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 blame_entry_tooltip;
17mod blink_manager;
18mod clangd_ext;
19mod code_context_menus;
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 client::{Collaborator, ParticipantIndex};
56use clock::ReplicaId;
57use collections::{BTreeMap, HashMap, HashSet, VecDeque};
58use convert_case::{Case, Casing};
59use display_map::*;
60pub use display_map::{DisplayPoint, FoldPlaceholder};
61pub use editor_settings::{
62 CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,
63};
64pub use editor_settings_controls::*;
65use element::{AcceptEditPredictionBinding, LineWithInvisibles, PositionMap};
66pub use element::{
67 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
68};
69use futures::{future, FutureExt};
70use fuzzy::StringMatchCandidate;
71
72use code_context_menus::{
73 AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
74 CompletionsMenu, ContextMenuOrigin,
75};
76use git::blame::GitBlame;
77use gpui::{
78 div, impl_actions, point, prelude::*, pulsating_between, px, relative, size, Action, Animation,
79 AnimationExt, AnyElement, App, AsyncWindowContext, AvailableSpace, Background, Bounds,
80 ClipboardEntry, ClipboardItem, Context, DispatchPhase, ElementId, Entity, EntityInputHandler,
81 EventEmitter, FocusHandle, FocusOutEvent, Focusable, FontId, FontWeight, Global,
82 HighlightStyle, Hsla, InteractiveText, KeyContext, Modifiers, MouseButton, MouseDownEvent,
83 PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled, StyledText, Subscription,
84 Task, TextStyle, TextStyleRefinement, UTF16Selection, UnderlineStyle, UniformListScrollHandle,
85 WeakEntity, WeakFocusHandle, Window,
86};
87use highlight_matching_bracket::refresh_matching_bracket_highlights;
88use hover_popover::{hide_hover, HoverState};
89use indent_guides::ActiveIndentGuidesState;
90use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
91pub use inline_completion::Direction;
92use inline_completion::{EditPredictionProvider, InlineCompletionProviderHandle};
93pub use items::MAX_TAB_TITLE_LEN;
94use itertools::Itertools;
95use language::{
96 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
97 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
98 CompletionDocumentation, CursorShape, Diagnostic, EditPredictionsMode, EditPreview,
99 HighlightedText, IndentKind, IndentSize, Language, OffsetRangeExt, Point, Selection,
100 SelectionGoal, TextObject, TransactionId, TreeSitterOptions,
101};
102use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
103use linked_editing_ranges::refresh_linked_ranges;
104use mouse_context_menu::MouseContextMenu;
105pub use proposed_changes_editor::{
106 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
107};
108use similar::{ChangeTag, TextDiff};
109use std::iter::Peekable;
110use task::{ResolvedTask, TaskTemplate, TaskVariables};
111
112use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
113pub use lsp::CompletionContext;
114use lsp::{
115 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
116 LanguageServerId, LanguageServerName,
117};
118
119use language::BufferSnapshot;
120use movement::TextLayoutDetails;
121pub use multi_buffer::{
122 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
123 ToOffset, ToPoint,
124};
125use multi_buffer::{
126 ExcerptInfo, ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
127 ToOffsetUtf16,
128};
129use project::{
130 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
131 project_settings::{GitGutterSetting, ProjectSettings},
132 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
133 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
134};
135use rand::prelude::*;
136use rpc::{proto::*, ErrorExt};
137use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
138use selections_collection::{
139 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
140};
141use serde::{Deserialize, Serialize};
142use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
143use smallvec::SmallVec;
144use snippet::Snippet;
145use std::{
146 any::TypeId,
147 borrow::Cow,
148 cell::RefCell,
149 cmp::{self, Ordering, Reverse},
150 mem,
151 num::NonZeroU32,
152 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
153 path::{Path, PathBuf},
154 rc::Rc,
155 sync::Arc,
156 time::{Duration, Instant},
157};
158pub use sum_tree::Bias;
159use sum_tree::TreeMap;
160use text::{BufferId, OffsetUtf16, Rope};
161use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
162use ui::{
163 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
164 Tooltip,
165};
166use util::{defer, maybe, post_inc, RangeExt, ResultExt, TakeUntilExt, TryFutureExt};
167use workspace::item::{ItemHandle, PreviewTabsSettings};
168use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
169use workspace::{
170 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
171};
172use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
173
174use crate::hover_links::{find_url, find_url_from_range};
175use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
176
177pub const FILE_HEADER_HEIGHT: u32 = 2;
178pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
179pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
180pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
181const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
182const MAX_LINE_LEN: usize = 1024;
183const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
184const MAX_SELECTION_HISTORY_LEN: usize = 1024;
185pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
186#[doc(hidden)]
187pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
188
189pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
190pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
191
192pub(crate) const EDIT_PREDICTION_KEY_CONTEXT: &str = "edit_prediction";
193pub(crate) const EDIT_PREDICTION_REQUIRES_MODIFIER_KEY_CONTEXT: &str =
194 "edit_prediction_requires_modifier";
195
196pub fn render_parsed_markdown(
197 element_id: impl Into<ElementId>,
198 parsed: &language::ParsedMarkdown,
199 editor_style: &EditorStyle,
200 workspace: Option<WeakEntity<Workspace>>,
201 cx: &mut App,
202) -> InteractiveText {
203 let code_span_background_color = cx
204 .theme()
205 .colors()
206 .editor_document_highlight_read_background;
207
208 let highlights = gpui::combine_highlights(
209 parsed.highlights.iter().filter_map(|(range, highlight)| {
210 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
211 Some((range.clone(), highlight))
212 }),
213 parsed
214 .regions
215 .iter()
216 .zip(&parsed.region_ranges)
217 .filter_map(|(region, range)| {
218 if region.code {
219 Some((
220 range.clone(),
221 HighlightStyle {
222 background_color: Some(code_span_background_color),
223 ..Default::default()
224 },
225 ))
226 } else {
227 None
228 }
229 }),
230 );
231
232 let mut links = Vec::new();
233 let mut link_ranges = Vec::new();
234 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
235 if let Some(link) = region.link.clone() {
236 links.push(link);
237 link_ranges.push(range.clone());
238 }
239 }
240
241 InteractiveText::new(
242 element_id,
243 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
244 )
245 .on_click(
246 link_ranges,
247 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
248 markdown::Link::Web { url } => cx.open_url(url),
249 markdown::Link::Path { path } => {
250 if let Some(workspace) = &workspace {
251 _ = workspace.update(cx, |workspace, cx| {
252 workspace
253 .open_abs_path(path.clone(), false, window, cx)
254 .detach();
255 });
256 }
257 }
258 },
259 )
260}
261
262#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
263pub enum InlayId {
264 InlineCompletion(usize),
265 Hint(usize),
266}
267
268impl InlayId {
269 fn id(&self) -> usize {
270 match self {
271 Self::InlineCompletion(id) => *id,
272 Self::Hint(id) => *id,
273 }
274 }
275}
276
277enum DocumentHighlightRead {}
278enum DocumentHighlightWrite {}
279enum InputComposition {}
280
281#[derive(Debug, Copy, Clone, PartialEq, Eq)]
282pub enum Navigated {
283 Yes,
284 No,
285}
286
287impl Navigated {
288 pub fn from_bool(yes: bool) -> Navigated {
289 if yes {
290 Navigated::Yes
291 } else {
292 Navigated::No
293 }
294 }
295}
296
297pub fn init_settings(cx: &mut App) {
298 EditorSettings::register(cx);
299}
300
301pub fn init(cx: &mut App) {
302 init_settings(cx);
303
304 workspace::register_project_item::<Editor>(cx);
305 workspace::FollowableViewRegistry::register::<Editor>(cx);
306 workspace::register_serializable_item::<Editor>(cx);
307
308 cx.observe_new(
309 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
310 workspace.register_action(Editor::new_file);
311 workspace.register_action(Editor::new_file_vertical);
312 workspace.register_action(Editor::new_file_horizontal);
313 workspace.register_action(Editor::cancel_language_server_work);
314 },
315 )
316 .detach();
317
318 cx.on_action(move |_: &workspace::NewFile, cx| {
319 let app_state = workspace::AppState::global(cx);
320 if let Some(app_state) = app_state.upgrade() {
321 workspace::open_new(
322 Default::default(),
323 app_state,
324 cx,
325 |workspace, window, cx| {
326 Editor::new_file(workspace, &Default::default(), window, cx)
327 },
328 )
329 .detach();
330 }
331 });
332 cx.on_action(move |_: &workspace::NewWindow, cx| {
333 let app_state = workspace::AppState::global(cx);
334 if let Some(app_state) = app_state.upgrade() {
335 workspace::open_new(
336 Default::default(),
337 app_state,
338 cx,
339 |workspace, window, cx| {
340 cx.activate(true);
341 Editor::new_file(workspace, &Default::default(), window, cx)
342 },
343 )
344 .detach();
345 }
346 });
347}
348
349pub struct SearchWithinRange;
350
351trait InvalidationRegion {
352 fn ranges(&self) -> &[Range<Anchor>];
353}
354
355#[derive(Clone, Debug, PartialEq)]
356pub enum SelectPhase {
357 Begin {
358 position: DisplayPoint,
359 add: bool,
360 click_count: usize,
361 },
362 BeginColumnar {
363 position: DisplayPoint,
364 reset: bool,
365 goal_column: u32,
366 },
367 Extend {
368 position: DisplayPoint,
369 click_count: usize,
370 },
371 Update {
372 position: DisplayPoint,
373 goal_column: u32,
374 scroll_delta: gpui::Point<f32>,
375 },
376 End,
377}
378
379#[derive(Clone, Debug)]
380pub enum SelectMode {
381 Character,
382 Word(Range<Anchor>),
383 Line(Range<Anchor>),
384 All,
385}
386
387#[derive(Copy, Clone, PartialEq, Eq, Debug)]
388pub enum EditorMode {
389 SingleLine { auto_width: bool },
390 AutoHeight { max_lines: usize },
391 Full,
392}
393
394#[derive(Copy, Clone, Debug)]
395pub enum SoftWrap {
396 /// Prefer not to wrap at all.
397 ///
398 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
399 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
400 GitDiff,
401 /// Prefer a single line generally, unless an overly long line is encountered.
402 None,
403 /// Soft wrap lines that exceed the editor width.
404 EditorWidth,
405 /// Soft wrap lines at the preferred line length.
406 Column(u32),
407 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
408 Bounded(u32),
409}
410
411#[derive(Clone)]
412pub struct EditorStyle {
413 pub background: Hsla,
414 pub local_player: PlayerColor,
415 pub text: TextStyle,
416 pub scrollbar_width: Pixels,
417 pub syntax: Arc<SyntaxTheme>,
418 pub status: StatusColors,
419 pub inlay_hints_style: HighlightStyle,
420 pub inline_completion_styles: InlineCompletionStyles,
421 pub unnecessary_code_fade: f32,
422}
423
424impl Default for EditorStyle {
425 fn default() -> Self {
426 Self {
427 background: Hsla::default(),
428 local_player: PlayerColor::default(),
429 text: TextStyle::default(),
430 scrollbar_width: Pixels::default(),
431 syntax: Default::default(),
432 // HACK: Status colors don't have a real default.
433 // We should look into removing the status colors from the editor
434 // style and retrieve them directly from the theme.
435 status: StatusColors::dark(),
436 inlay_hints_style: HighlightStyle::default(),
437 inline_completion_styles: InlineCompletionStyles {
438 insertion: HighlightStyle::default(),
439 whitespace: HighlightStyle::default(),
440 },
441 unnecessary_code_fade: Default::default(),
442 }
443 }
444}
445
446pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
447 let show_background = language_settings::language_settings(None, None, cx)
448 .inlay_hints
449 .show_background;
450
451 HighlightStyle {
452 color: Some(cx.theme().status().hint),
453 background_color: show_background.then(|| cx.theme().status().hint_background),
454 ..HighlightStyle::default()
455 }
456}
457
458pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
459 InlineCompletionStyles {
460 insertion: HighlightStyle {
461 color: Some(cx.theme().status().predictive),
462 ..HighlightStyle::default()
463 },
464 whitespace: HighlightStyle {
465 background_color: Some(cx.theme().status().created_background),
466 ..HighlightStyle::default()
467 },
468 }
469}
470
471type CompletionId = usize;
472
473pub(crate) enum EditDisplayMode {
474 TabAccept,
475 DiffPopover,
476 Inline,
477}
478
479enum InlineCompletion {
480 Edit {
481 edits: Vec<(Range<Anchor>, String)>,
482 edit_preview: Option<EditPreview>,
483 display_mode: EditDisplayMode,
484 snapshot: BufferSnapshot,
485 },
486 Move {
487 target: Anchor,
488 snapshot: BufferSnapshot,
489 },
490}
491
492struct InlineCompletionState {
493 inlay_ids: Vec<InlayId>,
494 completion: InlineCompletion,
495 completion_id: Option<SharedString>,
496 invalidation_range: Range<Anchor>,
497}
498
499enum EditPredictionSettings {
500 Disabled,
501 Enabled {
502 show_in_menu: bool,
503 preview_requires_modifier: bool,
504 },
505}
506
507impl EditPredictionSettings {
508 pub fn is_enabled(&self) -> bool {
509 match self {
510 EditPredictionSettings::Disabled => false,
511 EditPredictionSettings::Enabled { .. } => true,
512 }
513 }
514}
515
516enum InlineCompletionHighlight {}
517
518pub enum MenuInlineCompletionsPolicy {
519 Never,
520 ByProvider,
521}
522
523pub enum EditPredictionPreview {
524 /// Modifier is not pressed
525 Inactive,
526 /// Modifier pressed
527 Active {
528 previous_scroll_position: Option<ScrollAnchor>,
529 },
530}
531
532#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
533struct EditorActionId(usize);
534
535impl EditorActionId {
536 pub fn post_inc(&mut self) -> Self {
537 let answer = self.0;
538
539 *self = Self(answer + 1);
540
541 Self(answer)
542 }
543}
544
545// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
546// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
547
548type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
549type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
550
551#[derive(Default)]
552struct ScrollbarMarkerState {
553 scrollbar_size: Size<Pixels>,
554 dirty: bool,
555 markers: Arc<[PaintQuad]>,
556 pending_refresh: Option<Task<Result<()>>>,
557}
558
559impl ScrollbarMarkerState {
560 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
561 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
562 }
563}
564
565#[derive(Clone, Debug)]
566struct RunnableTasks {
567 templates: Vec<(TaskSourceKind, TaskTemplate)>,
568 offset: MultiBufferOffset,
569 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
570 column: u32,
571 // Values of all named captures, including those starting with '_'
572 extra_variables: HashMap<String, String>,
573 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
574 context_range: Range<BufferOffset>,
575}
576
577impl RunnableTasks {
578 fn resolve<'a>(
579 &'a self,
580 cx: &'a task::TaskContext,
581 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
582 self.templates.iter().filter_map(|(kind, template)| {
583 template
584 .resolve_task(&kind.to_id_base(), cx)
585 .map(|task| (kind.clone(), task))
586 })
587 }
588}
589
590#[derive(Clone)]
591struct ResolvedTasks {
592 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
593 position: Anchor,
594}
595#[derive(Copy, Clone, Debug)]
596struct MultiBufferOffset(usize);
597#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
598struct BufferOffset(usize);
599
600// Addons allow storing per-editor state in other crates (e.g. Vim)
601pub trait Addon: 'static {
602 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
603
604 fn render_buffer_header_controls(
605 &self,
606 _: &ExcerptInfo,
607 _: &Window,
608 _: &App,
609 ) -> Option<AnyElement> {
610 None
611 }
612
613 fn to_any(&self) -> &dyn std::any::Any;
614}
615
616#[derive(Debug, Copy, Clone, PartialEq, Eq)]
617pub enum IsVimMode {
618 Yes,
619 No,
620}
621
622/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
623///
624/// See the [module level documentation](self) for more information.
625pub struct Editor {
626 focus_handle: FocusHandle,
627 last_focused_descendant: Option<WeakFocusHandle>,
628 /// The text buffer being edited
629 buffer: Entity<MultiBuffer>,
630 /// Map of how text in the buffer should be displayed.
631 /// Handles soft wraps, folds, fake inlay text insertions, etc.
632 pub display_map: Entity<DisplayMap>,
633 pub selections: SelectionsCollection,
634 pub scroll_manager: ScrollManager,
635 /// When inline assist editors are linked, they all render cursors because
636 /// typing enters text into each of them, even the ones that aren't focused.
637 pub(crate) show_cursor_when_unfocused: bool,
638 columnar_selection_tail: Option<Anchor>,
639 add_selections_state: Option<AddSelectionsState>,
640 select_next_state: Option<SelectNextState>,
641 select_prev_state: Option<SelectNextState>,
642 selection_history: SelectionHistory,
643 autoclose_regions: Vec<AutocloseRegion>,
644 snippet_stack: InvalidationStack<SnippetState>,
645 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
646 ime_transaction: Option<TransactionId>,
647 active_diagnostics: Option<ActiveDiagnosticGroup>,
648 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
649
650 // TODO: make this a access method
651 pub project: Option<Entity<Project>>,
652 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
653 completion_provider: Option<Box<dyn CompletionProvider>>,
654 collaboration_hub: Option<Box<dyn CollaborationHub>>,
655 blink_manager: Entity<BlinkManager>,
656 show_cursor_names: bool,
657 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
658 pub show_local_selections: bool,
659 mode: EditorMode,
660 show_breadcrumbs: bool,
661 show_gutter: bool,
662 show_scrollbars: bool,
663 show_line_numbers: Option<bool>,
664 use_relative_line_numbers: Option<bool>,
665 show_git_diff_gutter: Option<bool>,
666 show_code_actions: Option<bool>,
667 show_runnables: Option<bool>,
668 show_wrap_guides: Option<bool>,
669 show_indent_guides: Option<bool>,
670 placeholder_text: Option<Arc<str>>,
671 highlight_order: usize,
672 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
673 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
674 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
675 scrollbar_marker_state: ScrollbarMarkerState,
676 active_indent_guides_state: ActiveIndentGuidesState,
677 nav_history: Option<ItemNavHistory>,
678 context_menu: RefCell<Option<CodeContextMenu>>,
679 mouse_context_menu: Option<MouseContextMenu>,
680 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
681 signature_help_state: SignatureHelpState,
682 auto_signature_help: Option<bool>,
683 find_all_references_task_sources: Vec<Anchor>,
684 next_completion_id: CompletionId,
685 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
686 code_actions_task: Option<Task<Result<()>>>,
687 document_highlights_task: Option<Task<()>>,
688 linked_editing_range_task: Option<Task<Option<()>>>,
689 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
690 pending_rename: Option<RenameState>,
691 searchable: bool,
692 cursor_shape: CursorShape,
693 current_line_highlight: Option<CurrentLineHighlight>,
694 collapse_matches: bool,
695 autoindent_mode: Option<AutoindentMode>,
696 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
697 input_enabled: bool,
698 use_modal_editing: bool,
699 read_only: bool,
700 leader_peer_id: Option<PeerId>,
701 remote_id: Option<ViewId>,
702 hover_state: HoverState,
703 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
704 gutter_hovered: bool,
705 hovered_link_state: Option<HoveredLinkState>,
706 edit_prediction_provider: Option<RegisteredInlineCompletionProvider>,
707 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
708 active_inline_completion: Option<InlineCompletionState>,
709 /// Used to prevent flickering as the user types while the menu is open
710 stale_inline_completion_in_menu: Option<InlineCompletionState>,
711 edit_prediction_settings: EditPredictionSettings,
712 inline_completions_hidden_for_vim_mode: bool,
713 show_inline_completions_override: Option<bool>,
714 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
715 edit_prediction_preview: EditPredictionPreview,
716 edit_prediction_cursor_on_leading_whitespace: bool,
717 edit_prediction_requires_modifier_in_leading_space: bool,
718 inlay_hint_cache: InlayHintCache,
719 next_inlay_id: usize,
720 _subscriptions: Vec<Subscription>,
721 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
722 gutter_dimensions: GutterDimensions,
723 style: Option<EditorStyle>,
724 text_style_refinement: Option<TextStyleRefinement>,
725 next_editor_action_id: EditorActionId,
726 editor_actions:
727 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
728 use_autoclose: bool,
729 use_auto_surround: bool,
730 auto_replace_emoji_shortcode: bool,
731 show_git_blame_gutter: bool,
732 show_git_blame_inline: bool,
733 show_git_blame_inline_delay_task: Option<Task<()>>,
734 distinguish_unstaged_diff_hunks: bool,
735 git_blame_inline_enabled: bool,
736 serialize_dirty_buffers: bool,
737 show_selection_menu: Option<bool>,
738 blame: Option<Entity<GitBlame>>,
739 blame_subscription: Option<Subscription>,
740 custom_context_menu: Option<
741 Box<
742 dyn 'static
743 + Fn(
744 &mut Self,
745 DisplayPoint,
746 &mut Window,
747 &mut Context<Self>,
748 ) -> Option<Entity<ui::ContextMenu>>,
749 >,
750 >,
751 last_bounds: Option<Bounds<Pixels>>,
752 last_position_map: Option<Rc<PositionMap>>,
753 expect_bounds_change: Option<Bounds<Pixels>>,
754 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
755 tasks_update_task: Option<Task<()>>,
756 in_project_search: bool,
757 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
758 breadcrumb_header: Option<String>,
759 focused_block: Option<FocusedBlock>,
760 next_scroll_position: NextScrollCursorCenterTopBottom,
761 addons: HashMap<TypeId, Box<dyn Addon>>,
762 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
763 selection_mark_mode: bool,
764 toggle_fold_multiple_buffers: Task<()>,
765 _scroll_cursor_center_top_bottom_task: Task<()>,
766}
767
768#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
769enum NextScrollCursorCenterTopBottom {
770 #[default]
771 Center,
772 Top,
773 Bottom,
774}
775
776impl NextScrollCursorCenterTopBottom {
777 fn next(&self) -> Self {
778 match self {
779 Self::Center => Self::Top,
780 Self::Top => Self::Bottom,
781 Self::Bottom => Self::Center,
782 }
783 }
784}
785
786#[derive(Clone)]
787pub struct EditorSnapshot {
788 pub mode: EditorMode,
789 show_gutter: bool,
790 show_line_numbers: Option<bool>,
791 show_git_diff_gutter: Option<bool>,
792 show_code_actions: Option<bool>,
793 show_runnables: Option<bool>,
794 git_blame_gutter_max_author_length: Option<usize>,
795 pub display_snapshot: DisplaySnapshot,
796 pub placeholder_text: Option<Arc<str>>,
797 is_focused: bool,
798 scroll_anchor: ScrollAnchor,
799 ongoing_scroll: OngoingScroll,
800 current_line_highlight: CurrentLineHighlight,
801 gutter_hovered: bool,
802}
803
804const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
805
806#[derive(Default, Debug, Clone, Copy)]
807pub struct GutterDimensions {
808 pub left_padding: Pixels,
809 pub right_padding: Pixels,
810 pub width: Pixels,
811 pub margin: Pixels,
812 pub git_blame_entries_width: Option<Pixels>,
813}
814
815impl GutterDimensions {
816 /// The full width of the space taken up by the gutter.
817 pub fn full_width(&self) -> Pixels {
818 self.margin + self.width
819 }
820
821 /// The width of the space reserved for the fold indicators,
822 /// use alongside 'justify_end' and `gutter_width` to
823 /// right align content with the line numbers
824 pub fn fold_area_width(&self) -> Pixels {
825 self.margin + self.right_padding
826 }
827}
828
829#[derive(Debug)]
830pub struct RemoteSelection {
831 pub replica_id: ReplicaId,
832 pub selection: Selection<Anchor>,
833 pub cursor_shape: CursorShape,
834 pub peer_id: PeerId,
835 pub line_mode: bool,
836 pub participant_index: Option<ParticipantIndex>,
837 pub user_name: Option<SharedString>,
838}
839
840#[derive(Clone, Debug)]
841struct SelectionHistoryEntry {
842 selections: Arc<[Selection<Anchor>]>,
843 select_next_state: Option<SelectNextState>,
844 select_prev_state: Option<SelectNextState>,
845 add_selections_state: Option<AddSelectionsState>,
846}
847
848enum SelectionHistoryMode {
849 Normal,
850 Undoing,
851 Redoing,
852}
853
854#[derive(Clone, PartialEq, Eq, Hash)]
855struct HoveredCursor {
856 replica_id: u16,
857 selection_id: usize,
858}
859
860impl Default for SelectionHistoryMode {
861 fn default() -> Self {
862 Self::Normal
863 }
864}
865
866#[derive(Default)]
867struct SelectionHistory {
868 #[allow(clippy::type_complexity)]
869 selections_by_transaction:
870 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
871 mode: SelectionHistoryMode,
872 undo_stack: VecDeque<SelectionHistoryEntry>,
873 redo_stack: VecDeque<SelectionHistoryEntry>,
874}
875
876impl SelectionHistory {
877 fn insert_transaction(
878 &mut self,
879 transaction_id: TransactionId,
880 selections: Arc<[Selection<Anchor>]>,
881 ) {
882 self.selections_by_transaction
883 .insert(transaction_id, (selections, None));
884 }
885
886 #[allow(clippy::type_complexity)]
887 fn transaction(
888 &self,
889 transaction_id: TransactionId,
890 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
891 self.selections_by_transaction.get(&transaction_id)
892 }
893
894 #[allow(clippy::type_complexity)]
895 fn transaction_mut(
896 &mut self,
897 transaction_id: TransactionId,
898 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
899 self.selections_by_transaction.get_mut(&transaction_id)
900 }
901
902 fn push(&mut self, entry: SelectionHistoryEntry) {
903 if !entry.selections.is_empty() {
904 match self.mode {
905 SelectionHistoryMode::Normal => {
906 self.push_undo(entry);
907 self.redo_stack.clear();
908 }
909 SelectionHistoryMode::Undoing => self.push_redo(entry),
910 SelectionHistoryMode::Redoing => self.push_undo(entry),
911 }
912 }
913 }
914
915 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
916 if self
917 .undo_stack
918 .back()
919 .map_or(true, |e| e.selections != entry.selections)
920 {
921 self.undo_stack.push_back(entry);
922 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
923 self.undo_stack.pop_front();
924 }
925 }
926 }
927
928 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
929 if self
930 .redo_stack
931 .back()
932 .map_or(true, |e| e.selections != entry.selections)
933 {
934 self.redo_stack.push_back(entry);
935 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
936 self.redo_stack.pop_front();
937 }
938 }
939 }
940}
941
942struct RowHighlight {
943 index: usize,
944 range: Range<Anchor>,
945 color: Hsla,
946 should_autoscroll: bool,
947}
948
949#[derive(Clone, Debug)]
950struct AddSelectionsState {
951 above: bool,
952 stack: Vec<usize>,
953}
954
955#[derive(Clone)]
956struct SelectNextState {
957 query: AhoCorasick,
958 wordwise: bool,
959 done: bool,
960}
961
962impl std::fmt::Debug for SelectNextState {
963 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
964 f.debug_struct(std::any::type_name::<Self>())
965 .field("wordwise", &self.wordwise)
966 .field("done", &self.done)
967 .finish()
968 }
969}
970
971#[derive(Debug)]
972struct AutocloseRegion {
973 selection_id: usize,
974 range: Range<Anchor>,
975 pair: BracketPair,
976}
977
978#[derive(Debug)]
979struct SnippetState {
980 ranges: Vec<Vec<Range<Anchor>>>,
981 active_index: usize,
982 choices: Vec<Option<Vec<String>>>,
983}
984
985#[doc(hidden)]
986pub struct RenameState {
987 pub range: Range<Anchor>,
988 pub old_name: Arc<str>,
989 pub editor: Entity<Editor>,
990 block_id: CustomBlockId,
991}
992
993struct InvalidationStack<T>(Vec<T>);
994
995struct RegisteredInlineCompletionProvider {
996 provider: Arc<dyn InlineCompletionProviderHandle>,
997 _subscription: Subscription,
998}
999
1000#[derive(Debug)]
1001struct ActiveDiagnosticGroup {
1002 primary_range: Range<Anchor>,
1003 primary_message: String,
1004 group_id: usize,
1005 blocks: HashMap<CustomBlockId, Diagnostic>,
1006 is_valid: bool,
1007}
1008
1009#[derive(Serialize, Deserialize, Clone, Debug)]
1010pub struct ClipboardSelection {
1011 pub len: usize,
1012 pub is_entire_line: bool,
1013 pub first_line_indent: u32,
1014}
1015
1016#[derive(Debug)]
1017pub(crate) struct NavigationData {
1018 cursor_anchor: Anchor,
1019 cursor_position: Point,
1020 scroll_anchor: ScrollAnchor,
1021 scroll_top_row: u32,
1022}
1023
1024#[derive(Debug, Clone, Copy, PartialEq, Eq)]
1025pub enum GotoDefinitionKind {
1026 Symbol,
1027 Declaration,
1028 Type,
1029 Implementation,
1030}
1031
1032#[derive(Debug, Clone)]
1033enum InlayHintRefreshReason {
1034 Toggle(bool),
1035 SettingsChange(InlayHintSettings),
1036 NewLinesShown,
1037 BufferEdited(HashSet<Arc<Language>>),
1038 RefreshRequested,
1039 ExcerptsRemoved(Vec<ExcerptId>),
1040}
1041
1042impl InlayHintRefreshReason {
1043 fn description(&self) -> &'static str {
1044 match self {
1045 Self::Toggle(_) => "toggle",
1046 Self::SettingsChange(_) => "settings change",
1047 Self::NewLinesShown => "new lines shown",
1048 Self::BufferEdited(_) => "buffer edited",
1049 Self::RefreshRequested => "refresh requested",
1050 Self::ExcerptsRemoved(_) => "excerpts removed",
1051 }
1052 }
1053}
1054
1055pub enum FormatTarget {
1056 Buffers,
1057 Ranges(Vec<Range<MultiBufferPoint>>),
1058}
1059
1060pub(crate) struct FocusedBlock {
1061 id: BlockId,
1062 focus_handle: WeakFocusHandle,
1063}
1064
1065#[derive(Clone)]
1066enum JumpData {
1067 MultiBufferRow {
1068 row: MultiBufferRow,
1069 line_offset_from_top: u32,
1070 },
1071 MultiBufferPoint {
1072 excerpt_id: ExcerptId,
1073 position: Point,
1074 anchor: text::Anchor,
1075 line_offset_from_top: u32,
1076 },
1077}
1078
1079pub enum MultibufferSelectionMode {
1080 First,
1081 All,
1082}
1083
1084impl Editor {
1085 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1086 let buffer = cx.new(|cx| Buffer::local("", cx));
1087 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1088 Self::new(
1089 EditorMode::SingleLine { auto_width: false },
1090 buffer,
1091 None,
1092 false,
1093 window,
1094 cx,
1095 )
1096 }
1097
1098 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1099 let buffer = cx.new(|cx| Buffer::local("", cx));
1100 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1101 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1102 }
1103
1104 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1105 let buffer = cx.new(|cx| Buffer::local("", cx));
1106 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1107 Self::new(
1108 EditorMode::SingleLine { auto_width: true },
1109 buffer,
1110 None,
1111 false,
1112 window,
1113 cx,
1114 )
1115 }
1116
1117 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1118 let buffer = cx.new(|cx| Buffer::local("", cx));
1119 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1120 Self::new(
1121 EditorMode::AutoHeight { max_lines },
1122 buffer,
1123 None,
1124 false,
1125 window,
1126 cx,
1127 )
1128 }
1129
1130 pub fn for_buffer(
1131 buffer: Entity<Buffer>,
1132 project: Option<Entity<Project>>,
1133 window: &mut Window,
1134 cx: &mut Context<Self>,
1135 ) -> Self {
1136 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1137 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1138 }
1139
1140 pub fn for_multibuffer(
1141 buffer: Entity<MultiBuffer>,
1142 project: Option<Entity<Project>>,
1143 show_excerpt_controls: bool,
1144 window: &mut Window,
1145 cx: &mut Context<Self>,
1146 ) -> Self {
1147 Self::new(
1148 EditorMode::Full,
1149 buffer,
1150 project,
1151 show_excerpt_controls,
1152 window,
1153 cx,
1154 )
1155 }
1156
1157 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1158 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1159 let mut clone = Self::new(
1160 self.mode,
1161 self.buffer.clone(),
1162 self.project.clone(),
1163 show_excerpt_controls,
1164 window,
1165 cx,
1166 );
1167 self.display_map.update(cx, |display_map, cx| {
1168 let snapshot = display_map.snapshot(cx);
1169 clone.display_map.update(cx, |display_map, cx| {
1170 display_map.set_state(&snapshot, cx);
1171 });
1172 });
1173 clone.selections.clone_state(&self.selections);
1174 clone.scroll_manager.clone_state(&self.scroll_manager);
1175 clone.searchable = self.searchable;
1176 clone
1177 }
1178
1179 pub fn new(
1180 mode: EditorMode,
1181 buffer: Entity<MultiBuffer>,
1182 project: Option<Entity<Project>>,
1183 show_excerpt_controls: bool,
1184 window: &mut Window,
1185 cx: &mut Context<Self>,
1186 ) -> Self {
1187 let style = window.text_style();
1188 let font_size = style.font_size.to_pixels(window.rem_size());
1189 let editor = cx.entity().downgrade();
1190 let fold_placeholder = FoldPlaceholder {
1191 constrain_width: true,
1192 render: Arc::new(move |fold_id, fold_range, _, cx| {
1193 let editor = editor.clone();
1194 div()
1195 .id(fold_id)
1196 .bg(cx.theme().colors().ghost_element_background)
1197 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1198 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1199 .rounded_sm()
1200 .size_full()
1201 .cursor_pointer()
1202 .child("⋯")
1203 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1204 .on_click(move |_, _window, cx| {
1205 editor
1206 .update(cx, |editor, cx| {
1207 editor.unfold_ranges(
1208 &[fold_range.start..fold_range.end],
1209 true,
1210 false,
1211 cx,
1212 );
1213 cx.stop_propagation();
1214 })
1215 .ok();
1216 })
1217 .into_any()
1218 }),
1219 merge_adjacent: true,
1220 ..Default::default()
1221 };
1222 let display_map = cx.new(|cx| {
1223 DisplayMap::new(
1224 buffer.clone(),
1225 style.font(),
1226 font_size,
1227 None,
1228 show_excerpt_controls,
1229 FILE_HEADER_HEIGHT,
1230 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1231 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1232 fold_placeholder,
1233 cx,
1234 )
1235 });
1236
1237 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1238
1239 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1240
1241 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1242 .then(|| language_settings::SoftWrap::None);
1243
1244 let mut project_subscriptions = Vec::new();
1245 if mode == EditorMode::Full {
1246 if let Some(project) = project.as_ref() {
1247 if buffer.read(cx).is_singleton() {
1248 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1249 cx.emit(EditorEvent::TitleChanged);
1250 }));
1251 }
1252 project_subscriptions.push(cx.subscribe_in(
1253 project,
1254 window,
1255 |editor, _, event, window, cx| {
1256 if let project::Event::RefreshInlayHints = event {
1257 editor
1258 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1259 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1260 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1261 let focus_handle = editor.focus_handle(cx);
1262 if focus_handle.is_focused(window) {
1263 let snapshot = buffer.read(cx).snapshot();
1264 for (range, snippet) in snippet_edits {
1265 let editor_range =
1266 language::range_from_lsp(*range).to_offset(&snapshot);
1267 editor
1268 .insert_snippet(
1269 &[editor_range],
1270 snippet.clone(),
1271 window,
1272 cx,
1273 )
1274 .ok();
1275 }
1276 }
1277 }
1278 }
1279 },
1280 ));
1281 if let Some(task_inventory) = project
1282 .read(cx)
1283 .task_store()
1284 .read(cx)
1285 .task_inventory()
1286 .cloned()
1287 {
1288 project_subscriptions.push(cx.observe_in(
1289 &task_inventory,
1290 window,
1291 |editor, _, window, cx| {
1292 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1293 },
1294 ));
1295 }
1296 }
1297 }
1298
1299 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1300
1301 let inlay_hint_settings =
1302 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1303 let focus_handle = cx.focus_handle();
1304 cx.on_focus(&focus_handle, window, Self::handle_focus)
1305 .detach();
1306 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1307 .detach();
1308 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1309 .detach();
1310 cx.on_blur(&focus_handle, window, Self::handle_blur)
1311 .detach();
1312
1313 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1314 Some(false)
1315 } else {
1316 None
1317 };
1318
1319 let mut code_action_providers = Vec::new();
1320 if let Some(project) = project.clone() {
1321 get_uncommitted_diff_for_buffer(
1322 &project,
1323 buffer.read(cx).all_buffers(),
1324 buffer.clone(),
1325 cx,
1326 );
1327 code_action_providers.push(Rc::new(project) as Rc<_>);
1328 }
1329
1330 let mut this = Self {
1331 focus_handle,
1332 show_cursor_when_unfocused: false,
1333 last_focused_descendant: None,
1334 buffer: buffer.clone(),
1335 display_map: display_map.clone(),
1336 selections,
1337 scroll_manager: ScrollManager::new(cx),
1338 columnar_selection_tail: None,
1339 add_selections_state: None,
1340 select_next_state: None,
1341 select_prev_state: None,
1342 selection_history: Default::default(),
1343 autoclose_regions: Default::default(),
1344 snippet_stack: Default::default(),
1345 select_larger_syntax_node_stack: Vec::new(),
1346 ime_transaction: Default::default(),
1347 active_diagnostics: None,
1348 soft_wrap_mode_override,
1349 completion_provider: project.clone().map(|project| Box::new(project) as _),
1350 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1351 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1352 project,
1353 blink_manager: blink_manager.clone(),
1354 show_local_selections: true,
1355 show_scrollbars: true,
1356 mode,
1357 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1358 show_gutter: mode == EditorMode::Full,
1359 show_line_numbers: None,
1360 use_relative_line_numbers: None,
1361 show_git_diff_gutter: None,
1362 show_code_actions: None,
1363 show_runnables: None,
1364 show_wrap_guides: None,
1365 show_indent_guides,
1366 placeholder_text: None,
1367 highlight_order: 0,
1368 highlighted_rows: HashMap::default(),
1369 background_highlights: Default::default(),
1370 gutter_highlights: TreeMap::default(),
1371 scrollbar_marker_state: ScrollbarMarkerState::default(),
1372 active_indent_guides_state: ActiveIndentGuidesState::default(),
1373 nav_history: None,
1374 context_menu: RefCell::new(None),
1375 mouse_context_menu: None,
1376 completion_tasks: Default::default(),
1377 signature_help_state: SignatureHelpState::default(),
1378 auto_signature_help: None,
1379 find_all_references_task_sources: Vec::new(),
1380 next_completion_id: 0,
1381 next_inlay_id: 0,
1382 code_action_providers,
1383 available_code_actions: Default::default(),
1384 code_actions_task: Default::default(),
1385 document_highlights_task: Default::default(),
1386 linked_editing_range_task: Default::default(),
1387 pending_rename: Default::default(),
1388 searchable: true,
1389 cursor_shape: EditorSettings::get_global(cx)
1390 .cursor_shape
1391 .unwrap_or_default(),
1392 current_line_highlight: None,
1393 autoindent_mode: Some(AutoindentMode::EachLine),
1394 collapse_matches: false,
1395 workspace: None,
1396 input_enabled: true,
1397 use_modal_editing: mode == EditorMode::Full,
1398 read_only: false,
1399 use_autoclose: true,
1400 use_auto_surround: true,
1401 auto_replace_emoji_shortcode: false,
1402 leader_peer_id: None,
1403 remote_id: None,
1404 hover_state: Default::default(),
1405 pending_mouse_down: None,
1406 hovered_link_state: Default::default(),
1407 edit_prediction_provider: None,
1408 active_inline_completion: None,
1409 stale_inline_completion_in_menu: None,
1410 edit_prediction_preview: EditPredictionPreview::Inactive,
1411 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1412
1413 gutter_hovered: false,
1414 pixel_position_of_newest_cursor: None,
1415 last_bounds: None,
1416 last_position_map: None,
1417 expect_bounds_change: None,
1418 gutter_dimensions: GutterDimensions::default(),
1419 style: None,
1420 show_cursor_names: false,
1421 hovered_cursors: Default::default(),
1422 next_editor_action_id: EditorActionId::default(),
1423 editor_actions: Rc::default(),
1424 inline_completions_hidden_for_vim_mode: false,
1425 show_inline_completions_override: None,
1426 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1427 edit_prediction_settings: EditPredictionSettings::Disabled,
1428 edit_prediction_cursor_on_leading_whitespace: false,
1429 edit_prediction_requires_modifier_in_leading_space: true,
1430 custom_context_menu: None,
1431 show_git_blame_gutter: false,
1432 show_git_blame_inline: false,
1433 distinguish_unstaged_diff_hunks: false,
1434 show_selection_menu: None,
1435 show_git_blame_inline_delay_task: None,
1436 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1437 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1438 .session
1439 .restore_unsaved_buffers,
1440 blame: None,
1441 blame_subscription: None,
1442 tasks: Default::default(),
1443 _subscriptions: vec![
1444 cx.observe(&buffer, Self::on_buffer_changed),
1445 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1446 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1447 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1448 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1449 cx.observe_window_activation(window, |editor, window, cx| {
1450 let active = window.is_window_active();
1451 editor.blink_manager.update(cx, |blink_manager, cx| {
1452 if active {
1453 blink_manager.enable(cx);
1454 } else {
1455 blink_manager.disable(cx);
1456 }
1457 });
1458 }),
1459 ],
1460 tasks_update_task: None,
1461 linked_edit_ranges: Default::default(),
1462 in_project_search: false,
1463 previous_search_ranges: None,
1464 breadcrumb_header: None,
1465 focused_block: None,
1466 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1467 addons: HashMap::default(),
1468 registered_buffers: HashMap::default(),
1469 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1470 selection_mark_mode: false,
1471 toggle_fold_multiple_buffers: Task::ready(()),
1472 text_style_refinement: None,
1473 };
1474 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1475 this._subscriptions.extend(project_subscriptions);
1476
1477 this.end_selection(window, cx);
1478 this.scroll_manager.show_scrollbar(window, cx);
1479
1480 if mode == EditorMode::Full {
1481 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1482 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1483
1484 if this.git_blame_inline_enabled {
1485 this.git_blame_inline_enabled = true;
1486 this.start_git_blame_inline(false, window, cx);
1487 }
1488
1489 if let Some(buffer) = buffer.read(cx).as_singleton() {
1490 if let Some(project) = this.project.as_ref() {
1491 let lsp_store = project.read(cx).lsp_store();
1492 let handle = lsp_store.update(cx, |lsp_store, cx| {
1493 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1494 });
1495 this.registered_buffers
1496 .insert(buffer.read(cx).remote_id(), handle);
1497 }
1498 }
1499 }
1500
1501 this.report_editor_event("Editor Opened", None, cx);
1502 this
1503 }
1504
1505 pub fn mouse_menu_is_focused(&self, window: &Window, cx: &App) -> bool {
1506 self.mouse_context_menu
1507 .as_ref()
1508 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1509 }
1510
1511 fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
1512 self.key_context_internal(self.has_active_inline_completion(), window, cx)
1513 }
1514
1515 fn key_context_internal(
1516 &self,
1517 has_active_edit_prediction: bool,
1518 window: &Window,
1519 cx: &App,
1520 ) -> KeyContext {
1521 let mut key_context = KeyContext::new_with_defaults();
1522 key_context.add("Editor");
1523 let mode = match self.mode {
1524 EditorMode::SingleLine { .. } => "single_line",
1525 EditorMode::AutoHeight { .. } => "auto_height",
1526 EditorMode::Full => "full",
1527 };
1528
1529 if EditorSettings::jupyter_enabled(cx) {
1530 key_context.add("jupyter");
1531 }
1532
1533 key_context.set("mode", mode);
1534 if self.pending_rename.is_some() {
1535 key_context.add("renaming");
1536 }
1537
1538 let mut showing_completions = false;
1539
1540 match self.context_menu.borrow().as_ref() {
1541 Some(CodeContextMenu::Completions(_)) => {
1542 key_context.add("menu");
1543 key_context.add("showing_completions");
1544 showing_completions = true;
1545 }
1546 Some(CodeContextMenu::CodeActions(_)) => {
1547 key_context.add("menu");
1548 key_context.add("showing_code_actions")
1549 }
1550 None => {}
1551 }
1552
1553 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1554 if !self.focus_handle(cx).contains_focused(window, cx)
1555 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1556 {
1557 for addon in self.addons.values() {
1558 addon.extend_key_context(&mut key_context, cx)
1559 }
1560 }
1561
1562 if let Some(extension) = self
1563 .buffer
1564 .read(cx)
1565 .as_singleton()
1566 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1567 {
1568 key_context.set("extension", extension.to_string());
1569 }
1570
1571 if has_active_edit_prediction {
1572 key_context.add("copilot_suggestion");
1573 key_context.add(EDIT_PREDICTION_KEY_CONTEXT);
1574 if showing_completions
1575 || self.edit_prediction_requires_modifier()
1576 // Require modifier key when the cursor is on leading whitespace, to allow `tab`
1577 // bindings to insert tab characters.
