1#![allow(rustdoc::private_intra_doc_links)]
2//! This is the place where everything editor-related is stored (data-wise) and displayed (ui-wise).
3//! The main point of interest in this crate is [`Editor`] type, which is used in every other Zed part as a user input element.
4//! It comes in different flavors: single line, multiline and a fixed height one.
5//!
6//! Editor contains of multiple large submodules:
7//! * [`element`] — the place where all rendering happens
8//! * [`display_map`] - chunks up text in the editor into the logical blocks, establishes coordinates and mapping between each of them.
9//! Contains all metadata related to text transformations (folds, fake inlay text insertions, soft wraps, tab markup, etc.).
10//! * [`inlay_hint_cache`] - is a storage of inlay hints out of LSP requests, responsible for querying LSP and updating `display_map`'s state accordingly.
11//!
12//! All other submodules and structs are mostly concerned with holding editor data about the way it displays current buffer region(s).
13//!
14//! If you're looking to improve Vim mode, you should check out Vim crate that wraps Editor and overrides its behavior.
15pub mod actions;
16mod blink_manager;
17mod clangd_ext;
18mod code_context_menus;
19pub mod commit_tooltip;
20pub mod display_map;
21mod editor_settings;
22mod editor_settings_controls;
23mod element;
24mod git;
25mod highlight_matching_bracket;
26mod hover_links;
27mod hover_popover;
28mod indent_guides;
29mod inlay_hint_cache;
30pub mod items;
31mod linked_editing_ranges;
32mod lsp_ext;
33mod mouse_context_menu;
34pub mod movement;
35mod persistence;
36mod proposed_changes_editor;
37mod rust_analyzer_ext;
38pub mod scroll;
39mod selections_collection;
40pub mod tasks;
41
42#[cfg(test)]
43mod editor_tests;
44#[cfg(test)]
45mod inline_completion_tests;
46mod signature_help;
47#[cfg(any(test, feature = "test-support"))]
48pub mod test;
49
50pub(crate) use actions::*;
51pub use actions::{AcceptEditPrediction, OpenExcerpts, OpenExcerptsSplit};
52use aho_corasick::AhoCorasick;
53use anyhow::{anyhow, Context as _, Result};
54use blink_manager::BlinkManager;
55use buffer_diff::DiffHunkSecondaryStatus;
56use client::{Collaborator, ParticipantIndex};
57use clock::ReplicaId;
58use collections::{BTreeMap, HashMap, HashSet, VecDeque};
59use convert_case::{Case, Casing};
60use display_map::*;
61pub use display_map::{DisplayPoint, FoldPlaceholder};
62pub use editor_settings::{
63 CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,
64};
65pub use editor_settings_controls::*;
66use element::{AcceptEditPredictionBinding, LineWithInvisibles, PositionMap};
67pub use element::{
68 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
69};
70use futures::{future, FutureExt};
71use fuzzy::StringMatchCandidate;
72
73use code_context_menus::{
74 AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
75 CompletionsMenu, ContextMenuOrigin,
76};
77use git::blame::GitBlame;
78use gpui::{
79 div, impl_actions, point, prelude::*, pulsating_between, px, relative, size, Action, Animation,
80 AnimationExt, AnyElement, App, AsyncWindowContext, AvailableSpace, Background, Bounds,
81 ClipboardEntry, ClipboardItem, Context, DispatchPhase, ElementId, Entity, EntityInputHandler,
82 EventEmitter, FocusHandle, FocusOutEvent, Focusable, FontId, FontWeight, Global,
83 HighlightStyle, Hsla, InteractiveText, KeyContext, Modifiers, MouseButton, MouseDownEvent,
84 PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled, StyledText, Subscription,
85 Task, TextStyle, TextStyleRefinement, UTF16Selection, UnderlineStyle, UniformListScrollHandle,
86 WeakEntity, WeakFocusHandle, Window,
87};
88use highlight_matching_bracket::refresh_matching_bracket_highlights;
89use hover_popover::{hide_hover, HoverState};
90use indent_guides::ActiveIndentGuidesState;
91use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
92pub use inline_completion::Direction;
93use inline_completion::{EditPredictionProvider, InlineCompletionProviderHandle};
94pub use items::MAX_TAB_TITLE_LEN;
95use itertools::Itertools;
96use language::{
97 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
98 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
99 CompletionDocumentation, CursorShape, Diagnostic, DiskState, EditPredictionsMode, EditPreview,
100 HighlightedText, IndentKind, IndentSize, Language, OffsetRangeExt, Point, Selection,
101 SelectionGoal, TextObject, TransactionId, TreeSitterOptions,
102};
103use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
104use linked_editing_ranges::refresh_linked_ranges;
105use mouse_context_menu::MouseContextMenu;
106pub use proposed_changes_editor::{
107 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
108};
109use similar::{ChangeTag, TextDiff};
110use std::iter::Peekable;
111use task::{ResolvedTask, TaskTemplate, TaskVariables};
112
113use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
114pub use lsp::CompletionContext;
115use lsp::{
116 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
117 LanguageServerId, LanguageServerName,
118};
119
120use language::BufferSnapshot;
121use movement::TextLayoutDetails;
122pub use multi_buffer::{
123 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
124 ToOffset, ToPoint,
125};
126use multi_buffer::{
127 ExcerptInfo, ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
128 ToOffsetUtf16,
129};
130use project::{
131 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
132 project_settings::{GitGutterSetting, ProjectSettings},
133 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
134 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
135};
136use rand::prelude::*;
137use rpc::{proto::*, ErrorExt};
138use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
139use selections_collection::{
140 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
141};
142use serde::{Deserialize, Serialize};
143use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
144use smallvec::SmallVec;
145use snippet::Snippet;
146use std::{
147 any::TypeId,
148 borrow::Cow,
149 cell::RefCell,
150 cmp::{self, Ordering, Reverse},
151 mem,
152 num::NonZeroU32,
153 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
154 path::{Path, PathBuf},
155 rc::Rc,
156 sync::Arc,
157 time::{Duration, Instant},
158};
159pub use sum_tree::Bias;
160use sum_tree::TreeMap;
161use text::{BufferId, OffsetUtf16, Rope};
162use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
163use ui::{
164 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize, Key,
165 Tooltip,
166};
167use util::{defer, maybe, post_inc, RangeExt, ResultExt, TakeUntilExt, TryFutureExt};
168use workspace::item::{ItemHandle, PreviewTabsSettings};
169use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
170use workspace::{
171 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
172};
173use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
174
175use crate::hover_links::{find_url, find_url_from_range};
176use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
177
178pub const FILE_HEADER_HEIGHT: u32 = 2;
179pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
180pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
181pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
182const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
183const MAX_LINE_LEN: usize = 1024;
184const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
185const MAX_SELECTION_HISTORY_LEN: usize = 1024;
186pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
187#[doc(hidden)]
188pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
189
190pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
191pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
192
193pub(crate) const EDIT_PREDICTION_KEY_CONTEXT: &str = "edit_prediction";
194pub(crate) const EDIT_PREDICTION_CONFLICT_KEY_CONTEXT: &str = "edit_prediction_conflict";
195
196pub fn render_parsed_markdown(
197 element_id: impl Into<ElementId>,
198 parsed: &language::ParsedMarkdown,
199 editor_style: &EditorStyle,
200 workspace: Option<WeakEntity<Workspace>>,
201 cx: &mut App,
202) -> InteractiveText {
203 let code_span_background_color = cx
204 .theme()
205 .colors()
206 .editor_document_highlight_read_background;
207
208 let highlights = gpui::combine_highlights(
209 parsed.highlights.iter().filter_map(|(range, highlight)| {
210 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
211 Some((range.clone(), highlight))
212 }),
213 parsed
214 .regions
215 .iter()
216 .zip(&parsed.region_ranges)
217 .filter_map(|(region, range)| {
218 if region.code {
219 Some((
220 range.clone(),
221 HighlightStyle {
222 background_color: Some(code_span_background_color),
223 ..Default::default()
224 },
225 ))
226 } else {
227 None
228 }
229 }),
230 );
231
232 let mut links = Vec::new();
233 let mut link_ranges = Vec::new();
234 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
235 if let Some(link) = region.link.clone() {
236 links.push(link);
237 link_ranges.push(range.clone());
238 }
239 }
240
241 InteractiveText::new(
242 element_id,
243 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
244 )
245 .on_click(
246 link_ranges,
247 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
248 markdown::Link::Web { url } => cx.open_url(url),
249 markdown::Link::Path { path } => {
250 if let Some(workspace) = &workspace {
251 _ = workspace.update(cx, |workspace, cx| {
252 workspace
253 .open_abs_path(path.clone(), false, window, cx)
254 .detach();
255 });
256 }
257 }
258 },
259 )
260}
261
262#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
263pub enum InlayId {
264 InlineCompletion(usize),
265 Hint(usize),
266}
267
268impl InlayId {
269 fn id(&self) -> usize {
270 match self {
271 Self::InlineCompletion(id) => *id,
272 Self::Hint(id) => *id,
273 }
274 }
275}
276
277enum DocumentHighlightRead {}
278enum DocumentHighlightWrite {}
279enum InputComposition {}
280
281#[derive(Debug, Copy, Clone, PartialEq, Eq)]
282pub enum Navigated {
283 Yes,
284 No,
285}
286
287impl Navigated {
288 pub fn from_bool(yes: bool) -> Navigated {
289 if yes {
290 Navigated::Yes
291 } else {
292 Navigated::No
293 }
294 }
295}
296
297pub fn init_settings(cx: &mut App) {
298 EditorSettings::register(cx);
299}
300
301pub fn init(cx: &mut App) {
302 init_settings(cx);
303
304 workspace::register_project_item::<Editor>(cx);
305 workspace::FollowableViewRegistry::register::<Editor>(cx);
306 workspace::register_serializable_item::<Editor>(cx);
307
308 cx.observe_new(
309 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
310 workspace.register_action(Editor::new_file);
311 workspace.register_action(Editor::new_file_vertical);
312 workspace.register_action(Editor::new_file_horizontal);
313 workspace.register_action(Editor::cancel_language_server_work);
314 },
315 )
316 .detach();
317
318 cx.on_action(move |_: &workspace::NewFile, cx| {
319 let app_state = workspace::AppState::global(cx);
320 if let Some(app_state) = app_state.upgrade() {
321 workspace::open_new(
322 Default::default(),
323 app_state,
324 cx,
325 |workspace, window, cx| {
326 Editor::new_file(workspace, &Default::default(), window, cx)
327 },
328 )
329 .detach();
330 }
331 });
332 cx.on_action(move |_: &workspace::NewWindow, cx| {
333 let app_state = workspace::AppState::global(cx);
334 if let Some(app_state) = app_state.upgrade() {
335 workspace::open_new(
336 Default::default(),
337 app_state,
338 cx,
339 |workspace, window, cx| {
340 cx.activate(true);
341 Editor::new_file(workspace, &Default::default(), window, cx)
342 },
343 )
344 .detach();
345 }
346 });
347}
348
349pub struct SearchWithinRange;
350
351trait InvalidationRegion {
352 fn ranges(&self) -> &[Range<Anchor>];
353}
354
355#[derive(Clone, Debug, PartialEq)]
356pub enum SelectPhase {
357 Begin {
358 position: DisplayPoint,
359 add: bool,
360 click_count: usize,
361 },
362 BeginColumnar {
363 position: DisplayPoint,
364 reset: bool,
365 goal_column: u32,
366 },
367 Extend {
368 position: DisplayPoint,
369 click_count: usize,
370 },
371 Update {
372 position: DisplayPoint,
373 goal_column: u32,
374 scroll_delta: gpui::Point<f32>,
375 },
376 End,
377}
378
379#[derive(Clone, Debug)]
380pub enum SelectMode {
381 Character,
382 Word(Range<Anchor>),
383 Line(Range<Anchor>),
384 All,
385}
386
387#[derive(Copy, Clone, PartialEq, Eq, Debug)]
388pub enum EditorMode {
389 SingleLine { auto_width: bool },
390 AutoHeight { max_lines: usize },
391 Full,
392}
393
394#[derive(Copy, Clone, Debug)]
395pub enum SoftWrap {
396 /// Prefer not to wrap at all.
397 ///
398 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
399 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
400 GitDiff,
401 /// Prefer a single line generally, unless an overly long line is encountered.
402 None,
403 /// Soft wrap lines that exceed the editor width.
404 EditorWidth,
405 /// Soft wrap lines at the preferred line length.
406 Column(u32),
407 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
408 Bounded(u32),
409}
410
411#[derive(Clone)]
412pub struct EditorStyle {
413 pub background: Hsla,
414 pub local_player: PlayerColor,
415 pub text: TextStyle,
416 pub scrollbar_width: Pixels,
417 pub syntax: Arc<SyntaxTheme>,
418 pub status: StatusColors,
419 pub inlay_hints_style: HighlightStyle,
420 pub inline_completion_styles: InlineCompletionStyles,
421 pub unnecessary_code_fade: f32,
422}
423
424impl Default for EditorStyle {
425 fn default() -> Self {
426 Self {
427 background: Hsla::default(),
428 local_player: PlayerColor::default(),
429 text: TextStyle::default(),
430 scrollbar_width: Pixels::default(),
431 syntax: Default::default(),
432 // HACK: Status colors don't have a real default.
433 // We should look into removing the status colors from the editor
434 // style and retrieve them directly from the theme.
435 status: StatusColors::dark(),
436 inlay_hints_style: HighlightStyle::default(),
437 inline_completion_styles: InlineCompletionStyles {
438 insertion: HighlightStyle::default(),
439 whitespace: HighlightStyle::default(),
440 },
441 unnecessary_code_fade: Default::default(),
442 }
443 }
444}
445
446pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
447 let show_background = language_settings::language_settings(None, None, cx)
448 .inlay_hints
449 .show_background;
450
451 HighlightStyle {
452 color: Some(cx.theme().status().hint),
453 background_color: show_background.then(|| cx.theme().status().hint_background),
454 ..HighlightStyle::default()
455 }
456}
457
458pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
459 InlineCompletionStyles {
460 insertion: HighlightStyle {
461 color: Some(cx.theme().status().predictive),
462 ..HighlightStyle::default()
463 },
464 whitespace: HighlightStyle {
465 background_color: Some(cx.theme().status().created_background),
466 ..HighlightStyle::default()
467 },
468 }
469}
470
471type CompletionId = usize;
472
473pub(crate) enum EditDisplayMode {
474 TabAccept,
475 DiffPopover,
476 Inline,
477}
478
479enum InlineCompletion {
480 Edit {
481 edits: Vec<(Range<Anchor>, String)>,
482 edit_preview: Option<EditPreview>,
483 display_mode: EditDisplayMode,
484 snapshot: BufferSnapshot,
485 },
486 Move {
487 target: Anchor,
488 snapshot: BufferSnapshot,
489 },
490}
491
492struct InlineCompletionState {
493 inlay_ids: Vec<InlayId>,
494 completion: InlineCompletion,
495 completion_id: Option<SharedString>,
496 invalidation_range: Range<Anchor>,
497}
498
499enum EditPredictionSettings {
500 Disabled,
501 Enabled {
502 show_in_menu: bool,
503 preview_requires_modifier: bool,
504 },
505}
506
507impl EditPredictionSettings {
508 pub fn is_enabled(&self) -> bool {
509 match self {
510 EditPredictionSettings::Disabled => false,
511 EditPredictionSettings::Enabled { .. } => true,
512 }
513 }
514}
515
516enum InlineCompletionHighlight {}
517
518pub enum MenuInlineCompletionsPolicy {
519 Never,
520 ByProvider,
521}
522
523pub enum EditPredictionPreview {
524 /// Modifier is not pressed
525 Inactive,
526 /// Modifier pressed
527 Active {
528 previous_scroll_position: Option<ScrollAnchor>,
529 },
530}
531
532#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
533struct EditorActionId(usize);
534
535impl EditorActionId {
536 pub fn post_inc(&mut self) -> Self {
537 let answer = self.0;
538
539 *self = Self(answer + 1);
540
541 Self(answer)
542 }
543}
544
545// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
546// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
547
548type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
549type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
550
551#[derive(Default)]
552struct ScrollbarMarkerState {
553 scrollbar_size: Size<Pixels>,
554 dirty: bool,
555 markers: Arc<[PaintQuad]>,
556 pending_refresh: Option<Task<Result<()>>>,
557}
558
559impl ScrollbarMarkerState {
560 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
561 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
562 }
563}
564
565#[derive(Clone, Debug)]
566struct RunnableTasks {
567 templates: Vec<(TaskSourceKind, TaskTemplate)>,
568 offset: MultiBufferOffset,
569 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
570 column: u32,
571 // Values of all named captures, including those starting with '_'
572 extra_variables: HashMap<String, String>,
573 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
574 context_range: Range<BufferOffset>,
575}
576
577impl RunnableTasks {
578 fn resolve<'a>(
579 &'a self,
580 cx: &'a task::TaskContext,
581 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
582 self.templates.iter().filter_map(|(kind, template)| {
583 template
584 .resolve_task(&kind.to_id_base(), cx)
585 .map(|task| (kind.clone(), task))
586 })
587 }
588}
589
590#[derive(Clone)]
591struct ResolvedTasks {
592 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
593 position: Anchor,
594}
595#[derive(Copy, Clone, Debug)]
596struct MultiBufferOffset(usize);
597#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
598struct BufferOffset(usize);
599
600// Addons allow storing per-editor state in other crates (e.g. Vim)
601pub trait Addon: 'static {
602 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
603
604 fn render_buffer_header_controls(
605 &self,
606 _: &ExcerptInfo,
607 _: &Window,
608 _: &App,
609 ) -> Option<AnyElement> {
610 None
611 }
612
613 fn to_any(&self) -> &dyn std::any::Any;
614}
615
616#[derive(Debug, Copy, Clone, PartialEq, Eq)]
617pub enum IsVimMode {
618 Yes,
619 No,
620}
621
622/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
623///
624/// See the [module level documentation](self) for more information.
625pub struct Editor {
626 focus_handle: FocusHandle,
627 last_focused_descendant: Option<WeakFocusHandle>,
628 /// The text buffer being edited
629 buffer: Entity<MultiBuffer>,
630 /// Map of how text in the buffer should be displayed.
631 /// Handles soft wraps, folds, fake inlay text insertions, etc.
632 pub display_map: Entity<DisplayMap>,
633 pub selections: SelectionsCollection,
634 pub scroll_manager: ScrollManager,
635 /// When inline assist editors are linked, they all render cursors because
636 /// typing enters text into each of them, even the ones that aren't focused.
637 pub(crate) show_cursor_when_unfocused: bool,
638 columnar_selection_tail: Option<Anchor>,
639 add_selections_state: Option<AddSelectionsState>,
640 select_next_state: Option<SelectNextState>,
641 select_prev_state: Option<SelectNextState>,
642 selection_history: SelectionHistory,
643 autoclose_regions: Vec<AutocloseRegion>,
644 snippet_stack: InvalidationStack<SnippetState>,
645 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
646 ime_transaction: Option<TransactionId>,
647 active_diagnostics: Option<ActiveDiagnosticGroup>,
648 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
649
650 // TODO: make this a access method
651 pub project: Option<Entity<Project>>,
652 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
653 completion_provider: Option<Box<dyn CompletionProvider>>,
654 collaboration_hub: Option<Box<dyn CollaborationHub>>,
655 blink_manager: Entity<BlinkManager>,
656 show_cursor_names: bool,
657 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
658 pub show_local_selections: bool,
659 mode: EditorMode,
660 show_breadcrumbs: bool,
661 show_gutter: bool,
662 show_scrollbars: bool,
663 show_line_numbers: Option<bool>,
664 use_relative_line_numbers: Option<bool>,
665 show_git_diff_gutter: Option<bool>,
666 show_code_actions: Option<bool>,
667 show_runnables: Option<bool>,
668 show_wrap_guides: Option<bool>,
669 show_indent_guides: Option<bool>,
670 placeholder_text: Option<Arc<str>>,
671 highlight_order: usize,
672 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
673 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
674 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
675 scrollbar_marker_state: ScrollbarMarkerState,
676 active_indent_guides_state: ActiveIndentGuidesState,
677 nav_history: Option<ItemNavHistory>,
678 context_menu: RefCell<Option<CodeContextMenu>>,
679 mouse_context_menu: Option<MouseContextMenu>,
680 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
681 signature_help_state: SignatureHelpState,
682 auto_signature_help: Option<bool>,
683 find_all_references_task_sources: Vec<Anchor>,
684 next_completion_id: CompletionId,
685 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
686 code_actions_task: Option<Task<Result<()>>>,
687 document_highlights_task: Option<Task<()>>,
688 linked_editing_range_task: Option<Task<Option<()>>>,
689 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
690 pending_rename: Option<RenameState>,
691 searchable: bool,
692 cursor_shape: CursorShape,
693 current_line_highlight: Option<CurrentLineHighlight>,
694 collapse_matches: bool,
695 autoindent_mode: Option<AutoindentMode>,
696 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
697 input_enabled: bool,
698 use_modal_editing: bool,
699 read_only: bool,
700 leader_peer_id: Option<PeerId>,
701 remote_id: Option<ViewId>,
702 hover_state: HoverState,
703 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
704 gutter_hovered: bool,
705 hovered_link_state: Option<HoveredLinkState>,
706 edit_prediction_provider: Option<RegisteredInlineCompletionProvider>,
707 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
708 active_inline_completion: Option<InlineCompletionState>,
709 /// Used to prevent flickering as the user types while the menu is open
710 stale_inline_completion_in_menu: Option<InlineCompletionState>,
711 edit_prediction_settings: EditPredictionSettings,
712 inline_completions_hidden_for_vim_mode: bool,
713 show_inline_completions_override: Option<bool>,
714 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
715 edit_prediction_preview: EditPredictionPreview,
716 edit_prediction_cursor_on_leading_whitespace: bool,
717 edit_prediction_requires_modifier_in_leading_space: bool,
718 inlay_hint_cache: InlayHintCache,
719 next_inlay_id: usize,
720 _subscriptions: Vec<Subscription>,
721 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
722 gutter_dimensions: GutterDimensions,
723 style: Option<EditorStyle>,
724 text_style_refinement: Option<TextStyleRefinement>,
725 next_editor_action_id: EditorActionId,
726 editor_actions:
727 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
728 use_autoclose: bool,
729 use_auto_surround: bool,
730 auto_replace_emoji_shortcode: bool,
731 show_git_blame_gutter: bool,
732 show_git_blame_inline: bool,
733 show_git_blame_inline_delay_task: Option<Task<()>>,
734 distinguish_unstaged_diff_hunks: bool,
735 git_blame_inline_enabled: bool,
736 serialize_dirty_buffers: bool,
737 show_selection_menu: Option<bool>,
738 blame: Option<Entity<GitBlame>>,
739 blame_subscription: Option<Subscription>,
740 custom_context_menu: Option<
741 Box<
742 dyn 'static
743 + Fn(
744 &mut Self,
745 DisplayPoint,
746 &mut Window,
747 &mut Context<Self>,
748 ) -> Option<Entity<ui::ContextMenu>>,
749 >,
750 >,
751 last_bounds: Option<Bounds<Pixels>>,
752 last_position_map: Option<Rc<PositionMap>>,
753 expect_bounds_change: Option<Bounds<Pixels>>,
754 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
755 tasks_update_task: Option<Task<()>>,
756 in_project_search: bool,
757 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
758 breadcrumb_header: Option<String>,
759 focused_block: Option<FocusedBlock>,
760 next_scroll_position: NextScrollCursorCenterTopBottom,
761 addons: HashMap<TypeId, Box<dyn Addon>>,
762 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
763 selection_mark_mode: bool,
764 toggle_fold_multiple_buffers: Task<()>,
765 _scroll_cursor_center_top_bottom_task: Task<()>,
766}
767
768#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
769enum NextScrollCursorCenterTopBottom {
770 #[default]
771 Center,
772 Top,
773 Bottom,
774}
775
776impl NextScrollCursorCenterTopBottom {
777 fn next(&self) -> Self {
778 match self {
779 Self::Center => Self::Top,
780 Self::Top => Self::Bottom,
781 Self::Bottom => Self::Center,
782 }
783 }
784}
785
786#[derive(Clone)]
787pub struct EditorSnapshot {
788 pub mode: EditorMode,
789 show_gutter: bool,
790 show_line_numbers: Option<bool>,
791 show_git_diff_gutter: Option<bool>,
792 show_code_actions: Option<bool>,
793 show_runnables: Option<bool>,
794 git_blame_gutter_max_author_length: Option<usize>,
795 pub display_snapshot: DisplaySnapshot,
796 pub placeholder_text: Option<Arc<str>>,
797 is_focused: bool,
798 scroll_anchor: ScrollAnchor,
799 ongoing_scroll: OngoingScroll,
800 current_line_highlight: CurrentLineHighlight,
801 gutter_hovered: bool,
802}
803
804const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
805
806#[derive(Default, Debug, Clone, Copy)]
807pub struct GutterDimensions {
808 pub left_padding: Pixels,
809 pub right_padding: Pixels,
810 pub width: Pixels,
811 pub margin: Pixels,
812 pub git_blame_entries_width: Option<Pixels>,
813}
814
815impl GutterDimensions {
816 /// The full width of the space taken up by the gutter.
817 pub fn full_width(&self) -> Pixels {
818 self.margin + self.width
819 }
820
821 /// The width of the space reserved for the fold indicators,
822 /// use alongside 'justify_end' and `gutter_width` to
823 /// right align content with the line numbers
824 pub fn fold_area_width(&self) -> Pixels {
825 self.margin + self.right_padding
826 }
827}
828
829#[derive(Debug)]
830pub struct RemoteSelection {
831 pub replica_id: ReplicaId,
832 pub selection: Selection<Anchor>,
833 pub cursor_shape: CursorShape,
834 pub peer_id: PeerId,
835 pub line_mode: bool,
836 pub participant_index: Option<ParticipantIndex>,
837 pub user_name: Option<SharedString>,
838}
839
840#[derive(Clone, Debug)]
841struct SelectionHistoryEntry {
842 selections: Arc<[Selection<Anchor>]>,
843 select_next_state: Option<SelectNextState>,
844 select_prev_state: Option<SelectNextState>,
845 add_selections_state: Option<AddSelectionsState>,
846}
847
848enum SelectionHistoryMode {
849 Normal,
850 Undoing,
851 Redoing,
852}
853
854#[derive(Clone, PartialEq, Eq, Hash)]
855struct HoveredCursor {
856 replica_id: u16,
857 selection_id: usize,
858}
859
860impl Default for SelectionHistoryMode {
861 fn default() -> Self {
862 Self::Normal
863 }
864}
865
866#[derive(Default)]
867struct SelectionHistory {
868 #[allow(clippy::type_complexity)]
869 selections_by_transaction:
870 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
871 mode: SelectionHistoryMode,
872 undo_stack: VecDeque<SelectionHistoryEntry>,
873 redo_stack: VecDeque<SelectionHistoryEntry>,
874}
875
876impl SelectionHistory {
877 fn insert_transaction(
878 &mut self,
879 transaction_id: TransactionId,
880 selections: Arc<[Selection<Anchor>]>,
881 ) {
882 self.selections_by_transaction
883 .insert(transaction_id, (selections, None));
884 }
885
886 #[allow(clippy::type_complexity)]
887 fn transaction(
888 &self,
889 transaction_id: TransactionId,
890 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
891 self.selections_by_transaction.get(&transaction_id)
892 }
893
894 #[allow(clippy::type_complexity)]
895 fn transaction_mut(
896 &mut self,
897 transaction_id: TransactionId,
898 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
899 self.selections_by_transaction.get_mut(&transaction_id)
900 }
901
902 fn push(&mut self, entry: SelectionHistoryEntry) {
903 if !entry.selections.is_empty() {
904 match self.mode {
905 SelectionHistoryMode::Normal => {
906 self.push_undo(entry);
907 self.redo_stack.clear();
908 }
909 SelectionHistoryMode::Undoing => self.push_redo(entry),
910 SelectionHistoryMode::Redoing => self.push_undo(entry),
911 }
912 }
913 }
914
915 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
916 if self
917 .undo_stack
918 .back()
919 .map_or(true, |e| e.selections != entry.selections)
920 {
921 self.undo_stack.push_back(entry);
922 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
923 self.undo_stack.pop_front();
924 }
925 }
926 }
927
928 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
929 if self
930 .redo_stack
931 .back()
932 .map_or(true, |e| e.selections != entry.selections)
933 {
934 self.redo_stack.push_back(entry);
935 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
936 self.redo_stack.pop_front();
937 }
938 }
939 }
940}
941
942struct RowHighlight {
943 index: usize,
944 range: Range<Anchor>,
945 color: Hsla,
946 should_autoscroll: bool,
947}
948
949#[derive(Clone, Debug)]
950struct AddSelectionsState {
951 above: bool,
952 stack: Vec<usize>,
953}
954
955#[derive(Clone)]
956struct SelectNextState {
957 query: AhoCorasick,
958 wordwise: bool,
959 done: bool,
960}
961
962impl std::fmt::Debug for SelectNextState {
963 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
964 f.debug_struct(std::any::type_name::<Self>())
965 .field("wordwise", &self.wordwise)
966 .field("done", &self.done)
967 .finish()
968 }
969}
970
971#[derive(Debug)]
972struct AutocloseRegion {
973 selection_id: usize,
974 range: Range<Anchor>,
975 pair: BracketPair,
976}
977
978#[derive(Debug)]
979struct SnippetState {
980 ranges: Vec<Vec<Range<Anchor>>>,
981 active_index: usize,
982 choices: Vec<Option<Vec<String>>>,
983}
984
985#[doc(hidden)]
986pub struct RenameState {
987 pub range: Range<Anchor>,
988 pub old_name: Arc<str>,
989 pub editor: Entity<Editor>,
990 block_id: CustomBlockId,
991}
992
993struct InvalidationStack<T>(Vec<T>);
994
995struct RegisteredInlineCompletionProvider {
996 provider: Arc<dyn InlineCompletionProviderHandle>,
997 _subscription: Subscription,
998}
999
1000#[derive(Debug)]
1001struct ActiveDiagnosticGroup {
1002 primary_range: Range<Anchor>,
1003 primary_message: String,
1004 group_id: usize,
1005 blocks: HashMap<CustomBlockId, Diagnostic>,
1006 is_valid: bool,
1007}
1008
1009#[derive(Serialize, Deserialize, Clone, Debug)]
1010pub struct ClipboardSelection {
1011 pub len: usize,
1012 pub is_entire_line: bool,
1013 pub first_line_indent: u32,
1014}
1015
1016#[derive(Debug)]
1017pub(crate) struct NavigationData {
1018 cursor_anchor: Anchor,
1019 cursor_position: Point,
1020 scroll_anchor: ScrollAnchor,
1021 scroll_top_row: u32,
1022}
1023
1024#[derive(Debug, Clone, Copy, PartialEq, Eq)]
1025pub enum GotoDefinitionKind {
1026 Symbol,
1027 Declaration,
1028 Type,
1029 Implementation,
1030}
1031
1032#[derive(Debug, Clone)]
1033enum InlayHintRefreshReason {
1034 Toggle(bool),
1035 SettingsChange(InlayHintSettings),
1036 NewLinesShown,
1037 BufferEdited(HashSet<Arc<Language>>),
1038 RefreshRequested,
1039 ExcerptsRemoved(Vec<ExcerptId>),
1040}
1041
1042impl InlayHintRefreshReason {
1043 fn description(&self) -> &'static str {
1044 match self {
1045 Self::Toggle(_) => "toggle",
1046 Self::SettingsChange(_) => "settings change",
1047 Self::NewLinesShown => "new lines shown",
1048 Self::BufferEdited(_) => "buffer edited",
1049 Self::RefreshRequested => "refresh requested",
1050 Self::ExcerptsRemoved(_) => "excerpts removed",
1051 }
1052 }
1053}
1054
1055pub enum FormatTarget {
1056 Buffers,
1057 Ranges(Vec<Range<MultiBufferPoint>>),
1058}
1059
1060pub(crate) struct FocusedBlock {
1061 id: BlockId,
1062 focus_handle: WeakFocusHandle,
1063}
1064
1065#[derive(Clone)]
1066enum JumpData {
1067 MultiBufferRow {
1068 row: MultiBufferRow,
1069 line_offset_from_top: u32,
1070 },
1071 MultiBufferPoint {
1072 excerpt_id: ExcerptId,
1073 position: Point,
1074 anchor: text::Anchor,
1075 line_offset_from_top: u32,
1076 },
1077}
1078
1079pub enum MultibufferSelectionMode {
1080 First,
1081 All,
1082}
1083
1084impl Editor {
1085 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1086 let buffer = cx.new(|cx| Buffer::local("", cx));
1087 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1088 Self::new(
1089 EditorMode::SingleLine { auto_width: false },
1090 buffer,
1091 None,
1092 false,
1093 window,
1094 cx,
1095 )
1096 }
1097
1098 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1099 let buffer = cx.new(|cx| Buffer::local("", cx));
1100 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1101 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1102 }
1103
1104 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1105 let buffer = cx.new(|cx| Buffer::local("", cx));
1106 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1107 Self::new(
1108 EditorMode::SingleLine { auto_width: true },
1109 buffer,
1110 None,
1111 false,
1112 window,
1113 cx,
1114 )
1115 }
1116
1117 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1118 let buffer = cx.new(|cx| Buffer::local("", cx));
1119 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1120 Self::new(
1121 EditorMode::AutoHeight { max_lines },
1122 buffer,
1123 None,
1124 false,
1125 window,
1126 cx,
1127 )
1128 }
1129
1130 pub fn for_buffer(
1131 buffer: Entity<Buffer>,
1132 project: Option<Entity<Project>>,
1133 window: &mut Window,
1134 cx: &mut Context<Self>,
1135 ) -> Self {
1136 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1137 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1138 }
1139
1140 pub fn for_multibuffer(
1141 buffer: Entity<MultiBuffer>,
1142 project: Option<Entity<Project>>,
1143 show_excerpt_controls: bool,
1144 window: &mut Window,
1145 cx: &mut Context<Self>,
1146 ) -> Self {
1147 Self::new(
1148 EditorMode::Full,
1149 buffer,
1150 project,
1151 show_excerpt_controls,
1152 window,
1153 cx,
1154 )
1155 }
1156
1157 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1158 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1159 let mut clone = Self::new(
1160 self.mode,
1161 self.buffer.clone(),
1162 self.project.clone(),
1163 show_excerpt_controls,
1164 window,
1165 cx,
1166 );
1167 self.display_map.update(cx, |display_map, cx| {
1168 let snapshot = display_map.snapshot(cx);
1169 clone.display_map.update(cx, |display_map, cx| {
1170 display_map.set_state(&snapshot, cx);
1171 });
1172 });
1173 clone.selections.clone_state(&self.selections);
1174 clone.scroll_manager.clone_state(&self.scroll_manager);
1175 clone.searchable = self.searchable;
1176 clone
1177 }
1178
1179 pub fn new(
1180 mode: EditorMode,
1181 buffer: Entity<MultiBuffer>,
1182 project: Option<Entity<Project>>,
1183 show_excerpt_controls: bool,
1184 window: &mut Window,
1185 cx: &mut Context<Self>,
1186 ) -> Self {
1187 let style = window.text_style();
1188 let font_size = style.font_size.to_pixels(window.rem_size());
1189 let editor = cx.entity().downgrade();
1190 let fold_placeholder = FoldPlaceholder {
1191 constrain_width: true,
1192 render: Arc::new(move |fold_id, fold_range, _, cx| {
1193 let editor = editor.clone();
1194 div()
1195 .id(fold_id)
1196 .bg(cx.theme().colors().ghost_element_background)
1197 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1198 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1199 .rounded_sm()
1200 .size_full()
1201 .cursor_pointer()
1202 .child("⋯")
1203 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1204 .on_click(move |_, _window, cx| {
1205 editor
1206 .update(cx, |editor, cx| {
1207 editor.unfold_ranges(
1208 &[fold_range.start..fold_range.end],
1209 true,
1210 false,
1211 cx,
1212 );
1213 cx.stop_propagation();
1214 })
1215 .ok();
1216 })
1217 .into_any()
1218 }),
1219 merge_adjacent: true,
1220 ..Default::default()
1221 };
1222 let display_map = cx.new(|cx| {
1223 DisplayMap::new(
1224 buffer.clone(),
1225 style.font(),
1226 font_size,
1227 None,
1228 show_excerpt_controls,
1229 FILE_HEADER_HEIGHT,
1230 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1231 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1232 fold_placeholder,
1233 cx,
1234 )
1235 });
1236
1237 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1238
1239 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1240
1241 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1242 .then(|| language_settings::SoftWrap::None);
1243
1244 let mut project_subscriptions = Vec::new();
1245 if mode == EditorMode::Full {
1246 if let Some(project) = project.as_ref() {
1247 if buffer.read(cx).is_singleton() {
1248 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1249 cx.emit(EditorEvent::TitleChanged);
1250 }));
1251 }
1252 project_subscriptions.push(cx.subscribe_in(
1253 project,
1254 window,
1255 |editor, _, event, window, cx| {
1256 if let project::Event::RefreshInlayHints = event {
1257 editor
1258 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1259 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1260 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1261 let focus_handle = editor.focus_handle(cx);
1262 if focus_handle.is_focused(window) {
1263 let snapshot = buffer.read(cx).snapshot();
1264 for (range, snippet) in snippet_edits {
1265 let editor_range =
1266 language::range_from_lsp(*range).to_offset(&snapshot);
1267 editor
1268 .insert_snippet(
1269 &[editor_range],
1270 snippet.clone(),
1271 window,
1272 cx,
1273 )
1274 .ok();
1275 }
1276 }
1277 }
1278 }
1279 },
1280 ));
1281 if let Some(task_inventory) = project
1282 .read(cx)
1283 .task_store()
1284 .read(cx)
1285 .task_inventory()
1286 .cloned()
1287 {
1288 project_subscriptions.push(cx.observe_in(
1289 &task_inventory,
1290 window,
1291 |editor, _, window, cx| {
1292 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1293 },
1294 ));
1295 }
1296 }
1297 }
1298
1299 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1300
1301 let inlay_hint_settings =
1302 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1303 let focus_handle = cx.focus_handle();
1304 cx.on_focus(&focus_handle, window, Self::handle_focus)
1305 .detach();
1306 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1307 .detach();
1308 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1309 .detach();
1310 cx.on_blur(&focus_handle, window, Self::handle_blur)
1311 .detach();
1312
1313 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1314 Some(false)
1315 } else {
1316 None
1317 };
1318
1319 let mut code_action_providers = Vec::new();
1320 if let Some(project) = project.clone() {
1321 get_uncommitted_diff_for_buffer(
1322 &project,
1323 buffer.read(cx).all_buffers(),
1324 buffer.clone(),
1325 cx,
1326 );
1327 code_action_providers.push(Rc::new(project) as Rc<_>);
1328 }
1329
1330 let mut this = Self {
1331 focus_handle,
1332 show_cursor_when_unfocused: false,
1333 last_focused_descendant: None,
1334 buffer: buffer.clone(),
1335 display_map: display_map.clone(),
1336 selections,
1337 scroll_manager: ScrollManager::new(cx),
1338 columnar_selection_tail: None,
1339 add_selections_state: None,
1340 select_next_state: None,
1341 select_prev_state: None,
1342 selection_history: Default::default(),
1343 autoclose_regions: Default::default(),
1344 snippet_stack: Default::default(),
1345 select_larger_syntax_node_stack: Vec::new(),
1346 ime_transaction: Default::default(),
1347 active_diagnostics: None,
1348 soft_wrap_mode_override,
1349 completion_provider: project.clone().map(|project| Box::new(project) as _),
1350 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1351 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1352 project,
1353 blink_manager: blink_manager.clone(),
1354 show_local_selections: true,
1355 show_scrollbars: true,
1356 mode,
1357 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1358 show_gutter: mode == EditorMode::Full,
1359 show_line_numbers: None,
1360 use_relative_line_numbers: None,
1361 show_git_diff_gutter: None,
1362 show_code_actions: None,
1363 show_runnables: None,
1364 show_wrap_guides: None,
1365 show_indent_guides,
1366 placeholder_text: None,
1367 highlight_order: 0,
1368 highlighted_rows: HashMap::default(),
1369 background_highlights: Default::default(),
1370 gutter_highlights: TreeMap::default(),
1371 scrollbar_marker_state: ScrollbarMarkerState::default(),
1372 active_indent_guides_state: ActiveIndentGuidesState::default(),
1373 nav_history: None,
1374 context_menu: RefCell::new(None),
1375 mouse_context_menu: None,
1376 completion_tasks: Default::default(),
1377 signature_help_state: SignatureHelpState::default(),
1378 auto_signature_help: None,
1379 find_all_references_task_sources: Vec::new(),
1380 next_completion_id: 0,
1381 next_inlay_id: 0,
1382 code_action_providers,
1383 available_code_actions: Default::default(),
1384 code_actions_task: Default::default(),
1385 document_highlights_task: Default::default(),
1386 linked_editing_range_task: Default::default(),
1387 pending_rename: Default::default(),
1388 searchable: true,
1389 cursor_shape: EditorSettings::get_global(cx)
1390 .cursor_shape
1391 .unwrap_or_default(),
1392 current_line_highlight: None,
1393 autoindent_mode: Some(AutoindentMode::EachLine),
1394 collapse_matches: false,
1395 workspace: None,
1396 input_enabled: true,
1397 use_modal_editing: mode == EditorMode::Full,
1398 read_only: false,
1399 use_autoclose: true,
1400 use_auto_surround: true,
1401 auto_replace_emoji_shortcode: false,
1402 leader_peer_id: None,
1403 remote_id: None,
1404 hover_state: Default::default(),
1405 pending_mouse_down: None,
1406 hovered_link_state: Default::default(),
1407 edit_prediction_provider: None,
1408 active_inline_completion: None,
1409 stale_inline_completion_in_menu: None,
1410 edit_prediction_preview: EditPredictionPreview::Inactive,
1411 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1412
1413 gutter_hovered: false,
1414 pixel_position_of_newest_cursor: None,
1415 last_bounds: None,
1416 last_position_map: None,
1417 expect_bounds_change: None,
1418 gutter_dimensions: GutterDimensions::default(),
1419 style: None,
1420 show_cursor_names: false,
1421 hovered_cursors: Default::default(),
1422 next_editor_action_id: EditorActionId::default(),
1423 editor_actions: Rc::default(),
1424 inline_completions_hidden_for_vim_mode: false,
1425 show_inline_completions_override: None,
1426 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1427 edit_prediction_settings: EditPredictionSettings::Disabled,
1428 edit_prediction_cursor_on_leading_whitespace: false,
1429 edit_prediction_requires_modifier_in_leading_space: true,
1430 custom_context_menu: None,
1431 show_git_blame_gutter: false,
1432 show_git_blame_inline: false,
1433 distinguish_unstaged_diff_hunks: false,
1434 show_selection_menu: None,
1435 show_git_blame_inline_delay_task: None,
1436 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1437 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1438 .session
1439 .restore_unsaved_buffers,
1440 blame: None,
1441 blame_subscription: None,
1442 tasks: Default::default(),
1443 _subscriptions: vec![
1444 cx.observe(&buffer, Self::on_buffer_changed),
1445 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1446 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1447 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1448 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1449 cx.observe_window_activation(window, |editor, window, cx| {
1450 let active = window.is_window_active();
1451 editor.blink_manager.update(cx, |blink_manager, cx| {
1452 if active {
1453 blink_manager.enable(cx);
1454 } else {
1455 blink_manager.disable(cx);
1456 }
1457 });
1458 }),
1459 ],
1460 tasks_update_task: None,
1461 linked_edit_ranges: Default::default(),
1462 in_project_search: false,
1463 previous_search_ranges: None,
1464 breadcrumb_header: None,
1465 focused_block: None,
1466 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1467 addons: HashMap::default(),
1468 registered_buffers: HashMap::default(),
1469 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1470 selection_mark_mode: false,
1471 toggle_fold_multiple_buffers: Task::ready(()),
1472 text_style_refinement: None,
1473 };
1474 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1475 this._subscriptions.extend(project_subscriptions);
1476
1477 this.end_selection(window, cx);
1478 this.scroll_manager.show_scrollbar(window, cx);
1479
1480 if mode == EditorMode::Full {
1481 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1482 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1483
1484 if this.git_blame_inline_enabled {
1485 this.git_blame_inline_enabled = true;
1486 this.start_git_blame_inline(false, window, cx);
1487 }
1488
1489 if let Some(buffer) = buffer.read(cx).as_singleton() {
1490 if let Some(project) = this.project.as_ref() {
1491 let lsp_store = project.read(cx).lsp_store();
1492 let handle = lsp_store.update(cx, |lsp_store, cx| {
1493 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1494 });
1495 this.registered_buffers
1496 .insert(buffer.read(cx).remote_id(), handle);
1497 }
1498 }
1499 }
1500
1501 this.report_editor_event("Editor Opened", None, cx);
1502 this
1503 }
1504
1505 pub fn mouse_menu_is_focused(&self, window: &Window, cx: &App) -> bool {
1506 self.mouse_context_menu
1507 .as_ref()
1508 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1509 }
1510
1511 fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
1512 self.key_context_internal(self.has_active_inline_completion(), window, cx)
1513 }
1514
1515 fn key_context_internal(
1516 &self,
1517 has_active_edit_prediction: bool,
1518 window: &Window,
1519 cx: &App,
1520 ) -> KeyContext {
1521 let mut key_context = KeyContext::new_with_defaults();
1522 key_context.add("Editor");
1523 let mode = match self.mode {
1524 EditorMode::SingleLine { .. } => "single_line",
1525 EditorMode::AutoHeight { .. } => "auto_height",
1526 EditorMode::Full => "full",
1527 };
1528
1529 if EditorSettings::jupyter_enabled(cx) {
1530 key_context.add("jupyter");
1531 }
1532
1533 key_context.set("mode", mode);
1534 if self.pending_rename.is_some() {
1535 key_context.add("renaming");
1536 }
1537
1538 match self.context_menu.borrow().as_ref() {
1539 Some(CodeContextMenu::Completions(_)) => {
1540 key_context.add("menu");
1541 key_context.add("showing_completions");
1542 }
1543 Some(CodeContextMenu::CodeActions(_)) => {
1544 key_context.add("menu");
1545 key_context.add("showing_code_actions")
1546 }
1547 None => {}
1548 }
1549
1550 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1551 if !self.focus_handle(cx).contains_focused(window, cx)
1552 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1553 {
1554 for addon in self.addons.values() {
1555 addon.extend_key_context(&mut key_context, cx)
1556 }
1557 }
1558
1559 if let Some(extension) = self
1560 .buffer
1561 .read(cx)
1562 .as_singleton()
1563 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1564 {
1565 key_context.set("extension", extension.to_string());
1566 }
1567
1568 if has_active_edit_prediction {
1569 if self.edit_prediction_in_conflict() {
1570 key_context.add(EDIT_PREDICTION_CONFLICT_KEY_CONTEXT);
1571 } else {
1572 key_context.add(EDIT_PREDICTION_KEY_CONTEXT);
1573 key_context.add("copilot_suggestion");
1574 }
1575 }
1576
1577 if self.selection_mark_mode {
1578 key_context.add("selection_mode");
1579 }
1580
1581 key_context
1582 }
1583
1584 pub fn edit_prediction_in_conflict(&self) -> bool {
1585 if !self.show_edit_predictions_in_menu() {
1586 return false;
1587 }
1588
1589 let showing_completions = self
1590 .context_menu
1591 .borrow()
1592 .as_ref()
1593 .map_or(false, |context| {
1594 matches!(context, CodeContextMenu::Completions(_))
1595 });
1596
1597 showing_completions
1598 || self.edit_prediction_requires_modifier()
1599 // Require modifier key when the cursor is on leading whitespace, to allow `tab`
1600 // bindings to insert tab characters.
