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 behaviour.
15pub mod actions;
16mod blame_entry_tooltip;
17mod blink_manager;
18mod debounced_delay;
19pub mod display_map;
20mod editor_settings;
21mod element;
22mod git;
23mod highlight_matching_bracket;
24mod hover_links;
25mod hover_popover;
26mod hunk_diff;
27mod indent_guides;
28mod inlay_hint_cache;
29mod inline_completion_provider;
30pub mod items;
31mod linked_editing_ranges;
32mod mouse_context_menu;
33pub mod movement;
34mod persistence;
35mod rust_analyzer_ext;
36pub mod scroll;
37mod selections_collection;
38pub mod tasks;
39
40#[cfg(test)]
41mod editor_tests;
42#[cfg(any(test, feature = "test-support"))]
43pub mod test;
44use ::git::diff::{DiffHunk, DiffHunkStatus};
45use ::git::{parse_git_remote_url, BuildPermalinkParams, GitHostingProviderRegistry};
46pub(crate) use actions::*;
47use aho_corasick::AhoCorasick;
48use anyhow::{anyhow, Context as _, Result};
49use blink_manager::BlinkManager;
50use client::{Collaborator, ParticipantIndex};
51use clock::ReplicaId;
52use collections::{BTreeMap, Bound, HashMap, HashSet, VecDeque};
53use convert_case::{Case, Casing};
54use debounced_delay::DebouncedDelay;
55use display_map::*;
56pub use display_map::{DisplayPoint, FoldPlaceholder};
57pub use editor_settings::{CurrentLineHighlight, EditorSettings};
58use element::LineWithInvisibles;
59pub use element::{
60 CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
61};
62use futures::FutureExt;
63use fuzzy::{StringMatch, StringMatchCandidate};
64use git::blame::GitBlame;
65use git::diff_hunk_to_display;
66use gpui::{
67 div, impl_actions, point, prelude::*, px, relative, size, uniform_list, Action, AnyElement,
68 AppContext, AsyncWindowContext, AvailableSpace, BackgroundExecutor, Bounds, ClipboardItem,
69 Context, DispatchPhase, ElementId, EventEmitter, FocusHandle, FocusOutEvent, FocusableView,
70 FontId, FontStyle, FontWeight, HighlightStyle, Hsla, InteractiveText, KeyContext,
71 ListSizingBehavior, Model, MouseButton, PaintQuad, ParentElement, Pixels, Render, SharedString,
72 Size, StrikethroughStyle, Styled, StyledText, Subscription, Task, TextStyle, UnderlineStyle,
73 UniformListScrollHandle, View, ViewContext, ViewInputHandler, VisualContext, WeakFocusHandle,
74 WeakView, WhiteSpace, WindowContext,
75};
76use highlight_matching_bracket::refresh_matching_bracket_highlights;
77use hover_popover::{hide_hover, HoverState};
78use hunk_diff::ExpandedHunks;
79pub(crate) use hunk_diff::HunkToExpand;
80use indent_guides::ActiveIndentGuidesState;
81use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
82pub use inline_completion_provider::*;
83pub use items::MAX_TAB_TITLE_LEN;
84use itertools::Itertools;
85use language::{
86 char_kind,
87 language_settings::{self, all_language_settings, InlayHintSettings},
88 markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,
89 CursorShape, Diagnostic, Documentation, IndentKind, IndentSize, Language, OffsetRangeExt,
90 Point, Selection, SelectionGoal, TransactionId,
91};
92use language::{BufferRow, Runnable, RunnableRange};
93use linked_editing_ranges::refresh_linked_ranges;
94use task::{ResolvedTask, TaskTemplate, TaskVariables};
95
96use hover_links::{HoverLink, HoveredLinkState, InlayHighlight};
97pub use lsp::CompletionContext;
98use lsp::{CompletionTriggerKind, DiagnosticSeverity, LanguageServerId};
99use mouse_context_menu::MouseContextMenu;
100use movement::TextLayoutDetails;
101pub use multi_buffer::{
102 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
103 ToPoint,
104};
105use multi_buffer::{ExpandExcerptDirection, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16};
106use ordered_float::OrderedFloat;
107use parking_lot::{Mutex, RwLock};
108use project::project_settings::{GitGutterSetting, ProjectSettings};
109use project::{
110 CodeAction, Completion, FormatTrigger, Item, Location, Project, ProjectPath,
111 ProjectTransaction, TaskSourceKind, WorktreeId,
112};
113use rand::prelude::*;
114use rpc::{proto::*, ErrorExt};
115use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};
116use selections_collection::{resolve_multiple, MutableSelectionsCollection, SelectionsCollection};
117use serde::{Deserialize, Serialize};
118use settings::{update_settings_file, Settings, SettingsStore};
119use smallvec::SmallVec;
120use snippet::Snippet;
121use std::{
122 any::TypeId,
123 borrow::Cow,
124 cell::RefCell,
125 cmp::{self, Ordering, Reverse},
126 mem,
127 num::NonZeroU32,
128 ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},
129 path::Path,
130 rc::Rc,
131 sync::Arc,
132 time::{Duration, Instant},
133};
134pub use sum_tree::Bias;
135use sum_tree::TreeMap;
136use text::{BufferId, OffsetUtf16, Rope};
137use theme::{
138 observe_buffer_font_size_adjustment, ActiveTheme, PlayerColor, StatusColors, SyntaxTheme,
139 ThemeColors, ThemeSettings,
140};
141use ui::{
142 h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,
143 ListItem, Popover, Tooltip,
144};
145use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};
146use workspace::item::{ItemHandle, PreviewTabsSettings};
147use workspace::notifications::{DetachAndPromptErr, NotificationId};
148use workspace::{
149 searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,
150};
151use workspace::{OpenInTerminal, OpenTerminal, TabBarSettings, Toast};
152
153use crate::hover_links::find_url;
154
155pub const FILE_HEADER_HEIGHT: u8 = 1;
156pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u8 = 1;
157pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u8 = 1;
158pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;
159const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
160const MAX_LINE_LEN: usize = 1024;
161const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
162const MAX_SELECTION_HISTORY_LEN: usize = 1024;
163pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);
164#[doc(hidden)]
165pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
166#[doc(hidden)]
167pub const DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
168
169pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
170
171pub fn render_parsed_markdown(
172 element_id: impl Into<ElementId>,
173 parsed: &language::ParsedMarkdown,
174 editor_style: &EditorStyle,
175 workspace: Option<WeakView<Workspace>>,
176 cx: &mut WindowContext,
177) -> InteractiveText {
178 let code_span_background_color = cx
179 .theme()
180 .colors()
181 .editor_document_highlight_read_background;
182
183 let highlights = gpui::combine_highlights(
184 parsed.highlights.iter().filter_map(|(range, highlight)| {
185 let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
186 Some((range.clone(), highlight))
187 }),
188 parsed
189 .regions
190 .iter()
191 .zip(&parsed.region_ranges)
192 .filter_map(|(region, range)| {
193 if region.code {
194 Some((
195 range.clone(),
196 HighlightStyle {
197 background_color: Some(code_span_background_color),
198 ..Default::default()
199 },
200 ))
201 } else {
202 None
203 }
204 }),
205 );
206
207 let mut links = Vec::new();
208 let mut link_ranges = Vec::new();
209 for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {
210 if let Some(link) = region.link.clone() {
211 links.push(link);
212 link_ranges.push(range.clone());
213 }
214 }
215
216 InteractiveText::new(
217 element_id,
218 StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),
219 )
220 .on_click(link_ranges, move |clicked_range_ix, cx| {
221 match &links[clicked_range_ix] {
222 markdown::Link::Web { url } => cx.open_url(url),
223 markdown::Link::Path { path } => {
224 if let Some(workspace) = &workspace {
225 _ = workspace.update(cx, |workspace, cx| {
226 workspace.open_abs_path(path.clone(), false, cx).detach();
227 });
228 }
229 }
230 }
231 })
232}
233
234#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
235pub(crate) enum InlayId {
236 Suggestion(usize),
237 Hint(usize),
238}
239
240impl InlayId {
241 fn id(&self) -> usize {
242 match self {
243 Self::Suggestion(id) => *id,
244 Self::Hint(id) => *id,
245 }
246 }
247}
248
249enum DiffRowHighlight {}
250enum DocumentHighlightRead {}
251enum DocumentHighlightWrite {}
252enum InputComposition {}
253
254#[derive(Copy, Clone, PartialEq, Eq)]
255pub enum Direction {
256 Prev,
257 Next,
258}
259
260pub fn init_settings(cx: &mut AppContext) {
261 EditorSettings::register(cx);
262}
263
264pub fn init(cx: &mut AppContext) {
265 init_settings(cx);
266
267 workspace::register_project_item::<Editor>(cx);
268 workspace::register_followable_item::<Editor>(cx);
269 workspace::register_deserializable_item::<Editor>(cx);
270 cx.observe_new_views(
271 |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {
272 workspace.register_action(Editor::new_file);
273 workspace.register_action(Editor::new_file_in_direction);
274 },
275 )
276 .detach();
277
278 cx.on_action(move |_: &workspace::NewFile, cx| {
279 let app_state = workspace::AppState::global(cx);
280 if let Some(app_state) = app_state.upgrade() {
281 workspace::open_new(app_state, cx, |workspace, cx| {
282 Editor::new_file(workspace, &Default::default(), cx)
283 })
284 .detach();
285 }
286 });
287 cx.on_action(move |_: &workspace::NewWindow, cx| {
288 let app_state = workspace::AppState::global(cx);
289 if let Some(app_state) = app_state.upgrade() {
290 workspace::open_new(app_state, cx, |workspace, cx| {
291 Editor::new_file(workspace, &Default::default(), cx)
292 })
293 .detach();
294 }
295 });
296}
297
298pub struct SearchWithinRange;
299
300trait InvalidationRegion {
301 fn ranges(&self) -> &[Range<Anchor>];
302}
303
304#[derive(Clone, Debug, PartialEq)]
305pub enum SelectPhase {
306 Begin {
307 position: DisplayPoint,
308 add: bool,
309 click_count: usize,
310 },
311 BeginColumnar {
312 position: DisplayPoint,
313 reset: bool,
314 goal_column: u32,
315 },
316 Extend {
317 position: DisplayPoint,
318 click_count: usize,
319 },
320 Update {
321 position: DisplayPoint,
322 goal_column: u32,
323 scroll_delta: gpui::Point<f32>,
324 },
325 End,
326}
327
328#[derive(Clone, Debug)]
329pub enum SelectMode {
330 Character,
331 Word(Range<Anchor>),
332 Line(Range<Anchor>),
333 All,
334}
335
336#[derive(Copy, Clone, PartialEq, Eq, Debug)]
337pub enum EditorMode {
338 SingleLine,
339 AutoHeight { max_lines: usize },
340 Full,
341}
342
343#[derive(Clone, Debug)]
344pub enum SoftWrap {
345 None,
346 PreferLine,
347 EditorWidth,
348 Column(u32),
349}
350
351#[derive(Clone)]
352pub struct EditorStyle {
353 pub background: Hsla,
354 pub local_player: PlayerColor,
355 pub text: TextStyle,
356 pub scrollbar_width: Pixels,
357 pub syntax: Arc<SyntaxTheme>,
358 pub status: StatusColors,
359 pub inlay_hints_style: HighlightStyle,
360 pub suggestions_style: HighlightStyle,
361}
362
363impl Default for EditorStyle {
364 fn default() -> Self {
365 Self {
366 background: Hsla::default(),
367 local_player: PlayerColor::default(),
368 text: TextStyle::default(),
369 scrollbar_width: Pixels::default(),
370 syntax: Default::default(),
371 // HACK: Status colors don't have a real default.
372 // We should look into removing the status colors from the editor
373 // style and retrieve them directly from the theme.
374 status: StatusColors::dark(),
375 inlay_hints_style: HighlightStyle::default(),
376 suggestions_style: HighlightStyle::default(),
377 }
378 }
379}
380
381type CompletionId = usize;
382
383#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]
384struct EditorActionId(usize);
385
386impl EditorActionId {
387 pub fn post_inc(&mut self) -> Self {
388 let answer = self.0;
389
390 *self = Self(answer + 1);
391
392 Self(answer)
393 }
394}
395
396// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
397// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
398
399type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);
400type GutterHighlight = (fn(&AppContext) -> Hsla, Arc<[Range<Anchor>]>);
401
402struct ScrollbarMarkerState {
403 scrollbar_size: Size<Pixels>,
404 dirty: bool,
405 markers: Arc<[PaintQuad]>,
406 pending_refresh: Option<Task<Result<()>>>,
407}
408
409impl ScrollbarMarkerState {
410 fn should_refresh(&self, scrollbar_size: Size<Pixels>) -> bool {
411 self.pending_refresh.is_none() && (self.scrollbar_size != scrollbar_size || self.dirty)
412 }
413}
414
415impl Default for ScrollbarMarkerState {
416 fn default() -> Self {
417 Self {
418 scrollbar_size: Size::default(),
419 dirty: false,
420 markers: Arc::from([]),
421 pending_refresh: None,
422 }
423 }
424}
425
426#[derive(Clone, Debug)]
427struct RunnableTasks {
428 templates: Vec<(TaskSourceKind, TaskTemplate)>,
429 offset: MultiBufferOffset,
430 // We need the column at which the task context evaluation should take place (when we're spawning it via gutter).
431 column: u32,
432 // Values of all named captures, including those starting with '_'
433 extra_variables: HashMap<String, String>,
434 // Full range of the tagged region. We use it to determine which `extra_variables` to grab for context resolution in e.g. a modal.
435 context_range: Range<BufferOffset>,
436}
437
438#[derive(Clone)]
439struct ResolvedTasks {
440 templates: SmallVec<[(TaskSourceKind, ResolvedTask); 1]>,
441 position: Anchor,
442}
443#[derive(Copy, Clone, Debug)]
444struct MultiBufferOffset(usize);
445#[derive(Copy, Clone, Debug, PartialEq, PartialOrd)]
446struct BufferOffset(usize);
447/// Zed's primary text input `View`, allowing users to edit a [`MultiBuffer`]
448///
449/// See the [module level documentation](self) for more information.
450pub struct Editor {
451 focus_handle: FocusHandle,
452 last_focused_descendant: Option<WeakFocusHandle>,
453 /// The text buffer being edited
454 buffer: Model<MultiBuffer>,
455 /// Map of how text in the buffer should be displayed.
456 /// Handles soft wraps, folds, fake inlay text insertions, etc.
457 pub display_map: Model<DisplayMap>,
458 pub selections: SelectionsCollection,
459 pub scroll_manager: ScrollManager,
460 columnar_selection_tail: Option<Anchor>,
461 add_selections_state: Option<AddSelectionsState>,
462 select_next_state: Option<SelectNextState>,
463 select_prev_state: Option<SelectNextState>,
464 selection_history: SelectionHistory,
465 autoclose_regions: Vec<AutocloseRegion>,
466 snippet_stack: InvalidationStack<SnippetState>,
467 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
468 ime_transaction: Option<TransactionId>,
469 active_diagnostics: Option<ActiveDiagnosticGroup>,
470 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
471 project: Option<Model<Project>>,
472 completion_provider: Option<Box<dyn CompletionProvider>>,
473 collaboration_hub: Option<Box<dyn CollaborationHub>>,
474 blink_manager: Model<BlinkManager>,
475 show_cursor_names: bool,
476 hovered_cursors: HashMap<HoveredCursor, Task<()>>,
477 pub show_local_selections: bool,
478 mode: EditorMode,
479 show_breadcrumbs: bool,
480 show_gutter: bool,
481 show_line_numbers: Option<bool>,
482 show_git_diff_gutter: Option<bool>,
483 show_code_actions: Option<bool>,
484 show_wrap_guides: Option<bool>,
485 show_indent_guides: Option<bool>,
486 placeholder_text: Option<Arc<str>>,
487 highlight_order: usize,
488 highlighted_rows: HashMap<TypeId, Vec<RowHighlight>>,
489 background_highlights: TreeMap<TypeId, BackgroundHighlight>,
490 gutter_highlights: TreeMap<TypeId, GutterHighlight>,
491 scrollbar_marker_state: ScrollbarMarkerState,
492 active_indent_guides_state: ActiveIndentGuidesState,
493 nav_history: Option<ItemNavHistory>,
494 context_menu: RwLock<Option<ContextMenu>>,
495 mouse_context_menu: Option<MouseContextMenu>,
496 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
497 find_all_references_task_sources: Vec<Anchor>,
498 next_completion_id: CompletionId,
499 completion_documentation_pre_resolve_debounce: DebouncedDelay,
500 available_code_actions: Option<(Location, Arc<[CodeAction]>)>,
501 code_actions_task: Option<Task<()>>,
502 document_highlights_task: Option<Task<()>>,
503 linked_editing_range_task: Option<Task<Option<()>>>,
504 linked_edit_ranges: linked_editing_ranges::LinkedEditingRanges,
505 pending_rename: Option<RenameState>,
506 searchable: bool,
507 cursor_shape: CursorShape,
508 current_line_highlight: Option<CurrentLineHighlight>,
509 collapse_matches: bool,
510 autoindent_mode: Option<AutoindentMode>,
511 workspace: Option<(WeakView<Workspace>, Option<WorkspaceId>)>,
512 keymap_context_layers: BTreeMap<TypeId, KeyContext>,
513 input_enabled: bool,
514 use_modal_editing: bool,
515 read_only: bool,
516 leader_peer_id: Option<PeerId>,
517 remote_id: Option<ViewId>,
518 hover_state: HoverState,
519 gutter_hovered: bool,
520 hovered_link_state: Option<HoveredLinkState>,
521 inline_completion_provider: Option<RegisteredInlineCompletionProvider>,
522 active_inline_completion: Option<Inlay>,
523 show_inline_completions: bool,
524 inlay_hint_cache: InlayHintCache,
525 expanded_hunks: ExpandedHunks,
526 next_inlay_id: usize,
527 _subscriptions: Vec<Subscription>,
528 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
529 gutter_dimensions: GutterDimensions,
530 pub vim_replace_map: HashMap<Range<usize>, String>,
531 style: Option<EditorStyle>,
532 next_editor_action_id: EditorActionId,
533 editor_actions: Rc<RefCell<BTreeMap<EditorActionId, Box<dyn Fn(&mut ViewContext<Self>)>>>>,
534 use_autoclose: bool,
535 auto_replace_emoji_shortcode: bool,
536 show_git_blame_gutter: bool,
537 show_git_blame_inline: bool,
538 show_git_blame_inline_delay_task: Option<Task<()>>,
539 git_blame_inline_enabled: bool,
540 blame: Option<Model<GitBlame>>,
541 blame_subscription: Option<Subscription>,
542 custom_context_menu: Option<
543 Box<
544 dyn 'static
545 + Fn(&mut Self, DisplayPoint, &mut ViewContext<Self>) -> Option<View<ui::ContextMenu>>,
546 >,
547 >,
548 last_bounds: Option<Bounds<Pixels>>,
549 expect_bounds_change: Option<Bounds<Pixels>>,
550 tasks: BTreeMap<(BufferId, BufferRow), RunnableTasks>,
551 tasks_update_task: Option<Task<()>>,
552 previous_search_ranges: Option<Arc<[Range<Anchor>]>>,
553 file_header_size: u8,
554}
555
556#[derive(Clone)]
557pub struct EditorSnapshot {
558 pub mode: EditorMode,
559 show_gutter: bool,
560 show_line_numbers: Option<bool>,
561 show_git_diff_gutter: Option<bool>,
562 show_code_actions: Option<bool>,
563 render_git_blame_gutter: bool,
564 pub display_snapshot: DisplaySnapshot,
565 pub placeholder_text: Option<Arc<str>>,
566 is_focused: bool,
567 scroll_anchor: ScrollAnchor,
568 ongoing_scroll: OngoingScroll,
569 current_line_highlight: CurrentLineHighlight,
570 gutter_hovered: bool,
571}
572
573const GIT_BLAME_GUTTER_WIDTH_CHARS: f32 = 53.;
574
575#[derive(Debug, Clone, Copy)]
576pub struct GutterDimensions {
577 pub left_padding: Pixels,
578 pub right_padding: Pixels,
579 pub width: Pixels,
580 pub margin: Pixels,
581 pub git_blame_entries_width: Option<Pixels>,
582}
583
584impl GutterDimensions {
585 /// The full width of the space taken up by the gutter.
586 pub fn full_width(&self) -> Pixels {
587 self.margin + self.width
588 }
589
590 /// The width of the space reserved for the fold indicators,
591 /// use alongside 'justify_end' and `gutter_width` to
592 /// right align content with the line numbers
593 pub fn fold_area_width(&self) -> Pixels {
594 self.margin + self.right_padding
595 }
596}
597
598impl Default for GutterDimensions {
599 fn default() -> Self {
600 Self {
601 left_padding: Pixels::ZERO,
602 right_padding: Pixels::ZERO,
603 width: Pixels::ZERO,
604 margin: Pixels::ZERO,
605 git_blame_entries_width: None,
606 }
607 }
608}
609
610#[derive(Debug)]
611pub struct RemoteSelection {
612 pub replica_id: ReplicaId,
613 pub selection: Selection<Anchor>,
614 pub cursor_shape: CursorShape,
615 pub peer_id: PeerId,
616 pub line_mode: bool,
617 pub participant_index: Option<ParticipantIndex>,
618 pub user_name: Option<SharedString>,
619}
620
621#[derive(Clone, Debug)]
622struct SelectionHistoryEntry {
623 selections: Arc<[Selection<Anchor>]>,
624 select_next_state: Option<SelectNextState>,
625 select_prev_state: Option<SelectNextState>,
626 add_selections_state: Option<AddSelectionsState>,
627}
628
629enum SelectionHistoryMode {
630 Normal,
631 Undoing,
632 Redoing,
633}
634
635#[derive(Clone, PartialEq, Eq, Hash)]
636struct HoveredCursor {
637 replica_id: u16,
638 selection_id: usize,
639}
640
641impl Default for SelectionHistoryMode {
642 fn default() -> Self {
643 Self::Normal
644 }
645}
646
647#[derive(Default)]
648struct SelectionHistory {
649 #[allow(clippy::type_complexity)]
650 selections_by_transaction:
651 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
652 mode: SelectionHistoryMode,
653 undo_stack: VecDeque<SelectionHistoryEntry>,
654 redo_stack: VecDeque<SelectionHistoryEntry>,
655}
656
657impl SelectionHistory {
658 fn insert_transaction(
659 &mut self,
660 transaction_id: TransactionId,
661 selections: Arc<[Selection<Anchor>]>,
662 ) {
663 self.selections_by_transaction
664 .insert(transaction_id, (selections, None));
665 }
666
667 #[allow(clippy::type_complexity)]
668 fn transaction(
669 &self,
670 transaction_id: TransactionId,
671 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
672 self.selections_by_transaction.get(&transaction_id)
673 }
674
675 #[allow(clippy::type_complexity)]
676 fn transaction_mut(
677 &mut self,
678 transaction_id: TransactionId,
679 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
680 self.selections_by_transaction.get_mut(&transaction_id)
681 }
682
683 fn push(&mut self, entry: SelectionHistoryEntry) {
684 if !entry.selections.is_empty() {
685 match self.mode {
686 SelectionHistoryMode::Normal => {
687 self.push_undo(entry);
688 self.redo_stack.clear();
689 }
690 SelectionHistoryMode::Undoing => self.push_redo(entry),
691 SelectionHistoryMode::Redoing => self.push_undo(entry),
692 }
693 }
694 }
695
696 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
697 if self
698 .undo_stack
699 .back()
700 .map_or(true, |e| e.selections != entry.selections)
701 {
702 self.undo_stack.push_back(entry);
703 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
704 self.undo_stack.pop_front();
705 }
706 }
707 }
708
709 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
710 if self
711 .redo_stack
712 .back()
713 .map_or(true, |e| e.selections != entry.selections)
714 {
715 self.redo_stack.push_back(entry);
716 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
717 self.redo_stack.pop_front();
718 }
719 }
720 }
721}
722
723struct RowHighlight {
724 index: usize,
725 range: RangeInclusive<Anchor>,
726 color: Option<Hsla>,
727 should_autoscroll: bool,
728}
729
730#[derive(Clone, Debug)]
731struct AddSelectionsState {
732 above: bool,
733 stack: Vec<usize>,
734}
735
736#[derive(Clone)]
737struct SelectNextState {
738 query: AhoCorasick,
739 wordwise: bool,
740 done: bool,
741}
742
743impl std::fmt::Debug for SelectNextState {
744 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
745 f.debug_struct(std::any::type_name::<Self>())
746 .field("wordwise", &self.wordwise)
747 .field("done", &self.done)
748 .finish()
749 }
750}
751
752#[derive(Debug)]
753struct AutocloseRegion {
754 selection_id: usize,
755 range: Range<Anchor>,
756 pair: BracketPair,
757}
758
759#[derive(Debug)]
760struct SnippetState {
761 ranges: Vec<Vec<Range<Anchor>>>,
762 active_index: usize,
763}
764
765#[doc(hidden)]
766pub struct RenameState {
767 pub range: Range<Anchor>,
768 pub old_name: Arc<str>,
769 pub editor: View<Editor>,
770 block_id: BlockId,
771}
772
773struct InvalidationStack<T>(Vec<T>);
774
775struct RegisteredInlineCompletionProvider {
776 provider: Arc<dyn InlineCompletionProviderHandle>,
777 _subscription: Subscription,
778}
779
780enum ContextMenu {
781 Completions(CompletionsMenu),
782 CodeActions(CodeActionsMenu),
783}
784
785impl ContextMenu {
786 fn select_first(
787 &mut self,
788 project: Option<&Model<Project>>,
789 cx: &mut ViewContext<Editor>,
790 ) -> bool {
791 if self.visible() {
792 match self {
793 ContextMenu::Completions(menu) => menu.select_first(project, cx),
794 ContextMenu::CodeActions(menu) => menu.select_first(cx),
795 }
796 true
797 } else {
798 false
799 }
800 }
801
802 fn select_prev(
803 &mut self,
804 project: Option<&Model<Project>>,
805 cx: &mut ViewContext<Editor>,
806 ) -> bool {
807 if self.visible() {
808 match self {
809 ContextMenu::Completions(menu) => menu.select_prev(project, cx),
810 ContextMenu::CodeActions(menu) => menu.select_prev(cx),
811 }
812 true
813 } else {
814 false
815 }
816 }
817
818 fn select_next(
819 &mut self,
820 project: Option<&Model<Project>>,
821 cx: &mut ViewContext<Editor>,
822 ) -> bool {
823 if self.visible() {
824 match self {
825 ContextMenu::Completions(menu) => menu.select_next(project, cx),
826 ContextMenu::CodeActions(menu) => menu.select_next(cx),
827 }
828 true
829 } else {
830 false
831 }
832 }
833
834 fn select_last(
835 &mut self,
836 project: Option<&Model<Project>>,
837 cx: &mut ViewContext<Editor>,
838 ) -> bool {
839 if self.visible() {
840 match self {
841 ContextMenu::Completions(menu) => menu.select_last(project, cx),
842 ContextMenu::CodeActions(menu) => menu.select_last(cx),
843 }
844 true
845 } else {
846 false
847 }
848 }
849
850 fn visible(&self) -> bool {
851 match self {
852 ContextMenu::Completions(menu) => menu.visible(),
853 ContextMenu::CodeActions(menu) => menu.visible(),
854 }
855 }
856
857 fn render(
858 &self,
859 cursor_position: DisplayPoint,
860 style: &EditorStyle,
861 max_height: Pixels,
862 workspace: Option<WeakView<Workspace>>,
863 cx: &mut ViewContext<Editor>,
864 ) -> (ContextMenuOrigin, AnyElement) {
865 match self {
866 ContextMenu::Completions(menu) => (
867 ContextMenuOrigin::EditorPoint(cursor_position),
868 menu.render(style, max_height, workspace, cx),
869 ),
870 ContextMenu::CodeActions(menu) => menu.render(cursor_position, style, max_height, cx),
871 }
872 }
873}
874
875enum ContextMenuOrigin {
876 EditorPoint(DisplayPoint),
877 GutterIndicator(DisplayRow),
878}
879
880#[derive(Clone)]
881struct CompletionsMenu {
882 id: CompletionId,
883 initial_position: Anchor,
884 buffer: Model<Buffer>,
885 completions: Arc<RwLock<Box<[Completion]>>>,
886 match_candidates: Arc<[StringMatchCandidate]>,
887 matches: Arc<[StringMatch]>,
888 selected_item: usize,
889 scroll_handle: UniformListScrollHandle,
890 selected_completion_documentation_resolve_debounce: Arc<Mutex<DebouncedDelay>>,
891}
892
893impl CompletionsMenu {
894 fn select_first(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
895 self.selected_item = 0;
896 self.scroll_handle.scroll_to_item(self.selected_item);
897 self.attempt_resolve_selected_completion_documentation(project, cx);
898 cx.notify();
899 }
900
901 fn select_prev(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
902 if self.selected_item > 0 {
903 self.selected_item -= 1;
904 } else {
905 self.selected_item = self.matches.len() - 1;
906 }
907 self.scroll_handle.scroll_to_item(self.selected_item);
908 self.attempt_resolve_selected_completion_documentation(project, cx);
909 cx.notify();
910 }
911
912 fn select_next(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
913 if self.selected_item + 1 < self.matches.len() {
914 self.selected_item += 1;
915 } else {
916 self.selected_item = 0;
917 }
918 self.scroll_handle.scroll_to_item(self.selected_item);
919 self.attempt_resolve_selected_completion_documentation(project, cx);
920 cx.notify();
921 }
922
923 fn select_last(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
924 self.selected_item = self.matches.len() - 1;
925 self.scroll_handle.scroll_to_item(self.selected_item);
926 self.attempt_resolve_selected_completion_documentation(project, cx);
927 cx.notify();
928 }
929
930 fn pre_resolve_completion_documentation(
931 buffer: Model<Buffer>,
932 completions: Arc<RwLock<Box<[Completion]>>>,
933 matches: Arc<[StringMatch]>,
934 editor: &Editor,
935 cx: &mut ViewContext<Editor>,
936 ) -> Task<()> {
937 let settings = EditorSettings::get_global(cx);
938 if !settings.show_completion_documentation {
939 return Task::ready(());
940 }
941
942 let Some(provider) = editor.completion_provider.as_ref() else {
943 return Task::ready(());
944 };
945
946 let resolve_task = provider.resolve_completions(
947 buffer,
948 matches.iter().map(|m| m.candidate_id).collect(),
949 completions.clone(),
950 cx,
951 );
952
953 return cx.spawn(move |this, mut cx| async move {
954 if let Some(true) = resolve_task.await.log_err() {
955 this.update(&mut cx, |_, cx| cx.notify()).ok();
956 }
957 });
958 }
959
960 fn attempt_resolve_selected_completion_documentation(
961 &mut self,
962 project: Option<&Model<Project>>,
963 cx: &mut ViewContext<Editor>,
964 ) {
965 let settings = EditorSettings::get_global(cx);
966 if !settings.show_completion_documentation {
967 return;
968 }
969
970 let completion_index = self.matches[self.selected_item].candidate_id;
971 let Some(project) = project else {
972 return;
973 };
974
975 let resolve_task = project.update(cx, |project, cx| {
976 project.resolve_completions(
977 self.buffer.clone(),
978 vec![completion_index],
979 self.completions.clone(),
980 cx,
981 )
982 });
983
984 let delay_ms =
985 EditorSettings::get_global(cx).completion_documentation_secondary_query_debounce;
986 let delay = Duration::from_millis(delay_ms);
987
988 self.selected_completion_documentation_resolve_debounce
989 .lock()
990 .fire_new(delay, cx, |_, cx| {
991 cx.spawn(move |this, mut cx| async move {
992 if let Some(true) = resolve_task.await.log_err() {
993 this.update(&mut cx, |_, cx| cx.notify()).ok();
994 }
995 })
996 });
997 }
998
999 fn visible(&self) -> bool {
1000 !self.matches.is_empty()
1001 }
1002
1003 fn render(
1004 &self,
1005 style: &EditorStyle,
1006 max_height: Pixels,
1007 workspace: Option<WeakView<Workspace>>,
1008 cx: &mut ViewContext<Editor>,
1009 ) -> AnyElement {
1010 let settings = EditorSettings::get_global(cx);
1011 let show_completion_documentation = settings.show_completion_documentation;
1012
1013 let widest_completion_ix = self
1014 .matches
1015 .iter()
1016 .enumerate()
1017 .max_by_key(|(_, mat)| {
1018 let completions = self.completions.read();
1019 let completion = &completions[mat.candidate_id];
1020 let documentation = &completion.documentation;
1021
1022 let mut len = completion.label.text.chars().count();
1023 if let Some(Documentation::SingleLine(text)) = documentation {
1024 if show_completion_documentation {
1025 len += text.chars().count();
1026 }
1027 }
1028
1029 len
1030 })
1031 .map(|(ix, _)| ix);
1032
1033 let completions = self.completions.clone();
1034 let matches = self.matches.clone();
1035 let selected_item = self.selected_item;
1036 let style = style.clone();
1037
1038 let multiline_docs = if show_completion_documentation {
1039 let mat = &self.matches[selected_item];
1040 let multiline_docs = match &self.completions.read()[mat.candidate_id].documentation {
1041 Some(Documentation::MultiLinePlainText(text)) => {
1042 Some(div().child(SharedString::from(text.clone())))
1043 }
1044 Some(Documentation::MultiLineMarkdown(parsed)) if !parsed.text.is_empty() => {
1045 Some(div().child(render_parsed_markdown(
1046 "completions_markdown",
1047 parsed,
1048 &style,
1049 workspace,
1050 cx,
1051 )))
1052 }
1053 _ => None,
1054 };
1055 multiline_docs.map(|div| {
1056 div.id("multiline_docs")
1057 .max_h(max_height)
1058 .flex_1()
1059 .px_1p5()
1060 .py_1()
1061 .min_w(px(260.))
1062 .max_w(px(640.))
1063 .w(px(500.))
1064 .overflow_y_scroll()
1065 .occlude()
1066 })
1067 } else {
1068 None
1069 };
1070
1071 let list = uniform_list(
1072 cx.view().clone(),
1073 "completions",
1074 matches.len(),
1075 move |_editor, range, cx| {
1076 let start_ix = range.start;
1077 let completions_guard = completions.read();
1078
1079 matches[range]
1080 .iter()
1081 .enumerate()
1082 .map(|(ix, mat)| {
1083 let item_ix = start_ix + ix;
1084 let candidate_id = mat.candidate_id;
1085 let completion = &completions_guard[candidate_id];
1086
1087 let documentation = if show_completion_documentation {
1088 &completion.documentation
1089 } else {
1090 &None
1091 };
1092
1093 let highlights = gpui::combine_highlights(
1094 mat.ranges().map(|range| (range, FontWeight::BOLD.into())),
1095 styled_runs_for_code_label(&completion.label, &style.syntax).map(
1096 |(range, mut highlight)| {
1097 // Ignore font weight for syntax highlighting, as we'll use it
1098 // for fuzzy matches.
1099 highlight.font_weight = None;
1100
1101 if completion.lsp_completion.deprecated.unwrap_or(false) {
1102 highlight.strikethrough = Some(StrikethroughStyle {
1103 thickness: 1.0.into(),
1104 ..Default::default()
1105 });
1106 highlight.color = Some(cx.theme().colors().text_muted);
1107 }
1108
1109 (range, highlight)
1110 },
1111 ),
1112 );
1113 let completion_label = StyledText::new(completion.label.text.clone())
1114 .with_highlights(&style.text, highlights);
1115 let documentation_label =
1116 if let Some(Documentation::SingleLine(text)) = documentation {
1117 if text.trim().is_empty() {
1118 None
1119 } else {
1120 Some(
1121 h_flex().ml_4().child(
1122 Label::new(text.clone())
1123 .size(LabelSize::Small)
1124 .color(Color::Muted),
1125 ),
1126 )
1127 }
1128 } else {
1129 None
1130 };
1131
1132 div().min_w(px(220.)).max_w(px(540.)).child(
1133 ListItem::new(mat.candidate_id)
1134 .inset(true)
1135 .selected(item_ix == selected_item)
1136 .on_click(cx.listener(move |editor, _event, cx| {
1137 cx.stop_propagation();
1138 if let Some(task) = editor.confirm_completion(
1139 &ConfirmCompletion {
1140 item_ix: Some(item_ix),
1141 },
1142 cx,
1143 ) {
1144 task.detach_and_log_err(cx)
1145 }
1146 }))
1147 .child(h_flex().overflow_hidden().child(completion_label))
1148 .end_slot::<Div>(documentation_label),
1149 )
1150 })
1151 .collect()
1152 },
1153 )
1154 .occlude()
1155 .max_h(max_height)
1156 .track_scroll(self.scroll_handle.clone())
1157 .with_width_from_item(widest_completion_ix)
1158 .with_sizing_behavior(ListSizingBehavior::Infer);
1159
1160 Popover::new()
1161 .child(list)
1162 .when_some(multiline_docs, |popover, multiline_docs| {
1163 popover.aside(multiline_docs)
1164 })
1165 .into_any_element()
1166 }
1167
1168 pub async fn filter(&mut self, query: Option<&str>, executor: BackgroundExecutor) {
1169 let mut matches = if let Some(query) = query {
1170 fuzzy::match_strings(
1171 &self.match_candidates,
1172 query,
1173 query.chars().any(|c| c.is_uppercase()),
1174 100,
1175 &Default::default(),
1176 executor,
1177 )
1178 .await
1179 } else {
1180 self.match_candidates
1181 .iter()
1182 .enumerate()
1183 .map(|(candidate_id, candidate)| StringMatch {
1184 candidate_id,
1185 score: Default::default(),
1186 positions: Default::default(),
1187 string: candidate.string.clone(),
1188 })
1189 .collect()
1190 };
1191
1192 // Remove all candidates where the query's start does not match the start of any word in the candidate
1193 if let Some(query) = query {
1194 if let Some(query_start) = query.chars().next() {
1195 matches.retain(|string_match| {
1196 split_words(&string_match.string).any(|word| {
1197 // Check that the first codepoint of the word as lowercase matches the first
1198 // codepoint of the query as lowercase
1199 word.chars()
1200 .flat_map(|codepoint| codepoint.to_lowercase())
1201 .zip(query_start.to_lowercase())
1202 .all(|(word_cp, query_cp)| word_cp == query_cp)
1203 })
1204 });
1205 }
1206 }
1207
1208 let completions = self.completions.read();
1209 matches.sort_unstable_by_key(|mat| {
1210 // We do want to strike a balance here between what the language server tells us
1211 // to sort by (the sort_text) and what are "obvious" good matches (i.e. when you type
1212 // `Creat` and there is a local variable called `CreateComponent`).
1213 // So what we do is: we bucket all matches into two buckets
1214 // - Strong matches
1215 // - Weak matches
1216 // Strong matches are the ones with a high fuzzy-matcher score (the "obvious" matches)
1217 // and the Weak matches are the rest.
1218 //
1219 // For the strong matches, we sort by the language-servers score first and for the weak
1220 // matches, we prefer our fuzzy finder first.
1221 //
1222 // The thinking behind that: it's useless to take the sort_text the language-server gives
1223 // us into account when it's obviously a bad match.
1224
1225 #[derive(PartialEq, Eq, PartialOrd, Ord)]
1226 enum MatchScore<'a> {
1227 Strong {
1228 sort_text: Option<&'a str>,
1229 score: Reverse<OrderedFloat<f64>>,
1230 sort_key: (usize, &'a str),
1231 },
1232 Weak {
1233 score: Reverse<OrderedFloat<f64>>,
1234 sort_text: Option<&'a str>,
1235 sort_key: (usize, &'a str),
1236 },
1237 }
1238
1239 let completion = &completions[mat.candidate_id];
1240 let sort_key = completion.sort_key();
1241 let sort_text = completion.lsp_completion.sort_text.as_deref();
1242 let score = Reverse(OrderedFloat(mat.score));
1243
1244 if mat.score >= 0.2 {
1245 MatchScore::Strong {
1246 sort_text,
1247 score,
1248 sort_key,
1249 }
1250 } else {
1251 MatchScore::Weak {
1252 score,
1253 sort_text,
1254 sort_key,
1255 }
1256 }
1257 });
1258
1259 for mat in &mut matches {
1260 let completion = &completions[mat.candidate_id];
1261 mat.string.clone_from(&completion.label.text);
1262 for position in &mut mat.positions {
1263 *position += completion.label.filter_range.start;
1264 }
1265 }
1266 drop(completions);
1267
1268 self.matches = matches.into();
1269 self.selected_item = 0;
1270 }
1271}
1272
1273#[derive(Clone)]
1274struct CodeActionContents {
1275 tasks: Option<Arc<ResolvedTasks>>,
1276 actions: Option<Arc<[CodeAction]>>,
1277}
1278
1279impl CodeActionContents {
1280 fn len(&self) -> usize {
1281 match (&self.tasks, &self.actions) {
1282 (Some(tasks), Some(actions)) => actions.len() + tasks.templates.len(),
1283 (Some(tasks), None) => tasks.templates.len(),
1284 (None, Some(actions)) => actions.len(),
1285 (None, None) => 0,
1286 }
1287 }
1288
1289 fn is_empty(&self) -> bool {
1290 match (&self.tasks, &self.actions) {
1291 (Some(tasks), Some(actions)) => actions.is_empty() && tasks.templates.is_empty(),
1292 (Some(tasks), None) => tasks.templates.is_empty(),
1293 (None, Some(actions)) => actions.is_empty(),
1294 (None, None) => true,
1295 }
1296 }
1297
1298 fn iter(&self) -> impl Iterator<Item = CodeActionsItem> + '_ {
1299 self.tasks
1300 .iter()
1301 .flat_map(|tasks| {
1302 tasks
1303 .templates
1304 .iter()
1305 .map(|(kind, task)| CodeActionsItem::Task(kind.clone(), task.clone()))
1306 })
1307 .chain(self.actions.iter().flat_map(|actions| {
1308 actions
1309 .iter()
1310 .map(|action| CodeActionsItem::CodeAction(action.clone()))
1311 }))
1312 }
1313 fn get(&self, index: usize) -> Option<CodeActionsItem> {
1314 match (&self.tasks, &self.actions) {
1315 (Some(tasks), Some(actions)) => {
1316 if index < tasks.templates.len() {
1317 tasks
1318 .templates
1319 .get(index)
1320 .cloned()
1321 .map(|(kind, task)| CodeActionsItem::Task(kind, task))
1322 } else {
1323 actions
1324 .get(index - tasks.templates.len())
1325 .cloned()
1326 .map(CodeActionsItem::CodeAction)
1327 }
1328 }
1329 (Some(tasks), None) => tasks
1330 .templates
1331 .get(index)
1332 .cloned()
1333 .map(|(kind, task)| CodeActionsItem::Task(kind, task)),
1334 (None, Some(actions)) => actions.get(index).cloned().map(CodeActionsItem::CodeAction),
1335 (None, None) => None,
1336 }
1337 }
1338}
1339
1340#[allow(clippy::large_enum_variant)]
1341#[derive(Clone)]
1342enum CodeActionsItem {
1343 Task(TaskSourceKind, ResolvedTask),
1344 CodeAction(CodeAction),
1345}
1346
1347impl CodeActionsItem {
1348 fn as_task(&self) -> Option<&ResolvedTask> {
1349 let Self::Task(_, task) = self else {
1350 return None;
1351 };
1352 Some(task)
1353 }
1354 fn as_code_action(&self) -> Option<&CodeAction> {
1355 let Self::CodeAction(action) = self else {
1356 return None;
1357 };
1358 Some(action)
1359 }
1360 fn label(&self) -> String {
1361 match self {
1362 Self::CodeAction(action) => action.lsp_action.title.clone(),
1363 Self::Task(_, task) => task.resolved_label.clone(),
1364 }
1365 }
1366}
1367
1368struct CodeActionsMenu {
1369 actions: CodeActionContents,
1370 buffer: Model<Buffer>,
1371 selected_item: usize,
1372 scroll_handle: UniformListScrollHandle,
1373 deployed_from_indicator: Option<DisplayRow>,
1374}
1375
1376impl CodeActionsMenu {
1377 fn select_first(&mut self, cx: &mut ViewContext<Editor>) {
1378 self.selected_item = 0;
1379 self.scroll_handle.scroll_to_item(self.selected_item);
1380 cx.notify()
1381 }
1382
1383 fn select_prev(&mut self, cx: &mut ViewContext<Editor>) {
1384 if self.selected_item > 0 {
1385 self.selected_item -= 1;
1386 } else {
1387 self.selected_item = self.actions.len() - 1;
1388 }
1389 self.scroll_handle.scroll_to_item(self.selected_item);
1390 cx.notify();
1391 }
1392
1393 fn select_next(&mut self, cx: &mut ViewContext<Editor>) {
1394 if self.selected_item + 1 < self.actions.len() {
1395 self.selected_item += 1;
1396 } else {
1397 self.selected_item = 0;
1398 }
1399 self.scroll_handle.scroll_to_item(self.selected_item);
1400 cx.notify();
1401 }
1402
1403 fn select_last(&mut self, cx: &mut ViewContext<Editor>) {
1404 self.selected_item = self.actions.len() - 1;
1405 self.scroll_handle.scroll_to_item(self.selected_item);
1406 cx.notify()
1407 }
1408
1409 fn visible(&self) -> bool {
1410 !self.actions.is_empty()
1411 }
1412
1413 fn render(
1414 &self,
1415 cursor_position: DisplayPoint,
1416 _style: &EditorStyle,
1417 max_height: Pixels,
1418 cx: &mut ViewContext<Editor>,
1419 ) -> (ContextMenuOrigin, AnyElement) {
1420 let actions = self.actions.clone();
1421 let selected_item = self.selected_item;
1422 let element = uniform_list(
1423 cx.view().clone(),
1424 "code_actions_menu",
1425 self.actions.len(),
1426 move |_this, range, cx| {
1427 actions
1428 .iter()
1429 .skip(range.start)
1430 .take(range.end - range.start)
1431 .enumerate()
1432 .map(|(ix, action)| {
1433 let item_ix = range.start + ix;
1434 let selected = selected_item == item_ix;
1435 let colors = cx.theme().colors();
1436 div()
1437 .px_2()
1438 .text_color(colors.text)
1439 .when(selected, |style| {
1440 style
1441 .bg(colors.element_active)
1442 .text_color(colors.text_accent)
1443 })
1444 .hover(|style| {
1445 style
1446 .bg(colors.element_hover)
1447 .text_color(colors.text_accent)
1448 })
1449 .whitespace_nowrap()
1450 .when_some(action.as_code_action(), |this, action| {
1451 this.on_mouse_down(
1452 MouseButton::Left,
1453 cx.listener(move |editor, _, cx| {
1454 cx.stop_propagation();
1455 if let Some(task) = editor.confirm_code_action(
1456 &ConfirmCodeAction {
1457 item_ix: Some(item_ix),
1458 },
1459 cx,
1460 ) {
1461 task.detach_and_log_err(cx)
1462 }
1463 }),
1464 )
1465 // TASK: It would be good to make lsp_action.title a SharedString to avoid allocating here.
