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 diff::DiffHunkStatus;
77use git::blame::GitBlame;
78use gpui::{
79 div, impl_actions, linear_color_stop, linear_gradient, point, prelude::*, pulsating_between,
80 px, relative, size, Action, Animation, AnimationExt, AnyElement, App, AsyncWindowContext,
81 AvailableSpace, Bounds, ClipboardEntry, ClipboardItem, Context, DispatchPhase, ElementId,
82 Entity, EntityInputHandler, EventEmitter, FocusHandle, FocusOutEvent, Focusable, FontId,
83 FontWeight, Global, HighlightStyle, Hsla, InteractiveText, KeyContext, Modifiers, MouseButton,
84 MouseDownEvent, PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled,
85 StyledText, Subscription, Task, TextRun, TextStyle, TextStyleRefinement, UTF16Selection,
86 UnderlineStyle, UniformListScrollHandle, WeakEntity, WeakFocusHandle, Window,
87};
88use highlight_matching_bracket::refresh_matching_bracket_highlights;
89use hover_popover::{hide_hover, HoverState};
90use indent_guides::ActiveIndentGuidesState;
91use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
92pub use inline_completion::Direction;
93use inline_completion::{EditPredictionProvider, InlineCompletionProviderHandle};
94pub use items::MAX_TAB_TITLE_LEN;
95use itertools::Itertools;
96use language::{
97 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
98 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
99 CompletionDocumentation, CursorShape, Diagnostic, EditPreview, HighlightedText, IndentKind,
100 IndentSize, InlineCompletionPreviewMode, Language, OffsetRangeExt, Point, Selection,
101 SelectionGoal, TextObject, TransactionId, TreeSitterOptions,
102};
103use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
104use linked_editing_ranges::refresh_linked_ranges;
105use mouse_context_menu::MouseContextMenu;
106pub use proposed_changes_editor::{
107 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
108};
109use similar::{ChangeTag, TextDiff};
110use std::iter::Peekable;
111use task::{ResolvedTask, TaskTemplate, TaskVariables};
112
113use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
114pub use lsp::CompletionContext;
115use lsp::{
116 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
117 LanguageServerId, LanguageServerName,
118};
119
120use language::BufferSnapshot;
121use movement::TextLayoutDetails;
122pub use multi_buffer::{
123 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
124 ToOffset, ToPoint,
125};
126use multi_buffer::{
127 ExcerptInfo, ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow,
128 ToOffsetUtf16,
129};
130use project::{
131 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
132 project_settings::{GitGutterSetting, ProjectSettings},
133 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
134 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
135};
136use rand::prelude::*;
137use rpc::{proto::*, ErrorExt};
138use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
139use selections_collection::{
140 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
141};
142use serde::{Deserialize, Serialize};
143use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
144use smallvec::SmallVec;
145use snippet::Snippet;
146use std::{
147 any::TypeId,
148 borrow::Cow,
149 cell::RefCell,
150 cmp::{self, Ordering, Reverse},
151 mem,
152 num::NonZeroU32,
153 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
154 path::{Path, PathBuf},
155 rc::Rc,
156 sync::Arc,
157 time::{Duration, Instant},
158};
159pub use sum_tree::Bias;
160use sum_tree::TreeMap;
161use text::{BufferId, OffsetUtf16, Rope};
162use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
163use ui::{
164 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
165 Tooltip,
166};
167use util::{defer, maybe, post_inc, RangeExt, ResultExt, TakeUntilExt, TryFutureExt};
168use workspace::item::{ItemHandle, PreviewTabsSettings};
169use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
170use workspace::{
171 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
172};
173use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
174
175use crate::hover_links::{find_url, find_url_from_range};
176use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
177
178pub const FILE_HEADER_HEIGHT: u32 = 2;
179pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
180pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
181pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
182const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
183const MAX_LINE_LEN: usize = 1024;
184const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
185const MAX_SELECTION_HISTORY_LEN: usize = 1024;
186pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
187#[doc(hidden)]
188pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
189
190pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
191pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
192
193pub(crate) const EDIT_PREDICTION_KEY_CONTEXT: &str = "edit_prediction";
194pub(crate) const EDIT_PREDICTION_REQUIRES_MODIFIER_KEY_CONTEXT: &str =
195 "edit_prediction_requires_modifier";
196
197pub fn render_parsed_markdown(
198 element_id: impl Into<ElementId>,
199 parsed: &language::ParsedMarkdown,
200 editor_style: &EditorStyle,
201 workspace: Option<WeakEntity<Workspace>>,
202 cx: &mut App,
203) -> InteractiveText {
204 let code_span_background_color = cx
205 .theme()
206 .colors()
207 .editor_document_highlight_read_background;
208
209 let highlights = gpui::combine_highlights(
210 parsed.highlights.iter().filter_map(|(range, highlight)| {
211 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
212 Some((range.clone(), highlight))
213 }),
214 parsed
215 .regions
216 .iter()
217 .zip(&parsed.region_ranges)
218 .filter_map(|(region, range)| {
219 if region.code {
220 Some((
221 range.clone(),
222 HighlightStyle {
223 background_color: Some(code_span_background_color),
224 ..Default::default()
225 },
226 ))
227 } else {
228 None
229 }
230 }),
231 );
232
233 let mut links = Vec::new();
234 let mut link_ranges = Vec::new();
235 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
236 if let Some(link) = region.link.clone() {
237 links.push(link);
238 link_ranges.push(range.clone());
239 }
240 }
241
242 InteractiveText::new(
243 element_id,
244 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
245 )
246 .on_click(
247 link_ranges,
248 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
249 markdown::Link::Web { url } => cx.open_url(url),
250 markdown::Link::Path { path } => {
251 if let Some(workspace) = &workspace {
252 _ = workspace.update(cx, |workspace, cx| {
253 workspace
254 .open_abs_path(path.clone(), false, window, cx)
255 .detach();
256 });
257 }
258 }
259 },
260 )
261}
262
263#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
264pub enum InlayId {
265 InlineCompletion(usize),
266 Hint(usize),
267}
268
269impl InlayId {
270 fn id(&self) -> usize {
271 match self {
272 Self::InlineCompletion(id) => *id,
273 Self::Hint(id) => *id,
274 }
275 }
276}
277
278enum DocumentHighlightRead {}
279enum DocumentHighlightWrite {}
280enum InputComposition {}
281
282#[derive(Debug, Copy, Clone, PartialEq, Eq)]
283pub enum Navigated {
284 Yes,
285 No,
286}
287
288impl Navigated {
289 pub fn from_bool(yes: bool) -> Navigated {
290 if yes {
291 Navigated::Yes
292 } else {
293 Navigated::No
294 }
295 }
296}
297
298pub fn init_settings(cx: &mut App) {
299 EditorSettings::register(cx);
300}
301
302pub fn init(cx: &mut App) {
303 init_settings(cx);
304
305 workspace::register_project_item::<Editor>(cx);
306 workspace::FollowableViewRegistry::register::<Editor>(cx);
307 workspace::register_serializable_item::<Editor>(cx);
308
309 cx.observe_new(
310 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
311 workspace.register_action(Editor::new_file);
312 workspace.register_action(Editor::new_file_vertical);
313 workspace.register_action(Editor::new_file_horizontal);
314 workspace.register_action(Editor::cancel_language_server_work);
315 },
316 )
317 .detach();
318
319 cx.on_action(move |_: &workspace::NewFile, cx| {
320 let app_state = workspace::AppState::global(cx);
321 if let Some(app_state) = app_state.upgrade() {
322 workspace::open_new(
323 Default::default(),
324 app_state,
325 cx,
326 |workspace, window, cx| {
327 Editor::new_file(workspace, &Default::default(), window, cx)
328 },
329 )
330 .detach();
331 }
332 });
333 cx.on_action(move |_: &workspace::NewWindow, cx| {
334 let app_state = workspace::AppState::global(cx);
335 if let Some(app_state) = app_state.upgrade() {
336 workspace::open_new(
337 Default::default(),
338 app_state,
339 cx,
340 |workspace, window, cx| {
341 cx.activate(true);
342 Editor::new_file(workspace, &Default::default(), window, cx)
343 },
344 )
345 .detach();
346 }
347 });
348}
349
350pub struct SearchWithinRange;
351
352trait InvalidationRegion {
353 fn ranges(&self) -> &[Range<Anchor>];
354}
355
356#[derive(Clone, Debug, PartialEq)]
357pub enum SelectPhase {
358 Begin {
359 position: DisplayPoint,
360 add: bool,
361 click_count: usize,
362 },
363 BeginColumnar {
364 position: DisplayPoint,
365 reset: bool,
366 goal_column: u32,
367 },
368 Extend {
369 position: DisplayPoint,
370 click_count: usize,
371 },
372 Update {
373 position: DisplayPoint,
374 goal_column: u32,
375 scroll_delta: gpui::Point<f32>,
376 },
377 End,
378}
379
380#[derive(Clone, Debug)]
381pub enum SelectMode {
382 Character,
383 Word(Range<Anchor>),
384 Line(Range<Anchor>),
385 All,
386}
387
388#[derive(Copy, Clone, PartialEq, Eq, Debug)]
389pub enum EditorMode {
390 SingleLine { auto_width: bool },
391 AutoHeight { max_lines: usize },
392 Full,
393}
394
395#[derive(Copy, Clone, Debug)]
396pub enum SoftWrap {
397 /// Prefer not to wrap at all.
398 ///
399 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
400 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
401 GitDiff,
402 /// Prefer a single line generally, unless an overly long line is encountered.
403 None,
404 /// Soft wrap lines that exceed the editor width.
405 EditorWidth,
406 /// Soft wrap lines at the preferred line length.
407 Column(u32),
408 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
409 Bounded(u32),
410}
411
412#[derive(Clone)]
413pub struct EditorStyle {
414 pub background: Hsla,
415 pub local_player: PlayerColor,
416 pub text: TextStyle,
417 pub scrollbar_width: Pixels,
418 pub syntax: Arc<SyntaxTheme>,
419 pub status: StatusColors,
420 pub inlay_hints_style: HighlightStyle,
421 pub inline_completion_styles: InlineCompletionStyles,
422 pub unnecessary_code_fade: f32,
423}
424
425impl Default for EditorStyle {
426 fn default() -> Self {
427 Self {
428 background: Hsla::default(),
429 local_player: PlayerColor::default(),
430 text: TextStyle::default(),
431 scrollbar_width: Pixels::default(),
432 syntax: Default::default(),
433 // HACK: Status colors don't have a real default.
434 // We should look into removing the status colors from the editor
435 // style and retrieve them directly from the theme.
436 status: StatusColors::dark(),
437 inlay_hints_style: HighlightStyle::default(),
438 inline_completion_styles: InlineCompletionStyles {
439 insertion: HighlightStyle::default(),
440 whitespace: HighlightStyle::default(),
441 },
442 unnecessary_code_fade: Default::default(),
443 }
444 }
445}
446
447pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
448 let show_background = language_settings::language_settings(None, None, cx)
449 .inlay_hints
450 .show_background;
451
452 HighlightStyle {
453 color: Some(cx.theme().status().hint),
454 background_color: show_background.then(|| cx.theme().status().hint_background),
455 ..HighlightStyle::default()
456 }
457}
458
459pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
460 InlineCompletionStyles {
461 insertion: HighlightStyle {
462 color: Some(cx.theme().status().predictive),
463 ..HighlightStyle::default()
464 },
465 whitespace: HighlightStyle {
466 background_color: Some(cx.theme().status().created_background),
467 ..HighlightStyle::default()
468 },
469 }
470}
471
472type CompletionId = usize;
473
474pub(crate) enum EditDisplayMode {
475 TabAccept,
476 DiffPopover,
477 Inline,
478}
479
480enum InlineCompletion {
481 Edit {
482 edits: Vec<(Range<Anchor>, String)>,
483 edit_preview: Option<EditPreview>,
484 display_mode: EditDisplayMode,
485 snapshot: BufferSnapshot,
486 },
487 Move {
488 target: Anchor,
489 range_around_target: Range<text::Anchor>,
490 snapshot: BufferSnapshot,
491 },
492}
493
494struct InlineCompletionState {
495 inlay_ids: Vec<InlayId>,
496 completion: InlineCompletion,
497 completion_id: Option<SharedString>,
498 invalidation_range: Range<Anchor>,
499}
500
501enum EditPredictionSettings {
502 Disabled,
503 Enabled {
504 show_in_menu: bool,
505 preview_requires_modifier: bool,
506 },
507}
508
509impl EditPredictionSettings {
510 pub fn is_enabled(&self) -> bool {
511 match self {
512 EditPredictionSettings::Disabled => false,
513 EditPredictionSettings::Enabled { .. } => true,
514 }
515 }
516}
517
518enum InlineCompletionHighlight {}
519
520pub enum MenuInlineCompletionsPolicy {
521 Never,
522 ByProvider,
523}
524
525#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
526struct EditorActionId(usize);
527
528impl EditorActionId {
529 pub fn post_inc(&mut self) -> Self {
530 let answer = self.0;
531
532 *self = Self(answer + 1);
533
534 Self(answer)
535 }
536}
537
538// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
539// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
540
541type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
542type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
543
544#[derive(Default)]
545struct ScrollbarMarkerState {
546 scrollbar_size: Size<Pixels>,
547 dirty: bool,
548 markers: Arc<[PaintQuad]>,
549 pending_refresh: Option<Task<Result<()>>>,
550}
551
552impl ScrollbarMarkerState {
553 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
554 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
555 }
556}
557
558#[derive(Clone, Debug)]
559struct RunnableTasks {
560 templates: Vec<(TaskSourceKind, TaskTemplate)>,
561 offset: MultiBufferOffset,
562 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
563 column: u32,
564 // Values of all named captures, including those starting with '_'
565 extra_variables: HashMap<String, String>,
566 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
567 context_range: Range<BufferOffset>,
568}
569
570impl RunnableTasks {
571 fn resolve<'a>(
572 &'a self,
573 cx: &'a task::TaskContext,
574 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
575 self.templates.iter().filter_map(|(kind, template)| {
576 template
577 .resolve_task(&kind.to_id_base(), cx)
578 .map(|task| (kind.clone(), task))
579 })
580 }
581}
582
583#[derive(Clone)]
584struct ResolvedTasks {
585 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
586 position: Anchor,
587}
588#[derive(Copy, Clone, Debug)]
589struct MultiBufferOffset(usize);
590#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
591struct BufferOffset(usize);
592
593// Addons allow storing per-editor state in other crates (e.g. Vim)
594pub trait Addon: 'static {
595 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
596
597 fn render_buffer_header_controls(
598 &self,
599 _: &ExcerptInfo,
600 _: &Window,
601 _: &App,
602 ) -> Option<AnyElement> {
603 None
604 }
605
606 fn to_any(&self) -> &dyn std::any::Any;
607}
608
609#[derive(Debug, Copy, Clone, PartialEq, Eq)]
610pub enum IsVimMode {
611 Yes,
612 No,
613}
614
615/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
616///
617/// See the [module level documentation](self) for more information.
618pub struct Editor {
619 focus_handle: FocusHandle,
620 last_focused_descendant: Option<WeakFocusHandle>,
621 /// The text buffer being edited
622 buffer: Entity<MultiBuffer>,
623 /// Map of how text in the buffer should be displayed.
624 /// Handles soft wraps, folds, fake inlay text insertions, etc.
625 pub display_map: Entity<DisplayMap>,
626 pub selections: SelectionsCollection,
627 pub scroll_manager: ScrollManager,
628 /// When inline assist editors are linked, they all render cursors because
629 /// typing enters text into each of them, even the ones that aren't focused.
630 pub(crate) show_cursor_when_unfocused: bool,
631 columnar_selection_tail: Option<Anchor>,
632 add_selections_state: Option<AddSelectionsState>,
633 select_next_state: Option<SelectNextState>,
634 select_prev_state: Option<SelectNextState>,
635 selection_history: SelectionHistory,
636 autoclose_regions: Vec<AutocloseRegion>,
637 snippet_stack: InvalidationStack<SnippetState>,
638 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
639 ime_transaction: Option<TransactionId>,
640 active_diagnostics: Option<ActiveDiagnosticGroup>,
641 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
642
643 // TODO: make this a access method
644 pub project: Option<Entity<Project>>,
645 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
646 completion_provider: Option<Box<dyn CompletionProvider>>,
647 collaboration_hub: Option<Box<dyn CollaborationHub>>,
648 blink_manager: Entity<BlinkManager>,
649 show_cursor_names: bool,
650 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
651 pub show_local_selections: bool,
652 mode: EditorMode,
653 show_breadcrumbs: bool,
654 show_gutter: bool,
655 show_scrollbars: bool,
656 show_line_numbers: Option<bool>,
657 use_relative_line_numbers: Option<bool>,
658 show_git_diff_gutter: Option<bool>,
659 show_code_actions: Option<bool>,
660 show_runnables: Option<bool>,
661 show_wrap_guides: Option<bool>,
662 show_indent_guides: Option<bool>,
663 placeholder_text: Option<Arc<str>>,
664 highlight_order: usize,
665 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
666 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
667 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
668 scrollbar_marker_state: ScrollbarMarkerState,
669 active_indent_guides_state: ActiveIndentGuidesState,
670 nav_history: Option<ItemNavHistory>,
671 context_menu: RefCell<Option<CodeContextMenu>>,
672 mouse_context_menu: Option<MouseContextMenu>,
673 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
674 signature_help_state: SignatureHelpState,
675 auto_signature_help: Option<bool>,
676 find_all_references_task_sources: Vec<Anchor>,
677 next_completion_id: CompletionId,
678 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
679 code_actions_task: Option<Task<Result<()>>>,
680 document_highlights_task: Option<Task<()>>,
681 linked_editing_range_task: Option<Task<Option<()>>>,
682 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
683 pending_rename: Option<RenameState>,
684 searchable: bool,
685 cursor_shape: CursorShape,
686 current_line_highlight: Option<CurrentLineHighlight>,
687 collapse_matches: bool,
688 autoindent_mode: Option<AutoindentMode>,
689 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
690 input_enabled: bool,
691 use_modal_editing: bool,
692 read_only: bool,
693 leader_peer_id: Option<PeerId>,
694 remote_id: Option<ViewId>,
695 hover_state: HoverState,
696 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
697 gutter_hovered: bool,
698 hovered_link_state: Option<HoveredLinkState>,
699 edit_prediction_provider: Option<RegisteredInlineCompletionProvider>,
700 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
701 active_inline_completion: Option<InlineCompletionState>,
702 /// Used to prevent flickering as the user types while the menu is open
703 stale_inline_completion_in_menu: Option<InlineCompletionState>,
704 edit_prediction_settings: EditPredictionSettings,
705 inline_completions_hidden_for_vim_mode: bool,
706 show_inline_completions_override: Option<bool>,
707 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
708 previewing_inline_completion: bool,
709 inlay_hint_cache: InlayHintCache,
710 next_inlay_id: usize,
711 _subscriptions: Vec<Subscription>,
712 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
713 gutter_dimensions: GutterDimensions,
714 style: Option<EditorStyle>,
715 text_style_refinement: Option<TextStyleRefinement>,
716 next_editor_action_id: EditorActionId,
717 editor_actions:
718 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
719 use_autoclose: bool,
720 use_auto_surround: bool,
721 auto_replace_emoji_shortcode: bool,
722 show_git_blame_gutter: bool,
723 show_git_blame_inline: bool,
724 show_git_blame_inline_delay_task: Option<Task<()>>,
725 git_blame_inline_enabled: bool,
726 serialize_dirty_buffers: bool,
727 show_selection_menu: Option<bool>,
728 blame: Option<Entity<GitBlame>>,
729 blame_subscription: Option<Subscription>,
730 custom_context_menu: Option<
731 Box<
732 dyn 'static
733 + Fn(
734 &mut Self,
735 DisplayPoint,
736 &mut Window,
737 &mut Context<Self>,
738 ) -> Option<Entity<ui::ContextMenu>>,
739 >,
740 >,
741 last_bounds: Option<Bounds<Pixels>>,
742 last_position_map: Option<Rc<PositionMap>>,
743 expect_bounds_change: Option<Bounds<Pixels>>,
744 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
745 tasks_update_task: Option<Task<()>>,
746 in_project_search: bool,
747 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
748 breadcrumb_header: Option<String>,
749 focused_block: Option<FocusedBlock>,
750 next_scroll_position: NextScrollCursorCenterTopBottom,
751 addons: HashMap<TypeId, Box<dyn Addon>>,
752 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
753 selection_mark_mode: bool,
754 toggle_fold_multiple_buffers: Task<()>,
755 _scroll_cursor_center_top_bottom_task: Task<()>,
756}
757
758#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
759enum NextScrollCursorCenterTopBottom {
760 #[default]
761 Center,
762 Top,
763 Bottom,
764}
765
766impl NextScrollCursorCenterTopBottom {
767 fn next(&self) -> Self {
768 match self {
769 Self::Center => Self::Top,
770 Self::Top => Self::Bottom,
771 Self::Bottom => Self::Center,
772 }
773 }
774}
775
776#[derive(Clone)]
777pub struct EditorSnapshot {
778 pub mode: EditorMode,
779 show_gutter: bool,
780 show_line_numbers: Option<bool>,
781 show_git_diff_gutter: Option<bool>,
782 show_code_actions: Option<bool>,
783 show_runnables: Option<bool>,
784 git_blame_gutter_max_author_length: Option<usize>,
785 pub display_snapshot: DisplaySnapshot,
786 pub placeholder_text: Option<Arc<str>>,
787 is_focused: bool,
788 scroll_anchor: ScrollAnchor,
789 ongoing_scroll: OngoingScroll,
790 current_line_highlight: CurrentLineHighlight,
791 gutter_hovered: bool,
792}
793
794const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
795
796#[derive(Default, Debug, Clone, Copy)]
797pub struct GutterDimensions {
798 pub left_padding: Pixels,
799 pub right_padding: Pixels,
800 pub width: Pixels,
801 pub margin: Pixels,
802 pub git_blame_entries_width: Option<Pixels>,
803}
804
805impl GutterDimensions {
806 /// The full width of the space taken up by the gutter.
807 pub fn full_width(&self) -> Pixels {
808 self.margin + self.width
809 }
810
811 /// The width of the space reserved for the fold indicators,
812 /// use alongside 'justify_end' and `gutter_width` to
813 /// right align content with the line numbers
814 pub fn fold_area_width(&self) -> Pixels {
815 self.margin + self.right_padding
816 }
817}
818
819#[derive(Debug)]
820pub struct RemoteSelection {
821 pub replica_id: ReplicaId,
822 pub selection: Selection<Anchor>,
823 pub cursor_shape: CursorShape,
824 pub peer_id: PeerId,
825 pub line_mode: bool,
826 pub participant_index: Option<ParticipantIndex>,
827 pub user_name: Option<SharedString>,
828}
829
830#[derive(Clone, Debug)]
831struct SelectionHistoryEntry {
832 selections: Arc<[Selection<Anchor>]>,
833 select_next_state: Option<SelectNextState>,
834 select_prev_state: Option<SelectNextState>,
835 add_selections_state: Option<AddSelectionsState>,
836}
837
838enum SelectionHistoryMode {
839 Normal,
840 Undoing,
841 Redoing,
842}
843
844#[derive(Clone, PartialEq, Eq, Hash)]
845struct HoveredCursor {
846 replica_id: u16,
847 selection_id: usize,
848}
849
850impl Default for SelectionHistoryMode {
851 fn default() -> Self {
852 Self::Normal
853 }
854}
855
856#[derive(Default)]
857struct SelectionHistory {
858 #[allow(clippy::type_complexity)]
859 selections_by_transaction:
860 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
861 mode: SelectionHistoryMode,
862 undo_stack: VecDeque<SelectionHistoryEntry>,
863 redo_stack: VecDeque<SelectionHistoryEntry>,
864}
865
866impl SelectionHistory {
867 fn insert_transaction(
868 &mut self,
869 transaction_id: TransactionId,
870 selections: Arc<[Selection<Anchor>]>,
871 ) {
872 self.selections_by_transaction
873 .insert(transaction_id, (selections, None));
874 }
875
876 #[allow(clippy::type_complexity)]
877 fn transaction(
878 &self,
879 transaction_id: TransactionId,
880 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
881 self.selections_by_transaction.get(&transaction_id)
882 }
883
884 #[allow(clippy::type_complexity)]
885 fn transaction_mut(
886 &mut self,
887 transaction_id: TransactionId,
888 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
889 self.selections_by_transaction.get_mut(&transaction_id)
890 }
891
892 fn push(&mut self, entry: SelectionHistoryEntry) {
893 if !entry.selections.is_empty() {
894 match self.mode {
895 SelectionHistoryMode::Normal => {
896 self.push_undo(entry);
897 self.redo_stack.clear();
898 }
899 SelectionHistoryMode::Undoing => self.push_redo(entry),
900 SelectionHistoryMode::Redoing => self.push_undo(entry),
901 }
902 }
903 }
904
905 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
906 if self
907 .undo_stack
908 .back()
909 .map_or(true, |e| e.selections != entry.selections)
910 {
911 self.undo_stack.push_back(entry);
912 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
913 self.undo_stack.pop_front();
914 }
915 }
916 }
917
918 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
919 if self
920 .redo_stack
921 .back()
922 .map_or(true, |e| e.selections != entry.selections)
923 {
924 self.redo_stack.push_back(entry);
925 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
926 self.redo_stack.pop_front();
927 }
928 }
929 }
930}
931
932struct RowHighlight {
933 index: usize,
934 range: Range<Anchor>,
935 color: Hsla,
936 should_autoscroll: bool,
937}
938
939#[derive(Clone, Debug)]
940struct AddSelectionsState {
941 above: bool,
942 stack: Vec<usize>,
943}
944
945#[derive(Clone)]
946struct SelectNextState {
947 query: AhoCorasick,
948 wordwise: bool,
949 done: bool,
950}
951
952impl std::fmt::Debug for SelectNextState {
953 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
954 f.debug_struct(std::any::type_name::<Self>())
955 .field("wordwise", &self.wordwise)
956 .field("done", &self.done)
957 .finish()
958 }
959}
960
961#[derive(Debug)]
962struct AutocloseRegion {
963 selection_id: usize,
964 range: Range<Anchor>,
965 pair: BracketPair,
966}
967
968#[derive(Debug)]
969struct SnippetState {
970 ranges: Vec<Vec<Range<Anchor>>>,
971 active_index: usize,
972 choices: Vec<Option<Vec<String>>>,
973}
974
975#[doc(hidden)]
976pub struct RenameState {
977 pub range: Range<Anchor>,
978 pub old_name: Arc<str>,
979 pub editor: Entity<Editor>,
980 block_id: CustomBlockId,
981}
982
983struct InvalidationStack<T>(Vec<T>);
984
985struct RegisteredInlineCompletionProvider {
986 provider: Arc<dyn InlineCompletionProviderHandle>,
987 _subscription: Subscription,
988}
989
990#[derive(Debug)]
991struct ActiveDiagnosticGroup {
992 primary_range: Range<Anchor>,
993 primary_message: String,
994 group_id: usize,
995 blocks: HashMap<CustomBlockId, Diagnostic>,
996 is_valid: bool,
997}
998
999#[derive(Serialize, Deserialize, Clone, Debug)]
1000pub struct ClipboardSelection {
1001 pub len: usize,
1002 pub is_entire_line: bool,
1003 pub first_line_indent: u32,
1004}
1005
1006#[derive(Debug)]
1007pub(crate) struct NavigationData {
1008 cursor_anchor: Anchor,
1009 cursor_position: Point,
1010 scroll_anchor: ScrollAnchor,
1011 scroll_top_row: u32,
1012}
1013
1014#[derive(Debug, Clone, Copy, PartialEq, Eq)]
1015pub enum GotoDefinitionKind {
1016 Symbol,
1017 Declaration,
1018 Type,
1019 Implementation,
1020}
1021
1022#[derive(Debug, Clone)]
1023enum InlayHintRefreshReason {
1024 Toggle(bool),
1025 SettingsChange(InlayHintSettings),
1026 NewLinesShown,
1027 BufferEdited(HashSet<Arc<Language>>),
1028 RefreshRequested,
1029 ExcerptsRemoved(Vec<ExcerptId>),
1030}
1031
1032impl InlayHintRefreshReason {
1033 fn description(&self) -> &'static str {
1034 match self {
1035 Self::Toggle(_) => "toggle",
1036 Self::SettingsChange(_) => "settings change",
1037 Self::NewLinesShown => "new lines shown",
1038 Self::BufferEdited(_) => "buffer edited",
1039 Self::RefreshRequested => "refresh requested",
1040 Self::ExcerptsRemoved(_) => "excerpts removed",
1041 }
1042 }
1043}
1044
1045pub enum FormatTarget {
1046 Buffers,
1047 Ranges(Vec<Range<MultiBufferPoint>>),
1048}
1049
1050pub(crate) struct FocusedBlock {
1051 id: BlockId,
1052 focus_handle: WeakFocusHandle,
1053}
1054
1055#[derive(Clone)]
1056enum JumpData {
1057 MultiBufferRow {
1058 row: MultiBufferRow,
1059 line_offset_from_top: u32,
1060 },
1061 MultiBufferPoint {
1062 excerpt_id: ExcerptId,
1063 position: Point,
1064 anchor: text::Anchor,
1065 line_offset_from_top: u32,
1066 },
1067}
1068
1069pub enum MultibufferSelectionMode {
1070 First,
1071 All,
1072}
1073
1074impl Editor {
1075 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1076 let buffer = cx.new(|cx| Buffer::local("", cx));
1077 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1078 Self::new(
1079 EditorMode::SingleLine { auto_width: false },
1080 buffer,
1081 None,
1082 false,
1083 window,
1084 cx,
1085 )
1086 }
1087
1088 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1089 let buffer = cx.new(|cx| Buffer::local("", cx));
1090 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1091 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1092 }
1093
1094 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1095 let buffer = cx.new(|cx| Buffer::local("", cx));
1096 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1097 Self::new(
1098 EditorMode::SingleLine { auto_width: true },
1099 buffer,
1100 None,
1101 false,
1102 window,
1103 cx,
1104 )
1105 }
1106
1107 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1108 let buffer = cx.new(|cx| Buffer::local("", cx));
1109 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1110 Self::new(
1111 EditorMode::AutoHeight { max_lines },
1112 buffer,
1113 None,
1114 false,
1115 window,
1116 cx,
1117 )
1118 }
1119
1120 pub fn for_buffer(
1121 buffer: Entity<Buffer>,
1122 project: Option<Entity<Project>>,
1123 window: &mut Window,
1124 cx: &mut Context<Self>,
1125 ) -> Self {
1126 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1127 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1128 }
1129
1130 pub fn for_multibuffer(
1131 buffer: Entity<MultiBuffer>,
1132 project: Option<Entity<Project>>,
1133 show_excerpt_controls: bool,
1134 window: &mut Window,
1135 cx: &mut Context<Self>,
1136 ) -> Self {
1137 Self::new(
1138 EditorMode::Full,
1139 buffer,
1140 project,
1141 show_excerpt_controls,
1142 window,
1143 cx,
1144 )
1145 }
1146
1147 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1148 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1149 let mut clone = Self::new(
1150 self.mode,
1151 self.buffer.clone(),
1152 self.project.clone(),
1153 show_excerpt_controls,
1154 window,
1155 cx,
1156 );
1157 self.display_map.update(cx, |display_map, cx| {
1158 let snapshot = display_map.snapshot(cx);
1159 clone.display_map.update(cx, |display_map, cx| {
1160 display_map.set_state(&snapshot, cx);
1161 });
1162 });
1163 clone.selections.clone_state(&self.selections);
1164 clone.scroll_manager.clone_state(&self.scroll_manager);
1165 clone.searchable = self.searchable;
1166 clone
1167 }
1168
1169 pub fn new(
1170 mode: EditorMode,
1171 buffer: Entity<MultiBuffer>,
1172 project: Option<Entity<Project>>,
1173 show_excerpt_controls: bool,
1174 window: &mut Window,
1175 cx: &mut Context<Self>,
1176 ) -> Self {
1177 let style = window.text_style();
1178 let font_size = style.font_size.to_pixels(window.rem_size());
1179 let editor = cx.entity().downgrade();
1180 let fold_placeholder = FoldPlaceholder {
1181 constrain_width: true,
1182 render: Arc::new(move |fold_id, fold_range, _, cx| {
1183 let editor = editor.clone();
1184 div()
1185 .id(fold_id)
1186 .bg(cx.theme().colors().ghost_element_background)
1187 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1188 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1189 .rounded_sm()
1190 .size_full()
1191 .cursor_pointer()
1192 .child("⋯")
1193 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1194 .on_click(move |_, _window, cx| {
1195 editor
1196 .update(cx, |editor, cx| {
1197 editor.unfold_ranges(
1198 &[fold_range.start..fold_range.end],
1199 true,
1200 false,
1201 cx,
1202 );
1203 cx.stop_propagation();
1204 })
1205 .ok();
1206 })
1207 .into_any()
1208 }),
1209 merge_adjacent: true,
1210 ..Default::default()
1211 };
1212 let display_map = cx.new(|cx| {
1213 DisplayMap::new(
1214 buffer.clone(),
1215 style.font(),
1216 font_size,
1217 None,
1218 show_excerpt_controls,
1219 FILE_HEADER_HEIGHT,
1220 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1221 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1222 fold_placeholder,
1223 cx,
1224 )
1225 });
1226
1227 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1228
1229 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1230
1231 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1232 .then(|| language_settings::SoftWrap::None);
1233
1234 let mut project_subscriptions = Vec::new();
1235 if mode == EditorMode::Full {
1236 if let Some(project) = project.as_ref() {
1237 if buffer.read(cx).is_singleton() {
1238 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1239 cx.emit(EditorEvent::TitleChanged);
1240 }));
1241 }
1242 project_subscriptions.push(cx.subscribe_in(
1243 project,
1244 window,
1245 |editor, _, event, window, cx| {
1246 if let project::Event::RefreshInlayHints = event {
1247 editor
1248 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1249 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1250 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1251 let focus_handle = editor.focus_handle(cx);
1252 if focus_handle.is_focused(window) {
1253 let snapshot = buffer.read(cx).snapshot();
1254 for (range, snippet) in snippet_edits {
1255 let editor_range =
1256 language::range_from_lsp(*range).to_offset(&snapshot);
1257 editor
1258 .insert_snippet(
1259 &[editor_range],
1260 snippet.clone(),
1261 window,
1262 cx,
1263 )
1264 .ok();
1265 }
1266 }
1267 }
1268 }
1269 },
1270 ));
1271 if let Some(task_inventory) = project
1272 .read(cx)
1273 .task_store()
1274 .read(cx)
1275 .task_inventory()
1276 .cloned()
1277 {
1278 project_subscriptions.push(cx.observe_in(
1279 &task_inventory,
1280 window,
1281 |editor, _, window, cx| {
1282 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1283 },
1284 ));
1285 }
1286 }
1287 }
1288
1289 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1290
1291 let inlay_hint_settings =
1292 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1293 let focus_handle = cx.focus_handle();
1294 cx.on_focus(&focus_handle, window, Self::handle_focus)
1295 .detach();
1296 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1297 .detach();
1298 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1299 .detach();
1300 cx.on_blur(&focus_handle, window, Self::handle_blur)
1301 .detach();
1302
1303 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1304 Some(false)
1305 } else {
1306 None
1307 };
1308
1309 let mut code_action_providers = Vec::new();
1310 if let Some(project) = project.clone() {
1311 get_uncommitted_diff_for_buffer(
1312 &project,
1313 buffer.read(cx).all_buffers(),
1314 buffer.clone(),
1315 cx,
1316 );
1317 code_action_providers.push(Rc::new(project) as Rc<_>);
1318 }
1319
1320 let mut this = Self {
1321 focus_handle,
1322 show_cursor_when_unfocused: false,
1323 last_focused_descendant: None,
1324 buffer: buffer.clone(),
1325 display_map: display_map.clone(),
1326 selections,
1327 scroll_manager: ScrollManager::new(cx),
1328 columnar_selection_tail: None,
1329 add_selections_state: None,
1330 select_next_state: None,
1331 select_prev_state: None,
1332 selection_history: Default::default(),
1333 autoclose_regions: Default::default(),
1334 snippet_stack: Default::default(),
1335 select_larger_syntax_node_stack: Vec::new(),
1336 ime_transaction: Default::default(),
1337 active_diagnostics: None,
1338 soft_wrap_mode_override,
1339 completion_provider: project.clone().map(|project| Box::new(project) as _),
1340 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1341 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1342 project,
1343 blink_manager: blink_manager.clone(),
1344 show_local_selections: true,
1345 show_scrollbars: true,
1346 mode,
1347 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1348 show_gutter: mode == EditorMode::Full,
1349 show_line_numbers: None,
1350 use_relative_line_numbers: None,
1351 show_git_diff_gutter: None,
1352 show_code_actions: None,
1353 show_runnables: None,
1354 show_wrap_guides: None,
1355 show_indent_guides,
1356 placeholder_text: None,
1357 highlight_order: 0,
1358 highlighted_rows: HashMap::default(),
1359 background_highlights: Default::default(),
1360 gutter_highlights: TreeMap::default(),
1361 scrollbar_marker_state: ScrollbarMarkerState::default(),
1362 active_indent_guides_state: ActiveIndentGuidesState::default(),
1363 nav_history: None,
1364 context_menu: RefCell::new(None),
1365 mouse_context_menu: None,
1366 completion_tasks: Default::default(),
1367 signature_help_state: SignatureHelpState::default(),
1368 auto_signature_help: None,
1369 find_all_references_task_sources: Vec::new(),
1370 next_completion_id: 0,
1371 next_inlay_id: 0,
1372 code_action_providers,
1373 available_code_actions: Default::default(),
1374 code_actions_task: Default::default(),
1375 document_highlights_task: Default::default(),
1376 linked_editing_range_task: Default::default(),
1377 pending_rename: Default::default(),
1378 searchable: true,
1379 cursor_shape: EditorSettings::get_global(cx)
1380 .cursor_shape
1381 .unwrap_or_default(),
1382 current_line_highlight: None,
1383 autoindent_mode: Some(AutoindentMode::EachLine),
1384 collapse_matches: false,
1385 workspace: None,
1386 input_enabled: true,
1387 use_modal_editing: mode == EditorMode::Full,
1388 read_only: false,
1389 use_autoclose: true,
1390 use_auto_surround: true,
1391 auto_replace_emoji_shortcode: false,
1392 leader_peer_id: None,
1393 remote_id: None,
1394 hover_state: Default::default(),
1395 pending_mouse_down: None,
1396 hovered_link_state: Default::default(),
1397 edit_prediction_provider: None,
1398 active_inline_completion: None,
1399 stale_inline_completion_in_menu: None,
1400 previewing_inline_completion: false,
1401 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1402
1403 gutter_hovered: false,
1404 pixel_position_of_newest_cursor: None,
1405 last_bounds: None,
1406 last_position_map: None,
1407 expect_bounds_change: None,
1408 gutter_dimensions: GutterDimensions::default(),
1409 style: None,
1410 show_cursor_names: false,
1411 hovered_cursors: Default::default(),
1412 next_editor_action_id: EditorActionId::default(),
1413 editor_actions: Rc::default(),
1414 inline_completions_hidden_for_vim_mode: false,
1415 show_inline_completions_override: None,
1416 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1417 edit_prediction_settings: EditPredictionSettings::Disabled,
1418 custom_context_menu: None,
1419 show_git_blame_gutter: false,
1420 show_git_blame_inline: false,
1421 show_selection_menu: None,
1422 show_git_blame_inline_delay_task: None,
1423 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1424 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1425 .session
1426 .restore_unsaved_buffers,
1427 blame: None,
1428 blame_subscription: None,
1429 tasks: Default::default(),
1430 _subscriptions: vec![
1431 cx.observe(&buffer, Self::on_buffer_changed),
1432 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1433 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1434 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1435 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1436 cx.observe_window_activation(window, |editor, window, cx| {
1437 let active = window.is_window_active();
1438 editor.blink_manager.update(cx, |blink_manager, cx| {
1439 if active {
1440 blink_manager.enable(cx);
1441 } else {
1442 blink_manager.disable(cx);
1443 }
1444 });
1445 }),
1446 ],
1447 tasks_update_task: None,
1448 linked_edit_ranges: Default::default(),
1449 in_project_search: false,
1450 previous_search_ranges: None,
1451 breadcrumb_header: None,
1452 focused_block: None,
1453 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1454 addons: HashMap::default(),
1455 registered_buffers: HashMap::default(),
1456 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1457 selection_mark_mode: false,
1458 toggle_fold_multiple_buffers: Task::ready(()),
1459 text_style_refinement: None,
1460 };
1461 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1462 this._subscriptions.extend(project_subscriptions);
1463
1464 this.end_selection(window, cx);
1465 this.scroll_manager.show_scrollbar(window, cx);
1466
1467 if mode == EditorMode::Full {
1468 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1469 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1470
1471 if this.git_blame_inline_enabled {
1472 this.git_blame_inline_enabled = true;
1473 this.start_git_blame_inline(false, window, cx);
1474 }
1475
1476 if let Some(buffer) = buffer.read(cx).as_singleton() {
1477 if let Some(project) = this.project.as_ref() {
1478 let lsp_store = project.read(cx).lsp_store();
1479 let handle = lsp_store.update(cx, |lsp_store, cx| {
1480 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1481 });
1482 this.registered_buffers
1483 .insert(buffer.read(cx).remote_id(), handle);
1484 }
1485 }
1486 }
1487
1488 this.report_editor_event("Editor Opened", None, cx);
1489 this
1490 }
1491
1492 pub fn mouse_menu_is_focused(&self, window: &Window, cx: &App) -> bool {
1493 self.mouse_context_menu
1494 .as_ref()
1495 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1496 }
1497
1498 fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
1499 let mut key_context = KeyContext::new_with_defaults();
1500 key_context.add("Editor");
1501 let mode = match self.mode {
1502 EditorMode::SingleLine { .. } => "single_line",
1503 EditorMode::AutoHeight { .. } => "auto_height",
1504 EditorMode::Full => "full",
1505 };
1506
1507 if EditorSettings::jupyter_enabled(cx) {
1508 key_context.add("jupyter");
1509 }
1510
1511 key_context.set("mode", mode);
1512 if self.pending_rename.is_some() {
1513 key_context.add("renaming");
1514 }
1515
1516 let mut showing_completions = false;
1517
1518 match self.context_menu.borrow().as_ref() {
1519 Some(CodeContextMenu::Completions(_)) => {
1520 key_context.add("menu");
1521 key_context.add("showing_completions");
1522 showing_completions = true;
1523 }
1524 Some(CodeContextMenu::CodeActions(_)) => {
1525 key_context.add("menu");
1526 key_context.add("showing_code_actions")
1527 }
1528 None => {}
1529 }
1530
1531 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1532 if !self.focus_handle(cx).contains_focused(window, cx)
1533 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1534 {
1535 for addon in self.addons.values() {
1536 addon.extend_key_context(&mut key_context, cx)
1537 }
1538 }
1539
1540 if let Some(extension) = self
1541 .buffer
1542 .read(cx)
1543 .as_singleton()
1544 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1545 {
1546 key_context.set("extension", extension.to_string());
1547 }
1548
1549 if self.has_active_inline_completion() {
1550 key_context.add("copilot_suggestion");
1551 key_context.add(EDIT_PREDICTION_KEY_CONTEXT);
1552
1553 if showing_completions || self.edit_prediction_requires_modifier() {
1554 key_context.add(EDIT_PREDICTION_REQUIRES_MODIFIER_KEY_CONTEXT);
1555 }
1556 }
1557
1558 if self.selection_mark_mode {
1559 key_context.add("selection_mode");
1560 }
1561
1562 key_context
1563 }
1564
1565 pub fn accept_edit_prediction_keybind(
1566 &self,
1567 window: &Window,
1568 cx: &App,
1569 ) -> AcceptEditPredictionBinding {
1570 let mut context = self.key_context(window, cx);
1571 context.add(EDIT_PREDICTION_KEY_CONTEXT);
1572
1573 AcceptEditPredictionBinding(
1574 window
1575 .bindings_for_action_in_context(&AcceptEditPrediction, context)
1576 .into_iter()
1577 .rev()
1578 .next(),
1579 )
1580 }
1581
1582 pub fn new_file(
1583 workspace: &mut Workspace,
1584 _: &workspace::NewFile,
1585 window: &mut Window,
1586 cx: &mut Context<Workspace>,
1587 ) {
1588 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1589 "Failed to create buffer",
1590 window,
1591 cx,
1592 |e, _, _| match e.error_code() {
1593 ErrorCode::RemoteUpgradeRequired => Some(format!(
1594 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1595 e.error_tag("required").unwrap_or("the latest version")
1596 )),
1597 _ => None,
1598 },
1599 );
1600 }
1601
1602 pub fn new_in_workspace(
1603 workspace: &mut Workspace,
1604 window: &mut Window,
1605 cx: &mut Context<Workspace>,
1606 ) -> Task<Result<Entity<Editor>>> {
1607 let project = workspace.project().clone();
1608 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1609
1610 cx.spawn_in(window, |workspace, mut cx| async move {
1611 let buffer = create.await?;
1612 workspace.update_in(&mut cx, |workspace, window, cx| {
1613 let editor =
1614 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1615 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1616 editor
1617 })
1618 })
1619 }
1620
1621 fn new_file_vertical(
1622 workspace: &mut Workspace,
1623 _: &workspace::NewFileSplitVertical,
1624 window: &mut Window,
1625 cx: &mut Context<Workspace>,
1626 ) {
1627 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1628 }
1629
1630 fn new_file_horizontal(
1631 workspace: &mut Workspace,
1632 _: &workspace::NewFileSplitHorizontal,
1633 window: &mut Window,
1634 cx: &mut Context<Workspace>,
1635 ) {
1636 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1637 }
1638
1639 fn new_file_in_direction(
1640 workspace: &mut Workspace,
1641 direction: SplitDirection,
1642 window: &mut Window,
1643 cx: &mut Context<Workspace>,
1644 ) {
1645 let project = workspace.project().clone();
1646 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1647
1648 cx.spawn_in(window, |workspace, mut cx| async move {
1649 let buffer = create.await?;
1650 workspace.update_in(&mut cx, move |workspace, window, cx| {
1651 workspace.split_item(
1652 direction,
1653 Box::new(
1654 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1655 ),
1656 window,
1657 cx,
1658 )
1659 })?;
1660 anyhow::Ok(())
1661 })
1662 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1663 match e.error_code() {
1664 ErrorCode::RemoteUpgradeRequired => Some(format!(
1665 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1666 e.error_tag("required").unwrap_or("the latest version")
1667 )),
1668 _ => None,
1669 }
1670 });
1671 }
1672
1673 pub fn leader_peer_id(&self) -> Option<PeerId> {
1674 self.leader_peer_id
1675 }
1676
1677 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1678 &self.buffer
1679 }
1680
1681 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1682 self.workspace.as_ref()?.0.upgrade()
1683 }
1684
1685 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1686 self.buffer().read(cx).title(cx)
1687 }
1688
1689 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1690 let git_blame_gutter_max_author_length = self
1691 .render_git_blame_gutter(cx)
1692 .then(|| {
1693 if let Some(blame) = self.blame.as_ref() {
1694 let max_author_length =
1695 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1696 Some(max_author_length)
1697 } else {
1698 None
1699 }
1700 })
1701 .flatten();
1702
1703 EditorSnapshot {
1704 mode: self.mode,
1705 show_gutter: self.show_gutter,
1706 show_line_numbers: self.show_line_numbers,
1707 show_git_diff_gutter: self.show_git_diff_gutter,
1708 show_code_actions: self.show_code_actions,
1709 show_runnables: self.show_runnables,
1710 git_blame_gutter_max_author_length,
1711 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1712 scroll_anchor: self.scroll_manager.anchor(),
1713 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1714 placeholder_text: self.placeholder_text.clone(),
1715 is_focused: self.focus_handle.is_focused(window),
1716 current_line_highlight: self
1717 .current_line_highlight
1718 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1719 gutter_hovered: self.gutter_hovered,
1720 }
1721 }
1722
1723 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1724 self.buffer.read(cx).language_at(point, cx)
1725 }
1726
1727 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1728 self.buffer.read(cx).read(cx).file_at(point).cloned()
1729 }
1730
1731 pub fn active_excerpt(
1732 &self,
1733 cx: &App,
1734 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1735 self.buffer
1736 .read(cx)
1737 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1738 }
1739
1740 pub fn mode(&self) -> EditorMode {
1741 self.mode
1742 }
1743
1744 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1745 self.collaboration_hub.as_deref()
1746 }
1747
1748 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1749 self.collaboration_hub = Some(hub);
1750 }
1751
1752 pub fn set_in_project_search(&mut self, in_project_search: bool) {
1753 self.in_project_search = in_project_search;
1754 }
1755
1756 pub fn set_custom_context_menu(
1757 &mut self,
1758 f: impl 'static
1759 + Fn(
1760 &mut Self,
1761 DisplayPoint,
1762 &mut Window,
1763 &mut Context<Self>,
1764 ) -> Option<Entity<ui::ContextMenu>>,
1765 ) {
1766 self.custom_context_menu = Some(Box::new(f))
1767 }
1768
1769 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1770 self.completion_provider = provider;
1771 }
1772
1773 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1774 self.semantics_provider.clone()
1775 }
1776
1777 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1778 self.semantics_provider = provider;
1779 }
1780
1781 pub fn set_edit_prediction_provider<T>(
1782 &mut self,
1783 provider: Option<Entity<T>>,
1784 window: &mut Window,
1785 cx: &mut Context<Self>,
1786 ) where
1787 T: EditPredictionProvider,
1788 {
1789 self.edit_prediction_provider =
1790 provider.map(|provider| RegisteredInlineCompletionProvider {
1791 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1792 if this.focus_handle.is_focused(window) {
1793 this.update_visible_inline_completion(window, cx);
1794 }
1795 }),
1796 provider: Arc::new(provider),
1797 });
1798 self.refresh_inline_completion(false, false, window, cx);
1799 }
1800
1801 pub fn placeholder_text(&self) -> Option<&str> {
1802 self.placeholder_text.as_deref()
1803 }
1804
1805 pub fn set_placeholder_text(
1806 &mut self,
1807 placeholder_text: impl Into<Arc<str>>,
1808 cx: &mut Context<Self>,
1809 ) {
1810 let placeholder_text = Some(placeholder_text.into());
1811 if self.placeholder_text != placeholder_text {
1812 self.placeholder_text = placeholder_text;
1813 cx.notify();
1814 }
1815 }
1816
1817 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1818 self.cursor_shape = cursor_shape;
1819
1820 // Disrupt blink for immediate user feedback that the cursor shape has changed
1821 self.blink_manager.update(cx, BlinkManager::show_cursor);
1822
1823 cx.notify();
1824 }
1825
1826 pub fn set_current_line_highlight(
1827 &mut self,
1828 current_line_highlight: Option<CurrentLineHighlight>,
1829 ) {
1830 self.current_line_highlight = current_line_highlight;
1831 }
1832
1833 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1834 self.collapse_matches = collapse_matches;
1835 }
1836
1837 fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1838 let buffers = self.buffer.read(cx).all_buffers();
1839 let Some(lsp_store) = self.lsp_store(cx) else {
1840 return;
1841 };
1842 lsp_store.update(cx, |lsp_store, cx| {
1843 for buffer in buffers {
1844 self.registered_buffers
1845 .entry(buffer.read(cx).remote_id())
1846 .or_insert_with(|| {
1847 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1848 });
1849 }
1850 })
1851 }
1852
1853 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1854 if self.collapse_matches {
1855 return range.start..range.start;
1856 }
1857 range.clone()
1858 }
1859
1860 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1861 if self.display_map.read(cx).clip_at_line_ends != clip {
1862 self.display_map
1863 .update(cx, |map, _| map.clip_at_line_ends = clip);
1864 }
1865 }
1866
1867 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1868 self.input_enabled = input_enabled;
1869 }
1870
1871 pub fn set_inline_completions_hidden_for_vim_mode(
1872 &mut self,
1873 hidden: bool,
1874 window: &mut Window,
1875 cx: &mut Context<Self>,
1876 ) {
1877 if hidden != self.inline_completions_hidden_for_vim_mode {
1878 self.inline_completions_hidden_for_vim_mode = hidden;
1879 if hidden {
1880 self.update_visible_inline_completion(window, cx);
1881 } else {
1882 self.refresh_inline_completion(true, false, window, cx);
1883 }
1884 }
1885 }
1886
1887 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1888 self.menu_inline_completions_policy = value;
1889 }
1890
1891 pub fn set_autoindent(&mut self, autoindent: bool) {
1892 if autoindent {
1893 self.autoindent_mode = Some(AutoindentMode::EachLine);
1894 } else {
1895 self.autoindent_mode = None;
1896 }
1897 }
1898
1899 pub fn read_only(&self, cx: &App) -> bool {
1900 self.read_only || self.buffer.read(cx).read_only()
1901 }
1902
1903 pub fn set_read_only(&mut self, read_only: bool) {
1904 self.read_only = read_only;
1905 }
1906
1907 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1908 self.use_autoclose = autoclose;
1909 }
1910
1911 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1912 self.use_auto_surround = auto_surround;
1913 }
1914
1915 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1916 self.auto_replace_emoji_shortcode = auto_replace;
1917 }
1918
1919 pub fn toggle_inline_completions(
1920 &mut self,
1921 _: &ToggleEditPrediction,
1922 window: &mut Window,
1923 cx: &mut Context<Self>,
1924 ) {
1925 if self.show_inline_completions_override.is_some() {
1926 self.set_show_edit_predictions(None, window, cx);
1927 } else {
1928 let show_edit_predictions = !self.edit_predictions_enabled();
1929 self.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
1930 }
1931 }
1932
1933 pub fn set_show_edit_predictions(
1934 &mut self,
1935 show_edit_predictions: Option<bool>,
1936 window: &mut Window,
1937 cx: &mut Context<Self>,
1938 ) {
1939 self.show_inline_completions_override = show_edit_predictions;
1940 self.refresh_inline_completion(false, true, window, cx);
1941 }
1942
1943 fn inline_completions_disabled_in_scope(
1944 &self,
1945 buffer: &Entity<Buffer>,
1946 buffer_position: language::Anchor,
1947 cx: &App,
1948 ) -> bool {
1949 let snapshot = buffer.read(cx).snapshot();
1950 let settings = snapshot.settings_at(buffer_position, cx);
1951
1952 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1953 return false;
1954 };
1955
1956 scope.override_name().map_or(false, |scope_name| {
1957 settings
1958 .edit_predictions_disabled_in
1959 .iter()
1960 .any(|s| s == scope_name)
1961 })
1962 }
1963
1964 pub fn set_use_modal_editing(&mut self, to: bool) {
1965 self.use_modal_editing = to;
1966 }
1967
1968 pub fn use_modal_editing(&self) -> bool {
1969 self.use_modal_editing
1970 }
1971
1972 fn selections_did_change(
1973 &mut self,
1974 local: bool,
1975 old_cursor_position: &Anchor,
1976 show_completions: bool,
1977 window: &mut Window,
1978 cx: &mut Context<Self>,
1979 ) {
1980 window.invalidate_character_coordinates();
1981
1982 // Copy selections to primary selection buffer
1983 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1984 if local {
1985 let selections = self.selections.all::<usize>(cx);
1986 let buffer_handle = self.buffer.read(cx).read(cx);
1987
1988 let mut text = String::new();
1989 for (index, selection) in selections.iter().enumerate() {
1990 let text_for_selection = buffer_handle
1991 .text_for_range(selection.start..selection.end)
1992 .collect::<String>();
1993
1994 text.push_str(&text_for_selection);
1995 if index != selections.len() - 1 {
1996 text.push('\n');
1997 }
1998 }
1999
2000 if !text.is_empty() {
2001 cx.write_to_primary(ClipboardItem::new_string(text));
2002 }
2003 }
2004
2005 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
2006 self.buffer.update(cx, |buffer, cx| {
2007 buffer.set_active_selections(
2008 &self.selections.disjoint_anchors(),
2009 self.selections.line_mode,
2010 self.cursor_shape,
2011 cx,
2012 )
2013 });
2014 }
2015 let display_map = self
2016 .display_map
2017 .update(cx, |display_map, cx| display_map.snapshot(cx));
2018 let buffer = &display_map.buffer_snapshot;
2019 self.add_selections_state = None;
2020 self.select_next_state = None;
2021 self.select_prev_state = None;
2022 self.select_larger_syntax_node_stack.clear();
2023 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2024 self.snippet_stack
2025 .invalidate(&self.selections.disjoint_anchors(), buffer);
2026 self.take_rename(false, window, cx);
2027
2028 let new_cursor_position = self.selections.newest_anchor().head();
2029
2030 self.push_to_nav_history(
2031 *old_cursor_position,
2032 Some(new_cursor_position.to_point(buffer)),
2033 cx,
2034 );
2035
2036 if local {
2037 let new_cursor_position = self.selections.newest_anchor().head();
2038 let mut context_menu = self.context_menu.borrow_mut();
2039 let completion_menu = match context_menu.as_ref() {
2040 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2041 _ => {
2042 *context_menu = None;
2043 None
2044 }
2045 };
2046 if let Some(buffer_id) = new_cursor_position.buffer_id {
2047 if !self.registered_buffers.contains_key(&buffer_id) {
2048 if let Some(lsp_store) = self.lsp_store(cx) {
2049 lsp_store.update(cx, |lsp_store, cx| {
2050 let Some(buffer) = self.buffer.read(cx).buffer(buffer_id) else {
2051 return;
2052 };
2053 self.registered_buffers.insert(
2054 buffer_id,
2055 lsp_store.register_buffer_with_language_servers(&buffer, cx),
2056 );
2057 })
2058 }
2059 }
2060 }
2061
2062 if let Some(completion_menu) = completion_menu {
2063 let cursor_position = new_cursor_position.to_offset(buffer);
2064 let (word_range, kind) =
2065 buffer.surrounding_word(completion_menu.initial_position, true);
2066 if kind == Some(CharKind::Word)
2067 && word_range.to_inclusive().contains(&cursor_position)
2068 {
2069 let mut completion_menu = completion_menu.clone();
2070 drop(context_menu);
2071
2072 let query = Self::completion_query(buffer, cursor_position);
2073 cx.spawn(move |this, mut cx| async move {
2074 completion_menu
2075 .filter(query.as_deref(), cx.background_executor().clone())
2076 .await;
2077
2078 this.update(&mut cx, |this, cx| {
2079 let mut context_menu = this.context_menu.borrow_mut();
2080 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2081 else {
2082 return;
2083 };
2084
2085 if menu.id > completion_menu.id {
2086 return;
2087 }
2088
2089 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2090 drop(context_menu);
2091 cx.notify();
2092 })
2093 })
2094 .detach();
2095
2096 if show_completions {
2097 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2098 }
2099 } else {
2100 drop(context_menu);
2101 self.hide_context_menu(window, cx);
2102 }
2103 } else {
2104 drop(context_menu);
2105 }
2106
2107 hide_hover(self, cx);
2108
2109 if old_cursor_position.to_display_point(&display_map).row()
2110 != new_cursor_position.to_display_point(&display_map).row()
2111 {
2112 self.available_code_actions.take();
2113 }
2114 self.refresh_code_actions(window, cx);
2115 self.refresh_document_highlights(cx);
2116 refresh_matching_bracket_highlights(self, window, cx);
2117 self.update_visible_inline_completion(window, cx);
2118 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2119 if self.git_blame_inline_enabled {
2120 self.start_inline_blame_timer(window, cx);
2121 }
2122 }
2123
2124 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2125 cx.emit(EditorEvent::SelectionsChanged { local });
2126
2127 if self.selections.disjoint_anchors().len() == 1 {
2128 cx.emit(SearchEvent::ActiveMatchChanged)
2129 }
2130 cx.notify();
2131 }
2132
2133 pub fn change_selections<R>(
2134 &mut self,
2135 autoscroll: Option<Autoscroll>,
2136 window: &mut Window,
2137 cx: &mut Context<Self>,
2138 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2139 ) -> R {
2140 self.change_selections_inner(autoscroll, true, window, cx, change)
2141 }
2142
2143 pub fn change_selections_inner<R>(
2144 &mut self,
2145 autoscroll: Option<Autoscroll>,
2146 request_completions: bool,
2147 window: &mut Window,
2148 cx: &mut Context<Self>,
2149 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2150 ) -> R {
2151 let old_cursor_position = self.selections.newest_anchor().head();
2152 self.push_to_selection_history();
2153
2154 let (changed, result) = self.selections.change_with(cx, change);
2155
2156 if changed {
2157 if let Some(autoscroll) = autoscroll {
2158 self.request_autoscroll(autoscroll, cx);
2159 }
2160 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2161
2162 if self.should_open_signature_help_automatically(
2163 &old_cursor_position,
2164 self.signature_help_state.backspace_pressed(),
2165 cx,
2166 ) {
2167 self.show_signature_help(&ShowSignatureHelp, window, cx);
2168 }
2169 self.signature_help_state.set_backspace_pressed(false);
2170 }
2171
2172 result
2173 }
2174
2175 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2176 where
2177 I: IntoIterator<Item = (Range<S>, T)>,
2178 S: ToOffset,
2179 T: Into<Arc<str>>,
2180 {
2181 if self.read_only(cx) {
2182 return;
2183 }
2184
2185 self.buffer
2186 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2187 }
2188
2189 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2190 where
2191 I: IntoIterator<Item = (Range<S>, T)>,
2192 S: ToOffset,
2193 T: Into<Arc<str>>,
2194 {
2195 if self.read_only(cx) {
2196 return;
2197 }
2198
2199 self.buffer.update(cx, |buffer, cx| {
2200 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2201 });
2202 }
2203
2204 pub fn edit_with_block_indent<I, S, T>(
2205 &mut self,
2206 edits: I,
2207 original_indent_columns: Vec<u32>,
2208 cx: &mut Context<Self>,
2209 ) where
2210 I: IntoIterator<Item = (Range<S>, T)>,
2211 S: ToOffset,
2212 T: Into<Arc<str>>,
2213 {
2214 if self.read_only(cx) {
2215 return;
2216 }
2217
2218 self.buffer.update(cx, |buffer, cx| {
2219 buffer.edit(
2220 edits,
2221 Some(AutoindentMode::Block {
2222 original_indent_columns,
2223 }),
2224 cx,
2225 )
2226 });
2227 }
2228
2229 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2230 self.hide_context_menu(window, cx);
2231
2232 match phase {
2233 SelectPhase::Begin {
2234 position,
2235 add,
2236 click_count,
2237 } => self.begin_selection(position, add, click_count, window, cx),
2238 SelectPhase::BeginColumnar {
2239 position,
2240 goal_column,
2241 reset,
2242 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2243 SelectPhase::Extend {
2244 position,
2245 click_count,
2246 } => self.extend_selection(position, click_count, window, cx),
2247 SelectPhase::Update {
2248 position,
2249 goal_column,
2250 scroll_delta,
2251 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2252 SelectPhase::End => self.end_selection(window, cx),
2253 }
2254 }
2255
2256 fn extend_selection(
2257 &mut self,
2258 position: DisplayPoint,
2259 click_count: usize,
2260 window: &mut Window,
2261 cx: &mut Context<Self>,
2262 ) {
2263 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2264 let tail = self.selections.newest::<usize>(cx).tail();
2265 self.begin_selection(position, false, click_count, window, cx);
2266
2267 let position = position.to_offset(&display_map, Bias::Left);
2268 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2269
2270 let mut pending_selection = self
2271 .selections
2272 .pending_anchor()
2273 .expect("extend_selection not called with pending selection");
2274 if position >= tail {
2275 pending_selection.start = tail_anchor;
2276 } else {
2277 pending_selection.end = tail_anchor;
2278 pending_selection.reversed = true;
2279 }
2280
2281 let mut pending_mode = self.selections.pending_mode().unwrap();
2282 match &mut pending_mode {
2283 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2284 _ => {}
2285 }
2286
2287 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2288 s.set_pending(pending_selection, pending_mode)
2289 });
2290 }
2291
2292 fn begin_selection(
2293 &mut self,
2294 position: DisplayPoint,
2295 add: bool,
2296 click_count: usize,
2297 window: &mut Window,
2298 cx: &mut Context<Self>,
2299 ) {
2300 if !self.focus_handle.is_focused(window) {
2301 self.last_focused_descendant = None;
2302 window.focus(&self.focus_handle);
2303 }
2304
2305 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2306 let buffer = &display_map.buffer_snapshot;
2307 let newest_selection = self.selections.newest_anchor().clone();
2308 let position = display_map.clip_point(position, Bias::Left);
2309
2310 let start;
2311 let end;
2312 let mode;
2313 let mut auto_scroll;
2314 match click_count {
2315 1 => {
2316 start = buffer.anchor_before(position.to_point(&display_map));
2317 end = start;
2318 mode = SelectMode::Character;
2319 auto_scroll = true;
2320 }
2321 2 => {
2322 let range = movement::surrounding_word(&display_map, position);
2323 start = buffer.anchor_before(range.start.to_point(&display_map));
2324 end = buffer.anchor_before(range.end.to_point(&display_map));
2325 mode = SelectMode::Word(start..end);
2326 auto_scroll = true;
2327 }
2328 3 => {
2329 let position = display_map
2330 .clip_point(position, Bias::Left)
2331 .to_point(&display_map);
2332 let line_start = display_map.prev_line_boundary(position).0;
2333 let next_line_start = buffer.clip_point(
2334 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2335 Bias::Left,
2336 );
2337 start = buffer.anchor_before(line_start);
2338 end = buffer.anchor_before(next_line_start);
2339 mode = SelectMode::Line(start..end);
2340 auto_scroll = true;
2341 }
2342 _ => {
2343 start = buffer.anchor_before(0);
2344 end = buffer.anchor_before(buffer.len());
2345 mode = SelectMode::All;
2346 auto_scroll = false;
2347 }
2348 }
2349 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2350
2351 let point_to_delete: Option<usize> = {
2352 let selected_points: Vec<Selection<Point>> =
2353 self.selections.disjoint_in_range(start..end, cx);
2354
2355 if !add || click_count > 1 {
2356 None
2357 } else if !selected_points.is_empty() {
2358 Some(selected_points[0].id)
2359 } else {
2360 let clicked_point_already_selected =
2361 self.selections.disjoint.iter().find(|selection| {
2362 selection.start.to_point(buffer) == start.to_point(buffer)
2363 || selection.end.to_point(buffer) == end.to_point(buffer)
2364 });
2365
2366 clicked_point_already_selected.map(|selection| selection.id)
2367 }
2368 };
2369
2370 let selections_count = self.selections.count();
2371
2372 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2373 if let Some(point_to_delete) = point_to_delete {
2374 s.delete(point_to_delete);
2375
2376 if selections_count == 1 {
2377 s.set_pending_anchor_range(start..end, mode);
2378 }
2379 } else {
2380 if !add {
2381 s.clear_disjoint();
2382 } else if click_count > 1 {
2383 s.delete(newest_selection.id)
2384 }
2385
2386 s.set_pending_anchor_range(start..end, mode);
2387 }
2388 });
2389 }
2390
2391 fn begin_columnar_selection(
2392 &mut self,
2393 position: DisplayPoint,
2394 goal_column: u32,
2395 reset: bool,
2396 window: &mut Window,
2397 cx: &mut Context<Self>,
2398 ) {
2399 if !self.focus_handle.is_focused(window) {
2400 self.last_focused_descendant = None;
2401 window.focus(&self.focus_handle);
2402 }
2403
2404 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2405
2406 if reset {
2407 let pointer_position = display_map
2408 .buffer_snapshot
2409 .anchor_before(position.to_point(&display_map));
2410
2411 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2412 s.clear_disjoint();
2413 s.set_pending_anchor_range(
2414 pointer_position..pointer_position,
2415 SelectMode::Character,
2416 );
2417 });
2418 }
2419
2420 let tail = self.selections.newest::<Point>(cx).tail();
2421 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2422
2423 if !reset {
2424 self.select_columns(
2425 tail.to_display_point(&display_map),
2426 position,
2427 goal_column,
2428 &display_map,
2429 window,
2430 cx,
2431 );
2432 }
2433 }
2434
2435 fn update_selection(
2436 &mut self,
2437 position: DisplayPoint,
2438 goal_column: u32,
2439 scroll_delta: gpui::Point<f32>,
2440 window: &mut Window,
2441 cx: &mut Context<Self>,
2442 ) {
2443 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2444
2445 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2446 let tail = tail.to_display_point(&display_map);
2447 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2448 } else if let Some(mut pending) = self.selections.pending_anchor() {
2449 let buffer = self.buffer.read(cx).snapshot(cx);
2450 let head;
2451 let tail;
2452 let mode = self.selections.pending_mode().unwrap();
2453 match &mode {
2454 SelectMode::Character => {
2455 head = position.to_point(&display_map);
2456 tail = pending.tail().to_point(&buffer);
2457 }
2458 SelectMode::Word(original_range) => {
2459 let original_display_range = original_range.start.to_display_point(&display_map)
2460 ..original_range.end.to_display_point(&display_map);
2461 let original_buffer_range = original_display_range.start.to_point(&display_map)
2462 ..original_display_range.end.to_point(&display_map);
2463 if movement::is_inside_word(&display_map, position)
2464 || original_display_range.contains(&position)
2465 {
2466 let word_range = movement::surrounding_word(&display_map, position);
2467 if word_range.start < original_display_range.start {
2468 head = word_range.start.to_point(&display_map);
2469 } else {
2470 head = word_range.end.to_point(&display_map);
2471 }
2472 } else {
2473 head = position.to_point(&display_map);
2474 }
2475
2476 if head <= original_buffer_range.start {
2477 tail = original_buffer_range.end;
2478 } else {
2479 tail = original_buffer_range.start;
2480 }
2481 }
2482 SelectMode::Line(original_range) => {
2483 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2484
2485 let position = display_map
2486 .clip_point(position, Bias::Left)
2487 .to_point(&display_map);
2488 let line_start = display_map.prev_line_boundary(position).0;
2489 let next_line_start = buffer.clip_point(
2490 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2491 Bias::Left,
2492 );
2493
2494 if line_start < original_range.start {
2495 head = line_start
2496 } else {
2497 head = next_line_start
2498 }
2499
2500 if head <= original_range.start {
2501 tail = original_range.end;
2502 } else {
2503 tail = original_range.start;
2504 }
2505 }
2506 SelectMode::All => {
2507 return;
2508 }
2509 };
2510
2511 if head < tail {
2512 pending.start = buffer.anchor_before(head);
2513 pending.end = buffer.anchor_before(tail);
2514 pending.reversed = true;
2515 } else {
2516 pending.start = buffer.anchor_before(tail);
2517 pending.end = buffer.anchor_before(head);
2518 pending.reversed = false;
2519 }
2520
2521 self.change_selections(None, window, cx, |s| {
2522 s.set_pending(pending, mode);
2523 });
2524 } else {
2525 log::error!("update_selection dispatched with no pending selection");
2526 return;
2527 }
2528
2529 self.apply_scroll_delta(scroll_delta, window, cx);
2530 cx.notify();
2531 }
2532
2533 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2534 self.columnar_selection_tail.take();
2535 if self.selections.pending_anchor().is_some() {
2536 let selections = self.selections.all::<usize>(cx);
2537 self.change_selections(None, window, cx, |s| {
2538 s.select(selections);
2539 s.clear_pending();
2540 });
2541 }
2542 }
2543
2544 fn select_columns(
2545 &mut self,
2546 tail: DisplayPoint,
2547 head: DisplayPoint,
2548 goal_column: u32,
2549 display_map: &DisplaySnapshot,
2550 window: &mut Window,
2551 cx: &mut Context<Self>,
2552 ) {
2553 let start_row = cmp::min(tail.row(), head.row());
2554 let end_row = cmp::max(tail.row(), head.row());
2555 let start_column = cmp::min(tail.column(), goal_column);
2556 let end_column = cmp::max(tail.column(), goal_column);
2557 let reversed = start_column < tail.column();
2558
2559 let selection_ranges = (start_row.0..=end_row.0)
2560 .map(DisplayRow)
2561 .filter_map(|row| {
2562 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2563 let start = display_map
2564 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2565 .to_point(display_map);
2566 let end = display_map
2567 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2568 .to_point(display_map);
2569 if reversed {
2570 Some(end..start)
2571 } else {
2572 Some(start..end)
2573 }
2574 } else {
2575 None
2576 }
2577 })
2578 .collect::<Vec<_>>();
2579
2580 self.change_selections(None, window, cx, |s| {
2581 s.select_ranges(selection_ranges);
2582 });
2583 cx.notify();
2584 }
2585
2586 pub fn has_pending_nonempty_selection(&self) -> bool {
2587 let pending_nonempty_selection = match self.selections.pending_anchor() {
2588 Some(Selection { start, end, .. }) => start != end,
2589 None => false,
2590 };
2591
2592 pending_nonempty_selection
2593 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2594 }
2595
2596 pub fn has_pending_selection(&self) -> bool {
2597 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2598 }
2599
2600 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2601 self.selection_mark_mode = false;
2602
2603 if self.clear_expanded_diff_hunks(cx) {
2604 cx.notify();
2605 return;
2606 }
2607 if self.dismiss_menus_and_popups(true, window, cx) {
2608 return;
2609 }
2610
2611 if self.mode == EditorMode::Full
2612 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2613 {
2614 return;
2615 }
2616
2617 cx.propagate();
2618 }
2619
2620 pub fn dismiss_menus_and_popups(
2621 &mut self,
2622 is_user_requested: bool,
2623 window: &mut Window,
2624 cx: &mut Context<Self>,
2625 ) -> bool {
2626 if self.take_rename(false, window, cx).is_some() {
2627 return true;
2628 }
2629
2630 if hide_hover(self, cx) {
2631 return true;
2632 }
2633
2634 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2635 return true;
2636 }
2637
2638 if self.hide_context_menu(window, cx).is_some() {
2639 return true;
2640 }
2641
2642 if self.mouse_context_menu.take().is_some() {
2643 return true;
2644 }
2645
2646 if is_user_requested && self.discard_inline_completion(true, cx) {
2647 return true;
2648 }
2649
2650 if self.snippet_stack.pop().is_some() {
2651 return true;
2652 }
2653
2654 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2655 self.dismiss_diagnostics(cx);
2656 return true;
2657 }
2658
2659 false
2660 }
2661
2662 fn linked_editing_ranges_for(
2663 &self,
2664 selection: Range<text::Anchor>,
2665 cx: &App,
2666 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2667 if self.linked_edit_ranges.is_empty() {
2668 return None;
2669 }
2670 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2671 selection.end.buffer_id.and_then(|end_buffer_id| {
2672 if selection.start.buffer_id != Some(end_buffer_id) {
2673 return None;
2674 }
2675 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2676 let snapshot = buffer.read(cx).snapshot();
2677 self.linked_edit_ranges
2678 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2679 .map(|ranges| (ranges, snapshot, buffer))
2680 })?;
2681 use text::ToOffset as TO;
2682 // find offset from the start of current range to current cursor position
2683 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2684
2685 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2686 let start_difference = start_offset - start_byte_offset;
2687 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2688 let end_difference = end_offset - start_byte_offset;
2689 // Current range has associated linked ranges.