1578 || (self.edit_prediction_requires_modifier_in_leading_space && self.edit_prediction_cursor_on_leading_whitespace)
1579 {
1580 key_context.add(EDIT_PREDICTION_REQUIRES_MODIFIER_KEY_CONTEXT);
1581 }
1582 }
1583
1584 if self.selection_mark_mode {
1585 key_context.add("selection_mode");
1586 }
1587
1588 key_context
1589 }
1590
1591 pub fn accept_edit_prediction_keybind(
1592 &self,
1593 window: &Window,
1594 cx: &App,
1595 ) -> AcceptEditPredictionBinding {
1596 let key_context = self.key_context_internal(true, window, cx);
1597 AcceptEditPredictionBinding(
1598 window
1599 .bindings_for_action_in_context(&AcceptEditPrediction, key_context)
1600 .into_iter()
1601 .rev()
1602 .next(),
1603 )
1604 }
1605
1606 pub fn new_file(
1607 workspace: &mut Workspace,
1608 _: &workspace::NewFile,
1609 window: &mut Window,
1610 cx: &mut Context<Workspace>,
1611 ) {
1612 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1613 "Failed to create buffer",
1614 window,
1615 cx,
1616 |e, _, _| match e.error_code() {
1617 ErrorCode::RemoteUpgradeRequired => Some(format!(
1618 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1619 e.error_tag("required").unwrap_or("the latest version")
1620 )),
1621 _ => None,
1622 },
1623 );
1624 }
1625
1626 pub fn new_in_workspace(
1627 workspace: &mut Workspace,
1628 window: &mut Window,
1629 cx: &mut Context<Workspace>,
1630 ) -> Task<Result<Entity<Editor>>> {
1631 let project = workspace.project().clone();
1632 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1633
1634 cx.spawn_in(window, |workspace, mut cx| async move {
1635 let buffer = create.await?;
1636 workspace.update_in(&mut cx, |workspace, window, cx| {
1637 let editor =
1638 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1639 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1640 editor
1641 })
1642 })
1643 }
1644
1645 fn new_file_vertical(
1646 workspace: &mut Workspace,
1647 _: &workspace::NewFileSplitVertical,
1648 window: &mut Window,
1649 cx: &mut Context<Workspace>,
1650 ) {
1651 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1652 }
1653
1654 fn new_file_horizontal(
1655 workspace: &mut Workspace,
1656 _: &workspace::NewFileSplitHorizontal,
1657 window: &mut Window,
1658 cx: &mut Context<Workspace>,
1659 ) {
1660 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1661 }
1662
1663 fn new_file_in_direction(
1664 workspace: &mut Workspace,
1665 direction: SplitDirection,
1666 window: &mut Window,
1667 cx: &mut Context<Workspace>,
1668 ) {
1669 let project = workspace.project().clone();
1670 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1671
1672 cx.spawn_in(window, |workspace, mut cx| async move {
1673 let buffer = create.await?;
1674 workspace.update_in(&mut cx, move |workspace, window, cx| {
1675 workspace.split_item(
1676 direction,
1677 Box::new(
1678 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1679 ),
1680 window,
1681 cx,
1682 )
1683 })?;
1684 anyhow::Ok(())
1685 })
1686 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1687 match e.error_code() {
1688 ErrorCode::RemoteUpgradeRequired => Some(format!(
1689 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1690 e.error_tag("required").unwrap_or("the latest version")
1691 )),
1692 _ => None,
1693 }
1694 });
1695 }
1696
1697 pub fn leader_peer_id(&self) -> Option<PeerId> {
1698 self.leader_peer_id
1699 }
1700
1701 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1702 &self.buffer
1703 }
1704
1705 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1706 self.workspace.as_ref()?.0.upgrade()
1707 }
1708
1709 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1710 self.buffer().read(cx).title(cx)
1711 }
1712
1713 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1714 let git_blame_gutter_max_author_length = self
1715 .render_git_blame_gutter(cx)
1716 .then(|| {
1717 if let Some(blame) = self.blame.as_ref() {
1718 let max_author_length =
1719 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1720 Some(max_author_length)
1721 } else {
1722 None
1723 }
1724 })
1725 .flatten();
1726
1727 EditorSnapshot {
1728 mode: self.mode,
1729 show_gutter: self.show_gutter,
1730 show_line_numbers: self.show_line_numbers,
1731 show_git_diff_gutter: self.show_git_diff_gutter,
1732 show_code_actions: self.show_code_actions,
1733 show_runnables: self.show_runnables,
1734 git_blame_gutter_max_author_length,
1735 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1736 scroll_anchor: self.scroll_manager.anchor(),
1737 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1738 placeholder_text: self.placeholder_text.clone(),
1739 is_focused: self.focus_handle.is_focused(window),
1740 current_line_highlight: self
1741 .current_line_highlight
1742 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1743 gutter_hovered: self.gutter_hovered,
1744 }
1745 }
1746
1747 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1748 self.buffer.read(cx).language_at(point, cx)
1749 }
1750
1751 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1752 self.buffer.read(cx).read(cx).file_at(point).cloned()
1753 }
1754
1755 pub fn active_excerpt(
1756 &self,
1757 cx: &App,
1758 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1759 self.buffer
1760 .read(cx)
1761 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1762 }
1763
1764 pub fn mode(&self) -> EditorMode {
1765 self.mode
1766 }
1767
1768 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1769 self.collaboration_hub.as_deref()
1770 }
1771
1772 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1773 self.collaboration_hub = Some(hub);
1774 }
1775
1776 pub fn set_in_project_search(&mut self, in_project_search: bool) {
1777 self.in_project_search = in_project_search;
1778 }
1779
1780 pub fn set_custom_context_menu(
1781 &mut self,
1782 f: impl 'static
1783 + Fn(
1784 &mut Self,
1785 DisplayPoint,
1786 &mut Window,
1787 &mut Context<Self>,
1788 ) -> Option<Entity<ui::ContextMenu>>,
1789 ) {
1790 self.custom_context_menu = Some(Box::new(f))
1791 }
1792
1793 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1794 self.completion_provider = provider;
1795 }
1796
1797 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1798 self.semantics_provider.clone()
1799 }
1800
1801 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1802 self.semantics_provider = provider;
1803 }
1804
1805 pub fn set_edit_prediction_provider<T>(
1806 &mut self,
1807 provider: Option<Entity<T>>,
1808 window: &mut Window,
1809 cx: &mut Context<Self>,
1810 ) where
1811 T: EditPredictionProvider,
1812 {
1813 self.edit_prediction_provider =
1814 provider.map(|provider| RegisteredInlineCompletionProvider {
1815 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1816 if this.focus_handle.is_focused(window) {
1817 this.update_visible_inline_completion(window, cx);
1818 }
1819 }),
1820 provider: Arc::new(provider),
1821 });
1822 self.refresh_inline_completion(false, false, window, cx);
1823 }
1824
1825 pub fn placeholder_text(&self) -> Option<&str> {
1826 self.placeholder_text.as_deref()
1827 }
1828
1829 pub fn set_placeholder_text(
1830 &mut self,
1831 placeholder_text: impl Into<Arc<str>>,
1832 cx: &mut Context<Self>,
1833 ) {
1834 let placeholder_text = Some(placeholder_text.into());
1835 if self.placeholder_text != placeholder_text {
1836 self.placeholder_text = placeholder_text;
1837 cx.notify();
1838 }
1839 }
1840
1841 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1842 self.cursor_shape = cursor_shape;
1843
1844 // Disrupt blink for immediate user feedback that the cursor shape has changed
1845 self.blink_manager.update(cx, BlinkManager::show_cursor);
1846
1847 cx.notify();
1848 }
1849
1850 pub fn set_current_line_highlight(
1851 &mut self,
1852 current_line_highlight: Option<CurrentLineHighlight>,
1853 ) {
1854 self.current_line_highlight = current_line_highlight;
1855 }
1856
1857 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1858 self.collapse_matches = collapse_matches;
1859 }
1860
1861 fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1862 let buffers = self.buffer.read(cx).all_buffers();
1863 let Some(lsp_store) = self.lsp_store(cx) else {
1864 return;
1865 };
1866 lsp_store.update(cx, |lsp_store, cx| {
1867 for buffer in buffers {
1868 self.registered_buffers
1869 .entry(buffer.read(cx).remote_id())
1870 .or_insert_with(|| {
1871 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1872 });
1873 }
1874 })
1875 }
1876
1877 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1878 if self.collapse_matches {
1879 return range.start..range.start;
1880 }
1881 range.clone()
1882 }
1883
1884 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1885 if self.display_map.read(cx).clip_at_line_ends != clip {
1886 self.display_map
1887 .update(cx, |map, _| map.clip_at_line_ends = clip);
1888 }
1889 }
1890
1891 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1892 self.input_enabled = input_enabled;
1893 }
1894
1895 pub fn set_inline_completions_hidden_for_vim_mode(
1896 &mut self,
1897 hidden: bool,
1898 window: &mut Window,
1899 cx: &mut Context<Self>,
1900 ) {
1901 if hidden != self.inline_completions_hidden_for_vim_mode {
1902 self.inline_completions_hidden_for_vim_mode = hidden;
1903 if hidden {
1904 self.update_visible_inline_completion(window, cx);
1905 } else {
1906 self.refresh_inline_completion(true, false, window, cx);
1907 }
1908 }
1909 }
1910
1911 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1912 self.menu_inline_completions_policy = value;
1913 }
1914
1915 pub fn set_autoindent(&mut self, autoindent: bool) {
1916 if autoindent {
1917 self.autoindent_mode = Some(AutoindentMode::EachLine);
1918 } else {
1919 self.autoindent_mode = None;
1920 }
1921 }
1922
1923 pub fn read_only(&self, cx: &App) -> bool {
1924 self.read_only || self.buffer.read(cx).read_only()
1925 }
1926
1927 pub fn set_read_only(&mut self, read_only: bool) {
1928 self.read_only = read_only;
1929 }
1930
1931 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1932 self.use_autoclose = autoclose;
1933 }
1934
1935 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1936 self.use_auto_surround = auto_surround;
1937 }
1938
1939 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1940 self.auto_replace_emoji_shortcode = auto_replace;
1941 }
1942
1943 pub fn toggle_inline_completions(
1944 &mut self,
1945 _: &ToggleEditPrediction,
1946 window: &mut Window,
1947 cx: &mut Context<Self>,
1948 ) {
1949 if self.show_inline_completions_override.is_some() {
1950 self.set_show_edit_predictions(None, window, cx);
1951 } else {
1952 let show_edit_predictions = !self.edit_predictions_enabled();
1953 self.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
1954 }
1955 }
1956
1957 pub fn set_show_edit_predictions(
1958 &mut self,
1959 show_edit_predictions: Option<bool>,
1960 window: &mut Window,
1961 cx: &mut Context<Self>,
1962 ) {
1963 self.show_inline_completions_override = show_edit_predictions;
1964 self.refresh_inline_completion(false, true, window, cx);
1965 }
1966
1967 fn inline_completions_disabled_in_scope(
1968 &self,
1969 buffer: &Entity<Buffer>,
1970 buffer_position: language::Anchor,
1971 cx: &App,
1972 ) -> bool {
1973 let snapshot = buffer.read(cx).snapshot();
1974 let settings = snapshot.settings_at(buffer_position, cx);
1975
1976 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1977 return false;
1978 };
1979
1980 scope.override_name().map_or(false, |scope_name| {
1981 settings
1982 .edit_predictions_disabled_in
1983 .iter()
1984 .any(|s| s == scope_name)
1985 })
1986 }
1987
1988 pub fn set_use_modal_editing(&mut self, to: bool) {
1989 self.use_modal_editing = to;
1990 }
1991
1992 pub fn use_modal_editing(&self) -> bool {
1993 self.use_modal_editing
1994 }
1995
1996 fn selections_did_change(
1997 &mut self,
1998 local: bool,
1999 old_cursor_position: &Anchor,
2000 show_completions: bool,
2001 window: &mut Window,
2002 cx: &mut Context<Self>,
2003 ) {
2004 window.invalidate_character_coordinates();
2005
2006 // Copy selections to primary selection buffer
2007 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
2008 if local {
2009 let selections = self.selections.all::<usize>(cx);
2010 let buffer_handle = self.buffer.read(cx).read(cx);
2011
2012 let mut text = String::new();
2013 for (index, selection) in selections.iter().enumerate() {
2014 let text_for_selection = buffer_handle
2015 .text_for_range(selection.start..selection.end)
2016 .collect::<String>();
2017
2018 text.push_str(&text_for_selection);
2019 if index != selections.len() - 1 {
2020 text.push('\n');
2021 }
2022 }
2023
2024 if !text.is_empty() {
2025 cx.write_to_primary(ClipboardItem::new_string(text));
2026 }
2027 }
2028
2029 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
2030 self.buffer.update(cx, |buffer, cx| {
2031 buffer.set_active_selections(
2032 &self.selections.disjoint_anchors(),
2033 self.selections.line_mode,
2034 self.cursor_shape,
2035 cx,
2036 )
2037 });
2038 }
2039 let display_map = self
2040 .display_map
2041 .update(cx, |display_map, cx| display_map.snapshot(cx));
2042 let buffer = &display_map.buffer_snapshot;
2043 self.add_selections_state = None;
2044 self.select_next_state = None;
2045 self.select_prev_state = None;
2046 self.select_larger_syntax_node_stack.clear();
2047 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2048 self.snippet_stack
2049 .invalidate(&self.selections.disjoint_anchors(), buffer);
2050 self.take_rename(false, window, cx);
2051
2052 let new_cursor_position = self.selections.newest_anchor().head();
2053
2054 self.push_to_nav_history(
2055 *old_cursor_position,
2056 Some(new_cursor_position.to_point(buffer)),
2057 cx,
2058 );
2059
2060 if local {
2061 let new_cursor_position = self.selections.newest_anchor().head();
2062 let mut context_menu = self.context_menu.borrow_mut();
2063 let completion_menu = match context_menu.as_ref() {
2064 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2065 _ => {
2066 *context_menu = None;
2067 None
2068 }
2069 };
2070 if let Some(buffer_id) = new_cursor_position.buffer_id {
2071 if !self.registered_buffers.contains_key(&buffer_id) {
2072 if let Some(lsp_store) = self.lsp_store(cx) {
2073 lsp_store.update(cx, |lsp_store, cx| {
2074 let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
2075 return;
2076 };
2077 self.registered_buffers.insert(
2078 buffer_id,
2079 lsp_store.register_buffer_with_language_servers(&buffer, cx),
2080 );
2081 })
2082 }
2083 }
2084 }
2085
2086 if let Some(completion_menu) = completion_menu {
2087 let cursor_position = new_cursor_position.to_offset(buffer);
2088 let (word_range, kind) =
2089 buffer.surrounding_word(completion_menu.initial_position, true);
2090 if kind == Some(CharKind::Word)
2091 && word_range.to_inclusive().contains(&cursor_position)
2092 {
2093 let mut completion_menu = completion_menu.clone();
2094 drop(context_menu);
2095
2096 let query = Self::completion_query(buffer, cursor_position);
2097 cx.spawn(move |this, mut cx| async move {
2098 completion_menu
2099 .filter(query.as_deref(), cx.background_executor().clone())
2100 .await;
2101
2102 this.update(&mut cx, |this, cx| {
2103 let mut context_menu = this.context_menu.borrow_mut();
2104 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2105 else {
2106 return;
2107 };
2108
2109 if menu.id > completion_menu.id {
2110 return;
2111 }
2112
2113 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2114 drop(context_menu);
2115 cx.notify();
2116 })
2117 })
2118 .detach();
2119
2120 if show_completions {
2121 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2122 }
2123 } else {
2124 drop(context_menu);
2125 self.hide_context_menu(window, cx);
2126 }
2127 } else {
2128 drop(context_menu);
2129 }
2130
2131 hide_hover(self, cx);
2132
2133 if old_cursor_position.to_display_point(&display_map).row()
2134 != new_cursor_position.to_display_point(&display_map).row()
2135 {
2136 self.available_code_actions.take();
2137 }
2138 self.refresh_code_actions(window, cx);
2139 self.refresh_document_highlights(cx);
2140 refresh_matching_bracket_highlights(self, window, cx);
2141 self.update_visible_inline_completion(window, cx);
2142 self.edit_prediction_requires_modifier_in_leading_space = true;
2143 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2144 if self.git_blame_inline_enabled {
2145 self.start_inline_blame_timer(window, cx);
2146 }
2147 }
2148
2149 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2150 cx.emit(EditorEvent::SelectionsChanged { local });
2151
2152 if self.selections.disjoint_anchors().len() == 1 {
2153 cx.emit(SearchEvent::ActiveMatchChanged)
2154 }
2155 cx.notify();
2156 }
2157
2158 pub fn change_selections<R>(
2159 &mut self,
2160 autoscroll: Option<Autoscroll>,
2161 window: &mut Window,
2162 cx: &mut Context<Self>,
2163 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2164 ) -> R {
2165 self.change_selections_inner(autoscroll, true, window, cx, change)
2166 }
2167
2168 pub fn change_selections_inner<R>(
2169 &mut self,
2170 autoscroll: Option<Autoscroll>,
2171 request_completions: bool,
2172 window: &mut Window,
2173 cx: &mut Context<Self>,
2174 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2175 ) -> R {
2176 let old_cursor_position = self.selections.newest_anchor().head();
2177 self.push_to_selection_history();
2178
2179 let (changed, result) = self.selections.change_with(cx, change);
2180
2181 if changed {
2182 if let Some(autoscroll) = autoscroll {
2183 self.request_autoscroll(autoscroll, cx);
2184 }
2185 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2186
2187 if self.should_open_signature_help_automatically(
2188 &old_cursor_position,
2189 self.signature_help_state.backspace_pressed(),
2190 cx,
2191 ) {
2192 self.show_signature_help(&ShowSignatureHelp, window, cx);
2193 }
2194 self.signature_help_state.set_backspace_pressed(false);
2195 }
2196
2197 result
2198 }
2199
2200 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2201 where
2202 I: IntoIterator<Item = (Range<S>, T)>,
2203 S: ToOffset,
2204 T: Into<Arc<str>>,
2205 {
2206 if self.read_only(cx) {
2207 return;
2208 }
2209
2210 self.buffer
2211 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2212 }
2213
2214 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2215 where
2216 I: IntoIterator<Item = (Range<S>, T)>,
2217 S: ToOffset,
2218 T: Into<Arc<str>>,
2219 {
2220 if self.read_only(cx) {
2221 return;
2222 }
2223
2224 self.buffer.update(cx, |buffer, cx| {
2225 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2226 });
2227 }
2228
2229 pub fn edit_with_block_indent<I, S, T>(
2230 &mut self,
2231 edits: I,
2232 original_indent_columns: Vec<u32>,
2233 cx: &mut Context<Self>,
2234 ) where
2235 I: IntoIterator<Item = (Range<S>, T)>,
2236 S: ToOffset,
2237 T: Into<Arc<str>>,
2238 {
2239 if self.read_only(cx) {
2240 return;
2241 }
2242
2243 self.buffer.update(cx, |buffer, cx| {
2244 buffer.edit(
2245 edits,
2246 Some(AutoindentMode::Block {
2247 original_indent_columns,
2248 }),
2249 cx,
2250 )
2251 });
2252 }
2253
2254 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2255 self.hide_context_menu(window, cx);
2256
2257 match phase {
2258 SelectPhase::Begin {
2259 position,
2260 add,
2261 click_count,
2262 } => self.begin_selection(position, add, click_count, window, cx),
2263 SelectPhase::BeginColumnar {
2264 position,
2265 goal_column,
2266 reset,
2267 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2268 SelectPhase::Extend {
2269 position,
2270 click_count,
2271 } => self.extend_selection(position, click_count, window, cx),
2272 SelectPhase::Update {
2273 position,
2274 goal_column,
2275 scroll_delta,
2276 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2277 SelectPhase::End => self.end_selection(window, cx),
2278 }
2279 }
2280
2281 fn extend_selection(
2282 &mut self,
2283 position: DisplayPoint,
2284 click_count: usize,
2285 window: &mut Window,
2286 cx: &mut Context<Self>,
2287 ) {
2288 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2289 let tail = self.selections.newest::<usize>(cx).tail();
2290 self.begin_selection(position, false, click_count, window, cx);
2291
2292 let position = position.to_offset(&display_map, Bias::Left);
2293 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2294
2295 let mut pending_selection = self
2296 .selections
2297 .pending_anchor()
2298 .expect("extend_selection not called with pending selection");
2299 if position >= tail {
2300 pending_selection.start = tail_anchor;
2301 } else {
2302 pending_selection.end = tail_anchor;
2303 pending_selection.reversed = true;
2304 }
2305
2306 let mut pending_mode = self.selections.pending_mode().unwrap();
2307 match &mut pending_mode {
2308 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2309 _ => {}
2310 }
2311
2312 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2313 s.set_pending(pending_selection, pending_mode)
2314 });
2315 }
2316
2317 fn begin_selection(
2318 &mut self,
2319 position: DisplayPoint,
2320 add: bool,
2321 click_count: usize,
2322 window: &mut Window,
2323 cx: &mut Context<Self>,
2324 ) {
2325 if !self.focus_handle.is_focused(window) {
2326 self.last_focused_descendant = None;
2327 window.focus(&self.focus_handle);
2328 }
2329
2330 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2331 let buffer = &display_map.buffer_snapshot;
2332 let newest_selection = self.selections.newest_anchor().clone();
2333 let position = display_map.clip_point(position, Bias::Left);
2334
2335 let start;
2336 let end;
2337 let mode;
2338 let mut auto_scroll;
2339 match click_count {
2340 1 => {
2341 start = buffer.anchor_before(position.to_point(&display_map));
2342 end = start;
2343 mode = SelectMode::Character;
2344 auto_scroll = true;
2345 }
2346 2 => {
2347 let range = movement::surrounding_word(&display_map, position);
2348 start = buffer.anchor_before(range.start.to_point(&display_map));
2349 end = buffer.anchor_before(range.end.to_point(&display_map));
2350 mode = SelectMode::Word(start..end);
2351 auto_scroll = true;
2352 }
2353 3 => {
2354 let position = display_map
2355 .clip_point(position, Bias::Left)
2356 .to_point(&display_map);
2357 let line_start = display_map.prev_line_boundary(position).0;
2358 let next_line_start = buffer.clip_point(
2359 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2360 Bias::Left,
2361 );
2362 start = buffer.anchor_before(line_start);
2363 end = buffer.anchor_before(next_line_start);
2364 mode = SelectMode::Line(start..end);
2365 auto_scroll = true;
2366 }
2367 _ => {
2368 start = buffer.anchor_before(0);
2369 end = buffer.anchor_before(buffer.len());
2370 mode = SelectMode::All;
2371 auto_scroll = false;
2372 }
2373 }
2374 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2375
2376 let point_to_delete: Option<usize> = {
2377 let selected_points: Vec<Selection<Point>> =
2378 self.selections.disjoint_in_range(start..end, cx);
2379
2380 if !add || click_count > 1 {
2381 None
2382 } else if !selected_points.is_empty() {
2383 Some(selected_points[0].id)
2384 } else {
2385 let clicked_point_already_selected =
2386 self.selections.disjoint.iter().find(|selection| {
2387 selection.start.to_point(buffer) == start.to_point(buffer)
2388 || selection.end.to_point(buffer) == end.to_point(buffer)
2389 });
2390
2391 clicked_point_already_selected.map(|selection| selection.id)
2392 }
2393 };
2394
2395 let selections_count = self.selections.count();
2396
2397 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2398 if let Some(point_to_delete) = point_to_delete {
2399 s.delete(point_to_delete);
2400
2401 if selections_count == 1 {
2402 s.set_pending_anchor_range(start..end, mode);
2403 }
2404 } else {
2405 if !add {
2406 s.clear_disjoint();
2407 } else if click_count > 1 {
2408 s.delete(newest_selection.id)
2409 }
2410
2411 s.set_pending_anchor_range(start..end, mode);
2412 }
2413 });
2414 }
2415
2416 fn begin_columnar_selection(
2417 &mut self,
2418 position: DisplayPoint,
2419 goal_column: u32,
2420 reset: bool,
2421 window: &mut Window,
2422 cx: &mut Context<Self>,
2423 ) {
2424 if !self.focus_handle.is_focused(window) {
2425 self.last_focused_descendant = None;
2426 window.focus(&self.focus_handle);
2427 }
2428
2429 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2430
2431 if reset {
2432 let pointer_position = display_map
2433 .buffer_snapshot
2434 .anchor_before(position.to_point(&display_map));
2435
2436 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2437 s.clear_disjoint();
2438 s.set_pending_anchor_range(
2439 pointer_position..pointer_position,
2440 SelectMode::Character,
2441 );
2442 });
2443 }
2444
2445 let tail = self.selections.newest::<Point>(cx).tail();
2446 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2447
2448 if !reset {
2449 self.select_columns(
2450 tail.to_display_point(&display_map),
2451 position,
2452 goal_column,
2453 &display_map,
2454 window,
2455 cx,
2456 );
2457 }
2458 }
2459
2460 fn update_selection(
2461 &mut self,
2462 position: DisplayPoint,
2463 goal_column: u32,
2464 scroll_delta: gpui::Point<f32>,
2465 window: &mut Window,
2466 cx: &mut Context<Self>,
2467 ) {
2468 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2469
2470 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2471 let tail = tail.to_display_point(&display_map);
2472 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2473 } else if let Some(mut pending) = self.selections.pending_anchor() {
2474 let buffer = self.buffer.read(cx).snapshot(cx);
2475 let head;
2476 let tail;
2477 let mode = self.selections.pending_mode().unwrap();
2478 match &mode {
2479 SelectMode::Character => {
2480 head = position.to_point(&display_map);
2481 tail = pending.tail().to_point(&buffer);
2482 }
2483 SelectMode::Word(original_range) => {
2484 let original_display_range = original_range.start.to_display_point(&display_map)
2485 ..original_range.end.to_display_point(&display_map);
2486 let original_buffer_range = original_display_range.start.to_point(&display_map)
2487 ..original_display_range.end.to_point(&display_map);
2488 if movement::is_inside_word(&display_map, position)
2489 || original_display_range.contains(&position)
2490 {
2491 let word_range = movement::surrounding_word(&display_map, position);
2492 if word_range.start < original_display_range.start {
2493 head = word_range.start.to_point(&display_map);
2494 } else {
2495 head = word_range.end.to_point(&display_map);
2496 }
2497 } else {
2498 head = position.to_point(&display_map);
2499 }
2500
2501 if head <= original_buffer_range.start {
2502 tail = original_buffer_range.end;
2503 } else {
2504 tail = original_buffer_range.start;
2505 }
2506 }
2507 SelectMode::Line(original_range) => {
2508 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2509
2510 let position = display_map
2511 .clip_point(position, Bias::Left)
2512 .to_point(&display_map);
2513 let line_start = display_map.prev_line_boundary(position).0;
2514 let next_line_start = buffer.clip_point(
2515 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2516 Bias::Left,
2517 );
2518
2519 if line_start < original_range.start {
2520 head = line_start
2521 } else {
2522 head = next_line_start
2523 }
2524
2525 if head <= original_range.start {
2526 tail = original_range.end;
2527 } else {
2528 tail = original_range.start;
2529 }
2530 }
2531 SelectMode::All => {
2532 return;
2533 }
2534 };
2535
2536 if head < tail {
2537 pending.start = buffer.anchor_before(head);
2538 pending.end = buffer.anchor_before(tail);
2539 pending.reversed = true;
2540 } else {
2541 pending.start = buffer.anchor_before(tail);
2542 pending.end = buffer.anchor_before(head);
2543 pending.reversed = false;
2544 }
2545
2546 self.change_selections(None, window, cx, |s| {
2547 s.set_pending(pending, mode);
2548 });
2549 } else {
2550 log::error!("update_selection dispatched with no pending selection");
2551 return;
2552 }
2553
2554 self.apply_scroll_delta(scroll_delta, window, cx);
2555 cx.notify();
2556 }
2557
2558 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2559 self.columnar_selection_tail.take();
2560 if self.selections.pending_anchor().is_some() {
2561 let selections = self.selections.all::<usize>(cx);
2562 self.change_selections(None, window, cx, |s| {
2563 s.select(selections);
2564 s.clear_pending();
2565 });
2566 }
2567 }
2568
2569 fn select_columns(
2570 &mut self,
2571 tail: DisplayPoint,
2572 head: DisplayPoint,
2573 goal_column: u32,
2574 display_map: &DisplaySnapshot,
2575 window: &mut Window,
2576 cx: &mut Context<Self>,
2577 ) {
2578 let start_row = cmp::min(tail.row(), head.row());
2579 let end_row = cmp::max(tail.row(), head.row());
2580 let start_column = cmp::min(tail.column(), goal_column);
2581 let end_column = cmp::max(tail.column(), goal_column);
2582 let reversed = start_column < tail.column();
2583
2584 let selection_ranges = (start_row.0..=end_row.0)
2585 .map(DisplayRow)
2586 .filter_map(|row| {
2587 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2588 let start = display_map
2589 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2590 .to_point(display_map);
2591 let end = display_map
2592 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2593 .to_point(display_map);
2594 if reversed {
2595 Some(end..start)
2596 } else {
2597 Some(start..end)
2598 }
2599 } else {
2600 None
2601 }
2602 })
2603 .collect::<Vec<_>>();
2604
2605 self.change_selections(None, window, cx, |s| {
2606 s.select_ranges(selection_ranges);
2607 });
2608 cx.notify();
2609 }
2610
2611 pub fn has_pending_nonempty_selection(&self) -> bool {
2612 let pending_nonempty_selection = match self.selections.pending_anchor() {
2613 Some(Selection { start, end, .. }) => start != end,
2614 None => false,
2615 };
2616
2617 pending_nonempty_selection
2618 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2619 }
2620
2621 pub fn has_pending_selection(&self) -> bool {
2622 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2623 }
2624
2625 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2626 self.selection_mark_mode = false;
2627
2628 if self.clear_expanded_diff_hunks(cx) {
2629 cx.notify();
2630 return;
2631 }
2632 if self.dismiss_menus_and_popups(true, window, cx) {
2633 return;
2634 }
2635
2636 if self.mode == EditorMode::Full
2637 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2638 {
2639 return;
2640 }
2641
2642 cx.propagate();
2643 }
2644
2645 pub fn dismiss_menus_and_popups(
2646 &mut self,
2647 is_user_requested: bool,
2648 window: &mut Window,
2649 cx: &mut Context<Self>,
2650 ) -> bool {
2651 if self.take_rename(false, window, cx).is_some() {
2652 return true;
2653 }
2654
2655 if hide_hover(self, cx) {
2656 return true;
2657 }
2658
2659 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2660 return true;
2661 }
2662
2663 if self.hide_context_menu(window, cx).is_some() {
2664 return true;
2665 }
2666
2667 if self.mouse_context_menu.take().is_some() {
2668 return true;
2669 }
2670
2671 if is_user_requested && self.discard_inline_completion(true, cx) {
2672 return true;
2673 }
2674
2675 if self.snippet_stack.pop().is_some() {
2676 return true;
2677 }
2678
2679 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2680 self.dismiss_diagnostics(cx);
2681 return true;
2682 }
2683
2684 false
2685 }
2686
2687 fn linked_editing_ranges_for(
2688 &self,
2689 selection: Range<text::Anchor>,
2690 cx: &App,
2691 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2692 if self.linked_edit_ranges.is_empty() {
2693 return None;
2694 }
2695 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2696 selection.end.buffer_id.and_then(|end_buffer_id| {
2697 if selection.start.buffer_id != Some(end_buffer_id) {
2698 return None;
2699 }
2700 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2701 let snapshot = buffer.read(cx).snapshot();
2702 self.linked_edit_ranges
2703 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2704 .map(|ranges| (ranges, snapshot, buffer))
2705 })?;
2706 use text::ToOffset as TO;
2707 // find offset from the start of current range to current cursor position
2708 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2709
2710 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2711 let start_difference = start_offset - start_byte_offset;
2712 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2713 let end_difference = end_offset - start_byte_offset;
2714 // Current range has associated linked ranges.
2715 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2716 for range in linked_ranges.iter() {
2717 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2718 let end_offset = start_offset + end_difference;
2719 let start_offset = start_offset + start_difference;
2720 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2721 continue;
2722 }
2723 if self.selections.disjoint_anchor_ranges().any(|s| {
2724 if s.start.buffer_id != selection.start.buffer_id
2725 || s.end.buffer_id != selection.end.buffer_id
2726 {
2727 return false;
2728 }
2729 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2730 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2731 }) {
2732 continue;
2733 }
2734 let start = buffer_snapshot.anchor_after(start_offset);
2735 let end = buffer_snapshot.anchor_after(end_offset);
2736 linked_edits
2737 .entry(buffer.clone())
2738 .or_default()
2739 .push(start..end);
2740 }
2741 Some(linked_edits)
2742 }
2743
2744 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2745 let text: Arc<str> = text.into();
2746
2747 if self.read_only(cx) {
2748 return;
2749 }
2750
2751 let selections = self.selections.all_adjusted(cx);
2752 let mut bracket_inserted = false;
2753 let mut edits = Vec::new();
2754 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2755 let mut new_selections = Vec::with_capacity(selections.len());
2756 let mut new_autoclose_regions = Vec::new();
2757 let snapshot = self.buffer.read(cx).read(cx);
2758
2759 for (selection, autoclose_region) in
2760 self.selections_with_autoclose_regions(selections, &snapshot)
2761 {
2762 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2763 // Determine if the inserted text matches the opening or closing
2764 // bracket of any of this language's bracket pairs.
2765 let mut bracket_pair = None;
2766 let mut is_bracket_pair_start = false;
2767 let mut is_bracket_pair_end = false;
2768 if !text.is_empty() {
2769 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2770 // and they are removing the character that triggered IME popup.
2771 for (pair, enabled) in scope.brackets() {
2772 if !pair.close && !pair.surround {
2773 continue;
2774 }
2775
2776 if enabled && pair.start.ends_with(text.as_ref()) {
2777 let prefix_len = pair.start.len() - text.len();
2778 let preceding_text_matches_prefix = prefix_len == 0
2779 || (selection.start.column >= (prefix_len as u32)
2780 && snapshot.contains_str_at(
2781 Point::new(
2782 selection.start.row,
2783 selection.start.column - (prefix_len as u32),
2784 ),
2785 &pair.start[..prefix_len],
2786 ));
2787 if preceding_text_matches_prefix {
2788 bracket_pair = Some(pair.clone());
2789 is_bracket_pair_start = true;
2790 break;
2791 }
2792 }
2793 if pair.end.as_str() == text.as_ref() {
2794 bracket_pair = Some(pair.clone());
2795 is_bracket_pair_end = true;
2796 break;
2797 }
2798 }
2799 }
2800
2801 if let Some(bracket_pair) = bracket_pair {
2802 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2803 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2804 let auto_surround =
2805 self.use_auto_surround && snapshot_settings.use_auto_surround;
2806 if selection.is_empty() {
2807 if is_bracket_pair_start {
2808 // If the inserted text is a suffix of an opening bracket and the
2809 // selection is preceded by the rest of the opening bracket, then
2810 // insert the closing bracket.
2811 let following_text_allows_autoclose = snapshot
2812 .chars_at(selection.start)
2813 .next()
2814 .map_or(true, |c| scope.should_autoclose_before(c));
2815
2816 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2817 && bracket_pair.start.len() == 1
2818 {
2819 let target = bracket_pair.start.chars().next().unwrap();
2820 let current_line_count = snapshot
2821 .reversed_chars_at(selection.start)
2822 .take_while(|&c| c != '\n')
2823 .filter(|&c| c == target)
2824 .count();
2825 current_line_count % 2 == 1
2826 } else {
2827 false
2828 };
2829
2830 if autoclose
2831 && bracket_pair.close
2832 && following_text_allows_autoclose
2833 && !is_closing_quote
2834 {
2835 let anchor = snapshot.anchor_before(selection.end);
2836 new_selections.push((selection.map(|_| anchor), text.len()));
2837 new_autoclose_regions.push((
2838 anchor,
2839 text.len(),
2840 selection.id,
2841 bracket_pair.clone(),
2842 ));
2843 edits.push((
2844 selection.range(),
2845 format!("{}{}", text, bracket_pair.end).into(),
2846 ));
2847 bracket_inserted = true;
2848 continue;
2849 }
2850 }
2851
2852 if let Some(region) = autoclose_region {
2853 // If the selection is followed by an auto-inserted closing bracket,
2854 // then don't insert that closing bracket again; just move the selection
2855 // past the closing bracket.
2856 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2857 && text.as_ref() == region.pair.end.as_str();
2858 if should_skip {
2859 let anchor = snapshot.anchor_after(selection.end);
2860 new_selections
2861 .push((selection.map(|_| anchor), region.pair.end.len()));
2862 continue;
2863 }
2864 }
2865
2866 let always_treat_brackets_as_autoclosed = snapshot
2867 .settings_at(selection.start, cx)
2868 .always_treat_brackets_as_autoclosed;
2869 if always_treat_brackets_as_autoclosed
2870 && is_bracket_pair_end
2871 && snapshot.contains_str_at(selection.end, text.as_ref())
2872 {
2873 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2874 // and the inserted text is a closing bracket and the selection is followed
2875 // by the closing bracket then move the selection past the closing bracket.
2876 let anchor = snapshot.anchor_after(selection.end);
2877 new_selections.push((selection.map(|_| anchor), text.len()));
2878 continue;
2879 }
2880 }
2881 // If an opening bracket is 1 character long and is typed while
2882 // text is selected, then surround that text with the bracket pair.
2883 else if auto_surround
2884 && bracket_pair.surround
2885 && is_bracket_pair_start
2886 && bracket_pair.start.chars().count() == 1
2887 {
2888 edits.push((selection.start..selection.start, text.clone()));
2889 edits.push((
2890 selection.end..selection.end,
2891 bracket_pair.end.as_str().into(),
2892 ));
2893 bracket_inserted = true;
2894 new_selections.push((
2895 Selection {
2896 id: selection.id,
2897 start: snapshot.anchor_after(selection.start),
2898 end: snapshot.anchor_before(selection.end),
2899 reversed: selection.reversed,
2900 goal: selection.goal,
2901 },
2902 0,
2903 ));
2904 continue;
2905 }
2906 }
2907 }
2908
2909 if self.auto_replace_emoji_shortcode
2910 && selection.is_empty()
2911 && text.as_ref().ends_with(':')
2912 {
2913 if let Some(possible_emoji_short_code) =
2914 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2915 {
2916 if !possible_emoji_short_code.is_empty() {
2917 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2918 let emoji_shortcode_start = Point::new(
2919 selection.start.row,
2920 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2921 );
2922
2923 // Remove shortcode from buffer
2924 edits.push((
2925 emoji_shortcode_start..selection.start,
2926 "".to_string().into(),
2927 ));
2928 new_selections.push((
2929 Selection {
2930 id: selection.id,
2931 start: snapshot.anchor_after(emoji_shortcode_start),
2932 end: snapshot.anchor_before(selection.start),
2933 reversed: selection.reversed,
2934 goal: selection.goal,
2935 },
2936 0,
2937 ));
2938
2939 // Insert emoji
2940 let selection_start_anchor = snapshot.anchor_after(selection.start);
2941 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2942 edits.push((selection.start..selection.end, emoji.to_string().into()));
2943
2944 continue;
2945 }
2946 }
2947 }
2948 }
2949
2950 // If not handling any auto-close operation, then just replace the selected
2951 // text with the given input and move the selection to the end of the
2952 // newly inserted text.
2953 let anchor = snapshot.anchor_after(selection.end);
2954 if !self.linked_edit_ranges.is_empty() {
2955 let start_anchor = snapshot.anchor_before(selection.start);
2956
2957 let is_word_char = text.chars().next().map_or(true, |char| {
2958 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2959 classifier.is_word(char)
2960 });
2961
2962 if is_word_char {
2963 if let Some(ranges) = self
2964 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2965 {
2966 for (buffer, edits) in ranges {
2967 linked_edits
2968 .entry(buffer.clone())
2969 .or_default()
2970 .extend(edits.into_iter().map(|range| (range, text.clone())));
2971 }
2972 }
2973 }
2974 }
2975
2976 new_selections.push((selection.map(|_| anchor), 0));
2977 edits.push((selection.start..selection.end, text.clone()));
2978 }
2979
2980 drop(snapshot);
2981
2982 self.transact(window, cx, |this, window, cx| {
2983 this.buffer.update(cx, |buffer, cx| {
2984 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2985 });
2986 for (buffer, edits) in linked_edits {
2987 buffer.update(cx, |buffer, cx| {
2988 let snapshot = buffer.snapshot();
2989 let edits = edits
2990 .into_iter()
2991 .map(|(range, text)| {
2992 use text::ToPoint as TP;
2993 let end_point = TP::to_point(&range.end, &snapshot);
2994 let start_point = TP::to_point(&range.start, &snapshot);
2995 (start_point..end_point, text)
2996 })
2997 .sorted_by_key(|(range, _)| range.start)
2998 .collect::<Vec<_>>();
2999 buffer.edit(edits, None, cx);
3000 })
3001 }
3002 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
3003 let new_selection_deltas = new_selections.iter().map(|e| e.1);
3004 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
3005 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
3006 .zip(new_selection_deltas)
3007 .map(|(selection, delta)| Selection {
3008 id: selection.id,
3009 start: selection.start + delta,
3010 end: selection.end + delta,
3011 reversed: selection.reversed,
3012 goal: SelectionGoal::None,
3013 })
3014 .collect::<Vec<_>>();
3015
3016 let mut i = 0;
3017 for (position, delta, selection_id, pair) in new_autoclose_regions {
3018 let position = position.to_offset(&map.buffer_snapshot) + delta;
3019 let start = map.buffer_snapshot.anchor_before(position);
3020 let end = map.buffer_snapshot.anchor_after(position);
3021 while let Some(existing_state) = this.autoclose_regions.get(i) {
3022 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
3023 Ordering::Less => i += 1,
3024 Ordering::Greater => break,
3025 Ordering::Equal => {
3026 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
3027 Ordering::Less => i += 1,
3028 Ordering::Equal => break,
3029 Ordering::Greater => break,
3030 }
3031 }
3032 }
3033 }
3034 this.autoclose_regions.insert(
3035 i,
3036 AutocloseRegion {
3037 selection_id,
3038 range: start..end,
3039 pair,
3040 },
3041 );
3042 }
3043
3044 let had_active_inline_completion = this.has_active_inline_completion();
3045 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
3046 s.select(new_selections)
3047 });
3048
3049 if !bracket_inserted {
3050 if let Some(on_type_format_task) =
3051 this.trigger_on_type_formatting(text.to_string(), window, cx)
3052 {
3053 on_type_format_task.detach_and_log_err(cx);
3054 }
3055 }
3056
3057 let editor_settings = EditorSettings::get_global(cx);
3058 if bracket_inserted
3059 && (editor_settings.auto_signature_help
3060 || editor_settings.show_signature_help_after_edits)
3061 {
3062 this.show_signature_help(&ShowSignatureHelp, window, cx);
3063 }
3064
3065 let trigger_in_words =
3066 this.show_edit_predictions_in_menu() || !had_active_inline_completion;
3067 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3068 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3069 this.refresh_inline_completion(true, false, window, cx);
3070 });
3071 }
3072
3073 fn find_possible_emoji_shortcode_at_position(
3074 snapshot: &MultiBufferSnapshot,
3075 position: Point,
3076 ) -> Option<String> {
3077 let mut chars = Vec::new();
3078 let mut found_colon = false;
3079 for char in snapshot.reversed_chars_at(position).take(100) {
3080 // Found a possible emoji shortcode in the middle of the buffer
3081 if found_colon {
3082 if char.is_whitespace() {
3083 chars.reverse();
3084 return Some(chars.iter().collect());
3085 }
3086 // If the previous character is not a whitespace, we are in the middle of a word
3087 // and we only want to complete the shortcode if the word is made up of other emojis
3088 let mut containing_word = String::new();
3089 for ch in snapshot
3090 .reversed_chars_at(position)
3091 .skip(chars.len() + 1)
3092 .take(100)
3093 {
3094 if ch.is_whitespace() {
3095 break;
3096 }
3097 containing_word.push(ch);
3098 }
3099 let containing_word = containing_word.chars().rev().collect::<String>();
3100 if util::word_consists_of_emojis(containing_word.as_str()) {
3101 chars.reverse();
3102 return Some(chars.iter().collect());
3103 }
3104 }
3105
3106 if char.is_whitespace() || !char.is_ascii() {
3107 return None;
3108 }
3109 if char == ':' {
3110 found_colon = true;
3111 } else {
3112 chars.push(char);
3113 }
3114 }
3115 // Found a possible emoji shortcode at the beginning of the buffer
3116 chars.reverse();
3117 Some(chars.iter().collect())
3118 }
3119
3120 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3121 self.transact(window, cx, |this, window, cx| {
3122 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3123 let selections = this.selections.all::<usize>(cx);
3124 let multi_buffer = this.buffer.read(cx);
3125 let buffer = multi_buffer.snapshot(cx);
3126 selections
3127 .iter()
3128 .map(|selection| {
3129 let start_point = selection.start.to_point(&buffer);
3130 let mut indent =
3131 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3132 indent.len = cmp::min(indent.len, start_point.column);
3133 let start = selection.start;
3134 let end = selection.end;
3135 let selection_is_empty = start == end;
3136 let language_scope = buffer.language_scope_at(start);
3137 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3138 &language_scope
3139 {
3140 let leading_whitespace_len = buffer
3141 .reversed_chars_at(start)
3142 .take_while(|c| c.is_whitespace() && *c != '\n')
3143 .map(|c| c.len_utf8())
3144 .sum::<usize>();
3145
3146 let trailing_whitespace_len = buffer
3147 .chars_at(end)
3148 .take_while(|c| c.is_whitespace() && *c != '\n')
3149 .map(|c| c.len_utf8())
3150 .sum::<usize>();
3151
3152 let insert_extra_newline =
3153 language.brackets().any(|(pair, enabled)| {
3154 let pair_start = pair.start.trim_end();
3155 let pair_end = pair.end.trim_start();
3156
3157 enabled
3158 && pair.newline
3159 && buffer.contains_str_at(
3160 end + trailing_whitespace_len,
3161 pair_end,
3162 )
3163 && buffer.contains_str_at(
3164 (start - leading_whitespace_len)
3165 .saturating_sub(pair_start.len()),
3166 pair_start,
3167 )
3168 });
3169
3170 // Comment extension on newline is allowed only for cursor selections
3171 let comment_delimiter = maybe!({
3172 if !selection_is_empty {
3173 return None;
3174 }
3175
3176 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3177 return None;
3178 }
3179
3180 let delimiters = language.line_comment_prefixes();
3181 let max_len_of_delimiter =
3182 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3183 let (snapshot, range) =
3184 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3185
3186 let mut index_of_first_non_whitespace = 0;
3187 let comment_candidate = snapshot
3188 .chars_for_range(range)
3189 .skip_while(|c| {
3190 let should_skip = c.is_whitespace();
3191 if should_skip {
3192 index_of_first_non_whitespace += 1;
3193 }
3194 should_skip
3195 })
3196 .take(max_len_of_delimiter)
3197 .collect::<String>();
3198 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3199 comment_candidate.starts_with(comment_prefix.as_ref())
3200 })?;
3201 let cursor_is_placed_after_comment_marker =
3202 index_of_first_non_whitespace + comment_prefix.len()
3203 <= start_point.column as usize;
3204 if cursor_is_placed_after_comment_marker {
3205 Some(comment_prefix.clone())
3206 } else {
3207 None
3208 }
3209 });
3210 (comment_delimiter, insert_extra_newline)
3211 } else {
3212 (None, false)
3213 };
3214
3215 let capacity_for_delimiter = comment_delimiter
3216 .as_deref()
3217 .map(str::len)
3218 .unwrap_or_default();
3219 let mut new_text =
3220 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3221 new_text.push('\n');
3222 new_text.extend(indent.chars());
3223 if let Some(delimiter) = &comment_delimiter {
3224 new_text.push_str(delimiter);
3225 }
3226 if insert_extra_newline {
3227 new_text = new_text.repeat(2);
3228 }
3229
3230 let anchor = buffer.anchor_after(end);
3231 let new_selection = selection.map(|_| anchor);
3232 (
3233 (start..end, new_text),
3234 (insert_extra_newline, new_selection),
3235 )
3236 })
3237 .unzip()
3238 };
3239
3240 this.edit_with_autoindent(edits, cx);
3241 let buffer = this.buffer.read(cx).snapshot(cx);
3242 let new_selections = selection_fixup_info
3243 .into_iter()
3244 .map(|(extra_newline_inserted, new_selection)| {
3245 let mut cursor = new_selection.end.to_point(&buffer);
3246 if extra_newline_inserted {
3247 cursor.row -= 1;
3248 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3249 }
3250 new_selection.map(|_| cursor)
3251 })
3252 .collect();
3253
3254 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3255 s.select(new_selections)
3256 });
3257 this.refresh_inline_completion(true, false, window, cx);
3258 });
3259 }
3260
3261 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3262 let buffer = self.buffer.read(cx);
3263 let snapshot = buffer.snapshot(cx);
3264
3265 let mut edits = Vec::new();
3266 let mut rows = Vec::new();
3267
3268 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3269 let cursor = selection.head();
3270 let row = cursor.row;
3271
3272 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3273
3274 let newline = "\n".to_string();
3275 edits.push((start_of_line..start_of_line, newline));
3276
3277 rows.push(row + rows_inserted as u32);
3278 }
3279
3280 self.transact(window, cx, |editor, window, cx| {
3281 editor.edit(edits, cx);
3282
3283 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3284 let mut index = 0;
3285 s.move_cursors_with(|map, _, _| {
3286 let row = rows[index];
3287 index += 1;
3288
3289 let point = Point::new(row, 0);
3290 let boundary = map.next_line_boundary(point).1;
3291 let clipped = map.clip_point(boundary, Bias::Left);
3292
3293 (clipped, SelectionGoal::None)
3294 });
3295 });
3296
3297 let mut indent_edits = Vec::new();
3298 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3299 for row in rows {
3300 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3301 for (row, indent) in indents {
3302 if indent.len == 0 {
3303 continue;
3304 }
3305
3306 let text = match indent.kind {
3307 IndentKind::Space => " ".repeat(indent.len as usize),
3308 IndentKind::Tab => "\t".repeat(indent.len as usize),
3309 };
3310 let point = Point::new(row.0, 0);
3311 indent_edits.push((point..point, text));
3312 }
3313 }
3314 editor.edit(indent_edits, cx);
3315 });
3316 }
3317
3318 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3319 let buffer = self.buffer.read(cx);
3320 let snapshot = buffer.snapshot(cx);
3321
3322 let mut edits = Vec::new();
3323 let mut rows = Vec::new();
3324 let mut rows_inserted = 0;
3325
3326 for selection in self.selections.all_adjusted(cx) {
3327 let cursor = selection.head();
3328 let row = cursor.row;
3329
3330 let point = Point::new(row + 1, 0);
3331 let start_of_line = snapshot.clip_point(point, Bias::Left);
3332
3333 let newline = "\n".to_string();
3334 edits.push((start_of_line..start_of_line, newline));
3335
3336 rows_inserted += 1;
3337 rows.push(row + rows_inserted);
3338 }
3339
3340 self.transact(window, cx, |editor, window, cx| {
3341 editor.edit(edits, cx);
3342
3343 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3344 let mut index = 0;
3345 s.move_cursors_with(|map, _, _| {
3346 let row = rows[index];
3347 index += 1;
3348
3349 let point = Point::new(row, 0);
3350 let boundary = map.next_line_boundary(point).1;
3351 let clipped = map.clip_point(boundary, Bias::Left);
3352
3353 (clipped, SelectionGoal::None)
3354 });
3355 });
3356
3357 let mut indent_edits = Vec::new();
3358 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3359 for row in rows {
3360 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3361 for (row, indent) in indents {
3362 if indent.len == 0 {
3363 continue;
3364 }
3365
3366 let text = match indent.kind {
3367 IndentKind::Space => " ".repeat(indent.len as usize),
3368 IndentKind::Tab => "\t".repeat(indent.len as usize),
3369 };
3370 let point = Point::new(row.0, 0);
3371 indent_edits.push((point..point, text));
3372 }
3373 }
3374 editor.edit(indent_edits, cx);
3375 });
3376 }
3377
3378 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3379 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3380 original_indent_columns: Vec::new(),
3381 });
3382 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3383 }
3384
3385 fn insert_with_autoindent_mode(
3386 &mut self,
3387 text: &str,
3388 autoindent_mode: Option<AutoindentMode>,
3389 window: &mut Window,
3390 cx: &mut Context<Self>,
3391 ) {
3392 if self.read_only(cx) {
3393 return;
3394 }
3395
3396 let text: Arc<str> = text.into();
3397 self.transact(window, cx, |this, window, cx| {
3398 let old_selections = this.selections.all_adjusted(cx);
3399 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3400 let anchors = {
3401 let snapshot = buffer.read(cx);
3402 old_selections
3403 .iter()
3404 .map(|s| {
3405 let anchor = snapshot.anchor_after(s.head());
3406 s.map(|_| anchor)
3407 })
3408 .collect::<Vec<_>>()
3409 };
3410 buffer.edit(
3411 old_selections
3412 .iter()
3413 .map(|s| (s.start..s.end, text.clone())),
3414 autoindent_mode,
3415 cx,
3416 );
3417 anchors
3418 });
3419
3420 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3421 s.select_anchors(selection_anchors);
3422 });
3423
3424 cx.notify();
3425 });
3426 }
3427
3428 fn trigger_completion_on_input(
3429 &mut self,
3430 text: &str,
3431 trigger_in_words: bool,
3432 window: &mut Window,
3433 cx: &mut Context<Self>,
3434 ) {
3435 if self.is_completion_trigger(text, trigger_in_words, cx) {
3436 self.show_completions(
3437 &ShowCompletions {
3438 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3439 },
3440 window,
3441 cx,
3442 );
3443 } else {
3444 self.hide_context_menu(window, cx);
3445 }
3446 }
3447
3448 fn is_completion_trigger(
3449 &self,
3450 text: &str,
3451 trigger_in_words: bool,
3452 cx: &mut Context<Self>,
3453 ) -> bool {
3454 let position = self.selections.newest_anchor().head();
3455 let multibuffer = self.buffer.read(cx);
3456 let Some(buffer) = position
3457 .buffer_id
3458 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3459 else {
3460 return false;
3461 };
3462
3463 if let Some(completion_provider) = &self.completion_provider {
3464 completion_provider.is_completion_trigger(
3465 &buffer,
3466 position.text_anchor,
3467 text,
3468 trigger_in_words,
3469 cx,
3470 )
3471 } else {
3472 false
3473 }
3474 }
3475
3476 /// If any empty selections is touching the start of its innermost containing autoclose
3477 /// region, expand it to select the brackets.
3478 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3479 let selections = self.selections.all::<usize>(cx);
3480 let buffer = self.buffer.read(cx).read(cx);
3481 let new_selections = self
3482 .selections_with_autoclose_regions(selections, &buffer)
3483 .map(|(mut selection, region)| {
3484 if !selection.is_empty() {
3485 return selection;
3486 }
3487
3488 if let Some(region) = region {
3489 let mut range = region.range.to_offset(&buffer);
3490 if selection.start == range.start && range.start >= region.pair.start.len() {
3491 range.start -= region.pair.start.len();
3492 if buffer.contains_str_at(range.start, ®ion.pair.start)
3493 && buffer.contains_str_at(range.end, ®ion.pair.end)
3494 {
3495 range.end += region.pair.end.len();
3496 selection.start = range.start;
3497 selection.end = range.end;
3498
3499 return selection;
3500 }
3501 }
3502 }
3503
3504 let always_treat_brackets_as_autoclosed = buffer
3505 .settings_at(selection.start, cx)
3506 .always_treat_brackets_as_autoclosed;
3507
3508 if !always_treat_brackets_as_autoclosed {
3509 return selection;
3510 }
3511
3512 if let Some(scope) = buffer.language_scope_at(selection.start) {
3513 for (pair, enabled) in scope.brackets() {
3514 if !enabled || !pair.close {
3515 continue;
3516 }
3517
3518 if buffer.contains_str_at(selection.start, &pair.end) {
3519 let pair_start_len = pair.start.len();
3520 if buffer.contains_str_at(
3521 selection.start.saturating_sub(pair_start_len),
3522 &pair.start,
3523 ) {
3524 selection.start -= pair_start_len;
3525 selection.end += pair.end.len();
3526
3527 return selection;
3528 }
3529 }
3530 }
3531 }
3532
3533 selection
3534 })
3535 .collect();
3536
3537 drop(buffer);
3538 self.change_selections(None, window, cx, |selections| {
3539 selections.select(new_selections)
3540 });
3541 }
3542
3543 /// Iterate the given selections, and for each one, find the smallest surrounding
3544 /// autoclose region. This uses the ordering of the selections and the autoclose
3545 /// regions to avoid repeated comparisons.
3546 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3547 &'a self,
3548 selections: impl IntoIterator<Item = Selection<D>>,
3549 buffer: &'a MultiBufferSnapshot,
3550 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3551 let mut i = 0;
3552 let mut regions = self.autoclose_regions.as_slice();
3553 selections.into_iter().map(move |selection| {
3554 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3555
3556 let mut enclosing = None;
3557 while let Some(pair_state) = regions.get(i) {
3558 if pair_state.range.end.to_offset(buffer) < range.start {
3559 regions = ®ions[i + 1..];
3560 i = 0;
3561 } else if pair_state.range.start.to_offset(buffer) > range.end {
3562 break;
3563 } else {
3564 if pair_state.selection_id == selection.id {
3565 enclosing = Some(pair_state);
3566 }
3567 i += 1;
3568 }
3569 }
3570
3571 (selection, enclosing)
3572 })
3573 }
3574
3575 /// Remove any autoclose regions that no longer contain their selection.
3576 fn invalidate_autoclose_regions(
3577 &mut self,
3578 mut selections: &[Selection<Anchor>],
3579 buffer: &MultiBufferSnapshot,
3580 ) {
3581 self.autoclose_regions.retain(|state| {
3582 let mut i = 0;
3583 while let Some(selection) = selections.get(i) {
3584 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3585 selections = &selections[1..];
3586 continue;
3587 }
3588 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3589 break;
3590 }
3591 if selection.id == state.selection_id {
3592 return true;
3593 } else {
3594 i += 1;
3595 }
3596 }
3597 false
3598 });
3599 }
3600
3601 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3602 let offset = position.to_offset(buffer);
3603 let (word_range, kind) = buffer.surrounding_word(offset, true);
3604 if offset > word_range.start && kind == Some(CharKind::Word) {
3605 Some(
3606 buffer
3607 .text_for_range(word_range.start..offset)
3608 .collect::<String>(),
3609 )
3610 } else {
3611 None
3612 }
3613 }
3614
3615 pub fn toggle_inlay_hints(
3616 &mut self,
3617 _: &ToggleInlayHints,
3618 _: &mut Window,
3619 cx: &mut Context<Self>,
3620 ) {
3621 self.refresh_inlay_hints(
3622 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3623 cx,
3624 );
3625 }
3626
3627 pub fn inlay_hints_enabled(&self) -> bool {
3628 self.inlay_hint_cache.enabled
3629 }
3630
3631 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3632 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3633 return;
3634 }
3635
3636 let reason_description = reason.description();
3637 let ignore_debounce = matches!(
3638 reason,
3639 InlayHintRefreshReason::SettingsChange(_)
3640 | InlayHintRefreshReason::Toggle(_)
3641 | InlayHintRefreshReason::ExcerptsRemoved(_)
3642 );
3643 let (invalidate_cache, required_languages) = match reason {
3644 InlayHintRefreshReason::Toggle(enabled) => {
3645 self.inlay_hint_cache.enabled = enabled;
3646 if enabled {
3647 (InvalidationStrategy::RefreshRequested, None)
3648 } else {
3649 self.inlay_hint_cache.clear();
3650 self.splice_inlays(
3651 &self
3652 .visible_inlay_hints(cx)
3653 .iter()
3654 .map(|inlay| inlay.id)
3655 .collect::<Vec<InlayId>>(),
3656 Vec::new(),
3657 cx,
3658 );
3659 return;
3660 }
3661 }
3662 InlayHintRefreshReason::SettingsChange(new_settings) => {
3663 match self.inlay_hint_cache.update_settings(
3664 &self.buffer,
3665 new_settings,
3666 self.visible_inlay_hints(cx),
3667 cx,
3668 ) {
3669 ControlFlow::Break(Some(InlaySplice {
3670 to_remove,
3671 to_insert,
3672 })) => {
3673 self.splice_inlays(&to_remove, to_insert, cx);
3674 return;
3675 }
3676 ControlFlow::Break(None) => return,
3677 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3678 }
3679 }
3680 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3681 if let Some(InlaySplice {
3682 to_remove,
3683 to_insert,
3684 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3685 {
3686 self.splice_inlays(&to_remove, to_insert, cx);
3687 }
3688 return;
3689 }
3690 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3691 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3692 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3693 }
3694 InlayHintRefreshReason::RefreshRequested => {
3695 (InvalidationStrategy::RefreshRequested, None)
3696 }
3697 };
3698
3699 if let Some(InlaySplice {
3700 to_remove,
3701 to_insert,
3702 }) = self.inlay_hint_cache.spawn_hint_refresh(
3703 reason_description,
3704 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3705 invalidate_cache,
3706 ignore_debounce,
3707 cx,
3708 ) {
3709 self.splice_inlays(&to_remove, to_insert, cx);
3710 }
3711 }
3712
3713 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3714 self.display_map
3715 .read(cx)
3716 .current_inlays()
3717 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3718 .cloned()
3719 .collect()
3720 }
3721
3722 pub fn excerpts_for_inlay_hints_query(
3723 &self,
3724 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3725 cx: &mut Context<Editor>,
3726 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3727 let Some(project) = self.project.as_ref() else {
3728 return HashMap::default();
3729 };
3730 let project = project.read(cx);
3731 let multi_buffer = self.buffer().read(cx);
3732 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3733 let multi_buffer_visible_start = self
3734 .scroll_manager
3735 .anchor()
3736 .anchor
3737 .to_point(&multi_buffer_snapshot);
3738 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3739 multi_buffer_visible_start
3740 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3741 Bias::Left,
3742 );
3743 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3744 multi_buffer_snapshot
3745 .range_to_buffer_ranges(multi_buffer_visible_range)
3746 .into_iter()
3747 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3748 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3749 let buffer_file = project::File::from_dyn(buffer.file())?;
3750 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3751 let worktree_entry = buffer_worktree
3752 .read(cx)
3753 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3754 if worktree_entry.is_ignored {
3755 return None;
3756 }
3757
3758 let language = buffer.language()?;
3759 if let Some(restrict_to_languages) = restrict_to_languages {
3760 if !restrict_to_languages.contains(language) {
3761 return None;
3762 }
3763 }
3764 Some((
3765 excerpt_id,
3766 (
3767 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3768 buffer.version().clone(),
3769 excerpt_visible_range,
3770 ),
3771 ))
3772 })
3773 .collect()
3774 }
3775
3776 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3777 TextLayoutDetails {
3778 text_system: window.text_system().clone(),
3779 editor_style: self.style.clone().unwrap(),
3780 rem_size: window.rem_size(),
3781 scroll_anchor: self.scroll_manager.anchor(),
3782 visible_rows: self.visible_line_count(),
3783 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3784 }
3785 }
3786
3787 pub fn splice_inlays(
3788 &self,
3789 to_remove: &[InlayId],
3790 to_insert: Vec<Inlay>,
3791 cx: &mut Context<Self>,
3792 ) {
3793 self.display_map.update(cx, |display_map, cx| {
3794 display_map.splice_inlays(to_remove, to_insert, cx)
3795 });
3796 cx.notify();
3797 }
3798
3799 fn trigger_on_type_formatting(
3800 &self,
3801 input: String,
3802 window: &mut Window,
3803 cx: &mut Context<Self>,
3804 ) -> Option<Task<Result<()>>> {
3805 if input.len() != 1 {
3806 return None;
3807 }
3808
3809 let project = self.project.as_ref()?;
3810 let position = self.selections.newest_anchor().head();
3811 let (buffer, buffer_position) = self
3812 .buffer
3813 .read(cx)
3814 .text_anchor_for_position(position, cx)?;
3815
3816 let settings = language_settings::language_settings(
3817 buffer
3818 .read(cx)
3819 .language_at(buffer_position)
3820 .map(|l| l.name()),
3821 buffer.read(cx).file(),
3822 cx,
3823 );
3824 if !settings.use_on_type_format {
3825 return None;
3826 }
3827
3828 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3829 // hence we do LSP request & edit on host side only — add formats to host's history.
3830 let push_to_lsp_host_history = true;
3831 // If this is not the host, append its history with new edits.
3832 let push_to_client_history = project.read(cx).is_via_collab();
3833
3834 let on_type_formatting = project.update(cx, |project, cx| {
3835 project.on_type_format(
3836 buffer.clone(),
3837 buffer_position,
3838 input,
3839 push_to_lsp_host_history,
3840 cx,
3841 )
3842 });
3843 Some(cx.spawn_in(window, |editor, mut cx| async move {
3844 if let Some(transaction) = on_type_formatting.await? {
3845 if push_to_client_history {
3846 buffer
3847 .update(&mut cx, |buffer, _| {
3848 buffer.push_transaction(transaction, Instant::now());
3849 })
3850 .ok();
3851 }
3852 editor.update(&mut cx, |editor, cx| {
3853 editor.refresh_document_highlights(cx);
3854 })?;
3855 }
3856 Ok(())
3857 }))
3858 }
3859
3860 pub fn show_completions(
3861 &mut self,
3862 options: &ShowCompletions,
3863 window: &mut Window,
3864 cx: &mut Context<Self>,
3865 ) {
3866 if self.pending_rename.is_some() {
3867 return;
3868 }
3869
3870 let Some(provider) = self.completion_provider.as_ref() else {
3871 return;
3872 };
3873
3874 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3875 return;
3876 }
3877
3878 let position = self.selections.newest_anchor().head();
3879 if position.diff_base_anchor.is_some() {
3880 return;
3881 }
3882 let (buffer, buffer_position) =
3883 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3884 output
3885 } else {
3886 return;
3887 };
3888 let show_completion_documentation = buffer
3889 .read(cx)
3890 .snapshot()
3891 .settings_at(buffer_position, cx)
3892 .show_completion_documentation;
3893
3894 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3895
3896 let trigger_kind = match &options.trigger {
3897 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3898 CompletionTriggerKind::TRIGGER_CHARACTER
3899 }
3900 _ => CompletionTriggerKind::INVOKED,
3901 };
3902 let completion_context = CompletionContext {
3903 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3904 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3905 Some(String::from(trigger))
3906 } else {
3907 None
3908 }
3909 }),
3910 trigger_kind,
3911 };
3912 let completions =
3913 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3914 let sort_completions = provider.sort_completions();
3915
3916 let id = post_inc(&mut self.next_completion_id);
3917 let task = cx.spawn_in(window, |editor, mut cx| {
3918 async move {
3919 editor.update(&mut cx, |this, _| {
3920 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3921 })?;
3922 let completions = completions.await.log_err();
3923 let menu = if let Some(completions) = completions {
3924 let mut menu = CompletionsMenu::new(
3925 id,
3926 sort_completions,
3927 show_completion_documentation,
3928 position,
3929 buffer.clone(),
3930 completions.into(),
3931 );
3932
3933 menu.filter(query.as_deref(), cx.background_executor().clone())
3934 .await;
3935
3936 menu.visible().then_some(menu)
3937 } else {
3938 None
3939 };
3940
3941 editor.update_in(&mut cx, |editor, window, cx| {
3942 match editor.context_menu.borrow().as_ref() {
3943 None => {}
3944 Some(CodeContextMenu::Completions(prev_menu)) => {
3945 if prev_menu.id > id {
3946 return;
3947 }
3948 }
3949 _ => return,
3950 }
3951
3952 if editor.focus_handle.is_focused(window) && menu.is_some() {
3953 let mut menu = menu.unwrap();
3954 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3955
3956 *editor.context_menu.borrow_mut() =
3957 Some(CodeContextMenu::Completions(menu));
3958
3959 if editor.show_edit_predictions_in_menu() {
3960 editor.update_visible_inline_completion(window, cx);
3961 } else {
3962 editor.discard_inline_completion(false, cx);
3963 }
3964
3965 cx.notify();
3966 } else if editor.completion_tasks.len() <= 1 {
3967 // If there are no more completion tasks and the last menu was
3968 // empty, we should hide it.
3969 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3970 // If it was already hidden and we don't show inline
3971 // completions in the menu, we should also show the
3972 // inline-completion when available.
3973 if was_hidden && editor.show_edit_predictions_in_menu() {
3974 editor.update_visible_inline_completion(window, cx);
3975 }
3976 }
3977 })?;
3978
3979 Ok::<_, anyhow::Error>(())
3980 }
3981 .log_err()
3982 });
3983
3984 self.completion_tasks.push((id, task));
3985 }
3986
3987 pub fn confirm_completion(
3988 &mut self,
3989 action: &ConfirmCompletion,
3990 window: &mut Window,
3991 cx: &mut Context<Self>,
3992 ) -> Option<Task<Result<()>>> {
3993 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3994 }
3995
3996 pub fn compose_completion(
3997 &mut self,
3998 action: &ComposeCompletion,
3999 window: &mut Window,
4000 cx: &mut Context<Self>,
4001 ) -> Option<Task<Result<()>>> {
4002 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
4003 }
4004
4005 fn do_completion(
4006 &mut self,
4007 item_ix: Option<usize>,
4008 intent: CompletionIntent,
4009 window: &mut Window,
4010 cx: &mut Context<Editor>,
4011 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
4012 use language::ToOffset as _;
4013
4014 let completions_menu =
4015 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4016 menu
4017 } else {
4018 return None;
4019 };
4020
4021 let entries = completions_menu.entries.borrow();
4022 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4023 if self.show_edit_predictions_in_menu() {
4024 self.discard_inline_completion(true, cx);
4025 }
4026 let candidate_id = mat.candidate_id;
4027 drop(entries);
4028
4029 let buffer_handle = completions_menu.buffer;
4030 let completion = completions_menu
4031 .completions
4032 .borrow()
4033 .get(candidate_id)?
4034 .clone();
4035 cx.stop_propagation();
4036
4037 let snippet;
4038 let text;
4039
4040 if completion.is_snippet() {
4041 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4042 text = snippet.as_ref().unwrap().text.clone();
4043 } else {
4044 snippet = None;
4045 text = completion.new_text.clone();
4046 };
4047 let selections = self.selections.all::<usize>(cx);
4048 let buffer = buffer_handle.read(cx);
4049 let old_range = completion.old_range.to_offset(buffer);
4050 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4051
4052 let newest_selection = self.selections.newest_anchor();
4053 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4054 return None;
4055 }
4056
4057 let lookbehind = newest_selection
4058 .start
4059 .text_anchor
4060 .to_offset(buffer)
4061 .saturating_sub(old_range.start);
4062 let lookahead = old_range
4063 .end
4064 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4065 let mut common_prefix_len = old_text
4066 .bytes()
4067 .zip(text.bytes())
4068 .take_while(|(a, b)| a == b)
4069 .count();
4070
4071 let snapshot = self.buffer.read(cx).snapshot(cx);
4072 let mut range_to_replace: Option<Range<isize>> = None;
4073 let mut ranges = Vec::new();
4074 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4075 for selection in &selections {
4076 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4077 let start = selection.start.saturating_sub(lookbehind);
4078 let end = selection.end + lookahead;
4079 if selection.id == newest_selection.id {
4080 range_to_replace = Some(
4081 ((start + common_prefix_len) as isize - selection.start as isize)
4082 ..(end as isize - selection.start as isize),
4083 );
4084 }
4085 ranges.push(start + common_prefix_len..end);
4086 } else {
4087 common_prefix_len = 0;
4088 ranges.clear();
4089 ranges.extend(selections.iter().map(|s| {
4090 if s.id == newest_selection.id {
4091 range_to_replace = Some(
4092 old_range.start.to_offset_utf16(&snapshot).0 as isize
4093 - selection.start as isize
4094 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4095 - selection.start as isize,
4096 );
4097 old_range.clone()
4098 } else {
4099 s.start..s.end
4100 }
4101 }));
4102 break;
4103 }
4104 if !self.linked_edit_ranges.is_empty() {
4105 let start_anchor = snapshot.anchor_before(selection.head());
4106 let end_anchor = snapshot.anchor_after(selection.tail());
4107 if let Some(ranges) = self
4108 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4109 {
4110 for (buffer, edits) in ranges {
4111 linked_edits.entry(buffer.clone()).or_default().extend(
4112 edits
4113 .into_iter()
4114 .map(|range| (range, text[common_prefix_len..].to_owned())),
4115 );
4116 }
4117 }
4118 }
4119 }
4120 let text = &text[common_prefix_len..];
4121
4122 cx.emit(EditorEvent::InputHandled {
4123 utf16_range_to_replace: range_to_replace,
4124 text: text.into(),
4125 });
4126
4127 self.transact(window, cx, |this, window, cx| {
4128 if let Some(mut snippet) = snippet {
4129 snippet.text = text.to_string();
4130 for tabstop in snippet
4131 .tabstops
4132 .iter_mut()
4133 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4134 {
4135 tabstop.start -= common_prefix_len as isize;
4136 tabstop.end -= common_prefix_len as isize;
4137 }
4138
4139 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4140 } else {
4141 this.buffer.update(cx, |buffer, cx| {
4142 buffer.edit(
4143 ranges.iter().map(|range| (range.clone(), text)),
4144 this.autoindent_mode.clone(),
4145 cx,
4146 );
4147 });
4148 }
4149 for (buffer, edits) in linked_edits {
4150 buffer.update(cx, |buffer, cx| {
4151 let snapshot = buffer.snapshot();
4152 let edits = edits
4153 .into_iter()
4154 .map(|(range, text)| {
4155 use text::ToPoint as TP;
4156 let end_point = TP::to_point(&range.end, &snapshot);
4157 let start_point = TP::to_point(&range.start, &snapshot);
4158 (start_point..end_point, text)
4159 })
4160 .sorted_by_key(|(range, _)| range.start)
4161 .collect::<Vec<_>>();
4162 buffer.edit(edits, None, cx);
4163 })
4164 }
4165
4166 this.refresh_inline_completion(true, false, window, cx);
4167 });
4168
4169 let show_new_completions_on_confirm = completion
4170 .confirm
4171 .as_ref()
4172 .map_or(false, |confirm| confirm(intent, window, cx));
4173 if show_new_completions_on_confirm {
4174 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4175 }
4176
4177 let provider = self.completion_provider.as_ref()?;
4178 drop(completion);
4179 let apply_edits = provider.apply_additional_edits_for_completion(
4180 buffer_handle,
4181 completions_menu.completions.clone(),
4182 candidate_id,
4183 true,
4184 cx,
4185 );
4186
4187 let editor_settings = EditorSettings::get_global(cx);
4188 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4189 // After the code completion is finished, users often want to know what signatures are needed.