1466 .child(SharedString::from(action.lsp_action.title.clone()))
1467 })
1468 .when_some(action.as_task(), |this, task| {
1469 this.on_mouse_down(
1470 MouseButton::Left,
1471 cx.listener(move |editor, _, cx| {
1472 cx.stop_propagation();
1473 if let Some(task) = editor.confirm_code_action(
1474 &ConfirmCodeAction {
1475 item_ix: Some(item_ix),
1476 },
1477 cx,
1478 ) {
1479 task.detach_and_log_err(cx)
1480 }
1481 }),
1482 )
1483 .child(SharedString::from(task.resolved_label.clone()))
1484 })
1485 })
1486 .collect()
1487 },
1488 )
1489 .elevation_1(cx)
1490 .px_2()
1491 .py_1()
1492 .max_h(max_height)
1493 .occlude()
1494 .track_scroll(self.scroll_handle.clone())
1495 .with_width_from_item(
1496 self.actions
1497 .iter()
1498 .enumerate()
1499 .max_by_key(|(_, action)| match action {
1500 CodeActionsItem::Task(_, task) => task.resolved_label.chars().count(),
1501 CodeActionsItem::CodeAction(action) => action.lsp_action.title.chars().count(),
1502 })
1503 .map(|(ix, _)| ix),
1504 )
1505 .with_sizing_behavior(ListSizingBehavior::Infer)
1506 .into_any_element();
1507
1508 let cursor_position = if let Some(row) = self.deployed_from_indicator {
1509 ContextMenuOrigin::GutterIndicator(row)
1510 } else {
1511 ContextMenuOrigin::EditorPoint(cursor_position)
1512 };
1513
1514 (cursor_position, element)
1515 }
1516}
1517
1518#[derive(Debug)]
1519struct ActiveDiagnosticGroup {
1520 primary_range: Range<Anchor>,
1521 primary_message: String,
1522 group_id: usize,
1523 blocks: HashMap<BlockId, Diagnostic>,
1524 is_valid: bool,
1525}
1526
1527#[derive(Serialize, Deserialize, Clone, Debug)]
1528pub struct ClipboardSelection {
1529 pub len: usize,
1530 pub is_entire_line: bool,
1531 pub first_line_indent: u32,
1532}
1533
1534#[derive(Debug)]
1535pub(crate) struct NavigationData {
1536 cursor_anchor: Anchor,
1537 cursor_position: Point,
1538 scroll_anchor: ScrollAnchor,
1539 scroll_top_row: u32,
1540}
1541
1542enum GotoDefinitionKind {
1543 Symbol,
1544 Type,
1545 Implementation,
1546}
1547
1548#[derive(Debug, Clone)]
1549enum InlayHintRefreshReason {
1550 Toggle(bool),
1551 SettingsChange(InlayHintSettings),
1552 NewLinesShown,
1553 BufferEdited(HashSet<Arc<Language>>),
1554 RefreshRequested,
1555 ExcerptsRemoved(Vec<ExcerptId>),
1556}
1557
1558impl InlayHintRefreshReason {
1559 fn description(&self) -> &'static str {
1560 match self {
1561 Self::Toggle(_) => "toggle",
1562 Self::SettingsChange(_) => "settings change",
1563 Self::NewLinesShown => "new lines shown",
1564 Self::BufferEdited(_) => "buffer edited",
1565 Self::RefreshRequested => "refresh requested",
1566 Self::ExcerptsRemoved(_) => "excerpts removed",
1567 }
1568 }
1569}
1570
1571impl Editor {
1572 pub fn single_line(cx: &mut ViewContext<Self>) -> Self {
1573 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1574 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1575 Self::new(EditorMode::SingleLine, buffer, None, false, cx)
1576 }
1577
1578 pub fn multi_line(cx: &mut ViewContext<Self>) -> Self {
1579 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1580 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1581 Self::new(EditorMode::Full, buffer, None, false, cx)
1582 }
1583
1584 pub fn auto_height(max_lines: usize, cx: &mut ViewContext<Self>) -> Self {
1585 let buffer = cx.new_model(|cx| Buffer::local("", cx));
1586 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1587 Self::new(
1588 EditorMode::AutoHeight { max_lines },
1589 buffer,
1590 None,
1591 false,
1592 cx,
1593 )
1594 }
1595
1596 pub fn for_buffer(
1597 buffer: Model<Buffer>,
1598 project: Option<Model<Project>>,
1599 cx: &mut ViewContext<Self>,
1600 ) -> Self {
1601 let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
1602 Self::new(EditorMode::Full, buffer, project, false, cx)
1603 }
1604
1605 pub fn for_multibuffer(
1606 buffer: Model<MultiBuffer>,
1607 project: Option<Model<Project>>,
1608 show_excerpt_controls: bool,
1609 cx: &mut ViewContext<Self>,
1610 ) -> Self {
1611 Self::new(EditorMode::Full, buffer, project, show_excerpt_controls, cx)
1612 }
1613
1614 pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
1615 let show_excerpt_controls = self.display_map.read(cx).show_excerpt_controls();
1616 let mut clone = Self::new(
1617 self.mode,
1618 self.buffer.clone(),
1619 self.project.clone(),
1620 show_excerpt_controls,
1621 cx,
1622 );
1623 self.display_map.update(cx, |display_map, cx| {
1624 let snapshot = display_map.snapshot(cx);
1625 clone.display_map.update(cx, |display_map, cx| {
1626 display_map.set_state(&snapshot, cx);
1627 });
1628 });
1629 clone.selections.clone_state(&self.selections);
1630 clone.scroll_manager.clone_state(&self.scroll_manager);
1631 clone.searchable = self.searchable;
1632 clone
1633 }
1634
1635 fn new(
1636 mode: EditorMode,
1637 buffer: Model<MultiBuffer>,
1638 project: Option<Model<Project>>,
1639 show_excerpt_controls: bool,
1640 cx: &mut ViewContext<Self>,
1641 ) -> Self {
1642 let style = cx.text_style();
1643 let font_size = style.font_size.to_pixels(cx.rem_size());
1644 let editor = cx.view().downgrade();
1645 let fold_placeholder = FoldPlaceholder {
1646 constrain_width: true,
1647 render: Arc::new(move |fold_id, fold_range, cx| {
1648 let editor = editor.clone();
1649 div()
1650 .id(fold_id)
1651 .bg(cx.theme().colors().ghost_element_background)
1652 .hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
1653 .active(|style| style.bg(cx.theme().colors().ghost_element_active))
1654 .rounded_sm()
1655 .size_full()
1656 .cursor_pointer()
1657 .child("⋯")
1658 .on_mouse_down(MouseButton::Left, |_, cx| cx.stop_propagation())
1659 .on_click(move |_, cx| {
1660 editor
1661 .update(cx, |editor, cx| {
1662 editor.unfold_ranges(
1663 [fold_range.start..fold_range.end],
1664 true,
1665 false,
1666 cx,
1667 );
1668 cx.stop_propagation();
1669 })
1670 .ok();
1671 })
1672 .into_any()
1673 }),
1674 merge_adjacent: true,
1675 };
1676 let file_header_size = if show_excerpt_controls { 3 } else { 2 };
1677 let display_map = cx.new_model(|cx| {
1678 DisplayMap::new(
1679 buffer.clone(),
1680 style.font(),
1681 font_size,
1682 None,
1683 show_excerpt_controls,
1684 file_header_size,
1685 MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
1686 MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT,
1687 fold_placeholder,
1688 cx,
1689 )
1690 });
1691
1692 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1693
1694 let blink_manager = cx.new_model(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1695
1696 let soft_wrap_mode_override =
1697 (mode == EditorMode::SingleLine).then(|| language_settings::SoftWrap::PreferLine);
1698
1699 let mut project_subscriptions = Vec::new();
1700 if mode == EditorMode::Full {
1701 if let Some(project) = project.as_ref() {
1702 if buffer.read(cx).is_singleton() {
1703 project_subscriptions.push(cx.observe(project, |_, _, cx| {
1704 cx.emit(EditorEvent::TitleChanged);
1705 }));
1706 }
1707 project_subscriptions.push(cx.subscribe(project, |editor, _, event, cx| {
1708 if let project::Event::RefreshInlayHints = event {
1709 editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1710 } else if let project::Event::SnippetEdit(id, snippet_edits) = event {
1711 if let Some(buffer) = editor.buffer.read(cx).buffer(*id) {
1712 let focus_handle = editor.focus_handle(cx);
1713 if focus_handle.is_focused(cx) {
1714 let snapshot = buffer.read(cx).snapshot();
1715 for (range, snippet) in snippet_edits {
1716 let editor_range =
1717 language::range_from_lsp(*range).to_offset(&snapshot);
1718 editor
1719 .insert_snippet(&[editor_range], snippet.clone(), cx)
1720 .ok();
1721 }
1722 }
1723 }
1724 }
1725 }));
1726 let task_inventory = project.read(cx).task_inventory().clone();
1727 project_subscriptions.push(cx.observe(&task_inventory, |editor, _, cx| {
1728 editor.tasks_update_task = Some(editor.refresh_runnables(cx));
1729 }));
1730 }
1731 }
1732
1733 let inlay_hint_settings = inlay_hint_settings(
1734 selections.newest_anchor().head(),
1735 &buffer.read(cx).snapshot(cx),
1736 cx,
1737 );
1738 let focus_handle = cx.focus_handle();
1739 cx.on_focus(&focus_handle, Self::handle_focus).detach();
1740 cx.on_focus_out(&focus_handle, Self::handle_focus_out)
1741 .detach();
1742 cx.on_blur(&focus_handle, Self::handle_blur).detach();
1743
1744 let show_indent_guides = if mode == EditorMode::SingleLine {
1745 Some(false)
1746 } else {
1747 None
1748 };
1749
1750 let mut this = Self {
1751 focus_handle,
1752 last_focused_descendant: None,
1753 buffer: buffer.clone(),
1754 display_map: display_map.clone(),
1755 selections,
1756 scroll_manager: ScrollManager::new(cx),
1757 columnar_selection_tail: None,
1758 add_selections_state: None,
1759 select_next_state: None,
1760 select_prev_state: None,
1761 selection_history: Default::default(),
1762 autoclose_regions: Default::default(),
1763 snippet_stack: Default::default(),
1764 select_larger_syntax_node_stack: Vec::new(),
1765 ime_transaction: Default::default(),
1766 active_diagnostics: None,
1767 soft_wrap_mode_override,
1768 completion_provider: project.clone().map(|project| Box::new(project) as _),
1769 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1770 project,
1771 blink_manager: blink_manager.clone(),
1772 show_local_selections: true,
1773 mode,
1774 show_breadcrumbs: EditorSettings::get_global(cx).toolbar.breadcrumbs,
1775 show_gutter: mode == EditorMode::Full,
1776 show_line_numbers: None,
1777 show_git_diff_gutter: None,
1778 show_code_actions: None,
1779 show_wrap_guides: None,
1780 show_indent_guides,
1781 placeholder_text: None,
1782 highlight_order: 0,
1783 highlighted_rows: HashMap::default(),
1784 background_highlights: Default::default(),
1785 gutter_highlights: TreeMap::default(),
1786 scrollbar_marker_state: ScrollbarMarkerState::default(),
1787 active_indent_guides_state: ActiveIndentGuidesState::default(),
1788 nav_history: None,
1789 context_menu: RwLock::new(None),
1790 mouse_context_menu: None,
1791 completion_tasks: Default::default(),
1792 find_all_references_task_sources: Vec::new(),
1793 next_completion_id: 0,
1794 completion_documentation_pre_resolve_debounce: DebouncedDelay::new(),
1795 next_inlay_id: 0,
1796 available_code_actions: Default::default(),
1797 code_actions_task: Default::default(),
1798 document_highlights_task: Default::default(),
1799 linked_editing_range_task: Default::default(),
1800 pending_rename: Default::default(),
1801 searchable: true,
1802 cursor_shape: Default::default(),
1803 current_line_highlight: None,
1804 autoindent_mode: Some(AutoindentMode::EachLine),
1805 collapse_matches: false,
1806 workspace: None,
1807 keymap_context_layers: Default::default(),
1808 input_enabled: true,
1809 use_modal_editing: mode == EditorMode::Full,
1810 read_only: false,
1811 use_autoclose: true,
1812 auto_replace_emoji_shortcode: false,
1813 leader_peer_id: None,
1814 remote_id: None,
1815 hover_state: Default::default(),
1816 hovered_link_state: Default::default(),
1817 inline_completion_provider: None,
1818 active_inline_completion: None,
1819 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1820 expanded_hunks: ExpandedHunks::default(),
1821 gutter_hovered: false,
1822 pixel_position_of_newest_cursor: None,
1823 last_bounds: None,
1824 expect_bounds_change: None,
1825 gutter_dimensions: GutterDimensions::default(),
1826 style: None,
1827 show_cursor_names: false,
1828 hovered_cursors: Default::default(),
1829 next_editor_action_id: EditorActionId::default(),
1830 editor_actions: Rc::default(),
1831 vim_replace_map: Default::default(),
1832 show_inline_completions: mode == EditorMode::Full,
1833 custom_context_menu: None,
1834 show_git_blame_gutter: false,
1835 show_git_blame_inline: false,
1836 show_git_blame_inline_delay_task: None,
1837 git_blame_inline_enabled: ProjectSettings::get_global(cx).git.inline_blame_enabled(),
1838 blame: None,
1839 blame_subscription: None,
1840 file_header_size,
1841 tasks: Default::default(),
1842 _subscriptions: vec![
1843 cx.observe(&buffer, Self::on_buffer_changed),
1844 cx.subscribe(&buffer, Self::on_buffer_event),
1845 cx.observe(&display_map, Self::on_display_map_changed),
1846 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1847 cx.observe_global::<SettingsStore>(Self::settings_changed),
1848 observe_buffer_font_size_adjustment(cx, |_, cx| cx.notify()),
1849 cx.observe_window_activation(|editor, cx| {
1850 let active = cx.is_window_active();
1851 editor.blink_manager.update(cx, |blink_manager, cx| {
1852 if active {
1853 blink_manager.enable(cx);
1854 } else {
1855 blink_manager.show_cursor(cx);
1856 blink_manager.disable(cx);
1857 }
1858 });
1859 }),
1860 ],
1861 tasks_update_task: None,
1862 linked_edit_ranges: Default::default(),
1863 previous_search_ranges: None,
1864 };
1865 this.tasks_update_task = Some(this.refresh_runnables(cx));
1866 this._subscriptions.extend(project_subscriptions);
1867
1868 this.end_selection(cx);
1869 this.scroll_manager.show_scrollbar(cx);
1870
1871 if mode == EditorMode::Full {
1872 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
1873 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
1874
1875 if this.git_blame_inline_enabled {
1876 this.git_blame_inline_enabled = true;
1877 this.start_git_blame_inline(false, cx);
1878 }
1879 }
1880
1881 this.report_editor_event("open", None, cx);
1882 this
1883 }
1884
1885 pub fn mouse_menu_is_focused(&self, cx: &mut WindowContext) -> bool {
1886 self.mouse_context_menu
1887 .as_ref()
1888 .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(cx))
1889 }
1890
1891 fn key_context(&self, cx: &AppContext) -> KeyContext {
1892 let mut key_context = KeyContext::new_with_defaults();
1893 key_context.add("Editor");
1894 let mode = match self.mode {
1895 EditorMode::SingleLine => "single_line",
1896 EditorMode::AutoHeight { .. } => "auto_height",
1897 EditorMode::Full => "full",
1898 };
1899 key_context.set("mode", mode);
1900 if self.pending_rename.is_some() {
1901 key_context.add("renaming");
1902 }
1903 if self.context_menu_visible() {
1904 match self.context_menu.read().as_ref() {
1905 Some(ContextMenu::Completions(_)) => {
1906 key_context.add("menu");
1907 key_context.add("showing_completions")
1908 }
1909 Some(ContextMenu::CodeActions(_)) => {
1910 key_context.add("menu");
1911 key_context.add("showing_code_actions")
1912 }
1913 None => {}
1914 }
1915 }
1916
1917 for layer in self.keymap_context_layers.values() {
1918 key_context.extend(layer);
1919 }
1920
1921 if let Some(extension) = self
1922 .buffer
1923 .read(cx)
1924 .as_singleton()
1925 .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
1926 {
1927 key_context.set("extension", extension.to_string());
1928 }
1929
1930 if self.has_active_inline_completion(cx) {
1931 key_context.add("copilot_suggestion");
1932 key_context.add("inline_completion");
1933 }
1934
1935 key_context
1936 }
1937
1938 pub fn new_file(
1939 workspace: &mut Workspace,
1940 _: &workspace::NewFile,
1941 cx: &mut ViewContext<Workspace>,
1942 ) {
1943 let project = workspace.project().clone();
1944 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1945
1946 cx.spawn(|workspace, mut cx| async move {
1947 let buffer = create.await?;
1948 workspace.update(&mut cx, |workspace, cx| {
1949 workspace.add_item_to_active_pane(
1950 Box::new(
1951 cx.new_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx)),
1952 ),
1953 None,
1954 cx,
1955 )
1956 })
1957 })
1958 .detach_and_prompt_err("Failed to create buffer", cx, |e, _| match e.error_code() {
1959 ErrorCode::RemoteUpgradeRequired => Some(format!(
1960 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1961 e.error_tag("required").unwrap_or("the latest version")
1962 )),
1963 _ => None,
1964 });
1965 }
1966
1967 pub fn new_file_in_direction(
1968 workspace: &mut Workspace,
1969 action: &workspace::NewFileInDirection,
1970 cx: &mut ViewContext<Workspace>,
1971 ) {
1972 let project = workspace.project().clone();
1973 let create = project.update(cx, |project, cx| project.create_buffer(cx));
1974 let direction = action.0;
1975
1976 cx.spawn(|workspace, mut cx| async move {
1977 let buffer = create.await?;
1978 workspace.update(&mut cx, move |workspace, cx| {
1979 workspace.split_item(
1980 direction,
1981 Box::new(
1982 cx.new_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx)),
1983 ),
1984 cx,
1985 )
1986 })?;
1987 anyhow::Ok(())
1988 })
1989 .detach_and_prompt_err("Failed to create buffer", cx, |e, _| match e.error_code() {
1990 ErrorCode::RemoteUpgradeRequired => Some(format!(
1991 "The remote instance of Zed does not support this yet. It must be upgraded to {}",
1992 e.error_tag("required").unwrap_or("the latest version")
1993 )),
1994 _ => None,
1995 });
1996 }
1997
1998 pub fn replica_id(&self, cx: &AppContext) -> ReplicaId {
1999 self.buffer.read(cx).replica_id()
2000 }
2001
2002 pub fn leader_peer_id(&self) -> Option<PeerId> {
2003 self.leader_peer_id
2004 }
2005
2006 pub fn buffer(&self) -> &Model<MultiBuffer> {
2007 &self.buffer
2008 }
2009
2010 pub fn workspace(&self) -> Option<View<Workspace>> {
2011 self.workspace.as_ref()?.0.upgrade()
2012 }
2013
2014 pub fn title<'a>(&self, cx: &'a AppContext) -> Cow<'a, str> {
2015 self.buffer().read(cx).title(cx)
2016 }
2017
2018 pub fn snapshot(&mut self, cx: &mut WindowContext) -> EditorSnapshot {
2019 EditorSnapshot {
2020 mode: self.mode,
2021 show_gutter: self.show_gutter,
2022 show_line_numbers: self.show_line_numbers,
2023 show_git_diff_gutter: self.show_git_diff_gutter,
2024 show_code_actions: self.show_code_actions,
2025 render_git_blame_gutter: self.render_git_blame_gutter(cx),
2026 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
2027 scroll_anchor: self.scroll_manager.anchor(),
2028 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
2029 placeholder_text: self.placeholder_text.clone(),
2030 is_focused: self.focus_handle.is_focused(cx),
2031 current_line_highlight: self
2032 .current_line_highlight
2033 .unwrap_or_else(|| EditorSettings::get_global(cx).current_line_highlight),
2034 gutter_hovered: self.gutter_hovered,
2035 }
2036 }
2037
2038 pub fn language_at<T: ToOffset>(&self, point: T, cx: &AppContext) -> Option<Arc<Language>> {
2039 self.buffer.read(cx).language_at(point, cx)
2040 }
2041
2042 pub fn file_at<T: ToOffset>(
2043 &self,
2044 point: T,
2045 cx: &AppContext,
2046 ) -> Option<Arc<dyn language::File>> {
2047 self.buffer.read(cx).read(cx).file_at(point).cloned()
2048 }
2049
2050 pub fn active_excerpt(
2051 &self,
2052 cx: &AppContext,
2053 ) -> Option<(ExcerptId, Model<Buffer>, Range<text::Anchor>)> {
2054 self.buffer
2055 .read(cx)
2056 .excerpt_containing(self.selections.newest_anchor().head(), cx)
2057 }
2058
2059 pub fn mode(&self) -> EditorMode {
2060 self.mode
2061 }
2062
2063 pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
2064 self.collaboration_hub.as_deref()
2065 }
2066
2067 pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
2068 self.collaboration_hub = Some(hub);
2069 }
2070
2071 pub fn set_custom_context_menu(
2072 &mut self,
2073 f: impl 'static
2074 + Fn(&mut Self, DisplayPoint, &mut ViewContext<Self>) -> Option<View<ui::ContextMenu>>,
2075 ) {
2076 self.custom_context_menu = Some(Box::new(f))
2077 }
2078
2079 pub fn set_completion_provider(&mut self, provider: Box<dyn CompletionProvider>) {
2080 self.completion_provider = Some(provider);
2081 }
2082
2083 pub fn set_inline_completion_provider<T>(
2084 &mut self,
2085 provider: Option<Model<T>>,
2086 cx: &mut ViewContext<Self>,
2087 ) where
2088 T: InlineCompletionProvider,
2089 {
2090 self.inline_completion_provider =
2091 provider.map(|provider| RegisteredInlineCompletionProvider {
2092 _subscription: cx.observe(&provider, |this, _, cx| {
2093 if this.focus_handle.is_focused(cx) {
2094 this.update_visible_inline_completion(cx);
2095 }
2096 }),
2097 provider: Arc::new(provider),
2098 });
2099 self.refresh_inline_completion(false, cx);
2100 }
2101
2102 pub fn placeholder_text(&self, _cx: &mut WindowContext) -> Option<&str> {
2103 self.placeholder_text.as_deref()
2104 }
2105
2106 pub fn set_placeholder_text(
2107 &mut self,
2108 placeholder_text: impl Into<Arc<str>>,
2109 cx: &mut ViewContext<Self>,
2110 ) {
2111 let placeholder_text = Some(placeholder_text.into());
2112 if self.placeholder_text != placeholder_text {
2113 self.placeholder_text = placeholder_text;
2114 cx.notify();
2115 }
2116 }
2117
2118 pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut ViewContext<Self>) {
2119 self.cursor_shape = cursor_shape;
2120 cx.notify();
2121 }
2122
2123 pub fn set_current_line_highlight(
2124 &mut self,
2125 current_line_highlight: Option<CurrentLineHighlight>,
2126 ) {
2127 self.current_line_highlight = current_line_highlight;
2128 }
2129
2130 pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
2131 self.collapse_matches = collapse_matches;
2132 }
2133
2134 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
2135 if self.collapse_matches {
2136 return range.start..range.start;
2137 }
2138 range.clone()
2139 }
2140
2141 pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut ViewContext<Self>) {
2142 if self.display_map.read(cx).clip_at_line_ends != clip {
2143 self.display_map
2144 .update(cx, |map, _| map.clip_at_line_ends = clip);
2145 }
2146 }
2147
2148 pub fn set_keymap_context_layer<Tag: 'static>(
2149 &mut self,
2150 context: KeyContext,
2151 cx: &mut ViewContext<Self>,
2152 ) {
2153 self.keymap_context_layers
2154 .insert(TypeId::of::<Tag>(), context);
2155 cx.notify();
2156 }
2157
2158 pub fn remove_keymap_context_layer<Tag: 'static>(&mut self, cx: &mut ViewContext<Self>) {
2159 self.keymap_context_layers.remove(&TypeId::of::<Tag>());
2160 cx.notify();
2161 }
2162
2163 pub fn set_input_enabled(&mut self, input_enabled: bool) {
2164 self.input_enabled = input_enabled;
2165 }
2166
2167 pub fn set_autoindent(&mut self, autoindent: bool) {
2168 if autoindent {
2169 self.autoindent_mode = Some(AutoindentMode::EachLine);
2170 } else {
2171 self.autoindent_mode = None;
2172 }
2173 }
2174
2175 pub fn read_only(&self, cx: &AppContext) -> bool {
2176 self.read_only || self.buffer.read(cx).read_only()
2177 }
2178
2179 pub fn set_read_only(&mut self, read_only: bool) {
2180 self.read_only = read_only;
2181 }
2182
2183 pub fn set_use_autoclose(&mut self, autoclose: bool) {
2184 self.use_autoclose = autoclose;
2185 }
2186
2187 pub fn set_auto_replace_emoji_shortcode(&mut self, auto_replace: bool) {
2188 self.auto_replace_emoji_shortcode = auto_replace;
2189 }
2190
2191 pub fn set_show_inline_completions(&mut self, show_inline_completions: bool) {
2192 self.show_inline_completions = show_inline_completions;
2193 }
2194
2195 pub fn set_use_modal_editing(&mut self, to: bool) {
2196 self.use_modal_editing = to;
2197 }
2198
2199 pub fn use_modal_editing(&self) -> bool {
2200 self.use_modal_editing
2201 }
2202
2203 fn selections_did_change(
2204 &mut self,
2205 local: bool,
2206 old_cursor_position: &Anchor,
2207 show_completions: bool,
2208 cx: &mut ViewContext<Self>,
2209 ) {
2210 // Copy selections to primary selection buffer
2211 #[cfg(target_os = "linux")]
2212 if local {
2213 let selections = self.selections.all::<usize>(cx);
2214 let buffer_handle = self.buffer.read(cx).read(cx);
2215
2216 let mut text = String::new();
2217 for (index, selection) in selections.iter().enumerate() {
2218 let text_for_selection = buffer_handle
2219 .text_for_range(selection.start..selection.end)
2220 .collect::<String>();
2221
2222 text.push_str(&text_for_selection);
2223 if index != selections.len() - 1 {
2224 text.push('\n');
2225 }
2226 }
2227
2228 if !text.is_empty() {
2229 cx.write_to_primary(ClipboardItem::new(text));
2230 }
2231 }
2232
2233 if self.focus_handle.is_focused(cx) && self.leader_peer_id.is_none() {
2234 self.buffer.update(cx, |buffer, cx| {
2235 buffer.set_active_selections(
2236 &self.selections.disjoint_anchors(),
2237 self.selections.line_mode,
2238 self.cursor_shape,
2239 cx,
2240 )
2241 });
2242 }
2243 let display_map = self
2244 .display_map
2245 .update(cx, |display_map, cx| display_map.snapshot(cx));
2246 let buffer = &display_map.buffer_snapshot;
2247 self.add_selections_state = None;
2248 self.select_next_state = None;
2249 self.select_prev_state = None;
2250 self.select_larger_syntax_node_stack.clear();
2251 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2252 self.snippet_stack
2253 .invalidate(&self.selections.disjoint_anchors(), buffer);
2254 self.take_rename(false, cx);
2255
2256 let new_cursor_position = self.selections.newest_anchor().head();
2257
2258 self.push_to_nav_history(
2259 *old_cursor_position,
2260 Some(new_cursor_position.to_point(buffer)),
2261 cx,
2262 );
2263
2264 if local {
2265 let new_cursor_position = self.selections.newest_anchor().head();
2266 let mut context_menu = self.context_menu.write();
2267 let completion_menu = match context_menu.as_ref() {
2268 Some(ContextMenu::Completions(menu)) => Some(menu),
2269
2270 _ => {
2271 *context_menu = None;
2272 None
2273 }
2274 };
2275
2276 if let Some(completion_menu) = completion_menu {
2277 let cursor_position = new_cursor_position.to_offset(buffer);
2278 let (word_range, kind) = buffer.surrounding_word(completion_menu.initial_position);
2279 if kind == Some(CharKind::Word)
2280 && word_range.to_inclusive().contains(&cursor_position)
2281 {
2282 let mut completion_menu = completion_menu.clone();
2283 drop(context_menu);
2284
2285 let query = Self::completion_query(buffer, cursor_position);
2286 cx.spawn(move |this, mut cx| async move {
2287 completion_menu
2288 .filter(query.as_deref(), cx.background_executor().clone())
2289 .await;
2290
2291 this.update(&mut cx, |this, cx| {
2292 let mut context_menu = this.context_menu.write();
2293 let Some(ContextMenu::Completions(menu)) = context_menu.as_ref() else {
2294 return;
2295 };
2296
2297 if menu.id > completion_menu.id {
2298 return;
2299 }
2300
2301 *context_menu = Some(ContextMenu::Completions(completion_menu));
2302 drop(context_menu);
2303 cx.notify();
2304 })
2305 })
2306 .detach();
2307
2308 if show_completions {
2309 self.show_completions(&ShowCompletions { trigger: None }, cx);
2310 }
2311 } else {
2312 drop(context_menu);
2313 self.hide_context_menu(cx);
2314 }
2315 } else {
2316 drop(context_menu);
2317 }
2318
2319 hide_hover(self, cx);
2320
2321 if old_cursor_position.to_display_point(&display_map).row()
2322 != new_cursor_position.to_display_point(&display_map).row()
2323 {
2324 self.available_code_actions.take();
2325 }
2326 self.refresh_code_actions(cx);
2327 self.refresh_document_highlights(cx);
2328 refresh_matching_bracket_highlights(self, cx);
2329 self.discard_inline_completion(false, cx);
2330 linked_editing_ranges::refresh_linked_ranges(self, cx);
2331 if self.git_blame_inline_enabled {
2332 self.start_inline_blame_timer(cx);
2333 }
2334 }
2335
2336 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2337 cx.emit(EditorEvent::SelectionsChanged { local });
2338
2339 if self.selections.disjoint_anchors().len() == 1 {
2340 cx.emit(SearchEvent::ActiveMatchChanged)
2341 }
2342 cx.notify();
2343 }
2344
2345 pub fn change_selections<R>(
2346 &mut self,
2347 autoscroll: Option<Autoscroll>,
2348 cx: &mut ViewContext<Self>,
2349 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2350 ) -> R {
2351 self.change_selections_inner(autoscroll, true, cx, change)
2352 }
2353
2354 pub fn change_selections_inner<R>(
2355 &mut self,
2356 autoscroll: Option<Autoscroll>,
2357 request_completions: bool,
2358 cx: &mut ViewContext<Self>,
2359 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2360 ) -> R {
2361 let old_cursor_position = self.selections.newest_anchor().head();
2362 self.push_to_selection_history();
2363
2364 let (changed, result) = self.selections.change_with(cx, change);
2365
2366 if changed {
2367 if let Some(autoscroll) = autoscroll {
2368 self.request_autoscroll(autoscroll, cx);
2369 }
2370 self.selections_did_change(true, &old_cursor_position, request_completions, cx);
2371 }
2372
2373 result
2374 }
2375
2376 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2377 where
2378 I: IntoIterator<Item = (Range<S>, T)>,
2379 S: ToOffset,
2380 T: Into<Arc<str>>,
2381 {
2382 if self.read_only(cx) {
2383 return;
2384 }
2385
2386 self.buffer
2387 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2388 }
2389
2390 pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2391 where
2392 I: IntoIterator<Item = (Range<S>, T)>,
2393 S: ToOffset,
2394 T: Into<Arc<str>>,
2395 {
2396 if self.read_only(cx) {
2397 return;
2398 }
2399
2400 self.buffer.update(cx, |buffer, cx| {
2401 buffer.edit(edits, self.autoindent_mode.clone(), cx)
2402 });
2403 }
2404
2405 pub fn edit_with_block_indent<I, S, T>(
2406 &mut self,
2407 edits: I,
2408 original_indent_columns: Vec<u32>,
2409 cx: &mut ViewContext<Self>,
2410 ) where
2411 I: IntoIterator<Item = (Range<S>, T)>,
2412 S: ToOffset,
2413 T: Into<Arc<str>>,
2414 {
2415 if self.read_only(cx) {
2416 return;
2417 }
2418
2419 self.buffer.update(cx, |buffer, cx| {
2420 buffer.edit(
2421 edits,
2422 Some(AutoindentMode::Block {
2423 original_indent_columns,
2424 }),
2425 cx,
2426 )
2427 });
2428 }
2429
2430 fn select(&mut self, phase: SelectPhase, cx: &mut ViewContext<Self>) {
2431 self.hide_context_menu(cx);
2432
2433 match phase {
2434 SelectPhase::Begin {
2435 position,
2436 add,
2437 click_count,
2438 } => self.begin_selection(position, add, click_count, cx),
2439 SelectPhase::BeginColumnar {
2440 position,
2441 goal_column,
2442 reset,
2443 } => self.begin_columnar_selection(position, goal_column, reset, cx),
2444 SelectPhase::Extend {
2445 position,
2446 click_count,
2447 } => self.extend_selection(position, click_count, cx),
2448 SelectPhase::Update {
2449 position,
2450 goal_column,
2451 scroll_delta,
2452 } => self.update_selection(position, goal_column, scroll_delta, cx),
2453 SelectPhase::End => self.end_selection(cx),
2454 }
2455 }
2456
2457 fn extend_selection(
2458 &mut self,
2459 position: DisplayPoint,
2460 click_count: usize,
2461 cx: &mut ViewContext<Self>,
2462 ) {
2463 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2464 let tail = self.selections.newest::<usize>(cx).tail();
2465 self.begin_selection(position, false, click_count, cx);
2466
2467 let position = position.to_offset(&display_map, Bias::Left);
2468 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2469
2470 let mut pending_selection = self
2471 .selections
2472 .pending_anchor()
2473 .expect("extend_selection not called with pending selection");
2474 if position >= tail {
2475 pending_selection.start = tail_anchor;
2476 } else {
2477 pending_selection.end = tail_anchor;
2478 pending_selection.reversed = true;
2479 }
2480
2481 let mut pending_mode = self.selections.pending_mode().unwrap();
2482 match &mut pending_mode {
2483 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2484 _ => {}
2485 }
2486
2487 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
2488 s.set_pending(pending_selection, pending_mode)
2489 });
2490 }
2491
2492 fn begin_selection(
2493 &mut self,
2494 position: DisplayPoint,
2495 add: bool,
2496 click_count: usize,
2497 cx: &mut ViewContext<Self>,
2498 ) {
2499 if !self.focus_handle.is_focused(cx) {
2500 self.last_focused_descendant = None;
2501 cx.focus(&self.focus_handle);
2502 }
2503
2504 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2505 let buffer = &display_map.buffer_snapshot;
2506 let newest_selection = self.selections.newest_anchor().clone();
2507 let position = display_map.clip_point(position, Bias::Left);
2508
2509 let start;
2510 let end;
2511 let mode;
2512 let auto_scroll;
2513 match click_count {
2514 1 => {
2515 start = buffer.anchor_before(position.to_point(&display_map));
2516 end = start;
2517 mode = SelectMode::Character;
2518 auto_scroll = true;
2519 }
2520 2 => {
2521 let range = movement::surrounding_word(&display_map, position);
2522 start = buffer.anchor_before(range.start.to_point(&display_map));
2523 end = buffer.anchor_before(range.end.to_point(&display_map));
2524 mode = SelectMode::Word(start..end);
2525 auto_scroll = true;
2526 }
2527 3 => {
2528 let position = display_map
2529 .clip_point(position, Bias::Left)
2530 .to_point(&display_map);
2531 let line_start = display_map.prev_line_boundary(position).0;
2532 let next_line_start = buffer.clip_point(
2533 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2534 Bias::Left,
2535 );
2536 start = buffer.anchor_before(line_start);
2537 end = buffer.anchor_before(next_line_start);
2538 mode = SelectMode::Line(start..end);
2539 auto_scroll = true;
2540 }
2541 _ => {
2542 start = buffer.anchor_before(0);
2543 end = buffer.anchor_before(buffer.len());
2544 mode = SelectMode::All;
2545 auto_scroll = false;
2546 }
2547 }
2548
2549 self.change_selections(auto_scroll.then(|| Autoscroll::newest()), cx, |s| {
2550 if !add {
2551 s.clear_disjoint();
2552 } else if click_count > 1 {
2553 s.delete(newest_selection.id)
2554 }
2555
2556 s.set_pending_anchor_range(start..end, mode);
2557 });
2558 }
2559
2560 fn begin_columnar_selection(
2561 &mut self,
2562 position: DisplayPoint,
2563 goal_column: u32,
2564 reset: bool,
2565 cx: &mut ViewContext<Self>,
2566 ) {
2567 if !self.focus_handle.is_focused(cx) {
2568 self.last_focused_descendant = None;
2569 cx.focus(&self.focus_handle);
2570 }
2571
2572 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2573
2574 if reset {
2575 let pointer_position = display_map
2576 .buffer_snapshot
2577 .anchor_before(position.to_point(&display_map));
2578
2579 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
2580 s.clear_disjoint();
2581 s.set_pending_anchor_range(
2582 pointer_position..pointer_position,
2583 SelectMode::Character,
2584 );
2585 });
2586 }
2587
2588 let tail = self.selections.newest::<Point>(cx).tail();
2589 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2590
2591 if !reset {
2592 self.select_columns(
2593 tail.to_display_point(&display_map),
2594 position,
2595 goal_column,
2596 &display_map,
2597 cx,
2598 );
2599 }
2600 }
2601
2602 fn update_selection(
2603 &mut self,
2604 position: DisplayPoint,
2605 goal_column: u32,
2606 scroll_delta: gpui::Point<f32>,
2607 cx: &mut ViewContext<Self>,
2608 ) {
2609 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2610
2611 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2612 let tail = tail.to_display_point(&display_map);
2613 self.select_columns(tail, position, goal_column, &display_map, cx);
2614 } else if let Some(mut pending) = self.selections.pending_anchor() {
2615 let buffer = self.buffer.read(cx).snapshot(cx);
2616 let head;
2617 let tail;
2618 let mode = self.selections.pending_mode().unwrap();
2619 match &mode {
2620 SelectMode::Character => {
2621 head = position.to_point(&display_map);
2622 tail = pending.tail().to_point(&buffer);
2623 }
2624 SelectMode::Word(original_range) => {
2625 let original_display_range = original_range.start.to_display_point(&display_map)
2626 ..original_range.end.to_display_point(&display_map);
2627 let original_buffer_range = original_display_range.start.to_point(&display_map)
2628 ..original_display_range.end.to_point(&display_map);
2629 if movement::is_inside_word(&display_map, position)
2630 || original_display_range.contains(&position)
2631 {
2632 let word_range = movement::surrounding_word(&display_map, position);
2633 if word_range.start < original_display_range.start {
2634 head = word_range.start.to_point(&display_map);
2635 } else {
2636 head = word_range.end.to_point(&display_map);
2637 }
2638 } else {
2639 head = position.to_point(&display_map);
2640 }
2641
2642 if head <= original_buffer_range.start {
2643 tail = original_buffer_range.end;
2644 } else {
2645 tail = original_buffer_range.start;
2646 }
2647 }
2648 SelectMode::Line(original_range) => {
2649 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2650
2651 let position = display_map
2652 .clip_point(position, Bias::Left)
2653 .to_point(&display_map);
2654 let line_start = display_map.prev_line_boundary(position).0;
2655 let next_line_start = buffer.clip_point(
2656 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2657 Bias::Left,
2658 );
2659
2660 if line_start < original_range.start {
2661 head = line_start
2662 } else {
2663 head = next_line_start
2664 }
2665
2666 if head <= original_range.start {
2667 tail = original_range.end;
2668 } else {
2669 tail = original_range.start;
2670 }
2671 }
2672 SelectMode::All => {
2673 return;
2674 }
2675 };
2676
2677 if head < tail {
2678 pending.start = buffer.anchor_before(head);
2679 pending.end = buffer.anchor_before(tail);
2680 pending.reversed = true;
2681 } else {
2682 pending.start = buffer.anchor_before(tail);
2683 pending.end = buffer.anchor_before(head);
2684 pending.reversed = false;
2685 }
2686
2687 self.change_selections(None, cx, |s| {
2688 s.set_pending(pending, mode);
2689 });
2690 } else {
2691 log::error!("update_selection dispatched with no pending selection");
2692 return;
2693 }
2694
2695 self.apply_scroll_delta(scroll_delta, cx);
2696 cx.notify();
2697 }
2698
2699 fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
2700 self.columnar_selection_tail.take();
2701 if self.selections.pending_anchor().is_some() {
2702 let selections = self.selections.all::<usize>(cx);
2703 self.change_selections(None, cx, |s| {
2704 s.select(selections);
2705 s.clear_pending();
2706 });
2707 }
2708 }
2709
2710 fn select_columns(
2711 &mut self,
2712 tail: DisplayPoint,
2713 head: DisplayPoint,
2714 goal_column: u32,
2715 display_map: &DisplaySnapshot,
2716 cx: &mut ViewContext<Self>,
2717 ) {
2718 let start_row = cmp::min(tail.row(), head.row());
2719 let end_row = cmp::max(tail.row(), head.row());
2720 let start_column = cmp::min(tail.column(), goal_column);
2721 let end_column = cmp::max(tail.column(), goal_column);
2722 let reversed = start_column < tail.column();
2723
2724 let selection_ranges = (start_row.0..=end_row.0)
2725 .map(DisplayRow)
2726 .filter_map(|row| {
2727 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2728 let start = display_map
2729 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2730 .to_point(display_map);
2731 let end = display_map
2732 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2733 .to_point(display_map);
2734 if reversed {
2735 Some(end..start)
2736 } else {
2737 Some(start..end)
2738 }
2739 } else {
2740 None
2741 }
2742 })
2743 .collect::<Vec<_>>();
2744
2745 self.change_selections(None, cx, |s| {
2746 s.select_ranges(selection_ranges);
2747 });
2748 cx.notify();
2749 }
2750
2751 pub fn has_pending_nonempty_selection(&self) -> bool {
2752 let pending_nonempty_selection = match self.selections.pending_anchor() {
2753 Some(Selection { start, end, .. }) => start != end,
2754 None => false,
2755 };
2756
2757 pending_nonempty_selection
2758 || (self.columnar_selection_tail.is_some() && self.selections.disjoint.len() > 1)
2759 }
2760
2761 pub fn has_pending_selection(&self) -> bool {
2762 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2763 }
2764
2765 pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
2766 self.clear_expanded_diff_hunks(cx);
2767 if self.dismiss_menus_and_popups(true, cx) {
2768 return;
2769 }
2770
2771 if self.mode == EditorMode::Full {
2772 if self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel()) {
2773 return;
2774 }
2775 }
2776
2777 cx.propagate();
2778 }
2779
2780 pub fn dismiss_menus_and_popups(
2781 &mut self,
2782 should_report_inline_completion_event: bool,
2783 cx: &mut ViewContext<Self>,
2784 ) -> bool {
2785 if self.take_rename(false, cx).is_some() {
2786 return true;
2787 }
2788
2789 if hide_hover(self, cx) {
2790 return true;
2791 }
2792
2793 if self.hide_context_menu(cx).is_some() {
2794 return true;
2795 }
2796
2797 if self.discard_inline_completion(should_report_inline_completion_event, cx) {
2798 return true;
2799 }
2800
2801 if self.snippet_stack.pop().is_some() {
2802 return true;
2803 }
2804
2805 if self.mode == EditorMode::Full {
2806 if self.active_diagnostics.is_some() {
2807 self.dismiss_diagnostics(cx);
2808 return true;
2809 }
2810 }
2811
2812 false
2813 }
2814
2815 fn linked_editing_ranges_for(
2816 &self,
2817 selection: Range<text::Anchor>,
2818 cx: &AppContext,
2819 ) -> Option<HashMap<Model<Buffer>, Vec<Range<text::Anchor>>>> {
2820 if self.linked_edit_ranges.is_empty() {
2821 return None;
2822 }
2823 let ((base_range, linked_ranges), buffer_snapshot, buffer) =
2824 selection.end.buffer_id.and_then(|end_buffer_id| {
2825 if selection.start.buffer_id != Some(end_buffer_id) {
2826 return None;
2827 }
2828 let buffer = self.buffer.read(cx).buffer(end_buffer_id)?;
2829 let snapshot = buffer.read(cx).snapshot();
2830 self.linked_edit_ranges
2831 .get(end_buffer_id, selection.start..selection.end, &snapshot)
2832 .map(|ranges| (ranges, snapshot, buffer))
2833 })?;
2834 use text::ToOffset as TO;
2835 // find offset from the start of current range to current cursor position
2836 let start_byte_offset = TO::to_offset(&base_range.start, &buffer_snapshot);
2837
2838 let start_offset = TO::to_offset(&selection.start, &buffer_snapshot);
2839 let start_difference = start_offset - start_byte_offset;
2840 let end_offset = TO::to_offset(&selection.end, &buffer_snapshot);
2841 let end_difference = end_offset - start_byte_offset;
2842 // Current range has associated linked ranges.
2843 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2844 for range in linked_ranges.iter() {
2845 let start_offset = TO::to_offset(&range.start, &buffer_snapshot);
2846 let end_offset = start_offset + end_difference;
2847 let start_offset = start_offset + start_difference;
2848 let start = buffer_snapshot.anchor_after(start_offset);
2849 let end = buffer_snapshot.anchor_after(end_offset);
2850 linked_edits
2851 .entry(buffer.clone())
2852 .or_default()
2853 .push(start..end);
2854 }
2855 Some(linked_edits)
2856 }
2857
2858 pub fn handle_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
2859 let text: Arc<str> = text.into();
2860
2861 if self.read_only(cx) {
2862 return;
2863 }
2864
2865 let selections = self.selections.all_adjusted(cx);
2866 let mut brace_inserted = false;
2867 let mut edits = Vec::new();
2868 let mut linked_edits = HashMap::<_, Vec<_>>::default();
2869 let mut new_selections = Vec::with_capacity(selections.len());
2870 let mut new_autoclose_regions = Vec::new();
2871 let snapshot = self.buffer.read(cx).read(cx);
2872
2873 for (selection, autoclose_region) in
2874 self.selections_with_autoclose_regions(selections, &snapshot)
2875 {
2876 if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2877 // Determine if the inserted text matches the opening or closing
2878 // bracket of any of this language's bracket pairs.
2879 let mut bracket_pair = None;
2880 let mut is_bracket_pair_start = false;
2881 let mut is_bracket_pair_end = false;
2882 if !text.is_empty() {
2883 // `text` can be empty when a user is using IME (e.g. Chinese Wubi Simplified)
2884 // and they are removing the character that triggered IME popup.
2885 for (pair, enabled) in scope.brackets() {
2886 if !pair.close {
2887 continue;
2888 }
2889
2890 if enabled && pair.start.ends_with(text.as_ref()) {
2891 bracket_pair = Some(pair.clone());
2892 is_bracket_pair_start = true;
2893 break;
2894 }
2895 if pair.end.as_str() == text.as_ref() {
2896 bracket_pair = Some(pair.clone());
2897 is_bracket_pair_end = true;
2898 break;
2899 }
2900 }
2901 }
2902
2903 if let Some(bracket_pair) = bracket_pair {
2904 let autoclose = self.use_autoclose
2905 && snapshot.settings_at(selection.start, cx).use_autoclose;
2906
2907 if selection.is_empty() {
2908 if is_bracket_pair_start {
2909 let prefix_len = bracket_pair.start.len() - text.len();
2910
2911 // If the inserted text is a suffix of an opening bracket and the
2912 // selection is preceded by the rest of the opening bracket, then
2913 // insert the closing bracket.
2914 let following_text_allows_autoclose = snapshot
2915 .chars_at(selection.start)
2916 .next()
2917 .map_or(true, |c| scope.should_autoclose_before(c));
2918 let preceding_text_matches_prefix = prefix_len == 0
2919 || (selection.start.column >= (prefix_len as u32)
2920 && snapshot.contains_str_at(
2921 Point::new(
2922 selection.start.row,
2923 selection.start.column - (prefix_len as u32),
2924 ),
2925 &bracket_pair.start[..prefix_len],
2926 ));
2927 if autoclose
2928 && following_text_allows_autoclose
2929 && preceding_text_matches_prefix
2930 {
2931 let anchor = snapshot.anchor_before(selection.end);
2932 new_selections.push((selection.map(|_| anchor), text.len()));
2933 new_autoclose_regions.push((
2934 anchor,
2935 text.len(),
2936 selection.id,
2937 bracket_pair.clone(),
2938 ));
2939 edits.push((
2940 selection.range(),
2941 format!("{}{}", text, bracket_pair.end).into(),
2942 ));
2943 brace_inserted = true;
2944 continue;
2945 }
2946 }
2947
2948 if let Some(region) = autoclose_region {
2949 // If the selection is followed by an auto-inserted closing bracket,
2950 // then don't insert that closing bracket again; just move the selection
2951 // past the closing bracket.
2952 let should_skip = selection.end == region.range.end.to_point(&snapshot)
2953 && text.as_ref() == region.pair.end.as_str();
2954 if should_skip {
2955 let anchor = snapshot.anchor_after(selection.end);
2956 new_selections
2957 .push((selection.map(|_| anchor), region.pair.end.len()));
2958 continue;
2959 }
2960 }
2961
2962 let always_treat_brackets_as_autoclosed = snapshot
2963 .settings_at(selection.start, cx)
2964 .always_treat_brackets_as_autoclosed;
2965 if always_treat_brackets_as_autoclosed
2966 && is_bracket_pair_end
2967 && snapshot.contains_str_at(selection.end, text.as_ref())
2968 {
2969 // Otherwise, when `always_treat_brackets_as_autoclosed` is set to `true
2970 // and the inserted text is a closing bracket and the selection is followed
2971 // by the closing bracket then move the selection past the closing bracket.
2972 let anchor = snapshot.anchor_after(selection.end);
2973 new_selections.push((selection.map(|_| anchor), text.len()));
2974 continue;
2975 }
2976 }
2977 // If an opening bracket is 1 character long and is typed while
2978 // text is selected, then surround that text with the bracket pair.
2979 else if autoclose
2980 && is_bracket_pair_start
2981 && bracket_pair.start.chars().count() == 1
2982 {
2983 edits.push((selection.start..selection.start, text.clone()));
2984 edits.push((
2985 selection.end..selection.end,
2986 bracket_pair.end.as_str().into(),
2987 ));
2988 brace_inserted = true;
2989 new_selections.push((
2990 Selection {
2991 id: selection.id,
2992 start: snapshot.anchor_after(selection.start),
2993 end: snapshot.anchor_before(selection.end),
2994 reversed: selection.reversed,
2995 goal: selection.goal,
2996 },
2997 0,
2998 ));
2999 continue;
3000 }
3001 }
3002 }
3003
3004 if self.auto_replace_emoji_shortcode
3005 && selection.is_empty()
3006 && text.as_ref().ends_with(':')
3007 {
3008 if let Some(possible_emoji_short_code) =
3009 Self::find_possible_emoji_shortcode_at_position(&snapshot, selection.start)
3010 {
3011 if !possible_emoji_short_code.is_empty() {
3012 if let Some(emoji) = emojis::get_by_shortcode(&possible_emoji_short_code) {
3013 let emoji_shortcode_start = Point::new(
3014 selection.start.row,
3015 selection.start.column - possible_emoji_short_code.len() as u32 - 1,
3016 );
3017
3018 // Remove shortcode from buffer
3019 edits.push((
3020 emoji_shortcode_start..selection.start,
3021 "".to_string().into(),
3022 ));
3023 new_selections.push((
3024 Selection {
3025 id: selection.id,
3026 start: snapshot.anchor_after(emoji_shortcode_start),
3027 end: snapshot.anchor_before(selection.start),
3028 reversed: selection.reversed,
3029 goal: selection.goal,
3030 },
3031 0,
3032 ));
3033
3034 // Insert emoji
3035 let selection_start_anchor = snapshot.anchor_after(selection.start);
3036 new_selections.push((selection.map(|_| selection_start_anchor), 0));
3037 edits.push((selection.start..selection.end, emoji.to_string().into()));
3038
3039 continue;
3040 }
3041 }
3042 }
3043 }
3044
3045 // If not handling any auto-close operation, then just replace the selected
3046 // text with the given input and move the selection to the end of the
3047 // newly inserted text.
