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
50use ::git::diff::DiffHunkStatus;
51pub(crate) use actions::*;
52pub use actions::{OpenExcerpts, OpenExcerptsSplit};
53use aho_corasick::AhoCorasick;
54use anyhow::{anyhow, Context as _, Result};
55use blink_manager::BlinkManager;
56use client::{Collaborator, ParticipantIndex};
57use clock::ReplicaId;
58use collections::{BTreeMap, HashMap, HashSet, VecDeque};
59use convert_case::{Case, Casing};
60use display_map::*;
61pub use display_map::{DisplayPoint, FoldPlaceholder};
62pub use editor_settings::{
63 CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,
64};
65pub use editor_settings_controls::*;
66use element::LineWithInvisibles;
67pub use element::{
68 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
69};
70use futures::{future, FutureExt};
71use fuzzy::StringMatchCandidate;
72use zed_predict_onboarding::ZedPredictModal;
73
74use code_context_menus::{
75 AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
76 CompletionEntry, CompletionsMenu, ContextMenuOrigin,
77};
78use git::blame::GitBlame;
79use gpui::{
80 div, impl_actions, point, prelude::*, px, relative, size, Action, AnyElement, App,
81 AsyncWindowContext, AvailableSpace, Bounds, ClipboardEntry, ClipboardItem, Context,
82 DispatchPhase, ElementId, Entity, EntityInputHandler, EventEmitter, FocusHandle, FocusOutEvent,
83 Focusable, FontId, FontWeight, Global, HighlightStyle, Hsla, InteractiveText, KeyContext,
84 MouseButton, MouseDownEvent, PaintQuad, ParentElement, Pixels, Render, SharedString, Size,
85 Styled, StyledText, Subscription, Task, 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::{InlineCompletionProvider, 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 CursorShape, Diagnostic, Documentation, EditPreview, HighlightedEdits, IndentKind, IndentSize,
100 Language, OffsetRangeExt, Point, Selection, SelectionGoal, TextObject, TransactionId,
101 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 ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16,
128};
129use project::{
130 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
131 project_settings::{GitGutterSetting, ProjectSettings},
132 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
133 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
134};
135use rand::prelude::*;
136use rpc::{proto::*, ErrorExt};
137use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
138use selections_collection::{
139 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
140};
141use serde::{Deserialize, Serialize};
142use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
143use smallvec::SmallVec;
144use snippet::Snippet;
145use std::{
146 any::TypeId,
147 borrow::Cow,
148 cell::RefCell,
149 cmp::{self, Ordering, Reverse},
150 mem,
151 num::NonZeroU32,
152 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
153 path::{Path, PathBuf},
154 rc::Rc,
155 sync::Arc,
156 time::{Duration, Instant},
157};
158pub use sum_tree::Bias;
159use sum_tree::TreeMap;
160use text::{BufferId, OffsetUtf16, Rope};
161use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
162use ui::{
163 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
164 Tooltip,
165};
166use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};
167use workspace::item::{ItemHandle, PreviewTabsSettings};
168use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
169use workspace::{
170 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
171};
172use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
173
174use crate::hover_links::{find_url, find_url_from_range};
175use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
176
177pub const FILE_HEADER_HEIGHT: u32 = 2;
178pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
179pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
180pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
181const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
182const MAX_LINE_LEN: usize = 1024;
183const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
184const MAX_SELECTION_HISTORY_LEN: usize = 1024;
185pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
186#[doc(hidden)]
187pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
188
189pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
190pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
191
192pub fn render_parsed_markdown(
193 element_id: impl Into<ElementId>,
194 parsed: &language::ParsedMarkdown,
195 editor_style: &EditorStyle,
196 workspace: Option<WeakEntity<Workspace>>,
197 cx: &mut App,
198) -> InteractiveText {
199 let code_span_background_color = cx
200 .theme()
201 .colors()
202 .editor_document_highlight_read_background;
203
204 let highlights = gpui::combine_highlights(
205 parsed.highlights.iter().filter_map(|(range, highlight)| {
206 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
207 Some((range.clone(), highlight))
208 }),
209 parsed
210 .regions
211 .iter()
212 .zip(&parsed.region_ranges)
213 .filter_map(|(region, range)| {
214 if region.code {
215 Some((
216 range.clone(),
217 HighlightStyle {
218 background_color: Some(code_span_background_color),
219 ..Default::default()
220 },
221 ))
222 } else {
223 None
224 }
225 }),
226 );
227
228 let mut links = Vec::new();
229 let mut link_ranges = Vec::new();
230 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
231 if let Some(link) = region.link.clone() {
232 links.push(link);
233 link_ranges.push(range.clone());
234 }
235 }
236
237 InteractiveText::new(
238 element_id,
239 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
240 )
241 .on_click(
242 link_ranges,
243 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
244 markdown::Link::Web { url } => cx.open_url(url),
245 markdown::Link::Path { path } => {
246 if let Some(workspace) = &workspace {
247 _ = workspace.update(cx, |workspace, cx| {
248 workspace
249 .open_abs_path(path.clone(), false, window, cx)
250 .detach();
251 });
252 }
253 }
254 },
255 )
256}
257
258#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
259pub enum InlayId {
260 InlineCompletion(usize),
261 Hint(usize),
262}
263
264impl InlayId {
265 fn id(&self) -> usize {
266 match self {
267 Self::InlineCompletion(id) => *id,
268 Self::Hint(id) => *id,
269 }
270 }
271}
272
273enum DocumentHighlightRead {}
274enum DocumentHighlightWrite {}
275enum InputComposition {}
276
277#[derive(Debug, Copy, Clone, PartialEq, Eq)]
278pub enum Navigated {
279 Yes,
280 No,
281}
282
283impl Navigated {
284 pub fn from_bool(yes: bool) -> Navigated {
285 if yes {
286 Navigated::Yes
287 } else {
288 Navigated::No
289 }
290 }
291}
292
293pub fn init_settings(cx: &mut App) {
294 EditorSettings::register(cx);
295}
296
297pub fn init(cx: &mut App) {
298 init_settings(cx);
299
300 workspace::register_project_item::<Editor>(cx);
301 workspace::FollowableViewRegistry::register::<Editor>(cx);
302 workspace::register_serializable_item::<Editor>(cx);
303
304 cx.observe_new(
305 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
306 workspace.register_action(Editor::new_file);
307 workspace.register_action(Editor::new_file_vertical);
308 workspace.register_action(Editor::new_file_horizontal);
309 },
310 )
311 .detach();
312
313 cx.on_action(move |_: &workspace::NewFile, cx| {
314 let app_state = workspace::AppState::global(cx);
315 if let Some(app_state) = app_state.upgrade() {
316 workspace::open_new(
317 Default::default(),
318 app_state,
319 cx,
320 |workspace, window, cx| {
321 Editor::new_file(workspace, &Default::default(), window, cx)
322 },
323 )
324 .detach();
325 }
326 });
327 cx.on_action(move |_: &workspace::NewWindow, cx| {
328 let app_state = workspace::AppState::global(cx);
329 if let Some(app_state) = app_state.upgrade() {
330 workspace::open_new(
331 Default::default(),
332 app_state,
333 cx,
334 |workspace, window, cx| {
335 Editor::new_file(workspace, &Default::default(), window, cx)
336 },
337 )
338 .detach();
339 }
340 });
341 git::project_diff::init(cx);
342}
343
344pub struct SearchWithinRange;
345
346trait InvalidationRegion {
347 fn ranges(&self) -> &[Range<Anchor>];
348}
349
350#[derive(Clone, Debug, PartialEq)]
351pub enum SelectPhase {
352 Begin {
353 position: DisplayPoint,
354 add: bool,
355 click_count: usize,
356 },
357 BeginColumnar {
358 position: DisplayPoint,
359 reset: bool,
360 goal_column: u32,
361 },
362 Extend {
363 position: DisplayPoint,
364 click_count: usize,
365 },
366 Update {
367 position: DisplayPoint,
368 goal_column: u32,
369 scroll_delta: gpui::Point<f32>,
370 },
371 End,
372}
373
374#[derive(Clone, Debug)]
375pub enum SelectMode {
376 Character,
377 Word(Range<Anchor>),
378 Line(Range<Anchor>),
379 All,
380}
381
382#[derive(Copy, Clone, PartialEq, Eq, Debug)]
383pub enum EditorMode {
384 SingleLine { auto_width: bool },
385 AutoHeight { max_lines: usize },
386 Full,
387}
388
389#[derive(Copy, Clone, Debug)]
390pub enum SoftWrap {
391 /// Prefer not to wrap at all.
392 ///
393 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
394 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
395 GitDiff,
396 /// Prefer a single line generally, unless an overly long line is encountered.
397 None,
398 /// Soft wrap lines that exceed the editor width.
399 EditorWidth,
400 /// Soft wrap lines at the preferred line length.
401 Column(u32),
402 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
403 Bounded(u32),
404}
405
406#[derive(Clone)]
407pub struct EditorStyle {
408 pub background: Hsla,
409 pub local_player: PlayerColor,
410 pub text: TextStyle,
411 pub scrollbar_width: Pixels,
412 pub syntax: Arc<SyntaxTheme>,
413 pub status: StatusColors,
414 pub inlay_hints_style: HighlightStyle,
415 pub inline_completion_styles: InlineCompletionStyles,
416 pub unnecessary_code_fade: f32,
417}
418
419impl Default for EditorStyle {
420 fn default() -> Self {
421 Self {
422 background: Hsla::default(),
423 local_player: PlayerColor::default(),
424 text: TextStyle::default(),
425 scrollbar_width: Pixels::default(),
426 syntax: Default::default(),
427 // HACK: Status colors don't have a real default.
428 // We should look into removing the status colors from the editor
429 // style and retrieve them directly from the theme.
430 status: StatusColors::dark(),
431 inlay_hints_style: HighlightStyle::default(),
432 inline_completion_styles: InlineCompletionStyles {
433 insertion: HighlightStyle::default(),
434 whitespace: HighlightStyle::default(),
435 },
436 unnecessary_code_fade: Default::default(),
437 }
438 }
439}
440
441pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
442 let show_background = language_settings::language_settings(None, None, cx)
443 .inlay_hints
444 .show_background;
445
446 HighlightStyle {
447 color: Some(cx.theme().status().hint),
448 background_color: show_background.then(|| cx.theme().status().hint_background),
449 ..HighlightStyle::default()
450 }
451}
452
453pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
454 InlineCompletionStyles {
455 insertion: HighlightStyle {
456 color: Some(cx.theme().status().predictive),
457 ..HighlightStyle::default()
458 },
459 whitespace: HighlightStyle {
460 background_color: Some(cx.theme().status().created_background),
461 ..HighlightStyle::default()
462 },
463 }
464}
465
466type CompletionId = usize;
467
468#[derive(Debug, Clone)]
469enum InlineCompletionMenuHint {
470 Loading,
471 Loaded { text: InlineCompletionText },
472 PendingTermsAcceptance,
473 None,
474}
475
476impl InlineCompletionMenuHint {
477 pub fn label(&self) -> &'static str {
478 match self {
479 InlineCompletionMenuHint::Loading | InlineCompletionMenuHint::Loaded { .. } => {
480 "Edit Prediction"
481 }
482 InlineCompletionMenuHint::PendingTermsAcceptance => "Accept Terms of Service",
483 InlineCompletionMenuHint::None => "No Prediction",
484 }
485 }
486}
487
488#[derive(Clone, Debug)]
489enum InlineCompletionText {
490 Move(SharedString),
491 Edit(HighlightedEdits),
492}
493
494pub(crate) enum EditDisplayMode {
495 TabAccept,
496 DiffPopover,
497 Inline,
498}
499
500enum InlineCompletion {
501 Edit {
502 edits: Vec<(Range<Anchor>, String)>,
503 edit_preview: Option<EditPreview>,
504 display_mode: EditDisplayMode,
505 snapshot: BufferSnapshot,
506 },
507 Move(Anchor),
508}
509
510struct InlineCompletionState {
511 inlay_ids: Vec<InlayId>,
512 completion: InlineCompletion,
513 invalidation_range: Range<Anchor>,
514}
515
516enum InlineCompletionHighlight {}
517
518pub enum MenuInlineCompletionsPolicy {
519 Never,
520 ByProvider,
521}
522
523#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
524struct EditorActionId(usize);
525
526impl EditorActionId {
527 pub fn post_inc(&mut self) -> Self {
528 let answer = self.0;
529
530 *self = Self(answer + 1);
531
532 Self(answer)
533 }
534}
535
536// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
537// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
538
539type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
540type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
541
542#[derive(Default)]
543struct ScrollbarMarkerState {
544 scrollbar_size: Size<Pixels>,
545 dirty: bool,
546 markers: Arc<[PaintQuad]>,
547 pending_refresh: Option<Task<Result<()>>>,
548}
549
550impl ScrollbarMarkerState {
551 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
552 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
553 }
554}
555
556#[derive(Clone, Debug)]
557struct RunnableTasks {
558 templates: Vec<(TaskSourceKind, TaskTemplate)>,
559 offset: MultiBufferOffset,
560 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
561 column: u32,
562 // Values of all named captures, including those starting with '_'
563 extra_variables: HashMap<String, String>,
564 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
565 context_range: Range<BufferOffset>,
566}
567
568impl RunnableTasks {
569 fn resolve<'a>(
570 &'a self,
571 cx: &'a task::TaskContext,
572 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
573 self.templates.iter().filter_map(|(kind, template)| {
574 template
575 .resolve_task(&kind.to_id_base(), cx)
576 .map(|task| (kind.clone(), task))
577 })
578 }
579}
580
581#[derive(Clone)]
582struct ResolvedTasks {
583 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
584 position: Anchor,
585}
586#[derive(Copy, Clone, Debug)]
587struct MultiBufferOffset(usize);
588#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
589struct BufferOffset(usize);
590
591// Addons allow storing per-editor state in other crates (e.g. Vim)
592pub trait Addon: 'static {
593 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
594
595 fn to_any(&self) -> &dyn std::any::Any;
596}
597
598#[derive(Debug, Copy, Clone, PartialEq, Eq)]
599pub enum IsVimMode {
600 Yes,
601 No,
602}
603
604/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
605///
606/// See the [module level documentation](self) for more information.
607pub struct Editor {
608 focus_handle: FocusHandle,
609 last_focused_descendant: Option<WeakFocusHandle>,
610 /// The text buffer being edited
611 buffer: Entity<MultiBuffer>,
612 /// Map of how text in the buffer should be displayed.
613 /// Handles soft wraps, folds, fake inlay text insertions, etc.
614 pub display_map: Entity<DisplayMap>,
615 pub selections: SelectionsCollection,
616 pub scroll_manager: ScrollManager,
617 /// When inline assist editors are linked, they all render cursors because
618 /// typing enters text into each of them, even the ones that aren't focused.
619 pub(crate) show_cursor_when_unfocused: bool,
620 columnar_selection_tail: Option<Anchor>,
621 add_selections_state: Option<AddSelectionsState>,
622 select_next_state: Option<SelectNextState>,
623 select_prev_state: Option<SelectNextState>,
624 selection_history: SelectionHistory,
625 autoclose_regions: Vec<AutocloseRegion>,
626 snippet_stack: InvalidationStack<SnippetState>,
627 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
628 ime_transaction: Option<TransactionId>,
629 active_diagnostics: Option<ActiveDiagnosticGroup>,
630 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
631
632 project: Option<Entity<Project>>,
633 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
634 completion_provider: Option<Box<dyn CompletionProvider>>,
635 collaboration_hub: Option<Box<dyn CollaborationHub>>,
636 blink_manager: Entity<BlinkManager>,
637 show_cursor_names: bool,
638 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
639 pub show_local_selections: bool,
640 mode: EditorMode,
641 show_breadcrumbs: bool,
642 show_gutter: bool,
643 show_scrollbars: bool,
644 show_line_numbers: Option<bool>,
645 use_relative_line_numbers: Option<bool>,
646 show_git_diff_gutter: Option<bool>,
647 show_code_actions: Option<bool>,
648 show_runnables: Option<bool>,
649 show_wrap_guides: Option<bool>,
650 show_indent_guides: Option<bool>,
651 placeholder_text: Option<Arc<str>>,
652 highlight_order: usize,
653 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
654 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
655 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
656 scrollbar_marker_state: ScrollbarMarkerState,
657 active_indent_guides_state: ActiveIndentGuidesState,
658 nav_history: Option<ItemNavHistory>,
659 context_menu: RefCell<Option<CodeContextMenu>>,
660 mouse_context_menu: Option<MouseContextMenu>,
661 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
662 signature_help_state: SignatureHelpState,
663 auto_signature_help: Option<bool>,
664 find_all_references_task_sources: Vec<Anchor>,
665 next_completion_id: CompletionId,
666 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
667 code_actions_task: Option<Task<Result<()>>>,
668 document_highlights_task: Option<Task<()>>,
669 linked_editing_range_task: Option<Task<Option<()>>>,
670 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
671 pending_rename: Option<RenameState>,
672 searchable: bool,
673 cursor_shape: CursorShape,
674 current_line_highlight: Option<CurrentLineHighlight>,
675 collapse_matches: bool,
676 autoindent_mode: Option<AutoindentMode>,
677 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
678 input_enabled: bool,
679 use_modal_editing: bool,
680 read_only: bool,
681 leader_peer_id: Option<PeerId>,
682 remote_id: Option<ViewId>,
683 hover_state: HoverState,
684 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
685 gutter_hovered: bool,
686 hovered_link_state: Option<HoveredLinkState>,
687 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
688 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
689 active_inline_completion: Option<InlineCompletionState>,
690 // enable_inline_completions is a switch that Vim can use to disable
691 // inline completions based on its mode.
692 enable_inline_completions: bool,
693 show_inline_completions_override: Option<bool>,
694 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
695 inlay_hint_cache: InlayHintCache,
696 next_inlay_id: usize,
697 _subscriptions: Vec<Subscription>,
698 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
699 gutter_dimensions: GutterDimensions,
700 style: Option<EditorStyle>,
701 text_style_refinement: Option<TextStyleRefinement>,
702 next_editor_action_id: EditorActionId,
703 editor_actions:
704 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
705 use_autoclose: bool,
706 use_auto_surround: bool,
707 auto_replace_emoji_shortcode: bool,
708 show_git_blame_gutter: bool,
709 show_git_blame_inline: bool,
710 show_git_blame_inline_delay_task: Option<Task<()>>,
711 git_blame_inline_enabled: bool,
712 serialize_dirty_buffers: bool,
713 show_selection_menu: Option<bool>,
714 blame: Option<Entity<GitBlame>>,
715 blame_subscription: Option<Subscription>,
716 custom_context_menu: Option<
717 Box<
718 dyn 'static
719 + Fn(
720 &mut Self,
721 DisplayPoint,
722 &mut Window,
723 &mut Context<Self>,
724 ) -> Option<Entity<ui::ContextMenu>>,
725 >,
726 >,
727 last_bounds: Option<Bounds<Pixels>>,
728 expect_bounds_change: Option<Bounds<Pixels>>,
729 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
730 tasks_update_task: Option<Task<()>>,
731 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
732 breadcrumb_header: Option<String>,
733 focused_block: Option<FocusedBlock>,
734 next_scroll_position: NextScrollCursorCenterTopBottom,
735 addons: HashMap<TypeId, Box<dyn Addon>>,
736 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
737 selection_mark_mode: bool,
738 toggle_fold_multiple_buffers: Task<()>,
739 _scroll_cursor_center_top_bottom_task: Task<()>,
740}
741
742#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
743enum NextScrollCursorCenterTopBottom {
744 #[default]
745 Center,
746 Top,
747 Bottom,
748}
749
750impl NextScrollCursorCenterTopBottom {
751 fn next(&self) -> Self {
752 match self {
753 Self::Center => Self::Top,
754 Self::Top => Self::Bottom,
755 Self::Bottom => Self::Center,
756 }
757 }
758}
759
760#[derive(Clone)]
761pub struct EditorSnapshot {
762 pub mode: EditorMode,
763 show_gutter: bool,
764 show_line_numbers: Option<bool>,
765 show_git_diff_gutter: Option<bool>,
766 show_code_actions: Option<bool>,
767 show_runnables: Option<bool>,
768 git_blame_gutter_max_author_length: Option<usize>,
769 pub display_snapshot: DisplaySnapshot,
770 pub placeholder_text: Option<Arc<str>>,
771 is_focused: bool,
772 scroll_anchor: ScrollAnchor,
773 ongoing_scroll: OngoingScroll,
774 current_line_highlight: CurrentLineHighlight,
775 gutter_hovered: bool,
776}
777
778const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
779
780#[derive(Default, Debug, Clone, Copy)]
781pub struct GutterDimensions {
782 pub left_padding: Pixels,
783 pub right_padding: Pixels,
784 pub width: Pixels,
785 pub margin: Pixels,
786 pub git_blame_entries_width: Option<Pixels>,
787}
788
789impl GutterDimensions {
790 /// The full width of the space taken up by the gutter.
791 pub fn full_width(&self) -> Pixels {
792 self.margin + self.width
793 }
794
795 /// The width of the space reserved for the fold indicators,
796 /// use alongside 'justify_end' and `gutter_width` to
797 /// right align content with the line numbers
798 pub fn fold_area_width(&self) -> Pixels {
799 self.margin + self.right_padding
800 }
801}
802
803#[derive(Debug)]
804pub struct RemoteSelection {
805 pub replica_id: ReplicaId,
806 pub selection: Selection<Anchor>,
807 pub cursor_shape: CursorShape,
808 pub peer_id: PeerId,
809 pub line_mode: bool,
810 pub participant_index: Option<ParticipantIndex>,
811 pub user_name: Option<SharedString>,
812}
813
814#[derive(Clone, Debug)]
815struct SelectionHistoryEntry {
816 selections: Arc<[Selection<Anchor>]>,
817 select_next_state: Option<SelectNextState>,
818 select_prev_state: Option<SelectNextState>,
819 add_selections_state: Option<AddSelectionsState>,
820}
821
822enum SelectionHistoryMode {
823 Normal,
824 Undoing,
825 Redoing,
826}
827
828#[derive(Clone, PartialEq, Eq, Hash)]
829struct HoveredCursor {
830 replica_id: u16,
831 selection_id: usize,
832}
833
834impl Default for SelectionHistoryMode {
835 fn default() -> Self {
836 Self::Normal
837 }
838}
839
840#[derive(Default)]
841struct SelectionHistory {
842 #[allow(clippy::type_complexity)]
843 selections_by_transaction:
844 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
845 mode: SelectionHistoryMode,
846 undo_stack: VecDeque<SelectionHistoryEntry>,
847 redo_stack: VecDeque<SelectionHistoryEntry>,
848}
849
850impl SelectionHistory {
851 fn insert_transaction(
852 &mut self,
853 transaction_id: TransactionId,
854 selections: Arc<[Selection<Anchor>]>,
855 ) {
856 self.selections_by_transaction
857 .insert(transaction_id, (selections, None));
858 }
859
860 #[allow(clippy::type_complexity)]
861 fn transaction(
862 &self,
863 transaction_id: TransactionId,
864 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
865 self.selections_by_transaction.get(&transaction_id)
866 }
867
868 #[allow(clippy::type_complexity)]
869 fn transaction_mut(
870 &mut self,
871 transaction_id: TransactionId,
872 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
873 self.selections_by_transaction.get_mut(&transaction_id)
874 }
875
876 fn push(&mut self, entry: SelectionHistoryEntry) {
877 if !entry.selections.is_empty() {
878 match self.mode {
879 SelectionHistoryMode::Normal => {
880 self.push_undo(entry);
881 self.redo_stack.clear();
882 }
883 SelectionHistoryMode::Undoing => self.push_redo(entry),
884 SelectionHistoryMode::Redoing => self.push_undo(entry),
885 }
886 }
887 }
888
889 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
890 if self
891 .undo_stack
892 .back()
893 .map_or(true, |e| e.selections != entry.selections)
894 {
895 self.undo_stack.push_back(entry);
896 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
897 self.undo_stack.pop_front();
898 }
899 }
900 }
901
902 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
903 if self
904 .redo_stack
905 .back()
906 .map_or(true, |e| e.selections != entry.selections)
907 {
908 self.redo_stack.push_back(entry);
909 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
910 self.redo_stack.pop_front();
911 }
912 }
913 }
914}
915
916struct RowHighlight {
917 index: usize,
918 range: Range<Anchor>,
919 color: Hsla,
920 should_autoscroll: bool,
921}
922
923#[derive(Clone, Debug)]
924struct AddSelectionsState {
925 above: bool,
926 stack: Vec<usize>,
927}
928
929#[derive(Clone)]
930struct SelectNextState {
931 query: AhoCorasick,
932 wordwise: bool,
933 done: bool,
934}
935
936impl std::fmt::Debug for SelectNextState {
937 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
938 f.debug_struct(std::any::type_name::<Self>())
939 .field("wordwise", &self.wordwise)
940 .field("done", &self.done)
941 .finish()
942 }
943}
944
945#[derive(Debug)]
946struct AutocloseRegion {
947 selection_id: usize,
948 range: Range<Anchor>,
949 pair: BracketPair,
950}
951
952#[derive(Debug)]
953struct SnippetState {
954 ranges: Vec<Vec<Range<Anchor>>>,
955 active_index: usize,
956 choices: Vec<Option<Vec<String>>>,
957}
958
959#[doc(hidden)]
960pub struct RenameState {
961 pub range: Range<Anchor>,
962 pub old_name: Arc<str>,
963 pub editor: Entity<Editor>,
964 block_id: CustomBlockId,
965}
966
967struct InvalidationStack<T>(Vec<T>);
968
969struct RegisteredInlineCompletionProvider {
970 provider: Arc<dyn InlineCompletionProviderHandle>,
971 _subscription: Subscription,
972}
973
974#[derive(Debug)]
975struct ActiveDiagnosticGroup {
976 primary_range: Range<Anchor>,
977 primary_message: String,
978 group_id: usize,
979 blocks: HashMap<CustomBlockId, Diagnostic>,
980 is_valid: bool,
981}
982
983#[derive(Serialize, Deserialize, Clone, Debug)]
984pub struct ClipboardSelection {
985 pub len: usize,
986 pub is_entire_line: bool,
987 pub first_line_indent: u32,
988}
989
990#[derive(Debug)]
991pub(crate) struct NavigationData {
992 cursor_anchor: Anchor,
993 cursor_position: Point,
994 scroll_anchor: ScrollAnchor,
995 scroll_top_row: u32,
996}
997
998#[derive(Debug, Clone, Copy, PartialEq, Eq)]
999pub enum GotoDefinitionKind {
1000 Symbol,
1001 Declaration,
1002 Type,
1003 Implementation,
1004}
1005
1006#[derive(Debug, Clone)]
1007enum InlayHintRefreshReason {
1008 Toggle(bool),
1009 SettingsChange(InlayHintSettings),
1010 NewLinesShown,
1011 BufferEdited(HashSet<Arc<Language>>),
1012 RefreshRequested,
1013 ExcerptsRemoved(Vec<ExcerptId>),
1014}
1015
1016impl InlayHintRefreshReason {
1017 fn description(&self) -> &'static str {
1018 match self {
1019 Self::Toggle(_) => "toggle",
1020 Self::SettingsChange(_) => "settings change",
1021 Self::NewLinesShown => "new lines shown",
1022 Self::BufferEdited(_) => "buffer edited",
1023 Self::RefreshRequested => "refresh requested",
1024 Self::ExcerptsRemoved(_) => "excerpts removed",
1025 }
1026 }
1027}
1028
1029pub enum FormatTarget {
1030 Buffers,
1031 Ranges(Vec<Range<MultiBufferPoint>>),
1032}
1033
1034pub(crate) struct FocusedBlock {
1035 id: BlockId,
1036 focus_handle: WeakFocusHandle,
1037}
1038
1039#[derive(Clone)]
1040enum JumpData {
1041 MultiBufferRow {
1042 row: MultiBufferRow,
1043 line_offset_from_top: u32,
1044 },
1045 MultiBufferPoint {
1046 excerpt_id: ExcerptId,
1047 position: Point,
1048 anchor: text::Anchor,
1049 line_offset_from_top: u32,
1050 },
1051}
1052
1053pub enum MultibufferSelectionMode {
1054 First,
1055 All,
1056}
1057
1058impl Editor {
1059 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1060 let buffer = cx.new(|cx| Buffer::local("", cx));
1061 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1062 Self::new(
1063 EditorMode::SingleLine { auto_width: false },
1064 buffer,
1065 None,
1066 false,
1067 window,
1068 cx,
1069 )
1070 }
1071
1072 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1073 let buffer = cx.new(|cx| Buffer::local("", cx));
1074 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1075 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1076 }
1077
1078 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1079 let buffer = cx.new(|cx| Buffer::local("", cx));
1080 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1081 Self::new(
1082 EditorMode::SingleLine { auto_width: true },
1083 buffer,
1084 None,
1085 false,
1086 window,
1087 cx,
1088 )
1089 }
1090
1091 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1092 let buffer = cx.new(|cx| Buffer::local("", cx));
1093 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1094 Self::new(
1095 EditorMode::AutoHeight { max_lines },
1096 buffer,
1097 None,
1098 false,
1099 window,
1100 cx,
1101 )
1102 }
1103
1104 pub fn for_buffer(
1105 buffer: Entity<Buffer>,
1106 project: Option<Entity<Project>>,
1107 window: &mut Window,
1108 cx: &mut Context<Self>,
1109 ) -> Self {
1110 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1111 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1112 }
1113
1114 pub fn for_multibuffer(
1115 buffer: Entity<MultiBuffer>,
1116 project: Option<Entity<Project>>,
1117 show_excerpt_controls: bool,
1118 window: &mut Window,
1119 cx: &mut Context<Self>,
1120 ) -> Self {
1121 Self::new(
1122 EditorMode::Full,
1123 buffer,
1124 project,
1125 show_excerpt_controls,
1126 window,
1127 cx,
1128 )
1129 }
1130
1131 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1132 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1133 let mut clone = Self::new(
1134 self.mode,
1135 self.buffer.clone(),
1136 self.project.clone(),
1137 show_excerpt_controls,
1138 window,
1139 cx,
1140 );
1141 self.display_map.update(cx, |display_map, cx| {
1142 let snapshot = display_map.snapshot(cx);
1143 clone.display_map.update(cx, |display_map, cx| {
1144 display_map.set_state(&snapshot, cx);
1145 });
1146 });
1147 clone.selections.clone_state(&self.selections);
1148 clone.scroll_manager.clone_state(&self.scroll_manager);
1149 clone.searchable = self.searchable;
1150 clone
1151 }
1152
1153 pub fn new(
1154 mode: EditorMode,
1155 buffer: Entity<MultiBuffer>,
1156 project: Option<Entity<Project>>,
1157 show_excerpt_controls: bool,
1158 window: &mut Window,
1159 cx: &mut Context<Self>,
1160 ) -> Self {
1161 let style = window.text_style();
1162 let font_size = style.font_size.to_pixels(window.rem_size());
1163 let editor = cx.entity().downgrade();
1164 let fold_placeholder = FoldPlaceholder {
1165 constrain_width: true,
1166 render: Arc::new(move |fold_id, fold_range, _, cx| {
1167 let editor = editor.clone();
1168 div()
1169 .id(fold_id)
1170 .bg(cx.theme().colors().ghost_element_background)
1171 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1172 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1173 .rounded_sm()
1174 .size_full()
1175 .cursor_pointer()
1176 .child("⋯")
1177 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1178 .on_click(move |_, _window, cx| {
1179 editor
1180 .update(cx, |editor, cx| {
1181 editor.unfold_ranges(
1182 &[fold_range.start..fold_range.end],
1183 true,
1184 false,
1185 cx,
1186 );
1187 cx.stop_propagation();
1188 })
1189 .ok();
1190 })
1191 .into_any()
1192 }),
1193 merge_adjacent: true,
1194 ..Default::default()
1195 };
1196 let display_map = cx.new(|cx| {
1197 DisplayMap::new(
1198 buffer.clone(),
1199 style.font(),
1200 font_size,
1201 None,
1202 show_excerpt_controls,
1203 FILE_HEADER_HEIGHT,
1204 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1205 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1206 fold_placeholder,
1207 cx,
1208 )
1209 });
1210
1211 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1212
1213 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1214
1215 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1216 .then(|| language_settings::SoftWrap::None);
1217
1218 let mut project_subscriptions = Vec::new();
1219 if mode == EditorMode::Full {
1220 if let Some(project) = project.as_ref() {
1221 if buffer.read(cx).is_singleton() {
1222 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1223 cx.emit(EditorEvent::TitleChanged);
1224 }));
1225 }
1226 project_subscriptions.push(cx.subscribe_in(
1227 project,
1228 window,
1229 |editor, _, event, window, cx| {
1230 if let project::Event::RefreshInlayHints = event {
1231 editor
1232 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1233 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1234 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1235 let focus_handle = editor.focus_handle(cx);
1236 if focus_handle.is_focused(window) {
1237 let snapshot = buffer.read(cx).snapshot();
1238 for (range, snippet) in snippet_edits {
1239 let editor_range =
1240 language::range_from_lsp(*range).to_offset(&snapshot);
1241 editor
1242 .insert_snippet(
1243 &[editor_range],
1244 snippet.clone(),
1245 window,
1246 cx,
1247 )
1248 .ok();
1249 }
1250 }
1251 }
1252 }
1253 },
1254 ));
1255 if let Some(task_inventory) = project
1256 .read(cx)
1257 .task_store()
1258 .read(cx)
1259 .task_inventory()
1260 .cloned()
1261 {
1262 project_subscriptions.push(cx.observe_in(
1263 &task_inventory,
1264 window,
1265 |editor, _, window, cx| {
1266 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1267 },
1268 ));
1269 }
1270 }
1271 }
1272
1273 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1274
1275 let inlay_hint_settings =
1276 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1277 let focus_handle = cx.focus_handle();
1278 cx.on_focus(&focus_handle, window, Self::handle_focus)
1279 .detach();
1280 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1281 .detach();
1282 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1283 .detach();
1284 cx.on_blur(&focus_handle, window, Self::handle_blur)
1285 .detach();
1286
1287 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1288 Some(false)
1289 } else {
1290 None
1291 };
1292
1293 let mut code_action_providers = Vec::new();
1294 if let Some(project) = project.clone() {
1295 get_unstaged_changes_for_buffers(
1296 &project,
1297 buffer.read(cx).all_buffers(),
1298 buffer.clone(),
1299 cx,
1300 );
1301 code_action_providers.push(Rc::new(project) as Rc<_>);
1302 }
1303
1304 let mut this = Self {
1305 focus_handle,
1306 show_cursor_when_unfocused: false,
1307 last_focused_descendant: None,
1308 buffer: buffer.clone(),
1309 display_map: display_map.clone(),
1310 selections,
1311 scroll_manager: ScrollManager::new(cx),
1312 columnar_selection_tail: None,
1313 add_selections_state: None,
1314 select_next_state: None,
1315 select_prev_state: None,
1316 selection_history: Default::default(),
1317 autoclose_regions: Default::default(),
1318 snippet_stack: Default::default(),
1319 select_larger_syntax_node_stack: Vec::new(),
1320 ime_transaction: Default::default(),
1321 active_diagnostics: None,
1322 soft_wrap_mode_override,
1323 completion_provider: project.clone().map(|project| Box::new(project) as _),
1324 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1325 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1326 project,
1327 blink_manager: blink_manager.clone(),
1328 show_local_selections: true,
1329 show_scrollbars: true,
1330 mode,
1331 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1332 show_gutter: mode == EditorMode::Full,
1333 show_line_numbers: None,
1334 use_relative_line_numbers: None,
1335 show_git_diff_gutter: None,
1336 show_code_actions: None,
1337 show_runnables: None,
1338 show_wrap_guides: None,
1339 show_indent_guides,
1340 placeholder_text: None,
1341 highlight_order: 0,
1342 highlighted_rows: HashMap::default(),
1343 background_highlights: Default::default(),
1344 gutter_highlights: TreeMap::default(),
1345 scrollbar_marker_state: ScrollbarMarkerState::default(),
1346 active_indent_guides_state: ActiveIndentGuidesState::default(),
1347 nav_history: None,
1348 context_menu: RefCell::new(None),
1349 mouse_context_menu: None,
1350 completion_tasks: Default::default(),
1351 signature_help_state: SignatureHelpState::default(),
1352 auto_signature_help: None,
1353 find_all_references_task_sources: Vec::new(),
1354 next_completion_id: 0,
1355 next_inlay_id: 0,
1356 code_action_providers,
1357 available_code_actions: Default::default(),
1358 code_actions_task: Default::default(),
1359 document_highlights_task: Default::default(),
1360 linked_editing_range_task: Default::default(),
1361 pending_rename: Default::default(),
1362 searchable: true,
1363 cursor_shape: EditorSettings::get_global(cx)
1364 .cursor_shape
1365 .unwrap_or_default(),
1366 current_line_highlight: None,
1367 autoindent_mode: Some(AutoindentMode::EachLine),
1368 collapse_matches: false,
1369 workspace: None,
1370 input_enabled: true,
1371 use_modal_editing: mode == EditorMode::Full,
1372 read_only: false,
1373 use_autoclose: true,
1374 use_auto_surround: true,
1375 auto_replace_emoji_shortcode: false,
1376 leader_peer_id: None,
1377 remote_id: None,
1378 hover_state: Default::default(),
1379 pending_mouse_down: None,
1380 hovered_link_state: Default::default(),
1381 inline_completion_provider: None,
1382 active_inline_completion: None,
1383 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1384
1385 gutter_hovered: false,
1386 pixel_position_of_newest_cursor: None,
1387 last_bounds: None,
1388 expect_bounds_change: None,
1389 gutter_dimensions: GutterDimensions::default(),
1390 style: None,
1391 show_cursor_names: false,
1392 hovered_cursors: Default::default(),
1393 next_editor_action_id: EditorActionId::default(),
1394 editor_actions: Rc::default(),
1395 show_inline_completions_override: None,
1396 enable_inline_completions: true,
1397 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1398 custom_context_menu: None,
1399 show_git_blame_gutter: false,
1400 show_git_blame_inline: false,
1401 show_selection_menu: None,
1402 show_git_blame_inline_delay_task: None,
1403 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1404 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1405 .session
1406 .restore_unsaved_buffers,
1407 blame: None,
1408 blame_subscription: None,
1409 tasks: Default::default(),
1410 _subscriptions: vec![
1411 cx.observe(&buffer, Self::on_buffer_changed),
1412 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1413 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1414 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1415 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1416 cx.observe_window_activation(window, |editor, window, cx| {
1417 let active = window.is_window_active();
1418 editor.blink_manager.update(cx, |blink_manager, cx| {
1419 if active {
1420 blink_manager.enable(cx);
1421 } else {
1422 blink_manager.disable(cx);
1423 }
1424 });
1425 }),
1426 ],
1427 tasks_update_task: None,
1428 linked_edit_ranges: Default::default(),
1429 previous_search_ranges: None,
1430 breadcrumb_header: None,
1431 focused_block: None,
1432 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1433 addons: HashMap::default(),
1434 registered_buffers: HashMap::default(),
1435 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1436 selection_mark_mode: false,
1437 toggle_fold_multiple_buffers: Task::ready(()),
1438 text_style_refinement: None,
1439 };
1440 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1441 this._subscriptions.extend(project_subscriptions);
1442
1443 this.end_selection(window, cx);
1444 this.scroll_manager.show_scrollbar(window, cx);
1445
1446 if mode == EditorMode::Full {
1447 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1448 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1449
1450 if this.git_blame_inline_enabled {
1451 this.git_blame_inline_enabled = true;
1452 this.start_git_blame_inline(false, window, cx);
1453 }
1454
1455 if let Some(buffer) = buffer.read(cx).as_singleton() {
1456 if let Some(project) = this.project.as_ref() {
1457 let lsp_store = project.read(cx).lsp_store();
1458 let handle = lsp_store.update(cx, |lsp_store, cx| {
1459 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1460 });
1461 this.registered_buffers
1462 .insert(buffer.read(cx).remote_id(), handle);
1463 }
1464 }
1465 }
1466
1467 this.report_editor_event("Editor Opened", None, cx);
1468 this
1469 }
1470
1471 pub fn mouse_menu_is_focused(&self, window: &mut Window, cx: &mut App) -> bool {
1472 self.mouse_context_menu
1473 .as_ref()
1474 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1475 }
1476
1477 fn key_context(&self, window: &mut Window, cx: &mut Context<Self>) -> KeyContext {
1478 let mut key_context = KeyContext::new_with_defaults();
1479 key_context.add("Editor");
1480 let mode = match self.mode {
1481 EditorMode::SingleLine { .. } => "single_line",
1482 EditorMode::AutoHeight { .. } => "auto_height",
1483 EditorMode::Full => "full",
1484 };
1485
1486 if EditorSettings::jupyter_enabled(cx) {
1487 key_context.add("jupyter");
1488 }
1489
1490 key_context.set("mode", mode);
1491 if self.pending_rename.is_some() {
1492 key_context.add("renaming");
1493 }
1494 match self.context_menu.borrow().as_ref() {
1495 Some(CodeContextMenu::Completions(_)) => {
1496 key_context.add("menu");
1497 key_context.add("showing_completions")
1498 }
1499 Some(CodeContextMenu::CodeActions(_)) => {
1500 key_context.add("menu");
1501 key_context.add("showing_code_actions")
1502 }
1503 None => {}
1504 }
1505
1506 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1507 if !self.focus_handle(cx).contains_focused(window, cx)
1508 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1509 {
1510 for addon in self.addons.values() {
1511 addon.extend_key_context(&mut key_context, cx)
1512 }
1513 }
1514
1515 if let Some(extension) = self
1516 .buffer
1517 .read(cx)
1518 .as_singleton()
1519 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1520 {
1521 key_context.set("extension", extension.to_string());
1522 }
1523
1524 if self.has_active_inline_completion() {
1525 key_context.add("copilot_suggestion");
1526 key_context.add("inline_completion");
1527 }
1528
1529 if self.selection_mark_mode {
1530 key_context.add("selection_mode");
1531 }
1532
1533 key_context
1534 }
1535
1536 pub fn new_file(
1537 workspace: &mut Workspace,
1538 _: &workspace::NewFile,
1539 window: &mut Window,
1540 cx: &mut Context<Workspace>,
1541 ) {
1542 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1543 "Failed to create buffer",
1544 window,
1545 cx,
1546 |e, _, _| match e.error_code() {
1547 ErrorCode::RemoteUpgradeRequired => Some(format!(
1548 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1549 e.error_tag("required").unwrap_or("the latest version")
1550 )),
1551 _ => None,
1552 },
1553 );
1554 }
1555
1556 pub fn new_in_workspace(
1557 workspace: &mut Workspace,
1558 window: &mut Window,
1559 cx: &mut Context<Workspace>,
1560 ) -> Task<Result<Entity<Editor>>> {
1561 let project = workspace.project().clone();
1562 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1563
1564 cx.spawn_in(window, |workspace, mut cx| async move {
1565 let buffer = create.await?;
1566 workspace.update_in(&mut cx, |workspace, window, cx| {
1567 let editor =
1568 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1569 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1570 editor
1571 })
1572 })
1573 }
1574
1575 fn new_file_vertical(
1576 workspace: &mut Workspace,
1577 _: &workspace::NewFileSplitVertical,
1578 window: &mut Window,
1579 cx: &mut Context<Workspace>,
1580 ) {
1581 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1582 }
1583
1584 fn new_file_horizontal(
1585 workspace: &mut Workspace,
1586 _: &workspace::NewFileSplitHorizontal,
1587 window: &mut Window,
1588 cx: &mut Context<Workspace>,
1589 ) {
1590 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1591 }
1592
1593 fn new_file_in_direction(
1594 workspace: &mut Workspace,
1595 direction: SplitDirection,
1596 window: &mut Window,
1597 cx: &mut Context<Workspace>,
1598 ) {
1599 let project = workspace.project().clone();
1600 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1601
1602 cx.spawn_in(window, |workspace, mut cx| async move {
1603 let buffer = create.await?;
1604 workspace.update_in(&mut cx, move |workspace, window, cx| {
1605 workspace.split_item(
1606 direction,
1607 Box::new(
1608 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1609 ),
1610 window,
1611 cx,
1612 )
1613 })?;
1614 anyhow::Ok(())
1615 })
1616 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1617 match e.error_code() {
1618 ErrorCode::RemoteUpgradeRequired => Some(format!(
1619 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1620 e.error_tag("required").unwrap_or("the latest version")
1621 )),
1622 _ => None,
1623 }
1624 });
1625 }
1626
1627 pub fn leader_peer_id(&self) -> Option<PeerId> {
1628 self.leader_peer_id
1629 }
1630
1631 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1632 &self.buffer
1633 }
1634
1635 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1636 self.workspace.as_ref()?.0.upgrade()
1637 }
1638
1639 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1640 self.buffer().read(cx).title(cx)
1641 }
1642
1643 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1644 let git_blame_gutter_max_author_length = self
1645 .render_git_blame_gutter(cx)
1646 .then(|| {
1647 if let Some(blame) = self.blame.as_ref() {
1648 let max_author_length =
1649 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1650 Some(max_author_length)
1651 } else {
1652 None
1653 }
1654 })
1655 .flatten();
1656
1657 EditorSnapshot {
1658 mode: self.mode,
1659 show_gutter: self.show_gutter,
1660 show_line_numbers: self.show_line_numbers,
1661 show_git_diff_gutter: self.show_git_diff_gutter,
1662 show_code_actions: self.show_code_actions,
1663 show_runnables: self.show_runnables,
1664 git_blame_gutter_max_author_length,
1665 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1666 scroll_anchor: self.scroll_manager.anchor(),
1667 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1668 placeholder_text: self.placeholder_text.clone(),
1669 is_focused: self.focus_handle.is_focused(window),
1670 current_line_highlight: self
1671 .current_line_highlight
1672 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1673 gutter_hovered: self.gutter_hovered,
1674 }
1675 }
1676
1677 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1678 self.buffer.read(cx).language_at(point, cx)
1679 }
1680
1681 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1682 self.buffer.read(cx).read(cx).file_at(point).cloned()
1683 }
1684
1685 pub fn active_excerpt(
1686 &self,
1687 cx: &App,
1688 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1689 self.buffer
1690 .read(cx)
1691 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1692 }
1693
1694 pub fn mode(&self) -> EditorMode {
1695 self.mode
1696 }
1697
1698 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1699 self.collaboration_hub.as_deref()
1700 }
1701
1702 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1703 self.collaboration_hub = Some(hub);
1704 }
1705
1706 pub fn set_custom_context_menu(
1707 &mut self,
1708 f: impl 'static
1709 + Fn(
1710 &mut Self,
1711 DisplayPoint,
1712 &mut Window,
1713 &mut Context<Self>,
1714 ) -> Option<Entity<ui::ContextMenu>>,
1715 ) {
1716 self.custom_context_menu = Some(Box::new(f))
1717 }
1718
1719 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1720 self.completion_provider = provider;
1721 }
1722
1723 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1724 self.semantics_provider.clone()
1725 }
1726
1727 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1728 self.semantics_provider = provider;
1729 }
1730
1731 pub fn set_inline_completion_provider<T>(
1732 &mut self,
1733 provider: Option<Entity<T>>,
1734 window: &mut Window,
1735 cx: &mut Context<Self>,
1736 ) where
1737 T: InlineCompletionProvider,
1738 {
1739 self.inline_completion_provider =
1740 provider.map(|provider| RegisteredInlineCompletionProvider {
1741 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1742 if this.focus_handle.is_focused(window) {
1743 this.update_visible_inline_completion(window, cx);
1744 }
1745 }),
1746 provider: Arc::new(provider),
1747 });
1748 self.refresh_inline_completion(false, false, window, cx);
1749 }
1750
1751 pub fn placeholder_text(&self) -> Option<&str> {
1752 self.placeholder_text.as_deref()
1753 }
1754
1755 pub fn set_placeholder_text(
1756 &mut self,
1757 placeholder_text: impl Into<Arc<str>>,
1758 cx: &mut Context<Self>,
1759 ) {
1760 let placeholder_text = Some(placeholder_text.into());
1761 if self.placeholder_text != placeholder_text {
1762 self.placeholder_text = placeholder_text;
1763 cx.notify();
1764 }
1765 }
1766
1767 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1768 self.cursor_shape = cursor_shape;
1769
1770 // Disrupt blink for immediate user feedback that the cursor shape has changed
1771 self.blink_manager.update(cx, BlinkManager::show_cursor);
1772
1773 cx.notify();
1774 }
1775
1776 pub fn set_current_line_highlight(
1777 &mut self,
1778 current_line_highlight: Option<CurrentLineHighlight>,
1779 ) {
1780 self.current_line_highlight = current_line_highlight;
1781 }
1782
1783 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1784 self.collapse_matches = collapse_matches;
1785 }
1786
1787 pub fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1788 let buffers = self.buffer.read(cx).all_buffers();
1789 let Some(lsp_store) = self.lsp_store(cx) else {
1790 return;
1791 };
1792 lsp_store.update(cx, |lsp_store, cx| {
1793 for buffer in buffers {
1794 self.registered_buffers
1795 .entry(buffer.read(cx).remote_id())
1796 .or_insert_with(|| {
1797 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1798 });
1799 }
1800 })
1801 }
1802
1803 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1804 if self.collapse_matches {
1805 return range.start..range.start;
1806 }
1807 range.clone()
1808 }
1809
1810 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1811 if self.display_map.read(cx).clip_at_line_ends != clip {
1812 self.display_map
1813 .update(cx, |map, _| map.clip_at_line_ends = clip);
1814 }
1815 }
1816
1817 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1818 self.input_enabled = input_enabled;
1819 }
1820
1821 pub fn set_inline_completions_enabled(&mut self, enabled: bool, cx: &mut Context<Self>) {
1822 self.enable_inline_completions = enabled;
1823 if !self.enable_inline_completions {
1824 self.take_active_inline_completion(cx);
1825 cx.notify();
1826 }
1827 }
1828
1829 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1830 self.menu_inline_completions_policy = value;
1831 }
1832
1833 pub fn set_autoindent(&mut self, autoindent: bool) {
1834 if autoindent {
1835 self.autoindent_mode = Some(AutoindentMode::EachLine);
1836 } else {
1837 self.autoindent_mode = None;
1838 }
1839 }
1840
1841 pub fn read_only(&self, cx: &App) -> bool {
1842 self.read_only || self.buffer.read(cx).read_only()
1843 }
1844
1845 pub fn set_read_only(&mut self, read_only: bool) {
1846 self.read_only = read_only;
1847 }
1848
1849 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1850 self.use_autoclose = autoclose;
1851 }
1852
1853 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1854 self.use_auto_surround = auto_surround;
1855 }
1856
1857 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1858 self.auto_replace_emoji_shortcode = auto_replace;
1859 }
1860
1861 pub fn toggle_inline_completions(
1862 &mut self,
1863 _: &ToggleInlineCompletions,
1864 window: &mut Window,
1865 cx: &mut Context<Self>,
1866 ) {
1867 if self.show_inline_completions_override.is_some() {
1868 self.set_show_inline_completions(None, window, cx);
1869 } else {
1870 let cursor = self.selections.newest_anchor().head();
1871 if let Some((buffer, cursor_buffer_position)) =
1872 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1873 {
1874 let show_inline_completions =
1875 !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx);
1876 self.set_show_inline_completions(Some(show_inline_completions), window, cx);
1877 }
1878 }
1879 }
1880
1881 pub fn set_show_inline_completions(
1882 &mut self,
1883 show_inline_completions: Option<bool>,
1884 window: &mut Window,
1885 cx: &mut Context<Self>,
1886 ) {
1887 self.show_inline_completions_override = show_inline_completions;
1888 self.refresh_inline_completion(false, true, window, cx);
1889 }
1890
1891 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
1892 let cursor = self.selections.newest_anchor().head();
1893 if let Some((buffer, buffer_position)) =
1894 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1895 {
1896 self.should_show_inline_completions(&buffer, buffer_position, cx)
1897 } else {
1898 false
1899 }
1900 }
1901
1902 fn should_show_inline_completions(
1903 &self,
1904 buffer: &Entity<Buffer>,
1905 buffer_position: language::Anchor,
1906 cx: &App,
1907 ) -> bool {
1908 if !self.snippet_stack.is_empty() {
1909 return false;
1910 }
1911
1912 if self.inline_completions_disabled_in_scope(buffer, buffer_position, cx) {
1913 return false;
1914 }
1915
1916 if let Some(provider) = self.inline_completion_provider() {
1917 if let Some(show_inline_completions) = self.show_inline_completions_override {
1918 show_inline_completions
1919 } else {
1920 self.mode == EditorMode::Full && provider.is_enabled(buffer, buffer_position, cx)
1921 }
1922 } else {
1923 false
1924 }
1925 }
1926
1927 fn inline_completions_disabled_in_scope(
1928 &self,
1929 buffer: &Entity<Buffer>,
1930 buffer_position: language::Anchor,
1931 cx: &App,
1932 ) -> bool {
1933 let snapshot = buffer.read(cx).snapshot();
1934 let settings = snapshot.settings_at(buffer_position, cx);
1935
1936 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1937 return false;
1938 };
1939
1940 scope.override_name().map_or(false, |scope_name| {
1941 settings
1942 .inline_completions_disabled_in
1943 .iter()
1944 .any(|s| s == scope_name)
1945 })
1946 }
1947
1948 pub fn set_use_modal_editing(&mut self, to: bool) {
1949 self.use_modal_editing = to;
1950 }
1951
1952 pub fn use_modal_editing(&self) -> bool {
1953 self.use_modal_editing
1954 }
1955
1956 fn selections_did_change(
1957 &mut self,
1958 local: bool,
1959 old_cursor_position: &Anchor,
1960 show_completions: bool,
1961 window: &mut Window,
1962 cx: &mut Context<Self>,
1963 ) {
1964 window.invalidate_character_coordinates();
1965
1966 // Copy selections to primary selection buffer
1967 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1968 if local {
1969 let selections = self.selections.all::<usize>(cx);
1970 let buffer_handle = self.buffer.read(cx).read(cx);
1971
1972 let mut text = String::new();
1973 for (index, selection) in selections.iter().enumerate() {
1974 let text_for_selection = buffer_handle
1975 .text_for_range(selection.start..selection.end)
1976 .collect::<String>();
1977
1978 text.push_str(&text_for_selection);
1979 if index != selections.len() - 1 {
1980 text.push('\n');
1981 }
1982 }
1983
1984 if !text.is_empty() {
1985 cx.write_to_primary(ClipboardItem::new_string(text));
1986 }
1987 }
1988
1989 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
1990 self.buffer.update(cx, |buffer, cx| {
1991 buffer.set_active_selections(
1992 &self.selections.disjoint_anchors(),
1993 self.selections.line_mode,
1994 self.cursor_shape,
1995 cx,
1996 )
1997 });
1998 }
1999 let display_map = self
2000 .display_map
2001 .update(cx, |display_map, cx| display_map.snapshot(cx));
2002 let buffer = &display_map.buffer_snapshot;
2003 self.add_selections_state = None;
2004 self.select_next_state = None;
2005 self.select_prev_state = None;
2006 self.select_larger_syntax_node_stack.clear();
2007 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2008 self.snippet_stack
2009 .invalidate(&self.selections.disjoint_anchors(), buffer);
2010 self.take_rename(false, window, cx);
2011
2012 let new_cursor_position = self.selections.newest_anchor().head();
2013
2014 self.push_to_nav_history(
2015 *old_cursor_position,
2016 Some(new_cursor_position.to_point(buffer)),
2017 cx,
2018 );
2019
2020 if local {
2021 let new_cursor_position = self.selections.newest_anchor().head();
2022 let mut context_menu = self.context_menu.borrow_mut();
2023 let completion_menu = match context_menu.as_ref() {
2024 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2025 _ => {
2026 *context_menu = None;
2027 None
2028 }
2029 };
2030
2031 if let Some(completion_menu) = completion_menu {
2032 let cursor_position = new_cursor_position.to_offset(buffer);
2033 let (word_range, kind) =
2034 buffer.surrounding_word(completion_menu.initial_position, true);
2035 if kind == Some(CharKind::Word)
2036 && word_range.to_inclusive().contains(&cursor_position)
2037 {
2038 let mut completion_menu = completion_menu.clone();
2039 drop(context_menu);
2040
2041 let query = Self::completion_query(buffer, cursor_position);
2042 cx.spawn(move |this, mut cx| async move {
2043 completion_menu
2044 .filter(query.as_deref(), cx.background_executor().clone())
2045 .await;
2046
2047 this.update(&mut cx, |this, cx| {
2048 let mut context_menu = this.context_menu.borrow_mut();
2049 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2050 else {
2051 return;
2052 };
2053
2054 if menu.id > completion_menu.id {
2055 return;
2056 }
2057
2058 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2059 drop(context_menu);
2060 cx.notify();
2061 })
2062 })
2063 .detach();
2064
2065 if show_completions {
2066 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2067 }
2068 } else {
2069 drop(context_menu);
2070 self.hide_context_menu(window, cx);
2071 }
2072 } else {
2073 drop(context_menu);
2074 }
2075
2076 hide_hover(self, cx);
2077
2078 if old_cursor_position.to_display_point(&display_map).row()
2079 != new_cursor_position.to_display_point(&display_map).row()
2080 {
2081 self.available_code_actions.take();
2082 }
2083 self.refresh_code_actions(window, cx);
2084 self.refresh_document_highlights(cx);
2085 refresh_matching_bracket_highlights(self, window, cx);
2086 self.update_visible_inline_completion(window, cx);
2087 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2088 if self.git_blame_inline_enabled {
2089 self.start_inline_blame_timer(window, cx);
2090 }
2091 }
2092
2093 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2094 cx.emit(EditorEvent::SelectionsChanged { local });
2095
2096 if self.selections.disjoint_anchors().len() == 1 {
2097 cx.emit(SearchEvent::ActiveMatchChanged)
2098 }
2099 cx.notify();
2100 }
2101
2102 pub fn change_selections<R>(
2103 &mut self,
2104 autoscroll: Option<Autoscroll>,
2105 window: &mut Window,
2106 cx: &mut Context<Self>,
2107 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2108 ) -> R {
2109 self.change_selections_inner(autoscroll, true, window, cx, change)
2110 }
2111
2112 pub fn change_selections_inner<R>(
2113 &mut self,
2114 autoscroll: Option<Autoscroll>,
2115 request_completions: bool,
2116 window: &mut Window,
2117 cx: &mut Context<Self>,
2118 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2119 ) -> R {
2120 let old_cursor_position = self.selections.newest_anchor().head();
2121 self.push_to_selection_history();
2122
2123 let (changed, result) = self.selections.change_with(cx, change);
2124
2125 if changed {
2126 if let Some(autoscroll) = autoscroll {
2127 self.request_autoscroll(autoscroll, cx);
2128 }
2129 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2130
2131 if self.should_open_signature_help_automatically(
2132 &old_cursor_position,
2133 self.signature_help_state.backspace_pressed(),
2134 cx,
2135 ) {
2136 self.show_signature_help(&ShowSignatureHelp, window, cx);
2137 }
2138 self.signature_help_state.set_backspace_pressed(false);
2139 }
2140
2141 result
2142 }
2143
2144 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2145 where
2146 I: IntoIterator<Item = (Range<S>, T)>,
2147 S: ToOffset,
2148 T: Into<Arc<str>>,
2149 {
2150 if self.read_only(cx) {
2151 return;
2152 }
2153
2154 self.buffer
2155 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2156 }
2157
2158 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2159 where
2160 I: IntoIterator<Item = (Range<S>, T)>,
2161 S: ToOffset,
2162 T: Into<Arc<str>>,
2163 {
2164 if self.read_only(cx) {
2165 return;
2166 }
2167
2168 self.buffer.update(cx, |buffer, cx| {
2169 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2170 });
2171 }
2172
2173 pub fn edit_with_block_indent<I, S, T>(
2174 &mut self,
2175 edits: I,
2176 original_indent_columns: Vec<u32>,
2177 cx: &mut Context<Self>,
2178 ) where
2179 I: IntoIterator<Item = (Range<S>, T)>,
2180 S: ToOffset,
2181 T: Into<Arc<str>>,
2182 {
2183 if self.read_only(cx) {
2184 return;
2185 }
2186
2187 self.buffer.update(cx, |buffer, cx| {
2188 buffer.edit(
2189 edits,
2190 Some(AutoindentMode::Block {
2191 original_indent_columns,
2192 }),
2193 cx,
2194 )
2195 });
2196 }
2197
2198 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2199 self.hide_context_menu(window, cx);
2200
2201 match phase {
2202 SelectPhase::Begin {
2203 position,
2204 add,
2205 click_count,
2206 } => self.begin_selection(position, add, click_count, window, cx),
2207 SelectPhase::BeginColumnar {
2208 position,
2209 goal_column,
2210 reset,
2211 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2212 SelectPhase::Extend {
2213 position,
2214 click_count,
2215 } => self.extend_selection(position, click_count, window, cx),
2216 SelectPhase::Update {
2217 position,
2218 goal_column,
2219 scroll_delta,
2220 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2221 SelectPhase::End => self.end_selection(window, cx),
2222 }
2223 }
2224
2225 fn extend_selection(
2226 &mut self,
2227 position: DisplayPoint,
2228 click_count: usize,
2229 window: &mut Window,
2230 cx: &mut Context<Self>,
2231 ) {
2232 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2233 let tail = self.selections.newest::<usize>(cx).tail();
2234 self.begin_selection(position, false, click_count, window, cx);
2235
2236 let position = position.to_offset(&display_map, Bias::Left);
2237 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2238
2239 let mut pending_selection = self
2240 .selections
2241 .pending_anchor()
2242 .expect("extend_selection not called with pending selection");
2243 if position >= tail {
2244 pending_selection.start = tail_anchor;
2245 } else {
2246 pending_selection.end = tail_anchor;
2247 pending_selection.reversed = true;
2248 }
2249
2250 let mut pending_mode = self.selections.pending_mode().unwrap();
2251 match &mut pending_mode {
2252 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2253 _ => {}
2254 }
2255
2256 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2257 s.set_pending(pending_selection, pending_mode)
2258 });
2259 }
2260
2261 fn begin_selection(
2262 &mut self,
2263 position: DisplayPoint,
2264 add: bool,
2265 click_count: usize,
2266 window: &mut Window,
2267 cx: &mut Context<Self>,
2268 ) {
2269 if !self.focus_handle.is_focused(window) {
2270 self.last_focused_descendant = None;
2271 window.focus(&self.focus_handle);
2272 }
2273
2274 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2275 let buffer = &display_map.buffer_snapshot;
2276 let newest_selection = self.selections.newest_anchor().clone();
2277 let position = display_map.clip_point(position, Bias::Left);
2278
2279 let start;
2280 let end;
2281 let mode;
2282 let mut auto_scroll;
2283 match click_count {
2284 1 => {
2285 start = buffer.anchor_before(position.to_point(&display_map));
2286 end = start;
2287 mode = SelectMode::Character;
2288 auto_scroll = true;
2289 }
2290 2 => {
2291 let range = movement::surrounding_word(&display_map, position);
2292 start = buffer.anchor_before(range.start.to_point(&display_map));
2293 end = buffer.anchor_before(range.end.to_point(&display_map));
2294 mode = SelectMode::Word(start..end);
2295 auto_scroll = true;
2296 }
2297 3 => {
2298 let position = display_map
2299 .clip_point(position, Bias::Left)
2300 .to_point(&display_map);
2301 let line_start = display_map.prev_line_boundary(position).0;
2302 let next_line_start = buffer.clip_point(
2303 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2304 Bias::Left,
2305 );
2306 start = buffer.anchor_before(line_start);
2307 end = buffer.anchor_before(next_line_start);
2308 mode = SelectMode::Line(start..end);
2309 auto_scroll = true;
2310 }
2311 _ => {
2312 start = buffer.anchor_before(0);
2313 end = buffer.anchor_before(buffer.len());
2314 mode = SelectMode::All;
2315 auto_scroll = false;
2316 }
2317 }
2318 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2319
2320 let point_to_delete: Option<usize> = {
2321 let selected_points: Vec<Selection<Point>> =
2322 self.selections.disjoint_in_range(start..end, cx);
2323
2324 if !add || click_count > 1 {
2325 None
2326 } else if !selected_points.is_empty() {
2327 Some(selected_points[0].id)
2328 } else {
2329 let clicked_point_already_selected =
2330 self.selections.disjoint.iter().find(|selection| {
2331 selection.start.to_point(buffer) == start.to_point(buffer)
2332 || selection.end.to_point(buffer) == end.to_point(buffer)
2333 });
2334
2335 clicked_point_already_selected.map(|selection| selection.id)
2336 }
2337 };
2338
2339 let selections_count = self.selections.count();
2340
2341 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2342 if let Some(point_to_delete) = point_to_delete {
2343 s.delete(point_to_delete);
2344
2345 if selections_count == 1 {
2346 s.set_pending_anchor_range(start..end, mode);
2347 }
2348 } else {
2349 if !add {
2350 s.clear_disjoint();
2351 } else if click_count > 1 {
2352 s.delete(newest_selection.id)
2353 }
2354
2355 s.set_pending_anchor_range(start..end, mode);
2356 }
2357 });
2358 }
2359
2360 fn begin_columnar_selection(
2361 &mut self,
2362 position: DisplayPoint,
2363 goal_column: u32,
2364 reset: bool,
2365 window: &mut Window,
2366 cx: &mut Context<Self>,
2367 ) {
2368 if !self.focus_handle.is_focused(window) {
2369 self.last_focused_descendant = None;
2370 window.focus(&self.focus_handle);
2371 }
2372
2373 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2374
2375 if reset {
2376 let pointer_position = display_map
2377 .buffer_snapshot
2378 .anchor_before(position.to_point(&display_map));
2379
2380 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2381 s.clear_disjoint();
2382 s.set_pending_anchor_range(
2383 pointer_position..pointer_position,
2384 SelectMode::Character,
2385 );
2386 });
2387 }
2388
2389 let tail = self.selections.newest::<Point>(cx).tail();
2390 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2391
2392 if !reset {
2393 self.select_columns(
2394 tail.to_display_point(&display_map),
2395 position,
2396 goal_column,
2397 &display_map,
2398 window,
2399 cx,
2400 );
2401 }
2402 }
2403
2404 fn update_selection(
2405 &mut self,
2406 position: DisplayPoint,
2407 goal_column: u32,
2408 scroll_delta: gpui::Point<f32>,
2409 window: &mut Window,
2410 cx: &mut Context<Self>,
2411 ) {
2412 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2413
2414 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2415 let tail = tail.to_display_point(&display_map);
2416 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2417 } else if let Some(mut pending) = self.selections.pending_anchor() {
2418 let buffer = self.buffer.read(cx).snapshot(cx);
2419 let head;
2420 let tail;
2421 let mode = self.selections.pending_mode().unwrap();
2422 match &mode {
2423 SelectMode::Character => {
2424 head = position.to_point(&display_map);
2425 tail = pending.tail().to_point(&buffer);
2426 }
2427 SelectMode::Word(original_range) => {
2428 let original_display_range = original_range.start.to_display_point(&display_map)
2429 ..original_range.end.to_display_point(&display_map);
2430 let original_buffer_range = original_display_range.start.to_point(&display_map)
2431 ..original_display_range.end.to_point(&display_map);
2432 if movement::is_inside_word(&display_map, position)
2433 || original_display_range.contains(&position)
2434 {
2435 let word_range = movement::surrounding_word(&display_map, position);
2436 if word_range.start < original_display_range.start {
2437 head = word_range.start.to_point(&display_map);
2438 } else {
2439 head = word_range.end.to_point(&display_map);
2440 }
2441 } else {
2442 head = position.to_point(&display_map);
2443 }
2444
2445 if head <= original_buffer_range.start {
2446 tail = original_buffer_range.end;
2447 } else {
2448 tail = original_buffer_range.start;
2449 }
2450 }
2451 SelectMode::Line(original_range) => {
2452 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2453
2454 let position = display_map
2455 .clip_point(position, Bias::Left)
2456 .to_point(&display_map);
2457 let line_start = display_map.prev_line_boundary(position).0;
2458 let next_line_start = buffer.clip_point(
2459 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2460 Bias::Left,
2461 );
2462
2463 if line_start < original_range.start {
2464 head = line_start
2465 } else {
2466 head = next_line_start
2467 }
2468
2469 if head <= original_range.start {
2470 tail = original_range.end;
2471 } else {
2472 tail = original_range.start;
2473 }
2474 }
2475 SelectMode::All => {
2476 return;
2477 }
2478 };
2479
2480 if head < tail {
2481 pending.start = buffer.anchor_before(head);
2482 pending.end = buffer.anchor_before(tail);
2483 pending.reversed = true;
2484 } else {
2485 pending.start = buffer.anchor_before(tail);
2486 pending.end = buffer.anchor_before(head);
2487 pending.reversed = false;
2488 }
2489
2490 self.change_selections(None, window, cx, |s| {
2491 s.set_pending(pending, mode);
2492 });
2493 } else {
2494 log::error!("update_selection dispatched with no pending selection");
2495 return;
2496 }
2497
2498 self.apply_scroll_delta(scroll_delta, window, cx);
2499 cx.notify();
2500 }
2501
2502 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2503 self.columnar_selection_tail.take();
2504 if self.selections.pending_anchor().is_some() {
2505 let selections = self.selections.all::<usize>(cx);
2506 self.change_selections(None, window, cx, |s| {
2507 s.select(selections);
2508 s.clear_pending();
2509 });
2510 }
2511 }
2512
2513 fn select_columns(
2514 &mut self,
2515 tail: DisplayPoint,
2516 head: DisplayPoint,
2517 goal_column: u32,
2518 display_map: &DisplaySnapshot,
2519 window: &mut Window,
2520 cx: &mut Context<Self>,
2521 ) {
2522 let start_row = cmp::min(tail.row(), head.row());
2523 let end_row = cmp::max(tail.row(), head.row());
2524 let start_column = cmp::min(tail.column(), goal_column);
2525 let end_column = cmp::max(tail.column(), goal_column);
2526 let reversed = start_column < tail.column();
2527
2528 let selection_ranges = (start_row.0..=end_row.0)
2529 .map(DisplayRow)
2530 .filter_map(|row| {
2531 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2532 let start = display_map
2533 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2534 .to_point(display_map);
2535 let end = display_map
2536 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2537 .to_point(display_map);
2538 if reversed {
2539 Some(end..start)
2540 } else {
2541 Some(start..end)
2542 }
2543 } else {
2544 None
2545 }
2546 })
2547 .collect::<Vec<_>>();
2548
2549 self.change_selections(None, window, cx, |s| {
2550 s.select_ranges(selection_ranges);
2551 });
2552 cx.notify();
2553 }
2554
2555 pub fn has_pending_nonempty_selection(&self) -> bool {
2556 let pending_nonempty_selection = match self.selections.pending_anchor() {
2557 Some(Selection { start, end, .. }) => start != end,
2558 None => false,
2559 };
2560
2561 pending_nonempty_selection
2562 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2563 }
2564
2565 pub fn has_pending_selection(&self) -> bool {
2566 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2567 }
2568
2569 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2570 self.selection_mark_mode = false;
2571
2572 if self.clear_expanded_diff_hunks(cx) {
2573 cx.notify();
2574 return;
2575 }
2576 if self.dismiss_menus_and_popups(true, window, cx) {
2577 return;
2578 }
2579
2580 if self.mode == EditorMode::Full
2581 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2582 {
2583 return;
2584 }
2585
2586 cx.propagate();
2587 }
2588
2589 pub fn dismiss_menus_and_popups(
2590 &mut self,
2591 should_report_inline_completion_event: bool,
2592 window: &mut Window,
2593 cx: &mut Context<Self>,
2594 ) -> bool {
2595 if self.take_rename(false, window, cx).is_some() {
2596 return true;
2597 }
2598
2599 if hide_hover(self, cx) {
2600 return true;
2601 }
2602
2603 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2604 return true;
2605 }
2606
2607 if self.hide_context_menu(window, cx).is_some() {
2608 if self.show_inline_completions_in_menu(cx) && self.has_active_inline_completion() {
2609 self.update_visible_inline_completion(window, cx);
2610 }
2611 return true;
2612 }
2613
2614 if self.mouse_context_menu.take().is_some() {
2615 return true;
2616 }
2617
2618 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2619 return true;
2620 }
2621
2622 if self.snippet_stack.pop().is_some() {
2623 return true;
2624 }
2625
2626 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2627 self.dismiss_diagnostics(cx);
2628 return true;
2629 }
2630
2631 false
2632 }
2633
2634 fn linked_editing_ranges_for(
2635 &self,
2636 selection: Range<text::Anchor>,
2637 cx: &App,
2638 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2639 if self.linked_edit_ranges.is_empty() {
2640 return None;
2641 }
2642 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2643 selection.end.buffer_id.and_then(|end_buffer_id| {
2644 if selection.start.buffer_id != Some(end_buffer_id) {
2645 return None;
2646 }
2647 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2648 let snapshot = buffer.read(cx).snapshot();
2649 self.linked_edit_ranges
2650 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2651 .map(|ranges| (ranges, snapshot, buffer))
2652 })?;
2653 use text::ToOffset as TO;
2654 // find offset from the start of current range to current cursor position
2655 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2656
2657 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2658 let start_difference = start_offset - start_byte_offset;
2659 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2660 let end_difference = end_offset - start_byte_offset;
2661 // Current range has associated linked ranges.
