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 CompletionDocumentation, CursorShape, Diagnostic, EditPreview, HighlightedText, IndentKind,
100 IndentSize, Language, OffsetRangeExt, Point, Selection, SelectionGoal, TextObject,
101 TransactionId, TreeSitterOptions,
102};
103use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
104use linked_editing_ranges::refresh_linked_ranges;
105use mouse_context_menu::MouseContextMenu;
106pub use proposed_changes_editor::{
107 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
108};
109use similar::{ChangeTag, TextDiff};
110use std::iter::Peekable;
111use task::{ResolvedTask, TaskTemplate, TaskVariables};
112
113use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
114pub use lsp::CompletionContext;
115use lsp::{
116 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
117 LanguageServerId, LanguageServerName,
118};
119
120use language::BufferSnapshot;
121use movement::TextLayoutDetails;
122pub use multi_buffer::{
123 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
124 ToOffset, ToPoint,
125};
126use multi_buffer::{
127 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 cx.activate(true);
336 Editor::new_file(workspace, &Default::default(), window, cx)
337 },
338 )
339 .detach();
340 }
341 });
342 git::project_diff::init(cx);
343}
344
345pub struct SearchWithinRange;
346
347trait InvalidationRegion {
348 fn ranges(&self) -> &[Range<Anchor>];
349}
350
351#[derive(Clone, Debug, PartialEq)]
352pub enum SelectPhase {
353 Begin {
354 position: DisplayPoint,
355 add: bool,
356 click_count: usize,
357 },
358 BeginColumnar {
359 position: DisplayPoint,
360 reset: bool,
361 goal_column: u32,
362 },
363 Extend {
364 position: DisplayPoint,
365 click_count: usize,
366 },
367 Update {
368 position: DisplayPoint,
369 goal_column: u32,
370 scroll_delta: gpui::Point<f32>,
371 },
372 End,
373}
374
375#[derive(Clone, Debug)]
376pub enum SelectMode {
377 Character,
378 Word(Range<Anchor>),
379 Line(Range<Anchor>),
380 All,
381}
382
383#[derive(Copy, Clone, PartialEq, Eq, Debug)]
384pub enum EditorMode {
385 SingleLine { auto_width: bool },
386 AutoHeight { max_lines: usize },
387 Full,
388}
389
390#[derive(Copy, Clone, Debug)]
391pub enum SoftWrap {
392 /// Prefer not to wrap at all.
393 ///
394 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
395 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
396 GitDiff,
397 /// Prefer a single line generally, unless an overly long line is encountered.
398 None,
399 /// Soft wrap lines that exceed the editor width.
400 EditorWidth,
401 /// Soft wrap lines at the preferred line length.
402 Column(u32),
403 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
404 Bounded(u32),
405}
406
407#[derive(Clone)]
408pub struct EditorStyle {
409 pub background: Hsla,
410 pub local_player: PlayerColor,
411 pub text: TextStyle,
412 pub scrollbar_width: Pixels,
413 pub syntax: Arc<SyntaxTheme>,
414 pub status: StatusColors,
415 pub inlay_hints_style: HighlightStyle,
416 pub inline_completion_styles: InlineCompletionStyles,
417 pub unnecessary_code_fade: f32,
418}
419
420impl Default for EditorStyle {
421 fn default() -> Self {
422 Self {
423 background: Hsla::default(),
424 local_player: PlayerColor::default(),
425 text: TextStyle::default(),
426 scrollbar_width: Pixels::default(),
427 syntax: Default::default(),
428 // HACK: Status colors don't have a real default.
429 // We should look into removing the status colors from the editor
430 // style and retrieve them directly from the theme.
431 status: StatusColors::dark(),
432 inlay_hints_style: HighlightStyle::default(),
433 inline_completion_styles: InlineCompletionStyles {
434 insertion: HighlightStyle::default(),
435 whitespace: HighlightStyle::default(),
436 },
437 unnecessary_code_fade: Default::default(),
438 }
439 }
440}
441
442pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
443 let show_background = language_settings::language_settings(None, None, cx)
444 .inlay_hints
445 .show_background;
446
447 HighlightStyle {
448 color: Some(cx.theme().status().hint),
449 background_color: show_background.then(|| cx.theme().status().hint_background),
450 ..HighlightStyle::default()
451 }
452}
453
454pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
455 InlineCompletionStyles {
456 insertion: HighlightStyle {
457 color: Some(cx.theme().status().predictive),
458 ..HighlightStyle::default()
459 },
460 whitespace: HighlightStyle {
461 background_color: Some(cx.theme().status().created_background),
462 ..HighlightStyle::default()
463 },
464 }
465}
466
467type CompletionId = usize;
468
469#[derive(Debug, Clone)]
470enum InlineCompletionMenuHint {
471 Loading,
472 Loaded { text: InlineCompletionText },
473 PendingTermsAcceptance,
474 None,
475}
476
477impl InlineCompletionMenuHint {
478 pub fn label(&self) -> &'static str {
479 match self {
480 InlineCompletionMenuHint::Loading | InlineCompletionMenuHint::Loaded { .. } => {
481 "Edit Prediction"
482 }
483 InlineCompletionMenuHint::PendingTermsAcceptance => "Accept Terms of Service",
484 InlineCompletionMenuHint::None => "No Prediction",
485 }
486 }
487}
488
489#[derive(Clone, Debug)]
490enum InlineCompletionText {
491 Move(SharedString),
492 Edit(HighlightedText),
493}
494
495pub(crate) enum EditDisplayMode {
496 TabAccept,
497 DiffPopover,
498 Inline,
499}
500
501enum InlineCompletion {
502 Edit {
503 edits: Vec<(Range<Anchor>, String)>,
504 edit_preview: Option<EditPreview>,
505 display_mode: EditDisplayMode,
506 snapshot: BufferSnapshot,
507 },
508 Move(Anchor),
509}
510
511struct InlineCompletionState {
512 inlay_ids: Vec<InlayId>,
513 completion: InlineCompletion,
514 invalidation_range: Range<Anchor>,
515}
516
517enum InlineCompletionHighlight {}
518
519pub enum MenuInlineCompletionsPolicy {
520 Never,
521 ByProvider,
522}
523
524#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
525struct EditorActionId(usize);
526
527impl EditorActionId {
528 pub fn post_inc(&mut self) -> Self {
529 let answer = self.0;
530
531 *self = Self(answer + 1);
532
533 Self(answer)
534 }
535}
536
537// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
538// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
539
540type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
541type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
542
543#[derive(Default)]
544struct ScrollbarMarkerState {
545 scrollbar_size: Size<Pixels>,
546 dirty: bool,
547 markers: Arc<[PaintQuad]>,
548 pending_refresh: Option<Task<Result<()>>>,
549}
550
551impl ScrollbarMarkerState {
552 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
553 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
554 }
555}
556
557#[derive(Clone, Debug)]
558struct RunnableTasks {
559 templates: Vec<(TaskSourceKind, TaskTemplate)>,
560 offset: MultiBufferOffset,
561 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
562 column: u32,
563 // Values of all named captures, including those starting with '_'
564 extra_variables: HashMap<String, String>,
565 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
566 context_range: Range<BufferOffset>,
567}
568
569impl RunnableTasks {
570 fn resolve<'a>(
571 &'a self,
572 cx: &'a task::TaskContext,
573 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
574 self.templates.iter().filter_map(|(kind, template)| {
575 template
576 .resolve_task(&kind.to_id_base(), cx)
577 .map(|task| (kind.clone(), task))
578 })
579 }
580}
581
582#[derive(Clone)]
583struct ResolvedTasks {
584 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
585 position: Anchor,
586}
587#[derive(Copy, Clone, Debug)]
588struct MultiBufferOffset(usize);
589#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
590struct BufferOffset(usize);
591
592// Addons allow storing per-editor state in other crates (e.g. Vim)
593pub trait Addon: 'static {
594 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
595
596 fn to_any(&self) -> &dyn std::any::Any;
597}
598
599#[derive(Debug, Copy, Clone, PartialEq, Eq)]
600pub enum IsVimMode {
601 Yes,
602 No,
603}
604
605/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
606///
607/// See the [module level documentation](self) for more information.
608pub struct Editor {
609 focus_handle: FocusHandle,
610 last_focused_descendant: Option<WeakFocusHandle>,
611 /// The text buffer being edited
612 buffer: Entity<MultiBuffer>,
613 /// Map of how text in the buffer should be displayed.
614 /// Handles soft wraps, folds, fake inlay text insertions, etc.
615 pub display_map: Entity<DisplayMap>,
616 pub selections: SelectionsCollection,
617 pub scroll_manager: ScrollManager,
618 /// When inline assist editors are linked, they all render cursors because
619 /// typing enters text into each of them, even the ones that aren't focused.
620 pub(crate) show_cursor_when_unfocused: bool,
621 columnar_selection_tail: Option<Anchor>,
622 add_selections_state: Option<AddSelectionsState>,
623 select_next_state: Option<SelectNextState>,
624 select_prev_state: Option<SelectNextState>,
625 selection_history: SelectionHistory,
626 autoclose_regions: Vec<AutocloseRegion>,
627 snippet_stack: InvalidationStack<SnippetState>,
628 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
629 ime_transaction: Option<TransactionId>,
630 active_diagnostics: Option<ActiveDiagnosticGroup>,
631 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
632
633 project: Option<Entity<Project>>,
634 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
635 completion_provider: Option<Box<dyn CompletionProvider>>,
636 collaboration_hub: Option<Box<dyn CollaborationHub>>,
637 blink_manager: Entity<BlinkManager>,
638 show_cursor_names: bool,
639 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
640 pub show_local_selections: bool,
641 mode: EditorMode,
642 show_breadcrumbs: bool,
643 show_gutter: bool,
644 show_scrollbars: bool,
645 show_line_numbers: Option<bool>,
646 use_relative_line_numbers: Option<bool>,
647 show_git_diff_gutter: Option<bool>,
648 show_code_actions: Option<bool>,
649 show_runnables: Option<bool>,
650 show_wrap_guides: Option<bool>,
651 show_indent_guides: Option<bool>,
652 placeholder_text: Option<Arc<str>>,
653 highlight_order: usize,
654 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
655 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
656 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
657 scrollbar_marker_state: ScrollbarMarkerState,
658 active_indent_guides_state: ActiveIndentGuidesState,
659 nav_history: Option<ItemNavHistory>,
660 context_menu: RefCell<Option<CodeContextMenu>>,
661 mouse_context_menu: Option<MouseContextMenu>,
662 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
663 signature_help_state: SignatureHelpState,
664 auto_signature_help: Option<bool>,
665 find_all_references_task_sources: Vec<Anchor>,
666 next_completion_id: CompletionId,
667 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
668 code_actions_task: Option<Task<Result<()>>>,
669 document_highlights_task: Option<Task<()>>,
670 linked_editing_range_task: Option<Task<Option<()>>>,
671 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
672 pending_rename: Option<RenameState>,
673 searchable: bool,
674 cursor_shape: CursorShape,
675 current_line_highlight: Option<CurrentLineHighlight>,
676 collapse_matches: bool,
677 autoindent_mode: Option<AutoindentMode>,
678 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
679 input_enabled: bool,
680 use_modal_editing: bool,
681 read_only: bool,
682 leader_peer_id: Option<PeerId>,
683 remote_id: Option<ViewId>,
684 hover_state: HoverState,
685 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
686 gutter_hovered: bool,
687 hovered_link_state: Option<HoveredLinkState>,
688 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
689 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
690 active_inline_completion: Option<InlineCompletionState>,
691 // enable_inline_completions is a switch that Vim can use to disable
692 // inline completions based on its mode.
693 enable_inline_completions: bool,
694 show_inline_completions_override: Option<bool>,
695 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
696 inlay_hint_cache: InlayHintCache,
697 next_inlay_id: usize,
698 _subscriptions: Vec<Subscription>,
699 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
700 gutter_dimensions: GutterDimensions,
701 style: Option<EditorStyle>,
702 text_style_refinement: Option<TextStyleRefinement>,
703 next_editor_action_id: EditorActionId,
704 editor_actions:
705 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
706 use_autoclose: bool,
707 use_auto_surround: bool,
708 auto_replace_emoji_shortcode: bool,
709 show_git_blame_gutter: bool,
710 show_git_blame_inline: bool,
711 show_git_blame_inline_delay_task: Option<Task<()>>,
712 git_blame_inline_enabled: bool,
713 serialize_dirty_buffers: bool,
714 show_selection_menu: Option<bool>,
715 blame: Option<Entity<GitBlame>>,
716 blame_subscription: Option<Subscription>,
717 custom_context_menu: Option<
718 Box<
719 dyn 'static
720 + Fn(
721 &mut Self,
722 DisplayPoint,
723 &mut Window,
724 &mut Context<Self>,
725 ) -> Option<Entity<ui::ContextMenu>>,
726 >,
727 >,
728 last_bounds: Option<Bounds<Pixels>>,
729 expect_bounds_change: Option<Bounds<Pixels>>,
730 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
731 tasks_update_task: Option<Task<()>>,
732 in_project_search: bool,
733 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
734 breadcrumb_header: Option<String>,
735 focused_block: Option<FocusedBlock>,
736 next_scroll_position: NextScrollCursorCenterTopBottom,
737 addons: HashMap<TypeId, Box<dyn Addon>>,
738 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
739 selection_mark_mode: bool,
740 toggle_fold_multiple_buffers: Task<()>,
741 _scroll_cursor_center_top_bottom_task: Task<()>,
742}
743
744#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
745enum NextScrollCursorCenterTopBottom {
746 #[default]
747 Center,
748 Top,
749 Bottom,
750}
751
752impl NextScrollCursorCenterTopBottom {
753 fn next(&self) -> Self {
754 match self {
755 Self::Center => Self::Top,
756 Self::Top => Self::Bottom,
757 Self::Bottom => Self::Center,
758 }
759 }
760}
761
762#[derive(Clone)]
763pub struct EditorSnapshot {
764 pub mode: EditorMode,
765 show_gutter: bool,
766 show_line_numbers: Option<bool>,
767 show_git_diff_gutter: Option<bool>,
768 show_code_actions: Option<bool>,
769 show_runnables: Option<bool>,
770 git_blame_gutter_max_author_length: Option<usize>,
771 pub display_snapshot: DisplaySnapshot,
772 pub placeholder_text: Option<Arc<str>>,
773 is_focused: bool,
774 scroll_anchor: ScrollAnchor,
775 ongoing_scroll: OngoingScroll,
776 current_line_highlight: CurrentLineHighlight,
777 gutter_hovered: bool,
778}
779
780const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
781
782#[derive(Default, Debug, Clone, Copy)]
783pub struct GutterDimensions {
784 pub left_padding: Pixels,
785 pub right_padding: Pixels,
786 pub width: Pixels,
787 pub margin: Pixels,
788 pub git_blame_entries_width: Option<Pixels>,
789}
790
791impl GutterDimensions {
792 /// The full width of the space taken up by the gutter.
793 pub fn full_width(&self) -> Pixels {
794 self.margin + self.width
795 }
796
797 /// The width of the space reserved for the fold indicators,
798 /// use alongside 'justify_end' and `gutter_width` to
799 /// right align content with the line numbers
800 pub fn fold_area_width(&self) -> Pixels {
801 self.margin + self.right_padding
802 }
803}
804
805#[derive(Debug)]
806pub struct RemoteSelection {
807 pub replica_id: ReplicaId,
808 pub selection: Selection<Anchor>,
809 pub cursor_shape: CursorShape,
810 pub peer_id: PeerId,
811 pub line_mode: bool,
812 pub participant_index: Option<ParticipantIndex>,
813 pub user_name: Option<SharedString>,
814}
815
816#[derive(Clone, Debug)]
817struct SelectionHistoryEntry {
818 selections: Arc<[Selection<Anchor>]>,
819 select_next_state: Option<SelectNextState>,
820 select_prev_state: Option<SelectNextState>,
821 add_selections_state: Option<AddSelectionsState>,
822}
823
824enum SelectionHistoryMode {
825 Normal,
826 Undoing,
827 Redoing,
828}
829
830#[derive(Clone, PartialEq, Eq, Hash)]
831struct HoveredCursor {
832 replica_id: u16,
833 selection_id: usize,
834}
835
836impl Default for SelectionHistoryMode {
837 fn default() -> Self {
838 Self::Normal
839 }
840}
841
842#[derive(Default)]
843struct SelectionHistory {
844 #[allow(clippy::type_complexity)]
845 selections_by_transaction:
846 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
847 mode: SelectionHistoryMode,
848 undo_stack: VecDeque<SelectionHistoryEntry>,
849 redo_stack: VecDeque<SelectionHistoryEntry>,
850}
851
852impl SelectionHistory {
853 fn insert_transaction(
854 &mut self,
855 transaction_id: TransactionId,
856 selections: Arc<[Selection<Anchor>]>,
857 ) {
858 self.selections_by_transaction
859 .insert(transaction_id, (selections, None));
860 }
861
862 #[allow(clippy::type_complexity)]
863 fn transaction(
864 &self,
865 transaction_id: TransactionId,
866 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
867 self.selections_by_transaction.get(&transaction_id)
868 }
869
870 #[allow(clippy::type_complexity)]
871 fn transaction_mut(
872 &mut self,
873 transaction_id: TransactionId,
874 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
875 self.selections_by_transaction.get_mut(&transaction_id)
876 }
877
878 fn push(&mut self, entry: SelectionHistoryEntry) {
879 if !entry.selections.is_empty() {
880 match self.mode {
881 SelectionHistoryMode::Normal => {
882 self.push_undo(entry);
883 self.redo_stack.clear();
884 }
885 SelectionHistoryMode::Undoing => self.push_redo(entry),
886 SelectionHistoryMode::Redoing => self.push_undo(entry),
887 }
888 }
889 }
890
891 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
892 if self
893 .undo_stack
894 .back()
895 .map_or(true, |e| e.selections != entry.selections)
896 {
897 self.undo_stack.push_back(entry);
898 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
899 self.undo_stack.pop_front();
900 }
901 }
902 }
903
904 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
905 if self
906 .redo_stack
907 .back()
908 .map_or(true, |e| e.selections != entry.selections)
909 {
910 self.redo_stack.push_back(entry);
911 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
912 self.redo_stack.pop_front();
913 }
914 }
915 }
916}
917
918struct RowHighlight {
919 index: usize,
920 range: Range<Anchor>,
921 color: Hsla,
922 should_autoscroll: bool,
923}
924
925#[derive(Clone, Debug)]
926struct AddSelectionsState {
927 above: bool,
928 stack: Vec<usize>,
929}
930
931#[derive(Clone)]
932struct SelectNextState {
933 query: AhoCorasick,
934 wordwise: bool,
935 done: bool,
936}
937
938impl std::fmt::Debug for SelectNextState {
939 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
940 f.debug_struct(std::any::type_name::<Self>())
941 .field("wordwise", &self.wordwise)
942 .field("done", &self.done)
943 .finish()
944 }
945}
946
947#[derive(Debug)]
948struct AutocloseRegion {
949 selection_id: usize,
950 range: Range<Anchor>,
951 pair: BracketPair,
952}
953
954#[derive(Debug)]
955struct SnippetState {
956 ranges: Vec<Vec<Range<Anchor>>>,
957 active_index: usize,
958 choices: Vec<Option<Vec<String>>>,
959}
960
961#[doc(hidden)]
962pub struct RenameState {
963 pub range: Range<Anchor>,
964 pub old_name: Arc<str>,
965 pub editor: Entity<Editor>,
966 block_id: CustomBlockId,
967}
968
969struct InvalidationStack<T>(Vec<T>);
970
971struct RegisteredInlineCompletionProvider {
972 provider: Arc<dyn InlineCompletionProviderHandle>,
973 _subscription: Subscription,
974}
975
976#[derive(Debug)]
977struct ActiveDiagnosticGroup {
978 primary_range: Range<Anchor>,
979 primary_message: String,
980 group_id: usize,
981 blocks: HashMap<CustomBlockId, Diagnostic>,
982 is_valid: bool,
983}
984
985#[derive(Serialize, Deserialize, Clone, Debug)]
986pub struct ClipboardSelection {
987 pub len: usize,
988 pub is_entire_line: bool,
989 pub first_line_indent: u32,
990}
991
992#[derive(Debug)]
993pub(crate) struct NavigationData {
994 cursor_anchor: Anchor,
995 cursor_position: Point,
996 scroll_anchor: ScrollAnchor,
997 scroll_top_row: u32,
998}
999
1000#[derive(Debug, Clone, Copy, PartialEq, Eq)]
1001pub enum GotoDefinitionKind {
1002 Symbol,
1003 Declaration,
1004 Type,
1005 Implementation,
1006}
1007
1008#[derive(Debug, Clone)]
1009enum InlayHintRefreshReason {
1010 Toggle(bool),
1011 SettingsChange(InlayHintSettings),
1012 NewLinesShown,
1013 BufferEdited(HashSet<Arc<Language>>),
1014 RefreshRequested,
1015 ExcerptsRemoved(Vec<ExcerptId>),
1016}
1017
1018impl InlayHintRefreshReason {
1019 fn description(&self) -> &'static str {
1020 match self {
1021 Self::Toggle(_) => "toggle",
1022 Self::SettingsChange(_) => "settings change",
1023 Self::NewLinesShown => "new lines shown",
1024 Self::BufferEdited(_) => "buffer edited",
1025 Self::RefreshRequested => "refresh requested",
1026 Self::ExcerptsRemoved(_) => "excerpts removed",
1027 }
1028 }
1029}
1030
1031pub enum FormatTarget {
1032 Buffers,
1033 Ranges(Vec<Range<MultiBufferPoint>>),
1034}
1035
1036pub(crate) struct FocusedBlock {
1037 id: BlockId,
1038 focus_handle: WeakFocusHandle,
1039}
1040
1041#[derive(Clone)]
1042enum JumpData {
1043 MultiBufferRow {
1044 row: MultiBufferRow,
1045 line_offset_from_top: u32,
1046 },
1047 MultiBufferPoint {
1048 excerpt_id: ExcerptId,
1049 position: Point,
1050 anchor: text::Anchor,
1051 line_offset_from_top: u32,
1052 },
1053}
1054
1055pub enum MultibufferSelectionMode {
1056 First,
1057 All,
1058}
1059
1060impl Editor {
1061 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1062 let buffer = cx.new(|cx| Buffer::local("", cx));
1063 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1064 Self::new(
1065 EditorMode::SingleLine { auto_width: false },
1066 buffer,
1067 None,
1068 false,
1069 window,
1070 cx,
1071 )
1072 }
1073
1074 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1075 let buffer = cx.new(|cx| Buffer::local("", cx));
1076 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1077 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1078 }
1079
1080 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1081 let buffer = cx.new(|cx| Buffer::local("", cx));
1082 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1083 Self::new(
1084 EditorMode::SingleLine { auto_width: true },
1085 buffer,
1086 None,
1087 false,
1088 window,
1089 cx,
1090 )
1091 }
1092
1093 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1094 let buffer = cx.new(|cx| Buffer::local("", cx));
1095 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1096 Self::new(
1097 EditorMode::AutoHeight { max_lines },
1098 buffer,
1099 None,
1100 false,
1101 window,
1102 cx,
1103 )
1104 }
1105
1106 pub fn for_buffer(
1107 buffer: Entity<Buffer>,
1108 project: Option<Entity<Project>>,
1109 window: &mut Window,
1110 cx: &mut Context<Self>,
1111 ) -> Self {
1112 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1113 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1114 }
1115
1116 pub fn for_multibuffer(
1117 buffer: Entity<MultiBuffer>,
1118 project: Option<Entity<Project>>,
1119 show_excerpt_controls: bool,
1120 window: &mut Window,
1121 cx: &mut Context<Self>,
1122 ) -> Self {
1123 Self::new(
1124 EditorMode::Full,
1125 buffer,
1126 project,
1127 show_excerpt_controls,
1128 window,
1129 cx,
1130 )
1131 }
1132
1133 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1134 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1135 let mut clone = Self::new(
1136 self.mode,
1137 self.buffer.clone(),
1138 self.project.clone(),
1139 show_excerpt_controls,
1140 window,
1141 cx,
1142 );
1143 self.display_map.update(cx, |display_map, cx| {
1144 let snapshot = display_map.snapshot(cx);
1145 clone.display_map.update(cx, |display_map, cx| {
1146 display_map.set_state(&snapshot, cx);
1147 });
1148 });
1149 clone.selections.clone_state(&self.selections);
1150 clone.scroll_manager.clone_state(&self.scroll_manager);
1151 clone.searchable = self.searchable;
1152 clone
1153 }
1154
1155 pub fn new(
1156 mode: EditorMode,
1157 buffer: Entity<MultiBuffer>,
1158 project: Option<Entity<Project>>,
1159 show_excerpt_controls: bool,
1160 window: &mut Window,
1161 cx: &mut Context<Self>,
1162 ) -> Self {
1163 let style = window.text_style();
1164 let font_size = style.font_size.to_pixels(window.rem_size());
1165 let editor = cx.entity().downgrade();
1166 let fold_placeholder = FoldPlaceholder {
1167 constrain_width: true,
1168 render: Arc::new(move |fold_id, fold_range, _, cx| {
1169 let editor = editor.clone();
1170 div()
1171 .id(fold_id)
1172 .bg(cx.theme().colors().ghost_element_background)
1173 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1174 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1175 .rounded_sm()
1176 .size_full()
1177 .cursor_pointer()
1178 .child("⋯")
1179 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1180 .on_click(move |_, _window, cx| {
1181 editor
1182 .update(cx, |editor, cx| {
1183 editor.unfold_ranges(
1184 &[fold_range.start..fold_range.end],
1185 true,
1186 false,
1187 cx,
1188 );
1189 cx.stop_propagation();
1190 })
1191 .ok();
1192 })
1193 .into_any()
1194 }),
1195 merge_adjacent: true,
1196 ..Default::default()
1197 };
1198 let display_map = cx.new(|cx| {
1199 DisplayMap::new(
1200 buffer.clone(),
1201 style.font(),
1202 font_size,
1203 None,
1204 show_excerpt_controls,
1205 FILE_HEADER_HEIGHT,
1206 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1207 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1208 fold_placeholder,
1209 cx,
1210 )
1211 });
1212
1213 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1214
1215 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1216
1217 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1218 .then(|| language_settings::SoftWrap::None);
1219
1220 let mut project_subscriptions = Vec::new();
1221 if mode == EditorMode::Full {
1222 if let Some(project) = project.as_ref() {
1223 if buffer.read(cx).is_singleton() {
1224 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1225 cx.emit(EditorEvent::TitleChanged);
1226 }));
1227 }
1228 project_subscriptions.push(cx.subscribe_in(
1229 project,
1230 window,
1231 |editor, _, event, window, cx| {
1232 if let project::Event::RefreshInlayHints = event {
1233 editor
1234 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1235 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1236 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1237 let focus_handle = editor.focus_handle(cx);
1238 if focus_handle.is_focused(window) {
1239 let snapshot = buffer.read(cx).snapshot();
1240 for (range, snippet) in snippet_edits {
1241 let editor_range =
1242 language::range_from_lsp(*range).to_offset(&snapshot);
1243 editor
1244 .insert_snippet(
1245 &[editor_range],
1246 snippet.clone(),
1247 window,
1248 cx,
1249 )
1250 .ok();
1251 }
1252 }
1253 }
1254 }
1255 },
1256 ));
1257 if let Some(task_inventory) = project
1258 .read(cx)
1259 .task_store()
1260 .read(cx)
1261 .task_inventory()
1262 .cloned()
1263 {
1264 project_subscriptions.push(cx.observe_in(
1265 &task_inventory,
1266 window,
1267 |editor, _, window, cx| {
1268 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1269 },
1270 ));
1271 }
1272 }
1273 }
1274
1275 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1276
1277 let inlay_hint_settings =
1278 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1279 let focus_handle = cx.focus_handle();
1280 cx.on_focus(&focus_handle, window, Self::handle_focus)
1281 .detach();
1282 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1283 .detach();
1284 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1285 .detach();
1286 cx.on_blur(&focus_handle, window, Self::handle_blur)
1287 .detach();
1288
1289 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1290 Some(false)
1291 } else {
1292 None
1293 };
1294
1295 let mut code_action_providers = Vec::new();
1296 if let Some(project) = project.clone() {
1297 get_unstaged_changes_for_buffers(
1298 &project,
1299 buffer.read(cx).all_buffers(),
1300 buffer.clone(),
1301 cx,
1302 );
1303 code_action_providers.push(Rc::new(project) as Rc<_>);
1304 }
1305
1306 let mut this = Self {
1307 focus_handle,
1308 show_cursor_when_unfocused: false,
1309 last_focused_descendant: None,
1310 buffer: buffer.clone(),
1311 display_map: display_map.clone(),
1312 selections,
1313 scroll_manager: ScrollManager::new(cx),
1314 columnar_selection_tail: None,
1315 add_selections_state: None,
1316 select_next_state: None,
1317 select_prev_state: None,
1318 selection_history: Default::default(),
1319 autoclose_regions: Default::default(),
1320 snippet_stack: Default::default(),
1321 select_larger_syntax_node_stack: Vec::new(),
1322 ime_transaction: Default::default(),
1323 active_diagnostics: None,
1324 soft_wrap_mode_override,
1325 completion_provider: project.clone().map(|project| Box::new(project) as _),
1326 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1327 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1328 project,
1329 blink_manager: blink_manager.clone(),
1330 show_local_selections: true,
1331 show_scrollbars: true,
1332 mode,
1333 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1334 show_gutter: mode == EditorMode::Full,
1335 show_line_numbers: None,
1336 use_relative_line_numbers: None,
1337 show_git_diff_gutter: None,
1338 show_code_actions: None,
1339 show_runnables: None,
1340 show_wrap_guides: None,
1341 show_indent_guides,
1342 placeholder_text: None,
1343 highlight_order: 0,
1344 highlighted_rows: HashMap::default(),
1345 background_highlights: Default::default(),
1346 gutter_highlights: TreeMap::default(),
1347 scrollbar_marker_state: ScrollbarMarkerState::default(),
1348 active_indent_guides_state: ActiveIndentGuidesState::default(),
1349 nav_history: None,
1350 context_menu: RefCell::new(None),
1351 mouse_context_menu: None,
1352 completion_tasks: Default::default(),
1353 signature_help_state: SignatureHelpState::default(),
1354 auto_signature_help: None,
1355 find_all_references_task_sources: Vec::new(),
1356 next_completion_id: 0,
1357 next_inlay_id: 0,
1358 code_action_providers,
1359 available_code_actions: Default::default(),
1360 code_actions_task: Default::default(),
1361 document_highlights_task: Default::default(),
1362 linked_editing_range_task: Default::default(),
1363 pending_rename: Default::default(),
1364 searchable: true,
1365 cursor_shape: EditorSettings::get_global(cx)
1366 .cursor_shape
1367 .unwrap_or_default(),
1368 current_line_highlight: None,
1369 autoindent_mode: Some(AutoindentMode::EachLine),
1370 collapse_matches: false,
1371 workspace: None,
1372 input_enabled: true,
1373 use_modal_editing: mode == EditorMode::Full,
1374 read_only: false,
1375 use_autoclose: true,
1376 use_auto_surround: true,
1377 auto_replace_emoji_shortcode: false,
1378 leader_peer_id: None,
1379 remote_id: None,
1380 hover_state: Default::default(),
1381 pending_mouse_down: None,
1382 hovered_link_state: Default::default(),
1383 inline_completion_provider: None,
1384 active_inline_completion: None,
1385 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1386
1387 gutter_hovered: false,
1388 pixel_position_of_newest_cursor: None,
1389 last_bounds: None,
1390 expect_bounds_change: None,
1391 gutter_dimensions: GutterDimensions::default(),
1392 style: None,
1393 show_cursor_names: false,
1394 hovered_cursors: Default::default(),
1395 next_editor_action_id: EditorActionId::default(),
1396 editor_actions: Rc::default(),
1397 show_inline_completions_override: None,
1398 enable_inline_completions: true,
1399 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1400 custom_context_menu: None,
1401 show_git_blame_gutter: false,
1402 show_git_blame_inline: false,
1403 show_selection_menu: None,
1404 show_git_blame_inline_delay_task: None,
1405 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1406 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1407 .session
1408 .restore_unsaved_buffers,
1409 blame: None,
1410 blame_subscription: None,
1411 tasks: Default::default(),
1412 _subscriptions: vec![
1413 cx.observe(&buffer, Self::on_buffer_changed),
1414 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1415 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1416 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1417 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1418 cx.observe_window_activation(window, |editor, window, cx| {
1419 let active = window.is_window_active();
1420 editor.blink_manager.update(cx, |blink_manager, cx| {
1421 if active {
1422 blink_manager.enable(cx);
1423 } else {
1424 blink_manager.disable(cx);
1425 }
1426 });
1427 }),
1428 ],
1429 tasks_update_task: None,
1430 linked_edit_ranges: Default::default(),
1431 in_project_search: false,
1432 previous_search_ranges: None,
1433 breadcrumb_header: None,
1434 focused_block: None,
1435 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1436 addons: HashMap::default(),
1437 registered_buffers: HashMap::default(),
1438 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1439 selection_mark_mode: false,
1440 toggle_fold_multiple_buffers: Task::ready(()),
1441 text_style_refinement: None,
1442 };
1443 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1444 this._subscriptions.extend(project_subscriptions);
1445
1446 this.end_selection(window, cx);
1447 this.scroll_manager.show_scrollbar(window, cx);
1448
1449 if mode == EditorMode::Full {
1450 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1451 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1452
1453 if this.git_blame_inline_enabled {
1454 this.git_blame_inline_enabled = true;
1455 this.start_git_blame_inline(false, window, cx);
1456 }
1457
1458 if let Some(buffer) = buffer.read(cx).as_singleton() {
1459 if let Some(project) = this.project.as_ref() {
1460 let lsp_store = project.read(cx).lsp_store();
1461 let handle = lsp_store.update(cx, |lsp_store, cx| {
1462 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1463 });
1464 this.registered_buffers
1465 .insert(buffer.read(cx).remote_id(), handle);
1466 }
1467 }
1468 }
1469
1470 this.report_editor_event("Editor Opened", None, cx);
1471 this
1472 }
1473
1474 pub fn mouse_menu_is_focused(&self, window: &mut Window, cx: &mut App) -> bool {
1475 self.mouse_context_menu
1476 .as_ref()
1477 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1478 }
1479
1480 fn key_context(&self, window: &mut Window, cx: &mut Context<Self>) -> KeyContext {
1481 let mut key_context = KeyContext::new_with_defaults();
1482 key_context.add("Editor");
1483 let mode = match self.mode {
1484 EditorMode::SingleLine { .. } => "single_line",
1485 EditorMode::AutoHeight { .. } => "auto_height",
1486 EditorMode::Full => "full",
1487 };
1488
1489 if EditorSettings::jupyter_enabled(cx) {
1490 key_context.add("jupyter");
1491 }
1492
1493 key_context.set("mode", mode);
1494 if self.pending_rename.is_some() {
1495 key_context.add("renaming");
1496 }
1497 match self.context_menu.borrow().as_ref() {
1498 Some(CodeContextMenu::Completions(_)) => {
1499 key_context.add("menu");
1500 key_context.add("showing_completions")
1501 }
1502 Some(CodeContextMenu::CodeActions(_)) => {
1503 key_context.add("menu");
1504 key_context.add("showing_code_actions")
1505 }
1506 None => {}
1507 }
1508
1509 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1510 if !self.focus_handle(cx).contains_focused(window, cx)
1511 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1512 {
1513 for addon in self.addons.values() {
1514 addon.extend_key_context(&mut key_context, cx)
1515 }
1516 }
1517
1518 if let Some(extension) = self
1519 .buffer
1520 .read(cx)
1521 .as_singleton()
1522 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1523 {
1524 key_context.set("extension", extension.to_string());
1525 }
1526
1527 if self.has_active_inline_completion() {
1528 key_context.add("copilot_suggestion");
1529 key_context.add("inline_completion");
1530 }
1531
1532 if self.selection_mark_mode {
1533 key_context.add("selection_mode");
1534 }
1535
1536 key_context
1537 }
1538
1539 pub fn new_file(
1540 workspace: &mut Workspace,
1541 _: &workspace::NewFile,
1542 window: &mut Window,
1543 cx: &mut Context<Workspace>,
1544 ) {
1545 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1546 "Failed to create buffer",
1547 window,
1548 cx,
1549 |e, _, _| match e.error_code() {
1550 ErrorCode::RemoteUpgradeRequired => Some(format!(
1551 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1552 e.error_tag("required").unwrap_or("the latest version")
1553 )),
1554 _ => None,
1555 },
1556 );
1557 }
1558
1559 pub fn new_in_workspace(
1560 workspace: &mut Workspace,
1561 window: &mut Window,
1562 cx: &mut Context<Workspace>,
1563 ) -> Task<Result<Entity<Editor>>> {
1564 let project = workspace.project().clone();
1565 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1566
1567 cx.spawn_in(window, |workspace, mut cx| async move {
1568 let buffer = create.await?;
1569 workspace.update_in(&mut cx, |workspace, window, cx| {
1570 let editor =
1571 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1572 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1573 editor
1574 })
1575 })
1576 }
1577
1578 fn new_file_vertical(
1579 workspace: &mut Workspace,
1580 _: &workspace::NewFileSplitVertical,
1581 window: &mut Window,
1582 cx: &mut Context<Workspace>,
1583 ) {
1584 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1585 }
1586
1587 fn new_file_horizontal(
1588 workspace: &mut Workspace,
1589 _: &workspace::NewFileSplitHorizontal,
1590 window: &mut Window,
1591 cx: &mut Context<Workspace>,
1592 ) {
1593 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1594 }
1595
1596 fn new_file_in_direction(
1597 workspace: &mut Workspace,
1598 direction: SplitDirection,
1599 window: &mut Window,
1600 cx: &mut Context<Workspace>,
1601 ) {
1602 let project = workspace.project().clone();
1603 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1604
1605 cx.spawn_in(window, |workspace, mut cx| async move {
1606 let buffer = create.await?;
1607 workspace.update_in(&mut cx, move |workspace, window, cx| {
1608 workspace.split_item(
1609 direction,
1610 Box::new(
1611 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1612 ),
1613 window,
1614 cx,
1615 )
1616 })?;
1617 anyhow::Ok(())
1618 })
1619 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1620 match e.error_code() {
1621 ErrorCode::RemoteUpgradeRequired => Some(format!(
1622 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1623 e.error_tag("required").unwrap_or("the latest version")
1624 )),
1625 _ => None,
1626 }
1627 });
1628 }
1629
1630 pub fn leader_peer_id(&self) -> Option<PeerId> {
1631 self.leader_peer_id
1632 }
1633
1634 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1635 &self.buffer
1636 }
1637
1638 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1639 self.workspace.as_ref()?.0.upgrade()
1640 }
1641
1642 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1643 self.buffer().read(cx).title(cx)
1644 }
1645
1646 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1647 let git_blame_gutter_max_author_length = self
1648 .render_git_blame_gutter(cx)
1649 .then(|| {
1650 if let Some(blame) = self.blame.as_ref() {
1651 let max_author_length =
1652 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1653 Some(max_author_length)
1654 } else {
1655 None
1656 }
1657 })
1658 .flatten();
1659
1660 EditorSnapshot {
1661 mode: self.mode,
1662 show_gutter: self.show_gutter,
1663 show_line_numbers: self.show_line_numbers,
1664 show_git_diff_gutter: self.show_git_diff_gutter,
1665 show_code_actions: self.show_code_actions,
1666 show_runnables: self.show_runnables,
1667 git_blame_gutter_max_author_length,
1668 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1669 scroll_anchor: self.scroll_manager.anchor(),
1670 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1671 placeholder_text: self.placeholder_text.clone(),
1672 is_focused: self.focus_handle.is_focused(window),
1673 current_line_highlight: self
1674 .current_line_highlight
1675 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1676 gutter_hovered: self.gutter_hovered,
1677 }
1678 }
1679
1680 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1681 self.buffer.read(cx).language_at(point, cx)
1682 }
1683
1684 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1685 self.buffer.read(cx).read(cx).file_at(point).cloned()
1686 }
1687
1688 pub fn active_excerpt(
1689 &self,
1690 cx: &App,
1691 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1692 self.buffer
1693 .read(cx)
1694 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1695 }
1696
1697 pub fn mode(&self) -> EditorMode {
1698 self.mode
1699 }
1700
1701 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1702 self.collaboration_hub.as_deref()
1703 }
1704
1705 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1706 self.collaboration_hub = Some(hub);
1707 }
1708
1709 pub fn set_in_project_search(&mut self, in_project_search: bool) {
1710 self.in_project_search = in_project_search;
1711 }
1712
1713 pub fn set_custom_context_menu(
1714 &mut self,
1715 f: impl 'static
1716 + Fn(
1717 &mut Self,
1718 DisplayPoint,
1719 &mut Window,
1720 &mut Context<Self>,
1721 ) -> Option<Entity<ui::ContextMenu>>,
1722 ) {
1723 self.custom_context_menu = Some(Box::new(f))
1724 }
1725
1726 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1727 self.completion_provider = provider;
1728 }
1729
1730 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1731 self.semantics_provider.clone()
1732 }
1733
1734 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1735 self.semantics_provider = provider;
1736 }
1737
1738 pub fn set_inline_completion_provider<T>(
1739 &mut self,
1740 provider: Option<Entity<T>>,
1741 window: &mut Window,
1742 cx: &mut Context<Self>,
1743 ) where
1744 T: InlineCompletionProvider,
1745 {
1746 self.inline_completion_provider =
1747 provider.map(|provider| RegisteredInlineCompletionProvider {
1748 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1749 if this.focus_handle.is_focused(window) {
1750 this.update_visible_inline_completion(window, cx);
1751 }
1752 }),
1753 provider: Arc::new(provider),
1754 });
1755 self.refresh_inline_completion(false, false, window, cx);
1756 }
1757
1758 pub fn placeholder_text(&self) -> Option<&str> {
1759 self.placeholder_text.as_deref()
1760 }
1761
1762 pub fn set_placeholder_text(
1763 &mut self,
1764 placeholder_text: impl Into<Arc<str>>,
1765 cx: &mut Context<Self>,
1766 ) {
1767 let placeholder_text = Some(placeholder_text.into());
1768 if self.placeholder_text != placeholder_text {
1769 self.placeholder_text = placeholder_text;
1770 cx.notify();
1771 }
1772 }
1773
1774 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1775 self.cursor_shape = cursor_shape;
1776
1777 // Disrupt blink for immediate user feedback that the cursor shape has changed
1778 self.blink_manager.update(cx, BlinkManager::show_cursor);
1779
1780 cx.notify();
1781 }
1782
1783 pub fn set_current_line_highlight(
1784 &mut self,
1785 current_line_highlight: Option<CurrentLineHighlight>,
1786 ) {
1787 self.current_line_highlight = current_line_highlight;
1788 }
1789
1790 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1791 self.collapse_matches = collapse_matches;
1792 }
1793
1794 pub fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1795 let buffers = self.buffer.read(cx).all_buffers();
1796 let Some(lsp_store) = self.lsp_store(cx) else {
1797 return;
1798 };
1799 lsp_store.update(cx, |lsp_store, cx| {
1800 for buffer in buffers {
1801 self.registered_buffers
1802 .entry(buffer.read(cx).remote_id())
1803 .or_insert_with(|| {
1804 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1805 });
1806 }
1807 })
1808 }
1809
1810 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1811 if self.collapse_matches {
1812 return range.start..range.start;
1813 }
1814 range.clone()
1815 }
1816
1817 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1818 if self.display_map.read(cx).clip_at_line_ends != clip {
1819 self.display_map
1820 .update(cx, |map, _| map.clip_at_line_ends = clip);
1821 }
1822 }
1823
1824 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1825 self.input_enabled = input_enabled;
1826 }
1827
1828 pub fn set_inline_completions_enabled(&mut self, enabled: bool, cx: &mut Context<Self>) {
1829 self.enable_inline_completions = enabled;
1830 if !self.enable_inline_completions {
1831 self.take_active_inline_completion(cx);
1832 cx.notify();
1833 }
1834 }
1835
1836 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1837 self.menu_inline_completions_policy = value;
1838 }
1839
1840 pub fn set_autoindent(&mut self, autoindent: bool) {
1841 if autoindent {
1842 self.autoindent_mode = Some(AutoindentMode::EachLine);
1843 } else {
1844 self.autoindent_mode = None;
1845 }
1846 }
1847
1848 pub fn read_only(&self, cx: &App) -> bool {
1849 self.read_only || self.buffer.read(cx).read_only()
1850 }
1851
1852 pub fn set_read_only(&mut self, read_only: bool) {
1853 self.read_only = read_only;
1854 }
1855
1856 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1857 self.use_autoclose = autoclose;
1858 }
1859
1860 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1861 self.use_auto_surround = auto_surround;
1862 }
1863
1864 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1865 self.auto_replace_emoji_shortcode = auto_replace;
1866 }
1867
1868 pub fn toggle_inline_completions(
1869 &mut self,
1870 _: &ToggleInlineCompletions,
1871 window: &mut Window,
1872 cx: &mut Context<Self>,
1873 ) {
1874 if self.show_inline_completions_override.is_some() {
1875 self.set_show_inline_completions(None, window, cx);
1876 } else {
1877 let cursor = self.selections.newest_anchor().head();
1878 if let Some((buffer, cursor_buffer_position)) =
1879 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1880 {
1881 let show_inline_completions =
1882 !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx);
1883 self.set_show_inline_completions(Some(show_inline_completions), window, cx);
1884 }
1885 }
1886 }
1887
1888 pub fn set_show_inline_completions(
1889 &mut self,
1890 show_inline_completions: Option<bool>,
1891 window: &mut Window,
1892 cx: &mut Context<Self>,
1893 ) {
1894 self.show_inline_completions_override = show_inline_completions;
1895 self.refresh_inline_completion(false, true, window, cx);
1896 }
1897
1898 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
1899 let cursor = self.selections.newest_anchor().head();
1900 if let Some((buffer, buffer_position)) =
1901 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1902 {
1903 self.should_show_inline_completions(&buffer, buffer_position, cx)
1904 } else {
1905 false
1906 }
1907 }
1908
1909 fn should_show_inline_completions(
1910 &self,
1911 buffer: &Entity<Buffer>,
1912 buffer_position: language::Anchor,
1913 cx: &App,
1914 ) -> bool {
1915 if !self.snippet_stack.is_empty() {
1916 return false;
1917 }
1918
1919 if self.inline_completions_disabled_in_scope(buffer, buffer_position, cx) {
1920 return false;
1921 }
1922
1923 if let Some(provider) = self.inline_completion_provider() {
1924 if let Some(show_inline_completions) = self.show_inline_completions_override {
1925 show_inline_completions
1926 } else {
1927 self.mode == EditorMode::Full && provider.is_enabled(buffer, buffer_position, cx)
1928 }
1929 } else {
1930 false
1931 }
1932 }
1933
1934 fn inline_completions_disabled_in_scope(
1935 &self,
1936 buffer: &Entity<Buffer>,
1937 buffer_position: language::Anchor,
1938 cx: &App,
1939 ) -> bool {
1940 let snapshot = buffer.read(cx).snapshot();
1941 let settings = snapshot.settings_at(buffer_position, cx);
1942
1943 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1944 return false;
1945 };
1946
1947 scope.override_name().map_or(false, |scope_name| {
1948 settings
1949 .inline_completions_disabled_in
1950 .iter()
1951 .any(|s| s == scope_name)
1952 })
1953 }
1954
1955 pub fn set_use_modal_editing(&mut self, to: bool) {
1956 self.use_modal_editing = to;
1957 }
1958
1959 pub fn use_modal_editing(&self) -> bool {
1960 self.use_modal_editing
1961 }
1962
1963 fn selections_did_change(
1964 &mut self,
1965 local: bool,
1966 old_cursor_position: &Anchor,
1967 show_completions: bool,
1968 window: &mut Window,
1969 cx: &mut Context<Self>,
1970 ) {
1971 window.invalidate_character_coordinates();
1972
1973 // Copy selections to primary selection buffer
1974 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1975 if local {
1976 let selections = self.selections.all::<usize>(cx);
1977 let buffer_handle = self.buffer.read(cx).read(cx);
1978
1979 let mut text = String::new();
1980 for (index, selection) in selections.iter().enumerate() {
1981 let text_for_selection = buffer_handle
1982 .text_for_range(selection.start..selection.end)
1983 .collect::<String>();
1984
1985 text.push_str(&text_for_selection);
1986 if index != selections.len() - 1 {
1987 text.push('\n');
1988 }
1989 }
1990
1991 if !text.is_empty() {
1992 cx.write_to_primary(ClipboardItem::new_string(text));
1993 }
1994 }
1995
1996 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
1997 self.buffer.update(cx, |buffer, cx| {
1998 buffer.set_active_selections(
1999 &self.selections.disjoint_anchors(),
2000 self.selections.line_mode,
2001 self.cursor_shape,
2002 cx,
2003 )
2004 });
2005 }
2006 let display_map = self
2007 .display_map
2008 .update(cx, |display_map, cx| display_map.snapshot(cx));
2009 let buffer = &display_map.buffer_snapshot;
2010 self.add_selections_state = None;
2011 self.select_next_state = None;
2012 self.select_prev_state = None;
2013 self.select_larger_syntax_node_stack.clear();
2014 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2015 self.snippet_stack
2016 .invalidate(&self.selections.disjoint_anchors(), buffer);
2017 self.take_rename(false, window, cx);
2018
2019 let new_cursor_position = self.selections.newest_anchor().head();
2020
2021 self.push_to_nav_history(
2022 *old_cursor_position,
2023 Some(new_cursor_position.to_point(buffer)),
2024 cx,
2025 );
2026
2027 if local {
2028 let new_cursor_position = self.selections.newest_anchor().head();
2029 let mut context_menu = self.context_menu.borrow_mut();
2030 let completion_menu = match context_menu.as_ref() {
2031 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2032 _ => {
2033 *context_menu = None;
2034 None
2035 }
2036 };
2037
2038 if let Some(completion_menu) = completion_menu {
2039 let cursor_position = new_cursor_position.to_offset(buffer);
2040 let (word_range, kind) =
2041 buffer.surrounding_word(completion_menu.initial_position, true);
2042 if kind == Some(CharKind::Word)
2043 && word_range.to_inclusive().contains(&cursor_position)
2044 {
2045 let mut completion_menu = completion_menu.clone();
2046 drop(context_menu);
2047
2048 let query = Self::completion_query(buffer, cursor_position);
2049 cx.spawn(move |this, mut cx| async move {
2050 completion_menu
2051 .filter(query.as_deref(), cx.background_executor().clone())
2052 .await;
2053
2054 this.update(&mut cx, |this, cx| {
2055 let mut context_menu = this.context_menu.borrow_mut();
2056 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2057 else {
2058 return;
2059 };
2060
2061 if menu.id > completion_menu.id {
2062 return;
2063 }
2064
2065 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2066 drop(context_menu);
2067 cx.notify();
2068 })
2069 })
2070 .detach();
2071
2072 if show_completions {
2073 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2074 }
2075 } else {
2076 drop(context_menu);
2077 self.hide_context_menu(window, cx);
2078 }
2079 } else {
2080 drop(context_menu);
2081 }
2082
2083 hide_hover(self, cx);
2084
2085 if old_cursor_position.to_display_point(&display_map).row()
2086 != new_cursor_position.to_display_point(&display_map).row()
2087 {
2088 self.available_code_actions.take();
2089 }
2090 self.refresh_code_actions(window, cx);
2091 self.refresh_document_highlights(cx);
2092 refresh_matching_bracket_highlights(self, window, cx);
2093 self.update_visible_inline_completion(window, cx);
2094 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2095 if self.git_blame_inline_enabled {
2096 self.start_inline_blame_timer(window, cx);
2097 }
2098 }
2099
2100 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2101 cx.emit(EditorEvent::SelectionsChanged { local });
2102
2103 if self.selections.disjoint_anchors().len() == 1 {
2104 cx.emit(SearchEvent::ActiveMatchChanged)
2105 }
2106 cx.notify();
2107 }
2108
2109 pub fn change_selections<R>(
2110 &mut self,
2111 autoscroll: Option<Autoscroll>,
2112 window: &mut Window,
2113 cx: &mut Context<Self>,
2114 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2115 ) -> R {
2116 self.change_selections_inner(autoscroll, true, window, cx, change)
2117 }
2118
2119 pub fn change_selections_inner<R>(
2120 &mut self,
2121 autoscroll: Option<Autoscroll>,
2122 request_completions: bool,
2123 window: &mut Window,
2124 cx: &mut Context<Self>,
2125 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2126 ) -> R {
2127 let old_cursor_position = self.selections.newest_anchor().head();
2128 self.push_to_selection_history();
2129
2130 let (changed, result) = self.selections.change_with(cx, change);
2131
2132 if changed {
2133 if let Some(autoscroll) = autoscroll {
2134 self.request_autoscroll(autoscroll, cx);
2135 }
2136 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2137
2138 if self.should_open_signature_help_automatically(
2139 &old_cursor_position,
2140 self.signature_help_state.backspace_pressed(),
2141 cx,
2142 ) {
2143 self.show_signature_help(&ShowSignatureHelp, window, cx);
2144 }
2145 self.signature_help_state.set_backspace_pressed(false);
2146 }
2147
2148 result
2149 }
2150
2151 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2152 where
2153 I: IntoIterator<Item = (Range<S>, T)>,
2154 S: ToOffset,
2155 T: Into<Arc<str>>,
2156 {
2157 if self.read_only(cx) {
2158 return;
2159 }
2160
2161 self.buffer
2162 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2163 }
2164
2165 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2166 where
2167 I: IntoIterator<Item = (Range<S>, T)>,
2168 S: ToOffset,
2169 T: Into<Arc<str>>,
2170 {
2171 if self.read_only(cx) {
2172 return;
2173 }
2174
2175 self.buffer.update(cx, |buffer, cx| {
2176 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2177 });
2178 }
2179
2180 pub fn edit_with_block_indent<I, S, T>(
2181 &mut self,
2182 edits: I,
2183 original_indent_columns: Vec<u32>,
2184 cx: &mut Context<Self>,
2185 ) where
2186 I: IntoIterator<Item = (Range<S>, T)>,
2187 S: ToOffset,
2188 T: Into<Arc<str>>,
2189 {
2190 if self.read_only(cx) {
2191 return;
2192 }
2193
2194 self.buffer.update(cx, |buffer, cx| {
2195 buffer.edit(
2196 edits,
2197 Some(AutoindentMode::Block {
2198 original_indent_columns,
2199 }),
2200 cx,
2201 )
2202 });
2203 }
2204
2205 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2206 self.hide_context_menu(window, cx);
2207
2208 match phase {
2209 SelectPhase::Begin {
2210 position,
2211 add,
2212 click_count,
2213 } => self.begin_selection(position, add, click_count, window, cx),
2214 SelectPhase::BeginColumnar {
2215 position,
2216 goal_column,
2217 reset,
2218 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2219 SelectPhase::Extend {
2220 position,
2221 click_count,
2222 } => self.extend_selection(position, click_count, window, cx),
2223 SelectPhase::Update {
2224 position,
2225 goal_column,
2226 scroll_delta,
2227 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2228 SelectPhase::End => self.end_selection(window, cx),
2229 }
2230 }
2231
2232 fn extend_selection(
2233 &mut self,
2234 position: DisplayPoint,
2235 click_count: usize,
2236 window: &mut Window,
2237 cx: &mut Context<Self>,
2238 ) {
2239 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2240 let tail = self.selections.newest::<usize>(cx).tail();
2241 self.begin_selection(position, false, click_count, window, cx);
2242
2243 let position = position.to_offset(&display_map, Bias::Left);
2244 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2245
2246 let mut pending_selection = self
2247 .selections
2248 .pending_anchor()
2249 .expect("extend_selection not called with pending selection");
2250 if position >= tail {
2251 pending_selection.start = tail_anchor;
2252 } else {
2253 pending_selection.end = tail_anchor;
2254 pending_selection.reversed = true;
2255 }
2256
2257 let mut pending_mode = self.selections.pending_mode().unwrap();
2258 match &mut pending_mode {
2259 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2260 _ => {}
2261 }
2262
2263 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2264 s.set_pending(pending_selection, pending_mode)
2265 });
2266 }
2267
2268 fn begin_selection(
2269 &mut self,
2270 position: DisplayPoint,
2271 add: bool,
2272 click_count: usize,
2273 window: &mut Window,
2274 cx: &mut Context<Self>,
2275 ) {
2276 if !self.focus_handle.is_focused(window) {
2277 self.last_focused_descendant = None;
2278 window.focus(&self.focus_handle);
2279 }
2280
2281 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2282 let buffer = &display_map.buffer_snapshot;
2283 let newest_selection = self.selections.newest_anchor().clone();
2284 let position = display_map.clip_point(position, Bias::Left);
2285
2286 let start;
2287 let end;
2288 let mode;
2289 let mut auto_scroll;
2290 match click_count {
2291 1 => {
2292 start = buffer.anchor_before(position.to_point(&display_map));
2293 end = start;
2294 mode = SelectMode::Character;
2295 auto_scroll = true;
2296 }
2297 2 => {
2298 let range = movement::surrounding_word(&display_map, position);
2299 start = buffer.anchor_before(range.start.to_point(&display_map));
2300 end = buffer.anchor_before(range.end.to_point(&display_map));
2301 mode = SelectMode::Word(start..end);
2302 auto_scroll = true;
2303 }
2304 3 => {
2305 let position = display_map
2306 .clip_point(position, Bias::Left)
2307 .to_point(&display_map);
2308 let line_start = display_map.prev_line_boundary(position).0;
2309 let next_line_start = buffer.clip_point(
2310 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2311 Bias::Left,
2312 );
2313 start = buffer.anchor_before(line_start);
2314 end = buffer.anchor_before(next_line_start);
2315 mode = SelectMode::Line(start..end);
2316 auto_scroll = true;
2317 }
2318 _ => {
2319 start = buffer.anchor_before(0);
2320 end = buffer.anchor_before(buffer.len());
2321 mode = SelectMode::All;
2322 auto_scroll = false;
2323 }
2324 }
2325 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2326
2327 let point_to_delete: Option<usize> = {
2328 let selected_points: Vec<Selection<Point>> =
2329 self.selections.disjoint_in_range(start..end, cx);
2330
2331 if !add || click_count > 1 {
2332 None
2333 } else if !selected_points.is_empty() {
2334 Some(selected_points[0].id)
2335 } else {
2336 let clicked_point_already_selected =
2337 self.selections.disjoint.iter().find(|selection| {
2338 selection.start.to_point(buffer) == start.to_point(buffer)
2339 || selection.end.to_point(buffer) == end.to_point(buffer)
2340 });
2341
2342 clicked_point_already_selected.map(|selection| selection.id)
2343 }
2344 };
2345
2346 let selections_count = self.selections.count();
2347
2348 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2349 if let Some(point_to_delete) = point_to_delete {
2350 s.delete(point_to_delete);
2351
2352 if selections_count == 1 {
2353 s.set_pending_anchor_range(start..end, mode);
2354 }
2355 } else {
2356 if !add {
2357 s.clear_disjoint();
2358 } else if click_count > 1 {
2359 s.delete(newest_selection.id)
2360 }
2361
2362 s.set_pending_anchor_range(start..end, mode);
2363 }
2364 });
2365 }
2366
2367 fn begin_columnar_selection(
2368 &mut self,
2369 position: DisplayPoint,
2370 goal_column: u32,
2371 reset: bool,
2372 window: &mut Window,
2373 cx: &mut Context<Self>,
2374 ) {
2375 if !self.focus_handle.is_focused(window) {
2376 self.last_focused_descendant = None;
2377 window.focus(&self.focus_handle);
2378 }
2379
2380 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2381
2382 if reset {
2383 let pointer_position = display_map
2384 .buffer_snapshot
2385 .anchor_before(position.to_point(&display_map));
2386
2387 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2388 s.clear_disjoint();
2389 s.set_pending_anchor_range(
2390 pointer_position..pointer_position,
2391 SelectMode::Character,
2392 );
2393 });
2394 }
2395
2396 let tail = self.selections.newest::<Point>(cx).tail();
2397 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2398
2399 if !reset {
2400 self.select_columns(
2401 tail.to_display_point(&display_map),
2402 position,
2403 goal_column,
2404 &display_map,
2405 window,
2406 cx,
2407 );
2408 }
2409 }
2410
2411 fn update_selection(
2412 &mut self,
2413 position: DisplayPoint,
2414 goal_column: u32,
2415 scroll_delta: gpui::Point<f32>,
2416 window: &mut Window,
2417 cx: &mut Context<Self>,
2418 ) {
2419 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2420
2421 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2422 let tail = tail.to_display_point(&display_map);
2423 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2424 } else if let Some(mut pending) = self.selections.pending_anchor() {
2425 let buffer = self.buffer.read(cx).snapshot(cx);
2426 let head;
2427 let tail;
2428 let mode = self.selections.pending_mode().unwrap();
2429 match &mode {
2430 SelectMode::Character => {
2431 head = position.to_point(&display_map);
2432 tail = pending.tail().to_point(&buffer);
2433 }
2434 SelectMode::Word(original_range) => {
2435 let original_display_range = original_range.start.to_display_point(&display_map)
2436 ..original_range.end.to_display_point(&display_map);
2437 let original_buffer_range = original_display_range.start.to_point(&display_map)
2438 ..original_display_range.end.to_point(&display_map);
2439 if movement::is_inside_word(&display_map, position)
2440 || original_display_range.contains(&position)
2441 {
2442 let word_range = movement::surrounding_word(&display_map, position);
2443 if word_range.start < original_display_range.start {
2444 head = word_range.start.to_point(&display_map);
2445 } else {
2446 head = word_range.end.to_point(&display_map);
2447 }
2448 } else {
2449 head = position.to_point(&display_map);
2450 }
2451
2452 if head <= original_buffer_range.start {
2453 tail = original_buffer_range.end;
2454 } else {
2455 tail = original_buffer_range.start;
2456 }
2457 }
2458 SelectMode::Line(original_range) => {
2459 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2460
2461 let position = display_map
2462 .clip_point(position, Bias::Left)
2463 .to_point(&display_map);
2464 let line_start = display_map.prev_line_boundary(position).0;
2465 let next_line_start = buffer.clip_point(
2466 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2467 Bias::Left,
2468 );
2469
2470 if line_start < original_range.start {
2471 head = line_start
2472 } else {
2473 head = next_line_start
2474 }
2475
2476 if head <= original_range.start {
2477 tail = original_range.end;
2478 } else {
2479 tail = original_range.start;
2480 }
2481 }
2482 SelectMode::All => {
2483 return;
2484 }
2485 };
2486
2487 if head < tail {
2488 pending.start = buffer.anchor_before(head);
2489 pending.end = buffer.anchor_before(tail);
2490 pending.reversed = true;
2491 } else {
2492 pending.start = buffer.anchor_before(tail);
2493 pending.end = buffer.anchor_before(head);
2494 pending.reversed = false;
2495 }
2496
2497 self.change_selections(None, window, cx, |s| {
2498 s.set_pending(pending, mode);
2499 });
2500 } else {
2501 log::error!("update_selection dispatched with no pending selection");
2502 return;
2503 }
2504
2505 self.apply_scroll_delta(scroll_delta, window, cx);
2506 cx.notify();
2507 }
2508
2509 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2510 self.columnar_selection_tail.take();
2511 if self.selections.pending_anchor().is_some() {
2512 let selections = self.selections.all::<usize>(cx);
2513 self.change_selections(None, window, cx, |s| {
2514 s.select(selections);
2515 s.clear_pending();
2516 });
2517 }
2518 }
2519
2520 fn select_columns(
2521 &mut self,
2522 tail: DisplayPoint,
2523 head: DisplayPoint,
2524 goal_column: u32,
2525 display_map: &DisplaySnapshot,
2526 window: &mut Window,
2527 cx: &mut Context<Self>,
2528 ) {
2529 let start_row = cmp::min(tail.row(), head.row());
2530 let end_row = cmp::max(tail.row(), head.row());
2531 let start_column = cmp::min(tail.column(), goal_column);
2532 let end_column = cmp::max(tail.column(), goal_column);
2533 let reversed = start_column < tail.column();
2534
2535 let selection_ranges = (start_row.0..=end_row.0)
2536 .map(DisplayRow)
2537 .filter_map(|row| {
2538 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2539 let start = display_map
2540 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2541 .to_point(display_map);
2542 let end = display_map
2543 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2544 .to_point(display_map);
2545 if reversed {
2546 Some(end..start)
2547 } else {
2548 Some(start..end)
2549 }
2550 } else {
2551 None
2552 }
2553 })
2554 .collect::<Vec<_>>();
2555
2556 self.change_selections(None, window, cx, |s| {
2557 s.select_ranges(selection_ranges);
2558 });
2559 cx.notify();
2560 }
2561
2562 pub fn has_pending_nonempty_selection(&self) -> bool {
2563 let pending_nonempty_selection = match self.selections.pending_anchor() {
2564 Some(Selection { start, end, .. }) => start != end,
2565 None => false,
2566 };
2567
2568 pending_nonempty_selection
2569 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2570 }
2571
2572 pub fn has_pending_selection(&self) -> bool {
2573 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2574 }
2575
2576 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2577 self.selection_mark_mode = false;
2578
2579 if self.clear_expanded_diff_hunks(cx) {
2580 cx.notify();
2581 return;
2582 }
2583 if self.dismiss_menus_and_popups(true, window, cx) {
2584 return;
2585 }
2586
2587 if self.mode == EditorMode::Full
2588 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2589 {
2590 return;
2591 }
2592
2593 cx.propagate();
2594 }
2595
2596 pub fn dismiss_menus_and_popups(
2597 &mut self,
2598 should_report_inline_completion_event: bool,
2599 window: &mut Window,
2600 cx: &mut Context<Self>,
2601 ) -> bool {
2602 if self.take_rename(false, window, cx).is_some() {
2603 return true;
2604 }
2605
2606 if hide_hover(self, cx) {
2607 return true;
2608 }
2609
2610 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2611 return true;
2612 }
2613
2614 if self.hide_context_menu(window, cx).is_some() {
2615 if self.show_inline_completions_in_menu(cx) && self.has_active_inline_completion() {
2616 self.update_visible_inline_completion(window, cx);
2617 }
2618 return true;
2619 }
2620
2621 if self.mouse_context_menu.take().is_some() {
2622 return true;
2623 }
2624
2625 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2626 return true;
2627 }
2628
2629 if self.snippet_stack.pop().is_some() {
2630 return true;
2631 }
2632
2633 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2634 self.dismiss_diagnostics(cx);
2635 return true;
2636 }
2637
2638 false
2639 }
2640
2641 fn linked_editing_ranges_for(
2642 &self,
2643 selection: Range<text::Anchor>,
2644 cx: &App,
2645 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2646 if self.linked_edit_ranges.is_empty() {
2647 return None;
2648 }
2649 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2650 selection.end.buffer_id.and_then(|end_buffer_id| {
2651 if selection.start.buffer_id != Some(end_buffer_id) {
2652 return None;
2653 }
2654 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2655 let snapshot = buffer.read(cx).snapshot();
2656 self.linked_edit_ranges
2657 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2658 .map(|ranges| (ranges, snapshot, buffer))
2659 })?;
2660 use text::ToOffset as TO;
2661 // find offset from the start of current range to current cursor position
2662 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2663
2664 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2665 let start_difference = start_offset - start_byte_offset;
2666 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2667 let end_difference = end_offset - start_byte_offset;
2668 // Current range has associated linked ranges.