2690 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2691 for range in linked_ranges.iter() {
2692 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2693 let end_offset = start_offset + end_difference;
2694 let start_offset = start_offset + start_difference;
2695 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2696 continue;
2697 }
2698 if self.selections.disjoint_anchor_ranges().any(|s| {
2699 if s.start.buffer_id != selection.start.buffer_id
2700 || s.end.buffer_id != selection.end.buffer_id
2701 {
2702 return false;
2703 }
2704 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2705 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2706 }) {
2707 continue;
2708 }
2709 let start = buffer_snapshot.anchor_after(start_offset);
2710 let end = buffer_snapshot.anchor_after(end_offset);
2711 linked_edits
2712 .entry(buffer.clone())
2713 .or_default()
2714 .push(start..end);
2715 }
2716 Some(linked_edits)
2717 }
2718
2719 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2720 let text: Arc<str> = text.into();
2721
2722 if self.read_only(cx) {
2723 return;
2724 }
2725
2726 let selections = self.selections.all_adjusted(cx);
2727 let mut bracket_inserted = false;
2728 let mut edits = Vec::new();
2729 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2730 let mut new_selections = Vec::with_capacity(selections.len());
2731 let mut new_autoclose_regions = Vec::new();
2732 let snapshot = self.buffer.read(cx).read(cx);
2733
2734 for (selection, autoclose_region) in
2735 self.selections_with_autoclose_regions(selections, &snapshot)
2736 {
2737 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2738 // Determine if the inserted text matches the opening or closing
2739 // bracket of any of this language's bracket pairs.
2740 let mut bracket_pair = None;
2741 let mut is_bracket_pair_start = false;
2742 let mut is_bracket_pair_end = false;
2743 if !text.is_empty() {
2744 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2745 // and they are removing the character that triggered IME popup.
2746 for (pair, enabled) in scope.brackets() {
2747 if !pair.close && !pair.surround {
2748 continue;
2749 }
2750
2751 if enabled && pair.start.ends_with(text.as_ref()) {
2752 let prefix_len = pair.start.len() - text.len();
2753 let preceding_text_matches_prefix = prefix_len == 0
2754 || (selection.start.column >= (prefix_len as u32)
2755 && snapshot.contains_str_at(
2756 Point::new(
2757 selection.start.row,
2758 selection.start.column - (prefix_len as u32),
2759 ),
2760 &pair.start[..prefix_len],
2761 ));
2762 if preceding_text_matches_prefix {
2763 bracket_pair = Some(pair.clone());
2764 is_bracket_pair_start = true;
2765 break;
2766 }
2767 }
2768 if pair.end.as_str() == text.as_ref() {
2769 bracket_pair = Some(pair.clone());
2770 is_bracket_pair_end = true;
2771 break;
2772 }
2773 }
2774 }
2775
2776 if let Some(bracket_pair) = bracket_pair {
2777 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2778 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2779 let auto_surround =
2780 self.use_auto_surround && snapshot_settings.use_auto_surround;
2781 if selection.is_empty() {
2782 if is_bracket_pair_start {
2783 // If the inserted text is a suffix of an opening bracket and the
2784 // selection is preceded by the rest of the opening bracket, then
2785 // insert the closing bracket.
2786 let following_text_allows_autoclose = snapshot
2787 .chars_at(selection.start)
2788 .next()
2789 .map_or(true, |c| scope.should_autoclose_before(c));
2790
2791 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2792 && bracket_pair.start.len() == 1
2793 {
2794 let target = bracket_pair.start.chars().next().unwrap();
2795 let current_line_count = snapshot
2796 .reversed_chars_at(selection.start)
2797 .take_while(|&c| c != '\n')
2798 .filter(|&c| c == target)
2799 .count();
2800 current_line_count % 2 == 1
2801 } else {
2802 false
2803 };
2804
2805 if autoclose
2806 && bracket_pair.close
2807 && following_text_allows_autoclose
2808 && !is_closing_quote
2809 {
2810 let anchor = snapshot.anchor_before(selection.end);
2811 new_selections.push((selection.map(|_| anchor), text.len()));
2812 new_autoclose_regions.push((
2813 anchor,
2814 text.len(),
2815 selection.id,
2816 bracket_pair.clone(),
2817 ));
2818 edits.push((
2819 selection.range(),
2820 format!("{}{}", text, bracket_pair.end).into(),
2821 ));
2822 bracket_inserted = true;
2823 continue;
2824 }
2825 }
2826
2827 if let Some(region) = autoclose_region {
2828 // If the selection is followed by an auto-inserted closing bracket,
2829 // then don't insert that closing bracket again; just move the selection
2830 // past the closing bracket.
2831 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2832 && text.as_ref() == region.pair.end.as_str();
2833 if should_skip {
2834 let anchor = snapshot.anchor_after(selection.end);
2835 new_selections
2836 .push((selection.map(|_| anchor), region.pair.end.len()));
2837 continue;
2838 }
2839 }
2840
2841 let always_treat_brackets_as_autoclosed = snapshot
2842 .settings_at(selection.start, cx)
2843 .always_treat_brackets_as_autoclosed;
2844 if always_treat_brackets_as_autoclosed
2845 && is_bracket_pair_end
2846 && snapshot.contains_str_at(selection.end, text.as_ref())
2847 {
2848 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2849 // and the inserted text is a closing bracket and the selection is followed
2850 // by the closing bracket then move the selection past the closing bracket.
2851 let anchor = snapshot.anchor_after(selection.end);
2852 new_selections.push((selection.map(|_| anchor), text.len()));
2853 continue;
2854 }
2855 }
2856 // If an opening bracket is 1 character long and is typed while
2857 // text is selected, then surround that text with the bracket pair.
2858 else if auto_surround
2859 && bracket_pair.surround
2860 && is_bracket_pair_start
2861 && bracket_pair.start.chars().count() == 1
2862 {
2863 edits.push((selection.start..selection.start, text.clone()));
2864 edits.push((
2865 selection.end..selection.end,
2866 bracket_pair.end.as_str().into(),
2867 ));
2868 bracket_inserted = true;
2869 new_selections.push((
2870 Selection {
2871 id: selection.id,
2872 start: snapshot.anchor_after(selection.start),
2873 end: snapshot.anchor_before(selection.end),
2874 reversed: selection.reversed,
2875 goal: selection.goal,
2876 },
2877 0,
2878 ));
2879 continue;
2880 }
2881 }
2882 }
2883
2884 if self.auto_replace_emoji_shortcode
2885 && selection.is_empty()
2886 && text.as_ref().ends_with(':')
2887 {
2888 if let Some(possible_emoji_short_code) =
2889 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2890 {
2891 if !possible_emoji_short_code.is_empty() {
2892 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2893 let emoji_shortcode_start = Point::new(
2894 selection.start.row,
2895 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2896 );
2897
2898 // Remove shortcode from buffer
2899 edits.push((
2900 emoji_shortcode_start..selection.start,
2901 "".to_string().into(),
2902 ));
2903 new_selections.push((
2904 Selection {
2905 id: selection.id,
2906 start: snapshot.anchor_after(emoji_shortcode_start),
2907 end: snapshot.anchor_before(selection.start),
2908 reversed: selection.reversed,
2909 goal: selection.goal,
2910 },
2911 0,
2912 ));
2913
2914 // Insert emoji
2915 let selection_start_anchor = snapshot.anchor_after(selection.start);
2916 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2917 edits.push((selection.start..selection.end, emoji.to_string().into()));
2918
2919 continue;
2920 }
2921 }
2922 }
2923 }
2924
2925 // If not handling any auto-close operation, then just replace the selected
2926 // text with the given input and move the selection to the end of the
2927 // newly inserted text.
2928 let anchor = snapshot.anchor_after(selection.end);
2929 if !self.linked_edit_ranges.is_empty() {
2930 let start_anchor = snapshot.anchor_before(selection.start);
2931
2932 let is_word_char = text.chars().next().map_or(true, |char| {
2933 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2934 classifier.is_word(char)
2935 });
2936
2937 if is_word_char {
2938 if let Some(ranges) = self
2939 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2940 {
2941 for (buffer, edits) in ranges {
2942 linked_edits
2943 .entry(buffer.clone())
2944 .or_default()
2945 .extend(edits.into_iter().map(|range| (range, text.clone())));
2946 }
2947 }
2948 }
2949 }
2950
2951 new_selections.push((selection.map(|_| anchor), 0));
2952 edits.push((selection.start..selection.end, text.clone()));
2953 }
2954
2955 drop(snapshot);
2956
2957 self.transact(window, cx, |this, window, cx| {
2958 this.buffer.update(cx, |buffer, cx| {
2959 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2960 });
2961 for (buffer, edits) in linked_edits {
2962 buffer.update(cx, |buffer, cx| {
2963 let snapshot = buffer.snapshot();
2964 let edits = edits
2965 .into_iter()
2966 .map(|(range, text)| {
2967 use text::ToPoint as TP;
2968 let end_point = TP::to_point(&range.end, &snapshot);
2969 let start_point = TP::to_point(&range.start, &snapshot);
2970 (start_point..end_point, text)
2971 })
2972 .sorted_by_key(|(range, _)| range.start)
2973 .collect::<Vec<_>>();
2974 buffer.edit(edits, None, cx);
2975 })
2976 }
2977 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2978 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2979 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2980 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2981 .zip(new_selection_deltas)
2982 .map(|(selection, delta)| Selection {
2983 id: selection.id,
2984 start: selection.start + delta,
2985 end: selection.end + delta,
2986 reversed: selection.reversed,
2987 goal: SelectionGoal::None,
2988 })
2989 .collect::<Vec<_>>();
2990
2991 let mut i = 0;
2992 for (position, delta, selection_id, pair) in new_autoclose_regions {
2993 let position = position.to_offset(&map.buffer_snapshot) + delta;
2994 let start = map.buffer_snapshot.anchor_before(position);
2995 let end = map.buffer_snapshot.anchor_after(position);
2996 while let Some(existing_state) = this.autoclose_regions.get(i) {
2997 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2998 Ordering::Less => i += 1,
2999 Ordering::Greater => break,
3000 Ordering::Equal => {
3001 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
3002 Ordering::Less => i += 1,
3003 Ordering::Equal => break,
3004 Ordering::Greater => break,
3005 }
3006 }
3007 }
3008 }
3009 this.autoclose_regions.insert(
3010 i,
3011 AutocloseRegion {
3012 selection_id,
3013 range: start..end,
3014 pair,
3015 },
3016 );
3017 }
3018
3019 let had_active_inline_completion = this.has_active_inline_completion();
3020 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
3021 s.select(new_selections)
3022 });
3023
3024 if !bracket_inserted {
3025 if let Some(on_type_format_task) =
3026 this.trigger_on_type_formatting(text.to_string(), window, cx)
3027 {
3028 on_type_format_task.detach_and_log_err(cx);
3029 }
3030 }
3031
3032 let editor_settings = EditorSettings::get_global(cx);
3033 if bracket_inserted
3034 && (editor_settings.auto_signature_help
3035 || editor_settings.show_signature_help_after_edits)
3036 {
3037 this.show_signature_help(&ShowSignatureHelp, window, cx);
3038 }
3039
3040 let trigger_in_words =
3041 this.show_edit_predictions_in_menu() || !had_active_inline_completion;
3042 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3043 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3044 this.refresh_inline_completion(true, false, window, cx);
3045 });
3046 }
3047
3048 fn find_possible_emoji_shortcode_at_position(
3049 snapshot: &MultiBufferSnapshot,
3050 position: Point,
3051 ) -> Option<String> {
3052 let mut chars = Vec::new();
3053 let mut found_colon = false;
3054 for char in snapshot.reversed_chars_at(position).take(100) {
3055 // Found a possible emoji shortcode in the middle of the buffer
3056 if found_colon {
3057 if char.is_whitespace() {
3058 chars.reverse();
3059 return Some(chars.iter().collect());
3060 }
3061 // If the previous character is not a whitespace, we are in the middle of a word
3062 // and we only want to complete the shortcode if the word is made up of other emojis
3063 let mut containing_word = String::new();
3064 for ch in snapshot
3065 .reversed_chars_at(position)
3066 .skip(chars.len() + 1)
3067 .take(100)
3068 {
3069 if ch.is_whitespace() {
3070 break;
3071 }
3072 containing_word.push(ch);
3073 }
3074 let containing_word = containing_word.chars().rev().collect::<String>();
3075 if util::word_consists_of_emojis(containing_word.as_str()) {
3076 chars.reverse();
3077 return Some(chars.iter().collect());
3078 }
3079 }
3080
3081 if char.is_whitespace() || !char.is_ascii() {
3082 return None;
3083 }
3084 if char == ':' {
3085 found_colon = true;
3086 } else {
3087 chars.push(char);
3088 }
3089 }
3090 // Found a possible emoji shortcode at the beginning of the buffer
3091 chars.reverse();
3092 Some(chars.iter().collect())
3093 }
3094
3095 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3096 self.transact(window, cx, |this, window, cx| {
3097 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3098 let selections = this.selections.all::<usize>(cx);
3099 let multi_buffer = this.buffer.read(cx);
3100 let buffer = multi_buffer.snapshot(cx);
3101 selections
3102 .iter()
3103 .map(|selection| {
3104 let start_point = selection.start.to_point(&buffer);
3105 let mut indent =
3106 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3107 indent.len = cmp::min(indent.len, start_point.column);
3108 let start = selection.start;
3109 let end = selection.end;
3110 let selection_is_empty = start == end;
3111 let language_scope = buffer.language_scope_at(start);
3112 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3113 &language_scope
3114 {
3115 let leading_whitespace_len = buffer
3116 .reversed_chars_at(start)
3117 .take_while(|c| c.is_whitespace() && *c != '\n')
3118 .map(|c| c.len_utf8())
3119 .sum::<usize>();
3120
3121 let trailing_whitespace_len = buffer
3122 .chars_at(end)
3123 .take_while(|c| c.is_whitespace() && *c != '\n')
3124 .map(|c| c.len_utf8())
3125 .sum::<usize>();
3126
3127 let insert_extra_newline =
3128 language.brackets().any(|(pair, enabled)| {
3129 let pair_start = pair.start.trim_end();
3130 let pair_end = pair.end.trim_start();
3131
3132 enabled
3133 && pair.newline
3134 && buffer.contains_str_at(
3135 end + trailing_whitespace_len,
3136 pair_end,
3137 )
3138 && buffer.contains_str_at(
3139 (start - leading_whitespace_len)
3140 .saturating_sub(pair_start.len()),
3141 pair_start,
3142 )
3143 });
3144
3145 // Comment extension on newline is allowed only for cursor selections
3146 let comment_delimiter = maybe!({
3147 if !selection_is_empty {
3148 return None;
3149 }
3150
3151 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3152 return None;
3153 }
3154
3155 let delimiters = language.line_comment_prefixes();
3156 let max_len_of_delimiter =
3157 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3158 let (snapshot, range) =
3159 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3160
3161 let mut index_of_first_non_whitespace = 0;
3162 let comment_candidate = snapshot
3163 .chars_for_range(range)
3164 .skip_while(|c| {
3165 let should_skip = c.is_whitespace();
3166 if should_skip {
3167 index_of_first_non_whitespace += 1;
3168 }
3169 should_skip
3170 })
3171 .take(max_len_of_delimiter)
3172 .collect::<String>();
3173 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3174 comment_candidate.starts_with(comment_prefix.as_ref())
3175 })?;
3176 let cursor_is_placed_after_comment_marker =
3177 index_of_first_non_whitespace + comment_prefix.len()
3178 <= start_point.column as usize;
3179 if cursor_is_placed_after_comment_marker {
3180 Some(comment_prefix.clone())
3181 } else {
3182 None
3183 }
3184 });
3185 (comment_delimiter, insert_extra_newline)
3186 } else {
3187 (None, false)
3188 };
3189
3190 let capacity_for_delimiter = comment_delimiter
3191 .as_deref()
3192 .map(str::len)
3193 .unwrap_or_default();
3194 let mut new_text =
3195 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3196 new_text.push('\n');
3197 new_text.extend(indent.chars());
3198 if let Some(delimiter) = &comment_delimiter {
3199 new_text.push_str(delimiter);
3200 }
3201 if insert_extra_newline {
3202 new_text = new_text.repeat(2);
3203 }
3204
3205 let anchor = buffer.anchor_after(end);
3206 let new_selection = selection.map(|_| anchor);
3207 (
3208 (start..end, new_text),
3209 (insert_extra_newline, new_selection),
3210 )
3211 })
3212 .unzip()
3213 };
3214
3215 this.edit_with_autoindent(edits, cx);
3216 let buffer = this.buffer.read(cx).snapshot(cx);
3217 let new_selections = selection_fixup_info
3218 .into_iter()
3219 .map(|(extra_newline_inserted, new_selection)| {
3220 let mut cursor = new_selection.end.to_point(&buffer);
3221 if extra_newline_inserted {
3222 cursor.row -= 1;
3223 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3224 }
3225 new_selection.map(|_| cursor)
3226 })
3227 .collect();
3228
3229 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3230 s.select(new_selections)
3231 });
3232 this.refresh_inline_completion(true, false, window, cx);
3233 });
3234 }
3235
3236 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3237 let buffer = self.buffer.read(cx);
3238 let snapshot = buffer.snapshot(cx);
3239
3240 let mut edits = Vec::new();
3241 let mut rows = Vec::new();
3242
3243 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3244 let cursor = selection.head();
3245 let row = cursor.row;
3246
3247 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3248
3249 let newline = "\n".to_string();
3250 edits.push((start_of_line..start_of_line, newline));
3251
3252 rows.push(row + rows_inserted as u32);
3253 }
3254
3255 self.transact(window, cx, |editor, window, cx| {
3256 editor.edit(edits, cx);
3257
3258 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3259 let mut index = 0;
3260 s.move_cursors_with(|map, _, _| {
3261 let row = rows[index];
3262 index += 1;
3263
3264 let point = Point::new(row, 0);
3265 let boundary = map.next_line_boundary(point).1;
3266 let clipped = map.clip_point(boundary, Bias::Left);
3267
3268 (clipped, SelectionGoal::None)
3269 });
3270 });
3271
3272 let mut indent_edits = Vec::new();
3273 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3274 for row in rows {
3275 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3276 for (row, indent) in indents {
3277 if indent.len == 0 {
3278 continue;
3279 }
3280
3281 let text = match indent.kind {
3282 IndentKind::Space => " ".repeat(indent.len as usize),
3283 IndentKind::Tab => "\t".repeat(indent.len as usize),
3284 };
3285 let point = Point::new(row.0, 0);
3286 indent_edits.push((point..point, text));
3287 }
3288 }
3289 editor.edit(indent_edits, cx);
3290 });
3291 }
3292
3293 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3294 let buffer = self.buffer.read(cx);
3295 let snapshot = buffer.snapshot(cx);
3296
3297 let mut edits = Vec::new();
3298 let mut rows = Vec::new();
3299 let mut rows_inserted = 0;
3300
3301 for selection in self.selections.all_adjusted(cx) {
3302 let cursor = selection.head();
3303 let row = cursor.row;
3304
3305 let point = Point::new(row + 1, 0);
3306 let start_of_line = snapshot.clip_point(point, Bias::Left);
3307
3308 let newline = "\n".to_string();
3309 edits.push((start_of_line..start_of_line, newline));
3310
3311 rows_inserted += 1;
3312 rows.push(row + rows_inserted);
3313 }
3314
3315 self.transact(window, cx, |editor, window, cx| {
3316 editor.edit(edits, cx);
3317
3318 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3319 let mut index = 0;
3320 s.move_cursors_with(|map, _, _| {
3321 let row = rows[index];
3322 index += 1;
3323
3324 let point = Point::new(row, 0);
3325 let boundary = map.next_line_boundary(point).1;
3326 let clipped = map.clip_point(boundary, Bias::Left);
3327
3328 (clipped, SelectionGoal::None)
3329 });
3330 });
3331
3332 let mut indent_edits = Vec::new();
3333 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3334 for row in rows {
3335 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3336 for (row, indent) in indents {
3337 if indent.len == 0 {
3338 continue;
3339 }
3340
3341 let text = match indent.kind {
3342 IndentKind::Space => " ".repeat(indent.len as usize),
3343 IndentKind::Tab => "\t".repeat(indent.len as usize),
3344 };
3345 let point = Point::new(row.0, 0);
3346 indent_edits.push((point..point, text));
3347 }
3348 }
3349 editor.edit(indent_edits, cx);
3350 });
3351 }
3352
3353 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3354 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3355 original_indent_columns: Vec::new(),
3356 });
3357 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3358 }
3359
3360 fn insert_with_autoindent_mode(
3361 &mut self,
3362 text: &str,
3363 autoindent_mode: Option<AutoindentMode>,
3364 window: &mut Window,
3365 cx: &mut Context<Self>,
3366 ) {
3367 if self.read_only(cx) {
3368 return;
3369 }
3370
3371 let text: Arc<str> = text.into();
3372 self.transact(window, cx, |this, window, cx| {
3373 let old_selections = this.selections.all_adjusted(cx);
3374 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3375 let anchors = {
3376 let snapshot = buffer.read(cx);
3377 old_selections
3378 .iter()
3379 .map(|s| {
3380 let anchor = snapshot.anchor_after(s.head());
3381 s.map(|_| anchor)
3382 })
3383 .collect::<Vec<_>>()
3384 };
3385 buffer.edit(
3386 old_selections
3387 .iter()
3388 .map(|s| (s.start..s.end, text.clone())),
3389 autoindent_mode,
3390 cx,
3391 );
3392 anchors
3393 });
3394
3395 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3396 s.select_anchors(selection_anchors);
3397 });
3398
3399 cx.notify();
3400 });
3401 }
3402
3403 fn trigger_completion_on_input(
3404 &mut self,
3405 text: &str,
3406 trigger_in_words: bool,
3407 window: &mut Window,
3408 cx: &mut Context<Self>,
3409 ) {
3410 if self.is_completion_trigger(text, trigger_in_words, cx) {
3411 self.show_completions(
3412 &ShowCompletions {
3413 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3414 },
3415 window,
3416 cx,
3417 );
3418 } else {
3419 self.hide_context_menu(window, cx);
3420 }
3421 }
3422
3423 fn is_completion_trigger(
3424 &self,
3425 text: &str,
3426 trigger_in_words: bool,
3427 cx: &mut Context<Self>,
3428 ) -> bool {
3429 let position = self.selections.newest_anchor().head();
3430 let multibuffer = self.buffer.read(cx);
3431 let Some(buffer) = position
3432 .buffer_id
3433 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3434 else {
3435 return false;
3436 };
3437
3438 if let Some(completion_provider) = &self.completion_provider {
3439 completion_provider.is_completion_trigger(
3440 &buffer,
3441 position.text_anchor,
3442 text,
3443 trigger_in_words,
3444 cx,
3445 )
3446 } else {
3447 false
3448 }
3449 }
3450
3451 /// If any empty selections is touching the start of its innermost containing autoclose
3452 /// region, expand it to select the brackets.
3453 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3454 let selections = self.selections.all::<usize>(cx);
3455 let buffer = self.buffer.read(cx).read(cx);
3456 let new_selections = self
3457 .selections_with_autoclose_regions(selections, &buffer)
3458 .map(|(mut selection, region)| {
3459 if !selection.is_empty() {
3460 return selection;
3461 }
3462
3463 if let Some(region) = region {
3464 let mut range = region.range.to_offset(&buffer);
3465 if selection.start == range.start && range.start >= region.pair.start.len() {
3466 range.start -= region.pair.start.len();
3467 if buffer.contains_str_at(range.start, ®ion.pair.start)
3468 && buffer.contains_str_at(range.end, ®ion.pair.end)
3469 {
3470 range.end += region.pair.end.len();
3471 selection.start = range.start;
3472 selection.end = range.end;
3473
3474 return selection;
3475 }
3476 }
3477 }
3478
3479 let always_treat_brackets_as_autoclosed = buffer
3480 .settings_at(selection.start, cx)
3481 .always_treat_brackets_as_autoclosed;
3482
3483 if !always_treat_brackets_as_autoclosed {
3484 return selection;
3485 }
3486
3487 if let Some(scope) = buffer.language_scope_at(selection.start) {
3488 for (pair, enabled) in scope.brackets() {
3489 if !enabled || !pair.close {
3490 continue;
3491 }
3492
3493 if buffer.contains_str_at(selection.start, &pair.end) {
3494 let pair_start_len = pair.start.len();
3495 if buffer.contains_str_at(
3496 selection.start.saturating_sub(pair_start_len),
3497 &pair.start,
3498 ) {
3499 selection.start -= pair_start_len;
3500 selection.end += pair.end.len();
3501
3502 return selection;
3503 }
3504 }
3505 }
3506 }
3507
3508 selection
3509 })
3510 .collect();
3511
3512 drop(buffer);
3513 self.change_selections(None, window, cx, |selections| {
3514 selections.select(new_selections)
3515 });
3516 }
3517
3518 /// Iterate the given selections, and for each one, find the smallest surrounding
3519 /// autoclose region. This uses the ordering of the selections and the autoclose
3520 /// regions to avoid repeated comparisons.
3521 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3522 &'a self,
3523 selections: impl IntoIterator<Item = Selection<D>>,
3524 buffer: &'a MultiBufferSnapshot,
3525 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3526 let mut i = 0;
3527 let mut regions = self.autoclose_regions.as_slice();
3528 selections.into_iter().map(move |selection| {
3529 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3530
3531 let mut enclosing = None;
3532 while let Some(pair_state) = regions.get(i) {
3533 if pair_state.range.end.to_offset(buffer) < range.start {
3534 regions = ®ions[i + 1..];
3535 i = 0;
3536 } else if pair_state.range.start.to_offset(buffer) > range.end {
3537 break;
3538 } else {
3539 if pair_state.selection_id == selection.id {
3540 enclosing = Some(pair_state);
3541 }
3542 i += 1;
3543 }
3544 }
3545
3546 (selection, enclosing)
3547 })
3548 }
3549
3550 /// Remove any autoclose regions that no longer contain their selection.
3551 fn invalidate_autoclose_regions(
3552 &mut self,
3553 mut selections: &[Selection<Anchor>],
3554 buffer: &MultiBufferSnapshot,
3555 ) {
3556 self.autoclose_regions.retain(|state| {
3557 let mut i = 0;
3558 while let Some(selection) = selections.get(i) {
3559 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3560 selections = &selections[1..];
3561 continue;
3562 }
3563 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3564 break;
3565 }
3566 if selection.id == state.selection_id {
3567 return true;
3568 } else {
3569 i += 1;
3570 }
3571 }
3572 false
3573 });
3574 }
3575
3576 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3577 let offset = position.to_offset(buffer);
3578 let (word_range, kind) = buffer.surrounding_word(offset, true);
3579 if offset > word_range.start && kind == Some(CharKind::Word) {
3580 Some(
3581 buffer
3582 .text_for_range(word_range.start..offset)
3583 .collect::<String>(),
3584 )
3585 } else {
3586 None
3587 }
3588 }
3589
3590 pub fn toggle_inlay_hints(
3591 &mut self,
3592 _: &ToggleInlayHints,
3593 _: &mut Window,
3594 cx: &mut Context<Self>,
3595 ) {
3596 self.refresh_inlay_hints(
3597 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3598 cx,
3599 );
3600 }
3601
3602 pub fn inlay_hints_enabled(&self) -> bool {
3603 self.inlay_hint_cache.enabled
3604 }
3605
3606 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3607 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3608 return;
3609 }
3610
3611 let reason_description = reason.description();
3612 let ignore_debounce = matches!(
3613 reason,
3614 InlayHintRefreshReason::SettingsChange(_)
3615 | InlayHintRefreshReason::Toggle(_)
3616 | InlayHintRefreshReason::ExcerptsRemoved(_)
3617 );
3618 let (invalidate_cache, required_languages) = match reason {
3619 InlayHintRefreshReason::Toggle(enabled) => {
3620 self.inlay_hint_cache.enabled = enabled;
3621 if enabled {
3622 (InvalidationStrategy::RefreshRequested, None)
3623 } else {
3624 self.inlay_hint_cache.clear();
3625 self.splice_inlays(
3626 &self
3627 .visible_inlay_hints(cx)
3628 .iter()
3629 .map(|inlay| inlay.id)
3630 .collect::<Vec<InlayId>>(),
3631 Vec::new(),
3632 cx,
3633 );
3634 return;
3635 }
3636 }
3637 InlayHintRefreshReason::SettingsChange(new_settings) => {
3638 match self.inlay_hint_cache.update_settings(
3639 &self.buffer,
3640 new_settings,
3641 self.visible_inlay_hints(cx),
3642 cx,
3643 ) {
3644 ControlFlow::Break(Some(InlaySplice {
3645 to_remove,
3646 to_insert,
3647 })) => {
3648 self.splice_inlays(&to_remove, to_insert, cx);
3649 return;
3650 }
3651 ControlFlow::Break(None) => return,
3652 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3653 }
3654 }
3655 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3656 if let Some(InlaySplice {
3657 to_remove,
3658 to_insert,
3659 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3660 {
3661 self.splice_inlays(&to_remove, to_insert, cx);
3662 }
3663 return;
3664 }
3665 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3666 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3667 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3668 }
3669 InlayHintRefreshReason::RefreshRequested => {
3670 (InvalidationStrategy::RefreshRequested, None)
3671 }
3672 };
3673
3674 if let Some(InlaySplice {
3675 to_remove,
3676 to_insert,
3677 }) = self.inlay_hint_cache.spawn_hint_refresh(
3678 reason_description,
3679 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3680 invalidate_cache,
3681 ignore_debounce,
3682 cx,
3683 ) {
3684 self.splice_inlays(&to_remove, to_insert, cx);
3685 }
3686 }
3687
3688 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3689 self.display_map
3690 .read(cx)
3691 .current_inlays()
3692 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3693 .cloned()
3694 .collect()
3695 }
3696
3697 pub fn excerpts_for_inlay_hints_query(
3698 &self,
3699 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3700 cx: &mut Context<Editor>,
3701 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3702 let Some(project) = self.project.as_ref() else {
3703 return HashMap::default();
3704 };
3705 let project = project.read(cx);
3706 let multi_buffer = self.buffer().read(cx);
3707 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3708 let multi_buffer_visible_start = self
3709 .scroll_manager
3710 .anchor()
3711 .anchor
3712 .to_point(&multi_buffer_snapshot);
3713 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3714 multi_buffer_visible_start
3715 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3716 Bias::Left,
3717 );
3718 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3719 multi_buffer_snapshot
3720 .range_to_buffer_ranges(multi_buffer_visible_range)
3721 .into_iter()
3722 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3723 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3724 let buffer_file = project::File::from_dyn(buffer.file())?;
3725 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3726 let worktree_entry = buffer_worktree
3727 .read(cx)
3728 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3729 if worktree_entry.is_ignored {
3730 return None;
3731 }
3732
3733 let language = buffer.language()?;
3734 if let Some(restrict_to_languages) = restrict_to_languages {
3735 if !restrict_to_languages.contains(language) {
3736 return None;
3737 }
3738 }
3739 Some((
3740 excerpt_id,
3741 (
3742 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3743 buffer.version().clone(),
3744 excerpt_visible_range,
3745 ),
3746 ))
3747 })
3748 .collect()
3749 }
3750
3751 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3752 TextLayoutDetails {
3753 text_system: window.text_system().clone(),
3754 editor_style: self.style.clone().unwrap(),
3755 rem_size: window.rem_size(),
3756 scroll_anchor: self.scroll_manager.anchor(),
3757 visible_rows: self.visible_line_count(),
3758 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3759 }
3760 }
3761
3762 pub fn splice_inlays(
3763 &self,
3764 to_remove: &[InlayId],
3765 to_insert: Vec<Inlay>,
3766 cx: &mut Context<Self>,
3767 ) {
3768 self.display_map.update(cx, |display_map, cx| {
3769 display_map.splice_inlays(to_remove, to_insert, cx)
3770 });
3771 cx.notify();
3772 }
3773
3774 fn trigger_on_type_formatting(
3775 &self,
3776 input: String,
3777 window: &mut Window,
3778 cx: &mut Context<Self>,
3779 ) -> Option<Task<Result<()>>> {
3780 if input.len() != 1 {
3781 return None;
3782 }
3783
3784 let project = self.project.as_ref()?;
3785 let position = self.selections.newest_anchor().head();
3786 let (buffer, buffer_position) = self
3787 .buffer
3788 .read(cx)
3789 .text_anchor_for_position(position, cx)?;
3790
3791 let settings = language_settings::language_settings(
3792 buffer
3793 .read(cx)
3794 .language_at(buffer_position)
3795 .map(|l| l.name()),
3796 buffer.read(cx).file(),
3797 cx,
3798 );
3799 if !settings.use_on_type_format {
3800 return None;
3801 }
3802
3803 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3804 // hence we do LSP request & edit on host side only — add formats to host's history.
3805 let push_to_lsp_host_history = true;
3806 // If this is not the host, append its history with new edits.
3807 let push_to_client_history = project.read(cx).is_via_collab();
3808
3809 let on_type_formatting = project.update(cx, |project, cx| {
3810 project.on_type_format(
3811 buffer.clone(),
3812 buffer_position,
3813 input,
3814 push_to_lsp_host_history,
3815 cx,
3816 )
3817 });
3818 Some(cx.spawn_in(window, |editor, mut cx| async move {
3819 if let Some(transaction) = on_type_formatting.await? {
3820 if push_to_client_history {
3821 buffer
3822 .update(&mut cx, |buffer, _| {
3823 buffer.push_transaction(transaction, Instant::now());
3824 })
3825 .ok();
3826 }
3827 editor.update(&mut cx, |editor, cx| {
3828 editor.refresh_document_highlights(cx);
3829 })?;
3830 }
3831 Ok(())
3832 }))
3833 }
3834
3835 pub fn show_completions(
3836 &mut self,
3837 options: &ShowCompletions,
3838 window: &mut Window,
3839 cx: &mut Context<Self>,
3840 ) {
3841 if self.pending_rename.is_some() {
3842 return;
3843 }
3844
3845 let Some(provider) = self.completion_provider.as_ref() else {
3846 return;
3847 };
3848
3849 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3850 return;
3851 }
3852
3853 let position = self.selections.newest_anchor().head();
3854 if position.diff_base_anchor.is_some() {
3855 return;
3856 }
3857 let (buffer, buffer_position) =
3858 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3859 output
3860 } else {
3861 return;
3862 };
3863 let show_completion_documentation = buffer
3864 .read(cx)
3865 .snapshot()
3866 .settings_at(buffer_position, cx)
3867 .show_completion_documentation;
3868
3869 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3870
3871 let trigger_kind = match &options.trigger {
3872 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3873 CompletionTriggerKind::TRIGGER_CHARACTER
3874 }
3875 _ => CompletionTriggerKind::INVOKED,
3876 };
3877 let completion_context = CompletionContext {
3878 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3879 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3880 Some(String::from(trigger))
3881 } else {
3882 None
3883 }
3884 }),
3885 trigger_kind,
3886 };
3887 let completions =
3888 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3889 let sort_completions = provider.sort_completions();
3890
3891 let id = post_inc(&mut self.next_completion_id);
3892 let task = cx.spawn_in(window, |editor, mut cx| {
3893 async move {
3894 editor.update(&mut cx, |this, _| {
3895 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3896 })?;
3897 let completions = completions.await.log_err();
3898 let menu = if let Some(completions) = completions {
3899 let mut menu = CompletionsMenu::new(
3900 id,
3901 sort_completions,
3902 show_completion_documentation,
3903 position,
3904 buffer.clone(),
3905 completions.into(),
3906 );
3907
3908 menu.filter(query.as_deref(), cx.background_executor().clone())
3909 .await;
3910
3911 menu.visible().then_some(menu)
3912 } else {
3913 None
3914 };
3915
3916 editor.update_in(&mut cx, |editor, window, cx| {
3917 match editor.context_menu.borrow().as_ref() {
3918 None => {}
3919 Some(CodeContextMenu::Completions(prev_menu)) => {
3920 if prev_menu.id > id {
3921 return;
3922 }
3923 }
3924 _ => return,
3925 }
3926
3927 if editor.focus_handle.is_focused(window) && menu.is_some() {
3928 let mut menu = menu.unwrap();
3929 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3930
3931 *editor.context_menu.borrow_mut() =
3932 Some(CodeContextMenu::Completions(menu));
3933
3934 if editor.show_edit_predictions_in_menu() {
3935 editor.update_visible_inline_completion(window, cx);
3936 } else {
3937 editor.discard_inline_completion(false, cx);
3938 }
3939
3940 cx.notify();
3941 } else if editor.completion_tasks.len() <= 1 {
3942 // If there are no more completion tasks and the last menu was
3943 // empty, we should hide it.
3944 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3945 // If it was already hidden and we don't show inline
3946 // completions in the menu, we should also show the
3947 // inline-completion when available.
3948 if was_hidden && editor.show_edit_predictions_in_menu() {
3949 editor.update_visible_inline_completion(window, cx);
3950 }
3951 }
3952 })?;
3953
3954 Ok::<_, anyhow::Error>(())
3955 }
3956 .log_err()
3957 });
3958
3959 self.completion_tasks.push((id, task));
3960 }
3961
3962 pub fn confirm_completion(
3963 &mut self,
3964 action: &ConfirmCompletion,
3965 window: &mut Window,
3966 cx: &mut Context<Self>,
3967 ) -> Option<Task<Result<()>>> {
3968 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3969 }
3970
3971 pub fn compose_completion(
3972 &mut self,
3973 action: &ComposeCompletion,
3974 window: &mut Window,
3975 cx: &mut Context<Self>,
3976 ) -> Option<Task<Result<()>>> {
3977 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
3978 }
3979
3980 fn do_completion(
3981 &mut self,
3982 item_ix: Option<usize>,
3983 intent: CompletionIntent,
3984 window: &mut Window,
3985 cx: &mut Context<Editor>,
3986 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3987 use language::ToOffset as _;
3988
3989 let completions_menu =
3990 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
3991 menu
3992 } else {
3993 return None;
3994 };
3995
3996 let entries = completions_menu.entries.borrow();
3997 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
3998 if self.show_edit_predictions_in_menu() {
3999 self.discard_inline_completion(true, cx);
4000 }
4001 let candidate_id = mat.candidate_id;
4002 drop(entries);
4003
4004 let buffer_handle = completions_menu.buffer;
4005 let completion = completions_menu
4006 .completions
4007 .borrow()
4008 .get(candidate_id)?
4009 .clone();
4010 cx.stop_propagation();
4011
4012 let snippet;
4013 let text;
4014
4015 if completion.is_snippet() {
4016 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4017 text = snippet.as_ref().unwrap().text.clone();
4018 } else {
4019 snippet = None;
4020 text = completion.new_text.clone();
4021 };
4022 let selections = self.selections.all::<usize>(cx);
4023 let buffer = buffer_handle.read(cx);
4024 let old_range = completion.old_range.to_offset(buffer);
4025 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4026
4027 let newest_selection = self.selections.newest_anchor();
4028 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4029 return None;
4030 }
4031
4032 let lookbehind = newest_selection
4033 .start
4034 .text_anchor
4035 .to_offset(buffer)
4036 .saturating_sub(old_range.start);
4037 let lookahead = old_range
4038 .end
4039 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4040 let mut common_prefix_len = old_text
4041 .bytes()
4042 .zip(text.bytes())
4043 .take_while(|(a, b)| a == b)
4044 .count();
4045
4046 let snapshot = self.buffer.read(cx).snapshot(cx);
4047 let mut range_to_replace: Option<Range<isize>> = None;
4048 let mut ranges = Vec::new();
4049 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4050 for selection in &selections {
4051 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4052 let start = selection.start.saturating_sub(lookbehind);
4053 let end = selection.end + lookahead;
4054 if selection.id == newest_selection.id {
4055 range_to_replace = Some(
4056 ((start + common_prefix_len) as isize - selection.start as isize)
4057 ..(end as isize - selection.start as isize),
4058 );
4059 }
4060 ranges.push(start + common_prefix_len..end);
4061 } else {
4062 common_prefix_len = 0;
4063 ranges.clear();
4064 ranges.extend(selections.iter().map(|s| {
4065 if s.id == newest_selection.id {
4066 range_to_replace = Some(
4067 old_range.start.to_offset_utf16(&snapshot).0 as isize
4068 - selection.start as isize
4069 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4070 - selection.start as isize,
4071 );
4072 old_range.clone()
4073 } else {
4074 s.start..s.end
4075 }
4076 }));
4077 break;
4078 }
4079 if !self.linked_edit_ranges.is_empty() {
4080 let start_anchor = snapshot.anchor_before(selection.head());
4081 let end_anchor = snapshot.anchor_after(selection.tail());
4082 if let Some(ranges) = self
4083 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4084 {
4085 for (buffer, edits) in ranges {
4086 linked_edits.entry(buffer.clone()).or_default().extend(
4087 edits
4088 .into_iter()
4089 .map(|range| (range, text[common_prefix_len..].to_owned())),
4090 );
4091 }
4092 }
4093 }
4094 }
4095 let text = &text[common_prefix_len..];
4096
4097 cx.emit(EditorEvent::InputHandled {
4098 utf16_range_to_replace: range_to_replace,
4099 text: text.into(),
4100 });
4101
4102 self.transact(window, cx, |this, window, cx| {
4103 if let Some(mut snippet) = snippet {
4104 snippet.text = text.to_string();
4105 for tabstop in snippet
4106 .tabstops
4107 .iter_mut()
4108 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4109 {
4110 tabstop.start -= common_prefix_len as isize;
4111 tabstop.end -= common_prefix_len as isize;
4112 }
4113
4114 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4115 } else {
4116 this.buffer.update(cx, |buffer, cx| {
4117 buffer.edit(
4118 ranges.iter().map(|range| (range.clone(), text)),
4119 this.autoindent_mode.clone(),
4120 cx,
4121 );
4122 });
4123 }
4124 for (buffer, edits) in linked_edits {
4125 buffer.update(cx, |buffer, cx| {
4126 let snapshot = buffer.snapshot();
4127 let edits = edits
4128 .into_iter()
4129 .map(|(range, text)| {
4130 use text::ToPoint as TP;
4131 let end_point = TP::to_point(&range.end, &snapshot);
4132 let start_point = TP::to_point(&range.start, &snapshot);
4133 (start_point..end_point, text)
4134 })
4135 .sorted_by_key(|(range, _)| range.start)
4136 .collect::<Vec<_>>();
4137 buffer.edit(edits, None, cx);
4138 })
4139 }
4140
4141 this.refresh_inline_completion(true, false, window, cx);
4142 });
4143
4144 let show_new_completions_on_confirm = completion
4145 .confirm
4146 .as_ref()
4147 .map_or(false, |confirm| confirm(intent, window, cx));
4148 if show_new_completions_on_confirm {
4149 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4150 }
4151
4152 let provider = self.completion_provider.as_ref()?;
4153 drop(completion);
4154 let apply_edits = provider.apply_additional_edits_for_completion(
4155 buffer_handle,
4156 completions_menu.completions.clone(),
4157 candidate_id,
4158 true,
4159 cx,
4160 );
4161
4162 let editor_settings = EditorSettings::get_global(cx);
4163 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4164 // After the code completion is finished, users often want to know what signatures are needed.
