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, PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled, StyledText,
85 Subscription, Task, TextStyle, TextStyleRefinement, UTF16Selection, UnderlineStyle,
86 UniformListScrollHandle, WeakEntity, WeakFocusHandle, Window,
87};
88use highlight_matching_bracket::refresh_matching_bracket_highlights;
89use hover_popover::{hide_hover, HoverState};
90use indent_guides::ActiveIndentGuidesState;
91use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
92pub use inline_completion::Direction;
93use inline_completion::{InlineCompletionProvider, InlineCompletionProviderHandle};
94pub use items::MAX_TAB_TITLE_LEN;
95use itertools::Itertools;
96use language::{
97 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
98 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
99 CursorShape, Diagnostic, Documentation, IndentKind, IndentSize, Language, OffsetRangeExt,
100 Point, Selection, SelectionGoal, TextObject, TransactionId, TreeSitterOptions,
101};
102use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
103use linked_editing_ranges::refresh_linked_ranges;
104use mouse_context_menu::MouseContextMenu;
105pub use proposed_changes_editor::{
106 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
107};
108use similar::{ChangeTag, TextDiff};
109use std::iter::Peekable;
110use task::{ResolvedTask, TaskTemplate, TaskVariables};
111
112use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
113pub use lsp::CompletionContext;
114use lsp::{
115 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
116 LanguageServerId, LanguageServerName,
117};
118
119use movement::TextLayoutDetails;
120pub use multi_buffer::{
121 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
122 ToOffset, ToPoint,
123};
124use multi_buffer::{
125 ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16,
126};
127use project::{
128 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
129 project_settings::{GitGutterSetting, ProjectSettings},
130 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
131 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
132};
133use rand::prelude::*;
134use rpc::{proto::*, ErrorExt};
135use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
136use selections_collection::{
137 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
138};
139use serde::{Deserialize, Serialize};
140use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
141use smallvec::SmallVec;
142use snippet::Snippet;
143use std::{
144 any::TypeId,
145 borrow::Cow,
146 cell::RefCell,
147 cmp::{self, Ordering, Reverse},
148 mem,
149 num::NonZeroU32,
150 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
151 path::{Path, PathBuf},
152 rc::Rc,
153 sync::Arc,
154 time::{Duration, Instant},
155};
156pub use sum_tree::Bias;
157use sum_tree::TreeMap;
158use text::{BufferId, OffsetUtf16, Rope};
159use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
160use ui::{
161 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
162 Tooltip,
163};
164use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};
165use workspace::item::{ItemHandle, PreviewTabsSettings};
166use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
167use workspace::{
168 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
169};
170use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
171
172use crate::hover_links::{find_url, find_url_from_range};
173use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
174
175pub const FILE_HEADER_HEIGHT: u32 = 2;
176pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
177pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
178pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
179const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
180const MAX_LINE_LEN: usize = 1024;
181const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
182const MAX_SELECTION_HISTORY_LEN: usize = 1024;
183pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
184#[doc(hidden)]
185pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
186
187pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
188pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
189
190pub fn render_parsed_markdown(
191 element_id: impl Into<ElementId>,
192 parsed: &language::ParsedMarkdown,
193 editor_style: &EditorStyle,
194 workspace: Option<WeakEntity<Workspace>>,
195 cx: &mut App,
196) -> InteractiveText {
197 let code_span_background_color = cx
198 .theme()
199 .colors()
200 .editor_document_highlight_read_background;
201
202 let highlights = gpui::combine_highlights(
203 parsed.highlights.iter().filter_map(|(range, highlight)| {
204 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
205 Some((range.clone(), highlight))
206 }),
207 parsed
208 .regions
209 .iter()
210 .zip(&parsed.region_ranges)
211 .filter_map(|(region, range)| {
212 if region.code {
213 Some((
214 range.clone(),
215 HighlightStyle {
216 background_color: Some(code_span_background_color),
217 ..Default::default()
218 },
219 ))
220 } else {
221 None
222 }
223 }),
224 );
225
226 let mut links = Vec::new();
227 let mut link_ranges = Vec::new();
228 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
229 if let Some(link) = region.link.clone() {
230 links.push(link);
231 link_ranges.push(range.clone());
232 }
233 }
234
235 InteractiveText::new(
236 element_id,
237 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
238 )
239 .on_click(
240 link_ranges,
241 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
242 markdown::Link::Web { url } => cx.open_url(url),
243 markdown::Link::Path { path } => {
244 if let Some(workspace) = &workspace {
245 _ = workspace.update(cx, |workspace, cx| {
246 workspace
247 .open_abs_path(path.clone(), false, window, cx)
248 .detach();
249 });
250 }
251 }
252 },
253 )
254}
255
256#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
257pub enum InlayId {
258 InlineCompletion(usize),
259 Hint(usize),
260}
261
262impl InlayId {
263 fn id(&self) -> usize {
264 match self {
265 Self::InlineCompletion(id) => *id,
266 Self::Hint(id) => *id,
267 }
268 }
269}
270
271enum DocumentHighlightRead {}
272enum DocumentHighlightWrite {}
273enum InputComposition {}
274
275#[derive(Debug, Copy, Clone, PartialEq, Eq)]
276pub enum Navigated {
277 Yes,
278 No,
279}
280
281impl Navigated {
282 pub fn from_bool(yes: bool) -> Navigated {
283 if yes {
284 Navigated::Yes
285 } else {
286 Navigated::No
287 }
288 }
289}
290
291pub fn init_settings(cx: &mut App) {
292 EditorSettings::register(cx);
293}
294
295pub fn init(cx: &mut App) {
296 init_settings(cx);
297
298 workspace::register_project_item::<Editor>(cx);
299 workspace::FollowableViewRegistry::register::<Editor>(cx);
300 workspace::register_serializable_item::<Editor>(cx);
301
302 cx.observe_new(
303 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
304 workspace.register_action(Editor::new_file);
305 workspace.register_action(Editor::new_file_vertical);
306 workspace.register_action(Editor::new_file_horizontal);
307 },
308 )
309 .detach();
310
311 cx.on_action(move |_: &workspace::NewFile, cx| {
312 let app_state = workspace::AppState::global(cx);
313 if let Some(app_state) = app_state.upgrade() {
314 workspace::open_new(
315 Default::default(),
316 app_state,
317 cx,
318 |workspace, window, cx| {
319 Editor::new_file(workspace, &Default::default(), window, cx)
320 },
321 )
322 .detach();
323 }
324 });
325 cx.on_action(move |_: &workspace::NewWindow, cx| {
326 let app_state = workspace::AppState::global(cx);
327 if let Some(app_state) = app_state.upgrade() {
328 workspace::open_new(
329 Default::default(),
330 app_state,
331 cx,
332 |workspace, window, cx| {
333 Editor::new_file(workspace, &Default::default(), window, cx)
334 },
335 )
336 .detach();
337 }
338 });
339 git::project_diff::init(cx);
340}
341
342pub struct SearchWithinRange;
343
344trait InvalidationRegion {
345 fn ranges(&self) -> &[Range<Anchor>];
346}
347
348#[derive(Clone, Debug, PartialEq)]
349pub enum SelectPhase {
350 Begin {
351 position: DisplayPoint,
352 add: bool,
353 click_count: usize,
354 },
355 BeginColumnar {
356 position: DisplayPoint,
357 reset: bool,
358 goal_column: u32,
359 },
360 Extend {
361 position: DisplayPoint,
362 click_count: usize,
363 },
364 Update {
365 position: DisplayPoint,
366 goal_column: u32,
367 scroll_delta: gpui::Point<f32>,
368 },
369 End,
370}
371
372#[derive(Clone, Debug)]
373pub enum SelectMode {
374 Character,
375 Word(Range<Anchor>),
376 Line(Range<Anchor>),
377 All,
378}
379
380#[derive(Copy, Clone, PartialEq, Eq, Debug)]
381pub enum EditorMode {
382 SingleLine { auto_width: bool },
383 AutoHeight { max_lines: usize },
384 Full,
385}
386
387#[derive(Copy, Clone, Debug)]
388pub enum SoftWrap {
389 /// Prefer not to wrap at all.
390 ///
391 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
392 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
393 GitDiff,
394 /// Prefer a single line generally, unless an overly long line is encountered.
395 None,
396 /// Soft wrap lines that exceed the editor width.
397 EditorWidth,
398 /// Soft wrap lines at the preferred line length.
399 Column(u32),
400 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
401 Bounded(u32),
402}
403
404#[derive(Clone)]
405pub struct EditorStyle {
406 pub background: Hsla,
407 pub local_player: PlayerColor,
408 pub text: TextStyle,
409 pub scrollbar_width: Pixels,
410 pub syntax: Arc<SyntaxTheme>,
411 pub status: StatusColors,
412 pub inlay_hints_style: HighlightStyle,
413 pub inline_completion_styles: InlineCompletionStyles,
414 pub unnecessary_code_fade: f32,
415}
416
417impl Default for EditorStyle {
418 fn default() -> Self {
419 Self {
420 background: Hsla::default(),
421 local_player: PlayerColor::default(),
422 text: TextStyle::default(),
423 scrollbar_width: Pixels::default(),
424 syntax: Default::default(),
425 // HACK: Status colors don't have a real default.
426 // We should look into removing the status colors from the editor
427 // style and retrieve them directly from the theme.
428 status: StatusColors::dark(),
429 inlay_hints_style: HighlightStyle::default(),
430 inline_completion_styles: InlineCompletionStyles {
431 insertion: HighlightStyle::default(),
432 whitespace: HighlightStyle::default(),
433 },
434 unnecessary_code_fade: Default::default(),
435 }
436 }
437}
438
439pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
440 let show_background = language_settings::language_settings(None, None, cx)
441 .inlay_hints
442 .show_background;
443
444 HighlightStyle {
445 color: Some(cx.theme().status().hint),
446 background_color: show_background.then(|| cx.theme().status().hint_background),
447 ..HighlightStyle::default()
448 }
449}
450
451pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
452 InlineCompletionStyles {
453 insertion: HighlightStyle {
454 color: Some(cx.theme().status().predictive),
455 ..HighlightStyle::default()
456 },
457 whitespace: HighlightStyle {
458 background_color: Some(cx.theme().status().created_background),
459 ..HighlightStyle::default()
460 },
461 }
462}
463
464type CompletionId = usize;
465
466#[derive(Debug, Clone)]
467enum InlineCompletionMenuHint {
468 Loading,
469 Loaded { text: InlineCompletionText },
470 PendingTermsAcceptance,
471 None,
472}
473
474impl InlineCompletionMenuHint {
475 pub fn label(&self) -> &'static str {
476 match self {
477 InlineCompletionMenuHint::Loading | InlineCompletionMenuHint::Loaded { .. } => {
478 "Edit Prediction"
479 }
480 InlineCompletionMenuHint::PendingTermsAcceptance => "Accept Terms of Service",
481 InlineCompletionMenuHint::None => "No Prediction",
482 }
483 }
484}
485
486#[derive(Clone, Debug)]
487enum InlineCompletionText {
488 Move(SharedString),
489 Edit {
490 text: SharedString,
491 highlights: Vec<(Range<usize>, HighlightStyle)>,
492 },
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 display_mode: EditDisplayMode,
505 },
506 Move(Anchor),
507}
508
509struct InlineCompletionState {
510 inlay_ids: Vec<InlayId>,
511 completion: InlineCompletion,
512 invalidation_range: Range<Anchor>,
513}
514
515enum InlineCompletionHighlight {}
516
517pub enum MenuInlineCompletionsPolicy {
518 Never,
519 ByProvider,
520}
521
522#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
523struct EditorActionId(usize);
524
525impl EditorActionId {
526 pub fn post_inc(&mut self) -> Self {
527 let answer = self.0;
528
529 *self = Self(answer + 1);
530
531 Self(answer)
532 }
533}
534
535// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
536// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
537
538type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
539type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
540
541#[derive(Default)]
542struct ScrollbarMarkerState {
543 scrollbar_size: Size<Pixels>,
544 dirty: bool,
545 markers: Arc<[PaintQuad]>,
546 pending_refresh: Option<Task<Result<()>>>,
547}
548
549impl ScrollbarMarkerState {
550 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
551 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
552 }
553}
554
555#[derive(Clone, Debug)]
556struct RunnableTasks {
557 templates: Vec<(TaskSourceKind, TaskTemplate)>,
558 offset: MultiBufferOffset,
559 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
560 column: u32,
561 // Values of all named captures, including those starting with '_'
562 extra_variables: HashMap<String, String>,
563 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
564 context_range: Range<BufferOffset>,
565}
566
567impl RunnableTasks {
568 fn resolve<'a>(
569 &'a self,
570 cx: &'a task::TaskContext,
571 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
572 self.templates.iter().filter_map(|(kind, template)| {
573 template
574 .resolve_task(&kind.to_id_base(), cx)
575 .map(|task| (kind.clone(), task))
576 })
577 }
578}
579
580#[derive(Clone)]
581struct ResolvedTasks {
582 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
583 position: Anchor,
584}
585#[derive(Copy, Clone, Debug)]
586struct MultiBufferOffset(usize);
587#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
588struct BufferOffset(usize);
589
590// Addons allow storing per-editor state in other crates (e.g. Vim)
591pub trait Addon: 'static {
592 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
593
594 fn to_any(&self) -> &dyn std::any::Any;
595}
596
597#[derive(Debug, Copy, Clone, PartialEq, Eq)]
598pub enum IsVimMode {
599 Yes,
600 No,
601}
602
603/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
604///
605/// See the [module level documentation](self) for more information.
606pub struct Editor {
607 focus_handle: FocusHandle,
608 last_focused_descendant: Option<WeakFocusHandle>,
609 /// The text buffer being edited
610 buffer: Entity<MultiBuffer>,
611 /// Map of how text in the buffer should be displayed.
612 /// Handles soft wraps, folds, fake inlay text insertions, etc.
613 pub display_map: Entity<DisplayMap>,
614 pub selections: SelectionsCollection,
615 pub scroll_manager: ScrollManager,
616 /// When inline assist editors are linked, they all render cursors because
617 /// typing enters text into each of them, even the ones that aren't focused.
618 pub(crate) show_cursor_when_unfocused: bool,
619 columnar_selection_tail: Option<Anchor>,
620 add_selections_state: Option<AddSelectionsState>,
621 select_next_state: Option<SelectNextState>,
622 select_prev_state: Option<SelectNextState>,
623 selection_history: SelectionHistory,
624 autoclose_regions: Vec<AutocloseRegion>,
625 snippet_stack: InvalidationStack<SnippetState>,
626 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
627 ime_transaction: Option<TransactionId>,
628 active_diagnostics: Option<ActiveDiagnosticGroup>,
629 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
630
631 project: Option<Entity<Project>>,
632 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
633 completion_provider: Option<Box<dyn CompletionProvider>>,
634 collaboration_hub: Option<Box<dyn CollaborationHub>>,
635 blink_manager: Entity<BlinkManager>,
636 show_cursor_names: bool,
637 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
638 pub show_local_selections: bool,
639 mode: EditorMode,
640 show_breadcrumbs: bool,
641 show_gutter: bool,
642 show_scrollbars: bool,
643 show_line_numbers: Option<bool>,
644 use_relative_line_numbers: Option<bool>,
645 show_git_diff_gutter: Option<bool>,
646 show_code_actions: Option<bool>,
647 show_runnables: Option<bool>,
648 show_wrap_guides: Option<bool>,
649 show_indent_guides: Option<bool>,
650 placeholder_text: Option<Arc<str>>,
651 highlight_order: usize,
652 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
653 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
654 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
655 scrollbar_marker_state: ScrollbarMarkerState,
656 active_indent_guides_state: ActiveIndentGuidesState,
657 nav_history: Option<ItemNavHistory>,
658 context_menu: RefCell<Option<CodeContextMenu>>,
659 mouse_context_menu: Option<MouseContextMenu>,
660 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
661 signature_help_state: SignatureHelpState,
662 auto_signature_help: Option<bool>,
663 find_all_references_task_sources: Vec<Anchor>,
664 next_completion_id: CompletionId,
665 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
666 code_actions_task: Option<Task<Result<()>>>,
667 document_highlights_task: Option<Task<()>>,
668 linked_editing_range_task: Option<Task<Option<()>>>,
669 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
670 pending_rename: Option<RenameState>,
671 searchable: bool,
672 cursor_shape: CursorShape,
673 current_line_highlight: Option<CurrentLineHighlight>,
674 collapse_matches: bool,
675 autoindent_mode: Option<AutoindentMode>,
676 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
677 input_enabled: bool,
678 use_modal_editing: bool,
679 read_only: bool,
680 leader_peer_id: Option<PeerId>,
681 remote_id: Option<ViewId>,
682 hover_state: HoverState,
683 gutter_hovered: bool,
684 hovered_link_state: Option<HoveredLinkState>,
685 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
686 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
687 active_inline_completion: Option<InlineCompletionState>,
688 // enable_inline_completions is a switch that Vim can use to disable
689 // inline completions based on its mode.
690 enable_inline_completions: bool,
691 show_inline_completions_override: Option<bool>,
692 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
693 inlay_hint_cache: InlayHintCache,
694 next_inlay_id: usize,
695 _subscriptions: Vec<Subscription>,
696 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
697 gutter_dimensions: GutterDimensions,
698 style: Option<EditorStyle>,
699 text_style_refinement: Option<TextStyleRefinement>,
700 next_editor_action_id: EditorActionId,
701 editor_actions:
702 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
703 use_autoclose: bool,
704 use_auto_surround: bool,
705 auto_replace_emoji_shortcode: bool,
706 show_git_blame_gutter: bool,
707 show_git_blame_inline: bool,
708 show_git_blame_inline_delay_task: Option<Task<()>>,
709 git_blame_inline_enabled: bool,
710 serialize_dirty_buffers: bool,
711 show_selection_menu: Option<bool>,
712 blame: Option<Entity<GitBlame>>,
713 blame_subscription: Option<Subscription>,
714 custom_context_menu: Option<
715 Box<
716 dyn 'static
717 + Fn(
718 &mut Self,
719 DisplayPoint,
720 &mut Window,
721 &mut Context<Self>,
722 ) -> Option<Entity<ui::ContextMenu>>,
723 >,
724 >,
725 last_bounds: Option<Bounds<Pixels>>,
726 expect_bounds_change: Option<Bounds<Pixels>>,
727 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
728 tasks_update_task: Option<Task<()>>,
729 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
730 breadcrumb_header: Option<String>,
731 focused_block: Option<FocusedBlock>,
732 next_scroll_position: NextScrollCursorCenterTopBottom,
733 addons: HashMap<TypeId, Box<dyn Addon>>,
734 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
735 selection_mark_mode: bool,
736 toggle_fold_multiple_buffers: Task<()>,
737 _scroll_cursor_center_top_bottom_task: Task<()>,
738}
739
740#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
741enum NextScrollCursorCenterTopBottom {
742 #[default]
743 Center,
744 Top,
745 Bottom,
746}
747
748impl NextScrollCursorCenterTopBottom {
749 fn next(&self) -> Self {
750 match self {
751 Self::Center => Self::Top,
752 Self::Top => Self::Bottom,
753 Self::Bottom => Self::Center,
754 }
755 }
756}
757
758#[derive(Clone)]
759pub struct EditorSnapshot {
760 pub mode: EditorMode,
761 show_gutter: bool,
762 show_line_numbers: Option<bool>,
763 show_git_diff_gutter: Option<bool>,
764 show_code_actions: Option<bool>,
765 show_runnables: Option<bool>,
766 git_blame_gutter_max_author_length: Option<usize>,
767 pub display_snapshot: DisplaySnapshot,
768 pub placeholder_text: Option<Arc<str>>,
769 is_focused: bool,
770 scroll_anchor: ScrollAnchor,
771 ongoing_scroll: OngoingScroll,
772 current_line_highlight: CurrentLineHighlight,
773 gutter_hovered: bool,
774}
775
776const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
777
778#[derive(Default, Debug, Clone, Copy)]
779pub struct GutterDimensions {
780 pub left_padding: Pixels,
781 pub right_padding: Pixels,
782 pub width: Pixels,
783 pub margin: Pixels,
784 pub git_blame_entries_width: Option<Pixels>,
785}
786
787impl GutterDimensions {
788 /// The full width of the space taken up by the gutter.
789 pub fn full_width(&self) -> Pixels {
790 self.margin + self.width
791 }
792
793 /// The width of the space reserved for the fold indicators,
794 /// use alongside 'justify_end' and `gutter_width` to
795 /// right align content with the line numbers
796 pub fn fold_area_width(&self) -> Pixels {
797 self.margin + self.right_padding
798 }
799}
800
801#[derive(Debug)]
802pub struct RemoteSelection {
803 pub replica_id: ReplicaId,
804 pub selection: Selection<Anchor>,
805 pub cursor_shape: CursorShape,
806 pub peer_id: PeerId,
807 pub line_mode: bool,
808 pub participant_index: Option<ParticipantIndex>,
809 pub user_name: Option<SharedString>,
810}
811
812#[derive(Clone, Debug)]
813struct SelectionHistoryEntry {
814 selections: Arc<[Selection<Anchor>]>,
815 select_next_state: Option<SelectNextState>,
816 select_prev_state: Option<SelectNextState>,
817 add_selections_state: Option<AddSelectionsState>,
818}
819
820enum SelectionHistoryMode {
821 Normal,
822 Undoing,
823 Redoing,
824}
825
826#[derive(Clone, PartialEq, Eq, Hash)]
827struct HoveredCursor {
828 replica_id: u16,
829 selection_id: usize,
830}
831
832impl Default for SelectionHistoryMode {
833 fn default() -> Self {
834 Self::Normal
835 }
836}
837
838#[derive(Default)]
839struct SelectionHistory {
840 #[allow(clippy::type_complexity)]
841 selections_by_transaction:
842 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
843 mode: SelectionHistoryMode,
844 undo_stack: VecDeque<SelectionHistoryEntry>,
845 redo_stack: VecDeque<SelectionHistoryEntry>,
846}
847
848impl SelectionHistory {
849 fn insert_transaction(
850 &mut self,
851 transaction_id: TransactionId,
852 selections: Arc<[Selection<Anchor>]>,
853 ) {
854 self.selections_by_transaction
855 .insert(transaction_id, (selections, None));
856 }
857
858 #[allow(clippy::type_complexity)]
859 fn transaction(
860 &self,
861 transaction_id: TransactionId,
862 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
863 self.selections_by_transaction.get(&transaction_id)
864 }
865
866 #[allow(clippy::type_complexity)]
867 fn transaction_mut(
868 &mut self,
869 transaction_id: TransactionId,
870 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
871 self.selections_by_transaction.get_mut(&transaction_id)
872 }
873
874 fn push(&mut self, entry: SelectionHistoryEntry) {
875 if !entry.selections.is_empty() {
876 match self.mode {
877 SelectionHistoryMode::Normal => {
878 self.push_undo(entry);
879 self.redo_stack.clear();
880 }
881 SelectionHistoryMode::Undoing => self.push_redo(entry),
882 SelectionHistoryMode::Redoing => self.push_undo(entry),
883 }
884 }
885 }
886
887 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
888 if self
889 .undo_stack
890 .back()
891 .map_or(true, |e| e.selections != entry.selections)
892 {
893 self.undo_stack.push_back(entry);
894 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
895 self.undo_stack.pop_front();
896 }
897 }
898 }
899
900 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
901 if self
902 .redo_stack
903 .back()
904 .map_or(true, |e| e.selections != entry.selections)
905 {
906 self.redo_stack.push_back(entry);
907 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
908 self.redo_stack.pop_front();
909 }
910 }
911 }
912}
913
914struct RowHighlight {
915 index: usize,
916 range: Range<Anchor>,
917 color: Hsla,
918 should_autoscroll: bool,
919}
920
921#[derive(Clone, Debug)]
922struct AddSelectionsState {
923 above: bool,
924 stack: Vec<usize>,
925}
926
927#[derive(Clone)]
928struct SelectNextState {
929 query: AhoCorasick,
930 wordwise: bool,
931 done: bool,
932}
933
934impl std::fmt::Debug for SelectNextState {
935 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
936 f.debug_struct(std::any::type_name::<Self>())
937 .field("wordwise", &self.wordwise)
938 .field("done", &self.done)
939 .finish()
940 }
941}
942
943#[derive(Debug)]
944struct AutocloseRegion {
945 selection_id: usize,
946 range: Range<Anchor>,
947 pair: BracketPair,
948}
949
950#[derive(Debug)]
951struct SnippetState {
952 ranges: Vec<Vec<Range<Anchor>>>,
953 active_index: usize,
954 choices: Vec<Option<Vec<String>>>,
955}
956
957#[doc(hidden)]
958pub struct RenameState {
959 pub range: Range<Anchor>,
960 pub old_name: Arc<str>,
961 pub editor: Entity<Editor>,
962 block_id: CustomBlockId,
963}
964
965struct InvalidationStack<T>(Vec<T>);
966
967struct RegisteredInlineCompletionProvider {
968 provider: Arc<dyn InlineCompletionProviderHandle>,
969 _subscription: Subscription,
970}
971
972#[derive(Debug)]
973struct ActiveDiagnosticGroup {
974 primary_range: Range<Anchor>,
975 primary_message: String,
976 group_id: usize,
977 blocks: HashMap<CustomBlockId, Diagnostic>,
978 is_valid: bool,
979}
980
981#[derive(Serialize, Deserialize, Clone, Debug)]
982pub struct ClipboardSelection {
983 pub len: usize,
984 pub is_entire_line: bool,
985 pub first_line_indent: u32,
986}
987
988#[derive(Debug)]
989pub(crate) struct NavigationData {
990 cursor_anchor: Anchor,
991 cursor_position: Point,
992 scroll_anchor: ScrollAnchor,
993 scroll_top_row: u32,
994}
995
996#[derive(Debug, Clone, Copy, PartialEq, Eq)]
997pub enum GotoDefinitionKind {
998 Symbol,
999 Declaration,
1000 Type,
1001 Implementation,
1002}
1003
1004#[derive(Debug, Clone)]
1005enum InlayHintRefreshReason {
1006 Toggle(bool),
1007 SettingsChange(InlayHintSettings),
1008 NewLinesShown,
1009 BufferEdited(HashSet<Arc<Language>>),
1010 RefreshRequested,
1011 ExcerptsRemoved(Vec<ExcerptId>),
1012}
1013
1014impl InlayHintRefreshReason {
1015 fn description(&self) -> &'static str {
1016 match self {
1017 Self::Toggle(_) => "toggle",
1018 Self::SettingsChange(_) => "settings change",
1019 Self::NewLinesShown => "new lines shown",
1020 Self::BufferEdited(_) => "buffer edited",
1021 Self::RefreshRequested => "refresh requested",
1022 Self::ExcerptsRemoved(_) => "excerpts removed",
1023 }
1024 }
1025}
1026
1027pub enum FormatTarget {
1028 Buffers,
1029 Ranges(Vec<Range<MultiBufferPoint>>),
1030}
1031
1032pub(crate) struct FocusedBlock {
1033 id: BlockId,
1034 focus_handle: WeakFocusHandle,
1035}
1036
1037#[derive(Clone)]
1038enum JumpData {
1039 MultiBufferRow {
1040 row: MultiBufferRow,
1041 line_offset_from_top: u32,
1042 },
1043 MultiBufferPoint {
1044 excerpt_id: ExcerptId,
1045 position: Point,
1046 anchor: text::Anchor,
1047 line_offset_from_top: u32,
1048 },
1049}
1050
1051pub enum MultibufferSelectionMode {
1052 First,
1053 All,
1054}
1055
1056impl Editor {
1057 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1058 let buffer = cx.new(|cx| Buffer::local("", cx));
1059 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1060 Self::new(
1061 EditorMode::SingleLine { auto_width: false },
1062 buffer,
1063 None,
1064 false,
1065 window,
1066 cx,
1067 )
1068 }
1069
1070 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1071 let buffer = cx.new(|cx| Buffer::local("", cx));
1072 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1073 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1074 }
1075
1076 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1077 let buffer = cx.new(|cx| Buffer::local("", cx));
1078 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1079 Self::new(
1080 EditorMode::SingleLine { auto_width: true },
1081 buffer,
1082 None,
1083 false,
1084 window,
1085 cx,
1086 )
1087 }
1088
1089 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1090 let buffer = cx.new(|cx| Buffer::local("", cx));
1091 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1092 Self::new(
1093 EditorMode::AutoHeight { max_lines },
1094 buffer,
1095 None,
1096 false,
1097 window,
1098 cx,
1099 )
1100 }
1101
1102 pub fn for_buffer(
1103 buffer: Entity<Buffer>,
1104 project: Option<Entity<Project>>,
1105 window: &mut Window,
1106 cx: &mut Context<Self>,
1107 ) -> Self {
1108 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1109 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1110 }
1111
1112 pub fn for_multibuffer(
1113 buffer: Entity<MultiBuffer>,
1114 project: Option<Entity<Project>>,
1115 show_excerpt_controls: bool,
1116 window: &mut Window,
1117 cx: &mut Context<Self>,
1118 ) -> Self {
1119 Self::new(
1120 EditorMode::Full,
1121 buffer,
1122 project,
1123 show_excerpt_controls,
1124 window,
1125 cx,
1126 )
1127 }
1128
1129 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1130 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1131 let mut clone = Self::new(
1132 self.mode,
1133 self.buffer.clone(),
1134 self.project.clone(),
1135 show_excerpt_controls,
1136 window,
1137 cx,
1138 );
1139 self.display_map.update(cx, |display_map, cx| {
1140 let snapshot = display_map.snapshot(cx);
1141 clone.display_map.update(cx, |display_map, cx| {
1142 display_map.set_state(&snapshot, cx);
1143 });
1144 });
1145 clone.selections.clone_state(&self.selections);
1146 clone.scroll_manager.clone_state(&self.scroll_manager);
1147 clone.searchable = self.searchable;
1148 clone
1149 }
1150
1151 pub fn new(
1152 mode: EditorMode,
1153 buffer: Entity<MultiBuffer>,
1154 project: Option<Entity<Project>>,
1155 show_excerpt_controls: bool,
1156 window: &mut Window,
1157 cx: &mut Context<Self>,
1158 ) -> Self {
1159 let style = window.text_style();
1160 let font_size = style.font_size.to_pixels(window.rem_size());
1161 let editor = cx.entity().downgrade();
1162 let fold_placeholder = FoldPlaceholder {
1163 constrain_width: true,
1164 render: Arc::new(move |fold_id, fold_range, _, cx| {
1165 let editor = editor.clone();
1166 div()
1167 .id(fold_id)
1168 .bg(cx.theme().colors().ghost_element_background)
1169 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1170 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1171 .rounded_sm()
1172 .size_full()
1173 .cursor_pointer()
1174 .child("⋯")
1175 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1176 .on_click(move |_, _window, cx| {
1177 editor
1178 .update(cx, |editor, cx| {
1179 editor.unfold_ranges(
1180 &[fold_range.start..fold_range.end],
1181 true,
1182 false,
1183 cx,
1184 );
1185 cx.stop_propagation();
1186 })
1187 .ok();
1188 })
1189 .into_any()
1190 }),
1191 merge_adjacent: true,
1192 ..Default::default()
1193 };
1194 let display_map = cx.new(|cx| {
1195 DisplayMap::new(
1196 buffer.clone(),
1197 style.font(),
1198 font_size,
1199 None,
1200 show_excerpt_controls,
1201 FILE_HEADER_HEIGHT,
1202 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1203 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1204 fold_placeholder,
1205 cx,
1206 )
1207 });
1208
1209 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1210
1211 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1212
1213 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1214 .then(|| language_settings::SoftWrap::None);
1215
1216 let mut project_subscriptions = Vec::new();
1217 if mode == EditorMode::Full {
1218 if let Some(project) = project.as_ref() {
1219 if buffer.read(cx).is_singleton() {
1220 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1221 cx.emit(EditorEvent::TitleChanged);
1222 }));
1223 }
1224 project_subscriptions.push(cx.subscribe_in(
1225 project,
1226 window,
1227 |editor, _, event, window, cx| {
1228 if let project::Event::RefreshInlayHints = event {
1229 editor
1230 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1231 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1232 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1233 let focus_handle = editor.focus_handle(cx);
1234 if focus_handle.is_focused(window) {
1235 let snapshot = buffer.read(cx).snapshot();
1236 for (range, snippet) in snippet_edits {
1237 let editor_range =
1238 language::range_from_lsp(*range).to_offset(&snapshot);
1239 editor
1240 .insert_snippet(
1241 &[editor_range],
1242 snippet.clone(),
1243 window,
1244 cx,
1245 )
1246 .ok();
1247 }
1248 }
1249 }
1250 }
1251 },
1252 ));
1253 if let Some(task_inventory) = project
1254 .read(cx)
1255 .task_store()
1256 .read(cx)
1257 .task_inventory()
1258 .cloned()
1259 {
1260 project_subscriptions.push(cx.observe_in(
1261 &task_inventory,
1262 window,
1263 |editor, _, window, cx| {
1264 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1265 },
1266 ));
1267 }
1268 }
1269 }
1270
1271 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1272
1273 let inlay_hint_settings =
1274 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1275 let focus_handle = cx.focus_handle();
1276 cx.on_focus(&focus_handle, window, Self::handle_focus)
1277 .detach();
1278 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1279 .detach();
1280 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1281 .detach();
1282 cx.on_blur(&focus_handle, window, Self::handle_blur)
1283 .detach();
1284
1285 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1286 Some(false)
1287 } else {
1288 None
1289 };
1290
1291 let mut code_action_providers = Vec::new();
1292 if let Some(project) = project.clone() {
1293 get_unstaged_changes_for_buffers(
1294 &project,
1295 buffer.read(cx).all_buffers(),
1296 buffer.clone(),
1297 cx,
1298 );
1299 code_action_providers.push(Rc::new(project) as Rc<_>);
1300 }
1301
1302 let mut this = Self {
1303 focus_handle,
1304 show_cursor_when_unfocused: false,
1305 last_focused_descendant: None,
1306 buffer: buffer.clone(),
1307 display_map: display_map.clone(),
1308 selections,
1309 scroll_manager: ScrollManager::new(cx),
1310 columnar_selection_tail: None,
1311 add_selections_state: None,
1312 select_next_state: None,
1313 select_prev_state: None,
1314 selection_history: Default::default(),
1315 autoclose_regions: Default::default(),
1316 snippet_stack: Default::default(),
1317 select_larger_syntax_node_stack: Vec::new(),
1318 ime_transaction: Default::default(),
1319 active_diagnostics: None,
1320 soft_wrap_mode_override,
1321 completion_provider: project.clone().map(|project| Box::new(project) as _),
1322 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1323 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1324 project,
1325 blink_manager: blink_manager.clone(),
1326 show_local_selections: true,
1327 show_scrollbars: true,
1328 mode,
1329 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1330 show_gutter: mode == EditorMode::Full,
1331 show_line_numbers: None,
1332 use_relative_line_numbers: None,
1333 show_git_diff_gutter: None,
1334 show_code_actions: None,
1335 show_runnables: None,
1336 show_wrap_guides: None,
1337 show_indent_guides,
1338 placeholder_text: None,
1339 highlight_order: 0,
1340 highlighted_rows: HashMap::default(),
1341 background_highlights: Default::default(),
1342 gutter_highlights: TreeMap::default(),
1343 scrollbar_marker_state: ScrollbarMarkerState::default(),
1344 active_indent_guides_state: ActiveIndentGuidesState::default(),
1345 nav_history: None,
1346 context_menu: RefCell::new(None),
1347 mouse_context_menu: None,
1348 completion_tasks: Default::default(),
1349 signature_help_state: SignatureHelpState::default(),
1350 auto_signature_help: None,
1351 find_all_references_task_sources: Vec::new(),
1352 next_completion_id: 0,
1353 next_inlay_id: 0,
1354 code_action_providers,
1355 available_code_actions: Default::default(),
1356 code_actions_task: Default::default(),
1357 document_highlights_task: Default::default(),
1358 linked_editing_range_task: Default::default(),
1359 pending_rename: Default::default(),
1360 searchable: true,
1361 cursor_shape: EditorSettings::get_global(cx)
1362 .cursor_shape
1363 .unwrap_or_default(),
1364 current_line_highlight: None,
1365 autoindent_mode: Some(AutoindentMode::EachLine),
1366 collapse_matches: false,
1367 workspace: None,
1368 input_enabled: true,
1369 use_modal_editing: mode == EditorMode::Full,
1370 read_only: false,
1371 use_autoclose: true,
1372 use_auto_surround: true,
1373 auto_replace_emoji_shortcode: false,
1374 leader_peer_id: None,
1375 remote_id: None,
1376 hover_state: Default::default(),
1377 hovered_link_state: Default::default(),
1378 inline_completion_provider: None,
1379 active_inline_completion: None,
1380 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1381
1382 gutter_hovered: false,
1383 pixel_position_of_newest_cursor: None,
1384 last_bounds: None,
1385 expect_bounds_change: None,
1386 gutter_dimensions: GutterDimensions::default(),
1387 style: None,
1388 show_cursor_names: false,
1389 hovered_cursors: Default::default(),
1390 next_editor_action_id: EditorActionId::default(),
1391 editor_actions: Rc::default(),
1392 show_inline_completions_override: None,
1393 enable_inline_completions: true,
1394 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1395 custom_context_menu: None,
1396 show_git_blame_gutter: false,
1397 show_git_blame_inline: false,
1398 show_selection_menu: None,
1399 show_git_blame_inline_delay_task: None,
1400 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1401 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1402 .session
1403 .restore_unsaved_buffers,
1404 blame: None,
1405 blame_subscription: None,
1406 tasks: Default::default(),
1407 _subscriptions: vec![
1408 cx.observe(&buffer, Self::on_buffer_changed),
1409 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1410 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1411 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1412 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1413 cx.observe_window_activation(window, |editor, window, cx| {
1414 let active = window.is_window_active();
1415 editor.blink_manager.update(cx, |blink_manager, cx| {
1416 if active {
1417 blink_manager.enable(cx);
1418 } else {
1419 blink_manager.disable(cx);
1420 }
1421 });
1422 }),
1423 ],
1424 tasks_update_task: None,
1425 linked_edit_ranges: Default::default(),
1426 previous_search_ranges: None,
1427 breadcrumb_header: None,
1428 focused_block: None,
1429 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1430 addons: HashMap::default(),
1431 registered_buffers: HashMap::default(),
1432 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1433 selection_mark_mode: false,
1434 toggle_fold_multiple_buffers: Task::ready(()),
1435 text_style_refinement: None,
1436 };
1437 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1438 this._subscriptions.extend(project_subscriptions);
1439
1440 this.end_selection(window, cx);
1441 this.scroll_manager.show_scrollbar(window, cx);
1442
1443 if mode == EditorMode::Full {
1444 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1445 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1446
1447 if this.git_blame_inline_enabled {
1448 this.git_blame_inline_enabled = true;
1449 this.start_git_blame_inline(false, window, cx);
1450 }
1451
1452 if let Some(buffer) = buffer.read(cx).as_singleton() {
1453 if let Some(project) = this.project.as_ref() {
1454 let lsp_store = project.read(cx).lsp_store();
1455 let handle = lsp_store.update(cx, |lsp_store, cx| {
1456 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1457 });
1458 this.registered_buffers
1459 .insert(buffer.read(cx).remote_id(), handle);
1460 }
1461 }
1462 }
1463
1464 this.report_editor_event("Editor Opened", None, cx);
1465 this
1466 }
1467
1468 pub fn mouse_menu_is_focused(&self, window: &mut Window, cx: &mut App) -> bool {
1469 self.mouse_context_menu
1470 .as_ref()
1471 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1472 }
1473
1474 fn key_context(&self, window: &mut Window, cx: &mut Context<Self>) -> KeyContext {
1475 let mut key_context = KeyContext::new_with_defaults();
1476 key_context.add("Editor");
1477 let mode = match self.mode {
1478 EditorMode::SingleLine { .. } => "single_line",
1479 EditorMode::AutoHeight { .. } => "auto_height",
1480 EditorMode::Full => "full",
1481 };
1482
1483 if EditorSettings::jupyter_enabled(cx) {
1484 key_context.add("jupyter");
1485 }
1486
1487 key_context.set("mode", mode);
1488 if self.pending_rename.is_some() {
1489 key_context.add("renaming");
1490 }
1491 match self.context_menu.borrow().as_ref() {
1492 Some(CodeContextMenu::Completions(_)) => {
1493 key_context.add("menu");
1494 key_context.add("showing_completions")
1495 }
1496 Some(CodeContextMenu::CodeActions(_)) => {
1497 key_context.add("menu");
1498 key_context.add("showing_code_actions")
1499 }
1500 None => {}
1501 }
1502
1503 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1504 if !self.focus_handle(cx).contains_focused(window, cx)
1505 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1506 {
1507 for addon in self.addons.values() {
1508 addon.extend_key_context(&mut key_context, cx)
1509 }
1510 }
1511
1512 if let Some(extension) = self
1513 .buffer
1514 .read(cx)
1515 .as_singleton()
1516 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1517 {
1518 key_context.set("extension", extension.to_string());
1519 }
1520
1521 if self.has_active_inline_completion() {
1522 key_context.add("copilot_suggestion");
1523 key_context.add("inline_completion");
1524 }
1525
1526 if self.selection_mark_mode {
1527 key_context.add("selection_mode");
1528 }
1529
1530 key_context
1531 }
1532
1533 pub fn new_file(
1534 workspace: &mut Workspace,
1535 _: &workspace::NewFile,
1536 window: &mut Window,
1537 cx: &mut Context<Workspace>,
1538 ) {
1539 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1540 "Failed to create buffer",
1541 window,
1542 cx,
1543 |e, _, _| match e.error_code() {
1544 ErrorCode::RemoteUpgradeRequired => Some(format!(
1545 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1546 e.error_tag("required").unwrap_or("the latest version")
1547 )),
1548 _ => None,
1549 },
1550 );
1551 }
1552
1553 pub fn new_in_workspace(
1554 workspace: &mut Workspace,
1555 window: &mut Window,
1556 cx: &mut Context<Workspace>,
1557 ) -> Task<Result<Entity<Editor>>> {
1558 let project = workspace.project().clone();
1559 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1560
1561 cx.spawn_in(window, |workspace, mut cx| async move {
1562 let buffer = create.await?;
1563 workspace.update_in(&mut cx, |workspace, window, cx| {
1564 let editor =
1565 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1566 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1567 editor
1568 })
1569 })
1570 }
1571
1572 fn new_file_vertical(
1573 workspace: &mut Workspace,
1574 _: &workspace::NewFileSplitVertical,
1575 window: &mut Window,
1576 cx: &mut Context<Workspace>,
1577 ) {
1578 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1579 }
1580
1581 fn new_file_horizontal(
1582 workspace: &mut Workspace,
1583 _: &workspace::NewFileSplitHorizontal,
1584 window: &mut Window,
1585 cx: &mut Context<Workspace>,
1586 ) {
1587 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1588 }
1589
1590 fn new_file_in_direction(
1591 workspace: &mut Workspace,
1592 direction: SplitDirection,
1593 window: &mut Window,
1594 cx: &mut Context<Workspace>,
1595 ) {
1596 let project = workspace.project().clone();
1597 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1598
1599 cx.spawn_in(window, |workspace, mut cx| async move {
1600 let buffer = create.await?;
1601 workspace.update_in(&mut cx, move |workspace, window, cx| {
1602 workspace.split_item(
1603 direction,
1604 Box::new(
1605 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1606 ),
1607 window,
1608 cx,
1609 )
1610 })?;
1611 anyhow::Ok(())
1612 })
1613 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1614 match e.error_code() {
1615 ErrorCode::RemoteUpgradeRequired => Some(format!(
1616 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1617 e.error_tag("required").unwrap_or("the latest version")
1618 )),
1619 _ => None,
1620 }
1621 });
1622 }
1623
1624 pub fn leader_peer_id(&self) -> Option<PeerId> {
1625 self.leader_peer_id
1626 }
1627
1628 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1629 &self.buffer
1630 }
1631
1632 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1633 self.workspace.as_ref()?.0.upgrade()
1634 }
1635
1636 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1637 self.buffer().read(cx).title(cx)
1638 }
1639
1640 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1641 let git_blame_gutter_max_author_length = self
1642 .render_git_blame_gutter(cx)
1643 .then(|| {
1644 if let Some(blame) = self.blame.as_ref() {
1645 let max_author_length =
1646 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1647 Some(max_author_length)
1648 } else {
1649 None
1650 }
1651 })
1652 .flatten();
1653
1654 EditorSnapshot {
1655 mode: self.mode,
1656 show_gutter: self.show_gutter,
1657 show_line_numbers: self.show_line_numbers,
1658 show_git_diff_gutter: self.show_git_diff_gutter,
1659 show_code_actions: self.show_code_actions,
1660 show_runnables: self.show_runnables,
1661 git_blame_gutter_max_author_length,
1662 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1663 scroll_anchor: self.scroll_manager.anchor(),
1664 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1665 placeholder_text: self.placeholder_text.clone(),
1666 is_focused: self.focus_handle.is_focused(window),
1667 current_line_highlight: self
1668 .current_line_highlight
1669 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1670 gutter_hovered: self.gutter_hovered,
1671 }
1672 }
1673
1674 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1675 self.buffer.read(cx).language_at(point, cx)
1676 }
1677
1678 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1679 self.buffer.read(cx).read(cx).file_at(point).cloned()
1680 }
1681
1682 pub fn active_excerpt(
1683 &self,
1684 cx: &App,
1685 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1686 self.buffer
1687 .read(cx)
1688 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1689 }
1690
1691 pub fn mode(&self) -> EditorMode {
1692 self.mode
1693 }
1694
1695 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1696 self.collaboration_hub.as_deref()
1697 }
1698
1699 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1700 self.collaboration_hub = Some(hub);
1701 }
1702
1703 pub fn set_custom_context_menu(
1704 &mut self,
1705 f: impl 'static
1706 + Fn(
1707 &mut Self,
1708 DisplayPoint,
1709 &mut Window,
1710 &mut Context<Self>,
1711 ) -> Option<Entity<ui::ContextMenu>>,
1712 ) {
1713 self.custom_context_menu = Some(Box::new(f))
1714 }
1715
1716 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1717 self.completion_provider = provider;
1718 }
1719
1720 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1721 self.semantics_provider.clone()
1722 }
1723
1724 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1725 self.semantics_provider = provider;
1726 }
1727
1728 pub fn set_inline_completion_provider<T>(
1729 &mut self,
1730 provider: Option<Entity<T>>,
1731 window: &mut Window,
1732 cx: &mut Context<Self>,
1733 ) where
1734 T: InlineCompletionProvider,
1735 {
1736 self.inline_completion_provider =
1737 provider.map(|provider| RegisteredInlineCompletionProvider {
1738 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1739 if this.focus_handle.is_focused(window) {
1740 this.update_visible_inline_completion(window, cx);
1741 }
1742 }),
1743 provider: Arc::new(provider),
1744 });
1745 self.refresh_inline_completion(false, false, window, cx);
1746 }
1747
1748 pub fn placeholder_text(&self) -> Option<&str> {
1749 self.placeholder_text.as_deref()
1750 }
1751
1752 pub fn set_placeholder_text(
1753 &mut self,
1754 placeholder_text: impl Into<Arc<str>>,
1755 cx: &mut Context<Self>,
1756 ) {
1757 let placeholder_text = Some(placeholder_text.into());
1758 if self.placeholder_text != placeholder_text {
1759 self.placeholder_text = placeholder_text;
1760 cx.notify();
1761 }
1762 }
1763
1764 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1765 self.cursor_shape = cursor_shape;
1766
1767 // Disrupt blink for immediate user feedback that the cursor shape has changed
1768 self.blink_manager.update(cx, BlinkManager::show_cursor);
1769
1770 cx.notify();
1771 }
1772
1773 pub fn set_current_line_highlight(
1774 &mut self,
1775 current_line_highlight: Option<CurrentLineHighlight>,
1776 ) {
1777 self.current_line_highlight = current_line_highlight;
1778 }
1779
1780 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1781 self.collapse_matches = collapse_matches;
1782 }
1783
1784 pub fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1785 let buffers = self.buffer.read(cx).all_buffers();
1786 let Some(lsp_store) = self.lsp_store(cx) else {
1787 return;
1788 };
1789 lsp_store.update(cx, |lsp_store, cx| {
1790 for buffer in buffers {
1791 self.registered_buffers
1792 .entry(buffer.read(cx).remote_id())
1793 .or_insert_with(|| {
1794 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1795 });
1796 }
1797 })
1798 }
1799
1800 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1801 if self.collapse_matches {
1802 return range.start..range.start;
1803 }
1804 range.clone()
1805 }
1806
1807 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1808 if self.display_map.read(cx).clip_at_line_ends != clip {
1809 self.display_map
1810 .update(cx, |map, _| map.clip_at_line_ends = clip);
1811 }
1812 }
1813
1814 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1815 self.input_enabled = input_enabled;
1816 }
1817
1818 pub fn set_inline_completions_enabled(&mut self, enabled: bool, cx: &mut Context<Self>) {
1819 self.enable_inline_completions = enabled;
1820 if !self.enable_inline_completions {
1821 self.take_active_inline_completion(cx);
1822 cx.notify();
1823 }
1824 }
1825
1826 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1827 self.menu_inline_completions_policy = value;
1828 }
1829
1830 pub fn set_autoindent(&mut self, autoindent: bool) {
1831 if autoindent {
1832 self.autoindent_mode = Some(AutoindentMode::EachLine);
1833 } else {
1834 self.autoindent_mode = None;
1835 }
1836 }
1837
1838 pub fn read_only(&self, cx: &App) -> bool {
1839 self.read_only || self.buffer.read(cx).read_only()
1840 }
1841
1842 pub fn set_read_only(&mut self, read_only: bool) {
1843 self.read_only = read_only;
1844 }
1845
1846 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1847 self.use_autoclose = autoclose;
1848 }
1849
1850 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1851 self.use_auto_surround = auto_surround;
1852 }
1853
1854 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1855 self.auto_replace_emoji_shortcode = auto_replace;
1856 }
1857
1858 pub fn toggle_inline_completions(
1859 &mut self,
1860 _: &ToggleInlineCompletions,
1861 window: &mut Window,
1862 cx: &mut Context<Self>,
1863 ) {
1864 if self.show_inline_completions_override.is_some() {
1865 self.set_show_inline_completions(None, window, cx);
1866 } else {
1867 let cursor = self.selections.newest_anchor().head();
1868 if let Some((buffer, cursor_buffer_position)) =
1869 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1870 {
1871 let show_inline_completions =
1872 !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx);
1873 self.set_show_inline_completions(Some(show_inline_completions), window, cx);
1874 }
1875 }
1876 }
1877
1878 pub fn set_show_inline_completions(
1879 &mut self,
1880 show_inline_completions: Option<bool>,
1881 window: &mut Window,
1882 cx: &mut Context<Self>,
1883 ) {
1884 self.show_inline_completions_override = show_inline_completions;
1885 self.refresh_inline_completion(false, true, window, cx);
1886 }
1887
1888 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
1889 let cursor = self.selections.newest_anchor().head();
1890 if let Some((buffer, buffer_position)) =
1891 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1892 {
1893 self.should_show_inline_completions(&buffer, buffer_position, cx)
1894 } else {
1895 false
1896 }
1897 }
1898
1899 fn should_show_inline_completions(
1900 &self,
1901 buffer: &Entity<Buffer>,
1902 buffer_position: language::Anchor,
1903 cx: &App,
1904 ) -> bool {
1905 if !self.snippet_stack.is_empty() {
1906 return false;
1907 }
1908
1909 if self.inline_completions_disabled_in_scope(buffer, buffer_position, cx) {
1910 return false;
1911 }
1912
1913 if let Some(provider) = self.inline_completion_provider() {
1914 if let Some(show_inline_completions) = self.show_inline_completions_override {
1915 show_inline_completions
1916 } else {
1917 self.mode == EditorMode::Full && provider.is_enabled(buffer, buffer_position, cx)
1918 }
1919 } else {
1920 false
1921 }
1922 }
1923
1924 fn inline_completions_disabled_in_scope(
1925 &self,
1926 buffer: &Entity<Buffer>,
1927 buffer_position: language::Anchor,
1928 cx: &App,
1929 ) -> bool {
1930 let snapshot = buffer.read(cx).snapshot();
1931 let settings = snapshot.settings_at(buffer_position, cx);
1932
1933 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1934 return false;
1935 };
1936
1937 scope.override_name().map_or(false, |scope_name| {
1938 settings
1939 .inline_completions_disabled_in
1940 .iter()
1941 .any(|s| s == scope_name)
1942 })
1943 }
1944
1945 pub fn set_use_modal_editing(&mut self, to: bool) {
1946 self.use_modal_editing = to;
1947 }
1948
1949 pub fn use_modal_editing(&self) -> bool {
1950 self.use_modal_editing
1951 }
1952
1953 fn selections_did_change(
1954 &mut self,
1955 local: bool,
1956 old_cursor_position: &Anchor,
1957 show_completions: bool,
1958 window: &mut Window,
1959 cx: &mut Context<Self>,
1960 ) {
1961 window.invalidate_character_coordinates();
1962
1963 // Copy selections to primary selection buffer
1964 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1965 if local {
1966 let selections = self.selections.all::<usize>(cx);
1967 let buffer_handle = self.buffer.read(cx).read(cx);
1968
1969 let mut text = String::new();
1970 for (index, selection) in selections.iter().enumerate() {
1971 let text_for_selection = buffer_handle
1972 .text_for_range(selection.start..selection.end)
1973 .collect::<String>();
1974
1975 text.push_str(&text_for_selection);
1976 if index != selections.len() - 1 {
1977 text.push('\n');
1978 }
1979 }
1980
1981 if !text.is_empty() {
1982 cx.write_to_primary(ClipboardItem::new_string(text));
1983 }
1984 }
1985
1986 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
1987 self.buffer.update(cx, |buffer, cx| {
1988 buffer.set_active_selections(
1989 &self.selections.disjoint_anchors(),
1990 self.selections.line_mode,
1991 self.cursor_shape,
1992 cx,
1993 )
1994 });
1995 }
1996 let display_map = self
1997 .display_map
1998 .update(cx, |display_map, cx| display_map.snapshot(cx));
1999 let buffer = &display_map.buffer_snapshot;
2000 self.add_selections_state = None;
2001 self.select_next_state = None;
2002 self.select_prev_state = None;
2003 self.select_larger_syntax_node_stack.clear();
2004 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2005 self.snippet_stack
2006 .invalidate(&self.selections.disjoint_anchors(), buffer);
2007 self.take_rename(false, window, cx);
2008
2009 let new_cursor_position = self.selections.newest_anchor().head();
2010
2011 self.push_to_nav_history(
2012 *old_cursor_position,
2013 Some(new_cursor_position.to_point(buffer)),
2014 cx,
2015 );
2016
2017 if local {
2018 let new_cursor_position = self.selections.newest_anchor().head();
2019 let mut context_menu = self.context_menu.borrow_mut();
2020 let completion_menu = match context_menu.as_ref() {
2021 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2022 _ => {
2023 *context_menu = None;
2024 None
2025 }
2026 };
2027
2028 if let Some(completion_menu) = completion_menu {
2029 let cursor_position = new_cursor_position.to_offset(buffer);
2030 let (word_range, kind) =
2031 buffer.surrounding_word(completion_menu.initial_position, true);
2032 if kind == Some(CharKind::Word)
2033 && word_range.to_inclusive().contains(&cursor_position)
2034 {
2035 let mut completion_menu = completion_menu.clone();
2036 drop(context_menu);
2037
2038 let query = Self::completion_query(buffer, cursor_position);
2039 cx.spawn(move |this, mut cx| async move {
2040 completion_menu
2041 .filter(query.as_deref(), cx.background_executor().clone())
2042 .await;
2043
2044 this.update(&mut cx, |this, cx| {
2045 let mut context_menu = this.context_menu.borrow_mut();
2046 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2047 else {
2048 return;
2049 };
2050
2051 if menu.id > completion_menu.id {
2052 return;
2053 }
2054
2055 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2056 drop(context_menu);
2057 cx.notify();
2058 })
2059 })
2060 .detach();
2061
2062 if show_completions {
2063 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2064 }
2065 } else {
2066 drop(context_menu);
2067 self.hide_context_menu(window, cx);
2068 }
2069 } else {
2070 drop(context_menu);
2071 }
2072
2073 hide_hover(self, cx);
2074
2075 if old_cursor_position.to_display_point(&display_map).row()
2076 != new_cursor_position.to_display_point(&display_map).row()
2077 {
2078 self.available_code_actions.take();
2079 }
2080 self.refresh_code_actions(window, cx);
2081 self.refresh_document_highlights(cx);
2082 refresh_matching_bracket_highlights(self, window, cx);
2083 self.update_visible_inline_completion(window, cx);
2084 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2085 if self.git_blame_inline_enabled {
2086 self.start_inline_blame_timer(window, cx);
2087 }
2088 }
2089
2090 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2091 cx.emit(EditorEvent::SelectionsChanged { local });
2092
2093 if self.selections.disjoint_anchors().len() == 1 {
2094 cx.emit(SearchEvent::ActiveMatchChanged)
2095 }
2096 cx.notify();
2097 }
2098
2099 pub fn change_selections<R>(
2100 &mut self,
2101 autoscroll: Option<Autoscroll>,
2102 window: &mut Window,
2103 cx: &mut Context<Self>,
2104 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2105 ) -> R {
2106 self.change_selections_inner(autoscroll, true, window, cx, change)
2107 }
2108
2109 pub fn change_selections_inner<R>(
2110 &mut self,
2111 autoscroll: Option<Autoscroll>,
2112 request_completions: bool,
2113 window: &mut Window,
2114 cx: &mut Context<Self>,
2115 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2116 ) -> R {
2117 let old_cursor_position = self.selections.newest_anchor().head();
2118 self.push_to_selection_history();
2119
2120 let (changed, result) = self.selections.change_with(cx, change);
2121
2122 if changed {
2123 if let Some(autoscroll) = autoscroll {
2124 self.request_autoscroll(autoscroll, cx);
2125 }
2126 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2127
2128 if self.should_open_signature_help_automatically(
2129 &old_cursor_position,
2130 self.signature_help_state.backspace_pressed(),
2131 cx,
2132 ) {
2133 self.show_signature_help(&ShowSignatureHelp, window, cx);
2134 }
2135 self.signature_help_state.set_backspace_pressed(false);
2136 }
2137
2138 result
2139 }
2140
2141 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2142 where
2143 I: IntoIterator<Item = (Range<S>, T)>,
2144 S: ToOffset,
2145 T: Into<Arc<str>>,
2146 {
2147 if self.read_only(cx) {
2148 return;
2149 }
2150
2151 self.buffer
2152 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2153 }
2154
2155 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2156 where
2157 I: IntoIterator<Item = (Range<S>, T)>,
2158 S: ToOffset,
2159 T: Into<Arc<str>>,
2160 {
2161 if self.read_only(cx) {
2162 return;
2163 }
2164
2165 self.buffer.update(cx, |buffer, cx| {
2166 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2167 });
2168 }
2169
2170 pub fn edit_with_block_indent<I, S, T>(
2171 &mut self,
2172 edits: I,
2173 original_indent_columns: Vec<u32>,
2174 cx: &mut Context<Self>,
2175 ) where
2176 I: IntoIterator<Item = (Range<S>, T)>,
2177 S: ToOffset,
2178 T: Into<Arc<str>>,
2179 {
2180 if self.read_only(cx) {
2181 return;
2182 }
2183
2184 self.buffer.update(cx, |buffer, cx| {
2185 buffer.edit(
2186 edits,
2187 Some(AutoindentMode::Block {
2188 original_indent_columns,
2189 }),
2190 cx,
2191 )
2192 });
2193 }
2194
2195 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2196 self.hide_context_menu(window, cx);
2197
2198 match phase {
2199 SelectPhase::Begin {
2200 position,
2201 add,
2202 click_count,
2203 } => self.begin_selection(position, add, click_count, window, cx),
2204 SelectPhase::BeginColumnar {
2205 position,
2206 goal_column,
2207 reset,
2208 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2209 SelectPhase::Extend {
2210 position,
2211 click_count,
2212 } => self.extend_selection(position, click_count, window, cx),
2213 SelectPhase::Update {
2214 position,
2215 goal_column,
2216 scroll_delta,
2217 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2218 SelectPhase::End => self.end_selection(window, cx),
2219 }
2220 }
2221
2222 fn extend_selection(
2223 &mut self,
2224 position: DisplayPoint,
2225 click_count: usize,
2226 window: &mut Window,
2227 cx: &mut Context<Self>,
2228 ) {
2229 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2230 let tail = self.selections.newest::<usize>(cx).tail();
2231 self.begin_selection(position, false, click_count, window, cx);
2232
2233 let position = position.to_offset(&display_map, Bias::Left);
2234 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2235
2236 let mut pending_selection = self
2237 .selections
2238 .pending_anchor()
2239 .expect("extend_selection not called with pending selection");
2240 if position >= tail {
2241 pending_selection.start = tail_anchor;
2242 } else {
2243 pending_selection.end = tail_anchor;
2244 pending_selection.reversed = true;
2245 }
2246
2247 let mut pending_mode = self.selections.pending_mode().unwrap();
2248 match &mut pending_mode {
2249 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2250 _ => {}
2251 }
2252
2253 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2254 s.set_pending(pending_selection, pending_mode)
2255 });
2256 }
2257
2258 fn begin_selection(
2259 &mut self,
2260 position: DisplayPoint,
2261 add: bool,
2262 click_count: usize,
2263 window: &mut Window,
2264 cx: &mut Context<Self>,
2265 ) {
2266 if !self.focus_handle.is_focused(window) {
2267 self.last_focused_descendant = None;
2268 window.focus(&self.focus_handle);
2269 }
2270
2271 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2272 let buffer = &display_map.buffer_snapshot;
2273 let newest_selection = self.selections.newest_anchor().clone();
2274 let position = display_map.clip_point(position, Bias::Left);
2275
2276 let start;
2277 let end;
2278 let mode;
2279 let mut auto_scroll;
2280 match click_count {
2281 1 => {
2282 start = buffer.anchor_before(position.to_point(&display_map));
2283 end = start;
2284 mode = SelectMode::Character;
2285 auto_scroll = true;
2286 }
2287 2 => {
2288 let range = movement::surrounding_word(&display_map, position);
2289 start = buffer.anchor_before(range.start.to_point(&display_map));
2290 end = buffer.anchor_before(range.end.to_point(&display_map));
2291 mode = SelectMode::Word(start..end);
2292 auto_scroll = true;
2293 }
2294 3 => {
2295 let position = display_map
2296 .clip_point(position, Bias::Left)
2297 .to_point(&display_map);
2298 let line_start = display_map.prev_line_boundary(position).0;
2299 let next_line_start = buffer.clip_point(
2300 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2301 Bias::Left,
2302 );
2303 start = buffer.anchor_before(line_start);
2304 end = buffer.anchor_before(next_line_start);
2305 mode = SelectMode::Line(start..end);
2306 auto_scroll = true;
2307 }
2308 _ => {
2309 start = buffer.anchor_before(0);
2310 end = buffer.anchor_before(buffer.len());
2311 mode = SelectMode::All;
2312 auto_scroll = false;
2313 }
2314 }
2315 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2316
2317 let point_to_delete: Option<usize> = {
2318 let selected_points: Vec<Selection<Point>> =
2319 self.selections.disjoint_in_range(start..end, cx);
2320
2321 if !add || click_count > 1 {
2322 None
2323 } else if !selected_points.is_empty() {
2324 Some(selected_points[0].id)
2325 } else {
2326 let clicked_point_already_selected =
2327 self.selections.disjoint.iter().find(|selection| {
2328 selection.start.to_point(buffer) == start.to_point(buffer)
2329 || selection.end.to_point(buffer) == end.to_point(buffer)
2330 });
2331
2332 clicked_point_already_selected.map(|selection| selection.id)
2333 }
2334 };
2335
2336 let selections_count = self.selections.count();
2337
2338 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2339 if let Some(point_to_delete) = point_to_delete {
2340 s.delete(point_to_delete);
2341
2342 if selections_count == 1 {
2343 s.set_pending_anchor_range(start..end, mode);
2344 }
2345 } else {
2346 if !add {
2347 s.clear_disjoint();
2348 } else if click_count > 1 {
2349 s.delete(newest_selection.id)
2350 }
2351
2352 s.set_pending_anchor_range(start..end, mode);
2353 }
2354 });
2355 }
2356
2357 fn begin_columnar_selection(
2358 &mut self,
2359 position: DisplayPoint,
2360 goal_column: u32,
2361 reset: bool,
2362 window: &mut Window,
2363 cx: &mut Context<Self>,
2364 ) {
2365 if !self.focus_handle.is_focused(window) {
2366 self.last_focused_descendant = None;
2367 window.focus(&self.focus_handle);
2368 }
2369
2370 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2371
2372 if reset {
2373 let pointer_position = display_map
2374 .buffer_snapshot
2375 .anchor_before(position.to_point(&display_map));
2376
2377 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2378 s.clear_disjoint();
2379 s.set_pending_anchor_range(
2380 pointer_position..pointer_position,
2381 SelectMode::Character,
2382 );
2383 });
2384 }
2385
2386 let tail = self.selections.newest::<Point>(cx).tail();
2387 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2388
2389 if !reset {
2390 self.select_columns(
2391 tail.to_display_point(&display_map),
2392 position,
2393 goal_column,
2394 &display_map,
2395 window,
2396 cx,
2397 );
2398 }
2399 }
2400
2401 fn update_selection(
2402 &mut self,
2403 position: DisplayPoint,
2404 goal_column: u32,
2405 scroll_delta: gpui::Point<f32>,
2406 window: &mut Window,
2407 cx: &mut Context<Self>,
2408 ) {
2409 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2410
2411 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2412 let tail = tail.to_display_point(&display_map);
2413 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2414 } else if let Some(mut pending) = self.selections.pending_anchor() {
2415 let buffer = self.buffer.read(cx).snapshot(cx);
2416 let head;
2417 let tail;
2418 let mode = self.selections.pending_mode().unwrap();
2419 match &mode {
2420 SelectMode::Character => {
2421 head = position.to_point(&display_map);
2422 tail = pending.tail().to_point(&buffer);
2423 }
2424 SelectMode::Word(original_range) => {
2425 let original_display_range = original_range.start.to_display_point(&display_map)
2426 ..original_range.end.to_display_point(&display_map);
2427 let original_buffer_range = original_display_range.start.to_point(&display_map)
2428 ..original_display_range.end.to_point(&display_map);
2429 if movement::is_inside_word(&display_map, position)
2430 || original_display_range.contains(&position)
2431 {
2432 let word_range = movement::surrounding_word(&display_map, position);
2433 if word_range.start < original_display_range.start {
2434 head = word_range.start.to_point(&display_map);
2435 } else {
2436 head = word_range.end.to_point(&display_map);
2437 }
2438 } else {
2439 head = position.to_point(&display_map);
2440 }
2441
2442 if head <= original_buffer_range.start {
2443 tail = original_buffer_range.end;
2444 } else {
2445 tail = original_buffer_range.start;
2446 }
2447 }
2448 SelectMode::Line(original_range) => {
2449 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2450
2451 let position = display_map
2452 .clip_point(position, Bias::Left)
2453 .to_point(&display_map);
2454 let line_start = display_map.prev_line_boundary(position).0;
2455 let next_line_start = buffer.clip_point(
2456 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2457 Bias::Left,
2458 );
2459
2460 if line_start < original_range.start {
2461 head = line_start
2462 } else {
2463 head = next_line_start
2464 }
2465
2466 if head <= original_range.start {
2467 tail = original_range.end;
2468 } else {
2469 tail = original_range.start;
2470 }
2471 }
2472 SelectMode::All => {
2473 return;
2474 }
2475 };
2476
2477 if head < tail {
2478 pending.start = buffer.anchor_before(head);
2479 pending.end = buffer.anchor_before(tail);
2480 pending.reversed = true;
2481 } else {
2482 pending.start = buffer.anchor_before(tail);
2483 pending.end = buffer.anchor_before(head);
2484 pending.reversed = false;
2485 }
2486
2487 self.change_selections(None, window, cx, |s| {
2488 s.set_pending(pending, mode);
2489 });
2490 } else {
2491 log::error!("update_selection dispatched with no pending selection");
2492 return;
2493 }
2494
2495 self.apply_scroll_delta(scroll_delta, window, cx);
2496 cx.notify();
2497 }
2498
2499 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2500 self.columnar_selection_tail.take();
2501 if self.selections.pending_anchor().is_some() {
2502 let selections = self.selections.all::<usize>(cx);
2503 self.change_selections(None, window, cx, |s| {
2504 s.select(selections);
2505 s.clear_pending();
2506 });
2507 }
2508 }
2509
2510 fn select_columns(
2511 &mut self,
2512 tail: DisplayPoint,
2513 head: DisplayPoint,
2514 goal_column: u32,
2515 display_map: &DisplaySnapshot,
2516 window: &mut Window,
2517 cx: &mut Context<Self>,
2518 ) {
2519 let start_row = cmp::min(tail.row(), head.row());
2520 let end_row = cmp::max(tail.row(), head.row());
2521 let start_column = cmp::min(tail.column(), goal_column);
2522 let end_column = cmp::max(tail.column(), goal_column);
2523 let reversed = start_column < tail.column();
2524
2525 let selection_ranges = (start_row.0..=end_row.0)
2526 .map(DisplayRow)
2527 .filter_map(|row| {
2528 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2529 let start = display_map
2530 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2531 .to_point(display_map);
2532 let end = display_map
2533 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2534 .to_point(display_map);
2535 if reversed {
2536 Some(end..start)
2537 } else {
2538 Some(start..end)
2539 }
2540 } else {
2541 None
2542 }
2543 })
2544 .collect::<Vec<_>>();
2545
2546 self.change_selections(None, window, cx, |s| {
2547 s.select_ranges(selection_ranges);
2548 });
2549 cx.notify();
2550 }
2551
2552 pub fn has_pending_nonempty_selection(&self) -> bool {
2553 let pending_nonempty_selection = match self.selections.pending_anchor() {
2554 Some(Selection { start, end, .. }) => start != end,
2555 None => false,
2556 };
2557
2558 pending_nonempty_selection
2559 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2560 }
2561
2562 pub fn has_pending_selection(&self) -> bool {
2563 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2564 }
2565
2566 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2567 self.selection_mark_mode = false;
2568
2569 if self.clear_expanded_diff_hunks(cx) {
2570 cx.notify();
2571 return;
2572 }
2573 if self.dismiss_menus_and_popups(true, window, cx) {
2574 return;
2575 }
2576
2577 if self.mode == EditorMode::Full
2578 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2579 {
2580 return;
2581 }
2582
2583 cx.propagate();
2584 }
2585
2586 pub fn dismiss_menus_and_popups(
2587 &mut self,
2588 should_report_inline_completion_event: bool,
2589 window: &mut Window,
2590 cx: &mut Context<Self>,
2591 ) -> bool {
2592 if self.take_rename(false, window, cx).is_some() {
2593 return true;
2594 }
2595
2596 if hide_hover(self, cx) {
2597 return true;
2598 }
2599
2600 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2601 return true;
2602 }
2603
2604 if self.hide_context_menu(window, cx).is_some() {
2605 if self.show_inline_completions_in_menu(cx) && self.has_active_inline_completion() {
2606 self.update_visible_inline_completion(window, cx);
2607 }
2608 return true;
2609 }
2610
2611 if self.mouse_context_menu.take().is_some() {
2612 return true;
2613 }
2614
2615 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2616 return true;
2617 }
2618
2619 if self.snippet_stack.pop().is_some() {
2620 return true;
2621 }
2622
2623 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2624 self.dismiss_diagnostics(cx);
2625 return true;
2626 }
2627
2628 false
2629 }
2630
2631 fn linked_editing_ranges_for(
2632 &self,
2633 selection: Range<text::Anchor>,
2634 cx: &App,
2635 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2636 if self.linked_edit_ranges.is_empty() {
2637 return None;
2638 }
2639 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2640 selection.end.buffer_id.and_then(|end_buffer_id| {
2641 if selection.start.buffer_id != Some(end_buffer_id) {
2642 return None;
2643 }
2644 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2645 let snapshot = buffer.read(cx).snapshot();
2646 self.linked_edit_ranges
2647 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2648 .map(|ranges| (ranges, snapshot, buffer))
2649 })?;
2650 use text::ToOffset as TO;
2651 // find offset from the start of current range to current cursor position
2652 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2653
2654 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2655 let start_difference = start_offset - start_byte_offset;
2656 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2657 let end_difference = end_offset - start_byte_offset;
2658 // Current range has associated linked ranges.
