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 hunk_diff;
29mod indent_guides;
30mod inlay_hint_cache;
31pub mod items;
32mod linked_editing_ranges;
33mod lsp_ext;
34mod mouse_context_menu;
35pub mod movement;
36mod persistence;
37mod proposed_changes_editor;
38mod rust_analyzer_ext;
39pub mod scroll;
40mod selections_collection;
41pub mod tasks;
42
43#[cfg(test)]
44mod editor_tests;
45#[cfg(test)]
46mod inline_completion_tests;
47mod signature_help;
48#[cfg(any(test, feature = "test-support"))]
49pub mod test;
50
51use ::git::diff::DiffHunkStatus;
52pub(crate) use actions::*;
53pub use actions::{OpenExcerpts, OpenExcerptsSplit};
54use aho_corasick::AhoCorasick;
55use anyhow::{anyhow, Context as _, Result};
56use blink_manager::BlinkManager;
57use client::{Collaborator, ParticipantIndex};
58use clock::ReplicaId;
59use collections::{BTreeMap, Bound, HashMap, HashSet, VecDeque};
60use convert_case::{Case, Casing};
61use display_map::*;
62pub use display_map::{DisplayPoint, FoldPlaceholder};
63pub use editor_settings::{
64 CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,
65};
66pub use editor_settings_controls::*;
67use element::LineWithInvisibles;
68pub use element::{
69 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
70};
71use futures::{future, FutureExt};
72use fuzzy::StringMatchCandidate;
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, AppContext,
81 AsyncWindowContext, AvailableSpace, Bounds, ClipboardEntry, ClipboardItem, Context,
82 DispatchPhase, ElementId, EventEmitter, FocusHandle, FocusOutEvent, FocusableView, FontId,
83 FontWeight, Global, HighlightStyle, Hsla, InteractiveText, KeyContext, Model, ModelContext,
84 MouseButton, PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled, StyledText,
85 Subscription, Task, TextStyle, TextStyleRefinement, UTF16Selection, UnderlineStyle,
86 UniformListScrollHandle, View, ViewContext, ViewInputHandler, VisualContext, WeakFocusHandle,
87 WeakView, WindowContext,
88};
89use highlight_matching_bracket::refresh_matching_bracket_highlights;
90use hover_popover::{hide_hover, HoverState};
91pub(crate) use hunk_diff::HoveredHunk;
92use hunk_diff::{diff_hunk_to_display, DiffMap, DiffMapSnapshot};
93use indent_guides::ActiveIndentGuidesState;
94use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
95pub use inline_completion::Direction;
96use inline_completion::{InlineCompletionProvider, InlineCompletionProviderHandle};
97pub use items::MAX_TAB_TITLE_LEN;
98use itertools::Itertools;
99use language::{
100 language_settings::{self, all_language_settings, language_settings, InlayHintSettings},
101 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
102 CursorShape, Diagnostic, Documentation, IndentKind, IndentSize, Language, OffsetRangeExt,
103 Point, Selection, SelectionGoal, TransactionId,
104};
105use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};
106use linked_editing_ranges::refresh_linked_ranges;
107use mouse_context_menu::MouseContextMenu;
108pub use proposed_changes_editor::{
109 ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,
110};
111use similar::{ChangeTag, TextDiff};
112use std::iter::Peekable;
113use task::{ResolvedTask, TaskTemplate, TaskVariables};
114
115use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};
116pub use lsp::CompletionContext;
117use lsp::{
118 CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,
119 LanguageServerId, LanguageServerName,
120};
121
122use movement::TextLayoutDetails;
123pub use multi_buffer::{
124 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
125 ToPoint,
126};
127use multi_buffer::{
128 ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16,
129};
130use project::{
131 buffer_store::BufferChangeSet,
132 lsp_store::{FormatTarget, FormatTrigger, OpenLspBufferHandle},
133 project_settings::{GitGutterSetting, ProjectSettings},
134 CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,
135 LspStore, Project, ProjectItem, ProjectTransaction, TaskSourceKind,
136};
137use rand::prelude::*;
138use rpc::{proto::*, ErrorExt};
139use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
140use selections_collection::{
141 resolve_selections, MutableSelectionsCollection, SelectionsCollection,
142};
143use serde::{Deserialize, Serialize};
144use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};
145use smallvec::SmallVec;
146use snippet::Snippet;
147use std::{
148 any::TypeId,
149 borrow::Cow,
150 cell::RefCell,
151 cmp::{self, Ordering, Reverse},
152 mem,
153 num::NonZeroU32,
154 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
155 path::{Path, PathBuf},
156 rc::Rc,
157 sync::Arc,
158 time::{Duration, Instant},
159};
160pub use sum_tree::Bias;
161use sum_tree::TreeMap;
162use text::{BufferId, OffsetUtf16, Rope};
163use theme::{
164 observe_buffer_font_size_adjustment, ActiveTheme, PlayerColor, StatusColors, SyntaxTheme,
165 ThemeColors, ThemeSettings,
166};
167use ui::{
168 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
169 PopoverMenuHandle, Tooltip,
170};
171use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};
172use workspace::item::{ItemHandle, PreviewTabsSettings};
173use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};
174use workspace::{
175 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
176};
177use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
178
179use crate::hover_links::{find_url, find_url_from_range};
180use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState};
181
182pub const FILE_HEADER_HEIGHT: u32 = 2;
183pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;
184pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;
185pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
186const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
187const MAX_LINE_LEN: usize = 1024;
188const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
189const MAX_SELECTION_HISTORY_LEN: usize = 1024;
190pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
191#[doc(hidden)]
192pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
193
194pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
195pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1);
196
197pub fn render_parsed_markdown(
198 element_id: impl Into<ElementId>,
199 parsed: &language::ParsedMarkdown,
200 editor_style: &EditorStyle,
201 workspace: Option<WeakView<Workspace>>,
202 cx: &mut WindowContext,
203) -> InteractiveText {
204 let code_span_background_color = cx
205 .theme()
206 .colors()
207 .editor_document_highlight_read_background;
208
209 let highlights = gpui::combine_highlights(
210 parsed.highlights.iter().filter_map(|(range, highlight)| {
211 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
212 Some((range.clone(), highlight))
213 }),
214 parsed
215 .regions
216 .iter()
217 .zip(&parsed.region_ranges)
218 .filter_map(|(region, range)| {
219 if region.code {
220 Some((
221 range.clone(),
222 HighlightStyle {
223 background_color: Some(code_span_background_color),
224 ..Default::default()
225 },
226 ))
227 } else {
228 None
229 }
230 }),
231 );
232
233 let mut links = Vec::new();
234 let mut link_ranges = Vec::new();
235 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
236 if let Some(link) = region.link.clone() {
237 links.push(link);
238 link_ranges.push(range.clone());
239 }
240 }
241
242 InteractiveText::new(
243 element_id,
244 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
245 )
246 .on_click(link_ranges, move |clicked_range_ix, cx| {
247 match &links[clicked_range_ix] {
248 markdown::Link::Web { url } => cx.open_url(url),
249 markdown::Link::Path { path } => {
250 if let Some(workspace) = &workspace {
251 _ = workspace.update(cx, |workspace, cx| {
252 workspace.open_abs_path(path.clone(), false, cx).detach();
253 });
254 }
255 }
256 }
257 })
258}
259
260#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
261pub(crate) enum InlayId {
262 InlineCompletion(usize),
263 Hint(usize),
264}
265
266impl InlayId {
267 fn id(&self) -> usize {
268 match self {
269 Self::InlineCompletion(id) => *id,
270 Self::Hint(id) => *id,
271 }
272 }
273}
274
275enum DiffRowHighlight {}
276enum DocumentHighlightRead {}
277enum DocumentHighlightWrite {}
278enum InputComposition {}
279
280#[derive(Debug, Copy, Clone, PartialEq, Eq)]
281pub enum Navigated {
282 Yes,
283 No,
284}
285
286impl Navigated {
287 pub fn from_bool(yes: bool) -> Navigated {
288 if yes {
289 Navigated::Yes
290 } else {
291 Navigated::No
292 }
293 }
294}
295
296pub fn init_settings(cx: &mut AppContext) {
297 EditorSettings::register(cx);
298}
299
300pub fn init(cx: &mut AppContext) {
301 init_settings(cx);
302
303 workspace::register_project_item::<Editor>(cx);
304 workspace::FollowableViewRegistry::register::<Editor>(cx);
305 workspace::register_serializable_item::<Editor>(cx);
306
307 cx.observe_new_views(
308 |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {
309 workspace.register_action(Editor::new_file);
310 workspace.register_action(Editor::new_file_vertical);
311 workspace.register_action(Editor::new_file_horizontal);
312 },
313 )
314 .detach();
315
316 cx.on_action(move |_: &workspace::NewFile, cx| {
317 let app_state = workspace::AppState::global(cx);
318 if let Some(app_state) = app_state.upgrade() {
319 workspace::open_new(Default::default(), app_state, cx, |workspace, cx| {
320 Editor::new_file(workspace, &Default::default(), cx)
321 })
322 .detach();
323 }
324 });
325 cx.on_action(move |_: &workspace::NewWindow, cx| {
326 let app_state = workspace::AppState::global(cx);
327 if let Some(app_state) = app_state.upgrade() {
328 workspace::open_new(Default::default(), app_state, cx, |workspace, cx| {
329 Editor::new_file(workspace, &Default::default(), cx)
330 })
331 .detach();
332 }
333 });
334 git::project_diff::init(cx);
335}
336
337pub struct SearchWithinRange;
338
339trait InvalidationRegion {
340 fn ranges(&self) -> &[Range<Anchor>];
341}
342
343#[derive(Clone, Debug, PartialEq)]
344pub enum SelectPhase {
345 Begin {
346 position: DisplayPoint,
347 add: bool,
348 click_count: usize,
349 },
350 BeginColumnar {
351 position: DisplayPoint,
352 reset: bool,
353 goal_column: u32,
354 },
355 Extend {
356 position: DisplayPoint,
357 click_count: usize,
358 },
359 Update {
360 position: DisplayPoint,
361 goal_column: u32,
362 scroll_delta: gpui::Point<f32>,
363 },
364 End,
365}
366
367#[derive(Clone, Debug)]
368pub enum SelectMode {
369 Character,
370 Word(Range<Anchor>),
371 Line(Range<Anchor>),
372 All,
373}
374
375#[derive(Copy, Clone, PartialEq, Eq, Debug)]
376pub enum EditorMode {
377 SingleLine { auto_width: bool },
378 AutoHeight { max_lines: usize },
379 Full,
380}
381
382#[derive(Copy, Clone, Debug)]
383pub enum SoftWrap {
384 /// Prefer not to wrap at all.
385 ///
386 /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.
387 /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.
388 GitDiff,
389 /// Prefer a single line generally, unless an overly long line is encountered.
390 None,
391 /// Soft wrap lines that exceed the editor width.
392 EditorWidth,
393 /// Soft wrap lines at the preferred line length.
394 Column(u32),
395 /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
396 Bounded(u32),
397}
398
399#[derive(Clone)]
400pub struct EditorStyle {
401 pub background: Hsla,
402 pub local_player: PlayerColor,
403 pub text: TextStyle,
404 pub scrollbar_width: Pixels,
405 pub syntax: Arc<SyntaxTheme>,
406 pub status: StatusColors,
407 pub inlay_hints_style: HighlightStyle,
408 pub inline_completion_styles: InlineCompletionStyles,
409 pub unnecessary_code_fade: f32,
410}
411
412impl Default for EditorStyle {
413 fn default() -> Self {
414 Self {
415 background: Hsla::default(),
416 local_player: PlayerColor::default(),
417 text: TextStyle::default(),
418 scrollbar_width: Pixels::default(),
419 syntax: Default::default(),
420 // HACK: Status colors don't have a real default.
421 // We should look into removing the status colors from the editor
422 // style and retrieve them directly from the theme.
423 status: StatusColors::dark(),
424 inlay_hints_style: HighlightStyle::default(),
425 inline_completion_styles: InlineCompletionStyles {
426 insertion: HighlightStyle::default(),
427 whitespace: HighlightStyle::default(),
428 },
429 unnecessary_code_fade: Default::default(),
430 }
431 }
432}
433
434pub fn make_inlay_hints_style(cx: &WindowContext) -> HighlightStyle {
435 let show_background = language_settings::language_settings(None, None, cx)
436 .inlay_hints
437 .show_background;
438
439 HighlightStyle {
440 color: Some(cx.theme().status().hint),
441 background_color: show_background.then(|| cx.theme().status().hint_background),
442 ..HighlightStyle::default()
443 }
444}
445
446pub fn make_suggestion_styles(cx: &WindowContext) -> InlineCompletionStyles {
447 InlineCompletionStyles {
448 insertion: HighlightStyle {
449 color: Some(cx.theme().status().predictive),
450 ..HighlightStyle::default()
451 },
452 whitespace: HighlightStyle {
453 background_color: Some(cx.theme().status().created_background),
454 ..HighlightStyle::default()
455 },
456 }
457}
458
459type CompletionId = usize;
460
461#[derive(Debug, Clone)]
462struct InlineCompletionMenuHint {
463 provider_name: &'static str,
464 text: InlineCompletionText,
465}
466
467#[derive(Clone, Debug)]
468enum InlineCompletionText {
469 Move(SharedString),
470 Edit {
471 text: SharedString,
472 highlights: Vec<(Range<usize>, HighlightStyle)>,
473 },
474}
475
476enum InlineCompletion {
477 Edit(Vec<(Range<Anchor>, String)>),
478 Move(Anchor),
479}
480
481struct InlineCompletionState {
482 inlay_ids: Vec<InlayId>,
483 completion: InlineCompletion,
484 invalidation_range: Range<Anchor>,
485}
486
487enum InlineCompletionHighlight {}
488
489#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
490struct EditorActionId(usize);
491
492impl EditorActionId {
493 pub fn post_inc(&mut self) -> Self {
494 let answer = self.0;
495
496 *self = Self(answer + 1);
497
498 Self(answer)
499 }
500}
501
502// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
503// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
504
505type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
506type GutterHighlight = (fn(&AppContext) -> Hsla, Arc<[Range<Anchor>]>);
507
508#[derive(Default)]
509struct ScrollbarMarkerState {
510 scrollbar_size: Size<Pixels>,
511 dirty: bool,
512 markers: Arc<[PaintQuad]>,
513 pending_refresh: Option<Task<Result<()>>>,
514}
515
516impl ScrollbarMarkerState {
517 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
518 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
519 }
520}
521
522#[derive(Clone, Debug)]
523struct RunnableTasks {
524 templates: Vec<(TaskSourceKind, TaskTemplate)>,
525 offset: MultiBufferOffset,
526 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
527 column: u32,
528 // Values of all named captures, including those starting with '_'
529 extra_variables: HashMap<String, String>,
530 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
531 context_range: Range<BufferOffset>,
532}
533
534impl RunnableTasks {
535 fn resolve<'a>(
536 &'a self,
537 cx: &'a task::TaskContext,
538 ) -> impl Iterator<Item = (TaskSourceKind, ResolvedTask)> + 'a {
539 self.templates.iter().filter_map(|(kind, template)| {
540 template
541 .resolve_task(&kind.to_id_base(), cx)
542 .map(|task| (kind.clone(), task))
543 })
544 }
545}
546
547#[derive(Clone)]
548struct ResolvedTasks {
549 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
550 position: Anchor,
551}
552#[derive(Copy, Clone, Debug)]
553struct MultiBufferOffset(usize);
554#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
555struct BufferOffset(usize);
556
557// Addons allow storing per-editor state in other crates (e.g. Vim)
558pub trait Addon: 'static {
559 fn extend_key_context(&self, _: &mut KeyContext, _: &AppContext) {}
560
561 fn to_any(&self) -> &dyn std::any::Any;
562}
563
564#[derive(Debug, Copy, Clone, PartialEq, Eq)]
565pub enum IsVimMode {
566 Yes,
567 No,
568}
569
570/// Zed's primary text input `View`, allowing users to edit a [`MultiBuffer`]
571///
572/// See the [module level documentation](self) for more information.
573pub struct Editor {
574 focus_handle: FocusHandle,
575 last_focused_descendant: Option<WeakFocusHandle>,
576 /// The text buffer being edited
577 buffer: Model<MultiBuffer>,
578 /// Map of how text in the buffer should be displayed.
579 /// Handles soft wraps, folds, fake inlay text insertions, etc.
580 pub display_map: Model<DisplayMap>,
581 pub selections: SelectionsCollection,
582 pub scroll_manager: ScrollManager,
583 /// When inline assist editors are linked, they all render cursors because
584 /// typing enters text into each of them, even the ones that aren't focused.
585 pub(crate) show_cursor_when_unfocused: bool,
586 columnar_selection_tail: Option<Anchor>,
587 add_selections_state: Option<AddSelectionsState>,
588 select_next_state: Option<SelectNextState>,
589 select_prev_state: Option<SelectNextState>,
590 selection_history: SelectionHistory,
591 autoclose_regions: Vec<AutocloseRegion>,
592 snippet_stack: InvalidationStack<SnippetState>,
593 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
594 ime_transaction: Option<TransactionId>,
595 active_diagnostics: Option<ActiveDiagnosticGroup>,
596 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
597
598 project: Option<Model<Project>>,
599 semantics_provider: Option<Rc<dyn SemanticsProvider>>,
600 completion_provider: Option<Box<dyn CompletionProvider>>,
601 collaboration_hub: Option<Box<dyn CollaborationHub>>,
602 blink_manager: Model<BlinkManager>,
603 show_cursor_names: bool,
604 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
605 pub show_local_selections: bool,
606 mode: EditorMode,
607 show_breadcrumbs: bool,
608 show_gutter: bool,
609 show_scrollbars: bool,
610 show_line_numbers: Option<bool>,
611 use_relative_line_numbers: Option<bool>,
612 show_git_diff_gutter: Option<bool>,
613 show_code_actions: Option<bool>,
614 show_runnables: Option<bool>,
615 show_wrap_guides: Option<bool>,
616 show_indent_guides: Option<bool>,
617 placeholder_text: Option<Arc<str>>,
618 highlight_order: usize,
619 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
620 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
621 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
622 scrollbar_marker_state: ScrollbarMarkerState,
623 active_indent_guides_state: ActiveIndentGuidesState,
624 nav_history: Option<ItemNavHistory>,
625 context_menu: RefCell<Option<CodeContextMenu>>,
626 mouse_context_menu: Option<MouseContextMenu>,
627 hunk_controls_menu_handle: PopoverMenuHandle<ui::ContextMenu>,
628 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
629 signature_help_state: SignatureHelpState,
630 auto_signature_help: Option<bool>,
631 find_all_references_task_sources: Vec<Anchor>,
632 next_completion_id: CompletionId,
633 available_code_actions: Option<(Location, Rc<[AvailableCodeAction]>)>,
634 code_actions_task: Option<Task<Result<()>>>,
635 document_highlights_task: Option<Task<()>>,
636 linked_editing_range_task: Option<Task<Option<()>>>,
637 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
638 pending_rename: Option<RenameState>,
639 searchable: bool,
640 cursor_shape: CursorShape,
641 current_line_highlight: Option<CurrentLineHighlight>,
642 collapse_matches: bool,
643 autoindent_mode: Option<AutoindentMode>,
644 workspace: Option<(WeakView<Workspace>, Option<WorkspaceId>)>,
645 input_enabled: bool,
646 use_modal_editing: bool,
647 read_only: bool,
648 leader_peer_id: Option<PeerId>,
649 remote_id: Option<ViewId>,
650 hover_state: HoverState,
651 gutter_hovered: bool,
652 hovered_link_state: Option<HoveredLinkState>,
653 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
654 code_action_providers: Vec<Rc<dyn CodeActionProvider>>,
655 active_inline_completion: Option<InlineCompletionState>,
656 // enable_inline_completions is a switch that Vim can use to disable
657 // inline completions based on its mode.
658 enable_inline_completions: bool,
659 show_inline_completions_override: Option<bool>,
660 inlay_hint_cache: InlayHintCache,
661 diff_map: DiffMap,
662 next_inlay_id: usize,
663 _subscriptions: Vec<Subscription>,
664 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
665 gutter_dimensions: GutterDimensions,
666 style: Option<EditorStyle>,
667 text_style_refinement: Option<TextStyleRefinement>,
668 next_editor_action_id: EditorActionId,
669 editor_actions: Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut ViewContext<Self>)>>>>,
670 use_autoclose: bool,
671 use_auto_surround: bool,
672 auto_replace_emoji_shortcode: bool,
673 show_git_blame_gutter: bool,
674 show_git_blame_inline: bool,
675 show_git_blame_inline_delay_task: Option<Task<()>>,
676 git_blame_inline_enabled: bool,
677 serialize_dirty_buffers: bool,
678 show_selection_menu: Option<bool>,
679 blame: Option<Model<GitBlame>>,
680 blame_subscription: Option<Subscription>,
681 custom_context_menu: Option<
682 Box<
683 dyn 'static
684 + Fn(&mut Self, DisplayPoint, &mut ViewContext<Self>) -> Option<View<ui::ContextMenu>>,
685 >,
686 >,
687 last_bounds: Option<Bounds<Pixels>>,
688 expect_bounds_change: Option<Bounds<Pixels>>,
689 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
690 tasks_update_task: Option<Task<()>>,
691 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
692 breadcrumb_header: Option<String>,
693 focused_block: Option<FocusedBlock>,
694 next_scroll_position: NextScrollCursorCenterTopBottom,
695 addons: HashMap<TypeId, Box<dyn Addon>>,
696 registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
697 toggle_fold_multiple_buffers: Task<()>,
698 _scroll_cursor_center_top_bottom_task: Task<()>,
699}
700
701#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
702enum NextScrollCursorCenterTopBottom {
703 #[default]
704 Center,
705 Top,
706 Bottom,
707}
708
709impl NextScrollCursorCenterTopBottom {
710 fn next(&self) -> Self {
711 match self {
712 Self::Center => Self::Top,
713 Self::Top => Self::Bottom,
714 Self::Bottom => Self::Center,
715 }
716 }
717}
718
719#[derive(Clone)]
720pub struct EditorSnapshot {
721 pub mode: EditorMode,
722 show_gutter: bool,
723 show_line_numbers: Option<bool>,
724 show_git_diff_gutter: Option<bool>,
725 show_code_actions: Option<bool>,
726 show_runnables: Option<bool>,
727 git_blame_gutter_max_author_length: Option<usize>,
728 pub display_snapshot: DisplaySnapshot,
729 pub placeholder_text: Option<Arc<str>>,
730 diff_map: DiffMapSnapshot,
731 is_focused: bool,
732 scroll_anchor: ScrollAnchor,
733 ongoing_scroll: OngoingScroll,
734 current_line_highlight: CurrentLineHighlight,
735 gutter_hovered: bool,
736}
737
738const GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED: usize = 20;
739
740#[derive(Default, Debug, Clone, Copy)]
741pub struct GutterDimensions {
742 pub left_padding: Pixels,
743 pub right_padding: Pixels,
744 pub width: Pixels,
745 pub margin: Pixels,
746 pub git_blame_entries_width: Option<Pixels>,
747}
748
749impl GutterDimensions {
750 /// The full width of the space taken up by the gutter.
751 pub fn full_width(&self) -> Pixels {
752 self.margin + self.width
753 }
754
755 /// The width of the space reserved for the fold indicators,
756 /// use alongside 'justify_end' and `gutter_width` to
757 /// right align content with the line numbers
758 pub fn fold_area_width(&self) -> Pixels {
759 self.margin + self.right_padding
760 }
761}
762
763#[derive(Debug)]
764pub struct RemoteSelection {
765 pub replica_id: ReplicaId,
766 pub selection: Selection<Anchor>,
767 pub cursor_shape: CursorShape,
768 pub peer_id: PeerId,
769 pub line_mode: bool,
770 pub participant_index: Option<ParticipantIndex>,
771 pub user_name: Option<SharedString>,
772}
773
774#[derive(Clone, Debug)]
775struct SelectionHistoryEntry {
776 selections: Arc<[Selection<Anchor>]>,
777 select_next_state: Option<SelectNextState>,
778 select_prev_state: Option<SelectNextState>,
779 add_selections_state: Option<AddSelectionsState>,
780}
781
782enum SelectionHistoryMode {
783 Normal,
784 Undoing,
785 Redoing,
786}
787
788#[derive(Clone, PartialEq, Eq, Hash)]
789struct HoveredCursor {
790 replica_id: u16,
791 selection_id: usize,
792}
793
794impl Default for SelectionHistoryMode {
795 fn default() -> Self {
796 Self::Normal
797 }
798}
799
800#[derive(Default)]
801struct SelectionHistory {
802 #[allow(clippy::type_complexity)]
803 selections_by_transaction:
804 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
805 mode: SelectionHistoryMode,
806 undo_stack: VecDeque<SelectionHistoryEntry>,
807 redo_stack: VecDeque<SelectionHistoryEntry>,
808}
809
810impl SelectionHistory {
811 fn insert_transaction(
812 &mut self,
813 transaction_id: TransactionId,
814 selections: Arc<[Selection<Anchor>]>,
815 ) {
816 self.selections_by_transaction
817 .insert(transaction_id, (selections, None));
818 }
819
820 #[allow(clippy::type_complexity)]
821 fn transaction(
822 &self,
823 transaction_id: TransactionId,
824 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
825 self.selections_by_transaction.get(&transaction_id)
826 }
827
828 #[allow(clippy::type_complexity)]
829 fn transaction_mut(
830 &mut self,
831 transaction_id: TransactionId,
832 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
833 self.selections_by_transaction.get_mut(&transaction_id)
834 }
835
836 fn push(&mut self, entry: SelectionHistoryEntry) {
837 if !entry.selections.is_empty() {
838 match self.mode {
839 SelectionHistoryMode::Normal => {
840 self.push_undo(entry);
841 self.redo_stack.clear();
842 }
843 SelectionHistoryMode::Undoing => self.push_redo(entry),
844 SelectionHistoryMode::Redoing => self.push_undo(entry),
845 }
846 }
847 }
848
849 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
850 if self
851 .undo_stack
852 .back()
853 .map_or(true, |e| e.selections != entry.selections)
854 {
855 self.undo_stack.push_back(entry);
856 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
857 self.undo_stack.pop_front();
858 }
859 }
860 }
861
862 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
863 if self
864 .redo_stack
865 .back()
866 .map_or(true, |e| e.selections != entry.selections)
867 {
868 self.redo_stack.push_back(entry);
869 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
870 self.redo_stack.pop_front();
871 }
872 }
873 }
874}
875
876struct RowHighlight {
877 index: usize,
878 range: Range<Anchor>,
879 color: Hsla,
880 should_autoscroll: bool,
881}
882
883#[derive(Clone, Debug)]
884struct AddSelectionsState {
885 above: bool,
886 stack: Vec<usize>,
887}
888
889#[derive(Clone)]
890struct SelectNextState {
891 query: AhoCorasick,
892 wordwise: bool,
893 done: bool,
894}
895
896impl std::fmt::Debug for SelectNextState {
897 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
898 f.debug_struct(std::any::type_name::<Self>())
899 .field("wordwise", &self.wordwise)
900 .field("done", &self.done)
901 .finish()
902 }
903}
904
905#[derive(Debug)]
906struct AutocloseRegion {
907 selection_id: usize,
908 range: Range<Anchor>,
909 pair: BracketPair,
910}
911
912#[derive(Debug)]
913struct SnippetState {
914 ranges: Vec<Vec<Range<Anchor>>>,
915 active_index: usize,
916 choices: Vec<Option<Vec<String>>>,
917}
918
919#[doc(hidden)]
920pub struct RenameState {
921 pub range: Range<Anchor>,
922 pub old_name: Arc<str>,
923 pub editor: View<Editor>,
924 block_id: CustomBlockId,
925}
926
927struct InvalidationStack<T>(Vec<T>);
928
929struct RegisteredInlineCompletionProvider {
930 provider: Arc<dyn InlineCompletionProviderHandle>,
931 _subscription: Subscription,
932}
933
934#[derive(Debug)]
935struct ActiveDiagnosticGroup {
936 primary_range: Range<Anchor>,
937 primary_message: String,
938 group_id: usize,
939 blocks: HashMap<CustomBlockId, Diagnostic>,
940 is_valid: bool,
941}
942
943#[derive(Serialize, Deserialize, Clone, Debug)]
944pub struct ClipboardSelection {
945 pub len: usize,
946 pub is_entire_line: bool,
947 pub first_line_indent: u32,
948}
949
950#[derive(Debug)]
951pub(crate) struct NavigationData {
952 cursor_anchor: Anchor,
953 cursor_position: Point,
954 scroll_anchor: ScrollAnchor,
955 scroll_top_row: u32,
956}
957
958#[derive(Debug, Clone, Copy, PartialEq, Eq)]
959pub enum GotoDefinitionKind {
960 Symbol,
961 Declaration,
962 Type,
963 Implementation,
964}
965
966#[derive(Debug, Clone)]
967enum InlayHintRefreshReason {
968 Toggle(bool),
969 SettingsChange(InlayHintSettings),
970 NewLinesShown,
971 BufferEdited(HashSet<Arc<Language>>),
972 RefreshRequested,
973 ExcerptsRemoved(Vec<ExcerptId>),
974}
975
976impl InlayHintRefreshReason {
977 fn description(&self) -> &'static str {
978 match self {
979 Self::Toggle(_) => "toggle",
980 Self::SettingsChange(_) => "settings change",
981 Self::NewLinesShown => "new lines shown",
982 Self::BufferEdited(_) => "buffer edited",
983 Self::RefreshRequested => "refresh requested",
984 Self::ExcerptsRemoved(_) => "excerpts removed",
985 }
986 }
987}
988
989pub(crate) struct FocusedBlock {
990 id: BlockId,
991 focus_handle: WeakFocusHandle,
992}
993
994#[derive(Clone)]
995enum JumpData {
996 MultiBufferRow {
997 row: MultiBufferRow,
998 line_offset_from_top: u32,
999 },
1000 MultiBufferPoint {
1001 excerpt_id: ExcerptId,
1002 position: Point,
1003 anchor: text::Anchor,
1004 line_offset_from_top: u32,
1005 },
1006}
1007
1008impl Editor {
1009 pub fn single_line(cx: &mut ViewContext<Self>) -> Self {
1010 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1011 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1012 Self::new(
1013 EditorMode::SingleLine { auto_width: false },
1014 buffer,
1015 None,
1016 false,
1017 cx,
1018 )
1019 }
1020
1021 pub fn multi_line(cx: &mut ViewContext<Self>) -> Self {
1022 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1023 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1024 Self::new(EditorMode::Full, buffer, None, false, cx)
1025 }
1026
1027 pub fn auto_width(cx: &mut ViewContext<Self>) -> Self {
1028 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1029 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1030 Self::new(
1031 EditorMode::SingleLine { auto_width: true },
1032 buffer,
1033 None,
1034 false,
1035 cx,
1036 )
1037 }
1038
1039 pub fn auto_height(max_lines: usize, cx: &mut ViewContext<Self>) -> Self {
1040 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1041 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1042 Self::new(
1043 EditorMode::AutoHeight { max_lines },
1044 buffer,
1045 None,
1046 false,
1047 cx,
1048 )
1049 }
1050
1051 pub fn for_buffer(
1052 buffer: Model<Buffer>,
1053 project: Option<Model<Project>>,
1054 cx: &mut ViewContext<Self>,
1055 ) -> Self {
1056 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1057 Self::new(EditorMode::Full, buffer, project, false, cx)
1058 }
1059
1060 pub fn for_multibuffer(
1061 buffer: Model<MultiBuffer>,
1062 project: Option<Model<Project>>,
1063 show_excerpt_controls: bool,
1064 cx: &mut ViewContext<Self>,
1065 ) -> Self {
1066 Self::new(EditorMode::Full, buffer, project, show_excerpt_controls, cx)
1067 }
1068
1069 pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
1070 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1071 let mut clone = Self::new(
1072 self.mode,
1073 self.buffer.clone(),
1074 self.project.clone(),
1075 show_excerpt_controls,
1076 cx,
1077 );
1078 self.display_map.update(cx, |display_map, cx| {
1079 let snapshot = display_map.snapshot(cx);
1080 clone.display_map.update(cx, |display_map, cx| {
1081 display_map.set_state(&snapshot, cx);
1082 });
1083 });
1084 clone.selections.clone_state(&self.selections);
1085 clone.scroll_manager.clone_state(&self.scroll_manager);
1086 clone.searchable = self.searchable;
1087 clone
1088 }
1089
1090 pub fn new(
1091 mode: EditorMode,
1092 buffer: Model<MultiBuffer>,
1093 project: Option<Model<Project>>,
1094 show_excerpt_controls: bool,
1095 cx: &mut ViewContext<Self>,
1096 ) -> Self {
1097 let style = cx.text_style();
1098 let font_size = style.font_size.to_pixels(cx.rem_size());
1099 let editor = cx.view().downgrade();
1100 let fold_placeholder = FoldPlaceholder {
1101 constrain_width: true,
1102 render: Arc::new(move |fold_id, fold_range, cx| {
1103 let editor = editor.clone();
1104 div()
1105 .id(fold_id)
1106 .bg(cx.theme().colors().ghost_element_background)
1107 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1108 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1109 .rounded_sm()
1110 .size_full()
1111 .cursor_pointer()
1112 .child("⋯")
1113 .on_mouse_down(MouseButton::Left, |_, cx| cx.stop_propagation())
1114 .on_click(move |_, cx| {
1115 editor
1116 .update(cx, |editor, cx| {
1117 editor.unfold_ranges(
1118 &[fold_range.start..fold_range.end],
1119 true,
1120 false,
1121 cx,
1122 );
1123 cx.stop_propagation();
1124 })
1125 .ok();
1126 })
1127 .into_any()
1128 }),
1129 merge_adjacent: true,
1130 ..Default::default()
1131 };
1132 let display_map = cx.new_model(|cx| {
1133 DisplayMap::new(
1134 buffer.clone(),
1135 style.font(),
1136 font_size,
1137 None,
1138 show_excerpt_controls,
1139 FILE_HEADER_HEIGHT,
1140 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1141 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1142 fold_placeholder,
1143 cx,
1144 )
1145 });
1146
1147 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1148
1149 let blink_manager = cx.new_model(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1150
1151 let soft_wrap_mode_override = matches!(mode, EditorMode::SingleLine { .. })
1152 .then(|| language_settings::SoftWrap::None);
1153
1154 let mut project_subscriptions = Vec::new();
1155 if mode == EditorMode::Full {
1156 if let Some(project) = project.as_ref() {
1157 if buffer.read(cx).is_singleton() {
1158 project_subscriptions.push(cx.observe(project, |_, _, cx| {
1159 cx.emit(EditorEvent::TitleChanged);
1160 }));
1161 }
1162 project_subscriptions.push(cx.subscribe(project, |editor, _, event, cx| {
1163 if let project::Event::RefreshInlayHints = event {
1164 editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1165 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1166 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1167 let focus_handle = editor.focus_handle(cx);
1168 if focus_handle.is_focused(cx) {
1169 let snapshot = buffer.read(cx).snapshot();
1170 for (range, snippet) in snippet_edits {
1171 let editor_range =
1172 language::range_from_lsp(*range).to_offset(&snapshot);
1173 editor
1174 .insert_snippet(&[editor_range], snippet.clone(), cx)
1175 .ok();
1176 }
1177 }
1178 }
1179 }
1180 }));
1181 if let Some(task_inventory) = project
1182 .read(cx)
1183 .task_store()
1184 .read(cx)
1185 .task_inventory()
1186 .cloned()
1187 {
1188 project_subscriptions.push(cx.observe(&task_inventory, |editor, _, cx| {
1189 editor.tasks_update_task = Some(editor.refresh_runnables(cx));
1190 }));
1191 }
1192 }
1193 }
1194
1195 let buffer_snapshot = buffer.read(cx).snapshot(cx);
1196
1197 let inlay_hint_settings =
1198 inlay_hint_settings(selections.newest_anchor().head(), &buffer_snapshot, cx);
1199 let focus_handle = cx.focus_handle();
1200 cx.on_focus(&focus_handle, Self::handle_focus).detach();
1201 cx.on_focus_in(&focus_handle, Self::handle_focus_in)
1202 .detach();
1203 cx.on_focus_out(&focus_handle, Self::handle_focus_out)
1204 .detach();
1205 cx.on_blur(&focus_handle, Self::handle_blur).detach();
1206
1207 let show_indent_guides = if matches!(mode, EditorMode::SingleLine { .. }) {
1208 Some(false)
1209 } else {
1210 None
1211 };
1212
1213 let mut code_action_providers = Vec::new();
1214 if let Some(project) = project.clone() {
1215 get_unstaged_changes_for_buffers(&project, buffer.read(cx).all_buffers(), cx);
1216 code_action_providers.push(Rc::new(project) as Rc<_>);
1217 }
1218
1219 let mut this = Self {
1220 focus_handle,
1221 show_cursor_when_unfocused: false,
1222 last_focused_descendant: None,
1223 buffer: buffer.clone(),
1224 display_map: display_map.clone(),
1225 selections,
1226 scroll_manager: ScrollManager::new(cx),
1227 columnar_selection_tail: None,
1228 add_selections_state: None,
1229 select_next_state: None,
1230 select_prev_state: None,
1231 selection_history: Default::default(),
1232 autoclose_regions: Default::default(),
1233 snippet_stack: Default::default(),
1234 select_larger_syntax_node_stack: Vec::new(),
1235 ime_transaction: Default::default(),
1236 active_diagnostics: None,
1237 soft_wrap_mode_override,
1238 completion_provider: project.clone().map(|project| Box::new(project) as _),
1239 semantics_provider: project.clone().map(|project| Rc::new(project) as _),
1240 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1241 project,
1242 blink_manager: blink_manager.clone(),
1243 show_local_selections: true,
1244 show_scrollbars: true,
1245 mode,
1246 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1247 show_gutter: mode == EditorMode::Full,
1248 show_line_numbers: None,
1249 use_relative_line_numbers: None,
1250 show_git_diff_gutter: None,
1251 show_code_actions: None,
1252 show_runnables: None,
1253 show_wrap_guides: None,
1254 show_indent_guides,
1255 placeholder_text: None,
1256 highlight_order: 0,
1257 highlighted_rows: HashMap::default(),
1258 background_highlights: Default::default(),
1259 gutter_highlights: TreeMap::default(),
1260 scrollbar_marker_state: ScrollbarMarkerState::default(),
1261 active_indent_guides_state: ActiveIndentGuidesState::default(),
1262 nav_history: None,
1263 context_menu: RefCell::new(None),
1264 mouse_context_menu: None,
1265 hunk_controls_menu_handle: PopoverMenuHandle::default(),
1266 completion_tasks: Default::default(),
1267 signature_help_state: SignatureHelpState::default(),
1268 auto_signature_help: None,
1269 find_all_references_task_sources: Vec::new(),
1270 next_completion_id: 0,
1271 next_inlay_id: 0,
1272 code_action_providers,
1273 available_code_actions: Default::default(),
1274 code_actions_task: Default::default(),
1275 document_highlights_task: Default::default(),
1276 linked_editing_range_task: Default::default(),
1277 pending_rename: Default::default(),
1278 searchable: true,
1279 cursor_shape: EditorSettings::get_global(cx)
1280 .cursor_shape
1281 .unwrap_or_default(),
1282 current_line_highlight: None,
1283 autoindent_mode: Some(AutoindentMode::EachLine),
1284 collapse_matches: false,
1285 workspace: None,
1286 input_enabled: true,
1287 use_modal_editing: mode == EditorMode::Full,
1288 read_only: false,
1289 use_autoclose: true,
1290 use_auto_surround: true,
1291 auto_replace_emoji_shortcode: false,
1292 leader_peer_id: None,
1293 remote_id: None,
1294 hover_state: Default::default(),
1295 hovered_link_state: Default::default(),
1296 inline_completion_provider: None,
1297 active_inline_completion: None,
1298 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1299 diff_map: DiffMap::default(),
1300 gutter_hovered: false,
1301 pixel_position_of_newest_cursor: None,
1302 last_bounds: None,
1303 expect_bounds_change: None,
1304 gutter_dimensions: GutterDimensions::default(),
1305 style: None,
1306 show_cursor_names: false,
1307 hovered_cursors: Default::default(),
1308 next_editor_action_id: EditorActionId::default(),
1309 editor_actions: Rc::default(),
1310 show_inline_completions_override: None,
1311 enable_inline_completions: true,
1312 custom_context_menu: None,
1313 show_git_blame_gutter: false,
1314 show_git_blame_inline: false,
1315 show_selection_menu: None,
1316 show_git_blame_inline_delay_task: None,
1317 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1318 serialize_dirty_buffers: ProjectSettings::get_global(cx)
1319 .session
1320 .restore_unsaved_buffers,
1321 blame: None,
1322 blame_subscription: None,
1323 tasks: Default::default(),
1324 _subscriptions: vec![
1325 cx.observe(&buffer, Self::on_buffer_changed),
1326 cx.subscribe(&buffer, Self::on_buffer_event),
1327 cx.observe(&display_map, Self::on_display_map_changed),
1328 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1329 cx.observe_global::<SettingsStore>(Self::settings_changed),
1330 observe_buffer_font_size_adjustment(cx, |_, cx| cx.notify()),
1331 cx.observe_window_activation(|editor, cx| {
1332 let active = cx.is_window_active();
1333 editor.blink_manager.update(cx, |blink_manager, cx| {
1334 if active {
1335 blink_manager.enable(cx);
1336 } else {
1337 blink_manager.disable(cx);
1338 }
1339 });
1340 }),
1341 ],
1342 tasks_update_task: None,
1343 linked_edit_ranges: Default::default(),
1344 previous_search_ranges: None,
1345 breadcrumb_header: None,
1346 focused_block: None,
1347 next_scroll_position: NextScrollCursorCenterTopBottom::default(),
1348 addons: HashMap::default(),
1349 registered_buffers: HashMap::default(),
1350 _scroll_cursor_center_top_bottom_task: Task::ready(()),
1351 toggle_fold_multiple_buffers: Task::ready(()),
1352 text_style_refinement: None,
1353 };
1354 this.tasks_update_task = Some(this.refresh_runnables(cx));
1355 this._subscriptions.extend(project_subscriptions);
1356
1357 this.end_selection(cx);
1358 this.scroll_manager.show_scrollbar(cx);
1359
1360 if mode == EditorMode::Full {
1361 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1362 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1363
1364 if this.git_blame_inline_enabled {
1365 this.git_blame_inline_enabled = true;
1366 this.start_git_blame_inline(false, cx);
1367 }
1368
1369 if let Some(buffer) = buffer.read(cx).as_singleton() {
1370 if let Some(project) = this.project.as_ref() {
1371 let lsp_store = project.read(cx).lsp_store();
1372 let handle = lsp_store.update(cx, |lsp_store, cx| {
1373 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1374 });
1375 this.registered_buffers
1376 .insert(buffer.read(cx).remote_id(), handle);
1377 }
1378 }
1379 }
1380
1381 this.report_editor_event("Editor Opened", None, cx);
1382 this
1383 }
1384
1385 pub fn mouse_menu_is_focused(&self, cx: &WindowContext) -> bool {
1386 self.mouse_context_menu
1387 .as_ref()
1388 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(cx))
1389 }
1390
1391 fn key_context(&self, cx: &ViewContext<Self>) -> KeyContext {
1392 let mut key_context = KeyContext::new_with_defaults();
1393 key_context.add("Editor");
1394 let mode = match self.mode {
1395 EditorMode::SingleLine { .. } => "single_line",
1396 EditorMode::AutoHeight { .. } => "auto_height",
1397 EditorMode::Full => "full",
1398 };
1399
1400 if EditorSettings::jupyter_enabled(cx) {
1401 key_context.add("jupyter");
1402 }
1403
1404 key_context.set("mode", mode);
1405 if self.pending_rename.is_some() {
1406 key_context.add("renaming");
1407 }
1408 match self.context_menu.borrow().as_ref() {
1409 Some(CodeContextMenu::Completions(_)) => {
1410 key_context.add("menu");
1411 key_context.add("showing_completions")
1412 }
1413 Some(CodeContextMenu::CodeActions(_)) => {
1414 key_context.add("menu");
1415 key_context.add("showing_code_actions")
1416 }
1417 None => {}
1418 }
1419
1420 // Disable vim contexts when a sub-editor (e.g. rename/inline assistant) is focused.