4165 // so we should automatically call signature_help
4166 self.show_signature_help(&ShowSignatureHelp, window, cx);
4167 }
4168
4169 Some(cx.foreground_executor().spawn(async move {
4170 apply_edits.await?;
4171 Ok(())
4172 }))
4173 }
4174
4175 pub fn toggle_code_actions(
4176 &mut self,
4177 action: &ToggleCodeActions,
4178 window: &mut Window,
4179 cx: &mut Context<Self>,
4180 ) {
4181 let mut context_menu = self.context_menu.borrow_mut();
4182 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4183 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4184 // Toggle if we're selecting the same one
4185 *context_menu = None;
4186 cx.notify();
4187 return;
4188 } else {
4189 // Otherwise, clear it and start a new one
4190 *context_menu = None;
4191 cx.notify();
4192 }
4193 }
4194 drop(context_menu);
4195 let snapshot = self.snapshot(window, cx);
4196 let deployed_from_indicator = action.deployed_from_indicator;
4197 let mut task = self.code_actions_task.take();
4198 let action = action.clone();
4199 cx.spawn_in(window, |editor, mut cx| async move {
4200 while let Some(prev_task) = task {
4201 prev_task.await.log_err();
4202 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4203 }
4204
4205 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4206 if editor.focus_handle.is_focused(window) {
4207 let multibuffer_point = action
4208 .deployed_from_indicator
4209 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4210 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4211 let (buffer, buffer_row) = snapshot
4212 .buffer_snapshot
4213 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4214 .and_then(|(buffer_snapshot, range)| {
4215 editor
4216 .buffer
4217 .read(cx)
4218 .buffer(buffer_snapshot.remote_id())
4219 .map(|buffer| (buffer, range.start.row))
4220 })?;
4221 let (_, code_actions) = editor
4222 .available_code_actions
4223 .clone()
4224 .and_then(|(location, code_actions)| {
4225 let snapshot = location.buffer.read(cx).snapshot();
4226 let point_range = location.range.to_point(&snapshot);
4227 let point_range = point_range.start.row..=point_range.end.row;
4228 if point_range.contains(&buffer_row) {
4229 Some((location, code_actions))
4230 } else {
4231 None
4232 }
4233 })
4234 .unzip();
4235 let buffer_id = buffer.read(cx).remote_id();
4236 let tasks = editor
4237 .tasks
4238 .get(&(buffer_id, buffer_row))
4239 .map(|t| Arc::new(t.to_owned()));
4240 if tasks.is_none() && code_actions.is_none() {
4241 return None;
4242 }
4243
4244 editor.completion_tasks.clear();
4245 editor.discard_inline_completion(false, cx);
4246 let task_context =
4247 tasks
4248 .as_ref()
4249 .zip(editor.project.clone())
4250 .map(|(tasks, project)| {
4251 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4252 });
4253
4254 Some(cx.spawn_in(window, |editor, mut cx| async move {
4255 let task_context = match task_context {
4256 Some(task_context) => task_context.await,
4257 None => None,
4258 };
4259 let resolved_tasks =
4260 tasks.zip(task_context).map(|(tasks, task_context)| {
4261 Rc::new(ResolvedTasks {
4262 templates: tasks.resolve(&task_context).collect(),
4263 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4264 multibuffer_point.row,
4265 tasks.column,
4266 )),
4267 })
4268 });
4269 let spawn_straight_away = resolved_tasks
4270 .as_ref()
4271 .map_or(false, |tasks| tasks.templates.len() == 1)
4272 && code_actions
4273 .as_ref()
4274 .map_or(true, |actions| actions.is_empty());
4275 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4276 *editor.context_menu.borrow_mut() =
4277 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4278 buffer,
4279 actions: CodeActionContents {
4280 tasks: resolved_tasks,
4281 actions: code_actions,
4282 },
4283 selected_item: Default::default(),
4284 scroll_handle: UniformListScrollHandle::default(),
4285 deployed_from_indicator,
4286 }));
4287 if spawn_straight_away {
4288 if let Some(task) = editor.confirm_code_action(
4289 &ConfirmCodeAction { item_ix: Some(0) },
4290 window,
4291 cx,
4292 ) {
4293 cx.notify();
4294 return task;
4295 }
4296 }
4297 cx.notify();
4298 Task::ready(Ok(()))
4299 }) {
4300 task.await
4301 } else {
4302 Ok(())
4303 }
4304 }))
4305 } else {
4306 Some(Task::ready(Ok(())))
4307 }
4308 })?;
4309 if let Some(task) = spawned_test_task {
4310 task.await?;
4311 }
4312
4313 Ok::<_, anyhow::Error>(())
4314 })
4315 .detach_and_log_err(cx);
4316 }
4317
4318 pub fn confirm_code_action(
4319 &mut self,
4320 action: &ConfirmCodeAction,
4321 window: &mut Window,
4322 cx: &mut Context<Self>,
4323 ) -> Option<Task<Result<()>>> {
4324 let actions_menu =
4325 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4326 menu
4327 } else {
4328 return None;
4329 };
4330 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4331 let action = actions_menu.actions.get(action_ix)?;
4332 let title = action.label();
4333 let buffer = actions_menu.buffer;
4334 let workspace = self.workspace()?;
4335
4336 match action {
4337 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4338 workspace.update(cx, |workspace, cx| {
4339 workspace::tasks::schedule_resolved_task(
4340 workspace,
4341 task_source_kind,
4342 resolved_task,
4343 false,
4344 cx,
4345 );
4346
4347 Some(Task::ready(Ok(())))
4348 })
4349 }
4350 CodeActionsItem::CodeAction {
4351 excerpt_id,
4352 action,
4353 provider,
4354 } => {
4355 let apply_code_action =
4356 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4357 let workspace = workspace.downgrade();
4358 Some(cx.spawn_in(window, |editor, cx| async move {
4359 let project_transaction = apply_code_action.await?;
4360 Self::open_project_transaction(
4361 &editor,
4362 workspace,
4363 project_transaction,
4364 title,
4365 cx,
4366 )
4367 .await
4368 }))
4369 }
4370 }
4371 }
4372
4373 pub async fn open_project_transaction(
4374 this: &WeakEntity<Editor>,
4375 workspace: WeakEntity<Workspace>,
4376 transaction: ProjectTransaction,
4377 title: String,
4378 mut cx: AsyncWindowContext,
4379 ) -> Result<()> {
4380 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4381 cx.update(|_, cx| {
4382 entries.sort_unstable_by_key(|(buffer, _)| {
4383 buffer.read(cx).file().map(|f| f.path().clone())
4384 });
4385 })?;
4386
4387 // If the project transaction's edits are all contained within this editor, then
4388 // avoid opening a new editor to display them.
4389
4390 if let Some((buffer, transaction)) = entries.first() {
4391 if entries.len() == 1 {
4392 let excerpt = this.update(&mut cx, |editor, cx| {
4393 editor
4394 .buffer()
4395 .read(cx)
4396 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4397 })?;
4398 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4399 if excerpted_buffer == *buffer {
4400 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4401 let excerpt_range = excerpt_range.to_offset(buffer);
4402 buffer
4403 .edited_ranges_for_transaction::<usize>(transaction)
4404 .all(|range| {
4405 excerpt_range.start <= range.start
4406 && excerpt_range.end >= range.end
4407 })
4408 })?;
4409
4410 if all_edits_within_excerpt {
4411 return Ok(());
4412 }
4413 }
4414 }
4415 }
4416 } else {
4417 return Ok(());
4418 }
4419
4420 let mut ranges_to_highlight = Vec::new();
4421 let excerpt_buffer = cx.new(|cx| {
4422 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4423 for (buffer_handle, transaction) in &entries {
4424 let buffer = buffer_handle.read(cx);
4425 ranges_to_highlight.extend(
4426 multibuffer.push_excerpts_with_context_lines(
4427 buffer_handle.clone(),
4428 buffer
4429 .edited_ranges_for_transaction::<usize>(transaction)
4430 .collect(),
4431 DEFAULT_MULTIBUFFER_CONTEXT,
4432 cx,
4433 ),
4434 );
4435 }
4436 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4437 multibuffer
4438 })?;
4439
4440 workspace.update_in(&mut cx, |workspace, window, cx| {
4441 let project = workspace.project().clone();
4442 let editor = cx
4443 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4444 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4445 editor.update(cx, |editor, cx| {
4446 editor.highlight_background::<Self>(
4447 &ranges_to_highlight,
4448 |theme| theme.editor_highlighted_line_background,
4449 cx,
4450 );
4451 });
4452 })?;
4453
4454 Ok(())
4455 }
4456
4457 pub fn clear_code_action_providers(&mut self) {
4458 self.code_action_providers.clear();
4459 self.available_code_actions.take();
4460 }
4461
4462 pub fn add_code_action_provider(
4463 &mut self,
4464 provider: Rc<dyn CodeActionProvider>,
4465 window: &mut Window,
4466 cx: &mut Context<Self>,
4467 ) {
4468 if self
4469 .code_action_providers
4470 .iter()
4471 .any(|existing_provider| existing_provider.id() == provider.id())
4472 {
4473 return;
4474 }
4475
4476 self.code_action_providers.push(provider);
4477 self.refresh_code_actions(window, cx);
4478 }
4479
4480 pub fn remove_code_action_provider(
4481 &mut self,
4482 id: Arc<str>,
4483 window: &mut Window,
4484 cx: &mut Context<Self>,
4485 ) {
4486 self.code_action_providers
4487 .retain(|provider| provider.id() != id);
4488 self.refresh_code_actions(window, cx);
4489 }
4490
4491 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4492 let buffer = self.buffer.read(cx);
4493 let newest_selection = self.selections.newest_anchor().clone();
4494 if newest_selection.head().diff_base_anchor.is_some() {
4495 return None;
4496 }
4497 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4498 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4499 if start_buffer != end_buffer {
4500 return None;
4501 }
4502
4503 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4504 cx.background_executor()
4505 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4506 .await;
4507
4508 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4509 let providers = this.code_action_providers.clone();
4510 let tasks = this
4511 .code_action_providers
4512 .iter()
4513 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4514 .collect::<Vec<_>>();
4515 (providers, tasks)
4516 })?;
4517
4518 let mut actions = Vec::new();
4519 for (provider, provider_actions) in
4520 providers.into_iter().zip(future::join_all(tasks).await)
4521 {
4522 if let Some(provider_actions) = provider_actions.log_err() {
4523 actions.extend(provider_actions.into_iter().map(|action| {
4524 AvailableCodeAction {
4525 excerpt_id: newest_selection.start.excerpt_id,
4526 action,
4527 provider: provider.clone(),
4528 }
4529 }));
4530 }
4531 }
4532
4533 this.update(&mut cx, |this, cx| {
4534 this.available_code_actions = if actions.is_empty() {
4535 None
4536 } else {
4537 Some((
4538 Location {
4539 buffer: start_buffer,
4540 range: start..end,
4541 },
4542 actions.into(),
4543 ))
4544 };
4545 cx.notify();
4546 })
4547 }));
4548 None
4549 }
4550
4551 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4552 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4553 self.show_git_blame_inline = false;
4554
4555 self.show_git_blame_inline_delay_task =
4556 Some(cx.spawn_in(window, |this, mut cx| async move {
4557 cx.background_executor().timer(delay).await;
4558
4559 this.update(&mut cx, |this, cx| {
4560 this.show_git_blame_inline = true;
4561 cx.notify();
4562 })
4563 .log_err();
4564 }));
4565 }
4566 }
4567
4568 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4569 if self.pending_rename.is_some() {
4570 return None;
4571 }
4572
4573 let provider = self.semantics_provider.clone()?;
4574 let buffer = self.buffer.read(cx);
4575 let newest_selection = self.selections.newest_anchor().clone();
4576 let cursor_position = newest_selection.head();
4577 let (cursor_buffer, cursor_buffer_position) =
4578 buffer.text_anchor_for_position(cursor_position, cx)?;
4579 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4580 if cursor_buffer != tail_buffer {
4581 return None;
4582 }
4583 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4584 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4585 cx.background_executor()
4586 .timer(Duration::from_millis(debounce))
4587 .await;
4588
4589 let highlights = if let Some(highlights) = cx
4590 .update(|cx| {
4591 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4592 })
4593 .ok()
4594 .flatten()
4595 {
4596 highlights.await.log_err()
4597 } else {
4598 None
4599 };
4600
4601 if let Some(highlights) = highlights {
4602 this.update(&mut cx, |this, cx| {
4603 if this.pending_rename.is_some() {
4604 return;
4605 }
4606
4607 let buffer_id = cursor_position.buffer_id;
4608 let buffer = this.buffer.read(cx);
4609 if !buffer
4610 .text_anchor_for_position(cursor_position, cx)
4611 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4612 {
4613 return;
4614 }
4615
4616 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4617 let mut write_ranges = Vec::new();
4618 let mut read_ranges = Vec::new();
4619 for highlight in highlights {
4620 for (excerpt_id, excerpt_range) in
4621 buffer.excerpts_for_buffer(cursor_buffer.read(cx).remote_id(), cx)
4622 {
4623 let start = highlight
4624 .range
4625 .start
4626 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4627 let end = highlight
4628 .range
4629 .end
4630 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4631 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4632 continue;
4633 }
4634
4635 let range = Anchor {
4636 buffer_id,
4637 excerpt_id,
4638 text_anchor: start,
4639 diff_base_anchor: None,
4640 }..Anchor {
4641 buffer_id,
4642 excerpt_id,
4643 text_anchor: end,
4644 diff_base_anchor: None,
4645 };
4646 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4647 write_ranges.push(range);
4648 } else {
4649 read_ranges.push(range);
4650 }
4651 }
4652 }
4653
4654 this.highlight_background::<DocumentHighlightRead>(
4655 &read_ranges,
4656 |theme| theme.editor_document_highlight_read_background,
4657 cx,
4658 );
4659 this.highlight_background::<DocumentHighlightWrite>(
4660 &write_ranges,
4661 |theme| theme.editor_document_highlight_write_background,
4662 cx,
4663 );
4664 cx.notify();
4665 })
4666 .log_err();
4667 }
4668 }));
4669 None
4670 }
4671
4672 pub fn refresh_inline_completion(
4673 &mut self,
4674 debounce: bool,
4675 user_requested: bool,
4676 window: &mut Window,
4677 cx: &mut Context<Self>,
4678 ) -> Option<()> {
4679 let provider = self.edit_prediction_provider()?;
4680 let cursor = self.selections.newest_anchor().head();
4681 let (buffer, cursor_buffer_position) =
4682 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4683
4684 if !self.inline_completions_enabled_in_buffer(&buffer, cursor_buffer_position, cx) {
4685 self.discard_inline_completion(false, cx);
4686 return None;
4687 }
4688
4689 if !user_requested
4690 && (!self.should_show_edit_predictions()
4691 || !self.is_focused(window)
4692 || buffer.read(cx).is_empty())
4693 {
4694 self.discard_inline_completion(false, cx);
4695 return None;
4696 }
4697
4698 self.update_visible_inline_completion(window, cx);
4699 provider.refresh(
4700 self.project.clone(),
4701 buffer,
4702 cursor_buffer_position,
4703 debounce,
4704 cx,
4705 );
4706 Some(())
4707 }
4708
4709 fn show_edit_predictions_in_menu(&self) -> bool {
4710 match self.edit_prediction_settings {
4711 EditPredictionSettings::Disabled => false,
4712 EditPredictionSettings::Enabled { show_in_menu, .. } => show_in_menu,
4713 }
4714 }
4715
4716 pub fn edit_predictions_enabled(&self) -> bool {
4717 match self.edit_prediction_settings {
4718 EditPredictionSettings::Disabled => false,
4719 EditPredictionSettings::Enabled { .. } => true,
4720 }
4721 }
4722
4723 fn edit_prediction_requires_modifier(&self) -> bool {
4724 match self.edit_prediction_settings {
4725 EditPredictionSettings::Disabled => false,
4726 EditPredictionSettings::Enabled {
4727 preview_requires_modifier,
4728 ..
4729 } => preview_requires_modifier,
4730 }
4731 }
4732
4733 fn edit_prediction_settings_at_position(
4734 &self,
4735 buffer: &Entity<Buffer>,
4736 buffer_position: language::Anchor,
4737 cx: &App,
4738 ) -> EditPredictionSettings {
4739 if self.mode != EditorMode::Full
4740 || !self.show_inline_completions_override.unwrap_or(true)
4741 || self.inline_completions_disabled_in_scope(buffer, buffer_position, cx)
4742 {
4743 return EditPredictionSettings::Disabled;
4744 }
4745
4746 let buffer = buffer.read(cx);
4747
4748 let file = buffer.file();
4749
4750 if !language_settings(buffer.language().map(|l| l.name()), file, cx).show_edit_predictions {
4751 return EditPredictionSettings::Disabled;
4752 };
4753
4754 let by_provider = matches!(
4755 self.menu_inline_completions_policy,
4756 MenuInlineCompletionsPolicy::ByProvider
4757 );
4758
4759 let show_in_menu = by_provider
4760 && EditorSettings::get_global(cx).show_edit_predictions_in_menu
4761 && self
4762 .edit_prediction_provider
4763 .as_ref()
4764 .map_or(false, |provider| {
4765 provider.provider.show_completions_in_menu()
4766 });
4767
4768 let preview_requires_modifier = all_language_settings(file, cx)
4769 .inline_completions_preview_mode()
4770 == InlineCompletionPreviewMode::WhenHoldingModifier;
4771
4772 EditPredictionSettings::Enabled {
4773 show_in_menu,
4774 preview_requires_modifier,
4775 }
4776 }
4777
4778 fn should_show_edit_predictions(&self) -> bool {
4779 self.snippet_stack.is_empty() && self.edit_predictions_enabled()
4780 }
4781
4782 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
4783 let cursor = self.selections.newest_anchor().head();
4784 if let Some((buffer, cursor_position)) =
4785 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
4786 {
4787 self.inline_completions_enabled_in_buffer(&buffer, cursor_position, cx)
4788 } else {
4789 false
4790 }
4791 }
4792
4793 fn inline_completions_enabled_in_buffer(
4794 &self,
4795 buffer: &Entity<Buffer>,
4796 buffer_position: language::Anchor,
4797 cx: &App,
4798 ) -> bool {
4799 maybe!({
4800 let provider = self.edit_prediction_provider()?;
4801 if !provider.is_enabled(&buffer, buffer_position, cx) {
4802 return Some(false);
4803 }
4804 let buffer = buffer.read(cx);
4805 let Some(file) = buffer.file() else {
4806 return Some(true);
4807 };
4808 let settings = all_language_settings(Some(file), cx);
4809 Some(settings.inline_completions_enabled_for_path(file.path()))
4810 })
4811 .unwrap_or(false)
4812 }
4813
4814 fn cycle_inline_completion(
4815 &mut self,
4816 direction: Direction,
4817 window: &mut Window,
4818 cx: &mut Context<Self>,
4819 ) -> Option<()> {
4820 let provider = self.edit_prediction_provider()?;
4821 let cursor = self.selections.newest_anchor().head();
4822 let (buffer, cursor_buffer_position) =
4823 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4824 if self.inline_completions_hidden_for_vim_mode || !self.should_show_edit_predictions() {
4825 return None;
4826 }
4827
4828 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4829 self.update_visible_inline_completion(window, cx);
4830
4831 Some(())
4832 }
4833
4834 pub fn show_inline_completion(
4835 &mut self,
4836 _: &ShowEditPrediction,
4837 window: &mut Window,
4838 cx: &mut Context<Self>,
4839 ) {
4840 if !self.has_active_inline_completion() {
4841 self.refresh_inline_completion(false, true, window, cx);
4842 return;
4843 }
4844
4845 self.update_visible_inline_completion(window, cx);
4846 }
4847
4848 pub fn display_cursor_names(
4849 &mut self,
4850 _: &DisplayCursorNames,
4851 window: &mut Window,
4852 cx: &mut Context<Self>,
4853 ) {
4854 self.show_cursor_names(window, cx);
4855 }
4856
4857 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4858 self.show_cursor_names = true;
4859 cx.notify();
4860 cx.spawn_in(window, |this, mut cx| async move {
4861 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4862 this.update(&mut cx, |this, cx| {
4863 this.show_cursor_names = false;
4864 cx.notify()
4865 })
4866 .ok()
4867 })
4868 .detach();
4869 }
4870
4871 pub fn next_edit_prediction(
4872 &mut self,
4873 _: &NextEditPrediction,
4874 window: &mut Window,
4875 cx: &mut Context<Self>,
4876 ) {
4877 if self.has_active_inline_completion() {
4878 self.cycle_inline_completion(Direction::Next, window, cx);
4879 } else {
4880 let is_copilot_disabled = self
4881 .refresh_inline_completion(false, true, window, cx)
4882 .is_none();
4883 if is_copilot_disabled {
4884 cx.propagate();
4885 }
4886 }
4887 }
4888
4889 pub fn previous_edit_prediction(
4890 &mut self,
4891 _: &PreviousEditPrediction,
4892 window: &mut Window,
4893 cx: &mut Context<Self>,
4894 ) {
4895 if self.has_active_inline_completion() {
4896 self.cycle_inline_completion(Direction::Prev, window, cx);
4897 } else {
4898 let is_copilot_disabled = self
4899 .refresh_inline_completion(false, true, window, cx)
4900 .is_none();
4901 if is_copilot_disabled {
4902 cx.propagate();
4903 }
4904 }
4905 }
4906
4907 pub fn accept_edit_prediction(
4908 &mut self,
4909 _: &AcceptEditPrediction,
4910 window: &mut Window,
4911 cx: &mut Context<Self>,
4912 ) {
4913 let buffer = self.buffer.read(cx);
4914 let snapshot = buffer.snapshot(cx);
4915 let selection = self.selections.newest_adjusted(cx);
4916 let cursor = selection.head();
4917 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
4918 let suggested_indents = snapshot.suggested_indents([cursor.row], cx);
4919 if let Some(suggested_indent) = suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
4920 {
4921 if cursor.column < suggested_indent.len
4922 && cursor.column <= current_indent.len
4923 && current_indent.len <= suggested_indent.len
4924 {
4925 self.tab(&Default::default(), window, cx);
4926 return;
4927 }
4928 }
4929
4930 if self.show_edit_predictions_in_menu() {
4931 self.hide_context_menu(window, cx);
4932 }
4933
4934 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4935 return;
4936 };
4937
4938 self.report_inline_completion_event(
4939 active_inline_completion.completion_id.clone(),
4940 true,
4941 cx,
4942 );
4943
4944 match &active_inline_completion.completion {
4945 InlineCompletion::Move { target, .. } => {
4946 let target = *target;
4947 // Note that this is also done in vim's handler of the Tab action.
4948 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4949 selections.select_anchor_ranges([target..target]);
4950 });
4951 }
4952 InlineCompletion::Edit { edits, .. } => {
4953 if let Some(provider) = self.edit_prediction_provider() {
4954 provider.accept(cx);
4955 }
4956
4957 let snapshot = self.buffer.read(cx).snapshot(cx);
4958 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4959
4960 self.buffer.update(cx, |buffer, cx| {
4961 buffer.edit(edits.iter().cloned(), None, cx)
4962 });
4963
4964 self.change_selections(None, window, cx, |s| {
4965 s.select_anchor_ranges([last_edit_end..last_edit_end])
4966 });
4967
4968 self.update_visible_inline_completion(window, cx);
4969 if self.active_inline_completion.is_none() {
4970 self.refresh_inline_completion(true, true, window, cx);
4971 }
4972
4973 cx.notify();
4974 }
4975 }
4976 }
4977
4978 pub fn accept_partial_inline_completion(
4979 &mut self,
4980 _: &AcceptPartialEditPrediction,
4981 window: &mut Window,
4982 cx: &mut Context<Self>,
4983 ) {
4984 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4985 return;
4986 };
4987 if self.selections.count() != 1 {
4988 return;
4989 }
4990
4991 self.report_inline_completion_event(
4992 active_inline_completion.completion_id.clone(),
4993 true,
4994 cx,
4995 );
4996
4997 match &active_inline_completion.completion {
4998 InlineCompletion::Move { target, .. } => {
4999 let target = *target;
5000 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
5001 selections.select_anchor_ranges([target..target]);
5002 });
5003 }
5004 InlineCompletion::Edit { edits, .. } => {
5005 // Find an insertion that starts at the cursor position.
5006 let snapshot = self.buffer.read(cx).snapshot(cx);
5007 let cursor_offset = self.selections.newest::<usize>(cx).head();
5008 let insertion = edits.iter().find_map(|(range, text)| {
5009 let range = range.to_offset(&snapshot);
5010 if range.is_empty() && range.start == cursor_offset {
5011 Some(text)
5012 } else {
5013 None
5014 }
5015 });
5016
5017 if let Some(text) = insertion {
5018 let mut partial_completion = text
5019 .chars()
5020 .by_ref()
5021 .take_while(|c| c.is_alphabetic())
5022 .collect::<String>();
5023 if partial_completion.is_empty() {
5024 partial_completion = text
5025 .chars()
5026 .by_ref()
5027 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
5028 .collect::<String>();
5029 }
5030
5031 cx.emit(EditorEvent::InputHandled {
5032 utf16_range_to_replace: None,
5033 text: partial_completion.clone().into(),
5034 });
5035
5036 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
5037
5038 self.refresh_inline_completion(true, true, window, cx);
5039 cx.notify();
5040 } else {
5041 self.accept_edit_prediction(&Default::default(), window, cx);
5042 }
5043 }
5044 }
5045 }
5046
5047 fn discard_inline_completion(
5048 &mut self,
5049 should_report_inline_completion_event: bool,
5050 cx: &mut Context<Self>,
5051 ) -> bool {
5052 if should_report_inline_completion_event {
5053 let completion_id = self
5054 .active_inline_completion
5055 .as_ref()
5056 .and_then(|active_completion| active_completion.completion_id.clone());
5057
5058 self.report_inline_completion_event(completion_id, false, cx);
5059 }
5060
5061 if let Some(provider) = self.edit_prediction_provider() {
5062 provider.discard(cx);
5063 }
5064
5065 self.take_active_inline_completion(cx)
5066 }
5067
5068 fn report_inline_completion_event(&self, id: Option<SharedString>, accepted: bool, cx: &App) {
5069 let Some(provider) = self.edit_prediction_provider() else {
5070 return;
5071 };
5072
5073 let Some((_, buffer, _)) = self
5074 .buffer
5075 .read(cx)
5076 .excerpt_containing(self.selections.newest_anchor().head(), cx)
5077 else {
5078 return;
5079 };
5080
5081 let extension = buffer
5082 .read(cx)
5083 .file()
5084 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
5085
5086 let event_type = match accepted {
5087 true => "Edit Prediction Accepted",
5088 false => "Edit Prediction Discarded",
5089 };
5090 telemetry::event!(
5091 event_type,
5092 provider = provider.name(),
5093 prediction_id = id,
5094 suggestion_accepted = accepted,
5095 file_extension = extension,
5096 );
5097 }
5098
5099 pub fn has_active_inline_completion(&self) -> bool {
5100 self.active_inline_completion.is_some()
5101 }
5102
5103 fn take_active_inline_completion(&mut self, cx: &mut Context<Self>) -> bool {
5104 let Some(active_inline_completion) = self.active_inline_completion.take() else {
5105 return false;
5106 };
5107
5108 self.splice_inlays(&active_inline_completion.inlay_ids, Default::default(), cx);
5109 self.clear_highlights::<InlineCompletionHighlight>(cx);
5110 self.stale_inline_completion_in_menu = Some(active_inline_completion);
5111 true
5112 }
5113
5114 /// Returns true when we're displaying the inline completion popover below the cursor
5115 /// like we are not previewing and the LSP autocomplete menu is visible
5116 /// or we are in `when_holding_modifier` mode.
5117 pub fn edit_prediction_visible_in_cursor_popover(&self, has_completion: bool) -> bool {
5118 if self.previewing_inline_completion
5119 || !self.show_edit_predictions_in_menu()
5120 || !self.edit_predictions_enabled()
5121 {
5122 return false;
5123 }
5124
5125 if self.has_visible_completions_menu() {
5126 return true;
5127 }
5128
5129 has_completion && self.edit_prediction_requires_modifier()
5130 }
5131
5132 fn handle_modifiers_changed(
5133 &mut self,
5134 modifiers: Modifiers,
5135 position_map: &PositionMap,
5136 window: &mut Window,
5137 cx: &mut Context<Self>,
5138 ) {
5139 if self.show_edit_predictions_in_menu() {
5140 let accept_binding = self.accept_edit_prediction_keybind(window, cx);
5141 if let Some(accept_keystroke) = accept_binding.keystroke() {
5142 let was_previewing_inline_completion = self.previewing_inline_completion;
5143 self.previewing_inline_completion = modifiers == accept_keystroke.modifiers
5144 && accept_keystroke.modifiers.modified();
5145 if self.previewing_inline_completion != was_previewing_inline_completion {
5146 self.update_visible_inline_completion(window, cx);
5147 }
5148 }
5149 }
5150
5151 let mouse_position = window.mouse_position();
5152 if !position_map.text_hitbox.is_hovered(window) {
5153 return;
5154 }
5155
5156 self.update_hovered_link(
5157 position_map.point_for_position(mouse_position),
5158 &position_map.snapshot,
5159 modifiers,
5160 window,
5161 cx,
5162 )
5163 }
5164
5165 fn update_visible_inline_completion(
5166 &mut self,
5167 _window: &mut Window,
5168 cx: &mut Context<Self>,
5169 ) -> Option<()> {
5170 let selection = self.selections.newest_anchor();
5171 let cursor = selection.head();
5172 let multibuffer = self.buffer.read(cx).snapshot(cx);
5173 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5174 let excerpt_id = cursor.excerpt_id;
5175
5176 let show_in_menu = self.show_edit_predictions_in_menu();
5177 let completions_menu_has_precedence = !show_in_menu
5178 && (self.context_menu.borrow().is_some()
5179 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5180
5181 if completions_menu_has_precedence
5182 || !offset_selection.is_empty()
5183 || self
5184 .active_inline_completion
5185 .as_ref()
5186 .map_or(false, |completion| {
5187 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5188 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5189 !invalidation_range.contains(&offset_selection.head())
5190 })
5191 {
5192 self.discard_inline_completion(false, cx);
5193 return None;
5194 }
5195
5196 self.take_active_inline_completion(cx);
5197 let Some(provider) = self.edit_prediction_provider() else {
5198 self.edit_prediction_settings = EditPredictionSettings::Disabled;
5199 return None;
5200 };
5201
5202 let (buffer, cursor_buffer_position) =
5203 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5204
5205 self.edit_prediction_settings =
5206 self.edit_prediction_settings_at_position(&buffer, cursor_buffer_position, cx);
5207
5208 if !self.edit_prediction_settings.is_enabled() {
5209 self.discard_inline_completion(false, cx);
5210 return None;
5211 }
5212
5213 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5214 let edits = inline_completion
5215 .edits
5216 .into_iter()
5217 .flat_map(|(range, new_text)| {
5218 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5219 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5220 Some((start..end, new_text))
5221 })
5222 .collect::<Vec<_>>();
5223 if edits.is_empty() {
5224 return None;
5225 }
5226
5227 let first_edit_start = edits.first().unwrap().0.start;
5228 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5229 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5230
5231 let last_edit_end = edits.last().unwrap().0.end;
5232 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5233 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5234
5235 let cursor_row = cursor.to_point(&multibuffer).row;
5236
5237 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5238
5239 let mut inlay_ids = Vec::new();
5240 let invalidation_row_range;
5241 let move_invalidation_row_range = if cursor_row < edit_start_row {
5242 Some(cursor_row..edit_end_row)
5243 } else if cursor_row > edit_end_row {
5244 Some(edit_start_row..cursor_row)
5245 } else {
5246 None
5247 };
5248 let is_move =
5249 move_invalidation_row_range.is_some() || self.inline_completions_hidden_for_vim_mode;
5250 let completion = if is_move {
5251 invalidation_row_range =
5252 move_invalidation_row_range.unwrap_or(edit_start_row..edit_end_row);
5253 let target = first_edit_start;
5254 let target_point = text::ToPoint::to_point(&target.text_anchor, &snapshot);
5255 // TODO: Base this off of TreeSitter or word boundaries?
5256 let target_excerpt_begin = snapshot.anchor_before(snapshot.clip_point(
5257 Point::new(target_point.row, target_point.column.saturating_sub(20)),
5258 Bias::Left,
5259 ));
5260 let target_excerpt_end = snapshot.anchor_after(snapshot.clip_point(
5261 Point::new(target_point.row, target_point.column + 20),
5262 Bias::Right,
5263 ));
5264 let range_around_target = target_excerpt_begin..target_excerpt_end;
5265 InlineCompletion::Move {
5266 target,
5267 range_around_target,
5268 snapshot,
5269 }
5270 } else {
5271 let show_completions_in_buffer = !self.edit_prediction_visible_in_cursor_popover(true)
5272 && !self.inline_completions_hidden_for_vim_mode;
5273 if show_completions_in_buffer {
5274 if edits
5275 .iter()
5276 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5277 {
5278 let mut inlays = Vec::new();
5279 for (range, new_text) in &edits {
5280 let inlay = Inlay::inline_completion(
5281 post_inc(&mut self.next_inlay_id),
5282 range.start,
5283 new_text.as_str(),
5284 );
5285 inlay_ids.push(inlay.id);
5286 inlays.push(inlay);
5287 }
5288
5289 self.splice_inlays(&[], inlays, cx);
5290 } else {
5291 let background_color = cx.theme().status().deleted_background;
5292 self.highlight_text::<InlineCompletionHighlight>(
5293 edits.iter().map(|(range, _)| range.clone()).collect(),
5294 HighlightStyle {
5295 background_color: Some(background_color),
5296 ..Default::default()
5297 },
5298 cx,
5299 );
5300 }
5301 }
5302
5303 invalidation_row_range = edit_start_row..edit_end_row;
5304
5305 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5306 if provider.show_tab_accept_marker() {
5307 EditDisplayMode::TabAccept
5308 } else {
5309 EditDisplayMode::Inline
5310 }
5311 } else {
5312 EditDisplayMode::DiffPopover
5313 };
5314
5315 InlineCompletion::Edit {
5316 edits,
5317 edit_preview: inline_completion.edit_preview,
5318 display_mode,
5319 snapshot,
5320 }
5321 };
5322
5323 let invalidation_range = multibuffer
5324 .anchor_before(Point::new(invalidation_row_range.start, 0))
5325 ..multibuffer.anchor_after(Point::new(
5326 invalidation_row_range.end,
5327 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5328 ));
5329
5330 self.stale_inline_completion_in_menu = None;
5331 self.active_inline_completion = Some(InlineCompletionState {
5332 inlay_ids,
5333 completion,
5334 completion_id: inline_completion.id,
5335 invalidation_range,
5336 });
5337
5338 cx.notify();
5339
5340 Some(())
5341 }
5342
5343 pub fn edit_prediction_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5344 Some(self.edit_prediction_provider.as_ref()?.provider.clone())
5345 }
5346
5347 fn render_code_actions_indicator(
5348 &self,
5349 _style: &EditorStyle,
5350 row: DisplayRow,
5351 is_active: bool,
5352 cx: &mut Context<Self>,
5353 ) -> Option<IconButton> {
5354 if self.available_code_actions.is_some() {
5355 Some(
5356 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5357 .shape(ui::IconButtonShape::Square)
5358 .icon_size(IconSize::XSmall)
5359 .icon_color(Color::Muted)
5360 .toggle_state(is_active)
5361 .tooltip({
5362 let focus_handle = self.focus_handle.clone();
5363 move |window, cx| {
5364 Tooltip::for_action_in(
5365 "Toggle Code Actions",
5366 &ToggleCodeActions {
5367 deployed_from_indicator: None,
5368 },
5369 &focus_handle,
5370 window,
5371 cx,
5372 )
5373 }
5374 })
5375 .on_click(cx.listener(move |editor, _e, window, cx| {
5376 window.focus(&editor.focus_handle(cx));
5377 editor.toggle_code_actions(
5378 &ToggleCodeActions {
5379 deployed_from_indicator: Some(row),
5380 },
5381 window,
5382 cx,
5383 );
5384 })),
5385 )
5386 } else {
5387 None
5388 }
5389 }
5390
5391 fn clear_tasks(&mut self) {
5392 self.tasks.clear()
5393 }
5394
5395 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5396 if self.tasks.insert(key, value).is_some() {
5397 // This case should hopefully be rare, but just in case...
5398 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5399 }
5400 }
5401
5402 fn build_tasks_context(
5403 project: &Entity<Project>,
5404 buffer: &Entity<Buffer>,
5405 buffer_row: u32,
5406 tasks: &Arc<RunnableTasks>,
5407 cx: &mut Context<Self>,
5408 ) -> Task<Option<task::TaskContext>> {
5409 let position = Point::new(buffer_row, tasks.column);
5410 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5411 let location = Location {
5412 buffer: buffer.clone(),
5413 range: range_start..range_start,
5414 };
5415 // Fill in the environmental variables from the tree-sitter captures
5416 let mut captured_task_variables = TaskVariables::default();
5417 for (capture_name, value) in tasks.extra_variables.clone() {
5418 captured_task_variables.insert(
5419 task::VariableName::Custom(capture_name.into()),
5420 value.clone(),
5421 );
5422 }
5423 project.update(cx, |project, cx| {
5424 project.task_store().update(cx, |task_store, cx| {
5425 task_store.task_context_for_location(captured_task_variables, location, cx)
5426 })
5427 })
5428 }
5429
5430 pub fn spawn_nearest_task(
5431 &mut self,
5432 action: &SpawnNearestTask,
5433 window: &mut Window,
5434 cx: &mut Context<Self>,
5435 ) {
5436 let Some((workspace, _)) = self.workspace.clone() else {
5437 return;
5438 };
5439 let Some(project) = self.project.clone() else {
5440 return;
5441 };
5442
5443 // Try to find a closest, enclosing node using tree-sitter that has a
5444 // task
5445 let Some((buffer, buffer_row, tasks)) = self
5446 .find_enclosing_node_task(cx)
5447 // Or find the task that's closest in row-distance.
5448 .or_else(|| self.find_closest_task(cx))
5449 else {
5450 return;
5451 };
5452
5453 let reveal_strategy = action.reveal;
5454 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5455 cx.spawn_in(window, |_, mut cx| async move {
5456 let context = task_context.await?;
5457 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5458
5459 let resolved = resolved_task.resolved.as_mut()?;
5460 resolved.reveal = reveal_strategy;
5461
5462 workspace
5463 .update(&mut cx, |workspace, cx| {
5464 workspace::tasks::schedule_resolved_task(
5465 workspace,
5466 task_source_kind,
5467 resolved_task,
5468 false,
5469 cx,
5470 );
5471 })
5472 .ok()
5473 })
5474 .detach();
5475 }
5476
5477 fn find_closest_task(
5478 &mut self,
5479 cx: &mut Context<Self>,
5480 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5481 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5482
5483 let ((buffer_id, row), tasks) = self
5484 .tasks
5485 .iter()
5486 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5487
5488 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5489 let tasks = Arc::new(tasks.to_owned());
5490 Some((buffer, *row, tasks))
5491 }
5492
5493 fn find_enclosing_node_task(
5494 &mut self,
5495 cx: &mut Context<Self>,
5496 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5497 let snapshot = self.buffer.read(cx).snapshot(cx);
5498 let offset = self.selections.newest::<usize>(cx).head();
5499 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5500 let buffer_id = excerpt.buffer().remote_id();
5501
5502 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5503 let mut cursor = layer.node().walk();
5504
5505 while cursor.goto_first_child_for_byte(offset).is_some() {
5506 if cursor.node().end_byte() == offset {
5507 cursor.goto_next_sibling();
5508 }
5509 }
5510
5511 // Ascend to the smallest ancestor that contains the range and has a task.
5512 loop {
5513 let node = cursor.node();
5514 let node_range = node.byte_range();
5515 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5516
5517 // Check if this node contains our offset
5518 if node_range.start <= offset && node_range.end >= offset {
5519 // If it contains offset, check for task
5520 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5521 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5522 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5523 }
5524 }
5525
5526 if !cursor.goto_parent() {
5527 break;
5528 }
5529 }
5530 None
5531 }
5532
5533 fn render_run_indicator(
5534 &self,
5535 _style: &EditorStyle,
5536 is_active: bool,
5537 row: DisplayRow,
5538 cx: &mut Context<Self>,
5539 ) -> IconButton {
5540 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5541 .shape(ui::IconButtonShape::Square)
5542 .icon_size(IconSize::XSmall)
5543 .icon_color(Color::Muted)
5544 .toggle_state(is_active)
5545 .on_click(cx.listener(move |editor, _e, window, cx| {
5546 window.focus(&editor.focus_handle(cx));
5547 editor.toggle_code_actions(
5548 &ToggleCodeActions {
5549 deployed_from_indicator: Some(row),
5550 },
5551 window,
5552 cx,
5553 );
5554 }))
5555 }
5556
5557 pub fn context_menu_visible(&self) -> bool {
5558 !self.previewing_inline_completion
5559 && self
5560 .context_menu
5561 .borrow()
5562 .as_ref()
5563 .map_or(false, |menu| menu.visible())
5564 }
5565
5566 fn context_menu_origin(&self) -> Option<ContextMenuOrigin> {
5567 self.context_menu
5568 .borrow()
5569 .as_ref()
5570 .map(|menu| menu.origin())
5571 }
5572
5573 fn edit_prediction_cursor_popover_height(&self) -> Pixels {
5574 px(30.)
5575 }
5576
5577 fn current_user_player_color(&self, cx: &mut App) -> PlayerColor {
5578 if self.read_only(cx) {
5579 cx.theme().players().read_only()
5580 } else {
5581 self.style.as_ref().unwrap().local_player
5582 }
5583 }
5584
5585 #[allow(clippy::too_many_arguments)]
5586 fn render_edit_prediction_cursor_popover(
5587 &self,
5588 min_width: Pixels,
5589 max_width: Pixels,
5590 cursor_point: Point,
5591 style: &EditorStyle,
5592 accept_keystroke: &gpui::Keystroke,
5593 window: &Window,
5594 cx: &mut Context<Editor>,
5595 ) -> Option<AnyElement> {
5596 let provider = self.edit_prediction_provider.as_ref()?;
5597
5598 if provider.provider.needs_terms_acceptance(cx) {
5599 return Some(
5600 h_flex()
5601 .min_w(min_width)
5602 .flex_1()
5603 .px_2()
5604 .py_1()
5605 .gap_3()
5606 .elevation_2(cx)
5607 .hover(|style| style.bg(cx.theme().colors().element_hover))
5608 .id("accept-terms")
5609 .cursor_pointer()
5610 .on_mouse_down(MouseButton::Left, |_, window, _| window.prevent_default())
5611 .on_click(cx.listener(|this, _event, window, cx| {
5612 cx.stop_propagation();
5613 this.report_editor_event("Edit Prediction Provider ToS Clicked", None, cx);
5614 window.dispatch_action(
5615 zed_actions::OpenZedPredictOnboarding.boxed_clone(),
5616 cx,
5617 );
5618 }))
5619 .child(
5620 h_flex()
5621 .flex_1()
5622 .gap_2()
5623 .child(Icon::new(IconName::ZedPredict))
5624 .child(Label::new("Accept Terms of Service"))
5625 .child(div().w_full())
5626 .child(
5627 Icon::new(IconName::ArrowUpRight)
5628 .color(Color::Muted)
5629 .size(IconSize::Small),
5630 )
5631 .into_any_element(),
5632 )
5633 .into_any(),
5634 );
5635 }
5636
5637 let is_refreshing = provider.provider.is_refreshing(cx);
5638
5639 fn pending_completion_container() -> Div {
5640 h_flex()
5641 .h_full()
5642 .flex_1()
5643 .gap_2()
5644 .child(Icon::new(IconName::ZedPredict))
5645 }
5646
5647 let completion = match &self.active_inline_completion {
5648 Some(completion) => self.render_edit_prediction_cursor_popover_preview(
5649 completion,
5650 cursor_point,
5651 style,
5652 window,
5653 cx,
5654 )?,
5655
5656 None if is_refreshing => match &self.stale_inline_completion_in_menu {
5657 Some(stale_completion) => self.render_edit_prediction_cursor_popover_preview(
5658 stale_completion,
5659 cursor_point,
5660 style,
5661 window,
5662 cx,
5663 )?,
5664
5665 None => {
5666 pending_completion_container().child(Label::new("...").size(LabelSize::Small))
5667 }
5668 },
5669
5670 None => pending_completion_container().child(Label::new("No Prediction")),
5671 };
5672
5673 let buffer_font = theme::ThemeSettings::get_global(cx).buffer_font.clone();
5674 let completion = completion.font(buffer_font.clone());
5675
5676 let completion = if is_refreshing {
5677 completion
5678 .with_animation(
5679 "loading-completion",
5680 Animation::new(Duration::from_secs(2))
5681 .repeat()
5682 .with_easing(pulsating_between(0.4, 0.8)),
5683 |label, delta| label.opacity(delta),
5684 )
5685 .into_any_element()
5686 } else {
5687 completion.into_any_element()
5688 };
5689
5690 let has_completion = self.active_inline_completion.is_some();
5691
5692 Some(
5693 h_flex()
5694 .min_w(min_width)
5695 .max_w(max_width)
5696 .flex_1()
5697 .px_2()
5698 .py_1()
5699 .elevation_2(cx)
5700 .child(completion)
5701 .child(ui::Divider::vertical())
5702 .child(
5703 h_flex()
5704 .h_full()
5705 .gap_1()
5706 .pl_2()
5707 .child(h_flex().font(buffer_font.clone()).gap_1().children(
5708 ui::render_modifiers(
5709 &accept_keystroke.modifiers,
5710 PlatformStyle::platform(),
5711 Some(if !has_completion {
5712 Color::Muted
5713 } else {
5714 Color::Default
5715 }),
5716 None,
5717 true,
5718 ),
5719 ))
5720 .child(Label::new("Preview").into_any_element())
5721 .opacity(if has_completion { 1.0 } else { 0.4 }),
5722 )
5723 .into_any(),
5724 )
5725 }
5726
5727 fn render_edit_prediction_cursor_popover_preview(
5728 &self,
5729 completion: &InlineCompletionState,
5730 cursor_point: Point,
5731 style: &EditorStyle,
5732 window: &Window,
5733 cx: &mut Context<Editor>,
5734 ) -> Option<Div> {
5735 use text::ToPoint as _;
5736
5737 fn render_relative_row_jump(
5738 prefix: impl Into<String>,
5739 current_row: u32,
5740 target_row: u32,
5741 ) -> Div {
5742 let (row_diff, arrow) = if target_row < current_row {
5743 (current_row - target_row, IconName::ArrowUp)
5744 } else {
5745 (target_row - current_row, IconName::ArrowDown)
5746 };
5747
5748 h_flex()
5749 .child(
5750 Label::new(format!("{}{}", prefix.into(), row_diff))
5751 .color(Color::Muted)
5752 .size(LabelSize::Small),
5753 )
5754 .child(Icon::new(arrow).color(Color::Muted).size(IconSize::Small))
5755 }
5756
5757 match &completion.completion {
5758 InlineCompletion::Edit {
5759 edits,
5760 edit_preview,
5761 snapshot,
5762 display_mode: _,
5763 } => {
5764 let first_edit_row = edits.first()?.0.start.text_anchor.to_point(&snapshot).row;
5765
5766 let highlighted_edits = crate::inline_completion_edit_text(
5767 &snapshot,
5768 &edits,
5769 edit_preview.as_ref()?,
5770 true,
5771 cx,
5772 );
5773
5774 let len_total = highlighted_edits.text.len();
5775 let first_line = &highlighted_edits.text
5776 [..highlighted_edits.text.find('\n').unwrap_or(len_total)];
5777 let first_line_len = first_line.len();
5778
5779 let first_highlight_start = highlighted_edits
5780 .highlights
5781 .first()
5782 .map_or(0, |(range, _)| range.start);
5783 let drop_prefix_len = first_line
5784 .char_indices()
5785 .find(|(_, c)| !c.is_whitespace())
5786 .map_or(first_highlight_start, |(ix, _)| {
5787 ix.min(first_highlight_start)
5788 });
5789
5790 let preview_text = &first_line[drop_prefix_len..];
5791 let preview_len = preview_text.len();
5792 let highlights = highlighted_edits
5793 .highlights
5794 .into_iter()
5795 .take_until(|(range, _)| range.start > first_line_len)
5796 .map(|(range, style)| {
5797 (
5798 range.start - drop_prefix_len
5799 ..(range.end - drop_prefix_len).min(preview_len),
5800 style,
5801 )
5802 });
5803
5804 let styled_text = gpui::StyledText::new(SharedString::new(preview_text))
5805 .with_highlights(&style.text, highlights);
5806
5807 let preview = h_flex()
5808 .gap_1()
5809 .min_w_16()
5810 .child(styled_text)
5811 .when(len_total > first_line_len, |parent| parent.child("…"));
5812
5813 let left = if first_edit_row != cursor_point.row {
5814 render_relative_row_jump("", cursor_point.row, first_edit_row)
5815 .into_any_element()
5816 } else {
5817 Icon::new(IconName::ZedPredict).into_any_element()
5818 };
5819
5820 Some(
5821 h_flex()
5822 .h_full()
5823 .flex_1()
5824 .gap_2()
5825 .pr_1()
5826 .overflow_x_hidden()
5827 .child(left)
5828 .child(preview),
5829 )
5830 }
5831
5832 InlineCompletion::Move {
5833 target,
5834 range_around_target,
5835 snapshot,
5836 } => {
5837 let highlighted_text = snapshot.highlighted_text_for_range(
5838 range_around_target.clone(),
5839 None,
5840 &style.syntax,
5841 );
5842 let base = h_flex().gap_3().flex_1().child(render_relative_row_jump(
5843 "Jump ",
5844 cursor_point.row,
5845 target.text_anchor.to_point(&snapshot).row,
5846 ));
5847
5848 if highlighted_text.text.is_empty() {
5849 return Some(base);
5850 }
5851
5852 let cursor_color = self.current_user_player_color(cx).cursor;
5853
5854 let start_point = range_around_target.start.to_point(&snapshot);
5855 let end_point = range_around_target.end.to_point(&snapshot);
5856 let target_point = target.text_anchor.to_point(&snapshot);
5857
5858 let styled_text = highlighted_text.to_styled_text(&style.text);
5859 let text_len = highlighted_text.text.len();
5860
5861 let cursor_relative_position = window
5862 .text_system()
5863 .layout_line(
5864 highlighted_text.text,
5865 style.text.font_size.to_pixels(window.rem_size()),
5866 // We don't need to include highlights
5867 // because we are only using this for the cursor position
5868 &[TextRun {
5869 len: text_len,
5870 font: style.text.font(),
5871 color: style.text.color,
5872 background_color: None,
5873 underline: None,
5874 strikethrough: None,
5875 }],
5876 )
5877 .log_err()
5878 .map(|line| {
5879 line.x_for_index(
5880 target_point.column.saturating_sub(start_point.column) as usize
5881 )
5882 });
5883
5884 let fade_before = start_point.column > 0;
5885 let fade_after = end_point.column < snapshot.line_len(end_point.row);
5886
5887 let background = cx.theme().colors().elevated_surface_background;
5888
5889 let preview = h_flex()
5890 .relative()
5891 .child(styled_text)
5892 .when(fade_before, |parent| {
5893 parent.child(div().absolute().top_0().left_0().w_4().h_full().bg(
5894 linear_gradient(
5895 90.,
5896 linear_color_stop(background, 0.),
5897 linear_color_stop(background.opacity(0.), 1.),
5898 ),
5899 ))
5900 })
5901 .when(fade_after, |parent| {
5902 parent.child(div().absolute().top_0().right_0().w_4().h_full().bg(
5903 linear_gradient(
5904 -90.,
5905 linear_color_stop(background, 0.),
5906 linear_color_stop(background.opacity(0.), 1.),
5907 ),
5908 ))
5909 })
5910 .when_some(cursor_relative_position, |parent, position| {
5911 parent.child(
5912 div()
5913 .w(px(2.))
5914 .h_full()
5915 .bg(cursor_color)
5916 .absolute()
5917 .top_0()
5918 .left(position),
5919 )
5920 });
5921
5922 Some(base.child(preview))
5923 }
5924 }
5925 }
5926
5927 fn render_context_menu(
5928 &self,
5929 style: &EditorStyle,
5930 max_height_in_lines: u32,
5931 y_flipped: bool,
5932 window: &mut Window,
5933 cx: &mut Context<Editor>,
5934 ) -> Option<AnyElement> {
5935 let menu = self.context_menu.borrow();
5936 let menu = menu.as_ref()?;
5937 if !menu.visible() {
5938 return None;
5939 };
5940 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
5941 }
5942
5943 fn render_context_menu_aside(
5944 &self,
5945 style: &EditorStyle,
5946 max_size: Size<Pixels>,
5947 cx: &mut Context<Editor>,
5948 ) -> Option<AnyElement> {
5949 self.context_menu.borrow().as_ref().and_then(|menu| {
5950 if menu.visible() {
5951 menu.render_aside(
5952 style,
5953 max_size,
5954 self.workspace.as_ref().map(|(w, _)| w.clone()),
5955 cx,
5956 )
5957 } else {
5958 None
5959 }
5960 })
5961 }
5962
5963 fn hide_context_menu(
5964 &mut self,
5965 window: &mut Window,
5966 cx: &mut Context<Self>,
5967 ) -> Option<CodeContextMenu> {
5968 cx.notify();
5969 self.completion_tasks.clear();
5970 let context_menu = self.context_menu.borrow_mut().take();
5971 self.stale_inline_completion_in_menu.take();
5972 self.update_visible_inline_completion(window, cx);
5973 context_menu
5974 }
5975
5976 fn show_snippet_choices(
5977 &mut self,
5978 choices: &Vec<String>,
5979 selection: Range<Anchor>,
5980 cx: &mut Context<Self>,
5981 ) {
5982 if selection.start.buffer_id.is_none() {
5983 return;
5984 }
5985 let buffer_id = selection.start.buffer_id.unwrap();
5986 let buffer = self.buffer().read(cx).buffer(buffer_id);
5987 let id = post_inc(&mut self.next_completion_id);
5988
5989 if let Some(buffer) = buffer {
5990 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5991 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5992 ));
5993 }
5994 }
5995
5996 pub fn insert_snippet(
5997 &mut self,
5998 insertion_ranges: &[Range<usize>],
5999 snippet: Snippet,
6000 window: &mut Window,
6001 cx: &mut Context<Self>,
6002 ) -> Result<()> {
6003 struct Tabstop<T> {
6004 is_end_tabstop: bool,
6005 ranges: Vec<Range<T>>,
6006 choices: Option<Vec<String>>,
6007 }
6008
6009 let tabstops = self.buffer.update(cx, |buffer, cx| {
6010 let snippet_text: Arc<str> = snippet.text.clone().into();
6011 buffer.edit(
6012 insertion_ranges
6013 .iter()
6014 .cloned()
6015 .map(|range| (range, snippet_text.clone())),
6016 Some(AutoindentMode::EachLine),
6017 cx,
6018 );
6019
6020 let snapshot = &*buffer.read(cx);
6021 let snippet = &snippet;
6022 snippet
6023 .tabstops
6024 .iter()
6025 .map(|tabstop| {
6026 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
6027 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
6028 });
6029 let mut tabstop_ranges = tabstop
6030 .ranges
6031 .iter()
6032 .flat_map(|tabstop_range| {
6033 let mut delta = 0_isize;
6034 insertion_ranges.iter().map(move |insertion_range| {
6035 let insertion_start = insertion_range.start as isize + delta;
6036 delta +=
6037 snippet.text.len() as isize - insertion_range.len() as isize;
6038
6039 let start = ((insertion_start + tabstop_range.start) as usize)
6040 .min(snapshot.len());
6041 let end = ((insertion_start + tabstop_range.end) as usize)
6042 .min(snapshot.len());
6043 snapshot.anchor_before(start)..snapshot.anchor_after(end)
6044 })
6045 })
6046 .collect::<Vec<_>>();
6047 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
6048
6049 Tabstop {
6050 is_end_tabstop,
6051 ranges: tabstop_ranges,
6052 choices: tabstop.choices.clone(),
6053 }
6054 })
6055 .collect::<Vec<_>>()
6056 });
6057 if let Some(tabstop) = tabstops.first() {
6058 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6059 s.select_ranges(tabstop.ranges.iter().cloned());
6060 });
6061
6062 if let Some(choices) = &tabstop.choices {
6063 if let Some(selection) = tabstop.ranges.first() {
6064 self.show_snippet_choices(choices, selection.clone(), cx)
6065 }
6066 }
6067
6068 // If we're already at the last tabstop and it's at the end of the snippet,
6069 // we're done, we don't need to keep the state around.
6070 if !tabstop.is_end_tabstop {
6071 let choices = tabstops
6072 .iter()
6073 .map(|tabstop| tabstop.choices.clone())
6074 .collect();
6075
6076 let ranges = tabstops
6077 .into_iter()
6078 .map(|tabstop| tabstop.ranges)
6079 .collect::<Vec<_>>();
6080
6081 self.snippet_stack.push(SnippetState {
6082 active_index: 0,
6083 ranges,
6084 choices,
6085 });
6086 }
6087
6088 // Check whether the just-entered snippet ends with an auto-closable bracket.
6089 if self.autoclose_regions.is_empty() {
6090 let snapshot = self.buffer.read(cx).snapshot(cx);
6091 for selection in &mut self.selections.all::<Point>(cx) {
6092 let selection_head = selection.head();
6093 let Some(scope) = snapshot.language_scope_at(selection_head) else {
6094 continue;
6095 };
6096
6097 let mut bracket_pair = None;
6098 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
6099 let prev_chars = snapshot
6100 .reversed_chars_at(selection_head)
6101 .collect::<String>();
6102 for (pair, enabled) in scope.brackets() {
6103 if enabled
6104 && pair.close
6105 && prev_chars.starts_with(pair.start.as_str())
6106 && next_chars.starts_with(pair.end.as_str())
6107 {
6108 bracket_pair = Some(pair.clone());
6109 break;
6110 }
6111 }
6112 if let Some(pair) = bracket_pair {
6113 let start = snapshot.anchor_after(selection_head);
6114 let end = snapshot.anchor_after(selection_head);
6115 self.autoclose_regions.push(AutocloseRegion {
6116 selection_id: selection.id,
6117 range: start..end,
6118 pair,
6119 });
6120 }
6121 }
6122 }
6123 }
6124 Ok(())
6125 }
6126
6127 pub fn move_to_next_snippet_tabstop(
6128 &mut self,
6129 window: &mut Window,
6130 cx: &mut Context<Self>,
6131 ) -> bool {
6132 self.move_to_snippet_tabstop(Bias::Right, window, cx)
6133 }
6134
6135 pub fn move_to_prev_snippet_tabstop(
6136 &mut self,
6137 window: &mut Window,
6138 cx: &mut Context<Self>,
6139 ) -> bool {
6140 self.move_to_snippet_tabstop(Bias::Left, window, cx)
6141 }
6142
6143 pub fn move_to_snippet_tabstop(
6144 &mut self,
6145 bias: Bias,
6146 window: &mut Window,
6147 cx: &mut Context<Self>,
6148 ) -> bool {
6149 if let Some(mut snippet) = self.snippet_stack.pop() {
6150 match bias {
6151 Bias::Left => {
6152 if snippet.active_index > 0 {
6153 snippet.active_index -= 1;
6154 } else {
6155 self.snippet_stack.push(snippet);
6156 return false;
6157 }
6158 }
6159 Bias::Right => {
6160 if snippet.active_index + 1 < snippet.ranges.len() {
6161 snippet.active_index += 1;
6162 } else {
6163 self.snippet_stack.push(snippet);
6164 return false;
6165 }
6166 }
6167 }
6168 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
6169 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6170 s.select_anchor_ranges(current_ranges.iter().cloned())
6171 });
6172
6173 if let Some(choices) = &snippet.choices[snippet.active_index] {
6174 if let Some(selection) = current_ranges.first() {
6175 self.show_snippet_choices(&choices, selection.clone(), cx);
6176 }
6177 }
6178
6179 // If snippet state is not at the last tabstop, push it back on the stack
6180 if snippet.active_index + 1 < snippet.ranges.len() {
6181 self.snippet_stack.push(snippet);
6182 }
6183 return true;
6184 }
6185 }
6186
6187 false
6188 }
6189
6190 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6191 self.transact(window, cx, |this, window, cx| {
6192 this.select_all(&SelectAll, window, cx);
6193 this.insert("", window, cx);
6194 });
6195 }
6196
6197 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
6198 self.transact(window, cx, |this, window, cx| {
6199 this.select_autoclose_pair(window, cx);
6200 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
6201 if !this.linked_edit_ranges.is_empty() {
6202 let selections = this.selections.all::<MultiBufferPoint>(cx);
6203 let snapshot = this.buffer.read(cx).snapshot(cx);
6204
6205 for selection in selections.iter() {
6206 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
6207 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
6208 if selection_start.buffer_id != selection_end.buffer_id {
6209 continue;
6210 }
6211 if let Some(ranges) =
6212 this.linked_editing_ranges_for(selection_start..selection_end, cx)
6213 {
6214 for (buffer, entries) in ranges {
6215 linked_ranges.entry(buffer).or_default().extend(entries);
6216 }
6217 }
6218 }
6219 }
6220
6221 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
6222 if !this.selections.line_mode {
6223 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
6224 for selection in &mut selections {
6225 if selection.is_empty() {
6226 let old_head = selection.head();
6227 let mut new_head =
6228 movement::left(&display_map, old_head.to_display_point(&display_map))
6229 .to_point(&display_map);
6230 if let Some((buffer, line_buffer_range)) = display_map
6231 .buffer_snapshot
6232 .buffer_line_for_row(MultiBufferRow(old_head.row))
6233 {
6234 let indent_size =
6235 buffer.indent_size_for_line(line_buffer_range.start.row);
6236 let indent_len = match indent_size.kind {
6237 IndentKind::Space => {
6238 buffer.settings_at(line_buffer_range.start, cx).tab_size
6239 }
6240 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
6241 };
6242 if old_head.column <= indent_size.len && old_head.column > 0 {
6243 let indent_len = indent_len.get();
6244 new_head = cmp::min(
6245 new_head,
6246 MultiBufferPoint::new(
6247 old_head.row,
6248 ((old_head.column - 1) / indent_len) * indent_len,
6249 ),
6250 );
6251 }
6252 }
6253
6254 selection.set_head(new_head, SelectionGoal::None);
6255 }
6256 }
6257 }
6258
6259 this.signature_help_state.set_backspace_pressed(true);
6260 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6261 s.select(selections)
6262 });
6263 this.insert("", window, cx);
6264 let empty_str: Arc<str> = Arc::from("");
6265 for (buffer, edits) in linked_ranges {
6266 let snapshot = buffer.read(cx).snapshot();
6267 use text::ToPoint as TP;
6268
6269 let edits = edits
6270 .into_iter()
6271 .map(|range| {
6272 let end_point = TP::to_point(&range.end, &snapshot);
6273 let mut start_point = TP::to_point(&range.start, &snapshot);
6274
6275 if end_point == start_point {
6276 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
6277 .saturating_sub(1);
6278 start_point =
6279 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
6280 };
6281
6282 (start_point..end_point, empty_str.clone())
6283 })
6284 .sorted_by_key(|(range, _)| range.start)
6285 .collect::<Vec<_>>();
6286 buffer.update(cx, |this, cx| {
6287 this.edit(edits, None, cx);
6288 })
6289 }
6290 this.refresh_inline_completion(true, false, window, cx);
6291 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
6292 });
6293 }
6294
6295 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
6296 self.transact(window, cx, |this, window, cx| {
6297 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6298 let line_mode = s.line_mode;
6299 s.move_with(|map, selection| {
6300 if selection.is_empty() && !line_mode {
6301 let cursor = movement::right(map, selection.head());
6302 selection.end = cursor;
6303 selection.reversed = true;
6304 selection.goal = SelectionGoal::None;
6305 }
6306 })
6307 });
6308 this.insert("", window, cx);
6309 this.refresh_inline_completion(true, false, window, cx);
6310 });
6311 }
6312
6313 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
6314 if self.move_to_prev_snippet_tabstop(window, cx) {
6315 return;
6316 }
6317
6318 self.outdent(&Outdent, window, cx);
6319 }
6320
6321 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
6322 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
6323 return;
6324 }
6325
6326 let mut selections = self.selections.all_adjusted(cx);
6327 let buffer = self.buffer.read(cx);
6328 let snapshot = buffer.snapshot(cx);
6329 let rows_iter = selections.iter().map(|s| s.head().row);
6330 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
6331
6332 let mut edits = Vec::new();
6333 let mut prev_edited_row = 0;
6334 let mut row_delta = 0;
6335 for selection in &mut selections {
6336 if selection.start.row != prev_edited_row {
6337 row_delta = 0;
6338 }
6339 prev_edited_row = selection.end.row;
6340
6341 // If the selection is non-empty, then increase the indentation of the selected lines.
