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, 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
507enum InlineCompletionHighlight {}
508
509pub enum MenuInlineCompletionsPolicy {
510 Never,
511 ByProvider,
512}
513
514pub enum EditPredictionPreview {
515 /// Modifier is not pressed
516 Inactive,
517 /// Modifier pressed
518 Active {
519 previous_scroll_position: Option<ScrollAnchor>,
520 },
521}
522
523#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
524struct EditorActionId(usize);
525
526impl EditorActionId {
527 pub fn post_inc(&mut self) -> Self {
528 let answer = self.0;
529
530 *self = Self(answer + 1);
531
532 Self(answer)
533 }
534}
535
536// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
537// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
538
539type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
540type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
541
542#[derive(Default)]
543struct ScrollbarMarkerState {
544 scrollbar_size: Size<Pixels>,
545 dirty: bool,
546 markers: Arc<[PaintQuad]>,
547 pending_refresh: Option<Task<Result<()>>>,
548}
549
550impl ScrollbarMarkerState {
551 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
552 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
553 }
554}
555
556#[derive(Clone, Debug)]
557struct RunnableTasks {
558 templates: Vec<(TaskSourceKind, TaskTemplate)>,
559 offset: MultiBufferOffset,
560 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
561 column: u32,
562 // Values of all named captures, including those starting with '_'
563 extra_variables: HashMap<String, String>,
564 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
565 context_range: Range<BufferOffset>,
566}
567
568impl RunnableTasks {
569 fn resolve<'a>(
570 &'a self,
571 cx: &'a task::TaskContext,
572 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
573 self.templates.iter().filter_map(|(kind, template)| {
574 template
575 .resolve_task(&kind.to_id_base(), cx)
576 .map(|task| (kind.clone(), task))
577 })
578 }
579}
580
581#[derive(Clone)]
582struct ResolvedTasks {
583 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
584 position: Anchor,
585}
586#[derive(Copy, Clone, Debug)]
587struct MultiBufferOffset(usize);
588#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
589struct BufferOffset(usize);
590
591// Addons allow storing per-editor state in other crates (e.g. Vim)
592pub trait Addon: 'static {
593 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
594
595 fn render_buffer_header_controls(
596 &self,
597 _: &ExcerptInfo,
598 _: &Window,
599 _: &App,
600 ) -> Option<AnyElement> {
601 None
602 }
603
604 fn to_any(&self) -> &dyn std::any::Any;
605}
606
607#[derive(Debug, Copy, Clone, PartialEq, Eq)]
608pub enum IsVimMode {
609 Yes,
610 No,
611}
612
613/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
614///
615/// See the [module level documentation](self) for more information.
616pub struct Editor {
617 focus_handle: FocusHandle,
618 last_focused_descendant: Option<WeakFocusHandle>,
619 /// The text buffer being edited
620 buffer: Entity<MultiBuffer>,
621 /// Map of how text in the buffer should be displayed.
622 /// Handles soft wraps, folds, fake inlay text insertions, etc.
623 pub display_map: Entity<DisplayMap>,
624 pub selections: SelectionsCollection,
625 pub scroll_manager: ScrollManager,
626 /// When inline assist editors are linked, they all render cursors because
627 /// typing enters text into each of them, even the ones that aren't focused.
628 pub(crate) show_cursor_when_unfocused: bool,
629 columnar_selection_tail: Option<Anchor>,
630 add_selections_state: Option<AddSelectionsState>,
631 select_next_state: Option<SelectNextState>,
632 select_prev_state: Option<SelectNextState>,
633 selection_history: SelectionHistory,
634 autoclose_regions: Vec<AutocloseRegion>,
635 snippet_stack: InvalidationStack<SnippetState>,
636 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
637 ime_transaction: Option<TransactionId>,
638 active_diagnostics: Option<ActiveDiagnosticGroup>,
639 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
640
641 // TODO: make this a access method
642 pub project: Option<Entity<Project>>,
643 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
644 completion_provider: Option<Box<dyn CompletionProvider>>,
645 collaboration_hub: Option<Box<dyn CollaborationHub>>,
646 blink_manager: Entity<BlinkManager>,
647 show_cursor_names: bool,
648 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
649 pub show_local_selections: bool,
650 mode: EditorMode,
651 show_breadcrumbs: bool,
652 show_gutter: bool,
653 show_scrollbars: bool,
654 show_line_numbers: Option<bool>,
655 use_relative_line_numbers: Option<bool>,
656 show_git_diff_gutter: Option<bool>,
657 show_code_actions: Option<bool>,
658 show_runnables: Option<bool>,
659 show_wrap_guides: Option<bool>,
660 show_indent_guides: Option<bool>,
661 placeholder_text: Option<Arc<str>>,
662 highlight_order: usize,
663 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
664 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
665 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
666 scrollbar_marker_state: ScrollbarMarkerState,
667 active_indent_guides_state: ActiveIndentGuidesState,
668 nav_history: Option<ItemNavHistory>,
669 context_menu: RefCell<Option<CodeContextMenu>>,
670 mouse_context_menu: Option<MouseContextMenu>,
671 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
672 signature_help_state: SignatureHelpState,
673 auto_signature_help: Option<bool>,
674 find_all_references_task_sources: Vec<Anchor>,
675 next_completion_id: CompletionId,
676 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
677 code_actions_task: Option<Task<Result<()>>>,
678 document_highlights_task: Option<Task<()>>,
679 linked_editing_range_task: Option<Task<Option<()>>>,
680 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
681 pending_rename: Option<RenameState>,
682 searchable: bool,
683 cursor_shape: CursorShape,
684 current_line_highlight: Option<CurrentLineHighlight>,
685 collapse_matches: bool,
686 autoindent_mode: Option<AutoindentMode>,
687 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
688 input_enabled: bool,
689 use_modal_editing: bool,
690 read_only: bool,
691 leader_peer_id: Option<PeerId>,
692 remote_id: Option<ViewId>,
693 hover_state: HoverState,
694 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
695 gutter_hovered: bool,
696 hovered_link_state: Option<HoveredLinkState>,
697 edit_prediction_provider: Option<RegisteredInlineCompletionProvider>,
698 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
699 active_inline_completion: Option<InlineCompletionState>,
700 /// Used to prevent flickering as the user types while the menu is open
701 stale_inline_completion_in_menu: Option<InlineCompletionState>,
702 edit_prediction_settings: EditPredictionSettings,
703 inline_completions_hidden_for_vim_mode: bool,
704 show_inline_completions_override: Option<bool>,
705 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
706 edit_prediction_preview: EditPredictionPreview,
707 edit_prediction_cursor_on_leading_whitespace: bool,
708 edit_prediction_requires_modifier_in_leading_space: bool,
709 inlay_hint_cache: InlayHintCache,
710 next_inlay_id: usize,
711 _subscriptions: Vec<Subscription>,
712 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
713 gutter_dimensions: GutterDimensions,
714 style: Option<EditorStyle>,
715 text_style_refinement: Option<TextStyleRefinement>,
716 next_editor_action_id: EditorActionId,
717 editor_actions:
718 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
719 use_autoclose: bool,
720 use_auto_surround: bool,
721 auto_replace_emoji_shortcode: bool,
722 show_git_blame_gutter: bool,
723 show_git_blame_inline: bool,
724 show_git_blame_inline_delay_task: Option<Task<()>>,
725 distinguish_unstaged_diff_hunks: bool,
726 git_blame_inline_enabled: bool,
727 serialize_dirty_buffers: bool,
728 show_selection_menu: Option<bool>,
729 blame: Option<Entity<GitBlame>>,
730 blame_subscription: Option<Subscription>,
731 custom_context_menu: Option<
732 Box<
733 dyn 'static
734 + Fn(
735 &mut Self,
736 DisplayPoint,
737 &mut Window,
738 &mut Context<Self>,
739 ) -> Option<Entity<ui::ContextMenu>>,
740 >,
741 >,
742 last_bounds: Option<Bounds<Pixels>>,
743 last_position_map: Option<Rc<PositionMap>>,
744 expect_bounds_change: Option<Bounds<Pixels>>,
745 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
746 tasks_update_task: Option<Task<()>>,
747 in_project_search: bool,
748 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
749 breadcrumb_header: Option<String>,
750 focused_block: Option<FocusedBlock>,
751 next_scroll_position: NextScrollCursorCenterTopBottom,
752 addons: HashMap<TypeId, Box<dyn Addon>>,
753 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
754 selection_mark_mode: bool,
755 toggle_fold_multiple_buffers: Task<()>,
756 _scroll_cursor_center_top_bottom_task: Task<()>,
757}
758
759#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
760enum NextScrollCursorCenterTopBottom {
761 #[default]
762 Center,
763 Top,
764 Bottom,
765}
766
767impl NextScrollCursorCenterTopBottom {
768 fn next(&self) -> Self {
769 match self {
770 Self::Center => Self::Top,
771 Self::Top => Self::Bottom,
772 Self::Bottom => Self::Center,
773 }
774 }
775}
776
777#[derive(Clone)]
778pub struct EditorSnapshot {
779 pub mode: EditorMode,
780 show_gutter: bool,
781 show_line_numbers: Option<bool>,
782 show_git_diff_gutter: Option<bool>,
783 show_code_actions: Option<bool>,
784 show_runnables: Option<bool>,
785 git_blame_gutter_max_author_length: Option<usize>,
786 pub display_snapshot: DisplaySnapshot,
787 pub placeholder_text: Option<Arc<str>>,
788 is_focused: bool,
789 scroll_anchor: ScrollAnchor,
790 ongoing_scroll: OngoingScroll,
791 current_line_highlight: CurrentLineHighlight,
792 gutter_hovered: bool,
793}
794
795const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
796
797#[derive(Default, Debug, Clone, Copy)]
798pub struct GutterDimensions {
799 pub left_padding: Pixels,
800 pub right_padding: Pixels,
801 pub width: Pixels,
802 pub margin: Pixels,
803 pub git_blame_entries_width: Option<Pixels>,
804}
805
806impl GutterDimensions {
807 /// The full width of the space taken up by the gutter.
808 pub fn full_width(&self) -> Pixels {
809 self.margin + self.width
810 }
811
812 /// The width of the space reserved for the fold indicators,
813 /// use alongside 'justify_end' and `gutter_width` to
814 /// right align content with the line numbers
815 pub fn fold_area_width(&self) -> Pixels {
816 self.margin + self.right_padding
817 }
818}
819
820#[derive(Debug)]
821pub struct RemoteSelection {
822 pub replica_id: ReplicaId,
823 pub selection: Selection<Anchor>,
824 pub cursor_shape: CursorShape,
825 pub peer_id: PeerId,
826 pub line_mode: bool,
827 pub participant_index: Option<ParticipantIndex>,
828 pub user_name: Option<SharedString>,
829}
830
831#[derive(Clone, Debug)]
832struct SelectionHistoryEntry {
833 selections: Arc<[Selection<Anchor>]>,
834 select_next_state: Option<SelectNextState>,
835 select_prev_state: Option<SelectNextState>,
836 add_selections_state: Option<AddSelectionsState>,
837}
838
839enum SelectionHistoryMode {
840 Normal,
841 Undoing,
842 Redoing,
843}
844
845#[derive(Clone, PartialEq, Eq, Hash)]
846struct HoveredCursor {
847 replica_id: u16,
848 selection_id: usize,
849}
850
851impl Default for SelectionHistoryMode {
852 fn default() -> Self {
853 Self::Normal
854 }
855}
856
857#[derive(Default)]
858struct SelectionHistory {
859 #[allow(clippy::type_complexity)]
860 selections_by_transaction:
861 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
862 mode: SelectionHistoryMode,
863 undo_stack: VecDeque<SelectionHistoryEntry>,
864 redo_stack: VecDeque<SelectionHistoryEntry>,
865}
866
867impl SelectionHistory {
868 fn insert_transaction(
869 &mut self,
870 transaction_id: TransactionId,
871 selections: Arc<[Selection<Anchor>]>,
872 ) {
873 self.selections_by_transaction
874 .insert(transaction_id, (selections, None));
875 }
876
877 #[allow(clippy::type_complexity)]
878 fn transaction(
879 &self,
880 transaction_id: TransactionId,
881 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
882 self.selections_by_transaction.get(&transaction_id)
883 }
884
885 #[allow(clippy::type_complexity)]
886 fn transaction_mut(
887 &mut self,
888 transaction_id: TransactionId,
889 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
890 self.selections_by_transaction.get_mut(&transaction_id)
891 }
892
893 fn push(&mut self, entry: SelectionHistoryEntry) {
894 if !entry.selections.is_empty() {
895 match self.mode {
896 SelectionHistoryMode::Normal => {
897 self.push_undo(entry);
898 self.redo_stack.clear();
899 }
900 SelectionHistoryMode::Undoing => self.push_redo(entry),
901 SelectionHistoryMode::Redoing => self.push_undo(entry),
902 }
903 }
904 }
905
906 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
907 if self
908 .undo_stack
909 .back()
910 .map_or(true, |e| e.selections != entry.selections)
911 {
912 self.undo_stack.push_back(entry);
913 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
914 self.undo_stack.pop_front();
915 }
916 }
917 }
918
919 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
920 if self
921 .redo_stack
922 .back()
923 .map_or(true, |e| e.selections != entry.selections)
924 {
925 self.redo_stack.push_back(entry);
926 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
927 self.redo_stack.pop_front();
928 }
929 }
930 }
931}
932
933struct RowHighlight {
934 index: usize,
935 range: Range<Anchor>,
936 color: Hsla,
937 should_autoscroll: bool,
938}
939
940#[derive(Clone, Debug)]
941struct AddSelectionsState {
942 above: bool,
943 stack: Vec<usize>,
944}
945
946#[derive(Clone)]
947struct SelectNextState {
948 query: AhoCorasick,
949 wordwise: bool,
950 done: bool,
951}
952
953impl std::fmt::Debug for SelectNextState {
954 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
955 f.debug_struct(std::any::type_name::<Self>())
956 .field("wordwise", &self.wordwise)
957 .field("done", &self.done)
958 .finish()
959 }
960}
961
962#[derive(Debug)]
963struct AutocloseRegion {
964 selection_id: usize,
965 range: Range<Anchor>,
966 pair: BracketPair,
967}
968
969#[derive(Debug)]
970struct SnippetState {
971 ranges: Vec<Vec<Range<Anchor>>>,
972 active_index: usize,
973 choices: Vec<Option<Vec<String>>>,
974}
975
976#[doc(hidden)]
977pub struct RenameState {
978 pub range: Range<Anchor>,
979 pub old_name: Arc<str>,
980 pub editor: Entity<Editor>,
981 block_id: CustomBlockId,
982}
983
984struct InvalidationStack<T>(Vec<T>);
985
986struct RegisteredInlineCompletionProvider {
987 provider: Arc<dyn InlineCompletionProviderHandle>,
988 _subscription: Subscription,
989}
990
991#[derive(Debug)]
992struct ActiveDiagnosticGroup {
993 primary_range: Range<Anchor>,
994 primary_message: String,
995 group_id: usize,
996 blocks: HashMap<CustomBlockId, Diagnostic>,
997 is_valid: bool,
998}
999
1000#[derive(Serialize, Deserialize, Clone, Debug)]
1001pub struct ClipboardSelection {
1002 pub len: usize,
1003 pub is_entire_line: bool,
1004 pub first_line_indent: u32,
1005}
1006
1007#[derive(Debug)]
1008pub(crate) struct NavigationData {
1009 cursor_anchor: Anchor,
1010 cursor_position: Point,
1011 scroll_anchor: ScrollAnchor,
1012 scroll_top_row: u32,
1013}
1014
1015#[derive(Debug, Clone, Copy, PartialEq, Eq)]
1016pub enum GotoDefinitionKind {
1017 Symbol,
1018 Declaration,
1019 Type,
1020 Implementation,
1021}
1022
1023#[derive(Debug, Clone)]
1024enum InlayHintRefreshReason {
1025 Toggle(bool),
1026 SettingsChange(InlayHintSettings),
1027 NewLinesShown,
1028 BufferEdited(HashSet<Arc<Language>>),
1029 RefreshRequested,
1030 ExcerptsRemoved(Vec<ExcerptId>),
1031}
1032
1033impl InlayHintRefreshReason {
1034 fn description(&self) -> &'static str {
1035 match self {
1036 Self::Toggle(_) => "toggle",
1037 Self::SettingsChange(_) => "settings change",
1038 Self::NewLinesShown => "new lines shown",
1039 Self::BufferEdited(_) => "buffer edited",
1040 Self::RefreshRequested => "refresh requested",
1041 Self::ExcerptsRemoved(_) => "excerpts removed",
1042 }
1043 }
1044}
1045
1046pub enum FormatTarget {
1047 Buffers,
1048 Ranges(Vec<Range<MultiBufferPoint>>),
1049}
1050
1051pub(crate) struct FocusedBlock {
1052 id: BlockId,
1053 focus_handle: WeakFocusHandle,
1054}
1055
1056#[derive(Clone)]
1057enum JumpData {
1058 MultiBufferRow {
1059 row: MultiBufferRow,
1060 line_offset_from_top: u32,
1061 },
1062 MultiBufferPoint {
1063 excerpt_id: ExcerptId,
1064 position: Point,
1065 anchor: text::Anchor,
1066 line_offset_from_top: u32,
1067 },
1068}
1069
1070pub enum MultibufferSelectionMode {
1071 First,
1072 All,
1073}
1074
1075impl Editor {
1076 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1077 let buffer = cx.new(|cx| Buffer::local("", cx));
1078 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1079 Self::new(
1080 EditorMode::SingleLine { auto_width: false },
1081 buffer,
1082 None,
1083 false,
1084 window,
1085 cx,
1086 )
1087 }
1088
1089 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1090 let buffer = cx.new(|cx| Buffer::local("", cx));
1091 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1092 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1093 }
1094
1095 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1096 let buffer = cx.new(|cx| Buffer::local("", cx));
1097 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1098 Self::new(
1099 EditorMode::SingleLine { auto_width: true },
1100 buffer,
1101 None,
1102 false,
1103 window,
1104 cx,
1105 )
1106 }
1107
1108 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1109 let buffer = cx.new(|cx| Buffer::local("", cx));
1110 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1111 Self::new(
1112 EditorMode::AutoHeight { max_lines },
1113 buffer,
1114 None,
1115 false,
1116 window,
1117 cx,
1118 )
1119 }
1120
1121 pub fn for_buffer(
1122 buffer: Entity<Buffer>,
1123 project: Option<Entity<Project>>,
1124 window: &mut Window,
1125 cx: &mut Context<Self>,
1126 ) -> Self {
1127 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1128 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1129 }
1130
1131 pub fn for_multibuffer(
1132 buffer: Entity<MultiBuffer>,
1133 project: Option<Entity<Project>>,
1134 show_excerpt_controls: bool,
1135 window: &mut Window,
1136 cx: &mut Context<Self>,
1137 ) -> Self {
1138 Self::new(
1139 EditorMode::Full,
1140 buffer,
1141 project,
1142 show_excerpt_controls,
1143 window,
1144 cx,
1145 )
1146 }
1147
1148 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1149 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1150 let mut clone = Self::new(
1151 self.mode,
1152 self.buffer.clone(),
1153 self.project.clone(),
1154 show_excerpt_controls,
1155 window,
1156 cx,
1157 );
1158 self.display_map.update(cx, |display_map, cx| {
1159 let snapshot = display_map.snapshot(cx);
1160 clone.display_map.update(cx, |display_map, cx| {
1161 display_map.set_state(&snapshot, cx);
1162 });
1163 });
1164 clone.selections.clone_state(&self.selections);
1165 clone.scroll_manager.clone_state(&self.scroll_manager);
1166 clone.searchable = self.searchable;
1167 clone
1168 }
1169
1170 pub fn new(
1171 mode: EditorMode,
1172 buffer: Entity<MultiBuffer>,
1173 project: Option<Entity<Project>>,
1174 show_excerpt_controls: bool,
1175 window: &mut Window,
1176 cx: &mut Context<Self>,
1177 ) -> Self {
1178 let style = window.text_style();
1179 let font_size = style.font_size.to_pixels(window.rem_size());
1180 let editor = cx.entity().downgrade();
1181 let fold_placeholder = FoldPlaceholder {
1182 constrain_width: true,
1183 render: Arc::new(move |fold_id, fold_range, _, cx| {
1184 let editor = editor.clone();
1185 div()
1186 .id(fold_id)
1187 .bg(cx.theme().colors().ghost_element_background)
1188 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1189 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1190 .rounded_sm()
1191 .size_full()
1192 .cursor_pointer()
1193 .child("⋯")
1194 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1195 .on_click(move |_, _window, cx| {
1196 editor
1197 .update(cx, |editor, cx| {
1198 editor.unfold_ranges(
1199 &[fold_range.start..fold_range.end],
1200 true,
1201 false,
1202 cx,
1203 );
1204 cx.stop_propagation();
1205 })
1206 .ok();
1207 })
1208 .into_any()
1209 }),
1210 merge_adjacent: true,
1211 ..Default::default()
1212 };
1213 let display_map = cx.new(|cx| {
1214 DisplayMap::new(
1215 buffer.clone(),
1216 style.font(),
1217 font_size,
1218 None,
1219 show_excerpt_controls,
1220 FILE_HEADER_HEIGHT,
1221 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1222 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1223 fold_placeholder,
1224 cx,
1225 )
1226 });
1227
1228 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1229
1230 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1231
1232 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1233 .then(|| language_settings::SoftWrap::None);
1234
1235 let mut project_subscriptions = Vec::new();
1236 if mode == EditorMode::Full {
1237 if let Some(project) = project.as_ref() {
1238 if buffer.read(cx).is_singleton() {
1239 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1240 cx.emit(EditorEvent::TitleChanged);
1241 }));
1242 }
1243 project_subscriptions.push(cx.subscribe_in(
1244 project,
1245 window,
1246 |editor, _, event, window, cx| {
1247 if let project::Event::RefreshInlayHints = event {
1248 editor
1249 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1250 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1251 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1252 let focus_handle = editor.focus_handle(cx);
1253 if focus_handle.is_focused(window) {
1254 let snapshot = buffer.read(cx).snapshot();
1255 for (range, snippet) in snippet_edits {
1256 let editor_range =
1257 language::range_from_lsp(*range).to_offset(&snapshot);
1258 editor
1259 .insert_snippet(
1260 &[editor_range],
1261 snippet.clone(),
1262 window,
1263 cx,
1264 )
1265 .ok();
1266 }
1267 }
1268 }
1269 }
1270 },
1271 ));
1272 if let Some(task_inventory) = project
1273 .read(cx)
1274 .task_store()
1275 .read(cx)
1276 .task_inventory()
1277 .cloned()
1278 {
1279 project_subscriptions.push(cx.observe_in(
1280 &task_inventory,
1281 window,
1282 |editor, _, window, cx| {
1283 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1284 },
1285 ));
1286 }
1287 }
1288 }
1289
1290 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1291
1292 let inlay_hint_settings =
1293 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1294 let focus_handle = cx.focus_handle();
1295 cx.on_focus(&focus_handle, window, Self::handle_focus)
1296 .detach();
1297 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1298 .detach();
1299 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1300 .detach();
1301 cx.on_blur(&focus_handle, window, Self::handle_blur)
1302 .detach();
1303
1304 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1305 Some(false)
1306 } else {
1307 None
1308 };
1309
1310 let mut code_action_providers = Vec::new();
1311 if let Some(project) = project.clone() {
1312 get_uncommitted_diff_for_buffer(
1313 &project,
1314 buffer.read(cx).all_buffers(),
1315 buffer.clone(),
1316 cx,
1317 );
1318 code_action_providers.push(Rc::new(project) as Rc<_>);
1319 }
1320
1321 let mut this = Self {
1322 focus_handle,
1323 show_cursor_when_unfocused: false,
1324 last_focused_descendant: None,
1325 buffer: buffer.clone(),
1326 display_map: display_map.clone(),
1327 selections,
1328 scroll_manager: ScrollManager::new(cx),
1329 columnar_selection_tail: None,
1330 add_selections_state: None,
1331 select_next_state: None,
1332 select_prev_state: None,
1333 selection_history: Default::default(),
1334 autoclose_regions: Default::default(),
1335 snippet_stack: Default::default(),
1336 select_larger_syntax_node_stack: Vec::new(),
1337 ime_transaction: Default::default(),
1338 active_diagnostics: None,
1339 soft_wrap_mode_override,
1340 completion_provider: project.clone().map(|project| Box::new(project) as _),
1341 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1342 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1343 project,
1344 blink_manager: blink_manager.clone(),
1345 show_local_selections: true,
1346 show_scrollbars: true,
1347 mode,
1348 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1349 show_gutter: mode == EditorMode::Full,
1350 show_line_numbers: None,
1351 use_relative_line_numbers: None,
1352 show_git_diff_gutter: None,
1353 show_code_actions: None,
1354 show_runnables: None,
1355 show_wrap_guides: None,
1356 show_indent_guides,
1357 placeholder_text: None,
1358 highlight_order: 0,
1359 highlighted_rows: HashMap::default(),
1360 background_highlights: Default::default(),
1361 gutter_highlights: TreeMap::default(),
1362 scrollbar_marker_state: ScrollbarMarkerState::default(),
1363 active_indent_guides_state: ActiveIndentGuidesState::default(),
1364 nav_history: None,
1365 context_menu: RefCell::new(None),
1366 mouse_context_menu: None,
1367 completion_tasks: Default::default(),
1368 signature_help_state: SignatureHelpState::default(),
1369 auto_signature_help: None,
1370 find_all_references_task_sources: Vec::new(),
1371 next_completion_id: 0,
1372 next_inlay_id: 0,
1373 code_action_providers,
1374 available_code_actions: Default::default(),
1375 code_actions_task: Default::default(),
1376 document_highlights_task: Default::default(),
1377 linked_editing_range_task: Default::default(),
1378 pending_rename: Default::default(),
1379 searchable: true,
1380 cursor_shape: EditorSettings::get_global(cx)
1381 .cursor_shape
1382 .unwrap_or_default(),
1383 current_line_highlight: None,
1384 autoindent_mode: Some(AutoindentMode::EachLine),
1385 collapse_matches: false,
1386 workspace: None,
1387 input_enabled: true,
1388 use_modal_editing: mode == EditorMode::Full,
1389 read_only: false,
1390 use_autoclose: true,
1391 use_auto_surround: true,
1392 auto_replace_emoji_shortcode: false,
1393 leader_peer_id: None,
1394 remote_id: None,
1395 hover_state: Default::default(),
1396 pending_mouse_down: None,
1397 hovered_link_state: Default::default(),
1398 edit_prediction_provider: None,
1399 active_inline_completion: None,
1400 stale_inline_completion_in_menu: None,
1401 edit_prediction_preview: EditPredictionPreview::Inactive,
1402 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1403
1404 gutter_hovered: false,
1405 pixel_position_of_newest_cursor: None,
1406 last_bounds: None,
1407 last_position_map: None,
1408 expect_bounds_change: None,
1409 gutter_dimensions: GutterDimensions::default(),
1410 style: None,
1411 show_cursor_names: false,
1412 hovered_cursors: Default::default(),
1413 next_editor_action_id: EditorActionId::default(),
1414 editor_actions: Rc::default(),
1415 inline_completions_hidden_for_vim_mode: false,
1416 show_inline_completions_override: None,
1417 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1418 edit_prediction_settings: EditPredictionSettings::Disabled,
1419 edit_prediction_cursor_on_leading_whitespace: false,
1420 edit_prediction_requires_modifier_in_leading_space: true,
1421 custom_context_menu: None,
1422 show_git_blame_gutter: false,
1423 show_git_blame_inline: false,
1424 distinguish_unstaged_diff_hunks: false,
1425 show_selection_menu: None,
1426 show_git_blame_inline_delay_task: None,
1427 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1428 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1429 .session
1430 .restore_unsaved_buffers,
1431 blame: None,
1432 blame_subscription: None,
1433 tasks: Default::default(),
1434 _subscriptions: vec![
1435 cx.observe(&buffer, Self::on_buffer_changed),
1436 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1437 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1438 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1439 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1440 cx.observe_window_activation(window, |editor, window, cx| {
1441 let active = window.is_window_active();
1442 editor.blink_manager.update(cx, |blink_manager, cx| {
1443 if active {
1444 blink_manager.enable(cx);
1445 } else {
1446 blink_manager.disable(cx);
1447 }
1448 });
1449 }),
1450 ],
1451 tasks_update_task: None,
1452 linked_edit_ranges: Default::default(),
1453 in_project_search: false,
1454 previous_search_ranges: None,
1455 breadcrumb_header: None,
1456 focused_block: None,
1457 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1458 addons: HashMap::default(),
1459 registered_buffers: HashMap::default(),
1460 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1461 selection_mark_mode: false,
1462 toggle_fold_multiple_buffers: Task::ready(()),
1463 text_style_refinement: None,
1464 };
1465 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1466 this._subscriptions.extend(project_subscriptions);
1467
1468 this.end_selection(window, cx);
1469 this.scroll_manager.show_scrollbar(window, cx);
1470
1471 if mode == EditorMode::Full {
1472 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1473 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1474
1475 if this.git_blame_inline_enabled {
1476 this.git_blame_inline_enabled = true;
1477 this.start_git_blame_inline(false, window, cx);
1478 }
1479
1480 if let Some(buffer) = buffer.read(cx).as_singleton() {
1481 if let Some(project) = this.project.as_ref() {
1482 let lsp_store = project.read(cx).lsp_store();
1483 let handle = lsp_store.update(cx, |lsp_store, cx| {
1484 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1485 });
1486 this.registered_buffers
1487 .insert(buffer.read(cx).remote_id(), handle);
1488 }
1489 }
1490 }
1491
1492 this.report_editor_event("Editor Opened", None, cx);
1493 this
1494 }
1495
1496 pub fn mouse_menu_is_focused(&self, window: &Window, cx: &App) -> bool {
1497 self.mouse_context_menu
1498 .as_ref()
1499 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1500 }
1501
1502 fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
1503 self.key_context_internal(self.has_active_inline_completion(), window, cx)
1504 }
1505
1506 fn key_context_internal(
1507 &self,
1508 has_active_edit_prediction: bool,
1509 window: &Window,
1510 cx: &App,
1511 ) -> KeyContext {
1512 let mut key_context = KeyContext::new_with_defaults();
1513 key_context.add("Editor");
1514 let mode = match self.mode {
1515 EditorMode::SingleLine { .. } => "single_line",
1516 EditorMode::AutoHeight { .. } => "auto_height",
1517 EditorMode::Full => "full",
1518 };
1519
1520 if EditorSettings::jupyter_enabled(cx) {
1521 key_context.add("jupyter");
1522 }
1523
1524 key_context.set("mode", mode);
1525 if self.pending_rename.is_some() {
1526 key_context.add("renaming");
1527 }
1528
1529 match self.context_menu.borrow().as_ref() {
1530 Some(CodeContextMenu::Completions(_)) => {
1531 key_context.add("menu");
1532 key_context.add("showing_completions");
1533 }
1534 Some(CodeContextMenu::CodeActions(_)) => {
1535 key_context.add("menu");
1536 key_context.add("showing_code_actions")
1537 }
1538 None => {}
1539 }
1540
1541 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1542 if !self.focus_handle(cx).contains_focused(window, cx)
1543 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1544 {
1545 for addon in self.addons.values() {
1546 addon.extend_key_context(&mut key_context, cx)
1547 }
1548 }
1549
1550 if let Some(extension) = self
1551 .buffer
1552 .read(cx)
1553 .as_singleton()
1554 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1555 {
1556 key_context.set("extension", extension.to_string());
1557 }
1558
1559 if has_active_edit_prediction {
1560 if self.edit_prediction_in_conflict() {
1561 key_context.add(EDIT_PREDICTION_CONFLICT_KEY_CONTEXT);
1562 } else {
1563 key_context.add(EDIT_PREDICTION_KEY_CONTEXT);
1564 key_context.add("copilot_suggestion");
1565 }
1566 }
1567
1568 if self.selection_mark_mode {
1569 key_context.add("selection_mode");
1570 }
1571
1572 key_context
1573 }
1574
1575 pub fn edit_prediction_in_conflict(&self) -> bool {
1576 if !self.show_edit_predictions_in_menu() {
1577 return false;
1578 }
1579
1580 let showing_completions = self
1581 .context_menu
1582 .borrow()
1583 .as_ref()
1584 .map_or(false, |context| {
1585 matches!(context, CodeContextMenu::Completions(_))
1586 });
1587
1588 showing_completions
1589 || self.edit_prediction_requires_modifier()
1590 // Require modifier key when the cursor is on leading whitespace, to allow `tab`
1591 // bindings to insert tab characters.
1592 || (self.edit_prediction_requires_modifier_in_leading_space && self.edit_prediction_cursor_on_leading_whitespace)
1593 }
1594
1595 pub fn accept_edit_prediction_keybind(
1596 &self,
1597 window: &Window,
1598 cx: &App,
1599 ) -> AcceptEditPredictionBinding {
1600 let key_context = self.key_context_internal(true, window, cx);
1601 let in_conflict = self.edit_prediction_in_conflict();
1602
1603 AcceptEditPredictionBinding(
1604 window
1605 .bindings_for_action_in_context(&AcceptEditPrediction, key_context)
1606 .into_iter()
1607 .filter(|binding| {
1608 !in_conflict
1609 || binding
1610 .keystrokes()
1611 .first()
1612 .map_or(false, |keystroke| keystroke.modifiers.modified())
1613 })
1614 .rev()
1615 .min_by_key(|binding| {
1616 binding
1617 .keystrokes()
1618 .first()
1619 .map_or(u8::MAX, |k| k.modifiers.number_of_modifiers())
1620 }),
1621 )
1622 }
1623
1624 pub fn new_file(
1625 workspace: &mut Workspace,
1626 _: &workspace::NewFile,
1627 window: &mut Window,
1628 cx: &mut Context<Workspace>,
1629 ) {
1630 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1631 "Failed to create buffer",
1632 window,
1633 cx,
1634 |e, _, _| match e.error_code() {
1635 ErrorCode::RemoteUpgradeRequired => Some(format!(
1636 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1637 e.error_tag("required").unwrap_or("the latest version")
1638 )),
1639 _ => None,
1640 },
1641 );
1642 }
1643
1644 pub fn new_in_workspace(
1645 workspace: &mut Workspace,
1646 window: &mut Window,
1647 cx: &mut Context<Workspace>,
1648 ) -> Task<Result<Entity<Editor>>> {
1649 let project = workspace.project().clone();
1650 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1651
1652 cx.spawn_in(window, |workspace, mut cx| async move {
1653 let buffer = create.await?;
1654 workspace.update_in(&mut cx, |workspace, window, cx| {
1655 let editor =
1656 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1657 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1658 editor
1659 })
1660 })
1661 }
1662
1663 fn new_file_vertical(
1664 workspace: &mut Workspace,
1665 _: &workspace::NewFileSplitVertical,
1666 window: &mut Window,
1667 cx: &mut Context<Workspace>,
1668 ) {
1669 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1670 }
1671
1672 fn new_file_horizontal(
1673 workspace: &mut Workspace,
1674 _: &workspace::NewFileSplitHorizontal,
1675 window: &mut Window,
1676 cx: &mut Context<Workspace>,
1677 ) {
1678 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1679 }
1680
1681 fn new_file_in_direction(
1682 workspace: &mut Workspace,
1683 direction: SplitDirection,
1684 window: &mut Window,
1685 cx: &mut Context<Workspace>,
1686 ) {
1687 let project = workspace.project().clone();
1688 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1689
1690 cx.spawn_in(window, |workspace, mut cx| async move {
1691 let buffer = create.await?;
1692 workspace.update_in(&mut cx, move |workspace, window, cx| {
1693 workspace.split_item(
1694 direction,
1695 Box::new(
1696 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1697 ),
1698 window,
1699 cx,
1700 )
1701 })?;
1702 anyhow::Ok(())
1703 })
1704 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1705 match e.error_code() {
1706 ErrorCode::RemoteUpgradeRequired => Some(format!(
1707 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1708 e.error_tag("required").unwrap_or("the latest version")
1709 )),
1710 _ => None,
1711 }
1712 });
1713 }
1714
1715 pub fn leader_peer_id(&self) -> Option<PeerId> {
1716 self.leader_peer_id
1717 }
1718
1719 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1720 &self.buffer
1721 }
1722
1723 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1724 self.workspace.as_ref()?.0.upgrade()
1725 }
1726
1727 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1728 self.buffer().read(cx).title(cx)
1729 }
1730
1731 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1732 let git_blame_gutter_max_author_length = self
1733 .render_git_blame_gutter(cx)
1734 .then(|| {
1735 if let Some(blame) = self.blame.as_ref() {
1736 let max_author_length =
1737 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1738 Some(max_author_length)
1739 } else {
1740 None
1741 }
1742 })
1743 .flatten();
1744
1745 EditorSnapshot {
1746 mode: self.mode,
1747 show_gutter: self.show_gutter,
1748 show_line_numbers: self.show_line_numbers,
1749 show_git_diff_gutter: self.show_git_diff_gutter,
1750 show_code_actions: self.show_code_actions,
1751 show_runnables: self.show_runnables,
1752 git_blame_gutter_max_author_length,
1753 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1754 scroll_anchor: self.scroll_manager.anchor(),
1755 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1756 placeholder_text: self.placeholder_text.clone(),
1757 is_focused: self.focus_handle.is_focused(window),
1758 current_line_highlight: self
1759 .current_line_highlight
1760 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1761 gutter_hovered: self.gutter_hovered,
1762 }
1763 }
1764
1765 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1766 self.buffer.read(cx).language_at(point, cx)
1767 }
1768
1769 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1770 self.buffer.read(cx).read(cx).file_at(point).cloned()
1771 }
1772
1773 pub fn active_excerpt(
1774 &self,
1775 cx: &App,
1776 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1777 self.buffer
1778 .read(cx)
1779 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1780 }
1781
1782 pub fn mode(&self) -> EditorMode {
1783 self.mode
1784 }
1785
1786 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1787 self.collaboration_hub.as_deref()
1788 }
1789
1790 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1791 self.collaboration_hub = Some(hub);
1792 }
1793
1794 pub fn set_in_project_search(&mut self, in_project_search: bool) {
1795 self.in_project_search = in_project_search;
1796 }
1797
1798 pub fn set_custom_context_menu(
1799 &mut self,
1800 f: impl 'static
1801 + Fn(
1802 &mut Self,
1803 DisplayPoint,
1804 &mut Window,
1805 &mut Context<Self>,
1806 ) -> Option<Entity<ui::ContextMenu>>,
1807 ) {
1808 self.custom_context_menu = Some(Box::new(f))
1809 }
1810
1811 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1812 self.completion_provider = provider;
1813 }
1814
1815 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1816 self.semantics_provider.clone()
1817 }
1818
1819 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1820 self.semantics_provider = provider;
1821 }
1822
1823 pub fn set_edit_prediction_provider<T>(
1824 &mut self,
1825 provider: Option<Entity<T>>,
1826 window: &mut Window,
1827 cx: &mut Context<Self>,
1828 ) where
1829 T: EditPredictionProvider,
1830 {
1831 self.edit_prediction_provider =
1832 provider.map(|provider| RegisteredInlineCompletionProvider {
1833 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1834 if this.focus_handle.is_focused(window) {
1835 this.update_visible_inline_completion(window, cx);
1836 }
1837 }),
1838 provider: Arc::new(provider),
1839 });
1840 self.refresh_inline_completion(false, false, window, cx);
1841 }
1842
1843 pub fn placeholder_text(&self) -> Option<&str> {
1844 self.placeholder_text.as_deref()
1845 }
1846
1847 pub fn set_placeholder_text(
1848 &mut self,
1849 placeholder_text: impl Into<Arc<str>>,
1850 cx: &mut Context<Self>,
1851 ) {
1852 let placeholder_text = Some(placeholder_text.into());
1853 if self.placeholder_text != placeholder_text {
1854 self.placeholder_text = placeholder_text;
1855 cx.notify();
1856 }
1857 }
1858
1859 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1860 self.cursor_shape = cursor_shape;
1861
1862 // Disrupt blink for immediate user feedback that the cursor shape has changed
1863 self.blink_manager.update(cx, BlinkManager::show_cursor);
1864
1865 cx.notify();
1866 }
1867
1868 pub fn set_current_line_highlight(
1869 &mut self,
1870 current_line_highlight: Option<CurrentLineHighlight>,
1871 ) {
1872 self.current_line_highlight = current_line_highlight;
1873 }
1874
1875 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1876 self.collapse_matches = collapse_matches;
1877 }
1878
1879 fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1880 let buffers = self.buffer.read(cx).all_buffers();
1881 let Some(lsp_store) = self.lsp_store(cx) else {
1882 return;
1883 };
1884 lsp_store.update(cx, |lsp_store, cx| {
1885 for buffer in buffers {
1886 self.registered_buffers
1887 .entry(buffer.read(cx).remote_id())
1888 .or_insert_with(|| {
1889 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1890 });
1891 }
1892 })
1893 }
1894
1895 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1896 if self.collapse_matches {
1897 return range.start..range.start;
1898 }
1899 range.clone()
1900 }
1901
1902 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1903 if self.display_map.read(cx).clip_at_line_ends != clip {
1904 self.display_map
1905 .update(cx, |map, _| map.clip_at_line_ends = clip);
1906 }
1907 }
1908
1909 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1910 self.input_enabled = input_enabled;
1911 }
1912
1913 pub fn set_inline_completions_hidden_for_vim_mode(
1914 &mut self,
1915 hidden: bool,
1916 window: &mut Window,
1917 cx: &mut Context<Self>,
1918 ) {
1919 if hidden != self.inline_completions_hidden_for_vim_mode {
1920 self.inline_completions_hidden_for_vim_mode = hidden;
1921 if hidden {
1922 self.update_visible_inline_completion(window, cx);
1923 } else {
1924 self.refresh_inline_completion(true, false, window, cx);
1925 }
1926 }
1927 }
1928
1929 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1930 self.menu_inline_completions_policy = value;
1931 }
1932
1933 pub fn set_autoindent(&mut self, autoindent: bool) {
1934 if autoindent {
1935 self.autoindent_mode = Some(AutoindentMode::EachLine);
1936 } else {
1937 self.autoindent_mode = None;
1938 }
1939 }
1940
1941 pub fn read_only(&self, cx: &App) -> bool {
1942 self.read_only || self.buffer.read(cx).read_only()
1943 }
1944
1945 pub fn set_read_only(&mut self, read_only: bool) {
1946 self.read_only = read_only;
1947 }
1948
1949 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1950 self.use_autoclose = autoclose;
1951 }
1952
1953 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1954 self.use_auto_surround = auto_surround;
1955 }
1956
1957 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1958 self.auto_replace_emoji_shortcode = auto_replace;
1959 }
1960
1961 pub fn toggle_inline_completions(
1962 &mut self,
1963 _: &ToggleEditPrediction,
1964 window: &mut Window,
1965 cx: &mut Context<Self>,
1966 ) {
1967 if self.show_inline_completions_override.is_some() {
1968 self.set_show_edit_predictions(None, window, cx);
1969 } else {
1970 let show_edit_predictions = !self.edit_predictions_enabled();
1971 self.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
1972 }
1973 }
1974
1975 pub fn set_show_edit_predictions(
1976 &mut self,
1977 show_edit_predictions: Option<bool>,
1978 window: &mut Window,
1979 cx: &mut Context<Self>,
1980 ) {
1981 self.show_inline_completions_override = show_edit_predictions;
1982 self.refresh_inline_completion(false, true, window, cx);
1983 }
1984
1985 fn inline_completions_disabled_in_scope(
1986 &self,
1987 buffer: &Entity<Buffer>,
1988 buffer_position: language::Anchor,
1989 cx: &App,
1990 ) -> bool {
1991 let snapshot = buffer.read(cx).snapshot();
1992 let settings = snapshot.settings_at(buffer_position, cx);
1993
1994 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1995 return false;
1996 };
1997
1998 scope.override_name().map_or(false, |scope_name| {
1999 settings
2000 .edit_predictions_disabled_in
2001 .iter()
2002 .any(|s| s == scope_name)
2003 })
2004 }
2005
2006 pub fn set_use_modal_editing(&mut self, to: bool) {
2007 self.use_modal_editing = to;
2008 }
2009
2010 pub fn use_modal_editing(&self) -> bool {
2011 self.use_modal_editing
2012 }
2013
2014 fn selections_did_change(
2015 &mut self,
2016 local: bool,
2017 old_cursor_position: &Anchor,
2018 show_completions: bool,
2019 window: &mut Window,
2020 cx: &mut Context<Self>,
2021 ) {
2022 window.invalidate_character_coordinates();
2023
2024 // Copy selections to primary selection buffer
2025 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
2026 if local {
2027 let selections = self.selections.all::<usize>(cx);
2028 let buffer_handle = self.buffer.read(cx).read(cx);
2029
2030 let mut text = String::new();
2031 for (index, selection) in selections.iter().enumerate() {
2032 let text_for_selection = buffer_handle
2033 .text_for_range(selection.start..selection.end)
2034 .collect::<String>();
2035
2036 text.push_str(&text_for_selection);
2037 if index != selections.len() - 1 {
2038 text.push('\n');
2039 }
2040 }
2041
2042 if !text.is_empty() {
2043 cx.write_to_primary(ClipboardItem::new_string(text));
2044 }
2045 }
2046
2047 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
2048 self.buffer.update(cx, |buffer, cx| {
2049 buffer.set_active_selections(
2050 &self.selections.disjoint_anchors(),
2051 self.selections.line_mode,
2052 self.cursor_shape,
2053 cx,
2054 )
2055 });
2056 }
2057 let display_map = self
2058 .display_map
2059 .update(cx, |display_map, cx| display_map.snapshot(cx));
2060 let buffer = &display_map.buffer_snapshot;
2061 self.add_selections_state = None;
2062 self.select_next_state = None;
2063 self.select_prev_state = None;
2064 self.select_larger_syntax_node_stack.clear();
2065 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2066 self.snippet_stack
2067 .invalidate(&self.selections.disjoint_anchors(), buffer);
2068 self.take_rename(false, window, cx);
2069
2070 let new_cursor_position = self.selections.newest_anchor().head();
2071
2072 self.push_to_nav_history(
2073 *old_cursor_position,
2074 Some(new_cursor_position.to_point(buffer)),
2075 cx,
2076 );
2077
2078 if local {
2079 let new_cursor_position = self.selections.newest_anchor().head();
2080 let mut context_menu = self.context_menu.borrow_mut();
2081 let completion_menu = match context_menu.as_ref() {
2082 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2083 _ => {
2084 *context_menu = None;
2085 None
2086 }
2087 };
2088 if let Some(buffer_id) = new_cursor_position.buffer_id {
2089 if !self.registered_buffers.contains_key(&buffer_id) {
2090 if let Some(lsp_store) = self.lsp_store(cx) {
2091 lsp_store.update(cx, |lsp_store, cx| {
2092 let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
2093 return;
2094 };
2095 self.registered_buffers.insert(
2096 buffer_id,
2097 lsp_store.register_buffer_with_language_servers(&buffer, cx),
2098 );
2099 })
2100 }
2101 }
2102 }
2103
2104 if let Some(completion_menu) = completion_menu {
2105 let cursor_position = new_cursor_position.to_offset(buffer);
2106 let (word_range, kind) =
2107 buffer.surrounding_word(completion_menu.initial_position, true);
2108 if kind == Some(CharKind::Word)
2109 && word_range.to_inclusive().contains(&cursor_position)
2110 {
2111 let mut completion_menu = completion_menu.clone();
2112 drop(context_menu);
2113
2114 let query = Self::completion_query(buffer, cursor_position);
2115 cx.spawn(move |this, mut cx| async move {
2116 completion_menu
2117 .filter(query.as_deref(), cx.background_executor().clone())
2118 .await;
2119
2120 this.update(&mut cx, |this, cx| {
2121 let mut context_menu = this.context_menu.borrow_mut();
2122 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2123 else {
2124 return;
2125 };
2126
2127 if menu.id > completion_menu.id {
2128 return;
2129 }
2130
2131 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2132 drop(context_menu);
2133 cx.notify();
2134 })
2135 })
2136 .detach();
2137
2138 if show_completions {
2139 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2140 }
2141 } else {
2142 drop(context_menu);
2143 self.hide_context_menu(window, cx);
2144 }
2145 } else {
2146 drop(context_menu);
2147 }
2148
2149 hide_hover(self, cx);
2150
2151 if old_cursor_position.to_display_point(&display_map).row()
2152 != new_cursor_position.to_display_point(&display_map).row()
2153 {
2154 self.available_code_actions.take();
2155 }
2156 self.refresh_code_actions(window, cx);
2157 self.refresh_document_highlights(cx);
2158 refresh_matching_bracket_highlights(self, window, cx);
2159 self.update_visible_inline_completion(window, cx);
2160 self.edit_prediction_requires_modifier_in_leading_space = true;
2161 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2162 if self.git_blame_inline_enabled {
2163 self.start_inline_blame_timer(window, cx);
2164 }
2165 }
2166
2167 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2168 cx.emit(EditorEvent::SelectionsChanged { local });
2169
2170 if self.selections.disjoint_anchors().len() == 1 {
2171 cx.emit(SearchEvent::ActiveMatchChanged)
2172 }
2173 cx.notify();
2174 }
2175
2176 pub fn change_selections<R>(
2177 &mut self,
2178 autoscroll: Option<Autoscroll>,
2179 window: &mut Window,
2180 cx: &mut Context<Self>,
2181 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2182 ) -> R {
2183 self.change_selections_inner(autoscroll, true, window, cx, change)
2184 }
2185
2186 pub fn change_selections_inner<R>(
2187 &mut self,
2188 autoscroll: Option<Autoscroll>,
2189 request_completions: bool,
2190 window: &mut Window,
2191 cx: &mut Context<Self>,
2192 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2193 ) -> R {
2194 let old_cursor_position = self.selections.newest_anchor().head();
2195 self.push_to_selection_history();
2196
2197 let (changed, result) = self.selections.change_with(cx, change);
2198
2199 if changed {
2200 if let Some(autoscroll) = autoscroll {
2201 self.request_autoscroll(autoscroll, cx);
2202 }
2203 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2204
2205 if self.should_open_signature_help_automatically(
2206 &old_cursor_position,
2207 self.signature_help_state.backspace_pressed(),
2208 cx,
2209 ) {
2210 self.show_signature_help(&ShowSignatureHelp, window, cx);
2211 }
2212 self.signature_help_state.set_backspace_pressed(false);
2213 }
2214
2215 result
2216 }
2217
2218 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2219 where
2220 I: IntoIterator<Item = (Range<S>, T)>,
2221 S: ToOffset,
2222 T: Into<Arc<str>>,
2223 {
2224 if self.read_only(cx) {
2225 return;
2226 }
2227
2228 self.buffer
2229 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2230 }
2231
2232 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2233 where
2234 I: IntoIterator<Item = (Range<S>, T)>,
2235 S: ToOffset,
2236 T: Into<Arc<str>>,
2237 {
2238 if self.read_only(cx) {
2239 return;
2240 }
2241
2242 self.buffer.update(cx, |buffer, cx| {
2243 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2244 });
2245 }
2246
2247 pub fn edit_with_block_indent<I, S, T>(
2248 &mut self,
2249 edits: I,
2250 original_indent_columns: Vec<u32>,
2251 cx: &mut Context<Self>,
2252 ) where
2253 I: IntoIterator<Item = (Range<S>, T)>,
2254 S: ToOffset,
2255 T: Into<Arc<str>>,
2256 {
2257 if self.read_only(cx) {
2258 return;
2259 }
2260
2261 self.buffer.update(cx, |buffer, cx| {
2262 buffer.edit(
2263 edits,
2264 Some(AutoindentMode::Block {
2265 original_indent_columns,
2266 }),
2267 cx,
2268 )
2269 });
2270 }
2271
2272 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2273 self.hide_context_menu(window, cx);
2274
2275 match phase {
2276 SelectPhase::Begin {
2277 position,
2278 add,
2279 click_count,
2280 } => self.begin_selection(position, add, click_count, window, cx),
2281 SelectPhase::BeginColumnar {
2282 position,
2283 goal_column,
2284 reset,
2285 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2286 SelectPhase::Extend {
2287 position,
2288 click_count,
2289 } => self.extend_selection(position, click_count, window, cx),
2290 SelectPhase::Update {
2291 position,
2292 goal_column,
2293 scroll_delta,
2294 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2295 SelectPhase::End => self.end_selection(window, cx),
2296 }
2297 }
2298
2299 fn extend_selection(
2300 &mut self,
2301 position: DisplayPoint,
2302 click_count: usize,
2303 window: &mut Window,
2304 cx: &mut Context<Self>,
2305 ) {
2306 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2307 let tail = self.selections.newest::<usize>(cx).tail();
2308 self.begin_selection(position, false, click_count, window, cx);
2309
2310 let position = position.to_offset(&display_map, Bias::Left);
2311 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2312
2313 let mut pending_selection = self
2314 .selections
2315 .pending_anchor()
2316 .expect("extend_selection not called with pending selection");
2317 if position >= tail {
2318 pending_selection.start = tail_anchor;
2319 } else {
2320 pending_selection.end = tail_anchor;
2321 pending_selection.reversed = true;
2322 }
2323
2324 let mut pending_mode = self.selections.pending_mode().unwrap();
2325 match &mut pending_mode {
2326 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2327 _ => {}
2328 }
2329
2330 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2331 s.set_pending(pending_selection, pending_mode)
2332 });
2333 }
2334
2335 fn begin_selection(
2336 &mut self,
2337 position: DisplayPoint,
2338 add: bool,
2339 click_count: usize,
2340 window: &mut Window,
2341 cx: &mut Context<Self>,
2342 ) {
2343 if !self.focus_handle.is_focused(window) {
2344 self.last_focused_descendant = None;
2345 window.focus(&self.focus_handle);
2346 }
2347
2348 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2349 let buffer = &display_map.buffer_snapshot;
2350 let newest_selection = self.selections.newest_anchor().clone();
2351 let position = display_map.clip_point(position, Bias::Left);
2352
2353 let start;
2354 let end;
2355 let mode;
2356 let mut auto_scroll;
2357 match click_count {
2358 1 => {
2359 start = buffer.anchor_before(position.to_point(&display_map));
2360 end = start;
2361 mode = SelectMode::Character;
2362 auto_scroll = true;
2363 }
2364 2 => {
2365 let range = movement::surrounding_word(&display_map, position);
2366 start = buffer.anchor_before(range.start.to_point(&display_map));
2367 end = buffer.anchor_before(range.end.to_point(&display_map));
2368 mode = SelectMode::Word(start..end);
2369 auto_scroll = true;
2370 }
2371 3 => {
2372 let position = display_map
2373 .clip_point(position, Bias::Left)
2374 .to_point(&display_map);
2375 let line_start = display_map.prev_line_boundary(position).0;
2376 let next_line_start = buffer.clip_point(
2377 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2378 Bias::Left,
2379 );
2380 start = buffer.anchor_before(line_start);
2381 end = buffer.anchor_before(next_line_start);
2382 mode = SelectMode::Line(start..end);
2383 auto_scroll = true;
2384 }
2385 _ => {
2386 start = buffer.anchor_before(0);
2387 end = buffer.anchor_before(buffer.len());
2388 mode = SelectMode::All;
2389 auto_scroll = false;
2390 }
2391 }
2392 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2393
2394 let point_to_delete: Option<usize> = {
2395 let selected_points: Vec<Selection<Point>> =
2396 self.selections.disjoint_in_range(start..end, cx);
2397
2398 if !add || click_count > 1 {
2399 None
2400 } else if !selected_points.is_empty() {
2401 Some(selected_points[0].id)
2402 } else {
2403 let clicked_point_already_selected =
2404 self.selections.disjoint.iter().find(|selection| {
2405 selection.start.to_point(buffer) == start.to_point(buffer)
2406 || selection.end.to_point(buffer) == end.to_point(buffer)
2407 });
2408
2409 clicked_point_already_selected.map(|selection| selection.id)
2410 }
2411 };
2412
2413 let selections_count = self.selections.count();
2414
2415 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2416 if let Some(point_to_delete) = point_to_delete {
2417 s.delete(point_to_delete);
2418
2419 if selections_count == 1 {
2420 s.set_pending_anchor_range(start..end, mode);
2421 }
2422 } else {
2423 if !add {
2424 s.clear_disjoint();
2425 } else if click_count > 1 {
2426 s.delete(newest_selection.id)
2427 }
2428
2429 s.set_pending_anchor_range(start..end, mode);
2430 }
2431 });
2432 }
2433
2434 fn begin_columnar_selection(
2435 &mut self,
2436 position: DisplayPoint,
2437 goal_column: u32,
2438 reset: bool,
2439 window: &mut Window,
2440 cx: &mut Context<Self>,
2441 ) {
2442 if !self.focus_handle.is_focused(window) {
2443 self.last_focused_descendant = None;
2444 window.focus(&self.focus_handle);
2445 }
2446
2447 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2448
2449 if reset {
2450 let pointer_position = display_map
2451 .buffer_snapshot
2452 .anchor_before(position.to_point(&display_map));
2453
2454 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2455 s.clear_disjoint();
2456 s.set_pending_anchor_range(
2457 pointer_position..pointer_position,
2458 SelectMode::Character,
2459 );
2460 });
2461 }
2462
2463 let tail = self.selections.newest::<Point>(cx).tail();
2464 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2465
2466 if !reset {
2467 self.select_columns(
2468 tail.to_display_point(&display_map),
2469 position,
2470 goal_column,
2471 &display_map,
2472 window,
2473 cx,
2474 );
2475 }
2476 }
2477
2478 fn update_selection(
2479 &mut self,
2480 position: DisplayPoint,
2481 goal_column: u32,
2482 scroll_delta: gpui::Point<f32>,
2483 window: &mut Window,
2484 cx: &mut Context<Self>,
2485 ) {
2486 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2487
2488 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2489 let tail = tail.to_display_point(&display_map);
2490 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2491 } else if let Some(mut pending) = self.selections.pending_anchor() {
2492 let buffer = self.buffer.read(cx).snapshot(cx);
2493 let head;
2494 let tail;
2495 let mode = self.selections.pending_mode().unwrap();
2496 match &mode {
2497 SelectMode::Character => {
2498 head = position.to_point(&display_map);
2499 tail = pending.tail().to_point(&buffer);
2500 }
2501 SelectMode::Word(original_range) => {
2502 let original_display_range = original_range.start.to_display_point(&display_map)
2503 ..original_range.end.to_display_point(&display_map);
2504 let original_buffer_range = original_display_range.start.to_point(&display_map)
2505 ..original_display_range.end.to_point(&display_map);
2506 if movement::is_inside_word(&display_map, position)
2507 || original_display_range.contains(&position)
2508 {
2509 let word_range = movement::surrounding_word(&display_map, position);
2510 if word_range.start < original_display_range.start {
2511 head = word_range.start.to_point(&display_map);
2512 } else {
2513 head = word_range.end.to_point(&display_map);
2514 }
2515 } else {
2516 head = position.to_point(&display_map);
2517 }
2518
2519 if head <= original_buffer_range.start {
2520 tail = original_buffer_range.end;
2521 } else {
2522 tail = original_buffer_range.start;
2523 }
2524 }
2525 SelectMode::Line(original_range) => {
2526 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2527
2528 let position = display_map
2529 .clip_point(position, Bias::Left)
2530 .to_point(&display_map);
2531 let line_start = display_map.prev_line_boundary(position).0;
2532 let next_line_start = buffer.clip_point(
2533 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2534 Bias::Left,
2535 );
2536
2537 if line_start < original_range.start {
2538 head = line_start
2539 } else {
2540 head = next_line_start
2541 }
2542
2543 if head <= original_range.start {
2544 tail = original_range.end;
2545 } else {
2546 tail = original_range.start;
2547 }
2548 }
2549 SelectMode::All => {
2550 return;
2551 }
2552 };
2553
2554 if head < tail {
2555 pending.start = buffer.anchor_before(head);
2556 pending.end = buffer.anchor_before(tail);
2557 pending.reversed = true;
2558 } else {
2559 pending.start = buffer.anchor_before(tail);
2560 pending.end = buffer.anchor_before(head);
2561 pending.reversed = false;
2562 }
2563
2564 self.change_selections(None, window, cx, |s| {
2565 s.set_pending(pending, mode);
2566 });
2567 } else {
2568 log::error!("update_selection dispatched with no pending selection");
2569 return;
2570 }
2571
2572 self.apply_scroll_delta(scroll_delta, window, cx);
2573 cx.notify();
2574 }
2575
2576 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2577 self.columnar_selection_tail.take();
2578 if self.selections.pending_anchor().is_some() {
2579 let selections = self.selections.all::<usize>(cx);
2580 self.change_selections(None, window, cx, |s| {
2581 s.select(selections);
2582 s.clear_pending();
2583 });
2584 }
2585 }
2586
2587 fn select_columns(
2588 &mut self,
2589 tail: DisplayPoint,
2590 head: DisplayPoint,
2591 goal_column: u32,
2592 display_map: &DisplaySnapshot,
2593 window: &mut Window,
2594 cx: &mut Context<Self>,
2595 ) {
2596 let start_row = cmp::min(tail.row(), head.row());
2597 let end_row = cmp::max(tail.row(), head.row());
2598 let start_column = cmp::min(tail.column(), goal_column);
2599 let end_column = cmp::max(tail.column(), goal_column);
2600 let reversed = start_column < tail.column();
2601
2602 let selection_ranges = (start_row.0..=end_row.0)
2603 .map(DisplayRow)
2604 .filter_map(|row| {
2605 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2606 let start = display_map
2607 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2608 .to_point(display_map);
2609 let end = display_map
2610 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2611 .to_point(display_map);
2612 if reversed {
2613 Some(end..start)
2614 } else {
2615 Some(start..end)
2616 }
2617 } else {
2618 None
2619 }
2620 })
2621 .collect::<Vec<_>>();
2622
2623 self.change_selections(None, window, cx, |s| {
2624 s.select_ranges(selection_ranges);
2625 });
2626 cx.notify();
2627 }
2628
2629 pub fn has_pending_nonempty_selection(&self) -> bool {
2630 let pending_nonempty_selection = match self.selections.pending_anchor() {
2631 Some(Selection { start, end, .. }) => start != end,
2632 None => false,
2633 };
2634
2635 pending_nonempty_selection
2636 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2637 }
2638
2639 pub fn has_pending_selection(&self) -> bool {
2640 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2641 }
2642
2643 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2644 self.selection_mark_mode = false;
2645
2646 if self.clear_expanded_diff_hunks(cx) {
2647 cx.notify();
2648 return;
2649 }
2650 if self.dismiss_menus_and_popups(true, window, cx) {
2651 return;
2652 }
2653
2654 if self.mode == EditorMode::Full
2655 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2656 {
2657 return;
2658 }
2659
2660 cx.propagate();
2661 }
2662
2663 pub fn dismiss_menus_and_popups(
2664 &mut self,
2665 is_user_requested: bool,
2666 window: &mut Window,
2667 cx: &mut Context<Self>,
2668 ) -> bool {
2669 if self.take_rename(false, window, cx).is_some() {
2670 return true;
2671 }
2672
2673 if hide_hover(self, cx) {
2674 return true;
2675 }
2676
2677 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2678 return true;
2679 }
2680
2681 if self.hide_context_menu(window, cx).is_some() {
2682 return true;
2683 }
2684
2685 if self.mouse_context_menu.take().is_some() {
2686 return true;
2687 }
2688
2689 if is_user_requested && self.discard_inline_completion(true, cx) {
2690 return true;
2691 }
2692
2693 if self.snippet_stack.pop().is_some() {
2694 return true;
2695 }
2696
2697 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2698 self.dismiss_diagnostics(cx);
2699 return true;
2700 }
2701
2702 false
2703 }
2704
2705 fn linked_editing_ranges_for(
2706 &self,
2707 selection: Range<text::Anchor>,
2708 cx: &App,
2709 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2710 if self.linked_edit_ranges.is_empty() {
2711 return None;
2712 }
2713 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2714 selection.end.buffer_id.and_then(|end_buffer_id| {
2715 if selection.start.buffer_id != Some(end_buffer_id) {
2716 return None;
2717 }
2718 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2719 let snapshot = buffer.read(cx).snapshot();
2720 self.linked_edit_ranges
2721 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2722 .map(|ranges| (ranges, snapshot, buffer))
2723 })?;
2724 use text::ToOffset as TO;
2725 // find offset from the start of current range to current cursor position
2726 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2727
2728 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2729 let start_difference = start_offset - start_byte_offset;
2730 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2731 let end_difference = end_offset - start_byte_offset;
2732 // Current range has associated linked ranges.