2659 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2660 for range in linked_ranges.iter() {
2661 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2662 let end_offset = start_offset + end_difference;
2663 let start_offset = start_offset + start_difference;
2664 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2665 continue;
2666 }
2667 if self.selections.disjoint_anchor_ranges().any(|s| {
2668 if s.start.buffer_id != selection.start.buffer_id
2669 || s.end.buffer_id != selection.end.buffer_id
2670 {
2671 return false;
2672 }
2673 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2674 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2675 }) {
2676 continue;
2677 }
2678 let start = buffer_snapshot.anchor_after(start_offset);
2679 let end = buffer_snapshot.anchor_after(end_offset);
2680 linked_edits
2681 .entry(buffer.clone())
2682 .or_default()
2683 .push(start..end);
2684 }
2685 Some(linked_edits)
2686 }
2687
2688 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2689 let text: Arc<str> = text.into();
2690
2691 if self.read_only(cx) {
2692 return;
2693 }
2694
2695 let selections = self.selections.all_adjusted(cx);
2696 let mut bracket_inserted = false;
2697 let mut edits = Vec::new();
2698 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2699 let mut new_selections = Vec::with_capacity(selections.len());
2700 let mut new_autoclose_regions = Vec::new();
2701 let snapshot = self.buffer.read(cx).read(cx);
2702
2703 for (selection, autoclose_region) in
2704 self.selections_with_autoclose_regions(selections, &snapshot)
2705 {
2706 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2707 // Determine if the inserted text matches the opening or closing
2708 // bracket of any of this language's bracket pairs.
2709 let mut bracket_pair = None;
2710 let mut is_bracket_pair_start = false;
2711 let mut is_bracket_pair_end = false;
2712 if !text.is_empty() {
2713 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2714 // and they are removing the character that triggered IME popup.
2715 for (pair, enabled) in scope.brackets() {
2716 if !pair.close && !pair.surround {
2717 continue;
2718 }
2719
2720 if enabled && pair.start.ends_with(text.as_ref()) {
2721 let prefix_len = pair.start.len() - text.len();
2722 let preceding_text_matches_prefix = prefix_len == 0
2723 || (selection.start.column >= (prefix_len as u32)
2724 && snapshot.contains_str_at(
2725 Point::new(
2726 selection.start.row,
2727 selection.start.column - (prefix_len as u32),
2728 ),
2729 &pair.start[..prefix_len],
2730 ));
2731 if preceding_text_matches_prefix {
2732 bracket_pair = Some(pair.clone());
2733 is_bracket_pair_start = true;
2734 break;
2735 }
2736 }
2737 if pair.end.as_str() == text.as_ref() {
2738 bracket_pair = Some(pair.clone());
2739 is_bracket_pair_end = true;
2740 break;
2741 }
2742 }
2743 }
2744
2745 if let Some(bracket_pair) = bracket_pair {
2746 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2747 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2748 let auto_surround =
2749 self.use_auto_surround && snapshot_settings.use_auto_surround;
2750 if selection.is_empty() {
2751 if is_bracket_pair_start {
2752 // If the inserted text is a suffix of an opening bracket and the
2753 // selection is preceded by the rest of the opening bracket, then
2754 // insert the closing bracket.
2755 let following_text_allows_autoclose = snapshot
2756 .chars_at(selection.start)
2757 .next()
2758 .map_or(true, |c| scope.should_autoclose_before(c));
2759
2760 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2761 && bracket_pair.start.len() == 1
2762 {
2763 let target = bracket_pair.start.chars().next().unwrap();
2764 let current_line_count = snapshot
2765 .reversed_chars_at(selection.start)
2766 .take_while(|&c| c != '\n')
2767 .filter(|&c| c == target)
2768 .count();
2769 current_line_count % 2 == 1
2770 } else {
2771 false
2772 };
2773
2774 if autoclose
2775 && bracket_pair.close
2776 && following_text_allows_autoclose
2777 && !is_closing_quote
2778 {
2779 let anchor = snapshot.anchor_before(selection.end);
2780 new_selections.push((selection.map(|_| anchor), text.len()));
2781 new_autoclose_regions.push((
2782 anchor,
2783 text.len(),
2784 selection.id,
2785 bracket_pair.clone(),
2786 ));
2787 edits.push((
2788 selection.range(),
2789 format!("{}{}", text, bracket_pair.end).into(),
2790 ));
2791 bracket_inserted = true;
2792 continue;
2793 }
2794 }
2795
2796 if let Some(region) = autoclose_region {
2797 // If the selection is followed by an auto-inserted closing bracket,
2798 // then don't insert that closing bracket again; just move the selection
2799 // past the closing bracket.
2800 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2801 && text.as_ref() == region.pair.end.as_str();
2802 if should_skip {
2803 let anchor = snapshot.anchor_after(selection.end);
2804 new_selections
2805 .push((selection.map(|_| anchor), region.pair.end.len()));
2806 continue;
2807 }
2808 }
2809
2810 let always_treat_brackets_as_autoclosed = snapshot
2811 .settings_at(selection.start, cx)
2812 .always_treat_brackets_as_autoclosed;
2813 if always_treat_brackets_as_autoclosed
2814 && is_bracket_pair_end
2815 && snapshot.contains_str_at(selection.end, text.as_ref())
2816 {
2817 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2818 // and the inserted text is a closing bracket and the selection is followed
2819 // by the closing bracket then move the selection past the closing bracket.
2820 let anchor = snapshot.anchor_after(selection.end);
2821 new_selections.push((selection.map(|_| anchor), text.len()));
2822 continue;
2823 }
2824 }
2825 // If an opening bracket is 1 character long and is typed while
2826 // text is selected, then surround that text with the bracket pair.
2827 else if auto_surround
2828 && bracket_pair.surround
2829 && is_bracket_pair_start
2830 && bracket_pair.start.chars().count() == 1
2831 {
2832 edits.push((selection.start..selection.start, text.clone()));
2833 edits.push((
2834 selection.end..selection.end,
2835 bracket_pair.end.as_str().into(),
2836 ));
2837 bracket_inserted = true;
2838 new_selections.push((
2839 Selection {
2840 id: selection.id,
2841 start: snapshot.anchor_after(selection.start),
2842 end: snapshot.anchor_before(selection.end),
2843 reversed: selection.reversed,
2844 goal: selection.goal,
2845 },
2846 0,
2847 ));
2848 continue;
2849 }
2850 }
2851 }
2852
2853 if self.auto_replace_emoji_shortcode
2854 && selection.is_empty()
2855 && text.as_ref().ends_with(':')
2856 {
2857 if let Some(possible_emoji_short_code) =
2858 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2859 {
2860 if !possible_emoji_short_code.is_empty() {
2861 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2862 let emoji_shortcode_start = Point::new(
2863 selection.start.row,
2864 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2865 );
2866
2867 // Remove shortcode from buffer
2868 edits.push((
2869 emoji_shortcode_start..selection.start,
2870 "".to_string().into(),
2871 ));
2872 new_selections.push((
2873 Selection {
2874 id: selection.id,
2875 start: snapshot.anchor_after(emoji_shortcode_start),
2876 end: snapshot.anchor_before(selection.start),
2877 reversed: selection.reversed,
2878 goal: selection.goal,
2879 },
2880 0,
2881 ));
2882
2883 // Insert emoji
2884 let selection_start_anchor = snapshot.anchor_after(selection.start);
2885 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2886 edits.push((selection.start..selection.end, emoji.to_string().into()));
2887
2888 continue;
2889 }
2890 }
2891 }
2892 }
2893
2894 // If not handling any auto-close operation, then just replace the selected
2895 // text with the given input and move the selection to the end of the
2896 // newly inserted text.
2897 let anchor = snapshot.anchor_after(selection.end);
2898 if !self.linked_edit_ranges.is_empty() {
2899 let start_anchor = snapshot.anchor_before(selection.start);
2900
2901 let is_word_char = text.chars().next().map_or(true, |char| {
2902 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2903 classifier.is_word(char)
2904 });
2905
2906 if is_word_char {
2907 if let Some(ranges) = self
2908 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2909 {
2910 for (buffer, edits) in ranges {
2911 linked_edits
2912 .entry(buffer.clone())
2913 .or_default()
2914 .extend(edits.into_iter().map(|range| (range, text.clone())));
2915 }
2916 }
2917 }
2918 }
2919
2920 new_selections.push((selection.map(|_| anchor), 0));
2921 edits.push((selection.start..selection.end, text.clone()));
2922 }
2923
2924 drop(snapshot);
2925
2926 self.transact(window, cx, |this, window, cx| {
2927 this.buffer.update(cx, |buffer, cx| {
2928 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2929 });
2930 for (buffer, edits) in linked_edits {
2931 buffer.update(cx, |buffer, cx| {
2932 let snapshot = buffer.snapshot();
2933 let edits = edits
2934 .into_iter()
2935 .map(|(range, text)| {
2936 use text::ToPoint as TP;
2937 let end_point = TP::to_point(&range.end, &snapshot);
2938 let start_point = TP::to_point(&range.start, &snapshot);
2939 (start_point..end_point, text)
2940 })
2941 .sorted_by_key(|(range, _)| range.start)
2942 .collect::<Vec<_>>();
2943 buffer.edit(edits, None, cx);
2944 })
2945 }
2946 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2947 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2948 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2949 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2950 .zip(new_selection_deltas)
2951 .map(|(selection, delta)| Selection {
2952 id: selection.id,
2953 start: selection.start + delta,
2954 end: selection.end + delta,
2955 reversed: selection.reversed,
2956 goal: SelectionGoal::None,
2957 })
2958 .collect::<Vec<_>>();
2959
2960 let mut i = 0;
2961 for (position, delta, selection_id, pair) in new_autoclose_regions {
2962 let position = position.to_offset(&map.buffer_snapshot) + delta;
2963 let start = map.buffer_snapshot.anchor_before(position);
2964 let end = map.buffer_snapshot.anchor_after(position);
2965 while let Some(existing_state) = this.autoclose_regions.get(i) {
2966 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2967 Ordering::Less => i += 1,
2968 Ordering::Greater => break,
2969 Ordering::Equal => {
2970 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
2971 Ordering::Less => i += 1,
2972 Ordering::Equal => break,
2973 Ordering::Greater => break,
2974 }
2975 }
2976 }
2977 }
2978 this.autoclose_regions.insert(
2979 i,
2980 AutocloseRegion {
2981 selection_id,
2982 range: start..end,
2983 pair,
2984 },
2985 );
2986 }
2987
2988 let had_active_inline_completion = this.has_active_inline_completion();
2989 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
2990 s.select(new_selections)
2991 });
2992
2993 if !bracket_inserted {
2994 if let Some(on_type_format_task) =
2995 this.trigger_on_type_formatting(text.to_string(), window, cx)
2996 {
2997 on_type_format_task.detach_and_log_err(cx);
2998 }
2999 }
3000
3001 let editor_settings = EditorSettings::get_global(cx);
3002 if bracket_inserted
3003 && (editor_settings.auto_signature_help
3004 || editor_settings.show_signature_help_after_edits)
3005 {
3006 this.show_signature_help(&ShowSignatureHelp, window, cx);
3007 }
3008
3009 let trigger_in_words =
3010 this.show_inline_completions_in_menu(cx) || !had_active_inline_completion;
3011 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3012 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3013 this.refresh_inline_completion(true, false, window, cx);
3014 });
3015 }
3016
3017 fn find_possible_emoji_shortcode_at_position(
3018 snapshot: &MultiBufferSnapshot,
3019 position: Point,
3020 ) -> Option<String> {
3021 let mut chars = Vec::new();
3022 let mut found_colon = false;
3023 for char in snapshot.reversed_chars_at(position).take(100) {
3024 // Found a possible emoji shortcode in the middle of the buffer
3025 if found_colon {
3026 if char.is_whitespace() {
3027 chars.reverse();
3028 return Some(chars.iter().collect());
3029 }
3030 // If the previous character is not a whitespace, we are in the middle of a word
3031 // and we only want to complete the shortcode if the word is made up of other emojis
3032 let mut containing_word = String::new();
3033 for ch in snapshot
3034 .reversed_chars_at(position)
3035 .skip(chars.len() + 1)
3036 .take(100)
3037 {
3038 if ch.is_whitespace() {
3039 break;
3040 }
3041 containing_word.push(ch);
3042 }
3043 let containing_word = containing_word.chars().rev().collect::<String>();
3044 if util::word_consists_of_emojis(containing_word.as_str()) {
3045 chars.reverse();
3046 return Some(chars.iter().collect());
3047 }
3048 }
3049
3050 if char.is_whitespace() || !char.is_ascii() {
3051 return None;
3052 }
3053 if char == ':' {
3054 found_colon = true;
3055 } else {
3056 chars.push(char);
3057 }
3058 }
3059 // Found a possible emoji shortcode at the beginning of the buffer
3060 chars.reverse();
3061 Some(chars.iter().collect())
3062 }
3063
3064 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3065 self.transact(window, cx, |this, window, cx| {
3066 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3067 let selections = this.selections.all::<usize>(cx);
3068 let multi_buffer = this.buffer.read(cx);
3069 let buffer = multi_buffer.snapshot(cx);
3070 selections
3071 .iter()
3072 .map(|selection| {
3073 let start_point = selection.start.to_point(&buffer);
3074 let mut indent =
3075 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3076 indent.len = cmp::min(indent.len, start_point.column);
3077 let start = selection.start;
3078 let end = selection.end;
3079 let selection_is_empty = start == end;
3080 let language_scope = buffer.language_scope_at(start);
3081 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3082 &language_scope
3083 {
3084 let leading_whitespace_len = buffer
3085 .reversed_chars_at(start)
3086 .take_while(|c| c.is_whitespace() && *c != '\n')
3087 .map(|c| c.len_utf8())
3088 .sum::<usize>();
3089
3090 let trailing_whitespace_len = buffer
3091 .chars_at(end)
3092 .take_while(|c| c.is_whitespace() && *c != '\n')
3093 .map(|c| c.len_utf8())
3094 .sum::<usize>();
3095
3096 let insert_extra_newline =
3097 language.brackets().any(|(pair, enabled)| {
3098 let pair_start = pair.start.trim_end();
3099 let pair_end = pair.end.trim_start();
3100
3101 enabled
3102 && pair.newline
3103 && buffer.contains_str_at(
3104 end + trailing_whitespace_len,
3105 pair_end,
3106 )
3107 && buffer.contains_str_at(
3108 (start - leading_whitespace_len)
3109 .saturating_sub(pair_start.len()),
3110 pair_start,
3111 )
3112 });
3113
3114 // Comment extension on newline is allowed only for cursor selections
3115 let comment_delimiter = maybe!({
3116 if !selection_is_empty {
3117 return None;
3118 }
3119
3120 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3121 return None;
3122 }
3123
3124 let delimiters = language.line_comment_prefixes();
3125 let max_len_of_delimiter =
3126 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3127 let (snapshot, range) =
3128 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3129
3130 let mut index_of_first_non_whitespace = 0;
3131 let comment_candidate = snapshot
3132 .chars_for_range(range)
3133 .skip_while(|c| {
3134 let should_skip = c.is_whitespace();
3135 if should_skip {
3136 index_of_first_non_whitespace += 1;
3137 }
3138 should_skip
3139 })
3140 .take(max_len_of_delimiter)
3141 .collect::<String>();
3142 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3143 comment_candidate.starts_with(comment_prefix.as_ref())
3144 })?;
3145 let cursor_is_placed_after_comment_marker =
3146 index_of_first_non_whitespace + comment_prefix.len()
3147 <= start_point.column as usize;
3148 if cursor_is_placed_after_comment_marker {
3149 Some(comment_prefix.clone())
3150 } else {
3151 None
3152 }
3153 });
3154 (comment_delimiter, insert_extra_newline)
3155 } else {
3156 (None, false)
3157 };
3158
3159 let capacity_for_delimiter = comment_delimiter
3160 .as_deref()
3161 .map(str::len)
3162 .unwrap_or_default();
3163 let mut new_text =
3164 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3165 new_text.push('\n');
3166 new_text.extend(indent.chars());
3167 if let Some(delimiter) = &comment_delimiter {
3168 new_text.push_str(delimiter);
3169 }
3170 if insert_extra_newline {
3171 new_text = new_text.repeat(2);
3172 }
3173
3174 let anchor = buffer.anchor_after(end);
3175 let new_selection = selection.map(|_| anchor);
3176 (
3177 (start..end, new_text),
3178 (insert_extra_newline, new_selection),
3179 )
3180 })
3181 .unzip()
3182 };
3183
3184 this.edit_with_autoindent(edits, cx);
3185 let buffer = this.buffer.read(cx).snapshot(cx);
3186 let new_selections = selection_fixup_info
3187 .into_iter()
3188 .map(|(extra_newline_inserted, new_selection)| {
3189 let mut cursor = new_selection.end.to_point(&buffer);
3190 if extra_newline_inserted {
3191 cursor.row -= 1;
3192 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3193 }
3194 new_selection.map(|_| cursor)
3195 })
3196 .collect();
3197
3198 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3199 s.select(new_selections)
3200 });
3201 this.refresh_inline_completion(true, false, window, cx);
3202 });
3203 }
3204
3205 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3206 let buffer = self.buffer.read(cx);
3207 let snapshot = buffer.snapshot(cx);
3208
3209 let mut edits = Vec::new();
3210 let mut rows = Vec::new();
3211
3212 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3213 let cursor = selection.head();
3214 let row = cursor.row;
3215
3216 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3217
3218 let newline = "\n".to_string();
3219 edits.push((start_of_line..start_of_line, newline));
3220
3221 rows.push(row + rows_inserted as u32);
3222 }
3223
3224 self.transact(window, cx, |editor, window, cx| {
3225 editor.edit(edits, cx);
3226
3227 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3228 let mut index = 0;
3229 s.move_cursors_with(|map, _, _| {
3230 let row = rows[index];
3231 index += 1;
3232
3233 let point = Point::new(row, 0);
3234 let boundary = map.next_line_boundary(point).1;
3235 let clipped = map.clip_point(boundary, Bias::Left);
3236
3237 (clipped, SelectionGoal::None)
3238 });
3239 });
3240
3241 let mut indent_edits = Vec::new();
3242 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3243 for row in rows {
3244 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3245 for (row, indent) in indents {
3246 if indent.len == 0 {
3247 continue;
3248 }
3249
3250 let text = match indent.kind {
3251 IndentKind::Space => " ".repeat(indent.len as usize),
3252 IndentKind::Tab => "\t".repeat(indent.len as usize),
3253 };
3254 let point = Point::new(row.0, 0);
3255 indent_edits.push((point..point, text));
3256 }
3257 }
3258 editor.edit(indent_edits, cx);
3259 });
3260 }
3261
3262 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3263 let buffer = self.buffer.read(cx);
3264 let snapshot = buffer.snapshot(cx);
3265
3266 let mut edits = Vec::new();
3267 let mut rows = Vec::new();
3268 let mut rows_inserted = 0;
3269
3270 for selection in self.selections.all_adjusted(cx) {
3271 let cursor = selection.head();
3272 let row = cursor.row;
3273
3274 let point = Point::new(row + 1, 0);
3275 let start_of_line = snapshot.clip_point(point, Bias::Left);
3276
3277 let newline = "\n".to_string();
3278 edits.push((start_of_line..start_of_line, newline));
3279
3280 rows_inserted += 1;
3281 rows.push(row + rows_inserted);
3282 }
3283
3284 self.transact(window, cx, |editor, window, cx| {
3285 editor.edit(edits, cx);
3286
3287 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3288 let mut index = 0;
3289 s.move_cursors_with(|map, _, _| {
3290 let row = rows[index];
3291 index += 1;
3292
3293 let point = Point::new(row, 0);
3294 let boundary = map.next_line_boundary(point).1;
3295 let clipped = map.clip_point(boundary, Bias::Left);
3296
3297 (clipped, SelectionGoal::None)
3298 });
3299 });
3300
3301 let mut indent_edits = Vec::new();
3302 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3303 for row in rows {
3304 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3305 for (row, indent) in indents {
3306 if indent.len == 0 {
3307 continue;
3308 }
3309
3310 let text = match indent.kind {
3311 IndentKind::Space => " ".repeat(indent.len as usize),
3312 IndentKind::Tab => "\t".repeat(indent.len as usize),
3313 };
3314 let point = Point::new(row.0, 0);
3315 indent_edits.push((point..point, text));
3316 }
3317 }
3318 editor.edit(indent_edits, cx);
3319 });
3320 }
3321
3322 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3323 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3324 original_indent_columns: Vec::new(),
3325 });
3326 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3327 }
3328
3329 fn insert_with_autoindent_mode(
3330 &mut self,
3331 text: &str,
3332 autoindent_mode: Option<AutoindentMode>,
3333 window: &mut Window,
3334 cx: &mut Context<Self>,
3335 ) {
3336 if self.read_only(cx) {
3337 return;
3338 }
3339
3340 let text: Arc<str> = text.into();
3341 self.transact(window, cx, |this, window, cx| {
3342 let old_selections = this.selections.all_adjusted(cx);
3343 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3344 let anchors = {
3345 let snapshot = buffer.read(cx);
3346 old_selections
3347 .iter()
3348 .map(|s| {
3349 let anchor = snapshot.anchor_after(s.head());
3350 s.map(|_| anchor)
3351 })
3352 .collect::<Vec<_>>()
3353 };
3354 buffer.edit(
3355 old_selections
3356 .iter()
3357 .map(|s| (s.start..s.end, text.clone())),
3358 autoindent_mode,
3359 cx,
3360 );
3361 anchors
3362 });
3363
3364 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3365 s.select_anchors(selection_anchors);
3366 });
3367
3368 cx.notify();
3369 });
3370 }
3371
3372 fn trigger_completion_on_input(
3373 &mut self,
3374 text: &str,
3375 trigger_in_words: bool,
3376 window: &mut Window,
3377 cx: &mut Context<Self>,
3378 ) {
3379 if self.is_completion_trigger(text, trigger_in_words, cx) {
3380 self.show_completions(
3381 &ShowCompletions {
3382 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3383 },
3384 window,
3385 cx,
3386 );
3387 } else {
3388 self.hide_context_menu(window, cx);
3389 }
3390 }
3391
3392 fn is_completion_trigger(
3393 &self,
3394 text: &str,
3395 trigger_in_words: bool,
3396 cx: &mut Context<Self>,
3397 ) -> bool {
3398 let position = self.selections.newest_anchor().head();
3399 let multibuffer = self.buffer.read(cx);
3400 let Some(buffer) = position
3401 .buffer_id
3402 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3403 else {
3404 return false;
3405 };
3406
3407 if let Some(completion_provider) = &self.completion_provider {
3408 completion_provider.is_completion_trigger(
3409 &buffer,
3410 position.text_anchor,
3411 text,
3412 trigger_in_words,
3413 cx,
3414 )
3415 } else {
3416 false
3417 }
3418 }
3419
3420 /// If any empty selections is touching the start of its innermost containing autoclose
3421 /// region, expand it to select the brackets.
3422 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3423 let selections = self.selections.all::<usize>(cx);
3424 let buffer = self.buffer.read(cx).read(cx);
3425 let new_selections = self
3426 .selections_with_autoclose_regions(selections, &buffer)
3427 .map(|(mut selection, region)| {
3428 if !selection.is_empty() {
3429 return selection;
3430 }
3431
3432 if let Some(region) = region {
3433 let mut range = region.range.to_offset(&buffer);
3434 if selection.start == range.start && range.start >= region.pair.start.len() {
3435 range.start -= region.pair.start.len();
3436 if buffer.contains_str_at(range.start, ®ion.pair.start)
3437 && buffer.contains_str_at(range.end, ®ion.pair.end)
3438 {
3439 range.end += region.pair.end.len();
3440 selection.start = range.start;
3441 selection.end = range.end;
3442
3443 return selection;
3444 }
3445 }
3446 }
3447
3448 let always_treat_brackets_as_autoclosed = buffer
3449 .settings_at(selection.start, cx)
3450 .always_treat_brackets_as_autoclosed;
3451
3452 if !always_treat_brackets_as_autoclosed {
3453 return selection;
3454 }
3455
3456 if let Some(scope) = buffer.language_scope_at(selection.start) {
3457 for (pair, enabled) in scope.brackets() {
3458 if !enabled || !pair.close {
3459 continue;
3460 }
3461
3462 if buffer.contains_str_at(selection.start, &pair.end) {
3463 let pair_start_len = pair.start.len();
3464 if buffer.contains_str_at(
3465 selection.start.saturating_sub(pair_start_len),
3466 &pair.start,
3467 ) {
3468 selection.start -= pair_start_len;
3469 selection.end += pair.end.len();
3470
3471 return selection;
3472 }
3473 }
3474 }
3475 }
3476
3477 selection
3478 })
3479 .collect();
3480
3481 drop(buffer);
3482 self.change_selections(None, window, cx, |selections| {
3483 selections.select(new_selections)
3484 });
3485 }
3486
3487 /// Iterate the given selections, and for each one, find the smallest surrounding
3488 /// autoclose region. This uses the ordering of the selections and the autoclose
3489 /// regions to avoid repeated comparisons.
3490 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3491 &'a self,
3492 selections: impl IntoIterator<Item = Selection<D>>,
3493 buffer: &'a MultiBufferSnapshot,
3494 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3495 let mut i = 0;
3496 let mut regions = self.autoclose_regions.as_slice();
3497 selections.into_iter().map(move |selection| {
3498 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3499
3500 let mut enclosing = None;
3501 while let Some(pair_state) = regions.get(i) {
3502 if pair_state.range.end.to_offset(buffer) < range.start {
3503 regions = ®ions[i + 1..];
3504 i = 0;
3505 } else if pair_state.range.start.to_offset(buffer) > range.end {
3506 break;
3507 } else {
3508 if pair_state.selection_id == selection.id {
3509 enclosing = Some(pair_state);
3510 }
3511 i += 1;
3512 }
3513 }
3514
3515 (selection, enclosing)
3516 })
3517 }
3518
3519 /// Remove any autoclose regions that no longer contain their selection.
3520 fn invalidate_autoclose_regions(
3521 &mut self,
3522 mut selections: &[Selection<Anchor>],
3523 buffer: &MultiBufferSnapshot,
3524 ) {
3525 self.autoclose_regions.retain(|state| {
3526 let mut i = 0;
3527 while let Some(selection) = selections.get(i) {
3528 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3529 selections = &selections[1..];
3530 continue;
3531 }
3532 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3533 break;
3534 }
3535 if selection.id == state.selection_id {
3536 return true;
3537 } else {
3538 i += 1;
3539 }
3540 }
3541 false
3542 });
3543 }
3544
3545 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3546 let offset = position.to_offset(buffer);
3547 let (word_range, kind) = buffer.surrounding_word(offset, true);
3548 if offset > word_range.start && kind == Some(CharKind::Word) {
3549 Some(
3550 buffer
3551 .text_for_range(word_range.start..offset)
3552 .collect::<String>(),
3553 )
3554 } else {
3555 None
3556 }
3557 }
3558
3559 pub fn toggle_inlay_hints(
3560 &mut self,
3561 _: &ToggleInlayHints,
3562 _: &mut Window,
3563 cx: &mut Context<Self>,
3564 ) {
3565 self.refresh_inlay_hints(
3566 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3567 cx,
3568 );
3569 }
3570
3571 pub fn inlay_hints_enabled(&self) -> bool {
3572 self.inlay_hint_cache.enabled
3573 }
3574
3575 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3576 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3577 return;
3578 }
3579
3580 let reason_description = reason.description();
3581 let ignore_debounce = matches!(
3582 reason,
3583 InlayHintRefreshReason::SettingsChange(_)
3584 | InlayHintRefreshReason::Toggle(_)
3585 | InlayHintRefreshReason::ExcerptsRemoved(_)
3586 );
3587 let (invalidate_cache, required_languages) = match reason {
3588 InlayHintRefreshReason::Toggle(enabled) => {
3589 self.inlay_hint_cache.enabled = enabled;
3590 if enabled {
3591 (InvalidationStrategy::RefreshRequested, None)
3592 } else {
3593 self.inlay_hint_cache.clear();
3594 self.splice_inlays(
3595 self.visible_inlay_hints(cx)
3596 .iter()
3597 .map(|inlay| inlay.id)
3598 .collect(),
3599 Vec::new(),
3600 cx,
3601 );
3602 return;
3603 }
3604 }
3605 InlayHintRefreshReason::SettingsChange(new_settings) => {
3606 match self.inlay_hint_cache.update_settings(
3607 &self.buffer,
3608 new_settings,
3609 self.visible_inlay_hints(cx),
3610 cx,
3611 ) {
3612 ControlFlow::Break(Some(InlaySplice {
3613 to_remove,
3614 to_insert,
3615 })) => {
3616 self.splice_inlays(to_remove, to_insert, cx);
3617 return;
3618 }
3619 ControlFlow::Break(None) => return,
3620 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3621 }
3622 }
3623 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3624 if let Some(InlaySplice {
3625 to_remove,
3626 to_insert,
3627 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3628 {
3629 self.splice_inlays(to_remove, to_insert, cx);
3630 }
3631 return;
3632 }
3633 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3634 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3635 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3636 }
3637 InlayHintRefreshReason::RefreshRequested => {
3638 (InvalidationStrategy::RefreshRequested, None)
3639 }
3640 };
3641
3642 if let Some(InlaySplice {
3643 to_remove,
3644 to_insert,
3645 }) = self.inlay_hint_cache.spawn_hint_refresh(
3646 reason_description,
3647 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3648 invalidate_cache,
3649 ignore_debounce,
3650 cx,
3651 ) {
3652 self.splice_inlays(to_remove, to_insert, cx);
3653 }
3654 }
3655
3656 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3657 self.display_map
3658 .read(cx)
3659 .current_inlays()
3660 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3661 .cloned()
3662 .collect()
3663 }
3664
3665 pub fn excerpts_for_inlay_hints_query(
3666 &self,
3667 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3668 cx: &mut Context<Editor>,
3669 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3670 let Some(project) = self.project.as_ref() else {
3671 return HashMap::default();
3672 };
3673 let project = project.read(cx);
3674 let multi_buffer = self.buffer().read(cx);
3675 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3676 let multi_buffer_visible_start = self
3677 .scroll_manager
3678 .anchor()
3679 .anchor
3680 .to_point(&multi_buffer_snapshot);
3681 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3682 multi_buffer_visible_start
3683 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3684 Bias::Left,
3685 );
3686 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3687 multi_buffer_snapshot
3688 .range_to_buffer_ranges(multi_buffer_visible_range)
3689 .into_iter()
3690 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3691 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3692 let buffer_file = project::File::from_dyn(buffer.file())?;
3693 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3694 let worktree_entry = buffer_worktree
3695 .read(cx)
3696 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3697 if worktree_entry.is_ignored {
3698 return None;
3699 }
3700
3701 let language = buffer.language()?;
3702 if let Some(restrict_to_languages) = restrict_to_languages {
3703 if !restrict_to_languages.contains(language) {
3704 return None;
3705 }
3706 }
3707 Some((
3708 excerpt_id,
3709 (
3710 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3711 buffer.version().clone(),
3712 excerpt_visible_range,
3713 ),
3714 ))
3715 })
3716 .collect()
3717 }
3718
3719 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3720 TextLayoutDetails {
3721 text_system: window.text_system().clone(),
3722 editor_style: self.style.clone().unwrap(),
3723 rem_size: window.rem_size(),
3724 scroll_anchor: self.scroll_manager.anchor(),
3725 visible_rows: self.visible_line_count(),
3726 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3727 }
3728 }
3729
3730 pub fn splice_inlays(
3731 &self,
3732 to_remove: Vec<InlayId>,
3733 to_insert: Vec<Inlay>,
3734 cx: &mut Context<Self>,
3735 ) {
3736 self.display_map.update(cx, |display_map, cx| {
3737 display_map.splice_inlays(to_remove, to_insert, cx)
3738 });
3739 cx.notify();
3740 }
3741
3742 fn trigger_on_type_formatting(
3743 &self,
3744 input: String,
3745 window: &mut Window,
3746 cx: &mut Context<Self>,
3747 ) -> Option<Task<Result<()>>> {
3748 if input.len() != 1 {
3749 return None;
3750 }
3751
3752 let project = self.project.as_ref()?;
3753 let position = self.selections.newest_anchor().head();
3754 let (buffer, buffer_position) = self
3755 .buffer
3756 .read(cx)
3757 .text_anchor_for_position(position, cx)?;
3758
3759 let settings = language_settings::language_settings(
3760 buffer
3761 .read(cx)
3762 .language_at(buffer_position)
3763 .map(|l| l.name()),
3764 buffer.read(cx).file(),
3765 cx,
3766 );
3767 if !settings.use_on_type_format {
3768 return None;
3769 }
3770
3771 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3772 // hence we do LSP request & edit on host side only — add formats to host's history.
3773 let push_to_lsp_host_history = true;
3774 // If this is not the host, append its history with new edits.
3775 let push_to_client_history = project.read(cx).is_via_collab();
3776
3777 let on_type_formatting = project.update(cx, |project, cx| {
3778 project.on_type_format(
3779 buffer.clone(),
3780 buffer_position,
3781 input,
3782 push_to_lsp_host_history,
3783 cx,
3784 )
3785 });
3786 Some(cx.spawn_in(window, |editor, mut cx| async move {
3787 if let Some(transaction) = on_type_formatting.await? {
3788 if push_to_client_history {
3789 buffer
3790 .update(&mut cx, |buffer, _| {
3791 buffer.push_transaction(transaction, Instant::now());
3792 })
3793 .ok();
3794 }
3795 editor.update(&mut cx, |editor, cx| {
3796 editor.refresh_document_highlights(cx);
3797 })?;
3798 }
3799 Ok(())
3800 }))
3801 }
3802
3803 pub fn show_completions(
3804 &mut self,
3805 options: &ShowCompletions,
3806 window: &mut Window,
3807 cx: &mut Context<Self>,
3808 ) {
3809 if self.pending_rename.is_some() {
3810 return;
3811 }
3812
3813 let Some(provider) = self.completion_provider.as_ref() else {
3814 return;
3815 };
3816
3817 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3818 return;
3819 }
3820
3821 let position = self.selections.newest_anchor().head();
3822 if position.diff_base_anchor.is_some() {
3823 return;
3824 }
3825 let (buffer, buffer_position) =
3826 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3827 output
3828 } else {
3829 return;
3830 };
3831 let show_completion_documentation = buffer
3832 .read(cx)
3833 .snapshot()
3834 .settings_at(buffer_position, cx)
3835 .show_completion_documentation;
3836
3837 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3838
3839 let trigger_kind = match &options.trigger {
3840 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3841 CompletionTriggerKind::TRIGGER_CHARACTER
3842 }
3843 _ => CompletionTriggerKind::INVOKED,
3844 };
3845 let completion_context = CompletionContext {
3846 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3847 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3848 Some(String::from(trigger))
3849 } else {
3850 None
3851 }
3852 }),
3853 trigger_kind,
3854 };
3855 let completions =
3856 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3857 let sort_completions = provider.sort_completions();
3858
3859 let id = post_inc(&mut self.next_completion_id);
3860 let task = cx.spawn_in(window, |editor, mut cx| {
3861 async move {
3862 editor.update(&mut cx, |this, _| {
3863 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3864 })?;
3865 let completions = completions.await.log_err();
3866 let menu = if let Some(completions) = completions {
3867 let mut menu = CompletionsMenu::new(
3868 id,
3869 sort_completions,
3870 show_completion_documentation,
3871 position,
3872 buffer.clone(),
3873 completions.into(),
3874 );
3875
3876 menu.filter(query.as_deref(), cx.background_executor().clone())
3877 .await;
3878
3879 menu.visible().then_some(menu)
3880 } else {
3881 None
3882 };
3883
3884 editor.update_in(&mut cx, |editor, window, cx| {
3885 match editor.context_menu.borrow().as_ref() {
3886 None => {}
3887 Some(CodeContextMenu::Completions(prev_menu)) => {
3888 if prev_menu.id > id {
3889 return;
3890 }
3891 }
3892 _ => return,
3893 }
3894
3895 if editor.focus_handle.is_focused(window) && menu.is_some() {
3896 let mut menu = menu.unwrap();
3897 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3898
3899 if editor.show_inline_completions_in_menu(cx) {
3900 if let Some(hint) = editor.inline_completion_menu_hint(window, cx) {
3901 menu.show_inline_completion_hint(hint);
3902 }
3903 } else {
3904 editor.discard_inline_completion(false, cx);
3905 }
3906
3907 *editor.context_menu.borrow_mut() =
3908 Some(CodeContextMenu::Completions(menu));
3909
3910 cx.notify();
3911 } else if editor.completion_tasks.len() <= 1 {
3912 // If there are no more completion tasks and the last menu was
3913 // empty, we should hide it.
3914 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3915 // If it was already hidden and we don't show inline
3916 // completions in the menu, we should also show the
3917 // inline-completion when available.
3918 if was_hidden && editor.show_inline_completions_in_menu(cx) {
3919 editor.update_visible_inline_completion(window, cx);
3920 }
3921 }
3922 })?;
3923
3924 Ok::<_, anyhow::Error>(())
3925 }
3926 .log_err()
3927 });
3928
3929 self.completion_tasks.push((id, task));
3930 }
3931
3932 pub fn confirm_completion(
3933 &mut self,
3934 action: &ConfirmCompletion,
3935 window: &mut Window,
3936 cx: &mut Context<Self>,
3937 ) -> Option<Task<Result<()>>> {
3938 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3939 }
3940
3941 pub fn compose_completion(
3942 &mut self,
3943 action: &ComposeCompletion,
3944 window: &mut Window,
3945 cx: &mut Context<Self>,
3946 ) -> Option<Task<Result<()>>> {
3947 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
3948 }
3949
3950 fn toggle_zed_predict_onboarding(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3951 let (Some(workspace), Some(project)) = (self.workspace(), self.project.as_ref()) else {
3952 return;
3953 };
3954
3955 let project = project.read(cx);
3956
3957 ZedPredictModal::toggle(
3958 workspace,
3959 project.user_store().clone(),
3960 project.client().clone(),
3961 project.fs().clone(),
3962 window,
3963 cx,
3964 );
3965 }
3966
3967 fn do_completion(
3968 &mut self,
3969 item_ix: Option<usize>,
3970 intent: CompletionIntent,
3971 window: &mut Window,
3972 cx: &mut Context<Editor>,
3973 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3974 use language::ToOffset as _;
3975
3976 {
3977 let context_menu = self.context_menu.borrow();
3978 if let CodeContextMenu::Completions(menu) = context_menu.as_ref()? {
3979 let entries = menu.entries.borrow();
3980 let entry = entries.get(item_ix.unwrap_or(menu.selected_item));
3981 match entry {
3982 Some(CompletionEntry::InlineCompletionHint(
3983 InlineCompletionMenuHint::Loading,
3984 )) => return Some(Task::ready(Ok(()))),
3985 Some(CompletionEntry::InlineCompletionHint(InlineCompletionMenuHint::None)) => {
3986 drop(entries);
3987 drop(context_menu);
3988 self.context_menu_next(&Default::default(), window, cx);
3989 return Some(Task::ready(Ok(())));
3990 }
3991 Some(CompletionEntry::InlineCompletionHint(
3992 InlineCompletionMenuHint::PendingTermsAcceptance,
3993 )) => {
3994 drop(entries);
3995 drop(context_menu);
3996 self.toggle_zed_predict_onboarding(window, cx);
3997 return Some(Task::ready(Ok(())));
3998 }
3999 _ => {}
4000 }
4001 }
4002 }
4003
4004 let completions_menu =
4005 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4006 menu
4007 } else {
4008 return None;
4009 };
4010
4011 let entries = completions_menu.entries.borrow();
4012 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4013 let mat = match mat {
4014 CompletionEntry::InlineCompletionHint(_) => {
4015 self.accept_inline_completion(&AcceptInlineCompletion, window, cx);
4016 cx.stop_propagation();
4017 return Some(Task::ready(Ok(())));
4018 }
4019 CompletionEntry::Match(mat) => {
4020 if self.show_inline_completions_in_menu(cx) {
4021 self.discard_inline_completion(true, cx);
4022 }
4023 mat
4024 }
4025 };
4026 let candidate_id = mat.candidate_id;
4027 drop(entries);
4028
4029 let buffer_handle = completions_menu.buffer;
4030 let completion = completions_menu
4031 .completions
4032 .borrow()
4033 .get(candidate_id)?
4034 .clone();
4035 cx.stop_propagation();
4036
4037 let snippet;
4038 let text;
4039
4040 if completion.is_snippet() {
4041 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4042 text = snippet.as_ref().unwrap().text.clone();
4043 } else {
4044 snippet = None;
4045 text = completion.new_text.clone();
4046 };
4047 let selections = self.selections.all::<usize>(cx);
4048 let buffer = buffer_handle.read(cx);
4049 let old_range = completion.old_range.to_offset(buffer);
4050 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4051
4052 let newest_selection = self.selections.newest_anchor();
4053 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4054 return None;
4055 }
4056
4057 let lookbehind = newest_selection
4058 .start
4059 .text_anchor
4060 .to_offset(buffer)
4061 .saturating_sub(old_range.start);
4062 let lookahead = old_range
4063 .end
4064 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4065 let mut common_prefix_len = old_text
4066 .bytes()
4067 .zip(text.bytes())
4068 .take_while(|(a, b)| a == b)
4069 .count();
4070
4071 let snapshot = self.buffer.read(cx).snapshot(cx);
4072 let mut range_to_replace: Option<Range<isize>> = None;
4073 let mut ranges = Vec::new();
4074 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4075 for selection in &selections {
4076 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4077 let start = selection.start.saturating_sub(lookbehind);
4078 let end = selection.end + lookahead;
4079 if selection.id == newest_selection.id {
4080 range_to_replace = Some(
4081 ((start + common_prefix_len) as isize - selection.start as isize)
4082 ..(end as isize - selection.start as isize),
4083 );
4084 }
4085 ranges.push(start + common_prefix_len..end);
4086 } else {
4087 common_prefix_len = 0;
4088 ranges.clear();
4089 ranges.extend(selections.iter().map(|s| {
4090 if s.id == newest_selection.id {
4091 range_to_replace = Some(
4092 old_range.start.to_offset_utf16(&snapshot).0 as isize
4093 - selection.start as isize
4094 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4095 - selection.start as isize,
4096 );
4097 old_range.clone()
4098 } else {
4099 s.start..s.end
4100 }
4101 }));
4102 break;
4103 }
4104 if !self.linked_edit_ranges.is_empty() {
4105 let start_anchor = snapshot.anchor_before(selection.head());
4106 let end_anchor = snapshot.anchor_after(selection.tail());
4107 if let Some(ranges) = self
4108 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4109 {
4110 for (buffer, edits) in ranges {
4111 linked_edits.entry(buffer.clone()).or_default().extend(
4112 edits
4113 .into_iter()
4114 .map(|range| (range, text[common_prefix_len..].to_owned())),
4115 );
4116 }
4117 }
4118 }
4119 }
4120 let text = &text[common_prefix_len..];
4121
4122 cx.emit(EditorEvent::InputHandled {
4123 utf16_range_to_replace: range_to_replace,
4124 text: text.into(),
4125 });
4126
4127 self.transact(window, cx, |this, window, cx| {
4128 if let Some(mut snippet) = snippet {
4129 snippet.text = text.to_string();
4130 for tabstop in snippet
4131 .tabstops
4132 .iter_mut()
4133 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4134 {
4135 tabstop.start -= common_prefix_len as isize;
4136 tabstop.end -= common_prefix_len as isize;
4137 }
4138
4139 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4140 } else {
4141 this.buffer.update(cx, |buffer, cx| {
4142 buffer.edit(
4143 ranges.iter().map(|range| (range.clone(), text)),
4144 this.autoindent_mode.clone(),
4145 cx,
4146 );
4147 });
4148 }
4149 for (buffer, edits) in linked_edits {
4150 buffer.update(cx, |buffer, cx| {
4151 let snapshot = buffer.snapshot();
4152 let edits = edits
4153 .into_iter()
4154 .map(|(range, text)| {
4155 use text::ToPoint as TP;
4156 let end_point = TP::to_point(&range.end, &snapshot);
4157 let start_point = TP::to_point(&range.start, &snapshot);
4158 (start_point..end_point, text)
4159 })
4160 .sorted_by_key(|(range, _)| range.start)
4161 .collect::<Vec<_>>();
4162 buffer.edit(edits, None, cx);
4163 })
4164 }
4165
4166 this.refresh_inline_completion(true, false, window, cx);
4167 });
4168
4169 let show_new_completions_on_confirm = completion
4170 .confirm
4171 .as_ref()
4172 .map_or(false, |confirm| confirm(intent, window, cx));
4173 if show_new_completions_on_confirm {
4174 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4175 }
4176
4177 let provider = self.completion_provider.as_ref()?;
4178 drop(completion);
4179 let apply_edits = provider.apply_additional_edits_for_completion(
4180 buffer_handle,
4181 completions_menu.completions.clone(),
4182 candidate_id,
4183 true,
4184 cx,
4185 );
4186
4187 let editor_settings = EditorSettings::get_global(cx);
4188 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4189 // After the code completion is finished, users often want to know what signatures are needed.