1421 if !self.focus_handle(cx).contains_focused(cx)
1422 || (self.is_focused(cx) || self.mouse_menu_is_focused(cx))
1423 {
1424 for addon in self.addons.values() {
1425 addon.extend_key_context(&mut key_context, cx)
1426 }
1427 }
1428
1429 if let Some(extension) = self
1430 .buffer
1431 .read(cx)
1432 .as_singleton()
1433 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1434 {
1435 key_context.set("extension", extension.to_string());
1436 }
1437
1438 if self.has_active_inline_completion() {
1439 key_context.add("copilot_suggestion");
1440 key_context.add("inline_completion");
1441 }
1442
1443 if !self
1444 .selections
1445 .disjoint
1446 .iter()
1447 .all(|selection| selection.start == selection.end)
1448 {
1449 key_context.add("selection");
1450 }
1451
1452 key_context
1453 }
1454
1455 pub fn new_file(
1456 workspace: &mut Workspace,
1457 _: &workspace::NewFile,
1458 cx: &mut ViewContext<Workspace>,
1459 ) {
1460 Self::new_in_workspace(workspace, cx).detach_and_prompt_err(
1461 "Failed to create buffer",
1462 cx,
1463 |e, _| match e.error_code() {
1464 ErrorCode::RemoteUpgradeRequired => Some(format!(
1465 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1466 e.error_tag("required").unwrap_or("the latest version")
1467 )),
1468 _ => None,
1469 },
1470 );
1471 }
1472
1473 pub fn new_in_workspace(
1474 workspace: &mut Workspace,
1475 cx: &mut ViewContext<Workspace>,
1476 ) -> Task<Result<View<Editor>>> {
1477 let project = workspace.project().clone();
1478 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1479
1480 cx.spawn(|workspace, mut cx| async move {
1481 let buffer = create.await?;
1482 workspace.update(&mut cx, |workspace, cx| {
1483 let editor =
1484 cx.new_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx));
1485 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, cx);
1486 editor
1487 })
1488 })
1489 }
1490
1491 fn new_file_vertical(
1492 workspace: &mut Workspace,
1493 _: &workspace::NewFileSplitVertical,
1494 cx: &mut ViewContext<Workspace>,
1495 ) {
1496 Self::new_file_in_direction(workspace, SplitDirection::vertical(cx), cx)
1497 }
1498
1499 fn new_file_horizontal(
1500 workspace: &mut Workspace,
1501 _: &workspace::NewFileSplitHorizontal,
1502 cx: &mut ViewContext<Workspace>,
1503 ) {
1504 Self::new_file_in_direction(workspace, SplitDirection::horizontal(cx), cx)
1505 }
1506
1507 fn new_file_in_direction(
1508 workspace: &mut Workspace,
1509 direction: SplitDirection,
1510 cx: &mut ViewContext<Workspace>,
1511 ) {
1512 let project = workspace.project().clone();
1513 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1514
1515 cx.spawn(|workspace, mut cx| async move {
1516 let buffer = create.await?;
1517 workspace.update(&mut cx, move |workspace, cx| {
1518 workspace.split_item(
1519 direction,
1520 Box::new(
1521 cx.new_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx)),
1522 ),
1523 cx,
1524 )
1525 })?;
1526 anyhow::Ok(())
1527 })
1528 .detach_and_prompt_err("Failed to create buffer", cx, |e, _| match e.error_code() {
1529 ErrorCode::RemoteUpgradeRequired => Some(format!(
1530 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1531 e.error_tag("required").unwrap_or("the latest version")
1532 )),
1533 _ => None,
1534 });
1535 }
1536
1537 pub fn leader_peer_id(&self) -> Option<PeerId> {
1538 self.leader_peer_id
1539 }
1540
1541 pub fn buffer(&self) -> &Model<MultiBuffer> {
1542 &self.buffer
1543 }
1544
1545 pub fn workspace(&self) -> Option<View<Workspace>> {
1546 self.workspace.as_ref()?.0.upgrade()
1547 }
1548
1549 pub fn title<'a>(&self, cx: &'a AppContext) -> Cow<'a, str> {
1550 self.buffer().read(cx).title(cx)
1551 }
1552
1553 pub fn snapshot(&mut self, cx: &mut WindowContext) -> EditorSnapshot {
1554 let git_blame_gutter_max_author_length = self
1555 .render_git_blame_gutter(cx)
1556 .then(|| {
1557 if let Some(blame) = self.blame.as_ref() {
1558 let max_author_length =
1559 blame.update(cx, |blame, cx| blame.max_author_length(cx));
1560 Some(max_author_length)
1561 } else {
1562 None
1563 }
1564 })
1565 .flatten();
1566
1567 EditorSnapshot {
1568 mode: self.mode,
1569 show_gutter: self.show_gutter,
1570 show_line_numbers: self.show_line_numbers,
1571 show_git_diff_gutter: self.show_git_diff_gutter,
1572 show_code_actions: self.show_code_actions,
1573 show_runnables: self.show_runnables,
1574 git_blame_gutter_max_author_length,
1575 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
1576 scroll_anchor: self.scroll_manager.anchor(),
1577 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
1578 placeholder_text: self.placeholder_text.clone(),
1579 diff_map: self.diff_map.snapshot(),
1580 is_focused: self.focus_handle.is_focused(cx),
1581 current_line_highlight: self
1582 .current_line_highlight
1583 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
1584 gutter_hovered: self.gutter_hovered,
1585 }
1586 }
1587
1588 pub fn language_at<T: ToOffset>(&self, point: T, cx: &AppContext) -> Option<Arc<Language>> {
1589 self.buffer.read(cx).language_at(point, cx)
1590 }
1591
1592 pub fn file_at<T: ToOffset>(
1593 &self,
1594 point: T,
1595 cx: &AppContext,
1596 ) -> Option<Arc<dyn language::File>> {
1597 self.buffer.read(cx).read(cx).file_at(point).cloned()
1598 }
1599
1600 pub fn active_excerpt(
1601 &self,
1602 cx: &AppContext,
1603 ) -> Option<(ExcerptId, Model<Buffer>, Range<text::Anchor>)> {
1604 self.buffer
1605 .read(cx)
1606 .excerpt_containing(self.selections.newest_anchor().head(), cx)
1607 }
1608
1609 pub fn mode(&self) -> EditorMode {
1610 self.mode
1611 }
1612
1613 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
1614 self.collaboration_hub.as_deref()
1615 }
1616
1617 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
1618 self.collaboration_hub = Some(hub);
1619 }
1620
1621 pub fn set_custom_context_menu(
1622 &mut self,
1623 f: impl 'static
1624 + Fn(&mut Self, DisplayPoint, &mut ViewContext<Self>) -> Option<View<ui::ContextMenu>>,
1625 ) {
1626 self.custom_context_menu = Some(Box::new(f))
1627 }
1628
1629 pub fn set_completion_provider(&mut self, provider: Option<Box<dyn CompletionProvider>>) {
1630 self.completion_provider = provider;
1631 }
1632
1633 pub fn semantics_provider(&self) -> Option<Rc<dyn SemanticsProvider>> {
1634 self.semantics_provider.clone()
1635 }
1636
1637 pub fn set_semantics_provider(&mut self, provider: Option<Rc<dyn SemanticsProvider>>) {
1638 self.semantics_provider = provider;
1639 }
1640
1641 pub fn set_inline_completion_provider<T>(
1642 &mut self,
1643 provider: Option<Model<T>>,
1644 cx: &mut ViewContext<Self>,
1645 ) where
1646 T: InlineCompletionProvider,
1647 {
1648 self.inline_completion_provider =
1649 provider.map(|provider| RegisteredInlineCompletionProvider {
1650 _subscription: cx.observe(&provider, |this, _, cx| {
1651 if this.focus_handle.is_focused(cx) {
1652 this.update_visible_inline_completion(cx);
1653 }
1654 }),
1655 provider: Arc::new(provider),
1656 });
1657 self.refresh_inline_completion(false, false, cx);
1658 }
1659
1660 pub fn placeholder_text(&self, _cx: &WindowContext) -> Option<&str> {
1661 self.placeholder_text.as_deref()
1662 }
1663
1664 pub fn set_placeholder_text(
1665 &mut self,
1666 placeholder_text: impl Into<Arc<str>>,
1667 cx: &mut ViewContext<Self>,
1668 ) {
1669 let placeholder_text = Some(placeholder_text.into());
1670 if self.placeholder_text != placeholder_text {
1671 self.placeholder_text = placeholder_text;
1672 cx.notify();
1673 }
1674 }
1675
1676 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut ViewContext<Self>) {
1677 self.cursor_shape = cursor_shape;
1678
1679 // Disrupt blink for immediate user feedback that the cursor shape has changed
1680 self.blink_manager.update(cx, BlinkManager::show_cursor);
1681
1682 cx.notify();
1683 }
1684
1685 pub fn set_current_line_highlight(
1686 &mut self,
1687 current_line_highlight: Option<CurrentLineHighlight>,
1688 ) {
1689 self.current_line_highlight = current_line_highlight;
1690 }
1691
1692 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
1693 self.collapse_matches = collapse_matches;
1694 }
1695
1696 pub fn register_buffers_with_language_servers(&mut self, cx: &mut ViewContext<Self>) {
1697 let buffers = self.buffer.read(cx).all_buffers();
1698 let Some(lsp_store) = self.lsp_store(cx) else {
1699 return;
1700 };
1701 lsp_store.update(cx, |lsp_store, cx| {
1702 for buffer in buffers {
1703 self.registered_buffers
1704 .entry(buffer.read(cx).remote_id())
1705 .or_insert_with(|| {
1706 lsp_store.register_buffer_with_language_servers(&buffer, cx)
1707 });
1708 }
1709 })
1710 }
1711
1712 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
1713 if self.collapse_matches {
1714 return range.start..range.start;
1715 }
1716 range.clone()
1717 }
1718
1719 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut ViewContext<Self>) {
1720 if self.display_map.read(cx).clip_at_line_ends != clip {
1721 self.display_map
1722 .update(cx, |map, _| map.clip_at_line_ends = clip);
1723 }
1724 }
1725
1726 pub fn set_input_enabled(&mut self, input_enabled: bool) {
1727 self.input_enabled = input_enabled;
1728 }
1729
1730 pub fn set_inline_completions_enabled(&mut self, enabled: bool) {
1731 self.enable_inline_completions = enabled;
1732 }
1733
1734 pub fn set_autoindent(&mut self, autoindent: bool) {
1735 if autoindent {
1736 self.autoindent_mode = Some(AutoindentMode::EachLine);
1737 } else {
1738 self.autoindent_mode = None;
1739 }
1740 }
1741
1742 pub fn read_only(&self, cx: &AppContext) -> bool {
1743 self.read_only || self.buffer.read(cx).read_only()
1744 }
1745
1746 pub fn set_read_only(&mut self, read_only: bool) {
1747 self.read_only = read_only;
1748 }
1749
1750 pub fn set_use_autoclose(&mut self, autoclose: bool) {
1751 self.use_autoclose = autoclose;
1752 }
1753
1754 pub fn set_use_auto_surround(&mut self, auto_surround: bool) {
1755 self.use_auto_surround = auto_surround;
1756 }
1757
1758 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
1759 self.auto_replace_emoji_shortcode = auto_replace;
1760 }
1761
1762 pub fn toggle_inline_completions(
1763 &mut self,
1764 _: &ToggleInlineCompletions,
1765 cx: &mut ViewContext<Self>,
1766 ) {
1767 if self.show_inline_completions_override.is_some() {
1768 self.set_show_inline_completions(None, cx);
1769 } else {
1770 let cursor = self.selections.newest_anchor().head();
1771 if let Some((buffer, cursor_buffer_position)) =
1772 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
1773 {
1774 let show_inline_completions =
1775 !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx);
1776 self.set_show_inline_completions(Some(show_inline_completions), cx);
1777 }
1778 }
1779 }
1780
1781 pub fn set_show_inline_completions(
1782 &mut self,
1783 show_inline_completions: Option<bool>,
1784 cx: &mut ViewContext<Self>,
1785 ) {
1786 self.show_inline_completions_override = show_inline_completions;
1787 self.refresh_inline_completion(false, true, cx);
1788 }
1789
1790 fn should_show_inline_completions(
1791 &self,
1792 buffer: &Model<Buffer>,
1793 buffer_position: language::Anchor,
1794 cx: &AppContext,
1795 ) -> bool {
1796 if !self.snippet_stack.is_empty() {
1797 return false;
1798 }
1799
1800 if self.inline_completions_disabled_in_scope(buffer, buffer_position, cx) {
1801 return false;
1802 }
1803
1804 if let Some(provider) = self.inline_completion_provider() {
1805 if let Some(show_inline_completions) = self.show_inline_completions_override {
1806 show_inline_completions
1807 } else {
1808 self.mode == EditorMode::Full && provider.is_enabled(buffer, buffer_position, cx)
1809 }
1810 } else {
1811 false
1812 }
1813 }
1814
1815 fn inline_completions_disabled_in_scope(
1816 &self,
1817 buffer: &Model<Buffer>,
1818 buffer_position: language::Anchor,
1819 cx: &AppContext,
1820 ) -> bool {
1821 let snapshot = buffer.read(cx).snapshot();
1822 let settings = snapshot.settings_at(buffer_position, cx);
1823
1824 let Some(scope) = snapshot.language_scope_at(buffer_position) else {
1825 return false;
1826 };
1827
1828 scope.override_name().map_or(false, |scope_name| {
1829 settings
1830 .inline_completions_disabled_in
1831 .iter()
1832 .any(|s| s == scope_name)
1833 })
1834 }
1835
1836 pub fn set_use_modal_editing(&mut self, to: bool) {
1837 self.use_modal_editing = to;
1838 }
1839
1840 pub fn use_modal_editing(&self) -> bool {
1841 self.use_modal_editing
1842 }
1843
1844 fn selections_did_change(
1845 &mut self,
1846 local: bool,
1847 old_cursor_position: &Anchor,
1848 show_completions: bool,
1849 cx: &mut ViewContext<Self>,
1850 ) {
1851 cx.invalidate_character_coordinates();
1852
1853 // Copy selections to primary selection buffer
1854 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1855 if local {
1856 let selections = self.selections.all::<usize>(cx);
1857 let buffer_handle = self.buffer.read(cx).read(cx);
1858
1859 let mut text = String::new();
1860 for (index, selection) in selections.iter().enumerate() {
1861 let text_for_selection = buffer_handle
1862 .text_for_range(selection.start..selection.end)
1863 .collect::<String>();
1864
1865 text.push_str(&text_for_selection);
1866 if index != selections.len() - 1 {
1867 text.push('\n');
1868 }
1869 }
1870
1871 if !text.is_empty() {
1872 cx.write_to_primary(ClipboardItem::new_string(text));
1873 }
1874 }
1875
1876 if self.focus_handle.is_focused(cx) && self.leader_peer_id.is_none() {
1877 self.buffer.update(cx, |buffer, cx| {
1878 buffer.set_active_selections(
1879 &self.selections.disjoint_anchors(),
1880 self.selections.line_mode,
1881 self.cursor_shape,
1882 cx,
1883 )
1884 });
1885 }
1886 let display_map = self
1887 .display_map
1888 .update(cx, |display_map, cx| display_map.snapshot(cx));
1889 let buffer = &display_map.buffer_snapshot;
1890 self.add_selections_state = None;
1891 self.select_next_state = None;
1892 self.select_prev_state = None;
1893 self.select_larger_syntax_node_stack.clear();
1894 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
1895 self.snippet_stack
1896 .invalidate(&self.selections.disjoint_anchors(), buffer);
1897 self.take_rename(false, cx);
1898
1899 let new_cursor_position = self.selections.newest_anchor().head();
1900
1901 self.push_to_nav_history(
1902 *old_cursor_position,
1903 Some(new_cursor_position.to_point(buffer)),
1904 cx,
1905 );
1906
1907 if local {
1908 let new_cursor_position = self.selections.newest_anchor().head();
1909 let mut context_menu = self.context_menu.borrow_mut();
1910 let completion_menu = match context_menu.as_ref() {
1911 Some(CodeContextMenu::Completions(menu)) => Some(menu),
1912 _ => {
1913 *context_menu = None;
1914 None
1915 }
1916 };
1917
1918 if let Some(completion_menu) = completion_menu {
1919 let cursor_position = new_cursor_position.to_offset(buffer);
1920 let (word_range, kind) =
1921 buffer.surrounding_word(completion_menu.initial_position, true);
1922 if kind == Some(CharKind::Word)
1923 && word_range.to_inclusive().contains(&cursor_position)
1924 {
1925 let mut completion_menu = completion_menu.clone();
1926 drop(context_menu);
1927
1928 let query = Self::completion_query(buffer, cursor_position);
1929 cx.spawn(move |this, mut cx| async move {
1930 completion_menu
1931 .filter(query.as_deref(), cx.background_executor().clone())
1932 .await;
1933
1934 this.update(&mut cx, |this, cx| {
1935 let mut context_menu = this.context_menu.borrow_mut();
1936 let Some(CodeContextMenu::Completions(menu)) = context_menu.as_ref()
1937 else {
1938 return;
1939 };
1940
1941 if menu.id > completion_menu.id {
1942 return;
1943 }
1944
1945 *context_menu = Some(CodeContextMenu::Completions(completion_menu));
1946 drop(context_menu);
1947 cx.notify();
1948 })
1949 })
1950 .detach();
1951
1952 if show_completions {
1953 self.show_completions(&ShowCompletions { trigger: None }, cx);
1954 }
1955 } else {
1956 drop(context_menu);
1957 self.hide_context_menu(cx);
1958 }
1959 } else {
1960 drop(context_menu);
1961 }
1962
1963 hide_hover(self, cx);
1964
1965 if old_cursor_position.to_display_point(&display_map).row()
1966 != new_cursor_position.to_display_point(&display_map).row()
1967 {
1968 self.available_code_actions.take();
1969 }
1970 self.refresh_code_actions(cx);
1971 self.refresh_document_highlights(cx);
1972 refresh_matching_bracket_highlights(self, cx);
1973 self.update_visible_inline_completion(cx);
1974 linked_editing_ranges::refresh_linked_ranges(self, cx);
1975 if self.git_blame_inline_enabled {
1976 self.start_inline_blame_timer(cx);
1977 }
1978 }
1979
1980 self.blink_manager.update(cx, BlinkManager::pause_blinking);
1981 cx.emit(EditorEvent::SelectionsChanged { local });
1982
1983 if self.selections.disjoint_anchors().len() == 1 {
1984 cx.emit(SearchEvent::ActiveMatchChanged)
1985 }
1986 cx.notify();
1987 }
1988
1989 pub fn change_selections<R>(
1990 &mut self,
1991 autoscroll: Option<Autoscroll>,
1992 cx: &mut ViewContext<Self>,
1993 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
1994 ) -> R {
1995 self.change_selections_inner(autoscroll, true, cx, change)
1996 }
1997
1998 pub fn change_selections_inner<R>(
1999 &mut self,
2000 autoscroll: Option<Autoscroll>,
2001 request_completions: bool,
2002 cx: &mut ViewContext<Self>,
2003 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2004 ) -> R {
2005 let old_cursor_position = self.selections.newest_anchor().head();
2006 self.push_to_selection_history();
2007
2008 let (changed, result) = self.selections.change_with(cx, change);
2009
2010 if changed {
2011 if let Some(autoscroll) = autoscroll {
2012 self.request_autoscroll(autoscroll, cx);
2013 }
2014 self.selections_did_change(true, &old_cursor_position, request_completions, cx);
2015
2016 if self.should_open_signature_help_automatically(
2017 &old_cursor_position,
2018 self.signature_help_state.backspace_pressed(),
2019 cx,
2020 ) {
2021 self.show_signature_help(&ShowSignatureHelp, cx);
2022 }
2023 self.signature_help_state.set_backspace_pressed(false);
2024 }
2025
2026 result
2027 }
2028
2029 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2030 where
2031 I: IntoIterator<Item = (Range<S>, T)>,
2032 S: ToOffset,
2033 T: Into<Arc<str>>,
2034 {
2035 if self.read_only(cx) {
2036 return;
2037 }
2038
2039 self.buffer
2040 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2041 }
2042
2043 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2044 where
2045 I: IntoIterator<Item = (Range<S>, T)>,
2046 S: ToOffset,
2047 T: Into<Arc<str>>,
2048 {
2049 if self.read_only(cx) {
2050 return;
2051 }
2052
2053 self.buffer.update(cx, |buffer, cx| {
2054 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2055 });
2056 }
2057
2058 pub fn edit_with_block_indent<I, S, T>(
2059 &mut self,
2060 edits: I,
2061 original_indent_columns: Vec<u32>,
2062 cx: &mut ViewContext<Self>,
2063 ) where
2064 I: IntoIterator<Item = (Range<S>, T)>,
2065 S: ToOffset,
2066 T: Into<Arc<str>>,
2067 {
2068 if self.read_only(cx) {
2069 return;
2070 }
2071
2072 self.buffer.update(cx, |buffer, cx| {
2073 buffer.edit(
2074 edits,
2075 Some(AutoindentMode::Block {
2076 original_indent_columns,
2077 }),
2078 cx,
2079 )
2080 });
2081 }
2082
2083 fn select(&mut self, phase: SelectPhase, cx: &mut ViewContext<Self>) {
2084 self.hide_context_menu(cx);
2085
2086 match phase {
2087 SelectPhase::Begin {
2088 position,
2089 add,
2090 click_count,
2091 } => self.begin_selection(position, add, click_count, cx),
2092 SelectPhase::BeginColumnar {
2093 position,
2094 goal_column,
2095 reset,
2096 } => self.begin_columnar_selection(position, goal_column, reset, cx),
2097 SelectPhase::Extend {
2098 position,
2099 click_count,
2100 } => self.extend_selection(position, click_count, cx),
2101 SelectPhase::Update {
2102 position,
2103 goal_column,
2104 scroll_delta,
2105 } => self.update_selection(position, goal_column, scroll_delta, cx),
2106 SelectPhase::End => self.end_selection(cx),
2107 }
2108 }
2109
2110 fn extend_selection(
2111 &mut self,
2112 position: DisplayPoint,
2113 click_count: usize,
2114 cx: &mut ViewContext<Self>,
2115 ) {
2116 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2117 let tail = self.selections.newest::<usize>(cx).tail();
2118 self.begin_selection(position, false, click_count, cx);
2119
2120 let position = position.to_offset(&display_map, Bias::Left);
2121 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2122
2123 let mut pending_selection = self
2124 .selections
2125 .pending_anchor()
2126 .expect("extend_selection not called with pending selection");
2127 if position >= tail {
2128 pending_selection.start = tail_anchor;
2129 } else {
2130 pending_selection.end = tail_anchor;
2131 pending_selection.reversed = true;
2132 }
2133
2134 let mut pending_mode = self.selections.pending_mode().unwrap();
2135 match &mut pending_mode {
2136 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2137 _ => {}
2138 }
2139
2140 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
2141 s.set_pending(pending_selection, pending_mode)
2142 });
2143 }
2144
2145 fn begin_selection(
2146 &mut self,
2147 position: DisplayPoint,
2148 add: bool,
2149 click_count: usize,
2150 cx: &mut ViewContext<Self>,
2151 ) {
2152 if !self.focus_handle.is_focused(cx) {
2153 self.last_focused_descendant = None;
2154 cx.focus(&self.focus_handle);
2155 }
2156
2157 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2158 let buffer = &display_map.buffer_snapshot;
2159 let newest_selection = self.selections.newest_anchor().clone();
2160 let position = display_map.clip_point(position, Bias::Left);
2161
2162 let start;
2163 let end;
2164 let mode;
2165 let mut auto_scroll;
2166 match click_count {
2167 1 => {
2168 start = buffer.anchor_before(position.to_point(&display_map));
2169 end = start;
2170 mode = SelectMode::Character;
2171 auto_scroll = true;
2172 }
2173 2 => {
2174 let range = movement::surrounding_word(&display_map, position);
2175 start = buffer.anchor_before(range.start.to_point(&display_map));
2176 end = buffer.anchor_before(range.end.to_point(&display_map));
2177 mode = SelectMode::Word(start..end);
2178 auto_scroll = true;
2179 }
2180 3 => {
2181 let position = display_map
2182 .clip_point(position, Bias::Left)
2183 .to_point(&display_map);
2184 let line_start = display_map.prev_line_boundary(position).0;
2185 let next_line_start = buffer.clip_point(
2186 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2187 Bias::Left,
2188 );
2189 start = buffer.anchor_before(line_start);
2190 end = buffer.anchor_before(next_line_start);
2191 mode = SelectMode::Line(start..end);
2192 auto_scroll = true;
2193 }
2194 _ => {
2195 start = buffer.anchor_before(0);
2196 end = buffer.anchor_before(buffer.len());
2197 mode = SelectMode::All;
2198 auto_scroll = false;
2199 }
2200 }
2201 auto_scroll &= EditorSettings::get_global(cx).autoscroll_on_clicks;
2202
2203 let point_to_delete: Option<usize> = {
2204 let selected_points: Vec<Selection<Point>> =
2205 self.selections.disjoint_in_range(start..end, cx);
2206
2207 if !add || click_count > 1 {
2208 None
2209 } else if !selected_points.is_empty() {
2210 Some(selected_points[0].id)
2211 } else {
2212 let clicked_point_already_selected =
2213 self.selections.disjoint.iter().find(|selection| {
2214 selection.start.to_point(buffer) == start.to_point(buffer)
2215 || selection.end.to_point(buffer) == end.to_point(buffer)
2216 });
2217
2218 clicked_point_already_selected.map(|selection| selection.id)
2219 }
2220 };
2221
2222 let selections_count = self.selections.count();
2223
2224 self.change_selections(auto_scroll.then(Autoscroll::newest), cx, |s| {
2225 if let Some(point_to_delete) = point_to_delete {
2226 s.delete(point_to_delete);
2227
2228 if selections_count == 1 {
2229 s.set_pending_anchor_range(start..end, mode);
2230 }
2231 } else {
2232 if !add {
2233 s.clear_disjoint();
2234 } else if click_count > 1 {
2235 s.delete(newest_selection.id)
2236 }
2237
2238 s.set_pending_anchor_range(start..end, mode);
2239 }
2240 });
2241 }
2242
2243 fn begin_columnar_selection(
2244 &mut self,
2245 position: DisplayPoint,
2246 goal_column: u32,
2247 reset: bool,
2248 cx: &mut ViewContext<Self>,
2249 ) {
2250 if !self.focus_handle.is_focused(cx) {
2251 self.last_focused_descendant = None;
2252 cx.focus(&self.focus_handle);
2253 }
2254
2255 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2256
2257 if reset {
2258 let pointer_position = display_map
2259 .buffer_snapshot
2260 .anchor_before(position.to_point(&display_map));
2261
2262 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
2263 s.clear_disjoint();
2264 s.set_pending_anchor_range(
2265 pointer_position..pointer_position,
2266 SelectMode::Character,
2267 );
2268 });
2269 }
2270
2271 let tail = self.selections.newest::<Point>(cx).tail();
2272 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2273
2274 if !reset {
2275 self.select_columns(
2276 tail.to_display_point(&display_map),
2277 position,
2278 goal_column,
2279 &display_map,
2280 cx,
2281 );
2282 }
2283 }
2284
2285 fn update_selection(
2286 &mut self,
2287 position: DisplayPoint,
2288 goal_column: u32,
2289 scroll_delta: gpui::Point<f32>,
2290 cx: &mut ViewContext<Self>,
2291 ) {
2292 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2293
2294 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2295 let tail = tail.to_display_point(&display_map);
2296 self.select_columns(tail, position, goal_column, &display_map, cx);
2297 } else if let Some(mut pending) = self.selections.pending_anchor() {
2298 let buffer = self.buffer.read(cx).snapshot(cx);
2299 let head;
2300 let tail;
2301 let mode = self.selections.pending_mode().unwrap();
2302 match &mode {
2303 SelectMode::Character => {
2304 head = position.to_point(&display_map);
2305 tail = pending.tail().to_point(&buffer);
2306 }
2307 SelectMode::Word(original_range) => {
2308 let original_display_range = original_range.start.to_display_point(&display_map)
2309 ..original_range.end.to_display_point(&display_map);
2310 let original_buffer_range = original_display_range.start.to_point(&display_map)
2311 ..original_display_range.end.to_point(&display_map);
2312 if movement::is_inside_word(&display_map, position)
2313 || original_display_range.contains(&position)
2314 {
2315 let word_range = movement::surrounding_word(&display_map, position);
2316 if word_range.start < original_display_range.start {
2317 head = word_range.start.to_point(&display_map);
2318 } else {
2319 head = word_range.end.to_point(&display_map);
2320 }
2321 } else {
2322 head = position.to_point(&display_map);
2323 }
2324
2325 if head <= original_buffer_range.start {
2326 tail = original_buffer_range.end;
2327 } else {
2328 tail = original_buffer_range.start;
2329 }
2330 }
2331 SelectMode::Line(original_range) => {
2332 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2333
2334 let position = display_map
2335 .clip_point(position, Bias::Left)
2336 .to_point(&display_map);
2337 let line_start = display_map.prev_line_boundary(position).0;
2338 let next_line_start = buffer.clip_point(
2339 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2340 Bias::Left,
2341 );
2342
2343 if line_start < original_range.start {
2344 head = line_start
2345 } else {
2346 head = next_line_start
2347 }
2348
2349 if head <= original_range.start {
2350 tail = original_range.end;
2351 } else {
2352 tail = original_range.start;
2353 }
2354 }
2355 SelectMode::All => {
2356 return;
2357 }
2358 };
2359
2360 if head < tail {
2361 pending.start = buffer.anchor_before(head);
2362 pending.end = buffer.anchor_before(tail);
2363 pending.reversed = true;
2364 } else {
2365 pending.start = buffer.anchor_before(tail);
2366 pending.end = buffer.anchor_before(head);
2367 pending.reversed = false;
2368 }
2369
2370 self.change_selections(None, cx, |s| {
2371 s.set_pending(pending, mode);
2372 });
2373 } else {
2374 log::error!("update_selection dispatched with no pending selection");
2375 return;
2376 }
2377
2378 self.apply_scroll_delta(scroll_delta, cx);
2379 cx.notify();
2380 }
2381
2382 fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
2383 self.columnar_selection_tail.take();
2384 if self.selections.pending_anchor().is_some() {
2385 let selections = self.selections.all::<usize>(cx);
2386 self.change_selections(None, cx, |s| {
2387 s.select(selections);
2388 s.clear_pending();
2389 });
2390 }
2391 }
2392
2393 fn select_columns(
2394 &mut self,
2395 tail: DisplayPoint,
2396 head: DisplayPoint,
2397 goal_column: u32,
2398 display_map: &DisplaySnapshot,
2399 cx: &mut ViewContext<Self>,
2400 ) {
2401 let start_row = cmp::min(tail.row(), head.row());
2402 let end_row = cmp::max(tail.row(), head.row());
2403 let start_column = cmp::min(tail.column(), goal_column);
2404 let end_column = cmp::max(tail.column(), goal_column);
2405 let reversed = start_column < tail.column();
2406
2407 let selection_ranges = (start_row.0..=end_row.0)
2408 .map(DisplayRow)
2409 .filter_map(|row| {
2410 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2411 let start = display_map
2412 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2413 .to_point(display_map);
2414 let end = display_map
2415 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2416 .to_point(display_map);
2417 if reversed {
2418 Some(end..start)
2419 } else {
2420 Some(start..end)
2421 }
2422 } else {
2423 None
2424 }
2425 })
2426 .collect::<Vec<_>>();
2427
2428 self.change_selections(None, cx, |s| {
2429 s.select_ranges(selection_ranges);
2430 });
2431 cx.notify();
2432 }
2433
2434 pub fn has_pending_nonempty_selection(&self) -> bool {
2435 let pending_nonempty_selection = match self.selections.pending_anchor() {
2436 Some(Selection { start, end, .. }) => start != end,
2437 None => false,
2438 };
2439
2440 pending_nonempty_selection
2441 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2442 }
2443
2444 pub fn has_pending_selection(&self) -> bool {
2445 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2446 }
2447
2448 pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
2449 if self.clear_expanded_diff_hunks(cx) {
2450 cx.notify();
2451 return;
2452 }
2453 if self.dismiss_menus_and_popups(true, cx) {
2454 return;
2455 }
2456
2457 if self.mode == EditorMode::Full
2458 && self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel())
2459 {
2460 return;
2461 }
2462
2463 cx.propagate();
2464 }
2465
2466 pub fn dismiss_menus_and_popups(
2467 &mut self,
2468 should_report_inline_completion_event: bool,
2469 cx: &mut ViewContext<Self>,
2470 ) -> bool {
2471 if self.take_rename(false, cx).is_some() {
2472 return true;
2473 }
2474
2475 if hide_hover(self, cx) {
2476 return true;
2477 }
2478
2479 if self.hide_signature_help(cx, SignatureHelpHiddenBy::Escape) {
2480 return true;
2481 }
2482
2483 if self.hide_context_menu(cx).is_some() {
2484 if self.show_inline_completions_in_menu(cx) && self.has_active_inline_completion() {
2485 self.update_visible_inline_completion(cx);
2486 }
2487 return true;
2488 }
2489
2490 if self.mouse_context_menu.take().is_some() {
2491 return true;
2492 }
2493
2494 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2495 return true;
2496 }
2497
2498 if self.snippet_stack.pop().is_some() {
2499 return true;
2500 }
2501
2502 if self.mode == EditorMode::Full && self.active_diagnostics.is_some() {
2503 self.dismiss_diagnostics(cx);
2504 return true;
2505 }
2506
2507 false
2508 }
2509
2510 fn linked_editing_ranges_for(
2511 &self,
2512 selection: Range<text::Anchor>,
2513 cx: &AppContext,
2514 ) -> Option<HashMap<Model<Buffer>, Vec<Range<text::Anchor>>>> {
2515 if self.linked_edit_ranges.is_empty() {
2516 return None;
2517 }
2518 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2519 selection.end.buffer_id.and_then(|end_buffer_id| {
2520 if selection.start.buffer_id != Some(end_buffer_id) {
2521 return None;
2522 }
2523 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2524 let snapshot = buffer.read(cx).snapshot();
2525 self.linked_edit_ranges
2526 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2527 .map(|ranges| (ranges, snapshot, buffer))
2528 })?;
2529 use text::ToOffset as TO;
2530 // find offset from the start of current range to current cursor position
2531 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2532
2533 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2534 let start_difference = start_offset - start_byte_offset;
2535 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2536 let end_difference = end_offset - start_byte_offset;
2537 // Current range has associated linked ranges.
2538 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2539 for range in linked_ranges.iter() {
2540 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2541 let end_offset = start_offset + end_difference;
2542 let start_offset = start_offset + start_difference;
2543 if start_offset > buffer_snapshot.len() || end_offset > buffer_snapshot.len() {
2544 continue;
2545 }
2546 if self.selections.disjoint_anchor_ranges().iter().any(|s| {
2547 if s.start.buffer_id != selection.start.buffer_id
2548 || s.end.buffer_id != selection.end.buffer_id
2549 {
2550 return false;
2551 }
2552 TO::to_offset(&s.start.text_anchor, &buffer_snapshot) <= end_offset
2553 && TO::to_offset(&s.end.text_anchor, &buffer_snapshot) >= start_offset
2554 }) {
2555 continue;
2556 }
2557 let start = buffer_snapshot.anchor_after(start_offset);
2558 let end = buffer_snapshot.anchor_after(end_offset);
2559 linked_edits
2560 .entry(buffer.clone())
2561 .or_default()
2562 .push(start..end);
2563 }
2564 Some(linked_edits)
2565 }
2566
2567 pub fn handle_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
2568 let text: Arc<str> = text.into();
2569
2570 if self.read_only(cx) {
2571 return;
2572 }
2573
2574 let selections = self.selections.all_adjusted(cx);
2575 let mut bracket_inserted = false;
2576 let mut edits = Vec::new();
2577 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2578 let mut new_selections = Vec::with_capacity(selections.len());
2579 let mut new_autoclose_regions = Vec::new();
2580 let snapshot = self.buffer.read(cx).read(cx);
2581
2582 for (selection, autoclose_region) in
2583 self.selections_with_autoclose_regions(selections, &snapshot)
2584 {
2585 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2586 // Determine if the inserted text matches the opening or closing
2587 // bracket of any of this language's bracket pairs.
2588 let mut bracket_pair = None;
2589 let mut is_bracket_pair_start = false;
2590 let mut is_bracket_pair_end = false;
2591 if !text.is_empty() {
2592 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2593 // and they are removing the character that triggered IME popup.
2594 for (pair, enabled) in scope.brackets() {
2595 if !pair.close && !pair.surround {
2596 continue;
2597 }
2598
2599 if enabled && pair.start.ends_with(text.as_ref()) {
2600 let prefix_len = pair.start.len() - text.len();
2601 let preceding_text_matches_prefix = prefix_len == 0
2602 || (selection.start.column >= (prefix_len as u32)
2603 && snapshot.contains_str_at(
2604 Point::new(
2605 selection.start.row,
2606 selection.start.column - (prefix_len as u32),
2607 ),
2608 &pair.start[..prefix_len],
2609 ));
2610 if preceding_text_matches_prefix {
2611 bracket_pair = Some(pair.clone());
2612 is_bracket_pair_start = true;
2613 break;
2614 }
2615 }
2616 if pair.end.as_str() == text.as_ref() {
2617 bracket_pair = Some(pair.clone());
2618 is_bracket_pair_end = true;
2619 break;
2620 }
2621 }
2622 }
2623
2624 if let Some(bracket_pair) = bracket_pair {
2625 let snapshot_settings = snapshot.settings_at(selection.start, cx);
2626 let autoclose = self.use_autoclose && snapshot_settings.use_autoclose;
2627 let auto_surround =
2628 self.use_auto_surround && snapshot_settings.use_auto_surround;
2629 if selection.is_empty() {
2630 if is_bracket_pair_start {
2631 // If the inserted text is a suffix of an opening bracket and the
2632 // selection is preceded by the rest of the opening bracket, then
2633 // insert the closing bracket.
2634 let following_text_allows_autoclose = snapshot
2635 .chars_at(selection.start)
2636 .next()
2637 .map_or(true, |c| scope.should_autoclose_before(c));
2638
2639 let is_closing_quote = if bracket_pair.end == bracket_pair.start
2640 && bracket_pair.start.len() == 1
2641 {
2642 let target = bracket_pair.start.chars().next().unwrap();
2643 let current_line_count = snapshot
2644 .reversed_chars_at(selection.start)
2645 .take_while(|&c| c != '\n')
2646 .filter(|&c| c == target)
2647 .count();
2648 current_line_count % 2 == 1
2649 } else {
2650 false
2651 };
2652
2653 if autoclose
2654 && bracket_pair.close
2655 && following_text_allows_autoclose
2656 && !is_closing_quote
2657 {
2658 let anchor = snapshot.anchor_before(selection.end);
2659 new_selections.push((selection.map(|_| anchor), text.len()));
2660 new_autoclose_regions.push((
2661 anchor,
2662 text.len(),
2663 selection.id,
2664 bracket_pair.clone(),
2665 ));
2666 edits.push((
2667 selection.range(),
2668 format!("{}{}", text, bracket_pair.end).into(),
2669 ));
2670 bracket_inserted = true;
2671 continue;
2672 }
2673 }
2674
2675 if let Some(region) = autoclose_region {
2676 // If the selection is followed by an auto-inserted closing bracket,
2677 // then don't insert that closing bracket again; just move the selection
2678 // past the closing bracket.
2679 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2680 && text.as_ref() == region.pair.end.as_str();
2681 if should_skip {
2682 let anchor = snapshot.anchor_after(selection.end);
2683 new_selections
2684 .push((selection.map(|_| anchor), region.pair.end.len()));
2685 continue;
2686 }
2687 }
2688
2689 let always_treat_brackets_as_autoclosed = snapshot
2690 .settings_at(selection.start, cx)
2691 .always_treat_brackets_as_autoclosed;
2692 if always_treat_brackets_as_autoclosed
2693 && is_bracket_pair_end
2694 && snapshot.contains_str_at(selection.end, text.as_ref())
2695 {
2696 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2697 // and the inserted text is a closing bracket and the selection is followed
2698 // by the closing bracket then move the selection past the closing bracket.
2699 let anchor = snapshot.anchor_after(selection.end);
2700 new_selections.push((selection.map(|_| anchor), text.len()));
2701 continue;
2702 }
2703 }
2704 // If an opening bracket is 1 character long and is typed while
2705 // text is selected, then surround that text with the bracket pair.
2706 else if auto_surround
2707 && bracket_pair.surround
2708 && is_bracket_pair_start
2709 && bracket_pair.start.chars().count() == 1
2710 {
2711 edits.push((selection.start..selection.start, text.clone()));
2712 edits.push((
2713 selection.end..selection.end,
2714 bracket_pair.end.as_str().into(),
2715 ));
2716 bracket_inserted = true;
2717 new_selections.push((
2718 Selection {
2719 id: selection.id,
2720 start: snapshot.anchor_after(selection.start),
2721 end: snapshot.anchor_before(selection.end),
2722 reversed: selection.reversed,
2723 goal: selection.goal,
2724 },
2725 0,
2726 ));
2727 continue;
2728 }
2729 }
2730 }
2731
2732 if self.auto_replace_emoji_shortcode
2733 && selection.is_empty()
2734 && text.as_ref().ends_with(':')
2735 {
2736 if let Some(possible_emoji_short_code) =
2737 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
2738 {
2739 if !possible_emoji_short_code.is_empty() {
2740 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
2741 let emoji_shortcode_start = Point::new(
2742 selection.start.row,
2743 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
2744 );
2745
2746 // Remove shortcode from buffer
2747 edits.push((
2748 emoji_shortcode_start..selection.start,
2749 "".to_string().into(),
2750 ));
2751 new_selections.push((
2752 Selection {
2753 id: selection.id,
2754 start: snapshot.anchor_after(emoji_shortcode_start),
2755 end: snapshot.anchor_before(selection.start),
2756 reversed: selection.reversed,
2757 goal: selection.goal,
2758 },
2759 0,
2760 ));
2761
2762 // Insert emoji
2763 let selection_start_anchor = snapshot.anchor_after(selection.start);
2764 new_selections.push((selection.map(|_| selection_start_anchor), 0));
2765 edits.push((selection.start..selection.end, emoji.to_string().into()));
2766
2767 continue;
2768 }
2769 }
2770 }
2771 }
2772
2773 // If not handling any auto-close operation, then just replace the selected
2774 // text with the given input and move the selection to the end of the
2775 // newly inserted text.
2776 let anchor = snapshot.anchor_after(selection.end);
2777 if !self.linked_edit_ranges.is_empty() {
2778 let start_anchor = snapshot.anchor_before(selection.start);
2779
2780 let is_word_char = text.chars().next().map_or(true, |char| {
2781 let classifier = snapshot.char_classifier_at(start_anchor.to_offset(&snapshot));
2782 classifier.is_word(char)
2783 });
2784
2785 if is_word_char {
2786 if let Some(ranges) = self
2787 .linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
2788 {
2789 for (buffer, edits) in ranges {
2790 linked_edits
2791 .entry(buffer.clone())
2792 .or_default()
2793 .extend(edits.into_iter().map(|range| (range, text.clone())));
2794 }
2795 }
2796 }
2797 }
2798
2799 new_selections.push((selection.map(|_| anchor), 0));
2800 edits.push((selection.start..selection.end, text.clone()));
2801 }
2802
2803 drop(snapshot);
2804
2805 self.transact(cx, |this, cx| {
2806 this.buffer.update(cx, |buffer, cx| {
2807 buffer.edit(edits, this.autoindent_mode.clone(), cx);
2808 });
2809 for (buffer, edits) in linked_edits {
2810 buffer.update(cx, |buffer, cx| {
2811 let snapshot = buffer.snapshot();
2812 let edits = edits
2813 .into_iter()
2814 .map(|(range, text)| {
2815 use text::ToPoint as TP;
2816 let end_point = TP::to_point(&range.end, &snapshot);
2817 let start_point = TP::to_point(&range.start, &snapshot);
2818 (start_point..end_point, text)
2819 })
2820 .sorted_by_key(|(range, _)| range.start)
2821 .collect::<Vec<_>>();
2822 buffer.edit(edits, None, cx);
2823 })
2824 }
2825 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2826 let new_selection_deltas = new_selections.iter().map(|e| e.1);
2827 let map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
2828 let new_selections = resolve_selections::<usize, _>(new_anchor_selections, &map)
2829 .zip(new_selection_deltas)
2830 .map(|(selection, delta)| Selection {
2831 id: selection.id,
2832 start: selection.start + delta,
2833 end: selection.end + delta,
2834 reversed: selection.reversed,
2835 goal: SelectionGoal::None,
2836 })
2837 .collect::<Vec<_>>();
2838
2839 let mut i = 0;
2840 for (position, delta, selection_id, pair) in new_autoclose_regions {
2841 let position = position.to_offset(&map.buffer_snapshot) + delta;
2842 let start = map.buffer_snapshot.anchor_before(position);
2843 let end = map.buffer_snapshot.anchor_after(position);
2844 while let Some(existing_state) = this.autoclose_regions.get(i) {
2845 match existing_state.range.start.cmp(&start, &map.buffer_snapshot) {
2846 Ordering::Less => i += 1,
2847 Ordering::Greater => break,
2848 Ordering::Equal => {
2849 match end.cmp(&existing_state.range.end, &map.buffer_snapshot) {
2850 Ordering::Less => i += 1,
2851 Ordering::Equal => break,
2852 Ordering::Greater => break,
2853 }
2854 }
2855 }
2856 }
2857 this.autoclose_regions.insert(
2858 i,
2859 AutocloseRegion {
2860 selection_id,
2861 range: start..end,
2862 pair,
2863 },
2864 );
2865 }
2866
2867 let had_active_inline_completion = this.has_active_inline_completion();
2868 this.change_selections_inner(Some(Autoscroll::fit()), false, cx, |s| {
2869 s.select(new_selections)
2870 });
2871
2872 if !bracket_inserted {
2873 if let Some(on_type_format_task) =
2874 this.trigger_on_type_formatting(text.to_string(), cx)
2875 {
2876 on_type_format_task.detach_and_log_err(cx);
2877 }
2878 }
2879
2880 let editor_settings = EditorSettings::get_global(cx);
2881 if bracket_inserted
2882 && (editor_settings.auto_signature_help
2883 || editor_settings.show_signature_help_after_edits)
2884 {
2885 this.show_signature_help(&ShowSignatureHelp, cx);
2886 }
2887
2888 let trigger_in_words =
2889 this.show_inline_completions_in_menu(cx) || !had_active_inline_completion;
2890 this.trigger_completion_on_input(&text, trigger_in_words, cx);
2891 linked_editing_ranges::refresh_linked_ranges(this, cx);
2892 this.refresh_inline_completion(true, false, cx);
2893 });
2894 }
2895
2896 fn find_possible_emoji_shortcode_at_position(
2897 snapshot: &MultiBufferSnapshot,
2898 position: Point,
2899 ) -> Option<String> {
2900 let mut chars = Vec::new();
2901 let mut found_colon = false;
2902 for char in snapshot.reversed_chars_at(position).take(100) {
2903 // Found a possible emoji shortcode in the middle of the buffer
2904 if found_colon {
2905 if char.is_whitespace() {
2906 chars.reverse();
2907 return Some(chars.iter().collect());
2908 }
2909 // If the previous character is not a whitespace, we are in the middle of a word
2910 // and we only want to complete the shortcode if the word is made up of other emojis
2911 let mut containing_word = String::new();
2912 for ch in snapshot
2913 .reversed_chars_at(position)
2914 .skip(chars.len() + 1)
2915 .take(100)
2916 {
2917 if ch.is_whitespace() {
2918 break;
2919 }
2920 containing_word.push(ch);
2921 }
2922 let containing_word = containing_word.chars().rev().collect::<String>();
2923 if util::word_consists_of_emojis(containing_word.as_str()) {
2924 chars.reverse();
2925 return Some(chars.iter().collect());
2926 }
2927 }
2928
2929 if char.is_whitespace() || !char.is_ascii() {
2930 return None;
2931 }
2932 if char == ':' {
2933 found_colon = true;
2934 } else {
2935 chars.push(char);
2936 }
2937 }
2938 // Found a possible emoji shortcode at the beginning of the buffer
2939 chars.reverse();
2940 Some(chars.iter().collect())
2941 }
2942
2943 pub fn newline(&mut self, _: &Newline, cx: &mut ViewContext<Self>) {
2944 self.transact(cx, |this, cx| {
2945 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
2946 let selections = this.selections.all::<usize>(cx);
2947 let multi_buffer = this.buffer.read(cx);
2948 let buffer = multi_buffer.snapshot(cx);
2949 selections
2950 .iter()
2951 .map(|selection| {
2952 let start_point = selection.start.to_point(&buffer);
2953 let mut indent =
2954 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
2955 indent.len = cmp::min(indent.len, start_point.column);
2956 let start = selection.start;
2957 let end = selection.end;
2958 let selection_is_empty = start == end;
2959 let language_scope = buffer.language_scope_at(start);
2960 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
2961 &language_scope
2962 {
2963 let leading_whitespace_len = buffer
2964 .reversed_chars_at(start)
2965 .take_while(|c| c.is_whitespace() && *c != '\n')
2966 .map(|c| c.len_utf8())
2967 .sum::<usize>();
2968
2969 let trailing_whitespace_len = buffer
2970 .chars_at(end)
2971 .take_while(|c| c.is_whitespace() && *c != '\n')
2972 .map(|c| c.len_utf8())
2973 .sum::<usize>();
2974
2975 let insert_extra_newline =
2976 language.brackets().any(|(pair, enabled)| {
2977 let pair_start = pair.start.trim_end();
2978 let pair_end = pair.end.trim_start();
2979
2980 enabled
2981 && pair.newline
2982 && buffer.contains_str_at(
2983 end + trailing_whitespace_len,
2984 pair_end,
2985 )
2986 && buffer.contains_str_at(
2987 (start - leading_whitespace_len)
2988 .saturating_sub(pair_start.len()),
2989 pair_start,
2990 )
2991 });
2992
2993 // Comment extension on newline is allowed only for cursor selections
2994 let comment_delimiter = maybe!({
2995 if !selection_is_empty {
2996 return None;
2997 }
2998
2999 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3000 return None;
3001 }
3002
3003 let delimiters = language.line_comment_prefixes();
3004 let max_len_of_delimiter =
3005 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3006 let (snapshot, range) =
3007 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3008
3009 let mut index_of_first_non_whitespace = 0;
3010 let comment_candidate = snapshot
3011 .chars_for_range(range)
3012 .skip_while(|c| {
3013 let should_skip = c.is_whitespace();
3014 if should_skip {
3015 index_of_first_non_whitespace += 1;
3016 }
3017 should_skip
3018 })
3019 .take(max_len_of_delimiter)
3020 .collect::<String>();
3021 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3022 comment_candidate.starts_with(comment_prefix.as_ref())
3023 })?;
3024 let cursor_is_placed_after_comment_marker =
3025 index_of_first_non_whitespace + comment_prefix.len()
3026 <= start_point.column as usize;
3027 if cursor_is_placed_after_comment_marker {
3028 Some(comment_prefix.clone())
3029 } else {
3030 None
3031 }
3032 });
3033 (comment_delimiter, insert_extra_newline)
3034 } else {
3035 (None, false)
3036 };
3037
3038 let capacity_for_delimiter = comment_delimiter
3039 .as_deref()
3040 .map(str::len)
3041 .unwrap_or_default();
3042 let mut new_text =
3043 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3044 new_text.push('\n');
3045 new_text.extend(indent.chars());
3046 if let Some(delimiter) = &comment_delimiter {
3047 new_text.push_str(delimiter);
3048 }
3049 if insert_extra_newline {
3050 new_text = new_text.repeat(2);
3051 }
3052
3053 let anchor = buffer.anchor_after(end);
3054 let new_selection = selection.map(|_| anchor);
3055 (
3056 (start..end, new_text),
3057 (insert_extra_newline, new_selection),
3058 )
3059 })
3060 .unzip()
3061 };
3062
3063 this.edit_with_autoindent(edits, cx);
3064 let buffer = this.buffer.read(cx).snapshot(cx);
3065 let new_selections = selection_fixup_info
3066 .into_iter()
3067 .map(|(extra_newline_inserted, new_selection)| {
3068 let mut cursor = new_selection.end.to_point(&buffer);
3069 if extra_newline_inserted {
3070 cursor.row -= 1;
3071 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3072 }
3073 new_selection.map(|_| cursor)
3074 })
3075 .collect();
3076
3077 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
3078 this.refresh_inline_completion(true, false, cx);
3079 });
3080 }
3081
3082 pub fn newline_above(&mut self, _: &NewlineAbove, cx: &mut ViewContext<Self>) {
3083 let buffer = self.buffer.read(cx);
3084 let snapshot = buffer.snapshot(cx);
3085
3086 let mut edits = Vec::new();
3087 let mut rows = Vec::new();
3088
3089 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3090 let cursor = selection.head();
3091 let row = cursor.row;
3092
3093 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3094
3095 let newline = "\n".to_string();
3096 edits.push((start_of_line..start_of_line, newline));
3097
3098 rows.push(row + rows_inserted as u32);
3099 }
3100
3101 self.transact(cx, |editor, cx| {
3102 editor.edit(edits, cx);
3103
3104 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3105 let mut index = 0;
3106 s.move_cursors_with(|map, _, _| {
3107 let row = rows[index];
3108 index += 1;
3109
3110 let point = Point::new(row, 0);
3111 let boundary = map.next_line_boundary(point).1;
3112 let clipped = map.clip_point(boundary, Bias::Left);
3113
3114 (clipped, SelectionGoal::None)
3115 });
3116 });
3117
3118 let mut indent_edits = Vec::new();
3119 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3120 for row in rows {
3121 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3122 for (row, indent) in indents {
3123 if indent.len == 0 {
3124 continue;
3125 }
3126
3127 let text = match indent.kind {
3128 IndentKind::Space => " ".repeat(indent.len as usize),
3129 IndentKind::Tab => "\t".repeat(indent.len as usize),
3130 };
3131 let point = Point::new(row.0, 0);
3132 indent_edits.push((point..point, text));
3133 }
3134 }
3135 editor.edit(indent_edits, cx);
3136 });
3137 }
3138
3139 pub fn newline_below(&mut self, _: &NewlineBelow, cx: &mut ViewContext<Self>) {
3140 let buffer = self.buffer.read(cx);
3141 let snapshot = buffer.snapshot(cx);
3142
3143 let mut edits = Vec::new();
3144 let mut rows = Vec::new();
3145 let mut rows_inserted = 0;
3146
3147 for selection in self.selections.all_adjusted(cx) {
3148 let cursor = selection.head();
3149 let row = cursor.row;
3150
3151 let point = Point::new(row + 1, 0);
3152 let start_of_line = snapshot.clip_point(point, Bias::Left);
3153
3154 let newline = "\n".to_string();
3155 edits.push((start_of_line..start_of_line, newline));
3156
3157 rows_inserted += 1;
3158 rows.push(row + rows_inserted);
3159 }
3160
3161 self.transact(cx, |editor, cx| {
3162 editor.edit(edits, cx);
3163
3164 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3165 let mut index = 0;
3166 s.move_cursors_with(|map, _, _| {
3167 let row = rows[index];
3168 index += 1;
3169
3170 let point = Point::new(row, 0);
3171 let boundary = map.next_line_boundary(point).1;
3172 let clipped = map.clip_point(boundary, Bias::Left);
3173
3174 (clipped, SelectionGoal::None)
3175 });
3176 });
3177
3178 let mut indent_edits = Vec::new();
3179 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3180 for row in rows {
3181 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3182 for (row, indent) in indents {
3183 if indent.len == 0 {
3184 continue;
3185 }
3186
3187 let text = match indent.kind {
3188 IndentKind::Space => " ".repeat(indent.len as usize),
3189 IndentKind::Tab => "\t".repeat(indent.len as usize),
3190 };
3191 let point = Point::new(row.0, 0);
3192 indent_edits.push((point..point, text));
3193 }
3194 }
3195 editor.edit(indent_edits, cx);
3196 });
3197 }
3198
3199 pub fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3200 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3201 original_indent_columns: Vec::new(),
3202 });
3203 self.insert_with_autoindent_mode(text, autoindent, cx);
3204 }
3205
3206 fn insert_with_autoindent_mode(
3207 &mut self,
3208 text: &str,
3209 autoindent_mode: Option<AutoindentMode>,
3210 cx: &mut ViewContext<Self>,
3211 ) {
3212 if self.read_only(cx) {
3213 return;
3214 }
3215
3216 let text: Arc<str> = text.into();
3217 self.transact(cx, |this, cx| {
3218 let old_selections = this.selections.all_adjusted(cx);
3219 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3220 let anchors = {
3221 let snapshot = buffer.read(cx);
3222 old_selections
3223 .iter()
3224 .map(|s| {
3225 let anchor = snapshot.anchor_after(s.head());
3226 s.map(|_| anchor)
3227 })
3228 .collect::<Vec<_>>()
3229 };
3230 buffer.edit(
3231 old_selections
3232 .iter()
3233 .map(|s| (s.start..s.end, text.clone())),
3234 autoindent_mode,
3235 cx,
3236 );
3237 anchors
3238 });
3239
3240 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
3241 s.select_anchors(selection_anchors);
3242 })
3243 });
3244 }
3245
3246 fn trigger_completion_on_input(
3247 &mut self,
3248 text: &str,
3249 trigger_in_words: bool,
3250 cx: &mut ViewContext<Self>,
3251 ) {
3252 if self.is_completion_trigger(text, trigger_in_words, cx) {
3253 self.show_completions(
3254 &ShowCompletions {
3255 trigger: Some(text.to_owned()).filter(|x| !x.is_empty()),
3256 },
3257 cx,
3258 );
3259 } else {
3260 self.hide_context_menu(cx);
3261 }
3262 }
3263
3264 fn is_completion_trigger(
3265 &self,
3266 text: &str,
3267 trigger_in_words: bool,
3268 cx: &mut ViewContext<Self>,
3269 ) -> bool {
3270 let position = self.selections.newest_anchor().head();
3271 let multibuffer = self.buffer.read(cx);
3272 let Some(buffer) = position
3273 .buffer_id
3274 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3275 else {
3276 return false;
3277 };
3278
3279 if let Some(completion_provider) = &self.completion_provider {
3280 completion_provider.is_completion_trigger(
3281 &buffer,
3282 position.text_anchor,
3283 text,
3284 trigger_in_words,
3285 cx,
3286 )
3287 } else {
3288 false
3289 }
3290 }
3291
3292 /// If any empty selections is touching the start of its innermost containing autoclose
3293 /// region, expand it to select the brackets.
3294 fn select_autoclose_pair(&mut self, cx: &mut ViewContext<Self>) {
3295 let selections = self.selections.all::<usize>(cx);
3296 let buffer = self.buffer.read(cx).read(cx);
3297 let new_selections = self
3298 .selections_with_autoclose_regions(selections, &buffer)
3299 .map(|(mut selection, region)| {
3300 if !selection.is_empty() {
3301 return selection;
3302 }
3303
3304 if let Some(region) = region {
3305 let mut range = region.range.to_offset(&buffer);
3306 if selection.start == range.start && range.start >= region.pair.start.len() {
3307 range.start -= region.pair.start.len();
3308 if buffer.contains_str_at(range.start, ®ion.pair.start)
3309 && buffer.contains_str_at(range.end, ®ion.pair.end)
3310 {
3311 range.end += region.pair.end.len();
3312 selection.start = range.start;
3313 selection.end = range.end;
3314
3315 return selection;
3316 }
3317 }
3318 }
3319
3320 let always_treat_brackets_as_autoclosed = buffer
3321 .settings_at(selection.start, cx)
3322 .always_treat_brackets_as_autoclosed;
3323
3324 if !always_treat_brackets_as_autoclosed {
3325 return selection;
3326 }
3327
3328 if let Some(scope) = buffer.language_scope_at(selection.start) {
3329 for (pair, enabled) in scope.brackets() {
3330 if !enabled || !pair.close {
3331 continue;
3332 }
3333
3334 if buffer.contains_str_at(selection.start, &pair.end) {
3335 let pair_start_len = pair.start.len();
3336 if buffer.contains_str_at(
3337 selection.start.saturating_sub(pair_start_len),
3338 &pair.start,
3339 ) {
3340 selection.start -= pair_start_len;
3341 selection.end += pair.end.len();
3342
3343 return selection;
3344 }
3345 }
3346 }
3347 }
3348
3349 selection
3350 })
3351 .collect();
3352
3353 drop(buffer);
3354 self.change_selections(None, cx, |selections| selections.select(new_selections));
3355 }
3356
3357 /// Iterate the given selections, and for each one, find the smallest surrounding
3358 /// autoclose region. This uses the ordering of the selections and the autoclose
3359 /// regions to avoid repeated comparisons.
3360 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3361 &'a self,
3362 selections: impl IntoIterator<Item = Selection<D>>,
3363 buffer: &'a MultiBufferSnapshot,
3364 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3365 let mut i = 0;
3366 let mut regions = self.autoclose_regions.as_slice();
3367 selections.into_iter().map(move |selection| {
3368 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3369
3370 let mut enclosing = None;
3371 while let Some(pair_state) = regions.get(i) {
3372 if pair_state.range.end.to_offset(buffer) < range.start {
3373 regions = ®ions[i + 1..];
3374 i = 0;
3375 } else if pair_state.range.start.to_offset(buffer) > range.end {
3376 break;
3377 } else {
3378 if pair_state.selection_id == selection.id {
3379 enclosing = Some(pair_state);
3380 }
3381 i += 1;
3382 }
3383 }
3384
3385 (selection, enclosing)
3386 })
3387 }
3388
3389 /// Remove any autoclose regions that no longer contain their selection.
3390 fn invalidate_autoclose_regions(
3391 &mut self,
3392 mut selections: &[Selection<Anchor>],
3393 buffer: &MultiBufferSnapshot,
3394 ) {
3395 self.autoclose_regions.retain(|state| {
3396 let mut i = 0;
3397 while let Some(selection) = selections.get(i) {
3398 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3399 selections = &selections[1..];
3400 continue;
3401 }
3402 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3403 break;
3404 }
3405 if selection.id == state.selection_id {
3406 return true;
3407 } else {
3408 i += 1;
3409 }
3410 }
3411 false
3412 });
3413 }
3414
3415 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3416 let offset = position.to_offset(buffer);
3417 let (word_range, kind) = buffer.surrounding_word(offset, true);
3418 if offset > word_range.start && kind == Some(CharKind::Word) {
3419 Some(
3420 buffer
3421 .text_for_range(word_range.start..offset)
3422 .collect::<String>(),
3423 )
3424 } else {
3425 None
3426 }
3427 }
3428
3429 pub fn toggle_inlay_hints(&mut self, _: &ToggleInlayHints, cx: &mut ViewContext<Self>) {
3430 self.refresh_inlay_hints(
3431 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3432 cx,
3433 );
3434 }
3435
3436 pub fn inlay_hints_enabled(&self) -> bool {
3437 self.inlay_hint_cache.enabled
3438 }
3439
3440 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut ViewContext<Self>) {
3441 if self.semantics_provider.is_none() || self.mode != EditorMode::Full {
3442 return;
3443 }
3444
3445 let reason_description = reason.description();
3446 let ignore_debounce = matches!(
3447 reason,
3448 InlayHintRefreshReason::SettingsChange(_)
3449 | InlayHintRefreshReason::Toggle(_)
3450 | InlayHintRefreshReason::ExcerptsRemoved(_)
3451 );
3452 let (invalidate_cache, required_languages) = match reason {
3453 InlayHintRefreshReason::Toggle(enabled) => {
3454 self.inlay_hint_cache.enabled = enabled;
3455 if enabled {
3456 (InvalidationStrategy::RefreshRequested, None)
3457 } else {
3458 self.inlay_hint_cache.clear();
3459 self.splice_inlays(
3460 self.visible_inlay_hints(cx)
3461 .iter()
3462 .map(|inlay| inlay.id)
3463 .collect(),
3464 Vec::new(),
3465 cx,
3466 );
3467 return;
3468 }
3469 }
3470 InlayHintRefreshReason::SettingsChange(new_settings) => {
3471 match self.inlay_hint_cache.update_settings(
3472 &self.buffer,
3473 new_settings,
3474 self.visible_inlay_hints(cx),
3475 cx,
3476 ) {
3477 ControlFlow::Break(Some(InlaySplice {
3478 to_remove,
3479 to_insert,
3480 })) => {
3481 self.splice_inlays(to_remove, to_insert, cx);
3482 return;
3483 }
3484 ControlFlow::Break(None) => return,
3485 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3486 }
3487 }
3488 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3489 if let Some(InlaySplice {
3490 to_remove,
3491 to_insert,
3492 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3493 {
3494 self.splice_inlays(to_remove, to_insert, cx);
3495 }
3496 return;
3497 }
3498 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3499 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3500 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3501 }
3502 InlayHintRefreshReason::RefreshRequested => {
3503 (InvalidationStrategy::RefreshRequested, None)
3504 }
3505 };
3506
3507 if let Some(InlaySplice {
3508 to_remove,
3509 to_insert,
3510 }) = self.inlay_hint_cache.spawn_hint_refresh(
3511 reason_description,
3512 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3513 invalidate_cache,
3514 ignore_debounce,
3515 cx,
3516 ) {
3517 self.splice_inlays(to_remove, to_insert, cx);
3518 }
3519 }
3520
3521 fn visible_inlay_hints(&self, cx: &ViewContext<Editor>) -> Vec<Inlay> {
3522 self.display_map
3523 .read(cx)
3524 .current_inlays()
3525 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3526 .cloned()
3527 .collect()
3528 }
3529
3530 pub fn excerpts_for_inlay_hints_query(
3531 &self,
3532 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3533 cx: &mut ViewContext<Editor>,
3534 ) -> HashMap<ExcerptId, (Model<Buffer>, clock::Global, Range<usize>)> {
3535 let Some(project) = self.project.as_ref() else {
3536 return HashMap::default();
3537 };
3538 let project = project.read(cx);
3539 let multi_buffer = self.buffer().read(cx);
3540 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3541 let multi_buffer_visible_start = self
3542 .scroll_manager
3543 .anchor()
3544 .anchor
3545 .to_point(&multi_buffer_snapshot);
3546 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3547 multi_buffer_visible_start
3548 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3549 Bias::Left,
3550 );
3551 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3552 multi_buffer
3553 .range_to_buffer_ranges(multi_buffer_visible_range, cx)
3554 .into_iter()
3555 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3556 .filter_map(|(buffer_handle, excerpt_visible_range, excerpt_id)| {
3557 let buffer = buffer_handle.read(cx);
3558 let buffer_file = project::File::from_dyn(buffer.file())?;
3559 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3560 let worktree_entry = buffer_worktree
3561 .read(cx)
3562 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3563 if worktree_entry.is_ignored {
3564 return None;
3565 }
3566
3567 let language = buffer.language()?;
3568 if let Some(restrict_to_languages) = restrict_to_languages {
3569 if !restrict_to_languages.contains(language) {
3570 return None;
3571 }
3572 }
3573 Some((
3574 excerpt_id,
3575 (
3576 buffer_handle,
3577 buffer.version().clone(),
3578 excerpt_visible_range,
3579 ),
3580 ))
3581 })
3582 .collect()
3583 }
3584
3585 pub fn text_layout_details(&self, cx: &WindowContext) -> TextLayoutDetails {
3586 TextLayoutDetails {
3587 text_system: cx.text_system().clone(),
3588 editor_style: self.style.clone().unwrap(),
3589 rem_size: cx.rem_size(),
3590 scroll_anchor: self.scroll_manager.anchor(),
3591 visible_rows: self.visible_line_count(),
3592 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3593 }
3594 }
3595
3596 fn splice_inlays(
3597 &self,
3598 to_remove: Vec<InlayId>,
3599 to_insert: Vec<Inlay>,
3600 cx: &mut ViewContext<Self>,
3601 ) {
3602 self.display_map.update(cx, |display_map, cx| {
3603 display_map.splice_inlays(to_remove, to_insert, cx)
3604 });
3605 cx.notify();
3606 }
3607
3608 fn trigger_on_type_formatting(
3609 &self,
3610 input: String,
3611 cx: &mut ViewContext<Self>,
3612 ) -> Option<Task<Result<()>>> {
3613 if input.len() != 1 {
3614 return None;
3615 }
3616
3617 let project = self.project.as_ref()?;
3618 let position = self.selections.newest_anchor().head();
3619 let (buffer, buffer_position) = self
3620 .buffer
3621 .read(cx)
3622 .text_anchor_for_position(position, cx)?;
3623
3624 let settings = language_settings::language_settings(
3625 buffer
3626 .read(cx)
3627 .language_at(buffer_position)
3628 .map(|l| l.name()),
3629 buffer.read(cx).file(),
3630 cx,
3631 );
3632 if !settings.use_on_type_format {
3633 return None;
3634 }
3635
3636 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3637 // hence we do LSP request & edit on host side only — add formats to host's history.
3638 let push_to_lsp_host_history = true;
3639 // If this is not the host, append its history with new edits.
3640 let push_to_client_history = project.read(cx).is_via_collab();
3641
3642 let on_type_formatting = project.update(cx, |project, cx| {
3643 project.on_type_format(
3644 buffer.clone(),
3645 buffer_position,
3646 input,
3647 push_to_lsp_host_history,
3648 cx,
3649 )
3650 });
3651 Some(cx.spawn(|editor, mut cx| async move {
3652 if let Some(transaction) = on_type_formatting.await? {
3653 if push_to_client_history {
3654 buffer
3655 .update(&mut cx, |buffer, _| {
3656 buffer.push_transaction(transaction, Instant::now());
3657 })
3658 .ok();
3659 }
3660 editor.update(&mut cx, |editor, cx| {
3661 editor.refresh_document_highlights(cx);
3662 })?;
3663 }
3664 Ok(())
3665 }))
3666 }
3667
3668 pub fn show_completions(&mut self, options: &ShowCompletions, cx: &mut ViewContext<Self>) {
3669 if self.pending_rename.is_some() {
3670 return;
3671 }
3672
3673 let Some(provider) = self.completion_provider.as_ref() else {
3674 return;
3675 };
3676
3677 if !self.snippet_stack.is_empty() && self.context_menu.borrow().as_ref().is_some() {
3678 return;
3679 }
3680
3681 let position = self.selections.newest_anchor().head();
3682 let (buffer, buffer_position) =
3683 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3684 output
3685 } else {
3686 return;
3687 };
3688 let show_completion_documentation = buffer
3689 .read(cx)
3690 .snapshot()
3691 .settings_at(buffer_position, cx)
3692 .show_completion_documentation;
3693
3694 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3695
3696 let trigger_kind = match &options.trigger {
3697 Some(trigger) if buffer.read(cx).completion_triggers().contains(trigger) => {
3698 CompletionTriggerKind::TRIGGER_CHARACTER
3699 }
3700 _ => CompletionTriggerKind::INVOKED,
3701 };
3702 let completion_context = CompletionContext {
3703 trigger_character: options.trigger.as_ref().and_then(|trigger| {
3704 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3705 Some(String::from(trigger))
3706 } else {
3707 None
3708 }
3709 }),
3710 trigger_kind,
3711 };
3712 let completions = provider.completions(&buffer, buffer_position, completion_context, cx);
3713 let sort_completions = provider.sort_completions();
3714
3715 let id = post_inc(&mut self.next_completion_id);
3716 let task = cx.spawn(|editor, mut cx| {
3717 async move {
3718 editor.update(&mut cx, |this, _| {
3719 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3720 })?;
3721 let completions = completions.await.log_err();
3722 let menu = if let Some(completions) = completions {
3723 let mut menu = CompletionsMenu::new(
3724 id,
3725 sort_completions,
3726 show_completion_documentation,
3727 position,
3728 buffer.clone(),
3729 completions.into(),
3730 );
3731
3732 menu.filter(query.as_deref(), cx.background_executor().clone())
3733 .await;
3734
3735 menu.visible().then_some(menu)
3736 } else {
3737 None
3738 };
3739
3740 editor.update(&mut cx, |editor, cx| {
3741 match editor.context_menu.borrow().as_ref() {
3742 None => {}
3743 Some(CodeContextMenu::Completions(prev_menu)) => {
3744 if prev_menu.id > id {
3745 return;
3746 }
3747 }
3748 _ => return,
3749 }
3750
3751 if editor.focus_handle.is_focused(cx) && menu.is_some() {
3752 let mut menu = menu.unwrap();
3753 menu.resolve_visible_completions(editor.completion_provider.as_deref(), cx);
3754
3755 if editor.show_inline_completions_in_menu(cx) {
3756 if let Some(hint) = editor.inline_completion_menu_hint(cx) {
3757 menu.show_inline_completion_hint(hint);
3758 }
3759 } else {
3760 editor.discard_inline_completion(false, cx);
3761 }
3762
3763 *editor.context_menu.borrow_mut() =
3764 Some(CodeContextMenu::Completions(menu));
3765
3766 cx.notify();
3767 } else if editor.completion_tasks.len() <= 1 {
3768 // If there are no more completion tasks and the last menu was
3769 // empty, we should hide it.
3770 let was_hidden = editor.hide_context_menu(cx).is_none();
3771 // If it was already hidden and we don't show inline
3772 // completions in the menu, we should also show the
3773 // inline-completion when available.
3774 if was_hidden && editor.show_inline_completions_in_menu(cx) {
3775 editor.update_visible_inline_completion(cx);
3776 }
3777 }
3778 })?;
3779
3780 Ok::<_, anyhow::Error>(())
3781 }
3782 .log_err()
3783 });
3784
3785 self.completion_tasks.push((id, task));
3786 }
3787
3788 pub fn confirm_completion(
3789 &mut self,
3790 action: &ConfirmCompletion,
3791 cx: &mut ViewContext<Self>,
3792 ) -> Option<Task<Result<()>>> {
3793 self.do_completion(action.item_ix, CompletionIntent::Complete, cx)
3794 }
3795
3796 pub fn compose_completion(
3797 &mut self,
3798 action: &ComposeCompletion,
3799 cx: &mut ViewContext<Self>,
3800 ) -> Option<Task<Result<()>>> {
3801 self.do_completion(action.item_ix, CompletionIntent::Compose, cx)
3802 }
3803
3804 fn do_completion(
3805 &mut self,
3806 item_ix: Option<usize>,
3807 intent: CompletionIntent,
3808 cx: &mut ViewContext<Editor>,
3809 ) -> Option<Task<std::result::Result<(), anyhow::Error>>> {
3810 use language::ToOffset as _;
3811
3812 let completions_menu =
3813 if let CodeContextMenu::Completions(menu) = self.hide_context_menu(cx)? {
3814 menu
3815 } else {
3816 return None;
3817 };
3818
3819 let mat = completions_menu
3820 .entries
3821 .get(item_ix.unwrap_or(completions_menu.selected_item))?;
3822
3823 let mat = match mat {
3824 CompletionEntry::InlineCompletionHint { .. } => {
3825 self.accept_inline_completion(&AcceptInlineCompletion, cx);
3826 cx.stop_propagation();
3827 return Some(Task::ready(Ok(())));
3828 }
3829 CompletionEntry::Match(mat) => {
3830 if self.show_inline_completions_in_menu(cx) {
3831 self.discard_inline_completion(true, cx);
3832 }
3833 mat
3834 }
3835 };
3836
3837 let buffer_handle = completions_menu.buffer;
3838 let completion = completions_menu
3839 .completions
3840 .borrow()
3841 .get(mat.candidate_id)?
