1#![allow(rustdoc::private_intra_doc_links)]
2//! This is the place where everything editor-related is stored (data-wise) and displayed (ui-wise).
3//! The main point of interest in this crate is [`Editor`] type, which is used in every other Zed part as a user input element.
4//! It comes in different flavors: single line, multiline and a fixed height one.
5//!
6//! Editor contains of multiple large submodules:
7//! * [`element`] — the place where all rendering happens
8//! * [`display_map`] - chunks up text in the editor into the logical blocks, establishes coordinates and mapping between each of them.
9//! Contains all metadata related to text transformations (folds, fake inlay text insertions, soft wraps, tab markup, etc.).
10//! * [`inlay_hint_cache`] - is a storage of inlay hints out of LSP requests, responsible for querying LSP and updating `display_map`'s state accordingly.
11//!
12//! All other submodules and structs are mostly concerned with holding editor data about the way it displays current buffer region(s).
13//!
14//! If you're looking to improve Vim mode, you should check out Vim crate that wraps Editor and overrides its behavior.
15pub mod actions;
16mod blame_entry_tooltip;
17mod blink_manager;
18mod clangd_ext;
19mod code_context_menus;
20pub mod display_map;
21mod editor_settings;
22mod editor_settings_controls;
23mod element;
24mod git;
25mod highlight_matching_bracket;
26mod hover_links;
27mod hover_popover;
28mod indent_guides;
29mod inlay_hint_cache;
30pub mod items;
31mod linked_editing_ranges;
32mod lsp_ext;
33mod mouse_context_menu;
34pub mod movement;
35mod persistence;
36mod proposed_changes_editor;
37mod rust_analyzer_ext;
38pub mod scroll;
39mod selections_collection;
40pub mod tasks;
41
42#[cfg(test)]
43mod editor_tests;
44#[cfg(test)]
45mod inline_completion_tests;
46mod signature_help;
47#[cfg(any(test, feature = "test-support"))]
48pub mod test;
49
50use ::git::diff::DiffHunkStatus;
51pub(crate) use actions::*;
52pub use actions::{OpenExcerpts, OpenExcerptsSplit};
53use aho_corasick::AhoCorasick;
54use anyhow::{anyhow, Context as _, Result};
55use blink_manager::BlinkManager;
56use client::{Collaborator, ParticipantIndex};
57use clock::ReplicaId;
58use collections::{BTreeMap, HashMap, HashSet, VecDeque};
59use convert_case::{Case, Casing};
60use display_map::*;
61pub use display_map::{DisplayPoint, FoldPlaceholder};
62pub use editor_settings::{
63 CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,
64};
65pub use editor_settings_controls::*;
66use element::LineWithInvisibles;
67pub use element::{
68 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
69};
70use futures::{future, FutureExt};
71use fuzzy::StringMatchCandidate;
72use zed_predict_onboarding::ZedPredictModal;
73
74use code_context_menus::{
75 AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,
76 CompletionEntry, CompletionsMenu, ContextMenuOrigin,
77};
78use git::blame::GitBlame;
79use gpui::{
80 div, impl_actions, point, prelude::*, px, relative, size, Action, AnyElement, App,
81 AsyncWindowContext, AvailableSpace, Bounds, ClipboardEntry, ClipboardItem, Context,
82 DispatchPhase, ElementId, Entity, EntityInputHandler, EventEmitter, FocusHandle, FocusOutEvent,
83 Focusable, FontId, FontWeight, Global, HighlightStyle, Hsla, InteractiveText, KeyContext,
84 MouseButton, MouseDownEvent, PaintQuad, ParentElement, Pixels, Render, SharedString, Size,
85 Styled, StyledText, Subscription, Task, TextStyle, TextStyleRefinement, UTF16Selection,
86 UnderlineStyle, UniformListScrollHandle, WeakEntity, WeakFocusHandle, Window,
87};
88use highlight_matching_bracket::refresh_matching_bracket_highlights;
89use hover_popover::{hide_hover, HoverState};
90use indent_guides::ActiveIndentGuidesState;
91use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
92pub use inline_completion::Direction;
93use inline_completion::{InlineCompletionProvider, InlineCompletionProviderHandle};
94pub use items::MAX_TAB_TITLE_LEN;
95use itertools::Itertools;
96use language::{
97 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
98 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
99 CursorShape, Diagnostic, Documentation, EditPreview, HighlightedEdits, IndentKind, IndentSize,
100 Language, OffsetRangeExt, Point, Selection, SelectionGoal, TextObject, TransactionId,
101 TreeSitterOptions,
102};
103use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
104use linked_editing_ranges::refresh_linked_ranges;
105use mouse_context_menu::MouseContextMenu;
106pub use proposed_changes_editor::{
107 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
108};
109use similar::{ChangeTag, TextDiff};
110use std::iter::Peekable;
111use task::{ResolvedTask, TaskTemplate, TaskVariables};
112
113use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
114pub use lsp::CompletionContext;
115use lsp::{
116 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
117 LanguageServerId, LanguageServerName,
118};
119
120use language::BufferSnapshot;
121use movement::TextLayoutDetails;
122pub use multi_buffer::{
123 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, RowInfo,
124 ToOffset, ToPoint,
125};
126use multi_buffer::{
127 ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16,
128};
129use project::{
130 lsp_store::{FormatTrigger, LspFormatTarget, OpenLspBufferHandle},
131 project_settings::{GitGutterSetting, ProjectSettings},
132 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
133 LspStore, PrepareRenameResponse, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
134};
135use rand::prelude::*;
136use rpc::{proto::*, ErrorExt};
137use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
138use selections_collection::{
139 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
140};
141use serde::{Deserialize, Serialize};
142use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
143use smallvec::SmallVec;
144use snippet::Snippet;
145use std::{
146 any::TypeId,
147 borrow::Cow,
148 cell::RefCell,
149 cmp::{self, Ordering, Reverse},
150 mem,
151 num::NonZeroU32,
152 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
153 path::{Path, PathBuf},
154 rc::Rc,
155 sync::Arc,
156 time::{Duration, Instant},
157};
158pub use sum_tree::Bias;
159use sum_tree::TreeMap;
160use text::{BufferId, OffsetUtf16, Rope};
161use theme::{ActiveTheme, PlayerColor, StatusColors, SyntaxTheme, ThemeColors, ThemeSettings};
162use ui::{
163 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
164 Tooltip,
165};
166use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};
167use workspace::item::{ItemHandle, PreviewTabsSettings};
168use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
169use workspace::{
170 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
171};
172use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
173
174use crate::hover_links::{find_url, find_url_from_range};
175use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
176
177pub const FILE_HEADER_HEIGHT: u32 = 2;
178pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
179pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
180pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
181const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
182const MAX_LINE_LEN: usize = 1024;
183const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
184const MAX_SELECTION_HISTORY_LEN: usize = 1024;
185pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
186#[doc(hidden)]
187pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
188
189pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
190pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
191
192pub fn render_parsed_markdown(
193 element_id: impl Into<ElementId>,
194 parsed: &language::ParsedMarkdown,
195 editor_style: &EditorStyle,
196 workspace: Option<WeakEntity<Workspace>>,
197 cx: &mut App,
198) -> InteractiveText {
199 let code_span_background_color = cx
200 .theme()
201 .colors()
202 .editor_document_highlight_read_background;
203
204 let highlights = gpui::combine_highlights(
205 parsed.highlights.iter().filter_map(|(range, highlight)| {
206 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
207 Some((range.clone(), highlight))
208 }),
209 parsed
210 .regions
211 .iter()
212 .zip(&parsed.region_ranges)
213 .filter_map(|(region, range)| {
214 if region.code {
215 Some((
216 range.clone(),
217 HighlightStyle {
218 background_color: Some(code_span_background_color),
219 ..Default::default()
220 },
221 ))
222 } else {
223 None
224 }
225 }),
226 );
227
228 let mut links = Vec::new();
229 let mut link_ranges = Vec::new();
230 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
231 if let Some(link) = region.link.clone() {
232 links.push(link);
233 link_ranges.push(range.clone());
234 }
235 }
236
237 InteractiveText::new(
238 element_id,
239 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
240 )
241 .on_click(
242 link_ranges,
243 move |clicked_range_ix, window, cx| match &links[clicked_range_ix] {
244 markdown::Link::Web { url } => cx.open_url(url),
245 markdown::Link::Path { path } => {
246 if let Some(workspace) = &workspace {
247 _ = workspace.update(cx, |workspace, cx| {
248 workspace
249 .open_abs_path(path.clone(), false, window, cx)
250 .detach();
251 });
252 }
253 }
254 },
255 )
256}
257
258#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
259pub enum InlayId {
260 InlineCompletion(usize),
261 Hint(usize),
262}
263
264impl InlayId {
265 fn id(&self) -> usize {
266 match self {
267 Self::InlineCompletion(id) => *id,
268 Self::Hint(id) => *id,
269 }
270 }
271}
272
273enum DocumentHighlightRead {}
274enum DocumentHighlightWrite {}
275enum InputComposition {}
276
277#[derive(Debug, Copy, Clone, PartialEq, Eq)]
278pub enum Navigated {
279 Yes,
280 No,
281}
282
283impl Navigated {
284 pub fn from_bool(yes: bool) -> Navigated {
285 if yes {
286 Navigated::Yes
287 } else {
288 Navigated::No
289 }
290 }
291}
292
293pub fn init_settings(cx: &mut App) {
294 EditorSettings::register(cx);
295}
296
297pub fn init(cx: &mut App) {
298 init_settings(cx);
299
300 workspace::register_project_item::<Editor>(cx);
301 workspace::FollowableViewRegistry::register::<Editor>(cx);
302 workspace::register_serializable_item::<Editor>(cx);
303
304 cx.observe_new(
305 |workspace: &mut Workspace, _: Option<&mut Window>, _cx: &mut Context<Workspace>| {
306 workspace.register_action(Editor::new_file);
307 workspace.register_action(Editor::new_file_vertical);
308 workspace.register_action(Editor::new_file_horizontal);
309 },
310 )
311 .detach();
312
313 cx.on_action(move |_: &workspace::NewFile, cx| {
314 let app_state = workspace::AppState::global(cx);
315 if let Some(app_state) = app_state.upgrade() {
316 workspace::open_new(
317 Default::default(),
318 app_state,
319 cx,
320 |workspace, window, cx| {
321 Editor::new_file(workspace, &Default::default(), window, cx)
322 },
323 )
324 .detach();
325 }
326 });
327 cx.on_action(move |_: &workspace::NewWindow, cx| {
328 let app_state = workspace::AppState::global(cx);
329 if let Some(app_state) = app_state.upgrade() {
330 workspace::open_new(
331 Default::default(),
332 app_state,
333 cx,
334 |workspace, window, cx| {
335 Editor::new_file(workspace, &Default::default(), window, cx)
336 },
337 )
338 .detach();
339 }
340 });
341 git::project_diff::init(cx);
342}
343
344pub struct SearchWithinRange;
345
346trait InvalidationRegion {
347 fn ranges(&self) -> &[Range<Anchor>];
348}
349
350#[derive(Clone, Debug, PartialEq)]
351pub enum SelectPhase {
352 Begin {
353 position: DisplayPoint,
354 add: bool,
355 click_count: usize,
356 },
357 BeginColumnar {
358 position: DisplayPoint,
359 reset: bool,
360 goal_column: u32,
361 },
362 Extend {
363 position: DisplayPoint,
364 click_count: usize,
365 },
366 Update {
367 position: DisplayPoint,
368 goal_column: u32,
369 scroll_delta: gpui::Point<f32>,
370 },
371 End,
372}
373
374#[derive(Clone, Debug)]
375pub enum SelectMode {
376 Character,
377 Word(Range<Anchor>),
378 Line(Range<Anchor>),
379 All,
380}
381
382#[derive(Copy, Clone, PartialEq, Eq, Debug)]
383pub enum EditorMode {
384 SingleLine { auto_width: bool },
385 AutoHeight { max_lines: usize },
386 Full,
387}
388
389#[derive(Copy, Clone, Debug)]
390pub enum SoftWrap {
391 /// Prefer not to wrap at all.
392 ///
393 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
394 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
395 GitDiff,
396 /// Prefer a single line generally, unless an overly long line is encountered.
397 None,
398 /// Soft wrap lines that exceed the editor width.
399 EditorWidth,
400 /// Soft wrap lines at the preferred line length.
401 Column(u32),
402 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
403 Bounded(u32),
404}
405
406#[derive(Clone)]
407pub struct EditorStyle {
408 pub background: Hsla,
409 pub local_player: PlayerColor,
410 pub text: TextStyle,
411 pub scrollbar_width: Pixels,
412 pub syntax: Arc<SyntaxTheme>,
413 pub status: StatusColors,
414 pub inlay_hints_style: HighlightStyle,
415 pub inline_completion_styles: InlineCompletionStyles,
416 pub unnecessary_code_fade: f32,
417}
418
419impl Default for EditorStyle {
420 fn default() -> Self {
421 Self {
422 background: Hsla::default(),
423 local_player: PlayerColor::default(),
424 text: TextStyle::default(),
425 scrollbar_width: Pixels::default(),
426 syntax: Default::default(),
427 // HACK: Status colors don't have a real default.
428 // We should look into removing the status colors from the editor
429 // style and retrieve them directly from the theme.
430 status: StatusColors::dark(),
431 inlay_hints_style: HighlightStyle::default(),
432 inline_completion_styles: InlineCompletionStyles {
433 insertion: HighlightStyle::default(),
434 whitespace: HighlightStyle::default(),
435 },
436 unnecessary_code_fade: Default::default(),
437 }
438 }
439}
440
441pub fn make_inlay_hints_style(cx: &mut App) -> HighlightStyle {
442 let show_background = language_settings::language_settings(None, None, cx)
443 .inlay_hints
444 .show_background;
445
446 HighlightStyle {
447 color: Some(cx.theme().status().hint),
448 background_color: show_background.then(|| cx.theme().status().hint_background),
449 ..HighlightStyle::default()
450 }
451}
452
453pub fn make_suggestion_styles(cx: &mut App) -> InlineCompletionStyles {
454 InlineCompletionStyles {
455 insertion: HighlightStyle {
456 color: Some(cx.theme().status().predictive),
457 ..HighlightStyle::default()
458 },
459 whitespace: HighlightStyle {
460 background_color: Some(cx.theme().status().created_background),
461 ..HighlightStyle::default()
462 },
463 }
464}
465
466type CompletionId = usize;
467
468#[derive(Debug, Clone)]
469enum InlineCompletionMenuHint {
470 Loading,
471 Loaded { text: InlineCompletionText },
472 PendingTermsAcceptance,
473 None,
474}
475
476impl InlineCompletionMenuHint {
477 pub fn label(&self) -> &'static str {
478 match self {
479 InlineCompletionMenuHint::Loading | InlineCompletionMenuHint::Loaded { .. } => {
480 "Edit Prediction"
481 }
482 InlineCompletionMenuHint::PendingTermsAcceptance => "Accept Terms of Service",
483 InlineCompletionMenuHint::None => "No Prediction",
484 }
485 }
486}
487
488#[derive(Clone, Debug)]
489enum InlineCompletionText {
490 Move(SharedString),
491 Edit(HighlightedEdits),
492}
493
494pub(crate) enum EditDisplayMode {
495 TabAccept,
496 DiffPopover,
497 Inline,
498}
499
500enum InlineCompletion {
501 Edit {
502 edits: Vec<(Range<Anchor>, String)>,
503 edit_preview: Option<EditPreview>,
504 display_mode: EditDisplayMode,
505 snapshot: BufferSnapshot,
506 },
507 Move(Anchor),
508}
509
510struct InlineCompletionState {
511 inlay_ids: Vec<InlayId>,
512 completion: InlineCompletion,
513 invalidation_range: Range<Anchor>,
514}
515
516enum InlineCompletionHighlight {}
517
518pub enum MenuInlineCompletionsPolicy {
519 Never,
520 ByProvider,
521}
522
523#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
524struct EditorActionId(usize);
525
526impl EditorActionId {
527 pub fn post_inc(&mut self) -> Self {
528 let answer = self.0;
529
530 *self = Self(answer + 1);
531
532 Self(answer)
533 }
534}
535
536// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
537// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
538
539type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
540type GutterHighlight = (fn(&App) -> Hsla, Arc<[Range<Anchor>]>);
541
542#[derive(Default)]
543struct ScrollbarMarkerState {
544 scrollbar_size: Size<Pixels>,
545 dirty: bool,
546 markers: Arc<[PaintQuad]>,
547 pending_refresh: Option<Task<Result<()>>>,
548}
549
550impl ScrollbarMarkerState {
551 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
552 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
553 }
554}
555
556#[derive(Clone, Debug)]
557struct RunnableTasks {
558 templates: Vec<(TaskSourceKind, TaskTemplate)>,
559 offset: MultiBufferOffset,
560 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
561 column: u32,
562 // Values of all named captures, including those starting with '_'
563 extra_variables: HashMap<String, String>,
564 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
565 context_range: Range<BufferOffset>,
566}
567
568impl RunnableTasks {
569 fn resolve<'a>(
570 &'a self,
571 cx: &'a task::TaskContext,
572 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
573 self.templates.iter().filter_map(|(kind, template)| {
574 template
575 .resolve_task(&kind.to_id_base(), cx)
576 .map(|task| (kind.clone(), task))
577 })
578 }
579}
580
581#[derive(Clone)]
582struct ResolvedTasks {
583 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
584 position: Anchor,
585}
586#[derive(Copy, Clone, Debug)]
587struct MultiBufferOffset(usize);
588#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
589struct BufferOffset(usize);
590
591// Addons allow storing per-editor state in other crates (e.g. Vim)
592pub trait Addon: 'static {
593 fn extend_key_context(&self, _: &mut KeyContext, _: &App) {}
594
595 fn to_any(&self) -> &dyn std::any::Any;
596}
597
598#[derive(Debug, Copy, Clone, PartialEq, Eq)]
599pub enum IsVimMode {
600 Yes,
601 No,
602}
603
604/// Zed's primary implementation of text input, allowing users to edit a [`MultiBuffer`].
605///
606/// See the [module level documentation](self) for more information.
607pub struct Editor {
608 focus_handle: FocusHandle,
609 last_focused_descendant: Option<WeakFocusHandle>,
610 /// The text buffer being edited
611 buffer: Entity<MultiBuffer>,
612 /// Map of how text in the buffer should be displayed.
613 /// Handles soft wraps, folds, fake inlay text insertions, etc.
614 pub display_map: Entity<DisplayMap>,
615 pub selections: SelectionsCollection,
616 pub scroll_manager: ScrollManager,
617 /// When inline assist editors are linked, they all render cursors because
618 /// typing enters text into each of them, even the ones that aren't focused.
619 pub(crate) show_cursor_when_unfocused: bool,
620 columnar_selection_tail: Option<Anchor>,
621 add_selections_state: Option<AddSelectionsState>,
622 select_next_state: Option<SelectNextState>,
623 select_prev_state: Option<SelectNextState>,
624 selection_history: SelectionHistory,
625 autoclose_regions: Vec<AutocloseRegion>,
626 snippet_stack: InvalidationStack<SnippetState>,
627 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
628 ime_transaction: Option<TransactionId>,
629 active_diagnostics: Option<ActiveDiagnosticGroup>,
630 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
631
632 project: Option<Entity<Project>>,
633 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
634 completion_provider: Option<Box<dyn CompletionProvider>>,
635 collaboration_hub: Option<Box<dyn CollaborationHub>>,
636 blink_manager: Entity<BlinkManager>,
637 show_cursor_names: bool,
638 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
639 pub show_local_selections: bool,
640 mode: EditorMode,
641 show_breadcrumbs: bool,
642 show_gutter: bool,
643 show_scrollbars: bool,
644 show_line_numbers: Option<bool>,
645 use_relative_line_numbers: Option<bool>,
646 show_git_diff_gutter: Option<bool>,
647 show_code_actions: Option<bool>,
648 show_runnables: Option<bool>,
649 show_wrap_guides: Option<bool>,
650 show_indent_guides: Option<bool>,
651 placeholder_text: Option<Arc<str>>,
652 highlight_order: usize,
653 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
654 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
655 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
656 scrollbar_marker_state: ScrollbarMarkerState,
657 active_indent_guides_state: ActiveIndentGuidesState,
658 nav_history: Option<ItemNavHistory>,
659 context_menu: RefCell<Option<CodeContextMenu>>,
660 mouse_context_menu: Option<MouseContextMenu>,
661 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
662 signature_help_state: SignatureHelpState,
663 auto_signature_help: Option<bool>,
664 find_all_references_task_sources: Vec<Anchor>,
665 next_completion_id: CompletionId,
666 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
667 code_actions_task: Option<Task<Result<()>>>,
668 document_highlights_task: Option<Task<()>>,
669 linked_editing_range_task: Option<Task<Option<()>>>,
670 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
671 pending_rename: Option<RenameState>,
672 searchable: bool,
673 cursor_shape: CursorShape,
674 current_line_highlight: Option<CurrentLineHighlight>,
675 collapse_matches: bool,
676 autoindent_mode: Option<AutoindentMode>,
677 workspace: Option<(WeakEntity<Workspace>, Option<WorkspaceId>)>,
678 input_enabled: bool,
679 use_modal_editing: bool,
680 read_only: bool,
681 leader_peer_id: Option<PeerId>,
682 remote_id: Option<ViewId>,
683 hover_state: HoverState,
684 pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
685 gutter_hovered: bool,
686 hovered_link_state: Option<HoveredLinkState>,
687 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
688 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
689 active_inline_completion: Option<InlineCompletionState>,
690 // enable_inline_completions is a switch that Vim can use to disable
691 // inline completions based on its mode.
692 enable_inline_completions: bool,
693 show_inline_completions_override: Option<bool>,
694 menu_inline_completions_policy: MenuInlineCompletionsPolicy,
695 inlay_hint_cache: InlayHintCache,
696 next_inlay_id: usize,
697 _subscriptions: Vec<Subscription>,
698 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
699 gutter_dimensions: GutterDimensions,
700 style: Option<EditorStyle>,
701 text_style_refinement: Option<TextStyleRefinement>,
702 next_editor_action_id: EditorActionId,
703 editor_actions:
704 Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut Window, &mut Context<Self>)>>>>,
705 use_autoclose: bool,
706 use_auto_surround: bool,
707 auto_replace_emoji_shortcode: bool,
708 show_git_blame_gutter: bool,
709 show_git_blame_inline: bool,
710 show_git_blame_inline_delay_task: Option<Task<()>>,
711 git_blame_inline_enabled: bool,
712 serialize_dirty_buffers: bool,
713 show_selection_menu: Option<bool>,
714 blame: Option<Entity<GitBlame>>,
715 blame_subscription: Option<Subscription>,
716 custom_context_menu: Option<
717 Box<
718 dyn 'static
719 + Fn(
720 &mut Self,
721 DisplayPoint,
722 &mut Window,
723 &mut Context<Self>,
724 ) -> Option<Entity<ui::ContextMenu>>,
725 >,
726 >,
727 last_bounds: Option<Bounds<Pixels>>,
728 expect_bounds_change: Option<Bounds<Pixels>>,
729 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
730 tasks_update_task: Option<Task<()>>,
731 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
732 breadcrumb_header: Option<String>,
733 focused_block: Option<FocusedBlock>,
734 next_scroll_position: NextScrollCursorCenterTopBottom,
735 addons: HashMap<TypeId, Box<dyn Addon>>,
736 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
737 selection_mark_mode: bool,
738 toggle_fold_multiple_buffers: Task<()>,
739 _scroll_cursor_center_top_bottom_task: Task<()>,
740}
741
742#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
743enum NextScrollCursorCenterTopBottom {
744 #[default]
745 Center,
746 Top,
747 Bottom,
748}
749
750impl NextScrollCursorCenterTopBottom {
751 fn next(&self) -> Self {
752 match self {
753 Self::Center => Self::Top,
754 Self::Top => Self::Bottom,
755 Self::Bottom => Self::Center,
756 }
757 }
758}
759
760#[derive(Clone)]
761pub struct EditorSnapshot {
762 pub mode: EditorMode,
763 show_gutter: bool,
764 show_line_numbers: Option<bool>,
765 show_git_diff_gutter: Option<bool>,
766 show_code_actions: Option<bool>,
767 show_runnables: Option<bool>,
768 git_blame_gutter_max_author_length: Option<usize>,
769 pub display_snapshot: DisplaySnapshot,
770 pub placeholder_text: Option<Arc<str>>,
771 is_focused: bool,
772 scroll_anchor: ScrollAnchor,
773 ongoing_scroll: OngoingScroll,
774 current_line_highlight: CurrentLineHighlight,
775 gutter_hovered: bool,
776}
777
778const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
779
780#[derive(Default, Debug, Clone, Copy)]
781pub struct GutterDimensions {
782 pub left_padding: Pixels,
783 pub right_padding: Pixels,
784 pub width: Pixels,
785 pub margin: Pixels,
786 pub git_blame_entries_width: Option<Pixels>,
787}
788
789impl GutterDimensions {
790 /// The full width of the space taken up by the gutter.
791 pub fn full_width(&self) -> Pixels {
792 self.margin + self.width
793 }
794
795 /// The width of the space reserved for the fold indicators,
796 /// use alongside 'justify_end' and `gutter_width` to
797 /// right align content with the line numbers
798 pub fn fold_area_width(&self) -> Pixels {
799 self.margin + self.right_padding
800 }
801}
802
803#[derive(Debug)]
804pub struct RemoteSelection {
805 pub replica_id: ReplicaId,
806 pub selection: Selection<Anchor>,
807 pub cursor_shape: CursorShape,
808 pub peer_id: PeerId,
809 pub line_mode: bool,
810 pub participant_index: Option<ParticipantIndex>,
811 pub user_name: Option<SharedString>,
812}
813
814#[derive(Clone, Debug)]
815struct SelectionHistoryEntry {
816 selections: Arc<[Selection<Anchor>]>,
817 select_next_state: Option<SelectNextState>,
818 select_prev_state: Option<SelectNextState>,
819 add_selections_state: Option<AddSelectionsState>,
820}
821
822enum SelectionHistoryMode {
823 Normal,
824 Undoing,
825 Redoing,
826}
827
828#[derive(Clone, PartialEq, Eq, Hash)]
829struct HoveredCursor {
830 replica_id: u16,
831 selection_id: usize,
832}
833
834impl Default for SelectionHistoryMode {
835 fn default() -> Self {
836 Self::Normal
837 }
838}
839
840#[derive(Default)]
841struct SelectionHistory {
842 #[allow(clippy::type_complexity)]
843 selections_by_transaction:
844 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
845 mode: SelectionHistoryMode,
846 undo_stack: VecDeque<SelectionHistoryEntry>,
847 redo_stack: VecDeque<SelectionHistoryEntry>,
848}
849
850impl SelectionHistory {
851 fn insert_transaction(
852 &mut self,
853 transaction_id: TransactionId,
854 selections: Arc<[Selection<Anchor>]>,
855 ) {
856 self.selections_by_transaction
857 .insert(transaction_id, (selections, None));
858 }
859
860 #[allow(clippy::type_complexity)]
861 fn transaction(
862 &self,
863 transaction_id: TransactionId,
864 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
865 self.selections_by_transaction.get(&transaction_id)
866 }
867
868 #[allow(clippy::type_complexity)]
869 fn transaction_mut(
870 &mut self,
871 transaction_id: TransactionId,
872 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
873 self.selections_by_transaction.get_mut(&transaction_id)
874 }
875
876 fn push(&mut self, entry: SelectionHistoryEntry) {
877 if !entry.selections.is_empty() {
878 match self.mode {
879 SelectionHistoryMode::Normal => {
880 self.push_undo(entry);
881 self.redo_stack.clear();
882 }
883 SelectionHistoryMode::Undoing => self.push_redo(entry),
884 SelectionHistoryMode::Redoing => self.push_undo(entry),
885 }
886 }
887 }
888
889 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
890 if self
891 .undo_stack
892 .back()
893 .map_or(true, |e| e.selections != entry.selections)
894 {
895 self.undo_stack.push_back(entry);
896 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
897 self.undo_stack.pop_front();
898 }
899 }
900 }
901
902 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
903 if self
904 .redo_stack
905 .back()
906 .map_or(true, |e| e.selections != entry.selections)
907 {
908 self.redo_stack.push_back(entry);
909 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
910 self.redo_stack.pop_front();
911 }
912 }
913 }
914}
915
916struct RowHighlight {
917 index: usize,
918 range: Range<Anchor>,
919 color: Hsla,
920 should_autoscroll: bool,
921}
922
923#[derive(Clone, Debug)]
924struct AddSelectionsState {
925 above: bool,
926 stack: Vec<usize>,
927}
928
929#[derive(Clone)]
930struct SelectNextState {
931 query: AhoCorasick,
932 wordwise: bool,
933 done: bool,
934}
935
936impl std::fmt::Debug for SelectNextState {
937 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
938 f.debug_struct(std::any::type_name::<Self>())
939 .field("wordwise", &self.wordwise)
940 .field("done", &self.done)
941 .finish()
942 }
943}
944
945#[derive(Debug)]
946struct AutocloseRegion {
947 selection_id: usize,
948 range: Range<Anchor>,
949 pair: BracketPair,
950}
951
952#[derive(Debug)]
953struct SnippetState {
954 ranges: Vec<Vec<Range<Anchor>>>,
955 active_index: usize,
956 choices: Vec<Option<Vec<String>>>,
957}
958
959#[doc(hidden)]
960pub struct RenameState {
961 pub range: Range<Anchor>,
962 pub old_name: Arc<str>,
963 pub editor: Entity<Editor>,
964 block_id: CustomBlockId,
965}
966
967struct InvalidationStack<T>(Vec<T>);
968
969struct RegisteredInlineCompletionProvider {
970 provider: Arc<dyn InlineCompletionProviderHandle>,
971 _subscription: Subscription,
972}
973
974#[derive(Debug)]
975struct ActiveDiagnosticGroup {
976 primary_range: Range<Anchor>,
977 primary_message: String,
978 group_id: usize,
979 blocks: HashMap<CustomBlockId, Diagnostic>,
980 is_valid: bool,
981}
982
983#[derive(Serialize, Deserialize, Clone, Debug)]
984pub struct ClipboardSelection {
985 pub len: usize,
986 pub is_entire_line: bool,
987 pub first_line_indent: u32,
988}
989
990#[derive(Debug)]
991pub(crate) struct NavigationData {
992 cursor_anchor: Anchor,
993 cursor_position: Point,
994 scroll_anchor: ScrollAnchor,
995 scroll_top_row: u32,
996}
997
998#[derive(Debug, Clone, Copy, PartialEq, Eq)]
999pub enum GotoDefinitionKind {
1000 Symbol,
1001 Declaration,
1002 Type,
1003 Implementation,
1004}
1005
1006#[derive(Debug, Clone)]
1007enum InlayHintRefreshReason {
1008 Toggle(bool),
1009 SettingsChange(InlayHintSettings),
1010 NewLinesShown,
1011 BufferEdited(HashSet<Arc<Language>>),
1012 RefreshRequested,
1013 ExcerptsRemoved(Vec<ExcerptId>),
1014}
1015
1016impl InlayHintRefreshReason {
1017 fn description(&self) -> &'static str {
1018 match self {
1019 Self::Toggle(_) => "toggle",
1020 Self::SettingsChange(_) => "settings change",
1021 Self::NewLinesShown => "new lines shown",
1022 Self::BufferEdited(_) => "buffer edited",
1023 Self::RefreshRequested => "refresh requested",
1024 Self::ExcerptsRemoved(_) => "excerpts removed",
1025 }
1026 }
1027}
1028
1029pub enum FormatTarget {
1030 Buffers,
1031 Ranges(Vec<Range<MultiBufferPoint>>),
1032}
1033
1034pub(crate) struct FocusedBlock {
1035 id: BlockId,
1036 focus_handle: WeakFocusHandle,
1037}
1038
1039#[derive(Clone)]
1040enum JumpData {
1041 MultiBufferRow {
1042 row: MultiBufferRow,
1043 line_offset_from_top: u32,
1044 },
1045 MultiBufferPoint {
1046 excerpt_id: ExcerptId,
1047 position: Point,
1048 anchor: text::Anchor,
1049 line_offset_from_top: u32,
1050 },
1051}
1052
1053pub enum MultibufferSelectionMode {
1054 First,
1055 All,
1056}
1057
1058impl Editor {
1059 pub fn single_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1060 let buffer = cx.new(|cx| Buffer::local("", cx));
1061 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1062 Self::new(
1063 EditorMode::SingleLine { auto_width: false },
1064 buffer,
1065 None,
1066 false,
1067 window,
1068 cx,
1069 )
1070 }
1071
1072 pub fn multi_line(window: &mut Window, cx: &mut Context<Self>) -> Self {
1073 let buffer = cx.new(|cx| Buffer::local("", cx));
1074 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1075 Self::new(EditorMode::Full, buffer, None, false, window, cx)
1076 }
1077
1078 pub fn auto_width(window: &mut Window, cx: &mut Context<Self>) -> Self {
1079 let buffer = cx.new(|cx| Buffer::local("", cx));
1080 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1081 Self::new(
1082 EditorMode::SingleLine { auto_width: true },
1083 buffer,
1084 None,
1085 false,
1086 window,
1087 cx,
1088 )
1089 }
1090
1091 pub fn auto_height(max_lines: usize, window: &mut Window, cx: &mut Context<Self>) -> Self {
1092 let buffer = cx.new(|cx| Buffer::local("", cx));
1093 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1094 Self::new(
1095 EditorMode::AutoHeight { max_lines },
1096 buffer,
1097 None,
1098 false,
1099 window,
1100 cx,
1101 )
1102 }
1103
1104 pub fn for_buffer(
1105 buffer: Entity<Buffer>,
1106 project: Option<Entity<Project>>,
1107 window: &mut Window,
1108 cx: &mut Context<Self>,
1109 ) -> Self {
1110 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
1111 Self::new(EditorMode::Full, buffer, project, false, window, cx)
1112 }
1113
1114 pub fn for_multibuffer(
1115 buffer: Entity<MultiBuffer>,
1116 project: Option<Entity<Project>>,
1117 show_excerpt_controls: bool,
1118 window: &mut Window,
1119 cx: &mut Context<Self>,
1120 ) -> Self {
1121 Self::new(
1122 EditorMode::Full,
1123 buffer,
1124 project,
1125 show_excerpt_controls,
1126 window,
1127 cx,
1128 )
1129 }
1130
1131 pub fn clone(&self, window: &mut Window, cx: &mut Context<Self>) -> Self {
1132 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1133 let mut clone = Self::new(
1134 self.mode,
1135 self.buffer.clone(),
1136 self.project.clone(),
1137 show_excerpt_controls,
1138 window,
1139 cx,
1140 );
1141 self.display_map.update(cx, |display_map, cx| {
1142 let snapshot = display_map.snapshot(cx);
1143 clone.display_map.update(cx, |display_map, cx| {
1144 display_map.set_state(&snapshot, cx);
1145 });
1146 });
1147 clone.selections.clone_state(&self.selections);
1148 clone.scroll_manager.clone_state(&self.scroll_manager);
1149 clone.searchable = self.searchable;
1150 clone
1151 }
1152
1153 pub fn new(
1154 mode: EditorMode,
1155 buffer: Entity<MultiBuffer>,
1156 project: Option<Entity<Project>>,
1157 show_excerpt_controls: bool,
1158 window: &mut Window,
1159 cx: &mut Context<Self>,
1160 ) -> Self {
1161 let style = window.text_style();
1162 let font_size = style.font_size.to_pixels(window.rem_size());
1163 let editor = cx.entity().downgrade();
1164 let fold_placeholder = FoldPlaceholder {
1165 constrain_width: true,
1166 render: Arc::new(move |fold_id, fold_range, _, cx| {
1167 let editor = editor.clone();
1168 div()
1169 .id(fold_id)
1170 .bg(cx.theme().colors().ghost_element_background)
1171 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1172 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1173 .rounded_sm()
1174 .size_full()
1175 .cursor_pointer()
1176 .child("⋯")
1177 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
1178 .on_click(move |_, _window, cx| {
1179 editor
1180 .update(cx, |editor, cx| {
1181 editor.unfold_ranges(
1182 &[fold_range.start..fold_range.end],
1183 true,
1184 false,
1185 cx,
1186 );
1187 cx.stop_propagation();
1188 })
1189 .ok();
1190 })
1191 .into_any()
1192 }),
1193 merge_adjacent: true,
1194 ..Default::default()
1195 };
1196 let display_map = cx.new(|cx| {
1197 DisplayMap::new(
1198 buffer.clone(),
1199 style.font(),
1200 font_size,
1201 None,
1202 show_excerpt_controls,
1203 FILE_HEADER_HEIGHT,
1204 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1205 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1206 fold_placeholder,
1207 cx,
1208 )
1209 });
1210
1211 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1212
1213 let blink_manager = cx.new(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1214
1215 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1216 .then(|| language_settings::SoftWrap::None);
1217
1218 let mut project_subscriptions = Vec::new();
1219 if mode == EditorMode::Full {
1220 if let Some(project) = project.as_ref() {
1221 if buffer.read(cx).is_singleton() {
1222 project_subscriptions.push(cx.observe_in(project, window, |_, _, _, cx| {
1223 cx.emit(EditorEvent::TitleChanged);
1224 }));
1225 }
1226 project_subscriptions.push(cx.subscribe_in(
1227 project,
1228 window,
1229 |editor, _, event, window, cx| {
1230 if let project::Event::RefreshInlayHints = event {
1231 editor
1232 .refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1233 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1234 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1235 let focus_handle = editor.focus_handle(cx);
1236 if focus_handle.is_focused(window) {
1237 let snapshot = buffer.read(cx).snapshot();
1238 for (range, snippet) in snippet_edits {
1239 let editor_range =
1240 language::range_from_lsp(*range).to_offset(&snapshot);
1241 editor
1242 .insert_snippet(
1243 &[editor_range],
1244 snippet.clone(),
1245 window,
1246 cx,
1247 )
1248 .ok();
1249 }
1250 }
1251 }
1252 }
1253 },
1254 ));
1255 if let Some(task_inventory) = project
1256 .read(cx)
1257 .task_store()
1258 .read(cx)
1259 .task_inventory()
1260 .cloned()
1261 {
1262 project_subscriptions.push(cx.observe_in(
1263 &task_inventory,
1264 window,
1265 |editor, _, window, cx| {
1266 editor.tasks_update_task = Some(editor.refresh_runnables(window, cx));
1267 },
1268 ));
1269 }
1270 }
1271 }
1272
1273 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1274
1275 let inlay_hint_settings =
1276 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1277 let focus_handle = cx.focus_handle();
1278 cx.on_focus(&focus_handle, window, Self::handle_focus)
1279 .detach();
1280 cx.on_focus_in(&focus_handle, window, Self::handle_focus_in)
1281 .detach();
1282 cx.on_focus_out(&focus_handle, window, Self::handle_focus_out)
1283 .detach();
1284 cx.on_blur(&focus_handle, window, Self::handle_blur)
1285 .detach();
1286
1287 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1288 Some(false)
1289 } else {
1290 None
1291 };
1292
1293 let mut code_action_providers = Vec::new();
1294 if let Some(project) = project.clone() {
1295 get_unstaged_changes_for_buffers(
1296 &project,
1297 buffer.read(cx).all_buffers(),
1298 buffer.clone(),
1299 cx,
1300 );
1301 code_action_providers.push(Rc::new(project) as Rc<_>);
1302 }
1303
1304 let mut this = Self {
1305 focus_handle,
1306 show_cursor_when_unfocused: false,
1307 last_focused_descendant: None,
1308 buffer: buffer.clone(),
1309 display_map: display_map.clone(),
1310 selections,
1311 scroll_manager: ScrollManager::new(cx),
1312 columnar_selection_tail: None,
1313 add_selections_state: None,
1314 select_next_state: None,
1315 select_prev_state: None,
1316 selection_history: Default::default(),
1317 autoclose_regions: Default::default(),
1318 snippet_stack: Default::default(),
1319 select_larger_syntax_node_stack: Vec::new(),
1320 ime_transaction: Default::default(),
1321 active_diagnostics: None,
1322 soft_wrap_mode_override,
1323 completion_provider: project.clone().map(|project| Box::new(project) as _),
1324 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1325 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1326 project,
1327 blink_manager: blink_manager.clone(),
1328 show_local_selections: true,
1329 show_scrollbars: true,
1330 mode,
1331 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1332 show_gutter: mode == EditorMode::Full,
1333 show_line_numbers: None,
1334 use_relative_line_numbers: None,
1335 show_git_diff_gutter: None,
1336 show_code_actions: None,
1337 show_runnables: None,
1338 show_wrap_guides: None,
1339 show_indent_guides,
1340 placeholder_text: None,
1341 highlight_order: 0,
1342 highlighted_rows: HashMap::default(),
1343 background_highlights: Default::default(),
1344 gutter_highlights: TreeMap::default(),
1345 scrollbar_marker_state: ScrollbarMarkerState::default(),
1346 active_indent_guides_state: ActiveIndentGuidesState::default(),
1347 nav_history: None,
1348 context_menu: RefCell::new(None),
1349 mouse_context_menu: None,
1350 completion_tasks: Default::default(),
1351 signature_help_state: SignatureHelpState::default(),
1352 auto_signature_help: None,
1353 find_all_references_task_sources: Vec::new(),
1354 next_completion_id: 0,
1355 next_inlay_id: 0,
1356 code_action_providers,
1357 available_code_actions: Default::default(),
1358 code_actions_task: Default::default(),
1359 document_highlights_task: Default::default(),
1360 linked_editing_range_task: Default::default(),
1361 pending_rename: Default::default(),
1362 searchable: true,
1363 cursor_shape: EditorSettings::get_global(cx)
1364 .cursor_shape
1365 .unwrap_or_default(),
1366 current_line_highlight: None,
1367 autoindent_mode: Some(AutoindentMode::EachLine),
1368 collapse_matches: false,
1369 workspace: None,
1370 input_enabled: true,
1371 use_modal_editing: mode == EditorMode::Full,
1372 read_only: false,
1373 use_autoclose: true,
1374 use_auto_surround: true,
1375 auto_replace_emoji_shortcode: false,
1376 leader_peer_id: None,
1377 remote_id: None,
1378 hover_state: Default::default(),
1379 pending_mouse_down: None,
1380 hovered_link_state: Default::default(),
1381 inline_completion_provider: None,
1382 active_inline_completion: None,
1383 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1384
1385 gutter_hovered: false,
1386 pixel_position_of_newest_cursor: None,
1387 last_bounds: None,
1388 expect_bounds_change: None,
1389 gutter_dimensions: GutterDimensions::default(),
1390 style: None,
1391 show_cursor_names: false,
1392 hovered_cursors: Default::default(),
1393 next_editor_action_id: EditorActionId::default(),
1394 editor_actions: Rc::default(),
1395 show_inline_completions_override: None,
1396 enable_inline_completions: true,
1397 menu_inline_completions_policy: MenuInlineCompletionsPolicy::ByProvider,
1398 custom_context_menu: None,
1399 show_git_blame_gutter: false,
1400 show_git_blame_inline: false,
1401 show_selection_menu: None,
1402 show_git_blame_inline_delay_task: None,
1403 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1404 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1405 .session
1406 .restore_unsaved_buffers,
1407 blame: None,
1408 blame_subscription: None,
1409 tasks: Default::default(),
1410 _subscriptions: vec![
1411 cx.observe(&buffer, Self::on_buffer_changed),
1412 cx.subscribe_in(&buffer, window, Self::on_buffer_event),
1413 cx.observe_in(&display_map, window, Self::on_display_map_changed),
1414 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1415 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
1416 cx.observe_window_activation(window, |editor, window, cx| {
1417 let active = window.is_window_active();
1418 editor.blink_manager.update(cx, |blink_manager, cx| {
1419 if active {
1420 blink_manager.enable(cx);
1421 } else {
1422 blink_manager.disable(cx);
1423 }
1424 });
1425 }),
1426 ],
1427 tasks_update_task: None,
1428 linked_edit_ranges: Default::default(),
1429 previous_search_ranges: None,
1430 breadcrumb_header: None,
1431 focused_block: None,
1432 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1433 addons: HashMap::default(),
1434 registered_buffers: HashMap::default(),
1435 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1436 selection_mark_mode: false,
1437 toggle_fold_multiple_buffers: Task::ready(()),
1438 text_style_refinement: None,
1439 };
1440 this.tasks_update_task = Some(this.refresh_runnables(window, cx));
1441 this._subscriptions.extend(project_subscriptions);
1442
1443 this.end_selection(window, cx);
1444 this.scroll_manager.show_scrollbar(window, cx);
1445
1446 if mode == EditorMode::Full {
1447 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1448 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1449
1450 if this.git_blame_inline_enabled {
1451 this.git_blame_inline_enabled = true;
1452 this.start_git_blame_inline(false, window, cx);
1453 }
1454
1455 if let Some(buffer) = buffer.read(cx).as_singleton() {
1456 if let Some(project) = this.project.as_ref() {
1457 let lsp_store = project.read(cx).lsp_store();
1458 let handle = lsp_store.update(cx, |lsp_store, cx| {
1459 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1460 });
1461 this.registered_buffers
1462 .insert(buffer.read(cx).remote_id(), handle);
1463 }
1464 }
1465 }
1466
1467 this.report_editor_event("Editor Opened", None, cx);
1468 this
1469 }
1470
1471 pub fn mouse_menu_is_focused(&self, window: &mut Window, cx: &mut App) -> bool {
1472 self.mouse_context_menu
1473 .as_ref()
1474 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
1475 }
1476
1477 fn key_context(&self, window: &mut Window, cx: &mut Context<Self>) -> KeyContext {
1478 let mut key_context = KeyContext::new_with_defaults();
1479 key_context.add("Editor");
1480 let mode = match self.mode {
1481 EditorMode::SingleLine { .. } => "single_line",
1482 EditorMode::AutoHeight { .. } => "auto_height",
1483 EditorMode::Full => "full",
1484 };
1485
1486 if EditorSettings::jupyter_enabled(cx) {
1487 key_context.add("jupyter");
1488 }
1489
1490 key_context.set("mode", mode);
1491 if self.pending_rename.is_some() {
1492 key_context.add("renaming");
1493 }
1494 match self.context_menu.borrow().as_ref() {
1495 Some(CodeContextMenu::Completions(_)) => {
1496 key_context.add("menu");
1497 key_context.add("showing_completions")
1498 }
1499 Some(CodeContextMenu::CodeActions(_)) => {
1500 key_context.add("menu");
1501 key_context.add("showing_code_actions")
1502 }
1503 None => {}
1504 }
1505
1506 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1507 if !self.focus_handle(cx).contains_focused(window, cx)
1508 || (self.is_focused(window) || self.mouse_menu_is_focused(window, cx))
1509 {
1510 for addon in self.addons.values() {
1511 addon.extend_key_context(&mut key_context, cx)
1512 }
1513 }
1514
1515 if let Some(extension) = self
1516 .buffer
1517 .read(cx)
1518 .as_singleton()
1519 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1520 {
1521 key_context.set("extension", extension.to_string());
1522 }
1523
1524 if self.has_active_inline_completion() {
1525 key_context.add("copilot_suggestion");
1526 key_context.add("inline_completion");
1527 }
1528
1529 if self.selection_mark_mode {
1530 key_context.add("selection_mode");
1531 }
1532
1533 key_context
1534 }
1535
1536 pub fn new_file(
1537 workspace: &mut Workspace,
1538 _: &workspace::NewFile,
1539 window: &mut Window,
1540 cx: &mut Context<Workspace>,
1541 ) {
1542 Self::new_in_workspace(workspace, window, cx).detach_and_prompt_err(
1543 "Failed to create buffer",
1544 window,
1545 cx,
1546 |e, _, _| match e.error_code() {
1547 ErrorCode::RemoteUpgradeRequired => Some(format!(
1548 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1549 e.error_tag("required").unwrap_or("the latest version")
1550 )),
1551 _ => None,
1552 },
1553 );
1554 }
1555
1556 pub fn new_in_workspace(
1557 workspace: &mut Workspace,
1558 window: &mut Window,
1559 cx: &mut Context<Workspace>,
1560 ) -> Task<Result<Entity<Editor>>> {
1561 let project = workspace.project().clone();
1562 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1563
1564 cx.spawn_in(window, |workspace, mut cx| async move {
1565 let buffer = create.await?;
1566 workspace.update_in(&mut cx, |workspace, window, cx| {
1567 let editor =
1568 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx));
1569 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
1570 editor
1571 })
1572 })
1573 }
1574
1575 fn new_file_vertical(
1576 workspace: &mut Workspace,
1577 _: &workspace::NewFileSplitVertical,
1578 window: &mut Window,
1579 cx: &mut Context<Workspace>,
1580 ) {
1581 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), window, cx)
1582 }
1583
1584 fn new_file_horizontal(
1585 workspace: &mut Workspace,
1586 _: &workspace::NewFileSplitHorizontal,
1587 window: &mut Window,
1588 cx: &mut Context<Workspace>,
1589 ) {
1590 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), window, cx)
1591 }
1592
1593 fn new_file_in_direction(
1594 workspace: &mut Workspace,
1595 direction: SplitDirection,
1596 window: &mut Window,
1597 cx: &mut Context<Workspace>,
1598 ) {
1599 let project = workspace.project().clone();
1600 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1601
1602 cx.spawn_in(window, |workspace, mut cx| async move {
1603 let buffer = create.await?;
1604 workspace.update_in(&mut cx, move |workspace, window, cx| {
1605 workspace.split_item(
1606 direction,
1607 Box::new(
1608 cx.new(|cx| Editor::for_buffer(buffer, Some(project.clone()), window, cx)),
1609 ),
1610 window,
1611 cx,
1612 )
1613 })?;
1614 anyhow::Ok(())
1615 })
1616 .detach_and_prompt_err("Failed to create buffer", window, cx, |e, _, _| {
1617 match e.error_code() {
1618 ErrorCode::RemoteUpgradeRequired => Some(format!(
1619 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1620 e.error_tag("required").unwrap_or("the latest version")
1621 )),
1622 _ => None,
1623 }
1624 });
1625 }
1626
1627 pub fn leader_peer_id(&self) -> Option<PeerId> {
1628 self.leader_peer_id
1629 }
1630
1631 pub fn buffer(&self) -> &Entity<MultiBuffer> {
1632 &self.buffer
1633 }
1634
1635 pub fn workspace(&self) -> Option<Entity<Workspace>> {
1636 self.workspace.as_ref()?.0.upgrade()
1637 }
1638
1639 pub fn title<'a>(&self, cx: &'a App) -> Cow<'a, str> {
1640 self.buffer().read(cx).title(cx)
1641 }
1642
1643 pub fn snapshot(&self, window: &mut Window, cx: &mut App) -> EditorSnapshot {
1644 let git_blame_gutter_max_author_length = self
1645 .render_git_blame_gutter(cx)
1646 .then(|| {
1647 if let Some(blame) = self.blame.as_ref() {
1648 let max_author_length =
1649 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1650 Some(max_author_length)
1651 } else {
1652 None
1653 }
1654 })
1655 .flatten();
1656
1657 EditorSnapshot {
1658 mode: self.mode,
1659 show_gutter: self.show_gutter,
1660 show_line_numbers: self.show_line_numbers,
1661 show_git_diff_gutter: self.show_git_diff_gutter,
1662 show_code_actions: self.show_code_actions,
1663 show_runnables: self.show_runnables,
1664 git_blame_gutter_max_author_length,
1665 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1666 scroll_anchor: self.scroll_manager.anchor(),
1667 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1668 placeholder_text: self.placeholder_text.clone(),
1669 is_focused: self.focus_handle.is_focused(window),
1670 current_line_highlight: self
1671 .current_line_highlight
1672 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1673 gutter_hovered: self.gutter_hovered,
1674 }
1675 }
1676
1677 pub fn language_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<Language>> {
1678 self.buffer.read(cx).language_at(point, cx)
1679 }
1680
1681 pub fn file_at<T: ToOffset>(&self, point: T, cx: &App) -> Option<Arc<dyn language::File>> {
1682 self.buffer.read(cx).read(cx).file_at(point).cloned()
1683 }
1684
1685 pub fn active_excerpt(
1686 &self,
1687 cx: &App,
1688 ) -> Option<(ExcerptId, Entity<Buffer>, Range<text::Anchor>)> {
1689 self.buffer
1690 .read(cx)
1691 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1692 }
1693
1694 pub fn mode(&self) -> EditorMode {
1695 self.mode
1696 }
1697
1698 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1699 self.collaboration_hub.as_deref()
1700 }
1701
1702 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1703 self.collaboration_hub = Some(hub);
1704 }
1705
1706 pub fn set_custom_context_menu(
1707 &mut self,
1708 f: impl 'static
1709 + Fn(
1710 &mut Self,
1711 DisplayPoint,
1712 &mut Window,
1713 &mut Context<Self>,
1714 ) -> Option<Entity<ui::ContextMenu>>,
1715 ) {
1716 self.custom_context_menu = Some(Box::new(f))
1717 }
1718
1719 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1720 self.completion_provider = provider;
1721 }
1722
1723 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1724 self.semantics_provider.clone()
1725 }
1726
1727 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1728 self.semantics_provider = provider;
1729 }
1730
1731 pub fn set_inline_completion_provider<T>(
1732 &mut self,
1733 provider: Option<Entity<T>>,
1734 window: &mut Window,
1735 cx: &mut Context<Self>,
1736 ) where
1737 T: InlineCompletionProvider,
1738 {
1739 self.inline_completion_provider =
1740 provider.map(|provider| RegisteredInlineCompletionProvider {
1741 _subscription: cx.observe_in(&provider, window, |this, _, window, cx| {
1742 if this.focus_handle.is_focused(window) {
1743 this.update_visible_inline_completion(window, cx);
1744 }
1745 }),
1746 provider: Arc::new(provider),
1747 });
1748 self.refresh_inline_completion(false, false, window, cx);
1749 }
1750
1751 pub fn placeholder_text(&self) -> Option<&str> {
1752 self.placeholder_text.as_deref()
1753 }
1754
1755 pub fn set_placeholder_text(
1756 &mut self,
1757 placeholder_text: impl Into<Arc<str>>,
1758 cx: &mut Context<Self>,
1759 ) {
1760 let placeholder_text = Some(placeholder_text.into());
1761 if self.placeholder_text != placeholder_text {
1762 self.placeholder_text = placeholder_text;
1763 cx.notify();
1764 }
1765 }
1766
1767 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut Context<Self>) {
1768 self.cursor_shape = cursor_shape;
1769
1770 // Disrupt blink for immediate user feedback that the cursor shape has changed
1771 self.blink_manager.update(cx, BlinkManager::show_cursor);
1772
1773 cx.notify();
1774 }
1775
1776 pub fn set_current_line_highlight(
1777 &mut self,
1778 current_line_highlight: Option<CurrentLineHighlight>,
1779 ) {
1780 self.current_line_highlight = current_line_highlight;
1781 }
1782
1783 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1784 self.collapse_matches = collapse_matches;
1785 }
1786
1787 pub fn register_buffers_with_language_servers(&mut self, cx: &mut Context<Self>) {
1788 let buffers = self.buffer.read(cx).all_buffers();
1789 let Some(lsp_store) = self.lsp_store(cx) else {
1790 return;
1791 };
1792 lsp_store.update(cx, |lsp_store, cx| {
1793 for buffer in buffers {
1794 self.registered_buffers
1795 .entry(buffer.read(cx).remote_id())
1796 .or_insert_with(|| {
1797 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1798 });
1799 }
1800 })
1801 }
1802
1803 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1804 if self.collapse_matches {
1805 return range.start..range.start;
1806 }
1807 range.clone()
1808 }
1809
1810 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut Context<Self>) {
1811 if self.display_map.read(cx).clip_at_line_ends != clip {
1812 self.display_map
1813 .update(cx, |map, _| map.clip_at_line_ends = clip);
1814 }
1815 }
1816
1817 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1818 self.input_enabled = input_enabled;
1819 }
1820
1821 pub fn set_inline_completions_enabled(&mut self, enabled: bool, cx: &mut Context<Self>) {
1822 self.enable_inline_completions = enabled;
1823 if !self.enable_inline_completions {
1824 self.take_active_inline_completion(cx);
1825 cx.notify();
1826 }
1827 }
1828
1829 pub fn set_menu_inline_completions_policy(&mut self, value: MenuInlineCompletionsPolicy) {
1830 self.menu_inline_completions_policy = value;
1831 }
1832
1833 pub fn set_autoindent(&mut self, autoindent: bool) {
1834 if autoindent {
1835 self.autoindent_mode = Some(AutoindentMode::EachLine);
1836 } else {
1837 self.autoindent_mode = None;
1838 }
1839 }
1840
1841 pub fn read_only(&self, cx: &App) -> bool {
1842 self.read_only || self.buffer.read(cx).read_only()
1843 }
1844
1845 pub fn set_read_only(&mut self, read_only: bool) {
1846 self.read_only = read_only;
1847 }
1848
1849 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1850 self.use_autoclose = autoclose;
1851 }
1852
1853 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1854 self.use_auto_surround = auto_surround;
1855 }
1856
1857 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1858 self.auto_replace_emoji_shortcode = auto_replace;
1859 }
1860
1861 pub fn toggle_inline_completions(
1862 &mut self,
1863 _: &ToggleInlineCompletions,
1864 window: &mut Window,
1865 cx: &mut Context<Self>,
1866 ) {
1867 if self.show_inline_completions_override.is_some() {
1868 self.set_show_inline_completions(None, window, cx);
1869 } else {
1870 let cursor = self.selections.newest_anchor().head();
1871 if let Some((buffer, cursor_buffer_position)) =
1872 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1873 {
1874 let show_inline_completions =
1875 !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx);
1876 self.set_show_inline_completions(Some(show_inline_completions), window, cx);
1877 }
1878 }
1879 }
1880
1881 pub fn set_show_inline_completions(
1882 &mut self,
1883 show_inline_completions: Option<bool>,
1884 window: &mut Window,
1885 cx: &mut Context<Self>,
1886 ) {
1887 self.show_inline_completions_override = show_inline_completions;
1888 self.refresh_inline_completion(false, true, window, cx);
1889 }
1890
1891 pub fn inline_completions_enabled(&self, cx: &App) -> bool {
1892 let cursor = self.selections.newest_anchor().head();
1893 if let Some((buffer, buffer_position)) =
1894 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1895 {
1896 self.should_show_inline_completions(&buffer, buffer_position, cx)
1897 } else {
1898 false
1899 }
1900 }
1901
1902 fn should_show_inline_completions(
1903 &self,
1904 buffer: &Entity<Buffer>,
1905 buffer_position: language::Anchor,
1906 cx: &App,
1907 ) -> bool {
1908 if !self.snippet_stack.is_empty() {
1909 return false;
1910 }
1911
1912 if self.inline_completions_disabled_in_scope(buffer, buffer_position, cx) {
1913 return false;
1914 }
1915
1916 if let Some(provider) = self.inline_completion_provider() {
1917 if let Some(show_inline_completions) = self.show_inline_completions_override {
1918 show_inline_completions
1919 } else {
1920 self.mode == EditorMode::Full && provider.is_enabled(buffer, buffer_position, cx)
1921 }
1922 } else {
1923 false
1924 }
1925 }
1926
1927 fn inline_completions_disabled_in_scope(
1928 &self,
1929 buffer: &Entity<Buffer>,
1930 buffer_position: language::Anchor,
1931 cx: &App,
1932 ) -> bool {
1933 let snapshot = buffer.read(cx).snapshot();
1934 let settings = snapshot.settings_at(buffer_position, cx);
1935
1936 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1937 return false;
1938 };
1939
1940 scope.override_name().map_or(false, |scope_name| {
1941 settings
1942 .inline_completions_disabled_in
1943 .iter()
1944 .any(|s| s == scope_name)
1945 })
1946 }
1947
1948 pub fn set_use_modal_editing(&mut self, to: bool) {
1949 self.use_modal_editing = to;
1950 }
1951
1952 pub fn use_modal_editing(&self) -> bool {
1953 self.use_modal_editing
1954 }
1955
1956 fn selections_did_change(
1957 &mut self,
1958 local: bool,
1959 old_cursor_position: &Anchor,
1960 show_completions: bool,
1961 window: &mut Window,
1962 cx: &mut Context<Self>,
1963 ) {
1964 window.invalidate_character_coordinates();
1965
1966 // Copy selections to primary selection buffer
1967 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1968 if local {
1969 let selections = self.selections.all::<usize>(cx);
1970 let buffer_handle = self.buffer.read(cx).read(cx);
1971
1972 let mut text = String::new();
1973 for (index, selection) in selections.iter().enumerate() {
1974 let text_for_selection = buffer_handle
1975 .text_for_range(selection.start..selection.end)
1976 .collect::<String>();
1977
1978 text.push_str(&text_for_selection);
1979 if index != selections.len() - 1 {
1980 text.push('\n');
1981 }
1982 }
1983
1984 if !text.is_empty() {
1985 cx.write_to_primary(ClipboardItem::new_string(text));
1986 }
1987 }
1988
1989 if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
1990 self.buffer.update(cx, |buffer, cx| {
1991 buffer.set_active_selections(
1992 &self.selections.disjoint_anchors(),
1993 self.selections.line_mode,
1994 self.cursor_shape,
1995 cx,
1996 )
1997 });
1998 }
1999 let display_map = self
2000 .display_map
2001 .update(cx, |display_map, cx| display_map.snapshot(cx));
