1#![allow(unused)]
2mod blink_manager;
3pub mod display_map;
4mod editor_settings;
5mod element;
6mod inlay_hint_cache;
7
8mod git;
9mod highlight_matching_bracket;
10mod hover_popover;
11pub mod items;
12mod link_go_to_definition;
13mod mouse_context_menu;
14pub mod movement;
15mod persistence;
16pub mod scroll;
17pub mod selections_collection;
18
19#[cfg(test)]
20mod editor_tests;
21#[cfg(any(test, feature = "test-support"))]
22pub mod test;
23use aho_corasick::AhoCorasick;
24use anyhow::{Context as _, Result};
25use blink_manager::BlinkManager;
26use client::{ClickhouseEvent, Client, Collaborator, ParticipantIndex, TelemetrySettings};
27use clock::ReplicaId;
28use collections::{BTreeMap, HashMap, HashSet, VecDeque};
29use copilot::Copilot;
30pub use display_map::DisplayPoint;
31use display_map::*;
32pub use editor_settings::EditorSettings;
33pub use element::{
34 Cursor, EditorElement, HighlightedRange, HighlightedRangeLine, LineWithInvisibles,
35};
36use futures::FutureExt;
37use fuzzy::{StringMatch, StringMatchCandidate};
38use gpui::{
39 div, px, AnyElement, AppContext, BackgroundExecutor, Context, Div, Element, EventEmitter,
40 FocusHandle, FontStyle, FontWeight, Hsla, Model, Pixels, Render, Styled, Subscription, Task,
41 TextStyle, View, ViewContext, VisualContext, WeakView, WindowContext,
42};
43use highlight_matching_bracket::refresh_matching_bracket_highlights;
44use hover_popover::{hide_hover, HoverState};
45use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
46pub use items::MAX_TAB_TITLE_LEN;
47use itertools::Itertools;
48pub use language::{char_kind, CharKind};
49use language::{
50 language_settings::{self, all_language_settings, InlayHintSettings},
51 point_from_lsp, AutoindentMode, BracketPair, Buffer, CodeAction, Completion, CursorShape,
52 Diagnostic, Language, LanguageRegistry, LanguageServerName, OffsetRangeExt, Point, Selection,
53 SelectionGoal, TransactionId,
54};
55use link_go_to_definition::{GoToDefinitionLink, InlayHighlight, LinkGoToDefinitionState};
56use lsp::{DiagnosticSeverity, Documentation, LanguageServerId};
57pub use multi_buffer::{
58 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
59 ToPoint,
60};
61use ordered_float::OrderedFloat;
62use parking_lot::RwLock;
63use project::{FormatTrigger, Location, Project};
64use rpc::proto::*;
65use scroll::{
66 autoscroll::Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide,
67};
68use selections_collection::{MutableSelectionsCollection, SelectionsCollection};
69use serde::{Deserialize, Serialize};
70use settings::{Settings, SettingsStore};
71use smallvec::SmallVec;
72use std::{
73 any::TypeId,
74 borrow::Cow,
75 cmp::{self, Ordering, Reverse},
76 ops::{ControlFlow, Deref, DerefMut, Range},
77 path::Path,
78 sync::Arc,
79 time::{Duration, Instant},
80};
81pub use sum_tree::Bias;
82use sum_tree::TreeMap;
83use text::Rope;
84use theme::{ActiveTheme, PlayerColor, ThemeColors, ThemeSettings, ThemeVariant};
85use util::{post_inc, RangeExt, ResultExt, TryFutureExt};
86use workspace::{ItemNavHistory, SplitDirection, ViewId, Workspace};
87
88const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
89const MAX_LINE_LEN: usize = 1024;
90const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
91const MAX_SELECTION_HISTORY_LEN: usize = 1024;
92const COPILOT_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
93pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
94pub const DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
95
96pub const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
97
98// pub fn render_parsed_markdown<Tag: 'static>(
99// parsed: &language::ParsedMarkdown,
100// editor_style: &EditorStyle,
101// workspace: Option<WeakView<Workspace>>,
102// cx: &mut ViewContext<Editor>,
103// ) -> Text {
104// enum RenderedMarkdown {}
105
106// let parsed = parsed.clone();
107// let view_id = cx.view_id();
108// let code_span_background_color = editor_style.document_highlight_read_background;
109
110// let mut region_id = 0;
111
112// todo!()
113// // Text::new(parsed.text, editor_style.text.clone())
114// // .with_highlights(
115// // parsed
116// // .highlights
117// // .iter()
118// // .filter_map(|(range, highlight)| {
119// // let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
120// // Some((range.clone(), highlight))
121// // })
122// // .collect::<Vec<_>>(),
123// // )
124// // .with_custom_runs(parsed.region_ranges, move |ix, bounds, cx| {
125// // region_id += 1;
126// // let region = parsed.regions[ix].clone();
127
128// // if let Some(link) = region.link {
129// // cx.scene().push_cursor_region(CursorRegion {
130// // bounds,
131// // style: CursorStyle::PointingHand,
132// // });
133// // cx.scene().push_mouse_region(
134// // MouseRegion::new::<(RenderedMarkdown, Tag)>(view_id, region_id, bounds)
135// // .on_down::<Editor, _>(MouseButton::Left, move |_, _, cx| match &link {
136// // markdown::Link::Web { url } => cx.platform().open_url(url),
137// // markdown::Link::Path { path } => {
138// // if let Some(workspace) = &workspace {
139// // _ = workspace.update(cx, |workspace, cx| {
140// // workspace.open_abs_path(path.clone(), false, cx).detach();
141// // });
142// // }
143// // }
144// // }),
145// // );
146// // }
147
148// // if region.code {
149// // cx.draw_quad(Quad {
150// // bounds,
151// // background: Some(code_span_background_color),
152// // corner_radii: (2.0).into(),
153// // order: todo!(),
154// // content_mask: todo!(),
155// // border_color: todo!(),
156// // border_widths: todo!(),
157// // });
158// // }
159// // })
160// // .with_soft_wrap(true)
161// }
162
163#[derive(Clone, Deserialize, PartialEq, Default)]
164pub struct SelectNext {
165 #[serde(default)]
166 pub replace_newest: bool,
167}
168
169#[derive(Clone, Deserialize, PartialEq, Default)]
170pub struct SelectPrevious {
171 #[serde(default)]
172 pub replace_newest: bool,
173}
174
175#[derive(Clone, Deserialize, PartialEq, Default)]
176pub struct SelectAllMatches {
177 #[serde(default)]
178 pub replace_newest: bool,
179}
180
181#[derive(Clone, Deserialize, PartialEq)]
182pub struct SelectToBeginningOfLine {
183 #[serde(default)]
184 stop_at_soft_wraps: bool,
185}
186
187#[derive(Clone, Default, Deserialize, PartialEq)]
188pub struct MovePageUp {
189 #[serde(default)]
190 center_cursor: bool,
191}
192
193#[derive(Clone, Default, Deserialize, PartialEq)]
194pub struct MovePageDown {
195 #[serde(default)]
196 center_cursor: bool,
197}
198
199#[derive(Clone, Deserialize, PartialEq)]
200pub struct SelectToEndOfLine {
201 #[serde(default)]
202 stop_at_soft_wraps: bool,
203}
204
205#[derive(Clone, Deserialize, PartialEq)]
206pub struct ToggleCodeActions {
207 #[serde(default)]
208 pub deployed_from_indicator: bool,
209}
210
211#[derive(Clone, Default, Deserialize, PartialEq)]
212pub struct ConfirmCompletion {
213 #[serde(default)]
214 pub item_ix: Option<usize>,
215}
216
217#[derive(Clone, Default, Deserialize, PartialEq)]
218pub struct ConfirmCodeAction {
219 #[serde(default)]
220 pub item_ix: Option<usize>,
221}
222
223#[derive(Clone, Default, Deserialize, PartialEq)]
224pub struct ToggleComments {
225 #[serde(default)]
226 pub advance_downwards: bool,
227}
228
229#[derive(Clone, Default, Deserialize, PartialEq)]
230pub struct FoldAt {
231 pub buffer_row: u32,
232}
233
234#[derive(Clone, Default, Deserialize, PartialEq)]
235pub struct UnfoldAt {
236 pub buffer_row: u32,
237}
238
239#[derive(Clone, Default, Deserialize, PartialEq)]
240pub struct GutterHover {
241 pub hovered: bool,
242}
243
244#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
245pub enum InlayId {
246 Suggestion(usize),
247 Hint(usize),
248}
249
250impl InlayId {
251 fn id(&self) -> usize {
252 match self {
253 Self::Suggestion(id) => *id,
254 Self::Hint(id) => *id,
255 }
256 }
257}
258
259// actions!(
260// editor,
261// [
262// Cancel,
263// Backspace,
264// Delete,
265// Newline,
266// NewlineAbove,
267// NewlineBelow,
268// GoToDiagnostic,
269// GoToPrevDiagnostic,
270// GoToHunk,
271// GoToPrevHunk,
272// Indent,
273// Outdent,
274// DeleteLine,
275// DeleteToPreviousWordStart,
276// DeleteToPreviousSubwordStart,
277// DeleteToNextWordEnd,
278// DeleteToNextSubwordEnd,
279// DeleteToBeginningOfLine,
280// DeleteToEndOfLine,
281// CutToEndOfLine,
282// DuplicateLine,
283// MoveLineUp,
284// MoveLineDown,
285// JoinLines,
286// SortLinesCaseSensitive,
287// SortLinesCaseInsensitive,
288// ReverseLines,
289// ShuffleLines,
290// ConvertToUpperCase,
291// ConvertToLowerCase,
292// ConvertToTitleCase,
293// ConvertToSnakeCase,
294// ConvertToKebabCase,
295// ConvertToUpperCamelCase,
296// ConvertToLowerCamelCase,
297// Transpose,
298// Cut,
299// Copy,
300// Paste,
301// Undo,
302// Redo,
303// MoveUp,
304// PageUp,
305// MoveDown,
306// PageDown,
307// MoveLeft,
308// MoveRight,
309// MoveToPreviousWordStart,
310// MoveToPreviousSubwordStart,
311// MoveToNextWordEnd,
312// MoveToNextSubwordEnd,
313// MoveToBeginningOfLine,
314// MoveToEndOfLine,
315// MoveToStartOfParagraph,
316// MoveToEndOfParagraph,
317// MoveToBeginning,
318// MoveToEnd,
319// SelectUp,
320// SelectDown,
321// SelectLeft,
322// SelectRight,
323// SelectToPreviousWordStart,
324// SelectToPreviousSubwordStart,
325// SelectToNextWordEnd,
326// SelectToNextSubwordEnd,
327// SelectToStartOfParagraph,
328// SelectToEndOfParagraph,
329// SelectToBeginning,
330// SelectToEnd,
331// SelectAll,
332// SelectLine,
333// SplitSelectionIntoLines,
334// AddSelectionAbove,
335// AddSelectionBelow,
336// Tab,
337// TabPrev,
338// ShowCharacterPalette,
339// SelectLargerSyntaxNode,
340// SelectSmallerSyntaxNode,
341// GoToDefinition,
342// GoToDefinitionSplit,
343// GoToTypeDefinition,
344// GoToTypeDefinitionSplit,
345// MoveToEnclosingBracket,
346// UndoSelection,
347// RedoSelection,
348// FindAllReferences,
349// Rename,
350// ConfirmRename,
351// Fold,
352// UnfoldLines,
353// FoldSelectedRanges,
354// ShowCompletions,
355// OpenExcerpts,
356// RestartLanguageServer,
357// Hover,
358// Format,
359// ToggleSoftWrap,
360// ToggleInlayHints,
361// RevealInFinder,
362// CopyPath,
363// CopyRelativePath,
364// CopyHighlightJson,
365// ContextMenuFirst,
366// ContextMenuPrev,
367// ContextMenuNext,
368// ContextMenuLast,
369// ]
370// );
371
372// impl_actions!(
373// editor,
374// [
375// SelectNext,
376// SelectPrevious,
377// SelectAllMatches,
378// SelectToBeginningOfLine,
379// SelectToEndOfLine,
380// ToggleCodeActions,
381// MovePageUp,
382// MovePageDown,
383// ConfirmCompletion,
384// ConfirmCodeAction,
385// ToggleComments,
386// FoldAt,
387// UnfoldAt,
388// GutterHover
389// ]
390// );
391
392// todo!(revisit these actions)
393pub struct ShowCompletions;
394pub struct Rename;
395pub struct GoToDefinition;
396pub struct GoToTypeDefinition;
397pub struct GoToDefinitionSplit;
398pub struct GoToTypeDefinitionSplit;
399
400enum DocumentHighlightRead {}
401enum DocumentHighlightWrite {}
402enum InputComposition {}
403
404#[derive(Copy, Clone, PartialEq, Eq)]
405pub enum Direction {
406 Prev,
407 Next,
408}
409
410pub fn init_settings(cx: &mut AppContext) {
411 EditorSettings::register(cx);
412}
413
414pub fn init(cx: &mut AppContext) {
415 init_settings(cx);
416 // cx.add_action(Editor::new_file);
417 // cx.add_action(Editor::new_file_in_direction);
418 // cx.add_action(Editor::cancel);
419 // cx.add_action(Editor::newline);
420 // cx.add_action(Editor::newline_above);
421 // cx.add_action(Editor::newline_below);
422 // cx.add_action(Editor::backspace);
423 // cx.add_action(Editor::delete);
424 // cx.add_action(Editor::tab);
425 // cx.add_action(Editor::tab_prev);
426 // cx.add_action(Editor::indent);
427 // cx.add_action(Editor::outdent);
428 // cx.add_action(Editor::delete_line);
429 // cx.add_action(Editor::join_lines);
430 // cx.add_action(Editor::sort_lines_case_sensitive);
431 // cx.add_action(Editor::sort_lines_case_insensitive);
432 // cx.add_action(Editor::reverse_lines);
433 // cx.add_action(Editor::shuffle_lines);
434 // cx.add_action(Editor::convert_to_upper_case);
435 // cx.add_action(Editor::convert_to_lower_case);
436 // cx.add_action(Editor::convert_to_title_case);
437 // cx.add_action(Editor::convert_to_snake_case);
438 // cx.add_action(Editor::convert_to_kebab_case);
439 // cx.add_action(Editor::convert_to_upper_camel_case);
440 // cx.add_action(Editor::convert_to_lower_camel_case);
441 // cx.add_action(Editor::delete_to_previous_word_start);
442 // cx.add_action(Editor::delete_to_previous_subword_start);
443 // cx.add_action(Editor::delete_to_next_word_end);
444 // cx.add_action(Editor::delete_to_next_subword_end);
445 // cx.add_action(Editor::delete_to_beginning_of_line);
446 // cx.add_action(Editor::delete_to_end_of_line);
447 // cx.add_action(Editor::cut_to_end_of_line);
448 // cx.add_action(Editor::duplicate_line);
449 // cx.add_action(Editor::move_line_up);
450 // cx.add_action(Editor::move_line_down);
451 // cx.add_action(Editor::transpose);
452 // cx.add_action(Editor::cut);
453 // cx.add_action(Editor::copy);
454 // cx.add_action(Editor::paste);
455 // cx.add_action(Editor::undo);
456 // cx.add_action(Editor::redo);
457 // cx.add_action(Editor::move_up);
458 // cx.add_action(Editor::move_page_up);
459 // cx.add_action(Editor::move_down);
460 // cx.add_action(Editor::move_page_down);
461 // cx.add_action(Editor::next_screen);
462 // cx.add_action(Editor::move_left);
463 // cx.add_action(Editor::move_right);
464 // cx.add_action(Editor::move_to_previous_word_start);
465 // cx.add_action(Editor::move_to_previous_subword_start);
466 // cx.add_action(Editor::move_to_next_word_end);
467 // cx.add_action(Editor::move_to_next_subword_end);
468 // cx.add_action(Editor::move_to_beginning_of_line);
469 // cx.add_action(Editor::move_to_end_of_line);
470 // cx.add_action(Editor::move_to_start_of_paragraph);
471 // cx.add_action(Editor::move_to_end_of_paragraph);
472 // cx.add_action(Editor::move_to_beginning);
473 // cx.add_action(Editor::move_to_end);
474 // cx.add_action(Editor::select_up);
475 // cx.add_action(Editor::select_down);
476 // cx.add_action(Editor::select_left);
477 // cx.add_action(Editor::select_right);
478 // cx.add_action(Editor::select_to_previous_word_start);
479 // cx.add_action(Editor::select_to_previous_subword_start);
480 // cx.add_action(Editor::select_to_next_word_end);
481 // cx.add_action(Editor::select_to_next_subword_end);
482 // cx.add_action(Editor::select_to_beginning_of_line);
483 // cx.add_action(Editor::select_to_end_of_line);
484 // cx.add_action(Editor::select_to_start_of_paragraph);
485 // cx.add_action(Editor::select_to_end_of_paragraph);
486 // cx.add_action(Editor::select_to_beginning);
487 // cx.add_action(Editor::select_to_end);
488 // cx.add_action(Editor::select_all);
489 // cx.add_action(Editor::select_all_matches);
490 // cx.add_action(Editor::select_line);
491 // cx.add_action(Editor::split_selection_into_lines);
492 // cx.add_action(Editor::add_selection_above);
493 // cx.add_action(Editor::add_selection_below);
494 // cx.add_action(Editor::select_next);
495 // cx.add_action(Editor::select_previous);
496 // cx.add_action(Editor::toggle_comments);
497 // cx.add_action(Editor::select_larger_syntax_node);
498 // cx.add_action(Editor::select_smaller_syntax_node);
499 // cx.add_action(Editor::move_to_enclosing_bracket);
500 // cx.add_action(Editor::undo_selection);
501 // cx.add_action(Editor::redo_selection);
502 // cx.add_action(Editor::go_to_diagnostic);
503 // cx.add_action(Editor::go_to_prev_diagnostic);
504 // cx.add_action(Editor::go_to_hunk);
505 // cx.add_action(Editor::go_to_prev_hunk);
506 // cx.add_action(Editor::go_to_definition);
507 // cx.add_action(Editor::go_to_definition_split);
508 // cx.add_action(Editor::go_to_type_definition);
509 // cx.add_action(Editor::go_to_type_definition_split);
510 // cx.add_action(Editor::fold);
511 // cx.add_action(Editor::fold_at);
512 // cx.add_action(Editor::unfold_lines);
513 // cx.add_action(Editor::unfold_at);
514 // cx.add_action(Editor::gutter_hover);
515 // cx.add_action(Editor::fold_selected_ranges);
516 // cx.add_action(Editor::show_completions);
517 // cx.add_action(Editor::toggle_code_actions);
518 // cx.add_action(Editor::open_excerpts);
519 // cx.add_action(Editor::toggle_soft_wrap);
520 // cx.add_action(Editor::toggle_inlay_hints);
521 // cx.add_action(Editor::reveal_in_finder);
522 // cx.add_action(Editor::copy_path);
523 // cx.add_action(Editor::copy_relative_path);
524 // cx.add_action(Editor::copy_highlight_json);
525 // cx.add_async_action(Editor::format);
526 // cx.add_action(Editor::restart_language_server);
527 // cx.add_action(Editor::show_character_palette);
528 // cx.add_async_action(Editor::confirm_completion);
529 // cx.add_async_action(Editor::confirm_code_action);
530 // cx.add_async_action(Editor::rename);
531 // cx.add_async_action(Editor::confirm_rename);
532 // cx.add_async_action(Editor::find_all_references);
533 // cx.add_action(Editor::next_copilot_suggestion);
534 // cx.add_action(Editor::previous_copilot_suggestion);
535 // cx.add_action(Editor::copilot_suggest);
536 // cx.add_action(Editor::context_menu_first);
537 // cx.add_action(Editor::context_menu_prev);
538 // cx.add_action(Editor::context_menu_next);
539 // cx.add_action(Editor::context_menu_last);
540
541 hover_popover::init(cx);
542 scroll::actions::init(cx);
543
544 workspace::register_project_item::<Editor>(cx);
545 workspace::register_followable_item::<Editor>(cx);
546 workspace::register_deserializable_item::<Editor>(cx);
547}
548
549trait InvalidationRegion {
550 fn ranges(&self) -> &[Range<Anchor>];
551}
552
553#[derive(Clone, Debug, PartialEq)]
554pub enum SelectPhase {
555 Begin {
556 position: DisplayPoint,
557 add: bool,
558 click_count: usize,
559 },
560 BeginColumnar {
561 position: DisplayPoint,
562 goal_column: u32,
563 },
564 Extend {
565 position: DisplayPoint,
566 click_count: usize,
567 },
568 Update {
569 position: DisplayPoint,
570 goal_column: u32,
571 scroll_position: gpui::Point<f32>,
572 },
573 End,
574}
575
576#[derive(Clone, Debug)]
577pub enum SelectMode {
578 Character,
579 Word(Range<Anchor>),
580 Line(Range<Anchor>),
581 All,
582}
583
584#[derive(Copy, Clone, PartialEq, Eq, Debug)]
585pub enum EditorMode {
586 SingleLine,
587 AutoHeight { max_lines: usize },
588 Full,
589}
590
591#[derive(Clone, Debug)]
592pub enum SoftWrap {
593 None,
594 EditorWidth,
595 Column(u32),
596}
597
598#[derive(Clone)]
599pub struct EditorStyle {
600 pub background: Hsla,
601 pub local_player: PlayerColor,
602 pub text: TextStyle,
603 pub line_height_scalar: f32,
604 pub scrollbar_width: Pixels,
605}
606
607type CompletionId = usize;
608
609// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
610// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
611
612type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<Range<Anchor>>);
613type InlayBackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<InlayHighlight>);
614
615pub struct Editor {
616 handle: WeakView<Self>,
617 focus_handle: FocusHandle,
618 buffer: Model<MultiBuffer>,
619 display_map: Model<DisplayMap>,
620 pub selections: SelectionsCollection,
621 pub scroll_manager: ScrollManager,
622 columnar_selection_tail: Option<Anchor>,
623 add_selections_state: Option<AddSelectionsState>,
624 select_next_state: Option<SelectNextState>,
625 select_prev_state: Option<SelectNextState>,
626 selection_history: SelectionHistory,
627 autoclose_regions: Vec<AutocloseRegion>,
628 snippet_stack: InvalidationStack<SnippetState>,
629 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
630 ime_transaction: Option<TransactionId>,
631 active_diagnostics: Option<ActiveDiagnosticGroup>,
632 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
633 // get_field_editor_theme: Option<Arc<GetFieldEditorTheme>>,
634 // override_text_style: Option<Box<OverrideTextStyle>>,
635 project: Option<Model<Project>>,
636 collaboration_hub: Option<Box<dyn CollaborationHub>>,
637 blink_manager: Model<BlinkManager>,
638 pub show_local_selections: bool,
639 mode: EditorMode,
640 show_gutter: bool,
641 show_wrap_guides: Option<bool>,
642 placeholder_text: Option<Arc<str>>,
643 highlighted_rows: Option<Range<u32>>,
644 background_highlights: BTreeMap<TypeId, BackgroundHighlight>,
645 inlay_background_highlights: TreeMap<Option<TypeId>, InlayBackgroundHighlight>,
646 nav_history: Option<ItemNavHistory>,
647 context_menu: RwLock<Option<ContextMenu>>,
648 // mouse_context_menu: View<context_menu::ContextMenu>,
649 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
650 next_completion_id: CompletionId,
651 available_code_actions: Option<(Model<Buffer>, Arc<[CodeAction]>)>,
652 code_actions_task: Option<Task<()>>,
653 document_highlights_task: Option<Task<()>>,
654 pending_rename: Option<RenameState>,
655 searchable: bool,
656 cursor_shape: CursorShape,
657 collapse_matches: bool,
658 autoindent_mode: Option<AutoindentMode>,
659 workspace: Option<(WeakView<Workspace>, i64)>,
660 // keymap_context_layers: BTreeMap<TypeId, KeymapContext>,
661 input_enabled: bool,
662 read_only: bool,
663 leader_peer_id: Option<PeerId>,
664 remote_id: Option<ViewId>,
665 hover_state: HoverState,
666 gutter_hovered: bool,
667 link_go_to_definition_state: LinkGoToDefinitionState,
668 copilot_state: CopilotState,
669 inlay_hint_cache: InlayHintCache,
670 next_inlay_id: usize,
671 _subscriptions: Vec<Subscription>,
672 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
673}
674
675pub struct EditorSnapshot {
676 pub mode: EditorMode,
677 pub show_gutter: bool,
678 pub display_snapshot: DisplaySnapshot,
679 pub placeholder_text: Option<Arc<str>>,
680 is_focused: bool,
681 scroll_anchor: ScrollAnchor,
682 ongoing_scroll: OngoingScroll,
683}
684
685pub struct RemoteSelection {
686 pub replica_id: ReplicaId,
687 pub selection: Selection<Anchor>,
688 pub cursor_shape: CursorShape,
689 pub peer_id: PeerId,
690 pub line_mode: bool,
691 pub participant_index: Option<ParticipantIndex>,
692}
693
694#[derive(Clone, Debug)]
695struct SelectionHistoryEntry {
696 selections: Arc<[Selection<Anchor>]>,
697 select_next_state: Option<SelectNextState>,
698 select_prev_state: Option<SelectNextState>,
699 add_selections_state: Option<AddSelectionsState>,
700}
701
702enum SelectionHistoryMode {
703 Normal,
704 Undoing,
705 Redoing,
706}
707
708impl Default for SelectionHistoryMode {
709 fn default() -> Self {
710 Self::Normal
711 }
712}
713
714#[derive(Default)]
715struct SelectionHistory {
716 #[allow(clippy::type_complexity)]
717 selections_by_transaction:
718 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
719 mode: SelectionHistoryMode,
720 undo_stack: VecDeque<SelectionHistoryEntry>,
721 redo_stack: VecDeque<SelectionHistoryEntry>,
722}
723
724impl SelectionHistory {
725 fn insert_transaction(
726 &mut self,
727 transaction_id: TransactionId,
728 selections: Arc<[Selection<Anchor>]>,
729 ) {
730 self.selections_by_transaction
731 .insert(transaction_id, (selections, None));
732 }
733
734 #[allow(clippy::type_complexity)]
735 fn transaction(
736 &self,
737 transaction_id: TransactionId,
738 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
739 self.selections_by_transaction.get(&transaction_id)
740 }
741
742 #[allow(clippy::type_complexity)]
743 fn transaction_mut(
744 &mut self,
745 transaction_id: TransactionId,
746 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
747 self.selections_by_transaction.get_mut(&transaction_id)
748 }
749
750 fn push(&mut self, entry: SelectionHistoryEntry) {
751 if !entry.selections.is_empty() {
752 match self.mode {
753 SelectionHistoryMode::Normal => {
754 self.push_undo(entry);
755 self.redo_stack.clear();
756 }
757 SelectionHistoryMode::Undoing => self.push_redo(entry),
758 SelectionHistoryMode::Redoing => self.push_undo(entry),
759 }
760 }
761 }
762
763 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
764 if self
765 .undo_stack
766 .back()
767 .map_or(true, |e| e.selections != entry.selections)
768 {
769 self.undo_stack.push_back(entry);
770 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
771 self.undo_stack.pop_front();
772 }
773 }
774 }
775
776 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
777 if self
778 .redo_stack
779 .back()
780 .map_or(true, |e| e.selections != entry.selections)
781 {
782 self.redo_stack.push_back(entry);
783 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
784 self.redo_stack.pop_front();
785 }
786 }
787 }
788}
789
790#[derive(Clone, Debug)]
791struct AddSelectionsState {
792 above: bool,
793 stack: Vec<usize>,
794}
795
796#[derive(Clone)]
797struct SelectNextState {
798 query: AhoCorasick,
799 wordwise: bool,
800 done: bool,
801}
802
803impl std::fmt::Debug for SelectNextState {
804 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
805 f.debug_struct(std::any::type_name::<Self>())
806 .field("wordwise", &self.wordwise)
807 .field("done", &self.done)
808 .finish()
809 }
810}
811
812#[derive(Debug)]
813struct AutocloseRegion {
814 selection_id: usize,
815 range: Range<Anchor>,
816 pair: BracketPair,
817}
818
819#[derive(Debug)]
820struct SnippetState {
821 ranges: Vec<Vec<Range<Anchor>>>,
822 active_index: usize,
823}
824
825pub struct RenameState {
826 pub range: Range<Anchor>,
827 pub old_name: Arc<str>,
828 pub editor: View<Editor>,
829 block_id: BlockId,
830}
831
832struct InvalidationStack<T>(Vec<T>);
833
834enum ContextMenu {
835 Completions(CompletionsMenu),
836 CodeActions(CodeActionsMenu),
837}
838
839impl ContextMenu {
840 fn select_first(
841 &mut self,
842 project: Option<&Model<Project>>,
843 cx: &mut ViewContext<Editor>,
844 ) -> bool {
845 if self.visible() {
846 match self {
847 ContextMenu::Completions(menu) => menu.select_first(project, cx),
848 ContextMenu::CodeActions(menu) => menu.select_first(cx),
849 }
850 true
851 } else {
852 false
853 }
854 }
855
856 fn select_prev(
857 &mut self,
858 project: Option<&Model<Project>>,
859 cx: &mut ViewContext<Editor>,
860 ) -> bool {
861 if self.visible() {
862 match self {
863 ContextMenu::Completions(menu) => menu.select_prev(project, cx),
864 ContextMenu::CodeActions(menu) => menu.select_prev(cx),
865 }
866 true
867 } else {
868 false
869 }
870 }
871
872 fn select_next(
873 &mut self,
874 project: Option<&Model<Project>>,
875 cx: &mut ViewContext<Editor>,
876 ) -> bool {
877 if self.visible() {
878 match self {
879 ContextMenu::Completions(menu) => menu.select_next(project, cx),
880 ContextMenu::CodeActions(menu) => menu.select_next(cx),
881 }
882 true
883 } else {
884 false
885 }
886 }
887
888 fn select_last(
889 &mut self,
890 project: Option<&Model<Project>>,
891 cx: &mut ViewContext<Editor>,
892 ) -> bool {
893 if self.visible() {
894 match self {
895 ContextMenu::Completions(menu) => menu.select_last(project, cx),
896 ContextMenu::CodeActions(menu) => menu.select_last(cx),
897 }
898 true
899 } else {
900 false
901 }
902 }
903
904 fn visible(&self) -> bool {
905 match self {
906 ContextMenu::Completions(menu) => menu.visible(),
907 ContextMenu::CodeActions(menu) => menu.visible(),
908 }
909 }
910
911 fn render(
912 &self,
913 cursor_position: DisplayPoint,
914 style: EditorStyle,
915 workspace: Option<WeakView<Workspace>>,
916 cx: &mut ViewContext<Editor>,
917 ) -> (DisplayPoint, AnyElement<Editor>) {
918 todo!()
919 // match self {
920 // ContextMenu::Completions(menu) => (cursor_position, menu.render(style, workspace, cx)),
921 // ContextMenu::CodeActions(menu) => menu.render(cursor_position, style, cx),
922 // }
923 }
924}
925
926#[derive(Clone)]
927struct CompletionsMenu {
928 id: CompletionId,
929 initial_position: Anchor,
930 buffer: Model<Buffer>,
931 completions: Arc<RwLock<Box<[Completion]>>>,
932 match_candidates: Arc<[StringMatchCandidate]>,
933 matches: Arc<[StringMatch]>,
934 selected_item: usize,
935 list: UniformListState,
936}
937
938// todo!(this is fake)
939#[derive(Clone, Default)]
940struct UniformListState;
941
942// todo!(this is fake)
943impl UniformListState {
944 pub fn scroll_to(&mut self, target: ScrollTarget) {}
945}
946
947// todo!(this is somewhat fake)
948#[derive(Debug)]
949pub enum ScrollTarget {
950 Show(usize),
951 Center(usize),
952}
953
954impl CompletionsMenu {
955 fn select_first(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
956 self.selected_item = 0;
957 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
958 self.attempt_resolve_selected_completion_documentation(project, cx);
959 cx.notify();
960 }
961
962 fn select_prev(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
963 if self.selected_item > 0 {
964 self.selected_item -= 1;
965 } else {
966 self.selected_item = self.matches.len() - 1;
967 }
968 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
969 self.attempt_resolve_selected_completion_documentation(project, cx);
970 cx.notify();
971 }
972
973 fn select_next(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
974 if self.selected_item + 1 < self.matches.len() {
975 self.selected_item += 1;
976 } else {
977 self.selected_item = 0;
978 }
979 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
980 self.attempt_resolve_selected_completion_documentation(project, cx);
981 cx.notify();
982 }
983
984 fn select_last(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
985 self.selected_item = self.matches.len() - 1;
986 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
987 self.attempt_resolve_selected_completion_documentation(project, cx);
988 cx.notify();
989 }
990
991 fn pre_resolve_completion_documentation(
992 &self,
993 project: Option<Model<Project>>,
994 cx: &mut ViewContext<Editor>,
995 ) {
996 todo!("implementation below ");
997 }
998 // ) {
999 // let settings = EditorSettings::get_global(cx);
1000 // if !settings.show_completion_documentation {
1001 // return;
1002 // }
1003
1004 // let Some(project) = project else {
1005 // return;
1006 // };
1007 // let client = project.read(cx).client();
1008 // let language_registry = project.read(cx).languages().clone();
1009
1010 // let is_remote = project.read(cx).is_remote();
1011 // let project_id = project.read(cx).remote_id();
1012
1013 // let completions = self.completions.clone();
1014 // let completion_indices: Vec<_> = self.matches.iter().map(|m| m.candidate_id).collect();
1015
1016 // cx.spawn(move |this, mut cx| async move {
1017 // if is_remote {
1018 // let Some(project_id) = project_id else {
1019 // log::error!("Remote project without remote_id");
1020 // return;
1021 // };
1022
1023 // for completion_index in completion_indices {
1024 // let completions_guard = completions.read();
1025 // let completion = &completions_guard[completion_index];
1026 // if completion.documentation.is_some() {
1027 // continue;
1028 // }
1029
1030 // let server_id = completion.server_id;
1031 // let completion = completion.lsp_completion.clone();
1032 // drop(completions_guard);
1033
1034 // Self::resolve_completion_documentation_remote(
1035 // project_id,
1036 // server_id,
1037 // completions.clone(),
1038 // completion_index,
1039 // completion,
1040 // client.clone(),
1041 // language_registry.clone(),
1042 // )
1043 // .await;
1044
1045 // _ = this.update(&mut cx, |_, cx| cx.notify());
1046 // }
1047 // } else {
1048 // for completion_index in completion_indices {
1049 // let completions_guard = completions.read();
1050 // let completion = &completions_guard[completion_index];
1051 // if completion.documentation.is_some() {
1052 // continue;
1053 // }
1054
1055 // let server_id = completion.server_id;
1056 // let completion = completion.lsp_completion.clone();
1057 // drop(completions_guard);
1058
1059 // let server = project.read_with(&mut cx, |project, _| {
1060 // project.language_server_for_id(server_id)
1061 // });
1062 // let Some(server) = server else {
1063 // return;
1064 // };
1065
1066 // Self::resolve_completion_documentation_local(
1067 // server,
1068 // completions.clone(),
1069 // completion_index,
1070 // completion,
1071 // language_registry.clone(),
1072 // )
1073 // .await;
1074
1075 // _ = this.update(&mut cx, |_, cx| cx.notify());
1076 // }
1077 // }
1078 // })
1079 // .detach();
1080 // }
1081
1082 fn attempt_resolve_selected_completion_documentation(
1083 &mut self,
1084 project: Option<&Model<Project>>,
1085 cx: &mut ViewContext<Editor>,
1086 ) {
1087 let settings = EditorSettings::get_global(cx);
1088 if !settings.show_completion_documentation {
1089 return;
1090 }
1091
1092 let completion_index = self.matches[self.selected_item].candidate_id;
1093 let Some(project) = project else {
1094 return;
1095 };
1096 let language_registry = project.read(cx).languages().clone();
1097
1098 let completions = self.completions.clone();
1099 let completions_guard = completions.read();
1100 let completion = &completions_guard[completion_index];
1101 // todo!()
1102 // if completion.documentation.is_some() {
1103 // return;
1104 // }
1105
1106 let server_id = completion.server_id;
1107 let completion = completion.lsp_completion.clone();
1108 drop(completions_guard);
1109
1110 if project.read(cx).is_remote() {
1111 let Some(project_id) = project.read(cx).remote_id() else {
1112 log::error!("Remote project without remote_id");
1113 return;
1114 };
1115
1116 let client = project.read(cx).client();
1117
1118 cx.spawn(move |this, mut cx| async move {
1119 Self::resolve_completion_documentation_remote(
1120 project_id,
1121 server_id,
1122 completions.clone(),
1123 completion_index,
1124 completion,
1125 client,
1126 language_registry.clone(),
1127 )
1128 .await;
1129
1130 _ = this.update(&mut cx, |_, cx| cx.notify());
1131 })
1132 .detach();
1133 } else {
1134 let Some(server) = project.read(cx).language_server_for_id(server_id) else {
1135 return;
1136 };
1137
1138 cx.spawn(move |this, mut cx| async move {
1139 Self::resolve_completion_documentation_local(
1140 server,
1141 completions,
1142 completion_index,
1143 completion,
1144 language_registry,
1145 )
1146 .await;
1147
1148 _ = this.update(&mut cx, |_, cx| cx.notify());
1149 })
1150 .detach();
1151 }
1152 }
1153
1154 async fn resolve_completion_documentation_remote(
1155 project_id: u64,
1156 server_id: LanguageServerId,
1157 completions: Arc<RwLock<Box<[Completion]>>>,
1158 completion_index: usize,
1159 completion: lsp::CompletionItem,
1160 client: Arc<Client>,
1161 language_registry: Arc<LanguageRegistry>,
1162 ) {
1163 todo!()
1164 // let request = proto::ResolveCompletionDocumentation {
1165 // project_id,
1166 // language_server_id: server_id.0 as u64,
1167 // lsp_completion: serde_json::to_string(&completion).unwrap().into_bytes(),
1168 // };
1169
1170 // let Some(response) = client
1171 // .request(request)
1172 // .await
1173 // .context("completion documentation resolve proto request")
1174 // .log_err()
1175 // else {
1176 // return;
1177 // };
1178
1179 // if response.text.is_empty() {
1180 // let mut completions = completions.write();
1181 // let completion = &mut completions[completion_index];
1182 // completion.documentation = Some(Documentation::Undocumented);
1183 // }
1184
1185 // let documentation = if response.is_markdown {
1186 // Documentation::MultiLineMarkdown(
1187 // markdown::parse_markdown(&response.text, &language_registry, None).await,
1188 // )
1189 // } else if response.text.lines().count() <= 1 {
1190 // Documentation::SingleLine(response.text)
1191 // } else {
1192 // Documentation::MultiLinePlainText(response.text)
1193 // };
1194
1195 // let mut completions = completions.write();
1196 // let completion = &mut completions[completion_index];
1197 // completion.documentation = Some(documentation);
1198 }
1199
1200 async fn resolve_completion_documentation_local(
1201 server: Arc<lsp::LanguageServer>,
1202 completions: Arc<RwLock<Box<[Completion]>>>,
1203 completion_index: usize,
1204 completion: lsp::CompletionItem,
1205 language_registry: Arc<LanguageRegistry>,
1206 ) {
1207 todo!()
1208 // let can_resolve = server
1209 // .capabilities()
1210 // .completion_provider
1211 // .as_ref()
1212 // .and_then(|options| options.resolve_provider)
1213 // .unwrap_or(false);
1214 // if !can_resolve {
1215 // return;
1216 // }
1217
1218 // let request = server.request::<lsp::request::ResolveCompletionItem>(completion);
1219 // let Some(completion_item) = request.await.log_err() else {
1220 // return;
1221 // };
1222
1223 // if let Some(lsp_documentation) = completion_item.documentation {
1224 // let documentation = language::prepare_completion_documentation(
1225 // &lsp_documentation,
1226 // &language_registry,
1227 // None, // TODO: Try to reasonably work out which language the completion is for
1228 // )
1229 // .await;
1230
1231 // let mut completions = completions.write();
1232 // let completion = &mut completions[completion_index];
1233 // completion.documentation = Some(documentation);
1234 // } else {
1235 // let mut completions = completions.write();
1236 // let completion = &mut completions[completion_index];
1237 // completion.documentation = Some(Documentation::Undocumented);
1238 // }
1239 }
1240
1241 fn visible(&self) -> bool {
1242 !self.matches.is_empty()
1243 }
1244
1245 fn render(
1246 &self,
1247 style: EditorStyle,
1248 workspace: Option<WeakView<Workspace>>,
1249 cx: &mut ViewContext<Editor>,
1250 ) {
1251 todo!("old implementation below")
1252 }
1253 // ) -> AnyElement<Editor> {
1254 // enum CompletionTag {}
1255
1256 // let settings = EditorSettings>(cx);
1257 // let show_completion_documentation = settings.show_completion_documentation;
1258
1259 // let widest_completion_ix = self
1260 // .matches
1261 // .iter()
1262 // .enumerate()
1263 // .max_by_key(|(_, mat)| {
1264 // let completions = self.completions.read();
1265 // let completion = &completions[mat.candidate_id];
1266 // let documentation = &completion.documentation;
1267
1268 // let mut len = completion.label.text.chars().count();
1269 // if let Some(Documentation::SingleLine(text)) = documentation {
1270 // if show_completion_documentation {
1271 // len += text.chars().count();
1272 // }
1273 // }
1274
1275 // len
1276 // })
1277 // .map(|(ix, _)| ix);
1278
1279 // let completions = self.completions.clone();
1280 // let matches = self.matches.clone();
1281 // let selected_item = self.selected_item;
1282
1283 // let list = UniformList::new(self.list.clone(), matches.len(), cx, {
1284 // let style = style.clone();
1285 // move |_, range, items, cx| {
1286 // let start_ix = range.start;
1287 // let completions_guard = completions.read();
1288
1289 // for (ix, mat) in matches[range].iter().enumerate() {
1290 // let item_ix = start_ix + ix;
1291 // let candidate_id = mat.candidate_id;
1292 // let completion = &completions_guard[candidate_id];
1293
1294 // let documentation = if show_completion_documentation {
1295 // &completion.documentation
1296 // } else {
1297 // &None
1298 // };
1299
1300 // items.push(
1301 // MouseEventHandler::new::<CompletionTag, _>(
1302 // mat.candidate_id,
1303 // cx,
1304 // |state, _| {
1305 // let item_style = if item_ix == selected_item {
1306 // style.autocomplete.selected_item
1307 // } else if state.hovered() {
1308 // style.autocomplete.hovered_item
1309 // } else {
1310 // style.autocomplete.item
1311 // };
1312
1313 // let completion_label =
1314 // Text::new(completion.label.text.clone(), style.text.clone())
1315 // .with_soft_wrap(false)
1316 // .with_highlights(
1317 // combine_syntax_and_fuzzy_match_highlights(
1318 // &completion.label.text,
1319 // style.text.color.into(),
1320 // styled_runs_for_code_label(
1321 // &completion.label,
1322 // &style.syntax,
1323 // ),
1324 // &mat.positions,
1325 // ),
1326 // );
1327
1328 // if let Some(Documentation::SingleLine(text)) = documentation {
1329 // Flex::row()
1330 // .with_child(completion_label)
1331 // .with_children((|| {
1332 // let text_style = TextStyle {
1333 // color: style.autocomplete.inline_docs_color,
1334 // font_size: style.text.font_size
1335 // * style.autocomplete.inline_docs_size_percent,
1336 // ..style.text.clone()
1337 // };
1338
1339 // let label = Text::new(text.clone(), text_style)
1340 // .aligned()
1341 // .constrained()
1342 // .dynamically(move |constraint, _, _| {
1343 // gpui::SizeConstraint {
1344 // min: constraint.min,
1345 // max: vec2f(
1346 // constraint.max.x(),
1347 // constraint.min.y(),
1348 // ),
1349 // }
1350 // });
1351
1352 // if Some(item_ix) == widest_completion_ix {
1353 // Some(
1354 // label
1355 // .contained()
1356 // .with_style(
1357 // style
1358 // .autocomplete
1359 // .inline_docs_container,
1360 // )
1361 // .into_any(),
1362 // )
1363 // } else {
1364 // Some(label.flex_float().into_any())
1365 // }
1366 // })())
1367 // .into_any()
1368 // } else {
1369 // completion_label.into_any()
1370 // }
1371 // .contained()
1372 // .with_style(item_style)
1373 // .constrained()
1374 // .dynamically(
1375 // move |constraint, _, _| {
1376 // if Some(item_ix) == widest_completion_ix {
1377 // constraint
1378 // } else {
1379 // gpui::SizeConstraint {
1380 // min: constraint.min,