2662 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2663 for range in linked_ranges.iter() {
2664 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2665 let end_offset = start_offset + end_difference;
2666 let start_offset = start_offset + start_difference;
2667 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2668 continue;
2669 }
2670 if self.selections.disjoint_anchor_ranges().any(|s| {
2671 if s.start.buffer_id != selection.start.buffer_id
2672 || s.end.buffer_id != selection.end.buffer_id
2673 {
2674 return false;
2675 }
2676 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2677 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2678 }) {
2679 continue;
2680 }
2681 let start = buffer_snapshot.anchor_after(start_offset);
2682 let end = buffer_snapshot.anchor_after(end_offset);
2683 linked_edits
2684 .entry(buffer.clone())
2685 .or_default()
2686 .push(start..end);
2687 }
2688 Some(linked_edits)
2689 }
2690
2691 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2692 let text: Arc<str> = text.into();
2693
2694 if self.read_only(cx) {
2695 return;
2696 }
2697
2698 let selections = self.selections.all_adjusted(cx);
2699 let mut bracket_inserted = false;
2700 let mut edits = Vec::new();
2701 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2702 let mut new_selections = Vec::with_capacity(selections.len());
2703 let mut new_autoclose_regions = Vec::new();
2704 let snapshot = self.buffer.read(cx).read(cx);
2705
2706 for (selection, autoclose_region) in
2707 self.selections_with_autoclose_regions(selections, &snapshot)
2708 {
2709 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2710 // Determine if the inserted text matches the opening or closing
2711 // bracket of any of this language's bracket pairs.
2712 let mut bracket_pair = None;
2713 let mut is_bracket_pair_start = false;
2714 let mut is_bracket_pair_end = false;
2715 if !text.is_empty() {
2716 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2717 // and they are removing the character that triggered IME popup.
2718 for (pair, enabled) in scope.brackets() {
2719 if !pair.close && !pair.surround {
2720 continue;
2721 }
2722
2723 if enabled && pair.start.ends_with(text.as_ref()) {
2724 let prefix_len = pair.start.len() - text.len();
2725 let preceding_text_matches_prefix = prefix_len == 0
2726 || (selection.start.column >= (prefix_len as u32)
2727 && snapshot.contains_str_at(
2728 Point::new(
2729 selection.start.row,
2730 selection.start.column - (prefix_len as u32),
2731 ),
2732 &pair.start[..prefix_len],
2733 ));
2734 if preceding_text_matches_prefix {
2735 bracket_pair = Some(pair.clone());
2736 is_bracket_pair_start = true;
2737 break;
2738 }
2739 }
2740 if pair.end.as_str() == text.as_ref() {
2741 bracket_pair = Some(pair.clone());
2742 is_bracket_pair_end = true;
2743 break;
2744 }
2745 }
2746 }
2747
2748 if let Some(bracket_pair) = bracket_pair {
2749 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2750 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2751 let auto_surround =
2752 self.use_auto_surround && snapshot_settings.use_auto_surround;
2753 if selection.is_empty() {
2754 if is_bracket_pair_start {
2755 // If the inserted text is a suffix of an opening bracket and the
2756 // selection is preceded by the rest of the opening bracket, then
2757 // insert the closing bracket.
2758 let following_text_allows_autoclose = snapshot
2759 .chars_at(selection.start)
2760 .next()
2761 .map_or(true, |c| scope.should_autoclose_before(c));
2762
2763 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2764 && bracket_pair.start.len() == 1
2765 {
2766 let target = bracket_pair.start.chars().next().unwrap();
2767 let current_line_count = snapshot
2768 .reversed_chars_at(selection.start)
2769 .take_while(|&c| c != '\n')
2770 .filter(|&c| c == target)
2771 .count();
2772 current_line_count % 2 == 1
2773 } else {
2774 false
2775 };
2776
2777 if autoclose
2778 && bracket_pair.close
2779 && following_text_allows_autoclose
2780 && !is_closing_quote
2781 {
2782 let anchor = snapshot.anchor_before(selection.end);
2783 new_selections.push((selection.map(|_| anchor), text.len()));
2784 new_autoclose_regions.push((
2785 anchor,
2786 text.len(),
2787 selection.id,
2788 bracket_pair.clone(),
2789 ));
2790 edits.push((
2791 selection.range(),
2792 format!("{}{}", text, bracket_pair.end).into(),
2793 ));
2794 bracket_inserted = true;
2795 continue;
2796 }
2797 }
2798
2799 if let Some(region) = autoclose_region {
2800 // If the selection is followed by an auto-inserted closing bracket,
2801 // then don't insert that closing bracket again; just move the selection
2802 // past the closing bracket.
2803 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2804 && text.as_ref() == region.pair.end.as_str();
2805 if should_skip {
2806 let anchor = snapshot.anchor_after(selection.end);
2807 new_selections
2808 .push((selection.map(|_| anchor), region.pair.end.len()));
2809 continue;
2810 }
2811 }
2812
2813 let always_treat_brackets_as_autoclosed = snapshot
2814 .settings_at(selection.start, cx)
2815 .always_treat_brackets_as_autoclosed;
2816 if always_treat_brackets_as_autoclosed
2817 && is_bracket_pair_end
2818 && snapshot.contains_str_at(selection.end, text.as_ref())
2819 {
2820 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2821 // and the inserted text is a closing bracket and the selection is followed
2822 // by the closing bracket then move the selection past the closing bracket.
2823 let anchor = snapshot.anchor_after(selection.end);
2824 new_selections.push((selection.map(|_| anchor), text.len()));
2825 continue;
2826 }
2827 }
2828 // If an opening bracket is 1 character long and is typed while
2829 // text is selected, then surround that text with the bracket pair.
2830 else if auto_surround
2831 && bracket_pair.surround
2832 && is_bracket_pair_start
2833 && bracket_pair.start.chars().count() == 1
2834 {
2835 edits.push((selection.start..selection.start, text.clone()));
2836 edits.push((
2837 selection.end..selection.end,
2838 bracket_pair.end.as_str().into(),
2839 ));
2840 bracket_inserted = true;
2841 new_selections.push((
2842 Selection {
2843 id: selection.id,
2844 start: snapshot.anchor_after(selection.start),
2845 end: snapshot.anchor_before(selection.end),
2846 reversed: selection.reversed,
2847 goal: selection.goal,
2848 },
2849 0,
2850 ));
2851 continue;
2852 }
2853 }
2854 }
2855
2856 if self.auto_replace_emoji_shortcode
2857 && selection.is_empty()
2858 && text.as_ref().ends_with(':')
2859 {
2860 if let Some(possible_emoji_short_code) =
2861 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2862 {
2863 if !possible_emoji_short_code.is_empty() {
2864 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2865 let emoji_shortcode_start = Point::new(
2866 selection.start.row,
2867 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2868 );
2869
2870 // Remove shortcode from buffer
2871 edits.push((
2872 emoji_shortcode_start..selection.start,
2873 "".to_string().into(),
2874 ));
2875 new_selections.push((
2876 Selection {
2877 id: selection.id,
2878 start: snapshot.anchor_after(emoji_shortcode_start),
2879 end: snapshot.anchor_before(selection.start),
2880 reversed: selection.reversed,
2881 goal: selection.goal,
2882 },
2883 0,
2884 ));
2885
2886 // Insert emoji
2887 let selection_start_anchor = snapshot.anchor_after(selection.start);
2888 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2889 edits.push((selection.start..selection.end, emoji.to_string().into()));
2890
2891 continue;
2892 }
2893 }
2894 }
2895 }
2896
2897 // If not handling any auto-close operation, then just replace the selected
2898 // text with the given input and move the selection to the end of the
2899 // newly inserted text.
2900 let anchor = snapshot.anchor_after(selection.end);
2901 if !self.linked_edit_ranges.is_empty() {
2902 let start_anchor = snapshot.anchor_before(selection.start);
2903
2904 let is_word_char = text.chars().next().map_or(true, |char| {
2905 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2906 classifier.is_word(char)
2907 });
2908
2909 if is_word_char {
2910 if let Some(ranges) = self
2911 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2912 {
2913 for (buffer, edits) in ranges {
2914 linked_edits
2915 .entry(buffer.clone())
2916 .or_default()
2917 .extend(edits.into_iter().map(|range| (range, text.clone())));
2918 }
2919 }
2920 }
2921 }
2922
2923 new_selections.push((selection.map(|_| anchor), 0));
2924 edits.push((selection.start..selection.end, text.clone()));
2925 }
2926
2927 drop(snapshot);
2928
2929 self.transact(window, cx, |this, window, cx| {
2930 this.buffer.update(cx, |buffer, cx| {
2931 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2932 });
2933 for (buffer, edits) in linked_edits {
2934 buffer.update(cx, |buffer, cx| {
2935 let snapshot = buffer.snapshot();
2936 let edits = edits
2937 .into_iter()
2938 .map(|(range, text)| {
2939 use text::ToPoint as TP;
2940 let end_point = TP::to_point(&range.end, &snapshot);
2941 let start_point = TP::to_point(&range.start, &snapshot);
2942 (start_point..end_point, text)
2943 })
2944 .sorted_by_key(|(range, _)| range.start)
2945 .collect::<Vec<_>>();
2946 buffer.edit(edits, None, cx);
2947 })
2948 }
2949 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2950 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2951 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2952 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2953 .zip(new_selection_deltas)
2954 .map(|(selection, delta)| Selection {
2955 id: selection.id,
2956 start: selection.start + delta,
2957 end: selection.end + delta,
2958 reversed: selection.reversed,
2959 goal: SelectionGoal::None,
2960 })
2961 .collect::<Vec<_>>();
2962
2963 let mut i = 0;
2964 for (position, delta, selection_id, pair) in new_autoclose_regions {
2965 let position = position.to_offset(&map.buffer_snapshot) + delta;
2966 let start = map.buffer_snapshot.anchor_before(position);
2967 let end = map.buffer_snapshot.anchor_after(position);
2968 while let Some(existing_state) = this.autoclose_regions.get(i) {
2969 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2970 Ordering::Less => i += 1,
2971 Ordering::Greater => break,
2972 Ordering::Equal => {
2973 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
2974 Ordering::Less => i += 1,
2975 Ordering::Equal => break,
2976 Ordering::Greater => break,
2977 }
2978 }
2979 }
2980 }
2981 this.autoclose_regions.insert(
2982 i,
2983 AutocloseRegion {
2984 selection_id,
2985 range: start..end,
2986 pair,
2987 },
2988 );
2989 }
2990
2991 let had_active_inline_completion = this.has_active_inline_completion();
2992 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
2993 s.select(new_selections)
2994 });
2995
2996 if !bracket_inserted {
2997 if let Some(on_type_format_task) =
2998 this.trigger_on_type_formatting(text.to_string(), window, cx)
2999 {
3000 on_type_format_task.detach_and_log_err(cx);
3001 }
3002 }
3003
3004 let editor_settings = EditorSettings::get_global(cx);
3005 if bracket_inserted
3006 && (editor_settings.auto_signature_help
3007 || editor_settings.show_signature_help_after_edits)
3008 {
3009 this.show_signature_help(&ShowSignatureHelp, window, cx);
3010 }
3011
3012 let trigger_in_words =
3013 this.show_inline_completions_in_menu(cx) || !had_active_inline_completion;
3014 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3015 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3016 this.refresh_inline_completion(true, false, window, cx);
3017 });
3018 }
3019
3020 fn find_possible_emoji_shortcode_at_position(
3021 snapshot: &MultiBufferSnapshot,
3022 position: Point,
3023 ) -> Option<String> {
3024 let mut chars = Vec::new();
3025 let mut found_colon = false;
3026 for char in snapshot.reversed_chars_at(position).take(100) {
3027 // Found a possible emoji shortcode in the middle of the buffer
3028 if found_colon {
3029 if char.is_whitespace() {
3030 chars.reverse();
3031 return Some(chars.iter().collect());
3032 }
3033 // If the previous character is not a whitespace, we are in the middle of a word
3034 // and we only want to complete the shortcode if the word is made up of other emojis
3035 let mut containing_word = String::new();
3036 for ch in snapshot
3037 .reversed_chars_at(position)
3038 .skip(chars.len() + 1)
3039 .take(100)
3040 {
3041 if ch.is_whitespace() {
3042 break;
3043 }
3044 containing_word.push(ch);
3045 }
3046 let containing_word = containing_word.chars().rev().collect::<String>();
3047 if util::word_consists_of_emojis(containing_word.as_str()) {
3048 chars.reverse();
3049 return Some(chars.iter().collect());
3050 }
3051 }
3052
3053 if char.is_whitespace() || !char.is_ascii() {
3054 return None;
3055 }
3056 if char == ':' {
3057 found_colon = true;
3058 } else {
3059 chars.push(char);
3060 }
3061 }
3062 // Found a possible emoji shortcode at the beginning of the buffer
3063 chars.reverse();
3064 Some(chars.iter().collect())
3065 }
3066
3067 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3068 self.transact(window, cx, |this, window, cx| {
3069 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3070 let selections = this.selections.all::<usize>(cx);
3071 let multi_buffer = this.buffer.read(cx);
3072 let buffer = multi_buffer.snapshot(cx);
3073 selections
3074 .iter()
3075 .map(|selection| {
3076 let start_point = selection.start.to_point(&buffer);
3077 let mut indent =
3078 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3079 indent.len = cmp::min(indent.len, start_point.column);
3080 let start = selection.start;
3081 let end = selection.end;
3082 let selection_is_empty = start == end;
3083 let language_scope = buffer.language_scope_at(start);
3084 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3085 &language_scope
3086 {
3087 let leading_whitespace_len = buffer
3088 .reversed_chars_at(start)
3089 .take_while(|c| c.is_whitespace() && *c != '\n')
3090 .map(|c| c.len_utf8())
3091 .sum::<usize>();
3092
3093 let trailing_whitespace_len = buffer
3094 .chars_at(end)
3095 .take_while(|c| c.is_whitespace() && *c != '\n')
3096 .map(|c| c.len_utf8())
3097 .sum::<usize>();
3098
3099 let insert_extra_newline =
3100 language.brackets().any(|(pair, enabled)| {
3101 let pair_start = pair.start.trim_end();
3102 let pair_end = pair.end.trim_start();
3103
3104 enabled
3105 && pair.newline
3106 && buffer.contains_str_at(
3107 end + trailing_whitespace_len,
3108 pair_end,
3109 )
3110 && buffer.contains_str_at(
3111 (start - leading_whitespace_len)
3112 .saturating_sub(pair_start.len()),
3113 pair_start,
3114 )
3115 });
3116
3117 // Comment extension on newline is allowed only for cursor selections
3118 let comment_delimiter = maybe!({
3119 if !selection_is_empty {
3120 return None;
3121 }
3122
3123 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3124 return None;
3125 }
3126
3127 let delimiters = language.line_comment_prefixes();
3128 let max_len_of_delimiter =
3129 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3130 let (snapshot, range) =
3131 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3132
3133 let mut index_of_first_non_whitespace = 0;
3134 let comment_candidate = snapshot
3135 .chars_for_range(range)
3136 .skip_while(|c| {
3137 let should_skip = c.is_whitespace();
3138 if should_skip {
3139 index_of_first_non_whitespace += 1;
3140 }
3141 should_skip
3142 })
3143 .take(max_len_of_delimiter)
3144 .collect::<String>();
3145 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3146 comment_candidate.starts_with(comment_prefix.as_ref())
3147 })?;
3148 let cursor_is_placed_after_comment_marker =
3149 index_of_first_non_whitespace + comment_prefix.len()
3150 <= start_point.column as usize;
3151 if cursor_is_placed_after_comment_marker {
3152 Some(comment_prefix.clone())
3153 } else {
3154 None
3155 }
3156 });
3157 (comment_delimiter, insert_extra_newline)
3158 } else {
3159 (None, false)
3160 };
3161
3162 let capacity_for_delimiter = comment_delimiter
3163 .as_deref()
3164 .map(str::len)
3165 .unwrap_or_default();
3166 let mut new_text =
3167 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3168 new_text.push('\n');
3169 new_text.extend(indent.chars());
3170 if let Some(delimiter) = &comment_delimiter {
3171 new_text.push_str(delimiter);
3172 }
3173 if insert_extra_newline {
3174 new_text = new_text.repeat(2);
3175 }
3176
3177 let anchor = buffer.anchor_after(end);
3178 let new_selection = selection.map(|_| anchor);
3179 (
3180 (start..end, new_text),
3181 (insert_extra_newline, new_selection),
3182 )
3183 })
3184 .unzip()
3185 };
3186
3187 this.edit_with_autoindent(edits, cx);
3188 let buffer = this.buffer.read(cx).snapshot(cx);
3189 let new_selections = selection_fixup_info
3190 .into_iter()
3191 .map(|(extra_newline_inserted, new_selection)| {
3192 let mut cursor = new_selection.end.to_point(&buffer);
3193 if extra_newline_inserted {
3194 cursor.row -= 1;
3195 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3196 }
3197 new_selection.map(|_| cursor)
3198 })
3199 .collect();
3200
3201 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3202 s.select(new_selections)
3203 });
3204 this.refresh_inline_completion(true, false, window, cx);
3205 });
3206 }
3207
3208 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3209 let buffer = self.buffer.read(cx);
3210 let snapshot = buffer.snapshot(cx);
3211
3212 let mut edits = Vec::new();
3213 let mut rows = Vec::new();
3214
3215 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3216 let cursor = selection.head();
3217 let row = cursor.row;
3218
3219 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3220
3221 let newline = "\n".to_string();
3222 edits.push((start_of_line..start_of_line, newline));
3223
3224 rows.push(row + rows_inserted as u32);
3225 }
3226
3227 self.transact(window, cx, |editor, window, cx| {
3228 editor.edit(edits, cx);
3229
3230 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3231 let mut index = 0;
3232 s.move_cursors_with(|map, _, _| {
3233 let row = rows[index];
3234 index += 1;
3235
3236 let point = Point::new(row, 0);
3237 let boundary = map.next_line_boundary(point).1;
3238 let clipped = map.clip_point(boundary, Bias::Left);
3239
3240 (clipped, SelectionGoal::None)
3241 });
3242 });
3243
3244 let mut indent_edits = Vec::new();
3245 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3246 for row in rows {
3247 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3248 for (row, indent) in indents {
3249 if indent.len == 0 {
3250 continue;
3251 }
3252
3253 let text = match indent.kind {
3254 IndentKind::Space => " ".repeat(indent.len as usize),
3255 IndentKind::Tab => "\t".repeat(indent.len as usize),
3256 };
3257 let point = Point::new(row.0, 0);
3258 indent_edits.push((point..point, text));
3259 }
3260 }
3261 editor.edit(indent_edits, cx);
3262 });
3263 }
3264
3265 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3266 let buffer = self.buffer.read(cx);
3267 let snapshot = buffer.snapshot(cx);
3268
3269 let mut edits = Vec::new();
3270 let mut rows = Vec::new();
3271 let mut rows_inserted = 0;
3272
3273 for selection in self.selections.all_adjusted(cx) {
3274 let cursor = selection.head();
3275 let row = cursor.row;
3276
3277 let point = Point::new(row + 1, 0);
3278 let start_of_line = snapshot.clip_point(point, Bias::Left);
3279
3280 let newline = "\n".to_string();
3281 edits.push((start_of_line..start_of_line, newline));
3282
3283 rows_inserted += 1;
3284 rows.push(row + rows_inserted);
3285 }
3286
3287 self.transact(window, cx, |editor, window, cx| {
3288 editor.edit(edits, cx);
3289
3290 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3291 let mut index = 0;
3292 s.move_cursors_with(|map, _, _| {
3293 let row = rows[index];
3294 index += 1;
3295
3296 let point = Point::new(row, 0);
3297 let boundary = map.next_line_boundary(point).1;
3298 let clipped = map.clip_point(boundary, Bias::Left);
3299
3300 (clipped, SelectionGoal::None)
3301 });
3302 });
3303
3304 let mut indent_edits = Vec::new();
3305 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3306 for row in rows {
3307 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3308 for (row, indent) in indents {
3309 if indent.len == 0 {
3310 continue;
3311 }
3312
3313 let text = match indent.kind {
3314 IndentKind::Space => " ".repeat(indent.len as usize),
3315 IndentKind::Tab => "\t".repeat(indent.len as usize),
3316 };
3317 let point = Point::new(row.0, 0);
3318 indent_edits.push((point..point, text));
3319 }
3320 }
3321 editor.edit(indent_edits, cx);
3322 });
3323 }
3324
3325 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3326 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3327 original_indent_columns: Vec::new(),
3328 });
3329 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3330 }
3331
3332 fn insert_with_autoindent_mode(
3333 &mut self,
3334 text: &str,
3335 autoindent_mode: Option<AutoindentMode>,
3336 window: &mut Window,
3337 cx: &mut Context<Self>,
3338 ) {
3339 if self.read_only(cx) {
3340 return;
3341 }
3342
3343 let text: Arc<str> = text.into();
3344 self.transact(window, cx, |this, window, cx| {
3345 let old_selections = this.selections.all_adjusted(cx);
3346 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3347 let anchors = {
3348 let snapshot = buffer.read(cx);
3349 old_selections
3350 .iter()
3351 .map(|s| {
3352 let anchor = snapshot.anchor_after(s.head());
3353 s.map(|_| anchor)
3354 })
3355 .collect::<Vec<_>>()
3356 };
3357 buffer.edit(
3358 old_selections
3359 .iter()
3360 .map(|s| (s.start..s.end, text.clone())),
3361 autoindent_mode,
3362 cx,
3363 );
3364 anchors
3365 });
3366
3367 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3368 s.select_anchors(selection_anchors);
3369 });
3370
3371 cx.notify();
3372 });
3373 }
3374
3375 fn trigger_completion_on_input(
3376 &mut self,
3377 text: &str,
3378 trigger_in_words: bool,
3379 window: &mut Window,
3380 cx: &mut Context<Self>,
3381 ) {
3382 if self.is_completion_trigger(text, trigger_in_words, cx) {
3383 self.show_completions(
3384 &ShowCompletions {
3385 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3386 },
3387 window,
3388 cx,
3389 );
3390 } else {
3391 self.hide_context_menu(window, cx);
3392 }
3393 }
3394
3395 fn is_completion_trigger(
3396 &self,
3397 text: &str,
3398 trigger_in_words: bool,
3399 cx: &mut Context<Self>,
3400 ) -> bool {
3401 let position = self.selections.newest_anchor().head();
3402 let multibuffer = self.buffer.read(cx);
3403 let Some(buffer) = position
3404 .buffer_id
3405 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3406 else {
3407 return false;
3408 };
3409
3410 if let Some(completion_provider) = &self.completion_provider {
3411 completion_provider.is_completion_trigger(
3412 &buffer,
3413 position.text_anchor,
3414 text,
3415 trigger_in_words,
3416 cx,
3417 )
3418 } else {
3419 false
3420 }
3421 }
3422
3423 /// If any empty selections is touching the start of its innermost containing autoclose
3424 /// region, expand it to select the brackets.
3425 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3426 let selections = self.selections.all::<usize>(cx);
3427 let buffer = self.buffer.read(cx).read(cx);
3428 let new_selections = self
3429 .selections_with_autoclose_regions(selections, &buffer)
3430 .map(|(mut selection, region)| {
3431 if !selection.is_empty() {
3432 return selection;
3433 }
3434
3435 if let Some(region) = region {
3436 let mut range = region.range.to_offset(&buffer);
3437 if selection.start == range.start && range.start >= region.pair.start.len() {
3438 range.start -= region.pair.start.len();
3439 if buffer.contains_str_at(range.start, ®ion.pair.start)
3440 && buffer.contains_str_at(range.end, ®ion.pair.end)
3441 {
3442 range.end += region.pair.end.len();
3443 selection.start = range.start;
3444 selection.end = range.end;
3445
3446 return selection;
3447 }
3448 }
3449 }
3450
3451 let always_treat_brackets_as_autoclosed = buffer
3452 .settings_at(selection.start, cx)
3453 .always_treat_brackets_as_autoclosed;
3454
3455 if !always_treat_brackets_as_autoclosed {
3456 return selection;
3457 }
3458
3459 if let Some(scope) = buffer.language_scope_at(selection.start) {
3460 for (pair, enabled) in scope.brackets() {
3461 if !enabled || !pair.close {
3462 continue;
3463 }
3464
3465 if buffer.contains_str_at(selection.start, &pair.end) {
3466 let pair_start_len = pair.start.len();
3467 if buffer.contains_str_at(
3468 selection.start.saturating_sub(pair_start_len),
3469 &pair.start,
3470 ) {
3471 selection.start -= pair_start_len;
3472 selection.end += pair.end.len();
3473
3474 return selection;
3475 }
3476 }
3477 }
3478 }
3479
3480 selection
3481 })
3482 .collect();
3483
3484 drop(buffer);
3485 self.change_selections(None, window, cx, |selections| {
3486 selections.select(new_selections)
3487 });
3488 }
3489
3490 /// Iterate the given selections, and for each one, find the smallest surrounding
3491 /// autoclose region. This uses the ordering of the selections and the autoclose
3492 /// regions to avoid repeated comparisons.
3493 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3494 &'a self,
3495 selections: impl IntoIterator<Item = Selection<D>>,
3496 buffer: &'a MultiBufferSnapshot,
3497 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3498 let mut i = 0;
3499 let mut regions = self.autoclose_regions.as_slice();
3500 selections.into_iter().map(move |selection| {
3501 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3502
3503 let mut enclosing = None;
3504 while let Some(pair_state) = regions.get(i) {
3505 if pair_state.range.end.to_offset(buffer) < range.start {
3506 regions = ®ions[i + 1..];
3507 i = 0;
3508 } else if pair_state.range.start.to_offset(buffer) > range.end {
3509 break;
3510 } else {
3511 if pair_state.selection_id == selection.id {
3512 enclosing = Some(pair_state);
3513 }
3514 i += 1;
3515 }
3516 }
3517
3518 (selection, enclosing)
3519 })
3520 }
3521
3522 /// Remove any autoclose regions that no longer contain their selection.
3523 fn invalidate_autoclose_regions(
3524 &mut self,
3525 mut selections: &[Selection<Anchor>],
3526 buffer: &MultiBufferSnapshot,
3527 ) {
3528 self.autoclose_regions.retain(|state| {
3529 let mut i = 0;
3530 while let Some(selection) = selections.get(i) {
3531 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3532 selections = &selections[1..];
3533 continue;
3534 }
3535 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3536 break;
3537 }
3538 if selection.id == state.selection_id {
3539 return true;
3540 } else {
3541 i += 1;
3542 }
3543 }
3544 false
3545 });
3546 }
3547
3548 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3549 let offset = position.to_offset(buffer);
3550 let (word_range, kind) = buffer.surrounding_word(offset, true);
3551 if offset > word_range.start && kind == Some(CharKind::Word) {
3552 Some(
3553 buffer
3554 .text_for_range(word_range.start..offset)
3555 .collect::<String>(),
3556 )
3557 } else {
3558 None
3559 }
3560 }
3561
3562 pub fn toggle_inlay_hints(
3563 &mut self,
3564 _: &ToggleInlayHints,
3565 _: &mut Window,
3566 cx: &mut Context<Self>,
3567 ) {
3568 self.refresh_inlay_hints(
3569 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3570 cx,
3571 );
3572 }
3573
3574 pub fn inlay_hints_enabled(&self) -> bool {
3575 self.inlay_hint_cache.enabled
3576 }
3577
3578 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3579 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3580 return;
3581 }
3582
3583 let reason_description = reason.description();
3584 let ignore_debounce = matches!(
3585 reason,
3586 InlayHintRefreshReason::SettingsChange(_)
3587 | InlayHintRefreshReason::Toggle(_)
3588 | InlayHintRefreshReason::ExcerptsRemoved(_)
3589 );
3590 let (invalidate_cache, required_languages) = match reason {
3591 InlayHintRefreshReason::Toggle(enabled) => {
3592 self.inlay_hint_cache.enabled = enabled;
3593 if enabled {
3594 (InvalidationStrategy::RefreshRequested, None)
3595 } else {
3596 self.inlay_hint_cache.clear();
3597 self.splice_inlays(
3598 self.visible_inlay_hints(cx)
3599 .iter()
3600 .map(|inlay| inlay.id)
3601 .collect(),
3602 Vec::new(),
3603 cx,
3604 );
3605 return;
3606 }
3607 }
3608 InlayHintRefreshReason::SettingsChange(new_settings) => {
3609 match self.inlay_hint_cache.update_settings(
3610 &self.buffer,
3611 new_settings,
3612 self.visible_inlay_hints(cx),
3613 cx,
3614 ) {
3615 ControlFlow::Break(Some(InlaySplice {
3616 to_remove,
3617 to_insert,
3618 })) => {
3619 self.splice_inlays(to_remove, to_insert, cx);
3620 return;
3621 }
3622 ControlFlow::Break(None) => return,
3623 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3624 }
3625 }
3626 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3627 if let Some(InlaySplice {
3628 to_remove,
3629 to_insert,
3630 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3631 {
3632 self.splice_inlays(to_remove, to_insert, cx);
3633 }
3634 return;
3635 }
3636 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3637 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3638 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3639 }
3640 InlayHintRefreshReason::RefreshRequested => {
3641 (InvalidationStrategy::RefreshRequested, None)
3642 }
3643 };
3644
3645 if let Some(InlaySplice {
3646 to_remove,
3647 to_insert,
3648 }) = self.inlay_hint_cache.spawn_hint_refresh(
3649 reason_description,
3650 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3651 invalidate_cache,
3652 ignore_debounce,
3653 cx,
3654 ) {
3655 self.splice_inlays(to_remove, to_insert, cx);
3656 }
3657 }
3658
3659 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3660 self.display_map
3661 .read(cx)
3662 .current_inlays()
3663 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3664 .cloned()
3665 .collect()
3666 }
3667
3668 pub fn excerpts_for_inlay_hints_query(
3669 &self,
3670 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3671 cx: &mut Context<Editor>,
3672 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3673 let Some(project) = self.project.as_ref() else {
3674 return HashMap::default();
3675 };
3676 let project = project.read(cx);
3677 let multi_buffer = self.buffer().read(cx);
3678 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3679 let multi_buffer_visible_start = self
3680 .scroll_manager
3681 .anchor()
3682 .anchor
3683 .to_point(&multi_buffer_snapshot);
3684 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3685 multi_buffer_visible_start
3686 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3687 Bias::Left,
3688 );
3689 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3690 multi_buffer_snapshot
3691 .range_to_buffer_ranges(multi_buffer_visible_range)
3692 .into_iter()
3693 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3694 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3695 let buffer_file = project::File::from_dyn(buffer.file())?;
3696 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3697 let worktree_entry = buffer_worktree
3698 .read(cx)
3699 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3700 if worktree_entry.is_ignored {
3701 return None;
3702 }
3703
3704 let language = buffer.language()?;
3705 if let Some(restrict_to_languages) = restrict_to_languages {
3706 if !restrict_to_languages.contains(language) {
3707 return None;
3708 }
3709 }
3710 Some((
3711 excerpt_id,
3712 (
3713 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3714 buffer.version().clone(),
3715 excerpt_visible_range,
3716 ),
3717 ))
3718 })
3719 .collect()
3720 }
3721
3722 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3723 TextLayoutDetails {
3724 text_system: window.text_system().clone(),
3725 editor_style: self.style.clone().unwrap(),
3726 rem_size: window.rem_size(),
3727 scroll_anchor: self.scroll_manager.anchor(),
3728 visible_rows: self.visible_line_count(),
3729 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3730 }
3731 }
3732
3733 pub fn splice_inlays(
3734 &self,
3735 to_remove: Vec<InlayId>,
3736 to_insert: Vec<Inlay>,
3737 cx: &mut Context<Self>,
3738 ) {
3739 self.display_map.update(cx, |display_map, cx| {
3740 display_map.splice_inlays(to_remove, to_insert, cx)
3741 });
3742 cx.notify();
3743 }
3744
3745 fn trigger_on_type_formatting(
3746 &self,
3747 input: String,
3748 window: &mut Window,
3749 cx: &mut Context<Self>,
3750 ) -> Option<Task<Result<()>>> {
3751 if input.len() != 1 {
3752 return None;
3753 }
3754
3755 let project = self.project.as_ref()?;
3756 let position = self.selections.newest_anchor().head();
3757 let (buffer, buffer_position) = self
3758 .buffer
3759 .read(cx)
3760 .text_anchor_for_position(position, cx)?;
3761
3762 let settings = language_settings::language_settings(
3763 buffer
3764 .read(cx)
3765 .language_at(buffer_position)
3766 .map(|l| l.name()),
3767 buffer.read(cx).file(),
3768 cx,
3769 );
3770 if !settings.use_on_type_format {
3771 return None;
3772 }
3773
3774 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3775 // hence we do LSP request & edit on host side only — add formats to host's history.
3776 let push_to_lsp_host_history = true;
3777 // If this is not the host, append its history with new edits.
3778 let push_to_client_history = project.read(cx).is_via_collab();
3779
3780 let on_type_formatting = project.update(cx, |project, cx| {
3781 project.on_type_format(
3782 buffer.clone(),
3783 buffer_position,
3784 input,
3785 push_to_lsp_host_history,
3786 cx,
3787 )
3788 });
3789 Some(cx.spawn_in(window, |editor, mut cx| async move {
3790 if let Some(transaction) = on_type_formatting.await? {
3791 if push_to_client_history {
3792 buffer
3793 .update(&mut cx, |buffer, _| {
3794 buffer.push_transaction(transaction, Instant::now());
3795 })
3796 .ok();
3797 }
3798 editor.update(&mut cx, |editor, cx| {
3799 editor.refresh_document_highlights(cx);
3800 })?;
3801 }
3802 Ok(())
3803 }))
3804 }
3805
3806 pub fn show_completions(
3807 &mut self,
3808 options: &ShowCompletions,
3809 window: &mut Window,
3810 cx: &mut Context<Self>,
3811 ) {
3812 if self.pending_rename.is_some() {
3813 return;
3814 }
3815
3816 let Some(provider) = self.completion_provider.as_ref() else {
3817 return;
3818 };
3819
3820 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3821 return;
3822 }
3823
3824 let position = self.selections.newest_anchor().head();
3825 if position.diff_base_anchor.is_some() {
3826 return;
3827 }
3828 let (buffer, buffer_position) =
3829 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3830 output
3831 } else {
3832 return;
3833 };
3834 let show_completion_documentation = buffer
3835 .read(cx)
3836 .snapshot()
3837 .settings_at(buffer_position, cx)
3838 .show_completion_documentation;
3839
3840 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3841
3842 let trigger_kind = match &options.trigger {
3843 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3844 CompletionTriggerKind::TRIGGER_CHARACTER
3845 }
3846 _ => CompletionTriggerKind::INVOKED,
3847 };
3848 let completion_context = CompletionContext {
3849 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3850 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3851 Some(String::from(trigger))
3852 } else {
3853 None
3854 }
3855 }),
3856 trigger_kind,
3857 };
3858 let completions =
3859 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3860 let sort_completions = provider.sort_completions();
3861
3862 let id = post_inc(&mut self.next_completion_id);
3863 let task = cx.spawn_in(window, |editor, mut cx| {
3864 async move {
3865 editor.update(&mut cx, |this, _| {
3866 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3867 })?;
3868 let completions = completions.await.log_err();
3869 let menu = if let Some(completions) = completions {
3870 let mut menu = CompletionsMenu::new(
3871 id,
3872 sort_completions,
3873 show_completion_documentation,
3874 position,
3875 buffer.clone(),
3876 completions.into(),
3877 );
3878
3879 menu.filter(query.as_deref(), cx.background_executor().clone())
3880 .await;
3881
3882 menu.visible().then_some(menu)
3883 } else {
3884 None
3885 };
3886
3887 editor.update_in(&mut cx, |editor, window, cx| {
3888 match editor.context_menu.borrow().as_ref() {
3889 None => {}
3890 Some(CodeContextMenu::Completions(prev_menu)) => {
3891 if prev_menu.id > id {
3892 return;
3893 }
3894 }
3895 _ => return,
3896 }
3897
3898 if editor.focus_handle.is_focused(window) && menu.is_some() {
3899 let mut menu = menu.unwrap();
3900 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3901
3902 if editor.show_inline_completions_in_menu(cx) {
3903 if let Some(hint) = editor.inline_completion_menu_hint(window, cx) {
3904 menu.show_inline_completion_hint(hint);
3905 }
3906 } else {
3907 editor.discard_inline_completion(false, cx);
3908 }
3909
3910 *editor.context_menu.borrow_mut() =
3911 Some(CodeContextMenu::Completions(menu));
3912
3913 cx.notify();
3914 } else if editor.completion_tasks.len() <= 1 {
3915 // If there are no more completion tasks and the last menu was
3916 // empty, we should hide it.
3917 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3918 // If it was already hidden and we don't show inline
3919 // completions in the menu, we should also show the
3920 // inline-completion when available.
3921 if was_hidden && editor.show_inline_completions_in_menu(cx) {
3922 editor.update_visible_inline_completion(window, cx);
3923 }
3924 }
3925 })?;
3926
3927 Ok::<_, anyhow::Error>(())
3928 }
3929 .log_err()
3930 });
3931
3932 self.completion_tasks.push((id, task));
3933 }
3934
3935 pub fn confirm_completion(
3936 &mut self,
3937 action: &ConfirmCompletion,
3938 window: &mut Window,
3939 cx: &mut Context<Self>,
3940 ) -> Option<Task<Result<()>>> {
3941 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3942 }
3943
3944 pub fn compose_completion(
3945 &mut self,
3946 action: &ComposeCompletion,
3947 window: &mut Window,
3948 cx: &mut Context<Self>,
3949 ) -> Option<Task<Result<()>>> {
3950 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
3951 }
3952
3953 fn toggle_zed_predict_onboarding(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3954 let (Some(workspace), Some(project)) = (self.workspace(), self.project.as_ref()) else {
3955 return;
3956 };
3957
3958 let project = project.read(cx);
3959
3960 ZedPredictModal::toggle(
3961 workspace,
3962 project.user_store().clone(),
3963 project.client().clone(),
3964 project.fs().clone(),
3965 window,
3966 cx,
3967 );
3968 }
3969
3970 fn do_completion(
3971 &mut self,
3972 item_ix: Option<usize>,
3973 intent: CompletionIntent,
3974 window: &mut Window,
3975 cx: &mut Context<Editor>,
3976 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3977 use language::ToOffset as _;
3978
3979 {
3980 let context_menu = self.context_menu.borrow();
3981 if let CodeContextMenu::Completions(menu) = context_menu.as_ref()? {
3982 let entries = menu.entries.borrow();
3983 let entry = entries.get(item_ix.unwrap_or(menu.selected_item));
3984 match entry {
3985 Some(CompletionEntry::InlineCompletionHint(
3986 InlineCompletionMenuHint::Loading,
3987 )) => return Some(Task::ready(Ok(()))),
3988 Some(CompletionEntry::InlineCompletionHint(InlineCompletionMenuHint::None)) => {
3989 drop(entries);
3990 drop(context_menu);
3991 self.context_menu_next(&Default::default(), window, cx);
3992 return Some(Task::ready(Ok(())));
3993 }
3994 Some(CompletionEntry::InlineCompletionHint(
3995 InlineCompletionMenuHint::PendingTermsAcceptance,
3996 )) => {
3997 drop(entries);
3998 drop(context_menu);
3999 self.toggle_zed_predict_onboarding(window, cx);
4000 return Some(Task::ready(Ok(())));
4001 }
4002 _ => {}
4003 }
4004 }
4005 }
4006
4007 let completions_menu =
4008 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4009 menu
4010 } else {
4011 return None;
4012 };
4013
4014 let entries = completions_menu.entries.borrow();
4015 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4016 let mat = match mat {
4017 CompletionEntry::InlineCompletionHint(_) => {
4018 self.accept_inline_completion(&AcceptInlineCompletion, window, cx);
4019 cx.stop_propagation();
4020 return Some(Task::ready(Ok(())));
4021 }
4022 CompletionEntry::Match(mat) => {
4023 if self.show_inline_completions_in_menu(cx) {
4024 self.discard_inline_completion(true, cx);
4025 }
4026 mat
4027 }
4028 };
4029 let candidate_id = mat.candidate_id;
4030 drop(entries);
4031
4032 let buffer_handle = completions_menu.buffer;
4033 let completion = completions_menu
4034 .completions
4035 .borrow()
4036 .get(candidate_id)?