2669 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2670 for range in linked_ranges.iter() {
2671 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2672 let end_offset = start_offset + end_difference;
2673 let start_offset = start_offset + start_difference;
2674 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2675 continue;
2676 }
2677 if self.selections.disjoint_anchor_ranges().any(|s| {
2678 if s.start.buffer_id != selection.start.buffer_id
2679 || s.end.buffer_id != selection.end.buffer_id
2680 {
2681 return false;
2682 }
2683 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2684 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2685 }) {
2686 continue;
2687 }
2688 let start = buffer_snapshot.anchor_after(start_offset);
2689 let end = buffer_snapshot.anchor_after(end_offset);
2690 linked_edits
2691 .entry(buffer.clone())
2692 .or_default()
2693 .push(start..end);
2694 }
2695 Some(linked_edits)
2696 }
2697
2698 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2699 let text: Arc<str> = text.into();
2700
2701 if self.read_only(cx) {
2702 return;
2703 }
2704
2705 let selections = self.selections.all_adjusted(cx);
2706 let mut bracket_inserted = false;
2707 let mut edits = Vec::new();
2708 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2709 let mut new_selections = Vec::with_capacity(selections.len());
2710 let mut new_autoclose_regions = Vec::new();
2711 let snapshot = self.buffer.read(cx).read(cx);
2712
2713 for (selection, autoclose_region) in
2714 self.selections_with_autoclose_regions(selections, &snapshot)
2715 {
2716 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2717 // Determine if the inserted text matches the opening or closing
2718 // bracket of any of this language's bracket pairs.
2719 let mut bracket_pair = None;
2720 let mut is_bracket_pair_start = false;
2721 let mut is_bracket_pair_end = false;
2722 if !text.is_empty() {
2723 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2724 // and they are removing the character that triggered IME popup.
2725 for (pair, enabled) in scope.brackets() {
2726 if !pair.close && !pair.surround {
2727 continue;
2728 }
2729
2730 if enabled && pair.start.ends_with(text.as_ref()) {
2731 let prefix_len = pair.start.len() - text.len();
2732 let preceding_text_matches_prefix = prefix_len == 0
2733 || (selection.start.column >= (prefix_len as u32)
2734 && snapshot.contains_str_at(
2735 Point::new(
2736 selection.start.row,
2737 selection.start.column - (prefix_len as u32),
2738 ),
2739 &pair.start[..prefix_len],
2740 ));
2741 if preceding_text_matches_prefix {
2742 bracket_pair = Some(pair.clone());
2743 is_bracket_pair_start = true;
2744 break;
2745 }
2746 }
2747 if pair.end.as_str() == text.as_ref() {
2748 bracket_pair = Some(pair.clone());
2749 is_bracket_pair_end = true;
2750 break;
2751 }
2752 }
2753 }
2754
2755 if let Some(bracket_pair) = bracket_pair {
2756 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2757 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2758 let auto_surround =
2759 self.use_auto_surround && snapshot_settings.use_auto_surround;
2760 if selection.is_empty() {
2761 if is_bracket_pair_start {
2762 // If the inserted text is a suffix of an opening bracket and the
2763 // selection is preceded by the rest of the opening bracket, then
2764 // insert the closing bracket.
2765 let following_text_allows_autoclose = snapshot
2766 .chars_at(selection.start)
2767 .next()
2768 .map_or(true, |c| scope.should_autoclose_before(c));
2769
2770 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2771 && bracket_pair.start.len() == 1
2772 {
2773 let target = bracket_pair.start.chars().next().unwrap();
2774 let current_line_count = snapshot
2775 .reversed_chars_at(selection.start)
2776 .take_while(|&c| c != '\n')
2777 .filter(|&c| c == target)
2778 .count();
2779 current_line_count % 2 == 1
2780 } else {
2781 false
2782 };
2783
2784 if autoclose
2785 && bracket_pair.close
2786 && following_text_allows_autoclose
2787 && !is_closing_quote
2788 {
2789 let anchor = snapshot.anchor_before(selection.end);
2790 new_selections.push((selection.map(|_| anchor), text.len()));
2791 new_autoclose_regions.push((
2792 anchor,
2793 text.len(),
2794 selection.id,
2795 bracket_pair.clone(),
2796 ));
2797 edits.push((
2798 selection.range(),
2799 format!("{}{}", text, bracket_pair.end).into(),
2800 ));
2801 bracket_inserted = true;
2802 continue;
2803 }
2804 }
2805
2806 if let Some(region) = autoclose_region {
2807 // If the selection is followed by an auto-inserted closing bracket,
2808 // then don't insert that closing bracket again; just move the selection
2809 // past the closing bracket.
2810 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2811 && text.as_ref() == region.pair.end.as_str();
2812 if should_skip {
2813 let anchor = snapshot.anchor_after(selection.end);
2814 new_selections
2815 .push((selection.map(|_| anchor), region.pair.end.len()));
2816 continue;
2817 }
2818 }
2819
2820 let always_treat_brackets_as_autoclosed = snapshot
2821 .settings_at(selection.start, cx)
2822 .always_treat_brackets_as_autoclosed;
2823 if always_treat_brackets_as_autoclosed
2824 && is_bracket_pair_end
2825 && snapshot.contains_str_at(selection.end, text.as_ref())
2826 {
2827 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2828 // and the inserted text is a closing bracket and the selection is followed
2829 // by the closing bracket then move the selection past the closing bracket.
2830 let anchor = snapshot.anchor_after(selection.end);
2831 new_selections.push((selection.map(|_| anchor), text.len()));
2832 continue;
2833 }
2834 }
2835 // If an opening bracket is 1 character long and is typed while
2836 // text is selected, then surround that text with the bracket pair.
2837 else if auto_surround
2838 && bracket_pair.surround
2839 && is_bracket_pair_start
2840 && bracket_pair.start.chars().count() == 1
2841 {
2842 edits.push((selection.start..selection.start, text.clone()));
2843 edits.push((
2844 selection.end..selection.end,
2845 bracket_pair.end.as_str().into(),
2846 ));
2847 bracket_inserted = true;
2848 new_selections.push((
2849 Selection {
2850 id: selection.id,
2851 start: snapshot.anchor_after(selection.start),
2852 end: snapshot.anchor_before(selection.end),
2853 reversed: selection.reversed,
2854 goal: selection.goal,
2855 },
2856 0,
2857 ));
2858 continue;
2859 }
2860 }
2861 }
2862
2863 if self.auto_replace_emoji_shortcode
2864 && selection.is_empty()
2865 && text.as_ref().ends_with(':')
2866 {
2867 if let Some(possible_emoji_short_code) =
2868 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2869 {
2870 if !possible_emoji_short_code.is_empty() {
2871 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2872 let emoji_shortcode_start = Point::new(
2873 selection.start.row,
2874 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2875 );
2876
2877 // Remove shortcode from buffer
2878 edits.push((
2879 emoji_shortcode_start..selection.start,
2880 "".to_string().into(),
2881 ));
2882 new_selections.push((
2883 Selection {
2884 id: selection.id,
2885 start: snapshot.anchor_after(emoji_shortcode_start),
2886 end: snapshot.anchor_before(selection.start),
2887 reversed: selection.reversed,
2888 goal: selection.goal,
2889 },
2890 0,
2891 ));
2892
2893 // Insert emoji
2894 let selection_start_anchor = snapshot.anchor_after(selection.start);
2895 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2896 edits.push((selection.start..selection.end, emoji.to_string().into()));
2897
2898 continue;
2899 }
2900 }
2901 }
2902 }
2903
2904 // If not handling any auto-close operation, then just replace the selected
2905 // text with the given input and move the selection to the end of the
2906 // newly inserted text.
2907 let anchor = snapshot.anchor_after(selection.end);
2908 if !self.linked_edit_ranges.is_empty() {
2909 let start_anchor = snapshot.anchor_before(selection.start);
2910
2911 let is_word_char = text.chars().next().map_or(true, |char| {
2912 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2913 classifier.is_word(char)
2914 });
2915
2916 if is_word_char {
2917 if let Some(ranges) = self
2918 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2919 {
2920 for (buffer, edits) in ranges {
2921 linked_edits
2922 .entry(buffer.clone())
2923 .or_default()
2924 .extend(edits.into_iter().map(|range| (range, text.clone())));
2925 }
2926 }
2927 }
2928 }
2929
2930 new_selections.push((selection.map(|_| anchor), 0));
2931 edits.push((selection.start..selection.end, text.clone()));
2932 }
2933
2934 drop(snapshot);
2935
2936 self.transact(window, cx, |this, window, cx| {
2937 this.buffer.update(cx, |buffer, cx| {
2938 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2939 });
2940 for (buffer, edits) in linked_edits {
2941 buffer.update(cx, |buffer, cx| {
2942 let snapshot = buffer.snapshot();
2943 let edits = edits
2944 .into_iter()
2945 .map(|(range, text)| {
2946 use text::ToPoint as TP;
2947 let end_point = TP::to_point(&range.end, &snapshot);
2948 let start_point = TP::to_point(&range.start, &snapshot);
2949 (start_point..end_point, text)
2950 })
2951 .sorted_by_key(|(range, _)| range.start)
2952 .collect::<Vec<_>>();
2953 buffer.edit(edits, None, cx);
2954 })
2955 }
2956 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2957 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2958 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2959 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2960 .zip(new_selection_deltas)
2961 .map(|(selection, delta)| Selection {
2962 id: selection.id,
2963 start: selection.start + delta,
2964 end: selection.end + delta,
2965 reversed: selection.reversed,
2966 goal: SelectionGoal::None,
2967 })
2968 .collect::<Vec<_>>();
2969
2970 let mut i = 0;
2971 for (position, delta, selection_id, pair) in new_autoclose_regions {
2972 let position = position.to_offset(&map.buffer_snapshot) + delta;
2973 let start = map.buffer_snapshot.anchor_before(position);
2974 let end = map.buffer_snapshot.anchor_after(position);
2975 while let Some(existing_state) = this.autoclose_regions.get(i) {
2976 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2977 Ordering::Less => i += 1,
2978 Ordering::Greater => break,
2979 Ordering::Equal => {
2980 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
2981 Ordering::Less => i += 1,
2982 Ordering::Equal => break,
2983 Ordering::Greater => break,
2984 }
2985 }
2986 }
2987 }
2988 this.autoclose_regions.insert(
2989 i,
2990 AutocloseRegion {
2991 selection_id,
2992 range: start..end,
2993 pair,
2994 },
2995 );
2996 }
2997
2998 let had_active_inline_completion = this.has_active_inline_completion();
2999 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
3000 s.select(new_selections)
3001 });
3002
3003 if !bracket_inserted {
3004 if let Some(on_type_format_task) =
3005 this.trigger_on_type_formatting(text.to_string(), window, cx)
3006 {
3007 on_type_format_task.detach_and_log_err(cx);
3008 }
3009 }
3010
3011 let editor_settings = EditorSettings::get_global(cx);
3012 if bracket_inserted
3013 && (editor_settings.auto_signature_help
3014 || editor_settings.show_signature_help_after_edits)
3015 {
3016 this.show_signature_help(&ShowSignatureHelp, window, cx);
3017 }
3018
3019 let trigger_in_words =
3020 this.show_inline_completions_in_menu(cx) || !had_active_inline_completion;
3021 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3022 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3023 this.refresh_inline_completion(true, false, window, cx);
3024 });
3025 }
3026
3027 fn find_possible_emoji_shortcode_at_position(
3028 snapshot: &MultiBufferSnapshot,
3029 position: Point,
3030 ) -> Option<String> {
3031 let mut chars = Vec::new();
3032 let mut found_colon = false;
3033 for char in snapshot.reversed_chars_at(position).take(100) {
3034 // Found a possible emoji shortcode in the middle of the buffer
3035 if found_colon {
3036 if char.is_whitespace() {
3037 chars.reverse();
3038 return Some(chars.iter().collect());
3039 }
3040 // If the previous character is not a whitespace, we are in the middle of a word
3041 // and we only want to complete the shortcode if the word is made up of other emojis
3042 let mut containing_word = String::new();
3043 for ch in snapshot
3044 .reversed_chars_at(position)
3045 .skip(chars.len() + 1)
3046 .take(100)
3047 {
3048 if ch.is_whitespace() {
3049 break;
3050 }
3051 containing_word.push(ch);
3052 }
3053 let containing_word = containing_word.chars().rev().collect::<String>();
3054 if util::word_consists_of_emojis(containing_word.as_str()) {
3055 chars.reverse();
3056 return Some(chars.iter().collect());
3057 }
3058 }
3059
3060 if char.is_whitespace() || !char.is_ascii() {
3061 return None;
3062 }
3063 if char == ':' {
3064 found_colon = true;
3065 } else {
3066 chars.push(char);
3067 }
3068 }
3069 // Found a possible emoji shortcode at the beginning of the buffer
3070 chars.reverse();
3071 Some(chars.iter().collect())
3072 }
3073
3074 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3075 self.transact(window, cx, |this, window, cx| {
3076 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3077 let selections = this.selections.all::<usize>(cx);
3078 let multi_buffer = this.buffer.read(cx);
3079 let buffer = multi_buffer.snapshot(cx);
3080 selections
3081 .iter()
3082 .map(|selection| {
3083 let start_point = selection.start.to_point(&buffer);
3084 let mut indent =
3085 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3086 indent.len = cmp::min(indent.len, start_point.column);
3087 let start = selection.start;
3088 let end = selection.end;
3089 let selection_is_empty = start == end;
3090 let language_scope = buffer.language_scope_at(start);
3091 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3092 &language_scope
3093 {
3094 let leading_whitespace_len = buffer
3095 .reversed_chars_at(start)
3096 .take_while(|c| c.is_whitespace() && *c != '\n')
3097 .map(|c| c.len_utf8())
3098 .sum::<usize>();
3099
3100 let trailing_whitespace_len = buffer
3101 .chars_at(end)
3102 .take_while(|c| c.is_whitespace() && *c != '\n')
3103 .map(|c| c.len_utf8())
3104 .sum::<usize>();
3105
3106 let insert_extra_newline =
3107 language.brackets().any(|(pair, enabled)| {
3108 let pair_start = pair.start.trim_end();
3109 let pair_end = pair.end.trim_start();
3110
3111 enabled
3112 && pair.newline
3113 && buffer.contains_str_at(
3114 end + trailing_whitespace_len,
3115 pair_end,
3116 )
3117 && buffer.contains_str_at(
3118 (start - leading_whitespace_len)
3119 .saturating_sub(pair_start.len()),
3120 pair_start,
3121 )
3122 });
3123
3124 // Comment extension on newline is allowed only for cursor selections
3125 let comment_delimiter = maybe!({
3126 if !selection_is_empty {
3127 return None;
3128 }
3129
3130 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3131 return None;
3132 }
3133
3134 let delimiters = language.line_comment_prefixes();
3135 let max_len_of_delimiter =
3136 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3137 let (snapshot, range) =
3138 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3139
3140 let mut index_of_first_non_whitespace = 0;
3141 let comment_candidate = snapshot
3142 .chars_for_range(range)
3143 .skip_while(|c| {
3144 let should_skip = c.is_whitespace();
3145 if should_skip {
3146 index_of_first_non_whitespace += 1;
3147 }
3148 should_skip
3149 })
3150 .take(max_len_of_delimiter)
3151 .collect::<String>();
3152 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3153 comment_candidate.starts_with(comment_prefix.as_ref())
3154 })?;
3155 let cursor_is_placed_after_comment_marker =
3156 index_of_first_non_whitespace + comment_prefix.len()
3157 <= start_point.column as usize;
3158 if cursor_is_placed_after_comment_marker {
3159 Some(comment_prefix.clone())
3160 } else {
3161 None
3162 }
3163 });
3164 (comment_delimiter, insert_extra_newline)
3165 } else {
3166 (None, false)
3167 };
3168
3169 let capacity_for_delimiter = comment_delimiter
3170 .as_deref()
3171 .map(str::len)
3172 .unwrap_or_default();
3173 let mut new_text =
3174 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3175 new_text.push('\n');
3176 new_text.extend(indent.chars());
3177 if let Some(delimiter) = &comment_delimiter {
3178 new_text.push_str(delimiter);
3179 }
3180 if insert_extra_newline {
3181 new_text = new_text.repeat(2);
3182 }
3183
3184 let anchor = buffer.anchor_after(end);
3185 let new_selection = selection.map(|_| anchor);
3186 (
3187 (start..end, new_text),
3188 (insert_extra_newline, new_selection),
3189 )
3190 })
3191 .unzip()
3192 };
3193
3194 this.edit_with_autoindent(edits, cx);
3195 let buffer = this.buffer.read(cx).snapshot(cx);
3196 let new_selections = selection_fixup_info
3197 .into_iter()
3198 .map(|(extra_newline_inserted, new_selection)| {
3199 let mut cursor = new_selection.end.to_point(&buffer);
3200 if extra_newline_inserted {
3201 cursor.row -= 1;
3202 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3203 }
3204 new_selection.map(|_| cursor)
3205 })
3206 .collect();
3207
3208 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3209 s.select(new_selections)
3210 });
3211 this.refresh_inline_completion(true, false, window, cx);
3212 });
3213 }
3214
3215 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3216 let buffer = self.buffer.read(cx);
3217 let snapshot = buffer.snapshot(cx);
3218
3219 let mut edits = Vec::new();
3220 let mut rows = Vec::new();
3221
3222 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3223 let cursor = selection.head();
3224 let row = cursor.row;
3225
3226 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3227
3228 let newline = "\n".to_string();
3229 edits.push((start_of_line..start_of_line, newline));
3230
3231 rows.push(row + rows_inserted as u32);
3232 }
3233
3234 self.transact(window, cx, |editor, window, cx| {
3235 editor.edit(edits, cx);
3236
3237 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3238 let mut index = 0;
3239 s.move_cursors_with(|map, _, _| {
3240 let row = rows[index];
3241 index += 1;
3242
3243 let point = Point::new(row, 0);
3244 let boundary = map.next_line_boundary(point).1;
3245 let clipped = map.clip_point(boundary, Bias::Left);
3246
3247 (clipped, SelectionGoal::None)
3248 });
3249 });
3250
3251 let mut indent_edits = Vec::new();
3252 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3253 for row in rows {
3254 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3255 for (row, indent) in indents {
3256 if indent.len == 0 {
3257 continue;
3258 }
3259
3260 let text = match indent.kind {
3261 IndentKind::Space => " ".repeat(indent.len as usize),
3262 IndentKind::Tab => "\t".repeat(indent.len as usize),
3263 };
3264 let point = Point::new(row.0, 0);
3265 indent_edits.push((point..point, text));
3266 }
3267 }
3268 editor.edit(indent_edits, cx);
3269 });
3270 }
3271
3272 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3273 let buffer = self.buffer.read(cx);
3274 let snapshot = buffer.snapshot(cx);
3275
3276 let mut edits = Vec::new();
3277 let mut rows = Vec::new();
3278 let mut rows_inserted = 0;
3279
3280 for selection in self.selections.all_adjusted(cx) {
3281 let cursor = selection.head();
3282 let row = cursor.row;
3283
3284 let point = Point::new(row + 1, 0);
3285 let start_of_line = snapshot.clip_point(point, Bias::Left);
3286
3287 let newline = "\n".to_string();
3288 edits.push((start_of_line..start_of_line, newline));
3289
3290 rows_inserted += 1;
3291 rows.push(row + rows_inserted);
3292 }
3293
3294 self.transact(window, cx, |editor, window, cx| {
3295 editor.edit(edits, cx);
3296
3297 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3298 let mut index = 0;
3299 s.move_cursors_with(|map, _, _| {
3300 let row = rows[index];
3301 index += 1;
3302
3303 let point = Point::new(row, 0);
3304 let boundary = map.next_line_boundary(point).1;
3305 let clipped = map.clip_point(boundary, Bias::Left);
3306
3307 (clipped, SelectionGoal::None)
3308 });
3309 });
3310
3311 let mut indent_edits = Vec::new();
3312 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3313 for row in rows {
3314 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3315 for (row, indent) in indents {
3316 if indent.len == 0 {
3317 continue;
3318 }
3319
3320 let text = match indent.kind {
3321 IndentKind::Space => " ".repeat(indent.len as usize),
3322 IndentKind::Tab => "\t".repeat(indent.len as usize),
3323 };
3324 let point = Point::new(row.0, 0);
3325 indent_edits.push((point..point, text));
3326 }
3327 }
3328 editor.edit(indent_edits, cx);
3329 });
3330 }
3331
3332 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3333 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3334 original_indent_columns: Vec::new(),
3335 });
3336 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3337 }
3338
3339 fn insert_with_autoindent_mode(
3340 &mut self,
3341 text: &str,
3342 autoindent_mode: Option<AutoindentMode>,
3343 window: &mut Window,
3344 cx: &mut Context<Self>,
3345 ) {
3346 if self.read_only(cx) {
3347 return;
3348 }
3349
3350 let text: Arc<str> = text.into();
3351 self.transact(window, cx, |this, window, cx| {
3352 let old_selections = this.selections.all_adjusted(cx);
3353 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3354 let anchors = {
3355 let snapshot = buffer.read(cx);
3356 old_selections
3357 .iter()
3358 .map(|s| {
3359 let anchor = snapshot.anchor_after(s.head());
3360 s.map(|_| anchor)
3361 })
3362 .collect::<Vec<_>>()
3363 };
3364 buffer.edit(
3365 old_selections
3366 .iter()
3367 .map(|s| (s.start..s.end, text.clone())),
3368 autoindent_mode,
3369 cx,
3370 );
3371 anchors
3372 });
3373
3374 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3375 s.select_anchors(selection_anchors);
3376 });
3377
3378 cx.notify();
3379 });
3380 }
3381
3382 fn trigger_completion_on_input(
3383 &mut self,
3384 text: &str,
3385 trigger_in_words: bool,
3386 window: &mut Window,
3387 cx: &mut Context<Self>,
3388 ) {
3389 if self.is_completion_trigger(text, trigger_in_words, cx) {
3390 self.show_completions(
3391 &ShowCompletions {
3392 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3393 },
3394 window,
3395 cx,
3396 );
3397 } else {
3398 self.hide_context_menu(window, cx);
3399 }
3400 }
3401
3402 fn is_completion_trigger(
3403 &self,
3404 text: &str,
3405 trigger_in_words: bool,
3406 cx: &mut Context<Self>,
3407 ) -> bool {
3408 let position = self.selections.newest_anchor().head();
3409 let multibuffer = self.buffer.read(cx);
3410 let Some(buffer) = position
3411 .buffer_id
3412 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3413 else {
3414 return false;
3415 };
3416
3417 if let Some(completion_provider) = &self.completion_provider {
3418 completion_provider.is_completion_trigger(
3419 &buffer,
3420 position.text_anchor,
3421 text,
3422 trigger_in_words,
3423 cx,
3424 )
3425 } else {
3426 false
3427 }
3428 }
3429
3430 /// If any empty selections is touching the start of its innermost containing autoclose
3431 /// region, expand it to select the brackets.
3432 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3433 let selections = self.selections.all::<usize>(cx);
3434 let buffer = self.buffer.read(cx).read(cx);
3435 let new_selections = self
3436 .selections_with_autoclose_regions(selections, &buffer)
3437 .map(|(mut selection, region)| {
3438 if !selection.is_empty() {
3439 return selection;
3440 }
3441
3442 if let Some(region) = region {
3443 let mut range = region.range.to_offset(&buffer);
3444 if selection.start == range.start && range.start >= region.pair.start.len() {
3445 range.start -= region.pair.start.len();
3446 if buffer.contains_str_at(range.start, ®ion.pair.start)
3447 && buffer.contains_str_at(range.end, ®ion.pair.end)
3448 {
3449 range.end += region.pair.end.len();
3450 selection.start = range.start;
3451 selection.end = range.end;
3452
3453 return selection;
3454 }
3455 }
3456 }
3457
3458 let always_treat_brackets_as_autoclosed = buffer
3459 .settings_at(selection.start, cx)
3460 .always_treat_brackets_as_autoclosed;
3461
3462 if !always_treat_brackets_as_autoclosed {
3463 return selection;
3464 }
3465
3466 if let Some(scope) = buffer.language_scope_at(selection.start) {
3467 for (pair, enabled) in scope.brackets() {
3468 if !enabled || !pair.close {
3469 continue;
3470 }
3471
3472 if buffer.contains_str_at(selection.start, &pair.end) {
3473 let pair_start_len = pair.start.len();
3474 if buffer.contains_str_at(
3475 selection.start.saturating_sub(pair_start_len),
3476 &pair.start,
3477 ) {
3478 selection.start -= pair_start_len;
3479 selection.end += pair.end.len();
3480
3481 return selection;
3482 }
3483 }
3484 }
3485 }
3486
3487 selection
3488 })
3489 .collect();
3490
3491 drop(buffer);
3492 self.change_selections(None, window, cx, |selections| {
3493 selections.select(new_selections)
3494 });
3495 }
3496
3497 /// Iterate the given selections, and for each one, find the smallest surrounding
3498 /// autoclose region. This uses the ordering of the selections and the autoclose
3499 /// regions to avoid repeated comparisons.
3500 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3501 &'a self,
3502 selections: impl IntoIterator<Item = Selection<D>>,
3503 buffer: &'a MultiBufferSnapshot,
3504 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3505 let mut i = 0;
3506 let mut regions = self.autoclose_regions.as_slice();
3507 selections.into_iter().map(move |selection| {
3508 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3509
3510 let mut enclosing = None;
3511 while let Some(pair_state) = regions.get(i) {
3512 if pair_state.range.end.to_offset(buffer) < range.start {
3513 regions = ®ions[i + 1..];
3514 i = 0;
3515 } else if pair_state.range.start.to_offset(buffer) > range.end {
3516 break;
3517 } else {
3518 if pair_state.selection_id == selection.id {
3519 enclosing = Some(pair_state);
3520 }
3521 i += 1;
3522 }
3523 }
3524
3525 (selection, enclosing)
3526 })
3527 }
3528
3529 /// Remove any autoclose regions that no longer contain their selection.
3530 fn invalidate_autoclose_regions(
3531 &mut self,
3532 mut selections: &[Selection<Anchor>],
3533 buffer: &MultiBufferSnapshot,
3534 ) {
3535 self.autoclose_regions.retain(|state| {
3536 let mut i = 0;
3537 while let Some(selection) = selections.get(i) {
3538 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3539 selections = &selections[1..];
3540 continue;
3541 }
3542 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3543 break;
3544 }
3545 if selection.id == state.selection_id {
3546 return true;
3547 } else {
3548 i += 1;
3549 }
3550 }
3551 false
3552 });
3553 }
3554
3555 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3556 let offset = position.to_offset(buffer);
3557 let (word_range, kind) = buffer.surrounding_word(offset, true);
3558 if offset > word_range.start && kind == Some(CharKind::Word) {
3559 Some(
3560 buffer
3561 .text_for_range(word_range.start..offset)
3562 .collect::<String>(),
3563 )
3564 } else {
3565 None
3566 }
3567 }
3568
3569 pub fn toggle_inlay_hints(
3570 &mut self,
3571 _: &ToggleInlayHints,
3572 _: &mut Window,
3573 cx: &mut Context<Self>,
3574 ) {
3575 self.refresh_inlay_hints(
3576 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3577 cx,
3578 );
3579 }
3580
3581 pub fn inlay_hints_enabled(&self) -> bool {
3582 self.inlay_hint_cache.enabled
3583 }
3584
3585 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3586 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3587 return;
3588 }
3589
3590 let reason_description = reason.description();
3591 let ignore_debounce = matches!(
3592 reason,
3593 InlayHintRefreshReason::SettingsChange(_)
3594 | InlayHintRefreshReason::Toggle(_)
3595 | InlayHintRefreshReason::ExcerptsRemoved(_)
3596 );
3597 let (invalidate_cache, required_languages) = match reason {
3598 InlayHintRefreshReason::Toggle(enabled) => {
3599 self.inlay_hint_cache.enabled = enabled;
3600 if enabled {
3601 (InvalidationStrategy::RefreshRequested, None)
3602 } else {
3603 self.inlay_hint_cache.clear();
3604 self.splice_inlays(
3605 self.visible_inlay_hints(cx)
3606 .iter()
3607 .map(|inlay| inlay.id)
3608 .collect(),
3609 Vec::new(),
3610 cx,
3611 );
3612 return;
3613 }
3614 }
3615 InlayHintRefreshReason::SettingsChange(new_settings) => {
3616 match self.inlay_hint_cache.update_settings(
3617 &self.buffer,
3618 new_settings,
3619 self.visible_inlay_hints(cx),
3620 cx,
3621 ) {
3622 ControlFlow::Break(Some(InlaySplice {
3623 to_remove,
3624 to_insert,
3625 })) => {
3626 self.splice_inlays(to_remove, to_insert, cx);
3627 return;
3628 }
3629 ControlFlow::Break(None) => return,
3630 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3631 }
3632 }
3633 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3634 if let Some(InlaySplice {
3635 to_remove,
3636 to_insert,
3637 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3638 {
3639 self.splice_inlays(to_remove, to_insert, cx);
3640 }
3641 return;
3642 }
3643 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3644 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3645 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3646 }
3647 InlayHintRefreshReason::RefreshRequested => {
3648 (InvalidationStrategy::RefreshRequested, None)
3649 }
3650 };
3651
3652 if let Some(InlaySplice {
3653 to_remove,
3654 to_insert,
3655 }) = self.inlay_hint_cache.spawn_hint_refresh(
3656 reason_description,
3657 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3658 invalidate_cache,
3659 ignore_debounce,
3660 cx,
3661 ) {
3662 self.splice_inlays(to_remove, to_insert, cx);
3663 }
3664 }
3665
3666 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3667 self.display_map
3668 .read(cx)
3669 .current_inlays()
3670 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3671 .cloned()
3672 .collect()
3673 }
3674
3675 pub fn excerpts_for_inlay_hints_query(
3676 &self,
3677 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3678 cx: &mut Context<Editor>,
3679 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3680 let Some(project) = self.project.as_ref() else {
3681 return HashMap::default();
3682 };
3683 let project = project.read(cx);
3684 let multi_buffer = self.buffer().read(cx);
3685 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3686 let multi_buffer_visible_start = self
3687 .scroll_manager
3688 .anchor()
3689 .anchor
3690 .to_point(&multi_buffer_snapshot);
3691 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3692 multi_buffer_visible_start
3693 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3694 Bias::Left,
3695 );
3696 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3697 multi_buffer_snapshot
3698 .range_to_buffer_ranges(multi_buffer_visible_range)
3699 .into_iter()
3700 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3701 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3702 let buffer_file = project::File::from_dyn(buffer.file())?;
3703 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3704 let worktree_entry = buffer_worktree
3705 .read(cx)
3706 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3707 if worktree_entry.is_ignored {
3708 return None;
3709 }
3710
3711 let language = buffer.language()?;
3712 if let Some(restrict_to_languages) = restrict_to_languages {
3713 if !restrict_to_languages.contains(language) {
3714 return None;
3715 }
3716 }
3717 Some((
3718 excerpt_id,
3719 (
3720 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3721 buffer.version().clone(),
3722 excerpt_visible_range,
3723 ),
3724 ))
3725 })
3726 .collect()
3727 }
3728
3729 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3730 TextLayoutDetails {
3731 text_system: window.text_system().clone(),
3732 editor_style: self.style.clone().unwrap(),
3733 rem_size: window.rem_size(),
3734 scroll_anchor: self.scroll_manager.anchor(),
3735 visible_rows: self.visible_line_count(),
3736 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3737 }
3738 }
3739
3740 pub fn splice_inlays(
3741 &self,
3742 to_remove: Vec<InlayId>,
3743 to_insert: Vec<Inlay>,
3744 cx: &mut Context<Self>,
3745 ) {
3746 self.display_map.update(cx, |display_map, cx| {
3747 display_map.splice_inlays(to_remove, to_insert, cx)
3748 });
3749 cx.notify();
3750 }
3751
3752 fn trigger_on_type_formatting(
3753 &self,
3754 input: String,
3755 window: &mut Window,
3756 cx: &mut Context<Self>,
3757 ) -> Option<Task<Result<()>>> {
3758 if input.len() != 1 {
3759 return None;
3760 }
3761
3762 let project = self.project.as_ref()?;
3763 let position = self.selections.newest_anchor().head();
3764 let (buffer, buffer_position) = self
3765 .buffer
3766 .read(cx)
3767 .text_anchor_for_position(position, cx)?;
3768
3769 let settings = language_settings::language_settings(
3770 buffer
3771 .read(cx)
3772 .language_at(buffer_position)
3773 .map(|l| l.name()),
3774 buffer.read(cx).file(),
3775 cx,
3776 );
3777 if !settings.use_on_type_format {
3778 return None;
3779 }
3780
3781 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3782 // hence we do LSP request & edit on host side only — add formats to host's history.
3783 let push_to_lsp_host_history = true;
3784 // If this is not the host, append its history with new edits.
3785 let push_to_client_history = project.read(cx).is_via_collab();
3786
3787 let on_type_formatting = project.update(cx, |project, cx| {
3788 project.on_type_format(
3789 buffer.clone(),
3790 buffer_position,
3791 input,
3792 push_to_lsp_host_history,
3793 cx,
3794 )
3795 });
3796 Some(cx.spawn_in(window, |editor, mut cx| async move {
3797 if let Some(transaction) = on_type_formatting.await? {
3798 if push_to_client_history {
3799 buffer
3800 .update(&mut cx, |buffer, _| {
3801 buffer.push_transaction(transaction, Instant::now());
3802 })
3803 .ok();
3804 }
3805 editor.update(&mut cx, |editor, cx| {
3806 editor.refresh_document_highlights(cx);
3807 })?;
3808 }
3809 Ok(())
3810 }))
3811 }
3812
3813 pub fn show_completions(
3814 &mut self,
3815 options: &ShowCompletions,
3816 window: &mut Window,
3817 cx: &mut Context<Self>,
3818 ) {
3819 if self.pending_rename.is_some() {
3820 return;
3821 }
3822
3823 let Some(provider) = self.completion_provider.as_ref() else {
3824 return;
3825 };
3826
3827 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3828 return;
3829 }
3830
3831 let position = self.selections.newest_anchor().head();
3832 if position.diff_base_anchor.is_some() {
3833 return;
3834 }
3835 let (buffer, buffer_position) =
3836 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3837 output
3838 } else {
3839 return;
3840 };
3841 let show_completion_documentation = buffer
3842 .read(cx)
3843 .snapshot()
3844 .settings_at(buffer_position, cx)
3845 .show_completion_documentation;
3846
3847 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3848
3849 let trigger_kind = match &options.trigger {
3850 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3851 CompletionTriggerKind::TRIGGER_CHARACTER
3852 }
3853 _ => CompletionTriggerKind::INVOKED,
3854 };
3855 let completion_context = CompletionContext {
3856 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3857 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3858 Some(String::from(trigger))
3859 } else {
3860 None
3861 }
3862 }),
3863 trigger_kind,
3864 };
3865 let completions =
3866 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3867 let sort_completions = provider.sort_completions();
3868
3869 let id = post_inc(&mut self.next_completion_id);
3870 let task = cx.spawn_in(window, |editor, mut cx| {
3871 async move {
3872 editor.update(&mut cx, |this, _| {
3873 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3874 })?;
3875 let completions = completions.await.log_err();
3876 let menu = if let Some(completions) = completions {
3877 let mut menu = CompletionsMenu::new(
3878 id,
3879 sort_completions,
3880 show_completion_documentation,
3881 position,
3882 buffer.clone(),
3883 completions.into(),
3884 );
3885
3886 menu.filter(query.as_deref(), cx.background_executor().clone())
3887 .await;
3888
3889 menu.visible().then_some(menu)
3890 } else {
3891 None
3892 };
3893
3894 editor.update_in(&mut cx, |editor, window, cx| {
3895 match editor.context_menu.borrow().as_ref() {
3896 None => {}
3897 Some(CodeContextMenu::Completions(prev_menu)) => {
3898 if prev_menu.id > id {
3899 return;
3900 }
3901 }
3902 _ => return,
3903 }
3904
3905 if editor.focus_handle.is_focused(window) && menu.is_some() {
3906 let mut menu = menu.unwrap();
3907 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3908
3909 if editor.show_inline_completions_in_menu(cx) {
3910 if let Some(hint) = editor.inline_completion_menu_hint(window, cx) {
3911 menu.show_inline_completion_hint(hint);
3912 }
3913 } else {
3914 editor.discard_inline_completion(false, cx);
3915 }
3916
3917 *editor.context_menu.borrow_mut() =
3918 Some(CodeContextMenu::Completions(menu));
3919
3920 cx.notify();
3921 } else if editor.completion_tasks.len() <= 1 {
3922 // If there are no more completion tasks and the last menu was
3923 // empty, we should hide it.
3924 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3925 // If it was already hidden and we don't show inline
3926 // completions in the menu, we should also show the
3927 // inline-completion when available.
3928 if was_hidden && editor.show_inline_completions_in_menu(cx) {
3929 editor.update_visible_inline_completion(window, cx);
3930 }
3931 }
3932 })?;
3933
3934 Ok::<_, anyhow::Error>(())
3935 }
3936 .log_err()
3937 });
3938
3939 self.completion_tasks.push((id, task));
3940 }
3941
3942 pub fn confirm_completion(
3943 &mut self,
3944 action: &ConfirmCompletion,
3945 window: &mut Window,
3946 cx: &mut Context<Self>,
3947 ) -> Option<Task<Result<()>>> {
3948 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3949 }
3950
3951 pub fn compose_completion(
3952 &mut self,
3953 action: &ComposeCompletion,
3954 window: &mut Window,
3955 cx: &mut Context<Self>,
3956 ) -> Option<Task<Result<()>>> {
3957 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
3958 }
3959
3960 fn toggle_zed_predict_onboarding(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3961 let (Some(workspace), Some(project)) = (self.workspace(), self.project.as_ref()) else {
3962 return;
3963 };
3964
3965 let project = project.read(cx);
3966
3967 ZedPredictModal::toggle(
3968 workspace,
3969 project.user_store().clone(),
3970 project.client().clone(),
3971 project.fs().clone(),
3972 window,
3973 cx,
3974 );
3975 }
3976
3977 fn do_completion(
3978 &mut self,
3979 item_ix: Option<usize>,
3980 intent: CompletionIntent,
3981 window: &mut Window,
3982 cx: &mut Context<Editor>,
3983 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3984 use language::ToOffset as _;
3985
3986 {
3987 let context_menu = self.context_menu.borrow();
3988 if let CodeContextMenu::Completions(menu) = context_menu.as_ref()? {
3989 let entries = menu.entries.borrow();
3990 let entry = entries.get(item_ix.unwrap_or(menu.selected_item));
3991 match entry {
3992 Some(CompletionEntry::InlineCompletionHint(
3993 InlineCompletionMenuHint::Loading,
3994 )) => return Some(Task::ready(Ok(()))),
3995 Some(CompletionEntry::InlineCompletionHint(InlineCompletionMenuHint::None)) => {
3996 drop(entries);
3997 drop(context_menu);
3998 self.context_menu_next(&Default::default(), window, cx);
3999 return Some(Task::ready(Ok(())));
4000 }
4001 Some(CompletionEntry::InlineCompletionHint(
4002 InlineCompletionMenuHint::PendingTermsAcceptance,
4003 )) => {
4004 drop(entries);
4005 drop(context_menu);
4006 self.toggle_zed_predict_onboarding(window, cx);
4007 return Some(Task::ready(Ok(())));
4008 }
4009 _ => {}
4010 }
4011 }
4012 }
4013
4014 let completions_menu =
4015 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4016 menu
4017 } else {
4018 return None;
4019 };
4020
4021 let entries = completions_menu.entries.borrow();
4022 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4023 let mat = match mat {
4024 CompletionEntry::InlineCompletionHint(_) => {
4025 self.accept_inline_completion(&AcceptInlineCompletion, window, cx);
4026 cx.stop_propagation();
4027 return Some(Task::ready(Ok(())));
4028 }
4029 CompletionEntry::Match(mat) => {
4030 if self.show_inline_completions_in_menu(cx) {
4031 self.discard_inline_completion(true, cx);
4032 }
4033 mat
4034 }
4035 };
4036 let candidate_id = mat.candidate_id;
4037 drop(entries);
4038
4039 let buffer_handle = completions_menu.buffer;
4040 let completion = completions_menu
4041 .completions
4042 .borrow()
4043 .get(candidate_id)?
4044 .clone();
4045 cx.stop_propagation();
4046
4047 let snippet;
4048 let text;
4049
4050 if completion.is_snippet() {
4051 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4052 text = snippet.as_ref().unwrap().text.clone();
4053 } else {
4054 snippet = None;
4055 text = completion.new_text.clone();
4056 };
4057 let selections = self.selections.all::<usize>(cx);
4058 let buffer = buffer_handle.read(cx);
4059 let old_range = completion.old_range.to_offset(buffer);
4060 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4061
4062 let newest_selection = self.selections.newest_anchor();
4063 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4064 return None;
4065 }
4066
4067 let lookbehind = newest_selection
4068 .start
4069 .text_anchor
4070 .to_offset(buffer)
4071 .saturating_sub(old_range.start);
4072 let lookahead = old_range
4073 .end
4074 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4075 let mut common_prefix_len = old_text
4076 .bytes()
4077 .zip(text.bytes())
4078 .take_while(|(a, b)| a == b)
4079 .count();
4080
4081 let snapshot = self.buffer.read(cx).snapshot(cx);
4082 let mut range_to_replace: Option<Range<isize>> = None;
4083 let mut ranges = Vec::new();
4084 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4085 for selection in &selections {
4086 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4087 let start = selection.start.saturating_sub(lookbehind);
4088 let end = selection.end + lookahead;
4089 if selection.id == newest_selection.id {
4090 range_to_replace = Some(
4091 ((start + common_prefix_len) as isize - selection.start as isize)
4092 ..(end as isize - selection.start as isize),
4093 );
4094 }
4095 ranges.push(start + common_prefix_len..end);
4096 } else {
4097 common_prefix_len = 0;
4098 ranges.clear();
4099 ranges.extend(selections.iter().map(|s| {
4100 if s.id == newest_selection.id {
4101 range_to_replace = Some(
4102 old_range.start.to_offset_utf16(&snapshot).0 as isize
4103 - selection.start as isize
4104 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4105 - selection.start as isize,
4106 );
4107 old_range.clone()
4108 } else {
4109 s.start..s.end
4110 }
4111 }));
4112 break;
4113 }
4114 if !self.linked_edit_ranges.is_empty() {
4115 let start_anchor = snapshot.anchor_before(selection.head());
4116 let end_anchor = snapshot.anchor_after(selection.tail());
4117 if let Some(ranges) = self
4118 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4119 {
4120 for (buffer, edits) in ranges {
4121 linked_edits.entry(buffer.clone()).or_default().extend(
4122 edits
4123 .into_iter()
4124 .map(|range| (range, text[common_prefix_len..].to_owned())),
4125 );
4126 }
4127 }
4128 }
4129 }
4130 let text = &text[common_prefix_len..];
4131
4132 cx.emit(EditorEvent::InputHandled {
4133 utf16_range_to_replace: range_to_replace,
4134 text: text.into(),
4135 });
4136
4137 self.transact(window, cx, |this, window, cx| {
4138 if let Some(mut snippet) = snippet {
4139 snippet.text = text.to_string();
4140 for tabstop in snippet
4141 .tabstops
4142 .iter_mut()
4143 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4144 {
4145 tabstop.start -= common_prefix_len as isize;
4146 tabstop.end -= common_prefix_len as isize;
4147 }
4148
4149 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4150 } else {
4151 this.buffer.update(cx, |buffer, cx| {
4152 buffer.edit(
4153 ranges.iter().map(|range| (range.clone(), text)),
4154 this.autoindent_mode.clone(),
4155 cx,
4156 );
4157 });
4158 }
4159 for (buffer, edits) in linked_edits {
4160 buffer.update(cx, |buffer, cx| {
4161 let snapshot = buffer.snapshot();
4162 let edits = edits
4163 .into_iter()
4164 .map(|(range, text)| {
4165 use text::ToPoint as TP;
4166 let end_point = TP::to_point(&range.end, &snapshot);
4167 let start_point = TP::to_point(&range.start, &snapshot);
4168 (start_point..end_point, text)
4169 })
4170 .sorted_by_key(|(range, _)| range.start)
4171 .collect::<Vec<_>>();
4172 buffer.edit(edits, None, cx);
4173 })
4174 }
4175
4176 this.refresh_inline_completion(true, false, window, cx);
4177 });
4178
4179 let show_new_completions_on_confirm = completion
4180 .confirm
4181 .as_ref()
4182 .map_or(false, |confirm| confirm(intent, window, cx));
4183 if show_new_completions_on_confirm {
4184 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4185 }
4186
4187 let provider = self.completion_provider.as_ref()?;
4188 drop(completion);
4189 let apply_edits = provider.apply_additional_edits_for_completion(
4190 buffer_handle,
4191 completions_menu.completions.clone(),
4192 candidate_id,
4193 true,
4194 cx,
4195 );
4196
4197 let editor_settings = EditorSettings::get_global(cx);
4198 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4199 // After the code completion is finished, users often want to know what signatures are needed.