4190 // so we should automatically call signature_help
4191 self.show_signature_help(&ShowSignatureHelp, window, cx);
4192 }
4193
4194 Some(cx.foreground_executor().spawn(async move {
4195 apply_edits.await?;
4196 Ok(())
4197 }))
4198 }
4199
4200 pub fn toggle_code_actions(
4201 &mut self,
4202 action: &ToggleCodeActions,
4203 window: &mut Window,
4204 cx: &mut Context<Self>,
4205 ) {
4206 let mut context_menu = self.context_menu.borrow_mut();
4207 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4208 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4209 // Toggle if we're selecting the same one
4210 *context_menu = None;
4211 cx.notify();
4212 return;
4213 } else {
4214 // Otherwise, clear it and start a new one
4215 *context_menu = None;
4216 cx.notify();
4217 }
4218 }
4219 drop(context_menu);
4220 let snapshot = self.snapshot(window, cx);
4221 let deployed_from_indicator = action.deployed_from_indicator;
4222 let mut task = self.code_actions_task.take();
4223 let action = action.clone();
4224 cx.spawn_in(window, |editor, mut cx| async move {
4225 while let Some(prev_task) = task {
4226 prev_task.await.log_err();
4227 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4228 }
4229
4230 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4231 if editor.focus_handle.is_focused(window) {
4232 let multibuffer_point = action
4233 .deployed_from_indicator
4234 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4235 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4236 let (buffer, buffer_row) = snapshot
4237 .buffer_snapshot
4238 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4239 .and_then(|(buffer_snapshot, range)| {
4240 editor
4241 .buffer
4242 .read(cx)
4243 .buffer(buffer_snapshot.remote_id())
4244 .map(|buffer| (buffer, range.start.row))
4245 })?;
4246 let (_, code_actions) = editor
4247 .available_code_actions
4248 .clone()
4249 .and_then(|(location, code_actions)| {
4250 let snapshot = location.buffer.read(cx).snapshot();
4251 let point_range = location.range.to_point(&snapshot);
4252 let point_range = point_range.start.row..=point_range.end.row;
4253 if point_range.contains(&buffer_row) {
4254 Some((location, code_actions))
4255 } else {
4256 None
4257 }
4258 })
4259 .unzip();
4260 let buffer_id = buffer.read(cx).remote_id();
4261 let tasks = editor
4262 .tasks
4263 .get(&(buffer_id, buffer_row))
4264 .map(|t| Arc::new(t.to_owned()));
4265 if tasks.is_none() && code_actions.is_none() {
4266 return None;
4267 }
4268
4269 editor.completion_tasks.clear();
4270 editor.discard_inline_completion(false, cx);
4271 let task_context =
4272 tasks
4273 .as_ref()
4274 .zip(editor.project.clone())
4275 .map(|(tasks, project)| {
4276 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4277 });
4278
4279 Some(cx.spawn_in(window, |editor, mut cx| async move {
4280 let task_context = match task_context {
4281 Some(task_context) => task_context.await,
4282 None => None,
4283 };
4284 let resolved_tasks =
4285 tasks.zip(task_context).map(|(tasks, task_context)| {
4286 Rc::new(ResolvedTasks {
4287 templates: tasks.resolve(&task_context).collect(),
4288 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4289 multibuffer_point.row,
4290 tasks.column,
4291 )),
4292 })
4293 });
4294 let spawn_straight_away = resolved_tasks
4295 .as_ref()
4296 .map_or(false, |tasks| tasks.templates.len() == 1)
4297 && code_actions
4298 .as_ref()
4299 .map_or(true, |actions| actions.is_empty());
4300 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4301 *editor.context_menu.borrow_mut() =
4302 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4303 buffer,
4304 actions: CodeActionContents {
4305 tasks: resolved_tasks,
4306 actions: code_actions,
4307 },
4308 selected_item: Default::default(),
4309 scroll_handle: UniformListScrollHandle::default(),
4310 deployed_from_indicator,
4311 }));
4312 if spawn_straight_away {
4313 if let Some(task) = editor.confirm_code_action(
4314 &ConfirmCodeAction { item_ix: Some(0) },
4315 window,
4316 cx,
4317 ) {
4318 cx.notify();
4319 return task;
4320 }
4321 }
4322 cx.notify();
4323 Task::ready(Ok(()))
4324 }) {
4325 task.await
4326 } else {
4327 Ok(())
4328 }
4329 }))
4330 } else {
4331 Some(Task::ready(Ok(())))
4332 }
4333 })?;
4334 if let Some(task) = spawned_test_task {
4335 task.await?;
4336 }
4337
4338 Ok::<_, anyhow::Error>(())
4339 })
4340 .detach_and_log_err(cx);
4341 }
4342
4343 pub fn confirm_code_action(
4344 &mut self,
4345 action: &ConfirmCodeAction,
4346 window: &mut Window,
4347 cx: &mut Context<Self>,
4348 ) -> Option<Task<Result<()>>> {
4349 let actions_menu =
4350 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4351 menu
4352 } else {
4353 return None;
4354 };
4355 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4356 let action = actions_menu.actions.get(action_ix)?;
4357 let title = action.label();
4358 let buffer = actions_menu.buffer;
4359 let workspace = self.workspace()?;
4360
4361 match action {
4362 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4363 workspace.update(cx, |workspace, cx| {
4364 workspace::tasks::schedule_resolved_task(
4365 workspace,
4366 task_source_kind,
4367 resolved_task,
4368 false,
4369 cx,
4370 );
4371
4372 Some(Task::ready(Ok(())))
4373 })
4374 }
4375 CodeActionsItem::CodeAction {
4376 excerpt_id,
4377 action,
4378 provider,
4379 } => {
4380 let apply_code_action =
4381 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4382 let workspace = workspace.downgrade();
4383 Some(cx.spawn_in(window, |editor, cx| async move {
4384 let project_transaction = apply_code_action.await?;
4385 Self::open_project_transaction(
4386 &editor,
4387 workspace,
4388 project_transaction,
4389 title,
4390 cx,
4391 )
4392 .await
4393 }))
4394 }
4395 }
4396 }
4397
4398 pub async fn open_project_transaction(
4399 this: &WeakEntity<Editor>,
4400 workspace: WeakEntity<Workspace>,
4401 transaction: ProjectTransaction,
4402 title: String,
4403 mut cx: AsyncWindowContext,
4404 ) -> Result<()> {
4405 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4406 cx.update(|_, cx| {
4407 entries.sort_unstable_by_key(|(buffer, _)| {
4408 buffer.read(cx).file().map(|f| f.path().clone())
4409 });
4410 })?;
4411
4412 // If the project transaction's edits are all contained within this editor, then
4413 // avoid opening a new editor to display them.
4414
4415 if let Some((buffer, transaction)) = entries.first() {
4416 if entries.len() == 1 {
4417 let excerpt = this.update(&mut cx, |editor, cx| {
4418 editor
4419 .buffer()
4420 .read(cx)
4421 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4422 })?;
4423 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4424 if excerpted_buffer == *buffer {
4425 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4426 let excerpt_range = excerpt_range.to_offset(buffer);
4427 buffer
4428 .edited_ranges_for_transaction::<usize>(transaction)
4429 .all(|range| {
4430 excerpt_range.start <= range.start
4431 && excerpt_range.end >= range.end
4432 })
4433 })?;
4434
4435 if all_edits_within_excerpt {
4436 return Ok(());
4437 }
4438 }
4439 }
4440 }
4441 } else {
4442 return Ok(());
4443 }
4444
4445 let mut ranges_to_highlight = Vec::new();
4446 let excerpt_buffer = cx.new(|cx| {
4447 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4448 for (buffer_handle, transaction) in &entries {
4449 let buffer = buffer_handle.read(cx);
4450 ranges_to_highlight.extend(
4451 multibuffer.push_excerpts_with_context_lines(
4452 buffer_handle.clone(),
4453 buffer
4454 .edited_ranges_for_transaction::<usize>(transaction)
4455 .collect(),
4456 DEFAULT_MULTIBUFFER_CONTEXT,
4457 cx,
4458 ),
4459 );
4460 }
4461 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4462 multibuffer
4463 })?;
4464
4465 workspace.update_in(&mut cx, |workspace, window, cx| {
4466 let project = workspace.project().clone();
4467 let editor = cx
4468 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4469 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4470 editor.update(cx, |editor, cx| {
4471 editor.highlight_background::<Self>(
4472 &ranges_to_highlight,
4473 |theme| theme.editor_highlighted_line_background,
4474 cx,
4475 );
4476 });
4477 })?;
4478
4479 Ok(())
4480 }
4481
4482 pub fn clear_code_action_providers(&mut self) {
4483 self.code_action_providers.clear();
4484 self.available_code_actions.take();
4485 }
4486
4487 pub fn add_code_action_provider(
4488 &mut self,
4489 provider: Rc<dyn CodeActionProvider>,
4490 window: &mut Window,
4491 cx: &mut Context<Self>,
4492 ) {
4493 if self
4494 .code_action_providers
4495 .iter()
4496 .any(|existing_provider| existing_provider.id() == provider.id())
4497 {
4498 return;
4499 }
4500
4501 self.code_action_providers.push(provider);
4502 self.refresh_code_actions(window, cx);
4503 }
4504
4505 pub fn remove_code_action_provider(
4506 &mut self,
4507 id: Arc<str>,
4508 window: &mut Window,
4509 cx: &mut Context<Self>,
4510 ) {
4511 self.code_action_providers
4512 .retain(|provider| provider.id() != id);
4513 self.refresh_code_actions(window, cx);
4514 }
4515
4516 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4517 let buffer = self.buffer.read(cx);
4518 let newest_selection = self.selections.newest_anchor().clone();
4519 if newest_selection.head().diff_base_anchor.is_some() {
4520 return None;
4521 }
4522 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4523 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4524 if start_buffer != end_buffer {
4525 return None;
4526 }
4527
4528 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4529 cx.background_executor()
4530 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4531 .await;
4532
4533 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4534 let providers = this.code_action_providers.clone();
4535 let tasks = this
4536 .code_action_providers
4537 .iter()
4538 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4539 .collect::<Vec<_>>();
4540 (providers, tasks)
4541 })?;
4542
4543 let mut actions = Vec::new();
4544 for (provider, provider_actions) in
4545 providers.into_iter().zip(future::join_all(tasks).await)
4546 {
4547 if let Some(provider_actions) = provider_actions.log_err() {
4548 actions.extend(provider_actions.into_iter().map(|action| {
4549 AvailableCodeAction {
4550 excerpt_id: newest_selection.start.excerpt_id,
4551 action,
4552 provider: provider.clone(),
4553 }
4554 }));
4555 }
4556 }
4557
4558 this.update(&mut cx, |this, cx| {
4559 this.available_code_actions = if actions.is_empty() {
4560 None
4561 } else {
4562 Some((
4563 Location {
4564 buffer: start_buffer,
4565 range: start..end,
4566 },
4567 actions.into(),
4568 ))
4569 };
4570 cx.notify();
4571 })
4572 }));
4573 None
4574 }
4575
4576 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4577 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4578 self.show_git_blame_inline = false;
4579
4580 self.show_git_blame_inline_delay_task =
4581 Some(cx.spawn_in(window, |this, mut cx| async move {
4582 cx.background_executor().timer(delay).await;
4583
4584 this.update(&mut cx, |this, cx| {
4585 this.show_git_blame_inline = true;
4586 cx.notify();
4587 })
4588 .log_err();
4589 }));
4590 }
4591 }
4592
4593 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4594 if self.pending_rename.is_some() {
4595 return None;
4596 }
4597
4598 let provider = self.semantics_provider.clone()?;
4599 let buffer = self.buffer.read(cx);
4600 let newest_selection = self.selections.newest_anchor().clone();
4601 let cursor_position = newest_selection.head();
4602 let (cursor_buffer, cursor_buffer_position) =
4603 buffer.text_anchor_for_position(cursor_position, cx)?;
4604 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4605 if cursor_buffer != tail_buffer {
4606 return None;
4607 }
4608 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4609 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4610 cx.background_executor()
4611 .timer(Duration::from_millis(debounce))
4612 .await;
4613
4614 let highlights = if let Some(highlights) = cx
4615 .update(|cx| {
4616 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4617 })
4618 .ok()
4619 .flatten()
4620 {
4621 highlights.await.log_err()
4622 } else {
4623 None
4624 };
4625
4626 if let Some(highlights) = highlights {
4627 this.update(&mut cx, |this, cx| {
4628 if this.pending_rename.is_some() {
4629 return;
4630 }
4631
4632 let buffer_id = cursor_position.buffer_id;
4633 let buffer = this.buffer.read(cx);
4634 if !buffer
4635 .text_anchor_for_position(cursor_position, cx)
4636 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4637 {
4638 return;
4639 }
4640
4641 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4642 let mut write_ranges = Vec::new();
4643 let mut read_ranges = Vec::new();
4644 for highlight in highlights {
4645 for (excerpt_id, excerpt_range) in
4646 buffer.excerpts_for_buffer(cursor_buffer.read(cx).remote_id(), cx)
4647 {
4648 let start = highlight
4649 .range
4650 .start
4651 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4652 let end = highlight
4653 .range
4654 .end
4655 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4656 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4657 continue;
4658 }
4659
4660 let range = Anchor {
4661 buffer_id,
4662 excerpt_id,
4663 text_anchor: start,
4664 diff_base_anchor: None,
4665 }..Anchor {
4666 buffer_id,
4667 excerpt_id,
4668 text_anchor: end,
4669 diff_base_anchor: None,
4670 };
4671 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4672 write_ranges.push(range);
4673 } else {
4674 read_ranges.push(range);
4675 }
4676 }
4677 }
4678
4679 this.highlight_background::<DocumentHighlightRead>(
4680 &read_ranges,
4681 |theme| theme.editor_document_highlight_read_background,
4682 cx,
4683 );
4684 this.highlight_background::<DocumentHighlightWrite>(
4685 &write_ranges,
4686 |theme| theme.editor_document_highlight_write_background,
4687 cx,
4688 );
4689 cx.notify();
4690 })
4691 .log_err();
4692 }
4693 }));
4694 None
4695 }
4696
4697 pub fn refresh_inline_completion(
4698 &mut self,
4699 debounce: bool,
4700 user_requested: bool,
4701 window: &mut Window,
4702 cx: &mut Context<Self>,
4703 ) -> Option<()> {
4704 let provider = self.edit_prediction_provider()?;
4705 let cursor = self.selections.newest_anchor().head();
4706 let (buffer, cursor_buffer_position) =
4707 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4708
4709 if !self.inline_completions_enabled_in_buffer(&buffer, cursor_buffer_position, cx) {
4710 self.discard_inline_completion(false, cx);
4711 return None;
4712 }
4713
4714 if !user_requested
4715 && (!self.should_show_edit_predictions()
4716 || !self.is_focused(window)
4717 || buffer.read(cx).is_empty())
4718 {
4719 self.discard_inline_completion(false, cx);
4720 return None;
4721 }
4722
4723 self.update_visible_inline_completion(window, cx);
4724 provider.refresh(
4725 self.project.clone(),
4726 buffer,
4727 cursor_buffer_position,
4728 debounce,
4729 cx,
4730 );
4731 Some(())
4732 }
4733
4734 fn show_edit_predictions_in_menu(&self) -> bool {
4735 match self.edit_prediction_settings {
4736 EditPredictionSettings::Disabled => false,
4737 EditPredictionSettings::Enabled { show_in_menu, .. } => show_in_menu,
4738 }
4739 }
4740
4741 pub fn edit_predictions_enabled(&self) -> bool {
4742 match self.edit_prediction_settings {
4743 EditPredictionSettings::Disabled => false,
4744 EditPredictionSettings::Enabled { .. } => true,
4745 }
4746 }
4747
4748 fn edit_prediction_requires_modifier(&self) -> bool {
4749 match self.edit_prediction_settings {
4750 EditPredictionSettings::Disabled => false,
4751 EditPredictionSettings::Enabled {
4752 preview_requires_modifier,
4753 ..
4754 } => preview_requires_modifier,
4755 }
4756 }
4757
4758 fn edit_prediction_settings_at_position(
4759 &self,
4760 buffer: &Entity<Buffer>,
4761 buffer_position: language::Anchor,
4762 cx: &App,
4763 ) -> EditPredictionSettings {
4764 if self.mode != EditorMode::Full
4765 || !self.show_inline_completions_override.unwrap_or(true)
4766 || self.inline_completions_disabled_in_scope(buffer, buffer_position, cx)
4767 {
4768 return EditPredictionSettings::Disabled;
4769 }
4770
4771 let buffer = buffer.read(cx);
4772
4773 let file = buffer.file();
4774
4775 if !language_settings(buffer.language().map(|l| l.name()), file, cx).show_edit_predictions {
4776 return EditPredictionSettings::Disabled;
4777 };
4778
4779 let by_provider = matches!(
4780 self.menu_inline_completions_policy,
4781 MenuInlineCompletionsPolicy::ByProvider
4782 );
4783
4784 let show_in_menu = by_provider
4785 && self
4786 .edit_prediction_provider
4787 .as_ref()
4788 .map_or(false, |provider| {
4789 provider.provider.show_completions_in_menu()
4790 });
4791
4792 let preview_requires_modifier =
4793 all_language_settings(file, cx).edit_predictions_mode() == EditPredictionsMode::Auto;
4794
4795 EditPredictionSettings::Enabled {
4796 show_in_menu,
4797 preview_requires_modifier,
4798 }
4799 }
4800
4801 fn should_show_edit_predictions(&self) -> bool {
4802 self.snippet_stack.is_empty() && self.edit_predictions_enabled()
4803 }
4804
4805 pub fn edit_prediction_preview_is_active(&self) -> bool {
4806 matches!(
4807 self.edit_prediction_preview,
4808 EditPredictionPreview::Active { .. }
4809 )
4810 }
4811
4812 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
4813 let cursor = self.selections.newest_anchor().head();
4814 if let Some((buffer, cursor_position)) =
4815 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
4816 {
4817 self.inline_completions_enabled_in_buffer(&buffer, cursor_position, cx)
4818 } else {
4819 false
4820 }
4821 }
4822
4823 fn inline_completions_enabled_in_buffer(
4824 &self,
4825 buffer: &Entity<Buffer>,
4826 buffer_position: language::Anchor,
4827 cx: &App,
4828 ) -> bool {
4829 maybe!({
4830 let provider = self.edit_prediction_provider()?;
4831 if !provider.is_enabled(&buffer, buffer_position, cx) {
4832 return Some(false);
4833 }
4834 let buffer = buffer.read(cx);
4835 let Some(file) = buffer.file() else {
4836 return Some(true);
4837 };
4838 let settings = all_language_settings(Some(file), cx);
4839 Some(settings.inline_completions_enabled_for_path(file.path()))
4840 })
4841 .unwrap_or(false)
4842 }
4843
4844 fn cycle_inline_completion(
4845 &mut self,
4846 direction: Direction,
4847 window: &mut Window,
4848 cx: &mut Context<Self>,
4849 ) -> Option<()> {
4850 let provider = self.edit_prediction_provider()?;
4851 let cursor = self.selections.newest_anchor().head();
4852 let (buffer, cursor_buffer_position) =
4853 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4854 if self.inline_completions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
4855 return None;
4856 }
4857
4858 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4859 self.update_visible_inline_completion(window, cx);
4860
4861 Some(())
4862 }
4863
4864 pub fn show_inline_completion(
4865 &mut self,
4866 _: &ShowEditPrediction,
4867 window: &mut Window,
4868 cx: &mut Context<Self>,
4869 ) {
4870 if !self.has_active_inline_completion() {
4871 self.refresh_inline_completion(false, true, window, cx);
4872 return;
4873 }
4874
4875 self.update_visible_inline_completion(window, cx);
4876 }
4877
4878 pub fn display_cursor_names(
4879 &mut self,
4880 _: &DisplayCursorNames,
4881 window: &mut Window,
4882 cx: &mut Context<Self>,
4883 ) {
4884 self.show_cursor_names(window, cx);
4885 }
4886
4887 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4888 self.show_cursor_names = true;
4889 cx.notify();
4890 cx.spawn_in(window, |this, mut cx| async move {
4891 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4892 this.update(&mut cx, |this, cx| {
4893 this.show_cursor_names = false;
4894 cx.notify()
4895 })
4896 .ok()
4897 })
4898 .detach();
4899 }
4900
4901 pub fn next_edit_prediction(
4902 &mut self,
4903 _: &NextEditPrediction,
4904 window: &mut Window,
4905 cx: &mut Context<Self>,
4906 ) {
4907 if self.has_active_inline_completion() {
4908 self.cycle_inline_completion(Direction::Next, window, cx);
4909 } else {
4910 let is_copilot_disabled = self
4911 .refresh_inline_completion(false, true, window, cx)
4912 .is_none();
4913 if is_copilot_disabled {
4914 cx.propagate();
4915 }
4916 }
4917 }
4918
4919 pub fn previous_edit_prediction(
4920 &mut self,
4921 _: &PreviousEditPrediction,
4922 window: &mut Window,
4923 cx: &mut Context<Self>,
4924 ) {
4925 if self.has_active_inline_completion() {
4926 self.cycle_inline_completion(Direction::Prev, 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 accept_edit_prediction(
4938 &mut self,
4939 _: &AcceptEditPrediction,
4940 window: &mut Window,
4941 cx: &mut Context<Self>,
4942 ) {
4943 if self.show_edit_predictions_in_menu() {
4944 self.hide_context_menu(window, cx);
4945 }
4946
4947 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4948 return;
4949 };
4950
4951 self.report_inline_completion_event(
4952 active_inline_completion.completion_id.clone(),
4953 true,
4954 cx,
4955 );
4956
4957 match &active_inline_completion.completion {
4958 InlineCompletion::Move { target, .. } => {
4959 let target = *target;
4960
4961 if let Some(position_map) = &self.last_position_map {
4962 if position_map
4963 .visible_row_range
4964 .contains(&target.to_display_point(&position_map.snapshot).row())
4965 || !self.edit_prediction_requires_modifier()
4966 {
4967 // Note that this is also done in vim's handler of the Tab action.
4968 self.change_selections(
4969 Some(Autoscroll::newest()),
4970 window,
4971 cx,
4972 |selections| {
4973 selections.select_anchor_ranges([target..target]);
4974 },
4975 );
4976 self.clear_row_highlights::<EditPredictionPreview>();
4977
4978 self.edit_prediction_preview = EditPredictionPreview::Active {
4979 previous_scroll_position: None,
4980 };
4981 } else {
4982 self.edit_prediction_preview = EditPredictionPreview::Active {
4983 previous_scroll_position: Some(position_map.snapshot.scroll_anchor),
4984 };
4985 self.highlight_rows::<EditPredictionPreview>(
4986 target..target,
4987 cx.theme().colors().editor_highlighted_line_background,
4988 true,
4989 cx,
4990 );
4991 self.request_autoscroll(Autoscroll::fit(), cx);
4992 }
4993 }
4994 }
4995 InlineCompletion::Edit { edits, .. } => {
4996 if let Some(provider) = self.edit_prediction_provider() {
4997 provider.accept(cx);
4998 }
4999
5000 let snapshot = self.buffer.read(cx).snapshot(cx);
5001 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
5002
5003 self.buffer.update(cx, |buffer, cx| {
5004 buffer.edit(edits.iter().cloned(), None, cx)
5005 });
5006
5007 self.change_selections(None, window, cx, |s| {
5008 s.select_anchor_ranges([last_edit_end..last_edit_end])
5009 });
5010
5011 self.update_visible_inline_completion(window, cx);
5012 if self.active_inline_completion.is_none() {
5013 self.refresh_inline_completion(true, true, window, cx);
5014 }
5015
5016 cx.notify();
5017 }
5018 }
5019
5020 self.edit_prediction_requires_modifier_in_leading_space = false;
5021 }
5022
5023 pub fn accept_partial_inline_completion(
5024 &mut self,
5025 _: &AcceptPartialEditPrediction,
5026 window: &mut Window,
5027 cx: &mut Context<Self>,
5028 ) {
5029 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
5030 return;
5031 };
5032 if self.selections.count() != 1 {
5033 return;
5034 }
5035
5036 self.report_inline_completion_event(
5037 active_inline_completion.completion_id.clone(),
5038 true,
5039 cx,
5040 );
5041
5042 match &active_inline_completion.completion {
5043 InlineCompletion::Move { target, .. } => {
5044 let target = *target;
5045 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
5046 selections.select_anchor_ranges([target..target]);
5047 });
5048 }
5049 InlineCompletion::Edit { edits, .. } => {
5050 // Find an insertion that starts at the cursor position.
5051 let snapshot = self.buffer.read(cx).snapshot(cx);
5052 let cursor_offset = self.selections.newest::<usize>(cx).head();
5053 let insertion = edits.iter().find_map(|(range, text)| {
5054 let range = range.to_offset(&snapshot);
5055 if range.is_empty() && range.start == cursor_offset {
5056 Some(text)
5057 } else {
5058 None
5059 }
5060 });
5061
5062 if let Some(text) = insertion {
5063 let mut partial_completion = text
5064 .chars()
5065 .by_ref()
5066 .take_while(|c| c.is_alphabetic())
5067 .collect::<String>();
5068 if partial_completion.is_empty() {
5069 partial_completion = text
5070 .chars()
5071 .by_ref()
5072 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
5073 .collect::<String>();
5074 }
5075
5076 cx.emit(EditorEvent::InputHandled {
5077 utf16_range_to_replace: None,
5078 text: partial_completion.clone().into(),
5079 });
5080
5081 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
5082
5083 self.refresh_inline_completion(true, true, window, cx);
5084 cx.notify();
5085 } else {
5086 self.accept_edit_prediction(&Default::default(), window, cx);
5087 }
5088 }
5089 }
5090 }
5091
5092 fn discard_inline_completion(
5093 &mut self,
5094 should_report_inline_completion_event: bool,
5095 cx: &mut Context<Self>,
5096 ) -> bool {
5097 if should_report_inline_completion_event {
5098 let completion_id = self
5099 .active_inline_completion
5100 .as_ref()
5101 .and_then(|active_completion| active_completion.completion_id.clone());
5102
5103 self.report_inline_completion_event(completion_id, false, cx);
5104 }
5105
5106 if let Some(provider) = self.edit_prediction_provider() {
5107 provider.discard(cx);
5108 }
5109
5110 self.take_active_inline_completion(cx)
5111 }
5112
5113 fn report_inline_completion_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
5114 let Some(provider) = self.edit_prediction_provider() else {
5115 return;
5116 };
5117
5118 let Some((_, buffer, _)) = self
5119 .buffer
5120 .read(cx)
5121 .excerpt_containing(self.selections.newest_anchor().head(), cx)
5122 else {
5123 return;
5124 };
5125
5126 let extension = buffer
5127 .read(cx)
5128 .file()
5129 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
5130
5131 let event_type = match accepted {
5132 true => "Edit Prediction Accepted",
5133 false => "Edit Prediction Discarded",
5134 };
5135 telemetry::event!(
5136 event_type,
5137 provider = provider.name(),
5138 prediction_id = id,
5139 suggestion_accepted = accepted,
5140 file_extension = extension,
5141 );
5142 }
5143
5144 pub fn has_active_inline_completion(&self) -> bool {
5145 self.active_inline_completion.is_some()
5146 }
5147
5148 fn take_active_inline_completion(&mut self, cx: &mut Context<Self>) -> bool {
5149 let Some(active_inline_completion) = self.active_inline_completion.take() else {
5150 return false;
5151 };
5152
5153 self.splice_inlays(&active_inline_completion.inlay_ids, Default::default(), cx);
5154 self.clear_highlights::<InlineCompletionHighlight>(cx);
5155 self.stale_inline_completion_in_menu = Some(active_inline_completion);
5156 true
5157 }
5158
5159 /// Returns true when we're displaying the edit prediction popover below the cursor
5160 /// like we are not previewing and the LSP autocomplete menu is visible
5161 /// or we are in `when_holding_modifier` mode.
5162 pub fn edit_prediction_visible_in_cursor_popover(&self, has_completion: bool) -> bool {
5163 if self.edit_prediction_preview_is_active()
5164 || !self.show_edit_predictions_in_menu()
5165 || !self.edit_predictions_enabled()
5166 {
5167 return false;
5168 }
5169
5170 if self.has_visible_completions_menu() {
5171 return true;
5172 }
5173
5174 has_completion && self.edit_prediction_requires_modifier()
5175 }
5176
5177 fn handle_modifiers_changed(
5178 &mut self,
5179 modifiers: Modifiers,
5180 position_map: &PositionMap,
5181 window: &mut Window,
5182 cx: &mut Context<Self>,
5183 ) {
5184 if self.show_edit_predictions_in_menu() {
5185 self.update_edit_prediction_preview(&modifiers, window, cx);
5186 }
5187
5188 let mouse_position = window.mouse_position();
5189 if !position_map.text_hitbox.is_hovered(window) {
5190 return;
5191 }
5192
5193 self.update_hovered_link(
5194 position_map.point_for_position(mouse_position),
5195 &position_map.snapshot,
5196 modifiers,
5197 window,
5198 cx,
5199 )
5200 }
5201
5202 fn update_edit_prediction_preview(
5203 &mut self,
5204 modifiers: &Modifiers,
5205 window: &mut Window,
5206 cx: &mut Context<Self>,
5207 ) {
5208 let accept_keybind = self.accept_edit_prediction_keybind(window, cx);
5209 let Some(accept_keystroke) = accept_keybind.keystroke() else {
5210 return;
5211 };
5212
5213 if &accept_keystroke.modifiers == modifiers && accept_keystroke.modifiers.modified() {
5214 if matches!(
5215 self.edit_prediction_preview,
5216 EditPredictionPreview::Inactive
5217 ) {
5218 self.edit_prediction_preview = EditPredictionPreview::Active {
5219 previous_scroll_position: None,
5220 };
5221
5222 self.update_visible_inline_completion(window, cx);
5223 cx.notify();
5224 }
5225 } else if let EditPredictionPreview::Active {
5226 previous_scroll_position,
5227 } = self.edit_prediction_preview
5228 {
5229 if let (Some(previous_scroll_position), Some(position_map)) =
5230 (previous_scroll_position, self.last_position_map.as_ref())
5231 {
5232 self.set_scroll_position(
5233 previous_scroll_position
5234 .scroll_position(&position_map.snapshot.display_snapshot),
5235 window,
5236 cx,
5237 );
5238 }
5239
5240 self.edit_prediction_preview = EditPredictionPreview::Inactive;
5241 self.clear_row_highlights::<EditPredictionPreview>();
5242 self.update_visible_inline_completion(window, cx);
5243 cx.notify();
5244 }
5245 }
5246
5247 fn update_visible_inline_completion(
5248 &mut self,
5249 _window: &mut Window,
5250 cx: &mut Context<Self>,
5251 ) -> Option<()> {
5252 let selection = self.selections.newest_anchor();
5253 let cursor = selection.head();
5254 let multibuffer = self.buffer.read(cx).snapshot(cx);
5255 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5256 let excerpt_id = cursor.excerpt_id;
5257
5258 let show_in_menu = self.show_edit_predictions_in_menu();
5259 let completions_menu_has_precedence = !show_in_menu
5260 && (self.context_menu.borrow().is_some()
5261 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5262
5263 if completions_menu_has_precedence
5264 || !offset_selection.is_empty()
5265 || self
5266 .active_inline_completion
5267 .as_ref()
5268 .map_or(false, |completion| {
5269 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5270 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5271 !invalidation_range.contains(&offset_selection.head())
5272 })
5273 {
5274 self.discard_inline_completion(false, cx);
5275 return None;
5276 }
5277
5278 self.take_active_inline_completion(cx);
5279 let Some(provider) = self.edit_prediction_provider() else {
5280 self.edit_prediction_settings = EditPredictionSettings::Disabled;
5281 return None;
5282 };
5283
5284 let (buffer, cursor_buffer_position) =
5285 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5286
5287 self.edit_prediction_settings =
5288 self.edit_prediction_settings_at_position(&buffer, cursor_buffer_position, cx);
5289
5290 if !self.edit_prediction_settings.is_enabled() {
5291 self.discard_inline_completion(false, cx);
5292 return None;
5293 }
5294
5295 self.edit_prediction_cursor_on_leading_whitespace =
5296 multibuffer.is_line_whitespace_upto(cursor);
5297
5298 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5299 let edits = inline_completion
5300 .edits
5301 .into_iter()
5302 .flat_map(|(range, new_text)| {
5303 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5304 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5305 Some((start..end, new_text))
5306 })
5307 .collect::<Vec<_>>();
5308 if edits.is_empty() {
5309 return None;
5310 }
5311
5312 let first_edit_start = edits.first().unwrap().0.start;
5313 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5314 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5315
5316 let last_edit_end = edits.last().unwrap().0.end;
5317 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5318 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5319
5320 let cursor_row = cursor.to_point(&multibuffer).row;
5321
5322 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5323
5324 let mut inlay_ids = Vec::new();
5325 let invalidation_row_range;
5326 let move_invalidation_row_range = if cursor_row < edit_start_row {
5327 Some(cursor_row..edit_end_row)
5328 } else if cursor_row > edit_end_row {
5329 Some(edit_start_row..cursor_row)
5330 } else {
5331 None
5332 };
5333 let is_move =
5334 move_invalidation_row_range.is_some() || self.inline_completions_hidden_for_vim_mode;
5335 let completion = if is_move {
5336 invalidation_row_range =
5337 move_invalidation_row_range.unwrap_or(edit_start_row..edit_end_row);
5338 let target = first_edit_start;
5339 InlineCompletion::Move { target, snapshot }
5340 } else {
5341 let show_completions_in_buffer = !self.edit_prediction_visible_in_cursor_popover(true)
5342 && !self.inline_completions_hidden_for_vim_mode;
5343
5344 if show_completions_in_buffer {
5345 if edits
5346 .iter()
5347 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5348 {
5349 let mut inlays = Vec::new();
5350 for (range, new_text) in &edits {
5351 let inlay = Inlay::inline_completion(
5352 post_inc(&mut self.next_inlay_id),
5353 range.start,
5354 new_text.as_str(),
5355 );
5356 inlay_ids.push(inlay.id);
5357 inlays.push(inlay);
5358 }
5359
5360 self.splice_inlays(&[], inlays, cx);
5361 } else {
5362 let background_color = cx.theme().status().deleted_background;
5363 self.highlight_text::<InlineCompletionHighlight>(
5364 edits.iter().map(|(range, _)| range.clone()).collect(),
5365 HighlightStyle {
5366 background_color: Some(background_color),
5367 ..Default::default()
5368 },
5369 cx,
5370 );
5371 }
5372 }
5373
5374 invalidation_row_range = edit_start_row..edit_end_row;
5375
5376 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5377 if provider.show_tab_accept_marker() {
5378 EditDisplayMode::TabAccept
5379 } else {
5380 EditDisplayMode::Inline
5381 }
5382 } else {
5383 EditDisplayMode::DiffPopover
5384 };
5385
5386 InlineCompletion::Edit {
5387 edits,
5388 edit_preview: inline_completion.edit_preview,
5389 display_mode,
5390 snapshot,
5391 }
5392 };
5393
5394 let invalidation_range = multibuffer
5395 .anchor_before(Point::new(invalidation_row_range.start, 0))
5396 ..multibuffer.anchor_after(Point::new(
5397 invalidation_row_range.end,
5398 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5399 ));
5400
5401 self.stale_inline_completion_in_menu = None;
5402 self.active_inline_completion = Some(InlineCompletionState {
5403 inlay_ids,
5404 completion,
5405 completion_id: inline_completion.id,
5406 invalidation_range,
5407 });
5408
5409 cx.notify();
5410
5411 Some(())
5412 }
5413
5414 pub fn edit_prediction_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5415 Some(self.edit_prediction_provider.as_ref()?.provider.clone())
5416 }
5417
5418 fn render_code_actions_indicator(
5419 &self,
5420 _style: &EditorStyle,
5421 row: DisplayRow,
5422 is_active: bool,
5423 cx: &mut Context<Self>,
5424 ) -> Option<IconButton> {
5425 if self.available_code_actions.is_some() {
5426 Some(
5427 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5428 .shape(ui::IconButtonShape::Square)
5429 .icon_size(IconSize::XSmall)
5430 .icon_color(Color::Muted)
5431 .toggle_state(is_active)
5432 .tooltip({
5433 let focus_handle = self.focus_handle.clone();
5434 move |window, cx| {
5435 Tooltip::for_action_in(
5436 "Toggle Code Actions",
5437 &ToggleCodeActions {
5438 deployed_from_indicator: None,
5439 },
5440 &focus_handle,
5441 window,
5442 cx,
5443 )
5444 }
5445 })
5446 .on_click(cx.listener(move |editor, _e, window, cx| {
5447 window.focus(&editor.focus_handle(cx));
5448 editor.toggle_code_actions(
5449 &ToggleCodeActions {
5450 deployed_from_indicator: Some(row),
5451 },
5452 window,
5453 cx,
5454 );
5455 })),
5456 )
5457 } else {
5458 None
5459 }
5460 }
5461
5462 fn clear_tasks(&mut self) {
5463 self.tasks.clear()
5464 }
5465
5466 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5467 if self.tasks.insert(key, value).is_some() {
5468 // This case should hopefully be rare, but just in case...
5469 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5470 }
5471 }
5472
5473 fn build_tasks_context(
5474 project: &Entity<Project>,
5475 buffer: &Entity<Buffer>,
5476 buffer_row: u32,
5477 tasks: &Arc<RunnableTasks>,
5478 cx: &mut Context<Self>,
5479 ) -> Task<Option<task::TaskContext>> {
5480 let position = Point::new(buffer_row, tasks.column);
5481 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5482 let location = Location {
5483 buffer: buffer.clone(),
5484 range: range_start..range_start,
5485 };
5486 // Fill in the environmental variables from the tree-sitter captures
5487 let mut captured_task_variables = TaskVariables::default();
5488 for (capture_name, value) in tasks.extra_variables.clone() {
5489 captured_task_variables.insert(
5490 task::VariableName::Custom(capture_name.into()),
5491 value.clone(),
5492 );
5493 }
5494 project.update(cx, |project, cx| {
5495 project.task_store().update(cx, |task_store, cx| {
5496 task_store.task_context_for_location(captured_task_variables, location, cx)
5497 })
5498 })
5499 }
5500
5501 pub fn spawn_nearest_task(
5502 &mut self,
5503 action: &SpawnNearestTask,
5504 window: &mut Window,
5505 cx: &mut Context<Self>,
5506 ) {
5507 let Some((workspace, _)) = self.workspace.clone() else {
5508 return;
5509 };
5510 let Some(project) = self.project.clone() else {
5511 return;
5512 };
5513
5514 // Try to find a closest, enclosing node using tree-sitter that has a
5515 // task
5516 let Some((buffer, buffer_row, tasks)) = self
5517 .find_enclosing_node_task(cx)
5518 // Or find the task that's closest in row-distance.
5519 .or_else(|| self.find_closest_task(cx))
5520 else {
5521 return;
5522 };
5523
5524 let reveal_strategy = action.reveal;
5525 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5526 cx.spawn_in(window, |_, mut cx| async move {
5527 let context = task_context.await?;
5528 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5529
5530 let resolved = resolved_task.resolved.as_mut()?;
5531 resolved.reveal = reveal_strategy;
5532
5533 workspace
5534 .update(&mut cx, |workspace, cx| {
5535 workspace::tasks::schedule_resolved_task(
5536 workspace,
5537 task_source_kind,
5538 resolved_task,
5539 false,
5540 cx,
5541 );
5542 })
5543 .ok()
5544 })
5545 .detach();
5546 }
5547
5548 fn find_closest_task(
5549 &mut self,
5550 cx: &mut Context<Self>,
5551 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5552 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5553
5554 let ((buffer_id, row), tasks) = self
5555 .tasks
5556 .iter()
5557 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5558
5559 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5560 let tasks = Arc::new(tasks.to_owned());
5561 Some((buffer, *row, tasks))
5562 }
5563
5564 fn find_enclosing_node_task(
5565 &mut self,
5566 cx: &mut Context<Self>,
5567 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5568 let snapshot = self.buffer.read(cx).snapshot(cx);
5569 let offset = self.selections.newest::<usize>(cx).head();
5570 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5571 let buffer_id = excerpt.buffer().remote_id();
5572
5573 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5574 let mut cursor = layer.node().walk();
5575
5576 while cursor.goto_first_child_for_byte(offset).is_some() {
5577 if cursor.node().end_byte() == offset {
5578 cursor.goto_next_sibling();
5579 }
5580 }
5581
5582 // Ascend to the smallest ancestor that contains the range and has a task.
5583 loop {
5584 let node = cursor.node();
5585 let node_range = node.byte_range();
5586 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5587
5588 // Check if this node contains our offset
5589 if node_range.start <= offset && node_range.end >= offset {
5590 // If it contains offset, check for task
5591 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5592 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5593 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5594 }
5595 }
5596
5597 if !cursor.goto_parent() {
5598 break;
5599 }
5600 }
5601 None
5602 }
5603
5604 fn render_run_indicator(
5605 &self,
5606 _style: &EditorStyle,
5607 is_active: bool,
5608 row: DisplayRow,
5609 cx: &mut Context<Self>,
5610 ) -> IconButton {
5611 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5612 .shape(ui::IconButtonShape::Square)
5613 .icon_size(IconSize::XSmall)
5614 .icon_color(Color::Muted)
5615 .toggle_state(is_active)
5616 .on_click(cx.listener(move |editor, _e, window, cx| {
5617 window.focus(&editor.focus_handle(cx));
5618 editor.toggle_code_actions(
5619 &ToggleCodeActions {
5620 deployed_from_indicator: Some(row),
5621 },
5622 window,
5623 cx,
5624 );
5625 }))
5626 }
5627
5628 pub fn context_menu_visible(&self) -> bool {
5629 !self.edit_prediction_preview_is_active()
5630 && self
5631 .context_menu
5632 .borrow()
5633 .as_ref()
5634 .map_or(false, |menu| menu.visible())
5635 }
5636
5637 fn context_menu_origin(&self) -> Option<ContextMenuOrigin> {
5638 self.context_menu
5639 .borrow()
5640 .as_ref()
5641 .map(|menu| menu.origin())
5642 }
5643
5644 fn edit_prediction_cursor_popover_height(&self) -> Pixels {
5645 px(30.)
5646 }
5647
5648 fn current_user_player_color(&self, cx: &mut App) -> PlayerColor {
5649 if self.read_only(cx) {
5650 cx.theme().players().read_only()
5651 } else {
5652 self.style.as_ref().unwrap().local_player
5653 }
5654 }
5655
5656 fn render_edit_prediction_accept_keybind(&self, window: &mut Window, cx: &App) -> Option<Div> {
5657 let accept_binding = self.accept_edit_prediction_keybind(window, cx);
5658 let accept_keystroke = accept_binding.keystroke()?;
5659 let colors = cx.theme().colors();
5660 let accent_color = colors.text_accent;
5661 let editor_bg_color = colors.editor_background;
5662 let bg_color = editor_bg_color.blend(accent_color.opacity(0.1));
5663
5664 h_flex()
5665 .px_0p5()
5666 .gap_1()
5667 .bg(bg_color)
5668 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5669 .text_size(TextSize::XSmall.rems(cx))
5670 .children(ui::render_modifiers(
5671 &accept_keystroke.modifiers,
5672 PlatformStyle::platform(),
5673 Some(if accept_keystroke.modifiers == window.modifiers() {
5674 Color::Accent
5675 } else {
5676 Color::Muted
5677 }),
5678 Some(IconSize::XSmall.rems().into()),
5679 false,
5680 ))
5681 .child(accept_keystroke.key.clone())
5682 .into()
5683 }
5684
5685 fn render_edit_prediction_line_popover(
5686 &self,
5687 label: impl Into<SharedString>,
5688 icon: Option<IconName>,
5689 window: &mut Window,
5690 cx: &App,
5691 ) -> Option<Div> {
5692 let bg_color = Self::edit_prediction_line_popover_bg_color(cx);
5693
5694 let padding_right = if icon.is_some() { px(4.) } else { px(8.) };
5695
5696 let result = h_flex()
5697 .gap_1()
5698 .border_1()
5699 .rounded_lg()
5700 .shadow_sm()
5701 .bg(bg_color)
5702 .border_color(cx.theme().colors().text_accent.opacity(0.4))
5703 .py_0p5()
5704 .pl_1()
5705 .pr(padding_right)
5706 .children(self.render_edit_prediction_accept_keybind(window, cx))
5707 .child(Label::new(label).size(LabelSize::Small))
5708 .when_some(icon, |element, icon| {
5709 element.child(
5710 div()
5711 .mt(px(1.5))
5712 .child(Icon::new(icon).size(IconSize::Small)),
5713 )
5714 });
5715
5716 Some(result)
5717 }
5718
5719 fn edit_prediction_line_popover_bg_color(cx: &App) -> Hsla {
5720 let accent_color = cx.theme().colors().text_accent;
5721 let editor_bg_color = cx.theme().colors().editor_background;
5722 editor_bg_color.blend(accent_color.opacity(0.1))
5723 }
5724
5725 #[allow(clippy::too_many_arguments)]
5726 fn render_edit_prediction_cursor_popover(
5727 &self,
5728 min_width: Pixels,
5729 max_width: Pixels,
5730 cursor_point: Point,
5731 style: &EditorStyle,
5732 accept_keystroke: &gpui::Keystroke,
5733 _window: &Window,
5734 cx: &mut Context<Editor>,
5735 ) -> Option<AnyElement> {
5736 let provider = self.edit_prediction_provider.as_ref()?;
5737
5738 if provider.provider.needs_terms_acceptance(cx) {
5739 return Some(
5740 h_flex()
5741 .min_w(min_width)
5742 .flex_1()
5743 .px_2()
5744 .py_1()
5745 .gap_3()
5746 .elevation_2(cx)
5747 .hover(|style| style.bg(cx.theme().colors().element_hover))
5748 .id("accept-terms")
5749 .cursor_pointer()
5750 .on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
5751 .on_click(cx.listener(|this, _event, window, cx| {
5752 cx.stop_propagation();
5753 this.report_editor_event("Edit Prediction Provider ToS Clicked", None, cx);
5754 window.dispatch_action(
5755 zed_actions::OpenZedPredictOnboarding.boxed_clone(),
5756 cx,
5757 );
5758 }))
5759 .child(
5760 h_flex()
5761 .flex_1()
5762 .gap_2()
5763 .child(Icon::new(IconName::ZedPredict))
5764 .child(Label::new("Accept Terms of Service"))
5765 .child(div().w_full())
5766 .child(
5767 Icon::new(IconName::ArrowUpRight)
5768 .color(Color::Muted)
5769 .size(IconSize::Small),
5770 )
5771 .into_any_element(),
5772 )
5773 .into_any(),
5774 );
5775 }
5776
5777 let is_refreshing = provider.provider.is_refreshing(cx);
5778
5779 fn pending_completion_container() -> Div {
5780 h_flex()
5781 .h_full()
5782 .flex_1()
5783 .gap_2()
5784 .child(Icon::new(IconName::ZedPredict))
5785 }
5786
5787 let completion = match &self.active_inline_completion {
5788 Some(completion) => match &completion.completion {
5789 InlineCompletion::Move {
5790 target, snapshot, ..
5791 } if !self.has_visible_completions_menu() => {
5792 use text::ToPoint as _;
5793
5794 return Some(
5795 h_flex()
5796 .px_2()
5797 .py_1()
5798 .elevation_2(cx)
5799 .border_color(cx.theme().colors().border)
5800 .rounded_tl(px(0.))
5801 .gap_2()
5802 .child(
5803 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5804 Icon::new(IconName::ZedPredictDown)
5805 } else {
5806 Icon::new(IconName::ZedPredictUp)
5807 },
5808 )
5809 .child(Label::new("Hold").size(LabelSize::Small))
5810 .children(ui::render_modifiers(
5811 &accept_keystroke.modifiers,
5812 PlatformStyle::platform(),
5813 Some(Color::Default),
5814 Some(IconSize::Small.rems().into()),
5815 true,
5816 ))
5817 .into_any(),
5818 );
5819 }
5820 _ => self.render_edit_prediction_cursor_popover_preview(
5821 completion,
5822 cursor_point,
5823 style,
5824 cx,
5825 )?,
5826 },
5827
5828 None if is_refreshing => match &self.stale_inline_completion_in_menu {
5829 Some(stale_completion) => self.render_edit_prediction_cursor_popover_preview(
5830 stale_completion,
5831 cursor_point,
5832 style,
5833 cx,
5834 )?,
5835
5836 None => {
5837 pending_completion_container().child(Label::new("...").size(LabelSize::Small))
5838 }
5839 },
5840
5841 None => pending_completion_container().child(Label::new("No Prediction")),
5842 };
5843
5844 let completion = if is_refreshing {
5845 completion
5846 .with_animation(
5847 "loading-completion",
5848 Animation::new(Duration::from_secs(2))
5849 .repeat()
5850 .with_easing(pulsating_between(0.4, 0.8)),
5851 |label, delta| label.opacity(delta),
5852 )
5853 .into_any_element()
5854 } else {
5855 completion.into_any_element()
5856 };
5857
5858 let has_completion = self.active_inline_completion.is_some();
5859
5860 Some(
5861 h_flex()
5862 .min_w(min_width)
5863 .max_w(max_width)
5864 .flex_1()
5865 .elevation_2(cx)
5866 .border_color(cx.theme().colors().border)
5867 .child(
5868 div()
5869 .flex_1()
5870 .py_1()
5871 .px_2()
5872 .overflow_hidden()
5873 .child(completion),
5874 )
5875 .child(
5876 h_flex()
5877 .h_full()
5878 .border_l_1()
5879 .rounded_r_lg()
5880 .border_color(cx.theme().colors().border)
5881 .bg(Self::edit_prediction_line_popover_bg_color(cx))
5882 .gap_1()
5883 .py_1()
5884 .px_2()
5885 .child(
5886 h_flex()
5887 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
5888 .gap_1()
5889 .children(ui::render_modifiers(
5890 &accept_keystroke.modifiers,
5891 PlatformStyle::platform(),
5892 Some(if !has_completion {
5893 Color::Muted
5894 } else {
5895 Color::Default
5896 }),
5897 None,
5898 true,
5899 )),
5900 )
5901 .child(Label::new("Preview").into_any_element())
5902 .opacity(if has_completion { 1.0 } else { 0.4 }),
5903 )
5904 .into_any(),
5905 )
5906 }
5907
5908 fn render_edit_prediction_cursor_popover_preview(
5909 &self,
5910 completion: &InlineCompletionState,
5911 cursor_point: Point,
5912 style: &EditorStyle,
5913 cx: &mut Context<Editor>,
5914 ) -> Option<Div> {
5915 use text::ToPoint as _;
5916
5917 fn render_relative_row_jump(
5918 prefix: impl Into<String>,
5919 current_row: u32,
5920 target_row: u32,
5921 ) -> Div {
5922 let (row_diff, arrow) = if target_row < current_row {
5923 (current_row - target_row, IconName::ArrowUp)
5924 } else {
5925 (target_row - current_row, IconName::ArrowDown)
5926 };
5927
5928 h_flex()
5929 .child(
5930 Label::new(format!("{}{}", prefix.into(), row_diff))
5931 .color(Color::Muted)
5932 .size(LabelSize::Small),
5933 )
5934 .child(Icon::new(arrow).color(Color::Muted).size(IconSize::Small))
5935 }
5936
5937 match &completion.completion {
5938 InlineCompletion::Move {
5939 target, snapshot, ..
5940 } => Some(
5941 h_flex()
5942 .px_2()
5943 .gap_2()
5944 .flex_1()
5945 .child(
5946 if target.text_anchor.to_point(&snapshot).row > cursor_point.row {
5947 Icon::new(IconName::ZedPredictDown)
5948 } else {
5949 Icon::new(IconName::ZedPredictUp)
5950 },
5951 )
5952 .child(Label::new("Jump to Edit")),
5953 ),
5954
5955 InlineCompletion::Edit {
5956 edits,
5957 edit_preview,
5958 snapshot,
5959 display_mode: _,
5960 } => {
5961 let first_edit_row = edits.first()?.0.start.text_anchor.to_point(&snapshot).row;
5962
5963 let highlighted_edits = crate::inline_completion_edit_text(
5964 &snapshot,
5965 &edits,
5966 edit_preview.as_ref()?,
5967 true,
5968 cx,
5969 );
5970
5971 let len_total = highlighted_edits.text.len();
5972 let first_line = &highlighted_edits.text
5973 [..highlighted_edits.text.find('\n').unwrap_or(len_total)];
5974 let first_line_len = first_line.len();
5975
5976 let first_highlight_start = highlighted_edits
5977 .highlights
5978 .first()
5979 .map_or(0, |(range, _)| range.start);
5980 let drop_prefix_len = first_line
5981 .char_indices()
5982 .find(|(_, c)| !c.is_whitespace())
5983 .map_or(first_highlight_start, |(ix, _)| {
5984 ix.min(first_highlight_start)
5985 });
5986
5987 let preview_text = &first_line[drop_prefix_len..];
5988 let preview_len = preview_text.len();
5989 let highlights = highlighted_edits
5990 .highlights
5991 .into_iter()
5992 .take_until(|(range, _)| range.start > first_line_len)
5993 .map(|(range, style)| {
5994 (
5995 range.start - drop_prefix_len
5996 ..(range.end - drop_prefix_len).min(preview_len),
5997 style,
5998 )
5999 });
6000
6001 let styled_text = gpui::StyledText::new(SharedString::new(preview_text))
6002 .with_highlights(&style.text, highlights);
6003
6004 let preview = h_flex()
6005 .gap_1()
6006 .min_w_16()
6007 .child(styled_text)
6008 .when(len_total > first_line_len, |parent| parent.child("…"));
6009
6010 let left = if first_edit_row != cursor_point.row {
6011 render_relative_row_jump("", cursor_point.row, first_edit_row)
6012 .into_any_element()
6013 } else {
6014 Icon::new(IconName::ZedPredict).into_any_element()
6015 };
6016
6017 Some(
6018 h_flex()
6019 .h_full()
6020 .flex_1()
6021 .gap_2()
6022 .pr_1()
6023 .overflow_x_hidden()
6024 .font(theme::ThemeSettings::get_global(cx).buffer_font.clone())
6025 .child(left)
6026 .child(preview),
6027 )
6028 }
6029 }
6030 }
6031
6032 fn render_context_menu(
6033 &self,
6034 style: &EditorStyle,
6035 max_height_in_lines: u32,
6036 y_flipped: bool,
6037 window: &mut Window,
6038 cx: &mut Context<Editor>,
6039 ) -> Option<AnyElement> {
6040 let menu = self.context_menu.borrow();
6041 let menu = menu.as_ref()?;
6042 if !menu.visible() {
6043 return None;
6044 };
6045 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
6046 }
6047
6048 fn render_context_menu_aside(
6049 &self,
6050 style: &EditorStyle,
6051 max_size: Size<Pixels>,
6052 cx: &mut Context<Editor>,
6053 ) -> Option<AnyElement> {
6054 self.context_menu.borrow().as_ref().and_then(|menu| {
6055 if menu.visible() {
6056 menu.render_aside(
6057 style,
6058 max_size,
6059 self.workspace.as_ref().map(|(w, _)| w.clone()),
6060 cx,
6061 )
6062 } else {
6063 None
6064 }
6065 })
6066 }
6067
6068 fn hide_context_menu(
6069 &mut self,
6070 window: &mut Window,
6071 cx: &mut Context<Self>,
6072 ) -> Option<CodeContextMenu> {
6073 cx.notify();
6074 self.completion_tasks.clear();
6075 let context_menu = self.context_menu.borrow_mut().take();
6076 self.stale_inline_completion_in_menu.take();
6077 self.update_visible_inline_completion(window, cx);
6078 context_menu
6079 }
6080
6081 fn show_snippet_choices(
6082 &mut self,
6083 choices: &Vec<String>,
6084 selection: Range<Anchor>,
6085 cx: &mut Context<Self>,
6086 ) {
6087 if selection.start.buffer_id.is_none() {
6088 return;
6089 }
6090 let buffer_id = selection.start.buffer_id.unwrap();
6091 let buffer = self.buffer().read(cx).buffer(buffer_id);
6092 let id = post_inc(&mut self.next_completion_id);
6093
6094 if let Some(buffer) = buffer {
6095 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
6096 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
6097 ));
6098 }
6099 }
6100
6101 pub fn insert_snippet(
6102 &mut self,
6103 insertion_ranges: &[Range<usize>],
6104 snippet: Snippet,
6105 window: &mut Window,
6106 cx: &mut Context<Self>,
6107 ) -> Result<()> {
6108 struct Tabstop<T> {
6109 is_end_tabstop: bool,
6110 ranges: Vec<Range<T>>,
6111 choices: Option<Vec<String>>,
6112 }
6113
6114 let tabstops = self.buffer.update(cx, |buffer, cx| {
6115 let snippet_text: Arc<str> = snippet.text.clone().into();
6116 buffer.edit(
6117 insertion_ranges
6118 .iter()
6119 .cloned()
6120 .map(|range| (range, snippet_text.clone())),
6121 Some(AutoindentMode::EachLine),
6122 cx,
6123 );
6124
6125 let snapshot = &*buffer.read(cx);
6126 let snippet = &snippet;
6127 snippet
6128 .tabstops
6129 .iter()
6130 .map(|tabstop| {
6131 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
6132 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
6133 });
6134 let mut tabstop_ranges = tabstop
6135 .ranges
6136 .iter()
6137 .flat_map(|tabstop_range| {
6138 let mut delta = 0_isize;
6139 insertion_ranges.iter().map(move |insertion_range| {
6140 let insertion_start = insertion_range.start as isize + delta;
6141 delta +=
6142 snippet.text.len() as isize - insertion_range.len() as isize;
6143
6144 let start = ((insertion_start + tabstop_range.start) as usize)
6145 .min(snapshot.len());
6146 let end = ((insertion_start + tabstop_range.end) as usize)
6147 .min(snapshot.len());
6148 snapshot.anchor_before(start)..snapshot.anchor_after(end)
6149 })
6150 })
6151 .collect::<Vec<_>>();
6152 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
6153
6154 Tabstop {
6155 is_end_tabstop,
6156 ranges: tabstop_ranges,
6157 choices: tabstop.choices.clone(),
6158 }
6159 })
6160 .collect::<Vec<_>>()
6161 });
6162 if let Some(tabstop) = tabstops.first() {
6163 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6164 s.select_ranges(tabstop.ranges.iter().cloned());
6165 });
6166
6167 if let Some(choices) = &tabstop.choices {
6168 if let Some(selection) = tabstop.ranges.first() {
6169 self.show_snippet_choices(choices, selection.clone(), cx)
6170 }
6171 }
6172
6173 // If we're already at the last tabstop and it's at the end of the snippet,
6174 // we're done, we don't need to keep the state around.
6175 if !tabstop.is_end_tabstop {
6176 let choices = tabstops
6177 .iter()
6178 .map(|tabstop| tabstop.choices.clone())
6179 .collect();
6180
6181 let ranges = tabstops
6182 .into_iter()
6183 .map(|tabstop| tabstop.ranges)
6184 .collect::<Vec<_>>();
6185
6186 self.snippet_stack.push(SnippetState {
6187 active_index: 0,
6188 ranges,
6189 choices,
6190 });
6191 }
6192
6193 // Check whether the just-entered snippet ends with an auto-closable bracket.