2002 let buffer = &display_map.buffer_snapshot;
2003 self.add_selections_state = None;
2004 self.select_next_state = None;
2005 self.select_prev_state = None;
2006 self.select_larger_syntax_node_stack.clear();
2007 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2008 self.snippet_stack
2009 .invalidate(&self.selections.disjoint_anchors(), buffer);
2010 self.take_rename(false, window, cx);
2011
2012 let new_cursor_position = self.selections.newest_anchor().head();
2013
2014 self.push_to_nav_history(
2015 *old_cursor_position,
2016 Some(new_cursor_position.to_point(buffer)),
2017 cx,
2018 );
2019
2020 if local {
2021 let new_cursor_position = self.selections.newest_anchor().head();
2022 let mut context_menu = self.context_menu.borrow_mut();
2023 let completion_menu = match context_menu.as_ref() {
2024 Some(CodeContextMenu::Completions(menu)) => Some(menu),
2025 _ => {
2026 *context_menu = None;
2027 None
2028 }
2029 };
2030
2031 if let Some(completion_menu) = completion_menu {
2032 let cursor_position = new_cursor_position.to_offset(buffer);
2033 let (word_range, kind) =
2034 buffer.surrounding_word(completion_menu.initial_position, true);
2035 if kind == Some(CharKind::Word)
2036 && word_range.to_inclusive().contains(&cursor_position)
2037 {
2038 let mut completion_menu = completion_menu.clone();
2039 drop(context_menu);
2040
2041 let query = Self::completion_query(buffer, cursor_position);
2042 cx.spawn(move |this, mut cx| async move {
2043 completion_menu
2044 .filter(query.as_deref(), cx.background_executor().clone())
2045 .await;
2046
2047 this.update(&mut cx, |this, cx| {
2048 let mut context_menu = this.context_menu.borrow_mut();
2049 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
2050 else {
2051 return;
2052 };
2053
2054 if menu.id > completion_menu.id {
2055 return;
2056 }
2057
2058 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
2059 drop(context_menu);
2060 cx.notify();
2061 })
2062 })
2063 .detach();
2064
2065 if show_completions {
2066 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
2067 }
2068 } else {
2069 drop(context_menu);
2070 self.hide_context_menu(window, cx);
2071 }
2072 } else {
2073 drop(context_menu);
2074 }
2075
2076 hide_hover(self, cx);
2077
2078 if old_cursor_position.to_display_point(&display_map).row()
2079 != new_cursor_position.to_display_point(&display_map).row()
2080 {
2081 self.available_code_actions.take();
2082 }
2083 self.refresh_code_actions(window, cx);
2084 self.refresh_document_highlights(cx);
2085 refresh_matching_bracket_highlights(self, window, cx);
2086 self.update_visible_inline_completion(window, cx);
2087 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
2088 if self.git_blame_inline_enabled {
2089 self.start_inline_blame_timer(window, cx);
2090 }
2091 }
2092
2093 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2094 cx.emit(EditorEvent::SelectionsChanged { local });
2095
2096 if self.selections.disjoint_anchors().len() == 1 {
2097 cx.emit(SearchEvent::ActiveMatchChanged)
2098 }
2099 cx.notify();
2100 }
2101
2102 pub fn change_selections<R>(
2103 &mut self,
2104 autoscroll: Option<Autoscroll>,
2105 window: &mut Window,
2106 cx: &mut Context<Self>,
2107 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2108 ) -> R {
2109 self.change_selections_inner(autoscroll, true, window, cx, change)
2110 }
2111
2112 pub fn change_selections_inner<R>(
2113 &mut self,
2114 autoscroll: Option<Autoscroll>,
2115 request_completions: bool,
2116 window: &mut Window,
2117 cx: &mut Context<Self>,
2118 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2119 ) -> R {
2120 let old_cursor_position = self.selections.newest_anchor().head();
2121 self.push_to_selection_history();
2122
2123 let (changed, result) = self.selections.change_with(cx, change);
2124
2125 if changed {
2126 if let Some(autoscroll) = autoscroll {
2127 self.request_autoscroll(autoscroll, cx);
2128 }
2129 self.selections_did_change(true, &old_cursor_position, request_completions, window, cx);
2130
2131 if self.should_open_signature_help_automatically(
2132 &old_cursor_position,
2133 self.signature_help_state.backspace_pressed(),
2134 cx,
2135 ) {
2136 self.show_signature_help(&ShowSignatureHelp, window, cx);
2137 }
2138 self.signature_help_state.set_backspace_pressed(false);
2139 }
2140
2141 result
2142 }
2143
2144 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2145 where
2146 I: IntoIterator<Item = (Range<S>, T)>,
2147 S: ToOffset,
2148 T: Into<Arc<str>>,
2149 {
2150 if self.read_only(cx) {
2151 return;
2152 }
2153
2154 self.buffer
2155 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2156 }
2157
2158 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut Context<Self>)
2159 where
2160 I: IntoIterator<Item = (Range<S>, T)>,
2161 S: ToOffset,
2162 T: Into<Arc<str>>,
2163 {
2164 if self.read_only(cx) {
2165 return;
2166 }
2167
2168 self.buffer.update(cx, |buffer, cx| {
2169 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2170 });
2171 }
2172
2173 pub fn edit_with_block_indent<I, S, T>(
2174 &mut self,
2175 edits: I,
2176 original_indent_columns: Vec<u32>,
2177 cx: &mut Context<Self>,
2178 ) where
2179 I: IntoIterator<Item = (Range<S>, T)>,
2180 S: ToOffset,
2181 T: Into<Arc<str>>,
2182 {
2183 if self.read_only(cx) {
2184 return;
2185 }
2186
2187 self.buffer.update(cx, |buffer, cx| {
2188 buffer.edit(
2189 edits,
2190 Some(AutoindentMode::Block {
2191 original_indent_columns,
2192 }),
2193 cx,
2194 )
2195 });
2196 }
2197
2198 fn select(&mut self, phase: SelectPhase, window: &mut Window, cx: &mut Context<Self>) {
2199 self.hide_context_menu(window, cx);
2200
2201 match phase {
2202 SelectPhase::Begin {
2203 position,
2204 add,
2205 click_count,
2206 } => self.begin_selection(position, add, click_count, window, cx),
2207 SelectPhase::BeginColumnar {
2208 position,
2209 goal_column,
2210 reset,
2211 } => self.begin_columnar_selection(position, goal_column, reset, window, cx),
2212 SelectPhase::Extend {
2213 position,
2214 click_count,
2215 } => self.extend_selection(position, click_count, window, cx),
2216 SelectPhase::Update {
2217 position,
2218 goal_column,
2219 scroll_delta,
2220 } => self.update_selection(position, goal_column, scroll_delta, window, cx),
2221 SelectPhase::End => self.end_selection(window, cx),
2222 }
2223 }
2224
2225 fn extend_selection(
2226 &mut self,
2227 position: DisplayPoint,
2228 click_count: usize,
2229 window: &mut Window,
2230 cx: &mut Context<Self>,
2231 ) {
2232 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2233 let tail = self.selections.newest::<usize>(cx).tail();
2234 self.begin_selection(position, false, click_count, window, cx);
2235
2236 let position = position.to_offset(&display_map, Bias::Left);
2237 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2238
2239 let mut pending_selection = self
2240 .selections
2241 .pending_anchor()
2242 .expect("extend_selection not called with pending selection");
2243 if position >= tail {
2244 pending_selection.start = tail_anchor;
2245 } else {
2246 pending_selection.end = tail_anchor;
2247 pending_selection.reversed = true;
2248 }
2249
2250 let mut pending_mode = self.selections.pending_mode().unwrap();
2251 match &mut pending_mode {
2252 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2253 _ => {}
2254 }
2255
2256 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
2257 s.set_pending(pending_selection, pending_mode)
2258 });
2259 }
2260
2261 fn begin_selection(
2262 &mut self,
2263 position: DisplayPoint,
2264 add: bool,
2265 click_count: usize,
2266 window: &mut Window,
2267 cx: &mut Context<Self>,
2268 ) {
2269 if !self.focus_handle.is_focused(window) {
2270 self.last_focused_descendant = None;
2271 window.focus(&self.focus_handle);
2272 }
2273
2274 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2275 let buffer = &display_map.buffer_snapshot;
2276 let newest_selection = self.selections.newest_anchor().clone();
2277 let position = display_map.clip_point(position, Bias::Left);
2278
2279 let start;
2280 let end;
2281 let mode;
2282 let mut auto_scroll;
2283 match click_count {
2284 1 => {
2285 start = buffer.anchor_before(position.to_point(&display_map));
2286 end = start;
2287 mode = SelectMode::Character;
2288 auto_scroll = true;
2289 }
2290 2 => {
2291 let range = movement::surrounding_word(&display_map, position);
2292 start = buffer.anchor_before(range.start.to_point(&display_map));
2293 end = buffer.anchor_before(range.end.to_point(&display_map));
2294 mode = SelectMode::Word(start..end);
2295 auto_scroll = true;
2296 }
2297 3 => {
2298 let position = display_map
2299 .clip_point(position, Bias::Left)
2300 .to_point(&display_map);
2301 let line_start = display_map.prev_line_boundary(position).0;
2302 let next_line_start = buffer.clip_point(
2303 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2304 Bias::Left,
2305 );
2306 start = buffer.anchor_before(line_start);
2307 end = buffer.anchor_before(next_line_start);
2308 mode = SelectMode::Line(start..end);
2309 auto_scroll = true;
2310 }
2311 _ => {
2312 start = buffer.anchor_before(0);
2313 end = buffer.anchor_before(buffer.len());
2314 mode = SelectMode::All;
2315 auto_scroll = false;
2316 }
2317 }
2318 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2319
2320 let point_to_delete: Option<usize> = {
2321 let selected_points: Vec<Selection<Point>> =
2322 self.selections.disjoint_in_range(start..end, cx);
2323
2324 if !add || click_count > 1 {
2325 None
2326 } else if !selected_points.is_empty() {
2327 Some(selected_points[0].id)
2328 } else {
2329 let clicked_point_already_selected =
2330 self.selections.disjoint.iter().find(|selection| {
2331 selection.start.to_point(buffer) == start.to_point(buffer)
2332 || selection.end.to_point(buffer) == end.to_point(buffer)
2333 });
2334
2335 clicked_point_already_selected.map(|selection| selection.id)
2336 }
2337 };
2338
2339 let selections_count = self.selections.count();
2340
2341 self.change_selections(auto_scroll.then(Autoscroll::newest), window, cx, |s| {
2342 if let Some(point_to_delete) = point_to_delete {
2343 s.delete(point_to_delete);
2344
2345 if selections_count == 1 {
2346 s.set_pending_anchor_range(start..end, mode);
2347 }
2348 } else {
2349 if !add {
2350 s.clear_disjoint();
2351 } else if click_count > 1 {
2352 s.delete(newest_selection.id)
2353 }
2354
2355 s.set_pending_anchor_range(start..end, mode);
2356 }
2357 });
2358 }
2359
2360 fn begin_columnar_selection(
2361 &mut self,
2362 position: DisplayPoint,
2363 goal_column: u32,
2364 reset: bool,
2365 window: &mut Window,
2366 cx: &mut Context<Self>,
2367 ) {
2368 if !self.focus_handle.is_focused(window) {
2369 self.last_focused_descendant = None;
2370 window.focus(&self.focus_handle);
2371 }
2372
2373 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2374
2375 if reset {
2376 let pointer_position = display_map
2377 .buffer_snapshot
2378 .anchor_before(position.to_point(&display_map));
2379
2380 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
2381 s.clear_disjoint();
2382 s.set_pending_anchor_range(
2383 pointer_position..pointer_position,
2384 SelectMode::Character,
2385 );
2386 });
2387 }
2388
2389 let tail = self.selections.newest::<Point>(cx).tail();
2390 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2391
2392 if !reset {
2393 self.select_columns(
2394 tail.to_display_point(&display_map),
2395 position,
2396 goal_column,
2397 &display_map,
2398 window,
2399 cx,
2400 );
2401 }
2402 }
2403
2404 fn update_selection(
2405 &mut self,
2406 position: DisplayPoint,
2407 goal_column: u32,
2408 scroll_delta: gpui::Point<f32>,
2409 window: &mut Window,
2410 cx: &mut Context<Self>,
2411 ) {
2412 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2413
2414 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2415 let tail = tail.to_display_point(&display_map);
2416 self.select_columns(tail, position, goal_column, &display_map, window, cx);
2417 } else if let Some(mut pending) = self.selections.pending_anchor() {
2418 let buffer = self.buffer.read(cx).snapshot(cx);
2419 let head;
2420 let tail;
2421 let mode = self.selections.pending_mode().unwrap();
2422 match &mode {
2423 SelectMode::Character => {
2424 head = position.to_point(&display_map);
2425 tail = pending.tail().to_point(&buffer);
2426 }
2427 SelectMode::Word(original_range) => {
2428 let original_display_range = original_range.start.to_display_point(&display_map)
2429 ..original_range.end.to_display_point(&display_map);
2430 let original_buffer_range = original_display_range.start.to_point(&display_map)
2431 ..original_display_range.end.to_point(&display_map);
2432 if movement::is_inside_word(&display_map, position)
2433 || original_display_range.contains(&position)
2434 {
2435 let word_range = movement::surrounding_word(&display_map, position);
2436 if word_range.start < original_display_range.start {
2437 head = word_range.start.to_point(&display_map);
2438 } else {
2439 head = word_range.end.to_point(&display_map);
2440 }
2441 } else {
2442 head = position.to_point(&display_map);
2443 }
2444
2445 if head <= original_buffer_range.start {
2446 tail = original_buffer_range.end;
2447 } else {
2448 tail = original_buffer_range.start;
2449 }
2450 }
2451 SelectMode::Line(original_range) => {
2452 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2453
2454 let position = display_map
2455 .clip_point(position, Bias::Left)
2456 .to_point(&display_map);
2457 let line_start = display_map.prev_line_boundary(position).0;
2458 let next_line_start = buffer.clip_point(
2459 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2460 Bias::Left,
2461 );
2462
2463 if line_start < original_range.start {
2464 head = line_start
2465 } else {
2466 head = next_line_start
2467 }
2468
2469 if head <= original_range.start {
2470 tail = original_range.end;
2471 } else {
2472 tail = original_range.start;
2473 }
2474 }
2475 SelectMode::All => {
2476 return;
2477 }
2478 };
2479
2480 if head < tail {
2481 pending.start = buffer.anchor_before(head);
2482 pending.end = buffer.anchor_before(tail);
2483 pending.reversed = true;
2484 } else {
2485 pending.start = buffer.anchor_before(tail);
2486 pending.end = buffer.anchor_before(head);
2487 pending.reversed = false;
2488 }
2489
2490 self.change_selections(None, window, cx, |s| {
2491 s.set_pending(pending, mode);
2492 });
2493 } else {
2494 log::error!("update_selection dispatched with no pending selection");
2495 return;
2496 }
2497
2498 self.apply_scroll_delta(scroll_delta, window, cx);
2499 cx.notify();
2500 }
2501
2502 fn end_selection(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2503 self.columnar_selection_tail.take();
2504 if self.selections.pending_anchor().is_some() {
2505 let selections = self.selections.all::<usize>(cx);
2506 self.change_selections(None, window, cx, |s| {
2507 s.select(selections);
2508 s.clear_pending();
2509 });
2510 }
2511 }
2512
2513 fn select_columns(
2514 &mut self,
2515 tail: DisplayPoint,
2516 head: DisplayPoint,
2517 goal_column: u32,
2518 display_map: &DisplaySnapshot,
2519 window: &mut Window,
2520 cx: &mut Context<Self>,
2521 ) {
2522 let start_row = cmp::min(tail.row(), head.row());
2523 let end_row = cmp::max(tail.row(), head.row());
2524 let start_column = cmp::min(tail.column(), goal_column);
2525 let end_column = cmp::max(tail.column(), goal_column);
2526 let reversed = start_column < tail.column();
2527
2528 let selection_ranges = (start_row.0..=end_row.0)
2529 .map(DisplayRow)
2530 .filter_map(|row| {
2531 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2532 let start = display_map
2533 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2534 .to_point(display_map);
2535 let end = display_map
2536 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2537 .to_point(display_map);
2538 if reversed {
2539 Some(end..start)
2540 } else {
2541 Some(start..end)
2542 }
2543 } else {
2544 None
2545 }
2546 })
2547 .collect::<Vec<_>>();
2548
2549 self.change_selections(None, window, cx, |s| {
2550 s.select_ranges(selection_ranges);
2551 });
2552 cx.notify();
2553 }
2554
2555 pub fn has_pending_nonempty_selection(&self) -> bool {
2556 let pending_nonempty_selection = match self.selections.pending_anchor() {
2557 Some(Selection { start, end, .. }) => start != end,
2558 None => false,
2559 };
2560
2561 pending_nonempty_selection
2562 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2563 }
2564
2565 pub fn has_pending_selection(&self) -> bool {
2566 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2567 }
2568
2569 pub fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
2570 self.selection_mark_mode = false;
2571
2572 if self.clear_expanded_diff_hunks(cx) {
2573 cx.notify();
2574 return;
2575 }
2576 if self.dismiss_menus_and_popups(true, window, cx) {
2577 return;
2578 }
2579
2580 if self.mode == EditorMode::Full
2581 && self.change_selections(Some(Autoscroll::fit()), window, cx, |s| s.try_cancel())
2582 {
2583 return;
2584 }
2585
2586 cx.propagate();
2587 }
2588
2589 pub fn dismiss_menus_and_popups(
2590 &mut self,
2591 should_report_inline_completion_event: bool,
2592 window: &mut Window,
2593 cx: &mut Context<Self>,
2594 ) -> bool {
2595 if self.take_rename(false, window, cx).is_some() {
2596 return true;
2597 }
2598
2599 if hide_hover(self, cx) {
2600 return true;
2601 }
2602
2603 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2604 return true;
2605 }
2606
2607 if self.hide_context_menu(window, cx).is_some() {
2608 if self.show_inline_completions_in_menu(cx) && self.has_active_inline_completion() {
2609 self.update_visible_inline_completion(window, cx);
2610 }
2611 return true;
2612 }
2613
2614 if self.mouse_context_menu.take().is_some() {
2615 return true;
2616 }
2617
2618 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2619 return true;
2620 }
2621
2622 if self.snippet_stack.pop().is_some() {
2623 return true;
2624 }
2625
2626 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2627 self.dismiss_diagnostics(cx);
2628 return true;
2629 }
2630
2631 false
2632 }
2633
2634 fn linked_editing_ranges_for(
2635 &self,
2636 selection: Range<text::Anchor>,
2637 cx: &App,
2638 ) -> Option<HashMap<Entity<Buffer>, Vec<Range<text::Anchor>>>> {
2639 if self.linked_edit_ranges.is_empty() {
2640 return None;
2641 }
2642 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2643 selection.end.buffer_id.and_then(|end_buffer_id| {
2644 if selection.start.buffer_id != Some(end_buffer_id) {
2645 return None;
2646 }
2647 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2648 let snapshot = buffer.read(cx).snapshot();
2649 self.linked_edit_ranges
2650 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2651 .map(|ranges| (ranges, snapshot, buffer))
2652 })?;
2653 use text::ToOffset as TO;
2654 // find offset from the start of current range to current cursor position
2655 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2656
2657 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2658 let start_difference = start_offset - start_byte_offset;
2659 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2660 let end_difference = end_offset - start_byte_offset;
2661 // Current range has associated linked ranges.
2662 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2663 for range in linked_ranges.iter() {
2664 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2665 let end_offset = start_offset + end_difference;
2666 let start_offset = start_offset + start_difference;
2667 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2668 continue;
2669 }
2670 if self.selections.disjoint_anchor_ranges().any(|s| {
2671 if s.start.buffer_id != selection.start.buffer_id
2672 || s.end.buffer_id != selection.end.buffer_id
2673 {
2674 return false;
2675 }
2676 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2677 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2678 }) {
2679 continue;
2680 }
2681 let start = buffer_snapshot.anchor_after(start_offset);
2682 let end = buffer_snapshot.anchor_after(end_offset);
2683 linked_edits
2684 .entry(buffer.clone())
2685 .or_default()
2686 .push(start..end);
2687 }
2688 Some(linked_edits)
2689 }
2690
2691 pub fn handle_input(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
2692 let text: Arc<str> = text.into();
2693
2694 if self.read_only(cx) {
2695 return;
2696 }
2697
2698 let selections = self.selections.all_adjusted(cx);
2699 let mut bracket_inserted = false;
2700 let mut edits = Vec::new();
2701 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2702 let mut new_selections = Vec::with_capacity(selections.len());
2703 let mut new_autoclose_regions = Vec::new();
2704 let snapshot = self.buffer.read(cx).read(cx);
2705
2706 for (selection, autoclose_region) in
2707 self.selections_with_autoclose_regions(selections, &snapshot)
2708 {
2709 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2710 // Determine if the inserted text matches the opening or closing
2711 // bracket of any of this language's bracket pairs.
2712 let mut bracket_pair = None;
2713 let mut is_bracket_pair_start = false;
2714 let mut is_bracket_pair_end = false;
2715 if !text.is_empty() {
2716 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2717 // and they are removing the character that triggered IME popup.
2718 for (pair, enabled) in scope.brackets() {
2719 if !pair.close && !pair.surround {
2720 continue;
2721 }
2722
2723 if enabled && pair.start.ends_with(text.as_ref()) {
2724 let prefix_len = pair.start.len() - text.len();
2725 let preceding_text_matches_prefix = prefix_len == 0
2726 || (selection.start.column >= (prefix_len as u32)
2727 && snapshot.contains_str_at(
2728 Point::new(
2729 selection.start.row,
2730 selection.start.column - (prefix_len as u32),
2731 ),
2732 &pair.start[..prefix_len],
2733 ));
2734 if preceding_text_matches_prefix {
2735 bracket_pair = Some(pair.clone());
2736 is_bracket_pair_start = true;
2737 break;
2738 }
2739 }
2740 if pair.end.as_str() == text.as_ref() {
2741 bracket_pair = Some(pair.clone());
2742 is_bracket_pair_end = true;
2743 break;
2744 }
2745 }
2746 }
2747
2748 if let Some(bracket_pair) = bracket_pair {
2749 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2750 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2751 let auto_surround =
2752 self.use_auto_surround && snapshot_settings.use_auto_surround;
2753 if selection.is_empty() {
2754 if is_bracket_pair_start {
2755 // If the inserted text is a suffix of an opening bracket and the
2756 // selection is preceded by the rest of the opening bracket, then
2757 // insert the closing bracket.
2758 let following_text_allows_autoclose = snapshot
2759 .chars_at(selection.start)
2760 .next()
2761 .map_or(true, |c| scope.should_autoclose_before(c));
2762
2763 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2764 && bracket_pair.start.len() == 1
2765 {
2766 let target = bracket_pair.start.chars().next().unwrap();
2767 let current_line_count = snapshot
2768 .reversed_chars_at(selection.start)
2769 .take_while(|&c| c != '\n')
2770 .filter(|&c| c == target)
2771 .count();
2772 current_line_count % 2 == 1
2773 } else {
2774 false
2775 };
2776
2777 if autoclose
2778 && bracket_pair.close
2779 && following_text_allows_autoclose
2780 && !is_closing_quote
2781 {
2782 let anchor = snapshot.anchor_before(selection.end);
2783 new_selections.push((selection.map(|_| anchor), text.len()));
2784 new_autoclose_regions.push((
2785 anchor,
2786 text.len(),
2787 selection.id,
2788 bracket_pair.clone(),
2789 ));
2790 edits.push((
2791 selection.range(),
2792 format!("{}{}", text, bracket_pair.end).into(),
2793 ));
2794 bracket_inserted = true;
2795 continue;
2796 }
2797 }
2798
2799 if let Some(region) = autoclose_region {
2800 // If the selection is followed by an auto-inserted closing bracket,
2801 // then don't insert that closing bracket again; just move the selection
2802 // past the closing bracket.
2803 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2804 && text.as_ref() == region.pair.end.as_str();
2805 if should_skip {
2806 let anchor = snapshot.anchor_after(selection.end);
2807 new_selections
2808 .push((selection.map(|_| anchor), region.pair.end.len()));
2809 continue;
2810 }
2811 }
2812
2813 let always_treat_brackets_as_autoclosed = snapshot
2814 .settings_at(selection.start, cx)
2815 .always_treat_brackets_as_autoclosed;
2816 if always_treat_brackets_as_autoclosed
2817 && is_bracket_pair_end
2818 && snapshot.contains_str_at(selection.end, text.as_ref())
2819 {
2820 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2821 // and the inserted text is a closing bracket and the selection is followed
2822 // by the closing bracket then move the selection past the closing bracket.
2823 let anchor = snapshot.anchor_after(selection.end);
2824 new_selections.push((selection.map(|_| anchor), text.len()));
2825 continue;
2826 }
2827 }
2828 // If an opening bracket is 1 character long and is typed while
2829 // text is selected, then surround that text with the bracket pair.
2830 else if auto_surround
2831 && bracket_pair.surround
2832 && is_bracket_pair_start
2833 && bracket_pair.start.chars().count() == 1
2834 {
2835 edits.push((selection.start..selection.start, text.clone()));
2836 edits.push((
2837 selection.end..selection.end,
2838 bracket_pair.end.as_str().into(),
2839 ));
2840 bracket_inserted = true;
2841 new_selections.push((
2842 Selection {
2843 id: selection.id,
2844 start: snapshot.anchor_after(selection.start),
2845 end: snapshot.anchor_before(selection.end),
2846 reversed: selection.reversed,
2847 goal: selection.goal,
2848 },
2849 0,
2850 ));
2851 continue;
2852 }
2853 }
2854 }
2855
2856 if self.auto_replace_emoji_shortcode
2857 && selection.is_empty()
2858 && text.as_ref().ends_with(':')
2859 {
2860 if let Some(possible_emoji_short_code) =
2861 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2862 {
2863 if !possible_emoji_short_code.is_empty() {
2864 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2865 let emoji_shortcode_start = Point::new(
2866 selection.start.row,
2867 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2868 );
2869
2870 // Remove shortcode from buffer
2871 edits.push((
2872 emoji_shortcode_start..selection.start,
2873 "".to_string().into(),
2874 ));
2875 new_selections.push((
2876 Selection {
2877 id: selection.id,
2878 start: snapshot.anchor_after(emoji_shortcode_start),
2879 end: snapshot.anchor_before(selection.start),
2880 reversed: selection.reversed,
2881 goal: selection.goal,
2882 },
2883 0,
2884 ));
2885
2886 // Insert emoji
2887 let selection_start_anchor = snapshot.anchor_after(selection.start);
2888 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2889 edits.push((selection.start..selection.end, emoji.to_string().into()));
2890
2891 continue;
2892 }
2893 }
2894 }
2895 }
2896
2897 // If not handling any auto-close operation, then just replace the selected
2898 // text with the given input and move the selection to the end of the
2899 // newly inserted text.
2900 let anchor = snapshot.anchor_after(selection.end);
2901 if !self.linked_edit_ranges.is_empty() {
2902 let start_anchor = snapshot.anchor_before(selection.start);
2903
2904 let is_word_char = text.chars().next().map_or(true, |char| {
2905 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2906 classifier.is_word(char)
2907 });
2908
2909 if is_word_char {
2910 if let Some(ranges) = self
2911 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2912 {
2913 for (buffer, edits) in ranges {
2914 linked_edits
2915 .entry(buffer.clone())
2916 .or_default()
2917 .extend(edits.into_iter().map(|range| (range, text.clone())));
2918 }
2919 }
2920 }
2921 }
2922
2923 new_selections.push((selection.map(|_| anchor), 0));
2924 edits.push((selection.start..selection.end, text.clone()));
2925 }
2926
2927 drop(snapshot);
2928
2929 self.transact(window, cx, |this, window, cx| {
2930 this.buffer.update(cx, |buffer, cx| {
2931 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2932 });
2933 for (buffer, edits) in linked_edits {
2934 buffer.update(cx, |buffer, cx| {
2935 let snapshot = buffer.snapshot();
2936 let edits = edits
2937 .into_iter()
2938 .map(|(range, text)| {
2939 use text::ToPoint as TP;
2940 let end_point = TP::to_point(&range.end, &snapshot);
2941 let start_point = TP::to_point(&range.start, &snapshot);
2942 (start_point..end_point, text)
2943 })
2944 .sorted_by_key(|(range, _)| range.start)
2945 .collect::<Vec<_>>();
2946 buffer.edit(edits, None, cx);
2947 })
2948 }
2949 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2950 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2951 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2952 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2953 .zip(new_selection_deltas)
2954 .map(|(selection, delta)| Selection {
2955 id: selection.id,
2956 start: selection.start + delta,
2957 end: selection.end + delta,
2958 reversed: selection.reversed,
2959 goal: SelectionGoal::None,
2960 })
2961 .collect::<Vec<_>>();
2962
2963 let mut i = 0;
2964 for (position, delta, selection_id, pair) in new_autoclose_regions {
2965 let position = position.to_offset(&map.buffer_snapshot) + delta;
2966 let start = map.buffer_snapshot.anchor_before(position);
2967 let end = map.buffer_snapshot.anchor_after(position);
2968 while let Some(existing_state) = this.autoclose_regions.get(i) {
2969 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2970 Ordering::Less => i += 1,
2971 Ordering::Greater => break,
2972 Ordering::Equal => {
2973 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
2974 Ordering::Less => i += 1,
2975 Ordering::Equal => break,
2976 Ordering::Greater => break,
2977 }
2978 }
2979 }
2980 }
2981 this.autoclose_regions.insert(
2982 i,
2983 AutocloseRegion {
2984 selection_id,
2985 range: start..end,
2986 pair,
2987 },
2988 );
2989 }
2990
2991 let had_active_inline_completion = this.has_active_inline_completion();
2992 this.change_selections_inner(Some(Autoscroll::fit()), false, window, cx, |s| {
2993 s.select(new_selections)
2994 });
2995
2996 if !bracket_inserted {
2997 if let Some(on_type_format_task) =
2998 this.trigger_on_type_formatting(text.to_string(), window, cx)
2999 {
3000 on_type_format_task.detach_and_log_err(cx);
3001 }
3002 }
3003
3004 let editor_settings = EditorSettings::get_global(cx);
3005 if bracket_inserted
3006 && (editor_settings.auto_signature_help
3007 || editor_settings.show_signature_help_after_edits)
3008 {
3009 this.show_signature_help(&ShowSignatureHelp, window, cx);
3010 }
3011
3012 let trigger_in_words =
3013 this.show_inline_completions_in_menu(cx) || !had_active_inline_completion;
3014 this.trigger_completion_on_input(&text, trigger_in_words, window, cx);
3015 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
3016 this.refresh_inline_completion(true, false, window, cx);
3017 });
3018 }
3019
3020 fn find_possible_emoji_shortcode_at_position(
3021 snapshot: &MultiBufferSnapshot,
3022 position: Point,
3023 ) -> Option<String> {
3024 let mut chars = Vec::new();
3025 let mut found_colon = false;
3026 for char in snapshot.reversed_chars_at(position).take(100) {
3027 // Found a possible emoji shortcode in the middle of the buffer
3028 if found_colon {
3029 if char.is_whitespace() {
3030 chars.reverse();
3031 return Some(chars.iter().collect());
3032 }
3033 // If the previous character is not a whitespace, we are in the middle of a word
3034 // and we only want to complete the shortcode if the word is made up of other emojis
3035 let mut containing_word = String::new();
3036 for ch in snapshot
3037 .reversed_chars_at(position)
3038 .skip(chars.len() + 1)
3039 .take(100)
3040 {
3041 if ch.is_whitespace() {
3042 break;
3043 }
3044 containing_word.push(ch);
3045 }
3046 let containing_word = containing_word.chars().rev().collect::<String>();
3047 if util::word_consists_of_emojis(containing_word.as_str()) {
3048 chars.reverse();
3049 return Some(chars.iter().collect());
3050 }
3051 }
3052
3053 if char.is_whitespace() || !char.is_ascii() {
3054 return None;
3055 }
3056 if char == ':' {
3057 found_colon = true;
3058 } else {
3059 chars.push(char);
3060 }
3061 }
3062 // Found a possible emoji shortcode at the beginning of the buffer
3063 chars.reverse();
3064 Some(chars.iter().collect())
3065 }
3066
3067 pub fn newline(&mut self, _: &Newline, window: &mut Window, cx: &mut Context<Self>) {
3068 self.transact(window, cx, |this, window, cx| {
3069 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3070 let selections = this.selections.all::<usize>(cx);
3071 let multi_buffer = this.buffer.read(cx);
3072 let buffer = multi_buffer.snapshot(cx);
3073 selections
3074 .iter()
3075 .map(|selection| {
3076 let start_point = selection.start.to_point(&buffer);
3077 let mut indent =
3078 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3079 indent.len = cmp::min(indent.len, start_point.column);
3080 let start = selection.start;
3081 let end = selection.end;
3082 let selection_is_empty = start == end;
3083 let language_scope = buffer.language_scope_at(start);
3084 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3085 &language_scope
3086 {
3087 let leading_whitespace_len = buffer
3088 .reversed_chars_at(start)
3089 .take_while(|c| c.is_whitespace() && *c != '\n')
3090 .map(|c| c.len_utf8())
3091 .sum::<usize>();
3092
3093 let trailing_whitespace_len = buffer
3094 .chars_at(end)
3095 .take_while(|c| c.is_whitespace() && *c != '\n')
3096 .map(|c| c.len_utf8())
3097 .sum::<usize>();
3098
3099 let insert_extra_newline =
3100 language.brackets().any(|(pair, enabled)| {
3101 let pair_start = pair.start.trim_end();
3102 let pair_end = pair.end.trim_start();
3103
3104 enabled
3105 && pair.newline
3106 && buffer.contains_str_at(
3107 end + trailing_whitespace_len,
3108 pair_end,
3109 )
3110 && buffer.contains_str_at(
3111 (start - leading_whitespace_len)
3112 .saturating_sub(pair_start.len()),
3113 pair_start,
3114 )
3115 });
3116
3117 // Comment extension on newline is allowed only for cursor selections
3118 let comment_delimiter = maybe!({
3119 if !selection_is_empty {
3120 return None;
3121 }
3122
3123 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3124 return None;
3125 }
3126
3127 let delimiters = language.line_comment_prefixes();
3128 let max_len_of_delimiter =
3129 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3130 let (snapshot, range) =
3131 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3132
3133 let mut index_of_first_non_whitespace = 0;
3134 let comment_candidate = snapshot
3135 .chars_for_range(range)
3136 .skip_while(|c| {
3137 let should_skip = c.is_whitespace();
3138 if should_skip {
3139 index_of_first_non_whitespace += 1;
3140 }
3141 should_skip
3142 })
3143 .take(max_len_of_delimiter)
3144 .collect::<String>();
3145 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3146 comment_candidate.starts_with(comment_prefix.as_ref())
3147 })?;
3148 let cursor_is_placed_after_comment_marker =
3149 index_of_first_non_whitespace + comment_prefix.len()
3150 <= start_point.column as usize;
3151 if cursor_is_placed_after_comment_marker {
3152 Some(comment_prefix.clone())
3153 } else {
3154 None
3155 }
3156 });
3157 (comment_delimiter, insert_extra_newline)
3158 } else {
3159 (None, false)
3160 };
3161
3162 let capacity_for_delimiter = comment_delimiter
3163 .as_deref()
3164 .map(str::len)
3165 .unwrap_or_default();
3166 let mut new_text =
3167 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3168 new_text.push('\n');
3169 new_text.extend(indent.chars());
3170 if let Some(delimiter) = &comment_delimiter {
3171 new_text.push_str(delimiter);
3172 }
3173 if insert_extra_newline {
3174 new_text = new_text.repeat(2);
3175 }
3176
3177 let anchor = buffer.anchor_after(end);
3178 let new_selection = selection.map(|_| anchor);
3179 (
3180 (start..end, new_text),
3181 (insert_extra_newline, new_selection),
3182 )
3183 })
3184 .unzip()
3185 };
3186
3187 this.edit_with_autoindent(edits, cx);
3188 let buffer = this.buffer.read(cx).snapshot(cx);
3189 let new_selections = selection_fixup_info
3190 .into_iter()
3191 .map(|(extra_newline_inserted, new_selection)| {
3192 let mut cursor = new_selection.end.to_point(&buffer);
3193 if extra_newline_inserted {
3194 cursor.row -= 1;
3195 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3196 }
3197 new_selection.map(|_| cursor)
3198 })
3199 .collect();
3200
3201 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3202 s.select(new_selections)
3203 });
3204 this.refresh_inline_completion(true, false, window, cx);
3205 });
3206 }
3207
3208 pub fn newline_above(&mut self, _: &NewlineAbove, window: &mut Window, cx: &mut Context<Self>) {
3209 let buffer = self.buffer.read(cx);
3210 let snapshot = buffer.snapshot(cx);
3211
3212 let mut edits = Vec::new();
3213 let mut rows = Vec::new();
3214
3215 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3216 let cursor = selection.head();
3217 let row = cursor.row;
3218
3219 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3220
3221 let newline = "\n".to_string();
3222 edits.push((start_of_line..start_of_line, newline));
3223
3224 rows.push(row + rows_inserted as u32);
3225 }
3226
3227 self.transact(window, cx, |editor, window, cx| {
3228 editor.edit(edits, cx);
3229
3230 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3231 let mut index = 0;
3232 s.move_cursors_with(|map, _, _| {
3233 let row = rows[index];
3234 index += 1;
3235
3236 let point = Point::new(row, 0);
3237 let boundary = map.next_line_boundary(point).1;
3238 let clipped = map.clip_point(boundary, Bias::Left);
3239
3240 (clipped, SelectionGoal::None)
3241 });
3242 });
3243
3244 let mut indent_edits = Vec::new();
3245 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3246 for row in rows {
3247 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3248 for (row, indent) in indents {
3249 if indent.len == 0 {
3250 continue;
3251 }
3252
3253 let text = match indent.kind {
3254 IndentKind::Space => " ".repeat(indent.len as usize),
3255 IndentKind::Tab => "\t".repeat(indent.len as usize),
3256 };
3257 let point = Point::new(row.0, 0);
3258 indent_edits.push((point..point, text));
3259 }
3260 }
3261 editor.edit(indent_edits, cx);
3262 });
3263 }
3264
3265 pub fn newline_below(&mut self, _: &NewlineBelow, window: &mut Window, cx: &mut Context<Self>) {
3266 let buffer = self.buffer.read(cx);
3267 let snapshot = buffer.snapshot(cx);
3268
3269 let mut edits = Vec::new();
3270 let mut rows = Vec::new();
3271 let mut rows_inserted = 0;
3272
3273 for selection in self.selections.all_adjusted(cx) {
3274 let cursor = selection.head();
3275 let row = cursor.row;
3276
3277 let point = Point::new(row + 1, 0);
3278 let start_of_line = snapshot.clip_point(point, Bias::Left);
3279
3280 let newline = "\n".to_string();
3281 edits.push((start_of_line..start_of_line, newline));
3282
3283 rows_inserted += 1;
3284 rows.push(row + rows_inserted);
3285 }
3286
3287 self.transact(window, cx, |editor, window, cx| {
3288 editor.edit(edits, cx);
3289
3290 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3291 let mut index = 0;
3292 s.move_cursors_with(|map, _, _| {
3293 let row = rows[index];
3294 index += 1;
3295
3296 let point = Point::new(row, 0);
3297 let boundary = map.next_line_boundary(point).1;
3298 let clipped = map.clip_point(boundary, Bias::Left);
3299
3300 (clipped, SelectionGoal::None)
3301 });
3302 });
3303
3304 let mut indent_edits = Vec::new();
3305 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3306 for row in rows {
3307 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3308 for (row, indent) in indents {
3309 if indent.len == 0 {
3310 continue;
3311 }
3312
3313 let text = match indent.kind {
3314 IndentKind::Space => " ".repeat(indent.len as usize),
3315 IndentKind::Tab => "\t".repeat(indent.len as usize),
3316 };
3317 let point = Point::new(row.0, 0);
3318 indent_edits.push((point..point, text));
3319 }
3320 }
3321 editor.edit(indent_edits, cx);
3322 });
3323 }
3324
3325 pub fn insert(&mut self, text: &str, window: &mut Window, cx: &mut Context<Self>) {
3326 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3327 original_indent_columns: Vec::new(),
3328 });
3329 self.insert_with_autoindent_mode(text, autoindent, window, cx);
3330 }
3331
3332 fn insert_with_autoindent_mode(
3333 &mut self,
3334 text: &str,
3335 autoindent_mode: Option<AutoindentMode>,
3336 window: &mut Window,
3337 cx: &mut Context<Self>,
3338 ) {
3339 if self.read_only(cx) {
3340 return;
3341 }
3342
3343 let text: Arc<str> = text.into();
3344 self.transact(window, cx, |this, window, cx| {
3345 let old_selections = this.selections.all_adjusted(cx);
3346 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3347 let anchors = {
3348 let snapshot = buffer.read(cx);
3349 old_selections
3350 .iter()
3351 .map(|s| {
3352 let anchor = snapshot.anchor_after(s.head());
3353 s.map(|_| anchor)
3354 })
3355 .collect::<Vec<_>>()
3356 };
3357 buffer.edit(
3358 old_selections
3359 .iter()
3360 .map(|s| (s.start..s.end, text.clone())),
3361 autoindent_mode,
3362 cx,
3363 );
3364 anchors
3365 });
3366
3367 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
3368 s.select_anchors(selection_anchors);
3369 });
3370
3371 cx.notify();
3372 });
3373 }
3374
3375 fn trigger_completion_on_input(
3376 &mut self,
3377 text: &str,
3378 trigger_in_words: bool,
3379 window: &mut Window,
3380 cx: &mut Context<Self>,
3381 ) {
3382 if self.is_completion_trigger(text, trigger_in_words, cx) {
3383 self.show_completions(
3384 &ShowCompletions {
3385 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3386 },
3387 window,
3388 cx,
3389 );
3390 } else {
3391 self.hide_context_menu(window, cx);
3392 }
3393 }
3394
3395 fn is_completion_trigger(
3396 &self,
3397 text: &str,
3398 trigger_in_words: bool,
3399 cx: &mut Context<Self>,
3400 ) -> bool {
3401 let position = self.selections.newest_anchor().head();
3402 let multibuffer = self.buffer.read(cx);
3403 let Some(buffer) = position
3404 .buffer_id
3405 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3406 else {
3407 return false;
3408 };
3409
3410 if let Some(completion_provider) = &self.completion_provider {
3411 completion_provider.is_completion_trigger(
3412 &buffer,
3413 position.text_anchor,
3414 text,
3415 trigger_in_words,
3416 cx,
3417 )
3418 } else {
3419 false
3420 }
3421 }
3422
3423 /// If any empty selections is touching the start of its innermost containing autoclose
3424 /// region, expand it to select the brackets.
3425 fn select_autoclose_pair(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3426 let selections = self.selections.all::<usize>(cx);
3427 let buffer = self.buffer.read(cx).read(cx);
3428 let new_selections = self
3429 .selections_with_autoclose_regions(selections, &buffer)
3430 .map(|(mut selection, region)| {
3431 if !selection.is_empty() {
3432 return selection;
3433 }
3434
3435 if let Some(region) = region {
3436 let mut range = region.range.to_offset(&buffer);
3437 if selection.start == range.start && range.start >= region.pair.start.len() {
3438 range.start -= region.pair.start.len();
3439 if buffer.contains_str_at(range.start, ®ion.pair.start)
3440 && buffer.contains_str_at(range.end, ®ion.pair.end)
3441 {
3442 range.end += region.pair.end.len();
3443 selection.start = range.start;
3444 selection.end = range.end;
3445
3446 return selection;
3447 }
3448 }
3449 }
3450
3451 let always_treat_brackets_as_autoclosed = buffer
3452 .settings_at(selection.start, cx)
3453 .always_treat_brackets_as_autoclosed;
3454
3455 if !always_treat_brackets_as_autoclosed {
3456 return selection;
3457 }
3458
3459 if let Some(scope) = buffer.language_scope_at(selection.start) {
3460 for (pair, enabled) in scope.brackets() {
3461 if !enabled || !pair.close {
3462 continue;
3463 }
3464
3465 if buffer.contains_str_at(selection.start, &pair.end) {
3466 let pair_start_len = pair.start.len();
3467 if buffer.contains_str_at(
3468 selection.start.saturating_sub(pair_start_len),
3469 &pair.start,
3470 ) {
3471 selection.start -= pair_start_len;
3472 selection.end += pair.end.len();
3473
3474 return selection;
3475 }
3476 }
3477 }
3478 }
3479
3480 selection
3481 })
3482 .collect();
3483
3484 drop(buffer);
3485 self.change_selections(None, window, cx, |selections| {
3486 selections.select(new_selections)
3487 });
3488 }
3489
3490 /// Iterate the given selections, and for each one, find the smallest surrounding
3491 /// autoclose region. This uses the ordering of the selections and the autoclose
3492 /// regions to avoid repeated comparisons.
3493 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3494 &'a self,
3495 selections: impl IntoIterator<Item = Selection<D>>,
3496 buffer: &'a MultiBufferSnapshot,
3497 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3498 let mut i = 0;
3499 let mut regions = self.autoclose_regions.as_slice();
3500 selections.into_iter().map(move |selection| {
3501 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3502
3503 let mut enclosing = None;
3504 while let Some(pair_state) = regions.get(i) {
3505 if pair_state.range.end.to_offset(buffer) < range.start {
3506 regions = ®ions[i + 1..];
3507 i = 0;
3508 } else if pair_state.range.start.to_offset(buffer) > range.end {
3509 break;
3510 } else {
3511 if pair_state.selection_id == selection.id {
3512 enclosing = Some(pair_state);
3513 }
3514 i += 1;
3515 }
3516 }
3517
3518 (selection, enclosing)
3519 })
3520 }
3521
3522 /// Remove any autoclose regions that no longer contain their selection.
3523 fn invalidate_autoclose_regions(
3524 &mut self,
3525 mut selections: &[Selection<Anchor>],
3526 buffer: &MultiBufferSnapshot,
3527 ) {
3528 self.autoclose_regions.retain(|state| {
3529 let mut i = 0;
3530 while let Some(selection) = selections.get(i) {
3531 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3532 selections = &selections[1..];
3533 continue;
3534 }
3535 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3536 break;
3537 }
3538 if selection.id == state.selection_id {
3539 return true;
3540 } else {
3541 i += 1;
3542 }
3543 }
3544 false
3545 });
3546 }
3547
3548 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3549 let offset = position.to_offset(buffer);
3550 let (word_range, kind) = buffer.surrounding_word(offset, true);
3551 if offset > word_range.start && kind == Some(CharKind::Word) {
3552 Some(
3553 buffer
3554 .text_for_range(word_range.start..offset)
3555 .collect::<String>(),
3556 )
3557 } else {
3558 None
3559 }
3560 }
3561
3562 pub fn toggle_inlay_hints(
3563 &mut self,
3564 _: &ToggleInlayHints,
3565 _: &mut Window,
3566 cx: &mut Context<Self>,
3567 ) {
3568 self.refresh_inlay_hints(
3569 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3570 cx,
3571 );
3572 }
3573
3574 pub fn inlay_hints_enabled(&self) -> bool {
3575 self.inlay_hint_cache.enabled
3576 }
3577
3578 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut Context<Self>) {
3579 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3580 return;
3581 }
3582
3583 let reason_description = reason.description();
3584 let ignore_debounce = matches!(
3585 reason,
3586 InlayHintRefreshReason::SettingsChange(_)
3587 | InlayHintRefreshReason::Toggle(_)
3588 | InlayHintRefreshReason::ExcerptsRemoved(_)
3589 );
3590 let (invalidate_cache, required_languages) = match reason {
3591 InlayHintRefreshReason::Toggle(enabled) => {
3592 self.inlay_hint_cache.enabled = enabled;
3593 if enabled {
3594 (InvalidationStrategy::RefreshRequested, None)
3595 } else {
3596 self.inlay_hint_cache.clear();
3597 self.splice_inlays(
3598 self.visible_inlay_hints(cx)
3599 .iter()
3600 .map(|inlay| inlay.id)
3601 .collect(),
3602 Vec::new(),
3603 cx,
3604 );
3605 return;
3606 }
3607 }
3608 InlayHintRefreshReason::SettingsChange(new_settings) => {
3609 match self.inlay_hint_cache.update_settings(
3610 &self.buffer,
3611 new_settings,
3612 self.visible_inlay_hints(cx),
3613 cx,
3614 ) {
3615 ControlFlow::Break(Some(InlaySplice {
3616 to_remove,
3617 to_insert,
3618 })) => {
3619 self.splice_inlays(to_remove, to_insert, cx);
3620 return;
3621 }
3622 ControlFlow::Break(None) => return,
3623 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3624 }
3625 }
3626 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3627 if let Some(InlaySplice {
3628 to_remove,
3629 to_insert,
3630 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3631 {
3632 self.splice_inlays(to_remove, to_insert, cx);
3633 }
3634 return;
3635 }
3636 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3637 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3638 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3639 }
3640 InlayHintRefreshReason::RefreshRequested => {
3641 (InvalidationStrategy::RefreshRequested, None)
3642 }
3643 };
3644
3645 if let Some(InlaySplice {
3646 to_remove,
3647 to_insert,
3648 }) = self.inlay_hint_cache.spawn_hint_refresh(
3649 reason_description,
3650 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3651 invalidate_cache,
3652 ignore_debounce,
3653 cx,
3654 ) {
3655 self.splice_inlays(to_remove, to_insert, cx);
3656 }
3657 }
3658
3659 fn visible_inlay_hints(&self, cx: &Context<Editor>) -> Vec<Inlay> {
3660 self.display_map
3661 .read(cx)
3662 .current_inlays()
3663 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3664 .cloned()
3665 .collect()
3666 }
3667
3668 pub fn excerpts_for_inlay_hints_query(
3669 &self,
3670 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3671 cx: &mut Context<Editor>,
3672 ) -> HashMap<ExcerptId, (Entity<Buffer>, clock::Global, Range<usize>)> {
3673 let Some(project) = self.project.as_ref() else {
3674 return HashMap::default();
3675 };
3676 let project = project.read(cx);
3677 let multi_buffer = self.buffer().read(cx);
3678 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3679 let multi_buffer_visible_start = self
3680 .scroll_manager
3681 .anchor()
3682 .anchor
3683 .to_point(&multi_buffer_snapshot);
3684 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3685 multi_buffer_visible_start
3686 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3687 Bias::Left,
3688 );
3689 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3690 multi_buffer_snapshot
3691 .range_to_buffer_ranges(multi_buffer_visible_range)
3692 .into_iter()
3693 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3694 .filter_map(|(buffer, excerpt_visible_range, excerpt_id)| {
3695 let buffer_file = project::File::from_dyn(buffer.file())?;
3696 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3697 let worktree_entry = buffer_worktree
3698 .read(cx)
3699 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3700 if worktree_entry.is_ignored {
3701 return None;
3702 }
3703
3704 let language = buffer.language()?;
3705 if let Some(restrict_to_languages) = restrict_to_languages {
3706 if !restrict_to_languages.contains(language) {
3707 return None;
3708 }
3709 }
3710 Some((
3711 excerpt_id,
3712 (
3713 multi_buffer.buffer(buffer.remote_id()).unwrap(),
3714 buffer.version().clone(),
3715 excerpt_visible_range,
3716 ),
3717 ))
3718 })
3719 .collect()
3720 }
3721
3722 pub fn text_layout_details(&self, window: &mut Window) -> TextLayoutDetails {
3723 TextLayoutDetails {
3724 text_system: window.text_system().clone(),
3725 editor_style: self.style.clone().unwrap(),
3726 rem_size: window.rem_size(),
3727 scroll_anchor: self.scroll_manager.anchor(),
3728 visible_rows: self.visible_line_count(),
3729 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3730 }
3731 }
3732
3733 pub fn splice_inlays(
3734 &self,
3735 to_remove: Vec<InlayId>,
3736 to_insert: Vec<Inlay>,
3737 cx: &mut Context<Self>,
3738 ) {
3739 self.display_map.update(cx, |display_map, cx| {
3740 display_map.splice_inlays(to_remove, to_insert, cx)
3741 });
3742 cx.notify();
3743 }
3744
3745 fn trigger_on_type_formatting(
3746 &self,
3747 input: String,
3748 window: &mut Window,
3749 cx: &mut Context<Self>,
3750 ) -> Option<Task<Result<()>>> {
3751 if input.len() != 1 {
3752 return None;
3753 }
3754
3755 let project = self.project.as_ref()?;
3756 let position = self.selections.newest_anchor().head();
3757 let (buffer, buffer_position) = self
3758 .buffer
3759 .read(cx)
3760 .text_anchor_for_position(position, cx)?;
3761
3762 let settings = language_settings::language_settings(
3763 buffer
3764 .read(cx)
3765 .language_at(buffer_position)
3766 .map(|l| l.name()),
3767 buffer.read(cx).file(),
3768 cx,
3769 );
3770 if !settings.use_on_type_format {
3771 return None;
3772 }
3773
3774 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3775 // hence we do LSP request & edit on host side only — add formats to host's history.
3776 let push_to_lsp_host_history = true;
3777 // If this is not the host, append its history with new edits.
3778 let push_to_client_history = project.read(cx).is_via_collab();
3779
3780 let on_type_formatting = project.update(cx, |project, cx| {
3781 project.on_type_format(
3782 buffer.clone(),
3783 buffer_position,
3784 input,
3785 push_to_lsp_host_history,
3786 cx,
3787 )
3788 });
3789 Some(cx.spawn_in(window, |editor, mut cx| async move {
3790 if let Some(transaction) = on_type_formatting.await? {
3791 if push_to_client_history {
3792 buffer
3793 .update(&mut cx, |buffer, _| {
3794 buffer.push_transaction(transaction, Instant::now());
3795 })
3796 .ok();
3797 }
3798 editor.update(&mut cx, |editor, cx| {
3799 editor.refresh_document_highlights(cx);
3800 })?;
3801 }
3802 Ok(())
3803 }))
3804 }
3805
3806 pub fn show_completions(
3807 &mut self,
3808 options: &ShowCompletions,
3809 window: &mut Window,
3810 cx: &mut Context<Self>,
3811 ) {
3812 if self.pending_rename.is_some() {
3813 return;
3814 }
3815
3816 let Some(provider) = self.completion_provider.as_ref() else {
3817 return;
3818 };
3819
3820 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3821 return;
3822 }
3823
3824 let position = self.selections.newest_anchor().head();
3825 if position.diff_base_anchor.is_some() {
3826 return;
3827 }
3828 let (buffer, buffer_position) =
3829 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3830 output
3831 } else {
3832 return;
3833 };
3834 let show_completion_documentation = buffer
3835 .read(cx)
3836 .snapshot()
3837 .settings_at(buffer_position, cx)
3838 .show_completion_documentation;
3839
3840 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3841
3842 let trigger_kind = match &options.trigger {
3843 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3844 CompletionTriggerKind::TRIGGER_CHARACTER
3845 }
3846 _ => CompletionTriggerKind::INVOKED,
3847 };
3848 let completion_context = CompletionContext {
3849 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3850 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3851 Some(String::from(trigger))
3852 } else {
3853 None
3854 }
3855 }),
3856 trigger_kind,
3857 };
3858 let completions =
3859 provider.completions(&buffer, buffer_position, completion_context, window, cx);
3860 let sort_completions = provider.sort_completions();
3861
3862 let id = post_inc(&mut self.next_completion_id);
3863 let task = cx.spawn_in(window, |editor, mut cx| {
3864 async move {
3865 editor.update(&mut cx, |this, _| {
3866 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3867 })?;
3868 let completions = completions.await.log_err();
3869 let menu = if let Some(completions) = completions {
3870 let mut menu = CompletionsMenu::new(
3871 id,
3872 sort_completions,
3873 show_completion_documentation,
3874 position,
3875 buffer.clone(),
3876 completions.into(),
3877 );
3878
3879 menu.filter(query.as_deref(), cx.background_executor().clone())
3880 .await;
3881
3882 menu.visible().then_some(menu)
3883 } else {
3884 None
3885 };
3886
3887 editor.update_in(&mut cx, |editor, window, cx| {
3888 match editor.context_menu.borrow().as_ref() {
3889 None => {}
3890 Some(CodeContextMenu::Completions(prev_menu)) => {
3891 if prev_menu.id > id {
3892 return;
3893 }
3894 }
3895 _ => return,
3896 }
3897
3898 if editor.focus_handle.is_focused(window) && menu.is_some() {
3899 let mut menu = menu.unwrap();
3900 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3901
3902 if editor.show_inline_completions_in_menu(cx) {
3903 if let Some(hint) = editor.inline_completion_menu_hint(window, cx) {
3904 menu.show_inline_completion_hint(hint);
3905 }
3906 } else {
3907 editor.discard_inline_completion(false, cx);
3908 }
3909
3910 *editor.context_menu.borrow_mut() =
3911 Some(CodeContextMenu::Completions(menu));
3912
3913 cx.notify();
3914 } else if editor.completion_tasks.len() <= 1 {
3915 // If there are no more completion tasks and the last menu was
3916 // empty, we should hide it.
3917 let was_hidden = editor.hide_context_menu(window, cx).is_none();
3918 // If it was already hidden and we don't show inline
3919 // completions in the menu, we should also show the
3920 // inline-completion when available.
3921 if was_hidden && editor.show_inline_completions_in_menu(cx) {
3922 editor.update_visible_inline_completion(window, cx);
3923 }
3924 }
3925 })?;
3926
3927 Ok::<_, anyhow::Error>(())
3928 }
3929 .log_err()
3930 });
3931
3932 self.completion_tasks.push((id, task));
3933 }
3934
3935 pub fn confirm_completion(
3936 &mut self,
3937 action: &ConfirmCompletion,
3938 window: &mut Window,
3939 cx: &mut Context<Self>,
3940 ) -> Option<Task<Result<()>>> {
3941 self.do_completion(action.item_ix, CompletionIntent::Complete, window, cx)
3942 }
3943
3944 pub fn compose_completion(
3945 &mut self,
3946 action: &ComposeCompletion,
3947 window: &mut Window,
3948 cx: &mut Context<Self>,
3949 ) -> Option<Task<Result<()>>> {
3950 self.do_completion(action.item_ix, CompletionIntent::Compose, window, cx)
3951 }
3952
3953 fn toggle_zed_predict_onboarding(&mut self, window: &mut Window, cx: &mut Context<Self>) {
3954 let (Some(workspace), Some(project)) = (self.workspace(), self.project.as_ref()) else {
3955 return;
3956 };
3957
3958 let project = project.read(cx);
3959
3960 ZedPredictModal::toggle(
3961 workspace,
3962 project.user_store().clone(),
3963 project.client().clone(),
3964 project.fs().clone(),
3965 window,
3966 cx,
3967 );
3968 }
3969
3970 fn do_completion(
3971 &mut self,
3972 item_ix: Option<usize>,
3973 intent: CompletionIntent,
3974 window: &mut Window,
3975 cx: &mut Context<Editor>,
3976 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3977 use language::ToOffset as _;
3978
3979 {
3980 let context_menu = self.context_menu.borrow();
3981 if let CodeContextMenu::Completions(menu) = context_menu.as_ref()? {
3982 let entries = menu.entries.borrow();
3983 let entry = entries.get(item_ix.unwrap_or(menu.selected_item));
3984 match entry {
3985 Some(CompletionEntry::InlineCompletionHint(
3986 InlineCompletionMenuHint::Loading,
3987 )) => return Some(Task::ready(Ok(()))),
3988 Some(CompletionEntry::InlineCompletionHint(InlineCompletionMenuHint::None)) => {
3989 drop(entries);
3990 drop(context_menu);
3991 self.context_menu_next(&Default::default(), window, cx);
3992 return Some(Task::ready(Ok(())));
3993 }
3994 Some(CompletionEntry::InlineCompletionHint(
3995 InlineCompletionMenuHint::PendingTermsAcceptance,
3996 )) => {
3997 drop(entries);
3998 drop(context_menu);
3999 self.toggle_zed_predict_onboarding(window, cx);
4000 return Some(Task::ready(Ok(())));
4001 }
4002 _ => {}
4003 }
4004 }
4005 }
4006
4007 let completions_menu =
4008 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(window, cx)? {
4009 menu
4010 } else {
4011 return None;
4012 };
4013
4014 let entries = completions_menu.entries.borrow();
4015 let mat = entries.get(item_ix.unwrap_or(completions_menu.selected_item))?;
4016 let mat = match mat {
4017 CompletionEntry::InlineCompletionHint(_) => {
4018 self.accept_inline_completion(&AcceptInlineCompletion, window, cx);
4019 cx.stop_propagation();
4020 return Some(Task::ready(Ok(())));
4021 }
4022 CompletionEntry::Match(mat) => {
4023 if self.show_inline_completions_in_menu(cx) {
4024 self.discard_inline_completion(true, cx);
4025 }
4026 mat
4027 }
4028 };
4029 let candidate_id = mat.candidate_id;
4030 drop(entries);
4031
4032 let buffer_handle = completions_menu.buffer;
4033 let completion = completions_menu
4034 .completions
4035 .borrow()
4036 .get(candidate_id)?