4200 // so we should automatically call signature_help
4201 self.show_signature_help(&ShowSignatureHelp, window, cx);
4202 }
4203
4204 Some(cx.foreground_executor().spawn(async move {
4205 apply_edits.await?;
4206 Ok(())
4207 }))
4208 }
4209
4210 pub fn toggle_code_actions(
4211 &mut self,
4212 action: &ToggleCodeActions,
4213 window: &mut Window,
4214 cx: &mut Context<Self>,
4215 ) {
4216 let mut context_menu = self.context_menu.borrow_mut();
4217 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4218 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4219 // Toggle if we're selecting the same one
4220 *context_menu = None;
4221 cx.notify();
4222 return;
4223 } else {
4224 // Otherwise, clear it and start a new one
4225 *context_menu = None;
4226 cx.notify();
4227 }
4228 }
4229 drop(context_menu);
4230 let snapshot = self.snapshot(window, cx);
4231 let deployed_from_indicator = action.deployed_from_indicator;
4232 let mut task = self.code_actions_task.take();
4233 let action = action.clone();
4234 cx.spawn_in(window, |editor, mut cx| async move {
4235 while let Some(prev_task) = task {
4236 prev_task.await.log_err();
4237 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4238 }
4239
4240 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4241 if editor.focus_handle.is_focused(window) {
4242 let multibuffer_point = action
4243 .deployed_from_indicator
4244 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4245 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4246 let (buffer, buffer_row) = snapshot
4247 .buffer_snapshot
4248 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4249 .and_then(|(buffer_snapshot, range)| {
4250 editor
4251 .buffer
4252 .read(cx)
4253 .buffer(buffer_snapshot.remote_id())
4254 .map(|buffer| (buffer, range.start.row))
4255 })?;
4256 let (_, code_actions) = editor
4257 .available_code_actions
4258 .clone()
4259 .and_then(|(location, code_actions)| {
4260 let snapshot = location.buffer.read(cx).snapshot();
4261 let point_range = location.range.to_point(&snapshot);
4262 let point_range = point_range.start.row..=point_range.end.row;
4263 if point_range.contains(&buffer_row) {
4264 Some((location, code_actions))
4265 } else {
4266 None
4267 }
4268 })
4269 .unzip();
4270 let buffer_id = buffer.read(cx).remote_id();
4271 let tasks = editor
4272 .tasks
4273 .get(&(buffer_id, buffer_row))
4274 .map(|t| Arc::new(t.to_owned()));
4275 if tasks.is_none() && code_actions.is_none() {
4276 return None;
4277 }
4278
4279 editor.completion_tasks.clear();
4280 editor.discard_inline_completion(false, cx);
4281 let task_context =
4282 tasks
4283 .as_ref()
4284 .zip(editor.project.clone())
4285 .map(|(tasks, project)| {
4286 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4287 });
4288
4289 Some(cx.spawn_in(window, |editor, mut cx| async move {
4290 let task_context = match task_context {
4291 Some(task_context) => task_context.await,
4292 None => None,
4293 };
4294 let resolved_tasks =
4295 tasks.zip(task_context).map(|(tasks, task_context)| {
4296 Rc::new(ResolvedTasks {
4297 templates: tasks.resolve(&task_context).collect(),
4298 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4299 multibuffer_point.row,
4300 tasks.column,
4301 )),
4302 })
4303 });
4304 let spawn_straight_away = resolved_tasks
4305 .as_ref()
4306 .map_or(false, |tasks| tasks.templates.len() == 1)
4307 && code_actions
4308 .as_ref()
4309 .map_or(true, |actions| actions.is_empty());
4310 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4311 *editor.context_menu.borrow_mut() =
4312 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4313 buffer,
4314 actions: CodeActionContents {
4315 tasks: resolved_tasks,
4316 actions: code_actions,
4317 },
4318 selected_item: Default::default(),
4319 scroll_handle: UniformListScrollHandle::default(),
4320 deployed_from_indicator,
4321 }));
4322 if spawn_straight_away {
4323 if let Some(task) = editor.confirm_code_action(
4324 &ConfirmCodeAction { item_ix: Some(0) },
4325 window,
4326 cx,
4327 ) {
4328 cx.notify();
4329 return task;
4330 }
4331 }
4332 cx.notify();
4333 Task::ready(Ok(()))
4334 }) {
4335 task.await
4336 } else {
4337 Ok(())
4338 }
4339 }))
4340 } else {
4341 Some(Task::ready(Ok(())))
4342 }
4343 })?;
4344 if let Some(task) = spawned_test_task {
4345 task.await?;
4346 }
4347
4348 Ok::<_, anyhow::Error>(())
4349 })
4350 .detach_and_log_err(cx);
4351 }
4352
4353 pub fn confirm_code_action(
4354 &mut self,
4355 action: &ConfirmCodeAction,
4356 window: &mut Window,
4357 cx: &mut Context<Self>,
4358 ) -> Option<Task<Result<()>>> {
4359 let actions_menu =
4360 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4361 menu
4362 } else {
4363 return None;
4364 };
4365 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4366 let action = actions_menu.actions.get(action_ix)?;
4367 let title = action.label();
4368 let buffer = actions_menu.buffer;
4369 let workspace = self.workspace()?;
4370
4371 match action {
4372 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4373 workspace.update(cx, |workspace, cx| {
4374 workspace::tasks::schedule_resolved_task(
4375 workspace,
4376 task_source_kind,
4377 resolved_task,
4378 false,
4379 cx,
4380 );
4381
4382 Some(Task::ready(Ok(())))
4383 })
4384 }
4385 CodeActionsItem::CodeAction {
4386 excerpt_id,
4387 action,
4388 provider,
4389 } => {
4390 let apply_code_action =
4391 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4392 let workspace = workspace.downgrade();
4393 Some(cx.spawn_in(window, |editor, cx| async move {
4394 let project_transaction = apply_code_action.await?;
4395 Self::open_project_transaction(
4396 &editor,
4397 workspace,
4398 project_transaction,
4399 title,
4400 cx,
4401 )
4402 .await
4403 }))
4404 }
4405 }
4406 }
4407
4408 pub async fn open_project_transaction(
4409 this: &WeakEntity<Editor>,
4410 workspace: WeakEntity<Workspace>,
4411 transaction: ProjectTransaction,
4412 title: String,
4413 mut cx: AsyncWindowContext,
4414 ) -> Result<()> {
4415 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4416 cx.update(|_, cx| {
4417 entries.sort_unstable_by_key(|(buffer, _)| {
4418 buffer.read(cx).file().map(|f| f.path().clone())
4419 });
4420 })?;
4421
4422 // If the project transaction's edits are all contained within this editor, then
4423 // avoid opening a new editor to display them.
4424
4425 if let Some((buffer, transaction)) = entries.first() {
4426 if entries.len() == 1 {
4427 let excerpt = this.update(&mut cx, |editor, cx| {
4428 editor
4429 .buffer()
4430 .read(cx)
4431 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4432 })?;
4433 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4434 if excerpted_buffer == *buffer {
4435 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4436 let excerpt_range = excerpt_range.to_offset(buffer);
4437 buffer
4438 .edited_ranges_for_transaction::<usize>(transaction)
4439 .all(|range| {
4440 excerpt_range.start <= range.start
4441 && excerpt_range.end >= range.end
4442 })
4443 })?;
4444
4445 if all_edits_within_excerpt {
4446 return Ok(());
4447 }
4448 }
4449 }
4450 }
4451 } else {
4452 return Ok(());
4453 }
4454
4455 let mut ranges_to_highlight = Vec::new();
4456 let excerpt_buffer = cx.new(|cx| {
4457 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4458 for (buffer_handle, transaction) in &entries {
4459 let buffer = buffer_handle.read(cx);
4460 ranges_to_highlight.extend(
4461 multibuffer.push_excerpts_with_context_lines(
4462 buffer_handle.clone(),
4463 buffer
4464 .edited_ranges_for_transaction::<usize>(transaction)
4465 .collect(),
4466 DEFAULT_MULTIBUFFER_CONTEXT,
4467 cx,
4468 ),
4469 );
4470 }
4471 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4472 multibuffer
4473 })?;
4474
4475 workspace.update_in(&mut cx, |workspace, window, cx| {
4476 let project = workspace.project().clone();
4477 let editor = cx
4478 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4479 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4480 editor.update(cx, |editor, cx| {
4481 editor.highlight_background::<Self>(
4482 &ranges_to_highlight,
4483 |theme| theme.editor_highlighted_line_background,
4484 cx,
4485 );
4486 });
4487 })?;
4488
4489 Ok(())
4490 }
4491
4492 pub fn clear_code_action_providers(&mut self) {
4493 self.code_action_providers.clear();
4494 self.available_code_actions.take();
4495 }
4496
4497 pub fn add_code_action_provider(
4498 &mut self,
4499 provider: Rc<dyn CodeActionProvider>,
4500 window: &mut Window,
4501 cx: &mut Context<Self>,
4502 ) {
4503 if self
4504 .code_action_providers
4505 .iter()
4506 .any(|existing_provider| existing_provider.id() == provider.id())
4507 {
4508 return;
4509 }
4510
4511 self.code_action_providers.push(provider);
4512 self.refresh_code_actions(window, cx);
4513 }
4514
4515 pub fn remove_code_action_provider(
4516 &mut self,
4517 id: Arc<str>,
4518 window: &mut Window,
4519 cx: &mut Context<Self>,
4520 ) {
4521 self.code_action_providers
4522 .retain(|provider| provider.id() != id);
4523 self.refresh_code_actions(window, cx);
4524 }
4525
4526 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4527 let buffer = self.buffer.read(cx);
4528 let newest_selection = self.selections.newest_anchor().clone();
4529 if newest_selection.head().diff_base_anchor.is_some() {
4530 return None;
4531 }
4532 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4533 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4534 if start_buffer != end_buffer {
4535 return None;
4536 }
4537
4538 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4539 cx.background_executor()
4540 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4541 .await;
4542
4543 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4544 let providers = this.code_action_providers.clone();
4545 let tasks = this
4546 .code_action_providers
4547 .iter()
4548 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4549 .collect::<Vec<_>>();
4550 (providers, tasks)
4551 })?;
4552
4553 let mut actions = Vec::new();
4554 for (provider, provider_actions) in
4555 providers.into_iter().zip(future::join_all(tasks).await)
4556 {
4557 if let Some(provider_actions) = provider_actions.log_err() {
4558 actions.extend(provider_actions.into_iter().map(|action| {
4559 AvailableCodeAction {
4560 excerpt_id: newest_selection.start.excerpt_id,
4561 action,
4562 provider: provider.clone(),
4563 }
4564 }));
4565 }
4566 }
4567
4568 this.update(&mut cx, |this, cx| {
4569 this.available_code_actions = if actions.is_empty() {
4570 None
4571 } else {
4572 Some((
4573 Location {
4574 buffer: start_buffer,
4575 range: start..end,
4576 },
4577 actions.into(),
4578 ))
4579 };
4580 cx.notify();
4581 })
4582 }));
4583 None
4584 }
4585
4586 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4587 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4588 self.show_git_blame_inline = false;
4589
4590 self.show_git_blame_inline_delay_task =
4591 Some(cx.spawn_in(window, |this, mut cx| async move {
4592 cx.background_executor().timer(delay).await;
4593
4594 this.update(&mut cx, |this, cx| {
4595 this.show_git_blame_inline = true;
4596 cx.notify();
4597 })
4598 .log_err();
4599 }));
4600 }
4601 }
4602
4603 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4604 if self.pending_rename.is_some() {
4605 return None;
4606 }
4607
4608 let provider = self.semantics_provider.clone()?;
4609 let buffer = self.buffer.read(cx);
4610 let newest_selection = self.selections.newest_anchor().clone();
4611 let cursor_position = newest_selection.head();
4612 let (cursor_buffer, cursor_buffer_position) =
4613 buffer.text_anchor_for_position(cursor_position, cx)?;
4614 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4615 if cursor_buffer != tail_buffer {
4616 return None;
4617 }
4618 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4619 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4620 cx.background_executor()
4621 .timer(Duration::from_millis(debounce))
4622 .await;
4623
4624 let highlights = if let Some(highlights) = cx
4625 .update(|cx| {
4626 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4627 })
4628 .ok()
4629 .flatten()
4630 {
4631 highlights.await.log_err()
4632 } else {
4633 None
4634 };
4635
4636 if let Some(highlights) = highlights {
4637 this.update(&mut cx, |this, cx| {
4638 if this.pending_rename.is_some() {
4639 return;
4640 }
4641
4642 let buffer_id = cursor_position.buffer_id;
4643 let buffer = this.buffer.read(cx);
4644 if !buffer
4645 .text_anchor_for_position(cursor_position, cx)
4646 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4647 {
4648 return;
4649 }
4650
4651 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4652 let mut write_ranges = Vec::new();
4653 let mut read_ranges = Vec::new();
4654 for highlight in highlights {
4655 for (excerpt_id, excerpt_range) in
4656 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4657 {
4658 let start = highlight
4659 .range
4660 .start
4661 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4662 let end = highlight
4663 .range
4664 .end
4665 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4666 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4667 continue;
4668 }
4669
4670 let range = Anchor {
4671 buffer_id,
4672 excerpt_id,
4673 text_anchor: start,
4674 diff_base_anchor: None,
4675 }..Anchor {
4676 buffer_id,
4677 excerpt_id,
4678 text_anchor: end,
4679 diff_base_anchor: None,
4680 };
4681 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4682 write_ranges.push(range);
4683 } else {
4684 read_ranges.push(range);
4685 }
4686 }
4687 }
4688
4689 this.highlight_background::<DocumentHighlightRead>(
4690 &read_ranges,
4691 |theme| theme.editor_document_highlight_read_background,
4692 cx,
4693 );
4694 this.highlight_background::<DocumentHighlightWrite>(
4695 &write_ranges,
4696 |theme| theme.editor_document_highlight_write_background,
4697 cx,
4698 );
4699 cx.notify();
4700 })
4701 .log_err();
4702 }
4703 }));
4704 None
4705 }
4706
4707 pub fn refresh_inline_completion(
4708 &mut self,
4709 debounce: bool,
4710 user_requested: bool,
4711 window: &mut Window,
4712 cx: &mut Context<Self>,
4713 ) -> Option<()> {
4714 let provider = self.inline_completion_provider()?;
4715 let cursor = self.selections.newest_anchor().head();
4716 let (buffer, cursor_buffer_position) =
4717 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4718
4719 if !user_requested
4720 && (!self.enable_inline_completions
4721 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4722 || !self.is_focused(window)
4723 || buffer.read(cx).is_empty())
4724 {
4725 self.discard_inline_completion(false, cx);
4726 return None;
4727 }
4728
4729 self.update_visible_inline_completion(window, cx);
4730 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4731 Some(())
4732 }
4733
4734 fn cycle_inline_completion(
4735 &mut self,
4736 direction: Direction,
4737 window: &mut Window,
4738 cx: &mut Context<Self>,
4739 ) -> Option<()> {
4740 let provider = self.inline_completion_provider()?;
4741 let cursor = self.selections.newest_anchor().head();
4742 let (buffer, cursor_buffer_position) =
4743 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4744 if !self.enable_inline_completions
4745 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4746 {
4747 return None;
4748 }
4749
4750 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4751 self.update_visible_inline_completion(window, cx);
4752
4753 Some(())
4754 }
4755
4756 pub fn show_inline_completion(
4757 &mut self,
4758 _: &ShowInlineCompletion,
4759 window: &mut Window,
4760 cx: &mut Context<Self>,
4761 ) {
4762 if !self.inline_completions_enabled(cx) {
4763 return;
4764 }
4765
4766 if !self.has_active_inline_completion() {
4767 self.refresh_inline_completion(false, true, window, cx);
4768 return;
4769 }
4770
4771 self.update_visible_inline_completion(window, cx);
4772 }
4773
4774 pub fn display_cursor_names(
4775 &mut self,
4776 _: &DisplayCursorNames,
4777 window: &mut Window,
4778 cx: &mut Context<Self>,
4779 ) {
4780 self.show_cursor_names(window, cx);
4781 }
4782
4783 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4784 self.show_cursor_names = true;
4785 cx.notify();
4786 cx.spawn_in(window, |this, mut cx| async move {
4787 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4788 this.update(&mut cx, |this, cx| {
4789 this.show_cursor_names = false;
4790 cx.notify()
4791 })
4792 .ok()
4793 })
4794 .detach();
4795 }
4796
4797 pub fn next_inline_completion(
4798 &mut self,
4799 _: &NextInlineCompletion,
4800 window: &mut Window,
4801 cx: &mut Context<Self>,
4802 ) {
4803 if self.has_active_inline_completion() {
4804 self.cycle_inline_completion(Direction::Next, window, cx);
4805 } else {
4806 let is_copilot_disabled = self
4807 .refresh_inline_completion(false, true, window, cx)
4808 .is_none();
4809 if is_copilot_disabled {
4810 cx.propagate();
4811 }
4812 }
4813 }
4814
4815 pub fn previous_inline_completion(
4816 &mut self,
4817 _: &PreviousInlineCompletion,
4818 window: &mut Window,
4819 cx: &mut Context<Self>,
4820 ) {
4821 if self.has_active_inline_completion() {
4822 self.cycle_inline_completion(Direction::Prev, window, cx);
4823 } else {
4824 let is_copilot_disabled = self
4825 .refresh_inline_completion(false, true, window, cx)
4826 .is_none();
4827 if is_copilot_disabled {
4828 cx.propagate();
4829 }
4830 }
4831 }
4832
4833 pub fn accept_inline_completion(
4834 &mut self,
4835 _: &AcceptInlineCompletion,
4836 window: &mut Window,
4837 cx: &mut Context<Self>,
4838 ) {
4839 let buffer = self.buffer.read(cx);
4840 let snapshot = buffer.snapshot(cx);
4841 let selection = self.selections.newest_adjusted(cx);
4842 let cursor = selection.head();
4843 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
4844 let suggested_indents = snapshot.suggested_indents([cursor.row], cx);
4845 if let Some(suggested_indent) = suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
4846 {
4847 if cursor.column < suggested_indent.len
4848 && cursor.column <= current_indent.len
4849 && current_indent.len <= suggested_indent.len
4850 {
4851 self.tab(&Default::default(), window, cx);
4852 return;
4853 }
4854 }
4855
4856 if self.show_inline_completions_in_menu(cx) {
4857 self.hide_context_menu(window, cx);
4858 }
4859
4860 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4861 return;
4862 };
4863
4864 self.report_inline_completion_event(true, cx);
4865
4866 match &active_inline_completion.completion {
4867 InlineCompletion::Move(position) => {
4868 let position = *position;
4869 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4870 selections.select_anchor_ranges([position..position]);
4871 });
4872 }
4873 InlineCompletion::Edit { edits, .. } => {
4874 if let Some(provider) = self.inline_completion_provider() {
4875 provider.accept(cx);
4876 }
4877
4878 let snapshot = self.buffer.read(cx).snapshot(cx);
4879 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4880
4881 self.buffer.update(cx, |buffer, cx| {
4882 buffer.edit(edits.iter().cloned(), None, cx)
4883 });
4884
4885 self.change_selections(None, window, cx, |s| {
4886 s.select_anchor_ranges([last_edit_end..last_edit_end])
4887 });
4888
4889 self.update_visible_inline_completion(window, cx);
4890 if self.active_inline_completion.is_none() {
4891 self.refresh_inline_completion(true, true, window, cx);
4892 }
4893
4894 cx.notify();
4895 }
4896 }
4897 }
4898
4899 pub fn accept_partial_inline_completion(
4900 &mut self,
4901 _: &AcceptPartialInlineCompletion,
4902 window: &mut Window,
4903 cx: &mut Context<Self>,
4904 ) {
4905 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4906 return;
4907 };
4908 if self.selections.count() != 1 {
4909 return;
4910 }
4911
4912 self.report_inline_completion_event(true, cx);
4913
4914 match &active_inline_completion.completion {
4915 InlineCompletion::Move(position) => {
4916 let position = *position;
4917 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4918 selections.select_anchor_ranges([position..position]);
4919 });
4920 }
4921 InlineCompletion::Edit { edits, .. } => {
4922 // Find an insertion that starts at the cursor position.
4923 let snapshot = self.buffer.read(cx).snapshot(cx);
4924 let cursor_offset = self.selections.newest::<usize>(cx).head();
4925 let insertion = edits.iter().find_map(|(range, text)| {
4926 let range = range.to_offset(&snapshot);
4927 if range.is_empty() && range.start == cursor_offset {
4928 Some(text)
4929 } else {
4930 None
4931 }
4932 });
4933
4934 if let Some(text) = insertion {
4935 let mut partial_completion = text
4936 .chars()
4937 .by_ref()
4938 .take_while(|c| c.is_alphabetic())
4939 .collect::<String>();
4940 if partial_completion.is_empty() {
4941 partial_completion = text
4942 .chars()
4943 .by_ref()
4944 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4945 .collect::<String>();
4946 }
4947
4948 cx.emit(EditorEvent::InputHandled {
4949 utf16_range_to_replace: None,
4950 text: partial_completion.clone().into(),
4951 });
4952
4953 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
4954
4955 self.refresh_inline_completion(true, true, window, cx);
4956 cx.notify();
4957 } else {
4958 self.accept_inline_completion(&Default::default(), window, cx);
4959 }
4960 }
4961 }
4962 }
4963
4964 fn discard_inline_completion(
4965 &mut self,
4966 should_report_inline_completion_event: bool,
4967 cx: &mut Context<Self>,
4968 ) -> bool {
4969 if should_report_inline_completion_event {
4970 self.report_inline_completion_event(false, cx);
4971 }
4972
4973 if let Some(provider) = self.inline_completion_provider() {
4974 provider.discard(cx);
4975 }
4976
4977 self.take_active_inline_completion(cx).is_some()
4978 }
4979
4980 fn report_inline_completion_event(&self, accepted: bool, cx: &App) {
4981 let Some(provider) = self.inline_completion_provider() else {
4982 return;
4983 };
4984
4985 let Some((_, buffer, _)) = self
4986 .buffer
4987 .read(cx)
4988 .excerpt_containing(self.selections.newest_anchor().head(), cx)
4989 else {
4990 return;
4991 };
4992
4993 let extension = buffer
4994 .read(cx)
4995 .file()
4996 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
4997
4998 let event_type = match accepted {
4999 true => "Inline Completion Accepted",
5000 false => "Inline Completion Discarded",
5001 };
5002 telemetry::event!(
5003 event_type,
5004 provider = provider.name(),
5005 suggestion_accepted = accepted,
5006 file_extension = extension,
5007 );
5008 }
5009
5010 pub fn has_active_inline_completion(&self) -> bool {
5011 self.active_inline_completion.is_some()
5012 }
5013
5014 fn take_active_inline_completion(
5015 &mut self,
5016 cx: &mut Context<Self>,
5017 ) -> Option<InlineCompletion> {
5018 let active_inline_completion = self.active_inline_completion.take()?;
5019 self.splice_inlays(active_inline_completion.inlay_ids, Default::default(), cx);
5020 self.clear_highlights::<InlineCompletionHighlight>(cx);
5021 Some(active_inline_completion.completion)
5022 }
5023
5024 fn update_visible_inline_completion(
5025 &mut self,
5026 window: &mut Window,
5027 cx: &mut Context<Self>,
5028 ) -> Option<()> {
5029 let selection = self.selections.newest_anchor();
5030 let cursor = selection.head();
5031 let multibuffer = self.buffer.read(cx).snapshot(cx);
5032 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5033 let excerpt_id = cursor.excerpt_id;
5034
5035 let completions_menu_has_precedence = !self.show_inline_completions_in_menu(cx)
5036 && (self.context_menu.borrow().is_some()
5037 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5038 if completions_menu_has_precedence
5039 || !offset_selection.is_empty()
5040 || !self.enable_inline_completions
5041 || self
5042 .active_inline_completion
5043 .as_ref()
5044 .map_or(false, |completion| {
5045 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5046 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5047 !invalidation_range.contains(&offset_selection.head())
5048 })
5049 {
5050 self.discard_inline_completion(false, cx);
5051 return None;
5052 }
5053
5054 self.take_active_inline_completion(cx);
5055 let provider = self.inline_completion_provider()?;
5056
5057 let (buffer, cursor_buffer_position) =
5058 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5059
5060 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5061 let edits = inline_completion
5062 .edits
5063 .into_iter()
5064 .flat_map(|(range, new_text)| {
5065 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5066 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5067 Some((start..end, new_text))
5068 })
5069 .collect::<Vec<_>>();
5070 if edits.is_empty() {
5071 return None;
5072 }
5073
5074 let first_edit_start = edits.first().unwrap().0.start;
5075 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5076 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5077
5078 let last_edit_end = edits.last().unwrap().0.end;
5079 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5080 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5081
5082 let cursor_row = cursor.to_point(&multibuffer).row;
5083
5084 let mut inlay_ids = Vec::new();
5085 let invalidation_row_range;
5086 let completion = if cursor_row < edit_start_row {
5087 invalidation_row_range = cursor_row..edit_end_row;
5088 InlineCompletion::Move(first_edit_start)
5089 } else if cursor_row > edit_end_row {
5090 invalidation_row_range = edit_start_row..cursor_row;
5091 InlineCompletion::Move(first_edit_start)
5092 } else {
5093 if edits
5094 .iter()
5095 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5096 {
5097 let mut inlays = Vec::new();
5098 for (range, new_text) in &edits {
5099 let inlay = Inlay::inline_completion(
5100 post_inc(&mut self.next_inlay_id),
5101 range.start,
5102 new_text.as_str(),
5103 );
5104 inlay_ids.push(inlay.id);
5105 inlays.push(inlay);
5106 }
5107
5108 self.splice_inlays(vec![], inlays, cx);
5109 } else {
5110 let background_color = cx.theme().status().deleted_background;
5111 self.highlight_text::<InlineCompletionHighlight>(
5112 edits.iter().map(|(range, _)| range.clone()).collect(),
5113 HighlightStyle {
5114 background_color: Some(background_color),
5115 ..Default::default()
5116 },
5117 cx,
5118 );
5119 }
5120
5121 invalidation_row_range = edit_start_row..edit_end_row;
5122
5123 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5124 if provider.show_tab_accept_marker()
5125 && first_edit_start_point.row == last_edit_end_point.row
5126 && !edits.iter().any(|(_, edit)| edit.contains('\n'))
5127 {
5128 EditDisplayMode::TabAccept
5129 } else {
5130 EditDisplayMode::Inline
5131 }
5132 } else {
5133 EditDisplayMode::DiffPopover
5134 };
5135
5136 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5137
5138 InlineCompletion::Edit {
5139 edits,
5140 edit_preview: inline_completion.edit_preview,
5141 display_mode,
5142 snapshot,
5143 }
5144 };
5145
5146 let invalidation_range = multibuffer
5147 .anchor_before(Point::new(invalidation_row_range.start, 0))
5148 ..multibuffer.anchor_after(Point::new(
5149 invalidation_row_range.end,
5150 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5151 ));
5152
5153 self.active_inline_completion = Some(InlineCompletionState {
5154 inlay_ids,
5155 completion,
5156 invalidation_range,
5157 });
5158
5159 if self.show_inline_completions_in_menu(cx) && self.has_active_completions_menu() {
5160 if let Some(hint) = self.inline_completion_menu_hint(window, cx) {
5161 match self.context_menu.borrow_mut().as_mut() {
5162 Some(CodeContextMenu::Completions(menu)) => {
5163 menu.show_inline_completion_hint(hint);
5164 }
5165 _ => {}
5166 }
5167 }
5168 }
5169
5170 cx.notify();
5171
5172 Some(())
5173 }
5174
5175 fn inline_completion_menu_hint(
5176 &self,
5177 window: &mut Window,
5178 cx: &mut Context<Self>,
5179 ) -> Option<InlineCompletionMenuHint> {
5180 let provider = self.inline_completion_provider()?;
5181 if self.has_active_inline_completion() {
5182 let editor_snapshot = self.snapshot(window, cx);
5183
5184 let text = match &self.active_inline_completion.as_ref()?.completion {
5185 InlineCompletion::Edit {
5186 edits,
5187 edit_preview,
5188 display_mode: _,
5189 snapshot,
5190 } => edit_preview
5191 .as_ref()
5192 .and_then(|edit_preview| {
5193 inline_completion_edit_text(&snapshot, &edits, edit_preview, true, cx)
5194 })
5195 .map(InlineCompletionText::Edit),
5196 InlineCompletion::Move(target) => {
5197 let target_point =
5198 target.to_point(&editor_snapshot.display_snapshot.buffer_snapshot);
5199 let target_line = target_point.row + 1;
5200 Some(InlineCompletionText::Move(
5201 format!("Jump to edit in line {}", target_line).into(),
5202 ))
5203 }
5204 };
5205
5206 Some(InlineCompletionMenuHint::Loaded { text: text? })
5207 } else if provider.is_refreshing(cx) {
5208 Some(InlineCompletionMenuHint::Loading)
5209 } else if provider.needs_terms_acceptance(cx) {
5210 Some(InlineCompletionMenuHint::PendingTermsAcceptance)
5211 } else {
5212 Some(InlineCompletionMenuHint::None)
5213 }
5214 }
5215
5216 pub fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5217 Some(self.inline_completion_provider.as_ref()?.provider.clone())
5218 }
5219
5220 fn show_inline_completions_in_menu(&self, cx: &App) -> bool {
5221 let by_provider = matches!(
5222 self.menu_inline_completions_policy,
5223 MenuInlineCompletionsPolicy::ByProvider
5224 );
5225
5226 by_provider
5227 && EditorSettings::get_global(cx).show_inline_completions_in_menu
5228 && self
5229 .inline_completion_provider()
5230 .map_or(false, |provider| provider.show_completions_in_menu())
5231 }
5232
5233 fn render_code_actions_indicator(
5234 &self,
5235 _style: &EditorStyle,
5236 row: DisplayRow,
5237 is_active: bool,
5238 cx: &mut Context<Self>,
5239 ) -> Option<IconButton> {
5240 if self.available_code_actions.is_some() {
5241 Some(
5242 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5243 .shape(ui::IconButtonShape::Square)
5244 .icon_size(IconSize::XSmall)
5245 .icon_color(Color::Muted)
5246 .toggle_state(is_active)
5247 .tooltip({
5248 let focus_handle = self.focus_handle.clone();
5249 move |window, cx| {
5250 Tooltip::for_action_in(
5251 "Toggle Code Actions",
5252 &ToggleCodeActions {
5253 deployed_from_indicator: None,
5254 },
5255 &focus_handle,
5256 window,
5257 cx,
5258 )
5259 }
5260 })
5261 .on_click(cx.listener(move |editor, _e, window, cx| {
5262 window.focus(&editor.focus_handle(cx));
5263 editor.toggle_code_actions(
5264 &ToggleCodeActions {
5265 deployed_from_indicator: Some(row),
5266 },
5267 window,
5268 cx,
5269 );
5270 })),
5271 )
5272 } else {
5273 None
5274 }
5275 }
5276
5277 fn clear_tasks(&mut self) {
5278 self.tasks.clear()
5279 }
5280
5281 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5282 if self.tasks.insert(key, value).is_some() {
5283 // This case should hopefully be rare, but just in case...
5284 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5285 }
5286 }
5287
5288 fn build_tasks_context(
5289 project: &Entity<Project>,
5290 buffer: &Entity<Buffer>,
5291 buffer_row: u32,
5292 tasks: &Arc<RunnableTasks>,
5293 cx: &mut Context<Self>,
5294 ) -> Task<Option<task::TaskContext>> {
5295 let position = Point::new(buffer_row, tasks.column);
5296 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5297 let location = Location {
5298 buffer: buffer.clone(),
5299 range: range_start..range_start,
5300 };
5301 // Fill in the environmental variables from the tree-sitter captures
5302 let mut captured_task_variables = TaskVariables::default();
5303 for (capture_name, value) in tasks.extra_variables.clone() {
5304 captured_task_variables.insert(
5305 task::VariableName::Custom(capture_name.into()),
5306 value.clone(),
5307 );
5308 }
5309 project.update(cx, |project, cx| {
5310 project.task_store().update(cx, |task_store, cx| {
5311 task_store.task_context_for_location(captured_task_variables, location, cx)
5312 })
5313 })
5314 }
5315
5316 pub fn spawn_nearest_task(
5317 &mut self,
5318 action: &SpawnNearestTask,
5319 window: &mut Window,
5320 cx: &mut Context<Self>,
5321 ) {
5322 let Some((workspace, _)) = self.workspace.clone() else {
5323 return;
5324 };
5325 let Some(project) = self.project.clone() else {
5326 return;
5327 };
5328
5329 // Try to find a closest, enclosing node using tree-sitter that has a
5330 // task
5331 let Some((buffer, buffer_row, tasks)) = self
5332 .find_enclosing_node_task(cx)
5333 // Or find the task that's closest in row-distance.
5334 .or_else(|| self.find_closest_task(cx))
5335 else {
5336 return;
5337 };
5338
5339 let reveal_strategy = action.reveal;
5340 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5341 cx.spawn_in(window, |_, mut cx| async move {
5342 let context = task_context.await?;
5343 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5344
5345 let resolved = resolved_task.resolved.as_mut()?;
5346 resolved.reveal = reveal_strategy;
5347
5348 workspace
5349 .update(&mut cx, |workspace, cx| {
5350 workspace::tasks::schedule_resolved_task(
5351 workspace,
5352 task_source_kind,
5353 resolved_task,
5354 false,
5355 cx,
5356 );
5357 })
5358 .ok()
5359 })
5360 .detach();
5361 }
5362
5363 fn find_closest_task(
5364 &mut self,
5365 cx: &mut Context<Self>,
5366 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5367 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5368
5369 let ((buffer_id, row), tasks) = self
5370 .tasks
5371 .iter()
5372 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5373
5374 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5375 let tasks = Arc::new(tasks.to_owned());
5376 Some((buffer, *row, tasks))
5377 }
5378
5379 fn find_enclosing_node_task(
5380 &mut self,
5381 cx: &mut Context<Self>,
5382 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5383 let snapshot = self.buffer.read(cx).snapshot(cx);
5384 let offset = self.selections.newest::<usize>(cx).head();
5385 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5386 let buffer_id = excerpt.buffer().remote_id();
5387
5388 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5389 let mut cursor = layer.node().walk();
5390
5391 while cursor.goto_first_child_for_byte(offset).is_some() {
5392 if cursor.node().end_byte() == offset {
5393 cursor.goto_next_sibling();
5394 }
5395 }
5396
5397 // Ascend to the smallest ancestor that contains the range and has a task.
5398 loop {
5399 let node = cursor.node();
5400 let node_range = node.byte_range();
5401 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5402
5403 // Check if this node contains our offset
5404 if node_range.start <= offset && node_range.end >= offset {
5405 // If it contains offset, check for task
5406 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5407 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5408 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5409 }
5410 }
5411
5412 if !cursor.goto_parent() {
5413 break;
5414 }
5415 }
5416 None
5417 }
5418
5419 fn render_run_indicator(
5420 &self,
5421 _style: &EditorStyle,
5422 is_active: bool,
5423 row: DisplayRow,
5424 cx: &mut Context<Self>,
5425 ) -> IconButton {
5426 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5427 .shape(ui::IconButtonShape::Square)
5428 .icon_size(IconSize::XSmall)
5429 .icon_color(Color::Muted)
5430 .toggle_state(is_active)
5431 .on_click(cx.listener(move |editor, _e, window, cx| {
5432 window.focus(&editor.focus_handle(cx));
5433 editor.toggle_code_actions(
5434 &ToggleCodeActions {
5435 deployed_from_indicator: Some(row),
5436 },
5437 window,
5438 cx,
5439 );
5440 }))
5441 }
5442
5443 #[cfg(any(test, feature = "test-support"))]
5444 pub fn context_menu_visible(&self) -> bool {
5445 self.context_menu
5446 .borrow()
5447 .as_ref()
5448 .map_or(false, |menu| menu.visible())
5449 }
5450
5451 #[cfg(feature = "test-support")]
5452 pub fn context_menu_contains_inline_completion(&self) -> bool {
5453 self.context_menu
5454 .borrow()
5455 .as_ref()
5456 .map_or(false, |menu| match menu {
5457 CodeContextMenu::Completions(menu) => {
5458 menu.entries.borrow().first().map_or(false, |entry| {
5459 matches!(entry, CompletionEntry::InlineCompletionHint(_))
5460 })
5461 }
5462 CodeContextMenu::CodeActions(_) => false,
5463 })
5464 }
5465
5466 fn context_menu_origin(&self, cursor_position: DisplayPoint) -> Option<ContextMenuOrigin> {
5467 self.context_menu
5468 .borrow()
5469 .as_ref()
5470 .map(|menu| menu.origin(cursor_position))
5471 }
5472
5473 fn render_context_menu(
5474 &self,
5475 style: &EditorStyle,
5476 max_height_in_lines: u32,
5477 y_flipped: bool,
5478 window: &mut Window,
5479 cx: &mut Context<Editor>,
5480 ) -> Option<AnyElement> {
5481 self.context_menu.borrow().as_ref().and_then(|menu| {
5482 if menu.visible() {
5483 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
5484 } else {
5485 None
5486 }
5487 })
5488 }
5489
5490 fn render_context_menu_aside(
5491 &self,
5492 style: &EditorStyle,
5493 max_size: Size<Pixels>,
5494 cx: &mut Context<Editor>,
5495 ) -> Option<AnyElement> {
5496 self.context_menu.borrow().as_ref().and_then(|menu| {
5497 if menu.visible() {
5498 menu.render_aside(
5499 style,
5500 max_size,
5501 self.workspace.as_ref().map(|(w, _)| w.clone()),
5502 cx,
5503 )
5504 } else {
5505 None
5506 }
5507 })
5508 }
5509
5510 fn hide_context_menu(
5511 &mut self,
5512 window: &mut Window,
5513 cx: &mut Context<Self>,
5514 ) -> Option<CodeContextMenu> {
5515 cx.notify();
5516 self.completion_tasks.clear();
5517 let context_menu = self.context_menu.borrow_mut().take();
5518 if context_menu.is_some() && !self.show_inline_completions_in_menu(cx) {
5519 self.update_visible_inline_completion(window, cx);
5520 }
5521 context_menu
5522 }
5523
5524 fn show_snippet_choices(
5525 &mut self,
5526 choices: &Vec<String>,
5527 selection: Range<Anchor>,
5528 cx: &mut Context<Self>,
5529 ) {
5530 if selection.start.buffer_id.is_none() {
5531 return;
5532 }
5533 let buffer_id = selection.start.buffer_id.unwrap();
5534 let buffer = self.buffer().read(cx).buffer(buffer_id);
5535 let id = post_inc(&mut self.next_completion_id);
5536
5537 if let Some(buffer) = buffer {
5538 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5539 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5540 ));
5541 }
5542 }
5543
5544 pub fn insert_snippet(
5545 &mut self,
5546 insertion_ranges: &[Range<usize>],
5547 snippet: Snippet,
5548 window: &mut Window,
5549 cx: &mut Context<Self>,
5550 ) -> Result<()> {
5551 struct Tabstop<T> {
5552 is_end_tabstop: bool,
5553 ranges: Vec<Range<T>>,
5554 choices: Option<Vec<String>>,
5555 }
5556
5557 let tabstops = self.buffer.update(cx, |buffer, cx| {
5558 let snippet_text: Arc<str> = snippet.text.clone().into();
5559 buffer.edit(
5560 insertion_ranges
5561 .iter()
5562 .cloned()
5563 .map(|range| (range, snippet_text.clone())),
5564 Some(AutoindentMode::EachLine),
5565 cx,
5566 );
5567
5568 let snapshot = &*buffer.read(cx);
5569 let snippet = &snippet;
5570 snippet
5571 .tabstops
5572 .iter()
5573 .map(|tabstop| {
5574 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
5575 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5576 });
5577 let mut tabstop_ranges = tabstop
5578 .ranges
5579 .iter()
5580 .flat_map(|tabstop_range| {
5581 let mut delta = 0_isize;
5582 insertion_ranges.iter().map(move |insertion_range| {
5583 let insertion_start = insertion_range.start as isize + delta;
5584 delta +=
5585 snippet.text.len() as isize - insertion_range.len() as isize;
5586
5587 let start = ((insertion_start + tabstop_range.start) as usize)
5588 .min(snapshot.len());
5589 let end = ((insertion_start + tabstop_range.end) as usize)
5590 .min(snapshot.len());
5591 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5592 })
5593 })
5594 .collect::<Vec<_>>();
5595 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5596
5597 Tabstop {
5598 is_end_tabstop,
5599 ranges: tabstop_ranges,
5600 choices: tabstop.choices.clone(),
5601 }
5602 })
5603 .collect::<Vec<_>>()
5604 });
5605 if let Some(tabstop) = tabstops.first() {
5606 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5607 s.select_ranges(tabstop.ranges.iter().cloned());
5608 });
5609
5610 if let Some(choices) = &tabstop.choices {
5611 if let Some(selection) = tabstop.ranges.first() {
5612 self.show_snippet_choices(choices, selection.clone(), cx)
5613 }
5614 }
5615
5616 // If we're already at the last tabstop and it's at the end of the snippet,
5617 // we're done, we don't need to keep the state around.
5618 if !tabstop.is_end_tabstop {
5619 let choices = tabstops
5620 .iter()
5621 .map(|tabstop| tabstop.choices.clone())
5622 .collect();
5623
5624 let ranges = tabstops
5625 .into_iter()
5626 .map(|tabstop| tabstop.ranges)
5627 .collect::<Vec<_>>();
5628
5629 self.snippet_stack.push(SnippetState {
5630 active_index: 0,
5631 ranges,
5632 choices,
5633 });
5634 }
5635
5636 // Check whether the just-entered snippet ends with an auto-closable bracket.
5637 if self.autoclose_regions.is_empty() {
5638 let snapshot = self.buffer.read(cx).snapshot(cx);
5639 for selection in &mut self.selections.all::<Point>(cx) {
5640 let selection_head = selection.head();
5641 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5642 continue;
5643 };
5644
5645 let mut bracket_pair = None;
5646 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5647 let prev_chars = snapshot
5648 .reversed_chars_at(selection_head)
5649 .collect::<String>();
5650 for (pair, enabled) in scope.brackets() {
5651 if enabled
5652 && pair.close
5653 && prev_chars.starts_with(pair.start.as_str())
5654 && next_chars.starts_with(pair.end.as_str())
5655 {
5656 bracket_pair = Some(pair.clone());
5657 break;
5658 }
5659 }
5660 if let Some(pair) = bracket_pair {
5661 let start = snapshot.anchor_after(selection_head);
5662 let end = snapshot.anchor_after(selection_head);
5663 self.autoclose_regions.push(AutocloseRegion {
5664 selection_id: selection.id,
5665 range: start..end,
5666 pair,
5667 });
5668 }
5669 }
5670 }
5671 }
5672 Ok(())
5673 }
5674
5675 pub fn move_to_next_snippet_tabstop(
5676 &mut self,
5677 window: &mut Window,
5678 cx: &mut Context<Self>,
5679 ) -> bool {
5680 self.move_to_snippet_tabstop(Bias::Right, window, cx)
5681 }
5682
5683 pub fn move_to_prev_snippet_tabstop(
5684 &mut self,
5685 window: &mut Window,
5686 cx: &mut Context<Self>,
5687 ) -> bool {
5688 self.move_to_snippet_tabstop(Bias::Left, window, cx)
5689 }
5690
5691 pub fn move_to_snippet_tabstop(
5692 &mut self,
5693 bias: Bias,
5694 window: &mut Window,
5695 cx: &mut Context<Self>,
5696 ) -> bool {
5697 if let Some(mut snippet) = self.snippet_stack.pop() {
5698 match bias {
5699 Bias::Left => {
5700 if snippet.active_index > 0 {
5701 snippet.active_index -= 1;
5702 } else {
5703 self.snippet_stack.push(snippet);
5704 return false;
5705 }
5706 }
5707 Bias::Right => {
5708 if snippet.active_index + 1 < snippet.ranges.len() {
5709 snippet.active_index += 1;
5710 } else {
5711 self.snippet_stack.push(snippet);
5712 return false;
5713 }
5714 }
5715 }
5716 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5717 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5718 s.select_anchor_ranges(current_ranges.iter().cloned())
5719 });
5720
5721 if let Some(choices) = &snippet.choices[snippet.active_index] {
5722 if let Some(selection) = current_ranges.first() {
5723 self.show_snippet_choices(&choices, selection.clone(), cx);
5724 }
5725 }
5726
5727 // If snippet state is not at the last tabstop, push it back on the stack
5728 if snippet.active_index + 1 < snippet.ranges.len() {
5729 self.snippet_stack.push(snippet);
5730 }
5731 return true;
5732 }
5733 }
5734
5735 false
5736 }
5737
5738 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5739 self.transact(window, cx, |this, window, cx| {
5740 this.select_all(&SelectAll, window, cx);
5741 this.insert("", window, cx);
5742 });
5743 }
5744
5745 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
5746 self.transact(window, cx, |this, window, cx| {
5747 this.select_autoclose_pair(window, cx);
5748 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5749 if !this.linked_edit_ranges.is_empty() {
5750 let selections = this.selections.all::<MultiBufferPoint>(cx);
5751 let snapshot = this.buffer.read(cx).snapshot(cx);
5752
5753 for selection in selections.iter() {
5754 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5755 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5756 if selection_start.buffer_id != selection_end.buffer_id {
5757 continue;
5758 }
5759 if let Some(ranges) =
5760 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5761 {
5762 for (buffer, entries) in ranges {
5763 linked_ranges.entry(buffer).or_default().extend(entries);
5764 }
5765 }
5766 }
5767 }
5768
5769 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5770 if !this.selections.line_mode {
5771 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5772 for selection in &mut selections {
5773 if selection.is_empty() {
5774 let old_head = selection.head();
5775 let mut new_head =
5776 movement::left(&display_map, old_head.to_display_point(&display_map))
5777 .to_point(&display_map);
5778 if let Some((buffer, line_buffer_range)) = display_map
5779 .buffer_snapshot
5780 .buffer_line_for_row(MultiBufferRow(old_head.row))
5781 {
5782 let indent_size =
5783 buffer.indent_size_for_line(line_buffer_range.start.row);
5784 let indent_len = match indent_size.kind {
5785 IndentKind::Space => {
5786 buffer.settings_at(line_buffer_range.start, cx).tab_size
5787 }
5788 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5789 };
5790 if old_head.column <= indent_size.len && old_head.column > 0 {
5791 let indent_len = indent_len.get();
5792 new_head = cmp::min(
5793 new_head,
5794 MultiBufferPoint::new(
5795 old_head.row,
5796 ((old_head.column - 1) / indent_len) * indent_len,
5797 ),
5798 );
5799 }
5800 }
5801
5802 selection.set_head(new_head, SelectionGoal::None);
5803 }
5804 }
5805 }
5806
5807 this.signature_help_state.set_backspace_pressed(true);
5808 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5809 s.select(selections)
5810 });
5811 this.insert("", window, cx);
5812 let empty_str: Arc<str> = Arc::from("");
5813 for (buffer, edits) in linked_ranges {
5814 let snapshot = buffer.read(cx).snapshot();
5815 use text::ToPoint as TP;
5816
5817 let edits = edits
5818 .into_iter()
5819 .map(|range| {
5820 let end_point = TP::to_point(&range.end, &snapshot);
5821 let mut start_point = TP::to_point(&range.start, &snapshot);
5822
5823 if end_point == start_point {
5824 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5825 .saturating_sub(1);
5826 start_point =
5827 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
5828 };
5829
5830 (start_point..end_point, empty_str.clone())
5831 })
5832 .sorted_by_key(|(range, _)| range.start)
5833 .collect::<Vec<_>>();
5834 buffer.update(cx, |this, cx| {
5835 this.edit(edits, None, cx);
5836 })
5837 }
5838 this.refresh_inline_completion(true, false, window, cx);
5839 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
5840 });
5841 }
5842
5843 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
5844 self.transact(window, cx, |this, window, cx| {
5845 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5846 let line_mode = s.line_mode;
5847 s.move_with(|map, selection| {
5848 if selection.is_empty() && !line_mode {
5849 let cursor = movement::right(map, selection.head());
5850 selection.end = cursor;
5851 selection.reversed = true;
5852 selection.goal = SelectionGoal::None;
5853 }
5854 })
5855 });
5856 this.insert("", window, cx);
5857 this.refresh_inline_completion(true, false, window, cx);
5858 });
5859 }
5860
5861 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
5862 if self.move_to_prev_snippet_tabstop(window, cx) {
5863 return;
5864 }
5865
5866 self.outdent(&Outdent, window, cx);
5867 }
5868
5869 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
5870 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
5871 return;
5872 }
5873
5874 let mut selections = self.selections.all_adjusted(cx);
5875 let buffer = self.buffer.read(cx);
5876 let snapshot = buffer.snapshot(cx);
5877 let rows_iter = selections.iter().map(|s| s.head().row);
5878 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5879
5880 let mut edits = Vec::new();
5881 let mut prev_edited_row = 0;
5882 let mut row_delta = 0;
5883 for selection in &mut selections {
5884 if selection.start.row != prev_edited_row {
5885 row_delta = 0;
5886 }
5887 prev_edited_row = selection.end.row;
5888
5889 // If the selection is non-empty, then increase the indentation of the selected lines.
5890 if !selection.is_empty() {
5891 row_delta =
5892 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5893 continue;
5894 }
5895
5896 // If the selection is empty and the cursor is in the leading whitespace before the
5897 // suggested indentation, then auto-indent the line.
5898 let cursor = selection.head();
5899 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5900 if let Some(suggested_indent) =
5901 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5902 {
5903 if cursor.column < suggested_indent.len
5904 && cursor.column <= current_indent.len
5905 && current_indent.len <= suggested_indent.len
5906 {
5907 selection.start = Point::new(cursor.row, suggested_indent.len);
5908 selection.end = selection.start;
5909 if row_delta == 0 {
5910 edits.extend(Buffer::edit_for_indent_size_adjustment(
5911 cursor.row,
5912 current_indent,
5913 suggested_indent,
5914 ));
5915 row_delta = suggested_indent.len - current_indent.len;
5916 }
5917 continue;
5918 }
5919 }
5920
5921 // Otherwise, insert a hard or soft tab.
5922 let settings = buffer.settings_at(cursor, cx);
5923 let tab_size = if settings.hard_tabs {
5924 IndentSize::tab()
5925 } else {
5926 let tab_size = settings.tab_size.get();
5927 let char_column = snapshot
5928 .text_for_range(Point::new(cursor.row, 0)..cursor)
5929 .flat_map(str::chars)
5930 .count()
5931 + row_delta as usize;
5932 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5933 IndentSize::spaces(chars_to_next_tab_stop)
5934 };
5935 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5936 selection.end = selection.start;
5937 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5938 row_delta += tab_size.len;
5939 }
5940
5941 self.transact(window, cx, |this, window, cx| {
5942 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5943 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5944 s.select(selections)
5945 });
5946 this.refresh_inline_completion(true, false, window, cx);
5947 });
5948 }
5949
5950 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
5951 if self.read_only(cx) {
5952 return;
5953 }
5954 let mut selections = self.selections.all::<Point>(cx);
5955 let mut prev_edited_row = 0;
5956 let mut row_delta = 0;
5957 let mut edits = Vec::new();
5958 let buffer = self.buffer.read(cx);
5959 let snapshot = buffer.snapshot(cx);
5960 for selection in &mut selections {
5961 if selection.start.row != prev_edited_row {
5962 row_delta = 0;
5963 }
5964 prev_edited_row = selection.end.row;
5965
5966 row_delta =
5967 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5968 }
5969
5970 self.transact(window, cx, |this, window, cx| {
5971 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5972 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5973 s.select(selections)
5974 });
5975 });
5976 }
5977
5978 fn indent_selection(
5979 buffer: &MultiBuffer,
5980 snapshot: &MultiBufferSnapshot,
5981 selection: &mut Selection<Point>,
5982 edits: &mut Vec<(Range<Point>, String)>,
5983 delta_for_start_row: u32,
5984 cx: &App,
5985 ) -> u32 {
5986 let settings = buffer.settings_at(selection.start, cx);
5987 let tab_size = settings.tab_size.get();
5988 let indent_kind = if settings.hard_tabs {
5989 IndentKind::Tab
5990 } else {
5991 IndentKind::Space
5992 };
5993 let mut start_row = selection.start.row;
5994 let mut end_row = selection.end.row + 1;
5995
5996 // If a selection ends at the beginning of a line, don't indent
5997 // that last line.
5998 if selection.end.column == 0 && selection.end.row > selection.start.row {
5999 end_row -= 1;
6000 }
6001
6002 // Avoid re-indenting a row that has already been indented by a
6003 // previous selection, but still update this selection's column
6004 // to reflect that indentation.
6005 if delta_for_start_row > 0 {
6006 start_row += 1;
6007 selection.start.column += delta_for_start_row;
6008 if selection.end.row == selection.start.row {
6009 selection.end.column += delta_for_start_row;
6010 }
6011 }
6012
6013 let mut delta_for_end_row = 0;
6014 let has_multiple_rows = start_row + 1 != end_row;
6015 for row in start_row..end_row {
6016 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6017 let indent_delta = match (current_indent.kind, indent_kind) {
6018 (IndentKind::Space, IndentKind::Space) => {
6019 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6020 IndentSize::spaces(columns_to_next_tab_stop)
6021 }
6022 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6023 (_, IndentKind::Tab) => IndentSize::tab(),
6024 };
6025
6026 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6027 0
6028 } else {
6029 selection.start.column
6030 };
6031 let row_start = Point::new(row, start);
6032 edits.push((
6033 row_start..row_start,
6034 indent_delta.chars().collect::<String>(),
6035 ));
6036
6037 // Update this selection's endpoints to reflect the indentation.
6038 if row == selection.start.row {
6039 selection.start.column += indent_delta.len;
6040 }
6041 if row == selection.end.row {
6042 selection.end.column += indent_delta.len;
6043 delta_for_end_row = indent_delta.len;
6044 }
6045 }
6046
6047 if selection.start.row == selection.end.row {
6048 delta_for_start_row + delta_for_end_row
6049 } else {
6050 delta_for_end_row
6051 }
6052 }
6053
6054 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6055 if self.read_only(cx) {
6056 return;
6057 }
6058 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6059 let selections = self.selections.all::<Point>(cx);
6060 let mut deletion_ranges = Vec::new();
6061 let mut last_outdent = None;
6062 {
6063 let buffer = self.buffer.read(cx);
6064 let snapshot = buffer.snapshot(cx);
6065 for selection in &selections {
6066 let settings = buffer.settings_at(selection.start, cx);
6067 let tab_size = settings.tab_size.get();
6068 let mut rows = selection.spanned_rows(false, &display_map);
6069
6070 // Avoid re-outdenting a row that has already been outdented by a
6071 // previous selection.
6072 if let Some(last_row) = last_outdent {
6073 if last_row == rows.start {
6074 rows.start = rows.start.next_row();
6075 }
6076 }
6077 let has_multiple_rows = rows.len() > 1;
6078 for row in rows.iter_rows() {
6079 let indent_size = snapshot.indent_size_for_line(row);
6080 if indent_size.len > 0 {
6081 let deletion_len = match indent_size.kind {
6082 IndentKind::Space => {
6083 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6084 if columns_to_prev_tab_stop == 0 {
6085 tab_size
6086 } else {
6087 columns_to_prev_tab_stop
6088 }
6089 }
6090 IndentKind::Tab => 1,
6091 };
6092 let start = if has_multiple_rows
6093 || deletion_len > selection.start.column
6094 || indent_size.len < selection.start.column
6095 {
6096 0
6097 } else {
6098 selection.start.column - deletion_len
6099 };
6100 deletion_ranges.push(
6101 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6102 );
6103 last_outdent = Some(row);
6104 }
6105 }
6106 }
6107 }
6108
6109 self.transact(window, cx, |this, window, cx| {
6110 this.buffer.update(cx, |buffer, cx| {
6111 let empty_str: Arc<str> = Arc::default();
6112 buffer.edit(
6113 deletion_ranges
6114 .into_iter()
6115 .map(|range| (range, empty_str.clone())),
6116 None,
6117 cx,
6118 );
6119 });
6120 let selections = this.selections.all::<usize>(cx);
6121 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6122 s.select(selections)
6123 });
6124 });
6125 }
6126
6127 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6128 if self.read_only(cx) {
6129 return;
6130 }
6131 let selections = self
6132 .selections
6133 .all::<usize>(cx)
6134 .into_iter()
6135 .map(|s| s.range());
6136
6137 self.transact(window, cx, |this, window, cx| {
6138 this.buffer.update(cx, |buffer, cx| {
6139 buffer.autoindent_ranges(selections, cx);
6140 });
6141 let selections = this.selections.all::<usize>(cx);
6142 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6143 s.select(selections)
6144 });
6145 });
6146 }
6147
6148 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6149 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6150 let selections = self.selections.all::<Point>(cx);
6151
6152 let mut new_cursors = Vec::new();
6153 let mut edit_ranges = Vec::new();
6154 let mut selections = selections.iter().peekable();
6155 while let Some(selection) = selections.next() {
6156 let mut rows = selection.spanned_rows(false, &display_map);
6157 let goal_display_column = selection.head().to_display_point(&display_map).column();
6158
6159 // Accumulate contiguous regions of rows that we want to delete.
6160 while let Some(next_selection) = selections.peek() {
6161 let next_rows = next_selection.spanned_rows(false, &display_map);
6162 if next_rows.start <= rows.end {
6163 rows.end = next_rows.end;
6164 selections.next().unwrap();
6165 } else {
6166 break;
6167 }
6168 }
6169
6170 let buffer = &display_map.buffer_snapshot;
6171 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6172 let edit_end;
6173 let cursor_buffer_row;
6174 if buffer.max_point().row >= rows.end.0 {
6175 // If there's a line after the range, delete the \n from the end of the row range
6176 // and position the cursor on the next line.
6177 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6178 cursor_buffer_row = rows.end;
6179 } else {
6180 // If there isn't a line after the range, delete the \n from the line before the
6181 // start of the row range and position the cursor there.