4190 // so we should automatically call signature_help
4191 self.show_signature_help(&ShowSignatureHelp, window, cx);
4192 }
4193
4194 Some(cx.foreground_executor().spawn(async move {
4195 apply_edits.await?;
4196 Ok(())
4197 }))
4198 }
4199
4200 pub fn toggle_code_actions(
4201 &mut self,
4202 action: &ToggleCodeActions,
4203 window: &mut Window,
4204 cx: &mut Context<Self>,
4205 ) {
4206 let mut context_menu = self.context_menu.borrow_mut();
4207 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4208 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4209 // Toggle if we're selecting the same one
4210 *context_menu = None;
4211 cx.notify();
4212 return;
4213 } else {
4214 // Otherwise, clear it and start a new one
4215 *context_menu = None;
4216 cx.notify();
4217 }
4218 }
4219 drop(context_menu);
4220 let snapshot = self.snapshot(window, cx);
4221 let deployed_from_indicator = action.deployed_from_indicator;
4222 let mut task = self.code_actions_task.take();
4223 let action = action.clone();
4224 cx.spawn_in(window, |editor, mut cx| async move {
4225 while let Some(prev_task) = task {
4226 prev_task.await.log_err();
4227 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4228 }
4229
4230 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4231 if editor.focus_handle.is_focused(window) {
4232 let multibuffer_point = action
4233 .deployed_from_indicator
4234 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4235 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4236 let (buffer, buffer_row) = snapshot
4237 .buffer_snapshot
4238 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4239 .and_then(|(buffer_snapshot, range)| {
4240 editor
4241 .buffer
4242 .read(cx)
4243 .buffer(buffer_snapshot.remote_id())
4244 .map(|buffer| (buffer, range.start.row))
4245 })?;
4246 let (_, code_actions) = editor
4247 .available_code_actions
4248 .clone()
4249 .and_then(|(location, code_actions)| {
4250 let snapshot = location.buffer.read(cx).snapshot();
4251 let point_range = location.range.to_point(&snapshot);
4252 let point_range = point_range.start.row..=point_range.end.row;
4253 if point_range.contains(&buffer_row) {
4254 Some((location, code_actions))
4255 } else {
4256 None
4257 }
4258 })
4259 .unzip();
4260 let buffer_id = buffer.read(cx).remote_id();
4261 let tasks = editor
4262 .tasks
4263 .get(&(buffer_id, buffer_row))
4264 .map(|t| Arc::new(t.to_owned()));
4265 if tasks.is_none() && code_actions.is_none() {
4266 return None;
4267 }
4268
4269 editor.completion_tasks.clear();
4270 editor.discard_inline_completion(false, cx);
4271 let task_context =
4272 tasks
4273 .as_ref()
4274 .zip(editor.project.clone())
4275 .map(|(tasks, project)| {
4276 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4277 });
4278
4279 Some(cx.spawn_in(window, |editor, mut cx| async move {
4280 let task_context = match task_context {
4281 Some(task_context) => task_context.await,
4282 None => None,
4283 };
4284 let resolved_tasks =
4285 tasks.zip(task_context).map(|(tasks, task_context)| {
4286 Rc::new(ResolvedTasks {
4287 templates: tasks.resolve(&task_context).collect(),
4288 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4289 multibuffer_point.row,
4290 tasks.column,
4291 )),
4292 })
4293 });
4294 let spawn_straight_away = resolved_tasks
4295 .as_ref()
4296 .map_or(false, |tasks| tasks.templates.len() == 1)
4297 && code_actions
4298 .as_ref()
4299 .map_or(true, |actions| actions.is_empty());
4300 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4301 *editor.context_menu.borrow_mut() =
4302 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4303 buffer,
4304 actions: CodeActionContents {
4305 tasks: resolved_tasks,
4306 actions: code_actions,
4307 },
4308 selected_item: Default::default(),
4309 scroll_handle: UniformListScrollHandle::default(),
4310 deployed_from_indicator,
4311 }));
4312 if spawn_straight_away {
4313 if let Some(task) = editor.confirm_code_action(
4314 &ConfirmCodeAction { item_ix: Some(0) },
4315 window,
4316 cx,
4317 ) {
4318 cx.notify();
4319 return task;
4320 }
4321 }
4322 cx.notify();
4323 Task::ready(Ok(()))
4324 }) {
4325 task.await
4326 } else {
4327 Ok(())
4328 }
4329 }))
4330 } else {
4331 Some(Task::ready(Ok(())))
4332 }
4333 })?;
4334 if let Some(task) = spawned_test_task {
4335 task.await?;
4336 }
4337
4338 Ok::<_, anyhow::Error>(())
4339 })
4340 .detach_and_log_err(cx);
4341 }
4342
4343 pub fn confirm_code_action(
4344 &mut self,
4345 action: &ConfirmCodeAction,
4346 window: &mut Window,
4347 cx: &mut Context<Self>,
4348 ) -> Option<Task<Result<()>>> {
4349 let actions_menu =
4350 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4351 menu
4352 } else {
4353 return None;
4354 };
4355 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4356 let action = actions_menu.actions.get(action_ix)?;
4357 let title = action.label();
4358 let buffer = actions_menu.buffer;
4359 let workspace = self.workspace()?;
4360
4361 match action {
4362 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4363 workspace.update(cx, |workspace, cx| {
4364 workspace::tasks::schedule_resolved_task(
4365 workspace,
4366 task_source_kind,
4367 resolved_task,
4368 false,
4369 cx,
4370 );
4371
4372 Some(Task::ready(Ok(())))
4373 })
4374 }
4375 CodeActionsItem::CodeAction {
4376 excerpt_id,
4377 action,
4378 provider,
4379 } => {
4380 let apply_code_action =
4381 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4382 let workspace = workspace.downgrade();
4383 Some(cx.spawn_in(window, |editor, cx| async move {
4384 let project_transaction = apply_code_action.await?;
4385 Self::open_project_transaction(
4386 &editor,
4387 workspace,
4388 project_transaction,
4389 title,
4390 cx,
4391 )
4392 .await
4393 }))
4394 }
4395 }
4396 }
4397
4398 pub async fn open_project_transaction(
4399 this: &WeakEntity<Editor>,
4400 workspace: WeakEntity<Workspace>,
4401 transaction: ProjectTransaction,
4402 title: String,
4403 mut cx: AsyncWindowContext,
4404 ) -> Result<()> {
4405 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4406 cx.update(|_, cx| {
4407 entries.sort_unstable_by_key(|(buffer, _)| {
4408 buffer.read(cx).file().map(|f| f.path().clone())
4409 });
4410 })?;
4411
4412 // If the project transaction's edits are all contained within this editor, then
4413 // avoid opening a new editor to display them.
4414
4415 if let Some((buffer, transaction)) = entries.first() {
4416 if entries.len() == 1 {
4417 let excerpt = this.update(&mut cx, |editor, cx| {
4418 editor
4419 .buffer()
4420 .read(cx)
4421 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4422 })?;
4423 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4424 if excerpted_buffer == *buffer {
4425 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4426 let excerpt_range = excerpt_range.to_offset(buffer);
4427 buffer
4428 .edited_ranges_for_transaction::<usize>(transaction)
4429 .all(|range| {
4430 excerpt_range.start <= range.start
4431 && excerpt_range.end >= range.end
4432 })
4433 })?;
4434
4435 if all_edits_within_excerpt {
4436 return Ok(());
4437 }
4438 }
4439 }
4440 }
4441 } else {
4442 return Ok(());
4443 }
4444
4445 let mut ranges_to_highlight = Vec::new();
4446 let excerpt_buffer = cx.new(|cx| {
4447 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4448 for (buffer_handle, transaction) in &entries {
4449 let buffer = buffer_handle.read(cx);
4450 ranges_to_highlight.extend(
4451 multibuffer.push_excerpts_with_context_lines(
4452 buffer_handle.clone(),
4453 buffer
4454 .edited_ranges_for_transaction::<usize>(transaction)
4455 .collect(),
4456 DEFAULT_MULTIBUFFER_CONTEXT,
4457 cx,
4458 ),
4459 );
4460 }
4461 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4462 multibuffer
4463 })?;
4464
4465 workspace.update_in(&mut cx, |workspace, window, cx| {
4466 let project = workspace.project().clone();
4467 let editor = cx
4468 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4469 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4470 editor.update(cx, |editor, cx| {
4471 editor.highlight_background::<Self>(
4472 &ranges_to_highlight,
4473 |theme| theme.editor_highlighted_line_background,
4474 cx,
4475 );
4476 });
4477 })?;
4478
4479 Ok(())
4480 }
4481
4482 pub fn clear_code_action_providers(&mut self) {
4483 self.code_action_providers.clear();
4484 self.available_code_actions.take();
4485 }
4486
4487 pub fn add_code_action_provider(
4488 &mut self,
4489 provider: Rc<dyn CodeActionProvider>,
4490 window: &mut Window,
4491 cx: &mut Context<Self>,
4492 ) {
4493 if self
4494 .code_action_providers
4495 .iter()
4496 .any(|existing_provider| existing_provider.id() == provider.id())
4497 {
4498 return;
4499 }
4500
4501 self.code_action_providers.push(provider);
4502 self.refresh_code_actions(window, cx);
4503 }
4504
4505 pub fn remove_code_action_provider(
4506 &mut self,
4507 id: Arc<str>,
4508 window: &mut Window,
4509 cx: &mut Context<Self>,
4510 ) {
4511 self.code_action_providers
4512 .retain(|provider| provider.id() != id);
4513 self.refresh_code_actions(window, cx);
4514 }
4515
4516 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4517 let buffer = self.buffer.read(cx);
4518 let newest_selection = self.selections.newest_anchor().clone();
4519 if newest_selection.head().diff_base_anchor.is_some() {
4520 return None;
4521 }
4522 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4523 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4524 if start_buffer != end_buffer {
4525 return None;
4526 }
4527
4528 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4529 cx.background_executor()
4530 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4531 .await;
4532
4533 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4534 let providers = this.code_action_providers.clone();
4535 let tasks = this
4536 .code_action_providers
4537 .iter()
4538 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4539 .collect::<Vec<_>>();
4540 (providers, tasks)
4541 })?;
4542
4543 let mut actions = Vec::new();
4544 for (provider, provider_actions) in
4545 providers.into_iter().zip(future::join_all(tasks).await)
4546 {
4547 if let Some(provider_actions) = provider_actions.log_err() {
4548 actions.extend(provider_actions.into_iter().map(|action| {
4549 AvailableCodeAction {
4550 excerpt_id: newest_selection.start.excerpt_id,
4551 action,
4552 provider: provider.clone(),
4553 }
4554 }));
4555 }
4556 }
4557
4558 this.update(&mut cx, |this, cx| {
4559 this.available_code_actions = if actions.is_empty() {
4560 None
4561 } else {
4562 Some((
4563 Location {
4564 buffer: start_buffer,
4565 range: start..end,
4566 },
4567 actions.into(),
4568 ))
4569 };
4570 cx.notify();
4571 })
4572 }));
4573 None
4574 }
4575
4576 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4577 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4578 self.show_git_blame_inline = false;
4579
4580 self.show_git_blame_inline_delay_task =
4581 Some(cx.spawn_in(window, |this, mut cx| async move {
4582 cx.background_executor().timer(delay).await;
4583
4584 this.update(&mut cx, |this, cx| {
4585 this.show_git_blame_inline = true;
4586 cx.notify();
4587 })
4588 .log_err();
4589 }));
4590 }
4591 }
4592
4593 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4594 if self.pending_rename.is_some() {
4595 return None;
4596 }
4597
4598 let provider = self.semantics_provider.clone()?;
4599 let buffer = self.buffer.read(cx);
4600 let newest_selection = self.selections.newest_anchor().clone();
4601 let cursor_position = newest_selection.head();
4602 let (cursor_buffer, cursor_buffer_position) =
4603 buffer.text_anchor_for_position(cursor_position, cx)?;
4604 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4605 if cursor_buffer != tail_buffer {
4606 return None;
4607 }
4608 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4609 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4610 cx.background_executor()
4611 .timer(Duration::from_millis(debounce))
4612 .await;
4613
4614 let highlights = if let Some(highlights) = cx
4615 .update(|cx| {
4616 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4617 })
4618 .ok()
4619 .flatten()
4620 {
4621 highlights.await.log_err()
4622 } else {
4623 None
4624 };
4625
4626 if let Some(highlights) = highlights {
4627 this.update(&mut cx, |this, cx| {
4628 if this.pending_rename.is_some() {
4629 return;
4630 }
4631
4632 let buffer_id = cursor_position.buffer_id;
4633 let buffer = this.buffer.read(cx);
4634 if !buffer
4635 .text_anchor_for_position(cursor_position, cx)
4636 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4637 {
4638 return;
4639 }
4640
4641 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4642 let mut write_ranges = Vec::new();
4643 let mut read_ranges = Vec::new();
4644 for highlight in highlights {
4645 for (excerpt_id, excerpt_range) in
4646 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4647 {
4648 let start = highlight
4649 .range
4650 .start
4651 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4652 let end = highlight
4653 .range
4654 .end
4655 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4656 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4657 continue;
4658 }
4659
4660 let range = Anchor {
4661 buffer_id,
4662 excerpt_id,
4663 text_anchor: start,
4664 diff_base_anchor: None,
4665 }..Anchor {
4666 buffer_id,
4667 excerpt_id,
4668 text_anchor: end,
4669 diff_base_anchor: None,
4670 };
4671 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4672 write_ranges.push(range);
4673 } else {
4674 read_ranges.push(range);
4675 }
4676 }
4677 }
4678
4679 this.highlight_background::<DocumentHighlightRead>(
4680 &read_ranges,
4681 |theme| theme.editor_document_highlight_read_background,
4682 cx,
4683 );
4684 this.highlight_background::<DocumentHighlightWrite>(
4685 &write_ranges,
4686 |theme| theme.editor_document_highlight_write_background,
4687 cx,
4688 );
4689 cx.notify();
4690 })
4691 .log_err();
4692 }
4693 }));
4694 None
4695 }
4696
4697 pub fn refresh_inline_completion(
4698 &mut self,
4699 debounce: bool,
4700 user_requested: bool,
4701 window: &mut Window,
4702 cx: &mut Context<Self>,
4703 ) -> Option<()> {
4704 let provider = self.inline_completion_provider()?;
4705 let cursor = self.selections.newest_anchor().head();
4706 let (buffer, cursor_buffer_position) =
4707 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4708
4709 if !user_requested
4710 && (!self.enable_inline_completions
4711 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4712 || !self.is_focused(window)
4713 || buffer.read(cx).is_empty())
4714 {
4715 self.discard_inline_completion(false, cx);
4716 return None;
4717 }
4718
4719 self.update_visible_inline_completion(window, cx);
4720 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4721 Some(())
4722 }
4723
4724 fn cycle_inline_completion(
4725 &mut self,
4726 direction: Direction,
4727 window: &mut Window,
4728 cx: &mut Context<Self>,
4729 ) -> Option<()> {
4730 let provider = self.inline_completion_provider()?;
4731 let cursor = self.selections.newest_anchor().head();
4732 let (buffer, cursor_buffer_position) =
4733 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4734 if !self.enable_inline_completions
4735 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4736 {
4737 return None;
4738 }
4739
4740 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4741 self.update_visible_inline_completion(window, cx);
4742
4743 Some(())
4744 }
4745
4746 pub fn show_inline_completion(
4747 &mut self,
4748 _: &ShowInlineCompletion,
4749 window: &mut Window,
4750 cx: &mut Context<Self>,
4751 ) {
4752 if !self.has_active_inline_completion() {
4753 self.refresh_inline_completion(false, true, window, cx);
4754 return;
4755 }
4756
4757 self.update_visible_inline_completion(window, cx);
4758 }
4759
4760 pub fn display_cursor_names(
4761 &mut self,
4762 _: &DisplayCursorNames,
4763 window: &mut Window,
4764 cx: &mut Context<Self>,
4765 ) {
4766 self.show_cursor_names(window, cx);
4767 }
4768
4769 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4770 self.show_cursor_names = true;
4771 cx.notify();
4772 cx.spawn_in(window, |this, mut cx| async move {
4773 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4774 this.update(&mut cx, |this, cx| {
4775 this.show_cursor_names = false;
4776 cx.notify()
4777 })
4778 .ok()
4779 })
4780 .detach();
4781 }
4782
4783 pub fn next_inline_completion(
4784 &mut self,
4785 _: &NextInlineCompletion,
4786 window: &mut Window,
4787 cx: &mut Context<Self>,
4788 ) {
4789 if self.has_active_inline_completion() {
4790 self.cycle_inline_completion(Direction::Next, window, cx);
4791 } else {
4792 let is_copilot_disabled = self
4793 .refresh_inline_completion(false, true, window, cx)
4794 .is_none();
4795 if is_copilot_disabled {
4796 cx.propagate();
4797 }
4798 }
4799 }
4800
4801 pub fn previous_inline_completion(
4802 &mut self,
4803 _: &PreviousInlineCompletion,
4804 window: &mut Window,
4805 cx: &mut Context<Self>,
4806 ) {
4807 if self.has_active_inline_completion() {
4808 self.cycle_inline_completion(Direction::Prev, window, cx);
4809 } else {
4810 let is_copilot_disabled = self
4811 .refresh_inline_completion(false, true, window, cx)
4812 .is_none();
4813 if is_copilot_disabled {
4814 cx.propagate();
4815 }
4816 }
4817 }
4818
4819 pub fn accept_inline_completion(
4820 &mut self,
4821 _: &AcceptInlineCompletion,
4822 window: &mut Window,
4823 cx: &mut Context<Self>,
4824 ) {
4825 let buffer = self.buffer.read(cx);
4826 let snapshot = buffer.snapshot(cx);
4827 let selection = self.selections.newest_adjusted(cx);
4828 let cursor = selection.head();
4829 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
4830 let suggested_indents = snapshot.suggested_indents([cursor.row], cx);
4831 if let Some(suggested_indent) = suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
4832 {
4833 if cursor.column < suggested_indent.len
4834 && cursor.column <= current_indent.len
4835 && current_indent.len <= suggested_indent.len
4836 {
4837 self.tab(&Default::default(), window, cx);
4838 return;
4839 }
4840 }
4841
4842 if self.show_inline_completions_in_menu(cx) {
4843 self.hide_context_menu(window, cx);
4844 }
4845
4846 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4847 return;
4848 };
4849
4850 self.report_inline_completion_event(true, cx);
4851
4852 match &active_inline_completion.completion {
4853 InlineCompletion::Move(position) => {
4854 let position = *position;
4855 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4856 selections.select_anchor_ranges([position..position]);
4857 });
4858 }
4859 InlineCompletion::Edit {
4860 edits,
4861 display_mode: _,
4862 } => {
4863 if let Some(provider) = self.inline_completion_provider() {
4864 provider.accept(cx);
4865 }
4866
4867 let snapshot = self.buffer.read(cx).snapshot(cx);
4868 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4869
4870 self.buffer.update(cx, |buffer, cx| {
4871 buffer.edit(edits.iter().cloned(), None, cx)
4872 });
4873
4874 self.change_selections(None, window, cx, |s| {
4875 s.select_anchor_ranges([last_edit_end..last_edit_end])
4876 });
4877
4878 self.update_visible_inline_completion(window, cx);
4879 if self.active_inline_completion.is_none() {
4880 self.refresh_inline_completion(true, true, window, cx);
4881 }
4882
4883 cx.notify();
4884 }
4885 }
4886 }
4887
4888 pub fn accept_partial_inline_completion(
4889 &mut self,
4890 _: &AcceptPartialInlineCompletion,
4891 window: &mut Window,
4892 cx: &mut Context<Self>,
4893 ) {
4894 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4895 return;
4896 };
4897 if self.selections.count() != 1 {
4898 return;
4899 }
4900
4901 self.report_inline_completion_event(true, cx);
4902
4903 match &active_inline_completion.completion {
4904 InlineCompletion::Move(position) => {
4905 let position = *position;
4906 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4907 selections.select_anchor_ranges([position..position]);
4908 });
4909 }
4910 InlineCompletion::Edit {
4911 edits,
4912 display_mode: _,
4913 } => {
4914 // Find an insertion that starts at the cursor position.
4915 let snapshot = self.buffer.read(cx).snapshot(cx);
4916 let cursor_offset = self.selections.newest::<usize>(cx).head();
4917 let insertion = edits.iter().find_map(|(range, text)| {
4918 let range = range.to_offset(&snapshot);
4919 if range.is_empty() && range.start == cursor_offset {
4920 Some(text)
4921 } else {
4922 None
4923 }
4924 });
4925
4926 if let Some(text) = insertion {
4927 let mut partial_completion = text
4928 .chars()
4929 .by_ref()
4930 .take_while(|c| c.is_alphabetic())
4931 .collect::<String>();
4932 if partial_completion.is_empty() {
4933 partial_completion = text
4934 .chars()
4935 .by_ref()
4936 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4937 .collect::<String>();
4938 }
4939
4940 cx.emit(EditorEvent::InputHandled {
4941 utf16_range_to_replace: None,
4942 text: partial_completion.clone().into(),
4943 });
4944
4945 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
4946
4947 self.refresh_inline_completion(true, true, window, cx);
4948 cx.notify();
4949 } else {
4950 self.accept_inline_completion(&Default::default(), window, cx);
4951 }
4952 }
4953 }
4954 }
4955
4956 fn discard_inline_completion(
4957 &mut self,
4958 should_report_inline_completion_event: bool,
4959 cx: &mut Context<Self>,
4960 ) -> bool {
4961 if should_report_inline_completion_event {
4962 self.report_inline_completion_event(false, cx);
4963 }
4964
4965 if let Some(provider) = self.inline_completion_provider() {
4966 provider.discard(cx);
4967 }
4968
4969 self.take_active_inline_completion(cx).is_some()
4970 }
4971
4972 fn report_inline_completion_event(&self, accepted: bool, cx: &App) {
4973 let Some(provider) = self.inline_completion_provider() else {
4974 return;
4975 };
4976
4977 let Some((_, buffer, _)) = self
4978 .buffer
4979 .read(cx)
4980 .excerpt_containing(self.selections.newest_anchor().head(), cx)
4981 else {
4982 return;
4983 };
4984
4985 let extension = buffer
4986 .read(cx)
4987 .file()
4988 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
4989
4990 let event_type = match accepted {
4991 true => "Inline Completion Accepted",
4992 false => "Inline Completion Discarded",
4993 };
4994 telemetry::event!(
4995 event_type,
4996 provider = provider.name(),
4997 suggestion_accepted = accepted,
4998 file_extension = extension,
4999 );
5000 }
5001
5002 pub fn has_active_inline_completion(&self) -> bool {
5003 self.active_inline_completion.is_some()
5004 }
5005
5006 fn take_active_inline_completion(
5007 &mut self,
5008 cx: &mut Context<Self>,
5009 ) -> Option<InlineCompletion> {
5010 let active_inline_completion = self.active_inline_completion.take()?;
5011 self.splice_inlays(active_inline_completion.inlay_ids, Default::default(), cx);
5012 self.clear_highlights::<InlineCompletionHighlight>(cx);
5013 Some(active_inline_completion.completion)
5014 }
5015
5016 fn update_visible_inline_completion(
5017 &mut self,
5018 window: &mut Window,
5019 cx: &mut Context<Self>,
5020 ) -> Option<()> {
5021 let selection = self.selections.newest_anchor();
5022 let cursor = selection.head();
5023 let multibuffer = self.buffer.read(cx).snapshot(cx);
5024 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5025 let excerpt_id = cursor.excerpt_id;
5026
5027 let completions_menu_has_precedence = !self.show_inline_completions_in_menu(cx)
5028 && (self.context_menu.borrow().is_some()
5029 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5030 if completions_menu_has_precedence
5031 || !offset_selection.is_empty()
5032 || !self.enable_inline_completions
5033 || self
5034 .active_inline_completion
5035 .as_ref()
5036 .map_or(false, |completion| {
5037 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5038 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5039 !invalidation_range.contains(&offset_selection.head())
5040 })
5041 {
5042 self.discard_inline_completion(false, cx);
5043 return None;
5044 }
5045
5046 self.take_active_inline_completion(cx);
5047 let provider = self.inline_completion_provider()?;
5048
5049 let (buffer, cursor_buffer_position) =
5050 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5051
5052 let completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5053 let edits = completion
5054 .edits
5055 .into_iter()
5056 .flat_map(|(range, new_text)| {
5057 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5058 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5059 Some((start..end, new_text))
5060 })
5061 .collect::<Vec<_>>();
5062 if edits.is_empty() {
5063 return None;
5064 }
5065
5066 let first_edit_start = edits.first().unwrap().0.start;
5067 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5068 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5069
5070 let last_edit_end = edits.last().unwrap().0.end;
5071 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5072 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5073
5074 let cursor_row = cursor.to_point(&multibuffer).row;
5075
5076 let mut inlay_ids = Vec::new();
5077 let invalidation_row_range;
5078 let completion;
5079 if cursor_row < edit_start_row {
5080 invalidation_row_range = cursor_row..edit_end_row;
5081 completion = InlineCompletion::Move(first_edit_start);
5082 } else if cursor_row > edit_end_row {
5083 invalidation_row_range = edit_start_row..cursor_row;
5084 completion = InlineCompletion::Move(first_edit_start);
5085 } else {
5086 if edits
5087 .iter()
5088 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5089 {
5090 let mut inlays = Vec::new();
5091 for (range, new_text) in &edits {
5092 let inlay = Inlay::inline_completion(
5093 post_inc(&mut self.next_inlay_id),
5094 range.start,
5095 new_text.as_str(),
5096 );
5097 inlay_ids.push(inlay.id);
5098 inlays.push(inlay);
5099 }
5100
5101 self.splice_inlays(vec![], inlays, cx);
5102 } else {
5103 let background_color = cx.theme().status().deleted_background;
5104 self.highlight_text::<InlineCompletionHighlight>(
5105 edits.iter().map(|(range, _)| range.clone()).collect(),
5106 HighlightStyle {
5107 background_color: Some(background_color),
5108 ..Default::default()
5109 },
5110 cx,
5111 );
5112 }
5113
5114 invalidation_row_range = edit_start_row..edit_end_row;
5115
5116 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5117 if provider.show_tab_accept_marker()
5118 && first_edit_start_point.row == last_edit_end_point.row
5119 && !edits.iter().any(|(_, edit)| edit.contains('\n'))
5120 {
5121 EditDisplayMode::TabAccept
5122 } else {
5123 EditDisplayMode::Inline
5124 }
5125 } else {
5126 EditDisplayMode::DiffPopover
5127 };
5128
5129 completion = InlineCompletion::Edit {
5130 edits,
5131 display_mode,
5132 };
5133 };
5134
5135 let invalidation_range = multibuffer
5136 .anchor_before(Point::new(invalidation_row_range.start, 0))
5137 ..multibuffer.anchor_after(Point::new(
5138 invalidation_row_range.end,
5139 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5140 ));
5141
5142 self.active_inline_completion = Some(InlineCompletionState {
5143 inlay_ids,
5144 completion,
5145 invalidation_range,
5146 });
5147
5148 if self.show_inline_completions_in_menu(cx) && self.has_active_completions_menu() {
5149 if let Some(hint) = self.inline_completion_menu_hint(window, cx) {
5150 match self.context_menu.borrow_mut().as_mut() {
5151 Some(CodeContextMenu::Completions(menu)) => {
5152 menu.show_inline_completion_hint(hint);
5153 }
5154 _ => {}
5155 }
5156 }
5157 }
5158
5159 cx.notify();
5160
5161 Some(())
5162 }
5163
5164 fn inline_completion_menu_hint(
5165 &self,
5166 window: &mut Window,
5167 cx: &mut Context<Self>,
5168 ) -> Option<InlineCompletionMenuHint> {
5169 let provider = self.inline_completion_provider()?;
5170 if self.has_active_inline_completion() {
5171 let editor_snapshot = self.snapshot(window, cx);
5172
5173 let text = match &self.active_inline_completion.as_ref()?.completion {
5174 InlineCompletion::Edit {
5175 edits,
5176 display_mode: _,
5177 } => inline_completion_edit_text(&editor_snapshot, edits, true, cx),
5178 InlineCompletion::Move(target) => {
5179 let target_point =
5180 target.to_point(&editor_snapshot.display_snapshot.buffer_snapshot);
5181 let target_line = target_point.row + 1;
5182 InlineCompletionText::Move(
5183 format!("Jump to edit in line {}", target_line).into(),
5184 )
5185 }
5186 };
5187
5188 Some(InlineCompletionMenuHint::Loaded { text })
5189 } else if provider.is_refreshing(cx) {
5190 Some(InlineCompletionMenuHint::Loading)
5191 } else if provider.needs_terms_acceptance(cx) {
5192 Some(InlineCompletionMenuHint::PendingTermsAcceptance)
5193 } else {
5194 Some(InlineCompletionMenuHint::None)
5195 }
5196 }
5197
5198 pub fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5199 Some(self.inline_completion_provider.as_ref()?.provider.clone())
5200 }
5201
5202 fn show_inline_completions_in_menu(&self, cx: &App) -> bool {
5203 let by_provider = matches!(
5204 self.menu_inline_completions_policy,
5205 MenuInlineCompletionsPolicy::ByProvider
5206 );
5207
5208 by_provider
5209 && EditorSettings::get_global(cx).show_inline_completions_in_menu
5210 && self
5211 .inline_completion_provider()
5212 .map_or(false, |provider| provider.show_completions_in_menu())
5213 }
5214
5215 fn render_code_actions_indicator(
5216 &self,
5217 _style: &EditorStyle,
5218 row: DisplayRow,
5219 is_active: bool,
5220 cx: &mut Context<Self>,
5221 ) -> Option<IconButton> {
5222 if self.available_code_actions.is_some() {
5223 Some(
5224 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5225 .shape(ui::IconButtonShape::Square)
5226 .icon_size(IconSize::XSmall)
5227 .icon_color(Color::Muted)
5228 .toggle_state(is_active)
5229 .tooltip({
5230 let focus_handle = self.focus_handle.clone();
5231 move |window, cx| {
5232 Tooltip::for_action_in(
5233 "Toggle Code Actions",
5234 &ToggleCodeActions {
5235 deployed_from_indicator: None,
5236 },
5237 &focus_handle,
5238 window,
5239 cx,
5240 )
5241 }
5242 })
5243 .on_click(cx.listener(move |editor, _e, window, cx| {
5244 window.focus(&editor.focus_handle(cx));
5245 editor.toggle_code_actions(
5246 &ToggleCodeActions {
5247 deployed_from_indicator: Some(row),
5248 },
5249 window,
5250 cx,
5251 );
5252 })),
5253 )
5254 } else {
5255 None
5256 }
5257 }
5258
5259 fn clear_tasks(&mut self) {
5260 self.tasks.clear()
5261 }
5262
5263 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5264 if self.tasks.insert(key, value).is_some() {
5265 // This case should hopefully be rare, but just in case...
5266 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5267 }
5268 }
5269
5270 fn build_tasks_context(
5271 project: &Entity<Project>,
5272 buffer: &Entity<Buffer>,
5273 buffer_row: u32,
5274 tasks: &Arc<RunnableTasks>,
5275 cx: &mut Context<Self>,
5276 ) -> Task<Option<task::TaskContext>> {
5277 let position = Point::new(buffer_row, tasks.column);
5278 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5279 let location = Location {
5280 buffer: buffer.clone(),
5281 range: range_start..range_start,
5282 };
5283 // Fill in the environmental variables from the tree-sitter captures
5284 let mut captured_task_variables = TaskVariables::default();
5285 for (capture_name, value) in tasks.extra_variables.clone() {
5286 captured_task_variables.insert(
5287 task::VariableName::Custom(capture_name.into()),
5288 value.clone(),
5289 );
5290 }
5291 project.update(cx, |project, cx| {
5292 project.task_store().update(cx, |task_store, cx| {
5293 task_store.task_context_for_location(captured_task_variables, location, cx)
5294 })
5295 })
5296 }
5297
5298 pub fn spawn_nearest_task(
5299 &mut self,
5300 action: &SpawnNearestTask,
5301 window: &mut Window,
5302 cx: &mut Context<Self>,
5303 ) {
5304 let Some((workspace, _)) = self.workspace.clone() else {
5305 return;
5306 };
5307 let Some(project) = self.project.clone() else {
5308 return;
5309 };
5310
5311 // Try to find a closest, enclosing node using tree-sitter that has a
5312 // task
5313 let Some((buffer, buffer_row, tasks)) = self
5314 .find_enclosing_node_task(cx)
5315 // Or find the task that's closest in row-distance.
5316 .or_else(|| self.find_closest_task(cx))
5317 else {
5318 return;
5319 };
5320
5321 let reveal_strategy = action.reveal;
5322 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5323 cx.spawn_in(window, |_, mut cx| async move {
5324 let context = task_context.await?;
5325 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5326
5327 let resolved = resolved_task.resolved.as_mut()?;
5328 resolved.reveal = reveal_strategy;
5329
5330 workspace
5331 .update(&mut cx, |workspace, cx| {
5332 workspace::tasks::schedule_resolved_task(
5333 workspace,
5334 task_source_kind,
5335 resolved_task,
5336 false,
5337 cx,
5338 );
5339 })
5340 .ok()
5341 })
5342 .detach();
5343 }
5344
5345 fn find_closest_task(
5346 &mut self,
5347 cx: &mut Context<Self>,
5348 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5349 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5350
5351 let ((buffer_id, row), tasks) = self
5352 .tasks
5353 .iter()
5354 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5355
5356 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5357 let tasks = Arc::new(tasks.to_owned());
5358 Some((buffer, *row, tasks))
5359 }
5360
5361 fn find_enclosing_node_task(
5362 &mut self,
5363 cx: &mut Context<Self>,
5364 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5365 let snapshot = self.buffer.read(cx).snapshot(cx);
5366 let offset = self.selections.newest::<usize>(cx).head();
5367 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5368 let buffer_id = excerpt.buffer().remote_id();
5369
5370 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5371 let mut cursor = layer.node().walk();
5372
5373 while cursor.goto_first_child_for_byte(offset).is_some() {
5374 if cursor.node().end_byte() == offset {
5375 cursor.goto_next_sibling();
5376 }
5377 }
5378
5379 // Ascend to the smallest ancestor that contains the range and has a task.
5380 loop {
5381 let node = cursor.node();
5382 let node_range = node.byte_range();
5383 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5384
5385 // Check if this node contains our offset
5386 if node_range.start <= offset && node_range.end >= offset {
5387 // If it contains offset, check for task
5388 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5389 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5390 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5391 }
5392 }
5393
5394 if !cursor.goto_parent() {
5395 break;
5396 }
5397 }
5398 None
5399 }
5400
5401 fn render_run_indicator(
5402 &self,
5403 _style: &EditorStyle,
5404 is_active: bool,
5405 row: DisplayRow,
5406 cx: &mut Context<Self>,
5407 ) -> IconButton {
5408 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5409 .shape(ui::IconButtonShape::Square)
5410 .icon_size(IconSize::XSmall)
5411 .icon_color(Color::Muted)
5412 .toggle_state(is_active)
5413 .on_click(cx.listener(move |editor, _e, window, cx| {
5414 window.focus(&editor.focus_handle(cx));
5415 editor.toggle_code_actions(
5416 &ToggleCodeActions {
5417 deployed_from_indicator: Some(row),
5418 },
5419 window,
5420 cx,
5421 );
5422 }))
5423 }
5424
5425 #[cfg(any(test, feature = "test-support"))]
5426 pub fn context_menu_visible(&self) -> bool {
5427 self.context_menu
5428 .borrow()
5429 .as_ref()
5430 .map_or(false, |menu| menu.visible())
5431 }
5432
5433 #[cfg(feature = "test-support")]
5434 pub fn context_menu_contains_inline_completion(&self) -> bool {
5435 self.context_menu
5436 .borrow()
5437 .as_ref()
5438 .map_or(false, |menu| match menu {
5439 CodeContextMenu::Completions(menu) => {
5440 menu.entries.borrow().first().map_or(false, |entry| {
5441 matches!(entry, CompletionEntry::InlineCompletionHint(_))
5442 })
5443 }
5444 CodeContextMenu::CodeActions(_) => false,
5445 })
5446 }
5447
5448 fn context_menu_origin(&self, cursor_position: DisplayPoint) -> Option<ContextMenuOrigin> {
5449 self.context_menu
5450 .borrow()
5451 .as_ref()
5452 .map(|menu| menu.origin(cursor_position))
5453 }
5454
5455 fn render_context_menu(
5456 &self,
5457 style: &EditorStyle,
5458 max_height_in_lines: u32,
5459 y_flipped: bool,
5460 window: &mut Window,
5461 cx: &mut Context<Editor>,
5462 ) -> Option<AnyElement> {
5463 self.context_menu.borrow().as_ref().and_then(|menu| {
5464 if menu.visible() {
5465 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
5466 } else {
5467 None
5468 }
5469 })
5470 }
5471
5472 fn render_context_menu_aside(
5473 &self,
5474 style: &EditorStyle,
5475 max_size: Size<Pixels>,
5476 cx: &mut Context<Editor>,
5477 ) -> Option<AnyElement> {
5478 self.context_menu.borrow().as_ref().and_then(|menu| {
5479 if menu.visible() {
5480 menu.render_aside(
5481 style,
5482 max_size,
5483 self.workspace.as_ref().map(|(w, _)| w.clone()),
5484 cx,
5485 )
5486 } else {
5487 None
5488 }
5489 })
5490 }
5491
5492 fn hide_context_menu(
5493 &mut self,
5494 window: &mut Window,
5495 cx: &mut Context<Self>,
5496 ) -> Option<CodeContextMenu> {
5497 cx.notify();
5498 self.completion_tasks.clear();
5499 let context_menu = self.context_menu.borrow_mut().take();
5500 if context_menu.is_some() && !self.show_inline_completions_in_menu(cx) {
5501 self.update_visible_inline_completion(window, cx);
5502 }
5503 context_menu
5504 }
5505
5506 fn show_snippet_choices(
5507 &mut self,
5508 choices: &Vec<String>,
5509 selection: Range<Anchor>,
5510 cx: &mut Context<Self>,
5511 ) {
5512 if selection.start.buffer_id.is_none() {
5513 return;
5514 }
5515 let buffer_id = selection.start.buffer_id.unwrap();
5516 let buffer = self.buffer().read(cx).buffer(buffer_id);
5517 let id = post_inc(&mut self.next_completion_id);
5518
5519 if let Some(buffer) = buffer {
5520 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5521 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5522 ));
5523 }
5524 }
5525
5526 pub fn insert_snippet(
5527 &mut self,
5528 insertion_ranges: &[Range<usize>],
5529 snippet: Snippet,
5530 window: &mut Window,
5531 cx: &mut Context<Self>,
5532 ) -> Result<()> {
5533 struct Tabstop<T> {
5534 is_end_tabstop: bool,
5535 ranges: Vec<Range<T>>,
5536 choices: Option<Vec<String>>,
5537 }
5538
5539 let tabstops = self.buffer.update(cx, |buffer, cx| {
5540 let snippet_text: Arc<str> = snippet.text.clone().into();
5541 buffer.edit(
5542 insertion_ranges
5543 .iter()
5544 .cloned()
5545 .map(|range| (range, snippet_text.clone())),
5546 Some(AutoindentMode::EachLine),
5547 cx,
5548 );
5549
5550 let snapshot = &*buffer.read(cx);
5551 let snippet = &snippet;
5552 snippet
5553 .tabstops
5554 .iter()
5555 .map(|tabstop| {
5556 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
5557 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5558 });
5559 let mut tabstop_ranges = tabstop
5560 .ranges
5561 .iter()
5562 .flat_map(|tabstop_range| {
5563 let mut delta = 0_isize;
5564 insertion_ranges.iter().map(move |insertion_range| {
5565 let insertion_start = insertion_range.start as isize + delta;
5566 delta +=
5567 snippet.text.len() as isize - insertion_range.len() as isize;
5568
5569 let start = ((insertion_start + tabstop_range.start) as usize)
5570 .min(snapshot.len());
5571 let end = ((insertion_start + tabstop_range.end) as usize)
5572 .min(snapshot.len());
5573 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5574 })
5575 })
5576 .collect::<Vec<_>>();
5577 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5578
5579 Tabstop {
5580 is_end_tabstop,
5581 ranges: tabstop_ranges,
5582 choices: tabstop.choices.clone(),
5583 }
5584 })
5585 .collect::<Vec<_>>()
5586 });
5587 if let Some(tabstop) = tabstops.first() {
5588 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5589 s.select_ranges(tabstop.ranges.iter().cloned());
5590 });
5591
5592 if let Some(choices) = &tabstop.choices {
5593 if let Some(selection) = tabstop.ranges.first() {
5594 self.show_snippet_choices(choices, selection.clone(), cx)
5595 }
5596 }
5597
5598 // If we're already at the last tabstop and it's at the end of the snippet,
5599 // we're done, we don't need to keep the state around.
5600 if !tabstop.is_end_tabstop {
5601 let choices = tabstops
5602 .iter()
5603 .map(|tabstop| tabstop.choices.clone())
5604 .collect();
5605
5606 let ranges = tabstops
5607 .into_iter()
5608 .map(|tabstop| tabstop.ranges)
5609 .collect::<Vec<_>>();
5610
5611 self.snippet_stack.push(SnippetState {
5612 active_index: 0,
5613 ranges,
5614 choices,
5615 });
5616 }
5617
5618 // Check whether the just-entered snippet ends with an auto-closable bracket.
5619 if self.autoclose_regions.is_empty() {
5620 let snapshot = self.buffer.read(cx).snapshot(cx);
5621 for selection in &mut self.selections.all::<Point>(cx) {
5622 let selection_head = selection.head();
5623 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5624 continue;
5625 };
5626
5627 let mut bracket_pair = None;
5628 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5629 let prev_chars = snapshot
5630 .reversed_chars_at(selection_head)
5631 .collect::<String>();
5632 for (pair, enabled) in scope.brackets() {
5633 if enabled
5634 && pair.close
5635 && prev_chars.starts_with(pair.start.as_str())
5636 && next_chars.starts_with(pair.end.as_str())
5637 {
5638 bracket_pair = Some(pair.clone());
5639 break;
5640 }
5641 }
5642 if let Some(pair) = bracket_pair {
5643 let start = snapshot.anchor_after(selection_head);
5644 let end = snapshot.anchor_after(selection_head);
5645 self.autoclose_regions.push(AutocloseRegion {
5646 selection_id: selection.id,
5647 range: start..end,
5648 pair,
5649 });
5650 }
5651 }
5652 }
5653 }
5654 Ok(())
5655 }
5656
5657 pub fn move_to_next_snippet_tabstop(
5658 &mut self,
5659 window: &mut Window,
5660 cx: &mut Context<Self>,
5661 ) -> bool {
5662 self.move_to_snippet_tabstop(Bias::Right, window, cx)
5663 }
5664
5665 pub fn move_to_prev_snippet_tabstop(
5666 &mut self,
5667 window: &mut Window,
5668 cx: &mut Context<Self>,
5669 ) -> bool {
5670 self.move_to_snippet_tabstop(Bias::Left, window, cx)
5671 }
5672
5673 pub fn move_to_snippet_tabstop(
5674 &mut self,
5675 bias: Bias,
5676 window: &mut Window,
5677 cx: &mut Context<Self>,
5678 ) -> bool {
5679 if let Some(mut snippet) = self.snippet_stack.pop() {
5680 match bias {
5681 Bias::Left => {
5682 if snippet.active_index > 0 {
5683 snippet.active_index -= 1;
5684 } else {
5685 self.snippet_stack.push(snippet);
5686 return false;
5687 }
5688 }
5689 Bias::Right => {
5690 if snippet.active_index + 1 < snippet.ranges.len() {
5691 snippet.active_index += 1;
5692 } else {
5693 self.snippet_stack.push(snippet);
5694 return false;
5695 }
5696 }
5697 }
5698 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5699 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5700 s.select_anchor_ranges(current_ranges.iter().cloned())
5701 });
5702
5703 if let Some(choices) = &snippet.choices[snippet.active_index] {
5704 if let Some(selection) = current_ranges.first() {
5705 self.show_snippet_choices(&choices, selection.clone(), cx);
5706 }
5707 }
5708
5709 // If snippet state is not at the last tabstop, push it back on the stack
5710 if snippet.active_index + 1 < snippet.ranges.len() {
5711 self.snippet_stack.push(snippet);
5712 }
5713 return true;
5714 }
5715 }
5716
5717 false
5718 }
5719
5720 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5721 self.transact(window, cx, |this, window, cx| {
5722 this.select_all(&SelectAll, window, cx);
5723 this.insert("", window, cx);
5724 });
5725 }
5726
5727 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
5728 self.transact(window, cx, |this, window, cx| {
5729 this.select_autoclose_pair(window, cx);
5730 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5731 if !this.linked_edit_ranges.is_empty() {
5732 let selections = this.selections.all::<MultiBufferPoint>(cx);
5733 let snapshot = this.buffer.read(cx).snapshot(cx);
5734
5735 for selection in selections.iter() {
5736 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5737 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5738 if selection_start.buffer_id != selection_end.buffer_id {
5739 continue;
5740 }
5741 if let Some(ranges) =
5742 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5743 {
5744 for (buffer, entries) in ranges {
5745 linked_ranges.entry(buffer).or_default().extend(entries);
5746 }
5747 }
5748 }
5749 }
5750
5751 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5752 if !this.selections.line_mode {
5753 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5754 for selection in &mut selections {
5755 if selection.is_empty() {
5756 let old_head = selection.head();
5757 let mut new_head =
5758 movement::left(&display_map, old_head.to_display_point(&display_map))
5759 .to_point(&display_map);
5760 if let Some((buffer, line_buffer_range)) = display_map
5761 .buffer_snapshot
5762 .buffer_line_for_row(MultiBufferRow(old_head.row))
5763 {
5764 let indent_size =
5765 buffer.indent_size_for_line(line_buffer_range.start.row);
5766 let indent_len = match indent_size.kind {
5767 IndentKind::Space => {
5768 buffer.settings_at(line_buffer_range.start, cx).tab_size
5769 }
5770 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5771 };
5772 if old_head.column <= indent_size.len && old_head.column > 0 {
5773 let indent_len = indent_len.get();
5774 new_head = cmp::min(
5775 new_head,
5776 MultiBufferPoint::new(
5777 old_head.row,
5778 ((old_head.column - 1) / indent_len) * indent_len,
5779 ),
5780 );
5781 }
5782 }
5783
5784 selection.set_head(new_head, SelectionGoal::None);
5785 }
5786 }
5787 }
5788
5789 this.signature_help_state.set_backspace_pressed(true);
5790 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5791 s.select(selections)
5792 });
5793 this.insert("", window, cx);
5794 let empty_str: Arc<str> = Arc::from("");
5795 for (buffer, edits) in linked_ranges {
5796 let snapshot = buffer.read(cx).snapshot();
5797 use text::ToPoint as TP;
5798
5799 let edits = edits
5800 .into_iter()
5801 .map(|range| {
5802 let end_point = TP::to_point(&range.end, &snapshot);
5803 let mut start_point = TP::to_point(&range.start, &snapshot);
5804
5805 if end_point == start_point {
5806 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5807 .saturating_sub(1);
5808 start_point =
5809 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
5810 };
5811
5812 (start_point..end_point, empty_str.clone())
5813 })
5814 .sorted_by_key(|(range, _)| range.start)
5815 .collect::<Vec<_>>();
5816 buffer.update(cx, |this, cx| {
5817 this.edit(edits, None, cx);
5818 })
5819 }
5820 this.refresh_inline_completion(true, false, window, cx);
5821 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
5822 });
5823 }
5824
5825 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
5826 self.transact(window, cx, |this, window, cx| {
5827 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5828 let line_mode = s.line_mode;
5829 s.move_with(|map, selection| {
5830 if selection.is_empty() && !line_mode {
5831 let cursor = movement::right(map, selection.head());
5832 selection.end = cursor;
5833 selection.reversed = true;
5834 selection.goal = SelectionGoal::None;
5835 }
5836 })
5837 });
5838 this.insert("", window, cx);
5839 this.refresh_inline_completion(true, false, window, cx);
5840 });
5841 }
5842
5843 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
5844 if self.move_to_prev_snippet_tabstop(window, cx) {
5845 return;
5846 }
5847
5848 self.outdent(&Outdent, window, cx);
5849 }
5850
5851 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
5852 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
5853 return;
5854 }
5855
5856 let mut selections = self.selections.all_adjusted(cx);
5857 let buffer = self.buffer.read(cx);
5858 let snapshot = buffer.snapshot(cx);
5859 let rows_iter = selections.iter().map(|s| s.head().row);
5860 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5861
5862 let mut edits = Vec::new();
5863 let mut prev_edited_row = 0;
5864 let mut row_delta = 0;
5865 for selection in &mut selections {
5866 if selection.start.row != prev_edited_row {
5867 row_delta = 0;
5868 }
5869 prev_edited_row = selection.end.row;
5870
5871 // If the selection is non-empty, then increase the indentation of the selected lines.
5872 if !selection.is_empty() {
5873 row_delta =
5874 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5875 continue;
5876 }
5877
5878 // If the selection is empty and the cursor is in the leading whitespace before the
5879 // suggested indentation, then auto-indent the line.
5880 let cursor = selection.head();
5881 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5882 if let Some(suggested_indent) =
5883 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5884 {
5885 if cursor.column < suggested_indent.len
5886 && cursor.column <= current_indent.len
5887 && current_indent.len <= suggested_indent.len
5888 {
5889 selection.start = Point::new(cursor.row, suggested_indent.len);
5890 selection.end = selection.start;
5891 if row_delta == 0 {
5892 edits.extend(Buffer::edit_for_indent_size_adjustment(
5893 cursor.row,
5894 current_indent,
5895 suggested_indent,
5896 ));
5897 row_delta = suggested_indent.len - current_indent.len;
5898 }
5899 continue;
5900 }
5901 }
5902
5903 // Otherwise, insert a hard or soft tab.
5904 let settings = buffer.settings_at(cursor, cx);
5905 let tab_size = if settings.hard_tabs {
5906 IndentSize::tab()
5907 } else {
5908 let tab_size = settings.tab_size.get();
5909 let char_column = snapshot
5910 .text_for_range(Point::new(cursor.row, 0)..cursor)
5911 .flat_map(str::chars)
5912 .count()
5913 + row_delta as usize;
5914 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5915 IndentSize::spaces(chars_to_next_tab_stop)
5916 };
5917 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5918 selection.end = selection.start;
5919 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5920 row_delta += tab_size.len;
5921 }
5922
5923 self.transact(window, cx, |this, window, cx| {
5924 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5925 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5926 s.select(selections)
5927 });
5928 this.refresh_inline_completion(true, false, window, cx);
5929 });
5930 }
5931
5932 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
5933 if self.read_only(cx) {
5934 return;
5935 }
5936 let mut selections = self.selections.all::<Point>(cx);
5937 let mut prev_edited_row = 0;
5938 let mut row_delta = 0;
5939 let mut edits = Vec::new();
5940 let buffer = self.buffer.read(cx);
5941 let snapshot = buffer.snapshot(cx);
5942 for selection in &mut selections {
5943 if selection.start.row != prev_edited_row {
5944 row_delta = 0;
5945 }
5946 prev_edited_row = selection.end.row;
5947
5948 row_delta =
5949 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5950 }
5951
5952 self.transact(window, cx, |this, window, cx| {
5953 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5954 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5955 s.select(selections)
5956 });
5957 });
5958 }
5959
5960 fn indent_selection(
5961 buffer: &MultiBuffer,
5962 snapshot: &MultiBufferSnapshot,
5963 selection: &mut Selection<Point>,
5964 edits: &mut Vec<(Range<Point>, String)>,
5965 delta_for_start_row: u32,
5966 cx: &App,
5967 ) -> u32 {
5968 let settings = buffer.settings_at(selection.start, cx);
5969 let tab_size = settings.tab_size.get();
5970 let indent_kind = if settings.hard_tabs {
5971 IndentKind::Tab
5972 } else {
5973 IndentKind::Space
5974 };
5975 let mut start_row = selection.start.row;
5976 let mut end_row = selection.end.row + 1;
5977
5978 // If a selection ends at the beginning of a line, don't indent
5979 // that last line.
5980 if selection.end.column == 0 && selection.end.row > selection.start.row {
5981 end_row -= 1;
5982 }
5983
5984 // Avoid re-indenting a row that has already been indented by a
5985 // previous selection, but still update this selection's column
5986 // to reflect that indentation.
5987 if delta_for_start_row > 0 {
5988 start_row += 1;
5989 selection.start.column += delta_for_start_row;
5990 if selection.end.row == selection.start.row {
5991 selection.end.column += delta_for_start_row;
5992 }
5993 }
5994
5995 let mut delta_for_end_row = 0;
5996 let has_multiple_rows = start_row + 1 != end_row;
5997 for row in start_row..end_row {
5998 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
5999 let indent_delta = match (current_indent.kind, indent_kind) {
6000 (IndentKind::Space, IndentKind::Space) => {
6001 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6002 IndentSize::spaces(columns_to_next_tab_stop)
6003 }
6004 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6005 (_, IndentKind::Tab) => IndentSize::tab(),
6006 };
6007
6008 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6009 0
6010 } else {
6011 selection.start.column
6012 };
6013 let row_start = Point::new(row, start);
6014 edits.push((
6015 row_start..row_start,
6016 indent_delta.chars().collect::<String>(),
6017 ));
6018
6019 // Update this selection's endpoints to reflect the indentation.
6020 if row == selection.start.row {
6021 selection.start.column += indent_delta.len;
6022 }
6023 if row == selection.end.row {
6024 selection.end.column += indent_delta.len;
6025 delta_for_end_row = indent_delta.len;
6026 }
6027 }
6028
6029 if selection.start.row == selection.end.row {
6030 delta_for_start_row + delta_for_end_row
6031 } else {
6032 delta_for_end_row
6033 }
6034 }
6035
6036 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6037 if self.read_only(cx) {
6038 return;
6039 }
6040 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6041 let selections = self.selections.all::<Point>(cx);
6042 let mut deletion_ranges = Vec::new();
6043 let mut last_outdent = None;
6044 {
6045 let buffer = self.buffer.read(cx);
6046 let snapshot = buffer.snapshot(cx);
6047 for selection in &selections {
6048 let settings = buffer.settings_at(selection.start, cx);
6049 let tab_size = settings.tab_size.get();
6050 let mut rows = selection.spanned_rows(false, &display_map);
6051
6052 // Avoid re-outdenting a row that has already been outdented by a
6053 // previous selection.
6054 if let Some(last_row) = last_outdent {
6055 if last_row == rows.start {
6056 rows.start = rows.start.next_row();
6057 }
6058 }
6059 let has_multiple_rows = rows.len() > 1;
6060 for row in rows.iter_rows() {
6061 let indent_size = snapshot.indent_size_for_line(row);
6062 if indent_size.len > 0 {
6063 let deletion_len = match indent_size.kind {
6064 IndentKind::Space => {
6065 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6066 if columns_to_prev_tab_stop == 0 {
6067 tab_size
6068 } else {
6069 columns_to_prev_tab_stop
6070 }
6071 }
6072 IndentKind::Tab => 1,
6073 };
6074 let start = if has_multiple_rows
6075 || deletion_len > selection.start.column
6076 || indent_size.len < selection.start.column
6077 {
6078 0
6079 } else {
6080 selection.start.column - deletion_len
6081 };
6082 deletion_ranges.push(
6083 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6084 );
6085 last_outdent = Some(row);
6086 }
6087 }
6088 }
6089 }
6090
6091 self.transact(window, cx, |this, window, cx| {
6092 this.buffer.update(cx, |buffer, cx| {
6093 let empty_str: Arc<str> = Arc::default();
6094 buffer.edit(
6095 deletion_ranges
6096 .into_iter()
6097 .map(|range| (range, empty_str.clone())),
6098 None,
6099 cx,
6100 );
6101 });
6102 let selections = this.selections.all::<usize>(cx);
6103 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6104 s.select(selections)
6105 });
6106 });
6107 }
6108
6109 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6110 if self.read_only(cx) {
6111 return;
6112 }
6113 let selections = self
6114 .selections
6115 .all::<usize>(cx)
6116 .into_iter()
6117 .map(|s| s.range());
6118
6119 self.transact(window, cx, |this, window, cx| {
6120 this.buffer.update(cx, |buffer, cx| {
6121 buffer.autoindent_ranges(selections, cx);
6122 });
6123 let selections = this.selections.all::<usize>(cx);
6124 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6125 s.select(selections)
6126 });
6127 });
6128 }
6129
6130 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6131 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6132 let selections = self.selections.all::<Point>(cx);
6133
6134 let mut new_cursors = Vec::new();
6135 let mut edit_ranges = Vec::new();
6136 let mut selections = selections.iter().peekable();
6137 while let Some(selection) = selections.next() {
6138 let mut rows = selection.spanned_rows(false, &display_map);
6139 let goal_display_column = selection.head().to_display_point(&display_map).column();
6140
6141 // Accumulate contiguous regions of rows that we want to delete.