1381 // max: constraint.min,
1382 // }
1383 // }
1384 // },
1385 // )
1386 // },
1387 // )
1388 // .with_cursor_style(CursorStyle::PointingHand)
1389 // .on_down(MouseButton::Left, move |_, this, cx| {
1390 // this.confirm_completion(
1391 // &ConfirmCompletion {
1392 // item_ix: Some(item_ix),
1393 // },
1394 // cx,
1395 // )
1396 // .map(|task| task.detach());
1397 // })
1398 // .constrained()
1399 // .with_min_width(style.autocomplete.completion_min_width)
1400 // .with_max_width(style.autocomplete.completion_max_width)
1401 // .into_any(),
1402 // );
1403 // }
1404 // }
1405 // })
1406 // .with_width_from_item(widest_completion_ix);
1407
1408 // enum MultiLineDocumentation {}
1409
1410 // Flex::row()
1411 // .with_child(list.flex(1., false))
1412 // .with_children({
1413 // let mat = &self.matches[selected_item];
1414 // let completions = self.completions.read();
1415 // let completion = &completions[mat.candidate_id];
1416 // let documentation = &completion.documentation;
1417
1418 // match documentation {
1419 // Some(Documentation::MultiLinePlainText(text)) => Some(
1420 // Flex::column()
1421 // .scrollable::<MultiLineDocumentation>(0, None, cx)
1422 // .with_child(
1423 // Text::new(text.clone(), style.text.clone()).with_soft_wrap(true),
1424 // )
1425 // .contained()
1426 // .with_style(style.autocomplete.alongside_docs_container)
1427 // .constrained()
1428 // .with_max_width(style.autocomplete.alongside_docs_max_width)
1429 // .flex(1., false),
1430 // ),
1431
1432 // Some(Documentation::MultiLineMarkdown(parsed)) => Some(
1433 // Flex::column()
1434 // .scrollable::<MultiLineDocumentation>(0, None, cx)
1435 // .with_child(render_parsed_markdown::<MultiLineDocumentation>(
1436 // parsed, &style, workspace, cx,
1437 // ))
1438 // .contained()
1439 // .with_style(style.autocomplete.alongside_docs_container)
1440 // .constrained()
1441 // .with_max_width(style.autocomplete.alongside_docs_max_width)
1442 // .flex(1., false),
1443 // ),
1444
1445 // _ => None,
1446 // }
1447 // })
1448 // .contained()
1449 // .with_style(style.autocomplete.container)
1450 // .into_any()
1451 // }
1452
1453 pub async fn filter(&mut self, query: Option<&str>, executor: BackgroundExecutor) {
1454 let mut matches = if let Some(query) = query {
1455 fuzzy::match_strings(
1456 &self.match_candidates,
1457 query,
1458 query.chars().any(|c| c.is_uppercase()),
1459 100,
1460 &Default::default(),
1461 executor,
1462 )
1463 .await
1464 } else {
1465 self.match_candidates
1466 .iter()
1467 .enumerate()
1468 .map(|(candidate_id, candidate)| StringMatch {
1469 candidate_id,
1470 score: Default::default(),
1471 positions: Default::default(),
1472 string: candidate.string.clone(),
1473 })
1474 .collect()
1475 };
1476
1477 // Remove all candidates where the query's start does not match the start of any word in the candidate
1478 if let Some(query) = query {
1479 if let Some(query_start) = query.chars().next() {
1480 matches.retain(|string_match| {
1481 split_words(&string_match.string).any(|word| {
1482 // Check that the first codepoint of the word as lowercase matches the first
1483 // codepoint of the query as lowercase
1484 word.chars()
1485 .flat_map(|codepoint| codepoint.to_lowercase())
1486 .zip(query_start.to_lowercase())
1487 .all(|(word_cp, query_cp)| word_cp == query_cp)
1488 })
1489 });
1490 }
1491 }
1492
1493 let completions = self.completions.read();
1494 matches.sort_unstable_by_key(|mat| {
1495 let completion = &completions[mat.candidate_id];
1496 (
1497 completion.lsp_completion.sort_text.as_ref(),
1498 Reverse(OrderedFloat(mat.score)),
1499 completion.sort_key(),
1500 )
1501 });
1502 drop(completions);
1503
1504 for mat in &mut matches {
1505 let completions = self.completions.read();
1506 let filter_start = completions[mat.candidate_id].label.filter_range.start;
1507 for position in &mut mat.positions {
1508 *position += filter_start;
1509 }
1510 }
1511
1512 self.matches = matches.into();
1513 self.selected_item = 0;
1514 }
1515}
1516
1517#[derive(Clone)]
1518struct CodeActionsMenu {
1519 actions: Arc<[CodeAction]>,
1520 buffer: Model<Buffer>,
1521 selected_item: usize,
1522 list: UniformListState,
1523 deployed_from_indicator: bool,
1524}
1525
1526impl CodeActionsMenu {
1527 fn select_first(&mut self, cx: &mut ViewContext<Editor>) {
1528 self.selected_item = 0;
1529 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1530 cx.notify()
1531 }
1532
1533 fn select_prev(&mut self, cx: &mut ViewContext<Editor>) {
1534 if self.selected_item > 0 {
1535 self.selected_item -= 1;
1536 } else {
1537 self.selected_item = self.actions.len() - 1;
1538 }
1539 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1540 cx.notify();
1541 }
1542
1543 fn select_next(&mut self, cx: &mut ViewContext<Editor>) {
1544 if self.selected_item + 1 < self.actions.len() {
1545 self.selected_item += 1;
1546 } else {
1547 self.selected_item = 0;
1548 }
1549 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1550 cx.notify();
1551 }
1552
1553 fn select_last(&mut self, cx: &mut ViewContext<Editor>) {
1554 self.selected_item = self.actions.len() - 1;
1555 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1556 cx.notify()
1557 }
1558
1559 fn visible(&self) -> bool {
1560 !self.actions.is_empty()
1561 }
1562
1563 fn render(
1564 &self,
1565 mut cursor_position: DisplayPoint,
1566 style: EditorStyle,
1567 cx: &mut ViewContext<Editor>,
1568 ) -> (DisplayPoint, AnyElement<Editor>) {
1569 todo!("old version below")
1570 }
1571 // enum ActionTag {}
1572
1573 // let container_style = style.autocomplete.container;
1574 // let actions = self.actions.clone();
1575 // let selected_item = self.selected_item;
1576 // let element = UniformList::new(
1577 // self.list.clone(),
1578 // actions.len(),
1579 // cx,
1580 // move |_, range, items, cx| {
1581 // let start_ix = range.start;
1582 // for (ix, action) in actions[range].iter().enumerate() {
1583 // let item_ix = start_ix + ix;
1584 // items.push(
1585 // MouseEventHandler::new::<ActionTag, _>(item_ix, cx, |state, _| {
1586 // let item_style = if item_ix == selected_item {
1587 // style.autocomplete.selected_item
1588 // } else if state.hovered() {
1589 // style.autocomplete.hovered_item
1590 // } else {
1591 // style.autocomplete.item
1592 // };
1593
1594 // Text::new(action.lsp_action.title.clone(), style.text.clone())
1595 // .with_soft_wrap(false)
1596 // .contained()
1597 // .with_style(item_style)
1598 // })
1599 // .with_cursor_style(CursorStyle::PointingHand)
1600 // .on_down(MouseButton::Left, move |_, this, cx| {
1601 // let workspace = this
1602 // .workspace
1603 // .as_ref()
1604 // .and_then(|(workspace, _)| workspace.upgrade(cx));
1605 // cx.window_context().defer(move |cx| {
1606 // if let Some(workspace) = workspace {
1607 // workspace.update(cx, |workspace, cx| {
1608 // if let Some(task) = Editor::confirm_code_action(
1609 // workspace,
1610 // &ConfirmCodeAction {
1611 // item_ix: Some(item_ix),
1612 // },
1613 // cx,
1614 // ) {
1615 // task.detach_and_log_err(cx);
1616 // }
1617 // });
1618 // }
1619 // });
1620 // })
1621 // .into_any(),
1622 // );
1623 // }
1624 // },
1625 // )
1626 // .with_width_from_item(
1627 // self.actions
1628 // .iter()
1629 // .enumerate()
1630 // .max_by_key(|(_, action)| action.lsp_action.title.chars().count())
1631 // .map(|(ix, _)| ix),
1632 // )
1633 // .contained()
1634 // .with_style(container_style)
1635 // .into_any();
1636
1637 // if self.deployed_from_indicator {
1638 // *cursor_position.column_mut() = 0;
1639 // }
1640
1641 // (cursor_position, element)
1642 // }
1643}
1644
1645pub struct CopilotState {
1646 excerpt_id: Option<ExcerptId>,
1647 pending_refresh: Task<Option<()>>,
1648 pending_cycling_refresh: Task<Option<()>>,
1649 cycled: bool,
1650 completions: Vec<copilot::Completion>,
1651 active_completion_index: usize,
1652 suggestion: Option<Inlay>,
1653}
1654
1655impl Default for CopilotState {
1656 fn default() -> Self {
1657 Self {
1658 excerpt_id: None,
1659 pending_cycling_refresh: Task::ready(Some(())),
1660 pending_refresh: Task::ready(Some(())),
1661 completions: Default::default(),
1662 active_completion_index: 0,
1663 cycled: false,
1664 suggestion: None,
1665 }
1666 }
1667}
1668
1669impl CopilotState {
1670 fn active_completion(&self) -> Option<&copilot::Completion> {
1671 self.completions.get(self.active_completion_index)
1672 }
1673
1674 fn text_for_active_completion(
1675 &self,
1676 cursor: Anchor,
1677 buffer: &MultiBufferSnapshot,
1678 ) -> Option<&str> {
1679 use language::ToOffset as _;
1680
1681 let completion = self.active_completion()?;
1682 let excerpt_id = self.excerpt_id?;
1683 let completion_buffer = buffer.buffer_for_excerpt(excerpt_id)?;
1684 if excerpt_id != cursor.excerpt_id
1685 || !completion.range.start.is_valid(completion_buffer)
1686 || !completion.range.end.is_valid(completion_buffer)
1687 {
1688 return None;
1689 }
1690
1691 let mut completion_range = completion.range.to_offset(&completion_buffer);
1692 let prefix_len = Self::common_prefix(
1693 completion_buffer.chars_for_range(completion_range.clone()),
1694 completion.text.chars(),
1695 );
1696 completion_range.start += prefix_len;
1697 let suffix_len = Self::common_prefix(
1698 completion_buffer.reversed_chars_for_range(completion_range.clone()),
1699 completion.text[prefix_len..].chars().rev(),
1700 );
1701 completion_range.end = completion_range.end.saturating_sub(suffix_len);
1702
1703 if completion_range.is_empty()
1704 && completion_range.start == cursor.text_anchor.to_offset(&completion_buffer)
1705 {
1706 Some(&completion.text[prefix_len..completion.text.len() - suffix_len])
1707 } else {
1708 None
1709 }
1710 }
1711
1712 fn cycle_completions(&mut self, direction: Direction) {
1713 match direction {
1714 Direction::Prev => {
1715 self.active_completion_index = if self.active_completion_index == 0 {
1716 self.completions.len().saturating_sub(1)
1717 } else {
1718 self.active_completion_index - 1
1719 };
1720 }
1721 Direction::Next => {
1722 if self.completions.len() == 0 {
1723 self.active_completion_index = 0
1724 } else {
1725 self.active_completion_index =
1726 (self.active_completion_index + 1) % self.completions.len();
1727 }
1728 }
1729 }
1730 }
1731
1732 fn push_completion(&mut self, new_completion: copilot::Completion) {
1733 for completion in &self.completions {
1734 if completion.text == new_completion.text && completion.range == new_completion.range {
1735 return;
1736 }
1737 }
1738 self.completions.push(new_completion);
1739 }
1740
1741 fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b: T2) -> usize {
1742 a.zip(b)
1743 .take_while(|(a, b)| a == b)
1744 .map(|(a, _)| a.len_utf8())
1745 .sum()
1746 }
1747}
1748
1749#[derive(Debug)]
1750struct ActiveDiagnosticGroup {
1751 primary_range: Range<Anchor>,
1752 primary_message: String,
1753 blocks: HashMap<BlockId, Diagnostic>,
1754 is_valid: bool,
1755}
1756
1757#[derive(Serialize, Deserialize)]
1758pub struct ClipboardSelection {
1759 pub len: usize,
1760 pub is_entire_line: bool,
1761 pub first_line_indent: u32,
1762}
1763
1764#[derive(Debug)]
1765pub struct NavigationData {
1766 cursor_anchor: Anchor,
1767 cursor_position: Point,
1768 scroll_anchor: ScrollAnchor,
1769 scroll_top_row: u32,
1770}
1771
1772pub struct EditorCreated(pub View<Editor>);
1773
1774enum GotoDefinitionKind {
1775 Symbol,
1776 Type,
1777}
1778
1779#[derive(Debug, Clone)]
1780enum InlayHintRefreshReason {
1781 Toggle(bool),
1782 SettingsChange(InlayHintSettings),
1783 NewLinesShown,
1784 BufferEdited(HashSet<Arc<Language>>),
1785 RefreshRequested,
1786 ExcerptsRemoved(Vec<ExcerptId>),
1787}
1788impl InlayHintRefreshReason {
1789 fn description(&self) -> &'static str {
1790 match self {
1791 Self::Toggle(_) => "toggle",
1792 Self::SettingsChange(_) => "settings change",
1793 Self::NewLinesShown => "new lines shown",
1794 Self::BufferEdited(_) => "buffer edited",
1795 Self::RefreshRequested => "refresh requested",
1796 Self::ExcerptsRemoved(_) => "excerpts removed",
1797 }
1798 }
1799}
1800
1801impl Editor {
1802 // pub fn single_line(
1803 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1804 // cx: &mut ViewContext<Self>,
1805 // ) -> Self {
1806 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1807 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1808 // Self::new(EditorMode::SingleLine, buffer, None, field_editor_style, cx)
1809 // }
1810
1811 // pub fn multi_line(
1812 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1813 // cx: &mut ViewContext<Self>,
1814 // ) -> Self {
1815 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1816 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1817 // Self::new(EditorMode::Full, buffer, None, field_editor_style, cx)
1818 // }
1819
1820 // pub fn auto_height(
1821 // max_lines: usize,
1822 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1823 // cx: &mut ViewContext<Self>,
1824 // ) -> Self {
1825 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1826 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1827 // Self::new(
1828 // EditorMode::AutoHeight { max_lines },
1829 // buffer,
1830 // None,
1831 // field_editor_style,
1832 // cx,
1833 // )
1834 // }
1835
1836 pub fn for_buffer(
1837 buffer: Model<Buffer>,
1838 project: Option<Model<Project>>,
1839 cx: &mut ViewContext<Self>,
1840 ) -> Self {
1841 let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1842 Self::new(EditorMode::Full, buffer, project, cx)
1843 }
1844
1845 pub fn for_multibuffer(
1846 buffer: Model<MultiBuffer>,
1847 project: Option<Model<Project>>,
1848 cx: &mut ViewContext<Self>,
1849 ) -> Self {
1850 Self::new(EditorMode::Full, buffer, project, cx)
1851 }
1852
1853 pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
1854 let mut clone = Self::new(
1855 self.mode,
1856 self.buffer.clone(),
1857 self.project.clone(),
1858 // todo!
1859 // self.get_field_editor_theme.clone(),
1860 cx,
1861 );
1862 self.display_map.update(cx, |display_map, cx| {
1863 let snapshot = display_map.snapshot(cx);
1864 clone.display_map.update(cx, |display_map, cx| {
1865 display_map.set_state(&snapshot, cx);
1866 });
1867 });
1868 clone.selections.clone_state(&self.selections);
1869 clone.scroll_manager.clone_state(&self.scroll_manager);
1870 clone.searchable = self.searchable;
1871 clone
1872 }
1873
1874 fn new(
1875 mode: EditorMode,
1876 buffer: Model<MultiBuffer>,
1877 project: Option<Model<Project>>,
1878 // todo!()
1879 // get_field_editor_theme: Option<Arc<GetFieldEditorTheme>>,
1880 cx: &mut ViewContext<Self>,
1881 ) -> Self {
1882 // let editor_view_id = cx.view_id();
1883 let style = cx.text_style();
1884 let font_size = style.font_size.to_pixels(cx.rem_size());
1885 let display_map = cx.build_model(|cx| {
1886 // todo!()
1887 // let settings = settings::get::<ThemeSettings>(cx);
1888 // let style = build_style(settings, get_field_editor_theme.as_deref(), None, cx);
1889 DisplayMap::new(buffer.clone(), style.font(), font_size, None, 2, 1, cx)
1890 });
1891
1892 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1893
1894 let blink_manager = cx.build_model(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1895
1896 let soft_wrap_mode_override =
1897 (mode == EditorMode::SingleLine).then(|| language_settings::SoftWrap::None);
1898
1899 let mut project_subscriptions = Vec::new();
1900 if mode == EditorMode::Full {
1901 if let Some(project) = project.as_ref() {
1902 if buffer.read(cx).is_singleton() {
1903 project_subscriptions.push(cx.observe(project, |_, _, cx| {
1904 cx.emit(Event::TitleChanged);
1905 }));
1906 }
1907 project_subscriptions.push(cx.subscribe(project, |editor, _, event, cx| {
1908 if let project::Event::RefreshInlayHints = event {
1909 editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1910 };
1911 }));
1912 }
1913 }
1914
1915 let inlay_hint_settings = inlay_hint_settings(
1916 selections.newest_anchor().head(),
1917 &buffer.read(cx).snapshot(cx),
1918 cx,
1919 );
1920
1921 let mut this = Self {
1922 handle: cx.view().downgrade(),
1923 focus_handle: cx.focus_handle(),
1924 buffer: buffer.clone(),
1925 display_map: display_map.clone(),
1926 selections,
1927 scroll_manager: ScrollManager::new(),
1928 columnar_selection_tail: None,
1929 add_selections_state: None,
1930 select_next_state: None,
1931 select_prev_state: None,
1932 selection_history: Default::default(),
1933 autoclose_regions: Default::default(),
1934 snippet_stack: Default::default(),
1935 select_larger_syntax_node_stack: Vec::new(),
1936 ime_transaction: Default::default(),
1937 active_diagnostics: None,
1938 soft_wrap_mode_override,
1939 // get_field_editor_theme,
1940 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1941 project,
1942 blink_manager: blink_manager.clone(),
1943 show_local_selections: true,
1944 mode,
1945 show_gutter: mode == EditorMode::Full,
1946 show_wrap_guides: None,
1947 placeholder_text: None,
1948 highlighted_rows: None,
1949 background_highlights: Default::default(),
1950 inlay_background_highlights: Default::default(),
1951 nav_history: None,
1952 context_menu: RwLock::new(None),
1953 // mouse_context_menu: cx
1954 // .add_view(|cx| context_menu::ContextMenu::new(editor_view_id, cx)),
1955 completion_tasks: Default::default(),
1956 next_completion_id: 0,
1957 next_inlay_id: 0,
1958 available_code_actions: Default::default(),
1959 code_actions_task: Default::default(),
1960 document_highlights_task: Default::default(),
1961 pending_rename: Default::default(),
1962 searchable: true,
1963 // override_text_style: None,
1964 cursor_shape: Default::default(),
1965 autoindent_mode: Some(AutoindentMode::EachLine),
1966 collapse_matches: false,
1967 workspace: None,
1968 // keymap_context_layers: Default::default(),
1969 input_enabled: true,
1970 read_only: false,
1971 leader_peer_id: None,
1972 remote_id: None,
1973 hover_state: Default::default(),
1974 link_go_to_definition_state: Default::default(),
1975 copilot_state: Default::default(),
1976 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1977 gutter_hovered: false,
1978 pixel_position_of_newest_cursor: None,
1979 _subscriptions: vec![
1980 cx.observe(&buffer, Self::on_buffer_changed),
1981 cx.subscribe(&buffer, Self::on_buffer_event),
1982 cx.observe(&display_map, Self::on_display_map_changed),
1983 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1984 cx.observe_global::<SettingsStore>(Self::settings_changed),
1985 cx.observe_window_activation(|editor, cx| {
1986 let active = cx.is_window_active();
1987 editor.blink_manager.update(cx, |blink_manager, cx| {
1988 if active {
1989 blink_manager.enable(cx);
1990 } else {
1991 blink_manager.show_cursor(cx);
1992 blink_manager.disable(cx);
1993 }
1994 });
1995 }),
1996 ],
1997 };
1998
1999 this._subscriptions.extend(project_subscriptions);
2000
2001 this.end_selection(cx);
2002 this.scroll_manager.show_scrollbar(cx);
2003
2004 // todo!("use a different mechanism")
2005 // let editor_created_event = EditorCreated(cx.handle());
2006 // cx.emit_global(editor_created_event);
2007
2008 if mode == EditorMode::Full {
2009 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
2010 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
2011 }
2012
2013 this.report_editor_event("open", None, cx);
2014 this
2015 }
2016
2017 // pub fn new_file(
2018 // workspace: &mut Workspace,
2019 // _: &workspace::NewFile,
2020 // cx: &mut ViewContext<Workspace>,
2021 // ) {
2022 // let project = workspace.project().clone();
2023 // if project.read(cx).is_remote() {
2024 // cx.propagate_action();
2025 // } else if let Some(buffer) = project
2026 // .update(cx, |project, cx| project.create_buffer("", None, cx))
2027 // .log_err()
2028 // {
2029 // workspace.add_item(
2030 // Box::new(cx.add_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx))),
2031 // cx,
2032 // );
2033 // }
2034 // }
2035
2036 // pub fn new_file_in_direction(
2037 // workspace: &mut Workspace,
2038 // action: &workspace::NewFileInDirection,
2039 // cx: &mut ViewContext<Workspace>,
2040 // ) {
2041 // let project = workspace.project().clone();
2042 // if project.read(cx).is_remote() {
2043 // cx.propagate_action();
2044 // } else if let Some(buffer) = project
2045 // .update(cx, |project, cx| project.create_buffer("", None, cx))
2046 // .log_err()
2047 // {
2048 // workspace.split_item(
2049 // action.0,
2050 // Box::new(cx.add_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx))),
2051 // cx,
2052 // );
2053 // }
2054 // }
2055
2056 pub fn replica_id(&self, cx: &AppContext) -> ReplicaId {
2057 self.buffer.read(cx).replica_id()
2058 }
2059
2060 // pub fn leader_peer_id(&self) -> Option<PeerId> {
2061 // self.leader_peer_id
2062 // }
2063
2064 pub fn buffer(&self) -> &Model<MultiBuffer> {
2065 &self.buffer
2066 }
2067
2068 fn workspace(&self) -> Option<View<Workspace>> {
2069 self.workspace.as_ref()?.0.upgrade()
2070 }
2071
2072 pub fn title<'a>(&self, cx: &'a AppContext) -> Cow<'a, str> {
2073 self.buffer().read(cx).title(cx)
2074 }
2075
2076 pub fn snapshot(&mut self, cx: &mut WindowContext) -> EditorSnapshot {
2077 EditorSnapshot {
2078 mode: self.mode,
2079 show_gutter: self.show_gutter,
2080 display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
2081 scroll_anchor: self.scroll_manager.anchor(),
2082 ongoing_scroll: self.scroll_manager.ongoing_scroll(),
2083 placeholder_text: self.placeholder_text.clone(),
2084 is_focused: self.focus_handle.is_focused(cx),
2085 }
2086 }
2087
2088 // pub fn language_at<'a, T: ToOffset>(
2089 // &self,
2090 // point: T,
2091 // cx: &'a AppContext,
2092 // ) -> Option<Arc<Language>> {
2093 // self.buffer.read(cx).language_at(point, cx)
2094 // }
2095
2096 // pub fn file_at<'a, T: ToOffset>(&self, point: T, cx: &'a AppContext) -> Option<Arc<dyn File>> {
2097 // self.buffer.read(cx).read(cx).file_at(point).cloned()
2098 // }
2099
2100 // pub fn active_excerpt(
2101 // &self,
2102 // cx: &AppContext,
2103 // ) -> Option<(ExcerptId, Model<Buffer>, Range<text::Anchor>)> {
2104 // self.buffer
2105 // .read(cx)
2106 // .excerpt_containing(self.selections.newest_anchor().head(), cx)
2107 // }
2108
2109 // pub fn style(&self, cx: &AppContext) -> EditorStyle {
2110 // build_style(
2111 // settings::get::<ThemeSettings>(cx),
2112 // self.get_field_editor_theme.as_deref(),
2113 // self.override_text_style.as_deref(),
2114 // cx,
2115 // )
2116 // }
2117
2118 // pub fn mode(&self) -> EditorMode {
2119 // self.mode
2120 // }
2121
2122 // pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
2123 // self.collaboration_hub.as_deref()
2124 // }
2125
2126 // pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
2127 // self.collaboration_hub = Some(hub);
2128 // }
2129
2130 // pub fn set_placeholder_text(
2131 // &mut self,
2132 // placeholder_text: impl Into<Arc<str>>,
2133 // cx: &mut ViewContext<Self>,
2134 // ) {
2135 // self.placeholder_text = Some(placeholder_text.into());
2136 // cx.notify();
2137 // }
2138
2139 // pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut ViewContext<Self>) {
2140 // self.cursor_shape = cursor_shape;
2141 // cx.notify();
2142 // }
2143
2144 // pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
2145 // self.collapse_matches = collapse_matches;
2146 // }
2147
2148 pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
2149 if self.collapse_matches {
2150 return range.start..range.start;
2151 }
2152 range.clone()
2153 }
2154
2155 // pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut ViewContext<Self>) {
2156 // if self.display_map.read(cx).clip_at_line_ends != clip {
2157 // self.display_map
2158 // .update(cx, |map, _| map.clip_at_line_ends = clip);
2159 // }
2160 // }
2161
2162 // pub fn set_keymap_context_layer<Tag: 'static>(
2163 // &mut self,
2164 // context: KeymapContext,
2165 // cx: &mut ViewContext<Self>,
2166 // ) {
2167 // self.keymap_context_layers
2168 // .insert(TypeId::of::<Tag>(), context);
2169 // cx.notify();
2170 // }
2171
2172 // pub fn remove_keymap_context_layer<Tag: 'static>(&mut self, cx: &mut ViewContext<Self>) {
2173 // self.keymap_context_layers.remove(&TypeId::of::<Tag>());
2174 // cx.notify();
2175 // }
2176
2177 // pub fn set_input_enabled(&mut self, input_enabled: bool) {
2178 // self.input_enabled = input_enabled;
2179 // }
2180
2181 // pub fn set_autoindent(&mut self, autoindent: bool) {
2182 // if autoindent {
2183 // self.autoindent_mode = Some(AutoindentMode::EachLine);
2184 // } else {
2185 // self.autoindent_mode = None;
2186 // }
2187 // }
2188
2189 // pub fn read_only(&self) -> bool {
2190 // self.read_only
2191 // }
2192
2193 // pub fn set_read_only(&mut self, read_only: bool) {
2194 // self.read_only = read_only;
2195 // }
2196
2197 // pub fn set_field_editor_style(
2198 // &mut self,
2199 // style: Option<Arc<GetFieldEditorTheme>>,
2200 // cx: &mut ViewContext<Self>,
2201 // ) {
2202 // self.get_field_editor_theme = style;
2203 // cx.notify();
2204 // }
2205
2206 fn selections_did_change(
2207 &mut self,
2208 local: bool,
2209 old_cursor_position: &Anchor,
2210 cx: &mut ViewContext<Self>,
2211 ) {
2212 if self.focus_handle.is_focused(cx) && self.leader_peer_id.is_none() {
2213 self.buffer.update(cx, |buffer, cx| {
2214 buffer.set_active_selections(
2215 &self.selections.disjoint_anchors(),
2216 self.selections.line_mode,
2217 self.cursor_shape,
2218 cx,
2219 )
2220 });
2221 }
2222
2223 let display_map = self
2224 .display_map
2225 .update(cx, |display_map, cx| display_map.snapshot(cx));
2226 let buffer = &display_map.buffer_snapshot;
2227 self.add_selections_state = None;
2228 self.select_next_state = None;
2229 self.select_prev_state = None;
2230 self.select_larger_syntax_node_stack.clear();
2231 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2232 self.snippet_stack
2233 .invalidate(&self.selections.disjoint_anchors(), buffer);
2234 self.take_rename(false, cx);
2235
2236 let new_cursor_position = self.selections.newest_anchor().head();
2237
2238 self.push_to_nav_history(
2239 old_cursor_position.clone(),
2240 Some(new_cursor_position.to_point(buffer)),
2241 cx,
2242 );
2243
2244 if local {
2245 let new_cursor_position = self.selections.newest_anchor().head();
2246 let mut context_menu = self.context_menu.write();
2247 let completion_menu = match context_menu.as_ref() {
2248 Some(ContextMenu::Completions(menu)) => Some(menu),
2249
2250 _ => {
2251 *context_menu = None;
2252 None
2253 }
2254 };
2255
2256 if let Some(completion_menu) = completion_menu {
2257 let cursor_position = new_cursor_position.to_offset(buffer);
2258 let (word_range, kind) =
2259 buffer.surrounding_word(completion_menu.initial_position.clone());
2260 if kind == Some(CharKind::Word)
2261 && word_range.to_inclusive().contains(&cursor_position)
2262 {
2263 let mut completion_menu = completion_menu.clone();
2264 drop(context_menu);
2265
2266 let query = Self::completion_query(buffer, cursor_position);
2267 cx.spawn(move |this, mut cx| async move {
2268 completion_menu
2269 .filter(query.as_deref(), cx.background_executor().clone())
2270 .await;
2271
2272 this.update(&mut cx, |this, cx| {
2273 let mut context_menu = this.context_menu.write();
2274 let Some(ContextMenu::Completions(menu)) = context_menu.as_ref() else {
2275 return;
2276 };
2277
2278 if menu.id > completion_menu.id {
2279 return;
2280 }
2281
2282 *context_menu = Some(ContextMenu::Completions(completion_menu));
2283 drop(context_menu);
2284 cx.notify();
2285 })
2286 })
2287 .detach();
2288
2289 self.show_completions(&ShowCompletions, cx);
2290 } else {
2291 drop(context_menu);
2292 self.hide_context_menu(cx);
2293 }
2294 } else {
2295 drop(context_menu);
2296 }
2297
2298 hide_hover(self, cx);
2299
2300 if old_cursor_position.to_display_point(&display_map).row()
2301 != new_cursor_position.to_display_point(&display_map).row()
2302 {
2303 self.available_code_actions.take();
2304 }
2305 self.refresh_code_actions(cx);
2306 self.refresh_document_highlights(cx);
2307 refresh_matching_bracket_highlights(self, cx);
2308 self.discard_copilot_suggestion(cx);
2309 }
2310
2311 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2312 cx.emit(Event::SelectionsChanged { local });
2313 cx.notify();
2314 }
2315
2316 pub fn change_selections<R>(
2317 &mut self,
2318 autoscroll: Option<Autoscroll>,
2319 cx: &mut ViewContext<Self>,
2320 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2321 ) -> R {
2322 let old_cursor_position = self.selections.newest_anchor().head();
2323 self.push_to_selection_history();
2324
2325 let (changed, result) = self.selections.change_with(cx, change);
2326
2327 if changed {
2328 if let Some(autoscroll) = autoscroll {
2329 self.request_autoscroll(autoscroll, cx);
2330 }
2331 self.selections_did_change(true, &old_cursor_position, cx);
2332 }
2333
2334 result
2335 }
2336
2337 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2338 where
2339 I: IntoIterator<Item = (Range<S>, T)>,
2340 S: ToOffset,
2341 T: Into<Arc<str>>,
2342 {
2343 if self.read_only {
2344 return;
2345 }
2346
2347 self.buffer
2348 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2349 }
2350
2351 // pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2352 // where
2353 // I: IntoIterator<Item = (Range<S>, T)>,
2354 // S: ToOffset,
2355 // T: Into<Arc<str>>,
2356 // {
2357 // if self.read_only {
2358 // return;
2359 // }
2360
2361 // self.buffer.update(cx, |buffer, cx| {
2362 // buffer.edit(edits, self.autoindent_mode.clone(), cx)
2363 // });
2364 // }
2365
2366 // pub fn edit_with_block_indent<I, S, T>(
2367 // &mut self,
2368 // edits: I,
2369 // original_indent_columns: Vec<u32>,
2370 // cx: &mut ViewContext<Self>,
2371 // ) where
2372 // I: IntoIterator<Item = (Range<S>, T)>,
2373 // S: ToOffset,
2374 // T: Into<Arc<str>>,
2375 // {
2376 // if self.read_only {
2377 // return;
2378 // }
2379
2380 // self.buffer.update(cx, |buffer, cx| {
2381 // buffer.edit(
2382 // edits,
2383 // Some(AutoindentMode::Block {
2384 // original_indent_columns,
2385 // }),
2386 // cx,
2387 // )
2388 // });
2389 // }
2390
2391 fn select(&mut self, phase: SelectPhase, cx: &mut ViewContext<Self>) {
2392 self.hide_context_menu(cx);
2393
2394 match phase {
2395 SelectPhase::Begin {
2396 position,
2397 add,
2398 click_count,
2399 } => self.begin_selection(position, add, click_count, cx),
2400 SelectPhase::BeginColumnar {
2401 position,
2402 goal_column,
2403 } => self.begin_columnar_selection(position, goal_column, cx),
2404 SelectPhase::Extend {
2405 position,
2406 click_count,
2407 } => self.extend_selection(position, click_count, cx),
2408 SelectPhase::Update {
2409 position,
2410 goal_column,
2411 scroll_position,
2412 } => self.update_selection(position, goal_column, scroll_position, cx),
2413 SelectPhase::End => self.end_selection(cx),
2414 }
2415 }
2416
2417 fn extend_selection(
2418 &mut self,
2419 position: DisplayPoint,
2420 click_count: usize,
2421 cx: &mut ViewContext<Self>,
2422 ) {
2423 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2424 let tail = self.selections.newest::<usize>(cx).tail();
2425 self.begin_selection(position, false, click_count, cx);
2426
2427 let position = position.to_offset(&display_map, Bias::Left);
2428 let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2429
2430 let mut pending_selection = self
2431 .selections
2432 .pending_anchor()
2433 .expect("extend_selection not called with pending selection");
2434 if position >= tail {
2435 pending_selection.start = tail_anchor;
2436 } else {
2437 pending_selection.end = tail_anchor;
2438 pending_selection.reversed = true;
2439 }
2440
2441 let mut pending_mode = self.selections.pending_mode().unwrap();
2442 match &mut pending_mode {
2443 SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2444 _ => {}
2445 }
2446
2447 self.change_selections(Some(Autoscroll::fit()), cx, |s| {
2448 s.set_pending(pending_selection, pending_mode)
2449 });
2450 }
2451
2452 fn begin_selection(
2453 &mut self,
2454 position: DisplayPoint,
2455 add: bool,
2456 click_count: usize,
2457 cx: &mut ViewContext<Self>,
2458 ) {
2459 if !self.focus_handle.is_focused(cx) {
2460 cx.focus(&self.focus_handle);
2461 }
2462
2463 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2464 let buffer = &display_map.buffer_snapshot;
2465 let newest_selection = self.selections.newest_anchor().clone();
2466 let position = display_map.clip_point(position, Bias::Left);
2467
2468 let start;
2469 let end;
2470 let mode;
2471 let auto_scroll;
2472 match click_count {
2473 1 => {
2474 start = buffer.anchor_before(position.to_point(&display_map));
2475 end = start.clone();
2476 mode = SelectMode::Character;
2477 auto_scroll = true;
2478 }
2479 2 => {
2480 let range = movement::surrounding_word(&display_map, position);
2481 start = buffer.anchor_before(range.start.to_point(&display_map));
2482 end = buffer.anchor_before(range.end.to_point(&display_map));
2483 mode = SelectMode::Word(start.clone()..end.clone());
2484 auto_scroll = true;
2485 }
2486 3 => {
2487 let position = display_map
2488 .clip_point(position, Bias::Left)
2489 .to_point(&display_map);
2490 let line_start = display_map.prev_line_boundary(position).0;
2491 let next_line_start = buffer.clip_point(
2492 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2493 Bias::Left,
2494 );
2495 start = buffer.anchor_before(line_start);
2496 end = buffer.anchor_before(next_line_start);
2497 mode = SelectMode::Line(start.clone()..end.clone());
2498 auto_scroll = true;
2499 }
2500 _ => {
2501 start = buffer.anchor_before(0);
2502 end = buffer.anchor_before(buffer.len());
2503 mode = SelectMode::All;
2504 auto_scroll = false;
2505 }
2506 }
2507
2508 self.change_selections(auto_scroll.then(|| Autoscroll::newest()), cx, |s| {
2509 if !add {
2510 s.clear_disjoint();
2511 } else if click_count > 1 {
2512 s.delete(newest_selection.id)
2513 }
2514
2515 s.set_pending_anchor_range(start..end, mode);
2516 });
2517 }
2518
2519 fn begin_columnar_selection(
2520 &mut self,
2521 position: DisplayPoint,
2522 goal_column: u32,
2523 cx: &mut ViewContext<Self>,
2524 ) {
2525 if !self.focus_handle.is_focused(cx) {
2526 cx.focus(&self.focus_handle);
2527 }
2528
2529 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2530 let tail = self.selections.newest::<Point>(cx).tail();
2531 self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2532
2533 self.select_columns(
2534 tail.to_display_point(&display_map),
2535 position,
2536 goal_column,
2537 &display_map,
2538 cx,
2539 );
2540 }
2541
2542 fn update_selection(
2543 &mut self,
2544 position: DisplayPoint,
2545 goal_column: u32,
2546 scroll_position: gpui::Point<f32>,
2547 cx: &mut ViewContext<Self>,
2548 ) {
2549 let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2550
2551 if let Some(tail) = self.columnar_selection_tail.as_ref() {
2552 let tail = tail.to_display_point(&display_map);
2553 self.select_columns(tail, position, goal_column, &display_map, cx);
2554 } else if let Some(mut pending) = self.selections.pending_anchor() {
2555 let buffer = self.buffer.read(cx).snapshot(cx);
2556 let head;
2557 let tail;
2558 let mode = self.selections.pending_mode().unwrap();
2559 match &mode {
2560 SelectMode::Character => {
2561 head = position.to_point(&display_map);
2562 tail = pending.tail().to_point(&buffer);
2563 }
2564 SelectMode::Word(original_range) => {
2565 let original_display_range = original_range.start.to_display_point(&display_map)
2566 ..original_range.end.to_display_point(&display_map);
2567 let original_buffer_range = original_display_range.start.to_point(&display_map)
2568 ..original_display_range.end.to_point(&display_map);
2569 if movement::is_inside_word(&display_map, position)
2570 || original_display_range.contains(&position)
2571 {
2572 let word_range = movement::surrounding_word(&display_map, position);
2573 if word_range.start < original_display_range.start {
2574 head = word_range.start.to_point(&display_map);
2575 } else {
2576 head = word_range.end.to_point(&display_map);
2577 }
2578 } else {
2579 head = position.to_point(&display_map);
2580 }
2581
2582 if head <= original_buffer_range.start {
2583 tail = original_buffer_range.end;
2584 } else {
2585 tail = original_buffer_range.start;
2586 }
2587 }
2588 SelectMode::Line(original_range) => {
2589 let original_range = original_range.to_point(&display_map.buffer_snapshot);
2590
2591 let position = display_map
2592 .clip_point(position, Bias::Left)
2593 .to_point(&display_map);
2594 let line_start = display_map.prev_line_boundary(position).0;
2595 let next_line_start = buffer.clip_point(
2596 display_map.next_line_boundary(position).0 + Point::new(1, 0),
2597 Bias::Left,
2598 );
2599
2600 if line_start < original_range.start {
2601 head = line_start
2602 } else {
2603 head = next_line_start
2604 }
2605
2606 if head <= original_range.start {
2607 tail = original_range.end;
2608 } else {
2609 tail = original_range.start;
2610 }
2611 }
2612 SelectMode::All => {
2613 return;
2614 }
2615 };
2616
2617 if head < tail {
2618 pending.start = buffer.anchor_before(head);
2619 pending.end = buffer.anchor_before(tail);
2620 pending.reversed = true;
2621 } else {
2622 pending.start = buffer.anchor_before(tail);
2623 pending.end = buffer.anchor_before(head);
2624 pending.reversed = false;
2625 }
2626
2627 self.change_selections(None, cx, |s| {
2628 s.set_pending(pending, mode);
2629 });
2630 } else {
2631 log::error!("update_selection dispatched with no pending selection");
2632 return;
2633 }
2634
2635 self.set_scroll_position(scroll_position, cx);
2636 cx.notify();
2637 }
2638
2639 fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
2640 self.columnar_selection_tail.take();
2641 if self.selections.pending_anchor().is_some() {
2642 let selections = self.selections.all::<usize>(cx);
2643 self.change_selections(None, cx, |s| {
2644 s.select(selections);
2645 s.clear_pending();
2646 });
2647 }
2648 }
2649
2650 fn select_columns(
2651 &mut self,
2652 tail: DisplayPoint,
2653 head: DisplayPoint,
2654 goal_column: u32,
2655 display_map: &DisplaySnapshot,
2656 cx: &mut ViewContext<Self>,
2657 ) {
2658 let start_row = cmp::min(tail.row(), head.row());
2659 let end_row = cmp::max(tail.row(), head.row());
2660 let start_column = cmp::min(tail.column(), goal_column);
2661 let end_column = cmp::max(tail.column(), goal_column);
2662 let reversed = start_column < tail.column();
2663
2664 let selection_ranges = (start_row..=end_row)
2665 .filter_map(|row| {
2666 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2667 let start = display_map
2668 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2669 .to_point(display_map);
2670 let end = display_map
2671 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2672 .to_point(display_map);
2673 if reversed {
2674 Some(end..start)
2675 } else {
2676 Some(start..end)
2677 }
2678 } else {
2679 None
2680 }
2681 })
2682 .collect::<Vec<_>>();
2683
2684 self.change_selections(None, cx, |s| {
2685 s.select_ranges(selection_ranges);
2686 });
2687 cx.notify();
2688 }
2689
2690 pub fn has_pending_nonempty_selection(&self) -> bool {
2691 let pending_nonempty_selection = match self.selections.pending_anchor() {
2692 Some(Selection { start, end, .. }) => start != end,
2693 None => false,
2694 };
2695 pending_nonempty_selection || self.columnar_selection_tail.is_some()
2696 }
2697
2698 pub fn has_pending_selection(&self) -> bool {
2699 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2700 }
2701
2702 // pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
2703 // if self.take_rename(false, cx).is_some() {
2704 // return;
2705 // }
2706
2707 // if hide_hover(self, cx) {
2708 // return;
2709 // }
2710
2711 // if self.hide_context_menu(cx).is_some() {
2712 // return;
2713 // }
2714
2715 // if self.discard_copilot_suggestion(cx) {
2716 // return;
2717 // }
2718
2719 // if self.snippet_stack.pop().is_some() {
2720 // return;
2721 // }
2722
2723 // if self.mode == EditorMode::Full {
2724 // if self.active_diagnostics.is_some() {
2725 // self.dismiss_diagnostics(cx);
2726 // return;
2727 // }
2728
2729 // if self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel()) {
2730 // return;
2731 // }
2732 // }
2733
2734 // cx.propagate_action();
2735 // }
2736
2737 // pub fn handle_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
2738 // let text: Arc<str> = text.into();
2739
2740 // if self.read_only {
2741 // return;
2742 // }
2743
2744 // let selections = self.selections.all_adjusted(cx);
2745 // let mut brace_inserted = false;
2746 // let mut edits = Vec::new();
2747 // let mut new_selections = Vec::with_capacity(selections.len());
2748 // let mut new_autoclose_regions = Vec::new();
2749 // let snapshot = self.buffer.read(cx).read(cx);
2750
2751 // for (selection, autoclose_region) in
2752 // self.selections_with_autoclose_regions(selections, &snapshot)
2753 // {
2754 // if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2755 // // Determine if the inserted text matches the opening or closing
2756 // // bracket of any of this language's bracket pairs.