6194 if self.autoclose_regions.is_empty() {
6195 let snapshot = self.buffer.read(cx).snapshot(cx);
6196 for selection in &mut self.selections.all::<Point>(cx) {
6197 let selection_head = selection.head();
6198 let Some(scope) = snapshot.language_scope_at(selection_head) else {
6199 continue;
6200 };
6201
6202 let mut bracket_pair = None;
6203 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
6204 let prev_chars = snapshot
6205 .reversed_chars_at(selection_head)
6206 .collect::<String>();
6207 for (pair, enabled) in scope.brackets() {
6208 if enabled
6209 && pair.close
6210 && prev_chars.starts_with(pair.start.as_str())
6211 && next_chars.starts_with(pair.end.as_str())
6212 {
6213 bracket_pair = Some(pair.clone());
6214 break;
6215 }
6216 }
6217 if let Some(pair) = bracket_pair {
6218 let start = snapshot.anchor_after(selection_head);
6219 let end = snapshot.anchor_after(selection_head);
6220 self.autoclose_regions.push(AutocloseRegion {
6221 selection_id: selection.id,
6222 range: start..end,
6223 pair,
6224 });
6225 }
6226 }
6227 }
6228 }
6229 Ok(())
6230 }
6231
6232 pub fn move_to_next_snippet_tabstop(
6233 &mut self,
6234 window: &mut Window,
6235 cx: &mut Context<Self>,
6236 ) -> bool {
6237 self.move_to_snippet_tabstop(Bias::Right, window, cx)
6238 }
6239
6240 pub fn move_to_prev_snippet_tabstop(
6241 &mut self,
6242 window: &mut Window,
6243 cx: &mut Context<Self>,
6244 ) -> bool {
6245 self.move_to_snippet_tabstop(Bias::Left, window, cx)
6246 }
6247
6248 pub fn move_to_snippet_tabstop(
6249 &mut self,
6250 bias: Bias,
6251 window: &mut Window,
6252 cx: &mut Context<Self>,
6253 ) -> bool {
6254 if let Some(mut snippet) = self.snippet_stack.pop() {
6255 match bias {
6256 Bias::Left => {
6257 if snippet.active_index > 0 {
6258 snippet.active_index -= 1;
6259 } else {
6260 self.snippet_stack.push(snippet);
6261 return false;
6262 }
6263 }
6264 Bias::Right => {
6265 if snippet.active_index + 1 < snippet.ranges.len() {
6266 snippet.active_index += 1;
6267 } else {
6268 self.snippet_stack.push(snippet);
6269 return false;
6270 }
6271 }
6272 }
6273 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
6274 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6275 s.select_anchor_ranges(current_ranges.iter().cloned())
6276 });
6277
6278 if let Some(choices) = &snippet.choices[snippet.active_index] {
6279 if let Some(selection) = current_ranges.first() {
6280 self.show_snippet_choices(&choices, selection.clone(), cx);
6281 }
6282 }
6283
6284 // If snippet state is not at the last tabstop, push it back on the stack
6285 if snippet.active_index + 1 < snippet.ranges.len() {
6286 self.snippet_stack.push(snippet);
6287 }
6288 return true;
6289 }
6290 }
6291
6292 false
6293 }
6294
6295 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6296 self.transact(window, cx, |this, window, cx| {
6297 this.select_all(&SelectAll, window, cx);
6298 this.insert("", window, cx);
6299 });
6300 }
6301
6302 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
6303 self.transact(window, cx, |this, window, cx| {
6304 this.select_autoclose_pair(window, cx);
6305 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
6306 if !this.linked_edit_ranges.is_empty() {
6307 let selections = this.selections.all::<MultiBufferPoint>(cx);
6308 let snapshot = this.buffer.read(cx).snapshot(cx);
6309
6310 for selection in selections.iter() {
6311 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
6312 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
6313 if selection_start.buffer_id != selection_end.buffer_id {
6314 continue;
6315 }
6316 if let Some(ranges) =
6317 this.linked_editing_ranges_for(selection_start..selection_end, cx)
6318 {
6319 for (buffer, entries) in ranges {
6320 linked_ranges.entry(buffer).or_default().extend(entries);
6321 }
6322 }
6323 }
6324 }
6325
6326 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
6327 if !this.selections.line_mode {
6328 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
6329 for selection in &mut selections {
6330 if selection.is_empty() {
6331 let old_head = selection.head();
6332 let mut new_head =
6333 movement::left(&display_map, old_head.to_display_point(&display_map))
6334 .to_point(&display_map);
6335 if let Some((buffer, line_buffer_range)) = display_map
6336 .buffer_snapshot
6337 .buffer_line_for_row(MultiBufferRow(old_head.row))
6338 {
6339 let indent_size =
6340 buffer.indent_size_for_line(line_buffer_range.start.row);
6341 let indent_len = match indent_size.kind {
6342 IndentKind::Space => {
6343 buffer.settings_at(line_buffer_range.start, cx).tab_size
6344 }
6345 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
6346 };
6347 if old_head.column <= indent_size.len && old_head.column > 0 {
6348 let indent_len = indent_len.get();
6349 new_head = cmp::min(
6350 new_head,
6351 MultiBufferPoint::new(
6352 old_head.row,
6353 ((old_head.column - 1) / indent_len) * indent_len,
6354 ),
6355 );
6356 }
6357 }
6358
6359 selection.set_head(new_head, SelectionGoal::None);
6360 }
6361 }
6362 }
6363
6364 this.signature_help_state.set_backspace_pressed(true);
6365 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6366 s.select(selections)
6367 });
6368 this.insert("", window, cx);
6369 let empty_str: Arc<str> = Arc::from("");
6370 for (buffer, edits) in linked_ranges {
6371 let snapshot = buffer.read(cx).snapshot();
6372 use text::ToPoint as TP;
6373
6374 let edits = edits
6375 .into_iter()
6376 .map(|range| {
6377 let end_point = TP::to_point(&range.end, &snapshot);
6378 let mut start_point = TP::to_point(&range.start, &snapshot);
6379
6380 if end_point == start_point {
6381 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
6382 .saturating_sub(1);
6383 start_point =
6384 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
6385 };
6386
6387 (start_point..end_point, empty_str.clone())
6388 })
6389 .sorted_by_key(|(range, _)| range.start)
6390 .collect::<Vec<_>>();
6391 buffer.update(cx, |this, cx| {
6392 this.edit(edits, None, cx);
6393 })
6394 }
6395 this.refresh_inline_completion(true, false, window, cx);
6396 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
6397 });
6398 }
6399
6400 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
6401 self.transact(window, cx, |this, window, cx| {
6402 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6403 let line_mode = s.line_mode;
6404 s.move_with(|map, selection| {
6405 if selection.is_empty() && !line_mode {
6406 let cursor = movement::right(map, selection.head());
6407 selection.end = cursor;
6408 selection.reversed = true;
6409 selection.goal = SelectionGoal::None;
6410 }
6411 })
6412 });
6413 this.insert("", window, cx);
6414 this.refresh_inline_completion(true, false, window, cx);
6415 });
6416 }
6417
6418 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
6419 if self.move_to_prev_snippet_tabstop(window, cx) {
6420 return;
6421 }
6422
6423 self.outdent(&Outdent, window, cx);
6424 }
6425
6426 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
6427 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
6428 return;
6429 }
6430
6431 let mut selections = self.selections.all_adjusted(cx);
6432 let buffer = self.buffer.read(cx);
6433 let snapshot = buffer.snapshot(cx);
6434 let rows_iter = selections.iter().map(|s| s.head().row);
6435 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
6436
6437 let mut edits = Vec::new();
6438 let mut prev_edited_row = 0;
6439 let mut row_delta = 0;
6440 for selection in &mut selections {
6441 if selection.start.row != prev_edited_row {
6442 row_delta = 0;
6443 }
6444 prev_edited_row = selection.end.row;
6445
6446 // If the selection is non-empty, then increase the indentation of the selected lines.
6447 if !selection.is_empty() {
6448 row_delta =
6449 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6450 continue;
6451 }
6452
6453 // If the selection is empty and the cursor is in the leading whitespace before the
6454 // suggested indentation, then auto-indent the line.
6455 let cursor = selection.head();
6456 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
6457 if let Some(suggested_indent) =
6458 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
6459 {
6460 if cursor.column < suggested_indent.len
6461 && cursor.column <= current_indent.len
6462 && current_indent.len <= suggested_indent.len
6463 {
6464 selection.start = Point::new(cursor.row, suggested_indent.len);
6465 selection.end = selection.start;
6466 if row_delta == 0 {
6467 edits.extend(Buffer::edit_for_indent_size_adjustment(
6468 cursor.row,
6469 current_indent,
6470 suggested_indent,
6471 ));
6472 row_delta = suggested_indent.len - current_indent.len;
6473 }
6474 continue;
6475 }
6476 }
6477
6478 // Otherwise, insert a hard or soft tab.
6479 let settings = buffer.settings_at(cursor, cx);
6480 let tab_size = if settings.hard_tabs {
6481 IndentSize::tab()
6482 } else {
6483 let tab_size = settings.tab_size.get();
6484 let char_column = snapshot
6485 .text_for_range(Point::new(cursor.row, 0)..cursor)
6486 .flat_map(str::chars)
6487 .count()
6488 + row_delta as usize;
6489 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
6490 IndentSize::spaces(chars_to_next_tab_stop)
6491 };
6492 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
6493 selection.end = selection.start;
6494 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
6495 row_delta += tab_size.len;
6496 }
6497
6498 self.transact(window, cx, |this, window, cx| {
6499 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6500 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6501 s.select(selections)
6502 });
6503 this.refresh_inline_completion(true, false, window, cx);
6504 });
6505 }
6506
6507 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
6508 if self.read_only(cx) {
6509 return;
6510 }
6511 let mut selections = self.selections.all::<Point>(cx);
6512 let mut prev_edited_row = 0;
6513 let mut row_delta = 0;
6514 let mut edits = Vec::new();
6515 let buffer = self.buffer.read(cx);
6516 let snapshot = buffer.snapshot(cx);
6517 for selection in &mut selections {
6518 if selection.start.row != prev_edited_row {
6519 row_delta = 0;
6520 }
6521 prev_edited_row = selection.end.row;
6522
6523 row_delta =
6524 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6525 }
6526
6527 self.transact(window, cx, |this, window, cx| {
6528 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6529 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6530 s.select(selections)
6531 });
6532 });
6533 }
6534
6535 fn indent_selection(
6536 buffer: &MultiBuffer,
6537 snapshot: &MultiBufferSnapshot,
6538 selection: &mut Selection<Point>,
6539 edits: &mut Vec<(Range<Point>, String)>,
6540 delta_for_start_row: u32,
6541 cx: &App,
6542 ) -> u32 {
6543 let settings = buffer.settings_at(selection.start, cx);
6544 let tab_size = settings.tab_size.get();
6545 let indent_kind = if settings.hard_tabs {
6546 IndentKind::Tab
6547 } else {
6548 IndentKind::Space
6549 };
6550 let mut start_row = selection.start.row;
6551 let mut end_row = selection.end.row + 1;
6552
6553 // If a selection ends at the beginning of a line, don't indent
6554 // that last line.
6555 if selection.end.column == 0 && selection.end.row > selection.start.row {
6556 end_row -= 1;
6557 }
6558
6559 // Avoid re-indenting a row that has already been indented by a
6560 // previous selection, but still update this selection's column
6561 // to reflect that indentation.
6562 if delta_for_start_row > 0 {
6563 start_row += 1;
6564 selection.start.column += delta_for_start_row;
6565 if selection.end.row == selection.start.row {
6566 selection.end.column += delta_for_start_row;
6567 }
6568 }
6569
6570 let mut delta_for_end_row = 0;
6571 let has_multiple_rows = start_row + 1 != end_row;
6572 for row in start_row..end_row {
6573 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6574 let indent_delta = match (current_indent.kind, indent_kind) {
6575 (IndentKind::Space, IndentKind::Space) => {
6576 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6577 IndentSize::spaces(columns_to_next_tab_stop)
6578 }
6579 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6580 (_, IndentKind::Tab) => IndentSize::tab(),
6581 };
6582
6583 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6584 0
6585 } else {
6586 selection.start.column
6587 };
6588 let row_start = Point::new(row, start);
6589 edits.push((
6590 row_start..row_start,
6591 indent_delta.chars().collect::<String>(),
6592 ));
6593
6594 // Update this selection's endpoints to reflect the indentation.
6595 if row == selection.start.row {
6596 selection.start.column += indent_delta.len;
6597 }
6598 if row == selection.end.row {
6599 selection.end.column += indent_delta.len;
6600 delta_for_end_row = indent_delta.len;
6601 }
6602 }
6603
6604 if selection.start.row == selection.end.row {
6605 delta_for_start_row + delta_for_end_row
6606 } else {
6607 delta_for_end_row
6608 }
6609 }
6610
6611 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6612 if self.read_only(cx) {
6613 return;
6614 }
6615 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6616 let selections = self.selections.all::<Point>(cx);
6617 let mut deletion_ranges = Vec::new();
6618 let mut last_outdent = None;
6619 {
6620 let buffer = self.buffer.read(cx);
6621 let snapshot = buffer.snapshot(cx);
6622 for selection in &selections {
6623 let settings = buffer.settings_at(selection.start, cx);
6624 let tab_size = settings.tab_size.get();
6625 let mut rows = selection.spanned_rows(false, &display_map);
6626
6627 // Avoid re-outdenting a row that has already been outdented by a
6628 // previous selection.
6629 if let Some(last_row) = last_outdent {
6630 if last_row == rows.start {
6631 rows.start = rows.start.next_row();
6632 }
6633 }
6634 let has_multiple_rows = rows.len() > 1;
6635 for row in rows.iter_rows() {
6636 let indent_size = snapshot.indent_size_for_line(row);
6637 if indent_size.len > 0 {
6638 let deletion_len = match indent_size.kind {
6639 IndentKind::Space => {
6640 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6641 if columns_to_prev_tab_stop == 0 {
6642 tab_size
6643 } else {
6644 columns_to_prev_tab_stop
6645 }
6646 }
6647 IndentKind::Tab => 1,
6648 };
6649 let start = if has_multiple_rows
6650 || deletion_len > selection.start.column
6651 || indent_size.len < selection.start.column
6652 {
6653 0
6654 } else {
6655 selection.start.column - deletion_len
6656 };
6657 deletion_ranges.push(
6658 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6659 );
6660 last_outdent = Some(row);
6661 }
6662 }
6663 }
6664 }
6665
6666 self.transact(window, cx, |this, window, cx| {
6667 this.buffer.update(cx, |buffer, cx| {
6668 let empty_str: Arc<str> = Arc::default();
6669 buffer.edit(
6670 deletion_ranges
6671 .into_iter()
6672 .map(|range| (range, empty_str.clone())),
6673 None,
6674 cx,
6675 );
6676 });
6677 let selections = this.selections.all::<usize>(cx);
6678 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6679 s.select(selections)
6680 });
6681 });
6682 }
6683
6684 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6685 if self.read_only(cx) {
6686 return;
6687 }
6688 let selections = self
6689 .selections
6690 .all::<usize>(cx)
6691 .into_iter()
6692 .map(|s| s.range());
6693
6694 self.transact(window, cx, |this, window, cx| {
6695 this.buffer.update(cx, |buffer, cx| {
6696 buffer.autoindent_ranges(selections, cx);
6697 });
6698 let selections = this.selections.all::<usize>(cx);
6699 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6700 s.select(selections)
6701 });
6702 });
6703 }
6704
6705 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6706 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6707 let selections = self.selections.all::<Point>(cx);
6708
6709 let mut new_cursors = Vec::new();
6710 let mut edit_ranges = Vec::new();
6711 let mut selections = selections.iter().peekable();
6712 while let Some(selection) = selections.next() {
6713 let mut rows = selection.spanned_rows(false, &display_map);
6714 let goal_display_column = selection.head().to_display_point(&display_map).column();
6715
6716 // Accumulate contiguous regions of rows that we want to delete.
6717 while let Some(next_selection) = selections.peek() {
6718 let next_rows = next_selection.spanned_rows(false, &display_map);
6719 if next_rows.start <= rows.end {
6720 rows.end = next_rows.end;
6721 selections.next().unwrap();
6722 } else {
6723 break;
6724 }
6725 }
6726
6727 let buffer = &display_map.buffer_snapshot;
6728 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6729 let edit_end;
6730 let cursor_buffer_row;
6731 if buffer.max_point().row >= rows.end.0 {
6732 // If there's a line after the range, delete the \n from the end of the row range
6733 // and position the cursor on the next line.
6734 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6735 cursor_buffer_row = rows.end;
6736 } else {
6737 // If there isn't a line after the range, delete the \n from the line before the
6738 // start of the row range and position the cursor there.
6739 edit_start = edit_start.saturating_sub(1);
6740 edit_end = buffer.len();
6741 cursor_buffer_row = rows.start.previous_row();
6742 }
6743
6744 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6745 *cursor.column_mut() =
6746 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6747
6748 new_cursors.push((
6749 selection.id,
6750 buffer.anchor_after(cursor.to_point(&display_map)),
6751 ));
6752 edit_ranges.push(edit_start..edit_end);
6753 }
6754
6755 self.transact(window, cx, |this, window, cx| {
6756 let buffer = this.buffer.update(cx, |buffer, cx| {
6757 let empty_str: Arc<str> = Arc::default();
6758 buffer.edit(
6759 edit_ranges
6760 .into_iter()
6761 .map(|range| (range, empty_str.clone())),
6762 None,
6763 cx,
6764 );
6765 buffer.snapshot(cx)
6766 });
6767 let new_selections = new_cursors
6768 .into_iter()
6769 .map(|(id, cursor)| {
6770 let cursor = cursor.to_point(&buffer);
6771 Selection {
6772 id,
6773 start: cursor,
6774 end: cursor,
6775 reversed: false,
6776 goal: SelectionGoal::None,
6777 }
6778 })
6779 .collect();
6780
6781 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6782 s.select(new_selections);
6783 });
6784 });
6785 }
6786
6787 pub fn join_lines_impl(
6788 &mut self,
6789 insert_whitespace: bool,
6790 window: &mut Window,
6791 cx: &mut Context<Self>,
6792 ) {
6793 if self.read_only(cx) {
6794 return;
6795 }
6796 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6797 for selection in self.selections.all::<Point>(cx) {
6798 let start = MultiBufferRow(selection.start.row);
6799 // Treat single line selections as if they include the next line. Otherwise this action
6800 // would do nothing for single line selections individual cursors.
6801 let end = if selection.start.row == selection.end.row {
6802 MultiBufferRow(selection.start.row + 1)
6803 } else {
6804 MultiBufferRow(selection.end.row)
6805 };
6806
6807 if let Some(last_row_range) = row_ranges.last_mut() {
6808 if start <= last_row_range.end {
6809 last_row_range.end = end;
6810 continue;
6811 }
6812 }
6813 row_ranges.push(start..end);
6814 }
6815
6816 let snapshot = self.buffer.read(cx).snapshot(cx);
6817 let mut cursor_positions = Vec::new();
6818 for row_range in &row_ranges {
6819 let anchor = snapshot.anchor_before(Point::new(
6820 row_range.end.previous_row().0,
6821 snapshot.line_len(row_range.end.previous_row()),
6822 ));
6823 cursor_positions.push(anchor..anchor);
6824 }
6825
6826 self.transact(window, cx, |this, window, cx| {
6827 for row_range in row_ranges.into_iter().rev() {
6828 for row in row_range.iter_rows().rev() {
6829 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6830 let next_line_row = row.next_row();
6831 let indent = snapshot.indent_size_for_line(next_line_row);
6832 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6833
6834 let replace =
6835 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6836 " "
6837 } else {
6838 ""
6839 };
6840
6841 this.buffer.update(cx, |buffer, cx| {
6842 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6843 });
6844 }
6845 }
6846
6847 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6848 s.select_anchor_ranges(cursor_positions)
6849 });
6850 });
6851 }
6852
6853 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6854 self.join_lines_impl(true, window, cx);
6855 }
6856
6857 pub fn sort_lines_case_sensitive(
6858 &mut self,
6859 _: &SortLinesCaseSensitive,
6860 window: &mut Window,
6861 cx: &mut Context<Self>,
6862 ) {
6863 self.manipulate_lines(window, cx, |lines| lines.sort())
6864 }
6865
6866 pub fn sort_lines_case_insensitive(
6867 &mut self,
6868 _: &SortLinesCaseInsensitive,
6869 window: &mut Window,
6870 cx: &mut Context<Self>,
6871 ) {
6872 self.manipulate_lines(window, cx, |lines| {
6873 lines.sort_by_key(|line| line.to_lowercase())
6874 })
6875 }
6876
6877 pub fn unique_lines_case_insensitive(
6878 &mut self,
6879 _: &UniqueLinesCaseInsensitive,
6880 window: &mut Window,
6881 cx: &mut Context<Self>,
6882 ) {
6883 self.manipulate_lines(window, cx, |lines| {
6884 let mut seen = HashSet::default();
6885 lines.retain(|line| seen.insert(line.to_lowercase()));
6886 })
6887 }
6888
6889 pub fn unique_lines_case_sensitive(
6890 &mut self,
6891 _: &UniqueLinesCaseSensitive,
6892 window: &mut Window,
6893 cx: &mut Context<Self>,
6894 ) {
6895 self.manipulate_lines(window, cx, |lines| {
6896 let mut seen = HashSet::default();
6897 lines.retain(|line| seen.insert(*line));
6898 })
6899 }
6900
6901 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6902 let mut revert_changes = HashMap::default();
6903 let snapshot = self.snapshot(window, cx);
6904 for hunk in snapshot
6905 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6906 {
6907 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6908 }
6909 if !revert_changes.is_empty() {
6910 self.transact(window, cx, |editor, window, cx| {
6911 editor.revert(revert_changes, window, cx);
6912 });
6913 }
6914 }
6915
6916 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6917 let Some(project) = self.project.clone() else {
6918 return;
6919 };
6920 self.reload(project, window, cx)
6921 .detach_and_notify_err(window, cx);
6922 }
6923
6924 pub fn revert_selected_hunks(
6925 &mut self,
6926 _: &RevertSelectedHunks,
6927 window: &mut Window,
6928 cx: &mut Context<Self>,
6929 ) {
6930 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6931 self.revert_hunks_in_ranges(selections, window, cx);
6932 }
6933
6934 fn revert_hunks_in_ranges(
6935 &mut self,
6936 ranges: impl Iterator<Item = Range<Point>>,
6937 window: &mut Window,
6938 cx: &mut Context<Editor>,
6939 ) {
6940 let mut revert_changes = HashMap::default();
6941 let snapshot = self.snapshot(window, cx);
6942 for hunk in &snapshot.hunks_for_ranges(ranges) {
6943 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6944 }
6945 if !revert_changes.is_empty() {
6946 self.transact(window, cx, |editor, window, cx| {
6947 editor.revert(revert_changes, window, cx);
6948 });
6949 }
6950 }
6951
6952 pub fn open_active_item_in_terminal(
6953 &mut self,
6954 _: &OpenInTerminal,
6955 window: &mut Window,
6956 cx: &mut Context<Self>,
6957 ) {
6958 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6959 let project_path = buffer.read(cx).project_path(cx)?;
6960 let project = self.project.as_ref()?.read(cx);
6961 let entry = project.entry_for_path(&project_path, cx)?;
6962 let parent = match &entry.canonical_path {
6963 Some(canonical_path) => canonical_path.to_path_buf(),
6964 None => project.absolute_path(&project_path, cx)?,
6965 }
6966 .parent()?
6967 .to_path_buf();
6968 Some(parent)
6969 }) {
6970 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6971 }
6972 }
6973
6974 pub fn prepare_revert_change(
6975 &self,
6976 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6977 hunk: &MultiBufferDiffHunk,
6978 cx: &mut App,
6979 ) -> Option<()> {
6980 let buffer = self.buffer.read(cx);
6981 let diff = buffer.diff_for(hunk.buffer_id)?;
6982 let buffer = buffer.buffer(hunk.buffer_id)?;
6983 let buffer = buffer.read(cx);
6984 let original_text = diff
6985 .read(cx)
6986 .base_text()
6987 .as_ref()?
6988 .as_rope()
6989 .slice(hunk.diff_base_byte_range.clone());
6990 let buffer_snapshot = buffer.snapshot();
6991 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6992 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6993 probe
6994 .0
6995 .start
6996 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6997 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6998 }) {
6999 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
7000 Some(())
7001 } else {
7002 None
7003 }
7004 }
7005
7006 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
7007 self.manipulate_lines(window, cx, |lines| lines.reverse())
7008 }
7009
7010 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
7011 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
7012 }
7013
7014 fn manipulate_lines<Fn>(
7015 &mut self,
7016 window: &mut Window,
7017 cx: &mut Context<Self>,
7018 mut callback: Fn,
7019 ) where
7020 Fn: FnMut(&mut Vec<&str>),
7021 {
7022 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7023 let buffer = self.buffer.read(cx).snapshot(cx);
7024
7025 let mut edits = Vec::new();
7026
7027 let selections = self.selections.all::<Point>(cx);
7028 let mut selections = selections.iter().peekable();
7029 let mut contiguous_row_selections = Vec::new();
7030 let mut new_selections = Vec::new();
7031 let mut added_lines = 0;
7032 let mut removed_lines = 0;
7033
7034 while let Some(selection) = selections.next() {
7035 let (start_row, end_row) = consume_contiguous_rows(
7036 &mut contiguous_row_selections,
7037 selection,
7038 &display_map,
7039 &mut selections,
7040 );
7041
7042 let start_point = Point::new(start_row.0, 0);
7043 let end_point = Point::new(
7044 end_row.previous_row().0,
7045 buffer.line_len(end_row.previous_row()),
7046 );
7047 let text = buffer
7048 .text_for_range(start_point..end_point)
7049 .collect::<String>();
7050
7051 let mut lines = text.split('\n').collect_vec();
7052
7053 let lines_before = lines.len();
7054 callback(&mut lines);
7055 let lines_after = lines.len();
7056
7057 edits.push((start_point..end_point, lines.join("\n")));
7058
7059 // Selections must change based on added and removed line count
7060 let start_row =
7061 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
7062 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
7063 new_selections.push(Selection {
7064 id: selection.id,
7065 start: start_row,
7066 end: end_row,
7067 goal: SelectionGoal::None,
7068 reversed: selection.reversed,
7069 });
7070
7071 if lines_after > lines_before {
7072 added_lines += lines_after - lines_before;
7073 } else if lines_before > lines_after {
7074 removed_lines += lines_before - lines_after;
7075 }
7076 }
7077
7078 self.transact(window, cx, |this, window, cx| {
7079 let buffer = this.buffer.update(cx, |buffer, cx| {
7080 buffer.edit(edits, None, cx);
7081 buffer.snapshot(cx)
7082 });
7083
7084 // Recalculate offsets on newly edited buffer
7085 let new_selections = new_selections
7086 .iter()
7087 .map(|s| {
7088 let start_point = Point::new(s.start.0, 0);
7089 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
7090 Selection {
7091 id: s.id,
7092 start: buffer.point_to_offset(start_point),
7093 end: buffer.point_to_offset(end_point),
7094 goal: s.goal,
7095 reversed: s.reversed,
7096 }
7097 })
7098 .collect();
7099
7100 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7101 s.select(new_selections);
7102 });
7103
7104 this.request_autoscroll(Autoscroll::fit(), cx);
7105 });
7106 }
7107
7108 pub fn convert_to_upper_case(
7109 &mut self,
7110 _: &ConvertToUpperCase,
7111 window: &mut Window,
7112 cx: &mut Context<Self>,
7113 ) {
7114 self.manipulate_text(window, cx, |text| text.to_uppercase())
7115 }
7116
7117 pub fn convert_to_lower_case(
7118 &mut self,
7119 _: &ConvertToLowerCase,
7120 window: &mut Window,
7121 cx: &mut Context<Self>,
7122 ) {
7123 self.manipulate_text(window, cx, |text| text.to_lowercase())
7124 }
7125
7126 pub fn convert_to_title_case(
7127 &mut self,
7128 _: &ConvertToTitleCase,
7129 window: &mut Window,
7130 cx: &mut Context<Self>,
7131 ) {
7132 self.manipulate_text(window, cx, |text| {
7133 text.split('\n')
7134 .map(|line| line.to_case(Case::Title))
7135 .join("\n")
7136 })
7137 }
7138
7139 pub fn convert_to_snake_case(
7140 &mut self,
7141 _: &ConvertToSnakeCase,
7142 window: &mut Window,
7143 cx: &mut Context<Self>,
7144 ) {
7145 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
7146 }
7147
7148 pub fn convert_to_kebab_case(
7149 &mut self,
7150 _: &ConvertToKebabCase,
7151 window: &mut Window,
7152 cx: &mut Context<Self>,
7153 ) {
7154 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
7155 }
7156
7157 pub fn convert_to_upper_camel_case(
7158 &mut self,
7159 _: &ConvertToUpperCamelCase,
7160 window: &mut Window,
7161 cx: &mut Context<Self>,
7162 ) {
7163 self.manipulate_text(window, cx, |text| {
7164 text.split('\n')
7165 .map(|line| line.to_case(Case::UpperCamel))
7166 .join("\n")
7167 })
7168 }
7169
7170 pub fn convert_to_lower_camel_case(
7171 &mut self,
7172 _: &ConvertToLowerCamelCase,
7173 window: &mut Window,
7174 cx: &mut Context<Self>,
7175 ) {
7176 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
7177 }
7178
7179 pub fn convert_to_opposite_case(
7180 &mut self,
7181 _: &ConvertToOppositeCase,
7182 window: &mut Window,
7183 cx: &mut Context<Self>,
7184 ) {
7185 self.manipulate_text(window, cx, |text| {
7186 text.chars()
7187 .fold(String::with_capacity(text.len()), |mut t, c| {
7188 if c.is_uppercase() {
7189 t.extend(c.to_lowercase());
7190 } else {
7191 t.extend(c.to_uppercase());
7192 }
7193 t
7194 })
7195 })
7196 }
7197
7198 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
7199 where
7200 Fn: FnMut(&str) -> String,
7201 {
7202 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7203 let buffer = self.buffer.read(cx).snapshot(cx);
7204
7205 let mut new_selections = Vec::new();
7206 let mut edits = Vec::new();
7207 let mut selection_adjustment = 0i32;
7208
7209 for selection in self.selections.all::<usize>(cx) {
7210 let selection_is_empty = selection.is_empty();
7211
7212 let (start, end) = if selection_is_empty {
7213 let word_range = movement::surrounding_word(
7214 &display_map,
7215 selection.start.to_display_point(&display_map),
7216 );
7217 let start = word_range.start.to_offset(&display_map, Bias::Left);
7218 let end = word_range.end.to_offset(&display_map, Bias::Left);
7219 (start, end)
7220 } else {
7221 (selection.start, selection.end)
7222 };
7223
7224 let text = buffer.text_for_range(start..end).collect::<String>();
7225 let old_length = text.len() as i32;
7226 let text = callback(&text);
7227
7228 new_selections.push(Selection {
7229 start: (start as i32 - selection_adjustment) as usize,
7230 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
7231 goal: SelectionGoal::None,
7232 ..selection
7233 });
7234
7235 selection_adjustment += old_length - text.len() as i32;
7236
7237 edits.push((start..end, text));
7238 }
7239
7240 self.transact(window, cx, |this, window, cx| {
7241 this.buffer.update(cx, |buffer, cx| {
7242 buffer.edit(edits, None, cx);
7243 });
7244
7245 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7246 s.select(new_selections);
7247 });
7248
7249 this.request_autoscroll(Autoscroll::fit(), cx);
7250 });
7251 }
7252
7253 pub fn duplicate(
7254 &mut self,
7255 upwards: bool,
7256 whole_lines: bool,
7257 window: &mut Window,
7258 cx: &mut Context<Self>,
7259 ) {
7260 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7261 let buffer = &display_map.buffer_snapshot;
7262 let selections = self.selections.all::<Point>(cx);
7263
7264 let mut edits = Vec::new();
7265 let mut selections_iter = selections.iter().peekable();
7266 while let Some(selection) = selections_iter.next() {
7267 let mut rows = selection.spanned_rows(false, &display_map);
7268 // duplicate line-wise
7269 if whole_lines || selection.start == selection.end {
7270 // Avoid duplicating the same lines twice.
7271 while let Some(next_selection) = selections_iter.peek() {
7272 let next_rows = next_selection.spanned_rows(false, &display_map);
7273 if next_rows.start < rows.end {
7274 rows.end = next_rows.end;
7275 selections_iter.next().unwrap();
7276 } else {
7277 break;
7278 }
7279 }
7280
7281 // Copy the text from the selected row region and splice it either at the start
7282 // or end of the region.
7283 let start = Point::new(rows.start.0, 0);
7284 let end = Point::new(
7285 rows.end.previous_row().0,
7286 buffer.line_len(rows.end.previous_row()),
7287 );
7288 let text = buffer
7289 .text_for_range(start..end)
7290 .chain(Some("\n"))
7291 .collect::<String>();
7292 let insert_location = if upwards {
7293 Point::new(rows.end.0, 0)
7294 } else {
7295 start
7296 };
7297 edits.push((insert_location..insert_location, text));
7298 } else {
7299 // duplicate character-wise
7300 let start = selection.start;
7301 let end = selection.end;
7302 let text = buffer.text_for_range(start..end).collect::<String>();
7303 edits.push((selection.end..selection.end, text));
7304 }
7305 }
7306
7307 self.transact(window, cx, |this, _, cx| {
7308 this.buffer.update(cx, |buffer, cx| {
7309 buffer.edit(edits, None, cx);
7310 });
7311
7312 this.request_autoscroll(Autoscroll::fit(), cx);
7313 });
7314 }
7315
7316 pub fn duplicate_line_up(
7317 &mut self,
7318 _: &DuplicateLineUp,
7319 window: &mut Window,
7320 cx: &mut Context<Self>,
7321 ) {
7322 self.duplicate(true, true, window, cx);
7323 }
7324
7325 pub fn duplicate_line_down(
7326 &mut self,
7327 _: &DuplicateLineDown,
7328 window: &mut Window,
7329 cx: &mut Context<Self>,
7330 ) {
7331 self.duplicate(false, true, window, cx);
7332 }
7333
7334 pub fn duplicate_selection(
7335 &mut self,
7336 _: &DuplicateSelection,
7337 window: &mut Window,
7338 cx: &mut Context<Self>,
7339 ) {
7340 self.duplicate(false, false, window, cx);
7341 }
7342
7343 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
7344 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7345 let buffer = self.buffer.read(cx).snapshot(cx);
7346
7347 let mut edits = Vec::new();
7348 let mut unfold_ranges = Vec::new();
7349 let mut refold_creases = Vec::new();
7350
7351 let selections = self.selections.all::<Point>(cx);
7352 let mut selections = selections.iter().peekable();
7353 let mut contiguous_row_selections = Vec::new();
7354 let mut new_selections = Vec::new();
7355
7356 while let Some(selection) = selections.next() {
7357 // Find all the selections that span a contiguous row range
7358 let (start_row, end_row) = consume_contiguous_rows(
7359 &mut contiguous_row_selections,
7360 selection,
7361 &display_map,
7362 &mut selections,
7363 );
7364
7365 // Move the text spanned by the row range to be before the line preceding the row range
7366 if start_row.0 > 0 {
7367 let range_to_move = Point::new(
7368 start_row.previous_row().0,
7369 buffer.line_len(start_row.previous_row()),
7370 )
7371 ..Point::new(
7372 end_row.previous_row().0,
7373 buffer.line_len(end_row.previous_row()),
7374 );
7375 let insertion_point = display_map
7376 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
7377 .0;
7378
7379 // Don't move lines across excerpts
7380 if buffer
7381 .excerpt_containing(insertion_point..range_to_move.end)
7382 .is_some()
7383 {
7384 let text = buffer
7385 .text_for_range(range_to_move.clone())
7386 .flat_map(|s| s.chars())
7387 .skip(1)
7388 .chain(['\n'])
7389 .collect::<String>();
7390
7391 edits.push((
7392 buffer.anchor_after(range_to_move.start)
7393 ..buffer.anchor_before(range_to_move.end),
7394 String::new(),
7395 ));
7396 let insertion_anchor = buffer.anchor_after(insertion_point);
7397 edits.push((insertion_anchor..insertion_anchor, text));
7398
7399 let row_delta = range_to_move.start.row - insertion_point.row + 1;
7400
7401 // Move selections up
7402 new_selections.extend(contiguous_row_selections.drain(..).map(
7403 |mut selection| {
7404 selection.start.row -= row_delta;
7405 selection.end.row -= row_delta;
7406 selection
7407 },
7408 ));
7409
7410 // Move folds up
7411 unfold_ranges.push(range_to_move.clone());
7412 for fold in display_map.folds_in_range(
7413 buffer.anchor_before(range_to_move.start)
7414 ..buffer.anchor_after(range_to_move.end),
7415 ) {
7416 let mut start = fold.range.start.to_point(&buffer);
7417 let mut end = fold.range.end.to_point(&buffer);
7418 start.row -= row_delta;
7419 end.row -= row_delta;
7420 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7421 }
7422 }
7423 }
7424
7425 // If we didn't move line(s), preserve the existing selections
7426 new_selections.append(&mut contiguous_row_selections);
7427 }
7428
7429 self.transact(window, cx, |this, window, cx| {
7430 this.unfold_ranges(&unfold_ranges, true, true, cx);
7431 this.buffer.update(cx, |buffer, cx| {
7432 for (range, text) in edits {
7433 buffer.edit([(range, text)], None, cx);
7434 }
7435 });
7436 this.fold_creases(refold_creases, true, window, cx);
7437 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7438 s.select(new_selections);
7439 })
7440 });
7441 }
7442
7443 pub fn move_line_down(
7444 &mut self,
7445 _: &MoveLineDown,
7446 window: &mut Window,
7447 cx: &mut Context<Self>,
7448 ) {
7449 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7450 let buffer = self.buffer.read(cx).snapshot(cx);
7451
7452 let mut edits = Vec::new();
7453 let mut unfold_ranges = Vec::new();
7454 let mut refold_creases = Vec::new();
7455
7456 let selections = self.selections.all::<Point>(cx);
7457 let mut selections = selections.iter().peekable();
7458 let mut contiguous_row_selections = Vec::new();
7459 let mut new_selections = Vec::new();
7460
7461 while let Some(selection) = selections.next() {
7462 // Find all the selections that span a contiguous row range
7463 let (start_row, end_row) = consume_contiguous_rows(
7464 &mut contiguous_row_selections,
7465 selection,
7466 &display_map,
7467 &mut selections,
7468 );
7469
7470 // Move the text spanned by the row range to be after the last line of the row range
7471 if end_row.0 <= buffer.max_point().row {
7472 let range_to_move =
7473 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
7474 let insertion_point = display_map
7475 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
7476 .0;
7477
7478 // Don't move lines across excerpt boundaries
7479 if buffer
7480 .excerpt_containing(range_to_move.start..insertion_point)
7481 .is_some()
7482 {
7483 let mut text = String::from("\n");
7484 text.extend(buffer.text_for_range(range_to_move.clone()));
7485 text.pop(); // Drop trailing newline
7486 edits.push((
7487 buffer.anchor_after(range_to_move.start)
7488 ..buffer.anchor_before(range_to_move.end),
7489 String::new(),
7490 ));
7491 let insertion_anchor = buffer.anchor_after(insertion_point);
7492 edits.push((insertion_anchor..insertion_anchor, text));
7493
7494 let row_delta = insertion_point.row - range_to_move.end.row + 1;
7495
7496 // Move selections down
7497 new_selections.extend(contiguous_row_selections.drain(..).map(
7498 |mut selection| {
7499 selection.start.row += row_delta;
7500 selection.end.row += row_delta;
7501 selection
7502 },
7503 ));
7504
7505 // Move folds down
7506 unfold_ranges.push(range_to_move.clone());
7507 for fold in display_map.folds_in_range(
7508 buffer.anchor_before(range_to_move.start)
7509 ..buffer.anchor_after(range_to_move.end),
7510 ) {
7511 let mut start = fold.range.start.to_point(&buffer);
7512 let mut end = fold.range.end.to_point(&buffer);
7513 start.row += row_delta;
7514 end.row += row_delta;
7515 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7516 }
7517 }
7518 }
7519
7520 // If we didn't move line(s), preserve the existing selections
7521 new_selections.append(&mut contiguous_row_selections);
7522 }
7523
7524 self.transact(window, cx, |this, window, cx| {
7525 this.unfold_ranges(&unfold_ranges, true, true, cx);
7526 this.buffer.update(cx, |buffer, cx| {
7527 for (range, text) in edits {
7528 buffer.edit([(range, text)], None, cx);
7529 }
7530 });
7531 this.fold_creases(refold_creases, true, window, cx);
7532 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7533 s.select(new_selections)
7534 });
7535 });
7536 }
7537
7538 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
7539 let text_layout_details = &self.text_layout_details(window);
7540 self.transact(window, cx, |this, window, cx| {
7541 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7542 let mut edits: Vec<(Range<usize>, String)> = Default::default();
7543 let line_mode = s.line_mode;
7544 s.move_with(|display_map, selection| {
7545 if !selection.is_empty() || line_mode {
7546 return;
7547 }
7548
7549 let mut head = selection.head();
7550 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
7551 if head.column() == display_map.line_len(head.row()) {
7552 transpose_offset = display_map
7553 .buffer_snapshot
7554 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7555 }
7556
7557 if transpose_offset == 0 {
7558 return;
7559 }
7560
7561 *head.column_mut() += 1;
7562 head = display_map.clip_point(head, Bias::Right);
7563 let goal = SelectionGoal::HorizontalPosition(
7564 display_map
7565 .x_for_display_point(head, text_layout_details)
7566 .into(),
7567 );
7568 selection.collapse_to(head, goal);
7569
7570 let transpose_start = display_map
7571 .buffer_snapshot
7572 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7573 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7574 let transpose_end = display_map
7575 .buffer_snapshot
7576 .clip_offset(transpose_offset + 1, Bias::Right);
7577 if let Some(ch) =
7578 display_map.buffer_snapshot.chars_at(transpose_start).next()
7579 {
7580 edits.push((transpose_start..transpose_offset, String::new()));
7581 edits.push((transpose_end..transpose_end, ch.to_string()));
7582 }
7583 }
7584 });
7585 edits
7586 });
7587 this.buffer
7588 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7589 let selections = this.selections.all::<usize>(cx);
7590 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7591 s.select(selections);
7592 });
7593 });
7594 }
7595
7596 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7597 self.rewrap_impl(IsVimMode::No, cx)
7598 }
7599
7600 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7601 let buffer = self.buffer.read(cx).snapshot(cx);
7602 let selections = self.selections.all::<Point>(cx);
7603 let mut selections = selections.iter().peekable();
7604
7605 let mut edits = Vec::new();
7606 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7607
7608 while let Some(selection) = selections.next() {
7609 let mut start_row = selection.start.row;
7610 let mut end_row = selection.end.row;
7611
7612 // Skip selections that overlap with a range that has already been rewrapped.
7613 let selection_range = start_row..end_row;
7614 if rewrapped_row_ranges
7615 .iter()
7616 .any(|range| range.overlaps(&selection_range))
7617 {
7618 continue;
7619 }
7620
7621 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7622
7623 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7624 match language_scope.language_name().as_ref() {
7625 "Markdown" | "Plain Text" => {
7626 should_rewrap = true;
7627 }
7628 _ => {}
7629 }
7630 }
7631
7632 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7633
7634 // Since not all lines in the selection may be at the same indent
7635 // level, choose the indent size that is the most common between all
7636 // of the lines.
7637 //
7638 // If there is a tie, we use the deepest indent.
7639 let (indent_size, indent_end) = {
7640 let mut indent_size_occurrences = HashMap::default();
7641 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7642
7643 for row in start_row..=end_row {
7644 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7645 rows_by_indent_size.entry(indent).or_default().push(row);
7646 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7647 }
7648
7649 let indent_size = indent_size_occurrences
7650 .into_iter()
7651 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7652 .map(|(indent, _)| indent)
7653 .unwrap_or_default();
7654 let row = rows_by_indent_size[&indent_size][0];
7655 let indent_end = Point::new(row, indent_size.len);
7656
7657 (indent_size, indent_end)
7658 };
7659
7660 let mut line_prefix = indent_size.chars().collect::<String>();
7661
7662 if let Some(comment_prefix) =
7663 buffer
7664 .language_scope_at(selection.head())
7665 .and_then(|language| {
7666 language
7667 .line_comment_prefixes()
7668 .iter()
7669 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7670 .cloned()
7671 })
7672 {
7673 line_prefix.push_str(&comment_prefix);
7674 should_rewrap = true;
7675 }
7676
7677 if !should_rewrap {
7678 continue;
7679 }
7680
7681 if selection.is_empty() {
7682 'expand_upwards: while start_row > 0 {
7683 let prev_row = start_row - 1;
7684 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7685 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7686 {
7687 start_row = prev_row;
7688 } else {
7689 break 'expand_upwards;
7690 }
7691 }
7692
7693 'expand_downwards: while end_row < buffer.max_point().row {
7694 let next_row = end_row + 1;
7695 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7696 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7697 {
7698 end_row = next_row;
7699 } else {
7700 break 'expand_downwards;
7701 }
7702 }
7703 }
7704
7705 let start = Point::new(start_row, 0);
7706 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7707 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7708 let Some(lines_without_prefixes) = selection_text
7709 .lines()
7710 .map(|line| {
7711 line.strip_prefix(&line_prefix)
7712 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7713 .ok_or_else(|| {
7714 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7715 })
7716 })
7717 .collect::<Result<Vec<_>, _>>()
7718 .log_err()
7719 else {
7720 continue;
7721 };
7722
7723 let wrap_column = buffer
7724 .settings_at(Point::new(start_row, 0), cx)
7725 .preferred_line_length as usize;
7726 let wrapped_text = wrap_with_prefix(
7727 line_prefix,
7728 lines_without_prefixes.join(" "),
7729 wrap_column,
7730 tab_size,
7731 );
7732
7733 // TODO: should always use char-based diff while still supporting cursor behavior that
7734 // matches vim.
7735 let diff = match is_vim_mode {
7736 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7737 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7738 };
7739 let mut offset = start.to_offset(&buffer);
7740 let mut moved_since_edit = true;
7741
7742 for change in diff.iter_all_changes() {
7743 let value = change.value();
7744 match change.tag() {
7745 ChangeTag::Equal => {
7746 offset += value.len();
7747 moved_since_edit = true;
7748 }
7749 ChangeTag::Delete => {
7750 let start = buffer.anchor_after(offset);
7751 let end = buffer.anchor_before(offset + value.len());
7752
7753 if moved_since_edit {
7754 edits.push((start..end, String::new()));
7755 } else {
7756 edits.last_mut().unwrap().0.end = end;
7757 }
7758
7759 offset += value.len();
7760 moved_since_edit = false;
7761 }
7762 ChangeTag::Insert => {
7763 if moved_since_edit {
7764 let anchor = buffer.anchor_after(offset);
7765 edits.push((anchor..anchor, value.to_string()));
7766 } else {
7767 edits.last_mut().unwrap().1.push_str(value);
7768 }
7769
7770 moved_since_edit = false;
7771 }
7772 }
7773 }
7774
7775 rewrapped_row_ranges.push(start_row..=end_row);
7776 }
7777
7778 self.buffer
7779 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7780 }
7781
7782 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7783 let mut text = String::new();
7784 let buffer = self.buffer.read(cx).snapshot(cx);
7785 let mut selections = self.selections.all::<Point>(cx);
7786 let mut clipboard_selections = Vec::with_capacity(selections.len());
7787 {
7788 let max_point = buffer.max_point();
7789 let mut is_first = true;
7790 for selection in &mut selections {
7791 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7792 if is_entire_line {
7793 selection.start = Point::new(selection.start.row, 0);
7794 if !selection.is_empty() && selection.end.column == 0 {
7795 selection.end = cmp::min(max_point, selection.end);
7796 } else {
7797 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7798 }
7799 selection.goal = SelectionGoal::None;
7800 }
7801 if is_first {
7802 is_first = false;
7803 } else {
7804 text += "\n";
7805 }
7806 let mut len = 0;
7807 for chunk in buffer.text_for_range(selection.start..selection.end) {
7808 text.push_str(chunk);
7809 len += chunk.len();
7810 }
7811 clipboard_selections.push(ClipboardSelection {
7812 len,
7813 is_entire_line,
7814 first_line_indent: buffer
7815 .indent_size_for_line(MultiBufferRow(selection.start.row))
7816 .len,
7817 });
7818 }
7819 }
7820
7821 self.transact(window, cx, |this, window, cx| {
7822 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7823 s.select(selections);
7824 });
7825 this.insert("", window, cx);
7826 });
7827 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7828 }
7829
7830 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7831 let item = self.cut_common(window, cx);
7832 cx.write_to_clipboard(item);
7833 }
7834
7835 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7836 self.change_selections(None, window, cx, |s| {
7837 s.move_with(|snapshot, sel| {
7838 if sel.is_empty() {
7839 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7840 }
7841 });
7842 });
7843 let item = self.cut_common(window, cx);
7844 cx.set_global(KillRing(item))
7845 }
7846
7847 pub fn kill_ring_yank(
7848 &mut self,
7849 _: &KillRingYank,
7850 window: &mut Window,
7851 cx: &mut Context<Self>,
7852 ) {
7853 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7854 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7855 (kill_ring.text().to_string(), kill_ring.metadata_json())
7856 } else {
7857 return;
7858 }
7859 } else {
7860 return;
7861 };
7862 self.do_paste(&text, metadata, false, window, cx);
7863 }
7864
7865 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7866 let selections = self.selections.all::<Point>(cx);
7867 let buffer = self.buffer.read(cx).read(cx);
7868 let mut text = String::new();
7869
7870 let mut clipboard_selections = Vec::with_capacity(selections.len());
7871 {
7872 let max_point = buffer.max_point();
7873 let mut is_first = true;
7874 for selection in selections.iter() {
7875 let mut start = selection.start;
7876 let mut end = selection.end;
7877 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7878 if is_entire_line {
7879 start = Point::new(start.row, 0);
7880 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7881 }
7882 if is_first {
7883 is_first = false;
7884 } else {
7885 text += "\n";
7886 }
7887 let mut len = 0;
7888 for chunk in buffer.text_for_range(start..end) {
7889 text.push_str(chunk);
7890 len += chunk.len();
7891 }
7892 clipboard_selections.push(ClipboardSelection {
7893 len,
7894 is_entire_line,
7895 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7896 });
7897 }
7898 }
7899
7900 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7901 text,
7902 clipboard_selections,
7903 ));
7904 }
7905
7906 pub fn do_paste(
7907 &mut self,
7908 text: &String,
7909 clipboard_selections: Option<Vec<ClipboardSelection>>,
7910 handle_entire_lines: bool,
7911 window: &mut Window,
7912 cx: &mut Context<Self>,
7913 ) {
7914 if self.read_only(cx) {
7915 return;
7916 }
7917
7918 let clipboard_text = Cow::Borrowed(text);
7919
7920 self.transact(window, cx, |this, window, cx| {
7921 if let Some(mut clipboard_selections) = clipboard_selections {
7922 let old_selections = this.selections.all::<usize>(cx);
7923 let all_selections_were_entire_line =
7924 clipboard_selections.iter().all(|s| s.is_entire_line);
7925 let first_selection_indent_column =
7926 clipboard_selections.first().map(|s| s.first_line_indent);
7927 if clipboard_selections.len() != old_selections.len() {
7928 clipboard_selections.drain(..);
7929 }
7930 let cursor_offset = this.selections.last::<usize>(cx).head();
7931 let mut auto_indent_on_paste = true;
7932
7933 this.buffer.update(cx, |buffer, cx| {
7934 let snapshot = buffer.read(cx);
7935 auto_indent_on_paste =
7936 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7937
7938 let mut start_offset = 0;
7939 let mut edits = Vec::new();
7940 let mut original_indent_columns = Vec::new();
7941 for (ix, selection) in old_selections.iter().enumerate() {
7942 let to_insert;
7943 let entire_line;
7944 let original_indent_column;
7945 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7946 let end_offset = start_offset + clipboard_selection.len;
7947 to_insert = &clipboard_text[start_offset..end_offset];
7948 entire_line = clipboard_selection.is_entire_line;
7949 start_offset = end_offset + 1;
7950 original_indent_column = Some(clipboard_selection.first_line_indent);
7951 } else {
7952 to_insert = clipboard_text.as_str();
7953 entire_line = all_selections_were_entire_line;
7954 original_indent_column = first_selection_indent_column
7955 }
7956
7957 // If the corresponding selection was empty when this slice of the
7958 // clipboard text was written, then the entire line containing the
7959 // selection was copied. If this selection is also currently empty,
7960 // then paste the line before the current line of the buffer.
7961 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7962 let column = selection.start.to_point(&snapshot).column as usize;
7963 let line_start = selection.start - column;
7964 line_start..line_start
7965 } else {
7966 selection.range()
7967 };
7968
7969 edits.push((range, to_insert));
7970 original_indent_columns.extend(original_indent_column);
7971 }
7972 drop(snapshot);
7973
7974 buffer.edit(
7975 edits,
7976 if auto_indent_on_paste {
7977 Some(AutoindentMode::Block {
7978 original_indent_columns,
7979 })
7980 } else {
7981 None
7982 },
7983 cx,
7984 );
7985 });
7986
7987 let selections = this.selections.all::<usize>(cx);
7988 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7989 s.select(selections)
7990 });
7991 } else {
7992 this.insert(&clipboard_text, window, cx);
7993 }
7994 });
7995 }
7996
7997 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7998 if let Some(item) = cx.read_from_clipboard() {
7999 let entries = item.entries();
8000
8001 match entries.first() {
8002 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
8003 // of all the pasted entries.