3842 .clone();
3843 cx.stop_propagation();
3844
3845 let snippet;
3846 let text;
3847
3848 if completion.is_snippet() {
3849 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
3850 text = snippet.as_ref().unwrap().text.clone();
3851 } else {
3852 snippet = None;
3853 text = completion.new_text.clone();
3854 };
3855 let selections = self.selections.all::<usize>(cx);
3856 let buffer = buffer_handle.read(cx);
3857 let old_range = completion.old_range.to_offset(buffer);
3858 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
3859
3860 let newest_selection = self.selections.newest_anchor();
3861 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
3862 return None;
3863 }
3864
3865 let lookbehind = newest_selection
3866 .start
3867 .text_anchor
3868 .to_offset(buffer)
3869 .saturating_sub(old_range.start);
3870 let lookahead = old_range
3871 .end
3872 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
3873 let mut common_prefix_len = old_text
3874 .bytes()
3875 .zip(text.bytes())
3876 .take_while(|(a, b)| a == b)
3877 .count();
3878
3879 let snapshot = self.buffer.read(cx).snapshot(cx);
3880 let mut range_to_replace: Option<Range<isize>> = None;
3881 let mut ranges = Vec::new();
3882 let mut linked_edits = HashMap::<_, Vec<_>>::default();
3883 for selection in &selections {
3884 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
3885 let start = selection.start.saturating_sub(lookbehind);
3886 let end = selection.end + lookahead;
3887 if selection.id == newest_selection.id {
3888 range_to_replace = Some(
3889 ((start + common_prefix_len) as isize - selection.start as isize)
3890 ..(end as isize - selection.start as isize),
3891 );
3892 }
3893 ranges.push(start + common_prefix_len..end);
3894 } else {
3895 common_prefix_len = 0;
3896 ranges.clear();
3897 ranges.extend(selections.iter().map(|s| {
3898 if s.id == newest_selection.id {
3899 range_to_replace = Some(
3900 old_range.start.to_offset_utf16(&snapshot).0 as isize
3901 - selection.start as isize
3902 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
3903 - selection.start as isize,
3904 );
3905 old_range.clone()
3906 } else {
3907 s.start..s.end
3908 }
3909 }));
3910 break;
3911 }
3912 if !self.linked_edit_ranges.is_empty() {
3913 let start_anchor = snapshot.anchor_before(selection.head());
3914 let end_anchor = snapshot.anchor_after(selection.tail());
3915 if let Some(ranges) = self
3916 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
3917 {
3918 for (buffer, edits) in ranges {
3919 linked_edits.entry(buffer.clone()).or_default().extend(
3920 edits
3921 .into_iter()
3922 .map(|range| (range, text[common_prefix_len..].to_owned())),
3923 );
3924 }
3925 }
3926 }
3927 }
3928 let text = &text[common_prefix_len..];
3929
3930 cx.emit(EditorEvent::InputHandled {
3931 utf16_range_to_replace: range_to_replace,
3932 text: text.into(),
3933 });
3934
3935 self.transact(cx, |this, cx| {
3936 if let Some(mut snippet) = snippet {
3937 snippet.text = text.to_string();
3938 for tabstop in snippet
3939 .tabstops
3940 .iter_mut()
3941 .flat_map(|tabstop| tabstop.ranges.iter_mut())
3942 {
3943 tabstop.start -= common_prefix_len as isize;
3944 tabstop.end -= common_prefix_len as isize;
3945 }
3946
3947 this.insert_snippet(&ranges, snippet, cx).log_err();
3948 } else {
3949 this.buffer.update(cx, |buffer, cx| {
3950 buffer.edit(
3951 ranges.iter().map(|range| (range.clone(), text)),
3952 this.autoindent_mode.clone(),
3953 cx,
3954 );
3955 });
3956 }
3957 for (buffer, edits) in linked_edits {
3958 buffer.update(cx, |buffer, cx| {
3959 let snapshot = buffer.snapshot();
3960 let edits = edits
3961 .into_iter()
3962 .map(|(range, text)| {
3963 use text::ToPoint as TP;
3964 let end_point = TP::to_point(&range.end, &snapshot);
3965 let start_point = TP::to_point(&range.start, &snapshot);
3966 (start_point..end_point, text)
3967 })
3968 .sorted_by_key(|(range, _)| range.start)
3969 .collect::<Vec<_>>();
3970 buffer.edit(edits, None, cx);
3971 })
3972 }
3973
3974 this.refresh_inline_completion(true, false, cx);
3975 });
3976
3977 let show_new_completions_on_confirm = completion
3978 .confirm
3979 .as_ref()
3980 .map_or(false, |confirm| confirm(intent, cx));
3981 if show_new_completions_on_confirm {
3982 self.show_completions(&ShowCompletions { trigger: None }, cx);
3983 }
3984
3985 let provider = self.completion_provider.as_ref()?;
3986 drop(completion);
3987 let apply_edits = provider.apply_additional_edits_for_completion(
3988 buffer_handle,
3989 completions_menu.completions.clone(),
3990 mat.candidate_id,
3991 true,
3992 cx,
3993 );
3994
3995 let editor_settings = EditorSettings::get_global(cx);
3996 if editor_settings.show_signature_help_after_edits || editor_settings.auto_signature_help {
3997 // After the code completion is finished, users often want to know what signatures are needed.
3998 // so we should automatically call signature_help
3999 self.show_signature_help(&ShowSignatureHelp, cx);
4000 }
4001
4002 Some(cx.foreground_executor().spawn(async move {
4003 apply_edits.await?;
4004 Ok(())
4005 }))
4006 }
4007
4008 pub fn toggle_code_actions(&mut self, action: &ToggleCodeActions, cx: &mut ViewContext<Self>) {
4009 let mut context_menu = self.context_menu.borrow_mut();
4010 if let Some(CodeContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4011 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4012 // Toggle if we're selecting the same one
4013 *context_menu = None;
4014 cx.notify();
4015 return;
4016 } else {
4017 // Otherwise, clear it and start a new one
4018 *context_menu = None;
4019 cx.notify();
4020 }
4021 }
4022 drop(context_menu);
4023 let snapshot = self.snapshot(cx);
4024 let deployed_from_indicator = action.deployed_from_indicator;
4025 let mut task = self.code_actions_task.take();
4026 let action = action.clone();
4027 cx.spawn(|editor, mut cx| async move {
4028 while let Some(prev_task) = task {
4029 prev_task.await.log_err();
4030 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4031 }
4032
4033 let spawned_test_task = editor.update(&mut cx, |editor, cx| {
4034 if editor.focus_handle.is_focused(cx) {
4035 let multibuffer_point = action
4036 .deployed_from_indicator
4037 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4038 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4039 let (buffer, buffer_row) = snapshot
4040 .buffer_snapshot
4041 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4042 .and_then(|(buffer_snapshot, range)| {
4043 editor
4044 .buffer
4045 .read(cx)
4046 .buffer(buffer_snapshot.remote_id())
4047 .map(|buffer| (buffer, range.start.row))
4048 })?;
4049 let (_, code_actions) = editor
4050 .available_code_actions
4051 .clone()
4052 .and_then(|(location, code_actions)| {
4053 let snapshot = location.buffer.read(cx).snapshot();
4054 let point_range = location.range.to_point(&snapshot);
4055 let point_range = point_range.start.row..=point_range.end.row;
4056 if point_range.contains(&buffer_row) {
4057 Some((location, code_actions))
4058 } else {
4059 None
4060 }
4061 })
4062 .unzip();
4063 let buffer_id = buffer.read(cx).remote_id();
4064 let tasks = editor
4065 .tasks
4066 .get(&(buffer_id, buffer_row))
4067 .map(|t| Arc::new(t.to_owned()));
4068 if tasks.is_none() && code_actions.is_none() {
4069 return None;
4070 }
4071
4072 editor.completion_tasks.clear();
4073 editor.discard_inline_completion(false, cx);
4074 let task_context =
4075 tasks
4076 .as_ref()
4077 .zip(editor.project.clone())
4078 .map(|(tasks, project)| {
4079 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
4080 });
4081
4082 Some(cx.spawn(|editor, mut cx| async move {
4083 let task_context = match task_context {
4084 Some(task_context) => task_context.await,
4085 None => None,
4086 };
4087 let resolved_tasks =
4088 tasks.zip(task_context).map(|(tasks, task_context)| {
4089 Rc::new(ResolvedTasks {
4090 templates: tasks.resolve(&task_context).collect(),
4091 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4092 multibuffer_point.row,
4093 tasks.column,
4094 )),
4095 })
4096 });
4097 let spawn_straight_away = resolved_tasks
4098 .as_ref()
4099 .map_or(false, |tasks| tasks.templates.len() == 1)
4100 && code_actions
4101 .as_ref()
4102 .map_or(true, |actions| actions.is_empty());
4103 if let Ok(task) = editor.update(&mut cx, |editor, cx| {
4104 *editor.context_menu.borrow_mut() =
4105 Some(CodeContextMenu::CodeActions(CodeActionsMenu {
4106 buffer,
4107 actions: CodeActionContents {
4108 tasks: resolved_tasks,
4109 actions: code_actions,
4110 },
4111 selected_item: Default::default(),
4112 scroll_handle: UniformListScrollHandle::default(),
4113 deployed_from_indicator,
4114 }));
4115 if spawn_straight_away {
4116 if let Some(task) = editor.confirm_code_action(
4117 &ConfirmCodeAction { item_ix: Some(0) },
4118 cx,
4119 ) {
4120 cx.notify();
4121 return task;
4122 }
4123 }
4124 cx.notify();
4125 Task::ready(Ok(()))
4126 }) {
4127 task.await
4128 } else {
4129 Ok(())
4130 }
4131 }))
4132 } else {
4133 Some(Task::ready(Ok(())))
4134 }
4135 })?;
4136 if let Some(task) = spawned_test_task {
4137 task.await?;
4138 }
4139
4140 Ok::<_, anyhow::Error>(())
4141 })
4142 .detach_and_log_err(cx);
4143 }
4144
4145 pub fn confirm_code_action(
4146 &mut self,
4147 action: &ConfirmCodeAction,
4148 cx: &mut ViewContext<Self>,
4149 ) -> Option<Task<Result<()>>> {
4150 let actions_menu = if let CodeContextMenu::CodeActions(menu) = self.hide_context_menu(cx)? {
4151 menu
4152 } else {
4153 return None;
4154 };
4155 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4156 let action = actions_menu.actions.get(action_ix)?;
4157 let title = action.label();
4158 let buffer = actions_menu.buffer;
4159 let workspace = self.workspace()?;
4160
4161 match action {
4162 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4163 workspace.update(cx, |workspace, cx| {
4164 workspace::tasks::schedule_resolved_task(
4165 workspace,
4166 task_source_kind,
4167 resolved_task,
4168 false,
4169 cx,
4170 );
4171
4172 Some(Task::ready(Ok(())))
4173 })
4174 }
4175 CodeActionsItem::CodeAction {
4176 excerpt_id,
4177 action,
4178 provider,
4179 } => {
4180 let apply_code_action =
4181 provider.apply_code_action(buffer, action, excerpt_id, true, cx);
4182 let workspace = workspace.downgrade();
4183 Some(cx.spawn(|editor, cx| async move {
4184 let project_transaction = apply_code_action.await?;
4185 Self::open_project_transaction(
4186 &editor,
4187 workspace,
4188 project_transaction,
4189 title,
4190 cx,
4191 )
4192 .await
4193 }))
4194 }
4195 }
4196 }
4197
4198 pub async fn open_project_transaction(
4199 this: &WeakView<Editor>,
4200 workspace: WeakView<Workspace>,
4201 transaction: ProjectTransaction,
4202 title: String,
4203 mut cx: AsyncWindowContext,
4204 ) -> Result<()> {
4205 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4206 cx.update(|cx| {
4207 entries.sort_unstable_by_key(|(buffer, _)| {
4208 buffer.read(cx).file().map(|f| f.path().clone())
4209 });
4210 })?;
4211
4212 // If the project transaction's edits are all contained within this editor, then
4213 // avoid opening a new editor to display them.
4214
4215 if let Some((buffer, transaction)) = entries.first() {
4216 if entries.len() == 1 {
4217 let excerpt = this.update(&mut cx, |editor, cx| {
4218 editor
4219 .buffer()
4220 .read(cx)
4221 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4222 })?;
4223 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4224 if excerpted_buffer == *buffer {
4225 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4226 let excerpt_range = excerpt_range.to_offset(buffer);
4227 buffer
4228 .edited_ranges_for_transaction::<usize>(transaction)
4229 .all(|range| {
4230 excerpt_range.start <= range.start
4231 && excerpt_range.end >= range.end
4232 })
4233 })?;
4234
4235 if all_edits_within_excerpt {
4236 return Ok(());
4237 }
4238 }
4239 }
4240 }
4241 } else {
4242 return Ok(());
4243 }
4244
4245 let mut ranges_to_highlight = Vec::new();
4246 let excerpt_buffer = cx.new_model(|cx| {
4247 let mut multibuffer = MultiBuffer::new(Capability::ReadWrite).with_title(title);
4248 for (buffer_handle, transaction) in &entries {
4249 let buffer = buffer_handle.read(cx);
4250 ranges_to_highlight.extend(
4251 multibuffer.push_excerpts_with_context_lines(
4252 buffer_handle.clone(),
4253 buffer
4254 .edited_ranges_for_transaction::<usize>(transaction)
4255 .collect(),
4256 DEFAULT_MULTIBUFFER_CONTEXT,
4257 cx,
4258 ),
4259 );
4260 }
4261 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4262 multibuffer
4263 })?;
4264
4265 workspace.update(&mut cx, |workspace, cx| {
4266 let project = workspace.project().clone();
4267 let editor =
4268 cx.new_view(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, cx));
4269 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, true, cx);
4270 editor.update(cx, |editor, cx| {
4271 editor.highlight_background::<Self>(
4272 &ranges_to_highlight,
4273 |theme| theme.editor_highlighted_line_background,
4274 cx,
4275 );
4276 });
4277 })?;
4278
4279 Ok(())
4280 }
4281
4282 pub fn clear_code_action_providers(&mut self) {
4283 self.code_action_providers.clear();
4284 self.available_code_actions.take();
4285 }
4286
4287 pub fn push_code_action_provider(
4288 &mut self,
4289 provider: Rc<dyn CodeActionProvider>,
4290 cx: &mut ViewContext<Self>,
4291 ) {
4292 self.code_action_providers.push(provider);
4293 self.refresh_code_actions(cx);
4294 }
4295
4296 fn refresh_code_actions(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
4297 let buffer = self.buffer.read(cx);
4298 let newest_selection = self.selections.newest_anchor().clone();
4299 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4300 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4301 if start_buffer != end_buffer {
4302 return None;
4303 }
4304
4305 self.code_actions_task = Some(cx.spawn(|this, mut cx| async move {
4306 cx.background_executor()
4307 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4308 .await;
4309
4310 let (providers, tasks) = this.update(&mut cx, |this, cx| {
4311 let providers = this.code_action_providers.clone();
4312 let tasks = this
4313 .code_action_providers
4314 .iter()
4315 .map(|provider| provider.code_actions(&start_buffer, start..end, cx))
4316 .collect::<Vec<_>>();
4317 (providers, tasks)
4318 })?;
4319
4320 let mut actions = Vec::new();
4321 for (provider, provider_actions) in
4322 providers.into_iter().zip(future::join_all(tasks).await)
4323 {
4324 if let Some(provider_actions) = provider_actions.log_err() {
4325 actions.extend(provider_actions.into_iter().map(|action| {
4326 AvailableCodeAction {
4327 excerpt_id: newest_selection.start.excerpt_id,
4328 action,
4329 provider: provider.clone(),
4330 }
4331 }));
4332 }
4333 }
4334
4335 this.update(&mut cx, |this, cx| {
4336 this.available_code_actions = if actions.is_empty() {
4337 None
4338 } else {
4339 Some((
4340 Location {
4341 buffer: start_buffer,
4342 range: start..end,
4343 },
4344 actions.into(),
4345 ))
4346 };
4347 cx.notify();
4348 })
4349 }));
4350 None
4351 }
4352
4353 fn start_inline_blame_timer(&mut self, cx: &mut ViewContext<Self>) {
4354 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4355 self.show_git_blame_inline = false;
4356
4357 self.show_git_blame_inline_delay_task = Some(cx.spawn(|this, mut cx| async move {
4358 cx.background_executor().timer(delay).await;
4359
4360 this.update(&mut cx, |this, cx| {
4361 this.show_git_blame_inline = true;
4362 cx.notify();
4363 })
4364 .log_err();
4365 }));
4366 }
4367 }
4368
4369 fn refresh_document_highlights(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
4370 if self.pending_rename.is_some() {
4371 return None;
4372 }
4373
4374 let provider = self.semantics_provider.clone()?;
4375 let buffer = self.buffer.read(cx);
4376 let newest_selection = self.selections.newest_anchor().clone();
4377 let cursor_position = newest_selection.head();
4378 let (cursor_buffer, cursor_buffer_position) =
4379 buffer.text_anchor_for_position(cursor_position, cx)?;
4380 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4381 if cursor_buffer != tail_buffer {
4382 return None;
4383 }
4384 let debounce = EditorSettings::get_global(cx).lsp_highlight_debounce;
4385 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4386 cx.background_executor()
4387 .timer(Duration::from_millis(debounce))
4388 .await;
4389
4390 let highlights = if let Some(highlights) = cx
4391 .update(|cx| {
4392 provider.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4393 })
4394 .ok()
4395 .flatten()
4396 {
4397 highlights.await.log_err()
4398 } else {
4399 None
4400 };
4401
4402 if let Some(highlights) = highlights {
4403 this.update(&mut cx, |this, cx| {
4404 if this.pending_rename.is_some() {
4405 return;
4406 }
4407
4408 let buffer_id = cursor_position.buffer_id;
4409 let buffer = this.buffer.read(cx);
4410 if !buffer
4411 .text_anchor_for_position(cursor_position, cx)
4412 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4413 {
4414 return;
4415 }
4416
4417 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4418 let mut write_ranges = Vec::new();
4419 let mut read_ranges = Vec::new();
4420 for highlight in highlights {
4421 for (excerpt_id, excerpt_range) in
4422 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4423 {
4424 let start = highlight
4425 .range
4426 .start
4427 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4428 let end = highlight
4429 .range
4430 .end
4431 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4432 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4433 continue;
4434 }
4435
4436 let range = Anchor {
4437 buffer_id,
4438 excerpt_id,
4439 text_anchor: start,
4440 }..Anchor {
4441 buffer_id,
4442 excerpt_id,
4443 text_anchor: end,
4444 };
4445 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4446 write_ranges.push(range);
4447 } else {
4448 read_ranges.push(range);
4449 }
4450 }
4451 }
4452
4453 this.highlight_background::<DocumentHighlightRead>(
4454 &read_ranges,
4455 |theme| theme.editor_document_highlight_read_background,
4456 cx,
4457 );
4458 this.highlight_background::<DocumentHighlightWrite>(
4459 &write_ranges,
4460 |theme| theme.editor_document_highlight_write_background,
4461 cx,
4462 );
4463 cx.notify();
4464 })
4465 .log_err();
4466 }
4467 }));
4468 None
4469 }
4470
4471 pub fn refresh_inline_completion(
4472 &mut self,
4473 debounce: bool,
4474 user_requested: bool,
4475 cx: &mut ViewContext<Self>,
4476 ) -> Option<()> {
4477 let provider = self.inline_completion_provider()?;
4478 let cursor = self.selections.newest_anchor().head();
4479 let (buffer, cursor_buffer_position) =
4480 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4481
4482 if !user_requested
4483 && (!self.enable_inline_completions
4484 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4485 || !self.is_focused(cx))
4486 {
4487 self.discard_inline_completion(false, cx);
4488 return None;
4489 }
4490
4491 self.update_visible_inline_completion(cx);
4492 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4493 Some(())
4494 }
4495
4496 fn cycle_inline_completion(
4497 &mut self,
4498 direction: Direction,
4499 cx: &mut ViewContext<Self>,
4500 ) -> Option<()> {
4501 let provider = self.inline_completion_provider()?;
4502 let cursor = self.selections.newest_anchor().head();
4503 let (buffer, cursor_buffer_position) =
4504 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4505 if !self.enable_inline_completions
4506 || !self.should_show_inline_completions(&buffer, cursor_buffer_position, cx)
4507 {
4508 return None;
4509 }
4510
4511 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4512 self.update_visible_inline_completion(cx);
4513
4514 Some(())
4515 }
4516
4517 pub fn show_inline_completion(&mut self, _: &ShowInlineCompletion, cx: &mut ViewContext<Self>) {
4518 if !self.has_active_inline_completion() {
4519 self.refresh_inline_completion(false, true, cx);
4520 return;
4521 }
4522
4523 self.update_visible_inline_completion(cx);
4524 }
4525
4526 pub fn display_cursor_names(&mut self, _: &DisplayCursorNames, cx: &mut ViewContext<Self>) {
4527 self.show_cursor_names(cx);
4528 }
4529
4530 fn show_cursor_names(&mut self, cx: &mut ViewContext<Self>) {
4531 self.show_cursor_names = true;
4532 cx.notify();
4533 cx.spawn(|this, mut cx| async move {
4534 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4535 this.update(&mut cx, |this, cx| {
4536 this.show_cursor_names = false;
4537 cx.notify()
4538 })
4539 .ok()
4540 })
4541 .detach();
4542 }
4543
4544 pub fn next_inline_completion(&mut self, _: &NextInlineCompletion, cx: &mut ViewContext<Self>) {
4545 if self.has_active_inline_completion() {
4546 self.cycle_inline_completion(Direction::Next, cx);
4547 } else {
4548 let is_copilot_disabled = self.refresh_inline_completion(false, true, cx).is_none();
4549 if is_copilot_disabled {
4550 cx.propagate();
4551 }
4552 }
4553 }
4554
4555 pub fn previous_inline_completion(
4556 &mut self,
4557 _: &PreviousInlineCompletion,
4558 cx: &mut ViewContext<Self>,
4559 ) {
4560 if self.has_active_inline_completion() {
4561 self.cycle_inline_completion(Direction::Prev, cx);
4562 } else {
4563 let is_copilot_disabled = self.refresh_inline_completion(false, true, cx).is_none();
4564 if is_copilot_disabled {
4565 cx.propagate();
4566 }
4567 }
4568 }
4569
4570 pub fn accept_inline_completion(
4571 &mut self,
4572 _: &AcceptInlineCompletion,
4573 cx: &mut ViewContext<Self>,
4574 ) {
4575 if self.show_inline_completions_in_menu(cx) {
4576 self.hide_context_menu(cx);
4577 }
4578
4579 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4580 return;
4581 };
4582
4583 self.report_inline_completion_event(true, cx);
4584
4585 match &active_inline_completion.completion {
4586 InlineCompletion::Move(position) => {
4587 let position = *position;
4588 self.change_selections(Some(Autoscroll::newest()), cx, |selections| {
4589 selections.select_anchor_ranges([position..position]);
4590 });
4591 }
4592 InlineCompletion::Edit(edits) => {
4593 if let Some(provider) = self.inline_completion_provider() {
4594 provider.accept(cx);
4595 }
4596
4597 let snapshot = self.buffer.read(cx).snapshot(cx);
4598 let last_edit_end = edits.last().unwrap().0.end.bias_right(&snapshot);
4599
4600 self.buffer.update(cx, |buffer, cx| {
4601 buffer.edit(edits.iter().cloned(), None, cx)
4602 });
4603
4604 self.change_selections(None, cx, |s| {
4605 s.select_anchor_ranges([last_edit_end..last_edit_end])
4606 });
4607
4608 self.update_visible_inline_completion(cx);
4609 if self.active_inline_completion.is_none() {
4610 self.refresh_inline_completion(true, true, cx);
4611 }
4612
4613 cx.notify();
4614 }
4615 }
4616 }
4617
4618 pub fn accept_partial_inline_completion(
4619 &mut self,
4620 _: &AcceptPartialInlineCompletion,
4621 cx: &mut ViewContext<Self>,
4622 ) {
4623 let Some(active_inline_completion) = self.active_inline_completion.as_ref() else {
4624 return;
4625 };
4626 if self.selections.count() != 1 {
4627 return;
4628 }
4629
4630 self.report_inline_completion_event(true, cx);
4631
4632 match &active_inline_completion.completion {
4633 InlineCompletion::Move(position) => {
4634 let position = *position;
4635 self.change_selections(Some(Autoscroll::newest()), cx, |selections| {
4636 selections.select_anchor_ranges([position..position]);
4637 });
4638 }
4639 InlineCompletion::Edit(edits) => {
4640 if edits.len() == 1 && edits[0].0.start == edits[0].0.end {
4641 let text = edits[0].1.as_str();
4642 let mut partial_completion = text
4643 .chars()
4644 .by_ref()
4645 .take_while(|c| c.is_alphabetic())
4646 .collect::<String>();
4647 if partial_completion.is_empty() {
4648 partial_completion = text
4649 .chars()
4650 .by_ref()
4651 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4652 .collect::<String>();
4653 }
4654
4655 cx.emit(EditorEvent::InputHandled {
4656 utf16_range_to_replace: None,
4657 text: partial_completion.clone().into(),
4658 });
4659
4660 self.insert_with_autoindent_mode(&partial_completion, None, cx);
4661
4662 self.refresh_inline_completion(true, true, cx);
4663 cx.notify();
4664 }
4665 }
4666 }
4667 }
4668
4669 fn discard_inline_completion(
4670 &mut self,
4671 should_report_inline_completion_event: bool,
4672 cx: &mut ViewContext<Self>,
4673 ) -> bool {
4674 if should_report_inline_completion_event {
4675 self.report_inline_completion_event(false, cx);
4676 }
4677
4678 if let Some(provider) = self.inline_completion_provider() {
4679 provider.discard(cx);
4680 }
4681
4682 self.take_active_inline_completion(cx).is_some()
4683 }
4684
4685 fn report_inline_completion_event(&self, accepted: bool, cx: &AppContext) {
4686 let Some(provider) = self.inline_completion_provider() else {
4687 return;
4688 };
4689 let Some(project) = self.project.as_ref() else {
4690 return;
4691 };
4692 let Some((_, buffer, _)) = self
4693 .buffer
4694 .read(cx)
4695 .excerpt_containing(self.selections.newest_anchor().head(), cx)
4696 else {
4697 return;
4698 };
4699
4700 let project = project.read(cx);
4701 let extension = buffer
4702 .read(cx)
4703 .file()
4704 .and_then(|file| Some(file.path().extension()?.to_string_lossy().to_string()));
4705 project.client().telemetry().report_inline_completion_event(
4706 provider.name().into(),
4707 accepted,
4708 extension,
4709 );
4710 }
4711
4712 pub fn has_active_inline_completion(&self) -> bool {
4713 self.active_inline_completion.is_some()
4714 }
4715
4716 fn take_active_inline_completion(
4717 &mut self,
4718 cx: &mut ViewContext<Self>,
4719 ) -> Option<InlineCompletion> {
4720 let active_inline_completion = self.active_inline_completion.take()?;
4721 self.splice_inlays(active_inline_completion.inlay_ids, Default::default(), cx);
4722 self.clear_highlights::<InlineCompletionHighlight>(cx);
4723 Some(active_inline_completion.completion)
4724 }
4725
4726 fn update_visible_inline_completion(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
4727 let selection = self.selections.newest_anchor();
4728 let cursor = selection.head();
4729 let multibuffer = self.buffer.read(cx).snapshot(cx);
4730 let offset_selection = selection.map(|endpoint| endpoint.to_offset(&multibuffer));
4731 let excerpt_id = cursor.excerpt_id;
4732
4733 let completions_menu_has_precedence = !self.show_inline_completions_in_menu(cx)
4734 && (self.context_menu.borrow().is_some()
4735 || (!self.completion_tasks.is_empty() && !self.has_active_inline_completion()));
4736 if completions_menu_has_precedence
4737 || !offset_selection.is_empty()
4738 || self
4739 .active_inline_completion
4740 .as_ref()
4741 .map_or(false, |completion| {
4742 let invalidation_range = completion.invalidation_range.to_offset(&multibuffer);
4743 let invalidation_range = invalidation_range.start..=invalidation_range.end;
4744 !invalidation_range.contains(&offset_selection.head())
4745 })
4746 {
4747 self.discard_inline_completion(false, cx);
4748 return None;
4749 }
4750
4751 self.take_active_inline_completion(cx);
4752 let provider = self.inline_completion_provider()?;
4753
4754 let (buffer, cursor_buffer_position) =
4755 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4756
4757 let completion = provider.suggest(&buffer, cursor_buffer_position, cx)?;
4758 let edits = completion
4759 .edits
4760 .into_iter()
4761 .flat_map(|(range, new_text)| {
4762 let start = multibuffer.anchor_in_excerpt(excerpt_id, range.start)?;
4763 let end = multibuffer.anchor_in_excerpt(excerpt_id, range.end)?;
4764 Some((start..end, new_text))
4765 })
4766 .collect::<Vec<_>>();
4767 if edits.is_empty() {
4768 return None;
4769 }
4770
4771 let first_edit_start = edits.first().unwrap().0.start;
4772 let edit_start_row = first_edit_start
4773 .to_point(&multibuffer)
4774 .row
4775 .saturating_sub(2);
4776
4777 let last_edit_end = edits.last().unwrap().0.end;
4778 let edit_end_row = cmp::min(
4779 multibuffer.max_point().row,
4780 last_edit_end.to_point(&multibuffer).row + 2,
4781 );
4782
4783 let cursor_row = cursor.to_point(&multibuffer).row;
4784
4785 let mut inlay_ids = Vec::new();
4786 let invalidation_row_range;
4787 let completion;
4788 if cursor_row < edit_start_row {
4789 invalidation_row_range = cursor_row..edit_end_row;
4790 completion = InlineCompletion::Move(first_edit_start);
4791 } else if cursor_row > edit_end_row {
4792 invalidation_row_range = edit_start_row..cursor_row;
4793 completion = InlineCompletion::Move(first_edit_start);
4794 } else {
4795 if edits
4796 .iter()
4797 .all(|(range, _)| range.to_offset(&multibuffer).is_empty())
4798 {
4799 let mut inlays = Vec::new();
4800 for (range, new_text) in &edits {
4801 let inlay = Inlay::inline_completion(
4802 post_inc(&mut self.next_inlay_id),
4803 range.start,
4804 new_text.as_str(),
4805 );
4806 inlay_ids.push(inlay.id);
4807 inlays.push(inlay);
4808 }
4809
4810 self.splice_inlays(vec![], inlays, cx);
4811 } else {
4812 let background_color = cx.theme().status().deleted_background;
4813 self.highlight_text::<InlineCompletionHighlight>(
4814 edits.iter().map(|(range, _)| range.clone()).collect(),
4815 HighlightStyle {
4816 background_color: Some(background_color),
4817 ..Default::default()
4818 },
4819 cx,
4820 );
4821 }
4822
4823 invalidation_row_range = edit_start_row..edit_end_row;
4824 completion = InlineCompletion::Edit(edits);
4825 };
4826
4827 let invalidation_range = multibuffer
4828 .anchor_before(Point::new(invalidation_row_range.start, 0))
4829 ..multibuffer.anchor_after(Point::new(
4830 invalidation_row_range.end,
4831 multibuffer.line_len(MultiBufferRow(invalidation_row_range.end)),
4832 ));
4833
4834 self.active_inline_completion = Some(InlineCompletionState {
4835 inlay_ids,
4836 completion,
4837 invalidation_range,
4838 });
4839
4840 if self.show_inline_completions_in_menu(cx) && self.has_active_completions_menu() {
4841 if let Some(hint) = self.inline_completion_menu_hint(cx) {
4842 match self.context_menu.borrow_mut().as_mut() {
4843 Some(CodeContextMenu::Completions(menu)) => {
4844 menu.show_inline_completion_hint(hint);
4845 }
4846 _ => {}
4847 }
4848 }
4849 }
4850
4851 cx.notify();
4852
4853 Some(())
4854 }
4855
4856 fn inline_completion_menu_hint(
4857 &mut self,
4858 cx: &mut ViewContext<Self>,
4859 ) -> Option<InlineCompletionMenuHint> {
4860 if self.has_active_inline_completion() {
4861 let provider_name = self.inline_completion_provider()?.display_name();
4862 let editor_snapshot = self.snapshot(cx);
4863
4864 let text = match &self.active_inline_completion.as_ref()?.completion {
4865 InlineCompletion::Edit(edits) => {
4866 inline_completion_edit_text(&editor_snapshot, edits, true, cx)
4867 }
4868 InlineCompletion::Move(target) => {
4869 let target_point =
4870 target.to_point(&editor_snapshot.display_snapshot.buffer_snapshot);
4871 let target_line = target_point.row + 1;
4872 InlineCompletionText::Move(
4873 format!("Jump to edit in line {}", target_line).into(),
4874 )
4875 }
4876 };
4877
4878 Some(InlineCompletionMenuHint {
4879 provider_name,
4880 text,
4881 })
4882 } else {
4883 None
4884 }
4885 }
4886
4887 fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
4888 Some(self.inline_completion_provider.as_ref()?.provider.clone())
4889 }
4890
4891 fn show_inline_completions_in_menu(&self, cx: &AppContext) -> bool {
4892 EditorSettings::get_global(cx).show_inline_completions_in_menu
4893 && self
4894 .inline_completion_provider()
4895 .map_or(false, |provider| provider.show_completions_in_menu())
4896 }
4897
4898 fn render_code_actions_indicator(
4899 &self,
4900 _style: &EditorStyle,
4901 row: DisplayRow,
4902 is_active: bool,
4903 cx: &mut ViewContext<Self>,
4904 ) -> Option<IconButton> {
4905 if self.available_code_actions.is_some() {
4906 Some(
4907 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
4908 .shape(ui::IconButtonShape::Square)
4909 .icon_size(IconSize::XSmall)
4910 .icon_color(Color::Muted)
4911 .toggle_state(is_active)
4912 .tooltip({
4913 let focus_handle = self.focus_handle.clone();
4914 move |cx| {
4915 Tooltip::for_action_in(
4916 "Toggle Code Actions",
4917 &ToggleCodeActions {
4918 deployed_from_indicator: None,
4919 },
4920 &focus_handle,
4921 cx,
4922 )
4923 }
4924 })
4925 .on_click(cx.listener(move |editor, _e, cx| {
4926 editor.focus(cx);
4927 editor.toggle_code_actions(
4928 &ToggleCodeActions {
4929 deployed_from_indicator: Some(row),
4930 },
4931 cx,
4932 );
4933 })),
4934 )
4935 } else {
4936 None
4937 }
4938 }
4939
4940 fn clear_tasks(&mut self) {
4941 self.tasks.clear()
4942 }
4943
4944 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
4945 if self.tasks.insert(key, value).is_some() {
4946 // This case should hopefully be rare, but just in case...
4947 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
4948 }
4949 }
4950
4951 fn build_tasks_context(
4952 project: &Model<Project>,
4953 buffer: &Model<Buffer>,
4954 buffer_row: u32,
4955 tasks: &Arc<RunnableTasks>,
4956 cx: &mut ViewContext<Self>,
4957 ) -> Task<Option<task::TaskContext>> {
4958 let position = Point::new(buffer_row, tasks.column);
4959 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
4960 let location = Location {
4961 buffer: buffer.clone(),
4962 range: range_start..range_start,
4963 };
4964 // Fill in the environmental variables from the tree-sitter captures
4965 let mut captured_task_variables = TaskVariables::default();
4966 for (capture_name, value) in tasks.extra_variables.clone() {
4967 captured_task_variables.insert(
4968 task::VariableName::Custom(capture_name.into()),
4969 value.clone(),
4970 );
4971 }
4972 project.update(cx, |project, cx| {
4973 project.task_store().update(cx, |task_store, cx| {
4974 task_store.task_context_for_location(captured_task_variables, location, cx)
4975 })
4976 })
4977 }
4978
4979 pub fn spawn_nearest_task(&mut self, action: &SpawnNearestTask, cx: &mut ViewContext<Self>) {
4980 let Some((workspace, _)) = self.workspace.clone() else {
4981 return;
4982 };
4983 let Some(project) = self.project.clone() else {
4984 return;
4985 };
4986
4987 // Try to find a closest, enclosing node using tree-sitter that has a
4988 // task
4989 let Some((buffer, buffer_row, tasks)) = self
4990 .find_enclosing_node_task(cx)
4991 // Or find the task that's closest in row-distance.
4992 .or_else(|| self.find_closest_task(cx))
4993 else {
4994 return;
4995 };
4996
4997 let reveal_strategy = action.reveal;
4998 let task_context = Self::build_tasks_context(&project, &buffer, buffer_row, &tasks, cx);
4999 cx.spawn(|_, mut cx| async move {
5000 let context = task_context.await?;
5001 let (task_source_kind, mut resolved_task) = tasks.resolve(&context).next()?;
5002
5003 let resolved = resolved_task.resolved.as_mut()?;
5004 resolved.reveal = reveal_strategy;
5005
5006 workspace
5007 .update(&mut cx, |workspace, cx| {
5008 workspace::tasks::schedule_resolved_task(
5009 workspace,
5010 task_source_kind,
5011 resolved_task,
5012 false,
5013 cx,
5014 );
5015 })
5016 .ok()
5017 })
5018 .detach();
5019 }
5020
5021 fn find_closest_task(
5022 &mut self,
5023 cx: &mut ViewContext<Self>,
5024 ) -> Option<(Model<Buffer>, u32, Arc<RunnableTasks>)> {
5025 let cursor_row = self.selections.newest_adjusted(cx).head().row;
5026
5027 let ((buffer_id, row), tasks) = self
5028 .tasks
5029 .iter()
5030 .min_by_key(|((_, row), _)| cursor_row.abs_diff(*row))?;
5031
5032 let buffer = self.buffer.read(cx).buffer(*buffer_id)?;
5033 let tasks = Arc::new(tasks.to_owned());
5034 Some((buffer, *row, tasks))
5035 }
5036
5037 fn find_enclosing_node_task(
5038 &mut self,
5039 cx: &mut ViewContext<Self>,
5040 ) -> Option<(Model<Buffer>, u32, Arc<RunnableTasks>)> {
5041 let snapshot = self.buffer.read(cx).snapshot(cx);
5042 let offset = self.selections.newest::<usize>(cx).head();
5043 let excerpt = snapshot.excerpt_containing(offset..offset)?;
5044 let buffer_id = excerpt.buffer().remote_id();
5045
5046 let layer = excerpt.buffer().syntax_layer_at(offset)?;
5047 let mut cursor = layer.node().walk();
5048
5049 while cursor.goto_first_child_for_byte(offset).is_some() {
5050 if cursor.node().end_byte() == offset {
5051 cursor.goto_next_sibling();
5052 }
5053 }
5054
5055 // Ascend to the smallest ancestor that contains the range and has a task.
5056 loop {
5057 let node = cursor.node();
5058 let node_range = node.byte_range();
5059 let symbol_start_row = excerpt.buffer().offset_to_point(node.start_byte()).row;
5060
5061 // Check if this node contains our offset
5062 if node_range.start <= offset && node_range.end >= offset {
5063 // If it contains offset, check for task
5064 if let Some(tasks) = self.tasks.get(&(buffer_id, symbol_start_row)) {
5065 let buffer = self.buffer.read(cx).buffer(buffer_id)?;
5066 return Some((buffer, symbol_start_row, Arc::new(tasks.to_owned())));
5067 }
5068 }
5069
5070 if !cursor.goto_parent() {
5071 break;
5072 }
5073 }
5074 None
5075 }
5076
5077 fn render_run_indicator(
5078 &self,
5079 _style: &EditorStyle,
5080 is_active: bool,
5081 row: DisplayRow,
5082 cx: &mut ViewContext<Self>,
5083 ) -> IconButton {
5084 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
5085 .shape(ui::IconButtonShape::Square)
5086 .icon_size(IconSize::XSmall)
5087 .icon_color(Color::Muted)
5088 .toggle_state(is_active)
5089 .on_click(cx.listener(move |editor, _e, cx| {
5090 editor.focus(cx);
5091 editor.toggle_code_actions(
5092 &ToggleCodeActions {
5093 deployed_from_indicator: Some(row),
5094 },
5095 cx,
5096 );
5097 }))
5098 }
5099
5100 #[cfg(any(feature = "test-support", test))]
5101 pub fn context_menu_visible(&self) -> bool {
5102 self.context_menu
5103 .borrow()
5104 .as_ref()
5105 .map_or(false, |menu| menu.visible())
5106 }
5107
5108 #[cfg(feature = "test-support")]
5109 pub fn context_menu_contains_inline_completion(&self) -> bool {
5110 self.context_menu
5111 .borrow()
5112 .as_ref()
5113 .map_or(false, |menu| match menu {
5114 CodeContextMenu::Completions(menu) => menu.entries.first().map_or(false, |entry| {
5115 matches!(entry, CompletionEntry::InlineCompletionHint(_))
5116 }),
5117 CodeContextMenu::CodeActions(_) => false,
5118 })
5119 }
5120
5121 fn context_menu_origin(&self, cursor_position: DisplayPoint) -> Option<ContextMenuOrigin> {
5122 self.context_menu
5123 .borrow()
5124 .as_ref()
5125 .map(|menu| menu.origin(cursor_position))
5126 }
5127
5128 fn render_context_menu(
5129 &self,
5130 style: &EditorStyle,
5131 max_height_in_lines: u32,
5132 cx: &mut ViewContext<Editor>,
5133 ) -> Option<AnyElement> {
5134 self.context_menu.borrow().as_ref().and_then(|menu| {
5135 if menu.visible() {
5136 Some(menu.render(style, max_height_in_lines, cx))
5137 } else {
5138 None
5139 }
5140 })
5141 }
5142
5143 fn render_context_menu_aside(
5144 &self,
5145 style: &EditorStyle,
5146 max_size: Size<Pixels>,
5147 cx: &mut ViewContext<Editor>,
5148 ) -> Option<AnyElement> {
5149 self.context_menu.borrow().as_ref().and_then(|menu| {
5150 if menu.visible() {
5151 menu.render_aside(
5152 style,
5153 max_size,
5154 self.workspace.as_ref().map(|(w, _)| w.clone()),
5155 cx,
5156 )
5157 } else {
5158 None
5159 }
5160 })
5161 }
5162
5163 fn hide_context_menu(&mut self, cx: &mut ViewContext<Self>) -> Option<CodeContextMenu> {
5164 cx.notify();
5165 self.completion_tasks.clear();
5166 let context_menu = self.context_menu.borrow_mut().take();
5167 if context_menu.is_some() && !self.show_inline_completions_in_menu(cx) {
5168 self.update_visible_inline_completion(cx);
5169 }
5170 context_menu
5171 }
5172
5173 fn show_snippet_choices(
5174 &mut self,
5175 choices: &Vec<String>,
5176 selection: Range<Anchor>,
5177 cx: &mut ViewContext<Self>,
5178 ) {
5179 if selection.start.buffer_id.is_none() {
5180 return;
5181 }
5182 let buffer_id = selection.start.buffer_id.unwrap();
5183 let buffer = self.buffer().read(cx).buffer(buffer_id);
5184 let id = post_inc(&mut self.next_completion_id);
5185
5186 if let Some(buffer) = buffer {
5187 *self.context_menu.borrow_mut() = Some(CodeContextMenu::Completions(
5188 CompletionsMenu::new_snippet_choices(id, true, choices, selection, buffer),
5189 ));
5190 }
5191 }
5192
5193 pub fn insert_snippet(
5194 &mut self,
5195 insertion_ranges: &[Range<usize>],
5196 snippet: Snippet,
5197 cx: &mut ViewContext<Self>,
5198 ) -> Result<()> {
5199 struct Tabstop<T> {
5200 is_end_tabstop: bool,
5201 ranges: Vec<Range<T>>,
5202 choices: Option<Vec<String>>,
5203 }
5204
5205 let tabstops = self.buffer.update(cx, |buffer, cx| {
5206 let snippet_text: Arc<str> = snippet.text.clone().into();
5207 buffer.edit(
5208 insertion_ranges
5209 .iter()
5210 .cloned()
5211 .map(|range| (range, snippet_text.clone())),
5212 Some(AutoindentMode::EachLine),
5213 cx,
5214 );
5215
5216 let snapshot = &*buffer.read(cx);
5217 let snippet = &snippet;
5218 snippet
5219 .tabstops
5220 .iter()
5221 .map(|tabstop| {
5222 let is_end_tabstop = tabstop.ranges.first().map_or(false, |tabstop| {
5223 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5224 });
5225 let mut tabstop_ranges = tabstop
5226 .ranges
5227 .iter()
5228 .flat_map(|tabstop_range| {
5229 let mut delta = 0_isize;
5230 insertion_ranges.iter().map(move |insertion_range| {
5231 let insertion_start = insertion_range.start as isize + delta;
5232 delta +=
5233 snippet.text.len() as isize - insertion_range.len() as isize;
5234
5235 let start = ((insertion_start + tabstop_range.start) as usize)
5236 .min(snapshot.len());
5237 let end = ((insertion_start + tabstop_range.end) as usize)
5238 .min(snapshot.len());
5239 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5240 })
5241 })
5242 .collect::<Vec<_>>();
5243 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5244
5245 Tabstop {
5246 is_end_tabstop,
5247 ranges: tabstop_ranges,
5248 choices: tabstop.choices.clone(),
5249 }
5250 })
5251 .collect::<Vec<_>>()
5252 });
5253 if let Some(tabstop) = tabstops.first() {
5254 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5255 s.select_ranges(tabstop.ranges.iter().cloned());
5256 });
5257
5258 if let Some(choices) = &tabstop.choices {
5259 if let Some(selection) = tabstop.ranges.first() {
5260 self.show_snippet_choices(choices, selection.clone(), cx)
5261 }
5262 }
5263
5264 // If we're already at the last tabstop and it's at the end of the snippet,
5265 // we're done, we don't need to keep the state around.
5266 if !tabstop.is_end_tabstop {
5267 let choices = tabstops
5268 .iter()
5269 .map(|tabstop| tabstop.choices.clone())
5270 .collect();
5271
5272 let ranges = tabstops
5273 .into_iter()
5274 .map(|tabstop| tabstop.ranges)
5275 .collect::<Vec<_>>();
5276
5277 self.snippet_stack.push(SnippetState {
5278 active_index: 0,
5279 ranges,
5280 choices,
5281 });
5282 }
5283
5284 // Check whether the just-entered snippet ends with an auto-closable bracket.
5285 if self.autoclose_regions.is_empty() {
5286 let snapshot = self.buffer.read(cx).snapshot(cx);
5287 for selection in &mut self.selections.all::<Point>(cx) {
5288 let selection_head = selection.head();
5289 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5290 continue;
5291 };
5292
5293 let mut bracket_pair = None;
5294 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5295 let prev_chars = snapshot
5296 .reversed_chars_at(selection_head)
5297 .collect::<String>();
5298 for (pair, enabled) in scope.brackets() {
5299 if enabled
5300 && pair.close
5301 && prev_chars.starts_with(pair.start.as_str())
5302 && next_chars.starts_with(pair.end.as_str())
5303 {
5304 bracket_pair = Some(pair.clone());
5305 break;
5306 }
5307 }
5308 if let Some(pair) = bracket_pair {
5309 let start = snapshot.anchor_after(selection_head);
5310 let end = snapshot.anchor_after(selection_head);
5311 self.autoclose_regions.push(AutocloseRegion {
5312 selection_id: selection.id,
5313 range: start..end,
5314 pair,
5315 });
5316 }
5317 }
5318 }
5319 }
5320 Ok(())
5321 }
5322
5323 pub fn move_to_next_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
5324 self.move_to_snippet_tabstop(Bias::Right, cx)
5325 }
5326
5327 pub fn move_to_prev_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
5328 self.move_to_snippet_tabstop(Bias::Left, cx)
5329 }
5330
5331 pub fn move_to_snippet_tabstop(&mut self, bias: Bias, cx: &mut ViewContext<Self>) -> bool {
5332 if let Some(mut snippet) = self.snippet_stack.pop() {
5333 match bias {
5334 Bias::Left => {
5335 if snippet.active_index > 0 {
5336 snippet.active_index -= 1;
5337 } else {
5338 self.snippet_stack.push(snippet);
5339 return false;
5340 }
5341 }
5342 Bias::Right => {
5343 if snippet.active_index + 1 < snippet.ranges.len() {
5344 snippet.active_index += 1;
5345 } else {
5346 self.snippet_stack.push(snippet);
5347 return false;
5348 }
5349 }
5350 }
5351 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5352 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5353 s.select_anchor_ranges(current_ranges.iter().cloned())
5354 });
5355
5356 if let Some(choices) = &snippet.choices[snippet.active_index] {
5357 if let Some(selection) = current_ranges.first() {
5358 self.show_snippet_choices(&choices, selection.clone(), cx);
5359 }
5360 }
5361
5362 // If snippet state is not at the last tabstop, push it back on the stack
5363 if snippet.active_index + 1 < snippet.ranges.len() {
5364 self.snippet_stack.push(snippet);
5365 }
5366 return true;
5367 }
5368 }
5369
5370 false
5371 }
5372
5373 pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
5374 self.transact(cx, |this, cx| {
5375 this.select_all(&SelectAll, cx);
5376 this.insert("", cx);
5377 });
5378 }
5379
5380 pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
5381 self.transact(cx, |this, cx| {
5382 this.select_autoclose_pair(cx);
5383 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5384 if !this.linked_edit_ranges.is_empty() {
5385 let selections = this.selections.all::<MultiBufferPoint>(cx);
5386 let snapshot = this.buffer.read(cx).snapshot(cx);
5387
5388 for selection in selections.iter() {
5389 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5390 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5391 if selection_start.buffer_id != selection_end.buffer_id {
5392 continue;
5393 }
5394 if let Some(ranges) =
5395 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5396 {
5397 for (buffer, entries) in ranges {
5398 linked_ranges.entry(buffer).or_default().extend(entries);
5399 }
5400 }
5401 }
5402 }
5403
5404 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5405 if !this.selections.line_mode {
5406 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5407 for selection in &mut selections {
5408 if selection.is_empty() {
5409 let old_head = selection.head();
5410 let mut new_head =
5411 movement::left(&display_map, old_head.to_display_point(&display_map))
5412 .to_point(&display_map);
5413 if let Some((buffer, line_buffer_range)) = display_map
5414 .buffer_snapshot
5415 .buffer_line_for_row(MultiBufferRow(old_head.row))
5416 {
5417 let indent_size =
5418 buffer.indent_size_for_line(line_buffer_range.start.row);
5419 let indent_len = match indent_size.kind {
5420 IndentKind::Space => {
5421 buffer.settings_at(line_buffer_range.start, cx).tab_size
5422 }
5423 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5424 };
5425 if old_head.column <= indent_size.len && old_head.column > 0 {
5426 let indent_len = indent_len.get();
5427 new_head = cmp::min(
5428 new_head,
5429 MultiBufferPoint::new(
5430 old_head.row,
5431 ((old_head.column - 1) / indent_len) * indent_len,
5432 ),
5433 );
5434 }
5435 }
5436
5437 selection.set_head(new_head, SelectionGoal::None);
5438 }
5439 }
5440 }
5441
5442 this.signature_help_state.set_backspace_pressed(true);
5443 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5444 this.insert("", cx);
5445 let empty_str: Arc<str> = Arc::from("");
5446 for (buffer, edits) in linked_ranges {
5447 let snapshot = buffer.read(cx).snapshot();
5448 use text::ToPoint as TP;
5449
5450 let edits = edits
5451 .into_iter()
5452 .map(|range| {
5453 let end_point = TP::to_point(&range.end, &snapshot);
5454 let mut start_point = TP::to_point(&range.start, &snapshot);
5455
5456 if end_point == start_point {
5457 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5458 .saturating_sub(1);
5459 start_point =
5460 snapshot.clip_point(TP::to_point(&offset, &snapshot), Bias::Left);
5461 };
5462
5463 (start_point..end_point, empty_str.clone())
5464 })
5465 .sorted_by_key(|(range, _)| range.start)
5466 .collect::<Vec<_>>();
5467 buffer.update(cx, |this, cx| {
5468 this.edit(edits, None, cx);
5469 })
5470 }
5471 this.refresh_inline_completion(true, false, cx);
5472 linked_editing_ranges::refresh_linked_ranges(this, cx);
5473 });
5474 }
5475
5476 pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
5477 self.transact(cx, |this, cx| {
5478 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5479 let line_mode = s.line_mode;
5480 s.move_with(|map, selection| {
5481 if selection.is_empty() && !line_mode {
5482 let cursor = movement::right(map, selection.head());
5483 selection.end = cursor;
5484 selection.reversed = true;
5485 selection.goal = SelectionGoal::None;
5486 }
5487 })
5488 });
5489 this.insert("", cx);
5490 this.refresh_inline_completion(true, false, cx);
5491 });
5492 }
5493
5494 pub fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
5495 if self.move_to_prev_snippet_tabstop(cx) {
5496 return;
5497 }
5498
5499 self.outdent(&Outdent, cx);
5500 }
5501
5502 pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
5503 if self.move_to_next_snippet_tabstop(cx) || self.read_only(cx) {
5504 return;
5505 }
5506
5507 let mut selections = self.selections.all_adjusted(cx);
5508 let buffer = self.buffer.read(cx);
5509 let snapshot = buffer.snapshot(cx);
5510 let rows_iter = selections.iter().map(|s| s.head().row);
5511 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5512
5513 let mut edits = Vec::new();
5514 let mut prev_edited_row = 0;
5515 let mut row_delta = 0;
5516 for selection in &mut selections {
5517 if selection.start.row != prev_edited_row {
5518 row_delta = 0;
5519 }
5520 prev_edited_row = selection.end.row;
5521
5522 // If the selection is non-empty, then increase the indentation of the selected lines.
5523 if !selection.is_empty() {
5524 row_delta =
5525 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5526 continue;
5527 }
5528
5529 // If the selection is empty and the cursor is in the leading whitespace before the
5530 // suggested indentation, then auto-indent the line.
5531 let cursor = selection.head();
5532 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5533 if let Some(suggested_indent) =
5534 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5535 {
5536 if cursor.column < suggested_indent.len
5537 && cursor.column <= current_indent.len
5538 && current_indent.len <= suggested_indent.len
5539 {
5540 selection.start = Point::new(cursor.row, suggested_indent.len);
5541 selection.end = selection.start;
5542 if row_delta == 0 {
5543 edits.extend(Buffer::edit_for_indent_size_adjustment(
5544 cursor.row,
5545 current_indent,
5546 suggested_indent,
5547 ));
5548 row_delta = suggested_indent.len - current_indent.len;
5549 }
5550 continue;
5551 }
5552 }
5553
5554 // Otherwise, insert a hard or soft tab.
5555 let settings = buffer.settings_at(cursor, cx);
5556 let tab_size = if settings.hard_tabs {
5557 IndentSize::tab()
5558 } else {
5559 let tab_size = settings.tab_size.get();
5560 let char_column = snapshot
5561 .text_for_range(Point::new(cursor.row, 0)..cursor)
5562 .flat_map(str::chars)
5563 .count()
5564 + row_delta as usize;
5565 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5566 IndentSize::spaces(chars_to_next_tab_stop)
5567 };
5568 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5569 selection.end = selection.start;
5570 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5571 row_delta += tab_size.len;
5572 }
5573
5574 self.transact(cx, |this, cx| {
5575 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5576 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5577 this.refresh_inline_completion(true, false, cx);
5578 });
5579 }
5580
5581 pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext<Self>) {
5582 if self.read_only(cx) {
5583 return;
5584 }
5585 let mut selections = self.selections.all::<Point>(cx);
5586 let mut prev_edited_row = 0;
5587 let mut row_delta = 0;
5588 let mut edits = Vec::new();
5589 let buffer = self.buffer.read(cx);
5590 let snapshot = buffer.snapshot(cx);
5591 for selection in &mut selections {
5592 if selection.start.row != prev_edited_row {
5593 row_delta = 0;
5594 }
5595 prev_edited_row = selection.end.row;
5596
5597 row_delta =
5598 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5599 }
5600
5601 self.transact(cx, |this, cx| {
5602 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5603 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5604 });
5605 }
5606
5607 fn indent_selection(
5608 buffer: &MultiBuffer,
5609 snapshot: &MultiBufferSnapshot,
5610 selection: &mut Selection<Point>,
5611 edits: &mut Vec<(Range<Point>, String)>,
5612 delta_for_start_row: u32,
5613 cx: &AppContext,
5614 ) -> u32 {
5615 let settings = buffer.settings_at(selection.start, cx);
5616 let tab_size = settings.tab_size.get();
5617 let indent_kind = if settings.hard_tabs {
5618 IndentKind::Tab
5619 } else {
5620 IndentKind::Space
5621 };
5622 let mut start_row = selection.start.row;
5623 let mut end_row = selection.end.row + 1;
5624
5625 // If a selection ends at the beginning of a line, don't indent
5626 // that last line.
5627 if selection.end.column == 0 && selection.end.row > selection.start.row {
5628 end_row -= 1;
5629 }
5630
5631 // Avoid re-indenting a row that has already been indented by a
5632 // previous selection, but still update this selection's column
5633 // to reflect that indentation.
5634 if delta_for_start_row > 0 {
5635 start_row += 1;
5636 selection.start.column += delta_for_start_row;
5637 if selection.end.row == selection.start.row {
5638 selection.end.column += delta_for_start_row;
5639 }
5640 }
5641
5642 let mut delta_for_end_row = 0;
5643 let has_multiple_rows = start_row + 1 != end_row;
5644 for row in start_row..end_row {
5645 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
5646 let indent_delta = match (current_indent.kind, indent_kind) {
5647 (IndentKind::Space, IndentKind::Space) => {
5648 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
5649 IndentSize::spaces(columns_to_next_tab_stop)
5650 }
5651 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
5652 (_, IndentKind::Tab) => IndentSize::tab(),
5653 };
5654
5655 let start = if has_multiple_rows || current_indent.len < selection.start.column {
5656 0
5657 } else {
5658 selection.start.column
5659 };
5660 let row_start = Point::new(row, start);
5661 edits.push((
5662 row_start..row_start,
5663 indent_delta.chars().collect::<String>(),
5664 ));
5665
5666 // Update this selection's endpoints to reflect the indentation.
5667 if row == selection.start.row {
5668 selection.start.column += indent_delta.len;
5669 }
5670 if row == selection.end.row {
5671 selection.end.column += indent_delta.len;
5672 delta_for_end_row = indent_delta.len;
5673 }
5674 }
5675
5676 if selection.start.row == selection.end.row {
5677 delta_for_start_row + delta_for_end_row
5678 } else {
5679 delta_for_end_row
5680 }
5681 }
5682
5683 pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext<Self>) {
5684 if self.read_only(cx) {
5685 return;
5686 }
5687 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5688 let selections = self.selections.all::<Point>(cx);
5689 let mut deletion_ranges = Vec::new();
5690 let mut last_outdent = None;
5691 {
5692 let buffer = self.buffer.read(cx);
5693 let snapshot = buffer.snapshot(cx);
5694 for selection in &selections {
5695 let settings = buffer.settings_at(selection.start, cx);
5696 let tab_size = settings.tab_size.get();
5697 let mut rows = selection.spanned_rows(false, &display_map);
5698
5699 // Avoid re-outdenting a row that has already been outdented by a
5700 // previous selection.