4037 .clone();
4038 cx.stop_propagation();
4039
4040 let snippet;
4041 let text;
4042
4043 if completion.is_snippet() {
4044 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4045 text = snippet.as_ref().unwrap().text.clone();
4046 } else {
4047 snippet = None;
4048 text = completion.new_text.clone();
4049 };
4050 let selections = self.selections.all::<usize>(cx);
4051 let buffer = buffer_handle.read(cx);
4052 let old_range = completion.old_range.to_offset(buffer);
4053 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4054
4055 let newest_selection = self.selections.newest_anchor();
4056 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4057 return None;
4058 }
4059
4060 let lookbehind = newest_selection
4061 .start
4062 .text_anchor
4063 .to_offset(buffer)
4064 .saturating_sub(old_range.start);
4065 let lookahead = old_range
4066 .end
4067 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4068 let mut common_prefix_len = old_text
4069 .bytes()
4070 .zip(text.bytes())
4071 .take_while(|(a, b)| a == b)
4072 .count();
4073
4074 let snapshot = self.buffer.read(cx).snapshot(cx);
4075 let mut range_to_replace: Option<Range<isize>> = None;
4076 let mut ranges = Vec::new();
4077 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4078 for selection in &selections {
4079 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4080 let start = selection.start.saturating_sub(lookbehind);
4081 let end = selection.end + lookahead;
4082 if selection.id == newest_selection.id {
4083 range_to_replace = Some(
4084 ((start + common_prefix_len) as isize - selection.start as isize)
4085 ..(end as isize - selection.start as isize),
4086 );
4087 }
4088 ranges.push(start + common_prefix_len..end);
4089 } else {
4090 common_prefix_len = 0;
4091 ranges.clear();
4092 ranges.extend(selections.iter().map(|s| {
4093 if s.id == newest_selection.id {
4094 range_to_replace = Some(
4095 old_range.start.to_offset_utf16(&snapshot).0 as isize
4096 - selection.start as isize
4097 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4098 - selection.start as isize,
4099 );
4100 old_range.clone()
4101 } else {
4102 s.start..s.end
4103 }
4104 }));
4105 break;
4106 }
4107 if !self.linked_edit_ranges.is_empty() {
4108 let start_anchor = snapshot.anchor_before(selection.head());
4109 let end_anchor = snapshot.anchor_after(selection.tail());
4110 if let Some(ranges) = self
4111 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4112 {
4113 for (buffer, edits) in ranges {
4114 linked_edits.entry(buffer.clone()).or_default().extend(
4115 edits
4116 .into_iter()
4117 .map(|range| (range, text[common_prefix_len..].to_owned())),
4118 );
4119 }
4120 }
4121 }
4122 }
4123 let text = &text[common_prefix_len..];
4124
4125 cx.emit(EditorEvent::InputHandled {
4126 utf16_range_to_replace: range_to_replace,
4127 text: text.into(),
4128 });
4129
4130 self.transact(window, cx, |this, window, cx| {
4131 if let Some(mut snippet) = snippet {
4132 snippet.text = text.to_string();
4133 for tabstop in snippet
4134 .tabstops
4135 .iter_mut()
4136 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4137 {
4138 tabstop.start -= common_prefix_len as isize;
4139 tabstop.end -= common_prefix_len as isize;
4140 }
4141
4142 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4143 } else {
4144 this.buffer.update(cx, |buffer, cx| {
4145 buffer.edit(
4146 ranges.iter().map(|range| (range.clone(), text)),
4147 this.autoindent_mode.clone(),
4148 cx,
4149 );
4150 });
4151 }
4152 for (buffer, edits) in linked_edits {
4153 buffer.update(cx, |buffer, cx| {
4154 let snapshot = buffer.snapshot();
4155 let edits = edits
4156 .into_iter()
4157 .map(|(range, text)| {
4158 use text::ToPoint as TP;
4159 let end_point = TP::to_point(&range.end, &snapshot);
4160 let start_point = TP::to_point(&range.start, &snapshot);
4161 (start_point..end_point, text)
4162 })
4163 .sorted_by_key(|(range, _)| range.start)
4164 .collect::<Vec<_>>();
4165 buffer.edit(edits, None, cx);
4166 })
4167 }
4168
4169 this.refresh_inline_completion(true, false, window, cx);
4170 });
4171
4172 let show_new_completions_on_confirm = completion
4173 .confirm
4174 .as_ref()
4175 .map_or(false, |confirm| confirm(intent, window, cx));
4176 if show_new_completions_on_confirm {
4177 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4178 }
4179
4180 let provider = self.completion_provider.as_ref()?;
4181 drop(completion);
4182 let apply_edits = provider.apply_additional_edits_for_completion(
4183 buffer_handle,
4184 completions_menu.completions.clone(),
4185 candidate_id,
4186 true,
4187 cx,
4188 );
4189
4190 let editor_settings = EditorSettings::get_global(cx);
4191 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4192 // After the code completion is finished, users often want to know what signatures are needed.
4193 // so we should automatically call signature_help
4194 self.show_signature_help(&ShowSignatureHelp, window, cx);
4195 }
4196
4197 Some(cx.foreground_executor().spawn(async move {
4198 apply_edits.await?;
4199 Ok(())
4200 }))
4201 }
4202
4203 pub fn toggle_code_actions(
4204 &mut self,
4205 action: &ToggleCodeActions,
4206 window: &mut Window,
4207 cx: &mut Context<Self>,
4208 ) {
4209 let mut context_menu = self.context_menu.borrow_mut();
4210 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4211 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4212 // Toggle if we're selecting the same one
4213 *context_menu = None;
4214 cx.notify();
4215 return;
4216 } else {
4217 // Otherwise, clear it and start a new one
4218 *context_menu = None;
4219 cx.notify();
4220 }
4221 }
4222 drop(context_menu);
4223 let snapshot = self.snapshot(window, cx);
4224 let deployed_from_indicator = action.deployed_from_indicator;
4225 let mut task = self.code_actions_task.take();
4226 let action = action.clone();
4227 cx.spawn_in(window, |editor, mut cx| async move {
4228 while let Some(prev_task) = task {
4229 prev_task.await.log_err();
4230 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4231 }
4232
4233 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4234 if editor.focus_handle.is_focused(window) {
4235 let multibuffer_point = action
4236 .deployed_from_indicator
4237 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4238 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4239 let (buffer, buffer_row) = snapshot
4240 .buffer_snapshot
4241 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4242 .and_then(|(buffer_snapshot, range)| {
4243 editor
4244 .buffer
4245 .read(cx)
4246 .buffer(buffer_snapshot.remote_id())
4247 .map(|buffer| (buffer, range.start.row))
4248 })?;
4249 let (_, code_actions) = editor
4250 .available_code_actions
4251 .clone()
4252 .and_then(|(location, code_actions)| {
4253 let snapshot = location.buffer.read(cx).snapshot();
4254 let point_range = location.range.to_point(&snapshot);
4255 let point_range = point_range.start.row..=point_range.end.row;
4256 if point_range.contains(&buffer_row) {
4257 Some((location, code_actions))
4258 } else {
4259 None
4260 }
4261 })
4262 .unzip();
4263 let buffer_id = buffer.read(cx).remote_id();
4264 let tasks = editor
4265 .tasks
4266 .get(&(buffer_id, buffer_row))
4267 .map(|t| Arc::new(t.to_owned()));
4268 if tasks.is_none() && code_actions.is_none() {
4269 return None;
4270 }
4271
4272 editor.completion_tasks.clear();
4273 editor.discard_inline_completion(false, cx);
4274 let task_context =
4275 tasks
4276 .as_ref()
4277 .zip(editor.project.clone())
4278 .map(|(tasks, project)| {
4279 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4280 });
4281
4282 Some(cx.spawn_in(window, |editor, mut cx| async move {
4283 let task_context = match task_context {
4284 Some(task_context) => task_context.await,
4285 None => None,
4286 };
4287 let resolved_tasks =
4288 tasks.zip(task_context).map(|(tasks, task_context)| {
4289 Rc::new(ResolvedTasks {
4290 templates: tasks.resolve(&task_context).collect(),
4291 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4292 multibuffer_point.row,
4293 tasks.column,
4294 )),
4295 })
4296 });
4297 let spawn_straight_away = resolved_tasks
4298 .as_ref()
4299 .map_or(false, |tasks| tasks.templates.len() == 1)
4300 && code_actions
4301 .as_ref()
4302 .map_or(true, |actions| actions.is_empty());
4303 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4304 *editor.context_menu.borrow_mut() =
4305 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4306 buffer,
4307 actions: CodeActionContents {
4308 tasks: resolved_tasks,
4309 actions: code_actions,
4310 },
4311 selected_item: Default::default(),
4312 scroll_handle: UniformListScrollHandle::default(),
4313 deployed_from_indicator,
4314 }));
4315 if spawn_straight_away {
4316 if let Some(task) = editor.confirm_code_action(
4317 &ConfirmCodeAction { item_ix: Some(0) },
4318 window,
4319 cx,
4320 ) {
4321 cx.notify();
4322 return task;
4323 }
4324 }
4325 cx.notify();
4326 Task::ready(Ok(()))
4327 }) {
4328 task.await
4329 } else {
4330 Ok(())
4331 }
4332 }))
4333 } else {
4334 Some(Task::ready(Ok(())))
4335 }
4336 })?;
4337 if let Some(task) = spawned_test_task {
4338 task.await?;
4339 }
4340
4341 Ok::<_, anyhow::Error>(())
4342 })
4343 .detach_and_log_err(cx);
4344 }
4345
4346 pub fn confirm_code_action(
4347 &mut self,
4348 action: &ConfirmCodeAction,
4349 window: &mut Window,
4350 cx: &mut Context<Self>,
4351 ) -> Option<Task<Result<()>>> {
4352 let actions_menu =
4353 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4354 menu
4355 } else {
4356 return None;
4357 };
4358 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4359 let action = actions_menu.actions.get(action_ix)?;
4360 let title = action.label();
4361 let buffer = actions_menu.buffer;
4362 let workspace = self.workspace()?;
4363
4364 match action {
4365 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4366 workspace.update(cx, |workspace, cx| {
4367 workspace::tasks::schedule_resolved_task(
4368 workspace,
4369 task_source_kind,
4370 resolved_task,
4371 false,
4372 cx,
4373 );
4374
4375 Some(Task::ready(Ok(())))
4376 })
4377 }
4378 CodeActionsItem::CodeAction {
4379 excerpt_id,
4380 action,
4381 provider,
4382 } => {
4383 let apply_code_action =
4384 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4385 let workspace = workspace.downgrade();
4386 Some(cx.spawn_in(window, |editor, cx| async move {
4387 let project_transaction = apply_code_action.await?;
4388 Self::open_project_transaction(
4389 &editor,
4390 workspace,
4391 project_transaction,
4392 title,
4393 cx,
4394 )
4395 .await
4396 }))
4397 }
4398 }
4399 }
4400
4401 pub async fn open_project_transaction(
4402 this: &WeakEntity<Editor>,
4403 workspace: WeakEntity<Workspace>,
4404 transaction: ProjectTransaction,
4405 title: String,
4406 mut cx: AsyncWindowContext,
4407 ) -> Result<()> {
4408 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4409 cx.update(|_, cx| {
4410 entries.sort_unstable_by_key(|(buffer, _)| {
4411 buffer.read(cx).file().map(|f| f.path().clone())
4412 });
4413 })?;
4414
4415 // If the project transaction's edits are all contained within this editor, then
4416 // avoid opening a new editor to display them.
4417
4418 if let Some((buffer, transaction)) = entries.first() {
4419 if entries.len() == 1 {
4420 let excerpt = this.update(&mut cx, |editor, cx| {
4421 editor
4422 .buffer()
4423 .read(cx)
4424 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4425 })?;
4426 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4427 if excerpted_buffer == *buffer {
4428 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4429 let excerpt_range = excerpt_range.to_offset(buffer);
4430 buffer
4431 .edited_ranges_for_transaction::<usize>(transaction)
4432 .all(|range| {
4433 excerpt_range.start <= range.start
4434 && excerpt_range.end >= range.end
4435 })
4436 })?;
4437
4438 if all_edits_within_excerpt {
4439 return Ok(());
4440 }
4441 }
4442 }
4443 }
4444 } else {
4445 return Ok(());
4446 }
4447
4448 let mut ranges_to_highlight = Vec::new();
4449 let excerpt_buffer = cx.new(|cx| {
4450 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4451 for (buffer_handle, transaction) in &entries {
4452 let buffer = buffer_handle.read(cx);
4453 ranges_to_highlight.extend(
4454 multibuffer.push_excerpts_with_context_lines(
4455 buffer_handle.clone(),
4456 buffer
4457 .edited_ranges_for_transaction::<usize>(transaction)
4458 .collect(),
4459 DEFAULT_MULTIBUFFER_CONTEXT,
4460 cx,
4461 ),
4462 );
4463 }
4464 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4465 multibuffer
4466 })?;
4467
4468 workspace.update_in(&mut cx, |workspace, window, cx| {
4469 let project = workspace.project().clone();
4470 let editor = cx
4471 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4472 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4473 editor.update(cx, |editor, cx| {
4474 editor.highlight_background::<Self>(
4475 &ranges_to_highlight,
4476 |theme| theme.editor_highlighted_line_background,
4477 cx,
4478 );
4479 });
4480 })?;
4481
4482 Ok(())
4483 }
4484
4485 pub fn clear_code_action_providers(&mut self) {
4486 self.code_action_providers.clear();
4487 self.available_code_actions.take();
4488 }
4489
4490 pub fn add_code_action_provider(
4491 &mut self,
4492 provider: Rc<dyn CodeActionProvider>,
4493 window: &mut Window,
4494 cx: &mut Context<Self>,
4495 ) {
4496 if self
4497 .code_action_providers
4498 .iter()
4499 .any(|existing_provider| existing_provider.id() == provider.id())
4500 {
4501 return;
4502 }
4503
4504 self.code_action_providers.push(provider);
4505 self.refresh_code_actions(window, cx);
4506 }
4507
4508 pub fn remove_code_action_provider(
4509 &mut self,
4510 id: Arc<str>,
4511 window: &mut Window,
4512 cx: &mut Context<Self>,
4513 ) {
4514 self.code_action_providers
4515 .retain(|provider| provider.id() != id);
4516 self.refresh_code_actions(window, cx);
4517 }
4518
4519 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4520 let buffer = self.buffer.read(cx);
4521 let newest_selection = self.selections.newest_anchor().clone();
4522 if newest_selection.head().diff_base_anchor.is_some() {
4523 return None;
4524 }
4525 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4526 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4527 if start_buffer != end_buffer {
4528 return None;
4529 }
4530
4531 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4532 cx.background_executor()
4533 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4534 .await;
4535
4536 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4537 let providers = this.code_action_providers.clone();
4538 let tasks = this
4539 .code_action_providers
4540 .iter()
4541 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4542 .collect::<Vec<_>>();
4543 (providers, tasks)
4544 })?;
4545
4546 let mut actions = Vec::new();
4547 for (provider, provider_actions) in
4548 providers.into_iter().zip(future::join_all(tasks).await)
4549 {
4550 if let Some(provider_actions) = provider_actions.log_err() {
4551 actions.extend(provider_actions.into_iter().map(|action| {
4552 AvailableCodeAction {
4553 excerpt_id: newest_selection.start.excerpt_id,
4554 action,
4555 provider: provider.clone(),
4556 }
4557 }));
4558 }
4559 }
4560
4561 this.update(&mut cx, |this, cx| {
4562 this.available_code_actions = if actions.is_empty() {
4563 None
4564 } else {
4565 Some((
4566 Location {
4567 buffer: start_buffer,
4568 range: start..end,
4569 },
4570 actions.into(),
4571 ))
4572 };
4573 cx.notify();
4574 })
4575 }));
4576 None
4577 }
4578
4579 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4580 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4581 self.show_git_blame_inline = false;
4582
4583 self.show_git_blame_inline_delay_task =
4584 Some(cx.spawn_in(window, |this, mut cx| async move {
4585 cx.background_executor().timer(delay).await;
4586
4587 this.update(&mut cx, |this, cx| {
4588 this.show_git_blame_inline = true;
4589 cx.notify();
4590 })
4591 .log_err();
4592 }));
4593 }
4594 }
4595
4596 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4597 if self.pending_rename.is_some() {
4598 return None;
4599 }
4600
4601 let provider = self.semantics_provider.clone()?;
4602 let buffer = self.buffer.read(cx);
4603 let newest_selection = self.selections.newest_anchor().clone();
4604 let cursor_position = newest_selection.head();
4605 let (cursor_buffer, cursor_buffer_position) =
4606 buffer.text_anchor_for_position(cursor_position, cx)?;
4607 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4608 if cursor_buffer != tail_buffer {
4609 return None;
4610 }
4611 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4612 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4613 cx.background_executor()
4614 .timer(Duration::from_millis(debounce))
4615 .await;
4616
4617 let highlights = if let Some(highlights) = cx
4618 .update(|cx| {
4619 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4620 })
4621 .ok()
4622 .flatten()
4623 {
4624 highlights.await.log_err()
4625 } else {
4626 None
4627 };
4628
4629 if let Some(highlights) = highlights {
4630 this.update(&mut cx, |this, cx| {
4631 if this.pending_rename.is_some() {
4632 return;
4633 }
4634
4635 let buffer_id = cursor_position.buffer_id;
4636 let buffer = this.buffer.read(cx);
4637 if !buffer
4638 .text_anchor_for_position(cursor_position, cx)
4639 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4640 {
4641 return;
4642 }
4643
4644 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4645 let mut write_ranges = Vec::new();
4646 let mut read_ranges = Vec::new();
4647 for highlight in highlights {
4648 for (excerpt_id, excerpt_range) in
4649 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4650 {
4651 let start = highlight
4652 .range
4653 .start
4654 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4655 let end = highlight
4656 .range
4657 .end
4658 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4659 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4660 continue;
4661 }
4662
4663 let range = Anchor {
4664 buffer_id,
4665 excerpt_id,
4666 text_anchor: start,
4667 diff_base_anchor: None,
4668 }..Anchor {
4669 buffer_id,
4670 excerpt_id,
4671 text_anchor: end,
4672 diff_base_anchor: None,
4673 };
4674 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4675 write_ranges.push(range);
4676 } else {
4677 read_ranges.push(range);
4678 }
4679 }
4680 }
4681
4682 this.highlight_background::<DocumentHighlightRead>(
4683 &read_ranges,
4684 |theme| theme.editor_document_highlight_read_background,
4685 cx,
4686 );
4687 this.highlight_background::<DocumentHighlightWrite>(
4688 &write_ranges,
4689 |theme| theme.editor_document_highlight_write_background,
4690 cx,
4691 );
4692 cx.notify();
4693 })
4694 .log_err();
4695 }
4696 }));
4697 None
4698 }
4699
4700 pub fn refresh_inline_completion(
4701 &mut self,
4702 debounce: bool,
4703 user_requested: bool,
4704 window: &mut Window,
4705 cx: &mut Context<Self>,
4706 ) -> Option<()> {
4707 let provider = self.inline_completion_provider()?;
4708 let cursor = self.selections.newest_anchor().head();
4709 let (buffer, cursor_buffer_position) =
4710 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4711
4712 if !user_requested
4713 && (!self.enable_inline_completions
4714 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4715 || !self.is_focused(window)
4716 || buffer.read(cx).is_empty())
4717 {
4718 self.discard_inline_completion(false, cx);
4719 return None;
4720 }
4721
4722 self.update_visible_inline_completion(window, cx);
4723 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4724 Some(())
4725 }
4726
4727 fn cycle_inline_completion(
4728 &mut self,
4729 direction: Direction,
4730 window: &mut Window,
4731 cx: &mut Context<Self>,
4732 ) -> Option<()> {
4733 let provider = self.inline_completion_provider()?;
4734 let cursor = self.selections.newest_anchor().head();
4735 let (buffer, cursor_buffer_position) =
4736 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4737 if !self.enable_inline_completions
4738 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4739 {
4740 return None;
4741 }
4742
4743 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4744 self.update_visible_inline_completion(window, cx);
4745
4746 Some(())
4747 }
4748
4749 pub fn show_inline_completion(
4750 &mut self,
4751 _: &ShowInlineCompletion,
4752 window: &mut Window,
4753 cx: &mut Context<Self>,
4754 ) {
4755 if !self.has_active_inline_completion() {
4756 self.refresh_inline_completion(false, true, window, cx);
4757 return;
4758 }
4759
4760 self.update_visible_inline_completion(window, cx);
4761 }
4762
4763 pub fn display_cursor_names(
4764 &mut self,
4765 _: &DisplayCursorNames,
4766 window: &mut Window,
4767 cx: &mut Context<Self>,
4768 ) {
4769 self.show_cursor_names(window, cx);
4770 }
4771
4772 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4773 self.show_cursor_names = true;
4774 cx.notify();
4775 cx.spawn_in(window, |this, mut cx| async move {
4776 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4777 this.update(&mut cx, |this, cx| {
4778 this.show_cursor_names = false;
4779 cx.notify()
4780 })
4781 .ok()
4782 })
4783 .detach();
4784 }
4785
4786 pub fn next_inline_completion(
4787 &mut self,
4788 _: &NextInlineCompletion,
4789 window: &mut Window,
4790 cx: &mut Context<Self>,
4791 ) {
4792 if self.has_active_inline_completion() {
4793 self.cycle_inline_completion(Direction::Next, window, cx);
4794 } else {
4795 let is_copilot_disabled = self
4796 .refresh_inline_completion(false, true, window, cx)
4797 .is_none();
4798 if is_copilot_disabled {
4799 cx.propagate();
4800 }
4801 }
4802 }
4803
4804 pub fn previous_inline_completion(
4805 &mut self,
4806 _: &PreviousInlineCompletion,
4807 window: &mut Window,
4808 cx: &mut Context<Self>,
4809 ) {
4810 if self.has_active_inline_completion() {
4811 self.cycle_inline_completion(Direction::Prev, window, cx);
4812 } else {
4813 let is_copilot_disabled = self
4814 .refresh_inline_completion(false, true, window, cx)
4815 .is_none();
4816 if is_copilot_disabled {
4817 cx.propagate();
4818 }
4819 }
4820 }
4821
4822 pub fn accept_inline_completion(
4823 &mut self,
4824 _: &AcceptInlineCompletion,
4825 window: &mut Window,
4826 cx: &mut Context<Self>,
4827 ) {
4828 let buffer = self.buffer.read(cx);
4829 let snapshot = buffer.snapshot(cx);
4830 let selection = self.selections.newest_adjusted(cx);
4831 let cursor = selection.head();
4832 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
4833 let suggested_indents = snapshot.suggested_indents([cursor.row], cx);
4834 if let Some(suggested_indent) = suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
4835 {
4836 if cursor.column < suggested_indent.len
4837 && cursor.column <= current_indent.len
4838 && current_indent.len <= suggested_indent.len
4839 {
4840 self.tab(&Default::default(), window, cx);
4841 return;
4842 }
4843 }
4844
4845 if self.show_inline_completions_in_menu(cx) {
4846 self.hide_context_menu(window, cx);
4847 }
4848
4849 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4850 return;
4851 };
4852
4853 self.report_inline_completion_event(true, cx);
4854
4855 match &active_inline_completion.completion {
4856 InlineCompletion::Move(position) => {
4857 let position = *position;
4858 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4859 selections.select_anchor_ranges([position..position]);
4860 });
4861 }
4862 InlineCompletion::Edit { edits, .. } => {
4863 if let Some(provider) = self.inline_completion_provider() {
4864 provider.accept(cx);
4865 }
4866
4867 let snapshot = self.buffer.read(cx).snapshot(cx);
4868 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4869
4870 self.buffer.update(cx, |buffer, cx| {
4871 buffer.edit(edits.iter().cloned(), None, cx)
4872 });
4873
4874 self.change_selections(None, window, cx, |s| {
4875 s.select_anchor_ranges([last_edit_end..last_edit_end])
4876 });
4877
4878 self.update_visible_inline_completion(window, cx);
4879 if self.active_inline_completion.is_none() {
4880 self.refresh_inline_completion(true, true, window, cx);
4881 }
4882
4883 cx.notify();
4884 }
4885 }
4886 }
4887
4888 pub fn accept_partial_inline_completion(
4889 &mut self,
4890 _: &AcceptPartialInlineCompletion,
4891 window: &mut Window,
4892 cx: &mut Context<Self>,
4893 ) {
4894 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4895 return;
4896 };
4897 if self.selections.count() != 1 {
4898 return;
4899 }
4900
4901 self.report_inline_completion_event(true, cx);
4902
4903 match &active_inline_completion.completion {
4904 InlineCompletion::Move(position) => {
4905 let position = *position;
4906 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4907 selections.select_anchor_ranges([position..position]);
4908 });
4909 }
4910 InlineCompletion::Edit { edits, .. } => {
4911 // Find an insertion that starts at the cursor position.
4912 let snapshot = self.buffer.read(cx).snapshot(cx);
4913 let cursor_offset = self.selections.newest::<usize>(cx).head();
4914 let insertion = edits.iter().find_map(|(range, text)| {
4915 let range = range.to_offset(&snapshot);
4916 if range.is_empty() && range.start == cursor_offset {
4917 Some(text)
4918 } else {
4919 None
4920 }
4921 });
4922
4923 if let Some(text) = insertion {
4924 let mut partial_completion = text
4925 .chars()
4926 .by_ref()
4927 .take_while(|c| c.is_alphabetic())
4928 .collect::<String>();
4929 if partial_completion.is_empty() {
4930 partial_completion = text
4931 .chars()
4932 .by_ref()
4933 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4934 .collect::<String>();
4935 }
4936
4937 cx.emit(EditorEvent::InputHandled {
4938 utf16_range_to_replace: None,
4939 text: partial_completion.clone().into(),
4940 });
4941
4942 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
4943
4944 self.refresh_inline_completion(true, true, window, cx);
4945 cx.notify();
4946 } else {
4947 self.accept_inline_completion(&Default::default(), window, cx);
4948 }
4949 }
4950 }
4951 }
4952
4953 fn discard_inline_completion(
4954 &mut self,
4955 should_report_inline_completion_event: bool,
4956 cx: &mut Context<Self>,
4957 ) -> bool {
4958 if should_report_inline_completion_event {
4959 self.report_inline_completion_event(false, cx);
4960 }
4961
4962 if let Some(provider) = self.inline_completion_provider() {
4963 provider.discard(cx);
4964 }
4965
4966 self.take_active_inline_completion(cx).is_some()
4967 }
4968
4969 fn report_inline_completion_event(&self, accepted: bool, cx: &App) {
4970 let Some(provider) = self.inline_completion_provider() else {
4971 return;
4972 };
4973
4974 let Some((_, buffer, _)) = self
4975 .buffer
4976 .read(cx)
4977 .excerpt_containing(self.selections.newest_anchor().head(), cx)
4978 else {
4979 return;
4980 };
4981
4982 let extension = buffer
4983 .read(cx)
4984 .file()
4985 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
4986
4987 let event_type = match accepted {
4988 true => "Inline Completion Accepted",
4989 false => "Inline Completion Discarded",
4990 };
4991 telemetry::event!(
4992 event_type,
4993 provider = provider.name(),
4994 suggestion_accepted = accepted,
4995 file_extension = extension,
4996 );
4997 }
4998
4999 pub fn has_active_inline_completion(&self) -> bool {
5000 self.active_inline_completion.is_some()
5001 }
5002
5003 fn take_active_inline_completion(
5004 &mut self,
5005 cx: &mut Context<Self>,
5006 ) -> Option<InlineCompletion> {
5007 let active_inline_completion = self.active_inline_completion.take()?;
5008 self.splice_inlays(active_inline_completion.inlay_ids, Default::default(), cx);
5009 self.clear_highlights::<InlineCompletionHighlight>(cx);
5010 Some(active_inline_completion.completion)
5011 }
5012
5013 fn update_visible_inline_completion(
5014 &mut self,
5015 window: &mut Window,
5016 cx: &mut Context<Self>,
5017 ) -> Option<()> {
5018 let selection = self.selections.newest_anchor();
5019 let cursor = selection.head();
5020 let multibuffer = self.buffer.read(cx).snapshot(cx);
5021 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5022 let excerpt_id = cursor.excerpt_id;
5023
5024 let completions_menu_has_precedence = !self.show_inline_completions_in_menu(cx)
5025 && (self.context_menu.borrow().is_some()
5026 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5027 if completions_menu_has_precedence
5028 || !offset_selection.is_empty()
5029 || !self.enable_inline_completions
5030 || self
5031 .active_inline_completion
5032 .as_ref()
5033 .map_or(false, |completion| {
5034 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5035 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5036 !invalidation_range.contains(&offset_selection.head())
5037 })
5038 {
5039 self.discard_inline_completion(false, cx);
5040 return None;
5041 }
5042
5043 self.take_active_inline_completion(cx);
5044 let provider = self.inline_completion_provider()?;
5045
5046 let (buffer, cursor_buffer_position) =
5047 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5048
5049 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5050 let edits = inline_completion
5051 .edits
5052 .into_iter()
5053 .flat_map(|(range, new_text)| {
5054 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5055 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5056 Some((start..end, new_text))
5057 })
5058 .collect::<Vec<_>>();
5059 if edits.is_empty() {
5060 return None;
5061 }
5062
5063 let first_edit_start = edits.first().unwrap().0.start;
5064 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5065 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5066
5067 let last_edit_end = edits.last().unwrap().0.end;
5068 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5069 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5070
5071 let cursor_row = cursor.to_point(&multibuffer).row;
5072
5073 let mut inlay_ids = Vec::new();
5074 let invalidation_row_range;
5075 let completion = if cursor_row < edit_start_row {
5076 invalidation_row_range = cursor_row..edit_end_row;
5077 InlineCompletion::Move(first_edit_start)
5078 } else if cursor_row > edit_end_row {
5079 invalidation_row_range = edit_start_row..cursor_row;
5080 InlineCompletion::Move(first_edit_start)
5081 } else {
5082 if edits
5083 .iter()
5084 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5085 {
5086 let mut inlays = Vec::new();
5087 for (range, new_text) in &edits {
5088 let inlay = Inlay::inline_completion(
5089 post_inc(&mut self.next_inlay_id),
5090 range.start,
5091 new_text.as_str(),
5092 );
5093 inlay_ids.push(inlay.id);
5094 inlays.push(inlay);
5095 }
5096
5097 self.splice_inlays(vec![], inlays, cx);
5098 } else {
5099 let background_color = cx.theme().status().deleted_background;
5100 self.highlight_text::<InlineCompletionHighlight>(
5101 edits.iter().map(|(range, _)| range.clone()).collect(),
5102 HighlightStyle {
5103 background_color: Some(background_color),
5104 ..Default::default()
5105 },
5106 cx,
5107 );
5108 }
5109
5110 invalidation_row_range = edit_start_row..edit_end_row;
5111
5112 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5113 if provider.show_tab_accept_marker()
5114 && first_edit_start_point.row == last_edit_end_point.row
5115 && !edits.iter().any(|(_, edit)| edit.contains('\n'))
5116 {
5117 EditDisplayMode::TabAccept
5118 } else {
5119 EditDisplayMode::Inline
5120 }
5121 } else {
5122 EditDisplayMode::DiffPopover
5123 };
5124
5125 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5126
5127 InlineCompletion::Edit {
5128 edits,
5129 edit_preview: inline_completion.edit_preview,
5130 display_mode,
5131 snapshot,
5132 }
5133 };
5134
5135 let invalidation_range = multibuffer
5136 .anchor_before(Point::new(invalidation_row_range.start, 0))
5137 ..multibuffer.anchor_after(Point::new(
5138 invalidation_row_range.end,
5139 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5140 ));
5141
5142 self.active_inline_completion = Some(InlineCompletionState {
5143 inlay_ids,
5144 completion,
5145 invalidation_range,
5146 });
5147
5148 if self.show_inline_completions_in_menu(cx) && self.has_active_completions_menu() {
5149 if let Some(hint) = self.inline_completion_menu_hint(window, cx) {
5150 match self.context_menu.borrow_mut().as_mut() {
5151 Some(CodeContextMenu::Completions(menu)) => {
5152 menu.show_inline_completion_hint(hint);
5153 }
5154 _ => {}
5155 }
5156 }
5157 }
5158
5159 cx.notify();
5160
5161 Some(())
5162 }
5163
5164 fn inline_completion_menu_hint(
5165 &self,
5166 window: &mut Window,
5167 cx: &mut Context<Self>,
5168 ) -> Option<InlineCompletionMenuHint> {
5169 let provider = self.inline_completion_provider()?;
5170 if self.has_active_inline_completion() {
5171 let editor_snapshot = self.snapshot(window, cx);
5172
5173 let text = match &self.active_inline_completion.as_ref()?.completion {
5174 InlineCompletion::Edit {
5175 edits,
5176 edit_preview,
5177 display_mode: _,
5178 snapshot,
5179 } => edit_preview
5180 .as_ref()
5181 .and_then(|edit_preview| {
5182 inline_completion_edit_text(&snapshot, &edits, edit_preview, true, cx)
5183 })
5184 .map(InlineCompletionText::Edit),
5185 InlineCompletion::Move(target) => {
5186 let target_point =
5187 target.to_point(&editor_snapshot.display_snapshot.buffer_snapshot);
5188 let target_line = target_point.row + 1;
5189 Some(InlineCompletionText::Move(
5190 format!("Jump to edit in line {}", target_line).into(),
5191 ))
5192 }
5193 };
5194
5195 Some(InlineCompletionMenuHint::Loaded { text: text? })
5196 } else if provider.is_refreshing(cx) {
5197 Some(InlineCompletionMenuHint::Loading)
5198 } else if provider.needs_terms_acceptance(cx) {
5199 Some(InlineCompletionMenuHint::PendingTermsAcceptance)
5200 } else {
5201 Some(InlineCompletionMenuHint::None)
5202 }
5203 }
5204
5205 pub fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5206 Some(self.inline_completion_provider.as_ref()?.provider.clone())
5207 }
5208
5209 fn show_inline_completions_in_menu(&self, cx: &App) -> bool {
5210 let by_provider = matches!(
5211 self.menu_inline_completions_policy,
5212 MenuInlineCompletionsPolicy::ByProvider
5213 );
5214
5215 by_provider
5216 && EditorSettings::get_global(cx).show_inline_completions_in_menu
5217 && self
5218 .inline_completion_provider()
5219 .map_or(false, |provider| provider.show_completions_in_menu())
5220 }
5221
5222 fn render_code_actions_indicator(
5223 &self,
5224 _style: &EditorStyle,
5225 row: DisplayRow,
5226 is_active: bool,
5227 cx: &mut Context<Self>,
5228 ) -> Option<IconButton> {
5229 if self.available_code_actions.is_some() {
5230 Some(
5231 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5232 .shape(ui::IconButtonShape::Square)
5233 .icon_size(IconSize::XSmall)
5234 .icon_color(Color::Muted)
5235 .toggle_state(is_active)
5236 .tooltip({
5237 let focus_handle = self.focus_handle.clone();
5238 move |window, cx| {
5239 Tooltip::for_action_in(
5240 "Toggle Code Actions",
5241 &ToggleCodeActions {
5242 deployed_from_indicator: None,
5243 },
5244 &focus_handle,
5245 window,
5246 cx,
5247 )
5248 }
5249 })
5250 .on_click(cx.listener(move |editor, _e, window, cx| {
5251 window.focus(&editor.focus_handle(cx));
5252 editor.toggle_code_actions(
5253 &ToggleCodeActions {
5254 deployed_from_indicator: Some(row),
5255 },
5256 window,
5257 cx,
5258 );
5259 })),
5260 )
5261 } else {
5262 None
5263 }
5264 }
5265
5266 fn clear_tasks(&mut self) {
5267 self.tasks.clear()
5268 }
5269
5270 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5271 if self.tasks.insert(key, value).is_some() {
5272 // This case should hopefully be rare, but just in case...
5273 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5274 }
5275 }
5276
5277 fn build_tasks_context(
5278 project: &Entity<Project>,
5279 buffer: &Entity<Buffer>,
5280 buffer_row: u32,
5281 tasks: &Arc<RunnableTasks>,
5282 cx: &mut Context<Self>,
5283 ) -> Task<Option<task::TaskContext>> {
5284 let position = Point::new(buffer_row, tasks.column);
5285 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5286 let location = Location {
5287 buffer: buffer.clone(),
5288 range: range_start..range_start,
5289 };
5290 // Fill in the environmental variables from the tree-sitter captures
5291 let mut captured_task_variables = TaskVariables::default();
5292 for (capture_name, value) in tasks.extra_variables.clone() {
5293 captured_task_variables.insert(
5294 task::VariableName::Custom(capture_name.into()),
5295 value.clone(),
5296 );
5297 }
5298 project.update(cx, |project, cx| {
5299 project.task_store().update(cx, |task_store, cx| {
5300 task_store.task_context_for_location(captured_task_variables, location, cx)
5301 })
5302 })
5303 }
5304
5305 pub fn spawn_nearest_task(
5306 &mut self,
5307 action: &SpawnNearestTask,
5308 window: &mut Window,
5309 cx: &mut Context<Self>,
5310 ) {
5311 let Some((workspace, _)) = self.workspace.clone() else {
5312 return;
5313 };
5314 let Some(project) = self.project.clone() else {
5315 return;
5316 };
5317
5318 // Try to find a closest, enclosing node using tree-sitter that has a
5319 // task
5320 let Some((buffer, buffer_row, tasks)) = self
5321 .find_enclosing_node_task(cx)
5322 // Or find the task that's closest in row-distance.
5323 .or_else(|| self.find_closest_task(cx))
5324 else {
5325 return;
5326 };
5327
5328 let reveal_strategy = action.reveal;
5329 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5330 cx.spawn_in(window, |_, mut cx| async move {
5331 let context = task_context.await?;
5332 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5333
5334 let resolved = resolved_task.resolved.as_mut()?;
5335 resolved.reveal = reveal_strategy;
5336
5337 workspace
5338 .update(&mut cx, |workspace, cx| {
5339 workspace::tasks::schedule_resolved_task(
5340 workspace,
5341 task_source_kind,
5342 resolved_task,
5343 false,
5344 cx,
5345 );
5346 })
5347 .ok()
5348 })
5349 .detach();
5350 }
5351
5352 fn find_closest_task(
5353 &mut self,
5354 cx: &mut Context<Self>,
5355 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5356 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5357
5358 let ((buffer_id, row), tasks) = self
5359 .tasks
5360 .iter()
5361 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5362
5363 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5364 let tasks = Arc::new(tasks.to_owned());
5365 Some((buffer, *row, tasks))
5366 }
5367
5368 fn find_enclosing_node_task(
5369 &mut self,
5370 cx: &mut Context<Self>,
5371 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5372 let snapshot = self.buffer.read(cx).snapshot(cx);
5373 let offset = self.selections.newest::<usize>(cx).head();
5374 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5375 let buffer_id = excerpt.buffer().remote_id();
5376
5377 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5378 let mut cursor = layer.node().walk();
5379
5380 while cursor.goto_first_child_for_byte(offset).is_some() {
5381 if cursor.node().end_byte() == offset {
5382 cursor.goto_next_sibling();
5383 }
5384 }
5385
5386 // Ascend to the smallest ancestor that contains the range and has a task.
5387 loop {
5388 let node = cursor.node();
5389 let node_range = node.byte_range();
5390 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5391
5392 // Check if this node contains our offset
5393 if node_range.start <= offset && node_range.end >= offset {
5394 // If it contains offset, check for task
5395 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5396 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5397 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5398 }
5399 }
5400
5401 if !cursor.goto_parent() {
5402 break;
5403 }
5404 }
5405 None
5406 }
5407
5408 fn render_run_indicator(
5409 &self,
5410 _style: &EditorStyle,
5411 is_active: bool,
5412 row: DisplayRow,
5413 cx: &mut Context<Self>,
5414 ) -> IconButton {
5415 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5416 .shape(ui::IconButtonShape::Square)
5417 .icon_size(IconSize::XSmall)
5418 .icon_color(Color::Muted)
5419 .toggle_state(is_active)
5420 .on_click(cx.listener(move |editor, _e, window, cx| {
5421 window.focus(&editor.focus_handle(cx));
5422 editor.toggle_code_actions(
5423 &ToggleCodeActions {
5424 deployed_from_indicator: Some(row),
5425 },
5426 window,
5427 cx,
5428 );
5429 }))
5430 }
5431
5432 #[cfg(any(test, feature = "test-support"))]
5433 pub fn context_menu_visible(&self) -> bool {
5434 self.context_menu
5435 .borrow()
5436 .as_ref()
5437 .map_or(false, |menu| menu.visible())
5438 }
5439
5440 #[cfg(feature = "test-support")]
5441 pub fn context_menu_contains_inline_completion(&self) -> bool {
5442 self.context_menu
5443 .borrow()
5444 .as_ref()
5445 .map_or(false, |menu| match menu {
5446 CodeContextMenu::Completions(menu) => {
5447 menu.entries.borrow().first().map_or(false, |entry| {
5448 matches!(entry, CompletionEntry::InlineCompletionHint(_))
5449 })
5450 }
5451 CodeContextMenu::CodeActions(_) => false,
5452 })
5453 }
5454
5455 fn context_menu_origin(&self, cursor_position: DisplayPoint) -> Option<ContextMenuOrigin> {
5456 self.context_menu
5457 .borrow()
5458 .as_ref()
5459 .map(|menu| menu.origin(cursor_position))
5460 }
5461
5462 fn render_context_menu(
5463 &self,
5464 style: &EditorStyle,
5465 max_height_in_lines: u32,
5466 y_flipped: bool,
5467 window: &mut Window,
5468 cx: &mut Context<Editor>,
5469 ) -> Option<AnyElement> {
5470 self.context_menu.borrow().as_ref().and_then(|menu| {
5471 if menu.visible() {
5472 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
5473 } else {
5474 None
5475 }
5476 })
5477 }
5478
5479 fn render_context_menu_aside(
5480 &self,
5481 style: &EditorStyle,
5482 max_size: Size<Pixels>,
5483 cx: &mut Context<Editor>,
5484 ) -> Option<AnyElement> {
5485 self.context_menu.borrow().as_ref().and_then(|menu| {
5486 if menu.visible() {
5487 menu.render_aside(
5488 style,
5489 max_size,
5490 self.workspace.as_ref().map(|(w, _)| w.clone()),
5491 cx,
5492 )
5493 } else {
5494 None
5495 }
5496 })
5497 }
5498
5499 fn hide_context_menu(
5500 &mut self,
5501 window: &mut Window,
5502 cx: &mut Context<Self>,
5503 ) -> Option<CodeContextMenu> {
5504 cx.notify();
5505 self.completion_tasks.clear();
5506 let context_menu = self.context_menu.borrow_mut().take();
5507 if context_menu.is_some() && !self.show_inline_completions_in_menu(cx) {
5508 self.update_visible_inline_completion(window, cx);
5509 }
5510 context_menu
5511 }
5512
5513 fn show_snippet_choices(
5514 &mut self,
5515 choices: &Vec<String>,
5516 selection: Range<Anchor>,
5517 cx: &mut Context<Self>,
5518 ) {
5519 if selection.start.buffer_id.is_none() {
5520 return;
5521 }
5522 let buffer_id = selection.start.buffer_id.unwrap();
5523 let buffer = self.buffer().read(cx).buffer(buffer_id);
5524 let id = post_inc(&mut self.next_completion_id);
5525
5526 if let Some(buffer) = buffer {
5527 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5528 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5529 ));
5530 }
5531 }
5532
5533 pub fn insert_snippet(
5534 &mut self,
5535 insertion_ranges: &[Range<usize>],
5536 snippet: Snippet,
5537 window: &mut Window,
5538 cx: &mut Context<Self>,
5539 ) -> Result<()> {
5540 struct Tabstop<T> {
5541 is_end_tabstop: bool,
5542 ranges: Vec<Range<T>>,
5543 choices: Option<Vec<String>>,
5544 }
5545
5546 let tabstops = self.buffer.update(cx, |buffer, cx| {
5547 let snippet_text: Arc<str> = snippet.text.clone().into();
5548 buffer.edit(
5549 insertion_ranges
5550 .iter()
5551 .cloned()
5552 .map(|range| (range, snippet_text.clone())),
5553 Some(AutoindentMode::EachLine),
5554 cx,
5555 );
5556
5557 let snapshot = &*buffer.read(cx);
5558 let snippet = &snippet;
5559 snippet
5560 .tabstops
5561 .iter()
5562 .map(|tabstop| {
5563 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
5564 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5565 });
5566 let mut tabstop_ranges = tabstop
5567 .ranges
5568 .iter()
5569 .flat_map(|tabstop_range| {
5570 let mut delta = 0_isize;
5571 insertion_ranges.iter().map(move |insertion_range| {
5572 let insertion_start = insertion_range.start as isize + delta;
5573 delta +=
5574 snippet.text.len() as isize - insertion_range.len() as isize;
5575
5576 let start = ((insertion_start + tabstop_range.start) as usize)
5577 .min(snapshot.len());
5578 let end = ((insertion_start + tabstop_range.end) as usize)
5579 .min(snapshot.len());
5580 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5581 })
5582 })
5583 .collect::<Vec<_>>();
5584 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5585
5586 Tabstop {
5587 is_end_tabstop,
5588 ranges: tabstop_ranges,
5589 choices: tabstop.choices.clone(),
5590 }
5591 })
5592 .collect::<Vec<_>>()
5593 });
5594 if let Some(tabstop) = tabstops.first() {
5595 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5596 s.select_ranges(tabstop.ranges.iter().cloned());
5597 });
5598
5599 if let Some(choices) = &tabstop.choices {
5600 if let Some(selection) = tabstop.ranges.first() {
5601 self.show_snippet_choices(choices, selection.clone(), cx)
5602 }
5603 }
5604
5605 // If we're already at the last tabstop and it's at the end of the snippet,
5606 // we're done, we don't need to keep the state around.
5607 if !tabstop.is_end_tabstop {
5608 let choices = tabstops
5609 .iter()
5610 .map(|tabstop| tabstop.choices.clone())
5611 .collect();
5612
5613 let ranges = tabstops
5614 .into_iter()
5615 .map(|tabstop| tabstop.ranges)
5616 .collect::<Vec<_>>();
5617
5618 self.snippet_stack.push(SnippetState {
5619 active_index: 0,
5620 ranges,
5621 choices,
5622 });
5623 }
5624
5625 // Check whether the just-entered snippet ends with an auto-closable bracket.
5626 if self.autoclose_regions.is_empty() {
5627 let snapshot = self.buffer.read(cx).snapshot(cx);
5628 for selection in &mut self.selections.all::<Point>(cx) {
5629 let selection_head = selection.head();
5630 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5631 continue;
5632 };
5633
5634 let mut bracket_pair = None;
5635 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5636 let prev_chars = snapshot
5637 .reversed_chars_at(selection_head)
5638 .collect::<String>();
5639 for (pair, enabled) in scope.brackets() {
5640 if enabled
5641 && pair.close
5642 && prev_chars.starts_with(pair.start.as_str())
5643 && next_chars.starts_with(pair.end.as_str())
5644 {
5645 bracket_pair = Some(pair.clone());
5646 break;
5647 }
5648 }
5649 if let Some(pair) = bracket_pair {
5650 let start = snapshot.anchor_after(selection_head);
5651 let end = snapshot.anchor_after(selection_head);
5652 self.autoclose_regions.push(AutocloseRegion {
5653 selection_id: selection.id,
5654 range: start..end,
5655 pair,
5656 });
5657 }
5658 }
5659 }
5660 }
5661 Ok(())
5662 }
5663
5664 pub fn move_to_next_snippet_tabstop(
5665 &mut self,
5666 window: &mut Window,
5667 cx: &mut Context<Self>,
5668 ) -> bool {
5669 self.move_to_snippet_tabstop(Bias::Right, window, cx)
5670 }
5671
5672 pub fn move_to_prev_snippet_tabstop(
5673 &mut self,
5674 window: &mut Window,
5675 cx: &mut Context<Self>,
5676 ) -> bool {
5677 self.move_to_snippet_tabstop(Bias::Left, window, cx)
5678 }
5679
5680 pub fn move_to_snippet_tabstop(
5681 &mut self,
5682 bias: Bias,
5683 window: &mut Window,
5684 cx: &mut Context<Self>,
5685 ) -> bool {
5686 if let Some(mut snippet) = self.snippet_stack.pop() {
5687 match bias {
5688 Bias::Left => {
5689 if snippet.active_index > 0 {
5690 snippet.active_index -= 1;
5691 } else {
5692 self.snippet_stack.push(snippet);
5693 return false;
5694 }
5695 }
5696 Bias::Right => {
5697 if snippet.active_index + 1 < snippet.ranges.len() {
5698 snippet.active_index += 1;
5699 } else {
5700 self.snippet_stack.push(snippet);
5701 return false;
5702 }
5703 }
5704 }
5705 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5706 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5707 s.select_anchor_ranges(current_ranges.iter().cloned())
5708 });
5709
5710 if let Some(choices) = &snippet.choices[snippet.active_index] {
5711 if let Some(selection) = current_ranges.first() {
5712 self.show_snippet_choices(&choices, selection.clone(), cx);
5713 }
5714 }
5715
5716 // If snippet state is not at the last tabstop, push it back on the stack
5717 if snippet.active_index + 1 < snippet.ranges.len() {
5718 self.snippet_stack.push(snippet);
5719 }
5720 return true;
5721 }
5722 }
5723
5724 false
5725 }
5726
5727 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5728 self.transact(window, cx, |this, window, cx| {
5729 this.select_all(&SelectAll, window, cx);
5730 this.insert("", window, cx);
5731 });
5732 }
5733
5734 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
5735 self.transact(window, cx, |this, window, cx| {
5736 this.select_autoclose_pair(window, cx);
5737 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5738 if !this.linked_edit_ranges.is_empty() {
5739 let selections = this.selections.all::<MultiBufferPoint>(cx);
5740 let snapshot = this.buffer.read(cx).snapshot(cx);
5741
5742 for selection in selections.iter() {
5743 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5744 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5745 if selection_start.buffer_id != selection_end.buffer_id {
5746 continue;
5747 }
5748 if let Some(ranges) =
5749 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5750 {
5751 for (buffer, entries) in ranges {
5752 linked_ranges.entry(buffer).or_default().extend(entries);
5753 }
5754 }
5755 }
5756 }
5757
5758 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5759 if !this.selections.line_mode {
5760 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5761 for selection in &mut selections {
5762 if selection.is_empty() {
5763 let old_head = selection.head();
5764 let mut new_head =
5765 movement::left(&display_map, old_head.to_display_point(&display_map))
5766 .to_point(&display_map);
5767 if let Some((buffer, line_buffer_range)) = display_map
5768 .buffer_snapshot
5769 .buffer_line_for_row(MultiBufferRow(old_head.row))
5770 {
5771 let indent_size =
5772 buffer.indent_size_for_line(line_buffer_range.start.row);
5773 let indent_len = match indent_size.kind {
5774 IndentKind::Space => {
5775 buffer.settings_at(line_buffer_range.start, cx).tab_size
5776 }
5777 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5778 };
5779 if old_head.column <= indent_size.len && old_head.column > 0 {
5780 let indent_len = indent_len.get();
5781 new_head = cmp::min(
5782 new_head,
5783 MultiBufferPoint::new(
5784 old_head.row,
5785 ((old_head.column - 1) / indent_len) * indent_len,
5786 ),
5787 );
5788 }
5789 }
5790
5791 selection.set_head(new_head, SelectionGoal::None);
5792 }
5793 }
5794 }
5795
5796 this.signature_help_state.set_backspace_pressed(true);
5797 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5798 s.select(selections)
5799 });
5800 this.insert("", window, cx);
5801 let empty_str: Arc<str> = Arc::from("");
5802 for (buffer, edits) in linked_ranges {
5803 let snapshot = buffer.read(cx).snapshot();
5804 use text::ToPoint as TP;
5805
5806 let edits = edits
5807 .into_iter()
5808 .map(|range| {
5809 let end_point = TP::to_point(&range.end, &snapshot);
5810 let mut start_point = TP::to_point(&range.start, &snapshot);
5811
5812 if end_point == start_point {
5813 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5814 .saturating_sub(1);
5815 start_point =
5816 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
5817 };
5818
5819 (start_point..end_point, empty_str.clone())
5820 })
5821 .sorted_by_key(|(range, _)| range.start)
5822 .collect::<Vec<_>>();
5823 buffer.update(cx, |this, cx| {
5824 this.edit(edits, None, cx);
5825 })
5826 }
5827 this.refresh_inline_completion(true, false, window, cx);
5828 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
5829 });
5830 }
5831
5832 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
5833 self.transact(window, cx, |this, window, cx| {
5834 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5835 let line_mode = s.line_mode;
5836 s.move_with(|map, selection| {
5837 if selection.is_empty() && !line_mode {
5838 let cursor = movement::right(map, selection.head());
5839 selection.end = cursor;
5840 selection.reversed = true;
5841 selection.goal = SelectionGoal::None;
5842 }
5843 })
5844 });
5845 this.insert("", window, cx);
5846 this.refresh_inline_completion(true, false, window, cx);
5847 });
5848 }
5849
5850 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
5851 if self.move_to_prev_snippet_tabstop(window, cx) {
5852 return;
5853 }
5854
5855 self.outdent(&Outdent, window, cx);
5856 }
5857
5858 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
5859 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
5860 return;
5861 }
5862
5863 let mut selections = self.selections.all_adjusted(cx);
5864 let buffer = self.buffer.read(cx);
5865 let snapshot = buffer.snapshot(cx);
5866 let rows_iter = selections.iter().map(|s| s.head().row);
5867 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5868
5869 let mut edits = Vec::new();
5870 let mut prev_edited_row = 0;
5871 let mut row_delta = 0;
5872 for selection in &mut selections {
5873 if selection.start.row != prev_edited_row {
5874 row_delta = 0;
5875 }
5876 prev_edited_row = selection.end.row;
5877
5878 // If the selection is non-empty, then increase the indentation of the selected lines.
5879 if !selection.is_empty() {
5880 row_delta =
5881 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5882 continue;
5883 }
5884
5885 // If the selection is empty and the cursor is in the leading whitespace before the
5886 // suggested indentation, then auto-indent the line.
5887 let cursor = selection.head();
5888 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5889 if let Some(suggested_indent) =
5890 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5891 {
5892 if cursor.column < suggested_indent.len
5893 && cursor.column <= current_indent.len
5894 && current_indent.len <= suggested_indent.len
5895 {
5896 selection.start = Point::new(cursor.row, suggested_indent.len);
5897 selection.end = selection.start;
5898 if row_delta == 0 {
5899 edits.extend(Buffer::edit_for_indent_size_adjustment(
5900 cursor.row,
5901 current_indent,
5902 suggested_indent,
5903 ));
5904 row_delta = suggested_indent.len - current_indent.len;
5905 }
5906 continue;
5907 }
5908 }
5909
5910 // Otherwise, insert a hard or soft tab.
5911 let settings = buffer.settings_at(cursor, cx);
5912 let tab_size = if settings.hard_tabs {
5913 IndentSize::tab()
5914 } else {
5915 let tab_size = settings.tab_size.get();
5916 let char_column = snapshot
5917 .text_for_range(Point::new(cursor.row, 0)..cursor)
5918 .flat_map(str::chars)
5919 .count()
5920 + row_delta as usize;
5921 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5922 IndentSize::spaces(chars_to_next_tab_stop)
5923 };
5924 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5925 selection.end = selection.start;
5926 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5927 row_delta += tab_size.len;
5928 }
5929
5930 self.transact(window, cx, |this, window, cx| {
5931 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5932 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5933 s.select(selections)
5934 });
5935 this.refresh_inline_completion(true, false, window, cx);
5936 });
5937 }
5938
5939 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
5940 if self.read_only(cx) {
5941 return;
5942 }
5943 let mut selections = self.selections.all::<Point>(cx);
5944 let mut prev_edited_row = 0;
5945 let mut row_delta = 0;
5946 let mut edits = Vec::new();
5947 let buffer = self.buffer.read(cx);
5948 let snapshot = buffer.snapshot(cx);
5949 for selection in &mut selections {
5950 if selection.start.row != prev_edited_row {
5951 row_delta = 0;
5952 }
5953 prev_edited_row = selection.end.row;
5954
5955 row_delta =
5956 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5957 }
5958
5959 self.transact(window, cx, |this, window, cx| {
5960 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5961 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5962 s.select(selections)
5963 });
5964 });
5965 }
5966
5967 fn indent_selection(
5968 buffer: &MultiBuffer,
5969 snapshot: &MultiBufferSnapshot,
5970 selection: &mut Selection<Point>,
5971 edits: &mut Vec<(Range<Point>, String)>,
5972 delta_for_start_row: u32,
5973 cx: &App,
5974 ) -> u32 {
5975 let settings = buffer.settings_at(selection.start, cx);
5976 let tab_size = settings.tab_size.get();
5977 let indent_kind = if settings.hard_tabs {
5978 IndentKind::Tab
5979 } else {
5980 IndentKind::Space
5981 };
5982 let mut start_row = selection.start.row;
5983 let mut end_row = selection.end.row + 1;
5984
5985 // If a selection ends at the beginning of a line, don't indent
5986 // that last line.
5987 if selection.end.column == 0 && selection.end.row > selection.start.row {
5988 end_row -= 1;
5989 }
5990
5991 // Avoid re-indenting a row that has already been indented by a
5992 // previous selection, but still update this selection's column
5993 // to reflect that indentation.
5994 if delta_for_start_row > 0 {
5995 start_row += 1;
5996 selection.start.column += delta_for_start_row;
5997 if selection.end.row == selection.start.row {
5998 selection.end.column += delta_for_start_row;
5999 }
6000 }
6001
6002 let mut delta_for_end_row = 0;
6003 let has_multiple_rows = start_row + 1 != end_row;
6004 for row in start_row..end_row {
6005 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6006 let indent_delta = match (current_indent.kind, indent_kind) {
6007 (IndentKind::Space, IndentKind::Space) => {
6008 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6009 IndentSize::spaces(columns_to_next_tab_stop)
6010 }
6011 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6012 (_, IndentKind::Tab) => IndentSize::tab(),
6013 };
6014
6015 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6016 0
6017 } else {
6018 selection.start.column
6019 };
6020 let row_start = Point::new(row, start);
6021 edits.push((
6022 row_start..row_start,
6023 indent_delta.chars().collect::<String>(),
6024 ));
6025
6026 // Update this selection's endpoints to reflect the indentation.
6027 if row == selection.start.row {
6028 selection.start.column += indent_delta.len;
6029 }
6030 if row == selection.end.row {
6031 selection.end.column += indent_delta.len;
6032 delta_for_end_row = indent_delta.len;
6033 }
6034 }
6035
6036 if selection.start.row == selection.end.row {
6037 delta_for_start_row + delta_for_end_row
6038 } else {
6039 delta_for_end_row
6040 }
6041 }
6042
6043 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6044 if self.read_only(cx) {
6045 return;
6046 }
6047 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6048 let selections = self.selections.all::<Point>(cx);
6049 let mut deletion_ranges = Vec::new();
6050 let mut last_outdent = None;
6051 {
6052 let buffer = self.buffer.read(cx);
6053 let snapshot = buffer.snapshot(cx);
6054 for selection in &selections {
6055 let settings = buffer.settings_at(selection.start, cx);
6056 let tab_size = settings.tab_size.get();
6057 let mut rows = selection.spanned_rows(false, &display_map);
6058
6059 // Avoid re-outdenting a row that has already been outdented by a
6060 // previous selection.