3048 let anchor = snapshot.anchor_after(selection.end);
3049 if !self.linked_edit_ranges.is_empty() {
3050 let start_anchor = snapshot.anchor_before(selection.start);
3051 if let Some(ranges) =
3052 self.linked_editing_ranges_for(start_anchor.text_anchor..anchor.text_anchor, cx)
3053 {
3054 for (buffer, edits) in ranges {
3055 linked_edits
3056 .entry(buffer.clone())
3057 .or_default()
3058 .extend(edits.into_iter().map(|range| (range, text.clone())));
3059 }
3060 }
3061 }
3062
3063 new_selections.push((selection.map(|_| anchor), 0));
3064 edits.push((selection.start..selection.end, text.clone()));
3065 }
3066
3067 drop(snapshot);
3068
3069 self.transact(cx, |this, cx| {
3070 this.buffer.update(cx, |buffer, cx| {
3071 buffer.edit(edits, this.autoindent_mode.clone(), cx);
3072 });
3073 for (buffer, edits) in linked_edits {
3074 buffer.update(cx, |buffer, cx| {
3075 let snapshot = buffer.snapshot();
3076 let edits = edits
3077 .into_iter()
3078 .map(|(range, text)| {
3079 use text::ToPoint as TP;
3080 let end_point = TP::to_point(&range.end, &snapshot);
3081 let start_point = TP::to_point(&range.start, &snapshot);
3082 (start_point..end_point, text)
3083 })
3084 .sorted_by_key(|(range, _)| range.start)
3085 .collect::<Vec<_>>();
3086 buffer.edit(edits, None, cx);
3087 })
3088 }
3089 let new_anchor_selections = new_selections.iter().map(|e| &e.0);
3090 let new_selection_deltas = new_selections.iter().map(|e| e.1);
3091 let snapshot = this.buffer.read(cx).read(cx);
3092 let new_selections = resolve_multiple::<usize, _>(new_anchor_selections, &snapshot)
3093 .zip(new_selection_deltas)
3094 .map(|(selection, delta)| Selection {
3095 id: selection.id,
3096 start: selection.start + delta,
3097 end: selection.end + delta,
3098 reversed: selection.reversed,
3099 goal: SelectionGoal::None,
3100 })
3101 .collect::<Vec<_>>();
3102
3103 let mut i = 0;
3104 for (position, delta, selection_id, pair) in new_autoclose_regions {
3105 let position = position.to_offset(&snapshot) + delta;
3106 let start = snapshot.anchor_before(position);
3107 let end = snapshot.anchor_after(position);
3108 while let Some(existing_state) = this.autoclose_regions.get(i) {
3109 match existing_state.range.start.cmp(&start, &snapshot) {
3110 Ordering::Less => i += 1,
3111 Ordering::Greater => break,
3112 Ordering::Equal => match end.cmp(&existing_state.range.end, &snapshot) {
3113 Ordering::Less => i += 1,
3114 Ordering::Equal => break,
3115 Ordering::Greater => break,
3116 },
3117 }
3118 }
3119 this.autoclose_regions.insert(
3120 i,
3121 AutocloseRegion {
3122 selection_id,
3123 range: start..end,
3124 pair,
3125 },
3126 );
3127 }
3128
3129 drop(snapshot);
3130 let had_active_inline_completion = this.has_active_inline_completion(cx);
3131 this.change_selections_inner(Some(Autoscroll::fit()), false, cx, |s| {
3132 s.select(new_selections)
3133 });
3134
3135 if !brace_inserted && EditorSettings::get_global(cx).use_on_type_format {
3136 if let Some(on_type_format_task) =
3137 this.trigger_on_type_formatting(text.to_string(), cx)
3138 {
3139 on_type_format_task.detach_and_log_err(cx);
3140 }
3141 }
3142
3143 let trigger_in_words = !had_active_inline_completion;
3144 this.trigger_completion_on_input(&text, trigger_in_words, cx);
3145 linked_editing_ranges::refresh_linked_ranges(this, cx);
3146 this.refresh_inline_completion(true, cx);
3147 });
3148 }
3149
3150 fn find_possible_emoji_shortcode_at_position(
3151 snapshot: &MultiBufferSnapshot,
3152 position: Point,
3153 ) -> Option<String> {
3154 let mut chars = Vec::new();
3155 let mut found_colon = false;
3156 for char in snapshot.reversed_chars_at(position).take(100) {
3157 // Found a possible emoji shortcode in the middle of the buffer
3158 if found_colon {
3159 if char.is_whitespace() {
3160 chars.reverse();
3161 return Some(chars.iter().collect());
3162 }
3163 // If the previous character is not a whitespace, we are in the middle of a word
3164 // and we only want to complete the shortcode if the word is made up of other emojis
3165 let mut containing_word = String::new();
3166 for ch in snapshot
3167 .reversed_chars_at(position)
3168 .skip(chars.len() + 1)
3169 .take(100)
3170 {
3171 if ch.is_whitespace() {
3172 break;
3173 }
3174 containing_word.push(ch);
3175 }
3176 let containing_word = containing_word.chars().rev().collect::<String>();
3177 if util::word_consists_of_emojis(containing_word.as_str()) {
3178 chars.reverse();
3179 return Some(chars.iter().collect());
3180 }
3181 }
3182
3183 if char.is_whitespace() || !char.is_ascii() {
3184 return None;
3185 }
3186 if char == ':' {
3187 found_colon = true;
3188 } else {
3189 chars.push(char);
3190 }
3191 }
3192 // Found a possible emoji shortcode at the beginning of the buffer
3193 chars.reverse();
3194 Some(chars.iter().collect())
3195 }
3196
3197 pub fn newline(&mut self, _: &Newline, cx: &mut ViewContext<Self>) {
3198 self.transact(cx, |this, cx| {
3199 let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
3200 let selections = this.selections.all::<usize>(cx);
3201 let multi_buffer = this.buffer.read(cx);
3202 let buffer = multi_buffer.snapshot(cx);
3203 selections
3204 .iter()
3205 .map(|selection| {
3206 let start_point = selection.start.to_point(&buffer);
3207 let mut indent =
3208 buffer.indent_size_for_line(MultiBufferRow(start_point.row));
3209 indent.len = cmp::min(indent.len, start_point.column);
3210 let start = selection.start;
3211 let end = selection.end;
3212 let selection_is_empty = start == end;
3213 let language_scope = buffer.language_scope_at(start);
3214 let (comment_delimiter, insert_extra_newline) = if let Some(language) =
3215 &language_scope
3216 {
3217 let leading_whitespace_len = buffer
3218 .reversed_chars_at(start)
3219 .take_while(|c| c.is_whitespace() && *c != '\n')
3220 .map(|c| c.len_utf8())
3221 .sum::<usize>();
3222
3223 let trailing_whitespace_len = buffer
3224 .chars_at(end)
3225 .take_while(|c| c.is_whitespace() && *c != '\n')
3226 .map(|c| c.len_utf8())
3227 .sum::<usize>();
3228
3229 let insert_extra_newline =
3230 language.brackets().any(|(pair, enabled)| {
3231 let pair_start = pair.start.trim_end();
3232 let pair_end = pair.end.trim_start();
3233
3234 enabled
3235 && pair.newline
3236 && buffer.contains_str_at(
3237 end + trailing_whitespace_len,
3238 pair_end,
3239 )
3240 && buffer.contains_str_at(
3241 (start - leading_whitespace_len)
3242 .saturating_sub(pair_start.len()),
3243 pair_start,
3244 )
3245 });
3246
3247 // Comment extension on newline is allowed only for cursor selections
3248 let comment_delimiter = maybe!({
3249 if !selection_is_empty {
3250 return None;
3251 }
3252
3253 if !multi_buffer.settings_at(0, cx).extend_comment_on_newline {
3254 return None;
3255 }
3256
3257 let delimiters = language.line_comment_prefixes();
3258 let max_len_of_delimiter =
3259 delimiters.iter().map(|delimiter| delimiter.len()).max()?;
3260 let (snapshot, range) =
3261 buffer.buffer_line_for_row(MultiBufferRow(start_point.row))?;
3262
3263 let mut index_of_first_non_whitespace = 0;
3264 let comment_candidate = snapshot
3265 .chars_for_range(range)
3266 .skip_while(|c| {
3267 let should_skip = c.is_whitespace();
3268 if should_skip {
3269 index_of_first_non_whitespace += 1;
3270 }
3271 should_skip
3272 })
3273 .take(max_len_of_delimiter)
3274 .collect::<String>();
3275 let comment_prefix = delimiters.iter().find(|comment_prefix| {
3276 comment_candidate.starts_with(comment_prefix.as_ref())
3277 })?;
3278 let cursor_is_placed_after_comment_marker =
3279 index_of_first_non_whitespace + comment_prefix.len()
3280 <= start_point.column as usize;
3281 if cursor_is_placed_after_comment_marker {
3282 Some(comment_prefix.clone())
3283 } else {
3284 None
3285 }
3286 });
3287 (comment_delimiter, insert_extra_newline)
3288 } else {
3289 (None, false)
3290 };
3291
3292 let capacity_for_delimiter = comment_delimiter
3293 .as_deref()
3294 .map(str::len)
3295 .unwrap_or_default();
3296 let mut new_text =
3297 String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3298 new_text.push_str("\n");
3299 new_text.extend(indent.chars());
3300 if let Some(delimiter) = &comment_delimiter {
3301 new_text.push_str(&delimiter);
3302 }
3303 if insert_extra_newline {
3304 new_text = new_text.repeat(2);
3305 }
3306
3307 let anchor = buffer.anchor_after(end);
3308 let new_selection = selection.map(|_| anchor);
3309 (
3310 (start..end, new_text),
3311 (insert_extra_newline, new_selection),
3312 )
3313 })
3314 .unzip()
3315 };
3316
3317 this.edit_with_autoindent(edits, cx);
3318 let buffer = this.buffer.read(cx).snapshot(cx);
3319 let new_selections = selection_fixup_info
3320 .into_iter()
3321 .map(|(extra_newline_inserted, new_selection)| {
3322 let mut cursor = new_selection.end.to_point(&buffer);
3323 if extra_newline_inserted {
3324 cursor.row -= 1;
3325 cursor.column = buffer.line_len(MultiBufferRow(cursor.row));
3326 }
3327 new_selection.map(|_| cursor)
3328 })
3329 .collect();
3330
3331 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
3332 this.refresh_inline_completion(true, cx);
3333 });
3334 }
3335
3336 pub fn newline_above(&mut self, _: &NewlineAbove, cx: &mut ViewContext<Self>) {
3337 let buffer = self.buffer.read(cx);
3338 let snapshot = buffer.snapshot(cx);
3339
3340 let mut edits = Vec::new();
3341 let mut rows = Vec::new();
3342
3343 for (rows_inserted, selection) in self.selections.all_adjusted(cx).into_iter().enumerate() {
3344 let cursor = selection.head();
3345 let row = cursor.row;
3346
3347 let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3348
3349 let newline = "\n".to_string();
3350 edits.push((start_of_line..start_of_line, newline));
3351
3352 rows.push(row + rows_inserted as u32);
3353 }
3354
3355 self.transact(cx, |editor, cx| {
3356 editor.edit(edits, cx);
3357
3358 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3359 let mut index = 0;
3360 s.move_cursors_with(|map, _, _| {
3361 let row = rows[index];
3362 index += 1;
3363
3364 let point = Point::new(row, 0);
3365 let boundary = map.next_line_boundary(point).1;
3366 let clipped = map.clip_point(boundary, Bias::Left);
3367
3368 (clipped, SelectionGoal::None)
3369 });
3370 });
3371
3372 let mut indent_edits = Vec::new();
3373 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3374 for row in rows {
3375 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3376 for (row, indent) in indents {
3377 if indent.len == 0 {
3378 continue;
3379 }
3380
3381 let text = match indent.kind {
3382 IndentKind::Space => " ".repeat(indent.len as usize),
3383 IndentKind::Tab => "\t".repeat(indent.len as usize),
3384 };
3385 let point = Point::new(row.0, 0);
3386 indent_edits.push((point..point, text));
3387 }
3388 }
3389 editor.edit(indent_edits, cx);
3390 });
3391 }
3392
3393 pub fn newline_below(&mut self, _: &NewlineBelow, cx: &mut ViewContext<Self>) {
3394 let buffer = self.buffer.read(cx);
3395 let snapshot = buffer.snapshot(cx);
3396
3397 let mut edits = Vec::new();
3398 let mut rows = Vec::new();
3399 let mut rows_inserted = 0;
3400
3401 for selection in self.selections.all_adjusted(cx) {
3402 let cursor = selection.head();
3403 let row = cursor.row;
3404
3405 let point = Point::new(row + 1, 0);
3406 let start_of_line = snapshot.clip_point(point, Bias::Left);
3407
3408 let newline = "\n".to_string();
3409 edits.push((start_of_line..start_of_line, newline));
3410
3411 rows_inserted += 1;
3412 rows.push(row + rows_inserted);
3413 }
3414
3415 self.transact(cx, |editor, cx| {
3416 editor.edit(edits, cx);
3417
3418 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3419 let mut index = 0;
3420 s.move_cursors_with(|map, _, _| {
3421 let row = rows[index];
3422 index += 1;
3423
3424 let point = Point::new(row, 0);
3425 let boundary = map.next_line_boundary(point).1;
3426 let clipped = map.clip_point(boundary, Bias::Left);
3427
3428 (clipped, SelectionGoal::None)
3429 });
3430 });
3431
3432 let mut indent_edits = Vec::new();
3433 let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3434 for row in rows {
3435 let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3436 for (row, indent) in indents {
3437 if indent.len == 0 {
3438 continue;
3439 }
3440
3441 let text = match indent.kind {
3442 IndentKind::Space => " ".repeat(indent.len as usize),
3443 IndentKind::Tab => "\t".repeat(indent.len as usize),
3444 };
3445 let point = Point::new(row.0, 0);
3446 indent_edits.push((point..point, text));
3447 }
3448 }
3449 editor.edit(indent_edits, cx);
3450 });
3451 }
3452
3453 pub fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3454 let autoindent = text.is_empty().not().then(|| AutoindentMode::Block {
3455 original_indent_columns: Vec::new(),
3456 });
3457 self.insert_with_autoindent_mode(text, autoindent, cx);
3458 }
3459
3460 fn insert_with_autoindent_mode(
3461 &mut self,
3462 text: &str,
3463 autoindent_mode: Option<AutoindentMode>,
3464 cx: &mut ViewContext<Self>,
3465 ) {
3466 if self.read_only(cx) {
3467 return;
3468 }
3469
3470 let text: Arc<str> = text.into();
3471 self.transact(cx, |this, cx| {
3472 let old_selections = this.selections.all_adjusted(cx);
3473 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3474 let anchors = {
3475 let snapshot = buffer.read(cx);
3476 old_selections
3477 .iter()
3478 .map(|s| {
3479 let anchor = snapshot.anchor_after(s.head());
3480 s.map(|_| anchor)
3481 })
3482 .collect::<Vec<_>>()
3483 };
3484 buffer.edit(
3485 old_selections
3486 .iter()
3487 .map(|s| (s.start..s.end, text.clone())),
3488 autoindent_mode,
3489 cx,
3490 );
3491 anchors
3492 });
3493
3494 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
3495 s.select_anchors(selection_anchors);
3496 })
3497 });
3498 }
3499
3500 fn trigger_completion_on_input(
3501 &mut self,
3502 text: &str,
3503 trigger_in_words: bool,
3504 cx: &mut ViewContext<Self>,
3505 ) {
3506 if self.is_completion_trigger(text, trigger_in_words, cx) {
3507 self.show_completions(
3508 &ShowCompletions {
3509 trigger: text.chars().last(),
3510 },
3511 cx,
3512 );
3513 } else {
3514 self.hide_context_menu(cx);
3515 }
3516 }
3517
3518 fn is_completion_trigger(
3519 &self,
3520 text: &str,
3521 trigger_in_words: bool,
3522 cx: &mut ViewContext<Self>,
3523 ) -> bool {
3524 let position = self.selections.newest_anchor().head();
3525 let multibuffer = self.buffer.read(cx);
3526 let Some(buffer) = position
3527 .buffer_id
3528 .and_then(|buffer_id| multibuffer.buffer(buffer_id).clone())
3529 else {
3530 return false;
3531 };
3532
3533 if let Some(completion_provider) = &self.completion_provider {
3534 completion_provider.is_completion_trigger(
3535 &buffer,
3536 position.text_anchor,
3537 text,
3538 trigger_in_words,
3539 cx,
3540 )
3541 } else {
3542 false
3543 }
3544 }
3545
3546 /// If any empty selections is touching the start of its innermost containing autoclose
3547 /// region, expand it to select the brackets.
3548 fn select_autoclose_pair(&mut self, cx: &mut ViewContext<Self>) {
3549 let selections = self.selections.all::<usize>(cx);
3550 let buffer = self.buffer.read(cx).read(cx);
3551 let new_selections = self
3552 .selections_with_autoclose_regions(selections, &buffer)
3553 .map(|(mut selection, region)| {
3554 if !selection.is_empty() {
3555 return selection;
3556 }
3557
3558 if let Some(region) = region {
3559 let mut range = region.range.to_offset(&buffer);
3560 if selection.start == range.start && range.start >= region.pair.start.len() {
3561 range.start -= region.pair.start.len();
3562 if buffer.contains_str_at(range.start, ®ion.pair.start)
3563 && buffer.contains_str_at(range.end, ®ion.pair.end)
3564 {
3565 range.end += region.pair.end.len();
3566 selection.start = range.start;
3567 selection.end = range.end;
3568
3569 return selection;
3570 }
3571 }
3572 }
3573
3574 let always_treat_brackets_as_autoclosed = buffer
3575 .settings_at(selection.start, cx)
3576 .always_treat_brackets_as_autoclosed;
3577
3578 if !always_treat_brackets_as_autoclosed {
3579 return selection;
3580 }
3581
3582 if let Some(scope) = buffer.language_scope_at(selection.start) {
3583 for (pair, enabled) in scope.brackets() {
3584 if !enabled || !pair.close {
3585 continue;
3586 }
3587
3588 if buffer.contains_str_at(selection.start, &pair.end) {
3589 let pair_start_len = pair.start.len();
3590 if buffer.contains_str_at(selection.start - pair_start_len, &pair.start)
3591 {
3592 selection.start -= pair_start_len;
3593 selection.end += pair.end.len();
3594
3595 return selection;
3596 }
3597 }
3598 }
3599 }
3600
3601 selection
3602 })
3603 .collect();
3604
3605 drop(buffer);
3606 self.change_selections(None, cx, |selections| selections.select(new_selections));
3607 }
3608
3609 /// Iterate the given selections, and for each one, find the smallest surrounding
3610 /// autoclose region. This uses the ordering of the selections and the autoclose
3611 /// regions to avoid repeated comparisons.
3612 fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3613 &'a self,
3614 selections: impl IntoIterator<Item = Selection<D>>,
3615 buffer: &'a MultiBufferSnapshot,
3616 ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3617 let mut i = 0;
3618 let mut regions = self.autoclose_regions.as_slice();
3619 selections.into_iter().map(move |selection| {
3620 let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3621
3622 let mut enclosing = None;
3623 while let Some(pair_state) = regions.get(i) {
3624 if pair_state.range.end.to_offset(buffer) < range.start {
3625 regions = ®ions[i + 1..];
3626 i = 0;
3627 } else if pair_state.range.start.to_offset(buffer) > range.end {
3628 break;
3629 } else {
3630 if pair_state.selection_id == selection.id {
3631 enclosing = Some(pair_state);
3632 }
3633 i += 1;
3634 }
3635 }
3636
3637 (selection.clone(), enclosing)
3638 })
3639 }
3640
3641 /// Remove any autoclose regions that no longer contain their selection.
3642 fn invalidate_autoclose_regions(
3643 &mut self,
3644 mut selections: &[Selection<Anchor>],
3645 buffer: &MultiBufferSnapshot,
3646 ) {
3647 self.autoclose_regions.retain(|state| {
3648 let mut i = 0;
3649 while let Some(selection) = selections.get(i) {
3650 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3651 selections = &selections[1..];
3652 continue;
3653 }
3654 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3655 break;
3656 }
3657 if selection.id == state.selection_id {
3658 return true;
3659 } else {
3660 i += 1;
3661 }
3662 }
3663 false
3664 });
3665 }
3666
3667 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3668 let offset = position.to_offset(buffer);
3669 let (word_range, kind) = buffer.surrounding_word(offset);
3670 if offset > word_range.start && kind == Some(CharKind::Word) {
3671 Some(
3672 buffer
3673 .text_for_range(word_range.start..offset)
3674 .collect::<String>(),
3675 )
3676 } else {
3677 None
3678 }
3679 }
3680
3681 pub fn toggle_inlay_hints(&mut self, _: &ToggleInlayHints, cx: &mut ViewContext<Self>) {
3682 self.refresh_inlay_hints(
3683 InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3684 cx,
3685 );
3686 }
3687
3688 pub fn inlay_hints_enabled(&self) -> bool {
3689 self.inlay_hint_cache.enabled
3690 }
3691
3692 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut ViewContext<Self>) {
3693 if self.project.is_none() || self.mode != EditorMode::Full {
3694 return;
3695 }
3696
3697 let reason_description = reason.description();
3698 let ignore_debounce = matches!(
3699 reason,
3700 InlayHintRefreshReason::SettingsChange(_)
3701 | InlayHintRefreshReason::Toggle(_)
3702 | InlayHintRefreshReason::ExcerptsRemoved(_)
3703 );
3704 let (invalidate_cache, required_languages) = match reason {
3705 InlayHintRefreshReason::Toggle(enabled) => {
3706 self.inlay_hint_cache.enabled = enabled;
3707 if enabled {
3708 (InvalidationStrategy::RefreshRequested, None)
3709 } else {
3710 self.inlay_hint_cache.clear();
3711 self.splice_inlays(
3712 self.visible_inlay_hints(cx)
3713 .iter()
3714 .map(|inlay| inlay.id)
3715 .collect(),
3716 Vec::new(),
3717 cx,
3718 );
3719 return;
3720 }
3721 }
3722 InlayHintRefreshReason::SettingsChange(new_settings) => {
3723 match self.inlay_hint_cache.update_settings(
3724 &self.buffer,
3725 new_settings,
3726 self.visible_inlay_hints(cx),
3727 cx,
3728 ) {
3729 ControlFlow::Break(Some(InlaySplice {
3730 to_remove,
3731 to_insert,
3732 })) => {
3733 self.splice_inlays(to_remove, to_insert, cx);
3734 return;
3735 }
3736 ControlFlow::Break(None) => return,
3737 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3738 }
3739 }
3740 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3741 if let Some(InlaySplice {
3742 to_remove,
3743 to_insert,
3744 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3745 {
3746 self.splice_inlays(to_remove, to_insert, cx);
3747 }
3748 return;
3749 }
3750 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3751 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3752 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3753 }
3754 InlayHintRefreshReason::RefreshRequested => {
3755 (InvalidationStrategy::RefreshRequested, None)
3756 }
3757 };
3758
3759 if let Some(InlaySplice {
3760 to_remove,
3761 to_insert,
3762 }) = self.inlay_hint_cache.spawn_hint_refresh(
3763 reason_description,
3764 self.excerpts_for_inlay_hints_query(required_languages.as_ref(), cx),
3765 invalidate_cache,
3766 ignore_debounce,
3767 cx,
3768 ) {
3769 self.splice_inlays(to_remove, to_insert, cx);
3770 }
3771 }
3772
3773 fn visible_inlay_hints(&self, cx: &ViewContext<'_, Editor>) -> Vec<Inlay> {
3774 self.display_map
3775 .read(cx)
3776 .current_inlays()
3777 .filter(move |inlay| matches!(inlay.id, InlayId::Hint(_)))
3778 .cloned()
3779 .collect()
3780 }
3781
3782 pub fn excerpts_for_inlay_hints_query(
3783 &self,
3784 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3785 cx: &mut ViewContext<Editor>,
3786 ) -> HashMap<ExcerptId, (Model<Buffer>, clock::Global, Range<usize>)> {
3787 let Some(project) = self.project.as_ref() else {
3788 return HashMap::default();
3789 };
3790 let project = project.read(cx);
3791 let multi_buffer = self.buffer().read(cx);
3792 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3793 let multi_buffer_visible_start = self
3794 .scroll_manager
3795 .anchor()
3796 .anchor
3797 .to_point(&multi_buffer_snapshot);
3798 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3799 multi_buffer_visible_start
3800 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3801 Bias::Left,
3802 );
3803 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3804 multi_buffer
3805 .range_to_buffer_ranges(multi_buffer_visible_range, cx)
3806 .into_iter()
3807 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3808 .filter_map(|(buffer_handle, excerpt_visible_range, excerpt_id)| {
3809 let buffer = buffer_handle.read(cx);
3810 let buffer_file = project::File::from_dyn(buffer.file())?;
3811 let buffer_worktree = project.worktree_for_id(buffer_file.worktree_id(cx), cx)?;
3812 let worktree_entry = buffer_worktree
3813 .read(cx)
3814 .entry_for_id(buffer_file.project_entry_id(cx)?)?;
3815 if worktree_entry.is_ignored {
3816 return None;
3817 }
3818
3819 let language = buffer.language()?;
3820 if let Some(restrict_to_languages) = restrict_to_languages {
3821 if !restrict_to_languages.contains(language) {
3822 return None;
3823 }
3824 }
3825 Some((
3826 excerpt_id,
3827 (
3828 buffer_handle,
3829 buffer.version().clone(),
3830 excerpt_visible_range,
3831 ),
3832 ))
3833 })
3834 .collect()
3835 }
3836
3837 pub fn text_layout_details(&self, cx: &WindowContext) -> TextLayoutDetails {
3838 TextLayoutDetails {
3839 text_system: cx.text_system().clone(),
3840 editor_style: self.style.clone().unwrap(),
3841 rem_size: cx.rem_size(),
3842 scroll_anchor: self.scroll_manager.anchor(),
3843 visible_rows: self.visible_line_count(),
3844 vertical_scroll_margin: self.scroll_manager.vertical_scroll_margin,
3845 }
3846 }
3847
3848 fn splice_inlays(
3849 &self,
3850 to_remove: Vec<InlayId>,
3851 to_insert: Vec<Inlay>,
3852 cx: &mut ViewContext<Self>,
3853 ) {
3854 self.display_map.update(cx, |display_map, cx| {
3855 display_map.splice_inlays(to_remove, to_insert, cx);
3856 });
3857 cx.notify();
3858 }
3859
3860 fn trigger_on_type_formatting(
3861 &self,
3862 input: String,
3863 cx: &mut ViewContext<Self>,
3864 ) -> Option<Task<Result<()>>> {
3865 if input.len() != 1 {
3866 return None;
3867 }
3868
3869 let project = self.project.as_ref()?;
3870 let position = self.selections.newest_anchor().head();
3871 let (buffer, buffer_position) = self
3872 .buffer
3873 .read(cx)
3874 .text_anchor_for_position(position, cx)?;
3875
3876 // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3877 // hence we do LSP request & edit on host side only — add formats to host's history.
3878 let push_to_lsp_host_history = true;
3879 // If this is not the host, append its history with new edits.
3880 let push_to_client_history = project.read(cx).is_remote();
3881
3882 let on_type_formatting = project.update(cx, |project, cx| {
3883 project.on_type_format(
3884 buffer.clone(),
3885 buffer_position,
3886 input,
3887 push_to_lsp_host_history,
3888 cx,
3889 )
3890 });
3891 Some(cx.spawn(|editor, mut cx| async move {
3892 if let Some(transaction) = on_type_formatting.await? {
3893 if push_to_client_history {
3894 buffer
3895 .update(&mut cx, |buffer, _| {
3896 buffer.push_transaction(transaction, Instant::now());
3897 })
3898 .ok();
3899 }
3900 editor.update(&mut cx, |editor, cx| {
3901 editor.refresh_document_highlights(cx);
3902 })?;
3903 }
3904 Ok(())
3905 }))
3906 }
3907
3908 pub fn show_completions(&mut self, options: &ShowCompletions, cx: &mut ViewContext<Self>) {
3909 if self.pending_rename.is_some() {
3910 return;
3911 }
3912
3913 let Some(provider) = self.completion_provider.as_ref() else {
3914 return;
3915 };
3916
3917 let position = self.selections.newest_anchor().head();
3918 let (buffer, buffer_position) =
3919 if let Some(output) = self.buffer.read(cx).text_anchor_for_position(position, cx) {
3920 output
3921 } else {
3922 return;
3923 };
3924
3925 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position);
3926 let is_followup_invoke = {
3927 let context_menu_state = self.context_menu.read();
3928 matches!(
3929 context_menu_state.deref(),
3930 Some(ContextMenu::Completions(_))
3931 )
3932 };
3933 let trigger_kind = match (options.trigger, is_followup_invoke) {
3934 (_, true) => CompletionTriggerKind::TRIGGER_FOR_INCOMPLETE_COMPLETIONS,
3935 (Some(_), _) => CompletionTriggerKind::TRIGGER_CHARACTER,
3936 _ => CompletionTriggerKind::INVOKED,
3937 };
3938 let completion_context = CompletionContext {
3939 trigger_character: options.trigger.and_then(|c| {
3940 if trigger_kind == CompletionTriggerKind::TRIGGER_CHARACTER {
3941 Some(String::from(c))
3942 } else {
3943 None
3944 }
3945 }),
3946 trigger_kind,
3947 };
3948 let completions = provider.completions(&buffer, buffer_position, completion_context, cx);
3949
3950 let id = post_inc(&mut self.next_completion_id);
3951 let task = cx.spawn(|this, mut cx| {
3952 async move {
3953 this.update(&mut cx, |this, _| {
3954 this.completion_tasks.retain(|(task_id, _)| *task_id >= id);
3955 })?;
3956 let completions = completions.await.log_err();
3957 let menu = if let Some(completions) = completions {
3958 let mut menu = CompletionsMenu {
3959 id,
3960 initial_position: position,
3961 match_candidates: completions
3962 .iter()
3963 .enumerate()
3964 .map(|(id, completion)| {
3965 StringMatchCandidate::new(
3966 id,
3967 completion.label.text[completion.label.filter_range.clone()]
3968 .into(),
3969 )
3970 })
3971 .collect(),
3972 buffer: buffer.clone(),
3973 completions: Arc::new(RwLock::new(completions.into())),
3974 matches: Vec::new().into(),
3975 selected_item: 0,
3976 scroll_handle: UniformListScrollHandle::new(),
3977 selected_completion_documentation_resolve_debounce: Arc::new(Mutex::new(
3978 DebouncedDelay::new(),
3979 )),
3980 };
3981 menu.filter(query.as_deref(), cx.background_executor().clone())
3982 .await;
3983
3984 if menu.matches.is_empty() {
3985 None
3986 } else {
3987 this.update(&mut cx, |editor, cx| {
3988 let completions = menu.completions.clone();
3989 let matches = menu.matches.clone();
3990
3991 let delay_ms = EditorSettings::get_global(cx)
3992 .completion_documentation_secondary_query_debounce;
3993 let delay = Duration::from_millis(delay_ms);
3994 editor
3995 .completion_documentation_pre_resolve_debounce
3996 .fire_new(delay, cx, |editor, cx| {
3997 CompletionsMenu::pre_resolve_completion_documentation(
3998 buffer,
3999 completions,
4000 matches,
4001 editor,
4002 cx,
4003 )
4004 });
4005 })
4006 .ok();
4007 Some(menu)
4008 }
4009 } else {
4010 None
4011 };
4012
4013 this.update(&mut cx, |this, cx| {
4014 let mut context_menu = this.context_menu.write();
4015 match context_menu.as_ref() {
4016 None => {}
4017
4018 Some(ContextMenu::Completions(prev_menu)) => {
4019 if prev_menu.id > id {
4020 return;
4021 }
4022 }
4023
4024 _ => return,
4025 }
4026
4027 if this.focus_handle.is_focused(cx) && menu.is_some() {
4028 let menu = menu.unwrap();
4029 *context_menu = Some(ContextMenu::Completions(menu));
4030 drop(context_menu);
4031 this.discard_inline_completion(false, cx);
4032 cx.notify();
4033 } else if this.completion_tasks.len() <= 1 {
4034 // If there are no more completion tasks and the last menu was
4035 // empty, we should hide it. If it was already hidden, we should
4036 // also show the copilot completion when available.
4037 drop(context_menu);
4038 if this.hide_context_menu(cx).is_none() {
4039 this.update_visible_inline_completion(cx);
4040 }
4041 }
4042 })?;
4043
4044 Ok::<_, anyhow::Error>(())
4045 }
4046 .log_err()
4047 });
4048
4049 self.completion_tasks.push((id, task));
4050 }
4051
4052 pub fn confirm_completion(
4053 &mut self,
4054 action: &ConfirmCompletion,
4055 cx: &mut ViewContext<Self>,
4056 ) -> Option<Task<Result<()>>> {
4057 use language::ToOffset as _;
4058
4059 let completions_menu = if let ContextMenu::Completions(menu) = self.hide_context_menu(cx)? {
4060 menu
4061 } else {
4062 return None;
4063 };
4064
4065 let mat = completions_menu
4066 .matches
4067 .get(action.item_ix.unwrap_or(completions_menu.selected_item))?;
4068 let buffer_handle = completions_menu.buffer;
4069 let completions = completions_menu.completions.read();
4070 let completion = completions.get(mat.candidate_id)?;
4071 cx.stop_propagation();
4072
4073 let snippet;
4074 let text;
4075
4076 if completion.is_snippet() {
4077 snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
4078 text = snippet.as_ref().unwrap().text.clone();
4079 } else {
4080 snippet = None;
4081 text = completion.new_text.clone();
4082 };
4083 let selections = self.selections.all::<usize>(cx);
4084 let buffer = buffer_handle.read(cx);
4085 let old_range = completion.old_range.to_offset(buffer);
4086 let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
4087
4088 let newest_selection = self.selections.newest_anchor();
4089 if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
4090 return None;
4091 }
4092
4093 let lookbehind = newest_selection
4094 .start
4095 .text_anchor
4096 .to_offset(buffer)
4097 .saturating_sub(old_range.start);
4098 let lookahead = old_range
4099 .end
4100 .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
4101 let mut common_prefix_len = old_text
4102 .bytes()
4103 .zip(text.bytes())
4104 .take_while(|(a, b)| a == b)
4105 .count();
4106
4107 let snapshot = self.buffer.read(cx).snapshot(cx);
4108 let mut range_to_replace: Option<Range<isize>> = None;
4109 let mut ranges = Vec::new();
4110 let mut linked_edits = HashMap::<_, Vec<_>>::default();
4111 for selection in &selections {
4112 if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
4113 let start = selection.start.saturating_sub(lookbehind);
4114 let end = selection.end + lookahead;
4115 if selection.id == newest_selection.id {
4116 range_to_replace = Some(
4117 ((start + common_prefix_len) as isize - selection.start as isize)
4118 ..(end as isize - selection.start as isize),
4119 );
4120 }
4121 ranges.push(start + common_prefix_len..end);
4122 } else {
4123 common_prefix_len = 0;
4124 ranges.clear();
4125 ranges.extend(selections.iter().map(|s| {
4126 if s.id == newest_selection.id {
4127 range_to_replace = Some(
4128 old_range.start.to_offset_utf16(&snapshot).0 as isize
4129 - selection.start as isize
4130 ..old_range.end.to_offset_utf16(&snapshot).0 as isize
4131 - selection.start as isize,
4132 );
4133 old_range.clone()
4134 } else {
4135 s.start..s.end
4136 }
4137 }));
4138 break;
4139 }
4140 if !self.linked_edit_ranges.is_empty() {
4141 let start_anchor = snapshot.anchor_before(selection.head());
4142 let end_anchor = snapshot.anchor_after(selection.tail());
4143 if let Some(ranges) = self
4144 .linked_editing_ranges_for(start_anchor.text_anchor..end_anchor.text_anchor, cx)
4145 {
4146 for (buffer, edits) in ranges {
4147 linked_edits.entry(buffer.clone()).or_default().extend(
4148 edits
4149 .into_iter()
4150 .map(|range| (range, text[common_prefix_len..].to_owned())),
4151 );
4152 }
4153 }
4154 }
4155 }
4156 let text = &text[common_prefix_len..];
4157
4158 cx.emit(EditorEvent::InputHandled {
4159 utf16_range_to_replace: range_to_replace,
4160 text: text.into(),
4161 });
4162
4163 self.transact(cx, |this, cx| {
4164 if let Some(mut snippet) = snippet {
4165 snippet.text = text.to_string();
4166 for tabstop in snippet.tabstops.iter_mut().flatten() {
4167 tabstop.start -= common_prefix_len as isize;
4168 tabstop.end -= common_prefix_len as isize;
4169 }
4170
4171 this.insert_snippet(&ranges, snippet, cx).log_err();
4172 } else {
4173 this.buffer.update(cx, |buffer, cx| {
4174 buffer.edit(
4175 ranges.iter().map(|range| (range.clone(), text)),
4176 this.autoindent_mode.clone(),
4177 cx,
4178 );
4179 });
4180 }
4181 for (buffer, edits) in linked_edits {
4182 buffer.update(cx, |buffer, cx| {
4183 let snapshot = buffer.snapshot();
4184 let edits = edits
4185 .into_iter()
4186 .map(|(range, text)| {
4187 use text::ToPoint as TP;
4188 let end_point = TP::to_point(&range.end, &snapshot);
4189 let start_point = TP::to_point(&range.start, &snapshot);
4190 (start_point..end_point, text)
4191 })
4192 .sorted_by_key(|(range, _)| range.start)
4193 .collect::<Vec<_>>();
4194 buffer.edit(edits, None, cx);
4195 })
4196 }
4197
4198 this.refresh_inline_completion(true, cx);
4199 });
4200
4201 if let Some(confirm) = completion.confirm.as_ref() {
4202 (confirm)(cx);
4203 }
4204
4205 if completion.show_new_completions_on_confirm {
4206 self.show_completions(&ShowCompletions { trigger: None }, cx);
4207 }
4208
4209 let provider = self.completion_provider.as_ref()?;
4210 let apply_edits = provider.apply_additional_edits_for_completion(
4211 buffer_handle,
4212 completion.clone(),
4213 true,
4214 cx,
4215 );
4216 Some(cx.foreground_executor().spawn(async move {
4217 apply_edits.await?;
4218 Ok(())
4219 }))
4220 }
4221
4222 pub fn toggle_code_actions(&mut self, action: &ToggleCodeActions, cx: &mut ViewContext<Self>) {
4223 let mut context_menu = self.context_menu.write();
4224 if let Some(ContextMenu::CodeActions(code_actions)) = context_menu.as_ref() {
4225 if code_actions.deployed_from_indicator == action.deployed_from_indicator {
4226 // Toggle if we're selecting the same one
4227 *context_menu = None;
4228 cx.notify();
4229 return;
4230 } else {
4231 // Otherwise, clear it and start a new one
4232 *context_menu = None;
4233 cx.notify();
4234 }
4235 }
4236 drop(context_menu);
4237 let snapshot = self.snapshot(cx);
4238 let deployed_from_indicator = action.deployed_from_indicator;
4239 let mut task = self.code_actions_task.take();
4240 let action = action.clone();
4241 cx.spawn(|editor, mut cx| async move {
4242 while let Some(prev_task) = task {
4243 prev_task.await;
4244 task = editor.update(&mut cx, |this, _| this.code_actions_task.take())?;
4245 }
4246
4247 let spawned_test_task = editor.update(&mut cx, |editor, cx| {
4248 if editor.focus_handle.is_focused(cx) {
4249 let multibuffer_point = action
4250 .deployed_from_indicator
4251 .map(|row| DisplayPoint::new(row, 0).to_point(&snapshot))
4252 .unwrap_or_else(|| editor.selections.newest::<Point>(cx).head());
4253 let (buffer, buffer_row) = snapshot
4254 .buffer_snapshot
4255 .buffer_line_for_row(MultiBufferRow(multibuffer_point.row))
4256 .and_then(|(buffer_snapshot, range)| {
4257 editor
4258 .buffer
4259 .read(cx)
4260 .buffer(buffer_snapshot.remote_id())
4261 .map(|buffer| (buffer, range.start.row))
4262 })?;
4263 let (_, code_actions) = editor
4264 .available_code_actions
4265 .clone()
4266 .and_then(|(location, code_actions)| {
4267 let snapshot = location.buffer.read(cx).snapshot();
4268 let point_range = location.range.to_point(&snapshot);
4269 let point_range = point_range.start.row..=point_range.end.row;
4270 if point_range.contains(&buffer_row) {
4271 Some((location, code_actions))
4272 } else {
4273 None
4274 }
4275 })
4276 .unzip();
4277 let buffer_id = buffer.read(cx).remote_id();
4278 let tasks = editor
4279 .tasks
4280 .get(&(buffer_id, buffer_row))
4281 .map(|t| Arc::new(t.to_owned()));
4282 if tasks.is_none() && code_actions.is_none() {
4283 return None;
4284 }
4285
4286 editor.completion_tasks.clear();
4287 editor.discard_inline_completion(false, cx);
4288 let task_context =
4289 tasks
4290 .as_ref()
4291 .zip(editor.project.clone())
4292 .map(|(tasks, project)| {
4293 let position = Point::new(buffer_row, tasks.column);
4294 let range_start = buffer.read(cx).anchor_at(position, Bias::Right);
4295 let location = Location {
4296 buffer: buffer.clone(),
4297 range: range_start..range_start,
4298 };
4299 // Fill in the environmental variables from the tree-sitter captures
4300 let mut captured_task_variables = TaskVariables::default();
4301 for (capture_name, value) in tasks.extra_variables.clone() {
4302 captured_task_variables.insert(
4303 task::VariableName::Custom(capture_name.into()),
4304 value.clone(),
4305 );
4306 }
4307 project.update(cx, |project, cx| {
4308 project.task_context_for_location(
4309 captured_task_variables,
4310 location,
4311 cx,
4312 )
4313 })
4314 });
4315
4316 Some(cx.spawn(|editor, mut cx| async move {
4317 let task_context = match task_context {
4318 Some(task_context) => task_context.await,
4319 None => None,
4320 };
4321 let resolved_tasks =
4322 tasks.zip(task_context).map(|(tasks, task_context)| {
4323 Arc::new(ResolvedTasks {
4324 templates: tasks
4325 .templates
4326 .iter()
4327 .filter_map(|(kind, template)| {
4328 template
4329 .resolve_task(&kind.to_id_base(), &task_context)
4330 .map(|task| (kind.clone(), task))
4331 })
4332 .collect(),
4333 position: snapshot.buffer_snapshot.anchor_before(Point::new(
4334 multibuffer_point.row,
4335 tasks.column,
4336 )),
4337 })
4338 });
4339 let spawn_straight_away = resolved_tasks
4340 .as_ref()
4341 .map_or(false, |tasks| tasks.templates.len() == 1)
4342 && code_actions
4343 .as_ref()
4344 .map_or(true, |actions| actions.is_empty());
4345 if let Some(task) = editor
4346 .update(&mut cx, |editor, cx| {
4347 *editor.context_menu.write() =
4348 Some(ContextMenu::CodeActions(CodeActionsMenu {
4349 buffer,
4350 actions: CodeActionContents {
4351 tasks: resolved_tasks,
4352 actions: code_actions,
4353 },
4354 selected_item: Default::default(),
4355 scroll_handle: UniformListScrollHandle::default(),
4356 deployed_from_indicator,
4357 }));
4358 if spawn_straight_away {
4359 if let Some(task) = editor.confirm_code_action(
4360 &ConfirmCodeAction { item_ix: Some(0) },
4361 cx,
4362 ) {
4363 cx.notify();
4364 return task;
4365 }
4366 }
4367 cx.notify();
4368 Task::ready(Ok(()))
4369 })
4370 .ok()
4371 {
4372 task.await
4373 } else {
4374 Ok(())
4375 }
4376 }))
4377 } else {
4378 Some(Task::ready(Ok(())))
4379 }
4380 })?;
4381 if let Some(task) = spawned_test_task {
4382 task.await?;
4383 }
4384
4385 Ok::<_, anyhow::Error>(())
4386 })
4387 .detach_and_log_err(cx);
4388 }
4389
4390 pub fn confirm_code_action(
4391 &mut self,
4392 action: &ConfirmCodeAction,
4393 cx: &mut ViewContext<Self>,
4394 ) -> Option<Task<Result<()>>> {
4395 let actions_menu = if let ContextMenu::CodeActions(menu) = self.hide_context_menu(cx)? {
4396 menu
4397 } else {
4398 return None;
4399 };
4400 let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
4401 let action = actions_menu.actions.get(action_ix)?;
4402 let title = action.label();
4403 let buffer = actions_menu.buffer;
4404 let workspace = self.workspace()?;
4405
4406 match action {
4407 CodeActionsItem::Task(task_source_kind, resolved_task) => {
4408 workspace.update(cx, |workspace, cx| {
4409 workspace::tasks::schedule_resolved_task(
4410 workspace,
4411 task_source_kind,
4412 resolved_task,
4413 false,
4414 cx,
4415 );
4416
4417 Some(Task::ready(Ok(())))
4418 })
4419 }
4420 CodeActionsItem::CodeAction(action) => {
4421 let apply_code_actions = workspace
4422 .read(cx)
4423 .project()
4424 .clone()
4425 .update(cx, |project, cx| {
4426 project.apply_code_action(buffer, action, true, cx)
4427 });
4428 let workspace = workspace.downgrade();
4429 Some(cx.spawn(|editor, cx| async move {
4430 let project_transaction = apply_code_actions.await?;
4431 Self::open_project_transaction(
4432 &editor,
4433 workspace,
4434 project_transaction,
4435 title,
4436 cx,
4437 )
4438 .await
4439 }))
4440 }
4441 }
4442 }
4443
4444 pub async fn open_project_transaction(
4445 this: &WeakView<Editor>,
4446 workspace: WeakView<Workspace>,
4447 transaction: ProjectTransaction,
4448 title: String,
4449 mut cx: AsyncWindowContext,
4450 ) -> Result<()> {
4451 let replica_id = this.update(&mut cx, |this, cx| this.replica_id(cx))?;
4452
4453 let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
4454 cx.update(|cx| {
4455 entries.sort_unstable_by_key(|(buffer, _)| {
4456 buffer.read(cx).file().map(|f| f.path().clone())
4457 });
4458 })?;
4459
4460 // If the project transaction's edits are all contained within this editor, then
4461 // avoid opening a new editor to display them.
4462
4463 if let Some((buffer, transaction)) = entries.first() {
4464 if entries.len() == 1 {
4465 let excerpt = this.update(&mut cx, |editor, cx| {
4466 editor
4467 .buffer()
4468 .read(cx)
4469 .excerpt_containing(editor.selections.newest_anchor().head(), cx)
4470 })?;
4471 if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
4472 if excerpted_buffer == *buffer {
4473 let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
4474 let excerpt_range = excerpt_range.to_offset(buffer);
4475 buffer
4476 .edited_ranges_for_transaction::<usize>(transaction)
4477 .all(|range| {
4478 excerpt_range.start <= range.start
4479 && excerpt_range.end >= range.end
4480 })
4481 })?;
4482
4483 if all_edits_within_excerpt {
4484 return Ok(());
4485 }
4486 }
4487 }
4488 }
4489 } else {
4490 return Ok(());
4491 }
4492
4493 let mut ranges_to_highlight = Vec::new();
4494 let excerpt_buffer = cx.new_model(|cx| {
4495 let mut multibuffer =
4496 MultiBuffer::new(replica_id, Capability::ReadWrite).with_title(title);
4497 for (buffer_handle, transaction) in &entries {
4498 let buffer = buffer_handle.read(cx);
4499 ranges_to_highlight.extend(
4500 multibuffer.push_excerpts_with_context_lines(
4501 buffer_handle.clone(),
4502 buffer
4503 .edited_ranges_for_transaction::<usize>(transaction)
4504 .collect(),
4505 DEFAULT_MULTIBUFFER_CONTEXT,
4506 cx,
4507 ),
4508 );
4509 }
4510 multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
4511 multibuffer
4512 })?;
4513
4514 workspace.update(&mut cx, |workspace, cx| {
4515 let project = workspace.project().clone();
4516 let editor =
4517 cx.new_view(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), true, cx));
4518 workspace.add_item_to_active_pane(Box::new(editor.clone()), None, cx);
4519 editor.update(cx, |editor, cx| {
4520 editor.highlight_background::<Self>(
4521 &ranges_to_highlight,
4522 |theme| theme.editor_highlighted_line_background,
4523 cx,
4524 );
4525 });
4526 })?;
4527
4528 Ok(())
4529 }
4530
4531 fn refresh_code_actions(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
4532 let project = self.project.clone()?;
4533 let buffer = self.buffer.read(cx);
4534 let newest_selection = self.selections.newest_anchor().clone();
4535 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
4536 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
4537 if start_buffer != end_buffer {
4538 return None;
4539 }
4540
4541 self.code_actions_task = Some(cx.spawn(|this, mut cx| async move {
4542 cx.background_executor()
4543 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
4544 .await;
4545
4546 let actions = if let Ok(code_actions) = project.update(&mut cx, |project, cx| {
4547 project.code_actions(&start_buffer, start..end, cx)
4548 }) {
4549 code_actions.await
4550 } else {
4551 Vec::new()
4552 };
4553
4554 this.update(&mut cx, |this, cx| {
4555 this.available_code_actions = if actions.is_empty() {
4556 None
4557 } else {
4558 Some((
4559 Location {
4560 buffer: start_buffer,
4561 range: start..end,
4562 },
4563 actions.into(),
4564 ))
4565 };
4566 cx.notify();
4567 })
4568 .log_err();
4569 }));
4570 None
4571 }
4572
4573 fn start_inline_blame_timer(&mut self, cx: &mut ViewContext<Self>) {
4574 if let Some(delay) = ProjectSettings::get_global(cx).git.inline_blame_delay() {
4575 self.show_git_blame_inline = false;
4576
4577 self.show_git_blame_inline_delay_task = Some(cx.spawn(|this, mut cx| async move {
4578 cx.background_executor().timer(delay).await;
4579
4580 this.update(&mut cx, |this, cx| {
4581 this.show_git_blame_inline = true;
4582 cx.notify();
4583 })
4584 .log_err();
4585 }));
4586 }
4587 }
4588
4589 fn refresh_document_highlights(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
4590 if self.pending_rename.is_some() {
4591 return None;
4592 }
4593
4594 let project = self.project.clone()?;
4595 let buffer = self.buffer.read(cx);
4596 let newest_selection = self.selections.newest_anchor().clone();
4597 let cursor_position = newest_selection.head();
4598 let (cursor_buffer, cursor_buffer_position) =
4599 buffer.text_anchor_for_position(cursor_position, cx)?;
4600 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
4601 if cursor_buffer != tail_buffer {
4602 return None;
4603 }
4604
4605 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
4606 cx.background_executor()
4607 .timer(DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT)
4608 .await;
4609
4610 let highlights = if let Some(highlights) = project
4611 .update(&mut cx, |project, cx| {
4612 project.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
4613 })
4614 .log_err()
4615 {
4616 highlights.await.log_err()
4617 } else {
4618 None
4619 };
4620
4621 if let Some(highlights) = highlights {
4622 this.update(&mut cx, |this, cx| {
4623 if this.pending_rename.is_some() {
4624 return;
4625 }
4626
4627 let buffer_id = cursor_position.buffer_id;
4628 let buffer = this.buffer.read(cx);
4629 if !buffer
4630 .text_anchor_for_position(cursor_position, cx)
4631 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4632 {
4633 return;
4634 }
4635
4636 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4637 let mut write_ranges = Vec::new();
4638 let mut read_ranges = Vec::new();
4639 for highlight in highlights {
4640 for (excerpt_id, excerpt_range) in
4641 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4642 {
4643 let start = highlight
4644 .range
4645 .start
4646 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4647 let end = highlight
4648 .range
4649 .end
4650 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4651 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4652 continue;
4653 }
4654
4655 let range = Anchor {
4656 buffer_id,
4657 excerpt_id: excerpt_id,
4658 text_anchor: start,
4659 }..Anchor {
4660 buffer_id,
4661 excerpt_id,
4662 text_anchor: end,
4663 };
4664 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4665 write_ranges.push(range);
4666 } else {
4667 read_ranges.push(range);
4668 }
4669 }
4670 }
4671
4672 this.highlight_background::<DocumentHighlightRead>(
4673 &read_ranges,
4674 |theme| theme.editor_document_highlight_read_background,
4675 cx,
4676 );
4677 this.highlight_background::<DocumentHighlightWrite>(
4678 &write_ranges,
4679 |theme| theme.editor_document_highlight_write_background,
4680 cx,
4681 );
4682 cx.notify();
4683 })
4684 .log_err();
4685 }
4686 }));
4687 None
4688 }
4689
4690 fn refresh_inline_completion(
4691 &mut self,
4692 debounce: bool,
4693 cx: &mut ViewContext<Self>,
4694 ) -> Option<()> {
4695 let provider = self.inline_completion_provider()?;
4696 let cursor = self.selections.newest_anchor().head();
4697 let (buffer, cursor_buffer_position) =
4698 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4699 if !self.show_inline_completions
4700 || !provider.is_enabled(&buffer, cursor_buffer_position, cx)
4701 {
4702 self.discard_inline_completion(false, cx);
4703 return None;
4704 }
4705
4706 self.update_visible_inline_completion(cx);
4707 provider.refresh(buffer, cursor_buffer_position, debounce, cx);
4708 Some(())
4709 }
4710
4711 fn cycle_inline_completion(
4712 &mut self,
4713 direction: Direction,
4714 cx: &mut ViewContext<Self>,
4715 ) -> Option<()> {
4716 let provider = self.inline_completion_provider()?;
4717 let cursor = self.selections.newest_anchor().head();
4718 let (buffer, cursor_buffer_position) =
4719 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4720 if !self.show_inline_completions
4721 || !provider.is_enabled(&buffer, cursor_buffer_position, cx)
4722 {
4723 return None;
4724 }
4725
4726 provider.cycle(buffer, cursor_buffer_position, direction, cx);
4727 self.update_visible_inline_completion(cx);
4728
4729 Some(())
4730 }
4731
4732 pub fn show_inline_completion(&mut self, _: &ShowInlineCompletion, cx: &mut ViewContext<Self>) {
4733 if !self.has_active_inline_completion(cx) {
4734 self.refresh_inline_completion(false, cx);
4735 return;
4736 }
4737
4738 self.update_visible_inline_completion(cx);
4739 }
4740
4741 pub fn display_cursor_names(&mut self, _: &DisplayCursorNames, cx: &mut ViewContext<Self>) {
4742 self.show_cursor_names(cx);
4743 }
4744
4745 fn show_cursor_names(&mut self, cx: &mut ViewContext<Self>) {
4746 self.show_cursor_names = true;
4747 cx.notify();
4748 cx.spawn(|this, mut cx| async move {
4749 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
4750 this.update(&mut cx, |this, cx| {
4751 this.show_cursor_names = false;
4752 cx.notify()
4753 })
4754 .ok()
4755 })
4756 .detach();
4757 }
4758
4759 pub fn next_inline_completion(&mut self, _: &NextInlineCompletion, cx: &mut ViewContext<Self>) {
4760 if self.has_active_inline_completion(cx) {
4761 self.cycle_inline_completion(Direction::Next, cx);
4762 } else {
4763 let is_copilot_disabled = self.refresh_inline_completion(false, cx).is_none();
4764 if is_copilot_disabled {
4765 cx.propagate();
4766 }
4767 }
4768 }
4769
4770 pub fn previous_inline_completion(
4771 &mut self,
4772 _: &PreviousInlineCompletion,
4773 cx: &mut ViewContext<Self>,
4774 ) {
4775 if self.has_active_inline_completion(cx) {
4776 self.cycle_inline_completion(Direction::Prev, cx);
4777 } else {
4778 let is_copilot_disabled = self.refresh_inline_completion(false, cx).is_none();
4779 if is_copilot_disabled {
4780 cx.propagate();
4781 }
4782 }
4783 }
4784
4785 pub fn accept_inline_completion(
4786 &mut self,
4787 _: &AcceptInlineCompletion,
4788 cx: &mut ViewContext<Self>,
4789 ) {
4790 let Some(completion) = self.take_active_inline_completion(cx) else {
4791 return;
4792 };
4793 if let Some(provider) = self.inline_completion_provider() {
4794 provider.accept(cx);
4795 }
4796
4797 cx.emit(EditorEvent::InputHandled {
4798 utf16_range_to_replace: None,
4799 text: completion.text.to_string().into(),
4800 });
4801 self.insert_with_autoindent_mode(&completion.text.to_string(), None, cx);
4802 self.refresh_inline_completion(true, cx);
4803 cx.notify();
4804 }
4805
4806 pub fn accept_partial_inline_completion(
4807 &mut self,
4808 _: &AcceptPartialInlineCompletion,
4809 cx: &mut ViewContext<Self>,
4810 ) {
4811 if self.selections.count() == 1 && self.has_active_inline_completion(cx) {
4812 if let Some(completion) = self.take_active_inline_completion(cx) {
4813 let mut partial_completion = completion
4814 .text
4815 .chars()
4816 .by_ref()
4817 .take_while(|c| c.is_alphabetic())
4818 .collect::<String>();
4819 if partial_completion.is_empty() {
4820 partial_completion = completion
4821 .text
4822 .chars()
4823 .by_ref()
4824 .take_while(|c| c.is_whitespace() || !c.is_alphabetic())
4825 .collect::<String>();
4826 }
4827
4828 cx.emit(EditorEvent::InputHandled {
4829 utf16_range_to_replace: None,
4830 text: partial_completion.clone().into(),
4831 });
4832 self.insert_with_autoindent_mode(&partial_completion, None, cx);
4833 self.refresh_inline_completion(true, cx);
4834 cx.notify();
4835 }
4836 }
4837 }
4838
4839 fn discard_inline_completion(
4840 &mut self,
4841 should_report_inline_completion_event: bool,
4842 cx: &mut ViewContext<Self>,
4843 ) -> bool {
4844 if let Some(provider) = self.inline_completion_provider() {
4845 provider.discard(should_report_inline_completion_event, cx);
4846 }
4847
4848 self.take_active_inline_completion(cx).is_some()
4849 }
4850
4851 pub fn has_active_inline_completion(&self, cx: &AppContext) -> bool {
4852 if let Some(completion) = self.active_inline_completion.as_ref() {
4853 let buffer = self.buffer.read(cx).read(cx);
4854 completion.position.is_valid(&buffer)
4855 } else {
4856 false
4857 }
4858 }
4859
4860 fn take_active_inline_completion(&mut self, cx: &mut ViewContext<Self>) -> Option<Inlay> {
4861 let completion = self.active_inline_completion.take()?;
4862 self.display_map.update(cx, |map, cx| {
4863 map.splice_inlays(vec![completion.id], Default::default(), cx);
4864 });
4865 let buffer = self.buffer.read(cx).read(cx);
4866
4867 if completion.position.is_valid(&buffer) {
4868 Some(completion)
4869 } else {
4870 None
4871 }
4872 }
4873
4874 fn update_visible_inline_completion(&mut self, cx: &mut ViewContext<Self>) {
4875 let selection = self.selections.newest_anchor();
4876 let cursor = selection.head();
4877
4878 if self.context_menu.read().is_none()
4879 && self.completion_tasks.is_empty()
4880 && selection.start == selection.end
4881 {
4882 if let Some(provider) = self.inline_completion_provider() {
4883 if let Some((buffer, cursor_buffer_position)) =
4884 self.buffer.read(cx).text_anchor_for_position(cursor, cx)
4885 {
4886 if let Some(text) =
4887 provider.active_completion_text(&buffer, cursor_buffer_position, cx)
4888 {
4889 let text = Rope::from(text);
4890 let mut to_remove = Vec::new();
4891 if let Some(completion) = self.active_inline_completion.take() {
4892 to_remove.push(completion.id);
4893 }
4894
4895 let completion_inlay =
4896 Inlay::suggestion(post_inc(&mut self.next_inlay_id), cursor, text);
4897 self.active_inline_completion = Some(completion_inlay.clone());
4898 self.display_map.update(cx, move |map, cx| {
4899 map.splice_inlays(to_remove, vec![completion_inlay], cx)
4900 });
4901 cx.notify();
4902 return;
4903 }
4904 }
4905 }
4906 }
4907
4908 self.discard_inline_completion(false, cx);
4909 }
4910
4911 fn inline_completion_provider(&self) -> Option<Arc<dyn InlineCompletionProviderHandle>> {
4912 Some(self.inline_completion_provider.as_ref()?.provider.clone())
4913 }
4914
4915 fn render_code_actions_indicator(
4916 &self,
4917 _style: &EditorStyle,
4918 row: DisplayRow,
4919 is_active: bool,
4920 cx: &mut ViewContext<Self>,
4921 ) -> Option<IconButton> {
4922 if self.available_code_actions.is_some() {
4923 Some(
4924 IconButton::new("code_actions_indicator", ui::IconName::Bolt)
4925 .shape(ui::IconButtonShape::Square)
4926 .icon_size(IconSize::XSmall)
4927 .icon_color(Color::Muted)
4928 .selected(is_active)
4929 .on_click(cx.listener(move |editor, _e, cx| {
4930 editor.focus(cx);
4931 editor.toggle_code_actions(
4932 &ToggleCodeActions {
4933 deployed_from_indicator: Some(row),
4934 },
4935 cx,
4936 );
4937 })),
4938 )
4939 } else {
4940 None
4941 }
4942 }
4943
4944 fn clear_tasks(&mut self) {
4945 self.tasks.clear()
4946 }
4947
4948 fn insert_tasks(&mut self, key: (BufferId, BufferRow), value: RunnableTasks) {
4949 if let Some(_) = self.tasks.insert(key, value) {
4950 // This case should hopefully be rare, but just in case...