2733 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2734 for range in linked_ranges.iter() {
2735 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2736 let end_offset = start_offset + end_difference;
2737 let start_offset = start_offset + start_difference;
2738 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2739 continue;
2740 }
2741 if self.selections.disjoint_anchor_ranges().any(|s| {
2742 if s.start.buffer_id != selection.start.buffer_id
2743 || s.end.buffer_id != selection.end.buffer_id
2744 {
2745 return false;
2746 }
2747 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2748 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2749 }) {
2750 continue;
2751 }
2752 let start = buffer_snapshot.anchor_after(start_offset);
2753 let end = buffer_snapshot.anchor_after(end_offset);
2754 linked_edits
2755 .entry(buffer.clone())
2756 .or_default()
2757 .push(start..end);
2758 }
2759 Some(linked_edits)
2760 }
2761
2762 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2763 let text: Arc<str> = text.into();
2764
2765 if self.read_only(cx) {
2766 return;
2767 }
2768
2769 let selections = self.selections.all_adjusted(cx);
2770 let mut bracket_inserted = false;
2771 let mut edits = Vec::new();
2772 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2773 let mut new_selections = Vec::with_capacity(selections.len());
2774 let mut new_autoclose_regions = Vec::new();
2775 let snapshot = self.buffer.read(cx).read(cx);
2776
2777 for (selection, autoclose_region) in
2778 self.selections_with_autoclose_regions(selections, &snapshot)
2779 {
2780 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2781 // Determine if the inserted text matches the opening or closing
2782 // bracket of any of this language's bracket pairs.
2783 let mut bracket_pair = None;
2784 let mut is_bracket_pair_start = false;
2785 let mut is_bracket_pair_end = false;
2786 if !text.is_empty() {
2787 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2788 // and they are removing the character that triggered IME popup.
2789 for (pair, enabled) in scope.brackets() {
2790 if !pair.close && !pair.surround {
2791 continue;
2792 }
2793
2794 if enabled && pair.start.ends_with(text.as_ref()) {
2795 let prefix_len = pair.start.len() - text.len();
2796 let preceding_text_matches_prefix = prefix_len == 0
2797 || (selection.start.column >= (prefix_len as u32)
2798 && snapshot.contains_str_at(
2799 Point::new(
2800 selection.start.row,
2801 selection.start.column - (prefix_len as u32),
2802 ),
2803 &pair.start[..prefix_len],
2804 ));
2805 if preceding_text_matches_prefix {
2806 bracket_pair = Some(pair.clone());
2807 is_bracket_pair_start = true;
2808 break;
2809 }
2810 }
2811 if pair.end.as_str() == text.as_ref() {
2812 bracket_pair = Some(pair.clone());
2813 is_bracket_pair_end = true;
2814 break;
2815 }
2816 }
2817 }
2818
2819 if let Some(bracket_pair) = bracket_pair {
2820 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2821 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2822 let auto_surround =
2823 self.use_auto_surround && snapshot_settings.use_auto_surround;
2824 if selection.is_empty() {
2825 if is_bracket_pair_start {
2826 // If the inserted text is a suffix of an opening bracket and the
2827 // selection is preceded by the rest of the opening bracket, then
2828 // insert the closing bracket.
2829 let following_text_allows_autoclose = snapshot
2830 .chars_at(selection.start)
2831 .next()
2832 .map_or(true, |c| scope.should_autoclose_before(c));
2833
2834 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2835 && bracket_pair.start.len() == 1
2836 {
2837 let target = bracket_pair.start.chars().next().unwrap();
2838 let current_line_count = snapshot
2839 .reversed_chars_at(selection.start)
2840 .take_while(|&c| c != '\n')
2841 .filter(|&c| c == target)
2842 .count();
2843 current_line_count % 2 == 1
2844 } else {
2845 false
2846 };
2847
2848 if autoclose
2849 && bracket_pair.close
2850 && following_text_allows_autoclose
2851 && !is_closing_quote
2852 {
2853 let anchor = snapshot.anchor_before(selection.end);
2854 new_selections.push((selection.map(|_| anchor), text.len()));
2855 new_autoclose_regions.push((
2856 anchor,
2857 text.len(),
2858 selection.id,
2859 bracket_pair.clone(),
2860 ));
2861 edits.push((
2862 selection.range(),
2863 format!("{}{}", text, bracket_pair.end).into(),
2864 ));
2865 bracket_inserted = true;
2866 continue;
2867 }
2868 }
2869
2870 if let Some(region) = autoclose_region {
2871 // If the selection is followed by an auto-inserted closing bracket,
2872 // then don't insert that closing bracket again; just move the selection
2873 // past the closing bracket.
2874 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2875 && text.as_ref() == region.pair.end.as_str();
2876 if should_skip {
2877 let anchor = snapshot.anchor_after(selection.end);
2878 new_selections
2879 .push((selection.map(|_| anchor), region.pair.end.len()));
2880 continue;
2881 }
2882 }
2883
2884 let always_treat_brackets_as_autoclosed = snapshot
2885 .settings_at(selection.start, cx)
2886 .always_treat_brackets_as_autoclosed;
2887 if always_treat_brackets_as_autoclosed
2888 && is_bracket_pair_end
2889 && snapshot.contains_str_at(selection.end, text.as_ref())
2890 {
2891 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2892 // and the inserted text is a closing bracket and the selection is followed
2893 // by the closing bracket then move the selection past the closing bracket.
2894 let anchor = snapshot.anchor_after(selection.end);
2895 new_selections.push((selection.map(|_| anchor), text.len()));
2896 continue;
2897 }
2898 }
2899 // If an opening bracket is 1 character long and is typed while
2900 // text is selected, then surround that text with the bracket pair.
2901 else if auto_surround
2902 && bracket_pair.surround
2903 && is_bracket_pair_start
2904 && bracket_pair.start.chars().count() == 1
2905 {
2906 edits.push((selection.start..selection.start, text.clone()));
2907 edits.push((
2908 selection.end..selection.end,
2909 bracket_pair.end.as_str().into(),
2910 ));
2911 bracket_inserted = true;
2912 new_selections.push((
2913 Selection {
2914 id: selection.id,
2915 start: snapshot.anchor_after(selection.start),
2916 end: snapshot.anchor_before(selection.end),
2917 reversed: selection.reversed,
2918 goal: selection.goal,
2919 },
2920 0,
2921 ));
2922 continue;
2923 }
2924 }
2925 }
2926
2927 if self.auto_replace_emoji_shortcode
2928 && selection.is_empty()
2929 && text.as_ref().ends_with(':')
2930 {
2931 if let Some(possible_emoji_short_code) =
2932 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2933 {
2934 if !possible_emoji_short_code.is_empty() {
2935 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2936 let emoji_shortcode_start = Point::new(
2937 selection.start.row,
2938 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2939 );
2940
2941 // Remove shortcode from buffer
2942 edits.push((
2943 emoji_shortcode_start..selection.start,
2944 "".to_string().into(),
2945 ));
2946 new_selections.push((
2947 Selection {
2948 id: selection.id,
2949 start: snapshot.anchor_after(emoji_shortcode_start),
2950 end: snapshot.anchor_before(selection.start),
2951 reversed: selection.reversed,
2952 goal: selection.goal,
2953 },
2954 0,
2955 ));
2956
2957 // Insert emoji
2958 let selection_start_anchor = snapshot.anchor_after(selection.start);
2959 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2960 edits.push((selection.start..selection.end, emoji.to_string().into()));
2961
2962 continue;
2963 }
2964 }
2965 }
2966 }
2967
2968 // If not handling any auto-close operation, then just replace the selected
2969 // text with the given input and move the selection to the end of the
2970 // newly inserted text.
2971 let anchor = snapshot.anchor_after(selection.end);
2972 if !self.linked_edit_ranges.is_empty() {
2973 let start_anchor = snapshot.anchor_before(selection.start);
2974
2975 let is_word_char = text.chars().next().map_or(true, |char| {
2976 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2977 classifier.is_word(char)
2978 });
2979
2980 if is_word_char {
2981 if let Some(ranges) = self
2982 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2983 {
2984 for (buffer, edits) in ranges {
2985 linked_edits
2986 .entry(buffer.clone())
2987 .or_default()
2988 .extend(edits.into_iter().map(|range| (range, text.clone())));
2989 }
2990 }
2991 }
2992 }
2993
2994 new_selections.push((selection.map(|_| anchor), 0));
2995 edits.push((selection.start..selection.end, text.clone()));
2996 }
2997
2998 drop(snapshot);
2999
3000 self.transact(window, cx, |this, window, cx| {
3001 this.buffer.update(cx, |buffer, cx| {
3002 buffer.edit(edits, this.autoindent_mode.clone(), cx);
3003 });
3004 for (buffer, edits) in linked_edits {
3005 buffer.update(cx, |buffer, cx| {
3006 let snapshot = buffer.snapshot();
3007 let edits = edits
3008 .into_iter()
3009 .map(|(range, text)| {
3010 use text::ToPoint as TP;
3011 let end_point = TP::to_point(&range.end, &snapshot);
3012 let start_point = TP::to_point(&range.start, &snapshot);
3013 (start_point..end_point, text)
3014 })
3015 .sorted_by_key(|(range, _)| range.start)
3016 .collect::<Vec<_>>();
3017 buffer.edit(edits, None, cx);
3018 })
3019 }
3020 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
3021 let new_selection_deltas = new_selections.iter().map(|e| e.1);
3022 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
3023 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
3024 .zip(new_selection_deltas)
3025 .map(|(selection, delta)| Selection {
3026 id: selection.id,
3027 start: selection.start + delta,
3028 end: selection.end + delta,
3029 reversed: selection.reversed,
3030 goal: SelectionGoal::None,
3031 })
3032 .collect::<Vec<_>>();
3033
3034 let mut i = 0;
3035 for (position, delta, selection_id, pair) in new_autoclose_regions {
3036 let position = position.to_offset(&map.buffer_snapshot) + delta;
3037 let start = map.buffer_snapshot.anchor_before(position);
3038 let end = map.buffer_snapshot.anchor_after(position);
3039 while let Some(existing_state) = this.autoclose_regions.get(i) {
3040 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
3041 Ordering::Less => i += 1,
3042 Ordering::Greater => break,
3043 Ordering::Equal => {
3044 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
3045 Ordering::Less => i += 1,
3046 Ordering::Equal => break,
3047 Ordering::Greater => break,
3048 }
3049 }
3050 }
3051 }
3052 this.autoclose_regions.insert(
3053 i,
3054 AutocloseRegion {
3055 selection_id,
3056 range: start..end,
3057 pair,
3058 },
3059 );
3060 }
3061
3062 let had_active_inline_completion = this.has_active_inline_completion();
3063 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
3064 s.select(new_selections)
3065 });
3066
3067 if !bracket_inserted {
3068 if let Some(on_type_format_task) =
3069 this.trigger_on_type_formatting(text.to_string(), window, cx)
3070 {
3071 on_type_format_task.detach_and_log_err(cx);
3072 }
3073 }
3074
3075 let editor_settings = EditorSettings::get_global(cx);
3076 if bracket_inserted
3077 && (editor_settings.auto_signature_help
3078 || editor_settings.show_signature_help_after_edits)
3079 {
3080 this.show_signature_help(&ShowSignatureHelp, window, cx);
3081 }
3082
3083 let trigger_in_words =
3084 this.show_edit_predictions_in_menu() || !had_active_inline_completion;
3085 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3086 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3087 this.refresh_inline_completion(true, false, window, cx);
3088 });
3089 }
3090
3091 fn find_possible_emoji_shortcode_at_position(
3092 snapshot: &MultiBufferSnapshot,
3093 position: Point,
3094 ) -> Option<String> {
3095 let mut chars = Vec::new();
3096 let mut found_colon = false;
3097 for char in snapshot.reversed_chars_at(position).take(100) {
3098 // Found a possible emoji shortcode in the middle of the buffer
3099 if found_colon {
3100 if char.is_whitespace() {
3101 chars.reverse();
3102 return Some(chars.iter().collect());
3103 }
3104 // If the previous character is not a whitespace, we are in the middle of a word
3105 // and we only want to complete the shortcode if the word is made up of other emojis
3106 let mut containing_word = String::new();
3107 for ch in snapshot
3108 .reversed_chars_at(position)
3109 .skip(chars.len() + 1)
3110 .take(100)
3111 {
3112 if ch.is_whitespace() {
3113 break;
3114 }
3115 containing_word.push(ch);
3116 }
3117 let containing_word = containing_word.chars().rev().collect::<String>();
3118 if util::word_consists_of_emojis(containing_word.as_str()) {
3119 chars.reverse();
3120 return Some(chars.iter().collect());
3121 }
3122 }
3123
3124 if char.is_whitespace() || !char.is_ascii() {
3125 return None;
3126 }
3127 if char == ':' {
3128 found_colon = true;
3129 } else {
3130 chars.push(char);
3131 }
3132 }
3133 // Found a possible emoji shortcode at the beginning of the buffer
3134 chars.reverse();
3135 Some(chars.iter().collect())
3136 }
3137
3138 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3139 self.transact(window, cx, |this, window, cx| {
3140 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3141 let selections = this.selections.all::<usize>(cx);
3142 let multi_buffer = this.buffer.read(cx);
3143 let buffer = multi_buffer.snapshot(cx);
3144 selections
3145 .iter()
3146 .map(|selection| {
3147 let start_point = selection.start.to_point(&buffer);
3148 let mut indent =
3149 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3150 indent.len = cmp::min(indent.len, start_point.column);
3151 let start = selection.start;
3152 let end = selection.end;
3153 let selection_is_empty = start == end;
3154 let language_scope = buffer.language_scope_at(start);
3155 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3156 &language_scope
3157 {
3158 let leading_whitespace_len = buffer
3159 .reversed_chars_at(start)
3160 .take_while(|c| c.is_whitespace() && *c != '\n')
3161 .map(|c| c.len_utf8())
3162 .sum::<usize>();
3163
3164 let trailing_whitespace_len = buffer
3165 .chars_at(end)
3166 .take_while(|c| c.is_whitespace() && *c != '\n')
3167 .map(|c| c.len_utf8())
3168 .sum::<usize>();
3169
3170 let insert_extra_newline =
3171 language.brackets().any(|(pair, enabled)| {
3172 let pair_start = pair.start.trim_end();
3173 let pair_end = pair.end.trim_start();
3174
3175 enabled
3176 && pair.newline
3177 && buffer.contains_str_at(
3178 end + trailing_whitespace_len,
3179 pair_end,
3180 )
3181 && buffer.contains_str_at(
3182 (start - leading_whitespace_len)
3183 .saturating_sub(pair_start.len()),
3184 pair_start,
3185 )
3186 });
3187
3188 // Comment extension on newline is allowed only for cursor selections
3189 let comment_delimiter = maybe!({
3190 if !selection_is_empty {
3191 return None;
3192 }
3193
3194 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3195 return None;
3196 }
3197
3198 let delimiters = language.line_comment_prefixes();
3199 let max_len_of_delimiter =
3200 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3201 let (snapshot, range) =
3202 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3203
3204 let mut index_of_first_non_whitespace = 0;
3205 let comment_candidate = snapshot
3206 .chars_for_range(range)
3207 .skip_while(|c| {
3208 let should_skip = c.is_whitespace();
3209 if should_skip {
3210 index_of_first_non_whitespace += 1;
3211 }
3212 should_skip
3213 })
3214 .take(max_len_of_delimiter)
3215 .collect::<String>();
3216 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3217 comment_candidate.starts_with(comment_prefix.as_ref())
3218 })?;
3219 let cursor_is_placed_after_comment_marker =
3220 index_of_first_non_whitespace + comment_prefix.len()
3221 <= start_point.column as usize;
3222 if cursor_is_placed_after_comment_marker {
3223 Some(comment_prefix.clone())
3224 } else {
3225 None
3226 }
3227 });
3228 (comment_delimiter, insert_extra_newline)
3229 } else {
3230 (None, false)
3231 };
3232
3233 let capacity_for_delimiter = comment_delimiter
3234 .as_deref()
3235 .map(str::len)
3236 .unwrap_or_default();
3237 let mut new_text =
3238 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3239 new_text.push('\n');
3240 new_text.extend(indent.chars());
3241 if let Some(delimiter) = &comment_delimiter {
3242 new_text.push_str(delimiter);
3243 }
3244 if insert_extra_newline {
3245 new_text = new_text.repeat(2);
3246 }
3247
3248 let anchor = buffer.anchor_after(end);
3249 let new_selection = selection.map(|_| anchor);
3250 (
3251 (start..end, new_text),
3252 (insert_extra_newline, new_selection),
3253 )
3254 })
3255 .unzip()
3256 };
3257
3258 this.edit_with_autoindent(edits, cx);
3259 let buffer = this.buffer.read(cx).snapshot(cx);
3260 let new_selections = selection_fixup_info
3261 .into_iter()
3262 .map(|(extra_newline_inserted, new_selection)| {
3263 let mut cursor = new_selection.end.to_point(&buffer);
3264 if extra_newline_inserted {
3265 cursor.row -= 1;
3266 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3267 }
3268 new_selection.map(|_| cursor)
3269 })
3270 .collect();
3271
3272 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3273 s.select(new_selections)
3274 });
3275 this.refresh_inline_completion(true, false, window, cx);
3276 });
3277 }
3278
3279 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3280 let buffer = self.buffer.read(cx);
3281 let snapshot = buffer.snapshot(cx);
3282
3283 let mut edits = Vec::new();
3284 let mut rows = Vec::new();
3285
3286 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3287 let cursor = selection.head();
3288 let row = cursor.row;
3289
3290 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3291
3292 let newline = "\n".to_string();
3293 edits.push((start_of_line..start_of_line, newline));
3294
3295 rows.push(row + rows_inserted as u32);
3296 }
3297
3298 self.transact(window, cx, |editor, window, cx| {
3299 editor.edit(edits, cx);
3300
3301 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3302 let mut index = 0;
3303 s.move_cursors_with(|map, _, _| {
3304 let row = rows[index];
3305 index += 1;
3306
3307 let point = Point::new(row, 0);
3308 let boundary = map.next_line_boundary(point).1;
3309 let clipped = map.clip_point(boundary, Bias::Left);
3310
3311 (clipped, SelectionGoal::None)
3312 });
3313 });
3314
3315 let mut indent_edits = Vec::new();
3316 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3317 for row in rows {
3318 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3319 for (row, indent) in indents {
3320 if indent.len == 0 {
3321 continue;
3322 }
3323
3324 let text = match indent.kind {
3325 IndentKind::Space => " ".repeat(indent.len as usize),
3326 IndentKind::Tab => "\t".repeat(indent.len as usize),
3327 };
3328 let point = Point::new(row.0, 0);
3329 indent_edits.push((point..point, text));
3330 }
3331 }
3332 editor.edit(indent_edits, cx);
3333 });
3334 }
3335
3336 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3337 let buffer = self.buffer.read(cx);
3338 let snapshot = buffer.snapshot(cx);
3339
3340 let mut edits = Vec::new();
3341 let mut rows = Vec::new();
3342 let mut rows_inserted = 0;
3343
3344 for selection in self.selections.all_adjusted(cx) {
3345 let cursor = selection.head();
3346 let row = cursor.row;
3347
3348 let point = Point::new(row + 1, 0);
3349 let start_of_line = snapshot.clip_point(point, Bias::Left);
3350
3351 let newline = "\n".to_string();
3352 edits.push((start_of_line..start_of_line, newline));
3353
3354 rows_inserted += 1;
3355 rows.push(row + rows_inserted);
3356 }
3357
3358 self.transact(window, cx, |editor, window, cx| {
3359 editor.edit(edits, cx);
3360
3361 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3362 let mut index = 0;
3363 s.move_cursors_with(|map, _, _| {
3364 let row = rows[index];
3365 index += 1;
3366
3367 let point = Point::new(row, 0);
3368 let boundary = map.next_line_boundary(point).1;
3369 let clipped = map.clip_point(boundary, Bias::Left);
3370
3371 (clipped, SelectionGoal::None)
3372 });
3373 });
3374
3375 let mut indent_edits = Vec::new();
3376 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3377 for row in rows {
3378 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3379 for (row, indent) in indents {
3380 if indent.len == 0 {
3381 continue;
3382 }
3383
3384 let text = match indent.kind {
3385 IndentKind::Space => " ".repeat(indent.len as usize),
3386 IndentKind::Tab => "\t".repeat(indent.len as usize),
3387 };
3388 let point = Point::new(row.0, 0);
3389 indent_edits.push((point..point, text));
3390 }
3391 }
3392 editor.edit(indent_edits, cx);
3393 });
3394 }
3395
3396 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3397 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3398 original_indent_columns: Vec::new(),
3399 });
3400 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3401 }
3402
3403 fn insert_with_autoindent_mode(
3404 &mut self,
3405 text: &str,
3406 autoindent_mode: Option<AutoindentMode>,
3407 window: &mut Window,
3408 cx: &mut Context<Self>,
3409 ) {
3410 if self.read_only(cx) {
3411 return;
3412 }
3413
3414 let text: Arc<str> = text.into();
3415 self.transact(window, cx, |this, window, cx| {
3416 let old_selections = this.selections.all_adjusted(cx);
3417 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3418 let anchors = {
3419 let snapshot = buffer.read(cx);
3420 old_selections
3421 .iter()
3422 .map(|s| {
3423 let anchor = snapshot.anchor_after(s.head());
3424 s.map(|_| anchor)
3425 })
3426 .collect::<Vec<_>>()
3427 };
3428 buffer.edit(
3429 old_selections
3430 .iter()
3431 .map(|s| (s.start..s.end, text.clone())),
3432 autoindent_mode,
3433 cx,
3434 );
3435 anchors
3436 });
3437
3438 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3439 s.select_anchors(selection_anchors);
3440 });
3441
3442 cx.notify();
3443 });
3444 }
3445
3446 fn trigger_completion_on_input(
3447 &mut self,
3448 text: &str,
3449 trigger_in_words: bool,
3450 window: &mut Window,
3451 cx: &mut Context<Self>,
3452 ) {
3453 if self.is_completion_trigger(text, trigger_in_words, cx) {
3454 self.show_completions(
3455 &ShowCompletions {
3456 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3457 },
3458 window,
3459 cx,
3460 );
3461 } else {
3462 self.hide_context_menu(window, cx);
3463 }
3464 }
3465
3466 fn is_completion_trigger(
3467 &self,
3468 text: &str,
3469 trigger_in_words: bool,
3470 cx: &mut Context<Self>,
3471 ) -> bool {
3472 let position = self.selections.newest_anchor().head();
3473 let multibuffer = self.buffer.read(cx);
3474 let Some(buffer) = position
3475 .buffer_id
3476 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3477 else {
3478 return false;
3479 };
3480
3481 if let Some(completion_provider) = &self.completion_provider {
3482 completion_provider.is_completion_trigger(
3483 &buffer,
3484 position.text_anchor,
3485 text,
3486 trigger_in_words,
3487 cx,
3488 )
3489 } else {
3490 false
3491 }
3492 }
3493
3494 /// If any empty selections is touching the start of its innermost containing autoclose
3495 /// region, expand it to select the brackets.
3496 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3497 let selections = self.selections.all::<usize>(cx);
3498 let buffer = self.buffer.read(cx).read(cx);
3499 let new_selections = self
3500 .selections_with_autoclose_regions(selections, &buffer)
3501 .map(|(mut selection, region)| {
3502 if !selection.is_empty() {
3503 return selection;
3504 }
3505
3506 if let Some(region) = region {
3507 let mut range = region.range.to_offset(&buffer);
3508 if selection.start == range.start && range.start >= region.pair.start.len() {
3509 range.start -= region.pair.start.len();
3510 if buffer.contains_str_at(range.start, ®ion.pair.start)
3511 && buffer.contains_str_at(range.end, ®ion.pair.end)
3512 {
3513 range.end += region.pair.end.len();
3514 selection.start = range.start;
3515 selection.end = range.end;
3516
3517 return selection;
3518 }
3519 }
3520 }
3521
3522 let always_treat_brackets_as_autoclosed = buffer
3523 .settings_at(selection.start, cx)
3524 .always_treat_brackets_as_autoclosed;
3525
3526 if !always_treat_brackets_as_autoclosed {
3527 return selection;
3528 }
3529
3530 if let Some(scope) = buffer.language_scope_at(selection.start) {
3531 for (pair, enabled) in scope.brackets() {
3532 if !enabled || !pair.close {
3533 continue;
3534 }
3535
3536 if buffer.contains_str_at(selection.start, &pair.end) {
3537 let pair_start_len = pair.start.len();
3538 if buffer.contains_str_at(
3539 selection.start.saturating_sub(pair_start_len),
3540 &pair.start,
3541 ) {
3542 selection.start -= pair_start_len;
3543 selection.end += pair.end.len();
3544
3545 return selection;
3546 }
3547 }
3548 }
3549 }
3550
3551 selection
3552 })
3553 .collect();
3554
3555 drop(buffer);
3556 self.change_selections(None, window, cx, |selections| {
3557 selections.select(new_selections)
3558 });
3559 }
3560
3561 /// Iterate the given selections, and for each one, find the smallest surrounding
3562 /// autoclose region. This uses the ordering of the selections and the autoclose
3563 /// regions to avoid repeated comparisons.
3564 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3565 &'a self,
3566 selections: impl IntoIterator<Item = Selection<D>>,
3567 buffer: &'a MultiBufferSnapshot,
3568 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3569 let mut i = 0;
3570 let mut regions = self.autoclose_regions.as_slice();
3571 selections.into_iter().map(move |selection| {
3572 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3573
3574 let mut enclosing = None;
3575 while let Some(pair_state) = regions.get(i) {
3576 if pair_state.range.end.to_offset(buffer) < range.start {
3577 regions = ®ions[i + 1..];
3578 i = 0;
3579 } else if pair_state.range.start.to_offset(buffer) > range.end {
3580 break;
3581 } else {
3582 if pair_state.selection_id == selection.id {
3583 enclosing = Some(pair_state);
3584 }
3585 i += 1;
3586 }
3587 }
3588
3589 (selection, enclosing)
3590 })
3591 }
3592
3593 /// Remove any autoclose regions that no longer contain their selection.
3594 fn invalidate_autoclose_regions(
3595 &mut self,
3596 mut selections: &[Selection<Anchor>],
3597 buffer: &MultiBufferSnapshot,
3598 ) {
3599 self.autoclose_regions.retain(|state| {
3600 let mut i = 0;
3601 while let Some(selection) = selections.get(i) {
3602 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3603 selections = &selections[1..];
3604 continue;
3605 }
3606 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3607 break;
3608 }
3609 if selection.id == state.selection_id {
3610 return true;
3611 } else {
3612 i += 1;
3613 }
3614 }
3615 false
3616 });
3617 }
3618
3619 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3620 let offset = position.to_offset(buffer);
3621 let (word_range, kind) = buffer.surrounding_word(offset, true);
3622 if offset > word_range.start && kind == Some(CharKind::Word) {
3623 Some(
3624 buffer
3625 .text_for_range(word_range.start..offset)
3626 .collect::<String>(),
3627 )
3628 } else {
3629 None
3630 }
3631 }
3632
3633 pub fn toggle_inlay_hints(
3634 &mut self,
3635 _: &ToggleInlayHints,
3636 _: &mut Window,
3637 cx: &mut Context<Self>,
3638 ) {
3639 self.refresh_inlay_hints(
3640 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3641 cx,
3642 );
3643 }
3644
3645 pub fn inlay_hints_enabled(&self) -> bool {
3646 self.inlay_hint_cache.enabled
3647 }
3648
3649 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3650 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3651 return;
3652 }
3653
3654 let reason_description = reason.description();
3655 let ignore_debounce = matches!(
3656 reason,
3657 InlayHintRefreshReason::SettingsChange(_)
3658 | InlayHintRefreshReason::Toggle(_)
3659 | InlayHintRefreshReason::ExcerptsRemoved(_)
3660 );
3661 let (invalidate_cache, required_languages) = match reason {
3662 InlayHintRefreshReason::Toggle(enabled) => {
3663 self.inlay_hint_cache.enabled = enabled;
3664 if enabled {
3665 (InvalidationStrategy::RefreshRequested, None)
3666 } else {
3667 self.inlay_hint_cache.clear();
3668 self.splice_inlays(
3669 &self
3670 .visible_inlay_hints(cx)
3671 .iter()
3672 .map(|inlay| inlay.id)
3673 .collect::<Vec<InlayId>>(),
3674 Vec::new(),
3675 cx,
3676 );
3677 return;
3678 }
3679 }
3680 InlayHintRefreshReason::SettingsChange(new_settings) => {
3681 match self.inlay_hint_cache.update_settings(
3682 &self.buffer,
3683 new_settings,
3684 self.visible_inlay_hints(cx),
3685 cx,
3686 ) {
3687 ControlFlow::Break(Some(InlaySplice {
3688 to_remove,
3689 to_insert,
3690 })) => {
3691 self.splice_inlays(&to_remove, to_insert, cx);
3692 return;
3693 }
3694 ControlFlow::Break(None) => return,
3695 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3696 }
3697 }
3698 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3699 if let Some(InlaySplice {
3700 to_remove,
3701 to_insert,
3702 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3703 {
3704 self.splice_inlays(&to_remove, to_insert, cx);
3705 }
3706 return;
3707 }
3708 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3709 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3710 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3711 }
3712 InlayHintRefreshReason::RefreshRequested => {
3713 (InvalidationStrategy::RefreshRequested, None)
3714 }
3715 };
3716
3717 if let Some(InlaySplice {
3718 to_remove,
3719 to_insert,
3720 }) = self.inlay_hint_cache.spawn_hint_refresh(
3721 reason_description,
3722 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3723 invalidate_cache,
3724 ignore_debounce,
3725 cx,
3726 ) {
3727 self.splice_inlays(&to_remove, to_insert, cx);
3728 }
3729 }
3730
3731 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3732 self.display_map
3733 .read(cx)
3734 .current_inlays()
3735 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3736 .cloned()
3737 .collect()
3738 }
3739
3740 pub fn excerpts_for_inlay_hints_query(
3741 &self,
3742 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3743 cx: &mut Context<Editor>,
3744 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3745 let Some(project) = self.project.as_ref() else {
3746 return HashMap::default();
3747 };
3748 let project = project.read(cx);
3749 let multi_buffer = self.buffer().read(cx);
3750 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3751 let multi_buffer_visible_start = self
3752 .scroll_manager
3753 .anchor()
3754 .anchor
3755 .to_point(&multi_buffer_snapshot);
3756 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3757 multi_buffer_visible_start
3758 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3759 Bias::Left,
3760 );
3761 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3762 multi_buffer_snapshot
3763 .range_to_buffer_ranges(multi_buffer_visible_range)
3764 .into_iter()
3765 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3766 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3767 let buffer_file = project::File::from_dyn(buffer.file())?;
3768 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3769 let worktree_entry = buffer_worktree
3770 .read(cx)
3771 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3772 if worktree_entry.is_ignored {
3773 return None;
3774 }
3775
3776 let language = buffer.language()?;
3777 if let Some(restrict_to_languages) = restrict_to_languages {
3778 if !restrict_to_languages.contains(language) {
3779 return None;
3780 }
3781 }
3782 Some((
3783 excerpt_id,
3784 (
3785 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3786 buffer.version().clone(),
3787 excerpt_visible_range,
3788 ),
3789 ))
3790 })
3791 .collect()
3792 }
3793
3794 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3795 TextLayoutDetails {
3796 text_system: window.text_system().clone(),
3797 editor_style: self.style.clone().unwrap(),
3798 rem_size: window.rem_size(),
3799 scroll_anchor: self.scroll_manager.anchor(),
3800 visible_rows: self.visible_line_count(),
3801 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3802 }
3803 }
3804
3805 pub fn splice_inlays(
3806 &self,
3807 to_remove: &[InlayId],
3808 to_insert: Vec<Inlay>,
3809 cx: &mut Context<Self>,
3810 ) {
3811 self.display_map.update(cx, |display_map, cx| {
3812 display_map.splice_inlays(to_remove, to_insert, cx)
3813 });
3814 cx.notify();
3815 }
3816
3817 fn trigger_on_type_formatting(
3818 &self,
3819 input: String,
3820 window: &mut Window,
3821 cx: &mut Context<Self>,
3822 ) -> Option<Task<Result<()>>> {
3823 if input.len() != 1 {
3824 return None;
3825 }
3826
3827 let project = self.project.as_ref()?;
3828 let position = self.selections.newest_anchor().head();
3829 let (buffer, buffer_position) = self
3830 .buffer
3831 .read(cx)
3832 .text_anchor_for_position(position, cx)?;
3833
3834 let settings = language_settings::language_settings(
3835 buffer
3836 .read(cx)
3837 .language_at(buffer_position)
3838 .map(|l| l.name()),
3839 buffer.read(cx).file(),
3840 cx,
3841 );
3842 if !settings.use_on_type_format {
3843 return None;
3844 }
3845
3846 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3847 // hence we do LSP request & edit on host side only — add formats to host's history.
3848 let push_to_lsp_host_history = true;
3849 // If this is not the host, append its history with new edits.
3850 let push_to_client_history = project.read(cx).is_via_collab();
3851
3852 let on_type_formatting = project.update(cx, |project, cx| {
3853 project.on_type_format(
3854 buffer.clone(),
3855 buffer_position,
3856 input,
3857 push_to_lsp_host_history,
3858 cx,
3859 )
3860 });
3861 Some(cx.spawn_in(window, |editor, mut cx| async move {
3862 if let Some(transaction) = on_type_formatting.await? {
3863 if push_to_client_history {
3864 buffer
3865 .update(&mut cx, |buffer, _| {
3866 buffer.push_transaction(transaction, Instant::now());
3867 })
3868 .ok();
3869 }
3870 editor.update(&mut cx, |editor, cx| {
3871 editor.refresh_document_highlights(cx);
3872 })?;
3873 }
3874 Ok(())
3875 }))
3876 }
3877
3878 pub fn show_completions(
3879 &mut self,
3880 options: &ShowCompletions,
3881 window: &mut Window,
3882 cx: &mut Context<Self>,
3883 ) {
3884 if self.pending_rename.is_some() {
3885 return;
3886 }
3887
3888 let Some(provider) = self.completion_provider.as_ref() else {
3889 return;
3890 };
3891
3892 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3893 return;
3894 }
3895
3896 let position = self.selections.newest_anchor().head();
3897 if position.diff_base_anchor.is_some() {
3898 return;
3899 }
3900 let (buffer, buffer_position) =
3901 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3902 output
3903 } else {
3904 return;
3905 };
3906 let show_completion_documentation = buffer
3907 .read(cx)
3908 .snapshot()
3909 .settings_at(buffer_position, cx)
3910 .show_completion_documentation;
3911
3912 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3913
3914 let trigger_kind = match &options.trigger {
3915 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3916 CompletionTriggerKind::TRIGGER_CHARACTER
3917 }
3918 _ => CompletionTriggerKind::INVOKED,
3919 };
3920 let completion_context = CompletionContext {
3921 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3922 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3923 Some(String::from(trigger))
3924 } else {
3925 None
3926 }
3927 }),
3928 trigger_kind,
3929 };
3930 let completions =
3931 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3932 let sort_completions = provider.sort_completions();
3933
3934 let id = post_inc(&mut self.next_completion_id);
3935 let task = cx.spawn_in(window, |editor, mut cx| {
3936 async move {
3937 editor.update(&mut cx, |this, _| {
3938 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3939 })?;
3940 let completions = completions.await.log_err();
3941 let menu = if let Some(completions) = completions {
3942 let mut menu = CompletionsMenu::new(
3943 id,
3944 sort_completions,
3945 show_completion_documentation,
3946 position,
3947 buffer.clone(),
3948 completions.into(),
3949 );
3950
3951 menu.filter(query.as_deref(), cx.background_executor().clone())
3952 .await;
3953
3954 menu.visible().then_some(menu)
3955 } else {
3956 None
3957 };
3958
3959 editor.update_in(&mut cx, |editor, window, cx| {
3960 match editor.context_menu.borrow().as_ref() {
3961 None => {}
3962 Some(CodeContextMenu::Completions(prev_menu)) => {
3963 if prev_menu.id > id {
3964 return;
3965 }
3966 }
3967 _ => return,
3968 }
3969
3970 if editor.focus_handle.is_focused(window) && menu.is_some() {
3971 let mut menu = menu.unwrap();
3972 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3973
3974 *editor.context_menu.borrow_mut() =
3975 Some(CodeContextMenu::Completions(menu));
3976
3977 if editor.show_edit_predictions_in_menu() {
3978 editor.update_visible_inline_completion(window, cx);
3979 } else {
3980 editor.discard_inline_completion(false, cx);
3981 }
3982
3983 cx.notify();
3984 } else if editor.completion_tasks.len() <= 1 {
3985 // If there are no more completion tasks and the last menu was
3986 // empty, we should hide it.
3987 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3988 // If it was already hidden and we don't show inline
3989 // completions in the menu, we should also show the
3990 // inline-completion when available.
3991 if was_hidden && editor.show_edit_predictions_in_menu() {
3992 editor.update_visible_inline_completion(window, cx);
3993 }
3994 }
3995 })?;
3996
3997 Ok::<_, anyhow::Error>(())
3998 }
3999 .log_err()
4000 });
4001
4002 self.completion_tasks.push((id, task));
4003 }
4004
4005 pub fn confirm_completion(
4006 &mut self,
4007 action: &ConfirmCompletion,
4008 window: &mut Window,
4009 cx: &mut Context<Self>,
4010 ) -> Option<Task<Result<()>>> {
4011 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
4012 }
4013
4014 pub fn compose_completion(
4015 &mut self,
4016 action: &ComposeCompletion,
4017 window: &mut Window,
4018 cx: &mut Context<Self>,
4019 ) -> Option<Task<Result<()>>> {
4020 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
4021 }
4022
4023 fn do_completion(
4024 &mut self,
4025 item_ix: Option<usize>,
4026 intent: CompletionIntent,
4027 window: &mut Window,
4028 cx: &mut Context<Editor>,
4029 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
4030 use language::ToOffset as _;
4031
4032 let completions_menu =
4033 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4034 menu
4035 } else {
4036 return None;
4037 };
4038
4039 let entries = completions_menu.entries.borrow();
4040 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4041 if self.show_edit_predictions_in_menu() {
4042 self.discard_inline_completion(true, cx);
4043 }
4044 let candidate_id = mat.candidate_id;
4045 drop(entries);
4046
4047 let buffer_handle = completions_menu.buffer;
4048 let completion = completions_menu
4049 .completions
4050 .borrow()
4051 .get(candidate_id)?
4052 .clone();
4053 cx.stop_propagation();
4054
4055 let snippet;
4056 let text;
4057
4058 if completion.is_snippet() {
4059 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4060 text = snippet.as_ref().unwrap().text.clone();
4061 } else {
4062 snippet = None;
4063 text = completion.new_text.clone();
4064 };
4065 let selections = self.selections.all::<usize>(cx);
4066 let buffer = buffer_handle.read(cx);
4067 let old_range = completion.old_range.to_offset(buffer);
4068 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4069
4070 let newest_selection = self.selections.newest_anchor();
4071 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4072 return None;
4073 }
4074
4075 let lookbehind = newest_selection
4076 .start
4077 .text_anchor
4078 .to_offset(buffer)
4079 .saturating_sub(old_range.start);
4080 let lookahead = old_range
4081 .end
4082 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4083 let mut common_prefix_len = old_text
4084 .bytes()
4085 .zip(text.bytes())
4086 .take_while(|(a, b)| a == b)
4087 .count();
4088
4089 let snapshot = self.buffer.read(cx).snapshot(cx);
4090 let mut range_to_replace: Option<Range<isize>> = None;
4091 let mut ranges = Vec::new();
4092 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4093 for selection in &selections {
4094 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4095 let start = selection.start.saturating_sub(lookbehind);
4096 let end = selection.end + lookahead;
4097 if selection.id == newest_selection.id {
4098 range_to_replace = Some(
4099 ((start + common_prefix_len) as isize - selection.start as isize)
4100 ..(end as isize - selection.start as isize),
4101 );
4102 }
4103 ranges.push(start + common_prefix_len..end);
4104 } else {
4105 common_prefix_len = 0;
4106 ranges.clear();
4107 ranges.extend(selections.iter().map(|s| {
4108 if s.id == newest_selection.id {
4109 range_to_replace = Some(
4110 old_range.start.to_offset_utf16(&snapshot).0 as isize
4111 - selection.start as isize
4112 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4113 - selection.start as isize,
4114 );
4115 old_range.clone()
4116 } else {
4117 s.start..s.end
4118 }
4119 }));
4120 break;
4121 }
4122 if !self.linked_edit_ranges.is_empty() {
4123 let start_anchor = snapshot.anchor_before(selection.head());
4124 let end_anchor = snapshot.anchor_after(selection.tail());
4125 if let Some(ranges) = self
4126 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4127 {
4128 for (buffer, edits) in ranges {
4129 linked_edits.entry(buffer.clone()).or_default().extend(
4130 edits
4131 .into_iter()
4132 .map(|range| (range, text[common_prefix_len..].to_owned())),
4133 );
4134 }
4135 }
4136 }
4137 }
4138 let text = &text[common_prefix_len..];
4139
4140 cx.emit(EditorEvent::InputHandled {
4141 utf16_range_to_replace: range_to_replace,
4142 text: text.into(),
4143 });
4144
4145 self.transact(window, cx, |this, window, cx| {
4146 if let Some(mut snippet) = snippet {
4147 snippet.text = text.to_string();
4148 for tabstop in snippet
4149 .tabstops
4150 .iter_mut()
4151 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4152 {
4153 tabstop.start -= common_prefix_len as isize;
4154 tabstop.end -= common_prefix_len as isize;
4155 }
4156
4157 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4158 } else {
4159 this.buffer.update(cx, |buffer, cx| {
4160 buffer.edit(
4161 ranges.iter().map(|range| (range.clone(), text)),
4162 this.autoindent_mode.clone(),
4163 cx,
4164 );
4165 });
4166 }
4167 for (buffer, edits) in linked_edits {
4168 buffer.update(cx, |buffer, cx| {
4169 let snapshot = buffer.snapshot();
4170 let edits = edits
4171 .into_iter()
4172 .map(|(range, text)| {
4173 use text::ToPoint as TP;
4174 let end_point = TP::to_point(&range.end, &snapshot);
4175 let start_point = TP::to_point(&range.start, &snapshot);
4176 (start_point..end_point, text)
4177 })
4178 .sorted_by_key(|(range, _)| range.start)
4179 .collect::<Vec<_>>();
4180 buffer.edit(edits, None, cx);
4181 })
4182 }
4183
4184 this.refresh_inline_completion(true, false, window, cx);
4185 });
4186
4187 let show_new_completions_on_confirm = completion
4188 .confirm
4189 .as_ref()
4190 .map_or(false, |confirm| confirm(intent, window, cx));
4191 if show_new_completions_on_confirm {
4192 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4193 }
4194
4195 let provider = self.completion_provider.as_ref()?;
4196 drop(completion);
4197 let apply_edits = provider.apply_additional_edits_for_completion(
4198 buffer_handle,
4199 completions_menu.completions.clone(),
4200 candidate_id,
4201 true,
4202 cx,
4203 );
4204
4205 let editor_settings = EditorSettings::get_global(cx);
4206 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4207 // After the code completion is finished, users often want to know what signatures are needed.
4208 // so we should automatically call signature_help
4209 self.show_signature_help(&ShowSignatureHelp, window, cx);
4210 }
4211
4212 Some(cx.foreground_executor().spawn(async move {
4213 apply_edits.await?;
4214 Ok(())
4215 }))
4216 }
4217
4218 pub fn toggle_code_actions(
4219 &mut self,
4220 action: &ToggleCodeActions,
4221 window: &mut Window,
4222 cx: &mut Context<Self>,
4223 ) {
4224 let mut context_menu = self.context_menu.borrow_mut();
4225 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4226 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4227 // Toggle if we're selecting the same one
4228 *context_menu = None;
4229 cx.notify();
4230 return;
4231 } else {
4232 // Otherwise, clear it and start a new one
4233 *context_menu = None;
4234 cx.notify();
4235 }
4236 }
4237 drop(context_menu);
4238 let snapshot = self.snapshot(window, cx);
4239 let deployed_from_indicator = action.deployed_from_indicator;
4240 let mut task = self.code_actions_task.take();
4241 let action = action.clone();
4242 cx.spawn_in(window, |editor, mut cx| async move {
4243 while let Some(prev_task) = task {
4244 prev_task.await.log_err();
4245 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4246 }
4247
4248 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4249 if editor.focus_handle.is_focused(window) {
4250 let multibuffer_point = action
4251 .deployed_from_indicator
4252 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4253 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4254 let (buffer, buffer_row) = snapshot
4255 .buffer_snapshot
4256 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4257 .and_then(|(buffer_snapshot, range)| {
4258 editor
4259 .buffer
4260 .read(cx)
4261 .buffer(buffer_snapshot.remote_id())
4262 .map(|buffer| (buffer, range.start.row))
4263 })?;
4264 let (_, code_actions) = editor
4265 .available_code_actions
4266 .clone()
4267 .and_then(|(location, code_actions)| {
4268 let snapshot = location.buffer.read(cx).snapshot();
4269 let point_range = location.range.to_point(&snapshot);
4270 let point_range = point_range.start.row..=point_range.end.row;
4271 if point_range.contains(&buffer_row) {
4272 Some((location, code_actions))
4273 } else {
4274 None
4275 }
4276 })
4277 .unzip();
4278 let buffer_id = buffer.read(cx).remote_id();
4279 let tasks = editor
4280 .tasks
4281 .get(&(buffer_id, buffer_row))
4282 .map(|t| Arc::new(t.to_owned()));
4283 if tasks.is_none() && code_actions.is_none() {
4284 return None;
4285 }
4286
4287 editor.completion_tasks.clear();
4288 editor.discard_inline_completion(false, cx);
4289 let task_context =
4290 tasks
4291 .as_ref()
4292 .zip(editor.project.clone())
4293 .map(|(tasks, project)| {
4294 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4295 });
4296
4297 Some(cx.spawn_in(window, |editor, mut cx| async move {
4298 let task_context = match task_context {
4299 Some(task_context) => task_context.await,
4300 None => None,
4301 };
4302 let resolved_tasks =
4303 tasks.zip(task_context).map(|(tasks, task_context)| {
4304 Rc::new(ResolvedTasks {
4305 templates: tasks.resolve(&task_context).collect(),
4306 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4307 multibuffer_point.row,
4308 tasks.column,
4309 )),
4310 })
4311 });
4312 let spawn_straight_away = resolved_tasks
4313 .as_ref()
4314 .map_or(false, |tasks| tasks.templates.len() == 1)
4315 && code_actions
4316 .as_ref()
4317 .map_or(true, |actions| actions.is_empty());
4318 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4319 *editor.context_menu.borrow_mut() =
4320 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4321 buffer,
4322 actions: CodeActionContents {
4323 tasks: resolved_tasks,
4324 actions: code_actions,
4325 },
4326 selected_item: Default::default(),
4327 scroll_handle: UniformListScrollHandle::default(),
4328 deployed_from_indicator,
4329 }));
4330 if spawn_straight_away {
4331 if let Some(task) = editor.confirm_code_action(
4332 &ConfirmCodeAction { item_ix: Some(0) },
4333 window,
4334 cx,
4335 ) {
4336 cx.notify();
4337 return task;
4338 }
4339 }
4340 cx.notify();
4341 Task::ready(Ok(()))
4342 }) {
4343 task.await
4344 } else {
4345 Ok(())
4346 }
4347 }))
4348 } else {
4349 Some(Task::ready(Ok(())))
4350 }
4351 })?;
4352 if let Some(task) = spawned_test_task {
4353 task.await?;
4354 }
4355
4356 Ok::<_, anyhow::Error>(())
4357 })
4358 .detach_and_log_err(cx);
4359 }
4360
4361 pub fn confirm_code_action(
4362 &mut self,
4363 action: &ConfirmCodeAction,
4364 window: &mut Window,
4365 cx: &mut Context<Self>,
4366 ) -> Option<Task<Result<()>>> {
4367 let actions_menu =
4368 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4369 menu
4370 } else {
4371 return None;
4372 };
4373 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4374 let action = actions_menu.actions.get(action_ix)?;
4375 let title = action.label();
4376 let buffer = actions_menu.buffer;
4377 let workspace = self.workspace()?;
4378
4379 match action {
4380 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4381 workspace.update(cx, |workspace, cx| {
4382 workspace::tasks::schedule_resolved_task(
4383 workspace,
4384 task_source_kind,
4385 resolved_task,
4386 false,
4387 cx,
4388 );
4389
4390 Some(Task::ready(Ok(())))
4391 })
4392 }
4393 CodeActionsItem::CodeAction {
4394 excerpt_id,
4395 action,
4396 provider,
4397 } => {
4398 let apply_code_action =
4399 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4400 let workspace = workspace.downgrade();
4401 Some(cx.spawn_in(window, |editor, cx| async move {
4402 let project_transaction = apply_code_action.await?;
4403 Self::open_project_transaction(
4404 &editor,
4405 workspace,
4406 project_transaction,
4407 title,
4408 cx,
4409 )
4410 .await
4411 }))
4412 }
4413 }
4414 }
4415
4416 pub async fn open_project_transaction(
4417 this: &WeakEntity<Editor>,
4418 workspace: WeakEntity<Workspace>,
4419 transaction: ProjectTransaction,
4420 title: String,
4421 mut cx: AsyncWindowContext,
4422 ) -> Result<()> {
4423 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4424 cx.update(|_, cx| {
4425 entries.sort_unstable_by_key(|(buffer, _)| {
4426 buffer.read(cx).file().map(|f| f.path().clone())
4427 });
4428 })?;
4429
4430 // If the project transaction's edits are all contained within this editor, then
4431 // avoid opening a new editor to display them.
4432
4433 if let Some((buffer, transaction)) = entries.first() {
4434 if entries.len() == 1 {
4435 let excerpt = this.update(&mut cx, |editor, cx| {
4436 editor
4437 .buffer()
4438 .read(cx)
4439 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4440 })?;
4441 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4442 if excerpted_buffer == *buffer {
4443 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4444 let excerpt_range = excerpt_range.to_offset(buffer);
4445 buffer
4446 .edited_ranges_for_transaction::<usize>(transaction)
4447 .all(|range| {
4448 excerpt_range.start <= range.start
4449 && excerpt_range.end >= range.end
4450 })
4451 })?;
4452
4453 if all_edits_within_excerpt {
4454 return Ok(());
4455 }
4456 }
4457 }
4458 }
4459 } else {
4460 return Ok(());
4461 }
4462
4463 let mut ranges_to_highlight = Vec::new();
4464 let excerpt_buffer = cx.new(|cx| {
4465 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4466 for (buffer_handle, transaction) in &entries {
4467 let buffer = buffer_handle.read(cx);
4468 ranges_to_highlight.extend(
4469 multibuffer.push_excerpts_with_context_lines(
4470 buffer_handle.clone(),
4471 buffer
4472 .edited_ranges_for_transaction::<usize>(transaction)
4473 .collect(),
4474 DEFAULT_MULTIBUFFER_CONTEXT,
4475 cx,
4476 ),
4477 );
4478 }
4479 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4480 multibuffer
4481 })?;
4482
4483 workspace.update_in(&mut cx, |workspace, window, cx| {
4484 let project = workspace.project().clone();
4485 let editor = cx
4486 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4487 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4488 editor.update(cx, |editor, cx| {
4489 editor.highlight_background::<Self>(
4490 &ranges_to_highlight,
4491 |theme| theme.editor_highlighted_line_background,
4492 cx,
4493 );
4494 });
4495 })?;
4496
4497 Ok(())
4498 }
4499
4500 pub fn clear_code_action_providers(&mut self) {
4501 self.code_action_providers.clear();
4502 self.available_code_actions.take();
4503 }
4504
4505 pub fn add_code_action_provider(
4506 &mut self,
4507 provider: Rc<dyn CodeActionProvider>,
4508 window: &mut Window,
4509 cx: &mut Context<Self>,
4510 ) {
4511 if self
4512 .code_action_providers
4513 .iter()
4514 .any(|existing_provider| existing_provider.id() == provider.id())
4515 {
4516 return;
4517 }
4518
4519 self.code_action_providers.push(provider);
4520 self.refresh_code_actions(window, cx);
4521 }
4522
4523 pub fn remove_code_action_provider(
4524 &mut self,
4525 id: Arc<str>,
4526 window: &mut Window,
4527 cx: &mut Context<Self>,
4528 ) {
4529 self.code_action_providers
4530 .retain(|provider| provider.id() != id);
4531 self.refresh_code_actions(window, cx);
4532 }
4533
4534 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4535 let buffer = self.buffer.read(cx);
4536 let newest_selection = self.selections.newest_anchor().clone();
4537 if newest_selection.head().diff_base_anchor.is_some() {
4538 return None;
4539 }
4540 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4541 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4542 if start_buffer != end_buffer {
4543 return None;
4544 }
4545
4546 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4547 cx.background_executor()
4548 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4549 .await;
4550
4551 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4552 let providers = this.code_action_providers.clone();
4553 let tasks = this
4554 .code_action_providers
4555 .iter()
4556 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4557 .collect::<Vec<_>>();
4558 (providers, tasks)
4559 })?;
4560
4561 let mut actions = Vec::new();
4562 for (provider, provider_actions) in
4563 providers.into_iter().zip(future::join_all(tasks).await)
4564 {
4565 if let Some(provider_actions) = provider_actions.log_err() {
4566 actions.extend(provider_actions.into_iter().map(|action| {
4567 AvailableCodeAction {
4568 excerpt_id: newest_selection.start.excerpt_id,
4569 action,
4570 provider: provider.clone(),
4571 }
4572 }));
4573 }
4574 }
4575
4576 this.update(&mut cx, |this, cx| {
4577 this.available_code_actions = if actions.is_empty() {
4578 None
4579 } else {
4580 Some((
4581 Location {
4582 buffer: start_buffer,
4583 range: start..end,
4584 },
4585 actions.into(),
4586 ))
4587 };
4588 cx.notify();
4589 })
4590 }));
4591 None
4592 }
4593
4594 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4595 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4596 self.show_git_blame_inline = false;
4597
4598 self.show_git_blame_inline_delay_task =
4599 Some(cx.spawn_in(window, |this, mut cx| async move {
4600 cx.background_executor().timer(delay).await;
4601
4602 this.update(&mut cx, |this, cx| {
4603 this.show_git_blame_inline = true;
4604 cx.notify();
4605 })
4606 .log_err();
4607 }));
4608 }
4609 }
4610
4611 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4612 if self.pending_rename.is_some() {
4613 return None;
4614 }
4615
4616 let provider = self.semantics_provider.clone()?;
4617 let buffer = self.buffer.read(cx);
4618 let newest_selection = self.selections.newest_anchor().clone();
4619 let cursor_position = newest_selection.head();
4620 let (cursor_buffer, cursor_buffer_position) =
4621 buffer.text_anchor_for_position(cursor_position, cx)?;
4622 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4623 if cursor_buffer != tail_buffer {
4624 return None;
4625 }
4626 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4627 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4628 cx.background_executor()
4629 .timer(Duration::from_millis(debounce))
4630 .await;
4631
4632 let highlights = if let Some(highlights) = cx
4633 .update(|cx| {
4634 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4635 })
4636 .ok()
4637 .flatten()
4638 {
4639 highlights.await.log_err()
4640 } else {
4641 None
4642 };
4643
4644 if let Some(highlights) = highlights {
4645 this.update(&mut cx, |this, cx| {
4646 if this.pending_rename.is_some() {
4647 return;
4648 }
4649
4650 let buffer_id = cursor_position.buffer_id;
4651 let buffer = this.buffer.read(cx);
4652 if !buffer
4653 .text_anchor_for_position(cursor_position, cx)
4654 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4655 {
4656 return;
4657 }
4658
4659 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4660 let mut write_ranges = Vec::new();
4661 let mut read_ranges = Vec::new();
4662 for highlight in highlights {
4663 for (excerpt_id, excerpt_range) in
4664 buffer.excerpts_for_buffer(cursor_buffer.read(cx).remote_id(), cx)
4665 {
4666 let start = highlight
4667 .range
4668 .start
4669 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4670 let end = highlight
4671 .range
4672 .end
4673 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4674 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4675 continue;
4676 }
4677
4678 let range = Anchor {
4679 buffer_id,
4680 excerpt_id,
4681 text_anchor: start,
4682 diff_base_anchor: None,
4683 }..Anchor {
4684 buffer_id,
4685 excerpt_id,
4686 text_anchor: end,
4687 diff_base_anchor: None,
4688 };
4689 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4690 write_ranges.push(range);
4691 } else {
4692 read_ranges.push(range);
4693 }
4694 }
4695 }
4696
4697 this.highlight_background::<DocumentHighlightRead>(
4698 &read_ranges,
4699 |theme| theme.editor_document_highlight_read_background,
4700 cx,
4701 );
4702 this.highlight_background::<DocumentHighlightWrite>(
4703 &write_ranges,
4704 |theme| theme.editor_document_highlight_write_background,
4705 cx,
4706 );
4707 cx.notify();
4708 })
4709 .log_err();
4710 }
4711 }));
4712 None
4713 }
4714
4715 pub fn refresh_inline_completion(
4716 &mut self,
4717 debounce: bool,
4718 user_requested: bool,
4719 window: &mut Window,
4720 cx: &mut Context<Self>,
4721 ) -> Option<()> {
4722 let provider = self.edit_prediction_provider()?;
4723 let cursor = self.selections.newest_anchor().head();
4724 let (buffer, cursor_buffer_position) =
4725 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4726
4727 if !self.inline_completions_enabled_in_buffer(&buffer, cursor_buffer_position, cx) {
4728 self.discard_inline_completion(false, cx);
4729 return None;
4730 }
4731
4732 if !user_requested
4733 && (!self.should_show_edit_predictions()
4734 || !self.is_focused(window)
4735 || buffer.read(cx).is_empty())
4736 {
4737 self.discard_inline_completion(false, cx);
4738 return None;
4739 }
4740
4741 self.update_visible_inline_completion(window, cx);
4742 provider.refresh(
4743 self.project.clone(),
4744 buffer,
4745 cursor_buffer_position,
4746 debounce,
4747 cx,
4748 );
4749 Some(())
4750 }
4751
4752 fn show_edit_predictions_in_menu(&self) -> bool {
4753 match self.edit_prediction_settings {
4754 EditPredictionSettings::Disabled => false,
4755 EditPredictionSettings::Enabled { show_in_menu, .. } => show_in_menu,
4756 }
4757 }
4758
4759 pub fn edit_predictions_enabled(&self) -> bool {
4760 match self.edit_prediction_settings {
4761 EditPredictionSettings::Disabled => false,
4762 EditPredictionSettings::Enabled { .. } => true,
4763 }
4764 }
4765
4766 fn edit_prediction_requires_modifier(&self) -> bool {
4767 match self.edit_prediction_settings {
4768 EditPredictionSettings::Disabled => false,
4769 EditPredictionSettings::Enabled {
4770 preview_requires_modifier,
4771 ..