6142 while let Some(next_selection) = selections.peek() {
6143 let next_rows = next_selection.spanned_rows(false, &display_map);
6144 if next_rows.start <= rows.end {
6145 rows.end = next_rows.end;
6146 selections.next().unwrap();
6147 } else {
6148 break;
6149 }
6150 }
6151
6152 let buffer = &display_map.buffer_snapshot;
6153 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6154 let edit_end;
6155 let cursor_buffer_row;
6156 if buffer.max_point().row >= rows.end.0 {
6157 // If there's a line after the range, delete the \n from the end of the row range
6158 // and position the cursor on the next line.
6159 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6160 cursor_buffer_row = rows.end;
6161 } else {
6162 // If there isn't a line after the range, delete the \n from the line before the
6163 // start of the row range and position the cursor there.
6164 edit_start = edit_start.saturating_sub(1);
6165 edit_end = buffer.len();
6166 cursor_buffer_row = rows.start.previous_row();
6167 }
6168
6169 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6170 *cursor.column_mut() =
6171 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6172
6173 new_cursors.push((
6174 selection.id,
6175 buffer.anchor_after(cursor.to_point(&display_map)),
6176 ));
6177 edit_ranges.push(edit_start..edit_end);
6178 }
6179
6180 self.transact(window, cx, |this, window, cx| {
6181 let buffer = this.buffer.update(cx, |buffer, cx| {
6182 let empty_str: Arc<str> = Arc::default();
6183 buffer.edit(
6184 edit_ranges
6185 .into_iter()
6186 .map(|range| (range, empty_str.clone())),
6187 None,
6188 cx,
6189 );
6190 buffer.snapshot(cx)
6191 });
6192 let new_selections = new_cursors
6193 .into_iter()
6194 .map(|(id, cursor)| {
6195 let cursor = cursor.to_point(&buffer);
6196 Selection {
6197 id,
6198 start: cursor,
6199 end: cursor,
6200 reversed: false,
6201 goal: SelectionGoal::None,
6202 }
6203 })
6204 .collect();
6205
6206 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6207 s.select(new_selections);
6208 });
6209 });
6210 }
6211
6212 pub fn join_lines_impl(
6213 &mut self,
6214 insert_whitespace: bool,
6215 window: &mut Window,
6216 cx: &mut Context<Self>,
6217 ) {
6218 if self.read_only(cx) {
6219 return;
6220 }
6221 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6222 for selection in self.selections.all::<Point>(cx) {
6223 let start = MultiBufferRow(selection.start.row);
6224 // Treat single line selections as if they include the next line. Otherwise this action
6225 // would do nothing for single line selections individual cursors.
6226 let end = if selection.start.row == selection.end.row {
6227 MultiBufferRow(selection.start.row + 1)
6228 } else {
6229 MultiBufferRow(selection.end.row)
6230 };
6231
6232 if let Some(last_row_range) = row_ranges.last_mut() {
6233 if start <= last_row_range.end {
6234 last_row_range.end = end;
6235 continue;
6236 }
6237 }
6238 row_ranges.push(start..end);
6239 }
6240
6241 let snapshot = self.buffer.read(cx).snapshot(cx);
6242 let mut cursor_positions = Vec::new();
6243 for row_range in &row_ranges {
6244 let anchor = snapshot.anchor_before(Point::new(
6245 row_range.end.previous_row().0,
6246 snapshot.line_len(row_range.end.previous_row()),
6247 ));
6248 cursor_positions.push(anchor..anchor);
6249 }
6250
6251 self.transact(window, cx, |this, window, cx| {
6252 for row_range in row_ranges.into_iter().rev() {
6253 for row in row_range.iter_rows().rev() {
6254 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6255 let next_line_row = row.next_row();
6256 let indent = snapshot.indent_size_for_line(next_line_row);
6257 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6258
6259 let replace =
6260 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6261 " "
6262 } else {
6263 ""
6264 };
6265
6266 this.buffer.update(cx, |buffer, cx| {
6267 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6268 });
6269 }
6270 }
6271
6272 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6273 s.select_anchor_ranges(cursor_positions)
6274 });
6275 });
6276 }
6277
6278 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6279 self.join_lines_impl(true, window, cx);
6280 }
6281
6282 pub fn sort_lines_case_sensitive(
6283 &mut self,
6284 _: &SortLinesCaseSensitive,
6285 window: &mut Window,
6286 cx: &mut Context<Self>,
6287 ) {
6288 self.manipulate_lines(window, cx, |lines| lines.sort())
6289 }
6290
6291 pub fn sort_lines_case_insensitive(
6292 &mut self,
6293 _: &SortLinesCaseInsensitive,
6294 window: &mut Window,
6295 cx: &mut Context<Self>,
6296 ) {
6297 self.manipulate_lines(window, cx, |lines| {
6298 lines.sort_by_key(|line| line.to_lowercase())
6299 })
6300 }
6301
6302 pub fn unique_lines_case_insensitive(
6303 &mut self,
6304 _: &UniqueLinesCaseInsensitive,
6305 window: &mut Window,
6306 cx: &mut Context<Self>,
6307 ) {
6308 self.manipulate_lines(window, cx, |lines| {
6309 let mut seen = HashSet::default();
6310 lines.retain(|line| seen.insert(line.to_lowercase()));
6311 })
6312 }
6313
6314 pub fn unique_lines_case_sensitive(
6315 &mut self,
6316 _: &UniqueLinesCaseSensitive,
6317 window: &mut Window,
6318 cx: &mut Context<Self>,
6319 ) {
6320 self.manipulate_lines(window, cx, |lines| {
6321 let mut seen = HashSet::default();
6322 lines.retain(|line| seen.insert(*line));
6323 })
6324 }
6325
6326 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6327 let mut revert_changes = HashMap::default();
6328 let snapshot = self.snapshot(window, cx);
6329 for hunk in snapshot
6330 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6331 {
6332 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6333 }
6334 if !revert_changes.is_empty() {
6335 self.transact(window, cx, |editor, window, cx| {
6336 editor.revert(revert_changes, window, cx);
6337 });
6338 }
6339 }
6340
6341 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6342 let Some(project) = self.project.clone() else {
6343 return;
6344 };
6345 self.reload(project, window, cx)
6346 .detach_and_notify_err(window, cx);
6347 }
6348
6349 pub fn revert_selected_hunks(
6350 &mut self,
6351 _: &RevertSelectedHunks,
6352 window: &mut Window,
6353 cx: &mut Context<Self>,
6354 ) {
6355 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6356 self.revert_hunks_in_ranges(selections, window, cx);
6357 }
6358
6359 fn revert_hunks_in_ranges(
6360 &mut self,
6361 ranges: impl Iterator<Item = Range<Point>>,
6362 window: &mut Window,
6363 cx: &mut Context<Editor>,
6364 ) {
6365 let mut revert_changes = HashMap::default();
6366 let snapshot = self.snapshot(window, cx);
6367 for hunk in &snapshot.hunks_for_ranges(ranges) {
6368 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6369 }
6370 if !revert_changes.is_empty() {
6371 self.transact(window, cx, |editor, window, cx| {
6372 editor.revert(revert_changes, window, cx);
6373 });
6374 }
6375 }
6376
6377 pub fn open_active_item_in_terminal(
6378 &mut self,
6379 _: &OpenInTerminal,
6380 window: &mut Window,
6381 cx: &mut Context<Self>,
6382 ) {
6383 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6384 let project_path = buffer.read(cx).project_path(cx)?;
6385 let project = self.project.as_ref()?.read(cx);
6386 let entry = project.entry_for_path(&project_path, cx)?;
6387 let parent = match &entry.canonical_path {
6388 Some(canonical_path) => canonical_path.to_path_buf(),
6389 None => project.absolute_path(&project_path, cx)?,
6390 }
6391 .parent()?
6392 .to_path_buf();
6393 Some(parent)
6394 }) {
6395 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6396 }
6397 }
6398
6399 pub fn prepare_revert_change(
6400 &self,
6401 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6402 hunk: &MultiBufferDiffHunk,
6403 cx: &mut App,
6404 ) -> Option<()> {
6405 let buffer = self.buffer.read(cx);
6406 let change_set = buffer.change_set_for(hunk.buffer_id)?;
6407 let buffer = buffer.buffer(hunk.buffer_id)?;
6408 let buffer = buffer.read(cx);
6409 let original_text = change_set
6410 .read(cx)
6411 .base_text
6412 .as_ref()?
6413 .as_rope()
6414 .slice(hunk.diff_base_byte_range.clone());
6415 let buffer_snapshot = buffer.snapshot();
6416 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6417 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6418 probe
6419 .0
6420 .start
6421 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6422 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6423 }) {
6424 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6425 Some(())
6426 } else {
6427 None
6428 }
6429 }
6430
6431 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
6432 self.manipulate_lines(window, cx, |lines| lines.reverse())
6433 }
6434
6435 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
6436 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
6437 }
6438
6439 fn manipulate_lines<Fn>(
6440 &mut self,
6441 window: &mut Window,
6442 cx: &mut Context<Self>,
6443 mut callback: Fn,
6444 ) where
6445 Fn: FnMut(&mut Vec<&str>),
6446 {
6447 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6448 let buffer = self.buffer.read(cx).snapshot(cx);
6449
6450 let mut edits = Vec::new();
6451
6452 let selections = self.selections.all::<Point>(cx);
6453 let mut selections = selections.iter().peekable();
6454 let mut contiguous_row_selections = Vec::new();
6455 let mut new_selections = Vec::new();
6456 let mut added_lines = 0;
6457 let mut removed_lines = 0;
6458
6459 while let Some(selection) = selections.next() {
6460 let (start_row, end_row) = consume_contiguous_rows(
6461 &mut contiguous_row_selections,
6462 selection,
6463 &display_map,
6464 &mut selections,
6465 );
6466
6467 let start_point = Point::new(start_row.0, 0);
6468 let end_point = Point::new(
6469 end_row.previous_row().0,
6470 buffer.line_len(end_row.previous_row()),
6471 );
6472 let text = buffer
6473 .text_for_range(start_point..end_point)
6474 .collect::<String>();
6475
6476 let mut lines = text.split('\n').collect_vec();
6477
6478 let lines_before = lines.len();
6479 callback(&mut lines);
6480 let lines_after = lines.len();
6481
6482 edits.push((start_point..end_point, lines.join("\n")));
6483
6484 // Selections must change based on added and removed line count
6485 let start_row =
6486 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6487 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6488 new_selections.push(Selection {
6489 id: selection.id,
6490 start: start_row,
6491 end: end_row,
6492 goal: SelectionGoal::None,
6493 reversed: selection.reversed,
6494 });
6495
6496 if lines_after > lines_before {
6497 added_lines += lines_after - lines_before;
6498 } else if lines_before > lines_after {
6499 removed_lines += lines_before - lines_after;
6500 }
6501 }
6502
6503 self.transact(window, cx, |this, window, cx| {
6504 let buffer = this.buffer.update(cx, |buffer, cx| {
6505 buffer.edit(edits, None, cx);
6506 buffer.snapshot(cx)
6507 });
6508
6509 // Recalculate offsets on newly edited buffer
6510 let new_selections = new_selections
6511 .iter()
6512 .map(|s| {
6513 let start_point = Point::new(s.start.0, 0);
6514 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6515 Selection {
6516 id: s.id,
6517 start: buffer.point_to_offset(start_point),
6518 end: buffer.point_to_offset(end_point),
6519 goal: s.goal,
6520 reversed: s.reversed,
6521 }
6522 })
6523 .collect();
6524
6525 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6526 s.select(new_selections);
6527 });
6528
6529 this.request_autoscroll(Autoscroll::fit(), cx);
6530 });
6531 }
6532
6533 pub fn convert_to_upper_case(
6534 &mut self,
6535 _: &ConvertToUpperCase,
6536 window: &mut Window,
6537 cx: &mut Context<Self>,
6538 ) {
6539 self.manipulate_text(window, cx, |text| text.to_uppercase())
6540 }
6541
6542 pub fn convert_to_lower_case(
6543 &mut self,
6544 _: &ConvertToLowerCase,
6545 window: &mut Window,
6546 cx: &mut Context<Self>,
6547 ) {
6548 self.manipulate_text(window, cx, |text| text.to_lowercase())
6549 }
6550
6551 pub fn convert_to_title_case(
6552 &mut self,
6553 _: &ConvertToTitleCase,
6554 window: &mut Window,
6555 cx: &mut Context<Self>,
6556 ) {
6557 self.manipulate_text(window, cx, |text| {
6558 text.split('\n')
6559 .map(|line| line.to_case(Case::Title))
6560 .join("\n")
6561 })
6562 }
6563
6564 pub fn convert_to_snake_case(
6565 &mut self,
6566 _: &ConvertToSnakeCase,
6567 window: &mut Window,
6568 cx: &mut Context<Self>,
6569 ) {
6570 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
6571 }
6572
6573 pub fn convert_to_kebab_case(
6574 &mut self,
6575 _: &ConvertToKebabCase,
6576 window: &mut Window,
6577 cx: &mut Context<Self>,
6578 ) {
6579 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
6580 }
6581
6582 pub fn convert_to_upper_camel_case(
6583 &mut self,
6584 _: &ConvertToUpperCamelCase,
6585 window: &mut Window,
6586 cx: &mut Context<Self>,
6587 ) {
6588 self.manipulate_text(window, cx, |text| {
6589 text.split('\n')
6590 .map(|line| line.to_case(Case::UpperCamel))
6591 .join("\n")
6592 })
6593 }
6594
6595 pub fn convert_to_lower_camel_case(
6596 &mut self,
6597 _: &ConvertToLowerCamelCase,
6598 window: &mut Window,
6599 cx: &mut Context<Self>,
6600 ) {
6601 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
6602 }
6603
6604 pub fn convert_to_opposite_case(
6605 &mut self,
6606 _: &ConvertToOppositeCase,
6607 window: &mut Window,
6608 cx: &mut Context<Self>,
6609 ) {
6610 self.manipulate_text(window, cx, |text| {
6611 text.chars()
6612 .fold(String::with_capacity(text.len()), |mut t, c| {
6613 if c.is_uppercase() {
6614 t.extend(c.to_lowercase());
6615 } else {
6616 t.extend(c.to_uppercase());
6617 }
6618 t
6619 })
6620 })
6621 }
6622
6623 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
6624 where
6625 Fn: FnMut(&str) -> String,
6626 {
6627 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6628 let buffer = self.buffer.read(cx).snapshot(cx);
6629
6630 let mut new_selections = Vec::new();
6631 let mut edits = Vec::new();
6632 let mut selection_adjustment = 0i32;
6633
6634 for selection in self.selections.all::<usize>(cx) {
6635 let selection_is_empty = selection.is_empty();
6636
6637 let (start, end) = if selection_is_empty {
6638 let word_range = movement::surrounding_word(
6639 &display_map,
6640 selection.start.to_display_point(&display_map),
6641 );
6642 let start = word_range.start.to_offset(&display_map, Bias::Left);
6643 let end = word_range.end.to_offset(&display_map, Bias::Left);
6644 (start, end)
6645 } else {
6646 (selection.start, selection.end)
6647 };
6648
6649 let text = buffer.text_for_range(start..end).collect::<String>();
6650 let old_length = text.len() as i32;
6651 let text = callback(&text);
6652
6653 new_selections.push(Selection {
6654 start: (start as i32 - selection_adjustment) as usize,
6655 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6656 goal: SelectionGoal::None,
6657 ..selection
6658 });
6659
6660 selection_adjustment += old_length - text.len() as i32;
6661
6662 edits.push((start..end, text));
6663 }
6664
6665 self.transact(window, cx, |this, window, cx| {
6666 this.buffer.update(cx, |buffer, cx| {
6667 buffer.edit(edits, None, cx);
6668 });
6669
6670 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6671 s.select(new_selections);
6672 });
6673
6674 this.request_autoscroll(Autoscroll::fit(), cx);
6675 });
6676 }
6677
6678 pub fn duplicate(
6679 &mut self,
6680 upwards: bool,
6681 whole_lines: bool,
6682 window: &mut Window,
6683 cx: &mut Context<Self>,
6684 ) {
6685 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6686 let buffer = &display_map.buffer_snapshot;
6687 let selections = self.selections.all::<Point>(cx);
6688
6689 let mut edits = Vec::new();
6690 let mut selections_iter = selections.iter().peekable();
6691 while let Some(selection) = selections_iter.next() {
6692 let mut rows = selection.spanned_rows(false, &display_map);
6693 // duplicate line-wise
6694 if whole_lines || selection.start == selection.end {
6695 // Avoid duplicating the same lines twice.
6696 while let Some(next_selection) = selections_iter.peek() {
6697 let next_rows = next_selection.spanned_rows(false, &display_map);
6698 if next_rows.start < rows.end {
6699 rows.end = next_rows.end;
6700 selections_iter.next().unwrap();
6701 } else {
6702 break;
6703 }
6704 }
6705
6706 // Copy the text from the selected row region and splice it either at the start
6707 // or end of the region.
6708 let start = Point::new(rows.start.0, 0);
6709 let end = Point::new(
6710 rows.end.previous_row().0,
6711 buffer.line_len(rows.end.previous_row()),
6712 );
6713 let text = buffer
6714 .text_for_range(start..end)
6715 .chain(Some("\n"))
6716 .collect::<String>();
6717 let insert_location = if upwards {
6718 Point::new(rows.end.0, 0)
6719 } else {
6720 start
6721 };
6722 edits.push((insert_location..insert_location, text));
6723 } else {
6724 // duplicate character-wise
6725 let start = selection.start;
6726 let end = selection.end;
6727 let text = buffer.text_for_range(start..end).collect::<String>();
6728 edits.push((selection.end..selection.end, text));
6729 }
6730 }
6731
6732 self.transact(window, cx, |this, _, cx| {
6733 this.buffer.update(cx, |buffer, cx| {
6734 buffer.edit(edits, None, cx);
6735 });
6736
6737 this.request_autoscroll(Autoscroll::fit(), cx);
6738 });
6739 }
6740
6741 pub fn duplicate_line_up(
6742 &mut self,
6743 _: &DuplicateLineUp,
6744 window: &mut Window,
6745 cx: &mut Context<Self>,
6746 ) {
6747 self.duplicate(true, true, window, cx);
6748 }
6749
6750 pub fn duplicate_line_down(
6751 &mut self,
6752 _: &DuplicateLineDown,
6753 window: &mut Window,
6754 cx: &mut Context<Self>,
6755 ) {
6756 self.duplicate(false, true, window, cx);
6757 }
6758
6759 pub fn duplicate_selection(
6760 &mut self,
6761 _: &DuplicateSelection,
6762 window: &mut Window,
6763 cx: &mut Context<Self>,
6764 ) {
6765 self.duplicate(false, false, window, cx);
6766 }
6767
6768 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
6769 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6770 let buffer = self.buffer.read(cx).snapshot(cx);
6771
6772 let mut edits = Vec::new();
6773 let mut unfold_ranges = Vec::new();
6774 let mut refold_creases = Vec::new();
6775
6776 let selections = self.selections.all::<Point>(cx);
6777 let mut selections = selections.iter().peekable();
6778 let mut contiguous_row_selections = Vec::new();
6779 let mut new_selections = Vec::new();
6780
6781 while let Some(selection) = selections.next() {
6782 // Find all the selections that span a contiguous row range
6783 let (start_row, end_row) = consume_contiguous_rows(
6784 &mut contiguous_row_selections,
6785 selection,
6786 &display_map,
6787 &mut selections,
6788 );
6789
6790 // Move the text spanned by the row range to be before the line preceding the row range
6791 if start_row.0 > 0 {
6792 let range_to_move = Point::new(
6793 start_row.previous_row().0,
6794 buffer.line_len(start_row.previous_row()),
6795 )
6796 ..Point::new(
6797 end_row.previous_row().0,
6798 buffer.line_len(end_row.previous_row()),
6799 );
6800 let insertion_point = display_map
6801 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6802 .0;
6803
6804 // Don't move lines across excerpts
6805 if buffer
6806 .excerpt_containing(insertion_point..range_to_move.end)
6807 .is_some()
6808 {
6809 let text = buffer
6810 .text_for_range(range_to_move.clone())
6811 .flat_map(|s| s.chars())
6812 .skip(1)
6813 .chain(['\n'])
6814 .collect::<String>();
6815
6816 edits.push((
6817 buffer.anchor_after(range_to_move.start)
6818 ..buffer.anchor_before(range_to_move.end),
6819 String::new(),
6820 ));
6821 let insertion_anchor = buffer.anchor_after(insertion_point);
6822 edits.push((insertion_anchor..insertion_anchor, text));
6823
6824 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6825
6826 // Move selections up
6827 new_selections.extend(contiguous_row_selections.drain(..).map(
6828 |mut selection| {
6829 selection.start.row -= row_delta;
6830 selection.end.row -= row_delta;
6831 selection
6832 },
6833 ));
6834
6835 // Move folds up
6836 unfold_ranges.push(range_to_move.clone());
6837 for fold in display_map.folds_in_range(
6838 buffer.anchor_before(range_to_move.start)
6839 ..buffer.anchor_after(range_to_move.end),
6840 ) {
6841 let mut start = fold.range.start.to_point(&buffer);
6842 let mut end = fold.range.end.to_point(&buffer);
6843 start.row -= row_delta;
6844 end.row -= row_delta;
6845 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6846 }
6847 }
6848 }
6849
6850 // If we didn't move line(s), preserve the existing selections
6851 new_selections.append(&mut contiguous_row_selections);
6852 }
6853
6854 self.transact(window, cx, |this, window, cx| {
6855 this.unfold_ranges(&unfold_ranges, true, true, cx);
6856 this.buffer.update(cx, |buffer, cx| {
6857 for (range, text) in edits {
6858 buffer.edit([(range, text)], None, cx);
6859 }
6860 });
6861 this.fold_creases(refold_creases, true, window, cx);
6862 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6863 s.select(new_selections);
6864 })
6865 });
6866 }
6867
6868 pub fn move_line_down(
6869 &mut self,
6870 _: &MoveLineDown,
6871 window: &mut Window,
6872 cx: &mut Context<Self>,
6873 ) {
6874 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6875 let buffer = self.buffer.read(cx).snapshot(cx);
6876
6877 let mut edits = Vec::new();
6878 let mut unfold_ranges = Vec::new();
6879 let mut refold_creases = Vec::new();
6880
6881 let selections = self.selections.all::<Point>(cx);
6882 let mut selections = selections.iter().peekable();
6883 let mut contiguous_row_selections = Vec::new();
6884 let mut new_selections = Vec::new();
6885
6886 while let Some(selection) = selections.next() {
6887 // Find all the selections that span a contiguous row range
6888 let (start_row, end_row) = consume_contiguous_rows(
6889 &mut contiguous_row_selections,
6890 selection,
6891 &display_map,
6892 &mut selections,
6893 );
6894
6895 // Move the text spanned by the row range to be after the last line of the row range
6896 if end_row.0 <= buffer.max_point().row {
6897 let range_to_move =
6898 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6899 let insertion_point = display_map
6900 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6901 .0;
6902
6903 // Don't move lines across excerpt boundaries
6904 if buffer
6905 .excerpt_containing(range_to_move.start..insertion_point)
6906 .is_some()
6907 {
6908 let mut text = String::from("\n");
6909 text.extend(buffer.text_for_range(range_to_move.clone()));
6910 text.pop(); // Drop trailing newline
6911 edits.push((
6912 buffer.anchor_after(range_to_move.start)
6913 ..buffer.anchor_before(range_to_move.end),
6914 String::new(),
6915 ));
6916 let insertion_anchor = buffer.anchor_after(insertion_point);
6917 edits.push((insertion_anchor..insertion_anchor, text));
6918
6919 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6920
6921 // Move selections down
6922 new_selections.extend(contiguous_row_selections.drain(..).map(
6923 |mut selection| {
6924 selection.start.row += row_delta;
6925 selection.end.row += row_delta;
6926 selection
6927 },
6928 ));
6929
6930 // Move folds down
6931 unfold_ranges.push(range_to_move.clone());
6932 for fold in display_map.folds_in_range(
6933 buffer.anchor_before(range_to_move.start)
6934 ..buffer.anchor_after(range_to_move.end),
6935 ) {
6936 let mut start = fold.range.start.to_point(&buffer);
6937 let mut end = fold.range.end.to_point(&buffer);
6938 start.row += row_delta;
6939 end.row += row_delta;
6940 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6941 }
6942 }
6943 }
6944
6945 // If we didn't move line(s), preserve the existing selections
6946 new_selections.append(&mut contiguous_row_selections);
6947 }
6948
6949 self.transact(window, cx, |this, window, cx| {
6950 this.unfold_ranges(&unfold_ranges, true, true, cx);
6951 this.buffer.update(cx, |buffer, cx| {
6952 for (range, text) in edits {
6953 buffer.edit([(range, text)], None, cx);
6954 }
6955 });
6956 this.fold_creases(refold_creases, true, window, cx);
6957 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6958 s.select(new_selections)
6959 });
6960 });
6961 }
6962
6963 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
6964 let text_layout_details = &self.text_layout_details(window);
6965 self.transact(window, cx, |this, window, cx| {
6966 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6967 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6968 let line_mode = s.line_mode;
6969 s.move_with(|display_map, selection| {
6970 if !selection.is_empty() || line_mode {
6971 return;
6972 }
6973
6974 let mut head = selection.head();
6975 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6976 if head.column() == display_map.line_len(head.row()) {
6977 transpose_offset = display_map
6978 .buffer_snapshot
6979 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6980 }
6981
6982 if transpose_offset == 0 {
6983 return;
6984 }
6985
6986 *head.column_mut() += 1;
6987 head = display_map.clip_point(head, Bias::Right);
6988 let goal = SelectionGoal::HorizontalPosition(
6989 display_map
6990 .x_for_display_point(head, text_layout_details)
6991 .into(),
6992 );
6993 selection.collapse_to(head, goal);
6994
6995 let transpose_start = display_map
6996 .buffer_snapshot
6997 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6998 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
6999 let transpose_end = display_map
7000 .buffer_snapshot
7001 .clip_offset(transpose_offset + 1, Bias::Right);
7002 if let Some(ch) =
7003 display_map.buffer_snapshot.chars_at(transpose_start).next()
7004 {
7005 edits.push((transpose_start..transpose_offset, String::new()));
7006 edits.push((transpose_end..transpose_end, ch.to_string()));
7007 }
7008 }
7009 });
7010 edits
7011 });
7012 this.buffer
7013 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7014 let selections = this.selections.all::<usize>(cx);
7015 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7016 s.select(selections);
7017 });
7018 });
7019 }
7020
7021 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7022 self.rewrap_impl(IsVimMode::No, cx)
7023 }
7024
7025 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7026 let buffer = self.buffer.read(cx).snapshot(cx);
7027 let selections = self.selections.all::<Point>(cx);
7028 let mut selections = selections.iter().peekable();
7029
7030 let mut edits = Vec::new();
7031 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7032
7033 while let Some(selection) = selections.next() {
7034 let mut start_row = selection.start.row;
7035 let mut end_row = selection.end.row;
7036
7037 // Skip selections that overlap with a range that has already been rewrapped.
7038 let selection_range = start_row..end_row;
7039 if rewrapped_row_ranges
7040 .iter()
7041 .any(|range| range.overlaps(&selection_range))
7042 {
7043 continue;
7044 }
7045
7046 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7047
7048 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7049 match language_scope.language_name().as_ref() {
7050 "Markdown" | "Plain Text" => {
7051 should_rewrap = true;
7052 }
7053 _ => {}
7054 }
7055 }
7056
7057 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7058
7059 // Since not all lines in the selection may be at the same indent
7060 // level, choose the indent size that is the most common between all
7061 // of the lines.
7062 //
7063 // If there is a tie, we use the deepest indent.
7064 let (indent_size, indent_end) = {
7065 let mut indent_size_occurrences = HashMap::default();
7066 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7067
7068 for row in start_row..=end_row {
7069 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7070 rows_by_indent_size.entry(indent).or_default().push(row);
7071 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7072 }
7073
7074 let indent_size = indent_size_occurrences
7075 .into_iter()
7076 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7077 .map(|(indent, _)| indent)
7078 .unwrap_or_default();
7079 let row = rows_by_indent_size[&indent_size][0];
7080 let indent_end = Point::new(row, indent_size.len);
7081
7082 (indent_size, indent_end)
7083 };
7084
7085 let mut line_prefix = indent_size.chars().collect::<String>();
7086
7087 if let Some(comment_prefix) =
7088 buffer
7089 .language_scope_at(selection.head())
7090 .and_then(|language| {
7091 language
7092 .line_comment_prefixes()
7093 .iter()
7094 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7095 .cloned()
7096 })
7097 {
7098 line_prefix.push_str(&comment_prefix);
7099 should_rewrap = true;
7100 }
7101
7102 if !should_rewrap {
7103 continue;
7104 }
7105
7106 if selection.is_empty() {
7107 'expand_upwards: while start_row > 0 {
7108 let prev_row = start_row - 1;
7109 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7110 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7111 {
7112 start_row = prev_row;
7113 } else {
7114 break 'expand_upwards;
7115 }
7116 }
7117
7118 'expand_downwards: while end_row < buffer.max_point().row {
7119 let next_row = end_row + 1;
7120 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7121 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7122 {
7123 end_row = next_row;
7124 } else {
7125 break 'expand_downwards;
7126 }
7127 }
7128 }
7129
7130 let start = Point::new(start_row, 0);
7131 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7132 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7133 let Some(lines_without_prefixes) = selection_text
7134 .lines()
7135 .map(|line| {
7136 line.strip_prefix(&line_prefix)
7137 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7138 .ok_or_else(|| {
7139 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7140 })
7141 })
7142 .collect::<Result<Vec<_>, _>>()
7143 .log_err()
7144 else {
7145 continue;
7146 };
7147
7148 let wrap_column = buffer
7149 .settings_at(Point::new(start_row, 0), cx)
7150 .preferred_line_length as usize;
7151 let wrapped_text = wrap_with_prefix(
7152 line_prefix,
7153 lines_without_prefixes.join(" "),
7154 wrap_column,
7155 tab_size,
7156 );
7157
7158 // TODO: should always use char-based diff while still supporting cursor behavior that
7159 // matches vim.
7160 let diff = match is_vim_mode {
7161 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7162 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7163 };
7164 let mut offset = start.to_offset(&buffer);
7165 let mut moved_since_edit = true;
7166
7167 for change in diff.iter_all_changes() {
7168 let value = change.value();
7169 match change.tag() {
7170 ChangeTag::Equal => {
7171 offset += value.len();
7172 moved_since_edit = true;
7173 }
7174 ChangeTag::Delete => {
7175 let start = buffer.anchor_after(offset);
7176 let end = buffer.anchor_before(offset + value.len());
7177
7178 if moved_since_edit {
7179 edits.push((start..end, String::new()));
7180 } else {
7181 edits.last_mut().unwrap().0.end = end;
7182 }
7183
7184 offset += value.len();
7185 moved_since_edit = false;
7186 }
7187 ChangeTag::Insert => {
7188 if moved_since_edit {
7189 let anchor = buffer.anchor_after(offset);
7190 edits.push((anchor..anchor, value.to_string()));
7191 } else {
7192 edits.last_mut().unwrap().1.push_str(value);
7193 }
7194
7195 moved_since_edit = false;
7196 }
7197 }
7198 }
7199
7200 rewrapped_row_ranges.push(start_row..=end_row);
7201 }
7202
7203 self.buffer
7204 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7205 }
7206
7207 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7208 let mut text = String::new();
7209 let buffer = self.buffer.read(cx).snapshot(cx);
7210 let mut selections = self.selections.all::<Point>(cx);
7211 let mut clipboard_selections = Vec::with_capacity(selections.len());
7212 {
7213 let max_point = buffer.max_point();
7214 let mut is_first = true;
7215 for selection in &mut selections {
7216 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7217 if is_entire_line {
7218 selection.start = Point::new(selection.start.row, 0);
7219 if !selection.is_empty() && selection.end.column == 0 {
7220 selection.end = cmp::min(max_point, selection.end);
7221 } else {
7222 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7223 }
7224 selection.goal = SelectionGoal::None;
7225 }
7226 if is_first {
7227 is_first = false;
7228 } else {
7229 text += "\n";
7230 }
7231 let mut len = 0;
7232 for chunk in buffer.text_for_range(selection.start..selection.end) {
7233 text.push_str(chunk);
7234 len += chunk.len();
7235 }
7236 clipboard_selections.push(ClipboardSelection {
7237 len,
7238 is_entire_line,
7239 first_line_indent: buffer
7240 .indent_size_for_line(MultiBufferRow(selection.start.row))
7241 .len,
7242 });
7243 }
7244 }
7245
7246 self.transact(window, cx, |this, window, cx| {
7247 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7248 s.select(selections);
7249 });
7250 this.insert("", window, cx);
7251 });
7252 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7253 }
7254
7255 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7256 let item = self.cut_common(window, cx);
7257 cx.write_to_clipboard(item);
7258 }
7259
7260 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7261 self.change_selections(None, window, cx, |s| {
7262 s.move_with(|snapshot, sel| {
7263 if sel.is_empty() {
7264 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7265 }
7266 });
7267 });
7268 let item = self.cut_common(window, cx);
7269 cx.set_global(KillRing(item))
7270 }
7271
7272 pub fn kill_ring_yank(
7273 &mut self,
7274 _: &KillRingYank,
7275 window: &mut Window,
7276 cx: &mut Context<Self>,
7277 ) {
7278 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7279 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7280 (kill_ring.text().to_string(), kill_ring.metadata_json())
7281 } else {
7282 return;
7283 }
7284 } else {
7285 return;
7286 };
7287 self.do_paste(&text, metadata, false, window, cx);
7288 }
7289
7290 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7291 let selections = self.selections.all::<Point>(cx);
7292 let buffer = self.buffer.read(cx).read(cx);
7293 let mut text = String::new();
7294
7295 let mut clipboard_selections = Vec::with_capacity(selections.len());
7296 {
7297 let max_point = buffer.max_point();
7298 let mut is_first = true;
7299 for selection in selections.iter() {
7300 let mut start = selection.start;
7301 let mut end = selection.end;
7302 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7303 if is_entire_line {
7304 start = Point::new(start.row, 0);
7305 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7306 }
7307 if is_first {
7308 is_first = false;
7309 } else {
7310 text += "\n";
7311 }
7312 let mut len = 0;
7313 for chunk in buffer.text_for_range(start..end) {
7314 text.push_str(chunk);
7315 len += chunk.len();
7316 }
7317 clipboard_selections.push(ClipboardSelection {
7318 len,
7319 is_entire_line,
7320 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7321 });
7322 }
7323 }
7324
7325 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7326 text,
7327 clipboard_selections,
7328 ));
7329 }
7330
7331 pub fn do_paste(
7332 &mut self,
7333 text: &String,
7334 clipboard_selections: Option<Vec<ClipboardSelection>>,
7335 handle_entire_lines: bool,
7336 window: &mut Window,
7337 cx: &mut Context<Self>,
7338 ) {
7339 if self.read_only(cx) {
7340 return;
7341 }
7342
7343 let clipboard_text = Cow::Borrowed(text);
7344
7345 self.transact(window, cx, |this, window, cx| {
7346 if let Some(mut clipboard_selections) = clipboard_selections {
7347 let old_selections = this.selections.all::<usize>(cx);
7348 let all_selections_were_entire_line =
7349 clipboard_selections.iter().all(|s| s.is_entire_line);
7350 let first_selection_indent_column =
7351 clipboard_selections.first().map(|s| s.first_line_indent);
7352 if clipboard_selections.len() != old_selections.len() {
7353 clipboard_selections.drain(..);
7354 }
7355 let cursor_offset = this.selections.last::<usize>(cx).head();
7356 let mut auto_indent_on_paste = true;
7357
7358 this.buffer.update(cx, |buffer, cx| {
7359 let snapshot = buffer.read(cx);
7360 auto_indent_on_paste =
7361 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7362
7363 let mut start_offset = 0;
7364 let mut edits = Vec::new();
7365 let mut original_indent_columns = Vec::new();
7366 for (ix, selection) in old_selections.iter().enumerate() {
7367 let to_insert;
7368 let entire_line;
7369 let original_indent_column;
7370 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7371 let end_offset = start_offset + clipboard_selection.len;
7372 to_insert = &clipboard_text[start_offset..end_offset];
7373 entire_line = clipboard_selection.is_entire_line;
7374 start_offset = end_offset + 1;
7375 original_indent_column = Some(clipboard_selection.first_line_indent);
7376 } else {
7377 to_insert = clipboard_text.as_str();
7378 entire_line = all_selections_were_entire_line;
7379 original_indent_column = first_selection_indent_column
7380 }
7381
7382 // If the corresponding selection was empty when this slice of the
7383 // clipboard text was written, then the entire line containing the
7384 // selection was copied. If this selection is also currently empty,
7385 // then paste the line before the current line of the buffer.
7386 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7387 let column = selection.start.to_point(&snapshot).column as usize;
7388 let line_start = selection.start - column;
7389 line_start..line_start
7390 } else {
7391 selection.range()
7392 };
7393
7394 edits.push((range, to_insert));
7395 original_indent_columns.extend(original_indent_column);
7396 }
7397 drop(snapshot);
7398
7399 buffer.edit(
7400 edits,
7401 if auto_indent_on_paste {
7402 Some(AutoindentMode::Block {
7403 original_indent_columns,
7404 })
7405 } else {
7406 None
7407 },
7408 cx,
7409 );
7410 });
7411
7412 let selections = this.selections.all::<usize>(cx);
7413 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7414 s.select(selections)
7415 });
7416 } else {
7417 this.insert(&clipboard_text, window, cx);
7418 }
7419 });
7420 }
7421
7422 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7423 if let Some(item) = cx.read_from_clipboard() {
7424 let entries = item.entries();
7425
7426 match entries.first() {
7427 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7428 // of all the pasted entries.
7429 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7430 .do_paste(
7431 clipboard_string.text(),
7432 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7433 true,
7434 window,
7435 cx,
7436 ),
7437 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
7438 }
7439 }
7440 }
7441
7442 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
7443 if self.read_only(cx) {
7444 return;
7445 }
7446
7447 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7448 if let Some((selections, _)) =
7449 self.selection_history.transaction(transaction_id).cloned()
7450 {
7451 self.change_selections(None, window, cx, |s| {
7452 s.select_anchors(selections.to_vec());
7453 });
7454 }
7455 self.request_autoscroll(Autoscroll::fit(), cx);
7456 self.unmark_text(window, cx);
7457 self.refresh_inline_completion(true, false, window, cx);
7458 cx.emit(EditorEvent::Edited { transaction_id });
7459 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7460 }
7461 }
7462
7463 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
7464 if self.read_only(cx) {
7465 return;
7466 }
7467
7468 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7469 if let Some((_, Some(selections))) =
7470 self.selection_history.transaction(transaction_id).cloned()
7471 {
7472 self.change_selections(None, window, cx, |s| {
7473 s.select_anchors(selections.to_vec());
7474 });
7475 }
7476 self.request_autoscroll(Autoscroll::fit(), cx);
7477 self.unmark_text(window, cx);
7478 self.refresh_inline_completion(true, false, window, cx);
7479 cx.emit(EditorEvent::Edited { transaction_id });
7480 }
7481 }
7482
7483 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
7484 self.buffer
7485 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7486 }
7487
7488 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
7489 self.buffer
7490 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7491 }
7492
7493 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
7494 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7495 let line_mode = s.line_mode;
7496 s.move_with(|map, selection| {
7497 let cursor = if selection.is_empty() && !line_mode {
7498 movement::left(map, selection.start)
7499 } else {
7500 selection.start
7501 };
7502 selection.collapse_to(cursor, SelectionGoal::None);
7503 });
7504 })
7505 }
7506
7507 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
7508 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7509 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7510 })
7511 }
7512
7513 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
7514 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7515 let line_mode = s.line_mode;
7516 s.move_with(|map, selection| {
7517 let cursor = if selection.is_empty() && !line_mode {
7518 movement::right(map, selection.end)
7519 } else {
7520 selection.end
7521 };
7522 selection.collapse_to(cursor, SelectionGoal::None)
7523 });
7524 })
7525 }
7526
7527 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
7528 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7529 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
7530 })
7531 }
7532
7533 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
7534 if self.take_rename(true, window, cx).is_some() {
7535 return;
7536 }
7537
7538 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7539 cx.propagate();
7540 return;
7541 }
7542
7543 let text_layout_details = &self.text_layout_details(window);
7544 let selection_count = self.selections.count();
7545 let first_selection = self.selections.first_anchor();
7546
7547 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7548 let line_mode = s.line_mode;
7549 s.move_with(|map, selection| {
7550 if !selection.is_empty() && !line_mode {
7551 selection.goal = SelectionGoal::None;
7552 }
7553 let (cursor, goal) = movement::up(
7554 map,
7555 selection.start,
7556 selection.goal,
7557 false,
7558 text_layout_details,
7559 );
7560 selection.collapse_to(cursor, goal);
7561 });
7562 });
7563
7564 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7565 {
7566 cx.propagate();
7567 }
7568 }
7569
7570 pub fn move_up_by_lines(
7571 &mut self,
7572 action: &MoveUpByLines,
7573 window: &mut Window,
7574 cx: &mut Context<Self>,
7575 ) {
7576 if self.take_rename(true, window, cx).is_some() {
7577 return;
7578 }
7579
7580 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7581 cx.propagate();
7582 return;
7583 }
7584
7585 let text_layout_details = &self.text_layout_details(window);
7586
7587 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7588 let line_mode = s.line_mode;
7589 s.move_with(|map, selection| {
7590 if !selection.is_empty() && !line_mode {
7591 selection.goal = SelectionGoal::None;
7592 }
7593 let (cursor, goal) = movement::up_by_rows(
7594 map,
7595 selection.start,
7596 action.lines,
7597 selection.goal,
7598 false,
7599 text_layout_details,
7600 );
7601 selection.collapse_to(cursor, goal);
7602 });
7603 })
7604 }
7605
7606 pub fn move_down_by_lines(
7607 &mut self,
7608 action: &MoveDownByLines,
7609 window: &mut Window,
7610 cx: &mut Context<Self>,
7611 ) {
7612 if self.take_rename(true, window, cx).is_some() {
7613 return;
7614 }
7615
7616 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7617 cx.propagate();
7618 return;
7619 }
7620
7621 let text_layout_details = &self.text_layout_details(window);
7622
7623 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7624 let line_mode = s.line_mode;
7625 s.move_with(|map, selection| {
7626 if !selection.is_empty() && !line_mode {
7627 selection.goal = SelectionGoal::None;
7628 }
7629 let (cursor, goal) = movement::down_by_rows(
7630 map,
7631 selection.start,
7632 action.lines,
7633 selection.goal,
7634 false,
7635 text_layout_details,
7636 );
7637 selection.collapse_to(cursor, goal);
7638 });
7639 })
7640 }
7641
7642 pub fn select_down_by_lines(
7643 &mut self,
7644 action: &SelectDownByLines,
7645 window: &mut Window,
7646 cx: &mut Context<Self>,
7647 ) {
7648 let text_layout_details = &self.text_layout_details(window);
7649 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7650 s.move_heads_with(|map, head, goal| {
7651 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
7652 })
7653 })
7654 }
7655
7656 pub fn select_up_by_lines(
7657 &mut self,
7658 action: &SelectUpByLines,
7659 window: &mut Window,
7660 cx: &mut Context<Self>,
7661 ) {
7662 let text_layout_details = &self.text_layout_details(window);
7663 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7664 s.move_heads_with(|map, head, goal| {
7665 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
7666 })
7667 })
7668 }
7669
7670 pub fn select_page_up(
7671 &mut self,
7672 _: &SelectPageUp,
7673 window: &mut Window,
7674 cx: &mut Context<Self>,
7675 ) {
7676 let Some(row_count) = self.visible_row_count() else {
7677 return;
7678 };
7679
7680 let text_layout_details = &self.text_layout_details(window);
7681
7682 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7683 s.move_heads_with(|map, head, goal| {
7684 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
7685 })
7686 })
7687 }
7688
7689 pub fn move_page_up(
7690 &mut self,
7691 action: &MovePageUp,
7692 window: &mut Window,
7693 cx: &mut Context<Self>,
7694 ) {
7695 if self.take_rename(true, window, cx).is_some() {
7696 return;
7697 }
7698
7699 if self
7700 .context_menu
7701 .borrow_mut()
7702 .as_mut()
7703 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
7704 .unwrap_or(false)
7705 {
7706 return;
7707 }
7708
7709 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7710 cx.propagate();
7711 return;
7712 }
7713
7714 let Some(row_count) = self.visible_row_count() else {
7715 return;
7716 };
7717
7718 let autoscroll = if action.center_cursor {
7719 Autoscroll::center()
7720 } else {
7721 Autoscroll::fit()
7722 };
7723
7724 let text_layout_details = &self.text_layout_details(window);
7725
7726 self.change_selections(Some(autoscroll), window, cx, |s| {
7727 let line_mode = s.line_mode;
7728 s.move_with(|map, selection| {
7729 if !selection.is_empty() && !line_mode {
7730 selection.goal = SelectionGoal::None;
7731 }
7732 let (cursor, goal) = movement::up_by_rows(
7733 map,
7734 selection.end,
7735 row_count,
7736 selection.goal,
7737 false,
7738 text_layout_details,
7739 );
7740 selection.collapse_to(cursor, goal);
7741 });
7742 });
7743 }
7744
7745 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
7746 let text_layout_details = &self.text_layout_details(window);
7747 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7748 s.move_heads_with(|map, head, goal| {
7749 movement::up(map, head, goal, false, text_layout_details)
7750 })
7751 })
7752 }
7753
7754 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
7755 self.take_rename(true, window, cx);
7756
7757 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7758 cx.propagate();
7759 return;
7760 }
7761
7762 let text_layout_details = &self.text_layout_details(window);
7763 let selection_count = self.selections.count();
7764 let first_selection = self.selections.first_anchor();
7765
7766 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7767 let line_mode = s.line_mode;
7768 s.move_with(|map, selection| {
7769 if !selection.is_empty() && !line_mode {
7770 selection.goal = SelectionGoal::None;
7771 }
7772 let (cursor, goal) = movement::down(
7773 map,
7774 selection.end,
7775 selection.goal,
7776 false,
7777 text_layout_details,
7778 );
7779 selection.collapse_to(cursor, goal);
7780 });
7781 });
7782
7783 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7784 {
7785 cx.propagate();
7786 }
7787 }
7788
7789 pub fn select_page_down(
7790 &mut self,
7791 _: &SelectPageDown,
7792 window: &mut Window,
7793 cx: &mut Context<Self>,
7794 ) {
7795 let Some(row_count) = self.visible_row_count() else {
7796 return;
7797 };
7798
7799 let text_layout_details = &self.text_layout_details(window);
7800
7801 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7802 s.move_heads_with(|map, head, goal| {
7803 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
7804 })
7805 })
7806 }
7807
7808 pub fn move_page_down(
7809 &mut self,
7810 action: &MovePageDown,
7811 window: &mut Window,
7812 cx: &mut Context<Self>,
7813 ) {
7814 if self.take_rename(true, window, cx).is_some() {
7815 return;
7816 }
7817
7818 if self
7819 .context_menu
7820 .borrow_mut()
7821 .as_mut()
7822 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
7823 .unwrap_or(false)
7824 {
7825 return;
7826 }
7827
7828 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7829 cx.propagate();
7830 return;
7831 }
7832
7833 let Some(row_count) = self.visible_row_count() else {
7834 return;
7835 };
7836
7837 let autoscroll = if action.center_cursor {
7838 Autoscroll::center()
7839 } else {
7840 Autoscroll::fit()
7841 };
7842
7843 let text_layout_details = &self.text_layout_details(window);
7844 self.change_selections(Some(autoscroll), window, cx, |s| {
7845 let line_mode = s.line_mode;
7846 s.move_with(|map, selection| {
7847 if !selection.is_empty() && !line_mode {
7848 selection.goal = SelectionGoal::None;
7849 }
7850 let (cursor, goal) = movement::down_by_rows(
7851 map,
7852 selection.end,
7853 row_count,
7854 selection.goal,
7855 false,
7856 text_layout_details,
7857 );
7858 selection.collapse_to(cursor, goal);
7859 });
7860 });
7861 }
7862
7863 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
7864 let text_layout_details = &self.text_layout_details(window);
7865 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7866 s.move_heads_with(|map, head, goal| {
7867 movement::down(map, head, goal, false, text_layout_details)
7868 })
7869 });
7870 }
7871
7872 pub fn context_menu_first(
7873 &mut self,
7874 _: &ContextMenuFirst,
7875 _window: &mut Window,
7876 cx: &mut Context<Self>,
7877 ) {
7878 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7879 context_menu.select_first(self.completion_provider.as_deref(), cx);
7880 }
7881 }
7882
7883 pub fn context_menu_prev(
7884 &mut self,
7885 _: &ContextMenuPrev,
7886 _window: &mut Window,
7887 cx: &mut Context<Self>,
7888 ) {
7889 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7890 context_menu.select_prev(self.completion_provider.as_deref(), cx);
7891 }
7892 }
7893
7894 pub fn context_menu_next(
7895 &mut self,
7896 _: &ContextMenuNext,
7897 _window: &mut Window,
7898 cx: &mut Context<Self>,
7899 ) {
7900 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7901 context_menu.select_next(self.completion_provider.as_deref(), cx);
7902 }
7903 }
7904
7905 pub fn context_menu_last(
7906 &mut self,
7907 _: &ContextMenuLast,
7908 _window: &mut Window,
7909 cx: &mut Context<Self>,
7910 ) {
7911 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7912 context_menu.select_last(self.completion_provider.as_deref(), cx);
7913 }
7914 }
7915
7916 pub fn move_to_previous_word_start(
7917 &mut self,
7918 _: &MoveToPreviousWordStart,
7919 window: &mut Window,
7920 cx: &mut Context<Self>,
7921 ) {
7922 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7923 s.move_cursors_with(|map, head, _| {
7924 (
7925 movement::previous_word_start(map, head),
7926 SelectionGoal::None,
7927 )
7928 });
7929 })
7930 }
7931
7932 pub fn move_to_previous_subword_start(
7933 &mut self,
7934 _: &MoveToPreviousSubwordStart,
7935 window: &mut Window,
7936 cx: &mut Context<Self>,
7937 ) {
7938 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7939 s.move_cursors_with(|map, head, _| {
7940 (
7941 movement::previous_subword_start(map, head),
7942 SelectionGoal::None,
7943 )
7944 });
7945 })
7946 }
7947
7948 pub fn select_to_previous_word_start(
7949 &mut self,
7950 _: &SelectToPreviousWordStart,
7951 window: &mut Window,
7952 cx: &mut Context<Self>,
7953 ) {
7954 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7955 s.move_heads_with(|map, head, _| {
7956 (
7957 movement::previous_word_start(map, head),
7958 SelectionGoal::None,
7959 )
7960 });
7961 })
7962 }
7963
7964 pub fn select_to_previous_subword_start(
7965 &mut self,
7966 _: &SelectToPreviousSubwordStart,
7967 window: &mut Window,
7968 cx: &mut Context<Self>,
7969 ) {
7970 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7971 s.move_heads_with(|map, head, _| {
7972 (
7973 movement::previous_subword_start(map, head),
7974 SelectionGoal::None,
7975 )
7976 });
7977 })
7978 }
7979
7980 pub fn delete_to_previous_word_start(
7981 &mut self,
7982 action: &DeleteToPreviousWordStart,
7983 window: &mut Window,
7984 cx: &mut Context<Self>,
7985 ) {
7986 self.transact(window, cx, |this, window, cx| {
7987 this.select_autoclose_pair(window, cx);
7988 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7989 let line_mode = s.line_mode;
7990 s.move_with(|map, selection| {
7991 if selection.is_empty() && !line_mode {
7992 let cursor = if action.ignore_newlines {
7993 movement::previous_word_start(map, selection.head())
7994 } else {
7995 movement::previous_word_start_or_newline(map, selection.head())
7996 };
7997 selection.set_head(cursor, SelectionGoal::None);
7998 }
7999 });
8000 });
8001 this.insert("", window, cx);
8002 });
8003 }
8004
8005 pub fn delete_to_previous_subword_start(
8006 &mut self,
8007 _: &DeleteToPreviousSubwordStart,
8008 window: &mut Window,
8009 cx: &mut Context<Self>,
8010 ) {
8011 self.transact(window, cx, |this, window, cx| {
8012 this.select_autoclose_pair(window, cx);
8013 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8014 let line_mode = s.line_mode;
8015 s.move_with(|map, selection| {
8016 if selection.is_empty() && !line_mode {
8017 let cursor = movement::previous_subword_start(map, selection.head());
8018 selection.set_head(cursor, SelectionGoal::None);
8019 }
8020 });
8021 });
8022 this.insert("", window, cx);
8023 });
8024 }
8025
8026 pub fn move_to_next_word_end(
8027 &mut self,
8028 _: &MoveToNextWordEnd,
8029 window: &mut Window,
8030 cx: &mut Context<Self>,
8031 ) {
8032 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8033 s.move_cursors_with(|map, head, _| {
8034 (movement::next_word_end(map, head), SelectionGoal::None)
8035 });
8036 })
8037 }
8038
8039 pub fn move_to_next_subword_end(
8040 &mut self,
8041 _: &MoveToNextSubwordEnd,
8042 window: &mut Window,
8043 cx: &mut Context<Self>,
8044 ) {
8045 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8046 s.move_cursors_with(|map, head, _| {
8047 (movement::next_subword_end(map, head), SelectionGoal::None)
8048 });
8049 })
8050 }
8051
8052 pub fn select_to_next_word_end(
8053 &mut self,
8054 _: &SelectToNextWordEnd,
8055 window: &mut Window,
8056 cx: &mut Context<Self>,
8057 ) {
8058 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8059 s.move_heads_with(|map, head, _| {
8060 (movement::next_word_end(map, head), SelectionGoal::None)
8061 });
8062 })
8063 }
8064
8065 pub fn select_to_next_subword_end(
8066 &mut self,
8067 _: &SelectToNextSubwordEnd,
8068 window: &mut Window,
8069 cx: &mut Context<Self>,
8070 ) {
8071 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8072 s.move_heads_with(|map, head, _| {
8073 (movement::next_subword_end(map, head), SelectionGoal::None)
8074 });
8075 })
8076 }
8077
8078 pub fn delete_to_next_word_end(
8079 &mut self,
8080 action: &DeleteToNextWordEnd,
8081 window: &mut Window,
8082 cx: &mut Context<Self>,
8083 ) {
8084 self.transact(window, cx, |this, window, cx| {
8085 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8086 let line_mode = s.line_mode;
8087 s.move_with(|map, selection| {
8088 if selection.is_empty() && !line_mode {
8089 let cursor = if action.ignore_newlines {
8090 movement::next_word_end(map, selection.head())
8091 } else {
8092 movement::next_word_end_or_newline(map, selection.head())
8093 };
8094 selection.set_head(cursor, SelectionGoal::None);
8095 }
8096 });
8097 });
8098 this.insert("", window, cx);
8099 });
8100 }
8101
8102 pub fn delete_to_next_subword_end(
8103 &mut self,
8104 _: &DeleteToNextSubwordEnd,
8105 window: &mut Window,
8106 cx: &mut Context<Self>,
8107 ) {
8108 self.transact(window, cx, |this, window, cx| {
8109 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8110 s.move_with(|map, selection| {
8111 if selection.is_empty() {
8112 let cursor = movement::next_subword_end(map, selection.head());
8113 selection.set_head(cursor, SelectionGoal::None);
8114 }
8115 });
8116 });
8117 this.insert("", window, cx);
8118 });
8119 }
8120
8121 pub fn move_to_beginning_of_line(
8122 &mut self,
8123 action: &MoveToBeginningOfLine,
8124 window: &mut Window,
8125 cx: &mut Context<Self>,
8126 ) {
8127 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8128 s.move_cursors_with(|map, head, _| {
8129 (
8130 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8131 SelectionGoal::None,
8132 )
8133 });
8134 })
8135 }
8136
8137 pub fn select_to_beginning_of_line(
8138 &mut self,
8139 action: &SelectToBeginningOfLine,
8140 window: &mut Window,
8141 cx: &mut Context<Self>,
8142 ) {
8143 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8144 s.move_heads_with(|map, head, _| {
8145 (
8146 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8147 SelectionGoal::None,
8148 )
8149 });
8150 });
8151 }
8152
8153 pub fn delete_to_beginning_of_line(
8154 &mut self,
8155 _: &DeleteToBeginningOfLine,
8156 window: &mut Window,
8157 cx: &mut Context<Self>,
8158 ) {
8159 self.transact(window, cx, |this, window, cx| {
8160 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8161 s.move_with(|_, selection| {
8162 selection.reversed = true;
8163 });
8164 });
8165
8166 this.select_to_beginning_of_line(
8167 &SelectToBeginningOfLine {
8168 stop_at_soft_wraps: false,
8169 },
8170 window,