5701 if let Some(last_row) = last_outdent {
5702 if last_row == rows.start {
5703 rows.start = rows.start.next_row();
5704 }
5705 }
5706 let has_multiple_rows = rows.len() > 1;
5707 for row in rows.iter_rows() {
5708 let indent_size = snapshot.indent_size_for_line(row);
5709 if indent_size.len > 0 {
5710 let deletion_len = match indent_size.kind {
5711 IndentKind::Space => {
5712 let columns_to_prev_tab_stop = indent_size.len % tab_size;
5713 if columns_to_prev_tab_stop == 0 {
5714 tab_size
5715 } else {
5716 columns_to_prev_tab_stop
5717 }
5718 }
5719 IndentKind::Tab => 1,
5720 };
5721 let start = if has_multiple_rows
5722 || deletion_len > selection.start.column
5723 || indent_size.len < selection.start.column
5724 {
5725 0
5726 } else {
5727 selection.start.column - deletion_len
5728 };
5729 deletion_ranges.push(
5730 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
5731 );
5732 last_outdent = Some(row);
5733 }
5734 }
5735 }
5736 }
5737
5738 self.transact(cx, |this, cx| {
5739 this.buffer.update(cx, |buffer, cx| {
5740 let empty_str: Arc<str> = Arc::default();
5741 buffer.edit(
5742 deletion_ranges
5743 .into_iter()
5744 .map(|range| (range, empty_str.clone())),
5745 None,
5746 cx,
5747 );
5748 });
5749 let selections = this.selections.all::<usize>(cx);
5750 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5751 });
5752 }
5753
5754 pub fn autoindent(&mut self, _: &AutoIndent, cx: &mut ViewContext<Self>) {
5755 if self.read_only(cx) {
5756 return;
5757 }
5758 let selections = self
5759 .selections
5760 .all::<usize>(cx)
5761 .into_iter()
5762 .map(|s| s.range());
5763
5764 self.transact(cx, |this, cx| {
5765 this.buffer.update(cx, |buffer, cx| {
5766 buffer.autoindent_ranges(selections, cx);
5767 });
5768 let selections = this.selections.all::<usize>(cx);
5769 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5770 });
5771 }
5772
5773 pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
5774 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5775 let selections = self.selections.all::<Point>(cx);
5776
5777 let mut new_cursors = Vec::new();
5778 let mut edit_ranges = Vec::new();
5779 let mut selections = selections.iter().peekable();
5780 while let Some(selection) = selections.next() {
5781 let mut rows = selection.spanned_rows(false, &display_map);
5782 let goal_display_column = selection.head().to_display_point(&display_map).column();
5783
5784 // Accumulate contiguous regions of rows that we want to delete.
5785 while let Some(next_selection) = selections.peek() {
5786 let next_rows = next_selection.spanned_rows(false, &display_map);
5787 if next_rows.start <= rows.end {
5788 rows.end = next_rows.end;
5789 selections.next().unwrap();
5790 } else {
5791 break;
5792 }
5793 }
5794
5795 let buffer = &display_map.buffer_snapshot;
5796 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
5797 let edit_end;
5798 let cursor_buffer_row;
5799 if buffer.max_point().row >= rows.end.0 {
5800 // If there's a line after the range, delete the \n from the end of the row range
5801 // and position the cursor on the next line.
5802 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
5803 cursor_buffer_row = rows.end;
5804 } else {
5805 // If there isn't a line after the range, delete the \n from the line before the
5806 // start of the row range and position the cursor there.
5807 edit_start = edit_start.saturating_sub(1);
5808 edit_end = buffer.len();
5809 cursor_buffer_row = rows.start.previous_row();
5810 }
5811
5812 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
5813 *cursor.column_mut() =
5814 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
5815
5816 new_cursors.push((
5817 selection.id,
5818 buffer.anchor_after(cursor.to_point(&display_map)),
5819 ));
5820 edit_ranges.push(edit_start..edit_end);
5821 }
5822
5823 self.transact(cx, |this, cx| {
5824 let buffer = this.buffer.update(cx, |buffer, cx| {
5825 let empty_str: Arc<str> = Arc::default();
5826 buffer.edit(
5827 edit_ranges
5828 .into_iter()
5829 .map(|range| (range, empty_str.clone())),
5830 None,
5831 cx,
5832 );
5833 buffer.snapshot(cx)
5834 });
5835 let new_selections = new_cursors
5836 .into_iter()
5837 .map(|(id, cursor)| {
5838 let cursor = cursor.to_point(&buffer);
5839 Selection {
5840 id,
5841 start: cursor,
5842 end: cursor,
5843 reversed: false,
5844 goal: SelectionGoal::None,
5845 }
5846 })
5847 .collect();
5848
5849 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5850 s.select(new_selections);
5851 });
5852 });
5853 }
5854
5855 pub fn join_lines(&mut self, _: &JoinLines, cx: &mut ViewContext<Self>) {
5856 if self.read_only(cx) {
5857 return;
5858 }
5859 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
5860 for selection in self.selections.all::<Point>(cx) {
5861 let start = MultiBufferRow(selection.start.row);
5862 // Treat single line selections as if they include the next line. Otherwise this action
5863 // would do nothing for single line selections individual cursors.
5864 let end = if selection.start.row == selection.end.row {
5865 MultiBufferRow(selection.start.row + 1)
5866 } else {
5867 MultiBufferRow(selection.end.row)
5868 };
5869
5870 if let Some(last_row_range) = row_ranges.last_mut() {
5871 if start <= last_row_range.end {
5872 last_row_range.end = end;
5873 continue;
5874 }
5875 }
5876 row_ranges.push(start..end);
5877 }
5878
5879 let snapshot = self.buffer.read(cx).snapshot(cx);
5880 let mut cursor_positions = Vec::new();
5881 for row_range in &row_ranges {
5882 let anchor = snapshot.anchor_before(Point::new(
5883 row_range.end.previous_row().0,
5884 snapshot.line_len(row_range.end.previous_row()),
5885 ));
5886 cursor_positions.push(anchor..anchor);
5887 }
5888
5889 self.transact(cx, |this, cx| {
5890 for row_range in row_ranges.into_iter().rev() {
5891 for row in row_range.iter_rows().rev() {
5892 let end_of_line = Point::new(row.0, snapshot.line_len(row));
5893 let next_line_row = row.next_row();
5894 let indent = snapshot.indent_size_for_line(next_line_row);
5895 let start_of_next_line = Point::new(next_line_row.0, indent.len);
5896
5897 let replace = if snapshot.line_len(next_line_row) > indent.len {
5898 " "
5899 } else {
5900 ""
5901 };
5902
5903 this.buffer.update(cx, |buffer, cx| {
5904 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
5905 });
5906 }
5907 }
5908
5909 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5910 s.select_anchor_ranges(cursor_positions)
5911 });
5912 });
5913 }
5914
5915 pub fn sort_lines_case_sensitive(
5916 &mut self,
5917 _: &SortLinesCaseSensitive,
5918 cx: &mut ViewContext<Self>,
5919 ) {
5920 self.manipulate_lines(cx, |lines| lines.sort())
5921 }
5922
5923 pub fn sort_lines_case_insensitive(
5924 &mut self,
5925 _: &SortLinesCaseInsensitive,
5926 cx: &mut ViewContext<Self>,
5927 ) {
5928 self.manipulate_lines(cx, |lines| lines.sort_by_key(|line| line.to_lowercase()))
5929 }
5930
5931 pub fn unique_lines_case_insensitive(
5932 &mut self,
5933 _: &UniqueLinesCaseInsensitive,
5934 cx: &mut ViewContext<Self>,
5935 ) {
5936 self.manipulate_lines(cx, |lines| {
5937 let mut seen = HashSet::default();
5938 lines.retain(|line| seen.insert(line.to_lowercase()));
5939 })
5940 }
5941
5942 pub fn unique_lines_case_sensitive(
5943 &mut self,
5944 _: &UniqueLinesCaseSensitive,
5945 cx: &mut ViewContext<Self>,
5946 ) {
5947 self.manipulate_lines(cx, |lines| {
5948 let mut seen = HashSet::default();
5949 lines.retain(|line| seen.insert(*line));
5950 })
5951 }
5952
5953 pub fn revert_file(&mut self, _: &RevertFile, cx: &mut ViewContext<Self>) {
5954 let mut revert_changes = HashMap::default();
5955 let snapshot = self.snapshot(cx);
5956 for hunk in hunks_for_ranges(
5957 Some(Point::zero()..snapshot.buffer_snapshot.max_point()).into_iter(),
5958 &snapshot,
5959 ) {
5960 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
5961 }
5962 if !revert_changes.is_empty() {
5963 self.transact(cx, |editor, cx| {
5964 editor.revert(revert_changes, cx);
5965 });
5966 }
5967 }
5968
5969 pub fn reload_file(&mut self, _: &ReloadFile, cx: &mut ViewContext<Self>) {
5970 let Some(project) = self.project.clone() else {
5971 return;
5972 };
5973 self.reload(project, cx).detach_and_notify_err(cx);
5974 }
5975
5976 pub fn revert_selected_hunks(&mut self, _: &RevertSelectedHunks, cx: &mut ViewContext<Self>) {
5977 let revert_changes = self.gather_revert_changes(&self.selections.all(cx), cx);
5978 if !revert_changes.is_empty() {
5979 self.transact(cx, |editor, cx| {
5980 editor.revert(revert_changes, cx);
5981 });
5982 }
5983 }
5984
5985 fn revert_hunk(&mut self, hunk: HoveredHunk, cx: &mut ViewContext<Editor>) {
5986 let snapshot = self.buffer.read(cx).read(cx);
5987 if let Some(hunk) = crate::hunk_diff::to_diff_hunk(&hunk, &snapshot) {
5988 drop(snapshot);
5989 let mut revert_changes = HashMap::default();
5990 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
5991 if !revert_changes.is_empty() {
5992 self.revert(revert_changes, cx)
5993 }
5994 }
5995 }
5996
5997 pub fn open_active_item_in_terminal(&mut self, _: &OpenInTerminal, cx: &mut ViewContext<Self>) {
5998 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
5999 let project_path = buffer.read(cx).project_path(cx)?;
6000 let project = self.project.as_ref()?.read(cx);
6001 let entry = project.entry_for_path(&project_path, cx)?;
6002 let parent = match &entry.canonical_path {
6003 Some(canonical_path) => canonical_path.to_path_buf(),
6004 None => project.absolute_path(&project_path, cx)?,
6005 }
6006 .parent()?
6007 .to_path_buf();
6008 Some(parent)
6009 }) {
6010 cx.dispatch_action(OpenTerminal { working_directory }.boxed_clone());
6011 }
6012 }
6013
6014 fn gather_revert_changes(
6015 &mut self,
6016 selections: &[Selection<Point>],
6017 cx: &mut ViewContext<Editor>,
6018 ) -> HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>> {
6019 let mut revert_changes = HashMap::default();
6020 let snapshot = self.snapshot(cx);
6021 for hunk in hunks_for_selections(&snapshot, selections) {
6022 self.prepare_revert_change(&mut revert_changes, &hunk, cx);
6023 }
6024 revert_changes
6025 }
6026
6027 pub fn prepare_revert_change(
6028 &mut self,
6029 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
6030 hunk: &MultiBufferDiffHunk,
6031 cx: &AppContext,
6032 ) -> Option<()> {
6033 let buffer = self.buffer.read(cx).buffer(hunk.buffer_id)?;
6034 let buffer = buffer.read(cx);
6035 let change_set = &self.diff_map.diff_bases.get(&hunk.buffer_id)?.change_set;
6036 let original_text = change_set
6037 .read(cx)
6038 .base_text
6039 .as_ref()?
6040 .read(cx)
6041 .as_rope()
6042 .slice(hunk.diff_base_byte_range.clone());
6043 let buffer_snapshot = buffer.snapshot();
6044 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
6045 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
6046 probe
6047 .0
6048 .start
6049 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
6050 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
6051 }) {
6052 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
6053 Some(())
6054 } else {
6055 None
6056 }
6057 }
6058
6059 pub fn reverse_lines(&mut self, _: &ReverseLines, cx: &mut ViewContext<Self>) {
6060 self.manipulate_lines(cx, |lines| lines.reverse())
6061 }
6062
6063 pub fn shuffle_lines(&mut self, _: &ShuffleLines, cx: &mut ViewContext<Self>) {
6064 self.manipulate_lines(cx, |lines| lines.shuffle(&mut thread_rng()))
6065 }
6066
6067 fn manipulate_lines<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
6068 where
6069 Fn: FnMut(&mut Vec<&str>),
6070 {
6071 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6072 let buffer = self.buffer.read(cx).snapshot(cx);
6073
6074 let mut edits = Vec::new();
6075
6076 let selections = self.selections.all::<Point>(cx);
6077 let mut selections = selections.iter().peekable();
6078 let mut contiguous_row_selections = Vec::new();
6079 let mut new_selections = Vec::new();
6080 let mut added_lines = 0;
6081 let mut removed_lines = 0;
6082
6083 while let Some(selection) = selections.next() {
6084 let (start_row, end_row) = consume_contiguous_rows(
6085 &mut contiguous_row_selections,
6086 selection,
6087 &display_map,
6088 &mut selections,
6089 );
6090
6091 let start_point = Point::new(start_row.0, 0);
6092 let end_point = Point::new(
6093 end_row.previous_row().0,
6094 buffer.line_len(end_row.previous_row()),
6095 );
6096 let text = buffer
6097 .text_for_range(start_point..end_point)
6098 .collect::<String>();
6099
6100 let mut lines = text.split('\n').collect_vec();
6101
6102 let lines_before = lines.len();
6103 callback(&mut lines);
6104 let lines_after = lines.len();
6105
6106 edits.push((start_point..end_point, lines.join("\n")));
6107
6108 // Selections must change based on added and removed line count
6109 let start_row =
6110 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
6111 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
6112 new_selections.push(Selection {
6113 id: selection.id,
6114 start: start_row,
6115 end: end_row,
6116 goal: SelectionGoal::None,
6117 reversed: selection.reversed,
6118 });
6119
6120 if lines_after > lines_before {
6121 added_lines += lines_after - lines_before;
6122 } else if lines_before > lines_after {
6123 removed_lines += lines_before - lines_after;
6124 }
6125 }
6126
6127 self.transact(cx, |this, cx| {
6128 let buffer = this.buffer.update(cx, |buffer, cx| {
6129 buffer.edit(edits, None, cx);
6130 buffer.snapshot(cx)
6131 });
6132
6133 // Recalculate offsets on newly edited buffer
6134 let new_selections = new_selections
6135 .iter()
6136 .map(|s| {
6137 let start_point = Point::new(s.start.0, 0);
6138 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
6139 Selection {
6140 id: s.id,
6141 start: buffer.point_to_offset(start_point),
6142 end: buffer.point_to_offset(end_point),
6143 goal: s.goal,
6144 reversed: s.reversed,
6145 }
6146 })
6147 .collect();
6148
6149 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6150 s.select(new_selections);
6151 });
6152
6153 this.request_autoscroll(Autoscroll::fit(), cx);
6154 });
6155 }
6156
6157 pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
6158 self.manipulate_text(cx, |text| text.to_uppercase())
6159 }
6160
6161 pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
6162 self.manipulate_text(cx, |text| text.to_lowercase())
6163 }
6164
6165 pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
6166 self.manipulate_text(cx, |text| {
6167 // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
6168 // https://github.com/rutrum/convert-case/issues/16
6169 text.split('\n')
6170 .map(|line| line.to_case(Case::Title))
6171 .join("\n")
6172 })
6173 }
6174
6175 pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
6176 self.manipulate_text(cx, |text| text.to_case(Case::Snake))
6177 }
6178
6179 pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
6180 self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
6181 }
6182
6183 pub fn convert_to_upper_camel_case(
6184 &mut self,
6185 _: &ConvertToUpperCamelCase,
6186 cx: &mut ViewContext<Self>,
6187 ) {
6188 self.manipulate_text(cx, |text| {
6189 // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
6190 // https://github.com/rutrum/convert-case/issues/16
6191 text.split('\n')
6192 .map(|line| line.to_case(Case::UpperCamel))
6193 .join("\n")
6194 })
6195 }
6196
6197 pub fn convert_to_lower_camel_case(
6198 &mut self,
6199 _: &ConvertToLowerCamelCase,
6200 cx: &mut ViewContext<Self>,
6201 ) {
6202 self.manipulate_text(cx, |text| text.to_case(Case::Camel))
6203 }
6204
6205 pub fn convert_to_opposite_case(
6206 &mut self,
6207 _: &ConvertToOppositeCase,
6208 cx: &mut ViewContext<Self>,
6209 ) {
6210 self.manipulate_text(cx, |text| {
6211 text.chars()
6212 .fold(String::with_capacity(text.len()), |mut t, c| {
6213 if c.is_uppercase() {
6214 t.extend(c.to_lowercase());
6215 } else {
6216 t.extend(c.to_uppercase());
6217 }
6218 t
6219 })
6220 })
6221 }
6222
6223 fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
6224 where
6225 Fn: FnMut(&str) -> String,
6226 {
6227 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6228 let buffer = self.buffer.read(cx).snapshot(cx);
6229
6230 let mut new_selections = Vec::new();
6231 let mut edits = Vec::new();
6232 let mut selection_adjustment = 0i32;
6233
6234 for selection in self.selections.all::<usize>(cx) {
6235 let selection_is_empty = selection.is_empty();
6236
6237 let (start, end) = if selection_is_empty {
6238 let word_range = movement::surrounding_word(
6239 &display_map,
6240 selection.start.to_display_point(&display_map),
6241 );
6242 let start = word_range.start.to_offset(&display_map, Bias::Left);
6243 let end = word_range.end.to_offset(&display_map, Bias::Left);
6244 (start, end)
6245 } else {
6246 (selection.start, selection.end)
6247 };
6248
6249 let text = buffer.text_for_range(start..end).collect::<String>();
6250 let old_length = text.len() as i32;
6251 let text = callback(&text);
6252
6253 new_selections.push(Selection {
6254 start: (start as i32 - selection_adjustment) as usize,
6255 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6256 goal: SelectionGoal::None,
6257 ..selection
6258 });
6259
6260 selection_adjustment += old_length - text.len() as i32;
6261
6262 edits.push((start..end, text));
6263 }
6264
6265 self.transact(cx, |this, cx| {
6266 this.buffer.update(cx, |buffer, cx| {
6267 buffer.edit(edits, None, cx);
6268 });
6269
6270 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6271 s.select(new_selections);
6272 });
6273
6274 this.request_autoscroll(Autoscroll::fit(), cx);
6275 });
6276 }
6277
6278 pub fn duplicate(&mut self, upwards: bool, whole_lines: bool, cx: &mut ViewContext<Self>) {
6279 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6280 let buffer = &display_map.buffer_snapshot;
6281 let selections = self.selections.all::<Point>(cx);
6282
6283 let mut edits = Vec::new();
6284 let mut selections_iter = selections.iter().peekable();
6285 while let Some(selection) = selections_iter.next() {
6286 let mut rows = selection.spanned_rows(false, &display_map);
6287 // duplicate line-wise
6288 if whole_lines || selection.start == selection.end {
6289 // Avoid duplicating the same lines twice.
6290 while let Some(next_selection) = selections_iter.peek() {
6291 let next_rows = next_selection.spanned_rows(false, &display_map);
6292 if next_rows.start < rows.end {
6293 rows.end = next_rows.end;
6294 selections_iter.next().unwrap();
6295 } else {
6296 break;
6297 }
6298 }
6299
6300 // Copy the text from the selected row region and splice it either at the start
6301 // or end of the region.
6302 let start = Point::new(rows.start.0, 0);
6303 let end = Point::new(
6304 rows.end.previous_row().0,
6305 buffer.line_len(rows.end.previous_row()),
6306 );
6307 let text = buffer
6308 .text_for_range(start..end)
6309 .chain(Some("\n"))
6310 .collect::<String>();
6311 let insert_location = if upwards {
6312 Point::new(rows.end.0, 0)
6313 } else {
6314 start
6315 };
6316 edits.push((insert_location..insert_location, text));
6317 } else {
6318 // duplicate character-wise
6319 let start = selection.start;
6320 let end = selection.end;
6321 let text = buffer.text_for_range(start..end).collect::<String>();
6322 edits.push((selection.end..selection.end, text));
6323 }
6324 }
6325
6326 self.transact(cx, |this, cx| {
6327 this.buffer.update(cx, |buffer, cx| {
6328 buffer.edit(edits, None, cx);
6329 });
6330
6331 this.request_autoscroll(Autoscroll::fit(), cx);
6332 });
6333 }
6334
6335 pub fn duplicate_line_up(&mut self, _: &DuplicateLineUp, cx: &mut ViewContext<Self>) {
6336 self.duplicate(true, true, cx);
6337 }
6338
6339 pub fn duplicate_line_down(&mut self, _: &DuplicateLineDown, cx: &mut ViewContext<Self>) {
6340 self.duplicate(false, true, cx);
6341 }
6342
6343 pub fn duplicate_selection(&mut self, _: &DuplicateSelection, cx: &mut ViewContext<Self>) {
6344 self.duplicate(false, false, cx);
6345 }
6346
6347 pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
6348 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6349 let buffer = self.buffer.read(cx).snapshot(cx);
6350
6351 let mut edits = Vec::new();
6352 let mut unfold_ranges = Vec::new();
6353 let mut refold_creases = Vec::new();
6354
6355 let selections = self.selections.all::<Point>(cx);
6356 let mut selections = selections.iter().peekable();
6357 let mut contiguous_row_selections = Vec::new();
6358 let mut new_selections = Vec::new();
6359
6360 while let Some(selection) = selections.next() {
6361 // Find all the selections that span a contiguous row range
6362 let (start_row, end_row) = consume_contiguous_rows(
6363 &mut contiguous_row_selections,
6364 selection,
6365 &display_map,
6366 &mut selections,
6367 );
6368
6369 // Move the text spanned by the row range to be before the line preceding the row range
6370 if start_row.0 > 0 {
6371 let range_to_move = Point::new(
6372 start_row.previous_row().0,
6373 buffer.line_len(start_row.previous_row()),
6374 )
6375 ..Point::new(
6376 end_row.previous_row().0,
6377 buffer.line_len(end_row.previous_row()),
6378 );
6379 let insertion_point = display_map
6380 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6381 .0;
6382
6383 // Don't move lines across excerpts
6384 if buffer
6385 .excerpt_boundaries_in_range((
6386 Bound::Excluded(insertion_point),
6387 Bound::Included(range_to_move.end),
6388 ))
6389 .next()
6390 .is_none()
6391 {
6392 let text = buffer
6393 .text_for_range(range_to_move.clone())
6394 .flat_map(|s| s.chars())
6395 .skip(1)
6396 .chain(['\n'])
6397 .collect::<String>();
6398
6399 edits.push((
6400 buffer.anchor_after(range_to_move.start)
6401 ..buffer.anchor_before(range_to_move.end),
6402 String::new(),
6403 ));
6404 let insertion_anchor = buffer.anchor_after(insertion_point);
6405 edits.push((insertion_anchor..insertion_anchor, text));
6406
6407 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6408
6409 // Move selections up
6410 new_selections.extend(contiguous_row_selections.drain(..).map(
6411 |mut selection| {
6412 selection.start.row -= row_delta;
6413 selection.end.row -= row_delta;
6414 selection
6415 },
6416 ));
6417
6418 // Move folds up
6419 unfold_ranges.push(range_to_move.clone());
6420 for fold in display_map.folds_in_range(
6421 buffer.anchor_before(range_to_move.start)
6422 ..buffer.anchor_after(range_to_move.end),
6423 ) {
6424 let mut start = fold.range.start.to_point(&buffer);
6425 let mut end = fold.range.end.to_point(&buffer);
6426 start.row -= row_delta;
6427 end.row -= row_delta;
6428 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6429 }
6430 }
6431 }
6432
6433 // If we didn't move line(s), preserve the existing selections
6434 new_selections.append(&mut contiguous_row_selections);
6435 }
6436
6437 self.transact(cx, |this, cx| {
6438 this.unfold_ranges(&unfold_ranges, true, true, cx);
6439 this.buffer.update(cx, |buffer, cx| {
6440 for (range, text) in edits {
6441 buffer.edit([(range, text)], None, cx);
6442 }
6443 });
6444 this.fold_creases(refold_creases, true, cx);
6445 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6446 s.select(new_selections);
6447 })
6448 });
6449 }
6450
6451 pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
6452 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6453 let buffer = self.buffer.read(cx).snapshot(cx);
6454
6455 let mut edits = Vec::new();
6456 let mut unfold_ranges = Vec::new();
6457 let mut refold_creases = 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
6464 while let Some(selection) = selections.next() {
6465 // Find all the selections that span a contiguous row range
6466 let (start_row, end_row) = consume_contiguous_rows(
6467 &mut contiguous_row_selections,
6468 selection,
6469 &display_map,
6470 &mut selections,
6471 );
6472
6473 // Move the text spanned by the row range to be after the last line of the row range
6474 if end_row.0 <= buffer.max_point().row {
6475 let range_to_move =
6476 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6477 let insertion_point = display_map
6478 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6479 .0;
6480
6481 // Don't move lines across excerpt boundaries
6482 if buffer
6483 .excerpt_boundaries_in_range((
6484 Bound::Excluded(range_to_move.start),
6485 Bound::Included(insertion_point),
6486 ))
6487 .next()
6488 .is_none()
6489 {
6490 let mut text = String::from("\n");
6491 text.extend(buffer.text_for_range(range_to_move.clone()));
6492 text.pop(); // Drop trailing newline
6493 edits.push((
6494 buffer.anchor_after(range_to_move.start)
6495 ..buffer.anchor_before(range_to_move.end),
6496 String::new(),
6497 ));
6498 let insertion_anchor = buffer.anchor_after(insertion_point);
6499 edits.push((insertion_anchor..insertion_anchor, text));
6500
6501 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6502
6503 // Move selections down
6504 new_selections.extend(contiguous_row_selections.drain(..).map(
6505 |mut selection| {
6506 selection.start.row += row_delta;
6507 selection.end.row += row_delta;
6508 selection
6509 },
6510 ));
6511
6512 // Move folds down
6513 unfold_ranges.push(range_to_move.clone());
6514 for fold in display_map.folds_in_range(
6515 buffer.anchor_before(range_to_move.start)
6516 ..buffer.anchor_after(range_to_move.end),
6517 ) {
6518 let mut start = fold.range.start.to_point(&buffer);
6519 let mut end = fold.range.end.to_point(&buffer);
6520 start.row += row_delta;
6521 end.row += row_delta;
6522 refold_creases.push(Crease::simple(start..end, fold.placeholder.clone()));
6523 }
6524 }
6525 }
6526
6527 // If we didn't move line(s), preserve the existing selections
6528 new_selections.append(&mut contiguous_row_selections);
6529 }
6530
6531 self.transact(cx, |this, cx| {
6532 this.unfold_ranges(&unfold_ranges, true, true, cx);
6533 this.buffer.update(cx, |buffer, cx| {
6534 for (range, text) in edits {
6535 buffer.edit([(range, text)], None, cx);
6536 }
6537 });
6538 this.fold_creases(refold_creases, true, cx);
6539 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
6540 });
6541 }
6542
6543 pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
6544 let text_layout_details = &self.text_layout_details(cx);
6545 self.transact(cx, |this, cx| {
6546 let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6547 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6548 let line_mode = s.line_mode;
6549 s.move_with(|display_map, selection| {
6550 if !selection.is_empty() || line_mode {
6551 return;
6552 }
6553
6554 let mut head = selection.head();
6555 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6556 if head.column() == display_map.line_len(head.row()) {
6557 transpose_offset = display_map
6558 .buffer_snapshot
6559 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6560 }
6561
6562 if transpose_offset == 0 {
6563 return;
6564 }
6565
6566 *head.column_mut() += 1;
6567 head = display_map.clip_point(head, Bias::Right);
6568 let goal = SelectionGoal::HorizontalPosition(
6569 display_map
6570 .x_for_display_point(head, text_layout_details)
6571 .into(),
6572 );
6573 selection.collapse_to(head, goal);
6574
6575 let transpose_start = display_map
6576 .buffer_snapshot
6577 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6578 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
6579 let transpose_end = display_map
6580 .buffer_snapshot
6581 .clip_offset(transpose_offset + 1, Bias::Right);
6582 if let Some(ch) =
6583 display_map.buffer_snapshot.chars_at(transpose_start).next()
6584 {
6585 edits.push((transpose_start..transpose_offset, String::new()));
6586 edits.push((transpose_end..transpose_end, ch.to_string()));
6587 }
6588 }
6589 });
6590 edits
6591 });
6592 this.buffer
6593 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
6594 let selections = this.selections.all::<usize>(cx);
6595 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6596 s.select(selections);
6597 });
6598 });
6599 }
6600
6601 pub fn rewrap(&mut self, _: &Rewrap, cx: &mut ViewContext<Self>) {
6602 self.rewrap_impl(IsVimMode::No, cx)
6603 }
6604
6605 pub fn rewrap_impl(&mut self, is_vim_mode: IsVimMode, cx: &mut ViewContext<Self>) {
6606 let buffer = self.buffer.read(cx).snapshot(cx);
6607 let selections = self.selections.all::<Point>(cx);
6608 let mut selections = selections.iter().peekable();
6609
6610 let mut edits = Vec::new();
6611 let mut rewrapped_row_ranges = Vec::<RangeInclusive<u32>>::new();
6612
6613 while let Some(selection) = selections.next() {
6614 let mut start_row = selection.start.row;
6615 let mut end_row = selection.end.row;
6616
6617 // Skip selections that overlap with a range that has already been rewrapped.
6618 let selection_range = start_row..end_row;
6619 if rewrapped_row_ranges
6620 .iter()
6621 .any(|range| range.overlaps(&selection_range))
6622 {
6623 continue;
6624 }
6625
6626 let mut should_rewrap = is_vim_mode == IsVimMode::Yes;
6627
6628 if let Some(language_scope) = buffer.language_scope_at(selection.head()) {
6629 match language_scope.language_name().0.as_ref() {
6630 "Markdown" | "Plain Text" => {
6631 should_rewrap = true;
6632 }
6633 _ => {}
6634 }
6635 }
6636
6637 let tab_size = buffer.settings_at(selection.head(), cx).tab_size;
6638
6639 // Since not all lines in the selection may be at the same indent
6640 // level, choose the indent size that is the most common between all
6641 // of the lines.
6642 //
6643 // If there is a tie, we use the deepest indent.
6644 let (indent_size, indent_end) = {
6645 let mut indent_size_occurrences = HashMap::default();
6646 let mut rows_by_indent_size = HashMap::<IndentSize, Vec<u32>>::default();
6647
6648 for row in start_row..=end_row {
6649 let indent = buffer.indent_size_for_line(MultiBufferRow(row));
6650 rows_by_indent_size.entry(indent).or_default().push(row);
6651 *indent_size_occurrences.entry(indent).or_insert(0) += 1;
6652 }
6653
6654 let indent_size = indent_size_occurrences
6655 .into_iter()
6656 .max_by_key(|(indent, count)| (*count, indent.len_with_expanded_tabs(tab_size)))
6657 .map(|(indent, _)| indent)
6658 .unwrap_or_default();
6659 let row = rows_by_indent_size[&indent_size][0];
6660 let indent_end = Point::new(row, indent_size.len);
6661
6662 (indent_size, indent_end)
6663 };
6664
6665 let mut line_prefix = indent_size.chars().collect::<String>();
6666
6667 if let Some(comment_prefix) =
6668 buffer
6669 .language_scope_at(selection.head())
6670 .and_then(|language| {
6671 language
6672 .line_comment_prefixes()
6673 .iter()
6674 .find(|prefix| buffer.contains_str_at(indent_end, prefix))
6675 .cloned()
6676 })
6677 {
6678 line_prefix.push_str(&comment_prefix);
6679 should_rewrap = true;
6680 }
6681
6682 if !should_rewrap {
6683 continue;
6684 }
6685
6686 if selection.is_empty() {
6687 'expand_upwards: while start_row > 0 {
6688 let prev_row = start_row - 1;
6689 if buffer.contains_str_at(Point::new(prev_row, 0), &line_prefix)
6690 && buffer.line_len(MultiBufferRow(prev_row)) as usize > line_prefix.len()
6691 {
6692 start_row = prev_row;
6693 } else {
6694 break 'expand_upwards;
6695 }
6696 }
6697
6698 'expand_downwards: while end_row < buffer.max_point().row {
6699 let next_row = end_row + 1;
6700 if buffer.contains_str_at(Point::new(next_row, 0), &line_prefix)
6701 && buffer.line_len(MultiBufferRow(next_row)) as usize > line_prefix.len()
6702 {
6703 end_row = next_row;
6704 } else {
6705 break 'expand_downwards;
6706 }
6707 }
6708 }
6709
6710 let start = Point::new(start_row, 0);
6711 let end = Point::new(end_row, buffer.line_len(MultiBufferRow(end_row)));
6712 let selection_text = buffer.text_for_range(start..end).collect::<String>();
6713 let Some(lines_without_prefixes) = selection_text
6714 .lines()
6715 .map(|line| {
6716 line.strip_prefix(&line_prefix)
6717 .or_else(|| line.trim_start().strip_prefix(&line_prefix.trim_start()))
6718 .ok_or_else(|| {
6719 anyhow!("line did not start with prefix {line_prefix:?}: {line:?}")
6720 })
6721 })
6722 .collect::<Result<Vec<_>, _>>()
6723 .log_err()
6724 else {
6725 continue;
6726 };
6727
6728 let wrap_column = buffer
6729 .settings_at(Point::new(start_row, 0), cx)
6730 .preferred_line_length as usize;
6731 let wrapped_text = wrap_with_prefix(
6732 line_prefix,
6733 lines_without_prefixes.join(" "),
6734 wrap_column,
6735 tab_size,
6736 );
6737
6738 // TODO: should always use char-based diff while still supporting cursor behavior that
6739 // matches vim.
6740 let diff = match is_vim_mode {
6741 IsVimMode::Yes => TextDiff::from_lines(&selection_text, &wrapped_text),
6742 IsVimMode::No => TextDiff::from_chars(&selection_text, &wrapped_text),
6743 };
6744 let mut offset = start.to_offset(&buffer);
6745 let mut moved_since_edit = true;
6746
6747 for change in diff.iter_all_changes() {
6748 let value = change.value();
6749 match change.tag() {
6750 ChangeTag::Equal => {
6751 offset += value.len();
6752 moved_since_edit = true;
6753 }
6754 ChangeTag::Delete => {
6755 let start = buffer.anchor_after(offset);
6756 let end = buffer.anchor_before(offset + value.len());
6757
6758 if moved_since_edit {
6759 edits.push((start..end, String::new()));
6760 } else {
6761 edits.last_mut().unwrap().0.end = end;
6762 }
6763
6764 offset += value.len();
6765 moved_since_edit = false;
6766 }
6767 ChangeTag::Insert => {
6768 if moved_since_edit {
6769 let anchor = buffer.anchor_after(offset);
6770 edits.push((anchor..anchor, value.to_string()));
6771 } else {
6772 edits.last_mut().unwrap().1.push_str(value);
6773 }
6774
6775 moved_since_edit = false;
6776 }
6777 }
6778 }
6779
6780 rewrapped_row_ranges.push(start_row..=end_row);
6781 }
6782
6783 self.buffer
6784 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
6785 }
6786
6787 pub fn cut_common(&mut self, cx: &mut ViewContext<Self>) -> ClipboardItem {
6788 let mut text = String::new();
6789 let buffer = self.buffer.read(cx).snapshot(cx);
6790 let mut selections = self.selections.all::<Point>(cx);
6791 let mut clipboard_selections = Vec::with_capacity(selections.len());
6792 {
6793 let max_point = buffer.max_point();
6794 let mut is_first = true;
6795 for selection in &mut selections {
6796 let is_entire_line = selection.is_empty() || self.selections.line_mode;
6797 if is_entire_line {
6798 selection.start = Point::new(selection.start.row, 0);
6799 if !selection.is_empty() && selection.end.column == 0 {
6800 selection.end = cmp::min(max_point, selection.end);
6801 } else {
6802 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
6803 }
6804 selection.goal = SelectionGoal::None;
6805 }
6806 if is_first {
6807 is_first = false;
6808 } else {
6809 text += "\n";
6810 }
6811 let mut len = 0;
6812 for chunk in buffer.text_for_range(selection.start..selection.end) {
6813 text.push_str(chunk);
6814 len += chunk.len();
6815 }
6816 clipboard_selections.push(ClipboardSelection {
6817 len,
6818 is_entire_line,
6819 first_line_indent: buffer
6820 .indent_size_for_line(MultiBufferRow(selection.start.row))
6821 .len,
6822 });
6823 }
6824 }
6825
6826 self.transact(cx, |this, cx| {
6827 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6828 s.select(selections);
6829 });
6830 this.insert("", cx);
6831 });
6832 ClipboardItem::new_string_with_json_metadata(text, clipboard_selections)
6833 }
6834
6835 pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
6836 let item = self.cut_common(cx);
6837 cx.write_to_clipboard(item);
6838 }
6839
6840 pub fn kill_ring_cut(&mut self, _: &KillRingCut, cx: &mut ViewContext<Self>) {
6841 self.change_selections(None, cx, |s| {
6842 s.move_with(|snapshot, sel| {
6843 if sel.is_empty() {
6844 sel.end = DisplayPoint::new(sel.end.row(), snapshot.line_len(sel.end.row()))
6845 }
6846 });
6847 });
6848 let item = self.cut_common(cx);
6849 cx.set_global(KillRing(item))
6850 }
6851
6852 pub fn kill_ring_yank(&mut self, _: &KillRingYank, cx: &mut ViewContext<Self>) {
6853 let (text, metadata) = if let Some(KillRing(item)) = cx.try_global() {
6854 if let Some(ClipboardEntry::String(kill_ring)) = item.entries().first() {
6855 (kill_ring.text().to_string(), kill_ring.metadata_json())
6856 } else {
6857 return;
6858 }
6859 } else {
6860 return;
6861 };
6862 self.do_paste(&text, metadata, false, cx);
6863 }
6864
6865 pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
6866 let selections = self.selections.all::<Point>(cx);
6867 let buffer = self.buffer.read(cx).read(cx);
6868 let mut text = String::new();
6869
6870 let mut clipboard_selections = Vec::with_capacity(selections.len());
6871 {
6872 let max_point = buffer.max_point();
6873 let mut is_first = true;
6874 for selection in selections.iter() {
6875 let mut start = selection.start;
6876 let mut end = selection.end;
6877 let is_entire_line = selection.is_empty() || self.selections.line_mode;
6878 if is_entire_line {
6879 start = Point::new(start.row, 0);
6880 end = cmp::min(max_point, Point::new(end.row + 1, 0));
6881 }
6882 if is_first {
6883 is_first = false;
6884 } else {
6885 text += "\n";
6886 }
6887 let mut len = 0;
6888 for chunk in buffer.text_for_range(start..end) {
6889 text.push_str(chunk);
6890 len += chunk.len();
6891 }
6892 clipboard_selections.push(ClipboardSelection {
6893 len,
6894 is_entire_line,
6895 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
6896 });
6897 }
6898 }
6899
6900 cx.write_to_clipboard(ClipboardItem::new_string_with_json_metadata(
6901 text,
6902 clipboard_selections,
6903 ));
6904 }
6905
6906 pub fn do_paste(
6907 &mut self,
6908 text: &String,
6909 clipboard_selections: Option<Vec<ClipboardSelection>>,
6910 handle_entire_lines: bool,
6911 cx: &mut ViewContext<Self>,
6912 ) {
6913 if self.read_only(cx) {
6914 return;
6915 }
6916
6917 let clipboard_text = Cow::Borrowed(text);
6918
6919 self.transact(cx, |this, cx| {
6920 if let Some(mut clipboard_selections) = clipboard_selections {
6921 let old_selections = this.selections.all::<usize>(cx);
6922 let all_selections_were_entire_line =
6923 clipboard_selections.iter().all(|s| s.is_entire_line);
6924 let first_selection_indent_column =
6925 clipboard_selections.first().map(|s| s.first_line_indent);
6926 if clipboard_selections.len() != old_selections.len() {
6927 clipboard_selections.drain(..);
6928 }
6929 let cursor_offset = this.selections.last::<usize>(cx).head();
6930 let mut auto_indent_on_paste = true;
6931
6932 this.buffer.update(cx, |buffer, cx| {
6933 let snapshot = buffer.read(cx);
6934 auto_indent_on_paste =
6935 snapshot.settings_at(cursor_offset, cx).auto_indent_on_paste;
6936
6937 let mut start_offset = 0;
6938 let mut edits = Vec::new();
6939 let mut original_indent_columns = Vec::new();
6940 for (ix, selection) in old_selections.iter().enumerate() {
6941 let to_insert;
6942 let entire_line;
6943 let original_indent_column;
6944 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
6945 let end_offset = start_offset + clipboard_selection.len;
6946 to_insert = &clipboard_text[start_offset..end_offset];
6947 entire_line = clipboard_selection.is_entire_line;
6948 start_offset = end_offset + 1;
6949 original_indent_column = Some(clipboard_selection.first_line_indent);
6950 } else {
6951 to_insert = clipboard_text.as_str();
6952 entire_line = all_selections_were_entire_line;
6953 original_indent_column = first_selection_indent_column
6954 }
6955
6956 // If the corresponding selection was empty when this slice of the
6957 // clipboard text was written, then the entire line containing the
6958 // selection was copied. If this selection is also currently empty,
6959 // then paste the line before the current line of the buffer.
6960 let range = if selection.is_empty() && handle_entire_lines && entire_line {
6961 let column = selection.start.to_point(&snapshot).column as usize;
6962 let line_start = selection.start - column;
6963 line_start..line_start
6964 } else {
6965 selection.range()
6966 };
6967
6968 edits.push((range, to_insert));
6969 original_indent_columns.extend(original_indent_column);
6970 }
6971 drop(snapshot);
6972
6973 buffer.edit(
6974 edits,
6975 if auto_indent_on_paste {
6976 Some(AutoindentMode::Block {
6977 original_indent_columns,
6978 })
6979 } else {
6980 None
6981 },
6982 cx,
6983 );
6984 });
6985
6986 let selections = this.selections.all::<usize>(cx);
6987 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
6988 } else {
6989 this.insert(&clipboard_text, cx);
6990 }
6991 });
6992 }
6993
6994 pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
6995 if let Some(item) = cx.read_from_clipboard() {
6996 let entries = item.entries();
6997
6998 match entries.first() {
6999 // For now, we only support applying metadata if there's one string. In the future, we can incorporate all the selections
7000 // of all the pasted entries.
7001 Some(ClipboardEntry::String(clipboard_string)) if entries.len() == 1 => self
7002 .do_paste(
7003 clipboard_string.text(),
7004 clipboard_string.metadata_json::<Vec<ClipboardSelection>>(),
7005 true,
7006 cx,
7007 ),
7008 _ => self.do_paste(&item.text().unwrap_or_default(), None, true, cx),
7009 }
7010 }
7011 }
7012
7013 pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
7014 if self.read_only(cx) {
7015 return;
7016 }
7017
7018 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
7019 if let Some((selections, _)) =
7020 self.selection_history.transaction(transaction_id).cloned()
7021 {
7022 self.change_selections(None, cx, |s| {
7023 s.select_anchors(selections.to_vec());
7024 });
7025 }
7026 self.request_autoscroll(Autoscroll::fit(), cx);
7027 self.unmark_text(cx);
7028 self.refresh_inline_completion(true, false, cx);
7029 cx.emit(EditorEvent::Edited { transaction_id });
7030 cx.emit(EditorEvent::TransactionUndone { transaction_id });
7031 }
7032 }
7033
7034 pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
7035 if self.read_only(cx) {
7036 return;
7037 }
7038
7039 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
7040 if let Some((_, Some(selections))) =
7041 self.selection_history.transaction(transaction_id).cloned()
7042 {
7043 self.change_selections(None, cx, |s| {
7044 s.select_anchors(selections.to_vec());
7045 });
7046 }
7047 self.request_autoscroll(Autoscroll::fit(), cx);
7048 self.unmark_text(cx);
7049 self.refresh_inline_completion(true, false, cx);
7050 cx.emit(EditorEvent::Edited { transaction_id });
7051 }
7052 }
7053
7054 pub fn finalize_last_transaction(&mut self, cx: &mut ViewContext<Self>) {
7055 self.buffer
7056 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
7057 }
7058
7059 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut ViewContext<Self>) {
7060 self.buffer
7061 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
7062 }
7063
7064 pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
7065 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7066 let line_mode = s.line_mode;
7067 s.move_with(|map, selection| {
7068 let cursor = if selection.is_empty() && !line_mode {
7069 movement::left(map, selection.start)
7070 } else {
7071 selection.start
7072 };
7073 selection.collapse_to(cursor, SelectionGoal::None);
7074 });
7075 })
7076 }
7077
7078 pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
7079 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7080 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
7081 })
7082 }
7083
7084 pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
7085 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7086 let line_mode = s.line_mode;
7087 s.move_with(|map, selection| {
7088 let cursor = if selection.is_empty() && !line_mode {
7089 movement::right(map, selection.end)
7090 } else {
7091 selection.end
7092 };
7093 selection.collapse_to(cursor, SelectionGoal::None)
7094 });
7095 })
7096 }
7097
7098 pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
7099 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7100 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
7101 })
7102 }
7103
7104 pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
7105 if self.take_rename(true, cx).is_some() {
7106 return;
7107 }
7108
7109 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7110 cx.propagate();
7111 return;
7112 }
7113
7114 let text_layout_details = &self.text_layout_details(cx);
7115 let selection_count = self.selections.count();
7116 let first_selection = self.selections.first_anchor();
7117
7118 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7119 let line_mode = s.line_mode;
7120 s.move_with(|map, selection| {
7121 if !selection.is_empty() && !line_mode {
7122 selection.goal = SelectionGoal::None;
7123 }
7124 let (cursor, goal) = movement::up(
7125 map,
7126 selection.start,
7127 selection.goal,
7128 false,
7129 text_layout_details,
7130 );
7131 selection.collapse_to(cursor, goal);
7132 });
7133 });
7134
7135 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7136 {
7137 cx.propagate();
7138 }
7139 }
7140
7141 pub fn move_up_by_lines(&mut self, action: &MoveUpByLines, cx: &mut ViewContext<Self>) {
7142 if self.take_rename(true, cx).is_some() {
7143 return;
7144 }
7145
7146 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7147 cx.propagate();
7148 return;
7149 }
7150
7151 let text_layout_details = &self.text_layout_details(cx);
7152
7153 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7154 let line_mode = s.line_mode;
7155 s.move_with(|map, selection| {
7156 if !selection.is_empty() && !line_mode {
7157 selection.goal = SelectionGoal::None;
7158 }
7159 let (cursor, goal) = movement::up_by_rows(
7160 map,
7161 selection.start,
7162 action.lines,
7163 selection.goal,
7164 false,
7165 text_layout_details,
7166 );
7167 selection.collapse_to(cursor, goal);
7168 });
7169 })
7170 }
7171
7172 pub fn move_down_by_lines(&mut self, action: &MoveDownByLines, cx: &mut ViewContext<Self>) {
7173 if self.take_rename(true, cx).is_some() {
7174 return;
7175 }
7176
7177 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7178 cx.propagate();
7179 return;
7180 }
7181
7182 let text_layout_details = &self.text_layout_details(cx);
7183
7184 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7185 let line_mode = s.line_mode;
7186 s.move_with(|map, selection| {
7187 if !selection.is_empty() && !line_mode {
7188 selection.goal = SelectionGoal::None;
7189 }
7190 let (cursor, goal) = movement::down_by_rows(
7191 map,
7192 selection.start,
7193 action.lines,
7194 selection.goal,
7195 false,
7196 text_layout_details,
7197 );
7198 selection.collapse_to(cursor, goal);
7199 });
7200 })
7201 }
7202
7203 pub fn select_down_by_lines(&mut self, action: &SelectDownByLines, cx: &mut ViewContext<Self>) {
7204 let text_layout_details = &self.text_layout_details(cx);
7205 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7206 s.move_heads_with(|map, head, goal| {
7207 movement::down_by_rows(map, head, action.lines, goal, false, text_layout_details)
7208 })
7209 })
7210 }
7211
7212 pub fn select_up_by_lines(&mut self, action: &SelectUpByLines, cx: &mut ViewContext<Self>) {
7213 let text_layout_details = &self.text_layout_details(cx);
7214 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7215 s.move_heads_with(|map, head, goal| {
7216 movement::up_by_rows(map, head, action.lines, goal, false, text_layout_details)
7217 })
7218 })
7219 }
7220
7221 pub fn select_page_up(&mut self, _: &SelectPageUp, cx: &mut ViewContext<Self>) {
7222 let Some(row_count) = self.visible_row_count() else {
7223 return;
7224 };
7225
7226 let text_layout_details = &self.text_layout_details(cx);
7227
7228 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7229 s.move_heads_with(|map, head, goal| {
7230 movement::up_by_rows(map, head, row_count, goal, false, text_layout_details)
7231 })
7232 })
7233 }
7234
7235 pub fn move_page_up(&mut self, action: &MovePageUp, cx: &mut ViewContext<Self>) {
7236 if self.take_rename(true, cx).is_some() {
7237 return;
7238 }
7239
7240 if self
7241 .context_menu
7242 .borrow_mut()
7243 .as_mut()
7244 .map(|menu| menu.select_first(self.completion_provider.as_deref(), cx))
7245 .unwrap_or(false)
7246 {
7247 return;
7248 }
7249
7250 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7251 cx.propagate();
7252 return;
7253 }
7254
7255 let Some(row_count) = self.visible_row_count() else {
7256 return;
7257 };
7258
7259 let autoscroll = if action.center_cursor {
7260 Autoscroll::center()
7261 } else {
7262 Autoscroll::fit()
7263 };
7264
7265 let text_layout_details = &self.text_layout_details(cx);
7266
7267 self.change_selections(Some(autoscroll), cx, |s| {
7268 let line_mode = s.line_mode;
7269 s.move_with(|map, selection| {
7270 if !selection.is_empty() && !line_mode {
7271 selection.goal = SelectionGoal::None;
7272 }
7273 let (cursor, goal) = movement::up_by_rows(
7274 map,
7275 selection.end,
7276 row_count,
7277 selection.goal,
7278 false,
7279 text_layout_details,
7280 );
7281 selection.collapse_to(cursor, goal);
7282 });
7283 });
7284 }
7285
7286 pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
7287 let text_layout_details = &self.text_layout_details(cx);
7288 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7289 s.move_heads_with(|map, head, goal| {
7290 movement::up(map, head, goal, false, text_layout_details)
7291 })
7292 })
7293 }
7294
7295 pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
7296 self.take_rename(true, cx);
7297
7298 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7299 cx.propagate();
7300 return;
7301 }
7302
7303 let text_layout_details = &self.text_layout_details(cx);
7304 let selection_count = self.selections.count();
7305 let first_selection = self.selections.first_anchor();
7306
7307 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7308 let line_mode = s.line_mode;
7309 s.move_with(|map, selection| {
7310 if !selection.is_empty() && !line_mode {
7311 selection.goal = SelectionGoal::None;
7312 }
7313 let (cursor, goal) = movement::down(
7314 map,
7315 selection.end,
7316 selection.goal,
7317 false,
7318 text_layout_details,
7319 );
7320 selection.collapse_to(cursor, goal);
7321 });
7322 });
7323
7324 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
7325 {
7326 cx.propagate();
7327 }
7328 }
7329
7330 pub fn select_page_down(&mut self, _: &SelectPageDown, cx: &mut ViewContext<Self>) {
7331 let Some(row_count) = self.visible_row_count() else {
7332 return;
7333 };
7334
7335 let text_layout_details = &self.text_layout_details(cx);
7336
7337 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7338 s.move_heads_with(|map, head, goal| {
7339 movement::down_by_rows(map, head, row_count, goal, false, text_layout_details)
7340 })
7341 })
7342 }
7343
7344 pub fn move_page_down(&mut self, action: &MovePageDown, cx: &mut ViewContext<Self>) {
7345 if self.take_rename(true, cx).is_some() {
7346 return;
7347 }
7348
7349 if self
7350 .context_menu
7351 .borrow_mut()
7352 .as_mut()
7353 .map(|menu| menu.select_last(self.completion_provider.as_deref(), cx))
7354 .unwrap_or(false)
7355 {
7356 return;
7357 }
7358
7359 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7360 cx.propagate();
7361 return;
7362 }
7363
7364 let Some(row_count) = self.visible_row_count() else {
7365 return;
7366 };
7367
7368 let autoscroll = if action.center_cursor {
7369 Autoscroll::center()
7370 } else {
7371 Autoscroll::fit()
7372 };
7373
7374 let text_layout_details = &self.text_layout_details(cx);
7375 self.change_selections(Some(autoscroll), cx, |s| {
7376 let line_mode = s.line_mode;
7377 s.move_with(|map, selection| {
7378 if !selection.is_empty() && !line_mode {
7379 selection.goal = SelectionGoal::None;
7380 }
7381 let (cursor, goal) = movement::down_by_rows(
7382 map,
7383 selection.end,
7384 row_count,
7385 selection.goal,
7386 false,
7387 text_layout_details,
7388 );
7389 selection.collapse_to(cursor, goal);
7390 });
7391 });
7392 }
7393
7394 pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
7395 let text_layout_details = &self.text_layout_details(cx);
7396 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7397 s.move_heads_with(|map, head, goal| {
7398 movement::down(map, head, goal, false, text_layout_details)
7399 })
7400 });
7401 }
7402
7403 pub fn context_menu_first(&mut self, _: &ContextMenuFirst, cx: &mut ViewContext<Self>) {
7404 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7405 context_menu.select_first(self.completion_provider.as_deref(), cx);
7406 }
7407 }
7408
7409 pub fn context_menu_prev(&mut self, _: &ContextMenuPrev, cx: &mut ViewContext<Self>) {
7410 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7411 context_menu.select_prev(self.completion_provider.as_deref(), cx);
7412 }
7413 }
7414
7415 pub fn context_menu_next(&mut self, _: &ContextMenuNext, cx: &mut ViewContext<Self>) {
7416 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7417 context_menu.select_next(self.completion_provider.as_deref(), cx);
7418 }
7419 }
7420
7421 pub fn context_menu_last(&mut self, _: &ContextMenuLast, cx: &mut ViewContext<Self>) {
7422 if let Some(context_menu) = self.context_menu.borrow_mut().as_mut() {
7423 context_menu.select_last(self.completion_provider.as_deref(), cx);
7424 }
7425 }
7426
7427 pub fn move_to_previous_word_start(
7428 &mut self,
7429 _: &MoveToPreviousWordStart,
7430 cx: &mut ViewContext<Self>,
7431 ) {
7432 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7433 s.move_cursors_with(|map, head, _| {
7434 (
7435 movement::previous_word_start(map, head),
7436 SelectionGoal::None,
7437 )
7438 });
7439 })
7440 }
7441
7442 pub fn move_to_previous_subword_start(
7443 &mut self,
7444 _: &MoveToPreviousSubwordStart,
7445 cx: &mut ViewContext<Self>,
7446 ) {
7447 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7448 s.move_cursors_with(|map, head, _| {
7449 (
7450 movement::previous_subword_start(map, head),
7451 SelectionGoal::None,
7452 )
7453 });
7454 })
7455 }
7456
7457 pub fn select_to_previous_word_start(
7458 &mut self,
7459 _: &SelectToPreviousWordStart,
7460 cx: &mut ViewContext<Self>,
7461 ) {
7462 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7463 s.move_heads_with(|map, head, _| {
7464 (
7465 movement::previous_word_start(map, head),
7466 SelectionGoal::None,
7467 )
7468 });
7469 })
7470 }
7471
7472 pub fn select_to_previous_subword_start(
7473 &mut self,
7474 _: &SelectToPreviousSubwordStart,
7475 cx: &mut ViewContext<Self>,
7476 ) {
7477 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7478 s.move_heads_with(|map, head, _| {
7479 (
7480 movement::previous_subword_start(map, head),
7481 SelectionGoal::None,
7482 )
7483 });
7484 })
7485 }
7486
7487 pub fn delete_to_previous_word_start(
7488 &mut self,
7489 action: &DeleteToPreviousWordStart,
7490 cx: &mut ViewContext<Self>,
7491 ) {
7492 self.transact(cx, |this, cx| {
7493 this.select_autoclose_pair(cx);
7494 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7495 let line_mode = s.line_mode;
7496 s.move_with(|map, selection| {
7497 if selection.is_empty() && !line_mode {
7498 let cursor = if action.ignore_newlines {
7499 movement::previous_word_start(map, selection.head())
7500 } else {
7501 movement::previous_word_start_or_newline(map, selection.head())
7502 };
7503 selection.set_head(cursor, SelectionGoal::None);
7504 }
7505 });
7506 });
7507 this.insert("", cx);
7508 });
7509 }
7510
7511 pub fn delete_to_previous_subword_start(
7512 &mut self,
7513 _: &DeleteToPreviousSubwordStart,
7514 cx: &mut ViewContext<Self>,
7515 ) {
7516 self.transact(cx, |this, cx| {
7517 this.select_autoclose_pair(cx);
7518 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7519 let line_mode = s.line_mode;
7520 s.move_with(|map, selection| {
7521 if selection.is_empty() && !line_mode {
7522 let cursor = movement::previous_subword_start(map, selection.head());
7523 selection.set_head(cursor, SelectionGoal::None);
7524 }
7525 });
7526 });
7527 this.insert("", cx);
7528 });
7529 }
7530
7531 pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
7532 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7533 s.move_cursors_with(|map, head, _| {
7534 (movement::next_word_end(map, head), SelectionGoal::None)
7535 });
7536 })
7537 }
7538
7539 pub fn move_to_next_subword_end(
7540 &mut self,
7541 _: &MoveToNextSubwordEnd,
7542 cx: &mut ViewContext<Self>,
7543 ) {
7544 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7545 s.move_cursors_with(|map, head, _| {
7546 (movement::next_subword_end(map, head), SelectionGoal::None)
7547 });
7548 })
7549 }
7550
7551 pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
7552 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7553 s.move_heads_with(|map, head, _| {
7554 (movement::next_word_end(map, head), SelectionGoal::None)
7555 });
7556 })
7557 }
7558
7559 pub fn select_to_next_subword_end(
7560 &mut self,
7561 _: &SelectToNextSubwordEnd,
7562 cx: &mut ViewContext<Self>,
7563 ) {
7564 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7565 s.move_heads_with(|map, head, _| {
7566 (movement::next_subword_end(map, head), SelectionGoal::None)
7567 });
7568 })
7569 }
7570
7571 pub fn delete_to_next_word_end(
7572 &mut self,
7573 action: &DeleteToNextWordEnd,
7574 cx: &mut ViewContext<Self>,
7575 ) {
7576 self.transact(cx, |this, cx| {
7577 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7578 let line_mode = s.line_mode;
7579 s.move_with(|map, selection| {
7580 if selection.is_empty() && !line_mode {
7581 let cursor = if action.ignore_newlines {
7582 movement::next_word_end(map, selection.head())
7583 } else {
7584 movement::next_word_end_or_newline(map, selection.head())
7585 };
7586 selection.set_head(cursor, SelectionGoal::None);
7587 }
7588 });
7589 });
7590 this.insert("", cx);
7591 });
7592 }
7593
7594 pub fn delete_to_next_subword_end(
7595 &mut self,
7596 _: &DeleteToNextSubwordEnd,
7597 cx: &mut ViewContext<Self>,
7598 ) {
7599 self.transact(cx, |this, cx| {
7600 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7601 s.move_with(|map, selection| {
7602 if selection.is_empty() {
7603 let cursor = movement::next_subword_end(map, selection.head());
7604 selection.set_head(cursor, SelectionGoal::None);
7605 }
7606 });
7607 });
7608 this.insert("", cx);
7609 });
7610 }
7611
7612 pub fn move_to_beginning_of_line(
7613 &mut self,
7614 action: &MoveToBeginningOfLine,
7615 cx: &mut ViewContext<Self>,
7616 ) {
7617 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7618 s.move_cursors_with(|map, head, _| {
7619 (
7620 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
7621 SelectionGoal::None,
7622 )
7623 });
7624 })
7625 }
7626
7627 pub fn select_to_beginning_of_line(
7628 &mut self,
7629 action: &SelectToBeginningOfLine,
7630 cx: &mut ViewContext<Self>,
7631 ) {
7632 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7633 s.move_heads_with(|map, head, _| {
7634 (
7635 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
7636 SelectionGoal::None,
7637 )
7638 });
7639 });
7640 }
7641