6182 edit_start = edit_start.saturating_sub(1);
6183 edit_end = buffer.len();
6184 cursor_buffer_row = rows.start.previous_row();
6185 }
6186
6187 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6188 *cursor.column_mut() =
6189 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6190
6191 new_cursors.push((
6192 selection.id,
6193 buffer.anchor_after(cursor.to_point(&display_map)),
6194 ));
6195 edit_ranges.push(edit_start..edit_end);
6196 }
6197
6198 self.transact(window, cx, |this, window, cx| {
6199 let buffer = this.buffer.update(cx, |buffer, cx| {
6200 let empty_str: Arc<str> = Arc::default();
6201 buffer.edit(
6202 edit_ranges
6203 .into_iter()
6204 .map(|range| (range, empty_str.clone())),
6205 None,
6206 cx,
6207 );
6208 buffer.snapshot(cx)
6209 });
6210 let new_selections = new_cursors
6211 .into_iter()
6212 .map(|(id, cursor)| {
6213 let cursor = cursor.to_point(&buffer);
6214 Selection {
6215 id,
6216 start: cursor,
6217 end: cursor,
6218 reversed: false,
6219 goal: SelectionGoal::None,
6220 }
6221 })
6222 .collect();
6223
6224 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6225 s.select(new_selections);
6226 });
6227 });
6228 }
6229
6230 pub fn join_lines_impl(
6231 &mut self,
6232 insert_whitespace: bool,
6233 window: &mut Window,
6234 cx: &mut Context<Self>,
6235 ) {
6236 if self.read_only(cx) {
6237 return;
6238 }
6239 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6240 for selection in self.selections.all::<Point>(cx) {
6241 let start = MultiBufferRow(selection.start.row);
6242 // Treat single line selections as if they include the next line. Otherwise this action
6243 // would do nothing for single line selections individual cursors.
6244 let end = if selection.start.row == selection.end.row {
6245 MultiBufferRow(selection.start.row + 1)
6246 } else {
6247 MultiBufferRow(selection.end.row)
6248 };
6249
6250 if let Some(last_row_range) = row_ranges.last_mut() {
6251 if start <= last_row_range.end {
6252 last_row_range.end = end;
6253 continue;
6254 }
6255 }
6256 row_ranges.push(start..end);
6257 }
6258
6259 let snapshot = self.buffer.read(cx).snapshot(cx);
6260 let mut cursor_positions = Vec::new();
6261 for row_range in &row_ranges {
6262 let anchor = snapshot.anchor_before(Point::new(
6263 row_range.end.previous_row().0,
6264 snapshot.line_len(row_range.end.previous_row()),
6265 ));
6266 cursor_positions.push(anchor..anchor);
6267 }
6268
6269 self.transact(window, cx, |this, window, cx| {
6270 for row_range in row_ranges.into_iter().rev() {
6271 for row in row_range.iter_rows().rev() {
6272 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6273 let next_line_row = row.next_row();
6274 let indent = snapshot.indent_size_for_line(next_line_row);
6275 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6276
6277 let replace =
6278 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6279 " "
6280 } else {
6281 ""
6282 };
6283
6284 this.buffer.update(cx, |buffer, cx| {
6285 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6286 });
6287 }
6288 }
6289
6290 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6291 s.select_anchor_ranges(cursor_positions)
6292 });
6293 });
6294 }
6295
6296 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6297 self.join_lines_impl(true, window, cx);
6298 }
6299
6300 pub fn sort_lines_case_sensitive(
6301 &mut self,
6302 _: &SortLinesCaseSensitive,
6303 window: &mut Window,
6304 cx: &mut Context<Self>,
6305 ) {
6306 self.manipulate_lines(window, cx, |lines| lines.sort())
6307 }
6308
6309 pub fn sort_lines_case_insensitive(
6310 &mut self,
6311 _: &SortLinesCaseInsensitive,
6312 window: &mut Window,
6313 cx: &mut Context<Self>,
6314 ) {
6315 self.manipulate_lines(window, cx, |lines| {
6316 lines.sort_by_key(|line| line.to_lowercase())
6317 })
6318 }
6319
6320 pub fn unique_lines_case_insensitive(
6321 &mut self,
6322 _: &UniqueLinesCaseInsensitive,
6323 window: &mut Window,
6324 cx: &mut Context<Self>,
6325 ) {
6326 self.manipulate_lines(window, cx, |lines| {
6327 let mut seen = HashSet::default();
6328 lines.retain(|line| seen.insert(line.to_lowercase()));
6329 })
6330 }
6331
6332 pub fn unique_lines_case_sensitive(
6333 &mut self,
6334 _: &UniqueLinesCaseSensitive,
6335 window: &mut Window,
6336 cx: &mut Context<Self>,
6337 ) {
6338 self.manipulate_lines(window, cx, |lines| {
6339 let mut seen = HashSet::default();
6340 lines.retain(|line| seen.insert(*line));
6341 })
6342 }
6343
6344 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6345 let mut revert_changes = HashMap::default();
6346 let snapshot = self.snapshot(window, cx);
6347 for hunk in snapshot
6348 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6349 {
6350 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6351 }
6352 if !revert_changes.is_empty() {
6353 self.transact(window, cx, |editor, window, cx| {
6354 editor.revert(revert_changes, window, cx);
6355 });
6356 }
6357 }
6358
6359 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6360 let Some(project) = self.project.clone() else {
6361 return;
6362 };
6363 self.reload(project, window, cx)
6364 .detach_and_notify_err(window, cx);
6365 }
6366
6367 pub fn revert_selected_hunks(
6368 &mut self,
6369 _: &RevertSelectedHunks,
6370 window: &mut Window,
6371 cx: &mut Context<Self>,
6372 ) {
6373 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6374 self.revert_hunks_in_ranges(selections, window, cx);
6375 }
6376
6377 fn revert_hunks_in_ranges(
6378 &mut self,
6379 ranges: impl Iterator<Item = Range<Point>>,
6380 window: &mut Window,
6381 cx: &mut Context<Editor>,
6382 ) {
6383 let mut revert_changes = HashMap::default();
6384 let snapshot = self.snapshot(window, cx);
6385 for hunk in &snapshot.hunks_for_ranges(ranges) {
6386 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6387 }
6388 if !revert_changes.is_empty() {
6389 self.transact(window, cx, |editor, window, cx| {
6390 editor.revert(revert_changes, window, cx);
6391 });
6392 }
6393 }
6394
6395 pub fn open_active_item_in_terminal(
6396 &mut self,
6397 _: &OpenInTerminal,
6398 window: &mut Window,
6399 cx: &mut Context<Self>,
6400 ) {
6401 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6402 let project_path = buffer.read(cx).project_path(cx)?;
6403 let project = self.project.as_ref()?.read(cx);
6404 let entry = project.entry_for_path(&project_path, cx)?;
6405 let parent = match &entry.canonical_path {
6406 Some(canonical_path) => canonical_path.to_path_buf(),
6407 None => project.absolute_path(&project_path, cx)?,
6408 }
6409 .parent()?
6410 .to_path_buf();
6411 Some(parent)
6412 }) {
6413 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6414 }
6415 }
6416
6417 pub fn prepare_revert_change(
6418 &self,
6419 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6420 hunk: &MultiBufferDiffHunk,
6421 cx: &mut App,
6422 ) -> Option<()> {
6423 let buffer = self.buffer.read(cx);
6424 let change_set = buffer.change_set_for(hunk.buffer_id)?;
6425 let buffer = buffer.buffer(hunk.buffer_id)?;
6426 let buffer = buffer.read(cx);
6427 let original_text = change_set
6428 .read(cx)
6429 .base_text
6430 .as_ref()?
6431 .as_rope()
6432 .slice(hunk.diff_base_byte_range.clone());
6433 let buffer_snapshot = buffer.snapshot();
6434 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6435 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6436 probe
6437 .0
6438 .start
6439 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6440 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6441 }) {
6442 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6443 Some(())
6444 } else {
6445 None
6446 }
6447 }
6448
6449 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
6450 self.manipulate_lines(window, cx, |lines| lines.reverse())
6451 }
6452
6453 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
6454 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
6455 }
6456
6457 fn manipulate_lines<Fn>(
6458 &mut self,
6459 window: &mut Window,
6460 cx: &mut Context<Self>,
6461 mut callback: Fn,
6462 ) where
6463 Fn: FnMut(&mut Vec<&str>),
6464 {
6465 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6466 let buffer = self.buffer.read(cx).snapshot(cx);
6467
6468 let mut edits = Vec::new();
6469
6470 let selections = self.selections.all::<Point>(cx);
6471 let mut selections = selections.iter().peekable();
6472 let mut contiguous_row_selections = Vec::new();
6473 let mut new_selections = Vec::new();
6474 let mut added_lines = 0;
6475 let mut removed_lines = 0;
6476
6477 while let Some(selection) = selections.next() {
6478 let (start_row, end_row) = consume_contiguous_rows(
6479 &mut contiguous_row_selections,
6480 selection,
6481 &display_map,
6482 &mut selections,
6483 );
6484
6485 let start_point = Point::new(start_row.0, 0);
6486 let end_point = Point::new(
6487 end_row.previous_row().0,
6488 buffer.line_len(end_row.previous_row()),
6489 );
6490 let text = buffer
6491 .text_for_range(start_point..end_point)
6492 .collect::<String>();
6493
6494 let mut lines = text.split('\n').collect_vec();
6495
6496 let lines_before = lines.len();
6497 callback(&mut lines);
6498 let lines_after = lines.len();
6499
6500 edits.push((start_point..end_point, lines.join("\n")));
6501
6502 // Selections must change based on added and removed line count
6503 let start_row =
6504 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6505 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6506 new_selections.push(Selection {
6507 id: selection.id,
6508 start: start_row,
6509 end: end_row,
6510 goal: SelectionGoal::None,
6511 reversed: selection.reversed,
6512 });
6513
6514 if lines_after > lines_before {
6515 added_lines += lines_after - lines_before;
6516 } else if lines_before > lines_after {
6517 removed_lines += lines_before - lines_after;
6518 }
6519 }
6520
6521 self.transact(window, cx, |this, window, cx| {
6522 let buffer = this.buffer.update(cx, |buffer, cx| {
6523 buffer.edit(edits, None, cx);
6524 buffer.snapshot(cx)
6525 });
6526
6527 // Recalculate offsets on newly edited buffer
6528 let new_selections = new_selections
6529 .iter()
6530 .map(|s| {
6531 let start_point = Point::new(s.start.0, 0);
6532 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6533 Selection {
6534 id: s.id,
6535 start: buffer.point_to_offset(start_point),
6536 end: buffer.point_to_offset(end_point),
6537 goal: s.goal,
6538 reversed: s.reversed,
6539 }
6540 })
6541 .collect();
6542
6543 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6544 s.select(new_selections);
6545 });
6546
6547 this.request_autoscroll(Autoscroll::fit(), cx);
6548 });
6549 }
6550
6551 pub fn convert_to_upper_case(
6552 &mut self,
6553 _: &ConvertToUpperCase,
6554 window: &mut Window,
6555 cx: &mut Context<Self>,
6556 ) {
6557 self.manipulate_text(window, cx, |text| text.to_uppercase())
6558 }
6559
6560 pub fn convert_to_lower_case(
6561 &mut self,
6562 _: &ConvertToLowerCase,
6563 window: &mut Window,
6564 cx: &mut Context<Self>,
6565 ) {
6566 self.manipulate_text(window, cx, |text| text.to_lowercase())
6567 }
6568
6569 pub fn convert_to_title_case(
6570 &mut self,
6571 _: &ConvertToTitleCase,
6572 window: &mut Window,
6573 cx: &mut Context<Self>,
6574 ) {
6575 self.manipulate_text(window, cx, |text| {
6576 text.split('\n')
6577 .map(|line| line.to_case(Case::Title))
6578 .join("\n")
6579 })
6580 }
6581
6582 pub fn convert_to_snake_case(
6583 &mut self,
6584 _: &ConvertToSnakeCase,
6585 window: &mut Window,
6586 cx: &mut Context<Self>,
6587 ) {
6588 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
6589 }
6590
6591 pub fn convert_to_kebab_case(
6592 &mut self,
6593 _: &ConvertToKebabCase,
6594 window: &mut Window,
6595 cx: &mut Context<Self>,
6596 ) {
6597 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
6598 }
6599
6600 pub fn convert_to_upper_camel_case(
6601 &mut self,
6602 _: &ConvertToUpperCamelCase,
6603 window: &mut Window,
6604 cx: &mut Context<Self>,
6605 ) {
6606 self.manipulate_text(window, cx, |text| {
6607 text.split('\n')
6608 .map(|line| line.to_case(Case::UpperCamel))
6609 .join("\n")
6610 })
6611 }
6612
6613 pub fn convert_to_lower_camel_case(
6614 &mut self,
6615 _: &ConvertToLowerCamelCase,
6616 window: &mut Window,
6617 cx: &mut Context<Self>,
6618 ) {
6619 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
6620 }
6621
6622 pub fn convert_to_opposite_case(
6623 &mut self,
6624 _: &ConvertToOppositeCase,
6625 window: &mut Window,
6626 cx: &mut Context<Self>,
6627 ) {
6628 self.manipulate_text(window, cx, |text| {
6629 text.chars()
6630 .fold(String::with_capacity(text.len()), |mut t, c| {
6631 if c.is_uppercase() {
6632 t.extend(c.to_lowercase());
6633 } else {
6634 t.extend(c.to_uppercase());
6635 }
6636 t
6637 })
6638 })
6639 }
6640
6641 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
6642 where
6643 Fn: FnMut(&str) -> String,
6644 {
6645 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6646 let buffer = self.buffer.read(cx).snapshot(cx);
6647
6648 let mut new_selections = Vec::new();
6649 let mut edits = Vec::new();
6650 let mut selection_adjustment = 0i32;
6651
6652 for selection in self.selections.all::<usize>(cx) {
6653 let selection_is_empty = selection.is_empty();
6654
6655 let (start, end) = if selection_is_empty {
6656 let word_range = movement::surrounding_word(
6657 &display_map,
6658 selection.start.to_display_point(&display_map),
6659 );
6660 let start = word_range.start.to_offset(&display_map, Bias::Left);
6661 let end = word_range.end.to_offset(&display_map, Bias::Left);
6662 (start, end)
6663 } else {
6664 (selection.start, selection.end)
6665 };
6666
6667 let text = buffer.text_for_range(start..end).collect::<String>();
6668 let old_length = text.len() as i32;
6669 let text = callback(&text);
6670
6671 new_selections.push(Selection {
6672 start: (start as i32 - selection_adjustment) as usize,
6673 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6674 goal: SelectionGoal::None,
6675 ..selection
6676 });
6677
6678 selection_adjustment += old_length - text.len() as i32;
6679
6680 edits.push((start..end, text));
6681 }
6682
6683 self.transact(window, cx, |this, window, cx| {
6684 this.buffer.update(cx, |buffer, cx| {
6685 buffer.edit(edits, None, cx);
6686 });
6687
6688 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6689 s.select(new_selections);
6690 });
6691
6692 this.request_autoscroll(Autoscroll::fit(), cx);
6693 });
6694 }
6695
6696 pub fn duplicate(
6697 &mut self,
6698 upwards: bool,
6699 whole_lines: bool,
6700 window: &mut Window,
6701 cx: &mut Context<Self>,
6702 ) {
6703 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6704 let buffer = &display_map.buffer_snapshot;
6705 let selections = self.selections.all::<Point>(cx);
6706
6707 let mut edits = Vec::new();
6708 let mut selections_iter = selections.iter().peekable();
6709 while let Some(selection) = selections_iter.next() {
6710 let mut rows = selection.spanned_rows(false, &display_map);
6711 // duplicate line-wise
6712 if whole_lines || selection.start == selection.end {
6713 // Avoid duplicating the same lines twice.
6714 while let Some(next_selection) = selections_iter.peek() {
6715 let next_rows = next_selection.spanned_rows(false, &display_map);
6716 if next_rows.start < rows.end {
6717 rows.end = next_rows.end;
6718 selections_iter.next().unwrap();
6719 } else {
6720 break;
6721 }
6722 }
6723
6724 // Copy the text from the selected row region and splice it either at the start
6725 // or end of the region.
6726 let start = Point::new(rows.start.0, 0);
6727 let end = Point::new(
6728 rows.end.previous_row().0,
6729 buffer.line_len(rows.end.previous_row()),
6730 );
6731 let text = buffer
6732 .text_for_range(start..end)
6733 .chain(Some("\n"))
6734 .collect::<String>();
6735 let insert_location = if upwards {
6736 Point::new(rows.end.0, 0)
6737 } else {
6738 start
6739 };
6740 edits.push((insert_location..insert_location, text));
6741 } else {
6742 // duplicate character-wise
6743 let start = selection.start;
6744 let end = selection.end;
6745 let text = buffer.text_for_range(start..end).collect::<String>();
6746 edits.push((selection.end..selection.end, text));
6747 }
6748 }
6749
6750 self.transact(window, cx, |this, _, cx| {
6751 this.buffer.update(cx, |buffer, cx| {
6752 buffer.edit(edits, None, cx);
6753 });
6754
6755 this.request_autoscroll(Autoscroll::fit(), cx);
6756 });
6757 }
6758
6759 pub fn duplicate_line_up(
6760 &mut self,
6761 _: &DuplicateLineUp,
6762 window: &mut Window,
6763 cx: &mut Context<Self>,
6764 ) {
6765 self.duplicate(true, true, window, cx);
6766 }
6767
6768 pub fn duplicate_line_down(
6769 &mut self,
6770 _: &DuplicateLineDown,
6771 window: &mut Window,
6772 cx: &mut Context<Self>,
6773 ) {
6774 self.duplicate(false, true, window, cx);
6775 }
6776
6777 pub fn duplicate_selection(
6778 &mut self,
6779 _: &DuplicateSelection,
6780 window: &mut Window,
6781 cx: &mut Context<Self>,
6782 ) {
6783 self.duplicate(false, false, window, cx);
6784 }
6785
6786 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
6787 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6788 let buffer = self.buffer.read(cx).snapshot(cx);
6789
6790 let mut edits = Vec::new();
6791 let mut unfold_ranges = Vec::new();
6792 let mut refold_creases = Vec::new();
6793
6794 let selections = self.selections.all::<Point>(cx);
6795 let mut selections = selections.iter().peekable();
6796 let mut contiguous_row_selections = Vec::new();
6797 let mut new_selections = Vec::new();
6798
6799 while let Some(selection) = selections.next() {
6800 // Find all the selections that span a contiguous row range
6801 let (start_row, end_row) = consume_contiguous_rows(
6802 &mut contiguous_row_selections,
6803 selection,
6804 &display_map,
6805 &mut selections,
6806 );
6807
6808 // Move the text spanned by the row range to be before the line preceding the row range
6809 if start_row.0 > 0 {
6810 let range_to_move = Point::new(
6811 start_row.previous_row().0,
6812 buffer.line_len(start_row.previous_row()),
6813 )
6814 ..Point::new(
6815 end_row.previous_row().0,
6816 buffer.line_len(end_row.previous_row()),
6817 );
6818 let insertion_point = display_map
6819 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6820 .0;
6821
6822 // Don't move lines across excerpts
6823 if buffer
6824 .excerpt_containing(insertion_point..range_to_move.end)
6825 .is_some()
6826 {
6827 let text = buffer
6828 .text_for_range(range_to_move.clone())
6829 .flat_map(|s| s.chars())
6830 .skip(1)
6831 .chain(['\n'])
6832 .collect::<String>();
6833
6834 edits.push((
6835 buffer.anchor_after(range_to_move.start)
6836 ..buffer.anchor_before(range_to_move.end),
6837 String::new(),
6838 ));
6839 let insertion_anchor = buffer.anchor_after(insertion_point);
6840 edits.push((insertion_anchor..insertion_anchor, text));
6841
6842 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6843
6844 // Move selections up
6845 new_selections.extend(contiguous_row_selections.drain(..).map(
6846 |mut selection| {
6847 selection.start.row -= row_delta;
6848 selection.end.row -= row_delta;
6849 selection
6850 },
6851 ));
6852
6853 // Move folds up
6854 unfold_ranges.push(range_to_move.clone());
6855 for fold in display_map.folds_in_range(
6856 buffer.anchor_before(range_to_move.start)
6857 ..buffer.anchor_after(range_to_move.end),
6858 ) {
6859 let mut start = fold.range.start.to_point(&buffer);
6860 let mut end = fold.range.end.to_point(&buffer);
6861 start.row -= row_delta;
6862 end.row -= row_delta;
6863 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6864 }
6865 }
6866 }
6867
6868 // If we didn't move line(s), preserve the existing selections
6869 new_selections.append(&mut contiguous_row_selections);
6870 }
6871
6872 self.transact(window, cx, |this, window, cx| {
6873 this.unfold_ranges(&unfold_ranges, true, true, cx);
6874 this.buffer.update(cx, |buffer, cx| {
6875 for (range, text) in edits {
6876 buffer.edit([(range, text)], None, cx);
6877 }
6878 });
6879 this.fold_creases(refold_creases, true, window, cx);
6880 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6881 s.select(new_selections);
6882 })
6883 });
6884 }
6885
6886 pub fn move_line_down(
6887 &mut self,
6888 _: &MoveLineDown,
6889 window: &mut Window,
6890 cx: &mut Context<Self>,
6891 ) {
6892 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6893 let buffer = self.buffer.read(cx).snapshot(cx);
6894
6895 let mut edits = Vec::new();
6896 let mut unfold_ranges = Vec::new();
6897 let mut refold_creases = Vec::new();
6898
6899 let selections = self.selections.all::<Point>(cx);
6900 let mut selections = selections.iter().peekable();
6901 let mut contiguous_row_selections = Vec::new();
6902 let mut new_selections = Vec::new();
6903
6904 while let Some(selection) = selections.next() {
6905 // Find all the selections that span a contiguous row range
6906 let (start_row, end_row) = consume_contiguous_rows(
6907 &mut contiguous_row_selections,
6908 selection,
6909 &display_map,
6910 &mut selections,
6911 );
6912
6913 // Move the text spanned by the row range to be after the last line of the row range
6914 if end_row.0 <= buffer.max_point().row {
6915 let range_to_move =
6916 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6917 let insertion_point = display_map
6918 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6919 .0;
6920
6921 // Don't move lines across excerpt boundaries
6922 if buffer
6923 .excerpt_containing(range_to_move.start..insertion_point)
6924 .is_some()
6925 {
6926 let mut text = String::from("\n");
6927 text.extend(buffer.text_for_range(range_to_move.clone()));
6928 text.pop(); // Drop trailing newline
6929 edits.push((
6930 buffer.anchor_after(range_to_move.start)
6931 ..buffer.anchor_before(range_to_move.end),
6932 String::new(),
6933 ));
6934 let insertion_anchor = buffer.anchor_after(insertion_point);
6935 edits.push((insertion_anchor..insertion_anchor, text));
6936
6937 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6938
6939 // Move selections down
6940 new_selections.extend(contiguous_row_selections.drain(..).map(
6941 |mut selection| {
6942 selection.start.row += row_delta;
6943 selection.end.row += row_delta;
6944 selection
6945 },
6946 ));
6947
6948 // Move folds down
6949 unfold_ranges.push(range_to_move.clone());
6950 for fold in display_map.folds_in_range(
6951 buffer.anchor_before(range_to_move.start)
6952 ..buffer.anchor_after(range_to_move.end),
6953 ) {
6954 let mut start = fold.range.start.to_point(&buffer);
6955 let mut end = fold.range.end.to_point(&buffer);
6956 start.row += row_delta;
6957 end.row += row_delta;
6958 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6959 }
6960 }
6961 }
6962
6963 // If we didn't move line(s), preserve the existing selections
6964 new_selections.append(&mut contiguous_row_selections);
6965 }
6966
6967 self.transact(window, cx, |this, window, cx| {
6968 this.unfold_ranges(&unfold_ranges, true, true, cx);
6969 this.buffer.update(cx, |buffer, cx| {
6970 for (range, text) in edits {
6971 buffer.edit([(range, text)], None, cx);
6972 }
6973 });
6974 this.fold_creases(refold_creases, true, window, cx);
6975 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6976 s.select(new_selections)
6977 });
6978 });
6979 }
6980
6981 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
6982 let text_layout_details = &self.text_layout_details(window);
6983 self.transact(window, cx, |this, window, cx| {
6984 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6985 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6986 let line_mode = s.line_mode;
6987 s.move_with(|display_map, selection| {
6988 if !selection.is_empty() || line_mode {
6989 return;
6990 }
6991
6992 let mut head = selection.head();
6993 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6994 if head.column() == display_map.line_len(head.row()) {
6995 transpose_offset = display_map
6996 .buffer_snapshot
6997 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6998 }
6999
7000 if transpose_offset == 0 {
7001 return;
7002 }
7003
7004 *head.column_mut() += 1;
7005 head = display_map.clip_point(head, Bias::Right);
7006 let goal = SelectionGoal::HorizontalPosition(
7007 display_map
7008 .x_for_display_point(head, text_layout_details)
7009 .into(),
7010 );
7011 selection.collapse_to(head, goal);
7012
7013 let transpose_start = display_map
7014 .buffer_snapshot
7015 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7016 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7017 let transpose_end = display_map
7018 .buffer_snapshot
7019 .clip_offset(transpose_offset + 1, Bias::Right);
7020 if let Some(ch) =
7021 display_map.buffer_snapshot.chars_at(transpose_start).next()
7022 {
7023 edits.push((transpose_start..transpose_offset, String::new()));
7024 edits.push((transpose_end..transpose_end, ch.to_string()));
7025 }
7026 }
7027 });
7028 edits
7029 });
7030 this.buffer
7031 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7032 let selections = this.selections.all::<usize>(cx);
7033 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7034 s.select(selections);
7035 });
7036 });
7037 }
7038
7039 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7040 self.rewrap_impl(IsVimMode::No, cx)
7041 }
7042
7043 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7044 let buffer = self.buffer.read(cx).snapshot(cx);
7045 let selections = self.selections.all::<Point>(cx);
7046 let mut selections = selections.iter().peekable();
7047
7048 let mut edits = Vec::new();
7049 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7050
7051 while let Some(selection) = selections.next() {
7052 let mut start_row = selection.start.row;
7053 let mut end_row = selection.end.row;
7054
7055 // Skip selections that overlap with a range that has already been rewrapped.
7056 let selection_range = start_row..end_row;
7057 if rewrapped_row_ranges
7058 .iter()
7059 .any(|range| range.overlaps(&selection_range))
7060 {
7061 continue;
7062 }
7063
7064 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7065
7066 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7067 match language_scope.language_name().as_ref() {
7068 "Markdown" | "Plain Text" => {
7069 should_rewrap = true;
7070 }
7071 _ => {}
7072 }
7073 }
7074
7075 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7076
7077 // Since not all lines in the selection may be at the same indent
7078 // level, choose the indent size that is the most common between all
7079 // of the lines.
7080 //
7081 // If there is a tie, we use the deepest indent.
7082 let (indent_size, indent_end) = {
7083 let mut indent_size_occurrences = HashMap::default();
7084 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7085
7086 for row in start_row..=end_row {
7087 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7088 rows_by_indent_size.entry(indent).or_default().push(row);
7089 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7090 }
7091
7092 let indent_size = indent_size_occurrences
7093 .into_iter()
7094 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7095 .map(|(indent, _)| indent)
7096 .unwrap_or_default();
7097 let row = rows_by_indent_size[&indent_size][0];
7098 let indent_end = Point::new(row, indent_size.len);
7099
7100 (indent_size, indent_end)
7101 };
7102
7103 let mut line_prefix = indent_size.chars().collect::<String>();
7104
7105 if let Some(comment_prefix) =
7106 buffer
7107 .language_scope_at(selection.head())
7108 .and_then(|language| {
7109 language
7110 .line_comment_prefixes()
7111 .iter()
7112 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7113 .cloned()
7114 })
7115 {
7116 line_prefix.push_str(&comment_prefix);
7117 should_rewrap = true;
7118 }
7119
7120 if !should_rewrap {
7121 continue;
7122 }
7123
7124 if selection.is_empty() {
7125 'expand_upwards: while start_row > 0 {
7126 let prev_row = start_row - 1;
7127 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7128 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7129 {
7130 start_row = prev_row;
7131 } else {
7132 break 'expand_upwards;
7133 }
7134 }
7135
7136 'expand_downwards: while end_row < buffer.max_point().row {
7137 let next_row = end_row + 1;
7138 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7139 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7140 {
7141 end_row = next_row;
7142 } else {
7143 break 'expand_downwards;
7144 }
7145 }
7146 }
7147
7148 let start = Point::new(start_row, 0);
7149 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7150 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7151 let Some(lines_without_prefixes) = selection_text
7152 .lines()
7153 .map(|line| {
7154 line.strip_prefix(&line_prefix)
7155 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7156 .ok_or_else(|| {
7157 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7158 })
7159 })
7160 .collect::<Result<Vec<_>, _>>()
7161 .log_err()
7162 else {
7163 continue;
7164 };
7165
7166 let wrap_column = buffer
7167 .settings_at(Point::new(start_row, 0), cx)
7168 .preferred_line_length as usize;
7169 let wrapped_text = wrap_with_prefix(
7170 line_prefix,
7171 lines_without_prefixes.join(" "),
7172 wrap_column,
7173 tab_size,
7174 );
7175
7176 // TODO: should always use char-based diff while still supporting cursor behavior that
7177 // matches vim.
7178 let diff = match is_vim_mode {
7179 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7180 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7181 };
7182 let mut offset = start.to_offset(&buffer);
7183 let mut moved_since_edit = true;
7184
7185 for change in diff.iter_all_changes() {
7186 let value = change.value();
7187 match change.tag() {
7188 ChangeTag::Equal => {
7189 offset += value.len();
7190 moved_since_edit = true;
7191 }
7192 ChangeTag::Delete => {
7193 let start = buffer.anchor_after(offset);
7194 let end = buffer.anchor_before(offset + value.len());
7195
7196 if moved_since_edit {
7197 edits.push((start..end, String::new()));
7198 } else {
7199 edits.last_mut().unwrap().0.end = end;
7200 }
7201
7202 offset += value.len();
7203 moved_since_edit = false;
7204 }
7205 ChangeTag::Insert => {
7206 if moved_since_edit {
7207 let anchor = buffer.anchor_after(offset);
7208 edits.push((anchor..anchor, value.to_string()));
7209 } else {
7210 edits.last_mut().unwrap().1.push_str(value);
7211 }
7212
7213 moved_since_edit = false;
7214 }
7215 }
7216 }
7217
7218 rewrapped_row_ranges.push(start_row..=end_row);
7219 }
7220
7221 self.buffer
7222 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7223 }
7224
7225 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7226 let mut text = String::new();
7227 let buffer = self.buffer.read(cx).snapshot(cx);
7228 let mut selections = self.selections.all::<Point>(cx);
7229 let mut clipboard_selections = Vec::with_capacity(selections.len());
7230 {
7231 let max_point = buffer.max_point();
7232 let mut is_first = true;
7233 for selection in &mut selections {
7234 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7235 if is_entire_line {
7236 selection.start = Point::new(selection.start.row, 0);
7237 if !selection.is_empty() && selection.end.column == 0 {
7238 selection.end = cmp::min(max_point, selection.end);
7239 } else {
7240 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7241 }
7242 selection.goal = SelectionGoal::None;
7243 }
7244 if is_first {
7245 is_first = false;
7246 } else {
7247 text += "\n";
7248 }
7249 let mut len = 0;
7250 for chunk in buffer.text_for_range(selection.start..selection.end) {
7251 text.push_str(chunk);
7252 len += chunk.len();
7253 }
7254 clipboard_selections.push(ClipboardSelection {
7255 len,
7256 is_entire_line,
7257 first_line_indent: buffer
7258 .indent_size_for_line(MultiBufferRow(selection.start.row))
7259 .len,
7260 });
7261 }
7262 }
7263
7264 self.transact(window, cx, |this, window, cx| {
7265 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7266 s.select(selections);
7267 });
7268 this.insert("", window, cx);
7269 });
7270 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7271 }
7272
7273 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7274 let item = self.cut_common(window, cx);
7275 cx.write_to_clipboard(item);
7276 }
7277
7278 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7279 self.change_selections(None, window, cx, |s| {
7280 s.move_with(|snapshot, sel| {
7281 if sel.is_empty() {
7282 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7283 }
7284 });
7285 });
7286 let item = self.cut_common(window, cx);
7287 cx.set_global(KillRing(item))
7288 }
7289
7290 pub fn kill_ring_yank(
7291 &mut self,
7292 _: &KillRingYank,
7293 window: &mut Window,
7294 cx: &mut Context<Self>,
7295 ) {
7296 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7297 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7298 (kill_ring.text().to_string(), kill_ring.metadata_json())
7299 } else {
7300 return;
7301 }
7302 } else {
7303 return;
7304 };
7305 self.do_paste(&text, metadata, false, window, cx);
7306 }
7307
7308 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7309 let selections = self.selections.all::<Point>(cx);
7310 let buffer = self.buffer.read(cx).read(cx);
7311 let mut text = String::new();
7312
7313 let mut clipboard_selections = Vec::with_capacity(selections.len());
7314 {
7315 let max_point = buffer.max_point();
7316 let mut is_first = true;
7317 for selection in selections.iter() {
7318 let mut start = selection.start;
7319 let mut end = selection.end;
7320 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7321 if is_entire_line {
7322 start = Point::new(start.row, 0);
7323 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7324 }
7325 if is_first {
7326 is_first = false;
7327 } else {
7328 text += "\n";
7329 }
7330 let mut len = 0;
7331 for chunk in buffer.text_for_range(start..end) {
7332 text.push_str(chunk);
7333 len += chunk.len();
7334 }
7335 clipboard_selections.push(ClipboardSelection {
7336 len,
7337 is_entire_line,
7338 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7339 });
7340 }
7341 }
7342
7343 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7344 text,
7345 clipboard_selections,
7346 ));
7347 }
7348
7349 pub fn do_paste(
7350 &mut self,
7351 text: &String,
7352 clipboard_selections: Option<Vec<ClipboardSelection>>,
7353 handle_entire_lines: bool,
7354 window: &mut Window,
7355 cx: &mut Context<Self>,
7356 ) {
7357 if self.read_only(cx) {
7358 return;
7359 }
7360
7361 let clipboard_text = Cow::Borrowed(text);
7362
7363 self.transact(window, cx, |this, window, cx| {
7364 if let Some(mut clipboard_selections) = clipboard_selections {
7365 let old_selections = this.selections.all::<usize>(cx);
7366 let all_selections_were_entire_line =
7367 clipboard_selections.iter().all(|s| s.is_entire_line);
7368 let first_selection_indent_column =
7369 clipboard_selections.first().map(|s| s.first_line_indent);
7370 if clipboard_selections.len() != old_selections.len() {
7371 clipboard_selections.drain(..);
7372 }
7373 let cursor_offset = this.selections.last::<usize>(cx).head();
7374 let mut auto_indent_on_paste = true;
7375
7376 this.buffer.update(cx, |buffer, cx| {
7377 let snapshot = buffer.read(cx);
7378 auto_indent_on_paste =
7379 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7380
7381 let mut start_offset = 0;
7382 let mut edits = Vec::new();
7383 let mut original_indent_columns = Vec::new();
7384 for (ix, selection) in old_selections.iter().enumerate() {
7385 let to_insert;
7386 let entire_line;
7387 let original_indent_column;
7388 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7389 let end_offset = start_offset + clipboard_selection.len;
7390 to_insert = &clipboard_text[start_offset..end_offset];
7391 entire_line = clipboard_selection.is_entire_line;
7392 start_offset = end_offset + 1;
7393 original_indent_column = Some(clipboard_selection.first_line_indent);
7394 } else {
7395 to_insert = clipboard_text.as_str();
7396 entire_line = all_selections_were_entire_line;
7397 original_indent_column = first_selection_indent_column
7398 }
7399
7400 // If the corresponding selection was empty when this slice of the
7401 // clipboard text was written, then the entire line containing the
7402 // selection was copied. If this selection is also currently empty,
7403 // then paste the line before the current line of the buffer.
7404 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7405 let column = selection.start.to_point(&snapshot).column as usize;
7406 let line_start = selection.start - column;
7407 line_start..line_start
7408 } else {
7409 selection.range()
7410 };
7411
7412 edits.push((range, to_insert));
7413 original_indent_columns.extend(original_indent_column);
7414 }
7415 drop(snapshot);
7416
7417 buffer.edit(
7418 edits,
7419 if auto_indent_on_paste {
7420 Some(AutoindentMode::Block {
7421 original_indent_columns,
7422 })
7423 } else {
7424 None
7425 },
7426 cx,
7427 );
7428 });
7429
7430 let selections = this.selections.all::<usize>(cx);
7431 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7432 s.select(selections)
7433 });
7434 } else {
7435 this.insert(&clipboard_text, window, cx);
7436 }
7437 });
7438 }
7439
7440 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7441 if let Some(item) = cx.read_from_clipboard() {
7442 let entries = item.entries();
7443
7444 match entries.first() {
7445 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7446 // of all the pasted entries.
7447 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7448 .do_paste(
7449 clipboard_string.text(),
7450 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7451 true,
7452 window,
7453 cx,
7454 ),
7455 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
7456 }
7457 }
7458 }
7459
7460 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
7461 if self.read_only(cx) {
7462 return;
7463 }
7464
7465 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7466 if let Some((selections, _)) =
7467 self.selection_history.transaction(transaction_id).cloned()
7468 {
7469 self.change_selections(None, window, cx, |s| {
7470 s.select_anchors(selections.to_vec());
7471 });
7472 }
7473 self.request_autoscroll(Autoscroll::fit(), cx);
7474 self.unmark_text(window, cx);
7475 self.refresh_inline_completion(true, false, window, cx);
7476 cx.emit(EditorEvent::Edited { transaction_id });
7477 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7478 }
7479 }
7480
7481 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
7482 if self.read_only(cx) {
7483 return;
7484 }
7485
7486 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7487 if let Some((_, Some(selections))) =
7488 self.selection_history.transaction(transaction_id).cloned()
7489 {
7490 self.change_selections(None, window, cx, |s| {
7491 s.select_anchors(selections.to_vec());
7492 });
7493 }
7494 self.request_autoscroll(Autoscroll::fit(), cx);
7495 self.unmark_text(window, cx);
7496 self.refresh_inline_completion(true, false, window, cx);
7497 cx.emit(EditorEvent::Edited { transaction_id });
7498 }
7499 }
7500
7501 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
7502 self.buffer
7503 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7504 }
7505
7506 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
7507 self.buffer
7508 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7509 }
7510
7511 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
7512 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7513 let line_mode = s.line_mode;
7514 s.move_with(|map, selection| {
7515 let cursor = if selection.is_empty() && !line_mode {
7516 movement::left(map, selection.start)
7517 } else {
7518 selection.start
7519 };
7520 selection.collapse_to(cursor, SelectionGoal::None);
7521 });
7522 })
7523 }
7524
7525 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
7526 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7527 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7528 })
7529 }
7530
7531 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
7532 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7533 let line_mode = s.line_mode;
7534 s.move_with(|map, selection| {
7535 let cursor = if selection.is_empty() && !line_mode {
7536 movement::right(map, selection.end)
7537 } else {
7538 selection.end
7539 };
7540 selection.collapse_to(cursor, SelectionGoal::None)
7541 });
7542 })
7543 }
7544
7545 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
7546 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7547 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
7548 })
7549 }
7550
7551 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
7552 if self.take_rename(true, window, cx).is_some() {
7553 return;
7554 }
7555
7556 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7557 cx.propagate();
7558 return;
7559 }
7560
7561 let text_layout_details = &self.text_layout_details(window);
7562 let selection_count = self.selections.count();
7563 let first_selection = self.selections.first_anchor();
7564
7565 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7566 let line_mode = s.line_mode;
7567 s.move_with(|map, selection| {
7568 if !selection.is_empty() && !line_mode {
7569 selection.goal = SelectionGoal::None;
7570 }
7571 let (cursor, goal) = movement::up(
7572 map,
7573 selection.start,
7574 selection.goal,
7575 false,
7576 text_layout_details,
7577 );
7578 selection.collapse_to(cursor, goal);
7579 });
7580 });
7581
7582 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7583 {
7584 cx.propagate();
7585 }
7586 }
7587
7588 pub fn move_up_by_lines(
7589 &mut self,
7590 action: &MoveUpByLines,
7591 window: &mut Window,
7592 cx: &mut Context<Self>,
7593 ) {
7594 if self.take_rename(true, window, cx).is_some() {
7595 return;
7596 }
7597
7598 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7599 cx.propagate();
7600 return;
7601 }
7602
7603 let text_layout_details = &self.text_layout_details(window);
7604
7605 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7606 let line_mode = s.line_mode;
7607 s.move_with(|map, selection| {
7608 if !selection.is_empty() && !line_mode {
7609 selection.goal = SelectionGoal::None;
7610 }
7611 let (cursor, goal) = movement::up_by_rows(
7612 map,
7613 selection.start,
7614 action.lines,
7615 selection.goal,
7616 false,
7617 text_layout_details,
7618 );
7619 selection.collapse_to(cursor, goal);
7620 });
7621 })
7622 }
7623
7624 pub fn move_down_by_lines(
7625 &mut self,
7626 action: &MoveDownByLines,
7627 window: &mut Window,
7628 cx: &mut Context<Self>,
7629 ) {
7630 if self.take_rename(true, window, cx).is_some() {
7631 return;
7632 }
7633
7634 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7635 cx.propagate();
7636 return;
7637 }
7638
7639 let text_layout_details = &self.text_layout_details(window);
7640
7641 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7642 let line_mode = s.line_mode;
7643 s.move_with(|map, selection| {
7644 if !selection.is_empty() && !line_mode {
7645 selection.goal = SelectionGoal::None;
7646 }
7647 let (cursor, goal) = movement::down_by_rows(
7648 map,
7649 selection.start,
7650 action.lines,
7651 selection.goal,
7652 false,
7653 text_layout_details,
7654 );
7655 selection.collapse_to(cursor, goal);
7656 });
7657 })
7658 }
7659
7660 pub fn select_down_by_lines(
7661 &mut self,
7662 action: &SelectDownByLines,
7663 window: &mut Window,
7664 cx: &mut Context<Self>,
7665 ) {
7666 let text_layout_details = &self.text_layout_details(window);
7667 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7668 s.move_heads_with(|map, head, goal| {
7669 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
7670 })
7671 })
7672 }
7673
7674 pub fn select_up_by_lines(
7675 &mut self,
7676 action: &SelectUpByLines,
7677 window: &mut Window,
7678 cx: &mut Context<Self>,
7679 ) {
7680 let text_layout_details = &self.text_layout_details(window);
7681 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7682 s.move_heads_with(|map, head, goal| {
7683 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
7684 })
7685 })
7686 }
7687
7688 pub fn select_page_up(
7689 &mut self,
7690 _: &SelectPageUp,
7691 window: &mut Window,
7692 cx: &mut Context<Self>,
7693 ) {
7694 let Some(row_count) = self.visible_row_count() else {
7695 return;
7696 };
7697
7698 let text_layout_details = &self.text_layout_details(window);
7699
7700 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7701 s.move_heads_with(|map, head, goal| {
7702 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
7703 })
7704 })
7705 }
7706
7707 pub fn move_page_up(
7708 &mut self,
7709 action: &MovePageUp,
7710 window: &mut Window,
7711 cx: &mut Context<Self>,
7712 ) {
7713 if self.take_rename(true, window, cx).is_some() {
7714 return;
7715 }
7716
7717 if self
7718 .context_menu
7719 .borrow_mut()
7720 .as_mut()
7721 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
7722 .unwrap_or(false)
7723 {
7724 return;
7725 }
7726
7727 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7728 cx.propagate();
7729 return;
7730 }
7731
7732 let Some(row_count) = self.visible_row_count() else {
7733 return;
7734 };
7735
7736 let autoscroll = if action.center_cursor {
7737 Autoscroll::center()
7738 } else {
7739 Autoscroll::fit()
7740 };
7741
7742 let text_layout_details = &self.text_layout_details(window);
7743
7744 self.change_selections(Some(autoscroll), window, cx, |s| {
7745 let line_mode = s.line_mode;
7746 s.move_with(|map, selection| {
7747 if !selection.is_empty() && !line_mode {
7748 selection.goal = SelectionGoal::None;
7749 }
7750 let (cursor, goal) = movement::up_by_rows(
7751 map,
7752 selection.end,
7753 row_count,
7754 selection.goal,
7755 false,
7756 text_layout_details,
7757 );
7758 selection.collapse_to(cursor, goal);
7759 });
7760 });
7761 }
7762
7763 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
7764 let text_layout_details = &self.text_layout_details(window);
7765 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7766 s.move_heads_with(|map, head, goal| {
7767 movement::up(map, head, goal, false, text_layout_details)
7768 })
7769 })
7770 }
7771
7772 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
7773 self.take_rename(true, window, cx);
7774
7775 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7776 cx.propagate();
7777 return;
7778 }
7779
7780 let text_layout_details = &self.text_layout_details(window);
7781 let selection_count = self.selections.count();
7782 let first_selection = self.selections.first_anchor();
7783
7784 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7785 let line_mode = s.line_mode;
7786 s.move_with(|map, selection| {
7787 if !selection.is_empty() && !line_mode {
7788 selection.goal = SelectionGoal::None;
7789 }
7790 let (cursor, goal) = movement::down(
7791 map,
7792 selection.end,
7793 selection.goal,
7794 false,
7795 text_layout_details,
7796 );
7797 selection.collapse_to(cursor, goal);
7798 });
7799 });
7800
7801 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7802 {
7803 cx.propagate();
7804 }
7805 }
7806
7807 pub fn select_page_down(
7808 &mut self,
7809 _: &SelectPageDown,
7810 window: &mut Window,
7811 cx: &mut Context<Self>,
7812 ) {
7813 let Some(row_count) = self.visible_row_count() else {
7814 return;
7815 };
7816
7817 let text_layout_details = &self.text_layout_details(window);
7818
7819 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7820 s.move_heads_with(|map, head, goal| {
7821 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
7822 })
7823 })
7824 }
7825
7826 pub fn move_page_down(
7827 &mut self,
7828 action: &MovePageDown,
7829 window: &mut Window,
7830 cx: &mut Context<Self>,
7831 ) {
7832 if self.take_rename(true, window, cx).is_some() {
7833 return;
7834 }
7835
7836 if self
7837 .context_menu
7838 .borrow_mut()
7839 .as_mut()
7840 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
7841 .unwrap_or(false)
7842 {
7843 return;
7844 }
7845
7846 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7847 cx.propagate();
7848 return;
7849 }
7850
7851 let Some(row_count) = self.visible_row_count() else {
7852 return;
7853 };
7854
7855 let autoscroll = if action.center_cursor {
7856 Autoscroll::center()
7857 } else {
7858 Autoscroll::fit()
7859 };
7860
7861 let text_layout_details = &self.text_layout_details(window);
7862 self.change_selections(Some(autoscroll), window, cx, |s| {
7863 let line_mode = s.line_mode;
7864 s.move_with(|map, selection| {
7865 if !selection.is_empty() && !line_mode {
7866 selection.goal = SelectionGoal::None;
7867 }
7868 let (cursor, goal) = movement::down_by_rows(
7869 map,
7870 selection.end,
7871 row_count,
7872 selection.goal,
7873 false,
7874 text_layout_details,
7875 );
7876 selection.collapse_to(cursor, goal);
7877 });
7878 });
7879 }
7880
7881 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
7882 let text_layout_details = &self.text_layout_details(window);
7883 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7884 s.move_heads_with(|map, head, goal| {
7885 movement::down(map, head, goal, false, text_layout_details)
7886 })
7887 });
7888 }
7889
7890 pub fn context_menu_first(
7891 &mut self,
7892 _: &ContextMenuFirst,
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_first(self.completion_provider.as_deref(), cx);
7898 }
7899 }
7900
7901 pub fn context_menu_prev(
7902 &mut self,
7903 _: &ContextMenuPrev,
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_prev(self.completion_provider.as_deref(), cx);
7909 }
7910 }
7911
7912 pub fn context_menu_next(
7913 &mut self,
7914 _: &ContextMenuNext,
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_next(self.completion_provider.as_deref(), cx);
7920 }
7921 }
7922
7923 pub fn context_menu_last(
7924 &mut self,
7925 _: &ContextMenuLast,
7926 _window: &mut Window,
7927 cx: &mut Context<Self>,
7928 ) {
7929 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7930 context_menu.select_last(self.completion_provider.as_deref(), cx);
7931 }
7932 }
7933
7934 pub fn move_to_previous_word_start(
7935 &mut self,
7936 _: &MoveToPreviousWordStart,
7937 window: &mut Window,
7938 cx: &mut Context<Self>,
7939 ) {
7940 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7941 s.move_cursors_with(|map, head, _| {
7942 (
7943 movement::previous_word_start(map, head),
7944 SelectionGoal::None,
7945 )
7946 });
7947 })
7948 }
7949
7950 pub fn move_to_previous_subword_start(
7951 &mut self,
7952 _: &MoveToPreviousSubwordStart,
7953 window: &mut Window,
7954 cx: &mut Context<Self>,
7955 ) {
7956 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7957 s.move_cursors_with(|map, head, _| {
7958 (
7959 movement::previous_subword_start(map, head),
7960 SelectionGoal::None,
7961 )
7962 });
7963 })
7964 }
7965
7966 pub fn select_to_previous_word_start(
7967 &mut self,
7968 _: &SelectToPreviousWordStart,
7969 window: &mut Window,
7970 cx: &mut Context<Self>,
7971 ) {
7972 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7973 s.move_heads_with(|map, head, _| {
7974 (
7975 movement::previous_word_start(map, head),
7976 SelectionGoal::None,
7977 )
7978 });
7979 })
7980 }
7981
7982 pub fn select_to_previous_subword_start(
7983 &mut self,
7984 _: &SelectToPreviousSubwordStart,
7985 window: &mut Window,
7986 cx: &mut Context<Self>,
7987 ) {
7988 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7989 s.move_heads_with(|map, head, _| {
7990 (
7991 movement::previous_subword_start(map, head),
7992 SelectionGoal::None,
7993 )
7994 });
7995 })
7996 }
7997
7998 pub fn delete_to_previous_word_start(
7999 &mut self,
8000 action: &DeleteToPreviousWordStart,
8001 window: &mut Window,
8002 cx: &mut Context<Self>,
8003 ) {
8004 self.transact(window, cx, |this, window, cx| {
8005 this.select_autoclose_pair(window, cx);
8006 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8007 let line_mode = s.line_mode;
8008 s.move_with(|map, selection| {
8009 if selection.is_empty() && !line_mode {
8010 let cursor = if action.ignore_newlines {
8011 movement::previous_word_start(map, selection.head())
8012 } else {
8013 movement::previous_word_start_or_newline(map, selection.head())
8014 };
8015 selection.set_head(cursor, SelectionGoal::None);
8016 }
8017 });
8018 });
8019 this.insert("", window, cx);
8020 });
8021 }
8022
8023 pub fn delete_to_previous_subword_start(
8024 &mut self,
8025 _: &DeleteToPreviousSubwordStart,
8026 window: &mut Window,
8027 cx: &mut Context<Self>,
8028 ) {
8029 self.transact(window, cx, |this, window, cx| {
8030 this.select_autoclose_pair(window, cx);
8031 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8032 let line_mode = s.line_mode;
8033 s.move_with(|map, selection| {
8034 if selection.is_empty() && !line_mode {
8035 let cursor = movement::previous_subword_start(map, selection.head());
8036 selection.set_head(cursor, SelectionGoal::None);
8037 }
8038 });
8039 });
8040 this.insert("", window, cx);
8041 });
8042 }
8043
8044 pub fn move_to_next_word_end(
8045 &mut self,
8046 _: &MoveToNextWordEnd,
8047 window: &mut Window,
8048 cx: &mut Context<Self>,
8049 ) {
8050 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8051 s.move_cursors_with(|map, head, _| {
8052 (movement::next_word_end(map, head), SelectionGoal::None)
8053 });
8054 })
8055 }
8056
8057 pub fn move_to_next_subword_end(
8058 &mut self,
8059 _: &MoveToNextSubwordEnd,
8060 window: &mut Window,
8061 cx: &mut Context<Self>,
8062 ) {
8063 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8064 s.move_cursors_with(|map, head, _| {
8065 (movement::next_subword_end(map, head), SelectionGoal::None)
8066 });
8067 })
8068 }
8069
8070 pub fn select_to_next_word_end(
8071 &mut self,
8072 _: &SelectToNextWordEnd,
8073 window: &mut Window,
8074 cx: &mut Context<Self>,
8075 ) {
8076 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8077 s.move_heads_with(|map, head, _| {
8078 (movement::next_word_end(map, head), SelectionGoal::None)
8079 });
8080 })
8081 }
8082
8083 pub fn select_to_next_subword_end(
8084 &mut self,
8085 _: &SelectToNextSubwordEnd,
8086 window: &mut Window,
8087 cx: &mut Context<Self>,
8088 ) {
8089 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8090 s.move_heads_with(|map, head, _| {
8091 (movement::next_subword_end(map, head), SelectionGoal::None)
8092 });
8093 })
8094 }
8095
8096 pub fn delete_to_next_word_end(
8097 &mut self,
8098 action: &DeleteToNextWordEnd,
8099 window: &mut Window,
8100 cx: &mut Context<Self>,
8101 ) {
8102 self.transact(window, cx, |this, window, cx| {
8103 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8104 let line_mode = s.line_mode;
8105 s.move_with(|map, selection| {
8106 if selection.is_empty() && !line_mode {
8107 let cursor = if action.ignore_newlines {
8108 movement::next_word_end(map, selection.head())
8109 } else {
8110 movement::next_word_end_or_newline(map, selection.head())
8111 };
8112 selection.set_head(cursor, SelectionGoal::None);
8113 }
8114 });
8115 });
8116 this.insert("", window, cx);
8117 });
8118 }
8119
8120 pub fn delete_to_next_subword_end(
8121 &mut self,
8122 _: &DeleteToNextSubwordEnd,
8123 window: &mut Window,
8124 cx: &mut Context<Self>,
8125 ) {
8126 self.transact(window, cx, |this, window, cx| {
8127 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8128 s.move_with(|map, selection| {
8129 if selection.is_empty() {
8130 let cursor = movement::next_subword_end(map, selection.head());
8131 selection.set_head(cursor, SelectionGoal::None);
8132 }
8133 });
8134 });
8135 this.insert("", window, cx);
8136 });
8137 }
8138
8139 pub fn move_to_beginning_of_line(
8140 &mut self,
8141 action: &MoveToBeginningOfLine,
8142 window: &mut Window,
8143 cx: &mut Context<Self>,
8144 ) {
8145 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8146 s.move_cursors_with(|map, head, _| {
8147 (
8148 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8149 SelectionGoal::None,
8150 )
8151 });
8152 })
8153 }
8154
8155 pub fn select_to_beginning_of_line(
8156 &mut self,
8157 action: &SelectToBeginningOfLine,
8158 window: &mut Window,
8159 cx: &mut Context<Self>,
8160 ) {
8161 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8162 s.move_heads_with(|map, head, _| {
8163 (
8164 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8165 SelectionGoal::None,
8166 )
8167 });
8168 });
8169 }
8170
8171 pub fn delete_to_beginning_of_line(
8172 &mut self,
8173 _: &DeleteToBeginningOfLine,
8174 window: &mut Window,
8175 cx: &mut Context<Self>,
8176 ) {
8177 self.transact(window, cx, |this, window, cx| {
8178 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8179 s.move_with(|_, selection| {
8180 selection.reversed = true;
8181 });
8182 });
8183
8184 this.select_to_beginning_of_line(
8185 &SelectToBeginningOfLine {
8186 stop_at_soft_wraps: false,
8187 },
8188 window,
8189 cx,
8190 );
8191 this.backspace(&Backspace, window, cx);
8192 });
8193 }
8194
8195 pub fn move_to_end_of_line(
8196 &mut self,
8197 action: &MoveToEndOfLine,
8198 window: &mut Window,
8199 cx: &mut Context<Self>,
8200 ) {
8201 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8202 s.move_cursors_with(|map, head, _| {
8203 (
8204 movement::line_end(map, head, action.stop_at_soft_wraps),
8205 SelectionGoal::None,
8206 )
8207 });
8208 })
8209 }
8210
8211 pub fn select_to_end_of_line(
8212 &mut self,
8213 action: &SelectToEndOfLine,
8214 window: &mut Window,
8215 cx: &mut Context<Self>,
8216 ) {
8217 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8218 s.move_heads_with(|map, head, _| {
8219 (
8220 movement::line_end(map, head, action.stop_at_soft_wraps),
8221 SelectionGoal::None,
8222 )
8223 });
8224 })
8225 }
8226
8227 pub fn delete_to_end_of_line(
8228 &mut self,
8229 _: &DeleteToEndOfLine,
8230 window: &mut Window,
8231 cx: &mut Context<Self>,
8232 ) {
8233 self.transact(window, cx, |this, window, cx| {
8234 this.select_to_end_of_line(
8235 &SelectToEndOfLine {
8236 stop_at_soft_wraps: false,
8237 },
8238 window,
8239 cx,
8240 );
8241 this.delete(&Delete, window, cx);
8242 });
8243 }
8244
8245 pub fn cut_to_end_of_line(
8246 &mut self,
8247 _: &CutToEndOfLine,
8248 window: &mut Window,
8249 cx: &mut Context<Self>,
8250 ) {
8251 self.transact(window, cx, |this, window, cx| {
8252 this.select_to_end_of_line(
8253 &SelectToEndOfLine {