2757 // let mut bracket_pair = None;
2758 // let mut is_bracket_pair_start = false;
2759 // if !text.is_empty() {
2760 // // `text` can be empty when an user is using IME (e.g. Chinese Wubi Simplified)
2761 // // and they are removing the character that triggered IME popup.
2762 // for (pair, enabled) in scope.brackets() {
2763 // if enabled && pair.close && pair.start.ends_with(text.as_ref()) {
2764 // bracket_pair = Some(pair.clone());
2765 // is_bracket_pair_start = true;
2766 // break;
2767 // } else if pair.end.as_str() == text.as_ref() {
2768 // bracket_pair = Some(pair.clone());
2769 // break;
2770 // }
2771 // }
2772 // }
2773
2774 // if let Some(bracket_pair) = bracket_pair {
2775 // if selection.is_empty() {
2776 // if is_bracket_pair_start {
2777 // let prefix_len = bracket_pair.start.len() - text.len();
2778
2779 // // If the inserted text is a suffix of an opening bracket and the
2780 // // selection is preceded by the rest of the opening bracket, then
2781 // // insert the closing bracket.
2782 // let following_text_allows_autoclose = snapshot
2783 // .chars_at(selection.start)
2784 // .next()
2785 // .map_or(true, |c| scope.should_autoclose_before(c));
2786 // let preceding_text_matches_prefix = prefix_len == 0
2787 // || (selection.start.column >= (prefix_len as u32)
2788 // && snapshot.contains_str_at(
2789 // Point::new(
2790 // selection.start.row,
2791 // selection.start.column - (prefix_len as u32),
2792 // ),
2793 // &bracket_pair.start[..prefix_len],
2794 // ));
2795 // if following_text_allows_autoclose && preceding_text_matches_prefix {
2796 // let anchor = snapshot.anchor_before(selection.end);
2797 // new_selections.push((selection.map(|_| anchor), text.len()));
2798 // new_autoclose_regions.push((
2799 // anchor,
2800 // text.len(),
2801 // selection.id,
2802 // bracket_pair.clone(),
2803 // ));
2804 // edits.push((
2805 // selection.range(),
2806 // format!("{}{}", text, bracket_pair.end).into(),
2807 // ));
2808 // brace_inserted = true;
2809 // continue;
2810 // }
2811 // }
2812
2813 // if let Some(region) = autoclose_region {
2814 // // If the selection is followed by an auto-inserted closing bracket,
2815 // // then don't insert that closing bracket again; just move the selection
2816 // // past the closing bracket.
2817 // let should_skip = selection.end == region.range.end.to_point(&snapshot)
2818 // && text.as_ref() == region.pair.end.as_str();
2819 // if should_skip {
2820 // let anchor = snapshot.anchor_after(selection.end);
2821 // new_selections
2822 // .push((selection.map(|_| anchor), region.pair.end.len()));
2823 // continue;
2824 // }
2825 // }
2826 // }
2827 // // If an opening bracket is 1 character long and is typed while
2828 // // text is selected, then surround that text with the bracket pair.
2829 // else if is_bracket_pair_start && bracket_pair.start.chars().count() == 1 {
2830 // edits.push((selection.start..selection.start, text.clone()));
2831 // edits.push((
2832 // selection.end..selection.end,
2833 // bracket_pair.end.as_str().into(),
2834 // ));
2835 // brace_inserted = true;
2836 // new_selections.push((
2837 // Selection {
2838 // id: selection.id,
2839 // start: snapshot.anchor_after(selection.start),
2840 // end: snapshot.anchor_before(selection.end),
2841 // reversed: selection.reversed,
2842 // goal: selection.goal,
2843 // },
2844 // 0,
2845 // ));
2846 // continue;
2847 // }
2848 // }
2849 // }
2850
2851 // // If not handling any auto-close operation, then just replace the selected
2852 // // text with the given input and move the selection to the end of the
2853 // // newly inserted text.
2854 // let anchor = snapshot.anchor_after(selection.end);
2855 // new_selections.push((selection.map(|_| anchor), 0));
2856 // edits.push((selection.start..selection.end, text.clone()));
2857 // }
2858
2859 // drop(snapshot);
2860 // self.transact(cx, |this, cx| {
2861 // this.buffer.update(cx, |buffer, cx| {
2862 // buffer.edit(edits, this.autoindent_mode.clone(), cx);
2863 // });
2864
2865 // let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2866 // let new_selection_deltas = new_selections.iter().map(|e| e.1);
2867 // let snapshot = this.buffer.read(cx).read(cx);
2868 // let new_selections = resolve_multiple::<usize, _>(new_anchor_selections, &snapshot)
2869 // .zip(new_selection_deltas)
2870 // .map(|(selection, delta)| Selection {
2871 // id: selection.id,
2872 // start: selection.start + delta,
2873 // end: selection.end + delta,
2874 // reversed: selection.reversed,
2875 // goal: SelectionGoal::None,
2876 // })
2877 // .collect::<Vec<_>>();
2878
2879 // let mut i = 0;
2880 // for (position, delta, selection_id, pair) in new_autoclose_regions {
2881 // let position = position.to_offset(&snapshot) + delta;
2882 // let start = snapshot.anchor_before(position);
2883 // let end = snapshot.anchor_after(position);
2884 // while let Some(existing_state) = this.autoclose_regions.get(i) {
2885 // match existing_state.range.start.cmp(&start, &snapshot) {
2886 // Ordering::Less => i += 1,
2887 // Ordering::Greater => break,
2888 // Ordering::Equal => match end.cmp(&existing_state.range.end, &snapshot) {
2889 // Ordering::Less => i += 1,
2890 // Ordering::Equal => break,
2891 // Ordering::Greater => break,
2892 // },
2893 // }
2894 // }
2895 // this.autoclose_regions.insert(
2896 // i,
2897 // AutocloseRegion {
2898 // selection_id,
2899 // range: start..end,
2900 // pair,
2901 // },
2902 // );
2903 // }
2904
2905 // drop(snapshot);
2906 // let had_active_copilot_suggestion = this.has_active_copilot_suggestion(cx);
2907 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
2908
2909 // if !brace_inserted && EditorSettings>(cx).use_on_type_format {
2910 // if let Some(on_type_format_task) =
2911 // this.trigger_on_type_formatting(text.to_string(), cx)
2912 // {
2913 // on_type_format_task.detach_and_log_err(cx);
2914 // }
2915 // }
2916
2917 // if had_active_copilot_suggestion {
2918 // this.refresh_copilot_suggestions(true, cx);
2919 // if !this.has_active_copilot_suggestion(cx) {
2920 // this.trigger_completion_on_input(&text, cx);
2921 // }
2922 // } else {
2923 // this.trigger_completion_on_input(&text, cx);
2924 // this.refresh_copilot_suggestions(true, cx);
2925 // }
2926 // });
2927 // }
2928
2929 // pub fn newline(&mut self, _: &Newline, cx: &mut ViewContext<Self>) {
2930 // self.transact(cx, |this, cx| {
2931 // let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
2932 // let selections = this.selections.all::<usize>(cx);
2933 // let multi_buffer = this.buffer.read(cx);
2934 // let buffer = multi_buffer.snapshot(cx);
2935 // selections
2936 // .iter()
2937 // .map(|selection| {
2938 // let start_point = selection.start.to_point(&buffer);
2939 // let mut indent = buffer.indent_size_for_line(start_point.row);
2940 // indent.len = cmp::min(indent.len, start_point.column);
2941 // let start = selection.start;
2942 // let end = selection.end;
2943 // let is_cursor = start == end;
2944 // let language_scope = buffer.language_scope_at(start);
2945 // let (comment_delimiter, insert_extra_newline) = if let Some(language) =
2946 // &language_scope
2947 // {
2948 // let leading_whitespace_len = buffer
2949 // .reversed_chars_at(start)
2950 // .take_while(|c| c.is_whitespace() && *c != '\n')
2951 // .map(|c| c.len_utf8())
2952 // .sum::<usize>();
2953
2954 // let trailing_whitespace_len = buffer
2955 // .chars_at(end)
2956 // .take_while(|c| c.is_whitespace() && *c != '\n')
2957 // .map(|c| c.len_utf8())
2958 // .sum::<usize>();
2959
2960 // let insert_extra_newline =
2961 // language.brackets().any(|(pair, enabled)| {
2962 // let pair_start = pair.start.trim_end();
2963 // let pair_end = pair.end.trim_start();
2964
2965 // enabled
2966 // && pair.newline
2967 // && buffer.contains_str_at(
2968 // end + trailing_whitespace_len,
2969 // pair_end,
2970 // )
2971 // && buffer.contains_str_at(
2972 // (start - leading_whitespace_len)
2973 // .saturating_sub(pair_start.len()),
2974 // pair_start,
2975 // )
2976 // });
2977 // // Comment extension on newline is allowed only for cursor selections
2978 // let comment_delimiter = language.line_comment_prefix().filter(|_| {
2979 // let is_comment_extension_enabled =
2980 // multi_buffer.settings_at(0, cx).extend_comment_on_newline;
2981 // is_cursor && is_comment_extension_enabled
2982 // });
2983 // let comment_delimiter = if let Some(delimiter) = comment_delimiter {
2984 // buffer
2985 // .buffer_line_for_row(start_point.row)
2986 // .is_some_and(|(snapshot, range)| {
2987 // let mut index_of_first_non_whitespace = 0;
2988 // let line_starts_with_comment = snapshot
2989 // .chars_for_range(range)
2990 // .skip_while(|c| {
2991 // let should_skip = c.is_whitespace();
2992 // if should_skip {
2993 // index_of_first_non_whitespace += 1;
2994 // }
2995 // should_skip
2996 // })
2997 // .take(delimiter.len())
2998 // .eq(delimiter.chars());
2999 // let cursor_is_placed_after_comment_marker =
3000 // index_of_first_non_whitespace + delimiter.len()
3001 // <= start_point.column as usize;
3002 // line_starts_with_comment
3003 // && cursor_is_placed_after_comment_marker
3004 // })
3005 // .then(|| delimiter.clone())
3006 // } else {
3007 // None
3008 // };
3009 // (comment_delimiter, insert_extra_newline)
3010 // } else {
3011 // (None, false)
3012 // };
3013
3014 // let capacity_for_delimiter = comment_delimiter
3015 // .as_deref()
3016 // .map(str::len)
3017 // .unwrap_or_default();
3018 // let mut new_text =
3019 // String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3020 // new_text.push_str("\n");
3021 // new_text.extend(indent.chars());
3022 // if let Some(delimiter) = &comment_delimiter {
3023 // new_text.push_str(&delimiter);
3024 // }
3025 // if insert_extra_newline {
3026 // new_text = new_text.repeat(2);
3027 // }
3028
3029 // let anchor = buffer.anchor_after(end);
3030 // let new_selection = selection.map(|_| anchor);
3031 // (
3032 // (start..end, new_text),
3033 // (insert_extra_newline, new_selection),
3034 // )
3035 // })
3036 // .unzip()
3037 // };
3038
3039 // this.edit_with_autoindent(edits, cx);
3040 // let buffer = this.buffer.read(cx).snapshot(cx);
3041 // let new_selections = selection_fixup_info
3042 // .into_iter()
3043 // .map(|(extra_newline_inserted, new_selection)| {
3044 // let mut cursor = new_selection.end.to_point(&buffer);
3045 // if extra_newline_inserted {
3046 // cursor.row -= 1;
3047 // cursor.column = buffer.line_len(cursor.row);
3048 // }
3049 // new_selection.map(|_| cursor)
3050 // })
3051 // .collect();
3052
3053 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
3054 // this.refresh_copilot_suggestions(true, cx);
3055 // });
3056 // }
3057
3058 // pub fn newline_above(&mut self, _: &NewlineAbove, cx: &mut ViewContext<Self>) {
3059 // let buffer = self.buffer.read(cx);
3060 // let snapshot = buffer.snapshot(cx);
3061
3062 // let mut edits = Vec::new();
3063 // let mut rows = Vec::new();
3064 // let mut rows_inserted = 0;
3065
3066 // for selection in self.selections.all_adjusted(cx) {
3067 // let cursor = selection.head();
3068 // let row = cursor.row;
3069
3070 // let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3071
3072 // let newline = "\n".to_string();
3073 // edits.push((start_of_line..start_of_line, newline));
3074
3075 // rows.push(row + rows_inserted);
3076 // rows_inserted += 1;
3077 // }
3078
3079 // self.transact(cx, |editor, cx| {
3080 // editor.edit(edits, cx);
3081
3082 // editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3083 // let mut index = 0;
3084 // s.move_cursors_with(|map, _, _| {
3085 // let row = rows[index];
3086 // index += 1;
3087
3088 // let point = Point::new(row, 0);
3089 // let boundary = map.next_line_boundary(point).1;
3090 // let clipped = map.clip_point(boundary, Bias::Left);
3091
3092 // (clipped, SelectionGoal::None)
3093 // });
3094 // });
3095
3096 // let mut indent_edits = Vec::new();
3097 // let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3098 // for row in rows {
3099 // let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3100 // for (row, indent) in indents {
3101 // if indent.len == 0 {
3102 // continue;
3103 // }
3104
3105 // let text = match indent.kind {
3106 // IndentKind::Space => " ".repeat(indent.len as usize),
3107 // IndentKind::Tab => "\t".repeat(indent.len as usize),
3108 // };
3109 // let point = Point::new(row, 0);
3110 // indent_edits.push((point..point, text));
3111 // }
3112 // }
3113 // editor.edit(indent_edits, cx);
3114 // });
3115 // }
3116
3117 // pub fn newline_below(&mut self, _: &NewlineBelow, cx: &mut ViewContext<Self>) {
3118 // let buffer = self.buffer.read(cx);
3119 // let snapshot = buffer.snapshot(cx);
3120
3121 // let mut edits = Vec::new();
3122 // let mut rows = Vec::new();
3123 // let mut rows_inserted = 0;
3124
3125 // for selection in self.selections.all_adjusted(cx) {
3126 // let cursor = selection.head();
3127 // let row = cursor.row;
3128
3129 // let point = Point::new(row + 1, 0);
3130 // let start_of_line = snapshot.clip_point(point, Bias::Left);
3131
3132 // let newline = "\n".to_string();
3133 // edits.push((start_of_line..start_of_line, newline));
3134
3135 // rows_inserted += 1;
3136 // rows.push(row + rows_inserted);
3137 // }
3138
3139 // self.transact(cx, |editor, cx| {
3140 // editor.edit(edits, cx);
3141
3142 // editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3143 // let mut index = 0;
3144 // s.move_cursors_with(|map, _, _| {
3145 // let row = rows[index];
3146 // index += 1;
3147
3148 // let point = Point::new(row, 0);
3149 // let boundary = map.next_line_boundary(point).1;
3150 // let clipped = map.clip_point(boundary, Bias::Left);
3151
3152 // (clipped, SelectionGoal::None)
3153 // });
3154 // });
3155
3156 // let mut indent_edits = Vec::new();
3157 // let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3158 // for row in rows {
3159 // let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3160 // for (row, indent) in indents {
3161 // if indent.len == 0 {
3162 // continue;
3163 // }
3164
3165 // let text = match indent.kind {
3166 // IndentKind::Space => " ".repeat(indent.len as usize),
3167 // IndentKind::Tab => "\t".repeat(indent.len as usize),
3168 // };
3169 // let point = Point::new(row, 0);
3170 // indent_edits.push((point..point, text));
3171 // }
3172 // }
3173 // editor.edit(indent_edits, cx);
3174 // });
3175 // }
3176
3177 // pub fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3178 // self.insert_with_autoindent_mode(
3179 // text,
3180 // Some(AutoindentMode::Block {
3181 // original_indent_columns: Vec::new(),
3182 // }),
3183 // cx,
3184 // );
3185 // }
3186
3187 fn insert_with_autoindent_mode(
3188 &mut self,
3189 text: &str,
3190 autoindent_mode: Option<AutoindentMode>,
3191 cx: &mut ViewContext<Self>,
3192 ) {
3193 if self.read_only {
3194 return;
3195 }
3196
3197 let text: Arc<str> = text.into();
3198 self.transact(cx, |this, cx| {
3199 let old_selections = this.selections.all_adjusted(cx);
3200 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3201 let anchors = {
3202 let snapshot = buffer.read(cx);
3203 old_selections
3204 .iter()
3205 .map(|s| {
3206 let anchor = snapshot.anchor_after(s.head());
3207 s.map(|_| anchor)
3208 })
3209 .collect::<Vec<_>>()
3210 };
3211 buffer.edit(
3212 old_selections
3213 .iter()
3214 .map(|s| (s.start..s.end, text.clone())),
3215 autoindent_mode,
3216 cx,
3217 );
3218 anchors
3219 });
3220
3221 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
3222 s.select_anchors(selection_anchors);
3223 })
3224 });
3225 }
3226
3227 // fn trigger_completion_on_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3228 // if !EditorSettings>(cx).show_completions_on_input {
3229 // return;
3230 // }
3231
3232 // let selection = self.selections.newest_anchor();
3233 // if self
3234 // .buffer
3235 // .read(cx)
3236 // .is_completion_trigger(selection.head(), text, cx)
3237 // {
3238 // self.show_completions(&ShowCompletions, cx);
3239 // } else {
3240 // self.hide_context_menu(cx);
3241 // }
3242 // }
3243
3244 // /// If any empty selections is touching the start of its innermost containing autoclose
3245 // /// region, expand it to select the brackets.
3246 // fn select_autoclose_pair(&mut self, cx: &mut ViewContext<Self>) {
3247 // let selections = self.selections.all::<usize>(cx);
3248 // let buffer = self.buffer.read(cx).read(cx);
3249 // let mut new_selections = Vec::new();
3250 // for (mut selection, region) in self.selections_with_autoclose_regions(selections, &buffer) {
3251 // if let (Some(region), true) = (region, selection.is_empty()) {
3252 // let mut range = region.range.to_offset(&buffer);
3253 // if selection.start == range.start {
3254 // if range.start >= region.pair.start.len() {
3255 // range.start -= region.pair.start.len();
3256 // if buffer.contains_str_at(range.start, ®ion.pair.start) {
3257 // if buffer.contains_str_at(range.end, ®ion.pair.end) {
3258 // range.end += region.pair.end.len();
3259 // selection.start = range.start;
3260 // selection.end = range.end;
3261 // }
3262 // }
3263 // }
3264 // }
3265 // }
3266 // new_selections.push(selection);
3267 // }
3268
3269 // drop(buffer);
3270 // self.change_selections(None, cx, |selections| selections.select(new_selections));
3271 // }
3272
3273 // /// Iterate the given selections, and for each one, find the smallest surrounding
3274 // /// autoclose region. This uses the ordering of the selections and the autoclose
3275 // /// regions to avoid repeated comparisons.
3276 // fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3277 // &'a self,
3278 // selections: impl IntoIterator<Item = Selection<D>>,
3279 // buffer: &'a MultiBufferSnapshot,
3280 // ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3281 // let mut i = 0;
3282 // let mut regions = self.autoclose_regions.as_slice();
3283 // selections.into_iter().map(move |selection| {
3284 // let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3285
3286 // let mut enclosing = None;
3287 // while let Some(pair_state) = regions.get(i) {
3288 // if pair_state.range.end.to_offset(buffer) < range.start {
3289 // regions = ®ions[i + 1..];
3290 // i = 0;
3291 // } else if pair_state.range.start.to_offset(buffer) > range.end {
3292 // break;
3293 // } else {
3294 // if pair_state.selection_id == selection.id {
3295 // enclosing = Some(pair_state);
3296 // }
3297 // i += 1;
3298 // }
3299 // }
3300
3301 // (selection.clone(), enclosing)
3302 // })
3303 // }
3304
3305 /// Remove any autoclose regions that no longer contain their selection.
3306 fn invalidate_autoclose_regions(
3307 &mut self,
3308 mut selections: &[Selection<Anchor>],
3309 buffer: &MultiBufferSnapshot,
3310 ) {
3311 self.autoclose_regions.retain(|state| {
3312 let mut i = 0;
3313 while let Some(selection) = selections.get(i) {
3314 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3315 selections = &selections[1..];
3316 continue;
3317 }
3318 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3319 break;
3320 }
3321 if selection.id == state.selection_id {
3322 return true;
3323 } else {
3324 i += 1;
3325 }
3326 }
3327 false
3328 });
3329 }
3330
3331 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3332 let offset = position.to_offset(buffer);
3333 let (word_range, kind) = buffer.surrounding_word(offset);
3334 if offset > word_range.start && kind == Some(CharKind::Word) {
3335 Some(
3336 buffer
3337 .text_for_range(word_range.start..offset)
3338 .collect::<String>(),
3339 )
3340 } else {
3341 None
3342 }
3343 }
3344
3345 // pub fn toggle_inlay_hints(&mut self, _: &ToggleInlayHints, cx: &mut ViewContext<Self>) {
3346 // todo!();
3347 // // self.refresh_inlay_hints(
3348 // // InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3349 // // cx,
3350 // // );
3351 // }
3352
3353 // pub fn inlay_hints_enabled(&self) -> bool {
3354 // todo!();
3355 // self.inlay_hint_cache.enabled
3356 // }
3357
3358 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut ViewContext<Self>) {
3359 if self.project.is_none() || self.mode != EditorMode::Full {
3360 return;
3361 }
3362
3363 let reason_description = reason.description();
3364 let (invalidate_cache, required_languages) = match reason {
3365 InlayHintRefreshReason::Toggle(enabled) => {
3366 self.inlay_hint_cache.enabled = enabled;
3367 if enabled {
3368 (InvalidationStrategy::RefreshRequested, None)
3369 } else {
3370 self.inlay_hint_cache.clear();
3371 self.splice_inlay_hints(
3372 self.visible_inlay_hints(cx)
3373 .iter()
3374 .map(|inlay| inlay.id)
3375 .collect(),
3376 Vec::new(),
3377 cx,
3378 );
3379 return;
3380 }
3381 }
3382 InlayHintRefreshReason::SettingsChange(new_settings) => {
3383 match self.inlay_hint_cache.update_settings(
3384 &self.buffer,
3385 new_settings,
3386 self.visible_inlay_hints(cx),
3387 cx,
3388 ) {
3389 ControlFlow::Break(Some(InlaySplice {
3390 to_remove,
3391 to_insert,
3392 })) => {
3393 self.splice_inlay_hints(to_remove, to_insert, cx);
3394 return;
3395 }
3396 ControlFlow::Break(None) => return,
3397 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3398 }
3399 }
3400 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3401 if let Some(InlaySplice {
3402 to_remove,
3403 to_insert,
3404 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3405 {
3406 self.splice_inlay_hints(to_remove, to_insert, cx);
3407 }
3408 return;
3409 }
3410 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3411 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3412 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3413 }
3414 InlayHintRefreshReason::RefreshRequested => {
3415 (InvalidationStrategy::RefreshRequested, None)
3416 }
3417 };
3418
3419 if let Some(InlaySplice {
3420 to_remove,
3421 to_insert,
3422 }) = self.inlay_hint_cache.spawn_hint_refresh(
3423 reason_description,
3424 self.excerpt_visible_offsets(required_languages.as_ref(), cx),
3425 invalidate_cache,
3426 cx,
3427 ) {
3428 self.splice_inlay_hints(to_remove, to_insert, cx);
3429 }
3430 }
3431
3432 fn visible_inlay_hints(&self, cx: &ViewContext<'_, Editor>) -> Vec<Inlay> {
3433 self.display_map
3434 .read(cx)
3435 .current_inlays()
3436 .filter(move |inlay| {
3437 Some(inlay.id) != self.copilot_state.suggestion.as_ref().map(|h| h.id)
3438 })
3439 .cloned()
3440 .collect()
3441 }
3442
3443 pub fn excerpt_visible_offsets(
3444 &self,
3445 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3446 cx: &mut ViewContext<Editor>,
3447 ) -> HashMap<ExcerptId, (Model<Buffer>, clock::Global, Range<usize>)> {
3448 let multi_buffer = self.buffer().read(cx);
3449 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3450 let multi_buffer_visible_start = self
3451 .scroll_manager
3452 .anchor()
3453 .anchor
3454 .to_point(&multi_buffer_snapshot);
3455 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3456 multi_buffer_visible_start
3457 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3458 Bias::Left,
3459 );
3460 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3461 multi_buffer
3462 .range_to_buffer_ranges(multi_buffer_visible_range, cx)
3463 .into_iter()
3464 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3465 .filter_map(|(buffer_handle, excerpt_visible_range, excerpt_id)| {
3466 let buffer = buffer_handle.read(cx);
3467 let language = buffer.language()?;
3468 if let Some(restrict_to_languages) = restrict_to_languages {
3469 if !restrict_to_languages.contains(language) {
3470 return None;
3471 }
3472 }
3473 Some((
3474 excerpt_id,
3475 (
3476 buffer_handle,
3477 buffer.version().clone(),
3478 excerpt_visible_range,
3479 ),
3480 ))
3481 })
3482 .collect()
3483 }
3484
3485 // pub fn text_layout_details(&self, cx: &WindowContext) -> TextLayoutDetails {
3486 // TextLayoutDetails {
3487 // font_cache: cx.font_cache().clone(),
3488 // text_layout_cache: cx.text_layout_cache().clone(),
3489 // editor_style: self.style(cx),
3490 // }
3491 // }
3492
3493 fn splice_inlay_hints(
3494 &self,
3495 to_remove: Vec<InlayId>,
3496 to_insert: Vec<Inlay>,
3497 cx: &mut ViewContext<Self>,
3498 ) {
3499 self.display_map.update(cx, |display_map, cx| {
3500 display_map.splice_inlays(to_remove, to_insert, cx);
3501 });
3502 cx.notify();
3503 }
3504
3505 // fn trigger_on_type_formatting(
3506 // &self,
3507 // input: String,
3508 // cx: &mut ViewContext<Self>,
3509 // ) -> Option<Task<Result<()>>> {
3510 // if input.len() != 1 {
3511 // return None;
3512 // }
3513
3514 // let project = self.project.as_ref()?;
3515 // let position = self.selections.newest_anchor().head();
3516 // let (buffer, buffer_position) = self
3517 // .buffer
3518 // .read(cx)
3519 // .text_anchor_for_position(position.clone(), cx)?;
3520
3521 // // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3522 // // hence we do LSP request & edit on host side only — add formats to host's history.
3523 // let push_to_lsp_host_history = true;
3524 // // If this is not the host, append its history with new edits.
3525 // let push_to_client_history = project.read(cx).is_remote();
3526
3527 // let on_type_formatting = project.update(cx, |project, cx| {
3528 // project.on_type_format(
3529 // buffer.clone(),
3530 // buffer_position,
3531 // input,
3532 // push_to_lsp_host_history,
3533 // cx,
3534 // )
3535 // });
3536 // Some(cx.spawn(|editor, mut cx| async move {
3537 // if let Some(transaction) = on_type_formatting.await? {
3538 // if push_to_client_history {
3539 // buffer.update(&mut cx, |buffer, _| {
3540 // buffer.push_transaction(transaction, Instant::now());
3541 // });
3542 // }
3543 // editor.update(&mut cx, |editor, cx| {
3544 // editor.refresh_document_highlights(cx);
3545 // })?;
3546 // }
3547 // Ok(())
3548 // }))
3549 // }
3550
3551 fn show_completions(&mut self, _: &ShowCompletions, cx: &mut ViewContext<Self>) {
3552 if self.pending_rename.is_some() {
3553 return;
3554 }
3555
3556 let project = if let Some(project) = self.project.clone() {
3557 project
3558 } else {
3559 return;
3560 };
3561
3562 let position = self.selections.newest_anchor().head();
3563 let (buffer, buffer_position) = if let Some(output) = self
3564 .buffer
3565 .read(cx)
3566 .text_anchor_for_position(position.clone(), cx)
3567 {
3568 output
3569 } else {
3570 return;
3571 };
3572
3573 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position.clone());
3574 let completions = project.update(cx, |project, cx| {
3575 project.completions(&buffer, buffer_position, cx)
3576 });
3577
3578 let id = post_inc(&mut self.next_completion_id);
3579 let task = cx.spawn(|this, mut cx| {
3580 async move {
3581 let menu = if let Some(completions) = completions.await.log_err() {
3582 let mut menu = CompletionsMenu {
3583 id,
3584 initial_position: position,
3585 match_candidates: completions
3586 .iter()
3587 .enumerate()
3588 .map(|(id, completion)| {
3589 StringMatchCandidate::new(
3590 id,
3591 completion.label.text[completion.label.filter_range.clone()]
3592 .into(),
3593 )
3594 })
3595 .collect(),
3596 buffer,
3597 completions: Arc::new(RwLock::new(completions.into())),
3598 matches: Vec::new().into(),
3599 selected_item: 0,
3600 list: Default::default(),
3601 };
3602 menu.filter(query.as_deref(), cx.background_executor().clone())
3603 .await;
3604 if menu.matches.is_empty() {
3605 None
3606 } else {
3607 _ = this.update(&mut cx, |editor, cx| {
3608 menu.pre_resolve_completion_documentation(editor.project.clone(), cx);
3609 });
3610 Some(menu)
3611 }
3612 } else {
3613 None
3614 };
3615
3616 this.update(&mut cx, |this, cx| {
3617 this.completion_tasks.retain(|(task_id, _)| *task_id > id);
3618
3619 let mut context_menu = this.context_menu.write();
3620 match context_menu.as_ref() {
3621 None => {}
3622
3623 Some(ContextMenu::Completions(prev_menu)) => {
3624 if prev_menu.id > id {
3625 return;
3626 }
3627 }
3628
3629 _ => return,
3630 }
3631
3632 if this.focus_handle.is_focused(cx) && menu.is_some() {
3633 let menu = menu.unwrap();
3634 *context_menu = Some(ContextMenu::Completions(menu));
3635 drop(context_menu);
3636 this.discard_copilot_suggestion(cx);
3637 cx.notify();
3638 } else if this.completion_tasks.is_empty() {
3639 // If there are no more completion tasks and the last menu was
3640 // empty, we should hide it. If it was already hidden, we should
3641 // also show the copilot suggestion when available.
3642 drop(context_menu);
3643 if this.hide_context_menu(cx).is_none() {
3644 this.update_visible_copilot_suggestion(cx);
3645 }
3646 }
3647 })?;
3648
3649 Ok::<_, anyhow::Error>(())
3650 }
3651 .log_err()
3652 });
3653 self.completion_tasks.push((id, task));
3654 }
3655
3656 // pub fn confirm_completion(
3657 // &mut self,
3658 // action: &ConfirmCompletion,
3659 // cx: &mut ViewContext<Self>,
3660 // ) -> Option<Task<Result<()>>> {
3661 // use language::ToOffset as _;
3662
3663 // let completions_menu = if let ContextMenu::Completions(menu) = self.hide_context_menu(cx)? {
3664 // menu
3665 // } else {
3666 // return None;
3667 // };
3668
3669 // let mat = completions_menu
3670 // .matches
3671 // .get(action.item_ix.unwrap_or(completions_menu.selected_item))?;
3672 // let buffer_handle = completions_menu.buffer;
3673 // let completions = completions_menu.completions.read();
3674 // let completion = completions.get(mat.candidate_id)?;
3675
3676 // let snippet;
3677 // let text;
3678 // if completion.is_snippet() {
3679 // snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
3680 // text = snippet.as_ref().unwrap().text.clone();
3681 // } else {
3682 // snippet = None;
3683 // text = completion.new_text.clone();
3684 // };
3685 // let selections = self.selections.all::<usize>(cx);
3686 // let buffer = buffer_handle.read(cx);
3687 // let old_range = completion.old_range.to_offset(buffer);
3688 // let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
3689
3690 // let newest_selection = self.selections.newest_anchor();
3691 // if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
3692 // return None;
3693 // }
3694
3695 // let lookbehind = newest_selection
3696 // .start
3697 // .text_anchor
3698 // .to_offset(buffer)
3699 // .saturating_sub(old_range.start);
3700 // let lookahead = old_range
3701 // .end
3702 // .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
3703 // let mut common_prefix_len = old_text
3704 // .bytes()
3705 // .zip(text.bytes())
3706 // .take_while(|(a, b)| a == b)
3707 // .count();
3708
3709 // let snapshot = self.buffer.read(cx).snapshot(cx);
3710 // let mut range_to_replace: Option<Range<isize>> = None;
3711 // let mut ranges = Vec::new();
3712 // for selection in &selections {
3713 // if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
3714 // let start = selection.start.saturating_sub(lookbehind);
3715 // let end = selection.end + lookahead;
3716 // if selection.id == newest_selection.id {
3717 // range_to_replace = Some(
3718 // ((start + common_prefix_len) as isize - selection.start as isize)
3719 // ..(end as isize - selection.start as isize),
3720 // );
3721 // }
3722 // ranges.push(start + common_prefix_len..end);
3723 // } else {
3724 // common_prefix_len = 0;
3725 // ranges.clear();
3726 // ranges.extend(selections.iter().map(|s| {
3727 // if s.id == newest_selection.id {
3728 // range_to_replace = Some(
3729 // old_range.start.to_offset_utf16(&snapshot).0 as isize
3730 // - selection.start as isize
3731 // ..old_range.end.to_offset_utf16(&snapshot).0 as isize
3732 // - selection.start as isize,
3733 // );
3734 // old_range.clone()
3735 // } else {
3736 // s.start..s.end
3737 // }
3738 // }));
3739 // break;
3740 // }
3741 // }
3742 // let text = &text[common_prefix_len..];
3743
3744 // cx.emit(Event::InputHandled {
3745 // utf16_range_to_replace: range_to_replace,
3746 // text: text.into(),
3747 // });
3748
3749 // self.transact(cx, |this, cx| {
3750 // if let Some(mut snippet) = snippet {
3751 // snippet.text = text.to_string();
3752 // for tabstop in snippet.tabstops.iter_mut().flatten() {
3753 // tabstop.start -= common_prefix_len as isize;
3754 // tabstop.end -= common_prefix_len as isize;
3755 // }
3756
3757 // this.insert_snippet(&ranges, snippet, cx).log_err();
3758 // } else {
3759 // this.buffer.update(cx, |buffer, cx| {
3760 // buffer.edit(
3761 // ranges.iter().map(|range| (range.clone(), text)),
3762 // this.autoindent_mode.clone(),
3763 // cx,
3764 // );
3765 // });
3766 // }
3767
3768 // this.refresh_copilot_suggestions(true, cx);
3769 // });
3770
3771 // let project = self.project.clone()?;
3772 // let apply_edits = project.update(cx, |project, cx| {
3773 // project.apply_additional_edits_for_completion(
3774 // buffer_handle,
3775 // completion.clone(),
3776 // true,
3777 // cx,
3778 // )
3779 // });
3780 // Some(cx.foreground().spawn(async move {
3781 // apply_edits.await?;
3782 // Ok(())
3783 // }))
3784 // }
3785
3786 // pub fn toggle_code_actions(&mut self, action: &ToggleCodeActions, cx: &mut ViewContext<Self>) {
3787 // let mut context_menu = self.context_menu.write();
3788 // if matches!(context_menu.as_ref(), Some(ContextMenu::CodeActions(_))) {
3789 // *context_menu = None;
3790 // cx.notify();
3791 // return;
3792 // }
3793 // drop(context_menu);
3794
3795 // let deployed_from_indicator = action.deployed_from_indicator;
3796 // let mut task = self.code_actions_task.take();
3797 // cx.spawn(|this, mut cx| async move {
3798 // while let Some(prev_task) = task {
3799 // prev_task.await;
3800 // task = this.update(&mut cx, |this, _| this.code_actions_task.take())?;
3801 // }
3802
3803 // this.update(&mut cx, |this, cx| {
3804 // if this.focused {
3805 // if let Some((buffer, actions)) = this.available_code_actions.clone() {
3806 // this.completion_tasks.clear();
3807 // this.discard_copilot_suggestion(cx);
3808 // *this.context_menu.write() =
3809 // Some(ContextMenu::CodeActions(CodeActionsMenu {
3810 // buffer,
3811 // actions,
3812 // selected_item: Default::default(),
3813 // list: Default::default(),
3814 // deployed_from_indicator,
3815 // }));
3816 // }
3817 // }
3818 // })?;
3819
3820 // Ok::<_, anyhow::Error>(())
3821 // })
3822 // .detach_and_log_err(cx);
3823 // }
3824
3825 // pub fn confirm_code_action(
3826 // workspace: &mut Workspace,
3827 // action: &ConfirmCodeAction,
3828 // cx: &mut ViewContext<Workspace>,
3829 // ) -> Option<Task<Result<()>>> {
3830 // let editor = workspace.active_item(cx)?.act_as::<Editor>(cx)?;
3831 // let actions_menu = if let ContextMenu::CodeActions(menu) =
3832 // editor.update(cx, |editor, cx| editor.hide_context_menu(cx))?