6061 if let Some(last_row) = last_outdent {
6062 if last_row == rows.start {
6063 rows.start = rows.start.next_row();
6064 }
6065 }
6066 let has_multiple_rows = rows.len() > 1;
6067 for row in rows.iter_rows() {
6068 let indent_size = snapshot.indent_size_for_line(row);
6069 if indent_size.len > 0 {
6070 let deletion_len = match indent_size.kind {
6071 IndentKind::Space => {
6072 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6073 if columns_to_prev_tab_stop == 0 {
6074 tab_size
6075 } else {
6076 columns_to_prev_tab_stop
6077 }
6078 }
6079 IndentKind::Tab => 1,
6080 };
6081 let start = if has_multiple_rows
6082 || deletion_len > selection.start.column
6083 || indent_size.len < selection.start.column
6084 {
6085 0
6086 } else {
6087 selection.start.column - deletion_len
6088 };
6089 deletion_ranges.push(
6090 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6091 );
6092 last_outdent = Some(row);
6093 }
6094 }
6095 }
6096 }
6097
6098 self.transact(window, cx, |this, window, cx| {
6099 this.buffer.update(cx, |buffer, cx| {
6100 let empty_str: Arc<str> = Arc::default();
6101 buffer.edit(
6102 deletion_ranges
6103 .into_iter()
6104 .map(|range| (range, empty_str.clone())),
6105 None,
6106 cx,
6107 );
6108 });
6109 let selections = this.selections.all::<usize>(cx);
6110 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6111 s.select(selections)
6112 });
6113 });
6114 }
6115
6116 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6117 if self.read_only(cx) {
6118 return;
6119 }
6120 let selections = self
6121 .selections
6122 .all::<usize>(cx)
6123 .into_iter()
6124 .map(|s| s.range());
6125
6126 self.transact(window, cx, |this, window, cx| {
6127 this.buffer.update(cx, |buffer, cx| {
6128 buffer.autoindent_ranges(selections, cx);
6129 });
6130 let selections = this.selections.all::<usize>(cx);
6131 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6132 s.select(selections)
6133 });
6134 });
6135 }
6136
6137 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6138 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6139 let selections = self.selections.all::<Point>(cx);
6140
6141 let mut new_cursors = Vec::new();
6142 let mut edit_ranges = Vec::new();
6143 let mut selections = selections.iter().peekable();
6144 while let Some(selection) = selections.next() {
6145 let mut rows = selection.spanned_rows(false, &display_map);
6146 let goal_display_column = selection.head().to_display_point(&display_map).column();
6147
6148 // Accumulate contiguous regions of rows that we want to delete.
6149 while let Some(next_selection) = selections.peek() {
6150 let next_rows = next_selection.spanned_rows(false, &display_map);
6151 if next_rows.start <= rows.end {
6152 rows.end = next_rows.end;
6153 selections.next().unwrap();
6154 } else {
6155 break;
6156 }
6157 }
6158
6159 let buffer = &display_map.buffer_snapshot;
6160 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6161 let edit_end;
6162 let cursor_buffer_row;
6163 if buffer.max_point().row >= rows.end.0 {
6164 // If there's a line after the range, delete the \n from the end of the row range
6165 // and position the cursor on the next line.
6166 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6167 cursor_buffer_row = rows.end;
6168 } else {
6169 // If there isn't a line after the range, delete the \n from the line before the
6170 // start of the row range and position the cursor there.
6171 edit_start = edit_start.saturating_sub(1);
6172 edit_end = buffer.len();
6173 cursor_buffer_row = rows.start.previous_row();
6174 }
6175
6176 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6177 *cursor.column_mut() =
6178 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6179
6180 new_cursors.push((
6181 selection.id,
6182 buffer.anchor_after(cursor.to_point(&display_map)),
6183 ));
6184 edit_ranges.push(edit_start..edit_end);
6185 }
6186
6187 self.transact(window, cx, |this, window, cx| {
6188 let buffer = this.buffer.update(cx, |buffer, cx| {
6189 let empty_str: Arc<str> = Arc::default();
6190 buffer.edit(
6191 edit_ranges
6192 .into_iter()
6193 .map(|range| (range, empty_str.clone())),
6194 None,
6195 cx,
6196 );
6197 buffer.snapshot(cx)
6198 });
6199 let new_selections = new_cursors
6200 .into_iter()
6201 .map(|(id, cursor)| {
6202 let cursor = cursor.to_point(&buffer);
6203 Selection {
6204 id,
6205 start: cursor,
6206 end: cursor,
6207 reversed: false,
6208 goal: SelectionGoal::None,
6209 }
6210 })
6211 .collect();
6212
6213 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6214 s.select(new_selections);
6215 });
6216 });
6217 }
6218
6219 pub fn join_lines_impl(
6220 &mut self,
6221 insert_whitespace: bool,
6222 window: &mut Window,
6223 cx: &mut Context<Self>,
6224 ) {
6225 if self.read_only(cx) {
6226 return;
6227 }
6228 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6229 for selection in self.selections.all::<Point>(cx) {
6230 let start = MultiBufferRow(selection.start.row);
6231 // Treat single line selections as if they include the next line. Otherwise this action
6232 // would do nothing for single line selections individual cursors.
6233 let end = if selection.start.row == selection.end.row {
6234 MultiBufferRow(selection.start.row + 1)
6235 } else {
6236 MultiBufferRow(selection.end.row)
6237 };
6238
6239 if let Some(last_row_range) = row_ranges.last_mut() {
6240 if start <= last_row_range.end {
6241 last_row_range.end = end;
6242 continue;
6243 }
6244 }
6245 row_ranges.push(start..end);
6246 }
6247
6248 let snapshot = self.buffer.read(cx).snapshot(cx);
6249 let mut cursor_positions = Vec::new();
6250 for row_range in &row_ranges {
6251 let anchor = snapshot.anchor_before(Point::new(
6252 row_range.end.previous_row().0,
6253 snapshot.line_len(row_range.end.previous_row()),
6254 ));
6255 cursor_positions.push(anchor..anchor);
6256 }
6257
6258 self.transact(window, cx, |this, window, cx| {
6259 for row_range in row_ranges.into_iter().rev() {
6260 for row in row_range.iter_rows().rev() {
6261 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6262 let next_line_row = row.next_row();
6263 let indent = snapshot.indent_size_for_line(next_line_row);
6264 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6265
6266 let replace =
6267 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6268 " "
6269 } else {
6270 ""
6271 };
6272
6273 this.buffer.update(cx, |buffer, cx| {
6274 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6275 });
6276 }
6277 }
6278
6279 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6280 s.select_anchor_ranges(cursor_positions)
6281 });
6282 });
6283 }
6284
6285 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6286 self.join_lines_impl(true, window, cx);
6287 }
6288
6289 pub fn sort_lines_case_sensitive(
6290 &mut self,
6291 _: &SortLinesCaseSensitive,
6292 window: &mut Window,
6293 cx: &mut Context<Self>,
6294 ) {
6295 self.manipulate_lines(window, cx, |lines| lines.sort())
6296 }
6297
6298 pub fn sort_lines_case_insensitive(
6299 &mut self,
6300 _: &SortLinesCaseInsensitive,
6301 window: &mut Window,
6302 cx: &mut Context<Self>,
6303 ) {
6304 self.manipulate_lines(window, cx, |lines| {
6305 lines.sort_by_key(|line| line.to_lowercase())
6306 })
6307 }
6308
6309 pub fn unique_lines_case_insensitive(
6310 &mut self,
6311 _: &UniqueLinesCaseInsensitive,
6312 window: &mut Window,
6313 cx: &mut Context<Self>,
6314 ) {
6315 self.manipulate_lines(window, cx, |lines| {
6316 let mut seen = HashSet::default();
6317 lines.retain(|line| seen.insert(line.to_lowercase()));
6318 })
6319 }
6320
6321 pub fn unique_lines_case_sensitive(
6322 &mut self,
6323 _: &UniqueLinesCaseSensitive,
6324 window: &mut Window,
6325 cx: &mut Context<Self>,
6326 ) {
6327 self.manipulate_lines(window, cx, |lines| {
6328 let mut seen = HashSet::default();
6329 lines.retain(|line| seen.insert(*line));
6330 })
6331 }
6332
6333 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6334 let mut revert_changes = HashMap::default();
6335 let snapshot = self.snapshot(window, cx);
6336 for hunk in snapshot
6337 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6338 {
6339 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6340 }
6341 if !revert_changes.is_empty() {
6342 self.transact(window, cx, |editor, window, cx| {
6343 editor.revert(revert_changes, window, cx);
6344 });
6345 }
6346 }
6347
6348 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6349 let Some(project) = self.project.clone() else {
6350 return;
6351 };
6352 self.reload(project, window, cx)
6353 .detach_and_notify_err(window, cx);
6354 }
6355
6356 pub fn revert_selected_hunks(
6357 &mut self,
6358 _: &RevertSelectedHunks,
6359 window: &mut Window,
6360 cx: &mut Context<Self>,
6361 ) {
6362 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6363 self.revert_hunks_in_ranges(selections, window, cx);
6364 }
6365
6366 fn revert_hunks_in_ranges(
6367 &mut self,
6368 ranges: impl Iterator<Item = Range<Point>>,
6369 window: &mut Window,
6370 cx: &mut Context<Editor>,
6371 ) {
6372 let mut revert_changes = HashMap::default();
6373 let snapshot = self.snapshot(window, cx);
6374 for hunk in &snapshot.hunks_for_ranges(ranges) {
6375 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6376 }
6377 if !revert_changes.is_empty() {
6378 self.transact(window, cx, |editor, window, cx| {
6379 editor.revert(revert_changes, window, cx);
6380 });
6381 }
6382 }
6383
6384 pub fn open_active_item_in_terminal(
6385 &mut self,
6386 _: &OpenInTerminal,
6387 window: &mut Window,
6388 cx: &mut Context<Self>,
6389 ) {
6390 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6391 let project_path = buffer.read(cx).project_path(cx)?;
6392 let project = self.project.as_ref()?.read(cx);
6393 let entry = project.entry_for_path(&project_path, cx)?;
6394 let parent = match &entry.canonical_path {
6395 Some(canonical_path) => canonical_path.to_path_buf(),
6396 None => project.absolute_path(&project_path, cx)?,
6397 }
6398 .parent()?
6399 .to_path_buf();
6400 Some(parent)
6401 }) {
6402 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6403 }
6404 }
6405
6406 pub fn prepare_revert_change(
6407 &self,
6408 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6409 hunk: &MultiBufferDiffHunk,
6410 cx: &mut App,
6411 ) -> Option<()> {
6412 let buffer = self.buffer.read(cx);
6413 let change_set = buffer.change_set_for(hunk.buffer_id)?;
6414 let buffer = buffer.buffer(hunk.buffer_id)?;
6415 let buffer = buffer.read(cx);
6416 let original_text = change_set
6417 .read(cx)
6418 .base_text
6419 .as_ref()?
6420 .as_rope()
6421 .slice(hunk.diff_base_byte_range.clone());
6422 let buffer_snapshot = buffer.snapshot();
6423 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6424 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6425 probe
6426 .0
6427 .start
6428 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6429 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6430 }) {
6431 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6432 Some(())
6433 } else {
6434 None
6435 }
6436 }
6437
6438 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
6439 self.manipulate_lines(window, cx, |lines| lines.reverse())
6440 }
6441
6442 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
6443 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
6444 }
6445
6446 fn manipulate_lines<Fn>(
6447 &mut self,
6448 window: &mut Window,
6449 cx: &mut Context<Self>,
6450 mut callback: Fn,
6451 ) where
6452 Fn: FnMut(&mut Vec<&str>),
6453 {
6454 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6455 let buffer = self.buffer.read(cx).snapshot(cx);
6456
6457 let mut edits = Vec::new();
6458
6459 let selections = self.selections.all::<Point>(cx);
6460 let mut selections = selections.iter().peekable();
6461 let mut contiguous_row_selections = Vec::new();
6462 let mut new_selections = Vec::new();
6463 let mut added_lines = 0;
6464 let mut removed_lines = 0;
6465
6466 while let Some(selection) = selections.next() {
6467 let (start_row, end_row) = consume_contiguous_rows(
6468 &mut contiguous_row_selections,
6469 selection,
6470 &display_map,
6471 &mut selections,
6472 );
6473
6474 let start_point = Point::new(start_row.0, 0);
6475 let end_point = Point::new(
6476 end_row.previous_row().0,
6477 buffer.line_len(end_row.previous_row()),
6478 );
6479 let text = buffer
6480 .text_for_range(start_point..end_point)
6481 .collect::<String>();
6482
6483 let mut lines = text.split('\n').collect_vec();
6484
6485 let lines_before = lines.len();
6486 callback(&mut lines);
6487 let lines_after = lines.len();
6488
6489 edits.push((start_point..end_point, lines.join("\n")));
6490
6491 // Selections must change based on added and removed line count
6492 let start_row =
6493 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6494 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6495 new_selections.push(Selection {
6496 id: selection.id,
6497 start: start_row,
6498 end: end_row,
6499 goal: SelectionGoal::None,
6500 reversed: selection.reversed,
6501 });
6502
6503 if lines_after > lines_before {
6504 added_lines += lines_after - lines_before;
6505 } else if lines_before > lines_after {
6506 removed_lines += lines_before - lines_after;
6507 }
6508 }
6509
6510 self.transact(window, cx, |this, window, cx| {
6511 let buffer = this.buffer.update(cx, |buffer, cx| {
6512 buffer.edit(edits, None, cx);
6513 buffer.snapshot(cx)
6514 });
6515
6516 // Recalculate offsets on newly edited buffer
6517 let new_selections = new_selections
6518 .iter()
6519 .map(|s| {
6520 let start_point = Point::new(s.start.0, 0);
6521 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6522 Selection {
6523 id: s.id,
6524 start: buffer.point_to_offset(start_point),
6525 end: buffer.point_to_offset(end_point),
6526 goal: s.goal,
6527 reversed: s.reversed,
6528 }
6529 })
6530 .collect();
6531
6532 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6533 s.select(new_selections);
6534 });
6535
6536 this.request_autoscroll(Autoscroll::fit(), cx);
6537 });
6538 }
6539
6540 pub fn convert_to_upper_case(
6541 &mut self,
6542 _: &ConvertToUpperCase,
6543 window: &mut Window,
6544 cx: &mut Context<Self>,
6545 ) {
6546 self.manipulate_text(window, cx, |text| text.to_uppercase())
6547 }
6548
6549 pub fn convert_to_lower_case(
6550 &mut self,
6551 _: &ConvertToLowerCase,
6552 window: &mut Window,
6553 cx: &mut Context<Self>,
6554 ) {
6555 self.manipulate_text(window, cx, |text| text.to_lowercase())
6556 }
6557
6558 pub fn convert_to_title_case(
6559 &mut self,
6560 _: &ConvertToTitleCase,
6561 window: &mut Window,
6562 cx: &mut Context<Self>,
6563 ) {
6564 self.manipulate_text(window, cx, |text| {
6565 text.split('\n')
6566 .map(|line| line.to_case(Case::Title))
6567 .join("\n")
6568 })
6569 }
6570
6571 pub fn convert_to_snake_case(
6572 &mut self,
6573 _: &ConvertToSnakeCase,
6574 window: &mut Window,
6575 cx: &mut Context<Self>,
6576 ) {
6577 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
6578 }
6579
6580 pub fn convert_to_kebab_case(
6581 &mut self,
6582 _: &ConvertToKebabCase,
6583 window: &mut Window,
6584 cx: &mut Context<Self>,
6585 ) {
6586 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
6587 }
6588
6589 pub fn convert_to_upper_camel_case(
6590 &mut self,
6591 _: &ConvertToUpperCamelCase,
6592 window: &mut Window,
6593 cx: &mut Context<Self>,
6594 ) {
6595 self.manipulate_text(window, cx, |text| {
6596 text.split('\n')
6597 .map(|line| line.to_case(Case::UpperCamel))
6598 .join("\n")
6599 })
6600 }
6601
6602 pub fn convert_to_lower_camel_case(
6603 &mut self,
6604 _: &ConvertToLowerCamelCase,
6605 window: &mut Window,
6606 cx: &mut Context<Self>,
6607 ) {
6608 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
6609 }
6610
6611 pub fn convert_to_opposite_case(
6612 &mut self,
6613 _: &ConvertToOppositeCase,
6614 window: &mut Window,
6615 cx: &mut Context<Self>,
6616 ) {
6617 self.manipulate_text(window, cx, |text| {
6618 text.chars()
6619 .fold(String::with_capacity(text.len()), |mut t, c| {
6620 if c.is_uppercase() {
6621 t.extend(c.to_lowercase());
6622 } else {
6623 t.extend(c.to_uppercase());
6624 }
6625 t
6626 })
6627 })
6628 }
6629
6630 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
6631 where
6632 Fn: FnMut(&str) -> String,
6633 {
6634 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6635 let buffer = self.buffer.read(cx).snapshot(cx);
6636
6637 let mut new_selections = Vec::new();
6638 let mut edits = Vec::new();
6639 let mut selection_adjustment = 0i32;
6640
6641 for selection in self.selections.all::<usize>(cx) {
6642 let selection_is_empty = selection.is_empty();
6643
6644 let (start, end) = if selection_is_empty {
6645 let word_range = movement::surrounding_word(
6646 &display_map,
6647 selection.start.to_display_point(&display_map),
6648 );
6649 let start = word_range.start.to_offset(&display_map, Bias::Left);
6650 let end = word_range.end.to_offset(&display_map, Bias::Left);
6651 (start, end)
6652 } else {
6653 (selection.start, selection.end)
6654 };
6655
6656 let text = buffer.text_for_range(start..end).collect::<String>();
6657 let old_length = text.len() as i32;
6658 let text = callback(&text);
6659
6660 new_selections.push(Selection {
6661 start: (start as i32 - selection_adjustment) as usize,
6662 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6663 goal: SelectionGoal::None,
6664 ..selection
6665 });
6666
6667 selection_adjustment += old_length - text.len() as i32;
6668
6669 edits.push((start..end, text));
6670 }
6671
6672 self.transact(window, cx, |this, window, cx| {
6673 this.buffer.update(cx, |buffer, cx| {
6674 buffer.edit(edits, None, cx);
6675 });
6676
6677 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6678 s.select(new_selections);
6679 });
6680
6681 this.request_autoscroll(Autoscroll::fit(), cx);
6682 });
6683 }
6684
6685 pub fn duplicate(
6686 &mut self,
6687 upwards: bool,
6688 whole_lines: bool,
6689 window: &mut Window,
6690 cx: &mut Context<Self>,
6691 ) {
6692 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6693 let buffer = &display_map.buffer_snapshot;
6694 let selections = self.selections.all::<Point>(cx);
6695
6696 let mut edits = Vec::new();
6697 let mut selections_iter = selections.iter().peekable();
6698 while let Some(selection) = selections_iter.next() {
6699 let mut rows = selection.spanned_rows(false, &display_map);
6700 // duplicate line-wise
6701 if whole_lines || selection.start == selection.end {
6702 // Avoid duplicating the same lines twice.
6703 while let Some(next_selection) = selections_iter.peek() {
6704 let next_rows = next_selection.spanned_rows(false, &display_map);
6705 if next_rows.start < rows.end {
6706 rows.end = next_rows.end;
6707 selections_iter.next().unwrap();
6708 } else {
6709 break;
6710 }
6711 }
6712
6713 // Copy the text from the selected row region and splice it either at the start
6714 // or end of the region.
6715 let start = Point::new(rows.start.0, 0);
6716 let end = Point::new(
6717 rows.end.previous_row().0,
6718 buffer.line_len(rows.end.previous_row()),
6719 );
6720 let text = buffer
6721 .text_for_range(start..end)
6722 .chain(Some("\n"))
6723 .collect::<String>();
6724 let insert_location = if upwards {
6725 Point::new(rows.end.0, 0)
6726 } else {
6727 start
6728 };
6729 edits.push((insert_location..insert_location, text));
6730 } else {
6731 // duplicate character-wise
6732 let start = selection.start;
6733 let end = selection.end;
6734 let text = buffer.text_for_range(start..end).collect::<String>();
6735 edits.push((selection.end..selection.end, text));
6736 }
6737 }
6738
6739 self.transact(window, cx, |this, _, cx| {
6740 this.buffer.update(cx, |buffer, cx| {
6741 buffer.edit(edits, None, cx);
6742 });
6743
6744 this.request_autoscroll(Autoscroll::fit(), cx);
6745 });
6746 }
6747
6748 pub fn duplicate_line_up(
6749 &mut self,
6750 _: &DuplicateLineUp,
6751 window: &mut Window,
6752 cx: &mut Context<Self>,
6753 ) {
6754 self.duplicate(true, true, window, cx);
6755 }
6756
6757 pub fn duplicate_line_down(
6758 &mut self,
6759 _: &DuplicateLineDown,
6760 window: &mut Window,
6761 cx: &mut Context<Self>,
6762 ) {
6763 self.duplicate(false, true, window, cx);
6764 }
6765
6766 pub fn duplicate_selection(
6767 &mut self,
6768 _: &DuplicateSelection,
6769 window: &mut Window,
6770 cx: &mut Context<Self>,
6771 ) {
6772 self.duplicate(false, false, window, cx);
6773 }
6774
6775 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
6776 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6777 let buffer = self.buffer.read(cx).snapshot(cx);
6778
6779 let mut edits = Vec::new();
6780 let mut unfold_ranges = Vec::new();
6781 let mut refold_creases = Vec::new();
6782
6783 let selections = self.selections.all::<Point>(cx);
6784 let mut selections = selections.iter().peekable();
6785 let mut contiguous_row_selections = Vec::new();
6786 let mut new_selections = Vec::new();
6787
6788 while let Some(selection) = selections.next() {
6789 // Find all the selections that span a contiguous row range
6790 let (start_row, end_row) = consume_contiguous_rows(
6791 &mut contiguous_row_selections,
6792 selection,
6793 &display_map,
6794 &mut selections,
6795 );
6796
6797 // Move the text spanned by the row range to be before the line preceding the row range
6798 if start_row.0 > 0 {
6799 let range_to_move = Point::new(
6800 start_row.previous_row().0,
6801 buffer.line_len(start_row.previous_row()),
6802 )
6803 ..Point::new(
6804 end_row.previous_row().0,
6805 buffer.line_len(end_row.previous_row()),
6806 );
6807 let insertion_point = display_map
6808 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6809 .0;
6810
6811 // Don't move lines across excerpts
6812 if buffer
6813 .excerpt_containing(insertion_point..range_to_move.end)
6814 .is_some()
6815 {
6816 let text = buffer
6817 .text_for_range(range_to_move.clone())
6818 .flat_map(|s| s.chars())
6819 .skip(1)
6820 .chain(['\n'])
6821 .collect::<String>();
6822
6823 edits.push((
6824 buffer.anchor_after(range_to_move.start)
6825 ..buffer.anchor_before(range_to_move.end),
6826 String::new(),
6827 ));
6828 let insertion_anchor = buffer.anchor_after(insertion_point);
6829 edits.push((insertion_anchor..insertion_anchor, text));
6830
6831 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6832
6833 // Move selections up
6834 new_selections.extend(contiguous_row_selections.drain(..).map(
6835 |mut selection| {
6836 selection.start.row -= row_delta;
6837 selection.end.row -= row_delta;
6838 selection
6839 },
6840 ));
6841
6842 // Move folds up
6843 unfold_ranges.push(range_to_move.clone());
6844 for fold in display_map.folds_in_range(
6845 buffer.anchor_before(range_to_move.start)
6846 ..buffer.anchor_after(range_to_move.end),
6847 ) {
6848 let mut start = fold.range.start.to_point(&buffer);
6849 let mut end = fold.range.end.to_point(&buffer);
6850 start.row -= row_delta;
6851 end.row -= row_delta;
6852 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6853 }
6854 }
6855 }
6856
6857 // If we didn't move line(s), preserve the existing selections
6858 new_selections.append(&mut contiguous_row_selections);
6859 }
6860
6861 self.transact(window, cx, |this, window, cx| {
6862 this.unfold_ranges(&unfold_ranges, true, true, cx);
6863 this.buffer.update(cx, |buffer, cx| {
6864 for (range, text) in edits {
6865 buffer.edit([(range, text)], None, cx);
6866 }
6867 });
6868 this.fold_creases(refold_creases, true, window, cx);
6869 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6870 s.select(new_selections);
6871 })
6872 });
6873 }
6874
6875 pub fn move_line_down(
6876 &mut self,
6877 _: &MoveLineDown,
6878 window: &mut Window,
6879 cx: &mut Context<Self>,
6880 ) {
6881 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6882 let buffer = self.buffer.read(cx).snapshot(cx);
6883
6884 let mut edits = Vec::new();
6885 let mut unfold_ranges = Vec::new();
6886 let mut refold_creases = Vec::new();
6887
6888 let selections = self.selections.all::<Point>(cx);
6889 let mut selections = selections.iter().peekable();
6890 let mut contiguous_row_selections = Vec::new();
6891 let mut new_selections = Vec::new();
6892
6893 while let Some(selection) = selections.next() {
6894 // Find all the selections that span a contiguous row range
6895 let (start_row, end_row) = consume_contiguous_rows(
6896 &mut contiguous_row_selections,
6897 selection,
6898 &display_map,
6899 &mut selections,
6900 );
6901
6902 // Move the text spanned by the row range to be after the last line of the row range
6903 if end_row.0 <= buffer.max_point().row {
6904 let range_to_move =
6905 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6906 let insertion_point = display_map
6907 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6908 .0;
6909
6910 // Don't move lines across excerpt boundaries
6911 if buffer
6912 .excerpt_containing(range_to_move.start..insertion_point)
6913 .is_some()
6914 {
6915 let mut text = String::from("\n");
6916 text.extend(buffer.text_for_range(range_to_move.clone()));
6917 text.pop(); // Drop trailing newline
6918 edits.push((
6919 buffer.anchor_after(range_to_move.start)
6920 ..buffer.anchor_before(range_to_move.end),
6921 String::new(),
6922 ));
6923 let insertion_anchor = buffer.anchor_after(insertion_point);
6924 edits.push((insertion_anchor..insertion_anchor, text));
6925
6926 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6927
6928 // Move selections down
6929 new_selections.extend(contiguous_row_selections.drain(..).map(
6930 |mut selection| {
6931 selection.start.row += row_delta;
6932 selection.end.row += row_delta;
6933 selection
6934 },
6935 ));
6936
6937 // Move folds down
6938 unfold_ranges.push(range_to_move.clone());
6939 for fold in display_map.folds_in_range(
6940 buffer.anchor_before(range_to_move.start)
6941 ..buffer.anchor_after(range_to_move.end),
6942 ) {
6943 let mut start = fold.range.start.to_point(&buffer);
6944 let mut end = fold.range.end.to_point(&buffer);
6945 start.row += row_delta;
6946 end.row += row_delta;
6947 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6948 }
6949 }
6950 }
6951
6952 // If we didn't move line(s), preserve the existing selections
6953 new_selections.append(&mut contiguous_row_selections);
6954 }
6955
6956 self.transact(window, cx, |this, window, cx| {
6957 this.unfold_ranges(&unfold_ranges, true, true, cx);
6958 this.buffer.update(cx, |buffer, cx| {
6959 for (range, text) in edits {
6960 buffer.edit([(range, text)], None, cx);
6961 }
6962 });
6963 this.fold_creases(refold_creases, true, window, cx);
6964 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6965 s.select(new_selections)
6966 });
6967 });
6968 }
6969
6970 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
6971 let text_layout_details = &self.text_layout_details(window);
6972 self.transact(window, cx, |this, window, cx| {
6973 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6974 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6975 let line_mode = s.line_mode;
6976 s.move_with(|display_map, selection| {
6977 if !selection.is_empty() || line_mode {
6978 return;
6979 }
6980
6981 let mut head = selection.head();
6982 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6983 if head.column() == display_map.line_len(head.row()) {
6984 transpose_offset = display_map
6985 .buffer_snapshot
6986 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6987 }
6988
6989 if transpose_offset == 0 {
6990 return;
6991 }
6992
6993 *head.column_mut() += 1;
6994 head = display_map.clip_point(head, Bias::Right);
6995 let goal = SelectionGoal::HorizontalPosition(
6996 display_map
6997 .x_for_display_point(head, text_layout_details)
6998 .into(),
6999 );
7000 selection.collapse_to(head, goal);
7001
7002 let transpose_start = display_map
7003 .buffer_snapshot
7004 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7005 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7006 let transpose_end = display_map
7007 .buffer_snapshot
7008 .clip_offset(transpose_offset + 1, Bias::Right);
7009 if let Some(ch) =
7010 display_map.buffer_snapshot.chars_at(transpose_start).next()
7011 {
7012 edits.push((transpose_start..transpose_offset, String::new()));
7013 edits.push((transpose_end..transpose_end, ch.to_string()));
7014 }
7015 }
7016 });
7017 edits
7018 });
7019 this.buffer
7020 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7021 let selections = this.selections.all::<usize>(cx);
7022 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7023 s.select(selections);
7024 });
7025 });
7026 }
7027
7028 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7029 self.rewrap_impl(IsVimMode::No, cx)
7030 }
7031
7032 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7033 let buffer = self.buffer.read(cx).snapshot(cx);
7034 let selections = self.selections.all::<Point>(cx);
7035 let mut selections = selections.iter().peekable();
7036
7037 let mut edits = Vec::new();
7038 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7039
7040 while let Some(selection) = selections.next() {
7041 let mut start_row = selection.start.row;
7042 let mut end_row = selection.end.row;
7043
7044 // Skip selections that overlap with a range that has already been rewrapped.
7045 let selection_range = start_row..end_row;
7046 if rewrapped_row_ranges
7047 .iter()
7048 .any(|range| range.overlaps(&selection_range))
7049 {
7050 continue;
7051 }
7052
7053 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7054
7055 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7056 match language_scope.language_name().as_ref() {
7057 "Markdown" | "Plain Text" => {
7058 should_rewrap = true;
7059 }
7060 _ => {}
7061 }
7062 }
7063
7064 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7065
7066 // Since not all lines in the selection may be at the same indent
7067 // level, choose the indent size that is the most common between all
7068 // of the lines.
7069 //
7070 // If there is a tie, we use the deepest indent.
7071 let (indent_size, indent_end) = {
7072 let mut indent_size_occurrences = HashMap::default();
7073 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7074
7075 for row in start_row..=end_row {
7076 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7077 rows_by_indent_size.entry(indent).or_default().push(row);
7078 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7079 }
7080
7081 let indent_size = indent_size_occurrences
7082 .into_iter()
7083 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7084 .map(|(indent, _)| indent)
7085 .unwrap_or_default();
7086 let row = rows_by_indent_size[&indent_size][0];
7087 let indent_end = Point::new(row, indent_size.len);
7088
7089 (indent_size, indent_end)
7090 };
7091
7092 let mut line_prefix = indent_size.chars().collect::<String>();
7093
7094 if let Some(comment_prefix) =
7095 buffer
7096 .language_scope_at(selection.head())
7097 .and_then(|language| {
7098 language
7099 .line_comment_prefixes()
7100 .iter()
7101 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7102 .cloned()
7103 })
7104 {
7105 line_prefix.push_str(&comment_prefix);
7106 should_rewrap = true;
7107 }
7108
7109 if !should_rewrap {
7110 continue;
7111 }
7112
7113 if selection.is_empty() {
7114 'expand_upwards: while start_row > 0 {
7115 let prev_row = start_row - 1;
7116 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7117 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7118 {
7119 start_row = prev_row;
7120 } else {
7121 break 'expand_upwards;
7122 }
7123 }
7124
7125 'expand_downwards: while end_row < buffer.max_point().row {
7126 let next_row = end_row + 1;
7127 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7128 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7129 {
7130 end_row = next_row;
7131 } else {
7132 break 'expand_downwards;
7133 }
7134 }
7135 }
7136
7137 let start = Point::new(start_row, 0);
7138 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7139 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7140 let Some(lines_without_prefixes) = selection_text
7141 .lines()
7142 .map(|line| {
7143 line.strip_prefix(&line_prefix)
7144 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7145 .ok_or_else(|| {
7146 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7147 })
7148 })
7149 .collect::<Result<Vec<_>, _>>()
7150 .log_err()
7151 else {
7152 continue;
7153 };
7154
7155 let wrap_column = buffer
7156 .settings_at(Point::new(start_row, 0), cx)
7157 .preferred_line_length as usize;
7158 let wrapped_text = wrap_with_prefix(
7159 line_prefix,
7160 lines_without_prefixes.join(" "),
7161 wrap_column,
7162 tab_size,
7163 );
7164
7165 // TODO: should always use char-based diff while still supporting cursor behavior that
7166 // matches vim.
7167 let diff = match is_vim_mode {
7168 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7169 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7170 };
7171 let mut offset = start.to_offset(&buffer);
7172 let mut moved_since_edit = true;
7173
7174 for change in diff.iter_all_changes() {
7175 let value = change.value();
7176 match change.tag() {
7177 ChangeTag::Equal => {
7178 offset += value.len();
7179 moved_since_edit = true;
7180 }
7181 ChangeTag::Delete => {
7182 let start = buffer.anchor_after(offset);
7183 let end = buffer.anchor_before(offset + value.len());
7184
7185 if moved_since_edit {
7186 edits.push((start..end, String::new()));
7187 } else {
7188 edits.last_mut().unwrap().0.end = end;
7189 }
7190
7191 offset += value.len();
7192 moved_since_edit = false;
7193 }
7194 ChangeTag::Insert => {
7195 if moved_since_edit {
7196 let anchor = buffer.anchor_after(offset);
7197 edits.push((anchor..anchor, value.to_string()));
7198 } else {
7199 edits.last_mut().unwrap().1.push_str(value);
7200 }
7201
7202 moved_since_edit = false;
7203 }
7204 }
7205 }
7206
7207 rewrapped_row_ranges.push(start_row..=end_row);
7208 }
7209
7210 self.buffer
7211 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7212 }
7213
7214 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7215 let mut text = String::new();
7216 let buffer = self.buffer.read(cx).snapshot(cx);
7217 let mut selections = self.selections.all::<Point>(cx);
7218 let mut clipboard_selections = Vec::with_capacity(selections.len());
7219 {
7220 let max_point = buffer.max_point();
7221 let mut is_first = true;
7222 for selection in &mut selections {
7223 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7224 if is_entire_line {
7225 selection.start = Point::new(selection.start.row, 0);
7226 if !selection.is_empty() && selection.end.column == 0 {
7227 selection.end = cmp::min(max_point, selection.end);
7228 } else {
7229 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7230 }
7231 selection.goal = SelectionGoal::None;
7232 }
7233 if is_first {
7234 is_first = false;
7235 } else {
7236 text += "\n";
7237 }
7238 let mut len = 0;
7239 for chunk in buffer.text_for_range(selection.start..selection.end) {
7240 text.push_str(chunk);
7241 len += chunk.len();
7242 }
7243 clipboard_selections.push(ClipboardSelection {
7244 len,
7245 is_entire_line,
7246 first_line_indent: buffer
7247 .indent_size_for_line(MultiBufferRow(selection.start.row))
7248 .len,
7249 });
7250 }
7251 }
7252
7253 self.transact(window, cx, |this, window, cx| {
7254 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7255 s.select(selections);
7256 });
7257 this.insert("", window, cx);
7258 });
7259 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7260 }
7261
7262 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7263 let item = self.cut_common(window, cx);
7264 cx.write_to_clipboard(item);
7265 }
7266
7267 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7268 self.change_selections(None, window, cx, |s| {
7269 s.move_with(|snapshot, sel| {
7270 if sel.is_empty() {
7271 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7272 }
7273 });
7274 });
7275 let item = self.cut_common(window, cx);
7276 cx.set_global(KillRing(item))
7277 }
7278
7279 pub fn kill_ring_yank(
7280 &mut self,
7281 _: &KillRingYank,
7282 window: &mut Window,
7283 cx: &mut Context<Self>,
7284 ) {
7285 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7286 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7287 (kill_ring.text().to_string(), kill_ring.metadata_json())
7288 } else {
7289 return;
7290 }
7291 } else {
7292 return;
7293 };
7294 self.do_paste(&text, metadata, false, window, cx);
7295 }
7296
7297 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7298 let selections = self.selections.all::<Point>(cx);
7299 let buffer = self.buffer.read(cx).read(cx);
7300 let mut text = String::new();
7301
7302 let mut clipboard_selections = Vec::with_capacity(selections.len());
7303 {
7304 let max_point = buffer.max_point();
7305 let mut is_first = true;
7306 for selection in selections.iter() {
7307 let mut start = selection.start;
7308 let mut end = selection.end;
7309 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7310 if is_entire_line {
7311 start = Point::new(start.row, 0);
7312 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7313 }
7314 if is_first {
7315 is_first = false;
7316 } else {
7317 text += "\n";
7318 }
7319 let mut len = 0;
7320 for chunk in buffer.text_for_range(start..end) {
7321 text.push_str(chunk);
7322 len += chunk.len();
7323 }
7324 clipboard_selections.push(ClipboardSelection {
7325 len,
7326 is_entire_line,
7327 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7328 });
7329 }
7330 }
7331
7332 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7333 text,
7334 clipboard_selections,
7335 ));
7336 }
7337
7338 pub fn do_paste(
7339 &mut self,
7340 text: &String,
7341 clipboard_selections: Option<Vec<ClipboardSelection>>,
7342 handle_entire_lines: bool,
7343 window: &mut Window,
7344 cx: &mut Context<Self>,
7345 ) {
7346 if self.read_only(cx) {
7347 return;
7348 }
7349
7350 let clipboard_text = Cow::Borrowed(text);
7351
7352 self.transact(window, cx, |this, window, cx| {
7353 if let Some(mut clipboard_selections) = clipboard_selections {
7354 let old_selections = this.selections.all::<usize>(cx);
7355 let all_selections_were_entire_line =
7356 clipboard_selections.iter().all(|s| s.is_entire_line);
7357 let first_selection_indent_column =
7358 clipboard_selections.first().map(|s| s.first_line_indent);
7359 if clipboard_selections.len() != old_selections.len() {
7360 clipboard_selections.drain(..);
7361 }
7362 let cursor_offset = this.selections.last::<usize>(cx).head();
7363 let mut auto_indent_on_paste = true;
7364
7365 this.buffer.update(cx, |buffer, cx| {
7366 let snapshot = buffer.read(cx);
7367 auto_indent_on_paste =
7368 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7369
7370 let mut start_offset = 0;
7371 let mut edits = Vec::new();
7372 let mut original_indent_columns = Vec::new();
7373 for (ix, selection) in old_selections.iter().enumerate() {
7374 let to_insert;
7375 let entire_line;
7376 let original_indent_column;
7377 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7378 let end_offset = start_offset + clipboard_selection.len;
7379 to_insert = &clipboard_text[start_offset..end_offset];
7380 entire_line = clipboard_selection.is_entire_line;
7381 start_offset = end_offset + 1;
7382 original_indent_column = Some(clipboard_selection.first_line_indent);
7383 } else {
7384 to_insert = clipboard_text.as_str();
7385 entire_line = all_selections_were_entire_line;
7386 original_indent_column = first_selection_indent_column
7387 }
7388
7389 // If the corresponding selection was empty when this slice of the
7390 // clipboard text was written, then the entire line containing the
7391 // selection was copied. If this selection is also currently empty,
7392 // then paste the line before the current line of the buffer.
7393 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7394 let column = selection.start.to_point(&snapshot).column as usize;
7395 let line_start = selection.start - column;
7396 line_start..line_start
7397 } else {
7398 selection.range()
7399 };
7400
7401 edits.push((range, to_insert));
7402 original_indent_columns.extend(original_indent_column);
7403 }
7404 drop(snapshot);
7405
7406 buffer.edit(
7407 edits,
7408 if auto_indent_on_paste {
7409 Some(AutoindentMode::Block {
7410 original_indent_columns,
7411 })
7412 } else {
7413 None
7414 },
7415 cx,
7416 );
7417 });
7418
7419 let selections = this.selections.all::<usize>(cx);
7420 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7421 s.select(selections)
7422 });
7423 } else {
7424 this.insert(&clipboard_text, window, cx);
7425 }
7426 });
7427 }
7428
7429 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7430 if let Some(item) = cx.read_from_clipboard() {
7431 let entries = item.entries();
7432
7433 match entries.first() {
7434 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7435 // of all the pasted entries.
7436 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7437 .do_paste(
7438 clipboard_string.text(),
7439 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7440 true,
7441 window,
7442 cx,
7443 ),
7444 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
7445 }
7446 }
7447 }
7448
7449 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
7450 if self.read_only(cx) {
7451 return;
7452 }
7453
7454 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7455 if let Some((selections, _)) =
7456 self.selection_history.transaction(transaction_id).cloned()
7457 {
7458 self.change_selections(None, window, cx, |s| {
7459 s.select_anchors(selections.to_vec());
7460 });
7461 }
7462 self.request_autoscroll(Autoscroll::fit(), cx);
7463 self.unmark_text(window, cx);
7464 self.refresh_inline_completion(true, false, window, cx);
7465 cx.emit(EditorEvent::Edited { transaction_id });
7466 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7467 }
7468 }
7469
7470 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
7471 if self.read_only(cx) {
7472 return;
7473 }
7474
7475 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7476 if let Some((_, Some(selections))) =
7477 self.selection_history.transaction(transaction_id).cloned()
7478 {
7479 self.change_selections(None, window, cx, |s| {
7480 s.select_anchors(selections.to_vec());
7481 });
7482 }
7483 self.request_autoscroll(Autoscroll::fit(), cx);
7484 self.unmark_text(window, cx);
7485 self.refresh_inline_completion(true, false, window, cx);
7486 cx.emit(EditorEvent::Edited { transaction_id });
7487 }
7488 }
7489
7490 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
7491 self.buffer
7492 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7493 }
7494
7495 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
7496 self.buffer
7497 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7498 }
7499
7500 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
7501 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7502 let line_mode = s.line_mode;
7503 s.move_with(|map, selection| {
7504 let cursor = if selection.is_empty() && !line_mode {
7505 movement::left(map, selection.start)
7506 } else {
7507 selection.start
7508 };
7509 selection.collapse_to(cursor, SelectionGoal::None);
7510 });
7511 })
7512 }
7513
7514 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
7515 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7516 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7517 })
7518 }
7519
7520 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
7521 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7522 let line_mode = s.line_mode;
7523 s.move_with(|map, selection| {
7524 let cursor = if selection.is_empty() && !line_mode {
7525 movement::right(map, selection.end)
7526 } else {
7527 selection.end
7528 };
7529 selection.collapse_to(cursor, SelectionGoal::None)
7530 });
7531 })
7532 }
7533
7534 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
7535 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7536 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
7537 })
7538 }
7539
7540 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
7541 if self.take_rename(true, window, cx).is_some() {
7542 return;
7543 }
7544
7545 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7546 cx.propagate();
7547 return;
7548 }
7549
7550 let text_layout_details = &self.text_layout_details(window);
7551 let selection_count = self.selections.count();
7552 let first_selection = self.selections.first_anchor();
7553
7554 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7555 let line_mode = s.line_mode;
7556 s.move_with(|map, selection| {
7557 if !selection.is_empty() && !line_mode {
7558 selection.goal = SelectionGoal::None;
7559 }
7560 let (cursor, goal) = movement::up(
7561 map,
7562 selection.start,
7563 selection.goal,
7564 false,
7565 text_layout_details,
7566 );
7567 selection.collapse_to(cursor, goal);
7568 });
7569 });
7570
7571 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7572 {
7573 cx.propagate();
7574 }
7575 }
7576
7577 pub fn move_up_by_lines(
7578 &mut self,
7579 action: &MoveUpByLines,
7580 window: &mut Window,
7581 cx: &mut Context<Self>,
7582 ) {
7583 if self.take_rename(true, window, cx).is_some() {
7584 return;
7585 }
7586
7587 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7588 cx.propagate();
7589 return;
7590 }
7591
7592 let text_layout_details = &self.text_layout_details(window);
7593
7594 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7595 let line_mode = s.line_mode;
7596 s.move_with(|map, selection| {
7597 if !selection.is_empty() && !line_mode {
7598 selection.goal = SelectionGoal::None;
7599 }
7600 let (cursor, goal) = movement::up_by_rows(
7601 map,
7602 selection.start,
7603 action.lines,
7604 selection.goal,
7605 false,
7606 text_layout_details,
7607 );
7608 selection.collapse_to(cursor, goal);
7609 });
7610 })
7611 }
7612
7613 pub fn move_down_by_lines(
7614 &mut self,
7615 action: &MoveDownByLines,
7616 window: &mut Window,
7617 cx: &mut Context<Self>,
7618 ) {
7619 if self.take_rename(true, window, cx).is_some() {
7620 return;
7621 }
7622
7623 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7624 cx.propagate();
7625 return;
7626 }
7627
7628 let text_layout_details = &self.text_layout_details(window);
7629
7630 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7631 let line_mode = s.line_mode;
7632 s.move_with(|map, selection| {
7633 if !selection.is_empty() && !line_mode {
7634 selection.goal = SelectionGoal::None;
7635 }
7636 let (cursor, goal) = movement::down_by_rows(
7637 map,
7638 selection.start,
7639 action.lines,
7640 selection.goal,
7641 false,
7642 text_layout_details,
7643 );
7644 selection.collapse_to(cursor, goal);
7645 });
7646 })
7647 }
7648
7649 pub fn select_down_by_lines(
7650 &mut self,
7651 action: &SelectDownByLines,
7652 window: &mut Window,
7653 cx: &mut Context<Self>,
7654 ) {
7655 let text_layout_details = &self.text_layout_details(window);
7656 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7657 s.move_heads_with(|map, head, goal| {
7658 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
7659 })
7660 })
7661 }
7662
7663 pub fn select_up_by_lines(
7664 &mut self,
7665 action: &SelectUpByLines,
7666 window: &mut Window,
7667 cx: &mut Context<Self>,
7668 ) {
7669 let text_layout_details = &self.text_layout_details(window);
7670 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7671 s.move_heads_with(|map, head, goal| {
7672 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
7673 })
7674 })
7675 }
7676
7677 pub fn select_page_up(
7678 &mut self,
7679 _: &SelectPageUp,
7680 window: &mut Window,
7681 cx: &mut Context<Self>,
7682 ) {
7683 let Some(row_count) = self.visible_row_count() else {
7684 return;
7685 };
7686
7687 let text_layout_details = &self.text_layout_details(window);
7688
7689 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7690 s.move_heads_with(|map, head, goal| {
7691 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
7692 })
7693 })
7694 }
7695
7696 pub fn move_page_up(
7697 &mut self,
7698 action: &MovePageUp,
7699 window: &mut Window,
7700 cx: &mut Context<Self>,
7701 ) {
7702 if self.take_rename(true, window, cx).is_some() {
7703 return;
7704 }
7705
7706 if self
7707 .context_menu
7708 .borrow_mut()
7709 .as_mut()
7710 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
7711 .unwrap_or(false)
7712 {
7713 return;
7714 }
7715
7716 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7717 cx.propagate();
7718 return;
7719 }
7720
7721 let Some(row_count) = self.visible_row_count() else {
7722 return;
7723 };
7724
7725 let autoscroll = if action.center_cursor {
7726 Autoscroll::center()
7727 } else {
7728 Autoscroll::fit()
7729 };
7730
7731 let text_layout_details = &self.text_layout_details(window);
7732
7733 self.change_selections(Some(autoscroll), window, cx, |s| {
7734 let line_mode = s.line_mode;
7735 s.move_with(|map, selection| {
7736 if !selection.is_empty() && !line_mode {
7737 selection.goal = SelectionGoal::None;
7738 }
7739 let (cursor, goal) = movement::up_by_rows(
7740 map,
7741 selection.end,
7742 row_count,
7743 selection.goal,
7744 false,
7745 text_layout_details,
7746 );
7747 selection.collapse_to(cursor, goal);
7748 });
7749 });
7750 }
7751
7752 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
7753 let text_layout_details = &self.text_layout_details(window);
7754 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7755 s.move_heads_with(|map, head, goal| {
7756 movement::up(map, head, goal, false, text_layout_details)
7757 })
7758 })
7759 }
7760
7761 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
7762 self.take_rename(true, window, cx);
7763
7764 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7765 cx.propagate();
7766 return;
7767 }
7768
7769 let text_layout_details = &self.text_layout_details(window);
7770 let selection_count = self.selections.count();
7771 let first_selection = self.selections.first_anchor();
7772
7773 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7774 let line_mode = s.line_mode;
7775 s.move_with(|map, selection| {
7776 if !selection.is_empty() && !line_mode {
7777 selection.goal = SelectionGoal::None;
7778 }
7779 let (cursor, goal) = movement::down(
7780 map,
7781 selection.end,
7782 selection.goal,
7783 false,
7784 text_layout_details,
7785 );
7786 selection.collapse_to(cursor, goal);
7787 });
7788 });
7789
7790 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7791 {
7792 cx.propagate();
7793 }
7794 }
7795
7796 pub fn select_page_down(
7797 &mut self,
7798 _: &SelectPageDown,
7799 window: &mut Window,
7800 cx: &mut Context<Self>,
7801 ) {
7802 let Some(row_count) = self.visible_row_count() else {
7803 return;
7804 };
7805
7806 let text_layout_details = &self.text_layout_details(window);
7807
7808 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7809 s.move_heads_with(|map, head, goal| {
7810 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
7811 })
7812 })
7813 }
7814
7815 pub fn move_page_down(
7816 &mut self,
7817 action: &MovePageDown,
7818 window: &mut Window,
7819 cx: &mut Context<Self>,
7820 ) {
7821 if self.take_rename(true, window, cx).is_some() {
7822 return;
7823 }
7824
7825 if self
7826 .context_menu
7827 .borrow_mut()
7828 .as_mut()
7829 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
7830 .unwrap_or(false)
7831 {
7832 return;
7833 }
7834
7835 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7836 cx.propagate();
7837 return;
7838 }
7839
7840 let Some(row_count) = self.visible_row_count() else {
7841 return;
7842 };
7843
7844 let autoscroll = if action.center_cursor {
7845 Autoscroll::center()
7846 } else {
7847 Autoscroll::fit()
7848 };
7849
7850 let text_layout_details = &self.text_layout_details(window);
7851 self.change_selections(Some(autoscroll), window, cx, |s| {
7852 let line_mode = s.line_mode;
7853 s.move_with(|map, selection| {
7854 if !selection.is_empty() && !line_mode {
7855 selection.goal = SelectionGoal::None;
7856 }
7857 let (cursor, goal) = movement::down_by_rows(
7858 map,
7859 selection.end,
7860 row_count,
7861 selection.goal,
7862 false,
7863 text_layout_details,
7864 );
7865 selection.collapse_to(cursor, goal);
7866 });
7867 });
7868 }
7869
7870 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
7871 let text_layout_details = &self.text_layout_details(window);
7872 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7873 s.move_heads_with(|map, head, goal| {
7874 movement::down(map, head, goal, false, text_layout_details)
7875 })
7876 });
7877 }
7878
7879 pub fn context_menu_first(
7880 &mut self,
7881 _: &ContextMenuFirst,
7882 _window: &mut Window,
7883 cx: &mut Context<Self>,
7884 ) {
7885 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7886 context_menu.select_first(self.completion_provider.as_deref(), cx);
7887 }
7888 }
7889
7890 pub fn context_menu_prev(
7891 &mut self,
7892 _: &ContextMenuPrev,
7893 _window: &mut Window,
7894 cx: &mut Context<Self>,
7895 ) {
7896 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7897 context_menu.select_prev(self.completion_provider.as_deref(), cx);
7898 }
7899 }
7900
7901 pub fn context_menu_next(
7902 &mut self,
7903 _: &ContextMenuNext,
7904 _window: &mut Window,
7905 cx: &mut Context<Self>,
7906 ) {
7907 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7908 context_menu.select_next(self.completion_provider.as_deref(), cx);
7909 }
7910 }
7911
7912 pub fn context_menu_last(
7913 &mut self,
7914 _: &ContextMenuLast,
7915 _window: &mut Window,
7916 cx: &mut Context<Self>,
7917 ) {
7918 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7919 context_menu.select_last(self.completion_provider.as_deref(), cx);
7920 }
7921 }
7922
7923 pub fn move_to_previous_word_start(
7924 &mut self,
7925 _: &MoveToPreviousWordStart,
7926 window: &mut Window,
7927 cx: &mut Context<Self>,
7928 ) {
7929 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7930 s.move_cursors_with(|map, head, _| {
7931 (
7932 movement::previous_word_start(map, head),
7933 SelectionGoal::None,
7934 )
7935 });
7936 })
7937 }
7938
7939 pub fn move_to_previous_subword_start(
7940 &mut self,
7941 _: &MoveToPreviousSubwordStart,
7942 window: &mut Window,
7943 cx: &mut Context<Self>,
7944 ) {
7945 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7946 s.move_cursors_with(|map, head, _| {
7947 (
7948 movement::previous_subword_start(map, head),
7949 SelectionGoal::None,
7950 )
7951 });
7952 })
7953 }
7954
7955 pub fn select_to_previous_word_start(
7956 &mut self,
7957 _: &SelectToPreviousWordStart,
7958 window: &mut Window,
7959 cx: &mut Context<Self>,
7960 ) {
7961 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7962 s.move_heads_with(|map, head, _| {
7963 (
7964 movement::previous_word_start(map, head),
7965 SelectionGoal::None,
7966 )
7967 });
7968 })
7969 }
7970
7971 pub fn select_to_previous_subword_start(
7972 &mut self,
7973 _: &SelectToPreviousSubwordStart,
7974 window: &mut Window,
7975 cx: &mut Context<Self>,
7976 ) {
7977 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7978 s.move_heads_with(|map, head, _| {
7979 (
7980 movement::previous_subword_start(map, head),
7981 SelectionGoal::None,
7982 )
7983 });
7984 })
7985 }
7986
7987 pub fn delete_to_previous_word_start(
7988 &mut self,
7989 action: &DeleteToPreviousWordStart,
7990 window: &mut Window,
7991 cx: &mut Context<Self>,
7992 ) {
7993 self.transact(window, cx, |this, window, cx| {
7994 this.select_autoclose_pair(window, cx);
7995 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7996 let line_mode = s.line_mode;
7997 s.move_with(|map, selection| {
7998 if selection.is_empty() && !line_mode {
7999 let cursor = if action.ignore_newlines {
8000 movement::previous_word_start(map, selection.head())
8001 } else {
8002 movement::previous_word_start_or_newline(map, selection.head())
8003 };
8004 selection.set_head(cursor, SelectionGoal::None);
8005 }
8006 });
8007 });
8008 this.insert("", window, cx);
8009 });
8010 }
8011
8012 pub fn delete_to_previous_subword_start(
8013 &mut self,
8014 _: &DeleteToPreviousSubwordStart,
8015 window: &mut Window,
8016 cx: &mut Context<Self>,
8017 ) {
8018 self.transact(window, cx, |this, window, cx| {
8019 this.select_autoclose_pair(window, cx);
8020 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8021 let line_mode = s.line_mode;
8022 s.move_with(|map, selection| {
8023 if selection.is_empty() && !line_mode {
8024 let cursor = movement::previous_subword_start(map, selection.head());
8025 selection.set_head(cursor, SelectionGoal::None);
8026 }
8027 });
8028 });
8029 this.insert("", window, cx);
8030 });
8031 }
8032
8033 pub fn move_to_next_word_end(
8034 &mut self,
8035 _: &MoveToNextWordEnd,
8036 window: &mut Window,
8037 cx: &mut Context<Self>,
8038 ) {
8039 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8040 s.move_cursors_with(|map, head, _| {
8041 (movement::next_word_end(map, head), SelectionGoal::None)
8042 });
8043 })
8044 }
8045
8046 pub fn move_to_next_subword_end(
8047 &mut self,
8048 _: &MoveToNextSubwordEnd,
8049 window: &mut Window,
8050 cx: &mut Context<Self>,
8051 ) {
8052 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8053 s.move_cursors_with(|map, head, _| {
8054 (movement::next_subword_end(map, head), SelectionGoal::None)
8055 });
8056 })
8057 }
8058
8059 pub fn select_to_next_word_end(
8060 &mut self,
8061 _: &SelectToNextWordEnd,
8062 window: &mut Window,
8063 cx: &mut Context<Self>,
8064 ) {
8065 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8066 s.move_heads_with(|map, head, _| {
8067 (movement::next_word_end(map, head), SelectionGoal::None)
8068 });
8069 })
8070 }
8071
8072 pub fn select_to_next_subword_end(
8073 &mut self,
8074 _: &SelectToNextSubwordEnd,
8075 window: &mut Window,
8076 cx: &mut Context<Self>,
8077 ) {
8078 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8079 s.move_heads_with(|map, head, _| {
8080 (movement::next_subword_end(map, head), SelectionGoal::None)
8081 });
8082 })
8083 }
8084
8085 pub fn delete_to_next_word_end(
8086 &mut self,
8087 action: &DeleteToNextWordEnd,
8088 window: &mut Window,
8089 cx: &mut Context<Self>,
8090 ) {
8091 self.transact(window, cx, |this, window, cx| {
8092 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8093 let line_mode = s.line_mode;
8094 s.move_with(|map, selection| {
8095 if selection.is_empty() && !line_mode {