1601 || (self.edit_prediction_requires_modifier_in_leading_space && self.edit_prediction_cursor_on_leading_whitespace)
1602 }
1603
1604 pub fn accept_edit_prediction_keybind(
1605 &self,
1606 window: &Window,
1607 cx: &App,
1608 ) -> AcceptEditPredictionBinding {
1609 let key_context = self.key_context_internal(true, window, cx);
1610 let in_conflict = self.edit_prediction_in_conflict();
1611
1612 AcceptEditPredictionBinding(
1613 window
1614 .bindings_for_action_in_context(&AcceptEditPrediction, key_context)
1615 .into_iter()
1616 .filter(|binding| {
1617 !in_conflict
1618 || binding
1619 .keystrokes()
1620 .first()
1621 .map_or(false, |keystroke| keystroke.modifiers.modified())
1622 })
1623 .rev()
1624 .min_by_key(|binding| {
1625 binding
1626 .keystrokes()
1627 .first()
1628 .map_or(u8::MAX, |k| k.modifiers.number_of_modifiers())
1629 }),
1630 )
1631 }
1632
1633 pub fn new_file(
1634 workspace: &mut Workspace,
1635 _: &workspace::NewFile,
1636 window: &mut Window,
1637 cx: &mut Context<Workspace>,
1638 ) {
1639 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1640 "Failed to create buffer",
1641 window,
1642 cx,
1643 |e, _, _| match e.error_code() {
1644 ErrorCode::RemoteUpgradeRequired => Some(format!(
1645 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1646 e.error_tag("required").unwrap_or("the latest version")
1647 )),
1648 _ => None,
1649 },
1650 );
1651 }
1652
1653 pub fn new_in_workspace(
1654 workspace: &mut Workspace,
1655 window: &mut Window,
1656 cx: &mut Context<Workspace>,
1657 ) -> Task<Result<Entity<Editor>>> {
1658 let project = workspace.project().clone();
1659 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1660
1661 cx.spawn_in(window, |workspace, mut cx| async move {
1662 let buffer = create.await?;
1663 workspace.update_in(&mut cx, |workspace, window, cx| {
1664 let editor =
1665 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1666 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1667 editor
1668 })
1669 })
1670 }
1671
1672 fn new_file_vertical(
1673 workspace: &mut Workspace,
1674 _: &workspace::NewFileSplitVertical,
1675 window: &mut Window,
1676 cx: &mut Context<Workspace>,
1677 ) {
1678 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1679 }
1680
1681 fn new_file_horizontal(
1682 workspace: &mut Workspace,
1683 _: &workspace::NewFileSplitHorizontal,
1684 window: &mut Window,
1685 cx: &mut Context<Workspace>,
1686 ) {
1687 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1688 }
1689
1690 fn new_file_in_direction(
1691 workspace: &mut Workspace,
1692 direction: SplitDirection,
1693 window: &mut Window,
1694 cx: &mut Context<Workspace>,
1695 ) {
1696 let project = workspace.project().clone();
1697 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1698
1699 cx.spawn_in(window, |workspace, mut cx| async move {
1700 let buffer = create.await?;
1701 workspace.update_in(&mut cx, move |workspace, window, cx| {
1702 workspace.split_item(
1703 direction,
1704 Box::new(
1705 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1706 ),
1707 window,
1708 cx,
1709 )
1710 })?;
1711 anyhow::Ok(())
1712 })
1713 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1714 match e.error_code() {
1715 ErrorCode::RemoteUpgradeRequired => Some(format!(
1716 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1717 e.error_tag("required").unwrap_or("the latest version")
1718 )),
1719 _ => None,
1720 }
1721 });
1722 }
1723
1724 pub fn leader_peer_id(&self) -> Option<PeerId> {
1725 self.leader_peer_id
1726 }
1727
1728 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1729 &self.buffer
1730 }
1731
1732 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1733 self.workspace.as_ref()?.0.upgrade()
1734 }
1735
1736 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1737 self.buffer().read(cx).title(cx)
1738 }
1739
1740 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1741 let git_blame_gutter_max_author_length = self
1742 .render_git_blame_gutter(cx)
1743 .then(|| {
1744 if let Some(blame) = self.blame.as_ref() {
1745 let max_author_length =
1746 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1747 Some(max_author_length)
1748 } else {
1749 None
1750 }
1751 })
1752 .flatten();
1753
1754 EditorSnapshot {
1755 mode: self.mode,
1756 show_gutter: self.show_gutter,
1757 show_line_numbers: self.show_line_numbers,
1758 show_git_diff_gutter: self.show_git_diff_gutter,
1759 show_code_actions: self.show_code_actions,
1760 show_runnables: self.show_runnables,
1761 git_blame_gutter_max_author_length,
1762 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1763 scroll_anchor: self.scroll_manager.anchor(),
1764 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1765 placeholder_text: self.placeholder_text.clone(),
1766 is_focused: self.focus_handle.is_focused(window),
1767 current_line_highlight: self
1768 .current_line_highlight
1769 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1770 gutter_hovered: self.gutter_hovered,
1771 }
1772 }
1773
1774 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1775 self.buffer.read(cx).language_at(point, cx)
1776 }
1777
1778 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1779 self.buffer.read(cx).read(cx).file_at(point).cloned()
1780 }
1781
1782 pub fn active_excerpt(
1783 &self,
1784 cx: &App,
1785 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1786 self.buffer
1787 .read(cx)
1788 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1789 }
1790
1791 pub fn mode(&self) -> EditorMode {
1792 self.mode
1793 }
1794
1795 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1796 self.collaboration_hub.as_deref()
1797 }
1798
1799 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1800 self.collaboration_hub = Some(hub);
1801 }
1802
1803 pub fn set_in_project_search(&mut self, in_project_search: bool) {
1804 self.in_project_search = in_project_search;
1805 }
1806
1807 pub fn set_custom_context_menu(
1808 &mut self,
1809 f: impl 'static
1810 + Fn(
1811 &mut Self,
1812 DisplayPoint,
1813 &mut Window,
1814 &mut Context<Self>,
1815 ) -> Option<Entity<ui::ContextMenu>>,
1816 ) {
1817 self.custom_context_menu = Some(Box::new(f))
1818 }
1819
1820 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1821 self.completion_provider = provider;
1822 }
1823
1824 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1825 self.semantics_provider.clone()
1826 }
1827
1828 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1829 self.semantics_provider = provider;
1830 }
1831
1832 pub fn set_edit_prediction_provider<T>(
1833 &mut self,
1834 provider: Option<Entity<T>>,
1835 window: &mut Window,
1836 cx: &mut Context<Self>,
1837 ) where
1838 T: EditPredictionProvider,
1839 {
1840 self.edit_prediction_provider =
1841 provider.map(|provider| RegisteredInlineCompletionProvider {
1842 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1843 if this.focus_handle.is_focused(window) {
1844 this.update_visible_inline_completion(window, cx);
1845 }
1846 }),
1847 provider: Arc::new(provider),
1848 });
1849 self.refresh_inline_completion(false, false, window, cx);
1850 }
1851
1852 pub fn placeholder_text(&self) -> Option<&str> {
1853 self.placeholder_text.as_deref()
1854 }
1855
1856 pub fn set_placeholder_text(
1857 &mut self,
1858 placeholder_text: impl Into<Arc<str>>,
1859 cx: &mut Context<Self>,
1860 ) {
1861 let placeholder_text = Some(placeholder_text.into());
1862 if self.placeholder_text != placeholder_text {
1863 self.placeholder_text = placeholder_text;
1864 cx.notify();
1865 }
1866 }
1867
1868 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1869 self.cursor_shape = cursor_shape;
1870
1871 // Disrupt blink for immediate user feedback that the cursor shape has changed
1872 self.blink_manager.update(cx, BlinkManager::show_cursor);
1873
1874 cx.notify();
1875 }
1876
1877 pub fn set_current_line_highlight(
1878 &mut self,
1879 current_line_highlight: Option<CurrentLineHighlight>,
1880 ) {
1881 self.current_line_highlight = current_line_highlight;
1882 }
1883
1884 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1885 self.collapse_matches = collapse_matches;
1886 }
1887
1888 fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1889 let buffers = self.buffer.read(cx).all_buffers();
1890 let Some(lsp_store) = self.lsp_store(cx) else {
1891 return;
1892 };
1893 lsp_store.update(cx, |lsp_store, cx| {
1894 for buffer in buffers {
1895 self.registered_buffers
1896 .entry(buffer.read(cx).remote_id())
1897 .or_insert_with(|| {
1898 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1899 });
1900 }
1901 })
1902 }
1903
1904 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1905 if self.collapse_matches {
1906 return range.start..range.start;
1907 }
1908 range.clone()
1909 }
1910
1911 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1912 if self.display_map.read(cx).clip_at_line_ends != clip {
1913 self.display_map
1914 .update(cx, |map, _| map.clip_at_line_ends = clip);
1915 }
1916 }
1917
1918 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1919 self.input_enabled = input_enabled;
1920 }
1921
1922 pub fn set_inline_completions_hidden_for_vim_mode(
1923 &mut self,
1924 hidden: bool,
1925 window: &mut Window,
1926 cx: &mut Context<Self>,
1927 ) {
1928 if hidden != self.inline_completions_hidden_for_vim_mode {
1929 self.inline_completions_hidden_for_vim_mode = hidden;
1930 if hidden {
1931 self.update_visible_inline_completion(window, cx);
1932 } else {
1933 self.refresh_inline_completion(true, false, window, cx);
1934 }
1935 }
1936 }
1937
1938 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1939 self.menu_inline_completions_policy = value;
1940 }
1941
1942 pub fn set_autoindent(&mut self, autoindent: bool) {
1943 if autoindent {
1944 self.autoindent_mode = Some(AutoindentMode::EachLine);
1945 } else {
1946 self.autoindent_mode = None;
1947 }
1948 }
1949
1950 pub fn read_only(&self, cx: &App) -> bool {
1951 self.read_only || self.buffer.read(cx).read_only()
1952 }
1953
1954 pub fn set_read_only(&mut self, read_only: bool) {
1955 self.read_only = read_only;
1956 }
1957
1958 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1959 self.use_autoclose = autoclose;
1960 }
1961
1962 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1963 self.use_auto_surround = auto_surround;
1964 }
1965
1966 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1967 self.auto_replace_emoji_shortcode = auto_replace;
1968 }
1969
1970 pub fn toggle_inline_completions(
1971 &mut self,
1972 _: &ToggleEditPrediction,
1973 window: &mut Window,
1974 cx: &mut Context<Self>,
1975 ) {
1976 if self.show_inline_completions_override.is_some() {
1977 self.set_show_edit_predictions(None, window, cx);
1978 } else {
1979 let show_edit_predictions = !self.edit_predictions_enabled();
1980 self.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
1981 }
1982 }
1983
1984 pub fn set_show_edit_predictions(
1985 &mut self,
1986 show_edit_predictions: Option<bool>,
1987 window: &mut Window,
1988 cx: &mut Context<Self>,
1989 ) {
1990 self.show_inline_completions_override = show_edit_predictions;
1991 self.refresh_inline_completion(false, true, window, cx);
1992 }
1993
1994 fn inline_completions_disabled_in_scope(
1995 &self,
1996 buffer: &Entity<Buffer>,
1997 buffer_position: language::Anchor,
1998 cx: &App,
1999 ) -> bool {
2000 let snapshot = buffer.read(cx).snapshot();
2001 let settings = snapshot.settings_at(buffer_position, cx);
2002
2003 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
2004 return false;
2005 };
2006
2007 scope.override_name().map_or(false, |scope_name| {
2008 settings
2009 .edit_predictions_disabled_in
2010 .iter()
2011 .any(|s| s == scope_name)
2012 })
2013 }
2014
2015 pub fn set_use_modal_editing(&mut self, to: bool) {
2016 self.use_modal_editing = to;
2017 }
2018
2019 pub fn use_modal_editing(&self) -> bool {
2020 self.use_modal_editing
2021 }
2022
2023 fn selections_did_change(
2024 &mut self,
2025 local: bool,
2026 old_cursor_position: &Anchor,
2027 show_completions: bool,
2028 window: &mut Window,
2029 cx: &mut Context<Self>,
2030 ) {
2031 window.invalidate_character_coordinates();
2032
2033 // Copy selections to primary selection buffer
2034 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
2035 if local {
2036 let selections = self.selections.all::<usize>(cx);
2037 let buffer_handle = self.buffer.read(cx).read(cx);
2038
2039 let mut text = String::new();
2040 for (index, selection) in selections.iter().enumerate() {
2041 let text_for_selection = buffer_handle
2042 .text_for_range(selection.start..selection.end)
2043 .collect::<String>();
2044
2045 text.push_str(&text_for_selection);
2046 if index != selections.len() - 1 {
2047 text.push('\n');
2048 }
2049 }
2050
2051 if !text.is_empty() {
2052 cx.write_to_primary(ClipboardItem::new_string(text));
2053 }
2054 }
2055
2056 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
2057 self.buffer.update(cx, |buffer, cx| {
2058 buffer.set_active_selections(
2059 &self.selections.disjoint_anchors(),
2060 self.selections.line_mode,
2061 self.cursor_shape,
2062 cx,
2063 )
2064 });
2065 }
2066 let display_map = self
2067 .display_map
2068 .update(cx, |display_map, cx| display_map.snapshot(cx));
2069 let buffer = &display_map.buffer_snapshot;
2070 self.add_selections_state = None;
2071 self.select_next_state = None;
2072 self.select_prev_state = None;
2073 self.select_larger_syntax_node_stack.clear();
2074 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2075 self.snippet_stack
2076 .invalidate(&self.selections.disjoint_anchors(), buffer);
2077 self.take_rename(false, window, cx);
2078
2079 let new_cursor_position = self.selections.newest_anchor().head();
2080
2081 self.push_to_nav_history(
2082 *old_cursor_position,
2083 Some(new_cursor_position.to_point(buffer)),
2084 cx,
2085 );
2086
2087 if local {
2088 let new_cursor_position = self.selections.newest_anchor().head();
2089 let mut context_menu = self.context_menu.borrow_mut();
2090 let completion_menu = match context_menu.as_ref() {
2091 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2092 _ => {
2093 *context_menu = None;
2094 None
2095 }
2096 };
2097 if let Some(buffer_id) = new_cursor_position.buffer_id {
2098 if !self.registered_buffers.contains_key(&buffer_id) {
2099 if let Some(lsp_store) = self.lsp_store(cx) {
2100 lsp_store.update(cx, |lsp_store, cx| {
2101 let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
2102 return;
2103 };
2104 self.registered_buffers.insert(
2105 buffer_id,
2106 lsp_store.register_buffer_with_language_servers(&buffer, cx),
2107 );
2108 })
2109 }
2110 }
2111 }
2112
2113 if let Some(completion_menu) = completion_menu {
2114 let cursor_position = new_cursor_position.to_offset(buffer);
2115 let (word_range, kind) =
2116 buffer.surrounding_word(completion_menu.initial_position, true);
2117 if kind == Some(CharKind::Word)
2118 && word_range.to_inclusive().contains(&cursor_position)
2119 {
2120 let mut completion_menu = completion_menu.clone();
2121 drop(context_menu);
2122
2123 let query = Self::completion_query(buffer, cursor_position);
2124 cx.spawn(move |this, mut cx| async move {
2125 completion_menu
2126 .filter(query.as_deref(), cx.background_executor().clone())
2127 .await;
2128
2129 this.update(&mut cx, |this, cx| {
2130 let mut context_menu = this.context_menu.borrow_mut();
2131 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2132 else {
2133 return;
2134 };
2135
2136 if menu.id > completion_menu.id {
2137 return;
2138 }
2139
2140 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2141 drop(context_menu);
2142 cx.notify();
2143 })
2144 })
2145 .detach();
2146
2147 if show_completions {
2148 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2149 }
2150 } else {
2151 drop(context_menu);
2152 self.hide_context_menu(window, cx);
2153 }
2154 } else {
2155 drop(context_menu);
2156 }
2157
2158 hide_hover(self, cx);
2159
2160 if old_cursor_position.to_display_point(&display_map).row()
2161 != new_cursor_position.to_display_point(&display_map).row()
2162 {
2163 self.available_code_actions.take();
2164 }
2165 self.refresh_code_actions(window, cx);
2166 self.refresh_document_highlights(cx);
2167 refresh_matching_bracket_highlights(self, window, cx);
2168 self.update_visible_inline_completion(window, cx);
2169 self.edit_prediction_requires_modifier_in_leading_space = true;
2170 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2171 if self.git_blame_inline_enabled {
2172 self.start_inline_blame_timer(window, cx);
2173 }
2174 }
2175
2176 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2177 cx.emit(EditorEvent::SelectionsChanged { local });
2178
2179 if self.selections.disjoint_anchors().len() == 1 {
2180 cx.emit(SearchEvent::ActiveMatchChanged)
2181 }
2182 cx.notify();
2183 }
2184
2185 pub fn change_selections<R>(
2186 &mut self,
2187 autoscroll: Option<Autoscroll>,
2188 window: &mut Window,
2189 cx: &mut Context<Self>,
2190 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2191 ) -> R {
2192 self.change_selections_inner(autoscroll, true, window, cx, change)
2193 }
2194
2195 pub fn change_selections_inner<R>(
2196 &mut self,
2197 autoscroll: Option<Autoscroll>,
2198 request_completions: bool,
2199 window: &mut Window,
2200 cx: &mut Context<Self>,
2201 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2202 ) -> R {
2203 let old_cursor_position = self.selections.newest_anchor().head();
2204 self.push_to_selection_history();
2205
2206 let (changed, result) = self.selections.change_with(cx, change);
2207
2208 if changed {
2209 if let Some(autoscroll) = autoscroll {
2210 self.request_autoscroll(autoscroll, cx);
2211 }
2212 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2213
2214 if self.should_open_signature_help_automatically(
2215 &old_cursor_position,
2216 self.signature_help_state.backspace_pressed(),
2217 cx,
2218 ) {
2219 self.show_signature_help(&ShowSignatureHelp, window, cx);
2220 }
2221 self.signature_help_state.set_backspace_pressed(false);
2222 }
2223
2224 result
2225 }
2226
2227 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2228 where
2229 I: IntoIterator<Item = (Range<S>, T)>,
2230 S: ToOffset,
2231 T: Into<Arc<str>>,
2232 {
2233 if self.read_only(cx) {
2234 return;
2235 }
2236
2237 self.buffer
2238 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2239 }
2240
2241 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2242 where
2243 I: IntoIterator<Item = (Range<S>, T)>,
2244 S: ToOffset,
2245 T: Into<Arc<str>>,
2246 {
2247 if self.read_only(cx) {
2248 return;
2249 }
2250
2251 self.buffer.update(cx, |buffer, cx| {
2252 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2253 });
2254 }
2255
2256 pub fn edit_with_block_indent<I, S, T>(
2257 &mut self,
2258 edits: I,
2259 original_indent_columns: Vec<u32>,
2260 cx: &mut Context<Self>,
2261 ) where
2262 I: IntoIterator<Item = (Range<S>, T)>,
2263 S: ToOffset,
2264 T: Into<Arc<str>>,
2265 {
2266 if self.read_only(cx) {
2267 return;
2268 }
2269
2270 self.buffer.update(cx, |buffer, cx| {
2271 buffer.edit(
2272 edits,
2273 Some(AutoindentMode::Block {
2274 original_indent_columns,
2275 }),
2276 cx,
2277 )
2278 });
2279 }
2280
2281 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2282 self.hide_context_menu(window, cx);
2283
2284 match phase {
2285 SelectPhase::Begin {
2286 position,
2287 add,
2288 click_count,
2289 } => self.begin_selection(position, add, click_count, window, cx),
2290 SelectPhase::BeginColumnar {
2291 position,
2292 goal_column,
2293 reset,
2294 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2295 SelectPhase::Extend {
2296 position,
2297 click_count,
2298 } => self.extend_selection(position, click_count, window, cx),
2299 SelectPhase::Update {
2300 position,
2301 goal_column,
2302 scroll_delta,
2303 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2304 SelectPhase::End => self.end_selection(window, cx),
2305 }
2306 }
2307
2308 fn extend_selection(
2309 &mut self,
2310 position: DisplayPoint,
2311 click_count: usize,
2312 window: &mut Window,
2313 cx: &mut Context<Self>,
2314 ) {
2315 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2316 let tail = self.selections.newest::<usize>(cx).tail();
2317 self.begin_selection(position, false, click_count, window, cx);
2318
2319 let position = position.to_offset(&display_map, Bias::Left);
2320 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2321
2322 let mut pending_selection = self
2323 .selections
2324 .pending_anchor()
2325 .expect("extend_selection not called with pending selection");
2326 if position >= tail {
2327 pending_selection.start = tail_anchor;
2328 } else {
2329 pending_selection.end = tail_anchor;
2330 pending_selection.reversed = true;
2331 }
2332
2333 let mut pending_mode = self.selections.pending_mode().unwrap();
2334 match &mut pending_mode {
2335 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2336 _ => {}
2337 }
2338
2339 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2340 s.set_pending(pending_selection, pending_mode)
2341 });
2342 }
2343
2344 fn begin_selection(
2345 &mut self,
2346 position: DisplayPoint,
2347 add: bool,
2348 click_count: usize,
2349 window: &mut Window,
2350 cx: &mut Context<Self>,
2351 ) {
2352 if !self.focus_handle.is_focused(window) {
2353 self.last_focused_descendant = None;
2354 window.focus(&self.focus_handle);
2355 }
2356
2357 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2358 let buffer = &display_map.buffer_snapshot;
2359 let newest_selection = self.selections.newest_anchor().clone();
2360 let position = display_map.clip_point(position, Bias::Left);
2361
2362 let start;
2363 let end;
2364 let mode;
2365 let mut auto_scroll;
2366 match click_count {
2367 1 => {
2368 start = buffer.anchor_before(position.to_point(&display_map));
2369 end = start;
2370 mode = SelectMode::Character;
2371 auto_scroll = true;
2372 }
2373 2 => {
2374 let range = movement::surrounding_word(&display_map, position);
2375 start = buffer.anchor_before(range.start.to_point(&display_map));
2376 end = buffer.anchor_before(range.end.to_point(&display_map));
2377 mode = SelectMode::Word(start..end);
2378 auto_scroll = true;
2379 }
2380 3 => {
2381 let position = display_map
2382 .clip_point(position, Bias::Left)
2383 .to_point(&display_map);
2384 let line_start = display_map.prev_line_boundary(position).0;
2385 let next_line_start = buffer.clip_point(
2386 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2387 Bias::Left,
2388 );
2389 start = buffer.anchor_before(line_start);
2390 end = buffer.anchor_before(next_line_start);
2391 mode = SelectMode::Line(start..end);
2392 auto_scroll = true;
2393 }
2394 _ => {
2395 start = buffer.anchor_before(0);
2396 end = buffer.anchor_before(buffer.len());
2397 mode = SelectMode::All;
2398 auto_scroll = false;
2399 }
2400 }
2401 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2402
2403 let point_to_delete: Option<usize> = {
2404 let selected_points: Vec<Selection<Point>> =
2405 self.selections.disjoint_in_range(start..end, cx);
2406
2407 if !add || click_count > 1 {
2408 None
2409 } else if !selected_points.is_empty() {
2410 Some(selected_points[0].id)
2411 } else {
2412 let clicked_point_already_selected =
2413 self.selections.disjoint.iter().find(|selection| {
2414 selection.start.to_point(buffer) == start.to_point(buffer)
2415 || selection.end.to_point(buffer) == end.to_point(buffer)
2416 });
2417
2418 clicked_point_already_selected.map(|selection| selection.id)
2419 }
2420 };
2421
2422 let selections_count = self.selections.count();
2423
2424 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2425 if let Some(point_to_delete) = point_to_delete {
2426 s.delete(point_to_delete);
2427
2428 if selections_count == 1 {
2429 s.set_pending_anchor_range(start..end, mode);
2430 }
2431 } else {
2432 if !add {
2433 s.clear_disjoint();
2434 } else if click_count > 1 {
2435 s.delete(newest_selection.id)
2436 }
2437
2438 s.set_pending_anchor_range(start..end, mode);
2439 }
2440 });
2441 }
2442
2443 fn begin_columnar_selection(
2444 &mut self,
2445 position: DisplayPoint,
2446 goal_column: u32,
2447 reset: bool,
2448 window: &mut Window,
2449 cx: &mut Context<Self>,
2450 ) {
2451 if !self.focus_handle.is_focused(window) {
2452 self.last_focused_descendant = None;
2453 window.focus(&self.focus_handle);
2454 }
2455
2456 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2457
2458 if reset {
2459 let pointer_position = display_map
2460 .buffer_snapshot
2461 .anchor_before(position.to_point(&display_map));
2462
2463 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2464 s.clear_disjoint();
2465 s.set_pending_anchor_range(
2466 pointer_position..pointer_position,
2467 SelectMode::Character,
2468 );
2469 });
2470 }
2471
2472 let tail = self.selections.newest::<Point>(cx).tail();
2473 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2474
2475 if !reset {
2476 self.select_columns(
2477 tail.to_display_point(&display_map),
2478 position,
2479 goal_column,
2480 &display_map,
2481 window,
2482 cx,
2483 );
2484 }
2485 }
2486
2487 fn update_selection(
2488 &mut self,
2489 position: DisplayPoint,
2490 goal_column: u32,
2491 scroll_delta: gpui::Point<f32>,
2492 window: &mut Window,
2493 cx: &mut Context<Self>,
2494 ) {
2495 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2496
2497 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2498 let tail = tail.to_display_point(&display_map);
2499 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2500 } else if let Some(mut pending) = self.selections.pending_anchor() {
2501 let buffer = self.buffer.read(cx).snapshot(cx);
2502 let head;
2503 let tail;
2504 let mode = self.selections.pending_mode().unwrap();
2505 match &mode {
2506 SelectMode::Character => {
2507 head = position.to_point(&display_map);
2508 tail = pending.tail().to_point(&buffer);
2509 }
2510 SelectMode::Word(original_range) => {
2511 let original_display_range = original_range.start.to_display_point(&display_map)
2512 ..original_range.end.to_display_point(&display_map);
2513 let original_buffer_range = original_display_range.start.to_point(&display_map)
2514 ..original_display_range.end.to_point(&display_map);
2515 if movement::is_inside_word(&display_map, position)
2516 || original_display_range.contains(&position)
2517 {
2518 let word_range = movement::surrounding_word(&display_map, position);
2519 if word_range.start < original_display_range.start {
2520 head = word_range.start.to_point(&display_map);
2521 } else {
2522 head = word_range.end.to_point(&display_map);
2523 }
2524 } else {
2525 head = position.to_point(&display_map);
2526 }
2527
2528 if head <= original_buffer_range.start {
2529 tail = original_buffer_range.end;
2530 } else {
2531 tail = original_buffer_range.start;
2532 }
2533 }
2534 SelectMode::Line(original_range) => {
2535 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2536
2537 let position = display_map
2538 .clip_point(position, Bias::Left)
2539 .to_point(&display_map);
2540 let line_start = display_map.prev_line_boundary(position).0;
2541 let next_line_start = buffer.clip_point(
2542 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2543 Bias::Left,
2544 );
2545
2546 if line_start < original_range.start {
2547 head = line_start
2548 } else {
2549 head = next_line_start
2550 }
2551
2552 if head <= original_range.start {
2553 tail = original_range.end;
2554 } else {
2555 tail = original_range.start;
2556 }
2557 }
2558 SelectMode::All => {
2559 return;
2560 }
2561 };
2562
2563 if head < tail {
2564 pending.start = buffer.anchor_before(head);
2565 pending.end = buffer.anchor_before(tail);
2566 pending.reversed = true;
2567 } else {
2568 pending.start = buffer.anchor_before(tail);
2569 pending.end = buffer.anchor_before(head);
2570 pending.reversed = false;
2571 }
2572
2573 self.change_selections(None, window, cx, |s| {
2574 s.set_pending(pending, mode);
2575 });
2576 } else {
2577 log::error!("update_selection dispatched with no pending selection");
2578 return;
2579 }
2580
2581 self.apply_scroll_delta(scroll_delta, window, cx);
2582 cx.notify();
2583 }
2584
2585 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2586 self.columnar_selection_tail.take();
2587 if self.selections.pending_anchor().is_some() {
2588 let selections = self.selections.all::<usize>(cx);
2589 self.change_selections(None, window, cx, |s| {
2590 s.select(selections);
2591 s.clear_pending();
2592 });
2593 }
2594 }
2595
2596 fn select_columns(
2597 &mut self,
2598 tail: DisplayPoint,
2599 head: DisplayPoint,
2600 goal_column: u32,
2601 display_map: &DisplaySnapshot,
2602 window: &mut Window,
2603 cx: &mut Context<Self>,
2604 ) {
2605 let start_row = cmp::min(tail.row(), head.row());
2606 let end_row = cmp::max(tail.row(), head.row());
2607 let start_column = cmp::min(tail.column(), goal_column);
2608 let end_column = cmp::max(tail.column(), goal_column);
2609 let reversed = start_column < tail.column();
2610
2611 let selection_ranges = (start_row.0..=end_row.0)
2612 .map(DisplayRow)
2613 .filter_map(|row| {
2614 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2615 let start = display_map
2616 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2617 .to_point(display_map);
2618 let end = display_map
2619 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2620 .to_point(display_map);
2621 if reversed {
2622 Some(end..start)
2623 } else {
2624 Some(start..end)
2625 }
2626 } else {
2627 None
2628 }
2629 })
2630 .collect::<Vec<_>>();
2631
2632 self.change_selections(None, window, cx, |s| {
2633 s.select_ranges(selection_ranges);
2634 });
2635 cx.notify();
2636 }
2637
2638 pub fn has_pending_nonempty_selection(&self) -> bool {
2639 let pending_nonempty_selection = match self.selections.pending_anchor() {
2640 Some(Selection { start, end, .. }) => start != end,
2641 None => false,
2642 };
2643
2644 pending_nonempty_selection
2645 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2646 }
2647
2648 pub fn has_pending_selection(&self) -> bool {
2649 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2650 }
2651
2652 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2653 self.selection_mark_mode = false;
2654
2655 if self.clear_expanded_diff_hunks(cx) {
2656 cx.notify();
2657 return;
2658 }
2659 if self.dismiss_menus_and_popups(true, window, cx) {
2660 return;
2661 }
2662
2663 if self.mode == EditorMode::Full
2664 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2665 {
2666 return;
2667 }
2668
2669 cx.propagate();
2670 }
2671
2672 pub fn dismiss_menus_and_popups(
2673 &mut self,
2674 is_user_requested: bool,
2675 window: &mut Window,
2676 cx: &mut Context<Self>,
2677 ) -> bool {
2678 if self.take_rename(false, window, cx).is_some() {
2679 return true;
2680 }
2681
2682 if hide_hover(self, cx) {
2683 return true;
2684 }
2685
2686 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2687 return true;
2688 }
2689
2690 if self.hide_context_menu(window, cx).is_some() {
2691 return true;
2692 }
2693
2694 if self.mouse_context_menu.take().is_some() {
2695 return true;
2696 }
2697
2698 if is_user_requested && self.discard_inline_completion(true, cx) {
2699 return true;
2700 }
2701
2702 if self.snippet_stack.pop().is_some() {
2703 return true;
2704 }
2705
2706 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2707 self.dismiss_diagnostics(cx);
2708 return true;
2709 }
2710
2711 false
2712 }
2713
2714 fn linked_editing_ranges_for(
2715 &self,
2716 selection: Range<text::Anchor>,
2717 cx: &App,
2718 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2719 if self.linked_edit_ranges.is_empty() {
2720 return None;
2721 }
2722 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2723 selection.end.buffer_id.and_then(|end_buffer_id| {
2724 if selection.start.buffer_id != Some(end_buffer_id) {
2725 return None;
2726 }
2727 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2728 let snapshot = buffer.read(cx).snapshot();
2729 self.linked_edit_ranges
2730 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2731 .map(|ranges| (ranges, snapshot, buffer))
2732 })?;
2733 use text::ToOffset as TO;
2734 // find offset from the start of current range to current cursor position
2735 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2736
2737 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2738 let start_difference = start_offset - start_byte_offset;
2739 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2740 let end_difference = end_offset - start_byte_offset;
2741 // Current range has associated linked ranges.
2742 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2743 for range in linked_ranges.iter() {
2744 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2745 let end_offset = start_offset + end_difference;
2746 let start_offset = start_offset + start_difference;
2747 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2748 continue;
2749 }
2750 if self.selections.disjoint_anchor_ranges().any(|s| {
2751 if s.start.buffer_id != selection.start.buffer_id
2752 || s.end.buffer_id != selection.end.buffer_id
2753 {
2754 return false;
2755 }
2756 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2757 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2758 }) {
2759 continue;
2760 }
2761 let start = buffer_snapshot.anchor_after(start_offset);
2762 let end = buffer_snapshot.anchor_after(end_offset);
2763 linked_edits
2764 .entry(buffer.clone())
2765 .or_default()
2766 .push(start..end);
2767 }
2768 Some(linked_edits)
2769 }
2770
2771 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2772 let text: Arc<str> = text.into();
2773
2774 if self.read_only(cx) {
2775 return;
2776 }
2777
2778 let selections = self.selections.all_adjusted(cx);
2779 let mut bracket_inserted = false;
2780 let mut edits = Vec::new();
2781 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2782 let mut new_selections = Vec::with_capacity(selections.len());
2783 let mut new_autoclose_regions = Vec::new();
2784 let snapshot = self.buffer.read(cx).read(cx);
2785
2786 for (selection, autoclose_region) in
2787 self.selections_with_autoclose_regions(selections, &snapshot)
2788 {
2789 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2790 // Determine if the inserted text matches the opening or closing
2791 // bracket of any of this language's bracket pairs.
2792 let mut bracket_pair = None;
2793 let mut is_bracket_pair_start = false;
2794 let mut is_bracket_pair_end = false;
2795 if !text.is_empty() {
2796 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2797 // and they are removing the character that triggered IME popup.
2798 for (pair, enabled) in scope.brackets() {
2799 if !pair.close && !pair.surround {
2800 continue;
2801 }
2802
2803 if enabled && pair.start.ends_with(text.as_ref()) {
2804 let prefix_len = pair.start.len() - text.len();
2805 let preceding_text_matches_prefix = prefix_len == 0
2806 || (selection.start.column >= (prefix_len as u32)
2807 && snapshot.contains_str_at(
2808 Point::new(
2809 selection.start.row,
2810 selection.start.column - (prefix_len as u32),
2811 ),
2812 &pair.start[..prefix_len],
2813 ));
2814 if preceding_text_matches_prefix {
2815 bracket_pair = Some(pair.clone());
2816 is_bracket_pair_start = true;
2817 break;
2818 }
2819 }
2820 if pair.end.as_str() == text.as_ref() {
2821 bracket_pair = Some(pair.clone());
2822 is_bracket_pair_end = true;
2823 break;
2824 }
2825 }
2826 }
2827
2828 if let Some(bracket_pair) = bracket_pair {
2829 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2830 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2831 let auto_surround =
2832 self.use_auto_surround && snapshot_settings.use_auto_surround;
2833 if selection.is_empty() {
2834 if is_bracket_pair_start {
2835 // If the inserted text is a suffix of an opening bracket and the
2836 // selection is preceded by the rest of the opening bracket, then
2837 // insert the closing bracket.
2838 let following_text_allows_autoclose = snapshot
2839 .chars_at(selection.start)
2840 .next()
2841 .map_or(true, |c| scope.should_autoclose_before(c));
2842
2843 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2844 && bracket_pair.start.len() == 1
2845 {
2846 let target = bracket_pair.start.chars().next().unwrap();
2847 let current_line_count = snapshot
2848 .reversed_chars_at(selection.start)
2849 .take_while(|&c| c != '\n')
2850 .filter(|&c| c == target)
2851 .count();
2852 current_line_count % 2 == 1
2853 } else {
2854 false
2855 };
2856
2857 if autoclose
2858 && bracket_pair.close
2859 && following_text_allows_autoclose
2860 && !is_closing_quote
2861 {
2862 let anchor = snapshot.anchor_before(selection.end);
2863 new_selections.push((selection.map(|_| anchor), text.len()));
2864 new_autoclose_regions.push((
2865 anchor,
2866 text.len(),
2867 selection.id,
2868 bracket_pair.clone(),
2869 ));
2870 edits.push((
2871 selection.range(),
2872 format!("{}{}", text, bracket_pair.end).into(),
2873 ));
2874 bracket_inserted = true;
2875 continue;
2876 }
2877 }
2878
2879 if let Some(region) = autoclose_region {
2880 // If the selection is followed by an auto-inserted closing bracket,
2881 // then don't insert that closing bracket again; just move the selection
2882 // past the closing bracket.
2883 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2884 && text.as_ref() == region.pair.end.as_str();
2885 if should_skip {
2886 let anchor = snapshot.anchor_after(selection.end);
2887 new_selections
2888 .push((selection.map(|_| anchor), region.pair.end.len()));
2889 continue;
2890 }
2891 }
2892
2893 let always_treat_brackets_as_autoclosed = snapshot
2894 .settings_at(selection.start, cx)
2895 .always_treat_brackets_as_autoclosed;
2896 if always_treat_brackets_as_autoclosed
2897 && is_bracket_pair_end
2898 && snapshot.contains_str_at(selection.end, text.as_ref())
2899 {
2900 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2901 // and the inserted text is a closing bracket and the selection is followed
2902 // by the closing bracket then move the selection past the closing bracket.
2903 let anchor = snapshot.anchor_after(selection.end);
2904 new_selections.push((selection.map(|_| anchor), text.len()));
2905 continue;
2906 }
2907 }
2908 // If an opening bracket is 1 character long and is typed while
2909 // text is selected, then surround that text with the bracket pair.
2910 else if auto_surround
2911 && bracket_pair.surround
2912 && is_bracket_pair_start
2913 && bracket_pair.start.chars().count() == 1
2914 {
2915 edits.push((selection.start..selection.start, text.clone()));
2916 edits.push((
2917 selection.end..selection.end,
2918 bracket_pair.end.as_str().into(),
2919 ));
2920 bracket_inserted = true;
2921 new_selections.push((
2922 Selection {
2923 id: selection.id,
2924 start: snapshot.anchor_after(selection.start),
2925 end: snapshot.anchor_before(selection.end),
2926 reversed: selection.reversed,
2927 goal: selection.goal,
2928 },
2929 0,
2930 ));
2931 continue;
2932 }
2933 }
2934 }
2935
2936 if self.auto_replace_emoji_shortcode
2937 && selection.is_empty()
2938 && text.as_ref().ends_with(':')
2939 {
2940 if let Some(possible_emoji_short_code) =
2941 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2942 {
2943 if !possible_emoji_short_code.is_empty() {
2944 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2945 let emoji_shortcode_start = Point::new(
2946 selection.start.row,
2947 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2948 );
2949
2950 // Remove shortcode from buffer
2951 edits.push((
2952 emoji_shortcode_start..selection.start,
2953 "".to_string().into(),
2954 ));
2955 new_selections.push((
2956 Selection {
2957 id: selection.id,
2958 start: snapshot.anchor_after(emoji_shortcode_start),
2959 end: snapshot.anchor_before(selection.start),
2960 reversed: selection.reversed,
2961 goal: selection.goal,
2962 },
2963 0,
2964 ));
2965
2966 // Insert emoji
2967 let selection_start_anchor = snapshot.anchor_after(selection.start);
2968 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2969 edits.push((selection.start..selection.end, emoji.to_string().into()));
2970
2971 continue;
2972 }
2973 }
2974 }
2975 }
2976
2977 // If not handling any auto-close operation, then just replace the selected
2978 // text with the given input and move the selection to the end of the
2979 // newly inserted text.
2980 let anchor = snapshot.anchor_after(selection.end);
2981 if !self.linked_edit_ranges.is_empty() {
2982 let start_anchor = snapshot.anchor_before(selection.start);
2983
2984 let is_word_char = text.chars().next().map_or(true, |char| {
2985 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2986 classifier.is_word(char)
2987 });
2988
2989 if is_word_char {
2990 if let Some(ranges) = self
2991 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2992 {
2993 for (buffer, edits) in ranges {
2994 linked_edits
2995 .entry(buffer.clone())
2996 .or_default()
2997 .extend(edits.into_iter().map(|range| (range, text.clone())));
2998 }
2999 }
3000 }
3001 }
3002
3003 new_selections.push((selection.map(|_| anchor), 0));
3004 edits.push((selection.start..selection.end, text.clone()));
3005 }
3006
3007 drop(snapshot);
3008
3009 self.transact(window, cx, |this, window, cx| {
3010 this.buffer.update(cx, |buffer, cx| {
3011 buffer.edit(edits, this.autoindent_mode.clone(), cx);
3012 });
3013 for (buffer, edits) in linked_edits {
3014 buffer.update(cx, |buffer, cx| {
3015 let snapshot = buffer.snapshot();
3016 let edits = edits
3017 .into_iter()
3018 .map(|(range, text)| {
3019 use text::ToPoint as TP;
3020 let end_point = TP::to_point(&range.end, &snapshot);
3021 let start_point = TP::to_point(&range.start, &snapshot);
3022 (start_point..end_point, text)
3023 })
3024 .sorted_by_key(|(range, _)| range.start)
3025 .collect::<Vec<_>>();
3026 buffer.edit(edits, None, cx);
3027 })
3028 }
3029 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
3030 let new_selection_deltas = new_selections.iter().map(|e| e.1);
3031 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
3032 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
3033 .zip(new_selection_deltas)
3034 .map(|(selection, delta)| Selection {
3035 id: selection.id,
3036 start: selection.start + delta,
3037 end: selection.end + delta,
3038 reversed: selection.reversed,
3039 goal: SelectionGoal::None,
3040 })
3041 .collect::<Vec<_>>();
3042
3043 let mut i = 0;
3044 for (position, delta, selection_id, pair) in new_autoclose_regions {
3045 let position = position.to_offset(&map.buffer_snapshot) + delta;
3046 let start = map.buffer_snapshot.anchor_before(position);
3047 let end = map.buffer_snapshot.anchor_after(position);
3048 while let Some(existing_state) = this.autoclose_regions.get(i) {
3049 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
3050 Ordering::Less => i += 1,
3051 Ordering::Greater => break,
3052 Ordering::Equal => {
3053 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
3054 Ordering::Less => i += 1,
3055 Ordering::Equal => break,
3056 Ordering::Greater => break,
3057 }
3058 }
3059 }
3060 }
3061 this.autoclose_regions.insert(
3062 i,
3063 AutocloseRegion {
3064 selection_id,
3065 range: start..end,
3066 pair,
3067 },
3068 );
3069 }
3070
3071 let had_active_inline_completion = this.has_active_inline_completion();
3072 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
3073 s.select(new_selections)
3074 });
3075
3076 if !bracket_inserted {
3077 if let Some(on_type_format_task) =
3078 this.trigger_on_type_formatting(text.to_string(), window, cx)
3079 {
3080 on_type_format_task.detach_and_log_err(cx);
3081 }
3082 }
3083
3084 let editor_settings = EditorSettings::get_global(cx);
3085 if bracket_inserted
3086 && (editor_settings.auto_signature_help
3087 || editor_settings.show_signature_help_after_edits)
3088 {
3089 this.show_signature_help(&ShowSignatureHelp, window, cx);
3090 }
3091
3092 let trigger_in_words =
3093 this.show_edit_predictions_in_menu() || !had_active_inline_completion;
3094 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3095 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3096 this.refresh_inline_completion(true, false, window, cx);
3097 });
3098 }
3099
3100 fn find_possible_emoji_shortcode_at_position(
3101 snapshot: &MultiBufferSnapshot,
3102 position: Point,
3103 ) -> Option<String> {
3104 let mut chars = Vec::new();
3105 let mut found_colon = false;
3106 for char in snapshot.reversed_chars_at(position).take(100) {
3107 // Found a possible emoji shortcode in the middle of the buffer
3108 if found_colon {
3109 if char.is_whitespace() {
3110 chars.reverse();
3111 return Some(chars.iter().collect());
3112 }
3113 // If the previous character is not a whitespace, we are in the middle of a word
3114 // and we only want to complete the shortcode if the word is made up of other emojis
3115 let mut containing_word = String::new();
3116 for ch in snapshot
3117 .reversed_chars_at(position)
3118 .skip(chars.len() + 1)
3119 .take(100)
3120 {
3121 if ch.is_whitespace() {
3122 break;
3123 }
3124 containing_word.push(ch);
3125 }
3126 let containing_word = containing_word.chars().rev().collect::<String>();
3127 if util::word_consists_of_emojis(containing_word.as_str()) {
3128 chars.reverse();
3129 return Some(chars.iter().collect());
3130 }
3131 }
3132
3133 if char.is_whitespace() || !char.is_ascii() {
3134 return None;
3135 }
3136 if char == ':' {
3137 found_colon = true;
3138 } else {
3139 chars.push(char);
3140 }
3141 }
3142 // Found a possible emoji shortcode at the beginning of the buffer
3143 chars.reverse();
3144 Some(chars.iter().collect())
3145 }
3146
3147 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3148 self.transact(window, cx, |this, window, cx| {
3149 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3150 let selections = this.selections.all::<usize>(cx);
3151 let multi_buffer = this.buffer.read(cx);
3152 let buffer = multi_buffer.snapshot(cx);
3153 selections
3154 .iter()
3155 .map(|selection| {
3156 let start_point = selection.start.to_point(&buffer);
3157 let mut indent =
3158 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3159 indent.len = cmp::min(indent.len, start_point.column);
3160 let start = selection.start;
3161 let end = selection.end;
3162 let selection_is_empty = start == end;
3163 let language_scope = buffer.language_scope_at(start);
3164 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3165 &language_scope
3166 {
3167 let leading_whitespace_len = buffer
3168 .reversed_chars_at(start)
3169 .take_while(|c| c.is_whitespace() && *c != '\n')
3170 .map(|c| c.len_utf8())
3171 .sum::<usize>();
3172
3173 let trailing_whitespace_len = buffer
3174 .chars_at(end)
3175 .take_while(|c| c.is_whitespace() && *c != '\n')
3176 .map(|c| c.len_utf8())
3177 .sum::<usize>();
3178
3179 let insert_extra_newline =
3180 language.brackets().any(|(pair, enabled)| {
3181 let pair_start = pair.start.trim_end();
3182 let pair_end = pair.end.trim_start();
3183
3184 enabled
3185 && pair.newline
3186 && buffer.contains_str_at(
3187 end + trailing_whitespace_len,
3188 pair_end,
3189 )
3190 && buffer.contains_str_at(
3191 (start - leading_whitespace_len)
3192 .saturating_sub(pair_start.len()),
3193 pair_start,
3194 )
3195 });
3196
3197 // Comment extension on newline is allowed only for cursor selections
3198 let comment_delimiter = maybe!({
3199 if !selection_is_empty {
3200 return None;
3201 }
3202
3203 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3204 return None;
3205 }
3206
3207 let delimiters = language.line_comment_prefixes();
3208 let max_len_of_delimiter =
3209 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3210 let (snapshot, range) =
3211 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3212
3213 let mut index_of_first_non_whitespace = 0;
3214 let comment_candidate = snapshot
3215 .chars_for_range(range)
3216 .skip_while(|c| {
3217 let should_skip = c.is_whitespace();
3218 if should_skip {
3219 index_of_first_non_whitespace += 1;
3220 }
3221 should_skip
3222 })
3223 .take(max_len_of_delimiter)
3224 .collect::<String>();
3225 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3226 comment_candidate.starts_with(comment_prefix.as_ref())
3227 })?;
3228 let cursor_is_placed_after_comment_marker =
3229 index_of_first_non_whitespace + comment_prefix.len()
3230 <= start_point.column as usize;
3231 if cursor_is_placed_after_comment_marker {
3232 Some(comment_prefix.clone())
3233 } else {
3234 None
3235 }
3236 });
3237 (comment_delimiter, insert_extra_newline)
3238 } else {
3239 (None, false)
3240 };
3241
3242 let capacity_for_delimiter = comment_delimiter
3243 .as_deref()
3244 .map(str::len)
3245 .unwrap_or_default();
3246 let mut new_text =
3247 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3248 new_text.push('\n');
3249 new_text.extend(indent.chars());
3250 if let Some(delimiter) = &comment_delimiter {
3251 new_text.push_str(delimiter);
3252 }
3253 if insert_extra_newline {
3254 new_text = new_text.repeat(2);
3255 }
3256
3257 let anchor = buffer.anchor_after(end);
3258 let new_selection = selection.map(|_| anchor);
3259 (
3260 (start..end, new_text),
3261 (insert_extra_newline, new_selection),
3262 )
3263 })
3264 .unzip()
3265 };
3266
3267 this.edit_with_autoindent(edits, cx);
3268 let buffer = this.buffer.read(cx).snapshot(cx);
3269 let new_selections = selection_fixup_info
3270 .into_iter()
3271 .map(|(extra_newline_inserted, new_selection)| {
3272 let mut cursor = new_selection.end.to_point(&buffer);
3273 if extra_newline_inserted {
3274 cursor.row -= 1;
3275 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3276 }
3277 new_selection.map(|_| cursor)
3278 })
3279 .collect();
3280
3281 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3282 s.select(new_selections)
3283 });
3284 this.refresh_inline_completion(true, false, window, cx);
3285 });
3286 }
3287
3288 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3289 let buffer = self.buffer.read(cx);
3290 let snapshot = buffer.snapshot(cx);
3291
3292 let mut edits = Vec::new();
3293 let mut rows = Vec::new();
3294
3295 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3296 let cursor = selection.head();
3297 let row = cursor.row;
3298
3299 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3300
3301 let newline = "\n".to_string();
3302 edits.push((start_of_line..start_of_line, newline));
3303
3304 rows.push(row + rows_inserted as u32);
3305 }
3306
3307 self.transact(window, cx, |editor, window, cx| {
3308 editor.edit(edits, cx);
3309
3310 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3311 let mut index = 0;
3312 s.move_cursors_with(|map, _, _| {
3313 let row = rows[index];
3314 index += 1;
3315
3316 let point = Point::new(row, 0);
3317 let boundary = map.next_line_boundary(point).1;
3318 let clipped = map.clip_point(boundary, Bias::Left);
3319
3320 (clipped, SelectionGoal::None)
3321 });
3322 });
3323
3324 let mut indent_edits = Vec::new();
3325 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3326 for row in rows {
3327 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3328 for (row, indent) in indents {
3329 if indent.len == 0 {
3330 continue;
3331 }
3332
3333 let text = match indent.kind {
3334 IndentKind::Space => " ".repeat(indent.len as usize),
3335 IndentKind::Tab => "\t".repeat(indent.len as usize),
3336 };
3337 let point = Point::new(row.0, 0);
3338 indent_edits.push((point..point, text));
3339 }
3340 }
3341 editor.edit(indent_edits, cx);
3342 });
3343 }
3344
3345 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3346 let buffer = self.buffer.read(cx);
3347 let snapshot = buffer.snapshot(cx);
3348
3349 let mut edits = Vec::new();
3350 let mut rows = Vec::new();
3351 let mut rows_inserted = 0;
3352
3353 for selection in self.selections.all_adjusted(cx) {
3354 let cursor = selection.head();
3355 let row = cursor.row;
3356
3357 let point = Point::new(row + 1, 0);
3358 let start_of_line = snapshot.clip_point(point, Bias::Left);
3359
3360 let newline = "\n".to_string();
3361 edits.push((start_of_line..start_of_line, newline));
3362
3363 rows_inserted += 1;
3364 rows.push(row + rows_inserted);
3365 }
3366
3367 self.transact(window, cx, |editor, window, cx| {
3368 editor.edit(edits, cx);
3369
3370 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3371 let mut index = 0;
3372 s.move_cursors_with(|map, _, _| {
3373 let row = rows[index];
3374 index += 1;
3375
3376 let point = Point::new(row, 0);
3377 let boundary = map.next_line_boundary(point).1;
3378 let clipped = map.clip_point(boundary, Bias::Left);
3379
3380 (clipped, SelectionGoal::None)
3381 });
3382 });
3383
3384 let mut indent_edits = Vec::new();
3385 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3386 for row in rows {
3387 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3388 for (row, indent) in indents {
3389 if indent.len == 0 {
3390 continue;
3391 }
3392
3393 let text = match indent.kind {
3394 IndentKind::Space => " ".repeat(indent.len as usize),
3395 IndentKind::Tab => "\t".repeat(indent.len as usize),
3396 };
3397 let point = Point::new(row.0, 0);
3398 indent_edits.push((point..point, text));
3399 }
3400 }
3401 editor.edit(indent_edits, cx);
3402 });
3403 }
3404
3405 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3406 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3407 original_indent_columns: Vec::new(),
3408 });
3409 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3410 }
3411
3412 fn insert_with_autoindent_mode(
3413 &mut self,
3414 text: &str,
3415 autoindent_mode: Option<AutoindentMode>,
3416 window: &mut Window,
3417 cx: &mut Context<Self>,
3418 ) {
3419 if self.read_only(cx) {
3420 return;
3421 }
3422
3423 let text: Arc<str> = text.into();
3424 self.transact(window, cx, |this, window, cx| {
3425 let old_selections = this.selections.all_adjusted(cx);
3426 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3427 let anchors = {
3428 let snapshot = buffer.read(cx);
3429 old_selections
3430 .iter()
3431 .map(|s| {
3432 let anchor = snapshot.anchor_after(s.head());
3433 s.map(|_| anchor)
3434 })
3435 .collect::<Vec<_>>()
3436 };
3437 buffer.edit(
3438 old_selections
3439 .iter()
3440 .map(|s| (s.start..s.end, text.clone())),
3441 autoindent_mode,
3442 cx,
3443 );
3444 anchors
3445 });
3446
3447 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3448 s.select_anchors(selection_anchors);
3449 });
3450
3451 cx.notify();
3452 });
3453 }
3454
3455 fn trigger_completion_on_input(
3456 &mut self,
3457 text: &str,
3458 trigger_in_words: bool,
3459 window: &mut Window,
3460 cx: &mut Context<Self>,
3461 ) {
3462 if self.is_completion_trigger(text, trigger_in_words, cx) {
3463 self.show_completions(
3464 &ShowCompletions {
3465 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3466 },
3467 window,
3468 cx,
3469 );
3470 } else {
3471 self.hide_context_menu(window, cx);
3472 }
3473 }
3474
3475 fn is_completion_trigger(
3476 &self,
3477 text: &str,
3478 trigger_in_words: bool,
3479 cx: &mut Context<Self>,
3480 ) -> bool {
3481 let position = self.selections.newest_anchor().head();
3482 let multibuffer = self.buffer.read(cx);
3483 let Some(buffer) = position
3484 .buffer_id
3485 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3486 else {
3487 return false;
3488 };
3489
3490 if let Some(completion_provider) = &self.completion_provider {
3491 completion_provider.is_completion_trigger(
3492 &buffer,
3493 position.text_anchor,
3494 text,
3495 trigger_in_words,
3496 cx,
3497 )
3498 } else {
3499 false
3500 }
3501 }
3502
3503 /// If any empty selections is touching the start of its innermost containing autoclose
3504 /// region, expand it to select the brackets.
3505 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3506 let selections = self.selections.all::<usize>(cx);
3507 let buffer = self.buffer.read(cx).read(cx);
3508 let new_selections = self
3509 .selections_with_autoclose_regions(selections, &buffer)
3510 .map(|(mut selection, region)| {
3511 if !selection.is_empty() {
3512 return selection;
3513 }
3514
3515 if let Some(region) = region {
3516 let mut range = region.range.to_offset(&buffer);
3517 if selection.start == range.start && range.start >= region.pair.start.len() {
3518 range.start -= region.pair.start.len();
3519 if buffer.contains_str_at(range.start, ®ion.pair.start)
3520 && buffer.contains_str_at(range.end, ®ion.pair.end)
3521 {
3522 range.end += region.pair.end.len();
3523 selection.start = range.start;
3524 selection.end = range.end;
3525
3526 return selection;
3527 }
3528 }
3529 }
3530
3531 let always_treat_brackets_as_autoclosed = buffer
3532 .settings_at(selection.start, cx)
3533 .always_treat_brackets_as_autoclosed;
3534
3535 if !always_treat_brackets_as_autoclosed {
3536 return selection;
3537 }
3538
3539 if let Some(scope) = buffer.language_scope_at(selection.start) {
3540 for (pair, enabled) in scope.brackets() {
3541 if !enabled || !pair.close {
3542 continue;
3543 }
3544
3545 if buffer.contains_str_at(selection.start, &pair.end) {
3546 let pair_start_len = pair.start.len();
3547 if buffer.contains_str_at(
3548 selection.start.saturating_sub(pair_start_len),
3549 &pair.start,
3550 ) {
3551 selection.start -= pair_start_len;
3552 selection.end += pair.end.len();
3553
3554 return selection;
3555 }
3556 }
3557 }
3558 }
3559
3560 selection
3561 })
3562 .collect();
3563
3564 drop(buffer);
3565 self.change_selections(None, window, cx, |selections| {
3566 selections.select(new_selections)
3567 });
3568 }
3569
3570 /// Iterate the given selections, and for each one, find the smallest surrounding
3571 /// autoclose region. This uses the ordering of the selections and the autoclose
3572 /// regions to avoid repeated comparisons.
3573 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3574 &'a self,
3575 selections: impl IntoIterator<Item = Selection<D>>,
3576 buffer: &'a MultiBufferSnapshot,
3577 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3578 let mut i = 0;
3579 let mut regions = self.autoclose_regions.as_slice();
3580 selections.into_iter().map(move |selection| {
3581 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3582
3583 let mut enclosing = None;
3584 while let Some(pair_state) = regions.get(i) {
3585 if pair_state.range.end.to_offset(buffer) < range.start {
3586 regions = ®ions[i + 1..];
3587 i = 0;
3588 } else if pair_state.range.start.to_offset(buffer) > range.end {
3589 break;
3590 } else {
3591 if pair_state.selection_id == selection.id {
3592 enclosing = Some(pair_state);
3593 }
3594 i += 1;
3595 }
3596 }
3597
3598 (selection, enclosing)
3599 })
3600 }
3601
3602 /// Remove any autoclose regions that no longer contain their selection.
3603 fn invalidate_autoclose_regions(
3604 &mut self,
3605 mut selections: &[Selection<Anchor>],
3606 buffer: &MultiBufferSnapshot,
3607 ) {
3608 self.autoclose_regions.retain(|state| {
3609 let mut i = 0;
3610 while let Some(selection) = selections.get(i) {
3611 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3612 selections = &selections[1..];
3613 continue;
3614 }
3615 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3616 break;
3617 }
3618 if selection.id == state.selection_id {
3619 return true;
3620 } else {
3621 i += 1;
3622 }
3623 }
3624 false
3625 });
3626 }
3627
3628 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3629 let offset = position.to_offset(buffer);
3630 let (word_range, kind) = buffer.surrounding_word(offset, true);
3631 if offset > word_range.start && kind == Some(CharKind::Word) {
3632 Some(
3633 buffer
3634 .text_for_range(word_range.start..offset)
3635 .collect::<String>(),
3636 )
3637 } else {
3638 None
3639 }
3640 }
3641
3642 pub fn toggle_inlay_hints(
3643 &mut self,
3644 _: &ToggleInlayHints,
3645 _: &mut Window,
3646 cx: &mut Context<Self>,
3647 ) {
3648 self.refresh_inlay_hints(
3649 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3650 cx,
3651 );
3652 }
3653
3654 pub fn inlay_hints_enabled(&self) -> bool {
3655 self.inlay_hint_cache.enabled
3656 }
3657
3658 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3659 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3660 return;
3661 }
3662
3663 let reason_description = reason.description();
3664 let ignore_debounce = matches!(
3665 reason,
3666 InlayHintRefreshReason::SettingsChange(_)
3667 | InlayHintRefreshReason::Toggle(_)
3668 | InlayHintRefreshReason::ExcerptsRemoved(_)
3669 );
3670 let (invalidate_cache, required_languages) = match reason {
3671 InlayHintRefreshReason::Toggle(enabled) => {
3672 self.inlay_hint_cache.enabled = enabled;
3673 if enabled {
3674 (InvalidationStrategy::RefreshRequested, None)
3675 } else {
3676 self.inlay_hint_cache.clear();
3677 self.splice_inlays(
3678 &self
3679 .visible_inlay_hints(cx)
3680 .iter()
3681 .map(|inlay| inlay.id)
3682 .collect::<Vec<InlayId>>(),
3683 Vec::new(),
3684 cx,
3685 );
3686 return;
3687 }
3688 }
3689 InlayHintRefreshReason::SettingsChange(new_settings) => {
3690 match self.inlay_hint_cache.update_settings(
3691 &self.buffer,
3692 new_settings,
3693 self.visible_inlay_hints(cx),
3694 cx,
3695 ) {
3696 ControlFlow::Break(Some(InlaySplice {
3697 to_remove,
3698 to_insert,
3699 })) => {
3700 self.splice_inlays(&to_remove, to_insert, cx);
3701 return;
3702 }
3703 ControlFlow::Break(None) => return,
3704 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3705 }
3706 }
3707 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3708 if let Some(InlaySplice {
3709 to_remove,
3710 to_insert,
3711 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3712 {
3713 self.splice_inlays(&to_remove, to_insert, cx);
3714 }
3715 return;
3716 }
3717 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3718 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3719 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3720 }
3721 InlayHintRefreshReason::RefreshRequested => {
3722 (InvalidationStrategy::RefreshRequested, None)
3723 }
3724 };
3725
3726 if let Some(InlaySplice {
3727 to_remove,
3728 to_insert,
3729 }) = self.inlay_hint_cache.spawn_hint_refresh(
3730 reason_description,
3731 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3732 invalidate_cache,
3733 ignore_debounce,
3734 cx,
3735 ) {
3736 self.splice_inlays(&to_remove, to_insert, cx);
3737 }
3738 }
3739
3740 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3741 self.display_map
3742 .read(cx)
3743 .current_inlays()
3744 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3745 .cloned()
3746 .collect()
3747 }
3748
3749 pub fn excerpts_for_inlay_hints_query(
3750 &self,
3751 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3752 cx: &mut Context<Editor>,
3753 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3754 let Some(project) = self.project.as_ref() else {
3755 return HashMap::default();
3756 };
3757 let project = project.read(cx);
3758 let multi_buffer = self.buffer().read(cx);
3759 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3760 let multi_buffer_visible_start = self
3761 .scroll_manager
3762 .anchor()
3763 .anchor
3764 .to_point(&multi_buffer_snapshot);
3765 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3766 multi_buffer_visible_start
3767 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3768 Bias::Left,
3769 );
3770 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3771 multi_buffer_snapshot
3772 .range_to_buffer_ranges(multi_buffer_visible_range)
3773 .into_iter()
3774 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3775 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3776 let buffer_file = project::File::from_dyn(buffer.file())?;
3777 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3778 let worktree_entry = buffer_worktree
3779 .read(cx)
3780 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3781 if worktree_entry.is_ignored {
3782 return None;
3783 }
3784
3785 let language = buffer.language()?;
3786 if let Some(restrict_to_languages) = restrict_to_languages {
3787 if !restrict_to_languages.contains(language) {
3788 return None;
3789 }
3790 }
3791 Some((
3792 excerpt_id,
3793 (
3794 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3795 buffer.version().clone(),
3796 excerpt_visible_range,
3797 ),
3798 ))
3799 })
3800 .collect()
3801 }
3802
3803 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3804 TextLayoutDetails {
3805 text_system: window.text_system().clone(),
3806 editor_style: self.style.clone().unwrap(),
3807 rem_size: window.rem_size(),
3808 scroll_anchor: self.scroll_manager.anchor(),
3809 visible_rows: self.visible_line_count(),
3810 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3811 }
3812 }
3813
3814 pub fn splice_inlays(
3815 &self,
3816 to_remove: &[InlayId],
3817 to_insert: Vec<Inlay>,
3818 cx: &mut Context<Self>,
3819 ) {
3820 self.display_map.update(cx, |display_map, cx| {
3821 display_map.splice_inlays(to_remove, to_insert, cx)
3822 });
3823 cx.notify();
3824 }
3825
3826 fn trigger_on_type_formatting(
3827 &self,
3828 input: String,
3829 window: &mut Window,
3830 cx: &mut Context<Self>,
3831 ) -> Option<Task<Result<()>>> {
3832 if input.len() != 1 {
3833 return None;
3834 }
3835
3836 let project = self.project.as_ref()?;
3837 let position = self.selections.newest_anchor().head();
3838 let (buffer, buffer_position) = self
3839 .buffer
3840 .read(cx)
3841 .text_anchor_for_position(position, cx)?;
3842
3843 let settings = language_settings::language_settings(
3844 buffer
3845 .read(cx)
3846 .language_at(buffer_position)
3847 .map(|l| l.name()),
3848 buffer.read(cx).file(),
3849 cx,
3850 );
3851 if !settings.use_on_type_format {
3852 return None;
3853 }
3854
3855 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3856 // hence we do LSP request & edit on host side only — add formats to host's history.
3857 let push_to_lsp_host_history = true;
3858 // If this is not the host, append its history with new edits.
3859 let push_to_client_history = project.read(cx).is_via_collab();
3860
3861 let on_type_formatting = project.update(cx, |project, cx| {
3862 project.on_type_format(
3863 buffer.clone(),
3864 buffer_position,
3865 input,
3866 push_to_lsp_host_history,
3867 cx,
3868 )
3869 });
3870 Some(cx.spawn_in(window, |editor, mut cx| async move {
3871 if let Some(transaction) = on_type_formatting.await? {
3872 if push_to_client_history {
3873 buffer
3874 .update(&mut cx, |buffer, _| {
3875 buffer.push_transaction(transaction, Instant::now());
3876 })
3877 .ok();
3878 }
3879 editor.update(&mut cx, |editor, cx| {
3880 editor.refresh_document_highlights(cx);
3881 })?;
3882 }
3883 Ok(())
3884 }))
3885 }
3886
3887 pub fn show_completions(
3888 &mut self,
3889 options: &ShowCompletions,
3890 window: &mut Window,
3891 cx: &mut Context<Self>,
3892 ) {
3893 if self.pending_rename.is_some() {
3894 return;
3895 }
3896
3897 let Some(provider) = self.completion_provider.as_ref() else {
3898 return;
3899 };
3900
3901 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3902 return;
3903 }
3904
3905 let position = self.selections.newest_anchor().head();
3906 if position.diff_base_anchor.is_some() {
3907 return;
3908 }
3909 let (buffer, buffer_position) =
3910 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3911 output
3912 } else {
3913 return;
3914 };
3915 let show_completion_documentation = buffer
3916 .read(cx)
3917 .snapshot()
3918 .settings_at(buffer_position, cx)
3919 .show_completion_documentation;
3920
3921 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3922
3923 let trigger_kind = match &options.trigger {
3924 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3925 CompletionTriggerKind::TRIGGER_CHARACTER
3926 }
3927 _ => CompletionTriggerKind::INVOKED,
3928 };
3929 let completion_context = CompletionContext {
3930 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3931 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3932 Some(String::from(trigger))
3933 } else {
3934 None
3935 }
3936 }),
3937 trigger_kind,
3938 };
3939 let completions =
3940 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3941 let sort_completions = provider.sort_completions();
3942
3943 let id = post_inc(&mut self.next_completion_id);
3944 let task = cx.spawn_in(window, |editor, mut cx| {
3945 async move {
3946 editor.update(&mut cx, |this, _| {
3947 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3948 })?;
3949 let completions = completions.await.log_err();
3950 let menu = if let Some(completions) = completions {
3951 let mut menu = CompletionsMenu::new(
3952 id,
3953 sort_completions,
3954 show_completion_documentation,
3955 position,
3956 buffer.clone(),
3957 completions.into(),
3958 );
3959
3960 menu.filter(query.as_deref(), cx.background_executor().clone())
3961 .await;
3962
3963 menu.visible().then_some(menu)
3964 } else {
3965 None
3966 };
3967
3968 editor.update_in(&mut cx, |editor, window, cx| {
3969 match editor.context_menu.borrow().as_ref() {
3970 None => {}
3971 Some(CodeContextMenu::Completions(prev_menu)) => {
3972 if prev_menu.id > id {
3973 return;
3974 }
3975 }
3976 _ => return,
3977 }
3978
3979 if editor.focus_handle.is_focused(window) && menu.is_some() {
3980 let mut menu = menu.unwrap();
3981 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3982
3983 *editor.context_menu.borrow_mut() =
3984 Some(CodeContextMenu::Completions(menu));
3985
3986 if editor.show_edit_predictions_in_menu() {
3987 editor.update_visible_inline_completion(window, cx);
3988 } else {
3989 editor.discard_inline_completion(false, cx);
3990 }
3991
3992 cx.notify();
3993 } else if editor.completion_tasks.len() <= 1 {
3994 // If there are no more completion tasks and the last menu was
3995 // empty, we should hide it.
3996 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3997 // If it was already hidden and we don't show inline
3998 // completions in the menu, we should also show the
3999 // inline-completion when available.
4000 if was_hidden && editor.show_edit_predictions_in_menu() {
4001 editor.update_visible_inline_completion(window, cx);
4002 }
4003 }
4004 })?;
4005
4006 Ok::<_, anyhow::Error>(())
4007 }
4008 .log_err()
4009 });
4010
4011 self.completion_tasks.push((id, task));
4012 }
4013
4014 pub fn confirm_completion(
4015 &mut self,
4016 action: &ConfirmCompletion,
4017 window: &mut Window,
4018 cx: &mut Context<Self>,
4019 ) -> Option<Task<Result<()>>> {
4020 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
4021 }
4022
4023 pub fn compose_completion(
4024 &mut self,
4025 action: &ComposeCompletion,
4026 window: &mut Window,
4027 cx: &mut Context<Self>,
4028 ) -> Option<Task<Result<()>>> {
4029 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
4030 }
4031
4032 fn do_completion(
4033 &mut self,
4034 item_ix: Option<usize>,
4035 intent: CompletionIntent,
4036 window: &mut Window,
4037 cx: &mut Context<Editor>,
4038 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
4039 use language::ToOffset as _;
4040
4041 let completions_menu =
4042 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4043 menu
4044 } else {
4045 return None;
4046 };
4047
4048 let entries = completions_menu.entries.borrow();
4049 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4050 if self.show_edit_predictions_in_menu() {
4051 self.discard_inline_completion(true, cx);
4052 }
4053 let candidate_id = mat.candidate_id;
4054 drop(entries);
4055
4056 let buffer_handle = completions_menu.buffer;
4057 let completion = completions_menu
4058 .completions
4059 .borrow()
4060 .get(candidate_id)?
4061 .clone();
4062 cx.stop_propagation();
4063
4064 let snippet;
4065 let text;
4066
4067 if completion.is_snippet() {
4068 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4069 text = snippet.as_ref().unwrap().text.clone();
4070 } else {
4071 snippet = None;
4072 text = completion.new_text.clone();
4073 };
4074 let selections = self.selections.all::<usize>(cx);
4075 let buffer = buffer_handle.read(cx);
4076 let old_range = completion.old_range.to_offset(buffer);
4077 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4078
4079 let newest_selection = self.selections.newest_anchor();
4080 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4081 return None;
4082 }
4083
4084 let lookbehind = newest_selection
4085 .start
4086 .text_anchor
4087 .to_offset(buffer)
4088 .saturating_sub(old_range.start);
4089 let lookahead = old_range
4090 .end
4091 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4092 let mut common_prefix_len = old_text
4093 .bytes()
4094 .zip(text.bytes())
4095 .take_while(|(a, b)| a == b)
4096 .count();
4097
4098 let snapshot = self.buffer.read(cx).snapshot(cx);
4099 let mut range_to_replace: Option<Range<isize>> = None;
4100 let mut ranges = Vec::new();
4101 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4102 for selection in &selections {
4103 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4104 let start = selection.start.saturating_sub(lookbehind);
4105 let end = selection.end + lookahead;
4106 if selection.id == newest_selection.id {
4107 range_to_replace = Some(
4108 ((start + common_prefix_len) as isize - selection.start as isize)
4109 ..(end as isize - selection.start as isize),
4110 );
4111 }
4112 ranges.push(start + common_prefix_len..end);
4113 } else {
4114 common_prefix_len = 0;
4115 ranges.clear();
4116 ranges.extend(selections.iter().map(|s| {
4117 if s.id == newest_selection.id {
4118 range_to_replace = Some(
4119 old_range.start.to_offset_utf16(&snapshot).0 as isize
4120 - selection.start as isize
4121 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4122 - selection.start as isize,
4123 );
4124 old_range.clone()
4125 } else {
4126 s.start..s.end
4127 }
4128 }));
4129 break;
4130 }
4131 if !self.linked_edit_ranges.is_empty() {
4132 let start_anchor = snapshot.anchor_before(selection.head());
4133 let end_anchor = snapshot.anchor_after(selection.tail());
4134 if let Some(ranges) = self
4135 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4136 {
4137 for (buffer, edits) in ranges {
4138 linked_edits.entry(buffer.clone()).or_default().extend(
4139 edits
4140 .into_iter()
4141 .map(|range| (range, text[common_prefix_len..].to_owned())),
4142 );
4143 }
4144 }
4145 }
4146 }
4147 let text = &text[common_prefix_len..];
4148
4149 cx.emit(EditorEvent::InputHandled {
4150 utf16_range_to_replace: range_to_replace,
4151 text: text.into(),
4152 });
4153
4154 self.transact(window, cx, |this, window, cx| {
4155 if let Some(mut snippet) = snippet {
4156 snippet.text = text.to_string();
4157 for tabstop in snippet
4158 .tabstops
4159 .iter_mut()
4160 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4161 {
4162 tabstop.start -= common_prefix_len as isize;
4163 tabstop.end -= common_prefix_len as isize;
4164 }
4165
4166 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4167 } else {
4168 this.buffer.update(cx, |buffer, cx| {
4169 buffer.edit(
4170 ranges.iter().map(|range| (range.clone(), text)),
4171 this.autoindent_mode.clone(),
4172 cx,
4173 );
4174 });
4175 }
4176 for (buffer, edits) in linked_edits {
4177 buffer.update(cx, |buffer, cx| {
4178 let snapshot = buffer.snapshot();
4179 let edits = edits
4180 .into_iter()
4181 .map(|(range, text)| {
4182 use text::ToPoint as TP;
4183 let end_point = TP::to_point(&range.end, &snapshot);
4184 let start_point = TP::to_point(&range.start, &snapshot);
4185 (start_point..end_point, text)
4186 })
4187 .sorted_by_key(|(range, _)| range.start)
4188 .collect::<Vec<_>>();
4189 buffer.edit(edits, None, cx);
4190 })
4191 }
4192
4193 this.refresh_inline_completion(true, false, window, cx);
4194 });
4195
4196 let show_new_completions_on_confirm = completion
4197 .confirm
4198 .as_ref()
4199 .map_or(false, |confirm| confirm(intent, window, cx));
4200 if show_new_completions_on_confirm {
4201 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4202 }
4203
4204 let provider = self.completion_provider.as_ref()?;
4205 drop(completion);
4206 let apply_edits = provider.apply_additional_edits_for_completion(
4207 buffer_handle,
4208 completions_menu.completions.clone(),
4209 candidate_id,
4210 true,
4211 cx,
4212 );
4213
4214 let editor_settings = EditorSettings::get_global(cx);
4215 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4216 // After the code completion is finished, users often want to know what signatures are needed.