8171 cx,
8172 );
8173 this.backspace(&Backspace, window, cx);
8174 });
8175 }
8176
8177 pub fn move_to_end_of_line(
8178 &mut self,
8179 action: &MoveToEndOfLine,
8180 window: &mut Window,
8181 cx: &mut Context<Self>,
8182 ) {
8183 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8184 s.move_cursors_with(|map, head, _| {
8185 (
8186 movement::line_end(map, head, action.stop_at_soft_wraps),
8187 SelectionGoal::None,
8188 )
8189 });
8190 })
8191 }
8192
8193 pub fn select_to_end_of_line(
8194 &mut self,
8195 action: &SelectToEndOfLine,
8196 window: &mut Window,
8197 cx: &mut Context<Self>,
8198 ) {
8199 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8200 s.move_heads_with(|map, head, _| {
8201 (
8202 movement::line_end(map, head, action.stop_at_soft_wraps),
8203 SelectionGoal::None,
8204 )
8205 });
8206 })
8207 }
8208
8209 pub fn delete_to_end_of_line(
8210 &mut self,
8211 _: &DeleteToEndOfLine,
8212 window: &mut Window,
8213 cx: &mut Context<Self>,
8214 ) {
8215 self.transact(window, cx, |this, window, cx| {
8216 this.select_to_end_of_line(
8217 &SelectToEndOfLine {
8218 stop_at_soft_wraps: false,
8219 },
8220 window,
8221 cx,
8222 );
8223 this.delete(&Delete, window, cx);
8224 });
8225 }
8226
8227 pub fn cut_to_end_of_line(
8228 &mut self,
8229 _: &CutToEndOfLine,
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.cut(&Cut, window, cx);
8242 });
8243 }
8244
8245 pub fn move_to_start_of_paragraph(
8246 &mut self,
8247 _: &MoveToStartOfParagraph,
8248 window: &mut Window,
8249 cx: &mut Context<Self>,
8250 ) {
8251 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8252 cx.propagate();
8253 return;
8254 }
8255
8256 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8257 s.move_with(|map, selection| {
8258 selection.collapse_to(
8259 movement::start_of_paragraph(map, selection.head(), 1),
8260 SelectionGoal::None,
8261 )
8262 });
8263 })
8264 }
8265
8266 pub fn move_to_end_of_paragraph(
8267 &mut self,
8268 _: &MoveToEndOfParagraph,
8269 window: &mut Window,
8270 cx: &mut Context<Self>,
8271 ) {
8272 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8273 cx.propagate();
8274 return;
8275 }
8276
8277 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8278 s.move_with(|map, selection| {
8279 selection.collapse_to(
8280 movement::end_of_paragraph(map, selection.head(), 1),
8281 SelectionGoal::None,
8282 )
8283 });
8284 })
8285 }
8286
8287 pub fn select_to_start_of_paragraph(
8288 &mut self,
8289 _: &SelectToStartOfParagraph,
8290 window: &mut Window,
8291 cx: &mut Context<Self>,
8292 ) {
8293 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8294 cx.propagate();
8295 return;
8296 }
8297
8298 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8299 s.move_heads_with(|map, head, _| {
8300 (
8301 movement::start_of_paragraph(map, head, 1),
8302 SelectionGoal::None,
8303 )
8304 });
8305 })
8306 }
8307
8308 pub fn select_to_end_of_paragraph(
8309 &mut self,
8310 _: &SelectToEndOfParagraph,
8311 window: &mut Window,
8312 cx: &mut Context<Self>,
8313 ) {
8314 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8315 cx.propagate();
8316 return;
8317 }
8318
8319 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8320 s.move_heads_with(|map, head, _| {
8321 (
8322 movement::end_of_paragraph(map, head, 1),
8323 SelectionGoal::None,
8324 )
8325 });
8326 })
8327 }
8328
8329 pub fn move_to_beginning(
8330 &mut self,
8331 _: &MoveToBeginning,
8332 window: &mut Window,
8333 cx: &mut Context<Self>,
8334 ) {
8335 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8336 cx.propagate();
8337 return;
8338 }
8339
8340 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8341 s.select_ranges(vec![0..0]);
8342 });
8343 }
8344
8345 pub fn select_to_beginning(
8346 &mut self,
8347 _: &SelectToBeginning,
8348 window: &mut Window,
8349 cx: &mut Context<Self>,
8350 ) {
8351 let mut selection = self.selections.last::<Point>(cx);
8352 selection.set_head(Point::zero(), SelectionGoal::None);
8353
8354 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8355 s.select(vec![selection]);
8356 });
8357 }
8358
8359 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8360 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8361 cx.propagate();
8362 return;
8363 }
8364
8365 let cursor = self.buffer.read(cx).read(cx).len();
8366 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8367 s.select_ranges(vec![cursor..cursor])
8368 });
8369 }
8370
8371 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8372 self.nav_history = nav_history;
8373 }
8374
8375 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8376 self.nav_history.as_ref()
8377 }
8378
8379 fn push_to_nav_history(
8380 &mut self,
8381 cursor_anchor: Anchor,
8382 new_position: Option<Point>,
8383 cx: &mut Context<Self>,
8384 ) {
8385 if let Some(nav_history) = self.nav_history.as_mut() {
8386 let buffer = self.buffer.read(cx).read(cx);
8387 let cursor_position = cursor_anchor.to_point(&buffer);
8388 let scroll_state = self.scroll_manager.anchor();
8389 let scroll_top_row = scroll_state.top_row(&buffer);
8390 drop(buffer);
8391
8392 if let Some(new_position) = new_position {
8393 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8394 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8395 return;
8396 }
8397 }
8398
8399 nav_history.push(
8400 Some(NavigationData {
8401 cursor_anchor,
8402 cursor_position,
8403 scroll_anchor: scroll_state,
8404 scroll_top_row,
8405 }),
8406 cx,
8407 );
8408 }
8409 }
8410
8411 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8412 let buffer = self.buffer.read(cx).snapshot(cx);
8413 let mut selection = self.selections.first::<usize>(cx);
8414 selection.set_head(buffer.len(), SelectionGoal::None);
8415 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8416 s.select(vec![selection]);
8417 });
8418 }
8419
8420 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8421 let end = self.buffer.read(cx).read(cx).len();
8422 self.change_selections(None, window, cx, |s| {
8423 s.select_ranges(vec![0..end]);
8424 });
8425 }
8426
8427 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8428 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8429 let mut selections = self.selections.all::<Point>(cx);
8430 let max_point = display_map.buffer_snapshot.max_point();
8431 for selection in &mut selections {
8432 let rows = selection.spanned_rows(true, &display_map);
8433 selection.start = Point::new(rows.start.0, 0);
8434 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
8435 selection.reversed = false;
8436 }
8437 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8438 s.select(selections);
8439 });
8440 }
8441
8442 pub fn split_selection_into_lines(
8443 &mut self,
8444 _: &SplitSelectionIntoLines,
8445 window: &mut Window,
8446 cx: &mut Context<Self>,
8447 ) {
8448 let mut to_unfold = Vec::new();
8449 let mut new_selection_ranges = Vec::new();
8450 {
8451 let selections = self.selections.all::<Point>(cx);
8452 let buffer = self.buffer.read(cx).read(cx);
8453 for selection in selections {
8454 for row in selection.start.row..selection.end.row {
8455 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
8456 new_selection_ranges.push(cursor..cursor);
8457 }
8458 new_selection_ranges.push(selection.end..selection.end);
8459 to_unfold.push(selection.start..selection.end);
8460 }
8461 }
8462 self.unfold_ranges(&to_unfold, true, true, cx);
8463 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8464 s.select_ranges(new_selection_ranges);
8465 });
8466 }
8467
8468 pub fn add_selection_above(
8469 &mut self,
8470 _: &AddSelectionAbove,
8471 window: &mut Window,
8472 cx: &mut Context<Self>,
8473 ) {
8474 self.add_selection(true, window, cx);
8475 }
8476
8477 pub fn add_selection_below(
8478 &mut self,
8479 _: &AddSelectionBelow,
8480 window: &mut Window,
8481 cx: &mut Context<Self>,
8482 ) {
8483 self.add_selection(false, window, cx);
8484 }
8485
8486 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
8487 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8488 let mut selections = self.selections.all::<Point>(cx);
8489 let text_layout_details = self.text_layout_details(window);
8490 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
8491 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
8492 let range = oldest_selection.display_range(&display_map).sorted();
8493
8494 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
8495 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
8496 let positions = start_x.min(end_x)..start_x.max(end_x);
8497
8498 selections.clear();
8499 let mut stack = Vec::new();
8500 for row in range.start.row().0..=range.end.row().0 {
8501 if let Some(selection) = self.selections.build_columnar_selection(
8502 &display_map,
8503 DisplayRow(row),
8504 &positions,
8505 oldest_selection.reversed,
8506 &text_layout_details,
8507 ) {
8508 stack.push(selection.id);
8509 selections.push(selection);
8510 }
8511 }
8512
8513 if above {
8514 stack.reverse();
8515 }
8516
8517 AddSelectionsState { above, stack }
8518 });
8519
8520 let last_added_selection = *state.stack.last().unwrap();
8521 let mut new_selections = Vec::new();
8522 if above == state.above {
8523 let end_row = if above {
8524 DisplayRow(0)
8525 } else {
8526 display_map.max_point().row()
8527 };
8528
8529 'outer: for selection in selections {
8530 if selection.id == last_added_selection {
8531 let range = selection.display_range(&display_map).sorted();
8532 debug_assert_eq!(range.start.row(), range.end.row());
8533 let mut row = range.start.row();
8534 let positions =
8535 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
8536 px(start)..px(end)
8537 } else {
8538 let start_x =
8539 display_map.x_for_display_point(range.start, &text_layout_details);
8540 let end_x =
8541 display_map.x_for_display_point(range.end, &text_layout_details);
8542 start_x.min(end_x)..start_x.max(end_x)
8543 };
8544
8545 while row != end_row {
8546 if above {
8547 row.0 -= 1;
8548 } else {
8549 row.0 += 1;
8550 }
8551
8552 if let Some(new_selection) = self.selections.build_columnar_selection(
8553 &display_map,
8554 row,
8555 &positions,
8556 selection.reversed,
8557 &text_layout_details,
8558 ) {
8559 state.stack.push(new_selection.id);
8560 if above {
8561 new_selections.push(new_selection);
8562 new_selections.push(selection);
8563 } else {
8564 new_selections.push(selection);
8565 new_selections.push(new_selection);
8566 }
8567
8568 continue 'outer;
8569 }
8570 }
8571 }
8572
8573 new_selections.push(selection);
8574 }
8575 } else {
8576 new_selections = selections;
8577 new_selections.retain(|s| s.id != last_added_selection);
8578 state.stack.pop();
8579 }
8580
8581 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8582 s.select(new_selections);
8583 });
8584 if state.stack.len() > 1 {
8585 self.add_selections_state = Some(state);
8586 }
8587 }
8588
8589 pub fn select_next_match_internal(
8590 &mut self,
8591 display_map: &DisplaySnapshot,
8592 replace_newest: bool,
8593 autoscroll: Option<Autoscroll>,
8594 window: &mut Window,
8595 cx: &mut Context<Self>,
8596 ) -> Result<()> {
8597 fn select_next_match_ranges(
8598 this: &mut Editor,
8599 range: Range<usize>,
8600 replace_newest: bool,
8601 auto_scroll: Option<Autoscroll>,
8602 window: &mut Window,
8603 cx: &mut Context<Editor>,
8604 ) {
8605 this.unfold_ranges(&[range.clone()], false, true, cx);
8606 this.change_selections(auto_scroll, window, cx, |s| {
8607 if replace_newest {
8608 s.delete(s.newest_anchor().id);
8609 }
8610 s.insert_range(range.clone());
8611 });
8612 }
8613
8614 let buffer = &display_map.buffer_snapshot;
8615 let mut selections = self.selections.all::<usize>(cx);
8616 if let Some(mut select_next_state) = self.select_next_state.take() {
8617 let query = &select_next_state.query;
8618 if !select_next_state.done {
8619 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8620 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8621 let mut next_selected_range = None;
8622
8623 let bytes_after_last_selection =
8624 buffer.bytes_in_range(last_selection.end..buffer.len());
8625 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
8626 let query_matches = query
8627 .stream_find_iter(bytes_after_last_selection)
8628 .map(|result| (last_selection.end, result))
8629 .chain(
8630 query
8631 .stream_find_iter(bytes_before_first_selection)
8632 .map(|result| (0, result)),
8633 );
8634
8635 for (start_offset, query_match) in query_matches {
8636 let query_match = query_match.unwrap(); // can only fail due to I/O
8637 let offset_range =
8638 start_offset + query_match.start()..start_offset + query_match.end();
8639 let display_range = offset_range.start.to_display_point(display_map)
8640 ..offset_range.end.to_display_point(display_map);
8641
8642 if !select_next_state.wordwise
8643 || (!movement::is_inside_word(display_map, display_range.start)
8644 && !movement::is_inside_word(display_map, display_range.end))
8645 {
8646 // TODO: This is n^2, because we might check all the selections
8647 if !selections
8648 .iter()
8649 .any(|selection| selection.range().overlaps(&offset_range))
8650 {
8651 next_selected_range = Some(offset_range);
8652 break;
8653 }
8654 }
8655 }
8656
8657 if let Some(next_selected_range) = next_selected_range {
8658 select_next_match_ranges(
8659 self,
8660 next_selected_range,
8661 replace_newest,
8662 autoscroll,
8663 window,
8664 cx,
8665 );
8666 } else {
8667 select_next_state.done = true;
8668 }
8669 }
8670
8671 self.select_next_state = Some(select_next_state);
8672 } else {
8673 let mut only_carets = true;
8674 let mut same_text_selected = true;
8675 let mut selected_text = None;
8676
8677 let mut selections_iter = selections.iter().peekable();
8678 while let Some(selection) = selections_iter.next() {
8679 if selection.start != selection.end {
8680 only_carets = false;
8681 }
8682
8683 if same_text_selected {
8684 if selected_text.is_none() {
8685 selected_text =
8686 Some(buffer.text_for_range(selection.range()).collect::<String>());
8687 }
8688
8689 if let Some(next_selection) = selections_iter.peek() {
8690 if next_selection.range().len() == selection.range().len() {
8691 let next_selected_text = buffer
8692 .text_for_range(next_selection.range())
8693 .collect::<String>();
8694 if Some(next_selected_text) != selected_text {
8695 same_text_selected = false;
8696 selected_text = None;
8697 }
8698 } else {
8699 same_text_selected = false;
8700 selected_text = None;
8701 }
8702 }
8703 }
8704 }
8705
8706 if only_carets {
8707 for selection in &mut selections {
8708 let word_range = movement::surrounding_word(
8709 display_map,
8710 selection.start.to_display_point(display_map),
8711 );
8712 selection.start = word_range.start.to_offset(display_map, Bias::Left);
8713 selection.end = word_range.end.to_offset(display_map, Bias::Left);
8714 selection.goal = SelectionGoal::None;
8715 selection.reversed = false;
8716 select_next_match_ranges(
8717 self,
8718 selection.start..selection.end,
8719 replace_newest,
8720 autoscroll,
8721 window,
8722 cx,
8723 );
8724 }
8725
8726 if selections.len() == 1 {
8727 let selection = selections
8728 .last()
8729 .expect("ensured that there's only one selection");
8730 let query = buffer
8731 .text_for_range(selection.start..selection.end)
8732 .collect::<String>();
8733 let is_empty = query.is_empty();
8734 let select_state = SelectNextState {
8735 query: AhoCorasick::new(&[query])?,
8736 wordwise: true,
8737 done: is_empty,
8738 };
8739 self.select_next_state = Some(select_state);
8740 } else {
8741 self.select_next_state = None;
8742 }
8743 } else if let Some(selected_text) = selected_text {
8744 self.select_next_state = Some(SelectNextState {
8745 query: AhoCorasick::new(&[selected_text])?,
8746 wordwise: false,
8747 done: false,
8748 });
8749 self.select_next_match_internal(
8750 display_map,
8751 replace_newest,
8752 autoscroll,
8753 window,
8754 cx,
8755 )?;
8756 }
8757 }
8758 Ok(())
8759 }
8760
8761 pub fn select_all_matches(
8762 &mut self,
8763 _action: &SelectAllMatches,
8764 window: &mut Window,
8765 cx: &mut Context<Self>,
8766 ) -> Result<()> {
8767 self.push_to_selection_history();
8768 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8769
8770 self.select_next_match_internal(&display_map, false, None, window, cx)?;
8771 let Some(select_next_state) = self.select_next_state.as_mut() else {
8772 return Ok(());
8773 };
8774 if select_next_state.done {
8775 return Ok(());
8776 }
8777
8778 let mut new_selections = self.selections.all::<usize>(cx);
8779
8780 let buffer = &display_map.buffer_snapshot;
8781 let query_matches = select_next_state
8782 .query
8783 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
8784
8785 for query_match in query_matches {
8786 let query_match = query_match.unwrap(); // can only fail due to I/O
8787 let offset_range = query_match.start()..query_match.end();
8788 let display_range = offset_range.start.to_display_point(&display_map)
8789 ..offset_range.end.to_display_point(&display_map);
8790
8791 if !select_next_state.wordwise
8792 || (!movement::is_inside_word(&display_map, display_range.start)
8793 && !movement::is_inside_word(&display_map, display_range.end))
8794 {
8795 self.selections.change_with(cx, |selections| {
8796 new_selections.push(Selection {
8797 id: selections.new_selection_id(),
8798 start: offset_range.start,
8799 end: offset_range.end,
8800 reversed: false,
8801 goal: SelectionGoal::None,
8802 });
8803 });
8804 }
8805 }
8806
8807 new_selections.sort_by_key(|selection| selection.start);
8808 let mut ix = 0;
8809 while ix + 1 < new_selections.len() {
8810 let current_selection = &new_selections[ix];
8811 let next_selection = &new_selections[ix + 1];
8812 if current_selection.range().overlaps(&next_selection.range()) {
8813 if current_selection.id < next_selection.id {
8814 new_selections.remove(ix + 1);
8815 } else {
8816 new_selections.remove(ix);
8817 }
8818 } else {
8819 ix += 1;
8820 }
8821 }
8822
8823 select_next_state.done = true;
8824 self.unfold_ranges(
8825 &new_selections
8826 .iter()
8827 .map(|selection| selection.range())
8828 .collect::<Vec<_>>(),
8829 false,
8830 false,
8831 cx,
8832 );
8833 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
8834 selections.select(new_selections)
8835 });
8836
8837 Ok(())
8838 }
8839
8840 pub fn select_next(
8841 &mut self,
8842 action: &SelectNext,
8843 window: &mut Window,
8844 cx: &mut Context<Self>,
8845 ) -> Result<()> {
8846 self.push_to_selection_history();
8847 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8848 self.select_next_match_internal(
8849 &display_map,
8850 action.replace_newest,
8851 Some(Autoscroll::newest()),
8852 window,
8853 cx,
8854 )?;
8855 Ok(())
8856 }
8857
8858 pub fn select_previous(
8859 &mut self,
8860 action: &SelectPrevious,
8861 window: &mut Window,
8862 cx: &mut Context<Self>,
8863 ) -> Result<()> {
8864 self.push_to_selection_history();
8865 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8866 let buffer = &display_map.buffer_snapshot;
8867 let mut selections = self.selections.all::<usize>(cx);
8868 if let Some(mut select_prev_state) = self.select_prev_state.take() {
8869 let query = &select_prev_state.query;
8870 if !select_prev_state.done {
8871 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8872 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8873 let mut next_selected_range = None;
8874 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
8875 let bytes_before_last_selection =
8876 buffer.reversed_bytes_in_range(0..last_selection.start);
8877 let bytes_after_first_selection =
8878 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
8879 let query_matches = query
8880 .stream_find_iter(bytes_before_last_selection)
8881 .map(|result| (last_selection.start, result))
8882 .chain(
8883 query
8884 .stream_find_iter(bytes_after_first_selection)
8885 .map(|result| (buffer.len(), result)),
8886 );
8887 for (end_offset, query_match) in query_matches {
8888 let query_match = query_match.unwrap(); // can only fail due to I/O
8889 let offset_range =
8890 end_offset - query_match.end()..end_offset - query_match.start();
8891 let display_range = offset_range.start.to_display_point(&display_map)
8892 ..offset_range.end.to_display_point(&display_map);
8893
8894 if !select_prev_state.wordwise
8895 || (!movement::is_inside_word(&display_map, display_range.start)
8896 && !movement::is_inside_word(&display_map, display_range.end))
8897 {
8898 next_selected_range = Some(offset_range);
8899 break;
8900 }
8901 }
8902
8903 if let Some(next_selected_range) = next_selected_range {
8904 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
8905 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8906 if action.replace_newest {
8907 s.delete(s.newest_anchor().id);
8908 }
8909 s.insert_range(next_selected_range);
8910 });
8911 } else {
8912 select_prev_state.done = true;
8913 }
8914 }
8915
8916 self.select_prev_state = Some(select_prev_state);
8917 } else {
8918 let mut only_carets = true;
8919 let mut same_text_selected = true;
8920 let mut selected_text = None;
8921
8922 let mut selections_iter = selections.iter().peekable();
8923 while let Some(selection) = selections_iter.next() {
8924 if selection.start != selection.end {
8925 only_carets = false;
8926 }
8927
8928 if same_text_selected {
8929 if selected_text.is_none() {
8930 selected_text =
8931 Some(buffer.text_for_range(selection.range()).collect::<String>());
8932 }
8933
8934 if let Some(next_selection) = selections_iter.peek() {
8935 if next_selection.range().len() == selection.range().len() {
8936 let next_selected_text = buffer
8937 .text_for_range(next_selection.range())
8938 .collect::<String>();
8939 if Some(next_selected_text) != selected_text {
8940 same_text_selected = false;
8941 selected_text = None;
8942 }
8943 } else {
8944 same_text_selected = false;
8945 selected_text = None;
8946 }
8947 }
8948 }
8949 }
8950
8951 if only_carets {
8952 for selection in &mut selections {
8953 let word_range = movement::surrounding_word(
8954 &display_map,
8955 selection.start.to_display_point(&display_map),
8956 );
8957 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
8958 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
8959 selection.goal = SelectionGoal::None;
8960 selection.reversed = false;
8961 }
8962 if selections.len() == 1 {
8963 let selection = selections
8964 .last()
8965 .expect("ensured that there's only one selection");
8966 let query = buffer
8967 .text_for_range(selection.start..selection.end)
8968 .collect::<String>();
8969 let is_empty = query.is_empty();
8970 let select_state = SelectNextState {
8971 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
8972 wordwise: true,
8973 done: is_empty,
8974 };
8975 self.select_prev_state = Some(select_state);
8976 } else {
8977 self.select_prev_state = None;
8978 }
8979
8980 self.unfold_ranges(
8981 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
8982 false,
8983 true,
8984 cx,
8985 );
8986 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8987 s.select(selections);
8988 });
8989 } else if let Some(selected_text) = selected_text {
8990 self.select_prev_state = Some(SelectNextState {
8991 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
8992 wordwise: false,
8993 done: false,
8994 });
8995 self.select_previous(action, window, cx)?;
8996 }
8997 }
8998 Ok(())
8999 }
9000
9001 pub fn toggle_comments(
9002 &mut self,
9003 action: &ToggleComments,
9004 window: &mut Window,
9005 cx: &mut Context<Self>,
9006 ) {
9007 if self.read_only(cx) {
9008 return;
9009 }
9010 let text_layout_details = &self.text_layout_details(window);
9011 self.transact(window, cx, |this, window, cx| {
9012 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9013 let mut edits = Vec::new();
9014 let mut selection_edit_ranges = Vec::new();
9015 let mut last_toggled_row = None;
9016 let snapshot = this.buffer.read(cx).read(cx);
9017 let empty_str: Arc<str> = Arc::default();
9018 let mut suffixes_inserted = Vec::new();
9019 let ignore_indent = action.ignore_indent;
9020
9021 fn comment_prefix_range(
9022 snapshot: &MultiBufferSnapshot,
9023 row: MultiBufferRow,
9024 comment_prefix: &str,
9025 comment_prefix_whitespace: &str,
9026 ignore_indent: bool,
9027 ) -> Range<Point> {
9028 let indent_size = if ignore_indent {
9029 0
9030 } else {
9031 snapshot.indent_size_for_line(row).len
9032 };
9033
9034 let start = Point::new(row.0, indent_size);
9035
9036 let mut line_bytes = snapshot
9037 .bytes_in_range(start..snapshot.max_point())
9038 .flatten()
9039 .copied();
9040
9041 // If this line currently begins with the line comment prefix, then record
9042 // the range containing the prefix.
9043 if line_bytes
9044 .by_ref()
9045 .take(comment_prefix.len())
9046 .eq(comment_prefix.bytes())
9047 {
9048 // Include any whitespace that matches the comment prefix.
9049 let matching_whitespace_len = line_bytes
9050 .zip(comment_prefix_whitespace.bytes())
9051 .take_while(|(a, b)| a == b)
9052 .count() as u32;
9053 let end = Point::new(
9054 start.row,
9055 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9056 );
9057 start..end
9058 } else {
9059 start..start
9060 }
9061 }
9062
9063 fn comment_suffix_range(
9064 snapshot: &MultiBufferSnapshot,
9065 row: MultiBufferRow,
9066 comment_suffix: &str,
9067 comment_suffix_has_leading_space: bool,
9068 ) -> Range<Point> {
9069 let end = Point::new(row.0, snapshot.line_len(row));
9070 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9071
9072 let mut line_end_bytes = snapshot
9073 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9074 .flatten()
9075 .copied();
9076
9077 let leading_space_len = if suffix_start_column > 0
9078 && line_end_bytes.next() == Some(b' ')
9079 && comment_suffix_has_leading_space
9080 {
9081 1
9082 } else {
9083 0
9084 };
9085
9086 // If this line currently begins with the line comment prefix, then record
9087 // the range containing the prefix.
9088 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9089 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9090 start..end
9091 } else {
9092 end..end
9093 }
9094 }
9095
9096 // TODO: Handle selections that cross excerpts
9097 for selection in &mut selections {
9098 let start_column = snapshot
9099 .indent_size_for_line(MultiBufferRow(selection.start.row))
9100 .len;
9101 let language = if let Some(language) =
9102 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9103 {
9104 language
9105 } else {
9106 continue;
9107 };
9108
9109 selection_edit_ranges.clear();
9110
9111 // If multiple selections contain a given row, avoid processing that
9112 // row more than once.
9113 let mut start_row = MultiBufferRow(selection.start.row);
9114 if last_toggled_row == Some(start_row) {
9115 start_row = start_row.next_row();
9116 }
9117 let end_row =
9118 if selection.end.row > selection.start.row && selection.end.column == 0 {
9119 MultiBufferRow(selection.end.row - 1)
9120 } else {
9121 MultiBufferRow(selection.end.row)
9122 };
9123 last_toggled_row = Some(end_row);
9124
9125 if start_row > end_row {
9126 continue;
9127 }
9128
9129 // If the language has line comments, toggle those.
9130 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9131
9132 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9133 if ignore_indent {
9134 full_comment_prefixes = full_comment_prefixes
9135 .into_iter()
9136 .map(|s| Arc::from(s.trim_end()))
9137 .collect();
9138 }
9139
9140 if !full_comment_prefixes.is_empty() {
9141 let first_prefix = full_comment_prefixes
9142 .first()
9143 .expect("prefixes is non-empty");
9144 let prefix_trimmed_lengths = full_comment_prefixes
9145 .iter()
9146 .map(|p| p.trim_end_matches(' ').len())
9147 .collect::<SmallVec<[usize; 4]>>();
9148
9149 let mut all_selection_lines_are_comments = true;
9150
9151 for row in start_row.0..=end_row.0 {
9152 let row = MultiBufferRow(row);
9153 if start_row < end_row && snapshot.is_line_blank(row) {
9154 continue;
9155 }
9156
9157 let prefix_range = full_comment_prefixes
9158 .iter()
9159 .zip(prefix_trimmed_lengths.iter().copied())
9160 .map(|(prefix, trimmed_prefix_len)| {
9161 comment_prefix_range(
9162 snapshot.deref(),
9163 row,
9164 &prefix[..trimmed_prefix_len],
9165 &prefix[trimmed_prefix_len..],
9166 ignore_indent,
9167 )
9168 })
9169 .max_by_key(|range| range.end.column - range.start.column)
9170 .expect("prefixes is non-empty");
9171
9172 if prefix_range.is_empty() {
9173 all_selection_lines_are_comments = false;
9174 }
9175
9176 selection_edit_ranges.push(prefix_range);
9177 }
9178
9179 if all_selection_lines_are_comments {
9180 edits.extend(
9181 selection_edit_ranges
9182 .iter()
9183 .cloned()
9184 .map(|range| (range, empty_str.clone())),
9185 );
9186 } else {
9187 let min_column = selection_edit_ranges
9188 .iter()
9189 .map(|range| range.start.column)
9190 .min()
9191 .unwrap_or(0);
9192 edits.extend(selection_edit_ranges.iter().map(|range| {
9193 let position = Point::new(range.start.row, min_column);
9194 (position..position, first_prefix.clone())
9195 }));
9196 }
9197 } else if let Some((full_comment_prefix, comment_suffix)) =
9198 language.block_comment_delimiters()
9199 {
9200 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9201 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9202 let prefix_range = comment_prefix_range(
9203 snapshot.deref(),
9204 start_row,
9205 comment_prefix,
9206 comment_prefix_whitespace,
9207 ignore_indent,
9208 );
9209 let suffix_range = comment_suffix_range(
9210 snapshot.deref(),
9211 end_row,
9212 comment_suffix.trim_start_matches(' '),
9213 comment_suffix.starts_with(' '),
9214 );
9215
9216 if prefix_range.is_empty() || suffix_range.is_empty() {
9217 edits.push((
9218 prefix_range.start..prefix_range.start,
9219 full_comment_prefix.clone(),
9220 ));
9221 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9222 suffixes_inserted.push((end_row, comment_suffix.len()));
9223 } else {
9224 edits.push((prefix_range, empty_str.clone()));
9225 edits.push((suffix_range, empty_str.clone()));
9226 }
9227 } else {
9228 continue;
9229 }
9230 }
9231
9232 drop(snapshot);
9233 this.buffer.update(cx, |buffer, cx| {
9234 buffer.edit(edits, None, cx);
9235 });
9236
9237 // Adjust selections so that they end before any comment suffixes that
9238 // were inserted.
9239 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9240 let mut selections = this.selections.all::<Point>(cx);
9241 let snapshot = this.buffer.read(cx).read(cx);
9242 for selection in &mut selections {
9243 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9244 match row.cmp(&MultiBufferRow(selection.end.row)) {
9245 Ordering::Less => {
9246 suffixes_inserted.next();
9247 continue;
9248 }
9249 Ordering::Greater => break,
9250 Ordering::Equal => {
9251 if selection.end.column == snapshot.line_len(row) {
9252 if selection.is_empty() {
9253 selection.start.column -= suffix_len as u32;
9254 }
9255 selection.end.column -= suffix_len as u32;
9256 }
9257 break;
9258 }
9259 }
9260 }
9261 }
9262
9263 drop(snapshot);
9264 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9265 s.select(selections)
9266 });
9267
9268 let selections = this.selections.all::<Point>(cx);
9269 let selections_on_single_row = selections.windows(2).all(|selections| {
9270 selections[0].start.row == selections[1].start.row
9271 && selections[0].end.row == selections[1].end.row
9272 && selections[0].start.row == selections[0].end.row
9273 });
9274 let selections_selecting = selections
9275 .iter()
9276 .any(|selection| selection.start != selection.end);
9277 let advance_downwards = action.advance_downwards
9278 && selections_on_single_row
9279 && !selections_selecting
9280 && !matches!(this.mode, EditorMode::SingleLine { .. });
9281
9282 if advance_downwards {
9283 let snapshot = this.buffer.read(cx).snapshot(cx);
9284
9285 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9286 s.move_cursors_with(|display_snapshot, display_point, _| {
9287 let mut point = display_point.to_point(display_snapshot);
9288 point.row += 1;
9289 point = snapshot.clip_point(point, Bias::Left);
9290 let display_point = point.to_display_point(display_snapshot);
9291 let goal = SelectionGoal::HorizontalPosition(
9292 display_snapshot
9293 .x_for_display_point(display_point, text_layout_details)
9294 .into(),
9295 );
9296 (display_point, goal)
9297 })
9298 });
9299 }
9300 });
9301 }
9302
9303 pub fn select_enclosing_symbol(
9304 &mut self,
9305 _: &SelectEnclosingSymbol,
9306 window: &mut Window,
9307 cx: &mut Context<Self>,
9308 ) {
9309 let buffer = self.buffer.read(cx).snapshot(cx);
9310 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9311
9312 fn update_selection(
9313 selection: &Selection<usize>,
9314 buffer_snap: &MultiBufferSnapshot,
9315 ) -> Option<Selection<usize>> {
9316 let cursor = selection.head();
9317 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9318 for symbol in symbols.iter().rev() {
9319 let start = symbol.range.start.to_offset(buffer_snap);
9320 let end = symbol.range.end.to_offset(buffer_snap);
9321 let new_range = start..end;
9322 if start < selection.start || end > selection.end {
9323 return Some(Selection {
9324 id: selection.id,
9325 start: new_range.start,
9326 end: new_range.end,
9327 goal: SelectionGoal::None,
9328 reversed: selection.reversed,
9329 });
9330 }
9331 }
9332 None
9333 }
9334
9335 let mut selected_larger_symbol = false;
9336 let new_selections = old_selections
9337 .iter()
9338 .map(|selection| match update_selection(selection, &buffer) {
9339 Some(new_selection) => {
9340 if new_selection.range() != selection.range() {
9341 selected_larger_symbol = true;
9342 }
9343 new_selection
9344 }
9345 None => selection.clone(),
9346 })
9347 .collect::<Vec<_>>();
9348
9349 if selected_larger_symbol {
9350 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9351 s.select(new_selections);
9352 });
9353 }
9354 }
9355
9356 pub fn select_larger_syntax_node(
9357 &mut self,
9358 _: &SelectLargerSyntaxNode,
9359 window: &mut Window,
9360 cx: &mut Context<Self>,
9361 ) {
9362 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9363 let buffer = self.buffer.read(cx).snapshot(cx);
9364 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9365
9366 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9367 let mut selected_larger_node = false;
9368 let new_selections = old_selections
9369 .iter()
9370 .map(|selection| {
9371 let old_range = selection.start..selection.end;
9372 let mut new_range = old_range.clone();
9373 let mut new_node = None;
9374 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9375 {
9376 new_node = Some(node);
9377 new_range = containing_range;
9378 if !display_map.intersects_fold(new_range.start)
9379 && !display_map.intersects_fold(new_range.end)
9380 {
9381 break;
9382 }
9383 }
9384
9385 if let Some(node) = new_node {
9386 // Log the ancestor, to support using this action as a way to explore TreeSitter
9387 // nodes. Parent and grandparent are also logged because this operation will not
9388 // visit nodes that have the same range as their parent.
9389 log::info!("Node: {node:?}");
9390 let parent = node.parent();
9391 log::info!("Parent: {parent:?}");
9392 let grandparent = parent.and_then(|x| x.parent());
9393 log::info!("Grandparent: {grandparent:?}");
9394 }
9395
9396 selected_larger_node |= new_range != old_range;
9397 Selection {
9398 id: selection.id,
9399 start: new_range.start,
9400 end: new_range.end,
9401 goal: SelectionGoal::None,
9402 reversed: selection.reversed,
9403 }
9404 })
9405 .collect::<Vec<_>>();
9406
9407 if selected_larger_node {
9408 stack.push(old_selections);
9409 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9410 s.select(new_selections);
9411 });
9412 }
9413 self.select_larger_syntax_node_stack = stack;
9414 }
9415
9416 pub fn select_smaller_syntax_node(
9417 &mut self,
9418 _: &SelectSmallerSyntaxNode,
9419 window: &mut Window,
9420 cx: &mut Context<Self>,
9421 ) {
9422 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9423 if let Some(selections) = stack.pop() {
9424 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9425 s.select(selections.to_vec());
9426 });
9427 }
9428 self.select_larger_syntax_node_stack = stack;
9429 }
9430
9431 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
9432 if !EditorSettings::get_global(cx).gutter.runnables {
9433 self.clear_tasks();
9434 return Task::ready(());
9435 }
9436 let project = self.project.as_ref().map(Entity::downgrade);
9437 cx.spawn_in(window, |this, mut cx| async move {
9438 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
9439 let Some(project) = project.and_then(|p| p.upgrade()) else {
9440 return;
9441 };
9442 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
9443 this.display_map.update(cx, |map, cx| map.snapshot(cx))
9444 }) else {
9445 return;
9446 };
9447
9448 let hide_runnables = project
9449 .update(&mut cx, |project, cx| {
9450 // Do not display any test indicators in non-dev server remote projects.
9451 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
9452 })
9453 .unwrap_or(true);
9454 if hide_runnables {
9455 return;
9456 }
9457 let new_rows =
9458 cx.background_executor()
9459 .spawn({
9460 let snapshot = display_snapshot.clone();
9461 async move {
9462 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
9463 }
9464 })
9465 .await;
9466
9467 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
9468 this.update(&mut cx, |this, _| {
9469 this.clear_tasks();
9470 for (key, value) in rows {
9471 this.insert_tasks(key, value);
9472 }
9473 })
9474 .ok();
9475 })
9476 }
9477 fn fetch_runnable_ranges(
9478 snapshot: &DisplaySnapshot,
9479 range: Range<Anchor>,
9480 ) -> Vec<language::RunnableRange> {
9481 snapshot.buffer_snapshot.runnable_ranges(range).collect()
9482 }
9483
9484 fn runnable_rows(
9485 project: Entity<Project>,
9486 snapshot: DisplaySnapshot,
9487 runnable_ranges: Vec<RunnableRange>,
9488 mut cx: AsyncWindowContext,
9489 ) -> Vec<((BufferId, u32), RunnableTasks)> {
9490 runnable_ranges
9491 .into_iter()
9492 .filter_map(|mut runnable| {
9493 let tasks = cx
9494 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
9495 .ok()?;
9496 if tasks.is_empty() {
9497 return None;
9498 }
9499
9500 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
9501
9502 let row = snapshot
9503 .buffer_snapshot
9504 .buffer_line_for_row(MultiBufferRow(point.row))?
9505 .1
9506 .start
9507 .row;
9508
9509 let context_range =
9510 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
9511 Some((
9512 (runnable.buffer_id, row),
9513 RunnableTasks {
9514 templates: tasks,
9515 offset: MultiBufferOffset(runnable.run_range.start),
9516 context_range,
9517 column: point.column,
9518 extra_variables: runnable.extra_captures,
9519 },
9520 ))
9521 })
9522 .collect()
9523 }
9524
9525 fn templates_with_tags(
9526 project: &Entity<Project>,
9527 runnable: &mut Runnable,
9528 cx: &mut App,
9529 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
9530 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
9531 let (worktree_id, file) = project
9532 .buffer_for_id(runnable.buffer, cx)
9533 .and_then(|buffer| buffer.read(cx).file())
9534 .map(|file| (file.worktree_id(cx), file.clone()))
9535 .unzip();
9536
9537 (
9538 project.task_store().read(cx).task_inventory().cloned(),
9539 worktree_id,
9540 file,
9541 )
9542 });
9543
9544 let tags = mem::take(&mut runnable.tags);
9545 let mut tags: Vec<_> = tags
9546 .into_iter()
9547 .flat_map(|tag| {
9548 let tag = tag.0.clone();
9549 inventory
9550 .as_ref()
9551 .into_iter()
9552 .flat_map(|inventory| {
9553 inventory.read(cx).list_tasks(
9554 file.clone(),
9555 Some(runnable.language.clone()),
9556 worktree_id,
9557 cx,
9558 )
9559 })
9560 .filter(move |(_, template)| {
9561 template.tags.iter().any(|source_tag| source_tag == &tag)
9562 })
9563 })
9564 .sorted_by_key(|(kind, _)| kind.to_owned())
9565 .collect();
9566 if let Some((leading_tag_source, _)) = tags.first() {
9567 // Strongest source wins; if we have worktree tag binding, prefer that to
9568 // global and language bindings;
9569 // if we have a global binding, prefer that to language binding.
9570 let first_mismatch = tags
9571 .iter()
9572 .position(|(tag_source, _)| tag_source != leading_tag_source);
9573 if let Some(index) = first_mismatch {
9574 tags.truncate(index);
9575 }
9576 }
9577
9578 tags
9579 }
9580
9581 pub fn move_to_enclosing_bracket(
9582 &mut self,
9583 _: &MoveToEnclosingBracket,
9584 window: &mut Window,
9585 cx: &mut Context<Self>,
9586 ) {
9587 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9588 s.move_offsets_with(|snapshot, selection| {
9589 let Some(enclosing_bracket_ranges) =
9590 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
9591 else {
9592 return;
9593 };
9594
9595 let mut best_length = usize::MAX;
9596 let mut best_inside = false;
9597 let mut best_in_bracket_range = false;
9598 let mut best_destination = None;
9599 for (open, close) in enclosing_bracket_ranges {
9600 let close = close.to_inclusive();
9601 let length = close.end() - open.start;
9602 let inside = selection.start >= open.end && selection.end <= *close.start();
9603 let in_bracket_range = open.to_inclusive().contains(&selection.head())
9604 || close.contains(&selection.head());
9605
9606 // If best is next to a bracket and current isn't, skip
9607 if !in_bracket_range && best_in_bracket_range {
9608 continue;
9609 }
9610
9611 // Prefer smaller lengths unless best is inside and current isn't
9612 if length > best_length && (best_inside || !inside) {
9613 continue;
9614 }
9615
9616 best_length = length;
9617 best_inside = inside;
9618 best_in_bracket_range = in_bracket_range;
9619 best_destination = Some(
9620 if close.contains(&selection.start) && close.contains(&selection.end) {
9621 if inside {
9622 open.end
9623 } else {
9624 open.start
9625 }
9626 } else if inside {
9627 *close.start()
9628 } else {
9629 *close.end()
9630 },
9631 );
9632 }
9633
9634 if let Some(destination) = best_destination {
9635 selection.collapse_to(destination, SelectionGoal::None);
9636 }
9637 })
9638 });
9639 }
9640
9641 pub fn undo_selection(
9642 &mut self,
9643 _: &UndoSelection,
9644 window: &mut Window,
9645 cx: &mut Context<Self>,
9646 ) {
9647 self.end_selection(window, cx);
9648 self.selection_history.mode = SelectionHistoryMode::Undoing;
9649 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
9650 self.change_selections(None, window, cx, |s| {
9651 s.select_anchors(entry.selections.to_vec())
9652 });
9653 self.select_next_state = entry.select_next_state;
9654 self.select_prev_state = entry.select_prev_state;
9655 self.add_selections_state = entry.add_selections_state;
9656 self.request_autoscroll(Autoscroll::newest(), cx);
9657 }
9658 self.selection_history.mode = SelectionHistoryMode::Normal;
9659 }
9660
9661 pub fn redo_selection(
9662 &mut self,
9663 _: &RedoSelection,
9664 window: &mut Window,
9665 cx: &mut Context<Self>,
9666 ) {
9667 self.end_selection(window, cx);
9668 self.selection_history.mode = SelectionHistoryMode::Redoing;
9669 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
9670 self.change_selections(None, window, cx, |s| {
9671 s.select_anchors(entry.selections.to_vec())
9672 });
9673 self.select_next_state = entry.select_next_state;
9674 self.select_prev_state = entry.select_prev_state;
9675 self.add_selections_state = entry.add_selections_state;
9676 self.request_autoscroll(Autoscroll::newest(), cx);
9677 }
9678 self.selection_history.mode = SelectionHistoryMode::Normal;
9679 }
9680
9681 pub fn expand_excerpts(
9682 &mut self,
9683 action: &ExpandExcerpts,
9684 _: &mut Window,
9685 cx: &mut Context<Self>,
9686 ) {
9687 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
9688 }
9689
9690 pub fn expand_excerpts_down(
9691 &mut self,
9692 action: &ExpandExcerptsDown,
9693 _: &mut Window,
9694 cx: &mut Context<Self>,
9695 ) {
9696 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
9697 }
9698
9699 pub fn expand_excerpts_up(
9700 &mut self,
9701 action: &ExpandExcerptsUp,
9702 _: &mut Window,
9703 cx: &mut Context<Self>,
9704 ) {
9705 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
9706 }
9707
9708 pub fn expand_excerpts_for_direction(
9709 &mut self,
9710 lines: u32,
9711 direction: ExpandExcerptDirection,
9712
9713 cx: &mut Context<Self>,
9714 ) {
9715 let selections = self.selections.disjoint_anchors();
9716
9717 let lines = if lines == 0 {
9718 EditorSettings::get_global(cx).expand_excerpt_lines
9719 } else {
9720 lines
9721 };
9722
9723 self.buffer.update(cx, |buffer, cx| {
9724 let snapshot = buffer.snapshot(cx);
9725 let mut excerpt_ids = selections
9726 .iter()
9727 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
9728 .collect::<Vec<_>>();
9729 excerpt_ids.sort();
9730 excerpt_ids.dedup();
9731 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
9732 })
9733 }
9734
9735 pub fn expand_excerpt(
9736 &mut self,
9737 excerpt: ExcerptId,
9738 direction: ExpandExcerptDirection,
9739 cx: &mut Context<Self>,
9740 ) {
9741 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
9742 self.buffer.update(cx, |buffer, cx| {
9743 buffer.expand_excerpts([excerpt], lines, direction, cx)
9744 })
9745 }
9746
9747 pub fn go_to_singleton_buffer_point(
9748 &mut self,
9749 point: Point,
9750 window: &mut Window,
9751 cx: &mut Context<Self>,
9752 ) {
9753 self.go_to_singleton_buffer_range(point..point, window, cx);
9754 }
9755
9756 pub fn go_to_singleton_buffer_range(
9757 &mut self,
9758 range: Range<Point>,
9759 window: &mut Window,
9760 cx: &mut Context<Self>,
9761 ) {
9762 let multibuffer = self.buffer().read(cx);
9763 let Some(buffer) = multibuffer.as_singleton() else {
9764 return;
9765 };
9766 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
9767 return;
9768 };
9769 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
9770 return;
9771 };
9772 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
9773 s.select_anchor_ranges([start..end])
9774 });
9775 }
9776
9777 fn go_to_diagnostic(
9778 &mut self,
9779 _: &GoToDiagnostic,
9780 window: &mut Window,
9781 cx: &mut Context<Self>,
9782 ) {
9783 self.go_to_diagnostic_impl(Direction::Next, window, cx)
9784 }
9785
9786 fn go_to_prev_diagnostic(
9787 &mut self,
9788 _: &GoToPrevDiagnostic,
9789 window: &mut Window,
9790 cx: &mut Context<Self>,
9791 ) {
9792 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
9793 }
9794
9795 pub fn go_to_diagnostic_impl(
9796 &mut self,
9797 direction: Direction,
9798 window: &mut Window,
9799 cx: &mut Context<Self>,
9800 ) {
9801 let buffer = self.buffer.read(cx).snapshot(cx);
9802 let selection = self.selections.newest::<usize>(cx);
9803
9804 // If there is an active Diagnostic Popover jump to its diagnostic instead.
9805 if direction == Direction::Next {
9806 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
9807 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
9808 return;
9809 };
9810 self.activate_diagnostics(
9811 buffer_id,
9812 popover.local_diagnostic.diagnostic.group_id,
9813 window,
9814 cx,
9815 );
9816 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
9817 let primary_range_start = active_diagnostics.primary_range.start;
9818 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9819 let mut new_selection = s.newest_anchor().clone();
9820 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
9821 s.select_anchors(vec![new_selection.clone()]);
9822 });
9823 self.refresh_inline_completion(false, true, window, cx);
9824 }
9825 return;
9826 }
9827 }
9828
9829 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
9830 active_diagnostics
9831 .primary_range
9832 .to_offset(&buffer)
9833 .to_inclusive()
9834 });
9835 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
9836 if active_primary_range.contains(&selection.head()) {
9837 *active_primary_range.start()
9838 } else {
9839 selection.head()
9840 }
9841 } else {
9842 selection.head()
9843 };
9844 let snapshot = self.snapshot(window, cx);
9845 loop {
9846 let mut diagnostics;
9847 if direction == Direction::Prev {
9848 diagnostics = buffer
9849 .diagnostics_in_range::<_, usize>(0..search_start)
9850 .collect::<Vec<_>>();
9851 diagnostics.reverse();
9852 } else {
9853 diagnostics = buffer
9854 .diagnostics_in_range::<_, usize>(search_start..buffer.len())
9855 .collect::<Vec<_>>();
9856 };
9857 let group = diagnostics
9858 .into_iter()
9859 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
9860 // relies on diagnostics_in_range to return diagnostics with the same starting range to
9861 // be sorted in a stable way
9862 // skip until we are at current active diagnostic, if it exists
9863 .skip_while(|entry| {
9864 let is_in_range = match direction {
9865 Direction::Prev => entry.range.end > search_start,
9866 Direction::Next => entry.range.start < search_start,
9867 };
9868 is_in_range
9869 && self
9870 .active_diagnostics
9871 .as_ref()
9872 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
9873 })
9874 .find_map(|entry| {
9875 if entry.diagnostic.is_primary
9876 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
9877 && entry.range.start != entry.range.end
9878 // if we match with the active diagnostic, skip it
9879 && Some(entry.diagnostic.group_id)
9880 != self.active_diagnostics.as_ref().map(|d| d.group_id)
9881 {
9882 Some((entry.range, entry.diagnostic.group_id))
9883 } else {
9884 None
9885 }
9886 });
9887
9888 if let Some((primary_range, group_id)) = group {
9889 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
9890 return;
9891 };
9892 self.activate_diagnostics(buffer_id, group_id, window, cx);
9893 if self.active_diagnostics.is_some() {
9894 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9895 s.select(vec![Selection {
9896 id: selection.id,
9897 start: primary_range.start,
9898 end: primary_range.start,
9899 reversed: false,
9900 goal: SelectionGoal::None,
9901 }]);
9902 });
9903 self.refresh_inline_completion(false, true, window, cx);
9904 }
9905 break;
9906 } else {
9907 // Cycle around to the start of the buffer, potentially moving back to the start of
9908 // the currently active diagnostic.
9909 active_primary_range.take();
9910 if direction == Direction::Prev {
9911 if search_start == buffer.len() {
9912 break;
9913 } else {
9914 search_start = buffer.len();
9915 }
9916 } else if search_start == 0 {
9917 break;
9918 } else {
9919 search_start = 0;
9920 }
9921 }
9922 }
9923 }
9924
9925 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
9926 let snapshot = self.snapshot(window, cx);
9927 let selection = self.selections.newest::<Point>(cx);
9928 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
9929 }
9930
9931 fn go_to_hunk_after_position(
9932 &mut self,
9933 snapshot: &EditorSnapshot,
9934 position: Point,
9935 window: &mut Window,
9936 cx: &mut Context<Editor>,
9937 ) -> Option<MultiBufferDiffHunk> {
9938 let mut hunk = snapshot
9939 .buffer_snapshot
9940 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
9941 .find(|hunk| hunk.row_range.start.0 > position.row);
9942 if hunk.is_none() {
9943 hunk = snapshot
9944 .buffer_snapshot
9945 .diff_hunks_in_range(Point::zero()..position)
9946 .find(|hunk| hunk.row_range.end.0 < position.row)
9947 }
9948 if let Some(hunk) = &hunk {
9949 let destination = Point::new(hunk.row_range.start.0, 0);
9950 self.unfold_ranges(&[destination..destination], false, false, cx);
9951 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9952 s.select_ranges(vec![destination..destination]);
9953 });
9954 }
9955
9956 hunk
9957 }
9958
9959 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
9960 let snapshot = self.snapshot(window, cx);
9961 let selection = self.selections.newest::<Point>(cx);
9962 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
9963 }
9964
9965 fn go_to_hunk_before_position(
9966 &mut self,
9967 snapshot: &EditorSnapshot,
9968 position: Point,
9969 window: &mut Window,
9970 cx: &mut Context<Editor>,
9971 ) -> Option<MultiBufferDiffHunk> {
9972 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
9973 if hunk.is_none() {
9974 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
9975 }
9976 if let Some(hunk) = &hunk {
9977 let destination = Point::new(hunk.row_range.start.0, 0);
9978 self.unfold_ranges(&[destination..destination], false, false, cx);
9979 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9980 s.select_ranges(vec![destination..destination]);
9981 });
9982 }
9983
9984 hunk
9985 }
9986
9987 pub fn go_to_definition(
9988 &mut self,
9989 _: &GoToDefinition,
9990 window: &mut Window,
9991 cx: &mut Context<Self>,
9992 ) -> Task<Result<Navigated>> {
9993 let definition =
9994 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
9995 cx.spawn_in(window, |editor, mut cx| async move {
9996 if definition.await? == Navigated::Yes {
9997 return Ok(Navigated::Yes);
9998 }
9999 match editor.update_in(&mut cx, |editor, window, cx| {
10000 editor.find_all_references(&FindAllReferences, window, cx)
10001 })? {
10002 Some(references) => references.await,
10003 None => Ok(Navigated::No),
10004 }
10005 })
10006 }
10007
10008 pub fn go_to_declaration(
10009 &mut self,
10010 _: &GoToDeclaration,
10011 window: &mut Window,
10012 cx: &mut Context<Self>,
10013 ) -> Task<Result<Navigated>> {
10014 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10015 }
10016
10017 pub fn go_to_declaration_split(
10018 &mut self,
10019 _: &GoToDeclaration,
10020 window: &mut Window,
10021 cx: &mut Context<Self>,
10022 ) -> Task<Result<Navigated>> {
10023 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10024 }
10025
10026 pub fn go_to_implementation(
10027 &mut self,
10028 _: &GoToImplementation,
10029 window: &mut Window,
10030 cx: &mut Context<Self>,
10031 ) -> Task<Result<Navigated>> {
10032 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10033 }
10034
10035 pub fn go_to_implementation_split(
10036 &mut self,
10037 _: &GoToImplementationSplit,
10038 window: &mut Window,
10039 cx: &mut Context<Self>,
10040 ) -> Task<Result<Navigated>> {
10041 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10042 }
10043
10044 pub fn go_to_type_definition(
10045 &mut self,
10046 _: &GoToTypeDefinition,
10047 window: &mut Window,
10048 cx: &mut Context<Self>,
10049 ) -> Task<Result<Navigated>> {
10050 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10051 }
10052
10053 pub fn go_to_definition_split(
10054 &mut self,
10055 _: &GoToDefinitionSplit,
10056 window: &mut Window,
10057 cx: &mut Context<Self>,
10058 ) -> Task<Result<Navigated>> {
10059 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10060 }
10061
10062 pub fn go_to_type_definition_split(
10063 &mut self,
10064 _: &GoToTypeDefinitionSplit,
10065 window: &mut Window,
10066 cx: &mut Context<Self>,
10067 ) -> Task<Result<Navigated>> {
10068 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10069 }
10070
10071 fn go_to_definition_of_kind(
10072 &mut self,
10073 kind: GotoDefinitionKind,
10074 split: bool,
10075 window: &mut Window,
10076 cx: &mut Context<Self>,
10077 ) -> Task<Result<Navigated>> {
10078 let Some(provider) = self.semantics_provider.clone() else {
10079 return Task::ready(Ok(Navigated::No));
10080 };
10081 let head = self.selections.newest::<usize>(cx).head();
10082 let buffer = self.buffer.read(cx);
10083 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10084 text_anchor
10085 } else {
10086 return Task::ready(Ok(Navigated::No));
10087 };
10088
10089 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10090 return Task::ready(Ok(Navigated::No));
10091 };
10092
10093 cx.spawn_in(window, |editor, mut cx| async move {
10094 let definitions = definitions.await?;
10095 let navigated = editor
10096 .update_in(&mut cx, |editor, window, cx| {
10097 editor.navigate_to_hover_links(
10098 Some(kind),
10099 definitions
10100 .into_iter()
10101 .filter(|location| {
10102 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10103 })
10104 .map(HoverLink::Text)
10105 .collect::<Vec<_>>(),
10106 split,
10107 window,
10108 cx,
10109 )
10110 })?
10111 .await?;
10112 anyhow::Ok(navigated)
10113 })
10114 }
10115
10116 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10117 let selection = self.selections.newest_anchor();
10118 let head = selection.head();
10119 let tail = selection.tail();
10120
10121 let Some((buffer, start_position)) =
10122 self.buffer.read(cx).text_anchor_for_position(head, cx)
10123 else {
10124 return;
10125 };
10126
10127 let end_position = if head != tail {
10128 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10129 return;
10130 };
10131 Some(pos)
10132 } else {
10133 None
10134 };
10135
10136 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10137 let url = if let Some(end_pos) = end_position {
10138 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10139 } else {
10140 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10141 };
10142
10143 if let Some(url) = url {
10144 editor.update(&mut cx, |_, cx| {
10145 cx.open_url(&url);
10146 })
10147 } else {
10148 Ok(())
10149 }
10150 });
10151
10152 url_finder.detach();
10153 }
10154
10155 pub fn open_selected_filename(
10156 &mut self,
10157 _: &OpenSelectedFilename,
10158 window: &mut Window,
10159 cx: &mut Context<Self>,
10160 ) {
10161 let Some(workspace) = self.workspace() else {
10162 return;
10163 };
10164
10165 let position = self.selections.newest_anchor().head();
10166
10167 let Some((buffer, buffer_position)) =
10168 self.buffer.read(cx).text_anchor_for_position(position, cx)
10169 else {
10170 return;
10171 };
10172
10173 let project = self.project.clone();
10174
10175 cx.spawn_in(window, |_, mut cx| async move {
10176 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10177
10178 if let Some((_, path)) = result {
10179 workspace
10180 .update_in(&mut cx, |workspace, window, cx| {
10181 workspace.open_resolved_path(path, window, cx)
10182 })?