4772 } => preview_requires_modifier,
4773 }
4774 }
4775
4776 fn edit_prediction_settings_at_position(
4777 &self,
4778 buffer: &Entity<Buffer>,
4779 buffer_position: language::Anchor,
4780 cx: &App,
4781 ) -> EditPredictionSettings {
4782 if self.mode != EditorMode::Full
4783 || !self.show_inline_completions_override.unwrap_or(true)
4784 || self.inline_completions_disabled_in_scope(buffer, buffer_position, cx)
4785 {
4786 return EditPredictionSettings::Disabled;
4787 }
4788
4789 let buffer = buffer.read(cx);
4790
4791 let file = buffer.file();
4792
4793 if !language_settings(buffer.language().map(|l| l.name()), file, cx).show_edit_predictions {
4794 return EditPredictionSettings::Disabled;
4795 };
4796
4797 let by_provider = matches!(
4798 self.menu_inline_completions_policy,
4799 MenuInlineCompletionsPolicy::ByProvider
4800 );
4801
4802 let show_in_menu = by_provider
4803 && self
4804 .edit_prediction_provider
4805 .as_ref()
4806 .map_or(false, |provider| {
4807 provider.provider.show_completions_in_menu()
4808 });
4809
4810 let preview_requires_modifier =
4811 all_language_settings(file, cx).edit_predictions_mode() == EditPredictionsMode::Auto;
4812
4813 EditPredictionSettings::Enabled {
4814 show_in_menu,
4815 preview_requires_modifier,
4816 }
4817 }
4818
4819 fn should_show_edit_predictions(&self) -> bool {
4820 self.snippet_stack.is_empty() && self.edit_predictions_enabled()
4821 }
4822
4823 pub fn edit_prediction_preview_is_active(&self) -> bool {
4824 matches!(
4825 self.edit_prediction_preview,
4826 EditPredictionPreview::Active { .. }
4827 )
4828 }
4829
4830 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
4831 let cursor = self.selections.newest_anchor().head();
4832 if let Some((buffer, cursor_position)) =
4833 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
4834 {
4835 self.inline_completions_enabled_in_buffer(&buffer, cursor_position, cx)
4836 } else {
4837 false
4838 }
4839 }
4840
4841 fn inline_completions_enabled_in_buffer(
4842 &self,
4843 buffer: &Entity<Buffer>,
4844 buffer_position: language::Anchor,
4845 cx: &App,
4846 ) -> bool {
4847 maybe!({
4848 let provider = self.edit_prediction_provider()?;
4849 if !provider.is_enabled(&buffer, buffer_position, cx) {
4850 return Some(false);
4851 }
4852 let buffer = buffer.read(cx);
4853 let Some(file) = buffer.file() else {
4854 return Some(true);
4855 };
4856 let settings = all_language_settings(Some(file), cx);
4857 Some(settings.inline_completions_enabled_for_path(file.path()))
4858 })
4859 .unwrap_or(false)
4860 }
4861
4862 fn cycle_inline_completion(
4863 &mut self,
4864 direction: Direction,
4865 window: &mut Window,
4866 cx: &mut Context<Self>,
4867 ) -> Option<()> {
4868 let provider = self.edit_prediction_provider()?;
4869 let cursor = self.selections.newest_anchor().head();
4870 let (buffer, cursor_buffer_position) =
4871 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4872 if self.inline_completions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
4873 return None;
4874 }
4875
4876 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4877 self.update_visible_inline_completion(window, cx);
4878
4879 Some(())
4880 }
4881
4882 pub fn show_inline_completion(
4883 &mut self,
4884 _: &ShowEditPrediction,
4885 window: &mut Window,
4886 cx: &mut Context<Self>,
4887 ) {
4888 if !self.has_active_inline_completion() {
4889 self.refresh_inline_completion(false, true, window, cx);
4890 return;
4891 }
4892
4893 self.update_visible_inline_completion(window, cx);
4894 }
4895
4896 pub fn display_cursor_names(
4897 &mut self,
4898 _: &DisplayCursorNames,
4899 window: &mut Window,
4900 cx: &mut Context<Self>,
4901 ) {
4902 self.show_cursor_names(window, cx);
4903 }
4904
4905 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4906 self.show_cursor_names = true;
4907 cx.notify();
4908 cx.spawn_in(window, |this, mut cx| async move {
4909 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4910 this.update(&mut cx, |this, cx| {
4911 this.show_cursor_names = false;
4912 cx.notify()
4913 })
4914 .ok()
4915 })
4916 .detach();
4917 }
4918
4919 pub fn next_edit_prediction(
4920 &mut self,
4921 _: &NextEditPrediction,
4922 window: &mut Window,
4923 cx: &mut Context<Self>,
4924 ) {
4925 if self.has_active_inline_completion() {
4926 self.cycle_inline_completion(Direction::Next, window, cx);
4927 } else {
4928 let is_copilot_disabled = self
4929 .refresh_inline_completion(false, true, window, cx)
4930 .is_none();
4931 if is_copilot_disabled {
4932 cx.propagate();
4933 }
4934 }
4935 }
4936
4937 pub fn previous_edit_prediction(
4938 &mut self,
4939 _: &PreviousEditPrediction,
4940 window: &mut Window,
4941 cx: &mut Context<Self>,
4942 ) {
4943 if self.has_active_inline_completion() {
4944 self.cycle_inline_completion(Direction::Prev, window, cx);
4945 } else {
4946 let is_copilot_disabled = self
4947 .refresh_inline_completion(false, true, window, cx)
4948 .is_none();
4949 if is_copilot_disabled {
4950 cx.propagate();
4951 }
4952 }
4953 }
4954
4955 pub fn accept_edit_prediction(
4956 &mut self,
4957 _: &AcceptEditPrediction,
4958 window: &mut Window,
4959 cx: &mut Context<Self>,
4960 ) {
4961 if self.show_edit_predictions_in_menu() {
4962 self.hide_context_menu(window, cx);
4963 }
4964
4965 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4966 return;
4967 };
4968
4969 self.report_inline_completion_event(
4970 active_inline_completion.completion_id.clone(),
4971 true,
4972 cx,
4973 );
4974
4975 match &active_inline_completion.completion {
4976 InlineCompletion::Move { target, .. } => {
4977 let target = *target;
4978
4979 if let Some(position_map) = &self.last_position_map {
4980 if position_map
4981 .visible_row_range
4982 .contains(&target.to_display_point(&position_map.snapshot).row())
4983 || !self.edit_prediction_requires_modifier()
4984 {
4985 // Note that this is also done in vim's handler of the Tab action.
4986 self.change_selections(
4987 Some(Autoscroll::newest()),
4988 window,
4989 cx,
4990 |selections| {
4991 selections.select_anchor_ranges([target..target]);
4992 },
4993 );
4994 self.clear_row_highlights::<EditPredictionPreview>();
4995
4996 self.edit_prediction_preview = EditPredictionPreview::Active {
4997 previous_scroll_position: None,
4998 };
4999 } else {
5000 self.edit_prediction_preview = EditPredictionPreview::Active {
5001 previous_scroll_position: Some(position_map.snapshot.scroll_anchor),
5002 };
5003 self.highlight_rows::<EditPredictionPreview>(
5004 target..target,
5005 cx.theme().colors().editor_highlighted_line_background,
5006 true,
5007 cx,
5008 );
5009 self.request_autoscroll(Autoscroll::fit(), cx);
5010 }
5011 }
5012 }
5013 InlineCompletion::Edit { edits, .. } => {
5014 if let Some(provider) = self.edit_prediction_provider() {
5015 provider.accept(cx);
5016 }
5017
5018 let snapshot = self.buffer.read(cx).snapshot(cx);
5019 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
5020
5021 self.buffer.update(cx, |buffer, cx| {
5022 buffer.edit(edits.iter().cloned(), None, cx)
5023 });
5024
5025 self.change_selections(None, window, cx, |s| {
5026 s.select_anchor_ranges([last_edit_end..last_edit_end])
5027 });
5028
5029 self.update_visible_inline_completion(window, cx);
5030 if self.active_inline_completion.is_none() {
5031 self.refresh_inline_completion(true, true, window, cx);
5032 }
5033
5034 cx.notify();
5035 }
5036 }
5037
5038 self.edit_prediction_requires_modifier_in_leading_space = false;
5039 }
5040
5041 pub fn accept_partial_inline_completion(
5042 &mut self,
5043 _: &AcceptPartialEditPrediction,
5044 window: &mut Window,
5045 cx: &mut Context<Self>,
5046 ) {
5047 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
5048 return;
5049 };
5050 if self.selections.count() != 1 {
5051 return;
5052 }
5053
5054 self.report_inline_completion_event(
5055 active_inline_completion.completion_id.clone(),
5056 true,
5057 cx,
5058 );
5059
5060 match &active_inline_completion.completion {
5061 InlineCompletion::Move { target, .. } => {
5062 let target = *target;
5063 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
5064 selections.select_anchor_ranges([target..target]);
5065 });
5066 }
5067 InlineCompletion::Edit { edits, .. } => {
5068 // Find an insertion that starts at the cursor position.
5069 let snapshot = self.buffer.read(cx).snapshot(cx);
5070 let cursor_offset = self.selections.newest::<usize>(cx).head();
5071 let insertion = edits.iter().find_map(|(range, text)| {
5072 let range = range.to_offset(&snapshot);
5073 if range.is_empty() && range.start == cursor_offset {
5074 Some(text)
5075 } else {
5076 None
5077 }
5078 });
5079
5080 if let Some(text) = insertion {
5081 let mut partial_completion = text
5082 .chars()
5083 .by_ref()
5084 .take_while(|c| c.is_alphabetic())
5085 .collect::<String>();
5086 if partial_completion.is_empty() {
5087 partial_completion = text
5088 .chars()
5089 .by_ref()
5090 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
5091 .collect::<String>();
5092 }
5093
5094 cx.emit(EditorEvent::InputHandled {
5095 utf16_range_to_replace: None,
5096 text: partial_completion.clone().into(),
5097 });
5098
5099 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
5100
5101 self.refresh_inline_completion(true, true, window, cx);
5102 cx.notify();
5103 } else {
5104 self.accept_edit_prediction(&Default::default(), window, cx);
5105 }
5106 }
5107 }
5108 }
5109
5110 fn discard_inline_completion(
5111 &mut self,
5112 should_report_inline_completion_event: bool,
5113 cx: &mut Context<Self>,
5114 ) -> bool {
5115 if should_report_inline_completion_event {
5116 let completion_id = self
5117 .active_inline_completion
5118 .as_ref()
5119 .and_then(|active_completion| active_completion.completion_id.clone());
5120
5121 self.report_inline_completion_event(completion_id, false, cx);
5122 }
5123
5124 if let Some(provider) = self.edit_prediction_provider() {
5125 provider.discard(cx);
5126 }
5127
5128 self.take_active_inline_completion(cx)
5129 }
5130
5131 fn report_inline_completion_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
5132 let Some(provider) = self.edit_prediction_provider() else {
5133 return;
5134 };
5135
5136 let Some((_, buffer, _)) = self
5137 .buffer
5138 .read(cx)
5139 .excerpt_containing(self.selections.newest_anchor().head(), cx)
5140 else {
5141 return;
5142 };
5143
5144 let extension = buffer
5145 .read(cx)
5146 .file()
5147 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
5148
5149 let event_type = match accepted {
5150 true => "Edit Prediction Accepted",
5151 false => "Edit Prediction Discarded",
5152 };
5153 telemetry::event!(
5154 event_type,
5155 provider = provider.name(),
5156 prediction_id = id,
5157 suggestion_accepted = accepted,
5158 file_extension = extension,
5159 );
5160 }
5161
5162 pub fn has_active_inline_completion(&self) -> bool {
5163 self.active_inline_completion.is_some()
5164 }
5165
5166 fn take_active_inline_completion(&mut self, cx: &mut Context<Self>) -> bool {
5167 let Some(active_inline_completion) = self.active_inline_completion.take() else {
5168 return false;
5169 };
5170
5171 self.splice_inlays(&active_inline_completion.inlay_ids, Default::default(), cx);
5172 self.clear_highlights::<InlineCompletionHighlight>(cx);
5173 self.stale_inline_completion_in_menu = Some(active_inline_completion);
5174 true
5175 }
5176
5177 /// Returns true when we're displaying the edit prediction popover below the cursor
5178 /// like we are not previewing and the LSP autocomplete menu is visible
5179 /// or we are in `when_holding_modifier` mode.
5180 pub fn edit_prediction_visible_in_cursor_popover(&self, has_completion: bool) -> bool {
5181 if self.edit_prediction_preview_is_active()
5182 || !self.show_edit_predictions_in_menu()
5183 || !self.edit_predictions_enabled()
5184 {
5185 return false;
5186 }
5187
5188 if self.has_visible_completions_menu() {
5189 return true;
5190 }
5191
5192 has_completion && self.edit_prediction_requires_modifier()
5193 }
5194
5195 fn handle_modifiers_changed(
5196 &mut self,
5197 modifiers: Modifiers,
5198 position_map: &PositionMap,
5199 window: &mut Window,
5200 cx: &mut Context<Self>,
5201 ) {
5202 if self.show_edit_predictions_in_menu() {
5203 self.update_edit_prediction_preview(&modifiers, window, cx);
5204 }
5205
5206 let mouse_position = window.mouse_position();
5207 if !position_map.text_hitbox.is_hovered(window) {
5208 return;
5209 }
5210
5211 self.update_hovered_link(
5212 position_map.point_for_position(mouse_position),
5213 &position_map.snapshot,
5214 modifiers,
5215 window,
5216 cx,
5217 )
5218 }
5219
5220 fn update_edit_prediction_preview(
5221 &mut self,
5222 modifiers: &Modifiers,
5223 window: &mut Window,
5224 cx: &mut Context<Self>,
5225 ) {
5226 let accept_keybind = self.accept_edit_prediction_keybind(window, cx);
5227 let Some(accept_keystroke) = accept_keybind.keystroke() else {
5228 return;
5229 };
5230
5231 if &accept_keystroke.modifiers == modifiers && accept_keystroke.modifiers.modified() {
5232 if matches!(
5233 self.edit_prediction_preview,
5234 EditPredictionPreview::Inactive
5235 ) {
5236 self.edit_prediction_preview = EditPredictionPreview::Active {
5237 previous_scroll_position: None,
5238 };
5239
5240 self.update_visible_inline_completion(window, cx);
5241 cx.notify();
5242 }
5243 } else if let EditPredictionPreview::Active {
5244 previous_scroll_position,
5245 } = self.edit_prediction_preview
5246 {
5247 if let (Some(previous_scroll_position), Some(position_map)) =
5248 (previous_scroll_position, self.last_position_map.as_ref())
5249 {
5250 self.set_scroll_position(
5251 previous_scroll_position
5252 .scroll_position(&position_map.snapshot.display_snapshot),
5253 window,
5254 cx,
5255 );
5256 }
5257
5258 self.edit_prediction_preview = EditPredictionPreview::Inactive;
5259 self.clear_row_highlights::<EditPredictionPreview>();
5260 self.update_visible_inline_completion(window, cx);
5261 cx.notify();
5262 }
5263 }
5264
5265 fn update_visible_inline_completion(
5266 &mut self,
5267 _window: &mut Window,
5268 cx: &mut Context<Self>,
5269 ) -> Option<()> {
5270 let selection = self.selections.newest_anchor();
5271 let cursor = selection.head();
5272 let multibuffer = self.buffer.read(cx).snapshot(cx);
5273 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5274 let excerpt_id = cursor.excerpt_id;
5275
5276 let show_in_menu = self.show_edit_predictions_in_menu();
5277 let completions_menu_has_precedence = !show_in_menu
5278 && (self.context_menu.borrow().is_some()
5279 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5280
5281 if completions_menu_has_precedence
5282 || !offset_selection.is_empty()
5283 || self
5284 .active_inline_completion
5285 .as_ref()
5286 .map_or(false, |completion| {
5287 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5288 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5289 !invalidation_range.contains(&offset_selection.head())
5290 })
5291 {
5292 self.discard_inline_completion(false, cx);
5293 return None;
5294 }
5295
5296 self.take_active_inline_completion(cx);
5297 let Some(provider) = self.edit_prediction_provider() else {
5298 self.edit_prediction_settings = EditPredictionSettings::Disabled;
5299 return None;
5300 };
5301
5302 let (buffer, cursor_buffer_position) =
5303 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5304
5305 self.edit_prediction_settings =
5306 self.edit_prediction_settings_at_position(&buffer, cursor_buffer_position, cx);
5307
5308 self.edit_prediction_cursor_on_leading_whitespace =
5309 multibuffer.is_line_whitespace_upto(cursor);
5310
5311 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5312 let edits = inline_completion
5313 .edits
5314 .into_iter()
5315 .flat_map(|(range, new_text)| {
5316 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5317 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5318 Some((start..end, new_text))
5319 })
5320 .collect::<Vec<_>>();
5321 if edits.is_empty() {
5322 return None;
5323 }
5324
5325 let first_edit_start = edits.first().unwrap().0.start;
5326 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5327 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5328
5329 let last_edit_end = edits.last().unwrap().0.end;
5330 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5331 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5332
5333 let cursor_row = cursor.to_point(&multibuffer).row;
5334
5335 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5336
5337 let mut inlay_ids = Vec::new();
5338 let invalidation_row_range;
5339 let move_invalidation_row_range = if cursor_row < edit_start_row {
5340 Some(cursor_row..edit_end_row)
5341 } else if cursor_row > edit_end_row {
5342 Some(edit_start_row..cursor_row)
5343 } else {
5344 None
5345 };
5346 let is_move =
5347 move_invalidation_row_range.is_some() || self.inline_completions_hidden_for_vim_mode;
5348 let completion = if is_move {
5349 invalidation_row_range =
5350 move_invalidation_row_range.unwrap_or(edit_start_row..edit_end_row);
5351 let target = first_edit_start;
5352 InlineCompletion::Move { target, snapshot }
5353 } else {
5354 let show_completions_in_buffer = !self.edit_prediction_visible_in_cursor_popover(true)
5355 && !self.inline_completions_hidden_for_vim_mode;
5356
5357 if show_completions_in_buffer {
5358 if edits
5359 .iter()
5360 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5361 {
5362 let mut inlays = Vec::new();
5363 for (range, new_text) in &edits {
5364 let inlay = Inlay::inline_completion(
5365 post_inc(&mut self.next_inlay_id),
5366 range.start,
5367 new_text.as_str(),
5368 );
5369 inlay_ids.push(inlay.id);
5370 inlays.push(inlay);
5371 }
5372
5373 self.splice_inlays(&[], inlays, cx);
5374 } else {
5375 let background_color = cx.theme().status().deleted_background;
5376 self.highlight_text::<InlineCompletionHighlight>(
5377 edits.iter().map(|(range, _)| range.clone()).collect(),
5378 HighlightStyle {
5379 background_color: Some(background_color),
5380 ..Default::default()
5381 },
5382 cx,
5383 );
5384 }
5385 }
5386
5387 invalidation_row_range = edit_start_row..edit_end_row;
5388
5389 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5390 if provider.show_tab_accept_marker() {
5391 EditDisplayMode::TabAccept
5392 } else {
5393 EditDisplayMode::Inline
5394 }
5395 } else {
5396 EditDisplayMode::DiffPopover
5397 };
5398
5399 InlineCompletion::Edit {
5400 edits,
5401 edit_preview: inline_completion.edit_preview,
5402 display_mode,
5403 snapshot,
5404 }
5405 };
5406
5407 let invalidation_range = multibuffer
5408 .anchor_before(Point::new(invalidation_row_range.start, 0))
5409 ..multibuffer.anchor_after(Point::new(
5410 invalidation_row_range.end,
5411 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5412 ));
5413
5414 self.stale_inline_completion_in_menu = None;
5415 self.active_inline_completion = Some(InlineCompletionState {
5416 inlay_ids,
5417 completion,
5418 completion_id: inline_completion.id,
5419 invalidation_range,
5420 });
5421
5422 cx.notify();
5423
5424 Some(())
5425 }
5426
5427 pub fn edit_prediction_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5428 Some(self.edit_prediction_provider.as_ref()?.provider.clone())
5429 }
5430
5431 fn render_code_actions_indicator(
5432 &self,
5433 _style: &EditorStyle,
5434 row: DisplayRow,
5435 is_active: bool,
5436 cx: &mut Context<Self>,
5437 ) -> Option<IconButton> {
5438 if self.available_code_actions.is_some() {
5439 Some(
5440 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5441 .shape(ui::IconButtonShape::Square)
5442 .icon_size(IconSize::XSmall)
5443 .icon_color(Color::Muted)
5444 .toggle_state(is_active)
5445 .tooltip({
5446 let focus_handle = self.focus_handle.clone();
5447 move |window, cx| {
5448 Tooltip::for_action_in(
5449 "Toggle Code Actions",
5450 &ToggleCodeActions {
5451 deployed_from_indicator: None,
5452 },
5453 &focus_handle,
5454 window,
5455 cx,
5456 )
5457 }
5458 })
5459 .on_click(cx.listener(move |editor, _e, window, cx| {
5460 window.focus(&editor.focus_handle(cx));
5461 editor.toggle_code_actions(
5462 &ToggleCodeActions {
5463 deployed_from_indicator: Some(row),
5464 },
5465 window,
5466 cx,
5467 );
5468 })),
5469 )
5470 } else {
5471 None
5472 }
5473 }
5474
5475 fn clear_tasks(&mut self) {
5476 self.tasks.clear()
5477 }
5478
5479 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5480 if self.tasks.insert(key, value).is_some() {
5481 // This case should hopefully be rare, but just in case...
5482 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5483 }
5484 }
5485
5486 fn build_tasks_context(
5487 project: &Entity<Project>,
5488 buffer: &Entity<Buffer>,
5489 buffer_row: u32,
5490 tasks: &Arc<RunnableTasks>,
5491 cx: &mut Context<Self>,
5492 ) -> Task<Option<task::TaskContext>> {
5493 let position = Point::new(buffer_row, tasks.column);
5494 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5495 let location = Location {
5496 buffer: buffer.clone(),
5497 range: range_start..range_start,
5498 };
5499 // Fill in the environmental variables from the tree-sitter captures
5500 let mut captured_task_variables = TaskVariables::default();
5501 for (capture_name, value) in tasks.extra_variables.clone() {
5502 captured_task_variables.insert(
5503 task::VariableName::Custom(capture_name.into()),
5504 value.clone(),
5505 );
5506 }
5507 project.update(cx, |project, cx| {
5508 project.task_store().update(cx, |task_store, cx| {
5509 task_store.task_context_for_location(captured_task_variables, location, cx)
5510 })
5511 })
5512 }
5513
5514 pub fn spawn_nearest_task(
5515 &mut self,
5516 action: &SpawnNearestTask,
5517 window: &mut Window,
5518 cx: &mut Context<Self>,
5519 ) {
5520 let Some((workspace, _)) = self.workspace.clone() else {
5521 return;
5522 };
5523 let Some(project) = self.project.clone() else {
5524 return;
5525 };
5526
5527 // Try to find a closest, enclosing node using tree-sitter that has a
5528 // task
5529 let Some((buffer, buffer_row, tasks)) = self
5530 .find_enclosing_node_task(cx)
5531 // Or find the task that's closest in row-distance.
5532 .or_else(|| self.find_closest_task(cx))
5533 else {
5534 return;
5535 };
5536
5537 let reveal_strategy = action.reveal;
5538 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5539 cx.spawn_in(window, |_, mut cx| async move {
5540 let context = task_context.await?;
5541 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5542
5543 let resolved = resolved_task.resolved.as_mut()?;
5544 resolved.reveal = reveal_strategy;
5545
5546 workspace
5547 .update(&mut cx, |workspace, cx| {
5548 workspace::tasks::schedule_resolved_task(
5549 workspace,
5550 task_source_kind,
5551 resolved_task,
5552 false,
5553 cx,
5554 );
5555 })
5556 .ok()
5557 })
5558 .detach();
5559 }
5560
5561 fn find_closest_task(
5562 &mut self,
5563 cx: &mut Context<Self>,
5564 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5565 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5566
5567 let ((buffer_id, row), tasks) = self
5568 .tasks
5569 .iter()
5570 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5571
5572 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5573 let tasks = Arc::new(tasks.to_owned());
5574 Some((buffer, *row, tasks))
5575 }
5576
5577 fn find_enclosing_node_task(
5578 &mut self,
5579 cx: &mut Context<Self>,
5580 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5581 let snapshot = self.buffer.read(cx).snapshot(cx);
5582 let offset = self.selections.newest::<usize>(cx).head();
5583 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5584 let buffer_id = excerpt.buffer().remote_id();
5585
5586 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5587 let mut cursor = layer.node().walk();
5588
5589 while cursor.goto_first_child_for_byte(offset).is_some() {
5590 if cursor.node().end_byte() == offset {
5591 cursor.goto_next_sibling();
5592 }
5593 }
5594
5595 // Ascend to the smallest ancestor that contains the range and has a task.
5596 loop {
5597 let node = cursor.node();
5598 let node_range = node.byte_range();
5599 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5600
5601 // Check if this node contains our offset
5602 if node_range.start <= offset && node_range.end >= offset {
5603 // If it contains offset, check for task
5604 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5605 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5606 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5607 }
5608 }
5609
5610 if !cursor.goto_parent() {
5611 break;
5612 }
5613 }
5614 None
5615 }
5616
5617 fn render_run_indicator(
5618 &self,
5619 _style: &EditorStyle,
5620 is_active: bool,
5621 row: DisplayRow,
5622 cx: &mut Context<Self>,
5623 ) -> IconButton {
5624 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5625 .shape(ui::IconButtonShape::Square)
5626 .icon_size(IconSize::XSmall)
5627 .icon_color(Color::Muted)
5628 .toggle_state(is_active)
5629 .on_click(cx.listener(move |editor, _e, window, cx| {
5630 window.focus(&editor.focus_handle(cx));
5631 editor.toggle_code_actions(
5632 &ToggleCodeActions {
5633 deployed_from_indicator: Some(row),
5634 },
5635 window,
5636 cx,
5637 );
5638 }))
5639 }
5640
5641 pub fn context_menu_visible(&self) -> bool {
5642 !self.edit_prediction_preview_is_active()
5643 && self
5644 .context_menu
5645 .borrow()
5646 .as_ref()
5647 .map_or(false, |menu| menu.visible())
5648 }
5649
5650 fn context_menu_origin(&self) -> Option<ContextMenuOrigin> {
5651 self.context_menu
5652 .borrow()
5653 .as_ref()
5654 .map(|menu| menu.origin())
5655 }
5656
5657 fn edit_prediction_cursor_popover_height(&self) -> Pixels {
5658 px(30.)
5659 }
5660
5661 fn current_user_player_color(&self, cx: &mut App) -> PlayerColor {
5662 if self.read_only(cx) {
5663 cx.theme().players().read_only()
5664 } else {
5665 self.style.as_ref().unwrap().local_player
5666 }
5667 }
5668
5669 fn render_edit_prediction_accept_keybind(&self, window: &mut Window, cx: &App) -> Option<Div> {
5670 let accept_binding = self.accept_edit_prediction_keybind(window, cx);
5671 let accept_keystroke = accept_binding.keystroke()?;
5672
5673 let is_platform_style_mac = PlatformStyle::platform() == PlatformStyle::Mac;
5674
5675 let modifiers_color = if accept_keystroke.modifiers == window.modifiers() {
5676 Color::Accent
5677 } else {
5678 Color::Muted
5679 };
5680
5681 h_flex()
5682 .px_0p5()
5683 .when(is_platform_style_mac, |parent| parent.gap_0p5())
5684 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5685 .text_size(TextSize::XSmall.rems(cx))
5686 .child(h_flex().children(ui::render_modifiers(
5687 &accept_keystroke.modifiers,
5688 PlatformStyle::platform(),
5689 Some(modifiers_color),
5690 Some(IconSize::XSmall.rems().into()),
5691 true,
5692 )))
5693 .when(is_platform_style_mac, |parent| {
5694 parent.child(accept_keystroke.key.clone())
5695 })
5696 .when(!is_platform_style_mac, |parent| {
5697 parent.child(
5698 Key::new(
5699 util::capitalize(&accept_keystroke.key),
5700 Some(Color::Default),
5701 )
5702 .size(Some(IconSize::XSmall.rems().into())),
5703 )
5704 })
5705 .into()
5706 }
5707
5708 fn render_edit_prediction_line_popover(
5709 &self,
5710 label: impl Into<SharedString>,
5711 icon: Option<IconName>,
5712 window: &mut Window,
5713 cx: &App,
5714 ) -> Option<Div> {
5715 let bg_color = Self::edit_prediction_line_popover_bg_color(cx);
5716
5717 let padding_right = if icon.is_some() { px(4.) } else { px(8.) };
5718
5719 let result = h_flex()
5720 .gap_1()
5721 .border_1()
5722 .rounded_lg()
5723 .shadow_sm()
5724 .bg(bg_color)
5725 .border_color(cx.theme().colors().text_accent.opacity(0.4))
5726 .py_0p5()
5727 .pl_1()
5728 .pr(padding_right)
5729 .children(self.render_edit_prediction_accept_keybind(window, cx))
5730 .child(Label::new(label).size(LabelSize::Small))
5731 .when_some(icon, |element, icon| {
5732 element.child(
5733 div()
5734 .mt(px(1.5))
5735 .child(Icon::new(icon).size(IconSize::Small)),
5736 )
5737 });
5738
5739 Some(result)
5740 }
5741
5742 fn edit_prediction_line_popover_bg_color(cx: &App) -> Hsla {
5743 let accent_color = cx.theme().colors().text_accent;
5744 let editor_bg_color = cx.theme().colors().editor_background;
5745 editor_bg_color.blend(accent_color.opacity(0.1))
5746 }
5747
5748 #[allow(clippy::too_many_arguments)]
5749 fn render_edit_prediction_cursor_popover(
5750 &self,
5751 min_width: Pixels,
5752 max_width: Pixels,
5753 cursor_point: Point,
5754 style: &EditorStyle,
5755 accept_keystroke: &gpui::Keystroke,
5756 _window: &Window,
5757 cx: &mut Context<Editor>,
5758 ) -> Option<AnyElement> {
5759 let provider = self.edit_prediction_provider.as_ref()?;
5760
5761 if provider.provider.needs_terms_acceptance(cx) {
5762 return Some(
5763 h_flex()
5764 .min_w(min_width)
5765 .flex_1()
5766 .px_2()
5767 .py_1()
5768 .gap_3()
5769 .elevation_2(cx)
5770 .hover(|style| style.bg(cx.theme().colors().element_hover))
5771 .id("accept-terms")
5772 .cursor_pointer()
5773 .on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
5774 .on_click(cx.listener(|this, _event, window, cx| {
5775 cx.stop_propagation();
5776 this.report_editor_event("Edit Prediction Provider ToS Clicked", None, cx);
5777 window.dispatch_action(
5778 zed_actions::OpenZedPredictOnboarding.boxed_clone(),
5779 cx,
5780 );
5781 }))
5782 .child(
5783 h_flex()
5784 .flex_1()
5785 .gap_2()
5786 .child(Icon::new(IconName::ZedPredict))
5787 .child(Label::new("Accept Terms of Service"))
5788 .child(div().w_full())
5789 .child(
5790 Icon::new(IconName::ArrowUpRight)
5791 .color(Color::Muted)
5792 .size(IconSize::Small),
5793 )
5794 .into_any_element(),
5795 )
5796 .into_any(),
5797 );
5798 }
5799
5800 let is_refreshing = provider.provider.is_refreshing(cx);
5801
5802 fn pending_completion_container() -> Div {
5803 h_flex()
5804 .h_full()
5805 .flex_1()
5806 .gap_2()
5807 .child(Icon::new(IconName::ZedPredict))
5808 }
5809
5810 let completion = match &self.active_inline_completion {
5811 Some(completion) => match &completion.completion {
5812 InlineCompletion::Move {
5813 target, snapshot, ..
5814 } if !self.has_visible_completions_menu() => {
5815 use text::ToPoint as _;
5816
5817 return Some(
5818 h_flex()
5819 .px_2()
5820 .py_1()
5821 .elevation_2(cx)
5822 .border_color(cx.theme().colors().border)
5823 .rounded_tl(px(0.))
5824 .gap_2()
5825 .child(
5826 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5827 Icon::new(IconName::ZedPredictDown)
5828 } else {
5829 Icon::new(IconName::ZedPredictUp)
5830 },
5831 )
5832 .child(Label::new("Hold").size(LabelSize::Small))
5833 .child(h_flex().children(ui::render_modifiers(
5834 &accept_keystroke.modifiers,
5835 PlatformStyle::platform(),
5836 Some(Color::Default),
5837 Some(IconSize::Small.rems().into()),
5838 false,
5839 )))
5840 .into_any(),
5841 );
5842 }
5843 _ => self.render_edit_prediction_cursor_popover_preview(
5844 completion,
5845 cursor_point,
5846 style,
5847 cx,
5848 )?,
5849 },
5850
5851 None if is_refreshing => match &self.stale_inline_completion_in_menu {
5852 Some(stale_completion) => self.render_edit_prediction_cursor_popover_preview(
5853 stale_completion,
5854 cursor_point,
5855 style,
5856 cx,
5857 )?,
5858
5859 None => {
5860 pending_completion_container().child(Label::new("...").size(LabelSize::Small))
5861 }
5862 },
5863
5864 None => pending_completion_container().child(Label::new("No Prediction")),
5865 };
5866
5867 let completion = if is_refreshing {
5868 completion
5869 .with_animation(
5870 "loading-completion",
5871 Animation::new(Duration::from_secs(2))
5872 .repeat()
5873 .with_easing(pulsating_between(0.4, 0.8)),
5874 |label, delta| label.opacity(delta),
5875 )
5876 .into_any_element()
5877 } else {
5878 completion.into_any_element()
5879 };
5880
5881 let has_completion = self.active_inline_completion.is_some();
5882
5883 let is_platform_style_mac = PlatformStyle::platform() == PlatformStyle::Mac;
5884 Some(
5885 h_flex()
5886 .min_w(min_width)
5887 .max_w(max_width)
5888 .flex_1()
5889 .elevation_2(cx)
5890 .border_color(cx.theme().colors().border)
5891 .child(
5892 div()
5893 .flex_1()
5894 .py_1()
5895 .px_2()
5896 .overflow_hidden()
5897 .child(completion),
5898 )
5899 .child(
5900 h_flex()
5901 .h_full()
5902 .border_l_1()
5903 .rounded_r_lg()
5904 .border_color(cx.theme().colors().border)
5905 .bg(Self::edit_prediction_line_popover_bg_color(cx))
5906 .gap_1()
5907 .py_1()
5908 .px_2()
5909 .child(
5910 h_flex()
5911 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5912 .when(is_platform_style_mac, |parent| parent.gap_1())
5913 .child(h_flex().children(ui::render_modifiers(
5914 &accept_keystroke.modifiers,
5915 PlatformStyle::platform(),
5916 Some(if !has_completion {
5917 Color::Muted
5918 } else {
5919 Color::Default
5920 }),
5921 None,
5922 false,
5923 ))),
5924 )
5925 .child(Label::new("Preview").into_any_element())
5926 .opacity(if has_completion { 1.0 } else { 0.4 }),
5927 )
5928 .into_any(),
5929 )
5930 }
5931
5932 fn render_edit_prediction_cursor_popover_preview(
5933 &self,
5934 completion: &InlineCompletionState,
5935 cursor_point: Point,
5936 style: &EditorStyle,
5937 cx: &mut Context<Editor>,
5938 ) -> Option<Div> {
5939 use text::ToPoint as _;
5940
5941 fn render_relative_row_jump(
5942 prefix: impl Into<String>,
5943 current_row: u32,
5944 target_row: u32,
5945 ) -> Div {
5946 let (row_diff, arrow) = if target_row < current_row {
5947 (current_row - target_row, IconName::ArrowUp)
5948 } else {
5949 (target_row - current_row, IconName::ArrowDown)
5950 };
5951
5952 h_flex()
5953 .child(
5954 Label::new(format!("{}{}", prefix.into(), row_diff))
5955 .color(Color::Muted)
5956 .size(LabelSize::Small),
5957 )
5958 .child(Icon::new(arrow).color(Color::Muted).size(IconSize::Small))
5959 }
5960
5961 match &completion.completion {
5962 InlineCompletion::Move {
5963 target, snapshot, ..
5964 } => Some(
5965 h_flex()
5966 .px_2()
5967 .gap_2()
5968 .flex_1()
5969 .child(
5970 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5971 Icon::new(IconName::ZedPredictDown)
5972 } else {
5973 Icon::new(IconName::ZedPredictUp)
5974 },
5975 )
5976 .child(Label::new("Jump to Edit")),
5977 ),
5978
5979 InlineCompletion::Edit {
5980 edits,
5981 edit_preview,
5982 snapshot,
5983 display_mode: _,
5984 } => {
5985 let first_edit_row = edits.first()?.0.start.text_anchor.to_point(&snapshot).row;
5986
5987 let (highlighted_edits, has_more_lines) = crate::inline_completion_edit_text(
5988 &snapshot,
5989 &edits,
5990 edit_preview.as_ref()?,
5991 true,
5992 cx,
5993 )
5994 .first_line_preview();
5995
5996 let styled_text = gpui::StyledText::new(highlighted_edits.text)
5997 .with_highlights(&style.text, highlighted_edits.highlights);
5998
5999 let preview = h_flex()
6000 .gap_1()
6001 .min_w_16()
6002 .child(styled_text)
6003 .when(has_more_lines, |parent| parent.child("…"));
6004
6005 let left = if first_edit_row != cursor_point.row {
6006 render_relative_row_jump("", cursor_point.row, first_edit_row)
6007 .into_any_element()
6008 } else {
6009 Icon::new(IconName::ZedPredict).into_any_element()
6010 };
6011
6012 Some(
6013 h_flex()
6014 .h_full()
6015 .flex_1()
6016 .gap_2()
6017 .pr_1()
6018 .overflow_x_hidden()
6019 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
6020 .child(left)
6021 .child(preview),
6022 )
6023 }
6024 }
6025 }
6026
6027 fn render_context_menu(
6028 &self,
6029 style: &EditorStyle,
6030 max_height_in_lines: u32,
6031 y_flipped: bool,
6032 window: &mut Window,
6033 cx: &mut Context<Editor>,
6034 ) -> Option<AnyElement> {
6035 let menu = self.context_menu.borrow();
6036 let menu = menu.as_ref()?;
6037 if !menu.visible() {
6038 return None;
6039 };
6040 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
6041 }
6042
6043 fn render_context_menu_aside(
6044 &self,
6045 style: &EditorStyle,
6046 max_size: Size<Pixels>,
6047 cx: &mut Context<Editor>,
6048 ) -> Option<AnyElement> {
6049 self.context_menu.borrow().as_ref().and_then(|menu| {
6050 if menu.visible() {
6051 menu.render_aside(
6052 style,
6053 max_size,
6054 self.workspace.as_ref().map(|(w, _)| w.clone()),
6055 cx,
6056 )
6057 } else {
6058 None
6059 }
6060 })
6061 }
6062
6063 fn hide_context_menu(
6064 &mut self,
6065 window: &mut Window,
6066 cx: &mut Context<Self>,
6067 ) -> Option<CodeContextMenu> {
6068 cx.notify();
6069 self.completion_tasks.clear();
6070 let context_menu = self.context_menu.borrow_mut().take();
6071 self.stale_inline_completion_in_menu.take();
6072 self.update_visible_inline_completion(window, cx);
6073 context_menu
6074 }
6075
6076 fn show_snippet_choices(
6077 &mut self,
6078 choices: &Vec<String>,
6079 selection: Range<Anchor>,
6080 cx: &mut Context<Self>,
6081 ) {
6082 if selection.start.buffer_id.is_none() {
6083 return;
6084 }
6085 let buffer_id = selection.start.buffer_id.unwrap();
6086 let buffer = self.buffer().read(cx).buffer(buffer_id);
6087 let id = post_inc(&mut self.next_completion_id);
6088
6089 if let Some(buffer) = buffer {
6090 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
6091 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
6092 ));
6093 }
6094 }
6095
6096 pub fn insert_snippet(
6097 &mut self,
6098 insertion_ranges: &[Range<usize>],
6099 snippet: Snippet,
6100 window: &mut Window,
6101 cx: &mut Context<Self>,
6102 ) -> Result<()> {
6103 struct Tabstop<T> {
6104 is_end_tabstop: bool,
6105 ranges: Vec<Range<T>>,
6106 choices: Option<Vec<String>>,
6107 }
6108
6109 let tabstops = self.buffer.update(cx, |buffer, cx| {
6110 let snippet_text: Arc<str> = snippet.text.clone().into();
6111 buffer.edit(
6112 insertion_ranges
6113 .iter()
6114 .cloned()
6115 .map(|range| (range, snippet_text.clone())),
6116 Some(AutoindentMode::EachLine),
6117 cx,
6118 );
6119
6120 let snapshot = &*buffer.read(cx);
6121 let snippet = &snippet;
6122 snippet
6123 .tabstops
6124 .iter()
6125 .map(|tabstop| {
6126 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
6127 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
6128 });
6129 let mut tabstop_ranges = tabstop
6130 .ranges
6131 .iter()
6132 .flat_map(|tabstop_range| {
6133 let mut delta = 0_isize;
6134 insertion_ranges.iter().map(move |insertion_range| {
6135 let insertion_start = insertion_range.start as isize + delta;
6136 delta +=
6137 snippet.text.len() as isize - insertion_range.len() as isize;
6138
6139 let start = ((insertion_start + tabstop_range.start) as usize)
6140 .min(snapshot.len());
6141 let end = ((insertion_start + tabstop_range.end) as usize)
6142 .min(snapshot.len());
6143 snapshot.anchor_before(start)..snapshot.anchor_after(end)
6144 })
6145 })
6146 .collect::<Vec<_>>();
6147 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
6148
6149 Tabstop {
6150 is_end_tabstop,
6151 ranges: tabstop_ranges,
6152 choices: tabstop.choices.clone(),
6153 }
6154 })
6155 .collect::<Vec<_>>()
6156 });
6157 if let Some(tabstop) = tabstops.first() {
6158 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6159 s.select_ranges(tabstop.ranges.iter().cloned());
6160 });
6161
6162 if let Some(choices) = &tabstop.choices {
6163 if let Some(selection) = tabstop.ranges.first() {
6164 self.show_snippet_choices(choices, selection.clone(), cx)
6165 }
6166 }
6167
6168 // If we're already at the last tabstop and it's at the end of the snippet,
6169 // we're done, we don't need to keep the state around.
6170 if !tabstop.is_end_tabstop {
6171 let choices = tabstops
6172 .iter()
6173 .map(|tabstop| tabstop.choices.clone())
6174 .collect();
6175
6176 let ranges = tabstops
6177 .into_iter()
6178 .map(|tabstop| tabstop.ranges)
6179 .collect::<Vec<_>>();
6180
6181 self.snippet_stack.push(SnippetState {
6182 active_index: 0,
6183 ranges,
6184 choices,
6185 });
6186 }
6187
6188 // Check whether the just-entered snippet ends with an auto-closable bracket.
6189 if self.autoclose_regions.is_empty() {
6190 let snapshot = self.buffer.read(cx).snapshot(cx);
6191 for selection in &mut self.selections.all::<Point>(cx) {
6192 let selection_head = selection.head();
6193 let Some(scope) = snapshot.language_scope_at(selection_head) else {
6194 continue;
6195 };
6196
6197 let mut bracket_pair = None;
6198 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
6199 let prev_chars = snapshot
6200 .reversed_chars_at(selection_head)
6201 .collect::<String>();
6202 for (pair, enabled) in scope.brackets() {
6203 if enabled
6204 && pair.close
6205 && prev_chars.starts_with(pair.start.as_str())
6206 && next_chars.starts_with(pair.end.as_str())
6207 {
6208 bracket_pair = Some(pair.clone());
6209 break;
6210 }
6211 }
6212 if let Some(pair) = bracket_pair {
6213 let start = snapshot.anchor_after(selection_head);
6214 let end = snapshot.anchor_after(selection_head);
6215 self.autoclose_regions.push(AutocloseRegion {
6216 selection_id: selection.id,
6217 range: start..end,
6218 pair,
6219 });
6220 }
6221 }
6222 }
6223 }
6224 Ok(())
6225 }
6226
6227 pub fn move_to_next_snippet_tabstop(
6228 &mut self,
6229 window: &mut Window,
6230 cx: &mut Context<Self>,
6231 ) -> bool {
6232 self.move_to_snippet_tabstop(Bias::Right, window, cx)
6233 }
6234
6235 pub fn move_to_prev_snippet_tabstop(
6236 &mut self,
6237 window: &mut Window,
6238 cx: &mut Context<Self>,
6239 ) -> bool {
6240 self.move_to_snippet_tabstop(Bias::Left, window, cx)
6241 }
6242
6243 pub fn move_to_snippet_tabstop(
6244 &mut self,
6245 bias: Bias,
6246 window: &mut Window,
6247 cx: &mut Context<Self>,
6248 ) -> bool {
6249 if let Some(mut snippet) = self.snippet_stack.pop() {
6250 match bias {
6251 Bias::Left => {
6252 if snippet.active_index > 0 {
6253 snippet.active_index -= 1;
6254 } else {
6255 self.snippet_stack.push(snippet);
6256 return false;
6257 }
6258 }
6259 Bias::Right => {
6260 if snippet.active_index + 1 < snippet.ranges.len() {
6261 snippet.active_index += 1;
6262 } else {
6263 self.snippet_stack.push(snippet);
6264 return false;
6265 }
6266 }
6267 }
6268 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
6269 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6270 s.select_anchor_ranges(current_ranges.iter().cloned())
6271 });
6272
6273 if let Some(choices) = &snippet.choices[snippet.active_index] {
6274 if let Some(selection) = current_ranges.first() {
6275 self.show_snippet_choices(&choices, selection.clone(), cx);
6276 }
6277 }
6278
6279 // If snippet state is not at the last tabstop, push it back on the stack
6280 if snippet.active_index + 1 < snippet.ranges.len() {
6281 self.snippet_stack.push(snippet);
6282 }
6283 return true;
6284 }
6285 }
6286
6287 false
6288 }
6289
6290 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6291 self.transact(window, cx, |this, window, cx| {
6292 this.select_all(&SelectAll, window, cx);
6293 this.insert("", window, cx);
6294 });
6295 }
6296
6297 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
6298 self.transact(window, cx, |this, window, cx| {
6299 this.select_autoclose_pair(window, cx);
6300 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
6301 if !this.linked_edit_ranges.is_empty() {
6302 let selections = this.selections.all::<MultiBufferPoint>(cx);
6303 let snapshot = this.buffer.read(cx).snapshot(cx);
6304
6305 for selection in selections.iter() {
6306 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
6307 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
6308 if selection_start.buffer_id != selection_end.buffer_id {
6309 continue;
6310 }
6311 if let Some(ranges) =
6312 this.linked_editing_ranges_for(selection_start..selection_end, cx)
6313 {
6314 for (buffer, entries) in ranges {
6315 linked_ranges.entry(buffer).or_default().extend(entries);
6316 }
6317 }
6318 }
6319 }
6320
6321 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
6322 if !this.selections.line_mode {
6323 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
6324 for selection in &mut selections {
6325 if selection.is_empty() {
6326 let old_head = selection.head();
6327 let mut new_head =
6328 movement::left(&display_map, old_head.to_display_point(&display_map))
6329 .to_point(&display_map);
6330 if let Some((buffer, line_buffer_range)) = display_map
6331 .buffer_snapshot
6332 .buffer_line_for_row(MultiBufferRow(old_head.row))
6333 {
6334 let indent_size =
6335 buffer.indent_size_for_line(line_buffer_range.start.row);
6336 let indent_len = match indent_size.kind {
6337 IndentKind::Space => {
6338 buffer.settings_at(line_buffer_range.start, cx).tab_size
6339 }
6340 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
6341 };
6342 if old_head.column <= indent_size.len && old_head.column > 0 {
6343 let indent_len = indent_len.get();
6344 new_head = cmp::min(
6345 new_head,
6346 MultiBufferPoint::new(
6347 old_head.row,
6348 ((old_head.column - 1) / indent_len) * indent_len,
6349 ),
6350 );
6351 }
6352 }
6353
6354 selection.set_head(new_head, SelectionGoal::None);
6355 }
6356 }
6357 }
6358
6359 this.signature_help_state.set_backspace_pressed(true);
6360 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6361 s.select(selections)
6362 });
6363 this.insert("", window, cx);
6364 let empty_str: Arc<str> = Arc::from("");
6365 for (buffer, edits) in linked_ranges {
6366 let snapshot = buffer.read(cx).snapshot();
6367 use text::ToPoint as TP;
6368
6369 let edits = edits
6370 .into_iter()
6371 .map(|range| {
6372 let end_point = TP::to_point(&range.end, &snapshot);
6373 let mut start_point = TP::to_point(&range.start, &snapshot);
6374
6375 if end_point == start_point {
6376 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
6377 .saturating_sub(1);
6378 start_point =
6379 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
6380 };
6381
6382 (start_point..end_point, empty_str.clone())
6383 })
6384 .sorted_by_key(|(range, _)| range.start)
6385 .collect::<Vec<_>>();
6386 buffer.update(cx, |this, cx| {
6387 this.edit(edits, None, cx);
6388 })
6389 }
6390 this.refresh_inline_completion(true, false, window, cx);
6391 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
6392 });
6393 }
6394
6395 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
6396 self.transact(window, cx, |this, window, cx| {
6397 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6398 let line_mode = s.line_mode;
6399 s.move_with(|map, selection| {
6400 if selection.is_empty() && !line_mode {
6401 let cursor = movement::right(map, selection.head());
6402 selection.end = cursor;
6403 selection.reversed = true;
6404 selection.goal = SelectionGoal::None;
6405 }
6406 })
6407 });
6408 this.insert("", window, cx);
6409 this.refresh_inline_completion(true, false, window, cx);
6410 });
6411 }
6412
6413 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
6414 if self.move_to_prev_snippet_tabstop(window, cx) {
6415 return;
6416 }
6417
6418 self.outdent(&Outdent, window, cx);
6419 }
6420
6421 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
6422 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
6423 return;
6424 }
6425
6426 let mut selections = self.selections.all_adjusted(cx);
6427 let buffer = self.buffer.read(cx);
6428 let snapshot = buffer.snapshot(cx);
6429 let rows_iter = selections.iter().map(|s| s.head().row);
6430 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
6431
6432 let mut edits = Vec::new();
6433 let mut prev_edited_row = 0;
6434 let mut row_delta = 0;
6435 for selection in &mut selections {
6436 if selection.start.row != prev_edited_row {
6437 row_delta = 0;
6438 }
6439 prev_edited_row = selection.end.row;
6440
6441 // If the selection is non-empty, then increase the indentation of the selected lines.
6442 if !selection.is_empty() {
6443 row_delta =
6444 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6445 continue;
6446 }
6447
6448 // If the selection is empty and the cursor is in the leading whitespace before the
6449 // suggested indentation, then auto-indent the line.
6450 let cursor = selection.head();
6451 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
6452 if let Some(suggested_indent) =
6453 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
6454 {
6455 if cursor.column < suggested_indent.len
6456 && cursor.column <= current_indent.len
6457 && current_indent.len <= suggested_indent.len
6458 {
6459 selection.start = Point::new(cursor.row, suggested_indent.len);
6460 selection.end = selection.start;
6461 if row_delta == 0 {
6462 edits.extend(Buffer::edit_for_indent_size_adjustment(
6463 cursor.row,
6464 current_indent,
6465 suggested_indent,
6466 ));
6467 row_delta = suggested_indent.len - current_indent.len;
6468 }
6469 continue;
6470 }
6471 }
6472
6473 // Otherwise, insert a hard or soft tab.
6474 let settings = buffer.settings_at(cursor, cx);
6475 let tab_size = if settings.hard_tabs {
6476 IndentSize::tab()
6477 } else {
6478 let tab_size = settings.tab_size.get();
6479 let char_column = snapshot
6480 .text_for_range(Point::new(cursor.row, 0)..cursor)
6481 .flat_map(str::chars)
6482 .count()
6483 + row_delta as usize;
6484 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
6485 IndentSize::spaces(chars_to_next_tab_stop)
6486 };
6487 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
6488 selection.end = selection.start;
6489 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
6490 row_delta += tab_size.len;
6491 }
6492
6493 self.transact(window, cx, |this, window, cx| {
6494 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6495 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6496 s.select(selections)
6497 });
6498 this.refresh_inline_completion(true, false, window, cx);
6499 });
6500 }
6501
6502 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
6503 if self.read_only(cx) {
6504 return;
6505 }
6506 let mut selections = self.selections.all::<Point>(cx);
6507 let mut prev_edited_row = 0;
6508 let mut row_delta = 0;
6509 let mut edits = Vec::new();
6510 let buffer = self.buffer.read(cx);
6511 let snapshot = buffer.snapshot(cx);
6512 for selection in &mut selections {
6513 if selection.start.row != prev_edited_row {
6514 row_delta = 0;
6515 }
6516 prev_edited_row = selection.end.row;
6517
6518 row_delta =
6519 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6520 }
6521
6522 self.transact(window, cx, |this, window, cx| {
6523 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6524 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6525 s.select(selections)
6526 });
6527 });
6528 }
6529
6530 fn indent_selection(
6531 buffer: &MultiBuffer,
6532 snapshot: &MultiBufferSnapshot,
6533 selection: &mut Selection<Point>,
6534 edits: &mut Vec<(Range<Point>, String)>,
6535 delta_for_start_row: u32,
6536 cx: &App,
6537 ) -> u32 {
6538 let settings = buffer.settings_at(selection.start, cx);
6539 let tab_size = settings.tab_size.get();
6540 let indent_kind = if settings.hard_tabs {
6541 IndentKind::Tab
6542 } else {
6543 IndentKind::Space
6544 };
6545 let mut start_row = selection.start.row;
6546 let mut end_row = selection.end.row + 1;
6547
6548 // If a selection ends at the beginning of a line, don't indent
6549 // that last line.
6550 if selection.end.column == 0 && selection.end.row > selection.start.row {
6551 end_row -= 1;
6552 }
6553
6554 // Avoid re-indenting a row that has already been indented by a
6555 // previous selection, but still update this selection's column
6556 // to reflect that indentation.
6557 if delta_for_start_row > 0 {
6558 start_row += 1;
6559 selection.start.column += delta_for_start_row;
6560 if selection.end.row == selection.start.row {
6561 selection.end.column += delta_for_start_row;
6562 }
6563 }
6564
6565 let mut delta_for_end_row = 0;
6566 let has_multiple_rows = start_row + 1 != end_row;
6567 for row in start_row..end_row {
6568 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6569 let indent_delta = match (current_indent.kind, indent_kind) {
6570 (IndentKind::Space, IndentKind::Space) => {
6571 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6572 IndentSize::spaces(columns_to_next_tab_stop)
6573 }
6574 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6575 (_, IndentKind::Tab) => IndentSize::tab(),
6576 };
6577
6578 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6579 0
6580 } else {
6581 selection.start.column
6582 };
6583 let row_start = Point::new(row, start);
6584 edits.push((
6585 row_start..row_start,
6586 indent_delta.chars().collect::<String>(),
6587 ));
6588
6589 // Update this selection's endpoints to reflect the indentation.
6590 if row == selection.start.row {
6591 selection.start.column += indent_delta.len;
6592 }
6593 if row == selection.end.row {
6594 selection.end.column += indent_delta.len;
6595 delta_for_end_row = indent_delta.len;
6596 }
6597 }
6598
6599 if selection.start.row == selection.end.row {
6600 delta_for_start_row + delta_for_end_row
6601 } else {
6602 delta_for_end_row
6603 }
6604 }
6605
6606 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6607 if self.read_only(cx) {
6608 return;
6609 }
6610 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6611 let selections = self.selections.all::<Point>(cx);
6612 let mut deletion_ranges = Vec::new();
6613 let mut last_outdent = None;
6614 {
6615 let buffer = self.buffer.read(cx);
6616 let snapshot = buffer.snapshot(cx);
6617 for selection in &selections {
6618 let settings = buffer.settings_at(selection.start, cx);
6619 let tab_size = settings.tab_size.get();
6620 let mut rows = selection.spanned_rows(false, &display_map);
6621
6622 // Avoid re-outdenting a row that has already been outdented by a
6623 // previous selection.