7642 pub fn delete_to_beginning_of_line(
7643 &mut self,
7644 _: &DeleteToBeginningOfLine,
7645 cx: &mut ViewContext<Self>,
7646 ) {
7647 self.transact(cx, |this, cx| {
7648 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7649 s.move_with(|_, selection| {
7650 selection.reversed = true;
7651 });
7652 });
7653
7654 this.select_to_beginning_of_line(
7655 &SelectToBeginningOfLine {
7656 stop_at_soft_wraps: false,
7657 },
7658 cx,
7659 );
7660 this.backspace(&Backspace, cx);
7661 });
7662 }
7663
7664 pub fn move_to_end_of_line(&mut self, action: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
7665 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7666 s.move_cursors_with(|map, head, _| {
7667 (
7668 movement::line_end(map, head, action.stop_at_soft_wraps),
7669 SelectionGoal::None,
7670 )
7671 });
7672 })
7673 }
7674
7675 pub fn select_to_end_of_line(
7676 &mut self,
7677 action: &SelectToEndOfLine,
7678 cx: &mut ViewContext<Self>,
7679 ) {
7680 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7681 s.move_heads_with(|map, head, _| {
7682 (
7683 movement::line_end(map, head, action.stop_at_soft_wraps),
7684 SelectionGoal::None,
7685 )
7686 });
7687 })
7688 }
7689
7690 pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
7691 self.transact(cx, |this, cx| {
7692 this.select_to_end_of_line(
7693 &SelectToEndOfLine {
7694 stop_at_soft_wraps: false,
7695 },
7696 cx,
7697 );
7698 this.delete(&Delete, cx);
7699 });
7700 }
7701
7702 pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
7703 self.transact(cx, |this, cx| {
7704 this.select_to_end_of_line(
7705 &SelectToEndOfLine {
7706 stop_at_soft_wraps: false,
7707 },
7708 cx,
7709 );
7710 this.cut(&Cut, cx);
7711 });
7712 }
7713
7714 pub fn move_to_start_of_paragraph(
7715 &mut self,
7716 _: &MoveToStartOfParagraph,
7717 cx: &mut ViewContext<Self>,
7718 ) {
7719 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7720 cx.propagate();
7721 return;
7722 }
7723
7724 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7725 s.move_with(|map, selection| {
7726 selection.collapse_to(
7727 movement::start_of_paragraph(map, selection.head(), 1),
7728 SelectionGoal::None,
7729 )
7730 });
7731 })
7732 }
7733
7734 pub fn move_to_end_of_paragraph(
7735 &mut self,
7736 _: &MoveToEndOfParagraph,
7737 cx: &mut ViewContext<Self>,
7738 ) {
7739 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7740 cx.propagate();
7741 return;
7742 }
7743
7744 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7745 s.move_with(|map, selection| {
7746 selection.collapse_to(
7747 movement::end_of_paragraph(map, selection.head(), 1),
7748 SelectionGoal::None,
7749 )
7750 });
7751 })
7752 }
7753
7754 pub fn select_to_start_of_paragraph(
7755 &mut self,
7756 _: &SelectToStartOfParagraph,
7757 cx: &mut ViewContext<Self>,
7758 ) {
7759 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7760 cx.propagate();
7761 return;
7762 }
7763
7764 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7765 s.move_heads_with(|map, head, _| {
7766 (
7767 movement::start_of_paragraph(map, head, 1),
7768 SelectionGoal::None,
7769 )
7770 });
7771 })
7772 }
7773
7774 pub fn select_to_end_of_paragraph(
7775 &mut self,
7776 _: &SelectToEndOfParagraph,
7777 cx: &mut ViewContext<Self>,
7778 ) {
7779 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7780 cx.propagate();
7781 return;
7782 }
7783
7784 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7785 s.move_heads_with(|map, head, _| {
7786 (
7787 movement::end_of_paragraph(map, head, 1),
7788 SelectionGoal::None,
7789 )
7790 });
7791 })
7792 }
7793
7794 pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
7795 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7796 cx.propagate();
7797 return;
7798 }
7799
7800 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7801 s.select_ranges(vec![0..0]);
7802 });
7803 }
7804
7805 pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
7806 let mut selection = self.selections.last::<Point>(cx);
7807 selection.set_head(Point::zero(), SelectionGoal::None);
7808
7809 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7810 s.select(vec![selection]);
7811 });
7812 }
7813
7814 pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
7815 if matches!(self.mode, EditorMode::SingleLine { .. }) {
7816 cx.propagate();
7817 return;
7818 }
7819
7820 let cursor = self.buffer.read(cx).read(cx).len();
7821 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7822 s.select_ranges(vec![cursor..cursor])
7823 });
7824 }
7825
7826 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
7827 self.nav_history = nav_history;
7828 }
7829
7830 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
7831 self.nav_history.as_ref()
7832 }
7833
7834 fn push_to_nav_history(
7835 &mut self,
7836 cursor_anchor: Anchor,
7837 new_position: Option<Point>,
7838 cx: &mut ViewContext<Self>,
7839 ) {
7840 if let Some(nav_history) = self.nav_history.as_mut() {
7841 let buffer = self.buffer.read(cx).read(cx);
7842 let cursor_position = cursor_anchor.to_point(&buffer);
7843 let scroll_state = self.scroll_manager.anchor();
7844 let scroll_top_row = scroll_state.top_row(&buffer);
7845 drop(buffer);
7846
7847 if let Some(new_position) = new_position {
7848 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
7849 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
7850 return;
7851 }
7852 }
7853
7854 nav_history.push(
7855 Some(NavigationData {
7856 cursor_anchor,
7857 cursor_position,
7858 scroll_anchor: scroll_state,
7859 scroll_top_row,
7860 }),
7861 cx,
7862 );
7863 }
7864 }
7865
7866 pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
7867 let buffer = self.buffer.read(cx).snapshot(cx);
7868 let mut selection = self.selections.first::<usize>(cx);
7869 selection.set_head(buffer.len(), SelectionGoal::None);
7870 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7871 s.select(vec![selection]);
7872 });
7873 }
7874
7875 pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
7876 let end = self.buffer.read(cx).read(cx).len();
7877 self.change_selections(None, cx, |s| {
7878 s.select_ranges(vec![0..end]);
7879 });
7880 }
7881
7882 pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
7883 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7884 let mut selections = self.selections.all::<Point>(cx);
7885 let max_point = display_map.buffer_snapshot.max_point();
7886 for selection in &mut selections {
7887 let rows = selection.spanned_rows(true, &display_map);
7888 selection.start = Point::new(rows.start.0, 0);
7889 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
7890 selection.reversed = false;
7891 }
7892 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7893 s.select(selections);
7894 });
7895 }
7896
7897 pub fn split_selection_into_lines(
7898 &mut self,
7899 _: &SplitSelectionIntoLines,
7900 cx: &mut ViewContext<Self>,
7901 ) {
7902 let mut to_unfold = Vec::new();
7903 let mut new_selection_ranges = Vec::new();
7904 {
7905 let selections = self.selections.all::<Point>(cx);
7906 let buffer = self.buffer.read(cx).read(cx);
7907 for selection in selections {
7908 for row in selection.start.row..selection.end.row {
7909 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
7910 new_selection_ranges.push(cursor..cursor);
7911 }
7912 new_selection_ranges.push(selection.end..selection.end);
7913 to_unfold.push(selection.start..selection.end);
7914 }
7915 }
7916 self.unfold_ranges(&to_unfold, true, true, cx);
7917 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7918 s.select_ranges(new_selection_ranges);
7919 });
7920 }
7921
7922 pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
7923 self.add_selection(true, cx);
7924 }
7925
7926 pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
7927 self.add_selection(false, cx);
7928 }
7929
7930 fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
7931 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7932 let mut selections = self.selections.all::<Point>(cx);
7933 let text_layout_details = self.text_layout_details(cx);
7934 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
7935 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
7936 let range = oldest_selection.display_range(&display_map).sorted();
7937
7938 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
7939 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
7940 let positions = start_x.min(end_x)..start_x.max(end_x);
7941
7942 selections.clear();
7943 let mut stack = Vec::new();
7944 for row in range.start.row().0..=range.end.row().0 {
7945 if let Some(selection) = self.selections.build_columnar_selection(
7946 &display_map,
7947 DisplayRow(row),
7948 &positions,
7949 oldest_selection.reversed,
7950 &text_layout_details,
7951 ) {
7952 stack.push(selection.id);
7953 selections.push(selection);
7954 }
7955 }
7956
7957 if above {
7958 stack.reverse();
7959 }
7960
7961 AddSelectionsState { above, stack }
7962 });
7963
7964 let last_added_selection = *state.stack.last().unwrap();
7965 let mut new_selections = Vec::new();
7966 if above == state.above {
7967 let end_row = if above {
7968 DisplayRow(0)
7969 } else {
7970 display_map.max_point().row()
7971 };
7972
7973 'outer: for selection in selections {
7974 if selection.id == last_added_selection {
7975 let range = selection.display_range(&display_map).sorted();
7976 debug_assert_eq!(range.start.row(), range.end.row());
7977 let mut row = range.start.row();
7978 let positions =
7979 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
7980 px(start)..px(end)
7981 } else {
7982 let start_x =
7983 display_map.x_for_display_point(range.start, &text_layout_details);
7984 let end_x =
7985 display_map.x_for_display_point(range.end, &text_layout_details);
7986 start_x.min(end_x)..start_x.max(end_x)
7987 };
7988
7989 while row != end_row {
7990 if above {
7991 row.0 -= 1;
7992 } else {
7993 row.0 += 1;
7994 }
7995
7996 if let Some(new_selection) = self.selections.build_columnar_selection(
7997 &display_map,
7998 row,
7999 &positions,
8000 selection.reversed,
8001 &text_layout_details,
8002 ) {
8003 state.stack.push(new_selection.id);
8004 if above {
8005 new_selections.push(new_selection);
8006 new_selections.push(selection);
8007 } else {
8008 new_selections.push(selection);
8009 new_selections.push(new_selection);
8010 }
8011
8012 continue 'outer;
8013 }
8014 }
8015 }
8016
8017 new_selections.push(selection);
8018 }
8019 } else {
8020 new_selections = selections;
8021 new_selections.retain(|s| s.id != last_added_selection);
8022 state.stack.pop();
8023 }
8024
8025 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8026 s.select(new_selections);
8027 });
8028 if state.stack.len() > 1 {
8029 self.add_selections_state = Some(state);
8030 }
8031 }
8032
8033 pub fn select_next_match_internal(
8034 &mut self,
8035 display_map: &DisplaySnapshot,
8036 replace_newest: bool,
8037 autoscroll: Option<Autoscroll>,
8038 cx: &mut ViewContext<Self>,
8039 ) -> Result<()> {
8040 fn select_next_match_ranges(
8041 this: &mut Editor,
8042 range: Range<usize>,
8043 replace_newest: bool,
8044 auto_scroll: Option<Autoscroll>,
8045 cx: &mut ViewContext<Editor>,
8046 ) {
8047 this.unfold_ranges(&[range.clone()], false, true, cx);
8048 this.change_selections(auto_scroll, cx, |s| {
8049 if replace_newest {
8050 s.delete(s.newest_anchor().id);
8051 }
8052 s.insert_range(range.clone());
8053 });
8054 }
8055
8056 let buffer = &display_map.buffer_snapshot;
8057 let mut selections = self.selections.all::<usize>(cx);
8058 if let Some(mut select_next_state) = self.select_next_state.take() {
8059 let query = &select_next_state.query;
8060 if !select_next_state.done {
8061 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8062 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8063 let mut next_selected_range = None;
8064
8065 let bytes_after_last_selection =
8066 buffer.bytes_in_range(last_selection.end..buffer.len());
8067 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
8068 let query_matches = query
8069 .stream_find_iter(bytes_after_last_selection)
8070 .map(|result| (last_selection.end, result))
8071 .chain(
8072 query
8073 .stream_find_iter(bytes_before_first_selection)
8074 .map(|result| (0, result)),
8075 );
8076
8077 for (start_offset, query_match) in query_matches {
8078 let query_match = query_match.unwrap(); // can only fail due to I/O
8079 let offset_range =
8080 start_offset + query_match.start()..start_offset + query_match.end();
8081 let display_range = offset_range.start.to_display_point(display_map)
8082 ..offset_range.end.to_display_point(display_map);
8083
8084 if !select_next_state.wordwise
8085 || (!movement::is_inside_word(display_map, display_range.start)
8086 && !movement::is_inside_word(display_map, display_range.end))
8087 {
8088 // TODO: This is n^2, because we might check all the selections
8089 if !selections
8090 .iter()
8091 .any(|selection| selection.range().overlaps(&offset_range))
8092 {
8093 next_selected_range = Some(offset_range);
8094 break;
8095 }
8096 }
8097 }
8098
8099 if let Some(next_selected_range) = next_selected_range {
8100 select_next_match_ranges(
8101 self,
8102 next_selected_range,
8103 replace_newest,
8104 autoscroll,
8105 cx,
8106 );
8107 } else {
8108 select_next_state.done = true;
8109 }
8110 }
8111
8112 self.select_next_state = Some(select_next_state);
8113 } else {
8114 let mut only_carets = true;
8115 let mut same_text_selected = true;
8116 let mut selected_text = None;
8117
8118 let mut selections_iter = selections.iter().peekable();
8119 while let Some(selection) = selections_iter.next() {
8120 if selection.start != selection.end {
8121 only_carets = false;
8122 }
8123
8124 if same_text_selected {
8125 if selected_text.is_none() {
8126 selected_text =
8127 Some(buffer.text_for_range(selection.range()).collect::<String>());
8128 }
8129
8130 if let Some(next_selection) = selections_iter.peek() {
8131 if next_selection.range().len() == selection.range().len() {
8132 let next_selected_text = buffer
8133 .text_for_range(next_selection.range())
8134 .collect::<String>();
8135 if Some(next_selected_text) != selected_text {
8136 same_text_selected = false;
8137 selected_text = None;
8138 }
8139 } else {
8140 same_text_selected = false;
8141 selected_text = None;
8142 }
8143 }
8144 }
8145 }
8146
8147 if only_carets {
8148 for selection in &mut selections {
8149 let word_range = movement::surrounding_word(
8150 display_map,
8151 selection.start.to_display_point(display_map),
8152 );
8153 selection.start = word_range.start.to_offset(display_map, Bias::Left);
8154 selection.end = word_range.end.to_offset(display_map, Bias::Left);
8155 selection.goal = SelectionGoal::None;
8156 selection.reversed = false;
8157 select_next_match_ranges(
8158 self,
8159 selection.start..selection.end,
8160 replace_newest,
8161 autoscroll,
8162 cx,
8163 );
8164 }
8165
8166 if selections.len() == 1 {
8167 let selection = selections
8168 .last()
8169 .expect("ensured that there's only one selection");
8170 let query = buffer
8171 .text_for_range(selection.start..selection.end)
8172 .collect::<String>();
8173 let is_empty = query.is_empty();
8174 let select_state = SelectNextState {
8175 query: AhoCorasick::new(&[query])?,
8176 wordwise: true,
8177 done: is_empty,
8178 };
8179 self.select_next_state = Some(select_state);
8180 } else {
8181 self.select_next_state = None;
8182 }
8183 } else if let Some(selected_text) = selected_text {
8184 self.select_next_state = Some(SelectNextState {
8185 query: AhoCorasick::new(&[selected_text])?,
8186 wordwise: false,
8187 done: false,
8188 });
8189 self.select_next_match_internal(display_map, replace_newest, autoscroll, cx)?;
8190 }
8191 }
8192 Ok(())
8193 }
8194
8195 pub fn select_all_matches(
8196 &mut self,
8197 _action: &SelectAllMatches,
8198 cx: &mut ViewContext<Self>,
8199 ) -> Result<()> {
8200 self.push_to_selection_history();
8201 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8202
8203 self.select_next_match_internal(&display_map, false, None, cx)?;
8204 let Some(select_next_state) = self.select_next_state.as_mut() else {
8205 return Ok(());
8206 };
8207 if select_next_state.done {
8208 return Ok(());
8209 }
8210
8211 let mut new_selections = self.selections.all::<usize>(cx);
8212
8213 let buffer = &display_map.buffer_snapshot;
8214 let query_matches = select_next_state
8215 .query
8216 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
8217
8218 for query_match in query_matches {
8219 let query_match = query_match.unwrap(); // can only fail due to I/O
8220 let offset_range = query_match.start()..query_match.end();
8221 let display_range = offset_range.start.to_display_point(&display_map)
8222 ..offset_range.end.to_display_point(&display_map);
8223
8224 if !select_next_state.wordwise
8225 || (!movement::is_inside_word(&display_map, display_range.start)
8226 && !movement::is_inside_word(&display_map, display_range.end))
8227 {
8228 self.selections.change_with(cx, |selections| {
8229 new_selections.push(Selection {
8230 id: selections.new_selection_id(),
8231 start: offset_range.start,
8232 end: offset_range.end,
8233 reversed: false,
8234 goal: SelectionGoal::None,
8235 });
8236 });
8237 }
8238 }
8239
8240 new_selections.sort_by_key(|selection| selection.start);
8241 let mut ix = 0;
8242 while ix + 1 < new_selections.len() {
8243 let current_selection = &new_selections[ix];
8244 let next_selection = &new_selections[ix + 1];
8245 if current_selection.range().overlaps(&next_selection.range()) {
8246 if current_selection.id < next_selection.id {
8247 new_selections.remove(ix + 1);
8248 } else {
8249 new_selections.remove(ix);
8250 }
8251 } else {
8252 ix += 1;
8253 }
8254 }
8255
8256 select_next_state.done = true;
8257 self.unfold_ranges(
8258 &new_selections
8259 .iter()
8260 .map(|selection| selection.range())
8261 .collect::<Vec<_>>(),
8262 false,
8263 false,
8264 cx,
8265 );
8266 self.change_selections(Some(Autoscroll::fit()), cx, |selections| {
8267 selections.select(new_selections)
8268 });
8269
8270 Ok(())
8271 }
8272
8273 pub fn select_next(&mut self, action: &SelectNext, cx: &mut ViewContext<Self>) -> Result<()> {
8274 self.push_to_selection_history();
8275 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8276 self.select_next_match_internal(
8277 &display_map,
8278 action.replace_newest,
8279 Some(Autoscroll::newest()),
8280 cx,
8281 )?;
8282 Ok(())
8283 }
8284
8285 pub fn select_previous(
8286 &mut self,
8287 action: &SelectPrevious,
8288 cx: &mut ViewContext<Self>,
8289 ) -> Result<()> {
8290 self.push_to_selection_history();
8291 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8292 let buffer = &display_map.buffer_snapshot;
8293 let mut selections = self.selections.all::<usize>(cx);
8294 if let Some(mut select_prev_state) = self.select_prev_state.take() {
8295 let query = &select_prev_state.query;
8296 if !select_prev_state.done {
8297 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
8298 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
8299 let mut next_selected_range = None;
8300 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
8301 let bytes_before_last_selection =
8302 buffer.reversed_bytes_in_range(0..last_selection.start);
8303 let bytes_after_first_selection =
8304 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
8305 let query_matches = query
8306 .stream_find_iter(bytes_before_last_selection)
8307 .map(|result| (last_selection.start, result))
8308 .chain(
8309 query
8310 .stream_find_iter(bytes_after_first_selection)
8311 .map(|result| (buffer.len(), result)),
8312 );
8313 for (end_offset, query_match) in query_matches {
8314 let query_match = query_match.unwrap(); // can only fail due to I/O
8315 let offset_range =
8316 end_offset - query_match.end()..end_offset - query_match.start();
8317 let display_range = offset_range.start.to_display_point(&display_map)
8318 ..offset_range.end.to_display_point(&display_map);
8319
8320 if !select_prev_state.wordwise
8321 || (!movement::is_inside_word(&display_map, display_range.start)
8322 && !movement::is_inside_word(&display_map, display_range.end))
8323 {
8324 next_selected_range = Some(offset_range);
8325 break;
8326 }
8327 }
8328
8329 if let Some(next_selected_range) = next_selected_range {
8330 self.unfold_ranges(&[next_selected_range.clone()], false, true, cx);
8331 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
8332 if action.replace_newest {
8333 s.delete(s.newest_anchor().id);
8334 }
8335 s.insert_range(next_selected_range);
8336 });
8337 } else {
8338 select_prev_state.done = true;
8339 }
8340 }
8341
8342 self.select_prev_state = Some(select_prev_state);
8343 } else {
8344 let mut only_carets = true;
8345 let mut same_text_selected = true;
8346 let mut selected_text = None;
8347
8348 let mut selections_iter = selections.iter().peekable();
8349 while let Some(selection) = selections_iter.next() {
8350 if selection.start != selection.end {
8351 only_carets = false;
8352 }
8353
8354 if same_text_selected {
8355 if selected_text.is_none() {
8356 selected_text =
8357 Some(buffer.text_for_range(selection.range()).collect::<String>());
8358 }
8359
8360 if let Some(next_selection) = selections_iter.peek() {
8361 if next_selection.range().len() == selection.range().len() {
8362 let next_selected_text = buffer
8363 .text_for_range(next_selection.range())
8364 .collect::<String>();
8365 if Some(next_selected_text) != selected_text {
8366 same_text_selected = false;
8367 selected_text = None;
8368 }
8369 } else {
8370 same_text_selected = false;
8371 selected_text = None;
8372 }
8373 }
8374 }
8375 }
8376
8377 if only_carets {
8378 for selection in &mut selections {
8379 let word_range = movement::surrounding_word(
8380 &display_map,
8381 selection.start.to_display_point(&display_map),
8382 );
8383 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
8384 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
8385 selection.goal = SelectionGoal::None;
8386 selection.reversed = false;
8387 }
8388 if selections.len() == 1 {
8389 let selection = selections
8390 .last()
8391 .expect("ensured that there's only one selection");
8392 let query = buffer
8393 .text_for_range(selection.start..selection.end)
8394 .collect::<String>();
8395 let is_empty = query.is_empty();
8396 let select_state = SelectNextState {
8397 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
8398 wordwise: true,
8399 done: is_empty,
8400 };
8401 self.select_prev_state = Some(select_state);
8402 } else {
8403 self.select_prev_state = None;
8404 }
8405
8406 self.unfold_ranges(
8407 &selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
8408 false,
8409 true,
8410 cx,
8411 );
8412 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
8413 s.select(selections);
8414 });
8415 } else if let Some(selected_text) = selected_text {
8416 self.select_prev_state = Some(SelectNextState {
8417 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
8418 wordwise: false,
8419 done: false,
8420 });
8421 self.select_previous(action, cx)?;
8422 }
8423 }
8424 Ok(())
8425 }
8426
8427 pub fn toggle_comments(&mut self, action: &ToggleComments, cx: &mut ViewContext<Self>) {
8428 if self.read_only(cx) {
8429 return;
8430 }
8431 let text_layout_details = &self.text_layout_details(cx);
8432 self.transact(cx, |this, cx| {
8433 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
8434 let mut edits = Vec::new();
8435 let mut selection_edit_ranges = Vec::new();
8436 let mut last_toggled_row = None;
8437 let snapshot = this.buffer.read(cx).read(cx);
8438 let empty_str: Arc<str> = Arc::default();
8439 let mut suffixes_inserted = Vec::new();
8440 let ignore_indent = action.ignore_indent;
8441
8442 fn comment_prefix_range(
8443 snapshot: &MultiBufferSnapshot,
8444 row: MultiBufferRow,
8445 comment_prefix: &str,
8446 comment_prefix_whitespace: &str,
8447 ignore_indent: bool,
8448 ) -> Range<Point> {
8449 let indent_size = if ignore_indent {
8450 0
8451 } else {
8452 snapshot.indent_size_for_line(row).len
8453 };
8454
8455 let start = Point::new(row.0, indent_size);
8456
8457 let mut line_bytes = snapshot
8458 .bytes_in_range(start..snapshot.max_point())
8459 .flatten()
8460 .copied();
8461
8462 // If this line currently begins with the line comment prefix, then record
8463 // the range containing the prefix.
8464 if line_bytes
8465 .by_ref()
8466 .take(comment_prefix.len())
8467 .eq(comment_prefix.bytes())
8468 {
8469 // Include any whitespace that matches the comment prefix.
8470 let matching_whitespace_len = line_bytes
8471 .zip(comment_prefix_whitespace.bytes())
8472 .take_while(|(a, b)| a == b)
8473 .count() as u32;
8474 let end = Point::new(
8475 start.row,
8476 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
8477 );
8478 start..end
8479 } else {
8480 start..start
8481 }
8482 }
8483
8484 fn comment_suffix_range(
8485 snapshot: &MultiBufferSnapshot,
8486 row: MultiBufferRow,
8487 comment_suffix: &str,
8488 comment_suffix_has_leading_space: bool,
8489 ) -> Range<Point> {
8490 let end = Point::new(row.0, snapshot.line_len(row));
8491 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
8492
8493 let mut line_end_bytes = snapshot
8494 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
8495 .flatten()
8496 .copied();
8497
8498 let leading_space_len = if suffix_start_column > 0
8499 && line_end_bytes.next() == Some(b' ')
8500 && comment_suffix_has_leading_space
8501 {
8502 1
8503 } else {
8504 0
8505 };
8506
8507 // If this line currently begins with the line comment prefix, then record
8508 // the range containing the prefix.
8509 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
8510 let start = Point::new(end.row, suffix_start_column - leading_space_len);
8511 start..end
8512 } else {
8513 end..end
8514 }
8515 }
8516
8517 // TODO: Handle selections that cross excerpts
8518 for selection in &mut selections {
8519 let start_column = snapshot
8520 .indent_size_for_line(MultiBufferRow(selection.start.row))
8521 .len;
8522 let language = if let Some(language) =
8523 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
8524 {
8525 language
8526 } else {
8527 continue;
8528 };
8529
8530 selection_edit_ranges.clear();
8531
8532 // If multiple selections contain a given row, avoid processing that
8533 // row more than once.
8534 let mut start_row = MultiBufferRow(selection.start.row);
8535 if last_toggled_row == Some(start_row) {
8536 start_row = start_row.next_row();
8537 }
8538 let end_row =
8539 if selection.end.row > selection.start.row && selection.end.column == 0 {
8540 MultiBufferRow(selection.end.row - 1)
8541 } else {
8542 MultiBufferRow(selection.end.row)
8543 };
8544 last_toggled_row = Some(end_row);
8545
8546 if start_row > end_row {
8547 continue;
8548 }
8549
8550 // If the language has line comments, toggle those.
8551 let mut full_comment_prefixes = language.line_comment_prefixes().to_vec();
8552
8553 // If ignore_indent is set, trim spaces from the right side of all full_comment_prefixes
8554 if ignore_indent {
8555 full_comment_prefixes = full_comment_prefixes
8556 .into_iter()
8557 .map(|s| Arc::from(s.trim_end()))
8558 .collect();
8559 }
8560
8561 if !full_comment_prefixes.is_empty() {
8562 let first_prefix = full_comment_prefixes
8563 .first()
8564 .expect("prefixes is non-empty");
8565 let prefix_trimmed_lengths = full_comment_prefixes
8566 .iter()
8567 .map(|p| p.trim_end_matches(' ').len())
8568 .collect::<SmallVec<[usize; 4]>>();
8569
8570 let mut all_selection_lines_are_comments = true;
8571
8572 for row in start_row.0..=end_row.0 {
8573 let row = MultiBufferRow(row);
8574 if start_row < end_row && snapshot.is_line_blank(row) {
8575 continue;
8576 }
8577
8578 let prefix_range = full_comment_prefixes
8579 .iter()
8580 .zip(prefix_trimmed_lengths.iter().copied())
8581 .map(|(prefix, trimmed_prefix_len)| {
8582 comment_prefix_range(
8583 snapshot.deref(),
8584 row,
8585 &prefix[..trimmed_prefix_len],
8586 &prefix[trimmed_prefix_len..],
8587 ignore_indent,
8588 )
8589 })
8590 .max_by_key(|range| range.end.column - range.start.column)
8591 .expect("prefixes is non-empty");
8592
8593 if prefix_range.is_empty() {
8594 all_selection_lines_are_comments = false;
8595 }
8596
8597 selection_edit_ranges.push(prefix_range);
8598 }
8599
8600 if all_selection_lines_are_comments {
8601 edits.extend(
8602 selection_edit_ranges
8603 .iter()
8604 .cloned()
8605 .map(|range| (range, empty_str.clone())),
8606 );
8607 } else {
8608 let min_column = selection_edit_ranges
8609 .iter()
8610 .map(|range| range.start.column)
8611 .min()
8612 .unwrap_or(0);
8613 edits.extend(selection_edit_ranges.iter().map(|range| {
8614 let position = Point::new(range.start.row, min_column);
8615 (position..position, first_prefix.clone())
8616 }));
8617 }
8618 } else if let Some((full_comment_prefix, comment_suffix)) =
8619 language.block_comment_delimiters()
8620 {
8621 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
8622 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
8623 let prefix_range = comment_prefix_range(
8624 snapshot.deref(),
8625 start_row,
8626 comment_prefix,
8627 comment_prefix_whitespace,
8628 ignore_indent,
8629 );
8630 let suffix_range = comment_suffix_range(
8631 snapshot.deref(),
8632 end_row,
8633 comment_suffix.trim_start_matches(' '),
8634 comment_suffix.starts_with(' '),
8635 );
8636
8637 if prefix_range.is_empty() || suffix_range.is_empty() {
8638 edits.push((
8639 prefix_range.start..prefix_range.start,
8640 full_comment_prefix.clone(),
8641 ));
8642 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
8643 suffixes_inserted.push((end_row, comment_suffix.len()));
8644 } else {
8645 edits.push((prefix_range, empty_str.clone()));
8646 edits.push((suffix_range, empty_str.clone()));
8647 }
8648 } else {
8649 continue;
8650 }
8651 }
8652
8653 drop(snapshot);
8654 this.buffer.update(cx, |buffer, cx| {
8655 buffer.edit(edits, None, cx);
8656 });
8657
8658 // Adjust selections so that they end before any comment suffixes that
8659 // were inserted.
8660 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
8661 let mut selections = this.selections.all::<Point>(cx);
8662 let snapshot = this.buffer.read(cx).read(cx);
8663 for selection in &mut selections {
8664 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
8665 match row.cmp(&MultiBufferRow(selection.end.row)) {
8666 Ordering::Less => {
8667 suffixes_inserted.next();
8668 continue;
8669 }
8670 Ordering::Greater => break,
8671 Ordering::Equal => {
8672 if selection.end.column == snapshot.line_len(row) {
8673 if selection.is_empty() {
8674 selection.start.column -= suffix_len as u32;
8675 }
8676 selection.end.column -= suffix_len as u32;
8677 }
8678 break;
8679 }
8680 }
8681 }
8682 }
8683
8684 drop(snapshot);
8685 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
8686
8687 let selections = this.selections.all::<Point>(cx);
8688 let selections_on_single_row = selections.windows(2).all(|selections| {
8689 selections[0].start.row == selections[1].start.row
8690 && selections[0].end.row == selections[1].end.row
8691 && selections[0].start.row == selections[0].end.row
8692 });
8693 let selections_selecting = selections
8694 .iter()
8695 .any(|selection| selection.start != selection.end);
8696 let advance_downwards = action.advance_downwards
8697 && selections_on_single_row
8698 && !selections_selecting
8699 && !matches!(this.mode, EditorMode::SingleLine { .. });
8700
8701 if advance_downwards {
8702 let snapshot = this.buffer.read(cx).snapshot(cx);
8703
8704 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
8705 s.move_cursors_with(|display_snapshot, display_point, _| {
8706 let mut point = display_point.to_point(display_snapshot);
8707 point.row += 1;
8708 point = snapshot.clip_point(point, Bias::Left);
8709 let display_point = point.to_display_point(display_snapshot);
8710 let goal = SelectionGoal::HorizontalPosition(
8711 display_snapshot
8712 .x_for_display_point(display_point, text_layout_details)
8713 .into(),
8714 );
8715 (display_point, goal)
8716 })
8717 });
8718 }
8719 });
8720 }
8721
8722 pub fn select_enclosing_symbol(
8723 &mut self,
8724 _: &SelectEnclosingSymbol,
8725 cx: &mut ViewContext<Self>,
8726 ) {
8727 let buffer = self.buffer.read(cx).snapshot(cx);
8728 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
8729
8730 fn update_selection(
8731 selection: &Selection<usize>,
8732 buffer_snap: &MultiBufferSnapshot,
8733 ) -> Option<Selection<usize>> {
8734 let cursor = selection.head();
8735 let (_buffer_id, symbols) = buffer_snap.symbols_containing(cursor, None)?;
8736 for symbol in symbols.iter().rev() {
8737 let start = symbol.range.start.to_offset(buffer_snap);
8738 let end = symbol.range.end.to_offset(buffer_snap);
8739 let new_range = start..end;
8740 if start < selection.start || end > selection.end {
8741 return Some(Selection {
8742 id: selection.id,
8743 start: new_range.start,
8744 end: new_range.end,
8745 goal: SelectionGoal::None,
8746 reversed: selection.reversed,
8747 });
8748 }
8749 }
8750 None
8751 }
8752
8753 let mut selected_larger_symbol = false;
8754 let new_selections = old_selections
8755 .iter()
8756 .map(|selection| match update_selection(selection, &buffer) {
8757 Some(new_selection) => {
8758 if new_selection.range() != selection.range() {
8759 selected_larger_symbol = true;
8760 }
8761 new_selection
8762 }
8763 None => selection.clone(),
8764 })
8765 .collect::<Vec<_>>();
8766
8767 if selected_larger_symbol {
8768 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8769 s.select(new_selections);
8770 });
8771 }
8772 }
8773
8774 pub fn select_larger_syntax_node(
8775 &mut self,
8776 _: &SelectLargerSyntaxNode,
8777 cx: &mut ViewContext<Self>,
8778 ) {
8779 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8780 let buffer = self.buffer.read(cx).snapshot(cx);
8781 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
8782
8783 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
8784 let mut selected_larger_node = false;
8785 let new_selections = old_selections
8786 .iter()
8787 .map(|selection| {
8788 let old_range = selection.start..selection.end;
8789 let mut new_range = old_range.clone();
8790 let mut new_node = None;
8791 while let Some((node, containing_range)) = buffer.syntax_ancestor(new_range.clone())
8792 {
8793 new_node = Some(node);
8794 new_range = containing_range;
8795 if !display_map.intersects_fold(new_range.start)
8796 && !display_map.intersects_fold(new_range.end)
8797 {
8798 break;
8799 }
8800 }
8801
8802 if let Some(node) = new_node {
8803 // Log the ancestor, to support using this action as a way to explore TreeSitter
8804 // nodes. Parent and grandparent are also logged because this operation will not
8805 // visit nodes that have the same range as their parent.
8806 log::info!("Node: {node:?}");
8807 let parent = node.parent();
8808 log::info!("Parent: {parent:?}");
8809 let grandparent = parent.and_then(|x| x.parent());
8810 log::info!("Grandparent: {grandparent:?}");
8811 }
8812
8813 selected_larger_node |= new_range != old_range;
8814 Selection {
8815 id: selection.id,
8816 start: new_range.start,
8817 end: new_range.end,
8818 goal: SelectionGoal::None,
8819 reversed: selection.reversed,
8820 }
8821 })
8822 .collect::<Vec<_>>();
8823
8824 if selected_larger_node {
8825 stack.push(old_selections);
8826 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8827 s.select(new_selections);
8828 });
8829 }
8830 self.select_larger_syntax_node_stack = stack;
8831 }
8832
8833 pub fn select_smaller_syntax_node(
8834 &mut self,
8835 _: &SelectSmallerSyntaxNode,
8836 cx: &mut ViewContext<Self>,
8837 ) {
8838 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
8839 if let Some(selections) = stack.pop() {
8840 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8841 s.select(selections.to_vec());
8842 });
8843 }
8844 self.select_larger_syntax_node_stack = stack;
8845 }
8846
8847 fn refresh_runnables(&mut self, cx: &mut ViewContext<Self>) -> Task<()> {
8848 if !EditorSettings::get_global(cx).gutter.runnables {
8849 self.clear_tasks();
8850 return Task::ready(());
8851 }
8852 let project = self.project.as_ref().map(Model::downgrade);
8853 cx.spawn(|this, mut cx| async move {
8854 cx.background_executor().timer(UPDATE_DEBOUNCE).await;
8855 let Some(project) = project.and_then(|p| p.upgrade()) else {
8856 return;
8857 };
8858 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
8859 this.display_map.update(cx, |map, cx| map.snapshot(cx))
8860 }) else {
8861 return;
8862 };
8863
8864 let hide_runnables = project
8865 .update(&mut cx, |project, cx| {
8866 // Do not display any test indicators in non-dev server remote projects.
8867 project.is_via_collab() && project.ssh_connection_string(cx).is_none()
8868 })
8869 .unwrap_or(true);
8870 if hide_runnables {
8871 return;
8872 }
8873 let new_rows =
8874 cx.background_executor()
8875 .spawn({
8876 let snapshot = display_snapshot.clone();
8877 async move {
8878 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
8879 }
8880 })
8881 .await;
8882 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
8883
8884 this.update(&mut cx, |this, _| {
8885 this.clear_tasks();
8886 for (key, value) in rows {
8887 this.insert_tasks(key, value);
8888 }
8889 })
8890 .ok();
8891 })
8892 }
8893 fn fetch_runnable_ranges(
8894 snapshot: &DisplaySnapshot,
8895 range: Range<Anchor>,
8896 ) -> Vec<language::RunnableRange> {
8897 snapshot.buffer_snapshot.runnable_ranges(range).collect()
8898 }
8899
8900 fn runnable_rows(
8901 project: Model<Project>,
8902 snapshot: DisplaySnapshot,
8903 runnable_ranges: Vec<RunnableRange>,
8904 mut cx: AsyncWindowContext,
8905 ) -> Vec<((BufferId, u32), RunnableTasks)> {
8906 runnable_ranges
8907 .into_iter()
8908 .filter_map(|mut runnable| {
8909 let tasks = cx
8910 .update(|cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
8911 .ok()?;
8912 if tasks.is_empty() {
8913 return None;
8914 }
8915
8916 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
8917
8918 let row = snapshot
8919 .buffer_snapshot
8920 .buffer_line_for_row(MultiBufferRow(point.row))?
8921 .1
8922 .start
8923 .row;
8924
8925 let context_range =
8926 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
8927 Some((
8928 (runnable.buffer_id, row),
8929 RunnableTasks {
8930 templates: tasks,
8931 offset: MultiBufferOffset(runnable.run_range.start),
8932 context_range,
8933 column: point.column,
8934 extra_variables: runnable.extra_captures,
8935 },
8936 ))
8937 })
8938 .collect()
8939 }
8940
8941 fn templates_with_tags(
8942 project: &Model<Project>,
8943 runnable: &mut Runnable,
8944 cx: &WindowContext,
8945 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
8946 let (inventory, worktree_id, file) = project.read_with(cx, |project, cx| {
8947 let (worktree_id, file) = project
8948 .buffer_for_id(runnable.buffer, cx)
8949 .and_then(|buffer| buffer.read(cx).file())
8950 .map(|file| (file.worktree_id(cx), file.clone()))
8951 .unzip();
8952
8953 (
8954 project.task_store().read(cx).task_inventory().cloned(),
8955 worktree_id,
8956 file,
8957 )
8958 });
8959
8960 let tags = mem::take(&mut runnable.tags);
8961 let mut tags: Vec<_> = tags
8962 .into_iter()
8963 .flat_map(|tag| {
8964 let tag = tag.0.clone();
8965 inventory
8966 .as_ref()
8967 .into_iter()
8968 .flat_map(|inventory| {
8969 inventory.read(cx).list_tasks(
8970 file.clone(),
8971 Some(runnable.language.clone()),
8972 worktree_id,
8973 cx,
8974 )
8975 })
8976 .filter(move |(_, template)| {
8977 template.tags.iter().any(|source_tag| source_tag == &tag)
8978 })
8979 })
8980 .sorted_by_key(|(kind, _)| kind.to_owned())
8981 .collect();
8982 if let Some((leading_tag_source, _)) = tags.first() {
8983 // Strongest source wins; if we have worktree tag binding, prefer that to
8984 // global and language bindings;
8985 // if we have a global binding, prefer that to language binding.
8986 let first_mismatch = tags
8987 .iter()
8988 .position(|(tag_source, _)| tag_source != leading_tag_source);
8989 if let Some(index) = first_mismatch {
8990 tags.truncate(index);
8991 }
8992 }
8993
8994 tags
8995 }
8996
8997 pub fn move_to_enclosing_bracket(
8998 &mut self,
8999 _: &MoveToEnclosingBracket,
9000 cx: &mut ViewContext<Self>,
9001 ) {
9002 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
9003 s.move_offsets_with(|snapshot, selection| {
9004 let Some(enclosing_bracket_ranges) =
9005 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
9006 else {
9007 return;
9008 };
9009
9010 let mut best_length = usize::MAX;
9011 let mut best_inside = false;
9012 let mut best_in_bracket_range = false;
9013 let mut best_destination = None;
9014 for (open, close) in enclosing_bracket_ranges {
9015 let close = close.to_inclusive();
9016 let length = close.end() - open.start;
9017 let inside = selection.start >= open.end && selection.end <= *close.start();
9018 let in_bracket_range = open.to_inclusive().contains(&selection.head())
9019 || close.contains(&selection.head());
9020
9021 // If best is next to a bracket and current isn't, skip
9022 if !in_bracket_range && best_in_bracket_range {
9023 continue;
9024 }
9025
9026 // Prefer smaller lengths unless best is inside and current isn't
9027 if length > best_length && (best_inside || !inside) {
9028 continue;
9029 }
9030
9031 best_length = length;
9032 best_inside = inside;
9033 best_in_bracket_range = in_bracket_range;
9034 best_destination = Some(
9035 if close.contains(&selection.start) && close.contains(&selection.end) {
9036 if inside {
9037 open.end
9038 } else {
9039 open.start
9040 }
9041 } else if inside {
9042 *close.start()
9043 } else {
9044 *close.end()
9045 },
9046 );
9047 }
9048
9049 if let Some(destination) = best_destination {
9050 selection.collapse_to(destination, SelectionGoal::None);
9051 }
9052 })
9053 });
9054 }
9055
9056 pub fn undo_selection(&mut self, _: &UndoSelection, cx: &mut ViewContext<Self>) {
9057 self.end_selection(cx);
9058 self.selection_history.mode = SelectionHistoryMode::Undoing;
9059 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
9060 self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
9061 self.select_next_state = entry.select_next_state;
9062 self.select_prev_state = entry.select_prev_state;
9063 self.add_selections_state = entry.add_selections_state;
9064 self.request_autoscroll(Autoscroll::newest(), cx);
9065 }
9066 self.selection_history.mode = SelectionHistoryMode::Normal;
9067 }
9068
9069 pub fn redo_selection(&mut self, _: &RedoSelection, cx: &mut ViewContext<Self>) {
9070 self.end_selection(cx);
9071 self.selection_history.mode = SelectionHistoryMode::Redoing;
9072 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
9073 self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
9074 self.select_next_state = entry.select_next_state;
9075 self.select_prev_state = entry.select_prev_state;
9076 self.add_selections_state = entry.add_selections_state;
9077 self.request_autoscroll(Autoscroll::newest(), cx);
9078 }
9079 self.selection_history.mode = SelectionHistoryMode::Normal;
9080 }
9081
9082 pub fn expand_excerpts(&mut self, action: &ExpandExcerpts, cx: &mut ViewContext<Self>) {
9083 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
9084 }
9085
9086 pub fn expand_excerpts_down(
9087 &mut self,
9088 action: &ExpandExcerptsDown,
9089 cx: &mut ViewContext<Self>,
9090 ) {
9091 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
9092 }
9093
9094 pub fn expand_excerpts_up(&mut self, action: &ExpandExcerptsUp, cx: &mut ViewContext<Self>) {
9095 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
9096 }
9097
9098 pub fn expand_excerpts_for_direction(
9099 &mut self,
9100 lines: u32,
9101 direction: ExpandExcerptDirection,
9102 cx: &mut ViewContext<Self>,
9103 ) {
9104 let selections = self.selections.disjoint_anchors();
9105
9106 let lines = if lines == 0 {
9107 EditorSettings::get_global(cx).expand_excerpt_lines
9108 } else {
9109 lines
9110 };
9111
9112 self.buffer.update(cx, |buffer, cx| {
9113 buffer.expand_excerpts(
9114 selections
9115 .iter()
9116 .map(|selection| selection.head().excerpt_id)
9117 .dedup(),
9118 lines,
9119 direction,
9120 cx,
9121 )
9122 })
9123 }
9124
9125 pub fn expand_excerpt(
9126 &mut self,
9127 excerpt: ExcerptId,
9128 direction: ExpandExcerptDirection,
9129 cx: &mut ViewContext<Self>,
9130 ) {
9131 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
9132 self.buffer.update(cx, |buffer, cx| {
9133 buffer.expand_excerpts([excerpt], lines, direction, cx)
9134 })
9135 }
9136
9137 fn go_to_diagnostic(&mut self, _: &GoToDiagnostic, cx: &mut ViewContext<Self>) {
9138 self.go_to_diagnostic_impl(Direction::Next, cx)
9139 }
9140
9141 fn go_to_prev_diagnostic(&mut self, _: &GoToPrevDiagnostic, cx: &mut ViewContext<Self>) {
9142 self.go_to_diagnostic_impl(Direction::Prev, cx)
9143 }
9144
9145 pub fn go_to_diagnostic_impl(&mut self, direction: Direction, cx: &mut ViewContext<Self>) {
9146 let buffer = self.buffer.read(cx).snapshot(cx);
9147 let selection = self.selections.newest::<usize>(cx);
9148
9149 // If there is an active Diagnostic Popover jump to its diagnostic instead.
9150 if direction == Direction::Next {
9151 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
9152 let (group_id, jump_to) = popover.activation_info();
9153 if self.activate_diagnostics(group_id, cx) {
9154 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
9155 let mut new_selection = s.newest_anchor().clone();
9156 new_selection.collapse_to(jump_to, SelectionGoal::None);
9157 s.select_anchors(vec![new_selection.clone()]);
9158 });
9159 }
9160 return;
9161 }
9162 }
9163
9164 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
9165 active_diagnostics
9166 .primary_range
9167 .to_offset(&buffer)
9168 .to_inclusive()
9169 });
9170 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
9171 if active_primary_range.contains(&selection.head()) {
9172 *active_primary_range.start()
9173 } else {
9174 selection.head()
9175 }
9176 } else {
9177 selection.head()
9178 };
9179 let snapshot = self.snapshot(cx);
9180 loop {
9181 let diagnostics = if direction == Direction::Prev {
9182 buffer.diagnostics_in_range::<_, usize>(0..search_start, true)
9183 } else {
9184 buffer.diagnostics_in_range::<_, usize>(search_start..buffer.len(), false)
9185 }
9186 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start));
9187 let group = diagnostics
9188 // relies on diagnostics_in_range to return diagnostics with the same starting range to
9189 // be sorted in a stable way
9190 // skip until we are at current active diagnostic, if it exists
9191 .skip_while(|entry| {
9192 (match direction {
9193 Direction::Prev => entry.range.start >= search_start,
9194 Direction::Next => entry.range.start <= search_start,
9195 }) && self
9196 .active_diagnostics
9197 .as_ref()
9198 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
9199 })
9200 .find_map(|entry| {
9201 if entry.diagnostic.is_primary
9202 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
9203 && !entry.range.is_empty()
9204 // if we match with the active diagnostic, skip it
9205 && Some(entry.diagnostic.group_id)
9206 != self.active_diagnostics.as_ref().map(|d| d.group_id)
9207 {
9208 Some((entry.range, entry.diagnostic.group_id))
9209 } else {
9210 None
9211 }
9212 });
9213
9214 if let Some((primary_range, group_id)) = group {
9215 if self.activate_diagnostics(group_id, cx) {
9216 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
9217 s.select(vec![Selection {
9218 id: selection.id,
9219 start: primary_range.start,
9220 end: primary_range.start,
9221 reversed: false,
9222 goal: SelectionGoal::None,
9223 }]);
9224 });
9225 }
9226 break;
9227 } else {
9228 // Cycle around to the start of the buffer, potentially moving back to the start of
9229 // the currently active diagnostic.
9230 active_primary_range.take();
9231 if direction == Direction::Prev {
9232 if search_start == buffer.len() {
9233 break;
9234 } else {
9235 search_start = buffer.len();
9236 }
9237 } else if search_start == 0 {
9238 break;
9239 } else {
9240 search_start = 0;
9241 }
9242 }
9243 }
9244 }
9245
9246 fn go_to_next_hunk(&mut self, _: &GoToHunk, cx: &mut ViewContext<Self>) {
9247 let snapshot = self.snapshot(cx);
9248 let selection = self.selections.newest::<Point>(cx);
9249 self.go_to_hunk_after_position(&snapshot, selection.head(), cx);
9250 }
9251
9252 fn go_to_hunk_after_position(
9253 &mut self,
9254 snapshot: &EditorSnapshot,
9255 position: Point,
9256 cx: &mut ViewContext<Editor>,
9257 ) -> Option<MultiBufferDiffHunk> {
9258 for (ix, position) in [position, Point::zero()].into_iter().enumerate() {
9259 if let Some(hunk) = self.go_to_next_hunk_in_direction(
9260 snapshot,
9261 position,
9262 ix > 0,
9263 snapshot.diff_map.diff_hunks_in_range(
9264 position + Point::new(1, 0)..snapshot.buffer_snapshot.max_point(),
9265 &snapshot.buffer_snapshot,
9266 ),
9267 cx,
9268 ) {
9269 return Some(hunk);
9270 }
9271 }
9272 None
9273 }
9274
9275 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, cx: &mut ViewContext<Self>) {
9276 let snapshot = self.snapshot(cx);
9277 let selection = self.selections.newest::<Point>(cx);
9278 self.go_to_hunk_before_position(&snapshot, selection.head(), cx);
9279 }
9280
9281 fn go_to_hunk_before_position(
9282 &mut self,
9283 snapshot: &EditorSnapshot,
9284 position: Point,
9285 cx: &mut ViewContext<Editor>,
9286 ) -> Option<MultiBufferDiffHunk> {
9287 for (ix, position) in [position, snapshot.buffer_snapshot.max_point()]
9288 .into_iter()
9289 .enumerate()
9290 {
9291 if let Some(hunk) = self.go_to_next_hunk_in_direction(
9292 snapshot,
9293 position,
9294 ix > 0,
9295 snapshot
9296 .diff_map
9297 .diff_hunks_in_range_rev(Point::zero()..position, &snapshot.buffer_snapshot),
9298 cx,
9299 ) {
9300 return Some(hunk);
9301 }
9302 }
9303 None
9304 }
9305
9306 fn go_to_next_hunk_in_direction(
9307 &mut self,
9308 snapshot: &DisplaySnapshot,
9309 initial_point: Point,
9310 is_wrapped: bool,
9311 hunks: impl Iterator<Item = MultiBufferDiffHunk>,
9312 cx: &mut ViewContext<Editor>,
9313 ) -> Option<MultiBufferDiffHunk> {
9314 let display_point = initial_point.to_display_point(snapshot);
9315 let mut hunks = hunks
9316 .map(|hunk| (diff_hunk_to_display(&hunk, snapshot), hunk))
9317 .filter(|(display_hunk, _)| {
9318 is_wrapped || !display_hunk.contains_display_row(display_point.row())
9319 })
9320 .dedup();
9321
9322 if let Some((display_hunk, hunk)) = hunks.next() {
9323 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
9324 let row = display_hunk.start_display_row();
9325 let point = DisplayPoint::new(row, 0);
9326 s.select_display_ranges([point..point]);
9327 });
9328
9329 Some(hunk)
9330 } else {
9331 None
9332 }
9333 }
9334
9335 pub fn go_to_definition(
9336 &mut self,
9337 _: &GoToDefinition,
9338 cx: &mut ViewContext<Self>,
9339 ) -> Task<Result<Navigated>> {
9340 let definition = self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, cx);
9341 cx.spawn(|editor, mut cx| async move {
9342 if definition.await? == Navigated::Yes {
9343 return Ok(Navigated::Yes);
9344 }
9345 match editor.update(&mut cx, |editor, cx| {
9346 editor.find_all_references(&FindAllReferences, cx)
9347 })? {
9348 Some(references) => references.await,
9349 None => Ok(Navigated::No),
9350 }
9351 })
9352 }
9353
9354 pub fn go_to_declaration(
9355 &mut self,
9356 _: &GoToDeclaration,
9357 cx: &mut ViewContext<Self>,
9358 ) -> Task<Result<Navigated>> {
9359 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, false, cx)
9360 }
9361
9362 pub fn go_to_declaration_split(
9363 &mut self,
9364 _: &GoToDeclaration,
9365 cx: &mut ViewContext<Self>,
9366 ) -> Task<Result<Navigated>> {
9367 self.go_to_definition_of_kind(GotoDefinitionKind::Declaration, true, cx)
9368 }
9369
9370 pub fn go_to_implementation(
9371 &mut self,
9372 _: &GoToImplementation,
9373 cx: &mut ViewContext<Self>,
9374 ) -> Task<Result<Navigated>> {
9375 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, cx)
9376 }
9377
9378 pub fn go_to_implementation_split(
9379 &mut self,
9380 _: &GoToImplementationSplit,
9381 cx: &mut ViewContext<Self>,
9382 ) -> Task<Result<Navigated>> {
9383 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, cx)
9384 }
9385
9386 pub fn go_to_type_definition(
9387 &mut self,
9388 _: &GoToTypeDefinition,
9389 cx: &mut ViewContext<Self>,
9390 ) -> Task<Result<Navigated>> {
9391 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, cx)
9392 }
9393
9394 pub fn go_to_definition_split(
9395 &mut self,
9396 _: &GoToDefinitionSplit,
9397 cx: &mut ViewContext<Self>,
9398 ) -> Task<Result<Navigated>> {
9399 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, cx)
9400 }
9401
9402 pub fn go_to_type_definition_split(
9403 &mut self,
9404 _: &GoToTypeDefinitionSplit,
9405 cx: &mut ViewContext<Self>,
9406 ) -> Task<Result<Navigated>> {
9407 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, cx)
9408 }
9409
9410 fn go_to_definition_of_kind(
9411 &mut self,
9412 kind: GotoDefinitionKind,
9413 split: bool,
9414 cx: &mut ViewContext<Self>,
9415 ) -> Task<Result<Navigated>> {
9416 let Some(provider) = self.semantics_provider.clone() else {
9417 return Task::ready(Ok(Navigated::No));
9418 };
9419 let head = self.selections.newest::<usize>(cx).head();
9420 let buffer = self.buffer.read(cx);
9421 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
9422 text_anchor
9423 } else {
9424 return Task::ready(Ok(Navigated::No));
9425 };
9426
9427 let Some(definitions) = provider.definitions(&buffer, head, kind, cx) else {
9428 return Task::ready(Ok(Navigated::No));
9429 };
9430
9431 cx.spawn(|editor, mut cx| async move {
9432 let definitions = definitions.await?;
9433 let navigated = editor
9434 .update(&mut cx, |editor, cx| {
9435 editor.navigate_to_hover_links(
9436 Some(kind),
9437 definitions
9438 .into_iter()
9439 .filter(|location| {
9440 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
9441 })
9442 .map(HoverLink::Text)
9443 .collect::<Vec<_>>(),
9444 split,
9445 cx,
9446 )
9447 })?
9448 .await?;
9449 anyhow::Ok(navigated)
9450 })
9451 }
9452
9453 pub fn open_url(&mut self, _: &OpenUrl, cx: &mut ViewContext<Self>) {
9454 let selection = self.selections.newest_anchor();
9455 let head = selection.head();
9456 let tail = selection.tail();
9457
9458 let Some((buffer, start_position)) =
9459 self.buffer.read(cx).text_anchor_for_position(head, cx)
9460 else {
9461 return;
9462 };
9463
9464 let end_position = if head != tail {
9465 let Some((_, pos)) = self.buffer.read(cx).text_anchor_for_position(tail, cx) else {
9466 return;
9467 };
9468 Some(pos)
9469 } else {
9470 None
9471 };
9472
9473 let url_finder = cx.spawn(|editor, mut cx| async move {
9474 let url = if let Some(end_pos) = end_position {
9475 find_url_from_range(&buffer, start_position..end_pos, cx.clone())
9476 } else {
9477 find_url(&buffer, start_position, cx.clone()).map(|(_, url)| url)
9478 };
9479
9480 if let Some(url) = url {
9481 editor.update(&mut cx, |_, cx| {
9482 cx.open_url(&url);
9483 })
9484 } else {
9485 Ok(())
9486 }
9487 });
9488
9489 url_finder.detach();
9490 }
9491
9492 pub fn open_file(&mut self, _: &OpenFile, cx: &mut ViewContext<Self>) {
9493 let Some(workspace) = self.workspace() else {
9494 return;
9495 };
9496
9497 let position = self.selections.newest_anchor().head();
9498
9499 let Some((buffer, buffer_position)) =
9500 self.buffer.read(cx).text_anchor_for_position(position, cx)
9501 else {
9502 return;
9503 };
9504
9505 let project = self.project.clone();
9506
9507 cx.spawn(|_, mut cx| async move {
9508 let result = find_file(&buffer, project, buffer_position, &mut cx).await;
9509
9510 if let Some((_, path)) = result {
9511 workspace
9512 .update(&mut cx, |workspace, cx| {
9513 workspace.open_resolved_path(path, cx)
9514 })?
9515 .await?;
9516 }
9517 anyhow::Ok(())
9518 })
9519 .detach();
9520 }
9521
9522 pub(crate) fn navigate_to_hover_links(
9523 &mut self,
9524 kind: Option<GotoDefinitionKind>,
9525 mut definitions: Vec<HoverLink>,
9526 split: bool,
9527 cx: &mut ViewContext<Editor>,
9528 ) -> Task<Result<Navigated>> {
9529 // If there is one definition, just open it directly
9530 if definitions.len() == 1 {
9531 let definition = definitions.pop().unwrap();
9532
9533 enum TargetTaskResult {
9534 Location(Option<Location>),
9535 AlreadyNavigated,
9536 }
9537
9538 let target_task = match definition {
9539 HoverLink::Text(link) => {
9540 Task::ready(anyhow::Ok(TargetTaskResult::Location(Some(link.target))))
9541 }
9542 HoverLink::InlayHint(lsp_location, server_id) => {
9543 let computation = self.compute_target_location(lsp_location, server_id, cx);
9544 cx.background_executor().spawn(async move {
9545 let location = computation.await?;
9546 Ok(TargetTaskResult::Location(location))
9547 })
9548 }
9549 HoverLink::Url(url) => {
9550 cx.open_url(&url);
9551 Task::ready(Ok(TargetTaskResult::AlreadyNavigated))
9552 }
9553 HoverLink::File(path) => {
9554 if let Some(workspace) = self.workspace() {
9555 cx.spawn(|_, mut cx| async move {
9556 workspace
9557 .update(&mut cx, |workspace, cx| {
9558 workspace.open_resolved_path(path, cx)
9559 })?
9560 .await
9561 .map(|_| TargetTaskResult::AlreadyNavigated)
9562 })
9563 } else {
9564 Task::ready(Ok(TargetTaskResult::Location(None)))
9565 }
9566 }
9567 };
9568 cx.spawn(|editor, mut cx| async move {
9569 let target = match target_task.await.context("target resolution task")? {
9570 TargetTaskResult::AlreadyNavigated => return Ok(Navigated::Yes),
9571 TargetTaskResult::Location(None) => return Ok(Navigated::No),
9572 TargetTaskResult::Location(Some(target)) => target,
9573 };
9574
9575 editor.update(&mut cx, |editor, cx| {
9576 let Some(workspace) = editor.workspace() else {
9577 return Navigated::No;
9578 };
9579 let pane = workspace.read(cx).active_pane().clone();
9580
9581 let range = target.range.to_offset(target.buffer.read(cx));
9582 let range = editor.range_for_match(&range);
9583
9584 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
9585 let buffer = target.buffer.read(cx);
9586 let range = check_multiline_range(buffer, range);
9587 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
9588 s.select_ranges([range]);
9589 });
9590 } else {
9591 cx.window_context().defer(move |cx| {
9592 let target_editor: View<Self> =
9593 workspace.update(cx, |workspace, cx| {
9594 let pane = if split {
9595 workspace.adjacent_pane(cx)
9596 } else {
9597 workspace.active_pane().clone()
9598 };
9599
9600 workspace.open_project_item(
9601 pane,
9602 target.buffer.clone(),
9603 true,
9604 true,
9605 cx,
9606 )
9607 });
9608 target_editor.update(cx, |target_editor, cx| {
9609 // When selecting a definition in a different buffer, disable the nav history
9610 // to avoid creating a history entry at the previous cursor location.