6342 if !selection.is_empty() {
6343 row_delta =
6344 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6345 continue;
6346 }
6347
6348 // If the selection is empty and the cursor is in the leading whitespace before the
6349 // suggested indentation, then auto-indent the line.
6350 let cursor = selection.head();
6351 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
6352 if let Some(suggested_indent) =
6353 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
6354 {
6355 if cursor.column < suggested_indent.len
6356 && cursor.column <= current_indent.len
6357 && current_indent.len <= suggested_indent.len
6358 {
6359 selection.start = Point::new(cursor.row, suggested_indent.len);
6360 selection.end = selection.start;
6361 if row_delta == 0 {
6362 edits.extend(Buffer::edit_for_indent_size_adjustment(
6363 cursor.row,
6364 current_indent,
6365 suggested_indent,
6366 ));
6367 row_delta = suggested_indent.len - current_indent.len;
6368 }
6369 continue;
6370 }
6371 }
6372
6373 // Otherwise, insert a hard or soft tab.
6374 let settings = buffer.settings_at(cursor, cx);
6375 let tab_size = if settings.hard_tabs {
6376 IndentSize::tab()
6377 } else {
6378 let tab_size = settings.tab_size.get();
6379 let char_column = snapshot
6380 .text_for_range(Point::new(cursor.row, 0)..cursor)
6381 .flat_map(str::chars)
6382 .count()
6383 + row_delta as usize;
6384 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
6385 IndentSize::spaces(chars_to_next_tab_stop)
6386 };
6387 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
6388 selection.end = selection.start;
6389 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
6390 row_delta += tab_size.len;
6391 }
6392
6393 self.transact(window, cx, |this, window, cx| {
6394 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6395 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6396 s.select(selections)
6397 });
6398 this.refresh_inline_completion(true, false, window, cx);
6399 });
6400 }
6401
6402 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
6403 if self.read_only(cx) {
6404 return;
6405 }
6406 let mut selections = self.selections.all::<Point>(cx);
6407 let mut prev_edited_row = 0;
6408 let mut row_delta = 0;
6409 let mut edits = Vec::new();
6410 let buffer = self.buffer.read(cx);
6411 let snapshot = buffer.snapshot(cx);
6412 for selection in &mut selections {
6413 if selection.start.row != prev_edited_row {
6414 row_delta = 0;
6415 }
6416 prev_edited_row = selection.end.row;
6417
6418 row_delta =
6419 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
6420 }
6421
6422 self.transact(window, cx, |this, window, cx| {
6423 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
6424 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6425 s.select(selections)
6426 });
6427 });
6428 }
6429
6430 fn indent_selection(
6431 buffer: &MultiBuffer,
6432 snapshot: &MultiBufferSnapshot,
6433 selection: &mut Selection<Point>,
6434 edits: &mut Vec<(Range<Point>, String)>,
6435 delta_for_start_row: u32,
6436 cx: &App,
6437 ) -> u32 {
6438 let settings = buffer.settings_at(selection.start, cx);
6439 let tab_size = settings.tab_size.get();
6440 let indent_kind = if settings.hard_tabs {
6441 IndentKind::Tab
6442 } else {
6443 IndentKind::Space
6444 };
6445 let mut start_row = selection.start.row;
6446 let mut end_row = selection.end.row + 1;
6447
6448 // If a selection ends at the beginning of a line, don't indent
6449 // that last line.
6450 if selection.end.column == 0 && selection.end.row > selection.start.row {
6451 end_row -= 1;
6452 }
6453
6454 // Avoid re-indenting a row that has already been indented by a
6455 // previous selection, but still update this selection's column
6456 // to reflect that indentation.
6457 if delta_for_start_row > 0 {
6458 start_row += 1;
6459 selection.start.column += delta_for_start_row;
6460 if selection.end.row == selection.start.row {
6461 selection.end.column += delta_for_start_row;
6462 }
6463 }
6464
6465 let mut delta_for_end_row = 0;
6466 let has_multiple_rows = start_row + 1 != end_row;
6467 for row in start_row..end_row {
6468 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6469 let indent_delta = match (current_indent.kind, indent_kind) {
6470 (IndentKind::Space, IndentKind::Space) => {
6471 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6472 IndentSize::spaces(columns_to_next_tab_stop)
6473 }
6474 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6475 (_, IndentKind::Tab) => IndentSize::tab(),
6476 };
6477
6478 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6479 0
6480 } else {
6481 selection.start.column
6482 };
6483 let row_start = Point::new(row, start);
6484 edits.push((
6485 row_start..row_start,
6486 indent_delta.chars().collect::<String>(),
6487 ));
6488
6489 // Update this selection's endpoints to reflect the indentation.
6490 if row == selection.start.row {
6491 selection.start.column += indent_delta.len;
6492 }
6493 if row == selection.end.row {
6494 selection.end.column += indent_delta.len;
6495 delta_for_end_row = indent_delta.len;
6496 }
6497 }
6498
6499 if selection.start.row == selection.end.row {
6500 delta_for_start_row + delta_for_end_row
6501 } else {
6502 delta_for_end_row
6503 }
6504 }
6505
6506 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6507 if self.read_only(cx) {
6508 return;
6509 }
6510 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6511 let selections = self.selections.all::<Point>(cx);
6512 let mut deletion_ranges = Vec::new();
6513 let mut last_outdent = None;
6514 {
6515 let buffer = self.buffer.read(cx);
6516 let snapshot = buffer.snapshot(cx);
6517 for selection in &selections {
6518 let settings = buffer.settings_at(selection.start, cx);
6519 let tab_size = settings.tab_size.get();
6520 let mut rows = selection.spanned_rows(false, &display_map);
6521
6522 // Avoid re-outdenting a row that has already been outdented by a
6523 // previous selection.
6524 if let Some(last_row) = last_outdent {
6525 if last_row == rows.start {
6526 rows.start = rows.start.next_row();
6527 }
6528 }
6529 let has_multiple_rows = rows.len() > 1;
6530 for row in rows.iter_rows() {
6531 let indent_size = snapshot.indent_size_for_line(row);
6532 if indent_size.len > 0 {
6533 let deletion_len = match indent_size.kind {
6534 IndentKind::Space => {
6535 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6536 if columns_to_prev_tab_stop == 0 {
6537 tab_size
6538 } else {
6539 columns_to_prev_tab_stop
6540 }
6541 }
6542 IndentKind::Tab => 1,
6543 };
6544 let start = if has_multiple_rows
6545 || deletion_len > selection.start.column
6546 || indent_size.len < selection.start.column
6547 {
6548 0
6549 } else {
6550 selection.start.column - deletion_len
6551 };
6552 deletion_ranges.push(
6553 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6554 );
6555 last_outdent = Some(row);
6556 }
6557 }
6558 }
6559 }
6560
6561 self.transact(window, cx, |this, window, cx| {
6562 this.buffer.update(cx, |buffer, cx| {
6563 let empty_str: Arc<str> = Arc::default();
6564 buffer.edit(
6565 deletion_ranges
6566 .into_iter()
6567 .map(|range| (range, empty_str.clone())),
6568 None,
6569 cx,
6570 );
6571 });
6572 let selections = this.selections.all::<usize>(cx);
6573 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6574 s.select(selections)
6575 });
6576 });
6577 }
6578
6579 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6580 if self.read_only(cx) {
6581 return;
6582 }
6583 let selections = self
6584 .selections
6585 .all::<usize>(cx)
6586 .into_iter()
6587 .map(|s| s.range());
6588
6589 self.transact(window, cx, |this, window, cx| {
6590 this.buffer.update(cx, |buffer, cx| {
6591 buffer.autoindent_ranges(selections, cx);
6592 });
6593 let selections = this.selections.all::<usize>(cx);
6594 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6595 s.select(selections)
6596 });
6597 });
6598 }
6599
6600 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6601 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6602 let selections = self.selections.all::<Point>(cx);
6603
6604 let mut new_cursors = Vec::new();
6605 let mut edit_ranges = Vec::new();
6606 let mut selections = selections.iter().peekable();
6607 while let Some(selection) = selections.next() {
6608 let mut rows = selection.spanned_rows(false, &display_map);
6609 let goal_display_column = selection.head().to_display_point(&display_map).column();
6610
6611 // Accumulate contiguous regions of rows that we want to delete.
6612 while let Some(next_selection) = selections.peek() {
6613 let next_rows = next_selection.spanned_rows(false, &display_map);
6614 if next_rows.start <= rows.end {
6615 rows.end = next_rows.end;
6616 selections.next().unwrap();
6617 } else {
6618 break;
6619 }
6620 }
6621
6622 let buffer = &display_map.buffer_snapshot;
6623 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6624 let edit_end;
6625 let cursor_buffer_row;
6626 if buffer.max_point().row >= rows.end.0 {
6627 // If there's a line after the range, delete the \n from the end of the row range
6628 // and position the cursor on the next line.
6629 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6630 cursor_buffer_row = rows.end;
6631 } else {
6632 // If there isn't a line after the range, delete the \n from the line before the
6633 // start of the row range and position the cursor there.
6634 edit_start = edit_start.saturating_sub(1);
6635 edit_end = buffer.len();
6636 cursor_buffer_row = rows.start.previous_row();
6637 }
6638
6639 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6640 *cursor.column_mut() =
6641 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6642
6643 new_cursors.push((
6644 selection.id,
6645 buffer.anchor_after(cursor.to_point(&display_map)),
6646 ));
6647 edit_ranges.push(edit_start..edit_end);
6648 }
6649
6650 self.transact(window, cx, |this, window, cx| {
6651 let buffer = this.buffer.update(cx, |buffer, cx| {
6652 let empty_str: Arc<str> = Arc::default();
6653 buffer.edit(
6654 edit_ranges
6655 .into_iter()
6656 .map(|range| (range, empty_str.clone())),
6657 None,
6658 cx,
6659 );
6660 buffer.snapshot(cx)
6661 });
6662 let new_selections = new_cursors
6663 .into_iter()
6664 .map(|(id, cursor)| {
6665 let cursor = cursor.to_point(&buffer);
6666 Selection {
6667 id,
6668 start: cursor,
6669 end: cursor,
6670 reversed: false,
6671 goal: SelectionGoal::None,
6672 }
6673 })
6674 .collect();
6675
6676 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6677 s.select(new_selections);
6678 });
6679 });
6680 }
6681
6682 pub fn join_lines_impl(
6683 &mut self,
6684 insert_whitespace: bool,
6685 window: &mut Window,
6686 cx: &mut Context<Self>,
6687 ) {
6688 if self.read_only(cx) {
6689 return;
6690 }
6691 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6692 for selection in self.selections.all::<Point>(cx) {
6693 let start = MultiBufferRow(selection.start.row);
6694 // Treat single line selections as if they include the next line. Otherwise this action
6695 // would do nothing for single line selections individual cursors.
6696 let end = if selection.start.row == selection.end.row {
6697 MultiBufferRow(selection.start.row + 1)
6698 } else {
6699 MultiBufferRow(selection.end.row)
6700 };
6701
6702 if let Some(last_row_range) = row_ranges.last_mut() {
6703 if start <= last_row_range.end {
6704 last_row_range.end = end;
6705 continue;
6706 }
6707 }
6708 row_ranges.push(start..end);
6709 }
6710
6711 let snapshot = self.buffer.read(cx).snapshot(cx);
6712 let mut cursor_positions = Vec::new();
6713 for row_range in &row_ranges {
6714 let anchor = snapshot.anchor_before(Point::new(
6715 row_range.end.previous_row().0,
6716 snapshot.line_len(row_range.end.previous_row()),
6717 ));
6718 cursor_positions.push(anchor..anchor);
6719 }
6720
6721 self.transact(window, cx, |this, window, cx| {
6722 for row_range in row_ranges.into_iter().rev() {
6723 for row in row_range.iter_rows().rev() {
6724 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6725 let next_line_row = row.next_row();
6726 let indent = snapshot.indent_size_for_line(next_line_row);
6727 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6728
6729 let replace =
6730 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6731 " "
6732 } else {
6733 ""
6734 };
6735
6736 this.buffer.update(cx, |buffer, cx| {
6737 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6738 });
6739 }
6740 }
6741
6742 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6743 s.select_anchor_ranges(cursor_positions)
6744 });
6745 });
6746 }
6747
6748 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6749 self.join_lines_impl(true, window, cx);
6750 }
6751
6752 pub fn sort_lines_case_sensitive(
6753 &mut self,
6754 _: &SortLinesCaseSensitive,
6755 window: &mut Window,
6756 cx: &mut Context<Self>,
6757 ) {
6758 self.manipulate_lines(window, cx, |lines| lines.sort())
6759 }
6760
6761 pub fn sort_lines_case_insensitive(
6762 &mut self,
6763 _: &SortLinesCaseInsensitive,
6764 window: &mut Window,
6765 cx: &mut Context<Self>,
6766 ) {
6767 self.manipulate_lines(window, cx, |lines| {
6768 lines.sort_by_key(|line| line.to_lowercase())
6769 })
6770 }
6771
6772 pub fn unique_lines_case_insensitive(
6773 &mut self,
6774 _: &UniqueLinesCaseInsensitive,
6775 window: &mut Window,
6776 cx: &mut Context<Self>,
6777 ) {
6778 self.manipulate_lines(window, cx, |lines| {
6779 let mut seen = HashSet::default();
6780 lines.retain(|line| seen.insert(line.to_lowercase()));
6781 })
6782 }
6783
6784 pub fn unique_lines_case_sensitive(
6785 &mut self,
6786 _: &UniqueLinesCaseSensitive,
6787 window: &mut Window,
6788 cx: &mut Context<Self>,
6789 ) {
6790 self.manipulate_lines(window, cx, |lines| {
6791 let mut seen = HashSet::default();
6792 lines.retain(|line| seen.insert(*line));
6793 })
6794 }
6795
6796 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6797 let mut revert_changes = HashMap::default();
6798 let snapshot = self.snapshot(window, cx);
6799 for hunk in snapshot
6800 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6801 {
6802 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6803 }
6804 if !revert_changes.is_empty() {
6805 self.transact(window, cx, |editor, window, cx| {
6806 editor.revert(revert_changes, window, cx);
6807 });
6808 }
6809 }
6810
6811 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6812 let Some(project) = self.project.clone() else {
6813 return;
6814 };
6815 self.reload(project, window, cx)
6816 .detach_and_notify_err(window, cx);
6817 }
6818
6819 pub fn revert_selected_hunks(
6820 &mut self,
6821 _: &RevertSelectedHunks,
6822 window: &mut Window,
6823 cx: &mut Context<Self>,
6824 ) {
6825 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6826 self.revert_hunks_in_ranges(selections, window, cx);
6827 }
6828
6829 fn revert_hunks_in_ranges(
6830 &mut self,
6831 ranges: impl Iterator<Item = Range<Point>>,
6832 window: &mut Window,
6833 cx: &mut Context<Editor>,
6834 ) {
6835 let mut revert_changes = HashMap::default();
6836 let snapshot = self.snapshot(window, cx);
6837 for hunk in &snapshot.hunks_for_ranges(ranges) {
6838 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6839 }
6840 if !revert_changes.is_empty() {
6841 self.transact(window, cx, |editor, window, cx| {
6842 editor.revert(revert_changes, window, cx);
6843 });
6844 }
6845 }
6846
6847 pub fn open_active_item_in_terminal(
6848 &mut self,
6849 _: &OpenInTerminal,
6850 window: &mut Window,
6851 cx: &mut Context<Self>,
6852 ) {
6853 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6854 let project_path = buffer.read(cx).project_path(cx)?;
6855 let project = self.project.as_ref()?.read(cx);
6856 let entry = project.entry_for_path(&project_path, cx)?;
6857 let parent = match &entry.canonical_path {
6858 Some(canonical_path) => canonical_path.to_path_buf(),
6859 None => project.absolute_path(&project_path, cx)?,
6860 }
6861 .parent()?
6862 .to_path_buf();
6863 Some(parent)
6864 }) {
6865 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6866 }
6867 }
6868
6869 pub fn prepare_revert_change(
6870 &self,
6871 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6872 hunk: &MultiBufferDiffHunk,
6873 cx: &mut App,
6874 ) -> Option<()> {
6875 let buffer = self.buffer.read(cx);
6876 let diff = buffer.diff_for(hunk.buffer_id)?;
6877 let buffer = buffer.buffer(hunk.buffer_id)?;
6878 let buffer = buffer.read(cx);
6879 let original_text = diff
6880 .read(cx)
6881 .snapshot
6882 .base_text
6883 .as_ref()?
6884 .as_rope()
6885 .slice(hunk.diff_base_byte_range.clone());
6886 let buffer_snapshot = buffer.snapshot();
6887 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6888 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6889 probe
6890 .0
6891 .start
6892 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6893 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6894 }) {
6895 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6896 Some(())
6897 } else {
6898 None
6899 }
6900 }
6901
6902 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
6903 self.manipulate_lines(window, cx, |lines| lines.reverse())
6904 }
6905
6906 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
6907 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
6908 }
6909
6910 fn manipulate_lines<Fn>(
6911 &mut self,
6912 window: &mut Window,
6913 cx: &mut Context<Self>,
6914 mut callback: Fn,
6915 ) where
6916 Fn: FnMut(&mut Vec<&str>),
6917 {
6918 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6919 let buffer = self.buffer.read(cx).snapshot(cx);
6920
6921 let mut edits = Vec::new();
6922
6923 let selections = self.selections.all::<Point>(cx);
6924 let mut selections = selections.iter().peekable();
6925 let mut contiguous_row_selections = Vec::new();
6926 let mut new_selections = Vec::new();
6927 let mut added_lines = 0;
6928 let mut removed_lines = 0;
6929
6930 while let Some(selection) = selections.next() {
6931 let (start_row, end_row) = consume_contiguous_rows(
6932 &mut contiguous_row_selections,
6933 selection,
6934 &display_map,
6935 &mut selections,
6936 );
6937
6938 let start_point = Point::new(start_row.0, 0);
6939 let end_point = Point::new(
6940 end_row.previous_row().0,
6941 buffer.line_len(end_row.previous_row()),
6942 );
6943 let text = buffer
6944 .text_for_range(start_point..end_point)
6945 .collect::<String>();
6946
6947 let mut lines = text.split('\n').collect_vec();
6948
6949 let lines_before = lines.len();
6950 callback(&mut lines);
6951 let lines_after = lines.len();
6952
6953 edits.push((start_point..end_point, lines.join("\n")));
6954
6955 // Selections must change based on added and removed line count
6956 let start_row =
6957 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6958 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6959 new_selections.push(Selection {
6960 id: selection.id,
6961 start: start_row,
6962 end: end_row,
6963 goal: SelectionGoal::None,
6964 reversed: selection.reversed,
6965 });
6966
6967 if lines_after > lines_before {
6968 added_lines += lines_after - lines_before;
6969 } else if lines_before > lines_after {
6970 removed_lines += lines_before - lines_after;
6971 }
6972 }
6973
6974 self.transact(window, cx, |this, window, cx| {
6975 let buffer = this.buffer.update(cx, |buffer, cx| {
6976 buffer.edit(edits, None, cx);
6977 buffer.snapshot(cx)
6978 });
6979
6980 // Recalculate offsets on newly edited buffer
6981 let new_selections = new_selections
6982 .iter()
6983 .map(|s| {
6984 let start_point = Point::new(s.start.0, 0);
6985 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6986 Selection {
6987 id: s.id,
6988 start: buffer.point_to_offset(start_point),
6989 end: buffer.point_to_offset(end_point),
6990 goal: s.goal,
6991 reversed: s.reversed,
6992 }
6993 })
6994 .collect();
6995
6996 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6997 s.select(new_selections);
6998 });
6999
7000 this.request_autoscroll(Autoscroll::fit(), cx);
7001 });
7002 }
7003
7004 pub fn convert_to_upper_case(
7005 &mut self,
7006 _: &ConvertToUpperCase,
7007 window: &mut Window,
7008 cx: &mut Context<Self>,
7009 ) {
7010 self.manipulate_text(window, cx, |text| text.to_uppercase())
7011 }
7012
7013 pub fn convert_to_lower_case(
7014 &mut self,
7015 _: &ConvertToLowerCase,
7016 window: &mut Window,
7017 cx: &mut Context<Self>,
7018 ) {
7019 self.manipulate_text(window, cx, |text| text.to_lowercase())
7020 }
7021
7022 pub fn convert_to_title_case(
7023 &mut self,
7024 _: &ConvertToTitleCase,
7025 window: &mut Window,
7026 cx: &mut Context<Self>,
7027 ) {
7028 self.manipulate_text(window, cx, |text| {
7029 text.split('\n')
7030 .map(|line| line.to_case(Case::Title))
7031 .join("\n")
7032 })
7033 }
7034
7035 pub fn convert_to_snake_case(
7036 &mut self,
7037 _: &ConvertToSnakeCase,
7038 window: &mut Window,
7039 cx: &mut Context<Self>,
7040 ) {
7041 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
7042 }
7043
7044 pub fn convert_to_kebab_case(
7045 &mut self,
7046 _: &ConvertToKebabCase,
7047 window: &mut Window,
7048 cx: &mut Context<Self>,
7049 ) {
7050 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
7051 }
7052
7053 pub fn convert_to_upper_camel_case(
7054 &mut self,
7055 _: &ConvertToUpperCamelCase,
7056 window: &mut Window,
7057 cx: &mut Context<Self>,
7058 ) {
7059 self.manipulate_text(window, cx, |text| {
7060 text.split('\n')
7061 .map(|line| line.to_case(Case::UpperCamel))
7062 .join("\n")
7063 })
7064 }
7065
7066 pub fn convert_to_lower_camel_case(
7067 &mut self,
7068 _: &ConvertToLowerCamelCase,
7069 window: &mut Window,
7070 cx: &mut Context<Self>,
7071 ) {
7072 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
7073 }
7074
7075 pub fn convert_to_opposite_case(
7076 &mut self,
7077 _: &ConvertToOppositeCase,
7078 window: &mut Window,
7079 cx: &mut Context<Self>,
7080 ) {
7081 self.manipulate_text(window, cx, |text| {
7082 text.chars()
7083 .fold(String::with_capacity(text.len()), |mut t, c| {
7084 if c.is_uppercase() {
7085 t.extend(c.to_lowercase());
7086 } else {
7087 t.extend(c.to_uppercase());
7088 }
7089 t
7090 })
7091 })
7092 }
7093
7094 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
7095 where
7096 Fn: FnMut(&str) -> String,
7097 {
7098 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7099 let buffer = self.buffer.read(cx).snapshot(cx);
7100
7101 let mut new_selections = Vec::new();
7102 let mut edits = Vec::new();
7103 let mut selection_adjustment = 0i32;
7104
7105 for selection in self.selections.all::<usize>(cx) {
7106 let selection_is_empty = selection.is_empty();
7107
7108 let (start, end) = if selection_is_empty {
7109 let word_range = movement::surrounding_word(
7110 &display_map,
7111 selection.start.to_display_point(&display_map),
7112 );
7113 let start = word_range.start.to_offset(&display_map, Bias::Left);
7114 let end = word_range.end.to_offset(&display_map, Bias::Left);
7115 (start, end)
7116 } else {
7117 (selection.start, selection.end)
7118 };
7119
7120 let text = buffer.text_for_range(start..end).collect::<String>();
7121 let old_length = text.len() as i32;
7122 let text = callback(&text);
7123
7124 new_selections.push(Selection {
7125 start: (start as i32 - selection_adjustment) as usize,
7126 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
7127 goal: SelectionGoal::None,
7128 ..selection
7129 });
7130
7131 selection_adjustment += old_length - text.len() as i32;
7132
7133 edits.push((start..end, text));
7134 }
7135
7136 self.transact(window, cx, |this, window, cx| {
7137 this.buffer.update(cx, |buffer, cx| {
7138 buffer.edit(edits, None, cx);
7139 });
7140
7141 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7142 s.select(new_selections);
7143 });
7144
7145 this.request_autoscroll(Autoscroll::fit(), cx);
7146 });
7147 }
7148
7149 pub fn duplicate(
7150 &mut self,
7151 upwards: bool,
7152 whole_lines: bool,
7153 window: &mut Window,
7154 cx: &mut Context<Self>,
7155 ) {
7156 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7157 let buffer = &display_map.buffer_snapshot;
7158 let selections = self.selections.all::<Point>(cx);
7159
7160 let mut edits = Vec::new();
7161 let mut selections_iter = selections.iter().peekable();
7162 while let Some(selection) = selections_iter.next() {
7163 let mut rows = selection.spanned_rows(false, &display_map);
7164 // duplicate line-wise
7165 if whole_lines || selection.start == selection.end {
7166 // Avoid duplicating the same lines twice.
7167 while let Some(next_selection) = selections_iter.peek() {
7168 let next_rows = next_selection.spanned_rows(false, &display_map);
7169 if next_rows.start < rows.end {
7170 rows.end = next_rows.end;
7171 selections_iter.next().unwrap();
7172 } else {
7173 break;
7174 }
7175 }
7176
7177 // Copy the text from the selected row region and splice it either at the start
7178 // or end of the region.
7179 let start = Point::new(rows.start.0, 0);
7180 let end = Point::new(
7181 rows.end.previous_row().0,
7182 buffer.line_len(rows.end.previous_row()),
7183 );
7184 let text = buffer
7185 .text_for_range(start..end)
7186 .chain(Some("\n"))
7187 .collect::<String>();
7188 let insert_location = if upwards {
7189 Point::new(rows.end.0, 0)
7190 } else {
7191 start
7192 };
7193 edits.push((insert_location..insert_location, text));
7194 } else {
7195 // duplicate character-wise
7196 let start = selection.start;
7197 let end = selection.end;
7198 let text = buffer.text_for_range(start..end).collect::<String>();
7199 edits.push((selection.end..selection.end, text));
7200 }
7201 }
7202
7203 self.transact(window, cx, |this, _, cx| {
7204 this.buffer.update(cx, |buffer, cx| {
7205 buffer.edit(edits, None, cx);
7206 });
7207
7208 this.request_autoscroll(Autoscroll::fit(), cx);
7209 });
7210 }
7211
7212 pub fn duplicate_line_up(
7213 &mut self,
7214 _: &DuplicateLineUp,
7215 window: &mut Window,
7216 cx: &mut Context<Self>,
7217 ) {
7218 self.duplicate(true, true, window, cx);
7219 }
7220
7221 pub fn duplicate_line_down(
7222 &mut self,
7223 _: &DuplicateLineDown,
7224 window: &mut Window,
7225 cx: &mut Context<Self>,
7226 ) {
7227 self.duplicate(false, true, window, cx);
7228 }
7229
7230 pub fn duplicate_selection(
7231 &mut self,
7232 _: &DuplicateSelection,
7233 window: &mut Window,
7234 cx: &mut Context<Self>,
7235 ) {
7236 self.duplicate(false, false, window, cx);
7237 }
7238
7239 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
7240 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7241 let buffer = self.buffer.read(cx).snapshot(cx);
7242
7243 let mut edits = Vec::new();
7244 let mut unfold_ranges = Vec::new();
7245 let mut refold_creases = Vec::new();
7246
7247 let selections = self.selections.all::<Point>(cx);
7248 let mut selections = selections.iter().peekable();
7249 let mut contiguous_row_selections = Vec::new();
7250 let mut new_selections = Vec::new();
7251
7252 while let Some(selection) = selections.next() {
7253 // Find all the selections that span a contiguous row range
7254 let (start_row, end_row) = consume_contiguous_rows(
7255 &mut contiguous_row_selections,
7256 selection,
7257 &display_map,
7258 &mut selections,
7259 );
7260
7261 // Move the text spanned by the row range to be before the line preceding the row range
7262 if start_row.0 > 0 {
7263 let range_to_move = Point::new(
7264 start_row.previous_row().0,
7265 buffer.line_len(start_row.previous_row()),
7266 )
7267 ..Point::new(
7268 end_row.previous_row().0,
7269 buffer.line_len(end_row.previous_row()),
7270 );
7271 let insertion_point = display_map
7272 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
7273 .0;
7274
7275 // Don't move lines across excerpts
7276 if buffer
7277 .excerpt_containing(insertion_point..range_to_move.end)
7278 .is_some()
7279 {
7280 let text = buffer
7281 .text_for_range(range_to_move.clone())
7282 .flat_map(|s| s.chars())
7283 .skip(1)
7284 .chain(['\n'])
7285 .collect::<String>();
7286
7287 edits.push((
7288 buffer.anchor_after(range_to_move.start)
7289 ..buffer.anchor_before(range_to_move.end),
7290 String::new(),
7291 ));
7292 let insertion_anchor = buffer.anchor_after(insertion_point);
7293 edits.push((insertion_anchor..insertion_anchor, text));
7294
7295 let row_delta = range_to_move.start.row - insertion_point.row + 1;
7296
7297 // Move selections up
7298 new_selections.extend(contiguous_row_selections.drain(..).map(
7299 |mut selection| {
7300 selection.start.row -= row_delta;
7301 selection.end.row -= row_delta;
7302 selection
7303 },
7304 ));
7305
7306 // Move folds up
7307 unfold_ranges.push(range_to_move.clone());
7308 for fold in display_map.folds_in_range(
7309 buffer.anchor_before(range_to_move.start)
7310 ..buffer.anchor_after(range_to_move.end),
7311 ) {
7312 let mut start = fold.range.start.to_point(&buffer);
7313 let mut end = fold.range.end.to_point(&buffer);
7314 start.row -= row_delta;
7315 end.row -= row_delta;
7316 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7317 }
7318 }
7319 }
7320
7321 // If we didn't move line(s), preserve the existing selections
7322 new_selections.append(&mut contiguous_row_selections);
7323 }
7324
7325 self.transact(window, cx, |this, window, cx| {
7326 this.unfold_ranges(&unfold_ranges, true, true, cx);
7327 this.buffer.update(cx, |buffer, cx| {
7328 for (range, text) in edits {
7329 buffer.edit([(range, text)], None, cx);
7330 }
7331 });
7332 this.fold_creases(refold_creases, true, window, cx);
7333 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7334 s.select(new_selections);
7335 })
7336 });
7337 }
7338
7339 pub fn move_line_down(
7340 &mut self,
7341 _: &MoveLineDown,
7342 window: &mut Window,
7343 cx: &mut Context<Self>,
7344 ) {
7345 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7346 let buffer = self.buffer.read(cx).snapshot(cx);
7347
7348 let mut edits = Vec::new();
7349 let mut unfold_ranges = Vec::new();
7350 let mut refold_creases = Vec::new();
7351
7352 let selections = self.selections.all::<Point>(cx);
7353 let mut selections = selections.iter().peekable();
7354 let mut contiguous_row_selections = Vec::new();
7355 let mut new_selections = Vec::new();
7356
7357 while let Some(selection) = selections.next() {
7358 // Find all the selections that span a contiguous row range
7359 let (start_row, end_row) = consume_contiguous_rows(
7360 &mut contiguous_row_selections,
7361 selection,
7362 &display_map,
7363 &mut selections,
7364 );
7365
7366 // Move the text spanned by the row range to be after the last line of the row range
7367 if end_row.0 <= buffer.max_point().row {
7368 let range_to_move =
7369 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
7370 let insertion_point = display_map
7371 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
7372 .0;
7373
7374 // Don't move lines across excerpt boundaries
7375 if buffer
7376 .excerpt_containing(range_to_move.start..insertion_point)
7377 .is_some()
7378 {
7379 let mut text = String::from("\n");
7380 text.extend(buffer.text_for_range(range_to_move.clone()));
7381 text.pop(); // Drop trailing newline
7382 edits.push((
7383 buffer.anchor_after(range_to_move.start)
7384 ..buffer.anchor_before(range_to_move.end),
7385 String::new(),
7386 ));
7387 let insertion_anchor = buffer.anchor_after(insertion_point);
7388 edits.push((insertion_anchor..insertion_anchor, text));
7389
7390 let row_delta = insertion_point.row - range_to_move.end.row + 1;
7391
7392 // Move selections down
7393 new_selections.extend(contiguous_row_selections.drain(..).map(
7394 |mut selection| {
7395 selection.start.row += row_delta;
7396 selection.end.row += row_delta;
7397 selection
7398 },
7399 ));
7400
7401 // Move folds down
7402 unfold_ranges.push(range_to_move.clone());
7403 for fold in display_map.folds_in_range(
7404 buffer.anchor_before(range_to_move.start)
7405 ..buffer.anchor_after(range_to_move.end),
7406 ) {
7407 let mut start = fold.range.start.to_point(&buffer);
7408 let mut end = fold.range.end.to_point(&buffer);
7409 start.row += row_delta;
7410 end.row += row_delta;
7411 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
7412 }
7413 }
7414 }
7415
7416 // If we didn't move line(s), preserve the existing selections
7417 new_selections.append(&mut contiguous_row_selections);
7418 }
7419
7420 self.transact(window, cx, |this, window, cx| {
7421 this.unfold_ranges(&unfold_ranges, true, true, cx);
7422 this.buffer.update(cx, |buffer, cx| {
7423 for (range, text) in edits {
7424 buffer.edit([(range, text)], None, cx);
7425 }
7426 });
7427 this.fold_creases(refold_creases, true, window, cx);
7428 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7429 s.select(new_selections)
7430 });
7431 });
7432 }
7433
7434 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
7435 let text_layout_details = &self.text_layout_details(window);
7436 self.transact(window, cx, |this, window, cx| {
7437 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7438 let mut edits: Vec<(Range<usize>, String)> = Default::default();
7439 let line_mode = s.line_mode;
7440 s.move_with(|display_map, selection| {
7441 if !selection.is_empty() || line_mode {
7442 return;
7443 }
7444
7445 let mut head = selection.head();
7446 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
7447 if head.column() == display_map.line_len(head.row()) {
7448 transpose_offset = display_map
7449 .buffer_snapshot
7450 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7451 }
7452
7453 if transpose_offset == 0 {
7454 return;
7455 }
7456
7457 *head.column_mut() += 1;
7458 head = display_map.clip_point(head, Bias::Right);
7459 let goal = SelectionGoal::HorizontalPosition(
7460 display_map
7461 .x_for_display_point(head, text_layout_details)
7462 .into(),
7463 );
7464 selection.collapse_to(head, goal);
7465
7466 let transpose_start = display_map
7467 .buffer_snapshot
7468 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7469 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7470 let transpose_end = display_map
7471 .buffer_snapshot
7472 .clip_offset(transpose_offset + 1, Bias::Right);
7473 if let Some(ch) =
7474 display_map.buffer_snapshot.chars_at(transpose_start).next()
7475 {
7476 edits.push((transpose_start..transpose_offset, String::new()));
7477 edits.push((transpose_end..transpose_end, ch.to_string()));
7478 }
7479 }
7480 });
7481 edits
7482 });
7483 this.buffer
7484 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7485 let selections = this.selections.all::<usize>(cx);
7486 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7487 s.select(selections);
7488 });
7489 });
7490 }
7491
7492 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7493 self.rewrap_impl(IsVimMode::No, cx)
7494 }
7495
7496 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7497 let buffer = self.buffer.read(cx).snapshot(cx);
7498 let selections = self.selections.all::<Point>(cx);
7499 let mut selections = selections.iter().peekable();
7500
7501 let mut edits = Vec::new();
7502 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7503
7504 while let Some(selection) = selections.next() {
7505 let mut start_row = selection.start.row;
7506 let mut end_row = selection.end.row;
7507
7508 // Skip selections that overlap with a range that has already been rewrapped.
7509 let selection_range = start_row..end_row;
7510 if rewrapped_row_ranges
7511 .iter()
7512 .any(|range| range.overlaps(&selection_range))
7513 {
7514 continue;
7515 }
7516
7517 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7518
7519 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7520 match language_scope.language_name().as_ref() {
7521 "Markdown" | "Plain Text" => {
7522 should_rewrap = true;
7523 }
7524 _ => {}
7525 }
7526 }
7527
7528 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7529
7530 // Since not all lines in the selection may be at the same indent
7531 // level, choose the indent size that is the most common between all
7532 // of the lines.
7533 //
7534 // If there is a tie, we use the deepest indent.
7535 let (indent_size, indent_end) = {
7536 let mut indent_size_occurrences = HashMap::default();
7537 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7538
7539 for row in start_row..=end_row {
7540 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7541 rows_by_indent_size.entry(indent).or_default().push(row);
7542 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7543 }
7544
7545 let indent_size = indent_size_occurrences
7546 .into_iter()
7547 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7548 .map(|(indent, _)| indent)
7549 .unwrap_or_default();
7550 let row = rows_by_indent_size[&indent_size][0];
7551 let indent_end = Point::new(row, indent_size.len);
7552
7553 (indent_size, indent_end)
7554 };
7555
7556 let mut line_prefix = indent_size.chars().collect::<String>();
7557
7558 if let Some(comment_prefix) =
7559 buffer
7560 .language_scope_at(selection.head())
7561 .and_then(|language| {
7562 language
7563 .line_comment_prefixes()
7564 .iter()
7565 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7566 .cloned()
7567 })
7568 {
7569 line_prefix.push_str(&comment_prefix);
7570 should_rewrap = true;
7571 }
7572
7573 if !should_rewrap {
7574 continue;
7575 }
7576
7577 if selection.is_empty() {
7578 'expand_upwards: while start_row > 0 {
7579 let prev_row = start_row - 1;
7580 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7581 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7582 {
7583 start_row = prev_row;
7584 } else {
7585 break 'expand_upwards;
7586 }
7587 }
7588
7589 'expand_downwards: while end_row < buffer.max_point().row {
7590 let next_row = end_row + 1;
7591 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7592 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7593 {
7594 end_row = next_row;
7595 } else {
7596 break 'expand_downwards;
7597 }
7598 }
7599 }
7600
7601 let start = Point::new(start_row, 0);
7602 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7603 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7604 let Some(lines_without_prefixes) = selection_text
7605 .lines()
7606 .map(|line| {
7607 line.strip_prefix(&line_prefix)
7608 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7609 .ok_or_else(|| {
7610 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7611 })
7612 })
7613 .collect::<Result<Vec<_>, _>>()
7614 .log_err()
7615 else {
7616 continue;
7617 };
7618
7619 let wrap_column = buffer
7620 .settings_at(Point::new(start_row, 0), cx)
7621 .preferred_line_length as usize;
7622 let wrapped_text = wrap_with_prefix(
7623 line_prefix,
7624 lines_without_prefixes.join(" "),
7625 wrap_column,
7626 tab_size,
7627 );
7628
7629 // TODO: should always use char-based diff while still supporting cursor behavior that
7630 // matches vim.
7631 let diff = match is_vim_mode {
7632 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7633 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7634 };
7635 let mut offset = start.to_offset(&buffer);
7636 let mut moved_since_edit = true;
7637
7638 for change in diff.iter_all_changes() {
7639 let value = change.value();
7640 match change.tag() {
7641 ChangeTag::Equal => {
7642 offset += value.len();
7643 moved_since_edit = true;
7644 }
7645 ChangeTag::Delete => {
7646 let start = buffer.anchor_after(offset);
7647 let end = buffer.anchor_before(offset + value.len());
7648
7649 if moved_since_edit {
7650 edits.push((start..end, String::new()));
7651 } else {
7652 edits.last_mut().unwrap().0.end = end;
7653 }
7654
7655 offset += value.len();
7656 moved_since_edit = false;
7657 }
7658 ChangeTag::Insert => {
7659 if moved_since_edit {
7660 let anchor = buffer.anchor_after(offset);
7661 edits.push((anchor..anchor, value.to_string()));
7662 } else {
7663 edits.last_mut().unwrap().1.push_str(value);
7664 }
7665
7666 moved_since_edit = false;
7667 }
7668 }
7669 }
7670
7671 rewrapped_row_ranges.push(start_row..=end_row);
7672 }
7673
7674 self.buffer
7675 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7676 }
7677
7678 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7679 let mut text = String::new();
7680 let buffer = self.buffer.read(cx).snapshot(cx);
7681 let mut selections = self.selections.all::<Point>(cx);
7682 let mut clipboard_selections = Vec::with_capacity(selections.len());
7683 {
7684 let max_point = buffer.max_point();
7685 let mut is_first = true;
7686 for selection in &mut selections {
7687 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7688 if is_entire_line {
7689 selection.start = Point::new(selection.start.row, 0);
7690 if !selection.is_empty() && selection.end.column == 0 {
7691 selection.end = cmp::min(max_point, selection.end);
7692 } else {
7693 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7694 }
7695 selection.goal = SelectionGoal::None;
7696 }
7697 if is_first {
7698 is_first = false;
7699 } else {
7700 text += "\n";
7701 }
7702 let mut len = 0;
7703 for chunk in buffer.text_for_range(selection.start..selection.end) {
7704 text.push_str(chunk);
7705 len += chunk.len();
7706 }
7707 clipboard_selections.push(ClipboardSelection {
7708 len,
7709 is_entire_line,
7710 first_line_indent: buffer
7711 .indent_size_for_line(MultiBufferRow(selection.start.row))
7712 .len,
7713 });
7714 }
7715 }
7716
7717 self.transact(window, cx, |this, window, cx| {
7718 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7719 s.select(selections);
7720 });
7721 this.insert("", window, cx);
7722 });
7723 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7724 }
7725
7726 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7727 let item = self.cut_common(window, cx);
7728 cx.write_to_clipboard(item);
7729 }
7730
7731 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7732 self.change_selections(None, window, cx, |s| {
7733 s.move_with(|snapshot, sel| {
7734 if sel.is_empty() {
7735 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7736 }
7737 });
7738 });
7739 let item = self.cut_common(window, cx);
7740 cx.set_global(KillRing(item))
7741 }
7742
7743 pub fn kill_ring_yank(
7744 &mut self,
7745 _: &KillRingYank,
7746 window: &mut Window,
7747 cx: &mut Context<Self>,
7748 ) {
7749 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7750 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7751 (kill_ring.text().to_string(), kill_ring.metadata_json())
7752 } else {
7753 return;
7754 }
7755 } else {
7756 return;
7757 };
7758 self.do_paste(&text, metadata, false, window, cx);
7759 }
7760
7761 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7762 let selections = self.selections.all::<Point>(cx);
7763 let buffer = self.buffer.read(cx).read(cx);
7764 let mut text = String::new();
7765
7766 let mut clipboard_selections = Vec::with_capacity(selections.len());
7767 {
7768 let max_point = buffer.max_point();
7769 let mut is_first = true;
7770 for selection in selections.iter() {
7771 let mut start = selection.start;
7772 let mut end = selection.end;
7773 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7774 if is_entire_line {
7775 start = Point::new(start.row, 0);
7776 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7777 }
7778 if is_first {
7779 is_first = false;
7780 } else {
7781 text += "\n";
7782 }
7783 let mut len = 0;
7784 for chunk in buffer.text_for_range(start..end) {
7785 text.push_str(chunk);
7786 len += chunk.len();
7787 }
7788 clipboard_selections.push(ClipboardSelection {
7789 len,
7790 is_entire_line,
7791 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7792 });
7793 }
7794 }
7795
7796 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7797 text,
7798 clipboard_selections,
7799 ));
7800 }
7801
7802 pub fn do_paste(
7803 &mut self,
7804 text: &String,
7805 clipboard_selections: Option<Vec<ClipboardSelection>>,
7806 handle_entire_lines: bool,
7807 window: &mut Window,
7808 cx: &mut Context<Self>,
7809 ) {
7810 if self.read_only(cx) {
7811 return;
7812 }
7813
7814 let clipboard_text = Cow::Borrowed(text);
7815
7816 self.transact(window, cx, |this, window, cx| {
7817 if let Some(mut clipboard_selections) = clipboard_selections {
7818 let old_selections = this.selections.all::<usize>(cx);
7819 let all_selections_were_entire_line =
7820 clipboard_selections.iter().all(|s| s.is_entire_line);
7821 let first_selection_indent_column =
7822 clipboard_selections.first().map(|s| s.first_line_indent);
7823 if clipboard_selections.len() != old_selections.len() {
7824 clipboard_selections.drain(..);
7825 }
7826 let cursor_offset = this.selections.last::<usize>(cx).head();
7827 let mut auto_indent_on_paste = true;
7828
7829 this.buffer.update(cx, |buffer, cx| {
7830 let snapshot = buffer.read(cx);
7831 auto_indent_on_paste =
7832 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7833
7834 let mut start_offset = 0;
7835 let mut edits = Vec::new();
7836 let mut original_indent_columns = Vec::new();
7837 for (ix, selection) in old_selections.iter().enumerate() {
7838 let to_insert;
7839 let entire_line;
7840 let original_indent_column;
7841 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7842 let end_offset = start_offset + clipboard_selection.len;
7843 to_insert = &clipboard_text[start_offset..end_offset];
7844 entire_line = clipboard_selection.is_entire_line;
7845 start_offset = end_offset + 1;
7846 original_indent_column = Some(clipboard_selection.first_line_indent);
7847 } else {
7848 to_insert = clipboard_text.as_str();
7849 entire_line = all_selections_were_entire_line;
7850 original_indent_column = first_selection_indent_column
7851 }
7852
7853 // If the corresponding selection was empty when this slice of the
7854 // clipboard text was written, then the entire line containing the
7855 // selection was copied. If this selection is also currently empty,
7856 // then paste the line before the current line of the buffer.
7857 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7858 let column = selection.start.to_point(&snapshot).column as usize;
7859 let line_start = selection.start - column;
7860 line_start..line_start
7861 } else {
7862 selection.range()
7863 };
7864
7865 edits.push((range, to_insert));
7866 original_indent_columns.extend(original_indent_column);
7867 }
7868 drop(snapshot);
7869
7870 buffer.edit(
7871 edits,
7872 if auto_indent_on_paste {
7873 Some(AutoindentMode::Block {
7874 original_indent_columns,
7875 })
7876 } else {
7877 None
7878 },
7879 cx,
7880 );
7881 });
7882
7883 let selections = this.selections.all::<usize>(cx);
7884 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7885 s.select(selections)
7886 });
7887 } else {
7888 this.insert(&clipboard_text, window, cx);
7889 }
7890 });
7891 }
7892
7893 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7894 if let Some(item) = cx.read_from_clipboard() {
7895 let entries = item.entries();
7896
7897 match entries.first() {
7898 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7899 // of all the pasted entries.