6624 if let Some(last_row) = last_outdent {
6625 if last_row == rows.start {
6626 rows.start = rows.start.next_row();
6627 }
6628 }
6629 let has_multiple_rows = rows.len() > 1;
6630 for row in rows.iter_rows() {
6631 let indent_size = snapshot.indent_size_for_line(row);
6632 if indent_size.len > 0 {
6633 let deletion_len = match indent_size.kind {
6634 IndentKind::Space => {
6635 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6636 if columns_to_prev_tab_stop == 0 {
6637 tab_size
6638 } else {
6639 columns_to_prev_tab_stop
6640 }
6641 }
6642 IndentKind::Tab => 1,
6643 };
6644 let start = if has_multiple_rows
6645 || deletion_len > selection.start.column
6646 || indent_size.len < selection.start.column
6647 {
6648 0
6649 } else {
6650 selection.start.column - deletion_len
6651 };
6652 deletion_ranges.push(
6653 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6654 );
6655 last_outdent = Some(row);
6656 }
6657 }
6658 }
6659 }
6660
6661 self.transact(window, cx, |this, window, cx| {
6662 this.buffer.update(cx, |buffer, cx| {
6663 let empty_str: Arc<str> = Arc::default();
6664 buffer.edit(
6665 deletion_ranges
6666 .into_iter()
6667 .map(|range| (range, empty_str.clone())),
6668 None,
6669 cx,
6670 );
6671 });
6672 let selections = this.selections.all::<usize>(cx);
6673 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6674 s.select(selections)
6675 });
6676 });
6677 }
6678
6679 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6680 if self.read_only(cx) {
6681 return;
6682 }
6683 let selections = self
6684 .selections
6685 .all::<usize>(cx)
6686 .into_iter()
6687 .map(|s| s.range());
6688
6689 self.transact(window, cx, |this, window, cx| {
6690 this.buffer.update(cx, |buffer, cx| {
6691 buffer.autoindent_ranges(selections, cx);
6692 });
6693 let selections = this.selections.all::<usize>(cx);
6694 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6695 s.select(selections)
6696 });
6697 });
6698 }
6699
6700 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6701 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6702 let selections = self.selections.all::<Point>(cx);
6703
6704 let mut new_cursors = Vec::new();
6705 let mut edit_ranges = Vec::new();
6706 let mut selections = selections.iter().peekable();
6707 while let Some(selection) = selections.next() {
6708 let mut rows = selection.spanned_rows(false, &display_map);
6709 let goal_display_column = selection.head().to_display_point(&display_map).column();
6710
6711 // Accumulate contiguous regions of rows that we want to delete.
6712 while let Some(next_selection) = selections.peek() {
6713 let next_rows = next_selection.spanned_rows(false, &display_map);
6714 if next_rows.start <= rows.end {
6715 rows.end = next_rows.end;
6716 selections.next().unwrap();
6717 } else {
6718 break;
6719 }
6720 }
6721
6722 let buffer = &display_map.buffer_snapshot;
6723 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6724 let edit_end;
6725 let cursor_buffer_row;
6726 if buffer.max_point().row >= rows.end.0 {
6727 // If there's a line after the range, delete the \n from the end of the row range
6728 // and position the cursor on the next line.
6729 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6730 cursor_buffer_row = rows.end;
6731 } else {
6732 // If there isn't a line after the range, delete the \n from the line before the
6733 // start of the row range and position the cursor there.
6734 edit_start = edit_start.saturating_sub(1);
6735 edit_end = buffer.len();
6736 cursor_buffer_row = rows.start.previous_row();
6737 }
6738
6739 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6740 *cursor.column_mut() =
6741 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6742
6743 new_cursors.push((
6744 selection.id,
6745 buffer.anchor_after(cursor.to_point(&display_map)),
6746 ));
6747 edit_ranges.push(edit_start..edit_end);
6748 }
6749
6750 self.transact(window, cx, |this, window, cx| {
6751 let buffer = this.buffer.update(cx, |buffer, cx| {
6752 let empty_str: Arc<str> = Arc::default();
6753 buffer.edit(
6754 edit_ranges
6755 .into_iter()
6756 .map(|range| (range, empty_str.clone())),
6757 None,
6758 cx,
6759 );
6760 buffer.snapshot(cx)
6761 });
6762 let new_selections = new_cursors
6763 .into_iter()
6764 .map(|(id, cursor)| {
6765 let cursor = cursor.to_point(&buffer);
6766 Selection {
6767 id,
6768 start: cursor,
6769 end: cursor,
6770 reversed: false,
6771 goal: SelectionGoal::None,
6772 }
6773 })
6774 .collect();
6775
6776 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6777 s.select(new_selections);
6778 });
6779 });
6780 }
6781
6782 pub fn join_lines_impl(
6783 &mut self,
6784 insert_whitespace: bool,
6785 window: &mut Window,
6786 cx: &mut Context<Self>,
6787 ) {
6788 if self.read_only(cx) {
6789 return;
6790 }
6791 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6792 for selection in self.selections.all::<Point>(cx) {
6793 let start = MultiBufferRow(selection.start.row);
6794 // Treat single line selections as if they include the next line. Otherwise this action
6795 // would do nothing for single line selections individual cursors.
6796 let end = if selection.start.row == selection.end.row {
6797 MultiBufferRow(selection.start.row + 1)
6798 } else {
6799 MultiBufferRow(selection.end.row)
6800 };
6801
6802 if let Some(last_row_range) = row_ranges.last_mut() {
6803 if start <= last_row_range.end {
6804 last_row_range.end = end;
6805 continue;
6806 }
6807 }
6808 row_ranges.push(start..end);
6809 }
6810
6811 let snapshot = self.buffer.read(cx).snapshot(cx);
6812 let mut cursor_positions = Vec::new();
6813 for row_range in &row_ranges {
6814 let anchor = snapshot.anchor_before(Point::new(
6815 row_range.end.previous_row().0,
6816 snapshot.line_len(row_range.end.previous_row()),
6817 ));
6818 cursor_positions.push(anchor..anchor);
6819 }
6820
6821 self.transact(window, cx, |this, window, cx| {
6822 for row_range in row_ranges.into_iter().rev() {
6823 for row in row_range.iter_rows().rev() {
6824 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6825 let next_line_row = row.next_row();
6826 let indent = snapshot.indent_size_for_line(next_line_row);
6827 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6828
6829 let replace =
6830 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6831 " "
6832 } else {
6833 ""
6834 };
6835
6836 this.buffer.update(cx, |buffer, cx| {
6837 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6838 });
6839 }
6840 }
6841
6842 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6843 s.select_anchor_ranges(cursor_positions)
6844 });
6845 });
6846 }
6847
6848 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6849 self.join_lines_impl(true, window, cx);
6850 }
6851
6852 pub fn sort_lines_case_sensitive(
6853 &mut self,
6854 _: &SortLinesCaseSensitive,
6855 window: &mut Window,
6856 cx: &mut Context<Self>,
6857 ) {
6858 self.manipulate_lines(window, cx, |lines| lines.sort())
6859 }
6860
6861 pub fn sort_lines_case_insensitive(
6862 &mut self,
6863 _: &SortLinesCaseInsensitive,
6864 window: &mut Window,
6865 cx: &mut Context<Self>,
6866 ) {
6867 self.manipulate_lines(window, cx, |lines| {
6868 lines.sort_by_key(|line| line.to_lowercase())
6869 })
6870 }
6871
6872 pub fn unique_lines_case_insensitive(
6873 &mut self,
6874 _: &UniqueLinesCaseInsensitive,
6875 window: &mut Window,
6876 cx: &mut Context<Self>,
6877 ) {
6878 self.manipulate_lines(window, cx, |lines| {
6879 let mut seen = HashSet::default();
6880 lines.retain(|line| seen.insert(line.to_lowercase()));
6881 })
6882 }
6883
6884 pub fn unique_lines_case_sensitive(
6885 &mut self,
6886 _: &UniqueLinesCaseSensitive,
6887 window: &mut Window,
6888 cx: &mut Context<Self>,
6889 ) {
6890 self.manipulate_lines(window, cx, |lines| {
6891 let mut seen = HashSet::default();
6892 lines.retain(|line| seen.insert(*line));
6893 })
6894 }
6895
6896 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6897 let mut revert_changes = HashMap::default();
6898 let snapshot = self.snapshot(window, cx);
6899 for hunk in snapshot
6900 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6901 {
6902 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6903 }
6904 if !revert_changes.is_empty() {
6905 self.transact(window, cx, |editor, window, cx| {
6906 editor.revert(revert_changes, window, cx);
6907 });
6908 }
6909 }
6910
6911 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6912 let Some(project) = self.project.clone() else {
6913 return;
6914 };
6915 self.reload(project, window, cx)
6916 .detach_and_notify_err(window, cx);
6917 }
6918
6919 pub fn revert_selected_hunks(
6920 &mut self,
6921 _: &RevertSelectedHunks,
6922 window: &mut Window,
6923 cx: &mut Context<Self>,
6924 ) {
6925 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6926 self.revert_hunks_in_ranges(selections, window, cx);
6927 }
6928
6929 fn revert_hunks_in_ranges(
6930 &mut self,
6931 ranges: impl Iterator<Item = Range<Point>>,
6932 window: &mut Window,
6933 cx: &mut Context<Editor>,
6934 ) {
6935 let mut revert_changes = HashMap::default();
6936 let snapshot = self.snapshot(window, cx);
6937 for hunk in &snapshot.hunks_for_ranges(ranges) {
6938 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6939 }
6940 if !revert_changes.is_empty() {
6941 self.transact(window, cx, |editor, window, cx| {
6942 editor.revert(revert_changes, window, cx);
6943 });
6944 }
6945 }
6946
6947 pub fn open_active_item_in_terminal(
6948 &mut self,
6949 _: &OpenInTerminal,
6950 window: &mut Window,
6951 cx: &mut Context<Self>,
6952 ) {
6953 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6954 let project_path = buffer.read(cx).project_path(cx)?;
6955 let project = self.project.as_ref()?.read(cx);
6956 let entry = project.entry_for_path(&project_path, cx)?;
6957 let parent = match &entry.canonical_path {
6958 Some(canonical_path) => canonical_path.to_path_buf(),
6959 None => project.absolute_path(&project_path, cx)?,
6960 }
6961 .parent()?
6962 .to_path_buf();
6963 Some(parent)
6964 }) {
6965 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6966 }
6967 }
6968
6969 pub fn prepare_revert_change(
6970 &self,
6971 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6972 hunk: &MultiBufferDiffHunk,
6973 cx: &mut App,
6974 ) -> Option<()> {
6975 let buffer = self.buffer.read(cx);
6976 let diff = buffer.diff_for(hunk.buffer_id)?;
6977 let buffer = buffer.buffer(hunk.buffer_id)?;
6978 let buffer = buffer.read(cx);
6979 let original_text = diff
6980 .read(cx)
6981 .base_text()
6982 .as_ref()?
6983 .as_rope()
6984 .slice(hunk.diff_base_byte_range.clone());
6985 let buffer_snapshot = buffer.snapshot();
6986 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6987 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6988 probe
6989 .0
6990 .start
6991 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6992 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6993 }) {
6994 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6995 Some(())
6996 } else {
6997 None
6998 }
6999 }
7000
7001 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
7002 self.manipulate_lines(window, cx, |lines| lines.reverse())
7003 }
7004
7005 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
7006 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
7007 }
7008
7009 fn manipulate_lines<Fn>(
7010 &mut self,
7011 window: &mut Window,
7012 cx: &mut Context<Self>,
7013 mut callback: Fn,
7014 ) where
7015 Fn: FnMut(&mut Vec<&str>),
7016 {
7017 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7018 let buffer = self.buffer.read(cx).snapshot(cx);
7019
7020 let mut edits = Vec::new();
7021
7022 let selections = self.selections.all::<Point>(cx);
7023 let mut selections = selections.iter().peekable();
7024 let mut contiguous_row_selections = Vec::new();
7025 let mut new_selections = Vec::new();
7026 let mut added_lines = 0;
7027 let mut removed_lines = 0;
7028
7029 while let Some(selection) = selections.next() {
7030 let (start_row, end_row) = consume_contiguous_rows(
7031 &mut contiguous_row_selections,
7032 selection,
7033 &display_map,
7034 &mut selections,
7035 );
7036
7037 let start_point = Point::new(start_row.0, 0);
7038 let end_point = Point::new(
7039 end_row.previous_row().0,
7040 buffer.line_len(end_row.previous_row()),
7041 );
7042 let text = buffer
7043 .text_for_range(start_point..end_point)
7044 .collect::<String>();
7045
7046 let mut lines = text.split('\n').collect_vec();
7047
7048 let lines_before = lines.len();
7049 callback(&mut lines);
7050 let lines_after = lines.len();
7051
7052 edits.push((start_point..end_point, lines.join("\n")));
7053
7054 // Selections must change based on added and removed line count
7055 let start_row =
7056 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
7057 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
7058 new_selections.push(Selection {
7059 id: selection.id,
7060 start: start_row,
7061 end: end_row,
7062 goal: SelectionGoal::None,
7063 reversed: selection.reversed,
7064 });
7065
7066 if lines_after > lines_before {
7067 added_lines += lines_after - lines_before;
7068 } else if lines_before > lines_after {
7069 removed_lines += lines_before - lines_after;
7070 }
7071 }
7072
7073 self.transact(window, cx, |this, window, cx| {
7074 let buffer = this.buffer.update(cx, |buffer, cx| {
7075 buffer.edit(edits, None, cx);
7076 buffer.snapshot(cx)
7077 });
7078
7079 // Recalculate offsets on newly edited buffer
7080 let new_selections = new_selections
7081 .iter()
7082 .map(|s| {
7083 let start_point = Point::new(s.start.0, 0);
7084 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
7085 Selection {
7086 id: s.id,
7087 start: buffer.point_to_offset(start_point),
7088 end: buffer.point_to_offset(end_point),
7089 goal: s.goal,
7090 reversed: s.reversed,
7091 }
7092 })
7093 .collect();
7094
7095 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7096 s.select(new_selections);
7097 });
7098
7099 this.request_autoscroll(Autoscroll::fit(), cx);
7100 });
7101 }
7102
7103 pub fn convert_to_upper_case(
7104 &mut self,
7105 _: &ConvertToUpperCase,
7106 window: &mut Window,
7107 cx: &mut Context<Self>,
7108 ) {
7109 self.manipulate_text(window, cx, |text| text.to_uppercase())
7110 }
7111
7112 pub fn convert_to_lower_case(
7113 &mut self,
7114 _: &ConvertToLowerCase,
7115 window: &mut Window,
7116 cx: &mut Context<Self>,
7117 ) {
7118 self.manipulate_text(window, cx, |text| text.to_lowercase())
7119 }
7120
7121 pub fn convert_to_title_case(
7122 &mut self,
7123 _: &ConvertToTitleCase,
7124 window: &mut Window,
7125 cx: &mut Context<Self>,
7126 ) {
7127 self.manipulate_text(window, cx, |text| {
7128 text.split('\n')
7129 .map(|line| line.to_case(Case::Title))
7130 .join("\n")
7131 })
7132 }
7133
7134 pub fn convert_to_snake_case(
7135 &mut self,
7136 _: &ConvertToSnakeCase,
7137 window: &mut Window,
7138 cx: &mut Context<Self>,
7139 ) {
7140 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
7141 }
7142
7143 pub fn convert_to_kebab_case(
7144 &mut self,
7145 _: &ConvertToKebabCase,
7146 window: &mut Window,
7147 cx: &mut Context<Self>,
7148 ) {
7149 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
7150 }
7151
7152 pub fn convert_to_upper_camel_case(
7153 &mut self,
7154 _: &ConvertToUpperCamelCase,
7155 window: &mut Window,
7156 cx: &mut Context<Self>,
7157 ) {
7158 self.manipulate_text(window, cx, |text| {
7159 text.split('\n')
7160 .map(|line| line.to_case(Case::UpperCamel))
7161 .join("\n")
7162 })
7163 }
7164
7165 pub fn convert_to_lower_camel_case(
7166 &mut self,
7167 _: &ConvertToLowerCamelCase,
7168 window: &mut Window,
7169 cx: &mut Context<Self>,
7170 ) {
7171 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
7172 }
7173
7174 pub fn convert_to_opposite_case(
7175 &mut self,
7176 _: &ConvertToOppositeCase,
7177 window: &mut Window,
7178 cx: &mut Context<Self>,
7179 ) {
7180 self.manipulate_text(window, cx, |text| {
7181 text.chars()
7182 .fold(String::with_capacity(text.len()), |mut t, c| {
7183 if c.is_uppercase() {
7184 t.extend(c.to_lowercase());
7185 } else {
7186 t.extend(c.to_uppercase());
7187 }
7188 t
7189 })
7190 })
7191 }
7192
7193 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
7194 where
7195 Fn: FnMut(&str) -> String,
7196 {
7197 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7198 let buffer = self.buffer.read(cx).snapshot(cx);
7199
7200 let mut new_selections = Vec::new();
7201 let mut edits = Vec::new();
7202 let mut selection_adjustment = 0i32;
7203
7204 for selection in self.selections.all::<usize>(cx) {
7205 let selection_is_empty = selection.is_empty();
7206
7207 let (start, end) = if selection_is_empty {
7208 let word_range = movement::surrounding_word(
7209 &display_map,
7210 selection.start.to_display_point(&display_map),
7211 );
7212 let start = word_range.start.to_offset(&display_map, Bias::Left);
7213 let end = word_range.end.to_offset(&display_map, Bias::Left);
7214 (start, end)
7215 } else {
7216 (selection.start, selection.end)
7217 };
7218
7219 let text = buffer.text_for_range(start..end).collect::<String>();
7220 let old_length = text.len() as i32;
7221 let text = callback(&text);
7222
7223 new_selections.push(Selection {
7224 start: (start as i32 - selection_adjustment) as usize,
7225 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
7226 goal: SelectionGoal::None,
7227 ..selection
7228 });
7229
7230 selection_adjustment += old_length - text.len() as i32;
7231
7232 edits.push((start..end, text));
7233 }
7234
7235 self.transact(window, cx, |this, window, cx| {
7236 this.buffer.update(cx, |buffer, cx| {
7237 buffer.edit(edits, None, cx);
7238 });
7239
7240 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7241 s.select(new_selections);
7242 });
7243
7244 this.request_autoscroll(Autoscroll::fit(), cx);
7245 });
7246 }
7247
7248 pub fn duplicate(
7249 &mut self,
7250 upwards: bool,
7251 whole_lines: bool,
7252 window: &mut Window,
7253 cx: &mut Context<Self>,
7254 ) {
7255 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7256 let buffer = &display_map.buffer_snapshot;
7257 let selections = self.selections.all::<Point>(cx);
7258
7259 let mut edits = Vec::new();
7260 let mut selections_iter = selections.iter().peekable();
7261 while let Some(selection) = selections_iter.next() {
7262 let mut rows = selection.spanned_rows(false, &display_map);
7263 // duplicate line-wise
7264 if whole_lines || selection.start == selection.end {
7265 // Avoid duplicating the same lines twice.
7266 while let Some(next_selection) = selections_iter.peek() {
7267 let next_rows = next_selection.spanned_rows(false, &display_map);
7268 if next_rows.start < rows.end {
7269 rows.end = next_rows.end;
7270 selections_iter.next().unwrap();
7271 } else {
7272 break;
7273 }
7274 }
7275
7276 // Copy the text from the selected row region and splice it either at the start
7277 // or end of the region.
7278 let start = Point::new(rows.start.0, 0);
7279 let end = Point::new(
7280 rows.end.previous_row().0,
7281 buffer.line_len(rows.end.previous_row()),
7282 );
7283 let text = buffer
7284 .text_for_range(start..end)
7285 .chain(Some("\n"))
7286 .collect::<String>();
7287 let insert_location = if upwards {
7288 Point::new(rows.end.0, 0)
7289 } else {
7290 start
7291 };
7292 edits.push((insert_location..insert_location, text));
7293 } else {
7294 // duplicate character-wise
7295 let start = selection.start;
7296 let end = selection.end;
7297 let text = buffer.text_for_range(start..end).collect::<String>();
7298 edits.push((selection.end..selection.end, text));
7299 }
7300 }
7301
7302 self.transact(window, cx, |this, _, cx| {
7303 this.buffer.update(cx, |buffer, cx| {
7304 buffer.edit(edits, None, cx);
7305 });
7306
7307 this.request_autoscroll(Autoscroll::fit(), cx);
7308 });
7309 }
7310
7311 pub fn duplicate_line_up(
7312 &mut self,
7313 _: &DuplicateLineUp,
7314 window: &mut Window,
7315 cx: &mut Context<Self>,
7316 ) {
7317 self.duplicate(true, true, window, cx);
7318 }
7319
7320 pub fn duplicate_line_down(
7321 &mut self,
7322 _: &DuplicateLineDown,
7323 window: &mut Window,
7324 cx: &mut Context<Self>,
7325 ) {
7326 self.duplicate(false, true, window, cx);
7327 }
7328
7329 pub fn duplicate_selection(
7330 &mut self,
7331 _: &DuplicateSelection,
7332 window: &mut Window,
7333 cx: &mut Context<Self>,
7334 ) {
7335 self.duplicate(false, false, window, cx);
7336 }
7337
7338 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
7339 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7340 let buffer = self.buffer.read(cx).snapshot(cx);
7341
7342 let mut edits = Vec::new();
7343 let mut unfold_ranges = Vec::new();
7344 let mut refold_creases = Vec::new();
7345
7346 let selections = self.selections.all::<Point>(cx);
7347 let mut selections = selections.iter().peekable();
7348 let mut contiguous_row_selections = Vec::new();
7349 let mut new_selections = Vec::new();
7350
7351 while let Some(selection) = selections.next() {
7352 // Find all the selections that span a contiguous row range
7353 let (start_row, end_row) = consume_contiguous_rows(
7354 &mut contiguous_row_selections,
7355 selection,
7356 &display_map,
7357 &mut selections,
7358 );
7359
7360 // Move the text spanned by the row range to be before the line preceding the row range
7361 if start_row.0 > 0 {
7362 let range_to_move = Point::new(
7363 start_row.previous_row().0,
7364 buffer.line_len(start_row.previous_row()),
7365 )
7366 ..Point::new(
7367 end_row.previous_row().0,
7368 buffer.line_len(end_row.previous_row()),
7369 );
7370 let insertion_point = display_map
7371 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
7372 .0;
7373
7374 // Don't move lines across excerpts
7375 if buffer
7376 .excerpt_containing(insertion_point..range_to_move.end)
7377 .is_some()
7378 {
7379 let text = buffer
7380 .text_for_range(range_to_move.clone())
7381 .flat_map(|s| s.chars())
7382 .skip(1)
7383 .chain(['\n'])
7384 .collect::<String>();
7385
7386 edits.push((
7387 buffer.anchor_after(range_to_move.start)
7388 ..buffer.anchor_before(range_to_move.end),
7389 String::new(),
7390 ));
7391 let insertion_anchor = buffer.anchor_after(insertion_point);
7392 edits.push((insertion_anchor..insertion_anchor, text));
7393
7394 let row_delta = range_to_move.start.row - insertion_point.row + 1;
7395
7396 // Move selections up
7397 new_selections.extend(contiguous_row_selections.drain(..).map(
7398 |mut selection| {
7399 selection.start.row -= row_delta;
7400 selection.end.row -= row_delta;
7401 selection
7402 },
7403 ));
7404
7405 // Move folds up
7406 unfold_ranges.push(range_to_move.clone());
7407 for fold in display_map.folds_in_range(
7408 buffer.anchor_before(range_to_move.start)
7409 ..buffer.anchor_after(range_to_move.end),
7410 ) {
7411 let mut start = fold.range.start.to_point(&buffer);
7412 let mut end = fold.range.end.to_point(&buffer);
7413 start.row -= row_delta;
7414 end.row -= row_delta;
7415 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7416 }
7417 }
7418 }
7419
7420 // If we didn't move line(s), preserve the existing selections
7421 new_selections.append(&mut contiguous_row_selections);
7422 }
7423
7424 self.transact(window, cx, |this, window, cx| {
7425 this.unfold_ranges(&unfold_ranges, true, true, cx);
7426 this.buffer.update(cx, |buffer, cx| {
7427 for (range, text) in edits {
7428 buffer.edit([(range, text)], None, cx);
7429 }
7430 });
7431 this.fold_creases(refold_creases, true, window, cx);
7432 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7433 s.select(new_selections);
7434 })
7435 });
7436 }
7437
7438 pub fn move_line_down(
7439 &mut self,
7440 _: &MoveLineDown,
7441 window: &mut Window,
7442 cx: &mut Context<Self>,
7443 ) {
7444 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7445 let buffer = self.buffer.read(cx).snapshot(cx);
7446
7447 let mut edits = Vec::new();
7448 let mut unfold_ranges = Vec::new();
7449 let mut refold_creases = Vec::new();
7450
7451 let selections = self.selections.all::<Point>(cx);
7452 let mut selections = selections.iter().peekable();
7453 let mut contiguous_row_selections = Vec::new();
7454 let mut new_selections = Vec::new();
7455
7456 while let Some(selection) = selections.next() {
7457 // Find all the selections that span a contiguous row range
7458 let (start_row, end_row) = consume_contiguous_rows(
7459 &mut contiguous_row_selections,
7460 selection,
7461 &display_map,
7462 &mut selections,
7463 );
7464
7465 // Move the text spanned by the row range to be after the last line of the row range
7466 if end_row.0 <= buffer.max_point().row {
7467 let range_to_move =
7468 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
7469 let insertion_point = display_map
7470 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
7471 .0;
7472
7473 // Don't move lines across excerpt boundaries
7474 if buffer
7475 .excerpt_containing(range_to_move.start..insertion_point)
7476 .is_some()
7477 {
7478 let mut text = String::from("\n");
7479 text.extend(buffer.text_for_range(range_to_move.clone()));
7480 text.pop(); // Drop trailing newline
7481 edits.push((
7482 buffer.anchor_after(range_to_move.start)
7483 ..buffer.anchor_before(range_to_move.end),
7484 String::new(),
7485 ));
7486 let insertion_anchor = buffer.anchor_after(insertion_point);
7487 edits.push((insertion_anchor..insertion_anchor, text));
7488
7489 let row_delta = insertion_point.row - range_to_move.end.row + 1;
7490
7491 // Move selections down
7492 new_selections.extend(contiguous_row_selections.drain(..).map(
7493 |mut selection| {
7494 selection.start.row += row_delta;
7495 selection.end.row += row_delta;
7496 selection
7497 },
7498 ));
7499
7500 // Move folds down
7501 unfold_ranges.push(range_to_move.clone());
7502 for fold in display_map.folds_in_range(
7503 buffer.anchor_before(range_to_move.start)
7504 ..buffer.anchor_after(range_to_move.end),
7505 ) {
7506 let mut start = fold.range.start.to_point(&buffer);
7507 let mut end = fold.range.end.to_point(&buffer);
7508 start.row += row_delta;
7509 end.row += row_delta;
7510 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7511 }
7512 }
7513 }
7514
7515 // If we didn't move line(s), preserve the existing selections
7516 new_selections.append(&mut contiguous_row_selections);
7517 }
7518
7519 self.transact(window, cx, |this, window, cx| {
7520 this.unfold_ranges(&unfold_ranges, true, true, cx);
7521 this.buffer.update(cx, |buffer, cx| {
7522 for (range, text) in edits {
7523 buffer.edit([(range, text)], None, cx);
7524 }
7525 });
7526 this.fold_creases(refold_creases, true, window, cx);
7527 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7528 s.select(new_selections)
7529 });
7530 });
7531 }
7532
7533 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
7534 let text_layout_details = &self.text_layout_details(window);
7535 self.transact(window, cx, |this, window, cx| {
7536 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7537 let mut edits: Vec<(Range<usize>, String)> = Default::default();
7538 let line_mode = s.line_mode;
7539 s.move_with(|display_map, selection| {
7540 if !selection.is_empty() || line_mode {
7541 return;
7542 }
7543
7544 let mut head = selection.head();
7545 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
7546 if head.column() == display_map.line_len(head.row()) {
7547 transpose_offset = display_map
7548 .buffer_snapshot
7549 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7550 }
7551
7552 if transpose_offset == 0 {
7553 return;
7554 }
7555
7556 *head.column_mut() += 1;
7557 head = display_map.clip_point(head, Bias::Right);
7558 let goal = SelectionGoal::HorizontalPosition(
7559 display_map
7560 .x_for_display_point(head, text_layout_details)
7561 .into(),
7562 );
7563 selection.collapse_to(head, goal);
7564
7565 let transpose_start = display_map
7566 .buffer_snapshot
7567 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7568 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7569 let transpose_end = display_map
7570 .buffer_snapshot
7571 .clip_offset(transpose_offset + 1, Bias::Right);
7572 if let Some(ch) =
7573 display_map.buffer_snapshot.chars_at(transpose_start).next()
7574 {
7575 edits.push((transpose_start..transpose_offset, String::new()));
7576 edits.push((transpose_end..transpose_end, ch.to_string()));
7577 }
7578 }
7579 });
7580 edits
7581 });
7582 this.buffer
7583 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7584 let selections = this.selections.all::<usize>(cx);
7585 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7586 s.select(selections);
7587 });
7588 });
7589 }
7590
7591 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7592 self.rewrap_impl(IsVimMode::No, cx)
7593 }
7594
7595 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7596 let buffer = self.buffer.read(cx).snapshot(cx);
7597 let selections = self.selections.all::<Point>(cx);
7598 let mut selections = selections.iter().peekable();
7599
7600 let mut edits = Vec::new();
7601 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7602
7603 while let Some(selection) = selections.next() {
7604 let mut start_row = selection.start.row;
7605 let mut end_row = selection.end.row;
7606
7607 // Skip selections that overlap with a range that has already been rewrapped.
7608 let selection_range = start_row..end_row;
7609 if rewrapped_row_ranges
7610 .iter()
7611 .any(|range| range.overlaps(&selection_range))
7612 {
7613 continue;
7614 }
7615
7616 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7617
7618 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7619 match language_scope.language_name().as_ref() {
7620 "Markdown" | "Plain Text" => {
7621 should_rewrap = true;
7622 }
7623 _ => {}
7624 }
7625 }
7626
7627 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7628
7629 // Since not all lines in the selection may be at the same indent
7630 // level, choose the indent size that is the most common between all
7631 // of the lines.
7632 //
7633 // If there is a tie, we use the deepest indent.
7634 let (indent_size, indent_end) = {
7635 let mut indent_size_occurrences = HashMap::default();
7636 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7637
7638 for row in start_row..=end_row {
7639 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7640 rows_by_indent_size.entry(indent).or_default().push(row);
7641 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7642 }
7643
7644 let indent_size = indent_size_occurrences
7645 .into_iter()
7646 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7647 .map(|(indent, _)| indent)
7648 .unwrap_or_default();
7649 let row = rows_by_indent_size[&indent_size][0];
7650 let indent_end = Point::new(row, indent_size.len);
7651
7652 (indent_size, indent_end)
7653 };
7654
7655 let mut line_prefix = indent_size.chars().collect::<String>();
7656
7657 if let Some(comment_prefix) =
7658 buffer
7659 .language_scope_at(selection.head())
7660 .and_then(|language| {
7661 language
7662 .line_comment_prefixes()
7663 .iter()
7664 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7665 .cloned()
7666 })
7667 {
7668 line_prefix.push_str(&comment_prefix);
7669 should_rewrap = true;
7670 }
7671
7672 if !should_rewrap {
7673 continue;
7674 }
7675
7676 if selection.is_empty() {
7677 'expand_upwards: while start_row > 0 {
7678 let prev_row = start_row - 1;
7679 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7680 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7681 {
7682 start_row = prev_row;
7683 } else {
7684 break 'expand_upwards;
7685 }
7686 }
7687
7688 'expand_downwards: while end_row < buffer.max_point().row {
7689 let next_row = end_row + 1;
7690 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7691 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7692 {
7693 end_row = next_row;
7694 } else {
7695 break 'expand_downwards;
7696 }
7697 }
7698 }
7699
7700 let start = Point::new(start_row, 0);
7701 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7702 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7703 let Some(lines_without_prefixes) = selection_text
7704 .lines()
7705 .map(|line| {
7706 line.strip_prefix(&line_prefix)
7707 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7708 .ok_or_else(|| {
7709 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7710 })
7711 })
7712 .collect::<Result<Vec<_>, _>>()
7713 .log_err()
7714 else {
7715 continue;
7716 };
7717
7718 let wrap_column = buffer
7719 .settings_at(Point::new(start_row, 0), cx)
7720 .preferred_line_length as usize;
7721 let wrapped_text = wrap_with_prefix(
7722 line_prefix,
7723 lines_without_prefixes.join(" "),
7724 wrap_column,
7725 tab_size,
7726 );
7727
7728 // TODO: should always use char-based diff while still supporting cursor behavior that
7729 // matches vim.
7730 let diff = match is_vim_mode {
7731 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7732 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7733 };
7734 let mut offset = start.to_offset(&buffer);
7735 let mut moved_since_edit = true;
7736
7737 for change in diff.iter_all_changes() {
7738 let value = change.value();
7739 match change.tag() {
7740 ChangeTag::Equal => {
7741 offset += value.len();
7742 moved_since_edit = true;
7743 }
7744 ChangeTag::Delete => {
7745 let start = buffer.anchor_after(offset);
7746 let end = buffer.anchor_before(offset + value.len());
7747
7748 if moved_since_edit {
7749 edits.push((start..end, String::new()));
7750 } else {
7751 edits.last_mut().unwrap().0.end = end;
7752 }
7753
7754 offset += value.len();
7755 moved_since_edit = false;
7756 }
7757 ChangeTag::Insert => {
7758 if moved_since_edit {
7759 let anchor = buffer.anchor_after(offset);
7760 edits.push((anchor..anchor, value.to_string()));
7761 } else {
7762 edits.last_mut().unwrap().1.push_str(value);
7763 }
7764
7765 moved_since_edit = false;
7766 }
7767 }
7768 }
7769
7770 rewrapped_row_ranges.push(start_row..=end_row);
7771 }
7772
7773 self.buffer
7774 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7775 }
7776
7777 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7778 let mut text = String::new();
7779 let buffer = self.buffer.read(cx).snapshot(cx);
7780 let mut selections = self.selections.all::<Point>(cx);
7781 let mut clipboard_selections = Vec::with_capacity(selections.len());
7782 {
7783 let max_point = buffer.max_point();
7784 let mut is_first = true;
7785 for selection in &mut selections {
7786 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7787 if is_entire_line {
7788 selection.start = Point::new(selection.start.row, 0);
7789 if !selection.is_empty() && selection.end.column == 0 {
7790 selection.end = cmp::min(max_point, selection.end);
7791 } else {
7792 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7793 }
7794 selection.goal = SelectionGoal::None;
7795 }
7796 if is_first {
7797 is_first = false;
7798 } else {
7799 text += "\n";
7800 }
7801 let mut len = 0;
7802 for chunk in buffer.text_for_range(selection.start..selection.end) {
7803 text.push_str(chunk);
7804 len += chunk.len();
7805 }
7806 clipboard_selections.push(ClipboardSelection {
7807 len,
7808 is_entire_line,
7809 first_line_indent: buffer
7810 .indent_size_for_line(MultiBufferRow(selection.start.row))
7811 .len,
7812 });
7813 }
7814 }
7815
7816 self.transact(window, cx, |this, window, cx| {
7817 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7818 s.select(selections);
7819 });
7820 this.insert("", window, cx);
7821 });
7822 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7823 }
7824
7825 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7826 let item = self.cut_common(window, cx);
7827 cx.write_to_clipboard(item);
7828 }
7829
7830 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7831 self.change_selections(None, window, cx, |s| {
7832 s.move_with(|snapshot, sel| {
7833 if sel.is_empty() {
7834 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7835 }
7836 });
7837 });
7838 let item = self.cut_common(window, cx);
7839 cx.set_global(KillRing(item))
7840 }
7841
7842 pub fn kill_ring_yank(
7843 &mut self,
7844 _: &KillRingYank,
7845 window: &mut Window,
7846 cx: &mut Context<Self>,
7847 ) {
7848 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7849 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7850 (kill_ring.text().to_string(), kill_ring.metadata_json())
7851 } else {
7852 return;
7853 }
7854 } else {
7855 return;
7856 };
7857 self.do_paste(&text, metadata, false, window, cx);
7858 }
7859
7860 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7861 let selections = self.selections.all::<Point>(cx);
7862 let buffer = self.buffer.read(cx).read(cx);
7863 let mut text = String::new();
7864
7865 let mut clipboard_selections = Vec::with_capacity(selections.len());
7866 {
7867 let max_point = buffer.max_point();
7868 let mut is_first = true;
7869 for selection in selections.iter() {
7870 let mut start = selection.start;
7871 let mut end = selection.end;
7872 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7873 if is_entire_line {
7874 start = Point::new(start.row, 0);
7875 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7876 }
7877 if is_first {
7878 is_first = false;
7879 } else {
7880 text += "\n";
7881 }
7882 let mut len = 0;
7883 for chunk in buffer.text_for_range(start..end) {
7884 text.push_str(chunk);
7885 len += chunk.len();
7886 }
7887 clipboard_selections.push(ClipboardSelection {
7888 len,
7889 is_entire_line,
7890 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7891 });
7892 }
7893 }
7894
7895 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7896 text,
7897 clipboard_selections,
7898 ));
7899 }
7900
7901 pub fn do_paste(
7902 &mut self,
7903 text: &String,
7904 clipboard_selections: Option<Vec<ClipboardSelection>>,
7905 handle_entire_lines: bool,
7906 window: &mut Window,
7907 cx: &mut Context<Self>,
7908 ) {
7909 if self.read_only(cx) {
7910 return;
7911 }
7912
7913 let clipboard_text = Cow::Borrowed(text);
7914
7915 self.transact(window, cx, |this, window, cx| {
7916 if let Some(mut clipboard_selections) = clipboard_selections {
7917 let old_selections = this.selections.all::<usize>(cx);
7918 let all_selections_were_entire_line =
7919 clipboard_selections.iter().all(|s| s.is_entire_line);
7920 let first_selection_indent_column =
7921 clipboard_selections.first().map(|s| s.first_line_indent);
7922 if clipboard_selections.len() != old_selections.len() {
7923 clipboard_selections.drain(..);
7924 }
7925 let cursor_offset = this.selections.last::<usize>(cx).head();
7926 let mut auto_indent_on_paste = true;
7927
7928 this.buffer.update(cx, |buffer, cx| {
7929 let snapshot = buffer.read(cx);
7930 auto_indent_on_paste =
7931 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7932
7933 let mut start_offset = 0;
7934 let mut edits = Vec::new();
7935 let mut original_indent_columns = Vec::new();
7936 for (ix, selection) in old_selections.iter().enumerate() {
7937 let to_insert;
7938 let entire_line;
7939 let original_indent_column;
7940 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7941 let end_offset = start_offset + clipboard_selection.len;
7942 to_insert = &clipboard_text[start_offset..end_offset];
7943 entire_line = clipboard_selection.is_entire_line;
7944 start_offset = end_offset + 1;
7945 original_indent_column = Some(clipboard_selection.first_line_indent);
7946 } else {
7947 to_insert = clipboard_text.as_str();
7948 entire_line = all_selections_were_entire_line;
7949 original_indent_column = first_selection_indent_column
7950 }
7951
7952 // If the corresponding selection was empty when this slice of the
7953 // clipboard text was written, then the entire line containing the
7954 // selection was copied. If this selection is also currently empty,
7955 // then paste the line before the current line of the buffer.
7956 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7957 let column = selection.start.to_point(&snapshot).column as usize;
7958 let line_start = selection.start - column;
7959 line_start..line_start
7960 } else {
7961 selection.range()
7962 };
7963
7964 edits.push((range, to_insert));
7965 original_indent_columns.extend(original_indent_column);
7966 }
7967 drop(snapshot);
7968
7969 buffer.edit(
7970 edits,
7971 if auto_indent_on_paste {
7972 Some(AutoindentMode::Block {
7973 original_indent_columns,
7974 })
7975 } else {
7976 None
7977 },
7978 cx,
7979 );
7980 });
7981
7982 let selections = this.selections.all::<usize>(cx);
7983 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7984 s.select(selections)
7985 });
7986 } else {
7987 this.insert(&clipboard_text, window, cx);
7988 }
7989 });
7990 }
7991
7992 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7993 if let Some(item) = cx.read_from_clipboard() {
7994 let entries = item.entries();
7995
7996 match entries.first() {
7997 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7998 // of all the pasted entries.
7999 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
8000 .do_paste(
8001 clipboard_string.text(),
8002 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
8003 true,
8004 window,
8005 cx,
8006 ),
8007 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
8008 }
8009 }
8010 }
8011
8012 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
8013 if self.read_only(cx) {
8014 return;
8015 }
8016
8017 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
8018 if let Some((selections, _)) =
8019 self.selection_history.transaction(transaction_id).cloned()
8020 {
8021 self.change_selections(None, window, cx, |s| {
8022 s.select_anchors(selections.to_vec());
8023 });
8024 }
8025 self.request_autoscroll(Autoscroll::fit(), cx);
8026 self.unmark_text(window, cx);
8027 self.refresh_inline_completion(true, false, window, cx);
8028 cx.emit(EditorEvent::Edited { transaction_id });
8029 cx.emit(EditorEvent::TransactionUndone { transaction_id });
8030 }
8031 }
8032
8033 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
8034 if self.read_only(cx) {
8035 return;
8036 }
8037
8038 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
8039 if let Some((_, Some(selections))) =
8040 self.selection_history.transaction(transaction_id).cloned()
8041 {
8042 self.change_selections(None, window, cx, |s| {
8043 s.select_anchors(selections.to_vec());
8044 });
8045 }
8046 self.request_autoscroll(Autoscroll::fit(), cx);
8047 self.unmark_text(window, cx);
8048 self.refresh_inline_completion(true, false, window, cx);
8049 cx.emit(EditorEvent::Edited { transaction_id });
8050 }
8051 }
8052
8053 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
8054 self.buffer
8055 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
8056 }
8057
8058 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
8059 self.buffer
8060 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
8061 }
8062
8063 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
8064 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8065 let line_mode = s.line_mode;
8066 s.move_with(|map, selection| {
8067 let cursor = if selection.is_empty() && !line_mode {
8068 movement::left(map, selection.start)
8069 } else {
8070 selection.start
8071 };
8072 selection.collapse_to(cursor, SelectionGoal::None);
8073 });
8074 })
8075 }
8076
8077 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
8078 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8079 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
8080 })
8081 }
8082
8083 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
8084 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8085 let line_mode = s.line_mode;
8086 s.move_with(|map, selection| {
8087 let cursor = if selection.is_empty() && !line_mode {
8088 movement::right(map, selection.end)
8089 } else {
8090 selection.end
8091 };
8092 selection.collapse_to(cursor, SelectionGoal::None)
8093 });
8094 })
8095 }
8096
8097 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
8098 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8099 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
8100 })
8101 }
8102
8103 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
8104 if self.take_rename(true, window, cx).is_some() {
8105 return;
8106 }
8107
8108 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8109 cx.propagate();
8110 return;
8111 }
8112
8113 let text_layout_details = &self.text_layout_details(window);
8114 let selection_count = self.selections.count();
8115 let first_selection = self.selections.first_anchor();
8116
8117 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8118 let line_mode = s.line_mode;
8119 s.move_with(|map, selection| {
8120 if !selection.is_empty() && !line_mode {
8121 selection.goal = SelectionGoal::None;
8122 }
8123 let (cursor, goal) = movement::up(
8124 map,
8125 selection.start,
8126 selection.goal,
8127 false,
8128 text_layout_details,
8129 );
8130 selection.collapse_to(cursor, goal);
8131 });
8132 });
8133
8134 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8135 {
8136 cx.propagate();
8137 }
8138 }
8139
8140 pub fn move_up_by_lines(
8141 &mut self,
8142 action: &MoveUpByLines,
8143 window: &mut Window,
8144 cx: &mut Context<Self>,
8145 ) {
8146 if self.take_rename(true, window, cx).is_some() {
8147 return;
8148 }
8149
8150 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8151 cx.propagate();
8152 return;
8153 }
8154
8155 let text_layout_details = &self.text_layout_details(window);
8156
8157 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8158 let line_mode = s.line_mode;
8159 s.move_with(|map, selection| {
8160 if !selection.is_empty() && !line_mode {
8161 selection.goal = SelectionGoal::None;
8162 }
8163 let (cursor, goal) = movement::up_by_rows(
8164 map,
8165 selection.start,
8166 action.lines,
8167 selection.goal,
8168 false,
8169 text_layout_details,
8170 );
8171 selection.collapse_to(cursor, goal);
8172 });
8173 })
8174 }
8175
8176 pub fn move_down_by_lines(
8177 &mut self,
8178 action: &MoveDownByLines,
8179 window: &mut Window,
8180 cx: &mut Context<Self>,
8181 ) {
8182 if self.take_rename(true, window, cx).is_some() {
8183 return;
8184 }
8185
8186 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8187 cx.propagate();
8188 return;
8189 }
8190
8191 let text_layout_details = &self.text_layout_details(window);
8192
8193 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8194 let line_mode = s.line_mode;
8195 s.move_with(|map, selection| {
8196 if !selection.is_empty() && !line_mode {
8197 selection.goal = SelectionGoal::None;
8198 }
8199 let (cursor, goal) = movement::down_by_rows(
8200 map,
8201 selection.start,
8202 action.lines,
8203 selection.goal,
8204 false,
8205 text_layout_details,
8206 );
8207 selection.collapse_to(cursor, goal);
8208 });
8209 })
8210 }
8211
8212 pub fn select_down_by_lines(
8213 &mut self,
8214 action: &SelectDownByLines,
8215 window: &mut Window,
8216 cx: &mut Context<Self>,
8217 ) {
8218 let text_layout_details = &self.text_layout_details(window);
8219 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8220 s.move_heads_with(|map, head, goal| {
8221 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
8222 })
8223 })
8224 }
8225
8226 pub fn select_up_by_lines(
8227 &mut self,
8228 action: &SelectUpByLines,
8229 window: &mut Window,
8230 cx: &mut Context<Self>,
8231 ) {
8232 let text_layout_details = &self.text_layout_details(window);
8233 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8234 s.move_heads_with(|map, head, goal| {
8235 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
8236 })
8237 })
8238 }
8239
8240 pub fn select_page_up(
8241 &mut self,
8242 _: &SelectPageUp,
8243 window: &mut Window,
8244 cx: &mut Context<Self>,
8245 ) {
8246 let Some(row_count) = self.visible_row_count() else {
8247 return;
8248 };
8249
8250 let text_layout_details = &self.text_layout_details(window);
8251
8252 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8253 s.move_heads_with(|map, head, goal| {
8254 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
8255 })
8256 })
8257 }
8258
8259 pub fn move_page_up(
8260 &mut self,
8261 action: &MovePageUp,
8262 window: &mut Window,
8263 cx: &mut Context<Self>,
8264 ) {
8265 if self.take_rename(true, window, cx).is_some() {
8266 return;
8267 }
8268
8269 if self
8270 .context_menu
8271 .borrow_mut()
8272 .as_mut()
8273 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
8274 .unwrap_or(false)
8275 {
8276 return;
8277 }
8278
8279 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8280 cx.propagate();
8281 return;
8282 }
8283
8284 let Some(row_count) = self.visible_row_count() else {
8285 return;
8286 };
8287
8288 let autoscroll = if action.center_cursor {
8289 Autoscroll::center()
8290 } else {
8291 Autoscroll::fit()
8292 };
8293
8294 let text_layout_details = &self.text_layout_details(window);
8295
8296 self.change_selections(Some(autoscroll), window, cx, |s| {
8297 let line_mode = s.line_mode;
8298 s.move_with(|map, selection| {
8299 if !selection.is_empty() && !line_mode {
8300 selection.goal = SelectionGoal::None;
8301 }
8302 let (cursor, goal) = movement::up_by_rows(
8303 map,
8304 selection.end,
8305 row_count,
8306 selection.goal,
8307 false,
8308 text_layout_details,
8309 );
8310 selection.collapse_to(cursor, goal);
8311 });
8312 });
8313 }
8314
8315 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
8316 let text_layout_details = &self.text_layout_details(window);
8317 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8318 s.move_heads_with(|map, head, goal| {
8319 movement::up(map, head, goal, false, text_layout_details)
8320 })
8321 })
8322 }
8323
8324 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
8325 self.take_rename(true, window, cx);
8326
8327 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8328 cx.propagate();
8329 return;
8330 }
8331
8332 let text_layout_details = &self.text_layout_details(window);
8333 let selection_count = self.selections.count();
8334 let first_selection = self.selections.first_anchor();
8335
8336 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8337 let line_mode = s.line_mode;
8338 s.move_with(|map, selection| {
8339 if !selection.is_empty() && !line_mode {
8340 selection.goal = SelectionGoal::None;
8341 }
8342 let (cursor, goal) = movement::down(
8343 map,
8344 selection.end,
8345 selection.goal,
8346 false,
8347 text_layout_details,
8348 );
8349 selection.collapse_to(cursor, goal);
8350 });
8351 });
8352
8353 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8354 {
8355 cx.propagate();
8356 }
8357 }
8358
8359 pub fn select_page_down(
8360 &mut self,
8361 _: &SelectPageDown,
8362 window: &mut Window,
8363 cx: &mut Context<Self>,
8364 ) {
8365 let Some(row_count) = self.visible_row_count() else {
8366 return;
8367 };
8368
8369 let text_layout_details = &self.text_layout_details(window);
8370
8371 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8372 s.move_heads_with(|map, head, goal| {
8373 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
8374 })
8375 })
8376 }
8377
8378 pub fn move_page_down(
8379 &mut self,
8380 action: &MovePageDown,
8381 window: &mut Window,
8382 cx: &mut Context<Self>,
8383 ) {
8384 if self.take_rename(true, window, cx).is_some() {
8385 return;
8386 }
8387
8388 if self
8389 .context_menu
8390 .borrow_mut()
8391 .as_mut()
8392 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
8393 .unwrap_or(false)
8394 {
8395 return;
8396 }
8397
8398 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8399 cx.propagate();
8400 return;
8401 }
8402
8403 let Some(row_count) = self.visible_row_count() else {
8404 return;
8405 };
8406
8407 let autoscroll = if action.center_cursor {
8408 Autoscroll::center()
8409 } else {
8410 Autoscroll::fit()
8411 };
8412
8413 let text_layout_details = &self.text_layout_details(window);
8414 self.change_selections(Some(autoscroll), window, cx, |s| {
8415 let line_mode = s.line_mode;
8416 s.move_with(|map, selection| {
8417 if !selection.is_empty() && !line_mode {
8418 selection.goal = SelectionGoal::None;
8419 }
8420 let (cursor, goal) = movement::down_by_rows(
8421 map,
8422 selection.end,
8423 row_count,
8424 selection.goal,
8425 false,
8426 text_layout_details,
8427 );
8428 selection.collapse_to(cursor, goal);
8429 });
8430 });
8431 }
8432
8433 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
8434 let text_layout_details = &self.text_layout_details(window);
8435 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8436 s.move_heads_with(|map, head, goal| {
8437 movement::down(map, head, goal, false, text_layout_details)
8438 })
8439 });
8440 }
8441
8442 pub fn context_menu_first(
8443 &mut self,
8444 _: &ContextMenuFirst,
8445 _window: &mut Window,
8446 cx: &mut Context<Self>,
8447 ) {
8448 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8449 context_menu.select_first(self.completion_provider.as_deref(), cx);
8450 }
8451 }
8452
8453 pub fn context_menu_prev(
8454 &mut self,
8455 _: &ContextMenuPrev,
8456 _window: &mut Window,
8457 cx: &mut Context<Self>,
8458 ) {
8459 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8460 context_menu.select_prev(self.completion_provider.as_deref(), cx);
8461 }
8462 }
8463
8464 pub fn context_menu_next(
8465 &mut self,
8466 _: &ContextMenuNext,
8467 _window: &mut Window,
8468 cx: &mut Context<Self>,
8469 ) {
8470 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8471 context_menu.select_next(self.completion_provider.as_deref(), cx);
8472 }
8473 }
8474
8475 pub fn context_menu_last(
8476 &mut self,
8477 _: &ContextMenuLast,
8478 _window: &mut Window,
8479 cx: &mut Context<Self>,
8480 ) {
8481 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8482 context_menu.select_last(self.completion_provider.as_deref(), cx);
8483 }
8484 }
8485
8486 pub fn move_to_previous_word_start(
8487 &mut self,
8488 _: &MoveToPreviousWordStart,
8489 window: &mut Window,
8490 cx: &mut Context<Self>,
8491 ) {
8492 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8493 s.move_cursors_with(|map, head, _| {
8494 (
8495 movement::previous_word_start(map, head),
8496 SelectionGoal::None,
8497 )
8498 });
8499 })
8500 }
8501
8502 pub fn move_to_previous_subword_start(
8503 &mut self,
8504 _: &MoveToPreviousSubwordStart,
8505 window: &mut Window,
8506 cx: &mut Context<Self>,
8507 ) {
8508 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8509 s.move_cursors_with(|map, head, _| {
8510 (
8511 movement::previous_subword_start(map, head),
8512 SelectionGoal::None,
8513 )
8514 });
8515 })
8516 }
8517
8518 pub fn select_to_previous_word_start(
8519 &mut self,
8520 _: &SelectToPreviousWordStart,
8521 window: &mut Window,
8522 cx: &mut Context<Self>,
8523 ) {
8524 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8525 s.move_heads_with(|map, head, _| {
8526 (
8527 movement::previous_word_start(map, head),
8528 SelectionGoal::None,
8529 )
8530 });
8531 })
8532 }
8533
8534 pub fn select_to_previous_subword_start(
8535 &mut self,
8536 _: &SelectToPreviousSubwordStart,
8537 window: &mut Window,
8538 cx: &mut Context<Self>,
8539 ) {
8540 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8541 s.move_heads_with(|map, head, _| {
8542 (
8543 movement::previous_subword_start(map, head),
8544 SelectionGoal::None,
8545 )
8546 });
8547 })
8548 }
8549
8550 pub fn delete_to_previous_word_start(
8551 &mut self,
8552 action: &DeleteToPreviousWordStart,
8553 window: &mut Window,
8554 cx: &mut Context<Self>,
8555 ) {
8556 self.transact(window, cx, |this, window, cx| {
8557 this.select_autoclose_pair(window, cx);
8558 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8559 let line_mode = s.line_mode;
8560 s.move_with(|map, selection| {
8561 if selection.is_empty() && !line_mode {
8562 let cursor = if action.ignore_newlines {
8563 movement::previous_word_start(map, selection.head())
8564 } else {
8565 movement::previous_word_start_or_newline(map, selection.head())
8566 };
8567 selection.set_head(cursor, SelectionGoal::None);
8568 }
8569 });
8570 });
8571 this.insert("", window, cx);
8572 });
8573 }
8574
8575 pub fn delete_to_previous_subword_start(
8576 &mut self,
8577 _: &DeleteToPreviousSubwordStart,
8578 window: &mut Window,
8579 cx: &mut Context<Self>,
8580 ) {
8581 self.transact(window, cx, |this, window, cx| {
8582 this.select_autoclose_pair(window, cx);
8583 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8584 let line_mode = s.line_mode;
8585 s.move_with(|map, selection| {
8586 if selection.is_empty() && !line_mode {
8587 let cursor = movement::previous_subword_start(map, selection.head());
8588 selection.set_head(cursor, SelectionGoal::None);
8589 }
8590 });
8591 });
8592 this.insert("", window, cx);
8593 });
8594 }
8595
8596 pub fn move_to_next_word_end(
8597 &mut self,
8598 _: &MoveToNextWordEnd,
8599 window: &mut Window,
8600 cx: &mut Context<Self>,
8601 ) {
8602 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8603 s.move_cursors_with(|map, head, _| {
8604 (movement::next_word_end(map, head), SelectionGoal::None)
8605 });
8606 })
8607 }
8608
8609 pub fn move_to_next_subword_end(
8610 &mut self,
8611 _: &MoveToNextSubwordEnd,
8612 window: &mut Window,
8613 cx: &mut Context<Self>,
8614 ) {
8615 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8616 s.move_cursors_with(|map, head, _| {
8617 (movement::next_subword_end(map, head), SelectionGoal::None)
8618 });
8619 })
8620 }
8621
8622 pub fn select_to_next_word_end(
8623 &mut self,
8624 _: &SelectToNextWordEnd,
8625 window: &mut Window,
8626 cx: &mut Context<Self>,
8627 ) {
8628 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8629 s.move_heads_with(|map, head, _| {
8630 (movement::next_word_end(map, head), SelectionGoal::None)
8631 });
8632 })
8633 }
8634
8635 pub fn select_to_next_subword_end(
8636 &mut self,
8637 _: &SelectToNextSubwordEnd,
8638 window: &mut Window,
8639 cx: &mut Context<Self>,
8640 ) {
8641 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8642 s.move_heads_with(|map, head, _| {
8643 (movement::next_subword_end(map, head), SelectionGoal::None)
8644 });
8645 })
8646 }
8647
8648 pub fn delete_to_next_word_end(
8649 &mut self,
8650 action: &DeleteToNextWordEnd,
8651 window: &mut Window,
8652 cx: &mut Context<Self>,
8653 ) {
8654 self.transact(window, cx, |this, window, cx| {
8655 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8656 let line_mode = s.line_mode;
8657 s.move_with(|map, selection| {
8658 if selection.is_empty() && !line_mode {
8659 let cursor = if action.ignore_newlines {
8660 movement::next_word_end(map, selection.head())
8661 } else {
8662 movement::next_word_end_or_newline(map, selection.head())
8663 };
8664 selection.set_head(cursor, SelectionGoal::None);
8665 }
8666 });
8667 });
8668 this.insert("", window, cx);
8669 });
8670 }
8671
8672 pub fn delete_to_next_subword_end(
8673 &mut self,
8674 _: &DeleteToNextSubwordEnd,
8675 window: &mut Window,
8676 cx: &mut Context<Self>,
8677 ) {
8678 self.transact(window, cx, |this, window, cx| {
8679 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8680 s.move_with(|map, selection| {
8681 if selection.is_empty() {
8682 let cursor = movement::next_subword_end(map, selection.head());
8683 selection.set_head(cursor, SelectionGoal::None);
8684 }
8685 });
8686 });
8687 this.insert("", window, cx);
8688 });
8689 }
8690
8691 pub fn move_to_beginning_of_line(
8692 &mut self,
8693 action: &MoveToBeginningOfLine,
8694 window: &mut Window,
8695 cx: &mut Context<Self>,
8696 ) {
8697 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8698 s.move_cursors_with(|map, head, _| {
8699 (
8700 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8701 SelectionGoal::None,
8702 )
8703 });
8704 })
8705 }
8706
8707 pub fn select_to_beginning_of_line(
8708 &mut self,
8709 action: &SelectToBeginningOfLine,
8710 window: &mut Window,
8711 cx: &mut Context<Self>,
8712 ) {
8713 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8714 s.move_heads_with(|map, head, _| {
8715 (
8716 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8717 SelectionGoal::None,