4037 .clone();
4038 cx.stop_propagation();
4039
4040 let snippet;
4041 let text;
4042
4043 if completion.is_snippet() {
4044 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4045 text = snippet.as_ref().unwrap().text.clone();
4046 } else {
4047 snippet = None;
4048 text = completion.new_text.clone();
4049 };
4050 let selections = self.selections.all::<usize>(cx);
4051 let buffer = buffer_handle.read(cx);
4052 let old_range = completion.old_range.to_offset(buffer);
4053 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4054
4055 let newest_selection = self.selections.newest_anchor();
4056 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4057 return None;
4058 }
4059
4060 let lookbehind = newest_selection
4061 .start
4062 .text_anchor
4063 .to_offset(buffer)
4064 .saturating_sub(old_range.start);
4065 let lookahead = old_range
4066 .end
4067 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4068 let mut common_prefix_len = old_text
4069 .bytes()
4070 .zip(text.bytes())
4071 .take_while(|(a, b)| a == b)
4072 .count();
4073
4074 let snapshot = self.buffer.read(cx).snapshot(cx);
4075 let mut range_to_replace: Option<Range<isize>> = None;
4076 let mut ranges = Vec::new();
4077 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4078 for selection in &selections {
4079 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4080 let start = selection.start.saturating_sub(lookbehind);
4081 let end = selection.end + lookahead;
4082 if selection.id == newest_selection.id {
4083 range_to_replace = Some(
4084 ((start + common_prefix_len) as isize - selection.start as isize)
4085 ..(end as isize - selection.start as isize),
4086 );
4087 }
4088 ranges.push(start + common_prefix_len..end);
4089 } else {
4090 common_prefix_len = 0;
4091 ranges.clear();
4092 ranges.extend(selections.iter().map(|s| {
4093 if s.id == newest_selection.id {
4094 range_to_replace = Some(
4095 old_range.start.to_offset_utf16(&snapshot).0 as isize
4096 - selection.start as isize
4097 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4098 - selection.start as isize,
4099 );
4100 old_range.clone()
4101 } else {
4102 s.start..s.end
4103 }
4104 }));
4105 break;
4106 }
4107 if !self.linked_edit_ranges.is_empty() {
4108 let start_anchor = snapshot.anchor_before(selection.head());
4109 let end_anchor = snapshot.anchor_after(selection.tail());
4110 if let Some(ranges) = self
4111 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4112 {
4113 for (buffer, edits) in ranges {
4114 linked_edits.entry(buffer.clone()).or_default().extend(
4115 edits
4116 .into_iter()
4117 .map(|range| (range, text[common_prefix_len..].to_owned())),
4118 );
4119 }
4120 }
4121 }
4122 }
4123 let text = &text[common_prefix_len..];
4124
4125 cx.emit(EditorEvent::InputHandled {
4126 utf16_range_to_replace: range_to_replace,
4127 text: text.into(),
4128 });
4129
4130 self.transact(window, cx, |this, window, cx| {
4131 if let Some(mut snippet) = snippet {
4132 snippet.text = text.to_string();
4133 for tabstop in snippet
4134 .tabstops
4135 .iter_mut()
4136 .flat_map(|tabstop| tabstop.ranges.iter_mut())
4137 {
4138 tabstop.start -= common_prefix_len as isize;
4139 tabstop.end -= common_prefix_len as isize;
4140 }
4141
4142 this.insert_snippet(&ranges, snippet, window, cx).log_err();
4143 } else {
4144 this.buffer.update(cx, |buffer, cx| {
4145 buffer.edit(
4146 ranges.iter().map(|range| (range.clone(), text)),
4147 this.autoindent_mode.clone(),
4148 cx,
4149 );
4150 });
4151 }
4152 for (buffer, edits) in linked_edits {
4153 buffer.update(cx, |buffer, cx| {
4154 let snapshot = buffer.snapshot();
4155 let edits = edits
4156 .into_iter()
4157 .map(|(range, text)| {
4158 use text::ToPoint as TP;
4159 let end_point = TP::to_point(&range.end, &snapshot);
4160 let start_point = TP::to_point(&range.start, &snapshot);
4161 (start_point..end_point, text)
4162 })
4163 .sorted_by_key(|(range, _)| range.start)
4164 .collect::<Vec<_>>();
4165 buffer.edit(edits, None, cx);
4166 })
4167 }
4168
4169 this.refresh_inline_completion(true, false, window, cx);
4170 });
4171
4172 let show_new_completions_on_confirm = completion
4173 .confirm
4174 .as_ref()
4175 .map_or(false, |confirm| confirm(intent, window, cx));
4176 if show_new_completions_on_confirm {
4177 self.show_completions(&ShowCompletions { trigger: None }, window, cx);
4178 }
4179
4180 let provider = self.completion_provider.as_ref()?;
4181 drop(completion);
4182 let apply_edits = provider.apply_additional_edits_for_completion(
4183 buffer_handle,
4184 completions_menu.completions.clone(),
4185 candidate_id,
4186 true,
4187 cx,
4188 );
4189
4190 let editor_settings = EditorSettings::get_global(cx);
4191 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
4192 // After the code completion is finished, users often want to know what signatures are needed.
4193 // so we should automatically call signature_help
4194 self.show_signature_help(&ShowSignatureHelp, window, cx);
4195 }
4196
4197 Some(cx.foreground_executor().spawn(async move {
4198 apply_edits.await?;
4199 Ok(())
4200 }))
4201 }
4202
4203 pub fn toggle_code_actions(
4204 &mut self,
4205 action: &ToggleCodeActions,
4206 window: &mut Window,
4207 cx: &mut Context<Self>,
4208 ) {
4209 let mut context_menu = self.context_menu.borrow_mut();
4210 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4211 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4212 // Toggle if we're selecting the same one
4213 *context_menu = None;
4214 cx.notify();
4215 return;
4216 } else {
4217 // Otherwise, clear it and start a new one
4218 *context_menu = None;
4219 cx.notify();
4220 }
4221 }
4222 drop(context_menu);
4223 let snapshot = self.snapshot(window, cx);
4224 let deployed_from_indicator = action.deployed_from_indicator;
4225 let mut task = self.code_actions_task.take();
4226 let action = action.clone();
4227 cx.spawn_in(window, |editor, mut cx| async move {
4228 while let Some(prev_task) = task {
4229 prev_task.await.log_err();
4230 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4231 }
4232
4233 let spawned_test_task = editor.update_in(&mut cx, |editor, window, cx| {
4234 if editor.focus_handle.is_focused(window) {
4235 let multibuffer_point = action
4236 .deployed_from_indicator
4237 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4238 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4239 let (buffer, buffer_row) = snapshot
4240 .buffer_snapshot
4241 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4242 .and_then(|(buffer_snapshot, range)| {
4243 editor
4244 .buffer
4245 .read(cx)
4246 .buffer(buffer_snapshot.remote_id())
4247 .map(|buffer| (buffer, range.start.row))
4248 })?;
4249 let (_, code_actions) = editor
4250 .available_code_actions
4251 .clone()
4252 .and_then(|(location, code_actions)| {
4253 let snapshot = location.buffer.read(cx).snapshot();
4254 let point_range = location.range.to_point(&snapshot);
4255 let point_range = point_range.start.row..=point_range.end.row;
4256 if point_range.contains(&buffer_row) {
4257 Some((location, code_actions))
4258 } else {
4259 None
4260 }
4261 })
4262 .unzip();
4263 let buffer_id = buffer.read(cx).remote_id();
4264 let tasks = editor
4265 .tasks
4266 .get(&(buffer_id, buffer_row))
4267 .map(|t| Arc::new(t.to_owned()));
4268 if tasks.is_none() && code_actions.is_none() {
4269 return None;
4270 }
4271
4272 editor.completion_tasks.clear();
4273 editor.discard_inline_completion(false, cx);
4274 let task_context =
4275 tasks
4276 .as_ref()
4277 .zip(editor.project.clone())
4278 .map(|(tasks, project)| {
4279 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4280 });
4281
4282 Some(cx.spawn_in(window, |editor, mut cx| async move {
4283 let task_context = match task_context {
4284 Some(task_context) => task_context.await,
4285 None => None,
4286 };
4287 let resolved_tasks =
4288 tasks.zip(task_context).map(|(tasks, task_context)| {
4289 Rc::new(ResolvedTasks {
4290 templates: tasks.resolve(&task_context).collect(),
4291 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4292 multibuffer_point.row,
4293 tasks.column,
4294 )),
4295 })
4296 });
4297 let spawn_straight_away = resolved_tasks
4298 .as_ref()
4299 .map_or(false, |tasks| tasks.templates.len() == 1)
4300 && code_actions
4301 .as_ref()
4302 .map_or(true, |actions| actions.is_empty());
4303 if let Ok(task) = editor.update_in(&mut cx, |editor, window, cx| {
4304 *editor.context_menu.borrow_mut() =
4305 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4306 buffer,
4307 actions: CodeActionContents {
4308 tasks: resolved_tasks,
4309 actions: code_actions,
4310 },
4311 selected_item: Default::default(),
4312 scroll_handle: UniformListScrollHandle::default(),
4313 deployed_from_indicator,
4314 }));
4315 if spawn_straight_away {
4316 if let Some(task) = editor.confirm_code_action(
4317 &ConfirmCodeAction { item_ix: Some(0) },
4318 window,
4319 cx,
4320 ) {
4321 cx.notify();
4322 return task;
4323 }
4324 }
4325 cx.notify();
4326 Task::ready(Ok(()))
4327 }) {
4328 task.await
4329 } else {
4330 Ok(())
4331 }
4332 }))
4333 } else {
4334 Some(Task::ready(Ok(())))
4335 }
4336 })?;
4337 if let Some(task) = spawned_test_task {
4338 task.await?;
4339 }
4340
4341 Ok::<_, anyhow::Error>(())
4342 })
4343 .detach_and_log_err(cx);
4344 }
4345
4346 pub fn confirm_code_action(
4347 &mut self,
4348 action: &ConfirmCodeAction,
4349 window: &mut Window,
4350 cx: &mut Context<Self>,
4351 ) -> Option<Task<Result<()>>> {
4352 let actions_menu =
4353 if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(window, cx)? {
4354 menu
4355 } else {
4356 return None;
4357 };
4358 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4359 let action = actions_menu.actions.get(action_ix)?;
4360 let title = action.label();
4361 let buffer = actions_menu.buffer;
4362 let workspace = self.workspace()?;
4363
4364 match action {
4365 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4366 workspace.update(cx, |workspace, cx| {
4367 workspace::tasks::schedule_resolved_task(
4368 workspace,
4369 task_source_kind,
4370 resolved_task,
4371 false,
4372 cx,
4373 );
4374
4375 Some(Task::ready(Ok(())))
4376 })
4377 }
4378 CodeActionsItem::CodeAction {
4379 excerpt_id,
4380 action,
4381 provider,
4382 } => {
4383 let apply_code_action =
4384 provider.apply_code_action(buffer, action, excerpt_id, true, window, cx);
4385 let workspace = workspace.downgrade();
4386 Some(cx.spawn_in(window, |editor, cx| async move {
4387 let project_transaction = apply_code_action.await?;
4388 Self::open_project_transaction(
4389 &editor,
4390 workspace,
4391 project_transaction,
4392 title,
4393 cx,
4394 )
4395 .await
4396 }))
4397 }
4398 }
4399 }
4400
4401 pub async fn open_project_transaction(
4402 this: &WeakEntity<Editor>,
4403 workspace: WeakEntity<Workspace>,
4404 transaction: ProjectTransaction,
4405 title: String,
4406 mut cx: AsyncWindowContext,
4407 ) -> Result<()> {
4408 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4409 cx.update(|_, cx| {
4410 entries.sort_unstable_by_key(|(buffer, _)| {
4411 buffer.read(cx).file().map(|f| f.path().clone())
4412 });
4413 })?;
4414
4415 // If the project transaction's edits are all contained within this editor, then
4416 // avoid opening a new editor to display them.
4417
4418 if let Some((buffer, transaction)) = entries.first() {
4419 if entries.len() == 1 {
4420 let excerpt = this.update(&mut cx, |editor, cx| {
4421 editor
4422 .buffer()
4423 .read(cx)
4424 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4425 })?;
4426 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4427 if excerpted_buffer == *buffer {
4428 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4429 let excerpt_range = excerpt_range.to_offset(buffer);
4430 buffer
4431 .edited_ranges_for_transaction::<usize>(transaction)
4432 .all(|range| {
4433 excerpt_range.start <= range.start
4434 && excerpt_range.end >= range.end
4435 })
4436 })?;
4437
4438 if all_edits_within_excerpt {
4439 return Ok(());
4440 }
4441 }
4442 }
4443 }
4444 } else {
4445 return Ok(());
4446 }
4447
4448 let mut ranges_to_highlight = Vec::new();
4449 let excerpt_buffer = cx.new(|cx| {
4450 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4451 for (buffer_handle, transaction) in &entries {
4452 let buffer = buffer_handle.read(cx);
4453 ranges_to_highlight.extend(
4454 multibuffer.push_excerpts_with_context_lines(
4455 buffer_handle.clone(),
4456 buffer
4457 .edited_ranges_for_transaction::<usize>(transaction)
4458 .collect(),
4459 DEFAULT_MULTIBUFFER_CONTEXT,
4460 cx,
4461 ),
4462 );
4463 }
4464 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4465 multibuffer
4466 })?;
4467
4468 workspace.update_in(&mut cx, |workspace, window, cx| {
4469 let project = workspace.project().clone();
4470 let editor = cx
4471 .new(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, window, cx));
4472 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, window, cx);
4473 editor.update(cx, |editor, cx| {
4474 editor.highlight_background::<Self>(
4475 &ranges_to_highlight,
4476 |theme| theme.editor_highlighted_line_background,
4477 cx,
4478 );
4479 });
4480 })?;
4481
4482 Ok(())
4483 }
4484
4485 pub fn clear_code_action_providers(&mut self) {
4486 self.code_action_providers.clear();
4487 self.available_code_actions.take();
4488 }
4489
4490 pub fn add_code_action_provider(
4491 &mut self,
4492 provider: Rc<dyn CodeActionProvider>,
4493 window: &mut Window,
4494 cx: &mut Context<Self>,
4495 ) {
4496 if self
4497 .code_action_providers
4498 .iter()
4499 .any(|existing_provider| existing_provider.id() == provider.id())
4500 {
4501 return;
4502 }
4503
4504 self.code_action_providers.push(provider);
4505 self.refresh_code_actions(window, cx);
4506 }
4507
4508 pub fn remove_code_action_provider(
4509 &mut self,
4510 id: Arc<str>,
4511 window: &mut Window,
4512 cx: &mut Context<Self>,
4513 ) {
4514 self.code_action_providers
4515 .retain(|provider| provider.id() != id);
4516 self.refresh_code_actions(window, cx);
4517 }
4518
4519 fn refresh_code_actions(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<()> {
4520 let buffer = self.buffer.read(cx);
4521 let newest_selection = self.selections.newest_anchor().clone();
4522 if newest_selection.head().diff_base_anchor.is_some() {
4523 return None;
4524 }
4525 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4526 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4527 if start_buffer != end_buffer {
4528 return None;
4529 }
4530
4531 self.code_actions_task = Some(cx.spawn_in(window, |this, mut cx| async move {
4532 cx.background_executor()
4533 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4534 .await;
4535
4536 let (providers, tasks) = this.update_in(&mut cx, |this, window, cx| {
4537 let providers = this.code_action_providers.clone();
4538 let tasks = this
4539 .code_action_providers
4540 .iter()
4541 .map(|provider| provider.code_actions(&start_buffer, start..end, window, cx))
4542 .collect::<Vec<_>>();
4543 (providers, tasks)
4544 })?;
4545
4546 let mut actions = Vec::new();
4547 for (provider, provider_actions) in
4548 providers.into_iter().zip(future::join_all(tasks).await)
4549 {
4550 if let Some(provider_actions) = provider_actions.log_err() {
4551 actions.extend(provider_actions.into_iter().map(|action| {
4552 AvailableCodeAction {
4553 excerpt_id: newest_selection.start.excerpt_id,
4554 action,
4555 provider: provider.clone(),
4556 }
4557 }));
4558 }
4559 }
4560
4561 this.update(&mut cx, |this, cx| {
4562 this.available_code_actions = if actions.is_empty() {
4563 None
4564 } else {
4565 Some((
4566 Location {
4567 buffer: start_buffer,
4568 range: start..end,
4569 },
4570 actions.into(),
4571 ))
4572 };
4573 cx.notify();
4574 })
4575 }));
4576 None
4577 }
4578
4579 fn start_inline_blame_timer(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4580 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4581 self.show_git_blame_inline = false;
4582
4583 self.show_git_blame_inline_delay_task =
4584 Some(cx.spawn_in(window, |this, mut cx| async move {
4585 cx.background_executor().timer(delay).await;
4586
4587 this.update(&mut cx, |this, cx| {
4588 this.show_git_blame_inline = true;
4589 cx.notify();
4590 })
4591 .log_err();
4592 }));
4593 }
4594 }
4595
4596 fn refresh_document_highlights(&mut self, cx: &mut Context<Self>) -> Option<()> {
4597 if self.pending_rename.is_some() {
4598 return None;
4599 }
4600
4601 let provider = self.semantics_provider.clone()?;
4602 let buffer = self.buffer.read(cx);
4603 let newest_selection = self.selections.newest_anchor().clone();
4604 let cursor_position = newest_selection.head();
4605 let (cursor_buffer, cursor_buffer_position) =
4606 buffer.text_anchor_for_position(cursor_position, cx)?;
4607 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4608 if cursor_buffer != tail_buffer {
4609 return None;
4610 }
4611 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4612 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4613 cx.background_executor()
4614 .timer(Duration::from_millis(debounce))
4615 .await;
4616
4617 let highlights = if let Some(highlights) = cx
4618 .update(|cx| {
4619 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4620 })
4621 .ok()
4622 .flatten()
4623 {
4624 highlights.await.log_err()
4625 } else {
4626 None
4627 };
4628
4629 if let Some(highlights) = highlights {
4630 this.update(&mut cx, |this, cx| {
4631 if this.pending_rename.is_some() {
4632 return;
4633 }
4634
4635 let buffer_id = cursor_position.buffer_id;
4636 let buffer = this.buffer.read(cx);
4637 if !buffer
4638 .text_anchor_for_position(cursor_position, cx)
4639 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4640 {
4641 return;
4642 }
4643
4644 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4645 let mut write_ranges = Vec::new();
4646 let mut read_ranges = Vec::new();
4647 for highlight in highlights {
4648 for (excerpt_id, excerpt_range) in
4649 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4650 {
4651 let start = highlight
4652 .range
4653 .start
4654 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4655 let end = highlight
4656 .range
4657 .end
4658 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4659 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4660 continue;
4661 }
4662
4663 let range = Anchor {
4664 buffer_id,
4665 excerpt_id,
4666 text_anchor: start,
4667 diff_base_anchor: None,
4668 }..Anchor {
4669 buffer_id,
4670 excerpt_id,
4671 text_anchor: end,
4672 diff_base_anchor: None,
4673 };
4674 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4675 write_ranges.push(range);
4676 } else {
4677 read_ranges.push(range);
4678 }
4679 }
4680 }
4681
4682 this.highlight_background::<DocumentHighlightRead>(
4683 &read_ranges,
4684 |theme| theme.editor_document_highlight_read_background,
4685 cx,
4686 );
4687 this.highlight_background::<DocumentHighlightWrite>(
4688 &write_ranges,
4689 |theme| theme.editor_document_highlight_write_background,
4690 cx,
4691 );
4692 cx.notify();
4693 })
4694 .log_err();
4695 }
4696 }));
4697 None
4698 }
4699
4700 pub fn refresh_inline_completion(
4701 &mut self,
4702 debounce: bool,
4703 user_requested: bool,
4704 window: &mut Window,
4705 cx: &mut Context<Self>,
4706 ) -> Option<()> {
4707 let provider = self.inline_completion_provider()?;
4708 let cursor = self.selections.newest_anchor().head();
4709 let (buffer, cursor_buffer_position) =
4710 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4711
4712 if !user_requested
4713 && (!self.enable_inline_completions
4714 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4715 || !self.is_focused(window)
4716 || buffer.read(cx).is_empty())
4717 {
4718 self.discard_inline_completion(false, cx);
4719 return None;
4720 }
4721
4722 self.update_visible_inline_completion(window, cx);
4723 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4724 Some(())
4725 }
4726
4727 fn cycle_inline_completion(
4728 &mut self,
4729 direction: Direction,
4730 window: &mut Window,
4731 cx: &mut Context<Self>,
4732 ) -> Option<()> {
4733 let provider = self.inline_completion_provider()?;
4734 let cursor = self.selections.newest_anchor().head();
4735 let (buffer, cursor_buffer_position) =
4736 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4737 if !self.enable_inline_completions
4738 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4739 {
4740 return None;
4741 }
4742
4743 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4744 self.update_visible_inline_completion(window, cx);
4745
4746 Some(())
4747 }
4748
4749 pub fn show_inline_completion(
4750 &mut self,
4751 _: &ShowInlineCompletion,
4752 window: &mut Window,
4753 cx: &mut Context<Self>,
4754 ) {
4755 if !self.has_active_inline_completion() {
4756 self.refresh_inline_completion(false, true, window, cx);
4757 return;
4758 }
4759
4760 self.update_visible_inline_completion(window, cx);
4761 }
4762
4763 pub fn display_cursor_names(
4764 &mut self,
4765 _: &DisplayCursorNames,
4766 window: &mut Window,
4767 cx: &mut Context<Self>,
4768 ) {
4769 self.show_cursor_names(window, cx);
4770 }
4771
4772 fn show_cursor_names(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4773 self.show_cursor_names = true;
4774 cx.notify();
4775 cx.spawn_in(window, |this, mut cx| async move {
4776 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4777 this.update(&mut cx, |this, cx| {
4778 this.show_cursor_names = false;
4779 cx.notify()
4780 })
4781 .ok()
4782 })
4783 .detach();
4784 }
4785
4786 pub fn next_inline_completion(
4787 &mut self,
4788 _: &NextInlineCompletion,
4789 window: &mut Window,
4790 cx: &mut Context<Self>,
4791 ) {
4792 if self.has_active_inline_completion() {
4793 self.cycle_inline_completion(Direction::Next, window, cx);
4794 } else {
4795 let is_copilot_disabled = self
4796 .refresh_inline_completion(false, true, window, cx)
4797 .is_none();
4798 if is_copilot_disabled {
4799 cx.propagate();
4800 }
4801 }
4802 }
4803
4804 pub fn previous_inline_completion(
4805 &mut self,
4806 _: &PreviousInlineCompletion,
4807 window: &mut Window,
4808 cx: &mut Context<Self>,
4809 ) {
4810 if self.has_active_inline_completion() {
4811 self.cycle_inline_completion(Direction::Prev, window, cx);
4812 } else {
4813 let is_copilot_disabled = self
4814 .refresh_inline_completion(false, true, window, cx)
4815 .is_none();
4816 if is_copilot_disabled {
4817 cx.propagate();
4818 }
4819 }
4820 }
4821
4822 pub fn accept_inline_completion(
4823 &mut self,
4824 _: &AcceptInlineCompletion,
4825 window: &mut Window,
4826 cx: &mut Context<Self>,
4827 ) {
4828 let buffer = self.buffer.read(cx);
4829 let snapshot = buffer.snapshot(cx);
4830 let selection = self.selections.newest_adjusted(cx);
4831 let cursor = selection.head();
4832 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
4833 let suggested_indents = snapshot.suggested_indents([cursor.row], cx);
4834 if let Some(suggested_indent) = suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
4835 {
4836 if cursor.column < suggested_indent.len
4837 && cursor.column <= current_indent.len
4838 && current_indent.len <= suggested_indent.len
4839 {
4840 self.tab(&Default::default(), window, cx);
4841 return;
4842 }
4843 }
4844
4845 if self.show_inline_completions_in_menu(cx) {
4846 self.hide_context_menu(window, cx);
4847 }
4848
4849 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4850 return;
4851 };
4852
4853 self.report_inline_completion_event(true, cx);
4854
4855 match &active_inline_completion.completion {
4856 InlineCompletion::Move(position) => {
4857 let position = *position;
4858 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4859 selections.select_anchor_ranges([position..position]);
4860 });
4861 }
4862 InlineCompletion::Edit { edits, .. } => {
4863 if let Some(provider) = self.inline_completion_provider() {
4864 provider.accept(cx);
4865 }
4866
4867 let snapshot = self.buffer.read(cx).snapshot(cx);
4868 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4869
4870 self.buffer.update(cx, |buffer, cx| {
4871 buffer.edit(edits.iter().cloned(), None, cx)
4872 });
4873
4874 self.change_selections(None, window, cx, |s| {
4875 s.select_anchor_ranges([last_edit_end..last_edit_end])
4876 });
4877
4878 self.update_visible_inline_completion(window, cx);
4879 if self.active_inline_completion.is_none() {
4880 self.refresh_inline_completion(true, true, window, cx);
4881 }
4882
4883 cx.notify();
4884 }
4885 }
4886 }
4887
4888 pub fn accept_partial_inline_completion(
4889 &mut self,
4890 _: &AcceptPartialInlineCompletion,
4891 window: &mut Window,
4892 cx: &mut Context<Self>,
4893 ) {
4894 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4895 return;
4896 };
4897 if self.selections.count() != 1 {
4898 return;
4899 }
4900
4901 self.report_inline_completion_event(true, cx);
4902
4903 match &active_inline_completion.completion {
4904 InlineCompletion::Move(position) => {
4905 let position = *position;
4906 self.change_selections(Some(Autoscroll::newest()), window, cx, |selections| {
4907 selections.select_anchor_ranges([position..position]);
4908 });
4909 }
4910 InlineCompletion::Edit { edits, .. } => {
4911 // Find an insertion that starts at the cursor position.
4912 let snapshot = self.buffer.read(cx).snapshot(cx);
4913 let cursor_offset = self.selections.newest::<usize>(cx).head();
4914 let insertion = edits.iter().find_map(|(range, text)| {
4915 let range = range.to_offset(&snapshot);
4916 if range.is_empty() && range.start == cursor_offset {
4917 Some(text)
4918 } else {
4919 None
4920 }
4921 });
4922
4923 if let Some(text) = insertion {
4924 let mut partial_completion = text
4925 .chars()
4926 .by_ref()
4927 .take_while(|c| c.is_alphabetic())
4928 .collect::<String>();
4929 if partial_completion.is_empty() {
4930 partial_completion = text
4931 .chars()
4932 .by_ref()
4933 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4934 .collect::<String>();
4935 }
4936
4937 cx.emit(EditorEvent::InputHandled {
4938 utf16_range_to_replace: None,
4939 text: partial_completion.clone().into(),
4940 });
4941
4942 self.insert_with_autoindent_mode(&partial_completion, None, window, cx);
4943
4944 self.refresh_inline_completion(true, true, window, cx);
4945 cx.notify();
4946 } else {
4947 self.accept_inline_completion(&Default::default(), window, cx);
4948 }
4949 }
4950 }
4951 }
4952
4953 fn discard_inline_completion(
4954 &mut self,
4955 should_report_inline_completion_event: bool,
4956 cx: &mut Context<Self>,
4957 ) -> bool {
4958 if should_report_inline_completion_event {
4959 self.report_inline_completion_event(false, cx);
4960 }
4961
4962 if let Some(provider) = self.inline_completion_provider() {
4963 provider.discard(cx);
4964 }
4965
4966 self.take_active_inline_completion(cx).is_some()
4967 }
4968
4969 fn report_inline_completion_event(&self, accepted: bool, cx: &App) {
4970 let Some(provider) = self.inline_completion_provider() else {
4971 return;
4972 };
4973
4974 let Some((_, buffer, _)) = self
4975 .buffer
4976 .read(cx)
4977 .excerpt_containing(self.selections.newest_anchor().head(), cx)
4978 else {
4979 return;
4980 };
4981
4982 let extension = buffer
4983 .read(cx)
4984 .file()
4985 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
4986
4987 let event_type = match accepted {
4988 true => "Inline Completion Accepted",
4989 false => "Inline Completion Discarded",
4990 };
4991 telemetry::event!(
4992 event_type,
4993 provider = provider.name(),
4994 suggestion_accepted = accepted,
4995 file_extension = extension,
4996 );
4997 }
4998
4999 pub fn has_active_inline_completion(&self) -> bool {
5000 self.active_inline_completion.is_some()
5001 }
5002
5003 fn take_active_inline_completion(
5004 &mut self,
5005 cx: &mut Context<Self>,
5006 ) -> Option<InlineCompletion> {
5007 let active_inline_completion = self.active_inline_completion.take()?;
5008 self.splice_inlays(active_inline_completion.inlay_ids, Default::default(), cx);
5009 self.clear_highlights::<InlineCompletionHighlight>(cx);
5010 Some(active_inline_completion.completion)
5011 }
5012
5013 fn update_visible_inline_completion(
5014 &mut self,
5015 window: &mut Window,
5016 cx: &mut Context<Self>,
5017 ) -> Option<()> {
5018 let selection = self.selections.newest_anchor();
5019 let cursor = selection.head();
5020 let multibuffer = self.buffer.read(cx).snapshot(cx);
5021 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
5022 let excerpt_id = cursor.excerpt_id;
5023
5024 let completions_menu_has_precedence = !self.show_inline_completions_in_menu(cx)
5025 && (self.context_menu.borrow().is_some()
5026 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
5027 if completions_menu_has_precedence
5028 || !offset_selection.is_empty()
5029 || !self.enable_inline_completions
5030 || self
5031 .active_inline_completion
5032 .as_ref()
5033 .map_or(false, |completion| {
5034 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
5035 let invalidation_range = invalidation_range.start..=invalidation_range.end;
5036 !invalidation_range.contains(&offset_selection.head())
5037 })
5038 {
5039 self.discard_inline_completion(false, cx);
5040 return None;
5041 }
5042
5043 self.take_active_inline_completion(cx);
5044 let provider = self.inline_completion_provider()?;
5045
5046 let (buffer, cursor_buffer_position) =
5047 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
5048
5049 let inline_completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
5050 let edits = inline_completion
5051 .edits
5052 .into_iter()
5053 .flat_map(|(range, new_text)| {
5054 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
5055 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
5056 Some((start..end, new_text))
5057 })
5058 .collect::<Vec<_>>();
5059 if edits.is_empty() {
5060 return None;
5061 }
5062
5063 let first_edit_start = edits.first().unwrap().0.start;
5064 let first_edit_start_point = first_edit_start.to_point(&multibuffer);
5065 let edit_start_row = first_edit_start_point.row.saturating_sub(2);
5066
5067 let last_edit_end = edits.last().unwrap().0.end;
5068 let last_edit_end_point = last_edit_end.to_point(&multibuffer);
5069 let edit_end_row = cmp::min(multibuffer.max_point().row, last_edit_end_point.row + 2);
5070
5071 let cursor_row = cursor.to_point(&multibuffer).row;
5072
5073 let mut inlay_ids = Vec::new();
5074 let invalidation_row_range;
5075 let completion = if cursor_row < edit_start_row {
5076 invalidation_row_range = cursor_row..edit_end_row;
5077 InlineCompletion::Move(first_edit_start)
5078 } else if cursor_row > edit_end_row {
5079 invalidation_row_range = edit_start_row..cursor_row;
5080 InlineCompletion::Move(first_edit_start)
5081 } else {
5082 if edits
5083 .iter()
5084 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
5085 {
5086 let mut inlays = Vec::new();
5087 for (range, new_text) in &edits {
5088 let inlay = Inlay::inline_completion(
5089 post_inc(&mut self.next_inlay_id),
5090 range.start,
5091 new_text.as_str(),
5092 );
5093 inlay_ids.push(inlay.id);
5094 inlays.push(inlay);
5095 }
5096
5097 self.splice_inlays(vec![], inlays, cx);
5098 } else {
5099 let background_color = cx.theme().status().deleted_background;
5100 self.highlight_text::<InlineCompletionHighlight>(
5101 edits.iter().map(|(range, _)| range.clone()).collect(),
5102 HighlightStyle {
5103 background_color: Some(background_color),
5104 ..Default::default()
5105 },
5106 cx,
5107 );
5108 }
5109
5110 invalidation_row_range = edit_start_row..edit_end_row;
5111
5112 let display_mode = if all_edits_insertions_or_deletions(&edits, &multibuffer) {
5113 if provider.show_tab_accept_marker()
5114 && first_edit_start_point.row == last_edit_end_point.row
5115 && !edits.iter().any(|(_, edit)| edit.contains('\n'))
5116 {
5117 EditDisplayMode::TabAccept
5118 } else {
5119 EditDisplayMode::Inline
5120 }
5121 } else {
5122 EditDisplayMode::DiffPopover
5123 };
5124
5125 let snapshot = multibuffer.buffer_for_excerpt(excerpt_id).cloned()?;
5126
5127 InlineCompletion::Edit {
5128 edits,
5129 edit_preview: inline_completion.edit_preview,
5130 display_mode,
5131 snapshot,
5132 }
5133 };
5134
5135 let invalidation_range = multibuffer
5136 .anchor_before(Point::new(invalidation_row_range.start, 0))
5137 ..multibuffer.anchor_after(Point::new(
5138 invalidation_row_range.end,
5139 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
5140 ));
5141
5142 self.active_inline_completion = Some(InlineCompletionState {
5143 inlay_ids,
5144 completion,
5145 invalidation_range,
5146 });
5147
5148 if self.show_inline_completions_in_menu(cx) && self.has_active_completions_menu() {
5149 if let Some(hint) = self.inline_completion_menu_hint(window, cx) {
5150 match self.context_menu.borrow_mut().as_mut() {
5151 Some(CodeContextMenu::Completions(menu)) => {
5152 menu.show_inline_completion_hint(hint);
5153 }
5154 _ => {}
5155 }
5156 }
5157 }
5158
5159 cx.notify();
5160
5161 Some(())
5162 }
5163
5164 fn inline_completion_menu_hint(
5165 &self,
5166 window: &mut Window,
5167 cx: &mut Context<Self>,
5168 ) -> Option<InlineCompletionMenuHint> {
5169 let provider = self.inline_completion_provider()?;
5170 if self.has_active_inline_completion() {
5171 let editor_snapshot = self.snapshot(window, cx);
5172
5173 let text = match &self.active_inline_completion.as_ref()?.completion {
5174 InlineCompletion::Edit {
5175 edits,
5176 edit_preview,
5177 display_mode: _,
5178 snapshot,
5179 } => edit_preview
5180 .as_ref()
5181 .and_then(|edit_preview| {
5182 inline_completion_edit_text(&snapshot, &edits, edit_preview, true, cx)
5183 })
5184 .map(InlineCompletionText::Edit),
5185 InlineCompletion::Move(target) => {
5186 let target_point =
5187 target.to_point(&editor_snapshot.display_snapshot.buffer_snapshot);
5188 let target_line = target_point.row + 1;
5189 Some(InlineCompletionText::Move(
5190 format!("Jump to edit in line {}", target_line).into(),
5191 ))
5192 }
5193 };
5194
5195 Some(InlineCompletionMenuHint::Loaded { text: text? })
5196 } else if provider.is_refreshing(cx) {
5197 Some(InlineCompletionMenuHint::Loading)
5198 } else if provider.needs_terms_acceptance(cx) {
5199 Some(InlineCompletionMenuHint::PendingTermsAcceptance)
5200 } else {
5201 Some(InlineCompletionMenuHint::None)
5202 }
5203 }
5204
5205 pub fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
5206 Some(self.inline_completion_provider.as_ref()?.provider.clone())
5207 }
5208
5209 fn show_inline_completions_in_menu(&self, cx: &App) -> bool {
5210 let by_provider = matches!(
5211 self.menu_inline_completions_policy,
5212 MenuInlineCompletionsPolicy::ByProvider
5213 );
5214
5215 by_provider
5216 && EditorSettings::get_global(cx).show_inline_completions_in_menu
5217 && self
5218 .inline_completion_provider()
5219 .map_or(false, |provider| provider.show_completions_in_menu())
5220 }
5221
5222 fn render_code_actions_indicator(
5223 &self,
5224 _style: &EditorStyle,
5225 row: DisplayRow,
5226 is_active: bool,
5227 cx: &mut Context<Self>,
5228 ) -> Option<IconButton> {
5229 if self.available_code_actions.is_some() {
5230 Some(
5231 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
5232 .shape(ui::IconButtonShape::Square)
5233 .icon_size(IconSize::XSmall)
5234 .icon_color(Color::Muted)
5235 .toggle_state(is_active)
5236 .tooltip({
5237 let focus_handle = self.focus_handle.clone();
5238 move |window, cx| {
5239 Tooltip::for_action_in(
5240 "Toggle Code Actions",
5241 &ToggleCodeActions {
5242 deployed_from_indicator: None,
5243 },
5244 &focus_handle,
5245 window,
5246 cx,
5247 )
5248 }
5249 })
5250 .on_click(cx.listener(move |editor, _e, window, cx| {
5251 window.focus(&editor.focus_handle(cx));
5252 editor.toggle_code_actions(
5253 &ToggleCodeActions {
5254 deployed_from_indicator: Some(row),
5255 },
5256 window,
5257 cx,
5258 );
5259 })),
5260 )
5261 } else {
5262 None
5263 }
5264 }
5265
5266 fn clear_tasks(&mut self) {
5267 self.tasks.clear()
5268 }
5269
5270 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
5271 if self.tasks.insert(key, value).is_some() {
5272 // This case should hopefully be rare, but just in case...
5273 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
5274 }
5275 }
5276
5277 fn build_tasks_context(
5278 project: &Entity<Project>,
5279 buffer: &Entity<Buffer>,
5280 buffer_row: u32,
5281 tasks: &Arc<RunnableTasks>,
5282 cx: &mut Context<Self>,
5283 ) -> Task<Option<task::TaskContext>> {
5284 let position = Point::new(buffer_row, tasks.column);
5285 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
5286 let location = Location {
5287 buffer: buffer.clone(),
5288 range: range_start..range_start,
5289 };
5290 // Fill in the environmental variables from the tree-sitter captures
5291 let mut captured_task_variables = TaskVariables::default();
5292 for (capture_name, value) in tasks.extra_variables.clone() {
5293 captured_task_variables.insert(
5294 task::VariableName::Custom(capture_name.into()),
5295 value.clone(),
5296 );
5297 }
5298 project.update(cx, |project, cx| {
5299 project.task_store().update(cx, |task_store, cx| {
5300 task_store.task_context_for_location(captured_task_variables, location, cx)
5301 })
5302 })
5303 }
5304
5305 pub fn spawn_nearest_task(
5306 &mut self,
5307 action: &SpawnNearestTask,
5308 window: &mut Window,
5309 cx: &mut Context<Self>,
5310 ) {
5311 let Some((workspace, _)) = self.workspace.clone() else {
5312 return;
5313 };
5314 let Some(project) = self.project.clone() else {
5315 return;
5316 };
5317
5318 // Try to find a closest, enclosing node using tree-sitter that has a
5319 // task
5320 let Some((buffer, buffer_row, tasks)) = self
5321 .find_enclosing_node_task(cx)
5322 // Or find the task that's closest in row-distance.
5323 .or_else(|| self.find_closest_task(cx))
5324 else {
5325 return;
5326 };
5327
5328 let reveal_strategy = action.reveal;
5329 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
5330 cx.spawn_in(window, |_, mut cx| async move {
5331 let context = task_context.await?;
5332 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5333
5334 let resolved = resolved_task.resolved.as_mut()?;
5335 resolved.reveal = reveal_strategy;
5336
5337 workspace
5338 .update(&mut cx, |workspace, cx| {
5339 workspace::tasks::schedule_resolved_task(
5340 workspace,
5341 task_source_kind,
5342 resolved_task,
5343 false,
5344 cx,
5345 );
5346 })
5347 .ok()
5348 })
5349 .detach();
5350 }
5351
5352 fn find_closest_task(
5353 &mut self,
5354 cx: &mut Context<Self>,
5355 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5356 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5357
5358 let ((buffer_id, row), tasks) = self
5359 .tasks
5360 .iter()
5361 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5362
5363 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5364 let tasks = Arc::new(tasks.to_owned());
5365 Some((buffer, *row, tasks))
5366 }
5367
5368 fn find_enclosing_node_task(
5369 &mut self,
5370 cx: &mut Context<Self>,
5371 ) -> Option<(Entity<Buffer>, u32, Arc<RunnableTasks>)> {
5372 let snapshot = self.buffer.read(cx).snapshot(cx);
5373 let offset = self.selections.newest::<usize>(cx).head();
5374 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5375 let buffer_id = excerpt.buffer().remote_id();
5376
5377 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5378 let mut cursor = layer.node().walk();
5379
5380 while cursor.goto_first_child_for_byte(offset).is_some() {
5381 if cursor.node().end_byte() == offset {
5382 cursor.goto_next_sibling();
5383 }
5384 }
5385
5386 // Ascend to the smallest ancestor that contains the range and has a task.
5387 loop {
5388 let node = cursor.node();
5389 let node_range = node.byte_range();
5390 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5391
5392 // Check if this node contains our offset
5393 if node_range.start <= offset && node_range.end >= offset {
5394 // If it contains offset, check for task
5395 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5396 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5397 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5398 }
5399 }
5400
5401 if !cursor.goto_parent() {
5402 break;
5403 }
5404 }
5405 None
5406 }
5407
5408 fn render_run_indicator(
5409 &self,
5410 _style: &EditorStyle,
5411 is_active: bool,
5412 row: DisplayRow,
5413 cx: &mut Context<Self>,
5414 ) -> IconButton {
5415 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5416 .shape(ui::IconButtonShape::Square)
5417 .icon_size(IconSize::XSmall)
5418 .icon_color(Color::Muted)
5419 .toggle_state(is_active)
5420 .on_click(cx.listener(move |editor, _e, window, cx| {
5421 window.focus(&editor.focus_handle(cx));
5422 editor.toggle_code_actions(
5423 &ToggleCodeActions {
5424 deployed_from_indicator: Some(row),
5425 },
5426 window,
5427 cx,
5428 );
5429 }))
5430 }
5431
5432 #[cfg(any(test, feature = "test-support"))]
5433 pub fn context_menu_visible(&self) -> bool {
5434 self.context_menu
5435 .borrow()
5436 .as_ref()
5437 .map_or(false, |menu| menu.visible())
5438 }
5439
5440 #[cfg(feature = "test-support")]
5441 pub fn context_menu_contains_inline_completion(&self) -> bool {
5442 self.context_menu
5443 .borrow()
5444 .as_ref()
5445 .map_or(false, |menu| match menu {
5446 CodeContextMenu::Completions(menu) => {
5447 menu.entries.borrow().first().map_or(false, |entry| {
5448 matches!(entry, CompletionEntry::InlineCompletionHint(_))
5449 })
5450 }
5451 CodeContextMenu::CodeActions(_) => false,
5452 })
5453 }
5454
5455 fn context_menu_origin(&self, cursor_position: DisplayPoint) -> Option<ContextMenuOrigin> {
5456 self.context_menu
5457 .borrow()
5458 .as_ref()
5459 .map(|menu| menu.origin(cursor_position))
5460 }
5461
5462 fn render_context_menu(
5463 &self,
5464 style: &EditorStyle,
5465 max_height_in_lines: u32,
5466 y_flipped: bool,
5467 window: &mut Window,
5468 cx: &mut Context<Editor>,
5469 ) -> Option<AnyElement> {
5470 self.context_menu.borrow().as_ref().and_then(|menu| {
5471 if menu.visible() {
5472 Some(menu.render(style, max_height_in_lines, y_flipped, window, cx))
5473 } else {
5474 None
5475 }
5476 })
5477 }
5478
5479 fn render_context_menu_aside(
5480 &self,
5481 style: &EditorStyle,
5482 max_size: Size<Pixels>,
5483 cx: &mut Context<Editor>,
5484 ) -> Option<AnyElement> {
5485 self.context_menu.borrow().as_ref().and_then(|menu| {
5486 if menu.visible() {
5487 menu.render_aside(
5488 style,
5489 max_size,
5490 self.workspace.as_ref().map(|(w, _)| w.clone()),
5491 cx,
5492 )
5493 } else {
5494 None
5495 }
5496 })
5497 }
5498
5499 fn hide_context_menu(
5500 &mut self,
5501 window: &mut Window,
5502 cx: &mut Context<Self>,
5503 ) -> Option<CodeContextMenu> {
5504 cx.notify();
5505 self.completion_tasks.clear();
5506 let context_menu = self.context_menu.borrow_mut().take();
5507 if context_menu.is_some() && !self.show_inline_completions_in_menu(cx) {
5508 self.update_visible_inline_completion(window, cx);
5509 }
5510 context_menu
5511 }
5512
5513 fn show_snippet_choices(
5514 &mut self,
5515 choices: &Vec<String>,
5516 selection: Range<Anchor>,
5517 cx: &mut Context<Self>,
5518 ) {
5519 if selection.start.buffer_id.is_none() {
5520 return;
5521 }
5522 let buffer_id = selection.start.buffer_id.unwrap();
5523 let buffer = self.buffer().read(cx).buffer(buffer_id);
5524 let id = post_inc(&mut self.next_completion_id);
5525
5526 if let Some(buffer) = buffer {
5527 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5528 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5529 ));
5530 }
5531 }
5532
5533 pub fn insert_snippet(
5534 &mut self,
5535 insertion_ranges: &[Range<usize>],
5536 snippet: Snippet,
5537 window: &mut Window,
5538 cx: &mut Context<Self>,
5539 ) -> Result<()> {
5540 struct Tabstop<T> {
5541 is_end_tabstop: bool,
5542 ranges: Vec<Range<T>>,
5543 choices: Option<Vec<String>>,
5544 }
5545
5546 let tabstops = self.buffer.update(cx, |buffer, cx| {
5547 let snippet_text: Arc<str> = snippet.text.clone().into();
5548 buffer.edit(
5549 insertion_ranges
5550 .iter()
5551 .cloned()
5552 .map(|range| (range, snippet_text.clone())),
5553 Some(AutoindentMode::EachLine),
5554 cx,
5555 );
5556
5557 let snapshot = &*buffer.read(cx);
5558 let snippet = &snippet;
5559 snippet
5560 .tabstops
5561 .iter()
5562 .map(|tabstop| {
5563 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
5564 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5565 });
5566 let mut tabstop_ranges = tabstop
5567 .ranges
5568 .iter()
5569 .flat_map(|tabstop_range| {
5570 let mut delta = 0_isize;
5571 insertion_ranges.iter().map(move |insertion_range| {
5572 let insertion_start = insertion_range.start as isize + delta;
5573 delta +=
5574 snippet.text.len() as isize - insertion_range.len() as isize;
5575
5576 let start = ((insertion_start + tabstop_range.start) as usize)
5577 .min(snapshot.len());
5578 let end = ((insertion_start + tabstop_range.end) as usize)
5579 .min(snapshot.len());
5580 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5581 })
5582 })
5583 .collect::<Vec<_>>();
5584 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5585
5586 Tabstop {
5587 is_end_tabstop,
5588 ranges: tabstop_ranges,
5589 choices: tabstop.choices.clone(),
5590 }
5591 })
5592 .collect::<Vec<_>>()
5593 });
5594 if let Some(tabstop) = tabstops.first() {
5595 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5596 s.select_ranges(tabstop.ranges.iter().cloned());
5597 });
5598
5599 if let Some(choices) = &tabstop.choices {
5600 if let Some(selection) = tabstop.ranges.first() {
5601 self.show_snippet_choices(choices, selection.clone(), cx)
5602 }
5603 }
5604
5605 // If we're already at the last tabstop and it's at the end of the snippet,
5606 // we're done, we don't need to keep the state around.
5607 if !tabstop.is_end_tabstop {
5608 let choices = tabstops
5609 .iter()
5610 .map(|tabstop| tabstop.choices.clone())
5611 .collect();
5612
5613 let ranges = tabstops
5614 .into_iter()
5615 .map(|tabstop| tabstop.ranges)
5616 .collect::<Vec<_>>();
5617
5618 self.snippet_stack.push(SnippetState {
5619 active_index: 0,
5620 ranges,
5621 choices,
5622 });
5623 }
5624
5625 // Check whether the just-entered snippet ends with an auto-closable bracket.
5626 if self.autoclose_regions.is_empty() {
5627 let snapshot = self.buffer.read(cx).snapshot(cx);
5628 for selection in &mut self.selections.all::<Point>(cx) {
5629 let selection_head = selection.head();
5630 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5631 continue;
5632 };
5633
5634 let mut bracket_pair = None;
5635 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5636 let prev_chars = snapshot
5637 .reversed_chars_at(selection_head)
5638 .collect::<String>();
5639 for (pair, enabled) in scope.brackets() {
5640 if enabled
5641 && pair.close
5642 && prev_chars.starts_with(pair.start.as_str())
5643 && next_chars.starts_with(pair.end.as_str())
5644 {
5645 bracket_pair = Some(pair.clone());
5646 break;
5647 }
5648 }
5649 if let Some(pair) = bracket_pair {
5650 let start = snapshot.anchor_after(selection_head);
5651 let end = snapshot.anchor_after(selection_head);
5652 self.autoclose_regions.push(AutocloseRegion {
5653 selection_id: selection.id,
5654 range: start..end,
5655 pair,
5656 });
5657 }
5658 }
5659 }
5660 }
5661 Ok(())
5662 }
5663
5664 pub fn move_to_next_snippet_tabstop(
5665 &mut self,
5666 window: &mut Window,
5667 cx: &mut Context<Self>,
5668 ) -> bool {
5669 self.move_to_snippet_tabstop(Bias::Right, window, cx)
5670 }
5671
5672 pub fn move_to_prev_snippet_tabstop(
5673 &mut self,
5674 window: &mut Window,
5675 cx: &mut Context<Self>,
5676 ) -> bool {
5677 self.move_to_snippet_tabstop(Bias::Left, window, cx)
5678 }
5679
5680 pub fn move_to_snippet_tabstop(
5681 &mut self,
5682 bias: Bias,
5683 window: &mut Window,
5684 cx: &mut Context<Self>,
5685 ) -> bool {
5686 if let Some(mut snippet) = self.snippet_stack.pop() {
5687 match bias {
5688 Bias::Left => {
5689 if snippet.active_index > 0 {
5690 snippet.active_index -= 1;
5691 } else {
5692 self.snippet_stack.push(snippet);
5693 return false;
5694 }
5695 }
5696 Bias::Right => {
5697 if snippet.active_index + 1 < snippet.ranges.len() {
5698 snippet.active_index += 1;
5699 } else {
5700 self.snippet_stack.push(snippet);
5701 return false;
5702 }
5703 }
5704 }
5705 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5706 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5707 s.select_anchor_ranges(current_ranges.iter().cloned())
5708 });
5709
5710 if let Some(choices) = &snippet.choices[snippet.active_index] {
5711 if let Some(selection) = current_ranges.first() {
5712 self.show_snippet_choices(&choices, selection.clone(), cx);
5713 }
5714 }
5715
5716 // If snippet state is not at the last tabstop, push it back on the stack
5717 if snippet.active_index + 1 < snippet.ranges.len() {
5718 self.snippet_stack.push(snippet);
5719 }
5720 return true;
5721 }
5722 }
5723
5724 false
5725 }
5726
5727 pub fn clear(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5728 self.transact(window, cx, |this, window, cx| {
5729 this.select_all(&SelectAll, window, cx);
5730 this.insert("", window, cx);
5731 });
5732 }
5733
5734 pub fn backspace(&mut self, _: &Backspace, window: &mut Window, cx: &mut Context<Self>) {
5735 self.transact(window, cx, |this, window, cx| {
5736 this.select_autoclose_pair(window, cx);
5737 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5738 if !this.linked_edit_ranges.is_empty() {
5739 let selections = this.selections.all::<MultiBufferPoint>(cx);
5740 let snapshot = this.buffer.read(cx).snapshot(cx);
5741
5742 for selection in selections.iter() {
5743 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5744 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5745 if selection_start.buffer_id != selection_end.buffer_id {
5746 continue;
5747 }
5748 if let Some(ranges) =
5749 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5750 {
5751 for (buffer, entries) in ranges {
5752 linked_ranges.entry(buffer).or_default().extend(entries);
5753 }
5754 }
5755 }
5756 }
5757
5758 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5759 if !this.selections.line_mode {
5760 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5761 for selection in &mut selections {
5762 if selection.is_empty() {
5763 let old_head = selection.head();
5764 let mut new_head =
5765 movement::left(&display_map, old_head.to_display_point(&display_map))
5766 .to_point(&display_map);
5767 if let Some((buffer, line_buffer_range)) = display_map
5768 .buffer_snapshot
5769 .buffer_line_for_row(MultiBufferRow(old_head.row))
5770 {
5771 let indent_size =
5772 buffer.indent_size_for_line(line_buffer_range.start.row);
5773 let indent_len = match indent_size.kind {
5774 IndentKind::Space => {
5775 buffer.settings_at(line_buffer_range.start, cx).tab_size
5776 }
5777 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5778 };
5779 if old_head.column <= indent_size.len && old_head.column > 0 {
5780 let indent_len = indent_len.get();
5781 new_head = cmp::min(
5782 new_head,
5783 MultiBufferPoint::new(
5784 old_head.row,
5785 ((old_head.column - 1) / indent_len) * indent_len,
5786 ),
5787 );
5788 }
5789 }
5790
5791 selection.set_head(new_head, SelectionGoal::None);
5792 }
5793 }
5794 }
5795
5796 this.signature_help_state.set_backspace_pressed(true);
5797 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5798 s.select(selections)
5799 });
5800 this.insert("", window, cx);
5801 let empty_str: Arc<str> = Arc::from("");
5802 for (buffer, edits) in linked_ranges {
5803 let snapshot = buffer.read(cx).snapshot();
5804 use text::ToPoint as TP;
5805
5806 let edits = edits
5807 .into_iter()
5808 .map(|range| {
5809 let end_point = TP::to_point(&range.end, &snapshot);
5810 let mut start_point = TP::to_point(&range.start, &snapshot);
5811
5812 if end_point == start_point {
5813 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5814 .saturating_sub(1);
5815 start_point =
5816 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
5817 };
5818
5819 (start_point..end_point, empty_str.clone())
5820 })
5821 .sorted_by_key(|(range, _)| range.start)
5822 .collect::<Vec<_>>();
5823 buffer.update(cx, |this, cx| {
5824 this.edit(edits, None, cx);
5825 })
5826 }
5827 this.refresh_inline_completion(true, false, window, cx);
5828 linked_editing_ranges::refresh_linked_ranges(this, window, cx);
5829 });
5830 }
5831
5832 pub fn delete(&mut self, _: &Delete, window: &mut Window, cx: &mut Context<Self>) {
5833 self.transact(window, cx, |this, window, cx| {
5834 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5835 let line_mode = s.line_mode;
5836 s.move_with(|map, selection| {
5837 if selection.is_empty() && !line_mode {
5838 let cursor = movement::right(map, selection.head());
5839 selection.end = cursor;
5840 selection.reversed = true;
5841 selection.goal = SelectionGoal::None;
5842 }
5843 })
5844 });
5845 this.insert("", window, cx);
5846 this.refresh_inline_completion(true, false, window, cx);
5847 });
5848 }
5849
5850 pub fn tab_prev(&mut self, _: &TabPrev, window: &mut Window, cx: &mut Context<Self>) {
5851 if self.move_to_prev_snippet_tabstop(window, cx) {
5852 return;
5853 }
5854
5855 self.outdent(&Outdent, window, cx);
5856 }
5857
5858 pub fn tab(&mut self, _: &Tab, window: &mut Window, cx: &mut Context<Self>) {
5859 if self.move_to_next_snippet_tabstop(window, cx) || self.read_only(cx) {
5860 return;
5861 }
5862
5863 let mut selections = self.selections.all_adjusted(cx);
5864 let buffer = self.buffer.read(cx);
5865 let snapshot = buffer.snapshot(cx);
5866 let rows_iter = selections.iter().map(|s| s.head().row);
5867 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5868
5869 let mut edits = Vec::new();
5870 let mut prev_edited_row = 0;
5871 let mut row_delta = 0;
5872 for selection in &mut selections {
5873 if selection.start.row != prev_edited_row {
5874 row_delta = 0;
5875 }
5876 prev_edited_row = selection.end.row;
5877
5878 // If the selection is non-empty, then increase the indentation of the selected lines.
5879 if !selection.is_empty() {
5880 row_delta =
5881 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5882 continue;
5883 }
5884
5885 // If the selection is empty and the cursor is in the leading whitespace before the
5886 // suggested indentation, then auto-indent the line.
5887 let cursor = selection.head();
5888 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5889 if let Some(suggested_indent) =
5890 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5891 {
5892 if cursor.column < suggested_indent.len
5893 && cursor.column <= current_indent.len
5894 && current_indent.len <= suggested_indent.len
5895 {
5896 selection.start = Point::new(cursor.row, suggested_indent.len);
5897 selection.end = selection.start;
5898 if row_delta == 0 {
5899 edits.extend(Buffer::edit_for_indent_size_adjustment(
5900 cursor.row,
5901 current_indent,
5902 suggested_indent,
5903 ));
5904 row_delta = suggested_indent.len - current_indent.len;
5905 }
5906 continue;
5907 }
5908 }
5909
5910 // Otherwise, insert a hard or soft tab.
5911 let settings = buffer.settings_at(cursor, cx);
5912 let tab_size = if settings.hard_tabs {
5913 IndentSize::tab()
5914 } else {
5915 let tab_size = settings.tab_size.get();
5916 let char_column = snapshot
5917 .text_for_range(Point::new(cursor.row, 0)..cursor)
5918 .flat_map(str::chars)
5919 .count()
5920 + row_delta as usize;
5921 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5922 IndentSize::spaces(chars_to_next_tab_stop)
5923 };
5924 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5925 selection.end = selection.start;
5926 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5927 row_delta += tab_size.len;
5928 }
5929
5930 self.transact(window, cx, |this, window, cx| {
5931 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5932 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5933 s.select(selections)
5934 });
5935 this.refresh_inline_completion(true, false, window, cx);
5936 });
5937 }
5938
5939 pub fn indent(&mut self, _: &Indent, window: &mut Window, cx: &mut Context<Self>) {
5940 if self.read_only(cx) {
5941 return;
5942 }
5943 let mut selections = self.selections.all::<Point>(cx);
5944 let mut prev_edited_row = 0;
5945 let mut row_delta = 0;
5946 let mut edits = Vec::new();
5947 let buffer = self.buffer.read(cx);
5948 let snapshot = buffer.snapshot(cx);
5949 for selection in &mut selections {
5950 if selection.start.row != prev_edited_row {
5951 row_delta = 0;
5952 }
5953 prev_edited_row = selection.end.row;
5954
5955 row_delta =
5956 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5957 }
5958
5959 self.transact(window, cx, |this, window, cx| {
5960 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5961 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
5962 s.select(selections)
5963 });
5964 });
5965 }
5966
5967 fn indent_selection(
5968 buffer: &MultiBuffer,
5969 snapshot: &MultiBufferSnapshot,
5970 selection: &mut Selection<Point>,
5971 edits: &mut Vec<(Range<Point>, String)>,
5972 delta_for_start_row: u32,
5973 cx: &App,
5974 ) -> u32 {
5975 let settings = buffer.settings_at(selection.start, cx);
5976 let tab_size = settings.tab_size.get();
5977 let indent_kind = if settings.hard_tabs {
5978 IndentKind::Tab
5979 } else {
5980 IndentKind::Space
5981 };
5982 let mut start_row = selection.start.row;
5983 let mut end_row = selection.end.row + 1;
5984
5985 // If a selection ends at the beginning of a line, don't indent
5986 // that last line.
5987 if selection.end.column == 0 && selection.end.row > selection.start.row {
5988 end_row -= 1;
5989 }
5990
5991 // Avoid re-indenting a row that has already been indented by a
5992 // previous selection, but still update this selection's column
5993 // to reflect that indentation.
5994 if delta_for_start_row > 0 {
5995 start_row += 1;
5996 selection.start.column += delta_for_start_row;
5997 if selection.end.row == selection.start.row {
5998 selection.end.column += delta_for_start_row;
5999 }
6000 }
6001
6002 let mut delta_for_end_row = 0;
6003 let has_multiple_rows = start_row + 1 != end_row;
6004 for row in start_row..end_row {
6005 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
6006 let indent_delta = match (current_indent.kind, indent_kind) {
6007 (IndentKind::Space, IndentKind::Space) => {
6008 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
6009 IndentSize::spaces(columns_to_next_tab_stop)
6010 }
6011 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
6012 (_, IndentKind::Tab) => IndentSize::tab(),
6013 };
6014
6015 let start = if has_multiple_rows || current_indent.len < selection.start.column {
6016 0
6017 } else {
6018 selection.start.column
6019 };
6020 let row_start = Point::new(row, start);
6021 edits.push((
6022 row_start..row_start,
6023 indent_delta.chars().collect::<String>(),
6024 ));
6025
6026 // Update this selection's endpoints to reflect the indentation.
6027 if row == selection.start.row {
6028 selection.start.column += indent_delta.len;
6029 }
6030 if row == selection.end.row {
6031 selection.end.column += indent_delta.len;
6032 delta_for_end_row = indent_delta.len;
6033 }
6034 }
6035
6036 if selection.start.row == selection.end.row {
6037 delta_for_start_row + delta_for_end_row
6038 } else {
6039 delta_for_end_row
6040 }
6041 }
6042
6043 pub fn outdent(&mut self, _: &Outdent, window: &mut Window, cx: &mut Context<Self>) {
6044 if self.read_only(cx) {
6045 return;
6046 }
6047 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6048 let selections = self.selections.all::<Point>(cx);
6049 let mut deletion_ranges = Vec::new();
6050 let mut last_outdent = None;
6051 {
6052 let buffer = self.buffer.read(cx);
6053 let snapshot = buffer.snapshot(cx);
6054 for selection in &selections {
6055 let settings = buffer.settings_at(selection.start, cx);
6056 let tab_size = settings.tab_size.get();
6057 let mut rows = selection.spanned_rows(false, &display_map);
6058
6059 // Avoid re-outdenting a row that has already been outdented by a
6060 // previous selection.