8254 stop_at_soft_wraps: false,
8255 },
8256 window,
8257 cx,
8258 );
8259 this.cut(&Cut, window, cx);
8260 });
8261 }
8262
8263 pub fn move_to_start_of_paragraph(
8264 &mut self,
8265 _: &MoveToStartOfParagraph,
8266 window: &mut Window,
8267 cx: &mut Context<Self>,
8268 ) {
8269 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8270 cx.propagate();
8271 return;
8272 }
8273
8274 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8275 s.move_with(|map, selection| {
8276 selection.collapse_to(
8277 movement::start_of_paragraph(map, selection.head(), 1),
8278 SelectionGoal::None,
8279 )
8280 });
8281 })
8282 }
8283
8284 pub fn move_to_end_of_paragraph(
8285 &mut self,
8286 _: &MoveToEndOfParagraph,
8287 window: &mut Window,
8288 cx: &mut Context<Self>,
8289 ) {
8290 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8291 cx.propagate();
8292 return;
8293 }
8294
8295 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8296 s.move_with(|map, selection| {
8297 selection.collapse_to(
8298 movement::end_of_paragraph(map, selection.head(), 1),
8299 SelectionGoal::None,
8300 )
8301 });
8302 })
8303 }
8304
8305 pub fn select_to_start_of_paragraph(
8306 &mut self,
8307 _: &SelectToStartOfParagraph,
8308 window: &mut Window,
8309 cx: &mut Context<Self>,
8310 ) {
8311 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8312 cx.propagate();
8313 return;
8314 }
8315
8316 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8317 s.move_heads_with(|map, head, _| {
8318 (
8319 movement::start_of_paragraph(map, head, 1),
8320 SelectionGoal::None,
8321 )
8322 });
8323 })
8324 }
8325
8326 pub fn select_to_end_of_paragraph(
8327 &mut self,
8328 _: &SelectToEndOfParagraph,
8329 window: &mut Window,
8330 cx: &mut Context<Self>,
8331 ) {
8332 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8333 cx.propagate();
8334 return;
8335 }
8336
8337 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8338 s.move_heads_with(|map, head, _| {
8339 (
8340 movement::end_of_paragraph(map, head, 1),
8341 SelectionGoal::None,
8342 )
8343 });
8344 })
8345 }
8346
8347 pub fn move_to_beginning(
8348 &mut self,
8349 _: &MoveToBeginning,
8350 window: &mut Window,
8351 cx: &mut Context<Self>,
8352 ) {
8353 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8354 cx.propagate();
8355 return;
8356 }
8357
8358 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8359 s.select_ranges(vec![0..0]);
8360 });
8361 }
8362
8363 pub fn select_to_beginning(
8364 &mut self,
8365 _: &SelectToBeginning,
8366 window: &mut Window,
8367 cx: &mut Context<Self>,
8368 ) {
8369 let mut selection = self.selections.last::<Point>(cx);
8370 selection.set_head(Point::zero(), SelectionGoal::None);
8371
8372 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8373 s.select(vec![selection]);
8374 });
8375 }
8376
8377 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8378 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8379 cx.propagate();
8380 return;
8381 }
8382
8383 let cursor = self.buffer.read(cx).read(cx).len();
8384 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8385 s.select_ranges(vec![cursor..cursor])
8386 });
8387 }
8388
8389 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8390 self.nav_history = nav_history;
8391 }
8392
8393 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8394 self.nav_history.as_ref()
8395 }
8396
8397 fn push_to_nav_history(
8398 &mut self,
8399 cursor_anchor: Anchor,
8400 new_position: Option<Point>,
8401 cx: &mut Context<Self>,
8402 ) {
8403 if let Some(nav_history) = self.nav_history.as_mut() {
8404 let buffer = self.buffer.read(cx).read(cx);
8405 let cursor_position = cursor_anchor.to_point(&buffer);
8406 let scroll_state = self.scroll_manager.anchor();
8407 let scroll_top_row = scroll_state.top_row(&buffer);
8408 drop(buffer);
8409
8410 if let Some(new_position) = new_position {
8411 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8412 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8413 return;
8414 }
8415 }
8416
8417 nav_history.push(
8418 Some(NavigationData {
8419 cursor_anchor,
8420 cursor_position,
8421 scroll_anchor: scroll_state,
8422 scroll_top_row,
8423 }),
8424 cx,
8425 );
8426 }
8427 }
8428
8429 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8430 let buffer = self.buffer.read(cx).snapshot(cx);
8431 let mut selection = self.selections.first::<usize>(cx);
8432 selection.set_head(buffer.len(), SelectionGoal::None);
8433 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8434 s.select(vec![selection]);
8435 });
8436 }
8437
8438 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8439 let end = self.buffer.read(cx).read(cx).len();
8440 self.change_selections(None, window, cx, |s| {
8441 s.select_ranges(vec![0..end]);
8442 });
8443 }
8444
8445 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8446 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8447 let mut selections = self.selections.all::<Point>(cx);
8448 let max_point = display_map.buffer_snapshot.max_point();
8449 for selection in &mut selections {
8450 let rows = selection.spanned_rows(true, &display_map);
8451 selection.start = Point::new(rows.start.0, 0);
8452 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
8453 selection.reversed = false;
8454 }
8455 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8456 s.select(selections);
8457 });
8458 }
8459
8460 pub fn split_selection_into_lines(
8461 &mut self,
8462 _: &SplitSelectionIntoLines,
8463 window: &mut Window,
8464 cx: &mut Context<Self>,
8465 ) {
8466 let mut to_unfold = Vec::new();
8467 let mut new_selection_ranges = Vec::new();
8468 {
8469 let selections = self.selections.all::<Point>(cx);
8470 let buffer = self.buffer.read(cx).read(cx);
8471 for selection in selections {
8472 for row in selection.start.row..selection.end.row {
8473 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
8474 new_selection_ranges.push(cursor..cursor);
8475 }
8476 new_selection_ranges.push(selection.end..selection.end);
8477 to_unfold.push(selection.start..selection.end);
8478 }
8479 }
8480 self.unfold_ranges(&to_unfold, true, true, cx);
8481 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8482 s.select_ranges(new_selection_ranges);
8483 });
8484 }
8485
8486 pub fn add_selection_above(
8487 &mut self,
8488 _: &AddSelectionAbove,
8489 window: &mut Window,
8490 cx: &mut Context<Self>,
8491 ) {
8492 self.add_selection(true, window, cx);
8493 }
8494
8495 pub fn add_selection_below(
8496 &mut self,
8497 _: &AddSelectionBelow,
8498 window: &mut Window,
8499 cx: &mut Context<Self>,
8500 ) {
8501 self.add_selection(false, window, cx);
8502 }
8503
8504 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
8505 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8506 let mut selections = self.selections.all::<Point>(cx);
8507 let text_layout_details = self.text_layout_details(window);
8508 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
8509 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
8510 let range = oldest_selection.display_range(&display_map).sorted();
8511
8512 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
8513 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
8514 let positions = start_x.min(end_x)..start_x.max(end_x);
8515
8516 selections.clear();
8517 let mut stack = Vec::new();
8518 for row in range.start.row().0..=range.end.row().0 {
8519 if let Some(selection) = self.selections.build_columnar_selection(
8520 &display_map,
8521 DisplayRow(row),
8522 &positions,
8523 oldest_selection.reversed,
8524 &text_layout_details,
8525 ) {
8526 stack.push(selection.id);
8527 selections.push(selection);
8528 }
8529 }
8530
8531 if above {
8532 stack.reverse();
8533 }
8534
8535 AddSelectionsState { above, stack }
8536 });
8537
8538 let last_added_selection = *state.stack.last().unwrap();
8539 let mut new_selections = Vec::new();
8540 if above == state.above {
8541 let end_row = if above {
8542 DisplayRow(0)
8543 } else {
8544 display_map.max_point().row()
8545 };
8546
8547 'outer: for selection in selections {
8548 if selection.id == last_added_selection {
8549 let range = selection.display_range(&display_map).sorted();
8550 debug_assert_eq!(range.start.row(), range.end.row());
8551 let mut row = range.start.row();
8552 let positions =
8553 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
8554 px(start)..px(end)
8555 } else {
8556 let start_x =
8557 display_map.x_for_display_point(range.start, &text_layout_details);
8558 let end_x =
8559 display_map.x_for_display_point(range.end, &text_layout_details);
8560 start_x.min(end_x)..start_x.max(end_x)
8561 };
8562
8563 while row != end_row {
8564 if above {
8565 row.0 -= 1;
8566 } else {
8567 row.0 += 1;
8568 }
8569
8570 if let Some(new_selection) = self.selections.build_columnar_selection(
8571 &display_map,
8572 row,
8573 &positions,
8574 selection.reversed,
8575 &text_layout_details,
8576 ) {
8577 state.stack.push(new_selection.id);
8578 if above {
8579 new_selections.push(new_selection);
8580 new_selections.push(selection);
8581 } else {
8582 new_selections.push(selection);
8583 new_selections.push(new_selection);
8584 }
8585
8586 continue 'outer;
8587 }
8588 }
8589 }
8590
8591 new_selections.push(selection);
8592 }
8593 } else {
8594 new_selections = selections;
8595 new_selections.retain(|s| s.id != last_added_selection);
8596 state.stack.pop();
8597 }
8598
8599 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8600 s.select(new_selections);
8601 });
8602 if state.stack.len() > 1 {
8603 self.add_selections_state = Some(state);
8604 }
8605 }
8606
8607 pub fn select_next_match_internal(
8608 &mut self,
8609 display_map: &DisplaySnapshot,
8610 replace_newest: bool,
8611 autoscroll: Option<Autoscroll>,
8612 window: &mut Window,
8613 cx: &mut Context<Self>,
8614 ) -> Result<()> {
8615 fn select_next_match_ranges(
8616 this: &mut Editor,
8617 range: Range<usize>,
8618 replace_newest: bool,
8619 auto_scroll: Option<Autoscroll>,
8620 window: &mut Window,
8621 cx: &mut Context<Editor>,
8622 ) {
8623 this.unfold_ranges(&[range.clone()], false, true, cx);
8624 this.change_selections(auto_scroll, window, cx, |s| {
8625 if replace_newest {
8626 s.delete(s.newest_anchor().id);
8627 }
8628 s.insert_range(range.clone());
8629 });
8630 }
8631
8632 let buffer = &display_map.buffer_snapshot;
8633 let mut selections = self.selections.all::<usize>(cx);
8634 if let Some(mut select_next_state) = self.select_next_state.take() {
8635 let query = &select_next_state.query;
8636 if !select_next_state.done {
8637 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8638 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8639 let mut next_selected_range = None;
8640
8641 let bytes_after_last_selection =
8642 buffer.bytes_in_range(last_selection.end..buffer.len());
8643 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
8644 let query_matches = query
8645 .stream_find_iter(bytes_after_last_selection)
8646 .map(|result| (last_selection.end, result))
8647 .chain(
8648 query
8649 .stream_find_iter(bytes_before_first_selection)
8650 .map(|result| (0, result)),
8651 );
8652
8653 for (start_offset, query_match) in query_matches {
8654 let query_match = query_match.unwrap(); // can only fail due to I/O
8655 let offset_range =
8656 start_offset + query_match.start()..start_offset + query_match.end();
8657 let display_range = offset_range.start.to_display_point(display_map)
8658 ..offset_range.end.to_display_point(display_map);
8659
8660 if !select_next_state.wordwise
8661 || (!movement::is_inside_word(display_map, display_range.start)
8662 && !movement::is_inside_word(display_map, display_range.end))
8663 {
8664 // TODO: This is n^2, because we might check all the selections
8665 if !selections
8666 .iter()
8667 .any(|selection| selection.range().overlaps(&offset_range))
8668 {
8669 next_selected_range = Some(offset_range);
8670 break;
8671 }
8672 }
8673 }
8674
8675 if let Some(next_selected_range) = next_selected_range {
8676 select_next_match_ranges(
8677 self,
8678 next_selected_range,
8679 replace_newest,
8680 autoscroll,
8681 window,
8682 cx,
8683 );
8684 } else {
8685 select_next_state.done = true;
8686 }
8687 }
8688
8689 self.select_next_state = Some(select_next_state);
8690 } else {
8691 let mut only_carets = true;
8692 let mut same_text_selected = true;
8693 let mut selected_text = None;
8694
8695 let mut selections_iter = selections.iter().peekable();
8696 while let Some(selection) = selections_iter.next() {
8697 if selection.start != selection.end {
8698 only_carets = false;
8699 }
8700
8701 if same_text_selected {
8702 if selected_text.is_none() {
8703 selected_text =
8704 Some(buffer.text_for_range(selection.range()).collect::<String>());
8705 }
8706
8707 if let Some(next_selection) = selections_iter.peek() {
8708 if next_selection.range().len() == selection.range().len() {
8709 let next_selected_text = buffer
8710 .text_for_range(next_selection.range())
8711 .collect::<String>();
8712 if Some(next_selected_text) != selected_text {
8713 same_text_selected = false;
8714 selected_text = None;
8715 }
8716 } else {
8717 same_text_selected = false;
8718 selected_text = None;
8719 }
8720 }
8721 }
8722 }
8723
8724 if only_carets {
8725 for selection in &mut selections {
8726 let word_range = movement::surrounding_word(
8727 display_map,
8728 selection.start.to_display_point(display_map),
8729 );
8730 selection.start = word_range.start.to_offset(display_map, Bias::Left);
8731 selection.end = word_range.end.to_offset(display_map, Bias::Left);
8732 selection.goal = SelectionGoal::None;
8733 selection.reversed = false;
8734 select_next_match_ranges(
8735 self,
8736 selection.start..selection.end,
8737 replace_newest,
8738 autoscroll,
8739 window,
8740 cx,
8741 );
8742 }
8743
8744 if selections.len() == 1 {
8745 let selection = selections
8746 .last()
8747 .expect("ensured that there's only one selection");
8748 let query = buffer
8749 .text_for_range(selection.start..selection.end)
8750 .collect::<String>();
8751 let is_empty = query.is_empty();
8752 let select_state = SelectNextState {
8753 query: AhoCorasick::new(&[query])?,
8754 wordwise: true,
8755 done: is_empty,
8756 };
8757 self.select_next_state = Some(select_state);
8758 } else {
8759 self.select_next_state = None;
8760 }
8761 } else if let Some(selected_text) = selected_text {
8762 self.select_next_state = Some(SelectNextState {
8763 query: AhoCorasick::new(&[selected_text])?,
8764 wordwise: false,
8765 done: false,
8766 });
8767 self.select_next_match_internal(
8768 display_map,
8769 replace_newest,
8770 autoscroll,
8771 window,
8772 cx,
8773 )?;
8774 }
8775 }
8776 Ok(())
8777 }
8778
8779 pub fn select_all_matches(
8780 &mut self,
8781 _action: &SelectAllMatches,
8782 window: &mut Window,
8783 cx: &mut Context<Self>,
8784 ) -> Result<()> {
8785 self.push_to_selection_history();
8786 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8787
8788 self.select_next_match_internal(&display_map, false, None, window, cx)?;
8789 let Some(select_next_state) = self.select_next_state.as_mut() else {
8790 return Ok(());
8791 };
8792 if select_next_state.done {
8793 return Ok(());
8794 }
8795
8796 let mut new_selections = self.selections.all::<usize>(cx);
8797
8798 let buffer = &display_map.buffer_snapshot;
8799 let query_matches = select_next_state
8800 .query
8801 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
8802
8803 for query_match in query_matches {
8804 let query_match = query_match.unwrap(); // can only fail due to I/O
8805 let offset_range = query_match.start()..query_match.end();
8806 let display_range = offset_range.start.to_display_point(&display_map)
8807 ..offset_range.end.to_display_point(&display_map);
8808
8809 if !select_next_state.wordwise
8810 || (!movement::is_inside_word(&display_map, display_range.start)
8811 && !movement::is_inside_word(&display_map, display_range.end))
8812 {
8813 self.selections.change_with(cx, |selections| {
8814 new_selections.push(Selection {
8815 id: selections.new_selection_id(),
8816 start: offset_range.start,
8817 end: offset_range.end,
8818 reversed: false,
8819 goal: SelectionGoal::None,
8820 });
8821 });
8822 }
8823 }
8824
8825 new_selections.sort_by_key(|selection| selection.start);
8826 let mut ix = 0;
8827 while ix + 1 < new_selections.len() {
8828 let current_selection = &new_selections[ix];
8829 let next_selection = &new_selections[ix + 1];
8830 if current_selection.range().overlaps(&next_selection.range()) {
8831 if current_selection.id < next_selection.id {
8832 new_selections.remove(ix + 1);
8833 } else {
8834 new_selections.remove(ix);
8835 }
8836 } else {
8837 ix += 1;
8838 }
8839 }
8840
8841 let reversed = self.selections.oldest::<usize>(cx).reversed;
8842
8843 for selection in new_selections.iter_mut() {
8844 selection.reversed = reversed;
8845 }
8846
8847 select_next_state.done = true;
8848 self.unfold_ranges(
8849 &new_selections
8850 .iter()
8851 .map(|selection| selection.range())
8852 .collect::<Vec<_>>(),
8853 false,
8854 false,
8855 cx,
8856 );
8857 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
8858 selections.select(new_selections)
8859 });
8860
8861 Ok(())
8862 }
8863
8864 pub fn select_next(
8865 &mut self,
8866 action: &SelectNext,
8867 window: &mut Window,
8868 cx: &mut Context<Self>,
8869 ) -> Result<()> {
8870 self.push_to_selection_history();
8871 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8872 self.select_next_match_internal(
8873 &display_map,
8874 action.replace_newest,
8875 Some(Autoscroll::newest()),
8876 window,
8877 cx,
8878 )?;
8879 Ok(())
8880 }
8881
8882 pub fn select_previous(
8883 &mut self,
8884 action: &SelectPrevious,
8885 window: &mut Window,
8886 cx: &mut Context<Self>,
8887 ) -> Result<()> {
8888 self.push_to_selection_history();
8889 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8890 let buffer = &display_map.buffer_snapshot;
8891 let mut selections = self.selections.all::<usize>(cx);
8892 if let Some(mut select_prev_state) = self.select_prev_state.take() {
8893 let query = &select_prev_state.query;
8894 if !select_prev_state.done {
8895 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8896 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8897 let mut next_selected_range = None;
8898 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
8899 let bytes_before_last_selection =
8900 buffer.reversed_bytes_in_range(0..last_selection.start);
8901 let bytes_after_first_selection =
8902 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
8903 let query_matches = query
8904 .stream_find_iter(bytes_before_last_selection)
8905 .map(|result| (last_selection.start, result))
8906 .chain(
8907 query
8908 .stream_find_iter(bytes_after_first_selection)
8909 .map(|result| (buffer.len(), result)),
8910 );
8911 for (end_offset, query_match) in query_matches {
8912 let query_match = query_match.unwrap(); // can only fail due to I/O
8913 let offset_range =
8914 end_offset - query_match.end()..end_offset - query_match.start();
8915 let display_range = offset_range.start.to_display_point(&display_map)
8916 ..offset_range.end.to_display_point(&display_map);
8917
8918 if !select_prev_state.wordwise
8919 || (!movement::is_inside_word(&display_map, display_range.start)
8920 && !movement::is_inside_word(&display_map, display_range.end))
8921 {
8922 next_selected_range = Some(offset_range);
8923 break;
8924 }
8925 }
8926
8927 if let Some(next_selected_range) = next_selected_range {
8928 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
8929 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8930 if action.replace_newest {
8931 s.delete(s.newest_anchor().id);
8932 }
8933 s.insert_range(next_selected_range);
8934 });
8935 } else {
8936 select_prev_state.done = true;
8937 }
8938 }
8939
8940 self.select_prev_state = Some(select_prev_state);
8941 } else {
8942 let mut only_carets = true;
8943 let mut same_text_selected = true;
8944 let mut selected_text = None;
8945
8946 let mut selections_iter = selections.iter().peekable();
8947 while let Some(selection) = selections_iter.next() {
8948 if selection.start != selection.end {
8949 only_carets = false;
8950 }
8951
8952 if same_text_selected {
8953 if selected_text.is_none() {
8954 selected_text =
8955 Some(buffer.text_for_range(selection.range()).collect::<String>());
8956 }
8957
8958 if let Some(next_selection) = selections_iter.peek() {
8959 if next_selection.range().len() == selection.range().len() {
8960 let next_selected_text = buffer
8961 .text_for_range(next_selection.range())
8962 .collect::<String>();
8963 if Some(next_selected_text) != selected_text {
8964 same_text_selected = false;
8965 selected_text = None;
8966 }
8967 } else {
8968 same_text_selected = false;
8969 selected_text = None;
8970 }
8971 }
8972 }
8973 }
8974
8975 if only_carets {
8976 for selection in &mut selections {
8977 let word_range = movement::surrounding_word(
8978 &display_map,
8979 selection.start.to_display_point(&display_map),
8980 );
8981 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
8982 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
8983 selection.goal = SelectionGoal::None;
8984 selection.reversed = false;
8985 }
8986 if selections.len() == 1 {
8987 let selection = selections
8988 .last()
8989 .expect("ensured that there's only one selection");
8990 let query = buffer
8991 .text_for_range(selection.start..selection.end)
8992 .collect::<String>();
8993 let is_empty = query.is_empty();
8994 let select_state = SelectNextState {
8995 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
8996 wordwise: true,
8997 done: is_empty,
8998 };
8999 self.select_prev_state = Some(select_state);
9000 } else {
9001 self.select_prev_state = None;
9002 }
9003
9004 self.unfold_ranges(
9005 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
9006 false,
9007 true,
9008 cx,
9009 );
9010 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9011 s.select(selections);
9012 });
9013 } else if let Some(selected_text) = selected_text {
9014 self.select_prev_state = Some(SelectNextState {
9015 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9016 wordwise: false,
9017 done: false,
9018 });
9019 self.select_previous(action, window, cx)?;
9020 }
9021 }
9022 Ok(())
9023 }
9024
9025 pub fn toggle_comments(
9026 &mut self,
9027 action: &ToggleComments,
9028 window: &mut Window,
9029 cx: &mut Context<Self>,
9030 ) {
9031 if self.read_only(cx) {
9032 return;
9033 }
9034 let text_layout_details = &self.text_layout_details(window);
9035 self.transact(window, cx, |this, window, cx| {
9036 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9037 let mut edits = Vec::new();
9038 let mut selection_edit_ranges = Vec::new();
9039 let mut last_toggled_row = None;
9040 let snapshot = this.buffer.read(cx).read(cx);
9041 let empty_str: Arc<str> = Arc::default();
9042 let mut suffixes_inserted = Vec::new();
9043 let ignore_indent = action.ignore_indent;
9044
9045 fn comment_prefix_range(
9046 snapshot: &MultiBufferSnapshot,
9047 row: MultiBufferRow,
9048 comment_prefix: &str,
9049 comment_prefix_whitespace: &str,
9050 ignore_indent: bool,
9051 ) -> Range<Point> {
9052 let indent_size = if ignore_indent {
9053 0
9054 } else {
9055 snapshot.indent_size_for_line(row).len
9056 };
9057
9058 let start = Point::new(row.0, indent_size);
9059
9060 let mut line_bytes = snapshot
9061 .bytes_in_range(start..snapshot.max_point())
9062 .flatten()
9063 .copied();
9064
9065 // If this line currently begins with the line comment prefix, then record
9066 // the range containing the prefix.
9067 if line_bytes
9068 .by_ref()
9069 .take(comment_prefix.len())
9070 .eq(comment_prefix.bytes())
9071 {
9072 // Include any whitespace that matches the comment prefix.
9073 let matching_whitespace_len = line_bytes
9074 .zip(comment_prefix_whitespace.bytes())
9075 .take_while(|(a, b)| a == b)
9076 .count() as u32;
9077 let end = Point::new(
9078 start.row,
9079 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9080 );
9081 start..end
9082 } else {
9083 start..start
9084 }
9085 }
9086
9087 fn comment_suffix_range(
9088 snapshot: &MultiBufferSnapshot,
9089 row: MultiBufferRow,
9090 comment_suffix: &str,
9091 comment_suffix_has_leading_space: bool,
9092 ) -> Range<Point> {
9093 let end = Point::new(row.0, snapshot.line_len(row));
9094 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9095
9096 let mut line_end_bytes = snapshot
9097 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9098 .flatten()
9099 .copied();
9100
9101 let leading_space_len = if suffix_start_column > 0
9102 && line_end_bytes.next() == Some(b' ')
9103 && comment_suffix_has_leading_space
9104 {
9105 1
9106 } else {
9107 0
9108 };
9109
9110 // If this line currently begins with the line comment prefix, then record
9111 // the range containing the prefix.
9112 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9113 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9114 start..end
9115 } else {
9116 end..end
9117 }
9118 }
9119
9120 // TODO: Handle selections that cross excerpts
9121 for selection in &mut selections {
9122 let start_column = snapshot
9123 .indent_size_for_line(MultiBufferRow(selection.start.row))
9124 .len;
9125 let language = if let Some(language) =
9126 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9127 {
9128 language
9129 } else {
9130 continue;
9131 };
9132
9133 selection_edit_ranges.clear();
9134
9135 // If multiple selections contain a given row, avoid processing that
9136 // row more than once.
9137 let mut start_row = MultiBufferRow(selection.start.row);
9138 if last_toggled_row == Some(start_row) {
9139 start_row = start_row.next_row();
9140 }
9141 let end_row =
9142 if selection.end.row > selection.start.row && selection.end.column == 0 {
9143 MultiBufferRow(selection.end.row - 1)
9144 } else {
9145 MultiBufferRow(selection.end.row)
9146 };
9147 last_toggled_row = Some(end_row);
9148
9149 if start_row > end_row {
9150 continue;
9151 }
9152
9153 // If the language has line comments, toggle those.
9154 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9155
9156 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9157 if ignore_indent {
9158 full_comment_prefixes = full_comment_prefixes
9159 .into_iter()
9160 .map(|s| Arc::from(s.trim_end()))
9161 .collect();
9162 }
9163
9164 if !full_comment_prefixes.is_empty() {
9165 let first_prefix = full_comment_prefixes
9166 .first()
9167 .expect("prefixes is non-empty");
9168 let prefix_trimmed_lengths = full_comment_prefixes
9169 .iter()
9170 .map(|p| p.trim_end_matches(' ').len())
9171 .collect::<SmallVec<[usize; 4]>>();
9172
9173 let mut all_selection_lines_are_comments = true;
9174
9175 for row in start_row.0..=end_row.0 {
9176 let row = MultiBufferRow(row);
9177 if start_row < end_row && snapshot.is_line_blank(row) {
9178 continue;
9179 }
9180
9181 let prefix_range = full_comment_prefixes
9182 .iter()
9183 .zip(prefix_trimmed_lengths.iter().copied())
9184 .map(|(prefix, trimmed_prefix_len)| {
9185 comment_prefix_range(
9186 snapshot.deref(),
9187 row,
9188 &prefix[..trimmed_prefix_len],
9189 &prefix[trimmed_prefix_len..],
9190 ignore_indent,
9191 )
9192 })
9193 .max_by_key(|range| range.end.column - range.start.column)
9194 .expect("prefixes is non-empty");
9195
9196 if prefix_range.is_empty() {
9197 all_selection_lines_are_comments = false;
9198 }
9199
9200 selection_edit_ranges.push(prefix_range);
9201 }
9202
9203 if all_selection_lines_are_comments {
9204 edits.extend(
9205 selection_edit_ranges
9206 .iter()
9207 .cloned()
9208 .map(|range| (range, empty_str.clone())),
9209 );
9210 } else {
9211 let min_column = selection_edit_ranges
9212 .iter()
9213 .map(|range| range.start.column)
9214 .min()
9215 .unwrap_or(0);
9216 edits.extend(selection_edit_ranges.iter().map(|range| {
9217 let position = Point::new(range.start.row, min_column);
9218 (position..position, first_prefix.clone())
9219 }));
9220 }
9221 } else if let Some((full_comment_prefix, comment_suffix)) =
9222 language.block_comment_delimiters()
9223 {
9224 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9225 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9226 let prefix_range = comment_prefix_range(
9227 snapshot.deref(),
9228 start_row,
9229 comment_prefix,
9230 comment_prefix_whitespace,
9231 ignore_indent,
9232 );
9233 let suffix_range = comment_suffix_range(
9234 snapshot.deref(),
9235 end_row,
9236 comment_suffix.trim_start_matches(' '),
9237 comment_suffix.starts_with(' '),
9238 );
9239
9240 if prefix_range.is_empty() || suffix_range.is_empty() {
9241 edits.push((
9242 prefix_range.start..prefix_range.start,
9243 full_comment_prefix.clone(),
9244 ));
9245 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9246 suffixes_inserted.push((end_row, comment_suffix.len()));
9247 } else {
9248 edits.push((prefix_range, empty_str.clone()));
9249 edits.push((suffix_range, empty_str.clone()));
9250 }
9251 } else {
9252 continue;
9253 }
9254 }
9255
9256 drop(snapshot);
9257 this.buffer.update(cx, |buffer, cx| {
9258 buffer.edit(edits, None, cx);
9259 });
9260
9261 // Adjust selections so that they end before any comment suffixes that
9262 // were inserted.
9263 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9264 let mut selections = this.selections.all::<Point>(cx);
9265 let snapshot = this.buffer.read(cx).read(cx);
9266 for selection in &mut selections {
9267 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9268 match row.cmp(&MultiBufferRow(selection.end.row)) {
9269 Ordering::Less => {
9270 suffixes_inserted.next();
9271 continue;
9272 }
9273 Ordering::Greater => break,
9274 Ordering::Equal => {
9275 if selection.end.column == snapshot.line_len(row) {
9276 if selection.is_empty() {
9277 selection.start.column -= suffix_len as u32;
9278 }
9279 selection.end.column -= suffix_len as u32;
9280 }
9281 break;
9282 }
9283 }
9284 }
9285 }
9286
9287 drop(snapshot);
9288 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9289 s.select(selections)
9290 });
9291
9292 let selections = this.selections.all::<Point>(cx);
9293 let selections_on_single_row = selections.windows(2).all(|selections| {
9294 selections[0].start.row == selections[1].start.row
9295 && selections[0].end.row == selections[1].end.row
9296 && selections[0].start.row == selections[0].end.row
9297 });
9298 let selections_selecting = selections
9299 .iter()
9300 .any(|selection| selection.start != selection.end);
9301 let advance_downwards = action.advance_downwards
9302 && selections_on_single_row
9303 && !selections_selecting
9304 && !matches!(this.mode, EditorMode::SingleLine { .. });
9305
9306 if advance_downwards {
9307 let snapshot = this.buffer.read(cx).snapshot(cx);
9308
9309 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9310 s.move_cursors_with(|display_snapshot, display_point, _| {
9311 let mut point = display_point.to_point(display_snapshot);
9312 point.row += 1;
9313 point = snapshot.clip_point(point, Bias::Left);
9314 let display_point = point.to_display_point(display_snapshot);
9315 let goal = SelectionGoal::HorizontalPosition(
9316 display_snapshot
9317 .x_for_display_point(display_point, text_layout_details)
9318 .into(),
9319 );
9320 (display_point, goal)
9321 })
9322 });
9323 }
9324 });
9325 }
9326
9327 pub fn select_enclosing_symbol(
9328 &mut self,
9329 _: &SelectEnclosingSymbol,
9330 window: &mut Window,
9331 cx: &mut Context<Self>,
9332 ) {
9333 let buffer = self.buffer.read(cx).snapshot(cx);
9334 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9335
9336 fn update_selection(
9337 selection: &Selection<usize>,
9338 buffer_snap: &MultiBufferSnapshot,
9339 ) -> Option<Selection<usize>> {
9340 let cursor = selection.head();
9341 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9342 for symbol in symbols.iter().rev() {
9343 let start = symbol.range.start.to_offset(buffer_snap);
9344 let end = symbol.range.end.to_offset(buffer_snap);
9345 let new_range = start..end;
9346 if start < selection.start || end > selection.end {
9347 return Some(Selection {
9348 id: selection.id,
9349 start: new_range.start,
9350 end: new_range.end,
9351 goal: SelectionGoal::None,
9352 reversed: selection.reversed,
9353 });
9354 }
9355 }
9356 None
9357 }
9358
9359 let mut selected_larger_symbol = false;
9360 let new_selections = old_selections
9361 .iter()
9362 .map(|selection| match update_selection(selection, &buffer) {
9363 Some(new_selection) => {
9364 if new_selection.range() != selection.range() {
9365 selected_larger_symbol = true;
9366 }
9367 new_selection
9368 }
9369 None => selection.clone(),
9370 })
9371 .collect::<Vec<_>>();
9372
9373 if selected_larger_symbol {
9374 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9375 s.select(new_selections);
9376 });
9377 }
9378 }
9379
9380 pub fn select_larger_syntax_node(
9381 &mut self,
9382 _: &SelectLargerSyntaxNode,
9383 window: &mut Window,
9384 cx: &mut Context<Self>,
9385 ) {
9386 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9387 let buffer = self.buffer.read(cx).snapshot(cx);
9388 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9389
9390 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9391 let mut selected_larger_node = false;
9392 let new_selections = old_selections
9393 .iter()
9394 .map(|selection| {
9395 let old_range = selection.start..selection.end;
9396 let mut new_range = old_range.clone();
9397 let mut new_node = None;
9398 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9399 {
9400 new_node = Some(node);
9401 new_range = containing_range;
9402 if !display_map.intersects_fold(new_range.start)
9403 && !display_map.intersects_fold(new_range.end)
9404 {
9405 break;
9406 }
9407 }
9408
9409 if let Some(node) = new_node {
9410 // Log the ancestor, to support using this action as a way to explore TreeSitter
9411 // nodes. Parent and grandparent are also logged because this operation will not
9412 // visit nodes that have the same range as their parent.
9413 log::info!("Node: {node:?}");
9414 let parent = node.parent();
9415 log::info!("Parent: {parent:?}");
9416 let grandparent = parent.and_then(|x| x.parent());
9417 log::info!("Grandparent: {grandparent:?}");
9418 }
9419
9420 selected_larger_node |= new_range != old_range;
9421 Selection {
9422 id: selection.id,
9423 start: new_range.start,
9424 end: new_range.end,
9425 goal: SelectionGoal::None,
9426 reversed: selection.reversed,
9427 }
9428 })
9429 .collect::<Vec<_>>();
9430
9431 if selected_larger_node {
9432 stack.push(old_selections);
9433 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9434 s.select(new_selections);
9435 });
9436 }
9437 self.select_larger_syntax_node_stack = stack;
9438 }
9439
9440 pub fn select_smaller_syntax_node(
9441 &mut self,
9442 _: &SelectSmallerSyntaxNode,
9443 window: &mut Window,
9444 cx: &mut Context<Self>,
9445 ) {
9446 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9447 if let Some(selections) = stack.pop() {
9448 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9449 s.select(selections.to_vec());
9450 });
9451 }
9452 self.select_larger_syntax_node_stack = stack;
9453 }
9454
9455 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
9456 if !EditorSettings::get_global(cx).gutter.runnables {
9457 self.clear_tasks();
9458 return Task::ready(());
9459 }
9460 let project = self.project.as_ref().map(Entity::downgrade);
9461 cx.spawn_in(window, |this, mut cx| async move {
9462 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
9463 let Some(project) = project.and_then(|p| p.upgrade()) else {
9464 return;
9465 };
9466 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
9467 this.display_map.update(cx, |map, cx| map.snapshot(cx))
9468 }) else {
9469 return;
9470 };
9471
9472 let hide_runnables = project
9473 .update(&mut cx, |project, cx| {
9474 // Do not display any test indicators in non-dev server remote projects.
9475 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
9476 })
9477 .unwrap_or(true);
9478 if hide_runnables {
9479 return;
9480 }
9481 let new_rows =
9482 cx.background_executor()
9483 .spawn({
9484 let snapshot = display_snapshot.clone();
9485 async move {
9486 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
9487 }
9488 })
9489 .await;
9490
9491 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
9492 this.update(&mut cx, |this, _| {
9493 this.clear_tasks();
9494 for (key, value) in rows {
9495 this.insert_tasks(key, value);
9496 }
9497 })
9498 .ok();
9499 })
9500 }
9501 fn fetch_runnable_ranges(
9502 snapshot: &DisplaySnapshot,
9503 range: Range<Anchor>,
9504 ) -> Vec<language::RunnableRange> {
9505 snapshot.buffer_snapshot.runnable_ranges(range).collect()
9506 }
9507
9508 fn runnable_rows(
9509 project: Entity<Project>,
9510 snapshot: DisplaySnapshot,
9511 runnable_ranges: Vec<RunnableRange>,
9512 mut cx: AsyncWindowContext,
9513 ) -> Vec<((BufferId, u32), RunnableTasks)> {
9514 runnable_ranges
9515 .into_iter()
9516 .filter_map(|mut runnable| {
9517 let tasks = cx
9518 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
9519 .ok()?;
9520 if tasks.is_empty() {
9521 return None;
9522 }
9523
9524 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
9525
9526 let row = snapshot
9527 .buffer_snapshot
9528 .buffer_line_for_row(MultiBufferRow(point.row))?
9529 .1
9530 .start
9531 .row;
9532
9533 let context_range =
9534 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
9535 Some((
9536 (runnable.buffer_id, row),
9537 RunnableTasks {
9538 templates: tasks,
9539 offset: MultiBufferOffset(runnable.run_range.start),
9540 context_range,
9541 column: point.column,
9542 extra_variables: runnable.extra_captures,
9543 },
9544 ))
9545 })
9546 .collect()
9547 }
9548
9549 fn templates_with_tags(
9550 project: &Entity<Project>,
9551 runnable: &mut Runnable,
9552 cx: &mut App,
9553 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
9554 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
9555 let (worktree_id, file) = project
9556 .buffer_for_id(runnable.buffer, cx)
9557 .and_then(|buffer| buffer.read(cx).file())
9558 .map(|file| (file.worktree_id(cx), file.clone()))
9559 .unzip();
9560
9561 (
9562 project.task_store().read(cx).task_inventory().cloned(),
9563 worktree_id,
9564 file,
9565 )
9566 });
9567
9568 let tags = mem::take(&mut runnable.tags);
9569 let mut tags: Vec<_> = tags
9570 .into_iter()
9571 .flat_map(|tag| {
9572 let tag = tag.0.clone();
9573 inventory
9574 .as_ref()
9575 .into_iter()
9576 .flat_map(|inventory| {
9577 inventory.read(cx).list_tasks(
9578 file.clone(),
9579 Some(runnable.language.clone()),
9580 worktree_id,
9581 cx,
9582 )
9583 })
9584 .filter(move |(_, template)| {
9585 template.tags.iter().any(|source_tag| source_tag == &tag)
9586 })
9587 })
9588 .sorted_by_key(|(kind, _)| kind.to_owned())
9589 .collect();
9590 if let Some((leading_tag_source, _)) = tags.first() {
9591 // Strongest source wins; if we have worktree tag binding, prefer that to
9592 // global and language bindings;
9593 // if we have a global binding, prefer that to language binding.
9594 let first_mismatch = tags
9595 .iter()
9596 .position(|(tag_source, _)| tag_source != leading_tag_source);
9597 if let Some(index) = first_mismatch {
9598 tags.truncate(index);
9599 }
9600 }
9601
9602 tags
9603 }
9604
9605 pub fn move_to_enclosing_bracket(
9606 &mut self,
9607 _: &MoveToEnclosingBracket,
9608 window: &mut Window,
9609 cx: &mut Context<Self>,
9610 ) {
9611 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9612 s.move_offsets_with(|snapshot, selection| {
9613 let Some(enclosing_bracket_ranges) =
9614 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
9615 else {
9616 return;
9617 };
9618
9619 let mut best_length = usize::MAX;
9620 let mut best_inside = false;
9621 let mut best_in_bracket_range = false;
9622 let mut best_destination = None;
9623 for (open, close) in enclosing_bracket_ranges {
9624 let close = close.to_inclusive();
9625 let length = close.end() - open.start;
9626 let inside = selection.start >= open.end && selection.end <= *close.start();
9627 let in_bracket_range = open.to_inclusive().contains(&selection.head())
9628 || close.contains(&selection.head());
9629
9630 // If best is next to a bracket and current isn't, skip
9631 if !in_bracket_range && best_in_bracket_range {
9632 continue;
9633 }
9634
9635 // Prefer smaller lengths unless best is inside and current isn't
9636 if length > best_length && (best_inside || !inside) {
9637 continue;
9638 }
9639
9640 best_length = length;
9641 best_inside = inside;
9642 best_in_bracket_range = in_bracket_range;
9643 best_destination = Some(
9644 if close.contains(&selection.start) && close.contains(&selection.end) {
9645 if inside {
9646 open.end
9647 } else {
9648 open.start
9649 }
9650 } else if inside {
9651 *close.start()
9652 } else {
9653 *close.end()
9654 },
9655 );
9656 }
9657
9658 if let Some(destination) = best_destination {
9659 selection.collapse_to(destination, SelectionGoal::None);
9660 }
9661 })
9662 });
9663 }
9664
9665 pub fn undo_selection(
9666 &mut self,
9667 _: &UndoSelection,
9668 window: &mut Window,
9669 cx: &mut Context<Self>,
9670 ) {
9671 self.end_selection(window, cx);
9672 self.selection_history.mode = SelectionHistoryMode::Undoing;
9673 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
9674 self.change_selections(None, window, cx, |s| {
9675 s.select_anchors(entry.selections.to_vec())
9676 });
9677 self.select_next_state = entry.select_next_state;
9678 self.select_prev_state = entry.select_prev_state;
9679 self.add_selections_state = entry.add_selections_state;
9680 self.request_autoscroll(Autoscroll::newest(), cx);
9681 }
9682 self.selection_history.mode = SelectionHistoryMode::Normal;
9683 }
9684
9685 pub fn redo_selection(
9686 &mut self,
9687 _: &RedoSelection,
9688 window: &mut Window,
9689 cx: &mut Context<Self>,
9690 ) {
9691 self.end_selection(window, cx);
9692 self.selection_history.mode = SelectionHistoryMode::Redoing;
9693 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
9694 self.change_selections(None, window, cx, |s| {
9695 s.select_anchors(entry.selections.to_vec())
9696 });
9697 self.select_next_state = entry.select_next_state;
9698 self.select_prev_state = entry.select_prev_state;
9699 self.add_selections_state = entry.add_selections_state;
9700 self.request_autoscroll(Autoscroll::newest(), cx);
9701 }
9702 self.selection_history.mode = SelectionHistoryMode::Normal;
9703 }
9704
9705 pub fn expand_excerpts(
9706 &mut self,
9707 action: &ExpandExcerpts,
9708 _: &mut Window,
9709 cx: &mut Context<Self>,
9710 ) {
9711 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
9712 }
9713
9714 pub fn expand_excerpts_down(
9715 &mut self,
9716 action: &ExpandExcerptsDown,
9717 _: &mut Window,
9718 cx: &mut Context<Self>,
9719 ) {
9720 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
9721 }
9722
9723 pub fn expand_excerpts_up(
9724 &mut self,
9725 action: &ExpandExcerptsUp,
9726 _: &mut Window,
9727 cx: &mut Context<Self>,
9728 ) {
9729 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
9730 }
9731
9732 pub fn expand_excerpts_for_direction(
9733 &mut self,
9734 lines: u32,
9735 direction: ExpandExcerptDirection,
9736
9737 cx: &mut Context<Self>,
9738 ) {
9739 let selections = self.selections.disjoint_anchors();
9740
9741 let lines = if lines == 0 {
9742 EditorSettings::get_global(cx).expand_excerpt_lines
9743 } else {
9744 lines
9745 };
9746
9747 self.buffer.update(cx, |buffer, cx| {
9748 let snapshot = buffer.snapshot(cx);
9749 let mut excerpt_ids = selections
9750 .iter()
9751 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
9752 .collect::<Vec<_>>();
9753 excerpt_ids.sort();
9754 excerpt_ids.dedup();
9755 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
9756 })
9757 }
9758
9759 pub fn expand_excerpt(
9760 &mut self,
9761 excerpt: ExcerptId,
9762 direction: ExpandExcerptDirection,
9763 cx: &mut Context<Self>,
9764 ) {
9765 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
9766 self.buffer.update(cx, |buffer, cx| {
9767 buffer.expand_excerpts([excerpt], lines, direction, cx)
9768 })
9769 }
9770
9771 pub fn go_to_singleton_buffer_point(
9772 &mut self,
9773 point: Point,
9774 window: &mut Window,
9775 cx: &mut Context<Self>,
9776 ) {
9777 self.go_to_singleton_buffer_range(point..point, window, cx);
9778 }
9779
9780 pub fn go_to_singleton_buffer_range(
9781 &mut self,
9782 range: Range<Point>,
9783 window: &mut Window,
9784 cx: &mut Context<Self>,
9785 ) {
9786 let multibuffer = self.buffer().read(cx);
9787 let Some(buffer) = multibuffer.as_singleton() else {
9788 return;
9789 };
9790 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
9791 return;
9792 };
9793 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
9794 return;
9795 };
9796 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
9797 s.select_anchor_ranges([start..end])
9798 });
9799 }
9800
9801 fn go_to_diagnostic(
9802 &mut self,
9803 _: &GoToDiagnostic,
9804 window: &mut Window,
9805 cx: &mut Context<Self>,
9806 ) {
9807 self.go_to_diagnostic_impl(Direction::Next, window, cx)
9808 }
9809
9810 fn go_to_prev_diagnostic(
9811 &mut self,
9812 _: &GoToPrevDiagnostic,
9813 window: &mut Window,
9814 cx: &mut Context<Self>,
9815 ) {
9816 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
9817 }
9818
9819 pub fn go_to_diagnostic_impl(
9820 &mut self,
9821 direction: Direction,
9822 window: &mut Window,
9823 cx: &mut Context<Self>,
9824 ) {
9825 let buffer = self.buffer.read(cx).snapshot(cx);
9826 let selection = self.selections.newest::<usize>(cx);
9827
9828 // If there is an active Diagnostic Popover jump to its diagnostic instead.
9829 if direction == Direction::Next {
9830 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
9831 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
9832 return;
9833 };
9834 self.activate_diagnostics(
9835 buffer_id,
9836 popover.local_diagnostic.diagnostic.group_id,
9837 window,
9838 cx,
9839 );
9840 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
9841 let primary_range_start = active_diagnostics.primary_range.start;
9842 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9843 let mut new_selection = s.newest_anchor().clone();
9844 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
9845 s.select_anchors(vec![new_selection.clone()]);
9846 });
9847 self.refresh_inline_completion(false, true, window, cx);
9848 }
9849 return;
9850 }
9851 }
9852
9853 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
9854 active_diagnostics
9855 .primary_range
9856 .to_offset(&buffer)
9857 .to_inclusive()
9858 });
9859 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
9860 if active_primary_range.contains(&selection.head()) {
9861 *active_primary_range.start()
9862 } else {
9863 selection.head()
9864 }
9865 } else {
9866 selection.head()
9867 };
9868 let snapshot = self.snapshot(window, cx);
9869 loop {
9870 let mut diagnostics;
9871 if direction == Direction::Prev {
9872 diagnostics = buffer
9873 .diagnostics_in_range::<_, usize>(0..search_start)
9874 .collect::<Vec<_>>();
9875 diagnostics.reverse();
9876 } else {
9877 diagnostics = buffer
9878 .diagnostics_in_range::<_, usize>(search_start..buffer.len())
9879 .collect::<Vec<_>>();
9880 };
9881 let group = diagnostics
9882 .into_iter()
9883 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
9884 // relies on diagnostics_in_range to return diagnostics with the same starting range to
9885 // be sorted in a stable way
9886 // skip until we are at current active diagnostic, if it exists
9887 .skip_while(|entry| {
9888 let is_in_range = match direction {
9889 Direction::Prev => entry.range.end > search_start,
9890 Direction::Next => entry.range.start < search_start,
9891 };
9892 is_in_range
9893 && self
9894 .active_diagnostics
9895 .as_ref()
9896 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
9897 })
9898 .find_map(|entry| {
9899 if entry.diagnostic.is_primary
9900 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
9901 && entry.range.start != entry.range.end
9902 // if we match with the active diagnostic, skip it
9903 && Some(entry.diagnostic.group_id)
9904 != self.active_diagnostics.as_ref().map(|d| d.group_id)
9905 {
9906 Some((entry.range, entry.diagnostic.group_id))
9907 } else {
9908 None
9909 }
9910 });
9911
9912 if let Some((primary_range, group_id)) = group {
9913 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
9914 return;
9915 };
9916 self.activate_diagnostics(buffer_id, group_id, window, cx);
9917 if self.active_diagnostics.is_some() {
9918 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9919 s.select(vec![Selection {
9920 id: selection.id,
9921 start: primary_range.start,
9922 end: primary_range.start,
9923 reversed: false,
9924 goal: SelectionGoal::None,
9925 }]);
9926 });
9927 self.refresh_inline_completion(false, true, window, cx);
9928 }
9929 break;
9930 } else {
9931 // Cycle around to the start of the buffer, potentially moving back to the start of
9932 // the currently active diagnostic.
9933 active_primary_range.take();
9934 if direction == Direction::Prev {
9935 if search_start == buffer.len() {
9936 break;
9937 } else {
9938 search_start = buffer.len();
9939 }
9940 } else if search_start == 0 {
9941 break;
9942 } else {
9943 search_start = 0;
9944 }
9945 }
9946 }
9947 }
9948
9949 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
9950 let snapshot = self.snapshot(window, cx);
9951 let selection = self.selections.newest::<Point>(cx);
9952 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
9953 }
9954
9955 fn go_to_hunk_after_position(
9956 &mut self,
9957 snapshot: &EditorSnapshot,
9958 position: Point,
9959 window: &mut Window,
9960 cx: &mut Context<Editor>,
9961 ) -> Option<MultiBufferDiffHunk> {
9962 let mut hunk = snapshot
9963 .buffer_snapshot
9964 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
9965 .find(|hunk| hunk.row_range.start.0 > position.row);
9966 if hunk.is_none() {
9967 hunk = snapshot
9968 .buffer_snapshot
9969 .diff_hunks_in_range(Point::zero()..position)
9970 .find(|hunk| hunk.row_range.end.0 < position.row)
9971 }
9972 if let Some(hunk) = &hunk {
9973 let destination = Point::new(hunk.row_range.start.0, 0);
9974 self.unfold_ranges(&[destination..destination], false, false, cx);
9975 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9976 s.select_ranges(vec![destination..destination]);
9977 });
9978 }
9979
9980 hunk
9981 }
9982
9983 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
9984 let snapshot = self.snapshot(window, cx);
9985 let selection = self.selections.newest::<Point>(cx);
9986 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
9987 }
9988
9989 fn go_to_hunk_before_position(
9990 &mut self,
9991 snapshot: &EditorSnapshot,
9992 position: Point,
9993 window: &mut Window,
9994 cx: &mut Context<Editor>,
9995 ) -> Option<MultiBufferDiffHunk> {
9996 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
9997 if hunk.is_none() {
9998 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
9999 }
10000 if let Some(hunk) = &hunk {
10001 let destination = Point::new(hunk.row_range.start.0, 0);
10002 self.unfold_ranges(&[destination..destination], false, false, cx);
10003 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10004 s.select_ranges(vec![destination..destination]);
10005 });
10006 }
10007
10008 hunk
10009 }
10010
10011 pub fn go_to_definition(
10012 &mut self,
10013 _: &GoToDefinition,
10014 window: &mut Window,
10015 cx: &mut Context<Self>,
10016 ) -> Task<Result<Navigated>> {
10017 let definition =
10018 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10019 cx.spawn_in(window, |editor, mut cx| async move {
10020 if definition.await? == Navigated::Yes {
10021 return Ok(Navigated::Yes);
10022 }
10023 match editor.update_in(&mut cx, |editor, window, cx| {
10024 editor.find_all_references(&FindAllReferences, window, cx)
10025 })? {
10026 Some(references) => references.await,
10027 None => Ok(Navigated::No),
10028 }
10029 })
10030 }
10031
10032 pub fn go_to_declaration(
10033 &mut self,
10034 _: &GoToDeclaration,
10035 window: &mut Window,
10036 cx: &mut Context<Self>,
10037 ) -> Task<Result<Navigated>> {
10038 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10039 }
10040
10041 pub fn go_to_declaration_split(
10042 &mut self,
10043 _: &GoToDeclaration,
10044 window: &mut Window,
10045 cx: &mut Context<Self>,
10046 ) -> Task<Result<Navigated>> {
10047 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10048 }
10049
10050 pub fn go_to_implementation(
10051 &mut self,
10052 _: &GoToImplementation,
10053 window: &mut Window,
10054 cx: &mut Context<Self>,
10055 ) -> Task<Result<Navigated>> {
10056 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10057 }
10058
10059 pub fn go_to_implementation_split(
10060 &mut self,
10061 _: &GoToImplementationSplit,
10062 window: &mut Window,
10063 cx: &mut Context<Self>,
10064 ) -> Task<Result<Navigated>> {
10065 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10066 }
10067
10068 pub fn go_to_type_definition(
10069 &mut self,
10070 _: &GoToTypeDefinition,
10071 window: &mut Window,
10072 cx: &mut Context<Self>,
10073 ) -> Task<Result<Navigated>> {
10074 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10075 }
10076
10077 pub fn go_to_definition_split(
10078 &mut self,
10079 _: &GoToDefinitionSplit,
10080 window: &mut Window,
10081 cx: &mut Context<Self>,
10082 ) -> Task<Result<Navigated>> {
10083 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10084 }
10085
10086 pub fn go_to_type_definition_split(
10087 &mut self,
10088 _: &GoToTypeDefinitionSplit,
10089 window: &mut Window,
10090 cx: &mut Context<Self>,
10091 ) -> Task<Result<Navigated>> {
10092 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10093 }
10094
10095 fn go_to_definition_of_kind(
10096 &mut self,
10097 kind: GotoDefinitionKind,
10098 split: bool,
10099 window: &mut Window,
10100 cx: &mut Context<Self>,
10101 ) -> Task<Result<Navigated>> {
10102 let Some(provider) = self.semantics_provider.clone() else {
10103 return Task::ready(Ok(Navigated::No));
10104 };
10105 let head = self.selections.newest::<usize>(cx).head();
10106 let buffer = self.buffer.read(cx);
10107 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10108 text_anchor
10109 } else {
10110 return Task::ready(Ok(Navigated::No));
10111 };
10112
10113 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10114 return Task::ready(Ok(Navigated::No));
10115 };
10116
10117 cx.spawn_in(window, |editor, mut cx| async move {
10118 let definitions = definitions.await?;
10119 let navigated = editor
10120 .update_in(&mut cx, |editor, window, cx| {
10121 editor.navigate_to_hover_links(
10122 Some(kind),
10123 definitions
10124 .into_iter()
10125 .filter(|location| {
10126 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10127 })
10128 .map(HoverLink::Text)
10129 .collect::<Vec<_>>(),
10130 split,
10131 window,
10132 cx,
10133 )
10134 })?
10135 .await?;
10136 anyhow::Ok(navigated)
10137 })
10138 }
10139
10140 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10141 let selection = self.selections.newest_anchor();
10142 let head = selection.head();
10143 let tail = selection.tail();
10144
10145 let Some((buffer, start_position)) =
10146 self.buffer.read(cx).text_anchor_for_position(head, cx)
10147 else {
10148 return;
10149 };
10150
10151 let end_position = if head != tail {
10152 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10153 return;
10154 };
10155 Some(pos)
10156 } else {
10157 None
10158 };
10159
10160 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10161 let url = if let Some(end_pos) = end_position {
10162 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10163 } else {
10164 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10165 };
10166
10167 if let Some(url) = url {
10168 editor.update(&mut cx, |_, cx| {
10169 cx.open_url(&url);
10170 })
10171 } else {
10172 Ok(())
10173 }
10174 });
10175
10176 url_finder.detach();
10177 }
10178
10179 pub fn open_selected_filename(
10180 &mut self,
10181 _: &OpenSelectedFilename,
10182 window: &mut Window,
10183 cx: &mut Context<Self>,
10184 ) {
10185 let Some(workspace) = self.workspace() else {
10186 return;
10187 };
10188
10189 let position = self.selections.newest_anchor().head();
10190
10191 let Some((buffer, buffer_position)) =
10192 self.buffer.read(cx).text_anchor_for_position(position, cx)
10193 else {
10194 return;
10195 };
10196
10197 let project = self.project.clone();
10198
10199 cx.spawn_in(window, |_, mut cx| async move {
10200 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10201
10202 if let Some((_, path)) = result {
10203 workspace
10204 .update_in(&mut cx, |workspace, window, cx| {
10205 workspace.open_resolved_path(path, window, cx)
10206 })?
10207 .await?;
10208 }
10209 anyhow::Ok(())
10210 })
10211 .detach();
10212 }
10213
10214 pub(crate) fn navigate_to_hover_links(
10215 &mut self,
10216 kind: Option<GotoDefinitionKind>,
10217 mut definitions: Vec<HoverLink>,
10218 split: bool,
10219 window: &mut Window,
10220 cx: &mut Context<Editor>,
10221 ) -> Task<Result<Navigated>> {
10222 // If there is one definition, just open it directly
10223 if definitions.len() == 1 {
10224 let definition = definitions.pop().unwrap();
10225
10226 enum TargetTaskResult {
10227 Location(Option<Location>),
10228 AlreadyNavigated,
10229 }
10230
10231 let target_task = match definition {
10232 HoverLink::Text(link) => {
10233 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10234 }
10235 HoverLink::InlayHint(lsp_location, server_id) => {
10236 let computation =
10237 self.compute_target_location(lsp_location, server_id, window, cx);
10238 cx.background_executor().spawn(async move {
10239 let location = computation.await?;
10240 Ok(TargetTaskResult::Location(location))
10241 })
10242 }
10243 HoverLink::Url(url) => {
10244 cx.open_url(&url);
10245 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10246 }
10247 HoverLink::File(path) => {
10248 if let Some(workspace) = self.workspace() {
10249 cx.spawn_in(window, |_, mut cx| async move {
10250 workspace
10251 .update_in(&mut cx, |workspace, window, cx| {
10252 workspace.open_resolved_path(path, window, cx)
10253 })?