8004 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
8005 .do_paste(
8006 clipboard_string.text(),
8007 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
8008 true,
8009 window,
8010 cx,
8011 ),
8012 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
8013 }
8014 }
8015 }
8016
8017 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
8018 if self.read_only(cx) {
8019 return;
8020 }
8021
8022 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
8023 if let Some((selections, _)) =
8024 self.selection_history.transaction(transaction_id).cloned()
8025 {
8026 self.change_selections(None, window, cx, |s| {
8027 s.select_anchors(selections.to_vec());
8028 });
8029 }
8030 self.request_autoscroll(Autoscroll::fit(), cx);
8031 self.unmark_text(window, cx);
8032 self.refresh_inline_completion(true, false, window, cx);
8033 cx.emit(EditorEvent::Edited { transaction_id });
8034 cx.emit(EditorEvent::TransactionUndone { transaction_id });
8035 }
8036 }
8037
8038 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
8039 if self.read_only(cx) {
8040 return;
8041 }
8042
8043 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
8044 if let Some((_, Some(selections))) =
8045 self.selection_history.transaction(transaction_id).cloned()
8046 {
8047 self.change_selections(None, window, cx, |s| {
8048 s.select_anchors(selections.to_vec());
8049 });
8050 }
8051 self.request_autoscroll(Autoscroll::fit(), cx);
8052 self.unmark_text(window, cx);
8053 self.refresh_inline_completion(true, false, window, cx);
8054 cx.emit(EditorEvent::Edited { transaction_id });
8055 }
8056 }
8057
8058 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
8059 self.buffer
8060 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
8061 }
8062
8063 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
8064 self.buffer
8065 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
8066 }
8067
8068 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
8069 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8070 let line_mode = s.line_mode;
8071 s.move_with(|map, selection| {
8072 let cursor = if selection.is_empty() && !line_mode {
8073 movement::left(map, selection.start)
8074 } else {
8075 selection.start
8076 };
8077 selection.collapse_to(cursor, SelectionGoal::None);
8078 });
8079 })
8080 }
8081
8082 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
8083 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8084 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
8085 })
8086 }
8087
8088 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
8089 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8090 let line_mode = s.line_mode;
8091 s.move_with(|map, selection| {
8092 let cursor = if selection.is_empty() && !line_mode {
8093 movement::right(map, selection.end)
8094 } else {
8095 selection.end
8096 };
8097 selection.collapse_to(cursor, SelectionGoal::None)
8098 });
8099 })
8100 }
8101
8102 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
8103 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8104 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
8105 })
8106 }
8107
8108 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
8109 if self.take_rename(true, window, cx).is_some() {
8110 return;
8111 }
8112
8113 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8114 cx.propagate();
8115 return;
8116 }
8117
8118 let text_layout_details = &self.text_layout_details(window);
8119 let selection_count = self.selections.count();
8120 let first_selection = self.selections.first_anchor();
8121
8122 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8123 let line_mode = s.line_mode;
8124 s.move_with(|map, selection| {
8125 if !selection.is_empty() && !line_mode {
8126 selection.goal = SelectionGoal::None;
8127 }
8128 let (cursor, goal) = movement::up(
8129 map,
8130 selection.start,
8131 selection.goal,
8132 false,
8133 text_layout_details,
8134 );
8135 selection.collapse_to(cursor, goal);
8136 });
8137 });
8138
8139 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8140 {
8141 cx.propagate();
8142 }
8143 }
8144
8145 pub fn move_up_by_lines(
8146 &mut self,
8147 action: &MoveUpByLines,
8148 window: &mut Window,
8149 cx: &mut Context<Self>,
8150 ) {
8151 if self.take_rename(true, window, cx).is_some() {
8152 return;
8153 }
8154
8155 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8156 cx.propagate();
8157 return;
8158 }
8159
8160 let text_layout_details = &self.text_layout_details(window);
8161
8162 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8163 let line_mode = s.line_mode;
8164 s.move_with(|map, selection| {
8165 if !selection.is_empty() && !line_mode {
8166 selection.goal = SelectionGoal::None;
8167 }
8168 let (cursor, goal) = movement::up_by_rows(
8169 map,
8170 selection.start,
8171 action.lines,
8172 selection.goal,
8173 false,
8174 text_layout_details,
8175 );
8176 selection.collapse_to(cursor, goal);
8177 });
8178 })
8179 }
8180
8181 pub fn move_down_by_lines(
8182 &mut self,
8183 action: &MoveDownByLines,
8184 window: &mut Window,
8185 cx: &mut Context<Self>,
8186 ) {
8187 if self.take_rename(true, window, cx).is_some() {
8188 return;
8189 }
8190
8191 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8192 cx.propagate();
8193 return;
8194 }
8195
8196 let text_layout_details = &self.text_layout_details(window);
8197
8198 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8199 let line_mode = s.line_mode;
8200 s.move_with(|map, selection| {
8201 if !selection.is_empty() && !line_mode {
8202 selection.goal = SelectionGoal::None;
8203 }
8204 let (cursor, goal) = movement::down_by_rows(
8205 map,
8206 selection.start,
8207 action.lines,
8208 selection.goal,
8209 false,
8210 text_layout_details,
8211 );
8212 selection.collapse_to(cursor, goal);
8213 });
8214 })
8215 }
8216
8217 pub fn select_down_by_lines(
8218 &mut self,
8219 action: &SelectDownByLines,
8220 window: &mut Window,
8221 cx: &mut Context<Self>,
8222 ) {
8223 let text_layout_details = &self.text_layout_details(window);
8224 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8225 s.move_heads_with(|map, head, goal| {
8226 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
8227 })
8228 })
8229 }
8230
8231 pub fn select_up_by_lines(
8232 &mut self,
8233 action: &SelectUpByLines,
8234 window: &mut Window,
8235 cx: &mut Context<Self>,
8236 ) {
8237 let text_layout_details = &self.text_layout_details(window);
8238 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8239 s.move_heads_with(|map, head, goal| {
8240 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
8241 })
8242 })
8243 }
8244
8245 pub fn select_page_up(
8246 &mut self,
8247 _: &SelectPageUp,
8248 window: &mut Window,
8249 cx: &mut Context<Self>,
8250 ) {
8251 let Some(row_count) = self.visible_row_count() else {
8252 return;
8253 };
8254
8255 let text_layout_details = &self.text_layout_details(window);
8256
8257 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8258 s.move_heads_with(|map, head, goal| {
8259 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
8260 })
8261 })
8262 }
8263
8264 pub fn move_page_up(
8265 &mut self,
8266 action: &MovePageUp,
8267 window: &mut Window,
8268 cx: &mut Context<Self>,
8269 ) {
8270 if self.take_rename(true, window, cx).is_some() {
8271 return;
8272 }
8273
8274 if self
8275 .context_menu
8276 .borrow_mut()
8277 .as_mut()
8278 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
8279 .unwrap_or(false)
8280 {
8281 return;
8282 }
8283
8284 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8285 cx.propagate();
8286 return;
8287 }
8288
8289 let Some(row_count) = self.visible_row_count() else {
8290 return;
8291 };
8292
8293 let autoscroll = if action.center_cursor {
8294 Autoscroll::center()
8295 } else {
8296 Autoscroll::fit()
8297 };
8298
8299 let text_layout_details = &self.text_layout_details(window);
8300
8301 self.change_selections(Some(autoscroll), window, cx, |s| {
8302 let line_mode = s.line_mode;
8303 s.move_with(|map, selection| {
8304 if !selection.is_empty() && !line_mode {
8305 selection.goal = SelectionGoal::None;
8306 }
8307 let (cursor, goal) = movement::up_by_rows(
8308 map,
8309 selection.end,
8310 row_count,
8311 selection.goal,
8312 false,
8313 text_layout_details,
8314 );
8315 selection.collapse_to(cursor, goal);
8316 });
8317 });
8318 }
8319
8320 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
8321 let text_layout_details = &self.text_layout_details(window);
8322 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8323 s.move_heads_with(|map, head, goal| {
8324 movement::up(map, head, goal, false, text_layout_details)
8325 })
8326 })
8327 }
8328
8329 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
8330 self.take_rename(true, window, cx);
8331
8332 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8333 cx.propagate();
8334 return;
8335 }
8336
8337 let text_layout_details = &self.text_layout_details(window);
8338 let selection_count = self.selections.count();
8339 let first_selection = self.selections.first_anchor();
8340
8341 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8342 let line_mode = s.line_mode;
8343 s.move_with(|map, selection| {
8344 if !selection.is_empty() && !line_mode {
8345 selection.goal = SelectionGoal::None;
8346 }
8347 let (cursor, goal) = movement::down(
8348 map,
8349 selection.end,
8350 selection.goal,
8351 false,
8352 text_layout_details,
8353 );
8354 selection.collapse_to(cursor, goal);
8355 });
8356 });
8357
8358 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8359 {
8360 cx.propagate();
8361 }
8362 }
8363
8364 pub fn select_page_down(
8365 &mut self,
8366 _: &SelectPageDown,
8367 window: &mut Window,
8368 cx: &mut Context<Self>,
8369 ) {
8370 let Some(row_count) = self.visible_row_count() else {
8371 return;
8372 };
8373
8374 let text_layout_details = &self.text_layout_details(window);
8375
8376 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8377 s.move_heads_with(|map, head, goal| {
8378 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
8379 })
8380 })
8381 }
8382
8383 pub fn move_page_down(
8384 &mut self,
8385 action: &MovePageDown,
8386 window: &mut Window,
8387 cx: &mut Context<Self>,
8388 ) {
8389 if self.take_rename(true, window, cx).is_some() {
8390 return;
8391 }
8392
8393 if self
8394 .context_menu
8395 .borrow_mut()
8396 .as_mut()
8397 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
8398 .unwrap_or(false)
8399 {
8400 return;
8401 }
8402
8403 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8404 cx.propagate();
8405 return;
8406 }
8407
8408 let Some(row_count) = self.visible_row_count() else {
8409 return;
8410 };
8411
8412 let autoscroll = if action.center_cursor {
8413 Autoscroll::center()
8414 } else {
8415 Autoscroll::fit()
8416 };
8417
8418 let text_layout_details = &self.text_layout_details(window);
8419 self.change_selections(Some(autoscroll), window, cx, |s| {
8420 let line_mode = s.line_mode;
8421 s.move_with(|map, selection| {
8422 if !selection.is_empty() && !line_mode {
8423 selection.goal = SelectionGoal::None;
8424 }
8425 let (cursor, goal) = movement::down_by_rows(
8426 map,
8427 selection.end,
8428 row_count,
8429 selection.goal,
8430 false,
8431 text_layout_details,
8432 );
8433 selection.collapse_to(cursor, goal);
8434 });
8435 });
8436 }
8437
8438 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
8439 let text_layout_details = &self.text_layout_details(window);
8440 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8441 s.move_heads_with(|map, head, goal| {
8442 movement::down(map, head, goal, false, text_layout_details)
8443 })
8444 });
8445 }
8446
8447 pub fn context_menu_first(
8448 &mut self,
8449 _: &ContextMenuFirst,
8450 _window: &mut Window,
8451 cx: &mut Context<Self>,
8452 ) {
8453 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8454 context_menu.select_first(self.completion_provider.as_deref(), cx);
8455 }
8456 }
8457
8458 pub fn context_menu_prev(
8459 &mut self,
8460 _: &ContextMenuPrev,
8461 _window: &mut Window,
8462 cx: &mut Context<Self>,
8463 ) {
8464 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8465 context_menu.select_prev(self.completion_provider.as_deref(), cx);
8466 }
8467 }
8468
8469 pub fn context_menu_next(
8470 &mut self,
8471 _: &ContextMenuNext,
8472 _window: &mut Window,
8473 cx: &mut Context<Self>,
8474 ) {
8475 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8476 context_menu.select_next(self.completion_provider.as_deref(), cx);
8477 }
8478 }
8479
8480 pub fn context_menu_last(
8481 &mut self,
8482 _: &ContextMenuLast,
8483 _window: &mut Window,
8484 cx: &mut Context<Self>,
8485 ) {
8486 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8487 context_menu.select_last(self.completion_provider.as_deref(), cx);
8488 }
8489 }
8490
8491 pub fn move_to_previous_word_start(
8492 &mut self,
8493 _: &MoveToPreviousWordStart,
8494 window: &mut Window,
8495 cx: &mut Context<Self>,
8496 ) {
8497 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8498 s.move_cursors_with(|map, head, _| {
8499 (
8500 movement::previous_word_start(map, head),
8501 SelectionGoal::None,
8502 )
8503 });
8504 })
8505 }
8506
8507 pub fn move_to_previous_subword_start(
8508 &mut self,
8509 _: &MoveToPreviousSubwordStart,
8510 window: &mut Window,
8511 cx: &mut Context<Self>,
8512 ) {
8513 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8514 s.move_cursors_with(|map, head, _| {
8515 (
8516 movement::previous_subword_start(map, head),
8517 SelectionGoal::None,
8518 )
8519 });
8520 })
8521 }
8522
8523 pub fn select_to_previous_word_start(
8524 &mut self,
8525 _: &SelectToPreviousWordStart,
8526 window: &mut Window,
8527 cx: &mut Context<Self>,
8528 ) {
8529 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8530 s.move_heads_with(|map, head, _| {
8531 (
8532 movement::previous_word_start(map, head),
8533 SelectionGoal::None,
8534 )
8535 });
8536 })
8537 }
8538
8539 pub fn select_to_previous_subword_start(
8540 &mut self,
8541 _: &SelectToPreviousSubwordStart,
8542 window: &mut Window,
8543 cx: &mut Context<Self>,
8544 ) {
8545 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8546 s.move_heads_with(|map, head, _| {
8547 (
8548 movement::previous_subword_start(map, head),
8549 SelectionGoal::None,
8550 )
8551 });
8552 })
8553 }
8554
8555 pub fn delete_to_previous_word_start(
8556 &mut self,
8557 action: &DeleteToPreviousWordStart,
8558 window: &mut Window,
8559 cx: &mut Context<Self>,
8560 ) {
8561 self.transact(window, cx, |this, window, cx| {
8562 this.select_autoclose_pair(window, cx);
8563 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8564 let line_mode = s.line_mode;
8565 s.move_with(|map, selection| {
8566 if selection.is_empty() && !line_mode {
8567 let cursor = if action.ignore_newlines {
8568 movement::previous_word_start(map, selection.head())
8569 } else {
8570 movement::previous_word_start_or_newline(map, selection.head())
8571 };
8572 selection.set_head(cursor, SelectionGoal::None);
8573 }
8574 });
8575 });
8576 this.insert("", window, cx);
8577 });
8578 }
8579
8580 pub fn delete_to_previous_subword_start(
8581 &mut self,
8582 _: &DeleteToPreviousSubwordStart,
8583 window: &mut Window,
8584 cx: &mut Context<Self>,
8585 ) {
8586 self.transact(window, cx, |this, window, cx| {
8587 this.select_autoclose_pair(window, cx);
8588 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8589 let line_mode = s.line_mode;
8590 s.move_with(|map, selection| {
8591 if selection.is_empty() && !line_mode {
8592 let cursor = movement::previous_subword_start(map, selection.head());
8593 selection.set_head(cursor, SelectionGoal::None);
8594 }
8595 });
8596 });
8597 this.insert("", window, cx);
8598 });
8599 }
8600
8601 pub fn move_to_next_word_end(
8602 &mut self,
8603 _: &MoveToNextWordEnd,
8604 window: &mut Window,
8605 cx: &mut Context<Self>,
8606 ) {
8607 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8608 s.move_cursors_with(|map, head, _| {
8609 (movement::next_word_end(map, head), SelectionGoal::None)
8610 });
8611 })
8612 }
8613
8614 pub fn move_to_next_subword_end(
8615 &mut self,
8616 _: &MoveToNextSubwordEnd,
8617 window: &mut Window,
8618 cx: &mut Context<Self>,
8619 ) {
8620 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8621 s.move_cursors_with(|map, head, _| {
8622 (movement::next_subword_end(map, head), SelectionGoal::None)
8623 });
8624 })
8625 }
8626
8627 pub fn select_to_next_word_end(
8628 &mut self,
8629 _: &SelectToNextWordEnd,
8630 window: &mut Window,
8631 cx: &mut Context<Self>,
8632 ) {
8633 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8634 s.move_heads_with(|map, head, _| {
8635 (movement::next_word_end(map, head), SelectionGoal::None)
8636 });
8637 })
8638 }
8639
8640 pub fn select_to_next_subword_end(
8641 &mut self,
8642 _: &SelectToNextSubwordEnd,
8643 window: &mut Window,
8644 cx: &mut Context<Self>,
8645 ) {
8646 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8647 s.move_heads_with(|map, head, _| {
8648 (movement::next_subword_end(map, head), SelectionGoal::None)
8649 });
8650 })
8651 }
8652
8653 pub fn delete_to_next_word_end(
8654 &mut self,
8655 action: &DeleteToNextWordEnd,
8656 window: &mut Window,
8657 cx: &mut Context<Self>,
8658 ) {
8659 self.transact(window, cx, |this, window, cx| {
8660 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8661 let line_mode = s.line_mode;
8662 s.move_with(|map, selection| {
8663 if selection.is_empty() && !line_mode {
8664 let cursor = if action.ignore_newlines {
8665 movement::next_word_end(map, selection.head())
8666 } else {
8667 movement::next_word_end_or_newline(map, selection.head())
8668 };
8669 selection.set_head(cursor, SelectionGoal::None);
8670 }
8671 });
8672 });
8673 this.insert("", window, cx);
8674 });
8675 }
8676
8677 pub fn delete_to_next_subword_end(
8678 &mut self,
8679 _: &DeleteToNextSubwordEnd,
8680 window: &mut Window,
8681 cx: &mut Context<Self>,
8682 ) {
8683 self.transact(window, cx, |this, window, cx| {
8684 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8685 s.move_with(|map, selection| {
8686 if selection.is_empty() {
8687 let cursor = movement::next_subword_end(map, selection.head());
8688 selection.set_head(cursor, SelectionGoal::None);
8689 }
8690 });
8691 });
8692 this.insert("", window, cx);
8693 });
8694 }
8695
8696 pub fn move_to_beginning_of_line(
8697 &mut self,
8698 action: &MoveToBeginningOfLine,
8699 window: &mut Window,
8700 cx: &mut Context<Self>,
8701 ) {
8702 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8703 s.move_cursors_with(|map, head, _| {
8704 (
8705 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8706 SelectionGoal::None,
8707 )
8708 });
8709 })
8710 }
8711
8712 pub fn select_to_beginning_of_line(
8713 &mut self,
8714 action: &SelectToBeginningOfLine,
8715 window: &mut Window,
8716 cx: &mut Context<Self>,
8717 ) {
8718 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8719 s.move_heads_with(|map, head, _| {
8720 (
8721 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8722 SelectionGoal::None,
8723 )
8724 });
8725 });
8726 }
8727
8728 pub fn delete_to_beginning_of_line(
8729 &mut self,
8730 _: &DeleteToBeginningOfLine,
8731 window: &mut Window,
8732 cx: &mut Context<Self>,
8733 ) {
8734 self.transact(window, cx, |this, window, cx| {
8735 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8736 s.move_with(|_, selection| {
8737 selection.reversed = true;
8738 });
8739 });
8740
8741 this.select_to_beginning_of_line(
8742 &SelectToBeginningOfLine {
8743 stop_at_soft_wraps: false,
8744 },
8745 window,
8746 cx,
8747 );
8748 this.backspace(&Backspace, window, cx);
8749 });
8750 }
8751
8752 pub fn move_to_end_of_line(
8753 &mut self,
8754 action: &MoveToEndOfLine,
8755 window: &mut Window,
8756 cx: &mut Context<Self>,
8757 ) {
8758 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8759 s.move_cursors_with(|map, head, _| {
8760 (
8761 movement::line_end(map, head, action.stop_at_soft_wraps),
8762 SelectionGoal::None,
8763 )
8764 });
8765 })
8766 }
8767
8768 pub fn select_to_end_of_line(
8769 &mut self,
8770 action: &SelectToEndOfLine,
8771 window: &mut Window,
8772 cx: &mut Context<Self>,
8773 ) {
8774 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8775 s.move_heads_with(|map, head, _| {
8776 (
8777 movement::line_end(map, head, action.stop_at_soft_wraps),
8778 SelectionGoal::None,
8779 )
8780 });
8781 })
8782 }
8783
8784 pub fn delete_to_end_of_line(
8785 &mut self,
8786 _: &DeleteToEndOfLine,
8787 window: &mut Window,
8788 cx: &mut Context<Self>,
8789 ) {
8790 self.transact(window, cx, |this, window, cx| {
8791 this.select_to_end_of_line(
8792 &SelectToEndOfLine {
8793 stop_at_soft_wraps: false,
8794 },
8795 window,
8796 cx,
8797 );
8798 this.delete(&Delete, window, cx);
8799 });
8800 }
8801
8802 pub fn cut_to_end_of_line(
8803 &mut self,
8804 _: &CutToEndOfLine,
8805 window: &mut Window,
8806 cx: &mut Context<Self>,
8807 ) {
8808 self.transact(window, cx, |this, window, cx| {
8809 this.select_to_end_of_line(
8810 &SelectToEndOfLine {
8811 stop_at_soft_wraps: false,
8812 },
8813 window,
8814 cx,
8815 );
8816 this.cut(&Cut, window, cx);
8817 });
8818 }
8819
8820 pub fn move_to_start_of_paragraph(
8821 &mut self,
8822 _: &MoveToStartOfParagraph,
8823 window: &mut Window,
8824 cx: &mut Context<Self>,
8825 ) {
8826 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8827 cx.propagate();
8828 return;
8829 }
8830
8831 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8832 s.move_with(|map, selection| {
8833 selection.collapse_to(
8834 movement::start_of_paragraph(map, selection.head(), 1),
8835 SelectionGoal::None,
8836 )
8837 });
8838 })
8839 }
8840
8841 pub fn move_to_end_of_paragraph(
8842 &mut self,
8843 _: &MoveToEndOfParagraph,
8844 window: &mut Window,
8845 cx: &mut Context<Self>,
8846 ) {
8847 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8848 cx.propagate();
8849 return;
8850 }
8851
8852 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8853 s.move_with(|map, selection| {
8854 selection.collapse_to(
8855 movement::end_of_paragraph(map, selection.head(), 1),
8856 SelectionGoal::None,
8857 )
8858 });
8859 })
8860 }
8861
8862 pub fn select_to_start_of_paragraph(
8863 &mut self,
8864 _: &SelectToStartOfParagraph,
8865 window: &mut Window,
8866 cx: &mut Context<Self>,
8867 ) {
8868 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8869 cx.propagate();
8870 return;
8871 }
8872
8873 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8874 s.move_heads_with(|map, head, _| {
8875 (
8876 movement::start_of_paragraph(map, head, 1),
8877 SelectionGoal::None,
8878 )
8879 });
8880 })
8881 }
8882
8883 pub fn select_to_end_of_paragraph(
8884 &mut self,
8885 _: &SelectToEndOfParagraph,
8886 window: &mut Window,
8887 cx: &mut Context<Self>,
8888 ) {
8889 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8890 cx.propagate();
8891 return;
8892 }
8893
8894 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8895 s.move_heads_with(|map, head, _| {
8896 (
8897 movement::end_of_paragraph(map, head, 1),
8898 SelectionGoal::None,
8899 )
8900 });
8901 })
8902 }
8903
8904 pub fn move_to_beginning(
8905 &mut self,
8906 _: &MoveToBeginning,
8907 window: &mut Window,
8908 cx: &mut Context<Self>,
8909 ) {
8910 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8911 cx.propagate();
8912 return;
8913 }
8914
8915 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8916 s.select_ranges(vec![0..0]);
8917 });
8918 }
8919
8920 pub fn select_to_beginning(
8921 &mut self,
8922 _: &SelectToBeginning,
8923 window: &mut Window,
8924 cx: &mut Context<Self>,
8925 ) {
8926 let mut selection = self.selections.last::<Point>(cx);
8927 selection.set_head(Point::zero(), SelectionGoal::None);
8928
8929 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8930 s.select(vec![selection]);
8931 });
8932 }
8933
8934 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8935 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8936 cx.propagate();
8937 return;
8938 }
8939
8940 let cursor = self.buffer.read(cx).read(cx).len();
8941 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8942 s.select_ranges(vec![cursor..cursor])
8943 });
8944 }
8945
8946 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8947 self.nav_history = nav_history;
8948 }
8949
8950 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8951 self.nav_history.as_ref()
8952 }
8953
8954 fn push_to_nav_history(
8955 &mut self,
8956 cursor_anchor: Anchor,
8957 new_position: Option<Point>,
8958 cx: &mut Context<Self>,
8959 ) {
8960 if let Some(nav_history) = self.nav_history.as_mut() {
8961 let buffer = self.buffer.read(cx).read(cx);
8962 let cursor_position = cursor_anchor.to_point(&buffer);
8963 let scroll_state = self.scroll_manager.anchor();
8964 let scroll_top_row = scroll_state.top_row(&buffer);
8965 drop(buffer);
8966
8967 if let Some(new_position) = new_position {
8968 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8969 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8970 return;
8971 }
8972 }
8973
8974 nav_history.push(
8975 Some(NavigationData {
8976 cursor_anchor,
8977 cursor_position,
8978 scroll_anchor: scroll_state,
8979 scroll_top_row,
8980 }),
8981 cx,
8982 );
8983 }
8984 }
8985
8986 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8987 let buffer = self.buffer.read(cx).snapshot(cx);
8988 let mut selection = self.selections.first::<usize>(cx);
8989 selection.set_head(buffer.len(), SelectionGoal::None);
8990 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8991 s.select(vec![selection]);
8992 });
8993 }
8994
8995 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8996 let end = self.buffer.read(cx).read(cx).len();
8997 self.change_selections(None, window, cx, |s| {
8998 s.select_ranges(vec![0..end]);
8999 });
9000 }
9001
9002 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
9003 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9004 let mut selections = self.selections.all::<Point>(cx);
9005 let max_point = display_map.buffer_snapshot.max_point();
9006 for selection in &mut selections {
9007 let rows = selection.spanned_rows(true, &display_map);
9008 selection.start = Point::new(rows.start.0, 0);
9009 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
9010 selection.reversed = false;
9011 }
9012 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9013 s.select(selections);
9014 });
9015 }
9016
9017 pub fn split_selection_into_lines(
9018 &mut self,
9019 _: &SplitSelectionIntoLines,
9020 window: &mut Window,
9021 cx: &mut Context<Self>,
9022 ) {
9023 let mut to_unfold = Vec::new();
9024 let mut new_selection_ranges = Vec::new();
9025 {
9026 let selections = self.selections.all::<Point>(cx);
9027 let buffer = self.buffer.read(cx).read(cx);
9028 for selection in selections {
9029 for row in selection.start.row..selection.end.row {
9030 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
9031 new_selection_ranges.push(cursor..cursor);
9032 }
9033 new_selection_ranges.push(selection.end..selection.end);
9034 to_unfold.push(selection.start..selection.end);
9035 }
9036 }
9037 self.unfold_ranges(&to_unfold, true, true, cx);
9038 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9039 s.select_ranges(new_selection_ranges);
9040 });
9041 }
9042
9043 pub fn add_selection_above(
9044 &mut self,
9045 _: &AddSelectionAbove,
9046 window: &mut Window,
9047 cx: &mut Context<Self>,
9048 ) {
9049 self.add_selection(true, window, cx);
9050 }
9051
9052 pub fn add_selection_below(
9053 &mut self,
9054 _: &AddSelectionBelow,
9055 window: &mut Window,
9056 cx: &mut Context<Self>,
9057 ) {
9058 self.add_selection(false, window, cx);
9059 }
9060
9061 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
9062 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9063 let mut selections = self.selections.all::<Point>(cx);
9064 let text_layout_details = self.text_layout_details(window);
9065 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
9066 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
9067 let range = oldest_selection.display_range(&display_map).sorted();
9068
9069 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
9070 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
9071 let positions = start_x.min(end_x)..start_x.max(end_x);
9072
9073 selections.clear();
9074 let mut stack = Vec::new();
9075 for row in range.start.row().0..=range.end.row().0 {
9076 if let Some(selection) = self.selections.build_columnar_selection(
9077 &display_map,
9078 DisplayRow(row),
9079 &positions,
9080 oldest_selection.reversed,
9081 &text_layout_details,
9082 ) {
9083 stack.push(selection.id);
9084 selections.push(selection);
9085 }
9086 }
9087
9088 if above {
9089 stack.reverse();
9090 }
9091
9092 AddSelectionsState { above, stack }
9093 });
9094
9095 let last_added_selection = *state.stack.last().unwrap();
9096 let mut new_selections = Vec::new();
9097 if above == state.above {
9098 let end_row = if above {
9099 DisplayRow(0)
9100 } else {
9101 display_map.max_point().row()
9102 };
9103
9104 'outer: for selection in selections {
9105 if selection.id == last_added_selection {
9106 let range = selection.display_range(&display_map).sorted();
9107 debug_assert_eq!(range.start.row(), range.end.row());
9108 let mut row = range.start.row();
9109 let positions =
9110 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
9111 px(start)..px(end)
9112 } else {
9113 let start_x =
9114 display_map.x_for_display_point(range.start, &text_layout_details);
9115 let end_x =
9116 display_map.x_for_display_point(range.end, &text_layout_details);
9117 start_x.min(end_x)..start_x.max(end_x)
9118 };
9119
9120 while row != end_row {
9121 if above {
9122 row.0 -= 1;
9123 } else {
9124 row.0 += 1;
9125 }
9126
9127 if let Some(new_selection) = self.selections.build_columnar_selection(
9128 &display_map,
9129 row,
9130 &positions,
9131 selection.reversed,
9132 &text_layout_details,
9133 ) {
9134 state.stack.push(new_selection.id);
9135 if above {
9136 new_selections.push(new_selection);
9137 new_selections.push(selection);
9138 } else {
9139 new_selections.push(selection);
9140 new_selections.push(new_selection);
9141 }
9142
9143 continue 'outer;
9144 }
9145 }
9146 }
9147
9148 new_selections.push(selection);
9149 }
9150 } else {
9151 new_selections = selections;
9152 new_selections.retain(|s| s.id != last_added_selection);
9153 state.stack.pop();
9154 }
9155
9156 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9157 s.select(new_selections);
9158 });
9159 if state.stack.len() > 1 {
9160 self.add_selections_state = Some(state);
9161 }
9162 }
9163
9164 pub fn select_next_match_internal(
9165 &mut self,
9166 display_map: &DisplaySnapshot,
9167 replace_newest: bool,
9168 autoscroll: Option<Autoscroll>,
9169 window: &mut Window,
9170 cx: &mut Context<Self>,
9171 ) -> Result<()> {
9172 fn select_next_match_ranges(
9173 this: &mut Editor,
9174 range: Range<usize>,
9175 replace_newest: bool,
9176 auto_scroll: Option<Autoscroll>,
9177 window: &mut Window,
9178 cx: &mut Context<Editor>,
9179 ) {
9180 this.unfold_ranges(&[range.clone()], false, true, cx);
9181 this.change_selections(auto_scroll, window, cx, |s| {
9182 if replace_newest {
9183 s.delete(s.newest_anchor().id);
9184 }
9185 s.insert_range(range.clone());
9186 });
9187 }
9188
9189 let buffer = &display_map.buffer_snapshot;
9190 let mut selections = self.selections.all::<usize>(cx);
9191 if let Some(mut select_next_state) = self.select_next_state.take() {
9192 let query = &select_next_state.query;
9193 if !select_next_state.done {
9194 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9195 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9196 let mut next_selected_range = None;
9197
9198 let bytes_after_last_selection =
9199 buffer.bytes_in_range(last_selection.end..buffer.len());
9200 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
9201 let query_matches = query
9202 .stream_find_iter(bytes_after_last_selection)
9203 .map(|result| (last_selection.end, result))
9204 .chain(
9205 query
9206 .stream_find_iter(bytes_before_first_selection)
9207 .map(|result| (0, result)),
9208 );
9209
9210 for (start_offset, query_match) in query_matches {
9211 let query_match = query_match.unwrap(); // can only fail due to I/O
9212 let offset_range =
9213 start_offset + query_match.start()..start_offset + query_match.end();
9214 let display_range = offset_range.start.to_display_point(display_map)
9215 ..offset_range.end.to_display_point(display_map);
9216
9217 if !select_next_state.wordwise
9218 || (!movement::is_inside_word(display_map, display_range.start)
9219 && !movement::is_inside_word(display_map, display_range.end))
9220 {
9221 // TODO: This is n^2, because we might check all the selections
9222 if !selections
9223 .iter()
9224 .any(|selection| selection.range().overlaps(&offset_range))
9225 {
9226 next_selected_range = Some(offset_range);
9227 break;
9228 }
9229 }
9230 }
9231
9232 if let Some(next_selected_range) = next_selected_range {
9233 select_next_match_ranges(
9234 self,
9235 next_selected_range,
9236 replace_newest,
9237 autoscroll,
9238 window,
9239 cx,
9240 );
9241 } else {
9242 select_next_state.done = true;
9243 }
9244 }
9245
9246 self.select_next_state = Some(select_next_state);
9247 } else {
9248 let mut only_carets = true;
9249 let mut same_text_selected = true;
9250 let mut selected_text = None;
9251
9252 let mut selections_iter = selections.iter().peekable();
9253 while let Some(selection) = selections_iter.next() {
9254 if selection.start != selection.end {
9255 only_carets = false;
9256 }
9257
9258 if same_text_selected {
9259 if selected_text.is_none() {
9260 selected_text =
9261 Some(buffer.text_for_range(selection.range()).collect::<String>());
9262 }
9263
9264 if let Some(next_selection) = selections_iter.peek() {
9265 if next_selection.range().len() == selection.range().len() {
9266 let next_selected_text = buffer
9267 .text_for_range(next_selection.range())
9268 .collect::<String>();
9269 if Some(next_selected_text) != selected_text {
9270 same_text_selected = false;
9271 selected_text = None;
9272 }
9273 } else {
9274 same_text_selected = false;
9275 selected_text = None;
9276 }
9277 }
9278 }
9279 }
9280
9281 if only_carets {
9282 for selection in &mut selections {
9283 let word_range = movement::surrounding_word(
9284 display_map,
9285 selection.start.to_display_point(display_map),
9286 );
9287 selection.start = word_range.start.to_offset(display_map, Bias::Left);
9288 selection.end = word_range.end.to_offset(display_map, Bias::Left);
9289 selection.goal = SelectionGoal::None;
9290 selection.reversed = false;
9291 select_next_match_ranges(
9292 self,
9293 selection.start..selection.end,
9294 replace_newest,
9295 autoscroll,
9296 window,
9297 cx,
9298 );
9299 }
9300
9301 if selections.len() == 1 {
9302 let selection = selections
9303 .last()
9304 .expect("ensured that there's only one selection");
9305 let query = buffer
9306 .text_for_range(selection.start..selection.end)
9307 .collect::<String>();
9308 let is_empty = query.is_empty();
9309 let select_state = SelectNextState {
9310 query: AhoCorasick::new(&[query])?,
9311 wordwise: true,
9312 done: is_empty,
9313 };
9314 self.select_next_state = Some(select_state);
9315 } else {
9316 self.select_next_state = None;
9317 }
9318 } else if let Some(selected_text) = selected_text {
9319 self.select_next_state = Some(SelectNextState {
9320 query: AhoCorasick::new(&[selected_text])?,
9321 wordwise: false,
9322 done: false,
9323 });
9324 self.select_next_match_internal(
9325 display_map,
9326 replace_newest,
9327 autoscroll,
9328 window,
9329 cx,
9330 )?;
9331 }
9332 }
9333 Ok(())
9334 }
9335
9336 pub fn select_all_matches(
9337 &mut self,
9338 _action: &SelectAllMatches,
9339 window: &mut Window,
9340 cx: &mut Context<Self>,
9341 ) -> Result<()> {
9342 self.push_to_selection_history();
9343 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9344
9345 self.select_next_match_internal(&display_map, false, None, window, cx)?;
9346 let Some(select_next_state) = self.select_next_state.as_mut() else {
9347 return Ok(());
9348 };
9349 if select_next_state.done {
9350 return Ok(());
9351 }
9352
9353 let mut new_selections = self.selections.all::<usize>(cx);
9354
9355 let buffer = &display_map.buffer_snapshot;
9356 let query_matches = select_next_state
9357 .query
9358 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
9359
9360 for query_match in query_matches {
9361 let query_match = query_match.unwrap(); // can only fail due to I/O
9362 let offset_range = query_match.start()..query_match.end();
9363 let display_range = offset_range.start.to_display_point(&display_map)
9364 ..offset_range.end.to_display_point(&display_map);
9365
9366 if !select_next_state.wordwise
9367 || (!movement::is_inside_word(&display_map, display_range.start)
9368 && !movement::is_inside_word(&display_map, display_range.end))
9369 {
9370 self.selections.change_with(cx, |selections| {
9371 new_selections.push(Selection {
9372 id: selections.new_selection_id(),
9373 start: offset_range.start,
9374 end: offset_range.end,
9375 reversed: false,
9376 goal: SelectionGoal::None,
9377 });
9378 });
9379 }
9380 }
9381
9382 new_selections.sort_by_key(|selection| selection.start);
9383 let mut ix = 0;
9384 while ix + 1 < new_selections.len() {
9385 let current_selection = &new_selections[ix];
9386 let next_selection = &new_selections[ix + 1];
9387 if current_selection.range().overlaps(&next_selection.range()) {
9388 if current_selection.id < next_selection.id {
9389 new_selections.remove(ix + 1);
9390 } else {
9391 new_selections.remove(ix);
9392 }
9393 } else {
9394 ix += 1;
9395 }
9396 }
9397
9398 let reversed = self.selections.oldest::<usize>(cx).reversed;
9399
9400 for selection in new_selections.iter_mut() {
9401 selection.reversed = reversed;
9402 }
9403
9404 select_next_state.done = true;
9405 self.unfold_ranges(
9406 &new_selections
9407 .iter()
9408 .map(|selection| selection.range())
9409 .collect::<Vec<_>>(),
9410 false,
9411 false,
9412 cx,
9413 );
9414 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
9415 selections.select(new_selections)
9416 });
9417
9418 Ok(())
9419 }
9420
9421 pub fn select_next(
9422 &mut self,
9423 action: &SelectNext,
9424 window: &mut Window,
9425 cx: &mut Context<Self>,
9426 ) -> Result<()> {
9427 self.push_to_selection_history();
9428 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9429 self.select_next_match_internal(
9430 &display_map,
9431 action.replace_newest,
9432 Some(Autoscroll::newest()),
9433 window,
9434 cx,
9435 )?;
9436 Ok(())
9437 }
9438
9439 pub fn select_previous(
9440 &mut self,
9441 action: &SelectPrevious,
9442 window: &mut Window,
9443 cx: &mut Context<Self>,
9444 ) -> Result<()> {
9445 self.push_to_selection_history();
9446 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9447 let buffer = &display_map.buffer_snapshot;
9448 let mut selections = self.selections.all::<usize>(cx);
9449 if let Some(mut select_prev_state) = self.select_prev_state.take() {
9450 let query = &select_prev_state.query;
9451 if !select_prev_state.done {
9452 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9453 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9454 let mut next_selected_range = None;
9455 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
9456 let bytes_before_last_selection =
9457 buffer.reversed_bytes_in_range(0..last_selection.start);
9458 let bytes_after_first_selection =
9459 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
9460 let query_matches = query
9461 .stream_find_iter(bytes_before_last_selection)
9462 .map(|result| (last_selection.start, result))
9463 .chain(
9464 query
9465 .stream_find_iter(bytes_after_first_selection)
9466 .map(|result| (buffer.len(), result)),
9467 );
9468 for (end_offset, query_match) in query_matches {
9469 let query_match = query_match.unwrap(); // can only fail due to I/O
9470 let offset_range =
9471 end_offset - query_match.end()..end_offset - query_match.start();
9472 let display_range = offset_range.start.to_display_point(&display_map)
9473 ..offset_range.end.to_display_point(&display_map);
9474
9475 if !select_prev_state.wordwise
9476 || (!movement::is_inside_word(&display_map, display_range.start)
9477 && !movement::is_inside_word(&display_map, display_range.end))
9478 {
9479 next_selected_range = Some(offset_range);
9480 break;
9481 }
9482 }
9483
9484 if let Some(next_selected_range) = next_selected_range {
9485 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
9486 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9487 if action.replace_newest {
9488 s.delete(s.newest_anchor().id);
9489 }
9490 s.insert_range(next_selected_range);
9491 });
9492 } else {
9493 select_prev_state.done = true;
9494 }
9495 }
9496
9497 self.select_prev_state = Some(select_prev_state);
9498 } else {
9499 let mut only_carets = true;
9500 let mut same_text_selected = true;
9501 let mut selected_text = None;
9502
9503 let mut selections_iter = selections.iter().peekable();
9504 while let Some(selection) = selections_iter.next() {
9505 if selection.start != selection.end {
9506 only_carets = false;
9507 }
9508
9509 if same_text_selected {
9510 if selected_text.is_none() {
9511 selected_text =
9512 Some(buffer.text_for_range(selection.range()).collect::<String>());
9513 }
9514
9515 if let Some(next_selection) = selections_iter.peek() {
9516 if next_selection.range().len() == selection.range().len() {
9517 let next_selected_text = buffer
9518 .text_for_range(next_selection.range())
9519 .collect::<String>();
9520 if Some(next_selected_text) != selected_text {
9521 same_text_selected = false;
9522 selected_text = None;
9523 }
9524 } else {
9525 same_text_selected = false;
9526 selected_text = None;
9527 }
9528 }
9529 }
9530 }
9531
9532 if only_carets {
9533 for selection in &mut selections {
9534 let word_range = movement::surrounding_word(
9535 &display_map,
9536 selection.start.to_display_point(&display_map),
9537 );
9538 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
9539 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
9540 selection.goal = SelectionGoal::None;
9541 selection.reversed = false;
9542 }
9543 if selections.len() == 1 {
9544 let selection = selections
9545 .last()
9546 .expect("ensured that there's only one selection");
9547 let query = buffer
9548 .text_for_range(selection.start..selection.end)
9549 .collect::<String>();
9550 let is_empty = query.is_empty();
9551 let select_state = SelectNextState {
9552 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
9553 wordwise: true,
9554 done: is_empty,
9555 };
9556 self.select_prev_state = Some(select_state);
9557 } else {
9558 self.select_prev_state = None;
9559 }
9560
9561 self.unfold_ranges(
9562 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
9563 false,
9564 true,
9565 cx,
9566 );
9567 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9568 s.select(selections);
9569 });
9570 } else if let Some(selected_text) = selected_text {
9571 self.select_prev_state = Some(SelectNextState {
9572 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9573 wordwise: false,
9574 done: false,
9575 });
9576 self.select_previous(action, window, cx)?;
9577 }
9578 }
9579 Ok(())
9580 }
9581
9582 pub fn toggle_comments(
9583 &mut self,
9584 action: &ToggleComments,
9585 window: &mut Window,
9586 cx: &mut Context<Self>,
9587 ) {
9588 if self.read_only(cx) {
9589 return;
9590 }
9591 let text_layout_details = &self.text_layout_details(window);
9592 self.transact(window, cx, |this, window, cx| {
9593 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9594 let mut edits = Vec::new();
9595 let mut selection_edit_ranges = Vec::new();
9596 let mut last_toggled_row = None;
9597 let snapshot = this.buffer.read(cx).read(cx);
9598 let empty_str: Arc<str> = Arc::default();
9599 let mut suffixes_inserted = Vec::new();
9600 let ignore_indent = action.ignore_indent;
9601
9602 fn comment_prefix_range(
9603 snapshot: &MultiBufferSnapshot,
9604 row: MultiBufferRow,
9605 comment_prefix: &str,
9606 comment_prefix_whitespace: &str,
9607 ignore_indent: bool,
9608 ) -> Range<Point> {
9609 let indent_size = if ignore_indent {
9610 0
9611 } else {
9612 snapshot.indent_size_for_line(row).len
9613 };
9614
9615 let start = Point::new(row.0, indent_size);
9616
9617 let mut line_bytes = snapshot
9618 .bytes_in_range(start..snapshot.max_point())
9619 .flatten()
9620 .copied();
9621
9622 // If this line currently begins with the line comment prefix, then record
9623 // the range containing the prefix.
9624 if line_bytes
9625 .by_ref()
9626 .take(comment_prefix.len())
9627 .eq(comment_prefix.bytes())
9628 {
9629 // Include any whitespace that matches the comment prefix.
9630 let matching_whitespace_len = line_bytes
9631 .zip(comment_prefix_whitespace.bytes())
9632 .take_while(|(a, b)| a == b)
9633 .count() as u32;
9634 let end = Point::new(
9635 start.row,
9636 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9637 );
9638 start..end
9639 } else {
9640 start..start
9641 }
9642 }
9643
9644 fn comment_suffix_range(
9645 snapshot: &MultiBufferSnapshot,
9646 row: MultiBufferRow,
9647 comment_suffix: &str,
9648 comment_suffix_has_leading_space: bool,
9649 ) -> Range<Point> {
9650 let end = Point::new(row.0, snapshot.line_len(row));
9651 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9652
9653 let mut line_end_bytes = snapshot
9654 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9655 .flatten()
9656 .copied();
9657
9658 let leading_space_len = if suffix_start_column > 0
9659 && line_end_bytes.next() == Some(b' ')
9660 && comment_suffix_has_leading_space
9661 {
9662 1
9663 } else {
9664 0
9665 };
9666
9667 // If this line currently begins with the line comment prefix, then record
9668 // the range containing the prefix.
9669 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9670 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9671 start..end
9672 } else {
9673 end..end
9674 }
9675 }
9676
9677 // TODO: Handle selections that cross excerpts
9678 for selection in &mut selections {
9679 let start_column = snapshot
9680 .indent_size_for_line(MultiBufferRow(selection.start.row))
9681 .len;
9682 let language = if let Some(language) =
9683 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9684 {
9685 language
9686 } else {
9687 continue;
9688 };
9689
9690 selection_edit_ranges.clear();
9691
9692 // If multiple selections contain a given row, avoid processing that
9693 // row more than once.
9694 let mut start_row = MultiBufferRow(selection.start.row);
9695 if last_toggled_row == Some(start_row) {
9696 start_row = start_row.next_row();
9697 }
9698 let end_row =
9699 if selection.end.row > selection.start.row && selection.end.column == 0 {
9700 MultiBufferRow(selection.end.row - 1)
9701 } else {
9702 MultiBufferRow(selection.end.row)
9703 };
9704 last_toggled_row = Some(end_row);
9705
9706 if start_row > end_row {
9707 continue;
9708 }
9709
9710 // If the language has line comments, toggle those.
9711 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9712
9713 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9714 if ignore_indent {
9715 full_comment_prefixes = full_comment_prefixes
9716 .into_iter()
9717 .map(|s| Arc::from(s.trim_end()))
9718 .collect();
9719 }
9720
9721 if !full_comment_prefixes.is_empty() {
9722 let first_prefix = full_comment_prefixes
9723 .first()
9724 .expect("prefixes is non-empty");
9725 let prefix_trimmed_lengths = full_comment_prefixes
9726 .iter()
9727 .map(|p| p.trim_end_matches(' ').len())
9728 .collect::<SmallVec<[usize; 4]>>();
9729
9730 let mut all_selection_lines_are_comments = true;
9731
9732 for row in start_row.0..=end_row.0 {
9733 let row = MultiBufferRow(row);
9734 if start_row < end_row && snapshot.is_line_blank(row) {
9735 continue;
9736 }
9737
9738 let prefix_range = full_comment_prefixes
9739 .iter()
9740 .zip(prefix_trimmed_lengths.iter().copied())
9741 .map(|(prefix, trimmed_prefix_len)| {
9742 comment_prefix_range(
9743 snapshot.deref(),
9744 row,
9745 &prefix[..trimmed_prefix_len],
9746 &prefix[trimmed_prefix_len..],
9747 ignore_indent,
9748 )
9749 })
9750 .max_by_key(|range| range.end.column - range.start.column)
9751 .expect("prefixes is non-empty");
9752
9753 if prefix_range.is_empty() {
9754 all_selection_lines_are_comments = false;
9755 }
9756
9757 selection_edit_ranges.push(prefix_range);
9758 }
9759
9760 if all_selection_lines_are_comments {
9761 edits.extend(
9762 selection_edit_ranges
9763 .iter()
9764 .cloned()
9765 .map(|range| (range, empty_str.clone())),
9766 );
9767 } else {
9768 let min_column = selection_edit_ranges
9769 .iter()
9770 .map(|range| range.start.column)
9771 .min()
9772 .unwrap_or(0);
9773 edits.extend(selection_edit_ranges.iter().map(|range| {
9774 let position = Point::new(range.start.row, min_column);
9775 (position..position, first_prefix.clone())
9776 }));
9777 }
9778 } else if let Some((full_comment_prefix, comment_suffix)) =
9779 language.block_comment_delimiters()
9780 {
9781 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9782 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9783 let prefix_range = comment_prefix_range(
9784 snapshot.deref(),
9785 start_row,
9786 comment_prefix,
9787 comment_prefix_whitespace,
9788 ignore_indent,
9789 );
9790 let suffix_range = comment_suffix_range(
9791 snapshot.deref(),
9792 end_row,
9793 comment_suffix.trim_start_matches(' '),
9794 comment_suffix.starts_with(' '),
9795 );
9796
9797 if prefix_range.is_empty() || suffix_range.is_empty() {
9798 edits.push((
9799 prefix_range.start..prefix_range.start,
9800 full_comment_prefix.clone(),
9801 ));
9802 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9803 suffixes_inserted.push((end_row, comment_suffix.len()));
9804 } else {
9805 edits.push((prefix_range, empty_str.clone()));
9806 edits.push((suffix_range, empty_str.clone()));
9807 }
9808 } else {
9809 continue;
9810 }
9811 }
9812
9813 drop(snapshot);
9814 this.buffer.update(cx, |buffer, cx| {
9815 buffer.edit(edits, None, cx);
9816 });
9817
9818 // Adjust selections so that they end before any comment suffixes that
9819 // were inserted.
9820 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9821 let mut selections = this.selections.all::<Point>(cx);
9822 let snapshot = this.buffer.read(cx).read(cx);
9823 for selection in &mut selections {
9824 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9825 match row.cmp(&MultiBufferRow(selection.end.row)) {
9826 Ordering::Less => {
9827 suffixes_inserted.next();
9828 continue;
9829 }
9830 Ordering::Greater => break,
9831 Ordering::Equal => {
9832 if selection.end.column == snapshot.line_len(row) {
9833 if selection.is_empty() {
9834 selection.start.column -= suffix_len as u32;
9835 }
9836 selection.end.column -= suffix_len as u32;
9837 }
9838 break;
9839 }
9840 }
9841 }
9842 }
9843
9844 drop(snapshot);
9845 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9846 s.select(selections)
9847 });
9848
9849 let selections = this.selections.all::<Point>(cx);
9850 let selections_on_single_row = selections.windows(2).all(|selections| {
9851 selections[0].start.row == selections[1].start.row
9852 && selections[0].end.row == selections[1].end.row
9853 && selections[0].start.row == selections[0].end.row
9854 });
9855 let selections_selecting = selections
9856 .iter()
9857 .any(|selection| selection.start != selection.end);
9858 let advance_downwards = action.advance_downwards
9859 && selections_on_single_row
9860 && !selections_selecting
9861 && !matches!(this.mode, EditorMode::SingleLine { .. });
9862
9863 if advance_downwards {
9864 let snapshot = this.buffer.read(cx).snapshot(cx);
9865
9866 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9867 s.move_cursors_with(|display_snapshot, display_point, _| {
9868 let mut point = display_point.to_point(display_snapshot);
9869 point.row += 1;
9870 point = snapshot.clip_point(point, Bias::Left);
9871 let display_point = point.to_display_point(display_snapshot);
9872 let goal = SelectionGoal::HorizontalPosition(
9873 display_snapshot
9874 .x_for_display_point(display_point, text_layout_details)
9875 .into(),
9876 );
9877 (display_point, goal)
9878 })
9879 });
9880 }
9881 });
9882 }
9883
9884 pub fn select_enclosing_symbol(
9885 &mut self,
9886 _: &SelectEnclosingSymbol,
9887 window: &mut Window,
9888 cx: &mut Context<Self>,
9889 ) {
9890 let buffer = self.buffer.read(cx).snapshot(cx);
9891 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9892
9893 fn update_selection(
9894 selection: &Selection<usize>,
9895 buffer_snap: &MultiBufferSnapshot,
9896 ) -> Option<Selection<usize>> {
9897 let cursor = selection.head();
9898 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9899 for symbol in symbols.iter().rev() {
9900 let start = symbol.range.start.to_offset(buffer_snap);
9901 let end = symbol.range.end.to_offset(buffer_snap);
9902 let new_range = start..end;
9903 if start < selection.start || end > selection.end {
9904 return Some(Selection {
9905 id: selection.id,
9906 start: new_range.start,
9907 end: new_range.end,
9908 goal: SelectionGoal::None,
9909 reversed: selection.reversed,
9910 });
9911 }
9912 }
9913 None
9914 }
9915
9916 let mut selected_larger_symbol = false;
9917 let new_selections = old_selections
9918 .iter()
9919 .map(|selection| match update_selection(selection, &buffer) {
9920 Some(new_selection) => {
9921 if new_selection.range() != selection.range() {
9922 selected_larger_symbol = true;
9923 }
9924 new_selection
9925 }
9926 None => selection.clone(),
9927 })
9928 .collect::<Vec<_>>();
9929
9930 if selected_larger_symbol {
9931 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9932 s.select(new_selections);
9933 });
9934 }
9935 }
9936
9937 pub fn select_larger_syntax_node(
9938 &mut self,
9939 _: &SelectLargerSyntaxNode,
9940 window: &mut Window,
9941 cx: &mut Context<Self>,
9942 ) {
9943 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9944 let buffer = self.buffer.read(cx).snapshot(cx);
9945 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9946
9947 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9948 let mut selected_larger_node = false;
9949 let new_selections = old_selections
9950 .iter()
9951 .map(|selection| {
9952 let old_range = selection.start..selection.end;
9953 let mut new_range = old_range.clone();
9954 let mut new_node = None;
9955 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9956 {
9957 new_node = Some(node);
9958 new_range = containing_range;
9959 if !display_map.intersects_fold(new_range.start)
9960 && !display_map.intersects_fold(new_range.end)
9961 {
9962 break;
9963 }
9964 }
9965
9966 if let Some(node) = new_node {
9967 // Log the ancestor, to support using this action as a way to explore TreeSitter
9968 // nodes. Parent and grandparent are also logged because this operation will not
9969 // visit nodes that have the same range as their parent.
9970 log::info!("Node: {node:?}");
9971 let parent = node.parent();
9972 log::info!("Parent: {parent:?}");
9973 let grandparent = parent.and_then(|x| x.parent());
9974 log::info!("Grandparent: {grandparent:?}");
9975 }
9976
9977 selected_larger_node |= new_range != old_range;
9978 Selection {
9979 id: selection.id,
9980 start: new_range.start,
9981 end: new_range.end,
9982 goal: SelectionGoal::None,
9983 reversed: selection.reversed,
9984 }
9985 })
9986 .collect::<Vec<_>>();
9987
9988 if selected_larger_node {
9989 stack.push(old_selections);
9990 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9991 s.select(new_selections);
9992 });
9993 }
9994 self.select_larger_syntax_node_stack = stack;
9995 }
9996
9997 pub fn select_smaller_syntax_node(
9998 &mut self,
9999 _: &SelectSmallerSyntaxNode,
10000 window: &mut Window,
10001 cx: &mut Context<Self>,
10002 ) {
10003 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
10004 if let Some(selections) = stack.pop() {
10005 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10006 s.select(selections.to_vec());
10007 });
10008 }
10009 self.select_larger_syntax_node_stack = stack;
10010 }
10011
10012 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
10013 if !EditorSettings::get_global(cx).gutter.runnables {
10014 self.clear_tasks();
10015 return Task::ready(());
10016 }
10017 let project = self.project.as_ref().map(Entity::downgrade);
10018 cx.spawn_in(window, |this, mut cx| async move {
10019 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
10020 let Some(project) = project.and_then(|p| p.upgrade()) else {
10021 return;
10022 };
10023 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
10024 this.display_map.update(cx, |map, cx| map.snapshot(cx))
10025 }) else {
10026 return;
10027 };
10028
10029 let hide_runnables = project
10030 .update(&mut cx, |project, cx| {
10031 // Do not display any test indicators in non-dev server remote projects.
10032 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
10033 })
10034 .unwrap_or(true);
10035 if hide_runnables {
10036 return;
10037 }
10038 let new_rows =
10039 cx.background_executor()
10040 .spawn({
10041 let snapshot = display_snapshot.clone();
10042 async move {
10043 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
10044 }
10045 })
10046 .await;
10047
10048 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
10049 this.update(&mut cx, |this, _| {
10050 this.clear_tasks();
10051 for (key, value) in rows {
10052 this.insert_tasks(key, value);
10053 }
10054 })
10055 .ok();
10056 })
10057 }
10058 fn fetch_runnable_ranges(
10059 snapshot: &DisplaySnapshot,
10060 range: Range<Anchor>,
10061 ) -> Vec<language::RunnableRange> {
10062 snapshot.buffer_snapshot.runnable_ranges(range).collect()
10063 }
10064
10065 fn runnable_rows(
10066 project: Entity<Project>,
10067 snapshot: DisplaySnapshot,
10068 runnable_ranges: Vec<RunnableRange>,
10069 mut cx: AsyncWindowContext,
10070 ) -> Vec<((BufferId, u32), RunnableTasks)> {
10071 runnable_ranges
10072 .into_iter()
10073 .filter_map(|mut runnable| {
10074 let tasks = cx
10075 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
10076 .ok()?;
10077 if tasks.is_empty() {
10078 return None;
10079 }
10080
10081 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
10082
10083 let row = snapshot
10084 .buffer_snapshot
10085 .buffer_line_for_row(MultiBufferRow(point.row))?
10086 .1
10087 .start
10088 .row;
10089
10090 let context_range =
10091 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
10092 Some((
10093 (runnable.buffer_id, row),
10094 RunnableTasks {
10095 templates: tasks,
10096 offset: MultiBufferOffset(runnable.run_range.start),
10097 context_range,
10098 column: point.column,
10099 extra_variables: runnable.extra_captures,
10100 },
10101 ))
10102 })
10103 .collect()
10104 }
10105
10106 fn templates_with_tags(
10107 project: &Entity<Project>,
10108 runnable: &mut Runnable,
10109 cx: &mut App,
10110 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
10111 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
10112 let (worktree_id, file) = project
10113 .buffer_for_id(runnable.buffer, cx)
10114 .and_then(|buffer| buffer.read(cx).file())
10115 .map(|file| (file.worktree_id(cx), file.clone()))
10116 .unzip();
10117
10118 (
10119 project.task_store().read(cx).task_inventory().cloned(),
10120 worktree_id,
10121 file,
10122 )
10123 });
10124
10125 let tags = mem::take(&mut runnable.tags);
10126 let mut tags: Vec<_> = tags
10127 .into_iter()
10128 .flat_map(|tag| {
10129 let tag = tag.0.clone();
10130 inventory
10131 .as_ref()
10132 .into_iter()
10133 .flat_map(|inventory| {
10134 inventory.read(cx).list_tasks(
10135 file.clone(),
10136 Some(runnable.language.clone()),
10137 worktree_id,
10138 cx,
10139 )
10140 })
10141 .filter(move |(_, template)| {
10142 template.tags.iter().any(|source_tag| source_tag == &tag)
10143 })
10144 })
10145 .sorted_by_key(|(kind, _)| kind.to_owned())
10146 .collect();
10147 if let Some((leading_tag_source, _)) = tags.first() {
10148 // Strongest source wins; if we have worktree tag binding, prefer that to
10149 // global and language bindings;
10150 // if we have a global binding, prefer that to language binding.
10151 let first_mismatch = tags
10152 .iter()
10153 .position(|(tag_source, _)| tag_source != leading_tag_source);
10154 if let Some(index) = first_mismatch {
10155 tags.truncate(index);
10156 }
10157 }
10158
10159 tags
10160 }
10161
10162 pub fn move_to_enclosing_bracket(
10163 &mut self,
10164 _: &MoveToEnclosingBracket,
10165 window: &mut Window,
10166 cx: &mut Context<Self>,
10167 ) {
10168 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10169 s.move_offsets_with(|snapshot, selection| {
10170 let Some(enclosing_bracket_ranges) =
10171 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
10172 else {
10173 return;
10174 };
10175
10176 let mut best_length = usize::MAX;
10177 let mut best_inside = false;
10178 let mut best_in_bracket_range = false;
10179 let mut best_destination = None;
10180 for (open, close) in enclosing_bracket_ranges {
10181 let close = close.to_inclusive();
10182 let length = close.end() - open.start;
10183 let inside = selection.start >= open.end && selection.end <= *close.start();
10184 let in_bracket_range = open.to_inclusive().contains(&selection.head())
10185 || close.contains(&selection.head());
10186
10187 // If best is next to a bracket and current isn't, skip
10188 if !in_bracket_range && best_in_bracket_range {
10189 continue;
10190 }
10191
10192 // Prefer smaller lengths unless best is inside and current isn't
10193 if length > best_length && (best_inside || !inside) {
10194 continue;
10195 }
10196
10197 best_length = length;
10198 best_inside = inside;
10199 best_in_bracket_range = in_bracket_range;
10200 best_destination = Some(
10201 if close.contains(&selection.start) && close.contains(&selection.end) {
10202 if inside {
10203 open.end
10204 } else {
10205 open.start
10206 }
10207 } else if inside {
10208 *close.start()
10209 } else {
10210 *close.end()
10211 },
10212 );
10213 }
10214
10215 if let Some(destination) = best_destination {
10216 selection.collapse_to(destination, SelectionGoal::None);
10217 }
10218 })
10219 });
10220 }
10221
10222 pub fn undo_selection(
10223 &mut self,
10224 _: &UndoSelection,
10225 window: &mut Window,
10226 cx: &mut Context<Self>,
10227 ) {
10228 self.end_selection(window, cx);
10229 self.selection_history.mode = SelectionHistoryMode::Undoing;
10230 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
10231 self.change_selections(None, window, cx, |s| {
10232 s.select_anchors(entry.selections.to_vec())
10233 });
10234 self.select_next_state = entry.select_next_state;
10235 self.select_prev_state = entry.select_prev_state;
10236 self.add_selections_state = entry.add_selections_state;
10237 self.request_autoscroll(Autoscroll::newest(), cx);
10238 }
10239 self.selection_history.mode = SelectionHistoryMode::Normal;
10240 }
10241
10242 pub fn redo_selection(
10243 &mut self,
10244 _: &RedoSelection,
10245 window: &mut Window,
10246 cx: &mut Context<Self>,
10247 ) {
10248 self.end_selection(window, cx);
10249 self.selection_history.mode = SelectionHistoryMode::Redoing;
10250 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
10251 self.change_selections(None, window, cx, |s| {
10252 s.select_anchors(entry.selections.to_vec())
10253 });
10254 self.select_next_state = entry.select_next_state;
10255 self.select_prev_state = entry.select_prev_state;
10256 self.add_selections_state = entry.add_selections_state;
10257 self.request_autoscroll(Autoscroll::newest(), cx);
10258 }
10259 self.selection_history.mode = SelectionHistoryMode::Normal;
10260 }
10261
10262 pub fn expand_excerpts(
10263 &mut self,
10264 action: &ExpandExcerpts,
10265 _: &mut Window,
10266 cx: &mut Context<Self>,
10267 ) {
10268 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
10269 }
10270
10271 pub fn expand_excerpts_down(
10272 &mut self,
10273 action: &ExpandExcerptsDown,
10274 _: &mut Window,
10275 cx: &mut Context<Self>,
10276 ) {
10277 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
10278 }
10279
10280 pub fn expand_excerpts_up(
10281 &mut self,
10282 action: &ExpandExcerptsUp,
10283 _: &mut Window,
10284 cx: &mut Context<Self>,
10285 ) {
10286 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
10287 }
10288
10289 pub fn expand_excerpts_for_direction(
10290 &mut self,
10291 lines: u32,
10292 direction: ExpandExcerptDirection,
10293
10294 cx: &mut Context<Self>,
10295 ) {
10296 let selections = self.selections.disjoint_anchors();
10297
10298 let lines = if lines == 0 {
10299 EditorSettings::get_global(cx).expand_excerpt_lines
10300 } else {
10301 lines
10302 };
10303
10304 self.buffer.update(cx, |buffer, cx| {
10305 let snapshot = buffer.snapshot(cx);
10306 let mut excerpt_ids = selections
10307 .iter()
10308 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
10309 .collect::<Vec<_>>();
10310 excerpt_ids.sort();
10311 excerpt_ids.dedup();
10312 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
10313 })
10314 }
10315
10316 pub fn expand_excerpt(
10317 &mut self,
10318 excerpt: ExcerptId,
10319 direction: ExpandExcerptDirection,
10320 cx: &mut Context<Self>,
10321 ) {
10322 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
10323 self.buffer.update(cx, |buffer, cx| {
10324 buffer.expand_excerpts([excerpt], lines, direction, cx)
10325 })
10326 }
10327
10328 pub fn go_to_singleton_buffer_point(
10329 &mut self,
10330 point: Point,
10331 window: &mut Window,
10332 cx: &mut Context<Self>,
10333 ) {
10334 self.go_to_singleton_buffer_range(point..point, window, cx);
10335 }
10336
10337 pub fn go_to_singleton_buffer_range(
10338 &mut self,
10339 range: Range<Point>,
10340 window: &mut Window,
10341 cx: &mut Context<Self>,
10342 ) {
10343 let multibuffer = self.buffer().read(cx);
10344 let Some(buffer) = multibuffer.as_singleton() else {
10345 return;
10346 };
10347 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
10348 return;
10349 };
10350 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
10351 return;
10352 };
10353 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
10354 s.select_anchor_ranges([start..end])
10355 });
10356 }
10357
10358 fn go_to_diagnostic(
10359 &mut self,
10360 _: &GoToDiagnostic,
10361 window: &mut Window,
10362 cx: &mut Context<Self>,
10363 ) {
10364 self.go_to_diagnostic_impl(Direction::Next, window, cx)
10365 }
10366
10367 fn go_to_prev_diagnostic(
10368 &mut self,
10369 _: &GoToPrevDiagnostic,
10370 window: &mut Window,
10371 cx: &mut Context<Self>,
10372 ) {
10373 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
10374 }
10375
10376 pub fn go_to_diagnostic_impl(
10377 &mut self,
10378 direction: Direction,
10379 window: &mut Window,
10380 cx: &mut Context<Self>,
10381 ) {
10382 let buffer = self.buffer.read(cx).snapshot(cx);
10383 let selection = self.selections.newest::<usize>(cx);
10384
10385 // If there is an active Diagnostic Popover jump to its diagnostic instead.
10386 if direction == Direction::Next {
10387 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
10388 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
10389 return;
10390 };
10391 self.activate_diagnostics(
10392 buffer_id,
10393 popover.local_diagnostic.diagnostic.group_id,
10394 window,
10395 cx,
10396 );
10397 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
10398 let primary_range_start = active_diagnostics.primary_range.start;
10399 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10400 let mut new_selection = s.newest_anchor().clone();
10401 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
10402 s.select_anchors(vec![new_selection.clone()]);
10403 });
10404 self.refresh_inline_completion(false, true, window, cx);
10405 }
10406 return;
10407 }
10408 }
10409
10410 let active_group_id = self
10411 .active_diagnostics
10412 .as_ref()
10413 .map(|active_group| active_group.group_id);
10414 let active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
10415 active_diagnostics
10416 .primary_range
10417 .to_offset(&buffer)
10418 .to_inclusive()
10419 });
10420 let search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
10421 if active_primary_range.contains(&selection.head()) {
10422 *active_primary_range.start()
10423 } else {
10424 selection.head()
10425 }
10426 } else {
10427 selection.head()
10428 };
10429
10430 let snapshot = self.snapshot(window, cx);
10431 let primary_diagnostics_before = buffer
10432 .diagnostics_in_range::<usize>(0..search_start)
10433 .filter(|entry| entry.diagnostic.is_primary)
10434 .filter(|entry| entry.range.start != entry.range.end)
10435 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10436 .filter(|entry| !snapshot.intersects_fold(entry.range.start))
10437 .collect::<Vec<_>>();
10438 let last_same_group_diagnostic_before = active_group_id.and_then(|active_group_id| {
10439 primary_diagnostics_before
10440 .iter()
10441 .position(|entry| entry.diagnostic.group_id == active_group_id)
10442 });
10443
10444 let primary_diagnostics_after = buffer
10445 .diagnostics_in_range::<usize>(search_start..buffer.len())
10446 .filter(|entry| entry.diagnostic.is_primary)
10447 .filter(|entry| entry.range.start != entry.range.end)
10448 .filter(|entry| entry.diagnostic.severity <= DiagnosticSeverity::WARNING)
10449 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
10450 .collect::<Vec<_>>();
10451 let last_same_group_diagnostic_after = active_group_id.and_then(|active_group_id| {
10452 primary_diagnostics_after
10453 .iter()
10454 .enumerate()
10455 .rev()
10456 .find_map(|(i, entry)| {
10457 if entry.diagnostic.group_id == active_group_id {
10458 Some(i)
10459 } else {
10460 None
10461 }
10462 })
10463 });
10464
10465 let next_primary_diagnostic = match direction {
10466 Direction::Prev => primary_diagnostics_before
10467 .iter()
10468 .take(last_same_group_diagnostic_before.unwrap_or(usize::MAX))
10469 .rev()
10470 .next(),
10471 Direction::Next => primary_diagnostics_after
10472 .iter()
10473 .skip(
10474 last_same_group_diagnostic_after
10475 .map(|index| index + 1)
10476 .unwrap_or(0),
10477 )
10478 .next(),
10479 };
10480
10481 // Cycle around to the start of the buffer, potentially moving back to the start of
10482 // the currently active diagnostic.