3833 // {
3834 // menu
3835 // } else {
3836 // return None;
3837 // };
3838 // let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
3839 // let action = actions_menu.actions.get(action_ix)?.clone();
3840 // let title = action.lsp_action.title.clone();
3841 // let buffer = actions_menu.buffer;
3842
3843 // let apply_code_actions = workspace.project().clone().update(cx, |project, cx| {
3844 // project.apply_code_action(buffer, action, true, cx)
3845 // });
3846 // let editor = editor.downgrade();
3847 // Some(cx.spawn(|workspace, cx| async move {
3848 // let project_transaction = apply_code_actions.await?;
3849 // Self::open_project_transaction(&editor, workspace, project_transaction, title, cx).await
3850 // }))
3851 // }
3852
3853 // async fn open_project_transaction(
3854 // this: &WeakViewHandle<Editor
3855 // workspace: WeakViewHandle<Workspace
3856 // transaction: ProjectTransaction,
3857 // title: String,
3858 // mut cx: AsyncAppContext,
3859 // ) -> Result<()> {
3860 // let replica_id = this.read_with(&cx, |this, cx| this.replica_id(cx))?;
3861
3862 // let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
3863 // entries.sort_unstable_by_key(|(buffer, _)| {
3864 // buffer.read_with(&cx, |buffer, _| buffer.file().map(|f| f.path().clone()))
3865 // });
3866
3867 // // If the project transaction's edits are all contained within this editor, then
3868 // // avoid opening a new editor to display them.
3869
3870 // if let Some((buffer, transaction)) = entries.first() {
3871 // if entries.len() == 1 {
3872 // let excerpt = this.read_with(&cx, |editor, cx| {
3873 // editor
3874 // .buffer()
3875 // .read(cx)
3876 // .excerpt_containing(editor.selections.newest_anchor().head(), cx)
3877 // })?;
3878 // if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
3879 // if excerpted_buffer == *buffer {
3880 // let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
3881 // let excerpt_range = excerpt_range.to_offset(buffer);
3882 // buffer
3883 // .edited_ranges_for_transaction::<usize>(transaction)
3884 // .all(|range| {
3885 // excerpt_range.start <= range.start
3886 // && excerpt_range.end >= range.end
3887 // })
3888 // });
3889
3890 // if all_edits_within_excerpt {
3891 // return Ok(());
3892 // }
3893 // }
3894 // }
3895 // }
3896 // } else {
3897 // return Ok(());
3898 // }
3899
3900 // let mut ranges_to_highlight = Vec::new();
3901 // let excerpt_buffer = cx.build_model(|cx| {
3902 // let mut multibuffer = MultiBuffer::new(replica_id).with_title(title);
3903 // for (buffer_handle, transaction) in &entries {
3904 // let buffer = buffer_handle.read(cx);
3905 // ranges_to_highlight.extend(
3906 // multibuffer.push_excerpts_with_context_lines(
3907 // buffer_handle.clone(),
3908 // buffer
3909 // .edited_ranges_for_transaction::<usize>(transaction)
3910 // .collect(),
3911 // 1,
3912 // cx,
3913 // ),
3914 // );
3915 // }
3916 // multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
3917 // multibuffer
3918 // });
3919
3920 // workspace.update(&mut cx, |workspace, cx| {
3921 // let project = workspace.project().clone();
3922 // let editor =
3923 // cx.add_view(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), cx));
3924 // workspace.add_item(Box::new(editor.clone()), cx);
3925 // editor.update(cx, |editor, cx| {
3926 // editor.highlight_background::<Self>(
3927 // ranges_to_highlight,
3928 // |theme| theme.editor.highlighted_line_background,
3929 // cx,
3930 // );
3931 // });
3932 // })?;
3933
3934 // Ok(())
3935 // }
3936
3937 fn refresh_code_actions(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
3938 let project = self.project.clone()?;
3939 let buffer = self.buffer.read(cx);
3940 let newest_selection = self.selections.newest_anchor().clone();
3941 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
3942 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
3943 if start_buffer != end_buffer {
3944 return None;
3945 }
3946
3947 self.code_actions_task = Some(cx.spawn(|this, mut cx| async move {
3948 cx.background_executor()
3949 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
3950 .await;
3951
3952 let actions = if let Ok(code_actions) = project.update(&mut cx, |project, cx| {
3953 project.code_actions(&start_buffer, start..end, cx)
3954 }) {
3955 code_actions.await.log_err()
3956 } else {
3957 None
3958 };
3959
3960 this.update(&mut cx, |this, cx| {
3961 this.available_code_actions = actions.and_then(|actions| {
3962 if actions.is_empty() {
3963 None
3964 } else {
3965 Some((start_buffer, actions.into()))
3966 }
3967 });
3968 cx.notify();
3969 })
3970 .log_err();
3971 }));
3972 None
3973 }
3974
3975 fn refresh_document_highlights(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
3976 if self.pending_rename.is_some() {
3977 return None;
3978 }
3979
3980 let project = self.project.clone()?;
3981 let buffer = self.buffer.read(cx);
3982 let newest_selection = self.selections.newest_anchor().clone();
3983 let cursor_position = newest_selection.head();
3984 let (cursor_buffer, cursor_buffer_position) =
3985 buffer.text_anchor_for_position(cursor_position.clone(), cx)?;
3986 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
3987 if cursor_buffer != tail_buffer {
3988 return None;
3989 }
3990
3991 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
3992 cx.background_executor()
3993 .timer(DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT)
3994 .await;
3995
3996 let highlights = if let Some(highlights) = project
3997 .update(&mut cx, |project, cx| {
3998 project.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
3999 })
4000 .log_err()
4001 {
4002 highlights.await.log_err()
4003 } else {
4004 None
4005 };
4006
4007 if let Some(highlights) = highlights {
4008 this.update(&mut cx, |this, cx| {
4009 if this.pending_rename.is_some() {
4010 return;
4011 }
4012
4013 let buffer_id = cursor_position.buffer_id;
4014 let buffer = this.buffer.read(cx);
4015 if !buffer
4016 .text_anchor_for_position(cursor_position, cx)
4017 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4018 {
4019 return;
4020 }
4021
4022 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4023 let mut write_ranges = Vec::new();
4024 let mut read_ranges = Vec::new();
4025 for highlight in highlights {
4026 for (excerpt_id, excerpt_range) in
4027 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4028 {
4029 let start = highlight
4030 .range
4031 .start
4032 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4033 let end = highlight
4034 .range
4035 .end
4036 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4037 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4038 continue;
4039 }
4040
4041 let range = Anchor {
4042 buffer_id,
4043 excerpt_id: excerpt_id.clone(),
4044 text_anchor: start,
4045 }..Anchor {
4046 buffer_id,
4047 excerpt_id,
4048 text_anchor: end,
4049 };
4050 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4051 write_ranges.push(range);
4052 } else {
4053 read_ranges.push(range);
4054 }
4055 }
4056 }
4057
4058 this.highlight_background::<DocumentHighlightRead>(
4059 read_ranges,
4060 |theme| theme.editor_document_highlight_read_background,
4061 cx,
4062 );
4063 this.highlight_background::<DocumentHighlightWrite>(
4064 write_ranges,
4065 |theme| theme.editor_document_highlight_write_background,
4066 cx,
4067 );
4068 cx.notify();
4069 })
4070 .log_err();
4071 }
4072 }));
4073 None
4074 }
4075
4076 fn refresh_copilot_suggestions(
4077 &mut self,
4078 debounce: bool,
4079 cx: &mut ViewContext<Self>,
4080 ) -> Option<()> {
4081 let copilot = Copilot::global(cx)?;
4082 if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
4083 self.clear_copilot_suggestions(cx);
4084 return None;
4085 }
4086 self.update_visible_copilot_suggestion(cx);
4087
4088 let snapshot = self.buffer.read(cx).snapshot(cx);
4089 let cursor = self.selections.newest_anchor().head();
4090 if !self.is_copilot_enabled_at(cursor, &snapshot, cx) {
4091 self.clear_copilot_suggestions(cx);
4092 return None;
4093 }
4094
4095 let (buffer, buffer_position) =
4096 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4097 self.copilot_state.pending_refresh = cx.spawn(|this, mut cx| async move {
4098 if debounce {
4099 cx.background_executor()
4100 .timer(COPILOT_DEBOUNCE_TIMEOUT)
4101 .await;
4102 }
4103
4104 let completions = copilot
4105 .update(&mut cx, |copilot, cx| {
4106 copilot.completions(&buffer, buffer_position, cx)
4107 })
4108 .log_err()
4109 .unwrap_or(Task::ready(Ok(Vec::new())))
4110 .await
4111 .log_err()
4112 .into_iter()
4113 .flatten()
4114 .collect_vec();
4115
4116 this.update(&mut cx, |this, cx| {
4117 if !completions.is_empty() {
4118 this.copilot_state.cycled = false;
4119 this.copilot_state.pending_cycling_refresh = Task::ready(None);
4120 this.copilot_state.completions.clear();
4121 this.copilot_state.active_completion_index = 0;
4122 this.copilot_state.excerpt_id = Some(cursor.excerpt_id);
4123 for completion in completions {
4124 this.copilot_state.push_completion(completion);
4125 }
4126 this.update_visible_copilot_suggestion(cx);
4127 }
4128 })
4129 .log_err()?;
4130 Some(())
4131 });
4132
4133 Some(())
4134 }
4135
4136 fn cycle_copilot_suggestions(
4137 &mut self,
4138 direction: Direction,
4139 cx: &mut ViewContext<Self>,
4140 ) -> Option<()> {
4141 let copilot = Copilot::global(cx)?;
4142 if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
4143 return None;
4144 }
4145
4146 if self.copilot_state.cycled {
4147 self.copilot_state.cycle_completions(direction);
4148 self.update_visible_copilot_suggestion(cx);
4149 } else {
4150 let cursor = self.selections.newest_anchor().head();
4151 let (buffer, buffer_position) =
4152 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4153 self.copilot_state.pending_cycling_refresh = cx.spawn(|this, mut cx| async move {
4154 let completions = copilot
4155 .update(&mut cx, |copilot, cx| {
4156 copilot.completions_cycling(&buffer, buffer_position, cx)
4157 })
4158 .log_err()?
4159 .await;
4160
4161 this.update(&mut cx, |this, cx| {
4162 this.copilot_state.cycled = true;
4163 for completion in completions.log_err().into_iter().flatten() {
4164 this.copilot_state.push_completion(completion);
4165 }
4166 this.copilot_state.cycle_completions(direction);
4167 this.update_visible_copilot_suggestion(cx);
4168 })
4169 .log_err()?;
4170
4171 Some(())
4172 });
4173 }
4174
4175 Some(())
4176 }
4177
4178 fn copilot_suggest(&mut self, _: &copilot::Suggest, cx: &mut ViewContext<Self>) {
4179 if !self.has_active_copilot_suggestion(cx) {
4180 self.refresh_copilot_suggestions(false, cx);
4181 return;
4182 }
4183
4184 self.update_visible_copilot_suggestion(cx);
4185 }
4186
4187 fn next_copilot_suggestion(&mut self, _: &copilot::NextSuggestion, cx: &mut ViewContext<Self>) {
4188 if self.has_active_copilot_suggestion(cx) {
4189 self.cycle_copilot_suggestions(Direction::Next, cx);
4190 } else {
4191 let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
4192 if is_copilot_disabled {
4193 todo!();
4194 // cx.propagate();
4195 }
4196 }
4197 }
4198
4199 fn previous_copilot_suggestion(
4200 &mut self,
4201 _: &copilot::PreviousSuggestion,
4202 cx: &mut ViewContext<Self>,
4203 ) {
4204 if self.has_active_copilot_suggestion(cx) {
4205 self.cycle_copilot_suggestions(Direction::Prev, cx);
4206 } else {
4207 let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
4208 if is_copilot_disabled {
4209 todo!();
4210 // cx.propagate_action();
4211 }
4212 }
4213 }
4214
4215 fn accept_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
4216 if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
4217 if let Some((copilot, completion)) =
4218 Copilot::global(cx).zip(self.copilot_state.active_completion())
4219 {
4220 copilot
4221 .update(cx, |copilot, cx| copilot.accept_completion(completion, cx))
4222 .detach_and_log_err(cx);
4223
4224 self.report_copilot_event(Some(completion.uuid.clone()), true, cx)
4225 }
4226 cx.emit(Event::InputHandled {
4227 utf16_range_to_replace: None,
4228 text: suggestion.text.to_string().into(),
4229 });
4230 self.insert_with_autoindent_mode(&suggestion.text.to_string(), None, cx);
4231 cx.notify();
4232 true
4233 } else {
4234 false
4235 }
4236 }
4237
4238 fn discard_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
4239 if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
4240 if let Some(copilot) = Copilot::global(cx) {
4241 copilot
4242 .update(cx, |copilot, cx| {
4243 copilot.discard_completions(&self.copilot_state.completions, cx)
4244 })
4245 .detach_and_log_err(cx);
4246
4247 self.report_copilot_event(None, false, cx)
4248 }
4249
4250 self.display_map.update(cx, |map, cx| {
4251 map.splice_inlays(vec![suggestion.id], Vec::new(), cx)
4252 });
4253 cx.notify();
4254 true
4255 } else {
4256 false
4257 }
4258 }
4259
4260 fn is_copilot_enabled_at(
4261 &self,
4262 location: Anchor,
4263 snapshot: &MultiBufferSnapshot,
4264 cx: &mut ViewContext<Self>,
4265 ) -> bool {
4266 let file = snapshot.file_at(location);
4267 let language = snapshot.language_at(location);
4268 let settings = all_language_settings(file, cx);
4269 settings.copilot_enabled(language, file.map(|f| f.path().as_ref()))
4270 }
4271
4272 fn has_active_copilot_suggestion(&self, cx: &AppContext) -> bool {
4273 if let Some(suggestion) = self.copilot_state.suggestion.as_ref() {
4274 let buffer = self.buffer.read(cx).read(cx);
4275 suggestion.position.is_valid(&buffer)
4276 } else {
4277 false
4278 }
4279 }
4280
4281 fn take_active_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<Inlay> {
4282 let suggestion = self.copilot_state.suggestion.take()?;
4283 self.display_map.update(cx, |map, cx| {
4284 map.splice_inlays(vec![suggestion.id], Default::default(), cx);
4285 });
4286 let buffer = self.buffer.read(cx).read(cx);
4287
4288 if suggestion.position.is_valid(&buffer) {
4289 Some(suggestion)
4290 } else {
4291 None
4292 }
4293 }
4294
4295 fn update_visible_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) {
4296 let snapshot = self.buffer.read(cx).snapshot(cx);
4297 let selection = self.selections.newest_anchor();
4298 let cursor = selection.head();
4299
4300 if self.context_menu.read().is_some()
4301 || !self.completion_tasks.is_empty()
4302 || selection.start != selection.end
4303 {
4304 self.discard_copilot_suggestion(cx);
4305 } else if let Some(text) = self
4306 .copilot_state
4307 .text_for_active_completion(cursor, &snapshot)
4308 {
4309 let text = Rope::from(text);
4310 let mut to_remove = Vec::new();
4311 if let Some(suggestion) = self.copilot_state.suggestion.take() {
4312 to_remove.push(suggestion.id);
4313 }
4314
4315 let suggestion_inlay =
4316 Inlay::suggestion(post_inc(&mut self.next_inlay_id), cursor, text);
4317 self.copilot_state.suggestion = Some(suggestion_inlay.clone());
4318 self.display_map.update(cx, move |map, cx| {
4319 map.splice_inlays(to_remove, vec![suggestion_inlay], cx)
4320 });
4321 cx.notify();
4322 } else {
4323 self.discard_copilot_suggestion(cx);
4324 }
4325 }
4326
4327 fn clear_copilot_suggestions(&mut self, cx: &mut ViewContext<Self>) {
4328 self.copilot_state = Default::default();
4329 self.discard_copilot_suggestion(cx);
4330 }
4331
4332 // pub fn render_code_actions_indicator(
4333 // &self,
4334 // style: &EditorStyle,
4335 // is_active: bool,
4336 // cx: &mut ViewContext<Self>,
4337 // ) -> Option<AnyElement<Self>> {
4338 // if self.available_code_actions.is_some() {
4339 // enum CodeActions {}
4340 // Some(
4341 // MouseEventHandler::new::<CodeActions, _>(0, cx, |state, _| {
4342 // Svg::new("icons/bolt.svg").with_color(
4343 // style
4344 // .code_actions
4345 // .indicator
4346 // .in_state(is_active)
4347 // .style_for(state)
4348 // .color,
4349 // )
4350 // })
4351 // .with_cursor_style(CursorStyle::PointingHand)
4352 // .with_padding(Padding::uniform(3.))
4353 // .on_down(MouseButton::Left, |_, this, cx| {
4354 // this.toggle_code_actions(
4355 // &ToggleCodeActions {
4356 // deployed_from_indicator: true,
4357 // },
4358 // cx,
4359 // );
4360 // })
4361 // .into_any(),
4362 // )
4363 // } else {
4364 // None
4365 // }
4366 // }
4367
4368 // pub fn render_fold_indicators(
4369 // &self,
4370 // fold_data: Vec<Option<(FoldStatus, u32, bool)>>,
4371 // style: &EditorStyle,
4372 // gutter_hovered: bool,
4373 // line_height: f32,
4374 // gutter_margin: f32,
4375 // cx: &mut ViewContext<Self>,
4376 // ) -> Vec<Option<AnyElement<Self>>> {
4377 // enum FoldIndicators {}
4378
4379 // let style = style.folds.clone();
4380
4381 // fold_data
4382 // .iter()
4383 // .enumerate()
4384 // .map(|(ix, fold_data)| {
4385 // fold_data
4386 // .map(|(fold_status, buffer_row, active)| {
4387 // (active || gutter_hovered || fold_status == FoldStatus::Folded).then(|| {
4388 // MouseEventHandler::new::<FoldIndicators, _>(
4389 // ix as usize,
4390 // cx,
4391 // |mouse_state, _| {
4392 // Svg::new(match fold_status {
4393 // FoldStatus::Folded => style.folded_icon.clone(),
4394 // FoldStatus::Foldable => style.foldable_icon.clone(),
4395 // })
4396 // .with_color(
4397 // style
4398 // .indicator
4399 // .in_state(fold_status == FoldStatus::Folded)
4400 // .style_for(mouse_state)
4401 // .color,
4402 // )
4403 // .constrained()
4404 // .with_width(gutter_margin * style.icon_margin_scale)
4405 // .aligned()
4406 // .constrained()
4407 // .with_height(line_height)
4408 // .with_width(gutter_margin)
4409 // .aligned()
4410 // },
4411 // )
4412 // .with_cursor_style(CursorStyle::PointingHand)
4413 // .with_padding(Padding::uniform(3.))
4414 // .on_click(MouseButton::Left, {
4415 // move |_, editor, cx| match fold_status {
4416 // FoldStatus::Folded => {
4417 // editor.unfold_at(&UnfoldAt { buffer_row }, cx);
4418 // }
4419 // FoldStatus::Foldable => {
4420 // editor.fold_at(&FoldAt { buffer_row }, cx);
4421 // }
4422 // }
4423 // })
4424 // .into_any()
4425 // })
4426 // })
4427 // .flatten()
4428 // })
4429 // .collect()
4430 // }
4431
4432 // pub fn context_menu_visible(&self) -> bool {
4433 // self.context_menu
4434 // .read()
4435 // .as_ref()
4436 // .map_or(false, |menu| menu.visible())
4437 // }
4438
4439 // pub fn render_context_menu(
4440 // &self,
4441 // cursor_position: DisplayPoint,
4442 // style: EditorStyle,
4443 // cx: &mut ViewContext<Editor>,
4444 // ) -> Option<(DisplayPoint, AnyElement<Editor>)> {
4445 // self.context_menu.read().as_ref().map(|menu| {
4446 // menu.render(
4447 // cursor_position,
4448 // style,
4449 // self.workspace.as_ref().map(|(w, _)| w.clone()),
4450 // cx,
4451 // )
4452 // })
4453 // }
4454
4455 fn hide_context_menu(&mut self, cx: &mut ViewContext<Self>) -> Option<ContextMenu> {
4456 cx.notify();
4457 self.completion_tasks.clear();
4458 let context_menu = self.context_menu.write().take();
4459 if context_menu.is_some() {
4460 self.update_visible_copilot_suggestion(cx);
4461 }
4462 context_menu
4463 }
4464
4465 // pub fn insert_snippet(
4466 // &mut self,
4467 // insertion_ranges: &[Range<usize>],
4468 // snippet: Snippet,
4469 // cx: &mut ViewContext<Self>,
4470 // ) -> Result<()> {
4471 // let tabstops = self.buffer.update(cx, |buffer, cx| {
4472 // let snippet_text: Arc<str> = snippet.text.clone().into();
4473 // buffer.edit(
4474 // insertion_ranges
4475 // .iter()
4476 // .cloned()
4477 // .map(|range| (range, snippet_text.clone())),
4478 // Some(AutoindentMode::EachLine),
4479 // cx,
4480 // );
4481
4482 // let snapshot = &*buffer.read(cx);
4483 // let snippet = &snippet;
4484 // snippet
4485 // .tabstops
4486 // .iter()
4487 // .map(|tabstop| {
4488 // let mut tabstop_ranges = tabstop
4489 // .iter()
4490 // .flat_map(|tabstop_range| {
4491 // let mut delta = 0_isize;
4492 // insertion_ranges.iter().map(move |insertion_range| {
4493 // let insertion_start = insertion_range.start as isize + delta;
4494 // delta +=
4495 // snippet.text.len() as isize - insertion_range.len() as isize;
4496
4497 // let start = snapshot.anchor_before(
4498 // (insertion_start + tabstop_range.start) as usize,
4499 // );
4500 // let end = snapshot
4501 // .anchor_after((insertion_start + tabstop_range.end) as usize);
4502 // start..end
4503 // })
4504 // })
4505 // .collect::<Vec<_>>();
4506 // tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
4507 // tabstop_ranges
4508 // })
4509 // .collect::<Vec<_>>()
4510 // });
4511
4512 // if let Some(tabstop) = tabstops.first() {
4513 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
4514 // s.select_ranges(tabstop.iter().cloned());
4515 // });
4516 // self.snippet_stack.push(SnippetState {
4517 // active_index: 0,
4518 // ranges: tabstops,
4519 // });
4520 // }
4521
4522 // Ok(())
4523 // }
4524
4525 // pub fn move_to_next_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
4526 // self.move_to_snippet_tabstop(Bias::Right, cx)
4527 // }
4528
4529 // pub fn move_to_prev_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
4530 // self.move_to_snippet_tabstop(Bias::Left, cx)
4531 // }
4532
4533 // pub fn move_to_snippet_tabstop(&mut self, bias: Bias, cx: &mut ViewContext<Self>) -> bool {
4534 // if let Some(mut snippet) = self.snippet_stack.pop() {
4535 // match bias {
4536 // Bias::Left => {
4537 // if snippet.active_index > 0 {
4538 // snippet.active_index -= 1;
4539 // } else {
4540 // self.snippet_stack.push(snippet);
4541 // return false;
4542 // }
4543 // }
4544 // Bias::Right => {
4545 // if snippet.active_index + 1 < snippet.ranges.len() {
4546 // snippet.active_index += 1;
4547 // } else {
4548 // self.snippet_stack.push(snippet);
4549 // return false;
4550 // }
4551 // }
4552 // }
4553 // if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
4554 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
4555 // s.select_anchor_ranges(current_ranges.iter().cloned())
4556 // });
4557 // // If snippet state is not at the last tabstop, push it back on the stack
4558 // if snippet.active_index + 1 < snippet.ranges.len() {
4559 // self.snippet_stack.push(snippet);
4560 // }
4561 // return true;
4562 // }
4563 // }
4564
4565 // false
4566 // }
4567
4568 // pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
4569 // self.transact(cx, |this, cx| {
4570 // this.select_all(&SelectAll, cx);
4571 // this.insert("", cx);
4572 // });
4573 // }
4574
4575 // pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
4576 // self.transact(cx, |this, cx| {
4577 // this.select_autoclose_pair(cx);
4578 // let mut selections = this.selections.all::<Point>(cx);
4579 // if !this.selections.line_mode {
4580 // let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
4581 // for selection in &mut selections {
4582 // if selection.is_empty() {
4583 // let old_head = selection.head();
4584 // let mut new_head =
4585 // movement::left(&display_map, old_head.to_display_point(&display_map))
4586 // .to_point(&display_map);
4587 // if let Some((buffer, line_buffer_range)) = display_map
4588 // .buffer_snapshot
4589 // .buffer_line_for_row(old_head.row)
4590 // {
4591 // let indent_size =
4592 // buffer.indent_size_for_line(line_buffer_range.start.row);
4593 // let indent_len = match indent_size.kind {
4594 // IndentKind::Space => {
4595 // buffer.settings_at(line_buffer_range.start, cx).tab_size
4596 // }
4597 // IndentKind::Tab => NonZeroU32::new(1).unwrap(),
4598 // };
4599 // if old_head.column <= indent_size.len && old_head.column > 0 {
4600 // let indent_len = indent_len.get();
4601 // new_head = cmp::min(
4602 // new_head,
4603 // Point::new(
4604 // old_head.row,
4605 // ((old_head.column - 1) / indent_len) * indent_len,
4606 // ),
4607 // );
4608 // }
4609 // }
4610
4611 // selection.set_head(new_head, SelectionGoal::None);
4612 // }
4613 // }
4614 // }
4615
4616 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4617 // this.insert("", cx);
4618 // this.refresh_copilot_suggestions(true, cx);
4619 // });
4620 // }
4621
4622 // pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
4623 // self.transact(cx, |this, cx| {
4624 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
4625 // let line_mode = s.line_mode;
4626 // s.move_with(|map, selection| {
4627 // if selection.is_empty() && !line_mode {
4628 // let cursor = movement::right(map, selection.head());
4629 // selection.end = cursor;
4630 // selection.reversed = true;
4631 // selection.goal = SelectionGoal::None;
4632 // }
4633 // })
4634 // });
4635 // this.insert("", cx);
4636 // this.refresh_copilot_suggestions(true, cx);
4637 // });
4638 // }
4639
4640 // pub fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
4641 // if self.move_to_prev_snippet_tabstop(cx) {
4642 // return;
4643 // }
4644
4645 // self.outdent(&Outdent, cx);
4646 // }
4647
4648 // pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
4649 // if self.move_to_next_snippet_tabstop(cx) {
4650 // return;
4651 // }
4652
4653 // let mut selections = self.selections.all_adjusted(cx);
4654 // let buffer = self.buffer.read(cx);
4655 // let snapshot = buffer.snapshot(cx);
4656 // let rows_iter = selections.iter().map(|s| s.head().row);
4657 // let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
4658
4659 // let mut edits = Vec::new();
4660 // let mut prev_edited_row = 0;
4661 // let mut row_delta = 0;
4662 // for selection in &mut selections {
4663 // if selection.start.row != prev_edited_row {
4664 // row_delta = 0;
4665 // }
4666 // prev_edited_row = selection.end.row;
4667
4668 // // If the selection is non-empty, then increase the indentation of the selected lines.
4669 // if !selection.is_empty() {
4670 // row_delta =
4671 // Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
4672 // continue;
4673 // }
4674
4675 // // If the selection is empty and the cursor is in the leading whitespace before the
4676 // // suggested indentation, then auto-indent the line.
4677 // let cursor = selection.head();
4678 // let current_indent = snapshot.indent_size_for_line(cursor.row);
4679 // if let Some(suggested_indent) = suggested_indents.get(&cursor.row).copied() {
4680 // if cursor.column < suggested_indent.len
4681 // && cursor.column <= current_indent.len
4682 // && current_indent.len <= suggested_indent.len
4683 // {
4684 // selection.start = Point::new(cursor.row, suggested_indent.len);
4685 // selection.end = selection.start;
4686 // if row_delta == 0 {
4687 // edits.extend(Buffer::edit_for_indent_size_adjustment(
4688 // cursor.row,
4689 // current_indent,
4690 // suggested_indent,
4691 // ));
4692 // row_delta = suggested_indent.len - current_indent.len;
4693 // }
4694 // continue;
4695 // }
4696 // }
4697
4698 // // Accept copilot suggestion if there is only one selection and the cursor is not
4699 // // in the leading whitespace.
4700 // if self.selections.count() == 1
4701 // && cursor.column >= current_indent.len
4702 // && self.has_active_copilot_suggestion(cx)
4703 // {
4704 // self.accept_copilot_suggestion(cx);
4705 // return;
4706 // }
4707
4708 // // Otherwise, insert a hard or soft tab.
4709 // let settings = buffer.settings_at(cursor, cx);
4710 // let tab_size = if settings.hard_tabs {
4711 // IndentSize::tab()
4712 // } else {
4713 // let tab_size = settings.tab_size.get();
4714 // let char_column = snapshot
4715 // .text_for_range(Point::new(cursor.row, 0)..cursor)
4716 // .flat_map(str::chars)
4717 // .count()
4718 // + row_delta as usize;
4719 // let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
4720 // IndentSize::spaces(chars_to_next_tab_stop)
4721 // };
4722 // selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
4723 // selection.end = selection.start;
4724 // edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
4725 // row_delta += tab_size.len;
4726 // }
4727
4728 // self.transact(cx, |this, cx| {
4729 // this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
4730 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4731 // this.refresh_copilot_suggestions(true, cx);
4732 // });
4733 // }
4734
4735 // pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext<Self>) {
4736 // let mut selections = self.selections.all::<Point>(cx);
4737 // let mut prev_edited_row = 0;
4738 // let mut row_delta = 0;
4739 // let mut edits = Vec::new();
4740 // let buffer = self.buffer.read(cx);
4741 // let snapshot = buffer.snapshot(cx);
4742 // for selection in &mut selections {
4743 // if selection.start.row != prev_edited_row {
4744 // row_delta = 0;
4745 // }
4746 // prev_edited_row = selection.end.row;
4747
4748 // row_delta =
4749 // Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
4750 // }
4751
4752 // self.transact(cx, |this, cx| {
4753 // this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
4754 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4755 // });
4756 // }
4757
4758 // fn indent_selection(
4759 // buffer: &MultiBuffer,
4760 // snapshot: &MultiBufferSnapshot,
4761 // selection: &mut Selection<Point>,
4762 // edits: &mut Vec<(Range<Point>, String)>,
4763 // delta_for_start_row: u32,
4764 // cx: &AppContext,
4765 // ) -> u32 {
4766 // let settings = buffer.settings_at(selection.start, cx);
4767 // let tab_size = settings.tab_size.get();
4768 // let indent_kind = if settings.hard_tabs {
4769 // IndentKind::Tab
4770 // } else {
4771 // IndentKind::Space
4772 // };
4773 // let mut start_row = selection.start.row;
4774 // let mut end_row = selection.end.row + 1;
4775
4776 // // If a selection ends at the beginning of a line, don't indent
4777 // // that last line.
4778 // if selection.end.column == 0 {
4779 // end_row -= 1;
4780 // }
4781
4782 // // Avoid re-indenting a row that has already been indented by a
4783 // // previous selection, but still update this selection's column
4784 // // to reflect that indentation.
4785 // if delta_for_start_row > 0 {
4786 // start_row += 1;
4787 // selection.start.column += delta_for_start_row;
4788 // if selection.end.row == selection.start.row {
4789 // selection.end.column += delta_for_start_row;
4790 // }
4791 // }
4792
4793 // let mut delta_for_end_row = 0;
4794 // for row in start_row..end_row {
4795 // let current_indent = snapshot.indent_size_for_line(row);
4796 // let indent_delta = match (current_indent.kind, indent_kind) {
4797 // (IndentKind::Space, IndentKind::Space) => {
4798 // let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
4799 // IndentSize::spaces(columns_to_next_tab_stop)
4800 // }
4801 // (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
4802 // (_, IndentKind::Tab) => IndentSize::tab(),
4803 // };
4804
4805 // let row_start = Point::new(row, 0);
4806 // edits.push((
4807 // row_start..row_start,
4808 // indent_delta.chars().collect::<String>(),
4809 // ));
4810
4811 // // Update this selection's endpoints to reflect the indentation.
4812 // if row == selection.start.row {
4813 // selection.start.column += indent_delta.len;
4814 // }
4815 // if row == selection.end.row {
4816 // selection.end.column += indent_delta.len;
4817 // delta_for_end_row = indent_delta.len;
4818 // }
4819 // }
4820
4821 // if selection.start.row == selection.end.row {
4822 // delta_for_start_row + delta_for_end_row
4823 // } else {
4824 // delta_for_end_row
4825 // }
4826 // }
4827
4828 // pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext<Self>) {
4829 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
4830 // let selections = self.selections.all::<Point>(cx);
4831 // let mut deletion_ranges = Vec::new();
4832 // let mut last_outdent = None;
4833 // {
4834 // let buffer = self.buffer.read(cx);
4835 // let snapshot = buffer.snapshot(cx);
4836 // for selection in &selections {
4837 // let settings = buffer.settings_at(selection.start, cx);
4838 // let tab_size = settings.tab_size.get();
4839 // let mut rows = selection.spanned_rows(false, &display_map);
4840
4841 // // Avoid re-outdenting a row that has already been outdented by a
4842 // // previous selection.
4843 // if let Some(last_row) = last_outdent {
4844 // if last_row == rows.start {
4845 // rows.start += 1;
4846 // }
4847 // }
4848
4849 // for row in rows {
4850 // let indent_size = snapshot.indent_size_for_line(row);
4851 // if indent_size.len > 0 {
4852 // let deletion_len = match indent_size.kind {
4853 // IndentKind::Space => {
4854 // let columns_to_prev_tab_stop = indent_size.len % tab_size;
4855 // if columns_to_prev_tab_stop == 0 {
4856 // tab_size
4857 // } else {
4858 // columns_to_prev_tab_stop
4859 // }
4860 // }
4861 // IndentKind::Tab => 1,
4862 // };
4863 // deletion_ranges.push(Point::new(row, 0)..Point::new(row, deletion_len));
4864 // last_outdent = Some(row);
4865 // }
4866 // }
4867 // }
4868 // }
4869
4870 // self.transact(cx, |this, cx| {
4871 // this.buffer.update(cx, |buffer, cx| {
4872 // let empty_str: Arc<str> = "".into();
4873 // buffer.edit(
4874 // deletion_ranges
4875 // .into_iter()
4876 // .map(|range| (range, empty_str.clone())),
4877 // None,
4878 // cx,
4879 // );
4880 // });
4881 // let selections = this.selections.all::<usize>(cx);
4882 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4883 // });
4884 // }
4885
4886 // pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
4887 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
4888 // let selections = self.selections.all::<Point>(cx);
4889
4890 // let mut new_cursors = Vec::new();
4891 // let mut edit_ranges = Vec::new();
4892 // let mut selections = selections.iter().peekable();
4893 // while let Some(selection) = selections.next() {
4894 // let mut rows = selection.spanned_rows(false, &display_map);
4895 // let goal_display_column = selection.head().to_display_point(&display_map).column();
4896
4897 // // Accumulate contiguous regions of rows that we want to delete.
4898 // while let Some(next_selection) = selections.peek() {
4899 // let next_rows = next_selection.spanned_rows(false, &display_map);
4900 // if next_rows.start <= rows.end {
4901 // rows.end = next_rows.end;
4902 // selections.next().unwrap();
4903 // } else {
4904 // break;
4905 // }
4906 // }
4907
4908 // let buffer = &display_map.buffer_snapshot;
4909 // let mut edit_start = Point::new(rows.start, 0).to_offset(buffer);
4910 // let edit_end;
4911 // let cursor_buffer_row;
4912 // if buffer.max_point().row >= rows.end {
4913 // // If there's a line after the range, delete the \n from the end of the row range
4914 // // and position the cursor on the next line.
4915 // edit_end = Point::new(rows.end, 0).to_offset(buffer);
4916 // cursor_buffer_row = rows.end;
4917 // } else {
4918 // // If there isn't a line after the range, delete the \n from the line before the
4919 // // start of the row range and position the cursor there.