7900 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7901 .do_paste(
7902 clipboard_string.text(),
7903 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7904 true,
7905 window,
7906 cx,
7907 ),
7908 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
7909 }
7910 }
7911 }
7912
7913 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
7914 if self.read_only(cx) {
7915 return;
7916 }
7917
7918 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7919 if let Some((selections, _)) =
7920 self.selection_history.transaction(transaction_id).cloned()
7921 {
7922 self.change_selections(None, window, cx, |s| {
7923 s.select_anchors(selections.to_vec());
7924 });
7925 }
7926 self.request_autoscroll(Autoscroll::fit(), cx);
7927 self.unmark_text(window, cx);
7928 self.refresh_inline_completion(true, false, window, cx);
7929 cx.emit(EditorEvent::Edited { transaction_id });
7930 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7931 }
7932 }
7933
7934 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
7935 if self.read_only(cx) {
7936 return;
7937 }
7938
7939 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7940 if let Some((_, Some(selections))) =
7941 self.selection_history.transaction(transaction_id).cloned()
7942 {
7943 self.change_selections(None, window, cx, |s| {
7944 s.select_anchors(selections.to_vec());
7945 });
7946 }
7947 self.request_autoscroll(Autoscroll::fit(), cx);
7948 self.unmark_text(window, cx);
7949 self.refresh_inline_completion(true, false, window, cx);
7950 cx.emit(EditorEvent::Edited { transaction_id });
7951 }
7952 }
7953
7954 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
7955 self.buffer
7956 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7957 }
7958
7959 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
7960 self.buffer
7961 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7962 }
7963
7964 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
7965 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7966 let line_mode = s.line_mode;
7967 s.move_with(|map, selection| {
7968 let cursor = if selection.is_empty() && !line_mode {
7969 movement::left(map, selection.start)
7970 } else {
7971 selection.start
7972 };
7973 selection.collapse_to(cursor, SelectionGoal::None);
7974 });
7975 })
7976 }
7977
7978 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
7979 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7980 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7981 })
7982 }
7983
7984 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
7985 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7986 let line_mode = s.line_mode;
7987 s.move_with(|map, selection| {
7988 let cursor = if selection.is_empty() && !line_mode {
7989 movement::right(map, selection.end)
7990 } else {
7991 selection.end
7992 };
7993 selection.collapse_to(cursor, SelectionGoal::None)
7994 });
7995 })
7996 }
7997
7998 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
7999 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8000 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
8001 })
8002 }
8003
8004 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
8005 if self.take_rename(true, window, cx).is_some() {
8006 return;
8007 }
8008
8009 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8010 cx.propagate();
8011 return;
8012 }
8013
8014 let text_layout_details = &self.text_layout_details(window);
8015 let selection_count = self.selections.count();
8016 let first_selection = self.selections.first_anchor();
8017
8018 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8019 let line_mode = s.line_mode;
8020 s.move_with(|map, selection| {
8021 if !selection.is_empty() && !line_mode {
8022 selection.goal = SelectionGoal::None;
8023 }
8024 let (cursor, goal) = movement::up(
8025 map,
8026 selection.start,
8027 selection.goal,
8028 false,
8029 text_layout_details,
8030 );
8031 selection.collapse_to(cursor, goal);
8032 });
8033 });
8034
8035 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8036 {
8037 cx.propagate();
8038 }
8039 }
8040
8041 pub fn move_up_by_lines(
8042 &mut self,
8043 action: &MoveUpByLines,
8044 window: &mut Window,
8045 cx: &mut Context<Self>,
8046 ) {
8047 if self.take_rename(true, window, cx).is_some() {
8048 return;
8049 }
8050
8051 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8052 cx.propagate();
8053 return;
8054 }
8055
8056 let text_layout_details = &self.text_layout_details(window);
8057
8058 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8059 let line_mode = s.line_mode;
8060 s.move_with(|map, selection| {
8061 if !selection.is_empty() && !line_mode {
8062 selection.goal = SelectionGoal::None;
8063 }
8064 let (cursor, goal) = movement::up_by_rows(
8065 map,
8066 selection.start,
8067 action.lines,
8068 selection.goal,
8069 false,
8070 text_layout_details,
8071 );
8072 selection.collapse_to(cursor, goal);
8073 });
8074 })
8075 }
8076
8077 pub fn move_down_by_lines(
8078 &mut self,
8079 action: &MoveDownByLines,
8080 window: &mut Window,
8081 cx: &mut Context<Self>,
8082 ) {
8083 if self.take_rename(true, window, cx).is_some() {
8084 return;
8085 }
8086
8087 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8088 cx.propagate();
8089 return;
8090 }
8091
8092 let text_layout_details = &self.text_layout_details(window);
8093
8094 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8095 let line_mode = s.line_mode;
8096 s.move_with(|map, selection| {
8097 if !selection.is_empty() && !line_mode {
8098 selection.goal = SelectionGoal::None;
8099 }
8100 let (cursor, goal) = movement::down_by_rows(
8101 map,
8102 selection.start,
8103 action.lines,
8104 selection.goal,
8105 false,
8106 text_layout_details,
8107 );
8108 selection.collapse_to(cursor, goal);
8109 });
8110 })
8111 }
8112
8113 pub fn select_down_by_lines(
8114 &mut self,
8115 action: &SelectDownByLines,
8116 window: &mut Window,
8117 cx: &mut Context<Self>,
8118 ) {
8119 let text_layout_details = &self.text_layout_details(window);
8120 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8121 s.move_heads_with(|map, head, goal| {
8122 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
8123 })
8124 })
8125 }
8126
8127 pub fn select_up_by_lines(
8128 &mut self,
8129 action: &SelectUpByLines,
8130 window: &mut Window,
8131 cx: &mut Context<Self>,
8132 ) {
8133 let text_layout_details = &self.text_layout_details(window);
8134 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8135 s.move_heads_with(|map, head, goal| {
8136 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
8137 })
8138 })
8139 }
8140
8141 pub fn select_page_up(
8142 &mut self,
8143 _: &SelectPageUp,
8144 window: &mut Window,
8145 cx: &mut Context<Self>,
8146 ) {
8147 let Some(row_count) = self.visible_row_count() else {
8148 return;
8149 };
8150
8151 let text_layout_details = &self.text_layout_details(window);
8152
8153 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8154 s.move_heads_with(|map, head, goal| {
8155 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
8156 })
8157 })
8158 }
8159
8160 pub fn move_page_up(
8161 &mut self,
8162 action: &MovePageUp,
8163 window: &mut Window,
8164 cx: &mut Context<Self>,
8165 ) {
8166 if self.take_rename(true, window, cx).is_some() {
8167 return;
8168 }
8169
8170 if self
8171 .context_menu
8172 .borrow_mut()
8173 .as_mut()
8174 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
8175 .unwrap_or(false)
8176 {
8177 return;
8178 }
8179
8180 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8181 cx.propagate();
8182 return;
8183 }
8184
8185 let Some(row_count) = self.visible_row_count() else {
8186 return;
8187 };
8188
8189 let autoscroll = if action.center_cursor {
8190 Autoscroll::center()
8191 } else {
8192 Autoscroll::fit()
8193 };
8194
8195 let text_layout_details = &self.text_layout_details(window);
8196
8197 self.change_selections(Some(autoscroll), window, cx, |s| {
8198 let line_mode = s.line_mode;
8199 s.move_with(|map, selection| {
8200 if !selection.is_empty() && !line_mode {
8201 selection.goal = SelectionGoal::None;
8202 }
8203 let (cursor, goal) = movement::up_by_rows(
8204 map,
8205 selection.end,
8206 row_count,
8207 selection.goal,
8208 false,
8209 text_layout_details,
8210 );
8211 selection.collapse_to(cursor, goal);
8212 });
8213 });
8214 }
8215
8216 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
8217 let text_layout_details = &self.text_layout_details(window);
8218 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8219 s.move_heads_with(|map, head, goal| {
8220 movement::up(map, head, goal, false, text_layout_details)
8221 })
8222 })
8223 }
8224
8225 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
8226 self.take_rename(true, window, cx);
8227
8228 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8229 cx.propagate();
8230 return;
8231 }
8232
8233 let text_layout_details = &self.text_layout_details(window);
8234 let selection_count = self.selections.count();
8235 let first_selection = self.selections.first_anchor();
8236
8237 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8238 let line_mode = s.line_mode;
8239 s.move_with(|map, selection| {
8240 if !selection.is_empty() && !line_mode {
8241 selection.goal = SelectionGoal::None;
8242 }
8243 let (cursor, goal) = movement::down(
8244 map,
8245 selection.end,
8246 selection.goal,
8247 false,
8248 text_layout_details,
8249 );
8250 selection.collapse_to(cursor, goal);
8251 });
8252 });
8253
8254 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
8255 {
8256 cx.propagate();
8257 }
8258 }
8259
8260 pub fn select_page_down(
8261 &mut self,
8262 _: &SelectPageDown,
8263 window: &mut Window,
8264 cx: &mut Context<Self>,
8265 ) {
8266 let Some(row_count) = self.visible_row_count() else {
8267 return;
8268 };
8269
8270 let text_layout_details = &self.text_layout_details(window);
8271
8272 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8273 s.move_heads_with(|map, head, goal| {
8274 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
8275 })
8276 })
8277 }
8278
8279 pub fn move_page_down(
8280 &mut self,
8281 action: &MovePageDown,
8282 window: &mut Window,
8283 cx: &mut Context<Self>,
8284 ) {
8285 if self.take_rename(true, window, cx).is_some() {
8286 return;
8287 }
8288
8289 if self
8290 .context_menu
8291 .borrow_mut()
8292 .as_mut()
8293 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
8294 .unwrap_or(false)
8295 {
8296 return;
8297 }
8298
8299 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8300 cx.propagate();
8301 return;
8302 }
8303
8304 let Some(row_count) = self.visible_row_count() else {
8305 return;
8306 };
8307
8308 let autoscroll = if action.center_cursor {
8309 Autoscroll::center()
8310 } else {
8311 Autoscroll::fit()
8312 };
8313
8314 let text_layout_details = &self.text_layout_details(window);
8315 self.change_selections(Some(autoscroll), window, cx, |s| {
8316 let line_mode = s.line_mode;
8317 s.move_with(|map, selection| {
8318 if !selection.is_empty() && !line_mode {
8319 selection.goal = SelectionGoal::None;
8320 }
8321 let (cursor, goal) = movement::down_by_rows(
8322 map,
8323 selection.end,
8324 row_count,
8325 selection.goal,
8326 false,
8327 text_layout_details,
8328 );
8329 selection.collapse_to(cursor, goal);
8330 });
8331 });
8332 }
8333
8334 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
8335 let text_layout_details = &self.text_layout_details(window);
8336 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8337 s.move_heads_with(|map, head, goal| {
8338 movement::down(map, head, goal, false, text_layout_details)
8339 })
8340 });
8341 }
8342
8343 pub fn context_menu_first(
8344 &mut self,
8345 _: &ContextMenuFirst,
8346 _window: &mut Window,
8347 cx: &mut Context<Self>,
8348 ) {
8349 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8350 context_menu.select_first(self.completion_provider.as_deref(), cx);
8351 }
8352 }
8353
8354 pub fn context_menu_prev(
8355 &mut self,
8356 _: &ContextMenuPrev,
8357 _window: &mut Window,
8358 cx: &mut Context<Self>,
8359 ) {
8360 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8361 context_menu.select_prev(self.completion_provider.as_deref(), cx);
8362 }
8363 }
8364
8365 pub fn context_menu_next(
8366 &mut self,
8367 _: &ContextMenuNext,
8368 _window: &mut Window,
8369 cx: &mut Context<Self>,
8370 ) {
8371 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8372 context_menu.select_next(self.completion_provider.as_deref(), cx);
8373 }
8374 }
8375
8376 pub fn context_menu_last(
8377 &mut self,
8378 _: &ContextMenuLast,
8379 _window: &mut Window,
8380 cx: &mut Context<Self>,
8381 ) {
8382 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
8383 context_menu.select_last(self.completion_provider.as_deref(), cx);
8384 }
8385 }
8386
8387 pub fn move_to_previous_word_start(
8388 &mut self,
8389 _: &MoveToPreviousWordStart,
8390 window: &mut Window,
8391 cx: &mut Context<Self>,
8392 ) {
8393 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8394 s.move_cursors_with(|map, head, _| {
8395 (
8396 movement::previous_word_start(map, head),
8397 SelectionGoal::None,
8398 )
8399 });
8400 })
8401 }
8402
8403 pub fn move_to_previous_subword_start(
8404 &mut self,
8405 _: &MoveToPreviousSubwordStart,
8406 window: &mut Window,
8407 cx: &mut Context<Self>,
8408 ) {
8409 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8410 s.move_cursors_with(|map, head, _| {
8411 (
8412 movement::previous_subword_start(map, head),
8413 SelectionGoal::None,
8414 )
8415 });
8416 })
8417 }
8418
8419 pub fn select_to_previous_word_start(
8420 &mut self,
8421 _: &SelectToPreviousWordStart,
8422 window: &mut Window,
8423 cx: &mut Context<Self>,
8424 ) {
8425 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8426 s.move_heads_with(|map, head, _| {
8427 (
8428 movement::previous_word_start(map, head),
8429 SelectionGoal::None,
8430 )
8431 });
8432 })
8433 }
8434
8435 pub fn select_to_previous_subword_start(
8436 &mut self,
8437 _: &SelectToPreviousSubwordStart,
8438 window: &mut Window,
8439 cx: &mut Context<Self>,
8440 ) {
8441 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8442 s.move_heads_with(|map, head, _| {
8443 (
8444 movement::previous_subword_start(map, head),
8445 SelectionGoal::None,
8446 )
8447 });
8448 })
8449 }
8450
8451 pub fn delete_to_previous_word_start(
8452 &mut self,
8453 action: &DeleteToPreviousWordStart,
8454 window: &mut Window,
8455 cx: &mut Context<Self>,
8456 ) {
8457 self.transact(window, cx, |this, window, cx| {
8458 this.select_autoclose_pair(window, cx);
8459 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8460 let line_mode = s.line_mode;
8461 s.move_with(|map, selection| {
8462 if selection.is_empty() && !line_mode {
8463 let cursor = if action.ignore_newlines {
8464 movement::previous_word_start(map, selection.head())
8465 } else {
8466 movement::previous_word_start_or_newline(map, selection.head())
8467 };
8468 selection.set_head(cursor, SelectionGoal::None);
8469 }
8470 });
8471 });
8472 this.insert("", window, cx);
8473 });
8474 }
8475
8476 pub fn delete_to_previous_subword_start(
8477 &mut self,
8478 _: &DeleteToPreviousSubwordStart,
8479 window: &mut Window,
8480 cx: &mut Context<Self>,
8481 ) {
8482 self.transact(window, cx, |this, window, cx| {
8483 this.select_autoclose_pair(window, cx);
8484 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8485 let line_mode = s.line_mode;
8486 s.move_with(|map, selection| {
8487 if selection.is_empty() && !line_mode {
8488 let cursor = movement::previous_subword_start(map, selection.head());
8489 selection.set_head(cursor, SelectionGoal::None);
8490 }
8491 });
8492 });
8493 this.insert("", window, cx);
8494 });
8495 }
8496
8497 pub fn move_to_next_word_end(
8498 &mut self,
8499 _: &MoveToNextWordEnd,
8500 window: &mut Window,
8501 cx: &mut Context<Self>,
8502 ) {
8503 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8504 s.move_cursors_with(|map, head, _| {
8505 (movement::next_word_end(map, head), SelectionGoal::None)
8506 });
8507 })
8508 }
8509
8510 pub fn move_to_next_subword_end(
8511 &mut self,
8512 _: &MoveToNextSubwordEnd,
8513 window: &mut Window,
8514 cx: &mut Context<Self>,
8515 ) {
8516 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8517 s.move_cursors_with(|map, head, _| {
8518 (movement::next_subword_end(map, head), SelectionGoal::None)
8519 });
8520 })
8521 }
8522
8523 pub fn select_to_next_word_end(
8524 &mut self,
8525 _: &SelectToNextWordEnd,
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 (movement::next_word_end(map, head), SelectionGoal::None)
8532 });
8533 })
8534 }
8535
8536 pub fn select_to_next_subword_end(
8537 &mut self,
8538 _: &SelectToNextSubwordEnd,
8539 window: &mut Window,
8540 cx: &mut Context<Self>,
8541 ) {
8542 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8543 s.move_heads_with(|map, head, _| {
8544 (movement::next_subword_end(map, head), SelectionGoal::None)
8545 });
8546 })
8547 }
8548
8549 pub fn delete_to_next_word_end(
8550 &mut self,
8551 action: &DeleteToNextWordEnd,
8552 window: &mut Window,
8553 cx: &mut Context<Self>,
8554 ) {
8555 self.transact(window, cx, |this, window, cx| {
8556 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8557 let line_mode = s.line_mode;
8558 s.move_with(|map, selection| {
8559 if selection.is_empty() && !line_mode {
8560 let cursor = if action.ignore_newlines {
8561 movement::next_word_end(map, selection.head())
8562 } else {
8563 movement::next_word_end_or_newline(map, selection.head())
8564 };
8565 selection.set_head(cursor, SelectionGoal::None);
8566 }
8567 });
8568 });
8569 this.insert("", window, cx);
8570 });
8571 }
8572
8573 pub fn delete_to_next_subword_end(
8574 &mut self,
8575 _: &DeleteToNextSubwordEnd,
8576 window: &mut Window,
8577 cx: &mut Context<Self>,
8578 ) {
8579 self.transact(window, cx, |this, window, cx| {
8580 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8581 s.move_with(|map, selection| {
8582 if selection.is_empty() {
8583 let cursor = movement::next_subword_end(map, selection.head());
8584 selection.set_head(cursor, SelectionGoal::None);
8585 }
8586 });
8587 });
8588 this.insert("", window, cx);
8589 });
8590 }
8591
8592 pub fn move_to_beginning_of_line(
8593 &mut self,
8594 action: &MoveToBeginningOfLine,
8595 window: &mut Window,
8596 cx: &mut Context<Self>,
8597 ) {
8598 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8599 s.move_cursors_with(|map, head, _| {
8600 (
8601 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8602 SelectionGoal::None,
8603 )
8604 });
8605 })
8606 }
8607
8608 pub fn select_to_beginning_of_line(
8609 &mut self,
8610 action: &SelectToBeginningOfLine,
8611 window: &mut Window,
8612 cx: &mut Context<Self>,
8613 ) {
8614 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8615 s.move_heads_with(|map, head, _| {
8616 (
8617 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8618 SelectionGoal::None,
8619 )
8620 });
8621 });
8622 }
8623
8624 pub fn delete_to_beginning_of_line(
8625 &mut self,
8626 _: &DeleteToBeginningOfLine,
8627 window: &mut Window,
8628 cx: &mut Context<Self>,
8629 ) {
8630 self.transact(window, cx, |this, window, cx| {
8631 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8632 s.move_with(|_, selection| {
8633 selection.reversed = true;
8634 });
8635 });
8636
8637 this.select_to_beginning_of_line(
8638 &SelectToBeginningOfLine {
8639 stop_at_soft_wraps: false,
8640 },
8641 window,
8642 cx,
8643 );
8644 this.backspace(&Backspace, window, cx);
8645 });
8646 }
8647
8648 pub fn move_to_end_of_line(
8649 &mut self,
8650 action: &MoveToEndOfLine,
8651 window: &mut Window,
8652 cx: &mut Context<Self>,
8653 ) {
8654 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8655 s.move_cursors_with(|map, head, _| {
8656 (
8657 movement::line_end(map, head, action.stop_at_soft_wraps),
8658 SelectionGoal::None,
8659 )
8660 });
8661 })
8662 }
8663
8664 pub fn select_to_end_of_line(
8665 &mut self,
8666 action: &SelectToEndOfLine,
8667 window: &mut Window,
8668 cx: &mut Context<Self>,
8669 ) {
8670 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8671 s.move_heads_with(|map, head, _| {
8672 (
8673 movement::line_end(map, head, action.stop_at_soft_wraps),
8674 SelectionGoal::None,
8675 )
8676 });
8677 })
8678 }
8679
8680 pub fn delete_to_end_of_line(
8681 &mut self,
8682 _: &DeleteToEndOfLine,
8683 window: &mut Window,
8684 cx: &mut Context<Self>,
8685 ) {
8686 self.transact(window, cx, |this, window, cx| {
8687 this.select_to_end_of_line(
8688 &SelectToEndOfLine {
8689 stop_at_soft_wraps: false,
8690 },
8691 window,
8692 cx,
8693 );
8694 this.delete(&Delete, window, cx);
8695 });
8696 }
8697
8698 pub fn cut_to_end_of_line(
8699 &mut self,
8700 _: &CutToEndOfLine,
8701 window: &mut Window,
8702 cx: &mut Context<Self>,
8703 ) {
8704 self.transact(window, cx, |this, window, cx| {
8705 this.select_to_end_of_line(
8706 &SelectToEndOfLine {
8707 stop_at_soft_wraps: false,
8708 },
8709 window,
8710 cx,
8711 );
8712 this.cut(&Cut, window, cx);
8713 });
8714 }
8715
8716 pub fn move_to_start_of_paragraph(
8717 &mut self,
8718 _: &MoveToStartOfParagraph,
8719 window: &mut Window,
8720 cx: &mut Context<Self>,
8721 ) {
8722 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8723 cx.propagate();
8724 return;
8725 }
8726
8727 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8728 s.move_with(|map, selection| {
8729 selection.collapse_to(
8730 movement::start_of_paragraph(map, selection.head(), 1),
8731 SelectionGoal::None,
8732 )
8733 });
8734 })
8735 }
8736
8737 pub fn move_to_end_of_paragraph(
8738 &mut self,
8739 _: &MoveToEndOfParagraph,
8740 window: &mut Window,
8741 cx: &mut Context<Self>,
8742 ) {
8743 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8744 cx.propagate();
8745 return;
8746 }
8747
8748 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8749 s.move_with(|map, selection| {
8750 selection.collapse_to(
8751 movement::end_of_paragraph(map, selection.head(), 1),
8752 SelectionGoal::None,
8753 )
8754 });
8755 })
8756 }
8757
8758 pub fn select_to_start_of_paragraph(
8759 &mut self,
8760 _: &SelectToStartOfParagraph,
8761 window: &mut Window,
8762 cx: &mut Context<Self>,
8763 ) {
8764 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8765 cx.propagate();
8766 return;
8767 }
8768
8769 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8770 s.move_heads_with(|map, head, _| {
8771 (
8772 movement::start_of_paragraph(map, head, 1),
8773 SelectionGoal::None,
8774 )
8775 });
8776 })
8777 }
8778
8779 pub fn select_to_end_of_paragraph(
8780 &mut self,
8781 _: &SelectToEndOfParagraph,
8782 window: &mut Window,
8783 cx: &mut Context<Self>,
8784 ) {
8785 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8786 cx.propagate();
8787 return;
8788 }
8789
8790 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8791 s.move_heads_with(|map, head, _| {
8792 (
8793 movement::end_of_paragraph(map, head, 1),
8794 SelectionGoal::None,
8795 )
8796 });
8797 })
8798 }
8799
8800 pub fn move_to_beginning(
8801 &mut self,
8802 _: &MoveToBeginning,
8803 window: &mut Window,
8804 cx: &mut Context<Self>,
8805 ) {
8806 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8807 cx.propagate();
8808 return;
8809 }
8810
8811 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8812 s.select_ranges(vec![0..0]);
8813 });
8814 }
8815
8816 pub fn select_to_beginning(
8817 &mut self,
8818 _: &SelectToBeginning,
8819 window: &mut Window,
8820 cx: &mut Context<Self>,
8821 ) {
8822 let mut selection = self.selections.last::<Point>(cx);
8823 selection.set_head(Point::zero(), SelectionGoal::None);
8824
8825 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8826 s.select(vec![selection]);
8827 });
8828 }
8829
8830 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8831 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8832 cx.propagate();
8833 return;
8834 }
8835
8836 let cursor = self.buffer.read(cx).read(cx).len();
8837 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8838 s.select_ranges(vec![cursor..cursor])
8839 });
8840 }
8841
8842 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8843 self.nav_history = nav_history;
8844 }
8845
8846 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8847 self.nav_history.as_ref()
8848 }
8849
8850 fn push_to_nav_history(
8851 &mut self,
8852 cursor_anchor: Anchor,
8853 new_position: Option<Point>,
8854 cx: &mut Context<Self>,
8855 ) {
8856 if let Some(nav_history) = self.nav_history.as_mut() {
8857 let buffer = self.buffer.read(cx).read(cx);
8858 let cursor_position = cursor_anchor.to_point(&buffer);
8859 let scroll_state = self.scroll_manager.anchor();
8860 let scroll_top_row = scroll_state.top_row(&buffer);
8861 drop(buffer);
8862
8863 if let Some(new_position) = new_position {
8864 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8865 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8866 return;
8867 }
8868 }
8869
8870 nav_history.push(
8871 Some(NavigationData {
8872 cursor_anchor,
8873 cursor_position,
8874 scroll_anchor: scroll_state,
8875 scroll_top_row,
8876 }),
8877 cx,
8878 );
8879 }
8880 }
8881
8882 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8883 let buffer = self.buffer.read(cx).snapshot(cx);
8884 let mut selection = self.selections.first::<usize>(cx);
8885 selection.set_head(buffer.len(), SelectionGoal::None);
8886 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8887 s.select(vec![selection]);
8888 });
8889 }
8890
8891 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8892 let end = self.buffer.read(cx).read(cx).len();
8893 self.change_selections(None, window, cx, |s| {
8894 s.select_ranges(vec![0..end]);
8895 });
8896 }
8897
8898 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8899 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8900 let mut selections = self.selections.all::<Point>(cx);
8901 let max_point = display_map.buffer_snapshot.max_point();
8902 for selection in &mut selections {
8903 let rows = selection.spanned_rows(true, &display_map);
8904 selection.start = Point::new(rows.start.0, 0);
8905 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
8906 selection.reversed = false;
8907 }
8908 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8909 s.select(selections);
8910 });
8911 }
8912
8913 pub fn split_selection_into_lines(
8914 &mut self,
8915 _: &SplitSelectionIntoLines,
8916 window: &mut Window,
8917 cx: &mut Context<Self>,
8918 ) {
8919 let mut to_unfold = Vec::new();
8920 let mut new_selection_ranges = Vec::new();
8921 {
8922 let selections = self.selections.all::<Point>(cx);
8923 let buffer = self.buffer.read(cx).read(cx);
8924 for selection in selections {
8925 for row in selection.start.row..selection.end.row {
8926 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
8927 new_selection_ranges.push(cursor..cursor);
8928 }
8929 new_selection_ranges.push(selection.end..selection.end);
8930 to_unfold.push(selection.start..selection.end);
8931 }
8932 }
8933 self.unfold_ranges(&to_unfold, true, true, cx);
8934 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8935 s.select_ranges(new_selection_ranges);
8936 });
8937 }
8938
8939 pub fn add_selection_above(
8940 &mut self,
8941 _: &AddSelectionAbove,
8942 window: &mut Window,
8943 cx: &mut Context<Self>,
8944 ) {
8945 self.add_selection(true, window, cx);
8946 }
8947
8948 pub fn add_selection_below(
8949 &mut self,
8950 _: &AddSelectionBelow,
8951 window: &mut Window,
8952 cx: &mut Context<Self>,
8953 ) {
8954 self.add_selection(false, window, cx);
8955 }
8956
8957 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
8958 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8959 let mut selections = self.selections.all::<Point>(cx);
8960 let text_layout_details = self.text_layout_details(window);
8961 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
8962 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
8963 let range = oldest_selection.display_range(&display_map).sorted();
8964
8965 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
8966 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
8967 let positions = start_x.min(end_x)..start_x.max(end_x);
8968
8969 selections.clear();
8970 let mut stack = Vec::new();
8971 for row in range.start.row().0..=range.end.row().0 {
8972 if let Some(selection) = self.selections.build_columnar_selection(
8973 &display_map,
8974 DisplayRow(row),
8975 &positions,
8976 oldest_selection.reversed,
8977 &text_layout_details,
8978 ) {
8979 stack.push(selection.id);
8980 selections.push(selection);
8981 }
8982 }
8983
8984 if above {
8985 stack.reverse();
8986 }
8987
8988 AddSelectionsState { above, stack }
8989 });
8990
8991 let last_added_selection = *state.stack.last().unwrap();
8992 let mut new_selections = Vec::new();
8993 if above == state.above {
8994 let end_row = if above {
8995 DisplayRow(0)
8996 } else {
8997 display_map.max_point().row()
8998 };
8999
9000 'outer: for selection in selections {
9001 if selection.id == last_added_selection {
9002 let range = selection.display_range(&display_map).sorted();
9003 debug_assert_eq!(range.start.row(), range.end.row());
9004 let mut row = range.start.row();
9005 let positions =
9006 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
9007 px(start)..px(end)
9008 } else {
9009 let start_x =
9010 display_map.x_for_display_point(range.start, &text_layout_details);
9011 let end_x =
9012 display_map.x_for_display_point(range.end, &text_layout_details);
9013 start_x.min(end_x)..start_x.max(end_x)
9014 };
9015
9016 while row != end_row {
9017 if above {
9018 row.0 -= 1;
9019 } else {
9020 row.0 += 1;
9021 }
9022
9023 if let Some(new_selection) = self.selections.build_columnar_selection(
9024 &display_map,
9025 row,
9026 &positions,
9027 selection.reversed,
9028 &text_layout_details,
9029 ) {
9030 state.stack.push(new_selection.id);
9031 if above {
9032 new_selections.push(new_selection);
9033 new_selections.push(selection);
9034 } else {
9035 new_selections.push(selection);
9036 new_selections.push(new_selection);
9037 }
9038
9039 continue 'outer;
9040 }
9041 }
9042 }
9043
9044 new_selections.push(selection);
9045 }
9046 } else {
9047 new_selections = selections;
9048 new_selections.retain(|s| s.id != last_added_selection);
9049 state.stack.pop();
9050 }
9051
9052 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9053 s.select(new_selections);
9054 });
9055 if state.stack.len() > 1 {
9056 self.add_selections_state = Some(state);
9057 }
9058 }
9059
9060 pub fn select_next_match_internal(
9061 &mut self,
9062 display_map: &DisplaySnapshot,
9063 replace_newest: bool,
9064 autoscroll: Option<Autoscroll>,
9065 window: &mut Window,
9066 cx: &mut Context<Self>,
9067 ) -> Result<()> {
9068 fn select_next_match_ranges(
9069 this: &mut Editor,
9070 range: Range<usize>,
9071 replace_newest: bool,
9072 auto_scroll: Option<Autoscroll>,
9073 window: &mut Window,
9074 cx: &mut Context<Editor>,
9075 ) {
9076 this.unfold_ranges(&[range.clone()], false, true, cx);
9077 this.change_selections(auto_scroll, window, cx, |s| {
9078 if replace_newest {
9079 s.delete(s.newest_anchor().id);
9080 }
9081 s.insert_range(range.clone());
9082 });
9083 }
9084
9085 let buffer = &display_map.buffer_snapshot;
9086 let mut selections = self.selections.all::<usize>(cx);
9087 if let Some(mut select_next_state) = self.select_next_state.take() {
9088 let query = &select_next_state.query;
9089 if !select_next_state.done {
9090 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9091 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9092 let mut next_selected_range = None;
9093
9094 let bytes_after_last_selection =
9095 buffer.bytes_in_range(last_selection.end..buffer.len());
9096 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
9097 let query_matches = query
9098 .stream_find_iter(bytes_after_last_selection)
9099 .map(|result| (last_selection.end, result))
9100 .chain(
9101 query
9102 .stream_find_iter(bytes_before_first_selection)
9103 .map(|result| (0, result)),
9104 );
9105
9106 for (start_offset, query_match) in query_matches {
9107 let query_match = query_match.unwrap(); // can only fail due to I/O
9108 let offset_range =
9109 start_offset + query_match.start()..start_offset + query_match.end();
9110 let display_range = offset_range.start.to_display_point(display_map)
9111 ..offset_range.end.to_display_point(display_map);
9112
9113 if !select_next_state.wordwise
9114 || (!movement::is_inside_word(display_map, display_range.start)
9115 && !movement::is_inside_word(display_map, display_range.end))
9116 {
9117 // TODO: This is n^2, because we might check all the selections
9118 if !selections
9119 .iter()
9120 .any(|selection| selection.range().overlaps(&offset_range))
9121 {
9122 next_selected_range = Some(offset_range);
9123 break;
9124 }
9125 }
9126 }
9127
9128 if let Some(next_selected_range) = next_selected_range {
9129 select_next_match_ranges(
9130 self,
9131 next_selected_range,
9132 replace_newest,
9133 autoscroll,
9134 window,
9135 cx,
9136 );
9137 } else {
9138 select_next_state.done = true;
9139 }
9140 }
9141
9142 self.select_next_state = Some(select_next_state);
9143 } else {
9144 let mut only_carets = true;
9145 let mut same_text_selected = true;
9146 let mut selected_text = None;
9147
9148 let mut selections_iter = selections.iter().peekable();
9149 while let Some(selection) = selections_iter.next() {
9150 if selection.start != selection.end {
9151 only_carets = false;
9152 }
9153
9154 if same_text_selected {
9155 if selected_text.is_none() {
9156 selected_text =
9157 Some(buffer.text_for_range(selection.range()).collect::<String>());
9158 }
9159
9160 if let Some(next_selection) = selections_iter.peek() {
9161 if next_selection.range().len() == selection.range().len() {
9162 let next_selected_text = buffer
9163 .text_for_range(next_selection.range())
9164 .collect::<String>();
9165 if Some(next_selected_text) != selected_text {
9166 same_text_selected = false;
9167 selected_text = None;
9168 }
9169 } else {
9170 same_text_selected = false;
9171 selected_text = None;
9172 }
9173 }
9174 }
9175 }
9176
9177 if only_carets {
9178 for selection in &mut selections {
9179 let word_range = movement::surrounding_word(
9180 display_map,
9181 selection.start.to_display_point(display_map),
9182 );
9183 selection.start = word_range.start.to_offset(display_map, Bias::Left);
9184 selection.end = word_range.end.to_offset(display_map, Bias::Left);
9185 selection.goal = SelectionGoal::None;
9186 selection.reversed = false;
9187 select_next_match_ranges(
9188 self,
9189 selection.start..selection.end,
9190 replace_newest,
9191 autoscroll,
9192 window,
9193 cx,
9194 );
9195 }
9196
9197 if selections.len() == 1 {
9198 let selection = selections
9199 .last()
9200 .expect("ensured that there's only one selection");
9201 let query = buffer
9202 .text_for_range(selection.start..selection.end)
9203 .collect::<String>();
9204 let is_empty = query.is_empty();
9205 let select_state = SelectNextState {
9206 query: AhoCorasick::new(&[query])?,
9207 wordwise: true,
9208 done: is_empty,
9209 };
9210 self.select_next_state = Some(select_state);
9211 } else {
9212 self.select_next_state = None;
9213 }
9214 } else if let Some(selected_text) = selected_text {
9215 self.select_next_state = Some(SelectNextState {
9216 query: AhoCorasick::new(&[selected_text])?,
9217 wordwise: false,
9218 done: false,
9219 });
9220 self.select_next_match_internal(
9221 display_map,
9222 replace_newest,
9223 autoscroll,
9224 window,
9225 cx,
9226 )?;
9227 }
9228 }
9229 Ok(())
9230 }
9231
9232 pub fn select_all_matches(
9233 &mut self,
9234 _action: &SelectAllMatches,
9235 window: &mut Window,
9236 cx: &mut Context<Self>,
9237 ) -> Result<()> {
9238 self.push_to_selection_history();
9239 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9240
9241 self.select_next_match_internal(&display_map, false, None, window, cx)?;
9242 let Some(select_next_state) = self.select_next_state.as_mut() else {
9243 return Ok(());
9244 };
9245 if select_next_state.done {
9246 return Ok(());
9247 }
9248
9249 let mut new_selections = self.selections.all::<usize>(cx);
9250
9251 let buffer = &display_map.buffer_snapshot;
9252 let query_matches = select_next_state
9253 .query
9254 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
9255
9256 for query_match in query_matches {
9257 let query_match = query_match.unwrap(); // can only fail due to I/O
9258 let offset_range = query_match.start()..query_match.end();
9259 let display_range = offset_range.start.to_display_point(&display_map)
9260 ..offset_range.end.to_display_point(&display_map);
9261
9262 if !select_next_state.wordwise
9263 || (!movement::is_inside_word(&display_map, display_range.start)
9264 && !movement::is_inside_word(&display_map, display_range.end))
9265 {
9266 self.selections.change_with(cx, |selections| {
9267 new_selections.push(Selection {
9268 id: selections.new_selection_id(),
9269 start: offset_range.start,
9270 end: offset_range.end,
9271 reversed: false,
9272 goal: SelectionGoal::None,
9273 });
9274 });
9275 }
9276 }
9277
9278 new_selections.sort_by_key(|selection| selection.start);
9279 let mut ix = 0;
9280 while ix + 1 < new_selections.len() {
9281 let current_selection = &new_selections[ix];
9282 let next_selection = &new_selections[ix + 1];
9283 if current_selection.range().overlaps(&next_selection.range()) {
9284 if current_selection.id < next_selection.id {
9285 new_selections.remove(ix + 1);
9286 } else {
9287 new_selections.remove(ix);
9288 }
9289 } else {
9290 ix += 1;
9291 }
9292 }
9293
9294 let reversed = self.selections.oldest::<usize>(cx).reversed;
9295
9296 for selection in new_selections.iter_mut() {
9297 selection.reversed = reversed;
9298 }
9299
9300 select_next_state.done = true;
9301 self.unfold_ranges(
9302 &new_selections
9303 .iter()
9304 .map(|selection| selection.range())
9305 .collect::<Vec<_>>(),
9306 false,
9307 false,
9308 cx,
9309 );
9310 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
9311 selections.select(new_selections)
9312 });
9313
9314 Ok(())
9315 }
9316
9317 pub fn select_next(
9318 &mut self,
9319 action: &SelectNext,
9320 window: &mut Window,
9321 cx: &mut Context<Self>,
9322 ) -> Result<()> {
9323 self.push_to_selection_history();
9324 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9325 self.select_next_match_internal(
9326 &display_map,
9327 action.replace_newest,
9328 Some(Autoscroll::newest()),
9329 window,
9330 cx,
9331 )?;
9332 Ok(())
9333 }
9334
9335 pub fn select_previous(
9336 &mut self,
9337 action: &SelectPrevious,
9338 window: &mut Window,
9339 cx: &mut Context<Self>,
9340 ) -> Result<()> {
9341 self.push_to_selection_history();
9342 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9343 let buffer = &display_map.buffer_snapshot;
9344 let mut selections = self.selections.all::<usize>(cx);
9345 if let Some(mut select_prev_state) = self.select_prev_state.take() {
9346 let query = &select_prev_state.query;
9347 if !select_prev_state.done {
9348 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
9349 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
9350 let mut next_selected_range = None;
9351 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
9352 let bytes_before_last_selection =
9353 buffer.reversed_bytes_in_range(0..last_selection.start);
9354 let bytes_after_first_selection =
9355 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
9356 let query_matches = query
9357 .stream_find_iter(bytes_before_last_selection)
9358 .map(|result| (last_selection.start, result))
9359 .chain(
9360 query
9361 .stream_find_iter(bytes_after_first_selection)
9362 .map(|result| (buffer.len(), result)),
9363 );
9364 for (end_offset, query_match) in query_matches {
9365 let query_match = query_match.unwrap(); // can only fail due to I/O
9366 let offset_range =
9367 end_offset - query_match.end()..end_offset - query_match.start();
9368 let display_range = offset_range.start.to_display_point(&display_map)
9369 ..offset_range.end.to_display_point(&display_map);
9370
9371 if !select_prev_state.wordwise
9372 || (!movement::is_inside_word(&display_map, display_range.start)
9373 && !movement::is_inside_word(&display_map, display_range.end))
9374 {
9375 next_selected_range = Some(offset_range);
9376 break;
9377 }
9378 }
9379
9380 if let Some(next_selected_range) = next_selected_range {
9381 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
9382 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9383 if action.replace_newest {
9384 s.delete(s.newest_anchor().id);
9385 }
9386 s.insert_range(next_selected_range);
9387 });
9388 } else {
9389 select_prev_state.done = true;
9390 }
9391 }
9392
9393 self.select_prev_state = Some(select_prev_state);
9394 } else {
9395 let mut only_carets = true;
9396 let mut same_text_selected = true;
9397 let mut selected_text = None;
9398
9399 let mut selections_iter = selections.iter().peekable();
9400 while let Some(selection) = selections_iter.next() {
9401 if selection.start != selection.end {
9402 only_carets = false;
9403 }
9404
9405 if same_text_selected {
9406 if selected_text.is_none() {
9407 selected_text =
9408 Some(buffer.text_for_range(selection.range()).collect::<String>());
9409 }
9410
9411 if let Some(next_selection) = selections_iter.peek() {
9412 if next_selection.range().len() == selection.range().len() {
9413 let next_selected_text = buffer
9414 .text_for_range(next_selection.range())
9415 .collect::<String>();
9416 if Some(next_selected_text) != selected_text {
9417 same_text_selected = false;
9418 selected_text = None;
9419 }
9420 } else {
9421 same_text_selected = false;
9422 selected_text = None;
9423 }
9424 }
9425 }
9426 }
9427
9428 if only_carets {
9429 for selection in &mut selections {
9430 let word_range = movement::surrounding_word(
9431 &display_map,
9432 selection.start.to_display_point(&display_map),
9433 );
9434 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
9435 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
9436 selection.goal = SelectionGoal::None;
9437 selection.reversed = false;
9438 }
9439 if selections.len() == 1 {
9440 let selection = selections
9441 .last()
9442 .expect("ensured that there's only one selection");
9443 let query = buffer
9444 .text_for_range(selection.start..selection.end)
9445 .collect::<String>();
9446 let is_empty = query.is_empty();
9447 let select_state = SelectNextState {
9448 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
9449 wordwise: true,
9450 done: is_empty,
9451 };
9452 self.select_prev_state = Some(select_state);
9453 } else {
9454 self.select_prev_state = None;
9455 }
9456
9457 self.unfold_ranges(
9458 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
9459 false,
9460 true,
9461 cx,
9462 );
9463 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9464 s.select(selections);
9465 });
9466 } else if let Some(selected_text) = selected_text {
9467 self.select_prev_state = Some(SelectNextState {
9468 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9469 wordwise: false,
9470 done: false,
9471 });
9472 self.select_previous(action, window, cx)?;
9473 }
9474 }
9475 Ok(())
9476 }
9477
9478 pub fn toggle_comments(
9479 &mut self,
9480 action: &ToggleComments,
9481 window: &mut Window,
9482 cx: &mut Context<Self>,
9483 ) {
9484 if self.read_only(cx) {
9485 return;
9486 }
9487 let text_layout_details = &self.text_layout_details(window);
9488 self.transact(window, cx, |this, window, cx| {
9489 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9490 let mut edits = Vec::new();
9491 let mut selection_edit_ranges = Vec::new();
9492 let mut last_toggled_row = None;
9493 let snapshot = this.buffer.read(cx).read(cx);
9494 let empty_str: Arc<str> = Arc::default();
9495 let mut suffixes_inserted = Vec::new();
9496 let ignore_indent = action.ignore_indent;
9497
9498 fn comment_prefix_range(
9499 snapshot: &MultiBufferSnapshot,
9500 row: MultiBufferRow,
9501 comment_prefix: &str,
9502 comment_prefix_whitespace: &str,
9503 ignore_indent: bool,
9504 ) -> Range<Point> {
9505 let indent_size = if ignore_indent {
9506 0
9507 } else {
9508 snapshot.indent_size_for_line(row).len
9509 };
9510
9511 let start = Point::new(row.0, indent_size);
9512
9513 let mut line_bytes = snapshot
9514 .bytes_in_range(start..snapshot.max_point())
9515 .flatten()
9516 .copied();
9517
9518 // If this line currently begins with the line comment prefix, then record
9519 // the range containing the prefix.
9520 if line_bytes
9521 .by_ref()
9522 .take(comment_prefix.len())
9523 .eq(comment_prefix.bytes())
9524 {
9525 // Include any whitespace that matches the comment prefix.
9526 let matching_whitespace_len = line_bytes
9527 .zip(comment_prefix_whitespace.bytes())
9528 .take_while(|(a, b)| a == b)
9529 .count() as u32;
9530 let end = Point::new(
9531 start.row,
9532 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9533 );
9534 start..end
9535 } else {
9536 start..start
9537 }
9538 }
9539
9540 fn comment_suffix_range(
9541 snapshot: &MultiBufferSnapshot,
9542 row: MultiBufferRow,
9543 comment_suffix: &str,
9544 comment_suffix_has_leading_space: bool,
9545 ) -> Range<Point> {
9546 let end = Point::new(row.0, snapshot.line_len(row));
9547 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9548
9549 let mut line_end_bytes = snapshot
9550 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9551 .flatten()
9552 .copied();
9553
9554 let leading_space_len = if suffix_start_column > 0
9555 && line_end_bytes.next() == Some(b' ')
9556 && comment_suffix_has_leading_space
9557 {
9558 1
9559 } else {
9560 0
9561 };
9562
9563 // If this line currently begins with the line comment prefix, then record
9564 // the range containing the prefix.
9565 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9566 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9567 start..end
9568 } else {
9569 end..end
9570 }
9571 }
9572
9573 // TODO: Handle selections that cross excerpts
9574 for selection in &mut selections {
9575 let start_column = snapshot
9576 .indent_size_for_line(MultiBufferRow(selection.start.row))
9577 .len;
9578 let language = if let Some(language) =
9579 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9580 {
9581 language
9582 } else {
9583 continue;
9584 };
9585
9586 selection_edit_ranges.clear();
9587
9588 // If multiple selections contain a given row, avoid processing that
9589 // row more than once.
9590 let mut start_row = MultiBufferRow(selection.start.row);
9591 if last_toggled_row == Some(start_row) {
9592 start_row = start_row.next_row();
9593 }
9594 let end_row =
9595 if selection.end.row > selection.start.row && selection.end.column == 0 {
9596 MultiBufferRow(selection.end.row - 1)
9597 } else {
9598 MultiBufferRow(selection.end.row)
9599 };
9600 last_toggled_row = Some(end_row);
9601
9602 if start_row > end_row {
9603 continue;
9604 }
9605
9606 // If the language has line comments, toggle those.
9607 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9608
9609 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9610 if ignore_indent {
9611 full_comment_prefixes = full_comment_prefixes
9612 .into_iter()
9613 .map(|s| Arc::from(s.trim_end()))
9614 .collect();
9615 }
9616
9617 if !full_comment_prefixes.is_empty() {
9618 let first_prefix = full_comment_prefixes
9619 .first()
9620 .expect("prefixes is non-empty");
9621 let prefix_trimmed_lengths = full_comment_prefixes
9622 .iter()
9623 .map(|p| p.trim_end_matches(' ').len())
9624 .collect::<SmallVec<[usize; 4]>>();
9625
9626 let mut all_selection_lines_are_comments = true;
9627
9628 for row in start_row.0..=end_row.0 {
9629 let row = MultiBufferRow(row);
9630 if start_row < end_row && snapshot.is_line_blank(row) {
9631 continue;
9632 }
9633
9634 let prefix_range = full_comment_prefixes
9635 .iter()
9636 .zip(prefix_trimmed_lengths.iter().copied())
9637 .map(|(prefix, trimmed_prefix_len)| {
9638 comment_prefix_range(
9639 snapshot.deref(),
9640 row,
9641 &prefix[..trimmed_prefix_len],
9642 &prefix[trimmed_prefix_len..],
9643 ignore_indent,
9644 )
9645 })
9646 .max_by_key(|range| range.end.column - range.start.column)
9647 .expect("prefixes is non-empty");
9648
9649 if prefix_range.is_empty() {
9650 all_selection_lines_are_comments = false;
9651 }
9652
9653 selection_edit_ranges.push(prefix_range);
9654 }
9655
9656 if all_selection_lines_are_comments {
9657 edits.extend(
9658 selection_edit_ranges
9659 .iter()
9660 .cloned()
9661 .map(|range| (range, empty_str.clone())),
9662 );
9663 } else {
9664 let min_column = selection_edit_ranges
9665 .iter()
9666 .map(|range| range.start.column)
9667 .min()
9668 .unwrap_or(0);
9669 edits.extend(selection_edit_ranges.iter().map(|range| {
9670 let position = Point::new(range.start.row, min_column);
9671 (position..position, first_prefix.clone())
9672 }));
9673 }
9674 } else if let Some((full_comment_prefix, comment_suffix)) =
9675 language.block_comment_delimiters()
9676 {
9677 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9678 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9679 let prefix_range = comment_prefix_range(
9680 snapshot.deref(),
9681 start_row,
9682 comment_prefix,
9683 comment_prefix_whitespace,
9684 ignore_indent,
9685 );
9686 let suffix_range = comment_suffix_range(
9687 snapshot.deref(),
9688 end_row,
9689 comment_suffix.trim_start_matches(' '),
9690 comment_suffix.starts_with(' '),
9691 );
9692
9693 if prefix_range.is_empty() || suffix_range.is_empty() {
9694 edits.push((
9695 prefix_range.start..prefix_range.start,
9696 full_comment_prefix.clone(),
9697 ));
9698 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9699 suffixes_inserted.push((end_row, comment_suffix.len()));
9700 } else {
9701 edits.push((prefix_range, empty_str.clone()));
9702 edits.push((suffix_range, empty_str.clone()));
9703 }
9704 } else {
9705 continue;
9706 }
9707 }
9708
9709 drop(snapshot);
9710 this.buffer.update(cx, |buffer, cx| {
9711 buffer.edit(edits, None, cx);
9712 });
9713
9714 // Adjust selections so that they end before any comment suffixes that
9715 // were inserted.
9716 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9717 let mut selections = this.selections.all::<Point>(cx);
9718 let snapshot = this.buffer.read(cx).read(cx);
9719 for selection in &mut selections {
9720 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9721 match row.cmp(&MultiBufferRow(selection.end.row)) {
9722 Ordering::Less => {
9723 suffixes_inserted.next();
9724 continue;
9725 }
9726 Ordering::Greater => break,
9727 Ordering::Equal => {
9728 if selection.end.column == snapshot.line_len(row) {
9729 if selection.is_empty() {
9730 selection.start.column -= suffix_len as u32;
9731 }
9732 selection.end.column -= suffix_len as u32;
9733 }
9734 break;
9735 }
9736 }
9737 }
9738 }
9739
9740 drop(snapshot);
9741 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9742 s.select(selections)
9743 });
9744
9745 let selections = this.selections.all::<Point>(cx);
9746 let selections_on_single_row = selections.windows(2).all(|selections| {
9747 selections[0].start.row == selections[1].start.row
9748 && selections[0].end.row == selections[1].end.row
9749 && selections[0].start.row == selections[0].end.row
9750 });
9751 let selections_selecting = selections
9752 .iter()
9753 .any(|selection| selection.start != selection.end);
9754 let advance_downwards = action.advance_downwards
9755 && selections_on_single_row
9756 && !selections_selecting
9757 && !matches!(this.mode, EditorMode::SingleLine { .. });
9758
9759 if advance_downwards {
9760 let snapshot = this.buffer.read(cx).snapshot(cx);
9761
9762 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9763 s.move_cursors_with(|display_snapshot, display_point, _| {
9764 let mut point = display_point.to_point(display_snapshot);
9765 point.row += 1;
9766 point = snapshot.clip_point(point, Bias::Left);
9767 let display_point = point.to_display_point(display_snapshot);
9768 let goal = SelectionGoal::HorizontalPosition(
9769 display_snapshot
9770 .x_for_display_point(display_point, text_layout_details)
9771 .into(),
9772 );
9773 (display_point, goal)
9774 })
9775 });
9776 }
9777 });
9778 }
9779
9780 pub fn select_enclosing_symbol(
9781 &mut self,
9782 _: &SelectEnclosingSymbol,
9783 window: &mut Window,
9784 cx: &mut Context<Self>,
9785 ) {
9786 let buffer = self.buffer.read(cx).snapshot(cx);
9787 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9788
9789 fn update_selection(
9790 selection: &Selection<usize>,
9791 buffer_snap: &MultiBufferSnapshot,
9792 ) -> Option<Selection<usize>> {
9793 let cursor = selection.head();
9794 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9795 for symbol in symbols.iter().rev() {
9796 let start = symbol.range.start.to_offset(buffer_snap);
9797 let end = symbol.range.end.to_offset(buffer_snap);
9798 let new_range = start..end;
9799 if start < selection.start || end > selection.end {
9800 return Some(Selection {
9801 id: selection.id,
9802 start: new_range.start,
9803 end: new_range.end,
9804 goal: SelectionGoal::None,
9805 reversed: selection.reversed,
9806 });
9807 }
9808 }
9809 None
9810 }
9811
9812 let mut selected_larger_symbol = false;
9813 let new_selections = old_selections
9814 .iter()
9815 .map(|selection| match update_selection(selection, &buffer) {
9816 Some(new_selection) => {
9817 if new_selection.range() != selection.range() {
9818 selected_larger_symbol = true;
9819 }
9820 new_selection
9821 }
9822 None => selection.clone(),
9823 })
9824 .collect::<Vec<_>>();
9825
9826 if selected_larger_symbol {
9827 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9828 s.select(new_selections);
9829 });
9830 }
9831 }
9832
9833 pub fn select_larger_syntax_node(
9834 &mut self,
9835 _: &SelectLargerSyntaxNode,
9836 window: &mut Window,
9837 cx: &mut Context<Self>,
9838 ) {
9839 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9840 let buffer = self.buffer.read(cx).snapshot(cx);
9841 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9842
9843 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9844 let mut selected_larger_node = false;
9845 let new_selections = old_selections
9846 .iter()
9847 .map(|selection| {
9848 let old_range = selection.start..selection.end;
9849 let mut new_range = old_range.clone();
9850 let mut new_node = None;
9851 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9852 {
9853 new_node = Some(node);
9854 new_range = containing_range;
9855 if !display_map.intersects_fold(new_range.start)
9856 && !display_map.intersects_fold(new_range.end)
9857 {
9858 break;
9859 }
9860 }
9861
9862 if let Some(node) = new_node {
9863 // Log the ancestor, to support using this action as a way to explore TreeSitter
9864 // nodes. Parent and grandparent are also logged because this operation will not
9865 // visit nodes that have the same range as their parent.
9866 log::info!("Node: {node:?}");
9867 let parent = node.parent();
9868 log::info!("Parent: {parent:?}");
9869 let grandparent = parent.and_then(|x| x.parent());
9870 log::info!("Grandparent: {grandparent:?}");
9871 }
9872
9873 selected_larger_node |= new_range != old_range;
9874 Selection {
9875 id: selection.id,
9876 start: new_range.start,
9877 end: new_range.end,
9878 goal: SelectionGoal::None,
9879 reversed: selection.reversed,
9880 }
9881 })
9882 .collect::<Vec<_>>();
9883
9884 if selected_larger_node {
9885 stack.push(old_selections);
9886 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9887 s.select(new_selections);
9888 });
9889 }
9890 self.select_larger_syntax_node_stack = stack;
9891 }
9892
9893 pub fn select_smaller_syntax_node(
9894 &mut self,
9895 _: &SelectSmallerSyntaxNode,
9896 window: &mut Window,
9897 cx: &mut Context<Self>,
9898 ) {
9899 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9900 if let Some(selections) = stack.pop() {
9901 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9902 s.select(selections.to_vec());
9903 });
9904 }
9905 self.select_larger_syntax_node_stack = stack;
9906 }
9907
9908 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
9909 if !EditorSettings::get_global(cx).gutter.runnables {
9910 self.clear_tasks();
9911 return Task::ready(());
9912 }
9913 let project = self.project.as_ref().map(Entity::downgrade);
9914 cx.spawn_in(window, |this, mut cx| async move {
9915 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
9916 let Some(project) = project.and_then(|p| p.upgrade()) else {
9917 return;
9918 };
9919 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
9920 this.display_map.update(cx, |map, cx| map.snapshot(cx))
9921 }) else {
9922 return;
9923 };
9924
9925 let hide_runnables = project
9926 .update(&mut cx, |project, cx| {
9927 // Do not display any test indicators in non-dev server remote projects.
9928 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
9929 })
9930 .unwrap_or(true);
9931 if hide_runnables {
9932 return;
9933 }
9934 let new_rows =
9935 cx.background_executor()
9936 .spawn({
9937 let snapshot = display_snapshot.clone();
9938 async move {
9939 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
9940 }
9941 })
9942 .await;
9943
9944 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
9945 this.update(&mut cx, |this, _| {
9946 this.clear_tasks();
9947 for (key, value) in rows {
9948 this.insert_tasks(key, value);
9949 }
9950 })
9951 .ok();
9952 })
9953 }
9954 fn fetch_runnable_ranges(
9955 snapshot: &DisplaySnapshot,
9956 range: Range<Anchor>,
9957 ) -> Vec<language::RunnableRange> {
9958 snapshot.buffer_snapshot.runnable_ranges(range).collect()
9959 }
9960
9961 fn runnable_rows(
9962 project: Entity<Project>,
9963 snapshot: DisplaySnapshot,
9964 runnable_ranges: Vec<RunnableRange>,
9965 mut cx: AsyncWindowContext,
9966 ) -> Vec<((BufferId, u32), RunnableTasks)> {
9967 runnable_ranges
9968 .into_iter()
9969 .filter_map(|mut runnable| {
9970 let tasks = cx
9971 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
9972 .ok()?;
9973 if tasks.is_empty() {
9974 return None;
9975 }
9976
9977 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
9978
9979 let row = snapshot
9980 .buffer_snapshot
9981 .buffer_line_for_row(MultiBufferRow(point.row))?
9982 .1
9983 .start
9984 .row;
9985
9986 let context_range =
9987 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
9988 Some((
9989 (runnable.buffer_id, row),
9990 RunnableTasks {
9991 templates: tasks,
9992 offset: MultiBufferOffset(runnable.run_range.start),
9993 context_range,
9994 column: point.column,
9995 extra_variables: runnable.extra_captures,
9996 },
9997 ))
9998 })
9999 .collect()
10000 }
10001
10002 fn templates_with_tags(
10003 project: &Entity<Project>,
10004 runnable: &mut Runnable,
10005 cx: &mut App,
10006 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
10007 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
10008 let (worktree_id, file) = project
10009 .buffer_for_id(runnable.buffer, cx)
10010 .and_then(|buffer| buffer.read(cx).file())
10011 .map(|file| (file.worktree_id(cx), file.clone()))
10012 .unzip();
10013
10014 (
10015 project.task_store().read(cx).task_inventory().cloned(),
10016 worktree_id,
10017 file,
10018 )
10019 });
10020
10021 let tags = mem::take(&mut runnable.tags);
10022 let mut tags: Vec<_> = tags
10023 .into_iter()
10024 .flat_map(|tag| {
10025 let tag = tag.0.clone();
10026 inventory
10027 .as_ref()
10028 .into_iter()
10029 .flat_map(|inventory| {
10030 inventory.read(cx).list_tasks(
10031 file.clone(),
10032 Some(runnable.language.clone()),
10033 worktree_id,
10034 cx,
10035 )
10036 })
10037 .filter(move |(_, template)| {
10038 template.tags.iter().any(|source_tag| source_tag == &tag)
10039 })
10040 })
10041 .sorted_by_key(|(kind, _)| kind.to_owned())
10042 .collect();
10043 if let Some((leading_tag_source, _)) = tags.first() {
10044 // Strongest source wins; if we have worktree tag binding, prefer that to
10045 // global and language bindings;
10046 // if we have a global binding, prefer that to language binding.
10047 let first_mismatch = tags
10048 .iter()
10049 .position(|(tag_source, _)| tag_source != leading_tag_source);
10050 if let Some(index) = first_mismatch {
10051 tags.truncate(index);
10052 }
10053 }
10054
10055 tags
10056 }
10057
10058 pub fn move_to_enclosing_bracket(
10059 &mut self,
10060 _: &MoveToEnclosingBracket,
10061 window: &mut Window,
10062 cx: &mut Context<Self>,
10063 ) {
10064 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10065 s.move_offsets_with(|snapshot, selection| {
10066 let Some(enclosing_bracket_ranges) =
10067 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
10068 else {
10069 return;
10070 };
10071
10072 let mut best_length = usize::MAX;
10073 let mut best_inside = false;
10074 let mut best_in_bracket_range = false;
10075 let mut best_destination = None;
10076 for (open, close) in enclosing_bracket_ranges {
10077 let close = close.to_inclusive();
10078 let length = close.end() - open.start;
10079 let inside = selection.start >= open.end && selection.end <= *close.start();
10080 let in_bracket_range = open.to_inclusive().contains(&selection.head())
10081 || close.contains(&selection.head());
10082
10083 // If best is next to a bracket and current isn't, skip
10084 if !in_bracket_range && best_in_bracket_range {
10085 continue;
10086 }
10087
10088 // Prefer smaller lengths unless best is inside and current isn't
10089 if length > best_length && (best_inside || !inside) {
10090 continue;
10091 }
10092
10093 best_length = length;
10094 best_inside = inside;
10095 best_in_bracket_range = in_bracket_range;
10096 best_destination = Some(
10097 if close.contains(&selection.start) && close.contains(&selection.end) {
10098 if inside {
10099 open.end
10100 } else {
10101 open.start
10102 }
10103 } else if inside {
10104 *close.start()
10105 } else {
10106 *close.end()
10107 },
10108 );
10109 }
10110
10111 if let Some(destination) = best_destination {
10112 selection.collapse_to(destination, SelectionGoal::None);
10113 }
10114 })
10115 });
10116 }
10117
10118 pub fn undo_selection(
10119 &mut self,
10120 _: &UndoSelection,
10121 window: &mut Window,
10122 cx: &mut Context<Self>,
10123 ) {
10124 self.end_selection(window, cx);
10125 self.selection_history.mode = SelectionHistoryMode::Undoing;
10126 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
10127 self.change_selections(None, window, cx, |s| {
10128 s.select_anchors(entry.selections.to_vec())
10129 });
10130 self.select_next_state = entry.select_next_state;
10131 self.select_prev_state = entry.select_prev_state;
10132 self.add_selections_state = entry.add_selections_state;
10133 self.request_autoscroll(Autoscroll::newest(), cx);
10134 }
10135 self.selection_history.mode = SelectionHistoryMode::Normal;
10136 }
10137
10138 pub fn redo_selection(
10139 &mut self,
10140 _: &RedoSelection,
10141 window: &mut Window,
10142 cx: &mut Context<Self>,
10143 ) {
10144 self.end_selection(window, cx);
10145 self.selection_history.mode = SelectionHistoryMode::Redoing;
10146 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
10147 self.change_selections(None, window, cx, |s| {
10148 s.select_anchors(entry.selections.to_vec())
10149 });
10150 self.select_next_state = entry.select_next_state;
10151 self.select_prev_state = entry.select_prev_state;
10152 self.add_selections_state = entry.add_selections_state;
10153 self.request_autoscroll(Autoscroll::newest(), cx);
10154 }
10155 self.selection_history.mode = SelectionHistoryMode::Normal;
10156 }
10157
10158 pub fn expand_excerpts(
10159 &mut self,
10160 action: &ExpandExcerpts,
10161 _: &mut Window,
10162 cx: &mut Context<Self>,
10163 ) {
10164 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
10165 }
10166
10167 pub fn expand_excerpts_down(
10168 &mut self,
10169 action: &ExpandExcerptsDown,
10170 _: &mut Window,
10171 cx: &mut Context<Self>,
10172 ) {
10173 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
10174 }
10175
10176 pub fn expand_excerpts_up(
10177 &mut self,
10178 action: &ExpandExcerptsUp,
10179 _: &mut Window,
10180 cx: &mut Context<Self>,
10181 ) {
10182 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
10183 }
10184
10185 pub fn expand_excerpts_for_direction(
10186 &mut self,
10187 lines: u32,
10188 direction: ExpandExcerptDirection,
10189
10190 cx: &mut Context<Self>,
10191 ) {
10192 let selections = self.selections.disjoint_anchors();
10193
10194 let lines = if lines == 0 {
10195 EditorSettings::get_global(cx).expand_excerpt_lines
10196 } else {
10197 lines
10198 };
10199
10200 self.buffer.update(cx, |buffer, cx| {
10201 let snapshot = buffer.snapshot(cx);
10202 let mut excerpt_ids = selections
10203 .iter()
10204 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
10205 .collect::<Vec<_>>();
10206 excerpt_ids.sort();
10207 excerpt_ids.dedup();
10208 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
10209 })
10210 }
10211
10212 pub fn expand_excerpt(
10213 &mut self,
10214 excerpt: ExcerptId,
10215 direction: ExpandExcerptDirection,
10216 cx: &mut Context<Self>,
10217 ) {
10218 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
10219 self.buffer.update(cx, |buffer, cx| {
10220 buffer.expand_excerpts([excerpt], lines, direction, cx)
10221 })
10222 }
10223
10224 pub fn go_to_singleton_buffer_point(
10225 &mut self,
10226 point: Point,
10227 window: &mut Window,
10228 cx: &mut Context<Self>,
10229 ) {
10230 self.go_to_singleton_buffer_range(point..point, window, cx);
10231 }
10232
10233 pub fn go_to_singleton_buffer_range(
10234 &mut self,
10235 range: Range<Point>,
10236 window: &mut Window,
10237 cx: &mut Context<Self>,
10238 ) {
10239 let multibuffer = self.buffer().read(cx);
10240 let Some(buffer) = multibuffer.as_singleton() else {
10241 return;
10242 };
10243 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
10244 return;
10245 };
10246 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
10247 return;
10248 };
10249 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
10250 s.select_anchor_ranges([start..end])
10251 });
10252 }
10253
10254 fn go_to_diagnostic(
10255 &mut self,
10256 _: &GoToDiagnostic,
10257 window: &mut Window,
10258 cx: &mut Context<Self>,
10259 ) {
10260 self.go_to_diagnostic_impl(Direction::Next, window, cx)
10261 }
10262
10263 fn go_to_prev_diagnostic(
10264 &mut self,
10265 _: &GoToPrevDiagnostic,
10266 window: &mut Window,
10267 cx: &mut Context<Self>,
10268 ) {
10269 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
10270 }
10271
10272 pub fn go_to_diagnostic_impl(
10273 &mut self,
10274 direction: Direction,
10275 window: &mut Window,
10276 cx: &mut Context<Self>,
10277 ) {
10278 let buffer = self.buffer.read(cx).snapshot(cx);
10279 let selection = self.selections.newest::<usize>(cx);
10280
10281 // If there is an active Diagnostic Popover jump to its diagnostic instead.
10282 if direction == Direction::Next {
10283 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
10284 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
10285 return;
10286 };
10287 self.activate_diagnostics(
10288 buffer_id,
10289 popover.local_diagnostic.diagnostic.group_id,
10290 window,
10291 cx,
10292 );
10293 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
10294 let primary_range_start = active_diagnostics.primary_range.start;
10295 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10296 let mut new_selection = s.newest_anchor().clone();
10297 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
10298 s.select_anchors(vec![new_selection.clone()]);
10299 });
10300 self.refresh_inline_completion(false, true, window, cx);
10301 }
10302 return;
10303 }
10304 }
10305
10306 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
10307 active_diagnostics
10308 .primary_range
10309 .to_offset(&buffer)
10310 .to_inclusive()
10311 });
10312 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
10313 if active_primary_range.contains(&selection.head()) {
10314 *active_primary_range.start()
10315 } else {
10316 selection.head()
10317 }
10318 } else {
10319 selection.head()
10320 };
10321 let snapshot = self.snapshot(window, cx);
10322 loop {
10323 let mut diagnostics;
10324 if direction == Direction::Prev {
10325 diagnostics = buffer
10326 .diagnostics_in_range::<usize>(0..search_start)
10327 .collect::<Vec<_>>();
10328 diagnostics.reverse();
10329 } else {
10330 diagnostics = buffer
10331 .diagnostics_in_range::<usize>(search_start..buffer.len())
10332 .collect::<Vec<_>>();
10333 };
10334 let group = diagnostics
10335 .into_iter()
10336 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
10337 // relies on diagnostics_in_range to return diagnostics with the same starting range to
10338 // be sorted in a stable way
10339 // skip until we are at current active diagnostic, if it exists
10340 .skip_while(|entry| {
10341 let is_in_range = match direction {
10342 Direction::Prev => entry.range.end > search_start,
10343 Direction::Next => entry.range.start < search_start,
10344 };
10345 is_in_range
10346 && self
10347 .active_diagnostics
10348 .as_ref()
10349 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
10350 })
10351 .find_map(|entry| {
10352 if entry.diagnostic.is_primary
10353 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
10354 && entry.range.start != entry.range.end
10355 // if we match with the active diagnostic, skip it
10356 && Some(entry.diagnostic.group_id)
10357 != self.active_diagnostics.as_ref().map(|d| d.group_id)
10358 {
10359 Some((entry.range, entry.diagnostic.group_id))
10360 } else {
10361 None
10362 }
10363 });
10364
10365 if let Some((primary_range, group_id)) = group {
10366 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
10367 return;
10368 };
10369 self.activate_diagnostics(buffer_id, group_id, window, cx);
10370 if self.active_diagnostics.is_some() {
10371 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10372 s.select(vec![Selection {
10373 id: selection.id,
10374 start: primary_range.start,
10375 end: primary_range.start,
10376 reversed: false,
10377 goal: SelectionGoal::None,
10378 }]);
10379 });
10380 self.refresh_inline_completion(false, true, window, cx);
10381 }
10382 break;
10383 } else {
10384 // Cycle around to the start of the buffer, potentially moving back to the start of
10385 // the currently active diagnostic.