8096 let cursor = if action.ignore_newlines {
8097 movement::next_word_end(map, selection.head())
8098 } else {
8099 movement::next_word_end_or_newline(map, selection.head())
8100 };
8101 selection.set_head(cursor, SelectionGoal::None);
8102 }
8103 });
8104 });
8105 this.insert("", window, cx);
8106 });
8107 }
8108
8109 pub fn delete_to_next_subword_end(
8110 &mut self,
8111 _: &DeleteToNextSubwordEnd,
8112 window: &mut Window,
8113 cx: &mut Context<Self>,
8114 ) {
8115 self.transact(window, cx, |this, window, cx| {
8116 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8117 s.move_with(|map, selection| {
8118 if selection.is_empty() {
8119 let cursor = movement::next_subword_end(map, selection.head());
8120 selection.set_head(cursor, SelectionGoal::None);
8121 }
8122 });
8123 });
8124 this.insert("", window, cx);
8125 });
8126 }
8127
8128 pub fn move_to_beginning_of_line(
8129 &mut self,
8130 action: &MoveToBeginningOfLine,
8131 window: &mut Window,
8132 cx: &mut Context<Self>,
8133 ) {
8134 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8135 s.move_cursors_with(|map, head, _| {
8136 (
8137 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8138 SelectionGoal::None,
8139 )
8140 });
8141 })
8142 }
8143
8144 pub fn select_to_beginning_of_line(
8145 &mut self,
8146 action: &SelectToBeginningOfLine,
8147 window: &mut Window,
8148 cx: &mut Context<Self>,
8149 ) {
8150 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8151 s.move_heads_with(|map, head, _| {
8152 (
8153 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8154 SelectionGoal::None,
8155 )
8156 });
8157 });
8158 }
8159
8160 pub fn delete_to_beginning_of_line(
8161 &mut self,
8162 _: &DeleteToBeginningOfLine,
8163 window: &mut Window,
8164 cx: &mut Context<Self>,
8165 ) {
8166 self.transact(window, cx, |this, window, cx| {
8167 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8168 s.move_with(|_, selection| {
8169 selection.reversed = true;
8170 });
8171 });
8172
8173 this.select_to_beginning_of_line(
8174 &SelectToBeginningOfLine {
8175 stop_at_soft_wraps: false,
8176 },
8177 window,
8178 cx,
8179 );
8180 this.backspace(&Backspace, window, cx);
8181 });
8182 }
8183
8184 pub fn move_to_end_of_line(
8185 &mut self,
8186 action: &MoveToEndOfLine,
8187 window: &mut Window,
8188 cx: &mut Context<Self>,
8189 ) {
8190 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8191 s.move_cursors_with(|map, head, _| {
8192 (
8193 movement::line_end(map, head, action.stop_at_soft_wraps),
8194 SelectionGoal::None,
8195 )
8196 });
8197 })
8198 }
8199
8200 pub fn select_to_end_of_line(
8201 &mut self,
8202 action: &SelectToEndOfLine,
8203 window: &mut Window,
8204 cx: &mut Context<Self>,
8205 ) {
8206 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8207 s.move_heads_with(|map, head, _| {
8208 (
8209 movement::line_end(map, head, action.stop_at_soft_wraps),
8210 SelectionGoal::None,
8211 )
8212 });
8213 })
8214 }
8215
8216 pub fn delete_to_end_of_line(
8217 &mut self,
8218 _: &DeleteToEndOfLine,
8219 window: &mut Window,
8220 cx: &mut Context<Self>,
8221 ) {
8222 self.transact(window, cx, |this, window, cx| {
8223 this.select_to_end_of_line(
8224 &SelectToEndOfLine {
8225 stop_at_soft_wraps: false,
8226 },
8227 window,
8228 cx,
8229 );
8230 this.delete(&Delete, window, cx);
8231 });
8232 }
8233
8234 pub fn cut_to_end_of_line(
8235 &mut self,
8236 _: &CutToEndOfLine,
8237 window: &mut Window,
8238 cx: &mut Context<Self>,
8239 ) {
8240 self.transact(window, cx, |this, window, cx| {
8241 this.select_to_end_of_line(
8242 &SelectToEndOfLine {
8243 stop_at_soft_wraps: false,
8244 },
8245 window,
8246 cx,
8247 );
8248 this.cut(&Cut, window, cx);
8249 });
8250 }
8251
8252 pub fn move_to_start_of_paragraph(
8253 &mut self,
8254 _: &MoveToStartOfParagraph,
8255 window: &mut Window,
8256 cx: &mut Context<Self>,
8257 ) {
8258 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8259 cx.propagate();
8260 return;
8261 }
8262
8263 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8264 s.move_with(|map, selection| {
8265 selection.collapse_to(
8266 movement::start_of_paragraph(map, selection.head(), 1),
8267 SelectionGoal::None,
8268 )
8269 });
8270 })
8271 }
8272
8273 pub fn move_to_end_of_paragraph(
8274 &mut self,
8275 _: &MoveToEndOfParagraph,
8276 window: &mut Window,
8277 cx: &mut Context<Self>,
8278 ) {
8279 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8280 cx.propagate();
8281 return;
8282 }
8283
8284 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8285 s.move_with(|map, selection| {
8286 selection.collapse_to(
8287 movement::end_of_paragraph(map, selection.head(), 1),
8288 SelectionGoal::None,
8289 )
8290 });
8291 })
8292 }
8293
8294 pub fn select_to_start_of_paragraph(
8295 &mut self,
8296 _: &SelectToStartOfParagraph,
8297 window: &mut Window,
8298 cx: &mut Context<Self>,
8299 ) {
8300 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8301 cx.propagate();
8302 return;
8303 }
8304
8305 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8306 s.move_heads_with(|map, head, _| {
8307 (
8308 movement::start_of_paragraph(map, head, 1),
8309 SelectionGoal::None,
8310 )
8311 });
8312 })
8313 }
8314
8315 pub fn select_to_end_of_paragraph(
8316 &mut self,
8317 _: &SelectToEndOfParagraph,
8318 window: &mut Window,
8319 cx: &mut Context<Self>,
8320 ) {
8321 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8322 cx.propagate();
8323 return;
8324 }
8325
8326 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8327 s.move_heads_with(|map, head, _| {
8328 (
8329 movement::end_of_paragraph(map, head, 1),
8330 SelectionGoal::None,
8331 )
8332 });
8333 })
8334 }
8335
8336 pub fn move_to_beginning(
8337 &mut self,
8338 _: &MoveToBeginning,
8339 window: &mut Window,
8340 cx: &mut Context<Self>,
8341 ) {
8342 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8343 cx.propagate();
8344 return;
8345 }
8346
8347 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8348 s.select_ranges(vec![0..0]);
8349 });
8350 }
8351
8352 pub fn select_to_beginning(
8353 &mut self,
8354 _: &SelectToBeginning,
8355 window: &mut Window,
8356 cx: &mut Context<Self>,
8357 ) {
8358 let mut selection = self.selections.last::<Point>(cx);
8359 selection.set_head(Point::zero(), SelectionGoal::None);
8360
8361 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8362 s.select(vec![selection]);
8363 });
8364 }
8365
8366 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8367 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8368 cx.propagate();
8369 return;
8370 }
8371
8372 let cursor = self.buffer.read(cx).read(cx).len();
8373 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8374 s.select_ranges(vec![cursor..cursor])
8375 });
8376 }
8377
8378 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8379 self.nav_history = nav_history;
8380 }
8381
8382 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8383 self.nav_history.as_ref()
8384 }
8385
8386 fn push_to_nav_history(
8387 &mut self,
8388 cursor_anchor: Anchor,
8389 new_position: Option<Point>,
8390 cx: &mut Context<Self>,
8391 ) {
8392 if let Some(nav_history) = self.nav_history.as_mut() {
8393 let buffer = self.buffer.read(cx).read(cx);
8394 let cursor_position = cursor_anchor.to_point(&buffer);
8395 let scroll_state = self.scroll_manager.anchor();
8396 let scroll_top_row = scroll_state.top_row(&buffer);
8397 drop(buffer);
8398
8399 if let Some(new_position) = new_position {
8400 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8401 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8402 return;
8403 }
8404 }
8405
8406 nav_history.push(
8407 Some(NavigationData {
8408 cursor_anchor,
8409 cursor_position,
8410 scroll_anchor: scroll_state,
8411 scroll_top_row,
8412 }),
8413 cx,
8414 );
8415 }
8416 }
8417
8418 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8419 let buffer = self.buffer.read(cx).snapshot(cx);
8420 let mut selection = self.selections.first::<usize>(cx);
8421 selection.set_head(buffer.len(), SelectionGoal::None);
8422 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8423 s.select(vec![selection]);
8424 });
8425 }
8426
8427 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8428 let end = self.buffer.read(cx).read(cx).len();
8429 self.change_selections(None, window, cx, |s| {
8430 s.select_ranges(vec![0..end]);
8431 });
8432 }
8433
8434 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8435 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8436 let mut selections = self.selections.all::<Point>(cx);
8437 let max_point = display_map.buffer_snapshot.max_point();
8438 for selection in &mut selections {
8439 let rows = selection.spanned_rows(true, &display_map);
8440 selection.start = Point::new(rows.start.0, 0);
8441 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
8442 selection.reversed = false;
8443 }
8444 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8445 s.select(selections);
8446 });
8447 }
8448
8449 pub fn split_selection_into_lines(
8450 &mut self,
8451 _: &SplitSelectionIntoLines,
8452 window: &mut Window,
8453 cx: &mut Context<Self>,
8454 ) {
8455 let mut to_unfold = Vec::new();
8456 let mut new_selection_ranges = Vec::new();
8457 {
8458 let selections = self.selections.all::<Point>(cx);
8459 let buffer = self.buffer.read(cx).read(cx);
8460 for selection in selections {
8461 for row in selection.start.row..selection.end.row {
8462 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
8463 new_selection_ranges.push(cursor..cursor);
8464 }
8465 new_selection_ranges.push(selection.end..selection.end);
8466 to_unfold.push(selection.start..selection.end);
8467 }
8468 }
8469 self.unfold_ranges(&to_unfold, true, true, cx);
8470 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8471 s.select_ranges(new_selection_ranges);
8472 });
8473 }
8474
8475 pub fn add_selection_above(
8476 &mut self,
8477 _: &AddSelectionAbove,
8478 window: &mut Window,
8479 cx: &mut Context<Self>,
8480 ) {
8481 self.add_selection(true, window, cx);
8482 }
8483
8484 pub fn add_selection_below(
8485 &mut self,
8486 _: &AddSelectionBelow,
8487 window: &mut Window,
8488 cx: &mut Context<Self>,
8489 ) {
8490 self.add_selection(false, window, cx);
8491 }
8492
8493 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
8494 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8495 let mut selections = self.selections.all::<Point>(cx);
8496 let text_layout_details = self.text_layout_details(window);
8497 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
8498 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
8499 let range = oldest_selection.display_range(&display_map).sorted();
8500
8501 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
8502 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
8503 let positions = start_x.min(end_x)..start_x.max(end_x);
8504
8505 selections.clear();
8506 let mut stack = Vec::new();
8507 for row in range.start.row().0..=range.end.row().0 {
8508 if let Some(selection) = self.selections.build_columnar_selection(
8509 &display_map,
8510 DisplayRow(row),
8511 &positions,
8512 oldest_selection.reversed,
8513 &text_layout_details,
8514 ) {
8515 stack.push(selection.id);
8516 selections.push(selection);
8517 }
8518 }
8519
8520 if above {
8521 stack.reverse();
8522 }
8523
8524 AddSelectionsState { above, stack }
8525 });
8526
8527 let last_added_selection = *state.stack.last().unwrap();
8528 let mut new_selections = Vec::new();
8529 if above == state.above {
8530 let end_row = if above {
8531 DisplayRow(0)
8532 } else {
8533 display_map.max_point().row()
8534 };
8535
8536 'outer: for selection in selections {
8537 if selection.id == last_added_selection {
8538 let range = selection.display_range(&display_map).sorted();
8539 debug_assert_eq!(range.start.row(), range.end.row());
8540 let mut row = range.start.row();
8541 let positions =
8542 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
8543 px(start)..px(end)
8544 } else {
8545 let start_x =
8546 display_map.x_for_display_point(range.start, &text_layout_details);
8547 let end_x =
8548 display_map.x_for_display_point(range.end, &text_layout_details);
8549 start_x.min(end_x)..start_x.max(end_x)
8550 };
8551
8552 while row != end_row {
8553 if above {
8554 row.0 -= 1;
8555 } else {
8556 row.0 += 1;
8557 }
8558
8559 if let Some(new_selection) = self.selections.build_columnar_selection(
8560 &display_map,
8561 row,
8562 &positions,
8563 selection.reversed,
8564 &text_layout_details,
8565 ) {
8566 state.stack.push(new_selection.id);
8567 if above {
8568 new_selections.push(new_selection);
8569 new_selections.push(selection);
8570 } else {
8571 new_selections.push(selection);
8572 new_selections.push(new_selection);
8573 }
8574
8575 continue 'outer;
8576 }
8577 }
8578 }
8579
8580 new_selections.push(selection);
8581 }
8582 } else {
8583 new_selections = selections;
8584 new_selections.retain(|s| s.id != last_added_selection);
8585 state.stack.pop();
8586 }
8587
8588 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8589 s.select(new_selections);
8590 });
8591 if state.stack.len() > 1 {
8592 self.add_selections_state = Some(state);
8593 }
8594 }
8595
8596 pub fn select_next_match_internal(
8597 &mut self,
8598 display_map: &DisplaySnapshot,
8599 replace_newest: bool,
8600 autoscroll: Option<Autoscroll>,
8601 window: &mut Window,
8602 cx: &mut Context<Self>,
8603 ) -> Result<()> {
8604 fn select_next_match_ranges(
8605 this: &mut Editor,
8606 range: Range<usize>,
8607 replace_newest: bool,
8608 auto_scroll: Option<Autoscroll>,
8609 window: &mut Window,
8610 cx: &mut Context<Editor>,
8611 ) {
8612 this.unfold_ranges(&[range.clone()], false, true, cx);
8613 this.change_selections(auto_scroll, window, cx, |s| {
8614 if replace_newest {
8615 s.delete(s.newest_anchor().id);
8616 }
8617 s.insert_range(range.clone());
8618 });
8619 }
8620
8621 let buffer = &display_map.buffer_snapshot;
8622 let mut selections = self.selections.all::<usize>(cx);
8623 if let Some(mut select_next_state) = self.select_next_state.take() {
8624 let query = &select_next_state.query;
8625 if !select_next_state.done {
8626 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8627 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8628 let mut next_selected_range = None;
8629
8630 let bytes_after_last_selection =
8631 buffer.bytes_in_range(last_selection.end..buffer.len());
8632 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
8633 let query_matches = query
8634 .stream_find_iter(bytes_after_last_selection)
8635 .map(|result| (last_selection.end, result))
8636 .chain(
8637 query
8638 .stream_find_iter(bytes_before_first_selection)
8639 .map(|result| (0, result)),
8640 );
8641
8642 for (start_offset, query_match) in query_matches {
8643 let query_match = query_match.unwrap(); // can only fail due to I/O
8644 let offset_range =
8645 start_offset + query_match.start()..start_offset + query_match.end();
8646 let display_range = offset_range.start.to_display_point(display_map)
8647 ..offset_range.end.to_display_point(display_map);
8648
8649 if !select_next_state.wordwise
8650 || (!movement::is_inside_word(display_map, display_range.start)
8651 && !movement::is_inside_word(display_map, display_range.end))
8652 {
8653 // TODO: This is n^2, because we might check all the selections
8654 if !selections
8655 .iter()
8656 .any(|selection| selection.range().overlaps(&offset_range))
8657 {
8658 next_selected_range = Some(offset_range);
8659 break;
8660 }
8661 }
8662 }
8663
8664 if let Some(next_selected_range) = next_selected_range {
8665 select_next_match_ranges(
8666 self,
8667 next_selected_range,
8668 replace_newest,
8669 autoscroll,
8670 window,
8671 cx,
8672 );
8673 } else {
8674 select_next_state.done = true;
8675 }
8676 }
8677
8678 self.select_next_state = Some(select_next_state);
8679 } else {
8680 let mut only_carets = true;
8681 let mut same_text_selected = true;
8682 let mut selected_text = None;
8683
8684 let mut selections_iter = selections.iter().peekable();
8685 while let Some(selection) = selections_iter.next() {
8686 if selection.start != selection.end {
8687 only_carets = false;
8688 }
8689
8690 if same_text_selected {
8691 if selected_text.is_none() {
8692 selected_text =
8693 Some(buffer.text_for_range(selection.range()).collect::<String>());
8694 }
8695
8696 if let Some(next_selection) = selections_iter.peek() {
8697 if next_selection.range().len() == selection.range().len() {
8698 let next_selected_text = buffer
8699 .text_for_range(next_selection.range())
8700 .collect::<String>();
8701 if Some(next_selected_text) != selected_text {
8702 same_text_selected = false;
8703 selected_text = None;
8704 }
8705 } else {
8706 same_text_selected = false;
8707 selected_text = None;
8708 }
8709 }
8710 }
8711 }
8712
8713 if only_carets {
8714 for selection in &mut selections {
8715 let word_range = movement::surrounding_word(
8716 display_map,
8717 selection.start.to_display_point(display_map),
8718 );
8719 selection.start = word_range.start.to_offset(display_map, Bias::Left);
8720 selection.end = word_range.end.to_offset(display_map, Bias::Left);
8721 selection.goal = SelectionGoal::None;
8722 selection.reversed = false;
8723 select_next_match_ranges(
8724 self,
8725 selection.start..selection.end,
8726 replace_newest,
8727 autoscroll,
8728 window,
8729 cx,
8730 );
8731 }
8732
8733 if selections.len() == 1 {
8734 let selection = selections
8735 .last()
8736 .expect("ensured that there's only one selection");
8737 let query = buffer
8738 .text_for_range(selection.start..selection.end)
8739 .collect::<String>();
8740 let is_empty = query.is_empty();
8741 let select_state = SelectNextState {
8742 query: AhoCorasick::new(&[query])?,
8743 wordwise: true,
8744 done: is_empty,
8745 };
8746 self.select_next_state = Some(select_state);
8747 } else {
8748 self.select_next_state = None;
8749 }
8750 } else if let Some(selected_text) = selected_text {
8751 self.select_next_state = Some(SelectNextState {
8752 query: AhoCorasick::new(&[selected_text])?,
8753 wordwise: false,
8754 done: false,
8755 });
8756 self.select_next_match_internal(
8757 display_map,
8758 replace_newest,
8759 autoscroll,
8760 window,
8761 cx,
8762 )?;
8763 }
8764 }
8765 Ok(())
8766 }
8767
8768 pub fn select_all_matches(
8769 &mut self,
8770 _action: &SelectAllMatches,
8771 window: &mut Window,
8772 cx: &mut Context<Self>,
8773 ) -> Result<()> {
8774 self.push_to_selection_history();
8775 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8776
8777 self.select_next_match_internal(&display_map, false, None, window, cx)?;
8778 let Some(select_next_state) = self.select_next_state.as_mut() else {
8779 return Ok(());
8780 };
8781 if select_next_state.done {
8782 return Ok(());
8783 }
8784
8785 let mut new_selections = self.selections.all::<usize>(cx);
8786
8787 let buffer = &display_map.buffer_snapshot;
8788 let query_matches = select_next_state
8789 .query
8790 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
8791
8792 for query_match in query_matches {
8793 let query_match = query_match.unwrap(); // can only fail due to I/O
8794 let offset_range = query_match.start()..query_match.end();
8795 let display_range = offset_range.start.to_display_point(&display_map)
8796 ..offset_range.end.to_display_point(&display_map);
8797
8798 if !select_next_state.wordwise
8799 || (!movement::is_inside_word(&display_map, display_range.start)
8800 && !movement::is_inside_word(&display_map, display_range.end))
8801 {
8802 self.selections.change_with(cx, |selections| {
8803 new_selections.push(Selection {
8804 id: selections.new_selection_id(),
8805 start: offset_range.start,
8806 end: offset_range.end,
8807 reversed: false,
8808 goal: SelectionGoal::None,
8809 });
8810 });
8811 }
8812 }
8813
8814 new_selections.sort_by_key(|selection| selection.start);
8815 let mut ix = 0;
8816 while ix + 1 < new_selections.len() {
8817 let current_selection = &new_selections[ix];
8818 let next_selection = &new_selections[ix + 1];
8819 if current_selection.range().overlaps(&next_selection.range()) {
8820 if current_selection.id < next_selection.id {
8821 new_selections.remove(ix + 1);
8822 } else {
8823 new_selections.remove(ix);
8824 }
8825 } else {
8826 ix += 1;
8827 }
8828 }
8829
8830 select_next_state.done = true;
8831 self.unfold_ranges(
8832 &new_selections
8833 .iter()
8834 .map(|selection| selection.range())
8835 .collect::<Vec<_>>(),
8836 false,
8837 false,
8838 cx,
8839 );
8840 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
8841 selections.select(new_selections)
8842 });
8843
8844 Ok(())
8845 }
8846
8847 pub fn select_next(
8848 &mut self,
8849 action: &SelectNext,
8850 window: &mut Window,
8851 cx: &mut Context<Self>,
8852 ) -> Result<()> {
8853 self.push_to_selection_history();
8854 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8855 self.select_next_match_internal(
8856 &display_map,
8857 action.replace_newest,
8858 Some(Autoscroll::newest()),
8859 window,
8860 cx,
8861 )?;
8862 Ok(())
8863 }
8864
8865 pub fn select_previous(
8866 &mut self,
8867 action: &SelectPrevious,
8868 window: &mut Window,
8869 cx: &mut Context<Self>,
8870 ) -> Result<()> {
8871 self.push_to_selection_history();
8872 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8873 let buffer = &display_map.buffer_snapshot;
8874 let mut selections = self.selections.all::<usize>(cx);
8875 if let Some(mut select_prev_state) = self.select_prev_state.take() {
8876 let query = &select_prev_state.query;
8877 if !select_prev_state.done {
8878 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8879 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8880 let mut next_selected_range = None;
8881 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
8882 let bytes_before_last_selection =
8883 buffer.reversed_bytes_in_range(0..last_selection.start);
8884 let bytes_after_first_selection =
8885 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
8886 let query_matches = query
8887 .stream_find_iter(bytes_before_last_selection)
8888 .map(|result| (last_selection.start, result))
8889 .chain(
8890 query
8891 .stream_find_iter(bytes_after_first_selection)
8892 .map(|result| (buffer.len(), result)),
8893 );
8894 for (end_offset, query_match) in query_matches {
8895 let query_match = query_match.unwrap(); // can only fail due to I/O
8896 let offset_range =
8897 end_offset - query_match.end()..end_offset - query_match.start();
8898 let display_range = offset_range.start.to_display_point(&display_map)
8899 ..offset_range.end.to_display_point(&display_map);
8900
8901 if !select_prev_state.wordwise
8902 || (!movement::is_inside_word(&display_map, display_range.start)
8903 && !movement::is_inside_word(&display_map, display_range.end))
8904 {
8905 next_selected_range = Some(offset_range);
8906 break;
8907 }
8908 }
8909
8910 if let Some(next_selected_range) = next_selected_range {
8911 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
8912 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8913 if action.replace_newest {
8914 s.delete(s.newest_anchor().id);
8915 }
8916 s.insert_range(next_selected_range);
8917 });
8918 } else {
8919 select_prev_state.done = true;
8920 }
8921 }
8922
8923 self.select_prev_state = Some(select_prev_state);
8924 } else {
8925 let mut only_carets = true;
8926 let mut same_text_selected = true;
8927 let mut selected_text = None;
8928
8929 let mut selections_iter = selections.iter().peekable();
8930 while let Some(selection) = selections_iter.next() {
8931 if selection.start != selection.end {
8932 only_carets = false;
8933 }
8934
8935 if same_text_selected {
8936 if selected_text.is_none() {
8937 selected_text =
8938 Some(buffer.text_for_range(selection.range()).collect::<String>());
8939 }
8940
8941 if let Some(next_selection) = selections_iter.peek() {
8942 if next_selection.range().len() == selection.range().len() {
8943 let next_selected_text = buffer
8944 .text_for_range(next_selection.range())
8945 .collect::<String>();
8946 if Some(next_selected_text) != selected_text {
8947 same_text_selected = false;
8948 selected_text = None;
8949 }
8950 } else {
8951 same_text_selected = false;
8952 selected_text = None;
8953 }
8954 }
8955 }
8956 }
8957
8958 if only_carets {
8959 for selection in &mut selections {
8960 let word_range = movement::surrounding_word(
8961 &display_map,
8962 selection.start.to_display_point(&display_map),
8963 );
8964 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
8965 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
8966 selection.goal = SelectionGoal::None;
8967 selection.reversed = false;
8968 }
8969 if selections.len() == 1 {
8970 let selection = selections
8971 .last()
8972 .expect("ensured that there's only one selection");
8973 let query = buffer
8974 .text_for_range(selection.start..selection.end)
8975 .collect::<String>();
8976 let is_empty = query.is_empty();
8977 let select_state = SelectNextState {
8978 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
8979 wordwise: true,
8980 done: is_empty,
8981 };
8982 self.select_prev_state = Some(select_state);
8983 } else {
8984 self.select_prev_state = None;
8985 }
8986
8987 self.unfold_ranges(
8988 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
8989 false,
8990 true,
8991 cx,
8992 );
8993 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8994 s.select(selections);
8995 });
8996 } else if let Some(selected_text) = selected_text {
8997 self.select_prev_state = Some(SelectNextState {
8998 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
8999 wordwise: false,
9000 done: false,
9001 });
9002 self.select_previous(action, window, cx)?;
9003 }
9004 }
9005 Ok(())
9006 }
9007
9008 pub fn toggle_comments(
9009 &mut self,
9010 action: &ToggleComments,
9011 window: &mut Window,
9012 cx: &mut Context<Self>,
9013 ) {
9014 if self.read_only(cx) {
9015 return;
9016 }
9017 let text_layout_details = &self.text_layout_details(window);
9018 self.transact(window, cx, |this, window, cx| {
9019 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9020 let mut edits = Vec::new();
9021 let mut selection_edit_ranges = Vec::new();
9022 let mut last_toggled_row = None;
9023 let snapshot = this.buffer.read(cx).read(cx);
9024 let empty_str: Arc<str> = Arc::default();
9025 let mut suffixes_inserted = Vec::new();
9026 let ignore_indent = action.ignore_indent;
9027
9028 fn comment_prefix_range(
9029 snapshot: &MultiBufferSnapshot,
9030 row: MultiBufferRow,
9031 comment_prefix: &str,
9032 comment_prefix_whitespace: &str,
9033 ignore_indent: bool,
9034 ) -> Range<Point> {
9035 let indent_size = if ignore_indent {
9036 0
9037 } else {
9038 snapshot.indent_size_for_line(row).len
9039 };
9040
9041 let start = Point::new(row.0, indent_size);
9042
9043 let mut line_bytes = snapshot
9044 .bytes_in_range(start..snapshot.max_point())
9045 .flatten()
9046 .copied();
9047
9048 // If this line currently begins with the line comment prefix, then record
9049 // the range containing the prefix.
9050 if line_bytes
9051 .by_ref()
9052 .take(comment_prefix.len())
9053 .eq(comment_prefix.bytes())
9054 {
9055 // Include any whitespace that matches the comment prefix.
9056 let matching_whitespace_len = line_bytes
9057 .zip(comment_prefix_whitespace.bytes())
9058 .take_while(|(a, b)| a == b)
9059 .count() as u32;
9060 let end = Point::new(
9061 start.row,
9062 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9063 );
9064 start..end
9065 } else {
9066 start..start
9067 }
9068 }
9069
9070 fn comment_suffix_range(
9071 snapshot: &MultiBufferSnapshot,
9072 row: MultiBufferRow,
9073 comment_suffix: &str,
9074 comment_suffix_has_leading_space: bool,
9075 ) -> Range<Point> {
9076 let end = Point::new(row.0, snapshot.line_len(row));
9077 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9078
9079 let mut line_end_bytes = snapshot
9080 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9081 .flatten()
9082 .copied();
9083
9084 let leading_space_len = if suffix_start_column > 0
9085 && line_end_bytes.next() == Some(b' ')
9086 && comment_suffix_has_leading_space
9087 {
9088 1
9089 } else {
9090 0
9091 };
9092
9093 // If this line currently begins with the line comment prefix, then record
9094 // the range containing the prefix.
9095 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9096 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9097 start..end
9098 } else {
9099 end..end
9100 }
9101 }
9102
9103 // TODO: Handle selections that cross excerpts
9104 for selection in &mut selections {
9105 let start_column = snapshot
9106 .indent_size_for_line(MultiBufferRow(selection.start.row))
9107 .len;
9108 let language = if let Some(language) =
9109 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9110 {
9111 language
9112 } else {
9113 continue;
9114 };
9115
9116 selection_edit_ranges.clear();
9117
9118 // If multiple selections contain a given row, avoid processing that
9119 // row more than once.
9120 let mut start_row = MultiBufferRow(selection.start.row);
9121 if last_toggled_row == Some(start_row) {
9122 start_row = start_row.next_row();
9123 }
9124 let end_row =
9125 if selection.end.row > selection.start.row && selection.end.column == 0 {
9126 MultiBufferRow(selection.end.row - 1)
9127 } else {
9128 MultiBufferRow(selection.end.row)
9129 };
9130 last_toggled_row = Some(end_row);
9131
9132 if start_row > end_row {
9133 continue;
9134 }
9135
9136 // If the language has line comments, toggle those.
9137 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9138
9139 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9140 if ignore_indent {
9141 full_comment_prefixes = full_comment_prefixes
9142 .into_iter()
9143 .map(|s| Arc::from(s.trim_end()))
9144 .collect();
9145 }
9146
9147 if !full_comment_prefixes.is_empty() {
9148 let first_prefix = full_comment_prefixes
9149 .first()
9150 .expect("prefixes is non-empty");
9151 let prefix_trimmed_lengths = full_comment_prefixes
9152 .iter()
9153 .map(|p| p.trim_end_matches(' ').len())
9154 .collect::<SmallVec<[usize; 4]>>();
9155
9156 let mut all_selection_lines_are_comments = true;
9157
9158 for row in start_row.0..=end_row.0 {
9159 let row = MultiBufferRow(row);
9160 if start_row < end_row && snapshot.is_line_blank(row) {
9161 continue;
9162 }
9163
9164 let prefix_range = full_comment_prefixes
9165 .iter()
9166 .zip(prefix_trimmed_lengths.iter().copied())
9167 .map(|(prefix, trimmed_prefix_len)| {
9168 comment_prefix_range(
9169 snapshot.deref(),
9170 row,
9171 &prefix[..trimmed_prefix_len],
9172 &prefix[trimmed_prefix_len..],
9173 ignore_indent,
9174 )
9175 })
9176 .max_by_key(|range| range.end.column - range.start.column)
9177 .expect("prefixes is non-empty");
9178
9179 if prefix_range.is_empty() {
9180 all_selection_lines_are_comments = false;
9181 }
9182
9183 selection_edit_ranges.push(prefix_range);
9184 }
9185
9186 if all_selection_lines_are_comments {
9187 edits.extend(
9188 selection_edit_ranges
9189 .iter()
9190 .cloned()
9191 .map(|range| (range, empty_str.clone())),
9192 );
9193 } else {
9194 let min_column = selection_edit_ranges
9195 .iter()
9196 .map(|range| range.start.column)
9197 .min()
9198 .unwrap_or(0);
9199 edits.extend(selection_edit_ranges.iter().map(|range| {
9200 let position = Point::new(range.start.row, min_column);
9201 (position..position, first_prefix.clone())
9202 }));
9203 }
9204 } else if let Some((full_comment_prefix, comment_suffix)) =
9205 language.block_comment_delimiters()
9206 {
9207 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9208 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9209 let prefix_range = comment_prefix_range(
9210 snapshot.deref(),
9211 start_row,
9212 comment_prefix,
9213 comment_prefix_whitespace,
9214 ignore_indent,
9215 );
9216 let suffix_range = comment_suffix_range(
9217 snapshot.deref(),
9218 end_row,
9219 comment_suffix.trim_start_matches(' '),
9220 comment_suffix.starts_with(' '),
9221 );
9222
9223 if prefix_range.is_empty() || suffix_range.is_empty() {
9224 edits.push((
9225 prefix_range.start..prefix_range.start,
9226 full_comment_prefix.clone(),
9227 ));
9228 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9229 suffixes_inserted.push((end_row, comment_suffix.len()));
9230 } else {
9231 edits.push((prefix_range, empty_str.clone()));
9232 edits.push((suffix_range, empty_str.clone()));
9233 }
9234 } else {
9235 continue;
9236 }
9237 }
9238
9239 drop(snapshot);
9240 this.buffer.update(cx, |buffer, cx| {
9241 buffer.edit(edits, None, cx);
9242 });
9243
9244 // Adjust selections so that they end before any comment suffixes that
9245 // were inserted.
9246 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9247 let mut selections = this.selections.all::<Point>(cx);
9248 let snapshot = this.buffer.read(cx).read(cx);
9249 for selection in &mut selections {
9250 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9251 match row.cmp(&MultiBufferRow(selection.end.row)) {
9252 Ordering::Less => {
9253 suffixes_inserted.next();
9254 continue;
9255 }
9256 Ordering::Greater => break,
9257 Ordering::Equal => {
9258 if selection.end.column == snapshot.line_len(row) {
9259 if selection.is_empty() {
9260 selection.start.column -= suffix_len as u32;
9261 }
9262 selection.end.column -= suffix_len as u32;
9263 }
9264 break;
9265 }
9266 }
9267 }
9268 }
9269
9270 drop(snapshot);
9271 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9272 s.select(selections)
9273 });
9274
9275 let selections = this.selections.all::<Point>(cx);
9276 let selections_on_single_row = selections.windows(2).all(|selections| {
9277 selections[0].start.row == selections[1].start.row
9278 && selections[0].end.row == selections[1].end.row
9279 && selections[0].start.row == selections[0].end.row
9280 });
9281 let selections_selecting = selections
9282 .iter()
9283 .any(|selection| selection.start != selection.end);
9284 let advance_downwards = action.advance_downwards
9285 && selections_on_single_row
9286 && !selections_selecting
9287 && !matches!(this.mode, EditorMode::SingleLine { .. });
9288
9289 if advance_downwards {
9290 let snapshot = this.buffer.read(cx).snapshot(cx);
9291
9292 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9293 s.move_cursors_with(|display_snapshot, display_point, _| {
9294 let mut point = display_point.to_point(display_snapshot);
9295 point.row += 1;
9296 point = snapshot.clip_point(point, Bias::Left);
9297 let display_point = point.to_display_point(display_snapshot);
9298 let goal = SelectionGoal::HorizontalPosition(
9299 display_snapshot
9300 .x_for_display_point(display_point, text_layout_details)
9301 .into(),
9302 );
9303 (display_point, goal)
9304 })
9305 });
9306 }
9307 });
9308 }
9309
9310 pub fn select_enclosing_symbol(
9311 &mut self,
9312 _: &SelectEnclosingSymbol,
9313 window: &mut Window,
9314 cx: &mut Context<Self>,
9315 ) {
9316 let buffer = self.buffer.read(cx).snapshot(cx);
9317 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9318
9319 fn update_selection(
9320 selection: &Selection<usize>,
9321 buffer_snap: &MultiBufferSnapshot,
9322 ) -> Option<Selection<usize>> {
9323 let cursor = selection.head();
9324 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9325 for symbol in symbols.iter().rev() {
9326 let start = symbol.range.start.to_offset(buffer_snap);
9327 let end = symbol.range.end.to_offset(buffer_snap);
9328 let new_range = start..end;
9329 if start < selection.start || end > selection.end {
9330 return Some(Selection {
9331 id: selection.id,
9332 start: new_range.start,
9333 end: new_range.end,
9334 goal: SelectionGoal::None,
9335 reversed: selection.reversed,
9336 });
9337 }
9338 }
9339 None
9340 }
9341
9342 let mut selected_larger_symbol = false;
9343 let new_selections = old_selections
9344 .iter()
9345 .map(|selection| match update_selection(selection, &buffer) {
9346 Some(new_selection) => {
9347 if new_selection.range() != selection.range() {
9348 selected_larger_symbol = true;
9349 }
9350 new_selection
9351 }
9352 None => selection.clone(),
9353 })
9354 .collect::<Vec<_>>();
9355
9356 if selected_larger_symbol {
9357 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9358 s.select(new_selections);
9359 });
9360 }
9361 }
9362
9363 pub fn select_larger_syntax_node(
9364 &mut self,
9365 _: &SelectLargerSyntaxNode,
9366 window: &mut Window,
9367 cx: &mut Context<Self>,
9368 ) {
9369 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9370 let buffer = self.buffer.read(cx).snapshot(cx);
9371 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9372
9373 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9374 let mut selected_larger_node = false;
9375 let new_selections = old_selections
9376 .iter()
9377 .map(|selection| {
9378 let old_range = selection.start..selection.end;
9379 let mut new_range = old_range.clone();
9380 let mut new_node = None;
9381 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9382 {
9383 new_node = Some(node);
9384 new_range = containing_range;
9385 if !display_map.intersects_fold(new_range.start)
9386 && !display_map.intersects_fold(new_range.end)
9387 {
9388 break;
9389 }
9390 }
9391
9392 if let Some(node) = new_node {
9393 // Log the ancestor, to support using this action as a way to explore TreeSitter
9394 // nodes. Parent and grandparent are also logged because this operation will not
9395 // visit nodes that have the same range as their parent.
9396 log::info!("Node: {node:?}");
9397 let parent = node.parent();
9398 log::info!("Parent: {parent:?}");
9399 let grandparent = parent.and_then(|x| x.parent());
9400 log::info!("Grandparent: {grandparent:?}");
9401 }
9402
9403 selected_larger_node |= new_range != old_range;
9404 Selection {
9405 id: selection.id,
9406 start: new_range.start,
9407 end: new_range.end,
9408 goal: SelectionGoal::None,
9409 reversed: selection.reversed,
9410 }
9411 })
9412 .collect::<Vec<_>>();
9413
9414 if selected_larger_node {
9415 stack.push(old_selections);
9416 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9417 s.select(new_selections);
9418 });
9419 }
9420 self.select_larger_syntax_node_stack = stack;
9421 }
9422
9423 pub fn select_smaller_syntax_node(
9424 &mut self,
9425 _: &SelectSmallerSyntaxNode,
9426 window: &mut Window,
9427 cx: &mut Context<Self>,
9428 ) {
9429 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9430 if let Some(selections) = stack.pop() {
9431 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9432 s.select(selections.to_vec());
9433 });
9434 }
9435 self.select_larger_syntax_node_stack = stack;
9436 }
9437
9438 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
9439 if !EditorSettings::get_global(cx).gutter.runnables {
9440 self.clear_tasks();
9441 return Task::ready(());
9442 }
9443 let project = self.project.as_ref().map(Entity::downgrade);
9444 cx.spawn_in(window, |this, mut cx| async move {
9445 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
9446 let Some(project) = project.and_then(|p| p.upgrade()) else {
9447 return;
9448 };
9449 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
9450 this.display_map.update(cx, |map, cx| map.snapshot(cx))
9451 }) else {
9452 return;
9453 };
9454
9455 let hide_runnables = project
9456 .update(&mut cx, |project, cx| {
9457 // Do not display any test indicators in non-dev server remote projects.
9458 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
9459 })
9460 .unwrap_or(true);
9461 if hide_runnables {
9462 return;
9463 }
9464 let new_rows =
9465 cx.background_executor()
9466 .spawn({
9467 let snapshot = display_snapshot.clone();
9468 async move {
9469 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
9470 }
9471 })
9472 .await;
9473
9474 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
9475 this.update(&mut cx, |this, _| {
9476 this.clear_tasks();
9477 for (key, value) in rows {
9478 this.insert_tasks(key, value);
9479 }
9480 })
9481 .ok();
9482 })
9483 }
9484 fn fetch_runnable_ranges(
9485 snapshot: &DisplaySnapshot,
9486 range: Range<Anchor>,
9487 ) -> Vec<language::RunnableRange> {
9488 snapshot.buffer_snapshot.runnable_ranges(range).collect()
9489 }
9490
9491 fn runnable_rows(
9492 project: Entity<Project>,
9493 snapshot: DisplaySnapshot,
9494 runnable_ranges: Vec<RunnableRange>,
9495 mut cx: AsyncWindowContext,
9496 ) -> Vec<((BufferId, u32), RunnableTasks)> {
9497 runnable_ranges
9498 .into_iter()
9499 .filter_map(|mut runnable| {
9500 let tasks = cx
9501 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
9502 .ok()?;
9503 if tasks.is_empty() {
9504 return None;
9505 }
9506
9507 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
9508
9509 let row = snapshot
9510 .buffer_snapshot
9511 .buffer_line_for_row(MultiBufferRow(point.row))?
9512 .1
9513 .start
9514 .row;
9515
9516 let context_range =
9517 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
9518 Some((
9519 (runnable.buffer_id, row),
9520 RunnableTasks {
9521 templates: tasks,
9522 offset: MultiBufferOffset(runnable.run_range.start),
9523 context_range,
9524 column: point.column,
9525 extra_variables: runnable.extra_captures,
9526 },
9527 ))
9528 })
9529 .collect()
9530 }
9531
9532 fn templates_with_tags(
9533 project: &Entity<Project>,
9534 runnable: &mut Runnable,
9535 cx: &mut App,
9536 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
9537 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
9538 let (worktree_id, file) = project
9539 .buffer_for_id(runnable.buffer, cx)
9540 .and_then(|buffer| buffer.read(cx).file())
9541 .map(|file| (file.worktree_id(cx), file.clone()))
9542 .unzip();
9543
9544 (
9545 project.task_store().read(cx).task_inventory().cloned(),
9546 worktree_id,
9547 file,
9548 )
9549 });
9550
9551 let tags = mem::take(&mut runnable.tags);
9552 let mut tags: Vec<_> = tags
9553 .into_iter()
9554 .flat_map(|tag| {
9555 let tag = tag.0.clone();
9556 inventory
9557 .as_ref()
9558 .into_iter()
9559 .flat_map(|inventory| {
9560 inventory.read(cx).list_tasks(
9561 file.clone(),
9562 Some(runnable.language.clone()),
9563 worktree_id,
9564 cx,
9565 )
9566 })
9567 .filter(move |(_, template)| {
9568 template.tags.iter().any(|source_tag| source_tag == &tag)
9569 })
9570 })
9571 .sorted_by_key(|(kind, _)| kind.to_owned())
9572 .collect();
9573 if let Some((leading_tag_source, _)) = tags.first() {
9574 // Strongest source wins; if we have worktree tag binding, prefer that to
9575 // global and language bindings;
9576 // if we have a global binding, prefer that to language binding.
9577 let first_mismatch = tags
9578 .iter()
9579 .position(|(tag_source, _)| tag_source != leading_tag_source);
9580 if let Some(index) = first_mismatch {
9581 tags.truncate(index);
9582 }
9583 }
9584
9585 tags
9586 }
9587
9588 pub fn move_to_enclosing_bracket(
9589 &mut self,
9590 _: &MoveToEnclosingBracket,
9591 window: &mut Window,
9592 cx: &mut Context<Self>,
9593 ) {
9594 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9595 s.move_offsets_with(|snapshot, selection| {
9596 let Some(enclosing_bracket_ranges) =
9597 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
9598 else {
9599 return;
9600 };
9601
9602 let mut best_length = usize::MAX;
9603 let mut best_inside = false;
9604 let mut best_in_bracket_range = false;
9605 let mut best_destination = None;
9606 for (open, close) in enclosing_bracket_ranges {
9607 let close = close.to_inclusive();
9608 let length = close.end() - open.start;
9609 let inside = selection.start >= open.end && selection.end <= *close.start();
9610 let in_bracket_range = open.to_inclusive().contains(&selection.head())
9611 || close.contains(&selection.head());
9612
9613 // If best is next to a bracket and current isn't, skip
9614 if !in_bracket_range && best_in_bracket_range {
9615 continue;
9616 }
9617
9618 // Prefer smaller lengths unless best is inside and current isn't
9619 if length > best_length && (best_inside || !inside) {
9620 continue;
9621 }
9622
9623 best_length = length;
9624 best_inside = inside;
9625 best_in_bracket_range = in_bracket_range;
9626 best_destination = Some(
9627 if close.contains(&selection.start) && close.contains(&selection.end) {
9628 if inside {
9629 open.end
9630 } else {
9631 open.start
9632 }
9633 } else if inside {
9634 *close.start()
9635 } else {
9636 *close.end()
9637 },
9638 );
9639 }
9640
9641 if let Some(destination) = best_destination {
9642 selection.collapse_to(destination, SelectionGoal::None);
9643 }
9644 })
9645 });
9646 }
9647
9648 pub fn undo_selection(
9649 &mut self,
9650 _: &UndoSelection,
9651 window: &mut Window,
9652 cx: &mut Context<Self>,
9653 ) {
9654 self.end_selection(window, cx);
9655 self.selection_history.mode = SelectionHistoryMode::Undoing;
9656 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
9657 self.change_selections(None, window, cx, |s| {
9658 s.select_anchors(entry.selections.to_vec())
9659 });
9660 self.select_next_state = entry.select_next_state;
9661 self.select_prev_state = entry.select_prev_state;
9662 self.add_selections_state = entry.add_selections_state;
9663 self.request_autoscroll(Autoscroll::newest(), cx);
9664 }
9665 self.selection_history.mode = SelectionHistoryMode::Normal;
9666 }
9667
9668 pub fn redo_selection(
9669 &mut self,
9670 _: &RedoSelection,
9671 window: &mut Window,
9672 cx: &mut Context<Self>,
9673 ) {
9674 self.end_selection(window, cx);
9675 self.selection_history.mode = SelectionHistoryMode::Redoing;
9676 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
9677 self.change_selections(None, window, cx, |s| {
9678 s.select_anchors(entry.selections.to_vec())
9679 });
9680 self.select_next_state = entry.select_next_state;
9681 self.select_prev_state = entry.select_prev_state;
9682 self.add_selections_state = entry.add_selections_state;
9683 self.request_autoscroll(Autoscroll::newest(), cx);
9684 }
9685 self.selection_history.mode = SelectionHistoryMode::Normal;
9686 }
9687
9688 pub fn expand_excerpts(
9689 &mut self,
9690 action: &ExpandExcerpts,
9691 _: &mut Window,
9692 cx: &mut Context<Self>,
9693 ) {
9694 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
9695 }
9696
9697 pub fn expand_excerpts_down(
9698 &mut self,
9699 action: &ExpandExcerptsDown,
9700 _: &mut Window,
9701 cx: &mut Context<Self>,
9702 ) {
9703 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
9704 }
9705
9706 pub fn expand_excerpts_up(
9707 &mut self,
9708 action: &ExpandExcerptsUp,
9709 _: &mut Window,
9710 cx: &mut Context<Self>,
9711 ) {
9712 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
9713 }
9714
9715 pub fn expand_excerpts_for_direction(
9716 &mut self,
9717 lines: u32,
9718 direction: ExpandExcerptDirection,
9719
9720 cx: &mut Context<Self>,
9721 ) {
9722 let selections = self.selections.disjoint_anchors();
9723
9724 let lines = if lines == 0 {
9725 EditorSettings::get_global(cx).expand_excerpt_lines
9726 } else {
9727 lines
9728 };
9729
9730 self.buffer.update(cx, |buffer, cx| {
9731 let snapshot = buffer.snapshot(cx);
9732 let mut excerpt_ids = selections
9733 .iter()
9734 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
9735 .collect::<Vec<_>>();
9736 excerpt_ids.sort();
9737 excerpt_ids.dedup();
9738 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
9739 })
9740 }
9741
9742 pub fn expand_excerpt(
9743 &mut self,
9744 excerpt: ExcerptId,
9745 direction: ExpandExcerptDirection,
9746 cx: &mut Context<Self>,
9747 ) {
9748 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
9749 self.buffer.update(cx, |buffer, cx| {
9750 buffer.expand_excerpts([excerpt], lines, direction, cx)
9751 })
9752 }
9753
9754 pub fn go_to_singleton_buffer_point(
9755 &mut self,
9756 point: Point,
9757 window: &mut Window,
9758 cx: &mut Context<Self>,
9759 ) {
9760 self.go_to_singleton_buffer_range(point..point, window, cx);
9761 }
9762
9763 pub fn go_to_singleton_buffer_range(
9764 &mut self,
9765 range: Range<Point>,
9766 window: &mut Window,
9767 cx: &mut Context<Self>,
9768 ) {
9769 let multibuffer = self.buffer().read(cx);
9770 let Some(buffer) = multibuffer.as_singleton() else {
9771 return;
9772 };
9773 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
9774 return;
9775 };
9776 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
9777 return;
9778 };
9779 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
9780 s.select_anchor_ranges([start..end])
9781 });
9782 }
9783
9784 fn go_to_diagnostic(
9785 &mut self,
9786 _: &GoToDiagnostic,
9787 window: &mut Window,
9788 cx: &mut Context<Self>,
9789 ) {
9790 self.go_to_diagnostic_impl(Direction::Next, window, cx)
9791 }
9792
9793 fn go_to_prev_diagnostic(
9794 &mut self,
9795 _: &GoToPrevDiagnostic,
9796 window: &mut Window,
9797 cx: &mut Context<Self>,
9798 ) {
9799 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
9800 }
9801
9802 pub fn go_to_diagnostic_impl(
9803 &mut self,
9804 direction: Direction,
9805 window: &mut Window,
9806 cx: &mut Context<Self>,
9807 ) {
9808 let buffer = self.buffer.read(cx).snapshot(cx);
9809 let selection = self.selections.newest::<usize>(cx);
9810
9811 // If there is an active Diagnostic Popover jump to its diagnostic instead.
9812 if direction == Direction::Next {
9813 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
9814 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
9815 return;
9816 };
9817 self.activate_diagnostics(
9818 buffer_id,
9819 popover.local_diagnostic.diagnostic.group_id,
9820 window,
9821 cx,
9822 );
9823 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
9824 let primary_range_start = active_diagnostics.primary_range.start;
9825 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9826 let mut new_selection = s.newest_anchor().clone();
9827 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
9828 s.select_anchors(vec![new_selection.clone()]);
9829 });
9830 self.refresh_inline_completion(false, true, window, cx);
9831 }
9832 return;
9833 }
9834 }
9835
9836 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
9837 active_diagnostics
9838 .primary_range
9839 .to_offset(&buffer)
9840 .to_inclusive()
9841 });
9842 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
9843 if active_primary_range.contains(&selection.head()) {
9844 *active_primary_range.start()
9845 } else {
9846 selection.head()
9847 }
9848 } else {
9849 selection.head()
9850 };
9851 let snapshot = self.snapshot(window, cx);
9852 loop {
9853 let mut diagnostics;
9854 if direction == Direction::Prev {
9855 diagnostics = buffer
9856 .diagnostics_in_range::<_, usize>(0..search_start)
9857 .collect::<Vec<_>>();
9858 diagnostics.reverse();
9859 } else {
9860 diagnostics = buffer
9861 .diagnostics_in_range::<_, usize>(search_start..buffer.len())
9862 .collect::<Vec<_>>();
9863 };
9864 let group = diagnostics
9865 .into_iter()
9866 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
9867 // relies on diagnostics_in_range to return diagnostics with the same starting range to
9868 // be sorted in a stable way
9869 // skip until we are at current active diagnostic, if it exists
9870 .skip_while(|entry| {
9871 let is_in_range = match direction {
9872 Direction::Prev => entry.range.end > search_start,
9873 Direction::Next => entry.range.start < search_start,
9874 };
9875 is_in_range
9876 && self
9877 .active_diagnostics
9878 .as_ref()
9879 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
9880 })
9881 .find_map(|entry| {
9882 if entry.diagnostic.is_primary
9883 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
9884 && entry.range.start != entry.range.end
9885 // if we match with the active diagnostic, skip it
9886 && Some(entry.diagnostic.group_id)
9887 != self.active_diagnostics.as_ref().map(|d| d.group_id)
9888 {
9889 Some((entry.range, entry.diagnostic.group_id))
9890 } else {
9891 None
9892 }
9893 });
9894
9895 if let Some((primary_range, group_id)) = group {
9896 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
9897 return;
9898 };
9899 self.activate_diagnostics(buffer_id, group_id, window, cx);
9900 if self.active_diagnostics.is_some() {
9901 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9902 s.select(vec![Selection {
9903 id: selection.id,
9904 start: primary_range.start,
9905 end: primary_range.start,
9906 reversed: false,
9907 goal: SelectionGoal::None,
9908 }]);
9909 });
9910 self.refresh_inline_completion(false, true, window, cx);
9911 }
9912 break;
9913 } else {
9914 // Cycle around to the start of the buffer, potentially moving back to the start of
9915 // the currently active diagnostic.
9916 active_primary_range.take();
9917 if direction == Direction::Prev {
9918 if search_start == buffer.len() {
9919 break;
9920 } else {
9921 search_start = buffer.len();
9922 }
9923 } else if search_start == 0 {
9924 break;
9925 } else {
9926 search_start = 0;
9927 }
9928 }
9929 }
9930 }
9931
9932 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
9933 let snapshot = self.snapshot(window, cx);
9934 let selection = self.selections.newest::<Point>(cx);
9935 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
9936 }
9937
9938 fn go_to_hunk_after_position(
9939 &mut self,
9940 snapshot: &EditorSnapshot,
9941 position: Point,
9942 window: &mut Window,
9943 cx: &mut Context<Editor>,
9944 ) -> Option<MultiBufferDiffHunk> {
9945 let mut hunk = snapshot
9946 .buffer_snapshot
9947 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
9948 .find(|hunk| hunk.row_range.start.0 > position.row);
9949 if hunk.is_none() {
9950 hunk = snapshot
9951 .buffer_snapshot
9952 .diff_hunks_in_range(Point::zero()..position)
9953 .find(|hunk| hunk.row_range.end.0 < position.row)
9954 }
9955 if let Some(hunk) = &hunk {
9956 let destination = Point::new(hunk.row_range.start.0, 0);
9957 self.unfold_ranges(&[destination..destination], false, false, cx);
9958 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9959 s.select_ranges(vec![destination..destination]);
9960 });
9961 }
9962
9963 hunk
9964 }
9965
9966 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
9967 let snapshot = self.snapshot(window, cx);
9968 let selection = self.selections.newest::<Point>(cx);
9969 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
9970 }
9971
9972 fn go_to_hunk_before_position(
9973 &mut self,
9974 snapshot: &EditorSnapshot,
9975 position: Point,
9976 window: &mut Window,
9977 cx: &mut Context<Editor>,
9978 ) -> Option<MultiBufferDiffHunk> {
9979 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
9980 if hunk.is_none() {
9981 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
9982 }
9983 if let Some(hunk) = &hunk {
9984 let destination = Point::new(hunk.row_range.start.0, 0);
9985 self.unfold_ranges(&[destination..destination], false, false, cx);
9986 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9987 s.select_ranges(vec![destination..destination]);
9988 });
9989 }
9990
9991 hunk
9992 }
9993
9994 pub fn go_to_definition(
9995 &mut self,
9996 _: &GoToDefinition,
9997 window: &mut Window,
9998 cx: &mut Context<Self>,
9999 ) -> Task<Result<Navigated>> {
10000 let definition =
10001 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10002 cx.spawn_in(window, |editor, mut cx| async move {
10003 if definition.await? == Navigated::Yes {
10004 return Ok(Navigated::Yes);
10005 }
10006 match editor.update_in(&mut cx, |editor, window, cx| {
10007 editor.find_all_references(&FindAllReferences, window, cx)
10008 })? {
10009 Some(references) => references.await,
10010 None => Ok(Navigated::No),
10011 }
10012 })
10013 }
10014
10015 pub fn go_to_declaration(
10016 &mut self,
10017 _: &GoToDeclaration,
10018 window: &mut Window,
10019 cx: &mut Context<Self>,
10020 ) -> Task<Result<Navigated>> {
10021 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10022 }
10023
10024 pub fn go_to_declaration_split(
10025 &mut self,
10026 _: &GoToDeclaration,
10027 window: &mut Window,
10028 cx: &mut Context<Self>,
10029 ) -> Task<Result<Navigated>> {
10030 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10031 }
10032
10033 pub fn go_to_implementation(
10034 &mut self,
10035 _: &GoToImplementation,
10036 window: &mut Window,
10037 cx: &mut Context<Self>,
10038 ) -> Task<Result<Navigated>> {
10039 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10040 }
10041
10042 pub fn go_to_implementation_split(
10043 &mut self,
10044 _: &GoToImplementationSplit,
10045 window: &mut Window,
10046 cx: &mut Context<Self>,
10047 ) -> Task<Result<Navigated>> {
10048 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10049 }
10050
10051 pub fn go_to_type_definition(
10052 &mut self,
10053 _: &GoToTypeDefinition,
10054 window: &mut Window,
10055 cx: &mut Context<Self>,
10056 ) -> Task<Result<Navigated>> {
10057 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10058 }
10059
10060 pub fn go_to_definition_split(
10061 &mut self,
10062 _: &GoToDefinitionSplit,
10063 window: &mut Window,
10064 cx: &mut Context<Self>,
10065 ) -> Task<Result<Navigated>> {
10066 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10067 }
10068
10069 pub fn go_to_type_definition_split(
10070 &mut self,
10071 _: &GoToTypeDefinitionSplit,
10072 window: &mut Window,
10073 cx: &mut Context<Self>,
10074 ) -> Task<Result<Navigated>> {
10075 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10076 }
10077
10078 fn go_to_definition_of_kind(
10079 &mut self,
10080 kind: GotoDefinitionKind,
10081 split: bool,
10082 window: &mut Window,
10083 cx: &mut Context<Self>,
10084 ) -> Task<Result<Navigated>> {
10085 let Some(provider) = self.semantics_provider.clone() else {
10086 return Task::ready(Ok(Navigated::No));
10087 };
10088 let head = self.selections.newest::<usize>(cx).head();
10089 let buffer = self.buffer.read(cx);
10090 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10091 text_anchor
10092 } else {
10093 return Task::ready(Ok(Navigated::No));
10094 };
10095
10096 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10097 return Task::ready(Ok(Navigated::No));
10098 };
10099
10100 cx.spawn_in(window, |editor, mut cx| async move {
10101 let definitions = definitions.await?;
10102 let navigated = editor
10103 .update_in(&mut cx, |editor, window, cx| {
10104 editor.navigate_to_hover_links(
10105 Some(kind),
10106 definitions
10107 .into_iter()
10108 .filter(|location| {
10109 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10110 })
10111 .map(HoverLink::Text)
10112 .collect::<Vec<_>>(),
10113 split,
10114 window,
10115 cx,
10116 )
10117 })?