8718 )
8719 });
8720 });
8721 }
8722
8723 pub fn delete_to_beginning_of_line(
8724 &mut self,
8725 _: &DeleteToBeginningOfLine,
8726 window: &mut Window,
8727 cx: &mut Context<Self>,
8728 ) {
8729 self.transact(window, cx, |this, window, cx| {
8730 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8731 s.move_with(|_, selection| {
8732 selection.reversed = true;
8733 });
8734 });
8735
8736 this.select_to_beginning_of_line(
8737 &SelectToBeginningOfLine {
8738 stop_at_soft_wraps: false,
8739 },
8740 window,
8741 cx,
8742 );
8743 this.backspace(&Backspace, window, cx);
8744 });
8745 }
8746
8747 pub fn move_to_end_of_line(
8748 &mut self,
8749 action: &MoveToEndOfLine,
8750 window: &mut Window,
8751 cx: &mut Context<Self>,
8752 ) {
8753 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8754 s.move_cursors_with(|map, head, _| {
8755 (
8756 movement::line_end(map, head, action.stop_at_soft_wraps),
8757 SelectionGoal::None,
8758 )
8759 });
8760 })
8761 }
8762
8763 pub fn select_to_end_of_line(
8764 &mut self,
8765 action: &SelectToEndOfLine,
8766 window: &mut Window,
8767 cx: &mut Context<Self>,
8768 ) {
8769 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8770 s.move_heads_with(|map, head, _| {
8771 (
8772 movement::line_end(map, head, action.stop_at_soft_wraps),
8773 SelectionGoal::None,
8774 )
8775 });
8776 })
8777 }
8778
8779 pub fn delete_to_end_of_line(
8780 &mut self,
8781 _: &DeleteToEndOfLine,
8782 window: &mut Window,
8783 cx: &mut Context<Self>,
8784 ) {
8785 self.transact(window, cx, |this, window, cx| {
8786 this.select_to_end_of_line(
8787 &SelectToEndOfLine {
8788 stop_at_soft_wraps: false,
8789 },
8790 window,
8791 cx,
8792 );
8793 this.delete(&Delete, window, cx);
8794 });
8795 }
8796
8797 pub fn cut_to_end_of_line(
8798 &mut self,
8799 _: &CutToEndOfLine,
8800 window: &mut Window,
8801 cx: &mut Context<Self>,
8802 ) {
8803 self.transact(window, cx, |this, window, cx| {
8804 this.select_to_end_of_line(
8805 &SelectToEndOfLine {
8806 stop_at_soft_wraps: false,
8807 },
8808 window,
8809 cx,
8810 );
8811 this.cut(&Cut, window, cx);
8812 });
8813 }
8814
8815 pub fn move_to_start_of_paragraph(
8816 &mut self,
8817 _: &MoveToStartOfParagraph,
8818 window: &mut Window,
8819 cx: &mut Context<Self>,
8820 ) {
8821 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8822 cx.propagate();
8823 return;
8824 }
8825
8826 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8827 s.move_with(|map, selection| {
8828 selection.collapse_to(
8829 movement::start_of_paragraph(map, selection.head(), 1),
8830 SelectionGoal::None,
8831 )
8832 });
8833 })
8834 }
8835
8836 pub fn move_to_end_of_paragraph(
8837 &mut self,
8838 _: &MoveToEndOfParagraph,
8839 window: &mut Window,
8840 cx: &mut Context<Self>,
8841 ) {
8842 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8843 cx.propagate();
8844 return;
8845 }
8846
8847 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8848 s.move_with(|map, selection| {
8849 selection.collapse_to(
8850 movement::end_of_paragraph(map, selection.head(), 1),
8851 SelectionGoal::None,
8852 )
8853 });
8854 })
8855 }
8856
8857 pub fn select_to_start_of_paragraph(
8858 &mut self,
8859 _: &SelectToStartOfParagraph,
8860 window: &mut Window,
8861 cx: &mut Context<Self>,
8862 ) {
8863 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8864 cx.propagate();
8865 return;
8866 }
8867
8868 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8869 s.move_heads_with(|map, head, _| {
8870 (
8871 movement::start_of_paragraph(map, head, 1),
8872 SelectionGoal::None,
8873 )
8874 });
8875 })
8876 }
8877
8878 pub fn select_to_end_of_paragraph(
8879 &mut self,
8880 _: &SelectToEndOfParagraph,
8881 window: &mut Window,
8882 cx: &mut Context<Self>,
8883 ) {
8884 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8885 cx.propagate();
8886 return;
8887 }
8888
8889 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8890 s.move_heads_with(|map, head, _| {
8891 (
8892 movement::end_of_paragraph(map, head, 1),
8893 SelectionGoal::None,
8894 )
8895 });
8896 })
8897 }
8898
8899 pub fn move_to_beginning(
8900 &mut self,
8901 _: &MoveToBeginning,
8902 window: &mut Window,
8903 cx: &mut Context<Self>,
8904 ) {
8905 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8906 cx.propagate();
8907 return;
8908 }
8909
8910 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8911 s.select_ranges(vec![0..0]);
8912 });
8913 }
8914
8915 pub fn select_to_beginning(
8916 &mut self,
8917 _: &SelectToBeginning,
8918 window: &mut Window,
8919 cx: &mut Context<Self>,
8920 ) {
8921 let mut selection = self.selections.last::<Point>(cx);
8922 selection.set_head(Point::zero(), SelectionGoal::None);
8923
8924 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8925 s.select(vec![selection]);
8926 });
8927 }
8928
8929 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8930 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8931 cx.propagate();
8932 return;
8933 }
8934
8935 let cursor = self.buffer.read(cx).read(cx).len();
8936 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8937 s.select_ranges(vec![cursor..cursor])
8938 });
8939 }
8940
8941 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8942 self.nav_history = nav_history;
8943 }
8944
8945 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8946 self.nav_history.as_ref()
8947 }
8948
8949 fn push_to_nav_history(
8950 &mut self,
8951 cursor_anchor: Anchor,
8952 new_position: Option<Point>,
8953 cx: &mut Context<Self>,
8954 ) {
8955 if let Some(nav_history) = self.nav_history.as_mut() {
8956 let buffer = self.buffer.read(cx).read(cx);
8957 let cursor_position = cursor_anchor.to_point(&buffer);
8958 let scroll_state = self.scroll_manager.anchor();
8959 let scroll_top_row = scroll_state.top_row(&buffer);
8960 drop(buffer);
8961
8962 if let Some(new_position) = new_position {
8963 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8964 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8965 return;
8966 }
8967 }
8968
8969 nav_history.push(
8970 Some(NavigationData {
8971 cursor_anchor,
8972 cursor_position,
8973 scroll_anchor: scroll_state,
8974 scroll_top_row,
8975 }),
8976 cx,
8977 );
8978 }
8979 }
8980
8981 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8982 let buffer = self.buffer.read(cx).snapshot(cx);
8983 let mut selection = self.selections.first::<usize>(cx);
8984 selection.set_head(buffer.len(), SelectionGoal::None);
8985 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8986 s.select(vec![selection]);
8987 });
8988 }
8989
8990 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8991 let end = self.buffer.read(cx).read(cx).len();
8992 self.change_selections(None, window, cx, |s| {
8993 s.select_ranges(vec![0..end]);
8994 });
8995 }
8996
8997 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8998 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8999 let mut selections = self.selections.all::<Point>(cx);
9000 let max_point = display_map.buffer_snapshot.max_point();
9001 for selection in &mut selections {
9002 let rows = selection.spanned_rows(true, &display_map);
9003 selection.start = Point::new(rows.start.0, 0);
9004 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
9005 selection.reversed = false;
9006 }
9007 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9008 s.select(selections);
9009 });
9010 }
9011
9012 pub fn split_selection_into_lines(
9013 &mut self,
9014 _: &SplitSelectionIntoLines,
9015 window: &mut Window,
9016 cx: &mut Context<Self>,
9017 ) {
9018 let mut to_unfold = Vec::new();
9019 let mut new_selection_ranges = Vec::new();
9020 {
9021 let selections = self.selections.all::<Point>(cx);
9022 let buffer = self.buffer.read(cx).read(cx);
9023 for selection in selections {
9024 for row in selection.start.row..selection.end.row {
9025 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
9026 new_selection_ranges.push(cursor..cursor);
9027 }
9028 new_selection_ranges.push(selection.end..selection.end);
9029 to_unfold.push(selection.start..selection.end);
9030 }
9031 }
9032 self.unfold_ranges(&to_unfold, true, true, cx);
9033 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9034 s.select_ranges(new_selection_ranges);
9035 });
9036 }
9037
9038 pub fn add_selection_above(
9039 &mut self,
9040 _: &AddSelectionAbove,
9041 window: &mut Window,
9042 cx: &mut Context<Self>,
9043 ) {
9044 self.add_selection(true, window, cx);
9045 }
9046
9047 pub fn add_selection_below(
9048 &mut self,
9049 _: &AddSelectionBelow,
9050 window: &mut Window,
9051 cx: &mut Context<Self>,
9052 ) {
9053 self.add_selection(false, window, cx);
9054 }
9055
9056 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
9057 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9058 let mut selections = self.selections.all::<Point>(cx);
9059 let text_layout_details = self.text_layout_details(window);
9060 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
9061 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
9062 let range = oldest_selection.display_range(&display_map).sorted();
9063
9064 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
9065 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
9066 let positions = start_x.min(end_x)..start_x.max(end_x);
9067
9068 selections.clear();
9069 let mut stack = Vec::new();
9070 for row in range.start.row().0..=range.end.row().0 {
9071 if let Some(selection) = self.selections.build_columnar_selection(
9072 &display_map,
9073 DisplayRow(row),
9074 &positions,
9075 oldest_selection.reversed,
9076 &text_layout_details,
9077 ) {
9078 stack.push(selection.id);
9079 selections.push(selection);
9080 }
9081 }
9082
9083 if above {
9084 stack.reverse();
9085 }
9086
9087 AddSelectionsState { above, stack }
9088 });
9089
9090 let last_added_selection = *state.stack.last().unwrap();
9091 let mut new_selections = Vec::new();
9092 if above == state.above {
9093 let end_row = if above {
9094 DisplayRow(0)
9095 } else {
9096 display_map.max_point().row()
9097 };
9098
9099 'outer: for selection in selections {
9100 if selection.id == last_added_selection {
9101 let range = selection.display_range(&display_map).sorted();
9102 debug_assert_eq!(range.start.row(), range.end.row());
9103 let mut row = range.start.row();
9104 let positions =
9105 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
9106 px(start)..px(end)
9107 } else {
9108 let start_x =
9109 display_map.x_for_display_point(range.start, &text_layout_details);
9110 let end_x =
9111 display_map.x_for_display_point(range.end, &text_layout_details);
9112 start_x.min(end_x)..start_x.max(end_x)
9113 };
9114
9115 while row != end_row {
9116 if above {
9117 row.0 -= 1;
9118 } else {
9119 row.0 += 1;
9120 }
9121
9122 if let Some(new_selection) = self.selections.build_columnar_selection(
9123 &display_map,
9124 row,
9125 &positions,
9126 selection.reversed,
9127 &text_layout_details,
9128 ) {
9129 state.stack.push(new_selection.id);
9130 if above {
9131 new_selections.push(new_selection);
9132 new_selections.push(selection);
9133 } else {
9134 new_selections.push(selection);
9135 new_selections.push(new_selection);
9136 }
9137
9138 continue 'outer;
9139 }
9140 }
9141 }
9142
9143 new_selections.push(selection);
9144 }
9145 } else {
9146 new_selections = selections;
9147 new_selections.retain(|s| s.id != last_added_selection);
9148 state.stack.pop();
9149 }
9150
9151 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9152 s.select(new_selections);
9153 });
9154 if state.stack.len() > 1 {
9155 self.add_selections_state = Some(state);
9156 }
9157 }
9158
9159 pub fn select_next_match_internal(
9160 &mut self,
9161 display_map: &DisplaySnapshot,
9162 replace_newest: bool,
9163 autoscroll: Option<Autoscroll>,
9164 window: &mut Window,
9165 cx: &mut Context<Self>,
9166 ) -> Result<()> {
9167 fn select_next_match_ranges(
9168 this: &mut Editor,
9169 range: Range<usize>,
9170 replace_newest: bool,
9171 auto_scroll: Option<Autoscroll>,
9172 window: &mut Window,
9173 cx: &mut Context<Editor>,
9174 ) {
9175 this.unfold_ranges(&[range.clone()], false, true, cx);
9176 this.change_selections(auto_scroll, window, cx, |s| {
9177 if replace_newest {
9178 s.delete(s.newest_anchor().id);
9179 }
9180 s.insert_range(range.clone());
9181 });
9182 }
9183
9184 let buffer = &display_map.buffer_snapshot;
9185 let mut selections = self.selections.all::<usize>(cx);
9186 if let Some(mut select_next_state) = self.select_next_state.take() {
9187 let query = &select_next_state.query;
9188 if !select_next_state.done {
9189 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9190 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9191 let mut next_selected_range = None;
9192
9193 let bytes_after_last_selection =
9194 buffer.bytes_in_range(last_selection.end..buffer.len());
9195 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
9196 let query_matches = query
9197 .stream_find_iter(bytes_after_last_selection)
9198 .map(|result| (last_selection.end, result))
9199 .chain(
9200 query
9201 .stream_find_iter(bytes_before_first_selection)
9202 .map(|result| (0, result)),
9203 );
9204
9205 for (start_offset, query_match) in query_matches {
9206 let query_match = query_match.unwrap(); // can only fail due to I/O
9207 let offset_range =
9208 start_offset + query_match.start()..start_offset + query_match.end();
9209 let display_range = offset_range.start.to_display_point(display_map)
9210 ..offset_range.end.to_display_point(display_map);
9211
9212 if !select_next_state.wordwise
9213 || (!movement::is_inside_word(display_map, display_range.start)
9214 && !movement::is_inside_word(display_map, display_range.end))
9215 {
9216 // TODO: This is n^2, because we might check all the selections
9217 if !selections
9218 .iter()
9219 .any(|selection| selection.range().overlaps(&offset_range))
9220 {
9221 next_selected_range = Some(offset_range);
9222 break;
9223 }
9224 }
9225 }
9226
9227 if let Some(next_selected_range) = next_selected_range {
9228 select_next_match_ranges(
9229 self,
9230 next_selected_range,
9231 replace_newest,
9232 autoscroll,
9233 window,
9234 cx,
9235 );
9236 } else {
9237 select_next_state.done = true;
9238 }
9239 }
9240
9241 self.select_next_state = Some(select_next_state);
9242 } else {
9243 let mut only_carets = true;
9244 let mut same_text_selected = true;
9245 let mut selected_text = None;
9246
9247 let mut selections_iter = selections.iter().peekable();
9248 while let Some(selection) = selections_iter.next() {
9249 if selection.start != selection.end {
9250 only_carets = false;
9251 }
9252
9253 if same_text_selected {
9254 if selected_text.is_none() {
9255 selected_text =
9256 Some(buffer.text_for_range(selection.range()).collect::<String>());
9257 }
9258
9259 if let Some(next_selection) = selections_iter.peek() {
9260 if next_selection.range().len() == selection.range().len() {
9261 let next_selected_text = buffer
9262 .text_for_range(next_selection.range())
9263 .collect::<String>();
9264 if Some(next_selected_text) != selected_text {
9265 same_text_selected = false;
9266 selected_text = None;
9267 }
9268 } else {
9269 same_text_selected = false;
9270 selected_text = None;
9271 }
9272 }
9273 }
9274 }
9275
9276 if only_carets {
9277 for selection in &mut selections {
9278 let word_range = movement::surrounding_word(
9279 display_map,
9280 selection.start.to_display_point(display_map),
9281 );
9282 selection.start = word_range.start.to_offset(display_map, Bias::Left);
9283 selection.end = word_range.end.to_offset(display_map, Bias::Left);
9284 selection.goal = SelectionGoal::None;
9285 selection.reversed = false;
9286 select_next_match_ranges(
9287 self,
9288 selection.start..selection.end,
9289 replace_newest,
9290 autoscroll,
9291 window,
9292 cx,
9293 );
9294 }
9295
9296 if selections.len() == 1 {
9297 let selection = selections
9298 .last()
9299 .expect("ensured that there's only one selection");
9300 let query = buffer
9301 .text_for_range(selection.start..selection.end)
9302 .collect::<String>();
9303 let is_empty = query.is_empty();
9304 let select_state = SelectNextState {
9305 query: AhoCorasick::new(&[query])?,
9306 wordwise: true,
9307 done: is_empty,
9308 };
9309 self.select_next_state = Some(select_state);
9310 } else {
9311 self.select_next_state = None;
9312 }
9313 } else if let Some(selected_text) = selected_text {
9314 self.select_next_state = Some(SelectNextState {
9315 query: AhoCorasick::new(&[selected_text])?,
9316 wordwise: false,
9317 done: false,
9318 });
9319 self.select_next_match_internal(
9320 display_map,
9321 replace_newest,
9322 autoscroll,
9323 window,
9324 cx,
9325 )?;
9326 }
9327 }
9328 Ok(())
9329 }
9330
9331 pub fn select_all_matches(
9332 &mut self,
9333 _action: &SelectAllMatches,
9334 window: &mut Window,
9335 cx: &mut Context<Self>,
9336 ) -> Result<()> {
9337 self.push_to_selection_history();
9338 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9339
9340 self.select_next_match_internal(&display_map, false, None, window, cx)?;
9341 let Some(select_next_state) = self.select_next_state.as_mut() else {
9342 return Ok(());
9343 };
9344 if select_next_state.done {
9345 return Ok(());
9346 }
9347
9348 let mut new_selections = self.selections.all::<usize>(cx);
9349
9350 let buffer = &display_map.buffer_snapshot;
9351 let query_matches = select_next_state
9352 .query
9353 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
9354
9355 for query_match in query_matches {
9356 let query_match = query_match.unwrap(); // can only fail due to I/O
9357 let offset_range = query_match.start()..query_match.end();
9358 let display_range = offset_range.start.to_display_point(&display_map)
9359 ..offset_range.end.to_display_point(&display_map);
9360
9361 if !select_next_state.wordwise
9362 || (!movement::is_inside_word(&display_map, display_range.start)
9363 && !movement::is_inside_word(&display_map, display_range.end))
9364 {
9365 self.selections.change_with(cx, |selections| {
9366 new_selections.push(Selection {
9367 id: selections.new_selection_id(),
9368 start: offset_range.start,
9369 end: offset_range.end,
9370 reversed: false,
9371 goal: SelectionGoal::None,
9372 });
9373 });
9374 }
9375 }
9376
9377 new_selections.sort_by_key(|selection| selection.start);
9378 let mut ix = 0;
9379 while ix + 1 < new_selections.len() {
9380 let current_selection = &new_selections[ix];
9381 let next_selection = &new_selections[ix + 1];
9382 if current_selection.range().overlaps(&next_selection.range()) {
9383 if current_selection.id < next_selection.id {
9384 new_selections.remove(ix + 1);
9385 } else {
9386 new_selections.remove(ix);
9387 }
9388 } else {
9389 ix += 1;
9390 }
9391 }
9392
9393 let reversed = self.selections.oldest::<usize>(cx).reversed;
9394
9395 for selection in new_selections.iter_mut() {
9396 selection.reversed = reversed;
9397 }
9398
9399 select_next_state.done = true;
9400 self.unfold_ranges(
9401 &new_selections
9402 .iter()
9403 .map(|selection| selection.range())
9404 .collect::<Vec<_>>(),
9405 false,
9406 false,
9407 cx,
9408 );
9409 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
9410 selections.select(new_selections)
9411 });
9412
9413 Ok(())
9414 }
9415
9416 pub fn select_next(
9417 &mut self,
9418 action: &SelectNext,
9419 window: &mut Window,
9420 cx: &mut Context<Self>,
9421 ) -> Result<()> {
9422 self.push_to_selection_history();
9423 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9424 self.select_next_match_internal(
9425 &display_map,
9426 action.replace_newest,
9427 Some(Autoscroll::newest()),
9428 window,
9429 cx,
9430 )?;
9431 Ok(())
9432 }
9433
9434 pub fn select_previous(
9435 &mut self,
9436 action: &SelectPrevious,
9437 window: &mut Window,
9438 cx: &mut Context<Self>,
9439 ) -> Result<()> {
9440 self.push_to_selection_history();
9441 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9442 let buffer = &display_map.buffer_snapshot;
9443 let mut selections = self.selections.all::<usize>(cx);
9444 if let Some(mut select_prev_state) = self.select_prev_state.take() {
9445 let query = &select_prev_state.query;
9446 if !select_prev_state.done {
9447 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9448 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9449 let mut next_selected_range = None;
9450 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
9451 let bytes_before_last_selection =
9452 buffer.reversed_bytes_in_range(0..last_selection.start);
9453 let bytes_after_first_selection =
9454 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
9455 let query_matches = query
9456 .stream_find_iter(bytes_before_last_selection)
9457 .map(|result| (last_selection.start, result))
9458 .chain(
9459 query
9460 .stream_find_iter(bytes_after_first_selection)
9461 .map(|result| (buffer.len(), result)),
9462 );
9463 for (end_offset, query_match) in query_matches {
9464 let query_match = query_match.unwrap(); // can only fail due to I/O
9465 let offset_range =
9466 end_offset - query_match.end()..end_offset - query_match.start();
9467 let display_range = offset_range.start.to_display_point(&display_map)
9468 ..offset_range.end.to_display_point(&display_map);
9469
9470 if !select_prev_state.wordwise
9471 || (!movement::is_inside_word(&display_map, display_range.start)
9472 && !movement::is_inside_word(&display_map, display_range.end))
9473 {
9474 next_selected_range = Some(offset_range);
9475 break;
9476 }
9477 }
9478
9479 if let Some(next_selected_range) = next_selected_range {
9480 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
9481 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9482 if action.replace_newest {
9483 s.delete(s.newest_anchor().id);
9484 }
9485 s.insert_range(next_selected_range);
9486 });
9487 } else {
9488 select_prev_state.done = true;
9489 }
9490 }
9491
9492 self.select_prev_state = Some(select_prev_state);
9493 } else {
9494 let mut only_carets = true;
9495 let mut same_text_selected = true;
9496 let mut selected_text = None;
9497
9498 let mut selections_iter = selections.iter().peekable();
9499 while let Some(selection) = selections_iter.next() {
9500 if selection.start != selection.end {
9501 only_carets = false;
9502 }
9503
9504 if same_text_selected {
9505 if selected_text.is_none() {
9506 selected_text =
9507 Some(buffer.text_for_range(selection.range()).collect::<String>());
9508 }
9509
9510 if let Some(next_selection) = selections_iter.peek() {
9511 if next_selection.range().len() == selection.range().len() {
9512 let next_selected_text = buffer
9513 .text_for_range(next_selection.range())
9514 .collect::<String>();
9515 if Some(next_selected_text) != selected_text {
9516 same_text_selected = false;
9517 selected_text = None;
9518 }
9519 } else {
9520 same_text_selected = false;
9521 selected_text = None;
9522 }
9523 }
9524 }
9525 }
9526
9527 if only_carets {
9528 for selection in &mut selections {
9529 let word_range = movement::surrounding_word(
9530 &display_map,
9531 selection.start.to_display_point(&display_map),
9532 );
9533 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
9534 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
9535 selection.goal = SelectionGoal::None;
9536 selection.reversed = false;
9537 }
9538 if selections.len() == 1 {
9539 let selection = selections
9540 .last()
9541 .expect("ensured that there's only one selection");
9542 let query = buffer
9543 .text_for_range(selection.start..selection.end)
9544 .collect::<String>();
9545 let is_empty = query.is_empty();
9546 let select_state = SelectNextState {
9547 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
9548 wordwise: true,
9549 done: is_empty,
9550 };
9551 self.select_prev_state = Some(select_state);
9552 } else {
9553 self.select_prev_state = None;
9554 }
9555
9556 self.unfold_ranges(
9557 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
9558 false,
9559 true,
9560 cx,
9561 );
9562 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9563 s.select(selections);
9564 });
9565 } else if let Some(selected_text) = selected_text {
9566 self.select_prev_state = Some(SelectNextState {
9567 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9568 wordwise: false,
9569 done: false,
9570 });
9571 self.select_previous(action, window, cx)?;
9572 }
9573 }
9574 Ok(())
9575 }
9576
9577 pub fn toggle_comments(
9578 &mut self,
9579 action: &ToggleComments,
9580 window: &mut Window,
9581 cx: &mut Context<Self>,
9582 ) {
9583 if self.read_only(cx) {
9584 return;
9585 }
9586 let text_layout_details = &self.text_layout_details(window);
9587 self.transact(window, cx, |this, window, cx| {
9588 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9589 let mut edits = Vec::new();
9590 let mut selection_edit_ranges = Vec::new();
9591 let mut last_toggled_row = None;
9592 let snapshot = this.buffer.read(cx).read(cx);
9593 let empty_str: Arc<str> = Arc::default();
9594 let mut suffixes_inserted = Vec::new();
9595 let ignore_indent = action.ignore_indent;
9596
9597 fn comment_prefix_range(
9598 snapshot: &MultiBufferSnapshot,
9599 row: MultiBufferRow,
9600 comment_prefix: &str,
9601 comment_prefix_whitespace: &str,
9602 ignore_indent: bool,
9603 ) -> Range<Point> {
9604 let indent_size = if ignore_indent {
9605 0
9606 } else {
9607 snapshot.indent_size_for_line(row).len
9608 };
9609
9610 let start = Point::new(row.0, indent_size);
9611
9612 let mut line_bytes = snapshot
9613 .bytes_in_range(start..snapshot.max_point())
9614 .flatten()
9615 .copied();
9616
9617 // If this line currently begins with the line comment prefix, then record
9618 // the range containing the prefix.
9619 if line_bytes
9620 .by_ref()
9621 .take(comment_prefix.len())
9622 .eq(comment_prefix.bytes())
9623 {
9624 // Include any whitespace that matches the comment prefix.
9625 let matching_whitespace_len = line_bytes
9626 .zip(comment_prefix_whitespace.bytes())
9627 .take_while(|(a, b)| a == b)
9628 .count() as u32;
9629 let end = Point::new(
9630 start.row,
9631 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9632 );
9633 start..end
9634 } else {
9635 start..start
9636 }
9637 }
9638
9639 fn comment_suffix_range(
9640 snapshot: &MultiBufferSnapshot,
9641 row: MultiBufferRow,
9642 comment_suffix: &str,
9643 comment_suffix_has_leading_space: bool,
9644 ) -> Range<Point> {
9645 let end = Point::new(row.0, snapshot.line_len(row));
9646 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9647
9648 let mut line_end_bytes = snapshot
9649 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9650 .flatten()
9651 .copied();
9652
9653 let leading_space_len = if suffix_start_column > 0
9654 && line_end_bytes.next() == Some(b' ')
9655 && comment_suffix_has_leading_space
9656 {
9657 1
9658 } else {
9659 0
9660 };
9661
9662 // If this line currently begins with the line comment prefix, then record
9663 // the range containing the prefix.
9664 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9665 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9666 start..end
9667 } else {
9668 end..end
9669 }
9670 }
9671
9672 // TODO: Handle selections that cross excerpts
9673 for selection in &mut selections {
9674 let start_column = snapshot
9675 .indent_size_for_line(MultiBufferRow(selection.start.row))
9676 .len;
9677 let language = if let Some(language) =
9678 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9679 {
9680 language
9681 } else {
9682 continue;
9683 };
9684
9685 selection_edit_ranges.clear();
9686
9687 // If multiple selections contain a given row, avoid processing that
9688 // row more than once.
9689 let mut start_row = MultiBufferRow(selection.start.row);
9690 if last_toggled_row == Some(start_row) {
9691 start_row = start_row.next_row();
9692 }
9693 let end_row =
9694 if selection.end.row > selection.start.row && selection.end.column == 0 {
9695 MultiBufferRow(selection.end.row - 1)
9696 } else {
9697 MultiBufferRow(selection.end.row)
9698 };
9699 last_toggled_row = Some(end_row);
9700
9701 if start_row > end_row {
9702 continue;
9703 }
9704
9705 // If the language has line comments, toggle those.
9706 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9707
9708 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9709 if ignore_indent {
9710 full_comment_prefixes = full_comment_prefixes
9711 .into_iter()
9712 .map(|s| Arc::from(s.trim_end()))
9713 .collect();
9714 }
9715
9716 if !full_comment_prefixes.is_empty() {
9717 let first_prefix = full_comment_prefixes
9718 .first()
9719 .expect("prefixes is non-empty");
9720 let prefix_trimmed_lengths = full_comment_prefixes
9721 .iter()
9722 .map(|p| p.trim_end_matches(' ').len())
9723 .collect::<SmallVec<[usize; 4]>>();
9724
9725 let mut all_selection_lines_are_comments = true;
9726
9727 for row in start_row.0..=end_row.0 {
9728 let row = MultiBufferRow(row);
9729 if start_row < end_row && snapshot.is_line_blank(row) {
9730 continue;
9731 }
9732
9733 let prefix_range = full_comment_prefixes
9734 .iter()
9735 .zip(prefix_trimmed_lengths.iter().copied())
9736 .map(|(prefix, trimmed_prefix_len)| {
9737 comment_prefix_range(
9738 snapshot.deref(),
9739 row,
9740 &prefix[..trimmed_prefix_len],
9741 &prefix[trimmed_prefix_len..],
9742 ignore_indent,
9743 )
9744 })
9745 .max_by_key(|range| range.end.column - range.start.column)
9746 .expect("prefixes is non-empty");
9747
9748 if prefix_range.is_empty() {
9749 all_selection_lines_are_comments = false;
9750 }
9751
9752 selection_edit_ranges.push(prefix_range);
9753 }
9754
9755 if all_selection_lines_are_comments {
9756 edits.extend(
9757 selection_edit_ranges
9758 .iter()
9759 .cloned()
9760 .map(|range| (range, empty_str.clone())),
9761 );
9762 } else {
9763 let min_column = selection_edit_ranges
9764 .iter()
9765 .map(|range| range.start.column)
9766 .min()
9767 .unwrap_or(0);
9768 edits.extend(selection_edit_ranges.iter().map(|range| {
9769 let position = Point::new(range.start.row, min_column);
9770 (position..position, first_prefix.clone())
9771 }));
9772 }
9773 } else if let Some((full_comment_prefix, comment_suffix)) =
9774 language.block_comment_delimiters()
9775 {
9776 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9777 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9778 let prefix_range = comment_prefix_range(
9779 snapshot.deref(),
9780 start_row,
9781 comment_prefix,
9782 comment_prefix_whitespace,
9783 ignore_indent,
9784 );
9785 let suffix_range = comment_suffix_range(
9786 snapshot.deref(),
9787 end_row,
9788 comment_suffix.trim_start_matches(' '),
9789 comment_suffix.starts_with(' '),
9790 );
9791
9792 if prefix_range.is_empty() || suffix_range.is_empty() {
9793 edits.push((
9794 prefix_range.start..prefix_range.start,
9795 full_comment_prefix.clone(),
9796 ));
9797 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9798 suffixes_inserted.push((end_row, comment_suffix.len()));
9799 } else {
9800 edits.push((prefix_range, empty_str.clone()));
9801 edits.push((suffix_range, empty_str.clone()));
9802 }
9803 } else {
9804 continue;
9805 }
9806 }
9807
9808 drop(snapshot);
9809 this.buffer.update(cx, |buffer, cx| {
9810 buffer.edit(edits, None, cx);
9811 });
9812
9813 // Adjust selections so that they end before any comment suffixes that
9814 // were inserted.
9815 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9816 let mut selections = this.selections.all::<Point>(cx);
9817 let snapshot = this.buffer.read(cx).read(cx);
9818 for selection in &mut selections {
9819 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9820 match row.cmp(&MultiBufferRow(selection.end.row)) {
9821 Ordering::Less => {
9822 suffixes_inserted.next();
9823 continue;
9824 }
9825 Ordering::Greater => break,
9826 Ordering::Equal => {
9827 if selection.end.column == snapshot.line_len(row) {
9828 if selection.is_empty() {
9829 selection.start.column -= suffix_len as u32;
9830 }
9831 selection.end.column -= suffix_len as u32;
9832 }
9833 break;
9834 }
9835 }
9836 }
9837 }
9838
9839 drop(snapshot);
9840 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9841 s.select(selections)
9842 });
9843
9844 let selections = this.selections.all::<Point>(cx);
9845 let selections_on_single_row = selections.windows(2).all(|selections| {
9846 selections[0].start.row == selections[1].start.row
9847 && selections[0].end.row == selections[1].end.row
9848 && selections[0].start.row == selections[0].end.row
9849 });
9850 let selections_selecting = selections
9851 .iter()
9852 .any(|selection| selection.start != selection.end);
9853 let advance_downwards = action.advance_downwards
9854 && selections_on_single_row
9855 && !selections_selecting
9856 && !matches!(this.mode, EditorMode::SingleLine { .. });
9857
9858 if advance_downwards {
9859 let snapshot = this.buffer.read(cx).snapshot(cx);
9860
9861 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9862 s.move_cursors_with(|display_snapshot, display_point, _| {
9863 let mut point = display_point.to_point(display_snapshot);
9864 point.row += 1;
9865 point = snapshot.clip_point(point, Bias::Left);
9866 let display_point = point.to_display_point(display_snapshot);
9867 let goal = SelectionGoal::HorizontalPosition(
9868 display_snapshot
9869 .x_for_display_point(display_point, text_layout_details)
9870 .into(),
9871 );
9872 (display_point, goal)
9873 })
9874 });
9875 }
9876 });
9877 }
9878
9879 pub fn select_enclosing_symbol(
9880 &mut self,
9881 _: &SelectEnclosingSymbol,
9882 window: &mut Window,
9883 cx: &mut Context<Self>,
9884 ) {
9885 let buffer = self.buffer.read(cx).snapshot(cx);
9886 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9887
9888 fn update_selection(
9889 selection: &Selection<usize>,
9890 buffer_snap: &MultiBufferSnapshot,
9891 ) -> Option<Selection<usize>> {
9892 let cursor = selection.head();
9893 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9894 for symbol in symbols.iter().rev() {
9895 let start = symbol.range.start.to_offset(buffer_snap);
9896 let end = symbol.range.end.to_offset(buffer_snap);
9897 let new_range = start..end;
9898 if start < selection.start || end > selection.end {
9899 return Some(Selection {
9900 id: selection.id,
9901 start: new_range.start,
9902 end: new_range.end,
9903 goal: SelectionGoal::None,
9904 reversed: selection.reversed,
9905 });
9906 }
9907 }
9908 None
9909 }
9910
9911 let mut selected_larger_symbol = false;
9912 let new_selections = old_selections
9913 .iter()
9914 .map(|selection| match update_selection(selection, &buffer) {
9915 Some(new_selection) => {
9916 if new_selection.range() != selection.range() {
9917 selected_larger_symbol = true;
9918 }
9919 new_selection
9920 }
9921 None => selection.clone(),
9922 })
9923 .collect::<Vec<_>>();
9924
9925 if selected_larger_symbol {
9926 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9927 s.select(new_selections);
9928 });
9929 }
9930 }
9931
9932 pub fn select_larger_syntax_node(
9933 &mut self,
9934 _: &SelectLargerSyntaxNode,
9935 window: &mut Window,
9936 cx: &mut Context<Self>,
9937 ) {
9938 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9939 let buffer = self.buffer.read(cx).snapshot(cx);
9940 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9941
9942 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9943 let mut selected_larger_node = false;
9944 let new_selections = old_selections
9945 .iter()
9946 .map(|selection| {
9947 let old_range = selection.start..selection.end;
9948 let mut new_range = old_range.clone();
9949 let mut new_node = None;
9950 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9951 {
9952 new_node = Some(node);
9953 new_range = containing_range;
9954 if !display_map.intersects_fold(new_range.start)
9955 && !display_map.intersects_fold(new_range.end)
9956 {
9957 break;
9958 }
9959 }
9960
9961 if let Some(node) = new_node {
9962 // Log the ancestor, to support using this action as a way to explore TreeSitter
9963 // nodes. Parent and grandparent are also logged because this operation will not
9964 // visit nodes that have the same range as their parent.
9965 log::info!("Node: {node:?}");
9966 let parent = node.parent();
9967 log::info!("Parent: {parent:?}");
9968 let grandparent = parent.and_then(|x| x.parent());
9969 log::info!("Grandparent: {grandparent:?}");
9970 }
9971
9972 selected_larger_node |= new_range != old_range;
9973 Selection {
9974 id: selection.id,
9975 start: new_range.start,
9976 end: new_range.end,
9977 goal: SelectionGoal::None,
9978 reversed: selection.reversed,
9979 }
9980 })
9981 .collect::<Vec<_>>();
9982
9983 if selected_larger_node {
9984 stack.push(old_selections);
9985 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9986 s.select(new_selections);
9987 });
9988 }
9989 self.select_larger_syntax_node_stack = stack;
9990 }
9991
9992 pub fn select_smaller_syntax_node(
9993 &mut self,
9994 _: &SelectSmallerSyntaxNode,
9995 window: &mut Window,
9996 cx: &mut Context<Self>,
9997 ) {
9998 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9999 if let Some(selections) = stack.pop() {
10000 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10001 s.select(selections.to_vec());
10002 });
10003 }
10004 self.select_larger_syntax_node_stack = stack;
10005 }
10006
10007 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
10008 if !EditorSettings::get_global(cx).gutter.runnables {
10009 self.clear_tasks();
10010 return Task::ready(());
10011 }
10012 let project = self.project.as_ref().map(Entity::downgrade);
10013 cx.spawn_in(window, |this, mut cx| async move {
10014 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
10015 let Some(project) = project.and_then(|p| p.upgrade()) else {
10016 return;
10017 };
10018 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
10019 this.display_map.update(cx, |map, cx| map.snapshot(cx))
10020 }) else {
10021 return;
10022 };
10023
10024 let hide_runnables = project
10025 .update(&mut cx, |project, cx| {
10026 // Do not display any test indicators in non-dev server remote projects.
10027 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
10028 })
10029 .unwrap_or(true);
10030 if hide_runnables {
10031 return;
10032 }
10033 let new_rows =
10034 cx.background_executor()
10035 .spawn({
10036 let snapshot = display_snapshot.clone();
10037 async move {
10038 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
10039 }
10040 })
10041 .await;
10042
10043 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
10044 this.update(&mut cx, |this, _| {
10045 this.clear_tasks();
10046 for (key, value) in rows {
10047 this.insert_tasks(key, value);
10048 }
10049 })
10050 .ok();
10051 })
10052 }
10053 fn fetch_runnable_ranges(
10054 snapshot: &DisplaySnapshot,
10055 range: Range<Anchor>,
10056 ) -> Vec<language::RunnableRange> {
10057 snapshot.buffer_snapshot.runnable_ranges(range).collect()
10058 }
10059
10060 fn runnable_rows(
10061 project: Entity<Project>,
10062 snapshot: DisplaySnapshot,
10063 runnable_ranges: Vec<RunnableRange>,
10064 mut cx: AsyncWindowContext,
10065 ) -> Vec<((BufferId, u32), RunnableTasks)> {
10066 runnable_ranges
10067 .into_iter()
10068 .filter_map(|mut runnable| {
10069 let tasks = cx
10070 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
10071 .ok()?;
10072 if tasks.is_empty() {
10073 return None;
10074 }
10075
10076 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
10077
10078 let row = snapshot
10079 .buffer_snapshot
10080 .buffer_line_for_row(MultiBufferRow(point.row))?
10081 .1
10082 .start
10083 .row;
10084
10085 let context_range =
10086 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
10087 Some((
10088 (runnable.buffer_id, row),
10089 RunnableTasks {
10090 templates: tasks,
10091 offset: MultiBufferOffset(runnable.run_range.start),
10092 context_range,
10093 column: point.column,
10094 extra_variables: runnable.extra_captures,
10095 },
10096 ))
10097 })
10098 .collect()
10099 }
10100
10101 fn templates_with_tags(
10102 project: &Entity<Project>,
10103 runnable: &mut Runnable,
10104 cx: &mut App,
10105 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
10106 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
10107 let (worktree_id, file) = project
10108 .buffer_for_id(runnable.buffer, cx)
10109 .and_then(|buffer| buffer.read(cx).file())
10110 .map(|file| (file.worktree_id(cx), file.clone()))
10111 .unzip();
10112
10113 (
10114 project.task_store().read(cx).task_inventory().cloned(),
10115 worktree_id,
10116 file,
10117 )
10118 });
10119
10120 let tags = mem::take(&mut runnable.tags);
10121 let mut tags: Vec<_> = tags
10122 .into_iter()
10123 .flat_map(|tag| {
10124 let tag = tag.0.clone();
10125 inventory
10126 .as_ref()
10127 .into_iter()
10128 .flat_map(|inventory| {
10129 inventory.read(cx).list_tasks(
10130 file.clone(),
10131 Some(runnable.language.clone()),
10132 worktree_id,
10133 cx,
10134 )
10135 })
10136 .filter(move |(_, template)| {
10137 template.tags.iter().any(|source_tag| source_tag == &tag)
10138 })
10139 })
10140 .sorted_by_key(|(kind, _)| kind.to_owned())
10141 .collect();
10142 if let Some((leading_tag_source, _)) = tags.first() {
10143 // Strongest source wins; if we have worktree tag binding, prefer that to
10144 // global and language bindings;
10145 // if we have a global binding, prefer that to language binding.
10146 let first_mismatch = tags
10147 .iter()
10148 .position(|(tag_source, _)| tag_source != leading_tag_source);
10149 if let Some(index) = first_mismatch {
10150 tags.truncate(index);
10151 }
10152 }
10153
10154 tags
10155 }
10156
10157 pub fn move_to_enclosing_bracket(
10158 &mut self,
10159 _: &MoveToEnclosingBracket,
10160 window: &mut Window,
10161 cx: &mut Context<Self>,
10162 ) {
10163 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10164 s.move_offsets_with(|snapshot, selection| {
10165 let Some(enclosing_bracket_ranges) =
10166 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
10167 else {
10168 return;
10169 };
10170
10171 let mut best_length = usize::MAX;
10172 let mut best_inside = false;
10173 let mut best_in_bracket_range = false;
10174 let mut best_destination = None;
10175 for (open, close) in enclosing_bracket_ranges {
10176 let close = close.to_inclusive();
10177 let length = close.end() - open.start;
10178 let inside = selection.start >= open.end && selection.end <= *close.start();
10179 let in_bracket_range = open.to_inclusive().contains(&selection.head())
10180 || close.contains(&selection.head());
10181
10182 // If best is next to a bracket and current isn't, skip
10183 if !in_bracket_range && best_in_bracket_range {
10184 continue;
10185 }
10186
10187 // Prefer smaller lengths unless best is inside and current isn't
10188 if length > best_length && (best_inside || !inside) {
10189 continue;
10190 }
10191
10192 best_length = length;
10193 best_inside = inside;
10194 best_in_bracket_range = in_bracket_range;
10195 best_destination = Some(
10196 if close.contains(&selection.start) && close.contains(&selection.end) {
10197 if inside {
10198 open.end
10199 } else {
10200 open.start
10201 }
10202 } else if inside {
10203 *close.start()
10204 } else {
10205 *close.end()
10206 },
10207 );
10208 }
10209
10210 if let Some(destination) = best_destination {
10211 selection.collapse_to(destination, SelectionGoal::None);
10212 }
10213 })
10214 });
10215 }
10216
10217 pub fn undo_selection(
10218 &mut self,
10219 _: &UndoSelection,
10220 window: &mut Window,
10221 cx: &mut Context<Self>,
10222 ) {
10223 self.end_selection(window, cx);
10224 self.selection_history.mode = SelectionHistoryMode::Undoing;
10225 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
10226 self.change_selections(None, window, cx, |s| {
10227 s.select_anchors(entry.selections.to_vec())
10228 });
10229 self.select_next_state = entry.select_next_state;
10230 self.select_prev_state = entry.select_prev_state;
10231 self.add_selections_state = entry.add_selections_state;
10232 self.request_autoscroll(Autoscroll::newest(), cx);
10233 }
10234 self.selection_history.mode = SelectionHistoryMode::Normal;
10235 }
10236
10237 pub fn redo_selection(
10238 &mut self,
10239 _: &RedoSelection,
10240 window: &mut Window,
10241 cx: &mut Context<Self>,
10242 ) {
10243 self.end_selection(window, cx);
10244 self.selection_history.mode = SelectionHistoryMode::Redoing;
10245 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
10246 self.change_selections(None, window, cx, |s| {
10247 s.select_anchors(entry.selections.to_vec())
10248 });
10249 self.select_next_state = entry.select_next_state;
10250 self.select_prev_state = entry.select_prev_state;
10251 self.add_selections_state = entry.add_selections_state;
10252 self.request_autoscroll(Autoscroll::newest(), cx);
10253 }
10254 self.selection_history.mode = SelectionHistoryMode::Normal;
10255 }
10256
10257 pub fn expand_excerpts(
10258 &mut self,
10259 action: &ExpandExcerpts,
10260 _: &mut Window,
10261 cx: &mut Context<Self>,
10262 ) {
10263 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
10264 }
10265
10266 pub fn expand_excerpts_down(
10267 &mut self,
10268 action: &ExpandExcerptsDown,
10269 _: &mut Window,
10270 cx: &mut Context<Self>,
10271 ) {
10272 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
10273 }
10274
10275 pub fn expand_excerpts_up(
10276 &mut self,
10277 action: &ExpandExcerptsUp,
10278 _: &mut Window,
10279 cx: &mut Context<Self>,
10280 ) {
10281 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
10282 }
10283
10284 pub fn expand_excerpts_for_direction(
10285 &mut self,
10286 lines: u32,
10287 direction: ExpandExcerptDirection,
10288
10289 cx: &mut Context<Self>,
10290 ) {
10291 let selections = self.selections.disjoint_anchors();
10292
10293 let lines = if lines == 0 {
10294 EditorSettings::get_global(cx).expand_excerpt_lines
10295 } else {
10296 lines
10297 };
10298
10299 self.buffer.update(cx, |buffer, cx| {
10300 let snapshot = buffer.snapshot(cx);
10301 let mut excerpt_ids = selections
10302 .iter()
10303 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
10304 .collect::<Vec<_>>();
10305 excerpt_ids.sort();
10306 excerpt_ids.dedup();
10307 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
10308 })
10309 }
10310
10311 pub fn expand_excerpt(
10312 &mut self,
10313 excerpt: ExcerptId,
10314 direction: ExpandExcerptDirection,
10315 cx: &mut Context<Self>,
10316 ) {
10317 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
10318 self.buffer.update(cx, |buffer, cx| {
10319 buffer.expand_excerpts([excerpt], lines, direction, cx)
10320 })
10321 }
10322
10323 pub fn go_to_singleton_buffer_point(
10324 &mut self,
10325 point: Point,
10326 window: &mut Window,
10327 cx: &mut Context<Self>,
10328 ) {
10329 self.go_to_singleton_buffer_range(point..point, window, cx);
10330 }
10331
10332 pub fn go_to_singleton_buffer_range(
10333 &mut self,
10334 range: Range<Point>,
10335 window: &mut Window,
10336 cx: &mut Context<Self>,
10337 ) {
10338 let multibuffer = self.buffer().read(cx);
10339 let Some(buffer) = multibuffer.as_singleton() else {
10340 return;
10341 };
10342 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
10343 return;
10344 };
10345 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
10346 return;
10347 };
10348 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
10349 s.select_anchor_ranges([start..end])
10350 });
10351 }
10352
10353 fn go_to_diagnostic(
10354 &mut self,
10355 _: &GoToDiagnostic,
10356 window: &mut Window,
10357 cx: &mut Context<Self>,
10358 ) {
10359 self.go_to_diagnostic_impl(Direction::Next, window, cx)
10360 }
10361
10362 fn go_to_prev_diagnostic(
10363 &mut self,
10364 _: &GoToPrevDiagnostic,
10365 window: &mut Window,
10366 cx: &mut Context<Self>,
10367 ) {
10368 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
10369 }
10370
10371 pub fn go_to_diagnostic_impl(
10372 &mut self,
10373 direction: Direction,
10374 window: &mut Window,
10375 cx: &mut Context<Self>,
10376 ) {
10377 let buffer = self.buffer.read(cx).snapshot(cx);
10378 let selection = self.selections.newest::<usize>(cx);
10379
10380 // If there is an active Diagnostic Popover jump to its diagnostic instead.
10381 if direction == Direction::Next {
10382 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
10383 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
10384 return;
10385 };
10386 self.activate_diagnostics(
10387 buffer_id,
10388 popover.local_diagnostic.diagnostic.group_id,
10389 window,
10390 cx,
10391 );
10392 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
10393 let primary_range_start = active_diagnostics.primary_range.start;
10394 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10395 let mut new_selection = s.newest_anchor().clone();
10396 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
10397 s.select_anchors(vec![new_selection.clone()]);
10398 });
10399 self.refresh_inline_completion(false, true, window, cx);
10400 }
10401 return;
10402 }
10403 }
10404
10405 let active_group_id = self
10406 .active_diagnostics
10407 .as_ref()
10408 .map(|active_group| active_group.group_id);
10409 let active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
10410 active_diagnostics
10411 .primary_range
10412 .to_offset(&buffer)
10413 .to_inclusive()
10414 });
10415 let search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
10416 if active_primary_range.contains(&selection.head()) {
10417 *active_primary_range.start()
10418 } else {
10419 selection.head()
10420 }
10421 } else {
10422 selection.head()
10423 };
10424
10425 let snapshot = self.snapshot(window, cx);
10426 let primary_diagnostics_before = buffer
10427 .diagnostics_in_range::<usize>(0..search_start)
10428 .filter(|entry| entry.diagnostic.is_primary)
10429 .filter(|entry| entry.range.start != entry.range.end)
10430 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10431 .filter(|entry| !snapshot.intersects_fold(entry.range.start))
10432 .collect::<Vec<_>>();
10433 let last_same_group_diagnostic_before = active_group_id.and_then(|active_group_id| {
10434 primary_diagnostics_before
10435 .iter()
10436 .position(|entry| entry.diagnostic.group_id == active_group_id)
10437 });
10438
10439 let primary_diagnostics_after = buffer
10440 .diagnostics_in_range::<usize>(search_start..buffer.len())
10441 .filter(|entry| entry.diagnostic.is_primary)
10442 .filter(|entry| entry.range.start != entry.range.end)
10443 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10444 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
10445 .collect::<Vec<_>>();
10446 let last_same_group_diagnostic_after = active_group_id.and_then(|active_group_id| {
10447 primary_diagnostics_after
10448 .iter()
10449 .enumerate()
10450 .rev()
10451 .find_map(|(i, entry)| {
10452 if entry.diagnostic.group_id == active_group_id {
10453 Some(i)
10454 } else {
10455 None
10456 }
10457 })
10458 });
10459
10460 let next_primary_diagnostic = match direction {
10461 Direction::Prev => primary_diagnostics_before
10462 .iter()
10463 .take(last_same_group_diagnostic_before.unwrap_or(usize::MAX))
10464 .rev()
10465 .next(),
10466 Direction::Next => primary_diagnostics_after
10467 .iter()
10468 .skip(
10469 last_same_group_diagnostic_after
10470 .map(|index| index + 1)
10471 .unwrap_or(0),
10472 )
10473 .next(),
10474 };
10475
10476 // Cycle around to the start of the buffer, potentially moving back to the start of
10477 // the currently active diagnostic.
10478 let cycle_around = || match direction {
10479 Direction::Prev => primary_diagnostics_after
10480 .iter()
10481 .rev()
10482 .chain(primary_diagnostics_before.iter().rev())
10483 .next(),
10484 Direction::Next => primary_diagnostics_before
10485 .iter()
10486 .chain(primary_diagnostics_after.iter())
10487 .next(),
10488 };
10489
10490 if let Some((primary_range, group_id)) = next_primary_diagnostic
10491 .or_else(cycle_around)
10492 .map(|entry| (&entry.range, entry.diagnostic.group_id))
10493 {
10494 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
10495 return;
10496 };
10497 self.activate_diagnostics(buffer_id, group_id, window, cx);
10498 if self.active_diagnostics.is_some() {
10499 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10500 s.select(vec![Selection {
10501 id: selection.id,
10502 start: primary_range.start,
10503 end: primary_range.start,
10504 reversed: false,
10505 goal: SelectionGoal::None,
10506 }]);
10507 });
10508 self.refresh_inline_completion(false, true, window, cx);
10509 }
10510 }
10511 }
10512
10513 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
10514 let snapshot = self.snapshot(window, cx);
10515 let selection = self.selections.newest::<Point>(cx);
10516 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
10517 }
10518
10519 fn go_to_hunk_after_position(
10520 &mut self,
10521 snapshot: &EditorSnapshot,
10522 position: Point,
10523 window: &mut Window,
10524 cx: &mut Context<Editor>,
10525 ) -> Option<MultiBufferDiffHunk> {
10526 let mut hunk = snapshot
10527 .buffer_snapshot
10528 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
10529 .find(|hunk| hunk.row_range.start.0 > position.row);
10530 if hunk.is_none() {
10531 hunk = snapshot
10532 .buffer_snapshot
10533 .diff_hunks_in_range(Point::zero()..position)
10534 .find(|hunk| hunk.row_range.end.0 < position.row)
10535 }
10536 if let Some(hunk) = &hunk {
10537 let destination = Point::new(hunk.row_range.start.0, 0);
10538 self.unfold_ranges(&[destination..destination], false, false, cx);
10539 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10540 s.select_ranges(vec![destination..destination]);
10541 });
10542 }
10543
10544 hunk
10545 }
10546
10547 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
10548 let snapshot = self.snapshot(window, cx);
10549 let selection = self.selections.newest::<Point>(cx);
10550 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
10551 }
10552
10553 fn go_to_hunk_before_position(
10554 &mut self,
10555 snapshot: &EditorSnapshot,
10556 position: Point,
10557 window: &mut Window,
10558 cx: &mut Context<Editor>,
10559 ) -> Option<MultiBufferDiffHunk> {
10560 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
10561 if hunk.is_none() {
10562 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
10563 }
10564 if let Some(hunk) = &hunk {
10565 let destination = Point::new(hunk.row_range.start.0, 0);
10566 self.unfold_ranges(&[destination..destination], false, false, cx);
10567 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10568 s.select_ranges(vec![destination..destination]);
10569 });
10570 }
10571
10572 hunk
10573 }
10574
10575 pub fn go_to_definition(
10576 &mut self,
10577 _: &GoToDefinition,
10578 window: &mut Window,
10579 cx: &mut Context<Self>,
10580 ) -> Task<Result<Navigated>> {
10581 let definition =
10582 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10583 cx.spawn_in(window, |editor, mut cx| async move {
10584 if definition.await? == Navigated::Yes {
10585 return Ok(Navigated::Yes);
10586 }
10587 match editor.update_in(&mut cx, |editor, window, cx| {
10588 editor.find_all_references(&FindAllReferences, window, cx)
10589 })? {
10590 Some(references) => references.await,
10591 None => Ok(Navigated::No),
10592 }
10593 })
10594 }
10595
10596 pub fn go_to_declaration(
10597 &mut self,
10598 _: &GoToDeclaration,
10599 window: &mut Window,
10600 cx: &mut Context<Self>,
10601 ) -> Task<Result<Navigated>> {
10602 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10603 }
10604
10605 pub fn go_to_declaration_split(
10606 &mut self,
10607 _: &GoToDeclaration,
10608 window: &mut Window,
10609 cx: &mut Context<Self>,
10610 ) -> Task<Result<Navigated>> {
10611 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10612 }
10613
10614 pub fn go_to_implementation(
10615 &mut self,
10616 _: &GoToImplementation,
10617 window: &mut Window,
10618 cx: &mut Context<Self>,
10619 ) -> Task<Result<Navigated>> {
10620 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10621 }
10622
10623 pub fn go_to_implementation_split(
10624 &mut self,
10625 _: &GoToImplementationSplit,
10626 window: &mut Window,
10627 cx: &mut Context<Self>,
10628 ) -> Task<Result<Navigated>> {
10629 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10630 }
10631
10632 pub fn go_to_type_definition(
10633 &mut self,
10634 _: &GoToTypeDefinition,
10635 window: &mut Window,
10636 cx: &mut Context<Self>,
10637 ) -> Task<Result<Navigated>> {
10638 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10639 }
10640
10641 pub fn go_to_definition_split(
10642 &mut self,
10643 _: &GoToDefinitionSplit,
10644 window: &mut Window,
10645 cx: &mut Context<Self>,
10646 ) -> Task<Result<Navigated>> {
10647 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10648 }
10649
10650 pub fn go_to_type_definition_split(
10651 &mut self,
10652 _: &GoToTypeDefinitionSplit,
10653 window: &mut Window,
10654 cx: &mut Context<Self>,
10655 ) -> Task<Result<Navigated>> {
10656 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10657 }
10658
10659 fn go_to_definition_of_kind(
10660 &mut self,
10661 kind: GotoDefinitionKind,
10662 split: bool,
10663 window: &mut Window,
10664 cx: &mut Context<Self>,
10665 ) -> Task<Result<Navigated>> {
10666 let Some(provider) = self.semantics_provider.clone() else {
10667 return Task::ready(Ok(Navigated::No));
10668 };
10669 let head = self.selections.newest::<usize>(cx).head();
10670 let buffer = self.buffer.read(cx);
10671 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10672 text_anchor
10673 } else {
10674 return Task::ready(Ok(Navigated::No));
10675 };
10676
10677 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10678 return Task::ready(Ok(Navigated::No));
10679 };
10680
10681 cx.spawn_in(window, |editor, mut cx| async move {
10682 let definitions = definitions.await?;
10683 let navigated = editor
10684 .update_in(&mut cx, |editor, window, cx| {
10685 editor.navigate_to_hover_links(
10686 Some(kind),
10687 definitions
10688 .into_iter()
10689 .filter(|location| {
10690 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10691 })
10692 .map(HoverLink::Text)
10693 .collect::<Vec<_>>(),
10694 split,
10695 window,
10696 cx,
10697 )
10698 })?
10699 .await?;
10700 anyhow::Ok(navigated)
10701 })
10702 }
10703
10704 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10705 let selection = self.selections.newest_anchor();
10706 let head = selection.head();
10707 let tail = selection.tail();
10708
10709 let Some((buffer, start_position)) =
10710 self.buffer.read(cx).text_anchor_for_position(head, cx)
10711 else {
10712 return;
10713 };
10714
10715 let end_position = if head != tail {
10716 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10717 return;
10718 };
10719 Some(pos)
10720 } else {
10721 None
10722 };
10723
10724 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10725 let url = if let Some(end_pos) = end_position {
10726 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10727 } else {
10728 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10729 };
10730
10731 if let Some(url) = url {
10732 editor.update(&mut cx, |_, cx| {
10733 cx.open_url(&url);
10734 })
10735 } else {
10736 Ok(())
10737 }
10738 });
10739
10740 url_finder.detach();
10741 }
10742
10743 pub fn open_selected_filename(
10744 &mut self,
10745 _: &OpenSelectedFilename,
10746 window: &mut Window,
10747 cx: &mut Context<Self>,
10748 ) {
10749 let Some(workspace) = self.workspace() else {
10750 return;
10751 };
10752
10753 let position = self.selections.newest_anchor().head();
10754
10755 let Some((buffer, buffer_position)) =
10756 self.buffer.read(cx).text_anchor_for_position(position, cx)
10757 else {
10758 return;
10759 };
10760
10761 let project = self.project.clone();
10762
10763 cx.spawn_in(window, |_, mut cx| async move {
10764 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10765
10766 if let Some((_, path)) = result {
10767 workspace
10768 .update_in(&mut cx, |workspace, window, cx| {
10769 workspace.open_resolved_path(path, window, cx)
10770 })?