4217 // so we should automatically call signature_help
4218 self.show_signature_help(&ShowSignatureHelp, window, cx);
4219 }
4220
4221 Some(cx.foreground_executor().spawn(async move {
4222 apply_edits.await?;
4223 Ok(())
4224 }))
4225 }
4226
4227 pub fn toggle_code_actions(
4228 &mut self,
4229 action: &ToggleCodeActions,
4230 window: &mut Window,
4231 cx: &mut Context<Self>,
4232 ) {
4233 let mut context_menu = self.context_menu.borrow_mut();
4234 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4235 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4236 // Toggle if we're selecting the same one
4237 *context_menu = None;
4238 cx.notify();
4239 return;
4240 } else {
4241 // Otherwise, clear it and start a new one
4242 *context_menu = None;
4243 cx.notify();
4244 }
4245 }
4246 drop(context_menu);
4247 let snapshot = self.snapshot(window, cx);
4248 let deployed_from_indicator = action.deployed_from_indicator;
4249 let mut task = self.code_actions_task.take();
4250 let action = action.clone();
4251 cx.spawn_in(window, |editor, mut cx| async move {
4252 while let Some(prev_task) = task {
4253 prev_task.await.log_err();
4254 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4255 }
4256
4257 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4258 if editor.focus_handle.is_focused(window) {
4259 let multibuffer_point = action
4260 .deployed_from_indicator
4261 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4262 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4263 let (buffer, buffer_row) = snapshot
4264 .buffer_snapshot
4265 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4266 .and_then(|(buffer_snapshot, range)| {
4267 editor
4268 .buffer
4269 .read(cx)
4270 .buffer(buffer_snapshot.remote_id())
4271 .map(|buffer| (buffer, range.start.row))
4272 })?;
4273 let (_, code_actions) = editor
4274 .available_code_actions
4275 .clone()
4276 .and_then(|(location, code_actions)| {
4277 let snapshot = location.buffer.read(cx).snapshot();
4278 let point_range = location.range.to_point(&snapshot);
4279 let point_range = point_range.start.row..=point_range.end.row;
4280 if point_range.contains(&buffer_row) {
4281 Some((location, code_actions))
4282 } else {
4283 None
4284 }
4285 })
4286 .unzip();
4287 let buffer_id = buffer.read(cx).remote_id();
4288 let tasks = editor
4289 .tasks
4290 .get(&(buffer_id, buffer_row))
4291 .map(|t| Arc::new(t.to_owned()));
4292 if tasks.is_none() && code_actions.is_none() {
4293 return None;
4294 }
4295
4296 editor.completion_tasks.clear();
4297 editor.discard_inline_completion(false, cx);
4298 let task_context =
4299 tasks
4300 .as_ref()
4301 .zip(editor.project.clone())
4302 .map(|(tasks, project)| {
4303 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4304 });
4305
4306 Some(cx.spawn_in(window, |editor, mut cx| async move {
4307 let task_context = match task_context {
4308 Some(task_context) => task_context.await,
4309 None => None,
4310 };
4311 let resolved_tasks =
4312 tasks.zip(task_context).map(|(tasks, task_context)| {
4313 Rc::new(ResolvedTasks {
4314 templates: tasks.resolve(&task_context).collect(),
4315 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4316 multibuffer_point.row,
4317 tasks.column,
4318 )),
4319 })
4320 });
4321 let spawn_straight_away = resolved_tasks
4322 .as_ref()
4323 .map_or(false, |tasks| tasks.templates.len() == 1)
4324 && code_actions
4325 .as_ref()
4326 .map_or(true, |actions| actions.is_empty());
4327 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4328 *editor.context_menu.borrow_mut() =
4329 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4330 buffer,
4331 actions: CodeActionContents {
4332 tasks: resolved_tasks,
4333 actions: code_actions,
4334 },
4335 selected_item: Default::default(),
4336 scroll_handle: UniformListScrollHandle::default(),
4337 deployed_from_indicator,
4338 }));
4339 if spawn_straight_away {
4340 if let Some(task) = editor.confirm_code_action(
4341 &ConfirmCodeAction { item_ix: Some(0) },
4342 window,
4343 cx,
4344 ) {
4345 cx.notify();
4346 return task;
4347 }
4348 }
4349 cx.notify();
4350 Task::ready(Ok(()))
4351 }) {
4352 task.await
4353 } else {
4354 Ok(())
4355 }
4356 }))
4357 } else {
4358 Some(Task::ready(Ok(())))
4359 }
4360 })?;
4361 if let Some(task) = spawned_test_task {
4362 task.await?;
4363 }
4364
4365 Ok::<_, anyhow::Error>(())
4366 })
4367 .detach_and_log_err(cx);
4368 }
4369
4370 pub fn confirm_code_action(
4371 &mut self,
4372 action: &ConfirmCodeAction,
4373 window: &mut Window,
4374 cx: &mut Context<Self>,
4375 ) -> Option<Task<Result<()>>> {
4376 let actions_menu =
4377 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4378 menu
4379 } else {
4380 return None;
4381 };
4382 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4383 let action = actions_menu.actions.get(action_ix)?;
4384 let title = action.label();
4385 let buffer = actions_menu.buffer;
4386 let workspace = self.workspace()?;
4387
4388 match action {
4389 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4390 workspace.update(cx, |workspace, cx| {
4391 workspace::tasks::schedule_resolved_task(
4392 workspace,
4393 task_source_kind,
4394 resolved_task,
4395 false,
4396 cx,
4397 );
4398
4399 Some(Task::ready(Ok(())))
4400 })
4401 }
4402 CodeActionsItem::CodeAction {
4403 excerpt_id,
4404 action,
4405 provider,
4406 } => {
4407 let apply_code_action =
4408 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4409 let workspace = workspace.downgrade();
4410 Some(cx.spawn_in(window, |editor, cx| async move {
4411 let project_transaction = apply_code_action.await?;
4412 Self::open_project_transaction(
4413 &editor,
4414 workspace,
4415 project_transaction,
4416 title,
4417 cx,
4418 )
4419 .await
4420 }))
4421 }
4422 }
4423 }
4424
4425 pub async fn open_project_transaction(
4426 this: &WeakEntity<Editor>,
4427 workspace: WeakEntity<Workspace>,
4428 transaction: ProjectTransaction,
4429 title: String,
4430 mut cx: AsyncWindowContext,
4431 ) -> Result<()> {
4432 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4433 cx.update(|_, cx| {
4434 entries.sort_unstable_by_key(|(buffer, _)| {
4435 buffer.read(cx).file().map(|f| f.path().clone())
4436 });
4437 })?;
4438
4439 // If the project transaction's edits are all contained within this editor, then
4440 // avoid opening a new editor to display them.
4441
4442 if let Some((buffer, transaction)) = entries.first() {
4443 if entries.len() == 1 {
4444 let excerpt = this.update(&mut cx, |editor, cx| {
4445 editor
4446 .buffer()
4447 .read(cx)
4448 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4449 })?;
4450 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4451 if excerpted_buffer == *buffer {
4452 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4453 let excerpt_range = excerpt_range.to_offset(buffer);
4454 buffer
4455 .edited_ranges_for_transaction::<usize>(transaction)
4456 .all(|range| {
4457 excerpt_range.start <= range.start
4458 && excerpt_range.end >= range.end
4459 })
4460 })?;
4461
4462 if all_edits_within_excerpt {
4463 return Ok(());
4464 }
4465 }
4466 }
4467 }
4468 } else {
4469 return Ok(());
4470 }
4471
4472 let mut ranges_to_highlight = Vec::new();
4473 let excerpt_buffer = cx.new(|cx| {
4474 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4475 for (buffer_handle, transaction) in &entries {
4476 let buffer = buffer_handle.read(cx);
4477 ranges_to_highlight.extend(
4478 multibuffer.push_excerpts_with_context_lines(
4479 buffer_handle.clone(),
4480 buffer
4481 .edited_ranges_for_transaction::<usize>(transaction)
4482 .collect(),
4483 DEFAULT_MULTIBUFFER_CONTEXT,
4484 cx,
4485 ),
4486 );
4487 }
4488 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4489 multibuffer
4490 })?;
4491
4492 workspace.update_in(&mut cx, |workspace, window, cx| {
4493 let project = workspace.project().clone();
4494 let editor = cx
4495 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4496 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4497 editor.update(cx, |editor, cx| {
4498 editor.highlight_background::<Self>(
4499 &ranges_to_highlight,
4500 |theme| theme.editor_highlighted_line_background,
4501 cx,
4502 );
4503 });
4504 })?;
4505
4506 Ok(())
4507 }
4508
4509 pub fn clear_code_action_providers(&mut self) {
4510 self.code_action_providers.clear();
4511 self.available_code_actions.take();
4512 }
4513
4514 pub fn add_code_action_provider(
4515 &mut self,
4516 provider: Rc<dyn CodeActionProvider>,
4517 window: &mut Window,
4518 cx: &mut Context<Self>,
4519 ) {
4520 if self
4521 .code_action_providers
4522 .iter()
4523 .any(|existing_provider| existing_provider.id() == provider.id())
4524 {
4525 return;
4526 }
4527
4528 self.code_action_providers.push(provider);
4529 self.refresh_code_actions(window, cx);
4530 }
4531
4532 pub fn remove_code_action_provider(
4533 &mut self,
4534 id: Arc<str>,
4535 window: &mut Window,
4536 cx: &mut Context<Self>,
4537 ) {
4538 self.code_action_providers
4539 .retain(|provider| provider.id() != id);
4540 self.refresh_code_actions(window, cx);
4541 }
4542
4543 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4544 let buffer = self.buffer.read(cx);
4545 let newest_selection = self.selections.newest_anchor().clone();
4546 if newest_selection.head().diff_base_anchor.is_some() {
4547 return None;
4548 }
4549 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4550 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4551 if start_buffer != end_buffer {
4552 return None;
4553 }
4554
4555 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4556 cx.background_executor()
4557 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4558 .await;
4559
4560 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4561 let providers = this.code_action_providers.clone();
4562 let tasks = this
4563 .code_action_providers
4564 .iter()
4565 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4566 .collect::<Vec<_>>();
4567 (providers, tasks)
4568 })?;
4569
4570 let mut actions = Vec::new();
4571 for (provider, provider_actions) in
4572 providers.into_iter().zip(future::join_all(tasks).await)
4573 {
4574 if let Some(provider_actions) = provider_actions.log_err() {
4575 actions.extend(provider_actions.into_iter().map(|action| {
4576 AvailableCodeAction {
4577 excerpt_id: newest_selection.start.excerpt_id,
4578 action,
4579 provider: provider.clone(),
4580 }
4581 }));
4582 }
4583 }
4584
4585 this.update(&mut cx, |this, cx| {
4586 this.available_code_actions = if actions.is_empty() {
4587 None
4588 } else {
4589 Some((
4590 Location {
4591 buffer: start_buffer,
4592 range: start..end,
4593 },
4594 actions.into(),
4595 ))
4596 };
4597 cx.notify();
4598 })
4599 }));
4600 None
4601 }
4602
4603 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4604 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4605 self.show_git_blame_inline = false;
4606
4607 self.show_git_blame_inline_delay_task =
4608 Some(cx.spawn_in(window, |this, mut cx| async move {
4609 cx.background_executor().timer(delay).await;
4610
4611 this.update(&mut cx, |this, cx| {
4612 this.show_git_blame_inline = true;
4613 cx.notify();
4614 })
4615 .log_err();
4616 }));
4617 }
4618 }
4619
4620 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4621 if self.pending_rename.is_some() {
4622 return None;
4623 }
4624
4625 let provider = self.semantics_provider.clone()?;
4626 let buffer = self.buffer.read(cx);
4627 let newest_selection = self.selections.newest_anchor().clone();
4628 let cursor_position = newest_selection.head();
4629 let (cursor_buffer, cursor_buffer_position) =
4630 buffer.text_anchor_for_position(cursor_position, cx)?;
4631 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4632 if cursor_buffer != tail_buffer {
4633 return None;
4634 }
4635 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4636 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4637 cx.background_executor()
4638 .timer(Duration::from_millis(debounce))
4639 .await;
4640
4641 let highlights = if let Some(highlights) = cx
4642 .update(|cx| {
4643 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4644 })
4645 .ok()
4646 .flatten()
4647 {
4648 highlights.await.log_err()
4649 } else {
4650 None
4651 };
4652
4653 if let Some(highlights) = highlights {
4654 this.update(&mut cx, |this, cx| {
4655 if this.pending_rename.is_some() {
4656 return;
4657 }
4658
4659 let buffer_id = cursor_position.buffer_id;
4660 let buffer = this.buffer.read(cx);
4661 if !buffer
4662 .text_anchor_for_position(cursor_position, cx)
4663 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4664 {
4665 return;
4666 }
4667
4668 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4669 let mut write_ranges = Vec::new();
4670 let mut read_ranges = Vec::new();
4671 for highlight in highlights {
4672 for (excerpt_id, excerpt_range) in
4673 buffer.excerpts_for_buffer(cursor_buffer.read(cx).remote_id(), cx)
4674 {
4675 let start = highlight
4676 .range
4677 .start
4678 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4679 let end = highlight
4680 .range
4681 .end
4682 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4683 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4684 continue;
4685 }
4686
4687 let range = Anchor {
4688 buffer_id,
4689 excerpt_id,
4690 text_anchor: start,
4691 diff_base_anchor: None,
4692 }..Anchor {
4693 buffer_id,
4694 excerpt_id,
4695 text_anchor: end,
4696 diff_base_anchor: None,
4697 };
4698 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4699 write_ranges.push(range);
4700 } else {
4701 read_ranges.push(range);
4702 }
4703 }
4704 }
4705
4706 this.highlight_background::<DocumentHighlightRead>(
4707 &read_ranges,
4708 |theme| theme.editor_document_highlight_read_background,
4709 cx,
4710 );
4711 this.highlight_background::<DocumentHighlightWrite>(
4712 &write_ranges,
4713 |theme| theme.editor_document_highlight_write_background,
4714 cx,
4715 );
4716 cx.notify();
4717 })
4718 .log_err();
4719 }
4720 }));
4721 None
4722 }
4723
4724 pub fn refresh_inline_completion(
4725 &mut self,
4726 debounce: bool,
4727 user_requested: bool,
4728 window: &mut Window,
4729 cx: &mut Context<Self>,
4730 ) -> Option<()> {
4731 let provider = self.edit_prediction_provider()?;
4732 let cursor = self.selections.newest_anchor().head();
4733 let (buffer, cursor_buffer_position) =
4734 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4735
4736 if !self.inline_completions_enabled_in_buffer(&buffer, cursor_buffer_position, cx) {
4737 self.discard_inline_completion(false, cx);
4738 return None;
4739 }
4740
4741 if !user_requested
4742 && (!self.should_show_edit_predictions()
4743 || !self.is_focused(window)
4744 || buffer.read(cx).is_empty())
4745 {
4746 self.discard_inline_completion(false, cx);
4747 return None;
4748 }
4749
4750 self.update_visible_inline_completion(window, cx);
4751 provider.refresh(
4752 self.project.clone(),
4753 buffer,
4754 cursor_buffer_position,
4755 debounce,
4756 cx,
4757 );
4758 Some(())
4759 }
4760
4761 fn show_edit_predictions_in_menu(&self) -> bool {
4762 match self.edit_prediction_settings {
4763 EditPredictionSettings::Disabled => false,
4764 EditPredictionSettings::Enabled { show_in_menu, .. } => show_in_menu,
4765 }
4766 }
4767
4768 pub fn edit_predictions_enabled(&self) -> bool {
4769 match self.edit_prediction_settings {
4770 EditPredictionSettings::Disabled => false,
4771 EditPredictionSettings::Enabled { .. } => true,
4772 }
4773 }
4774
4775 fn edit_prediction_requires_modifier(&self) -> bool {
4776 match self.edit_prediction_settings {
4777 EditPredictionSettings::Disabled => false,
4778 EditPredictionSettings::Enabled {
4779 preview_requires_modifier,
4780 ..
4781 } => preview_requires_modifier,
4782 }
4783 }
4784
4785 fn edit_prediction_settings_at_position(
4786 &self,
4787 buffer: &Entity<Buffer>,
4788 buffer_position: language::Anchor,
4789 cx: &App,
4790 ) -> EditPredictionSettings {
4791 if self.mode != EditorMode::Full
4792 || !self.show_inline_completions_override.unwrap_or(true)
4793 || self.inline_completions_disabled_in_scope(buffer, buffer_position, cx)
4794 {
4795 return EditPredictionSettings::Disabled;
4796 }
4797
4798 let buffer = buffer.read(cx);
4799
4800 let file = buffer.file();
4801
4802 if !language_settings(buffer.language().map(|l| l.name()), file, cx).show_edit_predictions {
4803 return EditPredictionSettings::Disabled;
4804 };
4805
4806 let by_provider = matches!(
4807 self.menu_inline_completions_policy,
4808 MenuInlineCompletionsPolicy::ByProvider
4809 );
4810
4811 let show_in_menu = by_provider
4812 && self
4813 .edit_prediction_provider
4814 .as_ref()
4815 .map_or(false, |provider| {
4816 provider.provider.show_completions_in_menu()
4817 });
4818
4819 let preview_requires_modifier =
4820 all_language_settings(file, cx).edit_predictions_mode() == EditPredictionsMode::Auto;
4821
4822 EditPredictionSettings::Enabled {
4823 show_in_menu,
4824 preview_requires_modifier,
4825 }
4826 }
4827
4828 fn should_show_edit_predictions(&self) -> bool {
4829 self.snippet_stack.is_empty() && self.edit_predictions_enabled()
4830 }
4831
4832 pub fn edit_prediction_preview_is_active(&self) -> bool {
4833 matches!(
4834 self.edit_prediction_preview,
4835 EditPredictionPreview::Active { .. }
4836 )
4837 }
4838
4839 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
4840 let cursor = self.selections.newest_anchor().head();
4841 if let Some((buffer, cursor_position)) =
4842 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
4843 {
4844 self.inline_completions_enabled_in_buffer(&buffer, cursor_position, cx)
4845 } else {
4846 false
4847 }
4848 }
4849
4850 fn inline_completions_enabled_in_buffer(
4851 &self,
4852 buffer: &Entity<Buffer>,
4853 buffer_position: language::Anchor,
4854 cx: &App,
4855 ) -> bool {
4856 maybe!({
4857 let provider = self.edit_prediction_provider()?;
4858 if !provider.is_enabled(&buffer, buffer_position, cx) {
4859 return Some(false);
4860 }
4861 let buffer = buffer.read(cx);
4862 let Some(file) = buffer.file() else {
4863 return Some(true);
4864 };
4865 let settings = all_language_settings(Some(file), cx);
4866 Some(settings.inline_completions_enabled_for_path(file.path()))
4867 })
4868 .unwrap_or(false)
4869 }
4870
4871 fn cycle_inline_completion(
4872 &mut self,
4873 direction: Direction,
4874 window: &mut Window,
4875 cx: &mut Context<Self>,
4876 ) -> Option<()> {
4877 let provider = self.edit_prediction_provider()?;
4878 let cursor = self.selections.newest_anchor().head();
4879 let (buffer, cursor_buffer_position) =
4880 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4881 if self.inline_completions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
4882 return None;
4883 }
4884
4885 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4886 self.update_visible_inline_completion(window, cx);
4887
4888 Some(())
4889 }
4890
4891 pub fn show_inline_completion(
4892 &mut self,
4893 _: &ShowEditPrediction,
4894 window: &mut Window,
4895 cx: &mut Context<Self>,
4896 ) {
4897 if !self.has_active_inline_completion() {
4898 self.refresh_inline_completion(false, true, window, cx);
4899 return;
4900 }
4901
4902 self.update_visible_inline_completion(window, cx);
4903 }
4904
4905 pub fn display_cursor_names(
4906 &mut self,
4907 _: &DisplayCursorNames,
4908 window: &mut Window,
4909 cx: &mut Context<Self>,
4910 ) {
4911 self.show_cursor_names(window, cx);
4912 }
4913
4914 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4915 self.show_cursor_names = true;
4916 cx.notify();
4917 cx.spawn_in(window, |this, mut cx| async move {
4918 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4919 this.update(&mut cx, |this, cx| {
4920 this.show_cursor_names = false;
4921 cx.notify()
4922 })
4923 .ok()
4924 })
4925 .detach();
4926 }
4927
4928 pub fn next_edit_prediction(
4929 &mut self,
4930 _: &NextEditPrediction,
4931 window: &mut Window,
4932 cx: &mut Context<Self>,
4933 ) {
4934 if self.has_active_inline_completion() {
4935 self.cycle_inline_completion(Direction::Next, window, cx);
4936 } else {
4937 let is_copilot_disabled = self
4938 .refresh_inline_completion(false, true, window, cx)
4939 .is_none();
4940 if is_copilot_disabled {
4941 cx.propagate();
4942 }
4943 }
4944 }
4945
4946 pub fn previous_edit_prediction(
4947 &mut self,
4948 _: &PreviousEditPrediction,
4949 window: &mut Window,
4950 cx: &mut Context<Self>,
4951 ) {
4952 if self.has_active_inline_completion() {
4953 self.cycle_inline_completion(Direction::Prev, window, cx);
4954 } else {
4955 let is_copilot_disabled = self
4956 .refresh_inline_completion(false, true, window, cx)
4957 .is_none();
4958 if is_copilot_disabled {
4959 cx.propagate();
4960 }
4961 }
4962 }
4963
4964 pub fn accept_edit_prediction(
4965 &mut self,
4966 _: &AcceptEditPrediction,
4967 window: &mut Window,
4968 cx: &mut Context<Self>,
4969 ) {
4970 if self.show_edit_predictions_in_menu() {
4971 self.hide_context_menu(window, cx);
4972 }
4973
4974 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4975 return;
4976 };
4977
4978 self.report_inline_completion_event(
4979 active_inline_completion.completion_id.clone(),
4980 true,
4981 cx,
4982 );
4983
4984 match &active_inline_completion.completion {
4985 InlineCompletion::Move { target, .. } => {
4986 let target = *target;
4987
4988 if let Some(position_map) = &self.last_position_map {
4989 if position_map
4990 .visible_row_range
4991 .contains(&target.to_display_point(&position_map.snapshot).row())
4992 || !self.edit_prediction_requires_modifier()
4993 {
4994 // Note that this is also done in vim's handler of the Tab action.
4995 self.change_selections(
4996 Some(Autoscroll::newest()),
4997 window,
4998 cx,
4999 |selections| {
5000 selections.select_anchor_ranges([target..target]);
5001 },
5002 );
5003 self.clear_row_highlights::<EditPredictionPreview>();
5004
5005 self.edit_prediction_preview = EditPredictionPreview::Active {
5006 previous_scroll_position: None,
5007 };
5008 } else {
5009 self.edit_prediction_preview = EditPredictionPreview::Active {
5010 previous_scroll_position: Some(position_map.snapshot.scroll_anchor),
5011 };
5012 self.highlight_rows::<EditPredictionPreview>(
5013 target..target,
5014 cx.theme().colors().editor_highlighted_line_background,
5015 true,
5016 cx,
5017 );
5018 self.request_autoscroll(Autoscroll::fit(), cx);
5019 }
5020 }
5021 }
5022 InlineCompletion::Edit { edits, .. } => {
5023 if let Some(provider) = self.edit_prediction_provider() {
5024 provider.accept(cx);
5025 }
5026
5027 let snapshot = self.buffer.read(cx).snapshot(cx);
5028 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
5029
5030 self.buffer.update(cx, |buffer, cx| {
5031 buffer.edit(edits.iter().cloned(), None, cx)
5032 });
5033
5034 self.change_selections(None, window, cx, |s| {
5035 s.select_anchor_ranges([last_edit_end..last_edit_end])
5036 });
5037
5038 self.update_visible_inline_completion(window, cx);
5039 if self.active_inline_completion.is_none() {
5040 self.refresh_inline_completion(true, true, window, cx);
5041 }
5042
5043 cx.notify();
5044 }
5045 }
5046
5047 self.edit_prediction_requires_modifier_in_leading_space = false;
5048 }
5049
5050 pub fn accept_partial_inline_completion(
5051 &mut self,
5052 _: &AcceptPartialEditPrediction,
5053 window: &mut Window,
5054 cx: &mut Context<Self>,
5055 ) {
5056 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
5057 return;
5058 };
5059 if self.selections.count() != 1 {
5060 return;
5061 }
5062
5063 self.report_inline_completion_event(
5064 active_inline_completion.completion_id.clone(),
5065 true,
5066 cx,
5067 );
5068
5069 match &active_inline_completion.completion {
5070 InlineCompletion::Move { target, .. } => {
5071 let target = *target;
5072 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
5073 selections.select_anchor_ranges([target..target]);
5074 });
5075 }
5076 InlineCompletion::Edit { edits, .. } => {
5077 // Find an insertion that starts at the cursor position.
5078 let snapshot = self.buffer.read(cx).snapshot(cx);
5079 let cursor_offset = self.selections.newest::<usize>(cx).head();
5080 let insertion = edits.iter().find_map(|(range, text)| {
5081 let range = range.to_offset(&snapshot);
5082 if range.is_empty() && range.start == cursor_offset {
5083 Some(text)
5084 } else {
5085 None
5086 }
5087 });
5088
5089 if let Some(text) = insertion {
5090 let mut partial_completion = text
5091 .chars()
5092 .by_ref()
5093 .take_while(|c| c.is_alphabetic())
5094 .collect::<String>();
5095 if partial_completion.is_empty() {
5096 partial_completion = text
5097 .chars()
5098 .by_ref()
5099 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
5100 .collect::<String>();
5101 }
5102
5103 cx.emit(EditorEvent::InputHandled {
5104 utf16_range_to_replace: None,
5105 text: partial_completion.clone().into(),
5106 });
5107
5108 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
5109
5110 self.refresh_inline_completion(true, true, window, cx);
5111 cx.notify();
5112 } else {
5113 self.accept_edit_prediction(&Default::default(), window, cx);
5114 }
5115 }
5116 }
5117 }
5118
5119 fn discard_inline_completion(
5120 &mut self,
5121 should_report_inline_completion_event: bool,
5122 cx: &mut Context<Self>,
5123 ) -> bool {
5124 if should_report_inline_completion_event {
5125 let completion_id = self
5126 .active_inline_completion
5127 .as_ref()
5128 .and_then(|active_completion| active_completion.completion_id.clone());
5129
5130 self.report_inline_completion_event(completion_id, false, cx);
5131 }
5132
5133 if let Some(provider) = self.edit_prediction_provider() {
5134 provider.discard(cx);
5135 }
5136
5137 self.take_active_inline_completion(cx)
5138 }
5139
5140 fn report_inline_completion_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
5141 let Some(provider) = self.edit_prediction_provider() else {
5142 return;
5143 };
5144
5145 let Some((_, buffer, _)) = self
5146 .buffer
5147 .read(cx)
5148 .excerpt_containing(self.selections.newest_anchor().head(), cx)
5149 else {
5150 return;
5151 };
5152
5153 let extension = buffer
5154 .read(cx)
5155 .file()
5156 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
5157
5158 let event_type = match accepted {
5159 true => "Edit Prediction Accepted",
5160 false => "Edit Prediction Discarded",
5161 };
5162 telemetry::event!(
5163 event_type,
5164 provider = provider.name(),
5165 prediction_id = id,
5166 suggestion_accepted = accepted,
5167 file_extension = extension,
5168 );
5169 }
5170
5171 pub fn has_active_inline_completion(&self) -> bool {
5172 self.active_inline_completion.is_some()
5173 }
5174
5175 fn take_active_inline_completion(&mut self, cx: &mut Context<Self>) -> bool {
5176 let Some(active_inline_completion) = self.active_inline_completion.take() else {
5177 return false;
5178 };
5179
5180 self.splice_inlays(&active_inline_completion.inlay_ids, Default::default(), cx);
5181 self.clear_highlights::<InlineCompletionHighlight>(cx);
5182 self.stale_inline_completion_in_menu = Some(active_inline_completion);
5183 true
5184 }
5185
5186 /// Returns true when we're displaying the edit prediction popover below the cursor
5187 /// like we are not previewing and the LSP autocomplete menu is visible
5188 /// or we are in `when_holding_modifier` mode.
5189 pub fn edit_prediction_visible_in_cursor_popover(&self, has_completion: bool) -> bool {
5190 if self.edit_prediction_preview_is_active()
5191 || !self.show_edit_predictions_in_menu()
5192 || !self.edit_predictions_enabled()
5193 {
5194 return false;
5195 }
5196
5197 if self.has_visible_completions_menu() {
5198 return true;
5199 }
5200
5201 has_completion && self.edit_prediction_requires_modifier()
5202 }
5203
5204 fn handle_modifiers_changed(
5205 &mut self,
5206 modifiers: Modifiers,
5207 position_map: &PositionMap,
5208 window: &mut Window,
5209 cx: &mut Context<Self>,
5210 ) {
5211 if self.show_edit_predictions_in_menu() {
5212 self.update_edit_prediction_preview(&modifiers, window, cx);
5213 }
5214
5215 let mouse_position = window.mouse_position();
5216 if !position_map.text_hitbox.is_hovered(window) {
5217 return;
5218 }
5219
5220 self.update_hovered_link(
5221 position_map.point_for_position(mouse_position),
5222 &position_map.snapshot,
5223 modifiers,
5224 window,
5225 cx,
5226 )
5227 }
5228
5229 fn update_edit_prediction_preview(
5230 &mut self,
5231 modifiers: &Modifiers,
5232 window: &mut Window,
5233 cx: &mut Context<Self>,
5234 ) {
5235 let accept_keybind = self.accept_edit_prediction_keybind(window, cx);
5236 let Some(accept_keystroke) = accept_keybind.keystroke() else {
5237 return;
5238 };
5239
5240 if &accept_keystroke.modifiers == modifiers && accept_keystroke.modifiers.modified() {
5241 if matches!(
5242 self.edit_prediction_preview,
5243 EditPredictionPreview::Inactive
5244 ) {
5245 self.edit_prediction_preview = EditPredictionPreview::Active {
5246 previous_scroll_position: None,
5247 };
5248
5249 self.update_visible_inline_completion(window, cx);
5250 cx.notify();
5251 }
5252 } else if let EditPredictionPreview::Active {
5253 previous_scroll_position,
5254 } = self.edit_prediction_preview
5255 {
5256 if let (Some(previous_scroll_position), Some(position_map)) =
5257 (previous_scroll_position, self.last_position_map.as_ref())
5258 {
5259 self.set_scroll_position(
5260 previous_scroll_position
5261 .scroll_position(&position_map.snapshot.display_snapshot),
5262 window,
5263 cx,
5264 );
5265 }
5266
5267 self.edit_prediction_preview = EditPredictionPreview::Inactive;
5268 self.clear_row_highlights::<EditPredictionPreview>();
5269 self.update_visible_inline_completion(window, cx);
5270 cx.notify();
5271 }
5272 }
5273
5274 fn update_visible_inline_completion(
5275 &mut self,
5276 _window: &mut Window,
5277 cx: &mut Context<Self>,
5278 ) -> Option<()> {
5279 let selection = self.selections.newest_anchor();
5280 let cursor = selection.head();
5281 let multibuffer = self.buffer.read(cx).snapshot(cx);
5282 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5283 let excerpt_id = cursor.excerpt_id;
5284
5285 let show_in_menu = self.show_edit_predictions_in_menu();
5286 let completions_menu_has_precedence = !show_in_menu
5287 && (self.context_menu.borrow().is_some()
5288 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5289
5290 if completions_menu_has_precedence
5291 || !offset_selection.is_empty()
5292 || self
5293 .active_inline_completion
5294 .as_ref()
5295 .map_or(false, |completion| {
5296 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5297 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5298 !invalidation_range.contains(&offset_selection.head())
5299 })
5300 {
5301 self.discard_inline_completion(false, cx);
5302 return None;
5303 }
5304
5305 self.take_active_inline_completion(cx);
5306 let Some(provider) = self.edit_prediction_provider() else {
5307 self.edit_prediction_settings = EditPredictionSettings::Disabled;
5308 return None;
5309 };
5310
5311 let (buffer, cursor_buffer_position) =
5312 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5313
5314 self.edit_prediction_settings =
5315 self.edit_prediction_settings_at_position(&buffer, cursor_buffer_position, cx);
5316
5317 if !self.edit_prediction_settings.is_enabled() {
5318 self.discard_inline_completion(false, cx);
5319 return None;
5320 }
5321
5322 self.edit_prediction_cursor_on_leading_whitespace =
5323 multibuffer.is_line_whitespace_upto(cursor);
5324
5325 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5326 let edits = inline_completion
5327 .edits
5328 .into_iter()
5329 .flat_map(|(range, new_text)| {
5330 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5331 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5332 Some((start..end, new_text))
5333 })
5334 .collect::<Vec<_>>();
5335 if edits.is_empty() {
5336 return None;
5337 }
5338
5339 let first_edit_start = edits.first().unwrap().0.start;
5340 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5341 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5342
5343 let last_edit_end = edits.last().unwrap().0.end;
5344 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5345 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5346
5347 let cursor_row = cursor.to_point(&multibuffer).row;
5348
5349 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5350
5351 let mut inlay_ids = Vec::new();
5352 let invalidation_row_range;
5353 let move_invalidation_row_range = if cursor_row < edit_start_row {
5354 Some(cursor_row..edit_end_row)
5355 } else if cursor_row > edit_end_row {
5356 Some(edit_start_row..cursor_row)
5357 } else {
5358 None
5359 };
5360 let is_move =
5361 move_invalidation_row_range.is_some() || self.inline_completions_hidden_for_vim_mode;
5362 let completion = if is_move {
5363 invalidation_row_range =
5364 move_invalidation_row_range.unwrap_or(edit_start_row..edit_end_row);
5365 let target = first_edit_start;
5366 InlineCompletion::Move { target, snapshot }
5367 } else {
5368 let show_completions_in_buffer = !self.edit_prediction_visible_in_cursor_popover(true)
5369 && !self.inline_completions_hidden_for_vim_mode;
5370
5371 if show_completions_in_buffer {
5372 if edits
5373 .iter()
5374 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5375 {
5376 let mut inlays = Vec::new();
5377 for (range, new_text) in &edits {
5378 let inlay = Inlay::inline_completion(
5379 post_inc(&mut self.next_inlay_id),
5380 range.start,
5381 new_text.as_str(),
5382 );
5383 inlay_ids.push(inlay.id);
5384 inlays.push(inlay);
5385 }
5386
5387 self.splice_inlays(&[], inlays, cx);
5388 } else {
5389 let background_color = cx.theme().status().deleted_background;
5390 self.highlight_text::<InlineCompletionHighlight>(
5391 edits.iter().map(|(range, _)| range.clone()).collect(),
5392 HighlightStyle {
5393 background_color: Some(background_color),
5394 ..Default::default()
5395 },
5396 cx,
5397 );
5398 }
5399 }
5400
5401 invalidation_row_range = edit_start_row..edit_end_row;
5402
5403 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5404 if provider.show_tab_accept_marker() {
5405 EditDisplayMode::TabAccept
5406 } else {
5407 EditDisplayMode::Inline
5408 }
5409 } else {
5410 EditDisplayMode::DiffPopover
5411 };
5412
5413 InlineCompletion::Edit {
5414 edits,
5415 edit_preview: inline_completion.edit_preview,
5416 display_mode,
5417 snapshot,
5418 }
5419 };
5420
5421 let invalidation_range = multibuffer
5422 .anchor_before(Point::new(invalidation_row_range.start, 0))
5423 ..multibuffer.anchor_after(Point::new(
5424 invalidation_row_range.end,
5425 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5426 ));
5427
5428 self.stale_inline_completion_in_menu = None;
5429 self.active_inline_completion = Some(InlineCompletionState {
5430 inlay_ids,
5431 completion,
5432 completion_id: inline_completion.id,
5433 invalidation_range,
5434 });
5435
5436 cx.notify();
5437
5438 Some(())
5439 }
5440
5441 pub fn edit_prediction_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5442 Some(self.edit_prediction_provider.as_ref()?.provider.clone())
5443 }
5444
5445 fn render_code_actions_indicator(
5446 &self,
5447 _style: &EditorStyle,
5448 row: DisplayRow,
5449 is_active: bool,
5450 cx: &mut Context<Self>,
5451 ) -> Option<IconButton> {
5452 if self.available_code_actions.is_some() {
5453 Some(
5454 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5455 .shape(ui::IconButtonShape::Square)
5456 .icon_size(IconSize::XSmall)
5457 .icon_color(Color::Muted)
5458 .toggle_state(is_active)
5459 .tooltip({
5460 let focus_handle = self.focus_handle.clone();
5461 move |window, cx| {
5462 Tooltip::for_action_in(
5463 "Toggle Code Actions",
5464 &ToggleCodeActions {
5465 deployed_from_indicator: None,
5466 },
5467 &focus_handle,
5468 window,
5469 cx,
5470 )
5471 }
5472 })
5473 .on_click(cx.listener(move |editor, _e, window, cx| {
5474 window.focus(&editor.focus_handle(cx));
5475 editor.toggle_code_actions(
5476 &ToggleCodeActions {
5477 deployed_from_indicator: Some(row),
5478 },
5479 window,
5480 cx,
5481 );
5482 })),
5483 )
5484 } else {
5485 None
5486 }
5487 }
5488
5489 fn clear_tasks(&mut self) {
5490 self.tasks.clear()
5491 }
5492
5493 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5494 if self.tasks.insert(key, value).is_some() {
5495 // This case should hopefully be rare, but just in case...
5496 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5497 }
5498 }
5499
5500 fn build_tasks_context(
5501 project: &Entity<Project>,
5502 buffer: &Entity<Buffer>,
5503 buffer_row: u32,
5504 tasks: &Arc<RunnableTasks>,
5505 cx: &mut Context<Self>,
5506 ) -> Task<Option<task::TaskContext>> {
5507 let position = Point::new(buffer_row, tasks.column);
5508 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5509 let location = Location {
5510 buffer: buffer.clone(),
5511 range: range_start..range_start,
5512 };
5513 // Fill in the environmental variables from the tree-sitter captures
5514 let mut captured_task_variables = TaskVariables::default();
5515 for (capture_name, value) in tasks.extra_variables.clone() {
5516 captured_task_variables.insert(
5517 task::VariableName::Custom(capture_name.into()),
5518 value.clone(),
5519 );
5520 }
5521 project.update(cx, |project, cx| {
5522 project.task_store().update(cx, |task_store, cx| {
5523 task_store.task_context_for_location(captured_task_variables, location, cx)
5524 })
5525 })
5526 }
5527
5528 pub fn spawn_nearest_task(
5529 &mut self,
5530 action: &SpawnNearestTask,
5531 window: &mut Window,
5532 cx: &mut Context<Self>,
5533 ) {
5534 let Some((workspace, _)) = self.workspace.clone() else {
5535 return;
5536 };
5537 let Some(project) = self.project.clone() else {
5538 return;
5539 };
5540
5541 // Try to find a closest, enclosing node using tree-sitter that has a
5542 // task
5543 let Some((buffer, buffer_row, tasks)) = self
5544 .find_enclosing_node_task(cx)
5545 // Or find the task that's closest in row-distance.
5546 .or_else(|| self.find_closest_task(cx))
5547 else {
5548 return;
5549 };
5550
5551 let reveal_strategy = action.reveal;
5552 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5553 cx.spawn_in(window, |_, mut cx| async move {
5554 let context = task_context.await?;
5555 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5556
5557 let resolved = resolved_task.resolved.as_mut()?;
5558 resolved.reveal = reveal_strategy;
5559
5560 workspace
5561 .update(&mut cx, |workspace, cx| {
5562 workspace::tasks::schedule_resolved_task(
5563 workspace,
5564 task_source_kind,
5565 resolved_task,
5566 false,
5567 cx,
5568 );
5569 })
5570 .ok()
5571 })
5572 .detach();
5573 }
5574
5575 fn find_closest_task(
5576 &mut self,
5577 cx: &mut Context<Self>,
5578 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5579 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5580
5581 let ((buffer_id, row), tasks) = self
5582 .tasks
5583 .iter()
5584 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5585
5586 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5587 let tasks = Arc::new(tasks.to_owned());
5588 Some((buffer, *row, tasks))
5589 }
5590
5591 fn find_enclosing_node_task(
5592 &mut self,
5593 cx: &mut Context<Self>,
5594 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5595 let snapshot = self.buffer.read(cx).snapshot(cx);
5596 let offset = self.selections.newest::<usize>(cx).head();
5597 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5598 let buffer_id = excerpt.buffer().remote_id();
5599
5600 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5601 let mut cursor = layer.node().walk();
5602
5603 while cursor.goto_first_child_for_byte(offset).is_some() {
5604 if cursor.node().end_byte() == offset {
5605 cursor.goto_next_sibling();
5606 }
5607 }
5608
5609 // Ascend to the smallest ancestor that contains the range and has a task.
5610 loop {
5611 let node = cursor.node();
5612 let node_range = node.byte_range();
5613 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5614
5615 // Check if this node contains our offset
5616 if node_range.start <= offset && node_range.end >= offset {
5617 // If it contains offset, check for task
5618 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5619 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5620 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5621 }
5622 }
5623
5624 if !cursor.goto_parent() {
5625 break;
5626 }
5627 }
5628 None
5629 }
5630
5631 fn render_run_indicator(
5632 &self,
5633 _style: &EditorStyle,
5634 is_active: bool,
5635 row: DisplayRow,
5636 cx: &mut Context<Self>,
5637 ) -> IconButton {
5638 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5639 .shape(ui::IconButtonShape::Square)
5640 .icon_size(IconSize::XSmall)
5641 .icon_color(Color::Muted)
5642 .toggle_state(is_active)
5643 .on_click(cx.listener(move |editor, _e, window, cx| {
5644 window.focus(&editor.focus_handle(cx));
5645 editor.toggle_code_actions(
5646 &ToggleCodeActions {
5647 deployed_from_indicator: Some(row),
5648 },
5649 window,
5650 cx,
5651 );
5652 }))
5653 }
5654
5655 pub fn context_menu_visible(&self) -> bool {
5656 !self.edit_prediction_preview_is_active()
5657 && self
5658 .context_menu
5659 .borrow()
5660 .as_ref()
5661 .map_or(false, |menu| menu.visible())
5662 }
5663
5664 fn context_menu_origin(&self) -> Option<ContextMenuOrigin> {
5665 self.context_menu
5666 .borrow()
5667 .as_ref()
5668 .map(|menu| menu.origin())
5669 }
5670
5671 fn edit_prediction_cursor_popover_height(&self) -> Pixels {
5672 px(30.)
5673 }
5674
5675 fn current_user_player_color(&self, cx: &mut App) -> PlayerColor {
5676 if self.read_only(cx) {
5677 cx.theme().players().read_only()
5678 } else {
5679 self.style.as_ref().unwrap().local_player
5680 }
5681 }
5682
5683 fn render_edit_prediction_accept_keybind(&self, window: &mut Window, cx: &App) -> Option<Div> {
5684 let accept_binding = self.accept_edit_prediction_keybind(window, cx);
5685 let accept_keystroke = accept_binding.keystroke()?;
5686
5687 let is_platform_style_mac = PlatformStyle::platform() == PlatformStyle::Mac;
5688
5689 let modifiers_color = if accept_keystroke.modifiers == window.modifiers() {
5690 Color::Accent
5691 } else {
5692 Color::Muted
5693 };
5694
5695 h_flex()
5696 .px_0p5()
5697 .when(is_platform_style_mac, |parent| parent.gap_0p5())
5698 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5699 .text_size(TextSize::XSmall.rems(cx))
5700 .child(h_flex().children(ui::render_modifiers(
5701 &accept_keystroke.modifiers,
5702 PlatformStyle::platform(),
5703 Some(modifiers_color),
5704 Some(IconSize::XSmall.rems().into()),
5705 true,
5706 )))
5707 .when(is_platform_style_mac, |parent| {
5708 parent.child(accept_keystroke.key.clone())
5709 })
5710 .when(!is_platform_style_mac, |parent| {
5711 parent.child(
5712 Key::new(
5713 util::capitalize(&accept_keystroke.key),
5714 Some(Color::Default),
5715 )
5716 .size(Some(IconSize::XSmall.rems().into())),
5717 )
5718 })
5719 .into()
5720 }
5721
5722 fn render_edit_prediction_line_popover(
5723 &self,
5724 label: impl Into<SharedString>,
5725 icon: Option<IconName>,
5726 window: &mut Window,
5727 cx: &App,
5728 ) -> Option<Div> {
5729 let bg_color = Self::edit_prediction_line_popover_bg_color(cx);
5730
5731 let padding_right = if icon.is_some() { px(4.) } else { px(8.) };
5732
5733 let result = h_flex()
5734 .gap_1()
5735 .border_1()
5736 .rounded_lg()
5737 .shadow_sm()
5738 .bg(bg_color)
5739 .border_color(cx.theme().colors().text_accent.opacity(0.4))
5740 .py_0p5()
5741 .pl_1()
5742 .pr(padding_right)
5743 .children(self.render_edit_prediction_accept_keybind(window, cx))
5744 .child(Label::new(label).size(LabelSize::Small))
5745 .when_some(icon, |element, icon| {
5746 element.child(
5747 div()
5748 .mt(px(1.5))
5749 .child(Icon::new(icon).size(IconSize::Small)),
5750 )
5751 });
5752
5753 Some(result)
5754 }
5755
5756 fn edit_prediction_line_popover_bg_color(cx: &App) -> Hsla {
5757 let accent_color = cx.theme().colors().text_accent;
5758 let editor_bg_color = cx.theme().colors().editor_background;
5759 editor_bg_color.blend(accent_color.opacity(0.1))
5760 }
5761
5762 #[allow(clippy::too_many_arguments)]
5763 fn render_edit_prediction_cursor_popover(
5764 &self,
5765 min_width: Pixels,
5766 max_width: Pixels,
5767 cursor_point: Point,
5768 style: &EditorStyle,
5769 accept_keystroke: &gpui::Keystroke,
5770 _window: &Window,
5771 cx: &mut Context<Editor>,
5772 ) -> Option<AnyElement> {
5773 let provider = self.edit_prediction_provider.as_ref()?;
5774
5775 if provider.provider.needs_terms_acceptance(cx) {
5776 return Some(
5777 h_flex()
5778 .min_w(min_width)
5779 .flex_1()
5780 .px_2()
5781 .py_1()
5782 .gap_3()
5783 .elevation_2(cx)
5784 .hover(|style| style.bg(cx.theme().colors().element_hover))
5785 .id("accept-terms")
5786 .cursor_pointer()
5787 .on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
5788 .on_click(cx.listener(|this, _event, window, cx| {
5789 cx.stop_propagation();
5790 this.report_editor_event("Edit Prediction Provider ToS Clicked", None, cx);
5791 window.dispatch_action(
5792 zed_actions::OpenZedPredictOnboarding.boxed_clone(),
5793 cx,
5794 );
5795 }))
5796 .child(
5797 h_flex()
5798 .flex_1()
5799 .gap_2()
5800 .child(Icon::new(IconName::ZedPredict))
5801 .child(Label::new("Accept Terms of Service"))
5802 .child(div().w_full())
5803 .child(
5804 Icon::new(IconName::ArrowUpRight)
5805 .color(Color::Muted)
5806 .size(IconSize::Small),
5807 )
5808 .into_any_element(),
5809 )
5810 .into_any(),
5811 );
5812 }
5813
5814 let is_refreshing = provider.provider.is_refreshing(cx);
5815
5816 fn pending_completion_container() -> Div {
5817 h_flex()
5818 .h_full()
5819 .flex_1()
5820 .gap_2()
5821 .child(Icon::new(IconName::ZedPredict))
5822 }
5823
5824 let completion = match &self.active_inline_completion {
5825 Some(completion) => match &completion.completion {
5826 InlineCompletion::Move {
5827 target, snapshot, ..
5828 } if !self.has_visible_completions_menu() => {
5829 use text::ToPoint as _;
5830
5831 return Some(
5832 h_flex()
5833 .px_2()
5834 .py_1()
5835 .elevation_2(cx)
5836 .border_color(cx.theme().colors().border)
5837 .rounded_tl(px(0.))
5838 .gap_2()
5839 .child(
5840 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5841 Icon::new(IconName::ZedPredictDown)
5842 } else {
5843 Icon::new(IconName::ZedPredictUp)
5844 },
5845 )
5846 .child(Label::new("Hold").size(LabelSize::Small))
5847 .child(h_flex().children(ui::render_modifiers(
5848 &accept_keystroke.modifiers,
5849 PlatformStyle::platform(),
5850 Some(Color::Default),
5851 Some(IconSize::Small.rems().into()),
5852 false,
5853 )))
5854 .into_any(),
5855 );
5856 }
5857 _ => self.render_edit_prediction_cursor_popover_preview(
5858 completion,
5859 cursor_point,
5860 style,
5861 cx,
5862 )?,
5863 },
5864
5865 None if is_refreshing => match &self.stale_inline_completion_in_menu {
5866 Some(stale_completion) => self.render_edit_prediction_cursor_popover_preview(
5867 stale_completion,
5868 cursor_point,
5869 style,
5870 cx,
5871 )?,
5872
5873 None => {
5874 pending_completion_container().child(Label::new("...").size(LabelSize::Small))
5875 }
5876 },
5877
5878 None => pending_completion_container().child(Label::new("No Prediction")),
5879 };
5880
5881 let completion = if is_refreshing {
5882 completion
5883 .with_animation(
5884 "loading-completion",
5885 Animation::new(Duration::from_secs(2))
5886 .repeat()
5887 .with_easing(pulsating_between(0.4, 0.8)),
5888 |label, delta| label.opacity(delta),
5889 )
5890 .into_any_element()
5891 } else {
5892 completion.into_any_element()
5893 };
5894
5895 let has_completion = self.active_inline_completion.is_some();
5896
5897 let is_platform_style_mac = PlatformStyle::platform() == PlatformStyle::Mac;
5898 Some(
5899 h_flex()
5900 .min_w(min_width)
5901 .max_w(max_width)
5902 .flex_1()
5903 .elevation_2(cx)
5904 .border_color(cx.theme().colors().border)
5905 .child(
5906 div()
5907 .flex_1()
5908 .py_1()
5909 .px_2()
5910 .overflow_hidden()
5911 .child(completion),
5912 )
5913 .child(
5914 h_flex()
5915 .h_full()
5916 .border_l_1()
5917 .rounded_r_lg()
5918 .border_color(cx.theme().colors().border)
5919 .bg(Self::edit_prediction_line_popover_bg_color(cx))
5920 .gap_1()
5921 .py_1()
5922 .px_2()
5923 .child(
5924 h_flex()
5925 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5926 .when(is_platform_style_mac, |parent| parent.gap_1())
5927 .child(h_flex().children(ui::render_modifiers(
5928 &accept_keystroke.modifiers,
5929 PlatformStyle::platform(),
5930 Some(if !has_completion {
5931 Color::Muted
5932 } else {
5933 Color::Default
5934 }),
5935 None,
5936 false,
5937 ))),
5938 )
5939 .child(Label::new("Preview").into_any_element())
5940 .opacity(if has_completion { 1.0 } else { 0.4 }),
5941 )
5942 .into_any(),
5943 )
5944 }
5945
5946 fn render_edit_prediction_cursor_popover_preview(
5947 &self,
5948 completion: &InlineCompletionState,
5949 cursor_point: Point,
5950 style: &EditorStyle,
5951 cx: &mut Context<Editor>,
5952 ) -> Option<Div> {
5953 use text::ToPoint as _;
5954
5955 fn render_relative_row_jump(
5956 prefix: impl Into<String>,
5957 current_row: u32,
5958 target_row: u32,
5959 ) -> Div {
5960 let (row_diff, arrow) = if target_row < current_row {
5961 (current_row - target_row, IconName::ArrowUp)
5962 } else {
5963 (target_row - current_row, IconName::ArrowDown)
5964 };
5965
5966 h_flex()
5967 .child(
5968 Label::new(format!("{}{}", prefix.into(), row_diff))
5969 .color(Color::Muted)
5970 .size(LabelSize::Small),
5971 )
5972 .child(Icon::new(arrow).color(Color::Muted).size(IconSize::Small))
5973 }
5974
5975 match &completion.completion {
5976 InlineCompletion::Move {
5977 target, snapshot, ..
5978 } => Some(
5979 h_flex()
5980 .px_2()
5981 .gap_2()
5982 .flex_1()
5983 .child(
5984 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5985 Icon::new(IconName::ZedPredictDown)
5986 } else {
5987 Icon::new(IconName::ZedPredictUp)
5988 },
5989 )
5990 .child(Label::new("Jump to Edit")),
5991 ),
5992
5993 InlineCompletion::Edit {
5994 edits,
5995 edit_preview,
5996 snapshot,
5997 display_mode: _,
5998 } => {
5999 let first_edit_row = edits.first()?.0.start.text_anchor.to_point(&snapshot).row;
6000
6001 let highlighted_edits = crate::inline_completion_edit_text(
6002 &snapshot,
6003 &edits,
6004 edit_preview.as_ref()?,
6005 true,
6006 cx,
6007 );
6008
6009 let len_total = highlighted_edits.text.len();
6010 let first_line = &highlighted_edits.text
6011 [..highlighted_edits.text.find('\n').unwrap_or(len_total)];
6012 let first_line_len = first_line.len();
6013
6014 let first_highlight_start = highlighted_edits
6015 .highlights
6016 .first()
6017 .map_or(0, |(range, _)| range.start);
6018 let drop_prefix_len = first_line
6019 .char_indices()
6020 .find(|(_, c)| !c.is_whitespace())
6021 .map_or(first_highlight_start, |(ix, _)| {
6022 ix.min(first_highlight_start)
6023 });
6024
6025 let preview_text = &first_line[drop_prefix_len..];
6026 let preview_len = preview_text.len();
6027 let highlights = highlighted_edits
6028 .highlights
6029 .into_iter()
6030 .take_until(|(range, _)| range.start > first_line_len)
6031 .map(|(range, style)| {
6032 (
6033 range.start - drop_prefix_len
6034 ..(range.end - drop_prefix_len).min(preview_len),
6035 style,
6036 )
6037 });
6038
6039 let styled_text = gpui::StyledText::new(SharedString::new(preview_text))
6040 .with_highlights(&style.text, highlights);
6041
6042 let preview = h_flex()
6043 .gap_1()
6044 .min_w_16()
6045 .child(styled_text)
6046 .when(len_total > first_line_len, |parent| parent.child("…"));
6047
6048 let left = if first_edit_row != cursor_point.row {
6049 render_relative_row_jump("", cursor_point.row, first_edit_row)
6050 .into_any_element()
6051 } else {
6052 Icon::new(IconName::ZedPredict).into_any_element()
6053 };
6054
6055 Some(
6056 h_flex()
6057 .h_full()
6058 .flex_1()
6059 .gap_2()
6060 .pr_1()
6061 .overflow_x_hidden()
6062 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
6063 .child(left)
6064 .child(preview),
6065 )
6066 }
6067 }
6068 }
6069
6070 fn render_context_menu(
6071 &self,
6072 style: &EditorStyle,
6073 max_height_in_lines: u32,
6074 y_flipped: bool,
6075 window: &mut Window,
6076 cx: &mut Context<Editor>,
6077 ) -> Option<AnyElement> {
6078 let menu = self.context_menu.borrow();
6079 let menu = menu.as_ref()?;
6080 if !menu.visible() {
6081 return None;
6082 };
6083 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
6084 }
6085
6086 fn render_context_menu_aside(
6087 &self,
6088 style: &EditorStyle,
6089 max_size: Size<Pixels>,
6090 cx: &mut Context<Editor>,
6091 ) -> Option<AnyElement> {
6092 self.context_menu.borrow().as_ref().and_then(|menu| {
6093 if menu.visible() {
6094 menu.render_aside(
6095 style,
6096 max_size,
6097 self.workspace.as_ref().map(|(w, _)| w.clone()),
6098 cx,
6099 )
6100 } else {
6101 None
6102 }
6103 })
6104 }
6105
6106 fn hide_context_menu(
6107 &mut self,
6108 window: &mut Window,
6109 cx: &mut Context<Self>,
6110 ) -> Option<CodeContextMenu> {
6111 cx.notify();
6112 self.completion_tasks.clear();
6113 let context_menu = self.context_menu.borrow_mut().take();
6114 self.stale_inline_completion_in_menu.take();
6115 self.update_visible_inline_completion(window, cx);
6116 context_menu
6117 }
6118
6119 fn show_snippet_choices(
6120 &mut self,
6121 choices: &Vec<String>,
6122 selection: Range<Anchor>,
6123 cx: &mut Context<Self>,
6124 ) {
6125 if selection.start.buffer_id.is_none() {
6126 return;
6127 }
6128 let buffer_id = selection.start.buffer_id.unwrap();
6129 let buffer = self.buffer().read(cx).buffer(buffer_id);
6130 let id = post_inc(&mut self.next_completion_id);
6131
6132 if let Some(buffer) = buffer {
6133 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
6134 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
6135 ));
6136 }
6137 }
6138
6139 pub fn insert_snippet(
6140 &mut self,
6141 insertion_ranges: &[Range<usize>],
6142 snippet: Snippet,
6143 window: &mut Window,
6144 cx: &mut Context<Self>,
6145 ) -> Result<()> {
6146 struct Tabstop<T> {
6147 is_end_tabstop: bool,
6148 ranges: Vec<Range<T>>,
6149 choices: Option<Vec<String>>,
6150 }
6151
6152 let tabstops = self.buffer.update(cx, |buffer, cx| {
6153 let snippet_text: Arc<str> = snippet.text.clone().into();
6154 buffer.edit(
6155 insertion_ranges
6156 .iter()
6157 .cloned()
6158 .map(|range| (range, snippet_text.clone())),
6159 Some(AutoindentMode::EachLine),
6160 cx,
6161 );
6162
6163 let snapshot = &*buffer.read(cx);
6164 let snippet = &snippet;
6165 snippet
6166 .tabstops
6167 .iter()
6168 .map(|tabstop| {
6169 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
6170 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
6171 });
6172 let mut tabstop_ranges = tabstop
6173 .ranges
6174 .iter()
6175 .flat_map(|tabstop_range| {
6176 let mut delta = 0_isize;
6177 insertion_ranges.iter().map(move |insertion_range| {
6178 let insertion_start = insertion_range.start as isize + delta;
6179 delta +=
6180 snippet.text.len() as isize - insertion_range.len() as isize;
6181
6182 let start = ((insertion_start + tabstop_range.start) as usize)
6183 .min(snapshot.len());
6184 let end = ((insertion_start + tabstop_range.end) as usize)
6185 .min(snapshot.len());
6186 snapshot.anchor_before(start)..snapshot.anchor_after(end)
6187 })
6188 })
6189 .collect::<Vec<_>>();
6190 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
6191
6192 Tabstop {
6193 is_end_tabstop,
6194 ranges: tabstop_ranges,
6195 choices: tabstop.choices.clone(),
6196 }
6197 })
6198 .collect::<Vec<_>>()
6199 });
6200 if let Some(tabstop) = tabstops.first() {
6201 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6202 s.select_ranges(tabstop.ranges.iter().cloned());
6203 });
6204
6205 if let Some(choices) = &tabstop.choices {
6206 if let Some(selection) = tabstop.ranges.first() {
6207 self.show_snippet_choices(choices, selection.clone(), cx)
6208 }
6209 }
6210
6211 // If we're already at the last tabstop and it's at the end of the snippet,
6212 // we're done, we don't need to keep the state around.
6213 if !tabstop.is_end_tabstop {
6214 let choices = tabstops
6215 .iter()
6216 .map(|tabstop| tabstop.choices.clone())
6217 .collect();
6218
6219 let ranges = tabstops
6220 .into_iter()
6221 .map(|tabstop| tabstop.ranges)
6222 .collect::<Vec<_>>();
6223
6224 self.snippet_stack.push(SnippetState {
6225 active_index: 0,
6226 ranges,
6227 choices,
6228 });
6229 }
6230
6231 // Check whether the just-entered snippet ends with an auto-closable bracket.