10118 .await?;
10119 anyhow::Ok(navigated)
10120 })
10121 }
10122
10123 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10124 let selection = self.selections.newest_anchor();
10125 let head = selection.head();
10126 let tail = selection.tail();
10127
10128 let Some((buffer, start_position)) =
10129 self.buffer.read(cx).text_anchor_for_position(head, cx)
10130 else {
10131 return;
10132 };
10133
10134 let end_position = if head != tail {
10135 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10136 return;
10137 };
10138 Some(pos)
10139 } else {
10140 None
10141 };
10142
10143 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10144 let url = if let Some(end_pos) = end_position {
10145 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10146 } else {
10147 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10148 };
10149
10150 if let Some(url) = url {
10151 editor.update(&mut cx, |_, cx| {
10152 cx.open_url(&url);
10153 })
10154 } else {
10155 Ok(())
10156 }
10157 });
10158
10159 url_finder.detach();
10160 }
10161
10162 pub fn open_selected_filename(
10163 &mut self,
10164 _: &OpenSelectedFilename,
10165 window: &mut Window,
10166 cx: &mut Context<Self>,
10167 ) {
10168 let Some(workspace) = self.workspace() else {
10169 return;
10170 };
10171
10172 let position = self.selections.newest_anchor().head();
10173
10174 let Some((buffer, buffer_position)) =
10175 self.buffer.read(cx).text_anchor_for_position(position, cx)
10176 else {
10177 return;
10178 };
10179
10180 let project = self.project.clone();
10181
10182 cx.spawn_in(window, |_, mut cx| async move {
10183 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10184
10185 if let Some((_, path)) = result {
10186 workspace
10187 .update_in(&mut cx, |workspace, window, cx| {
10188 workspace.open_resolved_path(path, window, cx)
10189 })?
10190 .await?;
10191 }
10192 anyhow::Ok(())
10193 })
10194 .detach();
10195 }
10196
10197 pub(crate) fn navigate_to_hover_links(
10198 &mut self,
10199 kind: Option<GotoDefinitionKind>,
10200 mut definitions: Vec<HoverLink>,
10201 split: bool,
10202 window: &mut Window,
10203 cx: &mut Context<Editor>,
10204 ) -> Task<Result<Navigated>> {
10205 // If there is one definition, just open it directly
10206 if definitions.len() == 1 {
10207 let definition = definitions.pop().unwrap();
10208
10209 enum TargetTaskResult {
10210 Location(Option<Location>),
10211 AlreadyNavigated,
10212 }
10213
10214 let target_task = match definition {
10215 HoverLink::Text(link) => {
10216 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10217 }
10218 HoverLink::InlayHint(lsp_location, server_id) => {
10219 let computation =
10220 self.compute_target_location(lsp_location, server_id, window, cx);
10221 cx.background_executor().spawn(async move {
10222 let location = computation.await?;
10223 Ok(TargetTaskResult::Location(location))
10224 })
10225 }
10226 HoverLink::Url(url) => {
10227 cx.open_url(&url);
10228 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10229 }
10230 HoverLink::File(path) => {
10231 if let Some(workspace) = self.workspace() {
10232 cx.spawn_in(window, |_, mut cx| async move {
10233 workspace
10234 .update_in(&mut cx, |workspace, window, cx| {
10235 workspace.open_resolved_path(path, window, cx)
10236 })?
10237 .await
10238 .map(|_| TargetTaskResult::AlreadyNavigated)
10239 })
10240 } else {
10241 Task::ready(Ok(TargetTaskResult::Location(None)))
10242 }
10243 }
10244 };
10245 cx.spawn_in(window, |editor, mut cx| async move {
10246 let target = match target_task.await.context("target resolution task")? {
10247 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10248 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10249 TargetTaskResult::Location(Some(target)) => target,
10250 };
10251
10252 editor.update_in(&mut cx, |editor, window, cx| {
10253 let Some(workspace) = editor.workspace() else {
10254 return Navigated::No;
10255 };
10256 let pane = workspace.read(cx).active_pane().clone();
10257
10258 let range = target.range.to_point(target.buffer.read(cx));
10259 let range = editor.range_for_match(&range);
10260 let range = collapse_multiline_range(range);
10261
10262 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10263 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10264 } else {
10265 window.defer(cx, move |window, cx| {
10266 let target_editor: Entity<Self> =
10267 workspace.update(cx, |workspace, cx| {
10268 let pane = if split {
10269 workspace.adjacent_pane(window, cx)
10270 } else {
10271 workspace.active_pane().clone()
10272 };
10273
10274 workspace.open_project_item(
10275 pane,
10276 target.buffer.clone(),
10277 true,
10278 true,
10279 window,
10280 cx,
10281 )
10282 });
10283 target_editor.update(cx, |target_editor, cx| {
10284 // When selecting a definition in a different buffer, disable the nav history
10285 // to avoid creating a history entry at the previous cursor location.
10286 pane.update(cx, |pane, _| pane.disable_history());
10287 target_editor.go_to_singleton_buffer_range(range, window, cx);
10288 pane.update(cx, |pane, _| pane.enable_history());
10289 });
10290 });
10291 }
10292 Navigated::Yes
10293 })
10294 })
10295 } else if !definitions.is_empty() {
10296 cx.spawn_in(window, |editor, mut cx| async move {
10297 let (title, location_tasks, workspace) = editor
10298 .update_in(&mut cx, |editor, window, cx| {
10299 let tab_kind = match kind {
10300 Some(GotoDefinitionKind::Implementation) => "Implementations",
10301 _ => "Definitions",
10302 };
10303 let title = definitions
10304 .iter()
10305 .find_map(|definition| match definition {
10306 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10307 let buffer = origin.buffer.read(cx);
10308 format!(
10309 "{} for {}",
10310 tab_kind,
10311 buffer
10312 .text_for_range(origin.range.clone())
10313 .collect::<String>()
10314 )
10315 }),
10316 HoverLink::InlayHint(_, _) => None,
10317 HoverLink::Url(_) => None,
10318 HoverLink::File(_) => None,
10319 })
10320 .unwrap_or(tab_kind.to_string());
10321 let location_tasks = definitions
10322 .into_iter()
10323 .map(|definition| match definition {
10324 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10325 HoverLink::InlayHint(lsp_location, server_id) => editor
10326 .compute_target_location(lsp_location, server_id, window, cx),
10327 HoverLink::Url(_) => Task::ready(Ok(None)),
10328 HoverLink::File(_) => Task::ready(Ok(None)),
10329 })
10330 .collect::<Vec<_>>();
10331 (title, location_tasks, editor.workspace().clone())
10332 })
10333 .context("location tasks preparation")?;
10334
10335 let locations = future::join_all(location_tasks)
10336 .await
10337 .into_iter()
10338 .filter_map(|location| location.transpose())
10339 .collect::<Result<_>>()
10340 .context("location tasks")?;
10341
10342 let Some(workspace) = workspace else {
10343 return Ok(Navigated::No);
10344 };
10345 let opened = workspace
10346 .update_in(&mut cx, |workspace, window, cx| {
10347 Self::open_locations_in_multibuffer(
10348 workspace,
10349 locations,
10350 title,
10351 split,
10352 MultibufferSelectionMode::First,
10353 window,
10354 cx,
10355 )
10356 })
10357 .ok();
10358
10359 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10360 })
10361 } else {
10362 Task::ready(Ok(Navigated::No))
10363 }
10364 }
10365
10366 fn compute_target_location(
10367 &self,
10368 lsp_location: lsp::Location,
10369 server_id: LanguageServerId,
10370 window: &mut Window,
10371 cx: &mut Context<Self>,
10372 ) -> Task<anyhow::Result<Option<Location>>> {
10373 let Some(project) = self.project.clone() else {
10374 return Task::ready(Ok(None));
10375 };
10376
10377 cx.spawn_in(window, move |editor, mut cx| async move {
10378 let location_task = editor.update(&mut cx, |_, cx| {
10379 project.update(cx, |project, cx| {
10380 let language_server_name = project
10381 .language_server_statuses(cx)
10382 .find(|(id, _)| server_id == *id)
10383 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10384 language_server_name.map(|language_server_name| {
10385 project.open_local_buffer_via_lsp(
10386 lsp_location.uri.clone(),
10387 server_id,
10388 language_server_name,
10389 cx,
10390 )
10391 })
10392 })
10393 })?;
10394 let location = match location_task {
10395 Some(task) => Some({
10396 let target_buffer_handle = task.await.context("open local buffer")?;
10397 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10398 let target_start = target_buffer
10399 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10400 let target_end = target_buffer
10401 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10402 target_buffer.anchor_after(target_start)
10403 ..target_buffer.anchor_before(target_end)
10404 })?;
10405 Location {
10406 buffer: target_buffer_handle,
10407 range,
10408 }
10409 }),
10410 None => None,
10411 };
10412 Ok(location)
10413 })
10414 }
10415
10416 pub fn find_all_references(
10417 &mut self,
10418 _: &FindAllReferences,
10419 window: &mut Window,
10420 cx: &mut Context<Self>,
10421 ) -> Option<Task<Result<Navigated>>> {
10422 let selection = self.selections.newest::<usize>(cx);
10423 let multi_buffer = self.buffer.read(cx);
10424 let head = selection.head();
10425
10426 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
10427 let head_anchor = multi_buffer_snapshot.anchor_at(
10428 head,
10429 if head < selection.tail() {
10430 Bias::Right
10431 } else {
10432 Bias::Left
10433 },
10434 );
10435
10436 match self
10437 .find_all_references_task_sources
10438 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
10439 {
10440 Ok(_) => {
10441 log::info!(
10442 "Ignoring repeated FindAllReferences invocation with the position of already running task"
10443 );
10444 return None;
10445 }
10446 Err(i) => {
10447 self.find_all_references_task_sources.insert(i, head_anchor);
10448 }
10449 }
10450
10451 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
10452 let workspace = self.workspace()?;
10453 let project = workspace.read(cx).project().clone();
10454 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
10455 Some(cx.spawn_in(window, |editor, mut cx| async move {
10456 let _cleanup = defer({
10457 let mut cx = cx.clone();
10458 move || {
10459 let _ = editor.update(&mut cx, |editor, _| {
10460 if let Ok(i) =
10461 editor
10462 .find_all_references_task_sources
10463 .binary_search_by(|anchor| {
10464 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
10465 })
10466 {
10467 editor.find_all_references_task_sources.remove(i);
10468 }
10469 });
10470 }
10471 });
10472
10473 let locations = references.await?;
10474 if locations.is_empty() {
10475 return anyhow::Ok(Navigated::No);
10476 }
10477
10478 workspace.update_in(&mut cx, |workspace, window, cx| {
10479 let title = locations
10480 .first()
10481 .as_ref()
10482 .map(|location| {
10483 let buffer = location.buffer.read(cx);
10484 format!(
10485 "References to `{}`",
10486 buffer
10487 .text_for_range(location.range.clone())
10488 .collect::<String>()
10489 )
10490 })
10491 .unwrap();
10492 Self::open_locations_in_multibuffer(
10493 workspace,
10494 locations,
10495 title,
10496 false,
10497 MultibufferSelectionMode::First,
10498 window,
10499 cx,
10500 );
10501 Navigated::Yes
10502 })
10503 }))
10504 }
10505
10506 /// Opens a multibuffer with the given project locations in it
10507 pub fn open_locations_in_multibuffer(
10508 workspace: &mut Workspace,
10509 mut locations: Vec<Location>,
10510 title: String,
10511 split: bool,
10512 multibuffer_selection_mode: MultibufferSelectionMode,
10513 window: &mut Window,
10514 cx: &mut Context<Workspace>,
10515 ) {
10516 // If there are multiple definitions, open them in a multibuffer
10517 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
10518 let mut locations = locations.into_iter().peekable();
10519 let mut ranges = Vec::new();
10520 let capability = workspace.project().read(cx).capability();
10521
10522 let excerpt_buffer = cx.new(|cx| {
10523 let mut multibuffer = MultiBuffer::new(capability);
10524 while let Some(location) = locations.next() {
10525 let buffer = location.buffer.read(cx);
10526 let mut ranges_for_buffer = Vec::new();
10527 let range = location.range.to_offset(buffer);
10528 ranges_for_buffer.push(range.clone());
10529
10530 while let Some(next_location) = locations.peek() {
10531 if next_location.buffer == location.buffer {
10532 ranges_for_buffer.push(next_location.range.to_offset(buffer));
10533 locations.next();
10534 } else {
10535 break;
10536 }
10537 }
10538
10539 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
10540 ranges.extend(multibuffer.push_excerpts_with_context_lines(
10541 location.buffer.clone(),
10542 ranges_for_buffer,
10543 DEFAULT_MULTIBUFFER_CONTEXT,
10544 cx,
10545 ))
10546 }
10547
10548 multibuffer.with_title(title)
10549 });
10550
10551 let editor = cx.new(|cx| {
10552 Editor::for_multibuffer(
10553 excerpt_buffer,
10554 Some(workspace.project().clone()),
10555 true,
10556 window,
10557 cx,
10558 )
10559 });
10560 editor.update(cx, |editor, cx| {
10561 match multibuffer_selection_mode {
10562 MultibufferSelectionMode::First => {
10563 if let Some(first_range) = ranges.first() {
10564 editor.change_selections(None, window, cx, |selections| {
10565 selections.clear_disjoint();
10566 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
10567 });
10568 }
10569 editor.highlight_background::<Self>(
10570 &ranges,
10571 |theme| theme.editor_highlighted_line_background,
10572 cx,
10573 );
10574 }
10575 MultibufferSelectionMode::All => {
10576 editor.change_selections(None, window, cx, |selections| {
10577 selections.clear_disjoint();
10578 selections.select_anchor_ranges(ranges);
10579 });
10580 }
10581 }
10582 editor.register_buffers_with_language_servers(cx);
10583 });
10584
10585 let item = Box::new(editor);
10586 let item_id = item.item_id();
10587
10588 if split {
10589 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
10590 } else {
10591 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
10592 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
10593 pane.close_current_preview_item(window, cx)
10594 } else {
10595 None
10596 }
10597 });
10598 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
10599 }
10600 workspace.active_pane().update(cx, |pane, cx| {
10601 pane.set_preview_item_id(Some(item_id), cx);
10602 });
10603 }
10604
10605 pub fn rename(
10606 &mut self,
10607 _: &Rename,
10608 window: &mut Window,
10609 cx: &mut Context<Self>,
10610 ) -> Option<Task<Result<()>>> {
10611 use language::ToOffset as _;
10612
10613 let provider = self.semantics_provider.clone()?;
10614 let selection = self.selections.newest_anchor().clone();
10615 let (cursor_buffer, cursor_buffer_position) = self
10616 .buffer
10617 .read(cx)
10618 .text_anchor_for_position(selection.head(), cx)?;
10619 let (tail_buffer, cursor_buffer_position_end) = self
10620 .buffer
10621 .read(cx)
10622 .text_anchor_for_position(selection.tail(), cx)?;
10623 if tail_buffer != cursor_buffer {
10624 return None;
10625 }
10626
10627 let snapshot = cursor_buffer.read(cx).snapshot();
10628 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
10629 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
10630 let prepare_rename = provider
10631 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
10632 .unwrap_or_else(|| Task::ready(Ok(None)));
10633 drop(snapshot);
10634
10635 Some(cx.spawn_in(window, |this, mut cx| async move {
10636 let rename_range = if let Some(range) = prepare_rename.await? {
10637 Some(range)
10638 } else {
10639 this.update(&mut cx, |this, cx| {
10640 let buffer = this.buffer.read(cx).snapshot(cx);
10641 let mut buffer_highlights = this
10642 .document_highlights_for_position(selection.head(), &buffer)
10643 .filter(|highlight| {
10644 highlight.start.excerpt_id == selection.head().excerpt_id
10645 && highlight.end.excerpt_id == selection.head().excerpt_id
10646 });
10647 buffer_highlights
10648 .next()
10649 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
10650 })?
10651 };
10652 if let Some(rename_range) = rename_range {
10653 this.update_in(&mut cx, |this, window, cx| {
10654 let snapshot = cursor_buffer.read(cx).snapshot();
10655 let rename_buffer_range = rename_range.to_offset(&snapshot);
10656 let cursor_offset_in_rename_range =
10657 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
10658 let cursor_offset_in_rename_range_end =
10659 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
10660
10661 this.take_rename(false, window, cx);
10662 let buffer = this.buffer.read(cx).read(cx);
10663 let cursor_offset = selection.head().to_offset(&buffer);
10664 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
10665 let rename_end = rename_start + rename_buffer_range.len();
10666 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
10667 let mut old_highlight_id = None;
10668 let old_name: Arc<str> = buffer
10669 .chunks(rename_start..rename_end, true)
10670 .map(|chunk| {
10671 if old_highlight_id.is_none() {
10672 old_highlight_id = chunk.syntax_highlight_id;
10673 }
10674 chunk.text
10675 })
10676 .collect::<String>()
10677 .into();
10678
10679 drop(buffer);
10680
10681 // Position the selection in the rename editor so that it matches the current selection.
10682 this.show_local_selections = false;
10683 let rename_editor = cx.new(|cx| {
10684 let mut editor = Editor::single_line(window, cx);
10685 editor.buffer.update(cx, |buffer, cx| {
10686 buffer.edit([(0..0, old_name.clone())], None, cx)
10687 });
10688 let rename_selection_range = match cursor_offset_in_rename_range
10689 .cmp(&cursor_offset_in_rename_range_end)
10690 {
10691 Ordering::Equal => {
10692 editor.select_all(&SelectAll, window, cx);
10693 return editor;
10694 }
10695 Ordering::Less => {
10696 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
10697 }
10698 Ordering::Greater => {
10699 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
10700 }
10701 };
10702 if rename_selection_range.end > old_name.len() {
10703 editor.select_all(&SelectAll, window, cx);
10704 } else {
10705 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10706 s.select_ranges([rename_selection_range]);
10707 });
10708 }
10709 editor
10710 });
10711 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
10712 if e == &EditorEvent::Focused {
10713 cx.emit(EditorEvent::FocusedIn)
10714 }
10715 })
10716 .detach();
10717
10718 let write_highlights =
10719 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
10720 let read_highlights =
10721 this.clear_background_highlights::<DocumentHighlightRead>(cx);
10722 let ranges = write_highlights
10723 .iter()
10724 .flat_map(|(_, ranges)| ranges.iter())
10725 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
10726 .cloned()
10727 .collect();
10728
10729 this.highlight_text::<Rename>(
10730 ranges,
10731 HighlightStyle {
10732 fade_out: Some(0.6),
10733 ..Default::default()
10734 },
10735 cx,
10736 );
10737 let rename_focus_handle = rename_editor.focus_handle(cx);
10738 window.focus(&rename_focus_handle);
10739 let block_id = this.insert_blocks(
10740 [BlockProperties {
10741 style: BlockStyle::Flex,
10742 placement: BlockPlacement::Below(range.start),
10743 height: 1,
10744 render: Arc::new({
10745 let rename_editor = rename_editor.clone();
10746 move |cx: &mut BlockContext| {
10747 let mut text_style = cx.editor_style.text.clone();
10748 if let Some(highlight_style) = old_highlight_id
10749 .and_then(|h| h.style(&cx.editor_style.syntax))
10750 {
10751 text_style = text_style.highlight(highlight_style);
10752 }
10753 div()
10754 .block_mouse_down()
10755 .pl(cx.anchor_x)
10756 .child(EditorElement::new(
10757 &rename_editor,
10758 EditorStyle {
10759 background: cx.theme().system().transparent,
10760 local_player: cx.editor_style.local_player,
10761 text: text_style,
10762 scrollbar_width: cx.editor_style.scrollbar_width,
10763 syntax: cx.editor_style.syntax.clone(),
10764 status: cx.editor_style.status.clone(),
10765 inlay_hints_style: HighlightStyle {
10766 font_weight: Some(FontWeight::BOLD),
10767 ..make_inlay_hints_style(cx.app)
10768 },
10769 inline_completion_styles: make_suggestion_styles(
10770 cx.app,
10771 ),
10772 ..EditorStyle::default()
10773 },
10774 ))
10775 .into_any_element()
10776 }
10777 }),
10778 priority: 0,
10779 }],
10780 Some(Autoscroll::fit()),
10781 cx,
10782 )[0];
10783 this.pending_rename = Some(RenameState {
10784 range,
10785 old_name,
10786 editor: rename_editor,
10787 block_id,
10788 });
10789 })?;
10790 }
10791
10792 Ok(())
10793 }))
10794 }
10795
10796 pub fn confirm_rename(
10797 &mut self,
10798 _: &ConfirmRename,
10799 window: &mut Window,
10800 cx: &mut Context<Self>,
10801 ) -> Option<Task<Result<()>>> {
10802 let rename = self.take_rename(false, window, cx)?;
10803 let workspace = self.workspace()?.downgrade();
10804 let (buffer, start) = self
10805 .buffer
10806 .read(cx)
10807 .text_anchor_for_position(rename.range.start, cx)?;
10808 let (end_buffer, _) = self
10809 .buffer
10810 .read(cx)
10811 .text_anchor_for_position(rename.range.end, cx)?;
10812 if buffer != end_buffer {
10813 return None;
10814 }
10815
10816 let old_name = rename.old_name;
10817 let new_name = rename.editor.read(cx).text(cx);
10818
10819 let rename = self.semantics_provider.as_ref()?.perform_rename(
10820 &buffer,
10821 start,
10822 new_name.clone(),
10823 cx,
10824 )?;
10825
10826 Some(cx.spawn_in(window, |editor, mut cx| async move {
10827 let project_transaction = rename.await?;
10828 Self::open_project_transaction(
10829 &editor,
10830 workspace,
10831 project_transaction,
10832 format!("Rename: {} → {}", old_name, new_name),
10833 cx.clone(),
10834 )
10835 .await?;
10836
10837 editor.update(&mut cx, |editor, cx| {
10838 editor.refresh_document_highlights(cx);
10839 })?;
10840 Ok(())
10841 }))
10842 }
10843
10844 fn take_rename(
10845 &mut self,
10846 moving_cursor: bool,
10847 window: &mut Window,
10848 cx: &mut Context<Self>,
10849 ) -> Option<RenameState> {
10850 let rename = self.pending_rename.take()?;
10851 if rename.editor.focus_handle(cx).is_focused(window) {
10852 window.focus(&self.focus_handle);
10853 }
10854
10855 self.remove_blocks(
10856 [rename.block_id].into_iter().collect(),
10857 Some(Autoscroll::fit()),
10858 cx,
10859 );
10860 self.clear_highlights::<Rename>(cx);
10861 self.show_local_selections = true;
10862
10863 if moving_cursor {
10864 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
10865 editor.selections.newest::<usize>(cx).head()
10866 });
10867
10868 // Update the selection to match the position of the selection inside
10869 // the rename editor.
10870 let snapshot = self.buffer.read(cx).read(cx);
10871 let rename_range = rename.range.to_offset(&snapshot);
10872 let cursor_in_editor = snapshot
10873 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
10874 .min(rename_range.end);
10875 drop(snapshot);
10876
10877 self.change_selections(None, window, cx, |s| {
10878 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
10879 });
10880 } else {
10881 self.refresh_document_highlights(cx);
10882 }
10883
10884 Some(rename)
10885 }
10886
10887 pub fn pending_rename(&self) -> Option<&RenameState> {
10888 self.pending_rename.as_ref()
10889 }
10890
10891 fn format(
10892 &mut self,
10893 _: &Format,
10894 window: &mut Window,
10895 cx: &mut Context<Self>,
10896 ) -> Option<Task<Result<()>>> {
10897 let project = match &self.project {
10898 Some(project) => project.clone(),
10899 None => return None,
10900 };
10901
10902 Some(self.perform_format(
10903 project,
10904 FormatTrigger::Manual,
10905 FormatTarget::Buffers,
10906 window,
10907 cx,
10908 ))
10909 }
10910
10911 fn format_selections(
10912 &mut self,
10913 _: &FormatSelections,
10914 window: &mut Window,
10915 cx: &mut Context<Self>,
10916 ) -> Option<Task<Result<()>>> {
10917 let project = match &self.project {
10918 Some(project) => project.clone(),
10919 None => return None,
10920 };
10921
10922 let ranges = self
10923 .selections
10924 .all_adjusted(cx)
10925 .into_iter()
10926 .map(|selection| selection.range())
10927 .collect_vec();
10928
10929 Some(self.perform_format(
10930 project,
10931 FormatTrigger::Manual,
10932 FormatTarget::Ranges(ranges),
10933 window,
10934 cx,
10935 ))
10936 }
10937
10938 fn perform_format(
10939 &mut self,
10940 project: Entity<Project>,
10941 trigger: FormatTrigger,
10942 target: FormatTarget,
10943 window: &mut Window,
10944 cx: &mut Context<Self>,
10945 ) -> Task<Result<()>> {
10946 let buffer = self.buffer.clone();
10947 let (buffers, target) = match target {
10948 FormatTarget::Buffers => {
10949 let mut buffers = buffer.read(cx).all_buffers();
10950 if trigger == FormatTrigger::Save {
10951 buffers.retain(|buffer| buffer.read(cx).is_dirty());
10952 }
10953 (buffers, LspFormatTarget::Buffers)
10954 }
10955 FormatTarget::Ranges(selection_ranges) => {
10956 let multi_buffer = buffer.read(cx);
10957 let snapshot = multi_buffer.read(cx);
10958 let mut buffers = HashSet::default();
10959 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
10960 BTreeMap::new();
10961 for selection_range in selection_ranges {
10962 for (buffer, buffer_range, _) in
10963 snapshot.range_to_buffer_ranges(selection_range)
10964 {
10965 let buffer_id = buffer.remote_id();
10966 let start = buffer.anchor_before(buffer_range.start);
10967 let end = buffer.anchor_after(buffer_range.end);
10968 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
10969 buffer_id_to_ranges
10970 .entry(buffer_id)
10971 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
10972 .or_insert_with(|| vec![start..end]);
10973 }
10974 }
10975 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
10976 }
10977 };
10978
10979 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
10980 let format = project.update(cx, |project, cx| {
10981 project.format(buffers, target, true, trigger, cx)
10982 });
10983
10984 cx.spawn_in(window, |_, mut cx| async move {
10985 let transaction = futures::select_biased! {
10986 () = timeout => {
10987 log::warn!("timed out waiting for formatting");
10988 None
10989 }
10990 transaction = format.log_err().fuse() => transaction,
10991 };
10992
10993 buffer
10994 .update(&mut cx, |buffer, cx| {
10995 if let Some(transaction) = transaction {
10996 if !buffer.is_singleton() {
10997 buffer.push_transaction(&transaction.0, cx);
10998 }
10999 }
11000
11001 cx.notify();
11002 })
11003 .ok();
11004
11005 Ok(())
11006 })
11007 }
11008
11009 fn restart_language_server(
11010 &mut self,
11011 _: &RestartLanguageServer,
11012 _: &mut Window,
11013 cx: &mut Context<Self>,
11014 ) {
11015 if let Some(project) = self.project.clone() {
11016 self.buffer.update(cx, |multi_buffer, cx| {
11017 project.update(cx, |project, cx| {
11018 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11019 });
11020 })
11021 }
11022 }
11023
11024 fn cancel_language_server_work(
11025 &mut self,
11026 _: &actions::CancelLanguageServerWork,
11027 _: &mut Window,
11028 cx: &mut Context<Self>,
11029 ) {
11030 if let Some(project) = self.project.clone() {
11031 self.buffer.update(cx, |multi_buffer, cx| {
11032 project.update(cx, |project, cx| {
11033 project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
11034 });
11035 })
11036 }
11037 }
11038
11039 fn show_character_palette(
11040 &mut self,
11041 _: &ShowCharacterPalette,
11042 window: &mut Window,
11043 _: &mut Context<Self>,
11044 ) {
11045 window.show_character_palette();
11046 }
11047
11048 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11049 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11050 let buffer = self.buffer.read(cx).snapshot(cx);
11051 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11052 let is_valid = buffer
11053 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone())
11054 .any(|entry| {
11055 entry.diagnostic.is_primary
11056 && !entry.range.is_empty()
11057 && entry.range.start == primary_range_start
11058 && entry.diagnostic.message == active_diagnostics.primary_message
11059 });
11060
11061 if is_valid != active_diagnostics.is_valid {
11062 active_diagnostics.is_valid = is_valid;
11063 let mut new_styles = HashMap::default();
11064 for (block_id, diagnostic) in &active_diagnostics.blocks {
11065 new_styles.insert(
11066 *block_id,
11067 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11068 );
11069 }
11070 self.display_map.update(cx, |display_map, _cx| {
11071 display_map.replace_blocks(new_styles)
11072 });
11073 }
11074 }
11075 }
11076
11077 fn activate_diagnostics(
11078 &mut self,
11079 buffer_id: BufferId,
11080 group_id: usize,
11081 window: &mut Window,
11082 cx: &mut Context<Self>,
11083 ) {
11084 self.dismiss_diagnostics(cx);
11085 let snapshot = self.snapshot(window, cx);
11086 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11087 let buffer = self.buffer.read(cx).snapshot(cx);
11088
11089 let mut primary_range = None;
11090 let mut primary_message = None;
11091 let diagnostic_group = buffer
11092 .diagnostic_group(buffer_id, group_id)
11093 .filter_map(|entry| {
11094 let start = entry.range.start;
11095 let end = entry.range.end;
11096 if snapshot.is_line_folded(MultiBufferRow(start.row))
11097 && (start.row == end.row
11098 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11099 {
11100 return None;
11101 }
11102 if entry.diagnostic.is_primary {
11103 primary_range = Some(entry.range.clone());
11104 primary_message = Some(entry.diagnostic.message.clone());
11105 }
11106 Some(entry)
11107 })
11108 .collect::<Vec<_>>();
11109 let primary_range = primary_range?;
11110 let primary_message = primary_message?;
11111
11112 let blocks = display_map
11113 .insert_blocks(
11114 diagnostic_group.iter().map(|entry| {
11115 let diagnostic = entry.diagnostic.clone();
11116 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11117 BlockProperties {
11118 style: BlockStyle::Fixed,
11119 placement: BlockPlacement::Below(
11120 buffer.anchor_after(entry.range.start),
11121 ),
11122 height: message_height,
11123 render: diagnostic_block_renderer(diagnostic, None, true, true),
11124 priority: 0,
11125 }
11126 }),
11127 cx,
11128 )
11129 .into_iter()
11130 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11131 .collect();
11132
11133 Some(ActiveDiagnosticGroup {
11134 primary_range: buffer.anchor_before(primary_range.start)
11135 ..buffer.anchor_after(primary_range.end),
11136 primary_message,
11137 group_id,
11138 blocks,
11139 is_valid: true,
11140 })
11141 });
11142 }
11143
11144 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11145 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11146 self.display_map.update(cx, |display_map, cx| {
11147 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11148 });
11149 cx.notify();
11150 }
11151 }
11152
11153 pub fn set_selections_from_remote(
11154 &mut self,
11155 selections: Vec<Selection<Anchor>>,
11156 pending_selection: Option<Selection<Anchor>>,
11157 window: &mut Window,
11158 cx: &mut Context<Self>,
11159 ) {
11160 let old_cursor_position = self.selections.newest_anchor().head();
11161 self.selections.change_with(cx, |s| {
11162 s.select_anchors(selections);
11163 if let Some(pending_selection) = pending_selection {
11164 s.set_pending(pending_selection, SelectMode::Character);
11165 } else {
11166 s.clear_pending();
11167 }
11168 });
11169 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11170 }
11171
11172 fn push_to_selection_history(&mut self) {
11173 self.selection_history.push(SelectionHistoryEntry {
11174 selections: self.selections.disjoint_anchors(),
11175 select_next_state: self.select_next_state.clone(),
11176 select_prev_state: self.select_prev_state.clone(),
11177 add_selections_state: self.add_selections_state.clone(),
11178 });
11179 }
11180
11181 pub fn transact(
11182 &mut self,
11183 window: &mut Window,
11184 cx: &mut Context<Self>,
11185 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11186 ) -> Option<TransactionId> {
11187 self.start_transaction_at(Instant::now(), window, cx);
11188 update(self, window, cx);
11189 self.end_transaction_at(Instant::now(), cx)
11190 }
11191
11192 pub fn start_transaction_at(
11193 &mut self,
11194 now: Instant,
11195 window: &mut Window,
11196 cx: &mut Context<Self>,
11197 ) {
11198 self.end_selection(window, cx);
11199 if let Some(tx_id) = self
11200 .buffer
11201 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11202 {
11203 self.selection_history
11204 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11205 cx.emit(EditorEvent::TransactionBegun {
11206 transaction_id: tx_id,
11207 })
11208 }
11209 }
11210
11211 pub fn end_transaction_at(
11212 &mut self,
11213 now: Instant,
11214 cx: &mut Context<Self>,
11215 ) -> Option<TransactionId> {
11216 if let Some(transaction_id) = self
11217 .buffer
11218 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11219 {
11220 if let Some((_, end_selections)) =
11221 self.selection_history.transaction_mut(transaction_id)
11222 {
11223 *end_selections = Some(self.selections.disjoint_anchors());
11224 } else {
11225 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11226 }
11227
11228 cx.emit(EditorEvent::Edited { transaction_id });
11229 Some(transaction_id)
11230 } else {
11231 None
11232 }
11233 }
11234
11235 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11236 if self.selection_mark_mode {
11237 self.change_selections(None, window, cx, |s| {
11238 s.move_with(|_, sel| {
11239 sel.collapse_to(sel.head(), SelectionGoal::None);
11240 });
11241 })
11242 }
11243 self.selection_mark_mode = true;
11244 cx.notify();
11245 }
11246
11247 pub fn swap_selection_ends(
11248 &mut self,
11249 _: &actions::SwapSelectionEnds,
11250 window: &mut Window,
11251 cx: &mut Context<Self>,
11252 ) {
11253 self.change_selections(None, window, cx, |s| {
11254 s.move_with(|_, sel| {
11255 if sel.start != sel.end {
11256 sel.reversed = !sel.reversed
11257 }
11258 });
11259 });
11260 self.request_autoscroll(Autoscroll::newest(), cx);
11261 cx.notify();
11262 }
11263
11264 pub fn toggle_fold(
11265 &mut self,
11266 _: &actions::ToggleFold,
11267 window: &mut Window,
11268 cx: &mut Context<Self>,
11269 ) {
11270 if self.is_singleton(cx) {
11271 let selection = self.selections.newest::<Point>(cx);
11272
11273 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11274 let range = if selection.is_empty() {
11275 let point = selection.head().to_display_point(&display_map);
11276 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11277 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11278 .to_point(&display_map);
11279 start..end
11280 } else {
11281 selection.range()
11282 };
11283 if display_map.folds_in_range(range).next().is_some() {
11284 self.unfold_lines(&Default::default(), window, cx)
11285 } else {
11286 self.fold(&Default::default(), window, cx)
11287 }
11288 } else {
11289 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11290 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11291 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11292 .map(|(snapshot, _, _)| snapshot.remote_id())
11293 .collect();
11294
11295 for buffer_id in buffer_ids {
11296 if self.is_buffer_folded(buffer_id, cx) {
11297 self.unfold_buffer(buffer_id, cx);
11298 } else {
11299 self.fold_buffer(buffer_id, cx);
11300 }
11301 }
11302 }
11303 }
11304
11305 pub fn toggle_fold_recursive(
11306 &mut self,
11307 _: &actions::ToggleFoldRecursive,
11308 window: &mut Window,
11309 cx: &mut Context<Self>,
11310 ) {
11311 let selection = self.selections.newest::<Point>(cx);
11312
11313 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11314 let range = if selection.is_empty() {
11315 let point = selection.head().to_display_point(&display_map);
11316 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11317 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11318 .to_point(&display_map);
11319 start..end
11320 } else {
11321 selection.range()
11322 };
11323 if display_map.folds_in_range(range).next().is_some() {
11324 self.unfold_recursive(&Default::default(), window, cx)
11325 } else {
11326 self.fold_recursive(&Default::default(), window, cx)
11327 }
11328 }
11329
11330 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11331 if self.is_singleton(cx) {
11332 let mut to_fold = Vec::new();
11333 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11334 let selections = self.selections.all_adjusted(cx);
11335
11336 for selection in selections {
11337 let range = selection.range().sorted();
11338 let buffer_start_row = range.start.row;
11339
11340 if range.start.row != range.end.row {
11341 let mut found = false;
11342 let mut row = range.start.row;
11343 while row <= range.end.row {
11344 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11345 {
11346 found = true;
11347 row = crease.range().end.row + 1;
11348 to_fold.push(crease);
11349 } else {
11350 row += 1
11351 }
11352 }
11353 if found {
11354 continue;
11355 }
11356 }
11357
11358 for row in (0..=range.start.row).rev() {
11359 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11360 if crease.range().end.row >= buffer_start_row {
11361 to_fold.push(crease);
11362 if row <= range.start.row {
11363 break;
11364 }
11365 }
11366 }
11367 }
11368 }
11369
11370 self.fold_creases(to_fold, true, window, cx);
11371 } else {
11372 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11373
11374 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11375 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11376 .map(|(snapshot, _, _)| snapshot.remote_id())
11377 .collect();
11378 for buffer_id in buffer_ids {
11379 self.fold_buffer(buffer_id, cx);
11380 }
11381 }
11382 }
11383
11384 fn fold_at_level(
11385 &mut self,
11386 fold_at: &FoldAtLevel,
11387 window: &mut Window,
11388 cx: &mut Context<Self>,
11389 ) {
11390 if !self.buffer.read(cx).is_singleton() {
11391 return;
11392 }
11393
11394 let fold_at_level = fold_at.level;
11395 let snapshot = self.buffer.read(cx).snapshot(cx);
11396 let mut to_fold = Vec::new();
11397 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11398
11399 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11400 while start_row < end_row {
11401 match self
11402 .snapshot(window, cx)
11403 .crease_for_buffer_row(MultiBufferRow(start_row))
11404 {
11405 Some(crease) => {
11406 let nested_start_row = crease.range().start.row + 1;
11407 let nested_end_row = crease.range().end.row;
11408
11409 if current_level < fold_at_level {
11410 stack.push((nested_start_row, nested_end_row, current_level + 1));
11411 } else if current_level == fold_at_level {
11412 to_fold.push(crease);
11413 }
11414
11415 start_row = nested_end_row + 1;
11416 }
11417 None => start_row += 1,
11418 }
11419 }
11420 }
11421
11422 self.fold_creases(to_fold, true, window, cx);
11423 }
11424
11425 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
11426 if self.buffer.read(cx).is_singleton() {
11427 let mut fold_ranges = Vec::new();
11428 let snapshot = self.buffer.read(cx).snapshot(cx);
11429
11430 for row in 0..snapshot.max_row().0 {
11431 if let Some(foldable_range) = self
11432 .snapshot(window, cx)
11433 .crease_for_buffer_row(MultiBufferRow(row))
11434 {
11435 fold_ranges.push(foldable_range);
11436 }
11437 }
11438
11439 self.fold_creases(fold_ranges, true, window, cx);
11440 } else {
11441 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
11442 editor
11443 .update_in(&mut cx, |editor, _, cx| {
11444 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11445 editor.fold_buffer(buffer_id, cx);
11446 }
11447 })
11448 .ok();
11449 });
11450 }
11451 }
11452
11453 pub fn fold_function_bodies(
11454 &mut self,
11455 _: &actions::FoldFunctionBodies,
11456 window: &mut Window,
11457 cx: &mut Context<Self>,
11458 ) {
11459 let snapshot = self.buffer.read(cx).snapshot(cx);
11460
11461 let ranges = snapshot
11462 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
11463 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
11464 .collect::<Vec<_>>();
11465
11466 let creases = ranges
11467 .into_iter()
11468 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
11469 .collect();
11470
11471 self.fold_creases(creases, true, window, cx);
11472 }
11473
11474 pub fn fold_recursive(
11475 &mut self,
11476 _: &actions::FoldRecursive,
11477 window: &mut Window,
11478 cx: &mut Context<Self>,
11479 ) {
11480 let mut to_fold = Vec::new();
11481 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11482 let selections = self.selections.all_adjusted(cx);
11483
11484 for selection in selections {
11485 let range = selection.range().sorted();
11486 let buffer_start_row = range.start.row;
11487
11488 if range.start.row != range.end.row {
11489 let mut found = false;
11490 for row in range.start.row..=range.end.row {
11491 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11492 found = true;
11493 to_fold.push(crease);
11494 }
11495 }
11496 if found {
11497 continue;
11498 }
11499 }
11500
11501 for row in (0..=range.start.row).rev() {
11502 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11503 if crease.range().end.row >= buffer_start_row {
11504 to_fold.push(crease);
11505 } else {
11506 break;
11507 }
11508 }
11509 }
11510 }
11511
11512 self.fold_creases(to_fold, true, window, cx);
11513 }
11514
11515 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
11516 let buffer_row = fold_at.buffer_row;
11517 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11518
11519 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
11520 let autoscroll = self
11521 .selections
11522 .all::<Point>(cx)
11523 .iter()
11524 .any(|selection| crease.range().overlaps(&selection.range()));
11525
11526 self.fold_creases(vec![crease], autoscroll, window, cx);
11527 }
11528 }
11529
11530 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
11531 if self.is_singleton(cx) {
11532 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11533 let buffer = &display_map.buffer_snapshot;
11534 let selections = self.selections.all::<Point>(cx);
11535 let ranges = selections
11536 .iter()
11537 .map(|s| {
11538 let range = s.display_range(&display_map).sorted();
11539 let mut start = range.start.to_point(&display_map);
11540 let mut end = range.end.to_point(&display_map);
11541 start.column = 0;
11542 end.column = buffer.line_len(MultiBufferRow(end.row));
11543 start..end
11544 })
11545 .collect::<Vec<_>>();
11546
11547 self.unfold_ranges(&ranges, true, true, cx);
11548 } else {
11549 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11550 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11551 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11552 .map(|(snapshot, _, _)| snapshot.remote_id())
11553 .collect();
11554 for buffer_id in buffer_ids {
11555 self.unfold_buffer(buffer_id, cx);
11556 }
11557 }
11558 }
11559
11560 pub fn unfold_recursive(
11561 &mut self,
11562 _: &UnfoldRecursive,
11563 _window: &mut Window,
11564 cx: &mut Context<Self>,
11565 ) {
11566 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11567 let selections = self.selections.all::<Point>(cx);
11568 let ranges = selections
11569 .iter()
11570 .map(|s| {
11571 let mut range = s.display_range(&display_map).sorted();
11572 *range.start.column_mut() = 0;
11573 *range.end.column_mut() = display_map.line_len(range.end.row());
11574 let start = range.start.to_point(&display_map);
11575 let end = range.end.to_point(&display_map);
11576 start..end
11577 })
11578 .collect::<Vec<_>>();
11579
11580 self.unfold_ranges(&ranges, true, true, cx);
11581 }
11582
11583 pub fn unfold_at(
11584 &mut self,
11585 unfold_at: &UnfoldAt,
11586 _window: &mut Window,
11587 cx: &mut Context<Self>,
11588 ) {
11589 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11590
11591 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
11592 ..Point::new(
11593 unfold_at.buffer_row.0,
11594 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
11595 );
11596
11597 let autoscroll = self
11598 .selections
11599 .all::<Point>(cx)
11600 .iter()
11601 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
11602
11603 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
11604 }
11605
11606 pub fn unfold_all(
11607 &mut self,
11608 _: &actions::UnfoldAll,
11609 _window: &mut Window,
11610 cx: &mut Context<Self>,
11611 ) {
11612 if self.buffer.read(cx).is_singleton() {
11613 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11614 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
11615 } else {
11616 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
11617 editor
11618 .update(&mut cx, |editor, cx| {
11619 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11620 editor.unfold_buffer(buffer_id, cx);
11621 }
11622 })
11623 .ok();
11624 });
11625 }
11626 }
11627
11628 pub fn fold_selected_ranges(
11629 &mut self,
11630 _: &FoldSelectedRanges,
11631 window: &mut Window,
11632 cx: &mut Context<Self>,
11633 ) {
11634 let selections = self.selections.all::<Point>(cx);
11635 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11636 let line_mode = self.selections.line_mode;
11637 let ranges = selections
11638 .into_iter()
11639 .map(|s| {
11640 if line_mode {
11641 let start = Point::new(s.start.row, 0);
11642 let end = Point::new(
11643 s.end.row,
11644 display_map
11645 .buffer_snapshot
11646 .line_len(MultiBufferRow(s.end.row)),
11647 );
11648 Crease::simple(start..end, display_map.fold_placeholder.clone())
11649 } else {
11650 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
11651 }
11652 })
11653 .collect::<Vec<_>>();
11654 self.fold_creases(ranges, true, window, cx);
11655 }
11656
11657 pub fn fold_ranges<T: ToOffset + Clone>(
11658 &mut self,
11659 ranges: Vec<Range<T>>,
11660 auto_scroll: bool,
11661 window: &mut Window,
11662 cx: &mut Context<Self>,
11663 ) {
11664 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11665 let ranges = ranges
11666 .into_iter()
11667 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
11668 .collect::<Vec<_>>();
11669 self.fold_creases(ranges, auto_scroll, window, cx);
11670 }
11671
11672 pub fn fold_creases<T: ToOffset + Clone>(
11673 &mut self,
11674 creases: Vec<Crease<T>>,
11675 auto_scroll: bool,
11676 window: &mut Window,
11677 cx: &mut Context<Self>,
11678 ) {
11679 if creases.is_empty() {
11680 return;
11681 }
11682
11683 let mut buffers_affected = HashSet::default();
11684 let multi_buffer = self.buffer().read(cx);
11685 for crease in &creases {
11686 if let Some((_, buffer, _)) =
11687 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
11688 {
11689 buffers_affected.insert(buffer.read(cx).remote_id());
11690 };
11691 }
11692
11693 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
11694
11695 if auto_scroll {
11696 self.request_autoscroll(Autoscroll::fit(), cx);
11697 }
11698
11699 cx.notify();
11700
11701 if let Some(active_diagnostics) = self.active_diagnostics.take() {
11702 // Clear diagnostics block when folding a range that contains it.
11703 let snapshot = self.snapshot(window, cx);
11704 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
11705 drop(snapshot);
11706 self.active_diagnostics = Some(active_diagnostics);
11707 self.dismiss_diagnostics(cx);
11708 } else {
11709 self.active_diagnostics = Some(active_diagnostics);
11710 }
11711 }
11712
11713 self.scrollbar_marker_state.dirty = true;
11714 }
11715
11716 /// Removes any folds whose ranges intersect any of the given ranges.
11717 pub fn unfold_ranges<T: ToOffset + Clone>(
11718 &mut self,
11719 ranges: &[Range<T>],
11720 inclusive: bool,
11721 auto_scroll: bool,
11722 cx: &mut Context<Self>,
11723 ) {
11724 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11725 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
11726 });
11727 }
11728
11729 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11730 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
11731 return;
11732 }
11733 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11734 return;
11735 };
11736 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11737 self.display_map
11738 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
11739 cx.emit(EditorEvent::BufferFoldToggled {
11740 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
11741 folded: true,
11742 });
11743 cx.notify();
11744 }
11745
11746 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11747 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
11748 return;
11749 }
11750 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11751 return;
11752 };
11753 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11754 self.display_map.update(cx, |display_map, cx| {
11755 display_map.unfold_buffer(buffer_id, cx);
11756 });
11757 cx.emit(EditorEvent::BufferFoldToggled {
11758 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
11759 folded: false,
11760 });
11761 cx.notify();
11762 }
11763
11764 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
11765 self.display_map.read(cx).is_buffer_folded(buffer)
11766 }
11767
11768 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
11769 self.display_map.read(cx).folded_buffers()
11770 }
11771
11772 /// Removes any folds with the given ranges.
11773 pub fn remove_folds_with_type<T: ToOffset + Clone>(
11774 &mut self,
11775 ranges: &[Range<T>],
11776 type_id: TypeId,
11777 auto_scroll: bool,
11778 cx: &mut Context<Self>,
11779 ) {
11780 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11781 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
11782 });
11783 }
11784
11785 fn remove_folds_with<T: ToOffset + Clone>(
11786 &mut self,
11787 ranges: &[Range<T>],
11788 auto_scroll: bool,
11789 cx: &mut Context<Self>,
11790 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
11791 ) {
11792 if ranges.is_empty() {
11793 return;
11794 }
11795
11796 let mut buffers_affected = HashSet::default();
11797 let multi_buffer = self.buffer().read(cx);
11798 for range in ranges {
11799 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
11800 buffers_affected.insert(buffer.read(cx).remote_id());
11801 };
11802 }
11803
11804 self.display_map.update(cx, update);
11805
11806 if auto_scroll {
11807 self.request_autoscroll(Autoscroll::fit(), cx);
11808 }
11809
11810 cx.notify();
11811 self.scrollbar_marker_state.dirty = true;
11812 self.active_indent_guides_state.dirty = true;
11813 }
11814
11815 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
11816 self.display_map.read(cx).fold_placeholder.clone()
11817 }
11818
11819 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
11820 self.buffer.update(cx, |buffer, cx| {
11821 buffer.set_all_diff_hunks_expanded(cx);
11822 });
11823 }
11824
11825 pub fn expand_all_diff_hunks(
11826 &mut self,
11827 _: &ExpandAllHunkDiffs,
11828 _window: &mut Window,
11829 cx: &mut Context<Self>,
11830 ) {
11831 self.buffer.update(cx, |buffer, cx| {
11832 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
11833 });
11834 }
11835
11836 pub fn toggle_selected_diff_hunks(
11837 &mut self,
11838 _: &ToggleSelectedDiffHunks,
11839 _window: &mut Window,
11840 cx: &mut Context<Self>,
11841 ) {
11842 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11843 self.toggle_diff_hunks_in_ranges(ranges, cx);
11844 }
11845
11846 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
11847 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11848 self.buffer
11849 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
11850 }
11851
11852 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
11853 self.buffer.update(cx, |buffer, cx| {
11854 let ranges = vec![Anchor::min()..Anchor::max()];
11855 if !buffer.all_diff_hunks_expanded()
11856 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
11857 {
11858 buffer.collapse_diff_hunks(ranges, cx);
11859 true
11860 } else {
11861 false
11862 }
11863 })
11864 }
11865
11866 fn toggle_diff_hunks_in_ranges(
11867 &mut self,
11868 ranges: Vec<Range<Anchor>>,
11869 cx: &mut Context<'_, Editor>,
11870 ) {
11871 self.buffer.update(cx, |buffer, cx| {
11872 if buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx) {
11873 buffer.collapse_diff_hunks(ranges, cx)
11874 } else {
11875 buffer.expand_diff_hunks(ranges, cx)
11876 }
11877 })
11878 }
11879
11880 pub(crate) fn apply_all_diff_hunks(
11881 &mut self,
11882 _: &ApplyAllDiffHunks,
11883 window: &mut Window,
11884 cx: &mut Context<Self>,
11885 ) {
11886 let buffers = self.buffer.read(cx).all_buffers();
11887 for branch_buffer in buffers {
11888 branch_buffer.update(cx, |branch_buffer, cx| {
11889 branch_buffer.merge_into_base(Vec::new(), cx);
11890 });
11891 }
11892
11893 if let Some(project) = self.project.clone() {
11894 self.save(true, project, window, cx).detach_and_log_err(cx);
11895 }
11896 }
11897
11898 pub(crate) fn apply_selected_diff_hunks(
11899 &mut self,
11900 _: &ApplyDiffHunk,
11901 window: &mut Window,
11902 cx: &mut Context<Self>,
11903 ) {
11904 let snapshot = self.snapshot(window, cx);
11905 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
11906 let mut ranges_by_buffer = HashMap::default();
11907 self.transact(window, cx, |editor, _window, cx| {
11908 for hunk in hunks {
11909 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
11910 ranges_by_buffer
11911 .entry(buffer.clone())
11912 .or_insert_with(Vec::new)
11913 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
11914 }
11915 }
11916
11917 for (buffer, ranges) in ranges_by_buffer {
11918 buffer.update(cx, |buffer, cx| {
11919 buffer.merge_into_base(ranges, cx);
11920 });
11921 }
11922 });
11923
11924 if let Some(project) = self.project.clone() {
11925 self.save(true, project, window, cx).detach_and_log_err(cx);
11926 }
11927 }
11928
11929 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
11930 if hovered != self.gutter_hovered {
11931 self.gutter_hovered = hovered;
11932 cx.notify();
11933 }
11934 }
11935
11936 pub fn insert_blocks(
11937 &mut self,
11938 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
11939 autoscroll: Option<Autoscroll>,
11940 cx: &mut Context<Self>,
11941 ) -> Vec<CustomBlockId> {
11942 let blocks = self
11943 .display_map
11944 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
11945 if let Some(autoscroll) = autoscroll {
11946 self.request_autoscroll(autoscroll, cx);
11947 }
11948 cx.notify();
11949 blocks
11950 }
11951
11952 pub fn resize_blocks(
11953 &mut self,
11954 heights: HashMap<CustomBlockId, u32>,
11955 autoscroll: Option<Autoscroll>,
11956 cx: &mut Context<Self>,
11957 ) {
11958 self.display_map
11959 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
11960 if let Some(autoscroll) = autoscroll {
11961 self.request_autoscroll(autoscroll, cx);
11962 }
11963 cx.notify();
11964 }
11965
11966 pub fn replace_blocks(
11967 &mut self,
11968 renderers: HashMap<CustomBlockId, RenderBlock>,
11969 autoscroll: Option<Autoscroll>,
11970 cx: &mut Context<Self>,
11971 ) {
11972 self.display_map
11973 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
11974 if let Some(autoscroll) = autoscroll {
11975 self.request_autoscroll(autoscroll, cx);
11976 }
11977 cx.notify();
11978 }
11979
11980 pub fn remove_blocks(
11981 &mut self,
11982 block_ids: HashSet<CustomBlockId>,
11983 autoscroll: Option<Autoscroll>,
11984 cx: &mut Context<Self>,
11985 ) {
11986 self.display_map.update(cx, |display_map, cx| {
11987 display_map.remove_blocks(block_ids, cx)
11988 });
11989 if let Some(autoscroll) = autoscroll {
11990 self.request_autoscroll(autoscroll, cx);
11991 }
11992 cx.notify();
11993 }
11994
11995 pub fn row_for_block(
11996 &self,
11997 block_id: CustomBlockId,
11998 cx: &mut Context<Self>,
11999 ) -> Option<DisplayRow> {
12000 self.display_map
12001 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12002 }
12003
12004 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12005 self.focused_block = Some(focused_block);
12006 }
12007
12008 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12009 self.focused_block.take()
12010 }
12011
12012 pub fn insert_creases(
12013 &mut self,
12014 creases: impl IntoIterator<Item = Crease<Anchor>>,
12015 cx: &mut Context<Self>,
12016 ) -> Vec<CreaseId> {
12017 self.display_map
12018 .update(cx, |map, cx| map.insert_creases(creases, cx))
12019 }
12020
12021 pub fn remove_creases(
12022 &mut self,
12023 ids: impl IntoIterator<Item = CreaseId>,
12024 cx: &mut Context<Self>,
12025 ) {
12026 self.display_map
12027 .update(cx, |map, cx| map.remove_creases(ids, cx));
12028 }
12029
12030 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12031 self.display_map
12032 .update(cx, |map, cx| map.snapshot(cx))
12033 .longest_row()
12034 }
12035
12036 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12037 self.display_map
12038 .update(cx, |map, cx| map.snapshot(cx))
12039 .max_point()
12040 }
12041
12042 pub fn text(&self, cx: &App) -> String {
12043 self.buffer.read(cx).read(cx).text()
12044 }
12045
12046 pub fn text_option(&self, cx: &App) -> Option<String> {
12047 let text = self.text(cx);
12048 let text = text.trim();
12049
12050 if text.is_empty() {
12051 return None;
12052 }
12053
12054 Some(text.to_string())
12055 }
12056
12057 pub fn set_text(
12058 &mut self,
12059 text: impl Into<Arc<str>>,
12060 window: &mut Window,
12061 cx: &mut Context<Self>,
12062 ) {
12063 self.transact(window, cx, |this, _, cx| {
12064 this.buffer
12065 .read(cx)
12066 .as_singleton()
12067 .expect("you can only call set_text on editors for singleton buffers")
12068 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12069 });
12070 }
12071
12072 pub fn display_text(&self, cx: &mut App) -> String {
12073 self.display_map
12074 .update(cx, |map, cx| map.snapshot(cx))
12075 .text()
12076 }
12077
12078 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12079 let mut wrap_guides = smallvec::smallvec![];
12080
12081 if self.show_wrap_guides == Some(false) {
12082 return wrap_guides;
12083 }
12084
12085 let settings = self.buffer.read(cx).settings_at(0, cx);
12086 if settings.show_wrap_guides {
12087 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12088 wrap_guides.push((soft_wrap as usize, true));
12089 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12090 wrap_guides.push((soft_wrap as usize, true));
12091 }
12092 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12093 }
12094
12095 wrap_guides
12096 }
12097
12098 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12099 let settings = self.buffer.read(cx).settings_at(0, cx);
12100 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12101 match mode {
12102 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12103 SoftWrap::None
12104 }
12105 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12106 language_settings::SoftWrap::PreferredLineLength => {
12107 SoftWrap::Column(settings.preferred_line_length)
12108 }
12109 language_settings::SoftWrap::Bounded => {
12110 SoftWrap::Bounded(settings.preferred_line_length)
12111 }
12112 }
12113 }
12114
12115 pub fn set_soft_wrap_mode(
12116 &mut self,
12117 mode: language_settings::SoftWrap,
12118
12119 cx: &mut Context<Self>,
12120 ) {
12121 self.soft_wrap_mode_override = Some(mode);
12122 cx.notify();
12123 }
12124
12125 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12126 self.text_style_refinement = Some(style);
12127 }
12128
12129 /// called by the Element so we know what style we were most recently rendered with.
12130 pub(crate) fn set_style(
12131 &mut self,
12132 style: EditorStyle,
12133 window: &mut Window,
12134 cx: &mut Context<Self>,
12135 ) {
12136 let rem_size = window.rem_size();
12137 self.display_map.update(cx, |map, cx| {
12138 map.set_font(
12139 style.text.font(),
12140 style.text.font_size.to_pixels(rem_size),
12141 cx,
12142 )
12143 });
12144 self.style = Some(style);
12145 }
12146
12147 pub fn style(&self) -> Option<&EditorStyle> {
12148 self.style.as_ref()
12149 }
12150
12151 // Called by the element. This method is not designed to be called outside of the editor
12152 // element's layout code because it does not notify when rewrapping is computed synchronously.