10771 .await?;
10772 }
10773 anyhow::Ok(())
10774 })
10775 .detach();
10776 }
10777
10778 pub(crate) fn navigate_to_hover_links(
10779 &mut self,
10780 kind: Option<GotoDefinitionKind>,
10781 mut definitions: Vec<HoverLink>,
10782 split: bool,
10783 window: &mut Window,
10784 cx: &mut Context<Editor>,
10785 ) -> Task<Result<Navigated>> {
10786 // If there is one definition, just open it directly
10787 if definitions.len() == 1 {
10788 let definition = definitions.pop().unwrap();
10789
10790 enum TargetTaskResult {
10791 Location(Option<Location>),
10792 AlreadyNavigated,
10793 }
10794
10795 let target_task = match definition {
10796 HoverLink::Text(link) => {
10797 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10798 }
10799 HoverLink::InlayHint(lsp_location, server_id) => {
10800 let computation =
10801 self.compute_target_location(lsp_location, server_id, window, cx);
10802 cx.background_executor().spawn(async move {
10803 let location = computation.await?;
10804 Ok(TargetTaskResult::Location(location))
10805 })
10806 }
10807 HoverLink::Url(url) => {
10808 cx.open_url(&url);
10809 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10810 }
10811 HoverLink::File(path) => {
10812 if let Some(workspace) = self.workspace() {
10813 cx.spawn_in(window, |_, mut cx| async move {
10814 workspace
10815 .update_in(&mut cx, |workspace, window, cx| {
10816 workspace.open_resolved_path(path, window, cx)
10817 })?
10818 .await
10819 .map(|_| TargetTaskResult::AlreadyNavigated)
10820 })
10821 } else {
10822 Task::ready(Ok(TargetTaskResult::Location(None)))
10823 }
10824 }
10825 };
10826 cx.spawn_in(window, |editor, mut cx| async move {
10827 let target = match target_task.await.context("target resolution task")? {
10828 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10829 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10830 TargetTaskResult::Location(Some(target)) => target,
10831 };
10832
10833 editor.update_in(&mut cx, |editor, window, cx| {
10834 let Some(workspace) = editor.workspace() else {
10835 return Navigated::No;
10836 };
10837 let pane = workspace.read(cx).active_pane().clone();
10838
10839 let range = target.range.to_point(target.buffer.read(cx));
10840 let range = editor.range_for_match(&range);
10841 let range = collapse_multiline_range(range);
10842
10843 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10844 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10845 } else {
10846 window.defer(cx, move |window, cx| {
10847 let target_editor: Entity<Self> =
10848 workspace.update(cx, |workspace, cx| {
10849 let pane = if split {
10850 workspace.adjacent_pane(window, cx)
10851 } else {
10852 workspace.active_pane().clone()
10853 };
10854
10855 workspace.open_project_item(
10856 pane,
10857 target.buffer.clone(),
10858 true,
10859 true,
10860 window,
10861 cx,
10862 )
10863 });
10864 target_editor.update(cx, |target_editor, cx| {
10865 // When selecting a definition in a different buffer, disable the nav history
10866 // to avoid creating a history entry at the previous cursor location.
10867 pane.update(cx, |pane, _| pane.disable_history());
10868 target_editor.go_to_singleton_buffer_range(range, window, cx);
10869 pane.update(cx, |pane, _| pane.enable_history());
10870 });
10871 });
10872 }
10873 Navigated::Yes
10874 })
10875 })
10876 } else if !definitions.is_empty() {
10877 cx.spawn_in(window, |editor, mut cx| async move {
10878 let (title, location_tasks, workspace) = editor
10879 .update_in(&mut cx, |editor, window, cx| {
10880 let tab_kind = match kind {
10881 Some(GotoDefinitionKind::Implementation) => "Implementations",
10882 _ => "Definitions",
10883 };
10884 let title = definitions
10885 .iter()
10886 .find_map(|definition| match definition {
10887 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10888 let buffer = origin.buffer.read(cx);
10889 format!(
10890 "{} for {}",
10891 tab_kind,
10892 buffer
10893 .text_for_range(origin.range.clone())
10894 .collect::<String>()
10895 )
10896 }),
10897 HoverLink::InlayHint(_, _) => None,
10898 HoverLink::Url(_) => None,
10899 HoverLink::File(_) => None,
10900 })
10901 .unwrap_or(tab_kind.to_string());
10902 let location_tasks = definitions
10903 .into_iter()
10904 .map(|definition| match definition {
10905 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10906 HoverLink::InlayHint(lsp_location, server_id) => editor
10907 .compute_target_location(lsp_location, server_id, window, cx),
10908 HoverLink::Url(_) => Task::ready(Ok(None)),
10909 HoverLink::File(_) => Task::ready(Ok(None)),
10910 })
10911 .collect::<Vec<_>>();
10912 (title, location_tasks, editor.workspace().clone())
10913 })
10914 .context("location tasks preparation")?;
10915
10916 let locations = future::join_all(location_tasks)
10917 .await
10918 .into_iter()
10919 .filter_map(|location| location.transpose())
10920 .collect::<Result<_>>()
10921 .context("location tasks")?;
10922
10923 let Some(workspace) = workspace else {
10924 return Ok(Navigated::No);
10925 };
10926 let opened = workspace
10927 .update_in(&mut cx, |workspace, window, cx| {
10928 Self::open_locations_in_multibuffer(
10929 workspace,
10930 locations,
10931 title,
10932 split,
10933 MultibufferSelectionMode::First,
10934 window,
10935 cx,
10936 )
10937 })
10938 .ok();
10939
10940 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10941 })
10942 } else {
10943 Task::ready(Ok(Navigated::No))
10944 }
10945 }
10946
10947 fn compute_target_location(
10948 &self,
10949 lsp_location: lsp::Location,
10950 server_id: LanguageServerId,
10951 window: &mut Window,
10952 cx: &mut Context<Self>,
10953 ) -> Task<anyhow::Result<Option<Location>>> {
10954 let Some(project) = self.project.clone() else {
10955 return Task::ready(Ok(None));
10956 };
10957
10958 cx.spawn_in(window, move |editor, mut cx| async move {
10959 let location_task = editor.update(&mut cx, |_, cx| {
10960 project.update(cx, |project, cx| {
10961 let language_server_name = project
10962 .language_server_statuses(cx)
10963 .find(|(id, _)| server_id == *id)
10964 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10965 language_server_name.map(|language_server_name| {
10966 project.open_local_buffer_via_lsp(
10967 lsp_location.uri.clone(),
10968 server_id,
10969 language_server_name,
10970 cx,
10971 )
10972 })
10973 })
10974 })?;
10975 let location = match location_task {
10976 Some(task) => Some({
10977 let target_buffer_handle = task.await.context("open local buffer")?;
10978 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10979 let target_start = target_buffer
10980 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10981 let target_end = target_buffer
10982 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10983 target_buffer.anchor_after(target_start)
10984 ..target_buffer.anchor_before(target_end)
10985 })?;
10986 Location {
10987 buffer: target_buffer_handle,
10988 range,
10989 }
10990 }),
10991 None => None,
10992 };
10993 Ok(location)
10994 })
10995 }
10996
10997 pub fn find_all_references(
10998 &mut self,
10999 _: &FindAllReferences,
11000 window: &mut Window,
11001 cx: &mut Context<Self>,
11002 ) -> Option<Task<Result<Navigated>>> {
11003 let selection = self.selections.newest::<usize>(cx);
11004 let multi_buffer = self.buffer.read(cx);
11005 let head = selection.head();
11006
11007 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
11008 let head_anchor = multi_buffer_snapshot.anchor_at(
11009 head,
11010 if head < selection.tail() {
11011 Bias::Right
11012 } else {
11013 Bias::Left
11014 },
11015 );
11016
11017 match self
11018 .find_all_references_task_sources
11019 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
11020 {
11021 Ok(_) => {
11022 log::info!(
11023 "Ignoring repeated FindAllReferences invocation with the position of already running task"
11024 );
11025 return None;
11026 }
11027 Err(i) => {
11028 self.find_all_references_task_sources.insert(i, head_anchor);
11029 }
11030 }
11031
11032 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
11033 let workspace = self.workspace()?;
11034 let project = workspace.read(cx).project().clone();
11035 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
11036 Some(cx.spawn_in(window, |editor, mut cx| async move {
11037 let _cleanup = defer({
11038 let mut cx = cx.clone();
11039 move || {
11040 let _ = editor.update(&mut cx, |editor, _| {
11041 if let Ok(i) =
11042 editor
11043 .find_all_references_task_sources
11044 .binary_search_by(|anchor| {
11045 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
11046 })
11047 {
11048 editor.find_all_references_task_sources.remove(i);
11049 }
11050 });
11051 }
11052 });
11053
11054 let locations = references.await?;
11055 if locations.is_empty() {
11056 return anyhow::Ok(Navigated::No);
11057 }
11058
11059 workspace.update_in(&mut cx, |workspace, window, cx| {
11060 let title = locations
11061 .first()
11062 .as_ref()
11063 .map(|location| {
11064 let buffer = location.buffer.read(cx);
11065 format!(
11066 "References to `{}`",
11067 buffer
11068 .text_for_range(location.range.clone())
11069 .collect::<String>()
11070 )
11071 })
11072 .unwrap();
11073 Self::open_locations_in_multibuffer(
11074 workspace,
11075 locations,
11076 title,
11077 false,
11078 MultibufferSelectionMode::First,
11079 window,
11080 cx,
11081 );
11082 Navigated::Yes
11083 })
11084 }))
11085 }
11086
11087 /// Opens a multibuffer with the given project locations in it
11088 pub fn open_locations_in_multibuffer(
11089 workspace: &mut Workspace,
11090 mut locations: Vec<Location>,
11091 title: String,
11092 split: bool,
11093 multibuffer_selection_mode: MultibufferSelectionMode,
11094 window: &mut Window,
11095 cx: &mut Context<Workspace>,
11096 ) {
11097 // If there are multiple definitions, open them in a multibuffer
11098 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
11099 let mut locations = locations.into_iter().peekable();
11100 let mut ranges = Vec::new();
11101 let capability = workspace.project().read(cx).capability();
11102
11103 let excerpt_buffer = cx.new(|cx| {
11104 let mut multibuffer = MultiBuffer::new(capability);
11105 while let Some(location) = locations.next() {
11106 let buffer = location.buffer.read(cx);
11107 let mut ranges_for_buffer = Vec::new();
11108 let range = location.range.to_offset(buffer);
11109 ranges_for_buffer.push(range.clone());
11110
11111 while let Some(next_location) = locations.peek() {
11112 if next_location.buffer == location.buffer {
11113 ranges_for_buffer.push(next_location.range.to_offset(buffer));
11114 locations.next();
11115 } else {
11116 break;
11117 }
11118 }
11119
11120 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
11121 ranges.extend(multibuffer.push_excerpts_with_context_lines(
11122 location.buffer.clone(),
11123 ranges_for_buffer,
11124 DEFAULT_MULTIBUFFER_CONTEXT,
11125 cx,
11126 ))
11127 }
11128
11129 multibuffer.with_title(title)
11130 });
11131
11132 let editor = cx.new(|cx| {
11133 Editor::for_multibuffer(
11134 excerpt_buffer,
11135 Some(workspace.project().clone()),
11136 true,
11137 window,
11138 cx,
11139 )
11140 });
11141 editor.update(cx, |editor, cx| {
11142 match multibuffer_selection_mode {
11143 MultibufferSelectionMode::First => {
11144 if let Some(first_range) = ranges.first() {
11145 editor.change_selections(None, window, cx, |selections| {
11146 selections.clear_disjoint();
11147 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
11148 });
11149 }
11150 editor.highlight_background::<Self>(
11151 &ranges,
11152 |theme| theme.editor_highlighted_line_background,
11153 cx,
11154 );
11155 }
11156 MultibufferSelectionMode::All => {
11157 editor.change_selections(None, window, cx, |selections| {
11158 selections.clear_disjoint();
11159 selections.select_anchor_ranges(ranges);
11160 });
11161 }
11162 }
11163 editor.register_buffers_with_language_servers(cx);
11164 });
11165
11166 let item = Box::new(editor);
11167 let item_id = item.item_id();
11168
11169 if split {
11170 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
11171 } else {
11172 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
11173 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
11174 pane.close_current_preview_item(window, cx)
11175 } else {
11176 None
11177 }
11178 });
11179 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
11180 }
11181 workspace.active_pane().update(cx, |pane, cx| {
11182 pane.set_preview_item_id(Some(item_id), cx);
11183 });
11184 }
11185
11186 pub fn rename(
11187 &mut self,
11188 _: &Rename,
11189 window: &mut Window,
11190 cx: &mut Context<Self>,
11191 ) -> Option<Task<Result<()>>> {
11192 use language::ToOffset as _;
11193
11194 let provider = self.semantics_provider.clone()?;
11195 let selection = self.selections.newest_anchor().clone();
11196 let (cursor_buffer, cursor_buffer_position) = self
11197 .buffer
11198 .read(cx)
11199 .text_anchor_for_position(selection.head(), cx)?;
11200 let (tail_buffer, cursor_buffer_position_end) = self
11201 .buffer
11202 .read(cx)
11203 .text_anchor_for_position(selection.tail(), cx)?;
11204 if tail_buffer != cursor_buffer {
11205 return None;
11206 }
11207
11208 let snapshot = cursor_buffer.read(cx).snapshot();
11209 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
11210 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
11211 let prepare_rename = provider
11212 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
11213 .unwrap_or_else(|| Task::ready(Ok(None)));
11214 drop(snapshot);
11215
11216 Some(cx.spawn_in(window, |this, mut cx| async move {
11217 let rename_range = if let Some(range) = prepare_rename.await? {
11218 Some(range)
11219 } else {
11220 this.update(&mut cx, |this, cx| {
11221 let buffer = this.buffer.read(cx).snapshot(cx);
11222 let mut buffer_highlights = this
11223 .document_highlights_for_position(selection.head(), &buffer)
11224 .filter(|highlight| {
11225 highlight.start.excerpt_id == selection.head().excerpt_id
11226 && highlight.end.excerpt_id == selection.head().excerpt_id
11227 });
11228 buffer_highlights
11229 .next()
11230 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
11231 })?
11232 };
11233 if let Some(rename_range) = rename_range {
11234 this.update_in(&mut cx, |this, window, cx| {
11235 let snapshot = cursor_buffer.read(cx).snapshot();
11236 let rename_buffer_range = rename_range.to_offset(&snapshot);
11237 let cursor_offset_in_rename_range =
11238 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
11239 let cursor_offset_in_rename_range_end =
11240 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
11241
11242 this.take_rename(false, window, cx);
11243 let buffer = this.buffer.read(cx).read(cx);
11244 let cursor_offset = selection.head().to_offset(&buffer);
11245 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
11246 let rename_end = rename_start + rename_buffer_range.len();
11247 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
11248 let mut old_highlight_id = None;
11249 let old_name: Arc<str> = buffer
11250 .chunks(rename_start..rename_end, true)
11251 .map(|chunk| {
11252 if old_highlight_id.is_none() {
11253 old_highlight_id = chunk.syntax_highlight_id;
11254 }
11255 chunk.text
11256 })
11257 .collect::<String>()
11258 .into();
11259
11260 drop(buffer);
11261
11262 // Position the selection in the rename editor so that it matches the current selection.
11263 this.show_local_selections = false;
11264 let rename_editor = cx.new(|cx| {
11265 let mut editor = Editor::single_line(window, cx);
11266 editor.buffer.update(cx, |buffer, cx| {
11267 buffer.edit([(0..0, old_name.clone())], None, cx)
11268 });
11269 let rename_selection_range = match cursor_offset_in_rename_range
11270 .cmp(&cursor_offset_in_rename_range_end)
11271 {
11272 Ordering::Equal => {
11273 editor.select_all(&SelectAll, window, cx);
11274 return editor;
11275 }
11276 Ordering::Less => {
11277 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
11278 }
11279 Ordering::Greater => {
11280 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
11281 }
11282 };
11283 if rename_selection_range.end > old_name.len() {
11284 editor.select_all(&SelectAll, window, cx);
11285 } else {
11286 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
11287 s.select_ranges([rename_selection_range]);
11288 });
11289 }
11290 editor
11291 });
11292 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
11293 if e == &EditorEvent::Focused {
11294 cx.emit(EditorEvent::FocusedIn)
11295 }
11296 })
11297 .detach();
11298
11299 let write_highlights =
11300 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
11301 let read_highlights =
11302 this.clear_background_highlights::<DocumentHighlightRead>(cx);
11303 let ranges = write_highlights
11304 .iter()
11305 .flat_map(|(_, ranges)| ranges.iter())
11306 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
11307 .cloned()
11308 .collect();
11309
11310 this.highlight_text::<Rename>(
11311 ranges,
11312 HighlightStyle {
11313 fade_out: Some(0.6),
11314 ..Default::default()
11315 },
11316 cx,
11317 );
11318 let rename_focus_handle = rename_editor.focus_handle(cx);
11319 window.focus(&rename_focus_handle);
11320 let block_id = this.insert_blocks(
11321 [BlockProperties {
11322 style: BlockStyle::Flex,
11323 placement: BlockPlacement::Below(range.start),
11324 height: 1,
11325 render: Arc::new({
11326 let rename_editor = rename_editor.clone();
11327 move |cx: &mut BlockContext| {
11328 let mut text_style = cx.editor_style.text.clone();
11329 if let Some(highlight_style) = old_highlight_id
11330 .and_then(|h| h.style(&cx.editor_style.syntax))
11331 {
11332 text_style = text_style.highlight(highlight_style);
11333 }
11334 div()
11335 .block_mouse_down()
11336 .pl(cx.anchor_x)
11337 .child(EditorElement::new(
11338 &rename_editor,
11339 EditorStyle {
11340 background: cx.theme().system().transparent,
11341 local_player: cx.editor_style.local_player,
11342 text: text_style,
11343 scrollbar_width: cx.editor_style.scrollbar_width,
11344 syntax: cx.editor_style.syntax.clone(),
11345 status: cx.editor_style.status.clone(),
11346 inlay_hints_style: HighlightStyle {
11347 font_weight: Some(FontWeight::BOLD),
11348 ..make_inlay_hints_style(cx.app)
11349 },
11350 inline_completion_styles: make_suggestion_styles(
11351 cx.app,
11352 ),
11353 ..EditorStyle::default()
11354 },
11355 ))
11356 .into_any_element()
11357 }
11358 }),
11359 priority: 0,
11360 }],
11361 Some(Autoscroll::fit()),
11362 cx,
11363 )[0];
11364 this.pending_rename = Some(RenameState {
11365 range,
11366 old_name,
11367 editor: rename_editor,
11368 block_id,
11369 });
11370 })?;
11371 }
11372
11373 Ok(())
11374 }))
11375 }
11376
11377 pub fn confirm_rename(
11378 &mut self,
11379 _: &ConfirmRename,
11380 window: &mut Window,
11381 cx: &mut Context<Self>,
11382 ) -> Option<Task<Result<()>>> {
11383 let rename = self.take_rename(false, window, cx)?;
11384 let workspace = self.workspace()?.downgrade();
11385 let (buffer, start) = self
11386 .buffer
11387 .read(cx)
11388 .text_anchor_for_position(rename.range.start, cx)?;
11389 let (end_buffer, _) = self
11390 .buffer
11391 .read(cx)
11392 .text_anchor_for_position(rename.range.end, cx)?;
11393 if buffer != end_buffer {
11394 return None;
11395 }
11396
11397 let old_name = rename.old_name;
11398 let new_name = rename.editor.read(cx).text(cx);
11399
11400 let rename = self.semantics_provider.as_ref()?.perform_rename(
11401 &buffer,
11402 start,
11403 new_name.clone(),
11404 cx,
11405 )?;
11406
11407 Some(cx.spawn_in(window, |editor, mut cx| async move {
11408 let project_transaction = rename.await?;
11409 Self::open_project_transaction(
11410 &editor,
11411 workspace,
11412 project_transaction,
11413 format!("Rename: {} → {}", old_name, new_name),
11414 cx.clone(),
11415 )
11416 .await?;
11417
11418 editor.update(&mut cx, |editor, cx| {
11419 editor.refresh_document_highlights(cx);
11420 })?;
11421 Ok(())
11422 }))
11423 }
11424
11425 fn take_rename(
11426 &mut self,
11427 moving_cursor: bool,
11428 window: &mut Window,
11429 cx: &mut Context<Self>,
11430 ) -> Option<RenameState> {
11431 let rename = self.pending_rename.take()?;
11432 if rename.editor.focus_handle(cx).is_focused(window) {
11433 window.focus(&self.focus_handle);
11434 }
11435
11436 self.remove_blocks(
11437 [rename.block_id].into_iter().collect(),
11438 Some(Autoscroll::fit()),
11439 cx,
11440 );
11441 self.clear_highlights::<Rename>(cx);
11442 self.show_local_selections = true;
11443
11444 if moving_cursor {
11445 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
11446 editor.selections.newest::<usize>(cx).head()
11447 });
11448
11449 // Update the selection to match the position of the selection inside
11450 // the rename editor.
11451 let snapshot = self.buffer.read(cx).read(cx);
11452 let rename_range = rename.range.to_offset(&snapshot);
11453 let cursor_in_editor = snapshot
11454 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
11455 .min(rename_range.end);
11456 drop(snapshot);
11457
11458 self.change_selections(None, window, cx, |s| {
11459 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
11460 });
11461 } else {
11462 self.refresh_document_highlights(cx);
11463 }
11464
11465 Some(rename)
11466 }
11467
11468 pub fn pending_rename(&self) -> Option<&RenameState> {
11469 self.pending_rename.as_ref()
11470 }
11471
11472 fn format(
11473 &mut self,
11474 _: &Format,
11475 window: &mut Window,
11476 cx: &mut Context<Self>,
11477 ) -> Option<Task<Result<()>>> {
11478 let project = match &self.project {
11479 Some(project) => project.clone(),
11480 None => return None,
11481 };
11482
11483 Some(self.perform_format(
11484 project,
11485 FormatTrigger::Manual,
11486 FormatTarget::Buffers,
11487 window,
11488 cx,
11489 ))
11490 }
11491
11492 fn format_selections(
11493 &mut self,
11494 _: &FormatSelections,
11495 window: &mut Window,
11496 cx: &mut Context<Self>,
11497 ) -> Option<Task<Result<()>>> {
11498 let project = match &self.project {
11499 Some(project) => project.clone(),
11500 None => return None,
11501 };
11502
11503 let ranges = self
11504 .selections
11505 .all_adjusted(cx)
11506 .into_iter()
11507 .map(|selection| selection.range())
11508 .collect_vec();
11509
11510 Some(self.perform_format(
11511 project,
11512 FormatTrigger::Manual,
11513 FormatTarget::Ranges(ranges),
11514 window,
11515 cx,
11516 ))
11517 }
11518
11519 fn perform_format(
11520 &mut self,
11521 project: Entity<Project>,
11522 trigger: FormatTrigger,
11523 target: FormatTarget,
11524 window: &mut Window,
11525 cx: &mut Context<Self>,
11526 ) -> Task<Result<()>> {
11527 let buffer = self.buffer.clone();
11528 let (buffers, target) = match target {
11529 FormatTarget::Buffers => {
11530 let mut buffers = buffer.read(cx).all_buffers();
11531 if trigger == FormatTrigger::Save {
11532 buffers.retain(|buffer| buffer.read(cx).is_dirty());
11533 }
11534 (buffers, LspFormatTarget::Buffers)
11535 }
11536 FormatTarget::Ranges(selection_ranges) => {
11537 let multi_buffer = buffer.read(cx);
11538 let snapshot = multi_buffer.read(cx);
11539 let mut buffers = HashSet::default();
11540 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
11541 BTreeMap::new();
11542 for selection_range in selection_ranges {
11543 for (buffer, buffer_range, _) in
11544 snapshot.range_to_buffer_ranges(selection_range)
11545 {
11546 let buffer_id = buffer.remote_id();
11547 let start = buffer.anchor_before(buffer_range.start);
11548 let end = buffer.anchor_after(buffer_range.end);
11549 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
11550 buffer_id_to_ranges
11551 .entry(buffer_id)
11552 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
11553 .or_insert_with(|| vec![start..end]);
11554 }
11555 }
11556 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
11557 }
11558 };
11559
11560 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
11561 let format = project.update(cx, |project, cx| {
11562 project.format(buffers, target, true, trigger, cx)
11563 });
11564
11565 cx.spawn_in(window, |_, mut cx| async move {
11566 let transaction = futures::select_biased! {
11567 () = timeout => {
11568 log::warn!("timed out waiting for formatting");
11569 None
11570 }
11571 transaction = format.log_err().fuse() => transaction,
11572 };
11573
11574 buffer
11575 .update(&mut cx, |buffer, cx| {
11576 if let Some(transaction) = transaction {
11577 if !buffer.is_singleton() {
11578 buffer.push_transaction(&transaction.0, cx);
11579 }
11580 }
11581
11582 cx.notify();
11583 })
11584 .ok();
11585
11586 Ok(())
11587 })
11588 }
11589
11590 fn restart_language_server(
11591 &mut self,
11592 _: &RestartLanguageServer,
11593 _: &mut Window,
11594 cx: &mut Context<Self>,
11595 ) {
11596 if let Some(project) = self.project.clone() {
11597 self.buffer.update(cx, |multi_buffer, cx| {
11598 project.update(cx, |project, cx| {
11599 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11600 });
11601 })
11602 }
11603 }
11604
11605 fn cancel_language_server_work(
11606 workspace: &mut Workspace,
11607 _: &actions::CancelLanguageServerWork,
11608 _: &mut Window,
11609 cx: &mut Context<Workspace>,
11610 ) {
11611 let project = workspace.project();
11612 let buffers = workspace
11613 .active_item(cx)
11614 .and_then(|item| item.act_as::<Editor>(cx))
11615 .map_or(HashSet::default(), |editor| {
11616 editor.read(cx).buffer.read(cx).all_buffers()
11617 });
11618 project.update(cx, |project, cx| {
11619 project.cancel_language_server_work_for_buffers(buffers, cx);
11620 });
11621 }
11622
11623 fn show_character_palette(
11624 &mut self,
11625 _: &ShowCharacterPalette,
11626 window: &mut Window,
11627 _: &mut Context<Self>,
11628 ) {
11629 window.show_character_palette();
11630 }
11631
11632 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11633 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11634 let buffer = self.buffer.read(cx).snapshot(cx);
11635 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11636 let primary_range_end = active_diagnostics.primary_range.end.to_offset(&buffer);
11637 let is_valid = buffer
11638 .diagnostics_in_range::<usize>(primary_range_start..primary_range_end)
11639 .any(|entry| {
11640 entry.diagnostic.is_primary
11641 && !entry.range.is_empty()
11642 && entry.range.start == primary_range_start
11643 && entry.diagnostic.message == active_diagnostics.primary_message
11644 });
11645
11646 if is_valid != active_diagnostics.is_valid {
11647 active_diagnostics.is_valid = is_valid;
11648 let mut new_styles = HashMap::default();
11649 for (block_id, diagnostic) in &active_diagnostics.blocks {
11650 new_styles.insert(
11651 *block_id,
11652 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11653 );
11654 }
11655 self.display_map.update(cx, |display_map, _cx| {
11656 display_map.replace_blocks(new_styles)
11657 });
11658 }
11659 }
11660 }
11661
11662 fn activate_diagnostics(
11663 &mut self,
11664 buffer_id: BufferId,
11665 group_id: usize,
11666 window: &mut Window,
11667 cx: &mut Context<Self>,
11668 ) {
11669 self.dismiss_diagnostics(cx);
11670 let snapshot = self.snapshot(window, cx);
11671 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11672 let buffer = self.buffer.read(cx).snapshot(cx);
11673
11674 let mut primary_range = None;
11675 let mut primary_message = None;
11676 let diagnostic_group = buffer
11677 .diagnostic_group(buffer_id, group_id)
11678 .filter_map(|entry| {
11679 let start = entry.range.start;
11680 let end = entry.range.end;
11681 if snapshot.is_line_folded(MultiBufferRow(start.row))
11682 && (start.row == end.row
11683 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11684 {
11685 return None;
11686 }
11687 if entry.diagnostic.is_primary {
11688 primary_range = Some(entry.range.clone());
11689 primary_message = Some(entry.diagnostic.message.clone());
11690 }
11691 Some(entry)
11692 })
11693 .collect::<Vec<_>>();
11694 let primary_range = primary_range?;
11695 let primary_message = primary_message?;
11696
11697 let blocks = display_map
11698 .insert_blocks(
11699 diagnostic_group.iter().map(|entry| {
11700 let diagnostic = entry.diagnostic.clone();
11701 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11702 BlockProperties {
11703 style: BlockStyle::Fixed,
11704 placement: BlockPlacement::Below(
11705 buffer.anchor_after(entry.range.start),
11706 ),
11707 height: message_height,
11708 render: diagnostic_block_renderer(diagnostic, None, true, true),
11709 priority: 0,
11710 }
11711 }),
11712 cx,
11713 )
11714 .into_iter()
11715 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11716 .collect();
11717
11718 Some(ActiveDiagnosticGroup {
11719 primary_range: buffer.anchor_before(primary_range.start)
11720 ..buffer.anchor_after(primary_range.end),
11721 primary_message,
11722 group_id,
11723 blocks,
11724 is_valid: true,
11725 })
11726 });
11727 }
11728
11729 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11730 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11731 self.display_map.update(cx, |display_map, cx| {
11732 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11733 });
11734 cx.notify();
11735 }
11736 }
11737
11738 pub fn set_selections_from_remote(
11739 &mut self,
11740 selections: Vec<Selection<Anchor>>,
11741 pending_selection: Option<Selection<Anchor>>,
11742 window: &mut Window,
11743 cx: &mut Context<Self>,
11744 ) {
11745 let old_cursor_position = self.selections.newest_anchor().head();
11746 self.selections.change_with(cx, |s| {
11747 s.select_anchors(selections);
11748 if let Some(pending_selection) = pending_selection {
11749 s.set_pending(pending_selection, SelectMode::Character);
11750 } else {
11751 s.clear_pending();
11752 }
11753 });
11754 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11755 }
11756
11757 fn push_to_selection_history(&mut self) {
11758 self.selection_history.push(SelectionHistoryEntry {
11759 selections: self.selections.disjoint_anchors(),
11760 select_next_state: self.select_next_state.clone(),
11761 select_prev_state: self.select_prev_state.clone(),
11762 add_selections_state: self.add_selections_state.clone(),
11763 });
11764 }
11765
11766 pub fn transact(
11767 &mut self,
11768 window: &mut Window,
11769 cx: &mut Context<Self>,
11770 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11771 ) -> Option<TransactionId> {
11772 self.start_transaction_at(Instant::now(), window, cx);
11773 update(self, window, cx);
11774 self.end_transaction_at(Instant::now(), cx)
11775 }
11776
11777 pub fn start_transaction_at(
11778 &mut self,
11779 now: Instant,
11780 window: &mut Window,
11781 cx: &mut Context<Self>,
11782 ) {
11783 self.end_selection(window, cx);
11784 if let Some(tx_id) = self
11785 .buffer
11786 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11787 {
11788 self.selection_history
11789 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11790 cx.emit(EditorEvent::TransactionBegun {
11791 transaction_id: tx_id,
11792 })
11793 }
11794 }
11795
11796 pub fn end_transaction_at(
11797 &mut self,
11798 now: Instant,
11799 cx: &mut Context<Self>,
11800 ) -> Option<TransactionId> {
11801 if let Some(transaction_id) = self
11802 .buffer
11803 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11804 {
11805 if let Some((_, end_selections)) =
11806 self.selection_history.transaction_mut(transaction_id)
11807 {
11808 *end_selections = Some(self.selections.disjoint_anchors());
11809 } else {
11810 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11811 }
11812
11813 cx.emit(EditorEvent::Edited { transaction_id });
11814 Some(transaction_id)
11815 } else {
11816 None
11817 }
11818 }
11819
11820 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11821 if self.selection_mark_mode {
11822 self.change_selections(None, window, cx, |s| {
11823 s.move_with(|_, sel| {
11824 sel.collapse_to(sel.head(), SelectionGoal::None);
11825 });
11826 })
11827 }
11828 self.selection_mark_mode = true;
11829 cx.notify();
11830 }
11831
11832 pub fn swap_selection_ends(
11833 &mut self,
11834 _: &actions::SwapSelectionEnds,
11835 window: &mut Window,
11836 cx: &mut Context<Self>,
11837 ) {
11838 self.change_selections(None, window, cx, |s| {
11839 s.move_with(|_, sel| {
11840 if sel.start != sel.end {
11841 sel.reversed = !sel.reversed
11842 }
11843 });
11844 });
11845 self.request_autoscroll(Autoscroll::newest(), cx);
11846 cx.notify();
11847 }
11848
11849 pub fn toggle_fold(
11850 &mut self,
11851 _: &actions::ToggleFold,
11852 window: &mut Window,
11853 cx: &mut Context<Self>,
11854 ) {
11855 if self.is_singleton(cx) {
11856 let selection = self.selections.newest::<Point>(cx);
11857
11858 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11859 let range = if selection.is_empty() {
11860 let point = selection.head().to_display_point(&display_map);
11861 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11862 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11863 .to_point(&display_map);
11864 start..end
11865 } else {
11866 selection.range()
11867 };
11868 if display_map.folds_in_range(range).next().is_some() {
11869 self.unfold_lines(&Default::default(), window, cx)
11870 } else {
11871 self.fold(&Default::default(), window, cx)
11872 }
11873 } else {
11874 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11875 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11876 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11877 .map(|(snapshot, _, _)| snapshot.remote_id())
11878 .collect();
11879
11880 for buffer_id in buffer_ids {
11881 if self.is_buffer_folded(buffer_id, cx) {
11882 self.unfold_buffer(buffer_id, cx);
11883 } else {
11884 self.fold_buffer(buffer_id, cx);
11885 }
11886 }
11887 }
11888 }
11889
11890 pub fn toggle_fold_recursive(
11891 &mut self,
11892 _: &actions::ToggleFoldRecursive,
11893 window: &mut Window,
11894 cx: &mut Context<Self>,
11895 ) {
11896 let selection = self.selections.newest::<Point>(cx);
11897
11898 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11899 let range = if selection.is_empty() {
11900 let point = selection.head().to_display_point(&display_map);
11901 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11902 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11903 .to_point(&display_map);
11904 start..end
11905 } else {
11906 selection.range()
11907 };
11908 if display_map.folds_in_range(range).next().is_some() {
11909 self.unfold_recursive(&Default::default(), window, cx)
11910 } else {
11911 self.fold_recursive(&Default::default(), window, cx)
11912 }
11913 }
11914
11915 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11916 if self.is_singleton(cx) {
11917 let mut to_fold = Vec::new();
11918 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11919 let selections = self.selections.all_adjusted(cx);
11920
11921 for selection in selections {
11922 let range = selection.range().sorted();
11923 let buffer_start_row = range.start.row;
11924
11925 if range.start.row != range.end.row {
11926 let mut found = false;
11927 let mut row = range.start.row;
11928 while row <= range.end.row {
11929 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11930 {
11931 found = true;
11932 row = crease.range().end.row + 1;
11933 to_fold.push(crease);
11934 } else {
11935 row += 1
11936 }
11937 }
11938 if found {
11939 continue;
11940 }
11941 }
11942
11943 for row in (0..=range.start.row).rev() {
11944 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11945 if crease.range().end.row >= buffer_start_row {
11946 to_fold.push(crease);
11947 if row <= range.start.row {
11948 break;
11949 }
11950 }
11951 }
11952 }
11953 }
11954
11955 self.fold_creases(to_fold, true, window, cx);
11956 } else {
11957 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11958
11959 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11960 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11961 .map(|(snapshot, _, _)| snapshot.remote_id())
11962 .collect();
11963 for buffer_id in buffer_ids {
11964 self.fold_buffer(buffer_id, cx);
11965 }
11966 }
11967 }
11968
11969 fn fold_at_level(
11970 &mut self,
11971 fold_at: &FoldAtLevel,
11972 window: &mut Window,
11973 cx: &mut Context<Self>,
11974 ) {
11975 if !self.buffer.read(cx).is_singleton() {
11976 return;
11977 }
11978
11979 let fold_at_level = fold_at.0;
11980 let snapshot = self.buffer.read(cx).snapshot(cx);
11981 let mut to_fold = Vec::new();
11982 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11983
11984 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11985 while start_row < end_row {
11986 match self
11987 .snapshot(window, cx)
11988 .crease_for_buffer_row(MultiBufferRow(start_row))
11989 {
11990 Some(crease) => {
11991 let nested_start_row = crease.range().start.row + 1;
11992 let nested_end_row = crease.range().end.row;
11993
11994 if current_level < fold_at_level {
11995 stack.push((nested_start_row, nested_end_row, current_level + 1));
11996 } else if current_level == fold_at_level {
11997 to_fold.push(crease);
11998 }
11999
12000 start_row = nested_end_row + 1;
12001 }
12002 None => start_row += 1,
12003 }
12004 }
12005 }
12006
12007 self.fold_creases(to_fold, true, window, cx);
12008 }
12009
12010 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
12011 if self.buffer.read(cx).is_singleton() {
12012 let mut fold_ranges = Vec::new();
12013 let snapshot = self.buffer.read(cx).snapshot(cx);
12014
12015 for row in 0..snapshot.max_row().0 {
12016 if let Some(foldable_range) = self
12017 .snapshot(window, cx)
12018 .crease_for_buffer_row(MultiBufferRow(row))
12019 {
12020 fold_ranges.push(foldable_range);
12021 }
12022 }
12023
12024 self.fold_creases(fold_ranges, true, window, cx);
12025 } else {
12026 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
12027 editor
12028 .update_in(&mut cx, |editor, _, cx| {
12029 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12030 editor.fold_buffer(buffer_id, cx);
12031 }
12032 })
12033 .ok();
12034 });
12035 }
12036 }
12037
12038 pub fn fold_function_bodies(
12039 &mut self,
12040 _: &actions::FoldFunctionBodies,
12041 window: &mut Window,
12042 cx: &mut Context<Self>,
12043 ) {
12044 let snapshot = self.buffer.read(cx).snapshot(cx);
12045
12046 let ranges = snapshot
12047 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
12048 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
12049 .collect::<Vec<_>>();
12050
12051 let creases = ranges
12052 .into_iter()
12053 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
12054 .collect();
12055
12056 self.fold_creases(creases, true, window, cx);
12057 }
12058
12059 pub fn fold_recursive(
12060 &mut self,
12061 _: &actions::FoldRecursive,
12062 window: &mut Window,
12063 cx: &mut Context<Self>,
12064 ) {
12065 let mut to_fold = Vec::new();
12066 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12067 let selections = self.selections.all_adjusted(cx);
12068
12069 for selection in selections {
12070 let range = selection.range().sorted();
12071 let buffer_start_row = range.start.row;
12072
12073 if range.start.row != range.end.row {
12074 let mut found = false;
12075 for row in range.start.row..=range.end.row {
12076 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12077 found = true;
12078 to_fold.push(crease);
12079 }
12080 }
12081 if found {
12082 continue;
12083 }
12084 }
12085
12086 for row in (0..=range.start.row).rev() {
12087 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12088 if crease.range().end.row >= buffer_start_row {
12089 to_fold.push(crease);
12090 } else {
12091 break;
12092 }
12093 }
12094 }
12095 }
12096
12097 self.fold_creases(to_fold, true, window, cx);
12098 }
12099
12100 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
12101 let buffer_row = fold_at.buffer_row;
12102 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12103
12104 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
12105 let autoscroll = self
12106 .selections
12107 .all::<Point>(cx)
12108 .iter()
12109 .any(|selection| crease.range().overlaps(&selection.range()));
12110
12111 self.fold_creases(vec![crease], autoscroll, window, cx);
12112 }
12113 }
12114
12115 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
12116 if self.is_singleton(cx) {
12117 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12118 let buffer = &display_map.buffer_snapshot;
12119 let selections = self.selections.all::<Point>(cx);
12120 let ranges = selections
12121 .iter()
12122 .map(|s| {
12123 let range = s.display_range(&display_map).sorted();
12124 let mut start = range.start.to_point(&display_map);
12125 let mut end = range.end.to_point(&display_map);
12126 start.column = 0;
12127 end.column = buffer.line_len(MultiBufferRow(end.row));
12128 start..end
12129 })
12130 .collect::<Vec<_>>();
12131
12132 self.unfold_ranges(&ranges, true, true, cx);
12133 } else {
12134 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12135 let buffer_ids: HashSet<_> = multi_buffer_snapshot
12136 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
12137 .map(|(snapshot, _, _)| snapshot.remote_id())
12138 .collect();
12139 for buffer_id in buffer_ids {
12140 self.unfold_buffer(buffer_id, cx);
12141 }
12142 }
12143 }
12144
12145 pub fn unfold_recursive(
12146 &mut self,
12147 _: &UnfoldRecursive,
12148 _window: &mut Window,
12149 cx: &mut Context<Self>,
12150 ) {
12151 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12152 let selections = self.selections.all::<Point>(cx);
12153 let ranges = selections
12154 .iter()
12155 .map(|s| {
12156 let mut range = s.display_range(&display_map).sorted();
12157 *range.start.column_mut() = 0;
12158 *range.end.column_mut() = display_map.line_len(range.end.row());
12159 let start = range.start.to_point(&display_map);
12160 let end = range.end.to_point(&display_map);
12161 start..end
12162 })
12163 .collect::<Vec<_>>();
12164
12165 self.unfold_ranges(&ranges, true, true, cx);
12166 }
12167
12168 pub fn unfold_at(
12169 &mut self,
12170 unfold_at: &UnfoldAt,
12171 _window: &mut Window,
12172 cx: &mut Context<Self>,
12173 ) {
12174 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12175
12176 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
12177 ..Point::new(
12178 unfold_at.buffer_row.0,
12179 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
12180 );
12181
12182 let autoscroll = self
12183 .selections
12184 .all::<Point>(cx)
12185 .iter()
12186 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
12187
12188 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
12189 }
12190
12191 pub fn unfold_all(
12192 &mut self,
12193 _: &actions::UnfoldAll,
12194 _window: &mut Window,
12195 cx: &mut Context<Self>,
12196 ) {
12197 if self.buffer.read(cx).is_singleton() {
12198 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12199 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
12200 } else {
12201 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
12202 editor
12203 .update(&mut cx, |editor, cx| {
12204 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12205 editor.unfold_buffer(buffer_id, cx);
12206 }
12207 })
12208 .ok();
12209 });
12210 }
12211 }
12212
12213 pub fn fold_selected_ranges(
12214 &mut self,
12215 _: &FoldSelectedRanges,
12216 window: &mut Window,
12217 cx: &mut Context<Self>,
12218 ) {
12219 let selections = self.selections.all::<Point>(cx);
12220 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12221 let line_mode = self.selections.line_mode;
12222 let ranges = selections
12223 .into_iter()
12224 .map(|s| {
12225 if line_mode {
12226 let start = Point::new(s.start.row, 0);
12227 let end = Point::new(
12228 s.end.row,
12229 display_map
12230 .buffer_snapshot
12231 .line_len(MultiBufferRow(s.end.row)),
12232 );
12233 Crease::simple(start..end, display_map.fold_placeholder.clone())
12234 } else {
12235 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
12236 }
12237 })
12238 .collect::<Vec<_>>();
12239 self.fold_creases(ranges, true, window, cx);
12240 }
12241
12242 pub fn fold_ranges<T: ToOffset + Clone>(
12243 &mut self,
12244 ranges: Vec<Range<T>>,
12245 auto_scroll: bool,
12246 window: &mut Window,
12247 cx: &mut Context<Self>,
12248 ) {
12249 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12250 let ranges = ranges
12251 .into_iter()
12252 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
12253 .collect::<Vec<_>>();
12254 self.fold_creases(ranges, auto_scroll, window, cx);
12255 }
12256
12257 pub fn fold_creases<T: ToOffset + Clone>(
12258 &mut self,
12259 creases: Vec<Crease<T>>,
12260 auto_scroll: bool,
12261 window: &mut Window,
12262 cx: &mut Context<Self>,
12263 ) {
12264 if creases.is_empty() {
12265 return;
12266 }
12267
12268 let mut buffers_affected = HashSet::default();
12269 let multi_buffer = self.buffer().read(cx);
12270 for crease in &creases {
12271 if let Some((_, buffer, _)) =
12272 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
12273 {
12274 buffers_affected.insert(buffer.read(cx).remote_id());
12275 };
12276 }
12277
12278 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
12279
12280 if auto_scroll {
12281 self.request_autoscroll(Autoscroll::fit(), cx);
12282 }
12283
12284 cx.notify();
12285
12286 if let Some(active_diagnostics) = self.active_diagnostics.take() {
12287 // Clear diagnostics block when folding a range that contains it.
12288 let snapshot = self.snapshot(window, cx);
12289 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
12290 drop(snapshot);
12291 self.active_diagnostics = Some(active_diagnostics);
12292 self.dismiss_diagnostics(cx);
12293 } else {
12294 self.active_diagnostics = Some(active_diagnostics);
12295 }
12296 }
12297
12298 self.scrollbar_marker_state.dirty = true;
12299 }
12300
12301 /// Removes any folds whose ranges intersect any of the given ranges.
12302 pub fn unfold_ranges<T: ToOffset + Clone>(
12303 &mut self,
12304 ranges: &[Range<T>],
12305 inclusive: bool,
12306 auto_scroll: bool,
12307 cx: &mut Context<Self>,
12308 ) {
12309 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12310 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
12311 });
12312 }
12313
12314 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12315 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
12316 return;
12317 }
12318 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12319 self.display_map
12320 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
12321 cx.emit(EditorEvent::BufferFoldToggled {
12322 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
12323 folded: true,
12324 });
12325 cx.notify();
12326 }
12327
12328 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12329 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
12330 return;
12331 }
12332 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12333 self.display_map.update(cx, |display_map, cx| {
12334 display_map.unfold_buffer(buffer_id, cx);
12335 });
12336 cx.emit(EditorEvent::BufferFoldToggled {
12337 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
12338 folded: false,
12339 });
12340 cx.notify();
12341 }
12342
12343 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
12344 self.display_map.read(cx).is_buffer_folded(buffer)
12345 }
12346
12347 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
12348 self.display_map.read(cx).folded_buffers()
12349 }
12350
12351 /// Removes any folds with the given ranges.
12352 pub fn remove_folds_with_type<T: ToOffset + Clone>(
12353 &mut self,
12354 ranges: &[Range<T>],
12355 type_id: TypeId,
12356 auto_scroll: bool,
12357 cx: &mut Context<Self>,
12358 ) {
12359 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12360 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
12361 });
12362 }
12363
12364 fn remove_folds_with<T: ToOffset + Clone>(
12365 &mut self,
12366 ranges: &[Range<T>],
12367 auto_scroll: bool,
12368 cx: &mut Context<Self>,
12369 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
12370 ) {
12371 if ranges.is_empty() {
12372 return;
12373 }
12374
12375 let mut buffers_affected = HashSet::default();
12376 let multi_buffer = self.buffer().read(cx);
12377 for range in ranges {
12378 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
12379 buffers_affected.insert(buffer.read(cx).remote_id());
12380 };
12381 }
12382
12383 self.display_map.update(cx, update);
12384
12385 if auto_scroll {
12386 self.request_autoscroll(Autoscroll::fit(), cx);
12387 }
12388
12389 cx.notify();
12390 self.scrollbar_marker_state.dirty = true;
12391 self.active_indent_guides_state.dirty = true;
12392 }
12393
12394 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
12395 self.display_map.read(cx).fold_placeholder.clone()
12396 }
12397
12398 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
12399 self.buffer.update(cx, |buffer, cx| {
12400 buffer.set_all_diff_hunks_expanded(cx);
12401 });
12402 }
12403
12404 pub fn set_distinguish_unstaged_diff_hunks(&mut self) {
12405 self.distinguish_unstaged_diff_hunks = true;
12406 }
12407
12408 pub fn expand_all_diff_hunks(
12409 &mut self,
12410 _: &ExpandAllHunkDiffs,
12411 _window: &mut Window,
12412 cx: &mut Context<Self>,
12413 ) {
12414 self.buffer.update(cx, |buffer, cx| {
12415 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
12416 });
12417 }
12418
12419 pub fn toggle_selected_diff_hunks(
12420 &mut self,
12421 _: &ToggleSelectedDiffHunks,
12422 _window: &mut Window,
12423 cx: &mut Context<Self>,
12424 ) {
12425 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12426 self.toggle_diff_hunks_in_ranges(ranges, cx);
12427 }
12428
12429 fn diff_hunks_in_ranges<'a>(
12430 &'a self,
12431 ranges: &'a [Range<Anchor>],
12432 buffer: &'a MultiBufferSnapshot,
12433 ) -> impl 'a + Iterator<Item = MultiBufferDiffHunk> {
12434 ranges.iter().flat_map(move |range| {
12435 let end_excerpt_id = range.end.excerpt_id;
12436 let range = range.to_point(buffer);
12437 let mut peek_end = range.end;
12438 if range.end.row < buffer.max_row().0 {
12439 peek_end = Point::new(range.end.row + 1, 0);
12440 }
12441 buffer
12442 .diff_hunks_in_range(range.start..peek_end)
12443 .filter(move |hunk| hunk.excerpt_id.cmp(&end_excerpt_id, buffer).is_le())
12444 })
12445 }
12446
12447 pub fn has_stageable_diff_hunks_in_ranges(
12448 &self,
12449 ranges: &[Range<Anchor>],
12450 snapshot: &MultiBufferSnapshot,
12451 ) -> bool {
12452 let mut hunks = self.diff_hunks_in_ranges(ranges, &snapshot);
12453 hunks.any(|hunk| {
12454 log::debug!("considering {hunk:?}");
12455 hunk.secondary_status == DiffHunkSecondaryStatus::HasSecondaryHunk
12456 })
12457 }
12458
12459 pub fn toggle_staged_selected_diff_hunks(
12460 &mut self,
12461 _: &ToggleStagedSelectedDiffHunks,
12462 _window: &mut Window,
12463 cx: &mut Context<Self>,
12464 ) {
12465 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12466 self.stage_or_unstage_diff_hunks(&ranges, cx);
12467 }
12468
12469 pub fn stage_or_unstage_diff_hunks(
12470 &mut self,
12471 ranges: &[Range<Anchor>],
12472 cx: &mut Context<Self>,
12473 ) {
12474 let Some(project) = &self.project else {
12475 return;
12476 };
12477 let snapshot = self.buffer.read(cx).snapshot(cx);
12478 let stage = self.has_stageable_diff_hunks_in_ranges(ranges, &snapshot);
12479
12480 let chunk_by = self
12481 .diff_hunks_in_ranges(&ranges, &snapshot)
12482 .chunk_by(|hunk| hunk.buffer_id);
12483 for (buffer_id, hunks) in &chunk_by {
12484 let Some(buffer) = project.read(cx).buffer_for_id(buffer_id, cx) else {
12485 log::debug!("no buffer for id");
12486 continue;
12487 };
12488 let buffer = buffer.read(cx).snapshot();
12489 let Some((repo, path)) = project
12490 .read(cx)
12491 .repository_and_path_for_buffer_id(buffer_id, cx)
12492 else {
12493 log::debug!("no git repo for buffer id");
12494 continue;
12495 };
12496 let Some(diff) = snapshot.diff_for_buffer_id(buffer_id) else {
12497 log::debug!("no diff for buffer id");
12498 continue;
12499 };
12500 let Some(secondary_diff) = diff.secondary_diff() else {
12501 log::debug!("no secondary diff for buffer id");
12502 continue;
12503 };
12504
12505 let edits = diff.secondary_edits_for_stage_or_unstage(
12506 stage,
12507 hunks.map(|hunk| {
12508 (
12509 hunk.diff_base_byte_range.clone(),
12510 hunk.secondary_diff_base_byte_range.clone(),
12511 hunk.buffer_range.clone(),
12512 )
12513 }),
12514 &buffer,
12515 );
12516
12517 let index_base = secondary_diff.base_text().map_or_else(
12518 || Rope::from(""),
12519 |snapshot| snapshot.text.as_rope().clone(),
12520 );
12521 let index_buffer = cx.new(|cx| {
12522 Buffer::local_normalized(index_base.clone(), text::LineEnding::default(), cx)
12523 });
12524 let new_index_text = index_buffer.update(cx, |index_buffer, cx| {
12525 index_buffer.edit(edits, None, cx);
12526 index_buffer.snapshot().as_rope().to_string()
12527 });
12528 let new_index_text = if new_index_text.is_empty()
12529 && (diff.is_single_insertion
12530 || buffer
12531 .file()
12532 .map_or(false, |file| file.disk_state() == DiskState::New))
12533 {
12534 log::debug!("removing from index");
12535 None
12536 } else {
12537 Some(new_index_text)
12538 };
12539
12540 let _ = repo.read(cx).set_index_text(&path, new_index_text);
12541 }
12542 }
12543
12544 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
12545 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12546 self.buffer
12547 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
12548 }
12549
12550 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
12551 self.buffer.update(cx, |buffer, cx| {
12552 let ranges = vec![Anchor::min()..Anchor::max()];
12553 if !buffer.all_diff_hunks_expanded()
12554 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
12555 {
12556 buffer.collapse_diff_hunks(ranges, cx);
12557 true
12558 } else {
12559 false
12560 }
12561 })
12562 }
12563
12564 fn toggle_diff_hunks_in_ranges(
12565 &mut self,
12566 ranges: Vec<Range<Anchor>>,
12567 cx: &mut Context<'_, Editor>,
12568 ) {
12569 self.buffer.update(cx, |buffer, cx| {
12570 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12571 buffer.expand_or_collapse_diff_hunks(ranges, expand, cx);
12572 })
12573 }
12574
12575 fn toggle_diff_hunks_in_ranges_narrow(
12576 &mut self,
12577 ranges: Vec<Range<Anchor>>,
12578 cx: &mut Context<'_, Editor>,
12579 ) {
12580 self.buffer.update(cx, |buffer, cx| {
12581 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12582 buffer.expand_or_collapse_diff_hunks_narrow(ranges, expand, cx);
12583 })
12584 }
12585
12586 pub(crate) fn apply_all_diff_hunks(
12587 &mut self,
12588 _: &ApplyAllDiffHunks,
12589 window: &mut Window,
12590 cx: &mut Context<Self>,
12591 ) {
12592 let buffers = self.buffer.read(cx).all_buffers();
12593 for branch_buffer in buffers {
12594 branch_buffer.update(cx, |branch_buffer, cx| {
12595 branch_buffer.merge_into_base(Vec::new(), cx);
12596 });
12597 }
12598
12599 if let Some(project) = self.project.clone() {
12600 self.save(true, project, window, cx).detach_and_log_err(cx);
12601 }
12602 }
12603
12604 pub(crate) fn apply_selected_diff_hunks(
12605 &mut self,
12606 _: &ApplyDiffHunk,
12607 window: &mut Window,
12608 cx: &mut Context<Self>,
12609 ) {
12610 let snapshot = self.snapshot(window, cx);
12611 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
12612 let mut ranges_by_buffer = HashMap::default();
12613 self.transact(window, cx, |editor, _window, cx| {
12614 for hunk in hunks {
12615 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
12616 ranges_by_buffer
12617 .entry(buffer.clone())
12618 .or_insert_with(Vec::new)
12619 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
12620 }
12621 }
12622
12623 for (buffer, ranges) in ranges_by_buffer {
12624 buffer.update(cx, |buffer, cx| {
12625 buffer.merge_into_base(ranges, cx);
12626 });
12627 }
12628 });
12629
12630 if let Some(project) = self.project.clone() {
12631 self.save(true, project, window, cx).detach_and_log_err(cx);
12632 }
12633 }
12634
12635 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
12636 if hovered != self.gutter_hovered {
12637 self.gutter_hovered = hovered;
12638 cx.notify();
12639 }
12640 }
12641
12642 pub fn insert_blocks(
12643 &mut self,
12644 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
12645 autoscroll: Option<Autoscroll>,
12646 cx: &mut Context<Self>,
12647 ) -> Vec<CustomBlockId> {
12648 let blocks = self
12649 .display_map
12650 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
12651 if let Some(autoscroll) = autoscroll {
12652 self.request_autoscroll(autoscroll, cx);
12653 }
12654 cx.notify();
12655 blocks
12656 }
12657
12658 pub fn resize_blocks(
12659 &mut self,
12660 heights: HashMap<CustomBlockId, u32>,
12661 autoscroll: Option<Autoscroll>,
12662 cx: &mut Context<Self>,
12663 ) {
12664 self.display_map
12665 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
12666 if let Some(autoscroll) = autoscroll {
12667 self.request_autoscroll(autoscroll, cx);
12668 }
12669 cx.notify();
12670 }
12671
12672 pub fn replace_blocks(
12673 &mut self,
12674 renderers: HashMap<CustomBlockId, RenderBlock>,
12675 autoscroll: Option<Autoscroll>,
12676 cx: &mut Context<Self>,
12677 ) {
12678 self.display_map
12679 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
12680 if let Some(autoscroll) = autoscroll {
12681 self.request_autoscroll(autoscroll, cx);
12682 }
12683 cx.notify();
12684 }
12685
12686 pub fn remove_blocks(
12687 &mut self,
12688 block_ids: HashSet<CustomBlockId>,
12689 autoscroll: Option<Autoscroll>,
12690 cx: &mut Context<Self>,
12691 ) {
12692 self.display_map.update(cx, |display_map, cx| {
12693 display_map.remove_blocks(block_ids, cx)
12694 });
12695 if let Some(autoscroll) = autoscroll {
12696 self.request_autoscroll(autoscroll, cx);
12697 }
12698 cx.notify();
12699 }
12700
12701 pub fn row_for_block(
12702 &self,
12703 block_id: CustomBlockId,
12704 cx: &mut Context<Self>,
12705 ) -> Option<DisplayRow> {
12706 self.display_map
12707 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12708 }
12709
12710 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12711 self.focused_block = Some(focused_block);
12712 }
12713
12714 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12715 self.focused_block.take()
12716 }
12717
12718 pub fn insert_creases(
12719 &mut self,
12720 creases: impl IntoIterator<Item = Crease<Anchor>>,
12721 cx: &mut Context<Self>,
12722 ) -> Vec<CreaseId> {
12723 self.display_map
12724 .update(cx, |map, cx| map.insert_creases(creases, cx))
12725 }
12726
12727 pub fn remove_creases(
12728 &mut self,
12729 ids: impl IntoIterator<Item = CreaseId>,
12730 cx: &mut Context<Self>,
12731 ) {
12732 self.display_map
12733 .update(cx, |map, cx| map.remove_creases(ids, cx));
12734 }
12735
12736 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12737 self.display_map
12738 .update(cx, |map, cx| map.snapshot(cx))
12739 .longest_row()
12740 }
12741
12742 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12743 self.display_map
12744 .update(cx, |map, cx| map.snapshot(cx))
12745 .max_point()
12746 }
12747
12748 pub fn text(&self, cx: &App) -> String {
12749 self.buffer.read(cx).read(cx).text()
12750 }
12751
12752 pub fn is_empty(&self, cx: &App) -> bool {
12753 self.buffer.read(cx).read(cx).is_empty()
12754 }
12755
12756 pub fn text_option(&self, cx: &App) -> Option<String> {
12757 let text = self.text(cx);
12758 let text = text.trim();
12759
12760 if text.is_empty() {
12761 return None;
12762 }
12763
12764 Some(text.to_string())
12765 }
12766
12767 pub fn set_text(
12768 &mut self,
12769 text: impl Into<Arc<str>>,
12770 window: &mut Window,
12771 cx: &mut Context<Self>,
12772 ) {
12773 self.transact(window, cx, |this, _, cx| {
12774 this.buffer
12775 .read(cx)
12776 .as_singleton()
12777 .expect("you can only call set_text on editors for singleton buffers")
12778 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12779 });
12780 }
12781
12782 pub fn display_text(&self, cx: &mut App) -> String {
12783 self.display_map
12784 .update(cx, |map, cx| map.snapshot(cx))
12785 .text()
12786 }
12787
12788 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12789 let mut wrap_guides = smallvec::smallvec![];
12790
12791 if self.show_wrap_guides == Some(false) {
12792 return wrap_guides;
12793 }
12794
12795 let settings = self.buffer.read(cx).settings_at(0, cx);
12796 if settings.show_wrap_guides {
12797 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12798 wrap_guides.push((soft_wrap as usize, true));
12799 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12800 wrap_guides.push((soft_wrap as usize, true));
12801 }
12802 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12803 }
12804
12805 wrap_guides
12806 }
12807
12808 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12809 let settings = self.buffer.read(cx).settings_at(0, cx);
12810 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12811 match mode {
12812 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12813 SoftWrap::None
12814 }
12815 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12816 language_settings::SoftWrap::PreferredLineLength => {
12817 SoftWrap::Column(settings.preferred_line_length)
12818 }
12819 language_settings::SoftWrap::Bounded => {
12820 SoftWrap::Bounded(settings.preferred_line_length)
12821 }
12822 }
12823 }
12824
12825 pub fn set_soft_wrap_mode(
12826 &mut self,
12827 mode: language_settings::SoftWrap,
12828
12829 cx: &mut Context<Self>,
12830 ) {
12831 self.soft_wrap_mode_override = Some(mode);
12832 cx.notify();
12833 }
12834
12835 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12836 self.text_style_refinement = Some(style);
12837 }
12838
12839 /// called by the Element so we know what style we were most recently rendered with.