6232 if self.autoclose_regions.is_empty() {
6233 let snapshot = self.buffer.read(cx).snapshot(cx);
6234 for selection in &mut self.selections.all::<Point>(cx) {
6235 let selection_head = selection.head();
6236 let Some(scope) = snapshot.language_scope_at(selection_head) else {
6237 continue;
6238 };
6239
6240 let mut bracket_pair = None;
6241 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
6242 let prev_chars = snapshot
6243 .reversed_chars_at(selection_head)
6244 .collect::<String>();
6245 for (pair, enabled) in scope.brackets() {
6246 if enabled
6247 && pair.close
6248 && prev_chars.starts_with(pair.start.as_str())
6249 && next_chars.starts_with(pair.end.as_str())
6250 {
6251 bracket_pair = Some(pair.clone());
6252 break;
6253 }
6254 }
6255 if let Some(pair) = bracket_pair {
6256 let start = snapshot.anchor_after(selection_head);
6257 let end = snapshot.anchor_after(selection_head);
6258 self.autoclose_regions.push(AutocloseRegion {
6259 selection_id: selection.id,
6260 range: start..end,
6261 pair,
6262 });
6263 }
6264 }
6265 }
6266 }
6267 Ok(())
6268 }
6269
6270 pub fn move_to_next_snippet_tabstop(
6271 &mut self,
6272 window: &mut Window,
6273 cx: &mut Context<Self>,
6274 ) -> bool {
6275 self.move_to_snippet_tabstop(Bias::Right, window, cx)
6276 }
6277
6278 pub fn move_to_prev_snippet_tabstop(
6279 &mut self,
6280 window: &mut Window,
6281 cx: &mut Context<Self>,
6282 ) -> bool {
6283 self.move_to_snippet_tabstop(Bias::Left, window, cx)
6284 }
6285
6286 pub fn move_to_snippet_tabstop(
6287 &mut self,
6288 bias: Bias,
6289 window: &mut Window,
6290 cx: &mut Context<Self>,
6291 ) -> bool {
6292 if let Some(mut snippet) = self.snippet_stack.pop() {
6293 match bias {
6294 Bias::Left => {
6295 if snippet.active_index > 0 {
6296 snippet.active_index -= 1;
6297 } else {
6298 self.snippet_stack.push(snippet);
6299 return false;
6300 }
6301 }
6302 Bias::Right => {
6303 if snippet.active_index + 1 < snippet.ranges.len() {
6304 snippet.active_index += 1;
6305 } else {
6306 self.snippet_stack.push(snippet);
6307 return false;
6308 }
6309 }
6310 }
6311 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
6312 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6313 s.select_anchor_ranges(current_ranges.iter().cloned())
6314 });
6315
6316 if let Some(choices) = &snippet.choices[snippet.active_index] {
6317 if let Some(selection) = current_ranges.first() {
6318 self.show_snippet_choices(&choices, selection.clone(), cx);
6319 }
6320 }
6321
6322 // If snippet state is not at the last tabstop, push it back on the stack
6323 if snippet.active_index + 1 < snippet.ranges.len() {
6324 self.snippet_stack.push(snippet);
6325 }
6326 return true;
6327 }
6328 }
6329
6330 false
6331 }
6332
6333 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6334 self.transact(window, cx, |this, window, cx| {
6335 this.select_all(&SelectAll, window, cx);
6336 this.insert("", window, cx);
6337 });
6338 }
6339
6340 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
6341 self.transact(window, cx, |this, window, cx| {
6342 this.select_autoclose_pair(window, cx);
6343 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
6344 if !this.linked_edit_ranges.is_empty() {
6345 let selections = this.selections.all::<MultiBufferPoint>(cx);
6346 let snapshot = this.buffer.read(cx).snapshot(cx);
6347
6348 for selection in selections.iter() {
6349 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
6350 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
6351 if selection_start.buffer_id != selection_end.buffer_id {
6352 continue;
6353 }
6354 if let Some(ranges) =
6355 this.linked_editing_ranges_for(selection_start..selection_end, cx)
6356 {
6357 for (buffer, entries) in ranges {
6358 linked_ranges.entry(buffer).or_default().extend(entries);
6359 }
6360 }
6361 }
6362 }
6363
6364 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
6365 if !this.selections.line_mode {
6366 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
6367 for selection in &mut selections {
6368 if selection.is_empty() {
6369 let old_head = selection.head();
6370 let mut new_head =
6371 movement::left(&display_map, old_head.to_display_point(&display_map))
6372 .to_point(&display_map);
6373 if let Some((buffer, line_buffer_range)) = display_map
6374 .buffer_snapshot
6375 .buffer_line_for_row(MultiBufferRow(old_head.row))
6376 {
6377 let indent_size =
6378 buffer.indent_size_for_line(line_buffer_range.start.row);
6379 let indent_len = match indent_size.kind {
6380 IndentKind::Space => {
6381 buffer.settings_at(line_buffer_range.start, cx).tab_size
6382 }
6383 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
6384 };
6385 if old_head.column <= indent_size.len && old_head.column > 0 {
6386 let indent_len = indent_len.get();
6387 new_head = cmp::min(
6388 new_head,
6389 MultiBufferPoint::new(
6390 old_head.row,
6391 ((old_head.column - 1) / indent_len) * indent_len,
6392 ),
6393 );
6394 }
6395 }
6396
6397 selection.set_head(new_head, SelectionGoal::None);
6398 }
6399 }
6400 }
6401
6402 this.signature_help_state.set_backspace_pressed(true);
6403 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6404 s.select(selections)
6405 });
6406 this.insert("", window, cx);
6407 let empty_str: Arc<str> = Arc::from("");
6408 for (buffer, edits) in linked_ranges {
6409 let snapshot = buffer.read(cx).snapshot();
6410 use text::ToPoint as TP;
6411
6412 let edits = edits
6413 .into_iter()
6414 .map(|range| {
6415 let end_point = TP::to_point(&range.end, &snapshot);
6416 let mut start_point = TP::to_point(&range.start, &snapshot);
6417
6418 if end_point == start_point {
6419 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
6420 .saturating_sub(1);
6421 start_point =
6422 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
6423 };
6424
6425 (start_point..end_point, empty_str.clone())
6426 })
6427 .sorted_by_key(|(range, _)| range.start)
6428 .collect::<Vec<_>>();
6429 buffer.update(cx, |this, cx| {
6430 this.edit(edits, None, cx);
6431 })
6432 }
6433 this.refresh_inline_completion(true, false, window, cx);
6434 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
6435 });
6436 }
6437
6438 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
6439 self.transact(window, cx, |this, window, cx| {
6440 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6441 let line_mode = s.line_mode;
6442 s.move_with(|map, selection| {
6443 if selection.is_empty() && !line_mode {
6444 let cursor = movement::right(map, selection.head());
6445 selection.end = cursor;
6446 selection.reversed = true;
6447 selection.goal = SelectionGoal::None;
6448 }
6449 })
6450 });
6451 this.insert("", window, cx);
6452 this.refresh_inline_completion(true, false, window, cx);
6453 });
6454 }
6455
6456 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
6457 if self.move_to_prev_snippet_tabstop(window, cx) {
6458 return;
6459 }
6460
6461 self.outdent(&Outdent, window, cx);
6462 }
6463
6464 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
6465 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
6466 return;
6467 }
6468
6469 let mut selections = self.selections.all_adjusted(cx);
6470 let buffer = self.buffer.read(cx);
6471 let snapshot = buffer.snapshot(cx);
6472 let rows_iter = selections.iter().map(|s| s.head().row);
6473 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
6474
6475 let mut edits = Vec::new();
6476 let mut prev_edited_row = 0;
6477 let mut row_delta = 0;
6478 for selection in &mut selections {
6479 if selection.start.row != prev_edited_row {
6480 row_delta = 0;
6481 }
6482 prev_edited_row = selection.end.row;
6483
6484 // If the selection is non-empty, then increase the indentation of the selected lines.
6485 if !selection.is_empty() {
6486 row_delta =
6487 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6488 continue;
6489 }
6490
6491 // If the selection is empty and the cursor is in the leading whitespace before the
6492 // suggested indentation, then auto-indent the line.
6493 let cursor = selection.head();
6494 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
6495 if let Some(suggested_indent) =
6496 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
6497 {
6498 if cursor.column < suggested_indent.len
6499 && cursor.column <= current_indent.len
6500 && current_indent.len <= suggested_indent.len
6501 {
6502 selection.start = Point::new(cursor.row, suggested_indent.len);
6503 selection.end = selection.start;
6504 if row_delta == 0 {
6505 edits.extend(Buffer::edit_for_indent_size_adjustment(
6506 cursor.row,
6507 current_indent,
6508 suggested_indent,
6509 ));
6510 row_delta = suggested_indent.len - current_indent.len;
6511 }
6512 continue;
6513 }
6514 }
6515
6516 // Otherwise, insert a hard or soft tab.
6517 let settings = buffer.settings_at(cursor, cx);
6518 let tab_size = if settings.hard_tabs {
6519 IndentSize::tab()
6520 } else {
6521 let tab_size = settings.tab_size.get();
6522 let char_column = snapshot
6523 .text_for_range(Point::new(cursor.row, 0)..cursor)
6524 .flat_map(str::chars)
6525 .count()
6526 + row_delta as usize;
6527 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
6528 IndentSize::spaces(chars_to_next_tab_stop)
6529 };
6530 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
6531 selection.end = selection.start;
6532 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
6533 row_delta += tab_size.len;
6534 }
6535
6536 self.transact(window, cx, |this, window, cx| {
6537 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6538 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6539 s.select(selections)
6540 });
6541 this.refresh_inline_completion(true, false, window, cx);
6542 });
6543 }
6544
6545 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
6546 if self.read_only(cx) {
6547 return;
6548 }
6549 let mut selections = self.selections.all::<Point>(cx);
6550 let mut prev_edited_row = 0;
6551 let mut row_delta = 0;
6552 let mut edits = Vec::new();
6553 let buffer = self.buffer.read(cx);
6554 let snapshot = buffer.snapshot(cx);
6555 for selection in &mut selections {
6556 if selection.start.row != prev_edited_row {
6557 row_delta = 0;
6558 }
6559 prev_edited_row = selection.end.row;
6560
6561 row_delta =
6562 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6563 }
6564
6565 self.transact(window, cx, |this, window, cx| {
6566 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6567 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6568 s.select(selections)
6569 });
6570 });
6571 }
6572
6573 fn indent_selection(
6574 buffer: &MultiBuffer,
6575 snapshot: &MultiBufferSnapshot,
6576 selection: &mut Selection<Point>,
6577 edits: &mut Vec<(Range<Point>, String)>,
6578 delta_for_start_row: u32,
6579 cx: &App,
6580 ) -> u32 {
6581 let settings = buffer.settings_at(selection.start, cx);
6582 let tab_size = settings.tab_size.get();
6583 let indent_kind = if settings.hard_tabs {
6584 IndentKind::Tab
6585 } else {
6586 IndentKind::Space
6587 };
6588 let mut start_row = selection.start.row;
6589 let mut end_row = selection.end.row + 1;
6590
6591 // If a selection ends at the beginning of a line, don't indent
6592 // that last line.
6593 if selection.end.column == 0 && selection.end.row > selection.start.row {
6594 end_row -= 1;
6595 }
6596
6597 // Avoid re-indenting a row that has already been indented by a
6598 // previous selection, but still update this selection's column
6599 // to reflect that indentation.
6600 if delta_for_start_row > 0 {
6601 start_row += 1;
6602 selection.start.column += delta_for_start_row;
6603 if selection.end.row == selection.start.row {
6604 selection.end.column += delta_for_start_row;
6605 }
6606 }
6607
6608 let mut delta_for_end_row = 0;
6609 let has_multiple_rows = start_row + 1 != end_row;
6610 for row in start_row..end_row {
6611 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6612 let indent_delta = match (current_indent.kind, indent_kind) {
6613 (IndentKind::Space, IndentKind::Space) => {
6614 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6615 IndentSize::spaces(columns_to_next_tab_stop)
6616 }
6617 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6618 (_, IndentKind::Tab) => IndentSize::tab(),
6619 };
6620
6621 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6622 0
6623 } else {
6624 selection.start.column
6625 };
6626 let row_start = Point::new(row, start);
6627 edits.push((
6628 row_start..row_start,
6629 indent_delta.chars().collect::<String>(),
6630 ));
6631
6632 // Update this selection's endpoints to reflect the indentation.
6633 if row == selection.start.row {
6634 selection.start.column += indent_delta.len;
6635 }
6636 if row == selection.end.row {
6637 selection.end.column += indent_delta.len;
6638 delta_for_end_row = indent_delta.len;
6639 }
6640 }
6641
6642 if selection.start.row == selection.end.row {
6643 delta_for_start_row + delta_for_end_row
6644 } else {
6645 delta_for_end_row
6646 }
6647 }
6648
6649 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6650 if self.read_only(cx) {
6651 return;
6652 }
6653 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6654 let selections = self.selections.all::<Point>(cx);
6655 let mut deletion_ranges = Vec::new();
6656 let mut last_outdent = None;
6657 {
6658 let buffer = self.buffer.read(cx);
6659 let snapshot = buffer.snapshot(cx);
6660 for selection in &selections {
6661 let settings = buffer.settings_at(selection.start, cx);
6662 let tab_size = settings.tab_size.get();
6663 let mut rows = selection.spanned_rows(false, &display_map);
6664
6665 // Avoid re-outdenting a row that has already been outdented by a
6666 // previous selection.
6667 if let Some(last_row) = last_outdent {
6668 if last_row == rows.start {
6669 rows.start = rows.start.next_row();
6670 }
6671 }
6672 let has_multiple_rows = rows.len() > 1;
6673 for row in rows.iter_rows() {
6674 let indent_size = snapshot.indent_size_for_line(row);
6675 if indent_size.len > 0 {
6676 let deletion_len = match indent_size.kind {
6677 IndentKind::Space => {
6678 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6679 if columns_to_prev_tab_stop == 0 {
6680 tab_size
6681 } else {
6682 columns_to_prev_tab_stop
6683 }
6684 }
6685 IndentKind::Tab => 1,
6686 };
6687 let start = if has_multiple_rows
6688 || deletion_len > selection.start.column
6689 || indent_size.len < selection.start.column
6690 {
6691 0
6692 } else {
6693 selection.start.column - deletion_len
6694 };
6695 deletion_ranges.push(
6696 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6697 );
6698 last_outdent = Some(row);
6699 }
6700 }
6701 }
6702 }
6703
6704 self.transact(window, cx, |this, window, cx| {
6705 this.buffer.update(cx, |buffer, cx| {
6706 let empty_str: Arc<str> = Arc::default();
6707 buffer.edit(
6708 deletion_ranges
6709 .into_iter()
6710 .map(|range| (range, empty_str.clone())),
6711 None,
6712 cx,
6713 );
6714 });
6715 let selections = this.selections.all::<usize>(cx);
6716 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6717 s.select(selections)
6718 });
6719 });
6720 }
6721
6722 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6723 if self.read_only(cx) {
6724 return;
6725 }
6726 let selections = self
6727 .selections
6728 .all::<usize>(cx)
6729 .into_iter()
6730 .map(|s| s.range());
6731
6732 self.transact(window, cx, |this, window, cx| {
6733 this.buffer.update(cx, |buffer, cx| {
6734 buffer.autoindent_ranges(selections, cx);
6735 });
6736 let selections = this.selections.all::<usize>(cx);
6737 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6738 s.select(selections)
6739 });
6740 });
6741 }
6742
6743 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6744 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6745 let selections = self.selections.all::<Point>(cx);
6746
6747 let mut new_cursors = Vec::new();
6748 let mut edit_ranges = Vec::new();
6749 let mut selections = selections.iter().peekable();
6750 while let Some(selection) = selections.next() {
6751 let mut rows = selection.spanned_rows(false, &display_map);
6752 let goal_display_column = selection.head().to_display_point(&display_map).column();
6753
6754 // Accumulate contiguous regions of rows that we want to delete.
6755 while let Some(next_selection) = selections.peek() {
6756 let next_rows = next_selection.spanned_rows(false, &display_map);
6757 if next_rows.start <= rows.end {
6758 rows.end = next_rows.end;
6759 selections.next().unwrap();
6760 } else {
6761 break;
6762 }
6763 }
6764
6765 let buffer = &display_map.buffer_snapshot;
6766 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6767 let edit_end;
6768 let cursor_buffer_row;
6769 if buffer.max_point().row >= rows.end.0 {
6770 // If there's a line after the range, delete the \n from the end of the row range
6771 // and position the cursor on the next line.
6772 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6773 cursor_buffer_row = rows.end;
6774 } else {
6775 // If there isn't a line after the range, delete the \n from the line before the
6776 // start of the row range and position the cursor there.
6777 edit_start = edit_start.saturating_sub(1);
6778 edit_end = buffer.len();
6779 cursor_buffer_row = rows.start.previous_row();
6780 }
6781
6782 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6783 *cursor.column_mut() =
6784 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6785
6786 new_cursors.push((
6787 selection.id,
6788 buffer.anchor_after(cursor.to_point(&display_map)),
6789 ));
6790 edit_ranges.push(edit_start..edit_end);
6791 }
6792
6793 self.transact(window, cx, |this, window, cx| {
6794 let buffer = this.buffer.update(cx, |buffer, cx| {
6795 let empty_str: Arc<str> = Arc::default();
6796 buffer.edit(
6797 edit_ranges
6798 .into_iter()
6799 .map(|range| (range, empty_str.clone())),
6800 None,
6801 cx,
6802 );
6803 buffer.snapshot(cx)
6804 });
6805 let new_selections = new_cursors
6806 .into_iter()
6807 .map(|(id, cursor)| {
6808 let cursor = cursor.to_point(&buffer);
6809 Selection {
6810 id,
6811 start: cursor,
6812 end: cursor,
6813 reversed: false,
6814 goal: SelectionGoal::None,
6815 }
6816 })
6817 .collect();
6818
6819 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6820 s.select(new_selections);
6821 });
6822 });
6823 }
6824
6825 pub fn join_lines_impl(
6826 &mut self,
6827 insert_whitespace: bool,
6828 window: &mut Window,
6829 cx: &mut Context<Self>,
6830 ) {
6831 if self.read_only(cx) {
6832 return;
6833 }
6834 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6835 for selection in self.selections.all::<Point>(cx) {
6836 let start = MultiBufferRow(selection.start.row);
6837 // Treat single line selections as if they include the next line. Otherwise this action
6838 // would do nothing for single line selections individual cursors.
6839 let end = if selection.start.row == selection.end.row {
6840 MultiBufferRow(selection.start.row + 1)
6841 } else {
6842 MultiBufferRow(selection.end.row)
6843 };
6844
6845 if let Some(last_row_range) = row_ranges.last_mut() {
6846 if start <= last_row_range.end {
6847 last_row_range.end = end;
6848 continue;
6849 }
6850 }
6851 row_ranges.push(start..end);
6852 }
6853
6854 let snapshot = self.buffer.read(cx).snapshot(cx);
6855 let mut cursor_positions = Vec::new();
6856 for row_range in &row_ranges {
6857 let anchor = snapshot.anchor_before(Point::new(
6858 row_range.end.previous_row().0,
6859 snapshot.line_len(row_range.end.previous_row()),
6860 ));
6861 cursor_positions.push(anchor..anchor);
6862 }
6863
6864 self.transact(window, cx, |this, window, cx| {
6865 for row_range in row_ranges.into_iter().rev() {
6866 for row in row_range.iter_rows().rev() {
6867 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6868 let next_line_row = row.next_row();
6869 let indent = snapshot.indent_size_for_line(next_line_row);
6870 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6871
6872 let replace =
6873 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6874 " "
6875 } else {
6876 ""
6877 };
6878
6879 this.buffer.update(cx, |buffer, cx| {
6880 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6881 });
6882 }
6883 }
6884
6885 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6886 s.select_anchor_ranges(cursor_positions)
6887 });
6888 });
6889 }
6890
6891 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6892 self.join_lines_impl(true, window, cx);
6893 }
6894
6895 pub fn sort_lines_case_sensitive(
6896 &mut self,
6897 _: &SortLinesCaseSensitive,
6898 window: &mut Window,
6899 cx: &mut Context<Self>,
6900 ) {
6901 self.manipulate_lines(window, cx, |lines| lines.sort())
6902 }
6903
6904 pub fn sort_lines_case_insensitive(
6905 &mut self,
6906 _: &SortLinesCaseInsensitive,
6907 window: &mut Window,
6908 cx: &mut Context<Self>,
6909 ) {
6910 self.manipulate_lines(window, cx, |lines| {
6911 lines.sort_by_key(|line| line.to_lowercase())
6912 })
6913 }
6914
6915 pub fn unique_lines_case_insensitive(
6916 &mut self,
6917 _: &UniqueLinesCaseInsensitive,
6918 window: &mut Window,
6919 cx: &mut Context<Self>,
6920 ) {
6921 self.manipulate_lines(window, cx, |lines| {
6922 let mut seen = HashSet::default();
6923 lines.retain(|line| seen.insert(line.to_lowercase()));
6924 })
6925 }
6926
6927 pub fn unique_lines_case_sensitive(
6928 &mut self,
6929 _: &UniqueLinesCaseSensitive,
6930 window: &mut Window,
6931 cx: &mut Context<Self>,
6932 ) {
6933 self.manipulate_lines(window, cx, |lines| {
6934 let mut seen = HashSet::default();
6935 lines.retain(|line| seen.insert(*line));
6936 })
6937 }
6938
6939 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6940 let mut revert_changes = HashMap::default();
6941 let snapshot = self.snapshot(window, cx);
6942 for hunk in snapshot
6943 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6944 {
6945 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6946 }
6947 if !revert_changes.is_empty() {
6948 self.transact(window, cx, |editor, window, cx| {
6949 editor.revert(revert_changes, window, cx);
6950 });
6951 }
6952 }
6953
6954 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6955 let Some(project) = self.project.clone() else {
6956 return;
6957 };
6958 self.reload(project, window, cx)
6959 .detach_and_notify_err(window, cx);
6960 }
6961
6962 pub fn revert_selected_hunks(
6963 &mut self,
6964 _: &RevertSelectedHunks,
6965 window: &mut Window,
6966 cx: &mut Context<Self>,
6967 ) {
6968 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6969 self.revert_hunks_in_ranges(selections, window, cx);
6970 }
6971
6972 fn revert_hunks_in_ranges(
6973 &mut self,
6974 ranges: impl Iterator<Item = Range<Point>>,
6975 window: &mut Window,
6976 cx: &mut Context<Editor>,
6977 ) {
6978 let mut revert_changes = HashMap::default();
6979 let snapshot = self.snapshot(window, cx);
6980 for hunk in &snapshot.hunks_for_ranges(ranges) {
6981 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6982 }
6983 if !revert_changes.is_empty() {
6984 self.transact(window, cx, |editor, window, cx| {
6985 editor.revert(revert_changes, window, cx);
6986 });
6987 }
6988 }
6989
6990 pub fn open_active_item_in_terminal(
6991 &mut self,
6992 _: &OpenInTerminal,
6993 window: &mut Window,
6994 cx: &mut Context<Self>,
6995 ) {
6996 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6997 let project_path = buffer.read(cx).project_path(cx)?;
6998 let project = self.project.as_ref()?.read(cx);
6999 let entry = project.entry_for_path(&project_path, cx)?;
7000 let parent = match &entry.canonical_path {
7001 Some(canonical_path) => canonical_path.to_path_buf(),
7002 None => project.absolute_path(&project_path, cx)?,
7003 }
7004 .parent()?
7005 .to_path_buf();
7006 Some(parent)
7007 }) {
7008 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
7009 }
7010 }
7011
7012 pub fn prepare_revert_change(
7013 &self,
7014 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
7015 hunk: &MultiBufferDiffHunk,
7016 cx: &mut App,
7017 ) -> Option<()> {
7018 let buffer = self.buffer.read(cx);
7019 let diff = buffer.diff_for(hunk.buffer_id)?;
7020 let buffer = buffer.buffer(hunk.buffer_id)?;
7021 let buffer = buffer.read(cx);
7022 let original_text = diff
7023 .read(cx)
7024 .base_text()
7025 .as_ref()?
7026 .as_rope()
7027 .slice(hunk.diff_base_byte_range.clone());
7028 let buffer_snapshot = buffer.snapshot();
7029 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
7030 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
7031 probe
7032 .0
7033 .start
7034 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
7035 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
7036 }) {
7037 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
7038 Some(())
7039 } else {
7040 None
7041 }
7042 }
7043
7044 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
7045 self.manipulate_lines(window, cx, |lines| lines.reverse())
7046 }
7047
7048 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
7049 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
7050 }
7051
7052 fn manipulate_lines<Fn>(
7053 &mut self,
7054 window: &mut Window,
7055 cx: &mut Context<Self>,
7056 mut callback: Fn,
7057 ) where
7058 Fn: FnMut(&mut Vec<&str>),
7059 {
7060 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7061 let buffer = self.buffer.read(cx).snapshot(cx);
7062
7063 let mut edits = Vec::new();
7064
7065 let selections = self.selections.all::<Point>(cx);
7066 let mut selections = selections.iter().peekable();
7067 let mut contiguous_row_selections = Vec::new();
7068 let mut new_selections = Vec::new();
7069 let mut added_lines = 0;
7070 let mut removed_lines = 0;
7071
7072 while let Some(selection) = selections.next() {
7073 let (start_row, end_row) = consume_contiguous_rows(
7074 &mut contiguous_row_selections,
7075 selection,
7076 &display_map,
7077 &mut selections,
7078 );
7079
7080 let start_point = Point::new(start_row.0, 0);
7081 let end_point = Point::new(
7082 end_row.previous_row().0,
7083 buffer.line_len(end_row.previous_row()),
7084 );
7085 let text = buffer
7086 .text_for_range(start_point..end_point)
7087 .collect::<String>();
7088
7089 let mut lines = text.split('\n').collect_vec();
7090
7091 let lines_before = lines.len();
7092 callback(&mut lines);
7093 let lines_after = lines.len();
7094
7095 edits.push((start_point..end_point, lines.join("\n")));
7096
7097 // Selections must change based on added and removed line count
7098 let start_row =
7099 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
7100 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
7101 new_selections.push(Selection {
7102 id: selection.id,
7103 start: start_row,
7104 end: end_row,
7105 goal: SelectionGoal::None,
7106 reversed: selection.reversed,
7107 });
7108
7109 if lines_after > lines_before {
7110 added_lines += lines_after - lines_before;
7111 } else if lines_before > lines_after {
7112 removed_lines += lines_before - lines_after;
7113 }
7114 }
7115
7116 self.transact(window, cx, |this, window, cx| {
7117 let buffer = this.buffer.update(cx, |buffer, cx| {
7118 buffer.edit(edits, None, cx);
7119 buffer.snapshot(cx)
7120 });
7121
7122 // Recalculate offsets on newly edited buffer
7123 let new_selections = new_selections
7124 .iter()
7125 .map(|s| {
7126 let start_point = Point::new(s.start.0, 0);
7127 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
7128 Selection {
7129 id: s.id,
7130 start: buffer.point_to_offset(start_point),
7131 end: buffer.point_to_offset(end_point),
7132 goal: s.goal,
7133 reversed: s.reversed,
7134 }
7135 })
7136 .collect();
7137
7138 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7139 s.select(new_selections);
7140 });
7141
7142 this.request_autoscroll(Autoscroll::fit(), cx);
7143 });
7144 }
7145
7146 pub fn convert_to_upper_case(
7147 &mut self,
7148 _: &ConvertToUpperCase,
7149 window: &mut Window,
7150 cx: &mut Context<Self>,
7151 ) {
7152 self.manipulate_text(window, cx, |text| text.to_uppercase())
7153 }
7154
7155 pub fn convert_to_lower_case(
7156 &mut self,
7157 _: &ConvertToLowerCase,
7158 window: &mut Window,
7159 cx: &mut Context<Self>,
7160 ) {
7161 self.manipulate_text(window, cx, |text| text.to_lowercase())
7162 }
7163
7164 pub fn convert_to_title_case(
7165 &mut self,
7166 _: &ConvertToTitleCase,
7167 window: &mut Window,
7168 cx: &mut Context<Self>,
7169 ) {
7170 self.manipulate_text(window, cx, |text| {
7171 text.split('\n')
7172 .map(|line| line.to_case(Case::Title))
7173 .join("\n")
7174 })
7175 }
7176
7177 pub fn convert_to_snake_case(
7178 &mut self,
7179 _: &ConvertToSnakeCase,
7180 window: &mut Window,
7181 cx: &mut Context<Self>,
7182 ) {
7183 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
7184 }
7185
7186 pub fn convert_to_kebab_case(
7187 &mut self,
7188 _: &ConvertToKebabCase,
7189 window: &mut Window,
7190 cx: &mut Context<Self>,
7191 ) {
7192 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
7193 }
7194
7195 pub fn convert_to_upper_camel_case(
7196 &mut self,
7197 _: &ConvertToUpperCamelCase,
7198 window: &mut Window,
7199 cx: &mut Context<Self>,
7200 ) {
7201 self.manipulate_text(window, cx, |text| {
7202 text.split('\n')
7203 .map(|line| line.to_case(Case::UpperCamel))
7204 .join("\n")
7205 })
7206 }
7207
7208 pub fn convert_to_lower_camel_case(
7209 &mut self,
7210 _: &ConvertToLowerCamelCase,
7211 window: &mut Window,
7212 cx: &mut Context<Self>,
7213 ) {
7214 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
7215 }
7216
7217 pub fn convert_to_opposite_case(
7218 &mut self,
7219 _: &ConvertToOppositeCase,
7220 window: &mut Window,
7221 cx: &mut Context<Self>,
7222 ) {
7223 self.manipulate_text(window, cx, |text| {
7224 text.chars()
7225 .fold(String::with_capacity(text.len()), |mut t, c| {
7226 if c.is_uppercase() {
7227 t.extend(c.to_lowercase());
7228 } else {
7229 t.extend(c.to_uppercase());
7230 }
7231 t
7232 })
7233 })
7234 }
7235
7236 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
7237 where
7238 Fn: FnMut(&str) -> String,
7239 {
7240 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7241 let buffer = self.buffer.read(cx).snapshot(cx);
7242
7243 let mut new_selections = Vec::new();
7244 let mut edits = Vec::new();
7245 let mut selection_adjustment = 0i32;
7246
7247 for selection in self.selections.all::<usize>(cx) {
7248 let selection_is_empty = selection.is_empty();
7249
7250 let (start, end) = if selection_is_empty {
7251 let word_range = movement::surrounding_word(
7252 &display_map,
7253 selection.start.to_display_point(&display_map),
7254 );
7255 let start = word_range.start.to_offset(&display_map, Bias::Left);
7256 let end = word_range.end.to_offset(&display_map, Bias::Left);
7257 (start, end)
7258 } else {
7259 (selection.start, selection.end)
7260 };
7261
7262 let text = buffer.text_for_range(start..end).collect::<String>();
7263 let old_length = text.len() as i32;
7264 let text = callback(&text);
7265
7266 new_selections.push(Selection {
7267 start: (start as i32 - selection_adjustment) as usize,
7268 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
7269 goal: SelectionGoal::None,
7270 ..selection
7271 });
7272
7273 selection_adjustment += old_length - text.len() as i32;
7274
7275 edits.push((start..end, text));
7276 }
7277
7278 self.transact(window, cx, |this, window, cx| {
7279 this.buffer.update(cx, |buffer, cx| {
7280 buffer.edit(edits, None, cx);
7281 });
7282
7283 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7284 s.select(new_selections);
7285 });
7286
7287 this.request_autoscroll(Autoscroll::fit(), cx);
7288 });
7289 }
7290
7291 pub fn duplicate(
7292 &mut self,
7293 upwards: bool,
7294 whole_lines: bool,
7295 window: &mut Window,
7296 cx: &mut Context<Self>,
7297 ) {
7298 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7299 let buffer = &display_map.buffer_snapshot;
7300 let selections = self.selections.all::<Point>(cx);
7301
7302 let mut edits = Vec::new();
7303 let mut selections_iter = selections.iter().peekable();
7304 while let Some(selection) = selections_iter.next() {
7305 let mut rows = selection.spanned_rows(false, &display_map);
7306 // duplicate line-wise
7307 if whole_lines || selection.start == selection.end {
7308 // Avoid duplicating the same lines twice.
7309 while let Some(next_selection) = selections_iter.peek() {
7310 let next_rows = next_selection.spanned_rows(false, &display_map);
7311 if next_rows.start < rows.end {
7312 rows.end = next_rows.end;
7313 selections_iter.next().unwrap();
7314 } else {
7315 break;
7316 }
7317 }
7318
7319 // Copy the text from the selected row region and splice it either at the start
7320 // or end of the region.
7321 let start = Point::new(rows.start.0, 0);
7322 let end = Point::new(
7323 rows.end.previous_row().0,
7324 buffer.line_len(rows.end.previous_row()),
7325 );
7326 let text = buffer
7327 .text_for_range(start..end)
7328 .chain(Some("\n"))
7329 .collect::<String>();
7330 let insert_location = if upwards {
7331 Point::new(rows.end.0, 0)
7332 } else {
7333 start
7334 };
7335 edits.push((insert_location..insert_location, text));
7336 } else {
7337 // duplicate character-wise
7338 let start = selection.start;
7339 let end = selection.end;
7340 let text = buffer.text_for_range(start..end).collect::<String>();
7341 edits.push((selection.end..selection.end, text));
7342 }
7343 }
7344
7345 self.transact(window, cx, |this, _, cx| {
7346 this.buffer.update(cx, |buffer, cx| {
7347 buffer.edit(edits, None, cx);
7348 });
7349
7350 this.request_autoscroll(Autoscroll::fit(), cx);
7351 });
7352 }
7353
7354 pub fn duplicate_line_up(
7355 &mut self,
7356 _: &DuplicateLineUp,
7357 window: &mut Window,
7358 cx: &mut Context<Self>,
7359 ) {
7360 self.duplicate(true, true, window, cx);
7361 }
7362
7363 pub fn duplicate_line_down(
7364 &mut self,
7365 _: &DuplicateLineDown,
7366 window: &mut Window,
7367 cx: &mut Context<Self>,
7368 ) {
7369 self.duplicate(false, true, window, cx);
7370 }
7371
7372 pub fn duplicate_selection(
7373 &mut self,
7374 _: &DuplicateSelection,
7375 window: &mut Window,
7376 cx: &mut Context<Self>,
7377 ) {
7378 self.duplicate(false, false, window, cx);
7379 }
7380
7381 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
7382 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7383 let buffer = self.buffer.read(cx).snapshot(cx);
7384
7385 let mut edits = Vec::new();
7386 let mut unfold_ranges = Vec::new();
7387 let mut refold_creases = Vec::new();
7388
7389 let selections = self.selections.all::<Point>(cx);
7390 let mut selections = selections.iter().peekable();
7391 let mut contiguous_row_selections = Vec::new();
7392 let mut new_selections = Vec::new();
7393
7394 while let Some(selection) = selections.next() {
7395 // Find all the selections that span a contiguous row range
7396 let (start_row, end_row) = consume_contiguous_rows(
7397 &mut contiguous_row_selections,
7398 selection,
7399 &display_map,
7400 &mut selections,
7401 );
7402
7403 // Move the text spanned by the row range to be before the line preceding the row range
7404 if start_row.0 > 0 {
7405 let range_to_move = Point::new(
7406 start_row.previous_row().0,
7407 buffer.line_len(start_row.previous_row()),
7408 )
7409 ..Point::new(
7410 end_row.previous_row().0,
7411 buffer.line_len(end_row.previous_row()),
7412 );
7413 let insertion_point = display_map
7414 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
7415 .0;
7416
7417 // Don't move lines across excerpts
7418 if buffer
7419 .excerpt_containing(insertion_point..range_to_move.end)
7420 .is_some()
7421 {
7422 let text = buffer
7423 .text_for_range(range_to_move.clone())
7424 .flat_map(|s| s.chars())
7425 .skip(1)
7426 .chain(['\n'])
7427 .collect::<String>();
7428
7429 edits.push((
7430 buffer.anchor_after(range_to_move.start)
7431 ..buffer.anchor_before(range_to_move.end),
7432 String::new(),
7433 ));
7434 let insertion_anchor = buffer.anchor_after(insertion_point);
7435 edits.push((insertion_anchor..insertion_anchor, text));
7436
7437 let row_delta = range_to_move.start.row - insertion_point.row + 1;
7438
7439 // Move selections up
7440 new_selections.extend(contiguous_row_selections.drain(..).map(
7441 |mut selection| {
7442 selection.start.row -= row_delta;
7443 selection.end.row -= row_delta;
7444 selection
7445 },
7446 ));
7447
7448 // Move folds up
7449 unfold_ranges.push(range_to_move.clone());
7450 for fold in display_map.folds_in_range(
7451 buffer.anchor_before(range_to_move.start)
7452 ..buffer.anchor_after(range_to_move.end),
7453 ) {
7454 let mut start = fold.range.start.to_point(&buffer);
7455 let mut end = fold.range.end.to_point(&buffer);
7456 start.row -= row_delta;
7457 end.row -= row_delta;
7458 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7459 }
7460 }
7461 }
7462
7463 // If we didn't move line(s), preserve the existing selections
7464 new_selections.append(&mut contiguous_row_selections);
7465 }
7466
7467 self.transact(window, cx, |this, window, cx| {
7468 this.unfold_ranges(&unfold_ranges, true, true, cx);
7469 this.buffer.update(cx, |buffer, cx| {
7470 for (range, text) in edits {
7471 buffer.edit([(range, text)], None, cx);
7472 }
7473 });
7474 this.fold_creases(refold_creases, true, window, cx);
7475 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7476 s.select(new_selections);
7477 })
7478 });
7479 }
7480
7481 pub fn move_line_down(
7482 &mut self,
7483 _: &MoveLineDown,
7484 window: &mut Window,
7485 cx: &mut Context<Self>,
7486 ) {
7487 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7488 let buffer = self.buffer.read(cx).snapshot(cx);
7489
7490 let mut edits = Vec::new();
7491 let mut unfold_ranges = Vec::new();
7492 let mut refold_creases = Vec::new();
7493
7494 let selections = self.selections.all::<Point>(cx);
7495 let mut selections = selections.iter().peekable();
7496 let mut contiguous_row_selections = Vec::new();
7497 let mut new_selections = Vec::new();
7498
7499 while let Some(selection) = selections.next() {
7500 // Find all the selections that span a contiguous row range
7501 let (start_row, end_row) = consume_contiguous_rows(
7502 &mut contiguous_row_selections,
7503 selection,
7504 &display_map,
7505 &mut selections,
7506 );
7507
7508 // Move the text spanned by the row range to be after the last line of the row range
7509 if end_row.0 <= buffer.max_point().row {
7510 let range_to_move =
7511 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
7512 let insertion_point = display_map
7513 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
7514 .0;
7515
7516 // Don't move lines across excerpt boundaries
7517 if buffer
7518 .excerpt_containing(range_to_move.start..insertion_point)
7519 .is_some()
7520 {
7521 let mut text = String::from("\n");
7522 text.extend(buffer.text_for_range(range_to_move.clone()));
7523 text.pop(); // Drop trailing newline
7524 edits.push((
7525 buffer.anchor_after(range_to_move.start)
7526 ..buffer.anchor_before(range_to_move.end),
7527 String::new(),
7528 ));
7529 let insertion_anchor = buffer.anchor_after(insertion_point);
7530 edits.push((insertion_anchor..insertion_anchor, text));
7531
7532 let row_delta = insertion_point.row - range_to_move.end.row + 1;
7533
7534 // Move selections down
7535 new_selections.extend(contiguous_row_selections.drain(..).map(
7536 |mut selection| {
7537 selection.start.row += row_delta;
7538 selection.end.row += row_delta;
7539 selection
7540 },
7541 ));
7542
7543 // Move folds down
7544 unfold_ranges.push(range_to_move.clone());
7545 for fold in display_map.folds_in_range(
7546 buffer.anchor_before(range_to_move.start)
7547 ..buffer.anchor_after(range_to_move.end),
7548 ) {
7549 let mut start = fold.range.start.to_point(&buffer);
7550 let mut end = fold.range.end.to_point(&buffer);
7551 start.row += row_delta;
7552 end.row += row_delta;
7553 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7554 }
7555 }
7556 }
7557
7558 // If we didn't move line(s), preserve the existing selections
7559 new_selections.append(&mut contiguous_row_selections);
7560 }
7561
7562 self.transact(window, cx, |this, window, cx| {
7563 this.unfold_ranges(&unfold_ranges, true, true, cx);
7564 this.buffer.update(cx, |buffer, cx| {
7565 for (range, text) in edits {
7566 buffer.edit([(range, text)], None, cx);
7567 }
7568 });
7569 this.fold_creases(refold_creases, true, window, cx);
7570 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7571 s.select(new_selections)
7572 });
7573 });
7574 }
7575
7576 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
7577 let text_layout_details = &self.text_layout_details(window);
7578 self.transact(window, cx, |this, window, cx| {
7579 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7580 let mut edits: Vec<(Range<usize>, String)> = Default::default();
7581 let line_mode = s.line_mode;
7582 s.move_with(|display_map, selection| {
7583 if !selection.is_empty() || line_mode {
7584 return;
7585 }
7586
7587 let mut head = selection.head();
7588 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
7589 if head.column() == display_map.line_len(head.row()) {
7590 transpose_offset = display_map
7591 .buffer_snapshot
7592 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7593 }
7594
7595 if transpose_offset == 0 {
7596 return;
7597 }
7598
7599 *head.column_mut() += 1;
7600 head = display_map.clip_point(head, Bias::Right);
7601 let goal = SelectionGoal::HorizontalPosition(
7602 display_map
7603 .x_for_display_point(head, text_layout_details)
7604 .into(),
7605 );
7606 selection.collapse_to(head, goal);
7607
7608 let transpose_start = display_map
7609 .buffer_snapshot
7610 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7611 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7612 let transpose_end = display_map
7613 .buffer_snapshot
7614 .clip_offset(transpose_offset + 1, Bias::Right);
7615 if let Some(ch) =
7616 display_map.buffer_snapshot.chars_at(transpose_start).next()
7617 {
7618 edits.push((transpose_start..transpose_offset, String::new()));
7619 edits.push((transpose_end..transpose_end, ch.to_string()));
7620 }
7621 }
7622 });
7623 edits
7624 });
7625 this.buffer
7626 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7627 let selections = this.selections.all::<usize>(cx);
7628 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7629 s.select(selections);
7630 });
7631 });
7632 }
7633
7634 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7635 self.rewrap_impl(IsVimMode::No, cx)
7636 }
7637
7638 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7639 let buffer = self.buffer.read(cx).snapshot(cx);
7640 let selections = self.selections.all::<Point>(cx);
7641 let mut selections = selections.iter().peekable();
7642
7643 let mut edits = Vec::new();
7644 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7645
7646 while let Some(selection) = selections.next() {
7647 let mut start_row = selection.start.row;
7648 let mut end_row = selection.end.row;
7649
7650 // Skip selections that overlap with a range that has already been rewrapped.
7651 let selection_range = start_row..end_row;
7652 if rewrapped_row_ranges
7653 .iter()
7654 .any(|range| range.overlaps(&selection_range))
7655 {
7656 continue;
7657 }
7658
7659 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7660
7661 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7662 match language_scope.language_name().as_ref() {
7663 "Markdown" | "Plain Text" => {
7664 should_rewrap = true;
7665 }
7666 _ => {}
7667 }
7668 }
7669
7670 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7671
7672 // Since not all lines in the selection may be at the same indent
7673 // level, choose the indent size that is the most common between all
7674 // of the lines.
7675 //
7676 // If there is a tie, we use the deepest indent.
7677 let (indent_size, indent_end) = {
7678 let mut indent_size_occurrences = HashMap::default();
7679 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7680
7681 for row in start_row..=end_row {
7682 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7683 rows_by_indent_size.entry(indent).or_default().push(row);
7684 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7685 }
7686
7687 let indent_size = indent_size_occurrences
7688 .into_iter()
7689 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7690 .map(|(indent, _)| indent)
7691 .unwrap_or_default();
7692 let row = rows_by_indent_size[&indent_size][0];
7693 let indent_end = Point::new(row, indent_size.len);
7694
7695 (indent_size, indent_end)
7696 };
7697
7698 let mut line_prefix = indent_size.chars().collect::<String>();
7699
7700 if let Some(comment_prefix) =
7701 buffer
7702 .language_scope_at(selection.head())
7703 .and_then(|language| {
7704 language
7705 .line_comment_prefixes()
7706 .iter()
7707 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7708 .cloned()
7709 })
7710 {
7711 line_prefix.push_str(&comment_prefix);
7712 should_rewrap = true;
7713 }
7714
7715 if !should_rewrap {
7716 continue;
7717 }
7718
7719 if selection.is_empty() {
7720 'expand_upwards: while start_row > 0 {
7721 let prev_row = start_row - 1;
7722 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7723 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7724 {
7725 start_row = prev_row;
7726 } else {
7727 break 'expand_upwards;
7728 }
7729 }
7730
7731 'expand_downwards: while end_row < buffer.max_point().row {
7732 let next_row = end_row + 1;
7733 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7734 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7735 {
7736 end_row = next_row;
7737 } else {
7738 break 'expand_downwards;
7739 }
7740 }
7741 }
7742
7743 let start = Point::new(start_row, 0);
7744 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7745 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7746 let Some(lines_without_prefixes) = selection_text
7747 .lines()
7748 .map(|line| {
7749 line.strip_prefix(&line_prefix)
7750 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7751 .ok_or_else(|| {
7752 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7753 })
7754 })
7755 .collect::<Result<Vec<_>, _>>()
7756 .log_err()
7757 else {
7758 continue;
7759 };
7760
7761 let wrap_column = buffer
7762 .settings_at(Point::new(start_row, 0), cx)
7763 .preferred_line_length as usize;
7764 let wrapped_text = wrap_with_prefix(
7765 line_prefix,
7766 lines_without_prefixes.join(" "),
7767 wrap_column,
7768 tab_size,
7769 );
7770
7771 // TODO: should always use char-based diff while still supporting cursor behavior that
7772 // matches vim.
7773 let diff = match is_vim_mode {
7774 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7775 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7776 };
7777 let mut offset = start.to_offset(&buffer);
7778 let mut moved_since_edit = true;
7779
7780 for change in diff.iter_all_changes() {
7781 let value = change.value();
7782 match change.tag() {
7783 ChangeTag::Equal => {
7784 offset += value.len();
7785 moved_since_edit = true;
7786 }
7787 ChangeTag::Delete => {
7788 let start = buffer.anchor_after(offset);
7789 let end = buffer.anchor_before(offset + value.len());
7790
7791 if moved_since_edit {
7792 edits.push((start..end, String::new()));
7793 } else {
7794 edits.last_mut().unwrap().0.end = end;
7795 }
7796
7797 offset += value.len();
7798 moved_since_edit = false;
7799 }
7800 ChangeTag::Insert => {
7801 if moved_since_edit {
7802 let anchor = buffer.anchor_after(offset);
7803 edits.push((anchor..anchor, value.to_string()));
7804 } else {
7805 edits.last_mut().unwrap().1.push_str(value);
7806 }
7807
7808 moved_since_edit = false;
7809 }
7810 }
7811 }
7812
7813 rewrapped_row_ranges.push(start_row..=end_row);
7814 }
7815
7816 self.buffer
7817 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7818 }
7819
7820 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7821 let mut text = String::new();
7822 let buffer = self.buffer.read(cx).snapshot(cx);
7823 let mut selections = self.selections.all::<Point>(cx);
7824 let mut clipboard_selections = Vec::with_capacity(selections.len());
7825 {
7826 let max_point = buffer.max_point();
7827 let mut is_first = true;
7828 for selection in &mut selections {
7829 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7830 if is_entire_line {
7831 selection.start = Point::new(selection.start.row, 0);
7832 if !selection.is_empty() && selection.end.column == 0 {
7833 selection.end = cmp::min(max_point, selection.end);
7834 } else {
7835 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7836 }
7837 selection.goal = SelectionGoal::None;
7838 }
7839 if is_first {
7840 is_first = false;
7841 } else {
7842 text += "\n";
7843 }
7844 let mut len = 0;
7845 for chunk in buffer.text_for_range(selection.start..selection.end) {
7846 text.push_str(chunk);
7847 len += chunk.len();
7848 }
7849 clipboard_selections.push(ClipboardSelection {
7850 len,
7851 is_entire_line,
7852 first_line_indent: buffer
7853 .indent_size_for_line(MultiBufferRow(selection.start.row))
7854 .len,
7855 });
7856 }
7857 }
7858
7859 self.transact(window, cx, |this, window, cx| {
7860 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7861 s.select(selections);
7862 });
7863 this.insert("", window, cx);
7864 });
7865 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7866 }
7867
7868 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7869 let item = self.cut_common(window, cx);
7870 cx.write_to_clipboard(item);
7871 }
7872
7873 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7874 self.change_selections(None, window, cx, |s| {
7875 s.move_with(|snapshot, sel| {
7876 if sel.is_empty() {
7877 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7878 }
7879 });
7880 });
7881 let item = self.cut_common(window, cx);
7882 cx.set_global(KillRing(item))
7883 }
7884
7885 pub fn kill_ring_yank(
7886 &mut self,
7887 _: &KillRingYank,
7888 window: &mut Window,
7889 cx: &mut Context<Self>,
7890 ) {
7891 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7892 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7893 (kill_ring.text().to_string(), kill_ring.metadata_json())
7894 } else {
7895 return;
7896 }
7897 } else {
7898 return;
7899 };
7900 self.do_paste(&text, metadata, false, window, cx);
7901 }
7902
7903 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7904 let selections = self.selections.all::<Point>(cx);
7905 let buffer = self.buffer.read(cx).read(cx);
7906 let mut text = String::new();
7907
7908 let mut clipboard_selections = Vec::with_capacity(selections.len());
7909 {
7910 let max_point = buffer.max_point();
7911 let mut is_first = true;
7912 for selection in selections.iter() {
7913 let mut start = selection.start;
7914 let mut end = selection.end;
7915 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7916 if is_entire_line {
7917 start = Point::new(start.row, 0);
7918 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7919 }
7920 if is_first {
7921 is_first = false;
7922 } else {
7923 text += "\n";
7924 }
7925 let mut len = 0;
7926 for chunk in buffer.text_for_range(start..end) {
7927 text.push_str(chunk);
7928 len += chunk.len();
7929 }
7930 clipboard_selections.push(ClipboardSelection {
7931 len,
7932 is_entire_line,
7933 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7934 });
7935 }
7936 }
7937
7938 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7939 text,
7940 clipboard_selections,
7941 ));
7942 }
7943
7944 pub fn do_paste(
7945 &mut self,
7946 text: &String,
7947 clipboard_selections: Option<Vec<ClipboardSelection>>,
7948 handle_entire_lines: bool,
7949 window: &mut Window,
7950 cx: &mut Context<Self>,
7951 ) {
7952 if self.read_only(cx) {
7953 return;
7954 }
7955
7956 let clipboard_text = Cow::Borrowed(text);
7957
7958 self.transact(window, cx, |this, window, cx| {
7959 if let Some(mut clipboard_selections) = clipboard_selections {
7960 let old_selections = this.selections.all::<usize>(cx);
7961 let all_selections_were_entire_line =
7962 clipboard_selections.iter().all(|s| s.is_entire_line);
7963 let first_selection_indent_column =
7964 clipboard_selections.first().map(|s| s.first_line_indent);
7965 if clipboard_selections.len() != old_selections.len() {
7966 clipboard_selections.drain(..);
7967 }
7968 let cursor_offset = this.selections.last::<usize>(cx).head();
7969 let mut auto_indent_on_paste = true;
7970
7971 this.buffer.update(cx, |buffer, cx| {
7972 let snapshot = buffer.read(cx);
7973 auto_indent_on_paste =
7974 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7975
7976 let mut start_offset = 0;
7977 let mut edits = Vec::new();
7978 let mut original_indent_columns = Vec::new();
7979 for (ix, selection) in old_selections.iter().enumerate() {
7980 let to_insert;
7981 let entire_line;
7982 let original_indent_column;
7983 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7984 let end_offset = start_offset + clipboard_selection.len;
7985 to_insert = &clipboard_text[start_offset..end_offset];
7986 entire_line = clipboard_selection.is_entire_line;
7987 start_offset = end_offset + 1;
7988 original_indent_column = Some(clipboard_selection.first_line_indent);
7989 } else {
7990 to_insert = clipboard_text.as_str();
7991 entire_line = all_selections_were_entire_line;
7992 original_indent_column = first_selection_indent_column
7993 }
7994
7995 // If the corresponding selection was empty when this slice of the
7996 // clipboard text was written, then the entire line containing the
7997 // selection was copied. If this selection is also currently empty,
7998 // then paste the line before the current line of the buffer.
7999 let range = if selection.is_empty() && handle_entire_lines && entire_line {
8000 let column = selection.start.to_point(&snapshot).column as usize;
8001 let line_start = selection.start - column;
8002 line_start..line_start
8003 } else {
8004 selection.range()
8005 };
8006
8007 edits.push((range, to_insert));
8008 original_indent_columns.extend(original_indent_column);
8009 }
8010 drop(snapshot);
8011
8012 buffer.edit(
8013 edits,
8014 if auto_indent_on_paste {
8015 Some(AutoindentMode::Block {
8016 original_indent_columns,
8017 })
8018 } else {
8019 None
8020 },
8021 cx,
8022 );
8023 });
8024
8025 let selections = this.selections.all::<usize>(cx);
8026 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8027 s.select(selections)
8028 });
8029 } else {
8030 this.insert(&clipboard_text, window, cx);
8031 }
8032 });
8033 }
8034
8035 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
8036 if let Some(item) = cx.read_from_clipboard() {
8037 let entries = item.entries();
8038
8039 match entries.first() {
8040 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
8041 // of all the pasted entries.