10386 active_primary_range.take();
10387 if direction == Direction::Prev {
10388 if search_start == buffer.len() {
10389 break;
10390 } else {
10391 search_start = buffer.len();
10392 }
10393 } else if search_start == 0 {
10394 break;
10395 } else {
10396 search_start = 0;
10397 }
10398 }
10399 }
10400 }
10401
10402 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
10403 let snapshot = self.snapshot(window, cx);
10404 let selection = self.selections.newest::<Point>(cx);
10405 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
10406 }
10407
10408 fn go_to_hunk_after_position(
10409 &mut self,
10410 snapshot: &EditorSnapshot,
10411 position: Point,
10412 window: &mut Window,
10413 cx: &mut Context<Editor>,
10414 ) -> Option<MultiBufferDiffHunk> {
10415 let mut hunk = snapshot
10416 .buffer_snapshot
10417 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
10418 .find(|hunk| hunk.row_range.start.0 > position.row);
10419 if hunk.is_none() {
10420 hunk = snapshot
10421 .buffer_snapshot
10422 .diff_hunks_in_range(Point::zero()..position)
10423 .find(|hunk| hunk.row_range.end.0 < position.row)
10424 }
10425 if let Some(hunk) = &hunk {
10426 let destination = Point::new(hunk.row_range.start.0, 0);
10427 self.unfold_ranges(&[destination..destination], false, false, cx);
10428 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10429 s.select_ranges(vec![destination..destination]);
10430 });
10431 }
10432
10433 hunk
10434 }
10435
10436 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
10437 let snapshot = self.snapshot(window, cx);
10438 let selection = self.selections.newest::<Point>(cx);
10439 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
10440 }
10441
10442 fn go_to_hunk_before_position(
10443 &mut self,
10444 snapshot: &EditorSnapshot,
10445 position: Point,
10446 window: &mut Window,
10447 cx: &mut Context<Editor>,
10448 ) -> Option<MultiBufferDiffHunk> {
10449 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
10450 if hunk.is_none() {
10451 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
10452 }
10453 if let Some(hunk) = &hunk {
10454 let destination = Point::new(hunk.row_range.start.0, 0);
10455 self.unfold_ranges(&[destination..destination], false, false, cx);
10456 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10457 s.select_ranges(vec![destination..destination]);
10458 });
10459 }
10460
10461 hunk
10462 }
10463
10464 pub fn go_to_definition(
10465 &mut self,
10466 _: &GoToDefinition,
10467 window: &mut Window,
10468 cx: &mut Context<Self>,
10469 ) -> Task<Result<Navigated>> {
10470 let definition =
10471 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10472 cx.spawn_in(window, |editor, mut cx| async move {
10473 if definition.await? == Navigated::Yes {
10474 return Ok(Navigated::Yes);
10475 }
10476 match editor.update_in(&mut cx, |editor, window, cx| {
10477 editor.find_all_references(&FindAllReferences, window, cx)
10478 })? {
10479 Some(references) => references.await,
10480 None => Ok(Navigated::No),
10481 }
10482 })
10483 }
10484
10485 pub fn go_to_declaration(
10486 &mut self,
10487 _: &GoToDeclaration,
10488 window: &mut Window,
10489 cx: &mut Context<Self>,
10490 ) -> Task<Result<Navigated>> {
10491 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10492 }
10493
10494 pub fn go_to_declaration_split(
10495 &mut self,
10496 _: &GoToDeclaration,
10497 window: &mut Window,
10498 cx: &mut Context<Self>,
10499 ) -> Task<Result<Navigated>> {
10500 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10501 }
10502
10503 pub fn go_to_implementation(
10504 &mut self,
10505 _: &GoToImplementation,
10506 window: &mut Window,
10507 cx: &mut Context<Self>,
10508 ) -> Task<Result<Navigated>> {
10509 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10510 }
10511
10512 pub fn go_to_implementation_split(
10513 &mut self,
10514 _: &GoToImplementationSplit,
10515 window: &mut Window,
10516 cx: &mut Context<Self>,
10517 ) -> Task<Result<Navigated>> {
10518 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10519 }
10520
10521 pub fn go_to_type_definition(
10522 &mut self,
10523 _: &GoToTypeDefinition,
10524 window: &mut Window,
10525 cx: &mut Context<Self>,
10526 ) -> Task<Result<Navigated>> {
10527 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10528 }
10529
10530 pub fn go_to_definition_split(
10531 &mut self,
10532 _: &GoToDefinitionSplit,
10533 window: &mut Window,
10534 cx: &mut Context<Self>,
10535 ) -> Task<Result<Navigated>> {
10536 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10537 }
10538
10539 pub fn go_to_type_definition_split(
10540 &mut self,
10541 _: &GoToTypeDefinitionSplit,
10542 window: &mut Window,
10543 cx: &mut Context<Self>,
10544 ) -> Task<Result<Navigated>> {
10545 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10546 }
10547
10548 fn go_to_definition_of_kind(
10549 &mut self,
10550 kind: GotoDefinitionKind,
10551 split: bool,
10552 window: &mut Window,
10553 cx: &mut Context<Self>,
10554 ) -> Task<Result<Navigated>> {
10555 let Some(provider) = self.semantics_provider.clone() else {
10556 return Task::ready(Ok(Navigated::No));
10557 };
10558 let head = self.selections.newest::<usize>(cx).head();
10559 let buffer = self.buffer.read(cx);
10560 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10561 text_anchor
10562 } else {
10563 return Task::ready(Ok(Navigated::No));
10564 };
10565
10566 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10567 return Task::ready(Ok(Navigated::No));
10568 };
10569
10570 cx.spawn_in(window, |editor, mut cx| async move {
10571 let definitions = definitions.await?;
10572 let navigated = editor
10573 .update_in(&mut cx, |editor, window, cx| {
10574 editor.navigate_to_hover_links(
10575 Some(kind),
10576 definitions
10577 .into_iter()
10578 .filter(|location| {
10579 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10580 })
10581 .map(HoverLink::Text)
10582 .collect::<Vec<_>>(),
10583 split,
10584 window,
10585 cx,
10586 )
10587 })?
10588 .await?;
10589 anyhow::Ok(navigated)
10590 })
10591 }
10592
10593 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10594 let selection = self.selections.newest_anchor();
10595 let head = selection.head();
10596 let tail = selection.tail();
10597
10598 let Some((buffer, start_position)) =
10599 self.buffer.read(cx).text_anchor_for_position(head, cx)
10600 else {
10601 return;
10602 };
10603
10604 let end_position = if head != tail {
10605 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10606 return;
10607 };
10608 Some(pos)
10609 } else {
10610 None
10611 };
10612
10613 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10614 let url = if let Some(end_pos) = end_position {
10615 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10616 } else {
10617 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10618 };
10619
10620 if let Some(url) = url {
10621 editor.update(&mut cx, |_, cx| {
10622 cx.open_url(&url);
10623 })
10624 } else {
10625 Ok(())
10626 }
10627 });
10628
10629 url_finder.detach();
10630 }
10631
10632 pub fn open_selected_filename(
10633 &mut self,
10634 _: &OpenSelectedFilename,
10635 window: &mut Window,
10636 cx: &mut Context<Self>,
10637 ) {
10638 let Some(workspace) = self.workspace() else {
10639 return;
10640 };
10641
10642 let position = self.selections.newest_anchor().head();
10643
10644 let Some((buffer, buffer_position)) =
10645 self.buffer.read(cx).text_anchor_for_position(position, cx)
10646 else {
10647 return;
10648 };
10649
10650 let project = self.project.clone();
10651
10652 cx.spawn_in(window, |_, mut cx| async move {
10653 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10654
10655 if let Some((_, path)) = result {
10656 workspace
10657 .update_in(&mut cx, |workspace, window, cx| {
10658 workspace.open_resolved_path(path, window, cx)
10659 })?
10660 .await?;
10661 }
10662 anyhow::Ok(())
10663 })
10664 .detach();
10665 }
10666
10667 pub(crate) fn navigate_to_hover_links(
10668 &mut self,
10669 kind: Option<GotoDefinitionKind>,
10670 mut definitions: Vec<HoverLink>,
10671 split: bool,
10672 window: &mut Window,
10673 cx: &mut Context<Editor>,
10674 ) -> Task<Result<Navigated>> {
10675 // If there is one definition, just open it directly
10676 if definitions.len() == 1 {
10677 let definition = definitions.pop().unwrap();
10678
10679 enum TargetTaskResult {
10680 Location(Option<Location>),
10681 AlreadyNavigated,
10682 }
10683
10684 let target_task = match definition {
10685 HoverLink::Text(link) => {
10686 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10687 }
10688 HoverLink::InlayHint(lsp_location, server_id) => {
10689 let computation =
10690 self.compute_target_location(lsp_location, server_id, window, cx);
10691 cx.background_executor().spawn(async move {
10692 let location = computation.await?;
10693 Ok(TargetTaskResult::Location(location))
10694 })
10695 }
10696 HoverLink::Url(url) => {
10697 cx.open_url(&url);
10698 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10699 }
10700 HoverLink::File(path) => {
10701 if let Some(workspace) = self.workspace() {
10702 cx.spawn_in(window, |_, mut cx| async move {
10703 workspace
10704 .update_in(&mut cx, |workspace, window, cx| {
10705 workspace.open_resolved_path(path, window, cx)
10706 })?
10707 .await
10708 .map(|_| TargetTaskResult::AlreadyNavigated)
10709 })
10710 } else {
10711 Task::ready(Ok(TargetTaskResult::Location(None)))
10712 }
10713 }
10714 };
10715 cx.spawn_in(window, |editor, mut cx| async move {
10716 let target = match target_task.await.context("target resolution task")? {
10717 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10718 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10719 TargetTaskResult::Location(Some(target)) => target,
10720 };
10721
10722 editor.update_in(&mut cx, |editor, window, cx| {
10723 let Some(workspace) = editor.workspace() else {
10724 return Navigated::No;
10725 };
10726 let pane = workspace.read(cx).active_pane().clone();
10727
10728 let range = target.range.to_point(target.buffer.read(cx));
10729 let range = editor.range_for_match(&range);
10730 let range = collapse_multiline_range(range);
10731
10732 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10733 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10734 } else {
10735 window.defer(cx, move |window, cx| {
10736 let target_editor: Entity<Self> =
10737 workspace.update(cx, |workspace, cx| {
10738 let pane = if split {
10739 workspace.adjacent_pane(window, cx)
10740 } else {
10741 workspace.active_pane().clone()
10742 };
10743
10744 workspace.open_project_item(
10745 pane,
10746 target.buffer.clone(),
10747 true,
10748 true,
10749 window,
10750 cx,
10751 )
10752 });
10753 target_editor.update(cx, |target_editor, cx| {
10754 // When selecting a definition in a different buffer, disable the nav history
10755 // to avoid creating a history entry at the previous cursor location.
10756 pane.update(cx, |pane, _| pane.disable_history());
10757 target_editor.go_to_singleton_buffer_range(range, window, cx);
10758 pane.update(cx, |pane, _| pane.enable_history());
10759 });
10760 });
10761 }
10762 Navigated::Yes
10763 })
10764 })
10765 } else if !definitions.is_empty() {
10766 cx.spawn_in(window, |editor, mut cx| async move {
10767 let (title, location_tasks, workspace) = editor
10768 .update_in(&mut cx, |editor, window, cx| {
10769 let tab_kind = match kind {
10770 Some(GotoDefinitionKind::Implementation) => "Implementations",
10771 _ => "Definitions",
10772 };
10773 let title = definitions
10774 .iter()
10775 .find_map(|definition| match definition {
10776 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10777 let buffer = origin.buffer.read(cx);
10778 format!(
10779 "{} for {}",
10780 tab_kind,
10781 buffer
10782 .text_for_range(origin.range.clone())
10783 .collect::<String>()
10784 )
10785 }),
10786 HoverLink::InlayHint(_, _) => None,
10787 HoverLink::Url(_) => None,
10788 HoverLink::File(_) => None,
10789 })
10790 .unwrap_or(tab_kind.to_string());
10791 let location_tasks = definitions
10792 .into_iter()
10793 .map(|definition| match definition {
10794 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10795 HoverLink::InlayHint(lsp_location, server_id) => editor
10796 .compute_target_location(lsp_location, server_id, window, cx),
10797 HoverLink::Url(_) => Task::ready(Ok(None)),
10798 HoverLink::File(_) => Task::ready(Ok(None)),
10799 })
10800 .collect::<Vec<_>>();
10801 (title, location_tasks, editor.workspace().clone())
10802 })
10803 .context("location tasks preparation")?;
10804
10805 let locations = future::join_all(location_tasks)
10806 .await
10807 .into_iter()
10808 .filter_map(|location| location.transpose())
10809 .collect::<Result<_>>()
10810 .context("location tasks")?;
10811
10812 let Some(workspace) = workspace else {
10813 return Ok(Navigated::No);
10814 };
10815 let opened = workspace
10816 .update_in(&mut cx, |workspace, window, cx| {
10817 Self::open_locations_in_multibuffer(
10818 workspace,
10819 locations,
10820 title,
10821 split,
10822 MultibufferSelectionMode::First,
10823 window,
10824 cx,
10825 )
10826 })
10827 .ok();
10828
10829 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10830 })
10831 } else {
10832 Task::ready(Ok(Navigated::No))
10833 }
10834 }
10835
10836 fn compute_target_location(
10837 &self,
10838 lsp_location: lsp::Location,
10839 server_id: LanguageServerId,
10840 window: &mut Window,
10841 cx: &mut Context<Self>,
10842 ) -> Task<anyhow::Result<Option<Location>>> {
10843 let Some(project) = self.project.clone() else {
10844 return Task::ready(Ok(None));
10845 };
10846
10847 cx.spawn_in(window, move |editor, mut cx| async move {
10848 let location_task = editor.update(&mut cx, |_, cx| {
10849 project.update(cx, |project, cx| {
10850 let language_server_name = project
10851 .language_server_statuses(cx)
10852 .find(|(id, _)| server_id == *id)
10853 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10854 language_server_name.map(|language_server_name| {
10855 project.open_local_buffer_via_lsp(
10856 lsp_location.uri.clone(),
10857 server_id,
10858 language_server_name,
10859 cx,
10860 )
10861 })
10862 })
10863 })?;
10864 let location = match location_task {
10865 Some(task) => Some({
10866 let target_buffer_handle = task.await.context("open local buffer")?;
10867 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10868 let target_start = target_buffer
10869 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10870 let target_end = target_buffer
10871 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10872 target_buffer.anchor_after(target_start)
10873 ..target_buffer.anchor_before(target_end)
10874 })?;
10875 Location {
10876 buffer: target_buffer_handle,
10877 range,
10878 }
10879 }),
10880 None => None,
10881 };
10882 Ok(location)
10883 })
10884 }
10885
10886 pub fn find_all_references(
10887 &mut self,
10888 _: &FindAllReferences,
10889 window: &mut Window,
10890 cx: &mut Context<Self>,
10891 ) -> Option<Task<Result<Navigated>>> {
10892 let selection = self.selections.newest::<usize>(cx);
10893 let multi_buffer = self.buffer.read(cx);
10894 let head = selection.head();
10895
10896 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
10897 let head_anchor = multi_buffer_snapshot.anchor_at(
10898 head,
10899 if head < selection.tail() {
10900 Bias::Right
10901 } else {
10902 Bias::Left
10903 },
10904 );
10905
10906 match self
10907 .find_all_references_task_sources
10908 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
10909 {
10910 Ok(_) => {
10911 log::info!(
10912 "Ignoring repeated FindAllReferences invocation with the position of already running task"
10913 );
10914 return None;
10915 }
10916 Err(i) => {
10917 self.find_all_references_task_sources.insert(i, head_anchor);
10918 }
10919 }
10920
10921 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
10922 let workspace = self.workspace()?;
10923 let project = workspace.read(cx).project().clone();
10924 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
10925 Some(cx.spawn_in(window, |editor, mut cx| async move {
10926 let _cleanup = defer({
10927 let mut cx = cx.clone();
10928 move || {
10929 let _ = editor.update(&mut cx, |editor, _| {
10930 if let Ok(i) =
10931 editor
10932 .find_all_references_task_sources
10933 .binary_search_by(|anchor| {
10934 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
10935 })
10936 {
10937 editor.find_all_references_task_sources.remove(i);
10938 }
10939 });
10940 }
10941 });
10942
10943 let locations = references.await?;
10944 if locations.is_empty() {
10945 return anyhow::Ok(Navigated::No);
10946 }
10947
10948 workspace.update_in(&mut cx, |workspace, window, cx| {
10949 let title = locations
10950 .first()
10951 .as_ref()
10952 .map(|location| {
10953 let buffer = location.buffer.read(cx);
10954 format!(
10955 "References to `{}`",
10956 buffer
10957 .text_for_range(location.range.clone())
10958 .collect::<String>()
10959 )
10960 })
10961 .unwrap();
10962 Self::open_locations_in_multibuffer(
10963 workspace,
10964 locations,
10965 title,
10966 false,
10967 MultibufferSelectionMode::First,
10968 window,
10969 cx,
10970 );
10971 Navigated::Yes
10972 })
10973 }))
10974 }
10975
10976 /// Opens a multibuffer with the given project locations in it
10977 pub fn open_locations_in_multibuffer(
10978 workspace: &mut Workspace,
10979 mut locations: Vec<Location>,
10980 title: String,
10981 split: bool,
10982 multibuffer_selection_mode: MultibufferSelectionMode,
10983 window: &mut Window,
10984 cx: &mut Context<Workspace>,
10985 ) {
10986 // If there are multiple definitions, open them in a multibuffer
10987 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
10988 let mut locations = locations.into_iter().peekable();
10989 let mut ranges = Vec::new();
10990 let capability = workspace.project().read(cx).capability();
10991
10992 let excerpt_buffer = cx.new(|cx| {
10993 let mut multibuffer = MultiBuffer::new(capability);
10994 while let Some(location) = locations.next() {
10995 let buffer = location.buffer.read(cx);
10996 let mut ranges_for_buffer = Vec::new();
10997 let range = location.range.to_offset(buffer);
10998 ranges_for_buffer.push(range.clone());
10999
11000 while let Some(next_location) = locations.peek() {
11001 if next_location.buffer == location.buffer {
11002 ranges_for_buffer.push(next_location.range.to_offset(buffer));
11003 locations.next();
11004 } else {
11005 break;
11006 }
11007 }
11008
11009 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
11010 ranges.extend(multibuffer.push_excerpts_with_context_lines(
11011 location.buffer.clone(),
11012 ranges_for_buffer,
11013 DEFAULT_MULTIBUFFER_CONTEXT,
11014 cx,
11015 ))
11016 }
11017
11018 multibuffer.with_title(title)
11019 });
11020
11021 let editor = cx.new(|cx| {
11022 Editor::for_multibuffer(
11023 excerpt_buffer,
11024 Some(workspace.project().clone()),
11025 true,
11026 window,
11027 cx,
11028 )
11029 });
11030 editor.update(cx, |editor, cx| {
11031 match multibuffer_selection_mode {
11032 MultibufferSelectionMode::First => {
11033 if let Some(first_range) = ranges.first() {
11034 editor.change_selections(None, window, cx, |selections| {
11035 selections.clear_disjoint();
11036 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
11037 });
11038 }
11039 editor.highlight_background::<Self>(
11040 &ranges,
11041 |theme| theme.editor_highlighted_line_background,
11042 cx,
11043 );
11044 }
11045 MultibufferSelectionMode::All => {
11046 editor.change_selections(None, window, cx, |selections| {
11047 selections.clear_disjoint();
11048 selections.select_anchor_ranges(ranges);
11049 });
11050 }
11051 }
11052 editor.register_buffers_with_language_servers(cx);
11053 });
11054
11055 let item = Box::new(editor);
11056 let item_id = item.item_id();
11057
11058 if split {
11059 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
11060 } else {
11061 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
11062 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
11063 pane.close_current_preview_item(window, cx)
11064 } else {
11065 None
11066 }
11067 });
11068 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
11069 }
11070 workspace.active_pane().update(cx, |pane, cx| {
11071 pane.set_preview_item_id(Some(item_id), cx);
11072 });
11073 }
11074
11075 pub fn rename(
11076 &mut self,
11077 _: &Rename,
11078 window: &mut Window,
11079 cx: &mut Context<Self>,
11080 ) -> Option<Task<Result<()>>> {
11081 use language::ToOffset as _;
11082
11083 let provider = self.semantics_provider.clone()?;
11084 let selection = self.selections.newest_anchor().clone();
11085 let (cursor_buffer, cursor_buffer_position) = self
11086 .buffer
11087 .read(cx)
11088 .text_anchor_for_position(selection.head(), cx)?;
11089 let (tail_buffer, cursor_buffer_position_end) = self
11090 .buffer
11091 .read(cx)
11092 .text_anchor_for_position(selection.tail(), cx)?;
11093 if tail_buffer != cursor_buffer {
11094 return None;
11095 }
11096
11097 let snapshot = cursor_buffer.read(cx).snapshot();
11098 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
11099 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
11100 let prepare_rename = provider
11101 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
11102 .unwrap_or_else(|| Task::ready(Ok(None)));
11103 drop(snapshot);
11104
11105 Some(cx.spawn_in(window, |this, mut cx| async move {
11106 let rename_range = if let Some(range) = prepare_rename.await? {
11107 Some(range)
11108 } else {
11109 this.update(&mut cx, |this, cx| {
11110 let buffer = this.buffer.read(cx).snapshot(cx);
11111 let mut buffer_highlights = this
11112 .document_highlights_for_position(selection.head(), &buffer)
11113 .filter(|highlight| {
11114 highlight.start.excerpt_id == selection.head().excerpt_id
11115 && highlight.end.excerpt_id == selection.head().excerpt_id
11116 });
11117 buffer_highlights
11118 .next()
11119 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
11120 })?
11121 };
11122 if let Some(rename_range) = rename_range {
11123 this.update_in(&mut cx, |this, window, cx| {
11124 let snapshot = cursor_buffer.read(cx).snapshot();
11125 let rename_buffer_range = rename_range.to_offset(&snapshot);
11126 let cursor_offset_in_rename_range =
11127 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
11128 let cursor_offset_in_rename_range_end =
11129 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
11130
11131 this.take_rename(false, window, cx);
11132 let buffer = this.buffer.read(cx).read(cx);
11133 let cursor_offset = selection.head().to_offset(&buffer);
11134 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
11135 let rename_end = rename_start + rename_buffer_range.len();
11136 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
11137 let mut old_highlight_id = None;
11138 let old_name: Arc<str> = buffer
11139 .chunks(rename_start..rename_end, true)
11140 .map(|chunk| {
11141 if old_highlight_id.is_none() {
11142 old_highlight_id = chunk.syntax_highlight_id;
11143 }
11144 chunk.text
11145 })
11146 .collect::<String>()
11147 .into();
11148
11149 drop(buffer);
11150
11151 // Position the selection in the rename editor so that it matches the current selection.
11152 this.show_local_selections = false;
11153 let rename_editor = cx.new(|cx| {
11154 let mut editor = Editor::single_line(window, cx);
11155 editor.buffer.update(cx, |buffer, cx| {
11156 buffer.edit([(0..0, old_name.clone())], None, cx)
11157 });
11158 let rename_selection_range = match cursor_offset_in_rename_range
11159 .cmp(&cursor_offset_in_rename_range_end)
11160 {
11161 Ordering::Equal => {
11162 editor.select_all(&SelectAll, window, cx);
11163 return editor;
11164 }
11165 Ordering::Less => {
11166 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
11167 }
11168 Ordering::Greater => {
11169 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
11170 }
11171 };
11172 if rename_selection_range.end > old_name.len() {
11173 editor.select_all(&SelectAll, window, cx);
11174 } else {
11175 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
11176 s.select_ranges([rename_selection_range]);
11177 });
11178 }
11179 editor
11180 });
11181 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
11182 if e == &EditorEvent::Focused {
11183 cx.emit(EditorEvent::FocusedIn)
11184 }
11185 })
11186 .detach();
11187
11188 let write_highlights =
11189 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
11190 let read_highlights =
11191 this.clear_background_highlights::<DocumentHighlightRead>(cx);
11192 let ranges = write_highlights
11193 .iter()
11194 .flat_map(|(_, ranges)| ranges.iter())
11195 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
11196 .cloned()
11197 .collect();
11198
11199 this.highlight_text::<Rename>(
11200 ranges,
11201 HighlightStyle {
11202 fade_out: Some(0.6),
11203 ..Default::default()
11204 },
11205 cx,
11206 );
11207 let rename_focus_handle = rename_editor.focus_handle(cx);
11208 window.focus(&rename_focus_handle);
11209 let block_id = this.insert_blocks(
11210 [BlockProperties {
11211 style: BlockStyle::Flex,
11212 placement: BlockPlacement::Below(range.start),
11213 height: 1,
11214 render: Arc::new({
11215 let rename_editor = rename_editor.clone();
11216 move |cx: &mut BlockContext| {
11217 let mut text_style = cx.editor_style.text.clone();
11218 if let Some(highlight_style) = old_highlight_id
11219 .and_then(|h| h.style(&cx.editor_style.syntax))
11220 {
11221 text_style = text_style.highlight(highlight_style);
11222 }
11223 div()
11224 .block_mouse_down()
11225 .pl(cx.anchor_x)
11226 .child(EditorElement::new(
11227 &rename_editor,
11228 EditorStyle {
11229 background: cx.theme().system().transparent,
11230 local_player: cx.editor_style.local_player,
11231 text: text_style,
11232 scrollbar_width: cx.editor_style.scrollbar_width,
11233 syntax: cx.editor_style.syntax.clone(),
11234 status: cx.editor_style.status.clone(),
11235 inlay_hints_style: HighlightStyle {
11236 font_weight: Some(FontWeight::BOLD),
11237 ..make_inlay_hints_style(cx.app)
11238 },
11239 inline_completion_styles: make_suggestion_styles(
11240 cx.app,
11241 ),
11242 ..EditorStyle::default()
11243 },
11244 ))
11245 .into_any_element()
11246 }
11247 }),
11248 priority: 0,
11249 }],
11250 Some(Autoscroll::fit()),
11251 cx,
11252 )[0];
11253 this.pending_rename = Some(RenameState {
11254 range,
11255 old_name,
11256 editor: rename_editor,
11257 block_id,
11258 });
11259 })?;
11260 }
11261
11262 Ok(())
11263 }))
11264 }
11265
11266 pub fn confirm_rename(
11267 &mut self,
11268 _: &ConfirmRename,
11269 window: &mut Window,
11270 cx: &mut Context<Self>,
11271 ) -> Option<Task<Result<()>>> {
11272 let rename = self.take_rename(false, window, cx)?;
11273 let workspace = self.workspace()?.downgrade();
11274 let (buffer, start) = self
11275 .buffer
11276 .read(cx)
11277 .text_anchor_for_position(rename.range.start, cx)?;
11278 let (end_buffer, _) = self
11279 .buffer
11280 .read(cx)
11281 .text_anchor_for_position(rename.range.end, cx)?;
11282 if buffer != end_buffer {
11283 return None;
11284 }
11285
11286 let old_name = rename.old_name;
11287 let new_name = rename.editor.read(cx).text(cx);
11288
11289 let rename = self.semantics_provider.as_ref()?.perform_rename(
11290 &buffer,
11291 start,
11292 new_name.clone(),
11293 cx,
11294 )?;
11295
11296 Some(cx.spawn_in(window, |editor, mut cx| async move {
11297 let project_transaction = rename.await?;
11298 Self::open_project_transaction(
11299 &editor,
11300 workspace,
11301 project_transaction,
11302 format!("Rename: {} → {}", old_name, new_name),
11303 cx.clone(),
11304 )
11305 .await?;
11306
11307 editor.update(&mut cx, |editor, cx| {
11308 editor.refresh_document_highlights(cx);
11309 })?;
11310 Ok(())
11311 }))
11312 }
11313
11314 fn take_rename(
11315 &mut self,
11316 moving_cursor: bool,
11317 window: &mut Window,
11318 cx: &mut Context<Self>,
11319 ) -> Option<RenameState> {
11320 let rename = self.pending_rename.take()?;
11321 if rename.editor.focus_handle(cx).is_focused(window) {
11322 window.focus(&self.focus_handle);
11323 }
11324
11325 self.remove_blocks(
11326 [rename.block_id].into_iter().collect(),
11327 Some(Autoscroll::fit()),
11328 cx,
11329 );
11330 self.clear_highlights::<Rename>(cx);
11331 self.show_local_selections = true;
11332
11333 if moving_cursor {
11334 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
11335 editor.selections.newest::<usize>(cx).head()
11336 });
11337
11338 // Update the selection to match the position of the selection inside
11339 // the rename editor.
11340 let snapshot = self.buffer.read(cx).read(cx);
11341 let rename_range = rename.range.to_offset(&snapshot);
11342 let cursor_in_editor = snapshot
11343 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
11344 .min(rename_range.end);
11345 drop(snapshot);
11346
11347 self.change_selections(None, window, cx, |s| {
11348 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
11349 });
11350 } else {
11351 self.refresh_document_highlights(cx);
11352 }
11353
11354 Some(rename)
11355 }
11356
11357 pub fn pending_rename(&self) -> Option<&RenameState> {
11358 self.pending_rename.as_ref()
11359 }
11360
11361 fn format(
11362 &mut self,
11363 _: &Format,
11364 window: &mut Window,
11365 cx: &mut Context<Self>,
11366 ) -> Option<Task<Result<()>>> {
11367 let project = match &self.project {
11368 Some(project) => project.clone(),
11369 None => return None,
11370 };
11371
11372 Some(self.perform_format(
11373 project,
11374 FormatTrigger::Manual,
11375 FormatTarget::Buffers,
11376 window,
11377 cx,
11378 ))
11379 }
11380
11381 fn format_selections(
11382 &mut self,
11383 _: &FormatSelections,
11384 window: &mut Window,
11385 cx: &mut Context<Self>,
11386 ) -> Option<Task<Result<()>>> {
11387 let project = match &self.project {
11388 Some(project) => project.clone(),
11389 None => return None,
11390 };
11391
11392 let ranges = self
11393 .selections
11394 .all_adjusted(cx)
11395 .into_iter()
11396 .map(|selection| selection.range())
11397 .collect_vec();
11398
11399 Some(self.perform_format(
11400 project,
11401 FormatTrigger::Manual,
11402 FormatTarget::Ranges(ranges),
11403 window,
11404 cx,
11405 ))
11406 }
11407
11408 fn perform_format(
11409 &mut self,
11410 project: Entity<Project>,
11411 trigger: FormatTrigger,
11412 target: FormatTarget,
11413 window: &mut Window,
11414 cx: &mut Context<Self>,
11415 ) -> Task<Result<()>> {
11416 let buffer = self.buffer.clone();
11417 let (buffers, target) = match target {
11418 FormatTarget::Buffers => {
11419 let mut buffers = buffer.read(cx).all_buffers();
11420 if trigger == FormatTrigger::Save {
11421 buffers.retain(|buffer| buffer.read(cx).is_dirty());
11422 }
11423 (buffers, LspFormatTarget::Buffers)
11424 }
11425 FormatTarget::Ranges(selection_ranges) => {
11426 let multi_buffer = buffer.read(cx);
11427 let snapshot = multi_buffer.read(cx);
11428 let mut buffers = HashSet::default();
11429 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
11430 BTreeMap::new();
11431 for selection_range in selection_ranges {
11432 for (buffer, buffer_range, _) in
11433 snapshot.range_to_buffer_ranges(selection_range)
11434 {
11435 let buffer_id = buffer.remote_id();
11436 let start = buffer.anchor_before(buffer_range.start);
11437 let end = buffer.anchor_after(buffer_range.end);
11438 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
11439 buffer_id_to_ranges
11440 .entry(buffer_id)
11441 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
11442 .or_insert_with(|| vec![start..end]);
11443 }
11444 }
11445 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
11446 }
11447 };
11448
11449 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
11450 let format = project.update(cx, |project, cx| {
11451 project.format(buffers, target, true, trigger, cx)
11452 });
11453
11454 cx.spawn_in(window, |_, mut cx| async move {
11455 let transaction = futures::select_biased! {
11456 () = timeout => {
11457 log::warn!("timed out waiting for formatting");
11458 None
11459 }
11460 transaction = format.log_err().fuse() => transaction,
11461 };
11462
11463 buffer
11464 .update(&mut cx, |buffer, cx| {
11465 if let Some(transaction) = transaction {
11466 if !buffer.is_singleton() {
11467 buffer.push_transaction(&transaction.0, cx);
11468 }
11469 }
11470
11471 cx.notify();
11472 })
11473 .ok();
11474
11475 Ok(())
11476 })
11477 }
11478
11479 fn restart_language_server(
11480 &mut self,
11481 _: &RestartLanguageServer,
11482 _: &mut Window,
11483 cx: &mut Context<Self>,
11484 ) {
11485 if let Some(project) = self.project.clone() {
11486 self.buffer.update(cx, |multi_buffer, cx| {
11487 project.update(cx, |project, cx| {
11488 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11489 });
11490 })
11491 }
11492 }
11493
11494 fn cancel_language_server_work(
11495 workspace: &mut Workspace,
11496 _: &actions::CancelLanguageServerWork,
11497 _: &mut Window,
11498 cx: &mut Context<Workspace>,
11499 ) {
11500 let project = workspace.project();
11501 let buffers = workspace
11502 .active_item(cx)
11503 .and_then(|item| item.act_as::<Editor>(cx))
11504 .map_or(HashSet::default(), |editor| {
11505 editor.read(cx).buffer.read(cx).all_buffers()
11506 });
11507 project.update(cx, |project, cx| {
11508 project.cancel_language_server_work_for_buffers(buffers, cx);
11509 });
11510 }
11511
11512 fn show_character_palette(
11513 &mut self,
11514 _: &ShowCharacterPalette,
11515 window: &mut Window,
11516 _: &mut Context<Self>,
11517 ) {
11518 window.show_character_palette();
11519 }
11520
11521 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11522 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11523 let buffer = self.buffer.read(cx).snapshot(cx);
11524 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11525 let primary_range_end = active_diagnostics.primary_range.end.to_offset(&buffer);
11526 let is_valid = buffer
11527 .diagnostics_in_range::<usize>(primary_range_start..primary_range_end)
11528 .any(|entry| {
11529 entry.diagnostic.is_primary
11530 && !entry.range.is_empty()
11531 && entry.range.start == primary_range_start
11532 && entry.diagnostic.message == active_diagnostics.primary_message
11533 });
11534
11535 if is_valid != active_diagnostics.is_valid {
11536 active_diagnostics.is_valid = is_valid;
11537 let mut new_styles = HashMap::default();
11538 for (block_id, diagnostic) in &active_diagnostics.blocks {
11539 new_styles.insert(
11540 *block_id,
11541 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11542 );
11543 }
11544 self.display_map.update(cx, |display_map, _cx| {
11545 display_map.replace_blocks(new_styles)
11546 });
11547 }
11548 }
11549 }
11550
11551 fn activate_diagnostics(
11552 &mut self,
11553 buffer_id: BufferId,
11554 group_id: usize,
11555 window: &mut Window,
11556 cx: &mut Context<Self>,
11557 ) {
11558 self.dismiss_diagnostics(cx);
11559 let snapshot = self.snapshot(window, cx);
11560 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11561 let buffer = self.buffer.read(cx).snapshot(cx);
11562
11563 let mut primary_range = None;
11564 let mut primary_message = None;
11565 let diagnostic_group = buffer
11566 .diagnostic_group(buffer_id, group_id)
11567 .filter_map(|entry| {
11568 let start = entry.range.start;
11569 let end = entry.range.end;
11570 if snapshot.is_line_folded(MultiBufferRow(start.row))
11571 && (start.row == end.row
11572 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11573 {
11574 return None;
11575 }
11576 if entry.diagnostic.is_primary {
11577 primary_range = Some(entry.range.clone());
11578 primary_message = Some(entry.diagnostic.message.clone());
11579 }
11580 Some(entry)
11581 })
11582 .collect::<Vec<_>>();
11583 let primary_range = primary_range?;
11584 let primary_message = primary_message?;
11585
11586 let blocks = display_map
11587 .insert_blocks(
11588 diagnostic_group.iter().map(|entry| {
11589 let diagnostic = entry.diagnostic.clone();
11590 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11591 BlockProperties {
11592 style: BlockStyle::Fixed,
11593 placement: BlockPlacement::Below(
11594 buffer.anchor_after(entry.range.start),
11595 ),
11596 height: message_height,
11597 render: diagnostic_block_renderer(diagnostic, None, true, true),
11598 priority: 0,
11599 }
11600 }),
11601 cx,
11602 )
11603 .into_iter()
11604 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11605 .collect();
11606
11607 Some(ActiveDiagnosticGroup {
11608 primary_range: buffer.anchor_before(primary_range.start)
11609 ..buffer.anchor_after(primary_range.end),
11610 primary_message,
11611 group_id,
11612 blocks,
11613 is_valid: true,
11614 })
11615 });
11616 }
11617
11618 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11619 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11620 self.display_map.update(cx, |display_map, cx| {
11621 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11622 });
11623 cx.notify();
11624 }
11625 }
11626
11627 pub fn set_selections_from_remote(
11628 &mut self,
11629 selections: Vec<Selection<Anchor>>,
11630 pending_selection: Option<Selection<Anchor>>,
11631 window: &mut Window,
11632 cx: &mut Context<Self>,
11633 ) {
11634 let old_cursor_position = self.selections.newest_anchor().head();
11635 self.selections.change_with(cx, |s| {
11636 s.select_anchors(selections);
11637 if let Some(pending_selection) = pending_selection {
11638 s.set_pending(pending_selection, SelectMode::Character);
11639 } else {
11640 s.clear_pending();
11641 }
11642 });
11643 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11644 }
11645
11646 fn push_to_selection_history(&mut self) {
11647 self.selection_history.push(SelectionHistoryEntry {
11648 selections: self.selections.disjoint_anchors(),
11649 select_next_state: self.select_next_state.clone(),
11650 select_prev_state: self.select_prev_state.clone(),
11651 add_selections_state: self.add_selections_state.clone(),
11652 });
11653 }
11654
11655 pub fn transact(
11656 &mut self,
11657 window: &mut Window,
11658 cx: &mut Context<Self>,
11659 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11660 ) -> Option<TransactionId> {
11661 self.start_transaction_at(Instant::now(), window, cx);
11662 update(self, window, cx);
11663 self.end_transaction_at(Instant::now(), cx)
11664 }
11665
11666 pub fn start_transaction_at(
11667 &mut self,
11668 now: Instant,
11669 window: &mut Window,
11670 cx: &mut Context<Self>,
11671 ) {
11672 self.end_selection(window, cx);
11673 if let Some(tx_id) = self
11674 .buffer
11675 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11676 {
11677 self.selection_history
11678 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11679 cx.emit(EditorEvent::TransactionBegun {
11680 transaction_id: tx_id,
11681 })
11682 }
11683 }
11684
11685 pub fn end_transaction_at(
11686 &mut self,
11687 now: Instant,
11688 cx: &mut Context<Self>,
11689 ) -> Option<TransactionId> {
11690 if let Some(transaction_id) = self
11691 .buffer
11692 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11693 {
11694 if let Some((_, end_selections)) =
11695 self.selection_history.transaction_mut(transaction_id)
11696 {
11697 *end_selections = Some(self.selections.disjoint_anchors());
11698 } else {
11699 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11700 }
11701
11702 cx.emit(EditorEvent::Edited { transaction_id });
11703 Some(transaction_id)
11704 } else {
11705 None
11706 }
11707 }
11708
11709 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11710 if self.selection_mark_mode {
11711 self.change_selections(None, window, cx, |s| {
11712 s.move_with(|_, sel| {
11713 sel.collapse_to(sel.head(), SelectionGoal::None);
11714 });
11715 })
11716 }
11717 self.selection_mark_mode = true;
11718 cx.notify();
11719 }
11720
11721 pub fn swap_selection_ends(
11722 &mut self,
11723 _: &actions::SwapSelectionEnds,
11724 window: &mut Window,
11725 cx: &mut Context<Self>,
11726 ) {
11727 self.change_selections(None, window, cx, |s| {
11728 s.move_with(|_, sel| {
11729 if sel.start != sel.end {
11730 sel.reversed = !sel.reversed
11731 }
11732 });
11733 });
11734 self.request_autoscroll(Autoscroll::newest(), cx);
11735 cx.notify();
11736 }
11737
11738 pub fn toggle_fold(
11739 &mut self,
11740 _: &actions::ToggleFold,
11741 window: &mut Window,
11742 cx: &mut Context<Self>,
11743 ) {
11744 if self.is_singleton(cx) {
11745 let selection = self.selections.newest::<Point>(cx);
11746
11747 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11748 let range = if selection.is_empty() {
11749 let point = selection.head().to_display_point(&display_map);
11750 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11751 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11752 .to_point(&display_map);
11753 start..end
11754 } else {
11755 selection.range()
11756 };
11757 if display_map.folds_in_range(range).next().is_some() {
11758 self.unfold_lines(&Default::default(), window, cx)
11759 } else {
11760 self.fold(&Default::default(), window, cx)
11761 }
11762 } else {
11763 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11764 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11765 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11766 .map(|(snapshot, _, _)| snapshot.remote_id())
11767 .collect();
11768
11769 for buffer_id in buffer_ids {
11770 if self.is_buffer_folded(buffer_id, cx) {
11771 self.unfold_buffer(buffer_id, cx);
11772 } else {
11773 self.fold_buffer(buffer_id, cx);
11774 }
11775 }
11776 }
11777 }
11778
11779 pub fn toggle_fold_recursive(
11780 &mut self,
11781 _: &actions::ToggleFoldRecursive,
11782 window: &mut Window,
11783 cx: &mut Context<Self>,
11784 ) {
11785 let selection = self.selections.newest::<Point>(cx);
11786
11787 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11788 let range = if selection.is_empty() {
11789 let point = selection.head().to_display_point(&display_map);
11790 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11791 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11792 .to_point(&display_map);
11793 start..end
11794 } else {
11795 selection.range()
11796 };
11797 if display_map.folds_in_range(range).next().is_some() {
11798 self.unfold_recursive(&Default::default(), window, cx)
11799 } else {
11800 self.fold_recursive(&Default::default(), window, cx)
11801 }
11802 }
11803
11804 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11805 if self.is_singleton(cx) {
11806 let mut to_fold = Vec::new();
11807 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11808 let selections = self.selections.all_adjusted(cx);
11809
11810 for selection in selections {
11811 let range = selection.range().sorted();
11812 let buffer_start_row = range.start.row;
11813
11814 if range.start.row != range.end.row {
11815 let mut found = false;
11816 let mut row = range.start.row;
11817 while row <= range.end.row {
11818 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11819 {
11820 found = true;
11821 row = crease.range().end.row + 1;
11822 to_fold.push(crease);
11823 } else {
11824 row += 1
11825 }
11826 }
11827 if found {
11828 continue;
11829 }
11830 }
11831
11832 for row in (0..=range.start.row).rev() {
11833 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11834 if crease.range().end.row >= buffer_start_row {
11835 to_fold.push(crease);
11836 if row <= range.start.row {
11837 break;
11838 }
11839 }
11840 }
11841 }
11842 }
11843
11844 self.fold_creases(to_fold, true, window, cx);
11845 } else {
11846 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11847
11848 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11849 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11850 .map(|(snapshot, _, _)| snapshot.remote_id())
11851 .collect();
11852 for buffer_id in buffer_ids {
11853 self.fold_buffer(buffer_id, cx);
11854 }
11855 }
11856 }
11857
11858 fn fold_at_level(
11859 &mut self,
11860 fold_at: &FoldAtLevel,
11861 window: &mut Window,
11862 cx: &mut Context<Self>,
11863 ) {
11864 if !self.buffer.read(cx).is_singleton() {
11865 return;
11866 }
11867
11868 let fold_at_level = fold_at.0;
11869 let snapshot = self.buffer.read(cx).snapshot(cx);
11870 let mut to_fold = Vec::new();
11871 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11872
11873 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11874 while start_row < end_row {
11875 match self
11876 .snapshot(window, cx)
11877 .crease_for_buffer_row(MultiBufferRow(start_row))
11878 {
11879 Some(crease) => {
11880 let nested_start_row = crease.range().start.row + 1;
11881 let nested_end_row = crease.range().end.row;
11882
11883 if current_level < fold_at_level {
11884 stack.push((nested_start_row, nested_end_row, current_level + 1));
11885 } else if current_level == fold_at_level {
11886 to_fold.push(crease);
11887 }
11888
11889 start_row = nested_end_row + 1;
11890 }
11891 None => start_row += 1,
11892 }
11893 }
11894 }
11895
11896 self.fold_creases(to_fold, true, window, cx);
11897 }
11898
11899 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
11900 if self.buffer.read(cx).is_singleton() {
11901 let mut fold_ranges = Vec::new();
11902 let snapshot = self.buffer.read(cx).snapshot(cx);
11903
11904 for row in 0..snapshot.max_row().0 {
11905 if let Some(foldable_range) = self
11906 .snapshot(window, cx)
11907 .crease_for_buffer_row(MultiBufferRow(row))
11908 {
11909 fold_ranges.push(foldable_range);
11910 }
11911 }
11912
11913 self.fold_creases(fold_ranges, true, window, cx);
11914 } else {
11915 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
11916 editor
11917 .update_in(&mut cx, |editor, _, cx| {
11918 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11919 editor.fold_buffer(buffer_id, cx);
11920 }
11921 })
11922 .ok();
11923 });
11924 }
11925 }
11926
11927 pub fn fold_function_bodies(
11928 &mut self,
11929 _: &actions::FoldFunctionBodies,
11930 window: &mut Window,
11931 cx: &mut Context<Self>,
11932 ) {
11933 let snapshot = self.buffer.read(cx).snapshot(cx);
11934
11935 let ranges = snapshot
11936 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
11937 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
11938 .collect::<Vec<_>>();
11939
11940 let creases = ranges
11941 .into_iter()
11942 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
11943 .collect();
11944
11945 self.fold_creases(creases, true, window, cx);
11946 }
11947
11948 pub fn fold_recursive(
11949 &mut self,
11950 _: &actions::FoldRecursive,
11951 window: &mut Window,
11952 cx: &mut Context<Self>,
11953 ) {
11954 let mut to_fold = Vec::new();
11955 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11956 let selections = self.selections.all_adjusted(cx);
11957
11958 for selection in selections {
11959 let range = selection.range().sorted();
11960 let buffer_start_row = range.start.row;
11961
11962 if range.start.row != range.end.row {
11963 let mut found = false;
11964 for row in range.start.row..=range.end.row {
11965 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11966 found = true;
11967 to_fold.push(crease);
11968 }
11969 }
11970 if found {
11971 continue;
11972 }
11973 }
11974
11975 for row in (0..=range.start.row).rev() {
11976 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11977 if crease.range().end.row >= buffer_start_row {
11978 to_fold.push(crease);
11979 } else {
11980 break;
11981 }
11982 }
11983 }
11984 }
11985
11986 self.fold_creases(to_fold, true, window, cx);
11987 }
11988
11989 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
11990 let buffer_row = fold_at.buffer_row;
11991 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11992
11993 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
11994 let autoscroll = self
11995 .selections
11996 .all::<Point>(cx)
11997 .iter()
11998 .any(|selection| crease.range().overlaps(&selection.range()));
11999
12000 self.fold_creases(vec![crease], autoscroll, window, cx);
12001 }
12002 }
12003
12004 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
12005 if self.is_singleton(cx) {
12006 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12007 let buffer = &display_map.buffer_snapshot;
12008 let selections = self.selections.all::<Point>(cx);
12009 let ranges = selections
12010 .iter()
12011 .map(|s| {
12012 let range = s.display_range(&display_map).sorted();
12013 let mut start = range.start.to_point(&display_map);
12014 let mut end = range.end.to_point(&display_map);
12015 start.column = 0;
12016 end.column = buffer.line_len(MultiBufferRow(end.row));
12017 start..end
12018 })
12019 .collect::<Vec<_>>();
12020
12021 self.unfold_ranges(&ranges, true, true, cx);
12022 } else {
12023 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12024 let buffer_ids: HashSet<_> = multi_buffer_snapshot
12025 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
12026 .map(|(snapshot, _, _)| snapshot.remote_id())
12027 .collect();
12028 for buffer_id in buffer_ids {
12029 self.unfold_buffer(buffer_id, cx);
12030 }
12031 }
12032 }
12033
12034 pub fn unfold_recursive(
12035 &mut self,
12036 _: &UnfoldRecursive,
12037 _window: &mut Window,
12038 cx: &mut Context<Self>,
12039 ) {
12040 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12041 let selections = self.selections.all::<Point>(cx);
12042 let ranges = selections
12043 .iter()
12044 .map(|s| {
12045 let mut range = s.display_range(&display_map).sorted();
12046 *range.start.column_mut() = 0;
12047 *range.end.column_mut() = display_map.line_len(range.end.row());
12048 let start = range.start.to_point(&display_map);
12049 let end = range.end.to_point(&display_map);
12050 start..end
12051 })
12052 .collect::<Vec<_>>();
12053
12054 self.unfold_ranges(&ranges, true, true, cx);
12055 }
12056
12057 pub fn unfold_at(
12058 &mut self,
12059 unfold_at: &UnfoldAt,
12060 _window: &mut Window,
12061 cx: &mut Context<Self>,
12062 ) {
12063 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12064
12065 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
12066 ..Point::new(
12067 unfold_at.buffer_row.0,
12068 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
12069 );
12070
12071 let autoscroll = self
12072 .selections
12073 .all::<Point>(cx)
12074 .iter()
12075 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
12076
12077 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
12078 }
12079
12080 pub fn unfold_all(
12081 &mut self,
12082 _: &actions::UnfoldAll,
12083 _window: &mut Window,
12084 cx: &mut Context<Self>,
12085 ) {
12086 if self.buffer.read(cx).is_singleton() {
12087 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12088 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
12089 } else {
12090 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
12091 editor
12092 .update(&mut cx, |editor, cx| {
12093 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
12094 editor.unfold_buffer(buffer_id, cx);
12095 }
12096 })
12097 .ok();
12098 });
12099 }
12100 }
12101
12102 pub fn fold_selected_ranges(
12103 &mut self,
12104 _: &FoldSelectedRanges,
12105 window: &mut Window,
12106 cx: &mut Context<Self>,
12107 ) {
12108 let selections = self.selections.all::<Point>(cx);
12109 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12110 let line_mode = self.selections.line_mode;
12111 let ranges = selections
12112 .into_iter()
12113 .map(|s| {
12114 if line_mode {
12115 let start = Point::new(s.start.row, 0);
12116 let end = Point::new(
12117 s.end.row,
12118 display_map
12119 .buffer_snapshot
12120 .line_len(MultiBufferRow(s.end.row)),
12121 );
12122 Crease::simple(start..end, display_map.fold_placeholder.clone())
12123 } else {
12124 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
12125 }
12126 })
12127 .collect::<Vec<_>>();
12128 self.fold_creases(ranges, true, window, cx);
12129 }
12130
12131 pub fn fold_ranges<T: ToOffset + Clone>(
12132 &mut self,
12133 ranges: Vec<Range<T>>,
12134 auto_scroll: bool,
12135 window: &mut Window,
12136 cx: &mut Context<Self>,
12137 ) {
12138 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
12139 let ranges = ranges
12140 .into_iter()
12141 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
12142 .collect::<Vec<_>>();
12143 self.fold_creases(ranges, auto_scroll, window, cx);
12144 }
12145
12146 pub fn fold_creases<T: ToOffset + Clone>(
12147 &mut self,
12148 creases: Vec<Crease<T>>,
12149 auto_scroll: bool,
12150 window: &mut Window,
12151 cx: &mut Context<Self>,
12152 ) {
12153 if creases.is_empty() {
12154 return;
12155 }
12156
12157 let mut buffers_affected = HashSet::default();
12158 let multi_buffer = self.buffer().read(cx);
12159 for crease in &creases {
12160 if let Some((_, buffer, _)) =
12161 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
12162 {
12163 buffers_affected.insert(buffer.read(cx).remote_id());
12164 };
12165 }
12166
12167 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
12168
12169 if auto_scroll {
12170 self.request_autoscroll(Autoscroll::fit(), cx);
12171 }
12172
12173 cx.notify();
12174
12175 if let Some(active_diagnostics) = self.active_diagnostics.take() {
12176 // Clear diagnostics block when folding a range that contains it.
12177 let snapshot = self.snapshot(window, cx);
12178 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
12179 drop(snapshot);
12180 self.active_diagnostics = Some(active_diagnostics);
12181 self.dismiss_diagnostics(cx);
12182 } else {
12183 self.active_diagnostics = Some(active_diagnostics);
12184 }
12185 }
12186
12187 self.scrollbar_marker_state.dirty = true;
12188 }
12189
12190 /// Removes any folds whose ranges intersect any of the given ranges.
12191 pub fn unfold_ranges<T: ToOffset + Clone>(
12192 &mut self,
12193 ranges: &[Range<T>],
12194 inclusive: bool,
12195 auto_scroll: bool,
12196 cx: &mut Context<Self>,
12197 ) {
12198 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12199 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
12200 });
12201 }
12202
12203 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12204 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
12205 return;
12206 }
12207 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12208 self.display_map
12209 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
12210 cx.emit(EditorEvent::BufferFoldToggled {
12211 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
12212 folded: true,
12213 });
12214 cx.notify();
12215 }
12216
12217 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
12218 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
12219 return;
12220 }
12221 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(buffer_id, cx);
12222 self.display_map.update(cx, |display_map, cx| {
12223 display_map.unfold_buffer(buffer_id, cx);
12224 });
12225 cx.emit(EditorEvent::BufferFoldToggled {
12226 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
12227 folded: false,
12228 });
12229 cx.notify();
12230 }
12231
12232 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
12233 self.display_map.read(cx).is_buffer_folded(buffer)
12234 }
12235
12236 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
12237 self.display_map.read(cx).folded_buffers()
12238 }
12239
12240 /// Removes any folds with the given ranges.
12241 pub fn remove_folds_with_type<T: ToOffset + Clone>(
12242 &mut self,
12243 ranges: &[Range<T>],
12244 type_id: TypeId,
12245 auto_scroll: bool,
12246 cx: &mut Context<Self>,
12247 ) {
12248 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
12249 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
12250 });
12251 }
12252
12253 fn remove_folds_with<T: ToOffset + Clone>(
12254 &mut self,
12255 ranges: &[Range<T>],
12256 auto_scroll: bool,
12257 cx: &mut Context<Self>,
12258 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
12259 ) {
12260 if ranges.is_empty() {
12261 return;
12262 }
12263
12264 let mut buffers_affected = HashSet::default();
12265 let multi_buffer = self.buffer().read(cx);
12266 for range in ranges {
12267 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
12268 buffers_affected.insert(buffer.read(cx).remote_id());
12269 };
12270 }
12271
12272 self.display_map.update(cx, update);
12273
12274 if auto_scroll {
12275 self.request_autoscroll(Autoscroll::fit(), cx);
12276 }
12277
12278 cx.notify();
12279 self.scrollbar_marker_state.dirty = true;
12280 self.active_indent_guides_state.dirty = true;
12281 }
12282
12283 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
12284 self.display_map.read(cx).fold_placeholder.clone()
12285 }
12286
12287 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
12288 self.buffer.update(cx, |buffer, cx| {
12289 buffer.set_all_diff_hunks_expanded(cx);
12290 });
12291 }
12292
12293 pub fn expand_all_diff_hunks(
12294 &mut self,
12295 _: &ExpandAllHunkDiffs,
12296 _window: &mut Window,
12297 cx: &mut Context<Self>,
12298 ) {
12299 self.buffer.update(cx, |buffer, cx| {
12300 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
12301 });
12302 }
12303
12304 pub fn toggle_selected_diff_hunks(
12305 &mut self,
12306 _: &ToggleSelectedDiffHunks,
12307 _window: &mut Window,
12308 cx: &mut Context<Self>,
12309 ) {
12310 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12311 self.toggle_diff_hunks_in_ranges(ranges, cx);
12312 }
12313
12314 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
12315 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
12316 self.buffer
12317 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
12318 }
12319
12320 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
12321 self.buffer.update(cx, |buffer, cx| {
12322 let ranges = vec![Anchor::min()..Anchor::max()];
12323 if !buffer.all_diff_hunks_expanded()
12324 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
12325 {
12326 buffer.collapse_diff_hunks(ranges, cx);
12327 true
12328 } else {
12329 false
12330 }
12331 })
12332 }
12333
12334 fn toggle_diff_hunks_in_ranges(
12335 &mut self,
12336 ranges: Vec<Range<Anchor>>,
12337 cx: &mut Context<'_, Editor>,
12338 ) {
12339 self.buffer.update(cx, |buffer, cx| {
12340 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12341 buffer.expand_or_collapse_diff_hunks(ranges, expand, cx);
12342 })
12343 }
12344
12345 fn toggle_diff_hunks_in_ranges_narrow(
12346 &mut self,
12347 ranges: Vec<Range<Anchor>>,
12348 cx: &mut Context<'_, Editor>,
12349 ) {
12350 self.buffer.update(cx, |buffer, cx| {
12351 let expand = !buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx);
12352 buffer.expand_or_collapse_diff_hunks_narrow(ranges, expand, cx);
12353 })
12354 }
12355
12356 pub(crate) fn apply_all_diff_hunks(
12357 &mut self,
12358 _: &ApplyAllDiffHunks,
12359 window: &mut Window,
12360 cx: &mut Context<Self>,
12361 ) {
12362 let buffers = self.buffer.read(cx).all_buffers();
12363 for branch_buffer in buffers {
12364 branch_buffer.update(cx, |branch_buffer, cx| {
12365 branch_buffer.merge_into_base(Vec::new(), cx);
12366 });
12367 }
12368
12369 if let Some(project) = self.project.clone() {
12370 self.save(true, project, window, cx).detach_and_log_err(cx);
12371 }
12372 }
12373
12374 pub(crate) fn apply_selected_diff_hunks(
12375 &mut self,
12376 _: &ApplyDiffHunk,
12377 window: &mut Window,
12378 cx: &mut Context<Self>,
12379 ) {
12380 let snapshot = self.snapshot(window, cx);
12381 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
12382 let mut ranges_by_buffer = HashMap::default();
12383 self.transact(window, cx, |editor, _window, cx| {
12384 for hunk in hunks {
12385 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
12386 ranges_by_buffer
12387 .entry(buffer.clone())
12388 .or_insert_with(Vec::new)
12389 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
12390 }
12391 }
12392
12393 for (buffer, ranges) in ranges_by_buffer {
12394 buffer.update(cx, |buffer, cx| {
12395 buffer.merge_into_base(ranges, cx);
12396 });
12397 }
12398 });
12399
12400 if let Some(project) = self.project.clone() {
12401 self.save(true, project, window, cx).detach_and_log_err(cx);
12402 }
12403 }
12404
12405 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
12406 if hovered != self.gutter_hovered {
12407 self.gutter_hovered = hovered;
12408 cx.notify();
12409 }
12410 }
12411
12412 pub fn insert_blocks(
12413 &mut self,
12414 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
12415 autoscroll: Option<Autoscroll>,
12416 cx: &mut Context<Self>,
12417 ) -> Vec<CustomBlockId> {
12418 let blocks = self
12419 .display_map
12420 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
12421 if let Some(autoscroll) = autoscroll {
12422 self.request_autoscroll(autoscroll, cx);
12423 }
12424 cx.notify();
12425 blocks
12426 }
12427
12428 pub fn resize_blocks(
12429 &mut self,
12430 heights: HashMap<CustomBlockId, u32>,
12431 autoscroll: Option<Autoscroll>,
12432 cx: &mut Context<Self>,
12433 ) {
12434 self.display_map
12435 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
12436 if let Some(autoscroll) = autoscroll {
12437 self.request_autoscroll(autoscroll, cx);
12438 }
12439 cx.notify();
12440 }
12441
12442 pub fn replace_blocks(
12443 &mut self,
12444 renderers: HashMap<CustomBlockId, RenderBlock>,
12445 autoscroll: Option<Autoscroll>,
12446 cx: &mut Context<Self>,
12447 ) {
12448 self.display_map
12449 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
12450 if let Some(autoscroll) = autoscroll {
12451 self.request_autoscroll(autoscroll, cx);
12452 }
12453 cx.notify();
12454 }
12455
12456 pub fn remove_blocks(
12457 &mut self,
12458 block_ids: HashSet<CustomBlockId>,
12459 autoscroll: Option<Autoscroll>,
12460 cx: &mut Context<Self>,
12461 ) {
12462 self.display_map.update(cx, |display_map, cx| {
12463 display_map.remove_blocks(block_ids, cx)
12464 });
12465 if let Some(autoscroll) = autoscroll {
12466 self.request_autoscroll(autoscroll, cx);
12467 }
12468 cx.notify();
12469 }
12470
12471 pub fn row_for_block(
12472 &self,
12473 block_id: CustomBlockId,
12474 cx: &mut Context<Self>,
12475 ) -> Option<DisplayRow> {
12476 self.display_map
12477 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12478 }
12479
12480 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12481 self.focused_block = Some(focused_block);
12482 }
12483
12484 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12485 self.focused_block.take()
12486 }
12487
12488 pub fn insert_creases(
12489 &mut self,
12490 creases: impl IntoIterator<Item = Crease<Anchor>>,
12491 cx: &mut Context<Self>,
12492 ) -> Vec<CreaseId> {
12493 self.display_map
12494 .update(cx, |map, cx| map.insert_creases(creases, cx))
12495 }
12496
12497 pub fn remove_creases(
12498 &mut self,
12499 ids: impl IntoIterator<Item = CreaseId>,
12500 cx: &mut Context<Self>,
12501 ) {
12502 self.display_map
12503 .update(cx, |map, cx| map.remove_creases(ids, cx));
12504 }
12505
12506 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12507 self.display_map
12508 .update(cx, |map, cx| map.snapshot(cx))
12509 .longest_row()
12510 }
12511
12512 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12513 self.display_map
12514 .update(cx, |map, cx| map.snapshot(cx))
12515 .max_point()
12516 }
12517
12518 pub fn text(&self, cx: &App) -> String {
12519 self.buffer.read(cx).read(cx).text()
12520 }
12521
12522 pub fn is_empty(&self, cx: &App) -> bool {
12523 self.buffer.read(cx).read(cx).is_empty()
12524 }
12525
12526 pub fn text_option(&self, cx: &App) -> Option<String> {
12527 let text = self.text(cx);
12528 let text = text.trim();
12529
12530 if text.is_empty() {
12531 return None;
12532 }
12533
12534 Some(text.to_string())
12535 }
12536
12537 pub fn set_text(
12538 &mut self,
12539 text: impl Into<Arc<str>>,
12540 window: &mut Window,
12541 cx: &mut Context<Self>,
12542 ) {
12543 self.transact(window, cx, |this, _, cx| {
12544 this.buffer
12545 .read(cx)
12546 .as_singleton()
12547 .expect("you can only call set_text on editors for singleton buffers")
12548 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12549 });
12550 }
12551
12552 pub fn display_text(&self, cx: &mut App) -> String {
12553 self.display_map
12554 .update(cx, |map, cx| map.snapshot(cx))
12555 .text()
12556 }
12557
12558 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12559 let mut wrap_guides = smallvec::smallvec![];
12560
12561 if self.show_wrap_guides == Some(false) {
12562 return wrap_guides;
12563 }
12564
12565 let settings = self.buffer.read(cx).settings_at(0, cx);
12566 if settings.show_wrap_guides {
12567 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12568 wrap_guides.push((soft_wrap as usize, true));
12569 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12570 wrap_guides.push((soft_wrap as usize, true));
12571 }
12572 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12573 }
12574
12575 wrap_guides
12576 }
12577
12578 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12579 let settings = self.buffer.read(cx).settings_at(0, cx);
12580 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12581 match mode {
12582 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12583 SoftWrap::None
12584 }
12585 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12586 language_settings::SoftWrap::PreferredLineLength => {
12587 SoftWrap::Column(settings.preferred_line_length)
12588 }
12589 language_settings::SoftWrap::Bounded => {
12590 SoftWrap::Bounded(settings.preferred_line_length)
12591 }
12592 }
12593 }
12594
12595 pub fn set_soft_wrap_mode(
12596 &mut self,
12597 mode: language_settings::SoftWrap,
12598
12599 cx: &mut Context<Self>,
12600 ) {
12601 self.soft_wrap_mode_override = Some(mode);
12602 cx.notify();
12603 }
12604
12605 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12606 self.text_style_refinement = Some(style);
12607 }
12608
12609 /// called by the Element so we know what style we were most recently rendered with.