10483 let cycle_around = || match direction {
10484 Direction::Prev => primary_diagnostics_after
10485 .iter()
10486 .rev()
10487 .chain(primary_diagnostics_before.iter().rev())
10488 .next(),
10489 Direction::Next => primary_diagnostics_before
10490 .iter()
10491 .chain(primary_diagnostics_after.iter())
10492 .next(),
10493 };
10494
10495 if let Some((primary_range, group_id)) = next_primary_diagnostic
10496 .or_else(cycle_around)
10497 .map(|entry| (&entry.range, entry.diagnostic.group_id))
10498 {
10499 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
10500 return;
10501 };
10502 self.activate_diagnostics(buffer_id, group_id, window, cx);
10503 if self.active_diagnostics.is_some() {
10504 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10505 s.select(vec![Selection {
10506 id: selection.id,
10507 start: primary_range.start,
10508 end: primary_range.start,
10509 reversed: false,
10510 goal: SelectionGoal::None,
10511 }]);
10512 });
10513 self.refresh_inline_completion(false, true, window, cx);
10514 }
10515 }
10516 }
10517
10518 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
10519 let snapshot = self.snapshot(window, cx);
10520 let selection = self.selections.newest::<Point>(cx);
10521 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
10522 }
10523
10524 fn go_to_hunk_after_position(
10525 &mut self,
10526 snapshot: &EditorSnapshot,
10527 position: Point,
10528 window: &mut Window,
10529 cx: &mut Context<Editor>,
10530 ) -> Option<MultiBufferDiffHunk> {
10531 let mut hunk = snapshot
10532 .buffer_snapshot
10533 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
10534 .find(|hunk| hunk.row_range.start.0 > position.row);
10535 if hunk.is_none() {
10536 hunk = snapshot
10537 .buffer_snapshot
10538 .diff_hunks_in_range(Point::zero()..position)
10539 .find(|hunk| hunk.row_range.end.0 < position.row)
10540 }
10541 if let Some(hunk) = &hunk {
10542 let destination = Point::new(hunk.row_range.start.0, 0);
10543 self.unfold_ranges(&[destination..destination], false, false, cx);
10544 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10545 s.select_ranges(vec![destination..destination]);
10546 });
10547 }
10548
10549 hunk
10550 }
10551
10552 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
10553 let snapshot = self.snapshot(window, cx);
10554 let selection = self.selections.newest::<Point>(cx);
10555 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
10556 }
10557
10558 fn go_to_hunk_before_position(
10559 &mut self,
10560 snapshot: &EditorSnapshot,
10561 position: Point,
10562 window: &mut Window,
10563 cx: &mut Context<Editor>,
10564 ) -> Option<MultiBufferDiffHunk> {
10565 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
10566 if hunk.is_none() {
10567 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
10568 }
10569 if let Some(hunk) = &hunk {
10570 let destination = Point::new(hunk.row_range.start.0, 0);
10571 self.unfold_ranges(&[destination..destination], false, false, cx);
10572 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10573 s.select_ranges(vec![destination..destination]);
10574 });
10575 }
10576
10577 hunk
10578 }
10579
10580 pub fn go_to_definition(
10581 &mut self,
10582 _: &GoToDefinition,
10583 window: &mut Window,
10584 cx: &mut Context<Self>,
10585 ) -> Task<Result<Navigated>> {
10586 let definition =
10587 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10588 cx.spawn_in(window, |editor, mut cx| async move {
10589 if definition.await? == Navigated::Yes {
10590 return Ok(Navigated::Yes);
10591 }
10592 match editor.update_in(&mut cx, |editor, window, cx| {
10593 editor.find_all_references(&FindAllReferences, window, cx)
10594 })? {
10595 Some(references) => references.await,
10596 None => Ok(Navigated::No),
10597 }
10598 })
10599 }
10600
10601 pub fn go_to_declaration(
10602 &mut self,
10603 _: &GoToDeclaration,
10604 window: &mut Window,
10605 cx: &mut Context<Self>,
10606 ) -> Task<Result<Navigated>> {
10607 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10608 }
10609
10610 pub fn go_to_declaration_split(
10611 &mut self,
10612 _: &GoToDeclaration,
10613 window: &mut Window,
10614 cx: &mut Context<Self>,
10615 ) -> Task<Result<Navigated>> {
10616 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10617 }
10618
10619 pub fn go_to_implementation(
10620 &mut self,
10621 _: &GoToImplementation,
10622 window: &mut Window,
10623 cx: &mut Context<Self>,
10624 ) -> Task<Result<Navigated>> {
10625 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10626 }
10627
10628 pub fn go_to_implementation_split(
10629 &mut self,
10630 _: &GoToImplementationSplit,
10631 window: &mut Window,
10632 cx: &mut Context<Self>,
10633 ) -> Task<Result<Navigated>> {
10634 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10635 }
10636
10637 pub fn go_to_type_definition(
10638 &mut self,
10639 _: &GoToTypeDefinition,
10640 window: &mut Window,
10641 cx: &mut Context<Self>,
10642 ) -> Task<Result<Navigated>> {
10643 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10644 }
10645
10646 pub fn go_to_definition_split(
10647 &mut self,
10648 _: &GoToDefinitionSplit,
10649 window: &mut Window,
10650 cx: &mut Context<Self>,
10651 ) -> Task<Result<Navigated>> {
10652 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10653 }
10654
10655 pub fn go_to_type_definition_split(
10656 &mut self,
10657 _: &GoToTypeDefinitionSplit,
10658 window: &mut Window,
10659 cx: &mut Context<Self>,
10660 ) -> Task<Result<Navigated>> {
10661 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10662 }
10663
10664 fn go_to_definition_of_kind(
10665 &mut self,
10666 kind: GotoDefinitionKind,
10667 split: bool,
10668 window: &mut Window,
10669 cx: &mut Context<Self>,
10670 ) -> Task<Result<Navigated>> {
10671 let Some(provider) = self.semantics_provider.clone() else {
10672 return Task::ready(Ok(Navigated::No));
10673 };
10674 let head = self.selections.newest::<usize>(cx).head();
10675 let buffer = self.buffer.read(cx);
10676 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10677 text_anchor
10678 } else {
10679 return Task::ready(Ok(Navigated::No));
10680 };
10681
10682 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10683 return Task::ready(Ok(Navigated::No));
10684 };
10685
10686 cx.spawn_in(window, |editor, mut cx| async move {
10687 let definitions = definitions.await?;
10688 let navigated = editor
10689 .update_in(&mut cx, |editor, window, cx| {
10690 editor.navigate_to_hover_links(
10691 Some(kind),
10692 definitions
10693 .into_iter()
10694 .filter(|location| {
10695 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10696 })
10697 .map(HoverLink::Text)
10698 .collect::<Vec<_>>(),
10699 split,
10700 window,
10701 cx,
10702 )
10703 })?
10704 .await?;
10705 anyhow::Ok(navigated)
10706 })
10707 }
10708
10709 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10710 let selection = self.selections.newest_anchor();
10711 let head = selection.head();
10712 let tail = selection.tail();
10713
10714 let Some((buffer, start_position)) =
10715 self.buffer.read(cx).text_anchor_for_position(head, cx)
10716 else {
10717 return;
10718 };
10719
10720 let end_position = if head != tail {
10721 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10722 return;
10723 };
10724 Some(pos)
10725 } else {
10726 None
10727 };
10728
10729 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10730 let url = if let Some(end_pos) = end_position {
10731 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10732 } else {
10733 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10734 };
10735
10736 if let Some(url) = url {
10737 editor.update(&mut cx, |_, cx| {
10738 cx.open_url(&url);
10739 })
10740 } else {
10741 Ok(())
10742 }
10743 });
10744
10745 url_finder.detach();
10746 }
10747
10748 pub fn open_selected_filename(
10749 &mut self,
10750 _: &OpenSelectedFilename,
10751 window: &mut Window,
10752 cx: &mut Context<Self>,
10753 ) {
10754 let Some(workspace) = self.workspace() else {
10755 return;
10756 };
10757
10758 let position = self.selections.newest_anchor().head();
10759
10760 let Some((buffer, buffer_position)) =
10761 self.buffer.read(cx).text_anchor_for_position(position, cx)
10762 else {
10763 return;
10764 };
10765
10766 let project = self.project.clone();
10767
10768 cx.spawn_in(window, |_, mut cx| async move {
10769 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10770
10771 if let Some((_, path)) = result {
10772 workspace
10773 .update_in(&mut cx, |workspace, window, cx| {
10774 workspace.open_resolved_path(path, window, cx)
10775 })?
10776 .await?;
10777 }
10778 anyhow::Ok(())
10779 })
10780 .detach();
10781 }
10782
10783 pub(crate) fn navigate_to_hover_links(
10784 &mut self,
10785 kind: Option<GotoDefinitionKind>,
10786 mut definitions: Vec<HoverLink>,
10787 split: bool,
10788 window: &mut Window,
10789 cx: &mut Context<Editor>,
10790 ) -> Task<Result<Navigated>> {
10791 // If there is one definition, just open it directly
10792 if definitions.len() == 1 {
10793 let definition = definitions.pop().unwrap();
10794
10795 enum TargetTaskResult {
10796 Location(Option<Location>),
10797 AlreadyNavigated,
10798 }
10799
10800 let target_task = match definition {
10801 HoverLink::Text(link) => {
10802 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10803 }
10804 HoverLink::InlayHint(lsp_location, server_id) => {
10805 let computation =
10806 self.compute_target_location(lsp_location, server_id, window, cx);
10807 cx.background_executor().spawn(async move {
10808 let location = computation.await?;
10809 Ok(TargetTaskResult::Location(location))
10810 })
10811 }
10812 HoverLink::Url(url) => {
10813 cx.open_url(&url);
10814 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10815 }
10816 HoverLink::File(path) => {
10817 if let Some(workspace) = self.workspace() {
10818 cx.spawn_in(window, |_, mut cx| async move {
10819 workspace
10820 .update_in(&mut cx, |workspace, window, cx| {
10821 workspace.open_resolved_path(path, window, cx)
10822 })?
10823 .await
10824 .map(|_| TargetTaskResult::AlreadyNavigated)
10825 })
10826 } else {
10827 Task::ready(Ok(TargetTaskResult::Location(None)))
10828 }
10829 }
10830 };
10831 cx.spawn_in(window, |editor, mut cx| async move {
10832 let target = match target_task.await.context("target resolution task")? {
10833 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10834 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10835 TargetTaskResult::Location(Some(target)) => target,
10836 };
10837
10838 editor.update_in(&mut cx, |editor, window, cx| {
10839 let Some(workspace) = editor.workspace() else {
10840 return Navigated::No;
10841 };
10842 let pane = workspace.read(cx).active_pane().clone();
10843
10844 let range = target.range.to_point(target.buffer.read(cx));
10845 let range = editor.range_for_match(&range);
10846 let range = collapse_multiline_range(range);
10847
10848 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10849 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10850 } else {
10851 window.defer(cx, move |window, cx| {
10852 let target_editor: Entity<Self> =
10853 workspace.update(cx, |workspace, cx| {
10854 let pane = if split {
10855 workspace.adjacent_pane(window, cx)
10856 } else {
10857 workspace.active_pane().clone()
10858 };
10859
10860 workspace.open_project_item(
10861 pane,
10862 target.buffer.clone(),
10863 true,
10864 true,
10865 window,
10866 cx,
10867 )
10868 });
10869 target_editor.update(cx, |target_editor, cx| {
10870 // When selecting a definition in a different buffer, disable the nav history
10871 // to avoid creating a history entry at the previous cursor location.
10872 pane.update(cx, |pane, _| pane.disable_history());
10873 target_editor.go_to_singleton_buffer_range(range, window, cx);
10874 pane.update(cx, |pane, _| pane.enable_history());
10875 });
10876 });
10877 }
10878 Navigated::Yes
10879 })
10880 })
10881 } else if !definitions.is_empty() {
10882 cx.spawn_in(window, |editor, mut cx| async move {
10883 let (title, location_tasks, workspace) = editor
10884 .update_in(&mut cx, |editor, window, cx| {
10885 let tab_kind = match kind {
10886 Some(GotoDefinitionKind::Implementation) => "Implementations",
10887 _ => "Definitions",
10888 };
10889 let title = definitions
10890 .iter()
10891 .find_map(|definition| match definition {
10892 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10893 let buffer = origin.buffer.read(cx);
10894 format!(
10895 "{} for {}",
10896 tab_kind,
10897 buffer
10898 .text_for_range(origin.range.clone())
10899 .collect::<String>()
10900 )
10901 }),
10902 HoverLink::InlayHint(_, _) => None,
10903 HoverLink::Url(_) => None,
10904 HoverLink::File(_) => None,
10905 })
10906 .unwrap_or(tab_kind.to_string());
10907 let location_tasks = definitions
10908 .into_iter()
10909 .map(|definition| match definition {
10910 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10911 HoverLink::InlayHint(lsp_location, server_id) => editor
10912 .compute_target_location(lsp_location, server_id, window, cx),
10913 HoverLink::Url(_) => Task::ready(Ok(None)),
10914 HoverLink::File(_) => Task::ready(Ok(None)),
10915 })
10916 .collect::<Vec<_>>();
10917 (title, location_tasks, editor.workspace().clone())
10918 })
10919 .context("location tasks preparation")?;
10920
10921 let locations = future::join_all(location_tasks)
10922 .await
10923 .into_iter()
10924 .filter_map(|location| location.transpose())
10925 .collect::<Result<_>>()
10926 .context("location tasks")?;
10927
10928 let Some(workspace) = workspace else {
10929 return Ok(Navigated::No);
10930 };
10931 let opened = workspace
10932 .update_in(&mut cx, |workspace, window, cx| {
10933 Self::open_locations_in_multibuffer(
10934 workspace,
10935 locations,
10936 title,
10937 split,
10938 MultibufferSelectionMode::First,
10939 window,
10940 cx,
10941 )
10942 })
10943 .ok();
10944
10945 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10946 })
10947 } else {
10948 Task::ready(Ok(Navigated::No))
10949 }
10950 }
10951
10952 fn compute_target_location(
10953 &self,
10954 lsp_location: lsp::Location,
10955 server_id: LanguageServerId,
10956 window: &mut Window,
10957 cx: &mut Context<Self>,
10958 ) -> Task<anyhow::Result<Option<Location>>> {
10959 let Some(project) = self.project.clone() else {
10960 return Task::ready(Ok(None));
10961 };
10962
10963 cx.spawn_in(window, move |editor, mut cx| async move {
10964 let location_task = editor.update(&mut cx, |_, cx| {
10965 project.update(cx, |project, cx| {
10966 let language_server_name = project
10967 .language_server_statuses(cx)
10968 .find(|(id, _)| server_id == *id)
10969 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10970 language_server_name.map(|language_server_name| {
10971 project.open_local_buffer_via_lsp(
10972 lsp_location.uri.clone(),
10973 server_id,
10974 language_server_name,
10975 cx,
10976 )
10977 })
10978 })
10979 })?;
10980 let location = match location_task {
10981 Some(task) => Some({
10982 let target_buffer_handle = task.await.context("open local buffer")?;
10983 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10984 let target_start = target_buffer
10985 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10986 let target_end = target_buffer
10987 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10988 target_buffer.anchor_after(target_start)
10989 ..target_buffer.anchor_before(target_end)
10990 })?;
10991 Location {
10992 buffer: target_buffer_handle,
10993 range,
10994 }
10995 }),
10996 None => None,
10997 };
10998 Ok(location)
10999 })
11000 }
11001
11002 pub fn find_all_references(
11003 &mut self,
11004 _: &FindAllReferences,
11005 window: &mut Window,
11006 cx: &mut Context<Self>,
11007 ) -> Option<Task<Result<Navigated>>> {
11008 let selection = self.selections.newest::<usize>(cx);
11009 let multi_buffer = self.buffer.read(cx);
11010 let head = selection.head();
11011
11012 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
11013 let head_anchor = multi_buffer_snapshot.anchor_at(
11014 head,
11015 if head < selection.tail() {
11016 Bias::Right
11017 } else {
11018 Bias::Left
11019 },
11020 );
11021
11022 match self
11023 .find_all_references_task_sources
11024 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
11025 {
11026 Ok(_) => {
11027 log::info!(
11028 "Ignoring repeated FindAllReferences invocation with the position of already running task"
11029 );
11030 return None;
11031 }
11032 Err(i) => {
11033 self.find_all_references_task_sources.insert(i, head_anchor);
11034 }
11035 }
11036
11037 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
11038 let workspace = self.workspace()?;
11039 let project = workspace.read(cx).project().clone();
11040 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
11041 Some(cx.spawn_in(window, |editor, mut cx| async move {
11042 let _cleanup = defer({
11043 let mut cx = cx.clone();
11044 move || {
11045 let _ = editor.update(&mut cx, |editor, _| {
11046 if let Ok(i) =
11047 editor
11048 .find_all_references_task_sources
11049 .binary_search_by(|anchor| {
11050 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
11051 })
11052 {
11053 editor.find_all_references_task_sources.remove(i);
11054 }
11055 });
11056 }
11057 });
11058
11059 let locations = references.await?;
11060 if locations.is_empty() {
11061 return anyhow::Ok(Navigated::No);
11062 }
11063
11064 workspace.update_in(&mut cx, |workspace, window, cx| {
11065 let title = locations
11066 .first()
11067 .as_ref()
11068 .map(|location| {
11069 let buffer = location.buffer.read(cx);
11070 format!(
11071 "References to `{}`",
11072 buffer
11073 .text_for_range(location.range.clone())
11074 .collect::<String>()
11075 )
11076 })
11077 .unwrap();
11078 Self::open_locations_in_multibuffer(
11079 workspace,
11080 locations,
11081 title,
11082 false,
11083 MultibufferSelectionMode::First,
11084 window,
11085 cx,
11086 );
11087 Navigated::Yes
11088 })
11089 }))
11090 }
11091
11092 /// Opens a multibuffer with the given project locations in it
11093 pub fn open_locations_in_multibuffer(
11094 workspace: &mut Workspace,
11095 mut locations: Vec<Location>,
11096 title: String,
11097 split: bool,
11098 multibuffer_selection_mode: MultibufferSelectionMode,
11099 window: &mut Window,
11100 cx: &mut Context<Workspace>,
11101 ) {
11102 // If there are multiple definitions, open them in a multibuffer
11103 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
11104 let mut locations = locations.into_iter().peekable();
11105 let mut ranges = Vec::new();
11106 let capability = workspace.project().read(cx).capability();
11107
11108 let excerpt_buffer = cx.new(|cx| {
11109 let mut multibuffer = MultiBuffer::new(capability);
11110 while let Some(location) = locations.next() {
11111 let buffer = location.buffer.read(cx);
11112 let mut ranges_for_buffer = Vec::new();
11113 let range = location.range.to_offset(buffer);
11114 ranges_for_buffer.push(range.clone());
11115
11116 while let Some(next_location) = locations.peek() {
11117 if next_location.buffer == location.buffer {
11118 ranges_for_buffer.push(next_location.range.to_offset(buffer));
11119 locations.next();
11120 } else {
11121 break;
11122 }
11123 }
11124
11125 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
11126 ranges.extend(multibuffer.push_excerpts_with_context_lines(
11127 location.buffer.clone(),
11128 ranges_for_buffer,
11129 DEFAULT_MULTIBUFFER_CONTEXT,
11130 cx,
11131 ))
11132 }
11133
11134 multibuffer.with_title(title)
11135 });
11136
11137 let editor = cx.new(|cx| {
11138 Editor::for_multibuffer(
11139 excerpt_buffer,
11140 Some(workspace.project().clone()),
11141 true,
11142 window,
11143 cx,
11144 )
11145 });
11146 editor.update(cx, |editor, cx| {
11147 match multibuffer_selection_mode {
11148 MultibufferSelectionMode::First => {
11149 if let Some(first_range) = ranges.first() {
11150 editor.change_selections(None, window, cx, |selections| {
11151 selections.clear_disjoint();
11152 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
11153 });
11154 }
11155 editor.highlight_background::<Self>(
11156 &ranges,
11157 |theme| theme.editor_highlighted_line_background,
11158 cx,
11159 );
11160 }
11161 MultibufferSelectionMode::All => {
11162 editor.change_selections(None, window, cx, |selections| {
11163 selections.clear_disjoint();
11164 selections.select_anchor_ranges(ranges);
11165 });
11166 }
11167 }
11168 editor.register_buffers_with_language_servers(cx);
11169 });
11170
11171 let item = Box::new(editor);
11172 let item_id = item.item_id();
11173
11174 if split {
11175 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
11176 } else {
11177 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
11178 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
11179 pane.close_current_preview_item(window, cx)
11180 } else {
11181 None
11182 }
11183 });
11184 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
11185 }
11186 workspace.active_pane().update(cx, |pane, cx| {
11187 pane.set_preview_item_id(Some(item_id), cx);
11188 });
11189 }
11190
11191 pub fn rename(
11192 &mut self,
11193 _: &Rename,
11194 window: &mut Window,
11195 cx: &mut Context<Self>,
11196 ) -> Option<Task<Result<()>>> {
11197 use language::ToOffset as _;
11198
11199 let provider = self.semantics_provider.clone()?;
11200 let selection = self.selections.newest_anchor().clone();
11201 let (cursor_buffer, cursor_buffer_position) = self
11202 .buffer
11203 .read(cx)
11204 .text_anchor_for_position(selection.head(), cx)?;
11205 let (tail_buffer, cursor_buffer_position_end) = self
11206 .buffer
11207 .read(cx)
11208 .text_anchor_for_position(selection.tail(), cx)?;
11209 if tail_buffer != cursor_buffer {
11210 return None;
11211 }
11212
11213 let snapshot = cursor_buffer.read(cx).snapshot();
11214 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
11215 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
11216 let prepare_rename = provider
11217 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
11218 .unwrap_or_else(|| Task::ready(Ok(None)));
11219 drop(snapshot);
11220
11221 Some(cx.spawn_in(window, |this, mut cx| async move {
11222 let rename_range = if let Some(range) = prepare_rename.await? {
11223 Some(range)
11224 } else {
11225 this.update(&mut cx, |this, cx| {
11226 let buffer = this.buffer.read(cx).snapshot(cx);
11227 let mut buffer_highlights = this
11228 .document_highlights_for_position(selection.head(), &buffer)
11229 .filter(|highlight| {
11230 highlight.start.excerpt_id == selection.head().excerpt_id
11231 && highlight.end.excerpt_id == selection.head().excerpt_id
11232 });
11233 buffer_highlights
11234 .next()
11235 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
11236 })?
11237 };
11238 if let Some(rename_range) = rename_range {
11239 this.update_in(&mut cx, |this, window, cx| {
11240 let snapshot = cursor_buffer.read(cx).snapshot();
11241 let rename_buffer_range = rename_range.to_offset(&snapshot);
11242 let cursor_offset_in_rename_range =
11243 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
11244 let cursor_offset_in_rename_range_end =
11245 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
11246
11247 this.take_rename(false, window, cx);
11248 let buffer = this.buffer.read(cx).read(cx);
11249 let cursor_offset = selection.head().to_offset(&buffer);
11250 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
11251 let rename_end = rename_start + rename_buffer_range.len();
11252 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
11253 let mut old_highlight_id = None;
11254 let old_name: Arc<str> = buffer
11255 .chunks(rename_start..rename_end, true)
11256 .map(|chunk| {
11257 if old_highlight_id.is_none() {
11258 old_highlight_id = chunk.syntax_highlight_id;
11259 }
11260 chunk.text
11261 })
11262 .collect::<String>()
11263 .into();
11264
11265 drop(buffer);
11266
11267 // Position the selection in the rename editor so that it matches the current selection.
11268 this.show_local_selections = false;
11269 let rename_editor = cx.new(|cx| {
11270 let mut editor = Editor::single_line(window, cx);
11271 editor.buffer.update(cx, |buffer, cx| {
11272 buffer.edit([(0..0, old_name.clone())], None, cx)
11273 });
11274 let rename_selection_range = match cursor_offset_in_rename_range
11275 .cmp(&cursor_offset_in_rename_range_end)
11276 {
11277 Ordering::Equal => {
11278 editor.select_all(&SelectAll, window, cx);
11279 return editor;
11280 }
11281 Ordering::Less => {
11282 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
11283 }
11284 Ordering::Greater => {
11285 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
11286 }
11287 };
11288 if rename_selection_range.end > old_name.len() {
11289 editor.select_all(&SelectAll, window, cx);
11290 } else {
11291 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
11292 s.select_ranges([rename_selection_range]);
11293 });
11294 }
11295 editor
11296 });
11297 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
11298 if e == &EditorEvent::Focused {
11299 cx.emit(EditorEvent::FocusedIn)
11300 }
11301 })
11302 .detach();
11303
11304 let write_highlights =
11305 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
11306 let read_highlights =
11307 this.clear_background_highlights::<DocumentHighlightRead>(cx);
11308 let ranges = write_highlights
11309 .iter()
11310 .flat_map(|(_, ranges)| ranges.iter())
11311 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
11312 .cloned()
11313 .collect();
11314
11315 this.highlight_text::<Rename>(
11316 ranges,
11317 HighlightStyle {
11318 fade_out: Some(0.6),
11319 ..Default::default()
11320 },
11321 cx,
11322 );
11323 let rename_focus_handle = rename_editor.focus_handle(cx);
11324 window.focus(&rename_focus_handle);
11325 let block_id = this.insert_blocks(
11326 [BlockProperties {
11327 style: BlockStyle::Flex,
11328 placement: BlockPlacement::Below(range.start),
11329 height: 1,
11330 render: Arc::new({
11331 let rename_editor = rename_editor.clone();
11332 move |cx: &mut BlockContext| {
11333 let mut text_style = cx.editor_style.text.clone();
11334 if let Some(highlight_style) = old_highlight_id
11335 .and_then(|h| h.style(&cx.editor_style.syntax))
11336 {
11337 text_style = text_style.highlight(highlight_style);
11338 }
11339 div()
11340 .block_mouse_down()
11341 .pl(cx.anchor_x)
11342 .child(EditorElement::new(
11343 &rename_editor,
11344 EditorStyle {
11345 background: cx.theme().system().transparent,
11346 local_player: cx.editor_style.local_player,
11347 text: text_style,
11348 scrollbar_width: cx.editor_style.scrollbar_width,
11349 syntax: cx.editor_style.syntax.clone(),
11350 status: cx.editor_style.status.clone(),
11351 inlay_hints_style: HighlightStyle {
11352 font_weight: Some(FontWeight::BOLD),
11353 ..make_inlay_hints_style(cx.app)
11354 },
11355 inline_completion_styles: make_suggestion_styles(
11356 cx.app,
11357 ),
11358 ..EditorStyle::default()
11359 },
11360 ))
11361 .into_any_element()
11362 }
11363 }),
11364 priority: 0,
11365 }],
11366 Some(Autoscroll::fit()),
11367 cx,
11368 )[0];
11369 this.pending_rename = Some(RenameState {
11370 range,
11371 old_name,
11372 editor: rename_editor,
11373 block_id,
11374 });
11375 })?;
11376 }
11377
11378 Ok(())
11379 }))
11380 }
11381
11382 pub fn confirm_rename(
11383 &mut self,
11384 _: &ConfirmRename,
11385 window: &mut Window,
11386 cx: &mut Context<Self>,
11387 ) -> Option<Task<Result<()>>> {
11388 let rename = self.take_rename(false, window, cx)?;
11389 let workspace = self.workspace()?.downgrade();
11390 let (buffer, start) = self
11391 .buffer
11392 .read(cx)
11393 .text_anchor_for_position(rename.range.start, cx)?;
11394 let (end_buffer, _) = self
11395 .buffer
11396 .read(cx)
11397 .text_anchor_for_position(rename.range.end, cx)?;
11398 if buffer != end_buffer {
11399 return None;
11400 }
11401
11402 let old_name = rename.old_name;
11403 let new_name = rename.editor.read(cx).text(cx);
11404
11405 let rename = self.semantics_provider.as_ref()?.perform_rename(
11406 &buffer,
11407 start,
11408 new_name.clone(),
11409 cx,
11410 )?;
11411
11412 Some(cx.spawn_in(window, |editor, mut cx| async move {
11413 let project_transaction = rename.await?;
11414 Self::open_project_transaction(
11415 &editor,
11416 workspace,
11417 project_transaction,
11418 format!("Rename: {} → {}", old_name, new_name),
11419 cx.clone(),
11420 )
11421 .await?;
11422
11423 editor.update(&mut cx, |editor, cx| {
11424 editor.refresh_document_highlights(cx);
11425 })?;
11426 Ok(())
11427 }))
11428 }
11429
11430 fn take_rename(
11431 &mut self,
11432 moving_cursor: bool,
11433 window: &mut Window,
11434 cx: &mut Context<Self>,
11435 ) -> Option<RenameState> {
11436 let rename = self.pending_rename.take()?;
11437 if rename.editor.focus_handle(cx).is_focused(window) {
11438 window.focus(&self.focus_handle);
11439 }
11440
11441 self.remove_blocks(
11442 [rename.block_id].into_iter().collect(),
11443 Some(Autoscroll::fit()),
11444 cx,
11445 );
11446 self.clear_highlights::<Rename>(cx);
11447 self.show_local_selections = true;
11448
11449 if moving_cursor {
11450 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
11451 editor.selections.newest::<usize>(cx).head()
11452 });
11453
11454 // Update the selection to match the position of the selection inside
11455 // the rename editor.
11456 let snapshot = self.buffer.read(cx).read(cx);
11457 let rename_range = rename.range.to_offset(&snapshot);
11458 let cursor_in_editor = snapshot
11459 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
11460 .min(rename_range.end);
11461 drop(snapshot);
11462
11463 self.change_selections(None, window, cx, |s| {
11464 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
11465 });
11466 } else {
11467 self.refresh_document_highlights(cx);
11468 }
11469
11470 Some(rename)
11471 }
11472
11473 pub fn pending_rename(&self) -> Option<&RenameState> {
11474 self.pending_rename.as_ref()
11475 }
11476
11477 fn format(
11478 &mut self,
11479 _: &Format,
11480 window: &mut Window,
11481 cx: &mut Context<Self>,
11482 ) -> Option<Task<Result<()>>> {
11483 let project = match &self.project {
11484 Some(project) => project.clone(),
11485 None => return None,
11486 };
11487
11488 Some(self.perform_format(
11489 project,
11490 FormatTrigger::Manual,
11491 FormatTarget::Buffers,
11492 window,
11493 cx,
11494 ))
11495 }
11496
11497 fn format_selections(
11498 &mut self,
11499 _: &FormatSelections,
11500 window: &mut Window,
11501 cx: &mut Context<Self>,
11502 ) -> Option<Task<Result<()>>> {
11503 let project = match &self.project {
11504 Some(project) => project.clone(),
11505 None => return None,
11506 };
11507
11508 let ranges = self
11509 .selections
11510 .all_adjusted(cx)
11511 .into_iter()
11512 .map(|selection| selection.range())
11513 .collect_vec();
11514
11515 Some(self.perform_format(
11516 project,
11517 FormatTrigger::Manual,
11518 FormatTarget::Ranges(ranges),
11519 window,
11520 cx,
11521 ))
11522 }
11523
11524 fn perform_format(
11525 &mut self,
11526 project: Entity<Project>,
11527 trigger: FormatTrigger,
11528 target: FormatTarget,
11529 window: &mut Window,
11530 cx: &mut Context<Self>,
11531 ) -> Task<Result<()>> {
11532 let buffer = self.buffer.clone();
11533 let (buffers, target) = match target {
11534 FormatTarget::Buffers => {
11535 let mut buffers = buffer.read(cx).all_buffers();
11536 if trigger == FormatTrigger::Save {
11537 buffers.retain(|buffer| buffer.read(cx).is_dirty());
11538 }
11539 (buffers, LspFormatTarget::Buffers)
11540 }
11541 FormatTarget::Ranges(selection_ranges) => {
11542 let multi_buffer = buffer.read(cx);
11543 let snapshot = multi_buffer.read(cx);
11544 let mut buffers = HashSet::default();
11545 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
11546 BTreeMap::new();
11547 for selection_range in selection_ranges {
11548 for (buffer, buffer_range, _) in
11549 snapshot.range_to_buffer_ranges(selection_range)
11550 {
11551 let buffer_id = buffer.remote_id();
11552 let start = buffer.anchor_before(buffer_range.start);
11553 let end = buffer.anchor_after(buffer_range.end);
11554 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
11555 buffer_id_to_ranges
11556 .entry(buffer_id)
11557 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
11558 .or_insert_with(|| vec![start..end]);
11559 }
11560 }
11561 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
11562 }
11563 };
11564
11565 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
11566 let format = project.update(cx, |project, cx| {
11567 project.format(buffers, target, true, trigger, cx)
11568 });
11569
11570 cx.spawn_in(window, |_, mut cx| async move {
11571 let transaction = futures::select_biased! {
11572 () = timeout => {
11573 log::warn!("timed out waiting for formatting");
11574 None
11575 }
11576 transaction = format.log_err().fuse() => transaction,
11577 };
11578
11579 buffer
11580 .update(&mut cx, |buffer, cx| {
11581 if let Some(transaction) = transaction {
11582 if !buffer.is_singleton() {
11583 buffer.push_transaction(&transaction.0, cx);
11584 }
11585 }
11586
11587 cx.notify();
11588 })
11589 .ok();
11590
11591 Ok(())
11592 })
11593 }
11594
11595 fn restart_language_server(
11596 &mut self,
11597 _: &RestartLanguageServer,
11598 _: &mut Window,
11599 cx: &mut Context<Self>,
11600 ) {
11601 if let Some(project) = self.project.clone() {
11602 self.buffer.update(cx, |multi_buffer, cx| {
11603 project.update(cx, |project, cx| {
11604 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11605 });
11606 })
11607 }
11608 }
11609
11610 fn cancel_language_server_work(
11611 workspace: &mut Workspace,
11612 _: &actions::CancelLanguageServerWork,
11613 _: &mut Window,
11614 cx: &mut Context<Workspace>,
11615 ) {
11616 let project = workspace.project();
11617 let buffers = workspace
11618 .active_item(cx)
11619 .and_then(|item| item.act_as::<Editor>(cx))
11620 .map_or(HashSet::default(), |editor| {
11621 editor.read(cx).buffer.read(cx).all_buffers()
11622 });
11623 project.update(cx, |project, cx| {
11624 project.cancel_language_server_work_for_buffers(buffers, cx);
11625 });
11626 }
11627
11628 fn show_character_palette(
11629 &mut self,
11630 _: &ShowCharacterPalette,
11631 window: &mut Window,
11632 _: &mut Context<Self>,
11633 ) {
11634 window.show_character_palette();
11635 }
11636
11637 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11638 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11639 let buffer = self.buffer.read(cx).snapshot(cx);
11640 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11641 let primary_range_end = active_diagnostics.primary_range.end.to_offset(&buffer);
11642 let is_valid = buffer
11643 .diagnostics_in_range::<usize>(primary_range_start..primary_range_end)
11644 .any(|entry| {
11645 entry.diagnostic.is_primary
11646 && !entry.range.is_empty()
11647 && entry.range.start == primary_range_start
11648 && entry.diagnostic.message == active_diagnostics.primary_message
11649 });
11650
11651 if is_valid != active_diagnostics.is_valid {
11652 active_diagnostics.is_valid = is_valid;
11653 let mut new_styles = HashMap::default();
11654 for (block_id, diagnostic) in &active_diagnostics.blocks {
11655 new_styles.insert(
11656 *block_id,
11657 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11658 );
11659 }
11660 self.display_map.update(cx, |display_map, _cx| {
11661 display_map.replace_blocks(new_styles)
11662 });
11663 }
11664 }
11665 }
11666
11667 fn activate_diagnostics(
11668 &mut self,
11669 buffer_id: BufferId,
11670 group_id: usize,
11671 window: &mut Window,
11672 cx: &mut Context<Self>,
11673 ) {
11674 self.dismiss_diagnostics(cx);
11675 let snapshot = self.snapshot(window, cx);
11676 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11677 let buffer = self.buffer.read(cx).snapshot(cx);
11678
11679 let mut primary_range = None;
11680 let mut primary_message = None;
11681 let diagnostic_group = buffer
11682 .diagnostic_group(buffer_id, group_id)
11683 .filter_map(|entry| {
11684 let start = entry.range.start;
11685 let end = entry.range.end;
11686 if snapshot.is_line_folded(MultiBufferRow(start.row))
11687 && (start.row == end.row
11688 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11689 {
11690 return None;
11691 }
11692 if entry.diagnostic.is_primary {
11693 primary_range = Some(entry.range.clone());
11694 primary_message = Some(entry.diagnostic.message.clone());
11695 }
11696 Some(entry)
11697 })
11698 .collect::<Vec<_>>();
11699 let primary_range = primary_range?;
11700 let primary_message = primary_message?;
11701
11702 let blocks = display_map
11703 .insert_blocks(
11704 diagnostic_group.iter().map(|entry| {
11705 let diagnostic = entry.diagnostic.clone();
11706 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11707 BlockProperties {
11708 style: BlockStyle::Fixed,
11709 placement: BlockPlacement::Below(
11710 buffer.anchor_after(entry.range.start),
11711 ),
11712 height: message_height,
11713 render: diagnostic_block_renderer(diagnostic, None, true, true),
11714 priority: 0,
11715 }
11716 }),
11717 cx,
11718 )
11719 .into_iter()
11720 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11721 .collect();
11722
11723 Some(ActiveDiagnosticGroup {
11724 primary_range: buffer.anchor_before(primary_range.start)
11725 ..buffer.anchor_after(primary_range.end),
11726 primary_message,
11727 group_id,
11728 blocks,
11729 is_valid: true,
11730 })
11731 });
11732 }
11733
11734 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11735 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11736 self.display_map.update(cx, |display_map, cx| {
11737 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11738 });
11739 cx.notify();
11740 }
11741 }
11742
11743 pub fn set_selections_from_remote(
11744 &mut self,
11745 selections: Vec<Selection<Anchor>>,
11746 pending_selection: Option<Selection<Anchor>>,
11747 window: &mut Window,
11748 cx: &mut Context<Self>,
11749 ) {
11750 let old_cursor_position = self.selections.newest_anchor().head();
11751 self.selections.change_with(cx, |s| {
11752 s.select_anchors(selections);
11753 if let Some(pending_selection) = pending_selection {
11754 s.set_pending(pending_selection, SelectMode::Character);
11755 } else {
11756 s.clear_pending();
11757 }
11758 });
11759 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11760 }
11761
11762 fn push_to_selection_history(&mut self) {
11763 self.selection_history.push(SelectionHistoryEntry {
11764 selections: self.selections.disjoint_anchors(),
11765 select_next_state: self.select_next_state.clone(),
11766 select_prev_state: self.select_prev_state.clone(),
11767 add_selections_state: self.add_selections_state.clone(),
11768 });
11769 }
11770
11771 pub fn transact(
11772 &mut self,
11773 window: &mut Window,
11774 cx: &mut Context<Self>,
11775 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11776 ) -> Option<TransactionId> {
11777 self.start_transaction_at(Instant::now(), window, cx);
11778 update(self, window, cx);
11779 self.end_transaction_at(Instant::now(), cx)
11780 }
11781
11782 pub fn start_transaction_at(
11783 &mut self,
11784 now: Instant,
11785 window: &mut Window,
11786 cx: &mut Context<Self>,
11787 ) {
11788 self.end_selection(window, cx);
11789 if let Some(tx_id) = self
11790 .buffer
11791 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11792 {
11793 self.selection_history
11794 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11795 cx.emit(EditorEvent::TransactionBegun {
11796 transaction_id: tx_id,
11797 })
11798 }
11799 }
11800
11801 pub fn end_transaction_at(
11802 &mut self,
11803 now: Instant,
11804 cx: &mut Context<Self>,
11805 ) -> Option<TransactionId> {
11806 if let Some(transaction_id) = self
11807 .buffer
11808 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11809 {
11810 if let Some((_, end_selections)) =
11811 self.selection_history.transaction_mut(transaction_id)
11812 {
11813 *end_selections = Some(self.selections.disjoint_anchors());
11814 } else {
11815 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11816 }
11817
11818 cx.emit(EditorEvent::Edited { transaction_id });
11819 Some(transaction_id)
11820 } else {
11821 None
11822 }
11823 }
11824
11825 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11826 if self.selection_mark_mode {
11827 self.change_selections(None, window, cx, |s| {
11828 s.move_with(|_, sel| {
11829 sel.collapse_to(sel.head(), SelectionGoal::None);
11830 });
11831 })
11832 }
11833 self.selection_mark_mode = true;
11834 cx.notify();
11835 }
11836
11837 pub fn swap_selection_ends(
11838 &mut self,
11839 _: &actions::SwapSelectionEnds,
11840 window: &mut Window,
11841 cx: &mut Context<Self>,
11842 ) {
11843 self.change_selections(None, window, cx, |s| {
11844 s.move_with(|_, sel| {
11845 if sel.start != sel.end {
11846 sel.reversed = !sel.reversed
11847 }
11848 });
11849 });
11850 self.request_autoscroll(Autoscroll::newest(), cx);
11851 cx.notify();
11852 }
11853
11854 pub fn toggle_fold(
11855 &mut self,
11856 _: &actions::ToggleFold,
11857 window: &mut Window,
11858 cx: &mut Context<Self>,
11859 ) {
11860 if self.is_singleton(cx) {
11861 let selection = self.selections.newest::<Point>(cx);
11862
11863 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11864 let range = if selection.is_empty() {
11865 let point = selection.head().to_display_point(&display_map);
11866 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11867 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11868 .to_point(&display_map);
11869 start..end
11870 } else {
11871 selection.range()
11872 };
11873 if display_map.folds_in_range(range).next().is_some() {
11874 self.unfold_lines(&Default::default(), window, cx)
11875 } else {
11876 self.fold(&Default::default(), window, cx)
11877 }
11878 } else {
11879 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11880 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11881 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11882 .map(|(snapshot, _, _)| snapshot.remote_id())
11883 .collect();
11884
11885 for buffer_id in buffer_ids {
11886 if self.is_buffer_folded(buffer_id, cx) {
11887 self.unfold_buffer(buffer_id, cx);
11888 } else {
11889 self.fold_buffer(buffer_id, cx);
11890 }
11891 }
11892 }
11893 }
11894
11895 pub fn toggle_fold_recursive(
11896 &mut self,
11897 _: &actions::ToggleFoldRecursive,
11898 window: &mut Window,
11899 cx: &mut Context<Self>,
11900 ) {
11901 let selection = self.selections.newest::<Point>(cx);
11902
11903 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11904 let range = if selection.is_empty() {
11905 let point = selection.head().to_display_point(&display_map);
11906 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11907 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11908 .to_point(&display_map);
11909 start..end
11910 } else {
11911 selection.range()
11912 };
11913 if display_map.folds_in_range(range).next().is_some() {
11914 self.unfold_recursive(&Default::default(), window, cx)
11915 } else {
11916 self.fold_recursive(&Default::default(), window, cx)
11917 }
11918 }
11919
11920 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11921 if self.is_singleton(cx) {
11922 let mut to_fold = Vec::new();
11923 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11924 let selections = self.selections.all_adjusted(cx);
11925
11926 for selection in selections {
11927 let range = selection.range().sorted();
11928 let buffer_start_row = range.start.row;
11929
11930 if range.start.row != range.end.row {
11931 let mut found = false;
11932 let mut row = range.start.row;
11933 while row <= range.end.row {
11934 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11935 {
11936 found = true;
11937 row = crease.range().end.row + 1;
11938 to_fold.push(crease);
11939 } else {
11940 row += 1
11941 }
11942 }
11943 if found {
11944 continue;
11945 }
11946 }
11947
11948 for row in (0..=range.start.row).rev() {
11949 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11950 if crease.range().end.row >= buffer_start_row {
11951 to_fold.push(crease);
11952 if row <= range.start.row {
11953 break;
11954 }
11955 }
11956 }
11957 }
11958 }
11959
11960 self.fold_creases(to_fold, true, window, cx);
11961 } else {
11962 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11963
11964 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11965 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11966 .map(|(snapshot, _, _)| snapshot.remote_id())
11967 .collect();
11968 for buffer_id in buffer_ids {
11969 self.fold_buffer(buffer_id, cx);
11970 }
11971 }
11972 }
11973
11974 fn fold_at_level(
11975 &mut self,
11976 fold_at: &FoldAtLevel,
11977 window: &mut Window,
11978 cx: &mut Context<Self>,
11979 ) {
11980 if !self.buffer.read(cx).is_singleton() {
11981 return;
11982 }
11983
11984 let fold_at_level = fold_at.0;
11985 let snapshot = self.buffer.read(cx).snapshot(cx);
11986 let mut to_fold = Vec::new();
11987 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11988
11989 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11990 while start_row < end_row {
11991 match self
11992 .snapshot(window, cx)
11993 .crease_for_buffer_row(MultiBufferRow(start_row))
11994 {
11995 Some(crease) => {
11996 let nested_start_row = crease.range().start.row + 1;
11997 let nested_end_row = crease.range().end.row;
11998
11999 if current_level < fold_at_level {
12000 stack.push((nested_start_row, nested_end_row, current_level + 1));
12001 } else if current_level == fold_at_level {
12002 to_fold.push(crease);
12003 }
12004
12005 start_row = nested_end_row + 1;
12006 }
12007 None => start_row += 1,
12008 }
12009 }
12010 }
12011
12012 self.fold_creases(to_fold, true, window, cx);
12013 }
12014
12015 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
12016 if self.buffer.read(cx).is_singleton() {
12017 let mut fold_ranges = Vec::new();
12018 let snapshot = self.buffer.read(cx).snapshot(cx);
12019
12020 for row in 0..snapshot.max_row().0 {
12021 if let Some(foldable_range) = self
12022 .snapshot(window, cx)
12023 .crease_for_buffer_row(MultiBufferRow(row))
12024 {
12025 fold_ranges.push(foldable_range);
12026 }
12027 }
12028
12029 self.fold_creases(fold_ranges, true, window, cx);
12030 } else {
12031 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
12032 editor
12033 .update_in(&mut cx, |editor, _, cx| {
12034 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12035 editor.fold_buffer(buffer_id, cx);
12036 }
12037 })
12038 .ok();
12039 });
12040 }
12041 }
12042
12043 pub fn fold_function_bodies(
12044 &mut self,
12045 _: &actions::FoldFunctionBodies,
12046 window: &mut Window,
12047 cx: &mut Context<Self>,
12048 ) {
12049 let snapshot = self.buffer.read(cx).snapshot(cx);
12050
12051 let ranges = snapshot
12052 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
12053 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
12054 .collect::<Vec<_>>();
12055
12056 let creases = ranges
12057 .into_iter()
12058 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
12059 .collect();
12060
12061 self.fold_creases(creases, true, window, cx);
12062 }
12063
12064 pub fn fold_recursive(
12065 &mut self,
12066 _: &actions::FoldRecursive,
12067 window: &mut Window,
12068 cx: &mut Context<Self>,
12069 ) {
12070 let mut to_fold = Vec::new();
12071 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12072 let selections = self.selections.all_adjusted(cx);
12073
12074 for selection in selections {
12075 let range = selection.range().sorted();
12076 let buffer_start_row = range.start.row;
12077
12078 if range.start.row != range.end.row {
12079 let mut found = false;
12080 for row in range.start.row..=range.end.row {
12081 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12082 found = true;
12083 to_fold.push(crease);
12084 }
12085 }
12086 if found {
12087 continue;
12088 }
12089 }
12090
12091 for row in (0..=range.start.row).rev() {
12092 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
12093 if crease.range().end.row >= buffer_start_row {
12094 to_fold.push(crease);
12095 } else {
12096 break;
12097 }
12098 }
12099 }
12100 }
12101
12102 self.fold_creases(to_fold, true, window, cx);
12103 }
12104
12105 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
12106 let buffer_row = fold_at.buffer_row;
12107 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12108
12109 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
12110 let autoscroll = self
12111 .selections
12112 .all::<Point>(cx)
12113 .iter()
12114 .any(|selection| crease.range().overlaps(&selection.range()));
12115
12116 self.fold_creases(vec![crease], autoscroll, window, cx);
12117 }
12118 }
12119
12120 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
12121 if self.is_singleton(cx) {
12122 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12123 let buffer = &display_map.buffer_snapshot;
12124 let selections = self.selections.all::<Point>(cx);
12125 let ranges = selections
12126 .iter()
12127 .map(|s| {
12128 let range = s.display_range(&display_map).sorted();
12129 let mut start = range.start.to_point(&display_map);
12130 let mut end = range.end.to_point(&display_map);
12131 start.column = 0;
12132 end.column = buffer.line_len(MultiBufferRow(end.row));
12133 start..end
12134 })
12135 .collect::<Vec<_>>();
12136
12137 self.unfold_ranges(&ranges, true, true, cx);
12138 } else {
12139 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12140 let buffer_ids: HashSet<_> = multi_buffer_snapshot
12141 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
12142 .map(|(snapshot, _, _)| snapshot.remote_id())
12143 .collect();
12144 for buffer_id in buffer_ids {
12145 self.unfold_buffer(buffer_id, cx);
12146 }
12147 }
12148 }
12149
12150 pub fn unfold_recursive(
12151 &mut self,
12152 _: &UnfoldRecursive,
12153 _window: &mut Window,
12154 cx: &mut Context<Self>,
12155 ) {
12156 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12157 let selections = self.selections.all::<Point>(cx);
12158 let ranges = selections
12159 .iter()
12160 .map(|s| {
12161 let mut range = s.display_range(&display_map).sorted();
12162 *range.start.column_mut() = 0;
12163 *range.end.column_mut() = display_map.line_len(range.end.row());
12164 let start = range.start.to_point(&display_map);
12165 let end = range.end.to_point(&display_map);
12166 start..end
12167 })
12168 .collect::<Vec<_>>();
12169
12170 self.unfold_ranges(&ranges, true, true, cx);
12171 }
12172
12173 pub fn unfold_at(
12174 &mut self,
12175 unfold_at: &UnfoldAt,
12176 _window: &mut Window,
12177 cx: &mut Context<Self>,
12178 ) {
12179 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12180
12181 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
12182 ..Point::new(
12183 unfold_at.buffer_row.0,
12184 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
12185 );
12186
12187 let autoscroll = self
12188 .selections
12189 .all::<Point>(cx)
12190 .iter()
12191 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
12192
12193 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
12194 }
12195
12196 pub fn unfold_all(
12197 &mut self,
12198 _: &actions::UnfoldAll,
12199 _window: &mut Window,
12200 cx: &mut Context<Self>,
12201 ) {
12202 if self.buffer.read(cx).is_singleton() {
12203 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12204 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
12205 } else {
12206 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
12207 editor
12208 .update(&mut cx, |editor, cx| {
12209 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12210 editor.unfold_buffer(buffer_id, cx);
12211 }
12212 })
12213 .ok();
12214 });
12215 }
12216 }
12217
12218 pub fn fold_selected_ranges(
12219 &mut self,
12220 _: &FoldSelectedRanges,
12221 window: &mut Window,
12222 cx: &mut Context<Self>,
12223 ) {
12224 let selections = self.selections.all::<Point>(cx);
12225 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12226 let line_mode = self.selections.line_mode;
12227 let ranges = selections
12228 .into_iter()
12229 .map(|s| {
12230 if line_mode {
12231 let start = Point::new(s.start.row, 0);
12232 let end = Point::new(
12233 s.end.row,
12234 display_map
12235 .buffer_snapshot
12236 .line_len(MultiBufferRow(s.end.row)),
12237 );
12238 Crease::simple(start..end, display_map.fold_placeholder.clone())
12239 } else {
12240 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
12241 }
12242 })
12243 .collect::<Vec<_>>();
12244 self.fold_creases(ranges, true, window, cx);
12245 }
12246
12247 pub fn fold_ranges<T: ToOffset + Clone>(
12248 &mut self,
12249 ranges: Vec<Range<T>>,
12250 auto_scroll: bool,
12251 window: &mut Window,
12252 cx: &mut Context<Self>,
12253 ) {
12254 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12255 let ranges = ranges
12256 .into_iter()
12257 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
12258 .collect::<Vec<_>>();
12259 self.fold_creases(ranges, auto_scroll, window, cx);
12260 }
12261
12262 pub fn fold_creases<T: ToOffset + Clone>(
12263 &mut self,
12264 creases: Vec<Crease<T>>,
12265 auto_scroll: bool,
12266 window: &mut Window,
12267 cx: &mut Context<Self>,
12268 ) {
12269 if creases.is_empty() {
12270 return;
12271 }
12272
12273 let mut buffers_affected = HashSet::default();
12274 let multi_buffer = self.buffer().read(cx);
12275 for crease in &creases {
12276 if let Some((_, buffer, _)) =
12277 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
12278 {
12279 buffers_affected.insert(buffer.read(cx).remote_id());
12280 };
12281 }
12282
12283 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
12284
12285 if auto_scroll {
12286 self.request_autoscroll(Autoscroll::fit(), cx);
12287 }
12288
12289 cx.notify();
12290
12291 if let Some(active_diagnostics) = self.active_diagnostics.take() {
12292 // Clear diagnostics block when folding a range that contains it.
12293 let snapshot = self.snapshot(window, cx);
12294 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
12295 drop(snapshot);
12296 self.active_diagnostics = Some(active_diagnostics);
12297 self.dismiss_diagnostics(cx);
12298 } else {
12299 self.active_diagnostics = Some(active_diagnostics);
12300 }
12301 }
12302
12303 self.scrollbar_marker_state.dirty = true;
12304 }
12305
12306 /// Removes any folds whose ranges intersect any of the given ranges.
12307 pub fn unfold_ranges<T: ToOffset + Clone>(
12308 &mut self,
12309 ranges: &[Range<T>],
12310 inclusive: bool,
12311 auto_scroll: bool,
12312 cx: &mut Context<Self>,
12313 ) {
12314 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12315 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
12316 });
12317 }
12318
12319 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12320 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
12321 return;
12322 }
12323 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12324 self.display_map
12325 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
12326 cx.emit(EditorEvent::BufferFoldToggled {
12327 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
12328 folded: true,
12329 });
12330 cx.notify();
12331 }
12332
12333 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12334 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
12335 return;
12336 }
12337 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12338 self.display_map.update(cx, |display_map, cx| {
12339 display_map.unfold_buffer(buffer_id, cx);
12340 });
12341 cx.emit(EditorEvent::BufferFoldToggled {
12342 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
12343 folded: false,
12344 });
12345 cx.notify();
12346 }
12347
12348 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
12349 self.display_map.read(cx).is_buffer_folded(buffer)
12350 }
12351
12352 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
12353 self.display_map.read(cx).folded_buffers()
12354 }
12355
12356 /// Removes any folds with the given ranges.
12357 pub fn remove_folds_with_type<T: ToOffset + Clone>(
12358 &mut self,
12359 ranges: &[Range<T>],
12360 type_id: TypeId,
12361 auto_scroll: bool,
12362 cx: &mut Context<Self>,
12363 ) {
12364 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12365 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
12366 });
12367 }
12368
12369 fn remove_folds_with<T: ToOffset + Clone>(
12370 &mut self,
12371 ranges: &[Range<T>],
12372 auto_scroll: bool,
12373 cx: &mut Context<Self>,
12374 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
12375 ) {
12376 if ranges.is_empty() {
12377 return;
12378 }
12379
12380 let mut buffers_affected = HashSet::default();
12381 let multi_buffer = self.buffer().read(cx);
12382 for range in ranges {
12383 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
12384 buffers_affected.insert(buffer.read(cx).remote_id());
12385 };
12386 }
12387
12388 self.display_map.update(cx, update);
12389
12390 if auto_scroll {
12391 self.request_autoscroll(Autoscroll::fit(), cx);
12392 }
12393
12394 cx.notify();
12395 self.scrollbar_marker_state.dirty = true;
12396 self.active_indent_guides_state.dirty = true;
12397 }
12398
12399 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
12400 self.display_map.read(cx).fold_placeholder.clone()
12401 }
12402
12403 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
12404 self.buffer.update(cx, |buffer, cx| {
12405 buffer.set_all_diff_hunks_expanded(cx);
12406 });
12407 }
12408
12409 pub fn set_distinguish_unstaged_diff_hunks(&mut self) {
12410 self.distinguish_unstaged_diff_hunks = true;
12411 }
12412
12413 pub fn expand_all_diff_hunks(
12414 &mut self,
12415 _: &ExpandAllHunkDiffs,
12416 _window: &mut Window,
12417 cx: &mut Context<Self>,
12418 ) {
12419 self.buffer.update(cx, |buffer, cx| {
12420 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
12421 });
12422 }
12423
12424 pub fn toggle_selected_diff_hunks(
12425 &mut self,
12426 _: &ToggleSelectedDiffHunks,
12427 _window: &mut Window,
12428 cx: &mut Context<Self>,
12429 ) {
12430 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12431 self.toggle_diff_hunks_in_ranges(ranges, cx);
12432 }
12433
12434 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
12435 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12436 self.buffer
12437 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
12438 }
12439
12440 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
12441 self.buffer.update(cx, |buffer, cx| {
12442 let ranges = vec![Anchor::min()..Anchor::max()];
12443 if !buffer.all_diff_hunks_expanded()
12444 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
12445 {
12446 buffer.collapse_diff_hunks(ranges, cx);
12447 true
12448 } else {
12449 false
12450 }
12451 })
12452 }
12453
12454 fn toggle_diff_hunks_in_ranges(
12455 &mut self,
12456 ranges: Vec<Range<Anchor>>,
12457 cx: &mut Context<'_, Editor>,
12458 ) {
12459 self.buffer.update(cx, |buffer, cx| {
12460 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12461 buffer.expand_or_collapse_diff_hunks(ranges, expand, cx);
12462 })
12463 }
12464
12465 fn toggle_diff_hunks_in_ranges_narrow(
12466 &mut self,
12467 ranges: Vec<Range<Anchor>>,
12468 cx: &mut Context<'_, Editor>,
12469 ) {
12470 self.buffer.update(cx, |buffer, cx| {
12471 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12472 buffer.expand_or_collapse_diff_hunks_narrow(ranges, expand, cx);
12473 })
12474 }
12475
12476 pub(crate) fn apply_all_diff_hunks(
12477 &mut self,
12478 _: &ApplyAllDiffHunks,
12479 window: &mut Window,
12480 cx: &mut Context<Self>,
12481 ) {
12482 let buffers = self.buffer.read(cx).all_buffers();
12483 for branch_buffer in buffers {
12484 branch_buffer.update(cx, |branch_buffer, cx| {
12485 branch_buffer.merge_into_base(Vec::new(), cx);
12486 });
12487 }
12488
12489 if let Some(project) = self.project.clone() {
12490 self.save(true, project, window, cx).detach_and_log_err(cx);
12491 }
12492 }
12493
12494 pub(crate) fn apply_selected_diff_hunks(
12495 &mut self,
12496 _: &ApplyDiffHunk,
12497 window: &mut Window,
12498 cx: &mut Context<Self>,
12499 ) {
12500 let snapshot = self.snapshot(window, cx);
12501 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
12502 let mut ranges_by_buffer = HashMap::default();
12503 self.transact(window, cx, |editor, _window, cx| {
12504 for hunk in hunks {
12505 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
12506 ranges_by_buffer
12507 .entry(buffer.clone())
12508 .or_insert_with(Vec::new)
12509 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
12510 }
12511 }
12512
12513 for (buffer, ranges) in ranges_by_buffer {
12514 buffer.update(cx, |buffer, cx| {
12515 buffer.merge_into_base(ranges, cx);
12516 });
12517 }
12518 });
12519
12520 if let Some(project) = self.project.clone() {
12521 self.save(true, project, window, cx).detach_and_log_err(cx);
12522 }
12523 }
12524
12525 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
12526 if hovered != self.gutter_hovered {
12527 self.gutter_hovered = hovered;
12528 cx.notify();
12529 }
12530 }
12531
12532 pub fn insert_blocks(
12533 &mut self,
12534 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
12535 autoscroll: Option<Autoscroll>,
12536 cx: &mut Context<Self>,
12537 ) -> Vec<CustomBlockId> {
12538 let blocks = self
12539 .display_map
12540 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
12541 if let Some(autoscroll) = autoscroll {
12542 self.request_autoscroll(autoscroll, cx);
12543 }
12544 cx.notify();
12545 blocks
12546 }
12547
12548 pub fn resize_blocks(
12549 &mut self,
12550 heights: HashMap<CustomBlockId, u32>,
12551 autoscroll: Option<Autoscroll>,
12552 cx: &mut Context<Self>,
12553 ) {
12554 self.display_map
12555 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
12556 if let Some(autoscroll) = autoscroll {
12557 self.request_autoscroll(autoscroll, cx);
12558 }
12559 cx.notify();
12560 }
12561
12562 pub fn replace_blocks(
12563 &mut self,
12564 renderers: HashMap<CustomBlockId, RenderBlock>,
12565 autoscroll: Option<Autoscroll>,
12566 cx: &mut Context<Self>,
12567 ) {
12568 self.display_map
12569 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
12570 if let Some(autoscroll) = autoscroll {
12571 self.request_autoscroll(autoscroll, cx);
12572 }
12573 cx.notify();
12574 }
12575
12576 pub fn remove_blocks(
12577 &mut self,
12578 block_ids: HashSet<CustomBlockId>,
12579 autoscroll: Option<Autoscroll>,
12580 cx: &mut Context<Self>,
12581 ) {
12582 self.display_map.update(cx, |display_map, cx| {
12583 display_map.remove_blocks(block_ids, cx)
12584 });
12585 if let Some(autoscroll) = autoscroll {
12586 self.request_autoscroll(autoscroll, cx);
12587 }
12588 cx.notify();
12589 }
12590
12591 pub fn row_for_block(
12592 &self,
12593 block_id: CustomBlockId,
12594 cx: &mut Context<Self>,
12595 ) -> Option<DisplayRow> {
12596 self.display_map
12597 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12598 }
12599
12600 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12601 self.focused_block = Some(focused_block);
12602 }
12603
12604 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12605 self.focused_block.take()
12606 }
12607
12608 pub fn insert_creases(
12609 &mut self,
12610 creases: impl IntoIterator<Item = Crease<Anchor>>,
12611 cx: &mut Context<Self>,
12612 ) -> Vec<CreaseId> {
12613 self.display_map
12614 .update(cx, |map, cx| map.insert_creases(creases, cx))
12615 }
12616
12617 pub fn remove_creases(
12618 &mut self,
12619 ids: impl IntoIterator<Item = CreaseId>,
12620 cx: &mut Context<Self>,
12621 ) {
12622 self.display_map
12623 .update(cx, |map, cx| map.remove_creases(ids, cx));
12624 }
12625
12626 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12627 self.display_map
12628 .update(cx, |map, cx| map.snapshot(cx))
12629 .longest_row()
12630 }
12631
12632 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12633 self.display_map
12634 .update(cx, |map, cx| map.snapshot(cx))
12635 .max_point()
12636 }
12637
12638 pub fn text(&self, cx: &App) -> String {
12639 self.buffer.read(cx).read(cx).text()
12640 }
12641
12642 pub fn is_empty(&self, cx: &App) -> bool {
12643 self.buffer.read(cx).read(cx).is_empty()
12644 }
12645
12646 pub fn text_option(&self, cx: &App) -> Option<String> {
12647 let text = self.text(cx);
12648 let text = text.trim();
12649
12650 if text.is_empty() {
12651 return None;
12652 }
12653
12654 Some(text.to_string())
12655 }
12656
12657 pub fn set_text(
12658 &mut self,
12659 text: impl Into<Arc<str>>,
12660 window: &mut Window,
12661 cx: &mut Context<Self>,
12662 ) {
12663 self.transact(window, cx, |this, _, cx| {
12664 this.buffer
12665 .read(cx)
12666 .as_singleton()
12667 .expect("you can only call set_text on editors for singleton buffers")
12668 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12669 });
12670 }
12671
12672 pub fn display_text(&self, cx: &mut App) -> String {
12673 self.display_map
12674 .update(cx, |map, cx| map.snapshot(cx))
12675 .text()
12676 }
12677
12678 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12679 let mut wrap_guides = smallvec::smallvec![];
12680
12681 if self.show_wrap_guides == Some(false) {
12682 return wrap_guides;
12683 }
12684
12685 let settings = self.buffer.read(cx).settings_at(0, cx);
12686 if settings.show_wrap_guides {
12687 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12688 wrap_guides.push((soft_wrap as usize, true));
12689 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12690 wrap_guides.push((soft_wrap as usize, true));
12691 }
12692 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12693 }
12694
12695 wrap_guides
12696 }
12697
12698 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12699 let settings = self.buffer.read(cx).settings_at(0, cx);
12700 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12701 match mode {
12702 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12703 SoftWrap::None
12704 }
12705 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12706 language_settings::SoftWrap::PreferredLineLength => {
12707 SoftWrap::Column(settings.preferred_line_length)
12708 }
12709 language_settings::SoftWrap::Bounded => {
12710 SoftWrap::Bounded(settings.preferred_line_length)
12711 }
12712 }
12713 }
12714
12715 pub fn set_soft_wrap_mode(
12716 &mut self,
12717 mode: language_settings::SoftWrap,
12718
12719 cx: &mut Context<Self>,
12720 ) {
12721 self.soft_wrap_mode_override = Some(mode);
12722 cx.notify();
12723 }
12724
12725 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12726 self.text_style_refinement = Some(style);
12727 }
12728
12729 /// called by the Element so we know what style we were most recently rendered with.