4920 // edit_start = edit_start.saturating_sub(1);
4921 // edit_end = buffer.len();
4922 // cursor_buffer_row = rows.start.saturating_sub(1);
4923 // }
4924
4925 // let mut cursor = Point::new(cursor_buffer_row, 0).to_display_point(&display_map);
4926 // *cursor.column_mut() =
4927 // cmp::min(goal_display_column, display_map.line_len(cursor.row()));
4928
4929 // new_cursors.push((
4930 // selection.id,
4931 // buffer.anchor_after(cursor.to_point(&display_map)),
4932 // ));
4933 // edit_ranges.push(edit_start..edit_end);
4934 // }
4935
4936 // self.transact(cx, |this, cx| {
4937 // let buffer = this.buffer.update(cx, |buffer, cx| {
4938 // let empty_str: Arc<str> = "".into();
4939 // buffer.edit(
4940 // edit_ranges
4941 // .into_iter()
4942 // .map(|range| (range, empty_str.clone())),
4943 // None,
4944 // cx,
4945 // );
4946 // buffer.snapshot(cx)
4947 // });
4948 // let new_selections = new_cursors
4949 // .into_iter()
4950 // .map(|(id, cursor)| {
4951 // let cursor = cursor.to_point(&buffer);
4952 // Selection {
4953 // id,
4954 // start: cursor,
4955 // end: cursor,
4956 // reversed: false,
4957 // goal: SelectionGoal::None,
4958 // }
4959 // })
4960 // .collect();
4961
4962 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
4963 // s.select(new_selections);
4964 // });
4965 // });
4966 // }
4967
4968 // pub fn join_lines(&mut self, _: &JoinLines, cx: &mut ViewContext<Self>) {
4969 // let mut row_ranges = Vec::<Range<u32>>::new();
4970 // for selection in self.selections.all::<Point>(cx) {
4971 // let start = selection.start.row;
4972 // let end = if selection.start.row == selection.end.row {
4973 // selection.start.row + 1
4974 // } else {
4975 // selection.end.row
4976 // };
4977
4978 // if let Some(last_row_range) = row_ranges.last_mut() {
4979 // if start <= last_row_range.end {
4980 // last_row_range.end = end;
4981 // continue;
4982 // }
4983 // }
4984 // row_ranges.push(start..end);
4985 // }
4986
4987 // let snapshot = self.buffer.read(cx).snapshot(cx);
4988 // let mut cursor_positions = Vec::new();
4989 // for row_range in &row_ranges {
4990 // let anchor = snapshot.anchor_before(Point::new(
4991 // row_range.end - 1,
4992 // snapshot.line_len(row_range.end - 1),
4993 // ));
4994 // cursor_positions.push(anchor.clone()..anchor);
4995 // }
4996
4997 // self.transact(cx, |this, cx| {
4998 // for row_range in row_ranges.into_iter().rev() {
4999 // for row in row_range.rev() {
5000 // let end_of_line = Point::new(row, snapshot.line_len(row));
5001 // let indent = snapshot.indent_size_for_line(row + 1);
5002 // let start_of_next_line = Point::new(row + 1, indent.len);
5003
5004 // let replace = if snapshot.line_len(row + 1) > indent.len {
5005 // " "
5006 // } else {
5007 // ""
5008 // };
5009
5010 // this.buffer.update(cx, |buffer, cx| {
5011 // buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
5012 // });
5013 // }
5014 // }
5015
5016 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5017 // s.select_anchor_ranges(cursor_positions)
5018 // });
5019 // });
5020 // }
5021
5022 // pub fn sort_lines_case_sensitive(
5023 // &mut self,
5024 // _: &SortLinesCaseSensitive,
5025 // cx: &mut ViewContext<Self>,
5026 // ) {
5027 // self.manipulate_lines(cx, |lines| lines.sort())
5028 // }
5029
5030 // pub fn sort_lines_case_insensitive(
5031 // &mut self,
5032 // _: &SortLinesCaseInsensitive,
5033 // cx: &mut ViewContext<Self>,
5034 // ) {
5035 // self.manipulate_lines(cx, |lines| lines.sort_by_key(|line| line.to_lowercase()))
5036 // }
5037
5038 // pub fn reverse_lines(&mut self, _: &ReverseLines, cx: &mut ViewContext<Self>) {
5039 // self.manipulate_lines(cx, |lines| lines.reverse())
5040 // }
5041
5042 // pub fn shuffle_lines(&mut self, _: &ShuffleLines, cx: &mut ViewContext<Self>) {
5043 // self.manipulate_lines(cx, |lines| lines.shuffle(&mut thread_rng()))
5044 // }
5045
5046 // fn manipulate_lines<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5047 // where
5048 // Fn: FnMut(&mut [&str]),
5049 // {
5050 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5051 // let buffer = self.buffer.read(cx).snapshot(cx);
5052
5053 // let mut edits = Vec::new();
5054
5055 // let selections = self.selections.all::<Point>(cx);
5056 // let mut selections = selections.iter().peekable();
5057 // let mut contiguous_row_selections = Vec::new();
5058 // let mut new_selections = Vec::new();
5059
5060 // while let Some(selection) = selections.next() {
5061 // let (start_row, end_row) = consume_contiguous_rows(
5062 // &mut contiguous_row_selections,
5063 // selection,
5064 // &display_map,
5065 // &mut selections,
5066 // );
5067
5068 // let start_point = Point::new(start_row, 0);
5069 // let end_point = Point::new(end_row - 1, buffer.line_len(end_row - 1));
5070 // let text = buffer
5071 // .text_for_range(start_point..end_point)
5072 // .collect::<String>();
5073 // let mut lines = text.split("\n").collect_vec();
5074
5075 // let lines_len = lines.len();
5076 // callback(&mut lines);
5077
5078 // // This is a current limitation with selections.
5079 // // If we wanted to support removing or adding lines, we'd need to fix the logic associated with selections.
5080 // debug_assert!(
5081 // lines.len() == lines_len,
5082 // "callback should not change the number of lines"
5083 // );
5084
5085 // edits.push((start_point..end_point, lines.join("\n")));
5086 // let start_anchor = buffer.anchor_after(start_point);
5087 // let end_anchor = buffer.anchor_before(end_point);
5088
5089 // // Make selection and push
5090 // new_selections.push(Selection {
5091 // id: selection.id,
5092 // start: start_anchor.to_offset(&buffer),
5093 // end: end_anchor.to_offset(&buffer),
5094 // goal: SelectionGoal::None,
5095 // reversed: selection.reversed,
5096 // });
5097 // }
5098
5099 // self.transact(cx, |this, cx| {
5100 // this.buffer.update(cx, |buffer, cx| {
5101 // buffer.edit(edits, None, cx);
5102 // });
5103
5104 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5105 // s.select(new_selections);
5106 // });
5107
5108 // this.request_autoscroll(Autoscroll::fit(), cx);
5109 // });
5110 // }
5111
5112 // pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
5113 // self.manipulate_text(cx, |text| text.to_uppercase())
5114 // }
5115
5116 // pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
5117 // self.manipulate_text(cx, |text| text.to_lowercase())
5118 // }
5119
5120 // pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
5121 // self.manipulate_text(cx, |text| {
5122 // // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5123 // // https://github.com/rutrum/convert-case/issues/16
5124 // text.split("\n")
5125 // .map(|line| line.to_case(Case::Title))
5126 // .join("\n")
5127 // })
5128 // }
5129
5130 // pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
5131 // self.manipulate_text(cx, |text| text.to_case(Case::Snake))
5132 // }
5133
5134 // pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
5135 // self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
5136 // }
5137
5138 // pub fn convert_to_upper_camel_case(
5139 // &mut self,
5140 // _: &ConvertToUpperCamelCase,
5141 // cx: &mut ViewContext<Self>,
5142 // ) {
5143 // self.manipulate_text(cx, |text| {
5144 // // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5145 // // https://github.com/rutrum/convert-case/issues/16
5146 // text.split("\n")
5147 // .map(|line| line.to_case(Case::UpperCamel))
5148 // .join("\n")
5149 // })
5150 // }
5151
5152 // pub fn convert_to_lower_camel_case(
5153 // &mut self,
5154 // _: &ConvertToLowerCamelCase,
5155 // cx: &mut ViewContext<Self>,
5156 // ) {
5157 // self.manipulate_text(cx, |text| text.to_case(Case::Camel))
5158 // }
5159
5160 // fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5161 // where
5162 // Fn: FnMut(&str) -> String,
5163 // {
5164 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5165 // let buffer = self.buffer.read(cx).snapshot(cx);
5166
5167 // let mut new_selections = Vec::new();
5168 // let mut edits = Vec::new();
5169 // let mut selection_adjustment = 0i32;
5170
5171 // for selection in self.selections.all::<usize>(cx) {
5172 // let selection_is_empty = selection.is_empty();
5173
5174 // let (start, end) = if selection_is_empty {
5175 // let word_range = movement::surrounding_word(
5176 // &display_map,
5177 // selection.start.to_display_point(&display_map),
5178 // );
5179 // let start = word_range.start.to_offset(&display_map, Bias::Left);
5180 // let end = word_range.end.to_offset(&display_map, Bias::Left);
5181 // (start, end)
5182 // } else {
5183 // (selection.start, selection.end)
5184 // };
5185
5186 // let text = buffer.text_for_range(start..end).collect::<String>();
5187 // let old_length = text.len() as i32;
5188 // let text = callback(&text);
5189
5190 // new_selections.push(Selection {
5191 // start: (start as i32 - selection_adjustment) as usize,
5192 // end: ((start + text.len()) as i32 - selection_adjustment) as usize,
5193 // goal: SelectionGoal::None,
5194 // ..selection
5195 // });
5196
5197 // selection_adjustment += old_length - text.len() as i32;
5198
5199 // edits.push((start..end, text));
5200 // }
5201
5202 // self.transact(cx, |this, cx| {
5203 // this.buffer.update(cx, |buffer, cx| {
5204 // buffer.edit(edits, None, cx);
5205 // });
5206
5207 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5208 // s.select(new_selections);
5209 // });
5210
5211 // this.request_autoscroll(Autoscroll::fit(), cx);
5212 // });
5213 // }
5214
5215 // pub fn duplicate_line(&mut self, _: &DuplicateLine, cx: &mut ViewContext<Self>) {
5216 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5217 // let buffer = &display_map.buffer_snapshot;
5218 // let selections = self.selections.all::<Point>(cx);
5219
5220 // let mut edits = Vec::new();
5221 // let mut selections_iter = selections.iter().peekable();
5222 // while let Some(selection) = selections_iter.next() {
5223 // // Avoid duplicating the same lines twice.
5224 // let mut rows = selection.spanned_rows(false, &display_map);
5225
5226 // while let Some(next_selection) = selections_iter.peek() {
5227 // let next_rows = next_selection.spanned_rows(false, &display_map);
5228 // if next_rows.start < rows.end {
5229 // rows.end = next_rows.end;
5230 // selections_iter.next().unwrap();
5231 // } else {
5232 // break;
5233 // }
5234 // }
5235
5236 // // Copy the text from the selected row region and splice it at the start of the region.
5237 // let start = Point::new(rows.start, 0);
5238 // let end = Point::new(rows.end - 1, buffer.line_len(rows.end - 1));
5239 // let text = buffer
5240 // .text_for_range(start..end)
5241 // .chain(Some("\n"))
5242 // .collect::<String>();
5243 // edits.push((start..start, text));
5244 // }
5245
5246 // self.transact(cx, |this, cx| {
5247 // this.buffer.update(cx, |buffer, cx| {
5248 // buffer.edit(edits, None, cx);
5249 // });
5250
5251 // this.request_autoscroll(Autoscroll::fit(), cx);
5252 // });
5253 // }
5254
5255 // pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
5256 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5257 // let buffer = self.buffer.read(cx).snapshot(cx);
5258
5259 // let mut edits = Vec::new();
5260 // let mut unfold_ranges = Vec::new();
5261 // let mut refold_ranges = Vec::new();
5262
5263 // let selections = self.selections.all::<Point>(cx);
5264 // let mut selections = selections.iter().peekable();
5265 // let mut contiguous_row_selections = Vec::new();
5266 // let mut new_selections = Vec::new();
5267
5268 // while let Some(selection) = selections.next() {
5269 // // Find all the selections that span a contiguous row range
5270 // let (start_row, end_row) = consume_contiguous_rows(
5271 // &mut contiguous_row_selections,
5272 // selection,
5273 // &display_map,
5274 // &mut selections,
5275 // );
5276
5277 // // Move the text spanned by the row range to be before the line preceding the row range
5278 // if start_row > 0 {
5279 // let range_to_move = Point::new(start_row - 1, buffer.line_len(start_row - 1))
5280 // ..Point::new(end_row - 1, buffer.line_len(end_row - 1));
5281 // let insertion_point = display_map
5282 // .prev_line_boundary(Point::new(start_row - 1, 0))
5283 // .0;
5284
5285 // // Don't move lines across excerpts
5286 // if buffer
5287 // .excerpt_boundaries_in_range((
5288 // Bound::Excluded(insertion_point),
5289 // Bound::Included(range_to_move.end),
5290 // ))
5291 // .next()
5292 // .is_none()
5293 // {
5294 // let text = buffer
5295 // .text_for_range(range_to_move.clone())
5296 // .flat_map(|s| s.chars())
5297 // .skip(1)
5298 // .chain(['\n'])
5299 // .collect::<String>();
5300
5301 // edits.push((
5302 // buffer.anchor_after(range_to_move.start)
5303 // ..buffer.anchor_before(range_to_move.end),
5304 // String::new(),
5305 // ));
5306 // let insertion_anchor = buffer.anchor_after(insertion_point);
5307 // edits.push((insertion_anchor..insertion_anchor, text));
5308
5309 // let row_delta = range_to_move.start.row - insertion_point.row + 1;
5310
5311 // // Move selections up
5312 // new_selections.extend(contiguous_row_selections.drain(..).map(
5313 // |mut selection| {
5314 // selection.start.row -= row_delta;
5315 // selection.end.row -= row_delta;
5316 // selection
5317 // },
5318 // ));
5319
5320 // // Move folds up
5321 // unfold_ranges.push(range_to_move.clone());
5322 // for fold in display_map.folds_in_range(
5323 // buffer.anchor_before(range_to_move.start)
5324 // ..buffer.anchor_after(range_to_move.end),
5325 // ) {
5326 // let mut start = fold.start.to_point(&buffer);
5327 // let mut end = fold.end.to_point(&buffer);
5328 // start.row -= row_delta;
5329 // end.row -= row_delta;
5330 // refold_ranges.push(start..end);
5331 // }
5332 // }
5333 // }
5334
5335 // // If we didn't move line(s), preserve the existing selections
5336 // new_selections.append(&mut contiguous_row_selections);
5337 // }
5338
5339 // self.transact(cx, |this, cx| {
5340 // this.unfold_ranges(unfold_ranges, true, true, cx);
5341 // this.buffer.update(cx, |buffer, cx| {
5342 // for (range, text) in edits {
5343 // buffer.edit([(range, text)], None, cx);
5344 // }
5345 // });
5346 // this.fold_ranges(refold_ranges, true, cx);
5347 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5348 // s.select(new_selections);
5349 // })
5350 // });
5351 // }
5352
5353 // pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
5354 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5355 // let buffer = self.buffer.read(cx).snapshot(cx);
5356
5357 // let mut edits = Vec::new();
5358 // let mut unfold_ranges = Vec::new();
5359 // let mut refold_ranges = Vec::new();
5360
5361 // let selections = self.selections.all::<Point>(cx);
5362 // let mut selections = selections.iter().peekable();
5363 // let mut contiguous_row_selections = Vec::new();
5364 // let mut new_selections = Vec::new();
5365
5366 // while let Some(selection) = selections.next() {
5367 // // Find all the selections that span a contiguous row range
5368 // let (start_row, end_row) = consume_contiguous_rows(
5369 // &mut contiguous_row_selections,
5370 // selection,
5371 // &display_map,
5372 // &mut selections,
5373 // );
5374
5375 // // Move the text spanned by the row range to be after the last line of the row range
5376 // if end_row <= buffer.max_point().row {
5377 // let range_to_move = Point::new(start_row, 0)..Point::new(end_row, 0);
5378 // let insertion_point = display_map.next_line_boundary(Point::new(end_row, 0)).0;
5379
5380 // // Don't move lines across excerpt boundaries
5381 // if buffer
5382 // .excerpt_boundaries_in_range((
5383 // Bound::Excluded(range_to_move.start),
5384 // Bound::Included(insertion_point),
5385 // ))
5386 // .next()
5387 // .is_none()
5388 // {
5389 // let mut text = String::from("\n");
5390 // text.extend(buffer.text_for_range(range_to_move.clone()));
5391 // text.pop(); // Drop trailing newline
5392 // edits.push((
5393 // buffer.anchor_after(range_to_move.start)
5394 // ..buffer.anchor_before(range_to_move.end),
5395 // String::new(),
5396 // ));
5397 // let insertion_anchor = buffer.anchor_after(insertion_point);
5398 // edits.push((insertion_anchor..insertion_anchor, text));
5399
5400 // let row_delta = insertion_point.row - range_to_move.end.row + 1;
5401
5402 // // Move selections down
5403 // new_selections.extend(contiguous_row_selections.drain(..).map(
5404 // |mut selection| {
5405 // selection.start.row += row_delta;
5406 // selection.end.row += row_delta;
5407 // selection
5408 // },
5409 // ));
5410
5411 // // Move folds down
5412 // unfold_ranges.push(range_to_move.clone());
5413 // for fold in display_map.folds_in_range(
5414 // buffer.anchor_before(range_to_move.start)
5415 // ..buffer.anchor_after(range_to_move.end),
5416 // ) {
5417 // let mut start = fold.start.to_point(&buffer);
5418 // let mut end = fold.end.to_point(&buffer);
5419 // start.row += row_delta;
5420 // end.row += row_delta;
5421 // refold_ranges.push(start..end);
5422 // }
5423 // }
5424 // }
5425
5426 // // If we didn't move line(s), preserve the existing selections
5427 // new_selections.append(&mut contiguous_row_selections);
5428 // }
5429
5430 // self.transact(cx, |this, cx| {
5431 // this.unfold_ranges(unfold_ranges, true, true, cx);
5432 // this.buffer.update(cx, |buffer, cx| {
5433 // for (range, text) in edits {
5434 // buffer.edit([(range, text)], None, cx);
5435 // }
5436 // });
5437 // this.fold_ranges(refold_ranges, true, cx);
5438 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
5439 // });
5440 // }
5441
5442 // pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
5443 // let text_layout_details = &self.text_layout_details(cx);
5444 // self.transact(cx, |this, cx| {
5445 // let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5446 // let mut edits: Vec<(Range<usize>, String)> = Default::default();
5447 // let line_mode = s.line_mode;
5448 // s.move_with(|display_map, selection| {
5449 // if !selection.is_empty() || line_mode {
5450 // return;
5451 // }
5452
5453 // let mut head = selection.head();
5454 // let mut transpose_offset = head.to_offset(display_map, Bias::Right);
5455 // if head.column() == display_map.line_len(head.row()) {
5456 // transpose_offset = display_map
5457 // .buffer_snapshot
5458 // .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
5459 // }
5460
5461 // if transpose_offset == 0 {
5462 // return;
5463 // }
5464
5465 // *head.column_mut() += 1;
5466 // head = display_map.clip_point(head, Bias::Right);
5467 // let goal = SelectionGoal::HorizontalPosition(
5468 // display_map.x_for_point(head, &text_layout_details),
5469 // );
5470 // selection.collapse_to(head, goal);
5471
5472 // let transpose_start = display_map
5473 // .buffer_snapshot
5474 // .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
5475 // if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
5476 // let transpose_end = display_map
5477 // .buffer_snapshot
5478 // .clip_offset(transpose_offset + 1, Bias::Right);
5479 // if let Some(ch) =
5480 // display_map.buffer_snapshot.chars_at(transpose_start).next()
5481 // {
5482 // edits.push((transpose_start..transpose_offset, String::new()));
5483 // edits.push((transpose_end..transpose_end, ch.to_string()));
5484 // }
5485 // }
5486 // });
5487 // edits
5488 // });
5489 // this.buffer
5490 // .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
5491 // let selections = this.selections.all::<usize>(cx);
5492 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5493 // s.select(selections);
5494 // });
5495 // });
5496 // }
5497
5498 // pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
5499 // let mut text = String::new();
5500 // let buffer = self.buffer.read(cx).snapshot(cx);
5501 // let mut selections = self.selections.all::<Point>(cx);
5502 // let mut clipboard_selections = Vec::with_capacity(selections.len());
5503 // {
5504 // let max_point = buffer.max_point();
5505 // let mut is_first = true;
5506 // for selection in &mut selections {
5507 // let is_entire_line = selection.is_empty() || self.selections.line_mode;
5508 // if is_entire_line {
5509 // selection.start = Point::new(selection.start.row, 0);
5510 // selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
5511 // selection.goal = SelectionGoal::None;
5512 // }
5513 // if is_first {
5514 // is_first = false;
5515 // } else {
5516 // text += "\n";
5517 // }
5518 // let mut len = 0;
5519 // for chunk in buffer.text_for_range(selection.start..selection.end) {
5520 // text.push_str(chunk);
5521 // len += chunk.len();
5522 // }
5523 // clipboard_selections.push(ClipboardSelection {
5524 // len,
5525 // is_entire_line,
5526 // first_line_indent: buffer.indent_size_for_line(selection.start.row).len,
5527 // });
5528 // }
5529 // }
5530
5531 // self.transact(cx, |this, cx| {
5532 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5533 // s.select(selections);
5534 // });
5535 // this.insert("", cx);
5536 // cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
5537 // });
5538 // }
5539
5540 // pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
5541 // let selections = self.selections.all::<Point>(cx);
5542 // let buffer = self.buffer.read(cx).read(cx);
5543 // let mut text = String::new();
5544
5545 // let mut clipboard_selections = Vec::with_capacity(selections.len());
5546 // {
5547 // let max_point = buffer.max_point();
5548 // let mut is_first = true;
5549 // for selection in selections.iter() {
5550 // let mut start = selection.start;
5551 // let mut end = selection.end;
5552 // let is_entire_line = selection.is_empty() || self.selections.line_mode;
5553 // if is_entire_line {
5554 // start = Point::new(start.row, 0);
5555 // end = cmp::min(max_point, Point::new(end.row + 1, 0));
5556 // }
5557 // if is_first {
5558 // is_first = false;
5559 // } else {
5560 // text += "\n";
5561 // }
5562 // let mut len = 0;
5563 // for chunk in buffer.text_for_range(start..end) {
5564 // text.push_str(chunk);
5565 // len += chunk.len();
5566 // }
5567 // clipboard_selections.push(ClipboardSelection {
5568 // len,
5569 // is_entire_line,
5570 // first_line_indent: buffer.indent_size_for_line(start.row).len,
5571 // });
5572 // }
5573 // }
5574
5575 // cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
5576 // }
5577
5578 // pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
5579 // self.transact(cx, |this, cx| {
5580 // if let Some(item) = cx.read_from_clipboard() {
5581 // let clipboard_text = Cow::Borrowed(item.text());
5582 // if let Some(mut clipboard_selections) = item.metadata::<Vec<ClipboardSelection>>() {
5583 // let old_selections = this.selections.all::<usize>(cx);
5584 // let all_selections_were_entire_line =
5585 // clipboard_selections.iter().all(|s| s.is_entire_line);
5586 // let first_selection_indent_column =
5587 // clipboard_selections.first().map(|s| s.first_line_indent);
5588 // if clipboard_selections.len() != old_selections.len() {
5589 // clipboard_selections.drain(..);
5590 // }
5591
5592 // this.buffer.update(cx, |buffer, cx| {
5593 // let snapshot = buffer.read(cx);
5594 // let mut start_offset = 0;
5595 // let mut edits = Vec::new();
5596 // let mut original_indent_columns = Vec::new();
5597 // let line_mode = this.selections.line_mode;
5598 // for (ix, selection) in old_selections.iter().enumerate() {
5599 // let to_insert;
5600 // let entire_line;
5601 // let original_indent_column;
5602 // if let Some(clipboard_selection) = clipboard_selections.get(ix) {
5603 // let end_offset = start_offset + clipboard_selection.len;
5604 // to_insert = &clipboard_text[start_offset..end_offset];
5605 // entire_line = clipboard_selection.is_entire_line;
5606 // start_offset = end_offset + 1;
5607 // original_indent_column =
5608 // Some(clipboard_selection.first_line_indent);
5609 // } else {
5610 // to_insert = clipboard_text.as_str();
5611 // entire_line = all_selections_were_entire_line;
5612 // original_indent_column = first_selection_indent_column
5613 // }
5614
5615 // // If the corresponding selection was empty when this slice of the
5616 // // clipboard text was written, then the entire line containing the
5617 // // selection was copied. If this selection is also currently empty,
5618 // // then paste the line before the current line of the buffer.
5619 // let range = if selection.is_empty() && !line_mode && entire_line {
5620 // let column = selection.start.to_point(&snapshot).column as usize;
5621 // let line_start = selection.start - column;
5622 // line_start..line_start
5623 // } else {
5624 // selection.range()
5625 // };
5626
5627 // edits.push((range, to_insert));
5628 // original_indent_columns.extend(original_indent_column);
5629 // }
5630 // drop(snapshot);
5631
5632 // buffer.edit(
5633 // edits,
5634 // Some(AutoindentMode::Block {
5635 // original_indent_columns,
5636 // }),
5637 // cx,
5638 // );
5639 // });
5640
5641 // let selections = this.selections.all::<usize>(cx);
5642 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5643 // } else {
5644 // this.insert(&clipboard_text, cx);
5645 // }
5646 // }
5647 // });
5648 // }
5649
5650 // pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
5651 // if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
5652 // if let Some((selections, _)) = self.selection_history.transaction(tx_id).cloned() {
5653 // self.change_selections(None, cx, |s| {
5654 // s.select_anchors(selections.to_vec());
5655 // });
5656 // }
5657 // self.request_autoscroll(Autoscroll::fit(), cx);
5658 // self.unmark_text(cx);
5659 // self.refresh_copilot_suggestions(true, cx);
5660 // cx.emit(Event::Edited);
5661 // }
5662 // }
5663
5664 // pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
5665 // if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
5666 // if let Some((_, Some(selections))) = self.selection_history.transaction(tx_id).cloned()
5667 // {
5668 // self.change_selections(None, cx, |s| {
5669 // s.select_anchors(selections.to_vec());
5670 // });
5671 // }
5672 // self.request_autoscroll(Autoscroll::fit(), cx);
5673 // self.unmark_text(cx);
5674 // self.refresh_copilot_suggestions(true, cx);
5675 // cx.emit(Event::Edited);
5676 // }
5677 // }
5678
5679 // pub fn finalize_last_transaction(&mut self, cx: &mut ViewContext<Self>) {
5680 // self.buffer
5681 // .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
5682 // }
5683
5684 // pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
5685 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5686 // let line_mode = s.line_mode;
5687 // s.move_with(|map, selection| {
5688 // let cursor = if selection.is_empty() && !line_mode {
5689 // movement::left(map, selection.start)
5690 // } else {
5691 // selection.start
5692 // };
5693 // selection.collapse_to(cursor, SelectionGoal::None);
5694 // });
5695 // })
5696 // }
5697
5698 // pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
5699 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5700 // s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
5701 // })
5702 // }
5703
5704 // pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
5705 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5706 // let line_mode = s.line_mode;
5707 // s.move_with(|map, selection| {
5708 // let cursor = if selection.is_empty() && !line_mode {
5709 // movement::right(map, selection.end)
5710 // } else {
5711 // selection.end
5712 // };
5713 // selection.collapse_to(cursor, SelectionGoal::None)
5714 // });
5715 // })
5716 // }
5717
5718 // pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
5719 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5720 // s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
5721 // })
5722 // }
5723
5724 // pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
5725 // if self.take_rename(true, cx).is_some() {
5726 // return;
5727 // }
5728
5729 // if matches!(self.mode, EditorMode::SingleLine) {
5730 // cx.propagate_action();
5731 // return;
5732 // }
5733
5734 // let text_layout_details = &self.text_layout_details(cx);
5735
5736 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5737 // let line_mode = s.line_mode;
5738 // s.move_with(|map, selection| {
5739 // if !selection.is_empty() && !line_mode {
5740 // selection.goal = SelectionGoal::None;
5741 // }
5742 // let (cursor, goal) = movement::up(
5743 // map,
5744 // selection.start,
5745 // selection.goal,
5746 // false,
5747 // &text_layout_details,
5748 // );
5749 // selection.collapse_to(cursor, goal);
5750 // });
5751 // })
5752 // }
5753
5754 // pub fn move_page_up(&mut self, action: &MovePageUp, cx: &mut ViewContext<Self>) {
5755 // if self.take_rename(true, cx).is_some() {
5756 // return;
5757 // }
5758
5759 // if matches!(self.mode, EditorMode::SingleLine) {
5760 // cx.propagate_action();
5761 // return;
5762 // }
5763
5764 // let row_count = if let Some(row_count) = self.visible_line_count() {
5765 // row_count as u32 - 1
5766 // } else {
5767 // return;
5768 // };
5769
5770 // let autoscroll = if action.center_cursor {
5771 // Autoscroll::center()
5772 // } else {
5773 // Autoscroll::fit()
5774 // };
5775
5776 // let text_layout_details = &self.text_layout_details(cx);
5777
5778 // self.change_selections(Some(autoscroll), cx, |s| {
5779 // let line_mode = s.line_mode;
5780 // s.move_with(|map, selection| {
5781 // if !selection.is_empty() && !line_mode {
5782 // selection.goal = SelectionGoal::None;
5783 // }
5784 // let (cursor, goal) = movement::up_by_rows(
5785 // map,
5786 // selection.end,
5787 // row_count,
5788 // selection.goal,
5789 // false,
5790 // &text_layout_details,
5791 // );
5792 // selection.collapse_to(cursor, goal);
5793 // });
5794 // });
5795 // }
5796
5797 // pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
5798 // let text_layout_details = &self.text_layout_details(cx);
5799 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5800 // s.move_heads_with(|map, head, goal| {
5801 // movement::up(map, head, goal, false, &text_layout_details)
5802 // })
5803 // })
5804 // }
5805
5806 // pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
5807 // self.take_rename(true, cx);
5808
5809 // if self.mode == EditorMode::SingleLine {
5810 // cx.propagate_action();
5811 // return;
5812 // }
5813
5814 // let text_layout_details = &self.text_layout_details(cx);
5815 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5816 // let line_mode = s.line_mode;
5817 // s.move_with(|map, selection| {
5818 // if !selection.is_empty() && !line_mode {
5819 // selection.goal = SelectionGoal::None;
5820 // }
5821 // let (cursor, goal) = movement::down(
5822 // map,
5823 // selection.end,
5824 // selection.goal,
5825 // false,
5826 // &text_layout_details,
5827 // );
5828 // selection.collapse_to(cursor, goal);
5829 // });
5830 // });
5831 // }
5832
5833 // pub fn move_page_down(&mut self, action: &MovePageDown, cx: &mut ViewContext<Self>) {
5834 // if self.take_rename(true, cx).is_some() {
5835 // return;
5836 // }
5837
5838 // if self
5839 // .context_menu
5840 // .write()
5841 // .as_mut()
5842 // .map(|menu| menu.select_last(self.project.as_ref(), cx))
5843 // .unwrap_or(false)
5844 // {
5845 // return;
5846 // }
5847
5848 // if matches!(self.mode, EditorMode::SingleLine) {
5849 // cx.propagate_action();
5850 // return;
5851 // }
5852
5853 // let row_count = if let Some(row_count) = self.visible_line_count() {
5854 // row_count as u32 - 1
5855 // } else {
5856 // return;
5857 // };
5858
5859 // let autoscroll = if action.center_cursor {
5860 // Autoscroll::center()
5861 // } else {
5862 // Autoscroll::fit()
5863 // };
5864
5865 // let text_layout_details = &self.text_layout_details(cx);
5866 // self.change_selections(Some(autoscroll), cx, |s| {
5867 // let line_mode = s.line_mode;
5868 // s.move_with(|map, selection| {
5869 // if !selection.is_empty() && !line_mode {
5870 // selection.goal = SelectionGoal::None;
5871 // }
5872 // let (cursor, goal) = movement::down_by_rows(
5873 // map,
5874 // selection.end,
5875 // row_count,
5876 // selection.goal,
5877 // false,
5878 // &text_layout_details,
5879 // );
5880 // selection.collapse_to(cursor, goal);
5881 // });
5882 // });
5883 // }
5884
5885 // pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
5886 // let text_layout_details = &self.text_layout_details(cx);
5887 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5888 // s.move_heads_with(|map, head, goal| {
5889 // movement::down(map, head, goal, false, &text_layout_details)
5890 // })
5891 // });
5892 // }
5893
5894 // pub fn context_menu_first(&mut self, _: &ContextMenuFirst, cx: &mut ViewContext<Self>) {
5895 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5896 // context_menu.select_first(self.project.as_ref(), cx);
5897 // }
5898 // }
5899
5900 // pub fn context_menu_prev(&mut self, _: &ContextMenuPrev, cx: &mut ViewContext<Self>) {
5901 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5902 // context_menu.select_prev(self.project.as_ref(), cx);
5903 // }
5904 // }
5905
5906 // pub fn context_menu_next(&mut self, _: &ContextMenuNext, cx: &mut ViewContext<Self>) {
5907 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5908 // context_menu.select_next(self.project.as_ref(), cx);
5909 // }
5910 // }
5911
5912 // pub fn context_menu_last(&mut self, _: &ContextMenuLast, cx: &mut ViewContext<Self>) {
5913 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5914 // context_menu.select_last(self.project.as_ref(), cx);
5915 // }
5916 // }
5917
5918 // pub fn move_to_previous_word_start(
5919 // &mut self,
5920 // _: &MoveToPreviousWordStart,
5921 // cx: &mut ViewContext<Self>,
5922 // ) {
5923 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5924 // s.move_cursors_with(|map, head, _| {
5925 // (
5926 // movement::previous_word_start(map, head),
5927 // SelectionGoal::None,
5928 // )
5929 // });
5930 // })
5931 // }
5932
5933 // pub fn move_to_previous_subword_start(
5934 // &mut self,
5935 // _: &MoveToPreviousSubwordStart,
5936 // cx: &mut ViewContext<Self>,
5937 // ) {
5938 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5939 // s.move_cursors_with(|map, head, _| {
5940 // (
5941 // movement::previous_subword_start(map, head),
5942 // SelectionGoal::None,
5943 // )
5944 // });
5945 // })
5946 // }
5947
5948 // pub fn select_to_previous_word_start(
5949 // &mut self,
5950 // _: &SelectToPreviousWordStart,
5951 // cx: &mut ViewContext<Self>,
5952 // ) {
5953 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5954 // s.move_heads_with(|map, head, _| {
5955 // (
5956 // movement::previous_word_start(map, head),
5957 // SelectionGoal::None,
5958 // )
5959 // });
5960 // })
5961 // }
5962
5963 // pub fn select_to_previous_subword_start(
5964 // &mut self,
5965 // _: &SelectToPreviousSubwordStart,
5966 // cx: &mut ViewContext<Self>,
5967 // ) {
5968 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5969 // s.move_heads_with(|map, head, _| {
5970 // (
5971 // movement::previous_subword_start(map, head),
5972 // SelectionGoal::None,
5973 // )
5974 // });
5975 // })
5976 // }
5977
5978 // pub fn delete_to_previous_word_start(
5979 // &mut self,
5980 // _: &DeleteToPreviousWordStart,
5981 // cx: &mut ViewContext<Self>,
5982 // ) {
5983 // self.transact(cx, |this, cx| {
5984 // this.select_autoclose_pair(cx);
5985 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5986 // let line_mode = s.line_mode;
5987 // s.move_with(|map, selection| {
5988 // if selection.is_empty() && !line_mode {
5989 // let cursor = movement::previous_word_start(map, selection.head());
5990 // selection.set_head(cursor, SelectionGoal::None);
5991 // }
5992 // });
5993 // });
5994 // this.insert("", cx);
5995 // });
5996 // }
5997
5998 // pub fn delete_to_previous_subword_start(
5999 // &mut self,
6000 // _: &DeleteToPreviousSubwordStart,
6001 // cx: &mut ViewContext<Self>,
6002 // ) {
6003 // self.transact(cx, |this, cx| {
6004 // this.select_autoclose_pair(cx);
6005 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6006 // let line_mode = s.line_mode;
6007 // s.move_with(|map, selection| {
6008 // if selection.is_empty() && !line_mode {
6009 // let cursor = movement::previous_subword_start(map, selection.head());
6010 // selection.set_head(cursor, SelectionGoal::None);
6011 // }
6012 // });
6013 // });
6014 // this.insert("", cx);
6015 // });
6016 // }
6017
6018 // pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
6019 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6020 // s.move_cursors_with(|map, head, _| {
6021 // (movement::next_word_end(map, head), SelectionGoal::None)
6022 // });
6023 // })
6024 // }
6025
6026 // pub fn move_to_next_subword_end(
6027 // &mut self,
6028 // _: &MoveToNextSubwordEnd,
6029 // cx: &mut ViewContext<Self>,
6030 // ) {
6031 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6032 // s.move_cursors_with(|map, head, _| {
6033 // (movement::next_subword_end(map, head), SelectionGoal::None)
6034 // });
6035 // })
6036 // }
6037
6038 // pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
6039 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6040 // s.move_heads_with(|map, head, _| {
6041 // (movement::next_word_end(map, head), SelectionGoal::None)
6042 // });
6043 // })
6044 // }
6045
6046 // pub fn select_to_next_subword_end(
6047 // &mut self,
6048 // _: &SelectToNextSubwordEnd,
6049 // cx: &mut ViewContext<Self>,
6050 // ) {
6051 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6052 // s.move_heads_with(|map, head, _| {
6053 // (movement::next_subword_end(map, head), SelectionGoal::None)
6054 // });
6055 // })
6056 // }
6057
6058 // pub fn delete_to_next_word_end(&mut self, _: &DeleteToNextWordEnd, cx: &mut ViewContext<Self>) {
6059 // self.transact(cx, |this, cx| {
6060 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6061 // let line_mode = s.line_mode;
6062 // s.move_with(|map, selection| {
6063 // if selection.is_empty() && !line_mode {
6064 // let cursor = movement::next_word_end(map, selection.head());
6065 // selection.set_head(cursor, SelectionGoal::None);
6066 // }
6067 // });
6068 // });
6069 // this.insert("", cx);
6070 // });
6071 // }
6072
6073 // pub fn delete_to_next_subword_end(
6074 // &mut self,
6075 // _: &DeleteToNextSubwordEnd,
6076 // cx: &mut ViewContext<Self>,
6077 // ) {
6078 // self.transact(cx, |this, cx| {
6079 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6080 // s.move_with(|map, selection| {
6081 // if selection.is_empty() {
6082 // let cursor = movement::next_subword_end(map, selection.head());
6083 // selection.set_head(cursor, SelectionGoal::None);
6084 // }
6085 // });
6086 // });
6087 // this.insert("", cx);
6088 // });
6089 // }
6090
6091 // pub fn move_to_beginning_of_line(
6092 // &mut self,
6093 // _: &MoveToBeginningOfLine,
6094 // cx: &mut ViewContext<Self>,
6095 // ) {
6096 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6097 // s.move_cursors_with(|map, head, _| {
6098 // (
6099 // movement::indented_line_beginning(map, head, true),
6100 // SelectionGoal::None,
6101 // )
6102 // });
6103 // })
6104 // }
6105
6106 // pub fn select_to_beginning_of_line(
6107 // &mut self,
6108 // action: &SelectToBeginningOfLine,
6109 // cx: &mut ViewContext<Self>,
6110 // ) {
6111 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6112 // s.move_heads_with(|map, head, _| {
6113 // (
6114 // movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
6115 // SelectionGoal::None,
6116 // )
6117 // });
6118 // });
6119 // }
6120
6121 // pub fn delete_to_beginning_of_line(
6122 // &mut self,
6123 // _: &DeleteToBeginningOfLine,
6124 // cx: &mut ViewContext<Self>,
6125 // ) {
6126 // self.transact(cx, |this, cx| {
6127 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6128 // s.move_with(|_, selection| {
6129 // selection.reversed = true;
6130 // });
6131 // });
6132
6133 // this.select_to_beginning_of_line(
6134 // &SelectToBeginningOfLine {
6135 // stop_at_soft_wraps: false,
6136 // },
6137 // cx,
6138 // );
6139 // this.backspace(&Backspace, cx);
6140 // });
6141 // }
6142
6143 // pub fn move_to_end_of_line(&mut self, _: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
6144 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6145 // s.move_cursors_with(|map, head, _| {
6146 // (movement::line_end(map, head, true), SelectionGoal::None)
6147 // });
6148 // })
6149 // }
6150
6151 // pub fn select_to_end_of_line(
6152 // &mut self,
6153 // action: &SelectToEndOfLine,
6154 // cx: &mut ViewContext<Self>,
6155 // ) {
6156 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6157 // s.move_heads_with(|map, head, _| {
6158 // (
6159 // movement::line_end(map, head, action.stop_at_soft_wraps),
6160 // SelectionGoal::None,
6161 // )
6162 // });
6163 // })
6164 // }
6165
6166 // pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
6167 // self.transact(cx, |this, cx| {
6168 // this.select_to_end_of_line(
6169 // &SelectToEndOfLine {
6170 // stop_at_soft_wraps: false,
6171 // },
6172 // cx,
6173 // );
6174 // this.delete(&Delete, cx);
6175 // });
6176 // }
6177
6178 // pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
6179 // self.transact(cx, |this, cx| {
6180 // this.select_to_end_of_line(
6181 // &SelectToEndOfLine {
6182 // stop_at_soft_wraps: false,
6183 // },
6184 // cx,
6185 // );
6186 // this.cut(&Cut, cx);
6187 // });
6188 // }
6189
6190 // pub fn move_to_start_of_paragraph(
6191 // &mut self,
6192 // _: &MoveToStartOfParagraph,
6193 // cx: &mut ViewContext<Self>,
6194 // ) {
6195 // if matches!(self.mode, EditorMode::SingleLine) {
6196 // cx.propagate_action();
6197 // return;
6198 // }
6199
6200 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6201 // s.move_with(|map, selection| {
6202 // selection.collapse_to(