8042 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
8043 .do_paste(
8044 clipboard_string.text(),
8045 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
8046 true,
8047 window,
8048 cx,
8049 ),
8050 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
8051 }
8052 }
8053 }
8054
8055 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
8056 if self.read_only(cx) {
8057 return;
8058 }
8059
8060 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
8061 if let Some((selections, _)) =
8062 self.selection_history.transaction(transaction_id).cloned()
8063 {
8064 self.change_selections(None, window, cx, |s| {
8065 s.select_anchors(selections.to_vec());
8066 });
8067 }
8068 self.request_autoscroll(Autoscroll::fit(), cx);
8069 self.unmark_text(window, cx);
8070 self.refresh_inline_completion(true, false, window, cx);
8071 cx.emit(EditorEvent::Edited { transaction_id });
8072 cx.emit(EditorEvent::TransactionUndone { transaction_id });
8073 }
8074 }
8075
8076 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
8077 if self.read_only(cx) {
8078 return;
8079 }
8080
8081 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
8082 if let Some((_, Some(selections))) =
8083 self.selection_history.transaction(transaction_id).cloned()
8084 {
8085 self.change_selections(None, window, cx, |s| {
8086 s.select_anchors(selections.to_vec());
8087 });
8088 }
8089 self.request_autoscroll(Autoscroll::fit(), cx);
8090 self.unmark_text(window, cx);
8091 self.refresh_inline_completion(true, false, window, cx);
8092 cx.emit(EditorEvent::Edited { transaction_id });
8093 }
8094 }
8095
8096 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
8097 self.buffer
8098 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
8099 }
8100
8101 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
8102 self.buffer
8103 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
8104 }
8105
8106 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
8107 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8108 let line_mode = s.line_mode;
8109 s.move_with(|map, selection| {
8110 let cursor = if selection.is_empty() && !line_mode {
8111 movement::left(map, selection.start)
8112 } else {
8113 selection.start
8114 };
8115 selection.collapse_to(cursor, SelectionGoal::None);
8116 });
8117 })
8118 }
8119
8120 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
8121 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8122 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
8123 })
8124 }
8125
8126 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
8127 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8128 let line_mode = s.line_mode;
8129 s.move_with(|map, selection| {
8130 let cursor = if selection.is_empty() && !line_mode {
8131 movement::right(map, selection.end)
8132 } else {
8133 selection.end
8134 };
8135 selection.collapse_to(cursor, SelectionGoal::None)
8136 });
8137 })
8138 }
8139
8140 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
8141 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8142 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
8143 })
8144 }
8145
8146 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
8147 if self.take_rename(true, window, cx).is_some() {
8148 return;
8149 }
8150
8151 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8152 cx.propagate();
8153 return;
8154 }
8155
8156 let text_layout_details = &self.text_layout_details(window);
8157 let selection_count = self.selections.count();
8158 let first_selection = self.selections.first_anchor();
8159
8160 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8161 let line_mode = s.line_mode;
8162 s.move_with(|map, selection| {
8163 if !selection.is_empty() && !line_mode {
8164 selection.goal = SelectionGoal::None;
8165 }
8166 let (cursor, goal) = movement::up(
8167 map,
8168 selection.start,
8169 selection.goal,
8170 false,
8171 text_layout_details,
8172 );
8173 selection.collapse_to(cursor, goal);
8174 });
8175 });
8176
8177 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8178 {
8179 cx.propagate();
8180 }
8181 }
8182
8183 pub fn move_up_by_lines(
8184 &mut self,
8185 action: &MoveUpByLines,
8186 window: &mut Window,
8187 cx: &mut Context<Self>,
8188 ) {
8189 if self.take_rename(true, window, cx).is_some() {
8190 return;
8191 }
8192
8193 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8194 cx.propagate();
8195 return;
8196 }
8197
8198 let text_layout_details = &self.text_layout_details(window);
8199
8200 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8201 let line_mode = s.line_mode;
8202 s.move_with(|map, selection| {
8203 if !selection.is_empty() && !line_mode {
8204 selection.goal = SelectionGoal::None;
8205 }
8206 let (cursor, goal) = movement::up_by_rows(
8207 map,
8208 selection.start,
8209 action.lines,
8210 selection.goal,
8211 false,
8212 text_layout_details,
8213 );
8214 selection.collapse_to(cursor, goal);
8215 });
8216 })
8217 }
8218
8219 pub fn move_down_by_lines(
8220 &mut self,
8221 action: &MoveDownByLines,
8222 window: &mut Window,
8223 cx: &mut Context<Self>,
8224 ) {
8225 if self.take_rename(true, window, cx).is_some() {
8226 return;
8227 }
8228
8229 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8230 cx.propagate();
8231 return;
8232 }
8233
8234 let text_layout_details = &self.text_layout_details(window);
8235
8236 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8237 let line_mode = s.line_mode;
8238 s.move_with(|map, selection| {
8239 if !selection.is_empty() && !line_mode {
8240 selection.goal = SelectionGoal::None;
8241 }
8242 let (cursor, goal) = movement::down_by_rows(
8243 map,
8244 selection.start,
8245 action.lines,
8246 selection.goal,
8247 false,
8248 text_layout_details,
8249 );
8250 selection.collapse_to(cursor, goal);
8251 });
8252 })
8253 }
8254
8255 pub fn select_down_by_lines(
8256 &mut self,
8257 action: &SelectDownByLines,
8258 window: &mut Window,
8259 cx: &mut Context<Self>,
8260 ) {
8261 let text_layout_details = &self.text_layout_details(window);
8262 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8263 s.move_heads_with(|map, head, goal| {
8264 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
8265 })
8266 })
8267 }
8268
8269 pub fn select_up_by_lines(
8270 &mut self,
8271 action: &SelectUpByLines,
8272 window: &mut Window,
8273 cx: &mut Context<Self>,
8274 ) {
8275 let text_layout_details = &self.text_layout_details(window);
8276 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8277 s.move_heads_with(|map, head, goal| {
8278 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
8279 })
8280 })
8281 }
8282
8283 pub fn select_page_up(
8284 &mut self,
8285 _: &SelectPageUp,
8286 window: &mut Window,
8287 cx: &mut Context<Self>,
8288 ) {
8289 let Some(row_count) = self.visible_row_count() else {
8290 return;
8291 };
8292
8293 let text_layout_details = &self.text_layout_details(window);
8294
8295 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8296 s.move_heads_with(|map, head, goal| {
8297 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
8298 })
8299 })
8300 }
8301
8302 pub fn move_page_up(
8303 &mut self,
8304 action: &MovePageUp,
8305 window: &mut Window,
8306 cx: &mut Context<Self>,
8307 ) {
8308 if self.take_rename(true, window, cx).is_some() {
8309 return;
8310 }
8311
8312 if self
8313 .context_menu
8314 .borrow_mut()
8315 .as_mut()
8316 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
8317 .unwrap_or(false)
8318 {
8319 return;
8320 }
8321
8322 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8323 cx.propagate();
8324 return;
8325 }
8326
8327 let Some(row_count) = self.visible_row_count() else {
8328 return;
8329 };
8330
8331 let autoscroll = if action.center_cursor {
8332 Autoscroll::center()
8333 } else {
8334 Autoscroll::fit()
8335 };
8336
8337 let text_layout_details = &self.text_layout_details(window);
8338
8339 self.change_selections(Some(autoscroll), window, cx, |s| {
8340 let line_mode = s.line_mode;
8341 s.move_with(|map, selection| {
8342 if !selection.is_empty() && !line_mode {
8343 selection.goal = SelectionGoal::None;
8344 }
8345 let (cursor, goal) = movement::up_by_rows(
8346 map,
8347 selection.end,
8348 row_count,
8349 selection.goal,
8350 false,
8351 text_layout_details,
8352 );
8353 selection.collapse_to(cursor, goal);
8354 });
8355 });
8356 }
8357
8358 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
8359 let text_layout_details = &self.text_layout_details(window);
8360 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8361 s.move_heads_with(|map, head, goal| {
8362 movement::up(map, head, goal, false, text_layout_details)
8363 })
8364 })
8365 }
8366
8367 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
8368 self.take_rename(true, window, cx);
8369
8370 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8371 cx.propagate();
8372 return;
8373 }
8374
8375 let text_layout_details = &self.text_layout_details(window);
8376 let selection_count = self.selections.count();
8377 let first_selection = self.selections.first_anchor();
8378
8379 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8380 let line_mode = s.line_mode;
8381 s.move_with(|map, selection| {
8382 if !selection.is_empty() && !line_mode {
8383 selection.goal = SelectionGoal::None;
8384 }
8385 let (cursor, goal) = movement::down(
8386 map,
8387 selection.end,
8388 selection.goal,
8389 false,
8390 text_layout_details,
8391 );
8392 selection.collapse_to(cursor, goal);
8393 });
8394 });
8395
8396 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8397 {
8398 cx.propagate();
8399 }
8400 }
8401
8402 pub fn select_page_down(
8403 &mut self,
8404 _: &SelectPageDown,
8405 window: &mut Window,
8406 cx: &mut Context<Self>,
8407 ) {
8408 let Some(row_count) = self.visible_row_count() else {
8409 return;
8410 };
8411
8412 let text_layout_details = &self.text_layout_details(window);
8413
8414 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8415 s.move_heads_with(|map, head, goal| {
8416 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
8417 })
8418 })
8419 }
8420
8421 pub fn move_page_down(
8422 &mut self,
8423 action: &MovePageDown,
8424 window: &mut Window,
8425 cx: &mut Context<Self>,
8426 ) {
8427 if self.take_rename(true, window, cx).is_some() {
8428 return;
8429 }
8430
8431 if self
8432 .context_menu
8433 .borrow_mut()
8434 .as_mut()
8435 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
8436 .unwrap_or(false)
8437 {
8438 return;
8439 }
8440
8441 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8442 cx.propagate();
8443 return;
8444 }
8445
8446 let Some(row_count) = self.visible_row_count() else {
8447 return;
8448 };
8449
8450 let autoscroll = if action.center_cursor {
8451 Autoscroll::center()
8452 } else {
8453 Autoscroll::fit()
8454 };
8455
8456 let text_layout_details = &self.text_layout_details(window);
8457 self.change_selections(Some(autoscroll), window, cx, |s| {
8458 let line_mode = s.line_mode;
8459 s.move_with(|map, selection| {
8460 if !selection.is_empty() && !line_mode {
8461 selection.goal = SelectionGoal::None;
8462 }
8463 let (cursor, goal) = movement::down_by_rows(
8464 map,
8465 selection.end,
8466 row_count,
8467 selection.goal,
8468 false,
8469 text_layout_details,
8470 );
8471 selection.collapse_to(cursor, goal);
8472 });
8473 });
8474 }
8475
8476 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
8477 let text_layout_details = &self.text_layout_details(window);
8478 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8479 s.move_heads_with(|map, head, goal| {
8480 movement::down(map, head, goal, false, text_layout_details)
8481 })
8482 });
8483 }
8484
8485 pub fn context_menu_first(
8486 &mut self,
8487 _: &ContextMenuFirst,
8488 _window: &mut Window,
8489 cx: &mut Context<Self>,
8490 ) {
8491 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8492 context_menu.select_first(self.completion_provider.as_deref(), cx);
8493 }
8494 }
8495
8496 pub fn context_menu_prev(
8497 &mut self,
8498 _: &ContextMenuPrev,
8499 _window: &mut Window,
8500 cx: &mut Context<Self>,
8501 ) {
8502 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8503 context_menu.select_prev(self.completion_provider.as_deref(), cx);
8504 }
8505 }
8506
8507 pub fn context_menu_next(
8508 &mut self,
8509 _: &ContextMenuNext,
8510 _window: &mut Window,
8511 cx: &mut Context<Self>,
8512 ) {
8513 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8514 context_menu.select_next(self.completion_provider.as_deref(), cx);
8515 }
8516 }
8517
8518 pub fn context_menu_last(
8519 &mut self,
8520 _: &ContextMenuLast,
8521 _window: &mut Window,
8522 cx: &mut Context<Self>,
8523 ) {
8524 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8525 context_menu.select_last(self.completion_provider.as_deref(), cx);
8526 }
8527 }
8528
8529 pub fn move_to_previous_word_start(
8530 &mut self,
8531 _: &MoveToPreviousWordStart,
8532 window: &mut Window,
8533 cx: &mut Context<Self>,
8534 ) {
8535 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8536 s.move_cursors_with(|map, head, _| {
8537 (
8538 movement::previous_word_start(map, head),
8539 SelectionGoal::None,
8540 )
8541 });
8542 })
8543 }
8544
8545 pub fn move_to_previous_subword_start(
8546 &mut self,
8547 _: &MoveToPreviousSubwordStart,
8548 window: &mut Window,
8549 cx: &mut Context<Self>,
8550 ) {
8551 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8552 s.move_cursors_with(|map, head, _| {
8553 (
8554 movement::previous_subword_start(map, head),
8555 SelectionGoal::None,
8556 )
8557 });
8558 })
8559 }
8560
8561 pub fn select_to_previous_word_start(
8562 &mut self,
8563 _: &SelectToPreviousWordStart,
8564 window: &mut Window,
8565 cx: &mut Context<Self>,
8566 ) {
8567 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8568 s.move_heads_with(|map, head, _| {
8569 (
8570 movement::previous_word_start(map, head),
8571 SelectionGoal::None,
8572 )
8573 });
8574 })
8575 }
8576
8577 pub fn select_to_previous_subword_start(
8578 &mut self,
8579 _: &SelectToPreviousSubwordStart,
8580 window: &mut Window,
8581 cx: &mut Context<Self>,
8582 ) {
8583 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8584 s.move_heads_with(|map, head, _| {
8585 (
8586 movement::previous_subword_start(map, head),
8587 SelectionGoal::None,
8588 )
8589 });
8590 })
8591 }
8592
8593 pub fn delete_to_previous_word_start(
8594 &mut self,
8595 action: &DeleteToPreviousWordStart,
8596 window: &mut Window,
8597 cx: &mut Context<Self>,
8598 ) {
8599 self.transact(window, cx, |this, window, cx| {
8600 this.select_autoclose_pair(window, cx);
8601 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8602 let line_mode = s.line_mode;
8603 s.move_with(|map, selection| {
8604 if selection.is_empty() && !line_mode {
8605 let cursor = if action.ignore_newlines {
8606 movement::previous_word_start(map, selection.head())
8607 } else {
8608 movement::previous_word_start_or_newline(map, selection.head())
8609 };
8610 selection.set_head(cursor, SelectionGoal::None);
8611 }
8612 });
8613 });
8614 this.insert("", window, cx);
8615 });
8616 }
8617
8618 pub fn delete_to_previous_subword_start(
8619 &mut self,
8620 _: &DeleteToPreviousSubwordStart,
8621 window: &mut Window,
8622 cx: &mut Context<Self>,
8623 ) {
8624 self.transact(window, cx, |this, window, cx| {
8625 this.select_autoclose_pair(window, cx);
8626 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8627 let line_mode = s.line_mode;
8628 s.move_with(|map, selection| {
8629 if selection.is_empty() && !line_mode {
8630 let cursor = movement::previous_subword_start(map, selection.head());
8631 selection.set_head(cursor, SelectionGoal::None);
8632 }
8633 });
8634 });
8635 this.insert("", window, cx);
8636 });
8637 }
8638
8639 pub fn move_to_next_word_end(
8640 &mut self,
8641 _: &MoveToNextWordEnd,
8642 window: &mut Window,
8643 cx: &mut Context<Self>,
8644 ) {
8645 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8646 s.move_cursors_with(|map, head, _| {
8647 (movement::next_word_end(map, head), SelectionGoal::None)
8648 });
8649 })
8650 }
8651
8652 pub fn move_to_next_subword_end(
8653 &mut self,
8654 _: &MoveToNextSubwordEnd,
8655 window: &mut Window,
8656 cx: &mut Context<Self>,
8657 ) {
8658 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8659 s.move_cursors_with(|map, head, _| {
8660 (movement::next_subword_end(map, head), SelectionGoal::None)
8661 });
8662 })
8663 }
8664
8665 pub fn select_to_next_word_end(
8666 &mut self,
8667 _: &SelectToNextWordEnd,
8668 window: &mut Window,
8669 cx: &mut Context<Self>,
8670 ) {
8671 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8672 s.move_heads_with(|map, head, _| {
8673 (movement::next_word_end(map, head), SelectionGoal::None)
8674 });
8675 })
8676 }
8677
8678 pub fn select_to_next_subword_end(
8679 &mut self,
8680 _: &SelectToNextSubwordEnd,
8681 window: &mut Window,
8682 cx: &mut Context<Self>,
8683 ) {
8684 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8685 s.move_heads_with(|map, head, _| {
8686 (movement::next_subword_end(map, head), SelectionGoal::None)
8687 });
8688 })
8689 }
8690
8691 pub fn delete_to_next_word_end(
8692 &mut self,
8693 action: &DeleteToNextWordEnd,
8694 window: &mut Window,
8695 cx: &mut Context<Self>,
8696 ) {
8697 self.transact(window, cx, |this, window, cx| {
8698 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8699 let line_mode = s.line_mode;
8700 s.move_with(|map, selection| {
8701 if selection.is_empty() && !line_mode {
8702 let cursor = if action.ignore_newlines {
8703 movement::next_word_end(map, selection.head())
8704 } else {
8705 movement::next_word_end_or_newline(map, selection.head())
8706 };
8707 selection.set_head(cursor, SelectionGoal::None);
8708 }
8709 });
8710 });
8711 this.insert("", window, cx);
8712 });
8713 }
8714
8715 pub fn delete_to_next_subword_end(
8716 &mut self,
8717 _: &DeleteToNextSubwordEnd,
8718 window: &mut Window,
8719 cx: &mut Context<Self>,
8720 ) {
8721 self.transact(window, cx, |this, window, cx| {
8722 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8723 s.move_with(|map, selection| {
8724 if selection.is_empty() {
8725 let cursor = movement::next_subword_end(map, selection.head());
8726 selection.set_head(cursor, SelectionGoal::None);
8727 }
8728 });
8729 });
8730 this.insert("", window, cx);
8731 });
8732 }
8733
8734 pub fn move_to_beginning_of_line(
8735 &mut self,
8736 action: &MoveToBeginningOfLine,
8737 window: &mut Window,
8738 cx: &mut Context<Self>,
8739 ) {
8740 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8741 s.move_cursors_with(|map, head, _| {
8742 (
8743 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8744 SelectionGoal::None,
8745 )
8746 });
8747 })
8748 }
8749
8750 pub fn select_to_beginning_of_line(
8751 &mut self,
8752 action: &SelectToBeginningOfLine,
8753 window: &mut Window,
8754 cx: &mut Context<Self>,
8755 ) {
8756 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8757 s.move_heads_with(|map, head, _| {
8758 (
8759 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8760 SelectionGoal::None,
8761 )
8762 });
8763 });
8764 }
8765
8766 pub fn delete_to_beginning_of_line(
8767 &mut self,
8768 _: &DeleteToBeginningOfLine,
8769 window: &mut Window,
8770 cx: &mut Context<Self>,
8771 ) {
8772 self.transact(window, cx, |this, window, cx| {
8773 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8774 s.move_with(|_, selection| {
8775 selection.reversed = true;
8776 });
8777 });
8778
8779 this.select_to_beginning_of_line(
8780 &SelectToBeginningOfLine {
8781 stop_at_soft_wraps: false,
8782 },
8783 window,
8784 cx,
8785 );
8786 this.backspace(&Backspace, window, cx);
8787 });
8788 }
8789
8790 pub fn move_to_end_of_line(
8791 &mut self,
8792 action: &MoveToEndOfLine,
8793 window: &mut Window,
8794 cx: &mut Context<Self>,
8795 ) {
8796 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8797 s.move_cursors_with(|map, head, _| {
8798 (
8799 movement::line_end(map, head, action.stop_at_soft_wraps),
8800 SelectionGoal::None,
8801 )
8802 });
8803 })
8804 }
8805
8806 pub fn select_to_end_of_line(
8807 &mut self,
8808 action: &SelectToEndOfLine,
8809 window: &mut Window,
8810 cx: &mut Context<Self>,
8811 ) {
8812 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8813 s.move_heads_with(|map, head, _| {
8814 (
8815 movement::line_end(map, head, action.stop_at_soft_wraps),
8816 SelectionGoal::None,
8817 )
8818 });
8819 })
8820 }
8821
8822 pub fn delete_to_end_of_line(
8823 &mut self,
8824 _: &DeleteToEndOfLine,
8825 window: &mut Window,
8826 cx: &mut Context<Self>,
8827 ) {
8828 self.transact(window, cx, |this, window, cx| {
8829 this.select_to_end_of_line(
8830 &SelectToEndOfLine {
8831 stop_at_soft_wraps: false,
8832 },
8833 window,
8834 cx,
8835 );
8836 this.delete(&Delete, window, cx);
8837 });
8838 }
8839
8840 pub fn cut_to_end_of_line(
8841 &mut self,
8842 _: &CutToEndOfLine,
8843 window: &mut Window,
8844 cx: &mut Context<Self>,
8845 ) {
8846 self.transact(window, cx, |this, window, cx| {
8847 this.select_to_end_of_line(
8848 &SelectToEndOfLine {
8849 stop_at_soft_wraps: false,
8850 },
8851 window,
8852 cx,
8853 );
8854 this.cut(&Cut, window, cx);
8855 });
8856 }
8857
8858 pub fn move_to_start_of_paragraph(
8859 &mut self,
8860 _: &MoveToStartOfParagraph,
8861 window: &mut Window,
8862 cx: &mut Context<Self>,
8863 ) {
8864 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8865 cx.propagate();
8866 return;
8867 }
8868
8869 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8870 s.move_with(|map, selection| {
8871 selection.collapse_to(
8872 movement::start_of_paragraph(map, selection.head(), 1),
8873 SelectionGoal::None,
8874 )
8875 });
8876 })
8877 }
8878
8879 pub fn move_to_end_of_paragraph(
8880 &mut self,
8881 _: &MoveToEndOfParagraph,
8882 window: &mut Window,
8883 cx: &mut Context<Self>,
8884 ) {
8885 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8886 cx.propagate();
8887 return;
8888 }
8889
8890 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8891 s.move_with(|map, selection| {
8892 selection.collapse_to(
8893 movement::end_of_paragraph(map, selection.head(), 1),
8894 SelectionGoal::None,
8895 )
8896 });
8897 })
8898 }
8899
8900 pub fn select_to_start_of_paragraph(
8901 &mut self,
8902 _: &SelectToStartOfParagraph,
8903 window: &mut Window,
8904 cx: &mut Context<Self>,
8905 ) {
8906 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8907 cx.propagate();
8908 return;
8909 }
8910
8911 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8912 s.move_heads_with(|map, head, _| {
8913 (
8914 movement::start_of_paragraph(map, head, 1),
8915 SelectionGoal::None,
8916 )
8917 });
8918 })
8919 }
8920
8921 pub fn select_to_end_of_paragraph(
8922 &mut self,
8923 _: &SelectToEndOfParagraph,
8924 window: &mut Window,
8925 cx: &mut Context<Self>,
8926 ) {
8927 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8928 cx.propagate();
8929 return;
8930 }
8931
8932 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8933 s.move_heads_with(|map, head, _| {
8934 (
8935 movement::end_of_paragraph(map, head, 1),
8936 SelectionGoal::None,
8937 )
8938 });
8939 })
8940 }
8941
8942 pub fn move_to_beginning(
8943 &mut self,
8944 _: &MoveToBeginning,
8945 window: &mut Window,
8946 cx: &mut Context<Self>,
8947 ) {
8948 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8949 cx.propagate();
8950 return;
8951 }
8952
8953 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8954 s.select_ranges(vec![0..0]);
8955 });
8956 }
8957
8958 pub fn select_to_beginning(
8959 &mut self,
8960 _: &SelectToBeginning,
8961 window: &mut Window,
8962 cx: &mut Context<Self>,
8963 ) {
8964 let mut selection = self.selections.last::<Point>(cx);
8965 selection.set_head(Point::zero(), SelectionGoal::None);
8966
8967 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8968 s.select(vec![selection]);
8969 });
8970 }
8971
8972 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8973 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8974 cx.propagate();
8975 return;
8976 }
8977
8978 let cursor = self.buffer.read(cx).read(cx).len();
8979 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8980 s.select_ranges(vec![cursor..cursor])
8981 });
8982 }
8983
8984 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8985 self.nav_history = nav_history;
8986 }
8987
8988 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8989 self.nav_history.as_ref()
8990 }
8991
8992 fn push_to_nav_history(
8993 &mut self,
8994 cursor_anchor: Anchor,
8995 new_position: Option<Point>,
8996 cx: &mut Context<Self>,
8997 ) {
8998 if let Some(nav_history) = self.nav_history.as_mut() {
8999 let buffer = self.buffer.read(cx).read(cx);
9000 let cursor_position = cursor_anchor.to_point(&buffer);
9001 let scroll_state = self.scroll_manager.anchor();
9002 let scroll_top_row = scroll_state.top_row(&buffer);
9003 drop(buffer);
9004
9005 if let Some(new_position) = new_position {
9006 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
9007 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
9008 return;
9009 }
9010 }
9011
9012 nav_history.push(
9013 Some(NavigationData {
9014 cursor_anchor,
9015 cursor_position,
9016 scroll_anchor: scroll_state,
9017 scroll_top_row,
9018 }),
9019 cx,
9020 );
9021 }
9022 }
9023
9024 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
9025 let buffer = self.buffer.read(cx).snapshot(cx);
9026 let mut selection = self.selections.first::<usize>(cx);
9027 selection.set_head(buffer.len(), SelectionGoal::None);
9028 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9029 s.select(vec![selection]);
9030 });
9031 }
9032
9033 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
9034 let end = self.buffer.read(cx).read(cx).len();
9035 self.change_selections(None, window, cx, |s| {
9036 s.select_ranges(vec![0..end]);
9037 });
9038 }
9039
9040 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
9041 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9042 let mut selections = self.selections.all::<Point>(cx);
9043 let max_point = display_map.buffer_snapshot.max_point();
9044 for selection in &mut selections {
9045 let rows = selection.spanned_rows(true, &display_map);
9046 selection.start = Point::new(rows.start.0, 0);
9047 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
9048 selection.reversed = false;
9049 }
9050 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9051 s.select(selections);
9052 });
9053 }
9054
9055 pub fn split_selection_into_lines(
9056 &mut self,
9057 _: &SplitSelectionIntoLines,
9058 window: &mut Window,
9059 cx: &mut Context<Self>,
9060 ) {
9061 let mut to_unfold = Vec::new();
9062 let mut new_selection_ranges = Vec::new();
9063 {
9064 let selections = self.selections.all::<Point>(cx);
9065 let buffer = self.buffer.read(cx).read(cx);
9066 for selection in selections {
9067 for row in selection.start.row..selection.end.row {
9068 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
9069 new_selection_ranges.push(cursor..cursor);
9070 }
9071 new_selection_ranges.push(selection.end..selection.end);
9072 to_unfold.push(selection.start..selection.end);
9073 }
9074 }
9075 self.unfold_ranges(&to_unfold, true, true, cx);
9076 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9077 s.select_ranges(new_selection_ranges);
9078 });
9079 }
9080
9081 pub fn add_selection_above(
9082 &mut self,
9083 _: &AddSelectionAbove,
9084 window: &mut Window,
9085 cx: &mut Context<Self>,
9086 ) {
9087 self.add_selection(true, window, cx);
9088 }
9089
9090 pub fn add_selection_below(
9091 &mut self,
9092 _: &AddSelectionBelow,
9093 window: &mut Window,
9094 cx: &mut Context<Self>,
9095 ) {
9096 self.add_selection(false, window, cx);
9097 }
9098
9099 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
9100 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9101 let mut selections = self.selections.all::<Point>(cx);
9102 let text_layout_details = self.text_layout_details(window);
9103 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
9104 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
9105 let range = oldest_selection.display_range(&display_map).sorted();
9106
9107 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
9108 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
9109 let positions = start_x.min(end_x)..start_x.max(end_x);
9110
9111 selections.clear();
9112 let mut stack = Vec::new();
9113 for row in range.start.row().0..=range.end.row().0 {
9114 if let Some(selection) = self.selections.build_columnar_selection(
9115 &display_map,
9116 DisplayRow(row),
9117 &positions,
9118 oldest_selection.reversed,
9119 &text_layout_details,
9120 ) {
9121 stack.push(selection.id);
9122 selections.push(selection);
9123 }
9124 }
9125
9126 if above {
9127 stack.reverse();
9128 }
9129
9130 AddSelectionsState { above, stack }
9131 });
9132
9133 let last_added_selection = *state.stack.last().unwrap();
9134 let mut new_selections = Vec::new();
9135 if above == state.above {
9136 let end_row = if above {
9137 DisplayRow(0)
9138 } else {
9139 display_map.max_point().row()
9140 };
9141
9142 'outer: for selection in selections {
9143 if selection.id == last_added_selection {
9144 let range = selection.display_range(&display_map).sorted();
9145 debug_assert_eq!(range.start.row(), range.end.row());
9146 let mut row = range.start.row();
9147 let positions =
9148 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
9149 px(start)..px(end)
9150 } else {
9151 let start_x =
9152 display_map.x_for_display_point(range.start, &text_layout_details);
9153 let end_x =
9154 display_map.x_for_display_point(range.end, &text_layout_details);
9155 start_x.min(end_x)..start_x.max(end_x)
9156 };
9157
9158 while row != end_row {
9159 if above {
9160 row.0 -= 1;
9161 } else {
9162 row.0 += 1;
9163 }
9164
9165 if let Some(new_selection) = self.selections.build_columnar_selection(
9166 &display_map,
9167 row,
9168 &positions,
9169 selection.reversed,
9170 &text_layout_details,
9171 ) {
9172 state.stack.push(new_selection.id);
9173 if above {
9174 new_selections.push(new_selection);
9175 new_selections.push(selection);
9176 } else {
9177 new_selections.push(selection);
9178 new_selections.push(new_selection);
9179 }
9180
9181 continue 'outer;
9182 }
9183 }
9184 }
9185
9186 new_selections.push(selection);
9187 }
9188 } else {
9189 new_selections = selections;
9190 new_selections.retain(|s| s.id != last_added_selection);
9191 state.stack.pop();
9192 }
9193
9194 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9195 s.select(new_selections);
9196 });
9197 if state.stack.len() > 1 {
9198 self.add_selections_state = Some(state);
9199 }
9200 }
9201
9202 pub fn select_next_match_internal(
9203 &mut self,
9204 display_map: &DisplaySnapshot,
9205 replace_newest: bool,
9206 autoscroll: Option<Autoscroll>,
9207 window: &mut Window,
9208 cx: &mut Context<Self>,
9209 ) -> Result<()> {
9210 fn select_next_match_ranges(
9211 this: &mut Editor,
9212 range: Range<usize>,
9213 replace_newest: bool,
9214 auto_scroll: Option<Autoscroll>,
9215 window: &mut Window,
9216 cx: &mut Context<Editor>,
9217 ) {
9218 this.unfold_ranges(&[range.clone()], false, true, cx);
9219 this.change_selections(auto_scroll, window, cx, |s| {
9220 if replace_newest {
9221 s.delete(s.newest_anchor().id);
9222 }
9223 s.insert_range(range.clone());
9224 });
9225 }
9226
9227 let buffer = &display_map.buffer_snapshot;
9228 let mut selections = self.selections.all::<usize>(cx);
9229 if let Some(mut select_next_state) = self.select_next_state.take() {
9230 let query = &select_next_state.query;
9231 if !select_next_state.done {
9232 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9233 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9234 let mut next_selected_range = None;
9235
9236 let bytes_after_last_selection =
9237 buffer.bytes_in_range(last_selection.end..buffer.len());
9238 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
9239 let query_matches = query
9240 .stream_find_iter(bytes_after_last_selection)
9241 .map(|result| (last_selection.end, result))
9242 .chain(
9243 query
9244 .stream_find_iter(bytes_before_first_selection)
9245 .map(|result| (0, result)),
9246 );
9247
9248 for (start_offset, query_match) in query_matches {
9249 let query_match = query_match.unwrap(); // can only fail due to I/O
9250 let offset_range =
9251 start_offset + query_match.start()..start_offset + query_match.end();
9252 let display_range = offset_range.start.to_display_point(display_map)
9253 ..offset_range.end.to_display_point(display_map);
9254
9255 if !select_next_state.wordwise
9256 || (!movement::is_inside_word(display_map, display_range.start)
9257 && !movement::is_inside_word(display_map, display_range.end))
9258 {
9259 // TODO: This is n^2, because we might check all the selections
9260 if !selections
9261 .iter()
9262 .any(|selection| selection.range().overlaps(&offset_range))
9263 {
9264 next_selected_range = Some(offset_range);
9265 break;
9266 }
9267 }
9268 }
9269
9270 if let Some(next_selected_range) = next_selected_range {
9271 select_next_match_ranges(
9272 self,
9273 next_selected_range,
9274 replace_newest,
9275 autoscroll,
9276 window,
9277 cx,
9278 );
9279 } else {
9280 select_next_state.done = true;
9281 }
9282 }
9283
9284 self.select_next_state = Some(select_next_state);
9285 } else {
9286 let mut only_carets = true;
9287 let mut same_text_selected = true;
9288 let mut selected_text = None;
9289
9290 let mut selections_iter = selections.iter().peekable();
9291 while let Some(selection) = selections_iter.next() {
9292 if selection.start != selection.end {
9293 only_carets = false;
9294 }
9295
9296 if same_text_selected {
9297 if selected_text.is_none() {
9298 selected_text =
9299 Some(buffer.text_for_range(selection.range()).collect::<String>());
9300 }
9301
9302 if let Some(next_selection) = selections_iter.peek() {
9303 if next_selection.range().len() == selection.range().len() {
9304 let next_selected_text = buffer
9305 .text_for_range(next_selection.range())
9306 .collect::<String>();
9307 if Some(next_selected_text) != selected_text {
9308 same_text_selected = false;
9309 selected_text = None;
9310 }
9311 } else {
9312 same_text_selected = false;
9313 selected_text = None;
9314 }
9315 }
9316 }
9317 }
9318
9319 if only_carets {
9320 for selection in &mut selections {
9321 let word_range = movement::surrounding_word(
9322 display_map,
9323 selection.start.to_display_point(display_map),
9324 );
9325 selection.start = word_range.start.to_offset(display_map, Bias::Left);
9326 selection.end = word_range.end.to_offset(display_map, Bias::Left);
9327 selection.goal = SelectionGoal::None;
9328 selection.reversed = false;
9329 select_next_match_ranges(
9330 self,
9331 selection.start..selection.end,
9332 replace_newest,
9333 autoscroll,
9334 window,
9335 cx,
9336 );
9337 }
9338
9339 if selections.len() == 1 {
9340 let selection = selections
9341 .last()
9342 .expect("ensured that there's only one selection");
9343 let query = buffer
9344 .text_for_range(selection.start..selection.end)
9345 .collect::<String>();
9346 let is_empty = query.is_empty();
9347 let select_state = SelectNextState {
9348 query: AhoCorasick::new(&[query])?,
9349 wordwise: true,
9350 done: is_empty,
9351 };
9352 self.select_next_state = Some(select_state);
9353 } else {
9354 self.select_next_state = None;
9355 }
9356 } else if let Some(selected_text) = selected_text {
9357 self.select_next_state = Some(SelectNextState {
9358 query: AhoCorasick::new(&[selected_text])?,
9359 wordwise: false,
9360 done: false,
9361 });
9362 self.select_next_match_internal(
9363 display_map,
9364 replace_newest,
9365 autoscroll,
9366 window,
9367 cx,
9368 )?;
9369 }
9370 }
9371 Ok(())
9372 }
9373
9374 pub fn select_all_matches(
9375 &mut self,
9376 _action: &SelectAllMatches,
9377 window: &mut Window,
9378 cx: &mut Context<Self>,
9379 ) -> Result<()> {
9380 self.push_to_selection_history();
9381 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9382
9383 self.select_next_match_internal(&display_map, false, None, window, cx)?;
9384 let Some(select_next_state) = self.select_next_state.as_mut() else {
9385 return Ok(());
9386 };
9387 if select_next_state.done {
9388 return Ok(());
9389 }
9390
9391 let mut new_selections = self.selections.all::<usize>(cx);
9392
9393 let buffer = &display_map.buffer_snapshot;
9394 let query_matches = select_next_state
9395 .query
9396 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
9397
9398 for query_match in query_matches {
9399 let query_match = query_match.unwrap(); // can only fail due to I/O
9400 let offset_range = query_match.start()..query_match.end();
9401 let display_range = offset_range.start.to_display_point(&display_map)
9402 ..offset_range.end.to_display_point(&display_map);
9403
9404 if !select_next_state.wordwise
9405 || (!movement::is_inside_word(&display_map, display_range.start)
9406 && !movement::is_inside_word(&display_map, display_range.end))
9407 {
9408 self.selections.change_with(cx, |selections| {
9409 new_selections.push(Selection {
9410 id: selections.new_selection_id(),
9411 start: offset_range.start,
9412 end: offset_range.end,
9413 reversed: false,
9414 goal: SelectionGoal::None,
9415 });
9416 });
9417 }
9418 }
9419
9420 new_selections.sort_by_key(|selection| selection.start);
9421 let mut ix = 0;
9422 while ix + 1 < new_selections.len() {
9423 let current_selection = &new_selections[ix];
9424 let next_selection = &new_selections[ix + 1];
9425 if current_selection.range().overlaps(&next_selection.range()) {
9426 if current_selection.id < next_selection.id {
9427 new_selections.remove(ix + 1);
9428 } else {
9429 new_selections.remove(ix);
9430 }
9431 } else {
9432 ix += 1;
9433 }
9434 }
9435
9436 let reversed = self.selections.oldest::<usize>(cx).reversed;
9437
9438 for selection in new_selections.iter_mut() {
9439 selection.reversed = reversed;
9440 }
9441
9442 select_next_state.done = true;
9443 self.unfold_ranges(
9444 &new_selections
9445 .iter()
9446 .map(|selection| selection.range())
9447 .collect::<Vec<_>>(),
9448 false,
9449 false,
9450 cx,
9451 );
9452 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
9453 selections.select(new_selections)
9454 });
9455
9456 Ok(())
9457 }
9458
9459 pub fn select_next(
9460 &mut self,
9461 action: &SelectNext,
9462 window: &mut Window,
9463 cx: &mut Context<Self>,
9464 ) -> Result<()> {
9465 self.push_to_selection_history();
9466 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9467 self.select_next_match_internal(
9468 &display_map,
9469 action.replace_newest,
9470 Some(Autoscroll::newest()),
9471 window,
9472 cx,
9473 )?;
9474 Ok(())
9475 }
9476
9477 pub fn select_previous(
9478 &mut self,
9479 action: &SelectPrevious,
9480 window: &mut Window,
9481 cx: &mut Context<Self>,
9482 ) -> Result<()> {
9483 self.push_to_selection_history();
9484 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9485 let buffer = &display_map.buffer_snapshot;
9486 let mut selections = self.selections.all::<usize>(cx);
9487 if let Some(mut select_prev_state) = self.select_prev_state.take() {
9488 let query = &select_prev_state.query;
9489 if !select_prev_state.done {
9490 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9491 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9492 let mut next_selected_range = None;
9493 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
9494 let bytes_before_last_selection =
9495 buffer.reversed_bytes_in_range(0..last_selection.start);
9496 let bytes_after_first_selection =
9497 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
9498 let query_matches = query
9499 .stream_find_iter(bytes_before_last_selection)
9500 .map(|result| (last_selection.start, result))
9501 .chain(
9502 query
9503 .stream_find_iter(bytes_after_first_selection)
9504 .map(|result| (buffer.len(), result)),
9505 );
9506 for (end_offset, query_match) in query_matches {
9507 let query_match = query_match.unwrap(); // can only fail due to I/O
9508 let offset_range =
9509 end_offset - query_match.end()..end_offset - query_match.start();
9510 let display_range = offset_range.start.to_display_point(&display_map)
9511 ..offset_range.end.to_display_point(&display_map);
9512
9513 if !select_prev_state.wordwise
9514 || (!movement::is_inside_word(&display_map, display_range.start)
9515 && !movement::is_inside_word(&display_map, display_range.end))
9516 {
9517 next_selected_range = Some(offset_range);
9518 break;
9519 }
9520 }
9521
9522 if let Some(next_selected_range) = next_selected_range {
9523 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
9524 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9525 if action.replace_newest {
9526 s.delete(s.newest_anchor().id);
9527 }
9528 s.insert_range(next_selected_range);
9529 });
9530 } else {
9531 select_prev_state.done = true;
9532 }
9533 }
9534
9535 self.select_prev_state = Some(select_prev_state);
9536 } else {
9537 let mut only_carets = true;
9538 let mut same_text_selected = true;
9539 let mut selected_text = None;
9540
9541 let mut selections_iter = selections.iter().peekable();
9542 while let Some(selection) = selections_iter.next() {
9543 if selection.start != selection.end {
9544 only_carets = false;
9545 }
9546
9547 if same_text_selected {
9548 if selected_text.is_none() {
9549 selected_text =
9550 Some(buffer.text_for_range(selection.range()).collect::<String>());
9551 }
9552
9553 if let Some(next_selection) = selections_iter.peek() {
9554 if next_selection.range().len() == selection.range().len() {
9555 let next_selected_text = buffer
9556 .text_for_range(next_selection.range())
9557 .collect::<String>();
9558 if Some(next_selected_text) != selected_text {
9559 same_text_selected = false;
9560 selected_text = None;
9561 }
9562 } else {
9563 same_text_selected = false;
9564 selected_text = None;
9565 }
9566 }
9567 }
9568 }
9569
9570 if only_carets {
9571 for selection in &mut selections {
9572 let word_range = movement::surrounding_word(
9573 &display_map,
9574 selection.start.to_display_point(&display_map),
9575 );
9576 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
9577 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
9578 selection.goal = SelectionGoal::None;
9579 selection.reversed = false;
9580 }
9581 if selections.len() == 1 {
9582 let selection = selections
9583 .last()
9584 .expect("ensured that there's only one selection");
9585 let query = buffer
9586 .text_for_range(selection.start..selection.end)
9587 .collect::<String>();
9588 let is_empty = query.is_empty();
9589 let select_state = SelectNextState {
9590 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
9591 wordwise: true,
9592 done: is_empty,
9593 };
9594 self.select_prev_state = Some(select_state);
9595 } else {
9596 self.select_prev_state = None;
9597 }
9598
9599 self.unfold_ranges(
9600 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
9601 false,
9602 true,
9603 cx,
9604 );
9605 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9606 s.select(selections);
9607 });
9608 } else if let Some(selected_text) = selected_text {
9609 self.select_prev_state = Some(SelectNextState {
9610 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9611 wordwise: false,
9612 done: false,
9613 });
9614 self.select_previous(action, window, cx)?;
9615 }
9616 }
9617 Ok(())
9618 }
9619
9620 pub fn toggle_comments(
9621 &mut self,
9622 action: &ToggleComments,
9623 window: &mut Window,
9624 cx: &mut Context<Self>,
9625 ) {
9626 if self.read_only(cx) {
9627 return;
9628 }
9629 let text_layout_details = &self.text_layout_details(window);
9630 self.transact(window, cx, |this, window, cx| {
9631 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9632 let mut edits = Vec::new();
9633 let mut selection_edit_ranges = Vec::new();
9634 let mut last_toggled_row = None;
9635 let snapshot = this.buffer.read(cx).read(cx);
9636 let empty_str: Arc<str> = Arc::default();
9637 let mut suffixes_inserted = Vec::new();
9638 let ignore_indent = action.ignore_indent;
9639
9640 fn comment_prefix_range(
9641 snapshot: &MultiBufferSnapshot,
9642 row: MultiBufferRow,
9643 comment_prefix: &str,
9644 comment_prefix_whitespace: &str,
9645 ignore_indent: bool,
9646 ) -> Range<Point> {
9647 let indent_size = if ignore_indent {
9648 0
9649 } else {
9650 snapshot.indent_size_for_line(row).len
9651 };
9652
9653 let start = Point::new(row.0, indent_size);
9654
9655 let mut line_bytes = snapshot
9656 .bytes_in_range(start..snapshot.max_point())
9657 .flatten()
9658 .copied();
9659
9660 // If this line currently begins with the line comment prefix, then record
9661 // the range containing the prefix.
9662 if line_bytes
9663 .by_ref()
9664 .take(comment_prefix.len())
9665 .eq(comment_prefix.bytes())
9666 {
9667 // Include any whitespace that matches the comment prefix.
9668 let matching_whitespace_len = line_bytes
9669 .zip(comment_prefix_whitespace.bytes())
9670 .take_while(|(a, b)| a == b)
9671 .count() as u32;
9672 let end = Point::new(
9673 start.row,
9674 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9675 );
9676 start..end
9677 } else {
9678 start..start
9679 }
9680 }
9681
9682 fn comment_suffix_range(
9683 snapshot: &MultiBufferSnapshot,
9684 row: MultiBufferRow,
9685 comment_suffix: &str,
9686 comment_suffix_has_leading_space: bool,
9687 ) -> Range<Point> {
9688 let end = Point::new(row.0, snapshot.line_len(row));
9689 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9690
9691 let mut line_end_bytes = snapshot
9692 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9693 .flatten()
9694 .copied();
9695
9696 let leading_space_len = if suffix_start_column > 0
9697 && line_end_bytes.next() == Some(b' ')
9698 && comment_suffix_has_leading_space
9699 {
9700 1
9701 } else {
9702 0
9703 };
9704
9705 // If this line currently begins with the line comment prefix, then record
9706 // the range containing the prefix.
9707 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9708 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9709 start..end
9710 } else {
9711 end..end
9712 }
9713 }
9714
9715 // TODO: Handle selections that cross excerpts
9716 for selection in &mut selections {
9717 let start_column = snapshot
9718 .indent_size_for_line(MultiBufferRow(selection.start.row))
9719 .len;
9720 let language = if let Some(language) =
9721 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9722 {
9723 language
9724 } else {
9725 continue;
9726 };
9727
9728 selection_edit_ranges.clear();
9729
9730 // If multiple selections contain a given row, avoid processing that
9731 // row more than once.
9732 let mut start_row = MultiBufferRow(selection.start.row);
9733 if last_toggled_row == Some(start_row) {
9734 start_row = start_row.next_row();
9735 }
9736 let end_row =
9737 if selection.end.row > selection.start.row && selection.end.column == 0 {
9738 MultiBufferRow(selection.end.row - 1)
9739 } else {
9740 MultiBufferRow(selection.end.row)
9741 };
9742 last_toggled_row = Some(end_row);
9743
9744 if start_row > end_row {
9745 continue;
9746 }
9747
9748 // If the language has line comments, toggle those.
9749 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9750
9751 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9752 if ignore_indent {
9753 full_comment_prefixes = full_comment_prefixes
9754 .into_iter()
9755 .map(|s| Arc::from(s.trim_end()))
9756 .collect();
9757 }
9758
9759 if !full_comment_prefixes.is_empty() {
9760 let first_prefix = full_comment_prefixes
9761 .first()
9762 .expect("prefixes is non-empty");
9763 let prefix_trimmed_lengths = full_comment_prefixes
9764 .iter()
9765 .map(|p| p.trim_end_matches(' ').len())
9766 .collect::<SmallVec<[usize; 4]>>();
9767
9768 let mut all_selection_lines_are_comments = true;
9769
9770 for row in start_row.0..=end_row.0 {
9771 let row = MultiBufferRow(row);
9772 if start_row < end_row && snapshot.is_line_blank(row) {
9773 continue;
9774 }
9775
9776 let prefix_range = full_comment_prefixes
9777 .iter()
9778 .zip(prefix_trimmed_lengths.iter().copied())
9779 .map(|(prefix, trimmed_prefix_len)| {
9780 comment_prefix_range(
9781 snapshot.deref(),
9782 row,
9783 &prefix[..trimmed_prefix_len],
9784 &prefix[trimmed_prefix_len..],
9785 ignore_indent,
9786 )
9787 })
9788 .max_by_key(|range| range.end.column - range.start.column)
9789 .expect("prefixes is non-empty");
9790
9791 if prefix_range.is_empty() {
9792 all_selection_lines_are_comments = false;
9793 }
9794
9795 selection_edit_ranges.push(prefix_range);
9796 }
9797
9798 if all_selection_lines_are_comments {
9799 edits.extend(
9800 selection_edit_ranges
9801 .iter()
9802 .cloned()
9803 .map(|range| (range, empty_str.clone())),
9804 );
9805 } else {
9806 let min_column = selection_edit_ranges
9807 .iter()
9808 .map(|range| range.start.column)
9809 .min()
9810 .unwrap_or(0);
9811 edits.extend(selection_edit_ranges.iter().map(|range| {
9812 let position = Point::new(range.start.row, min_column);
9813 (position..position, first_prefix.clone())
9814 }));
9815 }
9816 } else if let Some((full_comment_prefix, comment_suffix)) =
9817 language.block_comment_delimiters()
9818 {
9819 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9820 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9821 let prefix_range = comment_prefix_range(
9822 snapshot.deref(),
9823 start_row,
9824 comment_prefix,
9825 comment_prefix_whitespace,
9826 ignore_indent,
9827 );
9828 let suffix_range = comment_suffix_range(
9829 snapshot.deref(),
9830 end_row,
9831 comment_suffix.trim_start_matches(' '),
9832 comment_suffix.starts_with(' '),
9833 );
9834
9835 if prefix_range.is_empty() || suffix_range.is_empty() {
9836 edits.push((
9837 prefix_range.start..prefix_range.start,
9838 full_comment_prefix.clone(),
9839 ));
9840 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9841 suffixes_inserted.push((end_row, comment_suffix.len()));
9842 } else {
9843 edits.push((prefix_range, empty_str.clone()));
9844 edits.push((suffix_range, empty_str.clone()));
9845 }
9846 } else {
9847 continue;
9848 }
9849 }
9850
9851 drop(snapshot);
9852 this.buffer.update(cx, |buffer, cx| {
9853 buffer.edit(edits, None, cx);
9854 });
9855
9856 // Adjust selections so that they end before any comment suffixes that
9857 // were inserted.
9858 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9859 let mut selections = this.selections.all::<Point>(cx);
9860 let snapshot = this.buffer.read(cx).read(cx);
9861 for selection in &mut selections {
9862 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9863 match row.cmp(&MultiBufferRow(selection.end.row)) {
9864 Ordering::Less => {
9865 suffixes_inserted.next();
9866 continue;
9867 }
9868 Ordering::Greater => break,
9869 Ordering::Equal => {
9870 if selection.end.column == snapshot.line_len(row) {
9871 if selection.is_empty() {
9872 selection.start.column -= suffix_len as u32;
9873 }
9874 selection.end.column -= suffix_len as u32;
9875 }
9876 break;
9877 }
9878 }
9879 }
9880 }
9881
9882 drop(snapshot);
9883 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9884 s.select(selections)
9885 });
9886
9887 let selections = this.selections.all::<Point>(cx);
9888 let selections_on_single_row = selections.windows(2).all(|selections| {
9889 selections[0].start.row == selections[1].start.row
9890 && selections[0].end.row == selections[1].end.row
9891 && selections[0].start.row == selections[0].end.row
9892 });
9893 let selections_selecting = selections
9894 .iter()
9895 .any(|selection| selection.start != selection.end);
9896 let advance_downwards = action.advance_downwards
9897 && selections_on_single_row
9898 && !selections_selecting
9899 && !matches!(this.mode, EditorMode::SingleLine { .. });
9900
9901 if advance_downwards {
9902 let snapshot = this.buffer.read(cx).snapshot(cx);
9903
9904 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9905 s.move_cursors_with(|display_snapshot, display_point, _| {
9906 let mut point = display_point.to_point(display_snapshot);
9907 point.row += 1;
9908 point = snapshot.clip_point(point, Bias::Left);
9909 let display_point = point.to_display_point(display_snapshot);
9910 let goal = SelectionGoal::HorizontalPosition(
9911 display_snapshot
9912 .x_for_display_point(display_point, text_layout_details)
9913 .into(),
9914 );
9915 (display_point, goal)
9916 })
9917 });
9918 }
9919 });
9920 }
9921
9922 pub fn select_enclosing_symbol(
9923 &mut self,
9924 _: &SelectEnclosingSymbol,
9925 window: &mut Window,
9926 cx: &mut Context<Self>,
9927 ) {
9928 let buffer = self.buffer.read(cx).snapshot(cx);
9929 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9930
9931 fn update_selection(
9932 selection: &Selection<usize>,
9933 buffer_snap: &MultiBufferSnapshot,
9934 ) -> Option<Selection<usize>> {
9935 let cursor = selection.head();
9936 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9937 for symbol in symbols.iter().rev() {
9938 let start = symbol.range.start.to_offset(buffer_snap);
9939 let end = symbol.range.end.to_offset(buffer_snap);
9940 let new_range = start..end;
9941 if start < selection.start || end > selection.end {
9942 return Some(Selection {
9943 id: selection.id,
9944 start: new_range.start,
9945 end: new_range.end,
9946 goal: SelectionGoal::None,
9947 reversed: selection.reversed,
9948 });
9949 }
9950 }
9951 None
9952 }
9953
9954 let mut selected_larger_symbol = false;
9955 let new_selections = old_selections
9956 .iter()
9957 .map(|selection| match update_selection(selection, &buffer) {
9958 Some(new_selection) => {
9959 if new_selection.range() != selection.range() {
9960 selected_larger_symbol = true;
9961 }
9962 new_selection
9963 }
9964 None => selection.clone(),
9965 })
9966 .collect::<Vec<_>>();
9967
9968 if selected_larger_symbol {
9969 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9970 s.select(new_selections);
9971 });
9972 }
9973 }
9974
9975 pub fn select_larger_syntax_node(
9976 &mut self,
9977 _: &SelectLargerSyntaxNode,
9978 window: &mut Window,
9979 cx: &mut Context<Self>,
9980 ) {
9981 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9982 let buffer = self.buffer.read(cx).snapshot(cx);
9983 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9984
9985 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9986 let mut selected_larger_node = false;
9987 let new_selections = old_selections
9988 .iter()
9989 .map(|selection| {
9990 let old_range = selection.start..selection.end;
9991 let mut new_range = old_range.clone();
9992 let mut new_node = None;
9993 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9994 {
9995 new_node = Some(node);
9996 new_range = containing_range;
9997 if !display_map.intersects_fold(new_range.start)
9998 && !display_map.intersects_fold(new_range.end)
9999 {
10000 break;
10001 }
10002 }
10003
10004 if let Some(node) = new_node {
10005 // Log the ancestor, to support using this action as a way to explore TreeSitter
10006 // nodes. Parent and grandparent are also logged because this operation will not
10007 // visit nodes that have the same range as their parent.
10008 log::info!("Node: {node:?}");
10009 let parent = node.parent();
10010 log::info!("Parent: {parent:?}");
10011 let grandparent = parent.and_then(|x| x.parent());
10012 log::info!("Grandparent: {grandparent:?}");
10013 }
10014
10015 selected_larger_node |= new_range != old_range;
10016 Selection {
10017 id: selection.id,
10018 start: new_range.start,
10019 end: new_range.end,
10020 goal: SelectionGoal::None,
10021 reversed: selection.reversed,
10022 }
10023 })
10024 .collect::<Vec<_>>();
10025
10026 if selected_larger_node {
10027 stack.push(old_selections);
10028 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10029 s.select(new_selections);
10030 });
10031 }
10032 self.select_larger_syntax_node_stack = stack;
10033 }
10034
10035 pub fn select_smaller_syntax_node(
10036 &mut self,
10037 _: &SelectSmallerSyntaxNode,
10038 window: &mut Window,
10039 cx: &mut Context<Self>,
10040 ) {
10041 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
10042 if let Some(selections) = stack.pop() {
10043 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10044 s.select(selections.to_vec());
10045 });
10046 }
10047 self.select_larger_syntax_node_stack = stack;
10048 }
10049
10050 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
10051 if !EditorSettings::get_global(cx).gutter.runnables {
10052 self.clear_tasks();
10053 return Task::ready(());
10054 }
10055 let project = self.project.as_ref().map(Entity::downgrade);
10056 cx.spawn_in(window, |this, mut cx| async move {
10057 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
10058 let Some(project) = project.and_then(|p| p.upgrade()) else {
10059 return;
10060 };
10061 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
10062 this.display_map.update(cx, |map, cx| map.snapshot(cx))
10063 }) else {
10064 return;
10065 };
10066
10067 let hide_runnables = project
10068 .update(&mut cx, |project, cx| {
10069 // Do not display any test indicators in non-dev server remote projects.
10070 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
10071 })
10072 .unwrap_or(true);
10073 if hide_runnables {
10074 return;
10075 }
10076 let new_rows =
10077 cx.background_executor()
10078 .spawn({
10079 let snapshot = display_snapshot.clone();
10080 async move {
10081 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
10082 }
10083 })
10084 .await;
10085
10086 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
10087 this.update(&mut cx, |this, _| {
10088 this.clear_tasks();
10089 for (key, value) in rows {
10090 this.insert_tasks(key, value);
10091 }
10092 })
10093 .ok();
10094 })
10095 }
10096 fn fetch_runnable_ranges(
10097 snapshot: &DisplaySnapshot,
10098 range: Range<Anchor>,
10099 ) -> Vec<language::RunnableRange> {
10100 snapshot.buffer_snapshot.runnable_ranges(range).collect()
10101 }
10102
10103 fn runnable_rows(
10104 project: Entity<Project>,
10105 snapshot: DisplaySnapshot,
10106 runnable_ranges: Vec<RunnableRange>,
10107 mut cx: AsyncWindowContext,
10108 ) -> Vec<((BufferId, u32), RunnableTasks)> {
10109 runnable_ranges
10110 .into_iter()
10111 .filter_map(|mut runnable| {
10112 let tasks = cx
10113 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
10114 .ok()?;
10115 if tasks.is_empty() {
10116 return None;
10117 }
10118
10119 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
10120
10121 let row = snapshot
10122 .buffer_snapshot
10123 .buffer_line_for_row(MultiBufferRow(point.row))?
10124 .1
10125 .start
10126 .row;
10127
10128 let context_range =
10129 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
10130 Some((
10131 (runnable.buffer_id, row),
10132 RunnableTasks {
10133 templates: tasks,
10134 offset: MultiBufferOffset(runnable.run_range.start),
10135 context_range,
10136 column: point.column,
10137 extra_variables: runnable.extra_captures,
10138 },
10139 ))
10140 })
10141 .collect()
10142 }
10143
10144 fn templates_with_tags(
10145 project: &Entity<Project>,
10146 runnable: &mut Runnable,
10147 cx: &mut App,
10148 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
10149 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
10150 let (worktree_id, file) = project
10151 .buffer_for_id(runnable.buffer, cx)
10152 .and_then(|buffer| buffer.read(cx).file())
10153 .map(|file| (file.worktree_id(cx), file.clone()))
10154 .unzip();
10155
10156 (
10157 project.task_store().read(cx).task_inventory().cloned(),
10158 worktree_id,
10159 file,
10160 )
10161 });
10162
10163 let tags = mem::take(&mut runnable.tags);
10164 let mut tags: Vec<_> = tags
10165 .into_iter()
10166 .flat_map(|tag| {
10167 let tag = tag.0.clone();
10168 inventory
10169 .as_ref()
10170 .into_iter()
10171 .flat_map(|inventory| {
10172 inventory.read(cx).list_tasks(
10173 file.clone(),
10174 Some(runnable.language.clone()),
10175 worktree_id,
10176 cx,
10177 )
10178 })
10179 .filter(move |(_, template)| {
10180 template.tags.iter().any(|source_tag| source_tag == &tag)
10181 })
10182 })
10183 .sorted_by_key(|(kind, _)| kind.to_owned())
10184 .collect();
10185 if let Some((leading_tag_source, _)) = tags.first() {
10186 // Strongest source wins; if we have worktree tag binding, prefer that to
10187 // global and language bindings;
10188 // if we have a global binding, prefer that to language binding.
10189 let first_mismatch = tags
10190 .iter()
10191 .position(|(tag_source, _)| tag_source != leading_tag_source);
10192 if let Some(index) = first_mismatch {
10193 tags.truncate(index);
10194 }
10195 }
10196
10197 tags
10198 }
10199
10200 pub fn move_to_enclosing_bracket(
10201 &mut self,
10202 _: &MoveToEnclosingBracket,
10203 window: &mut Window,
10204 cx: &mut Context<Self>,
10205 ) {
10206 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10207 s.move_offsets_with(|snapshot, selection| {
10208 let Some(enclosing_bracket_ranges) =
10209 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
10210 else {
10211 return;
10212 };
10213
10214 let mut best_length = usize::MAX;
10215 let mut best_inside = false;
10216 let mut best_in_bracket_range = false;
10217 let mut best_destination = None;
10218 for (open, close) in enclosing_bracket_ranges {
10219 let close = close.to_inclusive();
10220 let length = close.end() - open.start;
10221 let inside = selection.start >= open.end && selection.end <= *close.start();
10222 let in_bracket_range = open.to_inclusive().contains(&selection.head())
10223 || close.contains(&selection.head());
10224
10225 // If best is next to a bracket and current isn't, skip
10226 if !in_bracket_range && best_in_bracket_range {
10227 continue;
10228 }
10229
10230 // Prefer smaller lengths unless best is inside and current isn't
10231 if length > best_length && (best_inside || !inside) {
10232 continue;
10233 }
10234
10235 best_length = length;
10236 best_inside = inside;
10237 best_in_bracket_range = in_bracket_range;
10238 best_destination = Some(
10239 if close.contains(&selection.start) && close.contains(&selection.end) {
10240 if inside {
10241 open.end
10242 } else {
10243 open.start
10244 }
10245 } else if inside {
10246 *close.start()
10247 } else {
10248 *close.end()
10249 },
10250 );
10251 }
10252
10253 if let Some(destination) = best_destination {
10254 selection.collapse_to(destination, SelectionGoal::None);
10255 }
10256 })
10257 });
10258 }
10259
10260 pub fn undo_selection(
10261 &mut self,
10262 _: &UndoSelection,
10263 window: &mut Window,
10264 cx: &mut Context<Self>,
10265 ) {
10266 self.end_selection(window, cx);
10267 self.selection_history.mode = SelectionHistoryMode::Undoing;
10268 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
10269 self.change_selections(None, window, cx, |s| {
10270 s.select_anchors(entry.selections.to_vec())
10271 });
10272 self.select_next_state = entry.select_next_state;
10273 self.select_prev_state = entry.select_prev_state;
10274 self.add_selections_state = entry.add_selections_state;
10275 self.request_autoscroll(Autoscroll::newest(), cx);
10276 }
10277 self.selection_history.mode = SelectionHistoryMode::Normal;
10278 }
10279
10280 pub fn redo_selection(
10281 &mut self,
10282 _: &RedoSelection,
10283 window: &mut Window,
10284 cx: &mut Context<Self>,
10285 ) {
10286 self.end_selection(window, cx);
10287 self.selection_history.mode = SelectionHistoryMode::Redoing;
10288 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
10289 self.change_selections(None, window, cx, |s| {
10290 s.select_anchors(entry.selections.to_vec())
10291 });
10292 self.select_next_state = entry.select_next_state;
10293 self.select_prev_state = entry.select_prev_state;
10294 self.add_selections_state = entry.add_selections_state;
10295 self.request_autoscroll(Autoscroll::newest(), cx);
10296 }
10297 self.selection_history.mode = SelectionHistoryMode::Normal;
10298 }
10299
10300 pub fn expand_excerpts(
10301 &mut self,
10302 action: &ExpandExcerpts,
10303 _: &mut Window,
10304 cx: &mut Context<Self>,
10305 ) {
10306 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
10307 }
10308
10309 pub fn expand_excerpts_down(
10310 &mut self,
10311 action: &ExpandExcerptsDown,
10312 _: &mut Window,
10313 cx: &mut Context<Self>,
10314 ) {
10315 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
10316 }
10317
10318 pub fn expand_excerpts_up(
10319 &mut self,
10320 action: &ExpandExcerptsUp,
10321 _: &mut Window,
10322 cx: &mut Context<Self>,
10323 ) {
10324 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
10325 }
10326
10327 pub fn expand_excerpts_for_direction(
10328 &mut self,
10329 lines: u32,
10330 direction: ExpandExcerptDirection,
10331
10332 cx: &mut Context<Self>,
10333 ) {
10334 let selections = self.selections.disjoint_anchors();
10335
10336 let lines = if lines == 0 {
10337 EditorSettings::get_global(cx).expand_excerpt_lines
10338 } else {
10339 lines
10340 };
10341
10342 self.buffer.update(cx, |buffer, cx| {
10343 let snapshot = buffer.snapshot(cx);
10344 let mut excerpt_ids = selections
10345 .iter()
10346 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
10347 .collect::<Vec<_>>();
10348 excerpt_ids.sort();
10349 excerpt_ids.dedup();
10350 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
10351 })
10352 }
10353
10354 pub fn expand_excerpt(
10355 &mut self,
10356 excerpt: ExcerptId,
10357 direction: ExpandExcerptDirection,
10358 cx: &mut Context<Self>,
10359 ) {
10360 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
10361 self.buffer.update(cx, |buffer, cx| {
10362 buffer.expand_excerpts([excerpt], lines, direction, cx)
10363 })
10364 }
10365
10366 pub fn go_to_singleton_buffer_point(
10367 &mut self,
10368 point: Point,
10369 window: &mut Window,
10370 cx: &mut Context<Self>,
10371 ) {
10372 self.go_to_singleton_buffer_range(point..point, window, cx);
10373 }
10374
10375 pub fn go_to_singleton_buffer_range(
10376 &mut self,
10377 range: Range<Point>,
10378 window: &mut Window,
10379 cx: &mut Context<Self>,
10380 ) {
10381 let multibuffer = self.buffer().read(cx);
10382 let Some(buffer) = multibuffer.as_singleton() else {
10383 return;
10384 };
10385 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
10386 return;
10387 };
10388 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
10389 return;
10390 };
10391 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
10392 s.select_anchor_ranges([start..end])
10393 });
10394 }
10395
10396 fn go_to_diagnostic(
10397 &mut self,
10398 _: &GoToDiagnostic,
10399 window: &mut Window,
10400 cx: &mut Context<Self>,
10401 ) {
10402 self.go_to_diagnostic_impl(Direction::Next, window, cx)
10403 }
10404
10405 fn go_to_prev_diagnostic(
10406 &mut self,
10407 _: &GoToPrevDiagnostic,
10408 window: &mut Window,
10409 cx: &mut Context<Self>,
10410 ) {
10411 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
10412 }
10413
10414 pub fn go_to_diagnostic_impl(
10415 &mut self,
10416 direction: Direction,
10417 window: &mut Window,
10418 cx: &mut Context<Self>,
10419 ) {
10420 let buffer = self.buffer.read(cx).snapshot(cx);
10421 let selection = self.selections.newest::<usize>(cx);
10422
10423 // If there is an active Diagnostic Popover jump to its diagnostic instead.
10424 if direction == Direction::Next {
10425 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
10426 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
10427 return;
10428 };
10429 self.activate_diagnostics(
10430 buffer_id,
10431 popover.local_diagnostic.diagnostic.group_id,
10432 window,
10433 cx,
10434 );
10435 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
10436 let primary_range_start = active_diagnostics.primary_range.start;
10437 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10438 let mut new_selection = s.newest_anchor().clone();
10439 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
10440 s.select_anchors(vec![new_selection.clone()]);
10441 });
10442 self.refresh_inline_completion(false, true, window, cx);
10443 }
10444 return;
10445 }
10446 }
10447
10448 let active_group_id = self
10449 .active_diagnostics
10450 .as_ref()
10451 .map(|active_group| active_group.group_id);
10452 let active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
10453 active_diagnostics
10454 .primary_range
10455 .to_offset(&buffer)
10456 .to_inclusive()
10457 });
10458 let search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
10459 if active_primary_range.contains(&selection.head()) {
10460 *active_primary_range.start()
10461 } else {
10462 selection.head()
10463 }
10464 } else {
10465 selection.head()
10466 };
10467
10468 let snapshot = self.snapshot(window, cx);
10469 let primary_diagnostics_before = buffer
10470 .diagnostics_in_range::<usize>(0..search_start)
10471 .filter(|entry| entry.diagnostic.is_primary)
10472 .filter(|entry| entry.range.start != entry.range.end)
10473 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10474 .filter(|entry| !snapshot.intersects_fold(entry.range.start))
10475 .collect::<Vec<_>>();
10476 let last_same_group_diagnostic_before = active_group_id.and_then(|active_group_id| {
10477 primary_diagnostics_before
10478 .iter()
10479 .position(|entry| entry.diagnostic.group_id == active_group_id)
10480 });
10481
10482 let primary_diagnostics_after = buffer
10483 .diagnostics_in_range::<usize>(search_start..buffer.len())
10484 .filter(|entry| entry.diagnostic.is_primary)
10485 .filter(|entry| entry.range.start != entry.range.end)
10486 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10487 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
10488 .collect::<Vec<_>>();
10489 let last_same_group_diagnostic_after = active_group_id.and_then(|active_group_id| {
10490 primary_diagnostics_after
10491 .iter()
10492 .enumerate()
10493 .rev()
10494 .find_map(|(i, entry)| {
10495 if entry.diagnostic.group_id == active_group_id {
10496 Some(i)
10497 } else {
10498 None
10499 }
10500 })
10501 });
10502
10503 let next_primary_diagnostic = match direction {
10504 Direction::Prev => primary_diagnostics_before
10505 .iter()
10506 .take(last_same_group_diagnostic_before.unwrap_or(usize::MAX))
10507 .rev()
10508 .next(),
10509 Direction::Next => primary_diagnostics_after
10510 .iter()
10511 .skip(
10512 last_same_group_diagnostic_after
10513 .map(|index| index + 1)
10514 .unwrap_or(0),
10515 )
10516 .next(),
10517 };
10518
10519 // Cycle around to the start of the buffer, potentially moving back to the start of
10520 // the currently active diagnostic.