4951 log::error!("multiple different run targets found on a single line, only the last target will be rendered")
4952 }
4953 }
4954
4955 fn render_run_indicator(
4956 &self,
4957 _style: &EditorStyle,
4958 is_active: bool,
4959 row: DisplayRow,
4960 cx: &mut ViewContext<Self>,
4961 ) -> IconButton {
4962 IconButton::new(("run_indicator", row.0 as usize), ui::IconName::Play)
4963 .shape(ui::IconButtonShape::Square)
4964 .icon_size(IconSize::XSmall)
4965 .icon_color(Color::Muted)
4966 .selected(is_active)
4967 .on_click(cx.listener(move |editor, _e, cx| {
4968 editor.focus(cx);
4969 editor.toggle_code_actions(
4970 &ToggleCodeActions {
4971 deployed_from_indicator: Some(row),
4972 },
4973 cx,
4974 );
4975 }))
4976 }
4977
4978 pub fn context_menu_visible(&self) -> bool {
4979 self.context_menu
4980 .read()
4981 .as_ref()
4982 .map_or(false, |menu| menu.visible())
4983 }
4984
4985 fn render_context_menu(
4986 &self,
4987 cursor_position: DisplayPoint,
4988 style: &EditorStyle,
4989 max_height: Pixels,
4990 cx: &mut ViewContext<Editor>,
4991 ) -> Option<(ContextMenuOrigin, AnyElement)> {
4992 self.context_menu.read().as_ref().map(|menu| {
4993 menu.render(
4994 cursor_position,
4995 style,
4996 max_height,
4997 self.workspace.as_ref().map(|(w, _)| w.clone()),
4998 cx,
4999 )
5000 })
5001 }
5002
5003 fn hide_context_menu(&mut self, cx: &mut ViewContext<Self>) -> Option<ContextMenu> {
5004 cx.notify();
5005 self.completion_tasks.clear();
5006 let context_menu = self.context_menu.write().take();
5007 if context_menu.is_some() {
5008 self.update_visible_inline_completion(cx);
5009 }
5010 context_menu
5011 }
5012
5013 pub fn insert_snippet(
5014 &mut self,
5015 insertion_ranges: &[Range<usize>],
5016 snippet: Snippet,
5017 cx: &mut ViewContext<Self>,
5018 ) -> Result<()> {
5019 struct Tabstop<T> {
5020 is_end_tabstop: bool,
5021 ranges: Vec<Range<T>>,
5022 }
5023
5024 let tabstops = self.buffer.update(cx, |buffer, cx| {
5025 let snippet_text: Arc<str> = snippet.text.clone().into();
5026 buffer.edit(
5027 insertion_ranges
5028 .iter()
5029 .cloned()
5030 .map(|range| (range, snippet_text.clone())),
5031 Some(AutoindentMode::EachLine),
5032 cx,
5033 );
5034
5035 let snapshot = &*buffer.read(cx);
5036 let snippet = &snippet;
5037 snippet
5038 .tabstops
5039 .iter()
5040 .map(|tabstop| {
5041 let is_end_tabstop = tabstop.first().map_or(false, |tabstop| {
5042 tabstop.is_empty() && tabstop.start == snippet.text.len() as isize
5043 });
5044 let mut tabstop_ranges = tabstop
5045 .iter()
5046 .flat_map(|tabstop_range| {
5047 let mut delta = 0_isize;
5048 insertion_ranges.iter().map(move |insertion_range| {
5049 let insertion_start = insertion_range.start as isize + delta;
5050 delta +=
5051 snippet.text.len() as isize - insertion_range.len() as isize;
5052
5053 let start = ((insertion_start + tabstop_range.start) as usize)
5054 .min(snapshot.len());
5055 let end = ((insertion_start + tabstop_range.end) as usize)
5056 .min(snapshot.len());
5057 snapshot.anchor_before(start)..snapshot.anchor_after(end)
5058 })
5059 })
5060 .collect::<Vec<_>>();
5061 tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
5062
5063 Tabstop {
5064 is_end_tabstop,
5065 ranges: tabstop_ranges,
5066 }
5067 })
5068 .collect::<Vec<_>>()
5069 });
5070
5071 if let Some(tabstop) = tabstops.first() {
5072 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5073 s.select_ranges(tabstop.ranges.iter().cloned());
5074 });
5075
5076 // If we're already at the last tabstop and it's at the end of the snippet,
5077 // we're done, we don't need to keep the state around.
5078 if !tabstop.is_end_tabstop {
5079 let ranges = tabstops
5080 .into_iter()
5081 .map(|tabstop| tabstop.ranges)
5082 .collect::<Vec<_>>();
5083 self.snippet_stack.push(SnippetState {
5084 active_index: 0,
5085 ranges,
5086 });
5087 }
5088
5089 // Check whether the just-entered snippet ends with an auto-closable bracket.
5090 if self.autoclose_regions.is_empty() {
5091 let snapshot = self.buffer.read(cx).snapshot(cx);
5092 for selection in &mut self.selections.all::<Point>(cx) {
5093 let selection_head = selection.head();
5094 let Some(scope) = snapshot.language_scope_at(selection_head) else {
5095 continue;
5096 };
5097
5098 let mut bracket_pair = None;
5099 let next_chars = snapshot.chars_at(selection_head).collect::<String>();
5100 let prev_chars = snapshot
5101 .reversed_chars_at(selection_head)
5102 .collect::<String>();
5103 for (pair, enabled) in scope.brackets() {
5104 if enabled
5105 && pair.close
5106 && prev_chars.starts_with(pair.start.as_str())
5107 && next_chars.starts_with(pair.end.as_str())
5108 {
5109 bracket_pair = Some(pair.clone());
5110 break;
5111 }
5112 }
5113 if let Some(pair) = bracket_pair {
5114 let start = snapshot.anchor_after(selection_head);
5115 let end = snapshot.anchor_after(selection_head);
5116 self.autoclose_regions.push(AutocloseRegion {
5117 selection_id: selection.id,
5118 range: start..end,
5119 pair,
5120 });
5121 }
5122 }
5123 }
5124 }
5125 Ok(())
5126 }
5127
5128 pub fn move_to_next_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
5129 self.move_to_snippet_tabstop(Bias::Right, cx)
5130 }
5131
5132 pub fn move_to_prev_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
5133 self.move_to_snippet_tabstop(Bias::Left, cx)
5134 }
5135
5136 pub fn move_to_snippet_tabstop(&mut self, bias: Bias, cx: &mut ViewContext<Self>) -> bool {
5137 if let Some(mut snippet) = self.snippet_stack.pop() {
5138 match bias {
5139 Bias::Left => {
5140 if snippet.active_index > 0 {
5141 snippet.active_index -= 1;
5142 } else {
5143 self.snippet_stack.push(snippet);
5144 return false;
5145 }
5146 }
5147 Bias::Right => {
5148 if snippet.active_index + 1 < snippet.ranges.len() {
5149 snippet.active_index += 1;
5150 } else {
5151 self.snippet_stack.push(snippet);
5152 return false;
5153 }
5154 }
5155 }
5156 if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
5157 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5158 s.select_anchor_ranges(current_ranges.iter().cloned())
5159 });
5160 // If snippet state is not at the last tabstop, push it back on the stack
5161 if snippet.active_index + 1 < snippet.ranges.len() {
5162 self.snippet_stack.push(snippet);
5163 }
5164 return true;
5165 }
5166 }
5167
5168 false
5169 }
5170
5171 pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
5172 self.transact(cx, |this, cx| {
5173 this.select_all(&SelectAll, cx);
5174 this.insert("", cx);
5175 });
5176 }
5177
5178 pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
5179 self.transact(cx, |this, cx| {
5180 this.select_autoclose_pair(cx);
5181 let mut linked_ranges = HashMap::<_, Vec<_>>::default();
5182 if !this.linked_edit_ranges.is_empty() {
5183 let selections = this.selections.all::<MultiBufferPoint>(cx);
5184 let snapshot = this.buffer.read(cx).snapshot(cx);
5185
5186 for selection in selections.iter() {
5187 let selection_start = snapshot.anchor_before(selection.start).text_anchor;
5188 let selection_end = snapshot.anchor_after(selection.end).text_anchor;
5189 if selection_start.buffer_id != selection_end.buffer_id {
5190 continue;
5191 }
5192 if let Some(ranges) =
5193 this.linked_editing_ranges_for(selection_start..selection_end, cx)
5194 {
5195 for (buffer, entries) in ranges {
5196 linked_ranges.entry(buffer).or_default().extend(entries);
5197 }
5198 }
5199 }
5200 }
5201
5202 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
5203 if !this.selections.line_mode {
5204 let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
5205 for selection in &mut selections {
5206 if selection.is_empty() {
5207 let old_head = selection.head();
5208 let mut new_head =
5209 movement::left(&display_map, old_head.to_display_point(&display_map))
5210 .to_point(&display_map);
5211 if let Some((buffer, line_buffer_range)) = display_map
5212 .buffer_snapshot
5213 .buffer_line_for_row(MultiBufferRow(old_head.row))
5214 {
5215 let indent_size =
5216 buffer.indent_size_for_line(line_buffer_range.start.row);
5217 let indent_len = match indent_size.kind {
5218 IndentKind::Space => {
5219 buffer.settings_at(line_buffer_range.start, cx).tab_size
5220 }
5221 IndentKind::Tab => NonZeroU32::new(1).unwrap(),
5222 };
5223 if old_head.column <= indent_size.len && old_head.column > 0 {
5224 let indent_len = indent_len.get();
5225 new_head = cmp::min(
5226 new_head,
5227 MultiBufferPoint::new(
5228 old_head.row,
5229 ((old_head.column - 1) / indent_len) * indent_len,
5230 ),
5231 );
5232 }
5233 }
5234
5235 selection.set_head(new_head, SelectionGoal::None);
5236 }
5237 }
5238 }
5239
5240 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5241 this.insert("", cx);
5242 let empty_str: Arc<str> = Arc::from("");
5243 for (buffer, edits) in linked_ranges {
5244 let snapshot = buffer.read(cx).snapshot();
5245 use text::ToPoint as TP;
5246
5247 let edits = edits
5248 .into_iter()
5249 .map(|range| {
5250 let end_point = TP::to_point(&range.end, &snapshot);
5251 let mut start_point = TP::to_point(&range.start, &snapshot);
5252
5253 if end_point == start_point {
5254 let offset = text::ToOffset::to_offset(&range.start, &snapshot)
5255 .saturating_sub(1);
5256 start_point = TP::to_point(&offset, &snapshot);
5257 };
5258
5259 (start_point..end_point, empty_str.clone())
5260 })
5261 .sorted_by_key(|(range, _)| range.start)
5262 .collect::<Vec<_>>();
5263 buffer.update(cx, |this, cx| {
5264 this.edit(edits, None, cx);
5265 })
5266 }
5267 this.refresh_inline_completion(true, cx);
5268 linked_editing_ranges::refresh_linked_ranges(this, cx);
5269 });
5270 }
5271
5272 pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
5273 self.transact(cx, |this, cx| {
5274 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5275 let line_mode = s.line_mode;
5276 s.move_with(|map, selection| {
5277 if selection.is_empty() && !line_mode {
5278 let cursor = movement::right(map, selection.head());
5279 selection.end = cursor;
5280 selection.reversed = true;
5281 selection.goal = SelectionGoal::None;
5282 }
5283 })
5284 });
5285 this.insert("", cx);
5286 this.refresh_inline_completion(true, cx);
5287 });
5288 }
5289
5290 pub fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
5291 if self.move_to_prev_snippet_tabstop(cx) {
5292 return;
5293 }
5294
5295 self.outdent(&Outdent, cx);
5296 }
5297
5298 pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
5299 if self.move_to_next_snippet_tabstop(cx) || self.read_only(cx) {
5300 return;
5301 }
5302
5303 let mut selections = self.selections.all_adjusted(cx);
5304 let buffer = self.buffer.read(cx);
5305 let snapshot = buffer.snapshot(cx);
5306 let rows_iter = selections.iter().map(|s| s.head().row);
5307 let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
5308
5309 let mut edits = Vec::new();
5310 let mut prev_edited_row = 0;
5311 let mut row_delta = 0;
5312 for selection in &mut selections {
5313 if selection.start.row != prev_edited_row {
5314 row_delta = 0;
5315 }
5316 prev_edited_row = selection.end.row;
5317
5318 // If the selection is non-empty, then increase the indentation of the selected lines.
5319 if !selection.is_empty() {
5320 row_delta =
5321 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5322 continue;
5323 }
5324
5325 // If the selection is empty and the cursor is in the leading whitespace before the
5326 // suggested indentation, then auto-indent the line.
5327 let cursor = selection.head();
5328 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(cursor.row));
5329 if let Some(suggested_indent) =
5330 suggested_indents.get(&MultiBufferRow(cursor.row)).copied()
5331 {
5332 if cursor.column < suggested_indent.len
5333 && cursor.column <= current_indent.len
5334 && current_indent.len <= suggested_indent.len
5335 {
5336 selection.start = Point::new(cursor.row, suggested_indent.len);
5337 selection.end = selection.start;
5338 if row_delta == 0 {
5339 edits.extend(Buffer::edit_for_indent_size_adjustment(
5340 cursor.row,
5341 current_indent,
5342 suggested_indent,
5343 ));
5344 row_delta = suggested_indent.len - current_indent.len;
5345 }
5346 continue;
5347 }
5348 }
5349
5350 // Otherwise, insert a hard or soft tab.
5351 let settings = buffer.settings_at(cursor, cx);
5352 let tab_size = if settings.hard_tabs {
5353 IndentSize::tab()
5354 } else {
5355 let tab_size = settings.tab_size.get();
5356 let char_column = snapshot
5357 .text_for_range(Point::new(cursor.row, 0)..cursor)
5358 .flat_map(str::chars)
5359 .count()
5360 + row_delta as usize;
5361 let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
5362 IndentSize::spaces(chars_to_next_tab_stop)
5363 };
5364 selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
5365 selection.end = selection.start;
5366 edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
5367 row_delta += tab_size.len;
5368 }
5369
5370 self.transact(cx, |this, cx| {
5371 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5372 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5373 this.refresh_inline_completion(true, cx);
5374 });
5375 }
5376
5377 pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext<Self>) {
5378 if self.read_only(cx) {
5379 return;
5380 }
5381 let mut selections = self.selections.all::<Point>(cx);
5382 let mut prev_edited_row = 0;
5383 let mut row_delta = 0;
5384 let mut edits = Vec::new();
5385 let buffer = self.buffer.read(cx);
5386 let snapshot = buffer.snapshot(cx);
5387 for selection in &mut selections {
5388 if selection.start.row != prev_edited_row {
5389 row_delta = 0;
5390 }
5391 prev_edited_row = selection.end.row;
5392
5393 row_delta =
5394 Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
5395 }
5396
5397 self.transact(cx, |this, cx| {
5398 this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
5399 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5400 });
5401 }
5402
5403 fn indent_selection(
5404 buffer: &MultiBuffer,
5405 snapshot: &MultiBufferSnapshot,
5406 selection: &mut Selection<Point>,
5407 edits: &mut Vec<(Range<Point>, String)>,
5408 delta_for_start_row: u32,
5409 cx: &AppContext,
5410 ) -> u32 {
5411 let settings = buffer.settings_at(selection.start, cx);
5412 let tab_size = settings.tab_size.get();
5413 let indent_kind = if settings.hard_tabs {
5414 IndentKind::Tab
5415 } else {
5416 IndentKind::Space
5417 };
5418 let mut start_row = selection.start.row;
5419 let mut end_row = selection.end.row + 1;
5420
5421 // If a selection ends at the beginning of a line, don't indent
5422 // that last line.
5423 if selection.end.column == 0 && selection.end.row > selection.start.row {
5424 end_row -= 1;
5425 }
5426
5427 // Avoid re-indenting a row that has already been indented by a
5428 // previous selection, but still update this selection's column
5429 // to reflect that indentation.
5430 if delta_for_start_row > 0 {
5431 start_row += 1;
5432 selection.start.column += delta_for_start_row;
5433 if selection.end.row == selection.start.row {
5434 selection.end.column += delta_for_start_row;
5435 }
5436 }
5437
5438 let mut delta_for_end_row = 0;
5439 let has_multiple_rows = start_row + 1 != end_row;
5440 for row in start_row..end_row {
5441 let current_indent = snapshot.indent_size_for_line(MultiBufferRow(row));
5442 let indent_delta = match (current_indent.kind, indent_kind) {
5443 (IndentKind::Space, IndentKind::Space) => {
5444 let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
5445 IndentSize::spaces(columns_to_next_tab_stop)
5446 }
5447 (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
5448 (_, IndentKind::Tab) => IndentSize::tab(),
5449 };
5450
5451 let start = if has_multiple_rows || current_indent.len < selection.start.column {
5452 0
5453 } else {
5454 selection.start.column
5455 };
5456 let row_start = Point::new(row, start);
5457 edits.push((
5458 row_start..row_start,
5459 indent_delta.chars().collect::<String>(),
5460 ));
5461
5462 // Update this selection's endpoints to reflect the indentation.
5463 if row == selection.start.row {
5464 selection.start.column += indent_delta.len;
5465 }
5466 if row == selection.end.row {
5467 selection.end.column += indent_delta.len;
5468 delta_for_end_row = indent_delta.len;
5469 }
5470 }
5471
5472 if selection.start.row == selection.end.row {
5473 delta_for_start_row + delta_for_end_row
5474 } else {
5475 delta_for_end_row
5476 }
5477 }
5478
5479 pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext<Self>) {
5480 if self.read_only(cx) {
5481 return;
5482 }
5483 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5484 let selections = self.selections.all::<Point>(cx);
5485 let mut deletion_ranges = Vec::new();
5486 let mut last_outdent = None;
5487 {
5488 let buffer = self.buffer.read(cx);
5489 let snapshot = buffer.snapshot(cx);
5490 for selection in &selections {
5491 let settings = buffer.settings_at(selection.start, cx);
5492 let tab_size = settings.tab_size.get();
5493 let mut rows = selection.spanned_rows(false, &display_map);
5494
5495 // Avoid re-outdenting a row that has already been outdented by a
5496 // previous selection.
5497 if let Some(last_row) = last_outdent {
5498 if last_row == rows.start {
5499 rows.start = rows.start.next_row();
5500 }
5501 }
5502 let has_multiple_rows = rows.len() > 1;
5503 for row in rows.iter_rows() {
5504 let indent_size = snapshot.indent_size_for_line(row);
5505 if indent_size.len > 0 {
5506 let deletion_len = match indent_size.kind {
5507 IndentKind::Space => {
5508 let columns_to_prev_tab_stop = indent_size.len % tab_size;
5509 if columns_to_prev_tab_stop == 0 {
5510 tab_size
5511 } else {
5512 columns_to_prev_tab_stop
5513 }
5514 }
5515 IndentKind::Tab => 1,
5516 };
5517 let start = if has_multiple_rows
5518 || deletion_len > selection.start.column
5519 || indent_size.len < selection.start.column
5520 {
5521 0
5522 } else {
5523 selection.start.column - deletion_len
5524 };
5525 deletion_ranges.push(
5526 Point::new(row.0, start)..Point::new(row.0, start + deletion_len),
5527 );
5528 last_outdent = Some(row);
5529 }
5530 }
5531 }
5532 }
5533
5534 self.transact(cx, |this, cx| {
5535 this.buffer.update(cx, |buffer, cx| {
5536 let empty_str: Arc<str> = "".into();
5537 buffer.edit(
5538 deletion_ranges
5539 .into_iter()
5540 .map(|range| (range, empty_str.clone())),
5541 None,
5542 cx,
5543 );
5544 });
5545 let selections = this.selections.all::<usize>(cx);
5546 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5547 });
5548 }
5549
5550 pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
5551 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5552 let selections = self.selections.all::<Point>(cx);
5553
5554 let mut new_cursors = Vec::new();
5555 let mut edit_ranges = Vec::new();
5556 let mut selections = selections.iter().peekable();
5557 while let Some(selection) = selections.next() {
5558 let mut rows = selection.spanned_rows(false, &display_map);
5559 let goal_display_column = selection.head().to_display_point(&display_map).column();
5560
5561 // Accumulate contiguous regions of rows that we want to delete.
5562 while let Some(next_selection) = selections.peek() {
5563 let next_rows = next_selection.spanned_rows(false, &display_map);
5564 if next_rows.start <= rows.end {
5565 rows.end = next_rows.end;
5566 selections.next().unwrap();
5567 } else {
5568 break;
5569 }
5570 }
5571
5572 let buffer = &display_map.buffer_snapshot;
5573 let mut edit_start = Point::new(rows.start.0, 0).to_offset(buffer);
5574 let edit_end;
5575 let cursor_buffer_row;
5576 if buffer.max_point().row >= rows.end.0 {
5577 // If there's a line after the range, delete the \n from the end of the row range
5578 // and position the cursor on the next line.
5579 edit_end = Point::new(rows.end.0, 0).to_offset(buffer);
5580 cursor_buffer_row = rows.end;
5581 } else {
5582 // If there isn't a line after the range, delete the \n from the line before the
5583 // start of the row range and position the cursor there.
5584 edit_start = edit_start.saturating_sub(1);
5585 edit_end = buffer.len();
5586 cursor_buffer_row = rows.start.previous_row();
5587 }
5588
5589 let mut cursor = Point::new(cursor_buffer_row.0, 0).to_display_point(&display_map);
5590 *cursor.column_mut() =
5591 cmp::min(goal_display_column, display_map.line_len(cursor.row()));
5592
5593 new_cursors.push((
5594 selection.id,
5595 buffer.anchor_after(cursor.to_point(&display_map)),
5596 ));
5597 edit_ranges.push(edit_start..edit_end);
5598 }
5599
5600 self.transact(cx, |this, cx| {
5601 let buffer = this.buffer.update(cx, |buffer, cx| {
5602 let empty_str: Arc<str> = "".into();
5603 buffer.edit(
5604 edit_ranges
5605 .into_iter()
5606 .map(|range| (range, empty_str.clone())),
5607 None,
5608 cx,
5609 );
5610 buffer.snapshot(cx)
5611 });
5612 let new_selections = new_cursors
5613 .into_iter()
5614 .map(|(id, cursor)| {
5615 let cursor = cursor.to_point(&buffer);
5616 Selection {
5617 id,
5618 start: cursor,
5619 end: cursor,
5620 reversed: false,
5621 goal: SelectionGoal::None,
5622 }
5623 })
5624 .collect();
5625
5626 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5627 s.select(new_selections);
5628 });
5629 });
5630 }
5631
5632 pub fn join_lines(&mut self, _: &JoinLines, cx: &mut ViewContext<Self>) {
5633 if self.read_only(cx) {
5634 return;
5635 }
5636 let mut row_ranges = Vec::<Range<MultiBufferRow>>::new();
5637 for selection in self.selections.all::<Point>(cx) {
5638 let start = MultiBufferRow(selection.start.row);
5639 let end = if selection.start.row == selection.end.row {
5640 MultiBufferRow(selection.start.row + 1)
5641 } else {
5642 MultiBufferRow(selection.end.row)
5643 };
5644
5645 if let Some(last_row_range) = row_ranges.last_mut() {
5646 if start <= last_row_range.end {
5647 last_row_range.end = end;
5648 continue;
5649 }
5650 }
5651 row_ranges.push(start..end);
5652 }
5653
5654 let snapshot = self.buffer.read(cx).snapshot(cx);
5655 let mut cursor_positions = Vec::new();
5656 for row_range in &row_ranges {
5657 let anchor = snapshot.anchor_before(Point::new(
5658 row_range.end.previous_row().0,
5659 snapshot.line_len(row_range.end.previous_row()),
5660 ));
5661 cursor_positions.push(anchor..anchor);
5662 }
5663
5664 self.transact(cx, |this, cx| {
5665 for row_range in row_ranges.into_iter().rev() {
5666 for row in row_range.iter_rows().rev() {
5667 let end_of_line = Point::new(row.0, snapshot.line_len(row));
5668 let next_line_row = row.next_row();
5669 let indent = snapshot.indent_size_for_line(next_line_row);
5670 let start_of_next_line = Point::new(next_line_row.0, indent.len);
5671
5672 let replace = if snapshot.line_len(next_line_row) > indent.len {
5673 " "
5674 } else {
5675 ""
5676 };
5677
5678 this.buffer.update(cx, |buffer, cx| {
5679 buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
5680 });
5681 }
5682 }
5683
5684 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5685 s.select_anchor_ranges(cursor_positions)
5686 });
5687 });
5688 }
5689
5690 pub fn sort_lines_case_sensitive(
5691 &mut self,
5692 _: &SortLinesCaseSensitive,
5693 cx: &mut ViewContext<Self>,
5694 ) {
5695 self.manipulate_lines(cx, |lines| lines.sort())
5696 }
5697
5698 pub fn sort_lines_case_insensitive(
5699 &mut self,
5700 _: &SortLinesCaseInsensitive,
5701 cx: &mut ViewContext<Self>,
5702 ) {
5703 self.manipulate_lines(cx, |lines| lines.sort_by_key(|line| line.to_lowercase()))
5704 }
5705
5706 pub fn unique_lines_case_insensitive(
5707 &mut self,
5708 _: &UniqueLinesCaseInsensitive,
5709 cx: &mut ViewContext<Self>,
5710 ) {
5711 self.manipulate_lines(cx, |lines| {
5712 let mut seen = HashSet::default();
5713 lines.retain(|line| seen.insert(line.to_lowercase()));
5714 })
5715 }
5716
5717 pub fn unique_lines_case_sensitive(
5718 &mut self,
5719 _: &UniqueLinesCaseSensitive,
5720 cx: &mut ViewContext<Self>,
5721 ) {
5722 self.manipulate_lines(cx, |lines| {
5723 let mut seen = HashSet::default();
5724 lines.retain(|line| seen.insert(*line));
5725 })
5726 }
5727
5728 pub fn revert_selected_hunks(&mut self, _: &RevertSelectedHunks, cx: &mut ViewContext<Self>) {
5729 let revert_changes = self.gather_revert_changes(&self.selections.disjoint_anchors(), cx);
5730 if !revert_changes.is_empty() {
5731 self.transact(cx, |editor, cx| {
5732 editor.buffer().update(cx, |multi_buffer, cx| {
5733 for (buffer_id, changes) in revert_changes {
5734 if let Some(buffer) = multi_buffer.buffer(buffer_id) {
5735 buffer.update(cx, |buffer, cx| {
5736 buffer.edit(
5737 changes.into_iter().map(|(range, text)| {
5738 (range, text.to_string().map(Arc::<str>::from))
5739 }),
5740 None,
5741 cx,
5742 );
5743 });
5744 }
5745 }
5746 });
5747 editor.change_selections(None, cx, |selections| selections.refresh());
5748 });
5749 }
5750 }
5751
5752 pub fn open_active_item_in_terminal(&mut self, _: &OpenInTerminal, cx: &mut ViewContext<Self>) {
5753 if let Some(working_directory) = self.active_excerpt(cx).and_then(|(_, buffer, _)| {
5754 let project_path = buffer.read(cx).project_path(cx)?;
5755 let project = self.project.as_ref()?.read(cx);
5756 let entry = project.entry_for_path(&project_path, cx)?;
5757 let abs_path = project.absolute_path(&project_path, cx)?;
5758 let parent = if entry.is_symlink {
5759 abs_path.canonicalize().ok()?
5760 } else {
5761 abs_path
5762 }
5763 .parent()?
5764 .to_path_buf();
5765 Some(parent)
5766 }) {
5767 cx.dispatch_action(OpenTerminal { working_directory }.boxed_clone());
5768 }
5769 }
5770
5771 fn gather_revert_changes(
5772 &mut self,
5773 selections: &[Selection<Anchor>],
5774 cx: &mut ViewContext<'_, Editor>,
5775 ) -> HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>> {
5776 let mut revert_changes = HashMap::default();
5777 self.buffer.update(cx, |multi_buffer, cx| {
5778 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
5779 for hunk in hunks_for_selections(&multi_buffer_snapshot, selections) {
5780 Self::prepare_revert_change(&mut revert_changes, &multi_buffer, &hunk, cx);
5781 }
5782 });
5783 revert_changes
5784 }
5785
5786 fn prepare_revert_change(
5787 revert_changes: &mut HashMap<BufferId, Vec<(Range<text::Anchor>, Rope)>>,
5788 multi_buffer: &MultiBuffer,
5789 hunk: &DiffHunk<MultiBufferRow>,
5790 cx: &mut AppContext,
5791 ) -> Option<()> {
5792 let buffer = multi_buffer.buffer(hunk.buffer_id)?;
5793 let buffer = buffer.read(cx);
5794 let original_text = buffer.diff_base()?.slice(hunk.diff_base_byte_range.clone());
5795 let buffer_snapshot = buffer.snapshot();
5796 let buffer_revert_changes = revert_changes.entry(buffer.remote_id()).or_default();
5797 if let Err(i) = buffer_revert_changes.binary_search_by(|probe| {
5798 probe
5799 .0
5800 .start
5801 .cmp(&hunk.buffer_range.start, &buffer_snapshot)
5802 .then(probe.0.end.cmp(&hunk.buffer_range.end, &buffer_snapshot))
5803 }) {
5804 buffer_revert_changes.insert(i, (hunk.buffer_range.clone(), original_text));
5805 Some(())
5806 } else {
5807 None
5808 }
5809 }
5810
5811 pub fn reverse_lines(&mut self, _: &ReverseLines, cx: &mut ViewContext<Self>) {
5812 self.manipulate_lines(cx, |lines| lines.reverse())
5813 }
5814
5815 pub fn shuffle_lines(&mut self, _: &ShuffleLines, cx: &mut ViewContext<Self>) {
5816 self.manipulate_lines(cx, |lines| lines.shuffle(&mut thread_rng()))
5817 }
5818
5819 fn manipulate_lines<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5820 where
5821 Fn: FnMut(&mut Vec<&str>),
5822 {
5823 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5824 let buffer = self.buffer.read(cx).snapshot(cx);
5825
5826 let mut edits = Vec::new();
5827
5828 let selections = self.selections.all::<Point>(cx);
5829 let mut selections = selections.iter().peekable();
5830 let mut contiguous_row_selections = Vec::new();
5831 let mut new_selections = Vec::new();
5832 let mut added_lines = 0;
5833 let mut removed_lines = 0;
5834
5835 while let Some(selection) = selections.next() {
5836 let (start_row, end_row) = consume_contiguous_rows(
5837 &mut contiguous_row_selections,
5838 selection,
5839 &display_map,
5840 &mut selections,
5841 );
5842
5843 let start_point = Point::new(start_row.0, 0);
5844 let end_point = Point::new(
5845 end_row.previous_row().0,
5846 buffer.line_len(end_row.previous_row()),
5847 );
5848 let text = buffer
5849 .text_for_range(start_point..end_point)
5850 .collect::<String>();
5851
5852 let mut lines = text.split('\n').collect_vec();
5853
5854 let lines_before = lines.len();
5855 callback(&mut lines);
5856 let lines_after = lines.len();
5857
5858 edits.push((start_point..end_point, lines.join("\n")));
5859
5860 // Selections must change based on added and removed line count
5861 let start_row =
5862 MultiBufferRow(start_point.row + added_lines as u32 - removed_lines as u32);
5863 let end_row = MultiBufferRow(start_row.0 + lines_after.saturating_sub(1) as u32);
5864 new_selections.push(Selection {
5865 id: selection.id,
5866 start: start_row,
5867 end: end_row,
5868 goal: SelectionGoal::None,
5869 reversed: selection.reversed,
5870 });
5871
5872 if lines_after > lines_before {
5873 added_lines += lines_after - lines_before;
5874 } else if lines_before > lines_after {
5875 removed_lines += lines_before - lines_after;
5876 }
5877 }
5878
5879 self.transact(cx, |this, cx| {
5880 let buffer = this.buffer.update(cx, |buffer, cx| {
5881 buffer.edit(edits, None, cx);
5882 buffer.snapshot(cx)
5883 });
5884
5885 // Recalculate offsets on newly edited buffer
5886 let new_selections = new_selections
5887 .iter()
5888 .map(|s| {
5889 let start_point = Point::new(s.start.0, 0);
5890 let end_point = Point::new(s.end.0, buffer.line_len(s.end));
5891 Selection {
5892 id: s.id,
5893 start: buffer.point_to_offset(start_point),
5894 end: buffer.point_to_offset(end_point),
5895 goal: s.goal,
5896 reversed: s.reversed,
5897 }
5898 })
5899 .collect();
5900
5901 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5902 s.select(new_selections);
5903 });
5904
5905 this.request_autoscroll(Autoscroll::fit(), cx);
5906 });
5907 }
5908
5909 pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
5910 self.manipulate_text(cx, |text| text.to_uppercase())
5911 }
5912
5913 pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
5914 self.manipulate_text(cx, |text| text.to_lowercase())
5915 }
5916
5917 pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
5918 self.manipulate_text(cx, |text| {
5919 // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5920 // https://github.com/rutrum/convert-case/issues/16
5921 text.split('\n')
5922 .map(|line| line.to_case(Case::Title))
5923 .join("\n")
5924 })
5925 }
5926
5927 pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
5928 self.manipulate_text(cx, |text| text.to_case(Case::Snake))
5929 }
5930
5931 pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
5932 self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
5933 }
5934
5935 pub fn convert_to_upper_camel_case(
5936 &mut self,
5937 _: &ConvertToUpperCamelCase,
5938 cx: &mut ViewContext<Self>,
5939 ) {
5940 self.manipulate_text(cx, |text| {
5941 // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5942 // https://github.com/rutrum/convert-case/issues/16
5943 text.split('\n')
5944 .map(|line| line.to_case(Case::UpperCamel))
5945 .join("\n")
5946 })
5947 }
5948
5949 pub fn convert_to_lower_camel_case(
5950 &mut self,
5951 _: &ConvertToLowerCamelCase,
5952 cx: &mut ViewContext<Self>,
5953 ) {
5954 self.manipulate_text(cx, |text| text.to_case(Case::Camel))
5955 }
5956
5957 pub fn convert_to_opposite_case(
5958 &mut self,
5959 _: &ConvertToOppositeCase,
5960 cx: &mut ViewContext<Self>,
5961 ) {
5962 self.manipulate_text(cx, |text| {
5963 text.chars()
5964 .fold(String::with_capacity(text.len()), |mut t, c| {
5965 if c.is_uppercase() {
5966 t.extend(c.to_lowercase());
5967 } else {
5968 t.extend(c.to_uppercase());
5969 }
5970 t
5971 })
5972 })
5973 }
5974
5975 fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5976 where
5977 Fn: FnMut(&str) -> String,
5978 {
5979 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5980 let buffer = self.buffer.read(cx).snapshot(cx);
5981
5982 let mut new_selections = Vec::new();
5983 let mut edits = Vec::new();
5984 let mut selection_adjustment = 0i32;
5985
5986 for selection in self.selections.all::<usize>(cx) {
5987 let selection_is_empty = selection.is_empty();
5988
5989 let (start, end) = if selection_is_empty {
5990 let word_range = movement::surrounding_word(
5991 &display_map,
5992 selection.start.to_display_point(&display_map),
5993 );
5994 let start = word_range.start.to_offset(&display_map, Bias::Left);
5995 let end = word_range.end.to_offset(&display_map, Bias::Left);
5996 (start, end)
5997 } else {
5998 (selection.start, selection.end)
5999 };
6000
6001 let text = buffer.text_for_range(start..end).collect::<String>();
6002 let old_length = text.len() as i32;
6003 let text = callback(&text);
6004
6005 new_selections.push(Selection {
6006 start: (start as i32 - selection_adjustment) as usize,
6007 end: ((start + text.len()) as i32 - selection_adjustment) as usize,
6008 goal: SelectionGoal::None,
6009 ..selection
6010 });
6011
6012 selection_adjustment += old_length - text.len() as i32;
6013
6014 edits.push((start..end, text));
6015 }
6016
6017 self.transact(cx, |this, cx| {
6018 this.buffer.update(cx, |buffer, cx| {
6019 buffer.edit(edits, None, cx);
6020 });
6021
6022 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6023 s.select(new_selections);
6024 });
6025
6026 this.request_autoscroll(Autoscroll::fit(), cx);
6027 });
6028 }
6029
6030 pub fn duplicate_line(&mut self, upwards: bool, cx: &mut ViewContext<Self>) {
6031 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6032 let buffer = &display_map.buffer_snapshot;
6033 let selections = self.selections.all::<Point>(cx);
6034
6035 let mut edits = Vec::new();
6036 let mut selections_iter = selections.iter().peekable();
6037 while let Some(selection) = selections_iter.next() {
6038 // Avoid duplicating the same lines twice.
6039 let mut rows = selection.spanned_rows(false, &display_map);
6040
6041 while let Some(next_selection) = selections_iter.peek() {
6042 let next_rows = next_selection.spanned_rows(false, &display_map);
6043 if next_rows.start < rows.end {
6044 rows.end = next_rows.end;
6045 selections_iter.next().unwrap();
6046 } else {
6047 break;
6048 }
6049 }
6050
6051 // Copy the text from the selected row region and splice it either at the start
6052 // or end of the region.
6053 let start = Point::new(rows.start.0, 0);
6054 let end = Point::new(
6055 rows.end.previous_row().0,
6056 buffer.line_len(rows.end.previous_row()),
6057 );
6058 let text = buffer
6059 .text_for_range(start..end)
6060 .chain(Some("\n"))
6061 .collect::<String>();
6062 let insert_location = if upwards {
6063 Point::new(rows.end.0, 0)
6064 } else {
6065 start
6066 };
6067 edits.push((insert_location..insert_location, text));
6068 }
6069
6070 self.transact(cx, |this, cx| {
6071 this.buffer.update(cx, |buffer, cx| {
6072 buffer.edit(edits, None, cx);
6073 });
6074
6075 this.request_autoscroll(Autoscroll::fit(), cx);
6076 });
6077 }
6078
6079 pub fn duplicate_line_up(&mut self, _: &DuplicateLineUp, cx: &mut ViewContext<Self>) {
6080 self.duplicate_line(true, cx);
6081 }
6082
6083 pub fn duplicate_line_down(&mut self, _: &DuplicateLineDown, cx: &mut ViewContext<Self>) {
6084 self.duplicate_line(false, cx);
6085 }
6086
6087 pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
6088 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6089 let buffer = self.buffer.read(cx).snapshot(cx);
6090
6091 let mut edits = Vec::new();
6092 let mut unfold_ranges = Vec::new();
6093 let mut refold_ranges = Vec::new();
6094
6095 let selections = self.selections.all::<Point>(cx);
6096 let mut selections = selections.iter().peekable();
6097 let mut contiguous_row_selections = Vec::new();
6098 let mut new_selections = Vec::new();
6099
6100 while let Some(selection) = selections.next() {
6101 // Find all the selections that span a contiguous row range
6102 let (start_row, end_row) = consume_contiguous_rows(
6103 &mut contiguous_row_selections,
6104 selection,
6105 &display_map,
6106 &mut selections,
6107 );
6108
6109 // Move the text spanned by the row range to be before the line preceding the row range
6110 if start_row.0 > 0 {
6111 let range_to_move = Point::new(
6112 start_row.previous_row().0,
6113 buffer.line_len(start_row.previous_row()),
6114 )
6115 ..Point::new(
6116 end_row.previous_row().0,
6117 buffer.line_len(end_row.previous_row()),
6118 );
6119 let insertion_point = display_map
6120 .prev_line_boundary(Point::new(start_row.previous_row().0, 0))
6121 .0;
6122
6123 // Don't move lines across excerpts
6124 if buffer
6125 .excerpt_boundaries_in_range((
6126 Bound::Excluded(insertion_point),
6127 Bound::Included(range_to_move.end),
6128 ))
6129 .next()
6130 .is_none()
6131 {
6132 let text = buffer
6133 .text_for_range(range_to_move.clone())
6134 .flat_map(|s| s.chars())
6135 .skip(1)
6136 .chain(['\n'])
6137 .collect::<String>();
6138
6139 edits.push((
6140 buffer.anchor_after(range_to_move.start)
6141 ..buffer.anchor_before(range_to_move.end),
6142 String::new(),
6143 ));
6144 let insertion_anchor = buffer.anchor_after(insertion_point);
6145 edits.push((insertion_anchor..insertion_anchor, text));
6146
6147 let row_delta = range_to_move.start.row - insertion_point.row + 1;
6148
6149 // Move selections up
6150 new_selections.extend(contiguous_row_selections.drain(..).map(
6151 |mut selection| {
6152 selection.start.row -= row_delta;
6153 selection.end.row -= row_delta;
6154 selection
6155 },
6156 ));
6157
6158 // Move folds up
6159 unfold_ranges.push(range_to_move.clone());
6160 for fold in display_map.folds_in_range(
6161 buffer.anchor_before(range_to_move.start)
6162 ..buffer.anchor_after(range_to_move.end),
6163 ) {
6164 let mut start = fold.range.start.to_point(&buffer);
6165 let mut end = fold.range.end.to_point(&buffer);
6166 start.row -= row_delta;
6167 end.row -= row_delta;
6168 refold_ranges.push((start..end, fold.placeholder.clone()));
6169 }
6170 }
6171 }
6172
6173 // If we didn't move line(s), preserve the existing selections
6174 new_selections.append(&mut contiguous_row_selections);
6175 }
6176
6177 self.transact(cx, |this, cx| {
6178 this.unfold_ranges(unfold_ranges, true, true, cx);
6179 this.buffer.update(cx, |buffer, cx| {
6180 for (range, text) in edits {
6181 buffer.edit([(range, text)], None, cx);
6182 }
6183 });
6184 this.fold_ranges(refold_ranges, true, cx);
6185 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6186 s.select(new_selections);
6187 })
6188 });
6189 }
6190
6191 pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
6192 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6193 let buffer = self.buffer.read(cx).snapshot(cx);
6194
6195 let mut edits = Vec::new();
6196 let mut unfold_ranges = Vec::new();
6197 let mut refold_ranges = Vec::new();
6198
6199 let selections = self.selections.all::<Point>(cx);
6200 let mut selections = selections.iter().peekable();
6201 let mut contiguous_row_selections = Vec::new();
6202 let mut new_selections = Vec::new();
6203
6204 while let Some(selection) = selections.next() {
6205 // Find all the selections that span a contiguous row range
6206 let (start_row, end_row) = consume_contiguous_rows(
6207 &mut contiguous_row_selections,
6208 selection,
6209 &display_map,
6210 &mut selections,
6211 );
6212
6213 // Move the text spanned by the row range to be after the last line of the row range
6214 if end_row.0 <= buffer.max_point().row {
6215 let range_to_move =
6216 MultiBufferPoint::new(start_row.0, 0)..MultiBufferPoint::new(end_row.0, 0);
6217 let insertion_point = display_map
6218 .next_line_boundary(MultiBufferPoint::new(end_row.0, 0))
6219 .0;
6220
6221 // Don't move lines across excerpt boundaries
6222 if buffer
6223 .excerpt_boundaries_in_range((
6224 Bound::Excluded(range_to_move.start),
6225 Bound::Included(insertion_point),
6226 ))
6227 .next()
6228 .is_none()
6229 {
6230 let mut text = String::from("\n");
6231 text.extend(buffer.text_for_range(range_to_move.clone()));
6232 text.pop(); // Drop trailing newline
6233 edits.push((
6234 buffer.anchor_after(range_to_move.start)
6235 ..buffer.anchor_before(range_to_move.end),
6236 String::new(),
6237 ));
6238 let insertion_anchor = buffer.anchor_after(insertion_point);
6239 edits.push((insertion_anchor..insertion_anchor, text));
6240
6241 let row_delta = insertion_point.row - range_to_move.end.row + 1;
6242
6243 // Move selections down
6244 new_selections.extend(contiguous_row_selections.drain(..).map(
6245 |mut selection| {
6246 selection.start.row += row_delta;
6247 selection.end.row += row_delta;
6248 selection
6249 },
6250 ));
6251
6252 // Move folds down
6253 unfold_ranges.push(range_to_move.clone());
6254 for fold in display_map.folds_in_range(
6255 buffer.anchor_before(range_to_move.start)
6256 ..buffer.anchor_after(range_to_move.end),
6257 ) {
6258 let mut start = fold.range.start.to_point(&buffer);
6259 let mut end = fold.range.end.to_point(&buffer);
6260 start.row += row_delta;
6261 end.row += row_delta;
6262 refold_ranges.push((start..end, fold.placeholder.clone()));
6263 }
6264 }
6265 }
6266
6267 // If we didn't move line(s), preserve the existing selections
6268 new_selections.append(&mut contiguous_row_selections);
6269 }
6270
6271 self.transact(cx, |this, cx| {
6272 this.unfold_ranges(unfold_ranges, true, true, cx);
6273 this.buffer.update(cx, |buffer, cx| {
6274 for (range, text) in edits {
6275 buffer.edit([(range, text)], None, cx);
6276 }
6277 });
6278 this.fold_ranges(refold_ranges, true, cx);
6279 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
6280 });
6281 }
6282
6283 pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
6284 let text_layout_details = &self.text_layout_details(cx);
6285 self.transact(cx, |this, cx| {
6286 let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6287 let mut edits: Vec<(Range<usize>, String)> = Default::default();
6288 let line_mode = s.line_mode;
6289 s.move_with(|display_map, selection| {
6290 if !selection.is_empty() || line_mode {
6291 return;
6292 }
6293
6294 let mut head = selection.head();
6295 let mut transpose_offset = head.to_offset(display_map, Bias::Right);
6296 if head.column() == display_map.line_len(head.row()) {
6297 transpose_offset = display_map
6298 .buffer_snapshot
6299 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6300 }
6301
6302 if transpose_offset == 0 {
6303 return;
6304 }
6305
6306 *head.column_mut() += 1;
6307 head = display_map.clip_point(head, Bias::Right);
6308 let goal = SelectionGoal::HorizontalPosition(
6309 display_map
6310 .x_for_display_point(head, &text_layout_details)
6311 .into(),
6312 );
6313 selection.collapse_to(head, goal);
6314
6315 let transpose_start = display_map
6316 .buffer_snapshot
6317 .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
6318 if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
6319 let transpose_end = display_map
6320 .buffer_snapshot
6321 .clip_offset(transpose_offset + 1, Bias::Right);
6322 if let Some(ch) =
6323 display_map.buffer_snapshot.chars_at(transpose_start).next()
6324 {
6325 edits.push((transpose_start..transpose_offset, String::new()));
6326 edits.push((transpose_end..transpose_end, ch.to_string()));
6327 }
6328 }
6329 });
6330 edits
6331 });
6332 this.buffer
6333 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
6334 let selections = this.selections.all::<usize>(cx);
6335 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6336 s.select(selections);
6337 });
6338 });
6339 }
6340
6341 pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
6342 let mut text = String::new();
6343 let buffer = self.buffer.read(cx).snapshot(cx);
6344 let mut selections = self.selections.all::<Point>(cx);
6345 let mut clipboard_selections = Vec::with_capacity(selections.len());
6346 {
6347 let max_point = buffer.max_point();
6348 let mut is_first = true;
6349 for selection in &mut selections {
6350 let is_entire_line = selection.is_empty() || self.selections.line_mode;
6351 if is_entire_line {
6352 selection.start = Point::new(selection.start.row, 0);
6353 selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
6354 selection.goal = SelectionGoal::None;
6355 }
6356 if is_first {
6357 is_first = false;
6358 } else {
6359 text += "\n";
6360 }
6361 let mut len = 0;
6362 for chunk in buffer.text_for_range(selection.start..selection.end) {
6363 text.push_str(chunk);
6364 len += chunk.len();
6365 }
6366 clipboard_selections.push(ClipboardSelection {
6367 len,
6368 is_entire_line,
6369 first_line_indent: buffer
6370 .indent_size_for_line(MultiBufferRow(selection.start.row))
6371 .len,
6372 });
6373 }
6374 }
6375
6376 self.transact(cx, |this, cx| {
6377 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6378 s.select(selections);
6379 });
6380 this.insert("", cx);
6381 cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
6382 });
6383 }
6384
6385 pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
6386 let selections = self.selections.all::<Point>(cx);
6387 let buffer = self.buffer.read(cx).read(cx);
6388 let mut text = String::new();
6389
6390 let mut clipboard_selections = Vec::with_capacity(selections.len());
6391 {
6392 let max_point = buffer.max_point();
6393 let mut is_first = true;
6394 for selection in selections.iter() {
6395 let mut start = selection.start;
6396 let mut end = selection.end;
6397 let is_entire_line = selection.is_empty() || self.selections.line_mode;
6398 if is_entire_line {
6399 start = Point::new(start.row, 0);
6400 end = cmp::min(max_point, Point::new(end.row + 1, 0));
6401 }
6402 if is_first {
6403 is_first = false;
6404 } else {
6405 text += "\n";
6406 }
6407 let mut len = 0;
6408 for chunk in buffer.text_for_range(start..end) {
6409 text.push_str(chunk);
6410 len += chunk.len();
6411 }
6412 clipboard_selections.push(ClipboardSelection {
6413 len,
6414 is_entire_line,
6415 first_line_indent: buffer.indent_size_for_line(MultiBufferRow(start.row)).len,
6416 });
6417 }
6418 }
6419
6420 cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
6421 }
6422
6423 pub fn do_paste(
6424 &mut self,
6425 text: &String,
6426 clipboard_selections: Option<Vec<ClipboardSelection>>,
6427 handle_entire_lines: bool,
6428 cx: &mut ViewContext<Self>,
6429 ) {
6430 if self.read_only(cx) {
6431 return;
6432 }
6433
6434 let clipboard_text = Cow::Borrowed(text);
6435
6436 self.transact(cx, |this, cx| {
6437 if let Some(mut clipboard_selections) = clipboard_selections {
6438 let old_selections = this.selections.all::<usize>(cx);
6439 let all_selections_were_entire_line =
6440 clipboard_selections.iter().all(|s| s.is_entire_line);
6441 let first_selection_indent_column =
6442 clipboard_selections.first().map(|s| s.first_line_indent);
6443 if clipboard_selections.len() != old_selections.len() {
6444 clipboard_selections.drain(..);
6445 }
6446
6447 this.buffer.update(cx, |buffer, cx| {
6448 let snapshot = buffer.read(cx);
6449 let mut start_offset = 0;
6450 let mut edits = Vec::new();
6451 let mut original_indent_columns = Vec::new();
6452 for (ix, selection) in old_selections.iter().enumerate() {
6453 let to_insert;
6454 let entire_line;
6455 let original_indent_column;
6456 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
6457 let end_offset = start_offset + clipboard_selection.len;
6458 to_insert = &clipboard_text[start_offset..end_offset];
6459 entire_line = clipboard_selection.is_entire_line;
6460 start_offset = end_offset + 1;
6461 original_indent_column = Some(clipboard_selection.first_line_indent);
6462 } else {
6463 to_insert = clipboard_text.as_str();
6464 entire_line = all_selections_were_entire_line;
6465 original_indent_column = first_selection_indent_column
6466 }
6467
6468 // If the corresponding selection was empty when this slice of the
6469 // clipboard text was written, then the entire line containing the
6470 // selection was copied. If this selection is also currently empty,
6471 // then paste the line before the current line of the buffer.