6061 if let Some(last_row) = last_outdent {
6062 if last_row == rows.start {
6063 rows.start = rows.start.next_row();
6064 }
6065 }
6066 let has_multiple_rows = rows.len() > 1;
6067 for row in rows.iter_rows() {
6068 let indent_size = snapshot.indent_size_for_line(row);
6069 if indent_size.len > 0 {
6070 let deletion_len = match indent_size.kind {
6071 IndentKind::Space => {
6072 let columns_to_prev_tab_stop = indent_size.len % tab_size;
6073 if columns_to_prev_tab_stop == 0 {
6074 tab_size
6075 } else {
6076 columns_to_prev_tab_stop
6077 }
6078 }
6079 IndentKind::Tab => 1,
6080 };
6081 let start = if has_multiple_rows
6082 || deletion_len > selection.start.column
6083 || indent_size.len < selection.start.column
6084 {
6085 0
6086 } else {
6087 selection.start.column - deletion_len
6088 };
6089 deletion_ranges.push(
6090 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
6091 );
6092 last_outdent = Some(row);
6093 }
6094 }
6095 }
6096 }
6097
6098 self.transact(window, cx, |this, window, cx| {
6099 this.buffer.update(cx, |buffer, cx| {
6100 let empty_str: Arc<str> = Arc::default();
6101 buffer.edit(
6102 deletion_ranges
6103 .into_iter()
6104 .map(|range| (range, empty_str.clone())),
6105 None,
6106 cx,
6107 );
6108 });
6109 let selections = this.selections.all::<usize>(cx);
6110 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6111 s.select(selections)
6112 });
6113 });
6114 }
6115
6116 pub fn autoindent(&mut self, _: &AutoIndent, window: &mut Window, cx: &mut Context<Self>) {
6117 if self.read_only(cx) {
6118 return;
6119 }
6120 let selections = self
6121 .selections
6122 .all::<usize>(cx)
6123 .into_iter()
6124 .map(|s| s.range());
6125
6126 self.transact(window, cx, |this, window, cx| {
6127 this.buffer.update(cx, |buffer, cx| {
6128 buffer.autoindent_ranges(selections, cx);
6129 });
6130 let selections = this.selections.all::<usize>(cx);
6131 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6132 s.select(selections)
6133 });
6134 });
6135 }
6136
6137 pub fn delete_line(&mut self, _: &DeleteLine, window: &mut Window, cx: &mut Context<Self>) {
6138 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6139 let selections = self.selections.all::<Point>(cx);
6140
6141 let mut new_cursors = Vec::new();
6142 let mut edit_ranges = Vec::new();
6143 let mut selections = selections.iter().peekable();
6144 while let Some(selection) = selections.next() {
6145 let mut rows = selection.spanned_rows(false, &display_map);
6146 let goal_display_column = selection.head().to_display_point(&display_map).column();
6147
6148 // Accumulate contiguous regions of rows that we want to delete.
6149 while let Some(next_selection) = selections.peek() {
6150 let next_rows = next_selection.spanned_rows(false, &display_map);
6151 if next_rows.start <= rows.end {
6152 rows.end = next_rows.end;
6153 selections.next().unwrap();
6154 } else {
6155 break;
6156 }
6157 }
6158
6159 let buffer = &display_map.buffer_snapshot;
6160 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
6161 let edit_end;
6162 let cursor_buffer_row;
6163 if buffer.max_point().row >= rows.end.0 {
6164 // If there's a line after the range, delete the \n from the end of the row range
6165 // and position the cursor on the next line.
6166 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
6167 cursor_buffer_row = rows.end;
6168 } else {
6169 // If there isn't a line after the range, delete the \n from the line before the
6170 // start of the row range and position the cursor there.
6171 edit_start = edit_start.saturating_sub(1);
6172 edit_end = buffer.len();
6173 cursor_buffer_row = rows.start.previous_row();
6174 }
6175
6176 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
6177 *cursor.column_mut() =
6178 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
6179
6180 new_cursors.push((
6181 selection.id,
6182 buffer.anchor_after(cursor.to_point(&display_map)),
6183 ));
6184 edit_ranges.push(edit_start..edit_end);
6185 }
6186
6187 self.transact(window, cx, |this, window, cx| {
6188 let buffer = this.buffer.update(cx, |buffer, cx| {
6189 let empty_str: Arc<str> = Arc::default();
6190 buffer.edit(
6191 edit_ranges
6192 .into_iter()
6193 .map(|range| (range, empty_str.clone())),
6194 None,
6195 cx,
6196 );
6197 buffer.snapshot(cx)
6198 });
6199 let new_selections = new_cursors
6200 .into_iter()
6201 .map(|(id, cursor)| {
6202 let cursor = cursor.to_point(&buffer);
6203 Selection {
6204 id,
6205 start: cursor,
6206 end: cursor,
6207 reversed: false,
6208 goal: SelectionGoal::None,
6209 }
6210 })
6211 .collect();
6212
6213 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6214 s.select(new_selections);
6215 });
6216 });
6217 }
6218
6219 pub fn join_lines_impl(
6220 &mut self,
6221 insert_whitespace: bool,
6222 window: &mut Window,
6223 cx: &mut Context<Self>,
6224 ) {
6225 if self.read_only(cx) {
6226 return;
6227 }
6228 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
6229 for selection in self.selections.all::<Point>(cx) {
6230 let start = MultiBufferRow(selection.start.row);
6231 // Treat single line selections as if they include the next line. Otherwise this action
6232 // would do nothing for single line selections individual cursors.
6233 let end = if selection.start.row == selection.end.row {
6234 MultiBufferRow(selection.start.row + 1)
6235 } else {
6236 MultiBufferRow(selection.end.row)
6237 };
6238
6239 if let Some(last_row_range) = row_ranges.last_mut() {
6240 if start <= last_row_range.end {
6241 last_row_range.end = end;
6242 continue;
6243 }
6244 }
6245 row_ranges.push(start..end);
6246 }
6247
6248 let snapshot = self.buffer.read(cx).snapshot(cx);
6249 let mut cursor_positions = Vec::new();
6250 for row_range in &row_ranges {
6251 let anchor = snapshot.anchor_before(Point::new(
6252 row_range.end.previous_row().0,
6253 snapshot.line_len(row_range.end.previous_row()),
6254 ));
6255 cursor_positions.push(anchor..anchor);
6256 }
6257
6258 self.transact(window, cx, |this, window, cx| {
6259 for row_range in row_ranges.into_iter().rev() {
6260 for row in row_range.iter_rows().rev() {
6261 let end_of_line = Point::new(row.0, snapshot.line_len(row));
6262 let next_line_row = row.next_row();
6263 let indent = snapshot.indent_size_for_line(next_line_row);
6264 let start_of_next_line = Point::new(next_line_row.0, indent.len);
6265
6266 let replace =
6267 if snapshot.line_len(next_line_row) > indent.len && insert_whitespace {
6268 " "
6269 } else {
6270 ""
6271 };
6272
6273 this.buffer.update(cx, |buffer, cx| {
6274 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
6275 });
6276 }
6277 }
6278
6279 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6280 s.select_anchor_ranges(cursor_positions)
6281 });
6282 });
6283 }
6284
6285 pub fn join_lines(&mut self, _: &JoinLines, window: &mut Window, cx: &mut Context<Self>) {
6286 self.join_lines_impl(true, window, cx);
6287 }
6288
6289 pub fn sort_lines_case_sensitive(
6290 &mut self,
6291 _: &SortLinesCaseSensitive,
6292 window: &mut Window,
6293 cx: &mut Context<Self>,
6294 ) {
6295 self.manipulate_lines(window, cx, |lines| lines.sort())
6296 }
6297
6298 pub fn sort_lines_case_insensitive(
6299 &mut self,
6300 _: &SortLinesCaseInsensitive,
6301 window: &mut Window,
6302 cx: &mut Context<Self>,
6303 ) {
6304 self.manipulate_lines(window, cx, |lines| {
6305 lines.sort_by_key(|line| line.to_lowercase())
6306 })
6307 }
6308
6309 pub fn unique_lines_case_insensitive(
6310 &mut self,
6311 _: &UniqueLinesCaseInsensitive,
6312 window: &mut Window,
6313 cx: &mut Context<Self>,
6314 ) {
6315 self.manipulate_lines(window, cx, |lines| {
6316 let mut seen = HashSet::default();
6317 lines.retain(|line| seen.insert(line.to_lowercase()));
6318 })
6319 }
6320
6321 pub fn unique_lines_case_sensitive(
6322 &mut self,
6323 _: &UniqueLinesCaseSensitive,
6324 window: &mut Window,
6325 cx: &mut Context<Self>,
6326 ) {
6327 self.manipulate_lines(window, cx, |lines| {
6328 let mut seen = HashSet::default();
6329 lines.retain(|line| seen.insert(*line));
6330 })
6331 }
6332
6333 pub fn revert_file(&mut self, _: &RevertFile, window: &mut Window, cx: &mut Context<Self>) {
6334 let mut revert_changes = HashMap::default();
6335 let snapshot = self.snapshot(window, cx);
6336 for hunk in snapshot
6337 .hunks_for_ranges(Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter())
6338 {
6339 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6340 }
6341 if !revert_changes.is_empty() {
6342 self.transact(window, cx, |editor, window, cx| {
6343 editor.revert(revert_changes, window, cx);
6344 });
6345 }
6346 }
6347
6348 pub fn reload_file(&mut self, _: &ReloadFile, window: &mut Window, cx: &mut Context<Self>) {
6349 let Some(project) = self.project.clone() else {
6350 return;
6351 };
6352 self.reload(project, window, cx)
6353 .detach_and_notify_err(window, cx);
6354 }
6355
6356 pub fn revert_selected_hunks(
6357 &mut self,
6358 _: &RevertSelectedHunks,
6359 window: &mut Window,
6360 cx: &mut Context<Self>,
6361 ) {
6362 let selections = self.selections.all(cx).into_iter().map(|s| s.range());
6363 self.revert_hunks_in_ranges(selections, window, cx);
6364 }
6365
6366 fn revert_hunks_in_ranges(
6367 &mut self,
6368 ranges: impl Iterator<Item = Range<Point>>,
6369 window: &mut Window,
6370 cx: &mut Context<Editor>,
6371 ) {
6372 let mut revert_changes = HashMap::default();
6373 let snapshot = self.snapshot(window, cx);
6374 for hunk in &snapshot.hunks_for_ranges(ranges) {
6375 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6376 }
6377 if !revert_changes.is_empty() {
6378 self.transact(window, cx, |editor, window, cx| {
6379 editor.revert(revert_changes, window, cx);
6380 });
6381 }
6382 }
6383
6384 pub fn open_active_item_in_terminal(
6385 &mut self,
6386 _: &OpenInTerminal,
6387 window: &mut Window,
6388 cx: &mut Context<Self>,
6389 ) {
6390 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
6391 let project_path = buffer.read(cx).project_path(cx)?;
6392 let project = self.project.as_ref()?.read(cx);
6393 let entry = project.entry_for_path(&project_path, cx)?;
6394 let parent = match &entry.canonical_path {
6395 Some(canonical_path) => canonical_path.to_path_buf(),
6396 None => project.absolute_path(&project_path, cx)?,
6397 }
6398 .parent()?
6399 .to_path_buf();
6400 Some(parent)
6401 }) {
6402 window.dispatch_action(OpenTerminal { working_directory }.boxed_clone(), cx);
6403 }
6404 }
6405
6406 pub fn prepare_revert_change(
6407 &self,
6408 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6409 hunk: &MultiBufferDiffHunk,
6410 cx: &mut App,
6411 ) -> Option<()> {
6412 let buffer = self.buffer.read(cx);
6413 let change_set = buffer.change_set_for(hunk.buffer_id)?;
6414 let buffer = buffer.buffer(hunk.buffer_id)?;
6415 let buffer = buffer.read(cx);
6416 let original_text = change_set
6417 .read(cx)
6418 .base_text
6419 .as_ref()?
6420 .as_rope()
6421 .slice(hunk.diff_base_byte_range.clone());
6422 let buffer_snapshot = buffer.snapshot();
6423 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6424 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6425 probe
6426 .0
6427 .start
6428 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6429 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6430 }) {
6431 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6432 Some(())
6433 } else {
6434 None
6435 }
6436 }
6437
6438 pub fn reverse_lines(&mut self, _: &ReverseLines, window: &mut Window, cx: &mut Context<Self>) {
6439 self.manipulate_lines(window, cx, |lines| lines.reverse())
6440 }
6441
6442 pub fn shuffle_lines(&mut self, _: &ShuffleLines, window: &mut Window, cx: &mut Context<Self>) {
6443 self.manipulate_lines(window, cx, |lines| lines.shuffle(&mut thread_rng()))
6444 }
6445
6446 fn manipulate_lines<Fn>(
6447 &mut self,
6448 window: &mut Window,
6449 cx: &mut Context<Self>,
6450 mut callback: Fn,
6451 ) where
6452 Fn: FnMut(&mut Vec<&str>),
6453 {
6454 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6455 let buffer = self.buffer.read(cx).snapshot(cx);
6456
6457 let mut edits = Vec::new();
6458
6459 let selections = self.selections.all::<Point>(cx);
6460 let mut selections = selections.iter().peekable();
6461 let mut contiguous_row_selections = Vec::new();
6462 let mut new_selections = Vec::new();
6463 let mut added_lines = 0;
6464 let mut removed_lines = 0;
6465
6466 while let Some(selection) = selections.next() {
6467 let (start_row, end_row) = consume_contiguous_rows(
6468 &mut contiguous_row_selections,
6469 selection,
6470 &display_map,
6471 &mut selections,
6472 );
6473
6474 let start_point = Point::new(start_row.0, 0);
6475 let end_point = Point::new(
6476 end_row.previous_row().0,
6477 buffer.line_len(end_row.previous_row()),
6478 );
6479 let text = buffer
6480 .text_for_range(start_point..end_point)
6481 .collect::<String>();
6482
6483 let mut lines = text.split('\n').collect_vec();
6484
6485 let lines_before = lines.len();
6486 callback(&mut lines);
6487 let lines_after = lines.len();
6488
6489 edits.push((start_point..end_point, lines.join("\n")));
6490
6491 // Selections must change based on added and removed line count
6492 let start_row =
6493 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6494 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6495 new_selections.push(Selection {
6496 id: selection.id,
6497 start: start_row,
6498 end: end_row,
6499 goal: SelectionGoal::None,
6500 reversed: selection.reversed,
6501 });
6502
6503 if lines_after > lines_before {
6504 added_lines += lines_after - lines_before;
6505 } else if lines_before > lines_after {
6506 removed_lines += lines_before - lines_after;
6507 }
6508 }
6509
6510 self.transact(window, cx, |this, window, cx| {
6511 let buffer = this.buffer.update(cx, |buffer, cx| {
6512 buffer.edit(edits, None, cx);
6513 buffer.snapshot(cx)
6514 });
6515
6516 // Recalculate offsets on newly edited buffer
6517 let new_selections = new_selections
6518 .iter()
6519 .map(|s| {
6520 let start_point = Point::new(s.start.0, 0);
6521 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6522 Selection {
6523 id: s.id,
6524 start: buffer.point_to_offset(start_point),
6525 end: buffer.point_to_offset(end_point),
6526 goal: s.goal,
6527 reversed: s.reversed,
6528 }
6529 })
6530 .collect();
6531
6532 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6533 s.select(new_selections);
6534 });
6535
6536 this.request_autoscroll(Autoscroll::fit(), cx);
6537 });
6538 }
6539
6540 pub fn convert_to_upper_case(
6541 &mut self,
6542 _: &ConvertToUpperCase,
6543 window: &mut Window,
6544 cx: &mut Context<Self>,
6545 ) {
6546 self.manipulate_text(window, cx, |text| text.to_uppercase())
6547 }
6548
6549 pub fn convert_to_lower_case(
6550 &mut self,
6551 _: &ConvertToLowerCase,
6552 window: &mut Window,
6553 cx: &mut Context<Self>,
6554 ) {
6555 self.manipulate_text(window, cx, |text| text.to_lowercase())
6556 }
6557
6558 pub fn convert_to_title_case(
6559 &mut self,
6560 _: &ConvertToTitleCase,
6561 window: &mut Window,
6562 cx: &mut Context<Self>,
6563 ) {
6564 self.manipulate_text(window, cx, |text| {
6565 text.split('\n')
6566 .map(|line| line.to_case(Case::Title))
6567 .join("\n")
6568 })
6569 }
6570
6571 pub fn convert_to_snake_case(
6572 &mut self,
6573 _: &ConvertToSnakeCase,
6574 window: &mut Window,
6575 cx: &mut Context<Self>,
6576 ) {
6577 self.manipulate_text(window, cx, |text| text.to_case(Case::Snake))
6578 }
6579
6580 pub fn convert_to_kebab_case(
6581 &mut self,
6582 _: &ConvertToKebabCase,
6583 window: &mut Window,
6584 cx: &mut Context<Self>,
6585 ) {
6586 self.manipulate_text(window, cx, |text| text.to_case(Case::Kebab))
6587 }
6588
6589 pub fn convert_to_upper_camel_case(
6590 &mut self,
6591 _: &ConvertToUpperCamelCase,
6592 window: &mut Window,
6593 cx: &mut Context<Self>,
6594 ) {
6595 self.manipulate_text(window, cx, |text| {
6596 text.split('\n')
6597 .map(|line| line.to_case(Case::UpperCamel))
6598 .join("\n")
6599 })
6600 }
6601
6602 pub fn convert_to_lower_camel_case(
6603 &mut self,
6604 _: &ConvertToLowerCamelCase,
6605 window: &mut Window,
6606 cx: &mut Context<Self>,
6607 ) {
6608 self.manipulate_text(window, cx, |text| text.to_case(Case::Camel))
6609 }
6610
6611 pub fn convert_to_opposite_case(
6612 &mut self,
6613 _: &ConvertToOppositeCase,
6614 window: &mut Window,
6615 cx: &mut Context<Self>,
6616 ) {
6617 self.manipulate_text(window, cx, |text| {
6618 text.chars()
6619 .fold(String::with_capacity(text.len()), |mut t, c| {
6620 if c.is_uppercase() {
6621 t.extend(c.to_lowercase());
6622 } else {
6623 t.extend(c.to_uppercase());
6624 }
6625 t
6626 })
6627 })
6628 }
6629
6630 fn manipulate_text<Fn>(&mut self, window: &mut Window, cx: &mut Context<Self>, mut callback: Fn)
6631 where
6632 Fn: FnMut(&str) -> String,
6633 {
6634 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6635 let buffer = self.buffer.read(cx).snapshot(cx);
6636
6637 let mut new_selections = Vec::new();
6638 let mut edits = Vec::new();
6639 let mut selection_adjustment = 0i32;
6640
6641 for selection in self.selections.all::<usize>(cx) {
6642 let selection_is_empty = selection.is_empty();
6643
6644 let (start, end) = if selection_is_empty {
6645 let word_range = movement::surrounding_word(
6646 &display_map,
6647 selection.start.to_display_point(&display_map),
6648 );
6649 let start = word_range.start.to_offset(&display_map, Bias::Left);
6650 let end = word_range.end.to_offset(&display_map, Bias::Left);
6651 (start, end)
6652 } else {
6653 (selection.start, selection.end)
6654 };
6655
6656 let text = buffer.text_for_range(start..end).collect::<String>();
6657 let old_length = text.len() as i32;
6658 let text = callback(&text);
6659
6660 new_selections.push(Selection {
6661 start: (start as i32 - selection_adjustment) as usize,
6662 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6663 goal: SelectionGoal::None,
6664 ..selection
6665 });
6666
6667 selection_adjustment += old_length - text.len() as i32;
6668
6669 edits.push((start..end, text));
6670 }
6671
6672 self.transact(window, cx, |this, window, cx| {
6673 this.buffer.update(cx, |buffer, cx| {
6674 buffer.edit(edits, None, cx);
6675 });
6676
6677 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6678 s.select(new_selections);
6679 });
6680
6681 this.request_autoscroll(Autoscroll::fit(), cx);
6682 });
6683 }
6684
6685 pub fn duplicate(
6686 &mut self,
6687 upwards: bool,
6688 whole_lines: bool,
6689 window: &mut Window,
6690 cx: &mut Context<Self>,
6691 ) {
6692 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6693 let buffer = &display_map.buffer_snapshot;
6694 let selections = self.selections.all::<Point>(cx);
6695
6696 let mut edits = Vec::new();
6697 let mut selections_iter = selections.iter().peekable();
6698 while let Some(selection) = selections_iter.next() {
6699 let mut rows = selection.spanned_rows(false, &display_map);
6700 // duplicate line-wise
6701 if whole_lines || selection.start == selection.end {
6702 // Avoid duplicating the same lines twice.
6703 while let Some(next_selection) = selections_iter.peek() {
6704 let next_rows = next_selection.spanned_rows(false, &display_map);
6705 if next_rows.start < rows.end {
6706 rows.end = next_rows.end;
6707 selections_iter.next().unwrap();
6708 } else {
6709 break;
6710 }
6711 }
6712
6713 // Copy the text from the selected row region and splice it either at the start
6714 // or end of the region.
6715 let start = Point::new(rows.start.0, 0);
6716 let end = Point::new(
6717 rows.end.previous_row().0,
6718 buffer.line_len(rows.end.previous_row()),
6719 );
6720 let text = buffer
6721 .text_for_range(start..end)
6722 .chain(Some("\n"))
6723 .collect::<String>();
6724 let insert_location = if upwards {
6725 Point::new(rows.end.0, 0)
6726 } else {
6727 start
6728 };
6729 edits.push((insert_location..insert_location, text));
6730 } else {
6731 // duplicate character-wise
6732 let start = selection.start;
6733 let end = selection.end;
6734 let text = buffer.text_for_range(start..end).collect::<String>();
6735 edits.push((selection.end..selection.end, text));
6736 }
6737 }
6738
6739 self.transact(window, cx, |this, _, cx| {
6740 this.buffer.update(cx, |buffer, cx| {
6741 buffer.edit(edits, None, cx);
6742 });
6743
6744 this.request_autoscroll(Autoscroll::fit(), cx);
6745 });
6746 }
6747
6748 pub fn duplicate_line_up(
6749 &mut self,
6750 _: &DuplicateLineUp,
6751 window: &mut Window,
6752 cx: &mut Context<Self>,
6753 ) {
6754 self.duplicate(true, true, window, cx);
6755 }
6756
6757 pub fn duplicate_line_down(
6758 &mut self,
6759 _: &DuplicateLineDown,
6760 window: &mut Window,
6761 cx: &mut Context<Self>,
6762 ) {
6763 self.duplicate(false, true, window, cx);
6764 }
6765
6766 pub fn duplicate_selection(
6767 &mut self,
6768 _: &DuplicateSelection,
6769 window: &mut Window,
6770 cx: &mut Context<Self>,
6771 ) {
6772 self.duplicate(false, false, window, cx);
6773 }
6774
6775 pub fn move_line_up(&mut self, _: &MoveLineUp, window: &mut Window, cx: &mut Context<Self>) {
6776 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6777 let buffer = self.buffer.read(cx).snapshot(cx);
6778
6779 let mut edits = Vec::new();
6780 let mut unfold_ranges = Vec::new();
6781 let mut refold_creases = Vec::new();
6782
6783 let selections = self.selections.all::<Point>(cx);
6784 let mut selections = selections.iter().peekable();
6785 let mut contiguous_row_selections = Vec::new();
6786 let mut new_selections = Vec::new();
6787
6788 while let Some(selection) = selections.next() {
6789 // Find all the selections that span a contiguous row range
6790 let (start_row, end_row) = consume_contiguous_rows(
6791 &mut contiguous_row_selections,
6792 selection,
6793 &display_map,
6794 &mut selections,
6795 );
6796
6797 // Move the text spanned by the row range to be before the line preceding the row range
6798 if start_row.0 > 0 {
6799 let range_to_move = Point::new(
6800 start_row.previous_row().0,
6801 buffer.line_len(start_row.previous_row()),
6802 )
6803 ..Point::new(
6804 end_row.previous_row().0,
6805 buffer.line_len(end_row.previous_row()),
6806 );
6807 let insertion_point = display_map
6808 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6809 .0;
6810
6811 // Don't move lines across excerpts
6812 if buffer
6813 .excerpt_containing(insertion_point..range_to_move.end)
6814 .is_some()
6815 {
6816 let text = buffer
6817 .text_for_range(range_to_move.clone())
6818 .flat_map(|s| s.chars())
6819 .skip(1)
6820 .chain(['\n'])
6821 .collect::<String>();
6822
6823 edits.push((
6824 buffer.anchor_after(range_to_move.start)
6825 ..buffer.anchor_before(range_to_move.end),
6826 String::new(),
6827 ));
6828 let insertion_anchor = buffer.anchor_after(insertion_point);
6829 edits.push((insertion_anchor..insertion_anchor, text));
6830
6831 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6832
6833 // Move selections up
6834 new_selections.extend(contiguous_row_selections.drain(..).map(
6835 |mut selection| {
6836 selection.start.row -= row_delta;
6837 selection.end.row -= row_delta;
6838 selection
6839 },
6840 ));
6841
6842 // Move folds up
6843 unfold_ranges.push(range_to_move.clone());
6844 for fold in display_map.folds_in_range(
6845 buffer.anchor_before(range_to_move.start)
6846 ..buffer.anchor_after(range_to_move.end),
6847 ) {
6848 let mut start = fold.range.start.to_point(&buffer);
6849 let mut end = fold.range.end.to_point(&buffer);
6850 start.row -= row_delta;
6851 end.row -= row_delta;
6852 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6853 }
6854 }
6855 }
6856
6857 // If we didn't move line(s), preserve the existing selections
6858 new_selections.append(&mut contiguous_row_selections);
6859 }
6860
6861 self.transact(window, cx, |this, window, cx| {
6862 this.unfold_ranges(&unfold_ranges, true, true, cx);
6863 this.buffer.update(cx, |buffer, cx| {
6864 for (range, text) in edits {
6865 buffer.edit([(range, text)], None, cx);
6866 }
6867 });
6868 this.fold_creases(refold_creases, true, window, cx);
6869 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6870 s.select(new_selections);
6871 })
6872 });
6873 }
6874
6875 pub fn move_line_down(
6876 &mut self,
6877 _: &MoveLineDown,
6878 window: &mut Window,
6879 cx: &mut Context<Self>,
6880 ) {
6881 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6882 let buffer = self.buffer.read(cx).snapshot(cx);
6883
6884 let mut edits = Vec::new();
6885 let mut unfold_ranges = Vec::new();
6886 let mut refold_creases = Vec::new();
6887
6888 let selections = self.selections.all::<Point>(cx);
6889 let mut selections = selections.iter().peekable();
6890 let mut contiguous_row_selections = Vec::new();
6891 let mut new_selections = Vec::new();
6892
6893 while let Some(selection) = selections.next() {
6894 // Find all the selections that span a contiguous row range
6895 let (start_row, end_row) = consume_contiguous_rows(
6896 &mut contiguous_row_selections,
6897 selection,
6898 &display_map,
6899 &mut selections,
6900 );
6901
6902 // Move the text spanned by the row range to be after the last line of the row range
6903 if end_row.0 <= buffer.max_point().row {
6904 let range_to_move =
6905 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6906 let insertion_point = display_map
6907 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6908 .0;
6909
6910 // Don't move lines across excerpt boundaries
6911 if buffer
6912 .excerpt_containing(range_to_move.start..insertion_point)
6913 .is_some()
6914 {
6915 let mut text = String::from("\n");
6916 text.extend(buffer.text_for_range(range_to_move.clone()));
6917 text.pop(); // Drop trailing newline
6918 edits.push((
6919 buffer.anchor_after(range_to_move.start)
6920 ..buffer.anchor_before(range_to_move.end),
6921 String::new(),
6922 ));
6923 let insertion_anchor = buffer.anchor_after(insertion_point);
6924 edits.push((insertion_anchor..insertion_anchor, text));
6925
6926 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6927
6928 // Move selections down
6929 new_selections.extend(contiguous_row_selections.drain(..).map(
6930 |mut selection| {
6931 selection.start.row += row_delta;
6932 selection.end.row += row_delta;
6933 selection
6934 },
6935 ));
6936
6937 // Move folds down
6938 unfold_ranges.push(range_to_move.clone());
6939 for fold in display_map.folds_in_range(
6940 buffer.anchor_before(range_to_move.start)
6941 ..buffer.anchor_after(range_to_move.end),
6942 ) {
6943 let mut start = fold.range.start.to_point(&buffer);
6944 let mut end = fold.range.end.to_point(&buffer);
6945 start.row += row_delta;
6946 end.row += row_delta;
6947 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6948 }
6949 }
6950 }
6951
6952 // If we didn't move line(s), preserve the existing selections
6953 new_selections.append(&mut contiguous_row_selections);
6954 }
6955
6956 self.transact(window, cx, |this, window, cx| {
6957 this.unfold_ranges(&unfold_ranges, true, true, cx);
6958 this.buffer.update(cx, |buffer, cx| {
6959 for (range, text) in edits {
6960 buffer.edit([(range, text)], None, cx);
6961 }
6962 });
6963 this.fold_creases(refold_creases, true, window, cx);
6964 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6965 s.select(new_selections)
6966 });
6967 });
6968 }
6969
6970 pub fn transpose(&mut self, _: &Transpose, window: &mut Window, cx: &mut Context<Self>) {
6971 let text_layout_details = &self.text_layout_details(window);
6972 self.transact(window, cx, |this, window, cx| {
6973 let edits = this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
6974 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6975 let line_mode = s.line_mode;
6976 s.move_with(|display_map, selection| {
6977 if !selection.is_empty() || line_mode {
6978 return;
6979 }
6980
6981 let mut head = selection.head();
6982 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6983 if head.column() == display_map.line_len(head.row()) {
6984 transpose_offset = display_map
6985 .buffer_snapshot
6986 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6987 }
6988
6989 if transpose_offset == 0 {
6990 return;
6991 }
6992
6993 *head.column_mut() += 1;
6994 head = display_map.clip_point(head, Bias::Right);
6995 let goal = SelectionGoal::HorizontalPosition(
6996 display_map
6997 .x_for_display_point(head, text_layout_details)
6998 .into(),
6999 );
7000 selection.collapse_to(head, goal);
7001
7002 let transpose_start = display_map
7003 .buffer_snapshot
7004 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
7005 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
7006 let transpose_end = display_map
7007 .buffer_snapshot
7008 .clip_offset(transpose_offset + 1, Bias::Right);
7009 if let Some(ch) =
7010 display_map.buffer_snapshot.chars_at(transpose_start).next()
7011 {
7012 edits.push((transpose_start..transpose_offset, String::new()));
7013 edits.push((transpose_end..transpose_end, ch.to_string()));
7014 }
7015 }
7016 });
7017 edits
7018 });
7019 this.buffer
7020 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7021 let selections = this.selections.all::<usize>(cx);
7022 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7023 s.select(selections);
7024 });
7025 });
7026 }
7027
7028 pub fn rewrap(&mut self, _: &Rewrap, _: &mut Window, cx: &mut Context<Self>) {
7029 self.rewrap_impl(IsVimMode::No, cx)
7030 }
7031
7032 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut Context<Self>) {
7033 let buffer = self.buffer.read(cx).snapshot(cx);
7034 let selections = self.selections.all::<Point>(cx);
7035 let mut selections = selections.iter().peekable();
7036
7037 let mut edits = Vec::new();
7038 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
7039
7040 while let Some(selection) = selections.next() {
7041 let mut start_row = selection.start.row;
7042 let mut end_row = selection.end.row;
7043
7044 // Skip selections that overlap with a range that has already been rewrapped.
7045 let selection_range = start_row..end_row;
7046 if rewrapped_row_ranges
7047 .iter()
7048 .any(|range| range.overlaps(&selection_range))
7049 {
7050 continue;
7051 }
7052
7053 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
7054
7055 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
7056 match language_scope.language_name().as_ref() {
7057 "Markdown" | "Plain Text" => {
7058 should_rewrap = true;
7059 }
7060 _ => {}
7061 }
7062 }
7063
7064 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
7065
7066 // Since not all lines in the selection may be at the same indent
7067 // level, choose the indent size that is the most common between all
7068 // of the lines.
7069 //
7070 // If there is a tie, we use the deepest indent.
7071 let (indent_size, indent_end) = {
7072 let mut indent_size_occurrences = HashMap::default();
7073 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
7074
7075 for row in start_row..=end_row {
7076 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
7077 rows_by_indent_size.entry(indent).or_default().push(row);
7078 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
7079 }
7080
7081 let indent_size = indent_size_occurrences
7082 .into_iter()
7083 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
7084 .map(|(indent, _)| indent)
7085 .unwrap_or_default();
7086 let row = rows_by_indent_size[&indent_size][0];
7087 let indent_end = Point::new(row, indent_size.len);
7088
7089 (indent_size, indent_end)
7090 };
7091
7092 let mut line_prefix = indent_size.chars().collect::<String>();
7093
7094 if let Some(comment_prefix) =
7095 buffer
7096 .language_scope_at(selection.head())
7097 .and_then(|language| {
7098 language
7099 .line_comment_prefixes()
7100 .iter()
7101 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
7102 .cloned()
7103 })
7104 {
7105 line_prefix.push_str(&comment_prefix);
7106 should_rewrap = true;
7107 }
7108
7109 if !should_rewrap {
7110 continue;
7111 }
7112
7113 if selection.is_empty() {
7114 'expand_upwards: while start_row > 0 {
7115 let prev_row = start_row - 1;
7116 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
7117 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
7118 {
7119 start_row = prev_row;
7120 } else {
7121 break 'expand_upwards;
7122 }
7123 }
7124
7125 'expand_downwards: while end_row < buffer.max_point().row {
7126 let next_row = end_row + 1;
7127 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
7128 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
7129 {
7130 end_row = next_row;
7131 } else {
7132 break 'expand_downwards;
7133 }
7134 }
7135 }
7136
7137 let start = Point::new(start_row, 0);
7138 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
7139 let selection_text = buffer.text_for_range(start..end).collect::<String>();
7140 let Some(lines_without_prefixes) = selection_text
7141 .lines()
7142 .map(|line| {
7143 line.strip_prefix(&line_prefix)
7144 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
7145 .ok_or_else(|| {
7146 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
7147 })
7148 })
7149 .collect::<Result<Vec<_>, _>>()
7150 .log_err()
7151 else {
7152 continue;
7153 };
7154
7155 let wrap_column = buffer
7156 .settings_at(Point::new(start_row, 0), cx)
7157 .preferred_line_length as usize;
7158 let wrapped_text = wrap_with_prefix(
7159 line_prefix,
7160 lines_without_prefixes.join(" "),
7161 wrap_column,
7162 tab_size,
7163 );
7164
7165 // TODO: should always use char-based diff while still supporting cursor behavior that
7166 // matches vim.
7167 let diff = match is_vim_mode {
7168 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
7169 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
7170 };
7171 let mut offset = start.to_offset(&buffer);
7172 let mut moved_since_edit = true;
7173
7174 for change in diff.iter_all_changes() {
7175 let value = change.value();
7176 match change.tag() {
7177 ChangeTag::Equal => {
7178 offset += value.len();
7179 moved_since_edit = true;
7180 }
7181 ChangeTag::Delete => {
7182 let start = buffer.anchor_after(offset);
7183 let end = buffer.anchor_before(offset + value.len());
7184
7185 if moved_since_edit {
7186 edits.push((start..end, String::new()));
7187 } else {
7188 edits.last_mut().unwrap().0.end = end;
7189 }
7190
7191 offset += value.len();
7192 moved_since_edit = false;
7193 }
7194 ChangeTag::Insert => {
7195 if moved_since_edit {
7196 let anchor = buffer.anchor_after(offset);
7197 edits.push((anchor..anchor, value.to_string()));
7198 } else {
7199 edits.last_mut().unwrap().1.push_str(value);
7200 }
7201
7202 moved_since_edit = false;
7203 }
7204 }
7205 }
7206
7207 rewrapped_row_ranges.push(start_row..=end_row);
7208 }
7209
7210 self.buffer
7211 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
7212 }
7213
7214 pub fn cut_common(&mut self, window: &mut Window, cx: &mut Context<Self>) -> ClipboardItem {
7215 let mut text = String::new();
7216 let buffer = self.buffer.read(cx).snapshot(cx);
7217 let mut selections = self.selections.all::<Point>(cx);
7218 let mut clipboard_selections = Vec::with_capacity(selections.len());
7219 {
7220 let max_point = buffer.max_point();
7221 let mut is_first = true;
7222 for selection in &mut selections {
7223 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7224 if is_entire_line {
7225 selection.start = Point::new(selection.start.row, 0);
7226 if !selection.is_empty() && selection.end.column == 0 {
7227 selection.end = cmp::min(max_point, selection.end);
7228 } else {
7229 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
7230 }
7231 selection.goal = SelectionGoal::None;
7232 }
7233 if is_first {
7234 is_first = false;
7235 } else {
7236 text += "\n";
7237 }
7238 let mut len = 0;
7239 for chunk in buffer.text_for_range(selection.start..selection.end) {
7240 text.push_str(chunk);
7241 len += chunk.len();
7242 }
7243 clipboard_selections.push(ClipboardSelection {
7244 len,
7245 is_entire_line,
7246 first_line_indent: buffer
7247 .indent_size_for_line(MultiBufferRow(selection.start.row))
7248 .len,
7249 });
7250 }
7251 }
7252
7253 self.transact(window, cx, |this, window, cx| {
7254 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7255 s.select(selections);
7256 });
7257 this.insert("", window, cx);
7258 });
7259 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
7260 }
7261
7262 pub fn cut(&mut self, _: &Cut, window: &mut Window, cx: &mut Context<Self>) {
7263 let item = self.cut_common(window, cx);
7264 cx.write_to_clipboard(item);
7265 }
7266
7267 pub fn kill_ring_cut(&mut self, _: &KillRingCut, window: &mut Window, cx: &mut Context<Self>) {
7268 self.change_selections(None, window, cx, |s| {
7269 s.move_with(|snapshot, sel| {
7270 if sel.is_empty() {
7271 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
7272 }
7273 });
7274 });
7275 let item = self.cut_common(window, cx);
7276 cx.set_global(KillRing(item))
7277 }
7278
7279 pub fn kill_ring_yank(
7280 &mut self,
7281 _: &KillRingYank,
7282 window: &mut Window,
7283 cx: &mut Context<Self>,
7284 ) {
7285 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
7286 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
7287 (kill_ring.text().to_string(), kill_ring.metadata_json())
7288 } else {
7289 return;
7290 }
7291 } else {
7292 return;
7293 };
7294 self.do_paste(&text, metadata, false, window, cx);
7295 }
7296
7297 pub fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
7298 let selections = self.selections.all::<Point>(cx);
7299 let buffer = self.buffer.read(cx).read(cx);
7300 let mut text = String::new();
7301
7302 let mut clipboard_selections = Vec::with_capacity(selections.len());
7303 {
7304 let max_point = buffer.max_point();
7305 let mut is_first = true;
7306 for selection in selections.iter() {
7307 let mut start = selection.start;
7308 let mut end = selection.end;
7309 let is_entire_line = selection.is_empty() || self.selections.line_mode;
7310 if is_entire_line {
7311 start = Point::new(start.row, 0);
7312 end = cmp::min(max_point, Point::new(end.row + 1, 0));
7313 }
7314 if is_first {
7315 is_first = false;
7316 } else {
7317 text += "\n";
7318 }
7319 let mut len = 0;
7320 for chunk in buffer.text_for_range(start..end) {
7321 text.push_str(chunk);
7322 len += chunk.len();
7323 }
7324 clipboard_selections.push(ClipboardSelection {
7325 len,
7326 is_entire_line,
7327 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
7328 });
7329 }
7330 }
7331
7332 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
7333 text,
7334 clipboard_selections,
7335 ));
7336 }
7337
7338 pub fn do_paste(
7339 &mut self,
7340 text: &String,
7341 clipboard_selections: Option<Vec<ClipboardSelection>>,
7342 handle_entire_lines: bool,
7343 window: &mut Window,
7344 cx: &mut Context<Self>,
7345 ) {
7346 if self.read_only(cx) {
7347 return;
7348 }
7349
7350 let clipboard_text = Cow::Borrowed(text);
7351
7352 self.transact(window, cx, |this, window, cx| {
7353 if let Some(mut clipboard_selections) = clipboard_selections {
7354 let old_selections = this.selections.all::<usize>(cx);
7355 let all_selections_were_entire_line =
7356 clipboard_selections.iter().all(|s| s.is_entire_line);
7357 let first_selection_indent_column =
7358 clipboard_selections.first().map(|s| s.first_line_indent);
7359 if clipboard_selections.len() != old_selections.len() {
7360 clipboard_selections.drain(..);
7361 }
7362 let cursor_offset = this.selections.last::<usize>(cx).head();
7363 let mut auto_indent_on_paste = true;
7364
7365 this.buffer.update(cx, |buffer, cx| {
7366 let snapshot = buffer.read(cx);
7367 auto_indent_on_paste =
7368 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
7369
7370 let mut start_offset = 0;
7371 let mut edits = Vec::new();
7372 let mut original_indent_columns = Vec::new();
7373 for (ix, selection) in old_selections.iter().enumerate() {
7374 let to_insert;
7375 let entire_line;
7376 let original_indent_column;
7377 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
7378 let end_offset = start_offset + clipboard_selection.len;
7379 to_insert = &clipboard_text[start_offset..end_offset];
7380 entire_line = clipboard_selection.is_entire_line;
7381 start_offset = end_offset + 1;
7382 original_indent_column = Some(clipboard_selection.first_line_indent);
7383 } else {
7384 to_insert = clipboard_text.as_str();
7385 entire_line = all_selections_were_entire_line;
7386 original_indent_column = first_selection_indent_column
7387 }
7388
7389 // If the corresponding selection was empty when this slice of the
7390 // clipboard text was written, then the entire line containing the
7391 // selection was copied. If this selection is also currently empty,
7392 // then paste the line before the current line of the buffer.
7393 let range = if selection.is_empty() && handle_entire_lines && entire_line {
7394 let column = selection.start.to_point(&snapshot).column as usize;
7395 let line_start = selection.start - column;
7396 line_start..line_start
7397 } else {
7398 selection.range()
7399 };
7400
7401 edits.push((range, to_insert));
7402 original_indent_columns.extend(original_indent_column);
7403 }
7404 drop(snapshot);
7405
7406 buffer.edit(
7407 edits,
7408 if auto_indent_on_paste {
7409 Some(AutoindentMode::Block {
7410 original_indent_columns,
7411 })
7412 } else {
7413 None
7414 },
7415 cx,
7416 );
7417 });
7418
7419 let selections = this.selections.all::<usize>(cx);
7420 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7421 s.select(selections)
7422 });
7423 } else {
7424 this.insert(&clipboard_text, window, cx);
7425 }
7426 });
7427 }
7428
7429 pub fn paste(&mut self, _: &Paste, window: &mut Window, cx: &mut Context<Self>) {
7430 if let Some(item) = cx.read_from_clipboard() {
7431 let entries = item.entries();
7432
7433 match entries.first() {
7434 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7435 // of all the pasted entries.