10521 let cycle_around = || match direction {
10522 Direction::Prev => primary_diagnostics_after
10523 .iter()
10524 .rev()
10525 .chain(primary_diagnostics_before.iter().rev())
10526 .next(),
10527 Direction::Next => primary_diagnostics_before
10528 .iter()
10529 .chain(primary_diagnostics_after.iter())
10530 .next(),
10531 };
10532
10533 if let Some((primary_range, group_id)) = next_primary_diagnostic
10534 .or_else(cycle_around)
10535 .map(|entry| (&entry.range, entry.diagnostic.group_id))
10536 {
10537 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
10538 return;
10539 };
10540 self.activate_diagnostics(buffer_id, group_id, window, cx);
10541 if self.active_diagnostics.is_some() {
10542 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10543 s.select(vec![Selection {
10544 id: selection.id,
10545 start: primary_range.start,
10546 end: primary_range.start,
10547 reversed: false,
10548 goal: SelectionGoal::None,
10549 }]);
10550 });
10551 self.refresh_inline_completion(false, true, window, cx);
10552 }
10553 }
10554 }
10555
10556 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
10557 let snapshot = self.snapshot(window, cx);
10558 let selection = self.selections.newest::<Point>(cx);
10559 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
10560 }
10561
10562 fn go_to_hunk_after_position(
10563 &mut self,
10564 snapshot: &EditorSnapshot,
10565 position: Point,
10566 window: &mut Window,
10567 cx: &mut Context<Editor>,
10568 ) -> Option<MultiBufferDiffHunk> {
10569 let mut hunk = snapshot
10570 .buffer_snapshot
10571 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
10572 .find(|hunk| hunk.row_range.start.0 > position.row);
10573 if hunk.is_none() {
10574 hunk = snapshot
10575 .buffer_snapshot
10576 .diff_hunks_in_range(Point::zero()..position)
10577 .find(|hunk| hunk.row_range.end.0 < position.row)
10578 }
10579 if let Some(hunk) = &hunk {
10580 let destination = Point::new(hunk.row_range.start.0, 0);
10581 self.unfold_ranges(&[destination..destination], false, false, cx);
10582 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10583 s.select_ranges(vec![destination..destination]);
10584 });
10585 }
10586
10587 hunk
10588 }
10589
10590 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
10591 let snapshot = self.snapshot(window, cx);
10592 let selection = self.selections.newest::<Point>(cx);
10593 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
10594 }
10595
10596 fn go_to_hunk_before_position(
10597 &mut self,
10598 snapshot: &EditorSnapshot,
10599 position: Point,
10600 window: &mut Window,
10601 cx: &mut Context<Editor>,
10602 ) -> Option<MultiBufferDiffHunk> {
10603 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
10604 if hunk.is_none() {
10605 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
10606 }
10607 if let Some(hunk) = &hunk {
10608 let destination = Point::new(hunk.row_range.start.0, 0);
10609 self.unfold_ranges(&[destination..destination], false, false, cx);
10610 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10611 s.select_ranges(vec![destination..destination]);
10612 });
10613 }
10614
10615 hunk
10616 }
10617
10618 pub fn go_to_definition(
10619 &mut self,
10620 _: &GoToDefinition,
10621 window: &mut Window,
10622 cx: &mut Context<Self>,
10623 ) -> Task<Result<Navigated>> {
10624 let definition =
10625 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10626 cx.spawn_in(window, |editor, mut cx| async move {
10627 if definition.await? == Navigated::Yes {
10628 return Ok(Navigated::Yes);
10629 }
10630 match editor.update_in(&mut cx, |editor, window, cx| {
10631 editor.find_all_references(&FindAllReferences, window, cx)
10632 })? {
10633 Some(references) => references.await,
10634 None => Ok(Navigated::No),
10635 }
10636 })
10637 }
10638
10639 pub fn go_to_declaration(
10640 &mut self,
10641 _: &GoToDeclaration,
10642 window: &mut Window,
10643 cx: &mut Context<Self>,
10644 ) -> Task<Result<Navigated>> {
10645 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10646 }
10647
10648 pub fn go_to_declaration_split(
10649 &mut self,
10650 _: &GoToDeclaration,
10651 window: &mut Window,
10652 cx: &mut Context<Self>,
10653 ) -> Task<Result<Navigated>> {
10654 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10655 }
10656
10657 pub fn go_to_implementation(
10658 &mut self,
10659 _: &GoToImplementation,
10660 window: &mut Window,
10661 cx: &mut Context<Self>,
10662 ) -> Task<Result<Navigated>> {
10663 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10664 }
10665
10666 pub fn go_to_implementation_split(
10667 &mut self,
10668 _: &GoToImplementationSplit,
10669 window: &mut Window,
10670 cx: &mut Context<Self>,
10671 ) -> Task<Result<Navigated>> {
10672 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10673 }
10674
10675 pub fn go_to_type_definition(
10676 &mut self,
10677 _: &GoToTypeDefinition,
10678 window: &mut Window,
10679 cx: &mut Context<Self>,
10680 ) -> Task<Result<Navigated>> {
10681 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10682 }
10683
10684 pub fn go_to_definition_split(
10685 &mut self,
10686 _: &GoToDefinitionSplit,
10687 window: &mut Window,
10688 cx: &mut Context<Self>,
10689 ) -> Task<Result<Navigated>> {
10690 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10691 }
10692
10693 pub fn go_to_type_definition_split(
10694 &mut self,
10695 _: &GoToTypeDefinitionSplit,
10696 window: &mut Window,
10697 cx: &mut Context<Self>,
10698 ) -> Task<Result<Navigated>> {
10699 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10700 }
10701
10702 fn go_to_definition_of_kind(
10703 &mut self,
10704 kind: GotoDefinitionKind,
10705 split: bool,
10706 window: &mut Window,
10707 cx: &mut Context<Self>,
10708 ) -> Task<Result<Navigated>> {
10709 let Some(provider) = self.semantics_provider.clone() else {
10710 return Task::ready(Ok(Navigated::No));
10711 };
10712 let head = self.selections.newest::<usize>(cx).head();
10713 let buffer = self.buffer.read(cx);
10714 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10715 text_anchor
10716 } else {
10717 return Task::ready(Ok(Navigated::No));
10718 };
10719
10720 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10721 return Task::ready(Ok(Navigated::No));
10722 };
10723
10724 cx.spawn_in(window, |editor, mut cx| async move {
10725 let definitions = definitions.await?;
10726 let navigated = editor
10727 .update_in(&mut cx, |editor, window, cx| {
10728 editor.navigate_to_hover_links(
10729 Some(kind),
10730 definitions
10731 .into_iter()
10732 .filter(|location| {
10733 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10734 })
10735 .map(HoverLink::Text)
10736 .collect::<Vec<_>>(),
10737 split,
10738 window,
10739 cx,
10740 )
10741 })?
10742 .await?;
10743 anyhow::Ok(navigated)
10744 })
10745 }
10746
10747 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10748 let selection = self.selections.newest_anchor();
10749 let head = selection.head();
10750 let tail = selection.tail();
10751
10752 let Some((buffer, start_position)) =
10753 self.buffer.read(cx).text_anchor_for_position(head, cx)
10754 else {
10755 return;
10756 };
10757
10758 let end_position = if head != tail {
10759 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10760 return;
10761 };
10762 Some(pos)
10763 } else {
10764 None
10765 };
10766
10767 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10768 let url = if let Some(end_pos) = end_position {
10769 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10770 } else {
10771 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10772 };
10773
10774 if let Some(url) = url {
10775 editor.update(&mut cx, |_, cx| {
10776 cx.open_url(&url);
10777 })
10778 } else {
10779 Ok(())
10780 }
10781 });
10782
10783 url_finder.detach();
10784 }
10785
10786 pub fn open_selected_filename(
10787 &mut self,
10788 _: &OpenSelectedFilename,
10789 window: &mut Window,
10790 cx: &mut Context<Self>,
10791 ) {
10792 let Some(workspace) = self.workspace() else {
10793 return;
10794 };
10795
10796 let position = self.selections.newest_anchor().head();
10797
10798 let Some((buffer, buffer_position)) =
10799 self.buffer.read(cx).text_anchor_for_position(position, cx)
10800 else {
10801 return;
10802 };
10803
10804 let project = self.project.clone();
10805
10806 cx.spawn_in(window, |_, mut cx| async move {
10807 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10808
10809 if let Some((_, path)) = result {
10810 workspace
10811 .update_in(&mut cx, |workspace, window, cx| {
10812 workspace.open_resolved_path(path, window, cx)
10813 })?
10814 .await?;
10815 }
10816 anyhow::Ok(())
10817 })
10818 .detach();
10819 }
10820
10821 pub(crate) fn navigate_to_hover_links(
10822 &mut self,
10823 kind: Option<GotoDefinitionKind>,
10824 mut definitions: Vec<HoverLink>,
10825 split: bool,
10826 window: &mut Window,
10827 cx: &mut Context<Editor>,
10828 ) -> Task<Result<Navigated>> {
10829 // If there is one definition, just open it directly
10830 if definitions.len() == 1 {
10831 let definition = definitions.pop().unwrap();
10832
10833 enum TargetTaskResult {
10834 Location(Option<Location>),
10835 AlreadyNavigated,
10836 }
10837
10838 let target_task = match definition {
10839 HoverLink::Text(link) => {
10840 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10841 }
10842 HoverLink::InlayHint(lsp_location, server_id) => {
10843 let computation =
10844 self.compute_target_location(lsp_location, server_id, window, cx);
10845 cx.background_executor().spawn(async move {
10846 let location = computation.await?;
10847 Ok(TargetTaskResult::Location(location))
10848 })
10849 }
10850 HoverLink::Url(url) => {
10851 cx.open_url(&url);
10852 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10853 }
10854 HoverLink::File(path) => {
10855 if let Some(workspace) = self.workspace() {
10856 cx.spawn_in(window, |_, mut cx| async move {
10857 workspace
10858 .update_in(&mut cx, |workspace, window, cx| {
10859 workspace.open_resolved_path(path, window, cx)
10860 })?
10861 .await
10862 .map(|_| TargetTaskResult::AlreadyNavigated)
10863 })
10864 } else {
10865 Task::ready(Ok(TargetTaskResult::Location(None)))
10866 }
10867 }
10868 };
10869 cx.spawn_in(window, |editor, mut cx| async move {
10870 let target = match target_task.await.context("target resolution task")? {
10871 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10872 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10873 TargetTaskResult::Location(Some(target)) => target,
10874 };
10875
10876 editor.update_in(&mut cx, |editor, window, cx| {
10877 let Some(workspace) = editor.workspace() else {
10878 return Navigated::No;
10879 };
10880 let pane = workspace.read(cx).active_pane().clone();
10881
10882 let range = target.range.to_point(target.buffer.read(cx));
10883 let range = editor.range_for_match(&range);
10884 let range = collapse_multiline_range(range);
10885
10886 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10887 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10888 } else {
10889 window.defer(cx, move |window, cx| {
10890 let target_editor: Entity<Self> =
10891 workspace.update(cx, |workspace, cx| {
10892 let pane = if split {
10893 workspace.adjacent_pane(window, cx)
10894 } else {
10895 workspace.active_pane().clone()
10896 };
10897
10898 workspace.open_project_item(
10899 pane,
10900 target.buffer.clone(),
10901 true,
10902 true,
10903 window,
10904 cx,
10905 )
10906 });
10907 target_editor.update(cx, |target_editor, cx| {
10908 // When selecting a definition in a different buffer, disable the nav history
10909 // to avoid creating a history entry at the previous cursor location.
10910 pane.update(cx, |pane, _| pane.disable_history());
10911 target_editor.go_to_singleton_buffer_range(range, window, cx);
10912 pane.update(cx, |pane, _| pane.enable_history());
10913 });
10914 });
10915 }
10916 Navigated::Yes
10917 })
10918 })
10919 } else if !definitions.is_empty() {
10920 cx.spawn_in(window, |editor, mut cx| async move {
10921 let (title, location_tasks, workspace) = editor
10922 .update_in(&mut cx, |editor, window, cx| {
10923 let tab_kind = match kind {
10924 Some(GotoDefinitionKind::Implementation) => "Implementations",
10925 _ => "Definitions",
10926 };
10927 let title = definitions
10928 .iter()
10929 .find_map(|definition| match definition {
10930 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10931 let buffer = origin.buffer.read(cx);
10932 format!(
10933 "{} for {}",
10934 tab_kind,
10935 buffer
10936 .text_for_range(origin.range.clone())
10937 .collect::<String>()
10938 )
10939 }),
10940 HoverLink::InlayHint(_, _) => None,
10941 HoverLink::Url(_) => None,
10942 HoverLink::File(_) => None,
10943 })
10944 .unwrap_or(tab_kind.to_string());
10945 let location_tasks = definitions
10946 .into_iter()
10947 .map(|definition| match definition {
10948 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10949 HoverLink::InlayHint(lsp_location, server_id) => editor
10950 .compute_target_location(lsp_location, server_id, window, cx),
10951 HoverLink::Url(_) => Task::ready(Ok(None)),
10952 HoverLink::File(_) => Task::ready(Ok(None)),
10953 })
10954 .collect::<Vec<_>>();
10955 (title, location_tasks, editor.workspace().clone())
10956 })
10957 .context("location tasks preparation")?;
10958
10959 let locations = future::join_all(location_tasks)
10960 .await
10961 .into_iter()
10962 .filter_map(|location| location.transpose())
10963 .collect::<Result<_>>()
10964 .context("location tasks")?;
10965
10966 let Some(workspace) = workspace else {
10967 return Ok(Navigated::No);
10968 };
10969 let opened = workspace
10970 .update_in(&mut cx, |workspace, window, cx| {
10971 Self::open_locations_in_multibuffer(
10972 workspace,
10973 locations,
10974 title,
10975 split,
10976 MultibufferSelectionMode::First,
10977 window,
10978 cx,
10979 )
10980 })
10981 .ok();
10982
10983 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10984 })
10985 } else {
10986 Task::ready(Ok(Navigated::No))
10987 }
10988 }
10989
10990 fn compute_target_location(
10991 &self,
10992 lsp_location: lsp::Location,
10993 server_id: LanguageServerId,
10994 window: &mut Window,
10995 cx: &mut Context<Self>,
10996 ) -> Task<anyhow::Result<Option<Location>>> {
10997 let Some(project) = self.project.clone() else {
10998 return Task::ready(Ok(None));
10999 };
11000
11001 cx.spawn_in(window, move |editor, mut cx| async move {
11002 let location_task = editor.update(&mut cx, |_, cx| {
11003 project.update(cx, |project, cx| {
11004 let language_server_name = project
11005 .language_server_statuses(cx)
11006 .find(|(id, _)| server_id == *id)
11007 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
11008 language_server_name.map(|language_server_name| {
11009 project.open_local_buffer_via_lsp(
11010 lsp_location.uri.clone(),
11011 server_id,
11012 language_server_name,
11013 cx,
11014 )
11015 })
11016 })
11017 })?;
11018 let location = match location_task {
11019 Some(task) => Some({
11020 let target_buffer_handle = task.await.context("open local buffer")?;
11021 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
11022 let target_start = target_buffer
11023 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
11024 let target_end = target_buffer
11025 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
11026 target_buffer.anchor_after(target_start)
11027 ..target_buffer.anchor_before(target_end)
11028 })?;
11029 Location {
11030 buffer: target_buffer_handle,
11031 range,
11032 }
11033 }),
11034 None => None,
11035 };
11036 Ok(location)
11037 })
11038 }
11039
11040 pub fn find_all_references(
11041 &mut self,
11042 _: &FindAllReferences,
11043 window: &mut Window,
11044 cx: &mut Context<Self>,
11045 ) -> Option<Task<Result<Navigated>>> {
11046 let selection = self.selections.newest::<usize>(cx);
11047 let multi_buffer = self.buffer.read(cx);
11048 let head = selection.head();
11049
11050 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
11051 let head_anchor = multi_buffer_snapshot.anchor_at(
11052 head,
11053 if head < selection.tail() {
11054 Bias::Right
11055 } else {
11056 Bias::Left
11057 },
11058 );
11059
11060 match self
11061 .find_all_references_task_sources
11062 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
11063 {
11064 Ok(_) => {
11065 log::info!(
11066 "Ignoring repeated FindAllReferences invocation with the position of already running task"
11067 );
11068 return None;
11069 }
11070 Err(i) => {
11071 self.find_all_references_task_sources.insert(i, head_anchor);
11072 }
11073 }
11074
11075 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
11076 let workspace = self.workspace()?;
11077 let project = workspace.read(cx).project().clone();
11078 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
11079 Some(cx.spawn_in(window, |editor, mut cx| async move {
11080 let _cleanup = defer({
11081 let mut cx = cx.clone();
11082 move || {
11083 let _ = editor.update(&mut cx, |editor, _| {
11084 if let Ok(i) =
11085 editor
11086 .find_all_references_task_sources
11087 .binary_search_by(|anchor| {
11088 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
11089 })
11090 {
11091 editor.find_all_references_task_sources.remove(i);
11092 }
11093 });
11094 }
11095 });
11096
11097 let locations = references.await?;
11098 if locations.is_empty() {
11099 return anyhow::Ok(Navigated::No);
11100 }
11101
11102 workspace.update_in(&mut cx, |workspace, window, cx| {
11103 let title = locations
11104 .first()
11105 .as_ref()
11106 .map(|location| {
11107 let buffer = location.buffer.read(cx);
11108 format!(
11109 "References to `{}`",
11110 buffer
11111 .text_for_range(location.range.clone())
11112 .collect::<String>()
11113 )
11114 })
11115 .unwrap();
11116 Self::open_locations_in_multibuffer(
11117 workspace,
11118 locations,
11119 title,
11120 false,
11121 MultibufferSelectionMode::First,
11122 window,
11123 cx,
11124 );
11125 Navigated::Yes
11126 })
11127 }))
11128 }
11129
11130 /// Opens a multibuffer with the given project locations in it
11131 pub fn open_locations_in_multibuffer(
11132 workspace: &mut Workspace,
11133 mut locations: Vec<Location>,
11134 title: String,
11135 split: bool,
11136 multibuffer_selection_mode: MultibufferSelectionMode,
11137 window: &mut Window,
11138 cx: &mut Context<Workspace>,
11139 ) {
11140 // If there are multiple definitions, open them in a multibuffer
11141 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
11142 let mut locations = locations.into_iter().peekable();
11143 let mut ranges = Vec::new();
11144 let capability = workspace.project().read(cx).capability();
11145
11146 let excerpt_buffer = cx.new(|cx| {
11147 let mut multibuffer = MultiBuffer::new(capability);
11148 while let Some(location) = locations.next() {
11149 let buffer = location.buffer.read(cx);
11150 let mut ranges_for_buffer = Vec::new();
11151 let range = location.range.to_offset(buffer);
11152 ranges_for_buffer.push(range.clone());
11153
11154 while let Some(next_location) = locations.peek() {
11155 if next_location.buffer == location.buffer {
11156 ranges_for_buffer.push(next_location.range.to_offset(buffer));
11157 locations.next();
11158 } else {
11159 break;
11160 }
11161 }
11162
11163 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
11164 ranges.extend(multibuffer.push_excerpts_with_context_lines(
11165 location.buffer.clone(),
11166 ranges_for_buffer,
11167 DEFAULT_MULTIBUFFER_CONTEXT,
11168 cx,
11169 ))
11170 }
11171
11172 multibuffer.with_title(title)
11173 });
11174
11175 let editor = cx.new(|cx| {
11176 Editor::for_multibuffer(
11177 excerpt_buffer,
11178 Some(workspace.project().clone()),
11179 true,
11180 window,
11181 cx,
11182 )
11183 });
11184 editor.update(cx, |editor, cx| {
11185 match multibuffer_selection_mode {
11186 MultibufferSelectionMode::First => {
11187 if let Some(first_range) = ranges.first() {
11188 editor.change_selections(None, window, cx, |selections| {
11189 selections.clear_disjoint();
11190 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
11191 });
11192 }
11193 editor.highlight_background::<Self>(
11194 &ranges,
11195 |theme| theme.editor_highlighted_line_background,
11196 cx,
11197 );
11198 }
11199 MultibufferSelectionMode::All => {
11200 editor.change_selections(None, window, cx, |selections| {
11201 selections.clear_disjoint();
11202 selections.select_anchor_ranges(ranges);
11203 });
11204 }
11205 }
11206 editor.register_buffers_with_language_servers(cx);
11207 });
11208
11209 let item = Box::new(editor);
11210 let item_id = item.item_id();
11211
11212 if split {
11213 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
11214 } else {
11215 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
11216 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
11217 pane.close_current_preview_item(window, cx)
11218 } else {
11219 None
11220 }
11221 });
11222 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
11223 }
11224 workspace.active_pane().update(cx, |pane, cx| {
11225 pane.set_preview_item_id(Some(item_id), cx);
11226 });
11227 }
11228
11229 pub fn rename(
11230 &mut self,
11231 _: &Rename,
11232 window: &mut Window,
11233 cx: &mut Context<Self>,
11234 ) -> Option<Task<Result<()>>> {
11235 use language::ToOffset as _;
11236
11237 let provider = self.semantics_provider.clone()?;
11238 let selection = self.selections.newest_anchor().clone();
11239 let (cursor_buffer, cursor_buffer_position) = self
11240 .buffer
11241 .read(cx)
11242 .text_anchor_for_position(selection.head(), cx)?;
11243 let (tail_buffer, cursor_buffer_position_end) = self
11244 .buffer
11245 .read(cx)
11246 .text_anchor_for_position(selection.tail(), cx)?;
11247 if tail_buffer != cursor_buffer {
11248 return None;
11249 }
11250
11251 let snapshot = cursor_buffer.read(cx).snapshot();
11252 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
11253 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
11254 let prepare_rename = provider
11255 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
11256 .unwrap_or_else(|| Task::ready(Ok(None)));
11257 drop(snapshot);
11258
11259 Some(cx.spawn_in(window, |this, mut cx| async move {
11260 let rename_range = if let Some(range) = prepare_rename.await? {
11261 Some(range)
11262 } else {
11263 this.update(&mut cx, |this, cx| {
11264 let buffer = this.buffer.read(cx).snapshot(cx);
11265 let mut buffer_highlights = this
11266 .document_highlights_for_position(selection.head(), &buffer)
11267 .filter(|highlight| {
11268 highlight.start.excerpt_id == selection.head().excerpt_id
11269 && highlight.end.excerpt_id == selection.head().excerpt_id
11270 });
11271 buffer_highlights
11272 .next()
11273 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
11274 })?
11275 };
11276 if let Some(rename_range) = rename_range {
11277 this.update_in(&mut cx, |this, window, cx| {
11278 let snapshot = cursor_buffer.read(cx).snapshot();
11279 let rename_buffer_range = rename_range.to_offset(&snapshot);
11280 let cursor_offset_in_rename_range =
11281 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
11282 let cursor_offset_in_rename_range_end =
11283 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
11284
11285 this.take_rename(false, window, cx);
11286 let buffer = this.buffer.read(cx).read(cx);
11287 let cursor_offset = selection.head().to_offset(&buffer);
11288 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
11289 let rename_end = rename_start + rename_buffer_range.len();
11290 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
11291 let mut old_highlight_id = None;
11292 let old_name: Arc<str> = buffer
11293 .chunks(rename_start..rename_end, true)
11294 .map(|chunk| {
11295 if old_highlight_id.is_none() {
11296 old_highlight_id = chunk.syntax_highlight_id;
11297 }
11298 chunk.text
11299 })
11300 .collect::<String>()
11301 .into();
11302
11303 drop(buffer);
11304
11305 // Position the selection in the rename editor so that it matches the current selection.
11306 this.show_local_selections = false;
11307 let rename_editor = cx.new(|cx| {
11308 let mut editor = Editor::single_line(window, cx);
11309 editor.buffer.update(cx, |buffer, cx| {
11310 buffer.edit([(0..0, old_name.clone())], None, cx)
11311 });
11312 let rename_selection_range = match cursor_offset_in_rename_range
11313 .cmp(&cursor_offset_in_rename_range_end)
11314 {
11315 Ordering::Equal => {
11316 editor.select_all(&SelectAll, window, cx);
11317 return editor;
11318 }
11319 Ordering::Less => {
11320 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
11321 }
11322 Ordering::Greater => {
11323 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
11324 }
11325 };
11326 if rename_selection_range.end > old_name.len() {
11327 editor.select_all(&SelectAll, window, cx);
11328 } else {
11329 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
11330 s.select_ranges([rename_selection_range]);
11331 });
11332 }
11333 editor
11334 });
11335 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
11336 if e == &EditorEvent::Focused {
11337 cx.emit(EditorEvent::FocusedIn)
11338 }
11339 })
11340 .detach();
11341
11342 let write_highlights =
11343 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
11344 let read_highlights =
11345 this.clear_background_highlights::<DocumentHighlightRead>(cx);
11346 let ranges = write_highlights
11347 .iter()
11348 .flat_map(|(_, ranges)| ranges.iter())
11349 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
11350 .cloned()
11351 .collect();
11352
11353 this.highlight_text::<Rename>(
11354 ranges,
11355 HighlightStyle {
11356 fade_out: Some(0.6),
11357 ..Default::default()
11358 },
11359 cx,
11360 );
11361 let rename_focus_handle = rename_editor.focus_handle(cx);
11362 window.focus(&rename_focus_handle);
11363 let block_id = this.insert_blocks(
11364 [BlockProperties {
11365 style: BlockStyle::Flex,
11366 placement: BlockPlacement::Below(range.start),
11367 height: 1,
11368 render: Arc::new({
11369 let rename_editor = rename_editor.clone();
11370 move |cx: &mut BlockContext| {
11371 let mut text_style = cx.editor_style.text.clone();
11372 if let Some(highlight_style) = old_highlight_id
11373 .and_then(|h| h.style(&cx.editor_style.syntax))
11374 {
11375 text_style = text_style.highlight(highlight_style);
11376 }
11377 div()
11378 .block_mouse_down()
11379 .pl(cx.anchor_x)
11380 .child(EditorElement::new(
11381 &rename_editor,
11382 EditorStyle {
11383 background: cx.theme().system().transparent,
11384 local_player: cx.editor_style.local_player,
11385 text: text_style,
11386 scrollbar_width: cx.editor_style.scrollbar_width,
11387 syntax: cx.editor_style.syntax.clone(),
11388 status: cx.editor_style.status.clone(),
11389 inlay_hints_style: HighlightStyle {
11390 font_weight: Some(FontWeight::BOLD),
11391 ..make_inlay_hints_style(cx.app)
11392 },
11393 inline_completion_styles: make_suggestion_styles(
11394 cx.app,
11395 ),
11396 ..EditorStyle::default()
11397 },
11398 ))
11399 .into_any_element()
11400 }
11401 }),
11402 priority: 0,
11403 }],
11404 Some(Autoscroll::fit()),
11405 cx,
11406 )[0];
11407 this.pending_rename = Some(RenameState {
11408 range,
11409 old_name,
11410 editor: rename_editor,
11411 block_id,
11412 });
11413 })?;
11414 }
11415
11416 Ok(())
11417 }))
11418 }
11419
11420 pub fn confirm_rename(
11421 &mut self,
11422 _: &ConfirmRename,
11423 window: &mut Window,
11424 cx: &mut Context<Self>,
11425 ) -> Option<Task<Result<()>>> {
11426 let rename = self.take_rename(false, window, cx)?;
11427 let workspace = self.workspace()?.downgrade();
11428 let (buffer, start) = self
11429 .buffer
11430 .read(cx)
11431 .text_anchor_for_position(rename.range.start, cx)?;
11432 let (end_buffer, _) = self
11433 .buffer
11434 .read(cx)
11435 .text_anchor_for_position(rename.range.end, cx)?;
11436 if buffer != end_buffer {
11437 return None;
11438 }
11439
11440 let old_name = rename.old_name;
11441 let new_name = rename.editor.read(cx).text(cx);
11442
11443 let rename = self.semantics_provider.as_ref()?.perform_rename(
11444 &buffer,
11445 start,
11446 new_name.clone(),
11447 cx,
11448 )?;
11449
11450 Some(cx.spawn_in(window, |editor, mut cx| async move {
11451 let project_transaction = rename.await?;
11452 Self::open_project_transaction(
11453 &editor,
11454 workspace,
11455 project_transaction,
11456 format!("Rename: {} → {}", old_name, new_name),
11457 cx.clone(),
11458 )
11459 .await?;
11460
11461 editor.update(&mut cx, |editor, cx| {
11462 editor.refresh_document_highlights(cx);
11463 })?;
11464 Ok(())
11465 }))
11466 }
11467
11468 fn take_rename(
11469 &mut self,
11470 moving_cursor: bool,
11471 window: &mut Window,
11472 cx: &mut Context<Self>,
11473 ) -> Option<RenameState> {
11474 let rename = self.pending_rename.take()?;
11475 if rename.editor.focus_handle(cx).is_focused(window) {
11476 window.focus(&self.focus_handle);
11477 }
11478
11479 self.remove_blocks(
11480 [rename.block_id].into_iter().collect(),
11481 Some(Autoscroll::fit()),
11482 cx,
11483 );
11484 self.clear_highlights::<Rename>(cx);
11485 self.show_local_selections = true;
11486
11487 if moving_cursor {
11488 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
11489 editor.selections.newest::<usize>(cx).head()
11490 });
11491
11492 // Update the selection to match the position of the selection inside
11493 // the rename editor.
11494 let snapshot = self.buffer.read(cx).read(cx);
11495 let rename_range = rename.range.to_offset(&snapshot);
11496 let cursor_in_editor = snapshot
11497 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
11498 .min(rename_range.end);
11499 drop(snapshot);
11500
11501 self.change_selections(None, window, cx, |s| {
11502 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
11503 });
11504 } else {
11505 self.refresh_document_highlights(cx);
11506 }
11507
11508 Some(rename)
11509 }
11510
11511 pub fn pending_rename(&self) -> Option<&RenameState> {
11512 self.pending_rename.as_ref()
11513 }
11514
11515 fn format(
11516 &mut self,
11517 _: &Format,
11518 window: &mut Window,
11519 cx: &mut Context<Self>,
11520 ) -> Option<Task<Result<()>>> {
11521 let project = match &self.project {
11522 Some(project) => project.clone(),
11523 None => return None,
11524 };
11525
11526 Some(self.perform_format(
11527 project,
11528 FormatTrigger::Manual,
11529 FormatTarget::Buffers,
11530 window,
11531 cx,
11532 ))
11533 }
11534
11535 fn format_selections(
11536 &mut self,
11537 _: &FormatSelections,
11538 window: &mut Window,
11539 cx: &mut Context<Self>,
11540 ) -> Option<Task<Result<()>>> {
11541 let project = match &self.project {
11542 Some(project) => project.clone(),
11543 None => return None,
11544 };
11545
11546 let ranges = self
11547 .selections
11548 .all_adjusted(cx)
11549 .into_iter()
11550 .map(|selection| selection.range())
11551 .collect_vec();
11552
11553 Some(self.perform_format(
11554 project,
11555 FormatTrigger::Manual,
11556 FormatTarget::Ranges(ranges),
11557 window,
11558 cx,
11559 ))
11560 }
11561
11562 fn perform_format(
11563 &mut self,
11564 project: Entity<Project>,
11565 trigger: FormatTrigger,
11566 target: FormatTarget,
11567 window: &mut Window,
11568 cx: &mut Context<Self>,
11569 ) -> Task<Result<()>> {
11570 let buffer = self.buffer.clone();
11571 let (buffers, target) = match target {
11572 FormatTarget::Buffers => {
11573 let mut buffers = buffer.read(cx).all_buffers();
11574 if trigger == FormatTrigger::Save {
11575 buffers.retain(|buffer| buffer.read(cx).is_dirty());
11576 }
11577 (buffers, LspFormatTarget::Buffers)
11578 }
11579 FormatTarget::Ranges(selection_ranges) => {
11580 let multi_buffer = buffer.read(cx);
11581 let snapshot = multi_buffer.read(cx);
11582 let mut buffers = HashSet::default();
11583 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
11584 BTreeMap::new();
11585 for selection_range in selection_ranges {
11586 for (buffer, buffer_range, _) in
11587 snapshot.range_to_buffer_ranges(selection_range)
11588 {
11589 let buffer_id = buffer.remote_id();
11590 let start = buffer.anchor_before(buffer_range.start);
11591 let end = buffer.anchor_after(buffer_range.end);
11592 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
11593 buffer_id_to_ranges
11594 .entry(buffer_id)
11595 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
11596 .or_insert_with(|| vec![start..end]);
11597 }
11598 }
11599 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
11600 }
11601 };
11602
11603 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
11604 let format = project.update(cx, |project, cx| {
11605 project.format(buffers, target, true, trigger, cx)
11606 });
11607
11608 cx.spawn_in(window, |_, mut cx| async move {
11609 let transaction = futures::select_biased! {
11610 () = timeout => {
11611 log::warn!("timed out waiting for formatting");
11612 None
11613 }
11614 transaction = format.log_err().fuse() => transaction,
11615 };
11616
11617 buffer
11618 .update(&mut cx, |buffer, cx| {
11619 if let Some(transaction) = transaction {
11620 if !buffer.is_singleton() {
11621 buffer.push_transaction(&transaction.0, cx);
11622 }
11623 }
11624
11625 cx.notify();
11626 })
11627 .ok();
11628
11629 Ok(())
11630 })
11631 }
11632
11633 fn restart_language_server(
11634 &mut self,
11635 _: &RestartLanguageServer,
11636 _: &mut Window,
11637 cx: &mut Context<Self>,
11638 ) {
11639 if let Some(project) = self.project.clone() {
11640 self.buffer.update(cx, |multi_buffer, cx| {
11641 project.update(cx, |project, cx| {
11642 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11643 });
11644 })
11645 }
11646 }
11647
11648 fn cancel_language_server_work(
11649 workspace: &mut Workspace,
11650 _: &actions::CancelLanguageServerWork,
11651 _: &mut Window,
11652 cx: &mut Context<Workspace>,
11653 ) {
11654 let project = workspace.project();
11655 let buffers = workspace
11656 .active_item(cx)
11657 .and_then(|item| item.act_as::<Editor>(cx))
11658 .map_or(HashSet::default(), |editor| {
11659 editor.read(cx).buffer.read(cx).all_buffers()
11660 });
11661 project.update(cx, |project, cx| {
11662 project.cancel_language_server_work_for_buffers(buffers, cx);
11663 });
11664 }
11665
11666 fn show_character_palette(
11667 &mut self,
11668 _: &ShowCharacterPalette,
11669 window: &mut Window,
11670 _: &mut Context<Self>,
11671 ) {
11672 window.show_character_palette();
11673 }
11674
11675 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11676 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11677 let buffer = self.buffer.read(cx).snapshot(cx);
11678 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11679 let primary_range_end = active_diagnostics.primary_range.end.to_offset(&buffer);
11680 let is_valid = buffer
11681 .diagnostics_in_range::<usize>(primary_range_start..primary_range_end)
11682 .any(|entry| {
11683 entry.diagnostic.is_primary
11684 && !entry.range.is_empty()
11685 && entry.range.start == primary_range_start
11686 && entry.diagnostic.message == active_diagnostics.primary_message
11687 });
11688
11689 if is_valid != active_diagnostics.is_valid {
11690 active_diagnostics.is_valid = is_valid;
11691 let mut new_styles = HashMap::default();
11692 for (block_id, diagnostic) in &active_diagnostics.blocks {
11693 new_styles.insert(
11694 *block_id,
11695 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11696 );
11697 }
11698 self.display_map.update(cx, |display_map, _cx| {
11699 display_map.replace_blocks(new_styles)
11700 });
11701 }
11702 }
11703 }
11704
11705 fn activate_diagnostics(
11706 &mut self,
11707 buffer_id: BufferId,
11708 group_id: usize,
11709 window: &mut Window,
11710 cx: &mut Context<Self>,
11711 ) {
11712 self.dismiss_diagnostics(cx);
11713 let snapshot = self.snapshot(window, cx);
11714 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11715 let buffer = self.buffer.read(cx).snapshot(cx);
11716
11717 let mut primary_range = None;
11718 let mut primary_message = None;
11719 let diagnostic_group = buffer
11720 .diagnostic_group(buffer_id, group_id)
11721 .filter_map(|entry| {
11722 let start = entry.range.start;
11723 let end = entry.range.end;
11724 if snapshot.is_line_folded(MultiBufferRow(start.row))
11725 && (start.row == end.row
11726 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11727 {
11728 return None;
11729 }
11730 if entry.diagnostic.is_primary {
11731 primary_range = Some(entry.range.clone());
11732 primary_message = Some(entry.diagnostic.message.clone());
11733 }
11734 Some(entry)
11735 })
11736 .collect::<Vec<_>>();
11737 let primary_range = primary_range?;
11738 let primary_message = primary_message?;
11739
11740 let blocks = display_map
11741 .insert_blocks(
11742 diagnostic_group.iter().map(|entry| {
11743 let diagnostic = entry.diagnostic.clone();
11744 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11745 BlockProperties {
11746 style: BlockStyle::Fixed,
11747 placement: BlockPlacement::Below(
11748 buffer.anchor_after(entry.range.start),
11749 ),
11750 height: message_height,
11751 render: diagnostic_block_renderer(diagnostic, None, true, true),
11752 priority: 0,
11753 }
11754 }),
11755 cx,
11756 )
11757 .into_iter()
11758 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11759 .collect();
11760
11761 Some(ActiveDiagnosticGroup {
11762 primary_range: buffer.anchor_before(primary_range.start)
11763 ..buffer.anchor_after(primary_range.end),
11764 primary_message,
11765 group_id,
11766 blocks,
11767 is_valid: true,
11768 })
11769 });
11770 }
11771
11772 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11773 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11774 self.display_map.update(cx, |display_map, cx| {
11775 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11776 });
11777 cx.notify();
11778 }
11779 }
11780
11781 pub fn set_selections_from_remote(
11782 &mut self,
11783 selections: Vec<Selection<Anchor>>,
11784 pending_selection: Option<Selection<Anchor>>,
11785 window: &mut Window,
11786 cx: &mut Context<Self>,
11787 ) {
11788 let old_cursor_position = self.selections.newest_anchor().head();
11789 self.selections.change_with(cx, |s| {
11790 s.select_anchors(selections);
11791 if let Some(pending_selection) = pending_selection {
11792 s.set_pending(pending_selection, SelectMode::Character);
11793 } else {
11794 s.clear_pending();
11795 }
11796 });
11797 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11798 }
11799
11800 fn push_to_selection_history(&mut self) {
11801 self.selection_history.push(SelectionHistoryEntry {
11802 selections: self.selections.disjoint_anchors(),
11803 select_next_state: self.select_next_state.clone(),
11804 select_prev_state: self.select_prev_state.clone(),
11805 add_selections_state: self.add_selections_state.clone(),
11806 });
11807 }
11808
11809 pub fn transact(
11810 &mut self,
11811 window: &mut Window,
11812 cx: &mut Context<Self>,
11813 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11814 ) -> Option<TransactionId> {
11815 self.start_transaction_at(Instant::now(), window, cx);
11816 update(self, window, cx);
11817 self.end_transaction_at(Instant::now(), cx)
11818 }
11819
11820 pub fn start_transaction_at(
11821 &mut self,
11822 now: Instant,
11823 window: &mut Window,
11824 cx: &mut Context<Self>,
11825 ) {
11826 self.end_selection(window, cx);
11827 if let Some(tx_id) = self
11828 .buffer
11829 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11830 {
11831 self.selection_history
11832 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11833 cx.emit(EditorEvent::TransactionBegun {
11834 transaction_id: tx_id,
11835 })
11836 }
11837 }
11838
11839 pub fn end_transaction_at(
11840 &mut self,
11841 now: Instant,
11842 cx: &mut Context<Self>,
11843 ) -> Option<TransactionId> {
11844 if let Some(transaction_id) = self
11845 .buffer
11846 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11847 {
11848 if let Some((_, end_selections)) =
11849 self.selection_history.transaction_mut(transaction_id)
11850 {
11851 *end_selections = Some(self.selections.disjoint_anchors());
11852 } else {
11853 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11854 }
11855
11856 cx.emit(EditorEvent::Edited { transaction_id });
11857 Some(transaction_id)
11858 } else {
11859 None
11860 }
11861 }
11862
11863 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11864 if self.selection_mark_mode {
11865 self.change_selections(None, window, cx, |s| {
11866 s.move_with(|_, sel| {
11867 sel.collapse_to(sel.head(), SelectionGoal::None);
11868 });
11869 })
11870 }
11871 self.selection_mark_mode = true;
11872 cx.notify();
11873 }
11874
11875 pub fn swap_selection_ends(
11876 &mut self,
11877 _: &actions::SwapSelectionEnds,
11878 window: &mut Window,
11879 cx: &mut Context<Self>,
11880 ) {
11881 self.change_selections(None, window, cx, |s| {
11882 s.move_with(|_, sel| {
11883 if sel.start != sel.end {
11884 sel.reversed = !sel.reversed
11885 }
11886 });
11887 });
11888 self.request_autoscroll(Autoscroll::newest(), cx);
11889 cx.notify();
11890 }
11891
11892 pub fn toggle_fold(
11893 &mut self,
11894 _: &actions::ToggleFold,
11895 window: &mut Window,
11896 cx: &mut Context<Self>,
11897 ) {
11898 if self.is_singleton(cx) {
11899 let selection = self.selections.newest::<Point>(cx);
11900
11901 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11902 let range = if selection.is_empty() {
11903 let point = selection.head().to_display_point(&display_map);
11904 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11905 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11906 .to_point(&display_map);
11907 start..end
11908 } else {
11909 selection.range()
11910 };
11911 if display_map.folds_in_range(range).next().is_some() {
11912 self.unfold_lines(&Default::default(), window, cx)
11913 } else {
11914 self.fold(&Default::default(), window, cx)
11915 }
11916 } else {
11917 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11918 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11919 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11920 .map(|(snapshot, _, _)| snapshot.remote_id())
11921 .collect();
11922
11923 for buffer_id in buffer_ids {
11924 if self.is_buffer_folded(buffer_id, cx) {
11925 self.unfold_buffer(buffer_id, cx);
11926 } else {
11927 self.fold_buffer(buffer_id, cx);
11928 }
11929 }
11930 }
11931 }
11932
11933 pub fn toggle_fold_recursive(
11934 &mut self,
11935 _: &actions::ToggleFoldRecursive,
11936 window: &mut Window,
11937 cx: &mut Context<Self>,
11938 ) {
11939 let selection = self.selections.newest::<Point>(cx);
11940
11941 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11942 let range = if selection.is_empty() {
11943 let point = selection.head().to_display_point(&display_map);
11944 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11945 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11946 .to_point(&display_map);
11947 start..end
11948 } else {
11949 selection.range()
11950 };
11951 if display_map.folds_in_range(range).next().is_some() {
11952 self.unfold_recursive(&Default::default(), window, cx)
11953 } else {
11954 self.fold_recursive(&Default::default(), window, cx)
11955 }
11956 }
11957
11958 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11959 if self.is_singleton(cx) {
11960 let mut to_fold = Vec::new();
11961 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11962 let selections = self.selections.all_adjusted(cx);
11963
11964 for selection in selections {
11965 let range = selection.range().sorted();
11966 let buffer_start_row = range.start.row;
11967
11968 if range.start.row != range.end.row {
11969 let mut found = false;
11970 let mut row = range.start.row;
11971 while row <= range.end.row {
11972 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11973 {
11974 found = true;
11975 row = crease.range().end.row + 1;
11976 to_fold.push(crease);
11977 } else {
11978 row += 1
11979 }
11980 }
11981 if found {
11982 continue;
11983 }
11984 }
11985
11986 for row in (0..=range.start.row).rev() {
11987 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11988 if crease.range().end.row >= buffer_start_row {
11989 to_fold.push(crease);
11990 if row <= range.start.row {
11991 break;
11992 }
11993 }
11994 }
11995 }
11996 }
11997
11998 self.fold_creases(to_fold, true, window, cx);
11999 } else {
12000 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12001
12002 let buffer_ids: HashSet<_> = multi_buffer_snapshot
12003 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
12004 .map(|(snapshot, _, _)| snapshot.remote_id())
12005 .collect();
12006 for buffer_id in buffer_ids {
12007 self.fold_buffer(buffer_id, cx);
12008 }
12009 }
12010 }
12011
12012 fn fold_at_level(
12013 &mut self,
12014 fold_at: &FoldAtLevel,
12015 window: &mut Window,
12016 cx: &mut Context<Self>,
12017 ) {
12018 if !self.buffer.read(cx).is_singleton() {
12019 return;
12020 }
12021
12022 let fold_at_level = fold_at.0;
12023 let snapshot = self.buffer.read(cx).snapshot(cx);
12024 let mut to_fold = Vec::new();
12025 let mut stack = vec![(0, snapshot.max_row().0, 1)];
12026
12027 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
12028 while start_row < end_row {
12029 match self
12030 .snapshot(window, cx)
12031 .crease_for_buffer_row(MultiBufferRow(start_row))
12032 {
12033 Some(crease) => {
12034 let nested_start_row = crease.range().start.row + 1;
12035 let nested_end_row = crease.range().end.row;
12036
12037 if current_level < fold_at_level {
12038 stack.push((nested_start_row, nested_end_row, current_level + 1));
12039 } else if current_level == fold_at_level {
12040 to_fold.push(crease);
12041 }
12042
12043 start_row = nested_end_row + 1;
12044 }
12045 None => start_row += 1,
12046 }
12047 }
12048 }
12049
12050 self.fold_creases(to_fold, true, window, cx);
12051 }
12052
12053 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
12054 if self.buffer.read(cx).is_singleton() {
12055 let mut fold_ranges = Vec::new();
12056 let snapshot = self.buffer.read(cx).snapshot(cx);
12057
12058 for row in 0..snapshot.max_row().0 {
12059 if let Some(foldable_range) = self
12060 .snapshot(window, cx)
12061 .crease_for_buffer_row(MultiBufferRow(row))
12062 {
12063 fold_ranges.push(foldable_range);
12064 }
12065 }
12066
12067 self.fold_creases(fold_ranges, true, window, cx);
12068 } else {
12069 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
12070 editor
12071 .update_in(&mut cx, |editor, _, cx| {
12072 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12073 editor.fold_buffer(buffer_id, cx);
12074 }
12075 })
12076 .ok();
12077 });
12078 }
12079 }
12080
12081 pub fn fold_function_bodies(
12082 &mut self,
12083 _: &actions::FoldFunctionBodies,
12084 window: &mut Window,
12085 cx: &mut Context<Self>,
12086 ) {
12087 let snapshot = self.buffer.read(cx).snapshot(cx);
12088
12089 let ranges = snapshot
12090 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
12091 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
12092 .collect::<Vec<_>>();
12093
12094 let creases = ranges
12095 .into_iter()
12096 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
12097 .collect();
12098
12099 self.fold_creases(creases, true, window, cx);
12100 }
12101
12102 pub fn fold_recursive(
12103 &mut self,
12104 _: &actions::FoldRecursive,
12105 window: &mut Window,
12106 cx: &mut Context<Self>,
12107 ) {
12108 let mut to_fold = Vec::new();
12109 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12110 let selections = self.selections.all_adjusted(cx);
12111
12112 for selection in selections {
12113 let range = selection.range().sorted();
12114 let buffer_start_row = range.start.row;
12115
12116 if range.start.row != range.end.row {
12117 let mut found = false;
12118 for row in range.start.row..=range.end.row {
12119 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12120 found = true;
12121 to_fold.push(crease);
12122 }
12123 }
12124 if found {
12125 continue;
12126 }
12127 }
12128
12129 for row in (0..=range.start.row).rev() {
12130 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12131 if crease.range().end.row >= buffer_start_row {
12132 to_fold.push(crease);
12133 } else {
12134 break;
12135 }
12136 }
12137 }
12138 }
12139
12140 self.fold_creases(to_fold, true, window, cx);
12141 }
12142
12143 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
12144 let buffer_row = fold_at.buffer_row;
12145 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12146
12147 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
12148 let autoscroll = self
12149 .selections
12150 .all::<Point>(cx)
12151 .iter()
12152 .any(|selection| crease.range().overlaps(&selection.range()));
12153
12154 self.fold_creases(vec![crease], autoscroll, window, cx);
12155 }
12156 }
12157
12158 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
12159 if self.is_singleton(cx) {
12160 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12161 let buffer = &display_map.buffer_snapshot;
12162 let selections = self.selections.all::<Point>(cx);
12163 let ranges = selections
12164 .iter()
12165 .map(|s| {
12166 let range = s.display_range(&display_map).sorted();
12167 let mut start = range.start.to_point(&display_map);
12168 let mut end = range.end.to_point(&display_map);
12169 start.column = 0;
12170 end.column = buffer.line_len(MultiBufferRow(end.row));
12171 start..end
12172 })
12173 .collect::<Vec<_>>();
12174
12175 self.unfold_ranges(&ranges, true, true, cx);
12176 } else {
12177 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12178 let buffer_ids: HashSet<_> = multi_buffer_snapshot
12179 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
12180 .map(|(snapshot, _, _)| snapshot.remote_id())
12181 .collect();
12182 for buffer_id in buffer_ids {
12183 self.unfold_buffer(buffer_id, cx);
12184 }
12185 }
12186 }
12187
12188 pub fn unfold_recursive(
12189 &mut self,
12190 _: &UnfoldRecursive,
12191 _window: &mut Window,
12192 cx: &mut Context<Self>,
12193 ) {
12194 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12195 let selections = self.selections.all::<Point>(cx);
12196 let ranges = selections
12197 .iter()
12198 .map(|s| {
12199 let mut range = s.display_range(&display_map).sorted();
12200 *range.start.column_mut() = 0;
12201 *range.end.column_mut() = display_map.line_len(range.end.row());
12202 let start = range.start.to_point(&display_map);
12203 let end = range.end.to_point(&display_map);
12204 start..end
12205 })
12206 .collect::<Vec<_>>();
12207
12208 self.unfold_ranges(&ranges, true, true, cx);
12209 }
12210
12211 pub fn unfold_at(
12212 &mut self,
12213 unfold_at: &UnfoldAt,
12214 _window: &mut Window,
12215 cx: &mut Context<Self>,
12216 ) {
12217 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12218
12219 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
12220 ..Point::new(
12221 unfold_at.buffer_row.0,
12222 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
12223 );
12224
12225 let autoscroll = self
12226 .selections
12227 .all::<Point>(cx)
12228 .iter()
12229 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
12230
12231 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
12232 }
12233
12234 pub fn unfold_all(
12235 &mut self,
12236 _: &actions::UnfoldAll,
12237 _window: &mut Window,
12238 cx: &mut Context<Self>,
12239 ) {
12240 if self.buffer.read(cx).is_singleton() {
12241 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12242 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
12243 } else {
12244 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
12245 editor
12246 .update(&mut cx, |editor, cx| {
12247 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12248 editor.unfold_buffer(buffer_id, cx);
12249 }
12250 })
12251 .ok();
12252 });
12253 }
12254 }
12255
12256 pub fn fold_selected_ranges(
12257 &mut self,
12258 _: &FoldSelectedRanges,
12259 window: &mut Window,
12260 cx: &mut Context<Self>,
12261 ) {
12262 let selections = self.selections.all::<Point>(cx);
12263 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12264 let line_mode = self.selections.line_mode;
12265 let ranges = selections
12266 .into_iter()
12267 .map(|s| {
12268 if line_mode {
12269 let start = Point::new(s.start.row, 0);
12270 let end = Point::new(
12271 s.end.row,
12272 display_map
12273 .buffer_snapshot
12274 .line_len(MultiBufferRow(s.end.row)),
12275 );
12276 Crease::simple(start..end, display_map.fold_placeholder.clone())
12277 } else {
12278 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
12279 }
12280 })
12281 .collect::<Vec<_>>();
12282 self.fold_creases(ranges, true, window, cx);
12283 }
12284
12285 pub fn fold_ranges<T: ToOffset + Clone>(
12286 &mut self,
12287 ranges: Vec<Range<T>>,
12288 auto_scroll: bool,
12289 window: &mut Window,
12290 cx: &mut Context<Self>,
12291 ) {
12292 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12293 let ranges = ranges
12294 .into_iter()
12295 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
12296 .collect::<Vec<_>>();
12297 self.fold_creases(ranges, auto_scroll, window, cx);
12298 }
12299
12300 pub fn fold_creases<T: ToOffset + Clone>(
12301 &mut self,
12302 creases: Vec<Crease<T>>,
12303 auto_scroll: bool,
12304 window: &mut Window,
12305 cx: &mut Context<Self>,
12306 ) {
12307 if creases.is_empty() {
12308 return;
12309 }
12310
12311 let mut buffers_affected = HashSet::default();
12312 let multi_buffer = self.buffer().read(cx);
12313 for crease in &creases {
12314 if let Some((_, buffer, _)) =
12315 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
12316 {
12317 buffers_affected.insert(buffer.read(cx).remote_id());
12318 };
12319 }
12320
12321 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
12322
12323 if auto_scroll {
12324 self.request_autoscroll(Autoscroll::fit(), cx);
12325 }
12326
12327 cx.notify();
12328
12329 if let Some(active_diagnostics) = self.active_diagnostics.take() {
12330 // Clear diagnostics block when folding a range that contains it.
12331 let snapshot = self.snapshot(window, cx);
12332 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
12333 drop(snapshot);
12334 self.active_diagnostics = Some(active_diagnostics);
12335 self.dismiss_diagnostics(cx);
12336 } else {
12337 self.active_diagnostics = Some(active_diagnostics);
12338 }
12339 }
12340
12341 self.scrollbar_marker_state.dirty = true;
12342 }
12343
12344 /// Removes any folds whose ranges intersect any of the given ranges.
12345 pub fn unfold_ranges<T: ToOffset + Clone>(
12346 &mut self,
12347 ranges: &[Range<T>],
12348 inclusive: bool,
12349 auto_scroll: bool,
12350 cx: &mut Context<Self>,
12351 ) {
12352 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12353 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
12354 });
12355 }
12356
12357 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12358 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
12359 return;
12360 }
12361 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12362 self.display_map
12363 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
12364 cx.emit(EditorEvent::BufferFoldToggled {
12365 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
12366 folded: true,
12367 });
12368 cx.notify();
12369 }
12370
12371 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12372 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
12373 return;
12374 }
12375 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12376 self.display_map.update(cx, |display_map, cx| {
12377 display_map.unfold_buffer(buffer_id, cx);
12378 });
12379 cx.emit(EditorEvent::BufferFoldToggled {
12380 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
12381 folded: false,
12382 });
12383 cx.notify();
12384 }
12385
12386 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
12387 self.display_map.read(cx).is_buffer_folded(buffer)
12388 }
12389
12390 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
12391 self.display_map.read(cx).folded_buffers()
12392 }
12393
12394 /// Removes any folds with the given ranges.
12395 pub fn remove_folds_with_type<T: ToOffset + Clone>(
12396 &mut self,
12397 ranges: &[Range<T>],
12398 type_id: TypeId,
12399 auto_scroll: bool,
12400 cx: &mut Context<Self>,
12401 ) {
12402 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12403 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
12404 });
12405 }
12406
12407 fn remove_folds_with<T: ToOffset + Clone>(
12408 &mut self,
12409 ranges: &[Range<T>],
12410 auto_scroll: bool,
12411 cx: &mut Context<Self>,
12412 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
12413 ) {
12414 if ranges.is_empty() {
12415 return;
12416 }
12417
12418 let mut buffers_affected = HashSet::default();
12419 let multi_buffer = self.buffer().read(cx);
12420 for range in ranges {
12421 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
12422 buffers_affected.insert(buffer.read(cx).remote_id());
12423 };
12424 }
12425
12426 self.display_map.update(cx, update);
12427
12428 if auto_scroll {
12429 self.request_autoscroll(Autoscroll::fit(), cx);
12430 }
12431
12432 cx.notify();
12433 self.scrollbar_marker_state.dirty = true;
12434 self.active_indent_guides_state.dirty = true;
12435 }
12436
12437 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
12438 self.display_map.read(cx).fold_placeholder.clone()
12439 }
12440
12441 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
12442 self.buffer.update(cx, |buffer, cx| {
12443 buffer.set_all_diff_hunks_expanded(cx);
12444 });
12445 }
12446
12447 pub fn set_distinguish_unstaged_diff_hunks(&mut self) {
12448 self.distinguish_unstaged_diff_hunks = true;
12449 }
12450
12451 pub fn expand_all_diff_hunks(
12452 &mut self,
12453 _: &ExpandAllHunkDiffs,
12454 _window: &mut Window,
12455 cx: &mut Context<Self>,
12456 ) {
12457 self.buffer.update(cx, |buffer, cx| {
12458 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
12459 });
12460 }
12461
12462 pub fn toggle_selected_diff_hunks(
12463 &mut self,
12464 _: &ToggleSelectedDiffHunks,
12465 _window: &mut Window,
12466 cx: &mut Context<Self>,
12467 ) {
12468 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12469 self.toggle_diff_hunks_in_ranges(ranges, cx);
12470 }
12471
12472 fn diff_hunks_in_ranges<'a>(
12473 &'a self,
12474 ranges: &'a [Range<Anchor>],
12475 buffer: &'a MultiBufferSnapshot,
12476 ) -> impl 'a + Iterator<Item = MultiBufferDiffHunk> {
12477 ranges.iter().flat_map(move |range| {
12478 let end_excerpt_id = range.end.excerpt_id;
12479 let range = range.to_point(buffer);
12480 let mut peek_end = range.end;
12481 if range.end.row < buffer.max_row().0 {
12482 peek_end = Point::new(range.end.row + 1, 0);
12483 }
12484 buffer
12485 .diff_hunks_in_range(range.start..peek_end)
12486 .filter(move |hunk| hunk.excerpt_id.cmp(&end_excerpt_id, buffer).is_le())
12487 })
12488 }
12489
12490 pub fn has_stageable_diff_hunks_in_ranges(
12491 &self,
12492 ranges: &[Range<Anchor>],
12493 snapshot: &MultiBufferSnapshot,
12494 ) -> bool {
12495 let mut hunks = self.diff_hunks_in_ranges(ranges, &snapshot);
12496 hunks.any(|hunk| {
12497 log::debug!("considering {hunk:?}");
12498 hunk.secondary_status == DiffHunkSecondaryStatus::HasSecondaryHunk
12499 })
12500 }
12501
12502 pub fn toggle_staged_selected_diff_hunks(
12503 &mut self,
12504 _: &ToggleStagedSelectedDiffHunks,
12505 _window: &mut Window,
12506 cx: &mut Context<Self>,
12507 ) {
12508 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12509 self.stage_or_unstage_diff_hunks(&ranges, cx);
12510 }
12511
12512 pub fn stage_or_unstage_diff_hunks(
12513 &mut self,
12514 ranges: &[Range<Anchor>],
12515 cx: &mut Context<Self>,
12516 ) {
12517 let Some(project) = &self.project else {
12518 return;
12519 };
12520 let snapshot = self.buffer.read(cx).snapshot(cx);
12521 let stage = self.has_stageable_diff_hunks_in_ranges(ranges, &snapshot);
12522
12523 let chunk_by = self
12524 .diff_hunks_in_ranges(&ranges, &snapshot)
12525 .chunk_by(|hunk| hunk.buffer_id);
12526 for (buffer_id, hunks) in &chunk_by {
12527 let Some(buffer) = project.read(cx).buffer_for_id(buffer_id, cx) else {
12528 log::debug!("no buffer for id");
12529 continue;
12530 };
12531 let buffer = buffer.read(cx).snapshot();
12532 let Some((repo, path)) = project
12533 .read(cx)
12534 .repository_and_path_for_buffer_id(buffer_id, cx)
12535 else {
12536 log::debug!("no git repo for buffer id");
12537 continue;
12538 };
12539 let Some(diff) = snapshot.diff_for_buffer_id(buffer_id) else {
12540 log::debug!("no diff for buffer id");
12541 continue;
12542 };
12543 let Some(secondary_diff) = diff.secondary_diff() else {
12544 log::debug!("no secondary diff for buffer id");
12545 continue;
12546 };
12547
12548 let edits = diff.secondary_edits_for_stage_or_unstage(
12549 stage,
12550 hunks.map(|hunk| {
12551 (
12552 hunk.diff_base_byte_range.clone(),
12553 hunk.secondary_diff_base_byte_range.clone(),
12554 hunk.buffer_range.clone(),
12555 )
12556 }),
12557 &buffer,
12558 );
12559
12560 let index_base = secondary_diff.base_text().map_or_else(
12561 || Rope::from(""),
12562 |snapshot| snapshot.text.as_rope().clone(),
12563 );
12564 let index_buffer = cx.new(|cx| {
12565 Buffer::local_normalized(index_base.clone(), text::LineEnding::default(), cx)
12566 });
12567 let new_index_text = index_buffer.update(cx, |index_buffer, cx| {
12568 index_buffer.edit(edits, None, cx);
12569 index_buffer.snapshot().as_rope().to_string()
12570 });
12571 let new_index_text = if new_index_text.is_empty()
12572 && (diff.is_single_insertion
12573 || buffer
12574 .file()
12575 .map_or(false, |file| file.disk_state() == DiskState::New))
12576 {
12577 log::debug!("removing from index");
12578 None
12579 } else {
12580 Some(new_index_text)
12581 };
12582
12583 let _ = repo.read(cx).set_index_text(&path, new_index_text);
12584 }
12585 }
12586
12587 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
12588 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12589 self.buffer
12590 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
12591 }
12592
12593 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
12594 self.buffer.update(cx, |buffer, cx| {
12595 let ranges = vec![Anchor::min()..Anchor::max()];
12596 if !buffer.all_diff_hunks_expanded()
12597 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
12598 {
12599 buffer.collapse_diff_hunks(ranges, cx);
12600 true
12601 } else {
12602 false
12603 }
12604 })
12605 }
12606
12607 fn toggle_diff_hunks_in_ranges(
12608 &mut self,
12609 ranges: Vec<Range<Anchor>>,
12610 cx: &mut Context<'_, Editor>,
12611 ) {
12612 self.buffer.update(cx, |buffer, cx| {
12613 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12614 buffer.expand_or_collapse_diff_hunks(ranges, expand, cx);
12615 })
12616 }
12617
12618 fn toggle_diff_hunks_in_ranges_narrow(
12619 &mut self,
12620 ranges: Vec<Range<Anchor>>,
12621 cx: &mut Context<'_, Editor>,
12622 ) {
12623 self.buffer.update(cx, |buffer, cx| {
12624 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12625 buffer.expand_or_collapse_diff_hunks_narrow(ranges, expand, cx);
12626 })
12627 }
12628
12629 pub(crate) fn apply_all_diff_hunks(
12630 &mut self,
12631 _: &ApplyAllDiffHunks,
12632 window: &mut Window,
12633 cx: &mut Context<Self>,
12634 ) {
12635 let buffers = self.buffer.read(cx).all_buffers();
12636 for branch_buffer in buffers {
12637 branch_buffer.update(cx, |branch_buffer, cx| {
12638 branch_buffer.merge_into_base(Vec::new(), cx);
12639 });
12640 }
12641
12642 if let Some(project) = self.project.clone() {
12643 self.save(true, project, window, cx).detach_and_log_err(cx);
12644 }
12645 }
12646
12647 pub(crate) fn apply_selected_diff_hunks(
12648 &mut self,
12649 _: &ApplyDiffHunk,
12650 window: &mut Window,
12651 cx: &mut Context<Self>,
12652 ) {
12653 let snapshot = self.snapshot(window, cx);
12654 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
12655 let mut ranges_by_buffer = HashMap::default();
12656 self.transact(window, cx, |editor, _window, cx| {
12657 for hunk in hunks {
12658 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
12659 ranges_by_buffer
12660 .entry(buffer.clone())
12661 .or_insert_with(Vec::new)
12662 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
12663 }
12664 }
12665
12666 for (buffer, ranges) in ranges_by_buffer {
12667 buffer.update(cx, |buffer, cx| {
12668 buffer.merge_into_base(ranges, cx);
12669 });
12670 }
12671 });
12672
12673 if let Some(project) = self.project.clone() {
12674 self.save(true, project, window, cx).detach_and_log_err(cx);
12675 }
12676 }
12677
12678 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
12679 if hovered != self.gutter_hovered {
12680 self.gutter_hovered = hovered;
12681 cx.notify();
12682 }
12683 }
12684
12685 pub fn insert_blocks(
12686 &mut self,
12687 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
12688 autoscroll: Option<Autoscroll>,
12689 cx: &mut Context<Self>,
12690 ) -> Vec<CustomBlockId> {
12691 let blocks = self
12692 .display_map
12693 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
12694 if let Some(autoscroll) = autoscroll {
12695 self.request_autoscroll(autoscroll, cx);
12696 }
12697 cx.notify();
12698 blocks
12699 }
12700
12701 pub fn resize_blocks(
12702 &mut self,
12703 heights: HashMap<CustomBlockId, u32>,
12704 autoscroll: Option<Autoscroll>,
12705 cx: &mut Context<Self>,
12706 ) {
12707 self.display_map
12708 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
12709 if let Some(autoscroll) = autoscroll {
12710 self.request_autoscroll(autoscroll, cx);
12711 }
12712 cx.notify();
12713 }
12714
12715 pub fn replace_blocks(
12716 &mut self,
12717 renderers: HashMap<CustomBlockId, RenderBlock>,
12718 autoscroll: Option<Autoscroll>,
12719 cx: &mut Context<Self>,
12720 ) {
12721 self.display_map
12722 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
12723 if let Some(autoscroll) = autoscroll {
12724 self.request_autoscroll(autoscroll, cx);
12725 }
12726 cx.notify();
12727 }
12728
12729 pub fn remove_blocks(
12730 &mut self,
12731 block_ids: HashSet<CustomBlockId>,
12732 autoscroll: Option<Autoscroll>,
12733 cx: &mut Context<Self>,
12734 ) {
12735 self.display_map.update(cx, |display_map, cx| {
12736 display_map.remove_blocks(block_ids, cx)
12737 });
12738 if let Some(autoscroll) = autoscroll {
12739 self.request_autoscroll(autoscroll, cx);
12740 }
12741 cx.notify();
12742 }
12743
12744 pub fn row_for_block(
12745 &self,
12746 block_id: CustomBlockId,
12747 cx: &mut Context<Self>,
12748 ) -> Option<DisplayRow> {
12749 self.display_map
12750 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12751 }
12752
12753 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12754 self.focused_block = Some(focused_block);
12755 }
12756
12757 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12758 self.focused_block.take()
12759 }
12760
12761 pub fn insert_creases(
12762 &mut self,
12763 creases: impl IntoIterator<Item = Crease<Anchor>>,
12764 cx: &mut Context<Self>,
12765 ) -> Vec<CreaseId> {
12766 self.display_map
12767 .update(cx, |map, cx| map.insert_creases(creases, cx))
12768 }
12769
12770 pub fn remove_creases(
12771 &mut self,
12772 ids: impl IntoIterator<Item = CreaseId>,
12773 cx: &mut Context<Self>,
12774 ) {
12775 self.display_map
12776 .update(cx, |map, cx| map.remove_creases(ids, cx));
12777 }
12778
12779 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12780 self.display_map
12781 .update(cx, |map, cx| map.snapshot(cx))
12782 .longest_row()
12783 }
12784
12785 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12786 self.display_map
12787 .update(cx, |map, cx| map.snapshot(cx))
12788 .max_point()
12789 }
12790
12791 pub fn text(&self, cx: &App) -> String {
12792 self.buffer.read(cx).read(cx).text()
12793 }
12794
12795 pub fn is_empty(&self, cx: &App) -> bool {
12796 self.buffer.read(cx).read(cx).is_empty()
12797 }
12798
12799 pub fn text_option(&self, cx: &App) -> Option<String> {
12800 let text = self.text(cx);
12801 let text = text.trim();
12802
12803 if text.is_empty() {
12804 return None;
12805 }
12806
12807 Some(text.to_string())
12808 }
12809
12810 pub fn set_text(
12811 &mut self,
12812 text: impl Into<Arc<str>>,
12813 window: &mut Window,
12814 cx: &mut Context<Self>,
12815 ) {
12816 self.transact(window, cx, |this, _, cx| {
12817 this.buffer
12818 .read(cx)
12819 .as_singleton()
12820 .expect("you can only call set_text on editors for singleton buffers")
12821 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12822 });
12823 }
12824
12825 pub fn display_text(&self, cx: &mut App) -> String {
12826 self.display_map
12827 .update(cx, |map, cx| map.snapshot(cx))
12828 .text()
12829 }
12830
12831 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12832 let mut wrap_guides = smallvec::smallvec![];
12833
12834 if self.show_wrap_guides == Some(false) {
12835 return wrap_guides;
12836 }
12837
12838 let settings = self.buffer.read(cx).settings_at(0, cx);
12839 if settings.show_wrap_guides {
12840 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12841 wrap_guides.push((soft_wrap as usize, true));
12842 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12843 wrap_guides.push((soft_wrap as usize, true));
12844 }
12845 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12846 }
12847
12848 wrap_guides
12849 }
12850
12851 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12852 let settings = self.buffer.read(cx).settings_at(0, cx);
12853 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12854 match mode {
12855 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12856 SoftWrap::None
12857 }
12858 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12859 language_settings::SoftWrap::PreferredLineLength => {
12860 SoftWrap::Column(settings.preferred_line_length)
12861 }
12862 language_settings::SoftWrap::Bounded => {
12863 SoftWrap::Bounded(settings.preferred_line_length)
12864 }
12865 }
12866 }
12867
12868 pub fn set_soft_wrap_mode(
12869 &mut self,
12870 mode: language_settings::SoftWrap,
12871
12872 cx: &mut Context<Self>,
12873 ) {
12874 self.soft_wrap_mode_override = Some(mode);
12875 cx.notify();
12876 }
12877
12878 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12879 self.text_style_refinement = Some(style);
12880 }
12881
12882 /// called by the Element so we know what style we were most recently rendered with.