6472 let range = if selection.is_empty() && handle_entire_lines && entire_line {
6473 let column = selection.start.to_point(&snapshot).column as usize;
6474 let line_start = selection.start - column;
6475 line_start..line_start
6476 } else {
6477 selection.range()
6478 };
6479
6480 edits.push((range, to_insert));
6481 original_indent_columns.extend(original_indent_column);
6482 }
6483 drop(snapshot);
6484
6485 buffer.edit(
6486 edits,
6487 Some(AutoindentMode::Block {
6488 original_indent_columns,
6489 }),
6490 cx,
6491 );
6492 });
6493
6494 let selections = this.selections.all::<usize>(cx);
6495 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
6496 } else {
6497 this.insert(&clipboard_text, cx);
6498 }
6499 });
6500 }
6501
6502 pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
6503 if let Some(item) = cx.read_from_clipboard() {
6504 self.do_paste(
6505 item.text(),
6506 item.metadata::<Vec<ClipboardSelection>>(),
6507 true,
6508 cx,
6509 )
6510 };
6511 }
6512
6513 pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
6514 if self.read_only(cx) {
6515 return;
6516 }
6517
6518 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
6519 if let Some((selections, _)) =
6520 self.selection_history.transaction(transaction_id).cloned()
6521 {
6522 self.change_selections(None, cx, |s| {
6523 s.select_anchors(selections.to_vec());
6524 });
6525 }
6526 self.request_autoscroll(Autoscroll::fit(), cx);
6527 self.unmark_text(cx);
6528 self.refresh_inline_completion(true, cx);
6529 cx.emit(EditorEvent::Edited { transaction_id });
6530 cx.emit(EditorEvent::TransactionUndone { transaction_id });
6531 }
6532 }
6533
6534 pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
6535 if self.read_only(cx) {
6536 return;
6537 }
6538
6539 if let Some(transaction_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
6540 if let Some((_, Some(selections))) =
6541 self.selection_history.transaction(transaction_id).cloned()
6542 {
6543 self.change_selections(None, cx, |s| {
6544 s.select_anchors(selections.to_vec());
6545 });
6546 }
6547 self.request_autoscroll(Autoscroll::fit(), cx);
6548 self.unmark_text(cx);
6549 self.refresh_inline_completion(true, cx);
6550 cx.emit(EditorEvent::Edited { transaction_id });
6551 }
6552 }
6553
6554 pub fn finalize_last_transaction(&mut self, cx: &mut ViewContext<Self>) {
6555 self.buffer
6556 .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
6557 }
6558
6559 pub fn group_until_transaction(&mut self, tx_id: TransactionId, cx: &mut ViewContext<Self>) {
6560 self.buffer
6561 .update(cx, |buffer, cx| buffer.group_until_transaction(tx_id, cx));
6562 }
6563
6564 pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
6565 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6566 let line_mode = s.line_mode;
6567 s.move_with(|map, selection| {
6568 let cursor = if selection.is_empty() && !line_mode {
6569 movement::left(map, selection.start)
6570 } else {
6571 selection.start
6572 };
6573 selection.collapse_to(cursor, SelectionGoal::None);
6574 });
6575 })
6576 }
6577
6578 pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
6579 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6580 s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
6581 })
6582 }
6583
6584 pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
6585 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6586 let line_mode = s.line_mode;
6587 s.move_with(|map, selection| {
6588 let cursor = if selection.is_empty() && !line_mode {
6589 movement::right(map, selection.end)
6590 } else {
6591 selection.end
6592 };
6593 selection.collapse_to(cursor, SelectionGoal::None)
6594 });
6595 })
6596 }
6597
6598 pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
6599 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6600 s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
6601 })
6602 }
6603
6604 pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
6605 if self.take_rename(true, cx).is_some() {
6606 return;
6607 }
6608
6609 if matches!(self.mode, EditorMode::SingleLine) {
6610 cx.propagate();
6611 return;
6612 }
6613
6614 let text_layout_details = &self.text_layout_details(cx);
6615 let selection_count = self.selections.count();
6616 let first_selection = self.selections.first_anchor();
6617
6618 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6619 let line_mode = s.line_mode;
6620 s.move_with(|map, selection| {
6621 if !selection.is_empty() && !line_mode {
6622 selection.goal = SelectionGoal::None;
6623 }
6624 let (cursor, goal) = movement::up(
6625 map,
6626 selection.start,
6627 selection.goal,
6628 false,
6629 &text_layout_details,
6630 );
6631 selection.collapse_to(cursor, goal);
6632 });
6633 });
6634
6635 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
6636 {
6637 cx.propagate();
6638 }
6639 }
6640
6641 pub fn move_up_by_lines(&mut self, action: &MoveUpByLines, cx: &mut ViewContext<Self>) {
6642 if self.take_rename(true, cx).is_some() {
6643 return;
6644 }
6645
6646 if matches!(self.mode, EditorMode::SingleLine) {
6647 cx.propagate();
6648 return;
6649 }
6650
6651 let text_layout_details = &self.text_layout_details(cx);
6652
6653 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6654 let line_mode = s.line_mode;
6655 s.move_with(|map, selection| {
6656 if !selection.is_empty() && !line_mode {
6657 selection.goal = SelectionGoal::None;
6658 }
6659 let (cursor, goal) = movement::up_by_rows(
6660 map,
6661 selection.start,
6662 action.lines,
6663 selection.goal,
6664 false,
6665 &text_layout_details,
6666 );
6667 selection.collapse_to(cursor, goal);
6668 });
6669 })
6670 }
6671
6672 pub fn move_down_by_lines(&mut self, action: &MoveDownByLines, cx: &mut ViewContext<Self>) {
6673 if self.take_rename(true, cx).is_some() {
6674 return;
6675 }
6676
6677 if matches!(self.mode, EditorMode::SingleLine) {
6678 cx.propagate();
6679 return;
6680 }
6681
6682 let text_layout_details = &self.text_layout_details(cx);
6683
6684 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6685 let line_mode = s.line_mode;
6686 s.move_with(|map, selection| {
6687 if !selection.is_empty() && !line_mode {
6688 selection.goal = SelectionGoal::None;
6689 }
6690 let (cursor, goal) = movement::down_by_rows(
6691 map,
6692 selection.start,
6693 action.lines,
6694 selection.goal,
6695 false,
6696 &text_layout_details,
6697 );
6698 selection.collapse_to(cursor, goal);
6699 });
6700 })
6701 }
6702
6703 pub fn select_down_by_lines(&mut self, action: &SelectDownByLines, cx: &mut ViewContext<Self>) {
6704 let text_layout_details = &self.text_layout_details(cx);
6705 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6706 s.move_heads_with(|map, head, goal| {
6707 movement::down_by_rows(map, head, action.lines, goal, false, &text_layout_details)
6708 })
6709 })
6710 }
6711
6712 pub fn select_up_by_lines(&mut self, action: &SelectUpByLines, cx: &mut ViewContext<Self>) {
6713 let text_layout_details = &self.text_layout_details(cx);
6714 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6715 s.move_heads_with(|map, head, goal| {
6716 movement::up_by_rows(map, head, action.lines, goal, false, &text_layout_details)
6717 })
6718 })
6719 }
6720
6721 pub fn move_page_up(&mut self, action: &MovePageUp, cx: &mut ViewContext<Self>) {
6722 if self.take_rename(true, cx).is_some() {
6723 return;
6724 }
6725
6726 if matches!(self.mode, EditorMode::SingleLine) {
6727 cx.propagate();
6728 return;
6729 }
6730
6731 let row_count = if let Some(row_count) = self.visible_line_count() {
6732 row_count as u32 - 1
6733 } else {
6734 return;
6735 };
6736
6737 let autoscroll = if action.center_cursor {
6738 Autoscroll::center()
6739 } else {
6740 Autoscroll::fit()
6741 };
6742
6743 let text_layout_details = &self.text_layout_details(cx);
6744
6745 self.change_selections(Some(autoscroll), cx, |s| {
6746 let line_mode = s.line_mode;
6747 s.move_with(|map, selection| {
6748 if !selection.is_empty() && !line_mode {
6749 selection.goal = SelectionGoal::None;
6750 }
6751 let (cursor, goal) = movement::up_by_rows(
6752 map,
6753 selection.end,
6754 row_count,
6755 selection.goal,
6756 false,
6757 &text_layout_details,
6758 );
6759 selection.collapse_to(cursor, goal);
6760 });
6761 });
6762 }
6763
6764 pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
6765 let text_layout_details = &self.text_layout_details(cx);
6766 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6767 s.move_heads_with(|map, head, goal| {
6768 movement::up(map, head, goal, false, &text_layout_details)
6769 })
6770 })
6771 }
6772
6773 pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
6774 self.take_rename(true, cx);
6775
6776 if self.mode == EditorMode::SingleLine {
6777 cx.propagate();
6778 return;
6779 }
6780
6781 let text_layout_details = &self.text_layout_details(cx);
6782 let selection_count = self.selections.count();
6783 let first_selection = self.selections.first_anchor();
6784
6785 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6786 let line_mode = s.line_mode;
6787 s.move_with(|map, selection| {
6788 if !selection.is_empty() && !line_mode {
6789 selection.goal = SelectionGoal::None;
6790 }
6791 let (cursor, goal) = movement::down(
6792 map,
6793 selection.end,
6794 selection.goal,
6795 false,
6796 &text_layout_details,
6797 );
6798 selection.collapse_to(cursor, goal);
6799 });
6800 });
6801
6802 if selection_count == 1 && first_selection.range() == self.selections.first_anchor().range()
6803 {
6804 cx.propagate();
6805 }
6806 }
6807
6808 pub fn move_page_down(&mut self, action: &MovePageDown, cx: &mut ViewContext<Self>) {
6809 if self.take_rename(true, cx).is_some() {
6810 return;
6811 }
6812
6813 if self
6814 .context_menu
6815 .write()
6816 .as_mut()
6817 .map(|menu| menu.select_last(self.project.as_ref(), cx))
6818 .unwrap_or(false)
6819 {
6820 return;
6821 }
6822
6823 if matches!(self.mode, EditorMode::SingleLine) {
6824 cx.propagate();
6825 return;
6826 }
6827
6828 let row_count = if let Some(row_count) = self.visible_line_count() {
6829 row_count as u32 - 1
6830 } else {
6831 return;
6832 };
6833
6834 let autoscroll = if action.center_cursor {
6835 Autoscroll::center()
6836 } else {
6837 Autoscroll::fit()
6838 };
6839
6840 let text_layout_details = &self.text_layout_details(cx);
6841 self.change_selections(Some(autoscroll), cx, |s| {
6842 let line_mode = s.line_mode;
6843 s.move_with(|map, selection| {
6844 if !selection.is_empty() && !line_mode {
6845 selection.goal = SelectionGoal::None;
6846 }
6847 let (cursor, goal) = movement::down_by_rows(
6848 map,
6849 selection.end,
6850 row_count,
6851 selection.goal,
6852 false,
6853 &text_layout_details,
6854 );
6855 selection.collapse_to(cursor, goal);
6856 });
6857 });
6858 }
6859
6860 pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
6861 let text_layout_details = &self.text_layout_details(cx);
6862 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6863 s.move_heads_with(|map, head, goal| {
6864 movement::down(map, head, goal, false, &text_layout_details)
6865 })
6866 });
6867 }
6868
6869 pub fn context_menu_first(&mut self, _: &ContextMenuFirst, cx: &mut ViewContext<Self>) {
6870 if let Some(context_menu) = self.context_menu.write().as_mut() {
6871 context_menu.select_first(self.project.as_ref(), cx);
6872 }
6873 }
6874
6875 pub fn context_menu_prev(&mut self, _: &ContextMenuPrev, cx: &mut ViewContext<Self>) {
6876 if let Some(context_menu) = self.context_menu.write().as_mut() {
6877 context_menu.select_prev(self.project.as_ref(), cx);
6878 }
6879 }
6880
6881 pub fn context_menu_next(&mut self, _: &ContextMenuNext, cx: &mut ViewContext<Self>) {
6882 if let Some(context_menu) = self.context_menu.write().as_mut() {
6883 context_menu.select_next(self.project.as_ref(), cx);
6884 }
6885 }
6886
6887 pub fn context_menu_last(&mut self, _: &ContextMenuLast, cx: &mut ViewContext<Self>) {
6888 if let Some(context_menu) = self.context_menu.write().as_mut() {
6889 context_menu.select_last(self.project.as_ref(), cx);
6890 }
6891 }
6892
6893 pub fn move_to_previous_word_start(
6894 &mut self,
6895 _: &MoveToPreviousWordStart,
6896 cx: &mut ViewContext<Self>,
6897 ) {
6898 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6899 s.move_cursors_with(|map, head, _| {
6900 (
6901 movement::previous_word_start(map, head),
6902 SelectionGoal::None,
6903 )
6904 });
6905 })
6906 }
6907
6908 pub fn move_to_previous_subword_start(
6909 &mut self,
6910 _: &MoveToPreviousSubwordStart,
6911 cx: &mut ViewContext<Self>,
6912 ) {
6913 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6914 s.move_cursors_with(|map, head, _| {
6915 (
6916 movement::previous_subword_start(map, head),
6917 SelectionGoal::None,
6918 )
6919 });
6920 })
6921 }
6922
6923 pub fn select_to_previous_word_start(
6924 &mut self,
6925 _: &SelectToPreviousWordStart,
6926 cx: &mut ViewContext<Self>,
6927 ) {
6928 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6929 s.move_heads_with(|map, head, _| {
6930 (
6931 movement::previous_word_start(map, head),
6932 SelectionGoal::None,
6933 )
6934 });
6935 })
6936 }
6937
6938 pub fn select_to_previous_subword_start(
6939 &mut self,
6940 _: &SelectToPreviousSubwordStart,
6941 cx: &mut ViewContext<Self>,
6942 ) {
6943 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6944 s.move_heads_with(|map, head, _| {
6945 (
6946 movement::previous_subword_start(map, head),
6947 SelectionGoal::None,
6948 )
6949 });
6950 })
6951 }
6952
6953 pub fn delete_to_previous_word_start(
6954 &mut self,
6955 _: &DeleteToPreviousWordStart,
6956 cx: &mut ViewContext<Self>,
6957 ) {
6958 self.transact(cx, |this, cx| {
6959 this.select_autoclose_pair(cx);
6960 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6961 let line_mode = s.line_mode;
6962 s.move_with(|map, selection| {
6963 if selection.is_empty() && !line_mode {
6964 let cursor = movement::previous_word_start(map, selection.head());
6965 selection.set_head(cursor, SelectionGoal::None);
6966 }
6967 });
6968 });
6969 this.insert("", cx);
6970 });
6971 }
6972
6973 pub fn delete_to_previous_subword_start(
6974 &mut self,
6975 _: &DeleteToPreviousSubwordStart,
6976 cx: &mut ViewContext<Self>,
6977 ) {
6978 self.transact(cx, |this, cx| {
6979 this.select_autoclose_pair(cx);
6980 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6981 let line_mode = s.line_mode;
6982 s.move_with(|map, selection| {
6983 if selection.is_empty() && !line_mode {
6984 let cursor = movement::previous_subword_start(map, selection.head());
6985 selection.set_head(cursor, SelectionGoal::None);
6986 }
6987 });
6988 });
6989 this.insert("", cx);
6990 });
6991 }
6992
6993 pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
6994 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6995 s.move_cursors_with(|map, head, _| {
6996 (movement::next_word_end(map, head), SelectionGoal::None)
6997 });
6998 })
6999 }
7000
7001 pub fn move_to_next_subword_end(
7002 &mut self,
7003 _: &MoveToNextSubwordEnd,
7004 cx: &mut ViewContext<Self>,
7005 ) {
7006 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7007 s.move_cursors_with(|map, head, _| {
7008 (movement::next_subword_end(map, head), SelectionGoal::None)
7009 });
7010 })
7011 }
7012
7013 pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
7014 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7015 s.move_heads_with(|map, head, _| {
7016 (movement::next_word_end(map, head), SelectionGoal::None)
7017 });
7018 })
7019 }
7020
7021 pub fn select_to_next_subword_end(
7022 &mut self,
7023 _: &SelectToNextSubwordEnd,
7024 cx: &mut ViewContext<Self>,
7025 ) {
7026 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7027 s.move_heads_with(|map, head, _| {
7028 (movement::next_subword_end(map, head), SelectionGoal::None)
7029 });
7030 })
7031 }
7032
7033 pub fn delete_to_next_word_end(&mut self, _: &DeleteToNextWordEnd, cx: &mut ViewContext<Self>) {
7034 self.transact(cx, |this, cx| {
7035 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7036 let line_mode = s.line_mode;
7037 s.move_with(|map, selection| {
7038 if selection.is_empty() && !line_mode {
7039 let cursor = movement::next_word_end(map, selection.head());
7040 selection.set_head(cursor, SelectionGoal::None);
7041 }
7042 });
7043 });
7044 this.insert("", cx);
7045 });
7046 }
7047
7048 pub fn delete_to_next_subword_end(
7049 &mut self,
7050 _: &DeleteToNextSubwordEnd,
7051 cx: &mut ViewContext<Self>,
7052 ) {
7053 self.transact(cx, |this, cx| {
7054 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7055 s.move_with(|map, selection| {
7056 if selection.is_empty() {
7057 let cursor = movement::next_subword_end(map, selection.head());
7058 selection.set_head(cursor, SelectionGoal::None);
7059 }
7060 });
7061 });
7062 this.insert("", cx);
7063 });
7064 }
7065
7066 pub fn move_to_beginning_of_line(
7067 &mut self,
7068 action: &MoveToBeginningOfLine,
7069 cx: &mut ViewContext<Self>,
7070 ) {
7071 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7072 s.move_cursors_with(|map, head, _| {
7073 (
7074 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
7075 SelectionGoal::None,
7076 )
7077 });
7078 })
7079 }
7080
7081 pub fn select_to_beginning_of_line(
7082 &mut self,
7083 action: &SelectToBeginningOfLine,
7084 cx: &mut ViewContext<Self>,
7085 ) {
7086 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7087 s.move_heads_with(|map, head, _| {
7088 (
7089 movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
7090 SelectionGoal::None,
7091 )
7092 });
7093 });
7094 }
7095
7096 pub fn delete_to_beginning_of_line(
7097 &mut self,
7098 _: &DeleteToBeginningOfLine,
7099 cx: &mut ViewContext<Self>,
7100 ) {
7101 self.transact(cx, |this, cx| {
7102 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7103 s.move_with(|_, selection| {
7104 selection.reversed = true;
7105 });
7106 });
7107
7108 this.select_to_beginning_of_line(
7109 &SelectToBeginningOfLine {
7110 stop_at_soft_wraps: false,
7111 },
7112 cx,
7113 );
7114 this.backspace(&Backspace, cx);
7115 });
7116 }
7117
7118 pub fn move_to_end_of_line(&mut self, action: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
7119 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7120 s.move_cursors_with(|map, head, _| {
7121 (
7122 movement::line_end(map, head, action.stop_at_soft_wraps),
7123 SelectionGoal::None,
7124 )
7125 });
7126 })
7127 }
7128
7129 pub fn select_to_end_of_line(
7130 &mut self,
7131 action: &SelectToEndOfLine,
7132 cx: &mut ViewContext<Self>,
7133 ) {
7134 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7135 s.move_heads_with(|map, head, _| {
7136 (
7137 movement::line_end(map, head, action.stop_at_soft_wraps),
7138 SelectionGoal::None,
7139 )
7140 });
7141 })
7142 }
7143
7144 pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
7145 self.transact(cx, |this, cx| {
7146 this.select_to_end_of_line(
7147 &SelectToEndOfLine {
7148 stop_at_soft_wraps: false,
7149 },
7150 cx,
7151 );
7152 this.delete(&Delete, cx);
7153 });
7154 }
7155
7156 pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
7157 self.transact(cx, |this, cx| {
7158 this.select_to_end_of_line(
7159 &SelectToEndOfLine {
7160 stop_at_soft_wraps: false,
7161 },
7162 cx,
7163 );
7164 this.cut(&Cut, cx);
7165 });
7166 }
7167
7168 pub fn move_to_start_of_paragraph(
7169 &mut self,
7170 _: &MoveToStartOfParagraph,
7171 cx: &mut ViewContext<Self>,
7172 ) {
7173 if matches!(self.mode, EditorMode::SingleLine) {
7174 cx.propagate();
7175 return;
7176 }
7177
7178 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7179 s.move_with(|map, selection| {
7180 selection.collapse_to(
7181 movement::start_of_paragraph(map, selection.head(), 1),
7182 SelectionGoal::None,
7183 )
7184 });
7185 })
7186 }
7187
7188 pub fn move_to_end_of_paragraph(
7189 &mut self,
7190 _: &MoveToEndOfParagraph,
7191 cx: &mut ViewContext<Self>,
7192 ) {
7193 if matches!(self.mode, EditorMode::SingleLine) {
7194 cx.propagate();
7195 return;
7196 }
7197
7198 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7199 s.move_with(|map, selection| {
7200 selection.collapse_to(
7201 movement::end_of_paragraph(map, selection.head(), 1),
7202 SelectionGoal::None,
7203 )
7204 });
7205 })
7206 }
7207
7208 pub fn select_to_start_of_paragraph(
7209 &mut self,
7210 _: &SelectToStartOfParagraph,
7211 cx: &mut ViewContext<Self>,
7212 ) {
7213 if matches!(self.mode, EditorMode::SingleLine) {
7214 cx.propagate();
7215 return;
7216 }
7217
7218 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7219 s.move_heads_with(|map, head, _| {
7220 (
7221 movement::start_of_paragraph(map, head, 1),
7222 SelectionGoal::None,
7223 )
7224 });
7225 })
7226 }
7227
7228 pub fn select_to_end_of_paragraph(
7229 &mut self,
7230 _: &SelectToEndOfParagraph,
7231 cx: &mut ViewContext<Self>,
7232 ) {
7233 if matches!(self.mode, EditorMode::SingleLine) {
7234 cx.propagate();
7235 return;
7236 }
7237
7238 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7239 s.move_heads_with(|map, head, _| {
7240 (
7241 movement::end_of_paragraph(map, head, 1),
7242 SelectionGoal::None,
7243 )
7244 });
7245 })
7246 }
7247
7248 pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
7249 if matches!(self.mode, EditorMode::SingleLine) {
7250 cx.propagate();
7251 return;
7252 }
7253
7254 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7255 s.select_ranges(vec![0..0]);
7256 });
7257 }
7258
7259 pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
7260 let mut selection = self.selections.last::<Point>(cx);
7261 selection.set_head(Point::zero(), SelectionGoal::None);
7262
7263 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7264 s.select(vec![selection]);
7265 });
7266 }
7267
7268 pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
7269 if matches!(self.mode, EditorMode::SingleLine) {
7270 cx.propagate();
7271 return;
7272 }
7273
7274 let cursor = self.buffer.read(cx).read(cx).len();
7275 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7276 s.select_ranges(vec![cursor..cursor])
7277 });
7278 }
7279
7280 pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
7281 self.nav_history = nav_history;
7282 }
7283
7284 pub fn nav_history(&self) -> Option<&ItemNavHistory> {
7285 self.nav_history.as_ref()
7286 }
7287
7288 fn push_to_nav_history(
7289 &mut self,
7290 cursor_anchor: Anchor,
7291 new_position: Option<Point>,
7292 cx: &mut ViewContext<Self>,
7293 ) {
7294 if let Some(nav_history) = self.nav_history.as_mut() {
7295 let buffer = self.buffer.read(cx).read(cx);
7296 let cursor_position = cursor_anchor.to_point(&buffer);
7297 let scroll_state = self.scroll_manager.anchor();
7298 let scroll_top_row = scroll_state.top_row(&buffer);
7299 drop(buffer);
7300
7301 if let Some(new_position) = new_position {
7302 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
7303 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
7304 return;
7305 }
7306 }
7307
7308 nav_history.push(
7309 Some(NavigationData {
7310 cursor_anchor,
7311 cursor_position,
7312 scroll_anchor: scroll_state,
7313 scroll_top_row,
7314 }),
7315 cx,
7316 );
7317 }
7318 }
7319
7320 pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
7321 let buffer = self.buffer.read(cx).snapshot(cx);
7322 let mut selection = self.selections.first::<usize>(cx);
7323 selection.set_head(buffer.len(), SelectionGoal::None);
7324 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7325 s.select(vec![selection]);
7326 });
7327 }
7328
7329 pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
7330 let end = self.buffer.read(cx).read(cx).len();
7331 self.change_selections(None, cx, |s| {
7332 s.select_ranges(vec![0..end]);
7333 });
7334 }
7335
7336 pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
7337 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7338 let mut selections = self.selections.all::<Point>(cx);
7339 let max_point = display_map.buffer_snapshot.max_point();
7340 for selection in &mut selections {
7341 let rows = selection.spanned_rows(true, &display_map);
7342 selection.start = Point::new(rows.start.0, 0);
7343 selection.end = cmp::min(max_point, Point::new(rows.end.0, 0));
7344 selection.reversed = false;
7345 }
7346 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7347 s.select(selections);
7348 });
7349 }
7350
7351 pub fn split_selection_into_lines(
7352 &mut self,
7353 _: &SplitSelectionIntoLines,
7354 cx: &mut ViewContext<Self>,
7355 ) {
7356 let mut to_unfold = Vec::new();
7357 let mut new_selection_ranges = Vec::new();
7358 {
7359 let selections = self.selections.all::<Point>(cx);
7360 let buffer = self.buffer.read(cx).read(cx);
7361 for selection in selections {
7362 for row in selection.start.row..selection.end.row {
7363 let cursor = Point::new(row, buffer.line_len(MultiBufferRow(row)));
7364 new_selection_ranges.push(cursor..cursor);
7365 }
7366 new_selection_ranges.push(selection.end..selection.end);
7367 to_unfold.push(selection.start..selection.end);
7368 }
7369 }
7370 self.unfold_ranges(to_unfold, true, true, cx);
7371 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7372 s.select_ranges(new_selection_ranges);
7373 });
7374 }
7375
7376 pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
7377 self.add_selection(true, cx);
7378 }
7379
7380 pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
7381 self.add_selection(false, cx);
7382 }
7383
7384 fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
7385 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7386 let mut selections = self.selections.all::<Point>(cx);
7387 let text_layout_details = self.text_layout_details(cx);
7388 let mut state = self.add_selections_state.take().unwrap_or_else(|| {
7389 let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
7390 let range = oldest_selection.display_range(&display_map).sorted();
7391
7392 let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
7393 let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
7394 let positions = start_x.min(end_x)..start_x.max(end_x);
7395
7396 selections.clear();
7397 let mut stack = Vec::new();
7398 for row in range.start.row().0..=range.end.row().0 {
7399 if let Some(selection) = self.selections.build_columnar_selection(
7400 &display_map,
7401 DisplayRow(row),
7402 &positions,
7403 oldest_selection.reversed,
7404 &text_layout_details,
7405 ) {
7406 stack.push(selection.id);
7407 selections.push(selection);
7408 }
7409 }
7410
7411 if above {
7412 stack.reverse();
7413 }
7414
7415 AddSelectionsState { above, stack }
7416 });
7417
7418 let last_added_selection = *state.stack.last().unwrap();
7419 let mut new_selections = Vec::new();
7420 if above == state.above {
7421 let end_row = if above {
7422 DisplayRow(0)
7423 } else {
7424 display_map.max_point().row()
7425 };
7426
7427 'outer: for selection in selections {
7428 if selection.id == last_added_selection {
7429 let range = selection.display_range(&display_map).sorted();
7430 debug_assert_eq!(range.start.row(), range.end.row());
7431 let mut row = range.start.row();
7432 let positions =
7433 if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
7434 px(start)..px(end)
7435 } else {
7436 let start_x =
7437 display_map.x_for_display_point(range.start, &text_layout_details);
7438 let end_x =
7439 display_map.x_for_display_point(range.end, &text_layout_details);
7440 start_x.min(end_x)..start_x.max(end_x)
7441 };
7442
7443 while row != end_row {
7444 if above {
7445 row.0 -= 1;
7446 } else {
7447 row.0 += 1;
7448 }
7449
7450 if let Some(new_selection) = self.selections.build_columnar_selection(
7451 &display_map,
7452 row,
7453 &positions,
7454 selection.reversed,
7455 &text_layout_details,
7456 ) {
7457 state.stack.push(new_selection.id);
7458 if above {
7459 new_selections.push(new_selection);
7460 new_selections.push(selection);
7461 } else {
7462 new_selections.push(selection);
7463 new_selections.push(new_selection);
7464 }
7465
7466 continue 'outer;
7467 }
7468 }
7469 }
7470
7471 new_selections.push(selection);
7472 }
7473 } else {
7474 new_selections = selections;
7475 new_selections.retain(|s| s.id != last_added_selection);
7476 state.stack.pop();
7477 }
7478
7479 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7480 s.select(new_selections);
7481 });
7482 if state.stack.len() > 1 {
7483 self.add_selections_state = Some(state);
7484 }
7485 }
7486
7487 pub fn select_next_match_internal(
7488 &mut self,
7489 display_map: &DisplaySnapshot,
7490 replace_newest: bool,
7491 autoscroll: Option<Autoscroll>,
7492 cx: &mut ViewContext<Self>,
7493 ) -> Result<()> {
7494 fn select_next_match_ranges(
7495 this: &mut Editor,
7496 range: Range<usize>,
7497 replace_newest: bool,
7498 auto_scroll: Option<Autoscroll>,
7499 cx: &mut ViewContext<Editor>,
7500 ) {
7501 this.unfold_ranges([range.clone()], false, true, cx);
7502 this.change_selections(auto_scroll, cx, |s| {
7503 if replace_newest {
7504 s.delete(s.newest_anchor().id);
7505 }
7506 s.insert_range(range.clone());
7507 });
7508 }
7509
7510 let buffer = &display_map.buffer_snapshot;
7511 let mut selections = self.selections.all::<usize>(cx);
7512 if let Some(mut select_next_state) = self.select_next_state.take() {
7513 let query = &select_next_state.query;
7514 if !select_next_state.done {
7515 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
7516 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
7517 let mut next_selected_range = None;
7518
7519 let bytes_after_last_selection =
7520 buffer.bytes_in_range(last_selection.end..buffer.len());
7521 let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
7522 let query_matches = query
7523 .stream_find_iter(bytes_after_last_selection)
7524 .map(|result| (last_selection.end, result))
7525 .chain(
7526 query
7527 .stream_find_iter(bytes_before_first_selection)
7528 .map(|result| (0, result)),
7529 );
7530
7531 for (start_offset, query_match) in query_matches {
7532 let query_match = query_match.unwrap(); // can only fail due to I/O
7533 let offset_range =
7534 start_offset + query_match.start()..start_offset + query_match.end();
7535 let display_range = offset_range.start.to_display_point(&display_map)
7536 ..offset_range.end.to_display_point(&display_map);
7537
7538 if !select_next_state.wordwise
7539 || (!movement::is_inside_word(&display_map, display_range.start)
7540 && !movement::is_inside_word(&display_map, display_range.end))
7541 {
7542 // TODO: This is n^2, because we might check all the selections
7543 if !selections
7544 .iter()
7545 .any(|selection| selection.range().overlaps(&offset_range))
7546 {
7547 next_selected_range = Some(offset_range);
7548 break;
7549 }
7550 }
7551 }
7552
7553 if let Some(next_selected_range) = next_selected_range {
7554 select_next_match_ranges(
7555 self,
7556 next_selected_range,
7557 replace_newest,
7558 autoscroll,
7559 cx,
7560 );
7561 } else {
7562 select_next_state.done = true;
7563 }
7564 }
7565
7566 self.select_next_state = Some(select_next_state);
7567 } else {
7568 let mut only_carets = true;
7569 let mut same_text_selected = true;
7570 let mut selected_text = None;
7571
7572 let mut selections_iter = selections.iter().peekable();
7573 while let Some(selection) = selections_iter.next() {
7574 if selection.start != selection.end {
7575 only_carets = false;
7576 }
7577
7578 if same_text_selected {
7579 if selected_text.is_none() {
7580 selected_text =
7581 Some(buffer.text_for_range(selection.range()).collect::<String>());
7582 }
7583
7584 if let Some(next_selection) = selections_iter.peek() {
7585 if next_selection.range().len() == selection.range().len() {
7586 let next_selected_text = buffer
7587 .text_for_range(next_selection.range())
7588 .collect::<String>();
7589 if Some(next_selected_text) != selected_text {
7590 same_text_selected = false;
7591 selected_text = None;
7592 }
7593 } else {
7594 same_text_selected = false;
7595 selected_text = None;
7596 }
7597 }
7598 }
7599 }
7600
7601 if only_carets {
7602 for selection in &mut selections {
7603 let word_range = movement::surrounding_word(
7604 &display_map,
7605 selection.start.to_display_point(&display_map),
7606 );
7607 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
7608 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
7609 selection.goal = SelectionGoal::None;
7610 selection.reversed = false;
7611 select_next_match_ranges(
7612 self,
7613 selection.start..selection.end,
7614 replace_newest,
7615 autoscroll,
7616 cx,
7617 );
7618 }
7619
7620 if selections.len() == 1 {
7621 let selection = selections
7622 .last()
7623 .expect("ensured that there's only one selection");
7624 let query = buffer
7625 .text_for_range(selection.start..selection.end)
7626 .collect::<String>();
7627 let is_empty = query.is_empty();
7628 let select_state = SelectNextState {
7629 query: AhoCorasick::new(&[query])?,
7630 wordwise: true,
7631 done: is_empty,
7632 };
7633 self.select_next_state = Some(select_state);
7634 } else {
7635 self.select_next_state = None;
7636 }
7637 } else if let Some(selected_text) = selected_text {
7638 self.select_next_state = Some(SelectNextState {
7639 query: AhoCorasick::new(&[selected_text])?,
7640 wordwise: false,
7641 done: false,
7642 });
7643 self.select_next_match_internal(display_map, replace_newest, autoscroll, cx)?;
7644 }
7645 }
7646 Ok(())
7647 }
7648
7649 pub fn select_all_matches(
7650 &mut self,
7651 _action: &SelectAllMatches,
7652 cx: &mut ViewContext<Self>,
7653 ) -> Result<()> {
7654 self.push_to_selection_history();
7655 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7656
7657 self.select_next_match_internal(&display_map, false, None, cx)?;
7658 let Some(select_next_state) = self.select_next_state.as_mut() else {
7659 return Ok(());
7660 };
7661 if select_next_state.done {
7662 return Ok(());
7663 }
7664
7665 let mut new_selections = self.selections.all::<usize>(cx);
7666
7667 let buffer = &display_map.buffer_snapshot;
7668 let query_matches = select_next_state
7669 .query
7670 .stream_find_iter(buffer.bytes_in_range(0..buffer.len()));
7671
7672 for query_match in query_matches {
7673 let query_match = query_match.unwrap(); // can only fail due to I/O
7674 let offset_range = query_match.start()..query_match.end();
7675 let display_range = offset_range.start.to_display_point(&display_map)
7676 ..offset_range.end.to_display_point(&display_map);
7677
7678 if !select_next_state.wordwise
7679 || (!movement::is_inside_word(&display_map, display_range.start)
7680 && !movement::is_inside_word(&display_map, display_range.end))
7681 {
7682 self.selections.change_with(cx, |selections| {
7683 new_selections.push(Selection {
7684 id: selections.new_selection_id(),
7685 start: offset_range.start,
7686 end: offset_range.end,
7687 reversed: false,
7688 goal: SelectionGoal::None,
7689 });
7690 });
7691 }
7692 }
7693
7694 new_selections.sort_by_key(|selection| selection.start);
7695 let mut ix = 0;
7696 while ix + 1 < new_selections.len() {
7697 let current_selection = &new_selections[ix];
7698 let next_selection = &new_selections[ix + 1];
7699 if current_selection.range().overlaps(&next_selection.range()) {
7700 if current_selection.id < next_selection.id {
7701 new_selections.remove(ix + 1);
7702 } else {
7703 new_selections.remove(ix);
7704 }
7705 } else {
7706 ix += 1;
7707 }
7708 }
7709
7710 select_next_state.done = true;
7711 self.unfold_ranges(
7712 new_selections.iter().map(|selection| selection.range()),
7713 false,
7714 false,
7715 cx,
7716 );
7717 self.change_selections(Some(Autoscroll::fit()), cx, |selections| {
7718 selections.select(new_selections)
7719 });
7720
7721 Ok(())
7722 }
7723
7724 pub fn select_next(&mut self, action: &SelectNext, cx: &mut ViewContext<Self>) -> Result<()> {
7725 self.push_to_selection_history();
7726 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7727 self.select_next_match_internal(
7728 &display_map,
7729 action.replace_newest,
7730 Some(Autoscroll::newest()),
7731 cx,
7732 )?;
7733 Ok(())
7734 }
7735
7736 pub fn select_previous(
7737 &mut self,
7738 action: &SelectPrevious,
7739 cx: &mut ViewContext<Self>,
7740 ) -> Result<()> {
7741 self.push_to_selection_history();
7742 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7743 let buffer = &display_map.buffer_snapshot;
7744 let mut selections = self.selections.all::<usize>(cx);
7745 if let Some(mut select_prev_state) = self.select_prev_state.take() {
7746 let query = &select_prev_state.query;
7747 if !select_prev_state.done {
7748 let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
7749 let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
7750 let mut next_selected_range = None;
7751 // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
7752 let bytes_before_last_selection =
7753 buffer.reversed_bytes_in_range(0..last_selection.start);
7754 let bytes_after_first_selection =
7755 buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
7756 let query_matches = query
7757 .stream_find_iter(bytes_before_last_selection)
7758 .map(|result| (last_selection.start, result))
7759 .chain(
7760 query
7761 .stream_find_iter(bytes_after_first_selection)
7762 .map(|result| (buffer.len(), result)),
7763 );
7764 for (end_offset, query_match) in query_matches {
7765 let query_match = query_match.unwrap(); // can only fail due to I/O
7766 let offset_range =
7767 end_offset - query_match.end()..end_offset - query_match.start();
7768 let display_range = offset_range.start.to_display_point(&display_map)
7769 ..offset_range.end.to_display_point(&display_map);
7770
7771 if !select_prev_state.wordwise
7772 || (!movement::is_inside_word(&display_map, display_range.start)
7773 && !movement::is_inside_word(&display_map, display_range.end))
7774 {
7775 next_selected_range = Some(offset_range);
7776 break;
7777 }
7778 }
7779
7780 if let Some(next_selected_range) = next_selected_range {
7781 self.unfold_ranges([next_selected_range.clone()], false, true, cx);
7782 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
7783 if action.replace_newest {
7784 s.delete(s.newest_anchor().id);
7785 }
7786 s.insert_range(next_selected_range);
7787 });
7788 } else {
7789 select_prev_state.done = true;
7790 }
7791 }
7792
7793 self.select_prev_state = Some(select_prev_state);
7794 } else {
7795 let mut only_carets = true;
7796 let mut same_text_selected = true;
7797 let mut selected_text = None;
7798
7799 let mut selections_iter = selections.iter().peekable();
7800 while let Some(selection) = selections_iter.next() {
7801 if selection.start != selection.end {
7802 only_carets = false;
7803 }
7804
7805 if same_text_selected {
7806 if selected_text.is_none() {
7807 selected_text =
7808 Some(buffer.text_for_range(selection.range()).collect::<String>());
7809 }
7810
7811 if let Some(next_selection) = selections_iter.peek() {
7812 if next_selection.range().len() == selection.range().len() {
7813 let next_selected_text = buffer
7814 .text_for_range(next_selection.range())
7815 .collect::<String>();
7816 if Some(next_selected_text) != selected_text {
7817 same_text_selected = false;
7818 selected_text = None;
7819 }
7820 } else {
7821 same_text_selected = false;
7822 selected_text = None;
7823 }
7824 }
7825 }
7826 }
7827
7828 if only_carets {
7829 for selection in &mut selections {
7830 let word_range = movement::surrounding_word(
7831 &display_map,
7832 selection.start.to_display_point(&display_map),
7833 );
7834 selection.start = word_range.start.to_offset(&display_map, Bias::Left);
7835 selection.end = word_range.end.to_offset(&display_map, Bias::Left);
7836 selection.goal = SelectionGoal::None;
7837 selection.reversed = false;
7838 }
7839 if selections.len() == 1 {
7840 let selection = selections
7841 .last()
7842 .expect("ensured that there's only one selection");
7843 let query = buffer
7844 .text_for_range(selection.start..selection.end)
7845 .collect::<String>();
7846 let is_empty = query.is_empty();
7847 let select_state = SelectNextState {
7848 query: AhoCorasick::new(&[query.chars().rev().collect::<String>()])?,
7849 wordwise: true,
7850 done: is_empty,
7851 };
7852 self.select_prev_state = Some(select_state);
7853 } else {
7854 self.select_prev_state = None;
7855 }
7856
7857 self.unfold_ranges(
7858 selections.iter().map(|s| s.range()).collect::<Vec<_>>(),
7859 false,
7860 true,
7861 cx,
7862 );
7863 self.change_selections(Some(Autoscroll::newest()), cx, |s| {
7864 s.select(selections);
7865 });
7866 } else if let Some(selected_text) = selected_text {
7867 self.select_prev_state = Some(SelectNextState {
7868 query: AhoCorasick::new(&[selected_text.chars().rev().collect::<String>()])?,
7869 wordwise: false,
7870 done: false,
7871 });
7872 self.select_previous(action, cx)?;
7873 }
7874 }
7875 Ok(())
7876 }
7877
7878 pub fn toggle_comments(&mut self, action: &ToggleComments, cx: &mut ViewContext<Self>) {
7879 let text_layout_details = &self.text_layout_details(cx);
7880 self.transact(cx, |this, cx| {
7881 let mut selections = this.selections.all::<MultiBufferPoint>(cx);
7882 let mut edits = Vec::new();
7883 let mut selection_edit_ranges = Vec::new();
7884 let mut last_toggled_row = None;
7885 let snapshot = this.buffer.read(cx).read(cx);
7886 let empty_str: Arc<str> = "".into();
7887 let mut suffixes_inserted = Vec::new();
7888
7889 fn comment_prefix_range(
7890 snapshot: &MultiBufferSnapshot,
7891 row: MultiBufferRow,
7892 comment_prefix: &str,
7893 comment_prefix_whitespace: &str,
7894 ) -> Range<Point> {
7895 let start = Point::new(row.0, snapshot.indent_size_for_line(row).len);
7896
7897 let mut line_bytes = snapshot
7898 .bytes_in_range(start..snapshot.max_point())
7899 .flatten()
7900 .copied();
7901
7902 // If this line currently begins with the line comment prefix, then record
7903 // the range containing the prefix.
7904 if line_bytes
7905 .by_ref()
7906 .take(comment_prefix.len())
7907 .eq(comment_prefix.bytes())
7908 {
7909 // Include any whitespace that matches the comment prefix.
7910 let matching_whitespace_len = line_bytes
7911 .zip(comment_prefix_whitespace.bytes())
7912 .take_while(|(a, b)| a == b)
7913 .count() as u32;
7914 let end = Point::new(
7915 start.row,
7916 start.column + comment_prefix.len() as u32 + matching_whitespace_len,
7917 );
7918 start..end
7919 } else {
7920 start..start
7921 }
7922 }
7923
7924 fn comment_suffix_range(
7925 snapshot: &MultiBufferSnapshot,
7926 row: MultiBufferRow,
7927 comment_suffix: &str,
7928 comment_suffix_has_leading_space: bool,
7929 ) -> Range<Point> {
7930 let end = Point::new(row.0, snapshot.line_len(row));
7931 let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
7932
7933 let mut line_end_bytes = snapshot
7934 .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
7935 .flatten()
7936 .copied();
7937
7938 let leading_space_len = if suffix_start_column > 0
7939 && line_end_bytes.next() == Some(b' ')
7940 && comment_suffix_has_leading_space
7941 {
7942 1
7943 } else {
7944 0
7945 };
7946
7947 // If this line currently begins with the line comment prefix, then record
7948 // the range containing the prefix.
7949 if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
7950 let start = Point::new(end.row, suffix_start_column - leading_space_len);
7951 start..end
7952 } else {
7953 end..end
7954 }
7955 }
7956
7957 // TODO: Handle selections that cross excerpts
7958 for selection in &mut selections {
7959 let start_column = snapshot
7960 .indent_size_for_line(MultiBufferRow(selection.start.row))
7961 .len;
7962 let language = if let Some(language) =
7963 snapshot.language_scope_at(Point::new(selection.start.row, start_column))
7964 {
7965 language
7966 } else {
7967 continue;
7968 };
7969
7970 selection_edit_ranges.clear();
7971
7972 // If multiple selections contain a given row, avoid processing that
7973 // row more than once.
7974 let mut start_row = MultiBufferRow(selection.start.row);
7975 if last_toggled_row == Some(start_row) {
7976 start_row = start_row.next_row();
7977 }
7978 let end_row =
7979 if selection.end.row > selection.start.row && selection.end.column == 0 {
7980 MultiBufferRow(selection.end.row - 1)
7981 } else {
7982 MultiBufferRow(selection.end.row)
7983 };
7984 last_toggled_row = Some(end_row);
7985
7986 if start_row > end_row {
7987 continue;
7988 }
7989
7990 // If the language has line comments, toggle those.