9611 pane.update(cx, |pane, _| pane.disable_history());
9612 let buffer = target.buffer.read(cx);
9613 let range = check_multiline_range(buffer, range);
9614 target_editor.change_selections(
9615 Some(Autoscroll::focused()),
9616 cx,
9617 |s| {
9618 s.select_ranges([range]);
9619 },
9620 );
9621 pane.update(cx, |pane, _| pane.enable_history());
9622 });
9623 });
9624 }
9625 Navigated::Yes
9626 })
9627 })
9628 } else if !definitions.is_empty() {
9629 cx.spawn(|editor, mut cx| async move {
9630 let (title, location_tasks, workspace) = editor
9631 .update(&mut cx, |editor, cx| {
9632 let tab_kind = match kind {
9633 Some(GotoDefinitionKind::Implementation) => "Implementations",
9634 _ => "Definitions",
9635 };
9636 let title = definitions
9637 .iter()
9638 .find_map(|definition| match definition {
9639 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
9640 let buffer = origin.buffer.read(cx);
9641 format!(
9642 "{} for {}",
9643 tab_kind,
9644 buffer
9645 .text_for_range(origin.range.clone())
9646 .collect::<String>()
9647 )
9648 }),
9649 HoverLink::InlayHint(_, _) => None,
9650 HoverLink::Url(_) => None,
9651 HoverLink::File(_) => None,
9652 })
9653 .unwrap_or(tab_kind.to_string());
9654 let location_tasks = definitions
9655 .into_iter()
9656 .map(|definition| match definition {
9657 HoverLink::Text(link) => Task::ready(Ok(Some(link.target))),
9658 HoverLink::InlayHint(lsp_location, server_id) => {
9659 editor.compute_target_location(lsp_location, server_id, cx)
9660 }
9661 HoverLink::Url(_) => Task::ready(Ok(None)),
9662 HoverLink::File(_) => Task::ready(Ok(None)),
9663 })
9664 .collect::<Vec<_>>();
9665 (title, location_tasks, editor.workspace().clone())
9666 })
9667 .context("location tasks preparation")?;
9668
9669 let locations = future::join_all(location_tasks)
9670 .await
9671 .into_iter()
9672 .filter_map(|location| location.transpose())
9673 .collect::<Result<_>>()
9674 .context("location tasks")?;
9675
9676 let Some(workspace) = workspace else {
9677 return Ok(Navigated::No);
9678 };
9679 let opened = workspace
9680 .update(&mut cx, |workspace, cx| {
9681 Self::open_locations_in_multibuffer(workspace, locations, title, split, cx)
9682 })
9683 .ok();
9684
9685 anyhow::Ok(Navigated::from_bool(opened.is_some()))
9686 })
9687 } else {
9688 Task::ready(Ok(Navigated::No))
9689 }
9690 }
9691
9692 fn compute_target_location(
9693 &self,
9694 lsp_location: lsp::Location,
9695 server_id: LanguageServerId,
9696 cx: &mut ViewContext<Self>,
9697 ) -> Task<anyhow::Result<Option<Location>>> {
9698 let Some(project) = self.project.clone() else {
9699 return Task::ready(Ok(None));
9700 };
9701
9702 cx.spawn(move |editor, mut cx| async move {
9703 let location_task = editor.update(&mut cx, |_, cx| {
9704 project.update(cx, |project, cx| {
9705 let language_server_name = project
9706 .language_server_statuses(cx)
9707 .find(|(id, _)| server_id == *id)
9708 .map(|(_, status)| LanguageServerName::from(status.name.as_str()));
9709 language_server_name.map(|language_server_name| {
9710 project.open_local_buffer_via_lsp(
9711 lsp_location.uri.clone(),
9712 server_id,
9713 language_server_name,
9714 cx,
9715 )
9716 })
9717 })
9718 })?;
9719 let location = match location_task {
9720 Some(task) => Some({
9721 let target_buffer_handle = task.await.context("open local buffer")?;
9722 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
9723 let target_start = target_buffer
9724 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
9725 let target_end = target_buffer
9726 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
9727 target_buffer.anchor_after(target_start)
9728 ..target_buffer.anchor_before(target_end)
9729 })?;
9730 Location {
9731 buffer: target_buffer_handle,
9732 range,
9733 }
9734 }),
9735 None => None,
9736 };
9737 Ok(location)
9738 })
9739 }
9740
9741 pub fn find_all_references(
9742 &mut self,
9743 _: &FindAllReferences,
9744 cx: &mut ViewContext<Self>,
9745 ) -> Option<Task<Result<Navigated>>> {
9746 let selection = self.selections.newest::<usize>(cx);
9747 let multi_buffer = self.buffer.read(cx);
9748 let head = selection.head();
9749
9750 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
9751 let head_anchor = multi_buffer_snapshot.anchor_at(
9752 head,
9753 if head < selection.tail() {
9754 Bias::Right
9755 } else {
9756 Bias::Left
9757 },
9758 );
9759
9760 match self
9761 .find_all_references_task_sources
9762 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
9763 {
9764 Ok(_) => {
9765 log::info!(
9766 "Ignoring repeated FindAllReferences invocation with the position of already running task"
9767 );
9768 return None;
9769 }
9770 Err(i) => {
9771 self.find_all_references_task_sources.insert(i, head_anchor);
9772 }
9773 }
9774
9775 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
9776 let workspace = self.workspace()?;
9777 let project = workspace.read(cx).project().clone();
9778 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
9779 Some(cx.spawn(|editor, mut cx| async move {
9780 let _cleanup = defer({
9781 let mut cx = cx.clone();
9782 move || {
9783 let _ = editor.update(&mut cx, |editor, _| {
9784 if let Ok(i) =
9785 editor
9786 .find_all_references_task_sources
9787 .binary_search_by(|anchor| {
9788 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
9789 })
9790 {
9791 editor.find_all_references_task_sources.remove(i);
9792 }
9793 });
9794 }
9795 });
9796
9797 let locations = references.await?;
9798 if locations.is_empty() {
9799 return anyhow::Ok(Navigated::No);
9800 }
9801
9802 workspace.update(&mut cx, |workspace, cx| {
9803 let title = locations
9804 .first()
9805 .as_ref()
9806 .map(|location| {
9807 let buffer = location.buffer.read(cx);
9808 format!(
9809 "References to `{}`",
9810 buffer
9811 .text_for_range(location.range.clone())
9812 .collect::<String>()
9813 )
9814 })
9815 .unwrap();
9816 Self::open_locations_in_multibuffer(workspace, locations, title, false, cx);
9817 Navigated::Yes
9818 })
9819 }))
9820 }
9821
9822 /// Opens a multibuffer with the given project locations in it
9823 pub fn open_locations_in_multibuffer(
9824 workspace: &mut Workspace,
9825 mut locations: Vec<Location>,
9826 title: String,
9827 split: bool,
9828 cx: &mut ViewContext<Workspace>,
9829 ) {
9830 // If there are multiple definitions, open them in a multibuffer
9831 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
9832 let mut locations = locations.into_iter().peekable();
9833 let mut ranges_to_highlight = Vec::new();
9834 let capability = workspace.project().read(cx).capability();
9835
9836 let excerpt_buffer = cx.new_model(|cx| {
9837 let mut multibuffer = MultiBuffer::new(capability);
9838 while let Some(location) = locations.next() {
9839 let buffer = location.buffer.read(cx);
9840 let mut ranges_for_buffer = Vec::new();
9841 let range = location.range.to_offset(buffer);
9842 ranges_for_buffer.push(range.clone());
9843
9844 while let Some(next_location) = locations.peek() {
9845 if next_location.buffer == location.buffer {
9846 ranges_for_buffer.push(next_location.range.to_offset(buffer));
9847 locations.next();
9848 } else {
9849 break;
9850 }
9851 }
9852
9853 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
9854 ranges_to_highlight.extend(multibuffer.push_excerpts_with_context_lines(
9855 location.buffer.clone(),
9856 ranges_for_buffer,
9857 DEFAULT_MULTIBUFFER_CONTEXT,
9858 cx,
9859 ))
9860 }
9861
9862 multibuffer.with_title(title)
9863 });
9864
9865 let editor = cx.new_view(|cx| {
9866 Editor::for_multibuffer(excerpt_buffer, Some(workspace.project().clone()), true, cx)
9867 });
9868 editor.update(cx, |editor, cx| {
9869 if let Some(first_range) = ranges_to_highlight.first() {
9870 editor.change_selections(None, cx, |selections| {
9871 selections.clear_disjoint();
9872 selections.select_anchor_ranges(std::iter::once(first_range.clone()));
9873 });
9874 }
9875 editor.highlight_background::<Self>(
9876 &ranges_to_highlight,
9877 |theme| theme.editor_highlighted_line_background,
9878 cx,
9879 );
9880 editor.register_buffers_with_language_servers(cx);
9881 });
9882
9883 let item = Box::new(editor);
9884 let item_id = item.item_id();
9885
9886 if split {
9887 workspace.split_item(SplitDirection::Right, item.clone(), cx);
9888 } else {
9889 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
9890 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
9891 pane.close_current_preview_item(cx)
9892 } else {
9893 None
9894 }
9895 });
9896 workspace.add_item_to_active_pane(item.clone(), destination_index, true, cx);
9897 }
9898 workspace.active_pane().update(cx, |pane, cx| {
9899 pane.set_preview_item_id(Some(item_id), cx);
9900 });
9901 }
9902
9903 pub fn rename(&mut self, _: &Rename, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
9904 use language::ToOffset as _;
9905
9906 let provider = self.semantics_provider.clone()?;
9907 let selection = self.selections.newest_anchor().clone();
9908 let (cursor_buffer, cursor_buffer_position) = self
9909 .buffer
9910 .read(cx)
9911 .text_anchor_for_position(selection.head(), cx)?;
9912 let (tail_buffer, cursor_buffer_position_end) = self
9913 .buffer
9914 .read(cx)
9915 .text_anchor_for_position(selection.tail(), cx)?;
9916 if tail_buffer != cursor_buffer {
9917 return None;
9918 }
9919
9920 let snapshot = cursor_buffer.read(cx).snapshot();
9921 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
9922 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
9923 let prepare_rename = provider
9924 .range_for_rename(&cursor_buffer, cursor_buffer_position, cx)
9925 .unwrap_or_else(|| Task::ready(Ok(None)));
9926 drop(snapshot);
9927
9928 Some(cx.spawn(|this, mut cx| async move {
9929 let rename_range = if let Some(range) = prepare_rename.await? {
9930 Some(range)
9931 } else {
9932 this.update(&mut cx, |this, cx| {
9933 let buffer = this.buffer.read(cx).snapshot(cx);
9934 let mut buffer_highlights = this
9935 .document_highlights_for_position(selection.head(), &buffer)
9936 .filter(|highlight| {
9937 highlight.start.excerpt_id == selection.head().excerpt_id
9938 && highlight.end.excerpt_id == selection.head().excerpt_id
9939 });
9940 buffer_highlights
9941 .next()
9942 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
9943 })?
9944 };
9945 if let Some(rename_range) = rename_range {
9946 this.update(&mut cx, |this, cx| {
9947 let snapshot = cursor_buffer.read(cx).snapshot();
9948 let rename_buffer_range = rename_range.to_offset(&snapshot);
9949 let cursor_offset_in_rename_range =
9950 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
9951 let cursor_offset_in_rename_range_end =
9952 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
9953
9954 this.take_rename(false, cx);
9955 let buffer = this.buffer.read(cx).read(cx);
9956 let cursor_offset = selection.head().to_offset(&buffer);
9957 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
9958 let rename_end = rename_start + rename_buffer_range.len();
9959 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
9960 let mut old_highlight_id = None;
9961 let old_name: Arc<str> = buffer
9962 .chunks(rename_start..rename_end, true)
9963 .map(|chunk| {
9964 if old_highlight_id.is_none() {
9965 old_highlight_id = chunk.syntax_highlight_id;
9966 }
9967 chunk.text
9968 })
9969 .collect::<String>()
9970 .into();
9971
9972 drop(buffer);
9973
9974 // Position the selection in the rename editor so that it matches the current selection.
9975 this.show_local_selections = false;
9976 let rename_editor = cx.new_view(|cx| {
9977 let mut editor = Editor::single_line(cx);
9978 editor.buffer.update(cx, |buffer, cx| {
9979 buffer.edit([(0..0, old_name.clone())], None, cx)
9980 });
9981 let rename_selection_range = match cursor_offset_in_rename_range
9982 .cmp(&cursor_offset_in_rename_range_end)
9983 {
9984 Ordering::Equal => {
9985 editor.select_all(&SelectAll, cx);
9986 return editor;
9987 }
9988 Ordering::Less => {
9989 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
9990 }
9991 Ordering::Greater => {
9992 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
9993 }
9994 };
9995 if rename_selection_range.end > old_name.len() {
9996 editor.select_all(&SelectAll, cx);
9997 } else {
9998 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
9999 s.select_ranges([rename_selection_range]);
10000 });
10001 }
10002 editor
10003 });
10004 cx.subscribe(&rename_editor, |_, _, e: &EditorEvent, cx| {
10005 if e == &EditorEvent::Focused {
10006 cx.emit(EditorEvent::FocusedIn)
10007 }
10008 })
10009 .detach();
10010
10011 let write_highlights =
10012 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
10013 let read_highlights =
10014 this.clear_background_highlights::<DocumentHighlightRead>(cx);
10015 let ranges = write_highlights
10016 .iter()
10017 .flat_map(|(_, ranges)| ranges.iter())
10018 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
10019 .cloned()
10020 .collect();
10021
10022 this.highlight_text::<Rename>(
10023 ranges,
10024 HighlightStyle {
10025 fade_out: Some(0.6),
10026 ..Default::default()
10027 },
10028 cx,
10029 );
10030 let rename_focus_handle = rename_editor.focus_handle(cx);
10031 cx.focus(&rename_focus_handle);
10032 let block_id = this.insert_blocks(
10033 [BlockProperties {
10034 style: BlockStyle::Flex,
10035 placement: BlockPlacement::Below(range.start),
10036 height: 1,
10037 render: Arc::new({
10038 let rename_editor = rename_editor.clone();
10039 move |cx: &mut BlockContext| {
10040 let mut text_style = cx.editor_style.text.clone();
10041 if let Some(highlight_style) = old_highlight_id
10042 .and_then(|h| h.style(&cx.editor_style.syntax))
10043 {
10044 text_style = text_style.highlight(highlight_style);
10045 }
10046 div()
10047 .block_mouse_down()
10048 .pl(cx.anchor_x)
10049 .child(EditorElement::new(
10050 &rename_editor,
10051 EditorStyle {
10052 background: cx.theme().system().transparent,
10053 local_player: cx.editor_style.local_player,
10054 text: text_style,
10055 scrollbar_width: cx.editor_style.scrollbar_width,
10056 syntax: cx.editor_style.syntax.clone(),
10057 status: cx.editor_style.status.clone(),
10058 inlay_hints_style: HighlightStyle {
10059 font_weight: Some(FontWeight::BOLD),
10060 ..make_inlay_hints_style(cx)
10061 },
10062 inline_completion_styles: make_suggestion_styles(
10063 cx,
10064 ),
10065 ..EditorStyle::default()
10066 },
10067 ))
10068 .into_any_element()
10069 }
10070 }),
10071 priority: 0,
10072 }],
10073 Some(Autoscroll::fit()),
10074 cx,
10075 )[0];
10076 this.pending_rename = Some(RenameState {
10077 range,
10078 old_name,
10079 editor: rename_editor,
10080 block_id,
10081 });
10082 })?;
10083 }
10084
10085 Ok(())
10086 }))
10087 }
10088
10089 pub fn confirm_rename(
10090 &mut self,
10091 _: &ConfirmRename,
10092 cx: &mut ViewContext<Self>,
10093 ) -> Option<Task<Result<()>>> {
10094 let rename = self.take_rename(false, cx)?;
10095 let workspace = self.workspace()?.downgrade();
10096 let (buffer, start) = self
10097 .buffer
10098 .read(cx)
10099 .text_anchor_for_position(rename.range.start, cx)?;
10100 let (end_buffer, _) = self
10101 .buffer
10102 .read(cx)
10103 .text_anchor_for_position(rename.range.end, cx)?;
10104 if buffer != end_buffer {
10105 return None;
10106 }
10107
10108 let old_name = rename.old_name;
10109 let new_name = rename.editor.read(cx).text(cx);
10110
10111 let rename = self.semantics_provider.as_ref()?.perform_rename(
10112 &buffer,
10113 start,
10114 new_name.clone(),
10115 cx,
10116 )?;
10117
10118 Some(cx.spawn(|editor, mut cx| async move {
10119 let project_transaction = rename.await?;
10120 Self::open_project_transaction(
10121 &editor,
10122 workspace,
10123 project_transaction,
10124 format!("Rename: {} → {}", old_name, new_name),
10125 cx.clone(),
10126 )
10127 .await?;
10128
10129 editor.update(&mut cx, |editor, cx| {
10130 editor.refresh_document_highlights(cx);
10131 })?;
10132 Ok(())
10133 }))
10134 }
10135
10136 fn take_rename(
10137 &mut self,
10138 moving_cursor: bool,
10139 cx: &mut ViewContext<Self>,
10140 ) -> Option<RenameState> {
10141 let rename = self.pending_rename.take()?;
10142 if rename.editor.focus_handle(cx).is_focused(cx) {
10143 cx.focus(&self.focus_handle);
10144 }
10145
10146 self.remove_blocks(
10147 [rename.block_id].into_iter().collect(),
10148 Some(Autoscroll::fit()),
10149 cx,
10150 );
10151 self.clear_highlights::<Rename>(cx);
10152 self.show_local_selections = true;
10153
10154 if moving_cursor {
10155 let cursor_in_rename_editor = rename.editor.update(cx, |editor, cx| {
10156 editor.selections.newest::<usize>(cx).head()
10157 });
10158
10159 // Update the selection to match the position of the selection inside
10160 // the rename editor.
10161 let snapshot = self.buffer.read(cx).read(cx);
10162 let rename_range = rename.range.to_offset(&snapshot);
10163 let cursor_in_editor = snapshot
10164 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
10165 .min(rename_range.end);
10166 drop(snapshot);
10167
10168 self.change_selections(None, cx, |s| {
10169 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
10170 });
10171 } else {
10172 self.refresh_document_highlights(cx);
10173 }
10174
10175 Some(rename)
10176 }
10177
10178 pub fn pending_rename(&self) -> Option<&RenameState> {
10179 self.pending_rename.as_ref()
10180 }
10181
10182 fn format(&mut self, _: &Format, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
10183 let project = match &self.project {
10184 Some(project) => project.clone(),
10185 None => return None,
10186 };
10187
10188 Some(self.perform_format(project, FormatTrigger::Manual, FormatTarget::Buffer, cx))
10189 }
10190
10191 fn format_selections(
10192 &mut self,
10193 _: &FormatSelections,
10194 cx: &mut ViewContext<Self>,
10195 ) -> Option<Task<Result<()>>> {
10196 let project = match &self.project {
10197 Some(project) => project.clone(),
10198 None => return None,
10199 };
10200
10201 let selections = self
10202 .selections
10203 .all_adjusted(cx)
10204 .into_iter()
10205 .filter(|s| !s.is_empty())
10206 .collect_vec();
10207
10208 Some(self.perform_format(
10209 project,
10210 FormatTrigger::Manual,
10211 FormatTarget::Ranges(selections),
10212 cx,
10213 ))
10214 }
10215
10216 fn perform_format(
10217 &mut self,
10218 project: Model<Project>,
10219 trigger: FormatTrigger,
10220 target: FormatTarget,
10221 cx: &mut ViewContext<Self>,
10222 ) -> Task<Result<()>> {
10223 let buffer = self.buffer().clone();
10224 let mut buffers = buffer.read(cx).all_buffers();
10225 if trigger == FormatTrigger::Save {
10226 buffers.retain(|buffer| buffer.read(cx).is_dirty());
10227 }
10228
10229 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
10230 let format = project.update(cx, |project, cx| {
10231 project.format(buffers, true, trigger, target, cx)
10232 });
10233
10234 cx.spawn(|_, mut cx| async move {
10235 let transaction = futures::select_biased! {
10236 () = timeout => {
10237 log::warn!("timed out waiting for formatting");
10238 None
10239 }
10240 transaction = format.log_err().fuse() => transaction,
10241 };
10242
10243 buffer
10244 .update(&mut cx, |buffer, cx| {
10245 if let Some(transaction) = transaction {
10246 if !buffer.is_singleton() {
10247 buffer.push_transaction(&transaction.0, cx);
10248 }
10249 }
10250
10251 cx.notify();
10252 })
10253 .ok();
10254
10255 Ok(())
10256 })
10257 }
10258
10259 fn restart_language_server(&mut self, _: &RestartLanguageServer, cx: &mut ViewContext<Self>) {
10260 if let Some(project) = self.project.clone() {
10261 self.buffer.update(cx, |multi_buffer, cx| {
10262 project.update(cx, |project, cx| {
10263 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
10264 });
10265 })
10266 }
10267 }
10268
10269 fn cancel_language_server_work(
10270 &mut self,
10271 _: &actions::CancelLanguageServerWork,
10272 cx: &mut ViewContext<Self>,
10273 ) {
10274 if let Some(project) = self.project.clone() {
10275 self.buffer.update(cx, |multi_buffer, cx| {
10276 project.update(cx, |project, cx| {
10277 project.cancel_language_server_work_for_buffers(multi_buffer.all_buffers(), cx);
10278 });
10279 })
10280 }
10281 }
10282
10283 fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
10284 cx.show_character_palette();
10285 }
10286
10287 fn refresh_active_diagnostics(&mut self, cx: &mut ViewContext<Editor>) {
10288 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
10289 let buffer = self.buffer.read(cx).snapshot(cx);
10290 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
10291 let is_valid = buffer
10292 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone(), false)
10293 .any(|entry| {
10294 entry.diagnostic.is_primary
10295 && !entry.range.is_empty()
10296 && entry.range.start == primary_range_start
10297 && entry.diagnostic.message == active_diagnostics.primary_message
10298 });
10299
10300 if is_valid != active_diagnostics.is_valid {
10301 active_diagnostics.is_valid = is_valid;
10302 let mut new_styles = HashMap::default();
10303 for (block_id, diagnostic) in &active_diagnostics.blocks {
10304 new_styles.insert(
10305 *block_id,
10306 diagnostic_block_renderer(diagnostic.clone(), None, true, is_valid),
10307 );
10308 }
10309 self.display_map.update(cx, |display_map, _cx| {
10310 display_map.replace_blocks(new_styles)
10311 });
10312 }
10313 }
10314 }
10315
10316 fn activate_diagnostics(&mut self, group_id: usize, cx: &mut ViewContext<Self>) -> bool {
10317 self.dismiss_diagnostics(cx);
10318 let snapshot = self.snapshot(cx);
10319 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
10320 let buffer = self.buffer.read(cx).snapshot(cx);
10321
10322 let mut primary_range = None;
10323 let mut primary_message = None;
10324 let mut group_end = Point::zero();
10325 let diagnostic_group = buffer
10326 .diagnostic_group::<MultiBufferPoint>(group_id)
10327 .filter_map(|entry| {
10328 if snapshot.is_line_folded(MultiBufferRow(entry.range.start.row))
10329 && (entry.range.start.row == entry.range.end.row
10330 || snapshot.is_line_folded(MultiBufferRow(entry.range.end.row)))
10331 {
10332 return None;
10333 }
10334 if entry.range.end > group_end {
10335 group_end = entry.range.end;
10336 }
10337 if entry.diagnostic.is_primary {
10338 primary_range = Some(entry.range.clone());
10339 primary_message = Some(entry.diagnostic.message.clone());
10340 }
10341 Some(entry)
10342 })
10343 .collect::<Vec<_>>();
10344 let primary_range = primary_range?;
10345 let primary_message = primary_message?;
10346 let primary_range =
10347 buffer.anchor_after(primary_range.start)..buffer.anchor_before(primary_range.end);
10348
10349 let blocks = display_map
10350 .insert_blocks(
10351 diagnostic_group.iter().map(|entry| {
10352 let diagnostic = entry.diagnostic.clone();
10353 let message_height = diagnostic.message.matches('\n').count() as u32 + 1;
10354 BlockProperties {
10355 style: BlockStyle::Fixed,
10356 placement: BlockPlacement::Below(
10357 buffer.anchor_after(entry.range.start),
10358 ),
10359 height: message_height,
10360 render: diagnostic_block_renderer(diagnostic, None, true, true),
10361 priority: 0,
10362 }
10363 }),
10364 cx,
10365 )
10366 .into_iter()
10367 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
10368 .collect();
10369
10370 Some(ActiveDiagnosticGroup {
10371 primary_range,
10372 primary_message,
10373 group_id,
10374 blocks,
10375 is_valid: true,
10376 })
10377 });
10378 self.active_diagnostics.is_some()
10379 }
10380
10381 fn dismiss_diagnostics(&mut self, cx: &mut ViewContext<Self>) {
10382 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
10383 self.display_map.update(cx, |display_map, cx| {
10384 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
10385 });
10386 cx.notify();
10387 }
10388 }
10389
10390 pub fn set_selections_from_remote(
10391 &mut self,
10392 selections: Vec<Selection<Anchor>>,
10393 pending_selection: Option<Selection<Anchor>>,
10394 cx: &mut ViewContext<Self>,
10395 ) {
10396 let old_cursor_position = self.selections.newest_anchor().head();
10397 self.selections.change_with(cx, |s| {
10398 s.select_anchors(selections);
10399 if let Some(pending_selection) = pending_selection {
10400 s.set_pending(pending_selection, SelectMode::Character);
10401 } else {
10402 s.clear_pending();
10403 }
10404 });
10405 self.selections_did_change(false, &old_cursor_position, true, cx);
10406 }
10407
10408 fn push_to_selection_history(&mut self) {
10409 self.selection_history.push(SelectionHistoryEntry {
10410 selections: self.selections.disjoint_anchors(),
10411 select_next_state: self.select_next_state.clone(),
10412 select_prev_state: self.select_prev_state.clone(),
10413 add_selections_state: self.add_selections_state.clone(),
10414 });
10415 }
10416
10417 pub fn transact(
10418 &mut self,
10419 cx: &mut ViewContext<Self>,
10420 update: impl FnOnce(&mut Self, &mut ViewContext<Self>),
10421 ) -> Option<TransactionId> {
10422 self.start_transaction_at(Instant::now(), cx);
10423 update(self, cx);
10424 self.end_transaction_at(Instant::now(), cx)
10425 }
10426
10427 pub fn start_transaction_at(&mut self, now: Instant, cx: &mut ViewContext<Self>) {
10428 self.end_selection(cx);
10429 if let Some(tx_id) = self
10430 .buffer
10431 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
10432 {
10433 self.selection_history
10434 .insert_transaction(tx_id, self.selections.disjoint_anchors());
10435 cx.emit(EditorEvent::TransactionBegun {
10436 transaction_id: tx_id,
10437 })
10438 }
10439 }
10440
10441 pub fn end_transaction_at(
10442 &mut self,
10443 now: Instant,
10444 cx: &mut ViewContext<Self>,
10445 ) -> Option<TransactionId> {
10446 if let Some(transaction_id) = self
10447 .buffer
10448 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
10449 {
10450 if let Some((_, end_selections)) =
10451 self.selection_history.transaction_mut(transaction_id)
10452 {
10453 *end_selections = Some(self.selections.disjoint_anchors());
10454 } else {
10455 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
10456 }
10457
10458 cx.emit(EditorEvent::Edited { transaction_id });
10459 Some(transaction_id)
10460 } else {
10461 None
10462 }
10463 }
10464
10465 pub fn toggle_fold(&mut self, _: &actions::ToggleFold, cx: &mut ViewContext<Self>) {
10466 if self.is_singleton(cx) {
10467 let selection = self.selections.newest::<Point>(cx);
10468
10469 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10470 let range = if selection.is_empty() {
10471 let point = selection.head().to_display_point(&display_map);
10472 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
10473 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
10474 .to_point(&display_map);
10475 start..end
10476 } else {
10477 selection.range()
10478 };
10479 if display_map.folds_in_range(range).next().is_some() {
10480 self.unfold_lines(&Default::default(), cx)
10481 } else {
10482 self.fold(&Default::default(), cx)
10483 }
10484 } else {
10485 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
10486 let mut toggled_buffers = HashSet::default();
10487 for (_, buffer_snapshot, _) in multi_buffer_snapshot.excerpts_in_ranges(
10488 self.selections
10489 .disjoint_anchors()
10490 .into_iter()
10491 .map(|selection| selection.range()),
10492 ) {
10493 let buffer_id = buffer_snapshot.remote_id();
10494 if toggled_buffers.insert(buffer_id) {
10495 if self.buffer_folded(buffer_id, cx) {
10496 self.unfold_buffer(buffer_id, cx);
10497 } else {
10498 self.fold_buffer(buffer_id, cx);
10499 }
10500 }
10501 }
10502 }
10503 }
10504
10505 pub fn toggle_fold_recursive(
10506 &mut self,
10507 _: &actions::ToggleFoldRecursive,
10508 cx: &mut ViewContext<Self>,
10509 ) {
10510 let selection = self.selections.newest::<Point>(cx);
10511
10512 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10513 let range = if selection.is_empty() {
10514 let point = selection.head().to_display_point(&display_map);
10515 let start = DisplayPoint::new(point.row(), 0).to_point(&display_map);
10516 let end = DisplayPoint::new(point.row(), display_map.line_len(point.row()))
10517 .to_point(&display_map);
10518 start..end
10519 } else {
10520 selection.range()
10521 };
10522 if display_map.folds_in_range(range).next().is_some() {
10523 self.unfold_recursive(&Default::default(), cx)
10524 } else {
10525 self.fold_recursive(&Default::default(), cx)
10526 }
10527 }
10528
10529 pub fn fold(&mut self, _: &actions::Fold, cx: &mut ViewContext<Self>) {
10530 if self.is_singleton(cx) {
10531 let mut to_fold = Vec::new();
10532 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10533 let selections = self.selections.all_adjusted(cx);
10534
10535 for selection in selections {
10536 let range = selection.range().sorted();
10537 let buffer_start_row = range.start.row;
10538
10539 if range.start.row != range.end.row {
10540 let mut found = false;
10541 let mut row = range.start.row;
10542 while row <= range.end.row {
10543 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row))
10544 {
10545 found = true;
10546 row = crease.range().end.row + 1;
10547 to_fold.push(crease);
10548 } else {
10549 row += 1
10550 }
10551 }
10552 if found {
10553 continue;
10554 }
10555 }
10556
10557 for row in (0..=range.start.row).rev() {
10558 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
10559 if crease.range().end.row >= buffer_start_row {
10560 to_fold.push(crease);
10561 if row <= range.start.row {
10562 break;
10563 }
10564 }
10565 }
10566 }
10567 }
10568
10569 self.fold_creases(to_fold, true, cx);
10570 } else {
10571 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
10572 let mut folded_buffers = HashSet::default();
10573 for (_, buffer_snapshot, _) in multi_buffer_snapshot.excerpts_in_ranges(
10574 self.selections
10575 .disjoint_anchors()
10576 .into_iter()
10577 .map(|selection| selection.range()),
10578 ) {
10579 let buffer_id = buffer_snapshot.remote_id();
10580 if folded_buffers.insert(buffer_id) {
10581 self.fold_buffer(buffer_id, cx);
10582 }
10583 }
10584 }
10585 }
10586
10587 fn fold_at_level(&mut self, fold_at: &FoldAtLevel, cx: &mut ViewContext<Self>) {
10588 if !self.buffer.read(cx).is_singleton() {
10589 return;
10590 }
10591
10592 let fold_at_level = fold_at.level;
10593 let snapshot = self.buffer.read(cx).snapshot(cx);
10594 let mut to_fold = Vec::new();
10595 let mut stack = vec![(0, snapshot.max_row().0, 1)];
10596
10597 while let Some((mut start_row, end_row, current_level)) = stack.pop() {
10598 while start_row < end_row {
10599 match self
10600 .snapshot(cx)
10601 .crease_for_buffer_row(MultiBufferRow(start_row))
10602 {
10603 Some(crease) => {
10604 let nested_start_row = crease.range().start.row + 1;
10605 let nested_end_row = crease.range().end.row;
10606
10607 if current_level < fold_at_level {
10608 stack.push((nested_start_row, nested_end_row, current_level + 1));
10609 } else if current_level == fold_at_level {
10610 to_fold.push(crease);
10611 }
10612
10613 start_row = nested_end_row + 1;
10614 }
10615 None => start_row += 1,
10616 }
10617 }
10618 }
10619
10620 self.fold_creases(to_fold, true, cx);
10621 }
10622
10623 pub fn fold_all(&mut self, _: &actions::FoldAll, cx: &mut ViewContext<Self>) {
10624 if self.buffer.read(cx).is_singleton() {
10625 let mut fold_ranges = Vec::new();
10626 let snapshot = self.buffer.read(cx).snapshot(cx);
10627
10628 for row in 0..snapshot.max_row().0 {
10629 if let Some(foldable_range) =
10630 self.snapshot(cx).crease_for_buffer_row(MultiBufferRow(row))
10631 {
10632 fold_ranges.push(foldable_range);
10633 }
10634 }
10635
10636 self.fold_creases(fold_ranges, true, cx);
10637 } else {
10638 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
10639 editor
10640 .update(&mut cx, |editor, cx| {
10641 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
10642 editor.fold_buffer(buffer_id, cx);
10643 }
10644 })
10645 .ok();
10646 });
10647 }
10648 }
10649
10650 pub fn fold_function_bodies(
10651 &mut self,
10652 _: &actions::FoldFunctionBodies,
10653 cx: &mut ViewContext<Self>,
10654 ) {
10655 let snapshot = self.buffer.read(cx).snapshot(cx);
10656 let Some((_, _, buffer)) = snapshot.as_singleton() else {
10657 return;
10658 };
10659 let creases = buffer
10660 .function_body_fold_ranges(0..buffer.len())
10661 .map(|range| Crease::simple(range, self.display_map.read(cx).fold_placeholder.clone()))
10662 .collect();
10663
10664 self.fold_creases(creases, true, cx);
10665 }
10666
10667 pub fn fold_recursive(&mut self, _: &actions::FoldRecursive, cx: &mut ViewContext<Self>) {
10668 let mut to_fold = Vec::new();
10669 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10670 let selections = self.selections.all_adjusted(cx);
10671
10672 for selection in selections {
10673 let range = selection.range().sorted();
10674 let buffer_start_row = range.start.row;
10675
10676 if range.start.row != range.end.row {
10677 let mut found = false;
10678 for row in range.start.row..=range.end.row {
10679 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
10680 found = true;
10681 to_fold.push(crease);
10682 }
10683 }
10684 if found {
10685 continue;
10686 }
10687 }
10688
10689 for row in (0..=range.start.row).rev() {
10690 if let Some(crease) = display_map.crease_for_buffer_row(MultiBufferRow(row)) {
10691 if crease.range().end.row >= buffer_start_row {
10692 to_fold.push(crease);
10693 } else {
10694 break;
10695 }
10696 }
10697 }
10698 }
10699
10700 self.fold_creases(to_fold, true, cx);
10701 }
10702
10703 pub fn fold_at(&mut self, fold_at: &FoldAt, cx: &mut ViewContext<Self>) {
10704 let buffer_row = fold_at.buffer_row;
10705 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10706
10707 if let Some(crease) = display_map.crease_for_buffer_row(buffer_row) {
10708 let autoscroll = self
10709 .selections
10710 .all::<Point>(cx)
10711 .iter()
10712 .any(|selection| crease.range().overlaps(&selection.range()));
10713
10714 self.fold_creases(vec![crease], autoscroll, cx);
10715 }
10716 }
10717
10718 pub fn unfold_lines(&mut self, _: &UnfoldLines, cx: &mut ViewContext<Self>) {
10719 if self.is_singleton(cx) {
10720 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10721 let buffer = &display_map.buffer_snapshot;
10722 let selections = self.selections.all::<Point>(cx);
10723 let ranges = selections
10724 .iter()
10725 .map(|s| {
10726 let range = s.display_range(&display_map).sorted();
10727 let mut start = range.start.to_point(&display_map);
10728 let mut end = range.end.to_point(&display_map);
10729 start.column = 0;
10730 end.column = buffer.line_len(MultiBufferRow(end.row));
10731 start..end
10732 })
10733 .collect::<Vec<_>>();
10734
10735 self.unfold_ranges(&ranges, true, true, cx);
10736 } else {
10737 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
10738 let mut unfolded_buffers = HashSet::default();
10739 for (_, buffer_snapshot, _) in multi_buffer_snapshot.excerpts_in_ranges(
10740 self.selections
10741 .disjoint_anchors()
10742 .into_iter()
10743 .map(|selection| selection.range()),
10744 ) {
10745 let buffer_id = buffer_snapshot.remote_id();
10746 if unfolded_buffers.insert(buffer_id) {
10747 self.unfold_buffer(buffer_id, cx);
10748 }
10749 }
10750 }
10751 }
10752
10753 pub fn unfold_recursive(&mut self, _: &UnfoldRecursive, cx: &mut ViewContext<Self>) {
10754 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10755 let selections = self.selections.all::<Point>(cx);
10756 let ranges = selections
10757 .iter()
10758 .map(|s| {
10759 let mut range = s.display_range(&display_map).sorted();
10760 *range.start.column_mut() = 0;
10761 *range.end.column_mut() = display_map.line_len(range.end.row());
10762 let start = range.start.to_point(&display_map);
10763 let end = range.end.to_point(&display_map);
10764 start..end
10765 })
10766 .collect::<Vec<_>>();
10767
10768 self.unfold_ranges(&ranges, true, true, cx);
10769 }
10770
10771 pub fn unfold_at(&mut self, unfold_at: &UnfoldAt, cx: &mut ViewContext<Self>) {
10772 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10773
10774 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
10775 ..Point::new(
10776 unfold_at.buffer_row.0,
10777 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
10778 );
10779
10780 let autoscroll = self
10781 .selections
10782 .all::<Point>(cx)
10783 .iter()
10784 .any(|selection| RangeExt::overlaps(&selection.range(), &intersection_range));
10785
10786 self.unfold_ranges(&[intersection_range], true, autoscroll, cx)
10787 }
10788
10789 pub fn unfold_all(&mut self, _: &actions::UnfoldAll, cx: &mut ViewContext<Self>) {
10790 if self.buffer.read(cx).is_singleton() {
10791 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10792 self.unfold_ranges(&[0..display_map.buffer_snapshot.len()], true, true, cx);
10793 } else {
10794 self.toggle_fold_multiple_buffers = cx.spawn(|editor, mut cx| async move {
10795 editor
10796 .update(&mut cx, |editor, cx| {
10797 for buffer_id in editor.buffer.read(cx).excerpt_buffer_ids() {
10798 editor.unfold_buffer(buffer_id, cx);
10799 }
10800 })
10801 .ok();
10802 });
10803 }
10804 }
10805
10806 pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
10807 let selections = self.selections.all::<Point>(cx);
10808 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
10809 let line_mode = self.selections.line_mode;
10810 let ranges = selections
10811 .into_iter()
10812 .map(|s| {
10813 if line_mode {
10814 let start = Point::new(s.start.row, 0);
10815 let end = Point::new(
10816 s.end.row,
10817 display_map
10818 .buffer_snapshot
10819 .line_len(MultiBufferRow(s.end.row)),
10820 );
10821 Crease::simple(start..end, display_map.fold_placeholder.clone())
10822 } else {
10823 Crease::simple(s.start..s.end, display_map.fold_placeholder.clone())
10824 }
10825 })
10826 .collect::<Vec<_>>();
10827 self.fold_creases(ranges, true, cx);
10828 }
10829
10830 pub fn fold_creases<T: ToOffset + Clone>(
10831 &mut self,
10832 creases: Vec<Crease<T>>,
10833 auto_scroll: bool,
10834 cx: &mut ViewContext<Self>,
10835 ) {
10836 if creases.is_empty() {
10837 return;
10838 }
10839
10840 let mut buffers_affected = HashSet::default();
10841 let multi_buffer = self.buffer().read(cx);
10842 for crease in &creases {
10843 if let Some((_, buffer, _)) =
10844 multi_buffer.excerpt_containing(crease.range().start.clone(), cx)
10845 {
10846 buffers_affected.insert(buffer.read(cx).remote_id());
10847 };
10848 }
10849
10850 self.display_map.update(cx, |map, cx| map.fold(creases, cx));
10851
10852 if auto_scroll {
10853 self.request_autoscroll(Autoscroll::fit(), cx);
10854 }
10855
10856 for buffer_id in buffers_affected {
10857 Self::sync_expanded_diff_hunks(&mut self.diff_map, buffer_id, cx);
10858 }
10859
10860 cx.notify();
10861
10862 if let Some(active_diagnostics) = self.active_diagnostics.take() {
10863 // Clear diagnostics block when folding a range that contains it.
10864 let snapshot = self.snapshot(cx);
10865 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
10866 drop(snapshot);
10867 self.active_diagnostics = Some(active_diagnostics);
10868 self.dismiss_diagnostics(cx);
10869 } else {
10870 self.active_diagnostics = Some(active_diagnostics);
10871 }
10872 }
10873
10874 self.scrollbar_marker_state.dirty = true;
10875 }
10876
10877 /// Removes any folds whose ranges intersect any of the given ranges.
10878 pub fn unfold_ranges<T: ToOffset + Clone>(
10879 &mut self,
10880 ranges: &[Range<T>],
10881 inclusive: bool,
10882 auto_scroll: bool,
10883 cx: &mut ViewContext<Self>,
10884 ) {
10885 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
10886 map.unfold_intersecting(ranges.iter().cloned(), inclusive, cx)
10887 });
10888 }
10889
10890 pub fn fold_buffer(&mut self, buffer_id: BufferId, cx: &mut ViewContext<Self>) {
10891 if self.buffer().read(cx).is_singleton() || self.buffer_folded(buffer_id, cx) {
10892 return;
10893 }
10894 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
10895 return;
10896 };
10897 let folded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
10898 self.display_map
10899 .update(cx, |display_map, cx| display_map.fold_buffer(buffer_id, cx));
10900 cx.emit(EditorEvent::BufferFoldToggled {
10901 ids: folded_excerpts.iter().map(|&(id, _)| id).collect(),
10902 folded: true,
10903 });
10904 cx.notify();
10905 }
10906
10907 pub fn unfold_buffer(&mut self, buffer_id: BufferId, cx: &mut ViewContext<Self>) {
10908 if self.buffer().read(cx).is_singleton() || !self.buffer_folded(buffer_id, cx) {
10909 return;
10910 }
10911 let Some(buffer) = self.buffer().read(cx).buffer(buffer_id) else {
10912 return;
10913 };
10914 let unfolded_excerpts = self.buffer().read(cx).excerpts_for_buffer(&buffer, cx);
10915 self.display_map.update(cx, |display_map, cx| {
10916 display_map.unfold_buffer(buffer_id, cx);
10917 });
10918 cx.emit(EditorEvent::BufferFoldToggled {
10919 ids: unfolded_excerpts.iter().map(|&(id, _)| id).collect(),
10920 folded: false,
10921 });
10922 cx.notify();
10923 }
10924
10925 pub fn buffer_folded(&self, buffer: BufferId, cx: &AppContext) -> bool {
10926 self.display_map.read(cx).buffer_folded(buffer)
10927 }
10928
10929 /// Removes any folds with the given ranges.
10930 pub fn remove_folds_with_type<T: ToOffset + Clone>(
10931 &mut self,
10932 ranges: &[Range<T>],
10933 type_id: TypeId,
10934 auto_scroll: bool,
10935 cx: &mut ViewContext<Self>,
10936 ) {
10937 self.remove_folds_with(ranges, auto_scroll, cx, |map, cx| {
10938 map.remove_folds_with_type(ranges.iter().cloned(), type_id, cx)
10939 });
10940 }
10941
10942 fn remove_folds_with<T: ToOffset + Clone>(
10943 &mut self,
10944 ranges: &[Range<T>],
10945 auto_scroll: bool,
10946 cx: &mut ViewContext<Self>,
10947 update: impl FnOnce(&mut DisplayMap, &mut ModelContext<DisplayMap>),
10948 ) {
10949 if ranges.is_empty() {
10950 return;
10951 }
10952
10953 let mut buffers_affected = HashSet::default();
10954 let multi_buffer = self.buffer().read(cx);
10955 for range in ranges {
10956 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
10957 buffers_affected.insert(buffer.read(cx).remote_id());
10958 };
10959 }
10960
10961 self.display_map.update(cx, update);
10962
10963 if auto_scroll {
10964 self.request_autoscroll(Autoscroll::fit(), cx);
10965 }
10966
10967 for buffer_id in buffers_affected {
10968 Self::sync_expanded_diff_hunks(&mut self.diff_map, buffer_id, cx);
10969 }
10970
10971 cx.notify();
10972 self.scrollbar_marker_state.dirty = true;
10973 self.active_indent_guides_state.dirty = true;
10974 }
10975
10976 pub fn default_fold_placeholder(&self, cx: &AppContext) -> FoldPlaceholder {
10977 self.display_map.read(cx).fold_placeholder.clone()
10978 }
10979
10980 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut ViewContext<Self>) {
10981 if hovered != self.gutter_hovered {
10982 self.gutter_hovered = hovered;
10983 cx.notify();
10984 }
10985 }
10986
10987 pub fn insert_blocks(
10988 &mut self,
10989 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
10990 autoscroll: Option<Autoscroll>,
10991 cx: &mut ViewContext<Self>,
10992 ) -> Vec<CustomBlockId> {
10993 let blocks = self
10994 .display_map
10995 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
10996 if let Some(autoscroll) = autoscroll {
10997 self.request_autoscroll(autoscroll, cx);
10998 }
10999 cx.notify();
11000 blocks
11001 }
11002
11003 pub fn resize_blocks(
11004 &mut self,
11005 heights: HashMap<CustomBlockId, u32>,
11006 autoscroll: Option<Autoscroll>,
11007 cx: &mut ViewContext<Self>,
11008 ) {
11009 self.display_map
11010 .update(cx, |display_map, cx| display_map.resize_blocks(heights, cx));
11011 if let Some(autoscroll) = autoscroll {
11012 self.request_autoscroll(autoscroll, cx);
11013 }
11014 cx.notify();
11015 }
11016
11017 pub fn replace_blocks(
11018 &mut self,
11019 renderers: HashMap<CustomBlockId, RenderBlock>,
11020 autoscroll: Option<Autoscroll>,
11021 cx: &mut ViewContext<Self>,
11022 ) {
11023 self.display_map
11024 .update(cx, |display_map, _cx| display_map.replace_blocks(renderers));
11025 if let Some(autoscroll) = autoscroll {
11026 self.request_autoscroll(autoscroll, cx);
11027 }
11028 cx.notify();
11029 }
11030
11031 pub fn remove_blocks(
11032 &mut self,
11033 block_ids: HashSet<CustomBlockId>,
11034 autoscroll: Option<Autoscroll>,
11035 cx: &mut ViewContext<Self>,
11036 ) {
11037 self.display_map.update(cx, |display_map, cx| {
11038 display_map.remove_blocks(block_ids, cx)
11039 });
11040 if let Some(autoscroll) = autoscroll {
11041 self.request_autoscroll(autoscroll, cx);
11042 }
11043 cx.notify();
11044 }
11045
11046 pub fn row_for_block(
11047 &self,
11048 block_id: CustomBlockId,
11049 cx: &mut ViewContext<Self>,
11050 ) -> Option<DisplayRow> {
11051 self.display_map
11052 .update(cx, |map, cx| map.row_for_block(block_id, cx))
11053 }
11054
11055 pub(crate) fn set_focused_block(&mut self, focused_block: FocusedBlock) {
11056 self.focused_block = Some(focused_block);
11057 }
11058
11059 pub(crate) fn take_focused_block(&mut self) -> Option<FocusedBlock> {
11060 self.focused_block.take()
11061 }
11062
11063 pub fn insert_creases(
11064 &mut self,
11065 creases: impl IntoIterator<Item = Crease<Anchor>>,
11066 cx: &mut ViewContext<Self>,
11067 ) -> Vec<CreaseId> {
11068 self.display_map
11069 .update(cx, |map, cx| map.insert_creases(creases, cx))
11070 }
11071
11072 pub fn remove_creases(
11073 &mut self,
11074 ids: impl IntoIterator<Item = CreaseId>,
11075 cx: &mut ViewContext<Self>,
11076 ) {
11077 self.display_map
11078 .update(cx, |map, cx| map.remove_creases(ids, cx));
11079 }
11080
11081 pub fn longest_row(&self, cx: &mut AppContext) -> DisplayRow {
11082 self.display_map
11083 .update(cx, |map, cx| map.snapshot(cx))
11084 .longest_row()
11085 }
11086
11087 pub fn max_point(&self, cx: &mut AppContext) -> DisplayPoint {
11088 self.display_map
11089 .update(cx, |map, cx| map.snapshot(cx))
11090 .max_point()
11091 }
11092
11093 pub fn text(&self, cx: &AppContext) -> String {
11094 self.buffer.read(cx).read(cx).text()
11095 }
11096
11097 pub fn text_option(&self, cx: &AppContext) -> Option<String> {
11098 let text = self.text(cx);
11099 let text = text.trim();
11100
11101 if text.is_empty() {
11102 return None;
11103 }
11104
11105 Some(text.to_string())
11106 }
11107
11108 pub fn set_text(&mut self, text: impl Into<Arc<str>>, cx: &mut ViewContext<Self>) {
11109 self.transact(cx, |this, cx| {
11110 this.buffer
11111 .read(cx)
11112 .as_singleton()
11113 .expect("you can only call set_text on editors for singleton buffers")
11114 .update(cx, |buffer, cx| buffer.set_text(text, cx));
11115 });
11116 }
11117
11118 pub fn display_text(&self, cx: &mut AppContext) -> String {
11119 self.display_map
11120 .update(cx, |map, cx| map.snapshot(cx))
11121 .text()
11122 }
11123
11124 pub fn wrap_guides(&self, cx: &AppContext) -> SmallVec<[(usize, bool); 2]> {
11125 let mut wrap_guides = smallvec::smallvec![];
11126
11127 if self.show_wrap_guides == Some(false) {
11128 return wrap_guides;
11129 }
11130
11131 let settings = self.buffer.read(cx).settings_at(0, cx);
11132 if settings.show_wrap_guides {
11133 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
11134 wrap_guides.push((soft_wrap as usize, true));
11135 } else if let SoftWrap::Bounded(soft_wrap) = self.soft_wrap_mode(cx) {
11136 wrap_guides.push((soft_wrap as usize, true));
11137 }
11138 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
11139 }
11140
11141 wrap_guides
11142 }
11143
11144 pub fn soft_wrap_mode(&self, cx: &AppContext) -> SoftWrap {
11145 let settings = self.buffer.read(cx).settings_at(0, cx);
11146 let mode = self.soft_wrap_mode_override.unwrap_or(settings.soft_wrap);
11147 match mode {
11148 language_settings::SoftWrap::PreferLine | language_settings::SoftWrap::None => {
11149 SoftWrap::None
11150 }
11151 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
11152 language_settings::SoftWrap::PreferredLineLength => {
11153 SoftWrap::Column(settings.preferred_line_length)
11154 }
11155 language_settings::SoftWrap::Bounded => {
11156 SoftWrap::Bounded(settings.preferred_line_length)
11157 }
11158 }
11159 }
11160
11161 pub fn set_soft_wrap_mode(
11162 &mut self,
11163 mode: language_settings::SoftWrap,
11164 cx: &mut ViewContext<Self>,
11165 ) {
11166 self.soft_wrap_mode_override = Some(mode);
11167 cx.notify();
11168 }
11169
11170 pub fn set_text_style_refinement(&mut self, style: TextStyleRefinement) {
11171 self.text_style_refinement = Some(style);
11172 }
11173
11174 /// called by the Element so we know what style we were most recently rendered with.
11175 pub(crate) fn set_style(&mut self, style: EditorStyle, cx: &mut ViewContext<Self>) {
11176 let rem_size = cx.rem_size();
11177 self.display_map.update(cx, |map, cx| {
11178 map.set_font(
11179 style.text.font(),
11180 style.text.font_size.to_pixels(rem_size),
11181 cx,
11182 )
11183 });
11184 self.style = Some(style);
11185 }
11186
11187 pub fn style(&self) -> Option<&EditorStyle> {
11188 self.style.as_ref()
11189 }
11190
11191 // Called by the element. This method is not designed to be called outside of the editor
11192 // element's layout code because it does not notify when rewrapping is computed synchronously.
11193 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut AppContext) -> bool {
11194 self.display_map
11195 .update(cx, |map, cx| map.set_wrap_width(width, cx))
11196 }
11197
11198 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, cx: &mut ViewContext<Self>) {
11199 if self.soft_wrap_mode_override.is_some() {
11200 self.soft_wrap_mode_override.take();
11201 } else {
11202 let soft_wrap = match self.soft_wrap_mode(cx) {
11203 SoftWrap::GitDiff => return,
11204 SoftWrap::None => language_settings::SoftWrap::EditorWidth,
11205 SoftWrap::EditorWidth | SoftWrap::Column(_) | SoftWrap::Bounded(_) => {
11206 language_settings::SoftWrap::None
11207 }
11208 };
11209 self.soft_wrap_mode_override = Some(soft_wrap);
11210 }
11211 cx.notify();
11212 }
11213
11214 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, cx: &mut ViewContext<Self>) {
11215 let Some(workspace) = self.workspace() else {
11216 return;
11217 };
11218 let fs = workspace.read(cx).app_state().fs.clone();
11219 let current_show = TabBarSettings::get_global(cx).show;
11220 update_settings_file::<TabBarSettings>(fs, cx, move |setting, _| {
11221 setting.show = Some(!current_show);
11222 });
11223 }
11224
11225 pub fn toggle_indent_guides(&mut self, _: &ToggleIndentGuides, cx: &mut ViewContext<Self>) {
11226 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
11227 self.buffer
11228 .read(cx)
11229 .settings_at(0, cx)
11230 .indent_guides
11231 .enabled
11232 });
11233 self.show_indent_guides = Some(!currently_enabled);
11234 cx.notify();
11235 }
11236
11237 fn should_show_indent_guides(&self) -> Option<bool> {
11238 self.show_indent_guides
11239 }
11240
11241 pub fn toggle_line_numbers(&mut self, _: &ToggleLineNumbers, cx: &mut ViewContext<Self>) {
11242 let mut editor_settings = EditorSettings::get_global(cx).clone();
11243 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
11244 EditorSettings::override_global(editor_settings, cx);
11245 }
11246
11247 pub fn should_use_relative_line_numbers(&self, cx: &WindowContext) -> bool {
11248 self.use_relative_line_numbers
11249 .unwrap_or(EditorSettings::get_global(cx).relative_line_numbers)
11250 }
11251
11252 pub fn toggle_relative_line_numbers(
11253 &mut self,
11254 _: &ToggleRelativeLineNumbers,
11255 cx: &mut ViewContext<Self>,
11256 ) {
11257 let is_relative = self.should_use_relative_line_numbers(cx);
11258 self.set_relative_line_number(Some(!is_relative), cx)
11259 }
11260
11261 pub fn set_relative_line_number(
11262 &mut self,
11263 is_relative: Option<bool>,
11264 cx: &mut ViewContext<Self>,
11265 ) {
11266 self.use_relative_line_numbers = is_relative;
11267 cx.notify();
11268 }
11269
11270 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
11271 self.show_gutter = show_gutter;
11272 cx.notify();
11273 }
11274
11275 pub fn set_show_scrollbars(&mut self, show_scrollbars: bool, cx: &mut ViewContext<Self>) {
11276 self.show_scrollbars = show_scrollbars;
11277 cx.notify();
11278 }
11279
11280 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut ViewContext<Self>) {
11281 self.show_line_numbers = Some(show_line_numbers);
11282 cx.notify();
11283 }
11284
11285 pub fn set_show_git_diff_gutter(
11286 &mut self,
11287 show_git_diff_gutter: bool,
11288 cx: &mut ViewContext<Self>,
11289 ) {
11290 self.show_git_diff_gutter = Some(show_git_diff_gutter);
11291 cx.notify();
11292 }
11293
11294 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut ViewContext<Self>) {
11295 self.show_code_actions = Some(show_code_actions);
11296 cx.notify();
11297 }
11298
11299 pub fn set_show_runnables(&mut self, show_runnables: bool, cx: &mut ViewContext<Self>) {
11300 self.show_runnables = Some(show_runnables);
11301 cx.notify();
11302 }
11303
11304 pub fn set_masked(&mut self, masked: bool, cx: &mut ViewContext<Self>) {
11305 if self.display_map.read(cx).masked != masked {
11306 self.display_map.update(cx, |map, _| map.masked = masked);
11307 }
11308 cx.notify()
11309 }
11310
11311 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut ViewContext<Self>) {
11312 self.show_wrap_guides = Some(show_wrap_guides);
11313 cx.notify();
11314 }
11315
11316 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut ViewContext<Self>) {
11317 self.show_indent_guides = Some(show_indent_guides);
11318 cx.notify();
11319 }
11320
11321 pub fn working_directory(&self, cx: &WindowContext) -> Option<PathBuf> {
11322 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
11323 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
11324 if let Some(dir) = file.abs_path(cx).parent() {
11325 return Some(dir.to_owned());
11326 }
11327 }
11328
11329 if let Some(project_path) = buffer.read(cx).project_path(cx) {
11330 return Some(project_path.path.to_path_buf());
11331 }
11332 }
11333
11334 None
11335 }
11336
11337 fn target_file<'a>(&self, cx: &'a AppContext) -> Option<&'a dyn language::LocalFile> {
11338 self.active_excerpt(cx)?