12153 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12154 self.display_map
12155 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12156 }
12157
12158 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12159 if self.soft_wrap_mode_override.is_some() {
12160 self.soft_wrap_mode_override.take();
12161 } else {
12162 let soft_wrap = match self.soft_wrap_mode(cx) {
12163 SoftWrap::GitDiff => return,
12164 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12165 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12166 language_settings::SoftWrap::None
12167 }
12168 };
12169 self.soft_wrap_mode_override = Some(soft_wrap);
12170 }
12171 cx.notify();
12172 }
12173
12174 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12175 let Some(workspace) = self.workspace() else {
12176 return;
12177 };
12178 let fs = workspace.read(cx).app_state().fs.clone();
12179 let current_show = TabBarSettings::get_global(cx).show;
12180 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12181 setting.show = Some(!current_show);
12182 });
12183 }
12184
12185 pub fn toggle_indent_guides(
12186 &mut self,
12187 _: &ToggleIndentGuides,
12188 _: &mut Window,
12189 cx: &mut Context<Self>,
12190 ) {
12191 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12192 self.buffer
12193 .read(cx)
12194 .settings_at(0, cx)
12195 .indent_guides
12196 .enabled
12197 });
12198 self.show_indent_guides = Some(!currently_enabled);
12199 cx.notify();
12200 }
12201
12202 fn should_show_indent_guides(&self) -> Option<bool> {
12203 self.show_indent_guides
12204 }
12205
12206 pub fn toggle_line_numbers(
12207 &mut self,
12208 _: &ToggleLineNumbers,
12209 _: &mut Window,
12210 cx: &mut Context<Self>,
12211 ) {
12212 let mut editor_settings = EditorSettings::get_global(cx).clone();
12213 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12214 EditorSettings::override_global(editor_settings, cx);
12215 }
12216
12217 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12218 self.use_relative_line_numbers
12219 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12220 }
12221
12222 pub fn toggle_relative_line_numbers(
12223 &mut self,
12224 _: &ToggleRelativeLineNumbers,
12225 _: &mut Window,
12226 cx: &mut Context<Self>,
12227 ) {
12228 let is_relative = self.should_use_relative_line_numbers(cx);
12229 self.set_relative_line_number(Some(!is_relative), cx)
12230 }
12231
12232 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12233 self.use_relative_line_numbers = is_relative;
12234 cx.notify();
12235 }
12236
12237 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12238 self.show_gutter = show_gutter;
12239 cx.notify();
12240 }
12241
12242 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12243 self.show_scrollbars = show_scrollbars;
12244 cx.notify();
12245 }
12246
12247 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12248 self.show_line_numbers = Some(show_line_numbers);
12249 cx.notify();
12250 }
12251
12252 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12253 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12254 cx.notify();
12255 }
12256
12257 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12258 self.show_code_actions = Some(show_code_actions);
12259 cx.notify();
12260 }
12261
12262 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12263 self.show_runnables = Some(show_runnables);
12264 cx.notify();
12265 }
12266
12267 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12268 if self.display_map.read(cx).masked != masked {
12269 self.display_map.update(cx, |map, _| map.masked = masked);
12270 }
12271 cx.notify()
12272 }
12273
12274 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12275 self.show_wrap_guides = Some(show_wrap_guides);
12276 cx.notify();
12277 }
12278
12279 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12280 self.show_indent_guides = Some(show_indent_guides);
12281 cx.notify();
12282 }
12283
12284 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12285 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12286 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12287 if let Some(dir) = file.abs_path(cx).parent() {
12288 return Some(dir.to_owned());
12289 }
12290 }
12291
12292 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12293 return Some(project_path.path.to_path_buf());
12294 }
12295 }
12296
12297 None
12298 }
12299
12300 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12301 self.active_excerpt(cx)?
12302 .1
12303 .read(cx)
12304 .file()
12305 .and_then(|f| f.as_local())
12306 }
12307
12308 fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12309 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12310 let project_path = buffer.read(cx).project_path(cx)?;
12311 let project = self.project.as_ref()?.read(cx);
12312 project.absolute_path(&project_path, cx)
12313 })
12314 }
12315
12316 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12317 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12318 let project_path = buffer.read(cx).project_path(cx)?;
12319 let project = self.project.as_ref()?.read(cx);
12320 let entry = project.entry_for_path(&project_path, cx)?;
12321 let path = entry.path.to_path_buf();
12322 Some(path)
12323 })
12324 }
12325
12326 pub fn reveal_in_finder(
12327 &mut self,
12328 _: &RevealInFileManager,
12329 _window: &mut Window,
12330 cx: &mut Context<Self>,
12331 ) {
12332 if let Some(target) = self.target_file(cx) {
12333 cx.reveal_path(&target.abs_path(cx));
12334 }
12335 }
12336
12337 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12338 if let Some(path) = self.target_file_abs_path(cx) {
12339 if let Some(path) = path.to_str() {
12340 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12341 }
12342 }
12343 }
12344
12345 pub fn copy_relative_path(
12346 &mut self,
12347 _: &CopyRelativePath,
12348 _window: &mut Window,
12349 cx: &mut Context<Self>,
12350 ) {
12351 if let Some(path) = self.target_file_path(cx) {
12352 if let Some(path) = path.to_str() {
12353 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12354 }
12355 }
12356 }
12357
12358 pub fn toggle_git_blame(
12359 &mut self,
12360 _: &ToggleGitBlame,
12361 window: &mut Window,
12362 cx: &mut Context<Self>,
12363 ) {
12364 self.show_git_blame_gutter = !self.show_git_blame_gutter;
12365
12366 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
12367 self.start_git_blame(true, window, cx);
12368 }
12369
12370 cx.notify();
12371 }
12372
12373 pub fn toggle_git_blame_inline(
12374 &mut self,
12375 _: &ToggleGitBlameInline,
12376 window: &mut Window,
12377 cx: &mut Context<Self>,
12378 ) {
12379 self.toggle_git_blame_inline_internal(true, window, cx);
12380 cx.notify();
12381 }
12382
12383 pub fn git_blame_inline_enabled(&self) -> bool {
12384 self.git_blame_inline_enabled
12385 }
12386
12387 pub fn toggle_selection_menu(
12388 &mut self,
12389 _: &ToggleSelectionMenu,
12390 _: &mut Window,
12391 cx: &mut Context<Self>,
12392 ) {
12393 self.show_selection_menu = self
12394 .show_selection_menu
12395 .map(|show_selections_menu| !show_selections_menu)
12396 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
12397
12398 cx.notify();
12399 }
12400
12401 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
12402 self.show_selection_menu
12403 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
12404 }
12405
12406 fn start_git_blame(
12407 &mut self,
12408 user_triggered: bool,
12409 window: &mut Window,
12410 cx: &mut Context<Self>,
12411 ) {
12412 if let Some(project) = self.project.as_ref() {
12413 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
12414 return;
12415 };
12416
12417 if buffer.read(cx).file().is_none() {
12418 return;
12419 }
12420
12421 let focused = self.focus_handle(cx).contains_focused(window, cx);
12422
12423 let project = project.clone();
12424 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
12425 self.blame_subscription =
12426 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
12427 self.blame = Some(blame);
12428 }
12429 }
12430
12431 fn toggle_git_blame_inline_internal(
12432 &mut self,
12433 user_triggered: bool,
12434 window: &mut Window,
12435 cx: &mut Context<Self>,
12436 ) {
12437 if self.git_blame_inline_enabled {
12438 self.git_blame_inline_enabled = false;
12439 self.show_git_blame_inline = false;
12440 self.show_git_blame_inline_delay_task.take();
12441 } else {
12442 self.git_blame_inline_enabled = true;
12443 self.start_git_blame_inline(user_triggered, window, cx);
12444 }
12445
12446 cx.notify();
12447 }
12448
12449 fn start_git_blame_inline(
12450 &mut self,
12451 user_triggered: bool,
12452 window: &mut Window,
12453 cx: &mut Context<Self>,
12454 ) {
12455 self.start_git_blame(user_triggered, window, cx);
12456
12457 if ProjectSettings::get_global(cx)
12458 .git
12459 .inline_blame_delay()
12460 .is_some()
12461 {
12462 self.start_inline_blame_timer(window, cx);
12463 } else {
12464 self.show_git_blame_inline = true
12465 }
12466 }
12467
12468 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
12469 self.blame.as_ref()
12470 }
12471
12472 pub fn show_git_blame_gutter(&self) -> bool {
12473 self.show_git_blame_gutter
12474 }
12475
12476 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
12477 self.show_git_blame_gutter && self.has_blame_entries(cx)
12478 }
12479
12480 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
12481 self.show_git_blame_inline
12482 && self.focus_handle.is_focused(window)
12483 && !self.newest_selection_head_on_empty_line(cx)
12484 && self.has_blame_entries(cx)
12485 }
12486
12487 fn has_blame_entries(&self, cx: &App) -> bool {
12488 self.blame()
12489 .map_or(false, |blame| blame.read(cx).has_generated_entries())
12490 }
12491
12492 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
12493 let cursor_anchor = self.selections.newest_anchor().head();
12494
12495 let snapshot = self.buffer.read(cx).snapshot(cx);
12496 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
12497
12498 snapshot.line_len(buffer_row) == 0
12499 }
12500
12501 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
12502 let buffer_and_selection = maybe!({
12503 let selection = self.selections.newest::<Point>(cx);
12504 let selection_range = selection.range();
12505
12506 let multi_buffer = self.buffer().read(cx);
12507 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
12508 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
12509
12510 let (buffer, range, _) = if selection.reversed {
12511 buffer_ranges.first()
12512 } else {
12513 buffer_ranges.last()
12514 }?;
12515
12516 let selection = text::ToPoint::to_point(&range.start, &buffer).row
12517 ..text::ToPoint::to_point(&range.end, &buffer).row;
12518 Some((
12519 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
12520 selection,
12521 ))
12522 });
12523
12524 let Some((buffer, selection)) = buffer_and_selection else {
12525 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
12526 };
12527
12528 let Some(project) = self.project.as_ref() else {
12529 return Task::ready(Err(anyhow!("editor does not have project")));
12530 };
12531
12532 project.update(cx, |project, cx| {
12533 project.get_permalink_to_line(&buffer, selection, cx)
12534 })
12535 }
12536
12537 pub fn copy_permalink_to_line(
12538 &mut self,
12539 _: &CopyPermalinkToLine,
12540 window: &mut Window,
12541 cx: &mut Context<Self>,
12542 ) {
12543 let permalink_task = self.get_permalink_to_line(cx);
12544 let workspace = self.workspace();
12545
12546 cx.spawn_in(window, |_, mut cx| async move {
12547 match permalink_task.await {
12548 Ok(permalink) => {
12549 cx.update(|_, cx| {
12550 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
12551 })
12552 .ok();
12553 }
12554 Err(err) => {
12555 let message = format!("Failed to copy permalink: {err}");
12556
12557 Err::<(), anyhow::Error>(err).log_err();
12558
12559 if let Some(workspace) = workspace {
12560 workspace
12561 .update_in(&mut cx, |workspace, _, cx| {
12562 struct CopyPermalinkToLine;
12563
12564 workspace.show_toast(
12565 Toast::new(
12566 NotificationId::unique::<CopyPermalinkToLine>(),
12567 message,
12568 ),
12569 cx,
12570 )
12571 })
12572 .ok();
12573 }
12574 }
12575 }
12576 })
12577 .detach();
12578 }
12579
12580 pub fn copy_file_location(
12581 &mut self,
12582 _: &CopyFileLocation,
12583 _: &mut Window,
12584 cx: &mut Context<Self>,
12585 ) {
12586 let selection = self.selections.newest::<Point>(cx).start.row + 1;
12587 if let Some(file) = self.target_file(cx) {
12588 if let Some(path) = file.path().to_str() {
12589 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
12590 }
12591 }
12592 }
12593
12594 pub fn open_permalink_to_line(
12595 &mut self,
12596 _: &OpenPermalinkToLine,
12597 window: &mut Window,
12598 cx: &mut Context<Self>,
12599 ) {
12600 let permalink_task = self.get_permalink_to_line(cx);
12601 let workspace = self.workspace();
12602
12603 cx.spawn_in(window, |_, mut cx| async move {
12604 match permalink_task.await {
12605 Ok(permalink) => {
12606 cx.update(|_, cx| {
12607 cx.open_url(permalink.as_ref());
12608 })
12609 .ok();
12610 }
12611 Err(err) => {
12612 let message = format!("Failed to open permalink: {err}");
12613
12614 Err::<(), anyhow::Error>(err).log_err();
12615
12616 if let Some(workspace) = workspace {
12617 workspace
12618 .update(&mut cx, |workspace, cx| {
12619 struct OpenPermalinkToLine;
12620
12621 workspace.show_toast(
12622 Toast::new(
12623 NotificationId::unique::<OpenPermalinkToLine>(),
12624 message,
12625 ),
12626 cx,
12627 )
12628 })
12629 .ok();
12630 }
12631 }
12632 }
12633 })
12634 .detach();
12635 }
12636
12637 pub fn insert_uuid_v4(
12638 &mut self,
12639 _: &InsertUuidV4,
12640 window: &mut Window,
12641 cx: &mut Context<Self>,
12642 ) {
12643 self.insert_uuid(UuidVersion::V4, window, cx);
12644 }
12645
12646 pub fn insert_uuid_v7(
12647 &mut self,
12648 _: &InsertUuidV7,
12649 window: &mut Window,
12650 cx: &mut Context<Self>,
12651 ) {
12652 self.insert_uuid(UuidVersion::V7, window, cx);
12653 }
12654
12655 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
12656 self.transact(window, cx, |this, window, cx| {
12657 let edits = this
12658 .selections
12659 .all::<Point>(cx)
12660 .into_iter()
12661 .map(|selection| {
12662 let uuid = match version {
12663 UuidVersion::V4 => uuid::Uuid::new_v4(),
12664 UuidVersion::V7 => uuid::Uuid::now_v7(),
12665 };
12666
12667 (selection.range(), uuid.to_string())
12668 });
12669 this.edit(edits, cx);
12670 this.refresh_inline_completion(true, false, window, cx);
12671 });
12672 }
12673
12674 pub fn open_selections_in_multibuffer(
12675 &mut self,
12676 _: &OpenSelectionsInMultibuffer,
12677 window: &mut Window,
12678 cx: &mut Context<Self>,
12679 ) {
12680 let multibuffer = self.buffer.read(cx);
12681
12682 let Some(buffer) = multibuffer.as_singleton() else {
12683 return;
12684 };
12685
12686 let Some(workspace) = self.workspace() else {
12687 return;
12688 };
12689
12690 let locations = self
12691 .selections
12692 .disjoint_anchors()
12693 .iter()
12694 .map(|range| Location {
12695 buffer: buffer.clone(),
12696 range: range.start.text_anchor..range.end.text_anchor,
12697 })
12698 .collect::<Vec<_>>();
12699
12700 let title = multibuffer.title(cx).to_string();
12701
12702 cx.spawn_in(window, |_, mut cx| async move {
12703 workspace.update_in(&mut cx, |workspace, window, cx| {
12704 Self::open_locations_in_multibuffer(
12705 workspace,
12706 locations,
12707 format!("Selections for '{title}'"),
12708 false,
12709 MultibufferSelectionMode::All,
12710 window,
12711 cx,
12712 );
12713 })
12714 })
12715 .detach();
12716 }
12717
12718 /// Adds a row highlight for the given range. If a row has multiple highlights, the
12719 /// last highlight added will be used.
12720 ///
12721 /// If the range ends at the beginning of a line, then that line will not be highlighted.
12722 pub fn highlight_rows<T: 'static>(
12723 &mut self,
12724 range: Range<Anchor>,
12725 color: Hsla,
12726 should_autoscroll: bool,
12727 cx: &mut Context<Self>,
12728 ) {
12729 let snapshot = self.buffer().read(cx).snapshot(cx);
12730 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12731 let ix = row_highlights.binary_search_by(|highlight| {
12732 Ordering::Equal
12733 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
12734 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
12735 });
12736
12737 if let Err(mut ix) = ix {
12738 let index = post_inc(&mut self.highlight_order);
12739
12740 // If this range intersects with the preceding highlight, then merge it with
12741 // the preceding highlight. Otherwise insert a new highlight.
12742 let mut merged = false;
12743 if ix > 0 {
12744 let prev_highlight = &mut row_highlights[ix - 1];
12745 if prev_highlight
12746 .range
12747 .end
12748 .cmp(&range.start, &snapshot)
12749 .is_ge()
12750 {
12751 ix -= 1;
12752 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
12753 prev_highlight.range.end = range.end;
12754 }
12755 merged = true;
12756 prev_highlight.index = index;
12757 prev_highlight.color = color;
12758 prev_highlight.should_autoscroll = should_autoscroll;
12759 }
12760 }
12761
12762 if !merged {
12763 row_highlights.insert(
12764 ix,
12765 RowHighlight {
12766 range: range.clone(),
12767 index,
12768 color,
12769 should_autoscroll,
12770 },
12771 );
12772 }
12773
12774 // If any of the following highlights intersect with this one, merge them.
12775 while let Some(next_highlight) = row_highlights.get(ix + 1) {
12776 let highlight = &row_highlights[ix];
12777 if next_highlight
12778 .range
12779 .start
12780 .cmp(&highlight.range.end, &snapshot)
12781 .is_le()
12782 {
12783 if next_highlight
12784 .range
12785 .end
12786 .cmp(&highlight.range.end, &snapshot)
12787 .is_gt()
12788 {
12789 row_highlights[ix].range.end = next_highlight.range.end;
12790 }
12791 row_highlights.remove(ix + 1);
12792 } else {
12793 break;
12794 }
12795 }
12796 }
12797 }
12798
12799 /// Remove any highlighted row ranges of the given type that intersect the
12800 /// given ranges.
12801 pub fn remove_highlighted_rows<T: 'static>(
12802 &mut self,
12803 ranges_to_remove: Vec<Range<Anchor>>,
12804 cx: &mut Context<Self>,
12805 ) {
12806 let snapshot = self.buffer().read(cx).snapshot(cx);
12807 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12808 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
12809 row_highlights.retain(|highlight| {
12810 while let Some(range_to_remove) = ranges_to_remove.peek() {
12811 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
12812 Ordering::Less | Ordering::Equal => {
12813 ranges_to_remove.next();
12814 }
12815 Ordering::Greater => {
12816 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
12817 Ordering::Less | Ordering::Equal => {
12818 return false;
12819 }
12820 Ordering::Greater => break,
12821 }
12822 }
12823 }
12824 }
12825
12826 true
12827 })
12828 }
12829
12830 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
12831 pub fn clear_row_highlights<T: 'static>(&mut self) {
12832 self.highlighted_rows.remove(&TypeId::of::<T>());
12833 }
12834
12835 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
12836 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
12837 self.highlighted_rows
12838 .get(&TypeId::of::<T>())
12839 .map_or(&[] as &[_], |vec| vec.as_slice())
12840 .iter()
12841 .map(|highlight| (highlight.range.clone(), highlight.color))
12842 }
12843
12844 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
12845 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
12846 /// Allows to ignore certain kinds of highlights.
12847 pub fn highlighted_display_rows(
12848 &self,
12849 window: &mut Window,
12850 cx: &mut App,
12851 ) -> BTreeMap<DisplayRow, Hsla> {
12852 let snapshot = self.snapshot(window, cx);
12853 let mut used_highlight_orders = HashMap::default();
12854 self.highlighted_rows
12855 .iter()
12856 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
12857 .fold(
12858 BTreeMap::<DisplayRow, Hsla>::new(),
12859 |mut unique_rows, highlight| {
12860 let start = highlight.range.start.to_display_point(&snapshot);
12861 let end = highlight.range.end.to_display_point(&snapshot);
12862 let start_row = start.row().0;
12863 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
12864 && end.column() == 0
12865 {
12866 end.row().0.saturating_sub(1)
12867 } else {
12868 end.row().0
12869 };
12870 for row in start_row..=end_row {
12871 let used_index =
12872 used_highlight_orders.entry(row).or_insert(highlight.index);
12873 if highlight.index >= *used_index {
12874 *used_index = highlight.index;
12875 unique_rows.insert(DisplayRow(row), highlight.color);
12876 }
12877 }
12878 unique_rows
12879 },
12880 )
12881 }
12882
12883 pub fn highlighted_display_row_for_autoscroll(
12884 &self,
12885 snapshot: &DisplaySnapshot,
12886 ) -> Option<DisplayRow> {
12887 self.highlighted_rows
12888 .values()
12889 .flat_map(|highlighted_rows| highlighted_rows.iter())
12890 .filter_map(|highlight| {
12891 if highlight.should_autoscroll {
12892 Some(highlight.range.start.to_display_point(snapshot).row())
12893 } else {
12894 None
12895 }
12896 })
12897 .min()
12898 }
12899
12900 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
12901 self.highlight_background::<SearchWithinRange>(
12902 ranges,
12903 |colors| colors.editor_document_highlight_read_background,
12904 cx,
12905 )
12906 }
12907
12908 pub fn set_breadcrumb_header(&mut self, new_header: String) {
12909 self.breadcrumb_header = Some(new_header);
12910 }
12911
12912 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
12913 self.clear_background_highlights::<SearchWithinRange>(cx);
12914 }
12915
12916 pub fn highlight_background<T: 'static>(
12917 &mut self,
12918 ranges: &[Range<Anchor>],
12919 color_fetcher: fn(&ThemeColors) -> Hsla,
12920 cx: &mut Context<Self>,
12921 ) {
12922 self.background_highlights
12923 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12924 self.scrollbar_marker_state.dirty = true;
12925 cx.notify();
12926 }
12927
12928 pub fn clear_background_highlights<T: 'static>(
12929 &mut self,
12930 cx: &mut Context<Self>,
12931 ) -> Option<BackgroundHighlight> {
12932 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
12933 if !text_highlights.1.is_empty() {
12934 self.scrollbar_marker_state.dirty = true;
12935 cx.notify();
12936 }
12937 Some(text_highlights)
12938 }
12939
12940 pub fn highlight_gutter<T: 'static>(
12941 &mut self,
12942 ranges: &[Range<Anchor>],
12943 color_fetcher: fn(&App) -> Hsla,
12944 cx: &mut Context<Self>,
12945 ) {
12946 self.gutter_highlights
12947 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12948 cx.notify();
12949 }
12950
12951 pub fn clear_gutter_highlights<T: 'static>(
12952 &mut self,
12953 cx: &mut Context<Self>,
12954 ) -> Option<GutterHighlight> {
12955 cx.notify();
12956 self.gutter_highlights.remove(&TypeId::of::<T>())
12957 }
12958
12959 #[cfg(feature = "test-support")]
12960 pub fn all_text_background_highlights(
12961 &self,
12962 window: &mut Window,
12963 cx: &mut Context<Self>,
12964 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
12965 let snapshot = self.snapshot(window, cx);
12966 let buffer = &snapshot.buffer_snapshot;
12967 let start = buffer.anchor_before(0);
12968 let end = buffer.anchor_after(buffer.len());
12969 let theme = cx.theme().colors();
12970 self.background_highlights_in_range(start..end, &snapshot, theme)
12971 }
12972
12973 #[cfg(feature = "test-support")]
12974 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
12975 let snapshot = self.buffer().read(cx).snapshot(cx);
12976
12977 let highlights = self
12978 .background_highlights
12979 .get(&TypeId::of::<items::BufferSearchHighlights>());
12980
12981 if let Some((_color, ranges)) = highlights {
12982 ranges
12983 .iter()
12984 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
12985 .collect_vec()
12986 } else {
12987 vec![]
12988 }
12989 }
12990
12991 fn document_highlights_for_position<'a>(
12992 &'a self,
12993 position: Anchor,
12994 buffer: &'a MultiBufferSnapshot,
12995 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
12996 let read_highlights = self
12997 .background_highlights
12998 .get(&TypeId::of::<DocumentHighlightRead>())
12999 .map(|h| &h.1);
13000 let write_highlights = self
13001 .background_highlights
13002 .get(&TypeId::of::<DocumentHighlightWrite>())
13003 .map(|h| &h.1);
13004 let left_position = position.bias_left(buffer);
13005 let right_position = position.bias_right(buffer);
13006 read_highlights
13007 .into_iter()
13008 .chain(write_highlights)
13009 .flat_map(move |ranges| {
13010 let start_ix = match ranges.binary_search_by(|probe| {
13011 let cmp = probe.end.cmp(&left_position, buffer);
13012 if cmp.is_ge() {
13013 Ordering::Greater
13014 } else {
13015 Ordering::Less
13016 }
13017 }) {
13018 Ok(i) | Err(i) => i,
13019 };
13020
13021 ranges[start_ix..]
13022 .iter()
13023 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13024 })
13025 }
13026
13027 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13028 self.background_highlights
13029 .get(&TypeId::of::<T>())
13030 .map_or(false, |(_, highlights)| !highlights.is_empty())
13031 }
13032
13033 pub fn background_highlights_in_range(
13034 &self,
13035 search_range: Range<Anchor>,
13036 display_snapshot: &DisplaySnapshot,
13037 theme: &ThemeColors,
13038 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13039 let mut results = Vec::new();
13040 for (color_fetcher, ranges) in self.background_highlights.values() {
13041 let color = color_fetcher(theme);
13042 let start_ix = match ranges.binary_search_by(|probe| {
13043 let cmp = probe
13044 .end
13045 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13046 if cmp.is_gt() {
13047 Ordering::Greater
13048 } else {
13049 Ordering::Less
13050 }
13051 }) {
13052 Ok(i) | Err(i) => i,
13053 };
13054 for range in &ranges[start_ix..] {
13055 if range
13056 .start
13057 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13058 .is_ge()
13059 {
13060 break;
13061 }
13062
13063 let start = range.start.to_display_point(display_snapshot);
13064 let end = range.end.to_display_point(display_snapshot);
13065 results.push((start..end, color))
13066 }
13067 }
13068 results
13069 }
13070
13071 pub fn background_highlight_row_ranges<T: 'static>(
13072 &self,
13073 search_range: Range<Anchor>,
13074 display_snapshot: &DisplaySnapshot,
13075 count: usize,
13076 ) -> Vec<RangeInclusive<DisplayPoint>> {
13077 let mut results = Vec::new();
13078 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13079 return vec![];
13080 };
13081
13082 let start_ix = match ranges.binary_search_by(|probe| {
13083 let cmp = probe
13084 .end
13085 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13086 if cmp.is_gt() {
13087 Ordering::Greater
13088 } else {
13089 Ordering::Less
13090 }
13091 }) {
13092 Ok(i) | Err(i) => i,
13093 };
13094 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13095 if let (Some(start_display), Some(end_display)) = (start, end) {
13096 results.push(
13097 start_display.to_display_point(display_snapshot)
13098 ..=end_display.to_display_point(display_snapshot),
13099 );
13100 }
13101 };
13102 let mut start_row: Option<Point> = None;
13103 let mut end_row: Option<Point> = None;
13104 if ranges.len() > count {
13105 return Vec::new();
13106 }
13107 for range in &ranges[start_ix..] {
13108 if range
13109 .start
13110 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13111 .is_ge()
13112 {
13113 break;
13114 }
13115 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13116 if let Some(current_row) = &end_row {
13117 if end.row == current_row.row {
13118 continue;
13119 }
13120 }
13121 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13122 if start_row.is_none() {
13123 assert_eq!(end_row, None);
13124 start_row = Some(start);
13125 end_row = Some(end);
13126 continue;
13127 }
13128 if let Some(current_end) = end_row.as_mut() {
13129 if start.row > current_end.row + 1 {
13130 push_region(start_row, end_row);
13131 start_row = Some(start);
13132 end_row = Some(end);
13133 } else {
13134 // Merge two hunks.
13135 *current_end = end;
13136 }
13137 } else {
13138 unreachable!();
13139 }
13140 }
13141 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13142 push_region(start_row, end_row);
13143 results
13144 }
13145
13146 pub fn gutter_highlights_in_range(
13147 &self,
13148 search_range: Range<Anchor>,
13149 display_snapshot: &DisplaySnapshot,
13150 cx: &App,
13151 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13152 let mut results = Vec::new();
13153 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13154 let color = color_fetcher(cx);
13155 let start_ix = match ranges.binary_search_by(|probe| {
13156 let cmp = probe
13157 .end
13158 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13159 if cmp.is_gt() {
13160 Ordering::Greater
13161 } else {
13162 Ordering::Less
13163 }
13164 }) {
13165 Ok(i) | Err(i) => i,
13166 };
13167 for range in &ranges[start_ix..] {
13168 if range
13169 .start
13170 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13171 .is_ge()
13172 {
13173 break;
13174 }
13175
13176 let start = range.start.to_display_point(display_snapshot);
13177 let end = range.end.to_display_point(display_snapshot);
13178 results.push((start..end, color))
13179 }
13180 }
13181 results
13182 }
13183
13184 /// Get the text ranges corresponding to the redaction query
13185 pub fn redacted_ranges(
13186 &self,
13187 search_range: Range<Anchor>,
13188 display_snapshot: &DisplaySnapshot,
13189 cx: &App,
13190 ) -> Vec<Range<DisplayPoint>> {
13191 display_snapshot
13192 .buffer_snapshot
13193 .redacted_ranges(search_range, |file| {
13194 if let Some(file) = file {
13195 file.is_private()
13196 && EditorSettings::get(
13197 Some(SettingsLocation {
13198 worktree_id: file.worktree_id(cx),
13199 path: file.path().as_ref(),
13200 }),
13201 cx,
13202 )
13203 .redact_private_values
13204 } else {
13205 false
13206 }
13207 })
13208 .map(|range| {
13209 range.start.to_display_point(display_snapshot)
13210 ..range.end.to_display_point(display_snapshot)
13211 })
13212 .collect()
13213 }
13214
13215 pub fn highlight_text<T: 'static>(
13216 &mut self,
13217 ranges: Vec<Range<Anchor>>,
13218 style: HighlightStyle,
13219 cx: &mut Context<Self>,
13220 ) {
13221 self.display_map.update(cx, |map, _| {
13222 map.highlight_text(TypeId::of::<T>(), ranges, style)
13223 });
13224 cx.notify();
13225 }
13226
13227 pub(crate) fn highlight_inlays<T: 'static>(
13228 &mut self,
13229 highlights: Vec<InlayHighlight>,
13230 style: HighlightStyle,
13231 cx: &mut Context<Self>,
13232 ) {
13233 self.display_map.update(cx, |map, _| {
13234 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13235 });
13236 cx.notify();
13237 }
13238
13239 pub fn text_highlights<'a, T: 'static>(
13240 &'a self,
13241 cx: &'a App,
13242 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13243 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13244 }
13245
13246 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13247 let cleared = self
13248 .display_map
13249 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13250 if cleared {
13251 cx.notify();
13252 }
13253 }
13254
13255 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13256 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13257 && self.focus_handle.is_focused(window)
13258 }
13259
13260 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13261 self.show_cursor_when_unfocused = is_enabled;
13262 cx.notify();
13263 }
13264
13265 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13266 self.project
13267 .as_ref()
13268 .map(|project| project.read(cx).lsp_store())
13269 }
13270
13271 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13272 cx.notify();
13273 }
13274
13275 fn on_buffer_event(
13276 &mut self,
13277 multibuffer: &Entity<MultiBuffer>,
13278 event: &multi_buffer::Event,
13279 window: &mut Window,
13280 cx: &mut Context<Self>,
13281 ) {
13282 match event {
13283 multi_buffer::Event::Edited {
13284 singleton_buffer_edited,
13285 edited_buffer: buffer_edited,
13286 } => {
13287 self.scrollbar_marker_state.dirty = true;
13288 self.active_indent_guides_state.dirty = true;
13289 self.refresh_active_diagnostics(cx);
13290 self.refresh_code_actions(window, cx);
13291 if self.has_active_inline_completion() {
13292 self.update_visible_inline_completion(window, cx);
13293 }
13294 if let Some(buffer) = buffer_edited {
13295 let buffer_id = buffer.read(cx).remote_id();
13296 if !self.registered_buffers.contains_key(&buffer_id) {
13297 if let Some(lsp_store) = self.lsp_store(cx) {
13298 lsp_store.update(cx, |lsp_store, cx| {
13299 self.registered_buffers.insert(
13300 buffer_id,
13301 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13302 );
13303 })
13304 }
13305 }
13306 }
13307 cx.emit(EditorEvent::BufferEdited);
13308 cx.emit(SearchEvent::MatchesInvalidated);
13309 if *singleton_buffer_edited {
13310 if let Some(project) = &self.project {
13311 let project = project.read(cx);
13312 #[allow(clippy::mutable_key_type)]
13313 let languages_affected = multibuffer
13314 .read(cx)
13315 .all_buffers()
13316 .into_iter()
13317 .filter_map(|buffer| {
13318 let buffer = buffer.read(cx);
13319 let language = buffer.language()?;
13320 if project.is_local()
13321 && project
13322 .language_servers_for_local_buffer(buffer, cx)
13323 .count()
13324 == 0
13325 {
13326 None
13327 } else {
13328 Some(language)
13329 }
13330 })
13331 .cloned()
13332 .collect::<HashSet<_>>();
13333 if !languages_affected.is_empty() {
13334 self.refresh_inlay_hints(
13335 InlayHintRefreshReason::BufferEdited(languages_affected),
13336 cx,
13337 );
13338 }
13339 }
13340 }
13341
13342 let Some(project) = &self.project else { return };
13343 let (telemetry, is_via_ssh) = {
13344 let project = project.read(cx);
13345 let telemetry = project.client().telemetry().clone();
13346 let is_via_ssh = project.is_via_ssh();
13347 (telemetry, is_via_ssh)
13348 };
13349 refresh_linked_ranges(self, window, cx);
13350 telemetry.log_edit_event("editor", is_via_ssh);
13351 }
13352 multi_buffer::Event::ExcerptsAdded {
13353 buffer,
13354 predecessor,
13355 excerpts,
13356 } => {
13357 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13358 let buffer_id = buffer.read(cx).remote_id();
13359 if self.buffer.read(cx).change_set_for(buffer_id).is_none() {
13360 if let Some(project) = &self.project {
13361 get_unstaged_changes_for_buffers(
13362 project,
13363 [buffer.clone()],
13364 self.buffer.clone(),
13365 cx,
13366 );
13367 }
13368 }
13369 cx.emit(EditorEvent::ExcerptsAdded {
13370 buffer: buffer.clone(),
13371 predecessor: *predecessor,
13372 excerpts: excerpts.clone(),
13373 });
13374 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13375 }
13376 multi_buffer::Event::ExcerptsRemoved { ids } => {
13377 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
13378 let buffer = self.buffer.read(cx);
13379 self.registered_buffers
13380 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
13381 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
13382 }
13383 multi_buffer::Event::ExcerptsEdited { ids } => {
13384 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
13385 }
13386 multi_buffer::Event::ExcerptsExpanded { ids } => {
13387 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13388 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
13389 }
13390 multi_buffer::Event::Reparsed(buffer_id) => {
13391 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13392
13393 cx.emit(EditorEvent::Reparsed(*buffer_id));
13394 }
13395 multi_buffer::Event::DiffHunksToggled => {
13396 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13397 }
13398 multi_buffer::Event::LanguageChanged(buffer_id) => {
13399 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
13400 cx.emit(EditorEvent::Reparsed(*buffer_id));
13401 cx.notify();
13402 }
13403 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
13404 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
13405 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
13406 cx.emit(EditorEvent::TitleChanged)
13407 }
13408 // multi_buffer::Event::DiffBaseChanged => {
13409 // self.scrollbar_marker_state.dirty = true;
13410 // cx.emit(EditorEvent::DiffBaseChanged);
13411 // cx.notify();
13412 // }
13413 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
13414 multi_buffer::Event::DiagnosticsUpdated => {
13415 self.refresh_active_diagnostics(cx);
13416 self.scrollbar_marker_state.dirty = true;
13417 cx.notify();
13418 }
13419 _ => {}
13420 };
13421 }
13422
13423 fn on_display_map_changed(
13424 &mut self,
13425 _: Entity<DisplayMap>,
13426 _: &mut Window,
13427 cx: &mut Context<Self>,
13428 ) {
13429 cx.notify();
13430 }
13431
13432 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13433 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13434 self.refresh_inline_completion(true, false, window, cx);
13435 self.refresh_inlay_hints(
13436 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
13437 self.selections.newest_anchor().head(),
13438 &self.buffer.read(cx).snapshot(cx),
13439 cx,
13440 )),
13441 cx,
13442 );
13443
13444 let old_cursor_shape = self.cursor_shape;
13445
13446 {
13447 let editor_settings = EditorSettings::get_global(cx);
13448 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
13449 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
13450 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
13451 }
13452
13453 if old_cursor_shape != self.cursor_shape {
13454 cx.emit(EditorEvent::CursorShapeChanged);
13455 }
13456
13457 let project_settings = ProjectSettings::get_global(cx);
13458 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
13459
13460 if self.mode == EditorMode::Full {
13461 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
13462 if self.git_blame_inline_enabled != inline_blame_enabled {
13463 self.toggle_git_blame_inline_internal(false, window, cx);
13464 }
13465 }
13466
13467 cx.notify();
13468 }
13469
13470 pub fn set_searchable(&mut self, searchable: bool) {
13471 self.searchable = searchable;
13472 }
13473
13474 pub fn searchable(&self) -> bool {
13475 self.searchable
13476 }
13477
13478 fn open_proposed_changes_editor(
13479 &mut self,
13480 _: &OpenProposedChangesEditor,
13481 window: &mut Window,
13482 cx: &mut Context<Self>,
13483 ) {
13484 let Some(workspace) = self.workspace() else {
13485 cx.propagate();
13486 return;
13487 };
13488
13489 let selections = self.selections.all::<usize>(cx);
13490 let multi_buffer = self.buffer.read(cx);
13491 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13492 let mut new_selections_by_buffer = HashMap::default();
13493 for selection in selections {
13494 for (buffer, range, _) in
13495 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
13496 {
13497 let mut range = range.to_point(buffer);
13498 range.start.column = 0;
13499 range.end.column = buffer.line_len(range.end.row);
13500 new_selections_by_buffer
13501 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
13502 .or_insert(Vec::new())
13503 .push(range)
13504 }
13505 }
13506
13507 let proposed_changes_buffers = new_selections_by_buffer
13508 .into_iter()
13509 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
13510 .collect::<Vec<_>>();
13511 let proposed_changes_editor = cx.new(|cx| {
13512 ProposedChangesEditor::new(
13513 "Proposed changes",
13514 proposed_changes_buffers,
13515 self.project.clone(),
13516 window,
13517 cx,
13518 )
13519 });
13520
13521 window.defer(cx, move |window, cx| {
13522 workspace.update(cx, |workspace, cx| {
13523 workspace.active_pane().update(cx, |pane, cx| {
13524 pane.add_item(
13525 Box::new(proposed_changes_editor),
13526 true,
13527 true,
13528 None,
13529 window,
13530 cx,
13531 );
13532 });
13533 });
13534 });
13535 }
13536
13537 pub fn open_excerpts_in_split(
13538 &mut self,
13539 _: &OpenExcerptsSplit,
13540 window: &mut Window,
13541 cx: &mut Context<Self>,
13542 ) {
13543 self.open_excerpts_common(None, true, window, cx)
13544 }
13545
13546 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
13547 self.open_excerpts_common(None, false, window, cx)
13548 }
13549
13550 fn open_excerpts_common(
13551 &mut self,
13552 jump_data: Option<JumpData>,
13553 split: bool,
13554 window: &mut Window,
13555 cx: &mut Context<Self>,
13556 ) {
13557 let Some(workspace) = self.workspace() else {
13558 cx.propagate();
13559 return;
13560 };
13561
13562 if self.buffer.read(cx).is_singleton() {
13563 cx.propagate();
13564 return;
13565 }
13566
13567 let mut new_selections_by_buffer = HashMap::default();
13568 match &jump_data {
13569 Some(JumpData::MultiBufferPoint {
13570 excerpt_id,
13571 position,
13572 anchor,
13573 line_offset_from_top,
13574 }) => {
13575 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
13576 if let Some(buffer) = multi_buffer_snapshot
13577 .buffer_id_for_excerpt(*excerpt_id)
13578 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
13579 {
13580 let buffer_snapshot = buffer.read(cx).snapshot();
13581 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
13582 language::ToPoint::to_point(anchor, &buffer_snapshot)
13583 } else {
13584 buffer_snapshot.clip_point(*position, Bias::Left)
13585 };
13586 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
13587 new_selections_by_buffer.insert(
13588 buffer,
13589 (
13590 vec![jump_to_offset..jump_to_offset],
13591 Some(*line_offset_from_top),
13592 ),
13593 );
13594 }
13595 }
13596 Some(JumpData::MultiBufferRow {
13597 row,
13598 line_offset_from_top,
13599 }) => {
13600 let point = MultiBufferPoint::new(row.0, 0);
13601 if let Some((buffer, buffer_point, _)) =
13602 self.buffer.read(cx).point_to_buffer_point(point, cx)
13603 {
13604 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
13605 new_selections_by_buffer
13606 .entry(buffer)
13607 .or_insert((Vec::new(), Some(*line_offset_from_top)))
13608 .0
13609 .push(buffer_offset..buffer_offset)
13610 }
13611 }
13612 None => {
13613 let selections = self.selections.all::<usize>(cx);
13614 let multi_buffer = self.buffer.read(cx);
13615 for selection in selections {
13616 for (buffer, mut range, _) in multi_buffer
13617 .snapshot(cx)
13618 .range_to_buffer_ranges(selection.range())
13619 {
13620 // When editing branch buffers, jump to the corresponding location
13621 // in their base buffer.
13622 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
13623 let buffer = buffer_handle.read(cx);
13624 if let Some(base_buffer) = buffer.base_buffer() {
13625 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
13626 buffer_handle = base_buffer;
13627 }
13628
13629 if selection.reversed {
13630 mem::swap(&mut range.start, &mut range.end);
13631 }
13632 new_selections_by_buffer
13633 .entry(buffer_handle)
13634 .or_insert((Vec::new(), None))
13635 .0
13636 .push(range)
13637 }
13638 }
13639 }
13640 }
13641
13642 if new_selections_by_buffer.is_empty() {
13643 return;
13644 }
13645
13646 // We defer the pane interaction because we ourselves are a workspace item
13647 // and activating a new item causes the pane to call a method on us reentrantly,
13648 // which panics if we're on the stack.
13649 window.defer(cx, move |window, cx| {
13650 workspace.update(cx, |workspace, cx| {
13651 let pane = if split {
13652 workspace.adjacent_pane(window, cx)
13653 } else {
13654 workspace.active_pane().clone()
13655 };
13656
13657 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
13658 let editor = buffer
13659 .read(cx)
13660 .file()
13661 .is_none()
13662 .then(|| {
13663 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
13664 // so `workspace.open_project_item` will never find them, always opening a new editor.
13665 // Instead, we try to activate the existing editor in the pane first.
13666 let (editor, pane_item_index) =
13667 pane.read(cx).items().enumerate().find_map(|(i, item)| {
13668 let editor = item.downcast::<Editor>()?;
13669 let singleton_buffer =
13670 editor.read(cx).buffer().read(cx).as_singleton()?;
13671 if singleton_buffer == buffer {
13672 Some((editor, i))
13673 } else {
13674 None
13675 }
13676 })?;
13677 pane.update(cx, |pane, cx| {
13678 pane.activate_item(pane_item_index, true, true, window, cx)
13679 });
13680 Some(editor)
13681 })
13682 .flatten()
13683 .unwrap_or_else(|| {
13684 workspace.open_project_item::<Self>(
13685 pane.clone(),
13686 buffer,
13687 true,
13688 true,
13689 window,
13690 cx,
13691 )
13692 });
13693
13694 editor.update(cx, |editor, cx| {
13695 let autoscroll = match scroll_offset {
13696 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
13697 None => Autoscroll::newest(),
13698 };
13699 let nav_history = editor.nav_history.take();
13700 editor.change_selections(Some(autoscroll), window, cx, |s| {
13701 s.select_ranges(ranges);
13702 });
13703 editor.nav_history = nav_history;
13704 });
13705 }
13706 })
13707 });
13708 }
13709
13710 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
13711 let snapshot = self.buffer.read(cx).read(cx);
13712 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
13713 Some(
13714 ranges
13715 .iter()
13716 .map(move |range| {
13717 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
13718 })
13719 .collect(),
13720 )
13721 }
13722
13723 fn selection_replacement_ranges(
13724 &self,
13725 range: Range<OffsetUtf16>,
13726 cx: &mut App,
13727 ) -> Vec<Range<OffsetUtf16>> {
13728 let selections = self.selections.all::<OffsetUtf16>(cx);
13729 let newest_selection = selections
13730 .iter()
13731 .max_by_key(|selection| selection.id)
13732 .unwrap();
13733 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
13734 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
13735 let snapshot = self.buffer.read(cx).read(cx);
13736 selections
13737 .into_iter()
13738 .map(|mut selection| {
13739 selection.start.0 =
13740 (selection.start.0 as isize).saturating_add(start_delta) as usize;
13741 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
13742 snapshot.clip_offset_utf16(selection.start, Bias::Left)
13743 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
13744 })
13745 .collect()
13746 }
13747
13748 fn report_editor_event(
13749 &self,
13750 event_type: &'static str,
13751 file_extension: Option<String>,
13752 cx: &App,
13753 ) {
13754 if cfg!(any(test, feature = "test-support")) {
13755 return;
13756 }
13757
13758 let Some(project) = &self.project else { return };
13759
13760 // If None, we are in a file without an extension
13761 let file = self
13762 .buffer
13763 .read(cx)
13764 .as_singleton()
13765 .and_then(|b| b.read(cx).file());
13766 let file_extension = file_extension.or(file
13767 .as_ref()
13768 .and_then(|file| Path::new(file.file_name(cx)).extension())
13769 .and_then(|e| e.to_str())
13770 .map(|a| a.to_string()));
13771
13772 let vim_mode = cx
13773 .global::<SettingsStore>()
13774 .raw_user_settings()
13775 .get("vim_mode")
13776 == Some(&serde_json::Value::Bool(true));
13777
13778 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
13779 == language::language_settings::InlineCompletionProvider::Copilot;
13780 let copilot_enabled_for_language = self
13781 .buffer
13782 .read(cx)
13783 .settings_at(0, cx)
13784 .show_inline_completions;
13785
13786 let project = project.read(cx);
13787 telemetry::event!(
13788 event_type,
13789 file_extension,
13790 vim_mode,
13791 copilot_enabled,
13792 copilot_enabled_for_language,
13793 is_via_ssh = project.is_via_ssh(),
13794 );
13795 }
13796
13797 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
13798 /// with each line being an array of {text, highlight} objects.
13799 fn copy_highlight_json(
13800 &mut self,
13801 _: &CopyHighlightJson,
13802 window: &mut Window,
13803 cx: &mut Context<Self>,
13804 ) {
13805 #[derive(Serialize)]
13806 struct Chunk<'a> {
13807 text: String,
13808 highlight: Option<&'a str>,
13809 }
13810
13811 let snapshot = self.buffer.read(cx).snapshot(cx);
13812 let range = self
13813 .selected_text_range(false, window, cx)
13814 .and_then(|selection| {
13815 if selection.range.is_empty() {
13816 None
13817 } else {
13818 Some(selection.range)
13819 }
13820 })
13821 .unwrap_or_else(|| 0..snapshot.len());
13822
13823 let chunks = snapshot.chunks(range, true);
13824 let mut lines = Vec::new();
13825 let mut line: VecDeque<Chunk> = VecDeque::new();
13826
13827 let Some(style) = self.style.as_ref() else {
13828 return;
13829 };
13830
13831 for chunk in chunks {
13832 let highlight = chunk
13833 .syntax_highlight_id
13834 .and_then(|id| id.name(&style.syntax));
13835 let mut chunk_lines = chunk.text.split('\n').peekable();
13836 while let Some(text) = chunk_lines.next() {
13837 let mut merged_with_last_token = false;
13838 if let Some(last_token) = line.back_mut() {
13839 if last_token.highlight == highlight {
13840 last_token.text.push_str(text);
13841 merged_with_last_token = true;
13842 }
13843 }
13844
13845 if !merged_with_last_token {
13846 line.push_back(Chunk {
13847 text: text.into(),
13848 highlight,
13849 });
13850 }
13851
13852 if chunk_lines.peek().is_some() {
13853 if line.len() > 1 && line.front().unwrap().text.is_empty() {
13854 line.pop_front();
13855 }
13856 if line.len() > 1 && line.back().unwrap().text.is_empty() {
13857 line.pop_back();
13858 }
13859
13860 lines.push(mem::take(&mut line));
13861 }
13862 }
13863 }
13864
13865 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
13866 return;
13867 };
13868 cx.write_to_clipboard(ClipboardItem::new_string(lines));
13869 }
13870
13871 pub fn open_context_menu(
13872 &mut self,
13873 _: &OpenContextMenu,
13874 window: &mut Window,
13875 cx: &mut Context<Self>,
13876 ) {
13877 self.request_autoscroll(Autoscroll::newest(), cx);
13878 let position = self.selections.newest_display(cx).start;
13879 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
13880 }
13881
13882 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
13883 &self.inlay_hint_cache
13884 }
13885
13886 pub fn replay_insert_event(
13887 &mut self,
13888 text: &str,
13889 relative_utf16_range: Option<Range<isize>>,
13890 window: &mut Window,
13891 cx: &mut Context<Self>,
13892 ) {
13893 if !self.input_enabled {
13894 cx.emit(EditorEvent::InputIgnored { text: text.into() });
13895 return;
13896 }
13897 if let Some(relative_utf16_range) = relative_utf16_range {
13898 let selections = self.selections.all::<OffsetUtf16>(cx);
13899 self.change_selections(None, window, cx, |s| {
13900 let new_ranges = selections.into_iter().map(|range| {
13901 let start = OffsetUtf16(
13902 range
13903 .head()
13904 .0
13905 .saturating_add_signed(relative_utf16_range.start),
13906 );
13907 let end = OffsetUtf16(
13908 range
13909 .head()
13910 .0
13911 .saturating_add_signed(relative_utf16_range.end),
13912 );
13913 start..end
13914 });
13915 s.select_ranges(new_ranges);
13916 });
13917 }
13918
13919 self.handle_input(text, window, cx);
13920 }
13921
13922 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
13923 let Some(provider) = self.semantics_provider.as_ref() else {
13924 return false;
13925 };
13926
13927 let mut supports = false;
13928 self.buffer().read(cx).for_each_buffer(|buffer| {
13929 supports |= provider.supports_inlay_hints(buffer, cx);
13930 });
13931 supports
13932 }
13933 pub fn is_focused(&self, window: &mut Window) -> bool {
13934 self.focus_handle.is_focused(window)
13935 }
13936
13937 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13938 cx.emit(EditorEvent::Focused);
13939
13940 if let Some(descendant) = self
13941 .last_focused_descendant
13942 .take()
13943 .and_then(|descendant| descendant.upgrade())
13944 {
13945 window.focus(&descendant);
13946 } else {
13947 if let Some(blame) = self.blame.as_ref() {
13948 blame.update(cx, GitBlame::focus)
13949 }
13950
13951 self.blink_manager.update(cx, BlinkManager::enable);
13952 self.show_cursor_names(window, cx);
13953 self.buffer.update(cx, |buffer, cx| {
13954 buffer.finalize_last_transaction(cx);
13955 if self.leader_peer_id.is_none() {
13956 buffer.set_active_selections(
13957 &self.selections.disjoint_anchors(),
13958 self.selections.line_mode,
13959 self.cursor_shape,
13960 cx,
13961 );
13962 }
13963 });
13964 }
13965 }
13966
13967 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
13968 cx.emit(EditorEvent::FocusedIn)
13969 }
13970
13971 fn handle_focus_out(
13972 &mut self,
13973 event: FocusOutEvent,
13974 _window: &mut Window,
13975 _cx: &mut Context<Self>,
13976 ) {
13977 if event.blurred != self.focus_handle {
13978 self.last_focused_descendant = Some(event.blurred);
13979 }
13980 }
13981
13982 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13983 self.blink_manager.update(cx, BlinkManager::disable);
13984 self.buffer
13985 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
13986
13987 if let Some(blame) = self.blame.as_ref() {
13988 blame.update(cx, GitBlame::blur)
13989 }
13990 if !self.hover_state.focused(window, cx) {
13991 hide_hover(self, cx);
13992 }
13993
13994 self.hide_context_menu(window, cx);
13995 cx.emit(EditorEvent::Blurred);
13996 cx.notify();
13997 }
13998
13999 pub fn register_action<A: Action>(
14000 &mut self,
14001 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14002 ) -> Subscription {
14003 let id = self.next_editor_action_id.post_inc();
14004 let listener = Arc::new(listener);
14005 self.editor_actions.borrow_mut().insert(
14006 id,
14007 Box::new(move |window, _| {
14008 let listener = listener.clone();
14009 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14010 let action = action.downcast_ref().unwrap();
14011 if phase == DispatchPhase::Bubble {
14012 listener(action, window, cx)
14013 }
14014 })
14015 }),
14016 );
14017
14018 let editor_actions = self.editor_actions.clone();
14019 Subscription::new(move || {
14020 editor_actions.borrow_mut().remove(&id);
14021 })
14022 }
14023
14024 pub fn file_header_size(&self) -> u32 {
14025 FILE_HEADER_HEIGHT
14026 }
14027
14028 pub fn revert(
14029 &mut self,
14030 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14031 window: &mut Window,
14032 cx: &mut Context<Self>,
14033 ) {
14034 self.buffer().update(cx, |multi_buffer, cx| {
14035 for (buffer_id, changes) in revert_changes {
14036 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14037 buffer.update(cx, |buffer, cx| {
14038 buffer.edit(
14039 changes.into_iter().map(|(range, text)| {
14040 (range, text.to_string().map(Arc::<str>::from))
14041 }),
14042 None,
14043 cx,
14044 );
14045 });
14046 }
14047 }
14048 });
14049 self.change_selections(None, window, cx, |selections| selections.refresh());
14050 }
14051
14052 pub fn to_pixel_point(
14053 &self,
14054 source: multi_buffer::Anchor,
14055 editor_snapshot: &EditorSnapshot,
14056 window: &mut Window,
14057 ) -> Option<gpui::Point<Pixels>> {
14058 let source_point = source.to_display_point(editor_snapshot);
14059 self.display_to_pixel_point(source_point, editor_snapshot, window)
14060 }
14061
14062 pub fn display_to_pixel_point(
14063 &self,
14064 source: DisplayPoint,
14065 editor_snapshot: &EditorSnapshot,
14066 window: &mut Window,
14067 ) -> Option<gpui::Point<Pixels>> {
14068 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14069 let text_layout_details = self.text_layout_details(window);
14070 let scroll_top = text_layout_details
14071 .scroll_anchor
14072 .scroll_position(editor_snapshot)
14073 .y;
14074
14075 if source.row().as_f32() < scroll_top.floor() {
14076 return None;
14077 }
14078 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14079 let source_y = line_height * (source.row().as_f32() - scroll_top);
14080 Some(gpui::Point::new(source_x, source_y))
14081 }
14082
14083 pub fn has_active_completions_menu(&self) -> bool {
14084 self.context_menu.borrow().as_ref().map_or(false, |menu| {
14085 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14086 })
14087 }
14088
14089 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14090 self.addons
14091 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14092 }
14093
14094 pub fn unregister_addon<T: Addon>(&mut self) {
14095 self.addons.remove(&std::any::TypeId::of::<T>());
14096 }
14097
14098 pub fn addon<T: Addon>(&self) -> Option<&T> {
14099 let type_id = std::any::TypeId::of::<T>();
14100 self.addons
14101 .get(&type_id)
14102 .and_then(|item| item.to_any().downcast_ref::<T>())
14103 }
14104
14105 fn character_size(&self, window: &mut Window) -> gpui::Point<Pixels> {
14106 let text_layout_details = self.text_layout_details(window);
14107 let style = &text_layout_details.editor_style;
14108 let font_id = window.text_system().resolve_font(&style.text.font());
14109 let font_size = style.text.font_size.to_pixels(window.rem_size());
14110 let line_height = style.text.line_height_in_pixels(window.rem_size());
14111
14112 let em_width = window
14113 .text_system()
14114 .typographic_bounds(font_id, font_size, 'm')
14115 .unwrap()
14116 .size
14117 .width;
14118
14119 gpui::Point::new(em_width, line_height)
14120 }
14121}
14122
14123fn get_unstaged_changes_for_buffers(
14124 project: &Entity<Project>,
14125 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14126 buffer: Entity<MultiBuffer>,
14127 cx: &mut App,
14128) {
14129 let mut tasks = Vec::new();
14130 project.update(cx, |project, cx| {
14131 for buffer in buffers {
14132 tasks.push(project.open_unstaged_changes(buffer.clone(), cx))
14133 }
14134 });
14135 cx.spawn(|mut cx| async move {
14136 let change_sets = futures::future::join_all(tasks).await;
14137 buffer
14138 .update(&mut cx, |buffer, cx| {
14139 for change_set in change_sets {
14140 if let Some(change_set) = change_set.log_err() {
14141 buffer.add_change_set(change_set, cx);
14142 }
14143 }
14144 })
14145 .ok();
14146 })
14147 .detach();
14148}
14149
14150fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14151 let tab_size = tab_size.get() as usize;
14152 let mut width = offset;
14153
14154 for ch in text.chars() {
14155 width += if ch == '\t' {
14156 tab_size - (width % tab_size)
14157 } else {
14158 1
14159 };
14160 }
14161
14162 width - offset
14163}
14164
14165#[cfg(test)]
14166mod tests {
14167 use super::*;
14168
14169 #[test]
14170 fn test_string_size_with_expanded_tabs() {
14171 let nz = |val| NonZeroU32::new(val).unwrap();
14172 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14173 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14174 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14175 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14176 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14177 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14178 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14179 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14180 }
14181}
14182
14183/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14184struct WordBreakingTokenizer<'a> {
14185 input: &'a str,
14186}
14187
14188impl<'a> WordBreakingTokenizer<'a> {
14189 fn new(input: &'a str) -> Self {
14190 Self { input }
14191 }
14192}
14193
14194fn is_char_ideographic(ch: char) -> bool {
14195 use unicode_script::Script::*;
14196 use unicode_script::UnicodeScript;
14197 matches!(ch.script(), Han | Tangut | Yi)
14198}
14199
14200fn is_grapheme_ideographic(text: &str) -> bool {
14201 text.chars().any(is_char_ideographic)
14202}
14203
14204fn is_grapheme_whitespace(text: &str) -> bool {
14205 text.chars().any(|x| x.is_whitespace())
14206}
14207
14208fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14209 text.chars().next().map_or(false, |ch| {
14210 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14211 })
14212}
14213
14214#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14215struct WordBreakToken<'a> {
14216 token: &'a str,
14217 grapheme_len: usize,
14218 is_whitespace: bool,
14219}
14220
14221impl<'a> Iterator for WordBreakingTokenizer<'a> {
14222 /// Yields a span, the count of graphemes in the token, and whether it was
14223 /// whitespace. Note that it also breaks at word boundaries.