12883 pub(crate) fn set_style(
12884 &mut self,
12885 style: EditorStyle,
12886 window: &mut Window,
12887 cx: &mut Context<Self>,
12888 ) {
12889 let rem_size = window.rem_size();
12890 self.display_map.update(cx, |map, cx| {
12891 map.set_font(
12892 style.text.font(),
12893 style.text.font_size.to_pixels(rem_size),
12894 cx,
12895 )
12896 });
12897 self.style = Some(style);
12898 }
12899
12900 pub fn style(&self) -> Option<&EditorStyle> {
12901 self.style.as_ref()
12902 }
12903
12904 // Called by the element. This method is not designed to be called outside of the editor
12905 // element's layout code because it does not notify when rewrapping is computed synchronously.
12906 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12907 self.display_map
12908 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12909 }
12910
12911 pub fn set_soft_wrap(&mut self) {
12912 self.soft_wrap_mode_override = Some(language_settings::SoftWrap::EditorWidth)
12913 }
12914
12915 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12916 if self.soft_wrap_mode_override.is_some() {
12917 self.soft_wrap_mode_override.take();
12918 } else {
12919 let soft_wrap = match self.soft_wrap_mode(cx) {
12920 SoftWrap::GitDiff => return,
12921 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12922 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12923 language_settings::SoftWrap::None
12924 }
12925 };
12926 self.soft_wrap_mode_override = Some(soft_wrap);
12927 }
12928 cx.notify();
12929 }
12930
12931 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12932 let Some(workspace) = self.workspace() else {
12933 return;
12934 };
12935 let fs = workspace.read(cx).app_state().fs.clone();
12936 let current_show = TabBarSettings::get_global(cx).show;
12937 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12938 setting.show = Some(!current_show);
12939 });
12940 }
12941
12942 pub fn toggle_indent_guides(
12943 &mut self,
12944 _: &ToggleIndentGuides,
12945 _: &mut Window,
12946 cx: &mut Context<Self>,
12947 ) {
12948 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12949 self.buffer
12950 .read(cx)
12951 .settings_at(0, cx)
12952 .indent_guides
12953 .enabled
12954 });
12955 self.show_indent_guides = Some(!currently_enabled);
12956 cx.notify();
12957 }
12958
12959 fn should_show_indent_guides(&self) -> Option<bool> {
12960 self.show_indent_guides
12961 }
12962
12963 pub fn toggle_line_numbers(
12964 &mut self,
12965 _: &ToggleLineNumbers,
12966 _: &mut Window,
12967 cx: &mut Context<Self>,
12968 ) {
12969 let mut editor_settings = EditorSettings::get_global(cx).clone();
12970 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12971 EditorSettings::override_global(editor_settings, cx);
12972 }
12973
12974 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12975 self.use_relative_line_numbers
12976 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12977 }
12978
12979 pub fn toggle_relative_line_numbers(
12980 &mut self,
12981 _: &ToggleRelativeLineNumbers,
12982 _: &mut Window,
12983 cx: &mut Context<Self>,
12984 ) {
12985 let is_relative = self.should_use_relative_line_numbers(cx);
12986 self.set_relative_line_number(Some(!is_relative), cx)
12987 }
12988
12989 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12990 self.use_relative_line_numbers = is_relative;
12991 cx.notify();
12992 }
12993
12994 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12995 self.show_gutter = show_gutter;
12996 cx.notify();
12997 }
12998
12999 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
13000 self.show_scrollbars = show_scrollbars;
13001 cx.notify();
13002 }
13003
13004 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
13005 self.show_line_numbers = Some(show_line_numbers);
13006 cx.notify();
13007 }
13008
13009 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
13010 self.show_git_diff_gutter = Some(show_git_diff_gutter);
13011 cx.notify();
13012 }
13013
13014 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
13015 self.show_code_actions = Some(show_code_actions);
13016 cx.notify();
13017 }
13018
13019 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
13020 self.show_runnables = Some(show_runnables);
13021 cx.notify();
13022 }
13023
13024 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
13025 if self.display_map.read(cx).masked != masked {
13026 self.display_map.update(cx, |map, _| map.masked = masked);
13027 }
13028 cx.notify()
13029 }
13030
13031 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
13032 self.show_wrap_guides = Some(show_wrap_guides);
13033 cx.notify();
13034 }
13035
13036 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
13037 self.show_indent_guides = Some(show_indent_guides);
13038 cx.notify();
13039 }
13040
13041 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
13042 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
13043 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
13044 if let Some(dir) = file.abs_path(cx).parent() {
13045 return Some(dir.to_owned());
13046 }
13047 }
13048
13049 if let Some(project_path) = buffer.read(cx).project_path(cx) {
13050 return Some(project_path.path.to_path_buf());
13051 }
13052 }
13053
13054 None
13055 }
13056
13057 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
13058 self.active_excerpt(cx)?
13059 .1
13060 .read(cx)
13061 .file()
13062 .and_then(|f| f.as_local())
13063 }
13064
13065 pub fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
13066 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
13067 let buffer = buffer.read(cx);
13068 if let Some(project_path) = buffer.project_path(cx) {
13069 let project = self.project.as_ref()?.read(cx);
13070 project.absolute_path(&project_path, cx)
13071 } else {
13072 buffer
13073 .file()
13074 .and_then(|file| file.as_local().map(|file| file.abs_path(cx)))
13075 }
13076 })
13077 }
13078
13079 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
13080 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
13081 let project_path = buffer.read(cx).project_path(cx)?;
13082 let project = self.project.as_ref()?.read(cx);
13083 let entry = project.entry_for_path(&project_path, cx)?;
13084 let path = entry.path.to_path_buf();
13085 Some(path)
13086 })
13087 }
13088
13089 pub fn reveal_in_finder(
13090 &mut self,
13091 _: &RevealInFileManager,
13092 _window: &mut Window,
13093 cx: &mut Context<Self>,
13094 ) {
13095 if let Some(target) = self.target_file(cx) {
13096 cx.reveal_path(&target.abs_path(cx));
13097 }
13098 }
13099
13100 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
13101 if let Some(path) = self.target_file_abs_path(cx) {
13102 if let Some(path) = path.to_str() {
13103 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
13104 }
13105 }
13106 }
13107
13108 pub fn copy_relative_path(
13109 &mut self,
13110 _: &CopyRelativePath,
13111 _window: &mut Window,
13112 cx: &mut Context<Self>,
13113 ) {
13114 if let Some(path) = self.target_file_path(cx) {
13115 if let Some(path) = path.to_str() {
13116 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
13117 }
13118 }
13119 }
13120
13121 pub fn copy_file_name_without_extension(
13122 &mut self,
13123 _: &CopyFileNameWithoutExtension,
13124 _: &mut Window,
13125 cx: &mut Context<Self>,
13126 ) {
13127 if let Some(file) = self.target_file(cx) {
13128 if let Some(file_stem) = file.path().file_stem() {
13129 if let Some(name) = file_stem.to_str() {
13130 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
13131 }
13132 }
13133 }
13134 }
13135
13136 pub fn copy_file_name(&mut self, _: &CopyFileName, _: &mut Window, cx: &mut Context<Self>) {
13137 if let Some(file) = self.target_file(cx) {
13138 if let Some(file_name) = file.path().file_name() {
13139 if let Some(name) = file_name.to_str() {
13140 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
13141 }
13142 }
13143 }
13144 }
13145
13146 pub fn toggle_git_blame(
13147 &mut self,
13148 _: &ToggleGitBlame,
13149 window: &mut Window,
13150 cx: &mut Context<Self>,
13151 ) {
13152 self.show_git_blame_gutter = !self.show_git_blame_gutter;
13153
13154 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
13155 self.start_git_blame(true, window, cx);
13156 }
13157
13158 cx.notify();
13159 }
13160
13161 pub fn toggle_git_blame_inline(
13162 &mut self,
13163 _: &ToggleGitBlameInline,
13164 window: &mut Window,
13165 cx: &mut Context<Self>,
13166 ) {
13167 self.toggle_git_blame_inline_internal(true, window, cx);
13168 cx.notify();
13169 }
13170
13171 pub fn git_blame_inline_enabled(&self) -> bool {
13172 self.git_blame_inline_enabled
13173 }
13174
13175 pub fn toggle_selection_menu(
13176 &mut self,
13177 _: &ToggleSelectionMenu,
13178 _: &mut Window,
13179 cx: &mut Context<Self>,
13180 ) {
13181 self.show_selection_menu = self
13182 .show_selection_menu
13183 .map(|show_selections_menu| !show_selections_menu)
13184 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
13185
13186 cx.notify();
13187 }
13188
13189 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
13190 self.show_selection_menu
13191 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
13192 }
13193
13194 fn start_git_blame(
13195 &mut self,
13196 user_triggered: bool,
13197 window: &mut Window,
13198 cx: &mut Context<Self>,
13199 ) {
13200 if let Some(project) = self.project.as_ref() {
13201 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
13202 return;
13203 };
13204
13205 if buffer.read(cx).file().is_none() {
13206 return;
13207 }
13208
13209 let focused = self.focus_handle(cx).contains_focused(window, cx);
13210
13211 let project = project.clone();
13212 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
13213 self.blame_subscription =
13214 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
13215 self.blame = Some(blame);
13216 }
13217 }
13218
13219 fn toggle_git_blame_inline_internal(
13220 &mut self,
13221 user_triggered: bool,
13222 window: &mut Window,
13223 cx: &mut Context<Self>,
13224 ) {
13225 if self.git_blame_inline_enabled {
13226 self.git_blame_inline_enabled = false;
13227 self.show_git_blame_inline = false;
13228 self.show_git_blame_inline_delay_task.take();
13229 } else {
13230 self.git_blame_inline_enabled = true;
13231 self.start_git_blame_inline(user_triggered, window, cx);
13232 }
13233
13234 cx.notify();
13235 }
13236
13237 fn start_git_blame_inline(
13238 &mut self,
13239 user_triggered: bool,
13240 window: &mut Window,
13241 cx: &mut Context<Self>,
13242 ) {
13243 self.start_git_blame(user_triggered, window, cx);
13244
13245 if ProjectSettings::get_global(cx)
13246 .git
13247 .inline_blame_delay()
13248 .is_some()
13249 {
13250 self.start_inline_blame_timer(window, cx);
13251 } else {
13252 self.show_git_blame_inline = true
13253 }
13254 }
13255
13256 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
13257 self.blame.as_ref()
13258 }
13259
13260 pub fn show_git_blame_gutter(&self) -> bool {
13261 self.show_git_blame_gutter
13262 }
13263
13264 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
13265 self.show_git_blame_gutter && self.has_blame_entries(cx)
13266 }
13267
13268 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
13269 self.show_git_blame_inline
13270 && self.focus_handle.is_focused(window)
13271 && !self.newest_selection_head_on_empty_line(cx)
13272 && self.has_blame_entries(cx)
13273 }
13274
13275 fn has_blame_entries(&self, cx: &App) -> bool {
13276 self.blame()
13277 .map_or(false, |blame| blame.read(cx).has_generated_entries())
13278 }
13279
13280 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
13281 let cursor_anchor = self.selections.newest_anchor().head();
13282
13283 let snapshot = self.buffer.read(cx).snapshot(cx);
13284 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
13285
13286 snapshot.line_len(buffer_row) == 0
13287 }
13288
13289 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
13290 let buffer_and_selection = maybe!({
13291 let selection = self.selections.newest::<Point>(cx);
13292 let selection_range = selection.range();
13293
13294 let multi_buffer = self.buffer().read(cx);
13295 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13296 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
13297
13298 let (buffer, range, _) = if selection.reversed {
13299 buffer_ranges.first()
13300 } else {
13301 buffer_ranges.last()
13302 }?;
13303
13304 let selection = text::ToPoint::to_point(&range.start, &buffer).row
13305 ..text::ToPoint::to_point(&range.end, &buffer).row;
13306 Some((
13307 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
13308 selection,
13309 ))
13310 });
13311
13312 let Some((buffer, selection)) = buffer_and_selection else {
13313 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
13314 };
13315
13316 let Some(project) = self.project.as_ref() else {
13317 return Task::ready(Err(anyhow!("editor does not have project")));
13318 };
13319
13320 project.update(cx, |project, cx| {
13321 project.get_permalink_to_line(&buffer, selection, cx)
13322 })
13323 }
13324
13325 pub fn copy_permalink_to_line(
13326 &mut self,
13327 _: &CopyPermalinkToLine,
13328 window: &mut Window,
13329 cx: &mut Context<Self>,
13330 ) {
13331 let permalink_task = self.get_permalink_to_line(cx);
13332 let workspace = self.workspace();
13333
13334 cx.spawn_in(window, |_, mut cx| async move {
13335 match permalink_task.await {
13336 Ok(permalink) => {
13337 cx.update(|_, cx| {
13338 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
13339 })
13340 .ok();
13341 }
13342 Err(err) => {
13343 let message = format!("Failed to copy permalink: {err}");
13344
13345 Err::<(), anyhow::Error>(err).log_err();
13346
13347 if let Some(workspace) = workspace {
13348 workspace
13349 .update_in(&mut cx, |workspace, _, cx| {
13350 struct CopyPermalinkToLine;
13351
13352 workspace.show_toast(
13353 Toast::new(
13354 NotificationId::unique::<CopyPermalinkToLine>(),
13355 message,
13356 ),
13357 cx,
13358 )
13359 })
13360 .ok();
13361 }
13362 }
13363 }
13364 })
13365 .detach();
13366 }
13367
13368 pub fn copy_file_location(
13369 &mut self,
13370 _: &CopyFileLocation,
13371 _: &mut Window,
13372 cx: &mut Context<Self>,
13373 ) {
13374 let selection = self.selections.newest::<Point>(cx).start.row + 1;
13375 if let Some(file) = self.target_file(cx) {
13376 if let Some(path) = file.path().to_str() {
13377 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
13378 }
13379 }
13380 }
13381
13382 pub fn open_permalink_to_line(
13383 &mut self,
13384 _: &OpenPermalinkToLine,
13385 window: &mut Window,
13386 cx: &mut Context<Self>,
13387 ) {
13388 let permalink_task = self.get_permalink_to_line(cx);
13389 let workspace = self.workspace();
13390
13391 cx.spawn_in(window, |_, mut cx| async move {
13392 match permalink_task.await {
13393 Ok(permalink) => {
13394 cx.update(|_, cx| {
13395 cx.open_url(permalink.as_ref());
13396 })
13397 .ok();
13398 }
13399 Err(err) => {
13400 let message = format!("Failed to open permalink: {err}");
13401
13402 Err::<(), anyhow::Error>(err).log_err();
13403
13404 if let Some(workspace) = workspace {
13405 workspace
13406 .update(&mut cx, |workspace, cx| {
13407 struct OpenPermalinkToLine;
13408
13409 workspace.show_toast(
13410 Toast::new(
13411 NotificationId::unique::<OpenPermalinkToLine>(),
13412 message,
13413 ),
13414 cx,
13415 )
13416 })
13417 .ok();
13418 }
13419 }
13420 }
13421 })
13422 .detach();
13423 }
13424
13425 pub fn insert_uuid_v4(
13426 &mut self,
13427 _: &InsertUuidV4,
13428 window: &mut Window,
13429 cx: &mut Context<Self>,
13430 ) {
13431 self.insert_uuid(UuidVersion::V4, window, cx);
13432 }
13433
13434 pub fn insert_uuid_v7(
13435 &mut self,
13436 _: &InsertUuidV7,
13437 window: &mut Window,
13438 cx: &mut Context<Self>,
13439 ) {
13440 self.insert_uuid(UuidVersion::V7, window, cx);
13441 }
13442
13443 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
13444 self.transact(window, cx, |this, window, cx| {
13445 let edits = this
13446 .selections
13447 .all::<Point>(cx)
13448 .into_iter()
13449 .map(|selection| {
13450 let uuid = match version {
13451 UuidVersion::V4 => uuid::Uuid::new_v4(),
13452 UuidVersion::V7 => uuid::Uuid::now_v7(),
13453 };
13454
13455 (selection.range(), uuid.to_string())
13456 });
13457 this.edit(edits, cx);
13458 this.refresh_inline_completion(true, false, window, cx);
13459 });
13460 }
13461
13462 pub fn open_selections_in_multibuffer(
13463 &mut self,
13464 _: &OpenSelectionsInMultibuffer,
13465 window: &mut Window,
13466 cx: &mut Context<Self>,
13467 ) {
13468 let multibuffer = self.buffer.read(cx);
13469
13470 let Some(buffer) = multibuffer.as_singleton() else {
13471 return;
13472 };
13473
13474 let Some(workspace) = self.workspace() else {
13475 return;
13476 };
13477
13478 let locations = self
13479 .selections
13480 .disjoint_anchors()
13481 .iter()
13482 .map(|range| Location {
13483 buffer: buffer.clone(),
13484 range: range.start.text_anchor..range.end.text_anchor,
13485 })
13486 .collect::<Vec<_>>();
13487
13488 let title = multibuffer.title(cx).to_string();
13489
13490 cx.spawn_in(window, |_, mut cx| async move {
13491 workspace.update_in(&mut cx, |workspace, window, cx| {
13492 Self::open_locations_in_multibuffer(
13493 workspace,
13494 locations,
13495 format!("Selections for '{title}'"),
13496 false,
13497 MultibufferSelectionMode::All,
13498 window,
13499 cx,
13500 );
13501 })
13502 })
13503 .detach();
13504 }
13505
13506 /// Adds a row highlight for the given range. If a row has multiple highlights, the
13507 /// last highlight added will be used.
13508 ///
13509 /// If the range ends at the beginning of a line, then that line will not be highlighted.
13510 pub fn highlight_rows<T: 'static>(
13511 &mut self,
13512 range: Range<Anchor>,
13513 color: Hsla,
13514 should_autoscroll: bool,
13515 cx: &mut Context<Self>,
13516 ) {
13517 let snapshot = self.buffer().read(cx).snapshot(cx);
13518 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13519 let ix = row_highlights.binary_search_by(|highlight| {
13520 Ordering::Equal
13521 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
13522 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
13523 });
13524
13525 if let Err(mut ix) = ix {
13526 let index = post_inc(&mut self.highlight_order);
13527
13528 // If this range intersects with the preceding highlight, then merge it with
13529 // the preceding highlight. Otherwise insert a new highlight.
13530 let mut merged = false;
13531 if ix > 0 {
13532 let prev_highlight = &mut row_highlights[ix - 1];
13533 if prev_highlight
13534 .range
13535 .end
13536 .cmp(&range.start, &snapshot)
13537 .is_ge()
13538 {
13539 ix -= 1;
13540 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
13541 prev_highlight.range.end = range.end;
13542 }
13543 merged = true;
13544 prev_highlight.index = index;
13545 prev_highlight.color = color;
13546 prev_highlight.should_autoscroll = should_autoscroll;
13547 }
13548 }
13549
13550 if !merged {
13551 row_highlights.insert(
13552 ix,
13553 RowHighlight {
13554 range: range.clone(),
13555 index,
13556 color,
13557 should_autoscroll,
13558 },
13559 );
13560 }
13561
13562 // If any of the following highlights intersect with this one, merge them.
13563 while let Some(next_highlight) = row_highlights.get(ix + 1) {
13564 let highlight = &row_highlights[ix];
13565 if next_highlight
13566 .range
13567 .start
13568 .cmp(&highlight.range.end, &snapshot)
13569 .is_le()
13570 {
13571 if next_highlight
13572 .range
13573 .end
13574 .cmp(&highlight.range.end, &snapshot)
13575 .is_gt()
13576 {
13577 row_highlights[ix].range.end = next_highlight.range.end;
13578 }
13579 row_highlights.remove(ix + 1);
13580 } else {
13581 break;
13582 }
13583 }
13584 }
13585 }
13586
13587 /// Remove any highlighted row ranges of the given type that intersect the
13588 /// given ranges.
13589 pub fn remove_highlighted_rows<T: 'static>(
13590 &mut self,
13591 ranges_to_remove: Vec<Range<Anchor>>,
13592 cx: &mut Context<Self>,
13593 ) {
13594 let snapshot = self.buffer().read(cx).snapshot(cx);
13595 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13596 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
13597 row_highlights.retain(|highlight| {
13598 while let Some(range_to_remove) = ranges_to_remove.peek() {
13599 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
13600 Ordering::Less | Ordering::Equal => {
13601 ranges_to_remove.next();
13602 }
13603 Ordering::Greater => {
13604 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
13605 Ordering::Less | Ordering::Equal => {
13606 return false;
13607 }
13608 Ordering::Greater => break,
13609 }
13610 }
13611 }
13612 }
13613
13614 true
13615 })
13616 }
13617
13618 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
13619 pub fn clear_row_highlights<T: 'static>(&mut self) {
13620 self.highlighted_rows.remove(&TypeId::of::<T>());
13621 }
13622
13623 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
13624 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
13625 self.highlighted_rows
13626 .get(&TypeId::of::<T>())
13627 .map_or(&[] as &[_], |vec| vec.as_slice())
13628 .iter()
13629 .map(|highlight| (highlight.range.clone(), highlight.color))
13630 }
13631
13632 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
13633 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
13634 /// Allows to ignore certain kinds of highlights.
13635 pub fn highlighted_display_rows(
13636 &self,
13637 window: &mut Window,
13638 cx: &mut App,
13639 ) -> BTreeMap<DisplayRow, Background> {
13640 let snapshot = self.snapshot(window, cx);
13641 let mut used_highlight_orders = HashMap::default();
13642 self.highlighted_rows
13643 .iter()
13644 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
13645 .fold(
13646 BTreeMap::<DisplayRow, Background>::new(),
13647 |mut unique_rows, highlight| {
13648 let start = highlight.range.start.to_display_point(&snapshot);
13649 let end = highlight.range.end.to_display_point(&snapshot);
13650 let start_row = start.row().0;
13651 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
13652 && end.column() == 0
13653 {
13654 end.row().0.saturating_sub(1)
13655 } else {
13656 end.row().0
13657 };
13658 for row in start_row..=end_row {
13659 let used_index =
13660 used_highlight_orders.entry(row).or_insert(highlight.index);
13661 if highlight.index >= *used_index {
13662 *used_index = highlight.index;
13663 unique_rows.insert(DisplayRow(row), highlight.color.into());
13664 }
13665 }
13666 unique_rows
13667 },
13668 )
13669 }
13670
13671 pub fn highlighted_display_row_for_autoscroll(
13672 &self,
13673 snapshot: &DisplaySnapshot,
13674 ) -> Option<DisplayRow> {
13675 self.highlighted_rows
13676 .values()
13677 .flat_map(|highlighted_rows| highlighted_rows.iter())
13678 .filter_map(|highlight| {
13679 if highlight.should_autoscroll {
13680 Some(highlight.range.start.to_display_point(snapshot).row())
13681 } else {
13682 None
13683 }
13684 })
13685 .min()
13686 }
13687
13688 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
13689 self.highlight_background::<SearchWithinRange>(
13690 ranges,
13691 |colors| colors.editor_document_highlight_read_background,
13692 cx,
13693 )
13694 }
13695
13696 pub fn set_breadcrumb_header(&mut self, new_header: String) {
13697 self.breadcrumb_header = Some(new_header);
13698 }
13699
13700 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
13701 self.clear_background_highlights::<SearchWithinRange>(cx);
13702 }
13703
13704 pub fn highlight_background<T: 'static>(
13705 &mut self,
13706 ranges: &[Range<Anchor>],
13707 color_fetcher: fn(&ThemeColors) -> Hsla,
13708 cx: &mut Context<Self>,
13709 ) {
13710 self.background_highlights
13711 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13712 self.scrollbar_marker_state.dirty = true;
13713 cx.notify();
13714 }
13715
13716 pub fn clear_background_highlights<T: 'static>(
13717 &mut self,
13718 cx: &mut Context<Self>,
13719 ) -> Option<BackgroundHighlight> {
13720 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
13721 if !text_highlights.1.is_empty() {
13722 self.scrollbar_marker_state.dirty = true;
13723 cx.notify();
13724 }
13725 Some(text_highlights)
13726 }
13727
13728 pub fn highlight_gutter<T: 'static>(
13729 &mut self,
13730 ranges: &[Range<Anchor>],
13731 color_fetcher: fn(&App) -> Hsla,
13732 cx: &mut Context<Self>,
13733 ) {
13734 self.gutter_highlights
13735 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13736 cx.notify();
13737 }
13738
13739 pub fn clear_gutter_highlights<T: 'static>(
13740 &mut self,
13741 cx: &mut Context<Self>,
13742 ) -> Option<GutterHighlight> {
13743 cx.notify();
13744 self.gutter_highlights.remove(&TypeId::of::<T>())
13745 }
13746
13747 #[cfg(feature = "test-support")]
13748 pub fn all_text_background_highlights(
13749 &self,
13750 window: &mut Window,
13751 cx: &mut Context<Self>,
13752 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13753 let snapshot = self.snapshot(window, cx);
13754 let buffer = &snapshot.buffer_snapshot;
13755 let start = buffer.anchor_before(0);
13756 let end = buffer.anchor_after(buffer.len());
13757 let theme = cx.theme().colors();
13758 self.background_highlights_in_range(start..end, &snapshot, theme)
13759 }
13760
13761 #[cfg(feature = "test-support")]
13762 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
13763 let snapshot = self.buffer().read(cx).snapshot(cx);
13764
13765 let highlights = self
13766 .background_highlights
13767 .get(&TypeId::of::<items::BufferSearchHighlights>());
13768
13769 if let Some((_color, ranges)) = highlights {
13770 ranges
13771 .iter()
13772 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
13773 .collect_vec()
13774 } else {
13775 vec![]
13776 }
13777 }
13778
13779 fn document_highlights_for_position<'a>(
13780 &'a self,
13781 position: Anchor,
13782 buffer: &'a MultiBufferSnapshot,
13783 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13784 let read_highlights = self
13785 .background_highlights
13786 .get(&TypeId::of::<DocumentHighlightRead>())
13787 .map(|h| &h.1);
13788 let write_highlights = self
13789 .background_highlights
13790 .get(&TypeId::of::<DocumentHighlightWrite>())
13791 .map(|h| &h.1);
13792 let left_position = position.bias_left(buffer);
13793 let right_position = position.bias_right(buffer);
13794 read_highlights
13795 .into_iter()
13796 .chain(write_highlights)
13797 .flat_map(move |ranges| {
13798 let start_ix = match ranges.binary_search_by(|probe| {
13799 let cmp = probe.end.cmp(&left_position, buffer);
13800 if cmp.is_ge() {
13801 Ordering::Greater
13802 } else {
13803 Ordering::Less
13804 }
13805 }) {
13806 Ok(i) | Err(i) => i,
13807 };
13808
13809 ranges[start_ix..]
13810 .iter()
13811 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13812 })
13813 }
13814
13815 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13816 self.background_highlights
13817 .get(&TypeId::of::<T>())
13818 .map_or(false, |(_, highlights)| !highlights.is_empty())
13819 }
13820
13821 pub fn background_highlights_in_range(
13822 &self,
13823 search_range: Range<Anchor>,
13824 display_snapshot: &DisplaySnapshot,
13825 theme: &ThemeColors,
13826 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13827 let mut results = Vec::new();
13828 for (color_fetcher, ranges) in self.background_highlights.values() {
13829 let color = color_fetcher(theme);
13830 let start_ix = match ranges.binary_search_by(|probe| {
13831 let cmp = probe
13832 .end
13833 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13834 if cmp.is_gt() {
13835 Ordering::Greater
13836 } else {
13837 Ordering::Less
13838 }
13839 }) {
13840 Ok(i) | Err(i) => i,
13841 };
13842 for range in &ranges[start_ix..] {
13843 if range
13844 .start
13845 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13846 .is_ge()
13847 {
13848 break;
13849 }
13850
13851 let start = range.start.to_display_point(display_snapshot);
13852 let end = range.end.to_display_point(display_snapshot);
13853 results.push((start..end, color))
13854 }
13855 }
13856 results
13857 }
13858
13859 pub fn background_highlight_row_ranges<T: 'static>(
13860 &self,
13861 search_range: Range<Anchor>,
13862 display_snapshot: &DisplaySnapshot,
13863 count: usize,
13864 ) -> Vec<RangeInclusive<DisplayPoint>> {
13865 let mut results = Vec::new();
13866 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13867 return vec![];
13868 };
13869
13870 let start_ix = match ranges.binary_search_by(|probe| {
13871 let cmp = probe
13872 .end
13873 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13874 if cmp.is_gt() {
13875 Ordering::Greater
13876 } else {
13877 Ordering::Less
13878 }
13879 }) {
13880 Ok(i) | Err(i) => i,
13881 };
13882 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13883 if let (Some(start_display), Some(end_display)) = (start, end) {
13884 results.push(
13885 start_display.to_display_point(display_snapshot)
13886 ..=end_display.to_display_point(display_snapshot),
13887 );
13888 }
13889 };
13890 let mut start_row: Option<Point> = None;
13891 let mut end_row: Option<Point> = None;
13892 if ranges.len() > count {
13893 return Vec::new();
13894 }
13895 for range in &ranges[start_ix..] {
13896 if range
13897 .start
13898 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13899 .is_ge()
13900 {
13901 break;
13902 }
13903 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13904 if let Some(current_row) = &end_row {
13905 if end.row == current_row.row {
13906 continue;
13907 }
13908 }
13909 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13910 if start_row.is_none() {
13911 assert_eq!(end_row, None);
13912 start_row = Some(start);
13913 end_row = Some(end);
13914 continue;
13915 }
13916 if let Some(current_end) = end_row.as_mut() {
13917 if start.row > current_end.row + 1 {
13918 push_region(start_row, end_row);
13919 start_row = Some(start);
13920 end_row = Some(end);
13921 } else {
13922 // Merge two hunks.
13923 *current_end = end;
13924 }
13925 } else {
13926 unreachable!();
13927 }
13928 }
13929 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13930 push_region(start_row, end_row);
13931 results
13932 }
13933
13934 pub fn gutter_highlights_in_range(
13935 &self,
13936 search_range: Range<Anchor>,
13937 display_snapshot: &DisplaySnapshot,
13938 cx: &App,
13939 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13940 let mut results = Vec::new();
13941 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13942 let color = color_fetcher(cx);
13943 let start_ix = match ranges.binary_search_by(|probe| {
13944 let cmp = probe
13945 .end
13946 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13947 if cmp.is_gt() {
13948 Ordering::Greater
13949 } else {
13950 Ordering::Less
13951 }
13952 }) {
13953 Ok(i) | Err(i) => i,
13954 };
13955 for range in &ranges[start_ix..] {
13956 if range
13957 .start
13958 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13959 .is_ge()
13960 {
13961 break;
13962 }
13963
13964 let start = range.start.to_display_point(display_snapshot);
13965 let end = range.end.to_display_point(display_snapshot);
13966 results.push((start..end, color))
13967 }
13968 }
13969 results
13970 }
13971
13972 /// Get the text ranges corresponding to the redaction query
13973 pub fn redacted_ranges(
13974 &self,
13975 search_range: Range<Anchor>,
13976 display_snapshot: &DisplaySnapshot,
13977 cx: &App,
13978 ) -> Vec<Range<DisplayPoint>> {
13979 display_snapshot
13980 .buffer_snapshot
13981 .redacted_ranges(search_range, |file| {
13982 if let Some(file) = file {
13983 file.is_private()
13984 && EditorSettings::get(
13985 Some(SettingsLocation {
13986 worktree_id: file.worktree_id(cx),
13987 path: file.path().as_ref(),
13988 }),
13989 cx,
13990 )
13991 .redact_private_values
13992 } else {
13993 false
13994 }
13995 })
13996 .map(|range| {
13997 range.start.to_display_point(display_snapshot)
13998 ..range.end.to_display_point(display_snapshot)
13999 })
14000 .collect()
14001 }
14002
14003 pub fn highlight_text<T: 'static>(
14004 &mut self,
14005 ranges: Vec<Range<Anchor>>,
14006 style: HighlightStyle,
14007 cx: &mut Context<Self>,
14008 ) {
14009 self.display_map.update(cx, |map, _| {
14010 map.highlight_text(TypeId::of::<T>(), ranges, style)
14011 });
14012 cx.notify();
14013 }
14014
14015 pub(crate) fn highlight_inlays<T: 'static>(
14016 &mut self,
14017 highlights: Vec<InlayHighlight>,
14018 style: HighlightStyle,
14019 cx: &mut Context<Self>,
14020 ) {
14021 self.display_map.update(cx, |map, _| {
14022 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
14023 });
14024 cx.notify();
14025 }
14026
14027 pub fn text_highlights<'a, T: 'static>(
14028 &'a self,
14029 cx: &'a App,
14030 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
14031 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
14032 }
14033
14034 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
14035 let cleared = self
14036 .display_map
14037 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
14038 if cleared {
14039 cx.notify();
14040 }
14041 }
14042
14043 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
14044 (self.read_only(cx) || self.blink_manager.read(cx).visible())
14045 && self.focus_handle.is_focused(window)
14046 }
14047
14048 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
14049 self.show_cursor_when_unfocused = is_enabled;
14050 cx.notify();
14051 }
14052
14053 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
14054 self.project
14055 .as_ref()
14056 .map(|project| project.read(cx).lsp_store())
14057 }
14058
14059 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
14060 cx.notify();
14061 }
14062
14063 fn on_buffer_event(
14064 &mut self,
14065 multibuffer: &Entity<MultiBuffer>,
14066 event: &multi_buffer::Event,
14067 window: &mut Window,
14068 cx: &mut Context<Self>,
14069 ) {
14070 match event {
14071 multi_buffer::Event::Edited {
14072 singleton_buffer_edited,
14073 edited_buffer: buffer_edited,
14074 } => {
14075 self.scrollbar_marker_state.dirty = true;
14076 self.active_indent_guides_state.dirty = true;
14077 self.refresh_active_diagnostics(cx);
14078 self.refresh_code_actions(window, cx);
14079 if self.has_active_inline_completion() {
14080 self.update_visible_inline_completion(window, cx);
14081 }
14082 if let Some(buffer) = buffer_edited {
14083 let buffer_id = buffer.read(cx).remote_id();
14084 if !self.registered_buffers.contains_key(&buffer_id) {
14085 if let Some(lsp_store) = self.lsp_store(cx) {
14086 lsp_store.update(cx, |lsp_store, cx| {
14087 self.registered_buffers.insert(
14088 buffer_id,
14089 lsp_store.register_buffer_with_language_servers(&buffer, cx),
14090 );
14091 })
14092 }
14093 }
14094 }
14095 cx.emit(EditorEvent::BufferEdited);
14096 cx.emit(SearchEvent::MatchesInvalidated);
14097 if *singleton_buffer_edited {
14098 if let Some(project) = &self.project {
14099 let project = project.read(cx);
14100 #[allow(clippy::mutable_key_type)]
14101 let languages_affected = multibuffer
14102 .read(cx)
14103 .all_buffers()
14104 .into_iter()
14105 .filter_map(|buffer| {
14106 let buffer = buffer.read(cx);
14107 let language = buffer.language()?;
14108 if project.is_local()
14109 && project
14110 .language_servers_for_local_buffer(buffer, cx)
14111 .count()
14112 == 0
14113 {
14114 None
14115 } else {
14116 Some(language)
14117 }
14118 })
14119 .cloned()
14120 .collect::<HashSet<_>>();
14121 if !languages_affected.is_empty() {
14122 self.refresh_inlay_hints(
14123 InlayHintRefreshReason::BufferEdited(languages_affected),
14124 cx,
14125 );
14126 }
14127 }
14128 }
14129
14130 let Some(project) = &self.project else { return };
14131 let (telemetry, is_via_ssh) = {
14132 let project = project.read(cx);
14133 let telemetry = project.client().telemetry().clone();
14134 let is_via_ssh = project.is_via_ssh();
14135 (telemetry, is_via_ssh)
14136 };
14137 refresh_linked_ranges(self, window, cx);
14138 telemetry.log_edit_event("editor", is_via_ssh);
14139 }
14140 multi_buffer::Event::ExcerptsAdded {
14141 buffer,
14142 predecessor,
14143 excerpts,
14144 } => {
14145 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14146 let buffer_id = buffer.read(cx).remote_id();
14147 if self.buffer.read(cx).diff_for(buffer_id).is_none() {
14148 if let Some(project) = &self.project {
14149 get_uncommitted_diff_for_buffer(
14150 project,
14151 [buffer.clone()],
14152 self.buffer.clone(),
14153 cx,
14154 );
14155 }
14156 }
14157 cx.emit(EditorEvent::ExcerptsAdded {
14158 buffer: buffer.clone(),
14159 predecessor: *predecessor,
14160 excerpts: excerpts.clone(),
14161 });
14162 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14163 }
14164 multi_buffer::Event::ExcerptsRemoved { ids } => {
14165 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
14166 let buffer = self.buffer.read(cx);
14167 self.registered_buffers
14168 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
14169 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
14170 }
14171 multi_buffer::Event::ExcerptsEdited { ids } => {
14172 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
14173 }
14174 multi_buffer::Event::ExcerptsExpanded { ids } => {
14175 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14176 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
14177 }
14178 multi_buffer::Event::Reparsed(buffer_id) => {
14179 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14180
14181 cx.emit(EditorEvent::Reparsed(*buffer_id));
14182 }
14183 multi_buffer::Event::DiffHunksToggled => {
14184 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14185 }
14186 multi_buffer::Event::LanguageChanged(buffer_id) => {
14187 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
14188 cx.emit(EditorEvent::Reparsed(*buffer_id));
14189 cx.notify();
14190 }
14191 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
14192 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
14193 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
14194 cx.emit(EditorEvent::TitleChanged)
14195 }
14196 // multi_buffer::Event::DiffBaseChanged => {
14197 // self.scrollbar_marker_state.dirty = true;
14198 // cx.emit(EditorEvent::DiffBaseChanged);
14199 // cx.notify();
14200 // }
14201 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
14202 multi_buffer::Event::DiagnosticsUpdated => {
14203 self.refresh_active_diagnostics(cx);
14204 self.scrollbar_marker_state.dirty = true;
14205 cx.notify();
14206 }
14207 _ => {}
14208 };
14209 }
14210
14211 fn on_display_map_changed(
14212 &mut self,
14213 _: Entity<DisplayMap>,
14214 _: &mut Window,
14215 cx: &mut Context<Self>,
14216 ) {
14217 cx.notify();
14218 }
14219
14220 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14221 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14222 self.refresh_inline_completion(true, false, window, cx);
14223 self.refresh_inlay_hints(
14224 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
14225 self.selections.newest_anchor().head(),
14226 &self.buffer.read(cx).snapshot(cx),
14227 cx,
14228 )),
14229 cx,
14230 );
14231
14232 let old_cursor_shape = self.cursor_shape;
14233
14234 {
14235 let editor_settings = EditorSettings::get_global(cx);
14236 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
14237 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
14238 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
14239 }
14240
14241 if old_cursor_shape != self.cursor_shape {
14242 cx.emit(EditorEvent::CursorShapeChanged);
14243 }
14244
14245 let project_settings = ProjectSettings::get_global(cx);
14246 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
14247
14248 if self.mode == EditorMode::Full {
14249 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
14250 if self.git_blame_inline_enabled != inline_blame_enabled {
14251 self.toggle_git_blame_inline_internal(false, window, cx);
14252 }
14253 }
14254
14255 cx.notify();
14256 }
14257
14258 pub fn set_searchable(&mut self, searchable: bool) {
14259 self.searchable = searchable;
14260 }
14261
14262 pub fn searchable(&self) -> bool {
14263 self.searchable
14264 }
14265
14266 fn open_proposed_changes_editor(
14267 &mut self,
14268 _: &OpenProposedChangesEditor,
14269 window: &mut Window,
14270 cx: &mut Context<Self>,
14271 ) {
14272 let Some(workspace) = self.workspace() else {
14273 cx.propagate();
14274 return;
14275 };
14276
14277 let selections = self.selections.all::<usize>(cx);
14278 let multi_buffer = self.buffer.read(cx);
14279 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
14280 let mut new_selections_by_buffer = HashMap::default();
14281 for selection in selections {
14282 for (buffer, range, _) in
14283 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
14284 {
14285 let mut range = range.to_point(buffer);
14286 range.start.column = 0;
14287 range.end.column = buffer.line_len(range.end.row);
14288 new_selections_by_buffer
14289 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
14290 .or_insert(Vec::new())
14291 .push(range)
14292 }
14293 }
14294
14295 let proposed_changes_buffers = new_selections_by_buffer
14296 .into_iter()
14297 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
14298 .collect::<Vec<_>>();
14299 let proposed_changes_editor = cx.new(|cx| {
14300 ProposedChangesEditor::new(
14301 "Proposed changes",
14302 proposed_changes_buffers,
14303 self.project.clone(),
14304 window,
14305 cx,
14306 )
14307 });
14308
14309 window.defer(cx, move |window, cx| {
14310 workspace.update(cx, |workspace, cx| {
14311 workspace.active_pane().update(cx, |pane, cx| {
14312 pane.add_item(
14313 Box::new(proposed_changes_editor),
14314 true,
14315 true,
14316 None,
14317 window,
14318 cx,
14319 );
14320 });
14321 });
14322 });
14323 }
14324
14325 pub fn open_excerpts_in_split(
14326 &mut self,
14327 _: &OpenExcerptsSplit,
14328 window: &mut Window,
14329 cx: &mut Context<Self>,
14330 ) {
14331 self.open_excerpts_common(None, true, window, cx)
14332 }
14333
14334 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
14335 self.open_excerpts_common(None, false, window, cx)
14336 }
14337
14338 fn open_excerpts_common(
14339 &mut self,
14340 jump_data: Option<JumpData>,
14341 split: bool,
14342 window: &mut Window,
14343 cx: &mut Context<Self>,
14344 ) {
14345 let Some(workspace) = self.workspace() else {
14346 cx.propagate();
14347 return;
14348 };
14349
14350 if self.buffer.read(cx).is_singleton() {
14351 cx.propagate();
14352 return;
14353 }
14354
14355 let mut new_selections_by_buffer = HashMap::default();
14356 match &jump_data {
14357 Some(JumpData::MultiBufferPoint {
14358 excerpt_id,
14359 position,
14360 anchor,
14361 line_offset_from_top,
14362 }) => {
14363 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
14364 if let Some(buffer) = multi_buffer_snapshot
14365 .buffer_id_for_excerpt(*excerpt_id)
14366 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
14367 {
14368 let buffer_snapshot = buffer.read(cx).snapshot();
14369 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
14370 language::ToPoint::to_point(anchor, &buffer_snapshot)
14371 } else {
14372 buffer_snapshot.clip_point(*position, Bias::Left)
14373 };
14374 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
14375 new_selections_by_buffer.insert(
14376 buffer,
14377 (
14378 vec![jump_to_offset..jump_to_offset],
14379 Some(*line_offset_from_top),
14380 ),
14381 );
14382 }
14383 }
14384 Some(JumpData::MultiBufferRow {
14385 row,
14386 line_offset_from_top,
14387 }) => {
14388 let point = MultiBufferPoint::new(row.0, 0);
14389 if let Some((buffer, buffer_point, _)) =
14390 self.buffer.read(cx).point_to_buffer_point(point, cx)
14391 {
14392 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
14393 new_selections_by_buffer
14394 .entry(buffer)
14395 .or_insert((Vec::new(), Some(*line_offset_from_top)))
14396 .0
14397 .push(buffer_offset..buffer_offset)
14398 }
14399 }
14400 None => {
14401 let selections = self.selections.all::<usize>(cx);
14402 let multi_buffer = self.buffer.read(cx);
14403 for selection in selections {
14404 for (buffer, mut range, _) in multi_buffer
14405 .snapshot(cx)
14406 .range_to_buffer_ranges(selection.range())
14407 {
14408 // When editing branch buffers, jump to the corresponding location
14409 // in their base buffer.
14410 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
14411 let buffer = buffer_handle.read(cx);
14412 if let Some(base_buffer) = buffer.base_buffer() {
14413 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
14414 buffer_handle = base_buffer;
14415 }
14416
14417 if selection.reversed {
14418 mem::swap(&mut range.start, &mut range.end);
14419 }
14420 new_selections_by_buffer
14421 .entry(buffer_handle)
14422 .or_insert((Vec::new(), None))
14423 .0
14424 .push(range)
14425 }
14426 }
14427 }
14428 }
14429
14430 if new_selections_by_buffer.is_empty() {
14431 return;
14432 }
14433
14434 // We defer the pane interaction because we ourselves are a workspace item
14435 // and activating a new item causes the pane to call a method on us reentrantly,
14436 // which panics if we're on the stack.
14437 window.defer(cx, move |window, cx| {
14438 workspace.update(cx, |workspace, cx| {
14439 let pane = if split {
14440 workspace.adjacent_pane(window, cx)
14441 } else {
14442 workspace.active_pane().clone()
14443 };
14444
14445 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
14446 let editor = buffer
14447 .read(cx)
14448 .file()
14449 .is_none()
14450 .then(|| {
14451 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
14452 // so `workspace.open_project_item` will never find them, always opening a new editor.
14453 // Instead, we try to activate the existing editor in the pane first.
14454 let (editor, pane_item_index) =
14455 pane.read(cx).items().enumerate().find_map(|(i, item)| {
14456 let editor = item.downcast::<Editor>()?;
14457 let singleton_buffer =
14458 editor.read(cx).buffer().read(cx).as_singleton()?;
14459 if singleton_buffer == buffer {
14460 Some((editor, i))
14461 } else {
14462 None
14463 }
14464 })?;
14465 pane.update(cx, |pane, cx| {
14466 pane.activate_item(pane_item_index, true, true, window, cx)
14467 });
14468 Some(editor)
14469 })
14470 .flatten()
14471 .unwrap_or_else(|| {
14472 workspace.open_project_item::<Self>(
14473 pane.clone(),
14474 buffer,
14475 true,
14476 true,
14477 window,
14478 cx,
14479 )
14480 });
14481
14482 editor.update(cx, |editor, cx| {
14483 let autoscroll = match scroll_offset {
14484 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
14485 None => Autoscroll::newest(),
14486 };
14487 let nav_history = editor.nav_history.take();
14488 editor.change_selections(Some(autoscroll), window, cx, |s| {
14489 s.select_ranges(ranges);
14490 });
14491 editor.nav_history = nav_history;
14492 });
14493 }
14494 })
14495 });
14496 }
14497
14498 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
14499 let snapshot = self.buffer.read(cx).read(cx);
14500 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
14501 Some(
14502 ranges
14503 .iter()
14504 .map(move |range| {
14505 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
14506 })
14507 .collect(),
14508 )
14509 }
14510
14511 fn selection_replacement_ranges(
14512 &self,
14513 range: Range<OffsetUtf16>,
14514 cx: &mut App,
14515 ) -> Vec<Range<OffsetUtf16>> {
14516 let selections = self.selections.all::<OffsetUtf16>(cx);
14517 let newest_selection = selections
14518 .iter()
14519 .max_by_key(|selection| selection.id)
14520 .unwrap();
14521 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
14522 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
14523 let snapshot = self.buffer.read(cx).read(cx);
14524 selections
14525 .into_iter()
14526 .map(|mut selection| {
14527 selection.start.0 =
14528 (selection.start.0 as isize).saturating_add(start_delta) as usize;
14529 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
14530 snapshot.clip_offset_utf16(selection.start, Bias::Left)
14531 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
14532 })
14533 .collect()
14534 }
14535
14536 fn report_editor_event(
14537 &self,
14538 event_type: &'static str,
14539 file_extension: Option<String>,
14540 cx: &App,
14541 ) {
14542 if cfg!(any(test, feature = "test-support")) {
14543 return;
14544 }
14545
14546 let Some(project) = &self.project else { return };
14547
14548 // If None, we are in a file without an extension
14549 let file = self
14550 .buffer
14551 .read(cx)
14552 .as_singleton()
14553 .and_then(|b| b.read(cx).file());
14554 let file_extension = file_extension.or(file
14555 .as_ref()
14556 .and_then(|file| Path::new(file.file_name(cx)).extension())
14557 .and_then(|e| e.to_str())
14558 .map(|a| a.to_string()));
14559
14560 let vim_mode = cx
14561 .global::<SettingsStore>()
14562 .raw_user_settings()
14563 .get("vim_mode")
14564 == Some(&serde_json::Value::Bool(true));
14565
14566 let edit_predictions_provider = all_language_settings(file, cx).edit_predictions.provider;
14567 let copilot_enabled = edit_predictions_provider
14568 == language::language_settings::EditPredictionProvider::Copilot;
14569 let copilot_enabled_for_language = self
14570 .buffer
14571 .read(cx)
14572 .settings_at(0, cx)
14573 .show_edit_predictions;
14574
14575 let project = project.read(cx);
14576 telemetry::event!(
14577 event_type,
14578 file_extension,
14579 vim_mode,
14580 copilot_enabled,
14581 copilot_enabled_for_language,
14582 edit_predictions_provider,
14583 is_via_ssh = project.is_via_ssh(),
14584 );
14585 }
14586
14587 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
14588 /// with each line being an array of {text, highlight} objects.
14589 fn copy_highlight_json(
14590 &mut self,
14591 _: &CopyHighlightJson,
14592 window: &mut Window,
14593 cx: &mut Context<Self>,
14594 ) {
14595 #[derive(Serialize)]
14596 struct Chunk<'a> {
14597 text: String,
14598 highlight: Option<&'a str>,
14599 }
14600
14601 let snapshot = self.buffer.read(cx).snapshot(cx);
14602 let range = self
14603 .selected_text_range(false, window, cx)
14604 .and_then(|selection| {
14605 if selection.range.is_empty() {
14606 None
14607 } else {
14608 Some(selection.range)
14609 }
14610 })
14611 .unwrap_or_else(|| 0..snapshot.len());
14612
14613 let chunks = snapshot.chunks(range, true);
14614 let mut lines = Vec::new();
14615 let mut line: VecDeque<Chunk> = VecDeque::new();
14616
14617 let Some(style) = self.style.as_ref() else {
14618 return;
14619 };
14620
14621 for chunk in chunks {
14622 let highlight = chunk
14623 .syntax_highlight_id
14624 .and_then(|id| id.name(&style.syntax));
14625 let mut chunk_lines = chunk.text.split('\n').peekable();
14626 while let Some(text) = chunk_lines.next() {
14627 let mut merged_with_last_token = false;
14628 if let Some(last_token) = line.back_mut() {
14629 if last_token.highlight == highlight {
14630 last_token.text.push_str(text);
14631 merged_with_last_token = true;
14632 }
14633 }
14634
14635 if !merged_with_last_token {
14636 line.push_back(Chunk {
14637 text: text.into(),
14638 highlight,
14639 });
14640 }
14641
14642 if chunk_lines.peek().is_some() {
14643 if line.len() > 1 && line.front().unwrap().text.is_empty() {
14644 line.pop_front();
14645 }
14646 if line.len() > 1 && line.back().unwrap().text.is_empty() {
14647 line.pop_back();
14648 }
14649
14650 lines.push(mem::take(&mut line));
14651 }
14652 }
14653 }
14654
14655 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
14656 return;
14657 };
14658 cx.write_to_clipboard(ClipboardItem::new_string(lines));
14659 }
14660
14661 pub fn open_context_menu(
14662 &mut self,
14663 _: &OpenContextMenu,
14664 window: &mut Window,
14665 cx: &mut Context<Self>,
14666 ) {
14667 self.request_autoscroll(Autoscroll::newest(), cx);
14668 let position = self.selections.newest_display(cx).start;
14669 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
14670 }
14671
14672 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
14673 &self.inlay_hint_cache
14674 }
14675
14676 pub fn replay_insert_event(
14677 &mut self,
14678 text: &str,
14679 relative_utf16_range: Option<Range<isize>>,
14680 window: &mut Window,
14681 cx: &mut Context<Self>,
14682 ) {
14683 if !self.input_enabled {
14684 cx.emit(EditorEvent::InputIgnored { text: text.into() });
14685 return;
14686 }
14687 if let Some(relative_utf16_range) = relative_utf16_range {
14688 let selections = self.selections.all::<OffsetUtf16>(cx);
14689 self.change_selections(None, window, cx, |s| {
14690 let new_ranges = selections.into_iter().map(|range| {
14691 let start = OffsetUtf16(
14692 range
14693 .head()
14694 .0
14695 .saturating_add_signed(relative_utf16_range.start),
14696 );
14697 let end = OffsetUtf16(
14698 range
14699 .head()
14700 .0
14701 .saturating_add_signed(relative_utf16_range.end),
14702 );
14703 start..end
14704 });
14705 s.select_ranges(new_ranges);
14706 });
14707 }
14708
14709 self.handle_input(text, window, cx);
14710 }
14711
14712 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
14713 let Some(provider) = self.semantics_provider.as_ref() else {
14714 return false;
14715 };
14716
14717 let mut supports = false;
14718 self.buffer().read(cx).for_each_buffer(|buffer| {
14719 supports |= provider.supports_inlay_hints(buffer, cx);
14720 });
14721 supports
14722 }
14723
14724 pub fn is_focused(&self, window: &Window) -> bool {
14725 self.focus_handle.is_focused(window)
14726 }
14727
14728 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14729 cx.emit(EditorEvent::Focused);
14730
14731 if let Some(descendant) = self
14732 .last_focused_descendant
14733 .take()
14734 .and_then(|descendant| descendant.upgrade())
14735 {
14736 window.focus(&descendant);
14737 } else {
14738 if let Some(blame) = self.blame.as_ref() {
14739 blame.update(cx, GitBlame::focus)
14740 }
14741
14742 self.blink_manager.update(cx, BlinkManager::enable);
14743 self.show_cursor_names(window, cx);
14744 self.buffer.update(cx, |buffer, cx| {
14745 buffer.finalize_last_transaction(cx);
14746 if self.leader_peer_id.is_none() {
14747 buffer.set_active_selections(
14748 &self.selections.disjoint_anchors(),
14749 self.selections.line_mode,
14750 self.cursor_shape,
14751 cx,
14752 );
14753 }
14754 });
14755 }
14756 }
14757
14758 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
14759 cx.emit(EditorEvent::FocusedIn)
14760 }
14761
14762 fn handle_focus_out(
14763 &mut self,
14764 event: FocusOutEvent,
14765 _window: &mut Window,
14766 _cx: &mut Context<Self>,
14767 ) {
14768 if event.blurred != self.focus_handle {
14769 self.last_focused_descendant = Some(event.blurred);
14770 }
14771 }
14772
14773 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14774 self.blink_manager.update(cx, BlinkManager::disable);
14775 self.buffer
14776 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
14777
14778 if let Some(blame) = self.blame.as_ref() {
14779 blame.update(cx, GitBlame::blur)
14780 }
14781 if !self.hover_state.focused(window, cx) {
14782 hide_hover(self, cx);
14783 }
14784
14785 self.hide_context_menu(window, cx);
14786 self.discard_inline_completion(false, cx);
14787 cx.emit(EditorEvent::Blurred);
14788 cx.notify();
14789 }
14790
14791 pub fn register_action<A: Action>(
14792 &mut self,
14793 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14794 ) -> Subscription {
14795 let id = self.next_editor_action_id.post_inc();
14796 let listener = Arc::new(listener);
14797 self.editor_actions.borrow_mut().insert(
14798 id,
14799 Box::new(move |window, _| {
14800 let listener = listener.clone();
14801 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14802 let action = action.downcast_ref().unwrap();
14803 if phase == DispatchPhase::Bubble {
14804 listener(action, window, cx)
14805 }
14806 })
14807 }),
14808 );
14809
14810 let editor_actions = self.editor_actions.clone();
14811 Subscription::new(move || {
14812 editor_actions.borrow_mut().remove(&id);
14813 })
14814 }
14815
14816 pub fn file_header_size(&self) -> u32 {
14817 FILE_HEADER_HEIGHT
14818 }
14819
14820 pub fn revert(
14821 &mut self,
14822 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14823 window: &mut Window,
14824 cx: &mut Context<Self>,
14825 ) {
14826 self.buffer().update(cx, |multi_buffer, cx| {
14827 for (buffer_id, changes) in revert_changes {
14828 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14829 buffer.update(cx, |buffer, cx| {
14830 buffer.edit(
14831 changes.into_iter().map(|(range, text)| {
14832 (range, text.to_string().map(Arc::<str>::from))
14833 }),
14834 None,
14835 cx,
14836 );
14837 });
14838 }
14839 }
14840 });
14841 self.change_selections(None, window, cx, |selections| selections.refresh());
14842 }
14843
14844 pub fn to_pixel_point(
14845 &self,
14846 source: multi_buffer::Anchor,
14847 editor_snapshot: &EditorSnapshot,
14848 window: &mut Window,
14849 ) -> Option<gpui::Point<Pixels>> {
14850 let source_point = source.to_display_point(editor_snapshot);
14851 self.display_to_pixel_point(source_point, editor_snapshot, window)
14852 }
14853
14854 pub fn display_to_pixel_point(
14855 &self,
14856 source: DisplayPoint,
14857 editor_snapshot: &EditorSnapshot,
14858 window: &mut Window,
14859 ) -> Option<gpui::Point<Pixels>> {
14860 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14861 let text_layout_details = self.text_layout_details(window);
14862 let scroll_top = text_layout_details
14863 .scroll_anchor
14864 .scroll_position(editor_snapshot)
14865 .y;
14866
14867 if source.row().as_f32() < scroll_top.floor() {
14868 return None;
14869 }
14870 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14871 let source_y = line_height * (source.row().as_f32() - scroll_top);
14872 Some(gpui::Point::new(source_x, source_y))
14873 }
14874
14875 pub fn has_visible_completions_menu(&self) -> bool {
14876 !self.edit_prediction_preview_is_active()
14877 && self.context_menu.borrow().as_ref().map_or(false, |menu| {
14878 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14879 })
14880 }
14881
14882 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14883 self.addons
14884 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14885 }
14886
14887 pub fn unregister_addon<T: Addon>(&mut self) {
14888 self.addons.remove(&std::any::TypeId::of::<T>());
14889 }
14890
14891 pub fn addon<T: Addon>(&self) -> Option<&T> {
14892 let type_id = std::any::TypeId::of::<T>();
14893 self.addons
14894 .get(&type_id)
14895 .and_then(|item| item.to_any().downcast_ref::<T>())
14896 }
14897
14898 fn character_size(&self, window: &mut Window) -> gpui::Size<Pixels> {
14899 let text_layout_details = self.text_layout_details(window);
14900 let style = &text_layout_details.editor_style;
14901 let font_id = window.text_system().resolve_font(&style.text.font());
14902 let font_size = style.text.font_size.to_pixels(window.rem_size());
14903 let line_height = style.text.line_height_in_pixels(window.rem_size());
14904 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
14905
14906 gpui::Size::new(em_width, line_height)
14907 }
14908}
14909
14910fn get_uncommitted_diff_for_buffer(
14911 project: &Entity<Project>,
14912 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14913 buffer: Entity<MultiBuffer>,
14914 cx: &mut App,
14915) {
14916 let mut tasks = Vec::new();
14917 project.update(cx, |project, cx| {
14918 for buffer in buffers {
14919 tasks.push(project.open_uncommitted_diff(buffer.clone(), cx))
14920 }
14921 });
14922 cx.spawn(|mut cx| async move {
14923 let diffs = futures::future::join_all(tasks).await;
14924 buffer
14925 .update(&mut cx, |buffer, cx| {
14926 for diff in diffs.into_iter().flatten() {
14927 buffer.add_diff(diff, cx);
14928 }
14929 })
14930 .ok();
14931 })
14932 .detach();
14933}
14934
14935fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14936 let tab_size = tab_size.get() as usize;
14937 let mut width = offset;
14938
14939 for ch in text.chars() {
14940 width += if ch == '\t' {
14941 tab_size - (width % tab_size)
14942 } else {
14943 1
14944 };
14945 }
14946
14947 width - offset
14948}
14949
14950#[cfg(test)]
14951mod tests {
14952 use super::*;
14953
14954 #[test]
14955 fn test_string_size_with_expanded_tabs() {
14956 let nz = |val| NonZeroU32::new(val).unwrap();
14957 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14958 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14959 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14960 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14961 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14962 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14963 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14964 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14965 }
14966}
14967
14968/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14969struct WordBreakingTokenizer<'a> {
14970 input: &'a str,
14971}
14972
14973impl<'a> WordBreakingTokenizer<'a> {
14974 fn new(input: &'a str) -> Self {
14975 Self { input }
14976 }
14977}
14978
14979fn is_char_ideographic(ch: char) -> bool {
14980 use unicode_script::Script::*;
14981 use unicode_script::UnicodeScript;
14982 matches!(ch.script(), Han | Tangut | Yi)
14983}
14984
14985fn is_grapheme_ideographic(text: &str) -> bool {
14986 text.chars().any(is_char_ideographic)
14987}
14988
14989fn is_grapheme_whitespace(text: &str) -> bool {
14990 text.chars().any(|x| x.is_whitespace())
14991}
14992
14993fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14994 text.chars().next().map_or(false, |ch| {
14995 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14996 })
14997}
14998
14999#[derive(PartialEq, Eq, Debug, Clone, Copy)]
15000struct WordBreakToken<'a> {
15001 token: &'a str,
15002 grapheme_len: usize,
15003 is_whitespace: bool,
15004}
15005
15006impl<'a> Iterator for WordBreakingTokenizer<'a> {
15007 /// Yields a span, the count of graphemes in the token, and whether it was
15008 /// whitespace. Note that it also breaks at word boundaries.