12730 pub(crate) fn set_style(
12731 &mut self,
12732 style: EditorStyle,
12733 window: &mut Window,
12734 cx: &mut Context<Self>,
12735 ) {
12736 let rem_size = window.rem_size();
12737 self.display_map.update(cx, |map, cx| {
12738 map.set_font(
12739 style.text.font(),
12740 style.text.font_size.to_pixels(rem_size),
12741 cx,
12742 )
12743 });
12744 self.style = Some(style);
12745 }
12746
12747 pub fn style(&self) -> Option<&EditorStyle> {
12748 self.style.as_ref()
12749 }
12750
12751 // Called by the element. This method is not designed to be called outside of the editor
12752 // element's layout code because it does not notify when rewrapping is computed synchronously.
12753 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12754 self.display_map
12755 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12756 }
12757
12758 pub fn set_soft_wrap(&mut self) {
12759 self.soft_wrap_mode_override = Some(language_settings::SoftWrap::EditorWidth)
12760 }
12761
12762 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12763 if self.soft_wrap_mode_override.is_some() {
12764 self.soft_wrap_mode_override.take();
12765 } else {
12766 let soft_wrap = match self.soft_wrap_mode(cx) {
12767 SoftWrap::GitDiff => return,
12768 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12769 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12770 language_settings::SoftWrap::None
12771 }
12772 };
12773 self.soft_wrap_mode_override = Some(soft_wrap);
12774 }
12775 cx.notify();
12776 }
12777
12778 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12779 let Some(workspace) = self.workspace() else {
12780 return;
12781 };
12782 let fs = workspace.read(cx).app_state().fs.clone();
12783 let current_show = TabBarSettings::get_global(cx).show;
12784 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12785 setting.show = Some(!current_show);
12786 });
12787 }
12788
12789 pub fn toggle_indent_guides(
12790 &mut self,
12791 _: &ToggleIndentGuides,
12792 _: &mut Window,
12793 cx: &mut Context<Self>,
12794 ) {
12795 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12796 self.buffer
12797 .read(cx)
12798 .settings_at(0, cx)
12799 .indent_guides
12800 .enabled
12801 });
12802 self.show_indent_guides = Some(!currently_enabled);
12803 cx.notify();
12804 }
12805
12806 fn should_show_indent_guides(&self) -> Option<bool> {
12807 self.show_indent_guides
12808 }
12809
12810 pub fn toggle_line_numbers(
12811 &mut self,
12812 _: &ToggleLineNumbers,
12813 _: &mut Window,
12814 cx: &mut Context<Self>,
12815 ) {
12816 let mut editor_settings = EditorSettings::get_global(cx).clone();
12817 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12818 EditorSettings::override_global(editor_settings, cx);
12819 }
12820
12821 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12822 self.use_relative_line_numbers
12823 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12824 }
12825
12826 pub fn toggle_relative_line_numbers(
12827 &mut self,
12828 _: &ToggleRelativeLineNumbers,
12829 _: &mut Window,
12830 cx: &mut Context<Self>,
12831 ) {
12832 let is_relative = self.should_use_relative_line_numbers(cx);
12833 self.set_relative_line_number(Some(!is_relative), cx)
12834 }
12835
12836 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12837 self.use_relative_line_numbers = is_relative;
12838 cx.notify();
12839 }
12840
12841 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12842 self.show_gutter = show_gutter;
12843 cx.notify();
12844 }
12845
12846 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12847 self.show_scrollbars = show_scrollbars;
12848 cx.notify();
12849 }
12850
12851 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12852 self.show_line_numbers = Some(show_line_numbers);
12853 cx.notify();
12854 }
12855
12856 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12857 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12858 cx.notify();
12859 }
12860
12861 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12862 self.show_code_actions = Some(show_code_actions);
12863 cx.notify();
12864 }
12865
12866 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12867 self.show_runnables = Some(show_runnables);
12868 cx.notify();
12869 }
12870
12871 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12872 if self.display_map.read(cx).masked != masked {
12873 self.display_map.update(cx, |map, _| map.masked = masked);
12874 }
12875 cx.notify()
12876 }
12877
12878 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12879 self.show_wrap_guides = Some(show_wrap_guides);
12880 cx.notify();
12881 }
12882
12883 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12884 self.show_indent_guides = Some(show_indent_guides);
12885 cx.notify();
12886 }
12887
12888 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12889 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12890 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12891 if let Some(dir) = file.abs_path(cx).parent() {
12892 return Some(dir.to_owned());
12893 }
12894 }
12895
12896 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12897 return Some(project_path.path.to_path_buf());
12898 }
12899 }
12900
12901 None
12902 }
12903
12904 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12905 self.active_excerpt(cx)?
12906 .1
12907 .read(cx)
12908 .file()
12909 .and_then(|f| f.as_local())
12910 }
12911
12912 pub fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12913 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12914 let buffer = buffer.read(cx);
12915 if let Some(project_path) = buffer.project_path(cx) {
12916 let project = self.project.as_ref()?.read(cx);
12917 project.absolute_path(&project_path, cx)
12918 } else {
12919 buffer
12920 .file()
12921 .and_then(|file| file.as_local().map(|file| file.abs_path(cx)))
12922 }
12923 })
12924 }
12925
12926 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12927 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12928 let project_path = buffer.read(cx).project_path(cx)?;
12929 let project = self.project.as_ref()?.read(cx);
12930 let entry = project.entry_for_path(&project_path, cx)?;
12931 let path = entry.path.to_path_buf();
12932 Some(path)
12933 })
12934 }
12935
12936 pub fn reveal_in_finder(
12937 &mut self,
12938 _: &RevealInFileManager,
12939 _window: &mut Window,
12940 cx: &mut Context<Self>,
12941 ) {
12942 if let Some(target) = self.target_file(cx) {
12943 cx.reveal_path(&target.abs_path(cx));
12944 }
12945 }
12946
12947 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12948 if let Some(path) = self.target_file_abs_path(cx) {
12949 if let Some(path) = path.to_str() {
12950 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12951 }
12952 }
12953 }
12954
12955 pub fn copy_relative_path(
12956 &mut self,
12957 _: &CopyRelativePath,
12958 _window: &mut Window,
12959 cx: &mut Context<Self>,
12960 ) {
12961 if let Some(path) = self.target_file_path(cx) {
12962 if let Some(path) = path.to_str() {
12963 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12964 }
12965 }
12966 }
12967
12968 pub fn copy_file_name_without_extension(
12969 &mut self,
12970 _: &CopyFileNameWithoutExtension,
12971 _: &mut Window,
12972 cx: &mut Context<Self>,
12973 ) {
12974 if let Some(file) = self.target_file(cx) {
12975 if let Some(file_stem) = file.path().file_stem() {
12976 if let Some(name) = file_stem.to_str() {
12977 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
12978 }
12979 }
12980 }
12981 }
12982
12983 pub fn copy_file_name(&mut self, _: &CopyFileName, _: &mut Window, cx: &mut Context<Self>) {
12984 if let Some(file) = self.target_file(cx) {
12985 if let Some(file_name) = file.path().file_name() {
12986 if let Some(name) = file_name.to_str() {
12987 cx.write_to_clipboard(ClipboardItem::new_string(name.to_string()));
12988 }
12989 }
12990 }
12991 }
12992
12993 pub fn toggle_git_blame(
12994 &mut self,
12995 _: &ToggleGitBlame,
12996 window: &mut Window,
12997 cx: &mut Context<Self>,
12998 ) {
12999 self.show_git_blame_gutter = !self.show_git_blame_gutter;
13000
13001 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
13002 self.start_git_blame(true, window, cx);
13003 }
13004
13005 cx.notify();
13006 }
13007
13008 pub fn toggle_git_blame_inline(
13009 &mut self,
13010 _: &ToggleGitBlameInline,
13011 window: &mut Window,
13012 cx: &mut Context<Self>,
13013 ) {
13014 self.toggle_git_blame_inline_internal(true, window, cx);
13015 cx.notify();
13016 }
13017
13018 pub fn git_blame_inline_enabled(&self) -> bool {
13019 self.git_blame_inline_enabled
13020 }
13021
13022 pub fn toggle_selection_menu(
13023 &mut self,
13024 _: &ToggleSelectionMenu,
13025 _: &mut Window,
13026 cx: &mut Context<Self>,
13027 ) {
13028 self.show_selection_menu = self
13029 .show_selection_menu
13030 .map(|show_selections_menu| !show_selections_menu)
13031 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
13032
13033 cx.notify();
13034 }
13035
13036 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
13037 self.show_selection_menu
13038 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
13039 }
13040
13041 fn start_git_blame(
13042 &mut self,
13043 user_triggered: bool,
13044 window: &mut Window,
13045 cx: &mut Context<Self>,
13046 ) {
13047 if let Some(project) = self.project.as_ref() {
13048 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
13049 return;
13050 };
13051
13052 if buffer.read(cx).file().is_none() {
13053 return;
13054 }
13055
13056 let focused = self.focus_handle(cx).contains_focused(window, cx);
13057
13058 let project = project.clone();
13059 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
13060 self.blame_subscription =
13061 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
13062 self.blame = Some(blame);
13063 }
13064 }
13065
13066 fn toggle_git_blame_inline_internal(
13067 &mut self,
13068 user_triggered: bool,
13069 window: &mut Window,
13070 cx: &mut Context<Self>,
13071 ) {
13072 if self.git_blame_inline_enabled {
13073 self.git_blame_inline_enabled = false;
13074 self.show_git_blame_inline = false;
13075 self.show_git_blame_inline_delay_task.take();
13076 } else {
13077 self.git_blame_inline_enabled = true;
13078 self.start_git_blame_inline(user_triggered, window, cx);
13079 }
13080
13081 cx.notify();
13082 }
13083
13084 fn start_git_blame_inline(
13085 &mut self,
13086 user_triggered: bool,
13087 window: &mut Window,
13088 cx: &mut Context<Self>,
13089 ) {
13090 self.start_git_blame(user_triggered, window, cx);
13091
13092 if ProjectSettings::get_global(cx)
13093 .git
13094 .inline_blame_delay()
13095 .is_some()
13096 {
13097 self.start_inline_blame_timer(window, cx);
13098 } else {
13099 self.show_git_blame_inline = true
13100 }
13101 }
13102
13103 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
13104 self.blame.as_ref()
13105 }
13106
13107 pub fn show_git_blame_gutter(&self) -> bool {
13108 self.show_git_blame_gutter
13109 }
13110
13111 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
13112 self.show_git_blame_gutter && self.has_blame_entries(cx)
13113 }
13114
13115 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
13116 self.show_git_blame_inline
13117 && self.focus_handle.is_focused(window)
13118 && !self.newest_selection_head_on_empty_line(cx)
13119 && self.has_blame_entries(cx)
13120 }
13121
13122 fn has_blame_entries(&self, cx: &App) -> bool {
13123 self.blame()
13124 .map_or(false, |blame| blame.read(cx).has_generated_entries())
13125 }
13126
13127 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
13128 let cursor_anchor = self.selections.newest_anchor().head();
13129
13130 let snapshot = self.buffer.read(cx).snapshot(cx);
13131 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
13132
13133 snapshot.line_len(buffer_row) == 0
13134 }
13135
13136 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
13137 let buffer_and_selection = maybe!({
13138 let selection = self.selections.newest::<Point>(cx);
13139 let selection_range = selection.range();
13140
13141 let multi_buffer = self.buffer().read(cx);
13142 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13143 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
13144
13145 let (buffer, range, _) = if selection.reversed {
13146 buffer_ranges.first()
13147 } else {
13148 buffer_ranges.last()
13149 }?;
13150
13151 let selection = text::ToPoint::to_point(&range.start, &buffer).row
13152 ..text::ToPoint::to_point(&range.end, &buffer).row;
13153 Some((
13154 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
13155 selection,
13156 ))
13157 });
13158
13159 let Some((buffer, selection)) = buffer_and_selection else {
13160 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
13161 };
13162
13163 let Some(project) = self.project.as_ref() else {
13164 return Task::ready(Err(anyhow!("editor does not have project")));
13165 };
13166
13167 project.update(cx, |project, cx| {
13168 project.get_permalink_to_line(&buffer, selection, cx)
13169 })
13170 }
13171
13172 pub fn copy_permalink_to_line(
13173 &mut self,
13174 _: &CopyPermalinkToLine,
13175 window: &mut Window,
13176 cx: &mut Context<Self>,
13177 ) {
13178 let permalink_task = self.get_permalink_to_line(cx);
13179 let workspace = self.workspace();
13180
13181 cx.spawn_in(window, |_, mut cx| async move {
13182 match permalink_task.await {
13183 Ok(permalink) => {
13184 cx.update(|_, cx| {
13185 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
13186 })
13187 .ok();
13188 }
13189 Err(err) => {
13190 let message = format!("Failed to copy permalink: {err}");
13191
13192 Err::<(), anyhow::Error>(err).log_err();
13193
13194 if let Some(workspace) = workspace {
13195 workspace
13196 .update_in(&mut cx, |workspace, _, cx| {
13197 struct CopyPermalinkToLine;
13198
13199 workspace.show_toast(
13200 Toast::new(
13201 NotificationId::unique::<CopyPermalinkToLine>(),
13202 message,
13203 ),
13204 cx,
13205 )
13206 })
13207 .ok();
13208 }
13209 }
13210 }
13211 })
13212 .detach();
13213 }
13214
13215 pub fn copy_file_location(
13216 &mut self,
13217 _: &CopyFileLocation,
13218 _: &mut Window,
13219 cx: &mut Context<Self>,
13220 ) {
13221 let selection = self.selections.newest::<Point>(cx).start.row + 1;
13222 if let Some(file) = self.target_file(cx) {
13223 if let Some(path) = file.path().to_str() {
13224 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
13225 }
13226 }
13227 }
13228
13229 pub fn open_permalink_to_line(
13230 &mut self,
13231 _: &OpenPermalinkToLine,
13232 window: &mut Window,
13233 cx: &mut Context<Self>,
13234 ) {
13235 let permalink_task = self.get_permalink_to_line(cx);
13236 let workspace = self.workspace();
13237
13238 cx.spawn_in(window, |_, mut cx| async move {
13239 match permalink_task.await {
13240 Ok(permalink) => {
13241 cx.update(|_, cx| {
13242 cx.open_url(permalink.as_ref());
13243 })
13244 .ok();
13245 }
13246 Err(err) => {
13247 let message = format!("Failed to open permalink: {err}");
13248
13249 Err::<(), anyhow::Error>(err).log_err();
13250
13251 if let Some(workspace) = workspace {
13252 workspace
13253 .update(&mut cx, |workspace, cx| {
13254 struct OpenPermalinkToLine;
13255
13256 workspace.show_toast(
13257 Toast::new(
13258 NotificationId::unique::<OpenPermalinkToLine>(),
13259 message,
13260 ),
13261 cx,
13262 )
13263 })
13264 .ok();
13265 }
13266 }
13267 }
13268 })
13269 .detach();
13270 }
13271
13272 pub fn insert_uuid_v4(
13273 &mut self,
13274 _: &InsertUuidV4,
13275 window: &mut Window,
13276 cx: &mut Context<Self>,
13277 ) {
13278 self.insert_uuid(UuidVersion::V4, window, cx);
13279 }
13280
13281 pub fn insert_uuid_v7(
13282 &mut self,
13283 _: &InsertUuidV7,
13284 window: &mut Window,
13285 cx: &mut Context<Self>,
13286 ) {
13287 self.insert_uuid(UuidVersion::V7, window, cx);
13288 }
13289
13290 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
13291 self.transact(window, cx, |this, window, cx| {
13292 let edits = this
13293 .selections
13294 .all::<Point>(cx)
13295 .into_iter()
13296 .map(|selection| {
13297 let uuid = match version {
13298 UuidVersion::V4 => uuid::Uuid::new_v4(),
13299 UuidVersion::V7 => uuid::Uuid::now_v7(),
13300 };
13301
13302 (selection.range(), uuid.to_string())
13303 });
13304 this.edit(edits, cx);
13305 this.refresh_inline_completion(true, false, window, cx);
13306 });
13307 }
13308
13309 pub fn open_selections_in_multibuffer(
13310 &mut self,
13311 _: &OpenSelectionsInMultibuffer,
13312 window: &mut Window,
13313 cx: &mut Context<Self>,
13314 ) {
13315 let multibuffer = self.buffer.read(cx);
13316
13317 let Some(buffer) = multibuffer.as_singleton() else {
13318 return;
13319 };
13320
13321 let Some(workspace) = self.workspace() else {
13322 return;
13323 };
13324
13325 let locations = self
13326 .selections
13327 .disjoint_anchors()
13328 .iter()
13329 .map(|range| Location {
13330 buffer: buffer.clone(),
13331 range: range.start.text_anchor..range.end.text_anchor,
13332 })
13333 .collect::<Vec<_>>();
13334
13335 let title = multibuffer.title(cx).to_string();
13336
13337 cx.spawn_in(window, |_, mut cx| async move {
13338 workspace.update_in(&mut cx, |workspace, window, cx| {
13339 Self::open_locations_in_multibuffer(
13340 workspace,
13341 locations,
13342 format!("Selections for '{title}'"),
13343 false,
13344 MultibufferSelectionMode::All,
13345 window,
13346 cx,
13347 );
13348 })
13349 })
13350 .detach();
13351 }
13352
13353 /// Adds a row highlight for the given range. If a row has multiple highlights, the
13354 /// last highlight added will be used.
13355 ///
13356 /// If the range ends at the beginning of a line, then that line will not be highlighted.
13357 pub fn highlight_rows<T: 'static>(
13358 &mut self,
13359 range: Range<Anchor>,
13360 color: Hsla,
13361 should_autoscroll: bool,
13362 cx: &mut Context<Self>,
13363 ) {
13364 let snapshot = self.buffer().read(cx).snapshot(cx);
13365 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13366 let ix = row_highlights.binary_search_by(|highlight| {
13367 Ordering::Equal
13368 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
13369 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
13370 });
13371
13372 if let Err(mut ix) = ix {
13373 let index = post_inc(&mut self.highlight_order);
13374
13375 // If this range intersects with the preceding highlight, then merge it with
13376 // the preceding highlight. Otherwise insert a new highlight.
13377 let mut merged = false;
13378 if ix > 0 {
13379 let prev_highlight = &mut row_highlights[ix - 1];
13380 if prev_highlight
13381 .range
13382 .end
13383 .cmp(&range.start, &snapshot)
13384 .is_ge()
13385 {
13386 ix -= 1;
13387 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
13388 prev_highlight.range.end = range.end;
13389 }
13390 merged = true;
13391 prev_highlight.index = index;
13392 prev_highlight.color = color;
13393 prev_highlight.should_autoscroll = should_autoscroll;
13394 }
13395 }
13396
13397 if !merged {
13398 row_highlights.insert(
13399 ix,
13400 RowHighlight {
13401 range: range.clone(),
13402 index,
13403 color,
13404 should_autoscroll,
13405 },
13406 );
13407 }
13408
13409 // If any of the following highlights intersect with this one, merge them.
13410 while let Some(next_highlight) = row_highlights.get(ix + 1) {
13411 let highlight = &row_highlights[ix];
13412 if next_highlight
13413 .range
13414 .start
13415 .cmp(&highlight.range.end, &snapshot)
13416 .is_le()
13417 {
13418 if next_highlight
13419 .range
13420 .end
13421 .cmp(&highlight.range.end, &snapshot)
13422 .is_gt()
13423 {
13424 row_highlights[ix].range.end = next_highlight.range.end;
13425 }
13426 row_highlights.remove(ix + 1);
13427 } else {
13428 break;
13429 }
13430 }
13431 }
13432 }
13433
13434 /// Remove any highlighted row ranges of the given type that intersect the
13435 /// given ranges.
13436 pub fn remove_highlighted_rows<T: 'static>(
13437 &mut self,
13438 ranges_to_remove: Vec<Range<Anchor>>,
13439 cx: &mut Context<Self>,
13440 ) {
13441 let snapshot = self.buffer().read(cx).snapshot(cx);
13442 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13443 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
13444 row_highlights.retain(|highlight| {
13445 while let Some(range_to_remove) = ranges_to_remove.peek() {
13446 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
13447 Ordering::Less | Ordering::Equal => {
13448 ranges_to_remove.next();
13449 }
13450 Ordering::Greater => {
13451 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
13452 Ordering::Less | Ordering::Equal => {
13453 return false;
13454 }
13455 Ordering::Greater => break,
13456 }
13457 }
13458 }
13459 }
13460
13461 true
13462 })
13463 }
13464
13465 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
13466 pub fn clear_row_highlights<T: 'static>(&mut self) {
13467 self.highlighted_rows.remove(&TypeId::of::<T>());
13468 }
13469
13470 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
13471 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
13472 self.highlighted_rows
13473 .get(&TypeId::of::<T>())
13474 .map_or(&[] as &[_], |vec| vec.as_slice())
13475 .iter()
13476 .map(|highlight| (highlight.range.clone(), highlight.color))
13477 }
13478
13479 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
13480 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
13481 /// Allows to ignore certain kinds of highlights.
13482 pub fn highlighted_display_rows(
13483 &self,
13484 window: &mut Window,
13485 cx: &mut App,
13486 ) -> BTreeMap<DisplayRow, Background> {
13487 let snapshot = self.snapshot(window, cx);
13488 let mut used_highlight_orders = HashMap::default();
13489 self.highlighted_rows
13490 .iter()
13491 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
13492 .fold(
13493 BTreeMap::<DisplayRow, Background>::new(),
13494 |mut unique_rows, highlight| {
13495 let start = highlight.range.start.to_display_point(&snapshot);
13496 let end = highlight.range.end.to_display_point(&snapshot);
13497 let start_row = start.row().0;
13498 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
13499 && end.column() == 0
13500 {
13501 end.row().0.saturating_sub(1)
13502 } else {
13503 end.row().0
13504 };
13505 for row in start_row..=end_row {
13506 let used_index =
13507 used_highlight_orders.entry(row).or_insert(highlight.index);
13508 if highlight.index >= *used_index {
13509 *used_index = highlight.index;
13510 unique_rows.insert(DisplayRow(row), highlight.color.into());
13511 }
13512 }
13513 unique_rows
13514 },
13515 )
13516 }
13517
13518 pub fn highlighted_display_row_for_autoscroll(
13519 &self,
13520 snapshot: &DisplaySnapshot,
13521 ) -> Option<DisplayRow> {
13522 self.highlighted_rows
13523 .values()
13524 .flat_map(|highlighted_rows| highlighted_rows.iter())
13525 .filter_map(|highlight| {
13526 if highlight.should_autoscroll {
13527 Some(highlight.range.start.to_display_point(snapshot).row())
13528 } else {
13529 None
13530 }
13531 })
13532 .min()
13533 }
13534
13535 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
13536 self.highlight_background::<SearchWithinRange>(
13537 ranges,
13538 |colors| colors.editor_document_highlight_read_background,
13539 cx,
13540 )
13541 }
13542
13543 pub fn set_breadcrumb_header(&mut self, new_header: String) {
13544 self.breadcrumb_header = Some(new_header);
13545 }
13546
13547 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
13548 self.clear_background_highlights::<SearchWithinRange>(cx);
13549 }
13550
13551 pub fn highlight_background<T: 'static>(
13552 &mut self,
13553 ranges: &[Range<Anchor>],
13554 color_fetcher: fn(&ThemeColors) -> Hsla,
13555 cx: &mut Context<Self>,
13556 ) {
13557 self.background_highlights
13558 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13559 self.scrollbar_marker_state.dirty = true;
13560 cx.notify();
13561 }
13562
13563 pub fn clear_background_highlights<T: 'static>(
13564 &mut self,
13565 cx: &mut Context<Self>,
13566 ) -> Option<BackgroundHighlight> {
13567 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
13568 if !text_highlights.1.is_empty() {
13569 self.scrollbar_marker_state.dirty = true;
13570 cx.notify();
13571 }
13572 Some(text_highlights)
13573 }
13574
13575 pub fn highlight_gutter<T: 'static>(
13576 &mut self,
13577 ranges: &[Range<Anchor>],
13578 color_fetcher: fn(&App) -> Hsla,
13579 cx: &mut Context<Self>,
13580 ) {
13581 self.gutter_highlights
13582 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13583 cx.notify();
13584 }
13585
13586 pub fn clear_gutter_highlights<T: 'static>(
13587 &mut self,
13588 cx: &mut Context<Self>,
13589 ) -> Option<GutterHighlight> {
13590 cx.notify();
13591 self.gutter_highlights.remove(&TypeId::of::<T>())
13592 }
13593
13594 #[cfg(feature = "test-support")]
13595 pub fn all_text_background_highlights(
13596 &self,
13597 window: &mut Window,
13598 cx: &mut Context<Self>,
13599 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13600 let snapshot = self.snapshot(window, cx);
13601 let buffer = &snapshot.buffer_snapshot;
13602 let start = buffer.anchor_before(0);
13603 let end = buffer.anchor_after(buffer.len());
13604 let theme = cx.theme().colors();
13605 self.background_highlights_in_range(start..end, &snapshot, theme)
13606 }
13607
13608 #[cfg(feature = "test-support")]
13609 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
13610 let snapshot = self.buffer().read(cx).snapshot(cx);
13611
13612 let highlights = self
13613 .background_highlights
13614 .get(&TypeId::of::<items::BufferSearchHighlights>());
13615
13616 if let Some((_color, ranges)) = highlights {
13617 ranges
13618 .iter()
13619 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
13620 .collect_vec()
13621 } else {
13622 vec![]
13623 }
13624 }
13625
13626 fn document_highlights_for_position<'a>(
13627 &'a self,
13628 position: Anchor,
13629 buffer: &'a MultiBufferSnapshot,
13630 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13631 let read_highlights = self
13632 .background_highlights
13633 .get(&TypeId::of::<DocumentHighlightRead>())
13634 .map(|h| &h.1);
13635 let write_highlights = self
13636 .background_highlights
13637 .get(&TypeId::of::<DocumentHighlightWrite>())
13638 .map(|h| &h.1);
13639 let left_position = position.bias_left(buffer);
13640 let right_position = position.bias_right(buffer);
13641 read_highlights
13642 .into_iter()
13643 .chain(write_highlights)
13644 .flat_map(move |ranges| {
13645 let start_ix = match ranges.binary_search_by(|probe| {
13646 let cmp = probe.end.cmp(&left_position, buffer);
13647 if cmp.is_ge() {
13648 Ordering::Greater
13649 } else {
13650 Ordering::Less
13651 }
13652 }) {
13653 Ok(i) | Err(i) => i,
13654 };
13655
13656 ranges[start_ix..]
13657 .iter()
13658 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13659 })
13660 }
13661
13662 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13663 self.background_highlights
13664 .get(&TypeId::of::<T>())
13665 .map_or(false, |(_, highlights)| !highlights.is_empty())
13666 }
13667
13668 pub fn background_highlights_in_range(
13669 &self,
13670 search_range: Range<Anchor>,
13671 display_snapshot: &DisplaySnapshot,
13672 theme: &ThemeColors,
13673 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13674 let mut results = Vec::new();
13675 for (color_fetcher, ranges) in self.background_highlights.values() {
13676 let color = color_fetcher(theme);
13677 let start_ix = match ranges.binary_search_by(|probe| {
13678 let cmp = probe
13679 .end
13680 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13681 if cmp.is_gt() {
13682 Ordering::Greater
13683 } else {
13684 Ordering::Less
13685 }
13686 }) {
13687 Ok(i) | Err(i) => i,
13688 };
13689 for range in &ranges[start_ix..] {
13690 if range
13691 .start
13692 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13693 .is_ge()
13694 {
13695 break;
13696 }
13697
13698 let start = range.start.to_display_point(display_snapshot);
13699 let end = range.end.to_display_point(display_snapshot);
13700 results.push((start..end, color))
13701 }
13702 }
13703 results
13704 }
13705
13706 pub fn background_highlight_row_ranges<T: 'static>(
13707 &self,
13708 search_range: Range<Anchor>,
13709 display_snapshot: &DisplaySnapshot,
13710 count: usize,
13711 ) -> Vec<RangeInclusive<DisplayPoint>> {
13712 let mut results = Vec::new();
13713 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13714 return vec![];
13715 };
13716
13717 let start_ix = match ranges.binary_search_by(|probe| {
13718 let cmp = probe
13719 .end
13720 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13721 if cmp.is_gt() {
13722 Ordering::Greater
13723 } else {
13724 Ordering::Less
13725 }
13726 }) {
13727 Ok(i) | Err(i) => i,
13728 };
13729 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13730 if let (Some(start_display), Some(end_display)) = (start, end) {
13731 results.push(
13732 start_display.to_display_point(display_snapshot)
13733 ..=end_display.to_display_point(display_snapshot),
13734 );
13735 }
13736 };
13737 let mut start_row: Option<Point> = None;
13738 let mut end_row: Option<Point> = None;
13739 if ranges.len() > count {
13740 return Vec::new();
13741 }
13742 for range in &ranges[start_ix..] {
13743 if range
13744 .start
13745 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13746 .is_ge()
13747 {
13748 break;
13749 }
13750 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13751 if let Some(current_row) = &end_row {
13752 if end.row == current_row.row {
13753 continue;
13754 }
13755 }
13756 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13757 if start_row.is_none() {
13758 assert_eq!(end_row, None);
13759 start_row = Some(start);
13760 end_row = Some(end);
13761 continue;
13762 }
13763 if let Some(current_end) = end_row.as_mut() {
13764 if start.row > current_end.row + 1 {
13765 push_region(start_row, end_row);
13766 start_row = Some(start);
13767 end_row = Some(end);
13768 } else {
13769 // Merge two hunks.
13770 *current_end = end;
13771 }
13772 } else {
13773 unreachable!();
13774 }
13775 }
13776 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13777 push_region(start_row, end_row);
13778 results
13779 }
13780
13781 pub fn gutter_highlights_in_range(
13782 &self,
13783 search_range: Range<Anchor>,
13784 display_snapshot: &DisplaySnapshot,
13785 cx: &App,
13786 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13787 let mut results = Vec::new();
13788 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13789 let color = color_fetcher(cx);
13790 let start_ix = match ranges.binary_search_by(|probe| {
13791 let cmp = probe
13792 .end
13793 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13794 if cmp.is_gt() {
13795 Ordering::Greater
13796 } else {
13797 Ordering::Less
13798 }
13799 }) {
13800 Ok(i) | Err(i) => i,
13801 };
13802 for range in &ranges[start_ix..] {
13803 if range
13804 .start
13805 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13806 .is_ge()
13807 {
13808 break;
13809 }
13810
13811 let start = range.start.to_display_point(display_snapshot);
13812 let end = range.end.to_display_point(display_snapshot);
13813 results.push((start..end, color))
13814 }
13815 }
13816 results
13817 }
13818
13819 /// Get the text ranges corresponding to the redaction query
13820 pub fn redacted_ranges(
13821 &self,
13822 search_range: Range<Anchor>,
13823 display_snapshot: &DisplaySnapshot,
13824 cx: &App,
13825 ) -> Vec<Range<DisplayPoint>> {
13826 display_snapshot
13827 .buffer_snapshot
13828 .redacted_ranges(search_range, |file| {
13829 if let Some(file) = file {
13830 file.is_private()
13831 && EditorSettings::get(
13832 Some(SettingsLocation {
13833 worktree_id: file.worktree_id(cx),
13834 path: file.path().as_ref(),
13835 }),
13836 cx,
13837 )
13838 .redact_private_values
13839 } else {
13840 false
13841 }
13842 })
13843 .map(|range| {
13844 range.start.to_display_point(display_snapshot)
13845 ..range.end.to_display_point(display_snapshot)
13846 })
13847 .collect()
13848 }
13849
13850 pub fn highlight_text<T: 'static>(
13851 &mut self,
13852 ranges: Vec<Range<Anchor>>,
13853 style: HighlightStyle,
13854 cx: &mut Context<Self>,
13855 ) {
13856 self.display_map.update(cx, |map, _| {
13857 map.highlight_text(TypeId::of::<T>(), ranges, style)
13858 });
13859 cx.notify();
13860 }
13861
13862 pub(crate) fn highlight_inlays<T: 'static>(
13863 &mut self,
13864 highlights: Vec<InlayHighlight>,
13865 style: HighlightStyle,
13866 cx: &mut Context<Self>,
13867 ) {
13868 self.display_map.update(cx, |map, _| {
13869 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13870 });
13871 cx.notify();
13872 }
13873
13874 pub fn text_highlights<'a, T: 'static>(
13875 &'a self,
13876 cx: &'a App,
13877 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13878 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13879 }
13880
13881 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13882 let cleared = self
13883 .display_map
13884 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13885 if cleared {
13886 cx.notify();
13887 }
13888 }
13889
13890 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13891 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13892 && self.focus_handle.is_focused(window)
13893 }
13894
13895 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13896 self.show_cursor_when_unfocused = is_enabled;
13897 cx.notify();
13898 }
13899
13900 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13901 self.project
13902 .as_ref()
13903 .map(|project| project.read(cx).lsp_store())
13904 }
13905
13906 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13907 cx.notify();
13908 }
13909
13910 fn on_buffer_event(
13911 &mut self,
13912 multibuffer: &Entity<MultiBuffer>,
13913 event: &multi_buffer::Event,
13914 window: &mut Window,
13915 cx: &mut Context<Self>,
13916 ) {
13917 match event {
13918 multi_buffer::Event::Edited {
13919 singleton_buffer_edited,
13920 edited_buffer: buffer_edited,
13921 } => {
13922 self.scrollbar_marker_state.dirty = true;
13923 self.active_indent_guides_state.dirty = true;
13924 self.refresh_active_diagnostics(cx);
13925 self.refresh_code_actions(window, cx);
13926 if self.has_active_inline_completion() {
13927 self.update_visible_inline_completion(window, cx);
13928 }
13929 if let Some(buffer) = buffer_edited {
13930 let buffer_id = buffer.read(cx).remote_id();
13931 if !self.registered_buffers.contains_key(&buffer_id) {
13932 if let Some(lsp_store) = self.lsp_store(cx) {
13933 lsp_store.update(cx, |lsp_store, cx| {
13934 self.registered_buffers.insert(
13935 buffer_id,
13936 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13937 );
13938 })
13939 }
13940 }
13941 }
13942 cx.emit(EditorEvent::BufferEdited);
13943 cx.emit(SearchEvent::MatchesInvalidated);
13944 if *singleton_buffer_edited {
13945 if let Some(project) = &self.project {
13946 let project = project.read(cx);
13947 #[allow(clippy::mutable_key_type)]
13948 let languages_affected = multibuffer
13949 .read(cx)
13950 .all_buffers()
13951 .into_iter()
13952 .filter_map(|buffer| {
13953 let buffer = buffer.read(cx);
13954 let language = buffer.language()?;
13955 if project.is_local()
13956 && project
13957 .language_servers_for_local_buffer(buffer, cx)
13958 .count()
13959 == 0
13960 {
13961 None
13962 } else {
13963 Some(language)
13964 }
13965 })
13966 .cloned()
13967 .collect::<HashSet<_>>();
13968 if !languages_affected.is_empty() {
13969 self.refresh_inlay_hints(
13970 InlayHintRefreshReason::BufferEdited(languages_affected),
13971 cx,
13972 );
13973 }
13974 }
13975 }
13976
13977 let Some(project) = &self.project else { return };
13978 let (telemetry, is_via_ssh) = {
13979 let project = project.read(cx);
13980 let telemetry = project.client().telemetry().clone();
13981 let is_via_ssh = project.is_via_ssh();
13982 (telemetry, is_via_ssh)
13983 };
13984 refresh_linked_ranges(self, window, cx);
13985 telemetry.log_edit_event("editor", is_via_ssh);
13986 }
13987 multi_buffer::Event::ExcerptsAdded {
13988 buffer,
13989 predecessor,
13990 excerpts,
13991 } => {
13992 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13993 let buffer_id = buffer.read(cx).remote_id();
13994 if self.buffer.read(cx).diff_for(buffer_id).is_none() {
13995 if let Some(project) = &self.project {
13996 get_uncommitted_diff_for_buffer(
13997 project,
13998 [buffer.clone()],
13999 self.buffer.clone(),
14000 cx,
14001 );
14002 }
14003 }
14004 cx.emit(EditorEvent::ExcerptsAdded {
14005 buffer: buffer.clone(),
14006 predecessor: *predecessor,
14007 excerpts: excerpts.clone(),
14008 });
14009 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14010 }
14011 multi_buffer::Event::ExcerptsRemoved { ids } => {
14012 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
14013 let buffer = self.buffer.read(cx);
14014 self.registered_buffers
14015 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
14016 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
14017 }
14018 multi_buffer::Event::ExcerptsEdited { ids } => {
14019 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
14020 }
14021 multi_buffer::Event::ExcerptsExpanded { ids } => {
14022 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
14023 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
14024 }
14025 multi_buffer::Event::Reparsed(buffer_id) => {
14026 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14027
14028 cx.emit(EditorEvent::Reparsed(*buffer_id));
14029 }
14030 multi_buffer::Event::DiffHunksToggled => {
14031 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14032 }
14033 multi_buffer::Event::LanguageChanged(buffer_id) => {
14034 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
14035 cx.emit(EditorEvent::Reparsed(*buffer_id));
14036 cx.notify();
14037 }
14038 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
14039 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
14040 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
14041 cx.emit(EditorEvent::TitleChanged)
14042 }
14043 // multi_buffer::Event::DiffBaseChanged => {
14044 // self.scrollbar_marker_state.dirty = true;
14045 // cx.emit(EditorEvent::DiffBaseChanged);
14046 // cx.notify();
14047 // }
14048 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
14049 multi_buffer::Event::DiagnosticsUpdated => {
14050 self.refresh_active_diagnostics(cx);
14051 self.scrollbar_marker_state.dirty = true;
14052 cx.notify();
14053 }
14054 _ => {}
14055 };
14056 }
14057
14058 fn on_display_map_changed(
14059 &mut self,
14060 _: Entity<DisplayMap>,
14061 _: &mut Window,
14062 cx: &mut Context<Self>,
14063 ) {
14064 cx.notify();
14065 }
14066
14067 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14068 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
14069 self.refresh_inline_completion(true, false, window, cx);
14070 self.refresh_inlay_hints(
14071 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
14072 self.selections.newest_anchor().head(),
14073 &self.buffer.read(cx).snapshot(cx),
14074 cx,
14075 )),
14076 cx,
14077 );
14078
14079 let old_cursor_shape = self.cursor_shape;
14080
14081 {
14082 let editor_settings = EditorSettings::get_global(cx);
14083 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
14084 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
14085 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
14086 }
14087
14088 if old_cursor_shape != self.cursor_shape {
14089 cx.emit(EditorEvent::CursorShapeChanged);
14090 }
14091
14092 let project_settings = ProjectSettings::get_global(cx);
14093 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
14094
14095 if self.mode == EditorMode::Full {
14096 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
14097 if self.git_blame_inline_enabled != inline_blame_enabled {
14098 self.toggle_git_blame_inline_internal(false, window, cx);
14099 }
14100 }
14101
14102 cx.notify();
14103 }
14104
14105 pub fn set_searchable(&mut self, searchable: bool) {
14106 self.searchable = searchable;
14107 }
14108
14109 pub fn searchable(&self) -> bool {
14110 self.searchable
14111 }
14112
14113 fn open_proposed_changes_editor(
14114 &mut self,
14115 _: &OpenProposedChangesEditor,
14116 window: &mut Window,
14117 cx: &mut Context<Self>,
14118 ) {
14119 let Some(workspace) = self.workspace() else {
14120 cx.propagate();
14121 return;
14122 };
14123
14124 let selections = self.selections.all::<usize>(cx);
14125 let multi_buffer = self.buffer.read(cx);
14126 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
14127 let mut new_selections_by_buffer = HashMap::default();
14128 for selection in selections {
14129 for (buffer, range, _) in
14130 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
14131 {
14132 let mut range = range.to_point(buffer);
14133 range.start.column = 0;
14134 range.end.column = buffer.line_len(range.end.row);
14135 new_selections_by_buffer
14136 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
14137 .or_insert(Vec::new())
14138 .push(range)
14139 }
14140 }
14141
14142 let proposed_changes_buffers = new_selections_by_buffer
14143 .into_iter()
14144 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
14145 .collect::<Vec<_>>();
14146 let proposed_changes_editor = cx.new(|cx| {
14147 ProposedChangesEditor::new(
14148 "Proposed changes",
14149 proposed_changes_buffers,
14150 self.project.clone(),
14151 window,
14152 cx,
14153 )
14154 });
14155
14156 window.defer(cx, move |window, cx| {
14157 workspace.update(cx, |workspace, cx| {
14158 workspace.active_pane().update(cx, |pane, cx| {
14159 pane.add_item(
14160 Box::new(proposed_changes_editor),
14161 true,
14162 true,
14163 None,
14164 window,
14165 cx,
14166 );
14167 });
14168 });
14169 });
14170 }
14171
14172 pub fn open_excerpts_in_split(
14173 &mut self,
14174 _: &OpenExcerptsSplit,
14175 window: &mut Window,
14176 cx: &mut Context<Self>,
14177 ) {
14178 self.open_excerpts_common(None, true, window, cx)
14179 }
14180
14181 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
14182 self.open_excerpts_common(None, false, window, cx)
14183 }
14184
14185 fn open_excerpts_common(
14186 &mut self,
14187 jump_data: Option<JumpData>,
14188 split: bool,
14189 window: &mut Window,
14190 cx: &mut Context<Self>,
14191 ) {
14192 let Some(workspace) = self.workspace() else {
14193 cx.propagate();
14194 return;
14195 };
14196
14197 if self.buffer.read(cx).is_singleton() {
14198 cx.propagate();
14199 return;
14200 }
14201
14202 let mut new_selections_by_buffer = HashMap::default();
14203 match &jump_data {
14204 Some(JumpData::MultiBufferPoint {
14205 excerpt_id,
14206 position,
14207 anchor,
14208 line_offset_from_top,
14209 }) => {
14210 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
14211 if let Some(buffer) = multi_buffer_snapshot
14212 .buffer_id_for_excerpt(*excerpt_id)
14213 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
14214 {
14215 let buffer_snapshot = buffer.read(cx).snapshot();
14216 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
14217 language::ToPoint::to_point(anchor, &buffer_snapshot)
14218 } else {
14219 buffer_snapshot.clip_point(*position, Bias::Left)
14220 };
14221 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
14222 new_selections_by_buffer.insert(
14223 buffer,
14224 (
14225 vec![jump_to_offset..jump_to_offset],
14226 Some(*line_offset_from_top),
14227 ),
14228 );
14229 }
14230 }
14231 Some(JumpData::MultiBufferRow {
14232 row,
14233 line_offset_from_top,
14234 }) => {
14235 let point = MultiBufferPoint::new(row.0, 0);
14236 if let Some((buffer, buffer_point, _)) =
14237 self.buffer.read(cx).point_to_buffer_point(point, cx)
14238 {
14239 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
14240 new_selections_by_buffer
14241 .entry(buffer)
14242 .or_insert((Vec::new(), Some(*line_offset_from_top)))
14243 .0
14244 .push(buffer_offset..buffer_offset)
14245 }
14246 }
14247 None => {
14248 let selections = self.selections.all::<usize>(cx);
14249 let multi_buffer = self.buffer.read(cx);
14250 for selection in selections {
14251 for (buffer, mut range, _) in multi_buffer
14252 .snapshot(cx)
14253 .range_to_buffer_ranges(selection.range())
14254 {
14255 // When editing branch buffers, jump to the corresponding location
14256 // in their base buffer.
14257 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
14258 let buffer = buffer_handle.read(cx);
14259 if let Some(base_buffer) = buffer.base_buffer() {
14260 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
14261 buffer_handle = base_buffer;
14262 }
14263
14264 if selection.reversed {
14265 mem::swap(&mut range.start, &mut range.end);
14266 }
14267 new_selections_by_buffer
14268 .entry(buffer_handle)
14269 .or_insert((Vec::new(), None))
14270 .0
14271 .push(range)
14272 }
14273 }
14274 }
14275 }
14276
14277 if new_selections_by_buffer.is_empty() {
14278 return;
14279 }
14280
14281 // We defer the pane interaction because we ourselves are a workspace item
14282 // and activating a new item causes the pane to call a method on us reentrantly,
14283 // which panics if we're on the stack.
14284 window.defer(cx, move |window, cx| {
14285 workspace.update(cx, |workspace, cx| {
14286 let pane = if split {
14287 workspace.adjacent_pane(window, cx)
14288 } else {
14289 workspace.active_pane().clone()
14290 };
14291
14292 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
14293 let editor = buffer
14294 .read(cx)
14295 .file()
14296 .is_none()
14297 .then(|| {
14298 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
14299 // so `workspace.open_project_item` will never find them, always opening a new editor.
14300 // Instead, we try to activate the existing editor in the pane first.
14301 let (editor, pane_item_index) =
14302 pane.read(cx).items().enumerate().find_map(|(i, item)| {
14303 let editor = item.downcast::<Editor>()?;
14304 let singleton_buffer =
14305 editor.read(cx).buffer().read(cx).as_singleton()?;
14306 if singleton_buffer == buffer {
14307 Some((editor, i))
14308 } else {
14309 None
14310 }
14311 })?;
14312 pane.update(cx, |pane, cx| {
14313 pane.activate_item(pane_item_index, true, true, window, cx)
14314 });
14315 Some(editor)
14316 })
14317 .flatten()
14318 .unwrap_or_else(|| {
14319 workspace.open_project_item::<Self>(
14320 pane.clone(),
14321 buffer,
14322 true,
14323 true,
14324 window,
14325 cx,
14326 )
14327 });
14328
14329 editor.update(cx, |editor, cx| {
14330 let autoscroll = match scroll_offset {
14331 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
14332 None => Autoscroll::newest(),
14333 };
14334 let nav_history = editor.nav_history.take();
14335 editor.change_selections(Some(autoscroll), window, cx, |s| {
14336 s.select_ranges(ranges);
14337 });
14338 editor.nav_history = nav_history;
14339 });
14340 }
14341 })
14342 });
14343 }
14344
14345 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
14346 let snapshot = self.buffer.read(cx).read(cx);
14347 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
14348 Some(
14349 ranges
14350 .iter()
14351 .map(move |range| {
14352 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
14353 })
14354 .collect(),
14355 )
14356 }
14357
14358 fn selection_replacement_ranges(
14359 &self,
14360 range: Range<OffsetUtf16>,
14361 cx: &mut App,
14362 ) -> Vec<Range<OffsetUtf16>> {
14363 let selections = self.selections.all::<OffsetUtf16>(cx);
14364 let newest_selection = selections
14365 .iter()
14366 .max_by_key(|selection| selection.id)
14367 .unwrap();
14368 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
14369 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
14370 let snapshot = self.buffer.read(cx).read(cx);
14371 selections
14372 .into_iter()
14373 .map(|mut selection| {
14374 selection.start.0 =
14375 (selection.start.0 as isize).saturating_add(start_delta) as usize;
14376 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
14377 snapshot.clip_offset_utf16(selection.start, Bias::Left)
14378 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
14379 })
14380 .collect()
14381 }
14382
14383 fn report_editor_event(
14384 &self,
14385 event_type: &'static str,
14386 file_extension: Option<String>,
14387 cx: &App,
14388 ) {
14389 if cfg!(any(test, feature = "test-support")) {
14390 return;
14391 }
14392
14393 let Some(project) = &self.project else { return };
14394
14395 // If None, we are in a file without an extension
14396 let file = self
14397 .buffer
14398 .read(cx)
14399 .as_singleton()
14400 .and_then(|b| b.read(cx).file());
14401 let file_extension = file_extension.or(file
14402 .as_ref()
14403 .and_then(|file| Path::new(file.file_name(cx)).extension())
14404 .and_then(|e| e.to_str())
14405 .map(|a| a.to_string()));
14406
14407 let vim_mode = cx
14408 .global::<SettingsStore>()
14409 .raw_user_settings()
14410 .get("vim_mode")
14411 == Some(&serde_json::Value::Bool(true));
14412
14413 let edit_predictions_provider = all_language_settings(file, cx).edit_predictions.provider;
14414 let copilot_enabled = edit_predictions_provider
14415 == language::language_settings::EditPredictionProvider::Copilot;
14416 let copilot_enabled_for_language = self
14417 .buffer
14418 .read(cx)
14419 .settings_at(0, cx)
14420 .show_edit_predictions;
14421
14422 let project = project.read(cx);
14423 telemetry::event!(
14424 event_type,
14425 file_extension,
14426 vim_mode,
14427 copilot_enabled,
14428 copilot_enabled_for_language,
14429 edit_predictions_provider,
14430 is_via_ssh = project.is_via_ssh(),
14431 );
14432 }
14433
14434 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
14435 /// with each line being an array of {text, highlight} objects.
14436 fn copy_highlight_json(
14437 &mut self,
14438 _: &CopyHighlightJson,
14439 window: &mut Window,
14440 cx: &mut Context<Self>,
14441 ) {
14442 #[derive(Serialize)]
14443 struct Chunk<'a> {
14444 text: String,
14445 highlight: Option<&'a str>,
14446 }
14447
14448 let snapshot = self.buffer.read(cx).snapshot(cx);
14449 let range = self
14450 .selected_text_range(false, window, cx)
14451 .and_then(|selection| {
14452 if selection.range.is_empty() {
14453 None
14454 } else {
14455 Some(selection.range)
14456 }
14457 })
14458 .unwrap_or_else(|| 0..snapshot.len());
14459
14460 let chunks = snapshot.chunks(range, true);
14461 let mut lines = Vec::new();
14462 let mut line: VecDeque<Chunk> = VecDeque::new();
14463
14464 let Some(style) = self.style.as_ref() else {
14465 return;
14466 };
14467
14468 for chunk in chunks {
14469 let highlight = chunk
14470 .syntax_highlight_id
14471 .and_then(|id| id.name(&style.syntax));
14472 let mut chunk_lines = chunk.text.split('\n').peekable();
14473 while let Some(text) = chunk_lines.next() {
14474 let mut merged_with_last_token = false;
14475 if let Some(last_token) = line.back_mut() {
14476 if last_token.highlight == highlight {
14477 last_token.text.push_str(text);
14478 merged_with_last_token = true;
14479 }
14480 }
14481
14482 if !merged_with_last_token {
14483 line.push_back(Chunk {
14484 text: text.into(),
14485 highlight,
14486 });
14487 }
14488
14489 if chunk_lines.peek().is_some() {
14490 if line.len() > 1 && line.front().unwrap().text.is_empty() {
14491 line.pop_front();
14492 }
14493 if line.len() > 1 && line.back().unwrap().text.is_empty() {
14494 line.pop_back();
14495 }
14496
14497 lines.push(mem::take(&mut line));
14498 }
14499 }
14500 }
14501
14502 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
14503 return;
14504 };
14505 cx.write_to_clipboard(ClipboardItem::new_string(lines));
14506 }
14507
14508 pub fn open_context_menu(
14509 &mut self,
14510 _: &OpenContextMenu,
14511 window: &mut Window,
14512 cx: &mut Context<Self>,
14513 ) {
14514 self.request_autoscroll(Autoscroll::newest(), cx);
14515 let position = self.selections.newest_display(cx).start;
14516 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
14517 }
14518
14519 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
14520 &self.inlay_hint_cache
14521 }
14522
14523 pub fn replay_insert_event(
14524 &mut self,
14525 text: &str,
14526 relative_utf16_range: Option<Range<isize>>,
14527 window: &mut Window,
14528 cx: &mut Context<Self>,
14529 ) {
14530 if !self.input_enabled {
14531 cx.emit(EditorEvent::InputIgnored { text: text.into() });
14532 return;
14533 }
14534 if let Some(relative_utf16_range) = relative_utf16_range {
14535 let selections = self.selections.all::<OffsetUtf16>(cx);
14536 self.change_selections(None, window, cx, |s| {
14537 let new_ranges = selections.into_iter().map(|range| {
14538 let start = OffsetUtf16(
14539 range
14540 .head()
14541 .0
14542 .saturating_add_signed(relative_utf16_range.start),
14543 );
14544 let end = OffsetUtf16(
14545 range
14546 .head()
14547 .0
14548 .saturating_add_signed(relative_utf16_range.end),
14549 );
14550 start..end
14551 });
14552 s.select_ranges(new_ranges);
14553 });
14554 }
14555
14556 self.handle_input(text, window, cx);
14557 }
14558
14559 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
14560 let Some(provider) = self.semantics_provider.as_ref() else {
14561 return false;
14562 };
14563
14564 let mut supports = false;
14565 self.buffer().read(cx).for_each_buffer(|buffer| {
14566 supports |= provider.supports_inlay_hints(buffer, cx);
14567 });
14568 supports
14569 }
14570
14571 pub fn is_focused(&self, window: &Window) -> bool {
14572 self.focus_handle.is_focused(window)
14573 }
14574
14575 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14576 cx.emit(EditorEvent::Focused);
14577
14578 if let Some(descendant) = self
14579 .last_focused_descendant
14580 .take()
14581 .and_then(|descendant| descendant.upgrade())
14582 {
14583 window.focus(&descendant);
14584 } else {
14585 if let Some(blame) = self.blame.as_ref() {
14586 blame.update(cx, GitBlame::focus)
14587 }
14588
14589 self.blink_manager.update(cx, BlinkManager::enable);
14590 self.show_cursor_names(window, cx);
14591 self.buffer.update(cx, |buffer, cx| {
14592 buffer.finalize_last_transaction(cx);
14593 if self.leader_peer_id.is_none() {
14594 buffer.set_active_selections(
14595 &self.selections.disjoint_anchors(),
14596 self.selections.line_mode,
14597 self.cursor_shape,
14598 cx,
14599 );
14600 }
14601 });
14602 }
14603 }
14604
14605 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
14606 cx.emit(EditorEvent::FocusedIn)
14607 }
14608
14609 fn handle_focus_out(
14610 &mut self,
14611 event: FocusOutEvent,
14612 _window: &mut Window,
14613 _cx: &mut Context<Self>,
14614 ) {
14615 if event.blurred != self.focus_handle {
14616 self.last_focused_descendant = Some(event.blurred);
14617 }
14618 }
14619
14620 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14621 self.blink_manager.update(cx, BlinkManager::disable);
14622 self.buffer
14623 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
14624
14625 if let Some(blame) = self.blame.as_ref() {
14626 blame.update(cx, GitBlame::blur)
14627 }
14628 if !self.hover_state.focused(window, cx) {
14629 hide_hover(self, cx);
14630 }
14631
14632 self.hide_context_menu(window, cx);
14633 self.discard_inline_completion(false, cx);
14634 cx.emit(EditorEvent::Blurred);
14635 cx.notify();
14636 }
14637
14638 pub fn register_action<A: Action>(
14639 &mut self,
14640 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14641 ) -> Subscription {
14642 let id = self.next_editor_action_id.post_inc();
14643 let listener = Arc::new(listener);
14644 self.editor_actions.borrow_mut().insert(
14645 id,
14646 Box::new(move |window, _| {
14647 let listener = listener.clone();
14648 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14649 let action = action.downcast_ref().unwrap();
14650 if phase == DispatchPhase::Bubble {
14651 listener(action, window, cx)
14652 }
14653 })
14654 }),
14655 );
14656
14657 let editor_actions = self.editor_actions.clone();
14658 Subscription::new(move || {
14659 editor_actions.borrow_mut().remove(&id);
14660 })
14661 }
14662
14663 pub fn file_header_size(&self) -> u32 {
14664 FILE_HEADER_HEIGHT
14665 }
14666
14667 pub fn revert(
14668 &mut self,
14669 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14670 window: &mut Window,
14671 cx: &mut Context<Self>,
14672 ) {
14673 self.buffer().update(cx, |multi_buffer, cx| {
14674 for (buffer_id, changes) in revert_changes {
14675 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14676 buffer.update(cx, |buffer, cx| {
14677 buffer.edit(
14678 changes.into_iter().map(|(range, text)| {
14679 (range, text.to_string().map(Arc::<str>::from))
14680 }),
14681 None,
14682 cx,
14683 );
14684 });
14685 }
14686 }
14687 });
14688 self.change_selections(None, window, cx, |selections| selections.refresh());
14689 }
14690
14691 pub fn to_pixel_point(
14692 &self,
14693 source: multi_buffer::Anchor,
14694 editor_snapshot: &EditorSnapshot,
14695 window: &mut Window,
14696 ) -> Option<gpui::Point<Pixels>> {
14697 let source_point = source.to_display_point(editor_snapshot);
14698 self.display_to_pixel_point(source_point, editor_snapshot, window)
14699 }
14700
14701 pub fn display_to_pixel_point(
14702 &self,
14703 source: DisplayPoint,
14704 editor_snapshot: &EditorSnapshot,
14705 window: &mut Window,
14706 ) -> Option<gpui::Point<Pixels>> {
14707 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14708 let text_layout_details = self.text_layout_details(window);
14709 let scroll_top = text_layout_details
14710 .scroll_anchor
14711 .scroll_position(editor_snapshot)
14712 .y;
14713
14714 if source.row().as_f32() < scroll_top.floor() {
14715 return None;
14716 }
14717 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14718 let source_y = line_height * (source.row().as_f32() - scroll_top);
14719 Some(gpui::Point::new(source_x, source_y))
14720 }
14721
14722 pub fn has_visible_completions_menu(&self) -> bool {
14723 !self.edit_prediction_preview_is_active()
14724 && self.context_menu.borrow().as_ref().map_or(false, |menu| {
14725 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14726 })
14727 }
14728
14729 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14730 self.addons
14731 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14732 }
14733
14734 pub fn unregister_addon<T: Addon>(&mut self) {
14735 self.addons.remove(&std::any::TypeId::of::<T>());
14736 }
14737
14738 pub fn addon<T: Addon>(&self) -> Option<&T> {
14739 let type_id = std::any::TypeId::of::<T>();
14740 self.addons
14741 .get(&type_id)
14742 .and_then(|item| item.to_any().downcast_ref::<T>())
14743 }
14744
14745 fn character_size(&self, window: &mut Window) -> gpui::Size<Pixels> {
14746 let text_layout_details = self.text_layout_details(window);
14747 let style = &text_layout_details.editor_style;
14748 let font_id = window.text_system().resolve_font(&style.text.font());
14749 let font_size = style.text.font_size.to_pixels(window.rem_size());
14750 let line_height = style.text.line_height_in_pixels(window.rem_size());
14751 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
14752
14753 gpui::Size::new(em_width, line_height)
14754 }
14755}
14756
14757fn get_uncommitted_diff_for_buffer(
14758 project: &Entity<Project>,
14759 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14760 buffer: Entity<MultiBuffer>,
14761 cx: &mut App,
14762) {
14763 let mut tasks = Vec::new();
14764 project.update(cx, |project, cx| {
14765 for buffer in buffers {
14766 tasks.push(project.open_uncommitted_diff(buffer.clone(), cx))
14767 }
14768 });
14769 cx.spawn(|mut cx| async move {
14770 let diffs = futures::future::join_all(tasks).await;
14771 buffer
14772 .update(&mut cx, |buffer, cx| {
14773 for diff in diffs.into_iter().flatten() {
14774 buffer.add_diff(diff, cx);
14775 }
14776 })
14777 .ok();
14778 })
14779 .detach();
14780}
14781
14782fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14783 let tab_size = tab_size.get() as usize;
14784 let mut width = offset;
14785
14786 for ch in text.chars() {
14787 width += if ch == '\t' {
14788 tab_size - (width % tab_size)
14789 } else {
14790 1
14791 };
14792 }
14793
14794 width - offset
14795}
14796
14797#[cfg(test)]
14798mod tests {
14799 use super::*;
14800
14801 #[test]
14802 fn test_string_size_with_expanded_tabs() {
14803 let nz = |val| NonZeroU32::new(val).unwrap();
14804 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14805 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14806 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14807 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14808 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14809 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14810 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14811 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14812 }
14813}
14814
14815/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14816struct WordBreakingTokenizer<'a> {
14817 input: &'a str,
14818}
14819
14820impl<'a> WordBreakingTokenizer<'a> {
14821 fn new(input: &'a str) -> Self {
14822 Self { input }
14823 }
14824}
14825
14826fn is_char_ideographic(ch: char) -> bool {
14827 use unicode_script::Script::*;
14828 use unicode_script::UnicodeScript;
14829 matches!(ch.script(), Han | Tangut | Yi)
14830}
14831
14832fn is_grapheme_ideographic(text: &str) -> bool {
14833 text.chars().any(is_char_ideographic)
14834}
14835
14836fn is_grapheme_whitespace(text: &str) -> bool {
14837 text.chars().any(|x| x.is_whitespace())
14838}
14839
14840fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14841 text.chars().next().map_or(false, |ch| {
14842 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14843 })
14844}
14845
14846#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14847struct WordBreakToken<'a> {
14848 token: &'a str,
14849 grapheme_len: usize,
14850 is_whitespace: bool,
14851}
14852
14853impl<'a> Iterator for WordBreakingTokenizer<'a> {
14854 /// Yields a span, the count of graphemes in the token, and whether it was
14855 /// whitespace. Note that it also breaks at word boundaries.