12840 pub(crate) fn set_style(
12841 &mut self,
12842 style: EditorStyle,
12843 window: &mut Window,
12844 cx: &mut Context<Self>,
12845 ) {
12846 let rem_size = window.rem_size();
12847 self.display_map.update(cx, |map, cx| {
12848 map.set_font(
12849 style.text.font(),
12850 style.text.font_size.to_pixels(rem_size),
12851 cx,
12852 )
12853 });
12854 self.style = Some(style);
12855 }
12856
12857 pub fn style(&self) -> Option<&EditorStyle> {
12858 self.style.as_ref()
12859 }
12860
12861 // Called by the element. This method is not designed to be called outside of the editor
12862 // element's layout code because it does not notify when rewrapping is computed synchronously.
12863 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12864 self.display_map
12865 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12866 }
12867
12868 pub fn set_soft_wrap(&mut self) {
12869 self.soft_wrap_mode_override = Some(language_settings::SoftWrap::EditorWidth)
12870 }
12871
12872 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12873 if self.soft_wrap_mode_override.is_some() {
12874 self.soft_wrap_mode_override.take();
12875 } else {
12876 let soft_wrap = match self.soft_wrap_mode(cx) {
12877 SoftWrap::GitDiff => return,
12878 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12879 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12880 language_settings::SoftWrap::None
12881 }
12882 };
12883 self.soft_wrap_mode_override = Some(soft_wrap);
12884 }
12885 cx.notify();
12886 }
12887
12888 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12889 let Some(workspace) = self.workspace() else {
12890 return;
12891 };
12892 let fs = workspace.read(cx).app_state().fs.clone();
12893 let current_show = TabBarSettings::get_global(cx).show;
12894 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12895 setting.show = Some(!current_show);
12896 });
12897 }
12898
12899 pub fn toggle_indent_guides(
12900 &mut self,
12901 _: &ToggleIndentGuides,
12902 _: &mut Window,
12903 cx: &mut Context<Self>,
12904 ) {
12905 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12906 self.buffer
12907 .read(cx)
12908 .settings_at(0, cx)
12909 .indent_guides
12910 .enabled
12911 });
12912 self.show_indent_guides = Some(!currently_enabled);
12913 cx.notify();
12914 }
12915
12916 fn should_show_indent_guides(&self) -> Option<bool> {
12917 self.show_indent_guides
12918 }
12919
12920 pub fn toggle_line_numbers(
12921 &mut self,
12922 _: &ToggleLineNumbers,
12923 _: &mut Window,
12924 cx: &mut Context<Self>,
12925 ) {
12926 let mut editor_settings = EditorSettings::get_global(cx).clone();
12927 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12928 EditorSettings::override_global(editor_settings, cx);
12929 }
12930
12931 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12932 self.use_relative_line_numbers
12933 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12934 }
12935
12936 pub fn toggle_relative_line_numbers(
12937 &mut self,
12938 _: &ToggleRelativeLineNumbers,
12939 _: &mut Window,
12940 cx: &mut Context<Self>,
12941 ) {
12942 let is_relative = self.should_use_relative_line_numbers(cx);
12943 self.set_relative_line_number(Some(!is_relative), cx)
12944 }
12945
12946 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12947 self.use_relative_line_numbers = is_relative;
12948 cx.notify();
12949 }
12950
12951 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12952 self.show_gutter = show_gutter;
12953 cx.notify();
12954 }
12955
12956 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12957 self.show_scrollbars = show_scrollbars;
12958 cx.notify();
12959 }
12960
12961 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12962 self.show_line_numbers = Some(show_line_numbers);
12963 cx.notify();
12964 }
12965
12966 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12967 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12968 cx.notify();
12969 }
12970
12971 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12972 self.show_code_actions = Some(show_code_actions);
12973 cx.notify();
12974 }
12975
12976 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12977 self.show_runnables = Some(show_runnables);
12978 cx.notify();
12979 }
12980
12981 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12982 if self.display_map.read(cx).masked != masked {
12983 self.display_map.update(cx, |map, _| map.masked = masked);
12984 }
12985 cx.notify()
12986 }
12987
12988 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12989 self.show_wrap_guides = Some(show_wrap_guides);
12990 cx.notify();
12991 }
12992
12993 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12994 self.show_indent_guides = Some(show_indent_guides);
12995 cx.notify();
12996 }
12997
12998 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12999 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
13000 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
13001 if let Some(dir) = file.abs_path(cx).parent() {
13002 return Some(dir.to_owned());
13003 }
13004 }
13005
13006 if let Some(project_path) = buffer.read(cx).project_path(cx) {
13007 return Some(project_path.path.to_path_buf());
13008 }
13009 }
13010
13011 None
13012 }
13013
13014 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
13015 self.active_excerpt(cx)?
13016 .1
13017 .read(cx)
13018 .file()
13019 .and_then(|f| f.as_local())
13020 }
13021
13022 pub fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
13023 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
13024 let buffer = buffer.read(cx);
13025 if let Some(project_path) = buffer.project_path(cx) {
13026 let project = self.project.as_ref()?.read(cx);
13027 project.absolute_path(&project_path, cx)
13028 } else {
13029 buffer
13030 .file()
13031 .and_then(|file| file.as_local().map(|file| file.abs_path(cx)))
13032 }
13033 })
13034 }
13035
13036 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
13037 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
13038 let project_path = buffer.read(cx).project_path(cx)?;
13039 let project = self.project.as_ref()?.read(cx);
13040 let entry = project.entry_for_path(&project_path, cx)?;
13041 let path = entry.path.to_path_buf();
13042 Some(path)
13043 })
13044 }
13045
13046 pub fn reveal_in_finder(
13047 &mut self,
13048 _: &RevealInFileManager,
13049 _window: &mut Window,
13050 cx: &mut Context<Self>,
13051 ) {
13052 if let Some(target) = self.target_file(cx) {
13053 cx.reveal_path(&target.abs_path(cx));
13054 }
13055 }
13056
13057 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
13058 if let Some(path) = self.target_file_abs_path(cx) {
13059 if let Some(path) = path.to_str() {
13060 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
13061 }
13062 }
13063 }
13064
13065 pub fn copy_relative_path(
13066 &mut self,
13067 _: &CopyRelativePath,
13068 _window: &mut Window,
13069 cx: &mut Context<Self>,
13070 ) {
13071 if let Some(path) = self.target_file_path(cx) {
13072 if let Some(path) = path.to_str() {
13073 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
13074 }
13075 }
13076 }
13077
13078 pub fn copy_file_name_without_extension(
13079 &mut self,
13080 _: &CopyFileNameWithoutExtension,
13081 _: &mut Window,
13082 cx: &mut Context<Self>,
13083 ) {
13084 if let Some(file) = self.target_file(cx) {
13085 if let Some(file_stem) = file.path().file_stem() {
13086 if let Some(name) = file_stem.to_str() {
13087 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
13088 }
13089 }
13090 }
13091 }
13092
13093 pub fn copy_file_name(&mut self, _: &CopyFileName, _: &mut Window, cx: &mut Context<Self>) {
13094 if let Some(file) = self.target_file(cx) {
13095 if let Some(file_name) = file.path().file_name() {
13096 if let Some(name) = file_name.to_str() {
13097 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
13098 }
13099 }
13100 }
13101 }
13102
13103 pub fn toggle_git_blame(
13104 &mut self,
13105 _: &ToggleGitBlame,
13106 window: &mut Window,
13107 cx: &mut Context<Self>,
13108 ) {
13109 self.show_git_blame_gutter = !self.show_git_blame_gutter;
13110
13111 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
13112 self.start_git_blame(true, window, cx);
13113 }
13114
13115 cx.notify();
13116 }
13117
13118 pub fn toggle_git_blame_inline(
13119 &mut self,
13120 _: &ToggleGitBlameInline,
13121 window: &mut Window,
13122 cx: &mut Context<Self>,
13123 ) {
13124 self.toggle_git_blame_inline_internal(true, window, cx);
13125 cx.notify();
13126 }
13127
13128 pub fn git_blame_inline_enabled(&self) -> bool {
13129 self.git_blame_inline_enabled
13130 }
13131
13132 pub fn toggle_selection_menu(
13133 &mut self,
13134 _: &ToggleSelectionMenu,
13135 _: &mut Window,
13136 cx: &mut Context<Self>,
13137 ) {
13138 self.show_selection_menu = self
13139 .show_selection_menu
13140 .map(|show_selections_menu| !show_selections_menu)
13141 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
13142
13143 cx.notify();
13144 }
13145
13146 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
13147 self.show_selection_menu
13148 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
13149 }
13150
13151 fn start_git_blame(
13152 &mut self,
13153 user_triggered: bool,
13154 window: &mut Window,
13155 cx: &mut Context<Self>,
13156 ) {
13157 if let Some(project) = self.project.as_ref() {
13158 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
13159 return;
13160 };
13161
13162 if buffer.read(cx).file().is_none() {
13163 return;
13164 }
13165
13166 let focused = self.focus_handle(cx).contains_focused(window, cx);
13167
13168 let project = project.clone();
13169 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
13170 self.blame_subscription =
13171 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
13172 self.blame = Some(blame);
13173 }
13174 }
13175
13176 fn toggle_git_blame_inline_internal(
13177 &mut self,
13178 user_triggered: bool,
13179 window: &mut Window,
13180 cx: &mut Context<Self>,
13181 ) {
13182 if self.git_blame_inline_enabled {
13183 self.git_blame_inline_enabled = false;
13184 self.show_git_blame_inline = false;
13185 self.show_git_blame_inline_delay_task.take();
13186 } else {
13187 self.git_blame_inline_enabled = true;
13188 self.start_git_blame_inline(user_triggered, window, cx);
13189 }
13190
13191 cx.notify();
13192 }
13193
13194 fn start_git_blame_inline(
13195 &mut self,
13196 user_triggered: bool,
13197 window: &mut Window,
13198 cx: &mut Context<Self>,
13199 ) {
13200 self.start_git_blame(user_triggered, window, cx);
13201
13202 if ProjectSettings::get_global(cx)
13203 .git
13204 .inline_blame_delay()
13205 .is_some()
13206 {
13207 self.start_inline_blame_timer(window, cx);
13208 } else {
13209 self.show_git_blame_inline = true
13210 }
13211 }
13212
13213 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
13214 self.blame.as_ref()
13215 }
13216
13217 pub fn show_git_blame_gutter(&self) -> bool {
13218 self.show_git_blame_gutter
13219 }
13220
13221 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
13222 self.show_git_blame_gutter && self.has_blame_entries(cx)
13223 }
13224
13225 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
13226 self.show_git_blame_inline
13227 && self.focus_handle.is_focused(window)
13228 && !self.newest_selection_head_on_empty_line(cx)
13229 && self.has_blame_entries(cx)
13230 }
13231
13232 fn has_blame_entries(&self, cx: &App) -> bool {
13233 self.blame()
13234 .map_or(false, |blame| blame.read(cx).has_generated_entries())
13235 }
13236
13237 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
13238 let cursor_anchor = self.selections.newest_anchor().head();
13239
13240 let snapshot = self.buffer.read(cx).snapshot(cx);
13241 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
13242
13243 snapshot.line_len(buffer_row) == 0
13244 }
13245
13246 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
13247 let buffer_and_selection = maybe!({
13248 let selection = self.selections.newest::<Point>(cx);
13249 let selection_range = selection.range();
13250
13251 let multi_buffer = self.buffer().read(cx);
13252 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13253 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
13254
13255 let (buffer, range, _) = if selection.reversed {
13256 buffer_ranges.first()
13257 } else {
13258 buffer_ranges.last()
13259 }?;
13260
13261 let selection = text::ToPoint::to_point(&range.start, &buffer).row
13262 ..text::ToPoint::to_point(&range.end, &buffer).row;
13263 Some((
13264 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
13265 selection,
13266 ))
13267 });
13268
13269 let Some((buffer, selection)) = buffer_and_selection else {
13270 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
13271 };
13272
13273 let Some(project) = self.project.as_ref() else {
13274 return Task::ready(Err(anyhow!("editor does not have project")));
13275 };
13276
13277 project.update(cx, |project, cx| {
13278 project.get_permalink_to_line(&buffer, selection, cx)
13279 })
13280 }
13281
13282 pub fn copy_permalink_to_line(
13283 &mut self,
13284 _: &CopyPermalinkToLine,
13285 window: &mut Window,
13286 cx: &mut Context<Self>,
13287 ) {
13288 let permalink_task = self.get_permalink_to_line(cx);
13289 let workspace = self.workspace();
13290
13291 cx.spawn_in(window, |_, mut cx| async move {
13292 match permalink_task.await {
13293 Ok(permalink) => {
13294 cx.update(|_, cx| {
13295 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
13296 })
13297 .ok();
13298 }
13299 Err(err) => {
13300 let message = format!("Failed to copy permalink: {err}");
13301
13302 Err::<(), anyhow::Error>(err).log_err();
13303
13304 if let Some(workspace) = workspace {
13305 workspace
13306 .update_in(&mut cx, |workspace, _, cx| {
13307 struct CopyPermalinkToLine;
13308
13309 workspace.show_toast(
13310 Toast::new(
13311 NotificationId::unique::<CopyPermalinkToLine>(),
13312 message,
13313 ),
13314 cx,
13315 )
13316 })
13317 .ok();
13318 }
13319 }
13320 }
13321 })
13322 .detach();
13323 }
13324
13325 pub fn copy_file_location(
13326 &mut self,
13327 _: &CopyFileLocation,
13328 _: &mut Window,
13329 cx: &mut Context<Self>,
13330 ) {
13331 let selection = self.selections.newest::<Point>(cx).start.row + 1;
13332 if let Some(file) = self.target_file(cx) {
13333 if let Some(path) = file.path().to_str() {
13334 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
13335 }
13336 }
13337 }
13338
13339 pub fn open_permalink_to_line(
13340 &mut self,
13341 _: &OpenPermalinkToLine,
13342 window: &mut Window,
13343 cx: &mut Context<Self>,
13344 ) {
13345 let permalink_task = self.get_permalink_to_line(cx);
13346 let workspace = self.workspace();
13347
13348 cx.spawn_in(window, |_, mut cx| async move {
13349 match permalink_task.await {
13350 Ok(permalink) => {
13351 cx.update(|_, cx| {
13352 cx.open_url(permalink.as_ref());
13353 })
13354 .ok();
13355 }
13356 Err(err) => {
13357 let message = format!("Failed to open permalink: {err}");
13358
13359 Err::<(), anyhow::Error>(err).log_err();
13360
13361 if let Some(workspace) = workspace {
13362 workspace
13363 .update(&mut cx, |workspace, cx| {
13364 struct OpenPermalinkToLine;
13365
13366 workspace.show_toast(
13367 Toast::new(
13368 NotificationId::unique::<OpenPermalinkToLine>(),
13369 message,
13370 ),
13371 cx,
13372 )
13373 })
13374 .ok();
13375 }
13376 }
13377 }
13378 })
13379 .detach();
13380 }
13381
13382 pub fn insert_uuid_v4(
13383 &mut self,
13384 _: &InsertUuidV4,
13385 window: &mut Window,
13386 cx: &mut Context<Self>,
13387 ) {
13388 self.insert_uuid(UuidVersion::V4, window, cx);
13389 }
13390
13391 pub fn insert_uuid_v7(
13392 &mut self,
13393 _: &InsertUuidV7,
13394 window: &mut Window,
13395 cx: &mut Context<Self>,
13396 ) {
13397 self.insert_uuid(UuidVersion::V7, window, cx);
13398 }
13399
13400 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
13401 self.transact(window, cx, |this, window, cx| {
13402 let edits = this
13403 .selections
13404 .all::<Point>(cx)
13405 .into_iter()
13406 .map(|selection| {
13407 let uuid = match version {
13408 UuidVersion::V4 => uuid::Uuid::new_v4(),
13409 UuidVersion::V7 => uuid::Uuid::now_v7(),
13410 };
13411
13412 (selection.range(), uuid.to_string())
13413 });
13414 this.edit(edits, cx);
13415 this.refresh_inline_completion(true, false, window, cx);
13416 });
13417 }
13418
13419 pub fn open_selections_in_multibuffer(
13420 &mut self,
13421 _: &OpenSelectionsInMultibuffer,
13422 window: &mut Window,
13423 cx: &mut Context<Self>,
13424 ) {
13425 let multibuffer = self.buffer.read(cx);
13426
13427 let Some(buffer) = multibuffer.as_singleton() else {
13428 return;
13429 };
13430
13431 let Some(workspace) = self.workspace() else {
13432 return;
13433 };
13434
13435 let locations = self
13436 .selections
13437 .disjoint_anchors()
13438 .iter()
13439 .map(|range| Location {
13440 buffer: buffer.clone(),
13441 range: range.start.text_anchor..range.end.text_anchor,
13442 })
13443 .collect::<Vec<_>>();
13444
13445 let title = multibuffer.title(cx).to_string();
13446
13447 cx.spawn_in(window, |_, mut cx| async move {
13448 workspace.update_in(&mut cx, |workspace, window, cx| {
13449 Self::open_locations_in_multibuffer(
13450 workspace,
13451 locations,
13452 format!("Selections for '{title}'"),
13453 false,
13454 MultibufferSelectionMode::All,
13455 window,
13456 cx,
13457 );
13458 })
13459 })
13460 .detach();
13461 }
13462
13463 /// Adds a row highlight for the given range. If a row has multiple highlights, the
13464 /// last highlight added will be used.
13465 ///
13466 /// If the range ends at the beginning of a line, then that line will not be highlighted.
13467 pub fn highlight_rows<T: 'static>(
13468 &mut self,
13469 range: Range<Anchor>,
13470 color: Hsla,
13471 should_autoscroll: bool,
13472 cx: &mut Context<Self>,
13473 ) {
13474 let snapshot = self.buffer().read(cx).snapshot(cx);
13475 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13476 let ix = row_highlights.binary_search_by(|highlight| {
13477 Ordering::Equal
13478 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
13479 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
13480 });
13481
13482 if let Err(mut ix) = ix {
13483 let index = post_inc(&mut self.highlight_order);
13484
13485 // If this range intersects with the preceding highlight, then merge it with
13486 // the preceding highlight. Otherwise insert a new highlight.
13487 let mut merged = false;
13488 if ix > 0 {
13489 let prev_highlight = &mut row_highlights[ix - 1];
13490 if prev_highlight
13491 .range
13492 .end
13493 .cmp(&range.start, &snapshot)
13494 .is_ge()
13495 {
13496 ix -= 1;
13497 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
13498 prev_highlight.range.end = range.end;
13499 }
13500 merged = true;
13501 prev_highlight.index = index;
13502 prev_highlight.color = color;
13503 prev_highlight.should_autoscroll = should_autoscroll;
13504 }
13505 }
13506
13507 if !merged {
13508 row_highlights.insert(
13509 ix,
13510 RowHighlight {
13511 range: range.clone(),
13512 index,
13513 color,
13514 should_autoscroll,
13515 },
13516 );
13517 }
13518
13519 // If any of the following highlights intersect with this one, merge them.
13520 while let Some(next_highlight) = row_highlights.get(ix + 1) {
13521 let highlight = &row_highlights[ix];
13522 if next_highlight
13523 .range
13524 .start
13525 .cmp(&highlight.range.end, &snapshot)
13526 .is_le()
13527 {
13528 if next_highlight
13529 .range
13530 .end
13531 .cmp(&highlight.range.end, &snapshot)
13532 .is_gt()
13533 {
13534 row_highlights[ix].range.end = next_highlight.range.end;
13535 }
13536 row_highlights.remove(ix + 1);
13537 } else {
13538 break;
13539 }
13540 }
13541 }
13542 }
13543
13544 /// Remove any highlighted row ranges of the given type that intersect the
13545 /// given ranges.
13546 pub fn remove_highlighted_rows<T: 'static>(
13547 &mut self,
13548 ranges_to_remove: Vec<Range<Anchor>>,
13549 cx: &mut Context<Self>,
13550 ) {
13551 let snapshot = self.buffer().read(cx).snapshot(cx);
13552 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13553 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
13554 row_highlights.retain(|highlight| {
13555 while let Some(range_to_remove) = ranges_to_remove.peek() {
13556 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
13557 Ordering::Less | Ordering::Equal => {
13558 ranges_to_remove.next();
13559 }
13560 Ordering::Greater => {
13561 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
13562 Ordering::Less | Ordering::Equal => {
13563 return false;
13564 }
13565 Ordering::Greater => break,
13566 }
13567 }
13568 }
13569 }
13570
13571 true
13572 })
13573 }
13574
13575 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
13576 pub fn clear_row_highlights<T: 'static>(&mut self) {
13577 self.highlighted_rows.remove(&TypeId::of::<T>());
13578 }
13579
13580 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
13581 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
13582 self.highlighted_rows
13583 .get(&TypeId::of::<T>())
13584 .map_or(&[] as &[_], |vec| vec.as_slice())
13585 .iter()
13586 .map(|highlight| (highlight.range.clone(), highlight.color))
13587 }
13588
13589 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
13590 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
13591 /// Allows to ignore certain kinds of highlights.
13592 pub fn highlighted_display_rows(
13593 &self,
13594 window: &mut Window,
13595 cx: &mut App,
13596 ) -> BTreeMap<DisplayRow, Background> {
13597 let snapshot = self.snapshot(window, cx);
13598 let mut used_highlight_orders = HashMap::default();
13599 self.highlighted_rows
13600 .iter()
13601 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
13602 .fold(
13603 BTreeMap::<DisplayRow, Background>::new(),
13604 |mut unique_rows, highlight| {
13605 let start = highlight.range.start.to_display_point(&snapshot);
13606 let end = highlight.range.end.to_display_point(&snapshot);
13607 let start_row = start.row().0;
13608 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
13609 && end.column() == 0
13610 {
13611 end.row().0.saturating_sub(1)
13612 } else {
13613 end.row().0
13614 };
13615 for row in start_row..=end_row {
13616 let used_index =
13617 used_highlight_orders.entry(row).or_insert(highlight.index);
13618 if highlight.index >= *used_index {
13619 *used_index = highlight.index;
13620 unique_rows.insert(DisplayRow(row), highlight.color.into());
13621 }
13622 }
13623 unique_rows
13624 },
13625 )
13626 }
13627
13628 pub fn highlighted_display_row_for_autoscroll(
13629 &self,
13630 snapshot: &DisplaySnapshot,
13631 ) -> Option<DisplayRow> {
13632 self.highlighted_rows
13633 .values()
13634 .flat_map(|highlighted_rows| highlighted_rows.iter())
13635 .filter_map(|highlight| {
13636 if highlight.should_autoscroll {
13637 Some(highlight.range.start.to_display_point(snapshot).row())
13638 } else {
13639 None
13640 }
13641 })
13642 .min()
13643 }
13644
13645 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
13646 self.highlight_background::<SearchWithinRange>(
13647 ranges,
13648 |colors| colors.editor_document_highlight_read_background,
13649 cx,
13650 )
13651 }
13652
13653 pub fn set_breadcrumb_header(&mut self, new_header: String) {
13654 self.breadcrumb_header = Some(new_header);
13655 }
13656
13657 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
13658 self.clear_background_highlights::<SearchWithinRange>(cx);
13659 }
13660
13661 pub fn highlight_background<T: 'static>(
13662 &mut self,
13663 ranges: &[Range<Anchor>],
13664 color_fetcher: fn(&ThemeColors) -> Hsla,
13665 cx: &mut Context<Self>,
13666 ) {
13667 self.background_highlights
13668 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13669 self.scrollbar_marker_state.dirty = true;
13670 cx.notify();
13671 }
13672
13673 pub fn clear_background_highlights<T: 'static>(
13674 &mut self,
13675 cx: &mut Context<Self>,
13676 ) -> Option<BackgroundHighlight> {
13677 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
13678 if !text_highlights.1.is_empty() {
13679 self.scrollbar_marker_state.dirty = true;
13680 cx.notify();
13681 }
13682 Some(text_highlights)
13683 }
13684
13685 pub fn highlight_gutter<T: 'static>(
13686 &mut self,
13687 ranges: &[Range<Anchor>],
13688 color_fetcher: fn(&App) -> Hsla,
13689 cx: &mut Context<Self>,
13690 ) {
13691 self.gutter_highlights
13692 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13693 cx.notify();
13694 }
13695
13696 pub fn clear_gutter_highlights<T: 'static>(
13697 &mut self,
13698 cx: &mut Context<Self>,
13699 ) -> Option<GutterHighlight> {
13700 cx.notify();
13701 self.gutter_highlights.remove(&TypeId::of::<T>())
13702 }
13703
13704 #[cfg(feature = "test-support")]
13705 pub fn all_text_background_highlights(
13706 &self,
13707 window: &mut Window,
13708 cx: &mut Context<Self>,
13709 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13710 let snapshot = self.snapshot(window, cx);
13711 let buffer = &snapshot.buffer_snapshot;
13712 let start = buffer.anchor_before(0);
13713 let end = buffer.anchor_after(buffer.len());
13714 let theme = cx.theme().colors();
13715 self.background_highlights_in_range(start..end, &snapshot, theme)
13716 }
13717
13718 #[cfg(feature = "test-support")]
13719 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
13720 let snapshot = self.buffer().read(cx).snapshot(cx);
13721
13722 let highlights = self
13723 .background_highlights
13724 .get(&TypeId::of::<items::BufferSearchHighlights>());
13725
13726 if let Some((_color, ranges)) = highlights {
13727 ranges
13728 .iter()
13729 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
13730 .collect_vec()
13731 } else {
13732 vec![]
13733 }
13734 }
13735
13736 fn document_highlights_for_position<'a>(
13737 &'a self,
13738 position: Anchor,
13739 buffer: &'a MultiBufferSnapshot,
13740 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13741 let read_highlights = self
13742 .background_highlights
13743 .get(&TypeId::of::<DocumentHighlightRead>())
13744 .map(|h| &h.1);
13745 let write_highlights = self
13746 .background_highlights
13747 .get(&TypeId::of::<DocumentHighlightWrite>())
13748 .map(|h| &h.1);
13749 let left_position = position.bias_left(buffer);
13750 let right_position = position.bias_right(buffer);
13751 read_highlights
13752 .into_iter()
13753 .chain(write_highlights)
13754 .flat_map(move |ranges| {
13755 let start_ix = match ranges.binary_search_by(|probe| {
13756 let cmp = probe.end.cmp(&left_position, buffer);
13757 if cmp.is_ge() {
13758 Ordering::Greater
13759 } else {
13760 Ordering::Less
13761 }
13762 }) {
13763 Ok(i) | Err(i) => i,
13764 };
13765
13766 ranges[start_ix..]
13767 .iter()
13768 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13769 })
13770 }
13771
13772 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13773 self.background_highlights
13774 .get(&TypeId::of::<T>())
13775 .map_or(false, |(_, highlights)| !highlights.is_empty())
13776 }
13777
13778 pub fn background_highlights_in_range(
13779 &self,
13780 search_range: Range<Anchor>,
13781 display_snapshot: &DisplaySnapshot,
13782 theme: &ThemeColors,
13783 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13784 let mut results = Vec::new();
13785 for (color_fetcher, ranges) in self.background_highlights.values() {
13786 let color = color_fetcher(theme);
13787 let start_ix = match ranges.binary_search_by(|probe| {
13788 let cmp = probe
13789 .end
13790 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13791 if cmp.is_gt() {
13792 Ordering::Greater
13793 } else {
13794 Ordering::Less
13795 }
13796 }) {
13797 Ok(i) | Err(i) => i,
13798 };
13799 for range in &ranges[start_ix..] {
13800 if range
13801 .start
13802 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13803 .is_ge()
13804 {
13805 break;
13806 }
13807
13808 let start = range.start.to_display_point(display_snapshot);
13809 let end = range.end.to_display_point(display_snapshot);
13810 results.push((start..end, color))
13811 }
13812 }
13813 results
13814 }
13815
13816 pub fn background_highlight_row_ranges<T: 'static>(
13817 &self,
13818 search_range: Range<Anchor>,
13819 display_snapshot: &DisplaySnapshot,
13820 count: usize,
13821 ) -> Vec<RangeInclusive<DisplayPoint>> {
13822 let mut results = Vec::new();
13823 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13824 return vec![];
13825 };
13826
13827 let start_ix = match ranges.binary_search_by(|probe| {
13828 let cmp = probe
13829 .end
13830 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13831 if cmp.is_gt() {
13832 Ordering::Greater
13833 } else {
13834 Ordering::Less
13835 }
13836 }) {
13837 Ok(i) | Err(i) => i,
13838 };
13839 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13840 if let (Some(start_display), Some(end_display)) = (start, end) {
13841 results.push(
13842 start_display.to_display_point(display_snapshot)
13843 ..=end_display.to_display_point(display_snapshot),
13844 );
13845 }
13846 };
13847 let mut start_row: Option<Point> = None;
13848 let mut end_row: Option<Point> = None;
13849 if ranges.len() > count {
13850 return Vec::new();
13851 }
13852 for range in &ranges[start_ix..] {
13853 if range
13854 .start
13855 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13856 .is_ge()
13857 {
13858 break;
13859 }
13860 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13861 if let Some(current_row) = &end_row {
13862 if end.row == current_row.row {
13863 continue;
13864 }
13865 }
13866 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13867 if start_row.is_none() {
13868 assert_eq!(end_row, None);
13869 start_row = Some(start);
13870 end_row = Some(end);
13871 continue;
13872 }
13873 if let Some(current_end) = end_row.as_mut() {
13874 if start.row > current_end.row + 1 {
13875 push_region(start_row, end_row);
13876 start_row = Some(start);
13877 end_row = Some(end);
13878 } else {
13879 // Merge two hunks.
13880 *current_end = end;
13881 }
13882 } else {
13883 unreachable!();
13884 }
13885 }
13886 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13887 push_region(start_row, end_row);
13888 results
13889 }
13890
13891 pub fn gutter_highlights_in_range(
13892 &self,
13893 search_range: Range<Anchor>,
13894 display_snapshot: &DisplaySnapshot,
13895 cx: &App,
13896 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13897 let mut results = Vec::new();
13898 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13899 let color = color_fetcher(cx);
13900 let start_ix = match ranges.binary_search_by(|probe| {
13901 let cmp = probe
13902 .end
13903 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13904 if cmp.is_gt() {
13905 Ordering::Greater
13906 } else {
13907 Ordering::Less
13908 }
13909 }) {
13910 Ok(i) | Err(i) => i,
13911 };
13912 for range in &ranges[start_ix..] {
13913 if range
13914 .start
13915 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13916 .is_ge()
13917 {
13918 break;
13919 }
13920
13921 let start = range.start.to_display_point(display_snapshot);
13922 let end = range.end.to_display_point(display_snapshot);
13923 results.push((start..end, color))
13924 }
13925 }
13926 results
13927 }
13928
13929 /// Get the text ranges corresponding to the redaction query
13930 pub fn redacted_ranges(
13931 &self,
13932 search_range: Range<Anchor>,
13933 display_snapshot: &DisplaySnapshot,
13934 cx: &App,
13935 ) -> Vec<Range<DisplayPoint>> {
13936 display_snapshot
13937 .buffer_snapshot
13938 .redacted_ranges(search_range, |file| {
13939 if let Some(file) = file {
13940 file.is_private()
13941 && EditorSettings::get(
13942 Some(SettingsLocation {
13943 worktree_id: file.worktree_id(cx),
13944 path: file.path().as_ref(),
13945 }),
13946 cx,
13947 )
13948 .redact_private_values
13949 } else {
13950 false
13951 }
13952 })
13953 .map(|range| {
13954 range.start.to_display_point(display_snapshot)
13955 ..range.end.to_display_point(display_snapshot)
13956 })
13957 .collect()
13958 }
13959
13960 pub fn highlight_text<T: 'static>(
13961 &mut self,
13962 ranges: Vec<Range<Anchor>>,
13963 style: HighlightStyle,
13964 cx: &mut Context<Self>,
13965 ) {
13966 self.display_map.update(cx, |map, _| {
13967 map.highlight_text(TypeId::of::<T>(), ranges, style)
13968 });
13969 cx.notify();
13970 }
13971
13972 pub(crate) fn highlight_inlays<T: 'static>(
13973 &mut self,
13974 highlights: Vec<InlayHighlight>,
13975 style: HighlightStyle,
13976 cx: &mut Context<Self>,
13977 ) {
13978 self.display_map.update(cx, |map, _| {
13979 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13980 });
13981 cx.notify();
13982 }
13983
13984 pub fn text_highlights<'a, T: 'static>(
13985 &'a self,
13986 cx: &'a App,
13987 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13988 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13989 }
13990
13991 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13992 let cleared = self
13993 .display_map
13994 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13995 if cleared {
13996 cx.notify();
13997 }
13998 }
13999
14000 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
14001 (self.read_only(cx) || self.blink_manager.read(cx).visible())
14002 && self.focus_handle.is_focused(window)
14003 }
14004
14005 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
14006 self.show_cursor_when_unfocused = is_enabled;
14007 cx.notify();
14008 }
14009
14010 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
14011 self.project
14012 .as_ref()
14013 .map(|project| project.read(cx).lsp_store())
14014 }
14015
14016 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
14017 cx.notify();
14018 }
14019
14020 fn on_buffer_event(
14021 &mut self,
14022 multibuffer: &Entity<MultiBuffer>,
14023 event: &multi_buffer::Event,
14024 window: &mut Window,
14025 cx: &mut Context<Self>,
14026 ) {
14027 match event {
14028 multi_buffer::Event::Edited {
14029 singleton_buffer_edited,
14030 edited_buffer: buffer_edited,
14031 } => {
14032 self.scrollbar_marker_state.dirty = true;
14033 self.active_indent_guides_state.dirty = true;
14034 self.refresh_active_diagnostics(cx);
14035 self.refresh_code_actions(window, cx);
14036 if self.has_active_inline_completion() {
14037 self.update_visible_inline_completion(window, cx);
14038 }
14039 if let Some(buffer) = buffer_edited {
14040 let buffer_id = buffer.read(cx).remote_id();
14041 if !self.registered_buffers.contains_key(&buffer_id) {
14042 if let Some(lsp_store) = self.lsp_store(cx) {
14043 lsp_store.update(cx, |lsp_store, cx| {
14044 self.registered_buffers.insert(
14045 buffer_id,
14046 lsp_store.register_buffer_with_language_servers(&buffer, cx),
14047 );
14048 })
14049 }
14050 }
14051 }
14052 cx.emit(EditorEvent::BufferEdited);
14053 cx.emit(SearchEvent::MatchesInvalidated);
14054 if *singleton_buffer_edited {
14055 if let Some(project) = &self.project {
14056 let project = project.read(cx);
14057 #[allow(clippy::mutable_key_type)]
14058 let languages_affected = multibuffer
14059 .read(cx)
14060 .all_buffers()
14061 .into_iter()
14062 .filter_map(|buffer| {
14063 let buffer = buffer.read(cx);
14064 let language = buffer.language()?;
14065 if project.is_local()
14066 && project
14067 .language_servers_for_local_buffer(buffer, cx)
14068 .count()
14069 == 0
14070 {
14071 None
14072 } else {
14073 Some(language)
14074 }
14075 })
14076 .cloned()
14077 .collect::<HashSet<_>>();
14078 if !languages_affected.is_empty() {
14079 self.refresh_inlay_hints(
14080 InlayHintRefreshReason::BufferEdited(languages_affected),
14081 cx,
14082 );
14083 }
14084 }
14085 }
14086
14087 let Some(project) = &self.project else { return };
14088 let (telemetry, is_via_ssh) = {
14089 let project = project.read(cx);
14090 let telemetry = project.client().telemetry().clone();
14091 let is_via_ssh = project.is_via_ssh();
14092 (telemetry, is_via_ssh)
14093 };
14094 refresh_linked_ranges(self, window, cx);
14095 telemetry.log_edit_event("editor", is_via_ssh);
14096 }
14097 multi_buffer::Event::ExcerptsAdded {
14098 buffer,
14099 predecessor,
14100 excerpts,
14101 } => {
14102 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14103 let buffer_id = buffer.read(cx).remote_id();
14104 if self.buffer.read(cx).diff_for(buffer_id).is_none() {
14105 if let Some(project) = &self.project {
14106 get_uncommitted_diff_for_buffer(
14107 project,
14108 [buffer.clone()],
14109 self.buffer.clone(),
14110 cx,
14111 );
14112 }
14113 }
14114 cx.emit(EditorEvent::ExcerptsAdded {
14115 buffer: buffer.clone(),
14116 predecessor: *predecessor,
14117 excerpts: excerpts.clone(),
14118 });
14119 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14120 }
14121 multi_buffer::Event::ExcerptsRemoved { ids } => {
14122 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
14123 let buffer = self.buffer.read(cx);
14124 self.registered_buffers
14125 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
14126 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
14127 }
14128 multi_buffer::Event::ExcerptsEdited { ids } => {
14129 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
14130 }
14131 multi_buffer::Event::ExcerptsExpanded { ids } => {
14132 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14133 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
14134 }
14135 multi_buffer::Event::Reparsed(buffer_id) => {
14136 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14137
14138 cx.emit(EditorEvent::Reparsed(*buffer_id));
14139 }
14140 multi_buffer::Event::DiffHunksToggled => {
14141 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14142 }
14143 multi_buffer::Event::LanguageChanged(buffer_id) => {
14144 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
14145 cx.emit(EditorEvent::Reparsed(*buffer_id));
14146 cx.notify();
14147 }
14148 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
14149 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
14150 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
14151 cx.emit(EditorEvent::TitleChanged)
14152 }
14153 // multi_buffer::Event::DiffBaseChanged => {
14154 // self.scrollbar_marker_state.dirty = true;
14155 // cx.emit(EditorEvent::DiffBaseChanged);
14156 // cx.notify();
14157 // }
14158 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
14159 multi_buffer::Event::DiagnosticsUpdated => {
14160 self.refresh_active_diagnostics(cx);
14161 self.scrollbar_marker_state.dirty = true;
14162 cx.notify();
14163 }
14164 _ => {}
14165 };
14166 }
14167
14168 fn on_display_map_changed(
14169 &mut self,
14170 _: Entity<DisplayMap>,
14171 _: &mut Window,
14172 cx: &mut Context<Self>,
14173 ) {
14174 cx.notify();
14175 }
14176
14177 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14178 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14179 self.refresh_inline_completion(true, false, window, cx);
14180 self.refresh_inlay_hints(
14181 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
14182 self.selections.newest_anchor().head(),
14183 &self.buffer.read(cx).snapshot(cx),
14184 cx,
14185 )),
14186 cx,
14187 );
14188
14189 let old_cursor_shape = self.cursor_shape;
14190
14191 {
14192 let editor_settings = EditorSettings::get_global(cx);
14193 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
14194 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
14195 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
14196 }
14197
14198 if old_cursor_shape != self.cursor_shape {
14199 cx.emit(EditorEvent::CursorShapeChanged);
14200 }
14201
14202 let project_settings = ProjectSettings::get_global(cx);
14203 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
14204
14205 if self.mode == EditorMode::Full {
14206 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
14207 if self.git_blame_inline_enabled != inline_blame_enabled {
14208 self.toggle_git_blame_inline_internal(false, window, cx);
14209 }
14210 }
14211
14212 cx.notify();
14213 }
14214
14215 pub fn set_searchable(&mut self, searchable: bool) {
14216 self.searchable = searchable;
14217 }
14218
14219 pub fn searchable(&self) -> bool {
14220 self.searchable
14221 }
14222
14223 fn open_proposed_changes_editor(
14224 &mut self,
14225 _: &OpenProposedChangesEditor,
14226 window: &mut Window,
14227 cx: &mut Context<Self>,
14228 ) {
14229 let Some(workspace) = self.workspace() else {
14230 cx.propagate();
14231 return;
14232 };
14233
14234 let selections = self.selections.all::<usize>(cx);
14235 let multi_buffer = self.buffer.read(cx);
14236 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
14237 let mut new_selections_by_buffer = HashMap::default();
14238 for selection in selections {
14239 for (buffer, range, _) in
14240 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
14241 {
14242 let mut range = range.to_point(buffer);
14243 range.start.column = 0;
14244 range.end.column = buffer.line_len(range.end.row);
14245 new_selections_by_buffer
14246 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
14247 .or_insert(Vec::new())
14248 .push(range)
14249 }
14250 }
14251
14252 let proposed_changes_buffers = new_selections_by_buffer
14253 .into_iter()
14254 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
14255 .collect::<Vec<_>>();
14256 let proposed_changes_editor = cx.new(|cx| {
14257 ProposedChangesEditor::new(
14258 "Proposed changes",
14259 proposed_changes_buffers,
14260 self.project.clone(),
14261 window,
14262 cx,
14263 )
14264 });
14265
14266 window.defer(cx, move |window, cx| {
14267 workspace.update(cx, |workspace, cx| {
14268 workspace.active_pane().update(cx, |pane, cx| {
14269 pane.add_item(
14270 Box::new(proposed_changes_editor),
14271 true,
14272 true,
14273 None,
14274 window,
14275 cx,
14276 );
14277 });
14278 });
14279 });
14280 }
14281
14282 pub fn open_excerpts_in_split(
14283 &mut self,
14284 _: &OpenExcerptsSplit,
14285 window: &mut Window,
14286 cx: &mut Context<Self>,
14287 ) {
14288 self.open_excerpts_common(None, true, window, cx)
14289 }
14290
14291 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
14292 self.open_excerpts_common(None, false, window, cx)
14293 }
14294
14295 fn open_excerpts_common(
14296 &mut self,
14297 jump_data: Option<JumpData>,
14298 split: bool,
14299 window: &mut Window,
14300 cx: &mut Context<Self>,
14301 ) {
14302 let Some(workspace) = self.workspace() else {
14303 cx.propagate();
14304 return;
14305 };
14306
14307 if self.buffer.read(cx).is_singleton() {
14308 cx.propagate();
14309 return;
14310 }
14311
14312 let mut new_selections_by_buffer = HashMap::default();
14313 match &jump_data {
14314 Some(JumpData::MultiBufferPoint {
14315 excerpt_id,
14316 position,
14317 anchor,
14318 line_offset_from_top,
14319 }) => {
14320 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
14321 if let Some(buffer) = multi_buffer_snapshot
14322 .buffer_id_for_excerpt(*excerpt_id)
14323 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
14324 {
14325 let buffer_snapshot = buffer.read(cx).snapshot();
14326 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
14327 language::ToPoint::to_point(anchor, &buffer_snapshot)
14328 } else {
14329 buffer_snapshot.clip_point(*position, Bias::Left)
14330 };
14331 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
14332 new_selections_by_buffer.insert(
14333 buffer,
14334 (
14335 vec![jump_to_offset..jump_to_offset],
14336 Some(*line_offset_from_top),
14337 ),
14338 );
14339 }
14340 }
14341 Some(JumpData::MultiBufferRow {
14342 row,
14343 line_offset_from_top,
14344 }) => {
14345 let point = MultiBufferPoint::new(row.0, 0);
14346 if let Some((buffer, buffer_point, _)) =
14347 self.buffer.read(cx).point_to_buffer_point(point, cx)
14348 {
14349 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
14350 new_selections_by_buffer
14351 .entry(buffer)
14352 .or_insert((Vec::new(), Some(*line_offset_from_top)))
14353 .0
14354 .push(buffer_offset..buffer_offset)
14355 }
14356 }
14357 None => {
14358 let selections = self.selections.all::<usize>(cx);
14359 let multi_buffer = self.buffer.read(cx);
14360 for selection in selections {
14361 for (buffer, mut range, _) in multi_buffer
14362 .snapshot(cx)
14363 .range_to_buffer_ranges(selection.range())
14364 {
14365 // When editing branch buffers, jump to the corresponding location
14366 // in their base buffer.
14367 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
14368 let buffer = buffer_handle.read(cx);
14369 if let Some(base_buffer) = buffer.base_buffer() {
14370 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
14371 buffer_handle = base_buffer;
14372 }
14373
14374 if selection.reversed {
14375 mem::swap(&mut range.start, &mut range.end);
14376 }
14377 new_selections_by_buffer
14378 .entry(buffer_handle)
14379 .or_insert((Vec::new(), None))
14380 .0
14381 .push(range)
14382 }
14383 }
14384 }
14385 }
14386
14387 if new_selections_by_buffer.is_empty() {
14388 return;
14389 }
14390
14391 // We defer the pane interaction because we ourselves are a workspace item
14392 // and activating a new item causes the pane to call a method on us reentrantly,
14393 // which panics if we're on the stack.
14394 window.defer(cx, move |window, cx| {
14395 workspace.update(cx, |workspace, cx| {
14396 let pane = if split {
14397 workspace.adjacent_pane(window, cx)
14398 } else {
14399 workspace.active_pane().clone()
14400 };
14401
14402 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
14403 let editor = buffer
14404 .read(cx)
14405 .file()
14406 .is_none()
14407 .then(|| {
14408 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
14409 // so `workspace.open_project_item` will never find them, always opening a new editor.
14410 // Instead, we try to activate the existing editor in the pane first.
14411 let (editor, pane_item_index) =
14412 pane.read(cx).items().enumerate().find_map(|(i, item)| {
14413 let editor = item.downcast::<Editor>()?;
14414 let singleton_buffer =
14415 editor.read(cx).buffer().read(cx).as_singleton()?;
14416 if singleton_buffer == buffer {
14417 Some((editor, i))
14418 } else {
14419 None
14420 }
14421 })?;
14422 pane.update(cx, |pane, cx| {
14423 pane.activate_item(pane_item_index, true, true, window, cx)
14424 });
14425 Some(editor)
14426 })
14427 .flatten()
14428 .unwrap_or_else(|| {
14429 workspace.open_project_item::<Self>(
14430 pane.clone(),
14431 buffer,
14432 true,
14433 true,
14434 window,
14435 cx,
14436 )
14437 });
14438
14439 editor.update(cx, |editor, cx| {
14440 let autoscroll = match scroll_offset {
14441 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
14442 None => Autoscroll::newest(),
14443 };
14444 let nav_history = editor.nav_history.take();
14445 editor.change_selections(Some(autoscroll), window, cx, |s| {
14446 s.select_ranges(ranges);
14447 });
14448 editor.nav_history = nav_history;
14449 });
14450 }
14451 })
14452 });
14453 }
14454
14455 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
14456 let snapshot = self.buffer.read(cx).read(cx);
14457 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
14458 Some(
14459 ranges
14460 .iter()
14461 .map(move |range| {
14462 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
14463 })
14464 .collect(),
14465 )
14466 }
14467
14468 fn selection_replacement_ranges(
14469 &self,
14470 range: Range<OffsetUtf16>,
14471 cx: &mut App,
14472 ) -> Vec<Range<OffsetUtf16>> {
14473 let selections = self.selections.all::<OffsetUtf16>(cx);
14474 let newest_selection = selections
14475 .iter()
14476 .max_by_key(|selection| selection.id)
14477 .unwrap();
14478 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
14479 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
14480 let snapshot = self.buffer.read(cx).read(cx);
14481 selections
14482 .into_iter()
14483 .map(|mut selection| {
14484 selection.start.0 =
14485 (selection.start.0 as isize).saturating_add(start_delta) as usize;
14486 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
14487 snapshot.clip_offset_utf16(selection.start, Bias::Left)
14488 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
14489 })
14490 .collect()
14491 }
14492
14493 fn report_editor_event(
14494 &self,
14495 event_type: &'static str,
14496 file_extension: Option<String>,
14497 cx: &App,
14498 ) {
14499 if cfg!(any(test, feature = "test-support")) {
14500 return;
14501 }
14502
14503 let Some(project) = &self.project else { return };
14504
14505 // If None, we are in a file without an extension
14506 let file = self
14507 .buffer
14508 .read(cx)
14509 .as_singleton()
14510 .and_then(|b| b.read(cx).file());
14511 let file_extension = file_extension.or(file
14512 .as_ref()
14513 .and_then(|file| Path::new(file.file_name(cx)).extension())
14514 .and_then(|e| e.to_str())
14515 .map(|a| a.to_string()));
14516
14517 let vim_mode = cx
14518 .global::<SettingsStore>()
14519 .raw_user_settings()
14520 .get("vim_mode")
14521 == Some(&serde_json::Value::Bool(true));
14522
14523 let edit_predictions_provider = all_language_settings(file, cx).edit_predictions.provider;
14524 let copilot_enabled = edit_predictions_provider
14525 == language::language_settings::EditPredictionProvider::Copilot;
14526 let copilot_enabled_for_language = self
14527 .buffer
14528 .read(cx)
14529 .settings_at(0, cx)
14530 .show_edit_predictions;
14531
14532 let project = project.read(cx);
14533 telemetry::event!(
14534 event_type,
14535 file_extension,
14536 vim_mode,
14537 copilot_enabled,
14538 copilot_enabled_for_language,
14539 edit_predictions_provider,
14540 is_via_ssh = project.is_via_ssh(),
14541 );
14542 }
14543
14544 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
14545 /// with each line being an array of {text, highlight} objects.
14546 fn copy_highlight_json(
14547 &mut self,
14548 _: &CopyHighlightJson,
14549 window: &mut Window,
14550 cx: &mut Context<Self>,
14551 ) {
14552 #[derive(Serialize)]
14553 struct Chunk<'a> {
14554 text: String,
14555 highlight: Option<&'a str>,
14556 }
14557
14558 let snapshot = self.buffer.read(cx).snapshot(cx);
14559 let range = self
14560 .selected_text_range(false, window, cx)
14561 .and_then(|selection| {
14562 if selection.range.is_empty() {
14563 None
14564 } else {
14565 Some(selection.range)
14566 }
14567 })
14568 .unwrap_or_else(|| 0..snapshot.len());
14569
14570 let chunks = snapshot.chunks(range, true);
14571 let mut lines = Vec::new();
14572 let mut line: VecDeque<Chunk> = VecDeque::new();
14573
14574 let Some(style) = self.style.as_ref() else {
14575 return;
14576 };
14577
14578 for chunk in chunks {
14579 let highlight = chunk
14580 .syntax_highlight_id
14581 .and_then(|id| id.name(&style.syntax));
14582 let mut chunk_lines = chunk.text.split('\n').peekable();
14583 while let Some(text) = chunk_lines.next() {
14584 let mut merged_with_last_token = false;
14585 if let Some(last_token) = line.back_mut() {
14586 if last_token.highlight == highlight {
14587 last_token.text.push_str(text);
14588 merged_with_last_token = true;
14589 }
14590 }
14591
14592 if !merged_with_last_token {
14593 line.push_back(Chunk {
14594 text: text.into(),
14595 highlight,
14596 });
14597 }
14598
14599 if chunk_lines.peek().is_some() {
14600 if line.len() > 1 && line.front().unwrap().text.is_empty() {
14601 line.pop_front();
14602 }
14603 if line.len() > 1 && line.back().unwrap().text.is_empty() {
14604 line.pop_back();
14605 }
14606
14607 lines.push(mem::take(&mut line));
14608 }
14609 }
14610 }
14611
14612 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
14613 return;
14614 };
14615 cx.write_to_clipboard(ClipboardItem::new_string(lines));
14616 }
14617
14618 pub fn open_context_menu(
14619 &mut self,
14620 _: &OpenContextMenu,
14621 window: &mut Window,
14622 cx: &mut Context<Self>,
14623 ) {
14624 self.request_autoscroll(Autoscroll::newest(), cx);
14625 let position = self.selections.newest_display(cx).start;
14626 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
14627 }
14628
14629 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
14630 &self.inlay_hint_cache
14631 }
14632
14633 pub fn replay_insert_event(
14634 &mut self,
14635 text: &str,
14636 relative_utf16_range: Option<Range<isize>>,
14637 window: &mut Window,
14638 cx: &mut Context<Self>,
14639 ) {
14640 if !self.input_enabled {
14641 cx.emit(EditorEvent::InputIgnored { text: text.into() });
14642 return;
14643 }
14644 if let Some(relative_utf16_range) = relative_utf16_range {
14645 let selections = self.selections.all::<OffsetUtf16>(cx);
14646 self.change_selections(None, window, cx, |s| {
14647 let new_ranges = selections.into_iter().map(|range| {
14648 let start = OffsetUtf16(
14649 range
14650 .head()
14651 .0
14652 .saturating_add_signed(relative_utf16_range.start),
14653 );
14654 let end = OffsetUtf16(
14655 range
14656 .head()
14657 .0
14658 .saturating_add_signed(relative_utf16_range.end),
14659 );
14660 start..end
14661 });
14662 s.select_ranges(new_ranges);
14663 });
14664 }
14665
14666 self.handle_input(text, window, cx);
14667 }
14668
14669 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
14670 let Some(provider) = self.semantics_provider.as_ref() else {
14671 return false;
14672 };
14673
14674 let mut supports = false;
14675 self.buffer().read(cx).for_each_buffer(|buffer| {
14676 supports |= provider.supports_inlay_hints(buffer, cx);
14677 });
14678 supports
14679 }
14680
14681 pub fn is_focused(&self, window: &Window) -> bool {
14682 self.focus_handle.is_focused(window)
14683 }
14684
14685 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14686 cx.emit(EditorEvent::Focused);
14687
14688 if let Some(descendant) = self
14689 .last_focused_descendant
14690 .take()
14691 .and_then(|descendant| descendant.upgrade())
14692 {
14693 window.focus(&descendant);
14694 } else {
14695 if let Some(blame) = self.blame.as_ref() {
14696 blame.update(cx, GitBlame::focus)
14697 }
14698
14699 self.blink_manager.update(cx, BlinkManager::enable);
14700 self.show_cursor_names(window, cx);
14701 self.buffer.update(cx, |buffer, cx| {
14702 buffer.finalize_last_transaction(cx);
14703 if self.leader_peer_id.is_none() {
14704 buffer.set_active_selections(
14705 &self.selections.disjoint_anchors(),
14706 self.selections.line_mode,
14707 self.cursor_shape,
14708 cx,
14709 );
14710 }
14711 });
14712 }
14713 }
14714
14715 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
14716 cx.emit(EditorEvent::FocusedIn)
14717 }
14718
14719 fn handle_focus_out(
14720 &mut self,
14721 event: FocusOutEvent,
14722 _window: &mut Window,
14723 _cx: &mut Context<Self>,
14724 ) {
14725 if event.blurred != self.focus_handle {
14726 self.last_focused_descendant = Some(event.blurred);
14727 }
14728 }
14729
14730 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14731 self.blink_manager.update(cx, BlinkManager::disable);
14732 self.buffer
14733 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
14734
14735 if let Some(blame) = self.blame.as_ref() {
14736 blame.update(cx, GitBlame::blur)
14737 }
14738 if !self.hover_state.focused(window, cx) {
14739 hide_hover(self, cx);
14740 }
14741
14742 self.hide_context_menu(window, cx);
14743 self.discard_inline_completion(false, cx);
14744 cx.emit(EditorEvent::Blurred);
14745 cx.notify();
14746 }
14747
14748 pub fn register_action<A: Action>(
14749 &mut self,
14750 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14751 ) -> Subscription {
14752 let id = self.next_editor_action_id.post_inc();
14753 let listener = Arc::new(listener);
14754 self.editor_actions.borrow_mut().insert(
14755 id,
14756 Box::new(move |window, _| {
14757 let listener = listener.clone();
14758 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14759 let action = action.downcast_ref().unwrap();
14760 if phase == DispatchPhase::Bubble {
14761 listener(action, window, cx)
14762 }
14763 })
14764 }),
14765 );
14766
14767 let editor_actions = self.editor_actions.clone();
14768 Subscription::new(move || {
14769 editor_actions.borrow_mut().remove(&id);
14770 })
14771 }
14772
14773 pub fn file_header_size(&self) -> u32 {
14774 FILE_HEADER_HEIGHT
14775 }
14776
14777 pub fn revert(
14778 &mut self,
14779 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14780 window: &mut Window,
14781 cx: &mut Context<Self>,
14782 ) {
14783 self.buffer().update(cx, |multi_buffer, cx| {
14784 for (buffer_id, changes) in revert_changes {
14785 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14786 buffer.update(cx, |buffer, cx| {
14787 buffer.edit(
14788 changes.into_iter().map(|(range, text)| {
14789 (range, text.to_string().map(Arc::<str>::from))
14790 }),
14791 None,
14792 cx,
14793 );
14794 });
14795 }
14796 }
14797 });
14798 self.change_selections(None, window, cx, |selections| selections.refresh());
14799 }
14800
14801 pub fn to_pixel_point(
14802 &self,
14803 source: multi_buffer::Anchor,
14804 editor_snapshot: &EditorSnapshot,
14805 window: &mut Window,
14806 ) -> Option<gpui::Point<Pixels>> {
14807 let source_point = source.to_display_point(editor_snapshot);
14808 self.display_to_pixel_point(source_point, editor_snapshot, window)
14809 }
14810
14811 pub fn display_to_pixel_point(
14812 &self,
14813 source: DisplayPoint,
14814 editor_snapshot: &EditorSnapshot,
14815 window: &mut Window,
14816 ) -> Option<gpui::Point<Pixels>> {
14817 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14818 let text_layout_details = self.text_layout_details(window);
14819 let scroll_top = text_layout_details
14820 .scroll_anchor
14821 .scroll_position(editor_snapshot)
14822 .y;
14823
14824 if source.row().as_f32() < scroll_top.floor() {
14825 return None;
14826 }
14827 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14828 let source_y = line_height * (source.row().as_f32() - scroll_top);
14829 Some(gpui::Point::new(source_x, source_y))
14830 }
14831
14832 pub fn has_visible_completions_menu(&self) -> bool {
14833 !self.edit_prediction_preview_is_active()
14834 && self.context_menu.borrow().as_ref().map_or(false, |menu| {
14835 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14836 })
14837 }
14838
14839 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14840 self.addons
14841 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14842 }
14843
14844 pub fn unregister_addon<T: Addon>(&mut self) {
14845 self.addons.remove(&std::any::TypeId::of::<T>());
14846 }
14847
14848 pub fn addon<T: Addon>(&self) -> Option<&T> {
14849 let type_id = std::any::TypeId::of::<T>();
14850 self.addons
14851 .get(&type_id)
14852 .and_then(|item| item.to_any().downcast_ref::<T>())
14853 }
14854
14855 fn character_size(&self, window: &mut Window) -> gpui::Size<Pixels> {
14856 let text_layout_details = self.text_layout_details(window);
14857 let style = &text_layout_details.editor_style;
14858 let font_id = window.text_system().resolve_font(&style.text.font());
14859 let font_size = style.text.font_size.to_pixels(window.rem_size());
14860 let line_height = style.text.line_height_in_pixels(window.rem_size());
14861 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
14862
14863 gpui::Size::new(em_width, line_height)
14864 }
14865}
14866
14867fn get_uncommitted_diff_for_buffer(
14868 project: &Entity<Project>,
14869 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14870 buffer: Entity<MultiBuffer>,
14871 cx: &mut App,
14872) {
14873 let mut tasks = Vec::new();
14874 project.update(cx, |project, cx| {
14875 for buffer in buffers {
14876 tasks.push(project.open_uncommitted_diff(buffer.clone(), cx))
14877 }
14878 });
14879 cx.spawn(|mut cx| async move {
14880 let diffs = futures::future::join_all(tasks).await;
14881 buffer
14882 .update(&mut cx, |buffer, cx| {
14883 for diff in diffs.into_iter().flatten() {
14884 buffer.add_diff(diff, cx);
14885 }
14886 })
14887 .ok();
14888 })
14889 .detach();
14890}
14891
14892fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14893 let tab_size = tab_size.get() as usize;
14894 let mut width = offset;
14895
14896 for ch in text.chars() {
14897 width += if ch == '\t' {
14898 tab_size - (width % tab_size)
14899 } else {
14900 1
14901 };
14902 }
14903
14904 width - offset
14905}
14906
14907#[cfg(test)]
14908mod tests {
14909 use super::*;
14910
14911 #[test]
14912 fn test_string_size_with_expanded_tabs() {
14913 let nz = |val| NonZeroU32::new(val).unwrap();
14914 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14915 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14916 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14917 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14918 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14919 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14920 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14921 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14922 }
14923}
14924
14925/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14926struct WordBreakingTokenizer<'a> {
14927 input: &'a str,
14928}
14929
14930impl<'a> WordBreakingTokenizer<'a> {
14931 fn new(input: &'a str) -> Self {
14932 Self { input }
14933 }
14934}
14935
14936fn is_char_ideographic(ch: char) -> bool {
14937 use unicode_script::Script::*;
14938 use unicode_script::UnicodeScript;
14939 matches!(ch.script(), Han | Tangut | Yi)
14940}
14941
14942fn is_grapheme_ideographic(text: &str) -> bool {
14943 text.chars().any(is_char_ideographic)
14944}
14945
14946fn is_grapheme_whitespace(text: &str) -> bool {
14947 text.chars().any(|x| x.is_whitespace())
14948}
14949
14950fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14951 text.chars().next().map_or(false, |ch| {
14952 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14953 })
14954}
14955
14956#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14957struct WordBreakToken<'a> {
14958 token: &'a str,
14959 grapheme_len: usize,
14960 is_whitespace: bool,
14961}
14962
14963impl<'a> Iterator for WordBreakingTokenizer<'a> {
14964 /// Yields a span, the count of graphemes in the token, and whether it was
14965 /// whitespace. Note that it also breaks at word boundaries.