7991 let full_comment_prefixes = language.line_comment_prefixes();
7992 if !full_comment_prefixes.is_empty() {
7993 let first_prefix = full_comment_prefixes
7994 .first()
7995 .expect("prefixes is non-empty");
7996 let prefix_trimmed_lengths = full_comment_prefixes
7997 .iter()
7998 .map(|p| p.trim_end_matches(' ').len())
7999 .collect::<SmallVec<[usize; 4]>>();
8000
8001 let mut all_selection_lines_are_comments = true;
8002
8003 for row in start_row.0..=end_row.0 {
8004 let row = MultiBufferRow(row);
8005 if start_row < end_row && snapshot.is_line_blank(row) {
8006 continue;
8007 }
8008
8009 let prefix_range = full_comment_prefixes
8010 .iter()
8011 .zip(prefix_trimmed_lengths.iter().copied())
8012 .map(|(prefix, trimmed_prefix_len)| {
8013 comment_prefix_range(
8014 snapshot.deref(),
8015 row,
8016 &prefix[..trimmed_prefix_len],
8017 &prefix[trimmed_prefix_len..],
8018 )
8019 })
8020 .max_by_key(|range| range.end.column - range.start.column)
8021 .expect("prefixes is non-empty");
8022
8023 if prefix_range.is_empty() {
8024 all_selection_lines_are_comments = false;
8025 }
8026
8027 selection_edit_ranges.push(prefix_range);
8028 }
8029
8030 if all_selection_lines_are_comments {
8031 edits.extend(
8032 selection_edit_ranges
8033 .iter()
8034 .cloned()
8035 .map(|range| (range, empty_str.clone())),
8036 );
8037 } else {
8038 let min_column = selection_edit_ranges
8039 .iter()
8040 .map(|range| range.start.column)
8041 .min()
8042 .unwrap_or(0);
8043 edits.extend(selection_edit_ranges.iter().map(|range| {
8044 let position = Point::new(range.start.row, min_column);
8045 (position..position, first_prefix.clone())
8046 }));
8047 }
8048 } else if let Some((full_comment_prefix, comment_suffix)) =
8049 language.block_comment_delimiters()
8050 {
8051 let comment_prefix = full_comment_prefix.trim_end_matches(' ');
8052 let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
8053 let prefix_range = comment_prefix_range(
8054 snapshot.deref(),
8055 start_row,
8056 comment_prefix,
8057 comment_prefix_whitespace,
8058 );
8059 let suffix_range = comment_suffix_range(
8060 snapshot.deref(),
8061 end_row,
8062 comment_suffix.trim_start_matches(' '),
8063 comment_suffix.starts_with(' '),
8064 );
8065
8066 if prefix_range.is_empty() || suffix_range.is_empty() {
8067 edits.push((
8068 prefix_range.start..prefix_range.start,
8069 full_comment_prefix.clone(),
8070 ));
8071 edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
8072 suffixes_inserted.push((end_row, comment_suffix.len()));
8073 } else {
8074 edits.push((prefix_range, empty_str.clone()));
8075 edits.push((suffix_range, empty_str.clone()));
8076 }
8077 } else {
8078 continue;
8079 }
8080 }
8081
8082 drop(snapshot);
8083 this.buffer.update(cx, |buffer, cx| {
8084 buffer.edit(edits, None, cx);
8085 });
8086
8087 // Adjust selections so that they end before any comment suffixes that
8088 // were inserted.
8089 let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
8090 let mut selections = this.selections.all::<Point>(cx);
8091 let snapshot = this.buffer.read(cx).read(cx);
8092 for selection in &mut selections {
8093 while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
8094 match row.cmp(&MultiBufferRow(selection.end.row)) {
8095 Ordering::Less => {
8096 suffixes_inserted.next();
8097 continue;
8098 }
8099 Ordering::Greater => break,
8100 Ordering::Equal => {
8101 if selection.end.column == snapshot.line_len(row) {
8102 if selection.is_empty() {
8103 selection.start.column -= suffix_len as u32;
8104 }
8105 selection.end.column -= suffix_len as u32;
8106 }
8107 break;
8108 }
8109 }
8110 }
8111 }
8112
8113 drop(snapshot);
8114 this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
8115
8116 let selections = this.selections.all::<Point>(cx);
8117 let selections_on_single_row = selections.windows(2).all(|selections| {
8118 selections[0].start.row == selections[1].start.row
8119 && selections[0].end.row == selections[1].end.row
8120 && selections[0].start.row == selections[0].end.row
8121 });
8122 let selections_selecting = selections
8123 .iter()
8124 .any(|selection| selection.start != selection.end);
8125 let advance_downwards = action.advance_downwards
8126 && selections_on_single_row
8127 && !selections_selecting
8128 && this.mode != EditorMode::SingleLine;
8129
8130 if advance_downwards {
8131 let snapshot = this.buffer.read(cx).snapshot(cx);
8132
8133 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
8134 s.move_cursors_with(|display_snapshot, display_point, _| {
8135 let mut point = display_point.to_point(display_snapshot);
8136 point.row += 1;
8137 point = snapshot.clip_point(point, Bias::Left);
8138 let display_point = point.to_display_point(display_snapshot);
8139 let goal = SelectionGoal::HorizontalPosition(
8140 display_snapshot
8141 .x_for_display_point(display_point, &text_layout_details)
8142 .into(),
8143 );
8144 (display_point, goal)
8145 })
8146 });
8147 }
8148 });
8149 }
8150
8151 pub fn select_larger_syntax_node(
8152 &mut self,
8153 _: &SelectLargerSyntaxNode,
8154 cx: &mut ViewContext<Self>,
8155 ) {
8156 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8157 let buffer = self.buffer.read(cx).snapshot(cx);
8158 let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
8159
8160 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
8161 let mut selected_larger_node = false;
8162 let new_selections = old_selections
8163 .iter()
8164 .map(|selection| {
8165 let old_range = selection.start..selection.end;
8166 let mut new_range = old_range.clone();
8167 while let Some(containing_range) =
8168 buffer.range_for_syntax_ancestor(new_range.clone())
8169 {
8170 new_range = containing_range;
8171 if !display_map.intersects_fold(new_range.start)
8172 && !display_map.intersects_fold(new_range.end)
8173 {
8174 break;
8175 }
8176 }
8177
8178 selected_larger_node |= new_range != old_range;
8179 Selection {
8180 id: selection.id,
8181 start: new_range.start,
8182 end: new_range.end,
8183 goal: SelectionGoal::None,
8184 reversed: selection.reversed,
8185 }
8186 })
8187 .collect::<Vec<_>>();
8188
8189 if selected_larger_node {
8190 stack.push(old_selections);
8191 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8192 s.select(new_selections);
8193 });
8194 }
8195 self.select_larger_syntax_node_stack = stack;
8196 }
8197
8198 pub fn select_smaller_syntax_node(
8199 &mut self,
8200 _: &SelectSmallerSyntaxNode,
8201 cx: &mut ViewContext<Self>,
8202 ) {
8203 let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
8204 if let Some(selections) = stack.pop() {
8205 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8206 s.select(selections.to_vec());
8207 });
8208 }
8209 self.select_larger_syntax_node_stack = stack;
8210 }
8211
8212 fn refresh_runnables(&mut self, cx: &mut ViewContext<Self>) -> Task<()> {
8213 let project = self.project.clone();
8214 cx.spawn(|this, mut cx| async move {
8215 let Ok(display_snapshot) = this.update(&mut cx, |this, cx| {
8216 this.display_map.update(cx, |map, cx| map.snapshot(cx))
8217 }) else {
8218 return;
8219 };
8220
8221 let Some(project) = project else {
8222 return;
8223 };
8224
8225 let hide_runnables = project
8226 .update(&mut cx, |project, cx| {
8227 // Do not display any test indicators in non-dev server remote projects.
8228 project.is_remote() && project.ssh_connection_string(cx).is_none()
8229 })
8230 .unwrap_or(true);
8231 if hide_runnables {
8232 return;
8233 }
8234 let new_rows =
8235 cx.background_executor()
8236 .spawn({
8237 let snapshot = display_snapshot.clone();
8238 async move {
8239 Self::fetch_runnable_ranges(&snapshot, Anchor::min()..Anchor::max())
8240 }
8241 })
8242 .await;
8243 let rows = Self::runnable_rows(project, display_snapshot, new_rows, cx.clone());
8244
8245 this.update(&mut cx, |this, _| {
8246 this.clear_tasks();
8247 for (key, value) in rows {
8248 this.insert_tasks(key, value);
8249 }
8250 })
8251 .ok();
8252 })
8253 }
8254 fn fetch_runnable_ranges(
8255 snapshot: &DisplaySnapshot,
8256 range: Range<Anchor>,
8257 ) -> Vec<language::RunnableRange> {
8258 snapshot.buffer_snapshot.runnable_ranges(range).collect()
8259 }
8260
8261 fn runnable_rows(
8262 project: Model<Project>,
8263 snapshot: DisplaySnapshot,
8264 runnable_ranges: Vec<RunnableRange>,
8265 mut cx: AsyncWindowContext,
8266 ) -> Vec<((BufferId, u32), RunnableTasks)> {
8267 runnable_ranges
8268 .into_iter()
8269 .filter_map(|mut runnable| {
8270 let tasks = cx
8271 .update(|cx| Self::templates_with_tags(&project, &mut runnable.runnable, cx))
8272 .ok()?;
8273 if tasks.is_empty() {
8274 return None;
8275 }
8276
8277 let point = runnable.run_range.start.to_point(&snapshot.buffer_snapshot);
8278
8279 let row = snapshot
8280 .buffer_snapshot
8281 .buffer_line_for_row(MultiBufferRow(point.row))?
8282 .1
8283 .start
8284 .row;
8285
8286 let context_range =
8287 BufferOffset(runnable.full_range.start)..BufferOffset(runnable.full_range.end);
8288 Some((
8289 (runnable.buffer_id, row),
8290 RunnableTasks {
8291 templates: tasks,
8292 offset: MultiBufferOffset(runnable.run_range.start),
8293 context_range,
8294 column: point.column,
8295 extra_variables: runnable.extra_captures,
8296 },
8297 ))
8298 })
8299 .collect()
8300 }
8301
8302 fn templates_with_tags(
8303 project: &Model<Project>,
8304 runnable: &mut Runnable,
8305 cx: &WindowContext<'_>,
8306 ) -> Vec<(TaskSourceKind, TaskTemplate)> {
8307 let (inventory, worktree_id) = project.read_with(cx, |project, cx| {
8308 let worktree_id = project
8309 .buffer_for_id(runnable.buffer)
8310 .and_then(|buffer| buffer.read(cx).file())
8311 .map(|file| WorktreeId::from_usize(file.worktree_id()));
8312
8313 (project.task_inventory().clone(), worktree_id)
8314 });
8315
8316 let inventory = inventory.read(cx);
8317 let tags = mem::take(&mut runnable.tags);
8318 let mut tags: Vec<_> = tags
8319 .into_iter()
8320 .flat_map(|tag| {
8321 let tag = tag.0.clone();
8322 inventory
8323 .list_tasks(Some(runnable.language.clone()), worktree_id)
8324 .into_iter()
8325 .filter(move |(_, template)| {
8326 template.tags.iter().any(|source_tag| source_tag == &tag)
8327 })
8328 })
8329 .sorted_by_key(|(kind, _)| kind.to_owned())
8330 .collect();
8331 if let Some((leading_tag_source, _)) = tags.first() {
8332 // Strongest source wins; if we have worktree tag binding, prefer that to
8333 // global and language bindings;
8334 // if we have a global binding, prefer that to language binding.
8335 let first_mismatch = tags
8336 .iter()
8337 .position(|(tag_source, _)| tag_source != leading_tag_source);
8338 if let Some(index) = first_mismatch {
8339 tags.truncate(index);
8340 }
8341 }
8342
8343 tags
8344 }
8345
8346 pub fn move_to_enclosing_bracket(
8347 &mut self,
8348 _: &MoveToEnclosingBracket,
8349 cx: &mut ViewContext<Self>,
8350 ) {
8351 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8352 s.move_offsets_with(|snapshot, selection| {
8353 let Some(enclosing_bracket_ranges) =
8354 snapshot.enclosing_bracket_ranges(selection.start..selection.end)
8355 else {
8356 return;
8357 };
8358
8359 let mut best_length = usize::MAX;
8360 let mut best_inside = false;
8361 let mut best_in_bracket_range = false;
8362 let mut best_destination = None;
8363 for (open, close) in enclosing_bracket_ranges {
8364 let close = close.to_inclusive();
8365 let length = close.end() - open.start;
8366 let inside = selection.start >= open.end && selection.end <= *close.start();
8367 let in_bracket_range = open.to_inclusive().contains(&selection.head())
8368 || close.contains(&selection.head());
8369
8370 // If best is next to a bracket and current isn't, skip
8371 if !in_bracket_range && best_in_bracket_range {
8372 continue;
8373 }
8374
8375 // Prefer smaller lengths unless best is inside and current isn't
8376 if length > best_length && (best_inside || !inside) {
8377 continue;
8378 }
8379
8380 best_length = length;
8381 best_inside = inside;
8382 best_in_bracket_range = in_bracket_range;
8383 best_destination = Some(
8384 if close.contains(&selection.start) && close.contains(&selection.end) {
8385 if inside {
8386 open.end
8387 } else {
8388 open.start
8389 }
8390 } else {
8391 if inside {
8392 *close.start()
8393 } else {
8394 *close.end()
8395 }
8396 },
8397 );
8398 }
8399
8400 if let Some(destination) = best_destination {
8401 selection.collapse_to(destination, SelectionGoal::None);
8402 }
8403 })
8404 });
8405 }
8406
8407 pub fn undo_selection(&mut self, _: &UndoSelection, cx: &mut ViewContext<Self>) {
8408 self.end_selection(cx);
8409 self.selection_history.mode = SelectionHistoryMode::Undoing;
8410 if let Some(entry) = self.selection_history.undo_stack.pop_back() {
8411 self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
8412 self.select_next_state = entry.select_next_state;
8413 self.select_prev_state = entry.select_prev_state;
8414 self.add_selections_state = entry.add_selections_state;
8415 self.request_autoscroll(Autoscroll::newest(), cx);
8416 }
8417 self.selection_history.mode = SelectionHistoryMode::Normal;
8418 }
8419
8420 pub fn redo_selection(&mut self, _: &RedoSelection, cx: &mut ViewContext<Self>) {
8421 self.end_selection(cx);
8422 self.selection_history.mode = SelectionHistoryMode::Redoing;
8423 if let Some(entry) = self.selection_history.redo_stack.pop_back() {
8424 self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
8425 self.select_next_state = entry.select_next_state;
8426 self.select_prev_state = entry.select_prev_state;
8427 self.add_selections_state = entry.add_selections_state;
8428 self.request_autoscroll(Autoscroll::newest(), cx);
8429 }
8430 self.selection_history.mode = SelectionHistoryMode::Normal;
8431 }
8432
8433 pub fn expand_excerpts(&mut self, action: &ExpandExcerpts, cx: &mut ViewContext<Self>) {
8434 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::UpAndDown, cx)
8435 }
8436
8437 pub fn expand_excerpts_down(
8438 &mut self,
8439 action: &ExpandExcerptsDown,
8440 cx: &mut ViewContext<Self>,
8441 ) {
8442 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Down, cx)
8443 }
8444
8445 pub fn expand_excerpts_up(&mut self, action: &ExpandExcerptsUp, cx: &mut ViewContext<Self>) {
8446 self.expand_excerpts_for_direction(action.lines, ExpandExcerptDirection::Up, cx)
8447 }
8448
8449 pub fn expand_excerpts_for_direction(
8450 &mut self,
8451 lines: u32,
8452 direction: ExpandExcerptDirection,
8453 cx: &mut ViewContext<Self>,
8454 ) {
8455 let selections = self.selections.disjoint_anchors();
8456
8457 let lines = if lines == 0 {
8458 EditorSettings::get_global(cx).expand_excerpt_lines
8459 } else {
8460 lines
8461 };
8462
8463 self.buffer.update(cx, |buffer, cx| {
8464 buffer.expand_excerpts(
8465 selections
8466 .into_iter()
8467 .map(|selection| selection.head().excerpt_id)
8468 .dedup(),
8469 lines,
8470 direction,
8471 cx,
8472 )
8473 })
8474 }
8475
8476 pub fn expand_excerpt(
8477 &mut self,
8478 excerpt: ExcerptId,
8479 direction: ExpandExcerptDirection,
8480 cx: &mut ViewContext<Self>,
8481 ) {
8482 let lines = EditorSettings::get_global(cx).expand_excerpt_lines;
8483 self.buffer.update(cx, |buffer, cx| {
8484 buffer.expand_excerpts([excerpt], lines, direction, cx)
8485 })
8486 }
8487
8488 fn go_to_diagnostic(&mut self, _: &GoToDiagnostic, cx: &mut ViewContext<Self>) {
8489 self.go_to_diagnostic_impl(Direction::Next, cx)
8490 }
8491
8492 fn go_to_prev_diagnostic(&mut self, _: &GoToPrevDiagnostic, cx: &mut ViewContext<Self>) {
8493 self.go_to_diagnostic_impl(Direction::Prev, cx)
8494 }
8495
8496 pub fn go_to_diagnostic_impl(&mut self, direction: Direction, cx: &mut ViewContext<Self>) {
8497 let buffer = self.buffer.read(cx).snapshot(cx);
8498 let selection = self.selections.newest::<usize>(cx);
8499
8500 // If there is an active Diagnostic Popover jump to its diagnostic instead.
8501 if direction == Direction::Next {
8502 if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
8503 let (group_id, jump_to) = popover.activation_info();
8504 if self.activate_diagnostics(group_id, cx) {
8505 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8506 let mut new_selection = s.newest_anchor().clone();
8507 new_selection.collapse_to(jump_to, SelectionGoal::None);
8508 s.select_anchors(vec![new_selection.clone()]);
8509 });
8510 }
8511 return;
8512 }
8513 }
8514
8515 let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
8516 active_diagnostics
8517 .primary_range
8518 .to_offset(&buffer)
8519 .to_inclusive()
8520 });
8521 let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
8522 if active_primary_range.contains(&selection.head()) {
8523 *active_primary_range.start()
8524 } else {
8525 selection.head()
8526 }
8527 } else {
8528 selection.head()
8529 };
8530 let snapshot = self.snapshot(cx);
8531 loop {
8532 let diagnostics = if direction == Direction::Prev {
8533 buffer.diagnostics_in_range::<_, usize>(0..search_start, true)
8534 } else {
8535 buffer.diagnostics_in_range::<_, usize>(search_start..buffer.len(), false)
8536 }
8537 .filter(|diagnostic| !snapshot.intersects_fold(diagnostic.range.start));
8538 let group = diagnostics
8539 // relies on diagnostics_in_range to return diagnostics with the same starting range to
8540 // be sorted in a stable way
8541 // skip until we are at current active diagnostic, if it exists
8542 .skip_while(|entry| {
8543 (match direction {
8544 Direction::Prev => entry.range.start >= search_start,
8545 Direction::Next => entry.range.start <= search_start,
8546 }) && self
8547 .active_diagnostics
8548 .as_ref()
8549 .is_some_and(|a| a.group_id != entry.diagnostic.group_id)
8550 })
8551 .find_map(|entry| {
8552 if entry.diagnostic.is_primary
8553 && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
8554 && !entry.range.is_empty()
8555 // if we match with the active diagnostic, skip it
8556 && Some(entry.diagnostic.group_id)
8557 != self.active_diagnostics.as_ref().map(|d| d.group_id)
8558 {
8559 Some((entry.range, entry.diagnostic.group_id))
8560 } else {
8561 None
8562 }
8563 });
8564
8565 if let Some((primary_range, group_id)) = group {
8566 if self.activate_diagnostics(group_id, cx) {
8567 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8568 s.select(vec![Selection {
8569 id: selection.id,
8570 start: primary_range.start,
8571 end: primary_range.start,
8572 reversed: false,
8573 goal: SelectionGoal::None,
8574 }]);
8575 });
8576 }
8577 break;
8578 } else {
8579 // Cycle around to the start of the buffer, potentially moving back to the start of
8580 // the currently active diagnostic.
8581 active_primary_range.take();
8582 if direction == Direction::Prev {
8583 if search_start == buffer.len() {
8584 break;
8585 } else {
8586 search_start = buffer.len();
8587 }
8588 } else if search_start == 0 {
8589 break;
8590 } else {
8591 search_start = 0;
8592 }
8593 }
8594 }
8595 }
8596
8597 fn go_to_hunk(&mut self, _: &GoToHunk, cx: &mut ViewContext<Self>) {
8598 let snapshot = self
8599 .display_map
8600 .update(cx, |display_map, cx| display_map.snapshot(cx));
8601 let selection = self.selections.newest::<Point>(cx);
8602
8603 if !self.seek_in_direction(
8604 &snapshot,
8605 selection.head(),
8606 false,
8607 snapshot.buffer_snapshot.git_diff_hunks_in_range(
8608 MultiBufferRow(selection.head().row + 1)..MultiBufferRow::MAX,
8609 ),
8610 cx,
8611 ) {
8612 let wrapped_point = Point::zero();
8613 self.seek_in_direction(
8614 &snapshot,
8615 wrapped_point,
8616 true,
8617 snapshot.buffer_snapshot.git_diff_hunks_in_range(
8618 MultiBufferRow(wrapped_point.row + 1)..MultiBufferRow::MAX,
8619 ),
8620 cx,
8621 );
8622 }
8623 }
8624
8625 fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, cx: &mut ViewContext<Self>) {
8626 let snapshot = self
8627 .display_map
8628 .update(cx, |display_map, cx| display_map.snapshot(cx));
8629 let selection = self.selections.newest::<Point>(cx);
8630
8631 if !self.seek_in_direction(
8632 &snapshot,
8633 selection.head(),
8634 false,
8635 snapshot.buffer_snapshot.git_diff_hunks_in_range_rev(
8636 MultiBufferRow(0)..MultiBufferRow(selection.head().row),
8637 ),
8638 cx,
8639 ) {
8640 let wrapped_point = snapshot.buffer_snapshot.max_point();
8641 self.seek_in_direction(
8642 &snapshot,
8643 wrapped_point,
8644 true,
8645 snapshot.buffer_snapshot.git_diff_hunks_in_range_rev(
8646 MultiBufferRow(0)..MultiBufferRow(wrapped_point.row),
8647 ),
8648 cx,
8649 );
8650 }
8651 }
8652
8653 fn seek_in_direction(
8654 &mut self,
8655 snapshot: &DisplaySnapshot,
8656 initial_point: Point,
8657 is_wrapped: bool,
8658 hunks: impl Iterator<Item = DiffHunk<MultiBufferRow>>,
8659 cx: &mut ViewContext<Editor>,
8660 ) -> bool {
8661 let display_point = initial_point.to_display_point(snapshot);
8662 let mut hunks = hunks
8663 .map(|hunk| diff_hunk_to_display(&hunk, &snapshot))
8664 .filter(|hunk| {
8665 if is_wrapped {
8666 true
8667 } else {
8668 !hunk.contains_display_row(display_point.row())
8669 }
8670 })
8671 .dedup();
8672
8673 if let Some(hunk) = hunks.next() {
8674 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
8675 let row = hunk.start_display_row();
8676 let point = DisplayPoint::new(row, 0);
8677 s.select_display_ranges([point..point]);
8678 });
8679
8680 true
8681 } else {
8682 false
8683 }
8684 }
8685
8686 pub fn go_to_definition(
8687 &mut self,
8688 _: &GoToDefinition,
8689 cx: &mut ViewContext<Self>,
8690 ) -> Task<Result<bool>> {
8691 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, cx)
8692 }
8693
8694 pub fn go_to_implementation(
8695 &mut self,
8696 _: &GoToImplementation,
8697 cx: &mut ViewContext<Self>,
8698 ) -> Task<Result<bool>> {
8699 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, false, cx)
8700 }
8701
8702 pub fn go_to_implementation_split(
8703 &mut self,
8704 _: &GoToImplementationSplit,
8705 cx: &mut ViewContext<Self>,
8706 ) -> Task<Result<bool>> {
8707 self.go_to_definition_of_kind(GotoDefinitionKind::Implementation, true, cx)
8708 }
8709
8710 pub fn go_to_type_definition(
8711 &mut self,
8712 _: &GoToTypeDefinition,
8713 cx: &mut ViewContext<Self>,
8714 ) -> Task<Result<bool>> {
8715 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, cx)
8716 }
8717
8718 pub fn go_to_definition_split(
8719 &mut self,
8720 _: &GoToDefinitionSplit,
8721 cx: &mut ViewContext<Self>,
8722 ) -> Task<Result<bool>> {
8723 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, cx)
8724 }
8725
8726 pub fn go_to_type_definition_split(
8727 &mut self,
8728 _: &GoToTypeDefinitionSplit,
8729 cx: &mut ViewContext<Self>,
8730 ) -> Task<Result<bool>> {
8731 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, cx)
8732 }
8733
8734 fn go_to_definition_of_kind(
8735 &mut self,
8736 kind: GotoDefinitionKind,
8737 split: bool,
8738 cx: &mut ViewContext<Self>,
8739 ) -> Task<Result<bool>> {
8740 let Some(workspace) = self.workspace() else {
8741 return Task::ready(Ok(false));
8742 };
8743 let buffer = self.buffer.read(cx);
8744 let head = self.selections.newest::<usize>(cx).head();
8745 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
8746 text_anchor
8747 } else {
8748 return Task::ready(Ok(false));
8749 };
8750
8751 let project = workspace.read(cx).project().clone();
8752 let definitions = project.update(cx, |project, cx| match kind {
8753 GotoDefinitionKind::Symbol => project.definition(&buffer, head, cx),
8754 GotoDefinitionKind::Type => project.type_definition(&buffer, head, cx),
8755 GotoDefinitionKind::Implementation => project.implementation(&buffer, head, cx),
8756 });
8757
8758 cx.spawn(|editor, mut cx| async move {
8759 let definitions = definitions.await?;
8760 let navigated = editor
8761 .update(&mut cx, |editor, cx| {
8762 editor.navigate_to_hover_links(
8763 Some(kind),
8764 definitions
8765 .into_iter()
8766 .filter(|location| {
8767 hover_links::exclude_link_to_position(&buffer, &head, location, cx)
8768 })
8769 .map(HoverLink::Text)
8770 .collect::<Vec<_>>(),
8771 split,
8772 cx,
8773 )
8774 })?
8775 .await?;
8776 anyhow::Ok(navigated)
8777 })
8778 }
8779
8780 pub fn open_url(&mut self, _: &OpenUrl, cx: &mut ViewContext<Self>) {
8781 let position = self.selections.newest_anchor().head();
8782 let Some((buffer, buffer_position)) =
8783 self.buffer.read(cx).text_anchor_for_position(position, cx)
8784 else {
8785 return;
8786 };
8787
8788 cx.spawn(|editor, mut cx| async move {
8789 if let Some((_, url)) = find_url(&buffer, buffer_position, cx.clone()) {
8790 editor.update(&mut cx, |_, cx| {
8791 cx.open_url(&url);
8792 })
8793 } else {
8794 Ok(())
8795 }
8796 })
8797 .detach();
8798 }
8799
8800 pub(crate) fn navigate_to_hover_links(
8801 &mut self,
8802 kind: Option<GotoDefinitionKind>,
8803 mut definitions: Vec<HoverLink>,
8804 split: bool,
8805 cx: &mut ViewContext<Editor>,
8806 ) -> Task<Result<bool>> {
8807 // If there is one definition, just open it directly
8808 if definitions.len() == 1 {
8809 let definition = definitions.pop().unwrap();
8810 let target_task = match definition {
8811 HoverLink::Text(link) => Task::Ready(Some(Ok(Some(link.target)))),
8812 HoverLink::InlayHint(lsp_location, server_id) => {
8813 self.compute_target_location(lsp_location, server_id, cx)
8814 }
8815 HoverLink::Url(url) => {
8816 cx.open_url(&url);
8817 Task::ready(Ok(None))
8818 }
8819 };
8820 cx.spawn(|editor, mut cx| async move {
8821 let target = target_task.await.context("target resolution task")?;
8822 if let Some(target) = target {
8823 editor.update(&mut cx, |editor, cx| {
8824 let Some(workspace) = editor.workspace() else {
8825 return false;
8826 };
8827 let pane = workspace.read(cx).active_pane().clone();
8828
8829 let range = target.range.to_offset(target.buffer.read(cx));
8830 let range = editor.range_for_match(&range);
8831
8832 /// If select range has more than one line, we
8833 /// just point the cursor to range.start.
8834 fn check_multiline_range(
8835 buffer: &Buffer,
8836 range: Range<usize>,
8837 ) -> Range<usize> {
8838 if buffer.offset_to_point(range.start).row
8839 == buffer.offset_to_point(range.end).row
8840 {
8841 range
8842 } else {
8843 range.start..range.start
8844 }
8845 }
8846
8847 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
8848 let buffer = target.buffer.read(cx);
8849 let range = check_multiline_range(buffer, range);
8850 editor.change_selections(Some(Autoscroll::focused()), cx, |s| {
8851 s.select_ranges([range]);
8852 });
8853 } else {
8854 cx.window_context().defer(move |cx| {
8855 let target_editor: View<Self> =
8856 workspace.update(cx, |workspace, cx| {
8857 let pane = if split {
8858 workspace.adjacent_pane(cx)
8859 } else {
8860 workspace.active_pane().clone()
8861 };
8862
8863 workspace.open_project_item(pane, target.buffer.clone(), cx)
8864 });
8865 target_editor.update(cx, |target_editor, cx| {
8866 // When selecting a definition in a different buffer, disable the nav history
8867 // to avoid creating a history entry at the previous cursor location.
8868 pane.update(cx, |pane, _| pane.disable_history());
8869 let buffer = target.buffer.read(cx);
8870 let range = check_multiline_range(buffer, range);
8871 target_editor.change_selections(
8872 Some(Autoscroll::focused()),
8873 cx,
8874 |s| {
8875 s.select_ranges([range]);
8876 },
8877 );
8878 pane.update(cx, |pane, _| pane.enable_history());
8879 });
8880 });
8881 }
8882 true
8883 })
8884 } else {
8885 Ok(false)
8886 }
8887 })
8888 } else if !definitions.is_empty() {
8889 let replica_id = self.replica_id(cx);
8890 cx.spawn(|editor, mut cx| async move {
8891 let (title, location_tasks, workspace) = editor
8892 .update(&mut cx, |editor, cx| {
8893 let tab_kind = match kind {
8894 Some(GotoDefinitionKind::Implementation) => "Implementations",
8895 _ => "Definitions",
8896 };
8897 let title = definitions
8898 .iter()
8899 .find_map(|definition| match definition {
8900 HoverLink::Text(link) => link.origin.as_ref().map(|origin| {
8901 let buffer = origin.buffer.read(cx);
8902 format!(
8903 "{} for {}",
8904 tab_kind,
8905 buffer
8906 .text_for_range(origin.range.clone())
8907 .collect::<String>()
8908 )
8909 }),
8910 HoverLink::InlayHint(_, _) => None,
8911 HoverLink::Url(_) => None,
8912 })
8913 .unwrap_or(tab_kind.to_string());
8914 let location_tasks = definitions
8915 .into_iter()
8916 .map(|definition| match definition {
8917 HoverLink::Text(link) => Task::Ready(Some(Ok(Some(link.target)))),
8918 HoverLink::InlayHint(lsp_location, server_id) => {
8919 editor.compute_target_location(lsp_location, server_id, cx)
8920 }
8921 HoverLink::Url(_) => Task::ready(Ok(None)),
8922 })
8923 .collect::<Vec<_>>();
8924 (title, location_tasks, editor.workspace().clone())
8925 })
8926 .context("location tasks preparation")?;
8927
8928 let locations = futures::future::join_all(location_tasks)
8929 .await
8930 .into_iter()
8931 .filter_map(|location| location.transpose())
8932 .collect::<Result<_>>()
8933 .context("location tasks")?;
8934
8935 let Some(workspace) = workspace else {
8936 return Ok(false);
8937 };
8938 let opened = workspace
8939 .update(&mut cx, |workspace, cx| {
8940 Self::open_locations_in_multibuffer(
8941 workspace, locations, replica_id, title, split, cx,
8942 )
8943 })
8944 .ok();
8945
8946 anyhow::Ok(opened.is_some())
8947 })
8948 } else {
8949 Task::ready(Ok(false))
8950 }
8951 }
8952
8953 fn compute_target_location(
8954 &self,
8955 lsp_location: lsp::Location,
8956 server_id: LanguageServerId,
8957 cx: &mut ViewContext<Editor>,
8958 ) -> Task<anyhow::Result<Option<Location>>> {
8959 let Some(project) = self.project.clone() else {
8960 return Task::Ready(Some(Ok(None)));
8961 };
8962
8963 cx.spawn(move |editor, mut cx| async move {
8964 let location_task = editor.update(&mut cx, |editor, cx| {
8965 project.update(cx, |project, cx| {
8966 let language_server_name =
8967 editor.buffer.read(cx).as_singleton().and_then(|buffer| {
8968 project
8969 .language_server_for_buffer(buffer.read(cx), server_id, cx)
8970 .map(|(lsp_adapter, _)| lsp_adapter.name.clone())
8971 });
8972 language_server_name.map(|language_server_name| {
8973 project.open_local_buffer_via_lsp(
8974 lsp::Uri::from(lsp_location.uri.clone()),
8975 server_id,
8976 language_server_name,
8977 cx,
8978 )
8979 })
8980 })
8981 })?;
8982 let location = match location_task {
8983 Some(task) => Some({
8984 let target_buffer_handle = task.await.context("open local buffer")?;
8985 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
8986 let target_start = target_buffer
8987 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
8988 let target_end = target_buffer
8989 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
8990 target_buffer.anchor_after(target_start)
8991 ..target_buffer.anchor_before(target_end)
8992 })?;
8993 Location {
8994 buffer: target_buffer_handle,
8995 range,
8996 }
8997 }),
8998 None => None,
8999 };
9000 Ok(location)
9001 })
9002 }
9003
9004 pub fn find_all_references(
9005 &mut self,
9006 _: &FindAllReferences,
9007 cx: &mut ViewContext<Self>,
9008 ) -> Option<Task<Result<()>>> {
9009 let multi_buffer = self.buffer.read(cx);
9010 let selection = self.selections.newest::<usize>(cx);
9011 let head = selection.head();
9012
9013 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
9014 let head_anchor = multi_buffer_snapshot.anchor_at(
9015 head,
9016 if head < selection.tail() {
9017 Bias::Right
9018 } else {
9019 Bias::Left
9020 },
9021 );
9022
9023 match self
9024 .find_all_references_task_sources
9025 .binary_search_by(|anchor| anchor.cmp(&head_anchor, &multi_buffer_snapshot))
9026 {
9027 Ok(_) => {
9028 log::info!(
9029 "Ignoring repeated FindAllReferences invocation with the position of already running task"
9030 );
9031 return None;
9032 }
9033 Err(i) => {
9034 self.find_all_references_task_sources.insert(i, head_anchor);
9035 }
9036 }
9037
9038 let (buffer, head) = multi_buffer.text_anchor_for_position(head, cx)?;
9039 let replica_id = self.replica_id(cx);
9040 let workspace = self.workspace()?;
9041 let project = workspace.read(cx).project().clone();
9042 let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
9043 Some(cx.spawn(|editor, mut cx| async move {
9044 let _cleanup = defer({
9045 let mut cx = cx.clone();
9046 move || {
9047 let _ = editor.update(&mut cx, |editor, _| {
9048 if let Ok(i) =
9049 editor
9050 .find_all_references_task_sources
9051 .binary_search_by(|anchor| {
9052 anchor.cmp(&head_anchor, &multi_buffer_snapshot)
9053 })
9054 {
9055 editor.find_all_references_task_sources.remove(i);
9056 }
9057 });
9058 }
9059 });
9060
9061 let locations = references.await?;
9062 if locations.is_empty() {
9063 return anyhow::Ok(());
9064 }
9065
9066 workspace.update(&mut cx, |workspace, cx| {
9067 let title = locations
9068 .first()
9069 .as_ref()
9070 .map(|location| {
9071 let buffer = location.buffer.read(cx);
9072 format!(
9073 "References to `{}`",
9074 buffer
9075 .text_for_range(location.range.clone())
9076 .collect::<String>()
9077 )
9078 })
9079 .unwrap();
9080 Self::open_locations_in_multibuffer(
9081 workspace, locations, replica_id, title, false, cx,
9082 );
9083 })
9084 }))
9085 }
9086
9087 /// Opens a multibuffer with the given project locations in it
9088 pub fn open_locations_in_multibuffer(
9089 workspace: &mut Workspace,
9090 mut locations: Vec<Location>,
9091 replica_id: ReplicaId,
9092 title: String,
9093 split: bool,
9094 cx: &mut ViewContext<Workspace>,
9095 ) {
9096 // If there are multiple definitions, open them in a multibuffer
9097 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
9098 let mut locations = locations.into_iter().peekable();
9099 let mut ranges_to_highlight = Vec::new();
9100 let capability = workspace.project().read(cx).capability();
9101
9102 let excerpt_buffer = cx.new_model(|cx| {
9103 let mut multibuffer = MultiBuffer::new(replica_id, capability);
9104 while let Some(location) = locations.next() {
9105 let buffer = location.buffer.read(cx);
9106 let mut ranges_for_buffer = Vec::new();
9107 let range = location.range.to_offset(buffer);
9108 ranges_for_buffer.push(range.clone());
9109
9110 while let Some(next_location) = locations.peek() {
9111 if next_location.buffer == location.buffer {
9112 ranges_for_buffer.push(next_location.range.to_offset(buffer));
9113 locations.next();
9114 } else {
9115 break;
9116 }
9117 }
9118
9119 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
9120 ranges_to_highlight.extend(multibuffer.push_excerpts_with_context_lines(
9121 location.buffer.clone(),
9122 ranges_for_buffer,
9123 DEFAULT_MULTIBUFFER_CONTEXT,
9124 cx,
9125 ))
9126 }
9127
9128 multibuffer.with_title(title)
9129 });
9130
9131 let editor = cx.new_view(|cx| {
9132 Editor::for_multibuffer(excerpt_buffer, Some(workspace.project().clone()), true, cx)
9133 });
9134 editor.update(cx, |editor, cx| {
9135 editor.highlight_background::<Self>(
9136 &ranges_to_highlight,
9137 |theme| theme.editor_highlighted_line_background,
9138 cx,
9139 );
9140 });
9141
9142 let item = Box::new(editor);
9143 let item_id = item.item_id();
9144
9145 if split {
9146 workspace.split_item(SplitDirection::Right, item.clone(), cx);
9147 } else {
9148 let destination_index = workspace.active_pane().update(cx, |pane, cx| {
9149 if PreviewTabsSettings::get_global(cx).enable_preview_from_code_navigation {
9150 pane.close_current_preview_item(cx)
9151 } else {
9152 None
9153 }
9154 });
9155 workspace.add_item_to_active_pane(item.clone(), destination_index, cx);
9156 }
9157 workspace.active_pane().update(cx, |pane, cx| {
9158 pane.set_preview_item_id(Some(item_id), cx);
9159 });
9160 }
9161
9162 pub fn rename(&mut self, _: &Rename, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
9163 use language::ToOffset as _;
9164
9165 let project = self.project.clone()?;
9166 let selection = self.selections.newest_anchor().clone();
9167 let (cursor_buffer, cursor_buffer_position) = self
9168 .buffer
9169 .read(cx)
9170 .text_anchor_for_position(selection.head(), cx)?;
9171 let (tail_buffer, cursor_buffer_position_end) = self
9172 .buffer
9173 .read(cx)
9174 .text_anchor_for_position(selection.tail(), cx)?;
9175 if tail_buffer != cursor_buffer {
9176 return None;
9177 }
9178
9179 let snapshot = cursor_buffer.read(cx).snapshot();
9180 let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
9181 let cursor_buffer_offset_end = cursor_buffer_position_end.to_offset(&snapshot);
9182 let prepare_rename = project.update(cx, |project, cx| {
9183 project.prepare_rename(cursor_buffer.clone(), cursor_buffer_offset, cx)
9184 });
9185 drop(snapshot);
9186
9187 Some(cx.spawn(|this, mut cx| async move {
9188 let rename_range = if let Some(range) = prepare_rename.await? {
9189 Some(range)
9190 } else {
9191 this.update(&mut cx, |this, cx| {
9192 let buffer = this.buffer.read(cx).snapshot(cx);
9193 let mut buffer_highlights = this
9194 .document_highlights_for_position(selection.head(), &buffer)
9195 .filter(|highlight| {
9196 highlight.start.excerpt_id == selection.head().excerpt_id
9197 && highlight.end.excerpt_id == selection.head().excerpt_id
9198 });
9199 buffer_highlights
9200 .next()
9201 .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
9202 })?
9203 };
9204 if let Some(rename_range) = rename_range {
9205 this.update(&mut cx, |this, cx| {
9206 let snapshot = cursor_buffer.read(cx).snapshot();
9207 let rename_buffer_range = rename_range.to_offset(&snapshot);
9208 let cursor_offset_in_rename_range =
9209 cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
9210 let cursor_offset_in_rename_range_end =
9211 cursor_buffer_offset_end.saturating_sub(rename_buffer_range.start);
9212
9213 this.take_rename(false, cx);
9214 let buffer = this.buffer.read(cx).read(cx);
9215 let cursor_offset = selection.head().to_offset(&buffer);
9216 let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
9217 let rename_end = rename_start + rename_buffer_range.len();
9218 let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
9219 let mut old_highlight_id = None;
9220 let old_name: Arc<str> = buffer
9221 .chunks(rename_start..rename_end, true)
9222 .map(|chunk| {
9223 if old_highlight_id.is_none() {
9224 old_highlight_id = chunk.syntax_highlight_id;
9225 }
9226 chunk.text
9227 })
9228 .collect::<String>()
9229 .into();
9230
9231 drop(buffer);
9232
9233 // Position the selection in the rename editor so that it matches the current selection.
9234 this.show_local_selections = false;
9235 let rename_editor = cx.new_view(|cx| {
9236 let mut editor = Editor::single_line(cx);
9237 editor.buffer.update(cx, |buffer, cx| {
9238 buffer.edit([(0..0, old_name.clone())], None, cx)
9239 });
9240 let rename_selection_range = match cursor_offset_in_rename_range
9241 .cmp(&cursor_offset_in_rename_range_end)
9242 {
9243 Ordering::Equal => {
9244 editor.select_all(&SelectAll, cx);
9245 return editor;
9246 }
9247 Ordering::Less => {
9248 cursor_offset_in_rename_range..cursor_offset_in_rename_range_end
9249 }
9250 Ordering::Greater => {
9251 cursor_offset_in_rename_range_end..cursor_offset_in_rename_range
9252 }
9253 };
9254 if rename_selection_range.end > old_name.len() {
9255 editor.select_all(&SelectAll, cx);
9256 } else {
9257 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
9258 s.select_ranges([rename_selection_range]);
9259 });
9260 }
9261 editor
9262 });
9263
9264 let write_highlights =
9265 this.clear_background_highlights::<DocumentHighlightWrite>(cx);
9266 let read_highlights =
9267 this.clear_background_highlights::<DocumentHighlightRead>(cx);
9268 let ranges = write_highlights
9269 .iter()
9270 .flat_map(|(_, ranges)| ranges.iter())
9271 .chain(read_highlights.iter().flat_map(|(_, ranges)| ranges.iter()))
9272 .cloned()
9273 .collect();
9274
9275 this.highlight_text::<Rename>(
9276 ranges,
9277 HighlightStyle {
9278 fade_out: Some(0.6),
9279 ..Default::default()
9280 },
9281 cx,
9282 );
9283 let rename_focus_handle = rename_editor.focus_handle(cx);
9284 cx.focus(&rename_focus_handle);
9285 let block_id = this.insert_blocks(
9286 [BlockProperties {
9287 style: BlockStyle::Flex,
9288 position: range.start,
9289 height: 1,
9290 render: Box::new({
9291 let rename_editor = rename_editor.clone();
9292 move |cx: &mut BlockContext| {
9293 let mut text_style = cx.editor_style.text.clone();
9294 if let Some(highlight_style) = old_highlight_id
9295 .and_then(|h| h.style(&cx.editor_style.syntax))
9296 {
9297 text_style = text_style.highlight(highlight_style);
9298 }
9299 div()
9300 .pl(cx.anchor_x)
9301 .child(EditorElement::new(
9302 &rename_editor,
9303 EditorStyle {
9304 background: cx.theme().system().transparent,
9305 local_player: cx.editor_style.local_player,
9306 text: text_style,
9307 scrollbar_width: cx.editor_style.scrollbar_width,
9308 syntax: cx.editor_style.syntax.clone(),
9309 status: cx.editor_style.status.clone(),
9310 inlay_hints_style: HighlightStyle {
9311 color: Some(cx.theme().status().hint),
9312 font_weight: Some(FontWeight::BOLD),
9313 ..HighlightStyle::default()
9314 },
9315 suggestions_style: HighlightStyle {
9316 color: Some(cx.theme().status().predictive),
9317 ..HighlightStyle::default()
9318 },
9319 },
9320 ))
9321 .into_any_element()
9322 }
9323 }),
9324 disposition: BlockDisposition::Below,
9325 }],
9326 Some(Autoscroll::fit()),
9327 cx,
9328 )[0];
9329 this.pending_rename = Some(RenameState {
9330 range,
9331 old_name,
9332 editor: rename_editor,
9333 block_id,
9334 });
9335 })?;
9336 }
9337
9338 Ok(())
9339 }))
9340 }
9341
9342 pub fn confirm_rename(
9343 &mut self,
9344 _: &ConfirmRename,
9345 cx: &mut ViewContext<Self>,
9346 ) -> Option<Task<Result<()>>> {
9347 let rename = self.take_rename(false, cx)?;
9348 let workspace = self.workspace()?;
9349 let (start_buffer, start) = self
9350 .buffer
9351 .read(cx)
9352 .text_anchor_for_position(rename.range.start, cx)?;
9353 let (end_buffer, end) = self
9354 .buffer
9355 .read(cx)
9356 .text_anchor_for_position(rename.range.end, cx)?;
9357 if start_buffer != end_buffer {
9358 return None;
9359 }
9360
9361 let buffer = start_buffer;
9362 let range = start..end;
9363 let old_name = rename.old_name;
9364 let new_name = rename.editor.read(cx).text(cx);
9365
9366 let rename = workspace
9367 .read(cx)
9368 .project()
9369 .clone()
9370 .update(cx, |project, cx| {
9371 project.perform_rename(buffer.clone(), range.start, new_name.clone(), true, cx)
9372 });
9373 let workspace = workspace.downgrade();
9374
9375 Some(cx.spawn(|editor, mut cx| async move {
9376 let project_transaction = rename.await?;
9377 Self::open_project_transaction(
9378 &editor,
9379 workspace,
9380 project_transaction,
9381 format!("Rename: {} → {}", old_name, new_name),
9382 cx.clone(),
9383 )
9384 .await?;
9385
9386 editor.update(&mut cx, |editor, cx| {
9387 editor.refresh_document_highlights(cx);
9388 })?;
9389 Ok(())
9390 }))
9391 }
9392
9393 fn take_rename(
9394 &mut self,
9395 moving_cursor: bool,
9396 cx: &mut ViewContext<Self>,
9397 ) -> Option<RenameState> {
9398 let rename = self.pending_rename.take()?;
9399 if rename.editor.focus_handle(cx).is_focused(cx) {
9400 cx.focus(&self.focus_handle);
9401 }
9402
9403 self.remove_blocks(
9404 [rename.block_id].into_iter().collect(),
9405 Some(Autoscroll::fit()),
9406 cx,
9407 );
9408 self.clear_highlights::<Rename>(cx);
9409 self.show_local_selections = true;
9410
9411 if moving_cursor {
9412 let rename_editor = rename.editor.read(cx);
9413 let cursor_in_rename_editor = rename_editor.selections.newest::<usize>(cx).head();
9414
9415 // Update the selection to match the position of the selection inside
9416 // the rename editor.