7436 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7437 .do_paste(
7438 clipboard_string.text(),
7439 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7440 true,
7441 window,
7442 cx,
7443 ),
7444 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, window, cx),
7445 }
7446 }
7447 }
7448
7449 pub fn undo(&mut self, _: &Undo, window: &mut Window, cx: &mut Context<Self>) {
7450 if self.read_only(cx) {
7451 return;
7452 }
7453
7454 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7455 if let Some((selections, _)) =
7456 self.selection_history.transaction(transaction_id).cloned()
7457 {
7458 self.change_selections(None, window, cx, |s| {
7459 s.select_anchors(selections.to_vec());
7460 });
7461 }
7462 self.request_autoscroll(Autoscroll::fit(), cx);
7463 self.unmark_text(window, cx);
7464 self.refresh_inline_completion(true, false, window, cx);
7465 cx.emit(EditorEvent::Edited { transaction_id });
7466 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7467 }
7468 }
7469
7470 pub fn redo(&mut self, _: &Redo, window: &mut Window, cx: &mut Context<Self>) {
7471 if self.read_only(cx) {
7472 return;
7473 }
7474
7475 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7476 if let Some((_, Some(selections))) =
7477 self.selection_history.transaction(transaction_id).cloned()
7478 {
7479 self.change_selections(None, window, cx, |s| {
7480 s.select_anchors(selections.to_vec());
7481 });
7482 }
7483 self.request_autoscroll(Autoscroll::fit(), cx);
7484 self.unmark_text(window, cx);
7485 self.refresh_inline_completion(true, false, window, cx);
7486 cx.emit(EditorEvent::Edited { transaction_id });
7487 }
7488 }
7489
7490 pub fn finalize_last_transaction(&mut self, cx: &mut Context<Self>) {
7491 self.buffer
7492 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7493 }
7494
7495 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut Context<Self>) {
7496 self.buffer
7497 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7498 }
7499
7500 pub fn move_left(&mut self, _: &MoveLeft, window: &mut Window, cx: &mut Context<Self>) {
7501 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7502 let line_mode = s.line_mode;
7503 s.move_with(|map, selection| {
7504 let cursor = if selection.is_empty() && !line_mode {
7505 movement::left(map, selection.start)
7506 } else {
7507 selection.start
7508 };
7509 selection.collapse_to(cursor, SelectionGoal::None);
7510 });
7511 })
7512 }
7513
7514 pub fn select_left(&mut self, _: &SelectLeft, window: &mut Window, cx: &mut Context<Self>) {
7515 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7516 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7517 })
7518 }
7519
7520 pub fn move_right(&mut self, _: &MoveRight, window: &mut Window, cx: &mut Context<Self>) {
7521 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7522 let line_mode = s.line_mode;
7523 s.move_with(|map, selection| {
7524 let cursor = if selection.is_empty() && !line_mode {
7525 movement::right(map, selection.end)
7526 } else {
7527 selection.end
7528 };
7529 selection.collapse_to(cursor, SelectionGoal::None)
7530 });
7531 })
7532 }
7533
7534 pub fn select_right(&mut self, _: &SelectRight, window: &mut Window, cx: &mut Context<Self>) {
7535 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7536 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
7537 })
7538 }
7539
7540 pub fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
7541 if self.take_rename(true, window, cx).is_some() {
7542 return;
7543 }
7544
7545 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7546 cx.propagate();
7547 return;
7548 }
7549
7550 let text_layout_details = &self.text_layout_details(window);
7551 let selection_count = self.selections.count();
7552 let first_selection = self.selections.first_anchor();
7553
7554 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7555 let line_mode = s.line_mode;
7556 s.move_with(|map, selection| {
7557 if !selection.is_empty() && !line_mode {
7558 selection.goal = SelectionGoal::None;
7559 }
7560 let (cursor, goal) = movement::up(
7561 map,
7562 selection.start,
7563 selection.goal,
7564 false,
7565 text_layout_details,
7566 );
7567 selection.collapse_to(cursor, goal);
7568 });
7569 });
7570
7571 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7572 {
7573 cx.propagate();
7574 }
7575 }
7576
7577 pub fn move_up_by_lines(
7578 &mut self,
7579 action: &MoveUpByLines,
7580 window: &mut Window,
7581 cx: &mut Context<Self>,
7582 ) {
7583 if self.take_rename(true, window, cx).is_some() {
7584 return;
7585 }
7586
7587 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7588 cx.propagate();
7589 return;
7590 }
7591
7592 let text_layout_details = &self.text_layout_details(window);
7593
7594 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7595 let line_mode = s.line_mode;
7596 s.move_with(|map, selection| {
7597 if !selection.is_empty() && !line_mode {
7598 selection.goal = SelectionGoal::None;
7599 }
7600 let (cursor, goal) = movement::up_by_rows(
7601 map,
7602 selection.start,
7603 action.lines,
7604 selection.goal,
7605 false,
7606 text_layout_details,
7607 );
7608 selection.collapse_to(cursor, goal);
7609 });
7610 })
7611 }
7612
7613 pub fn move_down_by_lines(
7614 &mut self,
7615 action: &MoveDownByLines,
7616 window: &mut Window,
7617 cx: &mut Context<Self>,
7618 ) {
7619 if self.take_rename(true, window, cx).is_some() {
7620 return;
7621 }
7622
7623 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7624 cx.propagate();
7625 return;
7626 }
7627
7628 let text_layout_details = &self.text_layout_details(window);
7629
7630 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7631 let line_mode = s.line_mode;
7632 s.move_with(|map, selection| {
7633 if !selection.is_empty() && !line_mode {
7634 selection.goal = SelectionGoal::None;
7635 }
7636 let (cursor, goal) = movement::down_by_rows(
7637 map,
7638 selection.start,
7639 action.lines,
7640 selection.goal,
7641 false,
7642 text_layout_details,
7643 );
7644 selection.collapse_to(cursor, goal);
7645 });
7646 })
7647 }
7648
7649 pub fn select_down_by_lines(
7650 &mut self,
7651 action: &SelectDownByLines,
7652 window: &mut Window,
7653 cx: &mut Context<Self>,
7654 ) {
7655 let text_layout_details = &self.text_layout_details(window);
7656 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7657 s.move_heads_with(|map, head, goal| {
7658 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
7659 })
7660 })
7661 }
7662
7663 pub fn select_up_by_lines(
7664 &mut self,
7665 action: &SelectUpByLines,
7666 window: &mut Window,
7667 cx: &mut Context<Self>,
7668 ) {
7669 let text_layout_details = &self.text_layout_details(window);
7670 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7671 s.move_heads_with(|map, head, goal| {
7672 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
7673 })
7674 })
7675 }
7676
7677 pub fn select_page_up(
7678 &mut self,
7679 _: &SelectPageUp,
7680 window: &mut Window,
7681 cx: &mut Context<Self>,
7682 ) {
7683 let Some(row_count) = self.visible_row_count() else {
7684 return;
7685 };
7686
7687 let text_layout_details = &self.text_layout_details(window);
7688
7689 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7690 s.move_heads_with(|map, head, goal| {
7691 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
7692 })
7693 })
7694 }
7695
7696 pub fn move_page_up(
7697 &mut self,
7698 action: &MovePageUp,
7699 window: &mut Window,
7700 cx: &mut Context<Self>,
7701 ) {
7702 if self.take_rename(true, window, cx).is_some() {
7703 return;
7704 }
7705
7706 if self
7707 .context_menu
7708 .borrow_mut()
7709 .as_mut()
7710 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
7711 .unwrap_or(false)
7712 {
7713 return;
7714 }
7715
7716 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7717 cx.propagate();
7718 return;
7719 }
7720
7721 let Some(row_count) = self.visible_row_count() else {
7722 return;
7723 };
7724
7725 let autoscroll = if action.center_cursor {
7726 Autoscroll::center()
7727 } else {
7728 Autoscroll::fit()
7729 };
7730
7731 let text_layout_details = &self.text_layout_details(window);
7732
7733 self.change_selections(Some(autoscroll), window, cx, |s| {
7734 let line_mode = s.line_mode;
7735 s.move_with(|map, selection| {
7736 if !selection.is_empty() && !line_mode {
7737 selection.goal = SelectionGoal::None;
7738 }
7739 let (cursor, goal) = movement::up_by_rows(
7740 map,
7741 selection.end,
7742 row_count,
7743 selection.goal,
7744 false,
7745 text_layout_details,
7746 );
7747 selection.collapse_to(cursor, goal);
7748 });
7749 });
7750 }
7751
7752 pub fn select_up(&mut self, _: &SelectUp, window: &mut Window, cx: &mut Context<Self>) {
7753 let text_layout_details = &self.text_layout_details(window);
7754 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7755 s.move_heads_with(|map, head, goal| {
7756 movement::up(map, head, goal, false, text_layout_details)
7757 })
7758 })
7759 }
7760
7761 pub fn move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
7762 self.take_rename(true, window, cx);
7763
7764 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7765 cx.propagate();
7766 return;
7767 }
7768
7769 let text_layout_details = &self.text_layout_details(window);
7770 let selection_count = self.selections.count();
7771 let first_selection = self.selections.first_anchor();
7772
7773 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7774 let line_mode = s.line_mode;
7775 s.move_with(|map, selection| {
7776 if !selection.is_empty() && !line_mode {
7777 selection.goal = SelectionGoal::None;
7778 }
7779 let (cursor, goal) = movement::down(
7780 map,
7781 selection.end,
7782 selection.goal,
7783 false,
7784 text_layout_details,
7785 );
7786 selection.collapse_to(cursor, goal);
7787 });
7788 });
7789
7790 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7791 {
7792 cx.propagate();
7793 }
7794 }
7795
7796 pub fn select_page_down(
7797 &mut self,
7798 _: &SelectPageDown,
7799 window: &mut Window,
7800 cx: &mut Context<Self>,
7801 ) {
7802 let Some(row_count) = self.visible_row_count() else {
7803 return;
7804 };
7805
7806 let text_layout_details = &self.text_layout_details(window);
7807
7808 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7809 s.move_heads_with(|map, head, goal| {
7810 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
7811 })
7812 })
7813 }
7814
7815 pub fn move_page_down(
7816 &mut self,
7817 action: &MovePageDown,
7818 window: &mut Window,
7819 cx: &mut Context<Self>,
7820 ) {
7821 if self.take_rename(true, window, cx).is_some() {
7822 return;
7823 }
7824
7825 if self
7826 .context_menu
7827 .borrow_mut()
7828 .as_mut()
7829 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
7830 .unwrap_or(false)
7831 {
7832 return;
7833 }
7834
7835 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7836 cx.propagate();
7837 return;
7838 }
7839
7840 let Some(row_count) = self.visible_row_count() else {
7841 return;
7842 };
7843
7844 let autoscroll = if action.center_cursor {
7845 Autoscroll::center()
7846 } else {
7847 Autoscroll::fit()
7848 };
7849
7850 let text_layout_details = &self.text_layout_details(window);
7851 self.change_selections(Some(autoscroll), window, cx, |s| {
7852 let line_mode = s.line_mode;
7853 s.move_with(|map, selection| {
7854 if !selection.is_empty() && !line_mode {
7855 selection.goal = SelectionGoal::None;
7856 }
7857 let (cursor, goal) = movement::down_by_rows(
7858 map,
7859 selection.end,
7860 row_count,
7861 selection.goal,
7862 false,
7863 text_layout_details,
7864 );
7865 selection.collapse_to(cursor, goal);
7866 });
7867 });
7868 }
7869
7870 pub fn select_down(&mut self, _: &SelectDown, window: &mut Window, cx: &mut Context<Self>) {
7871 let text_layout_details = &self.text_layout_details(window);
7872 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7873 s.move_heads_with(|map, head, goal| {
7874 movement::down(map, head, goal, false, text_layout_details)
7875 })
7876 });
7877 }
7878
7879 pub fn context_menu_first(
7880 &mut self,
7881 _: &ContextMenuFirst,
7882 _window: &mut Window,
7883 cx: &mut Context<Self>,
7884 ) {
7885 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7886 context_menu.select_first(self.completion_provider.as_deref(), cx);
7887 }
7888 }
7889
7890 pub fn context_menu_prev(
7891 &mut self,
7892 _: &ContextMenuPrev,
7893 _window: &mut Window,
7894 cx: &mut Context<Self>,
7895 ) {
7896 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7897 context_menu.select_prev(self.completion_provider.as_deref(), cx);
7898 }
7899 }
7900
7901 pub fn context_menu_next(
7902 &mut self,
7903 _: &ContextMenuNext,
7904 _window: &mut Window,
7905 cx: &mut Context<Self>,
7906 ) {
7907 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7908 context_menu.select_next(self.completion_provider.as_deref(), cx);
7909 }
7910 }
7911
7912 pub fn context_menu_last(
7913 &mut self,
7914 _: &ContextMenuLast,
7915 _window: &mut Window,
7916 cx: &mut Context<Self>,
7917 ) {
7918 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7919 context_menu.select_last(self.completion_provider.as_deref(), cx);
7920 }
7921 }
7922
7923 pub fn move_to_previous_word_start(
7924 &mut self,
7925 _: &MoveToPreviousWordStart,
7926 window: &mut Window,
7927 cx: &mut Context<Self>,
7928 ) {
7929 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7930 s.move_cursors_with(|map, head, _| {
7931 (
7932 movement::previous_word_start(map, head),
7933 SelectionGoal::None,
7934 )
7935 });
7936 })
7937 }
7938
7939 pub fn move_to_previous_subword_start(
7940 &mut self,
7941 _: &MoveToPreviousSubwordStart,
7942 window: &mut Window,
7943 cx: &mut Context<Self>,
7944 ) {
7945 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7946 s.move_cursors_with(|map, head, _| {
7947 (
7948 movement::previous_subword_start(map, head),
7949 SelectionGoal::None,
7950 )
7951 });
7952 })
7953 }
7954
7955 pub fn select_to_previous_word_start(
7956 &mut self,
7957 _: &SelectToPreviousWordStart,
7958 window: &mut Window,
7959 cx: &mut Context<Self>,
7960 ) {
7961 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7962 s.move_heads_with(|map, head, _| {
7963 (
7964 movement::previous_word_start(map, head),
7965 SelectionGoal::None,
7966 )
7967 });
7968 })
7969 }
7970
7971 pub fn select_to_previous_subword_start(
7972 &mut self,
7973 _: &SelectToPreviousSubwordStart,
7974 window: &mut Window,
7975 cx: &mut Context<Self>,
7976 ) {
7977 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7978 s.move_heads_with(|map, head, _| {
7979 (
7980 movement::previous_subword_start(map, head),
7981 SelectionGoal::None,
7982 )
7983 });
7984 })
7985 }
7986
7987 pub fn delete_to_previous_word_start(
7988 &mut self,
7989 action: &DeleteToPreviousWordStart,
7990 window: &mut Window,
7991 cx: &mut Context<Self>,
7992 ) {
7993 self.transact(window, cx, |this, window, cx| {
7994 this.select_autoclose_pair(window, cx);
7995 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
7996 let line_mode = s.line_mode;
7997 s.move_with(|map, selection| {
7998 if selection.is_empty() && !line_mode {
7999 let cursor = if action.ignore_newlines {
8000 movement::previous_word_start(map, selection.head())
8001 } else {
8002 movement::previous_word_start_or_newline(map, selection.head())
8003 };
8004 selection.set_head(cursor, SelectionGoal::None);
8005 }
8006 });
8007 });
8008 this.insert("", window, cx);
8009 });
8010 }
8011
8012 pub fn delete_to_previous_subword_start(
8013 &mut self,
8014 _: &DeleteToPreviousSubwordStart,
8015 window: &mut Window,
8016 cx: &mut Context<Self>,
8017 ) {
8018 self.transact(window, cx, |this, window, cx| {
8019 this.select_autoclose_pair(window, cx);
8020 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8021 let line_mode = s.line_mode;
8022 s.move_with(|map, selection| {
8023 if selection.is_empty() && !line_mode {
8024 let cursor = movement::previous_subword_start(map, selection.head());
8025 selection.set_head(cursor, SelectionGoal::None);
8026 }
8027 });
8028 });
8029 this.insert("", window, cx);
8030 });
8031 }
8032
8033 pub fn move_to_next_word_end(
8034 &mut self,
8035 _: &MoveToNextWordEnd,
8036 window: &mut Window,
8037 cx: &mut Context<Self>,
8038 ) {
8039 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8040 s.move_cursors_with(|map, head, _| {
8041 (movement::next_word_end(map, head), SelectionGoal::None)
8042 });
8043 })
8044 }
8045
8046 pub fn move_to_next_subword_end(
8047 &mut self,
8048 _: &MoveToNextSubwordEnd,
8049 window: &mut Window,
8050 cx: &mut Context<Self>,
8051 ) {
8052 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8053 s.move_cursors_with(|map, head, _| {
8054 (movement::next_subword_end(map, head), SelectionGoal::None)
8055 });
8056 })
8057 }
8058
8059 pub fn select_to_next_word_end(
8060 &mut self,
8061 _: &SelectToNextWordEnd,
8062 window: &mut Window,
8063 cx: &mut Context<Self>,
8064 ) {
8065 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8066 s.move_heads_with(|map, head, _| {
8067 (movement::next_word_end(map, head), SelectionGoal::None)
8068 });
8069 })
8070 }
8071
8072 pub fn select_to_next_subword_end(
8073 &mut self,
8074 _: &SelectToNextSubwordEnd,
8075 window: &mut Window,
8076 cx: &mut Context<Self>,
8077 ) {
8078 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8079 s.move_heads_with(|map, head, _| {
8080 (movement::next_subword_end(map, head), SelectionGoal::None)
8081 });
8082 })
8083 }
8084
8085 pub fn delete_to_next_word_end(
8086 &mut self,
8087 action: &DeleteToNextWordEnd,
8088 window: &mut Window,
8089 cx: &mut Context<Self>,
8090 ) {
8091 self.transact(window, cx, |this, window, cx| {
8092 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8093 let line_mode = s.line_mode;
8094 s.move_with(|map, selection| {
8095 if selection.is_empty() && !line_mode {
8096 let cursor = if action.ignore_newlines {
8097 movement::next_word_end(map, selection.head())
8098 } else {
8099 movement::next_word_end_or_newline(map, selection.head())
8100 };
8101 selection.set_head(cursor, SelectionGoal::None);
8102 }
8103 });
8104 });
8105 this.insert("", window, cx);
8106 });
8107 }
8108
8109 pub fn delete_to_next_subword_end(
8110 &mut self,
8111 _: &DeleteToNextSubwordEnd,
8112 window: &mut Window,
8113 cx: &mut Context<Self>,
8114 ) {
8115 self.transact(window, cx, |this, window, cx| {
8116 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8117 s.move_with(|map, selection| {
8118 if selection.is_empty() {
8119 let cursor = movement::next_subword_end(map, selection.head());
8120 selection.set_head(cursor, SelectionGoal::None);
8121 }
8122 });
8123 });
8124 this.insert("", window, cx);
8125 });
8126 }
8127
8128 pub fn move_to_beginning_of_line(
8129 &mut self,
8130 action: &MoveToBeginningOfLine,
8131 window: &mut Window,
8132 cx: &mut Context<Self>,
8133 ) {
8134 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8135 s.move_cursors_with(|map, head, _| {
8136 (
8137 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8138 SelectionGoal::None,
8139 )
8140 });
8141 })
8142 }
8143
8144 pub fn select_to_beginning_of_line(
8145 &mut self,
8146 action: &SelectToBeginningOfLine,
8147 window: &mut Window,
8148 cx: &mut Context<Self>,
8149 ) {
8150 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8151 s.move_heads_with(|map, head, _| {
8152 (
8153 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
8154 SelectionGoal::None,
8155 )
8156 });
8157 });
8158 }
8159
8160 pub fn delete_to_beginning_of_line(
8161 &mut self,
8162 _: &DeleteToBeginningOfLine,
8163 window: &mut Window,
8164 cx: &mut Context<Self>,
8165 ) {
8166 self.transact(window, cx, |this, window, cx| {
8167 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8168 s.move_with(|_, selection| {
8169 selection.reversed = true;
8170 });
8171 });
8172
8173 this.select_to_beginning_of_line(
8174 &SelectToBeginningOfLine {
8175 stop_at_soft_wraps: false,
8176 },
8177 window,
8178 cx,
8179 );
8180 this.backspace(&Backspace, window, cx);
8181 });
8182 }
8183
8184 pub fn move_to_end_of_line(
8185 &mut self,
8186 action: &MoveToEndOfLine,
8187 window: &mut Window,
8188 cx: &mut Context<Self>,
8189 ) {
8190 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8191 s.move_cursors_with(|map, head, _| {
8192 (
8193 movement::line_end(map, head, action.stop_at_soft_wraps),
8194 SelectionGoal::None,
8195 )
8196 });
8197 })
8198 }
8199
8200 pub fn select_to_end_of_line(
8201 &mut self,
8202 action: &SelectToEndOfLine,
8203 window: &mut Window,
8204 cx: &mut Context<Self>,
8205 ) {
8206 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8207 s.move_heads_with(|map, head, _| {
8208 (
8209 movement::line_end(map, head, action.stop_at_soft_wraps),
8210 SelectionGoal::None,
8211 )
8212 });
8213 })
8214 }
8215
8216 pub fn delete_to_end_of_line(
8217 &mut self,
8218 _: &DeleteToEndOfLine,
8219 window: &mut Window,
8220 cx: &mut Context<Self>,
8221 ) {
8222 self.transact(window, cx, |this, window, cx| {
8223 this.select_to_end_of_line(
8224 &SelectToEndOfLine {
8225 stop_at_soft_wraps: false,
8226 },
8227 window,
8228 cx,
8229 );
8230 this.delete(&Delete, window, cx);
8231 });
8232 }
8233
8234 pub fn cut_to_end_of_line(
8235 &mut self,
8236 _: &CutToEndOfLine,
8237 window: &mut Window,
8238 cx: &mut Context<Self>,
8239 ) {
8240 self.transact(window, cx, |this, window, cx| {
8241 this.select_to_end_of_line(
8242 &SelectToEndOfLine {
8243 stop_at_soft_wraps: false,
8244 },
8245 window,
8246 cx,
8247 );
8248 this.cut(&Cut, window, cx);
8249 });
8250 }
8251
8252 pub fn move_to_start_of_paragraph(
8253 &mut self,
8254 _: &MoveToStartOfParagraph,
8255 window: &mut Window,
8256 cx: &mut Context<Self>,
8257 ) {
8258 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8259 cx.propagate();
8260 return;
8261 }
8262
8263 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8264 s.move_with(|map, selection| {
8265 selection.collapse_to(
8266 movement::start_of_paragraph(map, selection.head(), 1),
8267 SelectionGoal::None,
8268 )
8269 });
8270 })
8271 }
8272
8273 pub fn move_to_end_of_paragraph(
8274 &mut self,
8275 _: &MoveToEndOfParagraph,
8276 window: &mut Window,
8277 cx: &mut Context<Self>,
8278 ) {
8279 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8280 cx.propagate();
8281 return;
8282 }
8283
8284 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8285 s.move_with(|map, selection| {
8286 selection.collapse_to(
8287 movement::end_of_paragraph(map, selection.head(), 1),
8288 SelectionGoal::None,
8289 )
8290 });
8291 })
8292 }
8293
8294 pub fn select_to_start_of_paragraph(
8295 &mut self,
8296 _: &SelectToStartOfParagraph,
8297 window: &mut Window,
8298 cx: &mut Context<Self>,
8299 ) {
8300 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8301 cx.propagate();
8302 return;
8303 }
8304
8305 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8306 s.move_heads_with(|map, head, _| {
8307 (
8308 movement::start_of_paragraph(map, head, 1),
8309 SelectionGoal::None,
8310 )
8311 });
8312 })
8313 }
8314
8315 pub fn select_to_end_of_paragraph(
8316 &mut self,
8317 _: &SelectToEndOfParagraph,
8318 window: &mut Window,
8319 cx: &mut Context<Self>,
8320 ) {
8321 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8322 cx.propagate();
8323 return;
8324 }
8325
8326 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8327 s.move_heads_with(|map, head, _| {
8328 (
8329 movement::end_of_paragraph(map, head, 1),
8330 SelectionGoal::None,
8331 )
8332 });
8333 })
8334 }
8335
8336 pub fn move_to_beginning(
8337 &mut self,
8338 _: &MoveToBeginning,
8339 window: &mut Window,
8340 cx: &mut Context<Self>,
8341 ) {
8342 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8343 cx.propagate();
8344 return;
8345 }
8346
8347 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8348 s.select_ranges(vec![0..0]);
8349 });
8350 }
8351
8352 pub fn select_to_beginning(
8353 &mut self,
8354 _: &SelectToBeginning,
8355 window: &mut Window,
8356 cx: &mut Context<Self>,
8357 ) {
8358 let mut selection = self.selections.last::<Point>(cx);
8359 selection.set_head(Point::zero(), SelectionGoal::None);
8360
8361 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8362 s.select(vec![selection]);
8363 });
8364 }
8365
8366 pub fn move_to_end(&mut self, _: &MoveToEnd, window: &mut Window, cx: &mut Context<Self>) {
8367 if matches!(self.mode, EditorMode::SingleLine { .. }) {
8368 cx.propagate();
8369 return;
8370 }
8371
8372 let cursor = self.buffer.read(cx).read(cx).len();
8373 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8374 s.select_ranges(vec![cursor..cursor])
8375 });
8376 }
8377
8378 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
8379 self.nav_history = nav_history;
8380 }
8381
8382 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
8383 self.nav_history.as_ref()
8384 }
8385
8386 fn push_to_nav_history(
8387 &mut self,
8388 cursor_anchor: Anchor,
8389 new_position: Option<Point>,
8390 cx: &mut Context<Self>,
8391 ) {
8392 if let Some(nav_history) = self.nav_history.as_mut() {
8393 let buffer = self.buffer.read(cx).read(cx);
8394 let cursor_position = cursor_anchor.to_point(&buffer);
8395 let scroll_state = self.scroll_manager.anchor();
8396 let scroll_top_row = scroll_state.top_row(&buffer);
8397 drop(buffer);
8398
8399 if let Some(new_position) = new_position {
8400 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
8401 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
8402 return;
8403 }
8404 }
8405
8406 nav_history.push(
8407 Some(NavigationData {
8408 cursor_anchor,
8409 cursor_position,
8410 scroll_anchor: scroll_state,
8411 scroll_top_row,
8412 }),
8413 cx,
8414 );
8415 }
8416 }
8417
8418 pub fn select_to_end(&mut self, _: &SelectToEnd, window: &mut Window, cx: &mut Context<Self>) {
8419 let buffer = self.buffer.read(cx).snapshot(cx);
8420 let mut selection = self.selections.first::<usize>(cx);
8421 selection.set_head(buffer.len(), SelectionGoal::None);
8422 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8423 s.select(vec![selection]);
8424 });
8425 }
8426
8427 pub fn select_all(&mut self, _: &SelectAll, window: &mut Window, cx: &mut Context<Self>) {
8428 let end = self.buffer.read(cx).read(cx).len();
8429 self.change_selections(None, window, cx, |s| {
8430 s.select_ranges(vec![0..end]);
8431 });
8432 }
8433
8434 pub fn select_line(&mut self, _: &SelectLine, window: &mut Window, cx: &mut Context<Self>) {
8435 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8436 let mut selections = self.selections.all::<Point>(cx);
8437 let max_point = display_map.buffer_snapshot.max_point();
8438 for selection in &mut selections {
8439 let rows = selection.spanned_rows(true, &display_map);
8440 selection.start = Point::new(rows.start.0, 0);
8441 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
8442 selection.reversed = false;
8443 }
8444 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8445 s.select(selections);
8446 });
8447 }
8448
8449 pub fn split_selection_into_lines(
8450 &mut self,
8451 _: &SplitSelectionIntoLines,
8452 window: &mut Window,
8453 cx: &mut Context<Self>,
8454 ) {
8455 let mut to_unfold = Vec::new();
8456 let mut new_selection_ranges = Vec::new();
8457 {
8458 let selections = self.selections.all::<Point>(cx);
8459 let buffer = self.buffer.read(cx).read(cx);
8460 for selection in selections {
8461 for row in selection.start.row..selection.end.row {
8462 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
8463 new_selection_ranges.push(cursor..cursor);
8464 }
8465 new_selection_ranges.push(selection.end..selection.end);
8466 to_unfold.push(selection.start..selection.end);
8467 }
8468 }
8469 self.unfold_ranges(&to_unfold, true, true, cx);
8470 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8471 s.select_ranges(new_selection_ranges);
8472 });
8473 }
8474
8475 pub fn add_selection_above(
8476 &mut self,
8477 _: &AddSelectionAbove,
8478 window: &mut Window,
8479 cx: &mut Context<Self>,
8480 ) {
8481 self.add_selection(true, window, cx);
8482 }
8483
8484 pub fn add_selection_below(
8485 &mut self,
8486 _: &AddSelectionBelow,
8487 window: &mut Window,
8488 cx: &mut Context<Self>,
8489 ) {
8490 self.add_selection(false, window, cx);
8491 }
8492
8493 fn add_selection(&mut self, above: bool, window: &mut Window, cx: &mut Context<Self>) {
8494 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8495 let mut selections = self.selections.all::<Point>(cx);
8496 let text_layout_details = self.text_layout_details(window);
8497 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
8498 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
8499 let range = oldest_selection.display_range(&display_map).sorted();
8500
8501 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
8502 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
8503 let positions = start_x.min(end_x)..start_x.max(end_x);
8504
8505 selections.clear();
8506 let mut stack = Vec::new();
8507 for row in range.start.row().0..=range.end.row().0 {
8508 if let Some(selection) = self.selections.build_columnar_selection(
8509 &display_map,
8510 DisplayRow(row),
8511 &positions,
8512 oldest_selection.reversed,
8513 &text_layout_details,
8514 ) {
8515 stack.push(selection.id);
8516 selections.push(selection);
8517 }
8518 }
8519
8520 if above {
8521 stack.reverse();
8522 }
8523
8524 AddSelectionsState { above, stack }
8525 });
8526
8527 let last_added_selection = *state.stack.last().unwrap();
8528 let mut new_selections = Vec::new();
8529 if above == state.above {
8530 let end_row = if above {
8531 DisplayRow(0)
8532 } else {
8533 display_map.max_point().row()
8534 };
8535
8536 'outer: for selection in selections {
8537 if selection.id == last_added_selection {
8538 let range = selection.display_range(&display_map).sorted();
8539 debug_assert_eq!(range.start.row(), range.end.row());
8540 let mut row = range.start.row();
8541 let positions =
8542 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
8543 px(start)..px(end)
8544 } else {
8545 let start_x =
8546 display_map.x_for_display_point(range.start, &text_layout_details);
8547 let end_x =
8548 display_map.x_for_display_point(range.end, &text_layout_details);
8549 start_x.min(end_x)..start_x.max(end_x)
8550 };
8551
8552 while row != end_row {
8553 if above {
8554 row.0 -= 1;
8555 } else {
8556 row.0 += 1;
8557 }
8558
8559 if let Some(new_selection) = self.selections.build_columnar_selection(
8560 &display_map,
8561 row,
8562 &positions,
8563 selection.reversed,
8564 &text_layout_details,
8565 ) {
8566 state.stack.push(new_selection.id);
8567 if above {
8568 new_selections.push(new_selection);
8569 new_selections.push(selection);
8570 } else {
8571 new_selections.push(selection);
8572 new_selections.push(new_selection);
8573 }
8574
8575 continue 'outer;
8576 }
8577 }
8578 }
8579
8580 new_selections.push(selection);
8581 }
8582 } else {
8583 new_selections = selections;
8584 new_selections.retain(|s| s.id != last_added_selection);
8585 state.stack.pop();
8586 }
8587
8588 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
8589 s.select(new_selections);
8590 });
8591 if state.stack.len() > 1 {
8592 self.add_selections_state = Some(state);
8593 }
8594 }
8595
8596 pub fn select_next_match_internal(
8597 &mut self,
8598 display_map: &DisplaySnapshot,
8599 replace_newest: bool,
8600 autoscroll: Option<Autoscroll>,
8601 window: &mut Window,
8602 cx: &mut Context<Self>,
8603 ) -> Result<()> {
8604 fn select_next_match_ranges(
8605 this: &mut Editor,
8606 range: Range<usize>,
8607 replace_newest: bool,
8608 auto_scroll: Option<Autoscroll>,
8609 window: &mut Window,
8610 cx: &mut Context<Editor>,
8611 ) {
8612 this.unfold_ranges(&[range.clone()], false, true, cx);
8613 this.change_selections(auto_scroll, window, cx, |s| {
8614 if replace_newest {
8615 s.delete(s.newest_anchor().id);
8616 }
8617 s.insert_range(range.clone());
8618 });
8619 }
8620
8621 let buffer = &display_map.buffer_snapshot;
8622 let mut selections = self.selections.all::<usize>(cx);
8623 if let Some(mut select_next_state) = self.select_next_state.take() {
8624 let query = &select_next_state.query;
8625 if !select_next_state.done {
8626 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8627 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8628 let mut next_selected_range = None;
8629
8630 let bytes_after_last_selection =
8631 buffer.bytes_in_range(last_selection.end..buffer.len());
8632 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
8633 let query_matches = query
8634 .stream_find_iter(bytes_after_last_selection)
8635 .map(|result| (last_selection.end, result))
8636 .chain(
8637 query
8638 .stream_find_iter(bytes_before_first_selection)
8639 .map(|result| (0, result)),
8640 );
8641
8642 for (start_offset, query_match) in query_matches {
8643 let query_match = query_match.unwrap(); // can only fail due to I/O
8644 let offset_range =
8645 start_offset + query_match.start()..start_offset + query_match.end();
8646 let display_range = offset_range.start.to_display_point(display_map)
8647 ..offset_range.end.to_display_point(display_map);
8648
8649 if !select_next_state.wordwise
8650 || (!movement::is_inside_word(display_map, display_range.start)
8651 && !movement::is_inside_word(display_map, display_range.end))
8652 {
8653 // TODO: This is n^2, because we might check all the selections
8654 if !selections
8655 .iter()
8656 .any(|selection| selection.range().overlaps(&offset_range))
8657 {
8658 next_selected_range = Some(offset_range);
8659 break;
8660 }
8661 }
8662 }
8663
8664 if let Some(next_selected_range) = next_selected_range {
8665 select_next_match_ranges(
8666 self,
8667 next_selected_range,
8668 replace_newest,
8669 autoscroll,
8670 window,
8671 cx,
8672 );
8673 } else {
8674 select_next_state.done = true;
8675 }
8676 }
8677
8678 self.select_next_state = Some(select_next_state);
8679 } else {
8680 let mut only_carets = true;
8681 let mut same_text_selected = true;
8682 let mut selected_text = None;
8683
8684 let mut selections_iter = selections.iter().peekable();
8685 while let Some(selection) = selections_iter.next() {
8686 if selection.start != selection.end {
8687 only_carets = false;
8688 }
8689
8690 if same_text_selected {
8691 if selected_text.is_none() {
8692 selected_text =
8693 Some(buffer.text_for_range(selection.range()).collect::<String>());
8694 }
8695
8696 if let Some(next_selection) = selections_iter.peek() {
8697 if next_selection.range().len() == selection.range().len() {
8698 let next_selected_text = buffer
8699 .text_for_range(next_selection.range())
8700 .collect::<String>();
8701 if Some(next_selected_text) != selected_text {
8702 same_text_selected = false;
8703 selected_text = None;
8704 }
8705 } else {
8706 same_text_selected = false;
8707 selected_text = None;
8708 }
8709 }
8710 }
8711 }
8712
8713 if only_carets {
8714 for selection in &mut selections {
8715 let word_range = movement::surrounding_word(
8716 display_map,
8717 selection.start.to_display_point(display_map),
8718 );
8719 selection.start = word_range.start.to_offset(display_map, Bias::Left);
8720 selection.end = word_range.end.to_offset(display_map, Bias::Left);
8721 selection.goal = SelectionGoal::None;
8722 selection.reversed = false;
8723 select_next_match_ranges(
8724 self,
8725 selection.start..selection.end,
8726 replace_newest,
8727 autoscroll,
8728 window,
8729 cx,
8730 );
8731 }
8732
8733 if selections.len() == 1 {
8734 let selection = selections
8735 .last()
8736 .expect("ensured that there's only one selection");
8737 let query = buffer
8738 .text_for_range(selection.start..selection.end)
8739 .collect::<String>();
8740 let is_empty = query.is_empty();
8741 let select_state = SelectNextState {
8742 query: AhoCorasick::new(&[query])?,
8743 wordwise: true,
8744 done: is_empty,
8745 };
8746 self.select_next_state = Some(select_state);
8747 } else {
8748 self.select_next_state = None;
8749 }
8750 } else if let Some(selected_text) = selected_text {
8751 self.select_next_state = Some(SelectNextState {
8752 query: AhoCorasick::new(&[selected_text])?,
8753 wordwise: false,
8754 done: false,
8755 });
8756 self.select_next_match_internal(
8757 display_map,
8758 replace_newest,
8759 autoscroll,
8760 window,
8761 cx,
8762 )?;
8763 }
8764 }
8765 Ok(())
8766 }
8767
8768 pub fn select_all_matches(
8769 &mut self,
8770 _action: &SelectAllMatches,
8771 window: &mut Window,
8772 cx: &mut Context<Self>,
8773 ) -> Result<()> {
8774 self.push_to_selection_history();
8775 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8776
8777 self.select_next_match_internal(&display_map, false, None, window, cx)?;
8778 let Some(select_next_state) = self.select_next_state.as_mut() else {
8779 return Ok(());
8780 };
8781 if select_next_state.done {
8782 return Ok(());
8783 }
8784
8785 let mut new_selections = self.selections.all::<usize>(cx);
8786
8787 let buffer = &display_map.buffer_snapshot;
8788 let query_matches = select_next_state
8789 .query
8790 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
8791
8792 for query_match in query_matches {
8793 let query_match = query_match.unwrap(); // can only fail due to I/O
8794 let offset_range = query_match.start()..query_match.end();
8795 let display_range = offset_range.start.to_display_point(&display_map)
8796 ..offset_range.end.to_display_point(&display_map);
8797
8798 if !select_next_state.wordwise
8799 || (!movement::is_inside_word(&display_map, display_range.start)
8800 && !movement::is_inside_word(&display_map, display_range.end))
8801 {
8802 self.selections.change_with(cx, |selections| {
8803 new_selections.push(Selection {
8804 id: selections.new_selection_id(),
8805 start: offset_range.start,
8806 end: offset_range.end,
8807 reversed: false,
8808 goal: SelectionGoal::None,
8809 });
8810 });
8811 }
8812 }
8813
8814 new_selections.sort_by_key(|selection| selection.start);
8815 let mut ix = 0;
8816 while ix + 1 < new_selections.len() {
8817 let current_selection = &new_selections[ix];
8818 let next_selection = &new_selections[ix + 1];
8819 if current_selection.range().overlaps(&next_selection.range()) {
8820 if current_selection.id < next_selection.id {
8821 new_selections.remove(ix + 1);
8822 } else {
8823 new_selections.remove(ix);
8824 }
8825 } else {
8826 ix += 1;
8827 }
8828 }
8829
8830 let reversed = self.selections.oldest::<usize>(cx).reversed;
8831
8832 for selection in new_selections.iter_mut() {
8833 selection.reversed = reversed;
8834 }
8835
8836 select_next_state.done = true;
8837 self.unfold_ranges(
8838 &new_selections
8839 .iter()
8840 .map(|selection| selection.range())
8841 .collect::<Vec<_>>(),
8842 false,
8843 false,
8844 cx,
8845 );
8846 self.change_selections(Some(Autoscroll::fit()), window, cx, |selections| {
8847 selections.select(new_selections)
8848 });
8849
8850 Ok(())
8851 }
8852
8853 pub fn select_next(
8854 &mut self,
8855 action: &SelectNext,
8856 window: &mut Window,
8857 cx: &mut Context<Self>,
8858 ) -> Result<()> {
8859 self.push_to_selection_history();
8860 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8861 self.select_next_match_internal(
8862 &display_map,
8863 action.replace_newest,
8864 Some(Autoscroll::newest()),
8865 window,
8866 cx,
8867 )?;
8868 Ok(())
8869 }
8870
8871 pub fn select_previous(
8872 &mut self,
8873 action: &SelectPrevious,
8874 window: &mut Window,
8875 cx: &mut Context<Self>,
8876 ) -> Result<()> {
8877 self.push_to_selection_history();
8878 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8879 let buffer = &display_map.buffer_snapshot;
8880 let mut selections = self.selections.all::<usize>(cx);
8881 if let Some(mut select_prev_state) = self.select_prev_state.take() {
8882 let query = &select_prev_state.query;
8883 if !select_prev_state.done {
8884 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8885 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8886 let mut next_selected_range = None;
8887 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
8888 let bytes_before_last_selection =
8889 buffer.reversed_bytes_in_range(0..last_selection.start);
8890 let bytes_after_first_selection =
8891 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
8892 let query_matches = query
8893 .stream_find_iter(bytes_before_last_selection)
8894 .map(|result| (last_selection.start, result))
8895 .chain(
8896 query
8897 .stream_find_iter(bytes_after_first_selection)
8898 .map(|result| (buffer.len(), result)),
8899 );
8900 for (end_offset, query_match) in query_matches {
8901 let query_match = query_match.unwrap(); // can only fail due to I/O
8902 let offset_range =
8903 end_offset - query_match.end()..end_offset - query_match.start();
8904 let display_range = offset_range.start.to_display_point(&display_map)
8905 ..offset_range.end.to_display_point(&display_map);
8906
8907 if !select_prev_state.wordwise
8908 || (!movement::is_inside_word(&display_map, display_range.start)
8909 && !movement::is_inside_word(&display_map, display_range.end))
8910 {
8911 next_selected_range = Some(offset_range);
8912 break;
8913 }
8914 }
8915
8916 if let Some(next_selected_range) = next_selected_range {
8917 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
8918 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
8919 if action.replace_newest {
8920 s.delete(s.newest_anchor().id);
8921 }
8922 s.insert_range(next_selected_range);
8923 });
8924 } else {
8925 select_prev_state.done = true;
8926 }
8927 }
8928
8929 self.select_prev_state = Some(select_prev_state);
8930 } else {
8931 let mut only_carets = true;
8932 let mut same_text_selected = true;
8933 let mut selected_text = None;
8934
8935 let mut selections_iter = selections.iter().peekable();
8936 while let Some(selection) = selections_iter.next() {
8937 if selection.start != selection.end {
8938 only_carets = false;
8939 }
8940
8941 if same_text_selected {
8942 if selected_text.is_none() {
8943 selected_text =
8944 Some(buffer.text_for_range(selection.range()).collect::<String>());
8945 }
8946
8947 if let Some(next_selection) = selections_iter.peek() {
8948 if next_selection.range().len() == selection.range().len() {
8949 let next_selected_text = buffer
8950 .text_for_range(next_selection.range())
8951 .collect::<String>();
8952 if Some(next_selected_text) != selected_text {
8953 same_text_selected = false;
8954 selected_text = None;
8955 }
8956 } else {
8957 same_text_selected = false;
8958 selected_text = None;
8959 }
8960 }
8961 }
8962 }
8963
8964 if only_carets {
8965 for selection in &mut selections {
8966 let word_range = movement::surrounding_word(
8967 &display_map,
8968 selection.start.to_display_point(&display_map),
8969 );
8970 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
8971 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
8972 selection.goal = SelectionGoal::None;
8973 selection.reversed = false;
8974 }
8975 if selections.len() == 1 {
8976 let selection = selections
8977 .last()
8978 .expect("ensured that there's only one selection");
8979 let query = buffer
8980 .text_for_range(selection.start..selection.end)
8981 .collect::<String>();
8982 let is_empty = query.is_empty();
8983 let select_state = SelectNextState {
8984 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
8985 wordwise: true,
8986 done: is_empty,
8987 };
8988 self.select_prev_state = Some(select_state);
8989 } else {
8990 self.select_prev_state = None;
8991 }
8992
8993 self.unfold_ranges(
8994 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
8995 false,
8996 true,
8997 cx,
8998 );
8999 self.change_selections(Some(Autoscroll::newest()), window, cx, |s| {
9000 s.select(selections);
9001 });
9002 } else if let Some(selected_text) = selected_text {
9003 self.select_prev_state = Some(SelectNextState {
9004 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
9005 wordwise: false,
9006 done: false,
9007 });
9008 self.select_previous(action, window, cx)?;
9009 }
9010 }
9011 Ok(())
9012 }
9013
9014 pub fn toggle_comments(
9015 &mut self,
9016 action: &ToggleComments,
9017 window: &mut Window,
9018 cx: &mut Context<Self>,
9019 ) {
9020 if self.read_only(cx) {
9021 return;
9022 }
9023 let text_layout_details = &self.text_layout_details(window);
9024 self.transact(window, cx, |this, window, cx| {
9025 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
9026 let mut edits = Vec::new();
9027 let mut selection_edit_ranges = Vec::new();
9028 let mut last_toggled_row = None;
9029 let snapshot = this.buffer.read(cx).read(cx);
9030 let empty_str: Arc<str> = Arc::default();
9031 let mut suffixes_inserted = Vec::new();
9032 let ignore_indent = action.ignore_indent;
9033
9034 fn comment_prefix_range(
9035 snapshot: &MultiBufferSnapshot,
9036 row: MultiBufferRow,
9037 comment_prefix: &str,
9038 comment_prefix_whitespace: &str,
9039 ignore_indent: bool,
9040 ) -> Range<Point> {
9041 let indent_size = if ignore_indent {
9042 0
9043 } else {
9044 snapshot.indent_size_for_line(row).len
9045 };
9046
9047 let start = Point::new(row.0, indent_size);
9048
9049 let mut line_bytes = snapshot
9050 .bytes_in_range(start..snapshot.max_point())
9051 .flatten()
9052 .copied();
9053
9054 // If this line currently begins with the line comment prefix, then record
9055 // the range containing the prefix.
9056 if line_bytes
9057 .by_ref()
9058 .take(comment_prefix.len())
9059 .eq(comment_prefix.bytes())
9060 {
9061 // Include any whitespace that matches the comment prefix.
9062 let matching_whitespace_len = line_bytes
9063 .zip(comment_prefix_whitespace.bytes())
9064 .take_while(|(a, b)| a == b)
9065 .count() as u32;
9066 let end = Point::new(
9067 start.row,
9068 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
9069 );
9070 start..end
9071 } else {
9072 start..start
9073 }
9074 }
9075
9076 fn comment_suffix_range(
9077 snapshot: &MultiBufferSnapshot,
9078 row: MultiBufferRow,
9079 comment_suffix: &str,
9080 comment_suffix_has_leading_space: bool,
9081 ) -> Range<Point> {
9082 let end = Point::new(row.0, snapshot.line_len(row));
9083 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
9084
9085 let mut line_end_bytes = snapshot
9086 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
9087 .flatten()
9088 .copied();
9089
9090 let leading_space_len = if suffix_start_column > 0
9091 && line_end_bytes.next() == Some(b' ')
9092 && comment_suffix_has_leading_space
9093 {
9094 1
9095 } else {
9096 0
9097 };
9098
9099 // If this line currently begins with the line comment prefix, then record
9100 // the range containing the prefix.
9101 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
9102 let start = Point::new(end.row, suffix_start_column - leading_space_len);
9103 start..end
9104 } else {
9105 end..end
9106 }
9107 }
9108
9109 // TODO: Handle selections that cross excerpts
9110 for selection in &mut selections {
9111 let start_column = snapshot
9112 .indent_size_for_line(MultiBufferRow(selection.start.row))
9113 .len;
9114 let language = if let Some(language) =
9115 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
9116 {
9117 language
9118 } else {
9119 continue;
9120 };
9121
9122 selection_edit_ranges.clear();
9123
9124 // If multiple selections contain a given row, avoid processing that
9125 // row more than once.
9126 let mut start_row = MultiBufferRow(selection.start.row);
9127 if last_toggled_row == Some(start_row) {
9128 start_row = start_row.next_row();
9129 }
9130 let end_row =
9131 if selection.end.row > selection.start.row && selection.end.column == 0 {
9132 MultiBufferRow(selection.end.row - 1)
9133 } else {
9134 MultiBufferRow(selection.end.row)
9135 };
9136 last_toggled_row = Some(end_row);
9137
9138 if start_row > end_row {
9139 continue;
9140 }
9141
9142 // If the language has line comments, toggle those.
9143 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
9144
9145 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
9146 if ignore_indent {
9147 full_comment_prefixes = full_comment_prefixes
9148 .into_iter()
9149 .map(|s| Arc::from(s.trim_end()))
9150 .collect();
9151 }
9152
9153 if !full_comment_prefixes.is_empty() {
9154 let first_prefix = full_comment_prefixes
9155 .first()
9156 .expect("prefixes is non-empty");
9157 let prefix_trimmed_lengths = full_comment_prefixes
9158 .iter()
9159 .map(|p| p.trim_end_matches(' ').len())
9160 .collect::<SmallVec<[usize; 4]>>();
9161
9162 let mut all_selection_lines_are_comments = true;
9163
9164 for row in start_row.0..=end_row.0 {
9165 let row = MultiBufferRow(row);
9166 if start_row < end_row && snapshot.is_line_blank(row) {
9167 continue;
9168 }
9169
9170 let prefix_range = full_comment_prefixes
9171 .iter()
9172 .zip(prefix_trimmed_lengths.iter().copied())
9173 .map(|(prefix, trimmed_prefix_len)| {
9174 comment_prefix_range(
9175 snapshot.deref(),
9176 row,
9177 &prefix[..trimmed_prefix_len],
9178 &prefix[trimmed_prefix_len..],
9179 ignore_indent,
9180 )
9181 })
9182 .max_by_key(|range| range.end.column - range.start.column)
9183 .expect("prefixes is non-empty");
9184
9185 if prefix_range.is_empty() {
9186 all_selection_lines_are_comments = false;
9187 }
9188
9189 selection_edit_ranges.push(prefix_range);
9190 }
9191
9192 if all_selection_lines_are_comments {
9193 edits.extend(
9194 selection_edit_ranges
9195 .iter()
9196 .cloned()
9197 .map(|range| (range, empty_str.clone())),
9198 );
9199 } else {
9200 let min_column = selection_edit_ranges
9201 .iter()
9202 .map(|range| range.start.column)
9203 .min()
9204 .unwrap_or(0);
9205 edits.extend(selection_edit_ranges.iter().map(|range| {
9206 let position = Point::new(range.start.row, min_column);
9207 (position..position, first_prefix.clone())
9208 }));
9209 }
9210 } else if let Some((full_comment_prefix, comment_suffix)) =
9211 language.block_comment_delimiters()
9212 {
9213 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
9214 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
9215 let prefix_range = comment_prefix_range(
9216 snapshot.deref(),
9217 start_row,
9218 comment_prefix,
9219 comment_prefix_whitespace,
9220 ignore_indent,
9221 );
9222 let suffix_range = comment_suffix_range(
9223 snapshot.deref(),
9224 end_row,
9225 comment_suffix.trim_start_matches(' '),
9226 comment_suffix.starts_with(' '),
9227 );
9228
9229 if prefix_range.is_empty() || suffix_range.is_empty() {
9230 edits.push((
9231 prefix_range.start..prefix_range.start,
9232 full_comment_prefix.clone(),
9233 ));
9234 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
9235 suffixes_inserted.push((end_row, comment_suffix.len()));
9236 } else {
9237 edits.push((prefix_range, empty_str.clone()));
9238 edits.push((suffix_range, empty_str.clone()));
9239 }
9240 } else {
9241 continue;
9242 }
9243 }
9244
9245 drop(snapshot);
9246 this.buffer.update(cx, |buffer, cx| {
9247 buffer.edit(edits, None, cx);
9248 });
9249
9250 // Adjust selections so that they end before any comment suffixes that
9251 // were inserted.
9252 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
9253 let mut selections = this.selections.all::<Point>(cx);
9254 let snapshot = this.buffer.read(cx).read(cx);
9255 for selection in &mut selections {
9256 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
9257 match row.cmp(&MultiBufferRow(selection.end.row)) {
9258 Ordering::Less => {
9259 suffixes_inserted.next();
9260 continue;
9261 }
9262 Ordering::Greater => break,
9263 Ordering::Equal => {
9264 if selection.end.column == snapshot.line_len(row) {
9265 if selection.is_empty() {
9266 selection.start.column -= suffix_len as u32;
9267 }
9268 selection.end.column -= suffix_len as u32;
9269 }
9270 break;
9271 }
9272 }
9273 }
9274 }
9275
9276 drop(snapshot);
9277 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9278 s.select(selections)
9279 });
9280
9281 let selections = this.selections.all::<Point>(cx);
9282 let selections_on_single_row = selections.windows(2).all(|selections| {
9283 selections[0].start.row == selections[1].start.row
9284 && selections[0].end.row == selections[1].end.row
9285 && selections[0].start.row == selections[0].end.row
9286 });
9287 let selections_selecting = selections
9288 .iter()
9289 .any(|selection| selection.start != selection.end);
9290 let advance_downwards = action.advance_downwards
9291 && selections_on_single_row
9292 && !selections_selecting
9293 && !matches!(this.mode, EditorMode::SingleLine { .. });
9294
9295 if advance_downwards {
9296 let snapshot = this.buffer.read(cx).snapshot(cx);
9297
9298 this.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9299 s.move_cursors_with(|display_snapshot, display_point, _| {
9300 let mut point = display_point.to_point(display_snapshot);
9301 point.row += 1;
9302 point = snapshot.clip_point(point, Bias::Left);
9303 let display_point = point.to_display_point(display_snapshot);
9304 let goal = SelectionGoal::HorizontalPosition(
9305 display_snapshot
9306 .x_for_display_point(display_point, text_layout_details)
9307 .into(),
9308 );
9309 (display_point, goal)
9310 })
9311 });
9312 }
9313 });
9314 }
9315
9316 pub fn select_enclosing_symbol(
9317 &mut self,
9318 _: &SelectEnclosingSymbol,
9319 window: &mut Window,
9320 cx: &mut Context<Self>,
9321 ) {
9322 let buffer = self.buffer.read(cx).snapshot(cx);
9323 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9324
9325 fn update_selection(
9326 selection: &Selection<usize>,
9327 buffer_snap: &MultiBufferSnapshot,
9328 ) -> Option<Selection<usize>> {
9329 let cursor = selection.head();
9330 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
9331 for symbol in symbols.iter().rev() {
9332 let start = symbol.range.start.to_offset(buffer_snap);
9333 let end = symbol.range.end.to_offset(buffer_snap);
9334 let new_range = start..end;
9335 if start < selection.start || end > selection.end {
9336 return Some(Selection {
9337 id: selection.id,
9338 start: new_range.start,
9339 end: new_range.end,
9340 goal: SelectionGoal::None,
9341 reversed: selection.reversed,
9342 });
9343 }
9344 }
9345 None
9346 }
9347
9348 let mut selected_larger_symbol = false;
9349 let new_selections = old_selections
9350 .iter()
9351 .map(|selection| match update_selection(selection, &buffer) {
9352 Some(new_selection) => {
9353 if new_selection.range() != selection.range() {
9354 selected_larger_symbol = true;
9355 }
9356 new_selection
9357 }
9358 None => selection.clone(),
9359 })
9360 .collect::<Vec<_>>();
9361
9362 if selected_larger_symbol {
9363 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9364 s.select(new_selections);
9365 });
9366 }
9367 }
9368
9369 pub fn select_larger_syntax_node(
9370 &mut self,
9371 _: &SelectLargerSyntaxNode,
9372 window: &mut Window,
9373 cx: &mut Context<Self>,
9374 ) {
9375 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9376 let buffer = self.buffer.read(cx).snapshot(cx);
9377 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
9378
9379 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9380 let mut selected_larger_node = false;
9381 let new_selections = old_selections
9382 .iter()
9383 .map(|selection| {
9384 let old_range = selection.start..selection.end;
9385 let mut new_range = old_range.clone();
9386 let mut new_node = None;
9387 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
9388 {
9389 new_node = Some(node);
9390 new_range = containing_range;
9391 if !display_map.intersects_fold(new_range.start)
9392 && !display_map.intersects_fold(new_range.end)
9393 {
9394 break;
9395 }
9396 }
9397
9398 if let Some(node) = new_node {
9399 // Log the ancestor, to support using this action as a way to explore TreeSitter
9400 // nodes. Parent and grandparent are also logged because this operation will not
9401 // visit nodes that have the same range as their parent.
9402 log::info!("Node: {node:?}");
9403 let parent = node.parent();
9404 log::info!("Parent: {parent:?}");
9405 let grandparent = parent.and_then(|x| x.parent());
9406 log::info!("Grandparent: {grandparent:?}");
9407 }
9408
9409 selected_larger_node |= new_range != old_range;
9410 Selection {
9411 id: selection.id,
9412 start: new_range.start,
9413 end: new_range.end,
9414 goal: SelectionGoal::None,
9415 reversed: selection.reversed,
9416 }
9417 })
9418 .collect::<Vec<_>>();
9419
9420 if selected_larger_node {
9421 stack.push(old_selections);
9422 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9423 s.select(new_selections);
9424 });
9425 }
9426 self.select_larger_syntax_node_stack = stack;
9427 }
9428
9429 pub fn select_smaller_syntax_node(
9430 &mut self,
9431 _: &SelectSmallerSyntaxNode,
9432 window: &mut Window,
9433 cx: &mut Context<Self>,
9434 ) {
9435 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
9436 if let Some(selections) = stack.pop() {
9437 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9438 s.select(selections.to_vec());
9439 });
9440 }
9441 self.select_larger_syntax_node_stack = stack;
9442 }
9443
9444 fn refresh_runnables(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
9445 if !EditorSettings::get_global(cx).gutter.runnables {
9446 self.clear_tasks();
9447 return Task::ready(());
9448 }
9449 let project = self.project.as_ref().map(Entity::downgrade);
9450 cx.spawn_in(window, |this, mut cx| async move {
9451 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
9452 let Some(project) = project.and_then(|p| p.upgrade()) else {
9453 return;
9454 };
9455 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
9456 this.display_map.update(cx, |map, cx| map.snapshot(cx))
9457 }) else {
9458 return;
9459 };
9460
9461 let hide_runnables = project
9462 .update(&mut cx, |project, cx| {
9463 // Do not display any test indicators in non-dev server remote projects.
9464 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
9465 })
9466 .unwrap_or(true);
9467 if hide_runnables {
9468 return;
9469 }
9470 let new_rows =
9471 cx.background_executor()
9472 .spawn({
9473 let snapshot = display_snapshot.clone();
9474 async move {
9475 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
9476 }
9477 })
9478 .await;
9479
9480 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
9481 this.update(&mut cx, |this, _| {
9482 this.clear_tasks();
9483 for (key, value) in rows {
9484 this.insert_tasks(key, value);
9485 }
9486 })
9487 .ok();
9488 })
9489 }
9490 fn fetch_runnable_ranges(
9491 snapshot: &DisplaySnapshot,
9492 range: Range<Anchor>,
9493 ) -> Vec<language::RunnableRange> {
9494 snapshot.buffer_snapshot.runnable_ranges(range).collect()
9495 }
9496
9497 fn runnable_rows(
9498 project: Entity<Project>,
9499 snapshot: DisplaySnapshot,
9500 runnable_ranges: Vec<RunnableRange>,
9501 mut cx: AsyncWindowContext,
9502 ) -> Vec<((BufferId, u32), RunnableTasks)> {
9503 runnable_ranges
9504 .into_iter()
9505 .filter_map(|mut runnable| {
9506 let tasks = cx
9507 .update(|_, cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
9508 .ok()?;
9509 if tasks.is_empty() {
9510 return None;
9511 }
9512
9513 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
9514
9515 let row = snapshot
9516 .buffer_snapshot
9517 .buffer_line_for_row(MultiBufferRow(point.row))?
9518 .1
9519 .start
9520 .row;
9521
9522 let context_range =
9523 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
9524 Some((
9525 (runnable.buffer_id, row),
9526 RunnableTasks {
9527 templates: tasks,
9528 offset: MultiBufferOffset(runnable.run_range.start),
9529 context_range,
9530 column: point.column,
9531 extra_variables: runnable.extra_captures,
9532 },
9533 ))
9534 })
9535 .collect()
9536 }
9537
9538 fn templates_with_tags(
9539 project: &Entity<Project>,
9540 runnable: &mut Runnable,
9541 cx: &mut App,
9542 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
9543 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
9544 let (worktree_id, file) = project
9545 .buffer_for_id(runnable.buffer, cx)
9546 .and_then(|buffer| buffer.read(cx).file())
9547 .map(|file| (file.worktree_id(cx), file.clone()))
9548 .unzip();
9549
9550 (
9551 project.task_store().read(cx).task_inventory().cloned(),
9552 worktree_id,
9553 file,
9554 )
9555 });
9556
9557 let tags = mem::take(&mut runnable.tags);
9558 let mut tags: Vec<_> = tags
9559 .into_iter()
9560 .flat_map(|tag| {
9561 let tag = tag.0.clone();
9562 inventory
9563 .as_ref()
9564 .into_iter()
9565 .flat_map(|inventory| {
9566 inventory.read(cx).list_tasks(
9567 file.clone(),
9568 Some(runnable.language.clone()),
9569 worktree_id,
9570 cx,
9571 )
9572 })
9573 .filter(move |(_, template)| {
9574 template.tags.iter().any(|source_tag| source_tag == &tag)
9575 })
9576 })
9577 .sorted_by_key(|(kind, _)| kind.to_owned())
9578 .collect();
9579 if let Some((leading_tag_source, _)) = tags.first() {
9580 // Strongest source wins; if we have worktree tag binding, prefer that to
9581 // global and language bindings;
9582 // if we have a global binding, prefer that to language binding.
9583 let first_mismatch = tags
9584 .iter()
9585 .position(|(tag_source, _)| tag_source != leading_tag_source);
9586 if let Some(index) = first_mismatch {
9587 tags.truncate(index);
9588 }
9589 }
9590
9591 tags
9592 }
9593
9594 pub fn move_to_enclosing_bracket(
9595 &mut self,
9596 _: &MoveToEnclosingBracket,
9597 window: &mut Window,
9598 cx: &mut Context<Self>,
9599 ) {
9600 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9601 s.move_offsets_with(|snapshot, selection| {
9602 let Some(enclosing_bracket_ranges) =
9603 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
9604 else {
9605 return;
9606 };
9607
9608 let mut best_length = usize::MAX;
9609 let mut best_inside = false;
9610 let mut best_in_bracket_range = false;
9611 let mut best_destination = None;
9612 for (open, close) in enclosing_bracket_ranges {
9613 let close = close.to_inclusive();
9614 let length = close.end() - open.start;
9615 let inside = selection.start >= open.end && selection.end <= *close.start();
9616 let in_bracket_range = open.to_inclusive().contains(&selection.head())
9617 || close.contains(&selection.head());
9618
9619 // If best is next to a bracket and current isn't, skip
9620 if !in_bracket_range && best_in_bracket_range {
9621 continue;
9622 }
9623
9624 // Prefer smaller lengths unless best is inside and current isn't
9625 if length > best_length && (best_inside || !inside) {
9626 continue;
9627 }
9628
9629 best_length = length;
9630 best_inside = inside;
9631 best_in_bracket_range = in_bracket_range;
9632 best_destination = Some(
9633 if close.contains(&selection.start) && close.contains(&selection.end) {
9634 if inside {
9635 open.end
9636 } else {
9637 open.start
9638 }
9639 } else if inside {
9640 *close.start()
9641 } else {
9642 *close.end()
9643 },
9644 );
9645 }
9646
9647 if let Some(destination) = best_destination {
9648 selection.collapse_to(destination, SelectionGoal::None);
9649 }
9650 })
9651 });
9652 }
9653
9654 pub fn undo_selection(
9655 &mut self,
9656 _: &UndoSelection,
9657 window: &mut Window,
9658 cx: &mut Context<Self>,
9659 ) {
9660 self.end_selection(window, cx);
9661 self.selection_history.mode = SelectionHistoryMode::Undoing;
9662 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
9663 self.change_selections(None, window, cx, |s| {
9664 s.select_anchors(entry.selections.to_vec())
9665 });
9666 self.select_next_state = entry.select_next_state;
9667 self.select_prev_state = entry.select_prev_state;
9668 self.add_selections_state = entry.add_selections_state;
9669 self.request_autoscroll(Autoscroll::newest(), cx);
9670 }
9671 self.selection_history.mode = SelectionHistoryMode::Normal;
9672 }
9673
9674 pub fn redo_selection(
9675 &mut self,
9676 _: &RedoSelection,
9677 window: &mut Window,
9678 cx: &mut Context<Self>,
9679 ) {
9680 self.end_selection(window, cx);
9681 self.selection_history.mode = SelectionHistoryMode::Redoing;
9682 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
9683 self.change_selections(None, window, cx, |s| {
9684 s.select_anchors(entry.selections.to_vec())
9685 });
9686 self.select_next_state = entry.select_next_state;
9687 self.select_prev_state = entry.select_prev_state;
9688 self.add_selections_state = entry.add_selections_state;
9689 self.request_autoscroll(Autoscroll::newest(), cx);
9690 }
9691 self.selection_history.mode = SelectionHistoryMode::Normal;
9692 }
9693
9694 pub fn expand_excerpts(
9695 &mut self,
9696 action: &ExpandExcerpts,
9697 _: &mut Window,
9698 cx: &mut Context<Self>,
9699 ) {
9700 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
9701 }
9702
9703 pub fn expand_excerpts_down(
9704 &mut self,
9705 action: &ExpandExcerptsDown,
9706 _: &mut Window,
9707 cx: &mut Context<Self>,
9708 ) {
9709 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
9710 }
9711
9712 pub fn expand_excerpts_up(
9713 &mut self,
9714 action: &ExpandExcerptsUp,
9715 _: &mut Window,
9716 cx: &mut Context<Self>,
9717 ) {
9718 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
9719 }
9720
9721 pub fn expand_excerpts_for_direction(
9722 &mut self,
9723 lines: u32,
9724 direction: ExpandExcerptDirection,
9725
9726 cx: &mut Context<Self>,
9727 ) {
9728 let selections = self.selections.disjoint_anchors();
9729
9730 let lines = if lines == 0 {
9731 EditorSettings::get_global(cx).expand_excerpt_lines
9732 } else {
9733 lines
9734 };
9735
9736 self.buffer.update(cx, |buffer, cx| {
9737 let snapshot = buffer.snapshot(cx);
9738 let mut excerpt_ids = selections
9739 .iter()
9740 .flat_map(|selection| snapshot.excerpt_ids_for_range(selection.range()))
9741 .collect::<Vec<_>>();
9742 excerpt_ids.sort();
9743 excerpt_ids.dedup();
9744 buffer.expand_excerpts(excerpt_ids, lines, direction, cx)
9745 })
9746 }
9747
9748 pub fn expand_excerpt(
9749 &mut self,
9750 excerpt: ExcerptId,
9751 direction: ExpandExcerptDirection,
9752 cx: &mut Context<Self>,
9753 ) {
9754 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
9755 self.buffer.update(cx, |buffer, cx| {
9756 buffer.expand_excerpts([excerpt], lines, direction, cx)
9757 })
9758 }
9759
9760 pub fn go_to_singleton_buffer_point(
9761 &mut self,
9762 point: Point,
9763 window: &mut Window,
9764 cx: &mut Context<Self>,
9765 ) {
9766 self.go_to_singleton_buffer_range(point..point, window, cx);
9767 }
9768
9769 pub fn go_to_singleton_buffer_range(
9770 &mut self,
9771 range: Range<Point>,
9772 window: &mut Window,
9773 cx: &mut Context<Self>,
9774 ) {
9775 let multibuffer = self.buffer().read(cx);
9776 let Some(buffer) = multibuffer.as_singleton() else {
9777 return;
9778 };
9779 let Some(start) = multibuffer.buffer_point_to_anchor(&buffer, range.start, cx) else {
9780 return;
9781 };
9782 let Some(end) = multibuffer.buffer_point_to_anchor(&buffer, range.end, cx) else {
9783 return;
9784 };
9785 self.change_selections(Some(Autoscroll::center()), window, cx, |s| {
9786 s.select_anchor_ranges([start..end])
9787 });
9788 }
9789
9790 fn go_to_diagnostic(
9791 &mut self,
9792 _: &GoToDiagnostic,
9793 window: &mut Window,
9794 cx: &mut Context<Self>,
9795 ) {
9796 self.go_to_diagnostic_impl(Direction::Next, window, cx)
9797 }
9798
9799 fn go_to_prev_diagnostic(
9800 &mut self,
9801 _: &GoToPrevDiagnostic,
9802 window: &mut Window,
9803 cx: &mut Context<Self>,
9804 ) {
9805 self.go_to_diagnostic_impl(Direction::Prev, window, cx)
9806 }
9807
9808 pub fn go_to_diagnostic_impl(
9809 &mut self,
9810 direction: Direction,
9811 window: &mut Window,
9812 cx: &mut Context<Self>,
9813 ) {
9814 let buffer = self.buffer.read(cx).snapshot(cx);
9815 let selection = self.selections.newest::<usize>(cx);
9816
9817 // If there is an active Diagnostic Popover jump to its diagnostic instead.
9818 if direction == Direction::Next {
9819 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
9820 let Some(buffer_id) = popover.local_diagnostic.range.start.buffer_id else {
9821 return;
9822 };
9823 self.activate_diagnostics(
9824 buffer_id,
9825 popover.local_diagnostic.diagnostic.group_id,
9826 window,
9827 cx,
9828 );
9829 if let Some(active_diagnostics) = self.active_diagnostics.as_ref() {
9830 let primary_range_start = active_diagnostics.primary_range.start;
9831 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9832 let mut new_selection = s.newest_anchor().clone();
9833 new_selection.collapse_to(primary_range_start, SelectionGoal::None);
9834 s.select_anchors(vec![new_selection.clone()]);
9835 });
9836 self.refresh_inline_completion(false, true, window, cx);
9837 }
9838 return;
9839 }
9840 }
9841
9842 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
9843 active_diagnostics
9844 .primary_range
9845 .to_offset(&buffer)
9846 .to_inclusive()
9847 });
9848 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
9849 if active_primary_range.contains(&selection.head()) {
9850 *active_primary_range.start()
9851 } else {
9852 selection.head()
9853 }
9854 } else {
9855 selection.head()
9856 };
9857 let snapshot = self.snapshot(window, cx);
9858 loop {
9859 let mut diagnostics;
9860 if direction == Direction::Prev {
9861 diagnostics = buffer
9862 .diagnostics_in_range::<_, usize>(0..search_start)
9863 .collect::<Vec<_>>();
9864 diagnostics.reverse();
9865 } else {
9866 diagnostics = buffer
9867 .diagnostics_in_range::<_, usize>(search_start..buffer.len())
9868 .collect::<Vec<_>>();
9869 };
9870 let group = diagnostics
9871 .into_iter()
9872 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start))
9873 // relies on diagnostics_in_range to return diagnostics with the same starting range to
9874 // be sorted in a stable way
9875 // skip until we are at current active diagnostic, if it exists
9876 .skip_while(|entry| {
9877 let is_in_range = match direction {
9878 Direction::Prev => entry.range.end > search_start,
9879 Direction::Next => entry.range.start < search_start,
9880 };
9881 is_in_range
9882 && self
9883 .active_diagnostics
9884 .as_ref()
9885 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
9886 })
9887 .find_map(|entry| {
9888 if entry.diagnostic.is_primary
9889 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
9890 && entry.range.start != entry.range.end
9891 // if we match with the active diagnostic, skip it
9892 && Some(entry.diagnostic.group_id)
9893 != self.active_diagnostics.as_ref().map(|d| d.group_id)
9894 {
9895 Some((entry.range, entry.diagnostic.group_id))
9896 } else {
9897 None
9898 }
9899 });
9900
9901 if let Some((primary_range, group_id)) = group {
9902 let Some(buffer_id) = buffer.anchor_after(primary_range.start).buffer_id else {
9903 return;
9904 };
9905 self.activate_diagnostics(buffer_id, group_id, window, cx);
9906 if self.active_diagnostics.is_some() {
9907 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9908 s.select(vec![Selection {
9909 id: selection.id,
9910 start: primary_range.start,
9911 end: primary_range.start,
9912 reversed: false,
9913 goal: SelectionGoal::None,
9914 }]);
9915 });
9916 self.refresh_inline_completion(false, true, window, cx);
9917 }
9918 break;
9919 } else {
9920 // Cycle around to the start of the buffer, potentially moving back to the start of
9921 // the currently active diagnostic.
9922 active_primary_range.take();
9923 if direction == Direction::Prev {
9924 if search_start == buffer.len() {
9925 break;
9926 } else {
9927 search_start = buffer.len();
9928 }
9929 } else if search_start == 0 {
9930 break;
9931 } else {
9932 search_start = 0;
9933 }
9934 }
9935 }
9936 }
9937
9938 fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
9939 let snapshot = self.snapshot(window, cx);
9940 let selection = self.selections.newest::<Point>(cx);
9941 self.go_to_hunk_after_position(&snapshot, selection.head(), window, cx);
9942 }
9943
9944 fn go_to_hunk_after_position(
9945 &mut self,
9946 snapshot: &EditorSnapshot,
9947 position: Point,
9948 window: &mut Window,
9949 cx: &mut Context<Editor>,
9950 ) -> Option<MultiBufferDiffHunk> {
9951 let mut hunk = snapshot
9952 .buffer_snapshot
9953 .diff_hunks_in_range(position..snapshot.buffer_snapshot.max_point())
9954 .find(|hunk| hunk.row_range.start.0 > position.row);
9955 if hunk.is_none() {
9956 hunk = snapshot
9957 .buffer_snapshot
9958 .diff_hunks_in_range(Point::zero()..position)
9959 .find(|hunk| hunk.row_range.end.0 < position.row)
9960 }
9961 if let Some(hunk) = &hunk {
9962 let destination = Point::new(hunk.row_range.start.0, 0);
9963 self.unfold_ranges(&[destination..destination], false, false, cx);
9964 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9965 s.select_ranges(vec![destination..destination]);
9966 });
9967 }
9968
9969 hunk
9970 }
9971
9972 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, window: &mut Window, cx: &mut Context<Self>) {
9973 let snapshot = self.snapshot(window, cx);
9974 let selection = self.selections.newest::<Point>(cx);
9975 self.go_to_hunk_before_position(&snapshot, selection.head(), window, cx);
9976 }
9977
9978 fn go_to_hunk_before_position(
9979 &mut self,
9980 snapshot: &EditorSnapshot,
9981 position: Point,
9982 window: &mut Window,
9983 cx: &mut Context<Editor>,
9984 ) -> Option<MultiBufferDiffHunk> {
9985 let mut hunk = snapshot.buffer_snapshot.diff_hunk_before(position);
9986 if hunk.is_none() {
9987 hunk = snapshot.buffer_snapshot.diff_hunk_before(Point::MAX);
9988 }
9989 if let Some(hunk) = &hunk {
9990 let destination = Point::new(hunk.row_range.start.0, 0);
9991 self.unfold_ranges(&[destination..destination], false, false, cx);
9992 self.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
9993 s.select_ranges(vec![destination..destination]);
9994 });
9995 }
9996
9997 hunk
9998 }
9999
10000 pub fn go_to_definition(
10001 &mut self,
10002 _: &GoToDefinition,
10003 window: &mut Window,
10004 cx: &mut Context<Self>,
10005 ) -> Task<Result<Navigated>> {
10006 let definition =
10007 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, window, cx);
10008 cx.spawn_in(window, |editor, mut cx| async move {
10009 if definition.await? == Navigated::Yes {
10010 return Ok(Navigated::Yes);
10011 }
10012 match editor.update_in(&mut cx, |editor, window, cx| {
10013 editor.find_all_references(&FindAllReferences, window, cx)
10014 })? {
10015 Some(references) => references.await,
10016 None => Ok(Navigated::No),
10017 }
10018 })
10019 }
10020
10021 pub fn go_to_declaration(
10022 &mut self,
10023 _: &GoToDeclaration,
10024 window: &mut Window,
10025 cx: &mut Context<Self>,
10026 ) -> Task<Result<Navigated>> {
10027 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, window, cx)
10028 }
10029
10030 pub fn go_to_declaration_split(
10031 &mut self,
10032 _: &GoToDeclaration,
10033 window: &mut Window,
10034 cx: &mut Context<Self>,
10035 ) -> Task<Result<Navigated>> {
10036 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, window, cx)
10037 }
10038
10039 pub fn go_to_implementation(
10040 &mut self,
10041 _: &GoToImplementation,
10042 window: &mut Window,
10043 cx: &mut Context<Self>,
10044 ) -> Task<Result<Navigated>> {
10045 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, window, cx)
10046 }
10047
10048 pub fn go_to_implementation_split(
10049 &mut self,
10050 _: &GoToImplementationSplit,
10051 window: &mut Window,
10052 cx: &mut Context<Self>,
10053 ) -> Task<Result<Navigated>> {
10054 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, window, cx)
10055 }
10056
10057 pub fn go_to_type_definition(
10058 &mut self,
10059 _: &GoToTypeDefinition,
10060 window: &mut Window,
10061 cx: &mut Context<Self>,
10062 ) -> Task<Result<Navigated>> {
10063 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, window, cx)
10064 }
10065
10066 pub fn go_to_definition_split(
10067 &mut self,
10068 _: &GoToDefinitionSplit,
10069 window: &mut Window,
10070 cx: &mut Context<Self>,
10071 ) -> Task<Result<Navigated>> {
10072 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, window, cx)
10073 }
10074
10075 pub fn go_to_type_definition_split(
10076 &mut self,
10077 _: &GoToTypeDefinitionSplit,
10078 window: &mut Window,
10079 cx: &mut Context<Self>,
10080 ) -> Task<Result<Navigated>> {
10081 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, window, cx)
10082 }
10083
10084 fn go_to_definition_of_kind(
10085 &mut self,
10086 kind: GotoDefinitionKind,
10087 split: bool,
10088 window: &mut Window,
10089 cx: &mut Context<Self>,
10090 ) -> Task<Result<Navigated>> {
10091 let Some(provider) = self.semantics_provider.clone() else {
10092 return Task::ready(Ok(Navigated::No));
10093 };
10094 let head = self.selections.newest::<usize>(cx).head();
10095 let buffer = self.buffer.read(cx);
10096 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
10097 text_anchor
10098 } else {
10099 return Task::ready(Ok(Navigated::No));
10100 };
10101
10102 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
10103 return Task::ready(Ok(Navigated::No));
10104 };
10105
10106 cx.spawn_in(window, |editor, mut cx| async move {
10107 let definitions = definitions.await?;
10108 let navigated = editor
10109 .update_in(&mut cx, |editor, window, cx| {
10110 editor.navigate_to_hover_links(
10111 Some(kind),
10112 definitions
10113 .into_iter()
10114 .filter(|location| {
10115 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
10116 })
10117 .map(HoverLink::Text)
10118 .collect::<Vec<_>>(),
10119 split,
10120 window,
10121 cx,
10122 )
10123 })?