12610 pub(crate) fn set_style(
12611 &mut self,
12612 style: EditorStyle,
12613 window: &mut Window,
12614 cx: &mut Context<Self>,
12615 ) {
12616 let rem_size = window.rem_size();
12617 self.display_map.update(cx, |map, cx| {
12618 map.set_font(
12619 style.text.font(),
12620 style.text.font_size.to_pixels(rem_size),
12621 cx,
12622 )
12623 });
12624 self.style = Some(style);
12625 }
12626
12627 pub fn style(&self) -> Option<&EditorStyle> {
12628 self.style.as_ref()
12629 }
12630
12631 // Called by the element. This method is not designed to be called outside of the editor
12632 // element's layout code because it does not notify when rewrapping is computed synchronously.
12633 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12634 self.display_map
12635 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12636 }
12637
12638 pub fn set_soft_wrap(&mut self) {
12639 self.soft_wrap_mode_override = Some(language_settings::SoftWrap::EditorWidth)
12640 }
12641
12642 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12643 if self.soft_wrap_mode_override.is_some() {
12644 self.soft_wrap_mode_override.take();
12645 } else {
12646 let soft_wrap = match self.soft_wrap_mode(cx) {
12647 SoftWrap::GitDiff => return,
12648 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12649 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12650 language_settings::SoftWrap::None
12651 }
12652 };
12653 self.soft_wrap_mode_override = Some(soft_wrap);
12654 }
12655 cx.notify();
12656 }
12657
12658 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12659 let Some(workspace) = self.workspace() else {
12660 return;
12661 };
12662 let fs = workspace.read(cx).app_state().fs.clone();
12663 let current_show = TabBarSettings::get_global(cx).show;
12664 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12665 setting.show = Some(!current_show);
12666 });
12667 }
12668
12669 pub fn toggle_indent_guides(
12670 &mut self,
12671 _: &ToggleIndentGuides,
12672 _: &mut Window,
12673 cx: &mut Context<Self>,
12674 ) {
12675 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12676 self.buffer
12677 .read(cx)
12678 .settings_at(0, cx)
12679 .indent_guides
12680 .enabled
12681 });
12682 self.show_indent_guides = Some(!currently_enabled);
12683 cx.notify();
12684 }
12685
12686 fn should_show_indent_guides(&self) -> Option<bool> {
12687 self.show_indent_guides
12688 }
12689
12690 pub fn toggle_line_numbers(
12691 &mut self,
12692 _: &ToggleLineNumbers,
12693 _: &mut Window,
12694 cx: &mut Context<Self>,
12695 ) {
12696 let mut editor_settings = EditorSettings::get_global(cx).clone();
12697 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12698 EditorSettings::override_global(editor_settings, cx);
12699 }
12700
12701 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12702 self.use_relative_line_numbers
12703 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12704 }
12705
12706 pub fn toggle_relative_line_numbers(
12707 &mut self,
12708 _: &ToggleRelativeLineNumbers,
12709 _: &mut Window,
12710 cx: &mut Context<Self>,
12711 ) {
12712 let is_relative = self.should_use_relative_line_numbers(cx);
12713 self.set_relative_line_number(Some(!is_relative), cx)
12714 }
12715
12716 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12717 self.use_relative_line_numbers = is_relative;
12718 cx.notify();
12719 }
12720
12721 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12722 self.show_gutter = show_gutter;
12723 cx.notify();
12724 }
12725
12726 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12727 self.show_scrollbars = show_scrollbars;
12728 cx.notify();
12729 }
12730
12731 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12732 self.show_line_numbers = Some(show_line_numbers);
12733 cx.notify();
12734 }
12735
12736 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12737 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12738 cx.notify();
12739 }
12740
12741 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12742 self.show_code_actions = Some(show_code_actions);
12743 cx.notify();
12744 }
12745
12746 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12747 self.show_runnables = Some(show_runnables);
12748 cx.notify();
12749 }
12750
12751 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12752 if self.display_map.read(cx).masked != masked {
12753 self.display_map.update(cx, |map, _| map.masked = masked);
12754 }
12755 cx.notify()
12756 }
12757
12758 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12759 self.show_wrap_guides = Some(show_wrap_guides);
12760 cx.notify();
12761 }
12762
12763 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12764 self.show_indent_guides = Some(show_indent_guides);
12765 cx.notify();
12766 }
12767
12768 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12769 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12770 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12771 if let Some(dir) = file.abs_path(cx).parent() {
12772 return Some(dir.to_owned());
12773 }
12774 }
12775
12776 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12777 return Some(project_path.path.to_path_buf());
12778 }
12779 }
12780
12781 None
12782 }
12783
12784 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12785 self.active_excerpt(cx)?
12786 .1
12787 .read(cx)
12788 .file()
12789 .and_then(|f| f.as_local())
12790 }
12791
12792 fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12793 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12794 let project_path = buffer.read(cx).project_path(cx)?;
12795 let project = self.project.as_ref()?.read(cx);
12796 project.absolute_path(&project_path, cx)
12797 })
12798 }
12799
12800 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12801 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12802 let project_path = buffer.read(cx).project_path(cx)?;
12803 let project = self.project.as_ref()?.read(cx);
12804 let entry = project.entry_for_path(&project_path, cx)?;
12805 let path = entry.path.to_path_buf();
12806 Some(path)
12807 })
12808 }
12809
12810 pub fn reveal_in_finder(
12811 &mut self,
12812 _: &RevealInFileManager,
12813 _window: &mut Window,
12814 cx: &mut Context<Self>,
12815 ) {
12816 if let Some(target) = self.target_file(cx) {
12817 cx.reveal_path(&target.abs_path(cx));
12818 }
12819 }
12820
12821 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12822 if let Some(path) = self.target_file_abs_path(cx) {
12823 if let Some(path) = path.to_str() {
12824 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12825 }
12826 }
12827 }
12828
12829 pub fn copy_relative_path(
12830 &mut self,
12831 _: &CopyRelativePath,
12832 _window: &mut Window,
12833 cx: &mut Context<Self>,
12834 ) {
12835 if let Some(path) = self.target_file_path(cx) {
12836 if let Some(path) = path.to_str() {
12837 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12838 }
12839 }
12840 }
12841
12842 pub fn toggle_git_blame(
12843 &mut self,
12844 _: &ToggleGitBlame,
12845 window: &mut Window,
12846 cx: &mut Context<Self>,
12847 ) {
12848 self.show_git_blame_gutter = !self.show_git_blame_gutter;
12849
12850 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
12851 self.start_git_blame(true, window, cx);
12852 }
12853
12854 cx.notify();
12855 }
12856
12857 pub fn toggle_git_blame_inline(
12858 &mut self,
12859 _: &ToggleGitBlameInline,
12860 window: &mut Window,
12861 cx: &mut Context<Self>,
12862 ) {
12863 self.toggle_git_blame_inline_internal(true, window, cx);
12864 cx.notify();
12865 }
12866
12867 pub fn git_blame_inline_enabled(&self) -> bool {
12868 self.git_blame_inline_enabled
12869 }
12870
12871 pub fn toggle_selection_menu(
12872 &mut self,
12873 _: &ToggleSelectionMenu,
12874 _: &mut Window,
12875 cx: &mut Context<Self>,
12876 ) {
12877 self.show_selection_menu = self
12878 .show_selection_menu
12879 .map(|show_selections_menu| !show_selections_menu)
12880 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
12881
12882 cx.notify();
12883 }
12884
12885 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
12886 self.show_selection_menu
12887 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
12888 }
12889
12890 fn start_git_blame(
12891 &mut self,
12892 user_triggered: bool,
12893 window: &mut Window,
12894 cx: &mut Context<Self>,
12895 ) {
12896 if let Some(project) = self.project.as_ref() {
12897 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
12898 return;
12899 };
12900
12901 if buffer.read(cx).file().is_none() {
12902 return;
12903 }
12904
12905 let focused = self.focus_handle(cx).contains_focused(window, cx);
12906
12907 let project = project.clone();
12908 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
12909 self.blame_subscription =
12910 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
12911 self.blame = Some(blame);
12912 }
12913 }
12914
12915 fn toggle_git_blame_inline_internal(
12916 &mut self,
12917 user_triggered: bool,
12918 window: &mut Window,
12919 cx: &mut Context<Self>,
12920 ) {
12921 if self.git_blame_inline_enabled {
12922 self.git_blame_inline_enabled = false;
12923 self.show_git_blame_inline = false;
12924 self.show_git_blame_inline_delay_task.take();
12925 } else {
12926 self.git_blame_inline_enabled = true;
12927 self.start_git_blame_inline(user_triggered, window, cx);
12928 }
12929
12930 cx.notify();
12931 }
12932
12933 fn start_git_blame_inline(
12934 &mut self,
12935 user_triggered: bool,
12936 window: &mut Window,
12937 cx: &mut Context<Self>,
12938 ) {
12939 self.start_git_blame(user_triggered, window, cx);
12940
12941 if ProjectSettings::get_global(cx)
12942 .git
12943 .inline_blame_delay()
12944 .is_some()
12945 {
12946 self.start_inline_blame_timer(window, cx);
12947 } else {
12948 self.show_git_blame_inline = true
12949 }
12950 }
12951
12952 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
12953 self.blame.as_ref()
12954 }
12955
12956 pub fn show_git_blame_gutter(&self) -> bool {
12957 self.show_git_blame_gutter
12958 }
12959
12960 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
12961 self.show_git_blame_gutter && self.has_blame_entries(cx)
12962 }
12963
12964 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
12965 self.show_git_blame_inline
12966 && self.focus_handle.is_focused(window)
12967 && !self.newest_selection_head_on_empty_line(cx)
12968 && self.has_blame_entries(cx)
12969 }
12970
12971 fn has_blame_entries(&self, cx: &App) -> bool {
12972 self.blame()
12973 .map_or(false, |blame| blame.read(cx).has_generated_entries())
12974 }
12975
12976 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
12977 let cursor_anchor = self.selections.newest_anchor().head();
12978
12979 let snapshot = self.buffer.read(cx).snapshot(cx);
12980 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
12981
12982 snapshot.line_len(buffer_row) == 0
12983 }
12984
12985 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
12986 let buffer_and_selection = maybe!({
12987 let selection = self.selections.newest::<Point>(cx);
12988 let selection_range = selection.range();
12989
12990 let multi_buffer = self.buffer().read(cx);
12991 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
12992 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
12993
12994 let (buffer, range, _) = if selection.reversed {
12995 buffer_ranges.first()
12996 } else {
12997 buffer_ranges.last()
12998 }?;
12999
13000 let selection = text::ToPoint::to_point(&range.start, &buffer).row
13001 ..text::ToPoint::to_point(&range.end, &buffer).row;
13002 Some((
13003 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
13004 selection,
13005 ))
13006 });
13007
13008 let Some((buffer, selection)) = buffer_and_selection else {
13009 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
13010 };
13011
13012 let Some(project) = self.project.as_ref() else {
13013 return Task::ready(Err(anyhow!("editor does not have project")));
13014 };
13015
13016 project.update(cx, |project, cx| {
13017 project.get_permalink_to_line(&buffer, selection, cx)
13018 })
13019 }
13020
13021 pub fn copy_permalink_to_line(
13022 &mut self,
13023 _: &CopyPermalinkToLine,
13024 window: &mut Window,
13025 cx: &mut Context<Self>,
13026 ) {
13027 let permalink_task = self.get_permalink_to_line(cx);
13028 let workspace = self.workspace();
13029
13030 cx.spawn_in(window, |_, mut cx| async move {
13031 match permalink_task.await {
13032 Ok(permalink) => {
13033 cx.update(|_, cx| {
13034 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
13035 })
13036 .ok();
13037 }
13038 Err(err) => {
13039 let message = format!("Failed to copy permalink: {err}");
13040
13041 Err::<(), anyhow::Error>(err).log_err();
13042
13043 if let Some(workspace) = workspace {
13044 workspace
13045 .update_in(&mut cx, |workspace, _, cx| {
13046 struct CopyPermalinkToLine;
13047
13048 workspace.show_toast(
13049 Toast::new(
13050 NotificationId::unique::<CopyPermalinkToLine>(),
13051 message,
13052 ),
13053 cx,
13054 )
13055 })
13056 .ok();
13057 }
13058 }
13059 }
13060 })
13061 .detach();
13062 }
13063
13064 pub fn copy_file_location(
13065 &mut self,
13066 _: &CopyFileLocation,
13067 _: &mut Window,
13068 cx: &mut Context<Self>,
13069 ) {
13070 let selection = self.selections.newest::<Point>(cx).start.row + 1;
13071 if let Some(file) = self.target_file(cx) {
13072 if let Some(path) = file.path().to_str() {
13073 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
13074 }
13075 }
13076 }
13077
13078 pub fn open_permalink_to_line(
13079 &mut self,
13080 _: &OpenPermalinkToLine,
13081 window: &mut Window,
13082 cx: &mut Context<Self>,
13083 ) {
13084 let permalink_task = self.get_permalink_to_line(cx);
13085 let workspace = self.workspace();
13086
13087 cx.spawn_in(window, |_, mut cx| async move {
13088 match permalink_task.await {
13089 Ok(permalink) => {
13090 cx.update(|_, cx| {
13091 cx.open_url(permalink.as_ref());
13092 })
13093 .ok();
13094 }
13095 Err(err) => {
13096 let message = format!("Failed to open permalink: {err}");
13097
13098 Err::<(), anyhow::Error>(err).log_err();
13099
13100 if let Some(workspace) = workspace {
13101 workspace
13102 .update(&mut cx, |workspace, cx| {
13103 struct OpenPermalinkToLine;
13104
13105 workspace.show_toast(
13106 Toast::new(
13107 NotificationId::unique::<OpenPermalinkToLine>(),
13108 message,
13109 ),
13110 cx,
13111 )
13112 })
13113 .ok();
13114 }
13115 }
13116 }
13117 })
13118 .detach();
13119 }
13120
13121 pub fn insert_uuid_v4(
13122 &mut self,
13123 _: &InsertUuidV4,
13124 window: &mut Window,
13125 cx: &mut Context<Self>,
13126 ) {
13127 self.insert_uuid(UuidVersion::V4, window, cx);
13128 }
13129
13130 pub fn insert_uuid_v7(
13131 &mut self,
13132 _: &InsertUuidV7,
13133 window: &mut Window,
13134 cx: &mut Context<Self>,
13135 ) {
13136 self.insert_uuid(UuidVersion::V7, window, cx);
13137 }
13138
13139 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
13140 self.transact(window, cx, |this, window, cx| {
13141 let edits = this
13142 .selections
13143 .all::<Point>(cx)
13144 .into_iter()
13145 .map(|selection| {
13146 let uuid = match version {
13147 UuidVersion::V4 => uuid::Uuid::new_v4(),
13148 UuidVersion::V7 => uuid::Uuid::now_v7(),
13149 };
13150
13151 (selection.range(), uuid.to_string())
13152 });
13153 this.edit(edits, cx);
13154 this.refresh_inline_completion(true, false, window, cx);
13155 });
13156 }
13157
13158 pub fn open_selections_in_multibuffer(
13159 &mut self,
13160 _: &OpenSelectionsInMultibuffer,
13161 window: &mut Window,
13162 cx: &mut Context<Self>,
13163 ) {
13164 let multibuffer = self.buffer.read(cx);
13165
13166 let Some(buffer) = multibuffer.as_singleton() else {
13167 return;
13168 };
13169
13170 let Some(workspace) = self.workspace() else {
13171 return;
13172 };
13173
13174 let locations = self
13175 .selections
13176 .disjoint_anchors()
13177 .iter()
13178 .map(|range| Location {
13179 buffer: buffer.clone(),
13180 range: range.start.text_anchor..range.end.text_anchor,
13181 })
13182 .collect::<Vec<_>>();
13183
13184 let title = multibuffer.title(cx).to_string();
13185
13186 cx.spawn_in(window, |_, mut cx| async move {
13187 workspace.update_in(&mut cx, |workspace, window, cx| {
13188 Self::open_locations_in_multibuffer(
13189 workspace,
13190 locations,
13191 format!("Selections for '{title}'"),
13192 false,
13193 MultibufferSelectionMode::All,
13194 window,
13195 cx,
13196 );
13197 })
13198 })
13199 .detach();
13200 }
13201
13202 /// Adds a row highlight for the given range. If a row has multiple highlights, the
13203 /// last highlight added will be used.
13204 ///
13205 /// If the range ends at the beginning of a line, then that line will not be highlighted.
13206 pub fn highlight_rows<T: 'static>(
13207 &mut self,
13208 range: Range<Anchor>,
13209 color: Hsla,
13210 should_autoscroll: bool,
13211 cx: &mut Context<Self>,
13212 ) {
13213 let snapshot = self.buffer().read(cx).snapshot(cx);
13214 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13215 let ix = row_highlights.binary_search_by(|highlight| {
13216 Ordering::Equal
13217 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
13218 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
13219 });
13220
13221 if let Err(mut ix) = ix {
13222 let index = post_inc(&mut self.highlight_order);
13223
13224 // If this range intersects with the preceding highlight, then merge it with
13225 // the preceding highlight. Otherwise insert a new highlight.
13226 let mut merged = false;
13227 if ix > 0 {
13228 let prev_highlight = &mut row_highlights[ix - 1];
13229 if prev_highlight
13230 .range
13231 .end
13232 .cmp(&range.start, &snapshot)
13233 .is_ge()
13234 {
13235 ix -= 1;
13236 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
13237 prev_highlight.range.end = range.end;
13238 }
13239 merged = true;
13240 prev_highlight.index = index;
13241 prev_highlight.color = color;
13242 prev_highlight.should_autoscroll = should_autoscroll;
13243 }
13244 }
13245
13246 if !merged {
13247 row_highlights.insert(
13248 ix,
13249 RowHighlight {
13250 range: range.clone(),
13251 index,
13252 color,
13253 should_autoscroll,
13254 },
13255 );
13256 }
13257
13258 // If any of the following highlights intersect with this one, merge them.
13259 while let Some(next_highlight) = row_highlights.get(ix + 1) {
13260 let highlight = &row_highlights[ix];
13261 if next_highlight
13262 .range
13263 .start
13264 .cmp(&highlight.range.end, &snapshot)
13265 .is_le()
13266 {
13267 if next_highlight
13268 .range
13269 .end
13270 .cmp(&highlight.range.end, &snapshot)
13271 .is_gt()
13272 {
13273 row_highlights[ix].range.end = next_highlight.range.end;
13274 }
13275 row_highlights.remove(ix + 1);
13276 } else {
13277 break;
13278 }
13279 }
13280 }
13281 }
13282
13283 /// Remove any highlighted row ranges of the given type that intersect the
13284 /// given ranges.
13285 pub fn remove_highlighted_rows<T: 'static>(
13286 &mut self,
13287 ranges_to_remove: Vec<Range<Anchor>>,
13288 cx: &mut Context<Self>,
13289 ) {
13290 let snapshot = self.buffer().read(cx).snapshot(cx);
13291 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
13292 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
13293 row_highlights.retain(|highlight| {
13294 while let Some(range_to_remove) = ranges_to_remove.peek() {
13295 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
13296 Ordering::Less | Ordering::Equal => {
13297 ranges_to_remove.next();
13298 }
13299 Ordering::Greater => {
13300 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
13301 Ordering::Less | Ordering::Equal => {
13302 return false;
13303 }
13304 Ordering::Greater => break,
13305 }
13306 }
13307 }
13308 }
13309
13310 true
13311 })
13312 }
13313
13314 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
13315 pub fn clear_row_highlights<T: 'static>(&mut self) {
13316 self.highlighted_rows.remove(&TypeId::of::<T>());
13317 }
13318
13319 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
13320 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
13321 self.highlighted_rows
13322 .get(&TypeId::of::<T>())
13323 .map_or(&[] as &[_], |vec| vec.as_slice())
13324 .iter()
13325 .map(|highlight| (highlight.range.clone(), highlight.color))
13326 }
13327
13328 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
13329 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
13330 /// Allows to ignore certain kinds of highlights.
13331 pub fn highlighted_display_rows(
13332 &self,
13333 window: &mut Window,
13334 cx: &mut App,
13335 ) -> BTreeMap<DisplayRow, Hsla> {
13336 let snapshot = self.snapshot(window, cx);
13337 let mut used_highlight_orders = HashMap::default();
13338 self.highlighted_rows
13339 .iter()
13340 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
13341 .fold(
13342 BTreeMap::<DisplayRow, Hsla>::new(),
13343 |mut unique_rows, highlight| {
13344 let start = highlight.range.start.to_display_point(&snapshot);
13345 let end = highlight.range.end.to_display_point(&snapshot);
13346 let start_row = start.row().0;
13347 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
13348 && end.column() == 0
13349 {
13350 end.row().0.saturating_sub(1)
13351 } else {
13352 end.row().0
13353 };
13354 for row in start_row..=end_row {
13355 let used_index =
13356 used_highlight_orders.entry(row).or_insert(highlight.index);
13357 if highlight.index >= *used_index {
13358 *used_index = highlight.index;
13359 unique_rows.insert(DisplayRow(row), highlight.color);
13360 }
13361 }
13362 unique_rows
13363 },
13364 )
13365 }
13366
13367 pub fn highlighted_display_row_for_autoscroll(
13368 &self,
13369 snapshot: &DisplaySnapshot,
13370 ) -> Option<DisplayRow> {
13371 self.highlighted_rows
13372 .values()
13373 .flat_map(|highlighted_rows| highlighted_rows.iter())
13374 .filter_map(|highlight| {
13375 if highlight.should_autoscroll {
13376 Some(highlight.range.start.to_display_point(snapshot).row())
13377 } else {
13378 None
13379 }
13380 })
13381 .min()
13382 }
13383
13384 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
13385 self.highlight_background::<SearchWithinRange>(
13386 ranges,
13387 |colors| colors.editor_document_highlight_read_background,
13388 cx,
13389 )
13390 }
13391
13392 pub fn set_breadcrumb_header(&mut self, new_header: String) {
13393 self.breadcrumb_header = Some(new_header);
13394 }
13395
13396 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
13397 self.clear_background_highlights::<SearchWithinRange>(cx);
13398 }
13399
13400 pub fn highlight_background<T: 'static>(
13401 &mut self,
13402 ranges: &[Range<Anchor>],
13403 color_fetcher: fn(&ThemeColors) -> Hsla,
13404 cx: &mut Context<Self>,
13405 ) {
13406 self.background_highlights
13407 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13408 self.scrollbar_marker_state.dirty = true;
13409 cx.notify();
13410 }
13411
13412 pub fn clear_background_highlights<T: 'static>(
13413 &mut self,
13414 cx: &mut Context<Self>,
13415 ) -> Option<BackgroundHighlight> {
13416 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
13417 if !text_highlights.1.is_empty() {
13418 self.scrollbar_marker_state.dirty = true;
13419 cx.notify();
13420 }
13421 Some(text_highlights)
13422 }
13423
13424 pub fn highlight_gutter<T: 'static>(
13425 &mut self,
13426 ranges: &[Range<Anchor>],
13427 color_fetcher: fn(&App) -> Hsla,
13428 cx: &mut Context<Self>,
13429 ) {
13430 self.gutter_highlights
13431 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
13432 cx.notify();
13433 }
13434
13435 pub fn clear_gutter_highlights<T: 'static>(
13436 &mut self,
13437 cx: &mut Context<Self>,
13438 ) -> Option<GutterHighlight> {
13439 cx.notify();
13440 self.gutter_highlights.remove(&TypeId::of::<T>())
13441 }
13442
13443 #[cfg(feature = "test-support")]
13444 pub fn all_text_background_highlights(
13445 &self,
13446 window: &mut Window,
13447 cx: &mut Context<Self>,
13448 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13449 let snapshot = self.snapshot(window, cx);
13450 let buffer = &snapshot.buffer_snapshot;
13451 let start = buffer.anchor_before(0);
13452 let end = buffer.anchor_after(buffer.len());
13453 let theme = cx.theme().colors();
13454 self.background_highlights_in_range(start..end, &snapshot, theme)
13455 }
13456
13457 #[cfg(feature = "test-support")]
13458 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
13459 let snapshot = self.buffer().read(cx).snapshot(cx);
13460
13461 let highlights = self
13462 .background_highlights
13463 .get(&TypeId::of::<items::BufferSearchHighlights>());
13464
13465 if let Some((_color, ranges)) = highlights {
13466 ranges
13467 .iter()
13468 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
13469 .collect_vec()
13470 } else {
13471 vec![]
13472 }
13473 }
13474
13475 fn document_highlights_for_position<'a>(
13476 &'a self,
13477 position: Anchor,
13478 buffer: &'a MultiBufferSnapshot,
13479 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13480 let read_highlights = self
13481 .background_highlights
13482 .get(&TypeId::of::<DocumentHighlightRead>())
13483 .map(|h| &h.1);
13484 let write_highlights = self
13485 .background_highlights
13486 .get(&TypeId::of::<DocumentHighlightWrite>())
13487 .map(|h| &h.1);
13488 let left_position = position.bias_left(buffer);
13489 let right_position = position.bias_right(buffer);
13490 read_highlights
13491 .into_iter()
13492 .chain(write_highlights)
13493 .flat_map(move |ranges| {
13494 let start_ix = match ranges.binary_search_by(|probe| {
13495 let cmp = probe.end.cmp(&left_position, buffer);
13496 if cmp.is_ge() {
13497 Ordering::Greater
13498 } else {
13499 Ordering::Less
13500 }
13501 }) {
13502 Ok(i) | Err(i) => i,
13503 };
13504
13505 ranges[start_ix..]
13506 .iter()
13507 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13508 })
13509 }
13510
13511 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13512 self.background_highlights
13513 .get(&TypeId::of::<T>())
13514 .map_or(false, |(_, highlights)| !highlights.is_empty())
13515 }
13516
13517 pub fn background_highlights_in_range(
13518 &self,
13519 search_range: Range<Anchor>,
13520 display_snapshot: &DisplaySnapshot,
13521 theme: &ThemeColors,
13522 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13523 let mut results = Vec::new();
13524 for (color_fetcher, ranges) in self.background_highlights.values() {
13525 let color = color_fetcher(theme);
13526 let start_ix = match ranges.binary_search_by(|probe| {
13527 let cmp = probe
13528 .end
13529 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13530 if cmp.is_gt() {
13531 Ordering::Greater
13532 } else {
13533 Ordering::Less
13534 }
13535 }) {
13536 Ok(i) | Err(i) => i,
13537 };
13538 for range in &ranges[start_ix..] {
13539 if range
13540 .start
13541 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13542 .is_ge()
13543 {
13544 break;
13545 }
13546
13547 let start = range.start.to_display_point(display_snapshot);
13548 let end = range.end.to_display_point(display_snapshot);
13549 results.push((start..end, color))
13550 }
13551 }
13552 results
13553 }
13554
13555 pub fn background_highlight_row_ranges<T: 'static>(
13556 &self,
13557 search_range: Range<Anchor>,
13558 display_snapshot: &DisplaySnapshot,
13559 count: usize,
13560 ) -> Vec<RangeInclusive<DisplayPoint>> {
13561 let mut results = Vec::new();
13562 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13563 return vec![];
13564 };
13565
13566 let start_ix = match ranges.binary_search_by(|probe| {
13567 let cmp = probe
13568 .end
13569 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13570 if cmp.is_gt() {
13571 Ordering::Greater
13572 } else {
13573 Ordering::Less
13574 }
13575 }) {
13576 Ok(i) | Err(i) => i,
13577 };
13578 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13579 if let (Some(start_display), Some(end_display)) = (start, end) {
13580 results.push(
13581 start_display.to_display_point(display_snapshot)
13582 ..=end_display.to_display_point(display_snapshot),
13583 );
13584 }
13585 };
13586 let mut start_row: Option<Point> = None;
13587 let mut end_row: Option<Point> = None;
13588 if ranges.len() > count {
13589 return Vec::new();
13590 }
13591 for range in &ranges[start_ix..] {
13592 if range
13593 .start
13594 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13595 .is_ge()
13596 {
13597 break;
13598 }
13599 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13600 if let Some(current_row) = &end_row {
13601 if end.row == current_row.row {
13602 continue;
13603 }
13604 }
13605 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13606 if start_row.is_none() {
13607 assert_eq!(end_row, None);
13608 start_row = Some(start);
13609 end_row = Some(end);
13610 continue;
13611 }
13612 if let Some(current_end) = end_row.as_mut() {
13613 if start.row > current_end.row + 1 {
13614 push_region(start_row, end_row);
13615 start_row = Some(start);
13616 end_row = Some(end);
13617 } else {
13618 // Merge two hunks.
13619 *current_end = end;
13620 }
13621 } else {
13622 unreachable!();
13623 }
13624 }
13625 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13626 push_region(start_row, end_row);
13627 results
13628 }
13629
13630 pub fn gutter_highlights_in_range(
13631 &self,
13632 search_range: Range<Anchor>,
13633 display_snapshot: &DisplaySnapshot,
13634 cx: &App,
13635 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13636 let mut results = Vec::new();
13637 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13638 let color = color_fetcher(cx);
13639 let start_ix = match ranges.binary_search_by(|probe| {
13640 let cmp = probe
13641 .end
13642 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13643 if cmp.is_gt() {
13644 Ordering::Greater
13645 } else {
13646 Ordering::Less
13647 }
13648 }) {
13649 Ok(i) | Err(i) => i,
13650 };
13651 for range in &ranges[start_ix..] {
13652 if range
13653 .start
13654 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13655 .is_ge()
13656 {
13657 break;
13658 }
13659
13660 let start = range.start.to_display_point(display_snapshot);
13661 let end = range.end.to_display_point(display_snapshot);
13662 results.push((start..end, color))
13663 }
13664 }
13665 results
13666 }
13667
13668 /// Get the text ranges corresponding to the redaction query
13669 pub fn redacted_ranges(
13670 &self,
13671 search_range: Range<Anchor>,
13672 display_snapshot: &DisplaySnapshot,
13673 cx: &App,
13674 ) -> Vec<Range<DisplayPoint>> {
13675 display_snapshot
13676 .buffer_snapshot
13677 .redacted_ranges(search_range, |file| {
13678 if let Some(file) = file {
13679 file.is_private()
13680 && EditorSettings::get(
13681 Some(SettingsLocation {
13682 worktree_id: file.worktree_id(cx),
13683 path: file.path().as_ref(),
13684 }),
13685 cx,
13686 )
13687 .redact_private_values
13688 } else {
13689 false
13690 }
13691 })
13692 .map(|range| {
13693 range.start.to_display_point(display_snapshot)
13694 ..range.end.to_display_point(display_snapshot)
13695 })
13696 .collect()
13697 }
13698
13699 pub fn highlight_text<T: 'static>(
13700 &mut self,
13701 ranges: Vec<Range<Anchor>>,
13702 style: HighlightStyle,
13703 cx: &mut Context<Self>,
13704 ) {
13705 self.display_map.update(cx, |map, _| {
13706 map.highlight_text(TypeId::of::<T>(), ranges, style)
13707 });
13708 cx.notify();
13709 }
13710
13711 pub(crate) fn highlight_inlays<T: 'static>(
13712 &mut self,
13713 highlights: Vec<InlayHighlight>,
13714 style: HighlightStyle,
13715 cx: &mut Context<Self>,
13716 ) {
13717 self.display_map.update(cx, |map, _| {
13718 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13719 });
13720 cx.notify();
13721 }
13722
13723 pub fn text_highlights<'a, T: 'static>(
13724 &'a self,
13725 cx: &'a App,
13726 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13727 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13728 }
13729
13730 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13731 let cleared = self
13732 .display_map
13733 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13734 if cleared {
13735 cx.notify();
13736 }
13737 }
13738
13739 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13740 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13741 && self.focus_handle.is_focused(window)
13742 }
13743
13744 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13745 self.show_cursor_when_unfocused = is_enabled;
13746 cx.notify();
13747 }
13748
13749 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13750 self.project
13751 .as_ref()
13752 .map(|project| project.read(cx).lsp_store())
13753 }
13754
13755 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13756 cx.notify();
13757 }
13758
13759 fn on_buffer_event(
13760 &mut self,
13761 multibuffer: &Entity<MultiBuffer>,
13762 event: &multi_buffer::Event,
13763 window: &mut Window,
13764 cx: &mut Context<Self>,
13765 ) {
13766 match event {
13767 multi_buffer::Event::Edited {
13768 singleton_buffer_edited,
13769 edited_buffer: buffer_edited,
13770 } => {
13771 self.scrollbar_marker_state.dirty = true;
13772 self.active_indent_guides_state.dirty = true;
13773 self.refresh_active_diagnostics(cx);
13774 self.refresh_code_actions(window, cx);
13775 if self.has_active_inline_completion() {
13776 self.update_visible_inline_completion(window, cx);
13777 }
13778 if let Some(buffer) = buffer_edited {
13779 let buffer_id = buffer.read(cx).remote_id();
13780 if !self.registered_buffers.contains_key(&buffer_id) {
13781 if let Some(lsp_store) = self.lsp_store(cx) {
13782 lsp_store.update(cx, |lsp_store, cx| {
13783 self.registered_buffers.insert(
13784 buffer_id,
13785 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13786 );
13787 })
13788 }
13789 }
13790 }
13791 cx.emit(EditorEvent::BufferEdited);
13792 cx.emit(SearchEvent::MatchesInvalidated);
13793 if *singleton_buffer_edited {
13794 if let Some(project) = &self.project {
13795 let project = project.read(cx);
13796 #[allow(clippy::mutable_key_type)]
13797 let languages_affected = multibuffer
13798 .read(cx)
13799 .all_buffers()
13800 .into_iter()
13801 .filter_map(|buffer| {
13802 let buffer = buffer.read(cx);
13803 let language = buffer.language()?;
13804 if project.is_local()
13805 && project
13806 .language_servers_for_local_buffer(buffer, cx)
13807 .count()
13808 == 0
13809 {
13810 None
13811 } else {
13812 Some(language)
13813 }
13814 })
13815 .cloned()
13816 .collect::<HashSet<_>>();
13817 if !languages_affected.is_empty() {
13818 self.refresh_inlay_hints(
13819 InlayHintRefreshReason::BufferEdited(languages_affected),
13820 cx,
13821 );
13822 }
13823 }
13824 }
13825
13826 let Some(project) = &self.project else { return };
13827 let (telemetry, is_via_ssh) = {
13828 let project = project.read(cx);
13829 let telemetry = project.client().telemetry().clone();
13830 let is_via_ssh = project.is_via_ssh();
13831 (telemetry, is_via_ssh)
13832 };
13833 refresh_linked_ranges(self, window, cx);
13834 telemetry.log_edit_event("editor", is_via_ssh);
13835 }
13836 multi_buffer::Event::ExcerptsAdded {
13837 buffer,
13838 predecessor,
13839 excerpts,
13840 } => {
13841 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13842 let buffer_id = buffer.read(cx).remote_id();
13843 if self.buffer.read(cx).diff_for(buffer_id).is_none() {
13844 if let Some(project) = &self.project {
13845 get_uncommitted_diff_for_buffer(
13846 project,
13847 [buffer.clone()],
13848 self.buffer.clone(),
13849 cx,
13850 );
13851 }
13852 }
13853 cx.emit(EditorEvent::ExcerptsAdded {
13854 buffer: buffer.clone(),
13855 predecessor: *predecessor,
13856 excerpts: excerpts.clone(),
13857 });
13858 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13859 }
13860 multi_buffer::Event::ExcerptsRemoved { ids } => {
13861 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
13862 let buffer = self.buffer.read(cx);
13863 self.registered_buffers
13864 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
13865 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
13866 }
13867 multi_buffer::Event::ExcerptsEdited { ids } => {
13868 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
13869 }
13870 multi_buffer::Event::ExcerptsExpanded { ids } => {
13871 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13872 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
13873 }
13874 multi_buffer::Event::Reparsed(buffer_id) => {
13875 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13876
13877 cx.emit(EditorEvent::Reparsed(*buffer_id));
13878 }
13879 multi_buffer::Event::DiffHunksToggled => {
13880 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13881 }
13882 multi_buffer::Event::LanguageChanged(buffer_id) => {
13883 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
13884 cx.emit(EditorEvent::Reparsed(*buffer_id));
13885 cx.notify();
13886 }
13887 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
13888 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
13889 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
13890 cx.emit(EditorEvent::TitleChanged)
13891 }
13892 // multi_buffer::Event::DiffBaseChanged => {
13893 // self.scrollbar_marker_state.dirty = true;
13894 // cx.emit(EditorEvent::DiffBaseChanged);
13895 // cx.notify();
13896 // }
13897 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
13898 multi_buffer::Event::DiagnosticsUpdated => {
13899 self.refresh_active_diagnostics(cx);
13900 self.scrollbar_marker_state.dirty = true;
13901 cx.notify();
13902 }
13903 _ => {}
13904 };
13905 }
13906
13907 fn on_display_map_changed(
13908 &mut self,
13909 _: Entity<DisplayMap>,
13910 _: &mut Window,
13911 cx: &mut Context<Self>,
13912 ) {
13913 cx.notify();
13914 }
13915
13916 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13917 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13918 self.refresh_inline_completion(true, false, window, cx);
13919 self.refresh_inlay_hints(
13920 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
13921 self.selections.newest_anchor().head(),
13922 &self.buffer.read(cx).snapshot(cx),
13923 cx,
13924 )),
13925 cx,
13926 );
13927
13928 let old_cursor_shape = self.cursor_shape;
13929
13930 {
13931 let editor_settings = EditorSettings::get_global(cx);
13932 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
13933 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
13934 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
13935 }
13936
13937 if old_cursor_shape != self.cursor_shape {
13938 cx.emit(EditorEvent::CursorShapeChanged);
13939 }
13940
13941 let project_settings = ProjectSettings::get_global(cx);
13942 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
13943
13944 if self.mode == EditorMode::Full {
13945 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
13946 if self.git_blame_inline_enabled != inline_blame_enabled {
13947 self.toggle_git_blame_inline_internal(false, window, cx);
13948 }
13949 }
13950
13951 cx.notify();
13952 }
13953
13954 pub fn set_searchable(&mut self, searchable: bool) {
13955 self.searchable = searchable;
13956 }
13957
13958 pub fn searchable(&self) -> bool {
13959 self.searchable
13960 }
13961
13962 fn open_proposed_changes_editor(
13963 &mut self,
13964 _: &OpenProposedChangesEditor,
13965 window: &mut Window,
13966 cx: &mut Context<Self>,
13967 ) {
13968 let Some(workspace) = self.workspace() else {
13969 cx.propagate();
13970 return;
13971 };
13972
13973 let selections = self.selections.all::<usize>(cx);
13974 let multi_buffer = self.buffer.read(cx);
13975 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13976 let mut new_selections_by_buffer = HashMap::default();
13977 for selection in selections {
13978 for (buffer, range, _) in
13979 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
13980 {
13981 let mut range = range.to_point(buffer);
13982 range.start.column = 0;
13983 range.end.column = buffer.line_len(range.end.row);
13984 new_selections_by_buffer
13985 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
13986 .or_insert(Vec::new())
13987 .push(range)
13988 }
13989 }
13990
13991 let proposed_changes_buffers = new_selections_by_buffer
13992 .into_iter()
13993 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
13994 .collect::<Vec<_>>();
13995 let proposed_changes_editor = cx.new(|cx| {
13996 ProposedChangesEditor::new(
13997 "Proposed changes",
13998 proposed_changes_buffers,
13999 self.project.clone(),
14000 window,
14001 cx,
14002 )
14003 });
14004
14005 window.defer(cx, move |window, cx| {
14006 workspace.update(cx, |workspace, cx| {
14007 workspace.active_pane().update(cx, |pane, cx| {
14008 pane.add_item(
14009 Box::new(proposed_changes_editor),
14010 true,
14011 true,
14012 None,
14013 window,
14014 cx,
14015 );
14016 });
14017 });
14018 });
14019 }
14020
14021 pub fn open_excerpts_in_split(
14022 &mut self,
14023 _: &OpenExcerptsSplit,
14024 window: &mut Window,
14025 cx: &mut Context<Self>,
14026 ) {
14027 self.open_excerpts_common(None, true, window, cx)
14028 }
14029
14030 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
14031 self.open_excerpts_common(None, false, window, cx)
14032 }
14033
14034 fn open_excerpts_common(
14035 &mut self,
14036 jump_data: Option<JumpData>,
14037 split: bool,
14038 window: &mut Window,
14039 cx: &mut Context<Self>,
14040 ) {
14041 let Some(workspace) = self.workspace() else {
14042 cx.propagate();
14043 return;
14044 };
14045
14046 if self.buffer.read(cx).is_singleton() {
14047 cx.propagate();
14048 return;
14049 }
14050
14051 let mut new_selections_by_buffer = HashMap::default();
14052 match &jump_data {
14053 Some(JumpData::MultiBufferPoint {
14054 excerpt_id,
14055 position,
14056 anchor,
14057 line_offset_from_top,
14058 }) => {
14059 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
14060 if let Some(buffer) = multi_buffer_snapshot
14061 .buffer_id_for_excerpt(*excerpt_id)
14062 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
14063 {
14064 let buffer_snapshot = buffer.read(cx).snapshot();
14065 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
14066 language::ToPoint::to_point(anchor, &buffer_snapshot)
14067 } else {
14068 buffer_snapshot.clip_point(*position, Bias::Left)
14069 };
14070 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
14071 new_selections_by_buffer.insert(
14072 buffer,
14073 (
14074 vec![jump_to_offset..jump_to_offset],
14075 Some(*line_offset_from_top),
14076 ),
14077 );
14078 }
14079 }
14080 Some(JumpData::MultiBufferRow {
14081 row,
14082 line_offset_from_top,
14083 }) => {
14084 let point = MultiBufferPoint::new(row.0, 0);
14085 if let Some((buffer, buffer_point, _)) =
14086 self.buffer.read(cx).point_to_buffer_point(point, cx)
14087 {
14088 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
14089 new_selections_by_buffer
14090 .entry(buffer)
14091 .or_insert((Vec::new(), Some(*line_offset_from_top)))
14092 .0
14093 .push(buffer_offset..buffer_offset)
14094 }
14095 }
14096 None => {
14097 let selections = self.selections.all::<usize>(cx);
14098 let multi_buffer = self.buffer.read(cx);
14099 for selection in selections {
14100 for (buffer, mut range, _) in multi_buffer
14101 .snapshot(cx)
14102 .range_to_buffer_ranges(selection.range())
14103 {
14104 // When editing branch buffers, jump to the corresponding location
14105 // in their base buffer.
14106 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
14107 let buffer = buffer_handle.read(cx);
14108 if let Some(base_buffer) = buffer.base_buffer() {
14109 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
14110 buffer_handle = base_buffer;
14111 }
14112
14113 if selection.reversed {
14114 mem::swap(&mut range.start, &mut range.end);
14115 }
14116 new_selections_by_buffer
14117 .entry(buffer_handle)
14118 .or_insert((Vec::new(), None))
14119 .0
14120 .push(range)
14121 }
14122 }
14123 }
14124 }
14125
14126 if new_selections_by_buffer.is_empty() {
14127 return;
14128 }
14129
14130 // We defer the pane interaction because we ourselves are a workspace item
14131 // and activating a new item causes the pane to call a method on us reentrantly,
14132 // which panics if we're on the stack.
14133 window.defer(cx, move |window, cx| {
14134 workspace.update(cx, |workspace, cx| {
14135 let pane = if split {
14136 workspace.adjacent_pane(window, cx)
14137 } else {
14138 workspace.active_pane().clone()
14139 };
14140
14141 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
14142 let editor = buffer
14143 .read(cx)
14144 .file()
14145 .is_none()
14146 .then(|| {
14147 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
14148 // so `workspace.open_project_item` will never find them, always opening a new editor.
14149 // Instead, we try to activate the existing editor in the pane first.
14150 let (editor, pane_item_index) =
14151 pane.read(cx).items().enumerate().find_map(|(i, item)| {
14152 let editor = item.downcast::<Editor>()?;
14153 let singleton_buffer =
14154 editor.read(cx).buffer().read(cx).as_singleton()?;
14155 if singleton_buffer == buffer {
14156 Some((editor, i))
14157 } else {
14158 None
14159 }
14160 })?;
14161 pane.update(cx, |pane, cx| {
14162 pane.activate_item(pane_item_index, true, true, window, cx)
14163 });
14164 Some(editor)
14165 })
14166 .flatten()
14167 .unwrap_or_else(|| {
14168 workspace.open_project_item::<Self>(
14169 pane.clone(),
14170 buffer,
14171 true,
14172 true,
14173 window,
14174 cx,
14175 )
14176 });
14177
14178 editor.update(cx, |editor, cx| {
14179 let autoscroll = match scroll_offset {
14180 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
14181 None => Autoscroll::newest(),
14182 };
14183 let nav_history = editor.nav_history.take();
14184 editor.change_selections(Some(autoscroll), window, cx, |s| {
14185 s.select_ranges(ranges);
14186 });
14187 editor.nav_history = nav_history;
14188 });
14189 }
14190 })
14191 });
14192 }
14193
14194 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
14195 let snapshot = self.buffer.read(cx).read(cx);
14196 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
14197 Some(
14198 ranges
14199 .iter()
14200 .map(move |range| {
14201 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
14202 })
14203 .collect(),
14204 )
14205 }
14206
14207 fn selection_replacement_ranges(
14208 &self,
14209 range: Range<OffsetUtf16>,
14210 cx: &mut App,
14211 ) -> Vec<Range<OffsetUtf16>> {
14212 let selections = self.selections.all::<OffsetUtf16>(cx);
14213 let newest_selection = selections
14214 .iter()
14215 .max_by_key(|selection| selection.id)
14216 .unwrap();
14217 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
14218 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
14219 let snapshot = self.buffer.read(cx).read(cx);
14220 selections
14221 .into_iter()
14222 .map(|mut selection| {
14223 selection.start.0 =
14224 (selection.start.0 as isize).saturating_add(start_delta) as usize;
14225 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
14226 snapshot.clip_offset_utf16(selection.start, Bias::Left)
14227 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
14228 })
14229 .collect()
14230 }
14231
14232 fn report_editor_event(
14233 &self,
14234 event_type: &'static str,
14235 file_extension: Option<String>,
14236 cx: &App,
14237 ) {
14238 if cfg!(any(test, feature = "test-support")) {
14239 return;
14240 }
14241
14242 let Some(project) = &self.project else { return };
14243
14244 // If None, we are in a file without an extension
14245 let file = self
14246 .buffer
14247 .read(cx)
14248 .as_singleton()
14249 .and_then(|b| b.read(cx).file());
14250 let file_extension = file_extension.or(file
14251 .as_ref()
14252 .and_then(|file| Path::new(file.file_name(cx)).extension())
14253 .and_then(|e| e.to_str())
14254 .map(|a| a.to_string()));
14255
14256 let vim_mode = cx
14257 .global::<SettingsStore>()
14258 .raw_user_settings()
14259 .get("vim_mode")
14260 == Some(&serde_json::Value::Bool(true));
14261
14262 let edit_predictions_provider = all_language_settings(file, cx).edit_predictions.provider;
14263 let copilot_enabled = edit_predictions_provider
14264 == language::language_settings::EditPredictionProvider::Copilot;
14265 let copilot_enabled_for_language = self
14266 .buffer
14267 .read(cx)
14268 .settings_at(0, cx)
14269 .show_edit_predictions;
14270
14271 let project = project.read(cx);
14272 telemetry::event!(
14273 event_type,
14274 file_extension,
14275 vim_mode,
14276 copilot_enabled,
14277 copilot_enabled_for_language,
14278 edit_predictions_provider,
14279 is_via_ssh = project.is_via_ssh(),
14280 );
14281 }
14282
14283 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
14284 /// with each line being an array of {text, highlight} objects.
14285 fn copy_highlight_json(
14286 &mut self,
14287 _: &CopyHighlightJson,
14288 window: &mut Window,
14289 cx: &mut Context<Self>,
14290 ) {
14291 #[derive(Serialize)]
14292 struct Chunk<'a> {
14293 text: String,
14294 highlight: Option<&'a str>,
14295 }
14296
14297 let snapshot = self.buffer.read(cx).snapshot(cx);
14298 let range = self
14299 .selected_text_range(false, window, cx)
14300 .and_then(|selection| {
14301 if selection.range.is_empty() {
14302 None
14303 } else {
14304 Some(selection.range)
14305 }
14306 })
14307 .unwrap_or_else(|| 0..snapshot.len());
14308
14309 let chunks = snapshot.chunks(range, true);
14310 let mut lines = Vec::new();
14311 let mut line: VecDeque<Chunk> = VecDeque::new();
14312
14313 let Some(style) = self.style.as_ref() else {
14314 return;
14315 };
14316
14317 for chunk in chunks {
14318 let highlight = chunk
14319 .syntax_highlight_id
14320 .and_then(|id| id.name(&style.syntax));
14321 let mut chunk_lines = chunk.text.split('\n').peekable();
14322 while let Some(text) = chunk_lines.next() {
14323 let mut merged_with_last_token = false;
14324 if let Some(last_token) = line.back_mut() {
14325 if last_token.highlight == highlight {
14326 last_token.text.push_str(text);
14327 merged_with_last_token = true;
14328 }
14329 }
14330
14331 if !merged_with_last_token {
14332 line.push_back(Chunk {
14333 text: text.into(),
14334 highlight,
14335 });
14336 }
14337
14338 if chunk_lines.peek().is_some() {
14339 if line.len() > 1 && line.front().unwrap().text.is_empty() {
14340 line.pop_front();
14341 }
14342 if line.len() > 1 && line.back().unwrap().text.is_empty() {
14343 line.pop_back();
14344 }
14345
14346 lines.push(mem::take(&mut line));
14347 }
14348 }
14349 }
14350
14351 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
14352 return;
14353 };
14354 cx.write_to_clipboard(ClipboardItem::new_string(lines));
14355 }
14356
14357 pub fn open_context_menu(
14358 &mut self,
14359 _: &OpenContextMenu,
14360 window: &mut Window,
14361 cx: &mut Context<Self>,
14362 ) {
14363 self.request_autoscroll(Autoscroll::newest(), cx);
14364 let position = self.selections.newest_display(cx).start;
14365 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
14366 }
14367
14368 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
14369 &self.inlay_hint_cache
14370 }
14371
14372 pub fn replay_insert_event(
14373 &mut self,
14374 text: &str,
14375 relative_utf16_range: Option<Range<isize>>,
14376 window: &mut Window,
14377 cx: &mut Context<Self>,
14378 ) {
14379 if !self.input_enabled {
14380 cx.emit(EditorEvent::InputIgnored { text: text.into() });
14381 return;
14382 }
14383 if let Some(relative_utf16_range) = relative_utf16_range {
14384 let selections = self.selections.all::<OffsetUtf16>(cx);
14385 self.change_selections(None, window, cx, |s| {
14386 let new_ranges = selections.into_iter().map(|range| {
14387 let start = OffsetUtf16(
14388 range
14389 .head()
14390 .0
14391 .saturating_add_signed(relative_utf16_range.start),
14392 );
14393 let end = OffsetUtf16(
14394 range
14395 .head()
14396 .0
14397 .saturating_add_signed(relative_utf16_range.end),
14398 );
14399 start..end
14400 });
14401 s.select_ranges(new_ranges);
14402 });
14403 }
14404
14405 self.handle_input(text, window, cx);
14406 }
14407
14408 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
14409 let Some(provider) = self.semantics_provider.as_ref() else {
14410 return false;
14411 };
14412
14413 let mut supports = false;
14414 self.buffer().read(cx).for_each_buffer(|buffer| {
14415 supports |= provider.supports_inlay_hints(buffer, cx);
14416 });
14417 supports
14418 }
14419
14420 pub fn is_focused(&self, window: &Window) -> bool {
14421 self.focus_handle.is_focused(window)
14422 }
14423
14424 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14425 cx.emit(EditorEvent::Focused);
14426
14427 if let Some(descendant) = self
14428 .last_focused_descendant
14429 .take()
14430 .and_then(|descendant| descendant.upgrade())
14431 {
14432 window.focus(&descendant);
14433 } else {
14434 if let Some(blame) = self.blame.as_ref() {
14435 blame.update(cx, GitBlame::focus)
14436 }
14437
14438 self.blink_manager.update(cx, BlinkManager::enable);
14439 self.show_cursor_names(window, cx);
14440 self.buffer.update(cx, |buffer, cx| {
14441 buffer.finalize_last_transaction(cx);
14442 if self.leader_peer_id.is_none() {
14443 buffer.set_active_selections(
14444 &self.selections.disjoint_anchors(),
14445 self.selections.line_mode,
14446 self.cursor_shape,
14447 cx,
14448 );
14449 }
14450 });
14451 }
14452 }
14453
14454 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
14455 cx.emit(EditorEvent::FocusedIn)
14456 }
14457
14458 fn handle_focus_out(
14459 &mut self,
14460 event: FocusOutEvent,
14461 _window: &mut Window,
14462 _cx: &mut Context<Self>,
14463 ) {
14464 if event.blurred != self.focus_handle {
14465 self.last_focused_descendant = Some(event.blurred);
14466 }
14467 }
14468
14469 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14470 self.blink_manager.update(cx, BlinkManager::disable);
14471 self.buffer
14472 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
14473
14474 if let Some(blame) = self.blame.as_ref() {
14475 blame.update(cx, GitBlame::blur)
14476 }
14477 if !self.hover_state.focused(window, cx) {
14478 hide_hover(self, cx);
14479 }
14480
14481 self.hide_context_menu(window, cx);
14482 cx.emit(EditorEvent::Blurred);
14483 cx.notify();
14484 }
14485
14486 pub fn register_action<A: Action>(
14487 &mut self,
14488 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14489 ) -> Subscription {
14490 let id = self.next_editor_action_id.post_inc();
14491 let listener = Arc::new(listener);
14492 self.editor_actions.borrow_mut().insert(
14493 id,
14494 Box::new(move |window, _| {
14495 let listener = listener.clone();
14496 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14497 let action = action.downcast_ref().unwrap();
14498 if phase == DispatchPhase::Bubble {
14499 listener(action, window, cx)
14500 }
14501 })
14502 }),
14503 );
14504
14505 let editor_actions = self.editor_actions.clone();
14506 Subscription::new(move || {
14507 editor_actions.borrow_mut().remove(&id);
14508 })
14509 }
14510
14511 pub fn file_header_size(&self) -> u32 {
14512 FILE_HEADER_HEIGHT
14513 }
14514
14515 pub fn revert(
14516 &mut self,
14517 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14518 window: &mut Window,
14519 cx: &mut Context<Self>,
14520 ) {
14521 self.buffer().update(cx, |multi_buffer, cx| {
14522 for (buffer_id, changes) in revert_changes {
14523 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14524 buffer.update(cx, |buffer, cx| {
14525 buffer.edit(
14526 changes.into_iter().map(|(range, text)| {
14527 (range, text.to_string().map(Arc::<str>::from))
14528 }),
14529 None,
14530 cx,
14531 );
14532 });
14533 }
14534 }
14535 });
14536 self.change_selections(None, window, cx, |selections| selections.refresh());
14537 }
14538
14539 pub fn to_pixel_point(
14540 &self,
14541 source: multi_buffer::Anchor,
14542 editor_snapshot: &EditorSnapshot,
14543 window: &mut Window,
14544 ) -> Option<gpui::Point<Pixels>> {
14545 let source_point = source.to_display_point(editor_snapshot);
14546 self.display_to_pixel_point(source_point, editor_snapshot, window)
14547 }
14548
14549 pub fn display_to_pixel_point(
14550 &self,
14551 source: DisplayPoint,
14552 editor_snapshot: &EditorSnapshot,
14553 window: &mut Window,
14554 ) -> Option<gpui::Point<Pixels>> {
14555 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14556 let text_layout_details = self.text_layout_details(window);
14557 let scroll_top = text_layout_details
14558 .scroll_anchor
14559 .scroll_position(editor_snapshot)
14560 .y;
14561
14562 if source.row().as_f32() < scroll_top.floor() {
14563 return None;
14564 }
14565 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14566 let source_y = line_height * (source.row().as_f32() - scroll_top);
14567 Some(gpui::Point::new(source_x, source_y))
14568 }
14569
14570 pub fn has_visible_completions_menu(&self) -> bool {
14571 !self.previewing_inline_completion
14572 && self.context_menu.borrow().as_ref().map_or(false, |menu| {
14573 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14574 })
14575 }
14576
14577 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14578 self.addons
14579 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14580 }
14581
14582 pub fn unregister_addon<T: Addon>(&mut self) {
14583 self.addons.remove(&std::any::TypeId::of::<T>());
14584 }
14585
14586 pub fn addon<T: Addon>(&self) -> Option<&T> {
14587 let type_id = std::any::TypeId::of::<T>();
14588 self.addons
14589 .get(&type_id)
14590 .and_then(|item| item.to_any().downcast_ref::<T>())
14591 }
14592
14593 fn character_size(&self, window: &mut Window) -> gpui::Size<Pixels> {
14594 let text_layout_details = self.text_layout_details(window);
14595 let style = &text_layout_details.editor_style;
14596 let font_id = window.text_system().resolve_font(&style.text.font());
14597 let font_size = style.text.font_size.to_pixels(window.rem_size());
14598 let line_height = style.text.line_height_in_pixels(window.rem_size());
14599 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
14600
14601 gpui::Size::new(em_width, line_height)
14602 }
14603}
14604
14605fn get_uncommitted_diff_for_buffer(
14606 project: &Entity<Project>,
14607 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14608 buffer: Entity<MultiBuffer>,
14609 cx: &mut App,
14610) {
14611 let mut tasks = Vec::new();
14612 project.update(cx, |project, cx| {
14613 for buffer in buffers {
14614 tasks.push(project.open_uncommitted_diff(buffer.clone(), cx))
14615 }
14616 });
14617 cx.spawn(|mut cx| async move {
14618 let diffs = futures::future::join_all(tasks).await;
14619 buffer
14620 .update(&mut cx, |buffer, cx| {
14621 for diff in diffs.into_iter().flatten() {
14622 buffer.add_diff(diff, cx);
14623 }
14624 })
14625 .ok();
14626 })
14627 .detach();
14628}
14629
14630fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14631 let tab_size = tab_size.get() as usize;
14632 let mut width = offset;
14633
14634 for ch in text.chars() {
14635 width += if ch == '\t' {
14636 tab_size - (width % tab_size)
14637 } else {
14638 1
14639 };
14640 }
14641
14642 width - offset
14643}
14644
14645#[cfg(test)]
14646mod tests {
14647 use super::*;
14648
14649 #[test]
14650 fn test_string_size_with_expanded_tabs() {
14651 let nz = |val| NonZeroU32::new(val).unwrap();
14652 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14653 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14654 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14655 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14656 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14657 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14658 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14659 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14660 }
14661}
14662
14663/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14664struct WordBreakingTokenizer<'a> {
14665 input: &'a str,
14666}
14667
14668impl<'a> WordBreakingTokenizer<'a> {
14669 fn new(input: &'a str) -> Self {
14670 Self { input }
14671 }
14672}
14673
14674fn is_char_ideographic(ch: char) -> bool {
14675 use unicode_script::Script::*;
14676 use unicode_script::UnicodeScript;
14677 matches!(ch.script(), Han | Tangut | Yi)
14678}
14679
14680fn is_grapheme_ideographic(text: &str) -> bool {
14681 text.chars().any(is_char_ideographic)
14682}
14683
14684fn is_grapheme_whitespace(text: &str) -> bool {
14685 text.chars().any(|x| x.is_whitespace())
14686}
14687
14688fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14689 text.chars().next().map_or(false, |ch| {
14690 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14691 })
14692}
14693
14694#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14695struct WordBreakToken<'a> {
14696 token: &'a str,
14697 grapheme_len: usize,
14698 is_whitespace: bool,
14699}
14700
14701impl<'a> Iterator for WordBreakingTokenizer<'a> {
14702 /// Yields a span, the count of graphemes in the token, and whether it was
14703 /// whitespace. Note that it also breaks at word boundaries.