9417 let snapshot = self.buffer.read(cx).read(cx);
9418 let rename_range = rename.range.to_offset(&snapshot);
9419 let cursor_in_editor = snapshot
9420 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
9421 .min(rename_range.end);
9422 drop(snapshot);
9423
9424 self.change_selections(None, cx, |s| {
9425 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
9426 });
9427 } else {
9428 self.refresh_document_highlights(cx);
9429 }
9430
9431 Some(rename)
9432 }
9433
9434 pub fn pending_rename(&self) -> Option<&RenameState> {
9435 self.pending_rename.as_ref()
9436 }
9437
9438 fn format(&mut self, _: &Format, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
9439 let project = match &self.project {
9440 Some(project) => project.clone(),
9441 None => return None,
9442 };
9443
9444 Some(self.perform_format(project, FormatTrigger::Manual, cx))
9445 }
9446
9447 fn perform_format(
9448 &mut self,
9449 project: Model<Project>,
9450 trigger: FormatTrigger,
9451 cx: &mut ViewContext<Self>,
9452 ) -> Task<Result<()>> {
9453 let buffer = self.buffer().clone();
9454 let mut buffers = buffer.read(cx).all_buffers();
9455 if trigger == FormatTrigger::Save {
9456 buffers.retain(|buffer| buffer.read(cx).is_dirty());
9457 }
9458
9459 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
9460 let format = project.update(cx, |project, cx| project.format(buffers, true, trigger, cx));
9461
9462 cx.spawn(|_, mut cx| async move {
9463 let transaction = futures::select_biased! {
9464 () = timeout => {
9465 log::warn!("timed out waiting for formatting");
9466 None
9467 }
9468 transaction = format.log_err().fuse() => transaction,
9469 };
9470
9471 buffer
9472 .update(&mut cx, |buffer, cx| {
9473 if let Some(transaction) = transaction {
9474 if !buffer.is_singleton() {
9475 buffer.push_transaction(&transaction.0, cx);
9476 }
9477 }
9478
9479 cx.notify();
9480 })
9481 .ok();
9482
9483 Ok(())
9484 })
9485 }
9486
9487 fn restart_language_server(&mut self, _: &RestartLanguageServer, cx: &mut ViewContext<Self>) {
9488 if let Some(project) = self.project.clone() {
9489 self.buffer.update(cx, |multi_buffer, cx| {
9490 project.update(cx, |project, cx| {
9491 project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
9492 });
9493 })
9494 }
9495 }
9496
9497 fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
9498 cx.show_character_palette();
9499 }
9500
9501 fn refresh_active_diagnostics(&mut self, cx: &mut ViewContext<Editor>) {
9502 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
9503 let buffer = self.buffer.read(cx).snapshot(cx);
9504 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
9505 let is_valid = buffer
9506 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone(), false)
9507 .any(|entry| {
9508 entry.diagnostic.is_primary
9509 && !entry.range.is_empty()
9510 && entry.range.start == primary_range_start
9511 && entry.diagnostic.message == active_diagnostics.primary_message
9512 });
9513
9514 if is_valid != active_diagnostics.is_valid {
9515 active_diagnostics.is_valid = is_valid;
9516 let mut new_styles = HashMap::default();
9517 for (block_id, diagnostic) in &active_diagnostics.blocks {
9518 new_styles.insert(
9519 *block_id,
9520 (
9521 None,
9522 diagnostic_block_renderer(diagnostic.clone(), is_valid),
9523 ),
9524 );
9525 }
9526 self.display_map.update(cx, |display_map, cx| {
9527 display_map.replace_blocks(new_styles, cx)
9528 });
9529 }
9530 }
9531 }
9532
9533 fn activate_diagnostics(&mut self, group_id: usize, cx: &mut ViewContext<Self>) -> bool {
9534 self.dismiss_diagnostics(cx);
9535 let snapshot = self.snapshot(cx);
9536 self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
9537 let buffer = self.buffer.read(cx).snapshot(cx);
9538
9539 let mut primary_range = None;
9540 let mut primary_message = None;
9541 let mut group_end = Point::zero();
9542 let diagnostic_group = buffer
9543 .diagnostic_group::<MultiBufferPoint>(group_id)
9544 .filter_map(|entry| {
9545 if snapshot.is_line_folded(MultiBufferRow(entry.range.start.row))
9546 && (entry.range.start.row == entry.range.end.row
9547 || snapshot.is_line_folded(MultiBufferRow(entry.range.end.row)))
9548 {
9549 return None;
9550 }
9551 if entry.range.end > group_end {
9552 group_end = entry.range.end;
9553 }
9554 if entry.diagnostic.is_primary {
9555 primary_range = Some(entry.range.clone());
9556 primary_message = Some(entry.diagnostic.message.clone());
9557 }
9558 Some(entry)
9559 })
9560 .collect::<Vec<_>>();
9561 let primary_range = primary_range?;
9562 let primary_message = primary_message?;
9563 let primary_range =
9564 buffer.anchor_after(primary_range.start)..buffer.anchor_before(primary_range.end);
9565
9566 let blocks = display_map
9567 .insert_blocks(
9568 diagnostic_group.iter().map(|entry| {
9569 let diagnostic = entry.diagnostic.clone();
9570 let message_height = diagnostic.message.matches('\n').count() as u8 + 1;
9571 BlockProperties {
9572 style: BlockStyle::Fixed,
9573 position: buffer.anchor_after(entry.range.start),
9574 height: message_height,
9575 render: diagnostic_block_renderer(diagnostic, true),
9576 disposition: BlockDisposition::Below,
9577 }
9578 }),
9579 cx,
9580 )
9581 .into_iter()
9582 .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
9583 .collect();
9584
9585 Some(ActiveDiagnosticGroup {
9586 primary_range,
9587 primary_message,
9588 group_id,
9589 blocks,
9590 is_valid: true,
9591 })
9592 });
9593 self.active_diagnostics.is_some()
9594 }
9595
9596 fn dismiss_diagnostics(&mut self, cx: &mut ViewContext<Self>) {
9597 if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
9598 self.display_map.update(cx, |display_map, cx| {
9599 display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
9600 });
9601 cx.notify();
9602 }
9603 }
9604
9605 pub fn set_selections_from_remote(
9606 &mut self,
9607 selections: Vec<Selection<Anchor>>,
9608 pending_selection: Option<Selection<Anchor>>,
9609 cx: &mut ViewContext<Self>,
9610 ) {
9611 let old_cursor_position = self.selections.newest_anchor().head();
9612 self.selections.change_with(cx, |s| {
9613 s.select_anchors(selections);
9614 if let Some(pending_selection) = pending_selection {
9615 s.set_pending(pending_selection, SelectMode::Character);
9616 } else {
9617 s.clear_pending();
9618 }
9619 });
9620 self.selections_did_change(false, &old_cursor_position, true, cx);
9621 }
9622
9623 fn push_to_selection_history(&mut self) {
9624 self.selection_history.push(SelectionHistoryEntry {
9625 selections: self.selections.disjoint_anchors(),
9626 select_next_state: self.select_next_state.clone(),
9627 select_prev_state: self.select_prev_state.clone(),
9628 add_selections_state: self.add_selections_state.clone(),
9629 });
9630 }
9631
9632 pub fn transact(
9633 &mut self,
9634 cx: &mut ViewContext<Self>,
9635 update: impl FnOnce(&mut Self, &mut ViewContext<Self>),
9636 ) -> Option<TransactionId> {
9637 self.start_transaction_at(Instant::now(), cx);
9638 update(self, cx);
9639 self.end_transaction_at(Instant::now(), cx)
9640 }
9641
9642 fn start_transaction_at(&mut self, now: Instant, cx: &mut ViewContext<Self>) {
9643 self.end_selection(cx);
9644 if let Some(tx_id) = self
9645 .buffer
9646 .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
9647 {
9648 self.selection_history
9649 .insert_transaction(tx_id, self.selections.disjoint_anchors());
9650 cx.emit(EditorEvent::TransactionBegun {
9651 transaction_id: tx_id,
9652 })
9653 }
9654 }
9655
9656 fn end_transaction_at(
9657 &mut self,
9658 now: Instant,
9659 cx: &mut ViewContext<Self>,
9660 ) -> Option<TransactionId> {
9661 if let Some(transaction_id) = self
9662 .buffer
9663 .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
9664 {
9665 if let Some((_, end_selections)) =
9666 self.selection_history.transaction_mut(transaction_id)
9667 {
9668 *end_selections = Some(self.selections.disjoint_anchors());
9669 } else {
9670 log::error!("unexpectedly ended a transaction that wasn't started by this editor");
9671 }
9672
9673 cx.emit(EditorEvent::Edited { transaction_id });
9674 Some(transaction_id)
9675 } else {
9676 None
9677 }
9678 }
9679
9680 pub fn fold(&mut self, _: &actions::Fold, cx: &mut ViewContext<Self>) {
9681 let mut fold_ranges = Vec::new();
9682
9683 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9684
9685 let selections = self.selections.all_adjusted(cx);
9686 for selection in selections {
9687 let range = selection.range().sorted();
9688 let buffer_start_row = range.start.row;
9689
9690 for row in (0..=range.end.row).rev() {
9691 if let Some((foldable_range, fold_text)) =
9692 display_map.foldable_range(MultiBufferRow(row))
9693 {
9694 if foldable_range.end.row >= buffer_start_row {
9695 fold_ranges.push((foldable_range, fold_text));
9696 if row <= range.start.row {
9697 break;
9698 }
9699 }
9700 }
9701 }
9702 }
9703
9704 self.fold_ranges(fold_ranges, true, cx);
9705 }
9706
9707 pub fn fold_at(&mut self, fold_at: &FoldAt, cx: &mut ViewContext<Self>) {
9708 let buffer_row = fold_at.buffer_row;
9709 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9710
9711 if let Some((fold_range, placeholder)) = display_map.foldable_range(buffer_row) {
9712 let autoscroll = self
9713 .selections
9714 .all::<Point>(cx)
9715 .iter()
9716 .any(|selection| fold_range.overlaps(&selection.range()));
9717
9718 self.fold_ranges([(fold_range, placeholder)], autoscroll, cx);
9719 }
9720 }
9721
9722 pub fn unfold_lines(&mut self, _: &UnfoldLines, cx: &mut ViewContext<Self>) {
9723 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9724 let buffer = &display_map.buffer_snapshot;
9725 let selections = self.selections.all::<Point>(cx);
9726 let ranges = selections
9727 .iter()
9728 .map(|s| {
9729 let range = s.display_range(&display_map).sorted();
9730 let mut start = range.start.to_point(&display_map);
9731 let mut end = range.end.to_point(&display_map);
9732 start.column = 0;
9733 end.column = buffer.line_len(MultiBufferRow(end.row));
9734 start..end
9735 })
9736 .collect::<Vec<_>>();
9737
9738 self.unfold_ranges(ranges, true, true, cx);
9739 }
9740
9741 pub fn unfold_at(&mut self, unfold_at: &UnfoldAt, cx: &mut ViewContext<Self>) {
9742 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9743
9744 let intersection_range = Point::new(unfold_at.buffer_row.0, 0)
9745 ..Point::new(
9746 unfold_at.buffer_row.0,
9747 display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
9748 );
9749
9750 let autoscroll = self
9751 .selections
9752 .all::<Point>(cx)
9753 .iter()
9754 .any(|selection| selection.range().overlaps(&intersection_range));
9755
9756 self.unfold_ranges(std::iter::once(intersection_range), true, autoscroll, cx)
9757 }
9758
9759 pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
9760 let selections = self.selections.all::<Point>(cx);
9761 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
9762 let line_mode = self.selections.line_mode;
9763 let ranges = selections.into_iter().map(|s| {
9764 if line_mode {
9765 let start = Point::new(s.start.row, 0);
9766 let end = Point::new(
9767 s.end.row,
9768 display_map
9769 .buffer_snapshot
9770 .line_len(MultiBufferRow(s.end.row)),
9771 );
9772 (start..end, display_map.fold_placeholder.clone())
9773 } else {
9774 (s.start..s.end, display_map.fold_placeholder.clone())
9775 }
9776 });
9777 self.fold_ranges(ranges, true, cx);
9778 }
9779
9780 pub fn fold_ranges<T: ToOffset + Clone>(
9781 &mut self,
9782 ranges: impl IntoIterator<Item = (Range<T>, FoldPlaceholder)>,
9783 auto_scroll: bool,
9784 cx: &mut ViewContext<Self>,
9785 ) {
9786 let mut fold_ranges = Vec::new();
9787 let mut buffers_affected = HashMap::default();
9788 let multi_buffer = self.buffer().read(cx);
9789 for (fold_range, fold_text) in ranges {
9790 if let Some((_, buffer, _)) =
9791 multi_buffer.excerpt_containing(fold_range.start.clone(), cx)
9792 {
9793 buffers_affected.insert(buffer.read(cx).remote_id(), buffer);
9794 };
9795 fold_ranges.push((fold_range, fold_text));
9796 }
9797
9798 let mut ranges = fold_ranges.into_iter().peekable();
9799 if ranges.peek().is_some() {
9800 self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
9801
9802 if auto_scroll {
9803 self.request_autoscroll(Autoscroll::fit(), cx);
9804 }
9805
9806 for buffer in buffers_affected.into_values() {
9807 self.sync_expanded_diff_hunks(buffer, cx);
9808 }
9809
9810 cx.notify();
9811
9812 if let Some(active_diagnostics) = self.active_diagnostics.take() {
9813 // Clear diagnostics block when folding a range that contains it.
9814 let snapshot = self.snapshot(cx);
9815 if snapshot.intersects_fold(active_diagnostics.primary_range.start) {
9816 drop(snapshot);
9817 self.active_diagnostics = Some(active_diagnostics);
9818 self.dismiss_diagnostics(cx);
9819 } else {
9820 self.active_diagnostics = Some(active_diagnostics);
9821 }
9822 }
9823
9824 self.scrollbar_marker_state.dirty = true;
9825 }
9826 }
9827
9828 pub fn unfold_ranges<T: ToOffset + Clone>(
9829 &mut self,
9830 ranges: impl IntoIterator<Item = Range<T>>,
9831 inclusive: bool,
9832 auto_scroll: bool,
9833 cx: &mut ViewContext<Self>,
9834 ) {
9835 let mut unfold_ranges = Vec::new();
9836 let mut buffers_affected = HashMap::default();
9837 let multi_buffer = self.buffer().read(cx);
9838 for range in ranges {
9839 if let Some((_, buffer, _)) = multi_buffer.excerpt_containing(range.start.clone(), cx) {
9840 buffers_affected.insert(buffer.read(cx).remote_id(), buffer);
9841 };
9842 unfold_ranges.push(range);
9843 }
9844
9845 let mut ranges = unfold_ranges.into_iter().peekable();
9846 if ranges.peek().is_some() {
9847 self.display_map
9848 .update(cx, |map, cx| map.unfold(ranges, inclusive, cx));
9849 if auto_scroll {
9850 self.request_autoscroll(Autoscroll::fit(), cx);
9851 }
9852
9853 for buffer in buffers_affected.into_values() {
9854 self.sync_expanded_diff_hunks(buffer, cx);
9855 }
9856
9857 cx.notify();
9858 self.scrollbar_marker_state.dirty = true;
9859 self.active_indent_guides_state.dirty = true;
9860 }
9861 }
9862
9863 pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut ViewContext<Self>) {
9864 if hovered != self.gutter_hovered {
9865 self.gutter_hovered = hovered;
9866 cx.notify();
9867 }
9868 }
9869
9870 pub fn insert_blocks(
9871 &mut self,
9872 blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
9873 autoscroll: Option<Autoscroll>,
9874 cx: &mut ViewContext<Self>,
9875 ) -> Vec<BlockId> {
9876 let blocks = self
9877 .display_map
9878 .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
9879 if let Some(autoscroll) = autoscroll {
9880 self.request_autoscroll(autoscroll, cx);
9881 }
9882 blocks
9883 }
9884
9885 pub fn replace_blocks(
9886 &mut self,
9887 blocks: HashMap<BlockId, (Option<u8>, RenderBlock)>,
9888 autoscroll: Option<Autoscroll>,
9889 cx: &mut ViewContext<Self>,
9890 ) {
9891 self.display_map
9892 .update(cx, |display_map, cx| display_map.replace_blocks(blocks, cx));
9893 if let Some(autoscroll) = autoscroll {
9894 self.request_autoscroll(autoscroll, cx);
9895 }
9896 }
9897
9898 pub fn remove_blocks(
9899 &mut self,
9900 block_ids: HashSet<BlockId>,
9901 autoscroll: Option<Autoscroll>,
9902 cx: &mut ViewContext<Self>,
9903 ) {
9904 self.display_map.update(cx, |display_map, cx| {
9905 display_map.remove_blocks(block_ids, cx)
9906 });
9907 if let Some(autoscroll) = autoscroll {
9908 self.request_autoscroll(autoscroll, cx);
9909 }
9910 }
9911
9912 pub fn insert_creases(
9913 &mut self,
9914 creases: impl IntoIterator<Item = Crease>,
9915 cx: &mut ViewContext<Self>,
9916 ) -> Vec<CreaseId> {
9917 self.display_map
9918 .update(cx, |map, cx| map.insert_creases(creases, cx))
9919 }
9920
9921 pub fn remove_creases(
9922 &mut self,
9923 ids: impl IntoIterator<Item = CreaseId>,
9924 cx: &mut ViewContext<Self>,
9925 ) {
9926 self.display_map
9927 .update(cx, |map, cx| map.remove_creases(ids, cx));
9928 }
9929
9930 pub fn longest_row(&self, cx: &mut AppContext) -> DisplayRow {
9931 self.display_map
9932 .update(cx, |map, cx| map.snapshot(cx))
9933 .longest_row()
9934 }
9935
9936 pub fn max_point(&self, cx: &mut AppContext) -> DisplayPoint {
9937 self.display_map
9938 .update(cx, |map, cx| map.snapshot(cx))
9939 .max_point()
9940 }
9941
9942 pub fn text(&self, cx: &AppContext) -> String {
9943 self.buffer.read(cx).read(cx).text()
9944 }
9945
9946 pub fn text_option(&self, cx: &AppContext) -> Option<String> {
9947 let text = self.text(cx);
9948 let text = text.trim();
9949
9950 if text.is_empty() {
9951 return None;
9952 }
9953
9954 Some(text.to_string())
9955 }
9956
9957 pub fn set_text(&mut self, text: impl Into<Arc<str>>, cx: &mut ViewContext<Self>) {
9958 self.transact(cx, |this, cx| {
9959 this.buffer
9960 .read(cx)
9961 .as_singleton()
9962 .expect("you can only call set_text on editors for singleton buffers")
9963 .update(cx, |buffer, cx| buffer.set_text(text, cx));
9964 });
9965 }
9966
9967 pub fn display_text(&self, cx: &mut AppContext) -> String {
9968 self.display_map
9969 .update(cx, |map, cx| map.snapshot(cx))
9970 .text()
9971 }
9972
9973 pub fn wrap_guides(&self, cx: &AppContext) -> SmallVec<[(usize, bool); 2]> {
9974 let mut wrap_guides = smallvec::smallvec![];
9975
9976 if self.show_wrap_guides == Some(false) {
9977 return wrap_guides;
9978 }
9979
9980 let settings = self.buffer.read(cx).settings_at(0, cx);
9981 if settings.show_wrap_guides {
9982 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
9983 wrap_guides.push((soft_wrap as usize, true));
9984 }
9985 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
9986 }
9987
9988 wrap_guides
9989 }
9990
9991 pub fn soft_wrap_mode(&self, cx: &AppContext) -> SoftWrap {
9992 let settings = self.buffer.read(cx).settings_at(0, cx);
9993 let mode = self
9994 .soft_wrap_mode_override
9995 .unwrap_or_else(|| settings.soft_wrap);
9996 match mode {
9997 language_settings::SoftWrap::None => SoftWrap::None,
9998 language_settings::SoftWrap::PreferLine => SoftWrap::PreferLine,
9999 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
10000 language_settings::SoftWrap::PreferredLineLength => {
10001 SoftWrap::Column(settings.preferred_line_length)
10002 }
10003 }
10004 }
10005
10006 pub fn set_soft_wrap_mode(
10007 &mut self,
10008 mode: language_settings::SoftWrap,
10009 cx: &mut ViewContext<Self>,
10010 ) {
10011 self.soft_wrap_mode_override = Some(mode);
10012 cx.notify();
10013 }
10014
10015 pub fn set_style(&mut self, style: EditorStyle, cx: &mut ViewContext<Self>) {
10016 let rem_size = cx.rem_size();
10017 self.display_map.update(cx, |map, cx| {
10018 map.set_font(
10019 style.text.font(),
10020 style.text.font_size.to_pixels(rem_size),
10021 cx,
10022 )
10023 });
10024 self.style = Some(style);
10025 }
10026
10027 pub fn style(&self) -> Option<&EditorStyle> {
10028 self.style.as_ref()
10029 }
10030
10031 // Called by the element. This method is not designed to be called outside of the editor
10032 // element's layout code because it does not notify when rewrapping is computed synchronously.
10033 pub(crate) fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut AppContext) -> bool {
10034 self.display_map
10035 .update(cx, |map, cx| map.set_wrap_width(width, cx))
10036 }
10037
10038 pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, cx: &mut ViewContext<Self>) {
10039 if self.soft_wrap_mode_override.is_some() {
10040 self.soft_wrap_mode_override.take();
10041 } else {
10042 let soft_wrap = match self.soft_wrap_mode(cx) {
10043 SoftWrap::None | SoftWrap::PreferLine => language_settings::SoftWrap::EditorWidth,
10044 SoftWrap::EditorWidth | SoftWrap::Column(_) => {
10045 language_settings::SoftWrap::PreferLine
10046 }
10047 };
10048 self.soft_wrap_mode_override = Some(soft_wrap);
10049 }
10050 cx.notify();
10051 }
10052
10053 pub fn toggle_tab_bar(&mut self, _: &ToggleTabBar, cx: &mut ViewContext<Self>) {
10054 let Some(workspace) = self.workspace() else {
10055 return;
10056 };
10057 let fs = workspace.read(cx).app_state().fs.clone();
10058 let current_show = TabBarSettings::get_global(cx).show;
10059 update_settings_file::<TabBarSettings>(fs, cx, move |setting| {
10060 setting.show = Some(!current_show);
10061 });
10062 }
10063
10064 pub fn toggle_indent_guides(&mut self, _: &ToggleIndentGuides, cx: &mut ViewContext<Self>) {
10065 let currently_enabled = self.should_show_indent_guides().unwrap_or_else(|| {
10066 self.buffer
10067 .read(cx)
10068 .settings_at(0, cx)
10069 .indent_guides
10070 .enabled
10071 });
10072 self.show_indent_guides = Some(!currently_enabled);
10073 cx.notify();
10074 }
10075
10076 fn should_show_indent_guides(&self) -> Option<bool> {
10077 self.show_indent_guides
10078 }
10079
10080 pub fn toggle_line_numbers(&mut self, _: &ToggleLineNumbers, cx: &mut ViewContext<Self>) {
10081 let mut editor_settings = EditorSettings::get_global(cx).clone();
10082 editor_settings.gutter.line_numbers = !editor_settings.gutter.line_numbers;
10083 EditorSettings::override_global(editor_settings, cx);
10084 }
10085
10086 pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
10087 self.show_gutter = show_gutter;
10088 cx.notify();
10089 }
10090
10091 pub fn set_show_line_numbers(&mut self, show_line_numbers: bool, cx: &mut ViewContext<Self>) {
10092 self.show_line_numbers = Some(show_line_numbers);
10093 cx.notify();
10094 }
10095
10096 pub fn set_show_git_diff_gutter(
10097 &mut self,
10098 show_git_diff_gutter: bool,
10099 cx: &mut ViewContext<Self>,
10100 ) {
10101 self.show_git_diff_gutter = Some(show_git_diff_gutter);
10102 cx.notify();
10103 }
10104
10105 pub fn set_show_code_actions(&mut self, show_code_actions: bool, cx: &mut ViewContext<Self>) {
10106 self.show_code_actions = Some(show_code_actions);
10107 cx.notify();
10108 }
10109
10110 pub fn set_show_wrap_guides(&mut self, show_wrap_guides: bool, cx: &mut ViewContext<Self>) {
10111 self.show_wrap_guides = Some(show_wrap_guides);
10112 cx.notify();
10113 }
10114
10115 pub fn set_show_indent_guides(&mut self, show_indent_guides: bool, cx: &mut ViewContext<Self>) {
10116 self.show_indent_guides = Some(show_indent_guides);
10117 cx.notify();
10118 }
10119
10120 pub fn reveal_in_finder(&mut self, _: &RevealInFinder, cx: &mut ViewContext<Self>) {
10121 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
10122 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
10123 cx.reveal_path(&file.abs_path(cx));
10124 }
10125 }
10126 }
10127
10128 pub fn copy_path(&mut self, _: &CopyPath, cx: &mut ViewContext<Self>) {
10129 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
10130 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
10131 if let Some(path) = file.abs_path(cx).to_str() {
10132 cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
10133 }
10134 }
10135 }
10136 }
10137
10138 pub fn copy_relative_path(&mut self, _: &CopyRelativePath, cx: &mut ViewContext<Self>) {
10139 if let Some(buffer) = self.buffer().read(cx).as_singleton() {
10140 if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
10141 if let Some(path) = file.path().to_str() {
10142 cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
10143 }
10144 }
10145 }
10146 }
10147
10148 pub fn toggle_git_blame(&mut self, _: &ToggleGitBlame, cx: &mut ViewContext<Self>) {
10149 self.show_git_blame_gutter = !self.show_git_blame_gutter;
10150
10151 if self.show_git_blame_gutter && !self.has_blame_entries(cx) {
10152 self.start_git_blame(true, cx);
10153 }
10154
10155 cx.notify();
10156 }
10157
10158 pub fn toggle_git_blame_inline(
10159 &mut self,
10160 _: &ToggleGitBlameInline,
10161 cx: &mut ViewContext<Self>,
10162 ) {
10163 self.toggle_git_blame_inline_internal(true, cx);
10164 cx.notify();
10165 }
10166
10167 pub fn git_blame_inline_enabled(&self) -> bool {
10168 self.git_blame_inline_enabled
10169 }
10170
10171 fn start_git_blame(&mut self, user_triggered: bool, cx: &mut ViewContext<Self>) {
10172 if let Some(project) = self.project.as_ref() {
10173 let Some(buffer) = self.buffer().read(cx).as_singleton() else {
10174 return;
10175 };
10176
10177 if buffer.read(cx).file().is_none() {
10178 return;
10179 }
10180
10181 let focused = self.focus_handle(cx).contains_focused(cx);
10182
10183 let project = project.clone();
10184 let blame =
10185 cx.new_model(|cx| GitBlame::new(buffer, project, user_triggered, focused, cx));
10186 self.blame_subscription = Some(cx.observe(&blame, |_, _, cx| cx.notify()));
10187 self.blame = Some(blame);
10188 }
10189 }
10190
10191 fn toggle_git_blame_inline_internal(
10192 &mut self,
10193 user_triggered: bool,
10194 cx: &mut ViewContext<Self>,
10195 ) {
10196 if self.git_blame_inline_enabled {
10197 self.git_blame_inline_enabled = false;
10198 self.show_git_blame_inline = false;
10199 self.show_git_blame_inline_delay_task.take();
10200 } else {
10201 self.git_blame_inline_enabled = true;
10202 self.start_git_blame_inline(user_triggered, cx);
10203 }
10204
10205 cx.notify();
10206 }
10207
10208 fn start_git_blame_inline(&mut self, user_triggered: bool, cx: &mut ViewContext<Self>) {
10209 self.start_git_blame(user_triggered, cx);
10210
10211 if ProjectSettings::get_global(cx)
10212 .git
10213 .inline_blame_delay()
10214 .is_some()
10215 {
10216 self.start_inline_blame_timer(cx);
10217 } else {
10218 self.show_git_blame_inline = true
10219 }
10220 }
10221
10222 pub fn blame(&self) -> Option<&Model<GitBlame>> {
10223 self.blame.as_ref()
10224 }
10225
10226 pub fn render_git_blame_gutter(&mut self, cx: &mut WindowContext) -> bool {
10227 self.show_git_blame_gutter && self.has_blame_entries(cx)
10228 }
10229
10230 pub fn render_git_blame_inline(&mut self, cx: &mut WindowContext) -> bool {
10231 self.show_git_blame_inline
10232 && self.focus_handle.is_focused(cx)
10233 && !self.newest_selection_head_on_empty_line(cx)
10234 && self.has_blame_entries(cx)
10235 }
10236
10237 fn has_blame_entries(&self, cx: &mut WindowContext) -> bool {
10238 self.blame()
10239 .map_or(false, |blame| blame.read(cx).has_generated_entries())
10240 }
10241
10242 fn newest_selection_head_on_empty_line(&mut self, cx: &mut WindowContext) -> bool {
10243 let cursor_anchor = self.selections.newest_anchor().head();
10244
10245 let snapshot = self.buffer.read(cx).snapshot(cx);
10246 let buffer_row = MultiBufferRow(cursor_anchor.to_point(&snapshot).row);
10247
10248 snapshot.line_len(buffer_row) == 0
10249 }
10250
10251 fn get_permalink_to_line(&mut self, cx: &mut ViewContext<Self>) -> Result<url::Url> {
10252 let (path, selection, repo) = maybe!({
10253 let project_handle = self.project.as_ref()?.clone();
10254 let project = project_handle.read(cx);
10255
10256 let selection = self.selections.newest::<Point>(cx);
10257 let selection_range = selection.range();
10258
10259 let (buffer, selection) = if let Some(buffer) = self.buffer().read(cx).as_singleton() {
10260 (buffer, selection_range.start.row..selection_range.end.row)
10261 } else {
10262 let buffer_ranges = self
10263 .buffer()
10264 .read(cx)
10265 .range_to_buffer_ranges(selection_range, cx);
10266
10267 let (buffer, range, _) = if selection.reversed {
10268 buffer_ranges.first()
10269 } else {
10270 buffer_ranges.last()
10271 }?;
10272
10273 let snapshot = buffer.read(cx).snapshot();
10274 let selection = text::ToPoint::to_point(&range.start, &snapshot).row
10275 ..text::ToPoint::to_point(&range.end, &snapshot).row;
10276 (buffer.clone(), selection)
10277 };
10278
10279 let path = buffer
10280 .read(cx)
10281 .file()?
10282 .as_local()?
10283 .path()
10284 .to_str()?
10285 .to_string();
10286 let repo = project.get_repo(&buffer.read(cx).project_path(cx)?, cx)?;
10287 Some((path, selection, repo))
10288 })
10289 .ok_or_else(|| anyhow!("unable to open git repository"))?;
10290
10291 const REMOTE_NAME: &str = "origin";
10292 let origin_url = repo
10293 .remote_url(REMOTE_NAME)
10294 .ok_or_else(|| anyhow!("remote \"{REMOTE_NAME}\" not found"))?;
10295 let sha = repo
10296 .head_sha()
10297 .ok_or_else(|| anyhow!("failed to read HEAD SHA"))?;
10298
10299 let (provider, remote) =
10300 parse_git_remote_url(GitHostingProviderRegistry::default_global(cx), &origin_url)
10301 .ok_or_else(|| anyhow!("failed to parse Git remote URL"))?;
10302
10303 Ok(provider.build_permalink(
10304 remote,
10305 BuildPermalinkParams {
10306 sha: &sha,
10307 path: &path,
10308 selection: Some(selection),
10309 },
10310 ))
10311 }
10312
10313 pub fn copy_permalink_to_line(&mut self, _: &CopyPermalinkToLine, cx: &mut ViewContext<Self>) {
10314 let permalink = self.get_permalink_to_line(cx);
10315
10316 match permalink {
10317 Ok(permalink) => {
10318 cx.write_to_clipboard(ClipboardItem::new(permalink.to_string()));
10319 }
10320 Err(err) => {
10321 let message = format!("Failed to copy permalink: {err}");
10322
10323 Err::<(), anyhow::Error>(err).log_err();
10324
10325 if let Some(workspace) = self.workspace() {
10326 workspace.update(cx, |workspace, cx| {
10327 struct CopyPermalinkToLine;
10328
10329 workspace.show_toast(
10330 Toast::new(NotificationId::unique::<CopyPermalinkToLine>(), message),
10331 cx,
10332 )
10333 })
10334 }
10335 }
10336 }
10337 }
10338
10339 pub fn open_permalink_to_line(&mut self, _: &OpenPermalinkToLine, cx: &mut ViewContext<Self>) {
10340 let permalink = self.get_permalink_to_line(cx);
10341
10342 match permalink {
10343 Ok(permalink) => {
10344 cx.open_url(permalink.as_ref());
10345 }
10346 Err(err) => {
10347 let message = format!("Failed to open permalink: {err}");
10348
10349 Err::<(), anyhow::Error>(err).log_err();
10350
10351 if let Some(workspace) = self.workspace() {
10352 workspace.update(cx, |workspace, cx| {
10353 struct OpenPermalinkToLine;
10354
10355 workspace.show_toast(
10356 Toast::new(NotificationId::unique::<OpenPermalinkToLine>(), message),
10357 cx,
10358 )
10359 })
10360 }
10361 }
10362 }
10363 }
10364
10365 /// Adds or removes (on `None` color) a highlight for the rows corresponding to the anchor range given.
10366 /// On matching anchor range, replaces the old highlight; does not clear the other existing highlights.
10367 /// If multiple anchor ranges will produce highlights for the same row, the last range added will be used.
10368 pub fn highlight_rows<T: 'static>(
10369 &mut self,
10370 rows: RangeInclusive<Anchor>,
10371 color: Option<Hsla>,
10372 should_autoscroll: bool,
10373 cx: &mut ViewContext<Self>,
10374 ) {
10375 let snapshot = self.buffer().read(cx).snapshot(cx);
10376 let row_highlights = self.highlighted_rows.entry(TypeId::of::<T>()).or_default();
10377 let existing_highlight_index = row_highlights.binary_search_by(|highlight| {
10378 highlight
10379 .range
10380 .start()
10381 .cmp(&rows.start(), &snapshot)
10382 .then(highlight.range.end().cmp(&rows.end(), &snapshot))
10383 });
10384 match (color, existing_highlight_index) {
10385 (Some(_), Ok(ix)) | (_, Err(ix)) => row_highlights.insert(
10386 ix,
10387 RowHighlight {
10388 index: post_inc(&mut self.highlight_order),
10389 range: rows,
10390 should_autoscroll,
10391 color,
10392 },
10393 ),
10394 (None, Ok(i)) => {
10395 row_highlights.remove(i);
10396 }
10397 }
10398 }
10399
10400 /// Clear all anchor ranges for a certain highlight context type, so no corresponding rows will be highlighted.
10401 pub fn clear_row_highlights<T: 'static>(&mut self) {
10402 self.highlighted_rows.remove(&TypeId::of::<T>());
10403 }
10404
10405 /// For a highlight given context type, gets all anchor ranges that will be used for row highlighting.
10406 pub fn highlighted_rows<T: 'static>(
10407 &self,
10408 ) -> Option<impl Iterator<Item = (&RangeInclusive<Anchor>, Option<&Hsla>)>> {
10409 Some(
10410 self.highlighted_rows
10411 .get(&TypeId::of::<T>())?
10412 .iter()
10413 .map(|highlight| (&highlight.range, highlight.color.as_ref())),
10414 )
10415 }
10416
10417 /// Merges all anchor ranges for all context types ever set, picking the last highlight added in case of a row conflict.
10418 /// Rerturns a map of display rows that are highlighted and their corresponding highlight color.
10419 /// Allows to ignore certain kinds of highlights.
10420 pub fn highlighted_display_rows(
10421 &mut self,
10422 cx: &mut WindowContext,
10423 ) -> BTreeMap<DisplayRow, Hsla> {
10424 let snapshot = self.snapshot(cx);
10425 let mut used_highlight_orders = HashMap::default();
10426 self.highlighted_rows
10427 .iter()
10428 .flat_map(|(_, highlighted_rows)| highlighted_rows.iter())
10429 .fold(
10430 BTreeMap::<DisplayRow, Hsla>::new(),
10431 |mut unique_rows, highlight| {
10432 let start_row = highlight.range.start().to_display_point(&snapshot).row();
10433 let end_row = highlight.range.end().to_display_point(&snapshot).row();
10434 for row in start_row.0..=end_row.0 {
10435 let used_index =
10436 used_highlight_orders.entry(row).or_insert(highlight.index);
10437 if highlight.index >= *used_index {
10438 *used_index = highlight.index;
10439 match highlight.color {
10440 Some(hsla) => unique_rows.insert(DisplayRow(row), hsla),
10441 None => unique_rows.remove(&DisplayRow(row)),
10442 };
10443 }
10444 }
10445 unique_rows
10446 },
10447 )
10448 }
10449
10450 pub fn highlighted_display_row_for_autoscroll(
10451 &self,
10452 snapshot: &DisplaySnapshot,
10453 ) -> Option<DisplayRow> {
10454 self.highlighted_rows
10455 .values()
10456 .flat_map(|highlighted_rows| highlighted_rows.iter())
10457 .filter_map(|highlight| {
10458 if highlight.color.is_none() || !highlight.should_autoscroll {
10459 return None;
10460 }
10461 Some(highlight.range.start().to_display_point(&snapshot).row())
10462 })
10463 .min()
10464 }
10465
10466 pub fn set_search_within_ranges(
10467 &mut self,
10468 ranges: &[Range<Anchor>],
10469 cx: &mut ViewContext<Self>,
10470 ) {
10471 self.highlight_background::<SearchWithinRange>(
10472 ranges,
10473 |colors| colors.editor_document_highlight_read_background,
10474 cx,
10475 )
10476 }
10477
10478 pub fn clear_search_within_ranges(&mut self, cx: &mut ViewContext<Self>) {
10479 self.clear_background_highlights::<SearchWithinRange>(cx);
10480 }
10481
10482 pub fn highlight_background<T: 'static>(
10483 &mut self,
10484 ranges: &[Range<Anchor>],
10485 color_fetcher: fn(&ThemeColors) -> Hsla,
10486 cx: &mut ViewContext<Self>,
10487 ) {
10488 let snapshot = self.snapshot(cx);
10489 // this is to try and catch a panic sooner
10490 for range in ranges {
10491 snapshot
10492 .buffer_snapshot
10493 .summary_for_anchor::<usize>(&range.start);
10494 snapshot
10495 .buffer_snapshot
10496 .summary_for_anchor::<usize>(&range.end);
10497 }
10498
10499 self.background_highlights
10500 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
10501 self.scrollbar_marker_state.dirty = true;
10502 cx.notify();
10503 }
10504
10505 pub fn clear_background_highlights<T: 'static>(
10506 &mut self,
10507 cx: &mut ViewContext<Self>,
10508 ) -> Option<BackgroundHighlight> {
10509 let text_highlights = self.background_highlights.remove(&TypeId::of::<T>())?;
10510 if !text_highlights.1.is_empty() {
10511 self.scrollbar_marker_state.dirty = true;
10512 cx.notify();
10513 }
10514 Some(text_highlights)
10515 }
10516
10517 pub fn highlight_gutter<T: 'static>(
10518 &mut self,
10519 ranges: &[Range<Anchor>],
10520 color_fetcher: fn(&AppContext) -> Hsla,
10521 cx: &mut ViewContext<Self>,
10522 ) {
10523 self.gutter_highlights
10524 .insert(TypeId::of::<T>(), (color_fetcher, Arc::from(ranges)));
10525 cx.notify();
10526 }
10527
10528 pub fn clear_gutter_highlights<T: 'static>(
10529 &mut self,
10530 cx: &mut ViewContext<Self>,
10531 ) -> Option<GutterHighlight> {
10532 cx.notify();
10533 self.gutter_highlights.remove(&TypeId::of::<T>())
10534 }
10535
10536 #[cfg(feature = "test-support")]
10537 pub fn all_text_background_highlights(
10538 &mut self,
10539 cx: &mut ViewContext<Self>,
10540 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
10541 let snapshot = self.snapshot(cx);
10542 let buffer = &snapshot.buffer_snapshot;
10543 let start = buffer.anchor_before(0);
10544 let end = buffer.anchor_after(buffer.len());
10545 let theme = cx.theme().colors();
10546 self.background_highlights_in_range(start..end, &snapshot, theme)
10547 }
10548
10549 #[cfg(feature = "test-support")]
10550 pub fn search_background_highlights(
10551 &mut self,
10552 cx: &mut ViewContext<Self>,
10553 ) -> Vec<Range<Point>> {
10554 let snapshot = self.buffer().read(cx).snapshot(cx);
10555
10556 let highlights = self
10557 .background_highlights
10558 .get(&TypeId::of::<items::BufferSearchHighlights>());
10559
10560 if let Some((_color, ranges)) = highlights {
10561 ranges
10562 .iter()
10563 .map(|range| range.start.to_point(&snapshot)..range.end.to_point(&snapshot))
10564 .collect_vec()
10565 } else {
10566 vec![]
10567 }
10568 }
10569
10570 fn document_highlights_for_position<'a>(
10571 &'a self,
10572 position: Anchor,
10573 buffer: &'a MultiBufferSnapshot,
10574 ) -> impl 'a + Iterator<Item = &Range<Anchor>> {
10575 let read_highlights = self
10576 .background_highlights
10577 .get(&TypeId::of::<DocumentHighlightRead>())
10578 .map(|h| &h.1);
10579 let write_highlights = self
10580 .background_highlights
10581 .get(&TypeId::of::<DocumentHighlightWrite>())
10582 .map(|h| &h.1);
10583 let left_position = position.bias_left(buffer);
10584 let right_position = position.bias_right(buffer);
10585 read_highlights
10586 .into_iter()
10587 .chain(write_highlights)
10588 .flat_map(move |ranges| {
10589 let start_ix = match ranges.binary_search_by(|probe| {
10590 let cmp = probe.end.cmp(&left_position, buffer);
10591 if cmp.is_ge() {
10592 Ordering::Greater
10593 } else {
10594 Ordering::Less
10595 }
10596 }) {
10597 Ok(i) | Err(i) => i,
10598 };
10599
10600 ranges[start_ix..]
10601 .iter()
10602 .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
10603 })
10604 }
10605
10606 pub fn has_background_highlights<T: 'static>(&self) -> bool {
10607 self.background_highlights
10608 .get(&TypeId::of::<T>())
10609 .map_or(false, |(_, highlights)| !highlights.is_empty())
10610 }
10611
10612 pub fn background_highlights_in_range(
10613 &self,
10614 search_range: Range<Anchor>,
10615 display_snapshot: &DisplaySnapshot,
10616 theme: &ThemeColors,
10617 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
10618 let mut results = Vec::new();
10619 for (color_fetcher, ranges) in self.background_highlights.values() {
10620 let color = color_fetcher(theme);
10621 let start_ix = match ranges.binary_search_by(|probe| {
10622 let cmp = probe
10623 .end
10624 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
10625 if cmp.is_gt() {
10626 Ordering::Greater
10627 } else {
10628 Ordering::Less
10629 }
10630 }) {
10631 Ok(i) | Err(i) => i,
10632 };
10633 for range in &ranges[start_ix..] {
10634 if range
10635 .start
10636 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
10637 .is_ge()
10638 {
10639 break;
10640 }
10641
10642 let start = range.start.to_display_point(&display_snapshot);
10643 let end = range.end.to_display_point(&display_snapshot);
10644 results.push((start..end, color))
10645 }
10646 }
10647 results
10648 }
10649
10650 pub fn background_highlight_row_ranges<T: 'static>(
10651 &self,
10652 search_range: Range<Anchor>,
10653 display_snapshot: &DisplaySnapshot,
10654 count: usize,
10655 ) -> Vec<RangeInclusive<DisplayPoint>> {
10656 let mut results = Vec::new();
10657 let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
10658 return vec![];
10659 };
10660
10661 let start_ix = match ranges.binary_search_by(|probe| {
10662 let cmp = probe
10663 .end
10664 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
10665 if cmp.is_gt() {
10666 Ordering::Greater
10667 } else {
10668 Ordering::Less
10669 }
10670 }) {
10671 Ok(i) | Err(i) => i,
10672 };
10673 let mut push_region = |start: Option<Point>, end: Option<Point>| {
10674 if let (Some(start_display), Some(end_display)) = (start, end) {
10675 results.push(
10676 start_display.to_display_point(display_snapshot)
10677 ..=end_display.to_display_point(display_snapshot),
10678 );
10679 }
10680 };
10681 let mut start_row: Option<Point> = None;
10682 let mut end_row: Option<Point> = None;
10683 if ranges.len() > count {
10684 return Vec::new();
10685 }
10686 for range in &ranges[start_ix..] {
10687 if range
10688 .start
10689 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
10690 .is_ge()
10691 {
10692 break;
10693 }
10694 let end = range.end.to_point(&display_snapshot.buffer_snapshot);
10695 if let Some(current_row) = &end_row {
10696 if end.row == current_row.row {
10697 continue;
10698 }
10699 }
10700 let start = range.start.to_point(&display_snapshot.buffer_snapshot);
10701 if start_row.is_none() {
10702 assert_eq!(end_row, None);
10703 start_row = Some(start);
10704 end_row = Some(end);
10705 continue;
10706 }
10707 if let Some(current_end) = end_row.as_mut() {
10708 if start.row > current_end.row + 1 {
10709 push_region(start_row, end_row);
10710 start_row = Some(start);
10711 end_row = Some(end);
10712 } else {
10713 // Merge two hunks.
10714 *current_end = end;
10715 }
10716 } else {
10717 unreachable!();
10718 }
10719 }
10720 // We might still have a hunk that was not rendered (if there was a search hit on the last line)
10721 push_region(start_row, end_row);
10722 results
10723 }
10724
10725 pub fn gutter_highlights_in_range(
10726 &self,
10727 search_range: Range<Anchor>,
10728 display_snapshot: &DisplaySnapshot,
10729 cx: &AppContext,
10730 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
10731 let mut results = Vec::new();
10732 for (color_fetcher, ranges) in self.gutter_highlights.values() {
10733 let color = color_fetcher(cx);
10734 let start_ix = match ranges.binary_search_by(|probe| {
10735 let cmp = probe
10736 .end
10737 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
10738 if cmp.is_gt() {
10739 Ordering::Greater
10740 } else {
10741 Ordering::Less
10742 }
10743 }) {
10744 Ok(i) | Err(i) => i,
10745 };
10746 for range in &ranges[start_ix..] {
10747 if range
10748 .start
10749 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
10750 .is_ge()
10751 {
10752 break;
10753 }
10754
10755 let start = range.start.to_display_point(&display_snapshot);
10756 let end = range.end.to_display_point(&display_snapshot);
10757 results.push((start..end, color))
10758 }
10759 }
10760 results
10761 }
10762
10763 /// Get the text ranges corresponding to the redaction query
10764 pub fn redacted_ranges(
10765 &self,
10766 search_range: Range<Anchor>,
10767 display_snapshot: &DisplaySnapshot,
10768 cx: &WindowContext,
10769 ) -> Vec<Range<DisplayPoint>> {
10770 display_snapshot
10771 .buffer_snapshot
10772 .redacted_ranges(search_range, |file| {
10773 if let Some(file) = file {
10774 file.is_private()
10775 && EditorSettings::get(Some(file.as_ref().into()), cx).redact_private_values
10776 } else {
10777 false
10778 }
10779 })
10780 .map(|range| {
10781 range.start.to_display_point(display_snapshot)
10782 ..range.end.to_display_point(display_snapshot)
10783 })
10784 .collect()
10785 }
10786
10787 pub fn highlight_text<T: 'static>(
10788 &mut self,
10789 ranges: Vec<Range<Anchor>>,
10790 style: HighlightStyle,
10791 cx: &mut ViewContext<Self>,
10792 ) {
10793 self.display_map.update(cx, |map, _| {
10794 map.highlight_text(TypeId::of::<T>(), ranges, style)
10795 });
10796 cx.notify();
10797 }
10798
10799 pub(crate) fn highlight_inlays<T: 'static>(
10800 &mut self,
10801 highlights: Vec<InlayHighlight>,
10802 style: HighlightStyle,
10803 cx: &mut ViewContext<Self>,
10804 ) {
10805 self.display_map.update(cx, |map, _| {
10806 map.highlight_inlays(TypeId::of::<T>(), highlights, style)
10807 });
10808 cx.notify();
10809 }
10810
10811 pub fn text_highlights<'a, T: 'static>(
10812 &'a self,
10813 cx: &'a AppContext,
10814 ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
10815 self.display_map.read(cx).text_highlights(TypeId::of::<T>())
10816 }
10817
10818 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut ViewContext<Self>) {
10819 let cleared = self
10820 .display_map
10821 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
10822 if cleared {
10823 cx.notify();
10824 }
10825 }
10826
10827 pub fn show_local_cursors(&self, cx: &WindowContext) -> bool {
10828 (self.read_only(cx) || self.blink_manager.read(cx).visible())
10829 && self.focus_handle.is_focused(cx)
10830 }
10831
10832 fn on_buffer_changed(&mut self, _: Model<MultiBuffer>, cx: &mut ViewContext<Self>) {
10833 cx.notify();
10834 }
10835
10836 fn on_buffer_event(
10837 &mut self,
10838 multibuffer: Model<MultiBuffer>,
10839 event: &multi_buffer::Event,
10840 cx: &mut ViewContext<Self>,
10841 ) {
10842 match event {
10843 multi_buffer::Event::Edited {
10844 singleton_buffer_edited,
10845 } => {
10846 self.scrollbar_marker_state.dirty = true;
10847 self.active_indent_guides_state.dirty = true;
10848 self.refresh_active_diagnostics(cx);
10849 self.refresh_code_actions(cx);
10850 if self.has_active_inline_completion(cx) {
10851 self.update_visible_inline_completion(cx);
10852 }
10853 cx.emit(EditorEvent::BufferEdited);
10854 cx.emit(SearchEvent::MatchesInvalidated);
10855 if *singleton_buffer_edited {
10856 if let Some(project) = &self.project {
10857 let project = project.read(cx);
10858 let languages_affected = multibuffer
10859 .read(cx)
10860 .all_buffers()
10861 .into_iter()
10862 .filter_map(|buffer| {
10863 let buffer = buffer.read(cx);
10864 let language = buffer.language()?;
10865 if project.is_local()
10866 && project.language_servers_for_buffer(buffer, cx).count() == 0
10867 {
10868 None
10869 } else {
10870 Some(language)
10871 }
10872 })
10873 .cloned()
10874 .collect::<HashSet<_>>();
10875 if !languages_affected.is_empty() {
10876 self.refresh_inlay_hints(
10877 InlayHintRefreshReason::BufferEdited(languages_affected),
10878 cx,
10879 );
10880 }
10881 }
10882 }
10883
10884 let Some(project) = &self.project else { return };
10885 let telemetry = project.read(cx).client().telemetry().clone();
10886 refresh_linked_ranges(self, cx);
10887 telemetry.log_edit_event("editor");
10888 }
10889 multi_buffer::Event::ExcerptsAdded {
10890 buffer,
10891 predecessor,
10892 excerpts,
10893 } => {
10894 self.tasks_update_task = Some(self.refresh_runnables(cx));
10895 cx.emit(EditorEvent::ExcerptsAdded {
10896 buffer: buffer.clone(),
10897 predecessor: *predecessor,
10898 excerpts: excerpts.clone(),
10899 });
10900 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
10901 }
10902 multi_buffer::Event::ExcerptsRemoved { ids } => {
10903 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
10904 cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
10905 }
10906 multi_buffer::Event::ExcerptsEdited { ids } => {
10907 cx.emit(EditorEvent::ExcerptsEdited { ids: ids.clone() })
10908 }
10909 multi_buffer::Event::ExcerptsExpanded { ids } => {
10910 cx.emit(EditorEvent::ExcerptsExpanded { ids: ids.clone() })
10911 }
10912 multi_buffer::Event::Reparsed(buffer_id) => {
10913 self.tasks_update_task = Some(self.refresh_runnables(cx));
10914
10915 cx.emit(EditorEvent::Reparsed(*buffer_id));
10916 }
10917 multi_buffer::Event::LanguageChanged(buffer_id) => {
10918 linked_editing_ranges::refresh_linked_ranges(self, cx);
10919 cx.emit(EditorEvent::Reparsed(*buffer_id));
10920 cx.notify();
10921 }
10922 multi_buffer::Event::DirtyChanged => cx.emit(EditorEvent::DirtyChanged),
10923 multi_buffer::Event::Saved => cx.emit(EditorEvent::Saved),
10924 multi_buffer::Event::FileHandleChanged | multi_buffer::Event::Reloaded => {
10925 cx.emit(EditorEvent::TitleChanged)
10926 }
10927 multi_buffer::Event::DiffBaseChanged => {
10928 self.scrollbar_marker_state.dirty = true;
10929 cx.emit(EditorEvent::DiffBaseChanged);
10930 cx.notify();
10931 }
10932 multi_buffer::Event::DiffUpdated { buffer } => {
10933 self.sync_expanded_diff_hunks(buffer.clone(), cx);
10934 cx.notify();
10935 }
10936 multi_buffer::Event::Closed => cx.emit(EditorEvent::Closed),
10937 multi_buffer::Event::DiagnosticsUpdated => {
10938 self.refresh_active_diagnostics(cx);
10939 self.scrollbar_marker_state.dirty = true;
10940 cx.notify();
10941 }
10942 _ => {}
10943 };
10944 }
10945
10946 fn on_display_map_changed(&mut self, _: Model<DisplayMap>, cx: &mut ViewContext<Self>) {
10947 cx.notify();
10948 }
10949
10950 fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
10951 self.refresh_inline_completion(true, cx);
10952 self.refresh_inlay_hints(
10953 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
10954 self.selections.newest_anchor().head(),
10955 &self.buffer.read(cx).snapshot(cx),
10956 cx,
10957 )),
10958 cx,
10959 );
10960 let editor_settings = EditorSettings::get_global(cx);
10961 self.scroll_manager.vertical_scroll_margin = editor_settings.vertical_scroll_margin;
10962 self.show_breadcrumbs = editor_settings.toolbar.breadcrumbs;
10963
10964 if self.mode == EditorMode::Full {
10965 let inline_blame_enabled = ProjectSettings::get_global(cx).git.inline_blame_enabled();
10966 if self.git_blame_inline_enabled != inline_blame_enabled {
10967 self.toggle_git_blame_inline_internal(false, cx);
10968 }
10969 }
10970
10971 cx.notify();
10972 }
10973
10974 pub fn set_searchable(&mut self, searchable: bool) {
10975 self.searchable = searchable;
10976 }
10977
10978 pub fn searchable(&self) -> bool {
10979 self.searchable
10980 }
10981
10982 fn open_excerpts_in_split(&mut self, _: &OpenExcerptsSplit, cx: &mut ViewContext<Self>) {
10983 self.open_excerpts_common(true, cx)
10984 }
10985
10986 fn open_excerpts(&mut self, _: &OpenExcerpts, cx: &mut ViewContext<Self>) {
10987 self.open_excerpts_common(false, cx)
10988 }
10989
10990 fn open_excerpts_common(&mut self, split: bool, cx: &mut ViewContext<Self>) {
10991 let buffer = self.buffer.read(cx);
10992 if buffer.is_singleton() {
10993 cx.propagate();
10994 return;
10995 }
10996
10997 let Some(workspace) = self.workspace() else {
10998 cx.propagate();
10999 return;
11000 };
11001
11002 let mut new_selections_by_buffer = HashMap::default();
11003 for selection in self.selections.all::<usize>(cx) {
11004 for (buffer, mut range, _) in
11005 buffer.range_to_buffer_ranges(selection.start..selection.end, cx)
11006 {
11007 if selection.reversed {
11008 mem::swap(&mut range.start, &mut range.end);
11009 }
11010 new_selections_by_buffer
11011 .entry(buffer)
11012 .or_insert(Vec::new())
11013 .push(range)
11014 }
11015 }
11016
11017 // We defer the pane interaction because we ourselves are a workspace item
11018 // and activating a new item causes the pane to call a method on us reentrantly,
11019 // which panics if we're on the stack.