10124 .await?;
10125 anyhow::Ok(navigated)
10126 })
10127 }
10128
10129 pub fn open_url(&mut self, _: &OpenUrl, window: &mut Window, cx: &mut Context<Self>) {
10130 let selection = self.selections.newest_anchor();
10131 let head = selection.head();
10132 let tail = selection.tail();
10133
10134 let Some((buffer, start_position)) =
10135 self.buffer.read(cx).text_anchor_for_position(head, cx)
10136 else {
10137 return;
10138 };
10139
10140 let end_position = if head != tail {
10141 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
10142 return;
10143 };
10144 Some(pos)
10145 } else {
10146 None
10147 };
10148
10149 let url_finder = cx.spawn_in(window, |editor, mut cx| async move {
10150 let url = if let Some(end_pos) = end_position {
10151 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
10152 } else {
10153 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
10154 };
10155
10156 if let Some(url) = url {
10157 editor.update(&mut cx, |_, cx| {
10158 cx.open_url(&url);
10159 })
10160 } else {
10161 Ok(())
10162 }
10163 });
10164
10165 url_finder.detach();
10166 }
10167
10168 pub fn open_selected_filename(
10169 &mut self,
10170 _: &OpenSelectedFilename,
10171 window: &mut Window,
10172 cx: &mut Context<Self>,
10173 ) {
10174 let Some(workspace) = self.workspace() else {
10175 return;
10176 };
10177
10178 let position = self.selections.newest_anchor().head();
10179
10180 let Some((buffer, buffer_position)) =
10181 self.buffer.read(cx).text_anchor_for_position(position, cx)
10182 else {
10183 return;
10184 };
10185
10186 let project = self.project.clone();
10187
10188 cx.spawn_in(window, |_, mut cx| async move {
10189 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
10190
10191 if let Some((_, path)) = result {
10192 workspace
10193 .update_in(&mut cx, |workspace, window, cx| {
10194 workspace.open_resolved_path(path, window, cx)
10195 })?
10196 .await?;
10197 }
10198 anyhow::Ok(())
10199 })
10200 .detach();
10201 }
10202
10203 pub(crate) fn navigate_to_hover_links(
10204 &mut self,
10205 kind: Option<GotoDefinitionKind>,
10206 mut definitions: Vec<HoverLink>,
10207 split: bool,
10208 window: &mut Window,
10209 cx: &mut Context<Editor>,
10210 ) -> Task<Result<Navigated>> {
10211 // If there is one definition, just open it directly
10212 if definitions.len() == 1 {
10213 let definition = definitions.pop().unwrap();
10214
10215 enum TargetTaskResult {
10216 Location(Option<Location>),
10217 AlreadyNavigated,
10218 }
10219
10220 let target_task = match definition {
10221 HoverLink::Text(link) => {
10222 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
10223 }
10224 HoverLink::InlayHint(lsp_location, server_id) => {
10225 let computation =
10226 self.compute_target_location(lsp_location, server_id, window, cx);
10227 cx.background_executor().spawn(async move {
10228 let location = computation.await?;
10229 Ok(TargetTaskResult::Location(location))
10230 })
10231 }
10232 HoverLink::Url(url) => {
10233 cx.open_url(&url);
10234 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
10235 }
10236 HoverLink::File(path) => {
10237 if let Some(workspace) = self.workspace() {
10238 cx.spawn_in(window, |_, mut cx| async move {
10239 workspace
10240 .update_in(&mut cx, |workspace, window, cx| {
10241 workspace.open_resolved_path(path, window, cx)
10242 })?
10243 .await
10244 .map(|_| TargetTaskResult::AlreadyNavigated)
10245 })
10246 } else {
10247 Task::ready(Ok(TargetTaskResult::Location(None)))
10248 }
10249 }
10250 };
10251 cx.spawn_in(window, |editor, mut cx| async move {
10252 let target = match target_task.await.context("target resolution task")? {
10253 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
10254 TargetTaskResult::Location(None) => return Ok(Navigated::No),
10255 TargetTaskResult::Location(Some(target)) => target,
10256 };
10257
10258 editor.update_in(&mut cx, |editor, window, cx| {
10259 let Some(workspace) = editor.workspace() else {
10260 return Navigated::No;
10261 };
10262 let pane = workspace.read(cx).active_pane().clone();
10263
10264 let range = target.range.to_point(target.buffer.read(cx));
10265 let range = editor.range_for_match(&range);
10266 let range = collapse_multiline_range(range);
10267
10268 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
10269 editor.go_to_singleton_buffer_range(range.clone(), window, cx);
10270 } else {
10271 window.defer(cx, move |window, cx| {
10272 let target_editor: Entity<Self> =
10273 workspace.update(cx, |workspace, cx| {
10274 let pane = if split {
10275 workspace.adjacent_pane(window, cx)
10276 } else {
10277 workspace.active_pane().clone()
10278 };
10279
10280 workspace.open_project_item(
10281 pane,
10282 target.buffer.clone(),
10283 true,
10284 true,
10285 window,
10286 cx,
10287 )
10288 });
10289 target_editor.update(cx, |target_editor, cx| {
10290 // When selecting a definition in a different buffer, disable the nav history
10291 // to avoid creating a history entry at the previous cursor location.
10292 pane.update(cx, |pane, _| pane.disable_history());
10293 target_editor.go_to_singleton_buffer_range(range, window, cx);
10294 pane.update(cx, |pane, _| pane.enable_history());
10295 });
10296 });
10297 }
10298 Navigated::Yes
10299 })
10300 })
10301 } else if !definitions.is_empty() {
10302 cx.spawn_in(window, |editor, mut cx| async move {
10303 let (title, location_tasks, workspace) = editor
10304 .update_in(&mut cx, |editor, window, cx| {
10305 let tab_kind = match kind {
10306 Some(GotoDefinitionKind::Implementation) => "Implementations",
10307 _ => "Definitions",
10308 };
10309 let title = definitions
10310 .iter()
10311 .find_map(|definition| match definition {
10312 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
10313 let buffer = origin.buffer.read(cx);
10314 format!(
10315 "{} for {}",
10316 tab_kind,
10317 buffer
10318 .text_for_range(origin.range.clone())
10319 .collect::<String>()
10320 )
10321 }),
10322 HoverLink::InlayHint(_, _) => None,
10323 HoverLink::Url(_) => None,
10324 HoverLink::File(_) => None,
10325 })
10326 .unwrap_or(tab_kind.to_string());
10327 let location_tasks = definitions
10328 .into_iter()
10329 .map(|definition| match definition {
10330 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
10331 HoverLink::InlayHint(lsp_location, server_id) => editor
10332 .compute_target_location(lsp_location, server_id, window, cx),
10333 HoverLink::Url(_) => Task::ready(Ok(None)),
10334 HoverLink::File(_) => Task::ready(Ok(None)),
10335 })
10336 .collect::<Vec<_>>();
10337 (title, location_tasks, editor.workspace().clone())
10338 })
10339 .context("location tasks preparation")?;
10340
10341 let locations = future::join_all(location_tasks)
10342 .await
10343 .into_iter()
10344 .filter_map(|location| location.transpose())
10345 .collect::<Result<_>>()
10346 .context("location tasks")?;
10347
10348 let Some(workspace) = workspace else {
10349 return Ok(Navigated::No);
10350 };
10351 let opened = workspace
10352 .update_in(&mut cx, |workspace, window, cx| {
10353 Self::open_locations_in_multibuffer(
10354 workspace,
10355 locations,
10356 title,
10357 split,
10358 MultibufferSelectionMode::First,
10359 window,
10360 cx,
10361 )
10362 })
10363 .ok();
10364
10365 anyhow::Ok(Navigated::from_bool(opened.is_some()))
10366 })
10367 } else {
10368 Task::ready(Ok(Navigated::No))
10369 }
10370 }
10371
10372 fn compute_target_location(
10373 &self,
10374 lsp_location: lsp::Location,
10375 server_id: LanguageServerId,
10376 window: &mut Window,
10377 cx: &mut Context<Self>,
10378 ) -> Task<anyhow::Result<Option<Location>>> {
10379 let Some(project) = self.project.clone() else {
10380 return Task::ready(Ok(None));
10381 };
10382
10383 cx.spawn_in(window, move |editor, mut cx| async move {
10384 let location_task = editor.update(&mut cx, |_, cx| {
10385 project.update(cx, |project, cx| {
10386 let language_server_name = project
10387 .language_server_statuses(cx)
10388 .find(|(id, _)| server_id == *id)
10389 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
10390 language_server_name.map(|language_server_name| {
10391 project.open_local_buffer_via_lsp(
10392 lsp_location.uri.clone(),
10393 server_id,
10394 language_server_name,
10395 cx,
10396 )
10397 })
10398 })
10399 })?;
10400 let location = match location_task {
10401 Some(task) => Some({
10402 let target_buffer_handle = task.await.context("open local buffer")?;
10403 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
10404 let target_start = target_buffer
10405 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
10406 let target_end = target_buffer
10407 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
10408 target_buffer.anchor_after(target_start)
10409 ..target_buffer.anchor_before(target_end)
10410 })?;
10411 Location {
10412 buffer: target_buffer_handle,
10413 range,
10414 }
10415 }),
10416 None => None,
10417 };
10418 Ok(location)
10419 })
10420 }
10421
10422 pub fn find_all_references(
10423 &mut self,
10424 _: &FindAllReferences,
10425 window: &mut Window,
10426 cx: &mut Context<Self>,
10427 ) -> Option<Task<Result<Navigated>>> {
10428 let selection = self.selections.newest::<usize>(cx);
10429 let multi_buffer = self.buffer.read(cx);
10430 let head = selection.head();
10431
10432 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
10433 let head_anchor = multi_buffer_snapshot.anchor_at(
10434 head,
10435 if head < selection.tail() {
10436 Bias::Right
10437 } else {
10438 Bias::Left
10439 },
10440 );
10441
10442 match self
10443 .find_all_references_task_sources
10444 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
10445 {
10446 Ok(_) => {
10447 log::info!(
10448 "Ignoring repeated FindAllReferences invocation with the position of already running task"
10449 );
10450 return None;
10451 }
10452 Err(i) => {
10453 self.find_all_references_task_sources.insert(i, head_anchor);
10454 }
10455 }
10456
10457 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
10458 let workspace = self.workspace()?;
10459 let project = workspace.read(cx).project().clone();
10460 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
10461 Some(cx.spawn_in(window, |editor, mut cx| async move {
10462 let _cleanup = defer({
10463 let mut cx = cx.clone();
10464 move || {
10465 let _ = editor.update(&mut cx, |editor, _| {
10466 if let Ok(i) =
10467 editor
10468 .find_all_references_task_sources
10469 .binary_search_by(|anchor| {
10470 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
10471 })
10472 {
10473 editor.find_all_references_task_sources.remove(i);
10474 }
10475 });
10476 }
10477 });
10478
10479 let locations = references.await?;
10480 if locations.is_empty() {
10481 return anyhow::Ok(Navigated::No);
10482 }
10483
10484 workspace.update_in(&mut cx, |workspace, window, cx| {
10485 let title = locations
10486 .first()
10487 .as_ref()
10488 .map(|location| {
10489 let buffer = location.buffer.read(cx);
10490 format!(
10491 "References to `{}`",
10492 buffer
10493 .text_for_range(location.range.clone())
10494 .collect::<String>()
10495 )
10496 })
10497 .unwrap();
10498 Self::open_locations_in_multibuffer(
10499 workspace,
10500 locations,
10501 title,
10502 false,
10503 MultibufferSelectionMode::First,
10504 window,
10505 cx,
10506 );
10507 Navigated::Yes
10508 })
10509 }))
10510 }
10511
10512 /// Opens a multibuffer with the given project locations in it
10513 pub fn open_locations_in_multibuffer(
10514 workspace: &mut Workspace,
10515 mut locations: Vec<Location>,
10516 title: String,
10517 split: bool,
10518 multibuffer_selection_mode: MultibufferSelectionMode,
10519 window: &mut Window,
10520 cx: &mut Context<Workspace>,
10521 ) {
10522 // If there are multiple definitions, open them in a multibuffer
10523 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
10524 let mut locations = locations.into_iter().peekable();
10525 let mut ranges = Vec::new();
10526 let capability = workspace.project().read(cx).capability();
10527
10528 let excerpt_buffer = cx.new(|cx| {
10529 let mut multibuffer = MultiBuffer::new(capability);
10530 while let Some(location) = locations.next() {
10531 let buffer = location.buffer.read(cx);
10532 let mut ranges_for_buffer = Vec::new();
10533 let range = location.range.to_offset(buffer);
10534 ranges_for_buffer.push(range.clone());
10535
10536 while let Some(next_location) = locations.peek() {
10537 if next_location.buffer == location.buffer {
10538 ranges_for_buffer.push(next_location.range.to_offset(buffer));
10539 locations.next();
10540 } else {
10541 break;
10542 }
10543 }
10544
10545 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
10546 ranges.extend(multibuffer.push_excerpts_with_context_lines(
10547 location.buffer.clone(),
10548 ranges_for_buffer,
10549 DEFAULT_MULTIBUFFER_CONTEXT,
10550 cx,
10551 ))
10552 }
10553
10554 multibuffer.with_title(title)
10555 });
10556
10557 let editor = cx.new(|cx| {
10558 Editor::for_multibuffer(
10559 excerpt_buffer,
10560 Some(workspace.project().clone()),
10561 true,
10562 window,
10563 cx,
10564 )
10565 });
10566 editor.update(cx, |editor, cx| {
10567 match multibuffer_selection_mode {
10568 MultibufferSelectionMode::First => {
10569 if let Some(first_range) = ranges.first() {
10570 editor.change_selections(None, window, cx, |selections| {
10571 selections.clear_disjoint();
10572 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
10573 });
10574 }
10575 editor.highlight_background::<Self>(
10576 &ranges,
10577 |theme| theme.editor_highlighted_line_background,
10578 cx,
10579 );
10580 }
10581 MultibufferSelectionMode::All => {
10582 editor.change_selections(None, window, cx, |selections| {
10583 selections.clear_disjoint();
10584 selections.select_anchor_ranges(ranges);
10585 });
10586 }
10587 }
10588 editor.register_buffers_with_language_servers(cx);
10589 });
10590
10591 let item = Box::new(editor);
10592 let item_id = item.item_id();
10593
10594 if split {
10595 workspace.split_item(SplitDirection::Right, item.clone(), window, cx);
10596 } else {
10597 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
10598 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
10599 pane.close_current_preview_item(window, cx)
10600 } else {
10601 None
10602 }
10603 });
10604 workspace.add_item_to_active_pane(item.clone(), destination_index, true, window, cx);
10605 }
10606 workspace.active_pane().update(cx, |pane, cx| {
10607 pane.set_preview_item_id(Some(item_id), cx);
10608 });
10609 }
10610
10611 pub fn rename(
10612 &mut self,
10613 _: &Rename,
10614 window: &mut Window,
10615 cx: &mut Context<Self>,
10616 ) -> Option<Task<Result<()>>> {
10617 use language::ToOffset as _;
10618
10619 let provider = self.semantics_provider.clone()?;
10620 let selection = self.selections.newest_anchor().clone();
10621 let (cursor_buffer, cursor_buffer_position) = self
10622 .buffer
10623 .read(cx)
10624 .text_anchor_for_position(selection.head(), cx)?;
10625 let (tail_buffer, cursor_buffer_position_end) = self
10626 .buffer
10627 .read(cx)
10628 .text_anchor_for_position(selection.tail(), cx)?;
10629 if tail_buffer != cursor_buffer {
10630 return None;
10631 }
10632
10633 let snapshot = cursor_buffer.read(cx).snapshot();
10634 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
10635 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
10636 let prepare_rename = provider
10637 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
10638 .unwrap_or_else(|| Task::ready(Ok(None)));
10639 drop(snapshot);
10640
10641 Some(cx.spawn_in(window, |this, mut cx| async move {
10642 let rename_range = if let Some(range) = prepare_rename.await? {
10643 Some(range)
10644 } else {
10645 this.update(&mut cx, |this, cx| {
10646 let buffer = this.buffer.read(cx).snapshot(cx);
10647 let mut buffer_highlights = this
10648 .document_highlights_for_position(selection.head(), &buffer)
10649 .filter(|highlight| {
10650 highlight.start.excerpt_id == selection.head().excerpt_id
10651 && highlight.end.excerpt_id == selection.head().excerpt_id
10652 });
10653 buffer_highlights
10654 .next()
10655 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
10656 })?
10657 };
10658 if let Some(rename_range) = rename_range {
10659 this.update_in(&mut cx, |this, window, cx| {
10660 let snapshot = cursor_buffer.read(cx).snapshot();
10661 let rename_buffer_range = rename_range.to_offset(&snapshot);
10662 let cursor_offset_in_rename_range =
10663 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
10664 let cursor_offset_in_rename_range_end =
10665 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
10666
10667 this.take_rename(false, window, cx);
10668 let buffer = this.buffer.read(cx).read(cx);
10669 let cursor_offset = selection.head().to_offset(&buffer);
10670 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
10671 let rename_end = rename_start + rename_buffer_range.len();
10672 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
10673 let mut old_highlight_id = None;
10674 let old_name: Arc<str> = buffer
10675 .chunks(rename_start..rename_end, true)
10676 .map(|chunk| {
10677 if old_highlight_id.is_none() {
10678 old_highlight_id = chunk.syntax_highlight_id;
10679 }
10680 chunk.text
10681 })
10682 .collect::<String>()
10683 .into();
10684
10685 drop(buffer);
10686
10687 // Position the selection in the rename editor so that it matches the current selection.
10688 this.show_local_selections = false;
10689 let rename_editor = cx.new(|cx| {
10690 let mut editor = Editor::single_line(window, cx);
10691 editor.buffer.update(cx, |buffer, cx| {
10692 buffer.edit([(0..0, old_name.clone())], None, cx)
10693 });
10694 let rename_selection_range = match cursor_offset_in_rename_range
10695 .cmp(&cursor_offset_in_rename_range_end)
10696 {
10697 Ordering::Equal => {
10698 editor.select_all(&SelectAll, window, cx);
10699 return editor;
10700 }
10701 Ordering::Less => {
10702 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
10703 }
10704 Ordering::Greater => {
10705 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
10706 }
10707 };
10708 if rename_selection_range.end > old_name.len() {
10709 editor.select_all(&SelectAll, window, cx);
10710 } else {
10711 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
10712 s.select_ranges([rename_selection_range]);
10713 });
10714 }
10715 editor
10716 });
10717 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
10718 if e == &EditorEvent::Focused {
10719 cx.emit(EditorEvent::FocusedIn)
10720 }
10721 })
10722 .detach();
10723
10724 let write_highlights =
10725 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
10726 let read_highlights =
10727 this.clear_background_highlights::<DocumentHighlightRead>(cx);
10728 let ranges = write_highlights
10729 .iter()
10730 .flat_map(|(_, ranges)| ranges.iter())
10731 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
10732 .cloned()
10733 .collect();
10734
10735 this.highlight_text::<Rename>(
10736 ranges,
10737 HighlightStyle {
10738 fade_out: Some(0.6),
10739 ..Default::default()
10740 },
10741 cx,
10742 );
10743 let rename_focus_handle = rename_editor.focus_handle(cx);
10744 window.focus(&rename_focus_handle);
10745 let block_id = this.insert_blocks(
10746 [BlockProperties {
10747 style: BlockStyle::Flex,
10748 placement: BlockPlacement::Below(range.start),
10749 height: 1,
10750 render: Arc::new({
10751 let rename_editor = rename_editor.clone();
10752 move |cx: &mut BlockContext| {
10753 let mut text_style = cx.editor_style.text.clone();
10754 if let Some(highlight_style) = old_highlight_id
10755 .and_then(|h| h.style(&cx.editor_style.syntax))
10756 {
10757 text_style = text_style.highlight(highlight_style);
10758 }
10759 div()
10760 .block_mouse_down()
10761 .pl(cx.anchor_x)
10762 .child(EditorElement::new(
10763 &rename_editor,
10764 EditorStyle {
10765 background: cx.theme().system().transparent,
10766 local_player: cx.editor_style.local_player,
10767 text: text_style,
10768 scrollbar_width: cx.editor_style.scrollbar_width,
10769 syntax: cx.editor_style.syntax.clone(),
10770 status: cx.editor_style.status.clone(),
10771 inlay_hints_style: HighlightStyle {
10772 font_weight: Some(FontWeight::BOLD),
10773 ..make_inlay_hints_style(cx.app)
10774 },
10775 inline_completion_styles: make_suggestion_styles(
10776 cx.app,
10777 ),
10778 ..EditorStyle::default()
10779 },
10780 ))
10781 .into_any_element()
10782 }
10783 }),
10784 priority: 0,
10785 }],
10786 Some(Autoscroll::fit()),
10787 cx,
10788 )[0];
10789 this.pending_rename = Some(RenameState {
10790 range,
10791 old_name,
10792 editor: rename_editor,
10793 block_id,
10794 });
10795 })?;
10796 }
10797
10798 Ok(())
10799 }))
10800 }
10801
10802 pub fn confirm_rename(
10803 &mut self,
10804 _: &ConfirmRename,
10805 window: &mut Window,
10806 cx: &mut Context<Self>,
10807 ) -> Option<Task<Result<()>>> {
10808 let rename = self.take_rename(false, window, cx)?;
10809 let workspace = self.workspace()?.downgrade();
10810 let (buffer, start) = self
10811 .buffer
10812 .read(cx)
10813 .text_anchor_for_position(rename.range.start, cx)?;
10814 let (end_buffer, _) = self
10815 .buffer
10816 .read(cx)
10817 .text_anchor_for_position(rename.range.end, cx)?;
10818 if buffer != end_buffer {
10819 return None;
10820 }
10821
10822 let old_name = rename.old_name;
10823 let new_name = rename.editor.read(cx).text(cx);
10824
10825 let rename = self.semantics_provider.as_ref()?.perform_rename(
10826 &buffer,
10827 start,
10828 new_name.clone(),
10829 cx,
10830 )?;
10831
10832 Some(cx.spawn_in(window, |editor, mut cx| async move {
10833 let project_transaction = rename.await?;
10834 Self::open_project_transaction(
10835 &editor,
10836 workspace,
10837 project_transaction,
10838 format!("Rename: {} → {}", old_name, new_name),
10839 cx.clone(),
10840 )
10841 .await?;
10842
10843 editor.update(&mut cx, |editor, cx| {
10844 editor.refresh_document_highlights(cx);
10845 })?;
10846 Ok(())
10847 }))
10848 }
10849
10850 fn take_rename(
10851 &mut self,
10852 moving_cursor: bool,
10853 window: &mut Window,
10854 cx: &mut Context<Self>,
10855 ) -> Option<RenameState> {
10856 let rename = self.pending_rename.take()?;
10857 if rename.editor.focus_handle(cx).is_focused(window) {
10858 window.focus(&self.focus_handle);
10859 }
10860
10861 self.remove_blocks(
10862 [rename.block_id].into_iter().collect(),
10863 Some(Autoscroll::fit()),
10864 cx,
10865 );
10866 self.clear_highlights::<Rename>(cx);
10867 self.show_local_selections = true;
10868
10869 if moving_cursor {
10870 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
10871 editor.selections.newest::<usize>(cx).head()
10872 });
10873
10874 // Update the selection to match the position of the selection inside
10875 // the rename editor.
10876 let snapshot = self.buffer.read(cx).read(cx);
10877 let rename_range = rename.range.to_offset(&snapshot);
10878 let cursor_in_editor = snapshot
10879 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
10880 .min(rename_range.end);
10881 drop(snapshot);
10882
10883 self.change_selections(None, window, cx, |s| {
10884 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
10885 });
10886 } else {
10887 self.refresh_document_highlights(cx);
10888 }
10889
10890 Some(rename)
10891 }
10892
10893 pub fn pending_rename(&self) -> Option<&RenameState> {
10894 self.pending_rename.as_ref()
10895 }
10896
10897 fn format(
10898 &mut self,
10899 _: &Format,
10900 window: &mut Window,
10901 cx: &mut Context<Self>,
10902 ) -> Option<Task<Result<()>>> {
10903 let project = match &self.project {
10904 Some(project) => project.clone(),
10905 None => return None,
10906 };
10907
10908 Some(self.perform_format(
10909 project,
10910 FormatTrigger::Manual,
10911 FormatTarget::Buffers,
10912 window,
10913 cx,
10914 ))
10915 }
10916
10917 fn format_selections(
10918 &mut self,
10919 _: &FormatSelections,
10920 window: &mut Window,
10921 cx: &mut Context<Self>,
10922 ) -> Option<Task<Result<()>>> {
10923 let project = match &self.project {
10924 Some(project) => project.clone(),
10925 None => return None,
10926 };
10927
10928 let ranges = self
10929 .selections
10930 .all_adjusted(cx)
10931 .into_iter()
10932 .map(|selection| selection.range())
10933 .collect_vec();
10934
10935 Some(self.perform_format(
10936 project,
10937 FormatTrigger::Manual,
10938 FormatTarget::Ranges(ranges),
10939 window,
10940 cx,
10941 ))
10942 }
10943
10944 fn perform_format(
10945 &mut self,
10946 project: Entity<Project>,
10947 trigger: FormatTrigger,
10948 target: FormatTarget,
10949 window: &mut Window,
10950 cx: &mut Context<Self>,
10951 ) -> Task<Result<()>> {
10952 let buffer = self.buffer.clone();
10953 let (buffers, target) = match target {
10954 FormatTarget::Buffers => {
10955 let mut buffers = buffer.read(cx).all_buffers();
10956 if trigger == FormatTrigger::Save {
10957 buffers.retain(|buffer| buffer.read(cx).is_dirty());
10958 }
10959 (buffers, LspFormatTarget::Buffers)
10960 }
10961 FormatTarget::Ranges(selection_ranges) => {
10962 let multi_buffer = buffer.read(cx);
10963 let snapshot = multi_buffer.read(cx);
10964 let mut buffers = HashSet::default();
10965 let mut buffer_id_to_ranges: BTreeMap<BufferId, Vec<Range<text::Anchor>>> =
10966 BTreeMap::new();
10967 for selection_range in selection_ranges {
10968 for (buffer, buffer_range, _) in
10969 snapshot.range_to_buffer_ranges(selection_range)
10970 {
10971 let buffer_id = buffer.remote_id();
10972 let start = buffer.anchor_before(buffer_range.start);
10973 let end = buffer.anchor_after(buffer_range.end);
10974 buffers.insert(multi_buffer.buffer(buffer_id).unwrap());
10975 buffer_id_to_ranges
10976 .entry(buffer_id)
10977 .and_modify(|buffer_ranges| buffer_ranges.push(start..end))
10978 .or_insert_with(|| vec![start..end]);
10979 }
10980 }
10981 (buffers, LspFormatTarget::Ranges(buffer_id_to_ranges))
10982 }
10983 };
10984
10985 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
10986 let format = project.update(cx, |project, cx| {
10987 project.format(buffers, target, true, trigger, cx)
10988 });
10989
10990 cx.spawn_in(window, |_, mut cx| async move {
10991 let transaction = futures::select_biased! {
10992 () = timeout => {
10993 log::warn!("timed out waiting for formatting");
10994 None
10995 }
10996 transaction = format.log_err().fuse() => transaction,
10997 };
10998
10999 buffer
11000 .update(&mut cx, |buffer, cx| {
11001 if let Some(transaction) = transaction {
11002 if !buffer.is_singleton() {
11003 buffer.push_transaction(&transaction.0, cx);
11004 }
11005 }
11006
11007 cx.notify();
11008 })
11009 .ok();
11010
11011 Ok(())
11012 })
11013 }
11014
11015 fn restart_language_server(
11016 &mut self,
11017 _: &RestartLanguageServer,
11018 _: &mut Window,
11019 cx: &mut Context<Self>,
11020 ) {
11021 if let Some(project) = self.project.clone() {
11022 self.buffer.update(cx, |multi_buffer, cx| {
11023 project.update(cx, |project, cx| {
11024 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
11025 });
11026 })
11027 }
11028 }
11029
11030 fn cancel_language_server_work(
11031 &mut self,
11032 _: &actions::CancelLanguageServerWork,
11033 _: &mut Window,
11034 cx: &mut Context<Self>,
11035 ) {
11036 if let Some(project) = self.project.clone() {
11037 self.buffer.update(cx, |multi_buffer, cx| {
11038 project.update(cx, |project, cx| {
11039 project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
11040 });
11041 })
11042 }
11043 }
11044
11045 fn show_character_palette(
11046 &mut self,
11047 _: &ShowCharacterPalette,
11048 window: &mut Window,
11049 _: &mut Context<Self>,
11050 ) {
11051 window.show_character_palette();
11052 }
11053
11054 fn refresh_active_diagnostics(&mut self, cx: &mut Context<Editor>) {
11055 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
11056 let buffer = self.buffer.read(cx).snapshot(cx);
11057 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
11058 let is_valid = buffer
11059 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone())
11060 .any(|entry| {
11061 entry.diagnostic.is_primary
11062 && !entry.range.is_empty()
11063 && entry.range.start == primary_range_start
11064 && entry.diagnostic.message == active_diagnostics.primary_message
11065 });
11066
11067 if is_valid != active_diagnostics.is_valid {
11068 active_diagnostics.is_valid = is_valid;
11069 let mut new_styles = HashMap::default();
11070 for (block_id, diagnostic) in &active_diagnostics.blocks {
11071 new_styles.insert(
11072 *block_id,
11073 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
11074 );
11075 }
11076 self.display_map.update(cx, |display_map, _cx| {
11077 display_map.replace_blocks(new_styles)
11078 });
11079 }
11080 }
11081 }
11082
11083 fn activate_diagnostics(
11084 &mut self,
11085 buffer_id: BufferId,
11086 group_id: usize,
11087 window: &mut Window,
11088 cx: &mut Context<Self>,
11089 ) {
11090 self.dismiss_diagnostics(cx);
11091 let snapshot = self.snapshot(window, cx);
11092 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
11093 let buffer = self.buffer.read(cx).snapshot(cx);
11094
11095 let mut primary_range = None;
11096 let mut primary_message = None;
11097 let diagnostic_group = buffer
11098 .diagnostic_group(buffer_id, group_id)
11099 .filter_map(|entry| {
11100 let start = entry.range.start;
11101 let end = entry.range.end;
11102 if snapshot.is_line_folded(MultiBufferRow(start.row))
11103 && (start.row == end.row
11104 || snapshot.is_line_folded(MultiBufferRow(end.row)))
11105 {
11106 return None;
11107 }
11108 if entry.diagnostic.is_primary {
11109 primary_range = Some(entry.range.clone());
11110 primary_message = Some(entry.diagnostic.message.clone());
11111 }
11112 Some(entry)
11113 })
11114 .collect::<Vec<_>>();
11115 let primary_range = primary_range?;
11116 let primary_message = primary_message?;
11117
11118 let blocks = display_map
11119 .insert_blocks(
11120 diagnostic_group.iter().map(|entry| {
11121 let diagnostic = entry.diagnostic.clone();
11122 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
11123 BlockProperties {
11124 style: BlockStyle::Fixed,
11125 placement: BlockPlacement::Below(
11126 buffer.anchor_after(entry.range.start),
11127 ),
11128 height: message_height,
11129 render: diagnostic_block_renderer(diagnostic, None, true, true),
11130 priority: 0,
11131 }
11132 }),
11133 cx,
11134 )
11135 .into_iter()
11136 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
11137 .collect();
11138
11139 Some(ActiveDiagnosticGroup {
11140 primary_range: buffer.anchor_before(primary_range.start)
11141 ..buffer.anchor_after(primary_range.end),
11142 primary_message,
11143 group_id,
11144 blocks,
11145 is_valid: true,
11146 })
11147 });
11148 }
11149
11150 fn dismiss_diagnostics(&mut self, cx: &mut Context<Self>) {
11151 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
11152 self.display_map.update(cx, |display_map, cx| {
11153 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
11154 });
11155 cx.notify();
11156 }
11157 }
11158
11159 pub fn set_selections_from_remote(
11160 &mut self,
11161 selections: Vec<Selection<Anchor>>,
11162 pending_selection: Option<Selection<Anchor>>,
11163 window: &mut Window,
11164 cx: &mut Context<Self>,
11165 ) {
11166 let old_cursor_position = self.selections.newest_anchor().head();
11167 self.selections.change_with(cx, |s| {
11168 s.select_anchors(selections);
11169 if let Some(pending_selection) = pending_selection {
11170 s.set_pending(pending_selection, SelectMode::Character);
11171 } else {
11172 s.clear_pending();
11173 }
11174 });
11175 self.selections_did_change(false, &old_cursor_position, true, window, cx);
11176 }
11177
11178 fn push_to_selection_history(&mut self) {
11179 self.selection_history.push(SelectionHistoryEntry {
11180 selections: self.selections.disjoint_anchors(),
11181 select_next_state: self.select_next_state.clone(),
11182 select_prev_state: self.select_prev_state.clone(),
11183 add_selections_state: self.add_selections_state.clone(),
11184 });
11185 }
11186
11187 pub fn transact(
11188 &mut self,
11189 window: &mut Window,
11190 cx: &mut Context<Self>,
11191 update: impl FnOnce(&mut Self, &mut Window, &mut Context<Self>),
11192 ) -> Option<TransactionId> {
11193 self.start_transaction_at(Instant::now(), window, cx);
11194 update(self, window, cx);
11195 self.end_transaction_at(Instant::now(), cx)
11196 }
11197
11198 pub fn start_transaction_at(
11199 &mut self,
11200 now: Instant,
11201 window: &mut Window,
11202 cx: &mut Context<Self>,
11203 ) {
11204 self.end_selection(window, cx);
11205 if let Some(tx_id) = self
11206 .buffer
11207 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
11208 {
11209 self.selection_history
11210 .insert_transaction(tx_id, self.selections.disjoint_anchors());
11211 cx.emit(EditorEvent::TransactionBegun {
11212 transaction_id: tx_id,
11213 })
11214 }
11215 }
11216
11217 pub fn end_transaction_at(
11218 &mut self,
11219 now: Instant,
11220 cx: &mut Context<Self>,
11221 ) -> Option<TransactionId> {
11222 if let Some(transaction_id) = self
11223 .buffer
11224 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
11225 {
11226 if let Some((_, end_selections)) =
11227 self.selection_history.transaction_mut(transaction_id)
11228 {
11229 *end_selections = Some(self.selections.disjoint_anchors());
11230 } else {
11231 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
11232 }
11233
11234 cx.emit(EditorEvent::Edited { transaction_id });
11235 Some(transaction_id)
11236 } else {
11237 None
11238 }
11239 }
11240
11241 pub fn set_mark(&mut self, _: &actions::SetMark, window: &mut Window, cx: &mut Context<Self>) {
11242 if self.selection_mark_mode {
11243 self.change_selections(None, window, cx, |s| {
11244 s.move_with(|_, sel| {
11245 sel.collapse_to(sel.head(), SelectionGoal::None);
11246 });
11247 })
11248 }
11249 self.selection_mark_mode = true;
11250 cx.notify();
11251 }
11252
11253 pub fn swap_selection_ends(
11254 &mut self,
11255 _: &actions::SwapSelectionEnds,
11256 window: &mut Window,
11257 cx: &mut Context<Self>,
11258 ) {
11259 self.change_selections(None, window, cx, |s| {
11260 s.move_with(|_, sel| {
11261 if sel.start != sel.end {
11262 sel.reversed = !sel.reversed
11263 }
11264 });
11265 });
11266 self.request_autoscroll(Autoscroll::newest(), cx);
11267 cx.notify();
11268 }
11269
11270 pub fn toggle_fold(
11271 &mut self,
11272 _: &actions::ToggleFold,
11273 window: &mut Window,
11274 cx: &mut Context<Self>,
11275 ) {
11276 if self.is_singleton(cx) {
11277 let selection = self.selections.newest::<Point>(cx);
11278
11279 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11280 let range = if selection.is_empty() {
11281 let point = selection.head().to_display_point(&display_map);
11282 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11283 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11284 .to_point(&display_map);
11285 start..end
11286 } else {
11287 selection.range()
11288 };
11289 if display_map.folds_in_range(range).next().is_some() {
11290 self.unfold_lines(&Default::default(), window, cx)
11291 } else {
11292 self.fold(&Default::default(), window, cx)
11293 }
11294 } else {
11295 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11296 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11297 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11298 .map(|(snapshot, _, _)| snapshot.remote_id())
11299 .collect();
11300
11301 for buffer_id in buffer_ids {
11302 if self.is_buffer_folded(buffer_id, cx) {
11303 self.unfold_buffer(buffer_id, cx);
11304 } else {
11305 self.fold_buffer(buffer_id, cx);
11306 }
11307 }
11308 }
11309 }
11310
11311 pub fn toggle_fold_recursive(
11312 &mut self,
11313 _: &actions::ToggleFoldRecursive,
11314 window: &mut Window,
11315 cx: &mut Context<Self>,
11316 ) {
11317 let selection = self.selections.newest::<Point>(cx);
11318
11319 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11320 let range = if selection.is_empty() {
11321 let point = selection.head().to_display_point(&display_map);
11322 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
11323 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
11324 .to_point(&display_map);
11325 start..end
11326 } else {
11327 selection.range()
11328 };
11329 if display_map.folds_in_range(range).next().is_some() {
11330 self.unfold_recursive(&Default::default(), window, cx)
11331 } else {
11332 self.fold_recursive(&Default::default(), window, cx)
11333 }
11334 }
11335
11336 pub fn fold(&mut self, _: &actions::Fold, window: &mut Window, cx: &mut Context<Self>) {
11337 if self.is_singleton(cx) {
11338 let mut to_fold = Vec::new();
11339 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11340 let selections = self.selections.all_adjusted(cx);
11341
11342 for selection in selections {
11343 let range = selection.range().sorted();
11344 let buffer_start_row = range.start.row;
11345
11346 if range.start.row != range.end.row {
11347 let mut found = false;
11348 let mut row = range.start.row;
11349 while row <= range.end.row {
11350 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
11351 {
11352 found = true;
11353 row = crease.range().end.row + 1;
11354 to_fold.push(crease);
11355 } else {
11356 row += 1
11357 }
11358 }
11359 if found {
11360 continue;
11361 }
11362 }
11363
11364 for row in (0..=range.start.row).rev() {
11365 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11366 if crease.range().end.row >= buffer_start_row {
11367 to_fold.push(crease);
11368 if row <= range.start.row {
11369 break;
11370 }
11371 }
11372 }
11373 }
11374 }
11375
11376 self.fold_creases(to_fold, true, window, cx);
11377 } else {
11378 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11379
11380 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11381 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11382 .map(|(snapshot, _, _)| snapshot.remote_id())
11383 .collect();
11384 for buffer_id in buffer_ids {
11385 self.fold_buffer(buffer_id, cx);
11386 }
11387 }
11388 }
11389
11390 fn fold_at_level(
11391 &mut self,
11392 fold_at: &FoldAtLevel,
11393 window: &mut Window,
11394 cx: &mut Context<Self>,
11395 ) {
11396 if !self.buffer.read(cx).is_singleton() {
11397 return;
11398 }
11399
11400 let fold_at_level = fold_at.level;
11401 let snapshot = self.buffer.read(cx).snapshot(cx);
11402 let mut to_fold = Vec::new();
11403 let mut stack = vec![(0, snapshot.max_row().0, 1)];
11404
11405 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
11406 while start_row < end_row {
11407 match self
11408 .snapshot(window, cx)
11409 .crease_for_buffer_row(MultiBufferRow(start_row))
11410 {
11411 Some(crease) => {
11412 let nested_start_row = crease.range().start.row + 1;
11413 let nested_end_row = crease.range().end.row;
11414
11415 if current_level < fold_at_level {
11416 stack.push((nested_start_row, nested_end_row, current_level + 1));
11417 } else if current_level == fold_at_level {
11418 to_fold.push(crease);
11419 }
11420
11421 start_row = nested_end_row + 1;
11422 }
11423 None => start_row += 1,
11424 }
11425 }
11426 }
11427
11428 self.fold_creases(to_fold, true, window, cx);
11429 }
11430
11431 pub fn fold_all(&mut self, _: &actions::FoldAll, window: &mut Window, cx: &mut Context<Self>) {
11432 if self.buffer.read(cx).is_singleton() {
11433 let mut fold_ranges = Vec::new();
11434 let snapshot = self.buffer.read(cx).snapshot(cx);
11435
11436 for row in 0..snapshot.max_row().0 {
11437 if let Some(foldable_range) = self
11438 .snapshot(window, cx)
11439 .crease_for_buffer_row(MultiBufferRow(row))
11440 {
11441 fold_ranges.push(foldable_range);
11442 }
11443 }
11444
11445 self.fold_creases(fold_ranges, true, window, cx);
11446 } else {
11447 self.toggle_fold_multiple_buffers = cx.spawn_in(window, |editor, mut cx| async move {
11448 editor
11449 .update_in(&mut cx, |editor, _, cx| {
11450 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11451 editor.fold_buffer(buffer_id, cx);
11452 }
11453 })
11454 .ok();
11455 });
11456 }
11457 }
11458
11459 pub fn fold_function_bodies(
11460 &mut self,
11461 _: &actions::FoldFunctionBodies,
11462 window: &mut Window,
11463 cx: &mut Context<Self>,
11464 ) {
11465 let snapshot = self.buffer.read(cx).snapshot(cx);
11466
11467 let ranges = snapshot
11468 .text_object_ranges(0..snapshot.len(), TreeSitterOptions::default())
11469 .filter_map(|(range, obj)| (obj == TextObject::InsideFunction).then_some(range))
11470 .collect::<Vec<_>>();
11471
11472 let creases = ranges
11473 .into_iter()
11474 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
11475 .collect();
11476
11477 self.fold_creases(creases, true, window, cx);
11478 }
11479
11480 pub fn fold_recursive(
11481 &mut self,
11482 _: &actions::FoldRecursive,
11483 window: &mut Window,
11484 cx: &mut Context<Self>,
11485 ) {
11486 let mut to_fold = Vec::new();
11487 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11488 let selections = self.selections.all_adjusted(cx);
11489
11490 for selection in selections {
11491 let range = selection.range().sorted();
11492 let buffer_start_row = range.start.row;
11493
11494 if range.start.row != range.end.row {
11495 let mut found = false;
11496 for row in range.start.row..=range.end.row {
11497 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11498 found = true;
11499 to_fold.push(crease);
11500 }
11501 }
11502 if found {
11503 continue;
11504 }
11505 }
11506
11507 for row in (0..=range.start.row).rev() {
11508 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
11509 if crease.range().end.row >= buffer_start_row {
11510 to_fold.push(crease);
11511 } else {
11512 break;
11513 }
11514 }
11515 }
11516 }
11517
11518 self.fold_creases(to_fold, true, window, cx);
11519 }
11520
11521 pub fn fold_at(&mut self, fold_at: &FoldAt, window: &mut Window, cx: &mut Context<Self>) {
11522 let buffer_row = fold_at.buffer_row;
11523 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11524
11525 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
11526 let autoscroll = self
11527 .selections
11528 .all::<Point>(cx)
11529 .iter()
11530 .any(|selection| crease.range().overlaps(&selection.range()));
11531
11532 self.fold_creases(vec![crease], autoscroll, window, cx);
11533 }
11534 }
11535
11536 pub fn unfold_lines(&mut self, _: &UnfoldLines, _window: &mut Window, cx: &mut Context<Self>) {
11537 if self.is_singleton(cx) {
11538 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11539 let buffer = &display_map.buffer_snapshot;
11540 let selections = self.selections.all::<Point>(cx);
11541 let ranges = selections
11542 .iter()
11543 .map(|s| {
11544 let range = s.display_range(&display_map).sorted();
11545 let mut start = range.start.to_point(&display_map);
11546 let mut end = range.end.to_point(&display_map);
11547 start.column = 0;
11548 end.column = buffer.line_len(MultiBufferRow(end.row));
11549 start..end
11550 })
11551 .collect::<Vec<_>>();
11552
11553 self.unfold_ranges(&ranges, true, true, cx);
11554 } else {
11555 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
11556 let buffer_ids: HashSet<_> = multi_buffer_snapshot
11557 .ranges_to_buffer_ranges(self.selections.disjoint_anchor_ranges())
11558 .map(|(snapshot, _, _)| snapshot.remote_id())
11559 .collect();
11560 for buffer_id in buffer_ids {
11561 self.unfold_buffer(buffer_id, cx);
11562 }
11563 }
11564 }
11565
11566 pub fn unfold_recursive(
11567 &mut self,
11568 _: &UnfoldRecursive,
11569 _window: &mut Window,
11570 cx: &mut Context<Self>,
11571 ) {
11572 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11573 let selections = self.selections.all::<Point>(cx);
11574 let ranges = selections
11575 .iter()
11576 .map(|s| {
11577 let mut range = s.display_range(&display_map).sorted();
11578 *range.start.column_mut() = 0;
11579 *range.end.column_mut() = display_map.line_len(range.end.row());
11580 let start = range.start.to_point(&display_map);
11581 let end = range.end.to_point(&display_map);
11582 start..end
11583 })
11584 .collect::<Vec<_>>();
11585
11586 self.unfold_ranges(&ranges, true, true, cx);
11587 }
11588
11589 pub fn unfold_at(
11590 &mut self,
11591 unfold_at: &UnfoldAt,
11592 _window: &mut Window,
11593 cx: &mut Context<Self>,
11594 ) {
11595 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11596
11597 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
11598 ..Point::new(
11599 unfold_at.buffer_row.0,
11600 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
11601 );
11602
11603 let autoscroll = self
11604 .selections
11605 .all::<Point>(cx)
11606 .iter()
11607 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
11608
11609 self.unfold_ranges(&[intersection_range], true, autoscroll, cx);
11610 }
11611
11612 pub fn unfold_all(
11613 &mut self,
11614 _: &actions::UnfoldAll,
11615 _window: &mut Window,
11616 cx: &mut Context<Self>,
11617 ) {
11618 if self.buffer.read(cx).is_singleton() {
11619 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11620 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
11621 } else {
11622 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
11623 editor
11624 .update(&mut cx, |editor, cx| {
11625 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
11626 editor.unfold_buffer(buffer_id, cx);
11627 }
11628 })
11629 .ok();
11630 });
11631 }
11632 }
11633
11634 pub fn fold_selected_ranges(
11635 &mut self,
11636 _: &FoldSelectedRanges,
11637 window: &mut Window,
11638 cx: &mut Context<Self>,
11639 ) {
11640 let selections = self.selections.all::<Point>(cx);
11641 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11642 let line_mode = self.selections.line_mode;
11643 let ranges = selections
11644 .into_iter()
11645 .map(|s| {
11646 if line_mode {
11647 let start = Point::new(s.start.row, 0);
11648 let end = Point::new(
11649 s.end.row,
11650 display_map
11651 .buffer_snapshot
11652 .line_len(MultiBufferRow(s.end.row)),
11653 );
11654 Crease::simple(start..end, display_map.fold_placeholder.clone())
11655 } else {
11656 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
11657 }
11658 })
11659 .collect::<Vec<_>>();
11660 self.fold_creases(ranges, true, window, cx);
11661 }
11662
11663 pub fn fold_ranges<T: ToOffset + Clone>(
11664 &mut self,
11665 ranges: Vec<Range<T>>,
11666 auto_scroll: bool,
11667 window: &mut Window,
11668 cx: &mut Context<Self>,
11669 ) {
11670 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
11671 let ranges = ranges
11672 .into_iter()
11673 .map(|r| Crease::simple(r, display_map.fold_placeholder.clone()))
11674 .collect::<Vec<_>>();
11675 self.fold_creases(ranges, auto_scroll, window, cx);
11676 }
11677
11678 pub fn fold_creases<T: ToOffset + Clone>(
11679 &mut self,
11680 creases: Vec<Crease<T>>,
11681 auto_scroll: bool,
11682 window: &mut Window,
11683 cx: &mut Context<Self>,
11684 ) {
11685 if creases.is_empty() {
11686 return;
11687 }
11688
11689 let mut buffers_affected = HashSet::default();
11690 let multi_buffer = self.buffer().read(cx);
11691 for crease in &creases {
11692 if let Some((_, buffer, _)) =
11693 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
11694 {
11695 buffers_affected.insert(buffer.read(cx).remote_id());
11696 };
11697 }
11698
11699 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
11700
11701 if auto_scroll {
11702 self.request_autoscroll(Autoscroll::fit(), cx);
11703 }
11704
11705 cx.notify();
11706
11707 if let Some(active_diagnostics) = self.active_diagnostics.take() {
11708 // Clear diagnostics block when folding a range that contains it.
11709 let snapshot = self.snapshot(window, cx);
11710 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
11711 drop(snapshot);
11712 self.active_diagnostics = Some(active_diagnostics);
11713 self.dismiss_diagnostics(cx);
11714 } else {
11715 self.active_diagnostics = Some(active_diagnostics);
11716 }
11717 }
11718
11719 self.scrollbar_marker_state.dirty = true;
11720 }
11721
11722 /// Removes any folds whose ranges intersect any of the given ranges.
11723 pub fn unfold_ranges<T: ToOffset + Clone>(
11724 &mut self,
11725 ranges: &[Range<T>],
11726 inclusive: bool,
11727 auto_scroll: bool,
11728 cx: &mut Context<Self>,
11729 ) {
11730 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11731 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
11732 });
11733 }
11734
11735 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11736 if self.buffer().read(cx).is_singleton() || self.is_buffer_folded(buffer_id, cx) {
11737 return;
11738 }
11739 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11740 return;
11741 };
11742 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11743 self.display_map
11744 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
11745 cx.emit(EditorEvent::BufferFoldToggled {
11746 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
11747 folded: true,
11748 });
11749 cx.notify();
11750 }
11751
11752 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut Context<Self>) {
11753 if self.buffer().read(cx).is_singleton() || !self.is_buffer_folded(buffer_id, cx) {
11754 return;
11755 }
11756 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
11757 return;
11758 };
11759 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
11760 self.display_map.update(cx, |display_map, cx| {
11761 display_map.unfold_buffer(buffer_id, cx);
11762 });
11763 cx.emit(EditorEvent::BufferFoldToggled {
11764 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
11765 folded: false,
11766 });
11767 cx.notify();
11768 }
11769
11770 pub fn is_buffer_folded(&self, buffer: BufferId, cx: &App) -> bool {
11771 self.display_map.read(cx).is_buffer_folded(buffer)
11772 }
11773
11774 pub fn folded_buffers<'a>(&self, cx: &'a App) -> &'a HashSet<BufferId> {
11775 self.display_map.read(cx).folded_buffers()
11776 }
11777
11778 /// Removes any folds with the given ranges.
11779 pub fn remove_folds_with_type<T: ToOffset + Clone>(
11780 &mut self,
11781 ranges: &[Range<T>],
11782 type_id: TypeId,
11783 auto_scroll: bool,
11784 cx: &mut Context<Self>,
11785 ) {
11786 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
11787 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
11788 });
11789 }
11790
11791 fn remove_folds_with<T: ToOffset + Clone>(
11792 &mut self,
11793 ranges: &[Range<T>],
11794 auto_scroll: bool,
11795 cx: &mut Context<Self>,
11796 update: impl FnOnce(&mut DisplayMap, &mut Context<DisplayMap>),
11797 ) {
11798 if ranges.is_empty() {
11799 return;
11800 }
11801
11802 let mut buffers_affected = HashSet::default();
11803 let multi_buffer = self.buffer().read(cx);
11804 for range in ranges {
11805 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
11806 buffers_affected.insert(buffer.read(cx).remote_id());
11807 };
11808 }
11809
11810 self.display_map.update(cx, update);
11811
11812 if auto_scroll {
11813 self.request_autoscroll(Autoscroll::fit(), cx);
11814 }
11815
11816 cx.notify();
11817 self.scrollbar_marker_state.dirty = true;
11818 self.active_indent_guides_state.dirty = true;
11819 }
11820
11821 pub fn default_fold_placeholder(&self, cx: &App) -> FoldPlaceholder {
11822 self.display_map.read(cx).fold_placeholder.clone()
11823 }
11824
11825 pub fn set_expand_all_diff_hunks(&mut self, cx: &mut App) {
11826 self.buffer.update(cx, |buffer, cx| {
11827 buffer.set_all_diff_hunks_expanded(cx);
11828 });
11829 }
11830
11831 pub fn expand_all_diff_hunks(
11832 &mut self,
11833 _: &ExpandAllHunkDiffs,
11834 _window: &mut Window,
11835 cx: &mut Context<Self>,
11836 ) {
11837 self.buffer.update(cx, |buffer, cx| {
11838 buffer.expand_diff_hunks(vec![Anchor::min()..Anchor::max()], cx)
11839 });
11840 }
11841
11842 pub fn toggle_selected_diff_hunks(
11843 &mut self,
11844 _: &ToggleSelectedDiffHunks,
11845 _window: &mut Window,
11846 cx: &mut Context<Self>,
11847 ) {
11848 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11849 self.toggle_diff_hunks_in_ranges(ranges, cx);
11850 }
11851
11852 pub fn expand_selected_diff_hunks(&mut self, cx: &mut Context<Self>) {
11853 let ranges: Vec<_> = self.selections.disjoint.iter().map(|s| s.range()).collect();
11854 self.buffer
11855 .update(cx, |buffer, cx| buffer.expand_diff_hunks(ranges, cx))
11856 }
11857
11858 pub fn clear_expanded_diff_hunks(&mut self, cx: &mut Context<Self>) -> bool {
11859 self.buffer.update(cx, |buffer, cx| {
11860 let ranges = vec![Anchor::min()..Anchor::max()];
11861 if !buffer.all_diff_hunks_expanded()
11862 && buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx)
11863 {
11864 buffer.collapse_diff_hunks(ranges, cx);
11865 true
11866 } else {
11867 false
11868 }
11869 })
11870 }
11871
11872 fn toggle_diff_hunks_in_ranges(
11873 &mut self,
11874 ranges: Vec<Range<Anchor>>,
11875 cx: &mut Context<'_, Editor>,
11876 ) {
11877 self.buffer.update(cx, |buffer, cx| {
11878 if buffer.has_expanded_diff_hunks_in_ranges(&ranges, cx) {
11879 buffer.collapse_diff_hunks(ranges, cx)
11880 } else {
11881 buffer.expand_diff_hunks(ranges, cx)
11882 }
11883 })
11884 }
11885
11886 pub(crate) fn apply_all_diff_hunks(
11887 &mut self,
11888 _: &ApplyAllDiffHunks,
11889 window: &mut Window,
11890 cx: &mut Context<Self>,
11891 ) {
11892 let buffers = self.buffer.read(cx).all_buffers();
11893 for branch_buffer in buffers {
11894 branch_buffer.update(cx, |branch_buffer, cx| {
11895 branch_buffer.merge_into_base(Vec::new(), cx);
11896 });
11897 }
11898
11899 if let Some(project) = self.project.clone() {
11900 self.save(true, project, window, cx).detach_and_log_err(cx);
11901 }
11902 }
11903
11904 pub(crate) fn apply_selected_diff_hunks(
11905 &mut self,
11906 _: &ApplyDiffHunk,
11907 window: &mut Window,
11908 cx: &mut Context<Self>,
11909 ) {
11910 let snapshot = self.snapshot(window, cx);
11911 let hunks = snapshot.hunks_for_ranges(self.selections.ranges(cx).into_iter());
11912 let mut ranges_by_buffer = HashMap::default();
11913 self.transact(window, cx, |editor, _window, cx| {
11914 for hunk in hunks {
11915 if let Some(buffer) = editor.buffer.read(cx).buffer(hunk.buffer_id) {
11916 ranges_by_buffer
11917 .entry(buffer.clone())
11918 .or_insert_with(Vec::new)
11919 .push(hunk.buffer_range.to_offset(buffer.read(cx)));
11920 }
11921 }
11922
11923 for (buffer, ranges) in ranges_by_buffer {
11924 buffer.update(cx, |buffer, cx| {
11925 buffer.merge_into_base(ranges, cx);
11926 });
11927 }
11928 });
11929
11930 if let Some(project) = self.project.clone() {
11931 self.save(true, project, window, cx).detach_and_log_err(cx);
11932 }
11933 }
11934
11935 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut Context<Self>) {
11936 if hovered != self.gutter_hovered {
11937 self.gutter_hovered = hovered;
11938 cx.notify();
11939 }
11940 }
11941
11942 pub fn insert_blocks(
11943 &mut self,
11944 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
11945 autoscroll: Option<Autoscroll>,
11946 cx: &mut Context<Self>,
11947 ) -> Vec<CustomBlockId> {
11948 let blocks = self
11949 .display_map
11950 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
11951 if let Some(autoscroll) = autoscroll {
11952 self.request_autoscroll(autoscroll, cx);
11953 }
11954 cx.notify();
11955 blocks
11956 }
11957
11958 pub fn resize_blocks(
11959 &mut self,
11960 heights: HashMap<CustomBlockId, u32>,
11961 autoscroll: Option<Autoscroll>,
11962 cx: &mut Context<Self>,
11963 ) {
11964 self.display_map
11965 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
11966 if let Some(autoscroll) = autoscroll {
11967 self.request_autoscroll(autoscroll, cx);
11968 }
11969 cx.notify();
11970 }
11971
11972 pub fn replace_blocks(
11973 &mut self,
11974 renderers: HashMap<CustomBlockId, RenderBlock>,
11975 autoscroll: Option<Autoscroll>,
11976 cx: &mut Context<Self>,
11977 ) {
11978 self.display_map
11979 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
11980 if let Some(autoscroll) = autoscroll {
11981 self.request_autoscroll(autoscroll, cx);
11982 }
11983 cx.notify();
11984 }
11985
11986 pub fn remove_blocks(
11987 &mut self,
11988 block_ids: HashSet<CustomBlockId>,
11989 autoscroll: Option<Autoscroll>,
11990 cx: &mut Context<Self>,
11991 ) {
11992 self.display_map.update(cx, |display_map, cx| {
11993 display_map.remove_blocks(block_ids, cx)
11994 });
11995 if let Some(autoscroll) = autoscroll {
11996 self.request_autoscroll(autoscroll, cx);
11997 }
11998 cx.notify();
11999 }
12000
12001 pub fn row_for_block(
12002 &self,
12003 block_id: CustomBlockId,
12004 cx: &mut Context<Self>,
12005 ) -> Option<DisplayRow> {
12006 self.display_map
12007 .update(cx, |map, cx| map.row_for_block(block_id, cx))
12008 }
12009
12010 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
12011 self.focused_block = Some(focused_block);
12012 }
12013
12014 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
12015 self.focused_block.take()
12016 }
12017
12018 pub fn insert_creases(
12019 &mut self,
12020 creases: impl IntoIterator<Item = Crease<Anchor>>,
12021 cx: &mut Context<Self>,
12022 ) -> Vec<CreaseId> {
12023 self.display_map
12024 .update(cx, |map, cx| map.insert_creases(creases, cx))
12025 }
12026
12027 pub fn remove_creases(
12028 &mut self,
12029 ids: impl IntoIterator<Item = CreaseId>,
12030 cx: &mut Context<Self>,
12031 ) {
12032 self.display_map
12033 .update(cx, |map, cx| map.remove_creases(ids, cx));
12034 }
12035
12036 pub fn longest_row(&self, cx: &mut App) -> DisplayRow {
12037 self.display_map
12038 .update(cx, |map, cx| map.snapshot(cx))
12039 .longest_row()
12040 }
12041
12042 pub fn max_point(&self, cx: &mut App) -> DisplayPoint {
12043 self.display_map
12044 .update(cx, |map, cx| map.snapshot(cx))
12045 .max_point()
12046 }
12047
12048 pub fn text(&self, cx: &App) -> String {
12049 self.buffer.read(cx).read(cx).text()
12050 }
12051
12052 pub fn text_option(&self, cx: &App) -> Option<String> {
12053 let text = self.text(cx);
12054 let text = text.trim();
12055
12056 if text.is_empty() {
12057 return None;
12058 }
12059
12060 Some(text.to_string())
12061 }
12062
12063 pub fn set_text(
12064 &mut self,
12065 text: impl Into<Arc<str>>,
12066 window: &mut Window,
12067 cx: &mut Context<Self>,
12068 ) {
12069 self.transact(window, cx, |this, _, cx| {
12070 this.buffer
12071 .read(cx)
12072 .as_singleton()
12073 .expect("you can only call set_text on editors for singleton buffers")
12074 .update(cx, |buffer, cx| buffer.set_text(text, cx));
12075 });
12076 }
12077
12078 pub fn display_text(&self, cx: &mut App) -> String {
12079 self.display_map
12080 .update(cx, |map, cx| map.snapshot(cx))
12081 .text()
12082 }
12083
12084 pub fn wrap_guides(&self, cx: &App) -> SmallVec<[(usize, bool); 2]> {
12085 let mut wrap_guides = smallvec::smallvec![];
12086
12087 if self.show_wrap_guides == Some(false) {
12088 return wrap_guides;
12089 }
12090
12091 let settings = self.buffer.read(cx).settings_at(0, cx);
12092 if settings.show_wrap_guides {
12093 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
12094 wrap_guides.push((soft_wrap as usize, true));
12095 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
12096 wrap_guides.push((soft_wrap as usize, true));
12097 }
12098 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
12099 }
12100
12101 wrap_guides
12102 }
12103
12104 pub fn soft_wrap_mode(&self, cx: &App) -> SoftWrap {
12105 let settings = self.buffer.read(cx).settings_at(0, cx);
12106 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
12107 match mode {
12108 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
12109 SoftWrap::None
12110 }
12111 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
12112 language_settings::SoftWrap::PreferredLineLength => {
12113 SoftWrap::Column(settings.preferred_line_length)
12114 }
12115 language_settings::SoftWrap::Bounded => {
12116 SoftWrap::Bounded(settings.preferred_line_length)
12117 }
12118 }
12119 }
12120
12121 pub fn set_soft_wrap_mode(
12122 &mut self,
12123 mode: language_settings::SoftWrap,
12124
12125 cx: &mut Context<Self>,
12126 ) {
12127 self.soft_wrap_mode_override = Some(mode);
12128 cx.notify();
12129 }
12130
12131 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
12132 self.text_style_refinement = Some(style);
12133 }
12134
12135 /// called by the Element so we know what style we were most recently rendered with.