10254 .await
10255 .map(|_| TargetTaskResult::AlreadyNavigated)
10256 })
10257 } else {
10258 Task::ready(Ok(TargetTaskResult::Location(None)))
10259 }
10260 }
10261 };
10262 cx.spawn_in(window, |editor, mut cx| async move {
10263 let target = match target_task.await.context("target resolution task")? {
10264 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10265 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10266 TargetTaskResult::Location(Some(target)) => target,
10267 };
10268
10269 editor.update_in(&mut cx, |editor, window, cx| {
10270 let Some(workspace) = editor.workspace() else {
10271 return Navigated::No;
10272 };
10273 let pane = workspace.read(cx).active_pane().clone();
10274
10275 let range = target.range.to_point(target.buffer.read(cx));
10276 let range = editor.range_for_match(&range);
10277 let range = collapse_multiline_range(range);
10278
10279 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10280 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10281 } else {
10282 window.defer(cx, move |window, cx| {
10283 let target_editor: Entity<Self> =
10284 workspace.update(cx, |workspace, cx| {
10285 let pane = if split {
10286 workspace.adjacent_pane(window, cx)
10287 } else {
10288 workspace.active_pane().clone()
10289 };
10290
10291 workspace.open_project_item(
10292 pane,
10293 target.buffer.clone(),
10294 true,
10295 true,
10296 window,
10297 cx,
10298 )
10299 });
10300 target_editor.update(cx, |target_editor, cx| {
10301 // When selecting a definition in a different buffer, disable the nav history
10302 // to avoid creating a history entry at the previous cursor location.
10303 pane.update(cx, |pane, _| pane.disable_history());
10304 target_editor.go_to_singleton_buffer_range(range, window, cx);
10305 pane.update(cx, |pane, _| pane.enable_history());
10306 });
10307 });
10308 }
10309 Navigated::Yes
10310 })
10311 })
10312 } else if !definitions.is_empty() {
10313 cx.spawn_in(window, |editor, mut cx| async move {
10314 let (title, location_tasks, workspace) = editor
10315 .update_in(&mut cx, |editor, window, cx| {
10316 let tab_kind = match kind {
10317 Some(GotoDefinitionKind::Implementation) => "Implementations",
10318 _ => "Definitions",
10319 };
10320 let title = definitions
10321 .iter()
10322 .find_map(|definition| match definition {
10323 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10324 let buffer = origin.buffer.read(cx);
10325 format!(
10326 "{} for {}",
10327 tab_kind,
10328 buffer
10329 .text_for_range(origin.range.clone())
10330 .collect::<String>()
10331 )
10332 }),
10333 HoverLink::InlayHint(_, _) => None,
10334 HoverLink::Url(_) => None,
10335 HoverLink::File(_) => None,
10336 })
10337 .unwrap_or(tab_kind.to_string());
10338 let location_tasks = definitions
10339 .into_iter()
10340 .map(|definition| match definition {
10341 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10342 HoverLink::InlayHint(lsp_location, server_id) => editor
10343 .compute_target_location(lsp_location, server_id, window, cx),
10344 HoverLink::Url(_) => Task::ready(Ok(None)),
10345 HoverLink::File(_) => Task::ready(Ok(None)),
10346 })
10347 .collect::<Vec<_>>();
10348 (title, location_tasks, editor.workspace().clone())
10349 })
10350 .context("location tasks preparation")?;
10351
10352 let locations = future::join_all(location_tasks)
10353 .await
10354 .into_iter()
10355 .filter_map(|location| location.transpose())
10356 .collect::<Result<_>>()
10357 .context("location tasks")?;
10358
10359 let Some(workspace) = workspace else {
10360 return Ok(Navigated::No);
10361 };
10362 let opened = workspace
10363 .update_in(&mut cx, |workspace, window, cx| {
10364 Self::open_locations_in_multibuffer(
10365 workspace,
10366 locations,
10367 title,
10368 split,
10369 MultibufferSelectionMode::First,
10370 window,
10371 cx,
10372 )
10373 })
10374 .ok();
10375
10376 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10377 })
10378 } else {
10379 Task::ready(Ok(Navigated::No))
10380 }
10381 }
10382
10383 fn compute_target_location(
10384 &self,
10385 lsp_location: lsp::Location,
10386 server_id: LanguageServerId,
10387 window: &mut Window,
10388 cx: &mut Context<Self>,
10389 ) -> Task<anyhow::Result<Option<Location>>> {
10390 let Some(project) = self.project.clone() else {
10391 return Task::ready(Ok(None));
10392 };
10393
10394 cx.spawn_in(window, move |editor, mut cx| async move {
10395 let location_task = editor.update(&mut cx, |_, cx| {
10396 project.update(cx, |project, cx| {
10397 let language_server_name = project
10398 .language_server_statuses(cx)
10399 .find(|(id, _)| server_id == *id)
10400 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10401 language_server_name.map(|language_server_name| {
10402 project.open_local_buffer_via_lsp(
10403 lsp_location.uri.clone(),
10404 server_id,
10405 language_server_name,
10406 cx,
10407 )
10408 })
10409 })
10410 })?;
10411 let location = match location_task {
10412 Some(task) => Some({
10413 let target_buffer_handle = task.await.context("open local buffer")?;
10414 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10415 let target_start = target_buffer
10416 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10417 let target_end = target_buffer
10418 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10419 target_buffer.anchor_after(target_start)
10420 ..target_buffer.anchor_before(target_end)
10421 })?;
10422 Location {
10423 buffer: target_buffer_handle,
10424 range,
10425 }
10426 }),
10427 None => None,
10428 };
10429 Ok(location)
10430 })
10431 }
10432
10433 pub fn find_all_references(
10434 &mut self,
10435 _: &FindAllReferences,
10436 window: &mut Window,
10437 cx: &mut Context<Self>,
10438 ) -> Option<Task<Result<Navigated>>> {
10439 let selection = self.selections.newest::<usize>(cx);
10440 let multi_buffer = self.buffer.read(cx);
10441 let head = selection.head();
10442
10443 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
10444 let head_anchor = multi_buffer_snapshot.anchor_at(
10445 head,
10446 if head < selection.tail() {
10447 Bias::Right
10448 } else {
10449 Bias::Left
10450 },
10451 );
10452
10453 match self
10454 .find_all_references_task_sources
10455 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
10456 {
10457 Ok(_) => {
10458 log::info!(
10459 "Ignoring repeated FindAllReferences invocation with the position of already running task"
10460 );
10461 return None;
10462 }
10463 Err(i) => {
10464 self.find_all_references_task_sources.insert(i, head_anchor);
10465 }
10466 }
10467
10468 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
10469 let workspace = self.workspace()?;
10470 let project = workspace.read(cx).project().clone();
10471 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
10472 Some(cx.spawn_in(window, |editor, mut cx| async move {
10473 let _cleanup = defer({
10474 let mut cx = cx.clone();
10475 move || {
10476 let _ = editor.update(&mut cx, |editor, _| {
10477 if let Ok(i) =
10478 editor
10479 .find_all_references_task_sources
10480 .binary_search_by(|anchor| {
10481 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
10482 })
10483 {
10484 editor.find_all_references_task_sources.remove(i);
10485 }
10486 });
10487 }
10488 });
10489
10490 let locations = references.await?;
10491 if locations.is_empty() {
10492 return anyhow::Ok(Navigated::No);
10493 }
10494
10495 workspace.update_in(&mut cx, |workspace, window, cx| {
10496 let title = locations
10497 .first()
10498 .as_ref()
10499 .map(|location| {
10500 let buffer = location.buffer.read(cx);
10501 format!(
10502 "References to `{}`",
10503 buffer
10504 .text_for_range(location.range.clone())
10505 .collect::<String>()
10506 )
10507 })
10508 .unwrap();
10509 Self::open_locations_in_multibuffer(
10510 workspace,
10511 locations,
10512 title,
10513 false,
10514 MultibufferSelectionMode::First,
10515 window,
10516 cx,
10517 );
10518 Navigated::Yes
10519 })
10520 }))
10521 }
10522
10523 /// Opens a multibuffer with the given project locations in it
10524 pub fn open_locations_in_multibuffer(
10525 workspace: &mut Workspace,
10526 mut locations: Vec<Location>,
10527 title: String,
10528 split: bool,
10529 multibuffer_selection_mode: MultibufferSelectionMode,
10530 window: &mut Window,
10531 cx: &mut Context<Workspace>,
10532 ) {
10533 // If there are multiple definitions, open them in a multibuffer
10534 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
10535 let mut locations = locations.into_iter().peekable();
10536 let mut ranges = Vec::new();
10537 let capability = workspace.project().read(cx).capability();
10538
10539 let excerpt_buffer = cx.new(|cx| {
10540 let mut multibuffer = MultiBuffer::new(capability);
10541 while let Some(location) = locations.next() {
10542 let buffer = location.buffer.read(cx);
10543 let mut ranges_for_buffer = Vec::new();
10544 let range = location.range.to_offset(buffer);
10545 ranges_for_buffer.push(range.clone());
10546
10547 while let Some(next_location) = locations.peek() {
10548 if next_location.buffer == location.buffer {
10549 ranges_for_buffer.push(next_location.range.to_offset(buffer));
10550 locations.next();
10551 } else {
10552 break;
10553 }
10554 }
10555
10556 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
10557 ranges.extend(multibuffer.push_excerpts_with_context_lines(
10558 location.buffer.clone(),
10559 ranges_for_buffer,
10560 DEFAULT_MULTIBUFFER_CONTEXT,
10561 cx,
10562 ))
10563 }
10564
10565 multibuffer.with_title(title)
10566 });
10567
10568 let editor = cx.new(|cx| {
10569 Editor::for_multibuffer(
10570 excerpt_buffer,
10571 Some(workspace.project().clone()),
10572 true,
10573 window,
10574 cx,
10575 )
10576 });
10577 editor.update(cx, |editor, cx| {
10578 match multibuffer_selection_mode {
10579 MultibufferSelectionMode::First => {
10580 if let Some(first_range) = ranges.first() {
10581 editor.change_selections(None, window, cx, |selections| {
10582 selections.clear_disjoint();
10583 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
10584 });
10585 }
10586 editor.highlight_background::<Self>(
10587 &ranges,
10588 |theme| theme.editor_highlighted_line_background,
10589 cx,
10590 );
10591 }
10592 MultibufferSelectionMode::All => {
10593 editor.change_selections(None, window, cx, |selections| {
10594 selections.clear_disjoint();
10595 selections.select_anchor_ranges(ranges);
10596 });
10597 }
10598 }
10599 editor.register_buffers_with_language_servers(cx);
10600 });
10601
10602 let item = Box::new(editor);
10603 let item_id = item.item_id();
10604
10605 if split {
10606 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
10607 } else {
10608 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
10609 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
10610 pane.close_current_preview_item(window, cx)
10611 } else {
10612 None
10613 }
10614 });
10615 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
10616 }
10617 workspace.active_pane().update(cx, |pane, cx| {
10618 pane.set_preview_item_id(Some(item_id), cx);
10619 });
10620 }
10621
10622 pub fn rename(
10623 &mut self,
10624 _: &Rename,
10625 window: &mut Window,
10626 cx: &mut Context<Self>,
10627 ) -> Option<Task<Result<()>>> {
10628 use language::ToOffset as _;
10629
10630 let provider = self.semantics_provider.clone()?;
10631 let selection = self.selections.newest_anchor().clone();
10632 let (cursor_buffer, cursor_buffer_position) = self
10633 .buffer
10634 .read(cx)
10635 .text_anchor_for_position(selection.head(), cx)?;
10636 let (tail_buffer, cursor_buffer_position_end) = self
10637 .buffer
10638 .read(cx)
10639 .text_anchor_for_position(selection.tail(), cx)?;
10640 if tail_buffer != cursor_buffer {
10641 return None;
10642 }
10643
10644 let snapshot = cursor_buffer.read(cx).snapshot();
10645 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
10646 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
10647 let prepare_rename = provider
10648 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
10649 .unwrap_or_else(|| Task::ready(Ok(None)));
10650 drop(snapshot);
10651
10652 Some(cx.spawn_in(window, |this, mut cx| async move {
10653 let rename_range = if let Some(range) = prepare_rename.await? {
10654 Some(range)
10655 } else {
10656 this.update(&mut cx, |this, cx| {
10657 let buffer = this.buffer.read(cx).snapshot(cx);
10658 let mut buffer_highlights = this
10659 .document_highlights_for_position(selection.head(), &buffer)
10660 .filter(|highlight| {
10661 highlight.start.excerpt_id == selection.head().excerpt_id
10662 && highlight.end.excerpt_id == selection.head().excerpt_id
10663 });
10664 buffer_highlights
10665 .next()
10666 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
10667 })?
10668 };
10669 if let Some(rename_range) = rename_range {
10670 this.update_in(&mut cx, |this, window, cx| {
10671 let snapshot = cursor_buffer.read(cx).snapshot();
10672 let rename_buffer_range = rename_range.to_offset(&snapshot);
10673 let cursor_offset_in_rename_range =
10674 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
10675 let cursor_offset_in_rename_range_end =
10676 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
10677
10678 this.take_rename(false, window, cx);
10679 let buffer = this.buffer.read(cx).read(cx);
10680 let cursor_offset = selection.head().to_offset(&buffer);
10681 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
10682 let rename_end = rename_start + rename_buffer_range.len();
10683 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
10684 let mut old_highlight_id = None;
10685 let old_name: Arc<str> = buffer
10686 .chunks(rename_start..rename_end, true)
10687 .map(|chunk| {
10688 if old_highlight_id.is_none() {
10689 old_highlight_id = chunk.syntax_highlight_id;
10690 }
10691 chunk.text
10692 })
10693 .collect::<String>()
10694 .into();
10695
10696 drop(buffer);
10697
10698 // Position the selection in the rename editor so that it matches the current selection.
10699 this.show_local_selections = false;
10700 let rename_editor = cx.new(|cx| {
10701 let mut editor = Editor::single_line(window, cx);
10702 editor.buffer.update(cx, |buffer, cx| {
10703 buffer.edit([(0..0, old_name.clone())], None, cx)
10704 });
10705 let rename_selection_range = match cursor_offset_in_rename_range
10706 .cmp(&cursor_offset_in_rename_range_end)
10707 {
10708 Ordering::Equal => {
10709 editor.select_all(&SelectAll, window, cx);
10710 return editor;
10711 }
10712 Ordering::Less => {
10713 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
10714 }
10715 Ordering::Greater => {
10716 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
10717 }
10718 };
10719 if rename_selection_range.end > old_name.len() {
10720 editor.select_all(&SelectAll, window, cx);
10721 } else {
10722 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10723 s.select_ranges([rename_selection_range]);
10724 });
10725 }
10726 editor
10727 });
10728 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
10729 if e == &EditorEvent::Focused {
10730 cx.emit(EditorEvent::FocusedIn)
10731 }
10732 })
10733 .detach();
10734
10735 let write_highlights =
10736 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
10737 let read_highlights =
10738 this.clear_background_highlights::<DocumentHighlightRead>(cx);
10739 let ranges = write_highlights
10740 .iter()
10741 .flat_map(|(_, ranges)| ranges.iter())
10742 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
10743 .cloned()
10744 .collect();
10745
10746 this.highlight_text::<Rename>(
10747 ranges,
10748 HighlightStyle {
10749 fade_out: Some(0.6),
10750 ..Default::default()
10751 },
10752 cx,
10753 );
10754 let rename_focus_handle = rename_editor.focus_handle(cx);
10755 window.focus(&rename_focus_handle);
10756 let block_id = this.insert_blocks(
10757 [BlockProperties {
10758 style: BlockStyle::Flex,
10759 placement: BlockPlacement::Below(range.start),
10760 height: 1,
10761 render: Arc::new({
10762 let rename_editor = rename_editor.clone();
10763 move |cx: &mut BlockContext| {
10764 let mut text_style = cx.editor_style.text.clone();
10765 if let Some(highlight_style) = old_highlight_id
10766 .and_then(|h| h.style(&cx.editor_style.syntax))
10767 {
10768 text_style = text_style.highlight(highlight_style);
10769 }
10770 div()
10771 .block_mouse_down()
10772 .pl(cx.anchor_x)
10773 .child(EditorElement::new(
10774 &rename_editor,
10775 EditorStyle {
10776 background: cx.theme().system().transparent,
10777 local_player: cx.editor_style.local_player,
10778 text: text_style,
10779 scrollbar_width: cx.editor_style.scrollbar_width,
10780 syntax: cx.editor_style.syntax.clone(),
10781 status: cx.editor_style.status.clone(),
10782 inlay_hints_style: HighlightStyle {
10783 font_weight: Some(FontWeight::BOLD),
10784 ..make_inlay_hints_style(cx.app)
10785 },
10786 inline_completion_styles: make_suggestion_styles(
10787 cx.app,
10788 ),
10789 ..EditorStyle::default()
10790 },
10791 ))
10792 .into_any_element()
10793 }
10794 }),
10795 priority: 0,
10796 }],
10797 Some(Autoscroll::fit()),
10798 cx,
10799 )[0];
10800 this.pending_rename = Some(RenameState {
10801 range,
10802 old_name,
10803 editor: rename_editor,
10804 block_id,
10805 });
10806 })?;
10807 }
10808
10809 Ok(())
10810 }))
10811 }
10812
10813 pub fn confirm_rename(
10814 &mut self,
10815 _: &ConfirmRename,
10816 window: &mut Window,
10817 cx: &mut Context<Self>,
10818 ) -> Option<Task<Result<()>>> {
10819 let rename = self.take_rename(false, window, cx)?;
10820 let workspace = self.workspace()?.downgrade();
10821 let (buffer, start) = self
10822 .buffer
10823 .read(cx)
10824 .text_anchor_for_position(rename.range.start, cx)?;
10825 let (end_buffer, _) = self
10826 .buffer
10827 .read(cx)
10828 .text_anchor_for_position(rename.range.end, cx)?;
10829 if buffer != end_buffer {
10830 return None;
10831 }
10832
10833 let old_name = rename.old_name;
10834 let new_name = rename.editor.read(cx).text(cx);
10835
10836 let rename = self.semantics_provider.as_ref()?.perform_rename(
10837 &buffer,
10838 start,
10839 new_name.clone(),
10840 cx,
10841 )?;
10842
10843 Some(cx.spawn_in(window, |editor, mut cx| async move {
10844 let project_transaction = rename.await?;
10845 Self::open_project_transaction(
10846 &editor,
10847 workspace,
10848 project_transaction,
10849 format!("Rename: {} → {}", old_name, new_name),
10850 cx.clone(),
10851 )
10852 .await?;
10853
10854 editor.update(&mut cx, |editor, cx| {
10855 editor.refresh_document_highlights(cx);
10856 })?;
10857 Ok(())
10858 }))
10859 }
10860
10861 fn take_rename(
10862 &mut self,
10863 moving_cursor: bool,
10864 window: &mut Window,
10865 cx: &mut Context<Self>,
10866 ) -> Option<RenameState> {
10867 let rename = self.pending_rename.take()?;
10868 if rename.editor.focus_handle(cx).is_focused(window) {
10869 window.focus(&self.focus_handle);
10870 }
10871
10872 self.remove_blocks(
10873 [rename.block_id].into_iter().collect(),
10874 Some(Autoscroll::fit()),
10875 cx,
10876 );
10877 self.clear_highlights::<Rename>(cx);
10878 self.show_local_selections = true;
10879
10880 if moving_cursor {
10881 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
10882 editor.selections.newest::<usize>(cx).head()
10883 });
10884
10885 // Update the selection to match the position of the selection inside
10886 // the rename editor.
10887 let snapshot = self.buffer.read(cx).read(cx);
10888 let rename_range = rename.range.to_offset(&snapshot);
10889 let cursor_in_editor = snapshot
10890 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
10891 .min(rename_range.end);
10892 drop(snapshot);
10893
10894 self.change_selections(None, window, cx, |s| {
10895 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
10896 });
10897 } else {
10898 self.refresh_document_highlights(cx);
10899 }
10900
10901 Some(rename)
10902 }
10903
10904 pub fn pending_rename(&self) -> Option<&RenameState> {
10905 self.pending_rename.as_ref()
10906 }
10907
10908 fn format(
10909 &mut self,
10910 _: &Format,
10911 window: &mut Window,
10912 cx: &mut Context<Self>,
10913 ) -> Option<Task<Result<()>>> {
10914 let project = match &self.project {
10915 Some(project) => project.clone(),
10916 None => return None,
10917 };
10918
10919 Some(self.perform_format(
10920 project,
10921 FormatTrigger::Manual,
10922 FormatTarget::Buffers,
10923 window,
10924 cx,
10925 ))
10926 }
10927
10928 fn format_selections(
10929 &mut self,
10930 _: &FormatSelections,
10931 window: &mut Window,
10932 cx: &mut Context<Self>,
10933 ) -> Option<Task<Result<()>>> {
10934 let project = match &self.project {
10935 Some(project) => project.clone(),
10936 None => return None,
10937 };
10938
10939 let ranges = self
10940 .selections
10941 .all_adjusted(cx)
10942 .into_iter()
10943 .map(|selection| selection.range())
10944 .collect_vec();
10945
10946 Some(self.perform_format(
10947 project,
10948 FormatTrigger::Manual,
10949 FormatTarget::Ranges(ranges),
10950 window,
10951 cx,
10952 ))
10953 }
10954
10955 fn perform_format(
10956 &mut self,
10957 project: Entity<Project>,
10958 trigger: FormatTrigger,
10959 target: FormatTarget,
10960 window: &mut Window,
10961 cx: &mut Context<Self>,
10962 ) -> Task<Result<()>> {
10963 let buffer = self.buffer.clone();
10964 let (buffers, target) = match target {
10965 FormatTarget::Buffers => {
10966 let mut buffers = buffer.read(cx).all_buffers();
10967 if trigger == FormatTrigger::Save {
10968 buffers.retain(|buffer| buffer.read(cx).is_dirty());
10969 }
10970 (buffers, LspFormatTarget::Buffers)
10971 }
10972 FormatTarget::Ranges(selection_ranges) => {
10973 let multi_buffer = buffer.read(cx);
10974 let snapshot = multi_buffer.read(cx);
10975 let mut buffers = HashSet::default();
10976 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
10977 BTreeMap::new();
10978 for selection_range in selection_ranges {
10979 for (buffer, buffer_range, _) in
10980 snapshot.range_to_buffer_ranges(selection_range)
10981 {
10982 let buffer_id = buffer.remote_id();
10983 let start = buffer.anchor_before(buffer_range.start);
10984 let end = buffer.anchor_after(buffer_range.end);
10985 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
10986 buffer_id_to_ranges
10987 .entry(buffer_id)
10988 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
10989 .or_insert_with(|| vec![start..end]);
10990 }
10991 }
10992 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
10993 }
10994 };
10995
10996 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
10997 let format = project.update(cx, |project, cx| {
10998 project.format(buffers, target, true, trigger, cx)
10999 });
11000
11001 cx.spawn_in(window, |_, mut cx| async move {
11002 let transaction = futures::select_biased! {
11003 () = timeout => {
11004 log::warn!("timed out waiting for formatting");
11005 None
11006 }
11007 transaction = format.log_err().fuse() => transaction,
11008 };
11009
11010 buffer
11011 .update(&mut cx, |buffer, cx| {
11012 if let Some(transaction) = transaction {
11013 if !buffer.is_singleton() {
11014 buffer.push_transaction(&transaction.0, cx);
11015 }
11016 }
11017
11018 cx.notify();
11019 })
11020 .ok();
11021
11022 Ok(())
11023 })
11024 }
11025
11026 fn restart_language_server(
11027 &mut self,
11028 _: &RestartLanguageServer,
11029 _: &mut Window,
11030 cx: &mut Context<Self>,
11031 ) {
11032 if let Some(project) = self.project.clone() {
11033 self.buffer.update(cx, |multi_buffer, cx| {
11034 project.update(cx, |project, cx| {
11035 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11036 });
11037 })
11038 }
11039 }
11040
11041 fn cancel_language_server_work(
11042 &mut self,
11043 _: &actions::CancelLanguageServerWork,
11044 _: &mut Window,
11045 cx: &mut Context<Self>,
11046 ) {
11047 if let Some(project) = self.project.clone() {
11048 self.buffer.update(cx, |multi_buffer, cx| {
11049 project.update(cx, |project, cx| {
11050 project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
11051 });
11052 })
11053 }
11054 }
11055
11056 fn show_character_palette(
11057 &mut self,
11058 _: &ShowCharacterPalette,
11059 window: &mut Window,
11060 _: &mut Context<Self>,
11061 ) {
11062 window.show_character_palette();
11063 }
11064
11065 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11066 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11067 let buffer = self.buffer.read(cx).snapshot(cx);
11068 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11069 let is_valid = buffer
11070 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone())
11071 .any(|entry| {
11072 entry.diagnostic.is_primary
11073 && !entry.range.is_empty()
11074 && entry.range.start == primary_range_start
11075 && entry.diagnostic.message == active_diagnostics.primary_message
11076 });
11077
11078 if is_valid != active_diagnostics.is_valid {
11079 active_diagnostics.is_valid = is_valid;
11080 let mut new_styles = HashMap::default();
11081 for (block_id, diagnostic) in &active_diagnostics.blocks {
11082 new_styles.insert(
11083 *block_id,
11084 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11085 );
11086 }
11087 self.display_map.update(cx, |display_map, _cx| {
11088 display_map.replace_blocks(new_styles)
11089 });
11090 }
11091 }
11092 }
11093
11094 fn activate_diagnostics(
11095 &mut self,
11096 buffer_id: BufferId,
11097 group_id: usize,
11098 window: &mut Window,
11099 cx: &mut Context<Self>,
11100 ) {
11101 self.dismiss_diagnostics(cx);
11102 let snapshot = self.snapshot(window, cx);
11103 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11104 let buffer = self.buffer.read(cx).snapshot(cx);
11105
11106 let mut primary_range = None;
11107 let mut primary_message = None;
11108 let diagnostic_group = buffer
11109 .diagnostic_group(buffer_id, group_id)
11110 .filter_map(|entry| {
11111 let start = entry.range.start;
11112 let end = entry.range.end;
11113 if snapshot.is_line_folded(MultiBufferRow(start.row))
11114 && (start.row == end.row
11115 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11116 {
11117 return None;
11118 }
11119 if entry.diagnostic.is_primary {
11120 primary_range = Some(entry.range.clone());
11121 primary_message = Some(entry.diagnostic.message.clone());
11122 }
11123 Some(entry)
11124 })
11125 .collect::<Vec<_>>();
11126 let primary_range = primary_range?;
11127 let primary_message = primary_message?;
11128
11129 let blocks = display_map
11130 .insert_blocks(
11131 diagnostic_group.iter().map(|entry| {
11132 let diagnostic = entry.diagnostic.clone();
11133 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11134 BlockProperties {
11135 style: BlockStyle::Fixed,
11136 placement: BlockPlacement::Below(
11137 buffer.anchor_after(entry.range.start),
11138 ),
11139 height: message_height,
11140 render: diagnostic_block_renderer(diagnostic, None, true, true),
11141 priority: 0,
11142 }
11143 }),
11144 cx,
11145 )
11146 .into_iter()
11147 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11148 .collect();
11149
11150 Some(ActiveDiagnosticGroup {
11151 primary_range: buffer.anchor_before(primary_range.start)
11152 ..buffer.anchor_after(primary_range.end),
11153 primary_message,
11154 group_id,
11155 blocks,
11156 is_valid: true,
11157 })
11158 });
11159 }
11160
11161 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11162 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11163 self.display_map.update(cx, |display_map, cx| {
11164 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11165 });
11166 cx.notify();
11167 }
11168 }
11169
11170 pub fn set_selections_from_remote(
11171 &mut self,
11172 selections: Vec<Selection<Anchor>>,
11173 pending_selection: Option<Selection<Anchor>>,
11174 window: &mut Window,
11175 cx: &mut Context<Self>,
11176 ) {
11177 let old_cursor_position = self.selections.newest_anchor().head();
11178 self.selections.change_with(cx, |s| {
11179 s.select_anchors(selections);
11180 if let Some(pending_selection) = pending_selection {
11181 s.set_pending(pending_selection, SelectMode::Character);
11182 } else {
11183 s.clear_pending();
11184 }
11185 });
11186 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11187 }
11188
11189 fn push_to_selection_history(&mut self) {
11190 self.selection_history.push(SelectionHistoryEntry {
11191 selections: self.selections.disjoint_anchors(),
11192 select_next_state: self.select_next_state.clone(),
11193 select_prev_state: self.select_prev_state.clone(),
11194 add_selections_state: self.add_selections_state.clone(),
11195 });
11196 }
11197
11198 pub fn transact(
11199 &mut self,
11200 window: &mut Window,
11201 cx: &mut Context<Self>,
11202 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11203 ) -> Option<TransactionId> {
11204 self.start_transaction_at(Instant::now(), window, cx);
11205 update(self, window, cx);
11206 self.end_transaction_at(Instant::now(), cx)
11207 }
11208
11209 pub fn start_transaction_at(
11210 &mut self,
11211 now: Instant,
11212 window: &mut Window,
11213 cx: &mut Context<Self>,
11214 ) {
11215 self.end_selection(window, cx);
11216 if let Some(tx_id) = self
11217 .buffer
11218 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11219 {
11220 self.selection_history
11221 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11222 cx.emit(EditorEvent::TransactionBegun {
11223 transaction_id: tx_id,
11224 })
11225 }
11226 }
11227
11228 pub fn end_transaction_at(
11229 &mut self,
11230 now: Instant,
11231 cx: &mut Context<Self>,
11232 ) -> Option<TransactionId> {
11233 if let Some(transaction_id) = self
11234 .buffer
11235 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11236 {
11237 if let Some((_, end_selections)) =
11238 self.selection_history.transaction_mut(transaction_id)
11239 {
11240 *end_selections = Some(self.selections.disjoint_anchors());
11241 } else {
11242 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11243 }
11244
11245 cx.emit(EditorEvent::Edited { transaction_id });
11246 Some(transaction_id)
11247 } else {
11248 None
11249 }
11250 }
11251
11252 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11253 if self.selection_mark_mode {
11254 self.change_selections(None, window, cx, |s| {
11255 s.move_with(|_, sel| {
11256 sel.collapse_to(sel.head(), SelectionGoal::None);
11257 });
11258 })
11259 }
11260 self.selection_mark_mode = true;
11261 cx.notify();
11262 }
11263
11264 pub fn swap_selection_ends(
11265 &mut self,
11266 _: &actions::SwapSelectionEnds,
11267 window: &mut Window,
11268 cx: &mut Context<Self>,
11269 ) {
11270 self.change_selections(None, window, cx, |s| {
11271 s.move_with(|_, sel| {
11272 if sel.start != sel.end {
11273 sel.reversed = !sel.reversed
11274 }
11275 });
11276 });
11277 self.request_autoscroll(Autoscroll::newest(), cx);
11278 cx.notify();
11279 }
11280
11281 pub fn toggle_fold(
11282 &mut self,
11283 _: &actions::ToggleFold,
11284 window: &mut Window,
11285 cx: &mut Context<Self>,
11286 ) {
11287 if self.is_singleton(cx) {
11288 let selection = self.selections.newest::<Point>(cx);
11289
11290 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11291 let range = if selection.is_empty() {
11292 let point = selection.head().to_display_point(&display_map);
11293 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11294 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11295 .to_point(&display_map);
11296 start..end
11297 } else {
11298 selection.range()
11299 };
11300 if display_map.folds_in_range(range).next().is_some() {
11301 self.unfold_lines(&Default::default(), window, cx)
11302 } else {
11303 self.fold(&Default::default(), window, cx)
11304 }
11305 } else {
11306 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11307 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11308 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11309 .map(|(snapshot, _, _)| snapshot.remote_id())
11310 .collect();
11311
11312 for buffer_id in buffer_ids {
11313 if self.is_buffer_folded(buffer_id, cx) {
11314 self.unfold_buffer(buffer_id, cx);
11315 } else {
11316 self.fold_buffer(buffer_id, cx);
11317 }
11318 }
11319 }
11320 }
11321
11322 pub fn toggle_fold_recursive(
11323 &mut self,
11324 _: &actions::ToggleFoldRecursive,
11325 window: &mut Window,
11326 cx: &mut Context<Self>,
11327 ) {
11328 let selection = self.selections.newest::<Point>(cx);
11329
11330 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11331 let range = if selection.is_empty() {
11332 let point = selection.head().to_display_point(&display_map);
11333 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11334 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11335 .to_point(&display_map);
11336 start..end
11337 } else {
11338 selection.range()
11339 };
11340 if display_map.folds_in_range(range).next().is_some() {
11341 self.unfold_recursive(&Default::default(), window, cx)
11342 } else {
11343 self.fold_recursive(&Default::default(), window, cx)
11344 }
11345 }
11346
11347 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11348 if self.is_singleton(cx) {
11349 let mut to_fold = Vec::new();
11350 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11351 let selections = self.selections.all_adjusted(cx);
11352
11353 for selection in selections {
11354 let range = selection.range().sorted();
11355 let buffer_start_row = range.start.row;
11356
11357 if range.start.row != range.end.row {
11358 let mut found = false;
11359 let mut row = range.start.row;
11360 while row <= range.end.row {
11361 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11362 {
11363 found = true;
11364 row = crease.range().end.row + 1;
11365 to_fold.push(crease);
11366 } else {
11367 row += 1
11368 }
11369 }
11370 if found {
11371 continue;
11372 }
11373 }
11374
11375 for row in (0..=range.start.row).rev() {
11376 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11377 if crease.range().end.row >= buffer_start_row {
11378 to_fold.push(crease);
11379 if row <= range.start.row {
11380 break;
11381 }
11382 }
11383 }
11384 }
11385 }
11386
11387 self.fold_creases(to_fold, true, window, cx);
11388 } else {
11389 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11390
11391 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11392 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11393 .map(|(snapshot, _, _)| snapshot.remote_id())
11394 .collect();
11395 for buffer_id in buffer_ids {
11396 self.fold_buffer(buffer_id, cx);
11397 }
11398 }
11399 }
11400
11401 fn fold_at_level(
11402 &mut self,
11403 fold_at: &FoldAtLevel,
11404 window: &mut Window,
11405 cx: &mut Context<Self>,
11406 ) {
11407 if !self.buffer.read(cx).is_singleton() {
11408 return;
11409 }
11410
11411 let fold_at_level = fold_at.level;
11412 let snapshot = self.buffer.read(cx).snapshot(cx);
11413 let mut to_fold = Vec::new();
11414 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11415
11416 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11417 while start_row < end_row {
11418 match self
11419 .snapshot(window, cx)
11420 .crease_for_buffer_row(MultiBufferRow(start_row))
11421 {
11422 Some(crease) => {
11423 let nested_start_row = crease.range().start.row + 1;
11424 let nested_end_row = crease.range().end.row;
11425
11426 if current_level < fold_at_level {
11427 stack.push((nested_start_row, nested_end_row, current_level + 1));
11428 } else if current_level == fold_at_level {
11429 to_fold.push(crease);
11430 }
11431
11432 start_row = nested_end_row + 1;
11433 }
11434 None => start_row += 1,
11435 }
11436 }
11437 }
11438
11439 self.fold_creases(to_fold, true, window, cx);
11440 }
11441
11442 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
11443 if self.buffer.read(cx).is_singleton() {
11444 let mut fold_ranges = Vec::new();
11445 let snapshot = self.buffer.read(cx).snapshot(cx);
11446
11447 for row in 0..snapshot.max_row().0 {
11448 if let Some(foldable_range) = self
11449 .snapshot(window, cx)
11450 .crease_for_buffer_row(MultiBufferRow(row))
11451 {
11452 fold_ranges.push(foldable_range);
11453 }
11454 }
11455
11456 self.fold_creases(fold_ranges, true, window, cx);
11457 } else {
11458 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
11459 editor
11460 .update_in(&mut cx, |editor, _, cx| {
11461 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11462 editor.fold_buffer(buffer_id, cx);
11463 }
11464 })
11465 .ok();
11466 });
11467 }
11468 }
11469
11470 pub fn fold_function_bodies(
11471 &mut self,
11472 _: &actions::FoldFunctionBodies,
11473 window: &mut Window,
11474 cx: &mut Context<Self>,
11475 ) {
11476 let snapshot = self.buffer.read(cx).snapshot(cx);
11477
11478 let ranges = snapshot
11479 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
11480 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
11481 .collect::<Vec<_>>();
11482
11483 let creases = ranges
11484 .into_iter()
11485 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
11486 .collect();
11487
11488 self.fold_creases(creases, true, window, cx);
11489 }
11490
11491 pub fn fold_recursive(
11492 &mut self,
11493 _: &actions::FoldRecursive,
11494 window: &mut Window,
11495 cx: &mut Context<Self>,
11496 ) {
11497 let mut to_fold = Vec::new();
11498 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11499 let selections = self.selections.all_adjusted(cx);
11500
11501 for selection in selections {
11502 let range = selection.range().sorted();
11503 let buffer_start_row = range.start.row;
11504
11505 if range.start.row != range.end.row {
11506 let mut found = false;
11507 for row in range.start.row..=range.end.row {
11508 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11509 found = true;
11510 to_fold.push(crease);
11511 }
11512 }
11513 if found {
11514 continue;
11515 }
11516 }
11517
11518 for row in (0..=range.start.row).rev() {
11519 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11520 if crease.range().end.row >= buffer_start_row {
11521 to_fold.push(crease);
11522 } else {
11523 break;
11524 }
11525 }
11526 }
11527 }
11528
11529 self.fold_creases(to_fold, true, window, cx);
11530 }
11531
11532 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
11533 let buffer_row = fold_at.buffer_row;
11534 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11535
11536 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
11537 let autoscroll = self
11538 .selections
11539 .all::<Point>(cx)
11540 .iter()
11541 .any(|selection| crease.range().overlaps(&selection.range()));
11542
11543 self.fold_creases(vec![crease], autoscroll, window, cx);
11544 }
11545 }
11546
11547 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
11548 if self.is_singleton(cx) {
11549 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11550 let buffer = &display_map.buffer_snapshot;
11551 let selections = self.selections.all::<Point>(cx);
11552 let ranges = selections
11553 .iter()
11554 .map(|s| {
11555 let range = s.display_range(&display_map).sorted();
11556 let mut start = range.start.to_point(&display_map);
11557 let mut end = range.end.to_point(&display_map);
11558 start.column = 0;
11559 end.column = buffer.line_len(MultiBufferRow(end.row));
11560 start..end
11561 })
11562 .collect::<Vec<_>>();
11563
11564 self.unfold_ranges(&ranges, true, true, cx);
11565 } else {
11566 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11567 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11568 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11569 .map(|(snapshot, _, _)| snapshot.remote_id())
11570 .collect();
11571 for buffer_id in buffer_ids {
11572 self.unfold_buffer(buffer_id, cx);
11573 }
11574 }
11575 }
11576
11577 pub fn unfold_recursive(
11578 &mut self,
11579 _: &UnfoldRecursive,
11580 _window: &mut Window,
11581 cx: &mut Context<Self>,
11582 ) {
11583 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11584 let selections = self.selections.all::<Point>(cx);
11585 let ranges = selections
11586 .iter()
11587 .map(|s| {
11588 let mut range = s.display_range(&display_map).sorted();
11589 *range.start.column_mut() = 0;
11590 *range.end.column_mut() = display_map.line_len(range.end.row());
11591 let start = range.start.to_point(&display_map);
11592 let end = range.end.to_point(&display_map);
11593 start..end
11594 })
11595 .collect::<Vec<_>>();
11596
11597 self.unfold_ranges(&ranges, true, true, cx);
11598 }
11599
11600 pub fn unfold_at(
11601 &mut self,
11602 unfold_at: &UnfoldAt,
11603 _window: &mut Window,
11604 cx: &mut Context<Self>,
11605 ) {
11606 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11607
11608 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
11609 ..Point::new(
11610 unfold_at.buffer_row.0,
11611 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
11612 );
11613
11614 let autoscroll = self
11615 .selections
11616 .all::<Point>(cx)
11617 .iter()
11618 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
11619
11620 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
11621 }
11622
11623 pub fn unfold_all(
11624 &mut self,
11625 _: &actions::UnfoldAll,
11626 _window: &mut Window,
11627 cx: &mut Context<Self>,
11628 ) {
11629 if self.buffer.read(cx).is_singleton() {
11630 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11631 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
11632 } else {
11633 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
11634 editor
11635 .update(&mut cx, |editor, cx| {
11636 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11637 editor.unfold_buffer(buffer_id, cx);
11638 }
11639 })
11640 .ok();
11641 });
11642 }
11643 }
11644
11645 pub fn fold_selected_ranges(
11646 &mut self,
11647 _: &FoldSelectedRanges,
11648 window: &mut Window,
11649 cx: &mut Context<Self>,
11650 ) {
11651 let selections = self.selections.all::<Point>(cx);
11652 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11653 let line_mode = self.selections.line_mode;
11654 let ranges = selections
11655 .into_iter()
11656 .map(|s| {
11657 if line_mode {
11658 let start = Point::new(s.start.row, 0);
11659 let end = Point::new(
11660 s.end.row,
11661 display_map
11662 .buffer_snapshot
11663 .line_len(MultiBufferRow(s.end.row)),
11664 );
11665 Crease::simple(start..end, display_map.fold_placeholder.clone())
11666 } else {
11667 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
11668 }
11669 })
11670 .collect::<Vec<_>>();
11671 self.fold_creases(ranges, true, window, cx);
11672 }
11673
11674 pub fn fold_ranges<T: ToOffset + Clone>(
11675 &mut self,
11676 ranges: Vec<Range<T>>,
11677 auto_scroll: bool,
11678 window: &mut Window,
11679 cx: &mut Context<Self>,
11680 ) {
11681 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11682 let ranges = ranges
11683 .into_iter()
11684 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
11685 .collect::<Vec<_>>();
11686 self.fold_creases(ranges, auto_scroll, window, cx);
11687 }
11688
11689 pub fn fold_creases<T: ToOffset + Clone>(
11690 &mut self,
11691 creases: Vec<Crease<T>>,
11692 auto_scroll: bool,
11693 window: &mut Window,
11694 cx: &mut Context<Self>,
11695 ) {
11696 if creases.is_empty() {
11697 return;
11698 }
11699
11700 let mut buffers_affected = HashSet::default();
11701 let multi_buffer = self.buffer().read(cx);
11702 for crease in &creases {
11703 if let Some((_, buffer, _)) =
11704 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
11705 {
11706 buffers_affected.insert(buffer.read(cx).remote_id());
11707 };
11708 }
11709
11710 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
11711
11712 if auto_scroll {
11713 self.request_autoscroll(Autoscroll::fit(), cx);
11714 }
11715
11716 cx.notify();
11717
11718 if let Some(active_diagnostics) = self.active_diagnostics.take() {
11719 // Clear diagnostics block when folding a range that contains it.
11720 let snapshot = self.snapshot(window, cx);
11721 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
11722 drop(snapshot);
11723 self.active_diagnostics = Some(active_diagnostics);
11724 self.dismiss_diagnostics(cx);
11725 } else {
11726 self.active_diagnostics = Some(active_diagnostics);
11727 }
11728 }
11729
11730 self.scrollbar_marker_state.dirty = true;
11731 }
11732
11733 /// Removes any folds whose ranges intersect any of the given ranges.
11734 pub fn unfold_ranges<T: ToOffset + Clone>(
11735 &mut self,
11736 ranges: &[Range<T>],
11737 inclusive: bool,
11738 auto_scroll: bool,
11739 cx: &mut Context<Self>,
11740 ) {
11741 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11742 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
11743 });
11744 }
11745
11746 pub fn fold_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 folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11754 self.display_map
11755 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
11756 cx.emit(EditorEvent::BufferFoldToggled {
11757 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
11758 folded: true,
11759 });
11760 cx.notify();
11761 }
11762
11763 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11764 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
11765 return;
11766 }
11767 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11768 return;
11769 };
11770 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11771 self.display_map.update(cx, |display_map, cx| {
11772 display_map.unfold_buffer(buffer_id, cx);
11773 });
11774 cx.emit(EditorEvent::BufferFoldToggled {
11775 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
11776 folded: false,
11777 });
11778 cx.notify();
11779 }
11780
11781 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
11782 self.display_map.read(cx).is_buffer_folded(buffer)
11783 }
11784
11785 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
11786 self.display_map.read(cx).folded_buffers()
11787 }
11788
11789 /// Removes any folds with the given ranges.
11790 pub fn remove_folds_with_type<T: ToOffset + Clone>(
11791 &mut self,
11792 ranges: &[Range<T>],
11793 type_id: TypeId,
11794 auto_scroll: bool,
11795 cx: &mut Context<Self>,
11796 ) {
11797 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11798 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
11799 });
11800 }
11801
11802 fn remove_folds_with<T: ToOffset + Clone>(
11803 &mut self,
11804 ranges: &[Range<T>],
11805 auto_scroll: bool,
11806 cx: &mut Context<Self>,
11807 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
11808 ) {
11809 if ranges.is_empty() {
11810 return;
11811 }
11812
11813 let mut buffers_affected = HashSet::default();
11814 let multi_buffer = self.buffer().read(cx);
11815 for range in ranges {
11816 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
11817 buffers_affected.insert(buffer.read(cx).remote_id());
11818 };
11819 }
11820
11821 self.display_map.update(cx, update);
11822
11823 if auto_scroll {
11824 self.request_autoscroll(Autoscroll::fit(), cx);
11825 }
11826
11827 cx.notify();
11828 self.scrollbar_marker_state.dirty = true;
11829 self.active_indent_guides_state.dirty = true;
11830 }
11831
11832 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
11833 self.display_map.read(cx).fold_placeholder.clone()
11834 }
11835
11836 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
11837 self.buffer.update(cx, |buffer, cx| {
11838 buffer.set_all_diff_hunks_expanded(cx);
11839 });
11840 }
11841
11842 pub fn expand_all_diff_hunks(
11843 &mut self,
11844 _: &ExpandAllHunkDiffs,
11845 _window: &mut Window,
11846 cx: &mut Context<Self>,
11847 ) {
11848 self.buffer.update(cx, |buffer, cx| {
11849 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
11850 });
11851 }
11852
11853 pub fn toggle_selected_diff_hunks(
11854 &mut self,
11855 _: &ToggleSelectedDiffHunks,
11856 _window: &mut Window,
11857 cx: &mut Context<Self>,
11858 ) {
11859 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11860 self.toggle_diff_hunks_in_ranges(ranges, cx);
11861 }
11862
11863 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
11864 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11865 self.buffer
11866 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
11867 }
11868
11869 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
11870 self.buffer.update(cx, |buffer, cx| {
11871 let ranges = vec![Anchor::min()..Anchor::max()];
11872 if !buffer.all_diff_hunks_expanded()
11873 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
11874 {
11875 buffer.collapse_diff_hunks(ranges, cx);
11876 true
11877 } else {
11878 false
11879 }
11880 })
11881 }
11882
11883 fn toggle_diff_hunks_in_ranges(
11884 &mut self,
11885 ranges: Vec<Range<Anchor>>,
11886 cx: &mut Context<'_, Editor>,
11887 ) {
11888 self.buffer.update(cx, |buffer, cx| {
11889 if buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx) {
11890 buffer.collapse_diff_hunks(ranges, cx)
11891 } else {
11892 buffer.expand_diff_hunks(ranges, cx)
11893 }
11894 })
11895 }
11896
11897 pub(crate) fn apply_all_diff_hunks(
11898 &mut self,
11899 _: &ApplyAllDiffHunks,
11900 window: &mut Window,
11901 cx: &mut Context<Self>,
11902 ) {
11903 let buffers = self.buffer.read(cx).all_buffers();
11904 for branch_buffer in buffers {
11905 branch_buffer.update(cx, |branch_buffer, cx| {
11906 branch_buffer.merge_into_base(Vec::new(), cx);
11907 });
11908 }
11909
11910 if let Some(project) = self.project.clone() {
11911 self.save(true, project, window, cx).detach_and_log_err(cx);
11912 }
11913 }
11914
11915 pub(crate) fn apply_selected_diff_hunks(
11916 &mut self,
11917 _: &ApplyDiffHunk,
11918 window: &mut Window,
11919 cx: &mut Context<Self>,
11920 ) {
11921 let snapshot = self.snapshot(window, cx);
11922 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
11923 let mut ranges_by_buffer = HashMap::default();
11924 self.transact(window, cx, |editor, _window, cx| {
11925 for hunk in hunks {
11926 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
11927 ranges_by_buffer
11928 .entry(buffer.clone())
11929 .or_insert_with(Vec::new)
11930 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
11931 }
11932 }
11933
11934 for (buffer, ranges) in ranges_by_buffer {
11935 buffer.update(cx, |buffer, cx| {
11936 buffer.merge_into_base(ranges, cx);
11937 });
11938 }
11939 });
11940
11941 if let Some(project) = self.project.clone() {
11942 self.save(true, project, window, cx).detach_and_log_err(cx);
11943 }
11944 }
11945
11946 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
11947 if hovered != self.gutter_hovered {
11948 self.gutter_hovered = hovered;
11949 cx.notify();
11950 }
11951 }
11952
11953 pub fn insert_blocks(
11954 &mut self,
11955 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
11956 autoscroll: Option<Autoscroll>,
11957 cx: &mut Context<Self>,
11958 ) -> Vec<CustomBlockId> {
11959 let blocks = self
11960 .display_map
11961 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
11962 if let Some(autoscroll) = autoscroll {
11963 self.request_autoscroll(autoscroll, cx);
11964 }
11965 cx.notify();
11966 blocks
11967 }
11968
11969 pub fn resize_blocks(
11970 &mut self,
11971 heights: HashMap<CustomBlockId, u32>,
11972 autoscroll: Option<Autoscroll>,
11973 cx: &mut Context<Self>,
11974 ) {
11975 self.display_map
11976 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
11977 if let Some(autoscroll) = autoscroll {
11978 self.request_autoscroll(autoscroll, cx);
11979 }
11980 cx.notify();
11981 }
11982
11983 pub fn replace_blocks(
11984 &mut self,
11985 renderers: HashMap<CustomBlockId, RenderBlock>,
11986 autoscroll: Option<Autoscroll>,
11987 cx: &mut Context<Self>,
11988 ) {
11989 self.display_map
11990 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
11991 if let Some(autoscroll) = autoscroll {
11992 self.request_autoscroll(autoscroll, cx);
11993 }
11994 cx.notify();
11995 }
11996
11997 pub fn remove_blocks(
11998 &mut self,
11999 block_ids: HashSet<CustomBlockId>,
12000 autoscroll: Option<Autoscroll>,
12001 cx: &mut Context<Self>,
12002 ) {
12003 self.display_map.update(cx, |display_map, cx| {
12004 display_map.remove_blocks(block_ids, cx)
12005 });
12006 if let Some(autoscroll) = autoscroll {
12007 self.request_autoscroll(autoscroll, cx);
12008 }
12009 cx.notify();
12010 }
12011
12012 pub fn row_for_block(
12013 &self,
12014 block_id: CustomBlockId,
12015 cx: &mut Context<Self>,
12016 ) -> Option<DisplayRow> {
12017 self.display_map
12018 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12019 }
12020
12021 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12022 self.focused_block = Some(focused_block);
12023 }
12024
12025 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12026 self.focused_block.take()
12027 }
12028
12029 pub fn insert_creases(
12030 &mut self,
12031 creases: impl IntoIterator<Item = Crease<Anchor>>,
12032 cx: &mut Context<Self>,
12033 ) -> Vec<CreaseId> {
12034 self.display_map
12035 .update(cx, |map, cx| map.insert_creases(creases, cx))
12036 }
12037
12038 pub fn remove_creases(
12039 &mut self,
12040 ids: impl IntoIterator<Item = CreaseId>,
12041 cx: &mut Context<Self>,
12042 ) {
12043 self.display_map
12044 .update(cx, |map, cx| map.remove_creases(ids, cx));
12045 }
12046
12047 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12048 self.display_map
12049 .update(cx, |map, cx| map.snapshot(cx))
12050 .longest_row()
12051 }
12052
12053 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12054 self.display_map
12055 .update(cx, |map, cx| map.snapshot(cx))
12056 .max_point()
12057 }
12058
12059 pub fn text(&self, cx: &App) -> String {
12060 self.buffer.read(cx).read(cx).text()
12061 }
12062
12063 pub fn text_option(&self, cx: &App) -> Option<String> {
12064 let text = self.text(cx);
12065 let text = text.trim();
12066
12067 if text.is_empty() {
12068 return None;
12069 }
12070
12071 Some(text.to_string())
12072 }
12073
12074 pub fn set_text(
12075 &mut self,
12076 text: impl Into<Arc<str>>,
12077 window: &mut Window,
12078 cx: &mut Context<Self>,
12079 ) {
12080 self.transact(window, cx, |this, _, cx| {
12081 this.buffer
12082 .read(cx)
12083 .as_singleton()
12084 .expect("you can only call set_text on editors for singleton buffers")
12085 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12086 });
12087 }
12088
12089 pub fn display_text(&self, cx: &mut App) -> String {
12090 self.display_map
12091 .update(cx, |map, cx| map.snapshot(cx))
12092 .text()
12093 }
12094
12095 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12096 let mut wrap_guides = smallvec::smallvec![];
12097
12098 if self.show_wrap_guides == Some(false) {
12099 return wrap_guides;
12100 }
12101
12102 let settings = self.buffer.read(cx).settings_at(0, cx);
12103 if settings.show_wrap_guides {
12104 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12105 wrap_guides.push((soft_wrap as usize, true));
12106 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12107 wrap_guides.push((soft_wrap as usize, true));
12108 }
12109 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12110 }
12111
12112 wrap_guides
12113 }
12114
12115 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12116 let settings = self.buffer.read(cx).settings_at(0, cx);
12117 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12118 match mode {
12119 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12120 SoftWrap::None
12121 }
12122 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12123 language_settings::SoftWrap::PreferredLineLength => {
12124 SoftWrap::Column(settings.preferred_line_length)
12125 }
12126 language_settings::SoftWrap::Bounded => {
12127 SoftWrap::Bounded(settings.preferred_line_length)
12128 }
12129 }
12130 }
12131
12132 pub fn set_soft_wrap_mode(
12133 &mut self,
12134 mode: language_settings::SoftWrap,
12135
12136 cx: &mut Context<Self>,
12137 ) {
12138 self.soft_wrap_mode_override = Some(mode);
12139 cx.notify();
12140 }
12141
12142 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12143 self.text_style_refinement = Some(style);
12144 }
12145
12146 /// called by the Element so we know what style we were most recently rendered with.
12147 pub(crate) fn set_style(
12148 &mut self,
12149 style: EditorStyle,
12150 window: &mut Window,
12151 cx: &mut Context<Self>,
12152 ) {
12153 let rem_size = window.rem_size();
12154 self.display_map.update(cx, |map, cx| {
12155 map.set_font(
12156 style.text.font(),
12157 style.text.font_size.to_pixels(rem_size),
12158 cx,
12159 )
12160 });
12161 self.style = Some(style);
12162 }
12163
12164 pub fn style(&self) -> Option<&EditorStyle> {
12165 self.style.as_ref()
12166 }
12167
12168 // Called by the element. This method is not designed to be called outside of the editor
12169 // element's layout code because it does not notify when rewrapping is computed synchronously.