15009 type Item = WordBreakToken<'a>;
15010
15011 fn next(&mut self) -> Option<Self::Item> {
15012 use unicode_segmentation::UnicodeSegmentation;
15013 if self.input.is_empty() {
15014 return None;
15015 }
15016
15017 let mut iter = self.input.graphemes(true).peekable();
15018 let mut offset = 0;
15019 let mut graphemes = 0;
15020 if let Some(first_grapheme) = iter.next() {
15021 let is_whitespace = is_grapheme_whitespace(first_grapheme);
15022 offset += first_grapheme.len();
15023 graphemes += 1;
15024 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
15025 if let Some(grapheme) = iter.peek().copied() {
15026 if should_stay_with_preceding_ideograph(grapheme) {
15027 offset += grapheme.len();
15028 graphemes += 1;
15029 }
15030 }
15031 } else {
15032 let mut words = self.input[offset..].split_word_bound_indices().peekable();
15033 let mut next_word_bound = words.peek().copied();
15034 if next_word_bound.map_or(false, |(i, _)| i == 0) {
15035 next_word_bound = words.next();
15036 }
15037 while let Some(grapheme) = iter.peek().copied() {
15038 if next_word_bound.map_or(false, |(i, _)| i == offset) {
15039 break;
15040 };
15041 if is_grapheme_whitespace(grapheme) != is_whitespace {
15042 break;
15043 };
15044 offset += grapheme.len();
15045 graphemes += 1;
15046 iter.next();
15047 }
15048 }
15049 let token = &self.input[..offset];
15050 self.input = &self.input[offset..];
15051 if is_whitespace {
15052 Some(WordBreakToken {
15053 token: " ",
15054 grapheme_len: 1,
15055 is_whitespace: true,
15056 })
15057 } else {
15058 Some(WordBreakToken {
15059 token,
15060 grapheme_len: graphemes,
15061 is_whitespace: false,
15062 })
15063 }
15064 } else {
15065 None
15066 }
15067 }
15068}
15069
15070#[test]
15071fn test_word_breaking_tokenizer() {
15072 let tests: &[(&str, &[(&str, usize, bool)])] = &[
15073 ("", &[]),
15074 (" ", &[(" ", 1, true)]),
15075 ("Ʒ", &[("Ʒ", 1, false)]),
15076 ("Ǽ", &[("Ǽ", 1, false)]),
15077 ("⋑", &[("⋑", 1, false)]),
15078 ("⋑⋑", &[("⋑⋑", 2, false)]),
15079 (
15080 "原理，进而",
15081 &[
15082 ("原", 1, false),
15083 ("理，", 2, false),
15084 ("进", 1, false),
15085 ("而", 1, false),
15086 ],
15087 ),
15088 (
15089 "hello world",
15090 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
15091 ),
15092 (
15093 "hello, world",
15094 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
15095 ),
15096 (
15097 " hello world",
15098 &[
15099 (" ", 1, true),
15100 ("hello", 5, false),
15101 (" ", 1, true),
15102 ("world", 5, false),
15103 ],
15104 ),
15105 (
15106 "这是什么 \n 钢笔",
15107 &[
15108 ("这", 1, false),
15109 ("是", 1, false),
15110 ("什", 1, false),
15111 ("么", 1, false),
15112 (" ", 1, true),
15113 ("钢", 1, false),
15114 ("笔", 1, false),
15115 ],
15116 ),
15117 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
15118 ];
15119
15120 for (input, result) in tests {
15121 assert_eq!(
15122 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
15123 result
15124 .iter()
15125 .copied()
15126 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
15127 token,
15128 grapheme_len,
15129 is_whitespace,
15130 })
15131 .collect::<Vec<_>>()
15132 );
15133 }
15134}
15135
15136fn wrap_with_prefix(
15137 line_prefix: String,
15138 unwrapped_text: String,
15139 wrap_column: usize,
15140 tab_size: NonZeroU32,
15141) -> String {
15142 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
15143 let mut wrapped_text = String::new();
15144 let mut current_line = line_prefix.clone();
15145
15146 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
15147 let mut current_line_len = line_prefix_len;
15148 for WordBreakToken {
15149 token,
15150 grapheme_len,
15151 is_whitespace,
15152 } in tokenizer
15153 {
15154 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
15155 wrapped_text.push_str(current_line.trim_end());
15156 wrapped_text.push('\n');
15157 current_line.truncate(line_prefix.len());
15158 current_line_len = line_prefix_len;
15159 if !is_whitespace {
15160 current_line.push_str(token);
15161 current_line_len += grapheme_len;
15162 }
15163 } else if !is_whitespace {
15164 current_line.push_str(token);
15165 current_line_len += grapheme_len;
15166 } else if current_line_len != line_prefix_len {
15167 current_line.push(' ');
15168 current_line_len += 1;
15169 }
15170 }
15171
15172 if !current_line.is_empty() {
15173 wrapped_text.push_str(¤t_line);
15174 }
15175 wrapped_text
15176}
15177
15178#[test]
15179fn test_wrap_with_prefix() {
15180 assert_eq!(
15181 wrap_with_prefix(
15182 "# ".to_string(),
15183 "abcdefg".to_string(),
15184 4,
15185 NonZeroU32::new(4).unwrap()
15186 ),
15187 "# abcdefg"
15188 );
15189 assert_eq!(
15190 wrap_with_prefix(
15191 "".to_string(),
15192 "\thello world".to_string(),
15193 8,
15194 NonZeroU32::new(4).unwrap()
15195 ),
15196 "hello\nworld"
15197 );
15198 assert_eq!(
15199 wrap_with_prefix(
15200 "// ".to_string(),
15201 "xx \nyy zz aa bb cc".to_string(),
15202 12,
15203 NonZeroU32::new(4).unwrap()
15204 ),
15205 "// xx yy zz\n// aa bb cc"
15206 );
15207 assert_eq!(
15208 wrap_with_prefix(
15209 String::new(),
15210 "这是什么 \n 钢笔".to_string(),
15211 3,
15212 NonZeroU32::new(4).unwrap()
15213 ),
15214 "这是什\n么 钢\n笔"
15215 );
15216}
15217
15218pub trait CollaborationHub {
15219 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
15220 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
15221 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
15222}
15223
15224impl CollaborationHub for Entity<Project> {
15225 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
15226 self.read(cx).collaborators()
15227 }
15228
15229 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
15230 self.read(cx).user_store().read(cx).participant_indices()
15231 }
15232
15233 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
15234 let this = self.read(cx);
15235 let user_ids = this.collaborators().values().map(|c| c.user_id);
15236 this.user_store().read_with(cx, |user_store, cx| {
15237 user_store.participant_names(user_ids, cx)
15238 })
15239 }
15240}
15241
15242pub trait SemanticsProvider {
15243 fn hover(
15244 &self,
15245 buffer: &Entity<Buffer>,
15246 position: text::Anchor,
15247 cx: &mut App,
15248 ) -> Option<Task<Vec<project::Hover>>>;
15249
15250 fn inlay_hints(
15251 &self,
15252 buffer_handle: Entity<Buffer>,
15253 range: Range<text::Anchor>,
15254 cx: &mut App,
15255 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
15256
15257 fn resolve_inlay_hint(
15258 &self,
15259 hint: InlayHint,
15260 buffer_handle: Entity<Buffer>,
15261 server_id: LanguageServerId,
15262 cx: &mut App,
15263 ) -> Option<Task<anyhow::Result<InlayHint>>>;
15264
15265 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
15266
15267 fn document_highlights(
15268 &self,
15269 buffer: &Entity<Buffer>,
15270 position: text::Anchor,
15271 cx: &mut App,
15272 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
15273
15274 fn definitions(
15275 &self,
15276 buffer: &Entity<Buffer>,
15277 position: text::Anchor,
15278 kind: GotoDefinitionKind,
15279 cx: &mut App,
15280 ) -> Option<Task<Result<Vec<LocationLink>>>>;
15281
15282 fn range_for_rename(
15283 &self,
15284 buffer: &Entity<Buffer>,
15285 position: text::Anchor,
15286 cx: &mut App,
15287 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
15288
15289 fn perform_rename(
15290 &self,
15291 buffer: &Entity<Buffer>,
15292 position: text::Anchor,
15293 new_name: String,
15294 cx: &mut App,
15295 ) -> Option<Task<Result<ProjectTransaction>>>;
15296}
15297
15298pub trait CompletionProvider {
15299 fn completions(
15300 &self,
15301 buffer: &Entity<Buffer>,
15302 buffer_position: text::Anchor,
15303 trigger: CompletionContext,
15304 window: &mut Window,
15305 cx: &mut Context<Editor>,
15306 ) -> Task<Result<Vec<Completion>>>;
15307
15308 fn resolve_completions(
15309 &self,
15310 buffer: Entity<Buffer>,
15311 completion_indices: Vec<usize>,
15312 completions: Rc<RefCell<Box<[Completion]>>>,
15313 cx: &mut Context<Editor>,
15314 ) -> Task<Result<bool>>;
15315
15316 fn apply_additional_edits_for_completion(
15317 &self,
15318 _buffer: Entity<Buffer>,
15319 _completions: Rc<RefCell<Box<[Completion]>>>,
15320 _completion_index: usize,
15321 _push_to_history: bool,
15322 _cx: &mut Context<Editor>,
15323 ) -> Task<Result<Option<language::Transaction>>> {
15324 Task::ready(Ok(None))
15325 }
15326
15327 fn is_completion_trigger(
15328 &self,
15329 buffer: &Entity<Buffer>,
15330 position: language::Anchor,
15331 text: &str,
15332 trigger_in_words: bool,
15333 cx: &mut Context<Editor>,
15334 ) -> bool;
15335
15336 fn sort_completions(&self) -> bool {
15337 true
15338 }
15339}
15340
15341pub trait CodeActionProvider {
15342 fn id(&self) -> Arc<str>;
15343
15344 fn code_actions(
15345 &self,
15346 buffer: &Entity<Buffer>,
15347 range: Range<text::Anchor>,
15348 window: &mut Window,
15349 cx: &mut App,
15350 ) -> Task<Result<Vec<CodeAction>>>;
15351
15352 fn apply_code_action(
15353 &self,
15354 buffer_handle: Entity<Buffer>,
15355 action: CodeAction,
15356 excerpt_id: ExcerptId,
15357 push_to_history: bool,
15358 window: &mut Window,
15359 cx: &mut App,
15360 ) -> Task<Result<ProjectTransaction>>;
15361}
15362
15363impl CodeActionProvider for Entity<Project> {
15364 fn id(&self) -> Arc<str> {
15365 "project".into()
15366 }
15367
15368 fn code_actions(
15369 &self,
15370 buffer: &Entity<Buffer>,
15371 range: Range<text::Anchor>,
15372 _window: &mut Window,
15373 cx: &mut App,
15374 ) -> Task<Result<Vec<CodeAction>>> {
15375 self.update(cx, |project, cx| {
15376 project.code_actions(buffer, range, None, cx)
15377 })
15378 }
15379
15380 fn apply_code_action(
15381 &self,
15382 buffer_handle: Entity<Buffer>,
15383 action: CodeAction,
15384 _excerpt_id: ExcerptId,
15385 push_to_history: bool,
15386 _window: &mut Window,
15387 cx: &mut App,
15388 ) -> Task<Result<ProjectTransaction>> {
15389 self.update(cx, |project, cx| {
15390 project.apply_code_action(buffer_handle, action, push_to_history, cx)
15391 })
15392 }
15393}
15394
15395fn snippet_completions(
15396 project: &Project,
15397 buffer: &Entity<Buffer>,
15398 buffer_position: text::Anchor,
15399 cx: &mut App,
15400) -> Task<Result<Vec<Completion>>> {
15401 let language = buffer.read(cx).language_at(buffer_position);
15402 let language_name = language.as_ref().map(|language| language.lsp_id());
15403 let snippet_store = project.snippets().read(cx);
15404 let snippets = snippet_store.snippets_for(language_name, cx);
15405
15406 if snippets.is_empty() {
15407 return Task::ready(Ok(vec![]));
15408 }
15409 let snapshot = buffer.read(cx).text_snapshot();
15410 let chars: String = snapshot
15411 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
15412 .collect();
15413
15414 let scope = language.map(|language| language.default_scope());
15415 let executor = cx.background_executor().clone();
15416
15417 cx.background_executor().spawn(async move {
15418 let classifier = CharClassifier::new(scope).for_completion(true);
15419 let mut last_word = chars
15420 .chars()
15421 .take_while(|c| classifier.is_word(*c))
15422 .collect::<String>();
15423 last_word = last_word.chars().rev().collect();
15424
15425 if last_word.is_empty() {
15426 return Ok(vec![]);
15427 }
15428
15429 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
15430 let to_lsp = |point: &text::Anchor| {
15431 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
15432 point_to_lsp(end)
15433 };
15434 let lsp_end = to_lsp(&buffer_position);
15435
15436 let candidates = snippets
15437 .iter()
15438 .enumerate()
15439 .flat_map(|(ix, snippet)| {
15440 snippet
15441 .prefix
15442 .iter()
15443 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
15444 })
15445 .collect::<Vec<StringMatchCandidate>>();
15446
15447 let mut matches = fuzzy::match_strings(
15448 &candidates,
15449 &last_word,
15450 last_word.chars().any(|c| c.is_uppercase()),
15451 100,
15452 &Default::default(),
15453 executor,
15454 )
15455 .await;
15456
15457 // Remove all candidates where the query's start does not match the start of any word in the candidate
15458 if let Some(query_start) = last_word.chars().next() {
15459 matches.retain(|string_match| {
15460 split_words(&string_match.string).any(|word| {
15461 // Check that the first codepoint of the word as lowercase matches the first
15462 // codepoint of the query as lowercase
15463 word.chars()
15464 .flat_map(|codepoint| codepoint.to_lowercase())
15465 .zip(query_start.to_lowercase())
15466 .all(|(word_cp, query_cp)| word_cp == query_cp)
15467 })
15468 });
15469 }
15470
15471 let matched_strings = matches
15472 .into_iter()
15473 .map(|m| m.string)
15474 .collect::<HashSet<_>>();
15475
15476 let result: Vec<Completion> = snippets
15477 .into_iter()
15478 .filter_map(|snippet| {
15479 let matching_prefix = snippet
15480 .prefix
15481 .iter()
15482 .find(|prefix| matched_strings.contains(*prefix))?;
15483 let start = as_offset - last_word.len();
15484 let start = snapshot.anchor_before(start);
15485 let range = start..buffer_position;
15486 let lsp_start = to_lsp(&start);
15487 let lsp_range = lsp::Range {
15488 start: lsp_start,
15489 end: lsp_end,
15490 };
15491 Some(Completion {
15492 old_range: range,
15493 new_text: snippet.body.clone(),
15494 resolved: false,
15495 label: CodeLabel {
15496 text: matching_prefix.clone(),
15497 runs: vec![],
15498 filter_range: 0..matching_prefix.len(),
15499 },
15500 server_id: LanguageServerId(usize::MAX),
15501 documentation: snippet
15502 .description
15503 .clone()
15504 .map(CompletionDocumentation::SingleLine),
15505 lsp_completion: lsp::CompletionItem {
15506 label: snippet.prefix.first().unwrap().clone(),
15507 kind: Some(CompletionItemKind::SNIPPET),
15508 label_details: snippet.description.as_ref().map(|description| {
15509 lsp::CompletionItemLabelDetails {
15510 detail: Some(description.clone()),
15511 description: None,
15512 }
15513 }),
15514 insert_text_format: Some(InsertTextFormat::SNIPPET),
15515 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
15516 lsp::InsertReplaceEdit {
15517 new_text: snippet.body.clone(),
15518 insert: lsp_range,
15519 replace: lsp_range,
15520 },
15521 )),
15522 filter_text: Some(snippet.body.clone()),
15523 sort_text: Some(char::MAX.to_string()),
15524 ..Default::default()
15525 },
15526 confirm: None,
15527 })
15528 })
15529 .collect();
15530
15531 Ok(result)
15532 })
15533}
15534
15535impl CompletionProvider for Entity<Project> {
15536 fn completions(
15537 &self,
15538 buffer: &Entity<Buffer>,
15539 buffer_position: text::Anchor,
15540 options: CompletionContext,
15541 _window: &mut Window,
15542 cx: &mut Context<Editor>,
15543 ) -> Task<Result<Vec<Completion>>> {
15544 self.update(cx, |project, cx| {
15545 let snippets = snippet_completions(project, buffer, buffer_position, cx);
15546 let project_completions = project.completions(buffer, buffer_position, options, cx);
15547 cx.background_executor().spawn(async move {
15548 let mut completions = project_completions.await?;
15549 let snippets_completions = snippets.await?;
15550 completions.extend(snippets_completions);
15551 Ok(completions)
15552 })
15553 })
15554 }
15555
15556 fn resolve_completions(
15557 &self,
15558 buffer: Entity<Buffer>,
15559 completion_indices: Vec<usize>,
15560 completions: Rc<RefCell<Box<[Completion]>>>,
15561 cx: &mut Context<Editor>,
15562 ) -> Task<Result<bool>> {
15563 self.update(cx, |project, cx| {
15564 project.lsp_store().update(cx, |lsp_store, cx| {
15565 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
15566 })
15567 })
15568 }
15569
15570 fn apply_additional_edits_for_completion(
15571 &self,
15572 buffer: Entity<Buffer>,
15573 completions: Rc<RefCell<Box<[Completion]>>>,
15574 completion_index: usize,
15575 push_to_history: bool,
15576 cx: &mut Context<Editor>,
15577 ) -> Task<Result<Option<language::Transaction>>> {
15578 self.update(cx, |project, cx| {
15579 project.lsp_store().update(cx, |lsp_store, cx| {
15580 lsp_store.apply_additional_edits_for_completion(
15581 buffer,
15582 completions,
15583 completion_index,
15584 push_to_history,
15585 cx,
15586 )
15587 })
15588 })
15589 }
15590
15591 fn is_completion_trigger(
15592 &self,
15593 buffer: &Entity<Buffer>,
15594 position: language::Anchor,
15595 text: &str,
15596 trigger_in_words: bool,
15597 cx: &mut Context<Editor>,
15598 ) -> bool {
15599 let mut chars = text.chars();
15600 let char = if let Some(char) = chars.next() {
15601 char
15602 } else {
15603 return false;
15604 };
15605 if chars.next().is_some() {
15606 return false;
15607 }
15608
15609 let buffer = buffer.read(cx);
15610 let snapshot = buffer.snapshot();
15611 if !snapshot.settings_at(position, cx).show_completions_on_input {
15612 return false;
15613 }
15614 let classifier = snapshot.char_classifier_at(position).for_completion(true);
15615 if trigger_in_words && classifier.is_word(char) {
15616 return true;
15617 }
15618
15619 buffer.completion_triggers().contains(text)
15620 }
15621}
15622
15623impl SemanticsProvider for Entity<Project> {
15624 fn hover(
15625 &self,
15626 buffer: &Entity<Buffer>,
15627 position: text::Anchor,
15628 cx: &mut App,
15629 ) -> Option<Task<Vec<project::Hover>>> {
15630 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
15631 }
15632
15633 fn document_highlights(
15634 &self,
15635 buffer: &Entity<Buffer>,
15636 position: text::Anchor,
15637 cx: &mut App,
15638 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
15639 Some(self.update(cx, |project, cx| {
15640 project.document_highlights(buffer, position, cx)
15641 }))
15642 }
15643
15644 fn definitions(
15645 &self,
15646 buffer: &Entity<Buffer>,
15647 position: text::Anchor,
15648 kind: GotoDefinitionKind,
15649 cx: &mut App,
15650 ) -> Option<Task<Result<Vec<LocationLink>>>> {
15651 Some(self.update(cx, |project, cx| match kind {
15652 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
15653 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
15654 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
15655 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
15656 }))
15657 }
15658
15659 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
15660 // TODO: make this work for remote projects
15661 self.read(cx)
15662 .language_servers_for_local_buffer(buffer.read(cx), cx)
15663 .any(
15664 |(_, server)| match server.capabilities().inlay_hint_provider {
15665 Some(lsp::OneOf::Left(enabled)) => enabled,
15666 Some(lsp::OneOf::Right(_)) => true,
15667 None => false,
15668 },
15669 )
15670 }
15671
15672 fn inlay_hints(
15673 &self,
15674 buffer_handle: Entity<Buffer>,
15675 range: Range<text::Anchor>,
15676 cx: &mut App,
15677 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
15678 Some(self.update(cx, |project, cx| {
15679 project.inlay_hints(buffer_handle, range, cx)
15680 }))
15681 }
15682
15683 fn resolve_inlay_hint(
15684 &self,
15685 hint: InlayHint,
15686 buffer_handle: Entity<Buffer>,
15687 server_id: LanguageServerId,
15688 cx: &mut App,
15689 ) -> Option<Task<anyhow::Result<InlayHint>>> {
15690 Some(self.update(cx, |project, cx| {
15691 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
15692 }))
15693 }
15694
15695 fn range_for_rename(
15696 &self,
15697 buffer: &Entity<Buffer>,
15698 position: text::Anchor,
15699 cx: &mut App,
15700 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
15701 Some(self.update(cx, |project, cx| {
15702 let buffer = buffer.clone();
15703 let task = project.prepare_rename(buffer.clone(), position, cx);
15704 cx.spawn(|_, mut cx| async move {
15705 Ok(match task.await? {
15706 PrepareRenameResponse::Success(range) => Some(range),
15707 PrepareRenameResponse::InvalidPosition => None,
15708 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
15709 // Fallback on using TreeSitter info to determine identifier range
15710 buffer.update(&mut cx, |buffer, _| {
15711 let snapshot = buffer.snapshot();
15712 let (range, kind) = snapshot.surrounding_word(position);
15713 if kind != Some(CharKind::Word) {
15714 return None;
15715 }
15716 Some(
15717 snapshot.anchor_before(range.start)
15718 ..snapshot.anchor_after(range.end),
15719 )
15720 })?
15721 }
15722 })
15723 })
15724 }))
15725 }
15726
15727 fn perform_rename(
15728 &self,
15729 buffer: &Entity<Buffer>,
15730 position: text::Anchor,
15731 new_name: String,
15732 cx: &mut App,
15733 ) -> Option<Task<Result<ProjectTransaction>>> {
15734 Some(self.update(cx, |project, cx| {
15735 project.perform_rename(buffer.clone(), position, new_name, cx)
15736 }))
15737 }
15738}
15739
15740fn inlay_hint_settings(
15741 location: Anchor,
15742 snapshot: &MultiBufferSnapshot,
15743 cx: &mut Context<Editor>,
15744) -> InlayHintSettings {
15745 let file = snapshot.file_at(location);
15746 let language = snapshot.language_at(location).map(|l| l.name());
15747 language_settings(language, file, cx).inlay_hints
15748}
15749
15750fn consume_contiguous_rows(
15751 contiguous_row_selections: &mut Vec<Selection<Point>>,
15752 selection: &Selection<Point>,
15753 display_map: &DisplaySnapshot,
15754 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
15755) -> (MultiBufferRow, MultiBufferRow) {
15756 contiguous_row_selections.push(selection.clone());
15757 let start_row = MultiBufferRow(selection.start.row);
15758 let mut end_row = ending_row(selection, display_map);
15759
15760 while let Some(next_selection) = selections.peek() {
15761 if next_selection.start.row <= end_row.0 {
15762 end_row = ending_row(next_selection, display_map);
15763 contiguous_row_selections.push(selections.next().unwrap().clone());
15764 } else {
15765 break;
15766 }
15767 }
15768 (start_row, end_row)
15769}
15770
15771fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
15772 if next_selection.end.column > 0 || next_selection.is_empty() {
15773 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
15774 } else {
15775 MultiBufferRow(next_selection.end.row)
15776 }
15777}
15778
15779impl EditorSnapshot {
15780 pub fn remote_selections_in_range<'a>(
15781 &'a self,
15782 range: &'a Range<Anchor>,
15783 collaboration_hub: &dyn CollaborationHub,
15784 cx: &'a App,
15785 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15786 let participant_names = collaboration_hub.user_names(cx);
15787 let participant_indices = collaboration_hub.user_participant_indices(cx);
15788 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15789 let collaborators_by_replica_id = collaborators_by_peer_id
15790 .iter()
15791 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15792 .collect::<HashMap<_, _>>();
15793 self.buffer_snapshot
15794 .selections_in_range(range, false)
15795 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15796 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15797 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15798 let user_name = participant_names.get(&collaborator.user_id).cloned();
15799 Some(RemoteSelection {
15800 replica_id,
15801 selection,
15802 cursor_shape,
15803 line_mode,
15804 participant_index,
15805 peer_id: collaborator.peer_id,
15806 user_name,
15807 })
15808 })
15809 }
15810
15811 pub fn hunks_for_ranges(
15812 &self,
15813 ranges: impl Iterator<Item = Range<Point>>,
15814 ) -> Vec<MultiBufferDiffHunk> {
15815 let mut hunks = Vec::new();
15816 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15817 HashMap::default();
15818 for query_range in ranges {
15819 let query_rows =
15820 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15821 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15822 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15823 ) {
15824 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15825 // when the caret is just above or just below the deleted hunk.
15826 let allow_adjacent = hunk.status().is_removed();
15827 let related_to_selection = if allow_adjacent {
15828 hunk.row_range.overlaps(&query_rows)
15829 || hunk.row_range.start == query_rows.end
15830 || hunk.row_range.end == query_rows.start
15831 } else {
15832 hunk.row_range.overlaps(&query_rows)
15833 };
15834 if related_to_selection {
15835 if !processed_buffer_rows
15836 .entry(hunk.buffer_id)
15837 .or_default()
15838 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15839 {
15840 continue;
15841 }
15842 hunks.push(hunk);
15843 }
15844 }
15845 }
15846
15847 hunks
15848 }
15849
15850 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15851 self.display_snapshot.buffer_snapshot.language_at(position)
15852 }
15853
15854 pub fn is_focused(&self) -> bool {
15855 self.is_focused
15856 }
15857
15858 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15859 self.placeholder_text.as_ref()
15860 }
15861
15862 pub fn scroll_position(&self) -> gpui::Point<f32> {
15863 self.scroll_anchor.scroll_position(&self.display_snapshot)
15864 }
15865
15866 fn gutter_dimensions(
15867 &self,
15868 font_id: FontId,
15869 font_size: Pixels,
15870 max_line_number_width: Pixels,
15871 cx: &App,
15872 ) -> Option<GutterDimensions> {
15873 if !self.show_gutter {
15874 return None;
15875 }
15876
15877 let descent = cx.text_system().descent(font_id, font_size);
15878 let em_width = cx.text_system().em_width(font_id, font_size).log_err()?;
15879 let em_advance = cx.text_system().em_advance(font_id, font_size).log_err()?;
15880
15881 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15882 matches!(
15883 ProjectSettings::get_global(cx).git.git_gutter,
15884 Some(GitGutterSetting::TrackedFiles)
15885 )
15886 });
15887 let gutter_settings = EditorSettings::get_global(cx).gutter;
15888 let show_line_numbers = self
15889 .show_line_numbers
15890 .unwrap_or(gutter_settings.line_numbers);
15891 let line_gutter_width = if show_line_numbers {
15892 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15893 let min_width_for_number_on_gutter = em_advance * 4.0;
15894 max_line_number_width.max(min_width_for_number_on_gutter)
15895 } else {
15896 0.0.into()
15897 };
15898
15899 let show_code_actions = self
15900 .show_code_actions
15901 .unwrap_or(gutter_settings.code_actions);
15902
15903 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15904
15905 let git_blame_entries_width =
15906 self.git_blame_gutter_max_author_length
15907 .map(|max_author_length| {
15908 const MAX_RELATIVE_TIMESTAMP: &str = "60 minutes ago";
15909
15910 /// The number of characters to dedicate to gaps and margins.
15911 const SPACING_WIDTH: usize = 4;
15912
15913 let max_char_count = max_author_length
15914 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15915 + ::git::SHORT_SHA_LENGTH
15916 + MAX_RELATIVE_TIMESTAMP.len()
15917 + SPACING_WIDTH;
15918
15919 em_advance * max_char_count
15920 });
15921
15922 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15923 left_padding += if show_code_actions || show_runnables {
15924 em_width * 3.0
15925 } else if show_git_gutter && show_line_numbers {
15926 em_width * 2.0
15927 } else if show_git_gutter || show_line_numbers {
15928 em_width
15929 } else {
15930 px(0.)
15931 };
15932
15933 let right_padding = if gutter_settings.folds && show_line_numbers {
15934 em_width * 4.0
15935 } else if gutter_settings.folds {
15936 em_width * 3.0
15937 } else if show_line_numbers {
15938 em_width
15939 } else {
15940 px(0.)
15941 };
15942
15943 Some(GutterDimensions {
15944 left_padding,
15945 right_padding,
15946 width: line_gutter_width + left_padding + right_padding,
15947 margin: -descent,
15948 git_blame_entries_width,
15949 })
15950 }
15951
15952 pub fn render_crease_toggle(
15953 &self,
15954 buffer_row: MultiBufferRow,
15955 row_contains_cursor: bool,
15956 editor: Entity<Editor>,
15957 window: &mut Window,
15958 cx: &mut App,
15959 ) -> Option<AnyElement> {
15960 let folded = self.is_line_folded(buffer_row);
15961 let mut is_foldable = false;
15962
15963 if let Some(crease) = self
15964 .crease_snapshot
15965 .query_row(buffer_row, &self.buffer_snapshot)
15966 {
15967 is_foldable = true;
15968 match crease {
15969 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15970 if let Some(render_toggle) = render_toggle {
15971 let toggle_callback =
15972 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15973 if folded {
15974 editor.update(cx, |editor, cx| {
15975 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15976 });
15977 } else {
15978 editor.update(cx, |editor, cx| {
15979 editor.unfold_at(
15980 &crate::UnfoldAt { buffer_row },
15981 window,
15982 cx,
15983 )
15984 });
15985 }
15986 });
15987 return Some((render_toggle)(
15988 buffer_row,
15989 folded,
15990 toggle_callback,
15991 window,
15992 cx,
15993 ));
15994 }
15995 }
15996 }
15997 }
15998
15999 is_foldable |= self.starts_indent(buffer_row);
16000
16001 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
16002 Some(
16003 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
16004 .toggle_state(folded)
16005 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
16006 if folded {
16007 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
16008 } else {
16009 this.fold_at(&FoldAt { buffer_row }, window, cx);
16010 }
16011 }))
16012 .into_any_element(),
16013 )
16014 } else {
16015 None
16016 }
16017 }
16018
16019 pub fn render_crease_trailer(
16020 &self,
16021 buffer_row: MultiBufferRow,
16022 window: &mut Window,
16023 cx: &mut App,
16024 ) -> Option<AnyElement> {
16025 let folded = self.is_line_folded(buffer_row);
16026 if let Crease::Inline { render_trailer, .. } = self
16027 .crease_snapshot
16028 .query_row(buffer_row, &self.buffer_snapshot)?
16029 {
16030 let render_trailer = render_trailer.as_ref()?;
16031 Some(render_trailer(buffer_row, folded, window, cx))
16032 } else {
16033 None
16034 }
16035 }
16036}
16037
16038impl Deref for EditorSnapshot {
16039 type Target = DisplaySnapshot;
16040
16041 fn deref(&self) -> &Self::Target {
16042 &self.display_snapshot
16043 }
16044}
16045
16046#[derive(Clone, Debug, PartialEq, Eq)]
16047pub enum EditorEvent {
16048 InputIgnored {
16049 text: Arc<str>,
16050 },
16051 InputHandled {
16052 utf16_range_to_replace: Option<Range<isize>>,
16053 text: Arc<str>,
16054 },
16055 ExcerptsAdded {
16056 buffer: Entity<Buffer>,
16057 predecessor: ExcerptId,
16058 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
16059 },
16060 ExcerptsRemoved {
16061 ids: Vec<ExcerptId>,
16062 },
16063 BufferFoldToggled {
16064 ids: Vec<ExcerptId>,
16065 folded: bool,
16066 },
16067 ExcerptsEdited {
16068 ids: Vec<ExcerptId>,
16069 },
16070 ExcerptsExpanded {
16071 ids: Vec<ExcerptId>,
16072 },
16073 BufferEdited,
16074 Edited {
16075 transaction_id: clock::Lamport,
16076 },
16077 Reparsed(BufferId),
16078 Focused,
16079 FocusedIn,
16080 Blurred,
16081 DirtyChanged,
16082 Saved,
16083 TitleChanged,
16084 DiffBaseChanged,
16085 SelectionsChanged {
16086 local: bool,
16087 },
16088 ScrollPositionChanged {
16089 local: bool,
16090 autoscroll: bool,
16091 },
16092 Closed,
16093 TransactionUndone {
16094 transaction_id: clock::Lamport,
16095 },
16096 TransactionBegun {
16097 transaction_id: clock::Lamport,
16098 },
16099 Reloaded,
16100 CursorShapeChanged,
16101}
16102
16103impl EventEmitter<EditorEvent> for Editor {}
16104
16105impl Focusable for Editor {
16106 fn focus_handle(&self, _cx: &App) -> FocusHandle {
16107 self.focus_handle.clone()
16108 }
16109}
16110
16111impl Render for Editor {
16112 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
16113 let settings = ThemeSettings::get_global(cx);
16114
16115 let mut text_style = match self.mode {
16116 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
16117 color: cx.theme().colors().editor_foreground,
16118 font_family: settings.ui_font.family.clone(),
16119 font_features: settings.ui_font.features.clone(),
16120 font_fallbacks: settings.ui_font.fallbacks.clone(),
16121 font_size: rems(0.875).into(),
16122 font_weight: settings.ui_font.weight,
16123 line_height: relative(settings.buffer_line_height.value()),
16124 ..Default::default()
16125 },
16126 EditorMode::Full => TextStyle {
16127 color: cx.theme().colors().editor_foreground,
16128 font_family: settings.buffer_font.family.clone(),
16129 font_features: settings.buffer_font.features.clone(),
16130 font_fallbacks: settings.buffer_font.fallbacks.clone(),
16131 font_size: settings.buffer_font_size().into(),
16132 font_weight: settings.buffer_font.weight,
16133 line_height: relative(settings.buffer_line_height.value()),
16134 ..Default::default()
16135 },
16136 };
16137 if let Some(text_style_refinement) = &self.text_style_refinement {
16138 text_style.refine(text_style_refinement)
16139 }
16140
16141 let background = match self.mode {
16142 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
16143 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
16144 EditorMode::Full => cx.theme().colors().editor_background,
16145 };
16146
16147 EditorElement::new(
16148 &cx.entity(),
16149 EditorStyle {
16150 background,
16151 local_player: cx.theme().players().local(),
16152 text: text_style,
16153 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
16154 syntax: cx.theme().syntax().clone(),
16155 status: cx.theme().status().clone(),
16156 inlay_hints_style: make_inlay_hints_style(cx),
16157 inline_completion_styles: make_suggestion_styles(cx),
16158 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
16159 },
16160 )
16161 }
16162}
16163
16164impl EntityInputHandler for Editor {
16165 fn text_for_range(
16166 &mut self,
16167 range_utf16: Range<usize>,
16168 adjusted_range: &mut Option<Range<usize>>,
16169 _: &mut Window,
16170 cx: &mut Context<Self>,
16171 ) -> Option<String> {
16172 let snapshot = self.buffer.read(cx).read(cx);
16173 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
16174 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
16175 if (start.0..end.0) != range_utf16 {
16176 adjusted_range.replace(start.0..end.0);
16177 }
16178 Some(snapshot.text_for_range(start..end).collect())
16179 }
16180
16181 fn selected_text_range(
16182 &mut self,
16183 ignore_disabled_input: bool,
16184 _: &mut Window,
16185 cx: &mut Context<Self>,
16186 ) -> Option<UTF16Selection> {
16187 // Prevent the IME menu from appearing when holding down an alphabetic key
16188 // while input is disabled.
16189 if !ignore_disabled_input && !self.input_enabled {
16190 return None;
16191 }
16192
16193 let selection = self.selections.newest::<OffsetUtf16>(cx);
16194 let range = selection.range();
16195
16196 Some(UTF16Selection {
16197 range: range.start.0..range.end.0,
16198 reversed: selection.reversed,
16199 })
16200 }
16201
16202 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
16203 let snapshot = self.buffer.read(cx).read(cx);
16204 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
16205 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
16206 }
16207
16208 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
16209 self.clear_highlights::<InputComposition>(cx);
16210 self.ime_transaction.take();
16211 }
16212
16213 fn replace_text_in_range(
16214 &mut self,
16215 range_utf16: Option<Range<usize>>,
16216 text: &str,
16217 window: &mut Window,
16218 cx: &mut Context<Self>,
16219 ) {
16220 if !self.input_enabled {
16221 cx.emit(EditorEvent::InputIgnored { text: text.into() });
16222 return;
16223 }
16224
16225 self.transact(window, cx, |this, window, cx| {
16226 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
16227 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16228 Some(this.selection_replacement_ranges(range_utf16, cx))
16229 } else {
16230 this.marked_text_ranges(cx)
16231 };
16232
16233 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
16234 let newest_selection_id = this.selections.newest_anchor().id;
16235 this.selections
16236 .all::<OffsetUtf16>(cx)
16237 .iter()
16238 .zip(ranges_to_replace.iter())
16239 .find_map(|(selection, range)| {
16240 if selection.id == newest_selection_id {
16241 Some(
16242 (range.start.0 as isize - selection.head().0 as isize)
16243 ..(range.end.0 as isize - selection.head().0 as isize),
16244 )
16245 } else {
16246 None
16247 }
16248 })
16249 });
16250
16251 cx.emit(EditorEvent::InputHandled {
16252 utf16_range_to_replace: range_to_replace,
16253 text: text.into(),
16254 });
16255
16256 if let Some(new_selected_ranges) = new_selected_ranges {
16257 this.change_selections(None, window, cx, |selections| {
16258 selections.select_ranges(new_selected_ranges)
16259 });
16260 this.backspace(&Default::default(), window, cx);
16261 }
16262
16263 this.handle_input(text, window, cx);
16264 });
16265
16266 if let Some(transaction) = self.ime_transaction {
16267 self.buffer.update(cx, |buffer, cx| {
16268 buffer.group_until_transaction(transaction, cx);
16269 });
16270 }
16271
16272 self.unmark_text(window, cx);
16273 }
16274
16275 fn replace_and_mark_text_in_range(
16276 &mut self,
16277 range_utf16: Option<Range<usize>>,
16278 text: &str,
16279 new_selected_range_utf16: Option<Range<usize>>,
16280 window: &mut Window,
16281 cx: &mut Context<Self>,
16282 ) {
16283 if !self.input_enabled {
16284 return;
16285 }
16286
16287 let transaction = self.transact(window, cx, |this, window, cx| {
16288 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
16289 let snapshot = this.buffer.read(cx).read(cx);
16290 if let Some(relative_range_utf16) = range_utf16.as_ref() {
16291 for marked_range in &mut marked_ranges {
16292 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
16293 marked_range.start.0 += relative_range_utf16.start;
16294 marked_range.start =
16295 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
16296 marked_range.end =
16297 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
16298 }
16299 }
16300 Some(marked_ranges)
16301 } else if let Some(range_utf16) = range_utf16 {
16302 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16303 Some(this.selection_replacement_ranges(range_utf16, cx))
16304 } else {
16305 None
16306 };
16307
16308 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
16309 let newest_selection_id = this.selections.newest_anchor().id;
16310 this.selections
16311 .all::<OffsetUtf16>(cx)
16312 .iter()
16313 .zip(ranges_to_replace.iter())
16314 .find_map(|(selection, range)| {
16315 if selection.id == newest_selection_id {
16316 Some(
16317 (range.start.0 as isize - selection.head().0 as isize)
16318 ..(range.end.0 as isize - selection.head().0 as isize),
16319 )
16320 } else {
16321 None
16322 }
16323 })
16324 });
16325
16326 cx.emit(EditorEvent::InputHandled {
16327 utf16_range_to_replace: range_to_replace,
16328 text: text.into(),
16329 });
16330
16331 if let Some(ranges) = ranges_to_replace {
16332 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
16333 }
16334
16335 let marked_ranges = {
16336 let snapshot = this.buffer.read(cx).read(cx);
16337 this.selections
16338 .disjoint_anchors()
16339 .iter()
16340 .map(|selection| {
16341 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
16342 })
16343 .collect::<Vec<_>>()
16344 };
16345
16346 if text.is_empty() {
16347 this.unmark_text(window, cx);
16348 } else {
16349 this.highlight_text::<InputComposition>(
16350 marked_ranges.clone(),
16351 HighlightStyle {
16352 underline: Some(UnderlineStyle {
16353 thickness: px(1.),
16354 color: None,
16355 wavy: false,
16356 }),
16357 ..Default::default()
16358 },
16359 cx,
16360 );
16361 }
16362
16363 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
16364 let use_autoclose = this.use_autoclose;
16365 let use_auto_surround = this.use_auto_surround;
16366 this.set_use_autoclose(false);
16367 this.set_use_auto_surround(false);
16368 this.handle_input(text, window, cx);
16369 this.set_use_autoclose(use_autoclose);
16370 this.set_use_auto_surround(use_auto_surround);
16371
16372 if let Some(new_selected_range) = new_selected_range_utf16 {
16373 let snapshot = this.buffer.read(cx).read(cx);
16374 let new_selected_ranges = marked_ranges
16375 .into_iter()
16376 .map(|marked_range| {
16377 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
16378 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
16379 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
16380 snapshot.clip_offset_utf16(new_start, Bias::Left)
16381 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
16382 })
16383 .collect::<Vec<_>>();
16384
16385 drop(snapshot);
16386 this.change_selections(None, window, cx, |selections| {
16387 selections.select_ranges(new_selected_ranges)
16388 });
16389 }
16390 });
16391
16392 self.ime_transaction = self.ime_transaction.or(transaction);
16393 if let Some(transaction) = self.ime_transaction {
16394 self.buffer.update(cx, |buffer, cx| {
16395 buffer.group_until_transaction(transaction, cx);
16396 });
16397 }
16398
16399 if self.text_highlights::<InputComposition>(cx).is_none() {
16400 self.ime_transaction.take();
16401 }
16402 }
16403
16404 fn bounds_for_range(
16405 &mut self,
16406 range_utf16: Range<usize>,
16407 element_bounds: gpui::Bounds<Pixels>,
16408 window: &mut Window,
16409 cx: &mut Context<Self>,
16410 ) -> Option<gpui::Bounds<Pixels>> {
16411 let text_layout_details = self.text_layout_details(window);
16412 let gpui::Size {
16413 width: em_width,
16414 height: line_height,
16415 } = self.character_size(window);
16416
16417 let snapshot = self.snapshot(window, cx);
16418 let scroll_position = snapshot.scroll_position();
16419 let scroll_left = scroll_position.x * em_width;
16420
16421 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
16422 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
16423 + self.gutter_dimensions.width
16424 + self.gutter_dimensions.margin;
16425 let y = line_height * (start.row().as_f32() - scroll_position.y);
16426
16427 Some(Bounds {
16428 origin: element_bounds.origin + point(x, y),
16429 size: size(em_width, line_height),
16430 })
16431 }
16432
16433 fn character_index_for_point(
16434 &mut self,
16435 point: gpui::Point<Pixels>,
16436 _window: &mut Window,
16437 _cx: &mut Context<Self>,
16438 ) -> Option<usize> {
16439 let position_map = self.last_position_map.as_ref()?;
16440 if !position_map.text_hitbox.contains(&point) {
16441 return None;
16442 }
16443 let display_point = position_map.point_for_position(point).previous_valid;
16444 let anchor = position_map
16445 .snapshot
16446 .display_point_to_anchor(display_point, Bias::Left);
16447 let utf16_offset = anchor.to_offset_utf16(&position_map.snapshot.buffer_snapshot);
16448 Some(utf16_offset.0)
16449 }
16450}
16451
16452trait SelectionExt {
16453 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
16454 fn spanned_rows(
16455 &self,
16456 include_end_if_at_line_start: bool,
16457 map: &DisplaySnapshot,
16458 ) -> Range<MultiBufferRow>;
16459}
16460
16461impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
16462 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
16463 let start = self
16464 .start
16465 .to_point(&map.buffer_snapshot)
16466 .to_display_point(map);
16467 let end = self
16468 .end
16469 .to_point(&map.buffer_snapshot)
16470 .to_display_point(map);
16471 if self.reversed {
16472 end..start
16473 } else {
16474 start..end
16475 }
16476 }
16477
16478 fn spanned_rows(
16479 &self,
16480 include_end_if_at_line_start: bool,
16481 map: &DisplaySnapshot,
16482 ) -> Range<MultiBufferRow> {
16483 let start = self.start.to_point(&map.buffer_snapshot);
16484 let mut end = self.end.to_point(&map.buffer_snapshot);
16485 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
16486 end.row -= 1;
16487 }
16488
16489 let buffer_start = map.prev_line_boundary(start).0;
16490 let buffer_end = map.next_line_boundary(end).0;
16491 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
16492 }
16493}
16494
16495impl<T: InvalidationRegion> InvalidationStack<T> {
16496 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
16497 where
16498 S: Clone + ToOffset,
16499 {
16500 while let Some(region) = self.last() {
16501 let all_selections_inside_invalidation_ranges =
16502 if selections.len() == region.ranges().len() {
16503 selections
16504 .iter()
16505 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
16506 .all(|(selection, invalidation_range)| {
16507 let head = selection.head().to_offset(buffer);
16508 invalidation_range.start <= head && invalidation_range.end >= head
16509 })
16510 } else {
16511 false
16512 };
16513
16514 if all_selections_inside_invalidation_ranges {
16515 break;
16516 } else {
16517 self.pop();
16518 }
16519 }
16520 }
16521}
16522
16523impl<T> Default for InvalidationStack<T> {
16524 fn default() -> Self {
16525 Self(Default::default())
16526 }
16527}
16528
16529impl<T> Deref for InvalidationStack<T> {
16530 type Target = Vec<T>;
16531
16532 fn deref(&self) -> &Self::Target {
16533 &self.0
16534 }
16535}
16536
16537impl<T> DerefMut for InvalidationStack<T> {
16538 fn deref_mut(&mut self) -> &mut Self::Target {
16539 &mut self.0
16540 }
16541}
16542
16543impl InvalidationRegion for SnippetState {
16544 fn ranges(&self) -> &[Range<Anchor>] {
16545 &self.ranges[self.active_index]
16546 }
16547}
16548
16549pub fn diagnostic_block_renderer(
16550 diagnostic: Diagnostic,
16551 max_message_rows: Option<u8>,
16552 allow_closing: bool,
16553 _is_valid: bool,
16554) -> RenderBlock {
16555 let (text_without_backticks, code_ranges) =
16556 highlight_diagnostic_message(&diagnostic, max_message_rows);
16557
16558 Arc::new(move |cx: &mut BlockContext| {
16559 let group_id: SharedString = cx.block_id.to_string().into();
16560
16561 let mut text_style = cx.window.text_style().clone();
16562 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
16563 let theme_settings = ThemeSettings::get_global(cx);
16564 text_style.font_family = theme_settings.buffer_font.family.clone();
16565 text_style.font_style = theme_settings.buffer_font.style;
16566 text_style.font_features = theme_settings.buffer_font.features.clone();
16567 text_style.font_weight = theme_settings.buffer_font.weight;
16568
16569 let multi_line_diagnostic = diagnostic.message.contains('\n');
16570
16571 let buttons = |diagnostic: &Diagnostic| {
16572 if multi_line_diagnostic {
16573 v_flex()
16574 } else {
16575 h_flex()
16576 }
16577 .when(allow_closing, |div| {
16578 div.children(diagnostic.is_primary.then(|| {
16579 IconButton::new("close-block", IconName::XCircle)
16580 .icon_color(Color::Muted)
16581 .size(ButtonSize::Compact)
16582 .style(ButtonStyle::Transparent)
16583 .visible_on_hover(group_id.clone())
16584 .on_click(move |_click, window, cx| {
16585 window.dispatch_action(Box::new(Cancel), cx)
16586 })
16587 .tooltip(|window, cx| {
16588 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
16589 })
16590 }))
16591 })
16592 .child(
16593 IconButton::new("copy-block", IconName::Copy)
16594 .icon_color(Color::Muted)
16595 .size(ButtonSize::Compact)
16596 .style(ButtonStyle::Transparent)
16597 .visible_on_hover(group_id.clone())
16598 .on_click({
16599 let message = diagnostic.message.clone();
16600 move |_click, _, cx| {
16601 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
16602 }
16603 })
16604 .tooltip(Tooltip::text("Copy diagnostic message")),
16605 )
16606 };
16607
16608 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
16609 AvailableSpace::min_size(),
16610 cx.window,
16611 cx.app,
16612 );
16613
16614 h_flex()
16615 .id(cx.block_id)
16616 .group(group_id.clone())
16617 .relative()
16618 .size_full()
16619 .block_mouse_down()
16620 .pl(cx.gutter_dimensions.width)
16621 .w(cx.max_width - cx.gutter_dimensions.full_width())
16622 .child(
16623 div()
16624 .flex()
16625 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
16626 .flex_shrink(),
16627 )
16628 .child(buttons(&diagnostic))
16629 .child(div().flex().flex_shrink_0().child(
16630 StyledText::new(text_without_backticks.clone()).with_highlights(
16631 &text_style,
16632 code_ranges.iter().map(|range| {
16633 (
16634 range.clone(),
16635 HighlightStyle {
16636 font_weight: Some(FontWeight::BOLD),
16637 ..Default::default()
16638 },
16639 )
16640 }),
16641 ),
16642 ))
16643 .into_any_element()
16644 })
16645}
16646
16647fn inline_completion_edit_text(
16648 current_snapshot: &BufferSnapshot,
16649 edits: &[(Range<Anchor>, String)],
16650 edit_preview: &EditPreview,
16651 include_deletions: bool,
16652 cx: &App,
16653) -> HighlightedText {
16654 let edits = edits
16655 .iter()
16656 .map(|(anchor, text)| {
16657 (
16658 anchor.start.text_anchor..anchor.end.text_anchor,
16659 text.clone(),
16660 )
16661 })
16662 .collect::<Vec<_>>();
16663
16664 edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx)
16665}
16666
16667pub fn highlight_diagnostic_message(
16668 diagnostic: &Diagnostic,
16669 mut max_message_rows: Option<u8>,
16670) -> (SharedString, Vec<Range<usize>>) {
16671 let mut text_without_backticks = String::new();
16672 let mut code_ranges = Vec::new();
16673
16674 if let Some(source) = &diagnostic.source {
16675 text_without_backticks.push_str(source);
16676 code_ranges.push(0..source.len());
16677 text_without_backticks.push_str(": ");
16678 }
16679
16680 let mut prev_offset = 0;
16681 let mut in_code_block = false;
16682 let has_row_limit = max_message_rows.is_some();
16683 let mut newline_indices = diagnostic
16684 .message
16685 .match_indices('\n')
16686 .filter(|_| has_row_limit)
16687 .map(|(ix, _)| ix)
16688 .fuse()
16689 .peekable();
16690
16691 for (quote_ix, _) in diagnostic
16692 .message
16693 .match_indices('`')
16694 .chain([(diagnostic.message.len(), "")])
16695 {
16696 let mut first_newline_ix = None;
16697 let mut last_newline_ix = None;
16698 while let Some(newline_ix) = newline_indices.peek() {
16699 if *newline_ix < quote_ix {
16700 if first_newline_ix.is_none() {
16701 first_newline_ix = Some(*newline_ix);
16702 }
16703 last_newline_ix = Some(*newline_ix);
16704
16705 if let Some(rows_left) = &mut max_message_rows {
16706 if *rows_left == 0 {
16707 break;
16708 } else {
16709 *rows_left -= 1;
16710 }
16711 }
16712 let _ = newline_indices.next();
16713 } else {
16714 break;
16715 }
16716 }
16717 let prev_len = text_without_backticks.len();
16718 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
16719 text_without_backticks.push_str(new_text);
16720 if in_code_block {
16721 code_ranges.push(prev_len..text_without_backticks.len());
16722 }
16723 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
16724 in_code_block = !in_code_block;
16725 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
16726 text_without_backticks.push_str("...");
16727 break;
16728 }
16729 }
16730
16731 (text_without_backticks.into(), code_ranges)
16732}
16733
16734fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
16735 match severity {
16736 DiagnosticSeverity::ERROR => colors.error,
16737 DiagnosticSeverity::WARNING => colors.warning,
16738 DiagnosticSeverity::INFORMATION => colors.info,
16739 DiagnosticSeverity::HINT => colors.info,
16740 _ => colors.ignored,
16741 }
16742}
16743
16744pub fn styled_runs_for_code_label<'a>(
16745 label: &'a CodeLabel,
16746 syntax_theme: &'a theme::SyntaxTheme,
16747) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
16748 let fade_out = HighlightStyle {
16749 fade_out: Some(0.35),
16750 ..Default::default()
16751 };
16752
16753 let mut prev_end = label.filter_range.end;
16754 label
16755 .runs
16756 .iter()
16757 .enumerate()
16758 .flat_map(move |(ix, (range, highlight_id))| {
16759 let style = if let Some(style) = highlight_id.style(syntax_theme) {
16760 style
16761 } else {
16762 return Default::default();
16763 };
16764 let mut muted_style = style;
16765 muted_style.highlight(fade_out);
16766
16767 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
16768 if range.start >= label.filter_range.end {
16769 if range.start > prev_end {
16770 runs.push((prev_end..range.start, fade_out));
16771 }
16772 runs.push((range.clone(), muted_style));
16773 } else if range.end <= label.filter_range.end {
16774 runs.push((range.clone(), style));
16775 } else {
16776 runs.push((range.start..label.filter_range.end, style));
16777 runs.push((label.filter_range.end..range.end, muted_style));
16778 }
16779 prev_end = cmp::max(prev_end, range.end);
16780
16781 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
16782 runs.push((prev_end..label.text.len(), fade_out));
16783 }
16784
16785 runs
16786 })
16787}
16788
16789pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16790 let mut prev_index = 0;
16791 let mut prev_codepoint: Option<char> = None;
16792 text.char_indices()
16793 .chain([(text.len(), '\0')])
16794 .filter_map(move |(index, codepoint)| {
16795 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16796 let is_boundary = index == text.len()
16797 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16798 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16799 if is_boundary {
16800 let chunk = &text[prev_index..index];
16801 prev_index = index;
16802 Some(chunk)
16803 } else {
16804 None
16805 }
16806 })
16807}
16808
16809pub trait RangeToAnchorExt: Sized {
16810 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16811
16812 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16813 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16814 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16815 }
16816}
16817
16818impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16819 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16820 let start_offset = self.start.to_offset(snapshot);
16821 let end_offset = self.end.to_offset(snapshot);
16822 if start_offset == end_offset {
16823 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16824 } else {
16825 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16826 }
16827 }
16828}
16829
16830pub trait RowExt {
16831 fn as_f32(&self) -> f32;
16832
16833 fn next_row(&self) -> Self;
16834
16835 fn previous_row(&self) -> Self;
16836
16837 fn minus(&self, other: Self) -> u32;
16838}
16839
16840impl RowExt for DisplayRow {
16841 fn as_f32(&self) -> f32 {
16842 self.0 as f32
16843 }
16844
16845 fn next_row(&self) -> Self {
16846 Self(self.0 + 1)
16847 }
16848
16849 fn previous_row(&self) -> Self {
16850 Self(self.0.saturating_sub(1))
16851 }
16852
16853 fn minus(&self, other: Self) -> u32 {
16854 self.0 - other.0
16855 }
16856}
16857
16858impl RowExt for MultiBufferRow {
16859 fn as_f32(&self) -> f32 {
16860 self.0 as f32
16861 }
16862
16863 fn next_row(&self) -> Self {
16864 Self(self.0 + 1)
16865 }
16866
16867 fn previous_row(&self) -> Self {
16868 Self(self.0.saturating_sub(1))
16869 }
16870
16871 fn minus(&self, other: Self) -> u32 {
16872 self.0 - other.0
16873 }
16874}
16875
16876trait RowRangeExt {
16877 type Row;
16878
16879 fn len(&self) -> usize;
16880
16881 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16882}
16883
16884impl RowRangeExt for Range<MultiBufferRow> {
16885 type Row = MultiBufferRow;
16886
16887 fn len(&self) -> usize {
16888 (self.end.0 - self.start.0) as usize
16889 }
16890
16891 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16892 (self.start.0..self.end.0).map(MultiBufferRow)
16893 }
16894}
16895
16896impl RowRangeExt for Range<DisplayRow> {
16897 type Row = DisplayRow;
16898
16899 fn len(&self) -> usize {
16900 (self.end.0 - self.start.0) as usize
16901 }
16902
16903 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16904 (self.start.0..self.end.0).map(DisplayRow)
16905 }
16906}
16907
16908/// If select range has more than one line, we
16909/// just point the cursor to range.start.
16910fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16911 if range.start.row == range.end.row {
16912 range
16913 } else {
16914 range.start..range.start
16915 }
16916}
16917pub struct KillRing(ClipboardItem);
16918impl Global for KillRing {}
16919
16920const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16921
16922fn all_edits_insertions_or_deletions(
16923 edits: &Vec<(Range<Anchor>, String)>,
16924 snapshot: &MultiBufferSnapshot,
16925) -> bool {
16926 let mut all_insertions = true;
16927 let mut all_deletions = true;
16928
16929 for (range, new_text) in edits.iter() {
16930 let range_is_empty = range.to_offset(&snapshot).is_empty();
16931 let text_is_empty = new_text.is_empty();
16932
16933 if range_is_empty != text_is_empty {
16934 if range_is_empty {
16935 all_deletions = false;
16936 } else {
16937 all_insertions = false;
16938 }
16939 } else {
16940 return false;
16941 }
16942
16943 if !all_insertions && !all_deletions {
16944 return false;
16945 }
16946 }
16947 all_insertions || all_deletions
16948}