12136 pub(crate) fn set_style(
12137 &mut self,
12138 style: EditorStyle,
12139 window: &mut Window,
12140 cx: &mut Context<Self>,
12141 ) {
12142 let rem_size = window.rem_size();
12143 self.display_map.update(cx, |map, cx| {
12144 map.set_font(
12145 style.text.font(),
12146 style.text.font_size.to_pixels(rem_size),
12147 cx,
12148 )
12149 });
12150 self.style = Some(style);
12151 }
12152
12153 pub fn style(&self) -> Option<&EditorStyle> {
12154 self.style.as_ref()
12155 }
12156
12157 // Called by the element. This method is not designed to be called outside of the editor
12158 // element's layout code because it does not notify when rewrapping is computed synchronously.
12159 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut App) -> bool {
12160 self.display_map
12161 .update(cx, |map, cx| map.set_wrap_width(width, cx))
12162 }
12163
12164 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, _: &mut Window, cx: &mut Context<Self>) {
12165 if self.soft_wrap_mode_override.is_some() {
12166 self.soft_wrap_mode_override.take();
12167 } else {
12168 let soft_wrap = match self.soft_wrap_mode(cx) {
12169 SoftWrap::GitDiff => return,
12170 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
12171 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
12172 language_settings::SoftWrap::None
12173 }
12174 };
12175 self.soft_wrap_mode_override = Some(soft_wrap);
12176 }
12177 cx.notify();
12178 }
12179
12180 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, _: &mut Window, cx: &mut Context<Self>) {
12181 let Some(workspace) = self.workspace() else {
12182 return;
12183 };
12184 let fs = workspace.read(cx).app_state().fs.clone();
12185 let current_show = TabBarSettings::get_global(cx).show;
12186 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
12187 setting.show = Some(!current_show);
12188 });
12189 }
12190
12191 pub fn toggle_indent_guides(
12192 &mut self,
12193 _: &ToggleIndentGuides,
12194 _: &mut Window,
12195 cx: &mut Context<Self>,
12196 ) {
12197 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
12198 self.buffer
12199 .read(cx)
12200 .settings_at(0, cx)
12201 .indent_guides
12202 .enabled
12203 });
12204 self.show_indent_guides = Some(!currently_enabled);
12205 cx.notify();
12206 }
12207
12208 fn should_show_indent_guides(&self) -> Option<bool> {
12209 self.show_indent_guides
12210 }
12211
12212 pub fn toggle_line_numbers(
12213 &mut self,
12214 _: &ToggleLineNumbers,
12215 _: &mut Window,
12216 cx: &mut Context<Self>,
12217 ) {
12218 let mut editor_settings = EditorSettings::get_global(cx).clone();
12219 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
12220 EditorSettings::override_global(editor_settings, cx);
12221 }
12222
12223 pub fn should_use_relative_line_numbers(&self, cx: &mut App) -> bool {
12224 self.use_relative_line_numbers
12225 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
12226 }
12227
12228 pub fn toggle_relative_line_numbers(
12229 &mut self,
12230 _: &ToggleRelativeLineNumbers,
12231 _: &mut Window,
12232 cx: &mut Context<Self>,
12233 ) {
12234 let is_relative = self.should_use_relative_line_numbers(cx);
12235 self.set_relative_line_number(Some(!is_relative), cx)
12236 }
12237
12238 pub fn set_relative_line_number(&mut self, is_relative: Option<bool>, cx: &mut Context<Self>) {
12239 self.use_relative_line_numbers = is_relative;
12240 cx.notify();
12241 }
12242
12243 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut Context<Self>) {
12244 self.show_gutter = show_gutter;
12245 cx.notify();
12246 }
12247
12248 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut Context<Self>) {
12249 self.show_scrollbars = show_scrollbars;
12250 cx.notify();
12251 }
12252
12253 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut Context<Self>) {
12254 self.show_line_numbers = Some(show_line_numbers);
12255 cx.notify();
12256 }
12257
12258 pub fn set_show_git_diff_gutter(&mut self, show_git_diff_gutter: bool, cx: &mut Context<Self>) {
12259 self.show_git_diff_gutter = Some(show_git_diff_gutter);
12260 cx.notify();
12261 }
12262
12263 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut Context<Self>) {
12264 self.show_code_actions = Some(show_code_actions);
12265 cx.notify();
12266 }
12267
12268 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut Context<Self>) {
12269 self.show_runnables = Some(show_runnables);
12270 cx.notify();
12271 }
12272
12273 pub fn set_masked(&mut self, masked: bool, cx: &mut Context<Self>) {
12274 if self.display_map.read(cx).masked != masked {
12275 self.display_map.update(cx, |map, _| map.masked = masked);
12276 }
12277 cx.notify()
12278 }
12279
12280 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut Context<Self>) {
12281 self.show_wrap_guides = Some(show_wrap_guides);
12282 cx.notify();
12283 }
12284
12285 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut Context<Self>) {
12286 self.show_indent_guides = Some(show_indent_guides);
12287 cx.notify();
12288 }
12289
12290 pub fn working_directory(&self, cx: &App) -> Option<PathBuf> {
12291 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
12292 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
12293 if let Some(dir) = file.abs_path(cx).parent() {
12294 return Some(dir.to_owned());
12295 }
12296 }
12297
12298 if let Some(project_path) = buffer.read(cx).project_path(cx) {
12299 return Some(project_path.path.to_path_buf());
12300 }
12301 }
12302
12303 None
12304 }
12305
12306 fn target_file<'a>(&self, cx: &'a App) -> Option<&'a dyn language::LocalFile> {
12307 self.active_excerpt(cx)?
12308 .1
12309 .read(cx)
12310 .file()
12311 .and_then(|f| f.as_local())
12312 }
12313
12314 fn target_file_abs_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12315 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12316 let project_path = buffer.read(cx).project_path(cx)?;
12317 let project = self.project.as_ref()?.read(cx);
12318 project.absolute_path(&project_path, cx)
12319 })
12320 }
12321
12322 fn target_file_path(&self, cx: &mut Context<Self>) -> Option<PathBuf> {
12323 self.active_excerpt(cx).and_then(|(_, buffer, _)| {
12324 let project_path = buffer.read(cx).project_path(cx)?;
12325 let project = self.project.as_ref()?.read(cx);
12326 let entry = project.entry_for_path(&project_path, cx)?;
12327 let path = entry.path.to_path_buf();
12328 Some(path)
12329 })
12330 }
12331
12332 pub fn reveal_in_finder(
12333 &mut self,
12334 _: &RevealInFileManager,
12335 _window: &mut Window,
12336 cx: &mut Context<Self>,
12337 ) {
12338 if let Some(target) = self.target_file(cx) {
12339 cx.reveal_path(&target.abs_path(cx));
12340 }
12341 }
12342
12343 pub fn copy_path(&mut self, _: &CopyPath, _window: &mut Window, cx: &mut Context<Self>) {
12344 if let Some(path) = self.target_file_abs_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 copy_relative_path(
12352 &mut self,
12353 _: &CopyRelativePath,
12354 _window: &mut Window,
12355 cx: &mut Context<Self>,
12356 ) {
12357 if let Some(path) = self.target_file_path(cx) {
12358 if let Some(path) = path.to_str() {
12359 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
12360 }
12361 }
12362 }
12363
12364 pub fn toggle_git_blame(
12365 &mut self,
12366 _: &ToggleGitBlame,
12367 window: &mut Window,
12368 cx: &mut Context<Self>,
12369 ) {
12370 self.show_git_blame_gutter = !self.show_git_blame_gutter;
12371
12372 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
12373 self.start_git_blame(true, window, cx);
12374 }
12375
12376 cx.notify();
12377 }
12378
12379 pub fn toggle_git_blame_inline(
12380 &mut self,
12381 _: &ToggleGitBlameInline,
12382 window: &mut Window,
12383 cx: &mut Context<Self>,
12384 ) {
12385 self.toggle_git_blame_inline_internal(true, window, cx);
12386 cx.notify();
12387 }
12388
12389 pub fn git_blame_inline_enabled(&self) -> bool {
12390 self.git_blame_inline_enabled
12391 }
12392
12393 pub fn toggle_selection_menu(
12394 &mut self,
12395 _: &ToggleSelectionMenu,
12396 _: &mut Window,
12397 cx: &mut Context<Self>,
12398 ) {
12399 self.show_selection_menu = self
12400 .show_selection_menu
12401 .map(|show_selections_menu| !show_selections_menu)
12402 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
12403
12404 cx.notify();
12405 }
12406
12407 pub fn selection_menu_enabled(&self, cx: &App) -> bool {
12408 self.show_selection_menu
12409 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
12410 }
12411
12412 fn start_git_blame(
12413 &mut self,
12414 user_triggered: bool,
12415 window: &mut Window,
12416 cx: &mut Context<Self>,
12417 ) {
12418 if let Some(project) = self.project.as_ref() {
12419 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
12420 return;
12421 };
12422
12423 if buffer.read(cx).file().is_none() {
12424 return;
12425 }
12426
12427 let focused = self.focus_handle(cx).contains_focused(window, cx);
12428
12429 let project = project.clone();
12430 let blame = cx.new(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
12431 self.blame_subscription =
12432 Some(cx.observe_in(&blame, window, |_, _, _, cx| cx.notify()));
12433 self.blame = Some(blame);
12434 }
12435 }
12436
12437 fn toggle_git_blame_inline_internal(
12438 &mut self,
12439 user_triggered: bool,
12440 window: &mut Window,
12441 cx: &mut Context<Self>,
12442 ) {
12443 if self.git_blame_inline_enabled {
12444 self.git_blame_inline_enabled = false;
12445 self.show_git_blame_inline = false;
12446 self.show_git_blame_inline_delay_task.take();
12447 } else {
12448 self.git_blame_inline_enabled = true;
12449 self.start_git_blame_inline(user_triggered, window, cx);
12450 }
12451
12452 cx.notify();
12453 }
12454
12455 fn start_git_blame_inline(
12456 &mut self,
12457 user_triggered: bool,
12458 window: &mut Window,
12459 cx: &mut Context<Self>,
12460 ) {
12461 self.start_git_blame(user_triggered, window, cx);
12462
12463 if ProjectSettings::get_global(cx)
12464 .git
12465 .inline_blame_delay()
12466 .is_some()
12467 {
12468 self.start_inline_blame_timer(window, cx);
12469 } else {
12470 self.show_git_blame_inline = true
12471 }
12472 }
12473
12474 pub fn blame(&self) -> Option<&Entity<GitBlame>> {
12475 self.blame.as_ref()
12476 }
12477
12478 pub fn show_git_blame_gutter(&self) -> bool {
12479 self.show_git_blame_gutter
12480 }
12481
12482 pub fn render_git_blame_gutter(&self, cx: &App) -> bool {
12483 self.show_git_blame_gutter && self.has_blame_entries(cx)
12484 }
12485
12486 pub fn render_git_blame_inline(&self, window: &Window, cx: &App) -> bool {
12487 self.show_git_blame_inline
12488 && self.focus_handle.is_focused(window)
12489 && !self.newest_selection_head_on_empty_line(cx)
12490 && self.has_blame_entries(cx)
12491 }
12492
12493 fn has_blame_entries(&self, cx: &App) -> bool {
12494 self.blame()
12495 .map_or(false, |blame| blame.read(cx).has_generated_entries())
12496 }
12497
12498 fn newest_selection_head_on_empty_line(&self, cx: &App) -> bool {
12499 let cursor_anchor = self.selections.newest_anchor().head();
12500
12501 let snapshot = self.buffer.read(cx).snapshot(cx);
12502 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
12503
12504 snapshot.line_len(buffer_row) == 0
12505 }
12506
12507 fn get_permalink_to_line(&self, cx: &mut Context<Self>) -> Task<Result<url::Url>> {
12508 let buffer_and_selection = maybe!({
12509 let selection = self.selections.newest::<Point>(cx);
12510 let selection_range = selection.range();
12511
12512 let multi_buffer = self.buffer().read(cx);
12513 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
12514 let buffer_ranges = multi_buffer_snapshot.range_to_buffer_ranges(selection_range);
12515
12516 let (buffer, range, _) = if selection.reversed {
12517 buffer_ranges.first()
12518 } else {
12519 buffer_ranges.last()
12520 }?;
12521
12522 let selection = text::ToPoint::to_point(&range.start, &buffer).row
12523 ..text::ToPoint::to_point(&range.end, &buffer).row;
12524 Some((
12525 multi_buffer.buffer(buffer.remote_id()).unwrap().clone(),
12526 selection,
12527 ))
12528 });
12529
12530 let Some((buffer, selection)) = buffer_and_selection else {
12531 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
12532 };
12533
12534 let Some(project) = self.project.as_ref() else {
12535 return Task::ready(Err(anyhow!("editor does not have project")));
12536 };
12537
12538 project.update(cx, |project, cx| {
12539 project.get_permalink_to_line(&buffer, selection, cx)
12540 })
12541 }
12542
12543 pub fn copy_permalink_to_line(
12544 &mut self,
12545 _: &CopyPermalinkToLine,
12546 window: &mut Window,
12547 cx: &mut Context<Self>,
12548 ) {
12549 let permalink_task = self.get_permalink_to_line(cx);
12550 let workspace = self.workspace();
12551
12552 cx.spawn_in(window, |_, mut cx| async move {
12553 match permalink_task.await {
12554 Ok(permalink) => {
12555 cx.update(|_, cx| {
12556 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
12557 })
12558 .ok();
12559 }
12560 Err(err) => {
12561 let message = format!("Failed to copy permalink: {err}");
12562
12563 Err::<(), anyhow::Error>(err).log_err();
12564
12565 if let Some(workspace) = workspace {
12566 workspace
12567 .update_in(&mut cx, |workspace, _, cx| {
12568 struct CopyPermalinkToLine;
12569
12570 workspace.show_toast(
12571 Toast::new(
12572 NotificationId::unique::<CopyPermalinkToLine>(),
12573 message,
12574 ),
12575 cx,
12576 )
12577 })
12578 .ok();
12579 }
12580 }
12581 }
12582 })
12583 .detach();
12584 }
12585
12586 pub fn copy_file_location(
12587 &mut self,
12588 _: &CopyFileLocation,
12589 _: &mut Window,
12590 cx: &mut Context<Self>,
12591 ) {
12592 let selection = self.selections.newest::<Point>(cx).start.row + 1;
12593 if let Some(file) = self.target_file(cx) {
12594 if let Some(path) = file.path().to_str() {
12595 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
12596 }
12597 }
12598 }
12599
12600 pub fn open_permalink_to_line(
12601 &mut self,
12602 _: &OpenPermalinkToLine,
12603 window: &mut Window,
12604 cx: &mut Context<Self>,
12605 ) {
12606 let permalink_task = self.get_permalink_to_line(cx);
12607 let workspace = self.workspace();
12608
12609 cx.spawn_in(window, |_, mut cx| async move {
12610 match permalink_task.await {
12611 Ok(permalink) => {
12612 cx.update(|_, cx| {
12613 cx.open_url(permalink.as_ref());
12614 })
12615 .ok();
12616 }
12617 Err(err) => {
12618 let message = format!("Failed to open permalink: {err}");
12619
12620 Err::<(), anyhow::Error>(err).log_err();
12621
12622 if let Some(workspace) = workspace {
12623 workspace
12624 .update(&mut cx, |workspace, cx| {
12625 struct OpenPermalinkToLine;
12626
12627 workspace.show_toast(
12628 Toast::new(
12629 NotificationId::unique::<OpenPermalinkToLine>(),
12630 message,
12631 ),
12632 cx,
12633 )
12634 })
12635 .ok();
12636 }
12637 }
12638 }
12639 })
12640 .detach();
12641 }
12642
12643 pub fn insert_uuid_v4(
12644 &mut self,
12645 _: &InsertUuidV4,
12646 window: &mut Window,
12647 cx: &mut Context<Self>,
12648 ) {
12649 self.insert_uuid(UuidVersion::V4, window, cx);
12650 }
12651
12652 pub fn insert_uuid_v7(
12653 &mut self,
12654 _: &InsertUuidV7,
12655 window: &mut Window,
12656 cx: &mut Context<Self>,
12657 ) {
12658 self.insert_uuid(UuidVersion::V7, window, cx);
12659 }
12660
12661 fn insert_uuid(&mut self, version: UuidVersion, window: &mut Window, cx: &mut Context<Self>) {
12662 self.transact(window, cx, |this, window, cx| {
12663 let edits = this
12664 .selections
12665 .all::<Point>(cx)
12666 .into_iter()
12667 .map(|selection| {
12668 let uuid = match version {
12669 UuidVersion::V4 => uuid::Uuid::new_v4(),
12670 UuidVersion::V7 => uuid::Uuid::now_v7(),
12671 };
12672
12673 (selection.range(), uuid.to_string())
12674 });
12675 this.edit(edits, cx);
12676 this.refresh_inline_completion(true, false, window, cx);
12677 });
12678 }
12679
12680 pub fn open_selections_in_multibuffer(
12681 &mut self,
12682 _: &OpenSelectionsInMultibuffer,
12683 window: &mut Window,
12684 cx: &mut Context<Self>,
12685 ) {
12686 let multibuffer = self.buffer.read(cx);
12687
12688 let Some(buffer) = multibuffer.as_singleton() else {
12689 return;
12690 };
12691
12692 let Some(workspace) = self.workspace() else {
12693 return;
12694 };
12695
12696 let locations = self
12697 .selections
12698 .disjoint_anchors()
12699 .iter()
12700 .map(|range| Location {
12701 buffer: buffer.clone(),
12702 range: range.start.text_anchor..range.end.text_anchor,
12703 })
12704 .collect::<Vec<_>>();
12705
12706 let title = multibuffer.title(cx).to_string();
12707
12708 cx.spawn_in(window, |_, mut cx| async move {
12709 workspace.update_in(&mut cx, |workspace, window, cx| {
12710 Self::open_locations_in_multibuffer(
12711 workspace,
12712 locations,
12713 format!("Selections for '{title}'"),
12714 false,
12715 MultibufferSelectionMode::All,
12716 window,
12717 cx,
12718 );
12719 })
12720 })
12721 .detach();
12722 }
12723
12724 /// Adds a row highlight for the given range. If a row has multiple highlights, the
12725 /// last highlight added will be used.
12726 ///
12727 /// If the range ends at the beginning of a line, then that line will not be highlighted.
12728 pub fn highlight_rows<T: 'static>(
12729 &mut self,
12730 range: Range<Anchor>,
12731 color: Hsla,
12732 should_autoscroll: bool,
12733 cx: &mut Context<Self>,
12734 ) {
12735 let snapshot = self.buffer().read(cx).snapshot(cx);
12736 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12737 let ix = row_highlights.binary_search_by(|highlight| {
12738 Ordering::Equal
12739 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
12740 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
12741 });
12742
12743 if let Err(mut ix) = ix {
12744 let index = post_inc(&mut self.highlight_order);
12745
12746 // If this range intersects with the preceding highlight, then merge it with
12747 // the preceding highlight. Otherwise insert a new highlight.
12748 let mut merged = false;
12749 if ix > 0 {
12750 let prev_highlight = &mut row_highlights[ix - 1];
12751 if prev_highlight
12752 .range
12753 .end
12754 .cmp(&range.start, &snapshot)
12755 .is_ge()
12756 {
12757 ix -= 1;
12758 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
12759 prev_highlight.range.end = range.end;
12760 }
12761 merged = true;
12762 prev_highlight.index = index;
12763 prev_highlight.color = color;
12764 prev_highlight.should_autoscroll = should_autoscroll;
12765 }
12766 }
12767
12768 if !merged {
12769 row_highlights.insert(
12770 ix,
12771 RowHighlight {
12772 range: range.clone(),
12773 index,
12774 color,
12775 should_autoscroll,
12776 },
12777 );
12778 }
12779
12780 // If any of the following highlights intersect with this one, merge them.
12781 while let Some(next_highlight) = row_highlights.get(ix + 1) {
12782 let highlight = &row_highlights[ix];
12783 if next_highlight
12784 .range
12785 .start
12786 .cmp(&highlight.range.end, &snapshot)
12787 .is_le()
12788 {
12789 if next_highlight
12790 .range
12791 .end
12792 .cmp(&highlight.range.end, &snapshot)
12793 .is_gt()
12794 {
12795 row_highlights[ix].range.end = next_highlight.range.end;
12796 }
12797 row_highlights.remove(ix + 1);
12798 } else {
12799 break;
12800 }
12801 }
12802 }
12803 }
12804
12805 /// Remove any highlighted row ranges of the given type that intersect the
12806 /// given ranges.
12807 pub fn remove_highlighted_rows<T: 'static>(
12808 &mut self,
12809 ranges_to_remove: Vec<Range<Anchor>>,
12810 cx: &mut Context<Self>,
12811 ) {
12812 let snapshot = self.buffer().read(cx).snapshot(cx);
12813 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
12814 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
12815 row_highlights.retain(|highlight| {
12816 while let Some(range_to_remove) = ranges_to_remove.peek() {
12817 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
12818 Ordering::Less | Ordering::Equal => {
12819 ranges_to_remove.next();
12820 }
12821 Ordering::Greater => {
12822 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
12823 Ordering::Less | Ordering::Equal => {
12824 return false;
12825 }
12826 Ordering::Greater => break,
12827 }
12828 }
12829 }
12830 }
12831
12832 true
12833 })
12834 }
12835
12836 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
12837 pub fn clear_row_highlights<T: 'static>(&mut self) {
12838 self.highlighted_rows.remove(&TypeId::of::<T>());
12839 }
12840
12841 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
12842 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
12843 self.highlighted_rows
12844 .get(&TypeId::of::<T>())
12845 .map_or(&[] as &[_], |vec| vec.as_slice())
12846 .iter()
12847 .map(|highlight| (highlight.range.clone(), highlight.color))
12848 }
12849
12850 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
12851 /// Returns a map of display rows that are highlighted and their corresponding highlight color.
12852 /// Allows to ignore certain kinds of highlights.
12853 pub fn highlighted_display_rows(
12854 &self,
12855 window: &mut Window,
12856 cx: &mut App,
12857 ) -> BTreeMap<DisplayRow, Hsla> {
12858 let snapshot = self.snapshot(window, cx);
12859 let mut used_highlight_orders = HashMap::default();
12860 self.highlighted_rows
12861 .iter()
12862 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
12863 .fold(
12864 BTreeMap::<DisplayRow, Hsla>::new(),
12865 |mut unique_rows, highlight| {
12866 let start = highlight.range.start.to_display_point(&snapshot);
12867 let end = highlight.range.end.to_display_point(&snapshot);
12868 let start_row = start.row().0;
12869 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
12870 && end.column() == 0
12871 {
12872 end.row().0.saturating_sub(1)
12873 } else {
12874 end.row().0
12875 };
12876 for row in start_row..=end_row {
12877 let used_index =
12878 used_highlight_orders.entry(row).or_insert(highlight.index);
12879 if highlight.index >= *used_index {
12880 *used_index = highlight.index;
12881 unique_rows.insert(DisplayRow(row), highlight.color);
12882 }
12883 }
12884 unique_rows
12885 },
12886 )
12887 }
12888
12889 pub fn highlighted_display_row_for_autoscroll(
12890 &self,
12891 snapshot: &DisplaySnapshot,
12892 ) -> Option<DisplayRow> {
12893 self.highlighted_rows
12894 .values()
12895 .flat_map(|highlighted_rows| highlighted_rows.iter())
12896 .filter_map(|highlight| {
12897 if highlight.should_autoscroll {
12898 Some(highlight.range.start.to_display_point(snapshot).row())
12899 } else {
12900 None
12901 }
12902 })
12903 .min()
12904 }
12905
12906 pub fn set_search_within_ranges(&mut self, ranges: &[Range<Anchor>], cx: &mut Context<Self>) {
12907 self.highlight_background::<SearchWithinRange>(
12908 ranges,
12909 |colors| colors.editor_document_highlight_read_background,
12910 cx,
12911 )
12912 }
12913
12914 pub fn set_breadcrumb_header(&mut self, new_header: String) {
12915 self.breadcrumb_header = Some(new_header);
12916 }
12917
12918 pub fn clear_search_within_ranges(&mut self, cx: &mut Context<Self>) {
12919 self.clear_background_highlights::<SearchWithinRange>(cx);
12920 }
12921
12922 pub fn highlight_background<T: 'static>(
12923 &mut self,
12924 ranges: &[Range<Anchor>],
12925 color_fetcher: fn(&ThemeColors) -> Hsla,
12926 cx: &mut Context<Self>,
12927 ) {
12928 self.background_highlights
12929 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12930 self.scrollbar_marker_state.dirty = true;
12931 cx.notify();
12932 }
12933
12934 pub fn clear_background_highlights<T: 'static>(
12935 &mut self,
12936 cx: &mut Context<Self>,
12937 ) -> Option<BackgroundHighlight> {
12938 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
12939 if !text_highlights.1.is_empty() {
12940 self.scrollbar_marker_state.dirty = true;
12941 cx.notify();
12942 }
12943 Some(text_highlights)
12944 }
12945
12946 pub fn highlight_gutter<T: 'static>(
12947 &mut self,
12948 ranges: &[Range<Anchor>],
12949 color_fetcher: fn(&App) -> Hsla,
12950 cx: &mut Context<Self>,
12951 ) {
12952 self.gutter_highlights
12953 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
12954 cx.notify();
12955 }
12956
12957 pub fn clear_gutter_highlights<T: 'static>(
12958 &mut self,
12959 cx: &mut Context<Self>,
12960 ) -> Option<GutterHighlight> {
12961 cx.notify();
12962 self.gutter_highlights.remove(&TypeId::of::<T>())
12963 }
12964
12965 #[cfg(feature = "test-support")]
12966 pub fn all_text_background_highlights(
12967 &self,
12968 window: &mut Window,
12969 cx: &mut Context<Self>,
12970 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
12971 let snapshot = self.snapshot(window, cx);
12972 let buffer = &snapshot.buffer_snapshot;
12973 let start = buffer.anchor_before(0);
12974 let end = buffer.anchor_after(buffer.len());
12975 let theme = cx.theme().colors();
12976 self.background_highlights_in_range(start..end, &snapshot, theme)
12977 }
12978
12979 #[cfg(feature = "test-support")]
12980 pub fn search_background_highlights(&mut self, cx: &mut Context<Self>) -> Vec<Range<Point>> {
12981 let snapshot = self.buffer().read(cx).snapshot(cx);
12982
12983 let highlights = self
12984 .background_highlights
12985 .get(&TypeId::of::<items::BufferSearchHighlights>());
12986
12987 if let Some((_color, ranges)) = highlights {
12988 ranges
12989 .iter()
12990 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
12991 .collect_vec()
12992 } else {
12993 vec![]
12994 }
12995 }
12996
12997 fn document_highlights_for_position<'a>(
12998 &'a self,
12999 position: Anchor,
13000 buffer: &'a MultiBufferSnapshot,
13001 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
13002 let read_highlights = self
13003 .background_highlights
13004 .get(&TypeId::of::<DocumentHighlightRead>())
13005 .map(|h| &h.1);
13006 let write_highlights = self
13007 .background_highlights
13008 .get(&TypeId::of::<DocumentHighlightWrite>())
13009 .map(|h| &h.1);
13010 let left_position = position.bias_left(buffer);
13011 let right_position = position.bias_right(buffer);
13012 read_highlights
13013 .into_iter()
13014 .chain(write_highlights)
13015 .flat_map(move |ranges| {
13016 let start_ix = match ranges.binary_search_by(|probe| {
13017 let cmp = probe.end.cmp(&left_position, buffer);
13018 if cmp.is_ge() {
13019 Ordering::Greater
13020 } else {
13021 Ordering::Less
13022 }
13023 }) {
13024 Ok(i) | Err(i) => i,
13025 };
13026
13027 ranges[start_ix..]
13028 .iter()
13029 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
13030 })
13031 }
13032
13033 pub fn has_background_highlights<T: 'static>(&self) -> bool {
13034 self.background_highlights
13035 .get(&TypeId::of::<T>())
13036 .map_or(false, |(_, highlights)| !highlights.is_empty())
13037 }
13038
13039 pub fn background_highlights_in_range(
13040 &self,
13041 search_range: Range<Anchor>,
13042 display_snapshot: &DisplaySnapshot,
13043 theme: &ThemeColors,
13044 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13045 let mut results = Vec::new();
13046 for (color_fetcher, ranges) in self.background_highlights.values() {
13047 let color = color_fetcher(theme);
13048 let start_ix = match ranges.binary_search_by(|probe| {
13049 let cmp = probe
13050 .end
13051 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13052 if cmp.is_gt() {
13053 Ordering::Greater
13054 } else {
13055 Ordering::Less
13056 }
13057 }) {
13058 Ok(i) | Err(i) => i,
13059 };
13060 for range in &ranges[start_ix..] {
13061 if range
13062 .start
13063 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13064 .is_ge()
13065 {
13066 break;
13067 }
13068
13069 let start = range.start.to_display_point(display_snapshot);
13070 let end = range.end.to_display_point(display_snapshot);
13071 results.push((start..end, color))
13072 }
13073 }
13074 results
13075 }
13076
13077 pub fn background_highlight_row_ranges<T: 'static>(
13078 &self,
13079 search_range: Range<Anchor>,
13080 display_snapshot: &DisplaySnapshot,
13081 count: usize,
13082 ) -> Vec<RangeInclusive<DisplayPoint>> {
13083 let mut results = Vec::new();
13084 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
13085 return vec![];
13086 };
13087
13088 let start_ix = match ranges.binary_search_by(|probe| {
13089 let cmp = probe
13090 .end
13091 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13092 if cmp.is_gt() {
13093 Ordering::Greater
13094 } else {
13095 Ordering::Less
13096 }
13097 }) {
13098 Ok(i) | Err(i) => i,
13099 };
13100 let mut push_region = |start: Option<Point>, end: Option<Point>| {
13101 if let (Some(start_display), Some(end_display)) = (start, end) {
13102 results.push(
13103 start_display.to_display_point(display_snapshot)
13104 ..=end_display.to_display_point(display_snapshot),
13105 );
13106 }
13107 };
13108 let mut start_row: Option<Point> = None;
13109 let mut end_row: Option<Point> = None;
13110 if ranges.len() > count {
13111 return Vec::new();
13112 }
13113 for range in &ranges[start_ix..] {
13114 if range
13115 .start
13116 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13117 .is_ge()
13118 {
13119 break;
13120 }
13121 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
13122 if let Some(current_row) = &end_row {
13123 if end.row == current_row.row {
13124 continue;
13125 }
13126 }
13127 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
13128 if start_row.is_none() {
13129 assert_eq!(end_row, None);
13130 start_row = Some(start);
13131 end_row = Some(end);
13132 continue;
13133 }
13134 if let Some(current_end) = end_row.as_mut() {
13135 if start.row > current_end.row + 1 {
13136 push_region(start_row, end_row);
13137 start_row = Some(start);
13138 end_row = Some(end);
13139 } else {
13140 // Merge two hunks.
13141 *current_end = end;
13142 }
13143 } else {
13144 unreachable!();
13145 }
13146 }
13147 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
13148 push_region(start_row, end_row);
13149 results
13150 }
13151
13152 pub fn gutter_highlights_in_range(
13153 &self,
13154 search_range: Range<Anchor>,
13155 display_snapshot: &DisplaySnapshot,
13156 cx: &App,
13157 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
13158 let mut results = Vec::new();
13159 for (color_fetcher, ranges) in self.gutter_highlights.values() {
13160 let color = color_fetcher(cx);
13161 let start_ix = match ranges.binary_search_by(|probe| {
13162 let cmp = probe
13163 .end
13164 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
13165 if cmp.is_gt() {
13166 Ordering::Greater
13167 } else {
13168 Ordering::Less
13169 }
13170 }) {
13171 Ok(i) | Err(i) => i,
13172 };
13173 for range in &ranges[start_ix..] {
13174 if range
13175 .start
13176 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
13177 .is_ge()
13178 {
13179 break;
13180 }
13181
13182 let start = range.start.to_display_point(display_snapshot);
13183 let end = range.end.to_display_point(display_snapshot);
13184 results.push((start..end, color))
13185 }
13186 }
13187 results
13188 }
13189
13190 /// Get the text ranges corresponding to the redaction query
13191 pub fn redacted_ranges(
13192 &self,
13193 search_range: Range<Anchor>,
13194 display_snapshot: &DisplaySnapshot,
13195 cx: &App,
13196 ) -> Vec<Range<DisplayPoint>> {
13197 display_snapshot
13198 .buffer_snapshot
13199 .redacted_ranges(search_range, |file| {
13200 if let Some(file) = file {
13201 file.is_private()
13202 && EditorSettings::get(
13203 Some(SettingsLocation {
13204 worktree_id: file.worktree_id(cx),
13205 path: file.path().as_ref(),
13206 }),
13207 cx,
13208 )
13209 .redact_private_values
13210 } else {
13211 false
13212 }
13213 })
13214 .map(|range| {
13215 range.start.to_display_point(display_snapshot)
13216 ..range.end.to_display_point(display_snapshot)
13217 })
13218 .collect()
13219 }
13220
13221 pub fn highlight_text<T: 'static>(
13222 &mut self,
13223 ranges: Vec<Range<Anchor>>,
13224 style: HighlightStyle,
13225 cx: &mut Context<Self>,
13226 ) {
13227 self.display_map.update(cx, |map, _| {
13228 map.highlight_text(TypeId::of::<T>(), ranges, style)
13229 });
13230 cx.notify();
13231 }
13232
13233 pub(crate) fn highlight_inlays<T: 'static>(
13234 &mut self,
13235 highlights: Vec<InlayHighlight>,
13236 style: HighlightStyle,
13237 cx: &mut Context<Self>,
13238 ) {
13239 self.display_map.update(cx, |map, _| {
13240 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
13241 });
13242 cx.notify();
13243 }
13244
13245 pub fn text_highlights<'a, T: 'static>(
13246 &'a self,
13247 cx: &'a App,
13248 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
13249 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
13250 }
13251
13252 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut Context<Self>) {
13253 let cleared = self
13254 .display_map
13255 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
13256 if cleared {
13257 cx.notify();
13258 }
13259 }
13260
13261 pub fn show_local_cursors(&self, window: &mut Window, cx: &mut App) -> bool {
13262 (self.read_only(cx) || self.blink_manager.read(cx).visible())
13263 && self.focus_handle.is_focused(window)
13264 }
13265
13266 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut Context<Self>) {
13267 self.show_cursor_when_unfocused = is_enabled;
13268 cx.notify();
13269 }
13270
13271 pub fn lsp_store(&self, cx: &App) -> Option<Entity<LspStore>> {
13272 self.project
13273 .as_ref()
13274 .map(|project| project.read(cx).lsp_store())
13275 }
13276
13277 fn on_buffer_changed(&mut self, _: Entity<MultiBuffer>, cx: &mut Context<Self>) {
13278 cx.notify();
13279 }
13280
13281 fn on_buffer_event(
13282 &mut self,
13283 multibuffer: &Entity<MultiBuffer>,
13284 event: &multi_buffer::Event,
13285 window: &mut Window,
13286 cx: &mut Context<Self>,
13287 ) {
13288 match event {
13289 multi_buffer::Event::Edited {
13290 singleton_buffer_edited,
13291 edited_buffer: buffer_edited,
13292 } => {
13293 self.scrollbar_marker_state.dirty = true;
13294 self.active_indent_guides_state.dirty = true;
13295 self.refresh_active_diagnostics(cx);
13296 self.refresh_code_actions(window, cx);
13297 if self.has_active_inline_completion() {
13298 self.update_visible_inline_completion(window, cx);
13299 }
13300 if let Some(buffer) = buffer_edited {
13301 let buffer_id = buffer.read(cx).remote_id();
13302 if !self.registered_buffers.contains_key(&buffer_id) {
13303 if let Some(lsp_store) = self.lsp_store(cx) {
13304 lsp_store.update(cx, |lsp_store, cx| {
13305 self.registered_buffers.insert(
13306 buffer_id,
13307 lsp_store.register_buffer_with_language_servers(&buffer, cx),
13308 );
13309 })
13310 }
13311 }
13312 }
13313 cx.emit(EditorEvent::BufferEdited);
13314 cx.emit(SearchEvent::MatchesInvalidated);
13315 if *singleton_buffer_edited {
13316 if let Some(project) = &self.project {
13317 let project = project.read(cx);
13318 #[allow(clippy::mutable_key_type)]
13319 let languages_affected = multibuffer
13320 .read(cx)
13321 .all_buffers()
13322 .into_iter()
13323 .filter_map(|buffer| {
13324 let buffer = buffer.read(cx);
13325 let language = buffer.language()?;
13326 if project.is_local()
13327 && project
13328 .language_servers_for_local_buffer(buffer, cx)
13329 .count()
13330 == 0
13331 {
13332 None
13333 } else {
13334 Some(language)
13335 }
13336 })
13337 .cloned()
13338 .collect::<HashSet<_>>();
13339 if !languages_affected.is_empty() {
13340 self.refresh_inlay_hints(
13341 InlayHintRefreshReason::BufferEdited(languages_affected),
13342 cx,
13343 );
13344 }
13345 }
13346 }
13347
13348 let Some(project) = &self.project else { return };
13349 let (telemetry, is_via_ssh) = {
13350 let project = project.read(cx);
13351 let telemetry = project.client().telemetry().clone();
13352 let is_via_ssh = project.is_via_ssh();
13353 (telemetry, is_via_ssh)
13354 };
13355 refresh_linked_ranges(self, window, cx);
13356 telemetry.log_edit_event("editor", is_via_ssh);
13357 }
13358 multi_buffer::Event::ExcerptsAdded {
13359 buffer,
13360 predecessor,
13361 excerpts,
13362 } => {
13363 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13364 let buffer_id = buffer.read(cx).remote_id();
13365 if self.buffer.read(cx).change_set_for(buffer_id).is_none() {
13366 if let Some(project) = &self.project {
13367 get_unstaged_changes_for_buffers(
13368 project,
13369 [buffer.clone()],
13370 self.buffer.clone(),
13371 cx,
13372 );
13373 }
13374 }
13375 cx.emit(EditorEvent::ExcerptsAdded {
13376 buffer: buffer.clone(),
13377 predecessor: *predecessor,
13378 excerpts: excerpts.clone(),
13379 });
13380 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13381 }
13382 multi_buffer::Event::ExcerptsRemoved { ids } => {
13383 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
13384 let buffer = self.buffer.read(cx);
13385 self.registered_buffers
13386 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
13387 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
13388 }
13389 multi_buffer::Event::ExcerptsEdited { ids } => {
13390 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
13391 }
13392 multi_buffer::Event::ExcerptsExpanded { ids } => {
13393 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
13394 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
13395 }
13396 multi_buffer::Event::Reparsed(buffer_id) => {
13397 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13398
13399 cx.emit(EditorEvent::Reparsed(*buffer_id));
13400 }
13401 multi_buffer::Event::DiffHunksToggled => {
13402 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13403 }
13404 multi_buffer::Event::LanguageChanged(buffer_id) => {
13405 linked_editing_ranges::refresh_linked_ranges(self, window, cx);
13406 cx.emit(EditorEvent::Reparsed(*buffer_id));
13407 cx.notify();
13408 }
13409 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
13410 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
13411 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
13412 cx.emit(EditorEvent::TitleChanged)
13413 }
13414 // multi_buffer::Event::DiffBaseChanged => {
13415 // self.scrollbar_marker_state.dirty = true;
13416 // cx.emit(EditorEvent::DiffBaseChanged);
13417 // cx.notify();
13418 // }
13419 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
13420 multi_buffer::Event::DiagnosticsUpdated => {
13421 self.refresh_active_diagnostics(cx);
13422 self.scrollbar_marker_state.dirty = true;
13423 cx.notify();
13424 }
13425 _ => {}
13426 };
13427 }
13428
13429 fn on_display_map_changed(
13430 &mut self,
13431 _: Entity<DisplayMap>,
13432 _: &mut Window,
13433 cx: &mut Context<Self>,
13434 ) {
13435 cx.notify();
13436 }
13437
13438 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13439 self.tasks_update_task = Some(self.refresh_runnables(window, cx));
13440 self.refresh_inline_completion(true, false, window, cx);
13441 self.refresh_inlay_hints(
13442 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
13443 self.selections.newest_anchor().head(),
13444 &self.buffer.read(cx).snapshot(cx),
13445 cx,
13446 )),
13447 cx,
13448 );
13449
13450 let old_cursor_shape = self.cursor_shape;
13451
13452 {
13453 let editor_settings = EditorSettings::get_global(cx);
13454 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
13455 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
13456 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
13457 }
13458
13459 if old_cursor_shape != self.cursor_shape {
13460 cx.emit(EditorEvent::CursorShapeChanged);
13461 }
13462
13463 let project_settings = ProjectSettings::get_global(cx);
13464 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
13465
13466 if self.mode == EditorMode::Full {
13467 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
13468 if self.git_blame_inline_enabled != inline_blame_enabled {
13469 self.toggle_git_blame_inline_internal(false, window, cx);
13470 }
13471 }
13472
13473 cx.notify();
13474 }
13475
13476 pub fn set_searchable(&mut self, searchable: bool) {
13477 self.searchable = searchable;
13478 }
13479
13480 pub fn searchable(&self) -> bool {
13481 self.searchable
13482 }
13483
13484 fn open_proposed_changes_editor(
13485 &mut self,
13486 _: &OpenProposedChangesEditor,
13487 window: &mut Window,
13488 cx: &mut Context<Self>,
13489 ) {
13490 let Some(workspace) = self.workspace() else {
13491 cx.propagate();
13492 return;
13493 };
13494
13495 let selections = self.selections.all::<usize>(cx);
13496 let multi_buffer = self.buffer.read(cx);
13497 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
13498 let mut new_selections_by_buffer = HashMap::default();
13499 for selection in selections {
13500 for (buffer, range, _) in
13501 multi_buffer_snapshot.range_to_buffer_ranges(selection.start..selection.end)
13502 {
13503 let mut range = range.to_point(buffer);
13504 range.start.column = 0;
13505 range.end.column = buffer.line_len(range.end.row);
13506 new_selections_by_buffer
13507 .entry(multi_buffer.buffer(buffer.remote_id()).unwrap())
13508 .or_insert(Vec::new())
13509 .push(range)
13510 }
13511 }
13512
13513 let proposed_changes_buffers = new_selections_by_buffer
13514 .into_iter()
13515 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
13516 .collect::<Vec<_>>();
13517 let proposed_changes_editor = cx.new(|cx| {
13518 ProposedChangesEditor::new(
13519 "Proposed changes",
13520 proposed_changes_buffers,
13521 self.project.clone(),
13522 window,
13523 cx,
13524 )
13525 });
13526
13527 window.defer(cx, move |window, cx| {
13528 workspace.update(cx, |workspace, cx| {
13529 workspace.active_pane().update(cx, |pane, cx| {
13530 pane.add_item(
13531 Box::new(proposed_changes_editor),
13532 true,
13533 true,
13534 None,
13535 window,
13536 cx,
13537 );
13538 });
13539 });
13540 });
13541 }
13542
13543 pub fn open_excerpts_in_split(
13544 &mut self,
13545 _: &OpenExcerptsSplit,
13546 window: &mut Window,
13547 cx: &mut Context<Self>,
13548 ) {
13549 self.open_excerpts_common(None, true, window, cx)
13550 }
13551
13552 pub fn open_excerpts(&mut self, _: &OpenExcerpts, window: &mut Window, cx: &mut Context<Self>) {
13553 self.open_excerpts_common(None, false, window, cx)
13554 }
13555
13556 fn open_excerpts_common(
13557 &mut self,
13558 jump_data: Option<JumpData>,
13559 split: bool,
13560 window: &mut Window,
13561 cx: &mut Context<Self>,
13562 ) {
13563 let Some(workspace) = self.workspace() else {
13564 cx.propagate();
13565 return;
13566 };
13567
13568 if self.buffer.read(cx).is_singleton() {
13569 cx.propagate();
13570 return;
13571 }
13572
13573 let mut new_selections_by_buffer = HashMap::default();
13574 match &jump_data {
13575 Some(JumpData::MultiBufferPoint {
13576 excerpt_id,
13577 position,
13578 anchor,
13579 line_offset_from_top,
13580 }) => {
13581 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
13582 if let Some(buffer) = multi_buffer_snapshot
13583 .buffer_id_for_excerpt(*excerpt_id)
13584 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
13585 {
13586 let buffer_snapshot = buffer.read(cx).snapshot();
13587 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
13588 language::ToPoint::to_point(anchor, &buffer_snapshot)
13589 } else {
13590 buffer_snapshot.clip_point(*position, Bias::Left)
13591 };
13592 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
13593 new_selections_by_buffer.insert(
13594 buffer,
13595 (
13596 vec![jump_to_offset..jump_to_offset],
13597 Some(*line_offset_from_top),
13598 ),
13599 );
13600 }
13601 }
13602 Some(JumpData::MultiBufferRow {
13603 row,
13604 line_offset_from_top,
13605 }) => {
13606 let point = MultiBufferPoint::new(row.0, 0);
13607 if let Some((buffer, buffer_point, _)) =
13608 self.buffer.read(cx).point_to_buffer_point(point, cx)
13609 {
13610 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
13611 new_selections_by_buffer
13612 .entry(buffer)
13613 .or_insert((Vec::new(), Some(*line_offset_from_top)))
13614 .0
13615 .push(buffer_offset..buffer_offset)
13616 }
13617 }
13618 None => {
13619 let selections = self.selections.all::<usize>(cx);
13620 let multi_buffer = self.buffer.read(cx);
13621 for selection in selections {
13622 for (buffer, mut range, _) in multi_buffer
13623 .snapshot(cx)
13624 .range_to_buffer_ranges(selection.range())
13625 {
13626 // When editing branch buffers, jump to the corresponding location
13627 // in their base buffer.
13628 let mut buffer_handle = multi_buffer.buffer(buffer.remote_id()).unwrap();
13629 let buffer = buffer_handle.read(cx);
13630 if let Some(base_buffer) = buffer.base_buffer() {
13631 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
13632 buffer_handle = base_buffer;
13633 }
13634
13635 if selection.reversed {
13636 mem::swap(&mut range.start, &mut range.end);
13637 }
13638 new_selections_by_buffer
13639 .entry(buffer_handle)
13640 .or_insert((Vec::new(), None))
13641 .0
13642 .push(range)
13643 }
13644 }
13645 }
13646 }
13647
13648 if new_selections_by_buffer.is_empty() {
13649 return;
13650 }
13651
13652 // We defer the pane interaction because we ourselves are a workspace item
13653 // and activating a new item causes the pane to call a method on us reentrantly,
13654 // which panics if we're on the stack.
13655 window.defer(cx, move |window, cx| {
13656 workspace.update(cx, |workspace, cx| {
13657 let pane = if split {
13658 workspace.adjacent_pane(window, cx)
13659 } else {
13660 workspace.active_pane().clone()
13661 };
13662
13663 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
13664 let editor = buffer
13665 .read(cx)
13666 .file()
13667 .is_none()
13668 .then(|| {
13669 // Handle file-less buffers separately: those are not really the project items, so won't have a project path or entity id,
13670 // so `workspace.open_project_item` will never find them, always opening a new editor.
13671 // Instead, we try to activate the existing editor in the pane first.
13672 let (editor, pane_item_index) =
13673 pane.read(cx).items().enumerate().find_map(|(i, item)| {
13674 let editor = item.downcast::<Editor>()?;
13675 let singleton_buffer =
13676 editor.read(cx).buffer().read(cx).as_singleton()?;
13677 if singleton_buffer == buffer {
13678 Some((editor, i))
13679 } else {
13680 None
13681 }
13682 })?;
13683 pane.update(cx, |pane, cx| {
13684 pane.activate_item(pane_item_index, true, true, window, cx)
13685 });
13686 Some(editor)
13687 })
13688 .flatten()
13689 .unwrap_or_else(|| {
13690 workspace.open_project_item::<Self>(
13691 pane.clone(),
13692 buffer,
13693 true,
13694 true,
13695 window,
13696 cx,
13697 )
13698 });
13699
13700 editor.update(cx, |editor, cx| {
13701 let autoscroll = match scroll_offset {
13702 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
13703 None => Autoscroll::newest(),
13704 };
13705 let nav_history = editor.nav_history.take();
13706 editor.change_selections(Some(autoscroll), window, cx, |s| {
13707 s.select_ranges(ranges);
13708 });
13709 editor.nav_history = nav_history;
13710 });
13711 }
13712 })
13713 });
13714 }
13715
13716 fn marked_text_ranges(&self, cx: &App) -> Option<Vec<Range<OffsetUtf16>>> {
13717 let snapshot = self.buffer.read(cx).read(cx);
13718 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
13719 Some(
13720 ranges
13721 .iter()
13722 .map(move |range| {
13723 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
13724 })
13725 .collect(),
13726 )
13727 }
13728
13729 fn selection_replacement_ranges(
13730 &self,
13731 range: Range<OffsetUtf16>,
13732 cx: &mut App,
13733 ) -> Vec<Range<OffsetUtf16>> {
13734 let selections = self.selections.all::<OffsetUtf16>(cx);
13735 let newest_selection = selections
13736 .iter()
13737 .max_by_key(|selection| selection.id)
13738 .unwrap();
13739 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
13740 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
13741 let snapshot = self.buffer.read(cx).read(cx);
13742 selections
13743 .into_iter()
13744 .map(|mut selection| {
13745 selection.start.0 =
13746 (selection.start.0 as isize).saturating_add(start_delta) as usize;
13747 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
13748 snapshot.clip_offset_utf16(selection.start, Bias::Left)
13749 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
13750 })
13751 .collect()
13752 }
13753
13754 fn report_editor_event(
13755 &self,
13756 event_type: &'static str,
13757 file_extension: Option<String>,
13758 cx: &App,
13759 ) {
13760 if cfg!(any(test, feature = "test-support")) {
13761 return;
13762 }
13763
13764 let Some(project) = &self.project else { return };
13765
13766 // If None, we are in a file without an extension
13767 let file = self
13768 .buffer
13769 .read(cx)
13770 .as_singleton()
13771 .and_then(|b| b.read(cx).file());
13772 let file_extension = file_extension.or(file
13773 .as_ref()
13774 .and_then(|file| Path::new(file.file_name(cx)).extension())
13775 .and_then(|e| e.to_str())
13776 .map(|a| a.to_string()));
13777
13778 let vim_mode = cx
13779 .global::<SettingsStore>()
13780 .raw_user_settings()
13781 .get("vim_mode")
13782 == Some(&serde_json::Value::Bool(true));
13783
13784 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
13785 == language::language_settings::InlineCompletionProvider::Copilot;
13786 let copilot_enabled_for_language = self
13787 .buffer
13788 .read(cx)
13789 .settings_at(0, cx)
13790 .show_inline_completions;
13791
13792 let project = project.read(cx);
13793 telemetry::event!(
13794 event_type,
13795 file_extension,
13796 vim_mode,
13797 copilot_enabled,
13798 copilot_enabled_for_language,
13799 is_via_ssh = project.is_via_ssh(),
13800 );
13801 }
13802
13803 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
13804 /// with each line being an array of {text, highlight} objects.
13805 fn copy_highlight_json(
13806 &mut self,
13807 _: &CopyHighlightJson,
13808 window: &mut Window,
13809 cx: &mut Context<Self>,
13810 ) {
13811 #[derive(Serialize)]
13812 struct Chunk<'a> {
13813 text: String,
13814 highlight: Option<&'a str>,
13815 }
13816
13817 let snapshot = self.buffer.read(cx).snapshot(cx);
13818 let range = self
13819 .selected_text_range(false, window, cx)
13820 .and_then(|selection| {
13821 if selection.range.is_empty() {
13822 None
13823 } else {
13824 Some(selection.range)
13825 }
13826 })
13827 .unwrap_or_else(|| 0..snapshot.len());
13828
13829 let chunks = snapshot.chunks(range, true);
13830 let mut lines = Vec::new();
13831 let mut line: VecDeque<Chunk> = VecDeque::new();
13832
13833 let Some(style) = self.style.as_ref() else {
13834 return;
13835 };
13836
13837 for chunk in chunks {
13838 let highlight = chunk
13839 .syntax_highlight_id
13840 .and_then(|id| id.name(&style.syntax));
13841 let mut chunk_lines = chunk.text.split('\n').peekable();
13842 while let Some(text) = chunk_lines.next() {
13843 let mut merged_with_last_token = false;
13844 if let Some(last_token) = line.back_mut() {
13845 if last_token.highlight == highlight {
13846 last_token.text.push_str(text);
13847 merged_with_last_token = true;
13848 }
13849 }
13850
13851 if !merged_with_last_token {
13852 line.push_back(Chunk {
13853 text: text.into(),
13854 highlight,
13855 });
13856 }
13857
13858 if chunk_lines.peek().is_some() {
13859 if line.len() > 1 && line.front().unwrap().text.is_empty() {
13860 line.pop_front();
13861 }
13862 if line.len() > 1 && line.back().unwrap().text.is_empty() {
13863 line.pop_back();
13864 }
13865
13866 lines.push(mem::take(&mut line));
13867 }
13868 }
13869 }
13870
13871 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
13872 return;
13873 };
13874 cx.write_to_clipboard(ClipboardItem::new_string(lines));
13875 }
13876
13877 pub fn open_context_menu(
13878 &mut self,
13879 _: &OpenContextMenu,
13880 window: &mut Window,
13881 cx: &mut Context<Self>,
13882 ) {
13883 self.request_autoscroll(Autoscroll::newest(), cx);
13884 let position = self.selections.newest_display(cx).start;
13885 mouse_context_menu::deploy_context_menu(self, None, position, window, cx);
13886 }
13887
13888 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
13889 &self.inlay_hint_cache
13890 }
13891
13892 pub fn replay_insert_event(
13893 &mut self,
13894 text: &str,
13895 relative_utf16_range: Option<Range<isize>>,
13896 window: &mut Window,
13897 cx: &mut Context<Self>,
13898 ) {
13899 if !self.input_enabled {
13900 cx.emit(EditorEvent::InputIgnored { text: text.into() });
13901 return;
13902 }
13903 if let Some(relative_utf16_range) = relative_utf16_range {
13904 let selections = self.selections.all::<OffsetUtf16>(cx);
13905 self.change_selections(None, window, cx, |s| {
13906 let new_ranges = selections.into_iter().map(|range| {
13907 let start = OffsetUtf16(
13908 range
13909 .head()
13910 .0
13911 .saturating_add_signed(relative_utf16_range.start),
13912 );
13913 let end = OffsetUtf16(
13914 range
13915 .head()
13916 .0
13917 .saturating_add_signed(relative_utf16_range.end),
13918 );
13919 start..end
13920 });
13921 s.select_ranges(new_ranges);
13922 });
13923 }
13924
13925 self.handle_input(text, window, cx);
13926 }
13927
13928 pub fn supports_inlay_hints(&self, cx: &App) -> bool {
13929 let Some(provider) = self.semantics_provider.as_ref() else {
13930 return false;
13931 };
13932
13933 let mut supports = false;
13934 self.buffer().read(cx).for_each_buffer(|buffer| {
13935 supports |= provider.supports_inlay_hints(buffer, cx);
13936 });
13937 supports
13938 }
13939 pub fn is_focused(&self, window: &mut Window) -> bool {
13940 self.focus_handle.is_focused(window)
13941 }
13942
13943 fn handle_focus(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13944 cx.emit(EditorEvent::Focused);
13945
13946 if let Some(descendant) = self
13947 .last_focused_descendant
13948 .take()
13949 .and_then(|descendant| descendant.upgrade())
13950 {
13951 window.focus(&descendant);
13952 } else {
13953 if let Some(blame) = self.blame.as_ref() {
13954 blame.update(cx, GitBlame::focus)
13955 }
13956
13957 self.blink_manager.update(cx, BlinkManager::enable);
13958 self.show_cursor_names(window, cx);
13959 self.buffer.update(cx, |buffer, cx| {
13960 buffer.finalize_last_transaction(cx);
13961 if self.leader_peer_id.is_none() {
13962 buffer.set_active_selections(
13963 &self.selections.disjoint_anchors(),
13964 self.selections.line_mode,
13965 self.cursor_shape,
13966 cx,
13967 );
13968 }
13969 });
13970 }
13971 }
13972
13973 fn handle_focus_in(&mut self, _: &mut Window, cx: &mut Context<Self>) {
13974 cx.emit(EditorEvent::FocusedIn)
13975 }
13976
13977 fn handle_focus_out(
13978 &mut self,
13979 event: FocusOutEvent,
13980 _window: &mut Window,
13981 _cx: &mut Context<Self>,
13982 ) {
13983 if event.blurred != self.focus_handle {
13984 self.last_focused_descendant = Some(event.blurred);
13985 }
13986 }
13987
13988 pub fn handle_blur(&mut self, window: &mut Window, cx: &mut Context<Self>) {
13989 self.blink_manager.update(cx, BlinkManager::disable);
13990 self.buffer
13991 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
13992
13993 if let Some(blame) = self.blame.as_ref() {
13994 blame.update(cx, GitBlame::blur)
13995 }
13996 if !self.hover_state.focused(window, cx) {
13997 hide_hover(self, cx);
13998 }
13999
14000 self.hide_context_menu(window, cx);
14001 cx.emit(EditorEvent::Blurred);
14002 cx.notify();
14003 }
14004
14005 pub fn register_action<A: Action>(
14006 &mut self,
14007 listener: impl Fn(&A, &mut Window, &mut App) + 'static,
14008 ) -> Subscription {
14009 let id = self.next_editor_action_id.post_inc();
14010 let listener = Arc::new(listener);
14011 self.editor_actions.borrow_mut().insert(
14012 id,
14013 Box::new(move |window, _| {
14014 let listener = listener.clone();
14015 window.on_action(TypeId::of::<A>(), move |action, phase, window, cx| {
14016 let action = action.downcast_ref().unwrap();
14017 if phase == DispatchPhase::Bubble {
14018 listener(action, window, cx)
14019 }
14020 })
14021 }),
14022 );
14023
14024 let editor_actions = self.editor_actions.clone();
14025 Subscription::new(move || {
14026 editor_actions.borrow_mut().remove(&id);
14027 })
14028 }
14029
14030 pub fn file_header_size(&self) -> u32 {
14031 FILE_HEADER_HEIGHT
14032 }
14033
14034 pub fn revert(
14035 &mut self,
14036 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
14037 window: &mut Window,
14038 cx: &mut Context<Self>,
14039 ) {
14040 self.buffer().update(cx, |multi_buffer, cx| {
14041 for (buffer_id, changes) in revert_changes {
14042 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
14043 buffer.update(cx, |buffer, cx| {
14044 buffer.edit(
14045 changes.into_iter().map(|(range, text)| {
14046 (range, text.to_string().map(Arc::<str>::from))
14047 }),
14048 None,
14049 cx,
14050 );
14051 });
14052 }
14053 }
14054 });
14055 self.change_selections(None, window, cx, |selections| selections.refresh());
14056 }
14057
14058 pub fn to_pixel_point(
14059 &self,
14060 source: multi_buffer::Anchor,
14061 editor_snapshot: &EditorSnapshot,
14062 window: &mut Window,
14063 ) -> Option<gpui::Point<Pixels>> {
14064 let source_point = source.to_display_point(editor_snapshot);
14065 self.display_to_pixel_point(source_point, editor_snapshot, window)
14066 }
14067
14068 pub fn display_to_pixel_point(
14069 &self,
14070 source: DisplayPoint,
14071 editor_snapshot: &EditorSnapshot,
14072 window: &mut Window,
14073 ) -> Option<gpui::Point<Pixels>> {
14074 let line_height = self.style()?.text.line_height_in_pixels(window.rem_size());
14075 let text_layout_details = self.text_layout_details(window);
14076 let scroll_top = text_layout_details
14077 .scroll_anchor
14078 .scroll_position(editor_snapshot)
14079 .y;
14080
14081 if source.row().as_f32() < scroll_top.floor() {
14082 return None;
14083 }
14084 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
14085 let source_y = line_height * (source.row().as_f32() - scroll_top);
14086 Some(gpui::Point::new(source_x, source_y))
14087 }
14088
14089 pub fn has_active_completions_menu(&self) -> bool {
14090 self.context_menu.borrow().as_ref().map_or(false, |menu| {
14091 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
14092 })
14093 }
14094
14095 pub fn register_addon<T: Addon>(&mut self, instance: T) {
14096 self.addons
14097 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
14098 }
14099
14100 pub fn unregister_addon<T: Addon>(&mut self) {
14101 self.addons.remove(&std::any::TypeId::of::<T>());
14102 }
14103
14104 pub fn addon<T: Addon>(&self) -> Option<&T> {
14105 let type_id = std::any::TypeId::of::<T>();
14106 self.addons
14107 .get(&type_id)
14108 .and_then(|item| item.to_any().downcast_ref::<T>())
14109 }
14110
14111 fn character_size(&self, window: &mut Window) -> gpui::Point<Pixels> {
14112 let text_layout_details = self.text_layout_details(window);
14113 let style = &text_layout_details.editor_style;
14114 let font_id = window.text_system().resolve_font(&style.text.font());
14115 let font_size = style.text.font_size.to_pixels(window.rem_size());
14116 let line_height = style.text.line_height_in_pixels(window.rem_size());
14117
14118 let em_width = window
14119 .text_system()
14120 .typographic_bounds(font_id, font_size, 'm')
14121 .unwrap()
14122 .size
14123 .width;
14124
14125 gpui::Point::new(em_width, line_height)
14126 }
14127}
14128
14129fn get_unstaged_changes_for_buffers(
14130 project: &Entity<Project>,
14131 buffers: impl IntoIterator<Item = Entity<Buffer>>,
14132 buffer: Entity<MultiBuffer>,
14133 cx: &mut App,
14134) {
14135 let mut tasks = Vec::new();
14136 project.update(cx, |project, cx| {
14137 for buffer in buffers {
14138 tasks.push(project.open_unstaged_changes(buffer.clone(), cx))
14139 }
14140 });
14141 cx.spawn(|mut cx| async move {
14142 let change_sets = futures::future::join_all(tasks).await;
14143 buffer
14144 .update(&mut cx, |buffer, cx| {
14145 for change_set in change_sets {
14146 if let Some(change_set) = change_set.log_err() {
14147 buffer.add_change_set(change_set, cx);
14148 }
14149 }
14150 })
14151 .ok();
14152 })
14153 .detach();
14154}
14155
14156fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
14157 let tab_size = tab_size.get() as usize;
14158 let mut width = offset;
14159
14160 for ch in text.chars() {
14161 width += if ch == '\t' {
14162 tab_size - (width % tab_size)
14163 } else {
14164 1
14165 };
14166 }
14167
14168 width - offset
14169}
14170
14171#[cfg(test)]
14172mod tests {
14173 use super::*;
14174
14175 #[test]
14176 fn test_string_size_with_expanded_tabs() {
14177 let nz = |val| NonZeroU32::new(val).unwrap();
14178 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
14179 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
14180 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
14181 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
14182 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
14183 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
14184 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
14185 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
14186 }
14187}
14188
14189/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
14190struct WordBreakingTokenizer<'a> {
14191 input: &'a str,
14192}
14193
14194impl<'a> WordBreakingTokenizer<'a> {
14195 fn new(input: &'a str) -> Self {
14196 Self { input }
14197 }
14198}
14199
14200fn is_char_ideographic(ch: char) -> bool {
14201 use unicode_script::Script::*;
14202 use unicode_script::UnicodeScript;
14203 matches!(ch.script(), Han | Tangut | Yi)
14204}
14205
14206fn is_grapheme_ideographic(text: &str) -> bool {
14207 text.chars().any(is_char_ideographic)
14208}
14209
14210fn is_grapheme_whitespace(text: &str) -> bool {
14211 text.chars().any(|x| x.is_whitespace())
14212}
14213
14214fn should_stay_with_preceding_ideograph(text: &str) -> bool {
14215 text.chars().next().map_or(false, |ch| {
14216 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
14217 })
14218}
14219
14220#[derive(PartialEq, Eq, Debug, Clone, Copy)]
14221struct WordBreakToken<'a> {
14222 token: &'a str,
14223 grapheme_len: usize,
14224 is_whitespace: bool,
14225}
14226
14227impl<'a> Iterator for WordBreakingTokenizer<'a> {
14228 /// Yields a span, the count of graphemes in the token, and whether it was
14229 /// whitespace. Note that it also breaks at word boundaries.