14966 type Item = WordBreakToken<'a>;
14967
14968 fn next(&mut self) -> Option<Self::Item> {
14969 use unicode_segmentation::UnicodeSegmentation;
14970 if self.input.is_empty() {
14971 return None;
14972 }
14973
14974 let mut iter = self.input.graphemes(true).peekable();
14975 let mut offset = 0;
14976 let mut graphemes = 0;
14977 if let Some(first_grapheme) = iter.next() {
14978 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14979 offset += first_grapheme.len();
14980 graphemes += 1;
14981 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14982 if let Some(grapheme) = iter.peek().copied() {
14983 if should_stay_with_preceding_ideograph(grapheme) {
14984 offset += grapheme.len();
14985 graphemes += 1;
14986 }
14987 }
14988 } else {
14989 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14990 let mut next_word_bound = words.peek().copied();
14991 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14992 next_word_bound = words.next();
14993 }
14994 while let Some(grapheme) = iter.peek().copied() {
14995 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14996 break;
14997 };
14998 if is_grapheme_whitespace(grapheme) != is_whitespace {
14999 break;
15000 };
15001 offset += grapheme.len();
15002 graphemes += 1;
15003 iter.next();
15004 }
15005 }
15006 let token = &self.input[..offset];
15007 self.input = &self.input[offset..];
15008 if is_whitespace {
15009 Some(WordBreakToken {
15010 token: " ",
15011 grapheme_len: 1,
15012 is_whitespace: true,
15013 })
15014 } else {
15015 Some(WordBreakToken {
15016 token,
15017 grapheme_len: graphemes,
15018 is_whitespace: false,
15019 })
15020 }
15021 } else {
15022 None
15023 }
15024 }
15025}
15026
15027#[test]
15028fn test_word_breaking_tokenizer() {
15029 let tests: &[(&str, &[(&str, usize, bool)])] = &[
15030 ("", &[]),
15031 (" ", &[(" ", 1, true)]),
15032 ("Ʒ", &[("Ʒ", 1, false)]),
15033 ("Ǽ", &[("Ǽ", 1, false)]),
15034 ("⋑", &[("⋑", 1, false)]),
15035 ("⋑⋑", &[("⋑⋑", 2, false)]),
15036 (
15037 "原理，进而",
15038 &[
15039 ("原", 1, false),
15040 ("理，", 2, false),
15041 ("进", 1, false),
15042 ("而", 1, false),
15043 ],
15044 ),
15045 (
15046 "hello world",
15047 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
15048 ),
15049 (
15050 "hello, world",
15051 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
15052 ),
15053 (
15054 " hello world",
15055 &[
15056 (" ", 1, true),
15057 ("hello", 5, false),
15058 (" ", 1, true),
15059 ("world", 5, false),
15060 ],
15061 ),
15062 (
15063 "这是什么 \n 钢笔",
15064 &[
15065 ("这", 1, false),
15066 ("是", 1, false),
15067 ("什", 1, false),
15068 ("么", 1, false),
15069 (" ", 1, true),
15070 ("钢", 1, false),
15071 ("笔", 1, false),
15072 ],
15073 ),
15074 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
15075 ];
15076
15077 for (input, result) in tests {
15078 assert_eq!(
15079 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
15080 result
15081 .iter()
15082 .copied()
15083 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
15084 token,
15085 grapheme_len,
15086 is_whitespace,
15087 })
15088 .collect::<Vec<_>>()
15089 );
15090 }
15091}
15092
15093fn wrap_with_prefix(
15094 line_prefix: String,
15095 unwrapped_text: String,
15096 wrap_column: usize,
15097 tab_size: NonZeroU32,
15098) -> String {
15099 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
15100 let mut wrapped_text = String::new();
15101 let mut current_line = line_prefix.clone();
15102
15103 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
15104 let mut current_line_len = line_prefix_len;
15105 for WordBreakToken {
15106 token,
15107 grapheme_len,
15108 is_whitespace,
15109 } in tokenizer
15110 {
15111 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
15112 wrapped_text.push_str(current_line.trim_end());
15113 wrapped_text.push('\n');
15114 current_line.truncate(line_prefix.len());
15115 current_line_len = line_prefix_len;
15116 if !is_whitespace {
15117 current_line.push_str(token);
15118 current_line_len += grapheme_len;
15119 }
15120 } else if !is_whitespace {
15121 current_line.push_str(token);
15122 current_line_len += grapheme_len;
15123 } else if current_line_len != line_prefix_len {
15124 current_line.push(' ');
15125 current_line_len += 1;
15126 }
15127 }
15128
15129 if !current_line.is_empty() {
15130 wrapped_text.push_str(¤t_line);
15131 }
15132 wrapped_text
15133}
15134
15135#[test]
15136fn test_wrap_with_prefix() {
15137 assert_eq!(
15138 wrap_with_prefix(
15139 "# ".to_string(),
15140 "abcdefg".to_string(),
15141 4,
15142 NonZeroU32::new(4).unwrap()
15143 ),
15144 "# abcdefg"
15145 );
15146 assert_eq!(
15147 wrap_with_prefix(
15148 "".to_string(),
15149 "\thello world".to_string(),
15150 8,
15151 NonZeroU32::new(4).unwrap()
15152 ),
15153 "hello\nworld"
15154 );
15155 assert_eq!(
15156 wrap_with_prefix(
15157 "// ".to_string(),
15158 "xx \nyy zz aa bb cc".to_string(),
15159 12,
15160 NonZeroU32::new(4).unwrap()
15161 ),
15162 "// xx yy zz\n// aa bb cc"
15163 );
15164 assert_eq!(
15165 wrap_with_prefix(
15166 String::new(),
15167 "这是什么 \n 钢笔".to_string(),
15168 3,
15169 NonZeroU32::new(4).unwrap()
15170 ),
15171 "这是什\n么 钢\n笔"
15172 );
15173}
15174
15175pub trait CollaborationHub {
15176 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
15177 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
15178 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
15179}
15180
15181impl CollaborationHub for Entity<Project> {
15182 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
15183 self.read(cx).collaborators()
15184 }
15185
15186 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
15187 self.read(cx).user_store().read(cx).participant_indices()
15188 }
15189
15190 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
15191 let this = self.read(cx);
15192 let user_ids = this.collaborators().values().map(|c| c.user_id);
15193 this.user_store().read_with(cx, |user_store, cx| {
15194 user_store.participant_names(user_ids, cx)
15195 })
15196 }
15197}
15198
15199pub trait SemanticsProvider {
15200 fn hover(
15201 &self,
15202 buffer: &Entity<Buffer>,
15203 position: text::Anchor,
15204 cx: &mut App,
15205 ) -> Option<Task<Vec<project::Hover>>>;
15206
15207 fn inlay_hints(
15208 &self,
15209 buffer_handle: Entity<Buffer>,
15210 range: Range<text::Anchor>,
15211 cx: &mut App,
15212 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
15213
15214 fn resolve_inlay_hint(
15215 &self,
15216 hint: InlayHint,
15217 buffer_handle: Entity<Buffer>,
15218 server_id: LanguageServerId,
15219 cx: &mut App,
15220 ) -> Option<Task<anyhow::Result<InlayHint>>>;
15221
15222 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
15223
15224 fn document_highlights(
15225 &self,
15226 buffer: &Entity<Buffer>,
15227 position: text::Anchor,
15228 cx: &mut App,
15229 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
15230
15231 fn definitions(
15232 &self,
15233 buffer: &Entity<Buffer>,
15234 position: text::Anchor,
15235 kind: GotoDefinitionKind,
15236 cx: &mut App,
15237 ) -> Option<Task<Result<Vec<LocationLink>>>>;
15238
15239 fn range_for_rename(
15240 &self,
15241 buffer: &Entity<Buffer>,
15242 position: text::Anchor,
15243 cx: &mut App,
15244 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
15245
15246 fn perform_rename(
15247 &self,
15248 buffer: &Entity<Buffer>,
15249 position: text::Anchor,
15250 new_name: String,
15251 cx: &mut App,
15252 ) -> Option<Task<Result<ProjectTransaction>>>;
15253}
15254
15255pub trait CompletionProvider {
15256 fn completions(
15257 &self,
15258 buffer: &Entity<Buffer>,
15259 buffer_position: text::Anchor,
15260 trigger: CompletionContext,
15261 window: &mut Window,
15262 cx: &mut Context<Editor>,
15263 ) -> Task<Result<Vec<Completion>>>;
15264
15265 fn resolve_completions(
15266 &self,
15267 buffer: Entity<Buffer>,
15268 completion_indices: Vec<usize>,
15269 completions: Rc<RefCell<Box<[Completion]>>>,
15270 cx: &mut Context<Editor>,
15271 ) -> Task<Result<bool>>;
15272
15273 fn apply_additional_edits_for_completion(
15274 &self,
15275 _buffer: Entity<Buffer>,
15276 _completions: Rc<RefCell<Box<[Completion]>>>,
15277 _completion_index: usize,
15278 _push_to_history: bool,
15279 _cx: &mut Context<Editor>,
15280 ) -> Task<Result<Option<language::Transaction>>> {
15281 Task::ready(Ok(None))
15282 }
15283
15284 fn is_completion_trigger(
15285 &self,
15286 buffer: &Entity<Buffer>,
15287 position: language::Anchor,
15288 text: &str,
15289 trigger_in_words: bool,
15290 cx: &mut Context<Editor>,
15291 ) -> bool;
15292
15293 fn sort_completions(&self) -> bool {
15294 true
15295 }
15296}
15297
15298pub trait CodeActionProvider {
15299 fn id(&self) -> Arc<str>;
15300
15301 fn code_actions(
15302 &self,
15303 buffer: &Entity<Buffer>,
15304 range: Range<text::Anchor>,
15305 window: &mut Window,
15306 cx: &mut App,
15307 ) -> Task<Result<Vec<CodeAction>>>;
15308
15309 fn apply_code_action(
15310 &self,
15311 buffer_handle: Entity<Buffer>,
15312 action: CodeAction,
15313 excerpt_id: ExcerptId,
15314 push_to_history: bool,
15315 window: &mut Window,
15316 cx: &mut App,
15317 ) -> Task<Result<ProjectTransaction>>;
15318}
15319
15320impl CodeActionProvider for Entity<Project> {
15321 fn id(&self) -> Arc<str> {
15322 "project".into()
15323 }
15324
15325 fn code_actions(
15326 &self,
15327 buffer: &Entity<Buffer>,
15328 range: Range<text::Anchor>,
15329 _window: &mut Window,
15330 cx: &mut App,
15331 ) -> Task<Result<Vec<CodeAction>>> {
15332 self.update(cx, |project, cx| {
15333 project.code_actions(buffer, range, None, cx)
15334 })
15335 }
15336
15337 fn apply_code_action(
15338 &self,
15339 buffer_handle: Entity<Buffer>,
15340 action: CodeAction,
15341 _excerpt_id: ExcerptId,
15342 push_to_history: bool,
15343 _window: &mut Window,
15344 cx: &mut App,
15345 ) -> Task<Result<ProjectTransaction>> {
15346 self.update(cx, |project, cx| {
15347 project.apply_code_action(buffer_handle, action, push_to_history, cx)
15348 })
15349 }
15350}
15351
15352fn snippet_completions(
15353 project: &Project,
15354 buffer: &Entity<Buffer>,
15355 buffer_position: text::Anchor,
15356 cx: &mut App,
15357) -> Task<Result<Vec<Completion>>> {
15358 let language = buffer.read(cx).language_at(buffer_position);
15359 let language_name = language.as_ref().map(|language| language.lsp_id());
15360 let snippet_store = project.snippets().read(cx);
15361 let snippets = snippet_store.snippets_for(language_name, cx);
15362
15363 if snippets.is_empty() {
15364 return Task::ready(Ok(vec![]));
15365 }
15366 let snapshot = buffer.read(cx).text_snapshot();
15367 let chars: String = snapshot
15368 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
15369 .collect();
15370
15371 let scope = language.map(|language| language.default_scope());
15372 let executor = cx.background_executor().clone();
15373
15374 cx.background_executor().spawn(async move {
15375 let classifier = CharClassifier::new(scope).for_completion(true);
15376 let mut last_word = chars
15377 .chars()
15378 .take_while(|c| classifier.is_word(*c))
15379 .collect::<String>();
15380 last_word = last_word.chars().rev().collect();
15381
15382 if last_word.is_empty() {
15383 return Ok(vec![]);
15384 }
15385
15386 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
15387 let to_lsp = |point: &text::Anchor| {
15388 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
15389 point_to_lsp(end)
15390 };
15391 let lsp_end = to_lsp(&buffer_position);
15392
15393 let candidates = snippets
15394 .iter()
15395 .enumerate()
15396 .flat_map(|(ix, snippet)| {
15397 snippet
15398 .prefix
15399 .iter()
15400 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
15401 })
15402 .collect::<Vec<StringMatchCandidate>>();
15403
15404 let mut matches = fuzzy::match_strings(
15405 &candidates,
15406 &last_word,
15407 last_word.chars().any(|c| c.is_uppercase()),
15408 100,
15409 &Default::default(),
15410 executor,
15411 )
15412 .await;
15413
15414 // Remove all candidates where the query's start does not match the start of any word in the candidate
15415 if let Some(query_start) = last_word.chars().next() {
15416 matches.retain(|string_match| {
15417 split_words(&string_match.string).any(|word| {
15418 // Check that the first codepoint of the word as lowercase matches the first
15419 // codepoint of the query as lowercase
15420 word.chars()
15421 .flat_map(|codepoint| codepoint.to_lowercase())
15422 .zip(query_start.to_lowercase())
15423 .all(|(word_cp, query_cp)| word_cp == query_cp)
15424 })
15425 });
15426 }
15427
15428 let matched_strings = matches
15429 .into_iter()
15430 .map(|m| m.string)
15431 .collect::<HashSet<_>>();
15432
15433 let result: Vec<Completion> = snippets
15434 .into_iter()
15435 .filter_map(|snippet| {
15436 let matching_prefix = snippet
15437 .prefix
15438 .iter()
15439 .find(|prefix| matched_strings.contains(*prefix))?;
15440 let start = as_offset - last_word.len();
15441 let start = snapshot.anchor_before(start);
15442 let range = start..buffer_position;
15443 let lsp_start = to_lsp(&start);
15444 let lsp_range = lsp::Range {
15445 start: lsp_start,
15446 end: lsp_end,
15447 };
15448 Some(Completion {
15449 old_range: range,
15450 new_text: snippet.body.clone(),
15451 resolved: false,
15452 label: CodeLabel {
15453 text: matching_prefix.clone(),
15454 runs: vec![],
15455 filter_range: 0..matching_prefix.len(),
15456 },
15457 server_id: LanguageServerId(usize::MAX),
15458 documentation: snippet
15459 .description
15460 .clone()
15461 .map(CompletionDocumentation::SingleLine),
15462 lsp_completion: lsp::CompletionItem {
15463 label: snippet.prefix.first().unwrap().clone(),
15464 kind: Some(CompletionItemKind::SNIPPET),
15465 label_details: snippet.description.as_ref().map(|description| {
15466 lsp::CompletionItemLabelDetails {
15467 detail: Some(description.clone()),
15468 description: None,
15469 }
15470 }),
15471 insert_text_format: Some(InsertTextFormat::SNIPPET),
15472 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
15473 lsp::InsertReplaceEdit {
15474 new_text: snippet.body.clone(),
15475 insert: lsp_range,
15476 replace: lsp_range,
15477 },
15478 )),
15479 filter_text: Some(snippet.body.clone()),
15480 sort_text: Some(char::MAX.to_string()),
15481 ..Default::default()
15482 },
15483 confirm: None,
15484 })
15485 })
15486 .collect();
15487
15488 Ok(result)
15489 })
15490}
15491
15492impl CompletionProvider for Entity<Project> {
15493 fn completions(
15494 &self,
15495 buffer: &Entity<Buffer>,
15496 buffer_position: text::Anchor,
15497 options: CompletionContext,
15498 _window: &mut Window,
15499 cx: &mut Context<Editor>,
15500 ) -> Task<Result<Vec<Completion>>> {
15501 self.update(cx, |project, cx| {
15502 let snippets = snippet_completions(project, buffer, buffer_position, cx);
15503 let project_completions = project.completions(buffer, buffer_position, options, cx);
15504 cx.background_executor().spawn(async move {
15505 let mut completions = project_completions.await?;
15506 let snippets_completions = snippets.await?;
15507 completions.extend(snippets_completions);
15508 Ok(completions)
15509 })
15510 })
15511 }
15512
15513 fn resolve_completions(
15514 &self,
15515 buffer: Entity<Buffer>,
15516 completion_indices: Vec<usize>,
15517 completions: Rc<RefCell<Box<[Completion]>>>,
15518 cx: &mut Context<Editor>,
15519 ) -> Task<Result<bool>> {
15520 self.update(cx, |project, cx| {
15521 project.lsp_store().update(cx, |lsp_store, cx| {
15522 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
15523 })
15524 })
15525 }
15526
15527 fn apply_additional_edits_for_completion(
15528 &self,
15529 buffer: Entity<Buffer>,
15530 completions: Rc<RefCell<Box<[Completion]>>>,
15531 completion_index: usize,
15532 push_to_history: bool,
15533 cx: &mut Context<Editor>,
15534 ) -> Task<Result<Option<language::Transaction>>> {
15535 self.update(cx, |project, cx| {
15536 project.lsp_store().update(cx, |lsp_store, cx| {
15537 lsp_store.apply_additional_edits_for_completion(
15538 buffer,
15539 completions,
15540 completion_index,
15541 push_to_history,
15542 cx,
15543 )
15544 })
15545 })
15546 }
15547
15548 fn is_completion_trigger(
15549 &self,
15550 buffer: &Entity<Buffer>,
15551 position: language::Anchor,
15552 text: &str,
15553 trigger_in_words: bool,
15554 cx: &mut Context<Editor>,
15555 ) -> bool {
15556 let mut chars = text.chars();
15557 let char = if let Some(char) = chars.next() {
15558 char
15559 } else {
15560 return false;
15561 };
15562 if chars.next().is_some() {
15563 return false;
15564 }
15565
15566 let buffer = buffer.read(cx);
15567 let snapshot = buffer.snapshot();
15568 if !snapshot.settings_at(position, cx).show_completions_on_input {
15569 return false;
15570 }
15571 let classifier = snapshot.char_classifier_at(position).for_completion(true);
15572 if trigger_in_words && classifier.is_word(char) {
15573 return true;
15574 }
15575
15576 buffer.completion_triggers().contains(text)
15577 }
15578}
15579
15580impl SemanticsProvider for Entity<Project> {
15581 fn hover(
15582 &self,
15583 buffer: &Entity<Buffer>,
15584 position: text::Anchor,
15585 cx: &mut App,
15586 ) -> Option<Task<Vec<project::Hover>>> {
15587 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
15588 }
15589
15590 fn document_highlights(
15591 &self,
15592 buffer: &Entity<Buffer>,
15593 position: text::Anchor,
15594 cx: &mut App,
15595 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
15596 Some(self.update(cx, |project, cx| {
15597 project.document_highlights(buffer, position, cx)
15598 }))
15599 }
15600
15601 fn definitions(
15602 &self,
15603 buffer: &Entity<Buffer>,
15604 position: text::Anchor,
15605 kind: GotoDefinitionKind,
15606 cx: &mut App,
15607 ) -> Option<Task<Result<Vec<LocationLink>>>> {
15608 Some(self.update(cx, |project, cx| match kind {
15609 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
15610 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
15611 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
15612 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
15613 }))
15614 }
15615
15616 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
15617 // TODO: make this work for remote projects
15618 self.read(cx)
15619 .language_servers_for_local_buffer(buffer.read(cx), cx)
15620 .any(
15621 |(_, server)| match server.capabilities().inlay_hint_provider {
15622 Some(lsp::OneOf::Left(enabled)) => enabled,
15623 Some(lsp::OneOf::Right(_)) => true,
15624 None => false,
15625 },
15626 )
15627 }
15628
15629 fn inlay_hints(
15630 &self,
15631 buffer_handle: Entity<Buffer>,
15632 range: Range<text::Anchor>,
15633 cx: &mut App,
15634 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
15635 Some(self.update(cx, |project, cx| {
15636 project.inlay_hints(buffer_handle, range, cx)
15637 }))
15638 }
15639
15640 fn resolve_inlay_hint(
15641 &self,
15642 hint: InlayHint,
15643 buffer_handle: Entity<Buffer>,
15644 server_id: LanguageServerId,
15645 cx: &mut App,
15646 ) -> Option<Task<anyhow::Result<InlayHint>>> {
15647 Some(self.update(cx, |project, cx| {
15648 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
15649 }))
15650 }
15651
15652 fn range_for_rename(
15653 &self,
15654 buffer: &Entity<Buffer>,
15655 position: text::Anchor,
15656 cx: &mut App,
15657 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
15658 Some(self.update(cx, |project, cx| {
15659 let buffer = buffer.clone();
15660 let task = project.prepare_rename(buffer.clone(), position, cx);
15661 cx.spawn(|_, mut cx| async move {
15662 Ok(match task.await? {
15663 PrepareRenameResponse::Success(range) => Some(range),
15664 PrepareRenameResponse::InvalidPosition => None,
15665 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
15666 // Fallback on using TreeSitter info to determine identifier range
15667 buffer.update(&mut cx, |buffer, _| {
15668 let snapshot = buffer.snapshot();
15669 let (range, kind) = snapshot.surrounding_word(position);
15670 if kind != Some(CharKind::Word) {
15671 return None;
15672 }
15673 Some(
15674 snapshot.anchor_before(range.start)
15675 ..snapshot.anchor_after(range.end),
15676 )
15677 })?
15678 }
15679 })
15680 })
15681 }))
15682 }
15683
15684 fn perform_rename(
15685 &self,
15686 buffer: &Entity<Buffer>,
15687 position: text::Anchor,
15688 new_name: String,
15689 cx: &mut App,
15690 ) -> Option<Task<Result<ProjectTransaction>>> {
15691 Some(self.update(cx, |project, cx| {
15692 project.perform_rename(buffer.clone(), position, new_name, cx)
15693 }))
15694 }
15695}
15696
15697fn inlay_hint_settings(
15698 location: Anchor,
15699 snapshot: &MultiBufferSnapshot,
15700 cx: &mut Context<Editor>,
15701) -> InlayHintSettings {
15702 let file = snapshot.file_at(location);
15703 let language = snapshot.language_at(location).map(|l| l.name());
15704 language_settings(language, file, cx).inlay_hints
15705}
15706
15707fn consume_contiguous_rows(
15708 contiguous_row_selections: &mut Vec<Selection<Point>>,
15709 selection: &Selection<Point>,
15710 display_map: &DisplaySnapshot,
15711 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
15712) -> (MultiBufferRow, MultiBufferRow) {
15713 contiguous_row_selections.push(selection.clone());
15714 let start_row = MultiBufferRow(selection.start.row);
15715 let mut end_row = ending_row(selection, display_map);
15716
15717 while let Some(next_selection) = selections.peek() {
15718 if next_selection.start.row <= end_row.0 {
15719 end_row = ending_row(next_selection, display_map);
15720 contiguous_row_selections.push(selections.next().unwrap().clone());
15721 } else {
15722 break;
15723 }
15724 }
15725 (start_row, end_row)
15726}
15727
15728fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
15729 if next_selection.end.column > 0 || next_selection.is_empty() {
15730 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
15731 } else {
15732 MultiBufferRow(next_selection.end.row)
15733 }
15734}
15735
15736impl EditorSnapshot {
15737 pub fn remote_selections_in_range<'a>(
15738 &'a self,
15739 range: &'a Range<Anchor>,
15740 collaboration_hub: &dyn CollaborationHub,
15741 cx: &'a App,
15742 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15743 let participant_names = collaboration_hub.user_names(cx);
15744 let participant_indices = collaboration_hub.user_participant_indices(cx);
15745 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15746 let collaborators_by_replica_id = collaborators_by_peer_id
15747 .iter()
15748 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15749 .collect::<HashMap<_, _>>();
15750 self.buffer_snapshot
15751 .selections_in_range(range, false)
15752 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15753 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15754 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15755 let user_name = participant_names.get(&collaborator.user_id).cloned();
15756 Some(RemoteSelection {
15757 replica_id,
15758 selection,
15759 cursor_shape,
15760 line_mode,
15761 participant_index,
15762 peer_id: collaborator.peer_id,
15763 user_name,
15764 })
15765 })
15766 }
15767
15768 pub fn hunks_for_ranges(
15769 &self,
15770 ranges: impl Iterator<Item = Range<Point>>,
15771 ) -> Vec<MultiBufferDiffHunk> {
15772 let mut hunks = Vec::new();
15773 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15774 HashMap::default();
15775 for query_range in ranges {
15776 let query_rows =
15777 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15778 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15779 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15780 ) {
15781 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15782 // when the caret is just above or just below the deleted hunk.
15783 let allow_adjacent = hunk.status().is_removed();
15784 let related_to_selection = if allow_adjacent {
15785 hunk.row_range.overlaps(&query_rows)
15786 || hunk.row_range.start == query_rows.end
15787 || hunk.row_range.end == query_rows.start
15788 } else {
15789 hunk.row_range.overlaps(&query_rows)
15790 };
15791 if related_to_selection {
15792 if !processed_buffer_rows
15793 .entry(hunk.buffer_id)
15794 .or_default()
15795 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15796 {
15797 continue;
15798 }
15799 hunks.push(hunk);
15800 }
15801 }
15802 }
15803
15804 hunks
15805 }
15806
15807 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15808 self.display_snapshot.buffer_snapshot.language_at(position)
15809 }
15810
15811 pub fn is_focused(&self) -> bool {
15812 self.is_focused
15813 }
15814
15815 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15816 self.placeholder_text.as_ref()
15817 }
15818
15819 pub fn scroll_position(&self) -> gpui::Point<f32> {
15820 self.scroll_anchor.scroll_position(&self.display_snapshot)
15821 }
15822
15823 fn gutter_dimensions(
15824 &self,
15825 font_id: FontId,
15826 font_size: Pixels,
15827 max_line_number_width: Pixels,
15828 cx: &App,
15829 ) -> Option<GutterDimensions> {
15830 if !self.show_gutter {
15831 return None;
15832 }
15833
15834 let descent = cx.text_system().descent(font_id, font_size);
15835 let em_width = cx.text_system().em_width(font_id, font_size).log_err()?;
15836 let em_advance = cx.text_system().em_advance(font_id, font_size).log_err()?;
15837
15838 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15839 matches!(
15840 ProjectSettings::get_global(cx).git.git_gutter,
15841 Some(GitGutterSetting::TrackedFiles)
15842 )
15843 });
15844 let gutter_settings = EditorSettings::get_global(cx).gutter;
15845 let show_line_numbers = self
15846 .show_line_numbers
15847 .unwrap_or(gutter_settings.line_numbers);
15848 let line_gutter_width = if show_line_numbers {
15849 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15850 let min_width_for_number_on_gutter = em_advance * 4.0;
15851 max_line_number_width.max(min_width_for_number_on_gutter)
15852 } else {
15853 0.0.into()
15854 };
15855
15856 let show_code_actions = self
15857 .show_code_actions
15858 .unwrap_or(gutter_settings.code_actions);
15859
15860 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15861
15862 let git_blame_entries_width =
15863 self.git_blame_gutter_max_author_length
15864 .map(|max_author_length| {
15865 const MAX_RELATIVE_TIMESTAMP: &str = "60 minutes ago";
15866
15867 /// The number of characters to dedicate to gaps and margins.
15868 const SPACING_WIDTH: usize = 4;
15869
15870 let max_char_count = max_author_length
15871 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15872 + ::git::SHORT_SHA_LENGTH
15873 + MAX_RELATIVE_TIMESTAMP.len()
15874 + SPACING_WIDTH;
15875
15876 em_advance * max_char_count
15877 });
15878
15879 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15880 left_padding += if show_code_actions || show_runnables {
15881 em_width * 3.0
15882 } else if show_git_gutter && show_line_numbers {
15883 em_width * 2.0
15884 } else if show_git_gutter || show_line_numbers {
15885 em_width
15886 } else {
15887 px(0.)
15888 };
15889
15890 let right_padding = if gutter_settings.folds && show_line_numbers {
15891 em_width * 4.0
15892 } else if gutter_settings.folds {
15893 em_width * 3.0
15894 } else if show_line_numbers {
15895 em_width
15896 } else {
15897 px(0.)
15898 };
15899
15900 Some(GutterDimensions {
15901 left_padding,
15902 right_padding,
15903 width: line_gutter_width + left_padding + right_padding,
15904 margin: -descent,
15905 git_blame_entries_width,
15906 })
15907 }
15908
15909 pub fn render_crease_toggle(
15910 &self,
15911 buffer_row: MultiBufferRow,
15912 row_contains_cursor: bool,
15913 editor: Entity<Editor>,
15914 window: &mut Window,
15915 cx: &mut App,
15916 ) -> Option<AnyElement> {
15917 let folded = self.is_line_folded(buffer_row);
15918 let mut is_foldable = false;
15919
15920 if let Some(crease) = self
15921 .crease_snapshot
15922 .query_row(buffer_row, &self.buffer_snapshot)
15923 {
15924 is_foldable = true;
15925 match crease {
15926 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15927 if let Some(render_toggle) = render_toggle {
15928 let toggle_callback =
15929 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15930 if folded {
15931 editor.update(cx, |editor, cx| {
15932 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15933 });
15934 } else {
15935 editor.update(cx, |editor, cx| {
15936 editor.unfold_at(
15937 &crate::UnfoldAt { buffer_row },
15938 window,
15939 cx,
15940 )
15941 });
15942 }
15943 });
15944 return Some((render_toggle)(
15945 buffer_row,
15946 folded,
15947 toggle_callback,
15948 window,
15949 cx,
15950 ));
15951 }
15952 }
15953 }
15954 }
15955
15956 is_foldable |= self.starts_indent(buffer_row);
15957
15958 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15959 Some(
15960 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15961 .toggle_state(folded)
15962 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15963 if folded {
15964 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15965 } else {
15966 this.fold_at(&FoldAt { buffer_row }, window, cx);
15967 }
15968 }))
15969 .into_any_element(),
15970 )
15971 } else {
15972 None
15973 }
15974 }
15975
15976 pub fn render_crease_trailer(
15977 &self,
15978 buffer_row: MultiBufferRow,
15979 window: &mut Window,
15980 cx: &mut App,
15981 ) -> Option<AnyElement> {
15982 let folded = self.is_line_folded(buffer_row);
15983 if let Crease::Inline { render_trailer, .. } = self
15984 .crease_snapshot
15985 .query_row(buffer_row, &self.buffer_snapshot)?
15986 {
15987 let render_trailer = render_trailer.as_ref()?;
15988 Some(render_trailer(buffer_row, folded, window, cx))
15989 } else {
15990 None
15991 }
15992 }
15993}
15994
15995impl Deref for EditorSnapshot {
15996 type Target = DisplaySnapshot;
15997
15998 fn deref(&self) -> &Self::Target {
15999 &self.display_snapshot
16000 }
16001}
16002
16003#[derive(Clone, Debug, PartialEq, Eq)]
16004pub enum EditorEvent {
16005 InputIgnored {
16006 text: Arc<str>,
16007 },
16008 InputHandled {
16009 utf16_range_to_replace: Option<Range<isize>>,
16010 text: Arc<str>,
16011 },
16012 ExcerptsAdded {
16013 buffer: Entity<Buffer>,
16014 predecessor: ExcerptId,
16015 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
16016 },
16017 ExcerptsRemoved {
16018 ids: Vec<ExcerptId>,
16019 },
16020 BufferFoldToggled {
16021 ids: Vec<ExcerptId>,
16022 folded: bool,
16023 },
16024 ExcerptsEdited {
16025 ids: Vec<ExcerptId>,
16026 },
16027 ExcerptsExpanded {
16028 ids: Vec<ExcerptId>,
16029 },
16030 BufferEdited,
16031 Edited {
16032 transaction_id: clock::Lamport,
16033 },
16034 Reparsed(BufferId),
16035 Focused,
16036 FocusedIn,
16037 Blurred,
16038 DirtyChanged,
16039 Saved,
16040 TitleChanged,
16041 DiffBaseChanged,
16042 SelectionsChanged {
16043 local: bool,
16044 },
16045 ScrollPositionChanged {
16046 local: bool,
16047 autoscroll: bool,
16048 },
16049 Closed,
16050 TransactionUndone {
16051 transaction_id: clock::Lamport,
16052 },
16053 TransactionBegun {
16054 transaction_id: clock::Lamport,
16055 },
16056 Reloaded,
16057 CursorShapeChanged,
16058}
16059
16060impl EventEmitter<EditorEvent> for Editor {}
16061
16062impl Focusable for Editor {
16063 fn focus_handle(&self, _cx: &App) -> FocusHandle {
16064 self.focus_handle.clone()
16065 }
16066}
16067
16068impl Render for Editor {
16069 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
16070 let settings = ThemeSettings::get_global(cx);
16071
16072 let mut text_style = match self.mode {
16073 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
16074 color: cx.theme().colors().editor_foreground,
16075 font_family: settings.ui_font.family.clone(),
16076 font_features: settings.ui_font.features.clone(),
16077 font_fallbacks: settings.ui_font.fallbacks.clone(),
16078 font_size: rems(0.875).into(),
16079 font_weight: settings.ui_font.weight,
16080 line_height: relative(settings.buffer_line_height.value()),
16081 ..Default::default()
16082 },
16083 EditorMode::Full => TextStyle {
16084 color: cx.theme().colors().editor_foreground,
16085 font_family: settings.buffer_font.family.clone(),
16086 font_features: settings.buffer_font.features.clone(),
16087 font_fallbacks: settings.buffer_font.fallbacks.clone(),
16088 font_size: settings.buffer_font_size().into(),
16089 font_weight: settings.buffer_font.weight,
16090 line_height: relative(settings.buffer_line_height.value()),
16091 ..Default::default()
16092 },
16093 };
16094 if let Some(text_style_refinement) = &self.text_style_refinement {
16095 text_style.refine(text_style_refinement)
16096 }
16097
16098 let background = match self.mode {
16099 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
16100 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
16101 EditorMode::Full => cx.theme().colors().editor_background,
16102 };
16103
16104 EditorElement::new(
16105 &cx.entity(),
16106 EditorStyle {
16107 background,
16108 local_player: cx.theme().players().local(),
16109 text: text_style,
16110 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
16111 syntax: cx.theme().syntax().clone(),
16112 status: cx.theme().status().clone(),
16113 inlay_hints_style: make_inlay_hints_style(cx),
16114 inline_completion_styles: make_suggestion_styles(cx),
16115 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
16116 },
16117 )
16118 }
16119}
16120
16121impl EntityInputHandler for Editor {
16122 fn text_for_range(
16123 &mut self,
16124 range_utf16: Range<usize>,
16125 adjusted_range: &mut Option<Range<usize>>,
16126 _: &mut Window,
16127 cx: &mut Context<Self>,
16128 ) -> Option<String> {
16129 let snapshot = self.buffer.read(cx).read(cx);
16130 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
16131 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
16132 if (start.0..end.0) != range_utf16 {
16133 adjusted_range.replace(start.0..end.0);
16134 }
16135 Some(snapshot.text_for_range(start..end).collect())
16136 }
16137
16138 fn selected_text_range(
16139 &mut self,
16140 ignore_disabled_input: bool,
16141 _: &mut Window,
16142 cx: &mut Context<Self>,
16143 ) -> Option<UTF16Selection> {
16144 // Prevent the IME menu from appearing when holding down an alphabetic key
16145 // while input is disabled.
16146 if !ignore_disabled_input && !self.input_enabled {
16147 return None;
16148 }
16149
16150 let selection = self.selections.newest::<OffsetUtf16>(cx);
16151 let range = selection.range();
16152
16153 Some(UTF16Selection {
16154 range: range.start.0..range.end.0,
16155 reversed: selection.reversed,
16156 })
16157 }
16158
16159 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
16160 let snapshot = self.buffer.read(cx).read(cx);
16161 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
16162 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
16163 }
16164
16165 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
16166 self.clear_highlights::<InputComposition>(cx);
16167 self.ime_transaction.take();
16168 }
16169
16170 fn replace_text_in_range(
16171 &mut self,
16172 range_utf16: Option<Range<usize>>,
16173 text: &str,
16174 window: &mut Window,
16175 cx: &mut Context<Self>,
16176 ) {
16177 if !self.input_enabled {
16178 cx.emit(EditorEvent::InputIgnored { text: text.into() });
16179 return;
16180 }
16181
16182 self.transact(window, cx, |this, window, cx| {
16183 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
16184 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16185 Some(this.selection_replacement_ranges(range_utf16, cx))
16186 } else {
16187 this.marked_text_ranges(cx)
16188 };
16189
16190 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
16191 let newest_selection_id = this.selections.newest_anchor().id;
16192 this.selections
16193 .all::<OffsetUtf16>(cx)
16194 .iter()
16195 .zip(ranges_to_replace.iter())
16196 .find_map(|(selection, range)| {
16197 if selection.id == newest_selection_id {
16198 Some(
16199 (range.start.0 as isize - selection.head().0 as isize)
16200 ..(range.end.0 as isize - selection.head().0 as isize),
16201 )
16202 } else {
16203 None
16204 }
16205 })
16206 });
16207
16208 cx.emit(EditorEvent::InputHandled {
16209 utf16_range_to_replace: range_to_replace,
16210 text: text.into(),
16211 });
16212
16213 if let Some(new_selected_ranges) = new_selected_ranges {
16214 this.change_selections(None, window, cx, |selections| {
16215 selections.select_ranges(new_selected_ranges)
16216 });
16217 this.backspace(&Default::default(), window, cx);
16218 }
16219
16220 this.handle_input(text, window, cx);
16221 });
16222
16223 if let Some(transaction) = self.ime_transaction {
16224 self.buffer.update(cx, |buffer, cx| {
16225 buffer.group_until_transaction(transaction, cx);
16226 });
16227 }
16228
16229 self.unmark_text(window, cx);
16230 }
16231
16232 fn replace_and_mark_text_in_range(
16233 &mut self,
16234 range_utf16: Option<Range<usize>>,
16235 text: &str,
16236 new_selected_range_utf16: Option<Range<usize>>,
16237 window: &mut Window,
16238 cx: &mut Context<Self>,
16239 ) {
16240 if !self.input_enabled {
16241 return;
16242 }
16243
16244 let transaction = self.transact(window, cx, |this, window, cx| {
16245 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
16246 let snapshot = this.buffer.read(cx).read(cx);
16247 if let Some(relative_range_utf16) = range_utf16.as_ref() {
16248 for marked_range in &mut marked_ranges {
16249 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
16250 marked_range.start.0 += relative_range_utf16.start;
16251 marked_range.start =
16252 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
16253 marked_range.end =
16254 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
16255 }
16256 }
16257 Some(marked_ranges)
16258 } else if let Some(range_utf16) = range_utf16 {
16259 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16260 Some(this.selection_replacement_ranges(range_utf16, cx))
16261 } else {
16262 None
16263 };
16264
16265 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
16266 let newest_selection_id = this.selections.newest_anchor().id;
16267 this.selections
16268 .all::<OffsetUtf16>(cx)
16269 .iter()
16270 .zip(ranges_to_replace.iter())
16271 .find_map(|(selection, range)| {
16272 if selection.id == newest_selection_id {
16273 Some(
16274 (range.start.0 as isize - selection.head().0 as isize)
16275 ..(range.end.0 as isize - selection.head().0 as isize),
16276 )
16277 } else {
16278 None
16279 }
16280 })
16281 });
16282
16283 cx.emit(EditorEvent::InputHandled {
16284 utf16_range_to_replace: range_to_replace,
16285 text: text.into(),
16286 });
16287
16288 if let Some(ranges) = ranges_to_replace {
16289 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
16290 }
16291
16292 let marked_ranges = {
16293 let snapshot = this.buffer.read(cx).read(cx);
16294 this.selections
16295 .disjoint_anchors()
16296 .iter()
16297 .map(|selection| {
16298 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
16299 })
16300 .collect::<Vec<_>>()
16301 };
16302
16303 if text.is_empty() {
16304 this.unmark_text(window, cx);
16305 } else {
16306 this.highlight_text::<InputComposition>(
16307 marked_ranges.clone(),
16308 HighlightStyle {
16309 underline: Some(UnderlineStyle {
16310 thickness: px(1.),
16311 color: None,
16312 wavy: false,
16313 }),
16314 ..Default::default()
16315 },
16316 cx,
16317 );
16318 }
16319
16320 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
16321 let use_autoclose = this.use_autoclose;
16322 let use_auto_surround = this.use_auto_surround;
16323 this.set_use_autoclose(false);
16324 this.set_use_auto_surround(false);
16325 this.handle_input(text, window, cx);
16326 this.set_use_autoclose(use_autoclose);
16327 this.set_use_auto_surround(use_auto_surround);
16328
16329 if let Some(new_selected_range) = new_selected_range_utf16 {
16330 let snapshot = this.buffer.read(cx).read(cx);
16331 let new_selected_ranges = marked_ranges
16332 .into_iter()
16333 .map(|marked_range| {
16334 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
16335 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
16336 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
16337 snapshot.clip_offset_utf16(new_start, Bias::Left)
16338 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
16339 })
16340 .collect::<Vec<_>>();
16341
16342 drop(snapshot);
16343 this.change_selections(None, window, cx, |selections| {
16344 selections.select_ranges(new_selected_ranges)
16345 });
16346 }
16347 });
16348
16349 self.ime_transaction = self.ime_transaction.or(transaction);
16350 if let Some(transaction) = self.ime_transaction {
16351 self.buffer.update(cx, |buffer, cx| {
16352 buffer.group_until_transaction(transaction, cx);
16353 });
16354 }
16355
16356 if self.text_highlights::<InputComposition>(cx).is_none() {
16357 self.ime_transaction.take();
16358 }
16359 }
16360
16361 fn bounds_for_range(
16362 &mut self,
16363 range_utf16: Range<usize>,
16364 element_bounds: gpui::Bounds<Pixels>,
16365 window: &mut Window,
16366 cx: &mut Context<Self>,
16367 ) -> Option<gpui::Bounds<Pixels>> {
16368 let text_layout_details = self.text_layout_details(window);
16369 let gpui::Size {
16370 width: em_width,
16371 height: line_height,
16372 } = self.character_size(window);
16373
16374 let snapshot = self.snapshot(window, cx);
16375 let scroll_position = snapshot.scroll_position();
16376 let scroll_left = scroll_position.x * em_width;
16377
16378 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
16379 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
16380 + self.gutter_dimensions.width
16381 + self.gutter_dimensions.margin;
16382 let y = line_height * (start.row().as_f32() - scroll_position.y);
16383
16384 Some(Bounds {
16385 origin: element_bounds.origin + point(x, y),
16386 size: size(em_width, line_height),
16387 })
16388 }
16389
16390 fn character_index_for_point(
16391 &mut self,
16392 point: gpui::Point<Pixels>,
16393 _window: &mut Window,
16394 _cx: &mut Context<Self>,
16395 ) -> Option<usize> {
16396 let position_map = self.last_position_map.as_ref()?;
16397 if !position_map.text_hitbox.contains(&point) {
16398 return None;
16399 }
16400 let display_point = position_map.point_for_position(point).previous_valid;
16401 let anchor = position_map
16402 .snapshot
16403 .display_point_to_anchor(display_point, Bias::Left);
16404 let utf16_offset = anchor.to_offset_utf16(&position_map.snapshot.buffer_snapshot);
16405 Some(utf16_offset.0)
16406 }
16407}
16408
16409trait SelectionExt {
16410 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
16411 fn spanned_rows(
16412 &self,
16413 include_end_if_at_line_start: bool,
16414 map: &DisplaySnapshot,
16415 ) -> Range<MultiBufferRow>;
16416}
16417
16418impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
16419 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
16420 let start = self
16421 .start
16422 .to_point(&map.buffer_snapshot)
16423 .to_display_point(map);
16424 let end = self
16425 .end
16426 .to_point(&map.buffer_snapshot)
16427 .to_display_point(map);
16428 if self.reversed {
16429 end..start
16430 } else {
16431 start..end
16432 }
16433 }
16434
16435 fn spanned_rows(
16436 &self,
16437 include_end_if_at_line_start: bool,
16438 map: &DisplaySnapshot,
16439 ) -> Range<MultiBufferRow> {
16440 let start = self.start.to_point(&map.buffer_snapshot);
16441 let mut end = self.end.to_point(&map.buffer_snapshot);
16442 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
16443 end.row -= 1;
16444 }
16445
16446 let buffer_start = map.prev_line_boundary(start).0;
16447 let buffer_end = map.next_line_boundary(end).0;
16448 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
16449 }
16450}
16451
16452impl<T: InvalidationRegion> InvalidationStack<T> {
16453 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
16454 where
16455 S: Clone + ToOffset,
16456 {
16457 while let Some(region) = self.last() {
16458 let all_selections_inside_invalidation_ranges =
16459 if selections.len() == region.ranges().len() {
16460 selections
16461 .iter()
16462 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
16463 .all(|(selection, invalidation_range)| {
16464 let head = selection.head().to_offset(buffer);
16465 invalidation_range.start <= head && invalidation_range.end >= head
16466 })
16467 } else {
16468 false
16469 };
16470
16471 if all_selections_inside_invalidation_ranges {
16472 break;
16473 } else {
16474 self.pop();
16475 }
16476 }
16477 }
16478}
16479
16480impl<T> Default for InvalidationStack<T> {
16481 fn default() -> Self {
16482 Self(Default::default())
16483 }
16484}
16485
16486impl<T> Deref for InvalidationStack<T> {
16487 type Target = Vec<T>;
16488
16489 fn deref(&self) -> &Self::Target {
16490 &self.0
16491 }
16492}
16493
16494impl<T> DerefMut for InvalidationStack<T> {
16495 fn deref_mut(&mut self) -> &mut Self::Target {
16496 &mut self.0
16497 }
16498}
16499
16500impl InvalidationRegion for SnippetState {
16501 fn ranges(&self) -> &[Range<Anchor>] {
16502 &self.ranges[self.active_index]
16503 }
16504}
16505
16506pub fn diagnostic_block_renderer(
16507 diagnostic: Diagnostic,
16508 max_message_rows: Option<u8>,
16509 allow_closing: bool,
16510 _is_valid: bool,
16511) -> RenderBlock {
16512 let (text_without_backticks, code_ranges) =
16513 highlight_diagnostic_message(&diagnostic, max_message_rows);
16514
16515 Arc::new(move |cx: &mut BlockContext| {
16516 let group_id: SharedString = cx.block_id.to_string().into();
16517
16518 let mut text_style = cx.window.text_style().clone();
16519 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
16520 let theme_settings = ThemeSettings::get_global(cx);
16521 text_style.font_family = theme_settings.buffer_font.family.clone();
16522 text_style.font_style = theme_settings.buffer_font.style;
16523 text_style.font_features = theme_settings.buffer_font.features.clone();
16524 text_style.font_weight = theme_settings.buffer_font.weight;
16525
16526 let multi_line_diagnostic = diagnostic.message.contains('\n');
16527
16528 let buttons = |diagnostic: &Diagnostic| {
16529 if multi_line_diagnostic {
16530 v_flex()
16531 } else {
16532 h_flex()
16533 }
16534 .when(allow_closing, |div| {
16535 div.children(diagnostic.is_primary.then(|| {
16536 IconButton::new("close-block", IconName::XCircle)
16537 .icon_color(Color::Muted)
16538 .size(ButtonSize::Compact)
16539 .style(ButtonStyle::Transparent)
16540 .visible_on_hover(group_id.clone())
16541 .on_click(move |_click, window, cx| {
16542 window.dispatch_action(Box::new(Cancel), cx)
16543 })
16544 .tooltip(|window, cx| {
16545 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
16546 })
16547 }))
16548 })
16549 .child(
16550 IconButton::new("copy-block", IconName::Copy)
16551 .icon_color(Color::Muted)
16552 .size(ButtonSize::Compact)
16553 .style(ButtonStyle::Transparent)
16554 .visible_on_hover(group_id.clone())
16555 .on_click({
16556 let message = diagnostic.message.clone();
16557 move |_click, _, cx| {
16558 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
16559 }
16560 })
16561 .tooltip(Tooltip::text("Copy diagnostic message")),
16562 )
16563 };
16564
16565 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
16566 AvailableSpace::min_size(),
16567 cx.window,
16568 cx.app,
16569 );
16570
16571 h_flex()
16572 .id(cx.block_id)
16573 .group(group_id.clone())
16574 .relative()
16575 .size_full()
16576 .block_mouse_down()
16577 .pl(cx.gutter_dimensions.width)
16578 .w(cx.max_width - cx.gutter_dimensions.full_width())
16579 .child(
16580 div()
16581 .flex()
16582 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
16583 .flex_shrink(),
16584 )
16585 .child(buttons(&diagnostic))
16586 .child(div().flex().flex_shrink_0().child(
16587 StyledText::new(text_without_backticks.clone()).with_highlights(
16588 &text_style,
16589 code_ranges.iter().map(|range| {
16590 (
16591 range.clone(),
16592 HighlightStyle {
16593 font_weight: Some(FontWeight::BOLD),
16594 ..Default::default()
16595 },
16596 )
16597 }),
16598 ),
16599 ))
16600 .into_any_element()
16601 })
16602}
16603
16604fn inline_completion_edit_text(
16605 current_snapshot: &BufferSnapshot,
16606 edits: &[(Range<Anchor>, String)],
16607 edit_preview: &EditPreview,
16608 include_deletions: bool,
16609 cx: &App,
16610) -> HighlightedText {
16611 let edits = edits
16612 .iter()
16613 .map(|(anchor, text)| {
16614 (
16615 anchor.start.text_anchor..anchor.end.text_anchor,
16616 text.clone(),
16617 )
16618 })
16619 .collect::<Vec<_>>();
16620
16621 edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx)
16622}
16623
16624pub fn highlight_diagnostic_message(
16625 diagnostic: &Diagnostic,
16626 mut max_message_rows: Option<u8>,
16627) -> (SharedString, Vec<Range<usize>>) {
16628 let mut text_without_backticks = String::new();
16629 let mut code_ranges = Vec::new();
16630
16631 if let Some(source) = &diagnostic.source {
16632 text_without_backticks.push_str(source);
16633 code_ranges.push(0..source.len());
16634 text_without_backticks.push_str(": ");
16635 }
16636
16637 let mut prev_offset = 0;
16638 let mut in_code_block = false;
16639 let has_row_limit = max_message_rows.is_some();
16640 let mut newline_indices = diagnostic
16641 .message
16642 .match_indices('\n')
16643 .filter(|_| has_row_limit)
16644 .map(|(ix, _)| ix)
16645 .fuse()
16646 .peekable();
16647
16648 for (quote_ix, _) in diagnostic
16649 .message
16650 .match_indices('`')
16651 .chain([(diagnostic.message.len(), "")])
16652 {
16653 let mut first_newline_ix = None;
16654 let mut last_newline_ix = None;
16655 while let Some(newline_ix) = newline_indices.peek() {
16656 if *newline_ix < quote_ix {
16657 if first_newline_ix.is_none() {
16658 first_newline_ix = Some(*newline_ix);
16659 }
16660 last_newline_ix = Some(*newline_ix);
16661
16662 if let Some(rows_left) = &mut max_message_rows {
16663 if *rows_left == 0 {
16664 break;
16665 } else {
16666 *rows_left -= 1;
16667 }
16668 }
16669 let _ = newline_indices.next();
16670 } else {
16671 break;
16672 }
16673 }
16674 let prev_len = text_without_backticks.len();
16675 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
16676 text_without_backticks.push_str(new_text);
16677 if in_code_block {
16678 code_ranges.push(prev_len..text_without_backticks.len());
16679 }
16680 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
16681 in_code_block = !in_code_block;
16682 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
16683 text_without_backticks.push_str("...");
16684 break;
16685 }
16686 }
16687
16688 (text_without_backticks.into(), code_ranges)
16689}
16690
16691fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
16692 match severity {
16693 DiagnosticSeverity::ERROR => colors.error,
16694 DiagnosticSeverity::WARNING => colors.warning,
16695 DiagnosticSeverity::INFORMATION => colors.info,
16696 DiagnosticSeverity::HINT => colors.info,
16697 _ => colors.ignored,
16698 }
16699}
16700
16701pub fn styled_runs_for_code_label<'a>(
16702 label: &'a CodeLabel,
16703 syntax_theme: &'a theme::SyntaxTheme,
16704) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
16705 let fade_out = HighlightStyle {
16706 fade_out: Some(0.35),
16707 ..Default::default()
16708 };
16709
16710 let mut prev_end = label.filter_range.end;
16711 label
16712 .runs
16713 .iter()
16714 .enumerate()
16715 .flat_map(move |(ix, (range, highlight_id))| {
16716 let style = if let Some(style) = highlight_id.style(syntax_theme) {
16717 style
16718 } else {
16719 return Default::default();
16720 };
16721 let mut muted_style = style;
16722 muted_style.highlight(fade_out);
16723
16724 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
16725 if range.start >= label.filter_range.end {
16726 if range.start > prev_end {
16727 runs.push((prev_end..range.start, fade_out));
16728 }
16729 runs.push((range.clone(), muted_style));
16730 } else if range.end <= label.filter_range.end {
16731 runs.push((range.clone(), style));
16732 } else {
16733 runs.push((range.start..label.filter_range.end, style));
16734 runs.push((label.filter_range.end..range.end, muted_style));
16735 }
16736 prev_end = cmp::max(prev_end, range.end);
16737
16738 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
16739 runs.push((prev_end..label.text.len(), fade_out));
16740 }
16741
16742 runs
16743 })
16744}
16745
16746pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16747 let mut prev_index = 0;
16748 let mut prev_codepoint: Option<char> = None;
16749 text.char_indices()
16750 .chain([(text.len(), '\0')])
16751 .filter_map(move |(index, codepoint)| {
16752 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16753 let is_boundary = index == text.len()
16754 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16755 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16756 if is_boundary {
16757 let chunk = &text[prev_index..index];
16758 prev_index = index;
16759 Some(chunk)
16760 } else {
16761 None
16762 }
16763 })
16764}
16765
16766pub trait RangeToAnchorExt: Sized {
16767 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16768
16769 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16770 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16771 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16772 }
16773}
16774
16775impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16776 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16777 let start_offset = self.start.to_offset(snapshot);
16778 let end_offset = self.end.to_offset(snapshot);
16779 if start_offset == end_offset {
16780 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16781 } else {
16782 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16783 }
16784 }
16785}
16786
16787pub trait RowExt {
16788 fn as_f32(&self) -> f32;
16789
16790 fn next_row(&self) -> Self;
16791
16792 fn previous_row(&self) -> Self;
16793
16794 fn minus(&self, other: Self) -> u32;
16795}
16796
16797impl RowExt for DisplayRow {
16798 fn as_f32(&self) -> f32 {
16799 self.0 as f32
16800 }
16801
16802 fn next_row(&self) -> Self {
16803 Self(self.0 + 1)
16804 }
16805
16806 fn previous_row(&self) -> Self {
16807 Self(self.0.saturating_sub(1))
16808 }
16809
16810 fn minus(&self, other: Self) -> u32 {
16811 self.0 - other.0
16812 }
16813}
16814
16815impl RowExt for MultiBufferRow {
16816 fn as_f32(&self) -> f32 {
16817 self.0 as f32
16818 }
16819
16820 fn next_row(&self) -> Self {
16821 Self(self.0 + 1)
16822 }
16823
16824 fn previous_row(&self) -> Self {
16825 Self(self.0.saturating_sub(1))
16826 }
16827
16828 fn minus(&self, other: Self) -> u32 {
16829 self.0 - other.0
16830 }
16831}
16832
16833trait RowRangeExt {
16834 type Row;
16835
16836 fn len(&self) -> usize;
16837
16838 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16839}
16840
16841impl RowRangeExt for Range<MultiBufferRow> {
16842 type Row = MultiBufferRow;
16843
16844 fn len(&self) -> usize {
16845 (self.end.0 - self.start.0) as usize
16846 }
16847
16848 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16849 (self.start.0..self.end.0).map(MultiBufferRow)
16850 }
16851}
16852
16853impl RowRangeExt for Range<DisplayRow> {
16854 type Row = DisplayRow;
16855
16856 fn len(&self) -> usize {
16857 (self.end.0 - self.start.0) as usize
16858 }
16859
16860 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16861 (self.start.0..self.end.0).map(DisplayRow)
16862 }
16863}
16864
16865/// If select range has more than one line, we
16866/// just point the cursor to range.start.
16867fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16868 if range.start.row == range.end.row {
16869 range
16870 } else {
16871 range.start..range.start
16872 }
16873}
16874pub struct KillRing(ClipboardItem);
16875impl Global for KillRing {}
16876
16877const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16878
16879fn all_edits_insertions_or_deletions(
16880 edits: &Vec<(Range<Anchor>, String)>,
16881 snapshot: &MultiBufferSnapshot,
16882) -> bool {
16883 let mut all_insertions = true;
16884 let mut all_deletions = true;
16885
16886 for (range, new_text) in edits.iter() {
16887 let range_is_empty = range.to_offset(&snapshot).is_empty();
16888 let text_is_empty = new_text.is_empty();
16889
16890 if range_is_empty != text_is_empty {
16891 if range_is_empty {
16892 all_deletions = false;
16893 } else {
16894 all_insertions = false;
16895 }
16896 } else {
16897 return false;
16898 }
16899
16900 if !all_insertions && !all_deletions {
16901 return false;
16902 }
16903 }
16904 all_insertions || all_deletions
16905}