10183 .await?;
10184 }
10185 anyhow::Ok(())
10186 })
10187 .detach();
10188 }
10189
10190 pub(crate) fn navigate_to_hover_links(
10191 &mut self,
10192 kind: Option<GotoDefinitionKind>,
10193 mut definitions: Vec<HoverLink>,
10194 split: bool,
10195 window: &mut Window,
10196 cx: &mut Context<Editor>,
10197 ) -> Task<Result<Navigated>> {
10198 // If there is one definition, just open it directly
10199 if definitions.len() == 1 {
10200 let definition = definitions.pop().unwrap();
10201
10202 enum TargetTaskResult {
10203 Location(Option<Location>),
10204 AlreadyNavigated,
10205 }
10206
10207 let target_task = match definition {
10208 HoverLink::Text(link) => {
10209 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10210 }
10211 HoverLink::InlayHint(lsp_location, server_id) => {
10212 let computation =
10213 self.compute_target_location(lsp_location, server_id, window, cx);
10214 cx.background_executor().spawn(async move {
10215 let location = computation.await?;
10216 Ok(TargetTaskResult::Location(location))
10217 })
10218 }
10219 HoverLink::Url(url) => {
10220 cx.open_url(&url);
10221 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10222 }
10223 HoverLink::File(path) => {
10224 if let Some(workspace) = self.workspace() {
10225 cx.spawn_in(window, |_, mut cx| async move {
10226 workspace
10227 .update_in(&mut cx, |workspace, window, cx| {
10228 workspace.open_resolved_path(path, window, cx)
10229 })?
10230 .await
10231 .map(|_| TargetTaskResult::AlreadyNavigated)
10232 })
10233 } else {
10234 Task::ready(Ok(TargetTaskResult::Location(None)))
10235 }
10236 }
10237 };
10238 cx.spawn_in(window, |editor, mut cx| async move {
10239 let target = match target_task.await.context("target resolution task")? {
10240 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10241 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10242 TargetTaskResult::Location(Some(target)) => target,
10243 };
10244
10245 editor.update_in(&mut cx, |editor, window, cx| {
10246 let Some(workspace) = editor.workspace() else {
10247 return Navigated::No;
10248 };
10249 let pane = workspace.read(cx).active_pane().clone();
10250
10251 let range = target.range.to_point(target.buffer.read(cx));
10252 let range = editor.range_for_match(&range);
10253 let range = collapse_multiline_range(range);
10254
10255 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10256 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10257 } else {
10258 window.defer(cx, move |window, cx| {
10259 let target_editor: Entity<Self> =
10260 workspace.update(cx, |workspace, cx| {
10261 let pane = if split {
10262 workspace.adjacent_pane(window, cx)
10263 } else {
10264 workspace.active_pane().clone()
10265 };
10266
10267 workspace.open_project_item(
10268 pane,
10269 target.buffer.clone(),
10270 true,
10271 true,
10272 window,
10273 cx,
10274 )
10275 });
10276 target_editor.update(cx, |target_editor, cx| {
10277 // When selecting a definition in a different buffer, disable the nav history
10278 // to avoid creating a history entry at the previous cursor location.
10279 pane.update(cx, |pane, _| pane.disable_history());
10280 target_editor.go_to_singleton_buffer_range(range, window, cx);
10281 pane.update(cx, |pane, _| pane.enable_history());
10282 });
10283 });
10284 }
10285 Navigated::Yes
10286 })
10287 })
10288 } else if !definitions.is_empty() {
10289 cx.spawn_in(window, |editor, mut cx| async move {
10290 let (title, location_tasks, workspace) = editor
10291 .update_in(&mut cx, |editor, window, cx| {
10292 let tab_kind = match kind {
10293 Some(GotoDefinitionKind::Implementation) => "Implementations",
10294 _ => "Definitions",
10295 };
10296 let title = definitions
10297 .iter()
10298 .find_map(|definition| match definition {
10299 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10300 let buffer = origin.buffer.read(cx);
10301 format!(
10302 "{} for {}",
10303 tab_kind,
10304 buffer
10305 .text_for_range(origin.range.clone())
10306 .collect::<String>()
10307 )
10308 }),
10309 HoverLink::InlayHint(_, _) => None,
10310 HoverLink::Url(_) => None,
10311 HoverLink::File(_) => None,
10312 })
10313 .unwrap_or(tab_kind.to_string());
10314 let location_tasks = definitions
10315 .into_iter()
10316 .map(|definition| match definition {
10317 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10318 HoverLink::InlayHint(lsp_location, server_id) => editor
10319 .compute_target_location(lsp_location, server_id, window, cx),
10320 HoverLink::Url(_) => Task::ready(Ok(None)),
10321 HoverLink::File(_) => Task::ready(Ok(None)),
10322 })
10323 .collect::<Vec<_>>();
10324 (title, location_tasks, editor.workspace().clone())
10325 })
10326 .context("location tasks preparation")?;
10327
10328 let locations = future::join_all(location_tasks)
10329 .await
10330 .into_iter()
10331 .filter_map(|location| location.transpose())
10332 .collect::<Result<_>>()
10333 .context("location tasks")?;
10334
10335 let Some(workspace) = workspace else {
10336 return Ok(Navigated::No);
10337 };
10338 let opened = workspace
10339 .update_in(&mut cx, |workspace, window, cx| {
10340 Self::open_locations_in_multibuffer(
10341 workspace,
10342 locations,
10343 title,
10344 split,
10345 MultibufferSelectionMode::First,
10346 window,
10347 cx,
10348 )
10349 })
10350 .ok();
10351
10352 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10353 })
10354 } else {
10355 Task::ready(Ok(Navigated::No))
10356 }
10357 }
10358
10359 fn compute_target_location(
10360 &self,
10361 lsp_location: lsp::Location,
10362 server_id: LanguageServerId,
10363 window: &mut Window,
10364 cx: &mut Context<Self>,
10365 ) -> Task<anyhow::Result<Option<Location>>> {
10366 let Some(project) = self.project.clone() else {
10367 return Task::ready(Ok(None));
10368 };
10369
10370 cx.spawn_in(window, move |editor, mut cx| async move {
10371 let location_task = editor.update(&mut cx, |_, cx| {
10372 project.update(cx, |project, cx| {
10373 let language_server_name = project
10374 .language_server_statuses(cx)
10375 .find(|(id, _)| server_id == *id)
10376 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10377 language_server_name.map(|language_server_name| {
10378 project.open_local_buffer_via_lsp(
10379 lsp_location.uri.clone(),
10380 server_id,
10381 language_server_name,
10382 cx,
10383 )
10384 })
10385 })
10386 })?;
10387 let location = match location_task {
10388 Some(task) => Some({
10389 let target_buffer_handle = task.await.context("open local buffer")?;
10390 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10391 let target_start = target_buffer
10392 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10393 let target_end = target_buffer
10394 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10395 target_buffer.anchor_after(target_start)
10396 ..target_buffer.anchor_before(target_end)
10397 })?;
10398 Location {
10399 buffer: target_buffer_handle,
10400 range,
10401 }
10402 }),
10403 None => None,
10404 };
10405 Ok(location)
10406 })
10407 }
10408
10409 pub fn find_all_references(
10410 &mut self,
10411 _: &FindAllReferences,
10412 window: &mut Window,
10413 cx: &mut Context<Self>,
10414 ) -> Option<Task<Result<Navigated>>> {
10415 let selection = self.selections.newest::<usize>(cx);
10416 let multi_buffer = self.buffer.read(cx);
10417 let head = selection.head();
10418
10419 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
10420 let head_anchor = multi_buffer_snapshot.anchor_at(
10421 head,
10422 if head < selection.tail() {
10423 Bias::Right
10424 } else {
10425 Bias::Left
10426 },
10427 );
10428
10429 match self
10430 .find_all_references_task_sources
10431 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
10432 {
10433 Ok(_) => {
10434 log::info!(
10435 "Ignoring repeated FindAllReferences invocation with the position of already running task"
10436 );
10437 return None;
10438 }
10439 Err(i) => {
10440 self.find_all_references_task_sources.insert(i, head_anchor);
10441 }
10442 }
10443
10444 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
10445 let workspace = self.workspace()?;
10446 let project = workspace.read(cx).project().clone();
10447 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
10448 Some(cx.spawn_in(window, |editor, mut cx| async move {
10449 let _cleanup = defer({
10450 let mut cx = cx.clone();
10451 move || {
10452 let _ = editor.update(&mut cx, |editor, _| {
10453 if let Ok(i) =
10454 editor
10455 .find_all_references_task_sources
10456 .binary_search_by(|anchor| {
10457 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
10458 })
10459 {
10460 editor.find_all_references_task_sources.remove(i);
10461 }
10462 });
10463 }
10464 });
10465
10466 let locations = references.await?;
10467 if locations.is_empty() {
10468 return anyhow::Ok(Navigated::No);
10469 }
10470
10471 workspace.update_in(&mut cx, |workspace, window, cx| {
10472 let title = locations
10473 .first()
10474 .as_ref()
10475 .map(|location| {
10476 let buffer = location.buffer.read(cx);
10477 format!(
10478 "References to `{}`",
10479 buffer
10480 .text_for_range(location.range.clone())
10481 .collect::<String>()
10482 )
10483 })
10484 .unwrap();
10485 Self::open_locations_in_multibuffer(
10486 workspace,
10487 locations,
10488 title,
10489 false,
10490 MultibufferSelectionMode::First,
10491 window,
10492 cx,
10493 );
10494 Navigated::Yes
10495 })
10496 }))
10497 }
10498
10499 /// Opens a multibuffer with the given project locations in it
10500 pub fn open_locations_in_multibuffer(
10501 workspace: &mut Workspace,
10502 mut locations: Vec<Location>,
10503 title: String,
10504 split: bool,
10505 multibuffer_selection_mode: MultibufferSelectionMode,
10506 window: &mut Window,
10507 cx: &mut Context<Workspace>,
10508 ) {
10509 // If there are multiple definitions, open them in a multibuffer
10510 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
10511 let mut locations = locations.into_iter().peekable();
10512 let mut ranges = Vec::new();
10513 let capability = workspace.project().read(cx).capability();
10514
10515 let excerpt_buffer = cx.new(|cx| {
10516 let mut multibuffer = MultiBuffer::new(capability);
10517 while let Some(location) = locations.next() {
10518 let buffer = location.buffer.read(cx);
10519 let mut ranges_for_buffer = Vec::new();
10520 let range = location.range.to_offset(buffer);
10521 ranges_for_buffer.push(range.clone());
10522
10523 while let Some(next_location) = locations.peek() {
10524 if next_location.buffer == location.buffer {
10525 ranges_for_buffer.push(next_location.range.to_offset(buffer));
10526 locations.next();
10527 } else {
10528 break;
10529 }
10530 }
10531
10532 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
10533 ranges.extend(multibuffer.push_excerpts_with_context_lines(
10534 location.buffer.clone(),
10535 ranges_for_buffer,
10536 DEFAULT_MULTIBUFFER_CONTEXT,
10537 cx,
10538 ))
10539 }
10540
10541 multibuffer.with_title(title)
10542 });
10543
10544 let editor = cx.new(|cx| {
10545 Editor::for_multibuffer(
10546 excerpt_buffer,
10547 Some(workspace.project().clone()),
10548 true,
10549 window,
10550 cx,
10551 )
10552 });
10553 editor.update(cx, |editor, cx| {
10554 match multibuffer_selection_mode {
10555 MultibufferSelectionMode::First => {
10556 if let Some(first_range) = ranges.first() {
10557 editor.change_selections(None, window, cx, |selections| {
10558 selections.clear_disjoint();
10559 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
10560 });
10561 }
10562 editor.highlight_background::<Self>(
10563 &ranges,
10564 |theme| theme.editor_highlighted_line_background,
10565 cx,
10566 );
10567 }
10568 MultibufferSelectionMode::All => {
10569 editor.change_selections(None, window, cx, |selections| {
10570 selections.clear_disjoint();
10571 selections.select_anchor_ranges(ranges);
10572 });
10573 }
10574 }
10575 editor.register_buffers_with_language_servers(cx);
10576 });
10577
10578 let item = Box::new(editor);
10579 let item_id = item.item_id();
10580
10581 if split {
10582 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
10583 } else {
10584 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
10585 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
10586 pane.close_current_preview_item(window, cx)
10587 } else {
10588 None
10589 }
10590 });
10591 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
10592 }
10593 workspace.active_pane().update(cx, |pane, cx| {
10594 pane.set_preview_item_id(Some(item_id), cx);
10595 });
10596 }
10597
10598 pub fn rename(
10599 &mut self,
10600 _: &Rename,
10601 window: &mut Window,
10602 cx: &mut Context<Self>,
10603 ) -> Option<Task<Result<()>>> {
10604 use language::ToOffset as _;
10605
10606 let provider = self.semantics_provider.clone()?;
10607 let selection = self.selections.newest_anchor().clone();
10608 let (cursor_buffer, cursor_buffer_position) = self
10609 .buffer
10610 .read(cx)
10611 .text_anchor_for_position(selection.head(), cx)?;
10612 let (tail_buffer, cursor_buffer_position_end) = self
10613 .buffer
10614 .read(cx)
10615 .text_anchor_for_position(selection.tail(), cx)?;
10616 if tail_buffer != cursor_buffer {
10617 return None;
10618 }
10619
10620 let snapshot = cursor_buffer.read(cx).snapshot();
10621 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
10622 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
10623 let prepare_rename = provider
10624 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
10625 .unwrap_or_else(|| Task::ready(Ok(None)));
10626 drop(snapshot);
10627
10628 Some(cx.spawn_in(window, |this, mut cx| async move {
10629 let rename_range = if let Some(range) = prepare_rename.await? {
10630 Some(range)
10631 } else {
10632 this.update(&mut cx, |this, cx| {
10633 let buffer = this.buffer.read(cx).snapshot(cx);
10634 let mut buffer_highlights = this
10635 .document_highlights_for_position(selection.head(), &buffer)
10636 .filter(|highlight| {
10637 highlight.start.excerpt_id == selection.head().excerpt_id
10638 && highlight.end.excerpt_id == selection.head().excerpt_id
10639 });
10640 buffer_highlights
10641 .next()
10642 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
10643 })?
10644 };
10645 if let Some(rename_range) = rename_range {
10646 this.update_in(&mut cx, |this, window, cx| {
10647 let snapshot = cursor_buffer.read(cx).snapshot();
10648 let rename_buffer_range = rename_range.to_offset(&snapshot);
10649 let cursor_offset_in_rename_range =
10650 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
10651 let cursor_offset_in_rename_range_end =
10652 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
10653
10654 this.take_rename(false, window, cx);
10655 let buffer = this.buffer.read(cx).read(cx);
10656 let cursor_offset = selection.head().to_offset(&buffer);
10657 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
10658 let rename_end = rename_start + rename_buffer_range.len();
10659 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
10660 let mut old_highlight_id = None;
10661 let old_name: Arc<str> = buffer
10662 .chunks(rename_start..rename_end, true)
10663 .map(|chunk| {
10664 if old_highlight_id.is_none() {
10665 old_highlight_id = chunk.syntax_highlight_id;
10666 }
10667 chunk.text
10668 })
10669 .collect::<String>()
10670 .into();
10671
10672 drop(buffer);
10673
10674 // Position the selection in the rename editor so that it matches the current selection.
10675 this.show_local_selections = false;
10676 let rename_editor = cx.new(|cx| {
10677 let mut editor = Editor::single_line(window, cx);
10678 editor.buffer.update(cx, |buffer, cx| {
10679 buffer.edit([(0..0, old_name.clone())], None, cx)
10680 });
10681 let rename_selection_range = match cursor_offset_in_rename_range
10682 .cmp(&cursor_offset_in_rename_range_end)
10683 {
10684 Ordering::Equal => {
10685 editor.select_all(&SelectAll, window, cx);
10686 return editor;
10687 }
10688 Ordering::Less => {
10689 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
10690 }
10691 Ordering::Greater => {
10692 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
10693 }
10694 };
10695 if rename_selection_range.end > old_name.len() {
10696 editor.select_all(&SelectAll, window, cx);
10697 } else {
10698 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10699 s.select_ranges([rename_selection_range]);
10700 });
10701 }
10702 editor
10703 });
10704 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
10705 if e == &EditorEvent::Focused {
10706 cx.emit(EditorEvent::FocusedIn)
10707 }
10708 })
10709 .detach();
10710
10711 let write_highlights =
10712 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
10713 let read_highlights =
10714 this.clear_background_highlights::<DocumentHighlightRead>(cx);
10715 let ranges = write_highlights
10716 .iter()
10717 .flat_map(|(_, ranges)| ranges.iter())
10718 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
10719 .cloned()
10720 .collect();
10721
10722 this.highlight_text::<Rename>(
10723 ranges,
10724 HighlightStyle {
10725 fade_out: Some(0.6),
10726 ..Default::default()
10727 },
10728 cx,
10729 );
10730 let rename_focus_handle = rename_editor.focus_handle(cx);
10731 window.focus(&rename_focus_handle);
10732 let block_id = this.insert_blocks(
10733 [BlockProperties {
10734 style: BlockStyle::Flex,
10735 placement: BlockPlacement::Below(range.start),
10736 height: 1,
10737 render: Arc::new({
10738 let rename_editor = rename_editor.clone();
10739 move |cx: &mut BlockContext| {
10740 let mut text_style = cx.editor_style.text.clone();
10741 if let Some(highlight_style) = old_highlight_id
10742 .and_then(|h| h.style(&cx.editor_style.syntax))
10743 {
10744 text_style = text_style.highlight(highlight_style);
10745 }
10746 div()
10747 .block_mouse_down()
10748 .pl(cx.anchor_x)
10749 .child(EditorElement::new(
10750 &rename_editor,
10751 EditorStyle {
10752 background: cx.theme().system().transparent,
10753 local_player: cx.editor_style.local_player,
10754 text: text_style,
10755 scrollbar_width: cx.editor_style.scrollbar_width,
10756 syntax: cx.editor_style.syntax.clone(),
10757 status: cx.editor_style.status.clone(),
10758 inlay_hints_style: HighlightStyle {
10759 font_weight: Some(FontWeight::BOLD),
10760 ..make_inlay_hints_style(cx.app)
10761 },
10762 inline_completion_styles: make_suggestion_styles(
10763 cx.app,
10764 ),
10765 ..EditorStyle::default()
10766 },
10767 ))
10768 .into_any_element()
10769 }
10770 }),
10771 priority: 0,
10772 }],
10773 Some(Autoscroll::fit()),
10774 cx,
10775 )[0];
10776 this.pending_rename = Some(RenameState {
10777 range,
10778 old_name,
10779 editor: rename_editor,
10780 block_id,
10781 });
10782 })?;
10783 }
10784
10785 Ok(())
10786 }))
10787 }
10788
10789 pub fn confirm_rename(
10790 &mut self,
10791 _: &ConfirmRename,
10792 window: &mut Window,
10793 cx: &mut Context<Self>,
10794 ) -> Option<Task<Result<()>>> {
10795 let rename = self.take_rename(false, window, cx)?;
10796 let workspace = self.workspace()?.downgrade();
10797 let (buffer, start) = self
10798 .buffer
10799 .read(cx)
10800 .text_anchor_for_position(rename.range.start, cx)?;
10801 let (end_buffer, _) = self
10802 .buffer
10803 .read(cx)
10804 .text_anchor_for_position(rename.range.end, cx)?;
10805 if buffer != end_buffer {
10806 return None;
10807 }
10808
10809 let old_name = rename.old_name;
10810 let new_name = rename.editor.read(cx).text(cx);
10811
10812 let rename = self.semantics_provider.as_ref()?.perform_rename(
10813 &buffer,
10814 start,
10815 new_name.clone(),
10816 cx,
10817 )?;
10818
10819 Some(cx.spawn_in(window, |editor, mut cx| async move {
10820 let project_transaction = rename.await?;
10821 Self::open_project_transaction(
10822 &editor,
10823 workspace,
10824 project_transaction,
10825 format!("Rename: {} → {}", old_name, new_name),
10826 cx.clone(),
10827 )
10828 .await?;
10829
10830 editor.update(&mut cx, |editor, cx| {
10831 editor.refresh_document_highlights(cx);
10832 })?;
10833 Ok(())
10834 }))
10835 }
10836
10837 fn take_rename(
10838 &mut self,
10839 moving_cursor: bool,
10840 window: &mut Window,
10841 cx: &mut Context<Self>,
10842 ) -> Option<RenameState> {
10843 let rename = self.pending_rename.take()?;
10844 if rename.editor.focus_handle(cx).is_focused(window) {
10845 window.focus(&self.focus_handle);
10846 }
10847
10848 self.remove_blocks(
10849 [rename.block_id].into_iter().collect(),
10850 Some(Autoscroll::fit()),
10851 cx,
10852 );
10853 self.clear_highlights::<Rename>(cx);
10854 self.show_local_selections = true;
10855
10856 if moving_cursor {
10857 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
10858 editor.selections.newest::<usize>(cx).head()
10859 });
10860
10861 // Update the selection to match the position of the selection inside
10862 // the rename editor.
10863 let snapshot = self.buffer.read(cx).read(cx);
10864 let rename_range = rename.range.to_offset(&snapshot);
10865 let cursor_in_editor = snapshot
10866 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
10867 .min(rename_range.end);
10868 drop(snapshot);
10869
10870 self.change_selections(None, window, cx, |s| {
10871 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
10872 });
10873 } else {
10874 self.refresh_document_highlights(cx);
10875 }
10876
10877 Some(rename)
10878 }
10879
10880 pub fn pending_rename(&self) -> Option<&RenameState> {
10881 self.pending_rename.as_ref()
10882 }
10883
10884 fn format(
10885 &mut self,
10886 _: &Format,
10887 window: &mut Window,
10888 cx: &mut Context<Self>,
10889 ) -> Option<Task<Result<()>>> {
10890 let project = match &self.project {
10891 Some(project) => project.clone(),
10892 None => return None,
10893 };
10894
10895 Some(self.perform_format(
10896 project,
10897 FormatTrigger::Manual,
10898 FormatTarget::Buffers,
10899 window,
10900 cx,
10901 ))
10902 }
10903
10904 fn format_selections(
10905 &mut self,
10906 _: &FormatSelections,
10907 window: &mut Window,
10908 cx: &mut Context<Self>,
10909 ) -> Option<Task<Result<()>>> {
10910 let project = match &self.project {
10911 Some(project) => project.clone(),
10912 None => return None,
10913 };
10914
10915 let ranges = self
10916 .selections
10917 .all_adjusted(cx)
10918 .into_iter()
10919 .map(|selection| selection.range())
10920 .collect_vec();
10921
10922 Some(self.perform_format(
10923 project,
10924 FormatTrigger::Manual,
10925 FormatTarget::Ranges(ranges),
10926 window,
10927 cx,
10928 ))
10929 }
10930
10931 fn perform_format(
10932 &mut self,
10933 project: Entity<Project>,
10934 trigger: FormatTrigger,
10935 target: FormatTarget,
10936 window: &mut Window,
10937 cx: &mut Context<Self>,
10938 ) -> Task<Result<()>> {
10939 let buffer = self.buffer.clone();
10940 let (buffers, target) = match target {
10941 FormatTarget::Buffers => {
10942 let mut buffers = buffer.read(cx).all_buffers();
10943 if trigger == FormatTrigger::Save {
10944 buffers.retain(|buffer| buffer.read(cx).is_dirty());
10945 }
10946 (buffers, LspFormatTarget::Buffers)
10947 }
10948 FormatTarget::Ranges(selection_ranges) => {
10949 let multi_buffer = buffer.read(cx);
10950 let snapshot = multi_buffer.read(cx);
10951 let mut buffers = HashSet::default();
10952 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
10953 BTreeMap::new();
10954 for selection_range in selection_ranges {
10955 for (buffer, buffer_range, _) in
10956 snapshot.range_to_buffer_ranges(selection_range)
10957 {
10958 let buffer_id = buffer.remote_id();
10959 let start = buffer.anchor_before(buffer_range.start);
10960 let end = buffer.anchor_after(buffer_range.end);
10961 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
10962 buffer_id_to_ranges
10963 .entry(buffer_id)
10964 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
10965 .or_insert_with(|| vec![start..end]);
10966 }
10967 }
10968 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
10969 }
10970 };
10971
10972 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
10973 let format = project.update(cx, |project, cx| {
10974 project.format(buffers, target, true, trigger, cx)
10975 });
10976
10977 cx.spawn_in(window, |_, mut cx| async move {
10978 let transaction = futures::select_biased! {
10979 () = timeout => {
10980 log::warn!("timed out waiting for formatting");
10981 None
10982 }
10983 transaction = format.log_err().fuse() => transaction,
10984 };
10985
10986 buffer
10987 .update(&mut cx, |buffer, cx| {
10988 if let Some(transaction) = transaction {
10989 if !buffer.is_singleton() {
10990 buffer.push_transaction(&transaction.0, cx);
10991 }
10992 }
10993
10994 cx.notify();
10995 })
10996 .ok();
10997
10998 Ok(())
10999 })
11000 }
11001
11002 fn restart_language_server(
11003 &mut self,
11004 _: &RestartLanguageServer,
11005 _: &mut Window,
11006 cx: &mut Context<Self>,
11007 ) {
11008 if let Some(project) = self.project.clone() {
11009 self.buffer.update(cx, |multi_buffer, cx| {
11010 project.update(cx, |project, cx| {
11011 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11012 });
11013 })
11014 }
11015 }
11016
11017 fn cancel_language_server_work(
11018 &mut self,
11019 _: &actions::CancelLanguageServerWork,
11020 _: &mut Window,
11021 cx: &mut Context<Self>,
11022 ) {
11023 if let Some(project) = self.project.clone() {
11024 self.buffer.update(cx, |multi_buffer, cx| {
11025 project.update(cx, |project, cx| {
11026 project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
11027 });
11028 })
11029 }
11030 }
11031
11032 fn show_character_palette(
11033 &mut self,
11034 _: &ShowCharacterPalette,
11035 window: &mut Window,
11036 _: &mut Context<Self>,
11037 ) {
11038 window.show_character_palette();
11039 }
11040
11041 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11042 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11043 let buffer = self.buffer.read(cx).snapshot(cx);
11044 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11045 let is_valid = buffer
11046 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone())
11047 .any(|entry| {
11048 entry.diagnostic.is_primary
11049 && !entry.range.is_empty()
11050 && entry.range.start == primary_range_start
11051 && entry.diagnostic.message == active_diagnostics.primary_message
11052 });
11053
11054 if is_valid != active_diagnostics.is_valid {
11055 active_diagnostics.is_valid = is_valid;
11056 let mut new_styles = HashMap::default();
11057 for (block_id, diagnostic) in &active_diagnostics.blocks {
11058 new_styles.insert(
11059 *block_id,
11060 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11061 );
11062 }
11063 self.display_map.update(cx, |display_map, _cx| {
11064 display_map.replace_blocks(new_styles)
11065 });
11066 }
11067 }
11068 }
11069
11070 fn activate_diagnostics(
11071 &mut self,
11072 buffer_id: BufferId,
11073 group_id: usize,
11074 window: &mut Window,
11075 cx: &mut Context<Self>,
11076 ) {
11077 self.dismiss_diagnostics(cx);
11078 let snapshot = self.snapshot(window, cx);
11079 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11080 let buffer = self.buffer.read(cx).snapshot(cx);
11081
11082 let mut primary_range = None;
11083 let mut primary_message = None;
11084 let diagnostic_group = buffer
11085 .diagnostic_group(buffer_id, group_id)
11086 .filter_map(|entry| {
11087 let start = entry.range.start;
11088 let end = entry.range.end;
11089 if snapshot.is_line_folded(MultiBufferRow(start.row))
11090 && (start.row == end.row
11091 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11092 {
11093 return None;
11094 }
11095 if entry.diagnostic.is_primary {
11096 primary_range = Some(entry.range.clone());
11097 primary_message = Some(entry.diagnostic.message.clone());
11098 }
11099 Some(entry)
11100 })
11101 .collect::<Vec<_>>();
11102 let primary_range = primary_range?;
11103 let primary_message = primary_message?;
11104
11105 let blocks = display_map
11106 .insert_blocks(
11107 diagnostic_group.iter().map(|entry| {
11108 let diagnostic = entry.diagnostic.clone();
11109 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11110 BlockProperties {
11111 style: BlockStyle::Fixed,
11112 placement: BlockPlacement::Below(
11113 buffer.anchor_after(entry.range.start),
11114 ),
11115 height: message_height,
11116 render: diagnostic_block_renderer(diagnostic, None, true, true),
11117 priority: 0,
11118 }
11119 }),
11120 cx,
11121 )
11122 .into_iter()
11123 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11124 .collect();
11125
11126 Some(ActiveDiagnosticGroup {
11127 primary_range: buffer.anchor_before(primary_range.start)
11128 ..buffer.anchor_after(primary_range.end),
11129 primary_message,
11130 group_id,
11131 blocks,
11132 is_valid: true,
11133 })
11134 });
11135 }
11136
11137 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11138 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11139 self.display_map.update(cx, |display_map, cx| {
11140 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11141 });
11142 cx.notify();
11143 }
11144 }
11145
11146 pub fn set_selections_from_remote(
11147 &mut self,
11148 selections: Vec<Selection<Anchor>>,
11149 pending_selection: Option<Selection<Anchor>>,
11150 window: &mut Window,
11151 cx: &mut Context<Self>,
11152 ) {
11153 let old_cursor_position = self.selections.newest_anchor().head();
11154 self.selections.change_with(cx, |s| {
11155 s.select_anchors(selections);
11156 if let Some(pending_selection) = pending_selection {
11157 s.set_pending(pending_selection, SelectMode::Character);
11158 } else {
11159 s.clear_pending();
11160 }
11161 });
11162 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11163 }
11164
11165 fn push_to_selection_history(&mut self) {
11166 self.selection_history.push(SelectionHistoryEntry {
11167 selections: self.selections.disjoint_anchors(),
11168 select_next_state: self.select_next_state.clone(),
11169 select_prev_state: self.select_prev_state.clone(),
11170 add_selections_state: self.add_selections_state.clone(),
11171 });
11172 }
11173
11174 pub fn transact(
11175 &mut self,
11176 window: &mut Window,
11177 cx: &mut Context<Self>,
11178 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11179 ) -> Option<TransactionId> {
11180 self.start_transaction_at(Instant::now(), window, cx);
11181 update(self, window, cx);
11182 self.end_transaction_at(Instant::now(), cx)
11183 }
11184
11185 pub fn start_transaction_at(
11186 &mut self,
11187 now: Instant,
11188 window: &mut Window,
11189 cx: &mut Context<Self>,
11190 ) {
11191 self.end_selection(window, cx);
11192 if let Some(tx_id) = self
11193 .buffer
11194 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11195 {
11196 self.selection_history
11197 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11198 cx.emit(EditorEvent::TransactionBegun {
11199 transaction_id: tx_id,
11200 })
11201 }
11202 }
11203
11204 pub fn end_transaction_at(
11205 &mut self,
11206 now: Instant,
11207 cx: &mut Context<Self>,
11208 ) -> Option<TransactionId> {
11209 if let Some(transaction_id) = self
11210 .buffer
11211 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11212 {
11213 if let Some((_, end_selections)) =
11214 self.selection_history.transaction_mut(transaction_id)
11215 {
11216 *end_selections = Some(self.selections.disjoint_anchors());
11217 } else {
11218 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11219 }
11220
11221 cx.emit(EditorEvent::Edited { transaction_id });
11222 Some(transaction_id)
11223 } else {
11224 None
11225 }
11226 }
11227
11228 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11229 if self.selection_mark_mode {
11230 self.change_selections(None, window, cx, |s| {
11231 s.move_with(|_, sel| {
11232 sel.collapse_to(sel.head(), SelectionGoal::None);
11233 });
11234 })
11235 }
11236 self.selection_mark_mode = true;
11237 cx.notify();
11238 }
11239
11240 pub fn swap_selection_ends(
11241 &mut self,
11242 _: &actions::SwapSelectionEnds,
11243 window: &mut Window,
11244 cx: &mut Context<Self>,
11245 ) {
11246 self.change_selections(None, window, cx, |s| {
11247 s.move_with(|_, sel| {
11248 if sel.start != sel.end {
11249 sel.reversed = !sel.reversed
11250 }
11251 });
11252 });
11253 self.request_autoscroll(Autoscroll::newest(), cx);
11254 cx.notify();
11255 }
11256
11257 pub fn toggle_fold(
11258 &mut self,
11259 _: &actions::ToggleFold,
11260 window: &mut Window,
11261 cx: &mut Context<Self>,
11262 ) {
11263 if self.is_singleton(cx) {
11264 let selection = self.selections.newest::<Point>(cx);
11265
11266 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11267 let range = if selection.is_empty() {
11268 let point = selection.head().to_display_point(&display_map);
11269 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11270 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11271 .to_point(&display_map);
11272 start..end
11273 } else {
11274 selection.range()
11275 };
11276 if display_map.folds_in_range(range).next().is_some() {
11277 self.unfold_lines(&Default::default(), window, cx)
11278 } else {
11279 self.fold(&Default::default(), window, cx)
11280 }
11281 } else {
11282 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11283 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11284 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11285 .map(|(snapshot, _, _)| snapshot.remote_id())
11286 .collect();
11287
11288 for buffer_id in buffer_ids {
11289 if self.is_buffer_folded(buffer_id, cx) {
11290 self.unfold_buffer(buffer_id, cx);
11291 } else {
11292 self.fold_buffer(buffer_id, cx);
11293 }
11294 }
11295 }
11296 }
11297
11298 pub fn toggle_fold_recursive(
11299 &mut self,
11300 _: &actions::ToggleFoldRecursive,
11301 window: &mut Window,
11302 cx: &mut Context<Self>,
11303 ) {
11304 let selection = self.selections.newest::<Point>(cx);
11305
11306 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11307 let range = if selection.is_empty() {
11308 let point = selection.head().to_display_point(&display_map);
11309 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11310 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11311 .to_point(&display_map);
11312 start..end
11313 } else {
11314 selection.range()
11315 };
11316 if display_map.folds_in_range(range).next().is_some() {
11317 self.unfold_recursive(&Default::default(), window, cx)
11318 } else {
11319 self.fold_recursive(&Default::default(), window, cx)
11320 }
11321 }
11322
11323 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11324 if self.is_singleton(cx) {
11325 let mut to_fold = Vec::new();
11326 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11327 let selections = self.selections.all_adjusted(cx);
11328
11329 for selection in selections {
11330 let range = selection.range().sorted();
11331 let buffer_start_row = range.start.row;
11332
11333 if range.start.row != range.end.row {
11334 let mut found = false;
11335 let mut row = range.start.row;
11336 while row <= range.end.row {
11337 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11338 {
11339 found = true;
11340 row = crease.range().end.row + 1;
11341 to_fold.push(crease);
11342 } else {
11343 row += 1
11344 }
11345 }
11346 if found {
11347 continue;
11348 }
11349 }
11350
11351 for row in (0..=range.start.row).rev() {
11352 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11353 if crease.range().end.row >= buffer_start_row {
11354 to_fold.push(crease);
11355 if row <= range.start.row {
11356 break;
11357 }
11358 }
11359 }
11360 }
11361 }
11362
11363 self.fold_creases(to_fold, true, window, cx);
11364 } else {
11365 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11366
11367 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11368 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11369 .map(|(snapshot, _, _)| snapshot.remote_id())
11370 .collect();
11371 for buffer_id in buffer_ids {
11372 self.fold_buffer(buffer_id, cx);
11373 }
11374 }
11375 }
11376
11377 fn fold_at_level(
11378 &mut self,
11379 fold_at: &FoldAtLevel,
11380 window: &mut Window,
11381 cx: &mut Context<Self>,
11382 ) {
11383 if !self.buffer.read(cx).is_singleton() {
11384 return;
11385 }
11386
11387 let fold_at_level = fold_at.level;
11388 let snapshot = self.buffer.read(cx).snapshot(cx);
11389 let mut to_fold = Vec::new();
11390 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11391
11392 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11393 while start_row < end_row {
11394 match self
11395 .snapshot(window, cx)
11396 .crease_for_buffer_row(MultiBufferRow(start_row))
11397 {
11398 Some(crease) => {
11399 let nested_start_row = crease.range().start.row + 1;
11400 let nested_end_row = crease.range().end.row;
11401
11402 if current_level < fold_at_level {
11403 stack.push((nested_start_row, nested_end_row, current_level + 1));
11404 } else if current_level == fold_at_level {
11405 to_fold.push(crease);
11406 }
11407
11408 start_row = nested_end_row + 1;
11409 }
11410 None => start_row += 1,
11411 }
11412 }
11413 }
11414
11415 self.fold_creases(to_fold, true, window, cx);
11416 }
11417
11418 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
11419 if self.buffer.read(cx).is_singleton() {
11420 let mut fold_ranges = Vec::new();
11421 let snapshot = self.buffer.read(cx).snapshot(cx);
11422
11423 for row in 0..snapshot.max_row().0 {
11424 if let Some(foldable_range) = self
11425 .snapshot(window, cx)
11426 .crease_for_buffer_row(MultiBufferRow(row))
11427 {
11428 fold_ranges.push(foldable_range);
11429 }
11430 }
11431
11432 self.fold_creases(fold_ranges, true, window, cx);
11433 } else {
11434 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
11435 editor
11436 .update_in(&mut cx, |editor, _, cx| {
11437 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11438 editor.fold_buffer(buffer_id, cx);
11439 }
11440 })
11441 .ok();
11442 });
11443 }
11444 }
11445
11446 pub fn fold_function_bodies(
11447 &mut self,
11448 _: &actions::FoldFunctionBodies,
11449 window: &mut Window,
11450 cx: &mut Context<Self>,
11451 ) {
11452 let snapshot = self.buffer.read(cx).snapshot(cx);
11453
11454 let ranges = snapshot
11455 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
11456 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
11457 .collect::<Vec<_>>();
11458
11459 let creases = ranges
11460 .into_iter()
11461 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
11462 .collect();
11463
11464 self.fold_creases(creases, true, window, cx);
11465 }
11466
11467 pub fn fold_recursive(
11468 &mut self,
11469 _: &actions::FoldRecursive,
11470 window: &mut Window,
11471 cx: &mut Context<Self>,
11472 ) {
11473 let mut to_fold = Vec::new();
11474 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11475 let selections = self.selections.all_adjusted(cx);
11476
11477 for selection in selections {
11478 let range = selection.range().sorted();
11479 let buffer_start_row = range.start.row;
11480
11481 if range.start.row != range.end.row {
11482 let mut found = false;
11483 for row in range.start.row..=range.end.row {
11484 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11485 found = true;
11486 to_fold.push(crease);
11487 }
11488 }
11489 if found {
11490 continue;
11491 }
11492 }
11493
11494 for row in (0..=range.start.row).rev() {
11495 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11496 if crease.range().end.row >= buffer_start_row {
11497 to_fold.push(crease);
11498 } else {
11499 break;
11500 }
11501 }
11502 }
11503 }
11504
11505 self.fold_creases(to_fold, true, window, cx);
11506 }
11507
11508 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
11509 let buffer_row = fold_at.buffer_row;
11510 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11511
11512 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
11513 let autoscroll = self
11514 .selections
11515 .all::<Point>(cx)
11516 .iter()
11517 .any(|selection| crease.range().overlaps(&selection.range()));
11518
11519 self.fold_creases(vec![crease], autoscroll, window, cx);
11520 }
11521 }
11522
11523 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
11524 if self.is_singleton(cx) {
11525 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11526 let buffer = &display_map.buffer_snapshot;
11527 let selections = self.selections.all::<Point>(cx);
11528 let ranges = selections
11529 .iter()
11530 .map(|s| {
11531 let range = s.display_range(&display_map).sorted();
11532 let mut start = range.start.to_point(&display_map);
11533 let mut end = range.end.to_point(&display_map);
11534 start.column = 0;
11535 end.column = buffer.line_len(MultiBufferRow(end.row));
11536 start..end
11537 })
11538 .collect::<Vec<_>>();
11539
11540 self.unfold_ranges(&ranges, true, true, cx);
11541 } else {
11542 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11543 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11544 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11545 .map(|(snapshot, _, _)| snapshot.remote_id())
11546 .collect();
11547 for buffer_id in buffer_ids {
11548 self.unfold_buffer(buffer_id, cx);
11549 }
11550 }
11551 }
11552
11553 pub fn unfold_recursive(
11554 &mut self,
11555 _: &UnfoldRecursive,
11556 _window: &mut Window,
11557 cx: &mut Context<Self>,
11558 ) {
11559 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11560 let selections = self.selections.all::<Point>(cx);
11561 let ranges = selections
11562 .iter()
11563 .map(|s| {
11564 let mut range = s.display_range(&display_map).sorted();
11565 *range.start.column_mut() = 0;
11566 *range.end.column_mut() = display_map.line_len(range.end.row());
11567 let start = range.start.to_point(&display_map);
11568 let end = range.end.to_point(&display_map);
11569 start..end
11570 })
11571 .collect::<Vec<_>>();
11572
11573 self.unfold_ranges(&ranges, true, true, cx);
11574 }
11575
11576 pub fn unfold_at(
11577 &mut self,
11578 unfold_at: &UnfoldAt,
11579 _window: &mut Window,
11580 cx: &mut Context<Self>,
11581 ) {
11582 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11583
11584 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
11585 ..Point::new(
11586 unfold_at.buffer_row.0,
11587 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
11588 );
11589
11590 let autoscroll = self
11591 .selections
11592 .all::<Point>(cx)
11593 .iter()
11594 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
11595
11596 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
11597 }
11598
11599 pub fn unfold_all(
11600 &mut self,
11601 _: &actions::UnfoldAll,
11602 _window: &mut Window,
11603 cx: &mut Context<Self>,
11604 ) {
11605 if self.buffer.read(cx).is_singleton() {
11606 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11607 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
11608 } else {
11609 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
11610 editor
11611 .update(&mut cx, |editor, cx| {
11612 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11613 editor.unfold_buffer(buffer_id, cx);
11614 }
11615 })
11616 .ok();
11617 });
11618 }
11619 }
11620
11621 pub fn fold_selected_ranges(
11622 &mut self,
11623 _: &FoldSelectedRanges,
11624 window: &mut Window,
11625 cx: &mut Context<Self>,
11626 ) {
11627 let selections = self.selections.all::<Point>(cx);
11628 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11629 let line_mode = self.selections.line_mode;
11630 let ranges = selections
11631 .into_iter()
11632 .map(|s| {
11633 if line_mode {
11634 let start = Point::new(s.start.row, 0);
11635 let end = Point::new(
11636 s.end.row,
11637 display_map
11638 .buffer_snapshot
11639 .line_len(MultiBufferRow(s.end.row)),
11640 );
11641 Crease::simple(start..end, display_map.fold_placeholder.clone())
11642 } else {
11643 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
11644 }
11645 })
11646 .collect::<Vec<_>>();
11647 self.fold_creases(ranges, true, window, cx);
11648 }
11649
11650 pub fn fold_ranges<T: ToOffset + Clone>(
11651 &mut self,
11652 ranges: Vec<Range<T>>,
11653 auto_scroll: bool,
11654 window: &mut Window,
11655 cx: &mut Context<Self>,
11656 ) {
11657 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11658 let ranges = ranges
11659 .into_iter()
11660 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
11661 .collect::<Vec<_>>();
11662 self.fold_creases(ranges, auto_scroll, window, cx);
11663 }
11664
11665 pub fn fold_creases<T: ToOffset + Clone>(
11666 &mut self,
11667 creases: Vec<Crease<T>>,
11668 auto_scroll: bool,
11669 window: &mut Window,
11670 cx: &mut Context<Self>,
11671 ) {
11672 if creases.is_empty() {
11673 return;
11674 }
11675
11676 let mut buffers_affected = HashSet::default();
11677 let multi_buffer = self.buffer().read(cx);
11678 for crease in &creases {
11679 if let Some((_, buffer, _)) =
11680 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
11681 {
11682 buffers_affected.insert(buffer.read(cx).remote_id());
11683 };
11684 }
11685
11686 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
11687
11688 if auto_scroll {
11689 self.request_autoscroll(Autoscroll::fit(), cx);
11690 }
11691
11692 cx.notify();
11693
11694 if let Some(active_diagnostics) = self.active_diagnostics.take() {
11695 // Clear diagnostics block when folding a range that contains it.
11696 let snapshot = self.snapshot(window, cx);
11697 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
11698 drop(snapshot);
11699 self.active_diagnostics = Some(active_diagnostics);
11700 self.dismiss_diagnostics(cx);
11701 } else {
11702 self.active_diagnostics = Some(active_diagnostics);
11703 }
11704 }
11705
11706 self.scrollbar_marker_state.dirty = true;
11707 }
11708
11709 /// Removes any folds whose ranges intersect any of the given ranges.
11710 pub fn unfold_ranges<T: ToOffset + Clone>(
11711 &mut self,
11712 ranges: &[Range<T>],
11713 inclusive: bool,
11714 auto_scroll: bool,
11715 cx: &mut Context<Self>,
11716 ) {
11717 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11718 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
11719 });
11720 }
11721
11722 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11723 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
11724 return;
11725 }
11726 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11727 return;
11728 };
11729 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11730 self.display_map
11731 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
11732 cx.emit(EditorEvent::BufferFoldToggled {
11733 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
11734 folded: true,
11735 });
11736 cx.notify();
11737 }
11738
11739 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11740 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
11741 return;
11742 }
11743 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11744 return;
11745 };
11746 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11747 self.display_map.update(cx, |display_map, cx| {
11748 display_map.unfold_buffer(buffer_id, cx);
11749 });
11750 cx.emit(EditorEvent::BufferFoldToggled {
11751 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
11752 folded: false,
11753 });
11754 cx.notify();
11755 }
11756
11757 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
11758 self.display_map.read(cx).is_buffer_folded(buffer)
11759 }
11760
11761 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
11762 self.display_map.read(cx).folded_buffers()
11763 }
11764
11765 /// Removes any folds with the given ranges.
11766 pub fn remove_folds_with_type<T: ToOffset + Clone>(
11767 &mut self,
11768 ranges: &[Range<T>],
11769 type_id: TypeId,
11770 auto_scroll: bool,
11771 cx: &mut Context<Self>,
11772 ) {
11773 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11774 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
11775 });
11776 }
11777
11778 fn remove_folds_with<T: ToOffset + Clone>(
11779 &mut self,
11780 ranges: &[Range<T>],
11781 auto_scroll: bool,
11782 cx: &mut Context<Self>,
11783 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
11784 ) {
11785 if ranges.is_empty() {
11786 return;
11787 }
11788
11789 let mut buffers_affected = HashSet::default();
11790 let multi_buffer = self.buffer().read(cx);
11791 for range in ranges {
11792 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
11793 buffers_affected.insert(buffer.read(cx).remote_id());
11794 };
11795 }
11796
11797 self.display_map.update(cx, update);
11798
11799 if auto_scroll {
11800 self.request_autoscroll(Autoscroll::fit(), cx);
11801 }
11802
11803 cx.notify();
11804 self.scrollbar_marker_state.dirty = true;
11805 self.active_indent_guides_state.dirty = true;
11806 }
11807
11808 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
11809 self.display_map.read(cx).fold_placeholder.clone()
11810 }
11811
11812 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
11813 self.buffer.update(cx, |buffer, cx| {
11814 buffer.set_all_diff_hunks_expanded(cx);
11815 });
11816 }
11817
11818 pub fn expand_all_diff_hunks(
11819 &mut self,
11820 _: &ExpandAllHunkDiffs,
11821 _window: &mut Window,
11822 cx: &mut Context<Self>,
11823 ) {
11824 self.buffer.update(cx, |buffer, cx| {
11825 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
11826 });
11827 }
11828
11829 pub fn toggle_selected_diff_hunks(
11830 &mut self,
11831 _: &ToggleSelectedDiffHunks,
11832 _window: &mut Window,
11833 cx: &mut Context<Self>,
11834 ) {
11835 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11836 self.toggle_diff_hunks_in_ranges(ranges, cx);
11837 }
11838
11839 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
11840 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11841 self.buffer
11842 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
11843 }
11844
11845 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
11846 self.buffer.update(cx, |buffer, cx| {
11847 let ranges = vec![Anchor::min()..Anchor::max()];
11848 if !buffer.all_diff_hunks_expanded()
11849 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
11850 {
11851 buffer.collapse_diff_hunks(ranges, cx);
11852 true
11853 } else {
11854 false
11855 }
11856 })
11857 }
11858
11859 fn toggle_diff_hunks_in_ranges(
11860 &mut self,
11861 ranges: Vec<Range<Anchor>>,
11862 cx: &mut Context<'_, Editor>,
11863 ) {
11864 self.buffer.update(cx, |buffer, cx| {
11865 if buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx) {
11866 buffer.collapse_diff_hunks(ranges, cx)
11867 } else {
11868 buffer.expand_diff_hunks(ranges, cx)
11869 }
11870 })
11871 }
11872
11873 pub(crate) fn apply_all_diff_hunks(
11874 &mut self,
11875 _: &ApplyAllDiffHunks,
11876 window: &mut Window,
11877 cx: &mut Context<Self>,
11878 ) {
11879 let buffers = self.buffer.read(cx).all_buffers();
11880 for branch_buffer in buffers {
11881 branch_buffer.update(cx, |branch_buffer, cx| {
11882 branch_buffer.merge_into_base(Vec::new(), cx);
11883 });
11884 }
11885
11886 if let Some(project) = self.project.clone() {
11887 self.save(true, project, window, cx).detach_and_log_err(cx);
11888 }
11889 }
11890
11891 pub(crate) fn apply_selected_diff_hunks(
11892 &mut self,
11893 _: &ApplyDiffHunk,
11894 window: &mut Window,
11895 cx: &mut Context<Self>,
11896 ) {
11897 let snapshot = self.snapshot(window, cx);
11898 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
11899 let mut ranges_by_buffer = HashMap::default();
11900 self.transact(window, cx, |editor, _window, cx| {
11901 for hunk in hunks {
11902 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
11903 ranges_by_buffer
11904 .entry(buffer.clone())
11905 .or_insert_with(Vec::new)
11906 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
11907 }
11908 }
11909
11910 for (buffer, ranges) in ranges_by_buffer {
11911 buffer.update(cx, |buffer, cx| {
11912 buffer.merge_into_base(ranges, cx);
11913 });
11914 }
11915 });
11916
11917 if let Some(project) = self.project.clone() {
11918 self.save(true, project, window, cx).detach_and_log_err(cx);
11919 }
11920 }
11921
11922 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
11923 if hovered != self.gutter_hovered {
11924 self.gutter_hovered = hovered;
11925 cx.notify();
11926 }
11927 }
11928
11929 pub fn insert_blocks(
11930 &mut self,
11931 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
11932 autoscroll: Option<Autoscroll>,
11933 cx: &mut Context<Self>,
11934 ) -> Vec<CustomBlockId> {
11935 let blocks = self
11936 .display_map
11937 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
11938 if let Some(autoscroll) = autoscroll {
11939 self.request_autoscroll(autoscroll, cx);
11940 }
11941 cx.notify();
11942 blocks
11943 }
11944
11945 pub fn resize_blocks(
11946 &mut self,
11947 heights: HashMap<CustomBlockId, u32>,
11948 autoscroll: Option<Autoscroll>,
11949 cx: &mut Context<Self>,
11950 ) {
11951 self.display_map
11952 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
11953 if let Some(autoscroll) = autoscroll {
11954 self.request_autoscroll(autoscroll, cx);
11955 }
11956 cx.notify();
11957 }
11958
11959 pub fn replace_blocks(
11960 &mut self,
11961 renderers: HashMap<CustomBlockId, RenderBlock>,
11962 autoscroll: Option<Autoscroll>,
11963 cx: &mut Context<Self>,
11964 ) {
11965 self.display_map
11966 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
11967 if let Some(autoscroll) = autoscroll {
11968 self.request_autoscroll(autoscroll, cx);
11969 }
11970 cx.notify();
11971 }
11972
11973 pub fn remove_blocks(
11974 &mut self,
11975 block_ids: HashSet<CustomBlockId>,
11976 autoscroll: Option<Autoscroll>,
11977 cx: &mut Context<Self>,
11978 ) {
11979 self.display_map.update(cx, |display_map, cx| {
11980 display_map.remove_blocks(block_ids, cx)
11981 });
11982 if let Some(autoscroll) = autoscroll {
11983 self.request_autoscroll(autoscroll, cx);
11984 }
11985 cx.notify();
11986 }
11987
11988 pub fn row_for_block(
11989 &self,
11990 block_id: CustomBlockId,
11991 cx: &mut Context<Self>,
11992 ) -> Option<DisplayRow> {
11993 self.display_map
11994 .update(cx, |map, cx| map.row_for_block(block_id, cx))
11995 }
11996
11997 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
11998 self.focused_block = Some(focused_block);
11999 }
12000
12001 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12002 self.focused_block.take()
12003 }
12004
12005 pub fn insert_creases(
12006 &mut self,
12007 creases: impl IntoIterator<Item = Crease<Anchor>>,
12008 cx: &mut Context<Self>,
12009 ) -> Vec<CreaseId> {
12010 self.display_map
12011 .update(cx, |map, cx| map.insert_creases(creases, cx))
12012 }
12013
12014 pub fn remove_creases(
12015 &mut self,
12016 ids: impl IntoIterator<Item = CreaseId>,
12017 cx: &mut Context<Self>,
12018 ) {
12019 self.display_map
12020 .update(cx, |map, cx| map.remove_creases(ids, cx));
12021 }
12022
12023 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12024 self.display_map
12025 .update(cx, |map, cx| map.snapshot(cx))
12026 .longest_row()
12027 }
12028
12029 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12030 self.display_map
12031 .update(cx, |map, cx| map.snapshot(cx))
12032 .max_point()
12033 }
12034
12035 pub fn text(&self, cx: &App) -> String {
12036 self.buffer.read(cx).read(cx).text()
12037 }
12038
12039 pub fn text_option(&self, cx: &App) -> Option<String> {
12040 let text = self.text(cx);
12041 let text = text.trim();
12042
12043 if text.is_empty() {
12044 return None;
12045 }
12046
12047 Some(text.to_string())
12048 }
12049
12050 pub fn set_text(
12051 &mut self,
12052 text: impl Into<Arc<str>>,
12053 window: &mut Window,
12054 cx: &mut Context<Self>,
12055 ) {
12056 self.transact(window, cx, |this, _, cx| {
12057 this.buffer
12058 .read(cx)
12059 .as_singleton()
12060 .expect("you can only call set_text on editors for singleton buffers")
12061 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12062 });
12063 }
12064
12065 pub fn display_text(&self, cx: &mut App) -> String {
12066 self.display_map
12067 .update(cx, |map, cx| map.snapshot(cx))
12068 .text()
12069 }
12070
12071 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12072 let mut wrap_guides = smallvec::smallvec![];
12073
12074 if self.show_wrap_guides == Some(false) {
12075 return wrap_guides;
12076 }
12077
12078 let settings = self.buffer.read(cx).settings_at(0, cx);
12079 if settings.show_wrap_guides {
12080 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12081 wrap_guides.push((soft_wrap as usize, true));
12082 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12083 wrap_guides.push((soft_wrap as usize, true));
12084 }
12085 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12086 }
12087
12088 wrap_guides
12089 }
12090
12091 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12092 let settings = self.buffer.read(cx).settings_at(0, cx);
12093 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12094 match mode {
12095 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12096 SoftWrap::None
12097 }
12098 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12099 language_settings::SoftWrap::PreferredLineLength => {
12100 SoftWrap::Column(settings.preferred_line_length)
12101 }
12102 language_settings::SoftWrap::Bounded => {
12103 SoftWrap::Bounded(settings.preferred_line_length)
12104 }
12105 }
12106 }
12107
12108 pub fn set_soft_wrap_mode(
12109 &mut self,
12110 mode: language_settings::SoftWrap,
12111
12112 cx: &mut Context<Self>,
12113 ) {
12114 self.soft_wrap_mode_override = Some(mode);
12115 cx.notify();
12116 }
12117
12118 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12119 self.text_style_refinement = Some(style);
12120 }
12121
12122 /// called by the Element so we know what style we were most recently rendered with.
12123 pub(crate) fn set_style(
12124 &mut self,
12125 style: EditorStyle,
12126 window: &mut Window,
12127 cx: &mut Context<Self>,
12128 ) {
12129 let rem_size = window.rem_size();
12130 self.display_map.update(cx, |map, cx| {
12131 map.set_font(
12132 style.text.font(),
12133 style.text.font_size.to_pixels(rem_size),
12134 cx,
12135 )
12136 });
12137 self.style = Some(style);
12138 }
12139
12140 pub fn style(&self) -> Option<&EditorStyle> {
12141 self.style.as_ref()
12142 }
12143
12144 // Called by the element. This method is not designed to be called outside of the editor
12145 // element's layout code because it does not notify when rewrapping is computed synchronously.