14856 type Item = WordBreakToken<'a>;
14857
14858 fn next(&mut self) -> Option<Self::Item> {
14859 use unicode_segmentation::UnicodeSegmentation;
14860 if self.input.is_empty() {
14861 return None;
14862 }
14863
14864 let mut iter = self.input.graphemes(true).peekable();
14865 let mut offset = 0;
14866 let mut graphemes = 0;
14867 if let Some(first_grapheme) = iter.next() {
14868 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14869 offset += first_grapheme.len();
14870 graphemes += 1;
14871 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14872 if let Some(grapheme) = iter.peek().copied() {
14873 if should_stay_with_preceding_ideograph(grapheme) {
14874 offset += grapheme.len();
14875 graphemes += 1;
14876 }
14877 }
14878 } else {
14879 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14880 let mut next_word_bound = words.peek().copied();
14881 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14882 next_word_bound = words.next();
14883 }
14884 while let Some(grapheme) = iter.peek().copied() {
14885 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14886 break;
14887 };
14888 if is_grapheme_whitespace(grapheme) != is_whitespace {
14889 break;
14890 };
14891 offset += grapheme.len();
14892 graphemes += 1;
14893 iter.next();
14894 }
14895 }
14896 let token = &self.input[..offset];
14897 self.input = &self.input[offset..];
14898 if is_whitespace {
14899 Some(WordBreakToken {
14900 token: " ",
14901 grapheme_len: 1,
14902 is_whitespace: true,
14903 })
14904 } else {
14905 Some(WordBreakToken {
14906 token,
14907 grapheme_len: graphemes,
14908 is_whitespace: false,
14909 })
14910 }
14911 } else {
14912 None
14913 }
14914 }
14915}
14916
14917#[test]
14918fn test_word_breaking_tokenizer() {
14919 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14920 ("", &[]),
14921 (" ", &[(" ", 1, true)]),
14922 ("Ʒ", &[("Ʒ", 1, false)]),
14923 ("Ǽ", &[("Ǽ", 1, false)]),
14924 ("⋑", &[("⋑", 1, false)]),
14925 ("⋑⋑", &[("⋑⋑", 2, false)]),
14926 (
14927 "原理，进而",
14928 &[
14929 ("原", 1, false),
14930 ("理，", 2, false),
14931 ("进", 1, false),
14932 ("而", 1, false),
14933 ],
14934 ),
14935 (
14936 "hello world",
14937 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14938 ),
14939 (
14940 "hello, world",
14941 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14942 ),
14943 (
14944 " hello world",
14945 &[
14946 (" ", 1, true),
14947 ("hello", 5, false),
14948 (" ", 1, true),
14949 ("world", 5, false),
14950 ],
14951 ),
14952 (
14953 "这是什么 \n 钢笔",
14954 &[
14955 ("这", 1, false),
14956 ("是", 1, false),
14957 ("什", 1, false),
14958 ("么", 1, false),
14959 (" ", 1, true),
14960 ("钢", 1, false),
14961 ("笔", 1, false),
14962 ],
14963 ),
14964 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14965 ];
14966
14967 for (input, result) in tests {
14968 assert_eq!(
14969 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14970 result
14971 .iter()
14972 .copied()
14973 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14974 token,
14975 grapheme_len,
14976 is_whitespace,
14977 })
14978 .collect::<Vec<_>>()
14979 );
14980 }
14981}
14982
14983fn wrap_with_prefix(
14984 line_prefix: String,
14985 unwrapped_text: String,
14986 wrap_column: usize,
14987 tab_size: NonZeroU32,
14988) -> String {
14989 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14990 let mut wrapped_text = String::new();
14991 let mut current_line = line_prefix.clone();
14992
14993 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14994 let mut current_line_len = line_prefix_len;
14995 for WordBreakToken {
14996 token,
14997 grapheme_len,
14998 is_whitespace,
14999 } in tokenizer
15000 {
15001 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
15002 wrapped_text.push_str(current_line.trim_end());
15003 wrapped_text.push('\n');
15004 current_line.truncate(line_prefix.len());
15005 current_line_len = line_prefix_len;
15006 if !is_whitespace {
15007 current_line.push_str(token);
15008 current_line_len += grapheme_len;
15009 }
15010 } else if !is_whitespace {
15011 current_line.push_str(token);
15012 current_line_len += grapheme_len;
15013 } else if current_line_len != line_prefix_len {
15014 current_line.push(' ');
15015 current_line_len += 1;
15016 }
15017 }
15018
15019 if !current_line.is_empty() {
15020 wrapped_text.push_str(¤t_line);
15021 }
15022 wrapped_text
15023}
15024
15025#[test]
15026fn test_wrap_with_prefix() {
15027 assert_eq!(
15028 wrap_with_prefix(
15029 "# ".to_string(),
15030 "abcdefg".to_string(),
15031 4,
15032 NonZeroU32::new(4).unwrap()
15033 ),
15034 "# abcdefg"
15035 );
15036 assert_eq!(
15037 wrap_with_prefix(
15038 "".to_string(),
15039 "\thello world".to_string(),
15040 8,
15041 NonZeroU32::new(4).unwrap()
15042 ),
15043 "hello\nworld"
15044 );
15045 assert_eq!(
15046 wrap_with_prefix(
15047 "// ".to_string(),
15048 "xx \nyy zz aa bb cc".to_string(),
15049 12,
15050 NonZeroU32::new(4).unwrap()
15051 ),
15052 "// xx yy zz\n// aa bb cc"
15053 );
15054 assert_eq!(
15055 wrap_with_prefix(
15056 String::new(),
15057 "这是什么 \n 钢笔".to_string(),
15058 3,
15059 NonZeroU32::new(4).unwrap()
15060 ),
15061 "这是什\n么 钢\n笔"
15062 );
15063}
15064
15065pub trait CollaborationHub {
15066 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
15067 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
15068 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
15069}
15070
15071impl CollaborationHub for Entity<Project> {
15072 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
15073 self.read(cx).collaborators()
15074 }
15075
15076 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
15077 self.read(cx).user_store().read(cx).participant_indices()
15078 }
15079
15080 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
15081 let this = self.read(cx);
15082 let user_ids = this.collaborators().values().map(|c| c.user_id);
15083 this.user_store().read_with(cx, |user_store, cx| {
15084 user_store.participant_names(user_ids, cx)
15085 })
15086 }
15087}
15088
15089pub trait SemanticsProvider {
15090 fn hover(
15091 &self,
15092 buffer: &Entity<Buffer>,
15093 position: text::Anchor,
15094 cx: &mut App,
15095 ) -> Option<Task<Vec<project::Hover>>>;
15096
15097 fn inlay_hints(
15098 &self,
15099 buffer_handle: Entity<Buffer>,
15100 range: Range<text::Anchor>,
15101 cx: &mut App,
15102 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
15103
15104 fn resolve_inlay_hint(
15105 &self,
15106 hint: InlayHint,
15107 buffer_handle: Entity<Buffer>,
15108 server_id: LanguageServerId,
15109 cx: &mut App,
15110 ) -> Option<Task<anyhow::Result<InlayHint>>>;
15111
15112 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
15113
15114 fn document_highlights(
15115 &self,
15116 buffer: &Entity<Buffer>,
15117 position: text::Anchor,
15118 cx: &mut App,
15119 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
15120
15121 fn definitions(
15122 &self,
15123 buffer: &Entity<Buffer>,
15124 position: text::Anchor,
15125 kind: GotoDefinitionKind,
15126 cx: &mut App,
15127 ) -> Option<Task<Result<Vec<LocationLink>>>>;
15128
15129 fn range_for_rename(
15130 &self,
15131 buffer: &Entity<Buffer>,
15132 position: text::Anchor,
15133 cx: &mut App,
15134 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
15135
15136 fn perform_rename(
15137 &self,
15138 buffer: &Entity<Buffer>,
15139 position: text::Anchor,
15140 new_name: String,
15141 cx: &mut App,
15142 ) -> Option<Task<Result<ProjectTransaction>>>;
15143}
15144
15145pub trait CompletionProvider {
15146 fn completions(
15147 &self,
15148 buffer: &Entity<Buffer>,
15149 buffer_position: text::Anchor,
15150 trigger: CompletionContext,
15151 window: &mut Window,
15152 cx: &mut Context<Editor>,
15153 ) -> Task<Result<Vec<Completion>>>;
15154
15155 fn resolve_completions(
15156 &self,
15157 buffer: Entity<Buffer>,
15158 completion_indices: Vec<usize>,
15159 completions: Rc<RefCell<Box<[Completion]>>>,
15160 cx: &mut Context<Editor>,
15161 ) -> Task<Result<bool>>;
15162
15163 fn apply_additional_edits_for_completion(
15164 &self,
15165 _buffer: Entity<Buffer>,
15166 _completions: Rc<RefCell<Box<[Completion]>>>,
15167 _completion_index: usize,
15168 _push_to_history: bool,
15169 _cx: &mut Context<Editor>,
15170 ) -> Task<Result<Option<language::Transaction>>> {
15171 Task::ready(Ok(None))
15172 }
15173
15174 fn is_completion_trigger(
15175 &self,
15176 buffer: &Entity<Buffer>,
15177 position: language::Anchor,
15178 text: &str,
15179 trigger_in_words: bool,
15180 cx: &mut Context<Editor>,
15181 ) -> bool;
15182
15183 fn sort_completions(&self) -> bool {
15184 true
15185 }
15186}
15187
15188pub trait CodeActionProvider {
15189 fn id(&self) -> Arc<str>;
15190
15191 fn code_actions(
15192 &self,
15193 buffer: &Entity<Buffer>,
15194 range: Range<text::Anchor>,
15195 window: &mut Window,
15196 cx: &mut App,
15197 ) -> Task<Result<Vec<CodeAction>>>;
15198
15199 fn apply_code_action(
15200 &self,
15201 buffer_handle: Entity<Buffer>,
15202 action: CodeAction,
15203 excerpt_id: ExcerptId,
15204 push_to_history: bool,
15205 window: &mut Window,
15206 cx: &mut App,
15207 ) -> Task<Result<ProjectTransaction>>;
15208}
15209
15210impl CodeActionProvider for Entity<Project> {
15211 fn id(&self) -> Arc<str> {
15212 "project".into()
15213 }
15214
15215 fn code_actions(
15216 &self,
15217 buffer: &Entity<Buffer>,
15218 range: Range<text::Anchor>,
15219 _window: &mut Window,
15220 cx: &mut App,
15221 ) -> Task<Result<Vec<CodeAction>>> {
15222 self.update(cx, |project, cx| {
15223 project.code_actions(buffer, range, None, cx)
15224 })
15225 }
15226
15227 fn apply_code_action(
15228 &self,
15229 buffer_handle: Entity<Buffer>,
15230 action: CodeAction,
15231 _excerpt_id: ExcerptId,
15232 push_to_history: bool,
15233 _window: &mut Window,
15234 cx: &mut App,
15235 ) -> Task<Result<ProjectTransaction>> {
15236 self.update(cx, |project, cx| {
15237 project.apply_code_action(buffer_handle, action, push_to_history, cx)
15238 })
15239 }
15240}
15241
15242fn snippet_completions(
15243 project: &Project,
15244 buffer: &Entity<Buffer>,
15245 buffer_position: text::Anchor,
15246 cx: &mut App,
15247) -> Task<Result<Vec<Completion>>> {
15248 let language = buffer.read(cx).language_at(buffer_position);
15249 let language_name = language.as_ref().map(|language| language.lsp_id());
15250 let snippet_store = project.snippets().read(cx);
15251 let snippets = snippet_store.snippets_for(language_name, cx);
15252
15253 if snippets.is_empty() {
15254 return Task::ready(Ok(vec![]));
15255 }
15256 let snapshot = buffer.read(cx).text_snapshot();
15257 let chars: String = snapshot
15258 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
15259 .collect();
15260
15261 let scope = language.map(|language| language.default_scope());
15262 let executor = cx.background_executor().clone();
15263
15264 cx.background_executor().spawn(async move {
15265 let classifier = CharClassifier::new(scope).for_completion(true);
15266 let mut last_word = chars
15267 .chars()
15268 .take_while(|c| classifier.is_word(*c))
15269 .collect::<String>();
15270 last_word = last_word.chars().rev().collect();
15271
15272 if last_word.is_empty() {
15273 return Ok(vec![]);
15274 }
15275
15276 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
15277 let to_lsp = |point: &text::Anchor| {
15278 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
15279 point_to_lsp(end)
15280 };
15281 let lsp_end = to_lsp(&buffer_position);
15282
15283 let candidates = snippets
15284 .iter()
15285 .enumerate()
15286 .flat_map(|(ix, snippet)| {
15287 snippet
15288 .prefix
15289 .iter()
15290 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
15291 })
15292 .collect::<Vec<StringMatchCandidate>>();
15293
15294 let mut matches = fuzzy::match_strings(
15295 &candidates,
15296 &last_word,
15297 last_word.chars().any(|c| c.is_uppercase()),
15298 100,
15299 &Default::default(),
15300 executor,
15301 )
15302 .await;
15303
15304 // Remove all candidates where the query's start does not match the start of any word in the candidate
15305 if let Some(query_start) = last_word.chars().next() {
15306 matches.retain(|string_match| {
15307 split_words(&string_match.string).any(|word| {
15308 // Check that the first codepoint of the word as lowercase matches the first
15309 // codepoint of the query as lowercase
15310 word.chars()
15311 .flat_map(|codepoint| codepoint.to_lowercase())
15312 .zip(query_start.to_lowercase())
15313 .all(|(word_cp, query_cp)| word_cp == query_cp)
15314 })
15315 });
15316 }
15317
15318 let matched_strings = matches
15319 .into_iter()
15320 .map(|m| m.string)
15321 .collect::<HashSet<_>>();
15322
15323 let result: Vec<Completion> = snippets
15324 .into_iter()
15325 .filter_map(|snippet| {
15326 let matching_prefix = snippet
15327 .prefix
15328 .iter()
15329 .find(|prefix| matched_strings.contains(*prefix))?;
15330 let start = as_offset - last_word.len();
15331 let start = snapshot.anchor_before(start);
15332 let range = start..buffer_position;
15333 let lsp_start = to_lsp(&start);
15334 let lsp_range = lsp::Range {
15335 start: lsp_start,
15336 end: lsp_end,
15337 };
15338 Some(Completion {
15339 old_range: range,
15340 new_text: snippet.body.clone(),
15341 resolved: false,
15342 label: CodeLabel {
15343 text: matching_prefix.clone(),
15344 runs: vec![],
15345 filter_range: 0..matching_prefix.len(),
15346 },
15347 server_id: LanguageServerId(usize::MAX),
15348 documentation: snippet
15349 .description
15350 .clone()
15351 .map(CompletionDocumentation::SingleLine),
15352 lsp_completion: lsp::CompletionItem {
15353 label: snippet.prefix.first().unwrap().clone(),
15354 kind: Some(CompletionItemKind::SNIPPET),
15355 label_details: snippet.description.as_ref().map(|description| {
15356 lsp::CompletionItemLabelDetails {
15357 detail: Some(description.clone()),
15358 description: None,
15359 }
15360 }),
15361 insert_text_format: Some(InsertTextFormat::SNIPPET),
15362 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
15363 lsp::InsertReplaceEdit {
15364 new_text: snippet.body.clone(),
15365 insert: lsp_range,
15366 replace: lsp_range,
15367 },
15368 )),
15369 filter_text: Some(snippet.body.clone()),
15370 sort_text: Some(char::MAX.to_string()),
15371 ..Default::default()
15372 },
15373 confirm: None,
15374 })
15375 })
15376 .collect();
15377
15378 Ok(result)
15379 })
15380}
15381
15382impl CompletionProvider for Entity<Project> {
15383 fn completions(
15384 &self,
15385 buffer: &Entity<Buffer>,
15386 buffer_position: text::Anchor,
15387 options: CompletionContext,
15388 _window: &mut Window,
15389 cx: &mut Context<Editor>,
15390 ) -> Task<Result<Vec<Completion>>> {
15391 self.update(cx, |project, cx| {
15392 let snippets = snippet_completions(project, buffer, buffer_position, cx);
15393 let project_completions = project.completions(buffer, buffer_position, options, cx);
15394 cx.background_executor().spawn(async move {
15395 let mut completions = project_completions.await?;
15396 let snippets_completions = snippets.await?;
15397 completions.extend(snippets_completions);
15398 Ok(completions)
15399 })
15400 })
15401 }
15402
15403 fn resolve_completions(
15404 &self,
15405 buffer: Entity<Buffer>,
15406 completion_indices: Vec<usize>,
15407 completions: Rc<RefCell<Box<[Completion]>>>,
15408 cx: &mut Context<Editor>,
15409 ) -> Task<Result<bool>> {
15410 self.update(cx, |project, cx| {
15411 project.lsp_store().update(cx, |lsp_store, cx| {
15412 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
15413 })
15414 })
15415 }
15416
15417 fn apply_additional_edits_for_completion(
15418 &self,
15419 buffer: Entity<Buffer>,
15420 completions: Rc<RefCell<Box<[Completion]>>>,
15421 completion_index: usize,
15422 push_to_history: bool,
15423 cx: &mut Context<Editor>,
15424 ) -> Task<Result<Option<language::Transaction>>> {
15425 self.update(cx, |project, cx| {
15426 project.lsp_store().update(cx, |lsp_store, cx| {
15427 lsp_store.apply_additional_edits_for_completion(
15428 buffer,
15429 completions,
15430 completion_index,
15431 push_to_history,
15432 cx,
15433 )
15434 })
15435 })
15436 }
15437
15438 fn is_completion_trigger(
15439 &self,
15440 buffer: &Entity<Buffer>,
15441 position: language::Anchor,
15442 text: &str,
15443 trigger_in_words: bool,
15444 cx: &mut Context<Editor>,
15445 ) -> bool {
15446 let mut chars = text.chars();
15447 let char = if let Some(char) = chars.next() {
15448 char
15449 } else {
15450 return false;
15451 };
15452 if chars.next().is_some() {
15453 return false;
15454 }
15455
15456 let buffer = buffer.read(cx);
15457 let snapshot = buffer.snapshot();
15458 if !snapshot.settings_at(position, cx).show_completions_on_input {
15459 return false;
15460 }
15461 let classifier = snapshot.char_classifier_at(position).for_completion(true);
15462 if trigger_in_words && classifier.is_word(char) {
15463 return true;
15464 }
15465
15466 buffer.completion_triggers().contains(text)
15467 }
15468}
15469
15470impl SemanticsProvider for Entity<Project> {
15471 fn hover(
15472 &self,
15473 buffer: &Entity<Buffer>,
15474 position: text::Anchor,
15475 cx: &mut App,
15476 ) -> Option<Task<Vec<project::Hover>>> {
15477 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
15478 }
15479
15480 fn document_highlights(
15481 &self,
15482 buffer: &Entity<Buffer>,
15483 position: text::Anchor,
15484 cx: &mut App,
15485 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
15486 Some(self.update(cx, |project, cx| {
15487 project.document_highlights(buffer, position, cx)
15488 }))
15489 }
15490
15491 fn definitions(
15492 &self,
15493 buffer: &Entity<Buffer>,
15494 position: text::Anchor,
15495 kind: GotoDefinitionKind,
15496 cx: &mut App,
15497 ) -> Option<Task<Result<Vec<LocationLink>>>> {
15498 Some(self.update(cx, |project, cx| match kind {
15499 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
15500 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
15501 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
15502 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
15503 }))
15504 }
15505
15506 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
15507 // TODO: make this work for remote projects
15508 self.read(cx)
15509 .language_servers_for_local_buffer(buffer.read(cx), cx)
15510 .any(
15511 |(_, server)| match server.capabilities().inlay_hint_provider {
15512 Some(lsp::OneOf::Left(enabled)) => enabled,
15513 Some(lsp::OneOf::Right(_)) => true,
15514 None => false,
15515 },
15516 )
15517 }
15518
15519 fn inlay_hints(
15520 &self,
15521 buffer_handle: Entity<Buffer>,
15522 range: Range<text::Anchor>,
15523 cx: &mut App,
15524 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
15525 Some(self.update(cx, |project, cx| {
15526 project.inlay_hints(buffer_handle, range, cx)
15527 }))
15528 }
15529
15530 fn resolve_inlay_hint(
15531 &self,
15532 hint: InlayHint,
15533 buffer_handle: Entity<Buffer>,
15534 server_id: LanguageServerId,
15535 cx: &mut App,
15536 ) -> Option<Task<anyhow::Result<InlayHint>>> {
15537 Some(self.update(cx, |project, cx| {
15538 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
15539 }))
15540 }
15541
15542 fn range_for_rename(
15543 &self,
15544 buffer: &Entity<Buffer>,
15545 position: text::Anchor,
15546 cx: &mut App,
15547 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
15548 Some(self.update(cx, |project, cx| {
15549 let buffer = buffer.clone();
15550 let task = project.prepare_rename(buffer.clone(), position, cx);
15551 cx.spawn(|_, mut cx| async move {
15552 Ok(match task.await? {
15553 PrepareRenameResponse::Success(range) => Some(range),
15554 PrepareRenameResponse::InvalidPosition => None,
15555 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
15556 // Fallback on using TreeSitter info to determine identifier range
15557 buffer.update(&mut cx, |buffer, _| {
15558 let snapshot = buffer.snapshot();
15559 let (range, kind) = snapshot.surrounding_word(position);
15560 if kind != Some(CharKind::Word) {
15561 return None;
15562 }
15563 Some(
15564 snapshot.anchor_before(range.start)
15565 ..snapshot.anchor_after(range.end),
15566 )
15567 })?
15568 }
15569 })
15570 })
15571 }))
15572 }
15573
15574 fn perform_rename(
15575 &self,
15576 buffer: &Entity<Buffer>,
15577 position: text::Anchor,
15578 new_name: String,
15579 cx: &mut App,
15580 ) -> Option<Task<Result<ProjectTransaction>>> {
15581 Some(self.update(cx, |project, cx| {
15582 project.perform_rename(buffer.clone(), position, new_name, cx)
15583 }))
15584 }
15585}
15586
15587fn inlay_hint_settings(
15588 location: Anchor,
15589 snapshot: &MultiBufferSnapshot,
15590 cx: &mut Context<Editor>,
15591) -> InlayHintSettings {
15592 let file = snapshot.file_at(location);
15593 let language = snapshot.language_at(location).map(|l| l.name());
15594 language_settings(language, file, cx).inlay_hints
15595}
15596
15597fn consume_contiguous_rows(
15598 contiguous_row_selections: &mut Vec<Selection<Point>>,
15599 selection: &Selection<Point>,
15600 display_map: &DisplaySnapshot,
15601 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
15602) -> (MultiBufferRow, MultiBufferRow) {
15603 contiguous_row_selections.push(selection.clone());
15604 let start_row = MultiBufferRow(selection.start.row);
15605 let mut end_row = ending_row(selection, display_map);
15606
15607 while let Some(next_selection) = selections.peek() {
15608 if next_selection.start.row <= end_row.0 {
15609 end_row = ending_row(next_selection, display_map);
15610 contiguous_row_selections.push(selections.next().unwrap().clone());
15611 } else {
15612 break;
15613 }
15614 }
15615 (start_row, end_row)
15616}
15617
15618fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
15619 if next_selection.end.column > 0 || next_selection.is_empty() {
15620 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
15621 } else {
15622 MultiBufferRow(next_selection.end.row)
15623 }
15624}
15625
15626impl EditorSnapshot {
15627 pub fn remote_selections_in_range<'a>(
15628 &'a self,
15629 range: &'a Range<Anchor>,
15630 collaboration_hub: &dyn CollaborationHub,
15631 cx: &'a App,
15632 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15633 let participant_names = collaboration_hub.user_names(cx);
15634 let participant_indices = collaboration_hub.user_participant_indices(cx);
15635 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15636 let collaborators_by_replica_id = collaborators_by_peer_id
15637 .iter()
15638 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15639 .collect::<HashMap<_, _>>();
15640 self.buffer_snapshot
15641 .selections_in_range(range, false)
15642 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15643 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15644 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15645 let user_name = participant_names.get(&collaborator.user_id).cloned();
15646 Some(RemoteSelection {
15647 replica_id,
15648 selection,
15649 cursor_shape,
15650 line_mode,
15651 participant_index,
15652 peer_id: collaborator.peer_id,
15653 user_name,
15654 })
15655 })
15656 }
15657
15658 pub fn hunks_for_ranges(
15659 &self,
15660 ranges: impl Iterator<Item = Range<Point>>,
15661 ) -> Vec<MultiBufferDiffHunk> {
15662 let mut hunks = Vec::new();
15663 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15664 HashMap::default();
15665 for query_range in ranges {
15666 let query_rows =
15667 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15668 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15669 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15670 ) {
15671 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15672 // when the caret is just above or just below the deleted hunk.
15673 let allow_adjacent = hunk.status().is_removed();
15674 let related_to_selection = if allow_adjacent {
15675 hunk.row_range.overlaps(&query_rows)
15676 || hunk.row_range.start == query_rows.end
15677 || hunk.row_range.end == query_rows.start
15678 } else {
15679 hunk.row_range.overlaps(&query_rows)
15680 };
15681 if related_to_selection {
15682 if !processed_buffer_rows
15683 .entry(hunk.buffer_id)
15684 .or_default()
15685 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15686 {
15687 continue;
15688 }
15689 hunks.push(hunk);
15690 }
15691 }
15692 }
15693
15694 hunks
15695 }
15696
15697 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15698 self.display_snapshot.buffer_snapshot.language_at(position)
15699 }
15700
15701 pub fn is_focused(&self) -> bool {
15702 self.is_focused
15703 }
15704
15705 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15706 self.placeholder_text.as_ref()
15707 }
15708
15709 pub fn scroll_position(&self) -> gpui::Point<f32> {
15710 self.scroll_anchor.scroll_position(&self.display_snapshot)
15711 }
15712
15713 fn gutter_dimensions(
15714 &self,
15715 font_id: FontId,
15716 font_size: Pixels,
15717 max_line_number_width: Pixels,
15718 cx: &App,
15719 ) -> Option<GutterDimensions> {
15720 if !self.show_gutter {
15721 return None;
15722 }
15723
15724 let descent = cx.text_system().descent(font_id, font_size);
15725 let em_width = cx.text_system().em_width(font_id, font_size).log_err()?;
15726 let em_advance = cx.text_system().em_advance(font_id, font_size).log_err()?;
15727
15728 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15729 matches!(
15730 ProjectSettings::get_global(cx).git.git_gutter,
15731 Some(GitGutterSetting::TrackedFiles)
15732 )
15733 });
15734 let gutter_settings = EditorSettings::get_global(cx).gutter;
15735 let show_line_numbers = self
15736 .show_line_numbers
15737 .unwrap_or(gutter_settings.line_numbers);
15738 let line_gutter_width = if show_line_numbers {
15739 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15740 let min_width_for_number_on_gutter = em_advance * 4.0;
15741 max_line_number_width.max(min_width_for_number_on_gutter)
15742 } else {
15743 0.0.into()
15744 };
15745
15746 let show_code_actions = self
15747 .show_code_actions
15748 .unwrap_or(gutter_settings.code_actions);
15749
15750 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15751
15752 let git_blame_entries_width =
15753 self.git_blame_gutter_max_author_length
15754 .map(|max_author_length| {
15755 const MAX_RELATIVE_TIMESTAMP: &str = "60 minutes ago";
15756
15757 /// The number of characters to dedicate to gaps and margins.
15758 const SPACING_WIDTH: usize = 4;
15759
15760 let max_char_count = max_author_length
15761 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15762 + ::git::SHORT_SHA_LENGTH
15763 + MAX_RELATIVE_TIMESTAMP.len()
15764 + SPACING_WIDTH;
15765
15766 em_advance * max_char_count
15767 });
15768
15769 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15770 left_padding += if show_code_actions || show_runnables {
15771 em_width * 3.0
15772 } else if show_git_gutter && show_line_numbers {
15773 em_width * 2.0
15774 } else if show_git_gutter || show_line_numbers {
15775 em_width
15776 } else {
15777 px(0.)
15778 };
15779
15780 let right_padding = if gutter_settings.folds && show_line_numbers {
15781 em_width * 4.0
15782 } else if gutter_settings.folds {
15783 em_width * 3.0
15784 } else if show_line_numbers {
15785 em_width
15786 } else {
15787 px(0.)
15788 };
15789
15790 Some(GutterDimensions {
15791 left_padding,
15792 right_padding,
15793 width: line_gutter_width + left_padding + right_padding,
15794 margin: -descent,
15795 git_blame_entries_width,
15796 })
15797 }
15798
15799 pub fn render_crease_toggle(
15800 &self,
15801 buffer_row: MultiBufferRow,
15802 row_contains_cursor: bool,
15803 editor: Entity<Editor>,
15804 window: &mut Window,
15805 cx: &mut App,
15806 ) -> Option<AnyElement> {
15807 let folded = self.is_line_folded(buffer_row);
15808 let mut is_foldable = false;
15809
15810 if let Some(crease) = self
15811 .crease_snapshot
15812 .query_row(buffer_row, &self.buffer_snapshot)
15813 {
15814 is_foldable = true;
15815 match crease {
15816 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15817 if let Some(render_toggle) = render_toggle {
15818 let toggle_callback =
15819 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15820 if folded {
15821 editor.update(cx, |editor, cx| {
15822 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15823 });
15824 } else {
15825 editor.update(cx, |editor, cx| {
15826 editor.unfold_at(
15827 &crate::UnfoldAt { buffer_row },
15828 window,
15829 cx,
15830 )
15831 });
15832 }
15833 });
15834 return Some((render_toggle)(
15835 buffer_row,
15836 folded,
15837 toggle_callback,
15838 window,
15839 cx,
15840 ));
15841 }
15842 }
15843 }
15844 }
15845
15846 is_foldable |= self.starts_indent(buffer_row);
15847
15848 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15849 Some(
15850 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15851 .toggle_state(folded)
15852 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15853 if folded {
15854 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15855 } else {
15856 this.fold_at(&FoldAt { buffer_row }, window, cx);
15857 }
15858 }))
15859 .into_any_element(),
15860 )
15861 } else {
15862 None
15863 }
15864 }
15865
15866 pub fn render_crease_trailer(
15867 &self,
15868 buffer_row: MultiBufferRow,
15869 window: &mut Window,
15870 cx: &mut App,
15871 ) -> Option<AnyElement> {
15872 let folded = self.is_line_folded(buffer_row);
15873 if let Crease::Inline { render_trailer, .. } = self
15874 .crease_snapshot
15875 .query_row(buffer_row, &self.buffer_snapshot)?
15876 {
15877 let render_trailer = render_trailer.as_ref()?;
15878 Some(render_trailer(buffer_row, folded, window, cx))
15879 } else {
15880 None
15881 }
15882 }
15883}
15884
15885impl Deref for EditorSnapshot {
15886 type Target = DisplaySnapshot;
15887
15888 fn deref(&self) -> &Self::Target {
15889 &self.display_snapshot
15890 }
15891}
15892
15893#[derive(Clone, Debug, PartialEq, Eq)]
15894pub enum EditorEvent {
15895 InputIgnored {
15896 text: Arc<str>,
15897 },
15898 InputHandled {
15899 utf16_range_to_replace: Option<Range<isize>>,
15900 text: Arc<str>,
15901 },
15902 ExcerptsAdded {
15903 buffer: Entity<Buffer>,
15904 predecessor: ExcerptId,
15905 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15906 },
15907 ExcerptsRemoved {
15908 ids: Vec<ExcerptId>,
15909 },
15910 BufferFoldToggled {
15911 ids: Vec<ExcerptId>,
15912 folded: bool,
15913 },
15914 ExcerptsEdited {
15915 ids: Vec<ExcerptId>,
15916 },
15917 ExcerptsExpanded {
15918 ids: Vec<ExcerptId>,
15919 },
15920 BufferEdited,
15921 Edited {
15922 transaction_id: clock::Lamport,
15923 },
15924 Reparsed(BufferId),
15925 Focused,
15926 FocusedIn,
15927 Blurred,
15928 DirtyChanged,
15929 Saved,
15930 TitleChanged,
15931 DiffBaseChanged,
15932 SelectionsChanged {
15933 local: bool,
15934 },
15935 ScrollPositionChanged {
15936 local: bool,
15937 autoscroll: bool,
15938 },
15939 Closed,
15940 TransactionUndone {
15941 transaction_id: clock::Lamport,
15942 },
15943 TransactionBegun {
15944 transaction_id: clock::Lamport,
15945 },
15946 Reloaded,
15947 CursorShapeChanged,
15948}
15949
15950impl EventEmitter<EditorEvent> for Editor {}
15951
15952impl Focusable for Editor {
15953 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15954 self.focus_handle.clone()
15955 }
15956}
15957
15958impl Render for Editor {
15959 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15960 let settings = ThemeSettings::get_global(cx);
15961
15962 let mut text_style = match self.mode {
15963 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15964 color: cx.theme().colors().editor_foreground,
15965 font_family: settings.ui_font.family.clone(),
15966 font_features: settings.ui_font.features.clone(),
15967 font_fallbacks: settings.ui_font.fallbacks.clone(),
15968 font_size: rems(0.875).into(),
15969 font_weight: settings.ui_font.weight,
15970 line_height: relative(settings.buffer_line_height.value()),
15971 ..Default::default()
15972 },
15973 EditorMode::Full => TextStyle {
15974 color: cx.theme().colors().editor_foreground,
15975 font_family: settings.buffer_font.family.clone(),
15976 font_features: settings.buffer_font.features.clone(),
15977 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15978 font_size: settings.buffer_font_size().into(),
15979 font_weight: settings.buffer_font.weight,
15980 line_height: relative(settings.buffer_line_height.value()),
15981 ..Default::default()
15982 },
15983 };
15984 if let Some(text_style_refinement) = &self.text_style_refinement {
15985 text_style.refine(text_style_refinement)
15986 }
15987
15988 let background = match self.mode {
15989 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15990 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15991 EditorMode::Full => cx.theme().colors().editor_background,
15992 };
15993
15994 EditorElement::new(
15995 &cx.entity(),
15996 EditorStyle {
15997 background,
15998 local_player: cx.theme().players().local(),
15999 text: text_style,
16000 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
16001 syntax: cx.theme().syntax().clone(),
16002 status: cx.theme().status().clone(),
16003 inlay_hints_style: make_inlay_hints_style(cx),
16004 inline_completion_styles: make_suggestion_styles(cx),
16005 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
16006 },
16007 )
16008 }
16009}
16010
16011impl EntityInputHandler for Editor {
16012 fn text_for_range(
16013 &mut self,
16014 range_utf16: Range<usize>,
16015 adjusted_range: &mut Option<Range<usize>>,
16016 _: &mut Window,
16017 cx: &mut Context<Self>,
16018 ) -> Option<String> {
16019 let snapshot = self.buffer.read(cx).read(cx);
16020 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
16021 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
16022 if (start.0..end.0) != range_utf16 {
16023 adjusted_range.replace(start.0..end.0);
16024 }
16025 Some(snapshot.text_for_range(start..end).collect())
16026 }
16027
16028 fn selected_text_range(
16029 &mut self,
16030 ignore_disabled_input: bool,
16031 _: &mut Window,
16032 cx: &mut Context<Self>,
16033 ) -> Option<UTF16Selection> {
16034 // Prevent the IME menu from appearing when holding down an alphabetic key
16035 // while input is disabled.
16036 if !ignore_disabled_input && !self.input_enabled {
16037 return None;
16038 }
16039
16040 let selection = self.selections.newest::<OffsetUtf16>(cx);
16041 let range = selection.range();
16042
16043 Some(UTF16Selection {
16044 range: range.start.0..range.end.0,
16045 reversed: selection.reversed,
16046 })
16047 }
16048
16049 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
16050 let snapshot = self.buffer.read(cx).read(cx);
16051 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
16052 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
16053 }
16054
16055 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
16056 self.clear_highlights::<InputComposition>(cx);
16057 self.ime_transaction.take();
16058 }
16059
16060 fn replace_text_in_range(
16061 &mut self,
16062 range_utf16: Option<Range<usize>>,
16063 text: &str,
16064 window: &mut Window,
16065 cx: &mut Context<Self>,
16066 ) {
16067 if !self.input_enabled {
16068 cx.emit(EditorEvent::InputIgnored { text: text.into() });
16069 return;
16070 }
16071
16072 self.transact(window, cx, |this, window, cx| {
16073 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
16074 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16075 Some(this.selection_replacement_ranges(range_utf16, cx))
16076 } else {
16077 this.marked_text_ranges(cx)
16078 };
16079
16080 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
16081 let newest_selection_id = this.selections.newest_anchor().id;
16082 this.selections
16083 .all::<OffsetUtf16>(cx)
16084 .iter()
16085 .zip(ranges_to_replace.iter())
16086 .find_map(|(selection, range)| {
16087 if selection.id == newest_selection_id {
16088 Some(
16089 (range.start.0 as isize - selection.head().0 as isize)
16090 ..(range.end.0 as isize - selection.head().0 as isize),
16091 )
16092 } else {
16093 None
16094 }
16095 })
16096 });
16097
16098 cx.emit(EditorEvent::InputHandled {
16099 utf16_range_to_replace: range_to_replace,
16100 text: text.into(),
16101 });
16102
16103 if let Some(new_selected_ranges) = new_selected_ranges {
16104 this.change_selections(None, window, cx, |selections| {
16105 selections.select_ranges(new_selected_ranges)
16106 });
16107 this.backspace(&Default::default(), window, cx);
16108 }
16109
16110 this.handle_input(text, window, cx);
16111 });
16112
16113 if let Some(transaction) = self.ime_transaction {
16114 self.buffer.update(cx, |buffer, cx| {
16115 buffer.group_until_transaction(transaction, cx);
16116 });
16117 }
16118
16119 self.unmark_text(window, cx);
16120 }
16121
16122 fn replace_and_mark_text_in_range(
16123 &mut self,
16124 range_utf16: Option<Range<usize>>,
16125 text: &str,
16126 new_selected_range_utf16: Option<Range<usize>>,
16127 window: &mut Window,
16128 cx: &mut Context<Self>,
16129 ) {
16130 if !self.input_enabled {
16131 return;
16132 }
16133
16134 let transaction = self.transact(window, cx, |this, window, cx| {
16135 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
16136 let snapshot = this.buffer.read(cx).read(cx);
16137 if let Some(relative_range_utf16) = range_utf16.as_ref() {
16138 for marked_range in &mut marked_ranges {
16139 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
16140 marked_range.start.0 += relative_range_utf16.start;
16141 marked_range.start =
16142 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
16143 marked_range.end =
16144 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
16145 }
16146 }
16147 Some(marked_ranges)
16148 } else if let Some(range_utf16) = range_utf16 {
16149 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
16150 Some(this.selection_replacement_ranges(range_utf16, cx))
16151 } else {
16152 None
16153 };
16154
16155 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
16156 let newest_selection_id = this.selections.newest_anchor().id;
16157 this.selections
16158 .all::<OffsetUtf16>(cx)
16159 .iter()
16160 .zip(ranges_to_replace.iter())
16161 .find_map(|(selection, range)| {
16162 if selection.id == newest_selection_id {
16163 Some(
16164 (range.start.0 as isize - selection.head().0 as isize)
16165 ..(range.end.0 as isize - selection.head().0 as isize),
16166 )
16167 } else {
16168 None
16169 }
16170 })
16171 });
16172
16173 cx.emit(EditorEvent::InputHandled {
16174 utf16_range_to_replace: range_to_replace,
16175 text: text.into(),
16176 });
16177
16178 if let Some(ranges) = ranges_to_replace {
16179 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
16180 }
16181
16182 let marked_ranges = {
16183 let snapshot = this.buffer.read(cx).read(cx);
16184 this.selections
16185 .disjoint_anchors()
16186 .iter()
16187 .map(|selection| {
16188 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
16189 })
16190 .collect::<Vec<_>>()
16191 };
16192
16193 if text.is_empty() {
16194 this.unmark_text(window, cx);
16195 } else {
16196 this.highlight_text::<InputComposition>(
16197 marked_ranges.clone(),
16198 HighlightStyle {
16199 underline: Some(UnderlineStyle {
16200 thickness: px(1.),
16201 color: None,
16202 wavy: false,
16203 }),
16204 ..Default::default()
16205 },
16206 cx,
16207 );
16208 }
16209
16210 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
16211 let use_autoclose = this.use_autoclose;
16212 let use_auto_surround = this.use_auto_surround;
16213 this.set_use_autoclose(false);
16214 this.set_use_auto_surround(false);
16215 this.handle_input(text, window, cx);
16216 this.set_use_autoclose(use_autoclose);
16217 this.set_use_auto_surround(use_auto_surround);
16218
16219 if let Some(new_selected_range) = new_selected_range_utf16 {
16220 let snapshot = this.buffer.read(cx).read(cx);
16221 let new_selected_ranges = marked_ranges
16222 .into_iter()
16223 .map(|marked_range| {
16224 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
16225 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
16226 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
16227 snapshot.clip_offset_utf16(new_start, Bias::Left)
16228 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
16229 })
16230 .collect::<Vec<_>>();
16231
16232 drop(snapshot);
16233 this.change_selections(None, window, cx, |selections| {
16234 selections.select_ranges(new_selected_ranges)
16235 });
16236 }
16237 });
16238
16239 self.ime_transaction = self.ime_transaction.or(transaction);
16240 if let Some(transaction) = self.ime_transaction {
16241 self.buffer.update(cx, |buffer, cx| {
16242 buffer.group_until_transaction(transaction, cx);
16243 });
16244 }
16245
16246 if self.text_highlights::<InputComposition>(cx).is_none() {
16247 self.ime_transaction.take();
16248 }
16249 }
16250
16251 fn bounds_for_range(
16252 &mut self,
16253 range_utf16: Range<usize>,
16254 element_bounds: gpui::Bounds<Pixels>,
16255 window: &mut Window,
16256 cx: &mut Context<Self>,
16257 ) -> Option<gpui::Bounds<Pixels>> {
16258 let text_layout_details = self.text_layout_details(window);
16259 let gpui::Size {
16260 width: em_width,
16261 height: line_height,
16262 } = self.character_size(window);
16263
16264 let snapshot = self.snapshot(window, cx);
16265 let scroll_position = snapshot.scroll_position();
16266 let scroll_left = scroll_position.x * em_width;
16267
16268 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
16269 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
16270 + self.gutter_dimensions.width
16271 + self.gutter_dimensions.margin;
16272 let y = line_height * (start.row().as_f32() - scroll_position.y);
16273
16274 Some(Bounds {
16275 origin: element_bounds.origin + point(x, y),
16276 size: size(em_width, line_height),
16277 })
16278 }
16279
16280 fn character_index_for_point(
16281 &mut self,
16282 point: gpui::Point<Pixels>,
16283 _window: &mut Window,
16284 _cx: &mut Context<Self>,
16285 ) -> Option<usize> {
16286 let position_map = self.last_position_map.as_ref()?;
16287 if !position_map.text_hitbox.contains(&point) {
16288 return None;
16289 }
16290 let display_point = position_map.point_for_position(point).previous_valid;
16291 let anchor = position_map
16292 .snapshot
16293 .display_point_to_anchor(display_point, Bias::Left);
16294 let utf16_offset = anchor.to_offset_utf16(&position_map.snapshot.buffer_snapshot);
16295 Some(utf16_offset.0)
16296 }
16297}
16298
16299trait SelectionExt {
16300 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
16301 fn spanned_rows(
16302 &self,
16303 include_end_if_at_line_start: bool,
16304 map: &DisplaySnapshot,
16305 ) -> Range<MultiBufferRow>;
16306}
16307
16308impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
16309 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
16310 let start = self
16311 .start
16312 .to_point(&map.buffer_snapshot)
16313 .to_display_point(map);
16314 let end = self
16315 .end
16316 .to_point(&map.buffer_snapshot)
16317 .to_display_point(map);
16318 if self.reversed {
16319 end..start
16320 } else {
16321 start..end
16322 }
16323 }
16324
16325 fn spanned_rows(
16326 &self,
16327 include_end_if_at_line_start: bool,
16328 map: &DisplaySnapshot,
16329 ) -> Range<MultiBufferRow> {
16330 let start = self.start.to_point(&map.buffer_snapshot);
16331 let mut end = self.end.to_point(&map.buffer_snapshot);
16332 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
16333 end.row -= 1;
16334 }
16335
16336 let buffer_start = map.prev_line_boundary(start).0;
16337 let buffer_end = map.next_line_boundary(end).0;
16338 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
16339 }
16340}
16341
16342impl<T: InvalidationRegion> InvalidationStack<T> {
16343 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
16344 where
16345 S: Clone + ToOffset,
16346 {
16347 while let Some(region) = self.last() {
16348 let all_selections_inside_invalidation_ranges =
16349 if selections.len() == region.ranges().len() {
16350 selections
16351 .iter()
16352 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
16353 .all(|(selection, invalidation_range)| {
16354 let head = selection.head().to_offset(buffer);
16355 invalidation_range.start <= head && invalidation_range.end >= head
16356 })
16357 } else {
16358 false
16359 };
16360
16361 if all_selections_inside_invalidation_ranges {
16362 break;
16363 } else {
16364 self.pop();
16365 }
16366 }
16367 }
16368}
16369
16370impl<T> Default for InvalidationStack<T> {
16371 fn default() -> Self {
16372 Self(Default::default())
16373 }
16374}
16375
16376impl<T> Deref for InvalidationStack<T> {
16377 type Target = Vec<T>;
16378
16379 fn deref(&self) -> &Self::Target {
16380 &self.0
16381 }
16382}
16383
16384impl<T> DerefMut for InvalidationStack<T> {
16385 fn deref_mut(&mut self) -> &mut Self::Target {
16386 &mut self.0
16387 }
16388}
16389
16390impl InvalidationRegion for SnippetState {
16391 fn ranges(&self) -> &[Range<Anchor>] {
16392 &self.ranges[self.active_index]
16393 }
16394}
16395
16396pub fn diagnostic_block_renderer(
16397 diagnostic: Diagnostic,
16398 max_message_rows: Option<u8>,
16399 allow_closing: bool,
16400 _is_valid: bool,
16401) -> RenderBlock {
16402 let (text_without_backticks, code_ranges) =
16403 highlight_diagnostic_message(&diagnostic, max_message_rows);
16404
16405 Arc::new(move |cx: &mut BlockContext| {
16406 let group_id: SharedString = cx.block_id.to_string().into();
16407
16408 let mut text_style = cx.window.text_style().clone();
16409 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
16410 let theme_settings = ThemeSettings::get_global(cx);
16411 text_style.font_family = theme_settings.buffer_font.family.clone();
16412 text_style.font_style = theme_settings.buffer_font.style;
16413 text_style.font_features = theme_settings.buffer_font.features.clone();
16414 text_style.font_weight = theme_settings.buffer_font.weight;
16415
16416 let multi_line_diagnostic = diagnostic.message.contains('\n');
16417
16418 let buttons = |diagnostic: &Diagnostic| {
16419 if multi_line_diagnostic {
16420 v_flex()
16421 } else {
16422 h_flex()
16423 }
16424 .when(allow_closing, |div| {
16425 div.children(diagnostic.is_primary.then(|| {
16426 IconButton::new("close-block", IconName::XCircle)
16427 .icon_color(Color::Muted)
16428 .size(ButtonSize::Compact)
16429 .style(ButtonStyle::Transparent)
16430 .visible_on_hover(group_id.clone())
16431 .on_click(move |_click, window, cx| {
16432 window.dispatch_action(Box::new(Cancel), cx)
16433 })
16434 .tooltip(|window, cx| {
16435 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
16436 })
16437 }))
16438 })
16439 .child(
16440 IconButton::new("copy-block", IconName::Copy)
16441 .icon_color(Color::Muted)
16442 .size(ButtonSize::Compact)
16443 .style(ButtonStyle::Transparent)
16444 .visible_on_hover(group_id.clone())
16445 .on_click({
16446 let message = diagnostic.message.clone();
16447 move |_click, _, cx| {
16448 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
16449 }
16450 })
16451 .tooltip(Tooltip::text("Copy diagnostic message")),
16452 )
16453 };
16454
16455 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
16456 AvailableSpace::min_size(),
16457 cx.window,
16458 cx.app,
16459 );
16460
16461 h_flex()
16462 .id(cx.block_id)
16463 .group(group_id.clone())
16464 .relative()
16465 .size_full()
16466 .block_mouse_down()
16467 .pl(cx.gutter_dimensions.width)
16468 .w(cx.max_width - cx.gutter_dimensions.full_width())
16469 .child(
16470 div()
16471 .flex()
16472 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
16473 .flex_shrink(),
16474 )
16475 .child(buttons(&diagnostic))
16476 .child(div().flex().flex_shrink_0().child(
16477 StyledText::new(text_without_backticks.clone()).with_highlights(
16478 &text_style,
16479 code_ranges.iter().map(|range| {
16480 (
16481 range.clone(),
16482 HighlightStyle {
16483 font_weight: Some(FontWeight::BOLD),
16484 ..Default::default()
16485 },
16486 )
16487 }),
16488 ),
16489 ))
16490 .into_any_element()
16491 })
16492}
16493
16494fn inline_completion_edit_text(
16495 current_snapshot: &BufferSnapshot,
16496 edits: &[(Range<Anchor>, String)],
16497 edit_preview: &EditPreview,
16498 include_deletions: bool,
16499 cx: &App,
16500) -> HighlightedText {
16501 let edits = edits
16502 .iter()
16503 .map(|(anchor, text)| {
16504 (
16505 anchor.start.text_anchor..anchor.end.text_anchor,
16506 text.clone(),
16507 )
16508 })
16509 .collect::<Vec<_>>();
16510
16511 edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx)
16512}
16513
16514pub fn highlight_diagnostic_message(
16515 diagnostic: &Diagnostic,
16516 mut max_message_rows: Option<u8>,
16517) -> (SharedString, Vec<Range<usize>>) {
16518 let mut text_without_backticks = String::new();
16519 let mut code_ranges = Vec::new();
16520
16521 if let Some(source) = &diagnostic.source {
16522 text_without_backticks.push_str(source);
16523 code_ranges.push(0..source.len());
16524 text_without_backticks.push_str(": ");
16525 }
16526
16527 let mut prev_offset = 0;
16528 let mut in_code_block = false;
16529 let has_row_limit = max_message_rows.is_some();
16530 let mut newline_indices = diagnostic
16531 .message
16532 .match_indices('\n')
16533 .filter(|_| has_row_limit)
16534 .map(|(ix, _)| ix)
16535 .fuse()
16536 .peekable();
16537
16538 for (quote_ix, _) in diagnostic
16539 .message
16540 .match_indices('`')
16541 .chain([(diagnostic.message.len(), "")])
16542 {
16543 let mut first_newline_ix = None;
16544 let mut last_newline_ix = None;
16545 while let Some(newline_ix) = newline_indices.peek() {
16546 if *newline_ix < quote_ix {
16547 if first_newline_ix.is_none() {
16548 first_newline_ix = Some(*newline_ix);
16549 }
16550 last_newline_ix = Some(*newline_ix);
16551
16552 if let Some(rows_left) = &mut max_message_rows {
16553 if *rows_left == 0 {
16554 break;
16555 } else {
16556 *rows_left -= 1;
16557 }
16558 }
16559 let _ = newline_indices.next();
16560 } else {
16561 break;
16562 }
16563 }
16564 let prev_len = text_without_backticks.len();
16565 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
16566 text_without_backticks.push_str(new_text);
16567 if in_code_block {
16568 code_ranges.push(prev_len..text_without_backticks.len());
16569 }
16570 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
16571 in_code_block = !in_code_block;
16572 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
16573 text_without_backticks.push_str("...");
16574 break;
16575 }
16576 }
16577
16578 (text_without_backticks.into(), code_ranges)
16579}
16580
16581fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
16582 match severity {
16583 DiagnosticSeverity::ERROR => colors.error,
16584 DiagnosticSeverity::WARNING => colors.warning,
16585 DiagnosticSeverity::INFORMATION => colors.info,
16586 DiagnosticSeverity::HINT => colors.info,
16587 _ => colors.ignored,
16588 }
16589}
16590
16591pub fn styled_runs_for_code_label<'a>(
16592 label: &'a CodeLabel,
16593 syntax_theme: &'a theme::SyntaxTheme,
16594) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
16595 let fade_out = HighlightStyle {
16596 fade_out: Some(0.35),
16597 ..Default::default()
16598 };
16599
16600 let mut prev_end = label.filter_range.end;
16601 label
16602 .runs
16603 .iter()
16604 .enumerate()
16605 .flat_map(move |(ix, (range, highlight_id))| {
16606 let style = if let Some(style) = highlight_id.style(syntax_theme) {
16607 style
16608 } else {
16609 return Default::default();
16610 };
16611 let mut muted_style = style;
16612 muted_style.highlight(fade_out);
16613
16614 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
16615 if range.start >= label.filter_range.end {
16616 if range.start > prev_end {
16617 runs.push((prev_end..range.start, fade_out));
16618 }
16619 runs.push((range.clone(), muted_style));
16620 } else if range.end <= label.filter_range.end {
16621 runs.push((range.clone(), style));
16622 } else {
16623 runs.push((range.start..label.filter_range.end, style));
16624 runs.push((label.filter_range.end..range.end, muted_style));
16625 }
16626 prev_end = cmp::max(prev_end, range.end);
16627
16628 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
16629 runs.push((prev_end..label.text.len(), fade_out));
16630 }
16631
16632 runs
16633 })
16634}
16635
16636pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16637 let mut prev_index = 0;
16638 let mut prev_codepoint: Option<char> = None;
16639 text.char_indices()
16640 .chain([(text.len(), '\0')])
16641 .filter_map(move |(index, codepoint)| {
16642 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16643 let is_boundary = index == text.len()
16644 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16645 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16646 if is_boundary {
16647 let chunk = &text[prev_index..index];
16648 prev_index = index;
16649 Some(chunk)
16650 } else {
16651 None
16652 }
16653 })
16654}
16655
16656pub trait RangeToAnchorExt: Sized {
16657 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16658
16659 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16660 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16661 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16662 }
16663}
16664
16665impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16666 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16667 let start_offset = self.start.to_offset(snapshot);
16668 let end_offset = self.end.to_offset(snapshot);
16669 if start_offset == end_offset {
16670 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16671 } else {
16672 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16673 }
16674 }
16675}
16676
16677pub trait RowExt {
16678 fn as_f32(&self) -> f32;
16679
16680 fn next_row(&self) -> Self;
16681
16682 fn previous_row(&self) -> Self;
16683
16684 fn minus(&self, other: Self) -> u32;
16685}
16686
16687impl RowExt for DisplayRow {
16688 fn as_f32(&self) -> f32 {
16689 self.0 as f32
16690 }
16691
16692 fn next_row(&self) -> Self {
16693 Self(self.0 + 1)
16694 }
16695
16696 fn previous_row(&self) -> Self {
16697 Self(self.0.saturating_sub(1))
16698 }
16699
16700 fn minus(&self, other: Self) -> u32 {
16701 self.0 - other.0
16702 }
16703}
16704
16705impl RowExt for MultiBufferRow {
16706 fn as_f32(&self) -> f32 {
16707 self.0 as f32
16708 }
16709
16710 fn next_row(&self) -> Self {
16711 Self(self.0 + 1)
16712 }
16713
16714 fn previous_row(&self) -> Self {
16715 Self(self.0.saturating_sub(1))
16716 }
16717
16718 fn minus(&self, other: Self) -> u32 {
16719 self.0 - other.0
16720 }
16721}
16722
16723trait RowRangeExt {
16724 type Row;
16725
16726 fn len(&self) -> usize;
16727
16728 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16729}
16730
16731impl RowRangeExt for Range<MultiBufferRow> {
16732 type Row = MultiBufferRow;
16733
16734 fn len(&self) -> usize {
16735 (self.end.0 - self.start.0) as usize
16736 }
16737
16738 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16739 (self.start.0..self.end.0).map(MultiBufferRow)
16740 }
16741}
16742
16743impl RowRangeExt for Range<DisplayRow> {
16744 type Row = DisplayRow;
16745
16746 fn len(&self) -> usize {
16747 (self.end.0 - self.start.0) as usize
16748 }
16749
16750 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16751 (self.start.0..self.end.0).map(DisplayRow)
16752 }
16753}
16754
16755/// If select range has more than one line, we
16756/// just point the cursor to range.start.
16757fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16758 if range.start.row == range.end.row {
16759 range
16760 } else {
16761 range.start..range.start
16762 }
16763}
16764pub struct KillRing(ClipboardItem);
16765impl Global for KillRing {}
16766
16767const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16768
16769fn all_edits_insertions_or_deletions(
16770 edits: &Vec<(Range<Anchor>, String)>,
16771 snapshot: &MultiBufferSnapshot,
16772) -> bool {
16773 let mut all_insertions = true;
16774 let mut all_deletions = true;
16775
16776 for (range, new_text) in edits.iter() {
16777 let range_is_empty = range.to_offset(&snapshot).is_empty();
16778 let text_is_empty = new_text.is_empty();
16779
16780 if range_is_empty != text_is_empty {
16781 if range_is_empty {
16782 all_deletions = false;
16783 } else {
16784 all_insertions = false;
16785 }
16786 } else {
16787 return false;
16788 }
16789
16790 if !all_insertions && !all_deletions {
16791 return false;
16792 }
16793 }
16794 all_insertions || all_deletions
16795}