14704 type Item = WordBreakToken<'a>;
14705
14706 fn next(&mut self) -> Option<Self::Item> {
14707 use unicode_segmentation::UnicodeSegmentation;
14708 if self.input.is_empty() {
14709 return None;
14710 }
14711
14712 let mut iter = self.input.graphemes(true).peekable();
14713 let mut offset = 0;
14714 let mut graphemes = 0;
14715 if let Some(first_grapheme) = iter.next() {
14716 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14717 offset += first_grapheme.len();
14718 graphemes += 1;
14719 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14720 if let Some(grapheme) = iter.peek().copied() {
14721 if should_stay_with_preceding_ideograph(grapheme) {
14722 offset += grapheme.len();
14723 graphemes += 1;
14724 }
14725 }
14726 } else {
14727 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14728 let mut next_word_bound = words.peek().copied();
14729 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14730 next_word_bound = words.next();
14731 }
14732 while let Some(grapheme) = iter.peek().copied() {
14733 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14734 break;
14735 };
14736 if is_grapheme_whitespace(grapheme) != is_whitespace {
14737 break;
14738 };
14739 offset += grapheme.len();
14740 graphemes += 1;
14741 iter.next();
14742 }
14743 }
14744 let token = &self.input[..offset];
14745 self.input = &self.input[offset..];
14746 if is_whitespace {
14747 Some(WordBreakToken {
14748 token: " ",
14749 grapheme_len: 1,
14750 is_whitespace: true,
14751 })
14752 } else {
14753 Some(WordBreakToken {
14754 token,
14755 grapheme_len: graphemes,
14756 is_whitespace: false,
14757 })
14758 }
14759 } else {
14760 None
14761 }
14762 }
14763}
14764
14765#[test]
14766fn test_word_breaking_tokenizer() {
14767 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14768 ("", &[]),
14769 (" ", &[(" ", 1, true)]),
14770 ("Ʒ", &[("Ʒ", 1, false)]),
14771 ("Ǽ", &[("Ǽ", 1, false)]),
14772 ("⋑", &[("⋑", 1, false)]),
14773 ("⋑⋑", &[("⋑⋑", 2, false)]),
14774 (
14775 "原理，进而",
14776 &[
14777 ("原", 1, false),
14778 ("理，", 2, false),
14779 ("进", 1, false),
14780 ("而", 1, false),
14781 ],
14782 ),
14783 (
14784 "hello world",
14785 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14786 ),
14787 (
14788 "hello, world",
14789 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14790 ),
14791 (
14792 " hello world",
14793 &[
14794 (" ", 1, true),
14795 ("hello", 5, false),
14796 (" ", 1, true),
14797 ("world", 5, false),
14798 ],
14799 ),
14800 (
14801 "这是什么 \n 钢笔",
14802 &[
14803 ("这", 1, false),
14804 ("是", 1, false),
14805 ("什", 1, false),
14806 ("么", 1, false),
14807 (" ", 1, true),
14808 ("钢", 1, false),
14809 ("笔", 1, false),
14810 ],
14811 ),
14812 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14813 ];
14814
14815 for (input, result) in tests {
14816 assert_eq!(
14817 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14818 result
14819 .iter()
14820 .copied()
14821 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14822 token,
14823 grapheme_len,
14824 is_whitespace,
14825 })
14826 .collect::<Vec<_>>()
14827 );
14828 }
14829}
14830
14831fn wrap_with_prefix(
14832 line_prefix: String,
14833 unwrapped_text: String,
14834 wrap_column: usize,
14835 tab_size: NonZeroU32,
14836) -> String {
14837 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14838 let mut wrapped_text = String::new();
14839 let mut current_line = line_prefix.clone();
14840
14841 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14842 let mut current_line_len = line_prefix_len;
14843 for WordBreakToken {
14844 token,
14845 grapheme_len,
14846 is_whitespace,
14847 } in tokenizer
14848 {
14849 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
14850 wrapped_text.push_str(current_line.trim_end());
14851 wrapped_text.push('\n');
14852 current_line.truncate(line_prefix.len());
14853 current_line_len = line_prefix_len;
14854 if !is_whitespace {
14855 current_line.push_str(token);
14856 current_line_len += grapheme_len;
14857 }
14858 } else if !is_whitespace {
14859 current_line.push_str(token);
14860 current_line_len += grapheme_len;
14861 } else if current_line_len != line_prefix_len {
14862 current_line.push(' ');
14863 current_line_len += 1;
14864 }
14865 }
14866
14867 if !current_line.is_empty() {
14868 wrapped_text.push_str(¤t_line);
14869 }
14870 wrapped_text
14871}
14872
14873#[test]
14874fn test_wrap_with_prefix() {
14875 assert_eq!(
14876 wrap_with_prefix(
14877 "# ".to_string(),
14878 "abcdefg".to_string(),
14879 4,
14880 NonZeroU32::new(4).unwrap()
14881 ),
14882 "# abcdefg"
14883 );
14884 assert_eq!(
14885 wrap_with_prefix(
14886 "".to_string(),
14887 "\thello world".to_string(),
14888 8,
14889 NonZeroU32::new(4).unwrap()
14890 ),
14891 "hello\nworld"
14892 );
14893 assert_eq!(
14894 wrap_with_prefix(
14895 "// ".to_string(),
14896 "xx \nyy zz aa bb cc".to_string(),
14897 12,
14898 NonZeroU32::new(4).unwrap()
14899 ),
14900 "// xx yy zz\n// aa bb cc"
14901 );
14902 assert_eq!(
14903 wrap_with_prefix(
14904 String::new(),
14905 "这是什么 \n 钢笔".to_string(),
14906 3,
14907 NonZeroU32::new(4).unwrap()
14908 ),
14909 "这是什\n么 钢\n笔"
14910 );
14911}
14912
14913pub trait CollaborationHub {
14914 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
14915 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
14916 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
14917}
14918
14919impl CollaborationHub for Entity<Project> {
14920 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
14921 self.read(cx).collaborators()
14922 }
14923
14924 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
14925 self.read(cx).user_store().read(cx).participant_indices()
14926 }
14927
14928 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
14929 let this = self.read(cx);
14930 let user_ids = this.collaborators().values().map(|c| c.user_id);
14931 this.user_store().read_with(cx, |user_store, cx| {
14932 user_store.participant_names(user_ids, cx)
14933 })
14934 }
14935}
14936
14937pub trait SemanticsProvider {
14938 fn hover(
14939 &self,
14940 buffer: &Entity<Buffer>,
14941 position: text::Anchor,
14942 cx: &mut App,
14943 ) -> Option<Task<Vec<project::Hover>>>;
14944
14945 fn inlay_hints(
14946 &self,
14947 buffer_handle: Entity<Buffer>,
14948 range: Range<text::Anchor>,
14949 cx: &mut App,
14950 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
14951
14952 fn resolve_inlay_hint(
14953 &self,
14954 hint: InlayHint,
14955 buffer_handle: Entity<Buffer>,
14956 server_id: LanguageServerId,
14957 cx: &mut App,
14958 ) -> Option<Task<anyhow::Result<InlayHint>>>;
14959
14960 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
14961
14962 fn document_highlights(
14963 &self,
14964 buffer: &Entity<Buffer>,
14965 position: text::Anchor,
14966 cx: &mut App,
14967 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
14968
14969 fn definitions(
14970 &self,
14971 buffer: &Entity<Buffer>,
14972 position: text::Anchor,
14973 kind: GotoDefinitionKind,
14974 cx: &mut App,
14975 ) -> Option<Task<Result<Vec<LocationLink>>>>;
14976
14977 fn range_for_rename(
14978 &self,
14979 buffer: &Entity<Buffer>,
14980 position: text::Anchor,
14981 cx: &mut App,
14982 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
14983
14984 fn perform_rename(
14985 &self,
14986 buffer: &Entity<Buffer>,
14987 position: text::Anchor,
14988 new_name: String,
14989 cx: &mut App,
14990 ) -> Option<Task<Result<ProjectTransaction>>>;
14991}
14992
14993pub trait CompletionProvider {
14994 fn completions(
14995 &self,
14996 buffer: &Entity<Buffer>,
14997 buffer_position: text::Anchor,
14998 trigger: CompletionContext,
14999 window: &mut Window,
15000 cx: &mut Context<Editor>,
15001 ) -> Task<Result<Vec<Completion>>>;
15002
15003 fn resolve_completions(
15004 &self,
15005 buffer: Entity<Buffer>,
15006 completion_indices: Vec<usize>,
15007 completions: Rc<RefCell<Box<[Completion]>>>,
15008 cx: &mut Context<Editor>,
15009 ) -> Task<Result<bool>>;
15010
15011 fn apply_additional_edits_for_completion(
15012 &self,
15013 _buffer: Entity<Buffer>,
15014 _completions: Rc<RefCell<Box<[Completion]>>>,
15015 _completion_index: usize,
15016 _push_to_history: bool,
15017 _cx: &mut Context<Editor>,
15018 ) -> Task<Result<Option<language::Transaction>>> {
15019 Task::ready(Ok(None))
15020 }
15021
15022 fn is_completion_trigger(
15023 &self,
15024 buffer: &Entity<Buffer>,
15025 position: language::Anchor,
15026 text: &str,
15027 trigger_in_words: bool,
15028 cx: &mut Context<Editor>,
15029 ) -> bool;
15030
15031 fn sort_completions(&self) -> bool {
15032 true
15033 }
15034}
15035
15036pub trait CodeActionProvider {
15037 fn id(&self) -> Arc<str>;
15038
15039 fn code_actions(
15040 &self,
15041 buffer: &Entity<Buffer>,
15042 range: Range<text::Anchor>,
15043 window: &mut Window,
15044 cx: &mut App,
15045 ) -> Task<Result<Vec<CodeAction>>>;
15046
15047 fn apply_code_action(
15048 &self,
15049 buffer_handle: Entity<Buffer>,
15050 action: CodeAction,
15051 excerpt_id: ExcerptId,
15052 push_to_history: bool,
15053 window: &mut Window,
15054 cx: &mut App,
15055 ) -> Task<Result<ProjectTransaction>>;
15056}
15057
15058impl CodeActionProvider for Entity<Project> {
15059 fn id(&self) -> Arc<str> {
15060 "project".into()
15061 }
15062
15063 fn code_actions(
15064 &self,
15065 buffer: &Entity<Buffer>,
15066 range: Range<text::Anchor>,
15067 _window: &mut Window,
15068 cx: &mut App,
15069 ) -> Task<Result<Vec<CodeAction>>> {
15070 self.update(cx, |project, cx| {
15071 project.code_actions(buffer, range, None, cx)
15072 })
15073 }
15074
15075 fn apply_code_action(
15076 &self,
15077 buffer_handle: Entity<Buffer>,
15078 action: CodeAction,
15079 _excerpt_id: ExcerptId,
15080 push_to_history: bool,
15081 _window: &mut Window,
15082 cx: &mut App,
15083 ) -> Task<Result<ProjectTransaction>> {
15084 self.update(cx, |project, cx| {
15085 project.apply_code_action(buffer_handle, action, push_to_history, cx)
15086 })
15087 }
15088}
15089
15090fn snippet_completions(
15091 project: &Project,
15092 buffer: &Entity<Buffer>,
15093 buffer_position: text::Anchor,
15094 cx: &mut App,
15095) -> Task<Result<Vec<Completion>>> {
15096 let language = buffer.read(cx).language_at(buffer_position);
15097 let language_name = language.as_ref().map(|language| language.lsp_id());
15098 let snippet_store = project.snippets().read(cx);
15099 let snippets = snippet_store.snippets_for(language_name, cx);
15100
15101 if snippets.is_empty() {
15102 return Task::ready(Ok(vec![]));
15103 }
15104 let snapshot = buffer.read(cx).text_snapshot();
15105 let chars: String = snapshot
15106 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
15107 .collect();
15108
15109 let scope = language.map(|language| language.default_scope());
15110 let executor = cx.background_executor().clone();
15111
15112 cx.background_executor().spawn(async move {
15113 let classifier = CharClassifier::new(scope).for_completion(true);
15114 let mut last_word = chars
15115 .chars()
15116 .take_while(|c| classifier.is_word(*c))
15117 .collect::<String>();
15118 last_word = last_word.chars().rev().collect();
15119
15120 if last_word.is_empty() {
15121 return Ok(vec![]);
15122 }
15123
15124 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
15125 let to_lsp = |point: &text::Anchor| {
15126 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
15127 point_to_lsp(end)
15128 };
15129 let lsp_end = to_lsp(&buffer_position);
15130
15131 let candidates = snippets
15132 .iter()
15133 .enumerate()
15134 .flat_map(|(ix, snippet)| {
15135 snippet
15136 .prefix
15137 .iter()
15138 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
15139 })
15140 .collect::<Vec<StringMatchCandidate>>();
15141
15142 let mut matches = fuzzy::match_strings(
15143 &candidates,
15144 &last_word,
15145 last_word.chars().any(|c| c.is_uppercase()),
15146 100,
15147 &Default::default(),
15148 executor,
15149 )
15150 .await;
15151
15152 // Remove all candidates where the query's start does not match the start of any word in the candidate
15153 if let Some(query_start) = last_word.chars().next() {
15154 matches.retain(|string_match| {
15155 split_words(&string_match.string).any(|word| {
15156 // Check that the first codepoint of the word as lowercase matches the first
15157 // codepoint of the query as lowercase
15158 word.chars()
15159 .flat_map(|codepoint| codepoint.to_lowercase())
15160 .zip(query_start.to_lowercase())
15161 .all(|(word_cp, query_cp)| word_cp == query_cp)
15162 })
15163 });
15164 }
15165
15166 let matched_strings = matches
15167 .into_iter()
15168 .map(|m| m.string)
15169 .collect::<HashSet<_>>();
15170
15171 let result: Vec<Completion> = snippets
15172 .into_iter()
15173 .filter_map(|snippet| {
15174 let matching_prefix = snippet
15175 .prefix
15176 .iter()
15177 .find(|prefix| matched_strings.contains(*prefix))?;
15178 let start = as_offset - last_word.len();
15179 let start = snapshot.anchor_before(start);
15180 let range = start..buffer_position;
15181 let lsp_start = to_lsp(&start);
15182 let lsp_range = lsp::Range {
15183 start: lsp_start,
15184 end: lsp_end,
15185 };
15186 Some(Completion {
15187 old_range: range,
15188 new_text: snippet.body.clone(),
15189 resolved: false,
15190 label: CodeLabel {
15191 text: matching_prefix.clone(),
15192 runs: vec![],
15193 filter_range: 0..matching_prefix.len(),
15194 },
15195 server_id: LanguageServerId(usize::MAX),
15196 documentation: snippet
15197 .description
15198 .clone()
15199 .map(CompletionDocumentation::SingleLine),
15200 lsp_completion: lsp::CompletionItem {
15201 label: snippet.prefix.first().unwrap().clone(),
15202 kind: Some(CompletionItemKind::SNIPPET),
15203 label_details: snippet.description.as_ref().map(|description| {
15204 lsp::CompletionItemLabelDetails {
15205 detail: Some(description.clone()),
15206 description: None,
15207 }
15208 }),
15209 insert_text_format: Some(InsertTextFormat::SNIPPET),
15210 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
15211 lsp::InsertReplaceEdit {
15212 new_text: snippet.body.clone(),
15213 insert: lsp_range,
15214 replace: lsp_range,
15215 },
15216 )),
15217 filter_text: Some(snippet.body.clone()),
15218 sort_text: Some(char::MAX.to_string()),
15219 ..Default::default()
15220 },
15221 confirm: None,
15222 })
15223 })
15224 .collect();
15225
15226 Ok(result)
15227 })
15228}
15229
15230impl CompletionProvider for Entity<Project> {
15231 fn completions(
15232 &self,
15233 buffer: &Entity<Buffer>,
15234 buffer_position: text::Anchor,
15235 options: CompletionContext,
15236 _window: &mut Window,
15237 cx: &mut Context<Editor>,
15238 ) -> Task<Result<Vec<Completion>>> {
15239 self.update(cx, |project, cx| {
15240 let snippets = snippet_completions(project, buffer, buffer_position, cx);
15241 let project_completions = project.completions(buffer, buffer_position, options, cx);
15242 cx.background_executor().spawn(async move {
15243 let mut completions = project_completions.await?;
15244 let snippets_completions = snippets.await?;
15245 completions.extend(snippets_completions);
15246 Ok(completions)
15247 })
15248 })
15249 }
15250
15251 fn resolve_completions(
15252 &self,
15253 buffer: Entity<Buffer>,
15254 completion_indices: Vec<usize>,
15255 completions: Rc<RefCell<Box<[Completion]>>>,
15256 cx: &mut Context<Editor>,
15257 ) -> Task<Result<bool>> {
15258 self.update(cx, |project, cx| {
15259 project.lsp_store().update(cx, |lsp_store, cx| {
15260 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
15261 })
15262 })
15263 }
15264
15265 fn apply_additional_edits_for_completion(
15266 &self,
15267 buffer: Entity<Buffer>,
15268 completions: Rc<RefCell<Box<[Completion]>>>,
15269 completion_index: usize,
15270 push_to_history: bool,
15271 cx: &mut Context<Editor>,
15272 ) -> Task<Result<Option<language::Transaction>>> {
15273 self.update(cx, |project, cx| {
15274 project.lsp_store().update(cx, |lsp_store, cx| {
15275 lsp_store.apply_additional_edits_for_completion(
15276 buffer,
15277 completions,
15278 completion_index,
15279 push_to_history,
15280 cx,
15281 )
15282 })
15283 })
15284 }
15285
15286 fn is_completion_trigger(
15287 &self,
15288 buffer: &Entity<Buffer>,
15289 position: language::Anchor,
15290 text: &str,
15291 trigger_in_words: bool,
15292 cx: &mut Context<Editor>,
15293 ) -> bool {
15294 let mut chars = text.chars();
15295 let char = if let Some(char) = chars.next() {
15296 char
15297 } else {
15298 return false;
15299 };
15300 if chars.next().is_some() {
15301 return false;
15302 }
15303
15304 let buffer = buffer.read(cx);
15305 let snapshot = buffer.snapshot();
15306 if !snapshot.settings_at(position, cx).show_completions_on_input {
15307 return false;
15308 }
15309 let classifier = snapshot.char_classifier_at(position).for_completion(true);
15310 if trigger_in_words && classifier.is_word(char) {
15311 return true;
15312 }
15313
15314 buffer.completion_triggers().contains(text)
15315 }
15316}
15317
15318impl SemanticsProvider for Entity<Project> {
15319 fn hover(
15320 &self,
15321 buffer: &Entity<Buffer>,
15322 position: text::Anchor,
15323 cx: &mut App,
15324 ) -> Option<Task<Vec<project::Hover>>> {
15325 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
15326 }
15327
15328 fn document_highlights(
15329 &self,
15330 buffer: &Entity<Buffer>,
15331 position: text::Anchor,
15332 cx: &mut App,
15333 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
15334 Some(self.update(cx, |project, cx| {
15335 project.document_highlights(buffer, position, cx)
15336 }))
15337 }
15338
15339 fn definitions(
15340 &self,
15341 buffer: &Entity<Buffer>,
15342 position: text::Anchor,
15343 kind: GotoDefinitionKind,
15344 cx: &mut App,
15345 ) -> Option<Task<Result<Vec<LocationLink>>>> {
15346 Some(self.update(cx, |project, cx| match kind {
15347 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
15348 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
15349 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
15350 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
15351 }))
15352 }
15353
15354 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
15355 // TODO: make this work for remote projects
15356 self.read(cx)
15357 .language_servers_for_local_buffer(buffer.read(cx), cx)
15358 .any(
15359 |(_, server)| match server.capabilities().inlay_hint_provider {
15360 Some(lsp::OneOf::Left(enabled)) => enabled,
15361 Some(lsp::OneOf::Right(_)) => true,
15362 None => false,
15363 },
15364 )
15365 }
15366
15367 fn inlay_hints(
15368 &self,
15369 buffer_handle: Entity<Buffer>,
15370 range: Range<text::Anchor>,
15371 cx: &mut App,
15372 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
15373 Some(self.update(cx, |project, cx| {
15374 project.inlay_hints(buffer_handle, range, cx)
15375 }))
15376 }
15377
15378 fn resolve_inlay_hint(
15379 &self,
15380 hint: InlayHint,
15381 buffer_handle: Entity<Buffer>,
15382 server_id: LanguageServerId,
15383 cx: &mut App,
15384 ) -> Option<Task<anyhow::Result<InlayHint>>> {
15385 Some(self.update(cx, |project, cx| {
15386 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
15387 }))
15388 }
15389
15390 fn range_for_rename(
15391 &self,
15392 buffer: &Entity<Buffer>,
15393 position: text::Anchor,
15394 cx: &mut App,
15395 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
15396 Some(self.update(cx, |project, cx| {
15397 let buffer = buffer.clone();
15398 let task = project.prepare_rename(buffer.clone(), position, cx);
15399 cx.spawn(|_, mut cx| async move {
15400 Ok(match task.await? {
15401 PrepareRenameResponse::Success(range) => Some(range),
15402 PrepareRenameResponse::InvalidPosition => None,
15403 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
15404 // Fallback on using TreeSitter info to determine identifier range
15405 buffer.update(&mut cx, |buffer, _| {
15406 let snapshot = buffer.snapshot();
15407 let (range, kind) = snapshot.surrounding_word(position);
15408 if kind != Some(CharKind::Word) {
15409 return None;
15410 }
15411 Some(
15412 snapshot.anchor_before(range.start)
15413 ..snapshot.anchor_after(range.end),
15414 )
15415 })?
15416 }
15417 })
15418 })
15419 }))
15420 }
15421
15422 fn perform_rename(
15423 &self,
15424 buffer: &Entity<Buffer>,
15425 position: text::Anchor,
15426 new_name: String,
15427 cx: &mut App,
15428 ) -> Option<Task<Result<ProjectTransaction>>> {
15429 Some(self.update(cx, |project, cx| {
15430 project.perform_rename(buffer.clone(), position, new_name, cx)
15431 }))
15432 }
15433}
15434
15435fn inlay_hint_settings(
15436 location: Anchor,
15437 snapshot: &MultiBufferSnapshot,
15438 cx: &mut Context<Editor>,
15439) -> InlayHintSettings {
15440 let file = snapshot.file_at(location);
15441 let language = snapshot.language_at(location).map(|l| l.name());
15442 language_settings(language, file, cx).inlay_hints
15443}
15444
15445fn consume_contiguous_rows(
15446 contiguous_row_selections: &mut Vec<Selection<Point>>,
15447 selection: &Selection<Point>,
15448 display_map: &DisplaySnapshot,
15449 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
15450) -> (MultiBufferRow, MultiBufferRow) {
15451 contiguous_row_selections.push(selection.clone());
15452 let start_row = MultiBufferRow(selection.start.row);
15453 let mut end_row = ending_row(selection, display_map);
15454
15455 while let Some(next_selection) = selections.peek() {
15456 if next_selection.start.row <= end_row.0 {
15457 end_row = ending_row(next_selection, display_map);
15458 contiguous_row_selections.push(selections.next().unwrap().clone());
15459 } else {
15460 break;
15461 }
15462 }
15463 (start_row, end_row)
15464}
15465
15466fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
15467 if next_selection.end.column > 0 || next_selection.is_empty() {
15468 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
15469 } else {
15470 MultiBufferRow(next_selection.end.row)
15471 }
15472}
15473
15474impl EditorSnapshot {
15475 pub fn remote_selections_in_range<'a>(
15476 &'a self,
15477 range: &'a Range<Anchor>,
15478 collaboration_hub: &dyn CollaborationHub,
15479 cx: &'a App,
15480 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15481 let participant_names = collaboration_hub.user_names(cx);
15482 let participant_indices = collaboration_hub.user_participant_indices(cx);
15483 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15484 let collaborators_by_replica_id = collaborators_by_peer_id
15485 .iter()
15486 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15487 .collect::<HashMap<_, _>>();
15488 self.buffer_snapshot
15489 .selections_in_range(range, false)
15490 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15491 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15492 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15493 let user_name = participant_names.get(&collaborator.user_id).cloned();
15494 Some(RemoteSelection {
15495 replica_id,
15496 selection,
15497 cursor_shape,
15498 line_mode,
15499 participant_index,
15500 peer_id: collaborator.peer_id,
15501 user_name,
15502 })
15503 })
15504 }
15505
15506 pub fn hunks_for_ranges(
15507 &self,
15508 ranges: impl Iterator<Item = Range<Point>>,
15509 ) -> Vec<MultiBufferDiffHunk> {
15510 let mut hunks = Vec::new();
15511 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15512 HashMap::default();
15513 for query_range in ranges {
15514 let query_rows =
15515 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15516 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15517 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15518 ) {
15519 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15520 // when the caret is just above or just below the deleted hunk.
15521 let allow_adjacent = hunk.status() == DiffHunkStatus::Removed;
15522 let related_to_selection = if allow_adjacent {
15523 hunk.row_range.overlaps(&query_rows)
15524 || hunk.row_range.start == query_rows.end
15525 || hunk.row_range.end == query_rows.start
15526 } else {
15527 hunk.row_range.overlaps(&query_rows)
15528 };
15529 if related_to_selection {
15530 if !processed_buffer_rows
15531 .entry(hunk.buffer_id)
15532 .or_default()
15533 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15534 {
15535 continue;
15536 }
15537 hunks.push(hunk);
15538 }
15539 }
15540 }
15541
15542 hunks
15543 }
15544
15545 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15546 self.display_snapshot.buffer_snapshot.language_at(position)
15547 }
15548
15549 pub fn is_focused(&self) -> bool {
15550 self.is_focused
15551 }
15552
15553 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15554 self.placeholder_text.as_ref()
15555 }
15556
15557 pub fn scroll_position(&self) -> gpui::Point<f32> {
15558 self.scroll_anchor.scroll_position(&self.display_snapshot)
15559 }
15560
15561 fn gutter_dimensions(
15562 &self,
15563 font_id: FontId,
15564 font_size: Pixels,
15565 max_line_number_width: Pixels,
15566 cx: &App,
15567 ) -> Option<GutterDimensions> {
15568 if !self.show_gutter {
15569 return None;
15570 }
15571
15572 let descent = cx.text_system().descent(font_id, font_size);
15573 let em_width = cx.text_system().em_width(font_id, font_size).log_err()?;
15574 let em_advance = cx.text_system().em_advance(font_id, font_size).log_err()?;
15575
15576 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15577 matches!(
15578 ProjectSettings::get_global(cx).git.git_gutter,
15579 Some(GitGutterSetting::TrackedFiles)
15580 )
15581 });
15582 let gutter_settings = EditorSettings::get_global(cx).gutter;
15583 let show_line_numbers = self
15584 .show_line_numbers
15585 .unwrap_or(gutter_settings.line_numbers);
15586 let line_gutter_width = if show_line_numbers {
15587 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15588 let min_width_for_number_on_gutter = em_advance * 4.0;
15589 max_line_number_width.max(min_width_for_number_on_gutter)
15590 } else {
15591 0.0.into()
15592 };
15593
15594 let show_code_actions = self
15595 .show_code_actions
15596 .unwrap_or(gutter_settings.code_actions);
15597
15598 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15599
15600 let git_blame_entries_width =
15601 self.git_blame_gutter_max_author_length
15602 .map(|max_author_length| {
15603 const MAX_RELATIVE_TIMESTAMP: &str = "60 minutes ago";
15604
15605 /// The number of characters to dedicate to gaps and margins.
15606 const SPACING_WIDTH: usize = 4;
15607
15608 let max_char_count = max_author_length
15609 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15610 + ::git::SHORT_SHA_LENGTH
15611 + MAX_RELATIVE_TIMESTAMP.len()
15612 + SPACING_WIDTH;
15613
15614 em_advance * max_char_count
15615 });
15616
15617 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15618 left_padding += if show_code_actions || show_runnables {
15619 em_width * 3.0
15620 } else if show_git_gutter && show_line_numbers {
15621 em_width * 2.0
15622 } else if show_git_gutter || show_line_numbers {
15623 em_width
15624 } else {
15625 px(0.)
15626 };
15627
15628 let right_padding = if gutter_settings.folds && show_line_numbers {
15629 em_width * 4.0
15630 } else if gutter_settings.folds {
15631 em_width * 3.0
15632 } else if show_line_numbers {
15633 em_width
15634 } else {
15635 px(0.)
15636 };
15637
15638 Some(GutterDimensions {
15639 left_padding,
15640 right_padding,
15641 width: line_gutter_width + left_padding + right_padding,
15642 margin: -descent,
15643 git_blame_entries_width,
15644 })
15645 }
15646
15647 pub fn render_crease_toggle(
15648 &self,
15649 buffer_row: MultiBufferRow,
15650 row_contains_cursor: bool,
15651 editor: Entity<Editor>,
15652 window: &mut Window,
15653 cx: &mut App,
15654 ) -> Option<AnyElement> {
15655 let folded = self.is_line_folded(buffer_row);
15656 let mut is_foldable = false;
15657
15658 if let Some(crease) = self
15659 .crease_snapshot
15660 .query_row(buffer_row, &self.buffer_snapshot)
15661 {
15662 is_foldable = true;
15663 match crease {
15664 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15665 if let Some(render_toggle) = render_toggle {
15666 let toggle_callback =
15667 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15668 if folded {
15669 editor.update(cx, |editor, cx| {
15670 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15671 });
15672 } else {
15673 editor.update(cx, |editor, cx| {
15674 editor.unfold_at(
15675 &crate::UnfoldAt { buffer_row },
15676 window,
15677 cx,
15678 )
15679 });
15680 }
15681 });
15682 return Some((render_toggle)(
15683 buffer_row,
15684 folded,
15685 toggle_callback,
15686 window,
15687 cx,
15688 ));
15689 }
15690 }
15691 }
15692 }
15693
15694 is_foldable |= self.starts_indent(buffer_row);
15695
15696 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15697 Some(
15698 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15699 .toggle_state(folded)
15700 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15701 if folded {
15702 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15703 } else {
15704 this.fold_at(&FoldAt { buffer_row }, window, cx);
15705 }
15706 }))
15707 .into_any_element(),
15708 )
15709 } else {
15710 None
15711 }
15712 }
15713
15714 pub fn render_crease_trailer(
15715 &self,
15716 buffer_row: MultiBufferRow,
15717 window: &mut Window,
15718 cx: &mut App,
15719 ) -> Option<AnyElement> {
15720 let folded = self.is_line_folded(buffer_row);
15721 if let Crease::Inline { render_trailer, .. } = self
15722 .crease_snapshot
15723 .query_row(buffer_row, &self.buffer_snapshot)?
15724 {
15725 let render_trailer = render_trailer.as_ref()?;
15726 Some(render_trailer(buffer_row, folded, window, cx))
15727 } else {
15728 None
15729 }
15730 }
15731}
15732
15733impl Deref for EditorSnapshot {
15734 type Target = DisplaySnapshot;
15735
15736 fn deref(&self) -> &Self::Target {
15737 &self.display_snapshot
15738 }
15739}
15740
15741#[derive(Clone, Debug, PartialEq, Eq)]
15742pub enum EditorEvent {
15743 InputIgnored {
15744 text: Arc<str>,
15745 },
15746 InputHandled {
15747 utf16_range_to_replace: Option<Range<isize>>,
15748 text: Arc<str>,
15749 },
15750 ExcerptsAdded {
15751 buffer: Entity<Buffer>,
15752 predecessor: ExcerptId,
15753 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15754 },
15755 ExcerptsRemoved {
15756 ids: Vec<ExcerptId>,
15757 },
15758 BufferFoldToggled {
15759 ids: Vec<ExcerptId>,
15760 folded: bool,
15761 },
15762 ExcerptsEdited {
15763 ids: Vec<ExcerptId>,
15764 },
15765 ExcerptsExpanded {
15766 ids: Vec<ExcerptId>,
15767 },
15768 BufferEdited,
15769 Edited {
15770 transaction_id: clock::Lamport,
15771 },
15772 Reparsed(BufferId),
15773 Focused,
15774 FocusedIn,
15775 Blurred,
15776 DirtyChanged,
15777 Saved,
15778 TitleChanged,
15779 DiffBaseChanged,
15780 SelectionsChanged {
15781 local: bool,
15782 },
15783 ScrollPositionChanged {
15784 local: bool,
15785 autoscroll: bool,
15786 },
15787 Closed,
15788 TransactionUndone {
15789 transaction_id: clock::Lamport,
15790 },
15791 TransactionBegun {
15792 transaction_id: clock::Lamport,
15793 },
15794 Reloaded,
15795 CursorShapeChanged,
15796}
15797
15798impl EventEmitter<EditorEvent> for Editor {}
15799
15800impl Focusable for Editor {
15801 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15802 self.focus_handle.clone()
15803 }
15804}
15805
15806impl Render for Editor {
15807 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15808 let settings = ThemeSettings::get_global(cx);
15809
15810 let mut text_style = match self.mode {
15811 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15812 color: cx.theme().colors().editor_foreground,
15813 font_family: settings.ui_font.family.clone(),
15814 font_features: settings.ui_font.features.clone(),
15815 font_fallbacks: settings.ui_font.fallbacks.clone(),
15816 font_size: rems(0.875).into(),
15817 font_weight: settings.ui_font.weight,
15818 line_height: relative(settings.buffer_line_height.value()),
15819 ..Default::default()
15820 },
15821 EditorMode::Full => TextStyle {
15822 color: cx.theme().colors().editor_foreground,
15823 font_family: settings.buffer_font.family.clone(),
15824 font_features: settings.buffer_font.features.clone(),
15825 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15826 font_size: settings.buffer_font_size().into(),
15827 font_weight: settings.buffer_font.weight,
15828 line_height: relative(settings.buffer_line_height.value()),
15829 ..Default::default()
15830 },
15831 };
15832 if let Some(text_style_refinement) = &self.text_style_refinement {
15833 text_style.refine(text_style_refinement)
15834 }
15835
15836 let background = match self.mode {
15837 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15838 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15839 EditorMode::Full => cx.theme().colors().editor_background,
15840 };
15841
15842 EditorElement::new(
15843 &cx.entity(),
15844 EditorStyle {
15845 background,
15846 local_player: cx.theme().players().local(),
15847 text: text_style,
15848 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
15849 syntax: cx.theme().syntax().clone(),
15850 status: cx.theme().status().clone(),
15851 inlay_hints_style: make_inlay_hints_style(cx),
15852 inline_completion_styles: make_suggestion_styles(cx),
15853 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
15854 },
15855 )
15856 }
15857}
15858
15859impl EntityInputHandler for Editor {
15860 fn text_for_range(
15861 &mut self,
15862 range_utf16: Range<usize>,
15863 adjusted_range: &mut Option<Range<usize>>,
15864 _: &mut Window,
15865 cx: &mut Context<Self>,
15866 ) -> Option<String> {
15867 let snapshot = self.buffer.read(cx).read(cx);
15868 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
15869 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
15870 if (start.0..end.0) != range_utf16 {
15871 adjusted_range.replace(start.0..end.0);
15872 }
15873 Some(snapshot.text_for_range(start..end).collect())
15874 }
15875
15876 fn selected_text_range(
15877 &mut self,
15878 ignore_disabled_input: bool,
15879 _: &mut Window,
15880 cx: &mut Context<Self>,
15881 ) -> Option<UTF16Selection> {
15882 // Prevent the IME menu from appearing when holding down an alphabetic key
15883 // while input is disabled.
15884 if !ignore_disabled_input && !self.input_enabled {
15885 return None;
15886 }
15887
15888 let selection = self.selections.newest::<OffsetUtf16>(cx);
15889 let range = selection.range();
15890
15891 Some(UTF16Selection {
15892 range: range.start.0..range.end.0,
15893 reversed: selection.reversed,
15894 })
15895 }
15896
15897 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
15898 let snapshot = self.buffer.read(cx).read(cx);
15899 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
15900 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
15901 }
15902
15903 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
15904 self.clear_highlights::<InputComposition>(cx);
15905 self.ime_transaction.take();
15906 }
15907
15908 fn replace_text_in_range(
15909 &mut self,
15910 range_utf16: Option<Range<usize>>,
15911 text: &str,
15912 window: &mut Window,
15913 cx: &mut Context<Self>,
15914 ) {
15915 if !self.input_enabled {
15916 cx.emit(EditorEvent::InputIgnored { text: text.into() });
15917 return;
15918 }
15919
15920 self.transact(window, cx, |this, window, cx| {
15921 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
15922 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15923 Some(this.selection_replacement_ranges(range_utf16, cx))
15924 } else {
15925 this.marked_text_ranges(cx)
15926 };
15927
15928 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
15929 let newest_selection_id = this.selections.newest_anchor().id;
15930 this.selections
15931 .all::<OffsetUtf16>(cx)
15932 .iter()
15933 .zip(ranges_to_replace.iter())
15934 .find_map(|(selection, range)| {
15935 if selection.id == newest_selection_id {
15936 Some(
15937 (range.start.0 as isize - selection.head().0 as isize)
15938 ..(range.end.0 as isize - selection.head().0 as isize),
15939 )
15940 } else {
15941 None
15942 }
15943 })
15944 });
15945
15946 cx.emit(EditorEvent::InputHandled {
15947 utf16_range_to_replace: range_to_replace,
15948 text: text.into(),
15949 });
15950
15951 if let Some(new_selected_ranges) = new_selected_ranges {
15952 this.change_selections(None, window, cx, |selections| {
15953 selections.select_ranges(new_selected_ranges)
15954 });
15955 this.backspace(&Default::default(), window, cx);
15956 }
15957
15958 this.handle_input(text, window, cx);
15959 });
15960
15961 if let Some(transaction) = self.ime_transaction {
15962 self.buffer.update(cx, |buffer, cx| {
15963 buffer.group_until_transaction(transaction, cx);
15964 });
15965 }
15966
15967 self.unmark_text(window, cx);
15968 }
15969
15970 fn replace_and_mark_text_in_range(
15971 &mut self,
15972 range_utf16: Option<Range<usize>>,
15973 text: &str,
15974 new_selected_range_utf16: Option<Range<usize>>,
15975 window: &mut Window,
15976 cx: &mut Context<Self>,
15977 ) {
15978 if !self.input_enabled {
15979 return;
15980 }
15981
15982 let transaction = self.transact(window, cx, |this, window, cx| {
15983 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
15984 let snapshot = this.buffer.read(cx).read(cx);
15985 if let Some(relative_range_utf16) = range_utf16.as_ref() {
15986 for marked_range in &mut marked_ranges {
15987 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
15988 marked_range.start.0 += relative_range_utf16.start;
15989 marked_range.start =
15990 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
15991 marked_range.end =
15992 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
15993 }
15994 }
15995 Some(marked_ranges)
15996 } else if let Some(range_utf16) = range_utf16 {
15997 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15998 Some(this.selection_replacement_ranges(range_utf16, cx))
15999 } else {
16000 None
16001 };
16002
16003 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
16004 let newest_selection_id = this.selections.newest_anchor().id;
16005 this.selections
16006 .all::<OffsetUtf16>(cx)
16007 .iter()
16008 .zip(ranges_to_replace.iter())
16009 .find_map(|(selection, range)| {
16010 if selection.id == newest_selection_id {
16011 Some(
16012 (range.start.0 as isize - selection.head().0 as isize)
16013 ..(range.end.0 as isize - selection.head().0 as isize),
16014 )
16015 } else {
16016 None
16017 }
16018 })
16019 });
16020
16021 cx.emit(EditorEvent::InputHandled {
16022 utf16_range_to_replace: range_to_replace,
16023 text: text.into(),
16024 });
16025
16026 if let Some(ranges) = ranges_to_replace {
16027 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
16028 }
16029
16030 let marked_ranges = {
16031 let snapshot = this.buffer.read(cx).read(cx);
16032 this.selections
16033 .disjoint_anchors()
16034 .iter()
16035 .map(|selection| {
16036 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
16037 })
16038 .collect::<Vec<_>>()
16039 };
16040
16041 if text.is_empty() {
16042 this.unmark_text(window, cx);
16043 } else {
16044 this.highlight_text::<InputComposition>(
16045 marked_ranges.clone(),
16046 HighlightStyle {
16047 underline: Some(UnderlineStyle {
16048 thickness: px(1.),
16049 color: None,
16050 wavy: false,
16051 }),
16052 ..Default::default()
16053 },
16054 cx,
16055 );
16056 }
16057
16058 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
16059 let use_autoclose = this.use_autoclose;
16060 let use_auto_surround = this.use_auto_surround;
16061 this.set_use_autoclose(false);
16062 this.set_use_auto_surround(false);
16063 this.handle_input(text, window, cx);
16064 this.set_use_autoclose(use_autoclose);
16065 this.set_use_auto_surround(use_auto_surround);
16066
16067 if let Some(new_selected_range) = new_selected_range_utf16 {
16068 let snapshot = this.buffer.read(cx).read(cx);
16069 let new_selected_ranges = marked_ranges
16070 .into_iter()
16071 .map(|marked_range| {
16072 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
16073 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
16074 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
16075 snapshot.clip_offset_utf16(new_start, Bias::Left)
16076 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
16077 })
16078 .collect::<Vec<_>>();
16079
16080 drop(snapshot);
16081 this.change_selections(None, window, cx, |selections| {
16082 selections.select_ranges(new_selected_ranges)
16083 });
16084 }
16085 });
16086
16087 self.ime_transaction = self.ime_transaction.or(transaction);
16088 if let Some(transaction) = self.ime_transaction {
16089 self.buffer.update(cx, |buffer, cx| {
16090 buffer.group_until_transaction(transaction, cx);
16091 });
16092 }
16093
16094 if self.text_highlights::<InputComposition>(cx).is_none() {
16095 self.ime_transaction.take();
16096 }
16097 }
16098
16099 fn bounds_for_range(
16100 &mut self,
16101 range_utf16: Range<usize>,
16102 element_bounds: gpui::Bounds<Pixels>,
16103 window: &mut Window,
16104 cx: &mut Context<Self>,
16105 ) -> Option<gpui::Bounds<Pixels>> {
16106 let text_layout_details = self.text_layout_details(window);
16107 let gpui::Size {
16108 width: em_width,
16109 height: line_height,
16110 } = self.character_size(window);
16111
16112 let snapshot = self.snapshot(window, cx);
16113 let scroll_position = snapshot.scroll_position();
16114 let scroll_left = scroll_position.x * em_width;
16115
16116 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
16117 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
16118 + self.gutter_dimensions.width
16119 + self.gutter_dimensions.margin;
16120 let y = line_height * (start.row().as_f32() - scroll_position.y);
16121
16122 Some(Bounds {
16123 origin: element_bounds.origin + point(x, y),
16124 size: size(em_width, line_height),
16125 })
16126 }
16127
16128 fn character_index_for_point(
16129 &mut self,
16130 point: gpui::Point<Pixels>,
16131 _window: &mut Window,
16132 _cx: &mut Context<Self>,
16133 ) -> Option<usize> {
16134 let position_map = self.last_position_map.as_ref()?;
16135 if !position_map.text_hitbox.contains(&point) {
16136 return None;
16137 }
16138 let display_point = position_map.point_for_position(point).previous_valid;
16139 let anchor = position_map
16140 .snapshot
16141 .display_point_to_anchor(display_point, Bias::Left);
16142 let utf16_offset = anchor.to_offset_utf16(&position_map.snapshot.buffer_snapshot);
16143 Some(utf16_offset.0)
16144 }
16145}
16146
16147trait SelectionExt {
16148 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
16149 fn spanned_rows(
16150 &self,
16151 include_end_if_at_line_start: bool,
16152 map: &DisplaySnapshot,
16153 ) -> Range<MultiBufferRow>;
16154}
16155
16156impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
16157 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
16158 let start = self
16159 .start
16160 .to_point(&map.buffer_snapshot)
16161 .to_display_point(map);
16162 let end = self
16163 .end
16164 .to_point(&map.buffer_snapshot)
16165 .to_display_point(map);
16166 if self.reversed {
16167 end..start
16168 } else {
16169 start..end
16170 }
16171 }
16172
16173 fn spanned_rows(
16174 &self,
16175 include_end_if_at_line_start: bool,
16176 map: &DisplaySnapshot,
16177 ) -> Range<MultiBufferRow> {
16178 let start = self.start.to_point(&map.buffer_snapshot);
16179 let mut end = self.end.to_point(&map.buffer_snapshot);
16180 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
16181 end.row -= 1;
16182 }
16183
16184 let buffer_start = map.prev_line_boundary(start).0;
16185 let buffer_end = map.next_line_boundary(end).0;
16186 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
16187 }
16188}
16189
16190impl<T: InvalidationRegion> InvalidationStack<T> {
16191 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
16192 where
16193 S: Clone + ToOffset,
16194 {
16195 while let Some(region) = self.last() {
16196 let all_selections_inside_invalidation_ranges =
16197 if selections.len() == region.ranges().len() {
16198 selections
16199 .iter()
16200 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
16201 .all(|(selection, invalidation_range)| {
16202 let head = selection.head().to_offset(buffer);
16203 invalidation_range.start <= head && invalidation_range.end >= head
16204 })
16205 } else {
16206 false
16207 };
16208
16209 if all_selections_inside_invalidation_ranges {
16210 break;
16211 } else {
16212 self.pop();
16213 }
16214 }
16215 }
16216}
16217
16218impl<T> Default for InvalidationStack<T> {
16219 fn default() -> Self {
16220 Self(Default::default())
16221 }
16222}
16223
16224impl<T> Deref for InvalidationStack<T> {
16225 type Target = Vec<T>;
16226
16227 fn deref(&self) -> &Self::Target {
16228 &self.0
16229 }
16230}
16231
16232impl<T> DerefMut for InvalidationStack<T> {
16233 fn deref_mut(&mut self) -> &mut Self::Target {
16234 &mut self.0
16235 }
16236}
16237
16238impl InvalidationRegion for SnippetState {
16239 fn ranges(&self) -> &[Range<Anchor>] {
16240 &self.ranges[self.active_index]
16241 }
16242}
16243
16244pub fn diagnostic_block_renderer(
16245 diagnostic: Diagnostic,
16246 max_message_rows: Option<u8>,
16247 allow_closing: bool,
16248 _is_valid: bool,
16249) -> RenderBlock {
16250 let (text_without_backticks, code_ranges) =
16251 highlight_diagnostic_message(&diagnostic, max_message_rows);
16252
16253 Arc::new(move |cx: &mut BlockContext| {
16254 let group_id: SharedString = cx.block_id.to_string().into();
16255
16256 let mut text_style = cx.window.text_style().clone();
16257 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
16258 let theme_settings = ThemeSettings::get_global(cx);
16259 text_style.font_family = theme_settings.buffer_font.family.clone();
16260 text_style.font_style = theme_settings.buffer_font.style;
16261 text_style.font_features = theme_settings.buffer_font.features.clone();
16262 text_style.font_weight = theme_settings.buffer_font.weight;
16263
16264 let multi_line_diagnostic = diagnostic.message.contains('\n');
16265
16266 let buttons = |diagnostic: &Diagnostic| {
16267 if multi_line_diagnostic {
16268 v_flex()
16269 } else {
16270 h_flex()
16271 }
16272 .when(allow_closing, |div| {
16273 div.children(diagnostic.is_primary.then(|| {
16274 IconButton::new("close-block", IconName::XCircle)
16275 .icon_color(Color::Muted)
16276 .size(ButtonSize::Compact)
16277 .style(ButtonStyle::Transparent)
16278 .visible_on_hover(group_id.clone())
16279 .on_click(move |_click, window, cx| {
16280 window.dispatch_action(Box::new(Cancel), cx)
16281 })
16282 .tooltip(|window, cx| {
16283 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
16284 })
16285 }))
16286 })
16287 .child(
16288 IconButton::new("copy-block", IconName::Copy)
16289 .icon_color(Color::Muted)
16290 .size(ButtonSize::Compact)
16291 .style(ButtonStyle::Transparent)
16292 .visible_on_hover(group_id.clone())
16293 .on_click({
16294 let message = diagnostic.message.clone();
16295 move |_click, _, cx| {
16296 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
16297 }
16298 })
16299 .tooltip(Tooltip::text("Copy diagnostic message")),
16300 )
16301 };
16302
16303 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
16304 AvailableSpace::min_size(),
16305 cx.window,
16306 cx.app,
16307 );
16308
16309 h_flex()
16310 .id(cx.block_id)
16311 .group(group_id.clone())
16312 .relative()
16313 .size_full()
16314 .block_mouse_down()
16315 .pl(cx.gutter_dimensions.width)
16316 .w(cx.max_width - cx.gutter_dimensions.full_width())
16317 .child(
16318 div()
16319 .flex()
16320 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
16321 .flex_shrink(),
16322 )
16323 .child(buttons(&diagnostic))
16324 .child(div().flex().flex_shrink_0().child(
16325 StyledText::new(text_without_backticks.clone()).with_highlights(
16326 &text_style,
16327 code_ranges.iter().map(|range| {
16328 (
16329 range.clone(),
16330 HighlightStyle {
16331 font_weight: Some(FontWeight::BOLD),
16332 ..Default::default()
16333 },
16334 )
16335 }),
16336 ),
16337 ))
16338 .into_any_element()
16339 })
16340}
16341
16342fn inline_completion_edit_text(
16343 current_snapshot: &BufferSnapshot,
16344 edits: &[(Range<Anchor>, String)],
16345 edit_preview: &EditPreview,
16346 include_deletions: bool,
16347 cx: &App,
16348) -> HighlightedText {
16349 let edits = edits
16350 .iter()
16351 .map(|(anchor, text)| {
16352 (
16353 anchor.start.text_anchor..anchor.end.text_anchor,
16354 text.clone(),
16355 )
16356 })
16357 .collect::<Vec<_>>();
16358
16359 edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx)
16360}
16361
16362pub fn highlight_diagnostic_message(
16363 diagnostic: &Diagnostic,
16364 mut max_message_rows: Option<u8>,
16365) -> (SharedString, Vec<Range<usize>>) {
16366 let mut text_without_backticks = String::new();
16367 let mut code_ranges = Vec::new();
16368
16369 if let Some(source) = &diagnostic.source {
16370 text_without_backticks.push_str(source);
16371 code_ranges.push(0..source.len());
16372 text_without_backticks.push_str(": ");
16373 }
16374
16375 let mut prev_offset = 0;
16376 let mut in_code_block = false;
16377 let has_row_limit = max_message_rows.is_some();
16378 let mut newline_indices = diagnostic
16379 .message
16380 .match_indices('\n')
16381 .filter(|_| has_row_limit)
16382 .map(|(ix, _)| ix)
16383 .fuse()
16384 .peekable();
16385
16386 for (quote_ix, _) in diagnostic
16387 .message
16388 .match_indices('`')
16389 .chain([(diagnostic.message.len(), "")])
16390 {
16391 let mut first_newline_ix = None;
16392 let mut last_newline_ix = None;
16393 while let Some(newline_ix) = newline_indices.peek() {
16394 if *newline_ix < quote_ix {
16395 if first_newline_ix.is_none() {
16396 first_newline_ix = Some(*newline_ix);
16397 }
16398 last_newline_ix = Some(*newline_ix);
16399
16400 if let Some(rows_left) = &mut max_message_rows {
16401 if *rows_left == 0 {
16402 break;
16403 } else {
16404 *rows_left -= 1;
16405 }
16406 }
16407 let _ = newline_indices.next();
16408 } else {
16409 break;
16410 }
16411 }
16412 let prev_len = text_without_backticks.len();
16413 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
16414 text_without_backticks.push_str(new_text);
16415 if in_code_block {
16416 code_ranges.push(prev_len..text_without_backticks.len());
16417 }
16418 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
16419 in_code_block = !in_code_block;
16420 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
16421 text_without_backticks.push_str("...");
16422 break;
16423 }
16424 }
16425
16426 (text_without_backticks.into(), code_ranges)
16427}
16428
16429fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
16430 match severity {
16431 DiagnosticSeverity::ERROR => colors.error,
16432 DiagnosticSeverity::WARNING => colors.warning,
16433 DiagnosticSeverity::INFORMATION => colors.info,
16434 DiagnosticSeverity::HINT => colors.info,
16435 _ => colors.ignored,
16436 }
16437}
16438
16439pub fn styled_runs_for_code_label<'a>(
16440 label: &'a CodeLabel,
16441 syntax_theme: &'a theme::SyntaxTheme,
16442) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
16443 let fade_out = HighlightStyle {
16444 fade_out: Some(0.35),
16445 ..Default::default()
16446 };
16447
16448 let mut prev_end = label.filter_range.end;
16449 label
16450 .runs
16451 .iter()
16452 .enumerate()
16453 .flat_map(move |(ix, (range, highlight_id))| {
16454 let style = if let Some(style) = highlight_id.style(syntax_theme) {
16455 style
16456 } else {
16457 return Default::default();
16458 };
16459 let mut muted_style = style;
16460 muted_style.highlight(fade_out);
16461
16462 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
16463 if range.start >= label.filter_range.end {
16464 if range.start > prev_end {
16465 runs.push((prev_end..range.start, fade_out));
16466 }
16467 runs.push((range.clone(), muted_style));
16468 } else if range.end <= label.filter_range.end {
16469 runs.push((range.clone(), style));
16470 } else {
16471 runs.push((range.start..label.filter_range.end, style));
16472 runs.push((label.filter_range.end..range.end, muted_style));
16473 }
16474 prev_end = cmp::max(prev_end, range.end);
16475
16476 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
16477 runs.push((prev_end..label.text.len(), fade_out));
16478 }
16479
16480 runs
16481 })
16482}
16483
16484pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16485 let mut prev_index = 0;
16486 let mut prev_codepoint: Option<char> = None;
16487 text.char_indices()
16488 .chain([(text.len(), '\0')])
16489 .filter_map(move |(index, codepoint)| {
16490 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16491 let is_boundary = index == text.len()
16492 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16493 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16494 if is_boundary {
16495 let chunk = &text[prev_index..index];
16496 prev_index = index;
16497 Some(chunk)
16498 } else {
16499 None
16500 }
16501 })
16502}
16503
16504pub trait RangeToAnchorExt: Sized {
16505 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16506
16507 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16508 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16509 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16510 }
16511}
16512
16513impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16514 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16515 let start_offset = self.start.to_offset(snapshot);
16516 let end_offset = self.end.to_offset(snapshot);
16517 if start_offset == end_offset {
16518 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16519 } else {
16520 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16521 }
16522 }
16523}
16524
16525pub trait RowExt {
16526 fn as_f32(&self) -> f32;
16527
16528 fn next_row(&self) -> Self;
16529
16530 fn previous_row(&self) -> Self;
16531
16532 fn minus(&self, other: Self) -> u32;
16533}
16534
16535impl RowExt for DisplayRow {
16536 fn as_f32(&self) -> f32 {
16537 self.0 as f32
16538 }
16539
16540 fn next_row(&self) -> Self {
16541 Self(self.0 + 1)
16542 }
16543
16544 fn previous_row(&self) -> Self {
16545 Self(self.0.saturating_sub(1))
16546 }
16547
16548 fn minus(&self, other: Self) -> u32 {
16549 self.0 - other.0
16550 }
16551}
16552
16553impl RowExt for MultiBufferRow {
16554 fn as_f32(&self) -> f32 {
16555 self.0 as f32
16556 }
16557
16558 fn next_row(&self) -> Self {
16559 Self(self.0 + 1)
16560 }
16561
16562 fn previous_row(&self) -> Self {
16563 Self(self.0.saturating_sub(1))
16564 }
16565
16566 fn minus(&self, other: Self) -> u32 {
16567 self.0 - other.0
16568 }
16569}
16570
16571trait RowRangeExt {
16572 type Row;
16573
16574 fn len(&self) -> usize;
16575
16576 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16577}
16578
16579impl RowRangeExt for Range<MultiBufferRow> {
16580 type Row = MultiBufferRow;
16581
16582 fn len(&self) -> usize {
16583 (self.end.0 - self.start.0) as usize
16584 }
16585
16586 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16587 (self.start.0..self.end.0).map(MultiBufferRow)
16588 }
16589}
16590
16591impl RowRangeExt for Range<DisplayRow> {
16592 type Row = DisplayRow;
16593
16594 fn len(&self) -> usize {
16595 (self.end.0 - self.start.0) as usize
16596 }
16597
16598 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16599 (self.start.0..self.end.0).map(DisplayRow)
16600 }
16601}
16602
16603/// If select range has more than one line, we
16604/// just point the cursor to range.start.
16605fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16606 if range.start.row == range.end.row {
16607 range
16608 } else {
16609 range.start..range.start
16610 }
16611}
16612pub struct KillRing(ClipboardItem);
16613impl Global for KillRing {}
16614
16615const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16616
16617fn all_edits_insertions_or_deletions(
16618 edits: &Vec<(Range<Anchor>, String)>,
16619 snapshot: &MultiBufferSnapshot,
16620) -> bool {
16621 let mut all_insertions = true;
16622 let mut all_deletions = true;
16623
16624 for (range, new_text) in edits.iter() {
16625 let range_is_empty = range.to_offset(&snapshot).is_empty();
16626 let text_is_empty = new_text.is_empty();
16627
16628 if range_is_empty != text_is_empty {
16629 if range_is_empty {
16630 all_deletions = false;
16631 } else {
16632 all_insertions = false;
16633 }
16634 } else {
16635 return false;
16636 }
16637
16638 if !all_insertions && !all_deletions {
16639 return false;
16640 }
16641 }
16642 all_insertions || all_deletions
16643}