12146 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12147 self.display_map
12148 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12149 }
12150
12151 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12152 if self.soft_wrap_mode_override.is_some() {
12153 self.soft_wrap_mode_override.take();
12154 } else {
12155 let soft_wrap = match self.soft_wrap_mode(cx) {
12156 SoftWrap::GitDiff => return,
12157 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12158 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12159 language_settings::SoftWrap::None
12160 }
12161 };
12162 self.soft_wrap_mode_override = Some(soft_wrap);
12163 }
12164 cx.notify();
12165 }
12166
12167 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12168 let Some(workspace) = self.workspace() else {
12169 return;
12170 };
12171 let fs = workspace.read(cx).app_state().fs.clone();
12172 let current_show = TabBarSettings::get_global(cx).show;
12173 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12174 setting.show = Some(!current_show);
12175 });
12176 }
12177
12178 pub fn toggle_indent_guides(
12179 &mut self,
12180 _: &ToggleIndentGuides,
12181 _: &mut Window,
12182 cx: &mut Context<Self>,
12183 ) {
12184 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12185 self.buffer
12186 .read(cx)
12187 .settings_at(0, cx)
12188 .indent_guides
12189 .enabled
12190 });
12191 self.show_indent_guides = Some(!currently_enabled);
12192 cx.notify();
12193 }
12194
12195 fn should_show_indent_guides(&self) -> Option<bool> {
12196 self.show_indent_guides
12197 }
12198
12199 pub fn toggle_line_numbers(
12200 &mut self,
12201 _: &ToggleLineNumbers,
12202 _: &mut Window,
12203 cx: &mut Context<Self>,
12204 ) {
12205 let mut editor_settings = EditorSettings::get_global(cx).clone();
12206 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12207 EditorSettings::override_global(editor_settings, cx);
12208 }
12209
12210 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12211 self.use_relative_line_numbers
12212 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12213 }
12214
12215 pub fn toggle_relative_line_numbers(
12216 &mut self,
12217 _: &ToggleRelativeLineNumbers,
12218 _: &mut Window,
12219 cx: &mut Context<Self>,
12220 ) {
12221 let is_relative = self.should_use_relative_line_numbers(cx);
12222 self.set_relative_line_number(Some(!is_relative), cx)
12223 }
12224
12225 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12226 self.use_relative_line_numbers = is_relative;
12227 cx.notify();
12228 }
12229
12230 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12231 self.show_gutter = show_gutter;
12232 cx.notify();
12233 }
12234
12235 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12236 self.show_scrollbars = show_scrollbars;
12237 cx.notify();
12238 }
12239
12240 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12241 self.show_line_numbers = Some(show_line_numbers);
12242 cx.notify();
12243 }
12244
12245 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12246 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12247 cx.notify();
12248 }
12249
12250 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12251 self.show_code_actions = Some(show_code_actions);
12252 cx.notify();
12253 }
12254
12255 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12256 self.show_runnables = Some(show_runnables);
12257 cx.notify();
12258 }
12259
12260 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12261 if self.display_map.read(cx).masked != masked {
12262 self.display_map.update(cx, |map, _| map.masked = masked);
12263 }
12264 cx.notify()
12265 }
12266
12267 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12268 self.show_wrap_guides = Some(show_wrap_guides);
12269 cx.notify();
12270 }
12271
12272 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12273 self.show_indent_guides = Some(show_indent_guides);
12274 cx.notify();
12275 }
12276
12277 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12278 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12279 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12280 if let Some(dir) = file.abs_path(cx).parent() {
12281 return Some(dir.to_owned());
12282 }
12283 }
12284
12285 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12286 return Some(project_path.path.to_path_buf());
12287 }
12288 }
12289
12290 None
12291 }
12292
12293 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12294 self.active_excerpt(cx)?
12295 .1
12296 .read(cx)
12297 .file()
12298 .and_then(|f| f.as_local())
12299 }
12300
12301 fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12302 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12303 let project_path = buffer.read(cx).project_path(cx)?;
12304 let project = self.project.as_ref()?.read(cx);
12305 project.absolute_path(&project_path, cx)
12306 })
12307 }
12308
12309 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12310 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12311 let project_path = buffer.read(cx).project_path(cx)?;
12312 let project = self.project.as_ref()?.read(cx);
12313 let entry = project.entry_for_path(&project_path, cx)?;
12314 let path = entry.path.to_path_buf();
12315 Some(path)
12316 })
12317 }
12318
12319 pub fn reveal_in_finder(
12320 &mut self,
12321 _: &RevealInFileManager,
12322 _window: &mut Window,
12323 cx: &mut Context<Self>,
12324 ) {
12325 if let Some(target) = self.target_file(cx) {
12326 cx.reveal_path(&target.abs_path(cx));
12327 }
12328 }
12329
12330 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12331 if let Some(path) = self.target_file_abs_path(cx) {
12332 if let Some(path) = path.to_str() {
12333 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12334 }
12335 }
12336 }
12337
12338 pub fn copy_relative_path(
12339 &mut self,
12340 _: &CopyRelativePath,
12341 _window: &mut Window,
12342 cx: &mut Context<Self>,
12343 ) {
12344 if let Some(path) = self.target_file_path(cx) {
12345 if let Some(path) = path.to_str() {
12346 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12347 }
12348 }
12349 }
12350
12351 pub fn toggle_git_blame(
12352 &mut self,
12353 _: &ToggleGitBlame,
12354 window: &mut Window,
12355 cx: &mut Context<Self>,
12356 ) {
12357 self.show_git_blame_gutter = !self.show_git_blame_gutter;
12358
12359 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
12360 self.start_git_blame(true, window, cx);
12361 }
12362
12363 cx.notify();
12364 }
12365
12366 pub fn toggle_git_blame_inline(
12367 &mut self,
12368 _: &ToggleGitBlameInline,
12369 window: &mut Window,
12370 cx: &mut Context<Self>,
12371 ) {
12372 self.toggle_git_blame_inline_internal(true, window, cx);
12373 cx.notify();
12374 }
12375
12376 pub fn git_blame_inline_enabled(&self) -> bool {
12377 self.git_blame_inline_enabled
12378 }
12379
12380 pub fn toggle_selection_menu(
12381 &mut self,
12382 _: &ToggleSelectionMenu,
12383 _: &mut Window,
12384 cx: &mut Context<Self>,
12385 ) {
12386 self.show_selection_menu = self
12387 .show_selection_menu
12388 .map(|show_selections_menu| !show_selections_menu)
12389 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
12390
12391 cx.notify();
12392 }
12393
12394 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
12395 self.show_selection_menu
12396 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
12397 }
12398
12399 fn start_git_blame(
12400 &mut self,
12401 user_triggered: bool,
12402 window: &mut Window,
12403 cx: &mut Context<Self>,
12404 ) {
12405 if let Some(project) = self.project.as_ref() {
12406 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
12407 return;
12408 };
12409
12410 if buffer.read(cx).file().is_none() {
12411 return;
12412 }
12413
12414 let focused = self.focus_handle(cx).contains_focused(window, cx);
12415
12416 let project = project.clone();
12417 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
12418 self.blame_subscription =
12419 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
12420 self.blame = Some(blame);
12421 }
12422 }
12423
12424 fn toggle_git_blame_inline_internal(
12425 &mut self,
12426 user_triggered: bool,
12427 window: &mut Window,
12428 cx: &mut Context<Self>,
12429 ) {
12430 if self.git_blame_inline_enabled {
12431 self.git_blame_inline_enabled = false;
12432 self.show_git_blame_inline = false;
12433 self.show_git_blame_inline_delay_task.take();
12434 } else {
12435 self.git_blame_inline_enabled = true;
12436 self.start_git_blame_inline(user_triggered, window, cx);
12437 }
12438
12439 cx.notify();
12440 }
12441
12442 fn start_git_blame_inline(
12443 &mut self,
12444 user_triggered: bool,
12445 window: &mut Window,
12446 cx: &mut Context<Self>,
12447 ) {
12448 self.start_git_blame(user_triggered, window, cx);
12449
12450 if ProjectSettings::get_global(cx)
12451 .git
12452 .inline_blame_delay()
12453 .is_some()
12454 {
12455 self.start_inline_blame_timer(window, cx);
12456 } else {
12457 self.show_git_blame_inline = true
12458 }
12459 }
12460
12461 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
12462 self.blame.as_ref()
12463 }
12464
12465 pub fn show_git_blame_gutter(&self) -> bool {
12466 self.show_git_blame_gutter
12467 }
12468
12469 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
12470 self.show_git_blame_gutter && self.has_blame_entries(cx)
12471 }
12472
12473 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
12474 self.show_git_blame_inline
12475 && self.focus_handle.is_focused(window)
12476 && !self.newest_selection_head_on_empty_line(cx)
12477 && self.has_blame_entries(cx)
12478 }
12479
12480 fn has_blame_entries(&self, cx: &App) -> bool {
12481 self.blame()
12482 .map_or(false, |blame| blame.read(cx).has_generated_entries())
12483 }
12484
12485 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
12486 let cursor_anchor = self.selections.newest_anchor().head();
12487
12488 let snapshot = self.buffer.read(cx).snapshot(cx);
12489 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
12490
12491 snapshot.line_len(buffer_row) == 0
12492 }
12493
12494 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
12495 let buffer_and_selection = maybe!({
12496 let selection = self.selections.newest::<Point>(cx);
12497 let selection_range = selection.range();
12498
12499 let multi_buffer = self.buffer().read(cx);
12500 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
12501 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
12502
12503 let (buffer, range, _) = if selection.reversed {
12504 buffer_ranges.first()
12505 } else {
12506 buffer_ranges.last()
12507 }?;
12508
12509 let selection = text::ToPoint::to_point(&range.start, &buffer).row
12510 ..text::ToPoint::to_point(&range.end, &buffer).row;
12511 Some((
12512 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
12513 selection,
12514 ))
12515 });
12516
12517 let Some((buffer, selection)) = buffer_and_selection else {
12518 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
12519 };
12520
12521 let Some(project) = self.project.as_ref() else {
12522 return Task::ready(Err(anyhow!("editor does not have project")));
12523 };
12524
12525 project.update(cx, |project, cx| {
12526 project.get_permalink_to_line(&buffer, selection, cx)
12527 })
12528 }
12529
12530 pub fn copy_permalink_to_line(
12531 &mut self,
12532 _: &CopyPermalinkToLine,
12533 window: &mut Window,
12534 cx: &mut Context<Self>,
12535 ) {
12536 let permalink_task = self.get_permalink_to_line(cx);
12537 let workspace = self.workspace();
12538
12539 cx.spawn_in(window, |_, mut cx| async move {
12540 match permalink_task.await {
12541 Ok(permalink) => {
12542 cx.update(|_, cx| {
12543 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
12544 })
12545 .ok();
12546 }
12547 Err(err) => {
12548 let message = format!("Failed to copy permalink: {err}");
12549
12550 Err::<(), anyhow::Error>(err).log_err();
12551
12552 if let Some(workspace) = workspace {
12553 workspace
12554 .update_in(&mut cx, |workspace, _, cx| {
12555 struct CopyPermalinkToLine;
12556
12557 workspace.show_toast(
12558 Toast::new(
12559 NotificationId::unique::<CopyPermalinkToLine>(),
12560 message,
12561 ),
12562 cx,
12563 )
12564 })
12565 .ok();
12566 }
12567 }
12568 }
12569 })
12570 .detach();
12571 }
12572
12573 pub fn copy_file_location(
12574 &mut self,
12575 _: &CopyFileLocation,
12576 _: &mut Window,
12577 cx: &mut Context<Self>,
12578 ) {
12579 let selection = self.selections.newest::<Point>(cx).start.row + 1;
12580 if let Some(file) = self.target_file(cx) {
12581 if let Some(path) = file.path().to_str() {
12582 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
12583 }
12584 }
12585 }
12586
12587 pub fn open_permalink_to_line(
12588 &mut self,
12589 _: &OpenPermalinkToLine,
12590 window: &mut Window,
12591 cx: &mut Context<Self>,
12592 ) {
12593 let permalink_task = self.get_permalink_to_line(cx);
12594 let workspace = self.workspace();
12595
12596 cx.spawn_in(window, |_, mut cx| async move {
12597 match permalink_task.await {
12598 Ok(permalink) => {
12599 cx.update(|_, cx| {
12600 cx.open_url(permalink.as_ref());
12601 })
12602 .ok();
12603 }
12604 Err(err) => {
12605 let message = format!("Failed to open permalink: {err}");
12606
12607 Err::<(), anyhow::Error>(err).log_err();
12608
12609 if let Some(workspace) = workspace {
12610 workspace
12611 .update(&mut cx, |workspace, cx| {
12612 struct OpenPermalinkToLine;
12613
12614 workspace.show_toast(
12615 Toast::new(
12616 NotificationId::unique::<OpenPermalinkToLine>(),
12617 message,
12618 ),
12619 cx,
12620 )
12621 })
12622 .ok();
12623 }
12624 }
12625 }
12626 })
12627 .detach();
12628 }
12629
12630 pub fn insert_uuid_v4(
12631 &mut self,
12632 _: &InsertUuidV4,
12633 window: &mut Window,
12634 cx: &mut Context<Self>,
12635 ) {
12636 self.insert_uuid(UuidVersion::V4, window, cx);
12637 }
12638
12639 pub fn insert_uuid_v7(
12640 &mut self,
12641 _: &InsertUuidV7,
12642 window: &mut Window,
12643 cx: &mut Context<Self>,
12644 ) {
12645 self.insert_uuid(UuidVersion::V7, window, cx);
12646 }
12647
12648 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
12649 self.transact(window, cx, |this, window, cx| {
12650 let edits = this
12651 .selections
12652 .all::<Point>(cx)
12653 .into_iter()
12654 .map(|selection| {
12655 let uuid = match version {
12656 UuidVersion::V4 => uuid::Uuid::new_v4(),
12657 UuidVersion::V7 => uuid::Uuid::now_v7(),
12658 };
12659
12660 (selection.range(), uuid.to_string())
12661 });
12662 this.edit(edits, cx);
12663 this.refresh_inline_completion(true, false, window, cx);
12664 });
12665 }
12666
12667 pub fn open_selections_in_multibuffer(
12668 &mut self,
12669 _: &OpenSelectionsInMultibuffer,
12670 window: &mut Window,
12671 cx: &mut Context<Self>,
12672 ) {
12673 let multibuffer = self.buffer.read(cx);
12674
12675 let Some(buffer) = multibuffer.as_singleton() else {
12676 return;
12677 };
12678
12679 let Some(workspace) = self.workspace() else {
12680 return;
12681 };
12682
12683 let locations = self
12684 .selections
12685 .disjoint_anchors()
12686 .iter()
12687 .map(|range| Location {
12688 buffer: buffer.clone(),
12689 range: range.start.text_anchor..range.end.text_anchor,
12690 })
12691 .collect::<Vec<_>>();
12692
12693 let title = multibuffer.title(cx).to_string();
12694
12695 cx.spawn_in(window, |_, mut cx| async move {
12696 workspace.update_in(&mut cx, |workspace, window, cx| {
12697 Self::open_locations_in_multibuffer(
12698 workspace,
12699 locations,
12700 format!("Selections for '{title}'"),
12701 false,
12702 MultibufferSelectionMode::All,
12703 window,
12704 cx,
12705 );
12706 })
12707 })
12708 .detach();
12709 }
12710
12711 /// Adds a row highlight for the given range. If a row has multiple highlights, the
12712 /// last highlight added will be used.
12713 ///
12714 /// If the range ends at the beginning of a line, then that line will not be highlighted.
12715 pub fn highlight_rows<T: 'static>(
12716 &mut self,
12717 range: Range<Anchor>,
12718 color: Hsla,
12719 should_autoscroll: bool,
12720 cx: &mut Context<Self>,
12721 ) {
12722 let snapshot = self.buffer().read(cx).snapshot(cx);
12723 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12724 let ix = row_highlights.binary_search_by(|highlight| {
12725 Ordering::Equal
12726 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
12727 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
12728 });
12729
12730 if let Err(mut ix) = ix {
12731 let index = post_inc(&mut self.highlight_order);
12732
12733 // If this range intersects with the preceding highlight, then merge it with
12734 // the preceding highlight. Otherwise insert a new highlight.
12735 let mut merged = false;
12736 if ix > 0 {
12737 let prev_highlight = &mut row_highlights[ix - 1];
12738 if prev_highlight
12739 .range
12740 .end
12741 .cmp(&range.start, &snapshot)
12742 .is_ge()
12743 {
12744 ix -= 1;
12745 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
12746 prev_highlight.range.end = range.end;
12747 }
12748 merged = true;
12749 prev_highlight.index = index;
12750 prev_highlight.color = color;
12751 prev_highlight.should_autoscroll = should_autoscroll;
12752 }
12753 }
12754
12755 if !merged {
12756 row_highlights.insert(
12757 ix,
12758 RowHighlight {
12759 range: range.clone(),
12760 index,
12761 color,
12762 should_autoscroll,
12763 },
12764 );
12765 }
12766
12767 // If any of the following highlights intersect with this one, merge them.
12768 while let Some(next_highlight) = row_highlights.get(ix + 1) {
12769 let highlight = &row_highlights[ix];
12770 if next_highlight
12771 .range
12772 .start
12773 .cmp(&highlight.range.end, &snapshot)
12774 .is_le()
12775 {
12776 if next_highlight
12777 .range
12778 .end
12779 .cmp(&highlight.range.end, &snapshot)
12780 .is_gt()
12781 {
12782 row_highlights[ix].range.end = next_highlight.range.end;
12783 }
12784 row_highlights.remove(ix + 1);
12785 } else {
12786 break;
12787 }
12788 }
12789 }
12790 }
12791
12792 /// Remove any highlighted row ranges of the given type that intersect the
12793 /// given ranges.
12794 pub fn remove_highlighted_rows<T: 'static>(
12795 &mut self,
12796 ranges_to_remove: Vec<Range<Anchor>>,
12797 cx: &mut Context<Self>,
12798 ) {
12799 let snapshot = self.buffer().read(cx).snapshot(cx);
12800 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12801 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
12802 row_highlights.retain(|highlight| {
12803 while let Some(range_to_remove) = ranges_to_remove.peek() {
12804 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
12805 Ordering::Less | Ordering::Equal => {
12806 ranges_to_remove.next();
12807 }
12808 Ordering::Greater => {
12809 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
12810 Ordering::Less | Ordering::Equal => {
12811 return false;
12812 }
12813 Ordering::Greater => break,
12814 }
12815 }
12816 }
12817 }
12818
12819 true
12820 })
12821 }
12822
12823 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
12824 pub fn clear_row_highlights<T: 'static>(&mut self) {
12825 self.highlighted_rows.remove(&TypeId::of::<T>());
12826 }
12827
12828 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
12829 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
12830 self.highlighted_rows
12831 .get(&TypeId::of::<T>())
12832 .map_or(&[] as &[_], |vec| vec.as_slice())
12833 .iter()
12834 .map(|highlight| (highlight.range.clone(), highlight.color))
12835 }
12836
12837 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
12838 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
12839 /// Allows to ignore certain kinds of highlights.
12840 pub fn highlighted_display_rows(
12841 &self,
12842 window: &mut Window,
12843 cx: &mut App,
12844 ) -> BTreeMap<DisplayRow, Hsla> {
12845 let snapshot = self.snapshot(window, cx);
12846 let mut used_highlight_orders = HashMap::default();
12847 self.highlighted_rows
12848 .iter()
12849 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
12850 .fold(
12851 BTreeMap::<DisplayRow, Hsla>::new(),
12852 |mut unique_rows, highlight| {
12853 let start = highlight.range.start.to_display_point(&snapshot);
12854 let end = highlight.range.end.to_display_point(&snapshot);
12855 let start_row = start.row().0;
12856 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
12857 && end.column() == 0
12858 {
12859 end.row().0.saturating_sub(1)
12860 } else {
12861 end.row().0
12862 };
12863 for row in start_row..=end_row {
12864 let used_index =
12865 used_highlight_orders.entry(row).or_insert(highlight.index);
12866 if highlight.index >= *used_index {
12867 *used_index = highlight.index;
12868 unique_rows.insert(DisplayRow(row), highlight.color);
12869 }
12870 }
12871 unique_rows
12872 },
12873 )
12874 }
12875
12876 pub fn highlighted_display_row_for_autoscroll(
12877 &self,
12878 snapshot: &DisplaySnapshot,
12879 ) -> Option<DisplayRow> {
12880 self.highlighted_rows
12881 .values()
12882 .flat_map(|highlighted_rows| highlighted_rows.iter())
12883 .filter_map(|highlight| {
12884 if highlight.should_autoscroll {
12885 Some(highlight.range.start.to_display_point(snapshot).row())
12886 } else {
12887 None
12888 }
12889 })
12890 .min()
12891 }
12892
12893 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
12894 self.highlight_background::<SearchWithinRange>(
12895 ranges,
12896 |colors| colors.editor_document_highlight_read_background,
12897 cx,
12898 )
12899 }
12900
12901 pub fn set_breadcrumb_header(&mut self, new_header: String) {
12902 self.breadcrumb_header = Some(new_header);
12903 }
12904
12905 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
12906 self.clear_background_highlights::<SearchWithinRange>(cx);
12907 }
12908
12909 pub fn highlight_background<T: 'static>(
12910 &mut self,
12911 ranges: &[Range<Anchor>],
12912 color_fetcher: fn(&ThemeColors) -> Hsla,
12913 cx: &mut Context<Self>,
12914 ) {
12915 self.background_highlights
12916 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12917 self.scrollbar_marker_state.dirty = true;
12918 cx.notify();
12919 }
12920
12921 pub fn clear_background_highlights<T: 'static>(
12922 &mut self,
12923 cx: &mut Context<Self>,
12924 ) -> Option<BackgroundHighlight> {
12925 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
12926 if !text_highlights.1.is_empty() {
12927 self.scrollbar_marker_state.dirty = true;
12928 cx.notify();
12929 }
12930 Some(text_highlights)
12931 }
12932
12933 pub fn highlight_gutter<T: 'static>(
12934 &mut self,
12935 ranges: &[Range<Anchor>],
12936 color_fetcher: fn(&App) -> Hsla,
12937 cx: &mut Context<Self>,
12938 ) {
12939 self.gutter_highlights
12940 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12941 cx.notify();
12942 }
12943
12944 pub fn clear_gutter_highlights<T: 'static>(
12945 &mut self,
12946 cx: &mut Context<Self>,
12947 ) -> Option<GutterHighlight> {
12948 cx.notify();
12949 self.gutter_highlights.remove(&TypeId::of::<T>())
12950 }
12951
12952 #[cfg(feature = "test-support")]
12953 pub fn all_text_background_highlights(
12954 &self,
12955 window: &mut Window,
12956 cx: &mut Context<Self>,
12957 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
12958 let snapshot = self.snapshot(window, cx);
12959 let buffer = &snapshot.buffer_snapshot;
12960 let start = buffer.anchor_before(0);
12961 let end = buffer.anchor_after(buffer.len());
12962 let theme = cx.theme().colors();
12963 self.background_highlights_in_range(start..end, &snapshot, theme)
12964 }
12965
12966 #[cfg(feature = "test-support")]
12967 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
12968 let snapshot = self.buffer().read(cx).snapshot(cx);
12969
12970 let highlights = self
12971 .background_highlights
12972 .get(&TypeId::of::<items::BufferSearchHighlights>());
12973
12974 if let Some((_color, ranges)) = highlights {
12975 ranges
12976 .iter()
12977 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
12978 .collect_vec()
12979 } else {
12980 vec![]
12981 }
12982 }
12983
12984 fn document_highlights_for_position<'a>(
12985 &'a self,
12986 position: Anchor,
12987 buffer: &'a MultiBufferSnapshot,
12988 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
12989 let read_highlights = self
12990 .background_highlights
12991 .get(&TypeId::of::<DocumentHighlightRead>())
12992 .map(|h| &h.1);
12993 let write_highlights = self
12994 .background_highlights
12995 .get(&TypeId::of::<DocumentHighlightWrite>())
12996 .map(|h| &h.1);
12997 let left_position = position.bias_left(buffer);
12998 let right_position = position.bias_right(buffer);
12999 read_highlights
13000 .into_iter()
13001 .chain(write_highlights)
13002 .flat_map(move |ranges| {
13003 let start_ix = match ranges.binary_search_by(|probe| {
13004 let cmp = probe.end.cmp(&left_position, buffer);
13005 if cmp.is_ge() {
13006 Ordering::Greater
13007 } else {
13008 Ordering::Less
13009 }
13010 }) {
13011 Ok(i) | Err(i) => i,
13012 };
13013
13014 ranges[start_ix..]
13015 .iter()
13016 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13017 })
13018 }
13019
13020 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13021 self.background_highlights
13022 .get(&TypeId::of::<T>())
13023 .map_or(false, |(_, highlights)| !highlights.is_empty())
13024 }
13025
13026 pub fn background_highlights_in_range(
13027 &self,
13028 search_range: Range<Anchor>,
13029 display_snapshot: &DisplaySnapshot,
13030 theme: &ThemeColors,
13031 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13032 let mut results = Vec::new();
13033 for (color_fetcher, ranges) in self.background_highlights.values() {
13034 let color = color_fetcher(theme);
13035 let start_ix = match ranges.binary_search_by(|probe| {
13036 let cmp = probe
13037 .end
13038 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13039 if cmp.is_gt() {
13040 Ordering::Greater
13041 } else {
13042 Ordering::Less
13043 }
13044 }) {
13045 Ok(i) | Err(i) => i,
13046 };
13047 for range in &ranges[start_ix..] {
13048 if range
13049 .start
13050 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13051 .is_ge()
13052 {
13053 break;
13054 }
13055
13056 let start = range.start.to_display_point(display_snapshot);
13057 let end = range.end.to_display_point(display_snapshot);
13058 results.push((start..end, color))
13059 }
13060 }
13061 results
13062 }
13063
13064 pub fn background_highlight_row_ranges<T: 'static>(
13065 &self,
13066 search_range: Range<Anchor>,
13067 display_snapshot: &DisplaySnapshot,
13068 count: usize,
13069 ) -> Vec<RangeInclusive<DisplayPoint>> {
13070 let mut results = Vec::new();
13071 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13072 return vec![];
13073 };
13074
13075 let start_ix = match ranges.binary_search_by(|probe| {
13076 let cmp = probe
13077 .end
13078 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13079 if cmp.is_gt() {
13080 Ordering::Greater
13081 } else {
13082 Ordering::Less
13083 }
13084 }) {
13085 Ok(i) | Err(i) => i,
13086 };
13087 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13088 if let (Some(start_display), Some(end_display)) = (start, end) {
13089 results.push(
13090 start_display.to_display_point(display_snapshot)
13091 ..=end_display.to_display_point(display_snapshot),
13092 );
13093 }
13094 };
13095 let mut start_row: Option<Point> = None;
13096 let mut end_row: Option<Point> = None;
13097 if ranges.len() > count {
13098 return Vec::new();
13099 }
13100 for range in &ranges[start_ix..] {
13101 if range
13102 .start
13103 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13104 .is_ge()
13105 {
13106 break;
13107 }
13108 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13109 if let Some(current_row) = &end_row {
13110 if end.row == current_row.row {
13111 continue;
13112 }
13113 }
13114 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13115 if start_row.is_none() {
13116 assert_eq!(end_row, None);
13117 start_row = Some(start);
13118 end_row = Some(end);
13119 continue;
13120 }
13121 if let Some(current_end) = end_row.as_mut() {
13122 if start.row > current_end.row + 1 {
13123 push_region(start_row, end_row);
13124 start_row = Some(start);
13125 end_row = Some(end);
13126 } else {
13127 // Merge two hunks.
13128 *current_end = end;
13129 }
13130 } else {
13131 unreachable!();
13132 }
13133 }
13134 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13135 push_region(start_row, end_row);
13136 results
13137 }
13138
13139 pub fn gutter_highlights_in_range(
13140 &self,
13141 search_range: Range<Anchor>,
13142 display_snapshot: &DisplaySnapshot,
13143 cx: &App,
13144 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13145 let mut results = Vec::new();
13146 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13147 let color = color_fetcher(cx);
13148 let start_ix = match ranges.binary_search_by(|probe| {
13149 let cmp = probe
13150 .end
13151 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13152 if cmp.is_gt() {
13153 Ordering::Greater
13154 } else {
13155 Ordering::Less
13156 }
13157 }) {
13158 Ok(i) | Err(i) => i,
13159 };
13160 for range in &ranges[start_ix..] {
13161 if range
13162 .start
13163 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13164 .is_ge()
13165 {
13166 break;
13167 }
13168
13169 let start = range.start.to_display_point(display_snapshot);
13170 let end = range.end.to_display_point(display_snapshot);
13171 results.push((start..end, color))
13172 }
13173 }
13174 results
13175 }
13176
13177 /// Get the text ranges corresponding to the redaction query
13178 pub fn redacted_ranges(
13179 &self,
13180 search_range: Range<Anchor>,
13181 display_snapshot: &DisplaySnapshot,
13182 cx: &App,
13183 ) -> Vec<Range<DisplayPoint>> {
13184 display_snapshot
13185 .buffer_snapshot
13186 .redacted_ranges(search_range, |file| {
13187 if let Some(file) = file {
13188 file.is_private()
13189 && EditorSettings::get(
13190 Some(SettingsLocation {
13191 worktree_id: file.worktree_id(cx),
13192 path: file.path().as_ref(),
13193 }),
13194 cx,
13195 )
13196 .redact_private_values
13197 } else {
13198 false
13199 }
13200 })
13201 .map(|range| {
13202 range.start.to_display_point(display_snapshot)
13203 ..range.end.to_display_point(display_snapshot)
13204 })
13205 .collect()
13206 }
13207
13208 pub fn highlight_text<T: 'static>(
13209 &mut self,
13210 ranges: Vec<Range<Anchor>>,
13211 style: HighlightStyle,
13212 cx: &mut Context<Self>,
13213 ) {
13214 self.display_map.update(cx, |map, _| {
13215 map.highlight_text(TypeId::of::<T>(), ranges, style)
13216 });
13217 cx.notify();
13218 }
13219
13220 pub(crate) fn highlight_inlays<T: 'static>(
13221 &mut self,
13222 highlights: Vec<InlayHighlight>,
13223 style: HighlightStyle,
13224 cx: &mut Context<Self>,
13225 ) {
13226 self.display_map.update(cx, |map, _| {
13227 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13228 });
13229 cx.notify();
13230 }
13231
13232 pub fn text_highlights<'a, T: 'static>(
13233 &'a self,
13234 cx: &'a App,
13235 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13236 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13237 }
13238
13239 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13240 let cleared = self
13241 .display_map
13242 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13243 if cleared {
13244 cx.notify();
13245 }
13246 }
13247
13248 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13249 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13250 && self.focus_handle.is_focused(window)
13251 }
13252
13253 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13254 self.show_cursor_when_unfocused = is_enabled;
13255 cx.notify();
13256 }
13257
13258 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13259 self.project
13260 .as_ref()
13261 .map(|project| project.read(cx).lsp_store())
13262 }
13263
13264 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13265 cx.notify();
13266 }
13267
13268 fn on_buffer_event(
13269 &mut self,
13270 multibuffer: &Entity<MultiBuffer>,
13271 event: &multi_buffer::Event,
13272 window: &mut Window,
13273 cx: &mut Context<Self>,
13274 ) {
13275 match event {
13276 multi_buffer::Event::Edited {
13277 singleton_buffer_edited,
13278 edited_buffer: buffer_edited,
13279 } => {
13280 self.scrollbar_marker_state.dirty = true;
13281 self.active_indent_guides_state.dirty = true;
13282 self.refresh_active_diagnostics(cx);
13283 self.refresh_code_actions(window, cx);
13284 if self.has_active_inline_completion() {
13285 self.update_visible_inline_completion(window, cx);
13286 }
13287 if let Some(buffer) = buffer_edited {
13288 let buffer_id = buffer.read(cx).remote_id();
13289 if !self.registered_buffers.contains_key(&buffer_id) {
13290 if let Some(lsp_store) = self.lsp_store(cx) {
13291 lsp_store.update(cx, |lsp_store, cx| {
13292 self.registered_buffers.insert(
13293 buffer_id,
13294 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13295 );
13296 })
13297 }
13298 }
13299 }
13300 cx.emit(EditorEvent::BufferEdited);
13301 cx.emit(SearchEvent::MatchesInvalidated);
13302 if *singleton_buffer_edited {
13303 if let Some(project) = &self.project {
13304 let project = project.read(cx);
13305 #[allow(clippy::mutable_key_type)]
13306 let languages_affected = multibuffer
13307 .read(cx)
13308 .all_buffers()
13309 .into_iter()
13310 .filter_map(|buffer| {
13311 let buffer = buffer.read(cx);
13312 let language = buffer.language()?;
13313 if project.is_local()
13314 && project
13315 .language_servers_for_local_buffer(buffer, cx)
13316 .count()
13317 == 0
13318 {
13319 None
13320 } else {
13321 Some(language)
13322 }
13323 })
13324 .cloned()
13325 .collect::<HashSet<_>>();
13326 if !languages_affected.is_empty() {
13327 self.refresh_inlay_hints(
13328 InlayHintRefreshReason::BufferEdited(languages_affected),
13329 cx,
13330 );
13331 }
13332 }
13333 }
13334
13335 let Some(project) = &self.project else { return };
13336 let (telemetry, is_via_ssh) = {
13337 let project = project.read(cx);
13338 let telemetry = project.client().telemetry().clone();
13339 let is_via_ssh = project.is_via_ssh();
13340 (telemetry, is_via_ssh)
13341 };
13342 refresh_linked_ranges(self, window, cx);
13343 telemetry.log_edit_event("editor", is_via_ssh);
13344 }
13345 multi_buffer::Event::ExcerptsAdded {
13346 buffer,
13347 predecessor,
13348 excerpts,
13349 } => {
13350 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13351 let buffer_id = buffer.read(cx).remote_id();
13352 if self.buffer.read(cx).change_set_for(buffer_id).is_none() {
13353 if let Some(project) = &self.project {
13354 get_unstaged_changes_for_buffers(
13355 project,
13356 [buffer.clone()],
13357 self.buffer.clone(),
13358 cx,
13359 );
13360 }
13361 }
13362 cx.emit(EditorEvent::ExcerptsAdded {
13363 buffer: buffer.clone(),
13364 predecessor: *predecessor,
13365 excerpts: excerpts.clone(),
13366 });
13367 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13368 }
13369 multi_buffer::Event::ExcerptsRemoved { ids } => {
13370 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
13371 let buffer = self.buffer.read(cx);
13372 self.registered_buffers
13373 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
13374 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
13375 }
13376 multi_buffer::Event::ExcerptsEdited { ids } => {
13377 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
13378 }
13379 multi_buffer::Event::ExcerptsExpanded { ids } => {
13380 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13381 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
13382 }
13383 multi_buffer::Event::Reparsed(buffer_id) => {
13384 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13385
13386 cx.emit(EditorEvent::Reparsed(*buffer_id));
13387 }
13388 multi_buffer::Event::DiffHunksToggled => {
13389 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13390 }
13391 multi_buffer::Event::LanguageChanged(buffer_id) => {
13392 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
13393 cx.emit(EditorEvent::Reparsed(*buffer_id));
13394 cx.notify();
13395 }
13396 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
13397 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
13398 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
13399 cx.emit(EditorEvent::TitleChanged)
13400 }
13401 // multi_buffer::Event::DiffBaseChanged => {
13402 // self.scrollbar_marker_state.dirty = true;
13403 // cx.emit(EditorEvent::DiffBaseChanged);
13404 // cx.notify();
13405 // }
13406 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
13407 multi_buffer::Event::DiagnosticsUpdated => {
13408 self.refresh_active_diagnostics(cx);
13409 self.scrollbar_marker_state.dirty = true;
13410 cx.notify();
13411 }
13412 _ => {}
13413 };
13414 }
13415
13416 fn on_display_map_changed(
13417 &mut self,
13418 _: Entity<DisplayMap>,
13419 _: &mut Window,
13420 cx: &mut Context<Self>,
13421 ) {
13422 cx.notify();
13423 }
13424
13425 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13426 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13427 self.refresh_inline_completion(true, false, window, cx);
13428 self.refresh_inlay_hints(
13429 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
13430 self.selections.newest_anchor().head(),
13431 &self.buffer.read(cx).snapshot(cx),
13432 cx,
13433 )),
13434 cx,
13435 );
13436
13437 let old_cursor_shape = self.cursor_shape;
13438
13439 {
13440 let editor_settings = EditorSettings::get_global(cx);
13441 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
13442 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
13443 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
13444 }
13445
13446 if old_cursor_shape != self.cursor_shape {
13447 cx.emit(EditorEvent::CursorShapeChanged);
13448 }
13449
13450 let project_settings = ProjectSettings::get_global(cx);
13451 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
13452
13453 if self.mode == EditorMode::Full {
13454 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
13455 if self.git_blame_inline_enabled != inline_blame_enabled {
13456 self.toggle_git_blame_inline_internal(false, window, cx);
13457 }
13458 }
13459
13460 cx.notify();
13461 }
13462
13463 pub fn set_searchable(&mut self, searchable: bool) {
13464 self.searchable = searchable;
13465 }
13466
13467 pub fn searchable(&self) -> bool {
13468 self.searchable
13469 }
13470
13471 fn open_proposed_changes_editor(
13472 &mut self,
13473 _: &OpenProposedChangesEditor,
13474 window: &mut Window,
13475 cx: &mut Context<Self>,
13476 ) {
13477 let Some(workspace) = self.workspace() else {
13478 cx.propagate();
13479 return;
13480 };
13481
13482 let selections = self.selections.all::<usize>(cx);
13483 let multi_buffer = self.buffer.read(cx);
13484 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13485 let mut new_selections_by_buffer = HashMap::default();
13486 for selection in selections {
13487 for (buffer, range, _) in
13488 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
13489 {
13490 let mut range = range.to_point(buffer);
13491 range.start.column = 0;
13492 range.end.column = buffer.line_len(range.end.row);
13493 new_selections_by_buffer
13494 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
13495 .or_insert(Vec::new())
13496 .push(range)
13497 }
13498 }
13499
13500 let proposed_changes_buffers = new_selections_by_buffer
13501 .into_iter()
13502 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
13503 .collect::<Vec<_>>();
13504 let proposed_changes_editor = cx.new(|cx| {
13505 ProposedChangesEditor::new(
13506 "Proposed changes",
13507 proposed_changes_buffers,
13508 self.project.clone(),
13509 window,
13510 cx,
13511 )
13512 });
13513
13514 window.defer(cx, move |window, cx| {
13515 workspace.update(cx, |workspace, cx| {
13516 workspace.active_pane().update(cx, |pane, cx| {
13517 pane.add_item(
13518 Box::new(proposed_changes_editor),
13519 true,
13520 true,
13521 None,
13522 window,
13523 cx,
13524 );
13525 });
13526 });
13527 });
13528 }
13529
13530 pub fn open_excerpts_in_split(
13531 &mut self,
13532 _: &OpenExcerptsSplit,
13533 window: &mut Window,
13534 cx: &mut Context<Self>,
13535 ) {
13536 self.open_excerpts_common(None, true, window, cx)
13537 }
13538
13539 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
13540 self.open_excerpts_common(None, false, window, cx)
13541 }
13542
13543 fn open_excerpts_common(
13544 &mut self,
13545 jump_data: Option<JumpData>,
13546 split: bool,
13547 window: &mut Window,
13548 cx: &mut Context<Self>,
13549 ) {
13550 let Some(workspace) = self.workspace() else {
13551 cx.propagate();
13552 return;
13553 };
13554
13555 if self.buffer.read(cx).is_singleton() {
13556 cx.propagate();
13557 return;
13558 }
13559
13560 let mut new_selections_by_buffer = HashMap::default();
13561 match &jump_data {
13562 Some(JumpData::MultiBufferPoint {
13563 excerpt_id,
13564 position,
13565 anchor,
13566 line_offset_from_top,
13567 }) => {
13568 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
13569 if let Some(buffer) = multi_buffer_snapshot
13570 .buffer_id_for_excerpt(*excerpt_id)
13571 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
13572 {
13573 let buffer_snapshot = buffer.read(cx).snapshot();
13574 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
13575 language::ToPoint::to_point(anchor, &buffer_snapshot)
13576 } else {
13577 buffer_snapshot.clip_point(*position, Bias::Left)
13578 };
13579 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
13580 new_selections_by_buffer.insert(
13581 buffer,
13582 (
13583 vec![jump_to_offset..jump_to_offset],
13584 Some(*line_offset_from_top),
13585 ),
13586 );
13587 }
13588 }
13589 Some(JumpData::MultiBufferRow {
13590 row,
13591 line_offset_from_top,
13592 }) => {
13593 let point = MultiBufferPoint::new(row.0, 0);
13594 if let Some((buffer, buffer_point, _)) =
13595 self.buffer.read(cx).point_to_buffer_point(point, cx)
13596 {
13597 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
13598 new_selections_by_buffer
13599 .entry(buffer)
13600 .or_insert((Vec::new(), Some(*line_offset_from_top)))
13601 .0
13602 .push(buffer_offset..buffer_offset)
13603 }
13604 }
13605 None => {
13606 let selections = self.selections.all::<usize>(cx);
13607 let multi_buffer = self.buffer.read(cx);
13608 for selection in selections {
13609 for (buffer, mut range, _) in multi_buffer
13610 .snapshot(cx)
13611 .range_to_buffer_ranges(selection.range())
13612 {
13613 // When editing branch buffers, jump to the corresponding location
13614 // in their base buffer.
13615 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
13616 let buffer = buffer_handle.read(cx);
13617 if let Some(base_buffer) = buffer.base_buffer() {
13618 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
13619 buffer_handle = base_buffer;
13620 }
13621
13622 if selection.reversed {
13623 mem::swap(&mut range.start, &mut range.end);
13624 }
13625 new_selections_by_buffer
13626 .entry(buffer_handle)
13627 .or_insert((Vec::new(), None))
13628 .0
13629 .push(range)
13630 }
13631 }
13632 }
13633 }
13634
13635 if new_selections_by_buffer.is_empty() {
13636 return;
13637 }
13638
13639 // We defer the pane interaction because we ourselves are a workspace item
13640 // and activating a new item causes the pane to call a method on us reentrantly,
13641 // which panics if we're on the stack.
13642 window.defer(cx, move |window, cx| {
13643 workspace.update(cx, |workspace, cx| {
13644 let pane = if split {
13645 workspace.adjacent_pane(window, cx)
13646 } else {
13647 workspace.active_pane().clone()
13648 };
13649
13650 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
13651 let editor = buffer
13652 .read(cx)
13653 .file()
13654 .is_none()
13655 .then(|| {
13656 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
13657 // so `workspace.open_project_item` will never find them, always opening a new editor.
13658 // Instead, we try to activate the existing editor in the pane first.
13659 let (editor, pane_item_index) =
13660 pane.read(cx).items().enumerate().find_map(|(i, item)| {
13661 let editor = item.downcast::<Editor>()?;
13662 let singleton_buffer =
13663 editor.read(cx).buffer().read(cx).as_singleton()?;
13664 if singleton_buffer == buffer {
13665 Some((editor, i))
13666 } else {
13667 None
13668 }
13669 })?;
13670 pane.update(cx, |pane, cx| {
13671 pane.activate_item(pane_item_index, true, true, window, cx)
13672 });
13673 Some(editor)
13674 })
13675 .flatten()
13676 .unwrap_or_else(|| {
13677 workspace.open_project_item::<Self>(
13678 pane.clone(),
13679 buffer,
13680 true,
13681 true,
13682 window,
13683 cx,
13684 )
13685 });
13686
13687 editor.update(cx, |editor, cx| {
13688 let autoscroll = match scroll_offset {
13689 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
13690 None => Autoscroll::newest(),
13691 };
13692 let nav_history = editor.nav_history.take();
13693 editor.change_selections(Some(autoscroll), window, cx, |s| {
13694 s.select_ranges(ranges);
13695 });
13696 editor.nav_history = nav_history;
13697 });
13698 }
13699 })
13700 });
13701 }
13702
13703 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
13704 let snapshot = self.buffer.read(cx).read(cx);
13705 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
13706 Some(
13707 ranges
13708 .iter()
13709 .map(move |range| {
13710 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
13711 })
13712 .collect(),
13713 )
13714 }
13715
13716 fn selection_replacement_ranges(
13717 &self,
13718 range: Range<OffsetUtf16>,
13719 cx: &mut App,
13720 ) -> Vec<Range<OffsetUtf16>> {
13721 let selections = self.selections.all::<OffsetUtf16>(cx);
13722 let newest_selection = selections
13723 .iter()
13724 .max_by_key(|selection| selection.id)
13725 .unwrap();
13726 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
13727 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
13728 let snapshot = self.buffer.read(cx).read(cx);
13729 selections
13730 .into_iter()
13731 .map(|mut selection| {
13732 selection.start.0 =
13733 (selection.start.0 as isize).saturating_add(start_delta) as usize;
13734 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
13735 snapshot.clip_offset_utf16(selection.start, Bias::Left)
13736 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
13737 })
13738 .collect()
13739 }
13740
13741 fn report_editor_event(
13742 &self,
13743 event_type: &'static str,
13744 file_extension: Option<String>,
13745 cx: &App,
13746 ) {
13747 if cfg!(any(test, feature = "test-support")) {
13748 return;
13749 }
13750
13751 let Some(project) = &self.project else { return };
13752
13753 // If None, we are in a file without an extension
13754 let file = self
13755 .buffer
13756 .read(cx)
13757 .as_singleton()
13758 .and_then(|b| b.read(cx).file());
13759 let file_extension = file_extension.or(file
13760 .as_ref()
13761 .and_then(|file| Path::new(file.file_name(cx)).extension())
13762 .and_then(|e| e.to_str())
13763 .map(|a| a.to_string()));
13764
13765 let vim_mode = cx
13766 .global::<SettingsStore>()
13767 .raw_user_settings()
13768 .get("vim_mode")
13769 == Some(&serde_json::Value::Bool(true));
13770
13771 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
13772 == language::language_settings::InlineCompletionProvider::Copilot;
13773 let copilot_enabled_for_language = self
13774 .buffer
13775 .read(cx)
13776 .settings_at(0, cx)
13777 .show_inline_completions;
13778
13779 let project = project.read(cx);
13780 telemetry::event!(
13781 event_type,
13782 file_extension,
13783 vim_mode,
13784 copilot_enabled,
13785 copilot_enabled_for_language,
13786 is_via_ssh = project.is_via_ssh(),
13787 );
13788 }
13789
13790 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
13791 /// with each line being an array of {text, highlight} objects.
13792 fn copy_highlight_json(
13793 &mut self,
13794 _: &CopyHighlightJson,
13795 window: &mut Window,
13796 cx: &mut Context<Self>,
13797 ) {
13798 #[derive(Serialize)]
13799 struct Chunk<'a> {
13800 text: String,
13801 highlight: Option<&'a str>,
13802 }
13803
13804 let snapshot = self.buffer.read(cx).snapshot(cx);
13805 let range = self
13806 .selected_text_range(false, window, cx)
13807 .and_then(|selection| {
13808 if selection.range.is_empty() {
13809 None
13810 } else {
13811 Some(selection.range)
13812 }
13813 })
13814 .unwrap_or_else(|| 0..snapshot.len());
13815
13816 let chunks = snapshot.chunks(range, true);
13817 let mut lines = Vec::new();
13818 let mut line: VecDeque<Chunk> = VecDeque::new();
13819
13820 let Some(style) = self.style.as_ref() else {
13821 return;
13822 };
13823
13824 for chunk in chunks {
13825 let highlight = chunk
13826 .syntax_highlight_id
13827 .and_then(|id| id.name(&style.syntax));
13828 let mut chunk_lines = chunk.text.split('\n').peekable();
13829 while let Some(text) = chunk_lines.next() {
13830 let mut merged_with_last_token = false;
13831 if let Some(last_token) = line.back_mut() {
13832 if last_token.highlight == highlight {
13833 last_token.text.push_str(text);
13834 merged_with_last_token = true;
13835 }
13836 }
13837
13838 if !merged_with_last_token {
13839 line.push_back(Chunk {
13840 text: text.into(),
13841 highlight,
13842 });
13843 }
13844
13845 if chunk_lines.peek().is_some() {
13846 if line.len() > 1 && line.front().unwrap().text.is_empty() {
13847 line.pop_front();
13848 }
13849 if line.len() > 1 && line.back().unwrap().text.is_empty() {
13850 line.pop_back();
13851 }
13852
13853 lines.push(mem::take(&mut line));
13854 }
13855 }
13856 }
13857
13858 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
13859 return;
13860 };
13861 cx.write_to_clipboard(ClipboardItem::new_string(lines));
13862 }
13863
13864 pub fn open_context_menu(
13865 &mut self,
13866 _: &OpenContextMenu,
13867 window: &mut Window,
13868 cx: &mut Context<Self>,
13869 ) {
13870 self.request_autoscroll(Autoscroll::newest(), cx);
13871 let position = self.selections.newest_display(cx).start;
13872 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
13873 }
13874
13875 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
13876 &self.inlay_hint_cache
13877 }
13878
13879 pub fn replay_insert_event(
13880 &mut self,
13881 text: &str,
13882 relative_utf16_range: Option<Range<isize>>,
13883 window: &mut Window,
13884 cx: &mut Context<Self>,
13885 ) {
13886 if !self.input_enabled {
13887 cx.emit(EditorEvent::InputIgnored { text: text.into() });
13888 return;
13889 }
13890 if let Some(relative_utf16_range) = relative_utf16_range {
13891 let selections = self.selections.all::<OffsetUtf16>(cx);
13892 self.change_selections(None, window, cx, |s| {
13893 let new_ranges = selections.into_iter().map(|range| {
13894 let start = OffsetUtf16(
13895 range
13896 .head()
13897 .0
13898 .saturating_add_signed(relative_utf16_range.start),
13899 );
13900 let end = OffsetUtf16(
13901 range
13902 .head()
13903 .0
13904 .saturating_add_signed(relative_utf16_range.end),
13905 );
13906 start..end
13907 });
13908 s.select_ranges(new_ranges);
13909 });
13910 }
13911
13912 self.handle_input(text, window, cx);
13913 }
13914
13915 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
13916 let Some(provider) = self.semantics_provider.as_ref() else {
13917 return false;
13918 };
13919
13920 let mut supports = false;
13921 self.buffer().read(cx).for_each_buffer(|buffer| {
13922 supports |= provider.supports_inlay_hints(buffer, cx);
13923 });
13924 supports
13925 }
13926 pub fn is_focused(&self, window: &mut Window) -> bool {
13927 self.focus_handle.is_focused(window)
13928 }
13929
13930 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13931 cx.emit(EditorEvent::Focused);
13932
13933 if let Some(descendant) = self
13934 .last_focused_descendant
13935 .take()
13936 .and_then(|descendant| descendant.upgrade())
13937 {
13938 window.focus(&descendant);
13939 } else {
13940 if let Some(blame) = self.blame.as_ref() {
13941 blame.update(cx, GitBlame::focus)
13942 }
13943
13944 self.blink_manager.update(cx, BlinkManager::enable);
13945 self.show_cursor_names(window, cx);
13946 self.buffer.update(cx, |buffer, cx| {
13947 buffer.finalize_last_transaction(cx);
13948 if self.leader_peer_id.is_none() {
13949 buffer.set_active_selections(
13950 &self.selections.disjoint_anchors(),
13951 self.selections.line_mode,
13952 self.cursor_shape,
13953 cx,
13954 );
13955 }
13956 });
13957 }
13958 }
13959
13960 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
13961 cx.emit(EditorEvent::FocusedIn)
13962 }
13963
13964 fn handle_focus_out(
13965 &mut self,
13966 event: FocusOutEvent,
13967 _window: &mut Window,
13968 _cx: &mut Context<Self>,
13969 ) {
13970 if event.blurred != self.focus_handle {
13971 self.last_focused_descendant = Some(event.blurred);
13972 }
13973 }
13974
13975 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13976 self.blink_manager.update(cx, BlinkManager::disable);
13977 self.buffer
13978 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
13979
13980 if let Some(blame) = self.blame.as_ref() {
13981 blame.update(cx, GitBlame::blur)
13982 }
13983 if !self.hover_state.focused(window, cx) {
13984 hide_hover(self, cx);
13985 }
13986
13987 self.hide_context_menu(window, cx);
13988 cx.emit(EditorEvent::Blurred);
13989 cx.notify();
13990 }
13991
13992 pub fn register_action<A: Action>(
13993 &mut self,
13994 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
13995 ) -> Subscription {
13996 let id = self.next_editor_action_id.post_inc();
13997 let listener = Arc::new(listener);
13998 self.editor_actions.borrow_mut().insert(
13999 id,
14000 Box::new(move |window, _| {
14001 let listener = listener.clone();
14002 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14003 let action = action.downcast_ref().unwrap();
14004 if phase == DispatchPhase::Bubble {
14005 listener(action, window, cx)
14006 }
14007 })
14008 }),
14009 );
14010
14011 let editor_actions = self.editor_actions.clone();
14012 Subscription::new(move || {
14013 editor_actions.borrow_mut().remove(&id);
14014 })
14015 }
14016
14017 pub fn file_header_size(&self) -> u32 {
14018 FILE_HEADER_HEIGHT
14019 }
14020
14021 pub fn revert(
14022 &mut self,
14023 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14024 window: &mut Window,
14025 cx: &mut Context<Self>,
14026 ) {
14027 self.buffer().update(cx, |multi_buffer, cx| {
14028 for (buffer_id, changes) in revert_changes {
14029 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14030 buffer.update(cx, |buffer, cx| {
14031 buffer.edit(
14032 changes.into_iter().map(|(range, text)| {
14033 (range, text.to_string().map(Arc::<str>::from))
14034 }),
14035 None,
14036 cx,
14037 );
14038 });
14039 }
14040 }
14041 });
14042 self.change_selections(None, window, cx, |selections| selections.refresh());
14043 }
14044
14045 pub fn to_pixel_point(
14046 &self,
14047 source: multi_buffer::Anchor,
14048 editor_snapshot: &EditorSnapshot,
14049 window: &mut Window,
14050 ) -> Option<gpui::Point<Pixels>> {
14051 let source_point = source.to_display_point(editor_snapshot);
14052 self.display_to_pixel_point(source_point, editor_snapshot, window)
14053 }
14054
14055 pub fn display_to_pixel_point(
14056 &self,
14057 source: DisplayPoint,
14058 editor_snapshot: &EditorSnapshot,
14059 window: &mut Window,
14060 ) -> Option<gpui::Point<Pixels>> {
14061 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14062 let text_layout_details = self.text_layout_details(window);
14063 let scroll_top = text_layout_details
14064 .scroll_anchor
14065 .scroll_position(editor_snapshot)
14066 .y;
14067
14068 if source.row().as_f32() < scroll_top.floor() {
14069 return None;
14070 }
14071 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14072 let source_y = line_height * (source.row().as_f32() - scroll_top);
14073 Some(gpui::Point::new(source_x, source_y))
14074 }
14075
14076 pub fn has_active_completions_menu(&self) -> bool {
14077 self.context_menu.borrow().as_ref().map_or(false, |menu| {
14078 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14079 })
14080 }
14081
14082 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14083 self.addons
14084 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14085 }
14086
14087 pub fn unregister_addon<T: Addon>(&mut self) {
14088 self.addons.remove(&std::any::TypeId::of::<T>());
14089 }
14090
14091 pub fn addon<T: Addon>(&self) -> Option<&T> {
14092 let type_id = std::any::TypeId::of::<T>();
14093 self.addons
14094 .get(&type_id)
14095 .and_then(|item| item.to_any().downcast_ref::<T>())
14096 }
14097
14098 fn character_size(&self, window: &mut Window) -> gpui::Point<Pixels> {
14099 let text_layout_details = self.text_layout_details(window);
14100 let style = &text_layout_details.editor_style;
14101 let font_id = window.text_system().resolve_font(&style.text.font());
14102 let font_size = style.text.font_size.to_pixels(window.rem_size());
14103 let line_height = style.text.line_height_in_pixels(window.rem_size());
14104
14105 let em_width = window
14106 .text_system()
14107 .typographic_bounds(font_id, font_size, 'm')
14108 .unwrap()
14109 .size
14110 .width;
14111
14112 gpui::Point::new(em_width, line_height)
14113 }
14114}
14115
14116fn get_unstaged_changes_for_buffers(
14117 project: &Entity<Project>,
14118 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14119 buffer: Entity<MultiBuffer>,
14120 cx: &mut App,
14121) {
14122 let mut tasks = Vec::new();
14123 project.update(cx, |project, cx| {
14124 for buffer in buffers {
14125 tasks.push(project.open_unstaged_changes(buffer.clone(), cx))
14126 }
14127 });
14128 cx.spawn(|mut cx| async move {
14129 let change_sets = futures::future::join_all(tasks).await;
14130 buffer
14131 .update(&mut cx, |buffer, cx| {
14132 for change_set in change_sets {
14133 if let Some(change_set) = change_set.log_err() {
14134 buffer.add_change_set(change_set, cx);
14135 }
14136 }
14137 })
14138 .ok();
14139 })
14140 .detach();
14141}
14142
14143fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14144 let tab_size = tab_size.get() as usize;
14145 let mut width = offset;
14146
14147 for ch in text.chars() {
14148 width += if ch == '\t' {
14149 tab_size - (width % tab_size)
14150 } else {
14151 1
14152 };
14153 }
14154
14155 width - offset
14156}
14157
14158#[cfg(test)]
14159mod tests {
14160 use super::*;
14161
14162 #[test]
14163 fn test_string_size_with_expanded_tabs() {
14164 let nz = |val| NonZeroU32::new(val).unwrap();
14165 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14166 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14167 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14168 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14169 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14170 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14171 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14172 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14173 }
14174}
14175
14176/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14177struct WordBreakingTokenizer<'a> {
14178 input: &'a str,
14179}
14180
14181impl<'a> WordBreakingTokenizer<'a> {
14182 fn new(input: &'a str) -> Self {
14183 Self { input }
14184 }
14185}
14186
14187fn is_char_ideographic(ch: char) -> bool {
14188 use unicode_script::Script::*;
14189 use unicode_script::UnicodeScript;
14190 matches!(ch.script(), Han | Tangut | Yi)
14191}
14192
14193fn is_grapheme_ideographic(text: &str) -> bool {
14194 text.chars().any(is_char_ideographic)
14195}
14196
14197fn is_grapheme_whitespace(text: &str) -> bool {
14198 text.chars().any(|x| x.is_whitespace())
14199}
14200
14201fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14202 text.chars().next().map_or(false, |ch| {
14203 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14204 })
14205}
14206
14207#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14208struct WordBreakToken<'a> {
14209 token: &'a str,
14210 grapheme_len: usize,
14211 is_whitespace: bool,
14212}
14213
14214impl<'a> Iterator for WordBreakingTokenizer<'a> {
14215 /// Yields a span, the count of graphemes in the token, and whether it was
14216 /// whitespace. Note that it also breaks at word boundaries.