11339 .1
11340 .read(cx)
11341 .file()
11342 .and_then(|f| f.as_local())
11343 }
11344
11345 pub fn reveal_in_finder(&mut self, _: &RevealInFileManager, cx: &mut ViewContext<Self>) {
11346 if let Some(target) = self.target_file(cx) {
11347 cx.reveal_path(&target.abs_path(cx));
11348 }
11349 }
11350
11351 pub fn copy_path(&mut self, _: &CopyPath, cx: &mut ViewContext<Self>) {
11352 if let Some(file) = self.target_file(cx) {
11353 if let Some(path) = file.abs_path(cx).to_str() {
11354 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
11355 }
11356 }
11357 }
11358
11359 pub fn copy_relative_path(&mut self, _: &CopyRelativePath, cx: &mut ViewContext<Self>) {
11360 if let Some(file) = self.target_file(cx) {
11361 if let Some(path) = file.path().to_str() {
11362 cx.write_to_clipboard(ClipboardItem::new_string(path.to_string()));
11363 }
11364 }
11365 }
11366
11367 pub fn toggle_git_blame(&mut self, _: &ToggleGitBlame, cx: &mut ViewContext<Self>) {
11368 self.show_git_blame_gutter = !self.show_git_blame_gutter;
11369
11370 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
11371 self.start_git_blame(true, cx);
11372 }
11373
11374 cx.notify();
11375 }
11376
11377 pub fn toggle_git_blame_inline(
11378 &mut self,
11379 _: &ToggleGitBlameInline,
11380 cx: &mut ViewContext<Self>,
11381 ) {
11382 self.toggle_git_blame_inline_internal(true, cx);
11383 cx.notify();
11384 }
11385
11386 pub fn git_blame_inline_enabled(&self) -> bool {
11387 self.git_blame_inline_enabled
11388 }
11389
11390 pub fn toggle_selection_menu(&mut self, _: &ToggleSelectionMenu, cx: &mut ViewContext<Self>) {
11391 self.show_selection_menu = self
11392 .show_selection_menu
11393 .map(|show_selections_menu| !show_selections_menu)
11394 .or_else(|| Some(!EditorSettings::get_global(cx).toolbar.selections_menu));
11395
11396 cx.notify();
11397 }
11398
11399 pub fn selection_menu_enabled(&self, cx: &AppContext) -> bool {
11400 self.show_selection_menu
11401 .unwrap_or_else(|| EditorSettings::get_global(cx).toolbar.selections_menu)
11402 }
11403
11404 fn start_git_blame(&mut self, user_triggered: bool, cx: &mut ViewContext<Self>) {
11405 if let Some(project) = self.project.as_ref() {
11406 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
11407 return;
11408 };
11409
11410 if buffer.read(cx).file().is_none() {
11411 return;
11412 }
11413
11414 let focused = self.focus_handle(cx).contains_focused(cx);
11415
11416 let project = project.clone();
11417 let blame =
11418 cx.new_model(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
11419 self.blame_subscription = Some(cx.observe(&blame, |_, _, cx| cx.notify()));
11420 self.blame = Some(blame);
11421 }
11422 }
11423
11424 fn toggle_git_blame_inline_internal(
11425 &mut self,
11426 user_triggered: bool,
11427 cx: &mut ViewContext<Self>,
11428 ) {
11429 if self.git_blame_inline_enabled {
11430 self.git_blame_inline_enabled = false;
11431 self.show_git_blame_inline = false;
11432 self.show_git_blame_inline_delay_task.take();
11433 } else {
11434 self.git_blame_inline_enabled = true;
11435 self.start_git_blame_inline(user_triggered, cx);
11436 }
11437
11438 cx.notify();
11439 }
11440
11441 fn start_git_blame_inline(&mut self, user_triggered: bool, cx: &mut ViewContext<Self>) {
11442 self.start_git_blame(user_triggered, cx);
11443
11444 if ProjectSettings::get_global(cx)
11445 .git
11446 .inline_blame_delay()
11447 .is_some()
11448 {
11449 self.start_inline_blame_timer(cx);
11450 } else {
11451 self.show_git_blame_inline = true
11452 }
11453 }
11454
11455 pub fn blame(&self) -> Option<&Model<GitBlame>> {
11456 self.blame.as_ref()
11457 }
11458
11459 pub fn show_git_blame_gutter(&self) -> bool {
11460 self.show_git_blame_gutter
11461 }
11462
11463 pub fn render_git_blame_gutter(&mut self, cx: &mut WindowContext) -> bool {
11464 self.show_git_blame_gutter && self.has_blame_entries(cx)
11465 }
11466
11467 pub fn render_git_blame_inline(&mut self, cx: &mut WindowContext) -> bool {
11468 self.show_git_blame_inline
11469 && self.focus_handle.is_focused(cx)
11470 && !self.newest_selection_head_on_empty_line(cx)
11471 && self.has_blame_entries(cx)
11472 }
11473
11474 fn has_blame_entries(&self, cx: &mut WindowContext) -> bool {
11475 self.blame()
11476 .map_or(false, |blame| blame.read(cx).has_generated_entries())
11477 }
11478
11479 fn newest_selection_head_on_empty_line(&mut self, cx: &mut WindowContext) -> bool {
11480 let cursor_anchor = self.selections.newest_anchor().head();
11481
11482 let snapshot = self.buffer.read(cx).snapshot(cx);
11483 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
11484
11485 snapshot.line_len(buffer_row) == 0
11486 }
11487
11488 fn get_permalink_to_line(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<url::Url>> {
11489 let buffer_and_selection = maybe!({
11490 let selection = self.selections.newest::<Point>(cx);
11491 let selection_range = selection.range();
11492
11493 let (buffer, selection) = if let Some(buffer) = self.buffer().read(cx).as_singleton() {
11494 (buffer, selection_range.start.row..selection_range.end.row)
11495 } else {
11496 let buffer_ranges = self
11497 .buffer()
11498 .read(cx)
11499 .range_to_buffer_ranges(selection_range, cx);
11500
11501 let (buffer, range, _) = if selection.reversed {
11502 buffer_ranges.first()
11503 } else {
11504 buffer_ranges.last()
11505 }?;
11506
11507 let snapshot = buffer.read(cx).snapshot();
11508 let selection = text::ToPoint::to_point(&range.start, &snapshot).row
11509 ..text::ToPoint::to_point(&range.end, &snapshot).row;
11510 (buffer.clone(), selection)
11511 };
11512
11513 Some((buffer, selection))
11514 });
11515
11516 let Some((buffer, selection)) = buffer_and_selection else {
11517 return Task::ready(Err(anyhow!("failed to determine buffer and selection")));
11518 };
11519
11520 let Some(project) = self.project.as_ref() else {
11521 return Task::ready(Err(anyhow!("editor does not have project")));
11522 };
11523
11524 project.update(cx, |project, cx| {
11525 project.get_permalink_to_line(&buffer, selection, cx)
11526 })
11527 }
11528
11529 pub fn copy_permalink_to_line(&mut self, _: &CopyPermalinkToLine, cx: &mut ViewContext<Self>) {
11530 let permalink_task = self.get_permalink_to_line(cx);
11531 let workspace = self.workspace();
11532
11533 cx.spawn(|_, mut cx| async move {
11534 match permalink_task.await {
11535 Ok(permalink) => {
11536 cx.update(|cx| {
11537 cx.write_to_clipboard(ClipboardItem::new_string(permalink.to_string()));
11538 })
11539 .ok();
11540 }
11541 Err(err) => {
11542 let message = format!("Failed to copy permalink: {err}");
11543
11544 Err::<(), anyhow::Error>(err).log_err();
11545
11546 if let Some(workspace) = workspace {
11547 workspace
11548 .update(&mut cx, |workspace, cx| {
11549 struct CopyPermalinkToLine;
11550
11551 workspace.show_toast(
11552 Toast::new(
11553 NotificationId::unique::<CopyPermalinkToLine>(),
11554 message,
11555 ),
11556 cx,
11557 )
11558 })
11559 .ok();
11560 }
11561 }
11562 }
11563 })
11564 .detach();
11565 }
11566
11567 pub fn copy_file_location(&mut self, _: &CopyFileLocation, cx: &mut ViewContext<Self>) {
11568 let selection = self.selections.newest::<Point>(cx).start.row + 1;
11569 if let Some(file) = self.target_file(cx) {
11570 if let Some(path) = file.path().to_str() {
11571 cx.write_to_clipboard(ClipboardItem::new_string(format!("{path}:{selection}")));
11572 }
11573 }
11574 }
11575
11576 pub fn open_permalink_to_line(&mut self, _: &OpenPermalinkToLine, cx: &mut ViewContext<Self>) {
11577 let permalink_task = self.get_permalink_to_line(cx);
11578 let workspace = self.workspace();
11579
11580 cx.spawn(|_, mut cx| async move {
11581 match permalink_task.await {
11582 Ok(permalink) => {
11583 cx.update(|cx| {
11584 cx.open_url(permalink.as_ref());
11585 })
11586 .ok();
11587 }
11588 Err(err) => {
11589 let message = format!("Failed to open permalink: {err}");
11590
11591 Err::<(), anyhow::Error>(err).log_err();
11592
11593 if let Some(workspace) = workspace {
11594 workspace
11595 .update(&mut cx, |workspace, cx| {
11596 struct OpenPermalinkToLine;
11597
11598 workspace.show_toast(
11599 Toast::new(
11600 NotificationId::unique::<OpenPermalinkToLine>(),
11601 message,
11602 ),
11603 cx,
11604 )
11605 })
11606 .ok();
11607 }
11608 }
11609 }
11610 })
11611 .detach();
11612 }
11613
11614 pub fn insert_uuid_v4(&mut self, _: &InsertUuidV4, cx: &mut ViewContext<Self>) {
11615 self.insert_uuid(UuidVersion::V4, cx);
11616 }
11617
11618 pub fn insert_uuid_v7(&mut self, _: &InsertUuidV7, cx: &mut ViewContext<Self>) {
11619 self.insert_uuid(UuidVersion::V7, cx);
11620 }
11621
11622 fn insert_uuid(&mut self, version: UuidVersion, cx: &mut ViewContext<Self>) {
11623 self.transact(cx, |this, cx| {
11624 let edits = this
11625 .selections
11626 .all::<Point>(cx)
11627 .into_iter()
11628 .map(|selection| {
11629 let uuid = match version {
11630 UuidVersion::V4 => uuid::Uuid::new_v4(),
11631 UuidVersion::V7 => uuid::Uuid::now_v7(),
11632 };
11633
11634 (selection.range(), uuid.to_string())
11635 });
11636 this.edit(edits, cx);
11637 this.refresh_inline_completion(true, false, cx);
11638 });
11639 }
11640
11641 /// Adds a row highlight for the given range. If a row has multiple highlights, the
11642 /// last highlight added will be used.
11643 ///
11644 /// If the range ends at the beginning of a line, then that line will not be highlighted.
11645 pub fn highlight_rows<T: 'static>(
11646 &mut self,
11647 range: Range<Anchor>,
11648 color: Hsla,
11649 should_autoscroll: bool,
11650 cx: &mut ViewContext<Self>,
11651 ) {
11652 let snapshot = self.buffer().read(cx).snapshot(cx);
11653 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
11654 let ix = row_highlights.binary_search_by(|highlight| {
11655 Ordering::Equal
11656 .then_with(|| highlight.range.start.cmp(&range.start, &snapshot))
11657 .then_with(|| highlight.range.end.cmp(&range.end, &snapshot))
11658 });
11659
11660 if let Err(mut ix) = ix {
11661 let index = post_inc(&mut self.highlight_order);
11662
11663 // If this range intersects with the preceding highlight, then merge it with
11664 // the preceding highlight. Otherwise insert a new highlight.
11665 let mut merged = false;
11666 if ix > 0 {
11667 let prev_highlight = &mut row_highlights[ix - 1];
11668 if prev_highlight
11669 .range
11670 .end
11671 .cmp(&range.start, &snapshot)
11672 .is_ge()
11673 {
11674 ix -= 1;
11675 if prev_highlight.range.end.cmp(&range.end, &snapshot).is_lt() {
11676 prev_highlight.range.end = range.end;
11677 }
11678 merged = true;
11679 prev_highlight.index = index;
11680 prev_highlight.color = color;
11681 prev_highlight.should_autoscroll = should_autoscroll;
11682 }
11683 }
11684
11685 if !merged {
11686 row_highlights.insert(
11687 ix,
11688 RowHighlight {
11689 range: range.clone(),
11690 index,
11691 color,
11692 should_autoscroll,
11693 },
11694 );
11695 }
11696
11697 // If any of the following highlights intersect with this one, merge them.
11698 while let Some(next_highlight) = row_highlights.get(ix + 1) {
11699 let highlight = &row_highlights[ix];
11700 if next_highlight
11701 .range
11702 .start
11703 .cmp(&highlight.range.end, &snapshot)
11704 .is_le()
11705 {
11706 if next_highlight
11707 .range
11708 .end
11709 .cmp(&highlight.range.end, &snapshot)
11710 .is_gt()
11711 {
11712 row_highlights[ix].range.end = next_highlight.range.end;
11713 }
11714 row_highlights.remove(ix + 1);
11715 } else {
11716 break;
11717 }
11718 }
11719 }
11720 }
11721
11722 /// Remove any highlighted row ranges of the given type that intersect the
11723 /// given ranges.
11724 pub fn remove_highlighted_rows<T: 'static>(
11725 &mut self,
11726 ranges_to_remove: Vec<Range<Anchor>>,
11727 cx: &mut ViewContext<Self>,
11728 ) {
11729 let snapshot = self.buffer().read(cx).snapshot(cx);
11730 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
11731 let mut ranges_to_remove = ranges_to_remove.iter().peekable();
11732 row_highlights.retain(|highlight| {
11733 while let Some(range_to_remove) = ranges_to_remove.peek() {
11734 match range_to_remove.end.cmp(&highlight.range.start, &snapshot) {
11735 Ordering::Less | Ordering::Equal => {
11736 ranges_to_remove.next();
11737 }
11738 Ordering::Greater => {
11739 match range_to_remove.start.cmp(&highlight.range.end, &snapshot) {
11740 Ordering::Less | Ordering::Equal => {
11741 return false;
11742 }
11743 Ordering::Greater => break,
11744 }
11745 }
11746 }
11747 }
11748
11749 true
11750 })
11751 }
11752
11753 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
11754 pub fn clear_row_highlights<T: 'static>(&mut self) {
11755 self.highlighted_rows.remove(&TypeId::of::<T>());
11756 }
11757
11758 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
11759 pub fn highlighted_rows<T: 'static>(&self) -> impl '_ + Iterator<Item = (Range<Anchor>, Hsla)> {
11760 self.highlighted_rows
11761 .get(&TypeId::of::<T>())
11762 .map_or(&[] as &[_], |vec| vec.as_slice())
11763 .iter()
11764 .map(|highlight| (highlight.range.clone(), highlight.color))
11765 }
11766
11767 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
11768 /// Rerturns a map of display rows that are highlighted and their corresponding highlight color.
11769 /// Allows to ignore certain kinds of highlights.
11770 pub fn highlighted_display_rows(
11771 &mut self,
11772 cx: &mut WindowContext,
11773 ) -> BTreeMap<DisplayRow, Hsla> {
11774 let snapshot = self.snapshot(cx);
11775 let mut used_highlight_orders = HashMap::default();
11776 self.highlighted_rows
11777 .iter()
11778 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
11779 .fold(
11780 BTreeMap::<DisplayRow, Hsla>::new(),
11781 |mut unique_rows, highlight| {
11782 let start = highlight.range.start.to_display_point(&snapshot);
11783 let end = highlight.range.end.to_display_point(&snapshot);
11784 let start_row = start.row().0;
11785 let end_row = if highlight.range.end.text_anchor != text::Anchor::MAX
11786 && end.column() == 0
11787 {
11788 end.row().0.saturating_sub(1)
11789 } else {
11790 end.row().0
11791 };
11792 for row in start_row..=end_row {
11793 let used_index =
11794 used_highlight_orders.entry(row).or_insert(highlight.index);
11795 if highlight.index >= *used_index {
11796 *used_index = highlight.index;
11797 unique_rows.insert(DisplayRow(row), highlight.color);
11798 }
11799 }
11800 unique_rows
11801 },
11802 )
11803 }
11804
11805 pub fn highlighted_display_row_for_autoscroll(
11806 &self,
11807 snapshot: &DisplaySnapshot,
11808 ) -> Option<DisplayRow> {
11809 self.highlighted_rows
11810 .values()
11811 .flat_map(|highlighted_rows| highlighted_rows.iter())
11812 .filter_map(|highlight| {
11813 if highlight.should_autoscroll {
11814 Some(highlight.range.start.to_display_point(snapshot).row())
11815 } else {
11816 None
11817 }
11818 })
11819 .min()
11820 }
11821
11822 pub fn set_search_within_ranges(
11823 &mut self,
11824 ranges: &[Range<Anchor>],
11825 cx: &mut ViewContext<Self>,
11826 ) {
11827 self.highlight_background::<SearchWithinRange>(
11828 ranges,
11829 |colors| colors.editor_document_highlight_read_background,
11830 cx,
11831 )
11832 }
11833
11834 pub fn set_breadcrumb_header(&mut self, new_header: String) {
11835 self.breadcrumb_header = Some(new_header);
11836 }
11837
11838 pub fn clear_search_within_ranges(&mut self, cx: &mut ViewContext<Self>) {
11839 self.clear_background_highlights::<SearchWithinRange>(cx);
11840 }
11841
11842 pub fn highlight_background<T: 'static>(
11843 &mut self,
11844 ranges: &[Range<Anchor>],
11845 color_fetcher: fn(&ThemeColors) -> Hsla,
11846 cx: &mut ViewContext<Self>,
11847 ) {
11848 self.background_highlights
11849 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
11850 self.scrollbar_marker_state.dirty = true;
11851 cx.notify();
11852 }
11853
11854 pub fn clear_background_highlights<T: 'static>(
11855 &mut self,
11856 cx: &mut ViewContext<Self>,
11857 ) -> Option<BackgroundHighlight> {
11858 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
11859 if !text_highlights.1.is_empty() {
11860 self.scrollbar_marker_state.dirty = true;
11861 cx.notify();
11862 }
11863 Some(text_highlights)
11864 }
11865
11866 pub fn highlight_gutter<T: 'static>(
11867 &mut self,
11868 ranges: &[Range<Anchor>],
11869 color_fetcher: fn(&AppContext) -> Hsla,
11870 cx: &mut ViewContext<Self>,
11871 ) {
11872 self.gutter_highlights
11873 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
11874 cx.notify();
11875 }
11876
11877 pub fn clear_gutter_highlights<T: 'static>(
11878 &mut self,
11879 cx: &mut ViewContext<Self>,
11880 ) -> Option<GutterHighlight> {
11881 cx.notify();
11882 self.gutter_highlights.remove(&TypeId::of::<T>())
11883 }
11884
11885 #[cfg(feature = "test-support")]
11886 pub fn all_text_background_highlights(
11887 &mut self,
11888 cx: &mut ViewContext<Self>,
11889 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
11890 let snapshot = self.snapshot(cx);
11891 let buffer = &snapshot.buffer_snapshot;
11892 let start = buffer.anchor_before(0);
11893 let end = buffer.anchor_after(buffer.len());
11894 let theme = cx.theme().colors();
11895 self.background_highlights_in_range(start..end, &snapshot, theme)
11896 }
11897
11898 #[cfg(feature = "test-support")]
11899 pub fn search_background_highlights(
11900 &mut self,
11901 cx: &mut ViewContext<Self>,
11902 ) -> Vec<Range<Point>> {
11903 let snapshot = self.buffer().read(cx).snapshot(cx);
11904
11905 let highlights = self
11906 .background_highlights
11907 .get(&TypeId::of::<items::BufferSearchHighlights>());
11908
11909 if let Some((_color, ranges)) = highlights {
11910 ranges
11911 .iter()
11912 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
11913 .collect_vec()
11914 } else {
11915 vec![]
11916 }
11917 }
11918
11919 fn document_highlights_for_position<'a>(
11920 &'a self,
11921 position: Anchor,
11922 buffer: &'a MultiBufferSnapshot,
11923 ) -> impl 'a + Iterator<Item = &'a Range<Anchor>> {
11924 let read_highlights = self
11925 .background_highlights
11926 .get(&TypeId::of::<DocumentHighlightRead>())
11927 .map(|h| &h.1);
11928 let write_highlights = self
11929 .background_highlights
11930 .get(&TypeId::of::<DocumentHighlightWrite>())
11931 .map(|h| &h.1);
11932 let left_position = position.bias_left(buffer);
11933 let right_position = position.bias_right(buffer);
11934 read_highlights
11935 .into_iter()
11936 .chain(write_highlights)
11937 .flat_map(move |ranges| {
11938 let start_ix = match ranges.binary_search_by(|probe| {
11939 let cmp = probe.end.cmp(&left_position, buffer);
11940 if cmp.is_ge() {
11941 Ordering::Greater
11942 } else {
11943 Ordering::Less
11944 }
11945 }) {
11946 Ok(i) | Err(i) => i,
11947 };
11948
11949 ranges[start_ix..]
11950 .iter()
11951 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
11952 })
11953 }
11954
11955 pub fn has_background_highlights<T: 'static>(&self) -> bool {
11956 self.background_highlights
11957 .get(&TypeId::of::<T>())
11958 .map_or(false, |(_, highlights)| !highlights.is_empty())
11959 }
11960
11961 pub fn background_highlights_in_range(
11962 &self,
11963 search_range: Range<Anchor>,
11964 display_snapshot: &DisplaySnapshot,
11965 theme: &ThemeColors,
11966 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
11967 let mut results = Vec::new();
11968 for (color_fetcher, ranges) in self.background_highlights.values() {
11969 let color = color_fetcher(theme);
11970 let start_ix = match ranges.binary_search_by(|probe| {
11971 let cmp = probe
11972 .end
11973 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
11974 if cmp.is_gt() {
11975 Ordering::Greater
11976 } else {
11977 Ordering::Less
11978 }
11979 }) {
11980 Ok(i) | Err(i) => i,
11981 };
11982 for range in &ranges[start_ix..] {
11983 if range
11984 .start
11985 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
11986 .is_ge()
11987 {
11988 break;
11989 }
11990
11991 let start = range.start.to_display_point(display_snapshot);
11992 let end = range.end.to_display_point(display_snapshot);
11993 results.push((start..end, color))
11994 }
11995 }
11996 results
11997 }
11998
11999 pub fn background_highlight_row_ranges<T: 'static>(
12000 &self,
12001 search_range: Range<Anchor>,
12002 display_snapshot: &DisplaySnapshot,
12003 count: usize,
12004 ) -> Vec<RangeInclusive<DisplayPoint>> {
12005 let mut results = Vec::new();
12006 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
12007 return vec![];
12008 };
12009
12010 let start_ix = match ranges.binary_search_by(|probe| {
12011 let cmp = probe
12012 .end
12013 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
12014 if cmp.is_gt() {
12015 Ordering::Greater
12016 } else {
12017 Ordering::Less
12018 }
12019 }) {
12020 Ok(i) | Err(i) => i,
12021 };
12022 let mut push_region = |start: Option<Point>, end: Option<Point>| {
12023 if let (Some(start_display), Some(end_display)) = (start, end) {
12024 results.push(
12025 start_display.to_display_point(display_snapshot)
12026 ..=end_display.to_display_point(display_snapshot),
12027 );
12028 }
12029 };
12030 let mut start_row: Option<Point> = None;
12031 let mut end_row: Option<Point> = None;
12032 if ranges.len() > count {
12033 return Vec::new();
12034 }
12035 for range in &ranges[start_ix..] {
12036 if range
12037 .start
12038 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
12039 .is_ge()
12040 {
12041 break;
12042 }
12043 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
12044 if let Some(current_row) = &end_row {
12045 if end.row == current_row.row {
12046 continue;
12047 }
12048 }
12049 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
12050 if start_row.is_none() {
12051 assert_eq!(end_row, None);
12052 start_row = Some(start);
12053 end_row = Some(end);
12054 continue;
12055 }
12056 if let Some(current_end) = end_row.as_mut() {
12057 if start.row > current_end.row + 1 {
12058 push_region(start_row, end_row);
12059 start_row = Some(start);
12060 end_row = Some(end);
12061 } else {
12062 // Merge two hunks.
12063 *current_end = end;
12064 }
12065 } else {
12066 unreachable!();
12067 }
12068 }
12069 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
12070 push_region(start_row, end_row);
12071 results
12072 }
12073
12074 pub fn gutter_highlights_in_range(
12075 &self,
12076 search_range: Range<Anchor>,
12077 display_snapshot: &DisplaySnapshot,
12078 cx: &AppContext,
12079 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
12080 let mut results = Vec::new();
12081 for (color_fetcher, ranges) in self.gutter_highlights.values() {
12082 let color = color_fetcher(cx);
12083 let start_ix = match ranges.binary_search_by(|probe| {
12084 let cmp = probe
12085 .end
12086 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
12087 if cmp.is_gt() {
12088 Ordering::Greater
12089 } else {
12090 Ordering::Less
12091 }
12092 }) {
12093 Ok(i) | Err(i) => i,
12094 };
12095 for range in &ranges[start_ix..] {
12096 if range
12097 .start
12098 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
12099 .is_ge()
12100 {
12101 break;
12102 }
12103
12104 let start = range.start.to_display_point(display_snapshot);
12105 let end = range.end.to_display_point(display_snapshot);
12106 results.push((start..end, color))
12107 }
12108 }
12109 results
12110 }
12111
12112 /// Get the text ranges corresponding to the redaction query
12113 pub fn redacted_ranges(
12114 &self,
12115 search_range: Range<Anchor>,
12116 display_snapshot: &DisplaySnapshot,
12117 cx: &WindowContext,
12118 ) -> Vec<Range<DisplayPoint>> {
12119 display_snapshot
12120 .buffer_snapshot
12121 .redacted_ranges(search_range, |file| {
12122 if let Some(file) = file {
12123 file.is_private()
12124 && EditorSettings::get(
12125 Some(SettingsLocation {
12126 worktree_id: file.worktree_id(cx),
12127 path: file.path().as_ref(),
12128 }),
12129 cx,
12130 )
12131 .redact_private_values
12132 } else {
12133 false
12134 }
12135 })
12136 .map(|range| {
12137 range.start.to_display_point(display_snapshot)
12138 ..range.end.to_display_point(display_snapshot)
12139 })
12140 .collect()
12141 }
12142
12143 pub fn highlight_text<T: 'static>(
12144 &mut self,
12145 ranges: Vec<Range<Anchor>>,
12146 style: HighlightStyle,
12147 cx: &mut ViewContext<Self>,
12148 ) {
12149 self.display_map.update(cx, |map, _| {
12150 map.highlight_text(TypeId::of::<T>(), ranges, style)
12151 });
12152 cx.notify();
12153 }
12154
12155 pub(crate) fn highlight_inlays<T: 'static>(
12156 &mut self,
12157 highlights: Vec<InlayHighlight>,
12158 style: HighlightStyle,
12159 cx: &mut ViewContext<Self>,
12160 ) {
12161 self.display_map.update(cx, |map, _| {
12162 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
12163 });
12164 cx.notify();
12165 }
12166
12167 pub fn text_highlights<'a, T: 'static>(
12168 &'a self,
12169 cx: &'a AppContext,
12170 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
12171 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
12172 }
12173
12174 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut ViewContext<Self>) {
12175 let cleared = self
12176 .display_map
12177 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
12178 if cleared {
12179 cx.notify();
12180 }
12181 }
12182
12183 pub fn show_local_cursors(&self, cx: &WindowContext) -> bool {
12184 (self.read_only(cx) || self.blink_manager.read(cx).visible())
12185 && self.focus_handle.is_focused(cx)
12186 }
12187
12188 pub fn set_show_cursor_when_unfocused(&mut self, is_enabled: bool, cx: &mut ViewContext<Self>) {
12189 self.show_cursor_when_unfocused = is_enabled;
12190 cx.notify();
12191 }
12192
12193 pub fn lsp_store(&self, cx: &AppContext) -> Option<Model<LspStore>> {
12194 self.project
12195 .as_ref()
12196 .map(|project| project.read(cx).lsp_store())
12197 }
12198
12199 fn on_buffer_changed(&mut self, _: Model<MultiBuffer>, cx: &mut ViewContext<Self>) {
12200 cx.notify();
12201 }
12202
12203 fn on_buffer_event(
12204 &mut self,
12205 multibuffer: Model<MultiBuffer>,
12206 event: &multi_buffer::Event,
12207 cx: &mut ViewContext<Self>,
12208 ) {
12209 match event {
12210 multi_buffer::Event::Edited {
12211 singleton_buffer_edited,
12212 edited_buffer: buffer_edited,
12213 } => {
12214 self.scrollbar_marker_state.dirty = true;
12215 self.active_indent_guides_state.dirty = true;
12216 self.refresh_active_diagnostics(cx);
12217 self.refresh_code_actions(cx);
12218 if self.has_active_inline_completion() {
12219 self.update_visible_inline_completion(cx);
12220 }
12221 if let Some(buffer) = buffer_edited {
12222 let buffer_id = buffer.read(cx).remote_id();
12223 if !self.registered_buffers.contains_key(&buffer_id) {
12224 if let Some(lsp_store) = self.lsp_store(cx) {
12225 lsp_store.update(cx, |lsp_store, cx| {
12226 self.registered_buffers.insert(
12227 buffer_id,
12228 lsp_store.register_buffer_with_language_servers(&buffer, cx),
12229 );
12230 })
12231 }
12232 }
12233 }
12234 cx.emit(EditorEvent::BufferEdited);
12235 cx.emit(SearchEvent::MatchesInvalidated);
12236 if *singleton_buffer_edited {
12237 if let Some(project) = &self.project {
12238 let project = project.read(cx);
12239 #[allow(clippy::mutable_key_type)]
12240 let languages_affected = multibuffer
12241 .read(cx)
12242 .all_buffers()
12243 .into_iter()
12244 .filter_map(|buffer| {
12245 let buffer = buffer.read(cx);
12246 let language = buffer.language()?;
12247 if project.is_local()
12248 && project
12249 .language_servers_for_local_buffer(buffer, cx)
12250 .count()
12251 == 0
12252 {
12253 None
12254 } else {
12255 Some(language)
12256 }
12257 })
12258 .cloned()
12259 .collect::<HashSet<_>>();
12260 if !languages_affected.is_empty() {
12261 self.refresh_inlay_hints(
12262 InlayHintRefreshReason::BufferEdited(languages_affected),
12263 cx,
12264 );
12265 }
12266 }
12267 }
12268
12269 let Some(project) = &self.project else { return };
12270 let (telemetry, is_via_ssh) = {
12271 let project = project.read(cx);
12272 let telemetry = project.client().telemetry().clone();
12273 let is_via_ssh = project.is_via_ssh();
12274 (telemetry, is_via_ssh)
12275 };
12276 refresh_linked_ranges(self, cx);
12277 telemetry.log_edit_event("editor", is_via_ssh);
12278 }
12279 multi_buffer::Event::ExcerptsAdded {
12280 buffer,
12281 predecessor,
12282 excerpts,
12283 } => {
12284 self.tasks_update_task = Some(self.refresh_runnables(cx));
12285 let buffer_id = buffer.read(cx).remote_id();
12286 if !self.diff_map.diff_bases.contains_key(&buffer_id) {
12287 if let Some(project) = &self.project {
12288 get_unstaged_changes_for_buffers(project, [buffer.clone()], cx);
12289 }
12290 }
12291 cx.emit(EditorEvent::ExcerptsAdded {
12292 buffer: buffer.clone(),
12293 predecessor: *predecessor,
12294 excerpts: excerpts.clone(),
12295 });
12296 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
12297 }
12298 multi_buffer::Event::ExcerptsRemoved { ids } => {
12299 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
12300 let buffer = self.buffer.read(cx);
12301 self.registered_buffers
12302 .retain(|buffer_id, _| buffer.buffer(*buffer_id).is_some());
12303 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
12304 }
12305 multi_buffer::Event::ExcerptsEdited { ids } => {
12306 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
12307 }
12308 multi_buffer::Event::ExcerptsExpanded { ids } => {
12309 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
12310 }
12311 multi_buffer::Event::Reparsed(buffer_id) => {
12312 self.tasks_update_task = Some(self.refresh_runnables(cx));
12313
12314 cx.emit(EditorEvent::Reparsed(*buffer_id));
12315 }
12316 multi_buffer::Event::LanguageChanged(buffer_id) => {
12317 linked_editing_ranges::refresh_linked_ranges(self, cx);
12318 cx.emit(EditorEvent::Reparsed(*buffer_id));
12319 cx.notify();
12320 }
12321 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
12322 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
12323 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
12324 cx.emit(EditorEvent::TitleChanged)
12325 }
12326 // multi_buffer::Event::DiffBaseChanged => {
12327 // self.scrollbar_marker_state.dirty = true;
12328 // cx.emit(EditorEvent::DiffBaseChanged);
12329 // cx.notify();
12330 // }
12331 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
12332 multi_buffer::Event::DiagnosticsUpdated => {
12333 self.refresh_active_diagnostics(cx);
12334 self.scrollbar_marker_state.dirty = true;
12335 cx.notify();
12336 }
12337 _ => {}
12338 };
12339 }
12340
12341 fn on_display_map_changed(&mut self, _: Model<DisplayMap>, cx: &mut ViewContext<Self>) {
12342 cx.notify();
12343 }
12344
12345 fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
12346 self.tasks_update_task = Some(self.refresh_runnables(cx));
12347 self.refresh_inline_completion(true, false, cx);
12348 self.refresh_inlay_hints(
12349 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
12350 self.selections.newest_anchor().head(),
12351 &self.buffer.read(cx).snapshot(cx),
12352 cx,
12353 )),
12354 cx,
12355 );
12356
12357 let old_cursor_shape = self.cursor_shape;
12358
12359 {
12360 let editor_settings = EditorSettings::get_global(cx);
12361 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
12362 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
12363 self.cursor_shape = editor_settings.cursor_shape.unwrap_or_default();
12364 }
12365
12366 if old_cursor_shape != self.cursor_shape {
12367 cx.emit(EditorEvent::CursorShapeChanged);
12368 }
12369
12370 let project_settings = ProjectSettings::get_global(cx);
12371 self.serialize_dirty_buffers = project_settings.session.restore_unsaved_buffers;
12372
12373 if self.mode == EditorMode::Full {
12374 let inline_blame_enabled = project_settings.git.inline_blame_enabled();
12375 if self.git_blame_inline_enabled != inline_blame_enabled {
12376 self.toggle_git_blame_inline_internal(false, cx);
12377 }
12378 }
12379
12380 cx.notify();
12381 }
12382
12383 pub fn set_searchable(&mut self, searchable: bool) {
12384 self.searchable = searchable;
12385 }
12386
12387 pub fn searchable(&self) -> bool {
12388 self.searchable
12389 }
12390
12391 fn open_proposed_changes_editor(
12392 &mut self,
12393 _: &OpenProposedChangesEditor,
12394 cx: &mut ViewContext<Self>,
12395 ) {
12396 let Some(workspace) = self.workspace() else {
12397 cx.propagate();
12398 return;
12399 };
12400
12401 let selections = self.selections.all::<usize>(cx);
12402 let buffer = self.buffer.read(cx);
12403 let mut new_selections_by_buffer = HashMap::default();
12404 for selection in selections {
12405 for (buffer, range, _) in
12406 buffer.range_to_buffer_ranges(selection.start..selection.end, cx)
12407 {
12408 let mut range = range.to_point(buffer.read(cx));
12409 range.start.column = 0;
12410 range.end.column = buffer.read(cx).line_len(range.end.row);
12411 new_selections_by_buffer
12412 .entry(buffer)
12413 .or_insert(Vec::new())
12414 .push(range)
12415 }
12416 }
12417
12418 let proposed_changes_buffers = new_selections_by_buffer
12419 .into_iter()
12420 .map(|(buffer, ranges)| ProposedChangeLocation { buffer, ranges })
12421 .collect::<Vec<_>>();
12422 let proposed_changes_editor = cx.new_view(|cx| {
12423 ProposedChangesEditor::new(
12424 "Proposed changes",
12425 proposed_changes_buffers,
12426 self.project.clone(),
12427 cx,
12428 )
12429 });
12430
12431 cx.window_context().defer(move |cx| {
12432 workspace.update(cx, |workspace, cx| {
12433 workspace.active_pane().update(cx, |pane, cx| {
12434 pane.add_item(Box::new(proposed_changes_editor), true, true, None, cx);
12435 });
12436 });
12437 });
12438 }
12439
12440 pub fn open_excerpts_in_split(&mut self, _: &OpenExcerptsSplit, cx: &mut ViewContext<Self>) {
12441 self.open_excerpts_common(None, true, cx)
12442 }
12443
12444 pub fn open_excerpts(&mut self, _: &OpenExcerpts, cx: &mut ViewContext<Self>) {
12445 self.open_excerpts_common(None, false, cx)
12446 }
12447
12448 fn open_excerpts_common(
12449 &mut self,
12450 jump_data: Option<JumpData>,
12451 split: bool,
12452 cx: &mut ViewContext<Self>,
12453 ) {
12454 let Some(workspace) = self.workspace() else {
12455 cx.propagate();
12456 return;
12457 };
12458
12459 if self.buffer.read(cx).is_singleton() {
12460 cx.propagate();
12461 return;
12462 }
12463
12464 let mut new_selections_by_buffer = HashMap::default();
12465 match &jump_data {
12466 Some(JumpData::MultiBufferPoint {
12467 excerpt_id,
12468 position,
12469 anchor,
12470 line_offset_from_top,
12471 }) => {
12472 let multi_buffer_snapshot = self.buffer.read(cx).snapshot(cx);
12473 if let Some(buffer) = multi_buffer_snapshot
12474 .buffer_id_for_excerpt(*excerpt_id)
12475 .and_then(|buffer_id| self.buffer.read(cx).buffer(buffer_id))
12476 {
12477 let buffer_snapshot = buffer.read(cx).snapshot();
12478 let jump_to_point = if buffer_snapshot.can_resolve(anchor) {
12479 language::ToPoint::to_point(anchor, &buffer_snapshot)
12480 } else {
12481 buffer_snapshot.clip_point(*position, Bias::Left)
12482 };
12483 let jump_to_offset = buffer_snapshot.point_to_offset(jump_to_point);
12484 new_selections_by_buffer.insert(
12485 buffer,
12486 (
12487 vec![jump_to_offset..jump_to_offset],
12488 Some(*line_offset_from_top),
12489 ),
12490 );
12491 }
12492 }
12493 Some(JumpData::MultiBufferRow {
12494 row,
12495 line_offset_from_top,
12496 }) => {
12497 let point = MultiBufferPoint::new(row.0, 0);
12498 if let Some((buffer, buffer_point, _)) =
12499 self.buffer.read(cx).point_to_buffer_point(point, cx)
12500 {
12501 let buffer_offset = buffer.read(cx).point_to_offset(buffer_point);
12502 new_selections_by_buffer
12503 .entry(buffer)
12504 .or_insert((Vec::new(), Some(*line_offset_from_top)))
12505 .0
12506 .push(buffer_offset..buffer_offset)
12507 }
12508 }
12509 None => {
12510 let selections = self.selections.all::<usize>(cx);
12511 let buffer = self.buffer.read(cx);
12512 for selection in selections {
12513 for (mut buffer_handle, mut range, _) in
12514 buffer.range_to_buffer_ranges(selection.range(), cx)
12515 {
12516 // When editing branch buffers, jump to the corresponding location
12517 // in their base buffer.
12518 let buffer = buffer_handle.read(cx);
12519 if let Some(base_buffer) = buffer.base_buffer() {
12520 range = buffer.range_to_version(range, &base_buffer.read(cx).version());
12521 buffer_handle = base_buffer;
12522 }
12523
12524 if selection.reversed {
12525 mem::swap(&mut range.start, &mut range.end);
12526 }
12527 new_selections_by_buffer
12528 .entry(buffer_handle)
12529 .or_insert((Vec::new(), None))
12530 .0
12531 .push(range)
12532 }
12533 }
12534 }
12535 }
12536
12537 if new_selections_by_buffer.is_empty() {
12538 return;
12539 }
12540
12541 // We defer the pane interaction because we ourselves are a workspace item
12542 // and activating a new item causes the pane to call a method on us reentrantly,
12543 // which panics if we're on the stack.
12544 cx.window_context().defer(move |cx| {
12545 workspace.update(cx, |workspace, cx| {
12546 let pane = if split {
12547 workspace.adjacent_pane(cx)
12548 } else {
12549 workspace.active_pane().clone()
12550 };
12551
12552 for (buffer, (ranges, scroll_offset)) in new_selections_by_buffer {
12553 let editor = buffer
12554 .read(cx)
12555 .file()
12556 .is_none()
12557 .then(|| {
12558 // Handle file-less buffers separately: those are not really the project items, so won't have a paroject path or entity id,
12559 // so `workspace.open_project_item` will never find them, always opening a new editor.
12560 // Instead, we try to activate the existing editor in the pane first.
12561 let (editor, pane_item_index) =
12562 pane.read(cx).items().enumerate().find_map(|(i, item)| {
12563 let editor = item.downcast::<Editor>()?;
12564 let singleton_buffer =
12565 editor.read(cx).buffer().read(cx).as_singleton()?;
12566 if singleton_buffer == buffer {
12567 Some((editor, i))
12568 } else {
12569 None
12570 }
12571 })?;
12572 pane.update(cx, |pane, cx| {
12573 pane.activate_item(pane_item_index, true, true, cx)
12574 });
12575 Some(editor)
12576 })
12577 .flatten()
12578 .unwrap_or_else(|| {
12579 workspace.open_project_item::<Self>(
12580 pane.clone(),
12581 buffer,
12582 true,
12583 true,
12584 cx,
12585 )
12586 });
12587
12588 editor.update(cx, |editor, cx| {
12589 let autoscroll = match scroll_offset {
12590 Some(scroll_offset) => Autoscroll::top_relative(scroll_offset as usize),
12591 None => Autoscroll::newest(),
12592 };
12593 let nav_history = editor.nav_history.take();
12594 editor.change_selections(Some(autoscroll), cx, |s| {
12595 s.select_ranges(ranges);
12596 });
12597 editor.nav_history = nav_history;
12598 });
12599 }
12600 })
12601 });
12602 }
12603
12604 fn marked_text_ranges(&self, cx: &AppContext) -> Option<Vec<Range<OffsetUtf16>>> {
12605 let snapshot = self.buffer.read(cx).read(cx);
12606 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
12607 Some(
12608 ranges
12609 .iter()
12610 .map(move |range| {
12611 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
12612 })
12613 .collect(),
12614 )
12615 }
12616
12617 fn selection_replacement_ranges(
12618 &self,
12619 range: Range<OffsetUtf16>,
12620 cx: &mut AppContext,
12621 ) -> Vec<Range<OffsetUtf16>> {
12622 let selections = self.selections.all::<OffsetUtf16>(cx);
12623 let newest_selection = selections
12624 .iter()
12625 .max_by_key(|selection| selection.id)
12626 .unwrap();
12627 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
12628 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
12629 let snapshot = self.buffer.read(cx).read(cx);
12630 selections
12631 .into_iter()
12632 .map(|mut selection| {
12633 selection.start.0 =
12634 (selection.start.0 as isize).saturating_add(start_delta) as usize;
12635 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
12636 snapshot.clip_offset_utf16(selection.start, Bias::Left)
12637 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
12638 })
12639 .collect()
12640 }
12641
12642 fn report_editor_event(
12643 &self,
12644 event_type: &'static str,
12645 file_extension: Option<String>,
12646 cx: &AppContext,
12647 ) {
12648 if cfg!(any(test, feature = "test-support")) {
12649 return;
12650 }
12651
12652 let Some(project) = &self.project else { return };
12653
12654 // If None, we are in a file without an extension
12655 let file = self
12656 .buffer
12657 .read(cx)
12658 .as_singleton()
12659 .and_then(|b| b.read(cx).file());
12660 let file_extension = file_extension.or(file
12661 .as_ref()
12662 .and_then(|file| Path::new(file.file_name(cx)).extension())
12663 .and_then(|e| e.to_str())
12664 .map(|a| a.to_string()));
12665
12666 let vim_mode = cx
12667 .global::<SettingsStore>()
12668 .raw_user_settings()
12669 .get("vim_mode")
12670 == Some(&serde_json::Value::Bool(true));
12671
12672 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
12673 == language::language_settings::InlineCompletionProvider::Copilot;
12674 let copilot_enabled_for_language = self
12675 .buffer
12676 .read(cx)
12677 .settings_at(0, cx)
12678 .show_inline_completions;
12679
12680 let project = project.read(cx);
12681 telemetry::event!(
12682 event_type,
12683 file_extension,
12684 vim_mode,
12685 copilot_enabled,
12686 copilot_enabled_for_language,
12687 is_via_ssh = project.is_via_ssh(),
12688 );
12689 }
12690
12691 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
12692 /// with each line being an array of {text, highlight} objects.
12693 fn copy_highlight_json(&mut self, _: &CopyHighlightJson, cx: &mut ViewContext<Self>) {
12694 let Some(buffer) = self.buffer.read(cx).as_singleton() else {
12695 return;
12696 };
12697
12698 #[derive(Serialize)]
12699 struct Chunk<'a> {
12700 text: String,
12701 highlight: Option<&'a str>,
12702 }
12703
12704 let snapshot = buffer.read(cx).snapshot();
12705 let range = self
12706 .selected_text_range(false, cx)
12707 .and_then(|selection| {
12708 if selection.range.is_empty() {
12709 None
12710 } else {
12711 Some(selection.range)
12712 }
12713 })
12714 .unwrap_or_else(|| 0..snapshot.len());
12715
12716 let chunks = snapshot.chunks(range, true);
12717 let mut lines = Vec::new();
12718 let mut line: VecDeque<Chunk> = VecDeque::new();
12719
12720 let Some(style) = self.style.as_ref() else {
12721 return;
12722 };
12723
12724 for chunk in chunks {
12725 let highlight = chunk
12726 .syntax_highlight_id
12727 .and_then(|id| id.name(&style.syntax));
12728 let mut chunk_lines = chunk.text.split('\n').peekable();
12729 while let Some(text) = chunk_lines.next() {
12730 let mut merged_with_last_token = false;
12731 if let Some(last_token) = line.back_mut() {
12732 if last_token.highlight == highlight {
12733 last_token.text.push_str(text);
12734 merged_with_last_token = true;
12735 }
12736 }
12737
12738 if !merged_with_last_token {
12739 line.push_back(Chunk {
12740 text: text.into(),
12741 highlight,
12742 });
12743 }
12744
12745 if chunk_lines.peek().is_some() {
12746 if line.len() > 1 && line.front().unwrap().text.is_empty() {
12747 line.pop_front();
12748 }
12749 if line.len() > 1 && line.back().unwrap().text.is_empty() {
12750 line.pop_back();
12751 }
12752
12753 lines.push(mem::take(&mut line));
12754 }
12755 }
12756 }
12757
12758 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
12759 return;
12760 };
12761 cx.write_to_clipboard(ClipboardItem::new_string(lines));
12762 }
12763
12764 pub fn open_context_menu(&mut self, _: &OpenContextMenu, cx: &mut ViewContext<Self>) {
12765 self.request_autoscroll(Autoscroll::newest(), cx);
12766 let position = self.selections.newest_display(cx).start;
12767 mouse_context_menu::deploy_context_menu(self, None, position, cx);
12768 }
12769
12770 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
12771 &self.inlay_hint_cache
12772 }
12773
12774 pub fn replay_insert_event(
12775 &mut self,
12776 text: &str,
12777 relative_utf16_range: Option<Range<isize>>,
12778 cx: &mut ViewContext<Self>,
12779 ) {
12780 if !self.input_enabled {
12781 cx.emit(EditorEvent::InputIgnored { text: text.into() });
12782 return;
12783 }
12784 if let Some(relative_utf16_range) = relative_utf16_range {
12785 let selections = self.selections.all::<OffsetUtf16>(cx);
12786 self.change_selections(None, cx, |s| {
12787 let new_ranges = selections.into_iter().map(|range| {
12788 let start = OffsetUtf16(
12789 range
12790 .head()
12791 .0
12792 .saturating_add_signed(relative_utf16_range.start),
12793 );
12794 let end = OffsetUtf16(
12795 range
12796 .head()
12797 .0
12798 .saturating_add_signed(relative_utf16_range.end),
12799 );
12800 start..end
12801 });
12802 s.select_ranges(new_ranges);
12803 });
12804 }
12805
12806 self.handle_input(text, cx);
12807 }
12808
12809 pub fn supports_inlay_hints(&self, cx: &AppContext) -> bool {
12810 let Some(provider) = self.semantics_provider.as_ref() else {
12811 return false;
12812 };
12813
12814 let mut supports = false;
12815 self.buffer().read(cx).for_each_buffer(|buffer| {
12816 supports |= provider.supports_inlay_hints(buffer, cx);
12817 });
12818 supports
12819 }
12820
12821 pub fn focus(&self, cx: &mut WindowContext) {
12822 cx.focus(&self.focus_handle)
12823 }
12824
12825 pub fn is_focused(&self, cx: &WindowContext) -> bool {
12826 self.focus_handle.is_focused(cx)
12827 }
12828
12829 fn handle_focus(&mut self, cx: &mut ViewContext<Self>) {
12830 cx.emit(EditorEvent::Focused);
12831
12832 if let Some(descendant) = self
12833 .last_focused_descendant
12834 .take()
12835 .and_then(|descendant| descendant.upgrade())
12836 {
12837 cx.focus(&descendant);
12838 } else {
12839 if let Some(blame) = self.blame.as_ref() {
12840 blame.update(cx, GitBlame::focus)
12841 }
12842
12843 self.blink_manager.update(cx, BlinkManager::enable);
12844 self.show_cursor_names(cx);
12845 self.buffer.update(cx, |buffer, cx| {
12846 buffer.finalize_last_transaction(cx);
12847 if self.leader_peer_id.is_none() {
12848 buffer.set_active_selections(
12849 &self.selections.disjoint_anchors(),
12850 self.selections.line_mode,
12851 self.cursor_shape,
12852 cx,
12853 );
12854 }
12855 });
12856 }
12857 }
12858
12859 fn handle_focus_in(&mut self, cx: &mut ViewContext<Self>) {
12860 cx.emit(EditorEvent::FocusedIn)
12861 }
12862
12863 fn handle_focus_out(&mut self, event: FocusOutEvent, _cx: &mut ViewContext<Self>) {
12864 if event.blurred != self.focus_handle {
12865 self.last_focused_descendant = Some(event.blurred);
12866 }
12867 }
12868
12869 pub fn handle_blur(&mut self, cx: &mut ViewContext<Self>) {
12870 self.blink_manager.update(cx, BlinkManager::disable);
12871 self.buffer
12872 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
12873
12874 if let Some(blame) = self.blame.as_ref() {
12875 blame.update(cx, GitBlame::blur)
12876 }
12877 if !self.hover_state.focused(cx) {
12878 hide_hover(self, cx);
12879 }
12880
12881 self.hide_context_menu(cx);
12882 cx.emit(EditorEvent::Blurred);
12883 cx.notify();
12884 }
12885
12886 pub fn register_action<A: Action>(
12887 &mut self,
12888 listener: impl Fn(&A, &mut WindowContext) + 'static,
12889 ) -> Subscription {
12890 let id = self.next_editor_action_id.post_inc();
12891 let listener = Arc::new(listener);
12892 self.editor_actions.borrow_mut().insert(
12893 id,
12894 Box::new(move |cx| {
12895 let cx = cx.window_context();
12896 let listener = listener.clone();
12897 cx.on_action(TypeId::of::<A>(), move |action, phase, cx| {
12898 let action = action.downcast_ref().unwrap();
12899 if phase == DispatchPhase::Bubble {
12900 listener(action, cx)
12901 }
12902 })
12903 }),
12904 );
12905
12906 let editor_actions = self.editor_actions.clone();
12907 Subscription::new(move || {
12908 editor_actions.borrow_mut().remove(&id);
12909 })
12910 }
12911
12912 pub fn file_header_size(&self) -> u32 {
12913 FILE_HEADER_HEIGHT
12914 }
12915
12916 pub fn revert(
12917 &mut self,
12918 revert_changes: HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
12919 cx: &mut ViewContext<Self>,
12920 ) {
12921 self.buffer().update(cx, |multi_buffer, cx| {
12922 for (buffer_id, changes) in revert_changes {
12923 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
12924 buffer.update(cx, |buffer, cx| {
12925 buffer.edit(
12926 changes.into_iter().map(|(range, text)| {
12927 (range, text.to_string().map(Arc::<str>::from))
12928 }),
12929 None,
12930 cx,
12931 );
12932 });
12933 }
12934 }
12935 });
12936 self.change_selections(None, cx, |selections| selections.refresh());
12937 }
12938
12939 pub fn to_pixel_point(
12940 &mut self,
12941 source: multi_buffer::Anchor,
12942 editor_snapshot: &EditorSnapshot,
12943 cx: &mut ViewContext<Self>,
12944 ) -> Option<gpui::Point<Pixels>> {
12945 let source_point = source.to_display_point(editor_snapshot);
12946 self.display_to_pixel_point(source_point, editor_snapshot, cx)
12947 }
12948
12949 pub fn display_to_pixel_point(
12950 &self,
12951 source: DisplayPoint,
12952 editor_snapshot: &EditorSnapshot,
12953 cx: &WindowContext,
12954 ) -> Option<gpui::Point<Pixels>> {
12955 let line_height = self.style()?.text.line_height_in_pixels(cx.rem_size());
12956 let text_layout_details = self.text_layout_details(cx);
12957 let scroll_top = text_layout_details
12958 .scroll_anchor
12959 .scroll_position(editor_snapshot)
12960 .y;
12961
12962 if source.row().as_f32() < scroll_top.floor() {
12963 return None;
12964 }
12965 let source_x = editor_snapshot.x_for_display_point(source, &text_layout_details);
12966 let source_y = line_height * (source.row().as_f32() - scroll_top);
12967 Some(gpui::Point::new(source_x, source_y))
12968 }
12969
12970 pub fn has_active_completions_menu(&self) -> bool {
12971 self.context_menu.borrow().as_ref().map_or(false, |menu| {
12972 menu.visible() && matches!(menu, CodeContextMenu::Completions(_))
12973 })
12974 }
12975
12976 pub fn register_addon<T: Addon>(&mut self, instance: T) {
12977 self.addons
12978 .insert(std::any::TypeId::of::<T>(), Box::new(instance));
12979 }
12980
12981 pub fn unregister_addon<T: Addon>(&mut self) {
12982 self.addons.remove(&std::any::TypeId::of::<T>());
12983 }
12984
12985 pub fn addon<T: Addon>(&self) -> Option<&T> {
12986 let type_id = std::any::TypeId::of::<T>();
12987 self.addons
12988 .get(&type_id)
12989 .and_then(|item| item.to_any().downcast_ref::<T>())
12990 }
12991
12992 pub fn add_change_set(
12993 &mut self,
12994 change_set: Model<BufferChangeSet>,
12995 cx: &mut ViewContext<Self>,
12996 ) {
12997 self.diff_map.add_change_set(change_set, cx);
12998 }
12999
13000 fn character_size(&self, cx: &mut ViewContext<Self>) -> gpui::Point<Pixels> {
13001 let text_layout_details = self.text_layout_details(cx);
13002 let style = &text_layout_details.editor_style;
13003 let font_id = cx.text_system().resolve_font(&style.text.font());
13004 let font_size = style.text.font_size.to_pixels(cx.rem_size());
13005 let line_height = style.text.line_height_in_pixels(cx.rem_size());
13006
13007 let em_width = cx
13008 .text_system()
13009 .typographic_bounds(font_id, font_size, 'm')
13010 .unwrap()
13011 .size
13012 .width;
13013
13014 gpui::Point::new(em_width, line_height)
13015 }
13016}
13017
13018fn get_unstaged_changes_for_buffers(
13019 project: &Model<Project>,
13020 buffers: impl IntoIterator<Item = Model<Buffer>>,
13021 cx: &mut ViewContext<Editor>,
13022) {
13023 let mut tasks = Vec::new();
13024 project.update(cx, |project, cx| {
13025 for buffer in buffers {
13026 tasks.push(project.open_unstaged_changes(buffer.clone(), cx))
13027 }
13028 });
13029 cx.spawn(|this, mut cx| async move {
13030 let change_sets = futures::future::join_all(tasks).await;
13031 this.update(&mut cx, |this, cx| {
13032 for change_set in change_sets {
13033 if let Some(change_set) = change_set.log_err() {
13034 this.diff_map.add_change_set(change_set, cx);
13035 }
13036 }
13037 })
13038 .ok();
13039 })
13040 .detach();
13041}
13042
13043fn char_len_with_expanded_tabs(offset: usize, text: &str, tab_size: NonZeroU32) -> usize {
13044 let tab_size = tab_size.get() as usize;
13045 let mut width = offset;
13046
13047 for ch in text.chars() {
13048 width += if ch == '\t' {
13049 tab_size - (width % tab_size)
13050 } else {
13051 1
13052 };
13053 }
13054
13055 width - offset
13056}
13057
13058#[cfg(test)]
13059mod tests {
13060 use super::*;
13061
13062 #[test]
13063 fn test_string_size_with_expanded_tabs() {
13064 let nz = |val| NonZeroU32::new(val).unwrap();
13065 assert_eq!(char_len_with_expanded_tabs(0, "", nz(4)), 0);
13066 assert_eq!(char_len_with_expanded_tabs(0, "hello", nz(4)), 5);
13067 assert_eq!(char_len_with_expanded_tabs(0, "\thello", nz(4)), 9);
13068 assert_eq!(char_len_with_expanded_tabs(0, "abc\tab", nz(4)), 6);
13069 assert_eq!(char_len_with_expanded_tabs(0, "hello\t", nz(4)), 8);
13070 assert_eq!(char_len_with_expanded_tabs(0, "\t\t", nz(8)), 16);
13071 assert_eq!(char_len_with_expanded_tabs(0, "x\t", nz(8)), 8);
13072 assert_eq!(char_len_with_expanded_tabs(7, "x\t", nz(8)), 9);
13073 }
13074}
13075
13076/// Tokenizes a string into runs of text that should stick together, or that is whitespace.
13077struct WordBreakingTokenizer<'a> {
13078 input: &'a str,
13079}
13080
13081impl<'a> WordBreakingTokenizer<'a> {
13082 fn new(input: &'a str) -> Self {
13083 Self { input }
13084 }
13085}
13086
13087fn is_char_ideographic(ch: char) -> bool {
13088 use unicode_script::Script::*;
13089 use unicode_script::UnicodeScript;
13090 matches!(ch.script(), Han | Tangut | Yi)
13091}
13092
13093fn is_grapheme_ideographic(text: &str) -> bool {
13094 text.chars().any(is_char_ideographic)
13095}
13096
13097fn is_grapheme_whitespace(text: &str) -> bool {
13098 text.chars().any(|x| x.is_whitespace())
13099}
13100
13101fn should_stay_with_preceding_ideograph(text: &str) -> bool {
13102 text.chars().next().map_or(false, |ch| {
13103 matches!(ch, '。' | '、' | '，' | '？' | '！' | '：' | '；' | '…')
13104 })
13105}
13106
13107#[derive(PartialEq, Eq, Debug, Clone, Copy)]
13108struct WordBreakToken<'a> {
13109 token: &'a str,
13110 grapheme_len: usize,
13111 is_whitespace: bool,
13112}
13113
13114impl<'a> Iterator for WordBreakingTokenizer<'a> {
13115 /// Yields a span, the count of graphemes in the token, and whether it was
13116 /// whitespace. Note that it also breaks at word boundaries.