14230 type Item = WordBreakToken<'a>;
14231
14232 fn next(&mut self) -> Option<Self::Item> {
14233 use unicode_segmentation::UnicodeSegmentation;
14234 if self.input.is_empty() {
14235 return None;
14236 }
14237
14238 let mut iter = self.input.graphemes(true).peekable();
14239 let mut offset = 0;
14240 let mut graphemes = 0;
14241 if let Some(first_grapheme) = iter.next() {
14242 let is_whitespace = is_grapheme_whitespace(first_grapheme);
14243 offset += first_grapheme.len();
14244 graphemes += 1;
14245 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
14246 if let Some(grapheme) = iter.peek().copied() {
14247 if should_stay_with_preceding_ideograph(grapheme) {
14248 offset += grapheme.len();
14249 graphemes += 1;
14250 }
14251 }
14252 } else {
14253 let mut words = self.input[offset..].split_word_bound_indices().peekable();
14254 let mut next_word_bound = words.peek().copied();
14255 if next_word_bound.map_or(false, |(i, _)| i == 0) {
14256 next_word_bound = words.next();
14257 }
14258 while let Some(grapheme) = iter.peek().copied() {
14259 if next_word_bound.map_or(false, |(i, _)| i == offset) {
14260 break;
14261 };
14262 if is_grapheme_whitespace(grapheme) != is_whitespace {
14263 break;
14264 };
14265 offset += grapheme.len();
14266 graphemes += 1;
14267 iter.next();
14268 }
14269 }
14270 let token = &self.input[..offset];
14271 self.input = &self.input[offset..];
14272 if is_whitespace {
14273 Some(WordBreakToken {
14274 token: " ",
14275 grapheme_len: 1,
14276 is_whitespace: true,
14277 })
14278 } else {
14279 Some(WordBreakToken {
14280 token,
14281 grapheme_len: graphemes,
14282 is_whitespace: false,
14283 })
14284 }
14285 } else {
14286 None
14287 }
14288 }
14289}
14290
14291#[test]
14292fn test_word_breaking_tokenizer() {
14293 let tests: &[(&str, &[(&str, usize, bool)])] = &[
14294 ("", &[]),
14295 (" ", &[(" ", 1, true)]),
14296 ("Ʒ", &[("Ʒ", 1, false)]),
14297 ("Ǽ", &[("Ǽ", 1, false)]),
14298 ("⋑", &[("⋑", 1, false)]),
14299 ("⋑⋑", &[("⋑⋑", 2, false)]),
14300 (
14301 "原理，进而",
14302 &[
14303 ("原", 1, false),
14304 ("理，", 2, false),
14305 ("进", 1, false),
14306 ("而", 1, false),
14307 ],
14308 ),
14309 (
14310 "hello world",
14311 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
14312 ),
14313 (
14314 "hello, world",
14315 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
14316 ),
14317 (
14318 " hello world",
14319 &[
14320 (" ", 1, true),
14321 ("hello", 5, false),
14322 (" ", 1, true),
14323 ("world", 5, false),
14324 ],
14325 ),
14326 (
14327 "这是什么 \n 钢笔",
14328 &[
14329 ("这", 1, false),
14330 ("是", 1, false),
14331 ("什", 1, false),
14332 ("么", 1, false),
14333 (" ", 1, true),
14334 ("钢", 1, false),
14335 ("笔", 1, false),
14336 ],
14337 ),
14338 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
14339 ];
14340
14341 for (input, result) in tests {
14342 assert_eq!(
14343 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
14344 result
14345 .iter()
14346 .copied()
14347 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
14348 token,
14349 grapheme_len,
14350 is_whitespace,
14351 })
14352 .collect::<Vec<_>>()
14353 );
14354 }
14355}
14356
14357fn wrap_with_prefix(
14358 line_prefix: String,
14359 unwrapped_text: String,
14360 wrap_column: usize,
14361 tab_size: NonZeroU32,
14362) -> String {
14363 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
14364 let mut wrapped_text = String::new();
14365 let mut current_line = line_prefix.clone();
14366
14367 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
14368 let mut current_line_len = line_prefix_len;
14369 for WordBreakToken {
14370 token,
14371 grapheme_len,
14372 is_whitespace,
14373 } in tokenizer
14374 {
14375 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
14376 wrapped_text.push_str(current_line.trim_end());
14377 wrapped_text.push('\n');
14378 current_line.truncate(line_prefix.len());
14379 current_line_len = line_prefix_len;
14380 if !is_whitespace {
14381 current_line.push_str(token);
14382 current_line_len += grapheme_len;
14383 }
14384 } else if !is_whitespace {
14385 current_line.push_str(token);
14386 current_line_len += grapheme_len;
14387 } else if current_line_len != line_prefix_len {
14388 current_line.push(' ');
14389 current_line_len += 1;
14390 }
14391 }
14392
14393 if !current_line.is_empty() {
14394 wrapped_text.push_str(¤t_line);
14395 }
14396 wrapped_text
14397}
14398
14399#[test]
14400fn test_wrap_with_prefix() {
14401 assert_eq!(
14402 wrap_with_prefix(
14403 "# ".to_string(),
14404 "abcdefg".to_string(),
14405 4,
14406 NonZeroU32::new(4).unwrap()
14407 ),
14408 "# abcdefg"
14409 );
14410 assert_eq!(
14411 wrap_with_prefix(
14412 "".to_string(),
14413 "\thello world".to_string(),
14414 8,
14415 NonZeroU32::new(4).unwrap()
14416 ),
14417 "hello\nworld"
14418 );
14419 assert_eq!(
14420 wrap_with_prefix(
14421 "// ".to_string(),
14422 "xx \nyy zz aa bb cc".to_string(),
14423 12,
14424 NonZeroU32::new(4).unwrap()
14425 ),
14426 "// xx yy zz\n// aa bb cc"
14427 );
14428 assert_eq!(
14429 wrap_with_prefix(
14430 String::new(),
14431 "这是什么 \n 钢笔".to_string(),
14432 3,
14433 NonZeroU32::new(4).unwrap()
14434 ),
14435 "这是什\n么 钢\n笔"
14436 );
14437}
14438
14439pub trait CollaborationHub {
14440 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator>;
14441 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex>;
14442 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString>;
14443}
14444
14445impl CollaborationHub for Entity<Project> {
14446 fn collaborators<'a>(&self, cx: &'a App) -> &'a HashMap<PeerId, Collaborator> {
14447 self.read(cx).collaborators()
14448 }
14449
14450 fn user_participant_indices<'a>(&self, cx: &'a App) -> &'a HashMap<u64, ParticipantIndex> {
14451 self.read(cx).user_store().read(cx).participant_indices()
14452 }
14453
14454 fn user_names(&self, cx: &App) -> HashMap<u64, SharedString> {
14455 let this = self.read(cx);
14456 let user_ids = this.collaborators().values().map(|c| c.user_id);
14457 this.user_store().read_with(cx, |user_store, cx| {
14458 user_store.participant_names(user_ids, cx)
14459 })
14460 }
14461}
14462
14463pub trait SemanticsProvider {
14464 fn hover(
14465 &self,
14466 buffer: &Entity<Buffer>,
14467 position: text::Anchor,
14468 cx: &mut App,
14469 ) -> Option<Task<Vec<project::Hover>>>;
14470
14471 fn inlay_hints(
14472 &self,
14473 buffer_handle: Entity<Buffer>,
14474 range: Range<text::Anchor>,
14475 cx: &mut App,
14476 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
14477
14478 fn resolve_inlay_hint(
14479 &self,
14480 hint: InlayHint,
14481 buffer_handle: Entity<Buffer>,
14482 server_id: LanguageServerId,
14483 cx: &mut App,
14484 ) -> Option<Task<anyhow::Result<InlayHint>>>;
14485
14486 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool;
14487
14488 fn document_highlights(
14489 &self,
14490 buffer: &Entity<Buffer>,
14491 position: text::Anchor,
14492 cx: &mut App,
14493 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
14494
14495 fn definitions(
14496 &self,
14497 buffer: &Entity<Buffer>,
14498 position: text::Anchor,
14499 kind: GotoDefinitionKind,
14500 cx: &mut App,
14501 ) -> Option<Task<Result<Vec<LocationLink>>>>;
14502
14503 fn range_for_rename(
14504 &self,
14505 buffer: &Entity<Buffer>,
14506 position: text::Anchor,
14507 cx: &mut App,
14508 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
14509
14510 fn perform_rename(
14511 &self,
14512 buffer: &Entity<Buffer>,
14513 position: text::Anchor,
14514 new_name: String,
14515 cx: &mut App,
14516 ) -> Option<Task<Result<ProjectTransaction>>>;
14517}
14518
14519pub trait CompletionProvider {
14520 fn completions(
14521 &self,
14522 buffer: &Entity<Buffer>,
14523 buffer_position: text::Anchor,
14524 trigger: CompletionContext,
14525 window: &mut Window,
14526 cx: &mut Context<Editor>,
14527 ) -> Task<Result<Vec<Completion>>>;
14528
14529 fn resolve_completions(
14530 &self,
14531 buffer: Entity<Buffer>,
14532 completion_indices: Vec<usize>,
14533 completions: Rc<RefCell<Box<[Completion]>>>,
14534 cx: &mut Context<Editor>,
14535 ) -> Task<Result<bool>>;
14536
14537 fn apply_additional_edits_for_completion(
14538 &self,
14539 _buffer: Entity<Buffer>,
14540 _completions: Rc<RefCell<Box<[Completion]>>>,
14541 _completion_index: usize,
14542 _push_to_history: bool,
14543 _cx: &mut Context<Editor>,
14544 ) -> Task<Result<Option<language::Transaction>>> {
14545 Task::ready(Ok(None))
14546 }
14547
14548 fn is_completion_trigger(
14549 &self,
14550 buffer: &Entity<Buffer>,
14551 position: language::Anchor,
14552 text: &str,
14553 trigger_in_words: bool,
14554 cx: &mut Context<Editor>,
14555 ) -> bool;
14556
14557 fn sort_completions(&self) -> bool {
14558 true
14559 }
14560}
14561
14562pub trait CodeActionProvider {
14563 fn id(&self) -> Arc<str>;
14564
14565 fn code_actions(
14566 &self,
14567 buffer: &Entity<Buffer>,
14568 range: Range<text::Anchor>,
14569 window: &mut Window,
14570 cx: &mut App,
14571 ) -> Task<Result<Vec<CodeAction>>>;
14572
14573 fn apply_code_action(
14574 &self,
14575 buffer_handle: Entity<Buffer>,
14576 action: CodeAction,
14577 excerpt_id: ExcerptId,
14578 push_to_history: bool,
14579 window: &mut Window,
14580 cx: &mut App,
14581 ) -> Task<Result<ProjectTransaction>>;
14582}
14583
14584impl CodeActionProvider for Entity<Project> {
14585 fn id(&self) -> Arc<str> {
14586 "project".into()
14587 }
14588
14589 fn code_actions(
14590 &self,
14591 buffer: &Entity<Buffer>,
14592 range: Range<text::Anchor>,
14593 _window: &mut Window,
14594 cx: &mut App,
14595 ) -> Task<Result<Vec<CodeAction>>> {
14596 self.update(cx, |project, cx| {
14597 project.code_actions(buffer, range, None, cx)
14598 })
14599 }
14600
14601 fn apply_code_action(
14602 &self,
14603 buffer_handle: Entity<Buffer>,
14604 action: CodeAction,
14605 _excerpt_id: ExcerptId,
14606 push_to_history: bool,
14607 _window: &mut Window,
14608 cx: &mut App,
14609 ) -> Task<Result<ProjectTransaction>> {
14610 self.update(cx, |project, cx| {
14611 project.apply_code_action(buffer_handle, action, push_to_history, cx)
14612 })
14613 }
14614}
14615
14616fn snippet_completions(
14617 project: &Project,
14618 buffer: &Entity<Buffer>,
14619 buffer_position: text::Anchor,
14620 cx: &mut App,
14621) -> Task<Result<Vec<Completion>>> {
14622 let language = buffer.read(cx).language_at(buffer_position);
14623 let language_name = language.as_ref().map(|language| language.lsp_id());
14624 let snippet_store = project.snippets().read(cx);
14625 let snippets = snippet_store.snippets_for(language_name, cx);
14626
14627 if snippets.is_empty() {
14628 return Task::ready(Ok(vec![]));
14629 }
14630 let snapshot = buffer.read(cx).text_snapshot();
14631 let chars: String = snapshot
14632 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
14633 .collect();
14634
14635 let scope = language.map(|language| language.default_scope());
14636 let executor = cx.background_executor().clone();
14637
14638 cx.background_executor().spawn(async move {
14639 let classifier = CharClassifier::new(scope).for_completion(true);
14640 let mut last_word = chars
14641 .chars()
14642 .take_while(|c| classifier.is_word(*c))
14643 .collect::<String>();
14644 last_word = last_word.chars().rev().collect();
14645
14646 if last_word.is_empty() {
14647 return Ok(vec![]);
14648 }
14649
14650 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
14651 let to_lsp = |point: &text::Anchor| {
14652 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
14653 point_to_lsp(end)
14654 };
14655 let lsp_end = to_lsp(&buffer_position);
14656
14657 let candidates = snippets
14658 .iter()
14659 .enumerate()
14660 .flat_map(|(ix, snippet)| {
14661 snippet
14662 .prefix
14663 .iter()
14664 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
14665 })
14666 .collect::<Vec<StringMatchCandidate>>();
14667
14668 let mut matches = fuzzy::match_strings(
14669 &candidates,
14670 &last_word,
14671 last_word.chars().any(|c| c.is_uppercase()),
14672 100,
14673 &Default::default(),
14674 executor,
14675 )
14676 .await;
14677
14678 // Remove all candidates where the query's start does not match the start of any word in the candidate
14679 if let Some(query_start) = last_word.chars().next() {
14680 matches.retain(|string_match| {
14681 split_words(&string_match.string).any(|word| {
14682 // Check that the first codepoint of the word as lowercase matches the first
14683 // codepoint of the query as lowercase
14684 word.chars()
14685 .flat_map(|codepoint| codepoint.to_lowercase())
14686 .zip(query_start.to_lowercase())
14687 .all(|(word_cp, query_cp)| word_cp == query_cp)
14688 })
14689 });
14690 }
14691
14692 let matched_strings = matches
14693 .into_iter()
14694 .map(|m| m.string)
14695 .collect::<HashSet<_>>();
14696
14697 let result: Vec<Completion> = snippets
14698 .into_iter()
14699 .filter_map(|snippet| {
14700 let matching_prefix = snippet
14701 .prefix
14702 .iter()
14703 .find(|prefix| matched_strings.contains(*prefix))?;
14704 let start = as_offset - last_word.len();
14705 let start = snapshot.anchor_before(start);
14706 let range = start..buffer_position;
14707 let lsp_start = to_lsp(&start);
14708 let lsp_range = lsp::Range {
14709 start: lsp_start,
14710 end: lsp_end,
14711 };
14712 Some(Completion {
14713 old_range: range,
14714 new_text: snippet.body.clone(),
14715 resolved: false,
14716 label: CodeLabel {
14717 text: matching_prefix.clone(),
14718 runs: vec![],
14719 filter_range: 0..matching_prefix.len(),
14720 },
14721 server_id: LanguageServerId(usize::MAX),
14722 documentation: snippet.description.clone().map(Documentation::SingleLine),
14723 lsp_completion: lsp::CompletionItem {
14724 label: snippet.prefix.first().unwrap().clone(),
14725 kind: Some(CompletionItemKind::SNIPPET),
14726 label_details: snippet.description.as_ref().map(|description| {
14727 lsp::CompletionItemLabelDetails {
14728 detail: Some(description.clone()),
14729 description: None,
14730 }
14731 }),
14732 insert_text_format: Some(InsertTextFormat::SNIPPET),
14733 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
14734 lsp::InsertReplaceEdit {
14735 new_text: snippet.body.clone(),
14736 insert: lsp_range,
14737 replace: lsp_range,
14738 },
14739 )),
14740 filter_text: Some(snippet.body.clone()),
14741 sort_text: Some(char::MAX.to_string()),
14742 ..Default::default()
14743 },
14744 confirm: None,
14745 })
14746 })
14747 .collect();
14748
14749 Ok(result)
14750 })
14751}
14752
14753impl CompletionProvider for Entity<Project> {
14754 fn completions(
14755 &self,
14756 buffer: &Entity<Buffer>,
14757 buffer_position: text::Anchor,
14758 options: CompletionContext,
14759 _window: &mut Window,
14760 cx: &mut Context<Editor>,
14761 ) -> Task<Result<Vec<Completion>>> {
14762 self.update(cx, |project, cx| {
14763 let snippets = snippet_completions(project, buffer, buffer_position, cx);
14764 let project_completions = project.completions(buffer, buffer_position, options, cx);
14765 cx.background_executor().spawn(async move {
14766 let mut completions = project_completions.await?;
14767 let snippets_completions = snippets.await?;
14768 completions.extend(snippets_completions);
14769 Ok(completions)
14770 })
14771 })
14772 }
14773
14774 fn resolve_completions(
14775 &self,
14776 buffer: Entity<Buffer>,
14777 completion_indices: Vec<usize>,
14778 completions: Rc<RefCell<Box<[Completion]>>>,
14779 cx: &mut Context<Editor>,
14780 ) -> Task<Result<bool>> {
14781 self.update(cx, |project, cx| {
14782 project.lsp_store().update(cx, |lsp_store, cx| {
14783 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
14784 })
14785 })
14786 }
14787
14788 fn apply_additional_edits_for_completion(
14789 &self,
14790 buffer: Entity<Buffer>,
14791 completions: Rc<RefCell<Box<[Completion]>>>,
14792 completion_index: usize,
14793 push_to_history: bool,
14794 cx: &mut Context<Editor>,
14795 ) -> Task<Result<Option<language::Transaction>>> {
14796 self.update(cx, |project, cx| {
14797 project.lsp_store().update(cx, |lsp_store, cx| {
14798 lsp_store.apply_additional_edits_for_completion(
14799 buffer,
14800 completions,
14801 completion_index,
14802 push_to_history,
14803 cx,
14804 )
14805 })
14806 })
14807 }
14808
14809 fn is_completion_trigger(
14810 &self,
14811 buffer: &Entity<Buffer>,
14812 position: language::Anchor,
14813 text: &str,
14814 trigger_in_words: bool,
14815 cx: &mut Context<Editor>,
14816 ) -> bool {
14817 let mut chars = text.chars();
14818 let char = if let Some(char) = chars.next() {
14819 char
14820 } else {
14821 return false;
14822 };
14823 if chars.next().is_some() {
14824 return false;
14825 }
14826
14827 let buffer = buffer.read(cx);
14828 let snapshot = buffer.snapshot();
14829 if !snapshot.settings_at(position, cx).show_completions_on_input {
14830 return false;
14831 }
14832 let classifier = snapshot.char_classifier_at(position).for_completion(true);
14833 if trigger_in_words && classifier.is_word(char) {
14834 return true;
14835 }
14836
14837 buffer.completion_triggers().contains(text)
14838 }
14839}
14840
14841impl SemanticsProvider for Entity<Project> {
14842 fn hover(
14843 &self,
14844 buffer: &Entity<Buffer>,
14845 position: text::Anchor,
14846 cx: &mut App,
14847 ) -> Option<Task<Vec<project::Hover>>> {
14848 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
14849 }
14850
14851 fn document_highlights(
14852 &self,
14853 buffer: &Entity<Buffer>,
14854 position: text::Anchor,
14855 cx: &mut App,
14856 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
14857 Some(self.update(cx, |project, cx| {
14858 project.document_highlights(buffer, position, cx)
14859 }))
14860 }
14861
14862 fn definitions(
14863 &self,
14864 buffer: &Entity<Buffer>,
14865 position: text::Anchor,
14866 kind: GotoDefinitionKind,
14867 cx: &mut App,
14868 ) -> Option<Task<Result<Vec<LocationLink>>>> {
14869 Some(self.update(cx, |project, cx| match kind {
14870 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
14871 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
14872 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
14873 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
14874 }))
14875 }
14876
14877 fn supports_inlay_hints(&self, buffer: &Entity<Buffer>, cx: &App) -> bool {
14878 // TODO: make this work for remote projects
14879 self.read(cx)
14880 .language_servers_for_local_buffer(buffer.read(cx), cx)
14881 .any(
14882 |(_, server)| match server.capabilities().inlay_hint_provider {
14883 Some(lsp::OneOf::Left(enabled)) => enabled,
14884 Some(lsp::OneOf::Right(_)) => true,
14885 None => false,
14886 },
14887 )
14888 }
14889
14890 fn inlay_hints(
14891 &self,
14892 buffer_handle: Entity<Buffer>,
14893 range: Range<text::Anchor>,
14894 cx: &mut App,
14895 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
14896 Some(self.update(cx, |project, cx| {
14897 project.inlay_hints(buffer_handle, range, cx)
14898 }))
14899 }
14900
14901 fn resolve_inlay_hint(
14902 &self,
14903 hint: InlayHint,
14904 buffer_handle: Entity<Buffer>,
14905 server_id: LanguageServerId,
14906 cx: &mut App,
14907 ) -> Option<Task<anyhow::Result<InlayHint>>> {
14908 Some(self.update(cx, |project, cx| {
14909 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
14910 }))
14911 }
14912
14913 fn range_for_rename(
14914 &self,
14915 buffer: &Entity<Buffer>,
14916 position: text::Anchor,
14917 cx: &mut App,
14918 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
14919 Some(self.update(cx, |project, cx| {
14920 let buffer = buffer.clone();
14921 let task = project.prepare_rename(buffer.clone(), position, cx);
14922 cx.spawn(|_, mut cx| async move {
14923 Ok(match task.await? {
14924 PrepareRenameResponse::Success(range) => Some(range),
14925 PrepareRenameResponse::InvalidPosition => None,
14926 PrepareRenameResponse::OnlyUnpreparedRenameSupported => {
14927 // Fallback on using TreeSitter info to determine identifier range
14928 buffer.update(&mut cx, |buffer, _| {
14929 let snapshot = buffer.snapshot();
14930 let (range, kind) = snapshot.surrounding_word(position);
14931 if kind != Some(CharKind::Word) {
14932 return None;
14933 }
14934 Some(
14935 snapshot.anchor_before(range.start)
14936 ..snapshot.anchor_after(range.end),
14937 )
14938 })?
14939 }
14940 })
14941 })
14942 }))
14943 }
14944
14945 fn perform_rename(
14946 &self,
14947 buffer: &Entity<Buffer>,
14948 position: text::Anchor,
14949 new_name: String,
14950 cx: &mut App,
14951 ) -> Option<Task<Result<ProjectTransaction>>> {
14952 Some(self.update(cx, |project, cx| {
14953 project.perform_rename(buffer.clone(), position, new_name, cx)
14954 }))
14955 }
14956}
14957
14958fn inlay_hint_settings(
14959 location: Anchor,
14960 snapshot: &MultiBufferSnapshot,
14961 cx: &mut Context<Editor>,
14962) -> InlayHintSettings {
14963 let file = snapshot.file_at(location);
14964 let language = snapshot.language_at(location).map(|l| l.name());
14965 language_settings(language, file, cx).inlay_hints
14966}
14967
14968fn consume_contiguous_rows(
14969 contiguous_row_selections: &mut Vec<Selection<Point>>,
14970 selection: &Selection<Point>,
14971 display_map: &DisplaySnapshot,
14972 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
14973) -> (MultiBufferRow, MultiBufferRow) {
14974 contiguous_row_selections.push(selection.clone());
14975 let start_row = MultiBufferRow(selection.start.row);
14976 let mut end_row = ending_row(selection, display_map);
14977
14978 while let Some(next_selection) = selections.peek() {
14979 if next_selection.start.row <= end_row.0 {
14980 end_row = ending_row(next_selection, display_map);
14981 contiguous_row_selections.push(selections.next().unwrap().clone());
14982 } else {
14983 break;
14984 }
14985 }
14986 (start_row, end_row)
14987}
14988
14989fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
14990 if next_selection.end.column > 0 || next_selection.is_empty() {
14991 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
14992 } else {
14993 MultiBufferRow(next_selection.end.row)
14994 }
14995}
14996
14997impl EditorSnapshot {
14998 pub fn remote_selections_in_range<'a>(
14999 &'a self,
15000 range: &'a Range<Anchor>,
15001 collaboration_hub: &dyn CollaborationHub,
15002 cx: &'a App,
15003 ) -> impl 'a + Iterator<Item = RemoteSelection> {
15004 let participant_names = collaboration_hub.user_names(cx);
15005 let participant_indices = collaboration_hub.user_participant_indices(cx);
15006 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
15007 let collaborators_by_replica_id = collaborators_by_peer_id
15008 .iter()
15009 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
15010 .collect::<HashMap<_, _>>();
15011 self.buffer_snapshot
15012 .selections_in_range(range, false)
15013 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
15014 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
15015 let participant_index = participant_indices.get(&collaborator.user_id).copied();
15016 let user_name = participant_names.get(&collaborator.user_id).cloned();
15017 Some(RemoteSelection {
15018 replica_id,
15019 selection,
15020 cursor_shape,
15021 line_mode,
15022 participant_index,
15023 peer_id: collaborator.peer_id,
15024 user_name,
15025 })
15026 })
15027 }
15028
15029 pub fn hunks_for_ranges(
15030 &self,
15031 ranges: impl Iterator<Item = Range<Point>>,
15032 ) -> Vec<MultiBufferDiffHunk> {
15033 let mut hunks = Vec::new();
15034 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
15035 HashMap::default();
15036 for query_range in ranges {
15037 let query_rows =
15038 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
15039 for hunk in self.buffer_snapshot.diff_hunks_in_range(
15040 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
15041 ) {
15042 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
15043 // when the caret is just above or just below the deleted hunk.
15044 let allow_adjacent = hunk.status() == DiffHunkStatus::Removed;
15045 let related_to_selection = if allow_adjacent {
15046 hunk.row_range.overlaps(&query_rows)
15047 || hunk.row_range.start == query_rows.end
15048 || hunk.row_range.end == query_rows.start
15049 } else {
15050 hunk.row_range.overlaps(&query_rows)
15051 };
15052 if related_to_selection {
15053 if !processed_buffer_rows
15054 .entry(hunk.buffer_id)
15055 .or_default()
15056 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
15057 {
15058 continue;
15059 }
15060 hunks.push(hunk);
15061 }
15062 }
15063 }
15064
15065 hunks
15066 }
15067
15068 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
15069 self.display_snapshot.buffer_snapshot.language_at(position)
15070 }
15071
15072 pub fn is_focused(&self) -> bool {
15073 self.is_focused
15074 }
15075
15076 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
15077 self.placeholder_text.as_ref()
15078 }
15079
15080 pub fn scroll_position(&self) -> gpui::Point<f32> {
15081 self.scroll_anchor.scroll_position(&self.display_snapshot)
15082 }
15083
15084 fn gutter_dimensions(
15085 &self,
15086 font_id: FontId,
15087 font_size: Pixels,
15088 em_width: Pixels,
15089 em_advance: Pixels,
15090 max_line_number_width: Pixels,
15091 cx: &App,
15092 ) -> GutterDimensions {
15093 if !self.show_gutter {
15094 return GutterDimensions::default();
15095 }
15096 let descent = cx.text_system().descent(font_id, font_size);
15097
15098 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
15099 matches!(
15100 ProjectSettings::get_global(cx).git.git_gutter,
15101 Some(GitGutterSetting::TrackedFiles)
15102 )
15103 });
15104 let gutter_settings = EditorSettings::get_global(cx).gutter;
15105 let show_line_numbers = self
15106 .show_line_numbers
15107 .unwrap_or(gutter_settings.line_numbers);
15108 let line_gutter_width = if show_line_numbers {
15109 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
15110 let min_width_for_number_on_gutter = em_advance * 4.0;
15111 max_line_number_width.max(min_width_for_number_on_gutter)
15112 } else {
15113 0.0.into()
15114 };
15115
15116 let show_code_actions = self
15117 .show_code_actions
15118 .unwrap_or(gutter_settings.code_actions);
15119
15120 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
15121
15122 let git_blame_entries_width =
15123 self.git_blame_gutter_max_author_length
15124 .map(|max_author_length| {
15125 // Length of the author name, but also space for the commit hash,
15126 // the spacing and the timestamp.
15127 let max_char_count = max_author_length
15128 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
15129 + 7 // length of commit sha
15130 + 14 // length of max relative timestamp ("60 minutes ago")
15131 + 4; // gaps and margins
15132
15133 em_advance * max_char_count
15134 });
15135
15136 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
15137 left_padding += if show_code_actions || show_runnables {
15138 em_width * 3.0
15139 } else if show_git_gutter && show_line_numbers {
15140 em_width * 2.0
15141 } else if show_git_gutter || show_line_numbers {
15142 em_width
15143 } else {
15144 px(0.)
15145 };
15146
15147 let right_padding = if gutter_settings.folds && show_line_numbers {
15148 em_width * 4.0
15149 } else if gutter_settings.folds {
15150 em_width * 3.0
15151 } else if show_line_numbers {
15152 em_width
15153 } else {
15154 px(0.)
15155 };
15156
15157 GutterDimensions {
15158 left_padding,
15159 right_padding,
15160 width: line_gutter_width + left_padding + right_padding,
15161 margin: -descent,
15162 git_blame_entries_width,
15163 }
15164 }
15165
15166 pub fn render_crease_toggle(
15167 &self,
15168 buffer_row: MultiBufferRow,
15169 row_contains_cursor: bool,
15170 editor: Entity<Editor>,
15171 window: &mut Window,
15172 cx: &mut App,
15173 ) -> Option<AnyElement> {
15174 let folded = self.is_line_folded(buffer_row);
15175 let mut is_foldable = false;
15176
15177 if let Some(crease) = self
15178 .crease_snapshot
15179 .query_row(buffer_row, &self.buffer_snapshot)
15180 {
15181 is_foldable = true;
15182 match crease {
15183 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
15184 if let Some(render_toggle) = render_toggle {
15185 let toggle_callback =
15186 Arc::new(move |folded, window: &mut Window, cx: &mut App| {
15187 if folded {
15188 editor.update(cx, |editor, cx| {
15189 editor.fold_at(&crate::FoldAt { buffer_row }, window, cx)
15190 });
15191 } else {
15192 editor.update(cx, |editor, cx| {
15193 editor.unfold_at(
15194 &crate::UnfoldAt { buffer_row },
15195 window,
15196 cx,
15197 )
15198 });
15199 }
15200 });
15201 return Some((render_toggle)(
15202 buffer_row,
15203 folded,
15204 toggle_callback,
15205 window,
15206 cx,
15207 ));
15208 }
15209 }
15210 }
15211 }
15212
15213 is_foldable |= self.starts_indent(buffer_row);
15214
15215 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
15216 Some(
15217 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
15218 .toggle_state(folded)
15219 .on_click(window.listener_for(&editor, move |this, _e, window, cx| {
15220 if folded {
15221 this.unfold_at(&UnfoldAt { buffer_row }, window, cx);
15222 } else {
15223 this.fold_at(&FoldAt { buffer_row }, window, cx);
15224 }
15225 }))
15226 .into_any_element(),
15227 )
15228 } else {
15229 None
15230 }
15231 }
15232
15233 pub fn render_crease_trailer(
15234 &self,
15235 buffer_row: MultiBufferRow,
15236 window: &mut Window,
15237 cx: &mut App,
15238 ) -> Option<AnyElement> {
15239 let folded = self.is_line_folded(buffer_row);
15240 if let Crease::Inline { render_trailer, .. } = self
15241 .crease_snapshot
15242 .query_row(buffer_row, &self.buffer_snapshot)?
15243 {
15244 let render_trailer = render_trailer.as_ref()?;
15245 Some(render_trailer(buffer_row, folded, window, cx))
15246 } else {
15247 None
15248 }
15249 }
15250}
15251
15252impl Deref for EditorSnapshot {
15253 type Target = DisplaySnapshot;
15254
15255 fn deref(&self) -> &Self::Target {
15256 &self.display_snapshot
15257 }
15258}
15259
15260#[derive(Clone, Debug, PartialEq, Eq)]
15261pub enum EditorEvent {
15262 InputIgnored {
15263 text: Arc<str>,
15264 },
15265 InputHandled {
15266 utf16_range_to_replace: Option<Range<isize>>,
15267 text: Arc<str>,
15268 },
15269 ExcerptsAdded {
15270 buffer: Entity<Buffer>,
15271 predecessor: ExcerptId,
15272 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
15273 },
15274 ExcerptsRemoved {
15275 ids: Vec<ExcerptId>,
15276 },
15277 BufferFoldToggled {
15278 ids: Vec<ExcerptId>,
15279 folded: bool,
15280 },
15281 ExcerptsEdited {
15282 ids: Vec<ExcerptId>,
15283 },
15284 ExcerptsExpanded {
15285 ids: Vec<ExcerptId>,
15286 },
15287 BufferEdited,
15288 Edited {
15289 transaction_id: clock::Lamport,
15290 },
15291 Reparsed(BufferId),
15292 Focused,
15293 FocusedIn,
15294 Blurred,
15295 DirtyChanged,
15296 Saved,
15297 TitleChanged,
15298 DiffBaseChanged,
15299 SelectionsChanged {
15300 local: bool,
15301 },
15302 ScrollPositionChanged {
15303 local: bool,
15304 autoscroll: bool,
15305 },
15306 Closed,
15307 TransactionUndone {
15308 transaction_id: clock::Lamport,
15309 },
15310 TransactionBegun {
15311 transaction_id: clock::Lamport,
15312 },
15313 Reloaded,
15314 CursorShapeChanged,
15315}
15316
15317impl EventEmitter<EditorEvent> for Editor {}
15318
15319impl Focusable for Editor {
15320 fn focus_handle(&self, _cx: &App) -> FocusHandle {
15321 self.focus_handle.clone()
15322 }
15323}
15324
15325impl Render for Editor {
15326 fn render<'a>(&mut self, _: &mut Window, cx: &mut Context<'a, Self>) -> impl IntoElement {
15327 let settings = ThemeSettings::get_global(cx);
15328
15329 let mut text_style = match self.mode {
15330 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
15331 color: cx.theme().colors().editor_foreground,
15332 font_family: settings.ui_font.family.clone(),
15333 font_features: settings.ui_font.features.clone(),
15334 font_fallbacks: settings.ui_font.fallbacks.clone(),
15335 font_size: rems(0.875).into(),
15336 font_weight: settings.ui_font.weight,
15337 line_height: relative(settings.buffer_line_height.value()),
15338 ..Default::default()
15339 },
15340 EditorMode::Full => TextStyle {
15341 color: cx.theme().colors().editor_foreground,
15342 font_family: settings.buffer_font.family.clone(),
15343 font_features: settings.buffer_font.features.clone(),
15344 font_fallbacks: settings.buffer_font.fallbacks.clone(),
15345 font_size: settings.buffer_font_size().into(),
15346 font_weight: settings.buffer_font.weight,
15347 line_height: relative(settings.buffer_line_height.value()),
15348 ..Default::default()
15349 },
15350 };
15351 if let Some(text_style_refinement) = &self.text_style_refinement {
15352 text_style.refine(text_style_refinement)
15353 }
15354
15355 let background = match self.mode {
15356 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
15357 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
15358 EditorMode::Full => cx.theme().colors().editor_background,
15359 };
15360
15361 EditorElement::new(
15362 &cx.entity(),
15363 EditorStyle {
15364 background,
15365 local_player: cx.theme().players().local(),
15366 text: text_style,
15367 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
15368 syntax: cx.theme().syntax().clone(),
15369 status: cx.theme().status().clone(),
15370 inlay_hints_style: make_inlay_hints_style(cx),
15371 inline_completion_styles: make_suggestion_styles(cx),
15372 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
15373 },
15374 )
15375 }
15376}
15377
15378impl EntityInputHandler for Editor {
15379 fn text_for_range(
15380 &mut self,
15381 range_utf16: Range<usize>,
15382 adjusted_range: &mut Option<Range<usize>>,
15383 _: &mut Window,
15384 cx: &mut Context<Self>,
15385 ) -> Option<String> {
15386 let snapshot = self.buffer.read(cx).read(cx);
15387 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
15388 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
15389 if (start.0..end.0) != range_utf16 {
15390 adjusted_range.replace(start.0..end.0);
15391 }
15392 Some(snapshot.text_for_range(start..end).collect())
15393 }
15394
15395 fn selected_text_range(
15396 &mut self,
15397 ignore_disabled_input: bool,
15398 _: &mut Window,
15399 cx: &mut Context<Self>,
15400 ) -> Option<UTF16Selection> {
15401 // Prevent the IME menu from appearing when holding down an alphabetic key
15402 // while input is disabled.
15403 if !ignore_disabled_input && !self.input_enabled {
15404 return None;
15405 }
15406
15407 let selection = self.selections.newest::<OffsetUtf16>(cx);
15408 let range = selection.range();
15409
15410 Some(UTF16Selection {
15411 range: range.start.0..range.end.0,
15412 reversed: selection.reversed,
15413 })
15414 }
15415
15416 fn marked_text_range(&self, _: &mut Window, cx: &mut Context<Self>) -> Option<Range<usize>> {
15417 let snapshot = self.buffer.read(cx).read(cx);
15418 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
15419 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
15420 }
15421
15422 fn unmark_text(&mut self, _: &mut Window, cx: &mut Context<Self>) {
15423 self.clear_highlights::<InputComposition>(cx);
15424 self.ime_transaction.take();
15425 }
15426
15427 fn replace_text_in_range(
15428 &mut self,
15429 range_utf16: Option<Range<usize>>,
15430 text: &str,
15431 window: &mut Window,
15432 cx: &mut Context<Self>,
15433 ) {
15434 if !self.input_enabled {
15435 cx.emit(EditorEvent::InputIgnored { text: text.into() });
15436 return;
15437 }
15438
15439 self.transact(window, cx, |this, window, cx| {
15440 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
15441 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15442 Some(this.selection_replacement_ranges(range_utf16, cx))
15443 } else {
15444 this.marked_text_ranges(cx)
15445 };
15446
15447 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
15448 let newest_selection_id = this.selections.newest_anchor().id;
15449 this.selections
15450 .all::<OffsetUtf16>(cx)
15451 .iter()
15452 .zip(ranges_to_replace.iter())
15453 .find_map(|(selection, range)| {
15454 if selection.id == newest_selection_id {
15455 Some(
15456 (range.start.0 as isize - selection.head().0 as isize)
15457 ..(range.end.0 as isize - selection.head().0 as isize),
15458 )
15459 } else {
15460 None
15461 }
15462 })
15463 });
15464
15465 cx.emit(EditorEvent::InputHandled {
15466 utf16_range_to_replace: range_to_replace,
15467 text: text.into(),
15468 });
15469
15470 if let Some(new_selected_ranges) = new_selected_ranges {
15471 this.change_selections(None, window, cx, |selections| {
15472 selections.select_ranges(new_selected_ranges)
15473 });
15474 this.backspace(&Default::default(), window, cx);
15475 }
15476
15477 this.handle_input(text, window, cx);
15478 });
15479
15480 if let Some(transaction) = self.ime_transaction {
15481 self.buffer.update(cx, |buffer, cx| {
15482 buffer.group_until_transaction(transaction, cx);
15483 });
15484 }
15485
15486 self.unmark_text(window, cx);
15487 }
15488
15489 fn replace_and_mark_text_in_range(
15490 &mut self,
15491 range_utf16: Option<Range<usize>>,
15492 text: &str,
15493 new_selected_range_utf16: Option<Range<usize>>,
15494 window: &mut Window,
15495 cx: &mut Context<Self>,
15496 ) {
15497 if !self.input_enabled {
15498 return;
15499 }
15500
15501 let transaction = self.transact(window, cx, |this, window, cx| {
15502 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
15503 let snapshot = this.buffer.read(cx).read(cx);
15504 if let Some(relative_range_utf16) = range_utf16.as_ref() {
15505 for marked_range in &mut marked_ranges {
15506 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
15507 marked_range.start.0 += relative_range_utf16.start;
15508 marked_range.start =
15509 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
15510 marked_range.end =
15511 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
15512 }
15513 }
15514 Some(marked_ranges)
15515 } else if let Some(range_utf16) = range_utf16 {
15516 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
15517 Some(this.selection_replacement_ranges(range_utf16, cx))
15518 } else {
15519 None
15520 };
15521
15522 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
15523 let newest_selection_id = this.selections.newest_anchor().id;
15524 this.selections
15525 .all::<OffsetUtf16>(cx)
15526 .iter()
15527 .zip(ranges_to_replace.iter())
15528 .find_map(|(selection, range)| {
15529 if selection.id == newest_selection_id {
15530 Some(
15531 (range.start.0 as isize - selection.head().0 as isize)
15532 ..(range.end.0 as isize - selection.head().0 as isize),
15533 )
15534 } else {
15535 None
15536 }
15537 })
15538 });
15539
15540 cx.emit(EditorEvent::InputHandled {
15541 utf16_range_to_replace: range_to_replace,
15542 text: text.into(),
15543 });
15544
15545 if let Some(ranges) = ranges_to_replace {
15546 this.change_selections(None, window, cx, |s| s.select_ranges(ranges));
15547 }
15548
15549 let marked_ranges = {
15550 let snapshot = this.buffer.read(cx).read(cx);
15551 this.selections
15552 .disjoint_anchors()
15553 .iter()
15554 .map(|selection| {
15555 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
15556 })
15557 .collect::<Vec<_>>()
15558 };
15559
15560 if text.is_empty() {
15561 this.unmark_text(window, cx);
15562 } else {
15563 this.highlight_text::<InputComposition>(
15564 marked_ranges.clone(),
15565 HighlightStyle {
15566 underline: Some(UnderlineStyle {
15567 thickness: px(1.),
15568 color: None,
15569 wavy: false,
15570 }),
15571 ..Default::default()
15572 },
15573 cx,
15574 );
15575 }
15576
15577 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
15578 let use_autoclose = this.use_autoclose;
15579 let use_auto_surround = this.use_auto_surround;
15580 this.set_use_autoclose(false);
15581 this.set_use_auto_surround(false);
15582 this.handle_input(text, window, cx);
15583 this.set_use_autoclose(use_autoclose);
15584 this.set_use_auto_surround(use_auto_surround);
15585
15586 if let Some(new_selected_range) = new_selected_range_utf16 {
15587 let snapshot = this.buffer.read(cx).read(cx);
15588 let new_selected_ranges = marked_ranges
15589 .into_iter()
15590 .map(|marked_range| {
15591 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
15592 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
15593 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
15594 snapshot.clip_offset_utf16(new_start, Bias::Left)
15595 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
15596 })
15597 .collect::<Vec<_>>();
15598
15599 drop(snapshot);
15600 this.change_selections(None, window, cx, |selections| {
15601 selections.select_ranges(new_selected_ranges)
15602 });
15603 }
15604 });
15605
15606 self.ime_transaction = self.ime_transaction.or(transaction);
15607 if let Some(transaction) = self.ime_transaction {
15608 self.buffer.update(cx, |buffer, cx| {
15609 buffer.group_until_transaction(transaction, cx);
15610 });
15611 }
15612
15613 if self.text_highlights::<InputComposition>(cx).is_none() {
15614 self.ime_transaction.take();
15615 }
15616 }
15617
15618 fn bounds_for_range(
15619 &mut self,
15620 range_utf16: Range<usize>,
15621 element_bounds: gpui::Bounds<Pixels>,
15622 window: &mut Window,
15623 cx: &mut Context<Self>,
15624 ) -> Option<gpui::Bounds<Pixels>> {
15625 let text_layout_details = self.text_layout_details(window);
15626 let gpui::Point {
15627 x: em_width,
15628 y: line_height,
15629 } = self.character_size(window);
15630
15631 let snapshot = self.snapshot(window, cx);
15632 let scroll_position = snapshot.scroll_position();
15633 let scroll_left = scroll_position.x * em_width;
15634
15635 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
15636 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
15637 + self.gutter_dimensions.width
15638 + self.gutter_dimensions.margin;
15639 let y = line_height * (start.row().as_f32() - scroll_position.y);
15640
15641 Some(Bounds {
15642 origin: element_bounds.origin + point(x, y),
15643 size: size(em_width, line_height),
15644 })
15645 }
15646}
15647
15648trait SelectionExt {
15649 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
15650 fn spanned_rows(
15651 &self,
15652 include_end_if_at_line_start: bool,
15653 map: &DisplaySnapshot,
15654 ) -> Range<MultiBufferRow>;
15655}
15656
15657impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
15658 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
15659 let start = self
15660 .start
15661 .to_point(&map.buffer_snapshot)
15662 .to_display_point(map);
15663 let end = self
15664 .end
15665 .to_point(&map.buffer_snapshot)
15666 .to_display_point(map);
15667 if self.reversed {
15668 end..start
15669 } else {
15670 start..end
15671 }
15672 }
15673
15674 fn spanned_rows(
15675 &self,
15676 include_end_if_at_line_start: bool,
15677 map: &DisplaySnapshot,
15678 ) -> Range<MultiBufferRow> {
15679 let start = self.start.to_point(&map.buffer_snapshot);
15680 let mut end = self.end.to_point(&map.buffer_snapshot);
15681 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
15682 end.row -= 1;
15683 }
15684
15685 let buffer_start = map.prev_line_boundary(start).0;
15686 let buffer_end = map.next_line_boundary(end).0;
15687 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
15688 }
15689}
15690
15691impl<T: InvalidationRegion> InvalidationStack<T> {
15692 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
15693 where
15694 S: Clone + ToOffset,
15695 {
15696 while let Some(region) = self.last() {
15697 let all_selections_inside_invalidation_ranges =
15698 if selections.len() == region.ranges().len() {
15699 selections
15700 .iter()
15701 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
15702 .all(|(selection, invalidation_range)| {
15703 let head = selection.head().to_offset(buffer);
15704 invalidation_range.start <= head && invalidation_range.end >= head
15705 })
15706 } else {
15707 false
15708 };
15709
15710 if all_selections_inside_invalidation_ranges {
15711 break;
15712 } else {
15713 self.pop();
15714 }
15715 }
15716 }
15717}
15718
15719impl<T> Default for InvalidationStack<T> {
15720 fn default() -> Self {
15721 Self(Default::default())
15722 }
15723}
15724
15725impl<T> Deref for InvalidationStack<T> {
15726 type Target = Vec<T>;
15727
15728 fn deref(&self) -> &Self::Target {
15729 &self.0
15730 }
15731}
15732
15733impl<T> DerefMut for InvalidationStack<T> {
15734 fn deref_mut(&mut self) -> &mut Self::Target {
15735 &mut self.0
15736 }
15737}
15738
15739impl InvalidationRegion for SnippetState {
15740 fn ranges(&self) -> &[Range<Anchor>] {
15741 &self.ranges[self.active_index]
15742 }
15743}
15744
15745pub fn diagnostic_block_renderer(
15746 diagnostic: Diagnostic,
15747 max_message_rows: Option<u8>,
15748 allow_closing: bool,
15749 _is_valid: bool,
15750) -> RenderBlock {
15751 let (text_without_backticks, code_ranges) =
15752 highlight_diagnostic_message(&diagnostic, max_message_rows);
15753
15754 Arc::new(move |cx: &mut BlockContext| {
15755 let group_id: SharedString = cx.block_id.to_string().into();
15756
15757 let mut text_style = cx.window.text_style().clone();
15758 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
15759 let theme_settings = ThemeSettings::get_global(cx);
15760 text_style.font_family = theme_settings.buffer_font.family.clone();
15761 text_style.font_style = theme_settings.buffer_font.style;
15762 text_style.font_features = theme_settings.buffer_font.features.clone();
15763 text_style.font_weight = theme_settings.buffer_font.weight;
15764
15765 let multi_line_diagnostic = diagnostic.message.contains('\n');
15766
15767 let buttons = |diagnostic: &Diagnostic| {
15768 if multi_line_diagnostic {
15769 v_flex()
15770 } else {
15771 h_flex()
15772 }
15773 .when(allow_closing, |div| {
15774 div.children(diagnostic.is_primary.then(|| {
15775 IconButton::new("close-block", IconName::XCircle)
15776 .icon_color(Color::Muted)
15777 .size(ButtonSize::Compact)
15778 .style(ButtonStyle::Transparent)
15779 .visible_on_hover(group_id.clone())
15780 .on_click(move |_click, window, cx| {
15781 window.dispatch_action(Box::new(Cancel), cx)
15782 })
15783 .tooltip(|window, cx| {
15784 Tooltip::for_action("Close Diagnostics", &Cancel, window, cx)
15785 })
15786 }))
15787 })
15788 .child(
15789 IconButton::new("copy-block", IconName::Copy)
15790 .icon_color(Color::Muted)
15791 .size(ButtonSize::Compact)
15792 .style(ButtonStyle::Transparent)
15793 .visible_on_hover(group_id.clone())
15794 .on_click({
15795 let message = diagnostic.message.clone();
15796 move |_click, _, cx| {
15797 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
15798 }
15799 })
15800 .tooltip(Tooltip::text("Copy diagnostic message")),
15801 )
15802 };
15803
15804 let icon_size = buttons(&diagnostic).into_any_element().layout_as_root(
15805 AvailableSpace::min_size(),
15806 cx.window,
15807 cx.app,
15808 );
15809
15810 h_flex()
15811 .id(cx.block_id)
15812 .group(group_id.clone())
15813 .relative()
15814 .size_full()
15815 .block_mouse_down()
15816 .pl(cx.gutter_dimensions.width)
15817 .w(cx.max_width - cx.gutter_dimensions.full_width())
15818 .child(
15819 div()
15820 .flex()
15821 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
15822 .flex_shrink(),
15823 )
15824 .child(buttons(&diagnostic))
15825 .child(div().flex().flex_shrink_0().child(
15826 StyledText::new(text_without_backticks.clone()).with_highlights(
15827 &text_style,
15828 code_ranges.iter().map(|range| {
15829 (
15830 range.clone(),
15831 HighlightStyle {
15832 font_weight: Some(FontWeight::BOLD),
15833 ..Default::default()
15834 },
15835 )
15836 }),
15837 ),
15838 ))
15839 .into_any_element()
15840 })
15841}
15842
15843fn inline_completion_edit_text(
15844 current_snapshot: &BufferSnapshot,
15845 edits: &[(Range<Anchor>, String)],
15846 edit_preview: &EditPreview,
15847 include_deletions: bool,
15848 cx: &App,
15849) -> Option<HighlightedEdits> {
15850 let edits = edits
15851 .iter()
15852 .map(|(anchor, text)| {
15853 (
15854 anchor.start.text_anchor..anchor.end.text_anchor,
15855 text.clone(),
15856 )
15857 })
15858 .collect::<Vec<_>>();
15859
15860 Some(edit_preview.highlight_edits(current_snapshot, &edits, include_deletions, cx))
15861}
15862
15863pub fn highlight_diagnostic_message(
15864 diagnostic: &Diagnostic,
15865 mut max_message_rows: Option<u8>,
15866) -> (SharedString, Vec<Range<usize>>) {
15867 let mut text_without_backticks = String::new();
15868 let mut code_ranges = Vec::new();
15869
15870 if let Some(source) = &diagnostic.source {
15871 text_without_backticks.push_str(source);
15872 code_ranges.push(0..source.len());
15873 text_without_backticks.push_str(": ");
15874 }
15875
15876 let mut prev_offset = 0;
15877 let mut in_code_block = false;
15878 let has_row_limit = max_message_rows.is_some();
15879 let mut newline_indices = diagnostic
15880 .message
15881 .match_indices('\n')
15882 .filter(|_| has_row_limit)
15883 .map(|(ix, _)| ix)
15884 .fuse()
15885 .peekable();
15886
15887 for (quote_ix, _) in diagnostic
15888 .message
15889 .match_indices('`')
15890 .chain([(diagnostic.message.len(), "")])
15891 {
15892 let mut first_newline_ix = None;
15893 let mut last_newline_ix = None;
15894 while let Some(newline_ix) = newline_indices.peek() {
15895 if *newline_ix < quote_ix {
15896 if first_newline_ix.is_none() {
15897 first_newline_ix = Some(*newline_ix);
15898 }
15899 last_newline_ix = Some(*newline_ix);
15900
15901 if let Some(rows_left) = &mut max_message_rows {
15902 if *rows_left == 0 {
15903 break;
15904 } else {
15905 *rows_left -= 1;
15906 }
15907 }
15908 let _ = newline_indices.next();
15909 } else {
15910 break;
15911 }
15912 }
15913 let prev_len = text_without_backticks.len();
15914 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
15915 text_without_backticks.push_str(new_text);
15916 if in_code_block {
15917 code_ranges.push(prev_len..text_without_backticks.len());
15918 }
15919 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
15920 in_code_block = !in_code_block;
15921 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
15922 text_without_backticks.push_str("...");
15923 break;
15924 }
15925 }
15926
15927 (text_without_backticks.into(), code_ranges)
15928}
15929
15930fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
15931 match severity {
15932 DiagnosticSeverity::ERROR => colors.error,
15933 DiagnosticSeverity::WARNING => colors.warning,
15934 DiagnosticSeverity::INFORMATION => colors.info,
15935 DiagnosticSeverity::HINT => colors.info,
15936 _ => colors.ignored,
15937 }
15938}
15939
15940pub fn styled_runs_for_code_label<'a>(
15941 label: &'a CodeLabel,
15942 syntax_theme: &'a theme::SyntaxTheme,
15943) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
15944 let fade_out = HighlightStyle {
15945 fade_out: Some(0.35),
15946 ..Default::default()
15947 };
15948
15949 let mut prev_end = label.filter_range.end;
15950 label
15951 .runs
15952 .iter()
15953 .enumerate()
15954 .flat_map(move |(ix, (range, highlight_id))| {
15955 let style = if let Some(style) = highlight_id.style(syntax_theme) {
15956 style
15957 } else {
15958 return Default::default();
15959 };
15960 let mut muted_style = style;
15961 muted_style.highlight(fade_out);
15962
15963 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
15964 if range.start >= label.filter_range.end {
15965 if range.start > prev_end {
15966 runs.push((prev_end..range.start, fade_out));
15967 }
15968 runs.push((range.clone(), muted_style));
15969 } else if range.end <= label.filter_range.end {
15970 runs.push((range.clone(), style));
15971 } else {
15972 runs.push((range.start..label.filter_range.end, style));
15973 runs.push((label.filter_range.end..range.end, muted_style));
15974 }
15975 prev_end = cmp::max(prev_end, range.end);
15976
15977 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
15978 runs.push((prev_end..label.text.len(), fade_out));
15979 }
15980
15981 runs
15982 })
15983}
15984
15985pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
15986 let mut prev_index = 0;
15987 let mut prev_codepoint: Option<char> = None;
15988 text.char_indices()
15989 .chain([(text.len(), '\0')])
15990 .filter_map(move |(index, codepoint)| {
15991 let prev_codepoint = prev_codepoint.replace(codepoint)?;
15992 let is_boundary = index == text.len()
15993 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
15994 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
15995 if is_boundary {
15996 let chunk = &text[prev_index..index];
15997 prev_index = index;
15998 Some(chunk)
15999 } else {
16000 None
16001 }
16002 })
16003}
16004
16005pub trait RangeToAnchorExt: Sized {
16006 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
16007
16008 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
16009 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
16010 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
16011 }
16012}
16013
16014impl<T: ToOffset> RangeToAnchorExt for Range<T> {
16015 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
16016 let start_offset = self.start.to_offset(snapshot);
16017 let end_offset = self.end.to_offset(snapshot);
16018 if start_offset == end_offset {
16019 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
16020 } else {
16021 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
16022 }
16023 }
16024}
16025
16026pub trait RowExt {
16027 fn as_f32(&self) -> f32;
16028
16029 fn next_row(&self) -> Self;
16030
16031 fn previous_row(&self) -> Self;
16032
16033 fn minus(&self, other: Self) -> u32;
16034}
16035
16036impl RowExt for DisplayRow {
16037 fn as_f32(&self) -> f32 {
16038 self.0 as f32
16039 }
16040
16041 fn next_row(&self) -> Self {
16042 Self(self.0 + 1)
16043 }
16044
16045 fn previous_row(&self) -> Self {
16046 Self(self.0.saturating_sub(1))
16047 }
16048
16049 fn minus(&self, other: Self) -> u32 {
16050 self.0 - other.0
16051 }
16052}
16053
16054impl RowExt for MultiBufferRow {
16055 fn as_f32(&self) -> f32 {
16056 self.0 as f32
16057 }
16058
16059 fn next_row(&self) -> Self {
16060 Self(self.0 + 1)
16061 }
16062
16063 fn previous_row(&self) -> Self {
16064 Self(self.0.saturating_sub(1))
16065 }
16066
16067 fn minus(&self, other: Self) -> u32 {
16068 self.0 - other.0
16069 }
16070}
16071
16072trait RowRangeExt {
16073 type Row;
16074
16075 fn len(&self) -> usize;
16076
16077 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
16078}
16079
16080impl RowRangeExt for Range<MultiBufferRow> {
16081 type Row = MultiBufferRow;
16082
16083 fn len(&self) -> usize {
16084 (self.end.0 - self.start.0) as usize
16085 }
16086
16087 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
16088 (self.start.0..self.end.0).map(MultiBufferRow)
16089 }
16090}
16091
16092impl RowRangeExt for Range<DisplayRow> {
16093 type Row = DisplayRow;
16094
16095 fn len(&self) -> usize {
16096 (self.end.0 - self.start.0) as usize
16097 }
16098
16099 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
16100 (self.start.0..self.end.0).map(DisplayRow)
16101 }
16102}
16103
16104/// If select range has more than one line, we
16105/// just point the cursor to range.start.
16106fn collapse_multiline_range(range: Range<Point>) -> Range<Point> {
16107 if range.start.row == range.end.row {
16108 range
16109 } else {
16110 range.start..range.start
16111 }
16112}
16113pub struct KillRing(ClipboardItem);
16114impl Global for KillRing {}
16115
16116const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);
16117
16118fn all_edits_insertions_or_deletions(
16119 edits: &Vec<(Range<Anchor>, String)>,
16120 snapshot: &MultiBufferSnapshot,
16121) -> bool {
16122 let mut all_insertions = true;
16123 let mut all_deletions = true;
16124
16125 for (range, new_text) in edits.iter() {
16126 let range_is_empty = range.to_offset(&snapshot).is_empty();
16127 let text_is_empty = new_text.is_empty();
16128
16129 if range_is_empty != text_is_empty {
16130 if range_is_empty {
16131 all_deletions = false;
16132 } else {
16133 all_insertions = false;
16134 }
16135 } else {
16136 return false;
16137 }
16138
16139 if !all_insertions && !all_deletions {
16140 return false;
16141 }
16142 }
16143 all_insertions || all_deletions
16144}