14217 type Item = WordBreakToken<'a>;
14218
14219 fn next(&mut self) -> Option<Self::Item> {
14220 use unicode_segmentation::UnicodeSegmentation;
14221 if self.input.is_empty() {
14222 return None;
14223 }
14224
14225 let mut iter = self.input.graphemes(true).peekable();
14226 let mut offset = 0;
14227 let mut graphemes = 0;
14228 if let Some(first_grapheme) = iter.next() {
14229 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14230 offset += first_grapheme.len();
14231 graphemes += 1;
14232 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14233 if let Some(grapheme) = iter.peek().copied() {
14234 if should_stay_with_preceding_ideograph(grapheme) {
14235 offset += grapheme.len();
14236 graphemes += 1;
14237 }
14238 }
14239 } else {
14240 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14241 let mut next_word_bound = words.peek().copied();
14242 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14243 next_word_bound = words.next();
14244 }
14245 while let Some(grapheme) = iter.peek().copied() {
14246 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14247 break;
14248 };
14249 if is_grapheme_whitespace(grapheme) != is_whitespace {
14250 break;
14251 };
14252 offset += grapheme.len();
14253 graphemes += 1;
14254 iter.next();
14255 }
14256 }
14257 let token = &self.input[..offset];
14258 self.input = &self.input[offset..];
14259 if is_whitespace {
14260 Some(WordBreakToken {
14261 token: " ",
14262 grapheme_len: 1,
14263 is_whitespace: true,
14264 })
14265 } else {
14266 Some(WordBreakToken {
14267 token,
14268 grapheme_len: graphemes,
14269 is_whitespace: false,
14270 })
14271 }
14272 } else {
14273 None
14274 }
14275 }
14276}
14277
14278#[test]
14279fn test_word_breaking_tokenizer() {
14280 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14281 ("", &[]),
14282 (" ", &[(" ", 1, true)]),
14283 ("Ʒ", &[("Ʒ", 1, false)]),
14284 ("Ǽ", &[("Ǽ", 1, false)]),
14285 ("⋑", &[("⋑", 1, false)]),
14286 ("⋑⋑", &[("⋑⋑", 2, false)]),
14287 (
14288 "原理，进而",
14289 &[
14290 ("原", 1, false),
14291 ("理，", 2, false),
14292 ("进", 1, false),
14293 ("而", 1, false),
14294 ],
14295 ),
14296 (
14297 "hello world",
14298 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14299 ),
14300 (
14301 "hello, world",
14302 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14303 ),
14304 (
14305 " hello world",
14306 &[
14307 (" ", 1, true),
14308 ("hello", 5, false),
14309 (" ", 1, true),
14310 ("world", 5, false),
14311 ],
14312 ),
14313 (
14314 "这是什么 \n 钢笔",
14315 &[
14316 ("这", 1, false),
14317 ("是", 1, false),
14318 ("什", 1, false),
14319 ("么", 1, false),
14320 (" ", 1, true),
14321 ("钢", 1, false),
14322 ("笔", 1, false),
14323 ],
14324 ),
14325 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14326 ];
14327
14328 for (input, result) in tests {
14329 assert_eq!(
14330 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14331 result
14332 .iter()
14333 .copied()
14334 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14335 token,
14336 grapheme_len,
14337 is_whitespace,
14338 })
14339 .collect::<Vec<_>>()
14340 );
14341 }
14342}
14343
14344fn wrap_with_prefix(
14345 line_prefix: String,
14346 unwrapped_text: String,
14347 wrap_column: usize,
14348 tab_size: NonZeroU32,
14349) -> String {
14350 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14351 let mut wrapped_text = String::new();
14352 let mut current_line = line_prefix.clone();
14353
14354 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14355 let mut current_line_len = line_prefix_len;
14356 for WordBreakToken {
14357 token,
14358 grapheme_len,
14359 is_whitespace,
14360 } in tokenizer
14361 {
14362 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
14363 wrapped_text.push_str(current_line.trim_end());
14364 wrapped_text.push('\n');
14365 current_line.truncate(line_prefix.len());
14366 current_line_len = line_prefix_len;
14367 if !is_whitespace {
14368 current_line.push_str(token);
14369 current_line_len += grapheme_len;
14370 }
14371 } else if !is_whitespace {
14372 current_line.push_str(token);
14373 current_line_len += grapheme_len;
14374 } else if current_line_len != line_prefix_len {
14375 current_line.push(' ');
14376 current_line_len += 1;
14377 }
14378 }
14379
14380 if !current_line.is_empty() {
14381 wrapped_text.push_str(¤t_line);
14382 }
14383 wrapped_text
14384}
14385
14386#[test]
14387fn test_wrap_with_prefix() {
14388 assert_eq!(
14389 wrap_with_prefix(
14390 "# ".to_string(),
14391 "abcdefg".to_string(),
14392 4,
14393 NonZeroU32::new(4).unwrap()
14394 ),
14395 "# abcdefg"
14396 );
14397 assert_eq!(
14398 wrap_with_prefix(
14399 "".to_string(),
14400 "\thello world".to_string(),
14401 8,
14402 NonZeroU32::new(4).unwrap()
14403 ),
14404 "hello\nworld"
14405 );
14406 assert_eq!(
14407 wrap_with_prefix(
14408 "// ".to_string(),
14409 "xx \nyy zz aa bb cc".to_string(),
14410 12,
14411 NonZeroU32::new(4).unwrap()
14412 ),
14413 "// xx yy zz\n// aa bb cc"
14414 );
14415 assert_eq!(
14416 wrap_with_prefix(
14417 String::new(),
14418 "这是什么 \n 钢笔".to_string(),
14419 3,
14420 NonZeroU32::new(4).unwrap()
14421 ),
14422 "这是什\n么 钢\n笔"
14423 );
14424}
14425
14426pub trait CollaborationHub {
14427 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
14428 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
14429 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
14430}
14431
14432impl CollaborationHub for Entity<Project> {
14433 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
14434 self.read(cx).collaborators()
14435 }
14436
14437 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
14438 self.read(cx).user_store().read(cx).participant_indices()
14439 }
14440
14441 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
14442 let this = self.read(cx);
14443 let user_ids = this.collaborators().values().map(|c| c.user_id);
14444 this.user_store().read_with(cx, |user_store, cx| {
14445 user_store.participant_names(user_ids, cx)
14446 })
14447 }
14448}
14449
14450pub trait SemanticsProvider {
14451 fn hover(
14452 &self,
14453 buffer: &Entity<Buffer>,
14454 position: text::Anchor,
14455 cx: &mut App,
14456 ) -> Option<Task<Vec<project::Hover>>>;
14457
14458 fn inlay_hints(
14459 &self,
14460 buffer_handle: Entity<Buffer>,
14461 range: Range<text::Anchor>,
14462 cx: &mut App,
14463 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
14464
14465 fn resolve_inlay_hint(
14466 &self,
14467 hint: InlayHint,
14468 buffer_handle: Entity<Buffer>,
14469 server_id: LanguageServerId,
14470 cx: &mut App,
14471 ) -> Option<Task<anyhow::Result<InlayHint>>>;
14472
14473 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
14474
14475 fn document_highlights(
14476 &self,
14477 buffer: &Entity<Buffer>,
14478 position: text::Anchor,
14479 cx: &mut App,
14480 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
14481
14482 fn definitions(
14483 &self,
14484 buffer: &Entity<Buffer>,
14485 position: text::Anchor,
14486 kind: GotoDefinitionKind,
14487 cx: &mut App,
14488 ) -> Option<Task<Result<Vec<LocationLink>>>>;
14489
14490 fn range_for_rename(
14491 &self,
14492 buffer: &Entity<Buffer>,
14493 position: text::Anchor,
14494 cx: &mut App,
14495 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
14496
14497 fn perform_rename(
14498 &self,
14499 buffer: &Entity<Buffer>,
14500 position: text::Anchor,
14501 new_name: String,
14502 cx: &mut App,
14503 ) -> Option<Task<Result<ProjectTransaction>>>;
14504}
14505
14506pub trait CompletionProvider {
14507 fn completions(
14508 &self,
14509 buffer: &Entity<Buffer>,
14510 buffer_position: text::Anchor,
14511 trigger: CompletionContext,
14512 window: &mut Window,
14513 cx: &mut Context<Editor>,
14514 ) -> Task<Result<Vec<Completion>>>;
14515
14516 fn resolve_completions(
14517 &self,
14518 buffer: Entity<Buffer>,
14519 completion_indices: Vec<usize>,
14520 completions: Rc<RefCell<Box<[Completion]>>>,
14521 cx: &mut Context<Editor>,
14522 ) -> Task<Result<bool>>;
14523
14524 fn apply_additional_edits_for_completion(
14525 &self,
14526 _buffer: Entity<Buffer>,
14527 _completions: Rc<RefCell<Box<[Completion]>>>,
14528 _completion_index: usize,
14529 _push_to_history: bool,
14530 _cx: &mut Context<Editor>,
14531 ) -> Task<Result<Option<language::Transaction>>> {
14532 Task::ready(Ok(None))
14533 }
14534
14535 fn is_completion_trigger(
14536 &self,
14537 buffer: &Entity<Buffer>,
14538 position: language::Anchor,
14539 text: &str,
14540 trigger_in_words: bool,
14541 cx: &mut Context<Editor>,
14542 ) -> bool;
14543
14544 fn sort_completions(&self) -> bool {
14545 true
14546 }
14547}
14548
14549pub trait CodeActionProvider {
14550 fn id(&self) -> Arc<str>;
14551
14552 fn code_actions(
14553 &self,
14554 buffer: &Entity<Buffer>,
14555 range: Range<text::Anchor>,
14556 window: &mut Window,
14557 cx: &mut App,
14558 ) -> Task<Result<Vec<CodeAction>>>;
14559
14560 fn apply_code_action(
14561 &self,
14562 buffer_handle: Entity<Buffer>,
14563 action: CodeAction,
14564 excerpt_id: ExcerptId,
14565 push_to_history: bool,
14566 window: &mut Window,
14567 cx: &mut App,
14568 ) -> Task<Result<ProjectTransaction>>;
14569}
14570
14571impl CodeActionProvider for Entity<Project> {
14572 fn id(&self) -> Arc<str> {
14573 "project".into()
14574 }
14575
14576 fn code_actions(
14577 &self,
14578 buffer: &Entity<Buffer>,
14579 range: Range<text::Anchor>,
14580 _window: &mut Window,
14581 cx: &mut App,
14582 ) -> Task<Result<Vec<CodeAction>>> {
14583 self.update(cx, |project, cx| {
14584 project.code_actions(buffer, range, None, cx)
14585 })
14586 }
14587
14588 fn apply_code_action(
14589 &self,
14590 buffer_handle: Entity<Buffer>,
14591 action: CodeAction,
14592 _excerpt_id: ExcerptId,
14593 push_to_history: bool,
14594 _window: &mut Window,
14595 cx: &mut App,
14596 ) -> Task<Result<ProjectTransaction>> {
14597 self.update(cx, |project, cx| {
14598 project.apply_code_action(buffer_handle, action, push_to_history, cx)
14599 })
14600 }
14601}
14602
14603fn snippet_completions(
14604 project: &Project,
14605 buffer: &Entity<Buffer>,
14606 buffer_position: text::Anchor,
14607 cx: &mut App,
14608) -> Task<Result<Vec<Completion>>> {
14609 let language = buffer.read(cx).language_at(buffer_position);
14610 let language_name = language.as_ref().map(|language| language.lsp_id());
14611 let snippet_store = project.snippets().read(cx);
14612 let snippets = snippet_store.snippets_for(language_name, cx);
14613
14614 if snippets.is_empty() {
14615 return Task::ready(Ok(vec![]));
14616 }
14617 let snapshot = buffer.read(cx).text_snapshot();
14618 let chars: String = snapshot
14619 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
14620 .collect();
14621
14622 let scope = language.map(|language| language.default_scope());
14623 let executor = cx.background_executor().clone();
14624
14625 cx.background_executor().spawn(async move {
14626 let classifier = CharClassifier::new(scope).for_completion(true);
14627 let mut last_word = chars
14628 .chars()
14629 .take_while(|c| classifier.is_word(*c))
14630 .collect::<String>();
14631 last_word = last_word.chars().rev().collect();
14632
14633 if last_word.is_empty() {
14634 return Ok(vec![]);
14635 }
14636
14637 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
14638 let to_lsp = |point: &text::Anchor| {
14639 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
14640 point_to_lsp(end)
14641 };
14642 let lsp_end = to_lsp(&buffer_position);
14643
14644 let candidates = snippets
14645 .iter()
14646 .enumerate()
14647 .flat_map(|(ix, snippet)| {
14648 snippet
14649 .prefix
14650 .iter()
14651 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
14652 })
14653 .collect::<Vec<StringMatchCandidate>>();
14654
14655 let mut matches = fuzzy::match_strings(
14656 &candidates,
14657 &last_word,
14658 last_word.chars().any(|c| c.is_uppercase()),
14659 100,
14660 &Default::default(),
14661 executor,
14662 )
14663 .await;
14664
14665 // Remove all candidates where the query's start does not match the start of any word in the candidate
14666 if let Some(query_start) = last_word.chars().next() {
14667 matches.retain(|string_match| {
14668 split_words(&string_match.string).any(|word| {
14669 // Check that the first codepoint of the word as lowercase matches the first
14670 // codepoint of the query as lowercase
14671 word.chars()
14672 .flat_map(|codepoint| codepoint.to_lowercase())
14673 .zip(query_start.to_lowercase())
14674 .all(|(word_cp, query_cp)| word_cp == query_cp)
14675 })
14676 });
14677 }
14678
14679 let matched_strings = matches
14680 .into_iter()
14681 .map(|m| m.string)
14682 .collect::<HashSet<_>>();
14683
14684 let result: Vec<Completion> = snippets
14685 .into_iter()
14686 .filter_map(|snippet| {
14687 let matching_prefix = snippet
14688 .prefix
14689 .iter()
14690 .find(|prefix| matched_strings.contains(*prefix))?;
14691 let start = as_offset - last_word.len();
14692 let start = snapshot.anchor_before(start);
14693 let range = start..buffer_position;
14694 let lsp_start = to_lsp(&start);
14695 let lsp_range = lsp::Range {
14696 start: lsp_start,
14697 end: lsp_end,
14698 };
14699 Some(Completion {
14700 old_range: range,
14701 new_text: snippet.body.clone(),
14702 resolved: false,
14703 label: CodeLabel {
14704 text: matching_prefix.clone(),
14705 runs: vec![],
14706 filter_range: 0..matching_prefix.len(),
14707 },
14708 server_id: LanguageServerId(usize::MAX),
14709 documentation: snippet.description.clone().map(Documentation::SingleLine),
14710 lsp_completion: lsp::CompletionItem {
14711 label: snippet.prefix.first().unwrap().clone(),
14712 kind: Some(CompletionItemKind::SNIPPET),
14713 label_details: snippet.description.as_ref().map(|description| {
14714 lsp::CompletionItemLabelDetails {
14715 detail: Some(description.clone()),
14716 description: None,
14717 }
14718 }),
14719 insert_text_format: Some(InsertTextFormat::SNIPPET),
14720 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
14721 lsp::InsertReplaceEdit {
14722 new_text: snippet.body.clone(),
14723 insert: lsp_range,
14724 replace: lsp_range,
14725 },
14726 )),
14727 filter_text: Some(snippet.body.clone()),
14728 sort_text: Some(char::MAX.to_string()),
14729 ..Default::default()
14730 },
14731 confirm: None,
14732 })
14733 })
14734 .collect();
14735
14736 Ok(result)
14737 })
14738}
14739
14740impl CompletionProvider for Entity<Project> {
14741 fn completions(
14742 &self,
14743 buffer: &Entity<Buffer>,
14744 buffer_position: text::Anchor,
14745 options: CompletionContext,
14746 _window: &mut Window,
14747 cx: &mut Context<Editor>,
14748 ) -> Task<Result<Vec<Completion>>> {
14749 self.update(cx, |project, cx| {
14750 let snippets = snippet_completions(project, buffer, buffer_position, cx);
14751 let project_completions = project.completions(buffer, buffer_position, options, cx);
14752 cx.background_executor().spawn(async move {
14753 let mut completions = project_completions.await?;
14754 let snippets_completions = snippets.await?;
14755 completions.extend(snippets_completions);
14756 Ok(completions)
14757 })
14758 })
14759 }
14760
14761 fn resolve_completions(
14762 &self,
14763 buffer: Entity<Buffer>,
14764 completion_indices: Vec<usize>,
14765 completions: Rc<RefCell<Box<[Completion]>>>,
14766 cx: &mut Context<Editor>,
14767 ) -> Task<Result<bool>> {
14768 self.update(cx, |project, cx| {
14769 project.lsp_store().update(cx, |lsp_store, cx| {
14770 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
14771 })
14772 })
14773 }
14774
14775 fn apply_additional_edits_for_completion(
14776 &self,
14777 buffer: Entity<Buffer>,
14778 completions: Rc<RefCell<Box<[Completion]>>>,
14779 completion_index: usize,
14780 push_to_history: bool,
14781 cx: &mut Context<Editor>,
14782 ) -> Task<Result<Option<language::Transaction>>> {
14783 self.update(cx, |project, cx| {
14784 project.lsp_store().update(cx, |lsp_store, cx| {
14785 lsp_store.apply_additional_edits_for_completion(
14786 buffer,
14787 completions,
14788 completion_index,
14789 push_to_history,
14790 cx,
14791 )
14792 })
14793 })
14794 }
14795
14796 fn is_completion_trigger(
14797 &self,
14798 buffer: &Entity<Buffer>,
14799 position: language::Anchor,
14800 text: &str,
14801 trigger_in_words: bool,
14802 cx: &mut Context<Editor>,
14803 ) -> bool {
14804 let mut chars = text.chars();
14805 let char = if let Some(char) = chars.next() {
14806 char
14807 } else {
14808 return false;
14809 };
14810 if chars.next().is_some() {
14811 return false;
14812 }
14813
14814 let buffer = buffer.read(cx);
14815 let snapshot = buffer.snapshot();
14816 if !snapshot.settings_at(position, cx).show_completions_on_input {
14817 return false;
14818 }
14819 let classifier = snapshot.char_classifier_at(position).for_completion(true);
14820 if trigger_in_words && classifier.is_word(char) {
14821 return true;
14822 }
14823
14824 buffer.completion_triggers().contains(text)
14825 }
14826}
14827
14828impl SemanticsProvider for Entity<Project> {
14829 fn hover(
14830 &self,
14831 buffer: &Entity<Buffer>,
14832 position: text::Anchor,
14833 cx: &mut App,
14834 ) -> Option<Task<Vec<project::Hover>>> {
14835 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
14836 }
14837
14838 fn document_highlights(
14839 &self,
14840 buffer: &Entity<Buffer>,
14841 position: text::Anchor,
14842 cx: &mut App,
14843 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
14844 Some(self.update(cx, |project, cx| {
14845 project.document_highlights(buffer, position, cx)
14846 }))
14847 }
14848
14849 fn definitions(
14850 &self,
14851 buffer: &Entity<Buffer>,
14852 position: text::Anchor,
14853 kind: GotoDefinitionKind,
14854 cx: &mut App,
14855 ) -> Option<Task<Result<Vec<LocationLink>>>> {
14856 Some(self.update(cx, |project, cx| match kind {
14857 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
14858 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
14859 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
14860 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
14861 }))
14862 }
14863
14864 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
14865 // TODO: make this work for remote projects
14866 self.read(cx)
14867 .language_servers_for_local_buffer(buffer.read(cx), cx)
14868 .any(
14869 |(_, server)| match server.capabilities().inlay_hint_provider {
14870 Some(lsp::OneOf::Left(enabled)) => enabled,
14871 Some(lsp::OneOf::Right(_)) => true,
14872 None => false,
14873 },
14874 )
14875 }
14876
14877 fn inlay_hints(
14878 &self,
14879 buffer_handle: Entity<Buffer>,
14880 range: Range<text::Anchor>,
14881 cx: &mut App,
14882 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
14883 Some(self.update(cx, |project, cx| {
14884 project.inlay_hints(buffer_handle, range, cx)
14885 }))
14886 }
14887
14888 fn resolve_inlay_hint(
14889 &self,
14890 hint: InlayHint,
14891 buffer_handle: Entity<Buffer>,
14892 server_id: LanguageServerId,
14893 cx: &mut App,
14894 ) -> Option<Task<anyhow::Result<InlayHint>>> {
14895 Some(self.update(cx, |project, cx| {
14896 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
14897 }))
14898 }
14899
14900 fn range_for_rename(
14901 &self,
14902 buffer: &Entity<Buffer>,
14903 position: text::Anchor,
14904 cx: &mut App,
14905 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
14906 Some(self.update(cx, |project, cx| {
14907 let buffer = buffer.clone();
14908 let task = project.prepare_rename(buffer.clone(), position, cx);
14909 cx.spawn(|_, mut cx| async move {
14910 Ok(match task.await? {
14911 PrepareRenameResponse::Success(range) => Some(range),
14912 PrepareRenameResponse::InvalidPosition => None,
14913 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
14914 // Fallback on using TreeSitter info to determine identifier range
14915 buffer.update(&mut cx, |buffer, _| {
14916 let snapshot = buffer.snapshot();
14917 let (range, kind) = snapshot.surrounding_word(position);
14918 if kind != Some(CharKind::Word) {
14919 return None;
14920 }
14921 Some(
14922 snapshot.anchor_before(range.start)
14923 ..snapshot.anchor_after(range.end),
14924 )
14925 })?
14926 }
14927 })
14928 })
14929 }))
14930 }
14931
14932 fn perform_rename(
14933 &self,
14934 buffer: &Entity<Buffer>,
14935 position: text::Anchor,
14936 new_name: String,
14937 cx: &mut App,
14938 ) -> Option<Task<Result<ProjectTransaction>>> {
14939 Some(self.update(cx, |project, cx| {
14940 project.perform_rename(buffer.clone(), position, new_name, cx)
14941 }))
14942 }
14943}
14944
14945fn inlay_hint_settings(
14946 location: Anchor,
14947 snapshot: &MultiBufferSnapshot,
14948 cx: &mut Context<Editor>,
14949) -> InlayHintSettings {
14950 let file = snapshot.file_at(location);
14951 let language = snapshot.language_at(location).map(|l| l.name());
14952 language_settings(language, file, cx).inlay_hints
14953}
14954
14955fn consume_contiguous_rows(
14956 contiguous_row_selections: &mut Vec<Selection<Point>>,
14957 selection: &Selection<Point>,
14958 display_map: &DisplaySnapshot,
14959 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
14960) -> (MultiBufferRow, MultiBufferRow) {
14961 contiguous_row_selections.push(selection.clone());
14962 let start_row = MultiBufferRow(selection.start.row);
14963 let mut end_row = ending_row(selection, display_map);
14964
14965 while let Some(next_selection) = selections.peek() {
14966 if next_selection.start.row <= end_row.0 {
14967 end_row = ending_row(next_selection, display_map);
14968 contiguous_row_selections.push(selections.next().unwrap().clone());
14969 } else {
14970 break;
14971 }
14972 }
14973 (start_row, end_row)
14974}
14975
14976fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
14977 if next_selection.end.column > 0 || next_selection.is_empty() {
14978 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
14979 } else {
14980 MultiBufferRow(next_selection.end.row)
14981 }
14982}
14983
14984impl EditorSnapshot {
14985 pub fn remote_selections_in_range<'a>(
14986 &'a self,
14987 range: &'a Range<Anchor>,
14988 collaboration_hub: &dyn CollaborationHub,
14989 cx: &'a App,
14990 ) -> impl 'a + Iterator<Item = RemoteSelection> {
14991 let participant_names = collaboration_hub.user_names(cx);
14992 let participant_indices = collaboration_hub.user_participant_indices(cx);
14993 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
14994 let collaborators_by_replica_id = collaborators_by_peer_id
14995 .iter()
14996 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
14997 .collect::<HashMap<_, _>>();
14998 self.buffer_snapshot
14999 .selections_in_range(range, false)
15000 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15001 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15002 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15003 let user_name = participant_names.get(&collaborator.user_id).cloned();
15004 Some(RemoteSelection {
15005 replica_id,
15006 selection,
15007 cursor_shape,
15008 line_mode,
15009 participant_index,
15010 peer_id: collaborator.peer_id,
15011 user_name,
15012 })
15013 })
15014 }
15015
15016 pub fn hunks_for_ranges(
15017 &self,
15018 ranges: impl Iterator<Item = Range<Point>>,
15019 ) -> Vec<MultiBufferDiffHunk> {
15020 let mut hunks = Vec::new();
15021 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15022 HashMap::default();
15023 for query_range in ranges {
15024 let query_rows =
15025 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15026 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15027 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15028 ) {
15029 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15030 // when the caret is just above or just below the deleted hunk.
15031 let allow_adjacent = hunk.status() == DiffHunkStatus::Removed;
15032 let related_to_selection = if allow_adjacent {
15033 hunk.row_range.overlaps(&query_rows)
15034 || hunk.row_range.start == query_rows.end
15035 || hunk.row_range.end == query_rows.start
15036 } else {
15037 hunk.row_range.overlaps(&query_rows)
15038 };
15039 if related_to_selection {
15040 if !processed_buffer_rows
15041 .entry(hunk.buffer_id)
15042 .or_default()
15043 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15044 {
15045 continue;
15046 }
15047 hunks.push(hunk);
15048 }
15049 }
15050 }
15051
15052 hunks
15053 }
15054
15055 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15056 self.display_snapshot.buffer_snapshot.language_at(position)
15057 }
15058
15059 pub fn is_focused(&self) -> bool {
15060 self.is_focused
15061 }
15062
15063 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15064 self.placeholder_text.as_ref()
15065 }
15066
15067 pub fn scroll_position(&self) -> gpui::Point<f32> {
15068 self.scroll_anchor.scroll_position(&self.display_snapshot)
15069 }
15070
15071 fn gutter_dimensions(
15072 &self,
15073 font_id: FontId,
15074 font_size: Pixels,
15075 em_width: Pixels,
15076 em_advance: Pixels,
15077 max_line_number_width: Pixels,
15078 cx: &App,
15079 ) -> GutterDimensions {
15080 if !self.show_gutter {
15081 return GutterDimensions::default();
15082 }
15083 let descent = cx.text_system().descent(font_id, font_size);
15084
15085 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15086 matches!(
15087 ProjectSettings::get_global(cx).git.git_gutter,
15088 Some(GitGutterSetting::TrackedFiles)
15089 )
15090 });
15091 let gutter_settings = EditorSettings::get_global(cx).gutter;
15092 let show_line_numbers = self
15093 .show_line_numbers
15094 .unwrap_or(gutter_settings.line_numbers);
15095 let line_gutter_width = if show_line_numbers {
15096 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15097 let min_width_for_number_on_gutter = em_advance * 4.0;
15098 max_line_number_width.max(min_width_for_number_on_gutter)
15099 } else {
15100 0.0.into()
15101 };
15102
15103 let show_code_actions = self
15104 .show_code_actions
15105 .unwrap_or(gutter_settings.code_actions);
15106
15107 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15108
15109 let git_blame_entries_width =
15110 self.git_blame_gutter_max_author_length
15111 .map(|max_author_length| {
15112 // Length of the author name, but also space for the commit hash,
15113 // the spacing and the timestamp.
15114 let max_char_count = max_author_length
15115 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15116 + 7 // length of commit sha
15117 + 14 // length of max relative timestamp ("60 minutes ago")
15118 + 4; // gaps and margins
15119
15120 em_advance * max_char_count
15121 });
15122
15123 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15124 left_padding += if show_code_actions || show_runnables {
15125 em_width * 3.0
15126 } else if show_git_gutter && show_line_numbers {
15127 em_width * 2.0
15128 } else if show_git_gutter || show_line_numbers {
15129 em_width
15130 } else {
15131 px(0.)
15132 };
15133
15134 let right_padding = if gutter_settings.folds && show_line_numbers {
15135 em_width * 4.0
15136 } else if gutter_settings.folds {
15137 em_width * 3.0
15138 } else if show_line_numbers {
15139 em_width
15140 } else {
15141 px(0.)
15142 };
15143
15144 GutterDimensions {
15145 left_padding,
15146 right_padding,
15147 width: line_gutter_width + left_padding + right_padding,
15148 margin: -descent,
15149 git_blame_entries_width,
15150 }
15151 }
15152
15153 pub fn render_crease_toggle(
15154 &self,
15155 buffer_row: MultiBufferRow,
15156 row_contains_cursor: bool,
15157 editor: Entity<Editor>,
15158 window: &mut Window,
15159 cx: &mut App,
15160 ) -> Option<AnyElement> {
15161 let folded = self.is_line_folded(buffer_row);
15162 let mut is_foldable = false;
15163
15164 if let Some(crease) = self
15165 .crease_snapshot
15166 .query_row(buffer_row, &self.buffer_snapshot)
15167 {
15168 is_foldable = true;
15169 match crease {
15170 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15171 if let Some(render_toggle) = render_toggle {
15172 let toggle_callback =
15173 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15174 if folded {
15175 editor.update(cx, |editor, cx| {
15176 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15177 });
15178 } else {
15179 editor.update(cx, |editor, cx| {
15180 editor.unfold_at(
15181 &crate::UnfoldAt { buffer_row },
15182 window,
15183 cx,
15184 )
15185 });
15186 }
15187 });
15188 return Some((render_toggle)(
15189 buffer_row,
15190 folded,
15191 toggle_callback,
15192 window,
15193 cx,
15194 ));
15195 }
15196 }
15197 }
15198 }
15199
15200 is_foldable |= self.starts_indent(buffer_row);
15201
15202 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15203 Some(
15204 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15205 .toggle_state(folded)
15206 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15207 if folded {
15208 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15209 } else {
15210 this.fold_at(&FoldAt { buffer_row }, window, cx);
15211 }
15212 }))
15213 .into_any_element(),
15214 )
15215 } else {
15216 None
15217 }
15218 }
15219
15220 pub fn render_crease_trailer(
15221 &self,
15222 buffer_row: MultiBufferRow,
15223 window: &mut Window,
15224 cx: &mut App,
15225 ) -> Option<AnyElement> {
15226 let folded = self.is_line_folded(buffer_row);
15227 if let Crease::Inline { render_trailer, .. } = self
15228 .crease_snapshot
15229 .query_row(buffer_row, &self.buffer_snapshot)?
15230 {
15231 let render_trailer = render_trailer.as_ref()?;
15232 Some(render_trailer(buffer_row, folded, window, cx))
15233 } else {
15234 None
15235 }
15236 }
15237}
15238
15239impl Deref for EditorSnapshot {
15240 type Target = DisplaySnapshot;
15241
15242 fn deref(&self) -> &Self::Target {
15243 &self.display_snapshot
15244 }
15245}
15246
15247#[derive(Clone, Debug, PartialEq, Eq)]
15248pub enum EditorEvent {
15249 InputIgnored {
15250 text: Arc<str>,
15251 },
15252 InputHandled {
15253 utf16_range_to_replace: Option<Range<isize>>,
15254 text: Arc<str>,
15255 },
15256 ExcerptsAdded {
15257 buffer: Entity<Buffer>,
15258 predecessor: ExcerptId,
15259 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15260 },
15261 ExcerptsRemoved {
15262 ids: Vec<ExcerptId>,
15263 },
15264 BufferFoldToggled {
15265 ids: Vec<ExcerptId>,
15266 folded: bool,
15267 },
15268 ExcerptsEdited {
15269 ids: Vec<ExcerptId>,
15270 },
15271 ExcerptsExpanded {
15272 ids: Vec<ExcerptId>,
15273 },
15274 BufferEdited,
15275 Edited {
15276 transaction_id: clock::Lamport,
15277 },
15278 Reparsed(BufferId),
15279 Focused,
15280 FocusedIn,
15281 Blurred,
15282 DirtyChanged,
15283 Saved,
15284 TitleChanged,
15285 DiffBaseChanged,
15286 SelectionsChanged {
15287 local: bool,
15288 },
15289 ScrollPositionChanged {
15290 local: bool,
15291 autoscroll: bool,
15292 },
15293 Closed,
15294 TransactionUndone {
15295 transaction_id: clock::Lamport,
15296 },
15297 TransactionBegun {
15298 transaction_id: clock::Lamport,
15299 },
15300 Reloaded,
15301 CursorShapeChanged,
15302}
15303
15304impl EventEmitter<EditorEvent> for Editor {}
15305
15306impl Focusable for Editor {
15307 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15308 self.focus_handle.clone()
15309 }
15310}
15311
15312impl Render for Editor {
15313 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15314 let settings = ThemeSettings::get_global(cx);
15315
15316 let mut text_style = match self.mode {
15317 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15318 color: cx.theme().colors().editor_foreground,
15319 font_family: settings.ui_font.family.clone(),
15320 font_features: settings.ui_font.features.clone(),
15321 font_fallbacks: settings.ui_font.fallbacks.clone(),
15322 font_size: rems(0.875).into(),
15323 font_weight: settings.ui_font.weight,
15324 line_height: relative(settings.buffer_line_height.value()),
15325 ..Default::default()
15326 },
15327 EditorMode::Full => TextStyle {
15328 color: cx.theme().colors().editor_foreground,
15329 font_family: settings.buffer_font.family.clone(),
15330 font_features: settings.buffer_font.features.clone(),
15331 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15332 font_size: settings.buffer_font_size().into(),
15333 font_weight: settings.buffer_font.weight,
15334 line_height: relative(settings.buffer_line_height.value()),
15335 ..Default::default()
15336 },
15337 };
15338 if let Some(text_style_refinement) = &self.text_style_refinement {
15339 text_style.refine(text_style_refinement)
15340 }
15341
15342 let background = match self.mode {
15343 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15344 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15345 EditorMode::Full => cx.theme().colors().editor_background,
15346 };
15347
15348 EditorElement::new(
15349 &cx.entity(),
15350 EditorStyle {
15351 background,
15352 local_player: cx.theme().players().local(),
15353 text: text_style,
15354 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
15355 syntax: cx.theme().syntax().clone(),
15356 status: cx.theme().status().clone(),
15357 inlay_hints_style: make_inlay_hints_style(cx),
15358 inline_completion_styles: make_suggestion_styles(cx),
15359 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
15360 },
15361 )
15362 }
15363}
15364
15365impl EntityInputHandler for Editor {
15366 fn text_for_range(
15367 &mut self,
15368 range_utf16: Range<usize>,
15369 adjusted_range: &mut Option<Range<usize>>,
15370 _: &mut Window,
15371 cx: &mut Context<Self>,
15372 ) -> Option<String> {
15373 let snapshot = self.buffer.read(cx).read(cx);
15374 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
15375 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
15376 if (start.0..end.0) != range_utf16 {
15377 adjusted_range.replace(start.0..end.0);
15378 }
15379 Some(snapshot.text_for_range(start..end).collect())
15380 }
15381
15382 fn selected_text_range(
15383 &mut self,
15384 ignore_disabled_input: bool,
15385 _: &mut Window,
15386 cx: &mut Context<Self>,
15387 ) -> Option<UTF16Selection> {
15388 // Prevent the IME menu from appearing when holding down an alphabetic key
15389 // while input is disabled.
15390 if !ignore_disabled_input && !self.input_enabled {
15391 return None;
15392 }
15393
15394 let selection = self.selections.newest::<OffsetUtf16>(cx);
15395 let range = selection.range();
15396
15397 Some(UTF16Selection {
15398 range: range.start.0..range.end.0,
15399 reversed: selection.reversed,
15400 })
15401 }
15402
15403 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
15404 let snapshot = self.buffer.read(cx).read(cx);
15405 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
15406 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
15407 }
15408
15409 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
15410 self.clear_highlights::<InputComposition>(cx);
15411 self.ime_transaction.take();
15412 }
15413
15414 fn replace_text_in_range(
15415 &mut self,
15416 range_utf16: Option<Range<usize>>,
15417 text: &str,
15418 window: &mut Window,
15419 cx: &mut Context<Self>,
15420 ) {
15421 if !self.input_enabled {
15422 cx.emit(EditorEvent::InputIgnored { text: text.into() });
15423 return;
15424 }
15425
15426 self.transact(window, cx, |this, window, cx| {
15427 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
15428 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15429 Some(this.selection_replacement_ranges(range_utf16, cx))
15430 } else {
15431 this.marked_text_ranges(cx)
15432 };
15433
15434 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
15435 let newest_selection_id = this.selections.newest_anchor().id;
15436 this.selections
15437 .all::<OffsetUtf16>(cx)
15438 .iter()
15439 .zip(ranges_to_replace.iter())
15440 .find_map(|(selection, range)| {
15441 if selection.id == newest_selection_id {
15442 Some(
15443 (range.start.0 as isize - selection.head().0 as isize)
15444 ..(range.end.0 as isize - selection.head().0 as isize),
15445 )
15446 } else {
15447 None
15448 }
15449 })
15450 });
15451
15452 cx.emit(EditorEvent::InputHandled {
15453 utf16_range_to_replace: range_to_replace,
15454 text: text.into(),
15455 });
15456
15457 if let Some(new_selected_ranges) = new_selected_ranges {
15458 this.change_selections(None, window, cx, |selections| {
15459 selections.select_ranges(new_selected_ranges)
15460 });
15461 this.backspace(&Default::default(), window, cx);
15462 }
15463
15464 this.handle_input(text, window, cx);
15465 });
15466
15467 if let Some(transaction) = self.ime_transaction {
15468 self.buffer.update(cx, |buffer, cx| {
15469 buffer.group_until_transaction(transaction, cx);
15470 });
15471 }
15472
15473 self.unmark_text(window, cx);
15474 }
15475
15476 fn replace_and_mark_text_in_range(
15477 &mut self,
15478 range_utf16: Option<Range<usize>>,
15479 text: &str,
15480 new_selected_range_utf16: Option<Range<usize>>,
15481 window: &mut Window,
15482 cx: &mut Context<Self>,
15483 ) {
15484 if !self.input_enabled {
15485 return;
15486 }
15487
15488 let transaction = self.transact(window, cx, |this, window, cx| {
15489 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
15490 let snapshot = this.buffer.read(cx).read(cx);
15491 if let Some(relative_range_utf16) = range_utf16.as_ref() {
15492 for marked_range in &mut marked_ranges {
15493 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
15494 marked_range.start.0 += relative_range_utf16.start;
15495 marked_range.start =
15496 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
15497 marked_range.end =
15498 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
15499 }
15500 }
15501 Some(marked_ranges)
15502 } else if let Some(range_utf16) = range_utf16 {
15503 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15504 Some(this.selection_replacement_ranges(range_utf16, cx))
15505 } else {
15506 None
15507 };
15508
15509 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
15510 let newest_selection_id = this.selections.newest_anchor().id;
15511 this.selections
15512 .all::<OffsetUtf16>(cx)
15513 .iter()
15514 .zip(ranges_to_replace.iter())
15515 .find_map(|(selection, range)| {
15516 if selection.id == newest_selection_id {
15517 Some(
15518 (range.start.0 as isize - selection.head().0 as isize)
15519 ..(range.end.0 as isize - selection.head().0 as isize),
15520 )
15521 } else {
15522 None
15523 }
15524 })
15525 });
15526
15527 cx.emit(EditorEvent::InputHandled {
15528 utf16_range_to_replace: range_to_replace,
15529 text: text.into(),
15530 });
15531
15532 if let Some(ranges) = ranges_to_replace {
15533 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
15534 }
15535
15536 let marked_ranges = {
15537 let snapshot = this.buffer.read(cx).read(cx);
15538 this.selections
15539 .disjoint_anchors()
15540 .iter()
15541 .map(|selection| {
15542 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
15543 })
15544 .collect::<Vec<_>>()
15545 };
15546
15547 if text.is_empty() {
15548 this.unmark_text(window, cx);
15549 } else {
15550 this.highlight_text::<InputComposition>(
15551 marked_ranges.clone(),
15552 HighlightStyle {
15553 underline: Some(UnderlineStyle {
15554 thickness: px(1.),
15555 color: None,
15556 wavy: false,
15557 }),
15558 ..Default::default()
15559 },
15560 cx,
15561 );
15562 }
15563
15564 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
15565 let use_autoclose = this.use_autoclose;
15566 let use_auto_surround = this.use_auto_surround;
15567 this.set_use_autoclose(false);
15568 this.set_use_auto_surround(false);
15569 this.handle_input(text, window, cx);
15570 this.set_use_autoclose(use_autoclose);
15571 this.set_use_auto_surround(use_auto_surround);
15572
15573 if let Some(new_selected_range) = new_selected_range_utf16 {
15574 let snapshot = this.buffer.read(cx).read(cx);
15575 let new_selected_ranges = marked_ranges
15576 .into_iter()
15577 .map(|marked_range| {
15578 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
15579 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
15580 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
15581 snapshot.clip_offset_utf16(new_start, Bias::Left)
15582 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
15583 })
15584 .collect::<Vec<_>>();
15585
15586 drop(snapshot);
15587 this.change_selections(None, window, cx, |selections| {
15588 selections.select_ranges(new_selected_ranges)
15589 });
15590 }
15591 });
15592
15593 self.ime_transaction = self.ime_transaction.or(transaction);
15594 if let Some(transaction) = self.ime_transaction {
15595 self.buffer.update(cx, |buffer, cx| {
15596 buffer.group_until_transaction(transaction, cx);
15597 });
15598 }
15599
15600 if self.text_highlights::<InputComposition>(cx).is_none() {
15601 self.ime_transaction.take();
15602 }
15603 }
15604
15605 fn bounds_for_range(
15606 &mut self,
15607 range_utf16: Range<usize>,
15608 element_bounds: gpui::Bounds<Pixels>,
15609 window: &mut Window,
15610 cx: &mut Context<Self>,
15611 ) -> Option<gpui::Bounds<Pixels>> {
15612 let text_layout_details = self.text_layout_details(window);
15613 let gpui::Point {
15614 x: em_width,
15615 y: line_height,
15616 } = self.character_size(window);
15617
15618 let snapshot = self.snapshot(window, cx);
15619 let scroll_position = snapshot.scroll_position();
15620 let scroll_left = scroll_position.x * em_width;
15621
15622 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
15623 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
15624 + self.gutter_dimensions.width
15625 + self.gutter_dimensions.margin;
15626 let y = line_height * (start.row().as_f32() - scroll_position.y);
15627
15628 Some(Bounds {
15629 origin: element_bounds.origin + point(x, y),
15630 size: size(em_width, line_height),
15631 })
15632 }
15633}
15634
15635trait SelectionExt {
15636 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
15637 fn spanned_rows(
15638 &self,
15639 include_end_if_at_line_start: bool,
15640 map: &DisplaySnapshot,
15641 ) -> Range<MultiBufferRow>;
15642}
15643
15644impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
15645 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
15646 let start = self
15647 .start
15648 .to_point(&map.buffer_snapshot)
15649 .to_display_point(map);
15650 let end = self
15651 .end
15652 .to_point(&map.buffer_snapshot)
15653 .to_display_point(map);
15654 if self.reversed {
15655 end..start
15656 } else {
15657 start..end
15658 }
15659 }
15660
15661 fn spanned_rows(
15662 &self,
15663 include_end_if_at_line_start: bool,
15664 map: &DisplaySnapshot,
15665 ) -> Range<MultiBufferRow> {
15666 let start = self.start.to_point(&map.buffer_snapshot);
15667 let mut end = self.end.to_point(&map.buffer_snapshot);
15668 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
15669 end.row -= 1;
15670 }
15671
15672 let buffer_start = map.prev_line_boundary(start).0;
15673 let buffer_end = map.next_line_boundary(end).0;
15674 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
15675 }
15676}
15677
15678impl<T: InvalidationRegion> InvalidationStack<T> {
15679 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
15680 where
15681 S: Clone + ToOffset,
15682 {
15683 while let Some(region) = self.last() {
15684 let all_selections_inside_invalidation_ranges =
15685 if selections.len() == region.ranges().len() {
15686 selections
15687 .iter()
15688 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
15689 .all(|(selection, invalidation_range)| {
15690 let head = selection.head().to_offset(buffer);
15691 invalidation_range.start <= head && invalidation_range.end >= head
15692 })
15693 } else {
15694 false
15695 };
15696
15697 if all_selections_inside_invalidation_ranges {
15698 break;
15699 } else {
15700 self.pop();
15701 }
15702 }
15703 }
15704}
15705
15706impl<T> Default for InvalidationStack<T> {
15707 fn default() -> Self {
15708 Self(Default::default())
15709 }
15710}
15711
15712impl<T> Deref for InvalidationStack<T> {
15713 type Target = Vec<T>;
15714
15715 fn deref(&self) -> &Self::Target {
15716 &self.0
15717 }
15718}
15719
15720impl<T> DerefMut for InvalidationStack<T> {
15721 fn deref_mut(&mut self) -> &mut Self::Target {
15722 &mut self.0
15723 }
15724}
15725
15726impl InvalidationRegion for SnippetState {
15727 fn ranges(&self) -> &[Range<Anchor>] {
15728 &self.ranges[self.active_index]
15729 }
15730}
15731
15732pub fn diagnostic_block_renderer(
15733 diagnostic: Diagnostic,
15734 max_message_rows: Option<u8>,
15735 allow_closing: bool,
15736 _is_valid: bool,
15737) -> RenderBlock {
15738 let (text_without_backticks, code_ranges) =
15739 highlight_diagnostic_message(&diagnostic, max_message_rows);
15740
15741 Arc::new(move |cx: &mut BlockContext| {
15742 let group_id: SharedString = cx.block_id.to_string().into();
15743
15744 let mut text_style = cx.window.text_style().clone();
15745 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
15746 let theme_settings = ThemeSettings::get_global(cx);
15747 text_style.font_family = theme_settings.buffer_font.family.clone();
15748 text_style.font_style = theme_settings.buffer_font.style;
15749 text_style.font_features = theme_settings.buffer_font.features.clone();
15750 text_style.font_weight = theme_settings.buffer_font.weight;
15751
15752 let multi_line_diagnostic = diagnostic.message.contains('\n');
15753
15754 let buttons = |diagnostic: &Diagnostic| {
15755 if multi_line_diagnostic {
15756 v_flex()
15757 } else {
15758 h_flex()
15759 }
15760 .when(allow_closing, |div| {
15761 div.children(diagnostic.is_primary.then(|| {
15762 IconButton::new("close-block", IconName::XCircle)
15763 .icon_color(Color::Muted)
15764 .size(ButtonSize::Compact)
15765 .style(ButtonStyle::Transparent)
15766 .visible_on_hover(group_id.clone())
15767 .on_click(move |_click, window, cx| {
15768 window.dispatch_action(Box::new(Cancel), cx)
15769 })
15770 .tooltip(|window, cx| {
15771 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
15772 })
15773 }))
15774 })
15775 .child(
15776 IconButton::new("copy-block", IconName::Copy)
15777 .icon_color(Color::Muted)
15778 .size(ButtonSize::Compact)
15779 .style(ButtonStyle::Transparent)
15780 .visible_on_hover(group_id.clone())
15781 .on_click({
15782 let message = diagnostic.message.clone();
15783 move |_click, _, cx| {
15784 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
15785 }
15786 })
15787 .tooltip(Tooltip::text("Copy diagnostic message")),
15788 )
15789 };
15790
15791 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
15792 AvailableSpace::min_size(),
15793 cx.window,
15794 cx.app,
15795 );
15796
15797 h_flex()
15798 .id(cx.block_id)
15799 .group(group_id.clone())
15800 .relative()
15801 .size_full()
15802 .block_mouse_down()
15803 .pl(cx.gutter_dimensions.width)
15804 .w(cx.max_width - cx.gutter_dimensions.full_width())
15805 .child(
15806 div()
15807 .flex()
15808 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
15809 .flex_shrink(),
15810 )
15811 .child(buttons(&diagnostic))
15812 .child(div().flex().flex_shrink_0().child(
15813 StyledText::new(text_without_backticks.clone()).with_highlights(
15814 &text_style,
15815 code_ranges.iter().map(|range| {
15816 (
15817 range.clone(),
15818 HighlightStyle {
15819 font_weight: Some(FontWeight::BOLD),
15820 ..Default::default()
15821 },
15822 )
15823 }),
15824 ),
15825 ))
15826 .into_any_element()
15827 })
15828}
15829
15830fn inline_completion_edit_text(
15831 editor_snapshot: &EditorSnapshot,
15832 edits: &Vec<(Range<Anchor>, String)>,
15833 include_deletions: bool,
15834 cx: &App,
15835) -> InlineCompletionText {
15836 let edit_start = edits
15837 .first()
15838 .unwrap()
15839 .0
15840 .start
15841 .to_display_point(editor_snapshot);
15842
15843 let mut text = String::new();
15844 let mut offset = DisplayPoint::new(edit_start.row(), 0).to_offset(editor_snapshot, Bias::Left);
15845 let mut highlights = Vec::new();
15846 for (old_range, new_text) in edits {
15847 let old_offset_range = old_range.to_offset(&editor_snapshot.buffer_snapshot);
15848 text.extend(
15849 editor_snapshot
15850 .buffer_snapshot
15851 .chunks(offset..old_offset_range.start, false)
15852 .map(|chunk| chunk.text),
15853 );
15854 offset = old_offset_range.end;
15855
15856 let start = text.len();
15857 let color = if include_deletions && new_text.is_empty() {
15858 text.extend(
15859 editor_snapshot
15860 .buffer_snapshot
15861 .chunks(old_offset_range.start..offset, false)
15862 .map(|chunk| chunk.text),
15863 );
15864 cx.theme().status().deleted_background
15865 } else {
15866 text.push_str(new_text);
15867 cx.theme().status().created_background
15868 };
15869 let end = text.len();
15870
15871 highlights.push((
15872 start..end,
15873 HighlightStyle {
15874 background_color: Some(color),
15875 ..Default::default()
15876 },
15877 ));
15878 }
15879
15880 let edit_end = edits
15881 .last()
15882 .unwrap()
15883 .0
15884 .end
15885 .to_display_point(editor_snapshot);
15886 let end_of_line = DisplayPoint::new(edit_end.row(), editor_snapshot.line_len(edit_end.row()))
15887 .to_offset(editor_snapshot, Bias::Right);
15888 text.extend(
15889 editor_snapshot
15890 .buffer_snapshot
15891 .chunks(offset..end_of_line, false)
15892 .map(|chunk| chunk.text),
15893 );
15894
15895 InlineCompletionText::Edit {
15896 text: text.into(),
15897 highlights,
15898 }
15899}
15900
15901pub fn highlight_diagnostic_message(
15902 diagnostic: &Diagnostic,
15903 mut max_message_rows: Option<u8>,
15904) -> (SharedString, Vec<Range<usize>>) {
15905 let mut text_without_backticks = String::new();
15906 let mut code_ranges = Vec::new();
15907
15908 if let Some(source) = &diagnostic.source {
15909 text_without_backticks.push_str(source);
15910 code_ranges.push(0..source.len());
15911 text_without_backticks.push_str(": ");
15912 }
15913
15914 let mut prev_offset = 0;
15915 let mut in_code_block = false;
15916 let has_row_limit = max_message_rows.is_some();
15917 let mut newline_indices = diagnostic
15918 .message
15919 .match_indices('\n')
15920 .filter(|_| has_row_limit)
15921 .map(|(ix, _)| ix)
15922 .fuse()
15923 .peekable();
15924
15925 for (quote_ix, _) in diagnostic
15926 .message
15927 .match_indices('`')
15928 .chain([(diagnostic.message.len(), "")])
15929 {
15930 let mut first_newline_ix = None;
15931 let mut last_newline_ix = None;
15932 while let Some(newline_ix) = newline_indices.peek() {
15933 if *newline_ix < quote_ix {
15934 if first_newline_ix.is_none() {
15935 first_newline_ix = Some(*newline_ix);
15936 }
15937 last_newline_ix = Some(*newline_ix);
15938
15939 if let Some(rows_left) = &mut max_message_rows {
15940 if *rows_left == 0 {
15941 break;
15942 } else {
15943 *rows_left -= 1;
15944 }
15945 }
15946 let _ = newline_indices.next();
15947 } else {
15948 break;
15949 }
15950 }
15951 let prev_len = text_without_backticks.len();
15952 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
15953 text_without_backticks.push_str(new_text);
15954 if in_code_block {
15955 code_ranges.push(prev_len..text_without_backticks.len());
15956 }
15957 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
15958 in_code_block = !in_code_block;
15959 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
15960 text_without_backticks.push_str("...");
15961 break;
15962 }
15963 }
15964
15965 (text_without_backticks.into(), code_ranges)
15966}
15967
15968fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
15969 match severity {
15970 DiagnosticSeverity::ERROR => colors.error,
15971 DiagnosticSeverity::WARNING => colors.warning,
15972 DiagnosticSeverity::INFORMATION => colors.info,
15973 DiagnosticSeverity::HINT => colors.info,
15974 _ => colors.ignored,
15975 }
15976}
15977
15978pub fn styled_runs_for_code_label<'a>(
15979 label: &'a CodeLabel,
15980 syntax_theme: &'a theme::SyntaxTheme,
15981) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
15982 let fade_out = HighlightStyle {
15983 fade_out: Some(0.35),
15984 ..Default::default()
15985 };
15986
15987 let mut prev_end = label.filter_range.end;
15988 label
15989 .runs
15990 .iter()
15991 .enumerate()
15992 .flat_map(move |(ix, (range, highlight_id))| {
15993 let style = if let Some(style) = highlight_id.style(syntax_theme) {
15994 style
15995 } else {
15996 return Default::default();
15997 };
15998 let mut muted_style = style;
15999 muted_style.highlight(fade_out);
16000
16001 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
16002 if range.start >= label.filter_range.end {
16003 if range.start > prev_end {
16004 runs.push((prev_end..range.start, fade_out));
16005 }
16006 runs.push((range.clone(), muted_style));
16007 } else if range.end <= label.filter_range.end {
16008 runs.push((range.clone(), style));
16009 } else {
16010 runs.push((range.start..label.filter_range.end, style));
16011 runs.push((label.filter_range.end..range.end, muted_style));
16012 }
16013 prev_end = cmp::max(prev_end, range.end);
16014
16015 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
16016 runs.push((prev_end..label.text.len(), fade_out));
16017 }
16018
16019 runs
16020 })
16021}
16022
16023pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
16024 let mut prev_index = 0;
16025 let mut prev_codepoint: Option<char> = None;
16026 text.char_indices()
16027 .chain([(text.len(), '\0')])
16028 .filter_map(move |(index, codepoint)| {
16029 let prev_codepoint = prev_codepoint.replace(codepoint)?;
16030 let is_boundary = index == text.len()
16031 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
16032 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
16033 if is_boundary {
16034 let chunk = &text[prev_index..index];
16035 prev_index = index;
16036 Some(chunk)
16037 } else {
16038 None
16039 }
16040 })
16041}
16042
16043pub trait RangeToAnchorExt: Sized {
16044 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16045
16046 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16047 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16048 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16049 }
16050}
16051
16052impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16053 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16054 let start_offset = self.start.to_offset(snapshot);
16055 let end_offset = self.end.to_offset(snapshot);
16056 if start_offset == end_offset {
16057 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16058 } else {
16059 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16060 }
16061 }
16062}
16063
16064pub trait RowExt {
16065 fn as_f32(&self) -> f32;
16066
16067 fn next_row(&self) -> Self;
16068
16069 fn previous_row(&self) -> Self;
16070
16071 fn minus(&self, other: Self) -> u32;
16072}
16073
16074impl RowExt for DisplayRow {
16075 fn as_f32(&self) -> f32 {
16076 self.0 as f32
16077 }
16078
16079 fn next_row(&self) -> Self {
16080 Self(self.0 + 1)
16081 }
16082
16083 fn previous_row(&self) -> Self {
16084 Self(self.0.saturating_sub(1))
16085 }
16086
16087 fn minus(&self, other: Self) -> u32 {
16088 self.0 - other.0
16089 }
16090}
16091
16092impl RowExt for MultiBufferRow {
16093 fn as_f32(&self) -> f32 {
16094 self.0 as f32
16095 }
16096
16097 fn next_row(&self) -> Self {
16098 Self(self.0 + 1)
16099 }
16100
16101 fn previous_row(&self) -> Self {
16102 Self(self.0.saturating_sub(1))
16103 }
16104
16105 fn minus(&self, other: Self) -> u32 {
16106 self.0 - other.0
16107 }
16108}
16109
16110trait RowRangeExt {
16111 type Row;
16112
16113 fn len(&self) -> usize;
16114
16115 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16116}
16117
16118impl RowRangeExt for Range<MultiBufferRow> {
16119 type Row = MultiBufferRow;
16120
16121 fn len(&self) -> usize {
16122 (self.end.0 - self.start.0) as usize
16123 }
16124
16125 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16126 (self.start.0..self.end.0).map(MultiBufferRow)
16127 }
16128}
16129
16130impl RowRangeExt for Range<DisplayRow> {
16131 type Row = DisplayRow;
16132
16133 fn len(&self) -> usize {
16134 (self.end.0 - self.start.0) as usize
16135 }
16136
16137 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16138 (self.start.0..self.end.0).map(DisplayRow)
16139 }
16140}
16141
16142/// If select range has more than one line, we
16143/// just point the cursor to range.start.
16144fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16145 if range.start.row == range.end.row {
16146 range
16147 } else {
16148 range.start..range.start
16149 }
16150}
16151pub struct KillRing(ClipboardItem);
16152impl Global for KillRing {}
16153
16154const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16155
16156fn all_edits_insertions_or_deletions(
16157 edits: &Vec<(Range<Anchor>, String)>,
16158 snapshot: &MultiBufferSnapshot,
16159) -> bool {
16160 let mut all_insertions = true;
16161 let mut all_deletions = true;
16162
16163 for (range, new_text) in edits.iter() {
16164 let range_is_empty = range.to_offset(&snapshot).is_empty();
16165 let text_is_empty = new_text.is_empty();
16166
16167 if range_is_empty != text_is_empty {
16168 if range_is_empty {
16169 all_deletions = false;
16170 } else {
16171 all_insertions = false;
16172 }
16173 } else {
16174 return false;
16175 }
16176
16177 if !all_insertions && !all_deletions {
16178 return false;
16179 }
16180 }
16181 all_insertions || all_deletions
16182}