6203 // movement::start_of_paragraph(map, selection.head(), 1),
6204 // SelectionGoal::None,
6205 // )
6206 // });
6207 // })
6208 // }
6209
6210 // pub fn move_to_end_of_paragraph(
6211 // &mut self,
6212 // _: &MoveToEndOfParagraph,
6213 // cx: &mut ViewContext<Self>,
6214 // ) {
6215 // if matches!(self.mode, EditorMode::SingleLine) {
6216 // cx.propagate_action();
6217 // return;
6218 // }
6219
6220 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6221 // s.move_with(|map, selection| {
6222 // selection.collapse_to(
6223 // movement::end_of_paragraph(map, selection.head(), 1),
6224 // SelectionGoal::None,
6225 // )
6226 // });
6227 // })
6228 // }
6229
6230 // pub fn select_to_start_of_paragraph(
6231 // &mut self,
6232 // _: &SelectToStartOfParagraph,
6233 // cx: &mut ViewContext<Self>,
6234 // ) {
6235 // if matches!(self.mode, EditorMode::SingleLine) {
6236 // cx.propagate_action();
6237 // return;
6238 // }
6239
6240 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6241 // s.move_heads_with(|map, head, _| {
6242 // (
6243 // movement::start_of_paragraph(map, head, 1),
6244 // SelectionGoal::None,
6245 // )
6246 // });
6247 // })
6248 // }
6249
6250 // pub fn select_to_end_of_paragraph(
6251 // &mut self,
6252 // _: &SelectToEndOfParagraph,
6253 // cx: &mut ViewContext<Self>,
6254 // ) {
6255 // if matches!(self.mode, EditorMode::SingleLine) {
6256 // cx.propagate_action();
6257 // return;
6258 // }
6259
6260 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6261 // s.move_heads_with(|map, head, _| {
6262 // (
6263 // movement::end_of_paragraph(map, head, 1),
6264 // SelectionGoal::None,
6265 // )
6266 // });
6267 // })
6268 // }
6269
6270 // pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
6271 // if matches!(self.mode, EditorMode::SingleLine) {
6272 // cx.propagate_action();
6273 // return;
6274 // }
6275
6276 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6277 // s.select_ranges(vec![0..0]);
6278 // });
6279 // }
6280
6281 // pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
6282 // let mut selection = self.selections.last::<Point>(cx);
6283 // selection.set_head(Point::zero(), SelectionGoal::None);
6284
6285 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6286 // s.select(vec![selection]);
6287 // });
6288 // }
6289
6290 // pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
6291 // if matches!(self.mode, EditorMode::SingleLine) {
6292 // cx.propagate_action();
6293 // return;
6294 // }
6295
6296 // let cursor = self.buffer.read(cx).read(cx).len();
6297 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6298 // s.select_ranges(vec![cursor..cursor])
6299 // });
6300 // }
6301
6302 // pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
6303 // self.nav_history = nav_history;
6304 // }
6305
6306 // pub fn nav_history(&self) -> Option<&ItemNavHistory> {
6307 // self.nav_history.as_ref()
6308 // }
6309
6310 fn push_to_nav_history(
6311 &mut self,
6312 cursor_anchor: Anchor,
6313 new_position: Option<Point>,
6314 cx: &mut ViewContext<Self>,
6315 ) {
6316 if let Some(nav_history) = self.nav_history.as_mut() {
6317 let buffer = self.buffer.read(cx).read(cx);
6318 let cursor_position = cursor_anchor.to_point(&buffer);
6319 let scroll_state = self.scroll_manager.anchor();
6320 let scroll_top_row = scroll_state.top_row(&buffer);
6321 drop(buffer);
6322
6323 if let Some(new_position) = new_position {
6324 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
6325 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
6326 return;
6327 }
6328 }
6329
6330 nav_history.push(
6331 Some(NavigationData {
6332 cursor_anchor,
6333 cursor_position,
6334 scroll_anchor: scroll_state,
6335 scroll_top_row,
6336 }),
6337 cx,
6338 );
6339 }
6340 }
6341
6342 // pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
6343 // let buffer = self.buffer.read(cx).snapshot(cx);
6344 // let mut selection = self.selections.first::<usize>(cx);
6345 // selection.set_head(buffer.len(), SelectionGoal::None);
6346 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6347 // s.select(vec![selection]);
6348 // });
6349 // }
6350
6351 // pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
6352 // let end = self.buffer.read(cx).read(cx).len();
6353 // self.change_selections(None, cx, |s| {
6354 // s.select_ranges(vec![0..end]);
6355 // });
6356 // }
6357
6358 // pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
6359 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6360 // let mut selections = self.selections.all::<Point>(cx);
6361 // let max_point = display_map.buffer_snapshot.max_point();
6362 // for selection in &mut selections {
6363 // let rows = selection.spanned_rows(true, &display_map);
6364 // selection.start = Point::new(rows.start, 0);
6365 // selection.end = cmp::min(max_point, Point::new(rows.end, 0));
6366 // selection.reversed = false;
6367 // }
6368 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6369 // s.select(selections);
6370 // });
6371 // }
6372
6373 // pub fn split_selection_into_lines(
6374 // &mut self,
6375 // _: &SplitSelectionIntoLines,
6376 // cx: &mut ViewContext<Self>,
6377 // ) {
6378 // let mut to_unfold = Vec::new();
6379 // let mut new_selection_ranges = Vec::new();
6380 // {
6381 // let selections = self.selections.all::<Point>(cx);
6382 // let buffer = self.buffer.read(cx).read(cx);
6383 // for selection in selections {
6384 // for row in selection.start.row..selection.end.row {
6385 // let cursor = Point::new(row, buffer.line_len(row));
6386 // new_selection_ranges.push(cursor..cursor);
6387 // }
6388 // new_selection_ranges.push(selection.end..selection.end);
6389 // to_unfold.push(selection.start..selection.end);
6390 // }
6391 // }
6392 // self.unfold_ranges(to_unfold, true, true, cx);
6393 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6394 // s.select_ranges(new_selection_ranges);
6395 // });
6396 // }
6397
6398 // pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
6399 // self.add_selection(true, cx);
6400 // }
6401
6402 // pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
6403 // self.add_selection(false, cx);
6404 // }
6405
6406 // fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
6407 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6408 // let mut selections = self.selections.all::<Point>(cx);
6409 // let text_layout_details = self.text_layout_details(cx);
6410 // let mut state = self.add_selections_state.take().unwrap_or_else(|| {
6411 // let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
6412 // let range = oldest_selection.display_range(&display_map).sorted();
6413
6414 // let start_x = display_map.x_for_point(range.start, &text_layout_details);
6415 // let end_x = display_map.x_for_point(range.end, &text_layout_details);
6416 // let positions = start_x.min(end_x)..start_x.max(end_x);
6417
6418 // selections.clear();
6419 // let mut stack = Vec::new();
6420 // for row in range.start.row()..=range.end.row() {
6421 // if let Some(selection) = self.selections.build_columnar_selection(
6422 // &display_map,
6423 // row,
6424 // &positions,
6425 // oldest_selection.reversed,
6426 // &text_layout_details,
6427 // ) {
6428 // stack.push(selection.id);
6429 // selections.push(selection);
6430 // }
6431 // }
6432
6433 // if above {
6434 // stack.reverse();
6435 // }
6436
6437 // AddSelectionsState { above, stack }
6438 // });
6439
6440 // let last_added_selection = *state.stack.last().unwrap();
6441 // let mut new_selections = Vec::new();
6442 // if above == state.above {
6443 // let end_row = if above {
6444 // 0
6445 // } else {
6446 // display_map.max_point().row()
6447 // };
6448
6449 // 'outer: for selection in selections {
6450 // if selection.id == last_added_selection {
6451 // let range = selection.display_range(&display_map).sorted();
6452 // debug_assert_eq!(range.start.row(), range.end.row());
6453 // let mut row = range.start.row();
6454 // let positions = if let SelectionGoal::HorizontalRange { start, end } =
6455 // selection.goal
6456 // {
6457 // start..end
6458 // } else {
6459 // let start_x = display_map.x_for_point(range.start, &text_layout_details);
6460 // let end_x = display_map.x_for_point(range.end, &text_layout_details);
6461
6462 // start_x.min(end_x)..start_x.max(end_x)
6463 // };
6464
6465 // while row != end_row {
6466 // if above {
6467 // row -= 1;
6468 // } else {
6469 // row += 1;
6470 // }
6471
6472 // if let Some(new_selection) = self.selections.build_columnar_selection(
6473 // &display_map,
6474 // row,
6475 // &positions,
6476 // selection.reversed,
6477 // &text_layout_details,
6478 // ) {
6479 // state.stack.push(new_selection.id);
6480 // if above {
6481 // new_selections.push(new_selection);
6482 // new_selections.push(selection);
6483 // } else {
6484 // new_selections.push(selection);
6485 // new_selections.push(new_selection);
6486 // }
6487
6488 // continue 'outer;
6489 // }
6490 // }
6491 // }
6492
6493 // new_selections.push(selection);
6494 // }
6495 // } else {
6496 // new_selections = selections;
6497 // new_selections.retain(|s| s.id != last_added_selection);
6498 // state.stack.pop();
6499 // }
6500
6501 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6502 // s.select(new_selections);
6503 // });
6504 // if state.stack.len() > 1 {
6505 // self.add_selections_state = Some(state);
6506 // }
6507 // }
6508
6509 // pub fn select_next_match_internal(
6510 // &mut self,
6511 // display_map: &DisplaySnapshot,
6512 // replace_newest: bool,
6513 // autoscroll: Option<Autoscroll>,
6514 // cx: &mut ViewContext<Self>,
6515 // ) -> Result<()> {
6516 // fn select_next_match_ranges(
6517 // this: &mut Editor,
6518 // range: Range<usize>,
6519 // replace_newest: bool,
6520 // auto_scroll: Option<Autoscroll>,
6521 // cx: &mut ViewContext<Editor>,
6522 // ) {
6523 // this.unfold_ranges([range.clone()], false, true, cx);
6524 // this.change_selections(auto_scroll, cx, |s| {
6525 // if replace_newest {
6526 // s.delete(s.newest_anchor().id);
6527 // }
6528 // s.insert_range(range.clone());
6529 // });
6530 // }
6531
6532 // let buffer = &display_map.buffer_snapshot;
6533 // let mut selections = self.selections.all::<usize>(cx);
6534 // if let Some(mut select_next_state) = self.select_next_state.take() {
6535 // let query = &select_next_state.query;
6536 // if !select_next_state.done {
6537 // let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
6538 // let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
6539 // let mut next_selected_range = None;
6540
6541 // let bytes_after_last_selection =
6542 // buffer.bytes_in_range(last_selection.end..buffer.len());
6543 // let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
6544 // let query_matches = query
6545 // .stream_find_iter(bytes_after_last_selection)
6546 // .map(|result| (last_selection.end, result))
6547 // .chain(
6548 // query
6549 // .stream_find_iter(bytes_before_first_selection)
6550 // .map(|result| (0, result)),
6551 // );
6552
6553 // for (start_offset, query_match) in query_matches {
6554 // let query_match = query_match.unwrap(); // can only fail due to I/O
6555 // let offset_range =
6556 // start_offset + query_match.start()..start_offset + query_match.end();
6557 // let display_range = offset_range.start.to_display_point(&display_map)
6558 // ..offset_range.end.to_display_point(&display_map);
6559
6560 // if !select_next_state.wordwise
6561 // || (!movement::is_inside_word(&display_map, display_range.start)
6562 // && !movement::is_inside_word(&display_map, display_range.end))
6563 // {
6564 // if selections
6565 // .iter()
6566 // .find(|selection| selection.range().overlaps(&offset_range))
6567 // .is_none()
6568 // {
6569 // next_selected_range = Some(offset_range);
6570 // break;
6571 // }
6572 // }
6573 // }
6574
6575 // if let Some(next_selected_range) = next_selected_range {
6576 // select_next_match_ranges(
6577 // self,
6578 // next_selected_range,
6579 // replace_newest,
6580 // autoscroll,
6581 // cx,
6582 // );
6583 // } else {
6584 // select_next_state.done = true;
6585 // }
6586 // }
6587
6588 // self.select_next_state = Some(select_next_state);
6589 // } else if selections.len() == 1 {
6590 // let selection = selections.last_mut().unwrap();
6591 // if selection.start == selection.end {
6592 // let word_range = movement::surrounding_word(
6593 // &display_map,
6594 // selection.start.to_display_point(&display_map),
6595 // );
6596 // selection.start = word_range.start.to_offset(&display_map, Bias::Left);
6597 // selection.end = word_range.end.to_offset(&display_map, Bias::Left);
6598 // selection.goal = SelectionGoal::None;
6599 // selection.reversed = false;
6600
6601 // let query = buffer
6602 // .text_for_range(selection.start..selection.end)
6603 // .collect::<String>();
6604
6605 // let is_empty = query.is_empty();
6606 // let select_state = SelectNextState {
6607 // query: AhoCorasick::new(&[query])?,
6608 // wordwise: true,
6609 // done: is_empty,
6610 // };
6611 // select_next_match_ranges(
6612 // self,
6613 // selection.start..selection.end,
6614 // replace_newest,
6615 // autoscroll,
6616 // cx,
6617 // );
6618 // self.select_next_state = Some(select_state);
6619 // } else {
6620 // let query = buffer
6621 // .text_for_range(selection.start..selection.end)
6622 // .collect::<String>();
6623 // self.select_next_state = Some(SelectNextState {
6624 // query: AhoCorasick::new(&[query])?,
6625 // wordwise: false,
6626 // done: false,
6627 // });
6628 // self.select_next_match_internal(display_map, replace_newest, autoscroll, cx)?;
6629 // }
6630 // }
6631 // Ok(())
6632 // }
6633
6634 // pub fn select_all_matches(
6635 // &mut self,
6636 // action: &SelectAllMatches,
6637 // cx: &mut ViewContext<Self>,
6638 // ) -> Result<()> {
6639 // self.push_to_selection_history();
6640 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6641
6642 // loop {
6643 // self.select_next_match_internal(&display_map, action.replace_newest, None, cx)?;
6644
6645 // if self
6646 // .select_next_state
6647 // .as_ref()
6648 // .map(|selection_state| selection_state.done)
6649 // .unwrap_or(true)
6650 // {
6651 // break;
6652 // }
6653 // }
6654
6655 // Ok(())
6656 // }
6657
6658 // pub fn select_next(&mut self, action: &SelectNext, cx: &mut ViewContext<Self>) -> Result<()> {
6659 // self.push_to_selection_history();
6660 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6661 // self.select_next_match_internal(
6662 // &display_map,
6663 // action.replace_newest,
6664 // Some(Autoscroll::newest()),
6665 // cx,
6666 // )?;
6667 // Ok(())
6668 // }
6669
6670 // pub fn select_previous(
6671 // &mut self,
6672 // action: &SelectPrevious,
6673 // cx: &mut ViewContext<Self>,
6674 // ) -> Result<()> {
6675 // self.push_to_selection_history();
6676 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6677 // let buffer = &display_map.buffer_snapshot;
6678 // let mut selections = self.selections.all::<usize>(cx);
6679 // if let Some(mut select_prev_state) = self.select_prev_state.take() {
6680 // let query = &select_prev_state.query;
6681 // if !select_prev_state.done {
6682 // let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
6683 // let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
6684 // let mut next_selected_range = None;
6685 // // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
6686 // let bytes_before_last_selection =
6687 // buffer.reversed_bytes_in_range(0..last_selection.start);
6688 // let bytes_after_first_selection =
6689 // buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
6690 // let query_matches = query
6691 // .stream_find_iter(bytes_before_last_selection)
6692 // .map(|result| (last_selection.start, result))
6693 // .chain(
6694 // query
6695 // .stream_find_iter(bytes_after_first_selection)
6696 // .map(|result| (buffer.len(), result)),
6697 // );
6698 // for (end_offset, query_match) in query_matches {
6699 // let query_match = query_match.unwrap(); // can only fail due to I/O
6700 // let offset_range =
6701 // end_offset - query_match.end()..end_offset - query_match.start();
6702 // let display_range = offset_range.start.to_display_point(&display_map)
6703 // ..offset_range.end.to_display_point(&display_map);
6704
6705 // if !select_prev_state.wordwise
6706 // || (!movement::is_inside_word(&display_map, display_range.start)
6707 // && !movement::is_inside_word(&display_map, display_range.end))
6708 // {
6709 // next_selected_range = Some(offset_range);
6710 // break;
6711 // }
6712 // }
6713
6714 // if let Some(next_selected_range) = next_selected_range {
6715 // self.unfold_ranges([next_selected_range.clone()], false, true, cx);
6716 // self.change_selections(Some(Autoscroll::newest()), cx, |s| {
6717 // if action.replace_newest {
6718 // s.delete(s.newest_anchor().id);
6719 // }
6720 // s.insert_range(next_selected_range);
6721 // });
6722 // } else {
6723 // select_prev_state.done = true;
6724 // }
6725 // }
6726
6727 // self.select_prev_state = Some(select_prev_state);
6728 // } else if selections.len() == 1 {
6729 // let selection = selections.last_mut().unwrap();
6730 // if selection.start == selection.end {
6731 // let word_range = movement::surrounding_word(
6732 // &display_map,
6733 // selection.start.to_display_point(&display_map),
6734 // );
6735 // selection.start = word_range.start.to_offset(&display_map, Bias::Left);
6736 // selection.end = word_range.end.to_offset(&display_map, Bias::Left);
6737 // selection.goal = SelectionGoal::None;
6738 // selection.reversed = false;
6739
6740 // let query = buffer
6741 // .text_for_range(selection.start..selection.end)
6742 // .collect::<String>();
6743 // let query = query.chars().rev().collect::<String>();
6744 // let select_state = SelectNextState {
6745 // query: AhoCorasick::new(&[query])?,
6746 // wordwise: true,
6747 // done: false,
6748 // };
6749 // self.unfold_ranges([selection.start..selection.end], false, true, cx);
6750 // self.change_selections(Some(Autoscroll::newest()), cx, |s| {
6751 // s.select(selections);
6752 // });
6753 // self.select_prev_state = Some(select_state);
6754 // } else {
6755 // let query = buffer
6756 // .text_for_range(selection.start..selection.end)
6757 // .collect::<String>();
6758 // let query = query.chars().rev().collect::<String>();
6759 // self.select_prev_state = Some(SelectNextState {
6760 // query: AhoCorasick::new(&[query])?,
6761 // wordwise: false,
6762 // done: false,
6763 // });
6764 // self.select_previous(action, cx)?;
6765 // }
6766 // }
6767 // Ok(())
6768 // }
6769
6770 // pub fn toggle_comments(&mut self, action: &ToggleComments, cx: &mut ViewContext<Self>) {
6771 // let text_layout_details = &self.text_layout_details(cx);
6772 // self.transact(cx, |this, cx| {
6773 // let mut selections = this.selections.all::<Point>(cx);
6774 // let mut edits = Vec::new();
6775 // let mut selection_edit_ranges = Vec::new();
6776 // let mut last_toggled_row = None;
6777 // let snapshot = this.buffer.read(cx).read(cx);
6778 // let empty_str: Arc<str> = "".into();
6779 // let mut suffixes_inserted = Vec::new();
6780
6781 // fn comment_prefix_range(
6782 // snapshot: &MultiBufferSnapshot,
6783 // row: u32,
6784 // comment_prefix: &str,
6785 // comment_prefix_whitespace: &str,
6786 // ) -> Range<Point> {
6787 // let start = Point::new(row, snapshot.indent_size_for_line(row).len);
6788
6789 // let mut line_bytes = snapshot
6790 // .bytes_in_range(start..snapshot.max_point())
6791 // .flatten()
6792 // .copied();
6793
6794 // // If this line currently begins with the line comment prefix, then record
6795 // // the range containing the prefix.
6796 // if line_bytes
6797 // .by_ref()
6798 // .take(comment_prefix.len())
6799 // .eq(comment_prefix.bytes())
6800 // {
6801 // // Include any whitespace that matches the comment prefix.
6802 // let matching_whitespace_len = line_bytes
6803 // .zip(comment_prefix_whitespace.bytes())
6804 // .take_while(|(a, b)| a == b)
6805 // .count() as u32;
6806 // let end = Point::new(
6807 // start.row,
6808 // start.column + comment_prefix.len() as u32 + matching_whitespace_len,
6809 // );
6810 // start..end
6811 // } else {
6812 // start..start
6813 // }
6814 // }
6815
6816 // fn comment_suffix_range(
6817 // snapshot: &MultiBufferSnapshot,
6818 // row: u32,
6819 // comment_suffix: &str,
6820 // comment_suffix_has_leading_space: bool,
6821 // ) -> Range<Point> {
6822 // let end = Point::new(row, snapshot.line_len(row));
6823 // let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
6824
6825 // let mut line_end_bytes = snapshot
6826 // .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
6827 // .flatten()
6828 // .copied();
6829
6830 // let leading_space_len = if suffix_start_column > 0
6831 // && line_end_bytes.next() == Some(b' ')
6832 // && comment_suffix_has_leading_space
6833 // {
6834 // 1
6835 // } else {
6836 // 0
6837 // };
6838
6839 // // If this line currently begins with the line comment prefix, then record
6840 // // the range containing the prefix.
6841 // if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
6842 // let start = Point::new(end.row, suffix_start_column - leading_space_len);
6843 // start..end
6844 // } else {
6845 // end..end
6846 // }
6847 // }
6848
6849 // // TODO: Handle selections that cross excerpts
6850 // for selection in &mut selections {
6851 // let start_column = snapshot.indent_size_for_line(selection.start.row).len;
6852 // let language = if let Some(language) =
6853 // snapshot.language_scope_at(Point::new(selection.start.row, start_column))
6854 // {
6855 // language
6856 // } else {
6857 // continue;
6858 // };
6859
6860 // selection_edit_ranges.clear();
6861
6862 // // If multiple selections contain a given row, avoid processing that
6863 // // row more than once.
6864 // let mut start_row = selection.start.row;
6865 // if last_toggled_row == Some(start_row) {
6866 // start_row += 1;
6867 // }
6868 // let end_row =
6869 // if selection.end.row > selection.start.row && selection.end.column == 0 {
6870 // selection.end.row - 1
6871 // } else {
6872 // selection.end.row
6873 // };
6874 // last_toggled_row = Some(end_row);
6875
6876 // if start_row > end_row {
6877 // continue;
6878 // }
6879
6880 // // If the language has line comments, toggle those.
6881 // if let Some(full_comment_prefix) = language.line_comment_prefix() {
6882 // // Split the comment prefix's trailing whitespace into a separate string,
6883 // // as that portion won't be used for detecting if a line is a comment.
6884 // let comment_prefix = full_comment_prefix.trim_end_matches(' ');
6885 // let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
6886 // let mut all_selection_lines_are_comments = true;
6887
6888 // for row in start_row..=end_row {
6889 // if snapshot.is_line_blank(row) && start_row < end_row {
6890 // continue;
6891 // }
6892
6893 // let prefix_range = comment_prefix_range(
6894 // snapshot.deref(),
6895 // row,
6896 // comment_prefix,
6897 // comment_prefix_whitespace,
6898 // );
6899 // if prefix_range.is_empty() {
6900 // all_selection_lines_are_comments = false;
6901 // }
6902 // selection_edit_ranges.push(prefix_range);
6903 // }
6904
6905 // if all_selection_lines_are_comments {
6906 // edits.extend(
6907 // selection_edit_ranges
6908 // .iter()
6909 // .cloned()
6910 // .map(|range| (range, empty_str.clone())),
6911 // );
6912 // } else {
6913 // let min_column = selection_edit_ranges
6914 // .iter()
6915 // .map(|r| r.start.column)
6916 // .min()
6917 // .unwrap_or(0);
6918 // edits.extend(selection_edit_ranges.iter().map(|range| {
6919 // let position = Point::new(range.start.row, min_column);
6920 // (position..position, full_comment_prefix.clone())
6921 // }));
6922 // }
6923 // } else if let Some((full_comment_prefix, comment_suffix)) =
6924 // language.block_comment_delimiters()
6925 // {
6926 // let comment_prefix = full_comment_prefix.trim_end_matches(' ');
6927 // let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
6928 // let prefix_range = comment_prefix_range(
6929 // snapshot.deref(),
6930 // start_row,
6931 // comment_prefix,
6932 // comment_prefix_whitespace,
6933 // );
6934 // let suffix_range = comment_suffix_range(
6935 // snapshot.deref(),
6936 // end_row,
6937 // comment_suffix.trim_start_matches(' '),
6938 // comment_suffix.starts_with(' '),
6939 // );
6940
6941 // if prefix_range.is_empty() || suffix_range.is_empty() {
6942 // edits.push((
6943 // prefix_range.start..prefix_range.start,
6944 // full_comment_prefix.clone(),
6945 // ));
6946 // edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
6947 // suffixes_inserted.push((end_row, comment_suffix.len()));
6948 // } else {
6949 // edits.push((prefix_range, empty_str.clone()));
6950 // edits.push((suffix_range, empty_str.clone()));
6951 // }
6952 // } else {
6953 // continue;
6954 // }
6955 // }
6956
6957 // drop(snapshot);
6958 // this.buffer.update(cx, |buffer, cx| {
6959 // buffer.edit(edits, None, cx);
6960 // });
6961
6962 // // Adjust selections so that they end before any comment suffixes that
6963 // // were inserted.
6964 // let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
6965 // let mut selections = this.selections.all::<Point>(cx);
6966 // let snapshot = this.buffer.read(cx).read(cx);
6967 // for selection in &mut selections {
6968 // while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
6969 // match row.cmp(&selection.end.row) {
6970 // Ordering::Less => {
6971 // suffixes_inserted.next();
6972 // continue;
6973 // }
6974 // Ordering::Greater => break,
6975 // Ordering::Equal => {
6976 // if selection.end.column == snapshot.line_len(row) {
6977 // if selection.is_empty() {
6978 // selection.start.column -= suffix_len as u32;
6979 // }
6980 // selection.end.column -= suffix_len as u32;
6981 // }
6982 // break;
6983 // }
6984 // }
6985 // }
6986 // }
6987
6988 // drop(snapshot);
6989 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
6990
6991 // let selections = this.selections.all::<Point>(cx);
6992 // let selections_on_single_row = selections.windows(2).all(|selections| {
6993 // selections[0].start.row == selections[1].start.row
6994 // && selections[0].end.row == selections[1].end.row
6995 // && selections[0].start.row == selections[0].end.row
6996 // });
6997 // let selections_selecting = selections
6998 // .iter()
6999 // .any(|selection| selection.start != selection.end);
7000 // let advance_downwards = action.advance_downwards
7001 // && selections_on_single_row
7002 // && !selections_selecting
7003 // && this.mode != EditorMode::SingleLine;
7004
7005 // if advance_downwards {
7006 // let snapshot = this.buffer.read(cx).snapshot(cx);
7007
7008 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7009 // s.move_cursors_with(|display_snapshot, display_point, _| {
7010 // let mut point = display_point.to_point(display_snapshot);
7011 // point.row += 1;
7012 // point = snapshot.clip_point(point, Bias::Left);
7013 // let display_point = point.to_display_point(display_snapshot);
7014 // let goal = SelectionGoal::HorizontalPosition(
7015 // display_snapshot.x_for_point(display_point, &text_layout_details),
7016 // );
7017 // (display_point, goal)
7018 // })
7019 // });
7020 // }
7021 // });
7022 // }
7023
7024 // pub fn select_larger_syntax_node(
7025 // &mut self,
7026 // _: &SelectLargerSyntaxNode,
7027 // cx: &mut ViewContext<Self>,
7028 // ) {
7029 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7030 // let buffer = self.buffer.read(cx).snapshot(cx);
7031 // let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
7032
7033 // let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
7034 // let mut selected_larger_node = false;
7035 // let new_selections = old_selections
7036 // .iter()
7037 // .map(|selection| {
7038 // let old_range = selection.start..selection.end;
7039 // let mut new_range = old_range.clone();
7040 // while let Some(containing_range) =
7041 // buffer.range_for_syntax_ancestor(new_range.clone())
7042 // {
7043 // new_range = containing_range;
7044 // if !display_map.intersects_fold(new_range.start)
7045 // && !display_map.intersects_fold(new_range.end)
7046 // {
7047 // break;
7048 // }
7049 // }
7050
7051 // selected_larger_node |= new_range != old_range;
7052 // Selection {
7053 // id: selection.id,
7054 // start: new_range.start,
7055 // end: new_range.end,
7056 // goal: SelectionGoal::None,
7057 // reversed: selection.reversed,
7058 // }
7059 // })
7060 // .collect::<Vec<_>>();
7061
7062 // if selected_larger_node {
7063 // stack.push(old_selections);
7064 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7065 // s.select(new_selections);
7066 // });
7067 // }
7068 // self.select_larger_syntax_node_stack = stack;
7069 // }
7070
7071 // pub fn select_smaller_syntax_node(
7072 // &mut self,
7073 // _: &SelectSmallerSyntaxNode,
7074 // cx: &mut ViewContext<Self>,
7075 // ) {
7076 // let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
7077 // if let Some(selections) = stack.pop() {
7078 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7079 // s.select(selections.to_vec());
7080 // });
7081 // }
7082 // self.select_larger_syntax_node_stack = stack;
7083 // }
7084
7085 // pub fn move_to_enclosing_bracket(
7086 // &mut self,
7087 // _: &MoveToEnclosingBracket,
7088 // cx: &mut ViewContext<Self>,
7089 // ) {
7090 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7091 // s.move_offsets_with(|snapshot, selection| {
7092 // let Some(enclosing_bracket_ranges) =
7093 // snapshot.enclosing_bracket_ranges(selection.start..selection.end)
7094 // else {
7095 // return;
7096 // };
7097
7098 // let mut best_length = usize::MAX;
7099 // let mut best_inside = false;
7100 // let mut best_in_bracket_range = false;
7101 // let mut best_destination = None;
7102 // for (open, close) in enclosing_bracket_ranges {
7103 // let close = close.to_inclusive();
7104 // let length = close.end() - open.start;
7105 // let inside = selection.start >= open.end && selection.end <= *close.start();
7106 // let in_bracket_range = open.to_inclusive().contains(&selection.head())
7107 // || close.contains(&selection.head());
7108
7109 // // If best is next to a bracket and current isn't, skip
7110 // if !in_bracket_range && best_in_bracket_range {
7111 // continue;
7112 // }
7113
7114 // // Prefer smaller lengths unless best is inside and current isn't
7115 // if length > best_length && (best_inside || !inside) {
7116 // continue;
7117 // }
7118
7119 // best_length = length;
7120 // best_inside = inside;
7121 // best_in_bracket_range = in_bracket_range;
7122 // best_destination = Some(
7123 // if close.contains(&selection.start) && close.contains(&selection.end) {
7124 // if inside {
7125 // open.end
7126 // } else {
7127 // open.start
7128 // }
7129 // } else {
7130 // if inside {
7131 // *close.start()
7132 // } else {
7133 // *close.end()
7134 // }
7135 // },
7136 // );
7137 // }
7138
7139 // if let Some(destination) = best_destination {
7140 // selection.collapse_to(destination, SelectionGoal::None);
7141 // }
7142 // })
7143 // });
7144 // }
7145
7146 // pub fn undo_selection(&mut self, _: &UndoSelection, cx: &mut ViewContext<Self>) {
7147 // self.end_selection(cx);
7148 // self.selection_history.mode = SelectionHistoryMode::Undoing;
7149 // if let Some(entry) = self.selection_history.undo_stack.pop_back() {
7150 // self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
7151 // self.select_next_state = entry.select_next_state;
7152 // self.select_prev_state = entry.select_prev_state;
7153 // self.add_selections_state = entry.add_selections_state;
7154 // self.request_autoscroll(Autoscroll::newest(), cx);
7155 // }
7156 // self.selection_history.mode = SelectionHistoryMode::Normal;
7157 // }
7158
7159 // pub fn redo_selection(&mut self, _: &RedoSelection, cx: &mut ViewContext<Self>) {
7160 // self.end_selection(cx);
7161 // self.selection_history.mode = SelectionHistoryMode::Redoing;
7162 // if let Some(entry) = self.selection_history.redo_stack.pop_back() {
7163 // self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
7164 // self.select_next_state = entry.select_next_state;
7165 // self.select_prev_state = entry.select_prev_state;
7166 // self.add_selections_state = entry.add_selections_state;
7167 // self.request_autoscroll(Autoscroll::newest(), cx);
7168 // }
7169 // self.selection_history.mode = SelectionHistoryMode::Normal;
7170 // }
7171
7172 // fn go_to_diagnostic(&mut self, _: &GoToDiagnostic, cx: &mut ViewContext<Self>) {
7173 // self.go_to_diagnostic_impl(Direction::Next, cx)
7174 // }
7175
7176 // fn go_to_prev_diagnostic(&mut self, _: &GoToPrevDiagnostic, cx: &mut ViewContext<Self>) {
7177 // self.go_to_diagnostic_impl(Direction::Prev, cx)
7178 // }
7179
7180 // pub fn go_to_diagnostic_impl(&mut self, direction: Direction, cx: &mut ViewContext<Self>) {
7181 // let buffer = self.buffer.read(cx).snapshot(cx);
7182 // let selection = self.selections.newest::<usize>(cx);
7183
7184 // // If there is an active Diagnostic Popover. Jump to it's diagnostic instead.
7185 // if direction == Direction::Next {
7186 // if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
7187 // let (group_id, jump_to) = popover.activation_info();
7188 // if self.activate_diagnostics(group_id, cx) {
7189 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7190 // let mut new_selection = s.newest_anchor().clone();
7191 // new_selection.collapse_to(jump_to, SelectionGoal::None);
7192 // s.select_anchors(vec![new_selection.clone()]);
7193 // });
7194 // }
7195 // return;
7196 // }
7197 // }
7198
7199 // let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
7200 // active_diagnostics
7201 // .primary_range
7202 // .to_offset(&buffer)
7203 // .to_inclusive()
7204 // });
7205 // let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
7206 // if active_primary_range.contains(&selection.head()) {
7207 // *active_primary_range.end()
7208 // } else {
7209 // selection.head()
7210 // }
7211 // } else {
7212 // selection.head()
7213 // };
7214
7215 // loop {
7216 // let mut diagnostics = if direction == Direction::Prev {
7217 // buffer.diagnostics_in_range::<_, usize>(0..search_start, true)
7218 // } else {
7219 // buffer.diagnostics_in_range::<_, usize>(search_start..buffer.len(), false)
7220 // };
7221 // let group = diagnostics.find_map(|entry| {
7222 // if entry.diagnostic.is_primary
7223 // && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
7224 // && !entry.range.is_empty()
7225 // && Some(entry.range.end) != active_primary_range.as_ref().map(|r| *r.end())
7226 // && !entry.range.contains(&search_start)
7227 // {
7228 // Some((entry.range, entry.diagnostic.group_id))
7229 // } else {
7230 // None
7231 // }
7232 // });
7233
7234 // if let Some((primary_range, group_id)) = group {
7235 // if self.activate_diagnostics(group_id, cx) {
7236 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7237 // s.select(vec![Selection {
7238 // id: selection.id,
7239 // start: primary_range.start,
7240 // end: primary_range.start,
7241 // reversed: false,
7242 // goal: SelectionGoal::None,
7243 // }]);
7244 // });
7245 // }
7246 // break;
7247 // } else {
7248 // // Cycle around to the start of the buffer, potentially moving back to the start of
7249 // // the currently active diagnostic.
7250 // active_primary_range.take();
7251 // if direction == Direction::Prev {
7252 // if search_start == buffer.len() {
7253 // break;
7254 // } else {
7255 // search_start = buffer.len();
7256 // }
7257 // } else if search_start == 0 {
7258 // break;
7259 // } else {
7260 // search_start = 0;
7261 // }
7262 // }
7263 // }
7264 // }
7265
7266 // fn go_to_hunk(&mut self, _: &GoToHunk, cx: &mut ViewContext<Self>) {
7267 // let snapshot = self
7268 // .display_map
7269 // .update(cx, |display_map, cx| display_map.snapshot(cx));
7270 // let selection = self.selections.newest::<Point>(cx);
7271
7272 // if !self.seek_in_direction(
7273 // &snapshot,
7274 // selection.head(),
7275 // false,
7276 // snapshot
7277 // .buffer_snapshot
7278 // .git_diff_hunks_in_range((selection.head().row + 1)..u32::MAX),
7279 // cx,
7280 // ) {
7281 // let wrapped_point = Point::zero();
7282 // self.seek_in_direction(
7283 // &snapshot,
7284 // wrapped_point,
7285 // true,
7286 // snapshot
7287 // .buffer_snapshot
7288 // .git_diff_hunks_in_range((wrapped_point.row + 1)..u32::MAX),
7289 // cx,
7290 // );
7291 // }
7292 // }
7293
7294 // fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, cx: &mut ViewContext<Self>) {
7295 // let snapshot = self
7296 // .display_map
7297 // .update(cx, |display_map, cx| display_map.snapshot(cx));
7298 // let selection = self.selections.newest::<Point>(cx);
7299
7300 // if !self.seek_in_direction(
7301 // &snapshot,
7302 // selection.head(),
7303 // false,
7304 // snapshot
7305 // .buffer_snapshot
7306 // .git_diff_hunks_in_range_rev(0..selection.head().row),
7307 // cx,
7308 // ) {
7309 // let wrapped_point = snapshot.buffer_snapshot.max_point();
7310 // self.seek_in_direction(
7311 // &snapshot,
7312 // wrapped_point,
7313 // true,
7314 // snapshot
7315 // .buffer_snapshot
7316 // .git_diff_hunks_in_range_rev(0..wrapped_point.row),
7317 // cx,
7318 // );
7319 // }
7320 // }
7321
7322 // fn seek_in_direction(
7323 // &mut self,
7324 // snapshot: &DisplaySnapshot,
7325 // initial_point: Point,
7326 // is_wrapped: bool,
7327 // hunks: impl Iterator<Item = DiffHunk<u32>>,
7328 // cx: &mut ViewContext<Editor>,
7329 // ) -> bool {
7330 // let display_point = initial_point.to_display_point(snapshot);
7331 // let mut hunks = hunks
7332 // .map(|hunk| diff_hunk_to_display(hunk, &snapshot))
7333 // .filter(|hunk| {
7334 // if is_wrapped {
7335 // true
7336 // } else {
7337 // !hunk.contains_display_row(display_point.row())
7338 // }
7339 // })
7340 // .dedup();
7341
7342 // if let Some(hunk) = hunks.next() {
7343 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7344 // let row = hunk.start_display_row();
7345 // let point = DisplayPoint::new(row, 0);
7346 // s.select_display_ranges([point..point]);
7347 // });
7348
7349 // true
7350 // } else {
7351 // false
7352 // }
7353 // }
7354
7355 pub fn go_to_definition(&mut self, _: &GoToDefinition, cx: &mut ViewContext<Self>) {
7356 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, cx);
7357 }
7358
7359 pub fn go_to_type_definition(&mut self, _: &GoToTypeDefinition, cx: &mut ViewContext<Self>) {
7360 self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, cx);
7361 }
7362
7363 pub fn go_to_definition_split(&mut self, _: &GoToDefinitionSplit, cx: &mut ViewContext<Self>) {
7364 self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, cx);
7365 }
7366
7367 pub fn go_to_type_definition_split(
7368 &mut self,
7369 _: &GoToTypeDefinitionSplit,
7370 cx: &mut ViewContext<Self>,
7371 ) {
7372 self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, cx);
7373 }
7374
7375 fn go_to_definition_of_kind(
7376 &mut self,
7377 kind: GotoDefinitionKind,
7378 split: bool,
7379 cx: &mut ViewContext<Self>,
7380 ) {
7381 let Some(workspace) = self.workspace() else {
7382 return;
7383 };
7384 let buffer = self.buffer.read(cx);
7385 let head = self.selections.newest::<usize>(cx).head();
7386 let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
7387 text_anchor
7388 } else {
7389 return;
7390 };
7391
7392 let project = workspace.read(cx).project().clone();
7393 let definitions = project.update(cx, |project, cx| match kind {
7394 GotoDefinitionKind::Symbol => project.definition(&buffer, head, cx),
7395 GotoDefinitionKind::Type => project.type_definition(&buffer, head, cx),
7396 });
7397
7398 cx.spawn(|editor, mut cx| async move {
7399 let definitions = definitions.await?;
7400 editor.update(&mut cx, |editor, cx| {
7401 editor.navigate_to_definitions(
7402 definitions
7403 .into_iter()
7404 .map(GoToDefinitionLink::Text)
7405 .collect(),
7406 split,
7407 cx,
7408 );
7409 })?;
7410 Ok::<(), anyhow::Error>(())
7411 })
7412 .detach_and_log_err(cx);
7413 }
7414
7415 pub fn navigate_to_definitions(
7416 &mut self,
7417 mut definitions: Vec<GoToDefinitionLink>,
7418 split: bool,
7419 cx: &mut ViewContext<Editor>,
7420 ) {
7421 let Some(workspace) = self.workspace() else {
7422 return;
7423 };
7424 let pane = workspace.read(cx).active_pane().clone();
7425 // If there is one definition, just open it directly
7426 if definitions.len() == 1 {
7427 let definition = definitions.pop().unwrap();
7428 let target_task = match definition {
7429 GoToDefinitionLink::Text(link) => Task::Ready(Some(Ok(Some(link.target)))),
7430 GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
7431 self.compute_target_location(lsp_location, server_id, cx)
7432 }
7433 };
7434 cx.spawn(|editor, mut cx| async move {
7435 let target = target_task.await.context("target resolution task")?;
7436 if let Some(target) = target {
7437 editor.update(&mut cx, |editor, cx| {
7438 let range = target.range.to_offset(target.buffer.read(cx));
7439 let range = editor.range_for_match(&range);
7440 if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
7441 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
7442 s.select_ranges([range]);
7443 });
7444 } else {
7445 cx.window_context().defer(move |cx| {
7446 let target_editor: View<Self> =
7447 workspace.update(cx, |workspace, cx| {
7448 if split {
7449 workspace.split_project_item(target.buffer.clone(), cx)
7450 } else {
7451 workspace.open_project_item(target.buffer.clone(), cx)
7452 }
7453 });
7454 target_editor.update(cx, |target_editor, cx| {
7455 // When selecting a definition in a different buffer, disable the nav history
7456 // to avoid creating a history entry at the previous cursor location.