12170 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12171 self.display_map
12172 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12173 }
12174
12175 pub fn set_soft_wrap(&mut self) {
12176 self.soft_wrap_mode_override = Some(language_settings::SoftWrap::EditorWidth)
12177 }
12178
12179 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12180 if self.soft_wrap_mode_override.is_some() {
12181 self.soft_wrap_mode_override.take();
12182 } else {
12183 let soft_wrap = match self.soft_wrap_mode(cx) {
12184 SoftWrap::GitDiff => return,
12185 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12186 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12187 language_settings::SoftWrap::None
12188 }
12189 };
12190 self.soft_wrap_mode_override = Some(soft_wrap);
12191 }
12192 cx.notify();
12193 }
12194
12195 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12196 let Some(workspace) = self.workspace() else {
12197 return;
12198 };
12199 let fs = workspace.read(cx).app_state().fs.clone();
12200 let current_show = TabBarSettings::get_global(cx).show;
12201 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12202 setting.show = Some(!current_show);
12203 });
12204 }
12205
12206 pub fn toggle_indent_guides(
12207 &mut self,
12208 _: &ToggleIndentGuides,
12209 _: &mut Window,
12210 cx: &mut Context<Self>,
12211 ) {
12212 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12213 self.buffer
12214 .read(cx)
12215 .settings_at(0, cx)
12216 .indent_guides
12217 .enabled
12218 });
12219 self.show_indent_guides = Some(!currently_enabled);
12220 cx.notify();
12221 }
12222
12223 fn should_show_indent_guides(&self) -> Option<bool> {
12224 self.show_indent_guides
12225 }
12226
12227 pub fn toggle_line_numbers(
12228 &mut self,
12229 _: &ToggleLineNumbers,
12230 _: &mut Window,
12231 cx: &mut Context<Self>,
12232 ) {
12233 let mut editor_settings = EditorSettings::get_global(cx).clone();
12234 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12235 EditorSettings::override_global(editor_settings, cx);
12236 }
12237
12238 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12239 self.use_relative_line_numbers
12240 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12241 }
12242
12243 pub fn toggle_relative_line_numbers(
12244 &mut self,
12245 _: &ToggleRelativeLineNumbers,
12246 _: &mut Window,
12247 cx: &mut Context<Self>,
12248 ) {
12249 let is_relative = self.should_use_relative_line_numbers(cx);
12250 self.set_relative_line_number(Some(!is_relative), cx)
12251 }
12252
12253 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12254 self.use_relative_line_numbers = is_relative;
12255 cx.notify();
12256 }
12257
12258 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12259 self.show_gutter = show_gutter;
12260 cx.notify();
12261 }
12262
12263 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12264 self.show_scrollbars = show_scrollbars;
12265 cx.notify();
12266 }
12267
12268 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12269 self.show_line_numbers = Some(show_line_numbers);
12270 cx.notify();
12271 }
12272
12273 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12274 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12275 cx.notify();
12276 }
12277
12278 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12279 self.show_code_actions = Some(show_code_actions);
12280 cx.notify();
12281 }
12282
12283 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12284 self.show_runnables = Some(show_runnables);
12285 cx.notify();
12286 }
12287
12288 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12289 if self.display_map.read(cx).masked != masked {
12290 self.display_map.update(cx, |map, _| map.masked = masked);
12291 }
12292 cx.notify()
12293 }
12294
12295 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12296 self.show_wrap_guides = Some(show_wrap_guides);
12297 cx.notify();
12298 }
12299
12300 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12301 self.show_indent_guides = Some(show_indent_guides);
12302 cx.notify();
12303 }
12304
12305 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12306 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12307 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12308 if let Some(dir) = file.abs_path(cx).parent() {
12309 return Some(dir.to_owned());
12310 }
12311 }
12312
12313 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12314 return Some(project_path.path.to_path_buf());
12315 }
12316 }
12317
12318 None
12319 }
12320
12321 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12322 self.active_excerpt(cx)?
12323 .1
12324 .read(cx)
12325 .file()
12326 .and_then(|f| f.as_local())
12327 }
12328
12329 fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12330 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12331 let project_path = buffer.read(cx).project_path(cx)?;
12332 let project = self.project.as_ref()?.read(cx);
12333 project.absolute_path(&project_path, cx)
12334 })
12335 }
12336
12337 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12338 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12339 let project_path = buffer.read(cx).project_path(cx)?;
12340 let project = self.project.as_ref()?.read(cx);
12341 let entry = project.entry_for_path(&project_path, cx)?;
12342 let path = entry.path.to_path_buf();
12343 Some(path)
12344 })
12345 }
12346
12347 pub fn reveal_in_finder(
12348 &mut self,
12349 _: &RevealInFileManager,
12350 _window: &mut Window,
12351 cx: &mut Context<Self>,
12352 ) {
12353 if let Some(target) = self.target_file(cx) {
12354 cx.reveal_path(&target.abs_path(cx));
12355 }
12356 }
12357
12358 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12359 if let Some(path) = self.target_file_abs_path(cx) {
12360 if let Some(path) = path.to_str() {
12361 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12362 }
12363 }
12364 }
12365
12366 pub fn copy_relative_path(
12367 &mut self,
12368 _: &CopyRelativePath,
12369 _window: &mut Window,
12370 cx: &mut Context<Self>,
12371 ) {
12372 if let Some(path) = self.target_file_path(cx) {
12373 if let Some(path) = path.to_str() {
12374 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12375 }
12376 }
12377 }
12378
12379 pub fn toggle_git_blame(
12380 &mut self,
12381 _: &ToggleGitBlame,
12382 window: &mut Window,
12383 cx: &mut Context<Self>,
12384 ) {
12385 self.show_git_blame_gutter = !self.show_git_blame_gutter;
12386
12387 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
12388 self.start_git_blame(true, window, cx);
12389 }
12390
12391 cx.notify();
12392 }
12393
12394 pub fn toggle_git_blame_inline(
12395 &mut self,
12396 _: &ToggleGitBlameInline,
12397 window: &mut Window,
12398 cx: &mut Context<Self>,
12399 ) {
12400 self.toggle_git_blame_inline_internal(true, window, cx);
12401 cx.notify();
12402 }
12403
12404 pub fn git_blame_inline_enabled(&self) -> bool {
12405 self.git_blame_inline_enabled
12406 }
12407
12408 pub fn toggle_selection_menu(
12409 &mut self,
12410 _: &ToggleSelectionMenu,
12411 _: &mut Window,
12412 cx: &mut Context<Self>,
12413 ) {
12414 self.show_selection_menu = self
12415 .show_selection_menu
12416 .map(|show_selections_menu| !show_selections_menu)
12417 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
12418
12419 cx.notify();
12420 }
12421
12422 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
12423 self.show_selection_menu
12424 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
12425 }
12426
12427 fn start_git_blame(
12428 &mut self,
12429 user_triggered: bool,
12430 window: &mut Window,
12431 cx: &mut Context<Self>,
12432 ) {
12433 if let Some(project) = self.project.as_ref() {
12434 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
12435 return;
12436 };
12437
12438 if buffer.read(cx).file().is_none() {
12439 return;
12440 }
12441
12442 let focused = self.focus_handle(cx).contains_focused(window, cx);
12443
12444 let project = project.clone();
12445 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
12446 self.blame_subscription =
12447 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
12448 self.blame = Some(blame);
12449 }
12450 }
12451
12452 fn toggle_git_blame_inline_internal(
12453 &mut self,
12454 user_triggered: bool,
12455 window: &mut Window,
12456 cx: &mut Context<Self>,
12457 ) {
12458 if self.git_blame_inline_enabled {
12459 self.git_blame_inline_enabled = false;
12460 self.show_git_blame_inline = false;
12461 self.show_git_blame_inline_delay_task.take();
12462 } else {
12463 self.git_blame_inline_enabled = true;
12464 self.start_git_blame_inline(user_triggered, window, cx);
12465 }
12466
12467 cx.notify();
12468 }
12469
12470 fn start_git_blame_inline(
12471 &mut self,
12472 user_triggered: bool,
12473 window: &mut Window,
12474 cx: &mut Context<Self>,
12475 ) {
12476 self.start_git_blame(user_triggered, window, cx);
12477
12478 if ProjectSettings::get_global(cx)
12479 .git
12480 .inline_blame_delay()
12481 .is_some()
12482 {
12483 self.start_inline_blame_timer(window, cx);
12484 } else {
12485 self.show_git_blame_inline = true
12486 }
12487 }
12488
12489 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
12490 self.blame.as_ref()
12491 }
12492
12493 pub fn show_git_blame_gutter(&self) -> bool {
12494 self.show_git_blame_gutter
12495 }
12496
12497 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
12498 self.show_git_blame_gutter && self.has_blame_entries(cx)
12499 }
12500
12501 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
12502 self.show_git_blame_inline
12503 && self.focus_handle.is_focused(window)
12504 && !self.newest_selection_head_on_empty_line(cx)
12505 && self.has_blame_entries(cx)
12506 }
12507
12508 fn has_blame_entries(&self, cx: &App) -> bool {
12509 self.blame()
12510 .map_or(false, |blame| blame.read(cx).has_generated_entries())
12511 }
12512
12513 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
12514 let cursor_anchor = self.selections.newest_anchor().head();
12515
12516 let snapshot = self.buffer.read(cx).snapshot(cx);
12517 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
12518
12519 snapshot.line_len(buffer_row) == 0
12520 }
12521
12522 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
12523 let buffer_and_selection = maybe!({
12524 let selection = self.selections.newest::<Point>(cx);
12525 let selection_range = selection.range();
12526
12527 let multi_buffer = self.buffer().read(cx);
12528 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
12529 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
12530
12531 let (buffer, range, _) = if selection.reversed {
12532 buffer_ranges.first()
12533 } else {
12534 buffer_ranges.last()
12535 }?;
12536
12537 let selection = text::ToPoint::to_point(&range.start, &buffer).row
12538 ..text::ToPoint::to_point(&range.end, &buffer).row;
12539 Some((
12540 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
12541 selection,
12542 ))
12543 });
12544
12545 let Some((buffer, selection)) = buffer_and_selection else {
12546 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
12547 };
12548
12549 let Some(project) = self.project.as_ref() else {
12550 return Task::ready(Err(anyhow!("editor does not have project")));
12551 };
12552
12553 project.update(cx, |project, cx| {
12554 project.get_permalink_to_line(&buffer, selection, cx)
12555 })
12556 }
12557
12558 pub fn copy_permalink_to_line(
12559 &mut self,
12560 _: &CopyPermalinkToLine,
12561 window: &mut Window,
12562 cx: &mut Context<Self>,
12563 ) {
12564 let permalink_task = self.get_permalink_to_line(cx);
12565 let workspace = self.workspace();
12566
12567 cx.spawn_in(window, |_, mut cx| async move {
12568 match permalink_task.await {
12569 Ok(permalink) => {
12570 cx.update(|_, cx| {
12571 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
12572 })
12573 .ok();
12574 }
12575 Err(err) => {
12576 let message = format!("Failed to copy permalink: {err}");
12577
12578 Err::<(), anyhow::Error>(err).log_err();
12579
12580 if let Some(workspace) = workspace {
12581 workspace
12582 .update_in(&mut cx, |workspace, _, cx| {
12583 struct CopyPermalinkToLine;
12584
12585 workspace.show_toast(
12586 Toast::new(
12587 NotificationId::unique::<CopyPermalinkToLine>(),
12588 message,
12589 ),
12590 cx,
12591 )
12592 })
12593 .ok();
12594 }
12595 }
12596 }
12597 })
12598 .detach();
12599 }
12600
12601 pub fn copy_file_location(
12602 &mut self,
12603 _: &CopyFileLocation,
12604 _: &mut Window,
12605 cx: &mut Context<Self>,
12606 ) {
12607 let selection = self.selections.newest::<Point>(cx).start.row + 1;
12608 if let Some(file) = self.target_file(cx) {
12609 if let Some(path) = file.path().to_str() {
12610 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
12611 }
12612 }
12613 }
12614
12615 pub fn open_permalink_to_line(
12616 &mut self,
12617 _: &OpenPermalinkToLine,
12618 window: &mut Window,
12619 cx: &mut Context<Self>,
12620 ) {
12621 let permalink_task = self.get_permalink_to_line(cx);
12622 let workspace = self.workspace();
12623
12624 cx.spawn_in(window, |_, mut cx| async move {
12625 match permalink_task.await {
12626 Ok(permalink) => {
12627 cx.update(|_, cx| {
12628 cx.open_url(permalink.as_ref());
12629 })
12630 .ok();
12631 }
12632 Err(err) => {
12633 let message = format!("Failed to open permalink: {err}");
12634
12635 Err::<(), anyhow::Error>(err).log_err();
12636
12637 if let Some(workspace) = workspace {
12638 workspace
12639 .update(&mut cx, |workspace, cx| {
12640 struct OpenPermalinkToLine;
12641
12642 workspace.show_toast(
12643 Toast::new(
12644 NotificationId::unique::<OpenPermalinkToLine>(),
12645 message,
12646 ),
12647 cx,
12648 )
12649 })
12650 .ok();
12651 }
12652 }
12653 }
12654 })
12655 .detach();
12656 }
12657
12658 pub fn insert_uuid_v4(
12659 &mut self,
12660 _: &InsertUuidV4,
12661 window: &mut Window,
12662 cx: &mut Context<Self>,
12663 ) {
12664 self.insert_uuid(UuidVersion::V4, window, cx);
12665 }
12666
12667 pub fn insert_uuid_v7(
12668 &mut self,
12669 _: &InsertUuidV7,
12670 window: &mut Window,
12671 cx: &mut Context<Self>,
12672 ) {
12673 self.insert_uuid(UuidVersion::V7, window, cx);
12674 }
12675
12676 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
12677 self.transact(window, cx, |this, window, cx| {
12678 let edits = this
12679 .selections
12680 .all::<Point>(cx)
12681 .into_iter()
12682 .map(|selection| {
12683 let uuid = match version {
12684 UuidVersion::V4 => uuid::Uuid::new_v4(),
12685 UuidVersion::V7 => uuid::Uuid::now_v7(),
12686 };
12687
12688 (selection.range(), uuid.to_string())
12689 });
12690 this.edit(edits, cx);
12691 this.refresh_inline_completion(true, false, window, cx);
12692 });
12693 }
12694
12695 pub fn open_selections_in_multibuffer(
12696 &mut self,
12697 _: &OpenSelectionsInMultibuffer,
12698 window: &mut Window,
12699 cx: &mut Context<Self>,
12700 ) {
12701 let multibuffer = self.buffer.read(cx);
12702
12703 let Some(buffer) = multibuffer.as_singleton() else {
12704 return;
12705 };
12706
12707 let Some(workspace) = self.workspace() else {
12708 return;
12709 };
12710
12711 let locations = self
12712 .selections
12713 .disjoint_anchors()
12714 .iter()
12715 .map(|range| Location {
12716 buffer: buffer.clone(),
12717 range: range.start.text_anchor..range.end.text_anchor,
12718 })
12719 .collect::<Vec<_>>();
12720
12721 let title = multibuffer.title(cx).to_string();
12722
12723 cx.spawn_in(window, |_, mut cx| async move {
12724 workspace.update_in(&mut cx, |workspace, window, cx| {
12725 Self::open_locations_in_multibuffer(
12726 workspace,
12727 locations,
12728 format!("Selections for '{title}'"),
12729 false,
12730 MultibufferSelectionMode::All,
12731 window,
12732 cx,
12733 );
12734 })
12735 })
12736 .detach();
12737 }
12738
12739 /// Adds a row highlight for the given range. If a row has multiple highlights, the
12740 /// last highlight added will be used.
12741 ///
12742 /// If the range ends at the beginning of a line, then that line will not be highlighted.
12743 pub fn highlight_rows<T: 'static>(
12744 &mut self,
12745 range: Range<Anchor>,
12746 color: Hsla,
12747 should_autoscroll: bool,
12748 cx: &mut Context<Self>,
12749 ) {
12750 let snapshot = self.buffer().read(cx).snapshot(cx);
12751 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12752 let ix = row_highlights.binary_search_by(|highlight| {
12753 Ordering::Equal
12754 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
12755 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
12756 });
12757
12758 if let Err(mut ix) = ix {
12759 let index = post_inc(&mut self.highlight_order);
12760
12761 // If this range intersects with the preceding highlight, then merge it with
12762 // the preceding highlight. Otherwise insert a new highlight.
12763 let mut merged = false;
12764 if ix > 0 {
12765 let prev_highlight = &mut row_highlights[ix - 1];
12766 if prev_highlight
12767 .range
12768 .end
12769 .cmp(&range.start, &snapshot)
12770 .is_ge()
12771 {
12772 ix -= 1;
12773 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
12774 prev_highlight.range.end = range.end;
12775 }
12776 merged = true;
12777 prev_highlight.index = index;
12778 prev_highlight.color = color;
12779 prev_highlight.should_autoscroll = should_autoscroll;
12780 }
12781 }
12782
12783 if !merged {
12784 row_highlights.insert(
12785 ix,
12786 RowHighlight {
12787 range: range.clone(),
12788 index,
12789 color,
12790 should_autoscroll,
12791 },
12792 );
12793 }
12794
12795 // If any of the following highlights intersect with this one, merge them.
12796 while let Some(next_highlight) = row_highlights.get(ix + 1) {
12797 let highlight = &row_highlights[ix];
12798 if next_highlight
12799 .range
12800 .start
12801 .cmp(&highlight.range.end, &snapshot)
12802 .is_le()
12803 {
12804 if next_highlight
12805 .range
12806 .end
12807 .cmp(&highlight.range.end, &snapshot)
12808 .is_gt()
12809 {
12810 row_highlights[ix].range.end = next_highlight.range.end;
12811 }
12812 row_highlights.remove(ix + 1);
12813 } else {
12814 break;
12815 }
12816 }
12817 }
12818 }
12819
12820 /// Remove any highlighted row ranges of the given type that intersect the
12821 /// given ranges.
12822 pub fn remove_highlighted_rows<T: 'static>(
12823 &mut self,
12824 ranges_to_remove: Vec<Range<Anchor>>,
12825 cx: &mut Context<Self>,
12826 ) {
12827 let snapshot = self.buffer().read(cx).snapshot(cx);
12828 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12829 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
12830 row_highlights.retain(|highlight| {
12831 while let Some(range_to_remove) = ranges_to_remove.peek() {
12832 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
12833 Ordering::Less | Ordering::Equal => {
12834 ranges_to_remove.next();
12835 }
12836 Ordering::Greater => {
12837 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
12838 Ordering::Less | Ordering::Equal => {
12839 return false;
12840 }
12841 Ordering::Greater => break,
12842 }
12843 }
12844 }
12845 }
12846
12847 true
12848 })
12849 }
12850
12851 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
12852 pub fn clear_row_highlights<T: 'static>(&mut self) {
12853 self.highlighted_rows.remove(&TypeId::of::<T>());
12854 }
12855
12856 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
12857 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
12858 self.highlighted_rows
12859 .get(&TypeId::of::<T>())
12860 .map_or(&[] as &[_], |vec| vec.as_slice())
12861 .iter()
12862 .map(|highlight| (highlight.range.clone(), highlight.color))
12863 }
12864
12865 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
12866 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
12867 /// Allows to ignore certain kinds of highlights.
12868 pub fn highlighted_display_rows(
12869 &self,
12870 window: &mut Window,
12871 cx: &mut App,
12872 ) -> BTreeMap<DisplayRow, Hsla> {
12873 let snapshot = self.snapshot(window, cx);
12874 let mut used_highlight_orders = HashMap::default();
12875 self.highlighted_rows
12876 .iter()
12877 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
12878 .fold(
12879 BTreeMap::<DisplayRow, Hsla>::new(),
12880 |mut unique_rows, highlight| {
12881 let start = highlight.range.start.to_display_point(&snapshot);
12882 let end = highlight.range.end.to_display_point(&snapshot);
12883 let start_row = start.row().0;
12884 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
12885 && end.column() == 0
12886 {
12887 end.row().0.saturating_sub(1)
12888 } else {
12889 end.row().0
12890 };
12891 for row in start_row..=end_row {
12892 let used_index =
12893 used_highlight_orders.entry(row).or_insert(highlight.index);
12894 if highlight.index >= *used_index {
12895 *used_index = highlight.index;
12896 unique_rows.insert(DisplayRow(row), highlight.color);
12897 }
12898 }
12899 unique_rows
12900 },
12901 )
12902 }
12903
12904 pub fn highlighted_display_row_for_autoscroll(
12905 &self,
12906 snapshot: &DisplaySnapshot,
12907 ) -> Option<DisplayRow> {
12908 self.highlighted_rows
12909 .values()
12910 .flat_map(|highlighted_rows| highlighted_rows.iter())
12911 .filter_map(|highlight| {
12912 if highlight.should_autoscroll {
12913 Some(highlight.range.start.to_display_point(snapshot).row())
12914 } else {
12915 None
12916 }
12917 })
12918 .min()
12919 }
12920
12921 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
12922 self.highlight_background::<SearchWithinRange>(
12923 ranges,
12924 |colors| colors.editor_document_highlight_read_background,
12925 cx,
12926 )
12927 }
12928
12929 pub fn set_breadcrumb_header(&mut self, new_header: String) {
12930 self.breadcrumb_header = Some(new_header);
12931 }
12932
12933 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
12934 self.clear_background_highlights::<SearchWithinRange>(cx);
12935 }
12936
12937 pub fn highlight_background<T: 'static>(
12938 &mut self,
12939 ranges: &[Range<Anchor>],
12940 color_fetcher: fn(&ThemeColors) -> Hsla,
12941 cx: &mut Context<Self>,
12942 ) {
12943 self.background_highlights
12944 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12945 self.scrollbar_marker_state.dirty = true;
12946 cx.notify();
12947 }
12948
12949 pub fn clear_background_highlights<T: 'static>(
12950 &mut self,
12951 cx: &mut Context<Self>,
12952 ) -> Option<BackgroundHighlight> {
12953 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
12954 if !text_highlights.1.is_empty() {
12955 self.scrollbar_marker_state.dirty = true;
12956 cx.notify();
12957 }
12958 Some(text_highlights)
12959 }
12960
12961 pub fn highlight_gutter<T: 'static>(
12962 &mut self,
12963 ranges: &[Range<Anchor>],
12964 color_fetcher: fn(&App) -> Hsla,
12965 cx: &mut Context<Self>,
12966 ) {
12967 self.gutter_highlights
12968 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12969 cx.notify();
12970 }
12971
12972 pub fn clear_gutter_highlights<T: 'static>(
12973 &mut self,
12974 cx: &mut Context<Self>,
12975 ) -> Option<GutterHighlight> {
12976 cx.notify();
12977 self.gutter_highlights.remove(&TypeId::of::<T>())
12978 }
12979
12980 #[cfg(feature = "test-support")]
12981 pub fn all_text_background_highlights(
12982 &self,
12983 window: &mut Window,
12984 cx: &mut Context<Self>,
12985 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
12986 let snapshot = self.snapshot(window, cx);
12987 let buffer = &snapshot.buffer_snapshot;
12988 let start = buffer.anchor_before(0);
12989 let end = buffer.anchor_after(buffer.len());
12990 let theme = cx.theme().colors();
12991 self.background_highlights_in_range(start..end, &snapshot, theme)
12992 }
12993
12994 #[cfg(feature = "test-support")]
12995 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
12996 let snapshot = self.buffer().read(cx).snapshot(cx);
12997
12998 let highlights = self
12999 .background_highlights
13000 .get(&TypeId::of::<items::BufferSearchHighlights>());
13001
13002 if let Some((_color, ranges)) = highlights {
13003 ranges
13004 .iter()
13005 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
13006 .collect_vec()
13007 } else {
13008 vec![]
13009 }
13010 }
13011
13012 fn document_highlights_for_position<'a>(
13013 &'a self,
13014 position: Anchor,
13015 buffer: &'a MultiBufferSnapshot,
13016 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13017 let read_highlights = self
13018 .background_highlights
13019 .get(&TypeId::of::<DocumentHighlightRead>())
13020 .map(|h| &h.1);
13021 let write_highlights = self
13022 .background_highlights
13023 .get(&TypeId::of::<DocumentHighlightWrite>())
13024 .map(|h| &h.1);
13025 let left_position = position.bias_left(buffer);
13026 let right_position = position.bias_right(buffer);
13027 read_highlights
13028 .into_iter()
13029 .chain(write_highlights)
13030 .flat_map(move |ranges| {
13031 let start_ix = match ranges.binary_search_by(|probe| {
13032 let cmp = probe.end.cmp(&left_position, buffer);
13033 if cmp.is_ge() {
13034 Ordering::Greater
13035 } else {
13036 Ordering::Less
13037 }
13038 }) {
13039 Ok(i) | Err(i) => i,
13040 };
13041
13042 ranges[start_ix..]
13043 .iter()
13044 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13045 })
13046 }
13047
13048 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13049 self.background_highlights
13050 .get(&TypeId::of::<T>())
13051 .map_or(false, |(_, highlights)| !highlights.is_empty())
13052 }
13053
13054 pub fn background_highlights_in_range(
13055 &self,
13056 search_range: Range<Anchor>,
13057 display_snapshot: &DisplaySnapshot,
13058 theme: &ThemeColors,
13059 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13060 let mut results = Vec::new();
13061 for (color_fetcher, ranges) in self.background_highlights.values() {
13062 let color = color_fetcher(theme);
13063 let start_ix = match ranges.binary_search_by(|probe| {
13064 let cmp = probe
13065 .end
13066 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13067 if cmp.is_gt() {
13068 Ordering::Greater
13069 } else {
13070 Ordering::Less
13071 }
13072 }) {
13073 Ok(i) | Err(i) => i,
13074 };
13075 for range in &ranges[start_ix..] {
13076 if range
13077 .start
13078 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13079 .is_ge()
13080 {
13081 break;
13082 }
13083
13084 let start = range.start.to_display_point(display_snapshot);
13085 let end = range.end.to_display_point(display_snapshot);
13086 results.push((start..end, color))
13087 }
13088 }
13089 results
13090 }
13091
13092 pub fn background_highlight_row_ranges<T: 'static>(
13093 &self,
13094 search_range: Range<Anchor>,
13095 display_snapshot: &DisplaySnapshot,
13096 count: usize,
13097 ) -> Vec<RangeInclusive<DisplayPoint>> {
13098 let mut results = Vec::new();
13099 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13100 return vec![];
13101 };
13102
13103 let start_ix = match ranges.binary_search_by(|probe| {
13104 let cmp = probe
13105 .end
13106 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13107 if cmp.is_gt() {
13108 Ordering::Greater
13109 } else {
13110 Ordering::Less
13111 }
13112 }) {
13113 Ok(i) | Err(i) => i,
13114 };
13115 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13116 if let (Some(start_display), Some(end_display)) = (start, end) {
13117 results.push(
13118 start_display.to_display_point(display_snapshot)
13119 ..=end_display.to_display_point(display_snapshot),
13120 );
13121 }
13122 };
13123 let mut start_row: Option<Point> = None;
13124 let mut end_row: Option<Point> = None;
13125 if ranges.len() > count {
13126 return Vec::new();
13127 }
13128 for range in &ranges[start_ix..] {
13129 if range
13130 .start
13131 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13132 .is_ge()
13133 {
13134 break;
13135 }
13136 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13137 if let Some(current_row) = &end_row {
13138 if end.row == current_row.row {
13139 continue;
13140 }
13141 }
13142 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13143 if start_row.is_none() {
13144 assert_eq!(end_row, None);
13145 start_row = Some(start);
13146 end_row = Some(end);
13147 continue;
13148 }
13149 if let Some(current_end) = end_row.as_mut() {
13150 if start.row > current_end.row + 1 {
13151 push_region(start_row, end_row);
13152 start_row = Some(start);
13153 end_row = Some(end);
13154 } else {
13155 // Merge two hunks.
13156 *current_end = end;
13157 }
13158 } else {
13159 unreachable!();
13160 }
13161 }
13162 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13163 push_region(start_row, end_row);
13164 results
13165 }
13166
13167 pub fn gutter_highlights_in_range(
13168 &self,
13169 search_range: Range<Anchor>,
13170 display_snapshot: &DisplaySnapshot,
13171 cx: &App,
13172 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13173 let mut results = Vec::new();
13174 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13175 let color = color_fetcher(cx);
13176 let start_ix = match ranges.binary_search_by(|probe| {
13177 let cmp = probe
13178 .end
13179 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13180 if cmp.is_gt() {
13181 Ordering::Greater
13182 } else {
13183 Ordering::Less
13184 }
13185 }) {
13186 Ok(i) | Err(i) => i,
13187 };
13188 for range in &ranges[start_ix..] {
13189 if range
13190 .start
13191 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13192 .is_ge()
13193 {
13194 break;
13195 }
13196
13197 let start = range.start.to_display_point(display_snapshot);
13198 let end = range.end.to_display_point(display_snapshot);
13199 results.push((start..end, color))
13200 }
13201 }
13202 results
13203 }
13204
13205 /// Get the text ranges corresponding to the redaction query
13206 pub fn redacted_ranges(
13207 &self,
13208 search_range: Range<Anchor>,
13209 display_snapshot: &DisplaySnapshot,
13210 cx: &App,
13211 ) -> Vec<Range<DisplayPoint>> {
13212 display_snapshot
13213 .buffer_snapshot
13214 .redacted_ranges(search_range, |file| {
13215 if let Some(file) = file {
13216 file.is_private()
13217 && EditorSettings::get(
13218 Some(SettingsLocation {
13219 worktree_id: file.worktree_id(cx),
13220 path: file.path().as_ref(),
13221 }),
13222 cx,
13223 )
13224 .redact_private_values
13225 } else {
13226 false
13227 }
13228 })
13229 .map(|range| {
13230 range.start.to_display_point(display_snapshot)
13231 ..range.end.to_display_point(display_snapshot)
13232 })
13233 .collect()
13234 }
13235
13236 pub fn highlight_text<T: 'static>(
13237 &mut self,
13238 ranges: Vec<Range<Anchor>>,
13239 style: HighlightStyle,
13240 cx: &mut Context<Self>,
13241 ) {
13242 self.display_map.update(cx, |map, _| {
13243 map.highlight_text(TypeId::of::<T>(), ranges, style)
13244 });
13245 cx.notify();
13246 }
13247
13248 pub(crate) fn highlight_inlays<T: 'static>(
13249 &mut self,
13250 highlights: Vec<InlayHighlight>,
13251 style: HighlightStyle,
13252 cx: &mut Context<Self>,
13253 ) {
13254 self.display_map.update(cx, |map, _| {
13255 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13256 });
13257 cx.notify();
13258 }
13259
13260 pub fn text_highlights<'a, T: 'static>(
13261 &'a self,
13262 cx: &'a App,
13263 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13264 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13265 }
13266
13267 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13268 let cleared = self
13269 .display_map
13270 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13271 if cleared {
13272 cx.notify();
13273 }
13274 }
13275
13276 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13277 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13278 && self.focus_handle.is_focused(window)
13279 }
13280
13281 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13282 self.show_cursor_when_unfocused = is_enabled;
13283 cx.notify();
13284 }
13285
13286 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13287 self.project
13288 .as_ref()
13289 .map(|project| project.read(cx).lsp_store())
13290 }
13291
13292 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13293 cx.notify();
13294 }
13295
13296 fn on_buffer_event(
13297 &mut self,
13298 multibuffer: &Entity<MultiBuffer>,
13299 event: &multi_buffer::Event,
13300 window: &mut Window,
13301 cx: &mut Context<Self>,
13302 ) {
13303 match event {
13304 multi_buffer::Event::Edited {
13305 singleton_buffer_edited,
13306 edited_buffer: buffer_edited,
13307 } => {
13308 self.scrollbar_marker_state.dirty = true;
13309 self.active_indent_guides_state.dirty = true;
13310 self.refresh_active_diagnostics(cx);
13311 self.refresh_code_actions(window, cx);
13312 if self.has_active_inline_completion() {
13313 self.update_visible_inline_completion(window, cx);
13314 }
13315 if let Some(buffer) = buffer_edited {
13316 let buffer_id = buffer.read(cx).remote_id();
13317 if !self.registered_buffers.contains_key(&buffer_id) {
13318 if let Some(lsp_store) = self.lsp_store(cx) {
13319 lsp_store.update(cx, |lsp_store, cx| {
13320 self.registered_buffers.insert(
13321 buffer_id,
13322 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13323 );
13324 })
13325 }
13326 }
13327 }
13328 cx.emit(EditorEvent::BufferEdited);
13329 cx.emit(SearchEvent::MatchesInvalidated);
13330 if *singleton_buffer_edited {
13331 if let Some(project) = &self.project {
13332 let project = project.read(cx);
13333 #[allow(clippy::mutable_key_type)]
13334 let languages_affected = multibuffer
13335 .read(cx)
13336 .all_buffers()
13337 .into_iter()
13338 .filter_map(|buffer| {
13339 let buffer = buffer.read(cx);
13340 let language = buffer.language()?;
13341 if project.is_local()
13342 && project
13343 .language_servers_for_local_buffer(buffer, cx)
13344 .count()
13345 == 0
13346 {
13347 None
13348 } else {
13349 Some(language)
13350 }
13351 })
13352 .cloned()
13353 .collect::<HashSet<_>>();
13354 if !languages_affected.is_empty() {
13355 self.refresh_inlay_hints(
13356 InlayHintRefreshReason::BufferEdited(languages_affected),
13357 cx,
13358 );
13359 }
13360 }
13361 }
13362
13363 let Some(project) = &self.project else { return };
13364 let (telemetry, is_via_ssh) = {
13365 let project = project.read(cx);
13366 let telemetry = project.client().telemetry().clone();
13367 let is_via_ssh = project.is_via_ssh();
13368 (telemetry, is_via_ssh)
13369 };
13370 refresh_linked_ranges(self, window, cx);
13371 telemetry.log_edit_event("editor", is_via_ssh);
13372 }
13373 multi_buffer::Event::ExcerptsAdded {
13374 buffer,
13375 predecessor,
13376 excerpts,
13377 } => {
13378 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13379 let buffer_id = buffer.read(cx).remote_id();
13380 if self.buffer.read(cx).change_set_for(buffer_id).is_none() {
13381 if let Some(project) = &self.project {
13382 get_unstaged_changes_for_buffers(
13383 project,
13384 [buffer.clone()],
13385 self.buffer.clone(),
13386 cx,
13387 );
13388 }
13389 }
13390 cx.emit(EditorEvent::ExcerptsAdded {
13391 buffer: buffer.clone(),
13392 predecessor: *predecessor,
13393 excerpts: excerpts.clone(),
13394 });
13395 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13396 }
13397 multi_buffer::Event::ExcerptsRemoved { ids } => {
13398 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
13399 let buffer = self.buffer.read(cx);
13400 self.registered_buffers
13401 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
13402 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
13403 }
13404 multi_buffer::Event::ExcerptsEdited { ids } => {
13405 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
13406 }
13407 multi_buffer::Event::ExcerptsExpanded { ids } => {
13408 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13409 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
13410 }
13411 multi_buffer::Event::Reparsed(buffer_id) => {
13412 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13413
13414 cx.emit(EditorEvent::Reparsed(*buffer_id));
13415 }
13416 multi_buffer::Event::DiffHunksToggled => {
13417 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13418 }
13419 multi_buffer::Event::LanguageChanged(buffer_id) => {
13420 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
13421 cx.emit(EditorEvent::Reparsed(*buffer_id));
13422 cx.notify();
13423 }
13424 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
13425 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
13426 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
13427 cx.emit(EditorEvent::TitleChanged)
13428 }
13429 // multi_buffer::Event::DiffBaseChanged => {
13430 // self.scrollbar_marker_state.dirty = true;
13431 // cx.emit(EditorEvent::DiffBaseChanged);
13432 // cx.notify();
13433 // }
13434 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
13435 multi_buffer::Event::DiagnosticsUpdated => {
13436 self.refresh_active_diagnostics(cx);
13437 self.scrollbar_marker_state.dirty = true;
13438 cx.notify();
13439 }
13440 _ => {}
13441 };
13442 }
13443
13444 fn on_display_map_changed(
13445 &mut self,
13446 _: Entity<DisplayMap>,
13447 _: &mut Window,
13448 cx: &mut Context<Self>,
13449 ) {
13450 cx.notify();
13451 }
13452
13453 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13454 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13455 self.refresh_inline_completion(true, false, window, cx);
13456 self.refresh_inlay_hints(
13457 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
13458 self.selections.newest_anchor().head(),
13459 &self.buffer.read(cx).snapshot(cx),
13460 cx,
13461 )),
13462 cx,
13463 );
13464
13465 let old_cursor_shape = self.cursor_shape;
13466
13467 {
13468 let editor_settings = EditorSettings::get_global(cx);
13469 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
13470 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
13471 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
13472 }
13473
13474 if old_cursor_shape != self.cursor_shape {
13475 cx.emit(EditorEvent::CursorShapeChanged);
13476 }
13477
13478 let project_settings = ProjectSettings::get_global(cx);
13479 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
13480
13481 if self.mode == EditorMode::Full {
13482 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
13483 if self.git_blame_inline_enabled != inline_blame_enabled {
13484 self.toggle_git_blame_inline_internal(false, window, cx);
13485 }
13486 }
13487
13488 cx.notify();
13489 }
13490
13491 pub fn set_searchable(&mut self, searchable: bool) {
13492 self.searchable = searchable;
13493 }
13494
13495 pub fn searchable(&self) -> bool {
13496 self.searchable
13497 }
13498
13499 fn open_proposed_changes_editor(
13500 &mut self,
13501 _: &OpenProposedChangesEditor,
13502 window: &mut Window,
13503 cx: &mut Context<Self>,
13504 ) {
13505 let Some(workspace) = self.workspace() else {
13506 cx.propagate();
13507 return;
13508 };
13509
13510 let selections = self.selections.all::<usize>(cx);
13511 let multi_buffer = self.buffer.read(cx);
13512 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13513 let mut new_selections_by_buffer = HashMap::default();
13514 for selection in selections {
13515 for (buffer, range, _) in
13516 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
13517 {
13518 let mut range = range.to_point(buffer);
13519 range.start.column = 0;
13520 range.end.column = buffer.line_len(range.end.row);
13521 new_selections_by_buffer
13522 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
13523 .or_insert(Vec::new())
13524 .push(range)
13525 }
13526 }
13527
13528 let proposed_changes_buffers = new_selections_by_buffer
13529 .into_iter()
13530 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
13531 .collect::<Vec<_>>();
13532 let proposed_changes_editor = cx.new(|cx| {
13533 ProposedChangesEditor::new(
13534 "Proposed changes",
13535 proposed_changes_buffers,
13536 self.project.clone(),
13537 window,
13538 cx,
13539 )
13540 });
13541
13542 window.defer(cx, move |window, cx| {
13543 workspace.update(cx, |workspace, cx| {
13544 workspace.active_pane().update(cx, |pane, cx| {
13545 pane.add_item(
13546 Box::new(proposed_changes_editor),
13547 true,
13548 true,
13549 None,
13550 window,
13551 cx,
13552 );
13553 });
13554 });
13555 });
13556 }
13557
13558 pub fn open_excerpts_in_split(
13559 &mut self,
13560 _: &OpenExcerptsSplit,
13561 window: &mut Window,
13562 cx: &mut Context<Self>,
13563 ) {
13564 self.open_excerpts_common(None, true, window, cx)
13565 }
13566
13567 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
13568 self.open_excerpts_common(None, false, window, cx)
13569 }
13570
13571 fn open_excerpts_common(
13572 &mut self,
13573 jump_data: Option<JumpData>,
13574 split: bool,
13575 window: &mut Window,
13576 cx: &mut Context<Self>,
13577 ) {
13578 let Some(workspace) = self.workspace() else {
13579 cx.propagate();
13580 return;
13581 };
13582
13583 if self.buffer.read(cx).is_singleton() {
13584 cx.propagate();
13585 return;
13586 }
13587
13588 let mut new_selections_by_buffer = HashMap::default();
13589 match &jump_data {
13590 Some(JumpData::MultiBufferPoint {
13591 excerpt_id,
13592 position,
13593 anchor,
13594 line_offset_from_top,
13595 }) => {
13596 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
13597 if let Some(buffer) = multi_buffer_snapshot
13598 .buffer_id_for_excerpt(*excerpt_id)
13599 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
13600 {
13601 let buffer_snapshot = buffer.read(cx).snapshot();
13602 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
13603 language::ToPoint::to_point(anchor, &buffer_snapshot)
13604 } else {
13605 buffer_snapshot.clip_point(*position, Bias::Left)
13606 };
13607 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
13608 new_selections_by_buffer.insert(
13609 buffer,
13610 (
13611 vec![jump_to_offset..jump_to_offset],
13612 Some(*line_offset_from_top),
13613 ),
13614 );
13615 }
13616 }
13617 Some(JumpData::MultiBufferRow {
13618 row,
13619 line_offset_from_top,
13620 }) => {
13621 let point = MultiBufferPoint::new(row.0, 0);
13622 if let Some((buffer, buffer_point, _)) =
13623 self.buffer.read(cx).point_to_buffer_point(point, cx)
13624 {
13625 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
13626 new_selections_by_buffer
13627 .entry(buffer)
13628 .or_insert((Vec::new(), Some(*line_offset_from_top)))
13629 .0
13630 .push(buffer_offset..buffer_offset)
13631 }
13632 }
13633 None => {
13634 let selections = self.selections.all::<usize>(cx);
13635 let multi_buffer = self.buffer.read(cx);
13636 for selection in selections {
13637 for (buffer, mut range, _) in multi_buffer
13638 .snapshot(cx)
13639 .range_to_buffer_ranges(selection.range())
13640 {
13641 // When editing branch buffers, jump to the corresponding location
13642 // in their base buffer.
13643 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
13644 let buffer = buffer_handle.read(cx);
13645 if let Some(base_buffer) = buffer.base_buffer() {
13646 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
13647 buffer_handle = base_buffer;
13648 }
13649
13650 if selection.reversed {
13651 mem::swap(&mut range.start, &mut range.end);
13652 }
13653 new_selections_by_buffer
13654 .entry(buffer_handle)
13655 .or_insert((Vec::new(), None))
13656 .0
13657 .push(range)
13658 }
13659 }
13660 }
13661 }
13662
13663 if new_selections_by_buffer.is_empty() {
13664 return;
13665 }
13666
13667 // We defer the pane interaction because we ourselves are a workspace item
13668 // and activating a new item causes the pane to call a method on us reentrantly,
13669 // which panics if we're on the stack.
13670 window.defer(cx, move |window, cx| {
13671 workspace.update(cx, |workspace, cx| {
13672 let pane = if split {
13673 workspace.adjacent_pane(window, cx)
13674 } else {
13675 workspace.active_pane().clone()
13676 };
13677
13678 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
13679 let editor = buffer
13680 .read(cx)
13681 .file()
13682 .is_none()
13683 .then(|| {
13684 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
13685 // so `workspace.open_project_item` will never find them, always opening a new editor.
13686 // Instead, we try to activate the existing editor in the pane first.
13687 let (editor, pane_item_index) =
13688 pane.read(cx).items().enumerate().find_map(|(i, item)| {
13689 let editor = item.downcast::<Editor>()?;
13690 let singleton_buffer =
13691 editor.read(cx).buffer().read(cx).as_singleton()?;
13692 if singleton_buffer == buffer {
13693 Some((editor, i))
13694 } else {
13695 None
13696 }
13697 })?;
13698 pane.update(cx, |pane, cx| {
13699 pane.activate_item(pane_item_index, true, true, window, cx)
13700 });
13701 Some(editor)
13702 })
13703 .flatten()
13704 .unwrap_or_else(|| {
13705 workspace.open_project_item::<Self>(
13706 pane.clone(),
13707 buffer,
13708 true,
13709 true,
13710 window,
13711 cx,
13712 )
13713 });
13714
13715 editor.update(cx, |editor, cx| {
13716 let autoscroll = match scroll_offset {
13717 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
13718 None => Autoscroll::newest(),
13719 };
13720 let nav_history = editor.nav_history.take();
13721 editor.change_selections(Some(autoscroll), window, cx, |s| {
13722 s.select_ranges(ranges);
13723 });
13724 editor.nav_history = nav_history;
13725 });
13726 }
13727 })
13728 });
13729 }
13730
13731 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
13732 let snapshot = self.buffer.read(cx).read(cx);
13733 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
13734 Some(
13735 ranges
13736 .iter()
13737 .map(move |range| {
13738 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
13739 })
13740 .collect(),
13741 )
13742 }
13743
13744 fn selection_replacement_ranges(
13745 &self,
13746 range: Range<OffsetUtf16>,
13747 cx: &mut App,
13748 ) -> Vec<Range<OffsetUtf16>> {
13749 let selections = self.selections.all::<OffsetUtf16>(cx);
13750 let newest_selection = selections
13751 .iter()
13752 .max_by_key(|selection| selection.id)
13753 .unwrap();
13754 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
13755 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
13756 let snapshot = self.buffer.read(cx).read(cx);
13757 selections
13758 .into_iter()
13759 .map(|mut selection| {
13760 selection.start.0 =
13761 (selection.start.0 as isize).saturating_add(start_delta) as usize;
13762 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
13763 snapshot.clip_offset_utf16(selection.start, Bias::Left)
13764 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
13765 })
13766 .collect()
13767 }
13768
13769 fn report_editor_event(
13770 &self,
13771 event_type: &'static str,
13772 file_extension: Option<String>,
13773 cx: &App,
13774 ) {
13775 if cfg!(any(test, feature = "test-support")) {
13776 return;
13777 }
13778
13779 let Some(project) = &self.project else { return };
13780
13781 // If None, we are in a file without an extension
13782 let file = self
13783 .buffer
13784 .read(cx)
13785 .as_singleton()
13786 .and_then(|b| b.read(cx).file());
13787 let file_extension = file_extension.or(file
13788 .as_ref()
13789 .and_then(|file| Path::new(file.file_name(cx)).extension())
13790 .and_then(|e| e.to_str())
13791 .map(|a| a.to_string()));
13792
13793 let vim_mode = cx
13794 .global::<SettingsStore>()
13795 .raw_user_settings()
13796 .get("vim_mode")
13797 == Some(&serde_json::Value::Bool(true));
13798
13799 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
13800 == language::language_settings::InlineCompletionProvider::Copilot;
13801 let copilot_enabled_for_language = self
13802 .buffer
13803 .read(cx)
13804 .settings_at(0, cx)
13805 .show_inline_completions;
13806
13807 let project = project.read(cx);
13808 telemetry::event!(
13809 event_type,
13810 file_extension,
13811 vim_mode,
13812 copilot_enabled,
13813 copilot_enabled_for_language,
13814 is_via_ssh = project.is_via_ssh(),
13815 );
13816 }
13817
13818 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
13819 /// with each line being an array of {text, highlight} objects.
13820 fn copy_highlight_json(
13821 &mut self,
13822 _: &CopyHighlightJson,
13823 window: &mut Window,
13824 cx: &mut Context<Self>,
13825 ) {
13826 #[derive(Serialize)]
13827 struct Chunk<'a> {
13828 text: String,
13829 highlight: Option<&'a str>,
13830 }
13831
13832 let snapshot = self.buffer.read(cx).snapshot(cx);
13833 let range = self
13834 .selected_text_range(false, window, cx)
13835 .and_then(|selection| {
13836 if selection.range.is_empty() {
13837 None
13838 } else {
13839 Some(selection.range)
13840 }
13841 })
13842 .unwrap_or_else(|| 0..snapshot.len());
13843
13844 let chunks = snapshot.chunks(range, true);
13845 let mut lines = Vec::new();
13846 let mut line: VecDeque<Chunk> = VecDeque::new();
13847
13848 let Some(style) = self.style.as_ref() else {
13849 return;
13850 };
13851
13852 for chunk in chunks {
13853 let highlight = chunk
13854 .syntax_highlight_id
13855 .and_then(|id| id.name(&style.syntax));
13856 let mut chunk_lines = chunk.text.split('\n').peekable();
13857 while let Some(text) = chunk_lines.next() {
13858 let mut merged_with_last_token = false;
13859 if let Some(last_token) = line.back_mut() {
13860 if last_token.highlight == highlight {
13861 last_token.text.push_str(text);
13862 merged_with_last_token = true;
13863 }
13864 }
13865
13866 if !merged_with_last_token {
13867 line.push_back(Chunk {
13868 text: text.into(),
13869 highlight,
13870 });
13871 }
13872
13873 if chunk_lines.peek().is_some() {
13874 if line.len() > 1 && line.front().unwrap().text.is_empty() {
13875 line.pop_front();
13876 }
13877 if line.len() > 1 && line.back().unwrap().text.is_empty() {
13878 line.pop_back();
13879 }
13880
13881 lines.push(mem::take(&mut line));
13882 }
13883 }
13884 }
13885
13886 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
13887 return;
13888 };
13889 cx.write_to_clipboard(ClipboardItem::new_string(lines));
13890 }
13891
13892 pub fn open_context_menu(
13893 &mut self,
13894 _: &OpenContextMenu,
13895 window: &mut Window,
13896 cx: &mut Context<Self>,
13897 ) {
13898 self.request_autoscroll(Autoscroll::newest(), cx);
13899 let position = self.selections.newest_display(cx).start;
13900 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
13901 }
13902
13903 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
13904 &self.inlay_hint_cache
13905 }
13906
13907 pub fn replay_insert_event(
13908 &mut self,
13909 text: &str,
13910 relative_utf16_range: Option<Range<isize>>,
13911 window: &mut Window,
13912 cx: &mut Context<Self>,
13913 ) {
13914 if !self.input_enabled {
13915 cx.emit(EditorEvent::InputIgnored { text: text.into() });
13916 return;
13917 }
13918 if let Some(relative_utf16_range) = relative_utf16_range {
13919 let selections = self.selections.all::<OffsetUtf16>(cx);
13920 self.change_selections(None, window, cx, |s| {
13921 let new_ranges = selections.into_iter().map(|range| {
13922 let start = OffsetUtf16(
13923 range
13924 .head()
13925 .0
13926 .saturating_add_signed(relative_utf16_range.start),
13927 );
13928 let end = OffsetUtf16(
13929 range
13930 .head()
13931 .0
13932 .saturating_add_signed(relative_utf16_range.end),
13933 );
13934 start..end
13935 });
13936 s.select_ranges(new_ranges);
13937 });
13938 }
13939
13940 self.handle_input(text, window, cx);
13941 }
13942
13943 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
13944 let Some(provider) = self.semantics_provider.as_ref() else {
13945 return false;
13946 };
13947
13948 let mut supports = false;
13949 self.buffer().read(cx).for_each_buffer(|buffer| {
13950 supports |= provider.supports_inlay_hints(buffer, cx);
13951 });
13952 supports
13953 }
13954 pub fn is_focused(&self, window: &mut Window) -> bool {
13955 self.focus_handle.is_focused(window)
13956 }
13957
13958 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13959 cx.emit(EditorEvent::Focused);
13960
13961 if let Some(descendant) = self
13962 .last_focused_descendant
13963 .take()
13964 .and_then(|descendant| descendant.upgrade())
13965 {
13966 window.focus(&descendant);
13967 } else {
13968 if let Some(blame) = self.blame.as_ref() {
13969 blame.update(cx, GitBlame::focus)
13970 }
13971
13972 self.blink_manager.update(cx, BlinkManager::enable);
13973 self.show_cursor_names(window, cx);
13974 self.buffer.update(cx, |buffer, cx| {
13975 buffer.finalize_last_transaction(cx);
13976 if self.leader_peer_id.is_none() {
13977 buffer.set_active_selections(
13978 &self.selections.disjoint_anchors(),
13979 self.selections.line_mode,
13980 self.cursor_shape,
13981 cx,
13982 );
13983 }
13984 });
13985 }
13986 }
13987
13988 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
13989 cx.emit(EditorEvent::FocusedIn)
13990 }
13991
13992 fn handle_focus_out(
13993 &mut self,
13994 event: FocusOutEvent,
13995 _window: &mut Window,
13996 _cx: &mut Context<Self>,
13997 ) {
13998 if event.blurred != self.focus_handle {
13999 self.last_focused_descendant = Some(event.blurred);
14000 }
14001 }
14002
14003 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
14004 self.blink_manager.update(cx, BlinkManager::disable);
14005 self.buffer
14006 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
14007
14008 if let Some(blame) = self.blame.as_ref() {
14009 blame.update(cx, GitBlame::blur)
14010 }
14011 if !self.hover_state.focused(window, cx) {
14012 hide_hover(self, cx);
14013 }
14014
14015 self.hide_context_menu(window, cx);
14016 cx.emit(EditorEvent::Blurred);
14017 cx.notify();
14018 }
14019
14020 pub fn register_action<A: Action>(
14021 &mut self,
14022 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14023 ) -> Subscription {
14024 let id = self.next_editor_action_id.post_inc();
14025 let listener = Arc::new(listener);
14026 self.editor_actions.borrow_mut().insert(
14027 id,
14028 Box::new(move |window, _| {
14029 let listener = listener.clone();
14030 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14031 let action = action.downcast_ref().unwrap();
14032 if phase == DispatchPhase::Bubble {
14033 listener(action, window, cx)
14034 }
14035 })
14036 }),
14037 );
14038
14039 let editor_actions = self.editor_actions.clone();
14040 Subscription::new(move || {
14041 editor_actions.borrow_mut().remove(&id);
14042 })
14043 }
14044
14045 pub fn file_header_size(&self) -> u32 {
14046 FILE_HEADER_HEIGHT
14047 }
14048
14049 pub fn revert(
14050 &mut self,
14051 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14052 window: &mut Window,
14053 cx: &mut Context<Self>,
14054 ) {
14055 self.buffer().update(cx, |multi_buffer, cx| {
14056 for (buffer_id, changes) in revert_changes {
14057 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14058 buffer.update(cx, |buffer, cx| {
14059 buffer.edit(
14060 changes.into_iter().map(|(range, text)| {
14061 (range, text.to_string().map(Arc::<str>::from))
14062 }),
14063 None,
14064 cx,
14065 );
14066 });
14067 }
14068 }
14069 });
14070 self.change_selections(None, window, cx, |selections| selections.refresh());
14071 }
14072
14073 pub fn to_pixel_point(
14074 &self,
14075 source: multi_buffer::Anchor,
14076 editor_snapshot: &EditorSnapshot,
14077 window: &mut Window,
14078 ) -> Option<gpui::Point<Pixels>> {
14079 let source_point = source.to_display_point(editor_snapshot);
14080 self.display_to_pixel_point(source_point, editor_snapshot, window)
14081 }
14082
14083 pub fn display_to_pixel_point(
14084 &self,
14085 source: DisplayPoint,
14086 editor_snapshot: &EditorSnapshot,
14087 window: &mut Window,
14088 ) -> Option<gpui::Point<Pixels>> {
14089 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14090 let text_layout_details = self.text_layout_details(window);
14091 let scroll_top = text_layout_details
14092 .scroll_anchor
14093 .scroll_position(editor_snapshot)
14094 .y;
14095
14096 if source.row().as_f32() < scroll_top.floor() {
14097 return None;
14098 }
14099 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14100 let source_y = line_height * (source.row().as_f32() - scroll_top);
14101 Some(gpui::Point::new(source_x, source_y))
14102 }
14103
14104 pub fn has_active_completions_menu(&self) -> bool {
14105 self.context_menu.borrow().as_ref().map_or(false, |menu| {
14106 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14107 })
14108 }
14109
14110 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14111 self.addons
14112 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14113 }
14114
14115 pub fn unregister_addon<T: Addon>(&mut self) {
14116 self.addons.remove(&std::any::TypeId::of::<T>());
14117 }
14118
14119 pub fn addon<T: Addon>(&self) -> Option<&T> {
14120 let type_id = std::any::TypeId::of::<T>();
14121 self.addons
14122 .get(&type_id)
14123 .and_then(|item| item.to_any().downcast_ref::<T>())
14124 }
14125
14126 fn character_size(&self, window: &mut Window) -> gpui::Point<Pixels> {
14127 let text_layout_details = self.text_layout_details(window);
14128 let style = &text_layout_details.editor_style;
14129 let font_id = window.text_system().resolve_font(&style.text.font());
14130 let font_size = style.text.font_size.to_pixels(window.rem_size());
14131 let line_height = style.text.line_height_in_pixels(window.rem_size());
14132 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
14133
14134 gpui::Point::new(em_width, line_height)
14135 }
14136}
14137
14138fn get_unstaged_changes_for_buffers(
14139 project: &Entity<Project>,
14140 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14141 buffer: Entity<MultiBuffer>,
14142 cx: &mut App,
14143) {
14144 let mut tasks = Vec::new();
14145 project.update(cx, |project, cx| {
14146 for buffer in buffers {
14147 tasks.push(project.open_unstaged_changes(buffer.clone(), cx))
14148 }
14149 });
14150 cx.spawn(|mut cx| async move {
14151 let change_sets = futures::future::join_all(tasks).await;
14152 buffer
14153 .update(&mut cx, |buffer, cx| {
14154 for change_set in change_sets {
14155 if let Some(change_set) = change_set.log_err() {
14156 buffer.add_change_set(change_set, cx);
14157 }
14158 }
14159 })
14160 .ok();
14161 })
14162 .detach();
14163}
14164
14165fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14166 let tab_size = tab_size.get() as usize;
14167 let mut width = offset;
14168
14169 for ch in text.chars() {
14170 width += if ch == '\t' {
14171 tab_size - (width % tab_size)
14172 } else {
14173 1
14174 };
14175 }
14176
14177 width - offset
14178}
14179
14180#[cfg(test)]
14181mod tests {
14182 use super::*;
14183
14184 #[test]
14185 fn test_string_size_with_expanded_tabs() {
14186 let nz = |val| NonZeroU32::new(val).unwrap();
14187 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14188 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14189 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14190 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14191 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14192 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14193 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14194 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14195 }
14196}
14197
14198/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14199struct WordBreakingTokenizer<'a> {
14200 input: &'a str,
14201}
14202
14203impl<'a> WordBreakingTokenizer<'a> {
14204 fn new(input: &'a str) -> Self {
14205 Self { input }
14206 }
14207}
14208
14209fn is_char_ideographic(ch: char) -> bool {
14210 use unicode_script::Script::*;
14211 use unicode_script::UnicodeScript;
14212 matches!(ch.script(), Han | Tangut | Yi)
14213}
14214
14215fn is_grapheme_ideographic(text: &str) -> bool {
14216 text.chars().any(is_char_ideographic)
14217}
14218
14219fn is_grapheme_whitespace(text: &str) -> bool {
14220 text.chars().any(|x| x.is_whitespace())
14221}
14222
14223fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14224 text.chars().next().map_or(false, |ch| {
14225 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14226 })
14227}
14228
14229#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14230struct WordBreakToken<'a> {
14231 token: &'a str,
14232 grapheme_len: usize,
14233 is_whitespace: bool,
14234}
14235
14236impl<'a> Iterator for WordBreakingTokenizer<'a> {
14237 /// Yields a span, the count of graphemes in the token, and whether it was
14238 /// whitespace. Note that it also breaks at word boundaries.