11020 cx.window_context().defer(move |cx| {
11021 workspace.update(cx, |workspace, cx| {
11022 let pane = if split {
11023 workspace.adjacent_pane(cx)
11024 } else {
11025 workspace.active_pane().clone()
11026 };
11027
11028 for (buffer, ranges) in new_selections_by_buffer {
11029 let editor = workspace.open_project_item::<Self>(pane.clone(), buffer, cx);
11030 editor.update(cx, |editor, cx| {
11031 editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
11032 s.select_ranges(ranges);
11033 });
11034 });
11035 }
11036 })
11037 });
11038 }
11039
11040 fn jump(
11041 &mut self,
11042 path: ProjectPath,
11043 position: Point,
11044 anchor: language::Anchor,
11045 offset_from_top: u32,
11046 cx: &mut ViewContext<Self>,
11047 ) {
11048 let workspace = self.workspace();
11049 cx.spawn(|_, mut cx| async move {
11050 let workspace = workspace.ok_or_else(|| anyhow!("cannot jump without workspace"))?;
11051 let editor = workspace.update(&mut cx, |workspace, cx| {
11052 // Reset the preview item id before opening the new item
11053 workspace.active_pane().update(cx, |pane, cx| {
11054 pane.set_preview_item_id(None, cx);
11055 });
11056 workspace.open_path_preview(path, None, true, true, cx)
11057 })?;
11058 let editor = editor
11059 .await?
11060 .downcast::<Editor>()
11061 .ok_or_else(|| anyhow!("opened item was not an editor"))?
11062 .downgrade();
11063 editor.update(&mut cx, |editor, cx| {
11064 let buffer = editor
11065 .buffer()
11066 .read(cx)
11067 .as_singleton()
11068 .ok_or_else(|| anyhow!("cannot jump in a multi-buffer"))?;
11069 let buffer = buffer.read(cx);
11070 let cursor = if buffer.can_resolve(&anchor) {
11071 language::ToPoint::to_point(&anchor, buffer)
11072 } else {
11073 buffer.clip_point(position, Bias::Left)
11074 };
11075
11076 let nav_history = editor.nav_history.take();
11077 editor.change_selections(
11078 Some(Autoscroll::top_relative(offset_from_top as usize)),
11079 cx,
11080 |s| {
11081 s.select_ranges([cursor..cursor]);
11082 },
11083 );
11084 editor.nav_history = nav_history;
11085
11086 anyhow::Ok(())
11087 })??;
11088
11089 anyhow::Ok(())
11090 })
11091 .detach_and_log_err(cx);
11092 }
11093
11094 fn marked_text_ranges(&self, cx: &AppContext) -> Option<Vec<Range<OffsetUtf16>>> {
11095 let snapshot = self.buffer.read(cx).read(cx);
11096 let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
11097 Some(
11098 ranges
11099 .iter()
11100 .map(move |range| {
11101 range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
11102 })
11103 .collect(),
11104 )
11105 }
11106
11107 fn selection_replacement_ranges(
11108 &self,
11109 range: Range<OffsetUtf16>,
11110 cx: &AppContext,
11111 ) -> Vec<Range<OffsetUtf16>> {
11112 let selections = self.selections.all::<OffsetUtf16>(cx);
11113 let newest_selection = selections
11114 .iter()
11115 .max_by_key(|selection| selection.id)
11116 .unwrap();
11117 let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
11118 let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
11119 let snapshot = self.buffer.read(cx).read(cx);
11120 selections
11121 .into_iter()
11122 .map(|mut selection| {
11123 selection.start.0 =
11124 (selection.start.0 as isize).saturating_add(start_delta) as usize;
11125 selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
11126 snapshot.clip_offset_utf16(selection.start, Bias::Left)
11127 ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
11128 })
11129 .collect()
11130 }
11131
11132 fn report_editor_event(
11133 &self,
11134 operation: &'static str,
11135 file_extension: Option<String>,
11136 cx: &AppContext,
11137 ) {
11138 if cfg!(any(test, feature = "test-support")) {
11139 return;
11140 }
11141
11142 let Some(project) = &self.project else { return };
11143
11144 // If None, we are in a file without an extension
11145 let file = self
11146 .buffer
11147 .read(cx)
11148 .as_singleton()
11149 .and_then(|b| b.read(cx).file());
11150 let file_extension = file_extension.or(file
11151 .as_ref()
11152 .and_then(|file| Path::new(file.file_name(cx)).extension())
11153 .and_then(|e| e.to_str())
11154 .map(|a| a.to_string()));
11155
11156 let vim_mode = cx
11157 .global::<SettingsStore>()
11158 .raw_user_settings()
11159 .get("vim_mode")
11160 == Some(&serde_json::Value::Bool(true));
11161
11162 let copilot_enabled = all_language_settings(file, cx).inline_completions.provider
11163 == language::language_settings::InlineCompletionProvider::Copilot;
11164 let copilot_enabled_for_language = self
11165 .buffer
11166 .read(cx)
11167 .settings_at(0, cx)
11168 .show_inline_completions;
11169
11170 let telemetry = project.read(cx).client().telemetry().clone();
11171 telemetry.report_editor_event(
11172 file_extension,
11173 vim_mode,
11174 operation,
11175 copilot_enabled,
11176 copilot_enabled_for_language,
11177 )
11178 }
11179
11180 /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
11181 /// with each line being an array of {text, highlight} objects.
11182 fn copy_highlight_json(&mut self, _: &CopyHighlightJson, cx: &mut ViewContext<Self>) {
11183 let Some(buffer) = self.buffer.read(cx).as_singleton() else {
11184 return;
11185 };
11186
11187 #[derive(Serialize)]
11188 struct Chunk<'a> {
11189 text: String,
11190 highlight: Option<&'a str>,
11191 }
11192
11193 let snapshot = buffer.read(cx).snapshot();
11194 let range = self
11195 .selected_text_range(cx)
11196 .and_then(|selected_range| {
11197 if selected_range.is_empty() {
11198 None
11199 } else {
11200 Some(selected_range)
11201 }
11202 })
11203 .unwrap_or_else(|| 0..snapshot.len());
11204
11205 let chunks = snapshot.chunks(range, true);
11206 let mut lines = Vec::new();
11207 let mut line: VecDeque<Chunk> = VecDeque::new();
11208
11209 let Some(style) = self.style.as_ref() else {
11210 return;
11211 };
11212
11213 for chunk in chunks {
11214 let highlight = chunk
11215 .syntax_highlight_id
11216 .and_then(|id| id.name(&style.syntax));
11217 let mut chunk_lines = chunk.text.split('\n').peekable();
11218 while let Some(text) = chunk_lines.next() {
11219 let mut merged_with_last_token = false;
11220 if let Some(last_token) = line.back_mut() {
11221 if last_token.highlight == highlight {
11222 last_token.text.push_str(text);
11223 merged_with_last_token = true;
11224 }
11225 }
11226
11227 if !merged_with_last_token {
11228 line.push_back(Chunk {
11229 text: text.into(),
11230 highlight,
11231 });
11232 }
11233
11234 if chunk_lines.peek().is_some() {
11235 if line.len() > 1 && line.front().unwrap().text.is_empty() {
11236 line.pop_front();
11237 }
11238 if line.len() > 1 && line.back().unwrap().text.is_empty() {
11239 line.pop_back();
11240 }
11241
11242 lines.push(mem::take(&mut line));
11243 }
11244 }
11245 }
11246
11247 let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
11248 return;
11249 };
11250 cx.write_to_clipboard(ClipboardItem::new(lines));
11251 }
11252
11253 pub fn inlay_hint_cache(&self) -> &InlayHintCache {
11254 &self.inlay_hint_cache
11255 }
11256
11257 pub fn replay_insert_event(
11258 &mut self,
11259 text: &str,
11260 relative_utf16_range: Option<Range<isize>>,
11261 cx: &mut ViewContext<Self>,
11262 ) {
11263 if !self.input_enabled {
11264 cx.emit(EditorEvent::InputIgnored { text: text.into() });
11265 return;
11266 }
11267 if let Some(relative_utf16_range) = relative_utf16_range {
11268 let selections = self.selections.all::<OffsetUtf16>(cx);
11269 self.change_selections(None, cx, |s| {
11270 let new_ranges = selections.into_iter().map(|range| {
11271 let start = OffsetUtf16(
11272 range
11273 .head()
11274 .0
11275 .saturating_add_signed(relative_utf16_range.start),
11276 );
11277 let end = OffsetUtf16(
11278 range
11279 .head()
11280 .0
11281 .saturating_add_signed(relative_utf16_range.end),
11282 );
11283 start..end
11284 });
11285 s.select_ranges(new_ranges);
11286 });
11287 }
11288
11289 self.handle_input(text, cx);
11290 }
11291
11292 pub fn supports_inlay_hints(&self, cx: &AppContext) -> bool {
11293 let Some(project) = self.project.as_ref() else {
11294 return false;
11295 };
11296 let project = project.read(cx);
11297
11298 let mut supports = false;
11299 self.buffer().read(cx).for_each_buffer(|buffer| {
11300 if !supports {
11301 supports = project
11302 .language_servers_for_buffer(buffer.read(cx), cx)
11303 .any(
11304 |(_, server)| match server.capabilities().inlay_hint_provider {
11305 Some(lsp::OneOf::Left(enabled)) => enabled,
11306 Some(lsp::OneOf::Right(_)) => true,
11307 None => false,
11308 },
11309 )
11310 }
11311 });
11312 supports
11313 }
11314
11315 pub fn focus(&self, cx: &mut WindowContext) {
11316 cx.focus(&self.focus_handle)
11317 }
11318
11319 pub fn is_focused(&self, cx: &WindowContext) -> bool {
11320 self.focus_handle.is_focused(cx)
11321 }
11322
11323 fn handle_focus(&mut self, cx: &mut ViewContext<Self>) {
11324 cx.emit(EditorEvent::Focused);
11325
11326 if let Some(descendant) = self
11327 .last_focused_descendant
11328 .take()
11329 .and_then(|descendant| descendant.upgrade())
11330 {
11331 cx.focus(&descendant);
11332 } else {
11333 if let Some(blame) = self.blame.as_ref() {
11334 blame.update(cx, GitBlame::focus)
11335 }
11336
11337 self.blink_manager.update(cx, BlinkManager::enable);
11338 self.show_cursor_names(cx);
11339 self.buffer.update(cx, |buffer, cx| {
11340 buffer.finalize_last_transaction(cx);
11341 if self.leader_peer_id.is_none() {
11342 buffer.set_active_selections(
11343 &self.selections.disjoint_anchors(),
11344 self.selections.line_mode,
11345 self.cursor_shape,
11346 cx,
11347 );
11348 }
11349 });
11350 }
11351 }
11352
11353 fn handle_focus_out(&mut self, event: FocusOutEvent, _cx: &mut ViewContext<Self>) {
11354 if event.blurred != self.focus_handle {
11355 self.last_focused_descendant = Some(event.blurred);
11356 }
11357 }
11358
11359 pub fn handle_blur(&mut self, cx: &mut ViewContext<Self>) {
11360 self.blink_manager.update(cx, BlinkManager::disable);
11361 self.buffer
11362 .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
11363
11364 if let Some(blame) = self.blame.as_ref() {
11365 blame.update(cx, GitBlame::blur)
11366 }
11367 self.hide_context_menu(cx);
11368 hide_hover(self, cx);
11369 cx.emit(EditorEvent::Blurred);
11370 cx.notify();
11371 }
11372
11373 pub fn register_action<A: Action>(
11374 &mut self,
11375 listener: impl Fn(&A, &mut WindowContext) + 'static,
11376 ) -> Subscription {
11377 let id = self.next_editor_action_id.post_inc();
11378 let listener = Arc::new(listener);
11379 self.editor_actions.borrow_mut().insert(
11380 id,
11381 Box::new(move |cx| {
11382 let _view = cx.view().clone();
11383 let cx = cx.window_context();
11384 let listener = listener.clone();
11385 cx.on_action(TypeId::of::<A>(), move |action, phase, cx| {
11386 let action = action.downcast_ref().unwrap();
11387 if phase == DispatchPhase::Bubble {
11388 listener(action, cx)
11389 }
11390 })
11391 }),
11392 );
11393
11394 let editor_actions = self.editor_actions.clone();
11395 Subscription::new(move || {
11396 editor_actions.borrow_mut().remove(&id);
11397 })
11398 }
11399
11400 pub fn file_header_size(&self) -> u8 {
11401 self.file_header_size
11402 }
11403}
11404
11405fn hunks_for_selections(
11406 multi_buffer_snapshot: &MultiBufferSnapshot,
11407 selections: &[Selection<Anchor>],
11408) -> Vec<DiffHunk<MultiBufferRow>> {
11409 let mut hunks = Vec::with_capacity(selections.len());
11410 let mut processed_buffer_rows: HashMap<BufferId, HashSet<Range<text::Anchor>>> =
11411 HashMap::default();
11412 let buffer_rows_for_selections = selections.iter().map(|selection| {
11413 let head = selection.head();
11414 let tail = selection.tail();
11415 let start = MultiBufferRow(tail.to_point(&multi_buffer_snapshot).row);
11416 let end = MultiBufferRow(head.to_point(&multi_buffer_snapshot).row);
11417 if start > end {
11418 end..start
11419 } else {
11420 start..end
11421 }
11422 });
11423
11424 for selected_multi_buffer_rows in buffer_rows_for_selections {
11425 let query_rows =
11426 selected_multi_buffer_rows.start..selected_multi_buffer_rows.end.next_row();
11427 for hunk in multi_buffer_snapshot.git_diff_hunks_in_range(query_rows.clone()) {
11428 // Deleted hunk is an empty row range, no caret can be placed there and Zed allows to revert it
11429 // when the caret is just above or just below the deleted hunk.
11430 let allow_adjacent = hunk_status(&hunk) == DiffHunkStatus::Removed;
11431 let related_to_selection = if allow_adjacent {
11432 hunk.associated_range.overlaps(&query_rows)
11433 || hunk.associated_range.start == query_rows.end
11434 || hunk.associated_range.end == query_rows.start
11435 } else {
11436 // `selected_multi_buffer_rows` are inclusive (e.g. [2..2] means 2nd row is selected)
11437 // `hunk.associated_range` is exclusive (e.g. [2..3] means 2nd row is selected)
11438 hunk.associated_range.overlaps(&selected_multi_buffer_rows)
11439 || selected_multi_buffer_rows.end == hunk.associated_range.start
11440 };
11441 if related_to_selection {
11442 if !processed_buffer_rows
11443 .entry(hunk.buffer_id)
11444 .or_default()
11445 .insert(hunk.buffer_range.start..hunk.buffer_range.end)
11446 {
11447 continue;
11448 }
11449 hunks.push(hunk);
11450 }
11451 }
11452 }
11453
11454 hunks
11455}
11456
11457pub trait CollaborationHub {
11458 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator>;
11459 fn user_participant_indices<'a>(
11460 &self,
11461 cx: &'a AppContext,
11462 ) -> &'a HashMap<u64, ParticipantIndex>;
11463 fn user_names(&self, cx: &AppContext) -> HashMap<u64, SharedString>;
11464}
11465
11466impl CollaborationHub for Model<Project> {
11467 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator> {
11468 self.read(cx).collaborators()
11469 }
11470
11471 fn user_participant_indices<'a>(
11472 &self,
11473 cx: &'a AppContext,
11474 ) -> &'a HashMap<u64, ParticipantIndex> {
11475 self.read(cx).user_store().read(cx).participant_indices()
11476 }
11477
11478 fn user_names(&self, cx: &AppContext) -> HashMap<u64, SharedString> {
11479 let this = self.read(cx);
11480 let user_ids = this.collaborators().values().map(|c| c.user_id);
11481 this.user_store().read_with(cx, |user_store, cx| {
11482 user_store.participant_names(user_ids, cx)
11483 })
11484 }
11485}
11486
11487pub trait CompletionProvider {
11488 fn completions(
11489 &self,
11490 buffer: &Model<Buffer>,
11491 buffer_position: text::Anchor,
11492 trigger: CompletionContext,
11493 cx: &mut ViewContext<Editor>,
11494 ) -> Task<Result<Vec<Completion>>>;
11495
11496 fn resolve_completions(
11497 &self,
11498 buffer: Model<Buffer>,
11499 completion_indices: Vec<usize>,
11500 completions: Arc<RwLock<Box<[Completion]>>>,
11501 cx: &mut ViewContext<Editor>,
11502 ) -> Task<Result<bool>>;
11503
11504 fn apply_additional_edits_for_completion(
11505 &self,
11506 buffer: Model<Buffer>,
11507 completion: Completion,
11508 push_to_history: bool,
11509 cx: &mut ViewContext<Editor>,
11510 ) -> Task<Result<Option<language::Transaction>>>;
11511
11512 fn is_completion_trigger(
11513 &self,
11514 buffer: &Model<Buffer>,
11515 position: language::Anchor,
11516 text: &str,
11517 trigger_in_words: bool,
11518 cx: &mut ViewContext<Editor>,
11519 ) -> bool;
11520}
11521
11522impl CompletionProvider for Model<Project> {
11523 fn completions(
11524 &self,
11525 buffer: &Model<Buffer>,
11526 buffer_position: text::Anchor,
11527 options: CompletionContext,
11528 cx: &mut ViewContext<Editor>,
11529 ) -> Task<Result<Vec<Completion>>> {
11530 self.update(cx, |project, cx| {
11531 project.completions(&buffer, buffer_position, options, cx)
11532 })
11533 }
11534
11535 fn resolve_completions(
11536 &self,
11537 buffer: Model<Buffer>,
11538 completion_indices: Vec<usize>,
11539 completions: Arc<RwLock<Box<[Completion]>>>,
11540 cx: &mut ViewContext<Editor>,
11541 ) -> Task<Result<bool>> {
11542 self.update(cx, |project, cx| {
11543 project.resolve_completions(buffer, completion_indices, completions, cx)
11544 })
11545 }
11546
11547 fn apply_additional_edits_for_completion(
11548 &self,
11549 buffer: Model<Buffer>,
11550 completion: Completion,
11551 push_to_history: bool,
11552 cx: &mut ViewContext<Editor>,
11553 ) -> Task<Result<Option<language::Transaction>>> {
11554 self.update(cx, |project, cx| {
11555 project.apply_additional_edits_for_completion(buffer, completion, push_to_history, cx)
11556 })
11557 }
11558
11559 fn is_completion_trigger(
11560 &self,
11561 buffer: &Model<Buffer>,
11562 position: language::Anchor,
11563 text: &str,
11564 trigger_in_words: bool,
11565 cx: &mut ViewContext<Editor>,
11566 ) -> bool {
11567 if !EditorSettings::get_global(cx).show_completions_on_input {
11568 return false;
11569 }
11570
11571 let mut chars = text.chars();
11572 let char = if let Some(char) = chars.next() {
11573 char
11574 } else {
11575 return false;
11576 };
11577 if chars.next().is_some() {
11578 return false;
11579 }
11580
11581 let buffer = buffer.read(cx);
11582 let scope = buffer.snapshot().language_scope_at(position);
11583 if trigger_in_words && char_kind(&scope, char) == CharKind::Word {
11584 return true;
11585 }
11586
11587 buffer
11588 .completion_triggers()
11589 .iter()
11590 .any(|string| string == text)
11591 }
11592}
11593
11594fn inlay_hint_settings(
11595 location: Anchor,
11596 snapshot: &MultiBufferSnapshot,
11597 cx: &mut ViewContext<'_, Editor>,
11598) -> InlayHintSettings {
11599 let file = snapshot.file_at(location);
11600 let language = snapshot.language_at(location);
11601 let settings = all_language_settings(file, cx);
11602 settings
11603 .language(language.map(|l| l.name()).as_deref())
11604 .inlay_hints
11605}
11606
11607fn consume_contiguous_rows(
11608 contiguous_row_selections: &mut Vec<Selection<Point>>,
11609 selection: &Selection<Point>,
11610 display_map: &DisplaySnapshot,
11611 selections: &mut std::iter::Peekable<std::slice::Iter<Selection<Point>>>,
11612) -> (MultiBufferRow, MultiBufferRow) {
11613 contiguous_row_selections.push(selection.clone());
11614 let start_row = MultiBufferRow(selection.start.row);
11615 let mut end_row = ending_row(selection, display_map);
11616
11617 while let Some(next_selection) = selections.peek() {
11618 if next_selection.start.row <= end_row.0 {
11619 end_row = ending_row(next_selection, display_map);
11620 contiguous_row_selections.push(selections.next().unwrap().clone());
11621 } else {
11622 break;
11623 }
11624 }
11625 (start_row, end_row)
11626}
11627
11628fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> MultiBufferRow {
11629 if next_selection.end.column > 0 || next_selection.is_empty() {
11630 MultiBufferRow(display_map.next_line_boundary(next_selection.end).0.row + 1)
11631 } else {
11632 MultiBufferRow(next_selection.end.row)
11633 }
11634}
11635
11636impl EditorSnapshot {
11637 pub fn remote_selections_in_range<'a>(
11638 &'a self,
11639 range: &'a Range<Anchor>,
11640 collaboration_hub: &dyn CollaborationHub,
11641 cx: &'a AppContext,
11642 ) -> impl 'a + Iterator<Item = RemoteSelection> {
11643 let participant_names = collaboration_hub.user_names(cx);
11644 let participant_indices = collaboration_hub.user_participant_indices(cx);
11645 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
11646 let collaborators_by_replica_id = collaborators_by_peer_id
11647 .iter()
11648 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
11649 .collect::<HashMap<_, _>>();
11650 self.buffer_snapshot
11651 .remote_selections_in_range(range)
11652 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
11653 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
11654 let participant_index = participant_indices.get(&collaborator.user_id).copied();
11655 let user_name = participant_names.get(&collaborator.user_id).cloned();
11656 Some(RemoteSelection {
11657 replica_id,
11658 selection,
11659 cursor_shape,
11660 line_mode,
11661 participant_index,
11662 peer_id: collaborator.peer_id,
11663 user_name,
11664 })
11665 })
11666 }
11667
11668 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
11669 self.display_snapshot.buffer_snapshot.language_at(position)
11670 }
11671
11672 pub fn is_focused(&self) -> bool {
11673 self.is_focused
11674 }
11675
11676 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
11677 self.placeholder_text.as_ref()
11678 }
11679
11680 pub fn scroll_position(&self) -> gpui::Point<f32> {
11681 self.scroll_anchor.scroll_position(&self.display_snapshot)
11682 }
11683
11684 pub fn gutter_dimensions(
11685 &self,
11686 font_id: FontId,
11687 font_size: Pixels,
11688 em_width: Pixels,
11689 max_line_number_width: Pixels,
11690 cx: &AppContext,
11691 ) -> GutterDimensions {
11692 if !self.show_gutter {
11693 return GutterDimensions::default();
11694 }
11695 let descent = cx.text_system().descent(font_id, font_size);
11696
11697 let show_git_gutter = self.show_git_diff_gutter.unwrap_or_else(|| {
11698 matches!(
11699 ProjectSettings::get_global(cx).git.git_gutter,
11700 Some(GitGutterSetting::TrackedFiles)
11701 )
11702 });
11703 let gutter_settings = EditorSettings::get_global(cx).gutter;
11704 let show_line_numbers = self
11705 .show_line_numbers
11706 .unwrap_or_else(|| gutter_settings.line_numbers);
11707 let line_gutter_width = if show_line_numbers {
11708 // Avoid flicker-like gutter resizes when the line number gains another digit and only resize the gutter on files with N*10^5 lines.
11709 let min_width_for_number_on_gutter = em_width * 4.0;
11710 max_line_number_width.max(min_width_for_number_on_gutter)
11711 } else {
11712 0.0.into()
11713 };
11714
11715 let show_code_actions = self
11716 .show_code_actions
11717 .unwrap_or_else(|| gutter_settings.code_actions);
11718
11719 let git_blame_entries_width = self
11720 .render_git_blame_gutter
11721 .then_some(em_width * GIT_BLAME_GUTTER_WIDTH_CHARS);
11722
11723 let mut left_padding = git_blame_entries_width.unwrap_or(Pixels::ZERO);
11724 left_padding += if show_code_actions {
11725 em_width * 3.0
11726 } else if show_git_gutter && show_line_numbers {
11727 em_width * 2.0
11728 } else if show_git_gutter || show_line_numbers {
11729 em_width
11730 } else {
11731 px(0.)
11732 };
11733
11734 let right_padding = if gutter_settings.folds && show_line_numbers {
11735 em_width * 4.0
11736 } else if gutter_settings.folds {
11737 em_width * 3.0
11738 } else if show_line_numbers {
11739 em_width
11740 } else {
11741 px(0.)
11742 };
11743
11744 GutterDimensions {
11745 left_padding,
11746 right_padding,
11747 width: line_gutter_width + left_padding + right_padding,
11748 margin: -descent,
11749 git_blame_entries_width,
11750 }
11751 }
11752
11753 pub fn render_fold_toggle(
11754 &self,
11755 buffer_row: MultiBufferRow,
11756 row_contains_cursor: bool,
11757 editor: View<Editor>,
11758 cx: &mut WindowContext,
11759 ) -> Option<AnyElement> {
11760 let folded = self.is_line_folded(buffer_row);
11761
11762 if let Some(crease) = self
11763 .crease_snapshot
11764 .query_row(buffer_row, &self.buffer_snapshot)
11765 {
11766 let toggle_callback = Arc::new(move |folded, cx: &mut WindowContext| {
11767 if folded {
11768 editor.update(cx, |editor, cx| {
11769 editor.fold_at(&crate::FoldAt { buffer_row }, cx)
11770 });
11771 } else {
11772 editor.update(cx, |editor, cx| {
11773 editor.unfold_at(&crate::UnfoldAt { buffer_row }, cx)
11774 });
11775 }
11776 });
11777
11778 Some((crease.render_toggle)(
11779 buffer_row,
11780 folded,
11781 toggle_callback,
11782 cx,
11783 ))
11784 } else if folded
11785 || (self.starts_indent(buffer_row) && (row_contains_cursor || self.gutter_hovered))
11786 {
11787 Some(
11788 Disclosure::new(("indent-fold-indicator", buffer_row.0), !folded)
11789 .selected(folded)
11790 .on_click(cx.listener_for(&editor, move |this, _e, cx| {
11791 if folded {
11792 this.unfold_at(&UnfoldAt { buffer_row }, cx);
11793 } else {
11794 this.fold_at(&FoldAt { buffer_row }, cx);
11795 }
11796 }))
11797 .into_any_element(),
11798 )
11799 } else {
11800 None
11801 }
11802 }
11803
11804 pub fn render_crease_trailer(
11805 &self,
11806 buffer_row: MultiBufferRow,
11807 cx: &mut WindowContext,
11808 ) -> Option<AnyElement> {
11809 let folded = self.is_line_folded(buffer_row);
11810 let crease = self
11811 .crease_snapshot
11812 .query_row(buffer_row, &self.buffer_snapshot)?;
11813 Some((crease.render_trailer)(buffer_row, folded, cx))
11814 }
11815}
11816
11817impl Deref for EditorSnapshot {
11818 type Target = DisplaySnapshot;
11819
11820 fn deref(&self) -> &Self::Target {
11821 &self.display_snapshot
11822 }
11823}
11824
11825#[derive(Clone, Debug, PartialEq, Eq)]
11826pub enum EditorEvent {
11827 InputIgnored {
11828 text: Arc<str>,
11829 },
11830 InputHandled {
11831 utf16_range_to_replace: Option<Range<isize>>,
11832 text: Arc<str>,
11833 },
11834 ExcerptsAdded {
11835 buffer: Model<Buffer>,
11836 predecessor: ExcerptId,
11837 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
11838 },
11839 ExcerptsRemoved {
11840 ids: Vec<ExcerptId>,
11841 },
11842 ExcerptsEdited {
11843 ids: Vec<ExcerptId>,
11844 },
11845 ExcerptsExpanded {
11846 ids: Vec<ExcerptId>,
11847 },
11848 BufferEdited,
11849 Edited {
11850 transaction_id: clock::Lamport,
11851 },
11852 Reparsed(BufferId),
11853 Focused,
11854 Blurred,
11855 DirtyChanged,
11856 Saved,
11857 TitleChanged,
11858 DiffBaseChanged,
11859 SelectionsChanged {
11860 local: bool,
11861 },
11862 ScrollPositionChanged {
11863 local: bool,
11864 autoscroll: bool,
11865 },
11866 Closed,
11867 TransactionUndone {
11868 transaction_id: clock::Lamport,
11869 },
11870 TransactionBegun {
11871 transaction_id: clock::Lamport,
11872 },
11873}
11874
11875impl EventEmitter<EditorEvent> for Editor {}
11876
11877impl FocusableView for Editor {
11878 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
11879 self.focus_handle.clone()
11880 }
11881}
11882
11883impl Render for Editor {
11884 fn render<'a>(&mut self, cx: &mut ViewContext<'a, Self>) -> impl IntoElement {
11885 let settings = ThemeSettings::get_global(cx);
11886
11887 let text_style = match self.mode {
11888 EditorMode::SingleLine | EditorMode::AutoHeight { .. } => TextStyle {
11889 color: cx.theme().colors().editor_foreground,
11890 font_family: settings.ui_font.family.clone(),
11891 font_features: settings.ui_font.features.clone(),
11892 font_size: rems(0.875).into(),
11893 font_weight: settings.ui_font.weight,
11894 font_style: FontStyle::Normal,
11895 line_height: relative(settings.buffer_line_height.value()),
11896 background_color: None,
11897 underline: None,
11898 strikethrough: None,
11899 white_space: WhiteSpace::Normal,
11900 },
11901 EditorMode::Full => TextStyle {
11902 color: cx.theme().colors().editor_foreground,
11903 font_family: settings.buffer_font.family.clone(),
11904 font_features: settings.buffer_font.features.clone(),
11905 font_size: settings.buffer_font_size(cx).into(),
11906 font_weight: settings.buffer_font.weight,
11907 font_style: FontStyle::Normal,
11908 line_height: relative(settings.buffer_line_height.value()),
11909 background_color: None,
11910 underline: None,
11911 strikethrough: None,
11912 white_space: WhiteSpace::Normal,
11913 },
11914 };
11915
11916 let background = match self.mode {
11917 EditorMode::SingleLine => cx.theme().system().transparent,
11918 EditorMode::AutoHeight { max_lines: _ } => cx.theme().system().transparent,
11919 EditorMode::Full => cx.theme().colors().editor_background,
11920 };
11921
11922 EditorElement::new(
11923 cx.view(),
11924 EditorStyle {
11925 background,
11926 local_player: cx.theme().players().local(),
11927 text: text_style,
11928 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
11929 syntax: cx.theme().syntax().clone(),
11930 status: cx.theme().status().clone(),
11931 inlay_hints_style: HighlightStyle {
11932 color: Some(cx.theme().status().hint),
11933 ..HighlightStyle::default()
11934 },
11935 suggestions_style: HighlightStyle {
11936 color: Some(cx.theme().status().predictive),
11937 ..HighlightStyle::default()
11938 },
11939 },
11940 )
11941 }
11942}
11943
11944impl ViewInputHandler for Editor {
11945 fn text_for_range(
11946 &mut self,
11947 range_utf16: Range<usize>,
11948 cx: &mut ViewContext<Self>,
11949 ) -> Option<String> {
11950 Some(
11951 self.buffer
11952 .read(cx)
11953 .read(cx)
11954 .text_for_range(OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end))
11955 .collect(),
11956 )
11957 }
11958
11959 fn selected_text_range(&mut self, cx: &mut ViewContext<Self>) -> Option<Range<usize>> {
11960 // Prevent the IME menu from appearing when holding down an alphabetic key
11961 // while input is disabled.
11962 if !self.input_enabled {
11963 return None;
11964 }
11965
11966 let range = self.selections.newest::<OffsetUtf16>(cx).range();
11967 Some(range.start.0..range.end.0)
11968 }
11969
11970 fn marked_text_range(&self, cx: &mut ViewContext<Self>) -> Option<Range<usize>> {
11971 let snapshot = self.buffer.read(cx).read(cx);
11972 let range = self.text_highlights::<InputComposition>(cx)?.1.get(0)?;
11973 Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
11974 }
11975
11976 fn unmark_text(&mut self, cx: &mut ViewContext<Self>) {
11977 self.clear_highlights::<InputComposition>(cx);
11978 self.ime_transaction.take();
11979 }
11980
11981 fn replace_text_in_range(
11982 &mut self,
11983 range_utf16: Option<Range<usize>>,
11984 text: &str,
11985 cx: &mut ViewContext<Self>,
11986 ) {
11987 if !self.input_enabled {
11988 cx.emit(EditorEvent::InputIgnored { text: text.into() });
11989 return;
11990 }
11991
11992 self.transact(cx, |this, cx| {
11993 let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
11994 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
11995 Some(this.selection_replacement_ranges(range_utf16, cx))
11996 } else {
11997 this.marked_text_ranges(cx)
11998 };
11999
12000 let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
12001 let newest_selection_id = this.selections.newest_anchor().id;
12002 this.selections
12003 .all::<OffsetUtf16>(cx)
12004 .iter()
12005 .zip(ranges_to_replace.iter())
12006 .find_map(|(selection, range)| {
12007 if selection.id == newest_selection_id {
12008 Some(
12009 (range.start.0 as isize - selection.head().0 as isize)
12010 ..(range.end.0 as isize - selection.head().0 as isize),
12011 )
12012 } else {
12013 None
12014 }
12015 })
12016 });
12017
12018 cx.emit(EditorEvent::InputHandled {
12019 utf16_range_to_replace: range_to_replace,
12020 text: text.into(),
12021 });
12022
12023 if let Some(new_selected_ranges) = new_selected_ranges {
12024 this.change_selections(None, cx, |selections| {
12025 selections.select_ranges(new_selected_ranges)
12026 });
12027 this.backspace(&Default::default(), cx);
12028 }
12029
12030 this.handle_input(text, cx);
12031 });
12032
12033 if let Some(transaction) = self.ime_transaction {
12034 self.buffer.update(cx, |buffer, cx| {
12035 buffer.group_until_transaction(transaction, cx);
12036 });
12037 }
12038
12039 self.unmark_text(cx);
12040 }
12041
12042 fn replace_and_mark_text_in_range(
12043 &mut self,
12044 range_utf16: Option<Range<usize>>,
12045 text: &str,
12046 new_selected_range_utf16: Option<Range<usize>>,
12047 cx: &mut ViewContext<Self>,
12048 ) {
12049 if !self.input_enabled {
12050 return;
12051 }
12052
12053 let transaction = self.transact(cx, |this, cx| {
12054 let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
12055 let snapshot = this.buffer.read(cx).read(cx);
12056 if let Some(relative_range_utf16) = range_utf16.as_ref() {
12057 for marked_range in &mut marked_ranges {
12058 marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
12059 marked_range.start.0 += relative_range_utf16.start;
12060 marked_range.start =
12061 snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
12062 marked_range.end =
12063 snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
12064 }
12065 }
12066 Some(marked_ranges)
12067 } else if let Some(range_utf16) = range_utf16 {
12068 let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
12069 Some(this.selection_replacement_ranges(range_utf16, cx))
12070 } else {
12071 None
12072 };
12073
12074 let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
12075 let newest_selection_id = this.selections.newest_anchor().id;
12076 this.selections
12077 .all::<OffsetUtf16>(cx)
12078 .iter()
12079 .zip(ranges_to_replace.iter())
12080 .find_map(|(selection, range)| {
12081 if selection.id == newest_selection_id {
12082 Some(
12083 (range.start.0 as isize - selection.head().0 as isize)
12084 ..(range.end.0 as isize - selection.head().0 as isize),
12085 )
12086 } else {
12087 None
12088 }
12089 })
12090 });
12091
12092 cx.emit(EditorEvent::InputHandled {
12093 utf16_range_to_replace: range_to_replace,
12094 text: text.into(),
12095 });
12096
12097 if let Some(ranges) = ranges_to_replace {
12098 this.change_selections(None, cx, |s| s.select_ranges(ranges));
12099 }
12100
12101 let marked_ranges = {
12102 let snapshot = this.buffer.read(cx).read(cx);
12103 this.selections
12104 .disjoint_anchors()
12105 .iter()
12106 .map(|selection| {
12107 selection.start.bias_left(&snapshot)..selection.end.bias_right(&snapshot)
12108 })
12109 .collect::<Vec<_>>()
12110 };
12111
12112 if text.is_empty() {
12113 this.unmark_text(cx);
12114 } else {
12115 this.highlight_text::<InputComposition>(
12116 marked_ranges.clone(),
12117 HighlightStyle {
12118 underline: Some(UnderlineStyle {
12119 thickness: px(1.),
12120 color: None,
12121 wavy: false,
12122 }),
12123 ..Default::default()
12124 },
12125 cx,
12126 );
12127 }
12128
12129 // Disable auto-closing when composing text (i.e. typing a `"` on a Brazilian keyboard)
12130 let use_autoclose = this.use_autoclose;
12131 this.set_use_autoclose(false);
12132 this.handle_input(text, cx);
12133 this.set_use_autoclose(use_autoclose);
12134
12135 if let Some(new_selected_range) = new_selected_range_utf16 {
12136 let snapshot = this.buffer.read(cx).read(cx);
12137 let new_selected_ranges = marked_ranges
12138 .into_iter()
12139 .map(|marked_range| {
12140 let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
12141 let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
12142 let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
12143 snapshot.clip_offset_utf16(new_start, Bias::Left)
12144 ..snapshot.clip_offset_utf16(new_end, Bias::Right)
12145 })
12146 .collect::<Vec<_>>();
12147
12148 drop(snapshot);
12149 this.change_selections(None, cx, |selections| {
12150 selections.select_ranges(new_selected_ranges)
12151 });
12152 }
12153 });
12154
12155 self.ime_transaction = self.ime_transaction.or(transaction);
12156 if let Some(transaction) = self.ime_transaction {
12157 self.buffer.update(cx, |buffer, cx| {
12158 buffer.group_until_transaction(transaction, cx);
12159 });
12160 }
12161
12162 if self.text_highlights::<InputComposition>(cx).is_none() {
12163 self.ime_transaction.take();
12164 }
12165 }
12166
12167 fn bounds_for_range(
12168 &mut self,
12169 range_utf16: Range<usize>,
12170 element_bounds: gpui::Bounds<Pixels>,
12171 cx: &mut ViewContext<Self>,
12172 ) -> Option<gpui::Bounds<Pixels>> {
12173 let text_layout_details = self.text_layout_details(cx);
12174 let style = &text_layout_details.editor_style;
12175 let font_id = cx.text_system().resolve_font(&style.text.font());
12176 let font_size = style.text.font_size.to_pixels(cx.rem_size());
12177 let line_height = style.text.line_height_in_pixels(cx.rem_size());
12178 let em_width = cx
12179 .text_system()
12180 .typographic_bounds(font_id, font_size, 'm')
12181 .unwrap()
12182 .size
12183 .width;
12184
12185 let snapshot = self.snapshot(cx);
12186 let scroll_position = snapshot.scroll_position();
12187 let scroll_left = scroll_position.x * em_width;
12188
12189 let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
12190 let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
12191 + self.gutter_dimensions.width;
12192 let y = line_height * (start.row().as_f32() - scroll_position.y);
12193
12194 Some(Bounds {
12195 origin: element_bounds.origin + point(x, y),
12196 size: size(em_width, line_height),
12197 })
12198 }
12199}
12200
12201trait SelectionExt {
12202 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
12203 fn spanned_rows(
12204 &self,
12205 include_end_if_at_line_start: bool,
12206 map: &DisplaySnapshot,
12207 ) -> Range<MultiBufferRow>;
12208}
12209
12210impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
12211 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
12212 let start = self
12213 .start
12214 .to_point(&map.buffer_snapshot)
12215 .to_display_point(map);
12216 let end = self
12217 .end
12218 .to_point(&map.buffer_snapshot)
12219 .to_display_point(map);
12220 if self.reversed {
12221 end..start
12222 } else {
12223 start..end
12224 }
12225 }
12226
12227 fn spanned_rows(
12228 &self,
12229 include_end_if_at_line_start: bool,
12230 map: &DisplaySnapshot,
12231 ) -> Range<MultiBufferRow> {
12232 let start = self.start.to_point(&map.buffer_snapshot);
12233 let mut end = self.end.to_point(&map.buffer_snapshot);
12234 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
12235 end.row -= 1;
12236 }
12237
12238 let buffer_start = map.prev_line_boundary(start).0;
12239 let buffer_end = map.next_line_boundary(end).0;
12240 MultiBufferRow(buffer_start.row)..MultiBufferRow(buffer_end.row + 1)
12241 }
12242}
12243
12244impl<T: InvalidationRegion> InvalidationStack<T> {
12245 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
12246 where
12247 S: Clone + ToOffset,
12248 {
12249 while let Some(region) = self.last() {
12250 let all_selections_inside_invalidation_ranges =
12251 if selections.len() == region.ranges().len() {
12252 selections
12253 .iter()
12254 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
12255 .all(|(selection, invalidation_range)| {
12256 let head = selection.head().to_offset(buffer);
12257 invalidation_range.start <= head && invalidation_range.end >= head
12258 })
12259 } else {
12260 false
12261 };
12262
12263 if all_selections_inside_invalidation_ranges {
12264 break;
12265 } else {
12266 self.pop();
12267 }
12268 }
12269 }
12270}
12271
12272impl<T> Default for InvalidationStack<T> {
12273 fn default() -> Self {
12274 Self(Default::default())
12275 }
12276}
12277
12278impl<T> Deref for InvalidationStack<T> {
12279 type Target = Vec<T>;
12280
12281 fn deref(&self) -> &Self::Target {
12282 &self.0
12283 }
12284}
12285
12286impl<T> DerefMut for InvalidationStack<T> {
12287 fn deref_mut(&mut self) -> &mut Self::Target {
12288 &mut self.0
12289 }
12290}
12291
12292impl InvalidationRegion for SnippetState {
12293 fn ranges(&self) -> &[Range<Anchor>] {
12294 &self.ranges[self.active_index]
12295 }
12296}
12297
12298pub fn diagnostic_block_renderer(diagnostic: Diagnostic, _is_valid: bool) -> RenderBlock {
12299 let (text_without_backticks, code_ranges) = highlight_diagnostic_message(&diagnostic);
12300
12301 Box::new(move |cx: &mut BlockContext| {
12302 let group_id: SharedString = cx.block_id.to_string().into();
12303
12304 let mut text_style = cx.text_style().clone();
12305 text_style.color = diagnostic_style(diagnostic.severity, true, cx.theme().status());
12306 let theme_settings = ThemeSettings::get_global(cx);
12307 text_style.font_family = theme_settings.buffer_font.family.clone();
12308 text_style.font_style = theme_settings.buffer_font.style;
12309 text_style.font_features = theme_settings.buffer_font.features.clone();
12310 text_style.font_weight = theme_settings.buffer_font.weight;
12311
12312 let multi_line_diagnostic = diagnostic.message.contains('\n');
12313
12314 let buttons = |diagnostic: &Diagnostic, block_id: usize| {
12315 if multi_line_diagnostic {
12316 v_flex()
12317 } else {
12318 h_flex()
12319 }
12320 .children(diagnostic.is_primary.then(|| {
12321 IconButton::new(("close-block", block_id), IconName::XCircle)
12322 .icon_color(Color::Muted)
12323 .size(ButtonSize::Compact)
12324 .style(ButtonStyle::Transparent)
12325 .visible_on_hover(group_id.clone())
12326 .on_click(move |_click, cx| cx.dispatch_action(Box::new(Cancel)))
12327 .tooltip(|cx| Tooltip::for_action("Close Diagnostics", &Cancel, cx))
12328 }))
12329 .child(
12330 IconButton::new(("copy-block", block_id), IconName::Copy)
12331 .icon_color(Color::Muted)
12332 .size(ButtonSize::Compact)
12333 .style(ButtonStyle::Transparent)
12334 .visible_on_hover(group_id.clone())
12335 .on_click({
12336 let message = diagnostic.message.clone();
12337 move |_click, cx| cx.write_to_clipboard(ClipboardItem::new(message.clone()))
12338 })
12339 .tooltip(|cx| Tooltip::text("Copy diagnostic message", cx)),
12340 )
12341 };
12342
12343 let icon_size = buttons(&diagnostic, cx.block_id)
12344 .into_any_element()
12345 .layout_as_root(AvailableSpace::min_size(), cx);
12346
12347 h_flex()
12348 .id(cx.block_id)
12349 .group(group_id.clone())
12350 .relative()
12351 .size_full()
12352 .pl(cx.gutter_dimensions.width)
12353 .w(cx.max_width + cx.gutter_dimensions.width)
12354 .child(
12355 div()
12356 .flex()
12357 .w(cx.anchor_x - cx.gutter_dimensions.width - icon_size.width)
12358 .flex_shrink(),
12359 )
12360 .child(buttons(&diagnostic, cx.block_id))
12361 .child(div().flex().flex_shrink_0().child(
12362 StyledText::new(text_without_backticks.clone()).with_highlights(
12363 &text_style,
12364 code_ranges.iter().map(|range| {
12365 (
12366 range.clone(),
12367 HighlightStyle {
12368 font_weight: Some(FontWeight::BOLD),
12369 ..Default::default()
12370 },
12371 )
12372 }),
12373 ),
12374 ))
12375 .into_any_element()
12376 })
12377}
12378
12379pub fn highlight_diagnostic_message(diagnostic: &Diagnostic) -> (SharedString, Vec<Range<usize>>) {
12380 let mut text_without_backticks = String::new();
12381 let mut code_ranges = Vec::new();
12382
12383 if let Some(source) = &diagnostic.source {
12384 text_without_backticks.push_str(&source);
12385 code_ranges.push(0..source.len());
12386 text_without_backticks.push_str(": ");
12387 }
12388
12389 let mut prev_offset = 0;
12390 let mut in_code_block = false;
12391 for (ix, _) in diagnostic
12392 .message
12393 .match_indices('`')
12394 .chain([(diagnostic.message.len(), "")])
12395 {
12396 let prev_len = text_without_backticks.len();
12397 text_without_backticks.push_str(&diagnostic.message[prev_offset..ix]);
12398 prev_offset = ix + 1;
12399 if in_code_block {
12400 code_ranges.push(prev_len..text_without_backticks.len());
12401 in_code_block = false;
12402 } else {
12403 in_code_block = true;
12404 }
12405 }
12406
12407 (text_without_backticks.into(), code_ranges)
12408}
12409
12410fn diagnostic_style(severity: DiagnosticSeverity, valid: bool, colors: &StatusColors) -> Hsla {
12411 match (severity, valid) {
12412 (DiagnosticSeverity::ERROR, true) => colors.error,
12413 (DiagnosticSeverity::ERROR, false) => colors.error,
12414 (DiagnosticSeverity::WARNING, true) => colors.warning,
12415 (DiagnosticSeverity::WARNING, false) => colors.warning,
12416 (DiagnosticSeverity::INFORMATION, true) => colors.info,
12417 (DiagnosticSeverity::INFORMATION, false) => colors.info,
12418 (DiagnosticSeverity::HINT, true) => colors.info,
12419 (DiagnosticSeverity::HINT, false) => colors.info,
12420 _ => colors.ignored,
12421 }
12422}
12423
12424pub fn styled_runs_for_code_label<'a>(
12425 label: &'a CodeLabel,
12426 syntax_theme: &'a theme::SyntaxTheme,
12427) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
12428 let fade_out = HighlightStyle {
12429 fade_out: Some(0.35),
12430 ..Default::default()
12431 };
12432
12433 let mut prev_end = label.filter_range.end;
12434 label
12435 .runs
12436 .iter()
12437 .enumerate()
12438 .flat_map(move |(ix, (range, highlight_id))| {
12439 let style = if let Some(style) = highlight_id.style(syntax_theme) {
12440 style
12441 } else {
12442 return Default::default();
12443 };
12444 let mut muted_style = style;
12445 muted_style.highlight(fade_out);
12446
12447 let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
12448 if range.start >= label.filter_range.end {
12449 if range.start > prev_end {
12450 runs.push((prev_end..range.start, fade_out));
12451 }
12452 runs.push((range.clone(), muted_style));
12453 } else if range.end <= label.filter_range.end {
12454 runs.push((range.clone(), style));
12455 } else {
12456 runs.push((range.start..label.filter_range.end, style));
12457 runs.push((label.filter_range.end..range.end, muted_style));
12458 }
12459 prev_end = cmp::max(prev_end, range.end);
12460
12461 if ix + 1 == label.runs.len() && label.text.len() > prev_end {
12462 runs.push((prev_end..label.text.len(), fade_out));
12463 }
12464
12465 runs
12466 })
12467}
12468
12469pub(crate) fn split_words(text: &str) -> impl std::iter::Iterator<Item = &str> + '_ {
12470 let mut prev_index = 0;
12471 let mut prev_codepoint: Option<char> = None;
12472 text.char_indices()
12473 .chain([(text.len(), '\0')])
12474 .filter_map(move |(index, codepoint)| {
12475 let prev_codepoint = prev_codepoint.replace(codepoint)?;
12476 let is_boundary = index == text.len()
12477 || !prev_codepoint.is_uppercase() && codepoint.is_uppercase()
12478 || !prev_codepoint.is_alphanumeric() && codepoint.is_alphanumeric();
12479 if is_boundary {
12480 let chunk = &text[prev_index..index];
12481 prev_index = index;
12482 Some(chunk)
12483 } else {
12484 None
12485 }
12486 })
12487}
12488
12489trait RangeToAnchorExt {
12490 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
12491}
12492
12493impl<T: ToOffset> RangeToAnchorExt for Range<T> {
12494 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
12495 let start_offset = self.start.to_offset(snapshot);
12496 let end_offset = self.end.to_offset(snapshot);
12497 if start_offset == end_offset {
12498 snapshot.anchor_before(start_offset)..snapshot.anchor_before(end_offset)
12499 } else {
12500 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
12501 }
12502 }
12503}
12504
12505pub trait RowExt {
12506 fn as_f32(&self) -> f32;
12507
12508 fn next_row(&self) -> Self;
12509
12510 fn previous_row(&self) -> Self;
12511
12512 fn minus(&self, other: Self) -> u32;
12513}
12514
12515impl RowExt for DisplayRow {
12516 fn as_f32(&self) -> f32 {
12517 self.0 as f32
12518 }
12519
12520 fn next_row(&self) -> Self {
12521 Self(self.0 + 1)
12522 }
12523
12524 fn previous_row(&self) -> Self {
12525 Self(self.0.saturating_sub(1))
12526 }
12527
12528 fn minus(&self, other: Self) -> u32 {
12529 self.0 - other.0
12530 }
12531}
12532
12533impl RowExt for MultiBufferRow {
12534 fn as_f32(&self) -> f32 {
12535 self.0 as f32
12536 }
12537
12538 fn next_row(&self) -> Self {
12539 Self(self.0 + 1)
12540 }
12541
12542 fn previous_row(&self) -> Self {
12543 Self(self.0.saturating_sub(1))
12544 }
12545
12546 fn minus(&self, other: Self) -> u32 {
12547 self.0 - other.0
12548 }
12549}
12550
12551trait RowRangeExt {
12552 type Row;
12553
12554 fn len(&self) -> usize;
12555
12556 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = Self::Row>;
12557}
12558
12559impl RowRangeExt for Range<MultiBufferRow> {
12560 type Row = MultiBufferRow;
12561
12562 fn len(&self) -> usize {
12563 (self.end.0 - self.start.0) as usize
12564 }
12565
12566 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = MultiBufferRow> {
12567 (self.start.0..self.end.0).map(MultiBufferRow)
12568 }
12569}
12570
12571impl RowRangeExt for Range<DisplayRow> {
12572 type Row = DisplayRow;
12573
12574 fn len(&self) -> usize {
12575 (self.end.0 - self.start.0) as usize
12576 }
12577
12578 fn iter_rows(&self) -> impl DoubleEndedIterator<Item = DisplayRow> {
12579 (self.start.0..self.end.0).map(DisplayRow)
12580 }
12581}
12582
12583fn hunk_status(hunk: &DiffHunk<MultiBufferRow>) -> DiffHunkStatus {
12584 if hunk.diff_base_byte_range.is_empty() {
12585 DiffHunkStatus::Added
12586 } else if hunk.associated_range.is_empty() {
12587 DiffHunkStatus::Removed
12588 } else {
12589 DiffHunkStatus::Modified
12590 }
12591}