7457 pane.update(cx, |pane, _| pane.disable_history());
7458 target_editor.change_selections(
7459 Some(Autoscroll::fit()),
7460 cx,
7461 |s| {
7462 s.select_ranges([range]);
7463 },
7464 );
7465 pane.update(cx, |pane, _| pane.enable_history());
7466 });
7467 });
7468 }
7469 })
7470 } else {
7471 Ok(())
7472 }
7473 })
7474 .detach_and_log_err(cx);
7475 } else if !definitions.is_empty() {
7476 let replica_id = self.replica_id(cx);
7477 cx.spawn(|editor, mut cx| async move {
7478 let (title, location_tasks) = editor
7479 .update(&mut cx, |editor, cx| {
7480 let title = definitions
7481 .iter()
7482 .find_map(|definition| match definition {
7483 GoToDefinitionLink::Text(link) => {
7484 link.origin.as_ref().map(|origin| {
7485 let buffer = origin.buffer.read(cx);
7486 format!(
7487 "Definitions for {}",
7488 buffer
7489 .text_for_range(origin.range.clone())
7490 .collect::<String>()
7491 )
7492 })
7493 }
7494 GoToDefinitionLink::InlayHint(_, _) => None,
7495 })
7496 .unwrap_or("Definitions".to_string());
7497 let location_tasks = definitions
7498 .into_iter()
7499 .map(|definition| match definition {
7500 GoToDefinitionLink::Text(link) => {
7501 Task::Ready(Some(Ok(Some(link.target))))
7502 }
7503 GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
7504 editor.compute_target_location(lsp_location, server_id, cx)
7505 }
7506 })
7507 .collect::<Vec<_>>();
7508 (title, location_tasks)
7509 })
7510 .context("location tasks preparation")?;
7511
7512 let locations = futures::future::join_all(location_tasks)
7513 .await
7514 .into_iter()
7515 .filter_map(|location| location.transpose())
7516 .collect::<Result<_>>()
7517 .context("location tasks")?;
7518 workspace.update(&mut cx, |workspace, cx| {
7519 Self::open_locations_in_multibuffer(
7520 workspace, locations, replica_id, title, split, cx,
7521 )
7522 });
7523
7524 anyhow::Ok(())
7525 })
7526 .detach_and_log_err(cx);
7527 }
7528 }
7529
7530 fn compute_target_location(
7531 &self,
7532 lsp_location: lsp::Location,
7533 server_id: LanguageServerId,
7534 cx: &mut ViewContext<Editor>,
7535 ) -> Task<anyhow::Result<Option<Location>>> {
7536 let Some(project) = self.project.clone() else {
7537 return Task::Ready(Some(Ok(None)));
7538 };
7539
7540 cx.spawn(move |editor, mut cx| async move {
7541 let location_task = editor.update(&mut cx, |editor, cx| {
7542 project.update(cx, |project, cx| {
7543 let language_server_name =
7544 editor.buffer.read(cx).as_singleton().and_then(|buffer| {
7545 project
7546 .language_server_for_buffer(buffer.read(cx), server_id, cx)
7547 .map(|(_, lsp_adapter)| {
7548 LanguageServerName(Arc::from(lsp_adapter.name()))
7549 })
7550 });
7551 language_server_name.map(|language_server_name| {
7552 project.open_local_buffer_via_lsp(
7553 lsp_location.uri.clone(),
7554 server_id,
7555 language_server_name,
7556 cx,
7557 )
7558 })
7559 })
7560 })?;
7561 let location = match location_task {
7562 Some(task) => Some({
7563 let target_buffer_handle = task.await.context("open local buffer")?;
7564 let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
7565 let target_start = target_buffer
7566 .clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
7567 let target_end = target_buffer
7568 .clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
7569 target_buffer.anchor_after(target_start)
7570 ..target_buffer.anchor_before(target_end)
7571 })?;
7572 Location {
7573 buffer: target_buffer_handle,
7574 range,
7575 }
7576 }),
7577 None => None,
7578 };
7579 Ok(location)
7580 })
7581 }
7582
7583 // pub fn find_all_references(
7584 // workspace: &mut Workspace,
7585 // _: &FindAllReferences,
7586 // cx: &mut ViewContext<Workspace>,
7587 // ) -> Option<Task<Result<()>>> {
7588 // let active_item = workspace.active_item(cx)?;
7589 // let editor_handle = active_item.act_as::<Self>(cx)?;
7590
7591 // let editor = editor_handle.read(cx);
7592 // let buffer = editor.buffer.read(cx);
7593 // let head = editor.selections.newest::<usize>(cx).head();
7594 // let (buffer, head) = buffer.text_anchor_for_position(head, cx)?;
7595 // let replica_id = editor.replica_id(cx);
7596
7597 // let project = workspace.project().clone();
7598 // let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
7599 // Some(cx.spawn_labeled(
7600 // "Finding All References...",
7601 // |workspace, mut cx| async move {
7602 // let locations = references.await?;
7603 // if locations.is_empty() {
7604 // return Ok(());
7605 // }
7606
7607 // workspace.update(&mut cx, |workspace, cx| {
7608 // let title = locations
7609 // .first()
7610 // .as_ref()
7611 // .map(|location| {
7612 // let buffer = location.buffer.read(cx);
7613 // format!(
7614 // "References to `{}`",
7615 // buffer
7616 // .text_for_range(location.range.clone())
7617 // .collect::<String>()
7618 // )
7619 // })
7620 // .unwrap();
7621 // Self::open_locations_in_multibuffer(
7622 // workspace, locations, replica_id, title, false, cx,
7623 // );
7624 // })?;
7625
7626 // Ok(())
7627 // },
7628 // ))
7629 // }
7630
7631 /// Opens a multibuffer with the given project locations in it
7632 pub fn open_locations_in_multibuffer(
7633 workspace: &mut Workspace,
7634 mut locations: Vec<Location>,
7635 replica_id: ReplicaId,
7636 title: String,
7637 split: bool,
7638 cx: &mut ViewContext<Workspace>,
7639 ) {
7640 // If there are multiple definitions, open them in a multibuffer
7641 locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
7642 let mut locations = locations.into_iter().peekable();
7643 let mut ranges_to_highlight = Vec::new();
7644
7645 let excerpt_buffer = cx.build_model(|cx| {
7646 let mut multibuffer = MultiBuffer::new(replica_id);
7647 while let Some(location) = locations.next() {
7648 let buffer = location.buffer.read(cx);
7649 let mut ranges_for_buffer = Vec::new();
7650 let range = location.range.to_offset(buffer);
7651 ranges_for_buffer.push(range.clone());
7652
7653 while let Some(next_location) = locations.peek() {
7654 if next_location.buffer == location.buffer {
7655 ranges_for_buffer.push(next_location.range.to_offset(buffer));
7656 locations.next();
7657 } else {
7658 break;
7659 }
7660 }
7661
7662 ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
7663 ranges_to_highlight.extend(multibuffer.push_excerpts_with_context_lines(
7664 location.buffer.clone(),
7665 ranges_for_buffer,
7666 1,
7667 cx,
7668 ))
7669 }
7670
7671 multibuffer.with_title(title)
7672 });
7673
7674 let editor = cx.build_view(|cx| {
7675 Editor::for_multibuffer(excerpt_buffer, Some(workspace.project().clone()), cx)
7676 });
7677 editor.update(cx, |editor, cx| {
7678 editor.highlight_background::<Self>(
7679 ranges_to_highlight,
7680 |theme| todo!("theme.editor.highlighted_line_background"),
7681 cx,
7682 );
7683 });
7684 if split {
7685 workspace.split_item(SplitDirection::Right, Box::new(editor), cx);
7686 } else {
7687 workspace.add_item(Box::new(editor), cx);
7688 }
7689 }
7690
7691 // pub fn rename(&mut self, _: &Rename, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
7692 // use language::ToOffset as _;
7693
7694 // let project = self.project.clone()?;
7695 // let selection = self.selections.newest_anchor().clone();
7696 // let (cursor_buffer, cursor_buffer_position) = self
7697 // .buffer
7698 // .read(cx)
7699 // .text_anchor_for_position(selection.head(), cx)?;
7700 // let (tail_buffer, _) = self
7701 // .buffer
7702 // .read(cx)
7703 // .text_anchor_for_position(selection.tail(), cx)?;
7704 // if tail_buffer != cursor_buffer {
7705 // return None;
7706 // }
7707
7708 // let snapshot = cursor_buffer.read(cx).snapshot();
7709 // let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
7710 // let prepare_rename = project.update(cx, |project, cx| {
7711 // project.prepare_rename(cursor_buffer, cursor_buffer_offset, cx)
7712 // });
7713
7714 // Some(cx.spawn(|this, mut cx| async move {
7715 // let rename_range = if let Some(range) = prepare_rename.await? {
7716 // Some(range)
7717 // } else {
7718 // this.update(&mut cx, |this, cx| {
7719 // let buffer = this.buffer.read(cx).snapshot(cx);
7720 // let mut buffer_highlights = this
7721 // .document_highlights_for_position(selection.head(), &buffer)
7722 // .filter(|highlight| {
7723 // highlight.start.excerpt_id == selection.head().excerpt_id
7724 // && highlight.end.excerpt_id == selection.head().excerpt_id
7725 // });
7726 // buffer_highlights
7727 // .next()
7728 // .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
7729 // })?
7730 // };
7731 // if let Some(rename_range) = rename_range {
7732 // let rename_buffer_range = rename_range.to_offset(&snapshot);
7733 // let cursor_offset_in_rename_range =
7734 // cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
7735
7736 // this.update(&mut cx, |this, cx| {
7737 // this.take_rename(false, cx);
7738 // let style = this.style(cx);
7739 // let buffer = this.buffer.read(cx).read(cx);
7740 // let cursor_offset = selection.head().to_offset(&buffer);
7741 // let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
7742 // let rename_end = rename_start + rename_buffer_range.len();
7743 // let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
7744 // let mut old_highlight_id = None;
7745 // let old_name: Arc<str> = buffer
7746 // .chunks(rename_start..rename_end, true)
7747 // .map(|chunk| {
7748 // if old_highlight_id.is_none() {
7749 // old_highlight_id = chunk.syntax_highlight_id;
7750 // }
7751 // chunk.text
7752 // })
7753 // .collect::<String>()
7754 // .into();
7755
7756 // drop(buffer);
7757
7758 // // Position the selection in the rename editor so that it matches the current selection.
7759 // this.show_local_selections = false;
7760 // let rename_editor = cx.add_view(|cx| {
7761 // let mut editor = Editor::single_line(None, cx);
7762 // if let Some(old_highlight_id) = old_highlight_id {
7763 // editor.override_text_style =
7764 // Some(Box::new(move |style| old_highlight_id.style(&style.syntax)));
7765 // }
7766 // editor.buffer.update(cx, |buffer, cx| {
7767 // buffer.edit([(0..0, old_name.clone())], None, cx)
7768 // });
7769 // editor.select_all(&SelectAll, cx);
7770 // editor
7771 // });
7772
7773 // let ranges = this
7774 // .clear_background_highlights::<DocumentHighlightWrite>(cx)
7775 // .into_iter()
7776 // .flat_map(|(_, ranges)| ranges.into_iter())
7777 // .chain(
7778 // this.clear_background_highlights::<DocumentHighlightRead>(cx)
7779 // .into_iter()
7780 // .flat_map(|(_, ranges)| ranges.into_iter()),
7781 // )
7782 // .collect();
7783
7784 // this.highlight_text::<Rename>(
7785 // ranges,
7786 // HighlightStyle {
7787 // fade_out: Some(style.rename_fade),
7788 // ..Default::default()
7789 // },
7790 // cx,
7791 // );
7792 // cx.focus(&rename_editor);
7793 // let block_id = this.insert_blocks(
7794 // [BlockProperties {
7795 // style: BlockStyle::Flex,
7796 // position: range.start.clone(),
7797 // height: 1,
7798 // render: Arc::new({
7799 // let editor = rename_editor.clone();
7800 // move |cx: &mut BlockContext| {
7801 // ChildView::new(&editor, cx)
7802 // .contained()
7803 // .with_padding_left(cx.anchor_x)
7804 // .into_any()
7805 // }
7806 // }),
7807 // disposition: BlockDisposition::Below,
7808 // }],
7809 // Some(Autoscroll::fit()),
7810 // cx,
7811 // )[0];
7812 // this.pending_rename = Some(RenameState {
7813 // range,
7814 // old_name,
7815 // editor: rename_editor,
7816 // block_id,
7817 // });
7818 // })?;
7819 // }
7820
7821 // Ok(())
7822 // }))
7823 // }
7824
7825 // pub fn confirm_rename(
7826 // workspace: &mut Workspace,
7827 // _: &ConfirmRename,
7828 // cx: &mut ViewContext<Workspace>,
7829 // ) -> Option<Task<Result<()>>> {
7830 // let editor = workspace.active_item(cx)?.act_as::<Editor>(cx)?;
7831
7832 // let (buffer, range, old_name, new_name) = editor.update(cx, |editor, cx| {
7833 // let rename = editor.take_rename(false, cx)?;
7834 // let buffer = editor.buffer.read(cx);
7835 // let (start_buffer, start) =
7836 // buffer.text_anchor_for_position(rename.range.start.clone(), cx)?;
7837 // let (end_buffer, end) =
7838 // buffer.text_anchor_for_position(rename.range.end.clone(), cx)?;
7839 // if start_buffer == end_buffer {
7840 // let new_name = rename.editor.read(cx).text(cx);
7841 // Some((start_buffer, start..end, rename.old_name, new_name))
7842 // } else {
7843 // None
7844 // }
7845 // })?;
7846
7847 // let rename = workspace.project().clone().update(cx, |project, cx| {
7848 // project.perform_rename(buffer.clone(), range.start, new_name.clone(), true, cx)
7849 // });
7850
7851 // let editor = editor.downgrade();
7852 // Some(cx.spawn(|workspace, mut cx| async move {
7853 // let project_transaction = rename.await?;
7854 // Self::open_project_transaction(
7855 // &editor,
7856 // workspace,
7857 // project_transaction,
7858 // format!("Rename: {} → {}", old_name, new_name),
7859 // cx.clone(),
7860 // )
7861 // .await?;
7862
7863 // editor.update(&mut cx, |editor, cx| {
7864 // editor.refresh_document_highlights(cx);
7865 // })?;
7866 // Ok(())
7867 // }))
7868 // }
7869
7870 fn take_rename(
7871 &mut self,
7872 moving_cursor: bool,
7873 cx: &mut ViewContext<Self>,
7874 ) -> Option<RenameState> {
7875 let rename = self.pending_rename.take()?;
7876 self.remove_blocks(
7877 [rename.block_id].into_iter().collect(),
7878 Some(Autoscroll::fit()),
7879 cx,
7880 );
7881 self.clear_highlights::<Rename>(cx);
7882 self.show_local_selections = true;
7883
7884 if moving_cursor {
7885 let rename_editor = rename.editor.read(cx);
7886 let cursor_in_rename_editor = rename_editor.selections.newest::<usize>(cx).head();
7887
7888 // Update the selection to match the position of the selection inside
7889 // the rename editor.
7890 let snapshot = self.buffer.read(cx).read(cx);
7891 let rename_range = rename.range.to_offset(&snapshot);
7892 let cursor_in_editor = snapshot
7893 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
7894 .min(rename_range.end);
7895 drop(snapshot);
7896
7897 self.change_selections(None, cx, |s| {
7898 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
7899 });
7900 } else {
7901 self.refresh_document_highlights(cx);
7902 }
7903
7904 Some(rename)
7905 }
7906
7907 #[cfg(any(test, feature = "test-support"))]
7908 pub fn pending_rename(&self) -> Option<&RenameState> {
7909 self.pending_rename.as_ref()
7910 }
7911
7912 // fn format(&mut self, _: &Format, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
7913 // let project = match &self.project {
7914 // Some(project) => project.clone(),
7915 // None => return None,
7916 // };
7917
7918 // Some(self.perform_format(project, FormatTrigger::Manual, cx))
7919 // }
7920
7921 fn perform_format(
7922 &mut self,
7923 project: Model<Project>,
7924 trigger: FormatTrigger,
7925 cx: &mut ViewContext<Self>,
7926 ) -> Task<Result<()>> {
7927 let buffer = self.buffer().clone();
7928 let buffers = buffer.read(cx).all_buffers();
7929
7930 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
7931 let format = project.update(cx, |project, cx| project.format(buffers, true, trigger, cx));
7932
7933 cx.spawn(|_, mut cx| async move {
7934 let transaction = futures::select_biased! {
7935 _ = timeout => {
7936 log::warn!("timed out waiting for formatting");
7937 None
7938 }
7939 transaction = format.log_err().fuse() => transaction,
7940 };
7941
7942 buffer.update(&mut cx, |buffer, cx| {
7943 if let Some(transaction) = transaction {
7944 if !buffer.is_singleton() {
7945 buffer.push_transaction(&transaction.0, cx);
7946 }
7947 }
7948
7949 cx.notify();
7950 });
7951
7952 Ok(())
7953 })
7954 }
7955
7956 // fn restart_language_server(&mut self, _: &RestartLanguageServer, cx: &mut ViewContext<Self>) {
7957 // if let Some(project) = self.project.clone() {
7958 // self.buffer.update(cx, |multi_buffer, cx| {
7959 // project.update(cx, |project, cx| {
7960 // project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
7961 // });
7962 // })
7963 // }
7964 // }
7965
7966 // fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
7967 // cx.show_character_palette();
7968 // }
7969
7970 fn refresh_active_diagnostics(&mut self, cx: &mut ViewContext<Editor>) {
7971 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
7972 let buffer = self.buffer.read(cx).snapshot(cx);
7973 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
7974 let is_valid = buffer
7975 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone(), false)
7976 .any(|entry| {
7977 entry.diagnostic.is_primary
7978 && !entry.range.is_empty()
7979 && entry.range.start == primary_range_start
7980 && entry.diagnostic.message == active_diagnostics.primary_message
7981 });
7982
7983 if is_valid != active_diagnostics.is_valid {
7984 active_diagnostics.is_valid = is_valid;
7985 let mut new_styles = HashMap::default();
7986 for (block_id, diagnostic) in &active_diagnostics.blocks {
7987 new_styles.insert(
7988 *block_id,
7989 diagnostic_block_renderer(diagnostic.clone(), is_valid),
7990 );
7991 }
7992 self.display_map
7993 .update(cx, |display_map, _| display_map.replace_blocks(new_styles));
7994 }
7995 }
7996 }
7997
7998 // fn activate_diagnostics(&mut self, group_id: usize, cx: &mut ViewContext<Self>) -> bool {
7999 // self.dismiss_diagnostics(cx);
8000 // self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
8001 // let buffer = self.buffer.read(cx).snapshot(cx);
8002
8003 // let mut primary_range = None;
8004 // let mut primary_message = None;
8005 // let mut group_end = Point::zero();
8006 // let diagnostic_group = buffer
8007 // .diagnostic_group::<Point>(group_id)
8008 // .map(|entry| {
8009 // if entry.range.end > group_end {
8010 // group_end = entry.range.end;
8011 // }
8012 // if entry.diagnostic.is_primary {
8013 // primary_range = Some(entry.range.clone());
8014 // primary_message = Some(entry.diagnostic.message.clone());
8015 // }
8016 // entry
8017 // })
8018 // .collect::<Vec<_>>();
8019 // let primary_range = primary_range?;
8020 // let primary_message = primary_message?;
8021 // let primary_range =
8022 // buffer.anchor_after(primary_range.start)..buffer.anchor_before(primary_range.end);
8023
8024 // let blocks = display_map
8025 // .insert_blocks(
8026 // diagnostic_group.iter().map(|entry| {
8027 // let diagnostic = entry.diagnostic.clone();
8028 // let message_height = diagnostic.message.lines().count() as u8;
8029 // BlockProperties {
8030 // style: BlockStyle::Fixed,
8031 // position: buffer.anchor_after(entry.range.start),
8032 // height: message_height,
8033 // render: diagnostic_block_renderer(diagnostic, true),
8034 // disposition: BlockDisposition::Below,
8035 // }
8036 // }),
8037 // cx,
8038 // )
8039 // .into_iter()
8040 // .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
8041 // .collect();
8042
8043 // Some(ActiveDiagnosticGroup {
8044 // primary_range,
8045 // primary_message,
8046 // blocks,
8047 // is_valid: true,
8048 // })
8049 // });
8050 // self.active_diagnostics.is_some()
8051 // }
8052
8053 // fn dismiss_diagnostics(&mut self, cx: &mut ViewContext<Self>) {
8054 // if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
8055 // self.display_map.update(cx, |display_map, cx| {
8056 // display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
8057 // });
8058 // cx.notify();
8059 // }
8060 // }
8061
8062 // pub fn set_selections_from_remote(
8063 // &mut self,
8064 // selections: Vec<Selection<Anchor>>,
8065 // pending_selection: Option<Selection<Anchor>>,
8066 // cx: &mut ViewContext<Self>,
8067 // ) {
8068 // let old_cursor_position = self.selections.newest_anchor().head();
8069 // self.selections.change_with(cx, |s| {
8070 // s.select_anchors(selections);
8071 // if let Some(pending_selection) = pending_selection {
8072 // s.set_pending(pending_selection, SelectMode::Character);
8073 // } else {
8074 // s.clear_pending();
8075 // }
8076 // });
8077 // self.selections_did_change(false, &old_cursor_position, cx);
8078 // }
8079
8080 fn push_to_selection_history(&mut self) {
8081 self.selection_history.push(SelectionHistoryEntry {
8082 selections: self.selections.disjoint_anchors(),
8083 select_next_state: self.select_next_state.clone(),
8084 select_prev_state: self.select_prev_state.clone(),
8085 add_selections_state: self.add_selections_state.clone(),
8086 });
8087 }
8088
8089 pub fn transact(
8090 &mut self,
8091 cx: &mut ViewContext<Self>,
8092 update: impl FnOnce(&mut Self, &mut ViewContext<Self>),
8093 ) -> Option<TransactionId> {
8094 self.start_transaction_at(Instant::now(), cx);
8095 update(self, cx);
8096 self.end_transaction_at(Instant::now(), cx)
8097 }
8098
8099 fn start_transaction_at(&mut self, now: Instant, cx: &mut ViewContext<Self>) {
8100 todo!()
8101 // self.end_selection(cx);
8102 // if let Some(tx_id) = self
8103 // .buffer
8104 // .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
8105 // {
8106 // self.selection_history
8107 // .insert_transaction(tx_id, self.selections.disjoint_anchors());
8108 // }
8109 }
8110
8111 fn end_transaction_at(
8112 &mut self,
8113 now: Instant,
8114 cx: &mut ViewContext<Self>,
8115 ) -> Option<TransactionId> {
8116 todo!()
8117 // if let Some(tx_id) = self
8118 // .buffer
8119 // .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
8120 // {
8121 // if let Some((_, end_selections)) = self.selection_history.transaction_mut(tx_id) {
8122 // *end_selections = Some(self.selections.disjoint_anchors());
8123 // } else {
8124 // error!("unexpectedly ended a transaction that wasn't started by this editor");
8125 // }
8126
8127 // cx.emit(Event::Edited);
8128 // Some(tx_id)
8129 // } else {
8130 // None
8131 // }
8132 }
8133
8134 // pub fn fold(&mut self, _: &Fold, cx: &mut ViewContext<Self>) {
8135 // let mut fold_ranges = Vec::new();
8136
8137 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8138
8139 // let selections = self.selections.all_adjusted(cx);
8140 // for selection in selections {
8141 // let range = selection.range().sorted();
8142 // let buffer_start_row = range.start.row;
8143
8144 // for row in (0..=range.end.row).rev() {
8145 // let fold_range = display_map.foldable_range(row);
8146
8147 // if let Some(fold_range) = fold_range {
8148 // if fold_range.end.row >= buffer_start_row {
8149 // fold_ranges.push(fold_range);
8150 // if row <= range.start.row {
8151 // break;
8152 // }
8153 // }
8154 // }
8155 // }
8156 // }
8157
8158 // self.fold_ranges(fold_ranges, true, cx);
8159 // }
8160
8161 // pub fn fold_at(&mut self, fold_at: &FoldAt, cx: &mut ViewContext<Self>) {
8162 // let buffer_row = fold_at.buffer_row;
8163 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8164
8165 // if let Some(fold_range) = display_map.foldable_range(buffer_row) {
8166 // let autoscroll = self
8167 // .selections
8168 // .all::<Point>(cx)
8169 // .iter()
8170 // .any(|selection| fold_range.overlaps(&selection.range()));
8171
8172 // self.fold_ranges(std::iter::once(fold_range), autoscroll, cx);
8173 // }
8174 // }
8175
8176 // pub fn unfold_lines(&mut self, _: &UnfoldLines, cx: &mut ViewContext<Self>) {
8177 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8178 // let buffer = &display_map.buffer_snapshot;
8179 // let selections = self.selections.all::<Point>(cx);
8180 // let ranges = selections
8181 // .iter()
8182 // .map(|s| {
8183 // let range = s.display_range(&display_map).sorted();
8184 // let mut start = range.start.to_point(&display_map);
8185 // let mut end = range.end.to_point(&display_map);
8186 // start.column = 0;
8187 // end.column = buffer.line_len(end.row);
8188 // start..end
8189 // })
8190 // .collect::<Vec<_>>();
8191
8192 // self.unfold_ranges(ranges, true, true, cx);
8193 // }
8194
8195 // pub fn unfold_at(&mut self, unfold_at: &UnfoldAt, cx: &mut ViewContext<Self>) {
8196 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8197
8198 // let intersection_range = Point::new(unfold_at.buffer_row, 0)
8199 // ..Point::new(
8200 // unfold_at.buffer_row,
8201 // display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
8202 // );
8203
8204 // let autoscroll = self
8205 // .selections
8206 // .all::<Point>(cx)
8207 // .iter()
8208 // .any(|selection| selection.range().overlaps(&intersection_range));
8209
8210 // self.unfold_ranges(std::iter::once(intersection_range), true, autoscroll, cx)
8211 // }
8212
8213 // pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
8214 // let selections = self.selections.all::<Point>(cx);
8215 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8216 // let line_mode = self.selections.line_mode;
8217 // let ranges = selections.into_iter().map(|s| {
8218 // if line_mode {
8219 // let start = Point::new(s.start.row, 0);
8220 // let end = Point::new(s.end.row, display_map.buffer_snapshot.line_len(s.end.row));
8221 // start..end
8222 // } else {
8223 // s.start..s.end
8224 // }
8225 // });
8226 // self.fold_ranges(ranges, true, cx);
8227 // }
8228
8229 pub fn fold_ranges<T: ToOffset + Clone>(
8230 &mut self,
8231 ranges: impl IntoIterator<Item = Range<T>>,
8232 auto_scroll: bool,
8233 cx: &mut ViewContext<Self>,
8234 ) {
8235 let mut ranges = ranges.into_iter().peekable();
8236 if ranges.peek().is_some() {
8237 self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
8238
8239 if auto_scroll {
8240 self.request_autoscroll(Autoscroll::fit(), cx);
8241 }
8242
8243 cx.notify();
8244 }
8245 }
8246
8247 pub fn unfold_ranges<T: ToOffset + Clone>(
8248 &mut self,
8249 ranges: impl IntoIterator<Item = Range<T>>,
8250 inclusive: bool,
8251 auto_scroll: bool,
8252 cx: &mut ViewContext<Self>,
8253 ) {
8254 let mut ranges = ranges.into_iter().peekable();
8255 if ranges.peek().is_some() {
8256 self.display_map
8257 .update(cx, |map, cx| map.unfold(ranges, inclusive, cx));
8258 if auto_scroll {
8259 self.request_autoscroll(Autoscroll::fit(), cx);
8260 }
8261
8262 cx.notify();
8263 }
8264 }
8265
8266 // pub fn gutter_hover(
8267 // &mut self,
8268 // GutterHover { hovered }: &GutterHover,
8269 // cx: &mut ViewContext<Self>,
8270 // ) {
8271 // self.gutter_hovered = *hovered;
8272 // cx.notify();
8273 // }
8274
8275 // pub fn insert_blocks(
8276 // &mut self,
8277 // blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
8278 // autoscroll: Option<Autoscroll>,
8279 // cx: &mut ViewContext<Self>,
8280 // ) -> Vec<BlockId> {
8281 // let blocks = self
8282 // .display_map
8283 // .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
8284 // if let Some(autoscroll) = autoscroll {
8285 // self.request_autoscroll(autoscroll, cx);
8286 // }
8287 // blocks
8288 // }
8289
8290 // pub fn replace_blocks(
8291 // &mut self,
8292 // blocks: HashMap<BlockId, RenderBlock>,
8293 // autoscroll: Option<Autoscroll>,
8294 // cx: &mut ViewContext<Self>,
8295 // ) {
8296 // self.display_map
8297 // .update(cx, |display_map, _| display_map.replace_blocks(blocks));
8298 // if let Some(autoscroll) = autoscroll {
8299 // self.request_autoscroll(autoscroll, cx);
8300 // }
8301 // }
8302
8303 pub fn remove_blocks(
8304 &mut self,
8305 block_ids: HashSet<BlockId>,
8306 autoscroll: Option<Autoscroll>,
8307 cx: &mut ViewContext<Self>,
8308 ) {
8309 self.display_map.update(cx, |display_map, cx| {
8310 display_map.remove_blocks(block_ids, cx)
8311 });
8312 if let Some(autoscroll) = autoscroll {
8313 self.request_autoscroll(autoscroll, cx);
8314 }
8315 }
8316
8317 // pub fn longest_row(&self, cx: &mut AppContext) -> u32 {
8318 // self.display_map
8319 // .update(cx, |map, cx| map.snapshot(cx))
8320 // .longest_row()
8321 // }
8322
8323 // pub fn max_point(&self, cx: &mut AppContext) -> DisplayPoint {
8324 // self.display_map
8325 // .update(cx, |map, cx| map.snapshot(cx))
8326 // .max_point()
8327 // }
8328
8329 // pub fn text(&self, cx: &AppContext) -> String {
8330 // self.buffer.read(cx).read(cx).text()
8331 // }
8332
8333 // pub fn set_text(&mut self, text: impl Into<Arc<str>>, cx: &mut ViewContext<Self>) {
8334 // self.transact(cx, |this, cx| {
8335 // this.buffer
8336 // .read(cx)
8337 // .as_singleton()
8338 // .expect("you can only call set_text on editors for singleton buffers")
8339 // .update(cx, |buffer, cx| buffer.set_text(text, cx));
8340 // });
8341 // }
8342
8343 // pub fn display_text(&self, cx: &mut AppContext) -> String {
8344 // self.display_map
8345 // .update(cx, |map, cx| map.snapshot(cx))
8346 // .text()
8347 // }
8348
8349 pub fn wrap_guides(&self, cx: &AppContext) -> SmallVec<[(usize, bool); 2]> {
8350 let mut wrap_guides = smallvec::smallvec![];
8351
8352 if self.show_wrap_guides == Some(false) {
8353 return wrap_guides;
8354 }
8355
8356 let settings = self.buffer.read(cx).settings_at(0, cx);
8357 if settings.show_wrap_guides {
8358 if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
8359 wrap_guides.push((soft_wrap as usize, true));
8360 }
8361 wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
8362 }
8363
8364 wrap_guides
8365 }
8366
8367 pub fn soft_wrap_mode(&self, cx: &AppContext) -> SoftWrap {
8368 let settings = self.buffer.read(cx).settings_at(0, cx);
8369 let mode = self
8370 .soft_wrap_mode_override
8371 .unwrap_or_else(|| settings.soft_wrap);
8372 match mode {
8373 language_settings::SoftWrap::None => SoftWrap::None,
8374 language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
8375 language_settings::SoftWrap::PreferredLineLength => {
8376 SoftWrap::Column(settings.preferred_line_length)
8377 }
8378 }
8379 }
8380
8381 pub fn set_soft_wrap_mode(
8382 &mut self,
8383 mode: language_settings::SoftWrap,
8384 cx: &mut ViewContext<Self>,
8385 ) {
8386 self.soft_wrap_mode_override = Some(mode);
8387 cx.notify();
8388 }
8389
8390 pub fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut AppContext) -> bool {
8391 self.display_map
8392 .update(cx, |map, cx| map.set_wrap_width(width, cx))
8393 }
8394
8395 // pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, cx: &mut ViewContext<Self>) {
8396 // if self.soft_wrap_mode_override.is_some() {
8397 // self.soft_wrap_mode_override.take();
8398 // } else {
8399 // let soft_wrap = match self.soft_wrap_mode(cx) {
8400 // SoftWrap::None => language_settings::SoftWrap::EditorWidth,
8401 // SoftWrap::EditorWidth | SoftWrap::Column(_) => language_settings::SoftWrap::None,
8402 // };
8403 // self.soft_wrap_mode_override = Some(soft_wrap);
8404 // }
8405 // cx.notify();
8406 // }
8407
8408 // pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
8409 // self.show_gutter = show_gutter;
8410 // cx.notify();
8411 // }
8412
8413 // pub fn set_show_wrap_guides(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
8414 // self.show_wrap_guides = Some(show_gutter);
8415 // cx.notify();
8416 // }
8417
8418 // pub fn reveal_in_finder(&mut self, _: &RevealInFinder, cx: &mut ViewContext<Self>) {
8419 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8420 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8421 // cx.reveal_path(&file.abs_path(cx));
8422 // }
8423 // }
8424 // }
8425
8426 // pub fn copy_path(&mut self, _: &CopyPath, cx: &mut ViewContext<Self>) {
8427 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8428 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8429 // if let Some(path) = file.abs_path(cx).to_str() {
8430 // cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
8431 // }
8432 // }
8433 // }
8434 // }
8435
8436 // pub fn copy_relative_path(&mut self, _: &CopyRelativePath, cx: &mut ViewContext<Self>) {
8437 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8438 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8439 // if let Some(path) = file.path().to_str() {
8440 // cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
8441 // }
8442 // }
8443 // }
8444 // }
8445
8446 pub fn highlight_rows(&mut self, rows: Option<Range<u32>>) {
8447 self.highlighted_rows = rows;
8448 }
8449
8450 pub fn highlighted_rows(&self) -> Option<Range<u32>> {
8451 self.highlighted_rows.clone()
8452 }
8453
8454 pub fn highlight_background<T: 'static>(
8455 &mut self,
8456 ranges: Vec<Range<Anchor>>,
8457 color_fetcher: fn(&ThemeColors) -> Hsla,
8458 cx: &mut ViewContext<Self>,
8459 ) {
8460 self.background_highlights
8461 .insert(TypeId::of::<T>(), (color_fetcher, ranges));
8462 cx.notify();
8463 }
8464
8465 // pub fn highlight_inlay_background<T: 'static>(
8466 // &mut self,
8467 // ranges: Vec<InlayHighlight>,
8468 // color_fetcher: fn(&Theme) -> Color,
8469 // cx: &mut ViewContext<Self>,
8470 // ) {
8471 // // TODO: no actual highlights happen for inlays currently, find a way to do that
8472 // self.inlay_background_highlights
8473 // .insert(Some(TypeId::of::<T>()), (color_fetcher, ranges));
8474 // cx.notify();
8475 // }
8476
8477 // pub fn clear_background_highlights<T: 'static>(
8478 // &mut self,
8479 // cx: &mut ViewContext<Self>,
8480 // ) -> Option<BackgroundHighlight> {
8481 // let text_highlights = self.background_highlights.remove(&TypeId::of::<T>());
8482 // let inlay_highlights = self
8483 // .inlay_background_highlights
8484 // .remove(&Some(TypeId::of::<T>()));
8485 // if text_highlights.is_some() || inlay_highlights.is_some() {
8486 // cx.notify();
8487 // }
8488 // text_highlights
8489 // }
8490
8491 // #[cfg(feature = "test-support")]
8492 // pub fn all_text_background_highlights(
8493 // &mut self,
8494 // cx: &mut ViewContext<Self>,
8495 // ) -> Vec<(Range<DisplayPoint>, Color)> {
8496 // let snapshot = self.snapshot(cx);
8497 // let buffer = &snapshot.buffer_snapshot;
8498 // let start = buffer.anchor_before(0);
8499 // let end = buffer.anchor_after(buffer.len());
8500 // let theme = theme::current(cx);
8501 // self.background_highlights_in_range(start..end, &snapshot, theme.as_ref())
8502 // }
8503
8504 // fn document_highlights_for_position<'a>(
8505 // &'a self,
8506 // position: Anchor,
8507 // buffer: &'a MultiBufferSnapshot,
8508 // ) -> impl 'a + Iterator<Item = &Range<Anchor>> {
8509 // let read_highlights = self
8510 // .background_highlights
8511 // .get(&TypeId::of::<DocumentHighlightRead>())
8512 // .map(|h| &h.1);
8513 // let write_highlights = self
8514 // .background_highlights
8515 // .get(&TypeId::of::<DocumentHighlightWrite>())
8516 // .map(|h| &h.1);
8517 // let left_position = position.bias_left(buffer);
8518 // let right_position = position.bias_right(buffer);
8519 // read_highlights
8520 // .into_iter()
8521 // .chain(write_highlights)
8522 // .flat_map(move |ranges| {
8523 // let start_ix = match ranges.binary_search_by(|probe| {
8524 // let cmp = probe.end.cmp(&left_position, buffer);
8525 // if cmp.is_ge() {
8526 // Ordering::Greater
8527 // } else {
8528 // Ordering::Less
8529 // }
8530 // }) {
8531 // Ok(i) | Err(i) => i,
8532 // };
8533
8534 // let right_position = right_position.clone();
8535 // ranges[start_ix..]
8536 // .iter()
8537 // .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
8538 // })
8539 // }
8540
8541 pub fn background_highlights_in_range(
8542 &self,
8543 search_range: Range<Anchor>,
8544 display_snapshot: &DisplaySnapshot,
8545 theme: &ThemeColors,
8546 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
8547 let mut results = Vec::new();
8548 for (color_fetcher, ranges) in self.background_highlights.values() {
8549 let color = color_fetcher(theme);
8550 let start_ix = match ranges.binary_search_by(|probe| {
8551 let cmp = probe
8552 .end
8553 .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
8554 if cmp.is_gt() {
8555 Ordering::Greater
8556 } else {
8557 Ordering::Less
8558 }
8559 }) {
8560 Ok(i) | Err(i) => i,
8561 };
8562 for range in &ranges[start_ix..] {
8563 if range
8564 .start
8565 .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
8566 .is_ge()
8567 {
8568 break;
8569 }
8570
8571 let start = range.start.to_display_point(&display_snapshot);
8572 let end = range.end.to_display_point(&display_snapshot);
8573 results.push((start..end, color))
8574 }
8575 }
8576 results
8577 }
8578
8579 // pub fn background_highlight_row_ranges<T: 'static>(
8580 // &self,
8581 // search_range: Range<Anchor>,
8582 // display_snapshot: &DisplaySnapshot,
8583 // count: usize,
8584 // ) -> Vec<RangeInclusive<DisplayPoint>> {
8585 // let mut results = Vec::new();
8586 // let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
8587 // return vec![];
8588 // };
8589
8590 // let start_ix = match ranges.binary_search_by(|probe| {
8591 // let cmp = probe
8592 // .end
8593 // .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
8594 // if cmp.is_gt() {
8595 // Ordering::Greater
8596 // } else {
8597 // Ordering::Less
8598 // }
8599 // }) {
8600 // Ok(i) | Err(i) => i,
8601 // };
8602 // let mut push_region = |start: Option<Point>, end: Option<Point>| {
8603 // if let (Some(start_display), Some(end_display)) = (start, end) {
8604 // results.push(
8605 // start_display.to_display_point(display_snapshot)
8606 // ..=end_display.to_display_point(display_snapshot),
8607 // );
8608 // }
8609 // };
8610 // let mut start_row: Option<Point> = None;
8611 // let mut end_row: Option<Point> = None;
8612 // if ranges.len() > count {
8613 // return Vec::new();
8614 // }
8615 // for range in &ranges[start_ix..] {
8616 // if range
8617 // .start
8618 // .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
8619 // .is_ge()
8620 // {
8621 // break;
8622 // }
8623 // let end = range.end.to_point(&display_snapshot.buffer_snapshot);
8624 // if let Some(current_row) = &end_row {
8625 // if end.row == current_row.row {
8626 // continue;
8627 // }
8628 // }
8629 // let start = range.start.to_point(&display_snapshot.buffer_snapshot);
8630 // if start_row.is_none() {
8631 // assert_eq!(end_row, None);
8632 // start_row = Some(start);
8633 // end_row = Some(end);
8634 // continue;
8635 // }
8636 // if let Some(current_end) = end_row.as_mut() {
8637 // if start.row > current_end.row + 1 {
8638 // push_region(start_row, end_row);
8639 // start_row = Some(start);
8640 // end_row = Some(end);
8641 // } else {
8642 // // Merge two hunks.