13117 type Item = WordBreakToken<'a>;
13118
13119 fn next(&mut self) -> Option<Self::Item> {
13120 use unicode_segmentation::UnicodeSegmentation;
13121 if self.input.is_empty() {
13122 return None;
13123 }
13124
13125 let mut iter = self.input.graphemes(true).peekable();
13126 let mut offset = 0;
13127 let mut graphemes = 0;
13128 if let Some(first_grapheme) = iter.next() {
13129 let is_whitespace = is_grapheme_whitespace(first_grapheme);
13130 offset += first_grapheme.len();
13131 graphemes += 1;
13132 if is_grapheme_ideographic(first_grapheme) && !is_whitespace {
13133 if let Some(grapheme) = iter.peek().copied() {
13134 if should_stay_with_preceding_ideograph(grapheme) {
13135 offset += grapheme.len();
13136 graphemes += 1;
13137 }
13138 }
13139 } else {
13140 let mut words = self.input[offset..].split_word_bound_indices().peekable();
13141 let mut next_word_bound = words.peek().copied();
13142 if next_word_bound.map_or(false, |(i, _)| i == 0) {
13143 next_word_bound = words.next();
13144 }
13145 while let Some(grapheme) = iter.peek().copied() {
13146 if next_word_bound.map_or(false, |(i, _)| i == offset) {
13147 break;
13148 };
13149 if is_grapheme_whitespace(grapheme) != is_whitespace {
13150 break;
13151 };
13152 offset += grapheme.len();
13153 graphemes += 1;
13154 iter.next();
13155 }
13156 }
13157 let token = &self.input[..offset];
13158 self.input = &self.input[offset..];
13159 if is_whitespace {
13160 Some(WordBreakToken {
13161 token: " ",
13162 grapheme_len: 1,
13163 is_whitespace: true,
13164 })
13165 } else {
13166 Some(WordBreakToken {
13167 token,
13168 grapheme_len: graphemes,
13169 is_whitespace: false,
13170 })
13171 }
13172 } else {
13173 None
13174 }
13175 }
13176}
13177
13178#[test]
13179fn test_word_breaking_tokenizer() {
13180 let tests: &[(&str, &[(&str, usize, bool)])] = &[
13181 ("", &[]),
13182 (" ", &[(" ", 1, true)]),
13183 ("Ʒ", &[("Ʒ", 1, false)]),
13184 ("Ǽ", &[("Ǽ", 1, false)]),
13185 ("⋑", &[("⋑", 1, false)]),
13186 ("⋑⋑", &[("⋑⋑", 2, false)]),
13187 (
13188 "原理，进而",
13189 &[
13190 ("原", 1, false),
13191 ("理，", 2, false),
13192 ("进", 1, false),
13193 ("而", 1, false),
13194 ],
13195 ),
13196 (
13197 "hello world",
13198 &[("hello", 5, false), (" ", 1, true), ("world", 5, false)],
13199 ),
13200 (
13201 "hello, world",
13202 &[("hello,", 6, false), (" ", 1, true), ("world", 5, false)],
13203 ),
13204 (
13205 " hello world",
13206 &[
13207 (" ", 1, true),
13208 ("hello", 5, false),
13209 (" ", 1, true),
13210 ("world", 5, false),
13211 ],
13212 ),
13213 (
13214 "这是什么 \n 钢笔",
13215 &[
13216 ("这", 1, false),
13217 ("是", 1, false),
13218 ("什", 1, false),
13219 ("么", 1, false),
13220 (" ", 1, true),
13221 ("钢", 1, false),
13222 ("笔", 1, false),
13223 ],
13224 ),
13225 (" mutton", &[(" ", 1, true), ("mutton", 6, false)]),
13226 ];
13227
13228 for (input, result) in tests {
13229 assert_eq!(
13230 WordBreakingTokenizer::new(input).collect::<Vec<_>>(),
13231 result
13232 .iter()
13233 .copied()
13234 .map(|(token, grapheme_len, is_whitespace)| WordBreakToken {
13235 token,
13236 grapheme_len,
13237 is_whitespace,
13238 })
13239 .collect::<Vec<_>>()
13240 );
13241 }
13242}
13243
13244fn wrap_with_prefix(
13245 line_prefix: String,
13246 unwrapped_text: String,
13247 wrap_column: usize,
13248 tab_size: NonZeroU32,
13249) -> String {
13250 let line_prefix_len = char_len_with_expanded_tabs(0, &line_prefix, tab_size);
13251 let mut wrapped_text = String::new();
13252 let mut current_line = line_prefix.clone();
13253
13254 let tokenizer = WordBreakingTokenizer::new(&unwrapped_text);
13255 let mut current_line_len = line_prefix_len;
13256 for WordBreakToken {
13257 token,
13258 grapheme_len,
13259 is_whitespace,
13260 } in tokenizer
13261 {
13262 if current_line_len + grapheme_len > wrap_column && current_line_len != line_prefix_len {
13263 wrapped_text.push_str(current_line.trim_end());
13264 wrapped_text.push('\n');
13265 current_line.truncate(line_prefix.len());
13266 current_line_len = line_prefix_len;
13267 if !is_whitespace {
13268 current_line.push_str(token);
13269 current_line_len += grapheme_len;
13270 }
13271 } else if !is_whitespace {
13272 current_line.push_str(token);
13273 current_line_len += grapheme_len;
13274 } else if current_line_len != line_prefix_len {
13275 current_line.push(' ');
13276 current_line_len += 1;
13277 }
13278 }
13279
13280 if !current_line.is_empty() {
13281 wrapped_text.push_str(¤t_line);
13282 }
13283 wrapped_text
13284}
13285
13286#[test]
13287fn test_wrap_with_prefix() {
13288 assert_eq!(
13289 wrap_with_prefix(
13290 "# ".to_string(),
13291 "abcdefg".to_string(),
13292 4,
13293 NonZeroU32::new(4).unwrap()
13294 ),
13295 "# abcdefg"
13296 );
13297 assert_eq!(
13298 wrap_with_prefix(
13299 "".to_string(),
13300 "\thello world".to_string(),
13301 8,
13302 NonZeroU32::new(4).unwrap()
13303 ),
13304 "hello\nworld"
13305 );
13306 assert_eq!(
13307 wrap_with_prefix(
13308 "// ".to_string(),
13309 "xx \nyy zz aa bb cc".to_string(),
13310 12,
13311 NonZeroU32::new(4).unwrap()
13312 ),
13313 "// xx yy zz\n// aa bb cc"
13314 );
13315 assert_eq!(
13316 wrap_with_prefix(
13317 String::new(),
13318 "这是什么 \n 钢笔".to_string(),
13319 3,
13320 NonZeroU32::new(4).unwrap()
13321 ),
13322 "这是什\n么 钢\n笔"
13323 );
13324}
13325
13326fn hunks_for_selections(
13327 snapshot: &EditorSnapshot,
13328 selections: &[Selection<Point>],
13329) -> Vec<MultiBufferDiffHunk> {
13330 hunks_for_ranges(
13331 selections.iter().map(|selection| selection.range()),
13332 snapshot,
13333 )
13334}
13335
13336pub fn hunks_for_ranges(
13337 ranges: impl Iterator<Item = Range<Point>>,
13338 snapshot: &EditorSnapshot,
13339) -> Vec<MultiBufferDiffHunk> {
13340 let mut hunks = Vec::new();
13341 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
13342 HashMap::default();
13343 for query_range in ranges {
13344 let query_rows =
13345 MultiBufferRow(query_range.start.row)..MultiBufferRow(query_range.end.row + 1);
13346 for hunk in snapshot.diff_map.diff_hunks_in_range(
13347 Point::new(query_rows.start.0, 0)..Point::new(query_rows.end.0, 0),
13348 &snapshot.buffer_snapshot,
13349 ) {
13350 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
13351 // when the caret is just above or just below the deleted hunk.
13352 let allow_adjacent = hunk_status(&hunk) == DiffHunkStatus::Removed;
13353 let related_to_selection = if allow_adjacent {
13354 hunk.row_range.overlaps(&query_rows)
13355 || hunk.row_range.start == query_rows.end
13356 || hunk.row_range.end == query_rows.start
13357 } else {
13358 hunk.row_range.overlaps(&query_rows)
13359 };
13360 if related_to_selection {
13361 if !processed_buffer_rows
13362 .entry(hunk.buffer_id)
13363 .or_default()
13364 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
13365 {
13366 continue;
13367 }
13368 hunks.push(hunk);
13369 }
13370 }
13371 }
13372
13373 hunks
13374}
13375
13376pub trait CollaborationHub {
13377 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator>;
13378 fn user_participant_indices<'a>(
13379 &self,
13380 cx: &'a AppContext,
13381 ) -> &'a HashMap<u64, ParticipantIndex>;
13382 fn user_names(&self, cx: &AppContext) -> HashMap<u64, SharedString>;
13383}
13384
13385impl CollaborationHub for Model<Project> {
13386 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator> {
13387 self.read(cx).collaborators()
13388 }
13389
13390 fn user_participant_indices<'a>(
13391 &self,
13392 cx: &'a AppContext,
13393 ) -> &'a HashMap<u64, ParticipantIndex> {
13394 self.read(cx).user_store().read(cx).participant_indices()
13395 }
13396
13397 fn user_names(&self, cx: &AppContext) -> HashMap<u64, SharedString> {
13398 let this = self.read(cx);
13399 let user_ids = this.collaborators().values().map(|c| c.user_id);
13400 this.user_store().read_with(cx, |user_store, cx| {
13401 user_store.participant_names(user_ids, cx)
13402 })
13403 }
13404}
13405
13406pub trait SemanticsProvider {
13407 fn hover(
13408 &self,
13409 buffer: &Model<Buffer>,
13410 position: text::Anchor,
13411 cx: &mut AppContext,
13412 ) -> Option<Task<Vec<project::Hover>>>;
13413
13414 fn inlay_hints(
13415 &self,
13416 buffer_handle: Model<Buffer>,
13417 range: Range<text::Anchor>,
13418 cx: &mut AppContext,
13419 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>>;
13420
13421 fn resolve_inlay_hint(
13422 &self,
13423 hint: InlayHint,
13424 buffer_handle: Model<Buffer>,
13425 server_id: LanguageServerId,
13426 cx: &mut AppContext,
13427 ) -> Option<Task<anyhow::Result<InlayHint>>>;
13428
13429 fn supports_inlay_hints(&self, buffer: &Model<Buffer>, cx: &AppContext) -> bool;
13430
13431 fn document_highlights(
13432 &self,
13433 buffer: &Model<Buffer>,
13434 position: text::Anchor,
13435 cx: &mut AppContext,
13436 ) -> Option<Task<Result<Vec<DocumentHighlight>>>>;
13437
13438 fn definitions(
13439 &self,
13440 buffer: &Model<Buffer>,
13441 position: text::Anchor,
13442 kind: GotoDefinitionKind,
13443 cx: &mut AppContext,
13444 ) -> Option<Task<Result<Vec<LocationLink>>>>;
13445
13446 fn range_for_rename(
13447 &self,
13448 buffer: &Model<Buffer>,
13449 position: text::Anchor,
13450 cx: &mut AppContext,
13451 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>>;
13452
13453 fn perform_rename(
13454 &self,
13455 buffer: &Model<Buffer>,
13456 position: text::Anchor,
13457 new_name: String,
13458 cx: &mut AppContext,
13459 ) -> Option<Task<Result<ProjectTransaction>>>;
13460}
13461
13462pub trait CompletionProvider {
13463 fn completions(
13464 &self,
13465 buffer: &Model<Buffer>,
13466 buffer_position: text::Anchor,
13467 trigger: CompletionContext,
13468 cx: &mut ViewContext<Editor>,
13469 ) -> Task<Result<Vec<Completion>>>;
13470
13471 fn resolve_completions(
13472 &self,
13473 buffer: Model<Buffer>,
13474 completion_indices: Vec<usize>,
13475 completions: Rc<RefCell<Box<[Completion]>>>,
13476 cx: &mut ViewContext<Editor>,
13477 ) -> Task<Result<bool>>;
13478
13479 fn apply_additional_edits_for_completion(
13480 &self,
13481 _buffer: Model<Buffer>,
13482 _completions: Rc<RefCell<Box<[Completion]>>>,
13483 _completion_index: usize,
13484 _push_to_history: bool,
13485 _cx: &mut ViewContext<Editor>,
13486 ) -> Task<Result<Option<language::Transaction>>> {
13487 Task::ready(Ok(None))
13488 }
13489
13490 fn is_completion_trigger(
13491 &self,
13492 buffer: &Model<Buffer>,
13493 position: language::Anchor,
13494 text: &str,
13495 trigger_in_words: bool,
13496 cx: &mut ViewContext<Editor>,
13497 ) -> bool;
13498
13499 fn sort_completions(&self) -> bool {
13500 true
13501 }
13502}
13503
13504pub trait CodeActionProvider {
13505 fn code_actions(
13506 &self,
13507 buffer: &Model<Buffer>,
13508 range: Range<text::Anchor>,
13509 cx: &mut WindowContext,
13510 ) -> Task<Result<Vec<CodeAction>>>;
13511
13512 fn apply_code_action(
13513 &self,
13514 buffer_handle: Model<Buffer>,
13515 action: CodeAction,
13516 excerpt_id: ExcerptId,
13517 push_to_history: bool,
13518 cx: &mut WindowContext,
13519 ) -> Task<Result<ProjectTransaction>>;
13520}
13521
13522impl CodeActionProvider for Model<Project> {
13523 fn code_actions(
13524 &self,
13525 buffer: &Model<Buffer>,
13526 range: Range<text::Anchor>,
13527 cx: &mut WindowContext,
13528 ) -> Task<Result<Vec<CodeAction>>> {
13529 self.update(cx, |project, cx| {
13530 project.code_actions(buffer, range, None, cx)
13531 })
13532 }
13533
13534 fn apply_code_action(
13535 &self,
13536 buffer_handle: Model<Buffer>,
13537 action: CodeAction,
13538 _excerpt_id: ExcerptId,
13539 push_to_history: bool,
13540 cx: &mut WindowContext,
13541 ) -> Task<Result<ProjectTransaction>> {
13542 self.update(cx, |project, cx| {
13543 project.apply_code_action(buffer_handle, action, push_to_history, cx)
13544 })
13545 }
13546}
13547
13548fn snippet_completions(
13549 project: &Project,
13550 buffer: &Model<Buffer>,
13551 buffer_position: text::Anchor,
13552 cx: &mut AppContext,
13553) -> Task<Result<Vec<Completion>>> {
13554 let language = buffer.read(cx).language_at(buffer_position);
13555 let language_name = language.as_ref().map(|language| language.lsp_id());
13556 let snippet_store = project.snippets().read(cx);
13557 let snippets = snippet_store.snippets_for(language_name, cx);
13558
13559 if snippets.is_empty() {
13560 return Task::ready(Ok(vec![]));
13561 }
13562 let snapshot = buffer.read(cx).text_snapshot();
13563 let chars: String = snapshot
13564 .reversed_chars_for_range(text::Anchor::MIN..buffer_position)
13565 .collect();
13566
13567 let scope = language.map(|language| language.default_scope());
13568 let executor = cx.background_executor().clone();
13569
13570 cx.background_executor().spawn(async move {
13571 let classifier = CharClassifier::new(scope).for_completion(true);
13572 let mut last_word = chars
13573 .chars()
13574 .take_while(|c| classifier.is_word(*c))
13575 .collect::<String>();
13576 last_word = last_word.chars().rev().collect();
13577
13578 if last_word.is_empty() {
13579 return Ok(vec![]);
13580 }
13581
13582 let as_offset = text::ToOffset::to_offset(&buffer_position, &snapshot);
13583 let to_lsp = |point: &text::Anchor| {
13584 let end = text::ToPointUtf16::to_point_utf16(point, &snapshot);
13585 point_to_lsp(end)
13586 };
13587 let lsp_end = to_lsp(&buffer_position);
13588
13589 let candidates = snippets
13590 .iter()
13591 .enumerate()
13592 .flat_map(|(ix, snippet)| {
13593 snippet
13594 .prefix
13595 .iter()
13596 .map(move |prefix| StringMatchCandidate::new(ix, &prefix))
13597 })
13598 .collect::<Vec<StringMatchCandidate>>();
13599
13600 let mut matches = fuzzy::match_strings(
13601 &candidates,
13602 &last_word,
13603 last_word.chars().any(|c| c.is_uppercase()),
13604 100,
13605 &Default::default(),
13606 executor,
13607 )
13608 .await;
13609
13610 // Remove all candidates where the query's start does not match the start of any word in the candidate
13611 if let Some(query_start) = last_word.chars().next() {
13612 matches.retain(|string_match| {
13613 split_words(&string_match.string).any(|word| {
13614 // Check that the first codepoint of the word as lowercase matches the first
13615 // codepoint of the query as lowercase
13616 word.chars()
13617 .flat_map(|codepoint| codepoint.to_lowercase())
13618 .zip(query_start.to_lowercase())
13619 .all(|(word_cp, query_cp)| word_cp == query_cp)
13620 })
13621 });
13622 }
13623
13624 let matched_strings = matches
13625 .into_iter()
13626 .map(|m| m.string)
13627 .collect::<HashSet<_>>();
13628
13629 let result: Vec<Completion> = snippets
13630 .into_iter()
13631 .filter_map(|snippet| {
13632 let matching_prefix = snippet
13633 .prefix
13634 .iter()
13635 .find(|prefix| matched_strings.contains(*prefix))?;
13636 let start = as_offset - last_word.len();
13637 let start = snapshot.anchor_before(start);
13638 let range = start..buffer_position;
13639 let lsp_start = to_lsp(&start);
13640 let lsp_range = lsp::Range {
13641 start: lsp_start,
13642 end: lsp_end,
13643 };
13644 Some(Completion {
13645 old_range: range,
13646 new_text: snippet.body.clone(),
13647 resolved: false,
13648 label: CodeLabel {
13649 text: matching_prefix.clone(),
13650 runs: vec![],
13651 filter_range: 0..matching_prefix.len(),
13652 },
13653 server_id: LanguageServerId(usize::MAX),
13654 documentation: snippet.description.clone().map(Documentation::SingleLine),
13655 lsp_completion: lsp::CompletionItem {
13656 label: snippet.prefix.first().unwrap().clone(),
13657 kind: Some(CompletionItemKind::SNIPPET),
13658 label_details: snippet.description.as_ref().map(|description| {
13659 lsp::CompletionItemLabelDetails {
13660 detail: Some(description.clone()),
13661 description: None,
13662 }
13663 }),
13664 insert_text_format: Some(InsertTextFormat::SNIPPET),
13665 text_edit: Some(lsp::CompletionTextEdit::InsertAndReplace(
13666 lsp::InsertReplaceEdit {
13667 new_text: snippet.body.clone(),
13668 insert: lsp_range,
13669 replace: lsp_range,
13670 },
13671 )),
13672 filter_text: Some(snippet.body.clone()),
13673 sort_text: Some(char::MAX.to_string()),
13674 ..Default::default()
13675 },
13676 confirm: None,
13677 })
13678 })
13679 .collect();
13680
13681 Ok(result)
13682 })
13683}
13684
13685impl CompletionProvider for Model<Project> {
13686 fn completions(
13687 &self,
13688 buffer: &Model<Buffer>,
13689 buffer_position: text::Anchor,
13690 options: CompletionContext,
13691 cx: &mut ViewContext<Editor>,
13692 ) -> Task<Result<Vec<Completion>>> {
13693 self.update(cx, |project, cx| {
13694 let snippets = snippet_completions(project, buffer, buffer_position, cx);
13695 let project_completions = project.completions(buffer, buffer_position, options, cx);
13696 cx.background_executor().spawn(async move {
13697 let mut completions = project_completions.await?;
13698 let snippets_completions = snippets.await?;
13699 completions.extend(snippets_completions);
13700 Ok(completions)
13701 })
13702 })
13703 }
13704
13705 fn resolve_completions(
13706 &self,
13707 buffer: Model<Buffer>,
13708 completion_indices: Vec<usize>,
13709 completions: Rc<RefCell<Box<[Completion]>>>,
13710 cx: &mut ViewContext<Editor>,
13711 ) -> Task<Result<bool>> {
13712 self.update(cx, |project, cx| {
13713 project.lsp_store().update(cx, |lsp_store, cx| {
13714 lsp_store.resolve_completions(buffer, completion_indices, completions, cx)
13715 })
13716 })
13717 }
13718
13719 fn apply_additional_edits_for_completion(
13720 &self,
13721 buffer: Model<Buffer>,
13722 completions: Rc<RefCell<Box<[Completion]>>>,
13723 completion_index: usize,
13724 push_to_history: bool,
13725 cx: &mut ViewContext<Editor>,
13726 ) -> Task<Result<Option<language::Transaction>>> {
13727 self.update(cx, |project, cx| {
13728 project.lsp_store().update(cx, |lsp_store, cx| {
13729 lsp_store.apply_additional_edits_for_completion(
13730 buffer,
13731 completions,
13732 completion_index,
13733 push_to_history,
13734 cx,
13735 )
13736 })
13737 })
13738 }
13739
13740 fn is_completion_trigger(
13741 &self,
13742 buffer: &Model<Buffer>,
13743 position: language::Anchor,
13744 text: &str,
13745 trigger_in_words: bool,
13746 cx: &mut ViewContext<Editor>,
13747 ) -> bool {
13748 let mut chars = text.chars();
13749 let char = if let Some(char) = chars.next() {
13750 char
13751 } else {
13752 return false;
13753 };
13754 if chars.next().is_some() {
13755 return false;
13756 }
13757
13758 let buffer = buffer.read(cx);
13759 let snapshot = buffer.snapshot();
13760 if !snapshot.settings_at(position, cx).show_completions_on_input {
13761 return false;
13762 }
13763 let classifier = snapshot.char_classifier_at(position).for_completion(true);
13764 if trigger_in_words && classifier.is_word(char) {
13765 return true;
13766 }
13767
13768 buffer.completion_triggers().contains(text)
13769 }
13770}
13771
13772impl SemanticsProvider for Model<Project> {
13773 fn hover(
13774 &self,
13775 buffer: &Model<Buffer>,
13776 position: text::Anchor,
13777 cx: &mut AppContext,
13778 ) -> Option<Task<Vec<project::Hover>>> {
13779 Some(self.update(cx, |project, cx| project.hover(buffer, position, cx)))
13780 }
13781
13782 fn document_highlights(
13783 &self,
13784 buffer: &Model<Buffer>,
13785 position: text::Anchor,
13786 cx: &mut AppContext,
13787 ) -> Option<Task<Result<Vec<DocumentHighlight>>>> {
13788 Some(self.update(cx, |project, cx| {
13789 project.document_highlights(buffer, position, cx)
13790 }))
13791 }
13792
13793 fn definitions(
13794 &self,
13795 buffer: &Model<Buffer>,
13796 position: text::Anchor,
13797 kind: GotoDefinitionKind,
13798 cx: &mut AppContext,
13799 ) -> Option<Task<Result<Vec<LocationLink>>>> {
13800 Some(self.update(cx, |project, cx| match kind {
13801 GotoDefinitionKind::Symbol => project.definition(&buffer, position, cx),
13802 GotoDefinitionKind::Declaration => project.declaration(&buffer, position, cx),
13803 GotoDefinitionKind::Type => project.type_definition(&buffer, position, cx),
13804 GotoDefinitionKind::Implementation => project.implementation(&buffer, position, cx),
13805 }))
13806 }
13807
13808 fn supports_inlay_hints(&self, buffer: &Model<Buffer>, cx: &AppContext) -> bool {
13809 // TODO: make this work for remote projects
13810 self.read(cx)
13811 .language_servers_for_local_buffer(buffer.read(cx), cx)
13812 .any(
13813 |(_, server)| match server.capabilities().inlay_hint_provider {
13814 Some(lsp::OneOf::Left(enabled)) => enabled,
13815 Some(lsp::OneOf::Right(_)) => true,
13816 None => false,
13817 },
13818 )
13819 }
13820
13821 fn inlay_hints(
13822 &self,
13823 buffer_handle: Model<Buffer>,
13824 range: Range<text::Anchor>,
13825 cx: &mut AppContext,
13826 ) -> Option<Task<anyhow::Result<Vec<InlayHint>>>> {
13827 Some(self.update(cx, |project, cx| {
13828 project.inlay_hints(buffer_handle, range, cx)
13829 }))
13830 }
13831
13832 fn resolve_inlay_hint(
13833 &self,
13834 hint: InlayHint,
13835 buffer_handle: Model<Buffer>,
13836 server_id: LanguageServerId,
13837 cx: &mut AppContext,
13838 ) -> Option<Task<anyhow::Result<InlayHint>>> {
13839 Some(self.update(cx, |project, cx| {
13840 project.resolve_inlay_hint(hint, buffer_handle, server_id, cx)
13841 }))
13842 }
13843
13844 fn range_for_rename(
13845 &self,
13846 buffer: &Model<Buffer>,
13847 position: text::Anchor,
13848 cx: &mut AppContext,
13849 ) -> Option<Task<Result<Option<Range<text::Anchor>>>>> {
13850 Some(self.update(cx, |project, cx| {
13851 project.prepare_rename(buffer.clone(), position, cx)
13852 }))
13853 }
13854
13855 fn perform_rename(
13856 &self,
13857 buffer: &Model<Buffer>,
13858 position: text::Anchor,
13859 new_name: String,
13860 cx: &mut AppContext,
13861 ) -> Option<Task<Result<ProjectTransaction>>> {
13862 Some(self.update(cx, |project, cx| {
13863 project.perform_rename(buffer.clone(), position, new_name, cx)
13864 }))
13865 }
13866}
13867
13868fn inlay_hint_settings(
13869 location: Anchor,
13870 snapshot: &MultiBufferSnapshot,
13871 cx: &mut ViewContext<Editor>,
13872) -> InlayHintSettings {
13873 let file = snapshot.file_at(location);
13874 let language = snapshot.language_at(location).map(|l| l.name());
13875 language_settings(language, file, cx).inlay_hints
13876}
13877
13878fn consume_contiguous_rows(
13879 contiguous_row_selections: &mut Vec<Selection<Point>>,
13880 selection: &Selection<Point>,
13881 display_map: &DisplaySnapshot,
13882 selections: &mut Peekable<std::slice::Iter<Selection<Point>>>,
13883) -> (MultiBufferRow, MultiBufferRow) {
13884 contiguous_row_selections.push(selection.clone());
13885 let start_row = MultiBufferRow(selection.start.row);
13886 let mut end_row = ending_row(selection, display_map);
13887
13888 while let Some(next_selection) = selections.peek() {
13889 if next_selection.start.row <= end_row.0 {
13890 end_row = ending_row(next_selection, display_map);
13891 contiguous_row_selections.push(selections.next().unwrap().clone());
13892 } else {
13893 break;
13894 }
13895 }
13896 (start_row, end_row)
13897}
13898
13899fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
13900 if next_selection.end.column > 0 || next_selection.is_empty() {
13901 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
13902 } else {
13903 MultiBufferRow(next_selection.end.row)
13904 }
13905}
13906
13907impl EditorSnapshot {
13908 pub fn remote_selections_in_range<'a>(
13909 &'a self,
13910 range: &'a Range<Anchor>,
13911 collaboration_hub: &dyn CollaborationHub,
13912 cx: &'a AppContext,
13913 ) -> impl 'a + Iterator<Item = RemoteSelection> {
13914 let participant_names = collaboration_hub.user_names(cx);
13915 let participant_indices = collaboration_hub.user_participant_indices(cx);
13916 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
13917 let collaborators_by_replica_id = collaborators_by_peer_id
13918 .iter()
13919 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
13920 .collect::<HashMap<_, _>>();
13921 self.buffer_snapshot
13922 .selections_in_range(range, false)
13923 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
13924 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
13925 let participant_index = participant_indices.get(&collaborator.user_id).copied();
13926 let user_name = participant_names.get(&collaborator.user_id).cloned();
13927 Some(RemoteSelection {
13928 replica_id,
13929 selection,
13930 cursor_shape,
13931 line_mode,
13932 participant_index,
13933 peer_id: collaborator.peer_id,
13934 user_name,
13935 })
13936 })
13937 }
13938
13939 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
13940 self.display_snapshot.buffer_snapshot.language_at(position)
13941 }
13942
13943 pub fn is_focused(&self) -> bool {
13944 self.is_focused
13945 }
13946
13947 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
13948 self.placeholder_text.as_ref()
13949 }
13950
13951 pub fn scroll_position(&self) -> gpui::Point<f32> {
13952 self.scroll_anchor.scroll_position(&self.display_snapshot)
13953 }
13954
13955 fn gutter_dimensions(
13956 &self,
13957 font_id: FontId,
13958 font_size: Pixels,
13959 em_width: Pixels,
13960 em_advance: Pixels,
13961 max_line_number_width: Pixels,
13962 cx: &AppContext,
13963 ) -> GutterDimensions {
13964 if !self.show_gutter {
13965 return GutterDimensions::default();
13966 }
13967 let descent = cx.text_system().descent(font_id, font_size);
13968
13969 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
13970 matches!(
13971 ProjectSettings::get_global(cx).git.git_gutter,
13972 Some(GitGutterSetting::TrackedFiles)
13973 )
13974 });
13975 let gutter_settings = EditorSettings::get_global(cx).gutter;
13976 let show_line_numbers = self
13977 .show_line_numbers
13978 .unwrap_or(gutter_settings.line_numbers);
13979 let line_gutter_width = if show_line_numbers {
13980 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
13981 let min_width_for_number_on_gutter = em_advance * 4.0;
13982 max_line_number_width.max(min_width_for_number_on_gutter)
13983 } else {
13984 0.0.into()
13985 };
13986
13987 let show_code_actions = self
13988 .show_code_actions
13989 .unwrap_or(gutter_settings.code_actions);
13990
13991 let show_runnables = self.show_runnables.unwrap_or(gutter_settings.runnables);
13992
13993 let git_blame_entries_width =
13994 self.git_blame_gutter_max_author_length
13995 .map(|max_author_length| {
13996 // Length of the author name, but also space for the commit hash,
13997 // the spacing and the timestamp.
13998 let max_char_count = max_author_length
13999 .min(GIT_BLAME_MAX_AUTHOR_CHARS_DISPLAYED)
14000 + 7 // length of commit sha
14001 + 14 // length of max relative timestamp ("60 minutes ago")
14002 + 4; // gaps and margins
14003
14004 em_advance * max_char_count
14005 });
14006
14007 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
14008 left_padding += if show_code_actions || show_runnables {
14009 em_width * 3.0
14010 } else if show_git_gutter && show_line_numbers {
14011 em_width * 2.0
14012 } else if show_git_gutter || show_line_numbers {
14013 em_width
14014 } else {
14015 px(0.)
14016 };
14017
14018 let right_padding = if gutter_settings.folds && show_line_numbers {
14019 em_width * 4.0
14020 } else if gutter_settings.folds {
14021 em_width * 3.0
14022 } else if show_line_numbers {
14023 em_width
14024 } else {
14025 px(0.)
14026 };
14027
14028 GutterDimensions {
14029 left_padding,
14030 right_padding,
14031 width: line_gutter_width + left_padding + right_padding,
14032 margin: -descent,
14033 git_blame_entries_width,
14034 }
14035 }
14036
14037 pub fn render_crease_toggle(
14038 &self,
14039 buffer_row: MultiBufferRow,
14040 row_contains_cursor: bool,
14041 editor: View<Editor>,
14042 cx: &mut WindowContext,
14043 ) -> Option<AnyElement> {
14044 let folded = self.is_line_folded(buffer_row);
14045 let mut is_foldable = false;
14046
14047 if let Some(crease) = self
14048 .crease_snapshot
14049 .query_row(buffer_row, &self.buffer_snapshot)
14050 {
14051 is_foldable = true;
14052 match crease {
14053 Crease::Inline { render_toggle, .. } | Crease::Block { render_toggle, .. } => {
14054 if let Some(render_toggle) = render_toggle {
14055 let toggle_callback = Arc::new(move |folded, cx: &mut WindowContext| {
14056 if folded {
14057 editor.update(cx, |editor, cx| {
14058 editor.fold_at(&crate::FoldAt { buffer_row }, cx)
14059 });
14060 } else {
14061 editor.update(cx, |editor, cx| {
14062 editor.unfold_at(&crate::UnfoldAt { buffer_row }, cx)
14063 });
14064 }
14065 });
14066 return Some((render_toggle)(buffer_row, folded, toggle_callback, cx));
14067 }
14068 }
14069 }
14070 }
14071
14072 is_foldable |= self.starts_indent(buffer_row);
14073
14074 if folded || (is_foldable && (row_contains_cursor || self.gutter_hovered)) {
14075 Some(
14076 Disclosure::new(("gutter_crease", buffer_row.0), !folded)
14077 .toggle_state(folded)
14078 .on_click(cx.listener_for(&editor, move |this, _e, cx| {
14079 if folded {
14080 this.unfold_at(&UnfoldAt { buffer_row }, cx);
14081 } else {
14082 this.fold_at(&FoldAt { buffer_row }, cx);
14083 }
14084 }))
14085 .into_any_element(),
14086 )
14087 } else {
14088 None
14089 }
14090 }
14091
14092 pub fn render_crease_trailer(
14093 &self,
14094 buffer_row: MultiBufferRow,
14095 cx: &mut WindowContext,
14096 ) -> Option<AnyElement> {
14097 let folded = self.is_line_folded(buffer_row);
14098 if let Crease::Inline { render_trailer, .. } = self
14099 .crease_snapshot
14100 .query_row(buffer_row, &self.buffer_snapshot)?
14101 {
14102 let render_trailer = render_trailer.as_ref()?;
14103 Some(render_trailer(buffer_row, folded, cx))
14104 } else {
14105 None
14106 }
14107 }
14108}
14109
14110impl Deref for EditorSnapshot {
14111 type Target = DisplaySnapshot;
14112
14113 fn deref(&self) -> &Self::Target {
14114 &self.display_snapshot
14115 }
14116}
14117
14118#[derive(Clone, Debug, PartialEq, Eq)]
14119pub enum EditorEvent {
14120 InputIgnored {
14121 text: Arc<str>,
14122 },
14123 InputHandled {
14124 utf16_range_to_replace: Option<Range<isize>>,
14125 text: Arc<str>,
14126 },
14127 ExcerptsAdded {
14128 buffer: Model<Buffer>,
14129 predecessor: ExcerptId,
14130 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
14131 },
14132 ExcerptsRemoved {
14133 ids: Vec<ExcerptId>,
14134 },
14135 BufferFoldToggled {
14136 ids: Vec<ExcerptId>,
14137 folded: bool,
14138 },
14139 ExcerptsEdited {
14140 ids: Vec<ExcerptId>,
14141 },
14142 ExcerptsExpanded {
14143 ids: Vec<ExcerptId>,
14144 },
14145 BufferEdited,
14146 Edited {
14147 transaction_id: clock::Lamport,
14148 },
14149 Reparsed(BufferId),
14150 Focused,
14151 FocusedIn,
14152 Blurred,
14153 DirtyChanged,
14154 Saved,
14155 TitleChanged,
14156 DiffBaseChanged,
14157 SelectionsChanged {
14158 local: bool,
14159 },
14160 ScrollPositionChanged {
14161 local: bool,
14162 autoscroll: bool,
14163 },
14164 Closed,
14165 TransactionUndone {
14166 transaction_id: clock::Lamport,
14167 },
14168 TransactionBegun {
14169 transaction_id: clock::Lamport,
14170 },
14171 Reloaded,
14172 CursorShapeChanged,
14173}
14174
14175impl EventEmitter<EditorEvent> for Editor {}
14176
14177impl FocusableView for Editor {
14178 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
14179 self.focus_handle.clone()
14180 }
14181}
14182
14183impl Render for Editor {
14184 fn render<'a>(&mut self, cx: &mut ViewContext<'a, Self>) -> impl IntoElement {
14185 let settings = ThemeSettings::get_global(cx);
14186
14187 let mut text_style = match self.mode {
14188 EditorMode::SingleLine { .. } | EditorMode::AutoHeight { .. } => TextStyle {
14189 color: cx.theme().colors().editor_foreground,
14190 font_family: settings.ui_font.family.clone(),
14191 font_features: settings.ui_font.features.clone(),
14192 font_fallbacks: settings.ui_font.fallbacks.clone(),
14193 font_size: rems(0.875).into(),
14194 font_weight: settings.ui_font.weight,
14195 line_height: relative(settings.buffer_line_height.value()),
14196 ..Default::default()
14197 },
14198 EditorMode::Full => TextStyle {
14199 color: cx.theme().colors().editor_foreground,
14200 font_family: settings.buffer_font.family.clone(),
14201 font_features: settings.buffer_font.features.clone(),
14202 font_fallbacks: settings.buffer_font.fallbacks.clone(),
14203 font_size: settings.buffer_font_size(cx).into(),
14204 font_weight: settings.buffer_font.weight,
14205 line_height: relative(settings.buffer_line_height.value()),
14206 ..Default::default()
14207 },
14208 };
14209 if let Some(text_style_refinement) = &self.text_style_refinement {
14210 text_style.refine(text_style_refinement)
14211 }
14212
14213 let background = match self.mode {
14214 EditorMode::SingleLine { .. } => cx.theme().system().transparent,
14215 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
14216 EditorMode::Full => cx.theme().colors().editor_background,
14217 };
14218
14219 EditorElement::new(
14220 cx.view(),
14221 EditorStyle {
14222 background,
14223 local_player: cx.theme().players().local(),
14224 text: text_style,
14225 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
14226 syntax: cx.theme().syntax().clone(),
14227 status: cx.theme().status().clone(),
14228 inlay_hints_style: make_inlay_hints_style(cx),
14229 inline_completion_styles: make_suggestion_styles(cx),
14230 unnecessary_code_fade: ThemeSettings::get_global(cx).unnecessary_code_fade,
14231 },
14232 )
14233 }
14234}
14235
14236impl ViewInputHandler for Editor {
14237 fn text_for_range(
14238 &mut self,
14239 range_utf16: Range<usize>,
14240 adjusted_range: &mut Option<Range<usize>>,
14241 cx: &mut ViewContext<Self>,
14242 ) -> Option<String> {
14243 let snapshot = self.buffer.read(cx).read(cx);
14244 let start = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.start), Bias::Left);
14245 let end = snapshot.clip_offset_utf16(OffsetUtf16(range_utf16.end), Bias::Right);
14246 if (start.0..end.0) != range_utf16 {
14247 adjusted_range.replace(start.0..end.0);
14248 }
14249 Some(snapshot.text_for_range(start..end).collect())
14250 }
14251
14252 fn selected_text_range(
14253 &mut self,
14254 ignore_disabled_input: bool,
14255 cx: &mut ViewContext<Self>,
14256 ) -> Option<UTF16Selection> {
14257 // Prevent the IME menu from appearing when holding down an alphabetic key
14258 // while input is disabled.
14259 if !ignore_disabled_input && !self.input_enabled {
14260 return None;
14261 }
14262
14263 let selection = self.selections.newest::<OffsetUtf16>(cx);
14264 let range = selection.range();
14265
14266 Some(UTF16Selection {
14267 range: range.start.0..range.end.0,
14268 reversed: selection.reversed,
14269 })
14270 }
14271
14272 fn marked_text_range(&self, cx: &mut ViewContext<Self>) -> Option<Range<usize>> {
14273 let snapshot = self.buffer.read(cx).read(cx);
14274 let range = self.text_highlights::<InputComposition>(cx)?.1.first()?;
14275 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
14276 }
14277
14278 fn unmark_text(&mut self, cx: &mut ViewContext<Self>) {
14279 self.clear_highlights::<InputComposition>(cx);
14280 self.ime_transaction.take();
14281 }
14282
14283 fn replace_text_in_range(
14284 &mut self,
14285 range_utf16: Option<Range<usize>>,
14286 text: &str,
14287 cx: &mut ViewContext<Self>,
14288 ) {
14289 if !self.input_enabled {
14290 cx.emit(EditorEvent::InputIgnored { text: text.into() });
14291 return;
14292 }
14293
14294 self.transact(cx, |this, cx| {
14295 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
14296 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
14297 Some(this.selection_replacement_ranges(range_utf16, cx))
14298 } else {
14299 this.marked_text_ranges(cx)
14300 };
14301
14302 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
14303 let newest_selection_id = this.selections.newest_anchor().id;
14304 this.selections
14305 .all::<OffsetUtf16>(cx)
14306 .iter()
14307 .zip(ranges_to_replace.iter())
14308 .find_map(|(selection, range)| {
14309 if selection.id == newest_selection_id {
14310 Some(
14311 (range.start.0 as isize - selection.head().0 as isize)
14312 ..(range.end.0 as isize - selection.head().0 as isize),
14313 )
14314 } else {
14315 None
14316 }
14317 })
14318 });
14319
14320 cx.emit(EditorEvent::InputHandled {
14321 utf16_range_to_replace: range_to_replace,
14322 text: text.into(),
14323 });
14324
14325 if let Some(new_selected_ranges) = new_selected_ranges {
14326 this.change_selections(None, cx, |selections| {
14327 selections.select_ranges(new_selected_ranges)
14328 });
14329 this.backspace(&Default::default(), cx);
14330 }
14331
14332 this.handle_input(text, cx);
14333 });
14334
14335 if let Some(transaction) = self.ime_transaction {
14336 self.buffer.update(cx, |buffer, cx| {
14337 buffer.group_until_transaction(transaction, cx);
14338 });
14339 }
14340
14341 self.unmark_text(cx);
14342 }
14343
14344 fn replace_and_mark_text_in_range(
14345 &mut self,
14346 range_utf16: Option<Range<usize>>,
14347 text: &str,
14348 new_selected_range_utf16: Option<Range<usize>>,
14349 cx: &mut ViewContext<Self>,
14350 ) {
14351 if !self.input_enabled {
14352 return;
14353 }
14354
14355 let transaction = self.transact(cx, |this, cx| {
14356 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
14357 let snapshot = this.buffer.read(cx).read(cx);
14358 if let Some(relative_range_utf16) = range_utf16.as_ref() {
14359 for marked_range in &mut marked_ranges {
14360 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
14361 marked_range.start.0 += relative_range_utf16.start;
14362 marked_range.start =
14363 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
14364 marked_range.end =
14365 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
14366 }
14367 }
14368 Some(marked_ranges)
14369 } else if let Some(range_utf16) = range_utf16 {
14370 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
14371 Some(this.selection_replacement_ranges(range_utf16, cx))
14372 } else {
14373 None
14374 };
14375
14376 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
14377 let newest_selection_id = this.selections.newest_anchor().id;
14378 this.selections
14379 .all::<OffsetUtf16>(cx)
14380 .iter()
14381 .zip(ranges_to_replace.iter())
14382 .find_map(|(selection, range)| {
14383 if selection.id == newest_selection_id {
14384 Some(
14385 (range.start.0 as isize - selection.head().0 as isize)
14386 ..(range.end.0 as isize - selection.head().0 as isize),
14387 )
14388 } else {
14389 None
14390 }
14391 })
14392 });
14393
14394 cx.emit(EditorEvent::InputHandled {
14395 utf16_range_to_replace: range_to_replace,
14396 text: text.into(),
14397 });
14398
14399 if let Some(ranges) = ranges_to_replace {
14400 this.change_selections(None, cx, |s| s.select_ranges(ranges));
14401 }
14402
14403 let marked_ranges = {
14404 let snapshot = this.buffer.read(cx).read(cx);
14405 this.selections
14406 .disjoint_anchors()
14407 .iter()
14408 .map(|selection| {
14409 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
14410 })
14411 .collect::<Vec<_>>()
14412 };
14413
14414 if text.is_empty() {
14415 this.unmark_text(cx);
14416 } else {
14417 this.highlight_text::<InputComposition>(
14418 marked_ranges.clone(),
14419 HighlightStyle {
14420 underline: Some(UnderlineStyle {
14421 thickness: px(1.),
14422 color: None,
14423 wavy: false,
14424 }),
14425 ..Default::default()
14426 },
14427 cx,
14428 );
14429 }
14430
14431 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
14432 let use_autoclose = this.use_autoclose;
14433 let use_auto_surround = this.use_auto_surround;
14434 this.set_use_autoclose(false);
14435 this.set_use_auto_surround(false);
14436 this.handle_input(text, cx);
14437 this.set_use_autoclose(use_autoclose);
14438 this.set_use_auto_surround(use_auto_surround);
14439
14440 if let Some(new_selected_range) = new_selected_range_utf16 {
14441 let snapshot = this.buffer.read(cx).read(cx);
14442 let new_selected_ranges = marked_ranges
14443 .into_iter()
14444 .map(|marked_range| {
14445 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
14446 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
14447 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
14448 snapshot.clip_offset_utf16(new_start, Bias::Left)
14449 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
14450 })
14451 .collect::<Vec<_>>();
14452
14453 drop(snapshot);
14454 this.change_selections(None, cx, |selections| {
14455 selections.select_ranges(new_selected_ranges)
14456 });
14457 }
14458 });
14459
14460 self.ime_transaction = self.ime_transaction.or(transaction);
14461 if let Some(transaction) = self.ime_transaction {
14462 self.buffer.update(cx, |buffer, cx| {
14463 buffer.group_until_transaction(transaction, cx);
14464 });
14465 }
14466
14467 if self.text_highlights::<InputComposition>(cx).is_none() {
14468 self.ime_transaction.take();
14469 }
14470 }
14471
14472 fn bounds_for_range(
14473 &mut self,
14474 range_utf16: Range<usize>,
14475 element_bounds: gpui::Bounds<Pixels>,
14476 cx: &mut ViewContext<Self>,
14477 ) -> Option<gpui::Bounds<Pixels>> {
14478 let text_layout_details = self.text_layout_details(cx);
14479 let gpui::Point {
14480 x: em_width,
14481 y: line_height,
14482 } = self.character_size(cx);
14483
14484 let snapshot = self.snapshot(cx);
14485 let scroll_position = snapshot.scroll_position();
14486 let scroll_left = scroll_position.x * em_width;
14487
14488 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
14489 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
14490 + self.gutter_dimensions.width
14491 + self.gutter_dimensions.margin;
14492 let y = line_height * (start.row().as_f32() - scroll_position.y);
14493
14494 Some(Bounds {
14495 origin: element_bounds.origin + point(x, y),
14496 size: size(em_width, line_height),
14497 })
14498 }
14499}
14500
14501trait SelectionExt {
14502 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
14503 fn spanned_rows(
14504 &self,
14505 include_end_if_at_line_start: bool,
14506 map: &DisplaySnapshot,
14507 ) -> Range<MultiBufferRow>;
14508}
14509
14510impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
14511 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
14512 let start = self
14513 .start
14514 .to_point(&map.buffer_snapshot)
14515 .to_display_point(map);
14516 let end = self
14517 .end
14518 .to_point(&map.buffer_snapshot)
14519 .to_display_point(map);
14520 if self.reversed {
14521 end..start
14522 } else {
14523 start..end
14524 }
14525 }
14526
14527 fn spanned_rows(
14528 &self,
14529 include_end_if_at_line_start: bool,
14530 map: &DisplaySnapshot,
14531 ) -> Range<MultiBufferRow> {
14532 let start = self.start.to_point(&map.buffer_snapshot);
14533 let mut end = self.end.to_point(&map.buffer_snapshot);
14534 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
14535 end.row -= 1;
14536 }
14537
14538 let buffer_start = map.prev_line_boundary(start).0;
14539 let buffer_end = map.next_line_boundary(end).0;
14540 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
14541 }
14542}
14543
14544impl<T: InvalidationRegion> InvalidationStack<T> {
14545 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
14546 where
14547 S: Clone + ToOffset,
14548 {
14549 while let Some(region) = self.last() {
14550 let all_selections_inside_invalidation_ranges =
14551 if selections.len() == region.ranges().len() {
14552 selections
14553 .iter()
14554 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
14555 .all(|(selection, invalidation_range)| {
14556 let head = selection.head().to_offset(buffer);
14557 invalidation_range.start <= head && invalidation_range.end >= head
14558 })
14559 } else {
14560 false
14561 };
14562
14563 if all_selections_inside_invalidation_ranges {
14564 break;
14565 } else {
14566 self.pop();
14567 }
14568 }
14569 }
14570}
14571
14572impl<T> Default for InvalidationStack<T> {
14573 fn default() -> Self {
14574 Self(Default::default())
14575 }
14576}
14577
14578impl<T> Deref for InvalidationStack<T> {
14579 type Target = Vec<T>;
14580
14581 fn deref(&self) -> &Self::Target {
14582 &self.0
14583 }
14584}
14585
14586impl<T> DerefMut for InvalidationStack<T> {
14587 fn deref_mut(&mut self) -> &mut Self::Target {
14588 &mut self.0
14589 }
14590}
14591
14592impl InvalidationRegion for SnippetState {
14593 fn ranges(&self) -> &[Range<Anchor>] {
14594 &self.ranges[self.active_index]
14595 }
14596}
14597
14598pub fn diagnostic_block_renderer(
14599 diagnostic: Diagnostic,
14600 max_message_rows: Option<u8>,
14601 allow_closing: bool,
14602 _is_valid: bool,
14603) -> RenderBlock {
14604 let (text_without_backticks, code_ranges) =
14605 highlight_diagnostic_message(&diagnostic, max_message_rows);
14606
14607 Arc::new(move |cx: &mut BlockContext| {
14608 let group_id: SharedString = cx.block_id.to_string().into();
14609
14610 let mut text_style = cx.text_style().clone();
14611 text_style.color = diagnostic_style(diagnostic.severity, cx.theme().status());
14612 let theme_settings = ThemeSettings::get_global(cx);
14613 text_style.font_family = theme_settings.buffer_font.family.clone();
14614 text_style.font_style = theme_settings.buffer_font.style;
14615 text_style.font_features = theme_settings.buffer_font.features.clone();
14616 text_style.font_weight = theme_settings.buffer_font.weight;
14617
14618 let multi_line_diagnostic = diagnostic.message.contains('\n');
14619
14620 let buttons = |diagnostic: &Diagnostic| {
14621 if multi_line_diagnostic {
14622 v_flex()
14623 } else {
14624 h_flex()
14625 }
14626 .when(allow_closing, |div| {
14627 div.children(diagnostic.is_primary.then(|| {
14628 IconButton::new("close-block", IconName::XCircle)
14629 .icon_color(Color::Muted)
14630 .size(ButtonSize::Compact)
14631 .style(ButtonStyle::Transparent)
14632 .visible_on_hover(group_id.clone())
14633 .on_click(move |_click, cx| cx.dispatch_action(Box::new(Cancel)))
14634 .tooltip(|cx| Tooltip::for_action("Close Diagnostics", &Cancel, cx))
14635 }))
14636 })
14637 .child(
14638 IconButton::new("copy-block", IconName::Copy)
14639 .icon_color(Color::Muted)
14640 .size(ButtonSize::Compact)
14641 .style(ButtonStyle::Transparent)
14642 .visible_on_hover(group_id.clone())
14643 .on_click({
14644 let message = diagnostic.message.clone();
14645 move |_click, cx| {
14646 cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
14647 }
14648 })
14649 .tooltip(|cx| Tooltip::text("Copy diagnostic message", cx)),
14650 )
14651 };
14652
14653 let icon_size = buttons(&diagnostic)
14654 .into_any_element()
14655 .layout_as_root(AvailableSpace::min_size(), cx);
14656
14657 h_flex()
14658 .id(cx.block_id)
14659 .group(group_id.clone())
14660 .relative()
14661 .size_full()
14662 .block_mouse_down()
14663 .pl(cx.gutter_dimensions.width)
14664 .w(cx.max_width - cx.gutter_dimensions.full_width())
14665 .child(
14666 div()
14667 .flex()
14668 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
14669 .flex_shrink(),
14670 )
14671 .child(buttons(&diagnostic))
14672 .child(div().flex().flex_shrink_0().child(
14673 StyledText::new(text_without_backticks.clone()).with_highlights(
14674 &text_style,
14675 code_ranges.iter().map(|range| {
14676 (
14677 range.clone(),
14678 HighlightStyle {
14679 font_weight: Some(FontWeight::BOLD),
14680 ..Default::default()
14681 },
14682 )
14683 }),
14684 ),
14685 ))
14686 .into_any_element()
14687 })
14688}
14689
14690fn inline_completion_edit_text(
14691 editor_snapshot: &EditorSnapshot,
14692 edits: &Vec<(Range<Anchor>, String)>,
14693 include_deletions: bool,
14694 cx: &WindowContext,
14695) -> InlineCompletionText {
14696 let edit_start = edits
14697 .first()
14698 .unwrap()
14699 .0
14700 .start
14701 .to_display_point(editor_snapshot);
14702
14703 let mut text = String::new();
14704 let mut offset = DisplayPoint::new(edit_start.row(), 0).to_offset(editor_snapshot, Bias::Left);
14705 let mut highlights = Vec::new();
14706 for (old_range, new_text) in edits {
14707 let old_offset_range = old_range.to_offset(&editor_snapshot.buffer_snapshot);
14708 text.extend(
14709 editor_snapshot
14710 .buffer_snapshot
14711 .chunks(offset..old_offset_range.start, false)
14712 .map(|chunk| chunk.text),
14713 );
14714 offset = old_offset_range.end;
14715
14716 let start = text.len();
14717 let color = if include_deletions && new_text.is_empty() {
14718 text.extend(
14719 editor_snapshot
14720 .buffer_snapshot
14721 .chunks(old_offset_range.start..offset, false)
14722 .map(|chunk| chunk.text),
14723 );
14724 cx.theme().status().deleted_background
14725 } else {
14726 text.push_str(new_text);
14727 cx.theme().status().created_background
14728 };
14729 let end = text.len();
14730
14731 highlights.push((
14732 start..end,
14733 HighlightStyle {
14734 background_color: Some(color),
14735 ..Default::default()
14736 },
14737 ));
14738 }
14739
14740 let edit_end = edits
14741 .last()
14742 .unwrap()
14743 .0
14744 .end
14745 .to_display_point(editor_snapshot);
14746 let end_of_line = DisplayPoint::new(edit_end.row(), editor_snapshot.line_len(edit_end.row()))
14747 .to_offset(editor_snapshot, Bias::Right);
14748 text.extend(
14749 editor_snapshot
14750 .buffer_snapshot
14751 .chunks(offset..end_of_line, false)
14752 .map(|chunk| chunk.text),
14753 );
14754
14755 InlineCompletionText::Edit {
14756 text: text.into(),
14757 highlights,
14758 }
14759}
14760
14761pub fn highlight_diagnostic_message(
14762 diagnostic: &Diagnostic,
14763 mut max_message_rows: Option<u8>,
14764) -> (SharedString, Vec<Range<usize>>) {
14765 let mut text_without_backticks = String::new();
14766 let mut code_ranges = Vec::new();
14767
14768 if let Some(source) = &diagnostic.source {
14769 text_without_backticks.push_str(source);
14770 code_ranges.push(0..source.len());
14771 text_without_backticks.push_str(": ");
14772 }
14773
14774 let mut prev_offset = 0;
14775 let mut in_code_block = false;
14776 let has_row_limit = max_message_rows.is_some();
14777 let mut newline_indices = diagnostic
14778 .message
14779 .match_indices('\n')
14780 .filter(|_| has_row_limit)
14781 .map(|(ix, _)| ix)
14782 .fuse()
14783 .peekable();
14784
14785 for (quote_ix, _) in diagnostic
14786 .message
14787 .match_indices('`')
14788 .chain([(diagnostic.message.len(), "")])
14789 {
14790 let mut first_newline_ix = None;
14791 let mut last_newline_ix = None;
14792 while let Some(newline_ix) = newline_indices.peek() {
14793 if *newline_ix < quote_ix {
14794 if first_newline_ix.is_none() {
14795 first_newline_ix = Some(*newline_ix);
14796 }
14797 last_newline_ix = Some(*newline_ix);
14798
14799 if let Some(rows_left) = &mut max_message_rows {
14800 if *rows_left == 0 {
14801 break;
14802 } else {
14803 *rows_left -= 1;
14804 }
14805 }
14806 let _ = newline_indices.next();
14807 } else {
14808 break;
14809 }
14810 }
14811 let prev_len = text_without_backticks.len();
14812 let new_text = &diagnostic.message[prev_offset..first_newline_ix.unwrap_or(quote_ix)];
14813 text_without_backticks.push_str(new_text);
14814 if in_code_block {
14815 code_ranges.push(prev_len..text_without_backticks.len());
14816 }
14817 prev_offset = last_newline_ix.unwrap_or(quote_ix) + 1;
14818 in_code_block = !in_code_block;
14819 if first_newline_ix.map_or(false, |newline_ix| newline_ix < quote_ix) {
14820 text_without_backticks.push_str("...");
14821 break;
14822 }
14823 }
14824
14825 (text_without_backticks.into(), code_ranges)
14826}
14827
14828fn diagnostic_style(severity: DiagnosticSeverity, colors: &StatusColors) -> Hsla {
14829 match severity {
14830 DiagnosticSeverity::ERROR => colors.error,
14831 DiagnosticSeverity::WARNING => colors.warning,
14832 DiagnosticSeverity::INFORMATION => colors.info,
14833 DiagnosticSeverity::HINT => colors.info,
14834 _ => colors.ignored,
14835 }
14836}
14837
14838pub fn styled_runs_for_code_label<'a>(
14839 label: &'a CodeLabel,
14840 syntax_theme: &'a theme::SyntaxTheme,
14841) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
14842 let fade_out = HighlightStyle {
14843 fade_out: Some(0.35),
14844 ..Default::default()
14845 };
14846
14847 let mut prev_end = label.filter_range.end;
14848 label
14849 .runs
14850 .iter()
14851 .enumerate()
14852 .flat_map(move |(ix, (range, highlight_id))| {
14853 let style = if let Some(style) = highlight_id.style(syntax_theme) {
14854 style
14855 } else {
14856 return Default::default();
14857 };
14858 let mut muted_style = style;
14859 muted_style.highlight(fade_out);
14860
14861 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
14862 if range.start >= label.filter_range.end {
14863 if range.start > prev_end {
14864 runs.push((prev_end..range.start, fade_out));
14865 }
14866 runs.push((range.clone(), muted_style));
14867 } else if range.end <= label.filter_range.end {
14868 runs.push((range.clone(), style));
14869 } else {
14870 runs.push((range.start..label.filter_range.end, style));
14871 runs.push((label.filter_range.end..range.end, muted_style));
14872 }
14873 prev_end = cmp::max(prev_end, range.end);
14874
14875 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
14876 runs.push((prev_end..label.text.len(), fade_out));
14877 }
14878
14879 runs
14880 })
14881}
14882
14883pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
14884 let mut prev_index = 0;
14885 let mut prev_codepoint: Option<char> = None;
14886 text.char_indices()
14887 .chain([(text.len(), '\0')])
14888 .filter_map(move |(index, codepoint)| {
14889 let prev_codepoint = prev_codepoint.replace(codepoint)?;
14890 let is_boundary = index == text.len()
14891 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
14892 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
14893 if is_boundary {
14894 let chunk = &text[prev_index..index];
14895 prev_index = index;
14896 Some(chunk)
14897 } else {
14898 None
14899 }
14900 })
14901}
14902
14903pub trait RangeToAnchorExt: Sized {
14904 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
14905
14906 fn to_display_points(self, snapshot: &EditorSnapshot) -> Range<DisplayPoint> {
14907 let anchor_range = self.to_anchors(&snapshot.buffer_snapshot);
14908 anchor_range.start.to_display_point(snapshot)..anchor_range.end.to_display_point(snapshot)
14909 }
14910}
14911
14912impl<T: ToOffset> RangeToAnchorExt for Range<T> {
14913 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
14914 let start_offset = self.start.to_offset(snapshot);
14915 let end_offset = self.end.to_offset(snapshot);
14916 if start_offset == end_offset {
14917 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
14918 } else {
14919 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
14920 }
14921 }
14922}
14923
14924pub trait RowExt {
14925 fn as_f32(&self) -> f32;
14926
14927 fn next_row(&self) -> Self;
14928
14929 fn previous_row(&self) -> Self;
14930
14931 fn minus(&self, other: Self) -> u32;
14932}
14933
14934impl RowExt for DisplayRow {
14935 fn as_f32(&self) -> f32 {
14936 self.0 as f32
14937 }
14938
14939 fn next_row(&self) -> Self {
14940 Self(self.0 + 1)
14941 }
14942
14943 fn previous_row(&self) -> Self {
14944 Self(self.0.saturating_sub(1))
14945 }
14946
14947 fn minus(&self, other: Self) -> u32 {
14948 self.0 - other.0
14949 }
14950}
14951
14952impl RowExt for MultiBufferRow {
14953 fn as_f32(&self) -> f32 {
14954 self.0 as f32
14955 }
14956
14957 fn next_row(&self) -> Self {
14958 Self(self.0 + 1)
14959 }
14960
14961 fn previous_row(&self) -> Self {
14962 Self(self.0.saturating_sub(1))
14963 }
14964
14965 fn minus(&self, other: Self) -> u32 {
14966 self.0 - other.0
14967 }
14968}
14969
14970trait RowRangeExt {
14971 type Row;
14972
14973 fn len(&self) -> usize;
14974
14975 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
14976}
14977
14978impl RowRangeExt for Range<MultiBufferRow> {
14979 type Row = MultiBufferRow;
14980
14981 fn len(&self) -> usize {
14982 (self.end.0 - self.start.0) as usize
14983 }
14984
14985 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
14986 (self.start.0..self.end.0).map(MultiBufferRow)
14987 }
14988}
14989
14990impl RowRangeExt for Range<DisplayRow> {
14991 type Row = DisplayRow;
14992
14993 fn len(&self) -> usize {
14994 (self.end.0 - self.start.0) as usize
14995 }
14996
14997 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
14998 (self.start.0..self.end.0).map(DisplayRow)
14999 }
15000}
15001
15002fn hunk_status(hunk: &MultiBufferDiffHunk) -> DiffHunkStatus {
15003 if hunk.diff_base_byte_range.is_empty() {
15004 DiffHunkStatus::Added
15005 } else if hunk.row_range.is_empty() {
15006 DiffHunkStatus::Removed
15007 } else {
15008 DiffHunkStatus::Modified
15009 }
15010}
15011
15012/// If select range has more than one line, we
15013/// just point the cursor to range.start.
15014fn check_multiline_range(buffer: &Buffer, range: Range<usize>) -> Range<usize> {
15015 if buffer.offset_to_point(range.start).row == buffer.offset_to_point(range.end).row {
15016 range
15017 } else {
15018 range.start..range.start
15019 }
15020}
15021
15022pub struct KillRing(ClipboardItem);
15023impl Global for KillRing {}
15024
15025const UPDATE_DEBOUNCE: Duration = Duration::from_millis(50);