14224 type Item = WordBreakToken<'a>;
14225
14226 fn next(&mut self) -> Option<Self::Item> {
14227 use unicode_segmentation::UnicodeSegmentation;
14228 if self.input.is_empty() {
14229 return None;
14230 }
14231
14232 let mut iter = self.input.graphemes(true).peekable();
14233 let mut offset = 0;
14234 let mut graphemes = 0;
14235 if let Some(first_grapheme) = iter.next() {
14236 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14237 offset += first_grapheme.len();
14238 graphemes += 1;
14239 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14240 if let Some(grapheme) = iter.peek().copied() {
14241 if should_stay_with_preceding_ideograph(grapheme) {
14242 offset += grapheme.len();
14243 graphemes += 1;
14244 }
14245 }
14246 } else {
14247 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14248 let mut next_word_bound = words.peek().copied();
14249 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14250 next_word_bound = words.next();
14251 }
14252 while let Some(grapheme) = iter.peek().copied() {
14253 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14254 break;
14255 };
14256 if is_grapheme_whitespace(grapheme) != is_whitespace {
14257 break;
14258 };
14259 offset += grapheme.len();
14260 graphemes += 1;
14261 iter.next();
14262 }
14263 }
14264 let token = &self.input[..offset];
14265 self.input = &self.input[offset..];
14266 if is_whitespace {
14267 Some(WordBreakToken {
14268 token: " ",
14269 grapheme_len: 1,
14270 is_whitespace: true,
14271 })
14272 } else {
14273 Some(WordBreakToken {
14274 token,
14275 grapheme_len: graphemes,
14276 is_whitespace: false,
14277 })
14278 }
14279 } else {
14280 None
14281 }
14282 }
14283}
14284
14285#[test]
14286fn test_word_breaking_tokenizer() {
14287 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14288 ("", &[]),
14289 (" ", &[(" ", 1, true)]),
14290 ("Ʒ", &[("Ʒ", 1, false)]),
14291 ("Ǽ", &[("Ǽ", 1, false)]),
14292 ("⋑", &[("⋑", 1, false)]),
14293 ("⋑⋑", &[("⋑⋑", 2, false)]),
14294 (
14295 "原理，进而",
14296 &[
14297 ("原", 1, false),
14298 ("理，", 2, false),
14299 ("进", 1, false),
14300 ("而", 1, false),
14301 ],
14302 ),
14303 (
14304 "hello world",
14305 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14306 ),
14307 (
14308 "hello, world",
14309 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14310 ),
14311 (
14312 " hello world",
14313 &[
14314 (" ", 1, true),
14315 ("hello", 5, false),
14316 (" ", 1, true),
14317 ("world", 5, false),
14318 ],
14319 ),
14320 (
14321 "这是什么 \n 钢笔",
14322 &[
14323 ("这", 1, false),
14324 ("是", 1, false),
14325 ("什", 1, false),
14326 ("么", 1, false),
14327 (" ", 1, true),
14328 ("钢", 1, false),
14329 ("笔", 1, false),
14330 ],
14331 ),
14332 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14333 ];
14334
14335 for (input, result) in tests {
14336 assert_eq!(
14337 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14338 result
14339 .iter()
14340 .copied()
14341 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14342 token,
14343 grapheme_len,
14344 is_whitespace,
14345 })
14346 .collect::<Vec<_>>()
14347 );
14348 }
14349}
14350
14351fn wrap_with_prefix(
14352 line_prefix: String,
14353 unwrapped_text: String,
14354 wrap_column: usize,
14355 tab_size: NonZeroU32,
14356) -> String {
14357 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14358 let mut wrapped_text = String::new();
14359 let mut current_line = line_prefix.clone();
14360
14361 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14362 let mut current_line_len = line_prefix_len;
14363 for WordBreakToken {
14364 token,
14365 grapheme_len,
14366 is_whitespace,
14367 } in tokenizer
14368 {
14369 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
14370 wrapped_text.push_str(current_line.trim_end());
14371 wrapped_text.push('\n');
14372 current_line.truncate(line_prefix.len());
14373 current_line_len = line_prefix_len;
14374 if !is_whitespace {
14375 current_line.push_str(token);
14376 current_line_len += grapheme_len;
14377 }
14378 } else if !is_whitespace {
14379 current_line.push_str(token);
14380 current_line_len += grapheme_len;
14381 } else if current_line_len != line_prefix_len {
14382 current_line.push(' ');
14383 current_line_len += 1;
14384 }
14385 }
14386
14387 if !current_line.is_empty() {
14388 wrapped_text.push_str(¤t_line);
14389 }
14390 wrapped_text
14391}
14392
14393#[test]
14394fn test_wrap_with_prefix() {
14395 assert_eq!(
14396 wrap_with_prefix(
14397 "# ".to_string(),
14398 "abcdefg".to_string(),
14399 4,
14400 NonZeroU32::new(4).unwrap()
14401 ),
14402 "# abcdefg"
14403 );
14404 assert_eq!(
14405 wrap_with_prefix(
14406 "".to_string(),
14407 "\thello world".to_string(),
14408 8,
14409 NonZeroU32::new(4).unwrap()
14410 ),
14411 "hello\nworld"
14412 );
14413 assert_eq!(
14414 wrap_with_prefix(
14415 "// ".to_string(),
14416 "xx \nyy zz aa bb cc".to_string(),
14417 12,
14418 NonZeroU32::new(4).unwrap()
14419 ),
14420 "// xx yy zz\n// aa bb cc"
14421 );
14422 assert_eq!(
14423 wrap_with_prefix(
14424 String::new(),
14425 "这是什么 \n 钢笔".to_string(),
14426 3,
14427 NonZeroU32::new(4).unwrap()
14428 ),
14429 "这是什\n么 钢\n笔"
14430 );
14431}
14432
14433pub trait CollaborationHub {
14434 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
14435 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
14436 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
14437}
14438
14439impl CollaborationHub for Entity<Project> {
14440 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
14441 self.read(cx).collaborators()
14442 }
14443
14444 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
14445 self.read(cx).user_store().read(cx).participant_indices()
14446 }
14447
14448 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
14449 let this = self.read(cx);
14450 let user_ids = this.collaborators().values().map(|c| c.user_id);
14451 this.user_store().read_with(cx, |user_store, cx| {
14452 user_store.participant_names(user_ids, cx)
14453 })
14454 }
14455}
14456
14457pub trait SemanticsProvider {
14458 fn hover(
14459 &self,
14460 buffer: &Entity<Buffer>,
14461 position: text::Anchor,
14462 cx: &mut App,
14463 ) -> Option<Task<Vec<project::Hover>>>;
14464
14465 fn inlay_hints(
14466 &self,
14467 buffer_handle: Entity<Buffer>,
14468 range: Range<text::Anchor>,
14469 cx: &mut App,
14470 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
14471
14472 fn resolve_inlay_hint(
14473 &self,
14474 hint: InlayHint,
14475 buffer_handle: Entity<Buffer>,
14476 server_id: LanguageServerId,
14477 cx: &mut App,
14478 ) -> Option<Task<anyhow::Result<InlayHint>>>;
14479
14480 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
14481
14482 fn document_highlights(
14483 &self,
14484 buffer: &Entity<Buffer>,
14485 position: text::Anchor,
14486 cx: &mut App,
14487 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
14488
14489 fn definitions(
14490 &self,
14491 buffer: &Entity<Buffer>,
14492 position: text::Anchor,
14493 kind: GotoDefinitionKind,
14494 cx: &mut App,
14495 ) -> Option<Task<Result<Vec<LocationLink>>>>;
14496
14497 fn range_for_rename(
14498 &self,
14499 buffer: &Entity<Buffer>,
14500 position: text::Anchor,
14501 cx: &mut App,
14502 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
14503
14504 fn perform_rename(
14505 &self,
14506 buffer: &Entity<Buffer>,
14507 position: text::Anchor,
14508 new_name: String,
14509 cx: &mut App,
14510 ) -> Option<Task<Result<ProjectTransaction>>>;
14511}
14512
14513pub trait CompletionProvider {
14514 fn completions(
14515 &self,
14516 buffer: &Entity<Buffer>,
14517 buffer_position: text::Anchor,
14518 trigger: CompletionContext,
14519 window: &mut Window,
14520 cx: &mut Context<Editor>,
14521 ) -> Task<Result<Vec<Completion>>>;
14522
14523 fn resolve_completions(
14524 &self,
14525 buffer: Entity<Buffer>,
14526 completion_indices: Vec<usize>,
14527 completions: Rc<RefCell<Box<[Completion]>>>,
14528 cx: &mut Context<Editor>,
14529 ) -> Task<Result<bool>>;
14530
14531 fn apply_additional_edits_for_completion(
14532 &self,
14533 _buffer: Entity<Buffer>,
14534 _completions: Rc<RefCell<Box<[Completion]>>>,
14535 _completion_index: usize,
14536 _push_to_history: bool,
14537 _cx: &mut Context<Editor>,
14538 ) -> Task<Result<Option<language::Transaction>>> {
14539 Task::ready(Ok(None))
14540 }
14541
14542 fn is_completion_trigger(
14543 &self,
14544 buffer: &Entity<Buffer>,
14545 position: language::Anchor,
14546 text: &str,
14547 trigger_in_words: bool,
14548 cx: &mut Context<Editor>,
14549 ) -> bool;
14550
14551 fn sort_completions(&self) -> bool {
14552 true
14553 }
14554}
14555
14556pub trait CodeActionProvider {
14557 fn id(&self) -> Arc<str>;
14558
14559 fn code_actions(
14560 &self,
14561 buffer: &Entity<Buffer>,
14562 range: Range<text::Anchor>,
14563 window: &mut Window,
14564 cx: &mut App,
14565 ) -> Task<Result<Vec<CodeAction>>>;
14566
14567 fn apply_code_action(
14568 &self,
14569 buffer_handle: Entity<Buffer>,
14570 action: CodeAction,
14571 excerpt_id: ExcerptId,
14572 push_to_history: bool,
14573 window: &mut Window,
14574 cx: &mut App,
14575 ) -> Task<Result<ProjectTransaction>>;
14576}
14577
14578impl CodeActionProvider for Entity<Project> {
14579 fn id(&self) -> Arc<str> {
14580 "project".into()
14581 }
14582
14583 fn code_actions(
14584 &self,
14585 buffer: &Entity<Buffer>,
14586 range: Range<text::Anchor>,
14587 _window: &mut Window,
14588 cx: &mut App,
14589 ) -> Task<Result<Vec<CodeAction>>> {
14590 self.update(cx, |project, cx| {
14591 project.code_actions(buffer, range, None, cx)
14592 })
14593 }
14594
14595 fn apply_code_action(
14596 &self,
14597 buffer_handle: Entity<Buffer>,
14598 action: CodeAction,
14599 _excerpt_id: ExcerptId,
14600 push_to_history: bool,
14601 _window: &mut Window,
14602 cx: &mut App,
14603 ) -> Task<Result<ProjectTransaction>> {
14604 self.update(cx, |project, cx| {
14605 project.apply_code_action(buffer_handle, action, push_to_history, cx)
14606 })
14607 }
14608}
14609
14610fn snippet_completions(
14611 project: &Project,
14612 buffer: &Entity<Buffer>,
14613 buffer_position: text::Anchor,
14614 cx: &mut App,
14615) -> Task<Result<Vec<Completion>>> {
14616 let language = buffer.read(cx).language_at(buffer_position);
14617 let language_name = language.as_ref().map(|language| language.lsp_id());
14618 let snippet_store = project.snippets().read(cx);
14619 let snippets = snippet_store.snippets_for(language_name, cx);
14620
14621 if snippets.is_empty() {
14622 return Task::ready(Ok(vec![]));
14623 }
14624 let snapshot = buffer.read(cx).text_snapshot();
14625 let chars: String = snapshot
14626 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
14627 .collect();
14628
14629 let scope = language.map(|language| language.default_scope());
14630 let executor = cx.background_executor().clone();
14631
14632 cx.background_executor().spawn(async move {
14633 let classifier = CharClassifier::new(scope).for_completion(true);
14634 let mut last_word = chars
14635 .chars()
14636 .take_while(|c| classifier.is_word(*c))
14637 .collect::<String>();
14638 last_word = last_word.chars().rev().collect();
14639
14640 if last_word.is_empty() {
14641 return Ok(vec![]);
14642 }
14643
14644 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
14645 let to_lsp = |point: &text::Anchor| {
14646 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
14647 point_to_lsp(end)
14648 };
14649 let lsp_end = to_lsp(&buffer_position);
14650
14651 let candidates = snippets
14652 .iter()
14653 .enumerate()
14654 .flat_map(|(ix, snippet)| {
14655 snippet
14656 .prefix
14657 .iter()
14658 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
14659 })
14660 .collect::<Vec<StringMatchCandidate>>();
14661
14662 let mut matches = fuzzy::match_strings(
14663 &candidates,
14664 &last_word,
14665 last_word.chars().any(|c| c.is_uppercase()),
14666 100,
14667 &Default::default(),
14668 executor,
14669 )
14670 .await;
14671
14672 // Remove all candidates where the query's start does not match the start of any word in the candidate
14673 if let Some(query_start) = last_word.chars().next() {
14674 matches.retain(|string_match| {
14675 split_words(&string_match.string).any(|word| {
14676 // Check that the first codepoint of the word as lowercase matches the first
14677 // codepoint of the query as lowercase
14678 word.chars()
14679 .flat_map(|codepoint| codepoint.to_lowercase())
14680 .zip(query_start.to_lowercase())
14681 .all(|(word_cp, query_cp)| word_cp == query_cp)
14682 })
14683 });
14684 }
14685
14686 let matched_strings = matches
14687 .into_iter()
14688 .map(|m| m.string)
14689 .collect::<HashSet<_>>();
14690
14691 let result: Vec<Completion> = snippets
14692 .into_iter()
14693 .filter_map(|snippet| {
14694 let matching_prefix = snippet
14695 .prefix
14696 .iter()
14697 .find(|prefix| matched_strings.contains(*prefix))?;
14698 let start = as_offset - last_word.len();
14699 let start = snapshot.anchor_before(start);
14700 let range = start..buffer_position;
14701 let lsp_start = to_lsp(&start);
14702 let lsp_range = lsp::Range {
14703 start: lsp_start,
14704 end: lsp_end,
14705 };
14706 Some(Completion {
14707 old_range: range,
14708 new_text: snippet.body.clone(),
14709 resolved: false,
14710 label: CodeLabel {
14711 text: matching_prefix.clone(),
14712 runs: vec![],
14713 filter_range: 0..matching_prefix.len(),
14714 },
14715 server_id: LanguageServerId(usize::MAX),
14716 documentation: snippet.description.clone().map(Documentation::SingleLine),
14717 lsp_completion: lsp::CompletionItem {
14718 label: snippet.prefix.first().unwrap().clone(),
14719 kind: Some(CompletionItemKind::SNIPPET),
14720 label_details: snippet.description.as_ref().map(|description| {
14721 lsp::CompletionItemLabelDetails {
14722 detail: Some(description.clone()),
14723 description: None,
14724 }
14725 }),
14726 insert_text_format: Some(InsertTextFormat::SNIPPET),
14727 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
14728 lsp::InsertReplaceEdit {
14729 new_text: snippet.body.clone(),
14730 insert: lsp_range,
14731 replace: lsp_range,
14732 },
14733 )),
14734 filter_text: Some(snippet.body.clone()),
14735 sort_text: Some(char::MAX.to_string()),
14736 ..Default::default()
14737 },
14738 confirm: None,
14739 })
14740 })
14741 .collect();
14742
14743 Ok(result)
14744 })
14745}
14746
14747impl CompletionProvider for Entity<Project> {
14748 fn completions(
14749 &self,
14750 buffer: &Entity<Buffer>,
14751 buffer_position: text::Anchor,
14752 options: CompletionContext,
14753 _window: &mut Window,
14754 cx: &mut Context<Editor>,
14755 ) -> Task<Result<Vec<Completion>>> {
14756 self.update(cx, |project, cx| {
14757 let snippets = snippet_completions(project, buffer, buffer_position, cx);
14758 let project_completions = project.completions(buffer, buffer_position, options, cx);
14759 cx.background_executor().spawn(async move {
14760 let mut completions = project_completions.await?;
14761 let snippets_completions = snippets.await?;
14762 completions.extend(snippets_completions);
14763 Ok(completions)
14764 })
14765 })
14766 }
14767
14768 fn resolve_completions(
14769 &self,
14770 buffer: Entity<Buffer>,
14771 completion_indices: Vec<usize>,
14772 completions: Rc<RefCell<Box<[Completion]>>>,
14773 cx: &mut Context<Editor>,
14774 ) -> Task<Result<bool>> {
14775 self.update(cx, |project, cx| {
14776 project.lsp_store().update(cx, |lsp_store, cx| {
14777 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
14778 })
14779 })
14780 }
14781
14782 fn apply_additional_edits_for_completion(
14783 &self,
14784 buffer: Entity<Buffer>,
14785 completions: Rc<RefCell<Box<[Completion]>>>,
14786 completion_index: usize,
14787 push_to_history: bool,
14788 cx: &mut Context<Editor>,
14789 ) -> Task<Result<Option<language::Transaction>>> {
14790 self.update(cx, |project, cx| {
14791 project.lsp_store().update(cx, |lsp_store, cx| {
14792 lsp_store.apply_additional_edits_for_completion(
14793 buffer,
14794 completions,
14795 completion_index,
14796 push_to_history,
14797 cx,
14798 )
14799 })
14800 })
14801 }
14802
14803 fn is_completion_trigger(
14804 &self,
14805 buffer: &Entity<Buffer>,
14806 position: language::Anchor,
14807 text: &str,
14808 trigger_in_words: bool,
14809 cx: &mut Context<Editor>,
14810 ) -> bool {
14811 let mut chars = text.chars();
14812 let char = if let Some(char) = chars.next() {
14813 char
14814 } else {
14815 return false;
14816 };
14817 if chars.next().is_some() {
14818 return false;
14819 }
14820
14821 let buffer = buffer.read(cx);
14822 let snapshot = buffer.snapshot();
14823 if !snapshot.settings_at(position, cx).show_completions_on_input {
14824 return false;
14825 }
14826 let classifier = snapshot.char_classifier_at(position).for_completion(true);
14827 if trigger_in_words && classifier.is_word(char) {
14828 return true;
14829 }
14830
14831 buffer.completion_triggers().contains(text)
14832 }
14833}
14834
14835impl SemanticsProvider for Entity<Project> {
14836 fn hover(
14837 &self,
14838 buffer: &Entity<Buffer>,
14839 position: text::Anchor,
14840 cx: &mut App,
14841 ) -> Option<Task<Vec<project::Hover>>> {
14842 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
14843 }
14844
14845 fn document_highlights(
14846 &self,
14847 buffer: &Entity<Buffer>,
14848 position: text::Anchor,
14849 cx: &mut App,
14850 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
14851 Some(self.update(cx, |project, cx| {
14852 project.document_highlights(buffer, position, cx)
14853 }))
14854 }
14855
14856 fn definitions(
14857 &self,
14858 buffer: &Entity<Buffer>,
14859 position: text::Anchor,
14860 kind: GotoDefinitionKind,
14861 cx: &mut App,
14862 ) -> Option<Task<Result<Vec<LocationLink>>>> {
14863 Some(self.update(cx, |project, cx| match kind {
14864 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
14865 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
14866 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
14867 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
14868 }))
14869 }
14870
14871 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
14872 // TODO: make this work for remote projects
14873 self.read(cx)
14874 .language_servers_for_local_buffer(buffer.read(cx), cx)
14875 .any(
14876 |(_, server)| match server.capabilities().inlay_hint_provider {
14877 Some(lsp::OneOf::Left(enabled)) => enabled,
14878 Some(lsp::OneOf::Right(_)) => true,
14879 None => false,
14880 },
14881 )
14882 }
14883
14884 fn inlay_hints(
14885 &self,
14886 buffer_handle: Entity<Buffer>,
14887 range: Range<text::Anchor>,
14888 cx: &mut App,
14889 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
14890 Some(self.update(cx, |project, cx| {
14891 project.inlay_hints(buffer_handle, range, cx)
14892 }))
14893 }
14894
14895 fn resolve_inlay_hint(
14896 &self,
14897 hint: InlayHint,
14898 buffer_handle: Entity<Buffer>,
14899 server_id: LanguageServerId,
14900 cx: &mut App,
14901 ) -> Option<Task<anyhow::Result<InlayHint>>> {
14902 Some(self.update(cx, |project, cx| {
14903 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
14904 }))
14905 }
14906
14907 fn range_for_rename(
14908 &self,
14909 buffer: &Entity<Buffer>,
14910 position: text::Anchor,
14911 cx: &mut App,
14912 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
14913 Some(self.update(cx, |project, cx| {
14914 let buffer = buffer.clone();
14915 let task = project.prepare_rename(buffer.clone(), position, cx);
14916 cx.spawn(|_, mut cx| async move {
14917 Ok(match task.await? {
14918 PrepareRenameResponse::Success(range) => Some(range),
14919 PrepareRenameResponse::InvalidPosition => None,
14920 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
14921 // Fallback on using TreeSitter info to determine identifier range
14922 buffer.update(&mut cx, |buffer, _| {
14923 let snapshot = buffer.snapshot();
14924 let (range, kind) = snapshot.surrounding_word(position);
14925 if kind != Some(CharKind::Word) {
14926 return None;
14927 }
14928 Some(
14929 snapshot.anchor_before(range.start)
14930 ..snapshot.anchor_after(range.end),
14931 )
14932 })?
14933 }
14934 })
14935 })
14936 }))
14937 }
14938
14939 fn perform_rename(
14940 &self,
14941 buffer: &Entity<Buffer>,
14942 position: text::Anchor,
14943 new_name: String,
14944 cx: &mut App,
14945 ) -> Option<Task<Result<ProjectTransaction>>> {
14946 Some(self.update(cx, |project, cx| {
14947 project.perform_rename(buffer.clone(), position, new_name, cx)
14948 }))
14949 }
14950}
14951
14952fn inlay_hint_settings(
14953 location: Anchor,
14954 snapshot: &MultiBufferSnapshot,
14955 cx: &mut Context<Editor>,
14956) -> InlayHintSettings {
14957 let file = snapshot.file_at(location);
14958 let language = snapshot.language_at(location).map(|l| l.name());
14959 language_settings(language, file, cx).inlay_hints
14960}
14961
14962fn consume_contiguous_rows(
14963 contiguous_row_selections: &mut Vec<Selection<Point>>,
14964 selection: &Selection<Point>,
14965 display_map: &DisplaySnapshot,
14966 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
14967) -> (MultiBufferRow, MultiBufferRow) {
14968 contiguous_row_selections.push(selection.clone());
14969 let start_row = MultiBufferRow(selection.start.row);
14970 let mut end_row = ending_row(selection, display_map);
14971
14972 while let Some(next_selection) = selections.peek() {
14973 if next_selection.start.row <= end_row.0 {
14974 end_row = ending_row(next_selection, display_map);
14975 contiguous_row_selections.push(selections.next().unwrap().clone());
14976 } else {
14977 break;
14978 }
14979 }
14980 (start_row, end_row)
14981}
14982
14983fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
14984 if next_selection.end.column > 0 || next_selection.is_empty() {
14985 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
14986 } else {
14987 MultiBufferRow(next_selection.end.row)
14988 }
14989}
14990
14991impl EditorSnapshot {
14992 pub fn remote_selections_in_range<'a>(
14993 &'a self,
14994 range: &'a Range<Anchor>,
14995 collaboration_hub: &dyn CollaborationHub,
14996 cx: &'a App,
14997 ) -> impl 'a + Iterator<Item = RemoteSelection> {
14998 let participant_names = collaboration_hub.user_names(cx);
14999 let participant_indices = collaboration_hub.user_participant_indices(cx);
15000 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15001 let collaborators_by_replica_id = collaborators_by_peer_id
15002 .iter()
15003 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15004 .collect::<HashMap<_, _>>();
15005 self.buffer_snapshot
15006 .selections_in_range(range, false)
15007 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15008 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15009 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15010 let user_name = participant_names.get(&collaborator.user_id).cloned();
15011 Some(RemoteSelection {
15012 replica_id,
15013 selection,
15014 cursor_shape,
15015 line_mode,
15016 participant_index,
15017 peer_id: collaborator.peer_id,
15018 user_name,
15019 })
15020 })
15021 }
15022
15023 pub fn hunks_for_ranges(
15024 &self,
15025 ranges: impl Iterator<Item = Range<Point>>,
15026 ) -> Vec<MultiBufferDiffHunk> {
15027 let mut hunks = Vec::new();
15028 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15029 HashMap::default();
15030 for query_range in ranges {
15031 let query_rows =
15032 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15033 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15034 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15035 ) {
15036 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15037 // when the caret is just above or just below the deleted hunk.
15038 let allow_adjacent = hunk.status() == DiffHunkStatus::Removed;
15039 let related_to_selection = if allow_adjacent {
15040 hunk.row_range.overlaps(&query_rows)
15041 || hunk.row_range.start == query_rows.end
15042 || hunk.row_range.end == query_rows.start
15043 } else {
15044 hunk.row_range.overlaps(&query_rows)
15045 };
15046 if related_to_selection {
15047 if !processed_buffer_rows
15048 .entry(hunk.buffer_id)
15049 .or_default()
15050 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15051 {
15052 continue;
15053 }
15054 hunks.push(hunk);
15055 }
15056 }
15057 }
15058
15059 hunks
15060 }
15061
15062 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15063 self.display_snapshot.buffer_snapshot.language_at(position)
15064 }
15065
15066 pub fn is_focused(&self) -> bool {
15067 self.is_focused
15068 }
15069
15070 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15071 self.placeholder_text.as_ref()
15072 }
15073
15074 pub fn scroll_position(&self) -> gpui::Point<f32> {
15075 self.scroll_anchor.scroll_position(&self.display_snapshot)
15076 }
15077
15078 fn gutter_dimensions(
15079 &self,
15080 font_id: FontId,
15081 font_size: Pixels,
15082 em_width: Pixels,
15083 em_advance: Pixels,
15084 max_line_number_width: Pixels,
15085 cx: &App,
15086 ) -> GutterDimensions {
15087 if !self.show_gutter {
15088 return GutterDimensions::default();
15089 }
15090 let descent = cx.text_system().descent(font_id, font_size);
15091
15092 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15093 matches!(
15094 ProjectSettings::get_global(cx).git.git_gutter,
15095 Some(GitGutterSetting::TrackedFiles)
15096 )
15097 });
15098 let gutter_settings = EditorSettings::get_global(cx).gutter;
15099 let show_line_numbers = self
15100 .show_line_numbers
15101 .unwrap_or(gutter_settings.line_numbers);
15102 let line_gutter_width = if show_line_numbers {
15103 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15104 let min_width_for_number_on_gutter = em_advance * 4.0;
15105 max_line_number_width.max(min_width_for_number_on_gutter)
15106 } else {
15107 0.0.into()
15108 };
15109
15110 let show_code_actions = self
15111 .show_code_actions
15112 .unwrap_or(gutter_settings.code_actions);
15113
15114 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15115
15116 let git_blame_entries_width =
15117 self.git_blame_gutter_max_author_length
15118 .map(|max_author_length| {
15119 // Length of the author name, but also space for the commit hash,
15120 // the spacing and the timestamp.
15121 let max_char_count = max_author_length
15122 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15123 + 7 // length of commit sha
15124 + 14 // length of max relative timestamp ("60 minutes ago")
15125 + 4; // gaps and margins
15126
15127 em_advance * max_char_count
15128 });
15129
15130 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15131 left_padding += if show_code_actions || show_runnables {
15132 em_width * 3.0
15133 } else if show_git_gutter && show_line_numbers {
15134 em_width * 2.0
15135 } else if show_git_gutter || show_line_numbers {
15136 em_width
15137 } else {
15138 px(0.)
15139 };
15140
15141 let right_padding = if gutter_settings.folds && show_line_numbers {
15142 em_width * 4.0
15143 } else if gutter_settings.folds {
15144 em_width * 3.0
15145 } else if show_line_numbers {
15146 em_width
15147 } else {
15148 px(0.)
15149 };
15150
15151 GutterDimensions {
15152 left_padding,
15153 right_padding,
15154 width: line_gutter_width + left_padding + right_padding,
15155 margin: -descent,
15156 git_blame_entries_width,
15157 }
15158 }
15159
15160 pub fn render_crease_toggle(
15161 &self,
15162 buffer_row: MultiBufferRow,
15163 row_contains_cursor: bool,
15164 editor: Entity<Editor>,
15165 window: &mut Window,
15166 cx: &mut App,
15167 ) -> Option<AnyElement> {
15168 let folded = self.is_line_folded(buffer_row);
15169 let mut is_foldable = false;
15170
15171 if let Some(crease) = self
15172 .crease_snapshot
15173 .query_row(buffer_row, &self.buffer_snapshot)
15174 {
15175 is_foldable = true;
15176 match crease {
15177 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15178 if let Some(render_toggle) = render_toggle {
15179 let toggle_callback =
15180 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15181 if folded {
15182 editor.update(cx, |editor, cx| {
15183 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15184 });
15185 } else {
15186 editor.update(cx, |editor, cx| {
15187 editor.unfold_at(
15188 &crate::UnfoldAt { buffer_row },
15189 window,
15190 cx,
15191 )
15192 });
15193 }
15194 });
15195 return Some((render_toggle)(
15196 buffer_row,
15197 folded,
15198 toggle_callback,
15199 window,
15200 cx,
15201 ));
15202 }
15203 }
15204 }
15205 }
15206
15207 is_foldable |= self.starts_indent(buffer_row);
15208
15209 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15210 Some(
15211 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15212 .toggle_state(folded)
15213 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15214 if folded {
15215 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15216 } else {
15217 this.fold_at(&FoldAt { buffer_row }, window, cx);
15218 }
15219 }))
15220 .into_any_element(),
15221 )
15222 } else {
15223 None
15224 }
15225 }
15226
15227 pub fn render_crease_trailer(
15228 &self,
15229 buffer_row: MultiBufferRow,
15230 window: &mut Window,
15231 cx: &mut App,
15232 ) -> Option<AnyElement> {
15233 let folded = self.is_line_folded(buffer_row);
15234 if let Crease::Inline { render_trailer, .. } = self
15235 .crease_snapshot
15236 .query_row(buffer_row, &self.buffer_snapshot)?
15237 {
15238 let render_trailer = render_trailer.as_ref()?;
15239 Some(render_trailer(buffer_row, folded, window, cx))
15240 } else {
15241 None
15242 }
15243 }
15244}
15245
15246impl Deref for EditorSnapshot {
15247 type Target = DisplaySnapshot;
15248
15249 fn deref(&self) -> &Self::Target {
15250 &self.display_snapshot
15251 }
15252}
15253
15254#[derive(Clone, Debug, PartialEq, Eq)]
15255pub enum EditorEvent {
15256 InputIgnored {
15257 text: Arc<str>,
15258 },
15259 InputHandled {
15260 utf16_range_to_replace: Option<Range<isize>>,
15261 text: Arc<str>,
15262 },
15263 ExcerptsAdded {
15264 buffer: Entity<Buffer>,
15265 predecessor: ExcerptId,
15266 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15267 },
15268 ExcerptsRemoved {
15269 ids: Vec<ExcerptId>,
15270 },
15271 BufferFoldToggled {
15272 ids: Vec<ExcerptId>,
15273 folded: bool,
15274 },
15275 ExcerptsEdited {
15276 ids: Vec<ExcerptId>,
15277 },
15278 ExcerptsExpanded {
15279 ids: Vec<ExcerptId>,
15280 },
15281 BufferEdited,
15282 Edited {
15283 transaction_id: clock::Lamport,
15284 },
15285 Reparsed(BufferId),
15286 Focused,
15287 FocusedIn,
15288 Blurred,
15289 DirtyChanged,
15290 Saved,
15291 TitleChanged,
15292 DiffBaseChanged,
15293 SelectionsChanged {
15294 local: bool,
15295 },
15296 ScrollPositionChanged {
15297 local: bool,
15298 autoscroll: bool,
15299 },
15300 Closed,
15301 TransactionUndone {
15302 transaction_id: clock::Lamport,
15303 },
15304 TransactionBegun {
15305 transaction_id: clock::Lamport,
15306 },
15307 Reloaded,
15308 CursorShapeChanged,
15309}
15310
15311impl EventEmitter<EditorEvent> for Editor {}
15312
15313impl Focusable for Editor {
15314 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15315 self.focus_handle.clone()
15316 }
15317}
15318
15319impl Render for Editor {
15320 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15321 let settings = ThemeSettings::get_global(cx);
15322
15323 let mut text_style = match self.mode {
15324 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15325 color: cx.theme().colors().editor_foreground,
15326 font_family: settings.ui_font.family.clone(),
15327 font_features: settings.ui_font.features.clone(),
15328 font_fallbacks: settings.ui_font.fallbacks.clone(),
15329 font_size: rems(0.875).into(),
15330 font_weight: settings.ui_font.weight,
15331 line_height: relative(settings.buffer_line_height.value()),
15332 ..Default::default()
15333 },
15334 EditorMode::Full => TextStyle {
15335 color: cx.theme().colors().editor_foreground,
15336 font_family: settings.buffer_font.family.clone(),
15337 font_features: settings.buffer_font.features.clone(),
15338 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15339 font_size: settings.buffer_font_size().into(),
15340 font_weight: settings.buffer_font.weight,
15341 line_height: relative(settings.buffer_line_height.value()),
15342 ..Default::default()
15343 },
15344 };
15345 if let Some(text_style_refinement) = &self.text_style_refinement {
15346 text_style.refine(text_style_refinement)
15347 }
15348
15349 let background = match self.mode {
15350 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15351 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15352 EditorMode::Full => cx.theme().colors().editor_background,
15353 };
15354
15355 EditorElement::new(
15356 &cx.entity(),
15357 EditorStyle {
15358 background,
15359 local_player: cx.theme().players().local(),
15360 text: text_style,
15361 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
15362 syntax: cx.theme().syntax().clone(),
15363 status: cx.theme().status().clone(),
15364 inlay_hints_style: make_inlay_hints_style(cx),
15365 inline_completion_styles: make_suggestion_styles(cx),
15366 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
15367 },
15368 )
15369 }
15370}
15371
15372impl EntityInputHandler for Editor {
15373 fn text_for_range(
15374 &mut self,
15375 range_utf16: Range<usize>,
15376 adjusted_range: &mut Option<Range<usize>>,
15377 _: &mut Window,
15378 cx: &mut Context<Self>,
15379 ) -> Option<String> {
15380 let snapshot = self.buffer.read(cx).read(cx);
15381 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
15382 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
15383 if (start.0..end.0) != range_utf16 {
15384 adjusted_range.replace(start.0..end.0);
15385 }
15386 Some(snapshot.text_for_range(start..end).collect())
15387 }
15388
15389 fn selected_text_range(
15390 &mut self,
15391 ignore_disabled_input: bool,
15392 _: &mut Window,
15393 cx: &mut Context<Self>,
15394 ) -> Option<UTF16Selection> {
15395 // Prevent the IME menu from appearing when holding down an alphabetic key
15396 // while input is disabled.
15397 if !ignore_disabled_input && !self.input_enabled {
15398 return None;
15399 }
15400
15401 let selection = self.selections.newest::<OffsetUtf16>(cx);
15402 let range = selection.range();
15403
15404 Some(UTF16Selection {
15405 range: range.start.0..range.end.0,
15406 reversed: selection.reversed,
15407 })
15408 }
15409
15410 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
15411 let snapshot = self.buffer.read(cx).read(cx);
15412 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
15413 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
15414 }
15415
15416 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
15417 self.clear_highlights::<InputComposition>(cx);
15418 self.ime_transaction.take();
15419 }
15420
15421 fn replace_text_in_range(
15422 &mut self,
15423 range_utf16: Option<Range<usize>>,
15424 text: &str,
15425 window: &mut Window,
15426 cx: &mut Context<Self>,
15427 ) {
15428 if !self.input_enabled {
15429 cx.emit(EditorEvent::InputIgnored { text: text.into() });
15430 return;
15431 }
15432
15433 self.transact(window, cx, |this, window, cx| {
15434 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
15435 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15436 Some(this.selection_replacement_ranges(range_utf16, cx))
15437 } else {
15438 this.marked_text_ranges(cx)
15439 };
15440
15441 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
15442 let newest_selection_id = this.selections.newest_anchor().id;
15443 this.selections
15444 .all::<OffsetUtf16>(cx)
15445 .iter()
15446 .zip(ranges_to_replace.iter())
15447 .find_map(|(selection, range)| {
15448 if selection.id == newest_selection_id {
15449 Some(
15450 (range.start.0 as isize - selection.head().0 as isize)
15451 ..(range.end.0 as isize - selection.head().0 as isize),
15452 )
15453 } else {
15454 None
15455 }
15456 })
15457 });
15458
15459 cx.emit(EditorEvent::InputHandled {
15460 utf16_range_to_replace: range_to_replace,
15461 text: text.into(),
15462 });
15463
15464 if let Some(new_selected_ranges) = new_selected_ranges {
15465 this.change_selections(None, window, cx, |selections| {
15466 selections.select_ranges(new_selected_ranges)
15467 });
15468 this.backspace(&Default::default(), window, cx);
15469 }
15470
15471 this.handle_input(text, window, cx);
15472 });
15473
15474 if let Some(transaction) = self.ime_transaction {
15475 self.buffer.update(cx, |buffer, cx| {
15476 buffer.group_until_transaction(transaction, cx);
15477 });
15478 }
15479
15480 self.unmark_text(window, cx);
15481 }
15482
15483 fn replace_and_mark_text_in_range(
15484 &mut self,
15485 range_utf16: Option<Range<usize>>,
15486 text: &str,
15487 new_selected_range_utf16: Option<Range<usize>>,
15488 window: &mut Window,
15489 cx: &mut Context<Self>,
15490 ) {
15491 if !self.input_enabled {
15492 return;
15493 }
15494
15495 let transaction = self.transact(window, cx, |this, window, cx| {
15496 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
15497 let snapshot = this.buffer.read(cx).read(cx);
15498 if let Some(relative_range_utf16) = range_utf16.as_ref() {
15499 for marked_range in &mut marked_ranges {
15500 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
15501 marked_range.start.0 += relative_range_utf16.start;
15502 marked_range.start =
15503 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
15504 marked_range.end =
15505 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
15506 }
15507 }
15508 Some(marked_ranges)
15509 } else if let Some(range_utf16) = range_utf16 {
15510 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15511 Some(this.selection_replacement_ranges(range_utf16, cx))
15512 } else {
15513 None
15514 };
15515
15516 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
15517 let newest_selection_id = this.selections.newest_anchor().id;
15518 this.selections
15519 .all::<OffsetUtf16>(cx)
15520 .iter()
15521 .zip(ranges_to_replace.iter())
15522 .find_map(|(selection, range)| {
15523 if selection.id == newest_selection_id {
15524 Some(
15525 (range.start.0 as isize - selection.head().0 as isize)
15526 ..(range.end.0 as isize - selection.head().0 as isize),
15527 )
15528 } else {
15529 None
15530 }
15531 })
15532 });
15533
15534 cx.emit(EditorEvent::InputHandled {
15535 utf16_range_to_replace: range_to_replace,
15536 text: text.into(),
15537 });
15538
15539 if let Some(ranges) = ranges_to_replace {
15540 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
15541 }
15542
15543 let marked_ranges = {
15544 let snapshot = this.buffer.read(cx).read(cx);
15545 this.selections
15546 .disjoint_anchors()
15547 .iter()
15548 .map(|selection| {
15549 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
15550 })
15551 .collect::<Vec<_>>()
15552 };
15553
15554 if text.is_empty() {
15555 this.unmark_text(window, cx);
15556 } else {
15557 this.highlight_text::<InputComposition>(
15558 marked_ranges.clone(),
15559 HighlightStyle {
15560 underline: Some(UnderlineStyle {
15561 thickness: px(1.),
15562 color: None,
15563 wavy: false,
15564 }),
15565 ..Default::default()
15566 },
15567 cx,
15568 );
15569 }
15570
15571 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
15572 let use_autoclose = this.use_autoclose;
15573 let use_auto_surround = this.use_auto_surround;
15574 this.set_use_autoclose(false);
15575 this.set_use_auto_surround(false);
15576 this.handle_input(text, window, cx);
15577 this.set_use_autoclose(use_autoclose);
15578 this.set_use_auto_surround(use_auto_surround);
15579
15580 if let Some(new_selected_range) = new_selected_range_utf16 {
15581 let snapshot = this.buffer.read(cx).read(cx);
15582 let new_selected_ranges = marked_ranges
15583 .into_iter()
15584 .map(|marked_range| {
15585 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
15586 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
15587 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
15588 snapshot.clip_offset_utf16(new_start, Bias::Left)
15589 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
15590 })
15591 .collect::<Vec<_>>();
15592
15593 drop(snapshot);
15594 this.change_selections(None, window, cx, |selections| {
15595 selections.select_ranges(new_selected_ranges)
15596 });
15597 }
15598 });
15599
15600 self.ime_transaction = self.ime_transaction.or(transaction);
15601 if let Some(transaction) = self.ime_transaction {
15602 self.buffer.update(cx, |buffer, cx| {
15603 buffer.group_until_transaction(transaction, cx);
15604 });
15605 }
15606
15607 if self.text_highlights::<InputComposition>(cx).is_none() {
15608 self.ime_transaction.take();
15609 }
15610 }
15611
15612 fn bounds_for_range(
15613 &mut self,
15614 range_utf16: Range<usize>,
15615 element_bounds: gpui::Bounds<Pixels>,
15616 window: &mut Window,
15617 cx: &mut Context<Self>,
15618 ) -> Option<gpui::Bounds<Pixels>> {
15619 let text_layout_details = self.text_layout_details(window);
15620 let gpui::Point {
15621 x: em_width,
15622 y: line_height,
15623 } = self.character_size(window);
15624
15625 let snapshot = self.snapshot(window, cx);
15626 let scroll_position = snapshot.scroll_position();
15627 let scroll_left = scroll_position.x * em_width;
15628
15629 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
15630 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
15631 + self.gutter_dimensions.width
15632 + self.gutter_dimensions.margin;
15633 let y = line_height * (start.row().as_f32() - scroll_position.y);
15634
15635 Some(Bounds {
15636 origin: element_bounds.origin + point(x, y),
15637 size: size(em_width, line_height),
15638 })
15639 }
15640}
15641
15642trait SelectionExt {
15643 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
15644 fn spanned_rows(
15645 &self,
15646 include_end_if_at_line_start: bool,
15647 map: &DisplaySnapshot,
15648 ) -> Range<MultiBufferRow>;
15649}
15650
15651impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
15652 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
15653 let start = self
15654 .start
15655 .to_point(&map.buffer_snapshot)
15656 .to_display_point(map);
15657 let end = self
15658 .end
15659 .to_point(&map.buffer_snapshot)
15660 .to_display_point(map);
15661 if self.reversed {
15662 end..start
15663 } else {
15664 start..end
15665 }
15666 }
15667
15668 fn spanned_rows(
15669 &self,
15670 include_end_if_at_line_start: bool,
15671 map: &DisplaySnapshot,
15672 ) -> Range<MultiBufferRow> {
15673 let start = self.start.to_point(&map.buffer_snapshot);
15674 let mut end = self.end.to_point(&map.buffer_snapshot);
15675 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
15676 end.row -= 1;
15677 }
15678
15679 let buffer_start = map.prev_line_boundary(start).0;
15680 let buffer_end = map.next_line_boundary(end).0;
15681 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
15682 }
15683}
15684
15685impl<T: InvalidationRegion> InvalidationStack<T> {
15686 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
15687 where
15688 S: Clone + ToOffset,
15689 {
15690 while let Some(region) = self.last() {
15691 let all_selections_inside_invalidation_ranges =
15692 if selections.len() == region.ranges().len() {
15693 selections
15694 .iter()
15695 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
15696 .all(|(selection, invalidation_range)| {
15697 let head = selection.head().to_offset(buffer);
15698 invalidation_range.start <= head && invalidation_range.end >= head
15699 })
15700 } else {
15701 false
15702 };
15703
15704 if all_selections_inside_invalidation_ranges {
15705 break;
15706 } else {
15707 self.pop();
15708 }
15709 }
15710 }
15711}
15712
15713impl<T> Default for InvalidationStack<T> {
15714 fn default() -> Self {
15715 Self(Default::default())
15716 }
15717}
15718
15719impl<T> Deref for InvalidationStack<T> {
15720 type Target = Vec<T>;
15721
15722 fn deref(&self) -> &Self::Target {
15723 &self.0
15724 }
15725}
15726
15727impl<T> DerefMut for InvalidationStack<T> {
15728 fn deref_mut(&mut self) -> &mut Self::Target {
15729 &mut self.0
15730 }
15731}
15732
15733impl InvalidationRegion for SnippetState {
15734 fn ranges(&self) -> &[Range<Anchor>] {
15735 &self.ranges[self.active_index]
15736 }
15737}
15738
15739pub fn diagnostic_block_renderer(
15740 diagnostic: Diagnostic,
15741 max_message_rows: Option<u8>,
15742 allow_closing: bool,
15743 _is_valid: bool,
15744) -> RenderBlock {
15745 let (text_without_backticks, code_ranges) =
15746 highlight_diagnostic_message(&diagnostic, max_message_rows);
15747
15748 Arc::new(move |cx: &mut BlockContext| {
15749 let group_id: SharedString = cx.block_id.to_string().into();
15750
15751 let mut text_style = cx.window.text_style().clone();
15752 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
15753 let theme_settings = ThemeSettings::get_global(cx);
15754 text_style.font_family = theme_settings.buffer_font.family.clone();
15755 text_style.font_style = theme_settings.buffer_font.style;
15756 text_style.font_features = theme_settings.buffer_font.features.clone();
15757 text_style.font_weight = theme_settings.buffer_font.weight;
15758
15759 let multi_line_diagnostic = diagnostic.message.contains('\n');
15760
15761 let buttons = |diagnostic: &Diagnostic| {
15762 if multi_line_diagnostic {
15763 v_flex()
15764 } else {
15765 h_flex()
15766 }
15767 .when(allow_closing, |div| {
15768 div.children(diagnostic.is_primary.then(|| {
15769 IconButton::new("close-block", IconName::XCircle)
15770 .icon_color(Color::Muted)
15771 .size(ButtonSize::Compact)
15772 .style(ButtonStyle::Transparent)
15773 .visible_on_hover(group_id.clone())
15774 .on_click(move |_click, window, cx| {
15775 window.dispatch_action(Box::new(Cancel), cx)
15776 })
15777 .tooltip(|window, cx| {
15778 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
15779 })
15780 }))
15781 })
15782 .child(
15783 IconButton::new("copy-block", IconName::Copy)
15784 .icon_color(Color::Muted)
15785 .size(ButtonSize::Compact)
15786 .style(ButtonStyle::Transparent)
15787 .visible_on_hover(group_id.clone())
15788 .on_click({
15789 let message = diagnostic.message.clone();
15790 move |_click, _, cx| {
15791 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
15792 }
15793 })
15794 .tooltip(Tooltip::text("Copy diagnostic message")),
15795 )
15796 };
15797
15798 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
15799 AvailableSpace::min_size(),
15800 cx.window,
15801 cx.app,
15802 );
15803
15804 h_flex()
15805 .id(cx.block_id)
15806 .group(group_id.clone())
15807 .relative()
15808 .size_full()
15809 .block_mouse_down()
15810 .pl(cx.gutter_dimensions.width)
15811 .w(cx.max_width - cx.gutter_dimensions.full_width())
15812 .child(
15813 div()
15814 .flex()
15815 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
15816 .flex_shrink(),
15817 )
15818 .child(buttons(&diagnostic))
15819 .child(div().flex().flex_shrink_0().child(
15820 StyledText::new(text_without_backticks.clone()).with_highlights(
15821 &text_style,
15822 code_ranges.iter().map(|range| {
15823 (
15824 range.clone(),
15825 HighlightStyle {
15826 font_weight: Some(FontWeight::BOLD),
15827 ..Default::default()
15828 },
15829 )
15830 }),
15831 ),
15832 ))
15833 .into_any_element()
15834 })
15835}
15836
15837fn inline_completion_edit_text(
15838 current_snapshot: &BufferSnapshot,
15839 edits: &[(Range<Anchor>, String)],
15840 edit_preview: &EditPreview,
15841 include_deletions: bool,
15842 cx: &App,
15843) -> Option<HighlightedEdits> {
15844 let edits = edits
15845 .iter()
15846 .map(|(anchor, text)| {
15847 (
15848 anchor.start.text_anchor..anchor.end.text_anchor,
15849 text.clone(),
15850 )
15851 })
15852 .collect::<Vec<_>>();
15853
15854 Some(edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx))
15855}
15856
15857pub fn highlight_diagnostic_message(
15858 diagnostic: &Diagnostic,
15859 mut max_message_rows: Option<u8>,
15860) -> (SharedString, Vec<Range<usize>>) {
15861 let mut text_without_backticks = String::new();
15862 let mut code_ranges = Vec::new();
15863
15864 if let Some(source) = &diagnostic.source {
15865 text_without_backticks.push_str(source);
15866 code_ranges.push(0..source.len());
15867 text_without_backticks.push_str(": ");
15868 }
15869
15870 let mut prev_offset = 0;
15871 let mut in_code_block = false;
15872 let has_row_limit = max_message_rows.is_some();
15873 let mut newline_indices = diagnostic
15874 .message
15875 .match_indices('\n')
15876 .filter(|_| has_row_limit)
15877 .map(|(ix, _)| ix)
15878 .fuse()
15879 .peekable();
15880
15881 for (quote_ix, _) in diagnostic
15882 .message
15883 .match_indices('`')
15884 .chain([(diagnostic.message.len(), "")])
15885 {
15886 let mut first_newline_ix = None;
15887 let mut last_newline_ix = None;
15888 while let Some(newline_ix) = newline_indices.peek() {
15889 if *newline_ix < quote_ix {
15890 if first_newline_ix.is_none() {
15891 first_newline_ix = Some(*newline_ix);
15892 }
15893 last_newline_ix = Some(*newline_ix);
15894
15895 if let Some(rows_left) = &mut max_message_rows {
15896 if *rows_left == 0 {
15897 break;
15898 } else {
15899 *rows_left -= 1;
15900 }
15901 }
15902 let _ = newline_indices.next();
15903 } else {
15904 break;
15905 }
15906 }
15907 let prev_len = text_without_backticks.len();
15908 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
15909 text_without_backticks.push_str(new_text);
15910 if in_code_block {
15911 code_ranges.push(prev_len..text_without_backticks.len());
15912 }
15913 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
15914 in_code_block = !in_code_block;
15915 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
15916 text_without_backticks.push_str("...");
15917 break;
15918 }
15919 }
15920
15921 (text_without_backticks.into(), code_ranges)
15922}
15923
15924fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
15925 match severity {
15926 DiagnosticSeverity::ERROR => colors.error,
15927 DiagnosticSeverity::WARNING => colors.warning,
15928 DiagnosticSeverity::INFORMATION => colors.info,
15929 DiagnosticSeverity::HINT => colors.info,
15930 _ => colors.ignored,
15931 }
15932}
15933
15934pub fn styled_runs_for_code_label<'a>(
15935 label: &'a CodeLabel,
15936 syntax_theme: &'a theme::SyntaxTheme,
15937) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
15938 let fade_out = HighlightStyle {
15939 fade_out: Some(0.35),
15940 ..Default::default()
15941 };
15942
15943 let mut prev_end = label.filter_range.end;
15944 label
15945 .runs
15946 .iter()
15947 .enumerate()
15948 .flat_map(move |(ix, (range, highlight_id))| {
15949 let style = if let Some(style) = highlight_id.style(syntax_theme) {
15950 style
15951 } else {
15952 return Default::default();
15953 };
15954 let mut muted_style = style;
15955 muted_style.highlight(fade_out);
15956
15957 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
15958 if range.start >= label.filter_range.end {
15959 if range.start > prev_end {
15960 runs.push((prev_end..range.start, fade_out));
15961 }
15962 runs.push((range.clone(), muted_style));
15963 } else if range.end <= label.filter_range.end {
15964 runs.push((range.clone(), style));
15965 } else {
15966 runs.push((range.start..label.filter_range.end, style));
15967 runs.push((label.filter_range.end..range.end, muted_style));
15968 }
15969 prev_end = cmp::max(prev_end, range.end);
15970
15971 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
15972 runs.push((prev_end..label.text.len(), fade_out));
15973 }
15974
15975 runs
15976 })
15977}
15978
15979pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
15980 let mut prev_index = 0;
15981 let mut prev_codepoint: Option<char> = None;
15982 text.char_indices()
15983 .chain([(text.len(), '\0')])
15984 .filter_map(move |(index, codepoint)| {
15985 let prev_codepoint = prev_codepoint.replace(codepoint)?;
15986 let is_boundary = index == text.len()
15987 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
15988 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
15989 if is_boundary {
15990 let chunk = &text[prev_index..index];
15991 prev_index = index;
15992 Some(chunk)
15993 } else {
15994 None
15995 }
15996 })
15997}
15998
15999pub trait RangeToAnchorExt: Sized {
16000 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16001
16002 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16003 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16004 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16005 }
16006}
16007
16008impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16009 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16010 let start_offset = self.start.to_offset(snapshot);
16011 let end_offset = self.end.to_offset(snapshot);
16012 if start_offset == end_offset {
16013 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16014 } else {
16015 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16016 }
16017 }
16018}
16019
16020pub trait RowExt {
16021 fn as_f32(&self) -> f32;
16022
16023 fn next_row(&self) -> Self;
16024
16025 fn previous_row(&self) -> Self;
16026
16027 fn minus(&self, other: Self) -> u32;
16028}
16029
16030impl RowExt for DisplayRow {
16031 fn as_f32(&self) -> f32 {
16032 self.0 as f32
16033 }
16034
16035 fn next_row(&self) -> Self {
16036 Self(self.0 + 1)
16037 }
16038
16039 fn previous_row(&self) -> Self {
16040 Self(self.0.saturating_sub(1))
16041 }
16042
16043 fn minus(&self, other: Self) -> u32 {
16044 self.0 - other.0
16045 }
16046}
16047
16048impl RowExt for MultiBufferRow {
16049 fn as_f32(&self) -> f32 {
16050 self.0 as f32
16051 }
16052
16053 fn next_row(&self) -> Self {
16054 Self(self.0 + 1)
16055 }
16056
16057 fn previous_row(&self) -> Self {
16058 Self(self.0.saturating_sub(1))
16059 }
16060
16061 fn minus(&self, other: Self) -> u32 {
16062 self.0 - other.0
16063 }
16064}
16065
16066trait RowRangeExt {
16067 type Row;
16068
16069 fn len(&self) -> usize;
16070
16071 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16072}
16073
16074impl RowRangeExt for Range<MultiBufferRow> {
16075 type Row = MultiBufferRow;
16076
16077 fn len(&self) -> usize {
16078 (self.end.0 - self.start.0) as usize
16079 }
16080
16081 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16082 (self.start.0..self.end.0).map(MultiBufferRow)
16083 }
16084}
16085
16086impl RowRangeExt for Range<DisplayRow> {
16087 type Row = DisplayRow;
16088
16089 fn len(&self) -> usize {
16090 (self.end.0 - self.start.0) as usize
16091 }
16092
16093 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16094 (self.start.0..self.end.0).map(DisplayRow)
16095 }
16096}
16097
16098/// If select range has more than one line, we
16099/// just point the cursor to range.start.
16100fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16101 if range.start.row == range.end.row {
16102 range
16103 } else {
16104 range.start..range.start
16105 }
16106}
16107pub struct KillRing(ClipboardItem);
16108impl Global for KillRing {}
16109
16110const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16111
16112fn all_edits_insertions_or_deletions(
16113 edits: &Vec<(Range<Anchor>, String)>,
16114 snapshot: &MultiBufferSnapshot,
16115) -> bool {
16116 let mut all_insertions = true;
16117 let mut all_deletions = true;
16118
16119 for (range, new_text) in edits.iter() {
16120 let range_is_empty = range.to_offset(&snapshot).is_empty();
16121 let text_is_empty = new_text.is_empty();
16122
16123 if range_is_empty != text_is_empty {
16124 if range_is_empty {
16125 all_deletions = false;
16126 } else {
16127 all_insertions = false;
16128 }
16129 } else {
16130 return false;
16131 }
16132
16133 if !all_insertions && !all_deletions {
16134 return false;
16135 }
16136 }
16137 all_insertions || all_deletions
16138}