14239 type Item = WordBreakToken<'a>;
14240
14241 fn next(&mut self) -> Option<Self::Item> {
14242 use unicode_segmentation::UnicodeSegmentation;
14243 if self.input.is_empty() {
14244 return None;
14245 }
14246
14247 let mut iter = self.input.graphemes(true).peekable();
14248 let mut offset = 0;
14249 let mut graphemes = 0;
14250 if let Some(first_grapheme) = iter.next() {
14251 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14252 offset += first_grapheme.len();
14253 graphemes += 1;
14254 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14255 if let Some(grapheme) = iter.peek().copied() {
14256 if should_stay_with_preceding_ideograph(grapheme) {
14257 offset += grapheme.len();
14258 graphemes += 1;
14259 }
14260 }
14261 } else {
14262 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14263 let mut next_word_bound = words.peek().copied();
14264 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14265 next_word_bound = words.next();
14266 }
14267 while let Some(grapheme) = iter.peek().copied() {
14268 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14269 break;
14270 };
14271 if is_grapheme_whitespace(grapheme) != is_whitespace {
14272 break;
14273 };
14274 offset += grapheme.len();
14275 graphemes += 1;
14276 iter.next();
14277 }
14278 }
14279 let token = &self.input[..offset];
14280 self.input = &self.input[offset..];
14281 if is_whitespace {
14282 Some(WordBreakToken {
14283 token: " ",
14284 grapheme_len: 1,
14285 is_whitespace: true,
14286 })
14287 } else {
14288 Some(WordBreakToken {
14289 token,
14290 grapheme_len: graphemes,
14291 is_whitespace: false,
14292 })
14293 }
14294 } else {
14295 None
14296 }
14297 }
14298}
14299
14300#[test]
14301fn test_word_breaking_tokenizer() {
14302 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14303 ("", &[]),
14304 (" ", &[(" ", 1, true)]),
14305 ("Ʒ", &[("Ʒ", 1, false)]),
14306 ("Ǽ", &[("Ǽ", 1, false)]),
14307 ("⋑", &[("⋑", 1, false)]),
14308 ("⋑⋑", &[("⋑⋑", 2, false)]),
14309 (
14310 "原理，进而",
14311 &[
14312 ("原", 1, false),
14313 ("理，", 2, false),
14314 ("进", 1, false),
14315 ("而", 1, false),
14316 ],
14317 ),
14318 (
14319 "hello world",
14320 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14321 ),
14322 (
14323 "hello, world",
14324 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14325 ),
14326 (
14327 " hello world",
14328 &[
14329 (" ", 1, true),
14330 ("hello", 5, false),
14331 (" ", 1, true),
14332 ("world", 5, false),
14333 ],
14334 ),
14335 (
14336 "这是什么 \n 钢笔",
14337 &[
14338 ("这", 1, false),
14339 ("是", 1, false),
14340 ("什", 1, false),
14341 ("么", 1, false),
14342 (" ", 1, true),
14343 ("钢", 1, false),
14344 ("笔", 1, false),
14345 ],
14346 ),
14347 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14348 ];
14349
14350 for (input, result) in tests {
14351 assert_eq!(
14352 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14353 result
14354 .iter()
14355 .copied()
14356 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14357 token,
14358 grapheme_len,
14359 is_whitespace,
14360 })
14361 .collect::<Vec<_>>()
14362 );
14363 }
14364}
14365
14366fn wrap_with_prefix(
14367 line_prefix: String,
14368 unwrapped_text: String,
14369 wrap_column: usize,
14370 tab_size: NonZeroU32,
14371) -> String {
14372 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14373 let mut wrapped_text = String::new();
14374 let mut current_line = line_prefix.clone();
14375
14376 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14377 let mut current_line_len = line_prefix_len;
14378 for WordBreakToken {
14379 token,
14380 grapheme_len,
14381 is_whitespace,
14382 } in tokenizer
14383 {
14384 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
14385 wrapped_text.push_str(current_line.trim_end());
14386 wrapped_text.push('\n');
14387 current_line.truncate(line_prefix.len());
14388 current_line_len = line_prefix_len;
14389 if !is_whitespace {
14390 current_line.push_str(token);
14391 current_line_len += grapheme_len;
14392 }
14393 } else if !is_whitespace {
14394 current_line.push_str(token);
14395 current_line_len += grapheme_len;
14396 } else if current_line_len != line_prefix_len {
14397 current_line.push(' ');
14398 current_line_len += 1;
14399 }
14400 }
14401
14402 if !current_line.is_empty() {
14403 wrapped_text.push_str(¤t_line);
14404 }
14405 wrapped_text
14406}
14407
14408#[test]
14409fn test_wrap_with_prefix() {
14410 assert_eq!(
14411 wrap_with_prefix(
14412 "# ".to_string(),
14413 "abcdefg".to_string(),
14414 4,
14415 NonZeroU32::new(4).unwrap()
14416 ),
14417 "# abcdefg"
14418 );
14419 assert_eq!(
14420 wrap_with_prefix(
14421 "".to_string(),
14422 "\thello world".to_string(),
14423 8,
14424 NonZeroU32::new(4).unwrap()
14425 ),
14426 "hello\nworld"
14427 );
14428 assert_eq!(
14429 wrap_with_prefix(
14430 "// ".to_string(),
14431 "xx \nyy zz aa bb cc".to_string(),
14432 12,
14433 NonZeroU32::new(4).unwrap()
14434 ),
14435 "// xx yy zz\n// aa bb cc"
14436 );
14437 assert_eq!(
14438 wrap_with_prefix(
14439 String::new(),
14440 "这是什么 \n 钢笔".to_string(),
14441 3,
14442 NonZeroU32::new(4).unwrap()
14443 ),
14444 "这是什\n么 钢\n笔"
14445 );
14446}
14447
14448pub trait CollaborationHub {
14449 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
14450 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
14451 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
14452}
14453
14454impl CollaborationHub for Entity<Project> {
14455 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
14456 self.read(cx).collaborators()
14457 }
14458
14459 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
14460 self.read(cx).user_store().read(cx).participant_indices()
14461 }
14462
14463 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
14464 let this = self.read(cx);
14465 let user_ids = this.collaborators().values().map(|c| c.user_id);
14466 this.user_store().read_with(cx, |user_store, cx| {
14467 user_store.participant_names(user_ids, cx)
14468 })
14469 }
14470}
14471
14472pub trait SemanticsProvider {
14473 fn hover(
14474 &self,
14475 buffer: &Entity<Buffer>,
14476 position: text::Anchor,
14477 cx: &mut App,
14478 ) -> Option<Task<Vec<project::Hover>>>;
14479
14480 fn inlay_hints(
14481 &self,
14482 buffer_handle: Entity<Buffer>,
14483 range: Range<text::Anchor>,
14484 cx: &mut App,
14485 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
14486
14487 fn resolve_inlay_hint(
14488 &self,
14489 hint: InlayHint,
14490 buffer_handle: Entity<Buffer>,
14491 server_id: LanguageServerId,
14492 cx: &mut App,
14493 ) -> Option<Task<anyhow::Result<InlayHint>>>;
14494
14495 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
14496
14497 fn document_highlights(
14498 &self,
14499 buffer: &Entity<Buffer>,
14500 position: text::Anchor,
14501 cx: &mut App,
14502 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
14503
14504 fn definitions(
14505 &self,
14506 buffer: &Entity<Buffer>,
14507 position: text::Anchor,
14508 kind: GotoDefinitionKind,
14509 cx: &mut App,
14510 ) -> Option<Task<Result<Vec<LocationLink>>>>;
14511
14512 fn range_for_rename(
14513 &self,
14514 buffer: &Entity<Buffer>,
14515 position: text::Anchor,
14516 cx: &mut App,
14517 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
14518
14519 fn perform_rename(
14520 &self,
14521 buffer: &Entity<Buffer>,
14522 position: text::Anchor,
14523 new_name: String,
14524 cx: &mut App,
14525 ) -> Option<Task<Result<ProjectTransaction>>>;
14526}
14527
14528pub trait CompletionProvider {
14529 fn completions(
14530 &self,
14531 buffer: &Entity<Buffer>,
14532 buffer_position: text::Anchor,
14533 trigger: CompletionContext,
14534 window: &mut Window,
14535 cx: &mut Context<Editor>,
14536 ) -> Task<Result<Vec<Completion>>>;
14537
14538 fn resolve_completions(
14539 &self,
14540 buffer: Entity<Buffer>,
14541 completion_indices: Vec<usize>,
14542 completions: Rc<RefCell<Box<[Completion]>>>,
14543 cx: &mut Context<Editor>,
14544 ) -> Task<Result<bool>>;
14545
14546 fn apply_additional_edits_for_completion(
14547 &self,
14548 _buffer: Entity<Buffer>,
14549 _completions: Rc<RefCell<Box<[Completion]>>>,
14550 _completion_index: usize,
14551 _push_to_history: bool,
14552 _cx: &mut Context<Editor>,
14553 ) -> Task<Result<Option<language::Transaction>>> {
14554 Task::ready(Ok(None))
14555 }
14556
14557 fn is_completion_trigger(
14558 &self,
14559 buffer: &Entity<Buffer>,
14560 position: language::Anchor,
14561 text: &str,
14562 trigger_in_words: bool,
14563 cx: &mut Context<Editor>,
14564 ) -> bool;
14565
14566 fn sort_completions(&self) -> bool {
14567 true
14568 }
14569}
14570
14571pub trait CodeActionProvider {
14572 fn id(&self) -> Arc<str>;
14573
14574 fn code_actions(
14575 &self,
14576 buffer: &Entity<Buffer>,
14577 range: Range<text::Anchor>,
14578 window: &mut Window,
14579 cx: &mut App,
14580 ) -> Task<Result<Vec<CodeAction>>>;
14581
14582 fn apply_code_action(
14583 &self,
14584 buffer_handle: Entity<Buffer>,
14585 action: CodeAction,
14586 excerpt_id: ExcerptId,
14587 push_to_history: bool,
14588 window: &mut Window,
14589 cx: &mut App,
14590 ) -> Task<Result<ProjectTransaction>>;
14591}
14592
14593impl CodeActionProvider for Entity<Project> {
14594 fn id(&self) -> Arc<str> {
14595 "project".into()
14596 }
14597
14598 fn code_actions(
14599 &self,
14600 buffer: &Entity<Buffer>,
14601 range: Range<text::Anchor>,
14602 _window: &mut Window,
14603 cx: &mut App,
14604 ) -> Task<Result<Vec<CodeAction>>> {
14605 self.update(cx, |project, cx| {
14606 project.code_actions(buffer, range, None, cx)
14607 })
14608 }
14609
14610 fn apply_code_action(
14611 &self,
14612 buffer_handle: Entity<Buffer>,
14613 action: CodeAction,
14614 _excerpt_id: ExcerptId,
14615 push_to_history: bool,
14616 _window: &mut Window,
14617 cx: &mut App,
14618 ) -> Task<Result<ProjectTransaction>> {
14619 self.update(cx, |project, cx| {
14620 project.apply_code_action(buffer_handle, action, push_to_history, cx)
14621 })
14622 }
14623}
14624
14625fn snippet_completions(
14626 project: &Project,
14627 buffer: &Entity<Buffer>,
14628 buffer_position: text::Anchor,
14629 cx: &mut App,
14630) -> Task<Result<Vec<Completion>>> {
14631 let language = buffer.read(cx).language_at(buffer_position);
14632 let language_name = language.as_ref().map(|language| language.lsp_id());
14633 let snippet_store = project.snippets().read(cx);
14634 let snippets = snippet_store.snippets_for(language_name, cx);
14635
14636 if snippets.is_empty() {
14637 return Task::ready(Ok(vec![]));
14638 }
14639 let snapshot = buffer.read(cx).text_snapshot();
14640 let chars: String = snapshot
14641 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
14642 .collect();
14643
14644 let scope = language.map(|language| language.default_scope());
14645 let executor = cx.background_executor().clone();
14646
14647 cx.background_executor().spawn(async move {
14648 let classifier = CharClassifier::new(scope).for_completion(true);
14649 let mut last_word = chars
14650 .chars()
14651 .take_while(|c| classifier.is_word(*c))
14652 .collect::<String>();
14653 last_word = last_word.chars().rev().collect();
14654
14655 if last_word.is_empty() {
14656 return Ok(vec![]);
14657 }
14658
14659 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
14660 let to_lsp = |point: &text::Anchor| {
14661 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
14662 point_to_lsp(end)
14663 };
14664 let lsp_end = to_lsp(&buffer_position);
14665
14666 let candidates = snippets
14667 .iter()
14668 .enumerate()
14669 .flat_map(|(ix, snippet)| {
14670 snippet
14671 .prefix
14672 .iter()
14673 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
14674 })
14675 .collect::<Vec<StringMatchCandidate>>();
14676
14677 let mut matches = fuzzy::match_strings(
14678 &candidates,
14679 &last_word,
14680 last_word.chars().any(|c| c.is_uppercase()),
14681 100,
14682 &Default::default(),
14683 executor,
14684 )
14685 .await;
14686
14687 // Remove all candidates where the query's start does not match the start of any word in the candidate
14688 if let Some(query_start) = last_word.chars().next() {
14689 matches.retain(|string_match| {
14690 split_words(&string_match.string).any(|word| {
14691 // Check that the first codepoint of the word as lowercase matches the first
14692 // codepoint of the query as lowercase
14693 word.chars()
14694 .flat_map(|codepoint| codepoint.to_lowercase())
14695 .zip(query_start.to_lowercase())
14696 .all(|(word_cp, query_cp)| word_cp == query_cp)
14697 })
14698 });
14699 }
14700
14701 let matched_strings = matches
14702 .into_iter()
14703 .map(|m| m.string)
14704 .collect::<HashSet<_>>();
14705
14706 let result: Vec<Completion> = snippets
14707 .into_iter()
14708 .filter_map(|snippet| {
14709 let matching_prefix = snippet
14710 .prefix
14711 .iter()
14712 .find(|prefix| matched_strings.contains(*prefix))?;
14713 let start = as_offset - last_word.len();
14714 let start = snapshot.anchor_before(start);
14715 let range = start..buffer_position;
14716 let lsp_start = to_lsp(&start);
14717 let lsp_range = lsp::Range {
14718 start: lsp_start,
14719 end: lsp_end,
14720 };
14721 Some(Completion {
14722 old_range: range,
14723 new_text: snippet.body.clone(),
14724 resolved: false,
14725 label: CodeLabel {
14726 text: matching_prefix.clone(),
14727 runs: vec![],
14728 filter_range: 0..matching_prefix.len(),
14729 },
14730 server_id: LanguageServerId(usize::MAX),
14731 documentation: snippet
14732 .description
14733 .clone()
14734 .map(CompletionDocumentation::SingleLine),
14735 lsp_completion: lsp::CompletionItem {
14736 label: snippet.prefix.first().unwrap().clone(),
14737 kind: Some(CompletionItemKind::SNIPPET),
14738 label_details: snippet.description.as_ref().map(|description| {
14739 lsp::CompletionItemLabelDetails {
14740 detail: Some(description.clone()),
14741 description: None,
14742 }
14743 }),
14744 insert_text_format: Some(InsertTextFormat::SNIPPET),
14745 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
14746 lsp::InsertReplaceEdit {
14747 new_text: snippet.body.clone(),
14748 insert: lsp_range,
14749 replace: lsp_range,
14750 },
14751 )),
14752 filter_text: Some(snippet.body.clone()),
14753 sort_text: Some(char::MAX.to_string()),
14754 ..Default::default()
14755 },
14756 confirm: None,
14757 })
14758 })
14759 .collect();
14760
14761 Ok(result)
14762 })
14763}
14764
14765impl CompletionProvider for Entity<Project> {
14766 fn completions(
14767 &self,
14768 buffer: &Entity<Buffer>,
14769 buffer_position: text::Anchor,
14770 options: CompletionContext,
14771 _window: &mut Window,
14772 cx: &mut Context<Editor>,
14773 ) -> Task<Result<Vec<Completion>>> {
14774 self.update(cx, |project, cx| {
14775 let snippets = snippet_completions(project, buffer, buffer_position, cx);
14776 let project_completions = project.completions(buffer, buffer_position, options, cx);
14777 cx.background_executor().spawn(async move {
14778 let mut completions = project_completions.await?;
14779 let snippets_completions = snippets.await?;
14780 completions.extend(snippets_completions);
14781 Ok(completions)
14782 })
14783 })
14784 }
14785
14786 fn resolve_completions(
14787 &self,
14788 buffer: Entity<Buffer>,
14789 completion_indices: Vec<usize>,
14790 completions: Rc<RefCell<Box<[Completion]>>>,
14791 cx: &mut Context<Editor>,
14792 ) -> Task<Result<bool>> {
14793 self.update(cx, |project, cx| {
14794 project.lsp_store().update(cx, |lsp_store, cx| {
14795 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
14796 })
14797 })
14798 }
14799
14800 fn apply_additional_edits_for_completion(
14801 &self,
14802 buffer: Entity<Buffer>,
14803 completions: Rc<RefCell<Box<[Completion]>>>,
14804 completion_index: usize,
14805 push_to_history: bool,
14806 cx: &mut Context<Editor>,
14807 ) -> Task<Result<Option<language::Transaction>>> {
14808 self.update(cx, |project, cx| {
14809 project.lsp_store().update(cx, |lsp_store, cx| {
14810 lsp_store.apply_additional_edits_for_completion(
14811 buffer,
14812 completions,
14813 completion_index,
14814 push_to_history,
14815 cx,
14816 )
14817 })
14818 })
14819 }
14820
14821 fn is_completion_trigger(
14822 &self,
14823 buffer: &Entity<Buffer>,
14824 position: language::Anchor,
14825 text: &str,
14826 trigger_in_words: bool,
14827 cx: &mut Context<Editor>,
14828 ) -> bool {
14829 let mut chars = text.chars();
14830 let char = if let Some(char) = chars.next() {
14831 char
14832 } else {
14833 return false;
14834 };
14835 if chars.next().is_some() {
14836 return false;
14837 }
14838
14839 let buffer = buffer.read(cx);
14840 let snapshot = buffer.snapshot();
14841 if !snapshot.settings_at(position, cx).show_completions_on_input {
14842 return false;
14843 }
14844 let classifier = snapshot.char_classifier_at(position).for_completion(true);
14845 if trigger_in_words && classifier.is_word(char) {
14846 return true;
14847 }
14848
14849 buffer.completion_triggers().contains(text)
14850 }
14851}
14852
14853impl SemanticsProvider for Entity<Project> {
14854 fn hover(
14855 &self,
14856 buffer: &Entity<Buffer>,
14857 position: text::Anchor,
14858 cx: &mut App,
14859 ) -> Option<Task<Vec<project::Hover>>> {
14860 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
14861 }
14862
14863 fn document_highlights(
14864 &self,
14865 buffer: &Entity<Buffer>,
14866 position: text::Anchor,
14867 cx: &mut App,
14868 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
14869 Some(self.update(cx, |project, cx| {
14870 project.document_highlights(buffer, position, cx)
14871 }))
14872 }
14873
14874 fn definitions(
14875 &self,
14876 buffer: &Entity<Buffer>,
14877 position: text::Anchor,
14878 kind: GotoDefinitionKind,
14879 cx: &mut App,
14880 ) -> Option<Task<Result<Vec<LocationLink>>>> {
14881 Some(self.update(cx, |project, cx| match kind {
14882 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
14883 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
14884 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
14885 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
14886 }))
14887 }
14888
14889 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
14890 // TODO: make this work for remote projects
14891 self.read(cx)
14892 .language_servers_for_local_buffer(buffer.read(cx), cx)
14893 .any(
14894 |(_, server)| match server.capabilities().inlay_hint_provider {
14895 Some(lsp::OneOf::Left(enabled)) => enabled,
14896 Some(lsp::OneOf::Right(_)) => true,
14897 None => false,
14898 },
14899 )
14900 }
14901
14902 fn inlay_hints(
14903 &self,
14904 buffer_handle: Entity<Buffer>,
14905 range: Range<text::Anchor>,
14906 cx: &mut App,
14907 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
14908 Some(self.update(cx, |project, cx| {
14909 project.inlay_hints(buffer_handle, range, cx)
14910 }))
14911 }
14912
14913 fn resolve_inlay_hint(
14914 &self,
14915 hint: InlayHint,
14916 buffer_handle: Entity<Buffer>,
14917 server_id: LanguageServerId,
14918 cx: &mut App,
14919 ) -> Option<Task<anyhow::Result<InlayHint>>> {
14920 Some(self.update(cx, |project, cx| {
14921 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
14922 }))
14923 }
14924
14925 fn range_for_rename(
14926 &self,
14927 buffer: &Entity<Buffer>,
14928 position: text::Anchor,
14929 cx: &mut App,
14930 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
14931 Some(self.update(cx, |project, cx| {
14932 let buffer = buffer.clone();
14933 let task = project.prepare_rename(buffer.clone(), position, cx);
14934 cx.spawn(|_, mut cx| async move {
14935 Ok(match task.await? {
14936 PrepareRenameResponse::Success(range) => Some(range),
14937 PrepareRenameResponse::InvalidPosition => None,
14938 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
14939 // Fallback on using TreeSitter info to determine identifier range
14940 buffer.update(&mut cx, |buffer, _| {
14941 let snapshot = buffer.snapshot();
14942 let (range, kind) = snapshot.surrounding_word(position);
14943 if kind != Some(CharKind::Word) {
14944 return None;
14945 }
14946 Some(
14947 snapshot.anchor_before(range.start)
14948 ..snapshot.anchor_after(range.end),
14949 )
14950 })?
14951 }
14952 })
14953 })
14954 }))
14955 }
14956
14957 fn perform_rename(
14958 &self,
14959 buffer: &Entity<Buffer>,
14960 position: text::Anchor,
14961 new_name: String,
14962 cx: &mut App,
14963 ) -> Option<Task<Result<ProjectTransaction>>> {
14964 Some(self.update(cx, |project, cx| {
14965 project.perform_rename(buffer.clone(), position, new_name, cx)
14966 }))
14967 }
14968}
14969
14970fn inlay_hint_settings(
14971 location: Anchor,
14972 snapshot: &MultiBufferSnapshot,
14973 cx: &mut Context<Editor>,
14974) -> InlayHintSettings {
14975 let file = snapshot.file_at(location);
14976 let language = snapshot.language_at(location).map(|l| l.name());
14977 language_settings(language, file, cx).inlay_hints
14978}
14979
14980fn consume_contiguous_rows(
14981 contiguous_row_selections: &mut Vec<Selection<Point>>,
14982 selection: &Selection<Point>,
14983 display_map: &DisplaySnapshot,
14984 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
14985) -> (MultiBufferRow, MultiBufferRow) {
14986 contiguous_row_selections.push(selection.clone());
14987 let start_row = MultiBufferRow(selection.start.row);
14988 let mut end_row = ending_row(selection, display_map);
14989
14990 while let Some(next_selection) = selections.peek() {
14991 if next_selection.start.row <= end_row.0 {
14992 end_row = ending_row(next_selection, display_map);
14993 contiguous_row_selections.push(selections.next().unwrap().clone());
14994 } else {
14995 break;
14996 }
14997 }
14998 (start_row, end_row)
14999}
15000
15001fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
15002 if next_selection.end.column > 0 || next_selection.is_empty() {
15003 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
15004 } else {
15005 MultiBufferRow(next_selection.end.row)
15006 }
15007}
15008
15009impl EditorSnapshot {
15010 pub fn remote_selections_in_range<'a>(
15011 &'a self,
15012 range: &'a Range<Anchor>,
15013 collaboration_hub: &dyn CollaborationHub,
15014 cx: &'a App,
15015 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15016 let participant_names = collaboration_hub.user_names(cx);
15017 let participant_indices = collaboration_hub.user_participant_indices(cx);
15018 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15019 let collaborators_by_replica_id = collaborators_by_peer_id
15020 .iter()
15021 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15022 .collect::<HashMap<_, _>>();
15023 self.buffer_snapshot
15024 .selections_in_range(range, false)
15025 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15026 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15027 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15028 let user_name = participant_names.get(&collaborator.user_id).cloned();
15029 Some(RemoteSelection {
15030 replica_id,
15031 selection,
15032 cursor_shape,
15033 line_mode,
15034 participant_index,
15035 peer_id: collaborator.peer_id,
15036 user_name,
15037 })
15038 })
15039 }
15040
15041 pub fn hunks_for_ranges(
15042 &self,
15043 ranges: impl Iterator<Item = Range<Point>>,
15044 ) -> Vec<MultiBufferDiffHunk> {
15045 let mut hunks = Vec::new();
15046 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15047 HashMap::default();
15048 for query_range in ranges {
15049 let query_rows =
15050 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15051 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15052 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15053 ) {
15054 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15055 // when the caret is just above or just below the deleted hunk.
15056 let allow_adjacent = hunk.status() == DiffHunkStatus::Removed;
15057 let related_to_selection = if allow_adjacent {
15058 hunk.row_range.overlaps(&query_rows)
15059 || hunk.row_range.start == query_rows.end
15060 || hunk.row_range.end == query_rows.start
15061 } else {
15062 hunk.row_range.overlaps(&query_rows)
15063 };
15064 if related_to_selection {
15065 if !processed_buffer_rows
15066 .entry(hunk.buffer_id)
15067 .or_default()
15068 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15069 {
15070 continue;
15071 }
15072 hunks.push(hunk);
15073 }
15074 }
15075 }
15076
15077 hunks
15078 }
15079
15080 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15081 self.display_snapshot.buffer_snapshot.language_at(position)
15082 }
15083
15084 pub fn is_focused(&self) -> bool {
15085 self.is_focused
15086 }
15087
15088 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15089 self.placeholder_text.as_ref()
15090 }
15091
15092 pub fn scroll_position(&self) -> gpui::Point<f32> {
15093 self.scroll_anchor.scroll_position(&self.display_snapshot)
15094 }
15095
15096 fn gutter_dimensions(
15097 &self,
15098 font_id: FontId,
15099 font_size: Pixels,
15100 max_line_number_width: Pixels,
15101 cx: &App,
15102 ) -> Option<GutterDimensions> {
15103 if !self.show_gutter {
15104 return None;
15105 }
15106
15107 let descent = cx.text_system().descent(font_id, font_size);
15108 let em_width = cx.text_system().em_width(font_id, font_size).log_err()?;
15109 let em_advance = cx.text_system().em_advance(font_id, font_size).log_err()?;
15110
15111 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15112 matches!(
15113 ProjectSettings::get_global(cx).git.git_gutter,
15114 Some(GitGutterSetting::TrackedFiles)
15115 )
15116 });
15117 let gutter_settings = EditorSettings::get_global(cx).gutter;
15118 let show_line_numbers = self
15119 .show_line_numbers
15120 .unwrap_or(gutter_settings.line_numbers);
15121 let line_gutter_width = if show_line_numbers {
15122 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15123 let min_width_for_number_on_gutter = em_advance * 4.0;
15124 max_line_number_width.max(min_width_for_number_on_gutter)
15125 } else {
15126 0.0.into()
15127 };
15128
15129 let show_code_actions = self
15130 .show_code_actions
15131 .unwrap_or(gutter_settings.code_actions);
15132
15133 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15134
15135 let git_blame_entries_width =
15136 self.git_blame_gutter_max_author_length
15137 .map(|max_author_length| {
15138 const MAX_RELATIVE_TIMESTAMP: &str = "60 minutes ago";
15139
15140 /// The number of characters to dedicate to gaps and margins.
15141 const SPACING_WIDTH: usize = 4;
15142
15143 let max_char_count = max_author_length
15144 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15145 + ::git::SHORT_SHA_LENGTH
15146 + MAX_RELATIVE_TIMESTAMP.len()
15147 + SPACING_WIDTH;
15148
15149 em_advance * max_char_count
15150 });
15151
15152 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15153 left_padding += if show_code_actions || show_runnables {
15154 em_width * 3.0
15155 } else if show_git_gutter && show_line_numbers {
15156 em_width * 2.0
15157 } else if show_git_gutter || show_line_numbers {
15158 em_width
15159 } else {
15160 px(0.)
15161 };
15162
15163 let right_padding = if gutter_settings.folds && show_line_numbers {
15164 em_width * 4.0
15165 } else if gutter_settings.folds {
15166 em_width * 3.0
15167 } else if show_line_numbers {
15168 em_width
15169 } else {
15170 px(0.)
15171 };
15172
15173 Some(GutterDimensions {
15174 left_padding,
15175 right_padding,
15176 width: line_gutter_width + left_padding + right_padding,
15177 margin: -descent,
15178 git_blame_entries_width,
15179 })
15180 }
15181
15182 pub fn render_crease_toggle(
15183 &self,
15184 buffer_row: MultiBufferRow,
15185 row_contains_cursor: bool,
15186 editor: Entity<Editor>,
15187 window: &mut Window,
15188 cx: &mut App,
15189 ) -> Option<AnyElement> {
15190 let folded = self.is_line_folded(buffer_row);
15191 let mut is_foldable = false;
15192
15193 if let Some(crease) = self
15194 .crease_snapshot
15195 .query_row(buffer_row, &self.buffer_snapshot)
15196 {
15197 is_foldable = true;
15198 match crease {
15199 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15200 if let Some(render_toggle) = render_toggle {
15201 let toggle_callback =
15202 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15203 if folded {
15204 editor.update(cx, |editor, cx| {
15205 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15206 });
15207 } else {
15208 editor.update(cx, |editor, cx| {
15209 editor.unfold_at(
15210 &crate::UnfoldAt { buffer_row },
15211 window,
15212 cx,
15213 )
15214 });
15215 }
15216 });
15217 return Some((render_toggle)(
15218 buffer_row,
15219 folded,
15220 toggle_callback,
15221 window,
15222 cx,
15223 ));
15224 }
15225 }
15226 }
15227 }
15228
15229 is_foldable |= self.starts_indent(buffer_row);
15230
15231 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15232 Some(
15233 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15234 .toggle_state(folded)
15235 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15236 if folded {
15237 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15238 } else {
15239 this.fold_at(&FoldAt { buffer_row }, window, cx);
15240 }
15241 }))
15242 .into_any_element(),
15243 )
15244 } else {
15245 None
15246 }
15247 }
15248
15249 pub fn render_crease_trailer(
15250 &self,
15251 buffer_row: MultiBufferRow,
15252 window: &mut Window,
15253 cx: &mut App,
15254 ) -> Option<AnyElement> {
15255 let folded = self.is_line_folded(buffer_row);
15256 if let Crease::Inline { render_trailer, .. } = self
15257 .crease_snapshot
15258 .query_row(buffer_row, &self.buffer_snapshot)?
15259 {
15260 let render_trailer = render_trailer.as_ref()?;
15261 Some(render_trailer(buffer_row, folded, window, cx))
15262 } else {
15263 None
15264 }
15265 }
15266}
15267
15268impl Deref for EditorSnapshot {
15269 type Target = DisplaySnapshot;
15270
15271 fn deref(&self) -> &Self::Target {
15272 &self.display_snapshot
15273 }
15274}
15275
15276#[derive(Clone, Debug, PartialEq, Eq)]
15277pub enum EditorEvent {
15278 InputIgnored {
15279 text: Arc<str>,
15280 },
15281 InputHandled {
15282 utf16_range_to_replace: Option<Range<isize>>,
15283 text: Arc<str>,
15284 },
15285 ExcerptsAdded {
15286 buffer: Entity<Buffer>,
15287 predecessor: ExcerptId,
15288 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15289 },
15290 ExcerptsRemoved {
15291 ids: Vec<ExcerptId>,
15292 },
15293 BufferFoldToggled {
15294 ids: Vec<ExcerptId>,
15295 folded: bool,
15296 },
15297 ExcerptsEdited {
15298 ids: Vec<ExcerptId>,
15299 },
15300 ExcerptsExpanded {
15301 ids: Vec<ExcerptId>,
15302 },
15303 BufferEdited,
15304 Edited {
15305 transaction_id: clock::Lamport,
15306 },
15307 Reparsed(BufferId),
15308 Focused,
15309 FocusedIn,
15310 Blurred,
15311 DirtyChanged,
15312 Saved,
15313 TitleChanged,
15314 DiffBaseChanged,
15315 SelectionsChanged {
15316 local: bool,
15317 },
15318 ScrollPositionChanged {
15319 local: bool,
15320 autoscroll: bool,
15321 },
15322 Closed,
15323 TransactionUndone {
15324 transaction_id: clock::Lamport,
15325 },
15326 TransactionBegun {
15327 transaction_id: clock::Lamport,
15328 },
15329 Reloaded,
15330 CursorShapeChanged,
15331}
15332
15333impl EventEmitter<EditorEvent> for Editor {}
15334
15335impl Focusable for Editor {
15336 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15337 self.focus_handle.clone()
15338 }
15339}
15340
15341impl Render for Editor {
15342 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15343 let settings = ThemeSettings::get_global(cx);
15344
15345 let mut text_style = match self.mode {
15346 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15347 color: cx.theme().colors().editor_foreground,
15348 font_family: settings.ui_font.family.clone(),
15349 font_features: settings.ui_font.features.clone(),
15350 font_fallbacks: settings.ui_font.fallbacks.clone(),
15351 font_size: rems(0.875).into(),
15352 font_weight: settings.ui_font.weight,
15353 line_height: relative(settings.buffer_line_height.value()),
15354 ..Default::default()
15355 },
15356 EditorMode::Full => TextStyle {
15357 color: cx.theme().colors().editor_foreground,
15358 font_family: settings.buffer_font.family.clone(),
15359 font_features: settings.buffer_font.features.clone(),
15360 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15361 font_size: settings.buffer_font_size().into(),
15362 font_weight: settings.buffer_font.weight,
15363 line_height: relative(settings.buffer_line_height.value()),
15364 ..Default::default()
15365 },
15366 };
15367 if let Some(text_style_refinement) = &self.text_style_refinement {
15368 text_style.refine(text_style_refinement)
15369 }
15370
15371 let background = match self.mode {
15372 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15373 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15374 EditorMode::Full => cx.theme().colors().editor_background,
15375 };
15376
15377 EditorElement::new(
15378 &cx.entity(),
15379 EditorStyle {
15380 background,
15381 local_player: cx.theme().players().local(),
15382 text: text_style,
15383 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
15384 syntax: cx.theme().syntax().clone(),
15385 status: cx.theme().status().clone(),
15386 inlay_hints_style: make_inlay_hints_style(cx),
15387 inline_completion_styles: make_suggestion_styles(cx),
15388 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
15389 },
15390 )
15391 }
15392}
15393
15394impl EntityInputHandler for Editor {
15395 fn text_for_range(
15396 &mut self,
15397 range_utf16: Range<usize>,
15398 adjusted_range: &mut Option<Range<usize>>,
15399 _: &mut Window,
15400 cx: &mut Context<Self>,
15401 ) -> Option<String> {
15402 let snapshot = self.buffer.read(cx).read(cx);
15403 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
15404 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
15405 if (start.0..end.0) != range_utf16 {
15406 adjusted_range.replace(start.0..end.0);
15407 }
15408 Some(snapshot.text_for_range(start..end).collect())
15409 }
15410
15411 fn selected_text_range(
15412 &mut self,
15413 ignore_disabled_input: bool,
15414 _: &mut Window,
15415 cx: &mut Context<Self>,
15416 ) -> Option<UTF16Selection> {
15417 // Prevent the IME menu from appearing when holding down an alphabetic key
15418 // while input is disabled.
15419 if !ignore_disabled_input && !self.input_enabled {
15420 return None;
15421 }
15422
15423 let selection = self.selections.newest::<OffsetUtf16>(cx);
15424 let range = selection.range();
15425
15426 Some(UTF16Selection {
15427 range: range.start.0..range.end.0,
15428 reversed: selection.reversed,
15429 })
15430 }
15431
15432 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
15433 let snapshot = self.buffer.read(cx).read(cx);
15434 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
15435 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
15436 }
15437
15438 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
15439 self.clear_highlights::<InputComposition>(cx);
15440 self.ime_transaction.take();
15441 }
15442
15443 fn replace_text_in_range(
15444 &mut self,
15445 range_utf16: Option<Range<usize>>,
15446 text: &str,
15447 window: &mut Window,
15448 cx: &mut Context<Self>,
15449 ) {
15450 if !self.input_enabled {
15451 cx.emit(EditorEvent::InputIgnored { text: text.into() });
15452 return;
15453 }
15454
15455 self.transact(window, cx, |this, window, cx| {
15456 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
15457 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15458 Some(this.selection_replacement_ranges(range_utf16, cx))
15459 } else {
15460 this.marked_text_ranges(cx)
15461 };
15462
15463 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
15464 let newest_selection_id = this.selections.newest_anchor().id;
15465 this.selections
15466 .all::<OffsetUtf16>(cx)
15467 .iter()
15468 .zip(ranges_to_replace.iter())
15469 .find_map(|(selection, range)| {
15470 if selection.id == newest_selection_id {
15471 Some(
15472 (range.start.0 as isize - selection.head().0 as isize)
15473 ..(range.end.0 as isize - selection.head().0 as isize),
15474 )
15475 } else {
15476 None
15477 }
15478 })
15479 });
15480
15481 cx.emit(EditorEvent::InputHandled {
15482 utf16_range_to_replace: range_to_replace,
15483 text: text.into(),
15484 });
15485
15486 if let Some(new_selected_ranges) = new_selected_ranges {
15487 this.change_selections(None, window, cx, |selections| {
15488 selections.select_ranges(new_selected_ranges)
15489 });
15490 this.backspace(&Default::default(), window, cx);
15491 }
15492
15493 this.handle_input(text, window, cx);
15494 });
15495
15496 if let Some(transaction) = self.ime_transaction {
15497 self.buffer.update(cx, |buffer, cx| {
15498 buffer.group_until_transaction(transaction, cx);
15499 });
15500 }
15501
15502 self.unmark_text(window, cx);
15503 }
15504
15505 fn replace_and_mark_text_in_range(
15506 &mut self,
15507 range_utf16: Option<Range<usize>>,
15508 text: &str,
15509 new_selected_range_utf16: Option<Range<usize>>,
15510 window: &mut Window,
15511 cx: &mut Context<Self>,
15512 ) {
15513 if !self.input_enabled {
15514 return;
15515 }
15516
15517 let transaction = self.transact(window, cx, |this, window, cx| {
15518 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
15519 let snapshot = this.buffer.read(cx).read(cx);
15520 if let Some(relative_range_utf16) = range_utf16.as_ref() {
15521 for marked_range in &mut marked_ranges {
15522 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
15523 marked_range.start.0 += relative_range_utf16.start;
15524 marked_range.start =
15525 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
15526 marked_range.end =
15527 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
15528 }
15529 }
15530 Some(marked_ranges)
15531 } else if let Some(range_utf16) = range_utf16 {
15532 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15533 Some(this.selection_replacement_ranges(range_utf16, cx))
15534 } else {
15535 None
15536 };
15537
15538 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
15539 let newest_selection_id = this.selections.newest_anchor().id;
15540 this.selections
15541 .all::<OffsetUtf16>(cx)
15542 .iter()
15543 .zip(ranges_to_replace.iter())
15544 .find_map(|(selection, range)| {
15545 if selection.id == newest_selection_id {
15546 Some(
15547 (range.start.0 as isize - selection.head().0 as isize)
15548 ..(range.end.0 as isize - selection.head().0 as isize),
15549 )
15550 } else {
15551 None
15552 }
15553 })
15554 });
15555
15556 cx.emit(EditorEvent::InputHandled {
15557 utf16_range_to_replace: range_to_replace,
15558 text: text.into(),
15559 });
15560
15561 if let Some(ranges) = ranges_to_replace {
15562 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
15563 }
15564
15565 let marked_ranges = {
15566 let snapshot = this.buffer.read(cx).read(cx);
15567 this.selections
15568 .disjoint_anchors()
15569 .iter()
15570 .map(|selection| {
15571 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
15572 })
15573 .collect::<Vec<_>>()
15574 };
15575
15576 if text.is_empty() {
15577 this.unmark_text(window, cx);
15578 } else {
15579 this.highlight_text::<InputComposition>(
15580 marked_ranges.clone(),
15581 HighlightStyle {
15582 underline: Some(UnderlineStyle {
15583 thickness: px(1.),
15584 color: None,
15585 wavy: false,
15586 }),
15587 ..Default::default()
15588 },
15589 cx,
15590 );
15591 }
15592
15593 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
15594 let use_autoclose = this.use_autoclose;
15595 let use_auto_surround = this.use_auto_surround;
15596 this.set_use_autoclose(false);
15597 this.set_use_auto_surround(false);
15598 this.handle_input(text, window, cx);
15599 this.set_use_autoclose(use_autoclose);
15600 this.set_use_auto_surround(use_auto_surround);
15601
15602 if let Some(new_selected_range) = new_selected_range_utf16 {
15603 let snapshot = this.buffer.read(cx).read(cx);
15604 let new_selected_ranges = marked_ranges
15605 .into_iter()
15606 .map(|marked_range| {
15607 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
15608 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
15609 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
15610 snapshot.clip_offset_utf16(new_start, Bias::Left)
15611 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
15612 })
15613 .collect::<Vec<_>>();
15614
15615 drop(snapshot);
15616 this.change_selections(None, window, cx, |selections| {
15617 selections.select_ranges(new_selected_ranges)
15618 });
15619 }
15620 });
15621
15622 self.ime_transaction = self.ime_transaction.or(transaction);
15623 if let Some(transaction) = self.ime_transaction {
15624 self.buffer.update(cx, |buffer, cx| {
15625 buffer.group_until_transaction(transaction, cx);
15626 });
15627 }
15628
15629 if self.text_highlights::<InputComposition>(cx).is_none() {
15630 self.ime_transaction.take();
15631 }
15632 }
15633
15634 fn bounds_for_range(
15635 &mut self,
15636 range_utf16: Range<usize>,
15637 element_bounds: gpui::Bounds<Pixels>,
15638 window: &mut Window,
15639 cx: &mut Context<Self>,
15640 ) -> Option<gpui::Bounds<Pixels>> {
15641 let text_layout_details = self.text_layout_details(window);
15642 let gpui::Point {
15643 x: em_width,
15644 y: line_height,
15645 } = self.character_size(window);
15646
15647 let snapshot = self.snapshot(window, cx);
15648 let scroll_position = snapshot.scroll_position();
15649 let scroll_left = scroll_position.x * em_width;
15650
15651 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
15652 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
15653 + self.gutter_dimensions.width
15654 + self.gutter_dimensions.margin;
15655 let y = line_height * (start.row().as_f32() - scroll_position.y);
15656
15657 Some(Bounds {
15658 origin: element_bounds.origin + point(x, y),
15659 size: size(em_width, line_height),
15660 })
15661 }
15662}
15663
15664trait SelectionExt {
15665 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
15666 fn spanned_rows(
15667 &self,
15668 include_end_if_at_line_start: bool,
15669 map: &DisplaySnapshot,
15670 ) -> Range<MultiBufferRow>;
15671}
15672
15673impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
15674 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
15675 let start = self
15676 .start
15677 .to_point(&map.buffer_snapshot)
15678 .to_display_point(map);
15679 let end = self
15680 .end
15681 .to_point(&map.buffer_snapshot)
15682 .to_display_point(map);
15683 if self.reversed {
15684 end..start
15685 } else {
15686 start..end
15687 }
15688 }
15689
15690 fn spanned_rows(
15691 &self,
15692 include_end_if_at_line_start: bool,
15693 map: &DisplaySnapshot,
15694 ) -> Range<MultiBufferRow> {
15695 let start = self.start.to_point(&map.buffer_snapshot);
15696 let mut end = self.end.to_point(&map.buffer_snapshot);
15697 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
15698 end.row -= 1;
15699 }
15700
15701 let buffer_start = map.prev_line_boundary(start).0;
15702 let buffer_end = map.next_line_boundary(end).0;
15703 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
15704 }
15705}
15706
15707impl<T: InvalidationRegion> InvalidationStack<T> {
15708 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
15709 where
15710 S: Clone + ToOffset,
15711 {
15712 while let Some(region) = self.last() {
15713 let all_selections_inside_invalidation_ranges =
15714 if selections.len() == region.ranges().len() {
15715 selections
15716 .iter()
15717 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
15718 .all(|(selection, invalidation_range)| {
15719 let head = selection.head().to_offset(buffer);
15720 invalidation_range.start <= head && invalidation_range.end >= head
15721 })
15722 } else {
15723 false
15724 };
15725
15726 if all_selections_inside_invalidation_ranges {
15727 break;
15728 } else {
15729 self.pop();
15730 }
15731 }
15732 }
15733}
15734
15735impl<T> Default for InvalidationStack<T> {
15736 fn default() -> Self {
15737 Self(Default::default())
15738 }
15739}
15740
15741impl<T> Deref for InvalidationStack<T> {
15742 type Target = Vec<T>;
15743
15744 fn deref(&self) -> &Self::Target {
15745 &self.0
15746 }
15747}
15748
15749impl<T> DerefMut for InvalidationStack<T> {
15750 fn deref_mut(&mut self) -> &mut Self::Target {
15751 &mut self.0
15752 }
15753}
15754
15755impl InvalidationRegion for SnippetState {
15756 fn ranges(&self) -> &[Range<Anchor>] {
15757 &self.ranges[self.active_index]
15758 }
15759}
15760
15761pub fn diagnostic_block_renderer(
15762 diagnostic: Diagnostic,
15763 max_message_rows: Option<u8>,
15764 allow_closing: bool,
15765 _is_valid: bool,
15766) -> RenderBlock {
15767 let (text_without_backticks, code_ranges) =
15768 highlight_diagnostic_message(&diagnostic, max_message_rows);
15769
15770 Arc::new(move |cx: &mut BlockContext| {
15771 let group_id: SharedString = cx.block_id.to_string().into();
15772
15773 let mut text_style = cx.window.text_style().clone();
15774 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
15775 let theme_settings = ThemeSettings::get_global(cx);
15776 text_style.font_family = theme_settings.buffer_font.family.clone();
15777 text_style.font_style = theme_settings.buffer_font.style;
15778 text_style.font_features = theme_settings.buffer_font.features.clone();
15779 text_style.font_weight = theme_settings.buffer_font.weight;
15780
15781 let multi_line_diagnostic = diagnostic.message.contains('\n');
15782
15783 let buttons = |diagnostic: &Diagnostic| {
15784 if multi_line_diagnostic {
15785 v_flex()
15786 } else {
15787 h_flex()
15788 }
15789 .when(allow_closing, |div| {
15790 div.children(diagnostic.is_primary.then(|| {
15791 IconButton::new("close-block", IconName::XCircle)
15792 .icon_color(Color::Muted)
15793 .size(ButtonSize::Compact)
15794 .style(ButtonStyle::Transparent)
15795 .visible_on_hover(group_id.clone())
15796 .on_click(move |_click, window, cx| {
15797 window.dispatch_action(Box::new(Cancel), cx)
15798 })
15799 .tooltip(|window, cx| {
15800 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
15801 })
15802 }))
15803 })
15804 .child(
15805 IconButton::new("copy-block", IconName::Copy)
15806 .icon_color(Color::Muted)
15807 .size(ButtonSize::Compact)
15808 .style(ButtonStyle::Transparent)
15809 .visible_on_hover(group_id.clone())
15810 .on_click({
15811 let message = diagnostic.message.clone();
15812 move |_click, _, cx| {
15813 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
15814 }
15815 })
15816 .tooltip(Tooltip::text("Copy diagnostic message")),
15817 )
15818 };
15819
15820 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
15821 AvailableSpace::min_size(),
15822 cx.window,
15823 cx.app,
15824 );
15825
15826 h_flex()
15827 .id(cx.block_id)
15828 .group(group_id.clone())
15829 .relative()
15830 .size_full()
15831 .block_mouse_down()
15832 .pl(cx.gutter_dimensions.width)
15833 .w(cx.max_width - cx.gutter_dimensions.full_width())
15834 .child(
15835 div()
15836 .flex()
15837 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
15838 .flex_shrink(),
15839 )
15840 .child(buttons(&diagnostic))
15841 .child(div().flex().flex_shrink_0().child(
15842 StyledText::new(text_without_backticks.clone()).with_highlights(
15843 &text_style,
15844 code_ranges.iter().map(|range| {
15845 (
15846 range.clone(),
15847 HighlightStyle {
15848 font_weight: Some(FontWeight::BOLD),
15849 ..Default::default()
15850 },
15851 )
15852 }),
15853 ),
15854 ))
15855 .into_any_element()
15856 })
15857}
15858
15859fn inline_completion_edit_text(
15860 current_snapshot: &BufferSnapshot,
15861 edits: &[(Range<Anchor>, String)],
15862 edit_preview: &EditPreview,
15863 include_deletions: bool,
15864 cx: &App,
15865) -> Option<HighlightedText> {
15866 let edits = edits
15867 .iter()
15868 .map(|(anchor, text)| {
15869 (
15870 anchor.start.text_anchor..anchor.end.text_anchor,
15871 text.clone(),
15872 )
15873 })
15874 .collect::<Vec<_>>();
15875
15876 Some(edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx))
15877}
15878
15879pub fn highlight_diagnostic_message(
15880 diagnostic: &Diagnostic,
15881 mut max_message_rows: Option<u8>,
15882) -> (SharedString, Vec<Range<usize>>) {
15883 let mut text_without_backticks = String::new();
15884 let mut code_ranges = Vec::new();
15885
15886 if let Some(source) = &diagnostic.source {
15887 text_without_backticks.push_str(source);
15888 code_ranges.push(0..source.len());
15889 text_without_backticks.push_str(": ");
15890 }
15891
15892 let mut prev_offset = 0;
15893 let mut in_code_block = false;
15894 let has_row_limit = max_message_rows.is_some();
15895 let mut newline_indices = diagnostic
15896 .message
15897 .match_indices('\n')
15898 .filter(|_| has_row_limit)
15899 .map(|(ix, _)| ix)
15900 .fuse()
15901 .peekable();
15902
15903 for (quote_ix, _) in diagnostic
15904 .message
15905 .match_indices('`')
15906 .chain([(diagnostic.message.len(), "")])
15907 {
15908 let mut first_newline_ix = None;
15909 let mut last_newline_ix = None;
15910 while let Some(newline_ix) = newline_indices.peek() {
15911 if *newline_ix < quote_ix {
15912 if first_newline_ix.is_none() {
15913 first_newline_ix = Some(*newline_ix);
15914 }
15915 last_newline_ix = Some(*newline_ix);
15916
15917 if let Some(rows_left) = &mut max_message_rows {
15918 if *rows_left == 0 {
15919 break;
15920 } else {
15921 *rows_left -= 1;
15922 }
15923 }
15924 let _ = newline_indices.next();
15925 } else {
15926 break;
15927 }
15928 }
15929 let prev_len = text_without_backticks.len();
15930 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
15931 text_without_backticks.push_str(new_text);
15932 if in_code_block {
15933 code_ranges.push(prev_len..text_without_backticks.len());
15934 }
15935 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
15936 in_code_block = !in_code_block;
15937 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
15938 text_without_backticks.push_str("...");
15939 break;
15940 }
15941 }
15942
15943 (text_without_backticks.into(), code_ranges)
15944}
15945
15946fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
15947 match severity {
15948 DiagnosticSeverity::ERROR => colors.error,
15949 DiagnosticSeverity::WARNING => colors.warning,
15950 DiagnosticSeverity::INFORMATION => colors.info,
15951 DiagnosticSeverity::HINT => colors.info,
15952 _ => colors.ignored,
15953 }
15954}
15955
15956pub fn styled_runs_for_code_label<'a>(
15957 label: &'a CodeLabel,
15958 syntax_theme: &'a theme::SyntaxTheme,
15959) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
15960 let fade_out = HighlightStyle {
15961 fade_out: Some(0.35),
15962 ..Default::default()
15963 };
15964
15965 let mut prev_end = label.filter_range.end;
15966 label
15967 .runs
15968 .iter()
15969 .enumerate()
15970 .flat_map(move |(ix, (range, highlight_id))| {
15971 let style = if let Some(style) = highlight_id.style(syntax_theme) {
15972 style
15973 } else {
15974 return Default::default();
15975 };
15976 let mut muted_style = style;
15977 muted_style.highlight(fade_out);
15978
15979 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
15980 if range.start >= label.filter_range.end {
15981 if range.start > prev_end {
15982 runs.push((prev_end..range.start, fade_out));
15983 }
15984 runs.push((range.clone(), muted_style));
15985 } else if range.end <= label.filter_range.end {
15986 runs.push((range.clone(), style));
15987 } else {
15988 runs.push((range.start..label.filter_range.end, style));
15989 runs.push((label.filter_range.end..range.end, muted_style));
15990 }
15991 prev_end = cmp::max(prev_end, range.end);
15992
15993 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
15994 runs.push((prev_end..label.text.len(), fade_out));
15995 }
15996
15997 runs
15998 })
15999}
16000
16001pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16002 let mut prev_index = 0;
16003 let mut prev_codepoint: Option<char> = None;
16004 text.char_indices()
16005 .chain([(text.len(), '\0')])
16006 .filter_map(move |(index, codepoint)| {
16007 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16008 let is_boundary = index == text.len()
16009 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16010 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16011 if is_boundary {
16012 let chunk = &text[prev_index..index];
16013 prev_index = index;
16014 Some(chunk)
16015 } else {
16016 None
16017 }
16018 })
16019}
16020
16021pub trait RangeToAnchorExt: Sized {
16022 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16023
16024 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16025 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16026 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16027 }
16028}
16029
16030impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16031 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16032 let start_offset = self.start.to_offset(snapshot);
16033 let end_offset = self.end.to_offset(snapshot);
16034 if start_offset == end_offset {
16035 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16036 } else {
16037 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16038 }
16039 }
16040}
16041
16042pub trait RowExt {
16043 fn as_f32(&self) -> f32;
16044
16045 fn next_row(&self) -> Self;
16046
16047 fn previous_row(&self) -> Self;
16048
16049 fn minus(&self, other: Self) -> u32;
16050}
16051
16052impl RowExt for DisplayRow {
16053 fn as_f32(&self) -> f32 {
16054 self.0 as f32
16055 }
16056
16057 fn next_row(&self) -> Self {
16058 Self(self.0 + 1)
16059 }
16060
16061 fn previous_row(&self) -> Self {
16062 Self(self.0.saturating_sub(1))
16063 }
16064
16065 fn minus(&self, other: Self) -> u32 {
16066 self.0 - other.0
16067 }
16068}
16069
16070impl RowExt for MultiBufferRow {
16071 fn as_f32(&self) -> f32 {
16072 self.0 as f32
16073 }
16074
16075 fn next_row(&self) -> Self {
16076 Self(self.0 + 1)
16077 }
16078
16079 fn previous_row(&self) -> Self {
16080 Self(self.0.saturating_sub(1))
16081 }
16082
16083 fn minus(&self, other: Self) -> u32 {
16084 self.0 - other.0
16085 }
16086}
16087
16088trait RowRangeExt {
16089 type Row;
16090
16091 fn len(&self) -> usize;
16092
16093 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16094}
16095
16096impl RowRangeExt for Range<MultiBufferRow> {
16097 type Row = MultiBufferRow;
16098
16099 fn len(&self) -> usize {
16100 (self.end.0 - self.start.0) as usize
16101 }
16102
16103 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16104 (self.start.0..self.end.0).map(MultiBufferRow)
16105 }
16106}
16107
16108impl RowRangeExt for Range<DisplayRow> {
16109 type Row = DisplayRow;
16110
16111 fn len(&self) -> usize {
16112 (self.end.0 - self.start.0) as usize
16113 }
16114
16115 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16116 (self.start.0..self.end.0).map(DisplayRow)
16117 }
16118}
16119
16120/// If select range has more than one line, we
16121/// just point the cursor to range.start.
16122fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16123 if range.start.row == range.end.row {
16124 range
16125 } else {
16126 range.start..range.start
16127 }
16128}
16129pub struct KillRing(ClipboardItem);
16130impl Global for KillRing {}
16131
16132const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16133
16134fn all_edits_insertions_or_deletions(
16135 edits: &Vec<(Range<Anchor>, String)>,
16136 snapshot: &MultiBufferSnapshot,
16137) -> bool {
16138 let mut all_insertions = true;
16139 let mut all_deletions = true;
16140
16141 for (range, new_text) in edits.iter() {
16142 let range_is_empty = range.to_offset(&snapshot).is_empty();
16143 let text_is_empty = new_text.is_empty();
16144
16145 if range_is_empty != text_is_empty {
16146 if range_is_empty {
16147 all_deletions = false;
16148 } else {
16149 all_insertions = false;
16150 }
16151 } else {
16152 return false;
16153 }
16154
16155 if !all_insertions && !all_deletions {
16156 return false;
16157 }
16158 }
16159 all_insertions || all_deletions
16160}