8643 // *current_end = end;
8644 // }
8645 // } else {
8646 // unreachable!();
8647 // }
8648 // }
8649 // // We might still have a hunk that was not rendered (if there was a search hit on the last line)
8650 // push_region(start_row, end_row);
8651 // results
8652 // }
8653
8654 // pub fn highlight_text<T: 'static>(
8655 // &mut self,
8656 // ranges: Vec<Range<Anchor>>,
8657 // style: HighlightStyle,
8658 // cx: &mut ViewContext<Self>,
8659 // ) {
8660 // self.display_map.update(cx, |map, _| {
8661 // map.highlight_text(TypeId::of::<T>(), ranges, style)
8662 // });
8663 // cx.notify();
8664 // }
8665
8666 // pub fn highlight_inlays<T: 'static>(
8667 // &mut self,
8668 // highlights: Vec<InlayHighlight>,
8669 // style: HighlightStyle,
8670 // cx: &mut ViewContext<Self>,
8671 // ) {
8672 // self.display_map.update(cx, |map, _| {
8673 // map.highlight_inlays(TypeId::of::<T>(), highlights, style)
8674 // });
8675 // cx.notify();
8676 // }
8677
8678 // pub fn text_highlights<'a, T: 'static>(
8679 // &'a self,
8680 // cx: &'a AppContext,
8681 // ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
8682 // self.display_map.read(cx).text_highlights(TypeId::of::<T>())
8683 // }
8684
8685 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut ViewContext<Self>) {
8686 let cleared = self
8687 .display_map
8688 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
8689 if cleared {
8690 cx.notify();
8691 }
8692 }
8693
8694 pub fn show_local_cursors(&self, cx: &WindowContext) -> bool {
8695 self.blink_manager.read(cx).visible() && self.focus_handle.is_focused(cx)
8696 }
8697
8698 fn on_buffer_changed(&mut self, _: Model<MultiBuffer>, cx: &mut ViewContext<Self>) {
8699 cx.notify();
8700 }
8701
8702 fn on_buffer_event(
8703 &mut self,
8704 multibuffer: Model<MultiBuffer>,
8705 event: &multi_buffer::Event,
8706 cx: &mut ViewContext<Self>,
8707 ) {
8708 match event {
8709 multi_buffer::Event::Edited {
8710 sigleton_buffer_edited,
8711 } => {
8712 self.refresh_active_diagnostics(cx);
8713 self.refresh_code_actions(cx);
8714 if self.has_active_copilot_suggestion(cx) {
8715 self.update_visible_copilot_suggestion(cx);
8716 }
8717 cx.emit(Event::BufferEdited);
8718
8719 if *sigleton_buffer_edited {
8720 if let Some(project) = &self.project {
8721 let project = project.read(cx);
8722 let languages_affected = multibuffer
8723 .read(cx)
8724 .all_buffers()
8725 .into_iter()
8726 .filter_map(|buffer| {
8727 let buffer = buffer.read(cx);
8728 let language = buffer.language()?;
8729 if project.is_local()
8730 && project.language_servers_for_buffer(buffer, cx).count() == 0
8731 {
8732 None
8733 } else {
8734 Some(language)
8735 }
8736 })
8737 .cloned()
8738 .collect::<HashSet<_>>();
8739 if !languages_affected.is_empty() {
8740 self.refresh_inlay_hints(
8741 InlayHintRefreshReason::BufferEdited(languages_affected),
8742 cx,
8743 );
8744 }
8745 }
8746 }
8747 }
8748 multi_buffer::Event::ExcerptsAdded {
8749 buffer,
8750 predecessor,
8751 excerpts,
8752 } => {
8753 cx.emit(Event::ExcerptsAdded {
8754 buffer: buffer.clone(),
8755 predecessor: *predecessor,
8756 excerpts: excerpts.clone(),
8757 });
8758 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
8759 }
8760 multi_buffer::Event::ExcerptsRemoved { ids } => {
8761 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
8762 cx.emit(Event::ExcerptsRemoved { ids: ids.clone() })
8763 }
8764 multi_buffer::Event::Reparsed => cx.emit(Event::Reparsed),
8765 multi_buffer::Event::DirtyChanged => cx.emit(Event::DirtyChanged),
8766 multi_buffer::Event::Saved => cx.emit(Event::Saved),
8767 multi_buffer::Event::FileHandleChanged => cx.emit(Event::TitleChanged),
8768 multi_buffer::Event::Reloaded => cx.emit(Event::TitleChanged),
8769 multi_buffer::Event::DiffBaseChanged => cx.emit(Event::DiffBaseChanged),
8770 multi_buffer::Event::Closed => cx.emit(Event::Closed),
8771 multi_buffer::Event::DiagnosticsUpdated => {
8772 self.refresh_active_diagnostics(cx);
8773 }
8774 _ => {}
8775 };
8776 }
8777
8778 fn on_display_map_changed(&mut self, _: Model<DisplayMap>, cx: &mut ViewContext<Self>) {
8779 cx.notify();
8780 }
8781
8782 fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
8783 self.refresh_copilot_suggestions(true, cx);
8784 self.refresh_inlay_hints(
8785 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
8786 self.selections.newest_anchor().head(),
8787 &self.buffer.read(cx).snapshot(cx),
8788 cx,
8789 )),
8790 cx,
8791 );
8792 }
8793
8794 // pub fn set_searchable(&mut self, searchable: bool) {
8795 // self.searchable = searchable;
8796 // }
8797
8798 // pub fn searchable(&self) -> bool {
8799 // self.searchable
8800 // }
8801
8802 // fn open_excerpts(workspace: &mut Workspace, _: &OpenExcerpts, cx: &mut ViewContext<Workspace>) {
8803 // let active_item = workspace.active_item(cx);
8804 // let editor_handle = if let Some(editor) = active_item
8805 // .as_ref()
8806 // .and_then(|item| item.act_as::<Self>(cx))
8807 // {
8808 // editor
8809 // } else {
8810 // cx.propagate_action();
8811 // return;
8812 // };
8813
8814 // let editor = editor_handle.read(cx);
8815 // let buffer = editor.buffer.read(cx);
8816 // if buffer.is_singleton() {
8817 // cx.propagate_action();
8818 // return;
8819 // }
8820
8821 // let mut new_selections_by_buffer = HashMap::default();
8822 // for selection in editor.selections.all::<usize>(cx) {
8823 // for (buffer, mut range, _) in
8824 // buffer.range_to_buffer_ranges(selection.start..selection.end, cx)
8825 // {
8826 // if selection.reversed {
8827 // mem::swap(&mut range.start, &mut range.end);
8828 // }
8829 // new_selections_by_buffer
8830 // .entry(buffer)
8831 // .or_insert(Vec::new())
8832 // .push(range)
8833 // }
8834 // }
8835
8836 // editor_handle.update(cx, |editor, cx| {
8837 // editor.push_to_nav_history(editor.selections.newest_anchor().head(), None, cx);
8838 // });
8839 // let pane = workspace.active_pane().clone();
8840 // pane.update(cx, |pane, _| pane.disable_history());
8841
8842 // // We defer the pane interaction because we ourselves are a workspace item
8843 // // and activating a new item causes the pane to call a method on us reentrantly,
8844 // // which panics if we're on the stack.
8845 // cx.defer(move |workspace, cx| {
8846 // for (buffer, ranges) in new_selections_by_buffer.into_iter() {
8847 // let editor = workspace.open_project_item::<Self>(buffer, cx);
8848 // editor.update(cx, |editor, cx| {
8849 // editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
8850 // s.select_ranges(ranges);
8851 // });
8852 // });
8853 // }
8854
8855 // pane.update(cx, |pane, _| pane.enable_history());
8856 // });
8857 // }
8858
8859 // fn jump(
8860 // workspace: &mut Workspace,
8861 // path: ProjectPath,
8862 // position: Point,
8863 // anchor: language::Anchor,
8864 // cx: &mut ViewContext<Workspace>,
8865 // ) {
8866 // let editor = workspace.open_path(path, None, true, cx);
8867 // cx.spawn(|_, mut cx| async move {
8868 // let editor = editor
8869 // .await?
8870 // .downcast::<Editor>()
8871 // .ok_or_else(|| anyhow!("opened item was not an editor"))?
8872 // .downgrade();
8873 // editor.update(&mut cx, |editor, cx| {
8874 // let buffer = editor
8875 // .buffer()
8876 // .read(cx)
8877 // .as_singleton()
8878 // .ok_or_else(|| anyhow!("cannot jump in a multi-buffer"))?;
8879 // let buffer = buffer.read(cx);
8880 // let cursor = if buffer.can_resolve(&anchor) {
8881 // language::ToPoint::to_point(&anchor, buffer)
8882 // } else {
8883 // buffer.clip_point(position, Bias::Left)
8884 // };
8885
8886 // let nav_history = editor.nav_history.take();
8887 // editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
8888 // s.select_ranges([cursor..cursor]);
8889 // });
8890 // editor.nav_history = nav_history;
8891
8892 // anyhow::Ok(())
8893 // })??;
8894
8895 // anyhow::Ok(())
8896 // })
8897 // .detach_and_log_err(cx);
8898 // }
8899
8900 // fn marked_text_ranges(&self, cx: &AppContext) -> Option<Vec<Range<OffsetUtf16>>> {
8901 // let snapshot = self.buffer.read(cx).read(cx);
8902 // let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
8903 // Some(
8904 // ranges
8905 // .iter()
8906 // .map(move |range| {
8907 // range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
8908 // })
8909 // .collect(),
8910 // )
8911 // }
8912
8913 // fn selection_replacement_ranges(
8914 // &self,
8915 // range: Range<OffsetUtf16>,
8916 // cx: &AppContext,
8917 // ) -> Vec<Range<OffsetUtf16>> {
8918 // let selections = self.selections.all::<OffsetUtf16>(cx);
8919 // let newest_selection = selections
8920 // .iter()
8921 // .max_by_key(|selection| selection.id)
8922 // .unwrap();
8923 // let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
8924 // let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
8925 // let snapshot = self.buffer.read(cx).read(cx);
8926 // selections
8927 // .into_iter()
8928 // .map(|mut selection| {
8929 // selection.start.0 =
8930 // (selection.start.0 as isize).saturating_add(start_delta) as usize;
8931 // selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
8932 // snapshot.clip_offset_utf16(selection.start, Bias::Left)
8933 // ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
8934 // })
8935 // .collect()
8936 // }
8937
8938 fn report_copilot_event(
8939 &self,
8940 suggestion_id: Option<String>,
8941 suggestion_accepted: bool,
8942 cx: &AppContext,
8943 ) {
8944 let Some(project) = &self.project else { return };
8945
8946 // If None, we are either getting suggestions in a new, unsaved file, or in a file without an extension
8947 let file_extension = self
8948 .buffer
8949 .read(cx)
8950 .as_singleton()
8951 .and_then(|b| b.read(cx).file())
8952 .and_then(|file| Path::new(file.file_name(cx)).extension())
8953 .and_then(|e| e.to_str())
8954 .map(|a| a.to_string());
8955
8956 let telemetry = project.read(cx).client().telemetry().clone();
8957 let telemetry_settings = *TelemetrySettings::get_global(cx);
8958
8959 let event = ClickhouseEvent::Copilot {
8960 suggestion_id,
8961 suggestion_accepted,
8962 file_extension,
8963 };
8964 telemetry.report_clickhouse_event(event, telemetry_settings);
8965 }
8966
8967 #[cfg(any(test, feature = "test-support"))]
8968 fn report_editor_event(
8969 &self,
8970 _operation: &'static str,
8971 _file_extension: Option<String>,
8972 _cx: &AppContext,
8973 ) {
8974 }
8975
8976 #[cfg(not(any(test, feature = "test-support")))]
8977 fn report_editor_event(
8978 &self,
8979 operation: &'static str,
8980 file_extension: Option<String>,
8981 cx: &AppContext,
8982 ) {
8983 let Some(project) = &self.project else { return };
8984
8985 // If None, we are in a file without an extension
8986 let file = self
8987 .buffer
8988 .read(cx)
8989 .as_singleton()
8990 .and_then(|b| b.read(cx).file());
8991 let file_extension = file_extension.or(file
8992 .as_ref()
8993 .and_then(|file| Path::new(file.file_name(cx)).extension())
8994 .and_then(|e| e.to_str())
8995 .map(|a| a.to_string()));
8996
8997 let vim_mode = cx
8998 .global::<SettingsStore>()
8999 .raw_user_settings()
9000 .get("vim_mode")
9001 == Some(&serde_json::Value::Bool(true));
9002 let telemetry_settings = *TelemetrySettings::get_global(cx);
9003 let copilot_enabled = all_language_settings(file, cx).copilot_enabled(None, None);
9004 let copilot_enabled_for_language = self
9005 .buffer
9006 .read(cx)
9007 .settings_at(0, cx)
9008 .show_copilot_suggestions;
9009
9010 let telemetry = project.read(cx).client().telemetry().clone();
9011 let event = ClickhouseEvent::Editor {
9012 file_extension,
9013 vim_mode,
9014 operation,
9015 copilot_enabled,
9016 copilot_enabled_for_language,
9017 };
9018 telemetry.report_clickhouse_event(event, telemetry_settings)
9019 }
9020
9021 // /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
9022 // /// with each line being an array of {text, highlight} objects.
9023 // fn copy_highlight_json(&mut self, _: &CopyHighlightJson, cx: &mut ViewContext<Self>) {
9024 // let Some(buffer) = self.buffer.read(cx).as_singleton() else {
9025 // return;
9026 // };
9027
9028 // #[derive(Serialize)]
9029 // struct Chunk<'a> {
9030 // text: String,
9031 // highlight: Option<&'a str>,
9032 // }
9033
9034 // let snapshot = buffer.read(cx).snapshot();
9035 // let range = self
9036 // .selected_text_range(cx)
9037 // .and_then(|selected_range| {
9038 // if selected_range.is_empty() {
9039 // None
9040 // } else {
9041 // Some(selected_range)
9042 // }
9043 // })
9044 // .unwrap_or_else(|| 0..snapshot.len());
9045
9046 // let chunks = snapshot.chunks(range, true);
9047 // let mut lines = Vec::new();
9048 // let mut line: VecDeque<Chunk> = VecDeque::new();
9049
9050 // let theme = &theme::current(cx).editor.syntax;
9051
9052 // for chunk in chunks {
9053 // let highlight = chunk.syntax_highlight_id.and_then(|id| id.name(theme));
9054 // let mut chunk_lines = chunk.text.split("\n").peekable();
9055 // while let Some(text) = chunk_lines.next() {
9056 // let mut merged_with_last_token = false;
9057 // if let Some(last_token) = line.back_mut() {
9058 // if last_token.highlight == highlight {
9059 // last_token.text.push_str(text);
9060 // merged_with_last_token = true;
9061 // }
9062 // }
9063
9064 // if !merged_with_last_token {
9065 // line.push_back(Chunk {
9066 // text: text.into(),
9067 // highlight,
9068 // });
9069 // }
9070
9071 // if chunk_lines.peek().is_some() {
9072 // if line.len() > 1 && line.front().unwrap().text.is_empty() {
9073 // line.pop_front();
9074 // }
9075 // if line.len() > 1 && line.back().unwrap().text.is_empty() {
9076 // line.pop_back();
9077 // }
9078
9079 // lines.push(mem::take(&mut line));
9080 // }
9081 // }
9082 // }
9083
9084 // let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
9085 // return;
9086 // };
9087 // cx.write_to_clipboard(ClipboardItem::new(lines));
9088 // }
9089
9090 // pub fn inlay_hint_cache(&self) -> &InlayHintCache {
9091 // &self.inlay_hint_cache
9092 // }
9093
9094 // pub fn replay_insert_event(
9095 // &mut self,
9096 // text: &str,
9097 // relative_utf16_range: Option<Range<isize>>,
9098 // cx: &mut ViewContext<Self>,
9099 // ) {
9100 // if !self.input_enabled {
9101 // cx.emit(Event::InputIgnored { text: text.into() });
9102 // return;
9103 // }
9104 // if let Some(relative_utf16_range) = relative_utf16_range {
9105 // let selections = self.selections.all::<OffsetUtf16>(cx);
9106 // self.change_selections(None, cx, |s| {
9107 // let new_ranges = selections.into_iter().map(|range| {
9108 // let start = OffsetUtf16(
9109 // range
9110 // .head()
9111 // .0
9112 // .saturating_add_signed(relative_utf16_range.start),
9113 // );
9114 // let end = OffsetUtf16(
9115 // range
9116 // .head()
9117 // .0
9118 // .saturating_add_signed(relative_utf16_range.end),
9119 // );
9120 // start..end
9121 // });
9122 // s.select_ranges(new_ranges);
9123 // });
9124 // }
9125
9126 // self.handle_input(text, cx);
9127 // }
9128
9129 // pub fn supports_inlay_hints(&self, cx: &AppContext) -> bool {
9130 // let Some(project) = self.project.as_ref() else {
9131 // return false;
9132 // };
9133 // let project = project.read(cx);
9134
9135 // let mut supports = false;
9136 // self.buffer().read(cx).for_each_buffer(|buffer| {
9137 // if !supports {
9138 // supports = project
9139 // .language_servers_for_buffer(buffer.read(cx), cx)
9140 // .any(
9141 // |(_, server)| match server.capabilities().inlay_hint_provider {
9142 // Some(lsp::OneOf::Left(enabled)) => enabled,
9143 // Some(lsp::OneOf::Right(_)) => true,
9144 // None => false,
9145 // },
9146 // )
9147 // }
9148 // });
9149 // supports
9150 // }
9151}
9152
9153pub trait CollaborationHub {
9154 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator>;
9155 fn user_participant_indices<'a>(
9156 &self,
9157 cx: &'a AppContext,
9158 ) -> &'a HashMap<u64, ParticipantIndex>;
9159}
9160
9161impl CollaborationHub for Model<Project> {
9162 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator> {
9163 self.read(cx).collaborators()
9164 }
9165
9166 fn user_participant_indices<'a>(
9167 &self,
9168 cx: &'a AppContext,
9169 ) -> &'a HashMap<u64, ParticipantIndex> {
9170 self.read(cx).user_store().read(cx).participant_indices()
9171 }
9172}
9173
9174fn inlay_hint_settings(
9175 location: Anchor,
9176 snapshot: &MultiBufferSnapshot,
9177 cx: &mut ViewContext<'_, Editor>,
9178) -> InlayHintSettings {
9179 let file = snapshot.file_at(location);
9180 let language = snapshot.language_at(location);
9181 let settings = all_language_settings(file, cx);
9182 settings
9183 .language(language.map(|l| l.name()).as_deref())
9184 .inlay_hints
9185}
9186
9187fn consume_contiguous_rows(
9188 contiguous_row_selections: &mut Vec<Selection<Point>>,
9189 selection: &Selection<Point>,
9190 display_map: &DisplaySnapshot,
9191 selections: &mut std::iter::Peekable<std::slice::Iter<Selection<Point>>>,
9192) -> (u32, u32) {
9193 contiguous_row_selections.push(selection.clone());
9194 let start_row = selection.start.row;
9195 let mut end_row = ending_row(selection, display_map);
9196
9197 while let Some(next_selection) = selections.peek() {
9198 if next_selection.start.row <= end_row {
9199 end_row = ending_row(next_selection, display_map);
9200 contiguous_row_selections.push(selections.next().unwrap().clone());
9201 } else {
9202 break;
9203 }
9204 }
9205 (start_row, end_row)
9206}
9207
9208fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> u32 {
9209 if next_selection.end.column > 0 || next_selection.is_empty() {
9210 display_map.next_line_boundary(next_selection.end).0.row + 1
9211 } else {
9212 next_selection.end.row
9213 }
9214}
9215
9216impl EditorSnapshot {
9217 pub fn remote_selections_in_range<'a>(
9218 &'a self,
9219 range: &'a Range<Anchor>,
9220 collaboration_hub: &dyn CollaborationHub,
9221 cx: &'a AppContext,
9222 ) -> impl 'a + Iterator<Item = RemoteSelection> {
9223 let participant_indices = collaboration_hub.user_participant_indices(cx);
9224 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
9225 let collaborators_by_replica_id = collaborators_by_peer_id
9226 .iter()
9227 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
9228 .collect::<HashMap<_, _>>();
9229 self.buffer_snapshot
9230 .remote_selections_in_range(range)
9231 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
9232 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
9233 let participant_index = participant_indices.get(&collaborator.user_id).copied();
9234 Some(RemoteSelection {
9235 replica_id,
9236 selection,
9237 cursor_shape,
9238 line_mode,
9239 participant_index,
9240 peer_id: collaborator.peer_id,
9241 })
9242 })
9243 }
9244
9245 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
9246 self.display_snapshot.buffer_snapshot.language_at(position)
9247 }
9248
9249 pub fn is_focused(&self) -> bool {
9250 self.is_focused
9251 }
9252
9253 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
9254 self.placeholder_text.as_ref()
9255 }
9256
9257 pub fn scroll_position(&self) -> gpui::Point<f32> {
9258 self.scroll_anchor.scroll_position(&self.display_snapshot)
9259 }
9260}
9261
9262impl Deref for EditorSnapshot {
9263 type Target = DisplaySnapshot;
9264
9265 fn deref(&self) -> &Self::Target {
9266 &self.display_snapshot
9267 }
9268}
9269
9270#[derive(Clone, Debug, PartialEq, Eq)]
9271pub enum Event {
9272 InputIgnored {
9273 text: Arc<str>,
9274 },
9275 InputHandled {
9276 utf16_range_to_replace: Option<Range<isize>>,
9277 text: Arc<str>,
9278 },
9279 ExcerptsAdded {
9280 buffer: Model<Buffer>,
9281 predecessor: ExcerptId,
9282 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
9283 },
9284 ExcerptsRemoved {
9285 ids: Vec<ExcerptId>,
9286 },
9287 BufferEdited,
9288 Edited,
9289 Reparsed,
9290 Focused,
9291 Blurred,
9292 DirtyChanged,
9293 Saved,
9294 TitleChanged,
9295 DiffBaseChanged,
9296 SelectionsChanged {
9297 local: bool,
9298 },
9299 ScrollPositionChanged {
9300 local: bool,
9301 autoscroll: bool,
9302 },
9303 Closed,
9304}
9305
9306pub struct EditorFocused(pub View<Editor>);
9307pub struct EditorBlurred(pub View<Editor>);
9308pub struct EditorReleased(pub WeakView<Editor>);
9309
9310// impl Entity for Editor {
9311// type Event = Event;
9312
9313// fn release(&mut self, cx: &mut AppContext) {
9314// cx.emit_global(EditorReleased(self.handle.clone()));
9315// }
9316// }
9317//
9318impl EventEmitter for Editor {
9319 type Event = Event;
9320}
9321
9322impl Render for Editor {
9323 type Element = EditorElement;
9324
9325 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
9326 let settings = ThemeSettings::get_global(cx);
9327 let text_style = TextStyle {
9328 color: cx.theme().colors().text,
9329 font_family: settings.buffer_font.family.clone(),
9330 font_features: settings.buffer_font.features,
9331 font_size: settings.buffer_font_size.into(),
9332 font_weight: FontWeight::NORMAL,
9333 font_style: FontStyle::Normal,
9334 line_height: Default::default(),
9335 underline: None,
9336 };
9337 EditorElement::new(EditorStyle {
9338 background: cx.theme().colors().editor_background,
9339 local_player: cx.theme().players().local(),
9340 text: text_style,
9341 line_height_scalar: settings.buffer_line_height.value(),
9342 scrollbar_width: px(12.),
9343 })
9344 }
9345}
9346
9347// impl View for Editor {
9348// fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
9349// let style = self.style(cx);
9350// let font_changed = self.display_map.update(cx, |map, cx| {
9351// map.set_fold_ellipses_color(style.folds.ellipses.text_color);
9352// map.set_font_with_size(style.text.font_id, style.text.font_size, cx)
9353// });
9354
9355// if font_changed {
9356// cx.defer(move |editor, cx: &mut ViewContext<Editor>| {
9357// hide_hover(editor, cx);
9358// hide_link_definition(editor, cx);
9359// });
9360// }
9361
9362// Stack::new()
9363// .with_child(EditorElement::new(style.clone()))
9364// .with_child(ChildView::new(&self.mouse_context_menu, cx))
9365// .into_any()
9366// }
9367
9368// fn ui_name() -> &'static str {
9369// "Editor"
9370// }
9371
9372// fn focus_in(&mut self, focused: AnyView, cx: &mut ViewContext<Self>) {
9373// if cx.is_self_focused() {
9374// let focused_event = EditorFocused(cx.handle());
9375// cx.emit(Event::Focused);
9376// cx.emit_global(focused_event);
9377// }
9378// if let Some(rename) = self.pending_rename.as_ref() {
9379// cx.focus(&rename.editor);
9380// } else if cx.is_self_focused() || !focused.is::<Editor>() {
9381// if !self.focused {
9382// self.blink_manager.update(cx, BlinkManager::enable);
9383// }
9384// self.focused = true;
9385// self.buffer.update(cx, |buffer, cx| {
9386// buffer.finalize_last_transaction(cx);
9387// if self.leader_peer_id.is_none() {
9388// buffer.set_active_selections(
9389// &self.selections.disjoint_anchors(),
9390// self.selections.line_mode,
9391// self.cursor_shape,
9392// cx,
9393// );
9394// }
9395// });
9396// }
9397// }
9398
9399// fn focus_out(&mut self, _: AnyView, cx: &mut ViewContext<Self>) {
9400// let blurred_event = EditorBlurred(cx.handle());
9401// cx.emit_global(blurred_event);
9402// self.focused = false;
9403// self.blink_manager.update(cx, BlinkManager::disable);
9404// self.buffer
9405// .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
9406// self.hide_context_menu(cx);
9407// hide_hover(self, cx);
9408// cx.emit(Event::Blurred);
9409// cx.notify();
9410// }
9411
9412// fn modifiers_changed(
9413// &mut self,
9414// event: &gpui::platform::ModifiersChangedEvent,
9415// cx: &mut ViewContext<Self>,
9416// ) -> bool {
9417// let pending_selection = self.has_pending_selection();
9418
9419// if let Some(point) = &self.link_go_to_definition_state.last_trigger_point {
9420// if event.cmd && !pending_selection {
9421// let point = point.clone();
9422// let snapshot = self.snapshot(cx);
9423// let kind = point.definition_kind(event.shift);
9424
9425// show_link_definition(kind, self, point, snapshot, cx);
9426// return false;
9427// }
9428// }
9429
9430// {
9431// if self.link_go_to_definition_state.symbol_range.is_some()
9432// || !self.link_go_to_definition_state.definitions.is_empty()
9433// {
9434// self.link_go_to_definition_state.symbol_range.take();
9435// self.link_go_to_definition_state.definitions.clear();
9436// cx.notify();
9437// }
9438
9439// self.link_go_to_definition_state.task = None;
9440
9441// self.clear_highlights::<LinkGoToDefinitionState>(cx);
9442// }
9443
9444// false
9445// }
9446
9447// fn update_keymap_context(&self, keymap: &mut KeymapContext, cx: &AppContext) {
9448// Self::reset_to_default_keymap_context(keymap);
9449// let mode = match self.mode {
9450// EditorMode::SingleLine => "single_line",
9451// EditorMode::AutoHeight { .. } => "auto_height",
9452// EditorMode::Full => "full",
9453// };
9454// keymap.add_key("mode", mode);
9455// if self.pending_rename.is_some() {
9456// keymap.add_identifier("renaming");
9457// }
9458// if self.context_menu_visible() {
9459// match self.context_menu.read().as_ref() {
9460// Some(ContextMenu::Completions(_)) => {
9461// keymap.add_identifier("menu");
9462// keymap.add_identifier("showing_completions")
9463// }
9464// Some(ContextMenu::CodeActions(_)) => {
9465// keymap.add_identifier("menu");
9466// keymap.add_identifier("showing_code_actions")
9467// }
9468// None => {}
9469// }
9470// }
9471
9472// for layer in self.keymap_context_layers.values() {
9473// keymap.extend(layer);
9474// }
9475
9476// if let Some(extension) = self
9477// .buffer
9478// .read(cx)
9479// .as_singleton()
9480// .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
9481// {
9482// keymap.add_key("extension", extension.to_string());
9483// }
9484// }
9485
9486// fn text_for_range(&self, range_utf16: Range<usize>, cx: &AppContext) -> Option<String> {
9487// Some(
9488// self.buffer
9489// .read(cx)
9490// .read(cx)
9491// .text_for_range(OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end))
9492// .collect(),
9493// )
9494// }
9495
9496// fn selected_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
9497// // Prevent the IME menu from appearing when holding down an alphabetic key
9498// // while input is disabled.
9499// if !self.input_enabled {
9500// return None;
9501// }
9502
9503// let range = self.selections.newest::<OffsetUtf16>(cx).range();
9504// Some(range.start.0..range.end.0)
9505// }
9506
9507// fn marked_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
9508// let snapshot = self.buffer.read(cx).read(cx);
9509// let range = self.text_highlights::<InputComposition>(cx)?.1.get(0)?;
9510// Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
9511// }
9512
9513// fn unmark_text(&mut self, cx: &mut ViewContext<Self>) {
9514// self.clear_highlights::<InputComposition>(cx);
9515// self.ime_transaction.take();
9516// }
9517
9518// fn replace_text_in_range(
9519// &mut self,
9520// range_utf16: Option<Range<usize>>,
9521// text: &str,
9522// cx: &mut ViewContext<Self>,
9523// ) {
9524// if !self.input_enabled {
9525// cx.emit(Event::InputIgnored { text: text.into() });
9526// return;
9527// }
9528
9529// self.transact(cx, |this, cx| {
9530// let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
9531// let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
9532// Some(this.selection_replacement_ranges(range_utf16, cx))
9533// } else {
9534// this.marked_text_ranges(cx)
9535// };
9536
9537// let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
9538// let newest_selection_id = this.selections.newest_anchor().id;
9539// this.selections
9540// .all::<OffsetUtf16>(cx)
9541// .iter()
9542// .zip(ranges_to_replace.iter())
9543// .find_map(|(selection, range)| {
9544// if selection.id == newest_selection_id {
9545// Some(
9546// (range.start.0 as isize - selection.head().0 as isize)
9547// ..(range.end.0 as isize - selection.head().0 as isize),
9548// )
9549// } else {
9550// None
9551// }
9552// })
9553// });
9554
9555// cx.emit(Event::InputHandled {
9556// utf16_range_to_replace: range_to_replace,
9557// text: text.into(),
9558// });
9559
9560// if let Some(new_selected_ranges) = new_selected_ranges {
9561// this.change_selections(None, cx, |selections| {
9562// selections.select_ranges(new_selected_ranges)
9563// });
9564// }
9565
9566// this.handle_input(text, cx);
9567// });
9568
9569// if let Some(transaction) = self.ime_transaction {
9570// self.buffer.update(cx, |buffer, cx| {
9571// buffer.group_until_transaction(transaction, cx);
9572// });
9573// }
9574
9575// self.unmark_text(cx);
9576// }
9577
9578// fn replace_and_mark_text_in_range(
9579// &mut self,
9580// range_utf16: Option<Range<usize>>,
9581// text: &str,
9582// new_selected_range_utf16: Option<Range<usize>>,
9583// cx: &mut ViewContext<Self>,
9584// ) {
9585// if !self.input_enabled {
9586// cx.emit(Event::InputIgnored { text: text.into() });
9587// return;
9588// }
9589
9590// let transaction = self.transact(cx, |this, cx| {
9591// let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
9592// let snapshot = this.buffer.read(cx).read(cx);
9593// if let Some(relative_range_utf16) = range_utf16.as_ref() {
9594// for marked_range in &mut marked_ranges {
9595// marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
9596// marked_range.start.0 += relative_range_utf16.start;
9597// marked_range.start =
9598// snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
9599// marked_range.end =
9600// snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
9601// }
9602// }
9603// Some(marked_ranges)
9604// } else if let Some(range_utf16) = range_utf16 {
9605// let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
9606// Some(this.selection_replacement_ranges(range_utf16, cx))
9607// } else {
9608// None
9609// };
9610
9611// let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
9612// let newest_selection_id = this.selections.newest_anchor().id;
9613// this.selections
9614// .all::<OffsetUtf16>(cx)
9615// .iter()
9616// .zip(ranges_to_replace.iter())
9617// .find_map(|(selection, range)| {
9618// if selection.id == newest_selection_id {
9619// Some(
9620// (range.start.0 as isize - selection.head().0 as isize)
9621// ..(range.end.0 as isize - selection.head().0 as isize),
9622// )
9623// } else {
9624// None
9625// }
9626// })
9627// });
9628
9629// cx.emit(Event::InputHandled {
9630// utf16_range_to_replace: range_to_replace,
9631// text: text.into(),
9632// });
9633
9634// if let Some(ranges) = ranges_to_replace {
9635// this.change_selections(None, cx, |s| s.select_ranges(ranges));
9636// }
9637
9638// let marked_ranges = {
9639// let snapshot = this.buffer.read(cx).read(cx);
9640// this.selections
9641// .disjoint_anchors()
9642// .iter()
9643// .map(|selection| {
9644// selection.start.bias_left(&*snapshot)..selection.end.bias_right(&*snapshot)
9645// })
9646// .collect::<Vec<_>>()
9647// };
9648
9649// if text.is_empty() {
9650// this.unmark_text(cx);
9651// } else {
9652// this.highlight_text::<InputComposition>(
9653// marked_ranges.clone(),
9654// this.style(cx).composition_mark,
9655// cx,
9656// );
9657// }
9658
9659// this.handle_input(text, cx);
9660
9661// if let Some(new_selected_range) = new_selected_range_utf16 {
9662// let snapshot = this.buffer.read(cx).read(cx);
9663// let new_selected_ranges = marked_ranges
9664// .into_iter()
9665// .map(|marked_range| {
9666// let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
9667// let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
9668// let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
9669// snapshot.clip_offset_utf16(new_start, Bias::Left)
9670// ..snapshot.clip_offset_utf16(new_end, Bias::Right)
9671// })
9672// .collect::<Vec<_>>();
9673
9674// drop(snapshot);
9675// this.change_selections(None, cx, |selections| {
9676// selections.select_ranges(new_selected_ranges)
9677// });
9678// }
9679// });
9680
9681// self.ime_transaction = self.ime_transaction.or(transaction);
9682// if let Some(transaction) = self.ime_transaction {
9683// self.buffer.update(cx, |buffer, cx| {
9684// buffer.group_until_transaction(transaction, cx);
9685// });
9686// }
9687
9688// if self.text_highlights::<InputComposition>(cx).is_none() {
9689// self.ime_transaction.take();
9690// }
9691// }
9692// }
9693
9694// fn build_style(
9695// settings: &ThemeSettings,
9696// get_field_editor_theme: Option<&GetFieldEditorTheme>,
9697// override_text_style: Option<&OverrideTextStyle>,
9698// cx: &mut AppContext,
9699// ) -> EditorStyle {
9700// let font_cache = cx.font_cache();
9701// let line_height_scalar = settings.line_height();
9702// let theme_id = settings.theme.meta.id;
9703// let mut theme = settings.theme.editor.clone();
9704// let mut style = if let Some(get_field_editor_theme) = get_field_editor_theme {
9705// let field_editor_theme = get_field_editor_theme(&settings.theme);
9706// theme.text_color = field_editor_theme.text.color;
9707// theme.selection = field_editor_theme.selection;
9708// theme.background = field_editor_theme
9709// .container
9710// .background_color
9711// .unwrap_or_default();
9712// EditorStyle {
9713// text: field_editor_theme.text,
9714// placeholder_text: field_editor_theme.placeholder_text,
9715// line_height_scalar,
9716// theme,
9717// theme_id,
9718// }
9719// } else {
9720// todo!();
9721// // let font_family_id = settings.buffer_font_family;
9722// // let font_family_name = cx.font_cache().family_name(font_family_id).unwrap();
9723// // let font_properties = Default::default();
9724// // let font_id = font_cache
9725// // .select_font(font_family_id, &font_properties)
9726// // .unwrap();
9727// // let font_size = settings.buffer_font_size(cx);
9728// // EditorStyle {
9729// // text: TextStyle {
9730// // color: settings.theme.editor.text_color,
9731// // font_family_name,
9732// // font_family_id,
9733// // font_id,
9734// // font_size,
9735// // font_properties,
9736// // underline: Default::default(),
9737// // soft_wrap: false,
9738// // },
9739// // placeholder_text: None,
9740// // line_height_scalar,
9741// // theme,
9742// // theme_id,
9743// // }
9744// };
9745
9746// if let Some(highlight_style) = override_text_style.and_then(|build_style| build_style(&style)) {
9747// if let Some(highlighted) = style
9748// .text
9749// .clone()
9750// .highlight(highlight_style, font_cache)
9751// .log_err()
9752// {
9753// style.text = highlighted;
9754// }
9755// }
9756
9757// style
9758// }
9759
9760trait SelectionExt {
9761 fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize>;
9762 fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point>;
9763 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
9764 fn spanned_rows(&self, include_end_if_at_line_start: bool, map: &DisplaySnapshot)
9765 -> Range<u32>;
9766}
9767
9768impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
9769 fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point> {
9770 let start = self.start.to_point(buffer);
9771 let end = self.end.to_point(buffer);
9772 if self.reversed {
9773 end..start
9774 } else {
9775 start..end
9776 }
9777 }
9778
9779 fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize> {
9780 let start = self.start.to_offset(buffer);
9781 let end = self.end.to_offset(buffer);
9782 if self.reversed {
9783 end..start
9784 } else {
9785 start..end
9786 }
9787 }
9788
9789 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
9790 let start = self
9791 .start
9792 .to_point(&map.buffer_snapshot)
9793 .to_display_point(map);
9794 let end = self
9795 .end
9796 .to_point(&map.buffer_snapshot)
9797 .to_display_point(map);
9798 if self.reversed {
9799 end..start
9800 } else {
9801 start..end
9802 }
9803 }
9804
9805 fn spanned_rows(
9806 &self,
9807 include_end_if_at_line_start: bool,
9808 map: &DisplaySnapshot,
9809 ) -> Range<u32> {
9810 let start = self.start.to_point(&map.buffer_snapshot);
9811 let mut end = self.end.to_point(&map.buffer_snapshot);
9812 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
9813 end.row -= 1;
9814 }
9815
9816 let buffer_start = map.prev_line_boundary(start).0;
9817 let buffer_end = map.next_line_boundary(end).0;
9818 buffer_start.row..buffer_end.row + 1
9819 }
9820}
9821
9822impl<T: InvalidationRegion> InvalidationStack<T> {
9823 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
9824 where
9825 S: Clone + ToOffset,
9826 {
9827 while let Some(region) = self.last() {
9828 let all_selections_inside_invalidation_ranges =
9829 if selections.len() == region.ranges().len() {
9830 selections
9831 .iter()
9832 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
9833 .all(|(selection, invalidation_range)| {
9834 let head = selection.head().to_offset(buffer);
9835 invalidation_range.start <= head && invalidation_range.end >= head
9836 })
9837 } else {
9838 false
9839 };
9840
9841 if all_selections_inside_invalidation_ranges {
9842 break;
9843 } else {
9844 self.pop();
9845 }
9846 }
9847 }
9848}
9849
9850impl<T> Default for InvalidationStack<T> {
9851 fn default() -> Self {
9852 Self(Default::default())
9853 }
9854}
9855
9856impl<T> Deref for InvalidationStack<T> {
9857 type Target = Vec<T>;
9858
9859 fn deref(&self) -> &Self::Target {
9860 &self.0
9861 }
9862}
9863
9864impl<T> DerefMut for InvalidationStack<T> {
9865 fn deref_mut(&mut self) -> &mut Self::Target {
9866 &mut self.0
9867 }
9868}
9869
9870impl InvalidationRegion for SnippetState {
9871 fn ranges(&self) -> &[Range<Anchor>] {
9872 &self.ranges[self.active_index]
9873 }
9874}
9875
9876// impl Deref for EditorStyle {
9877// type Target = theme::Editor;
9878
9879// fn deref(&self) -> &Self::Target {
9880// &self.theme
9881// }
9882// }
9883
9884pub fn diagnostic_block_renderer(diagnostic: Diagnostic, is_valid: bool) -> RenderBlock {
9885 let mut highlighted_lines = Vec::new();
9886
9887 for (index, line) in diagnostic.message.lines().enumerate() {
9888 let line = match &diagnostic.source {
9889 Some(source) if index == 0 => {
9890 let source_highlight = Vec::from_iter(0..source.len());
9891 highlight_diagnostic_message(source_highlight, &format!("{source}: {line}"))
9892 }
9893
9894 _ => highlight_diagnostic_message(Vec::new(), line),
9895 };
9896 highlighted_lines.push(line);
9897 }
9898 let message = diagnostic.message;
9899 Arc::new(move |cx: &mut BlockContext| {
9900 todo!()
9901 // let message = message.clone();
9902 // let settings = ThemeSettings::get_global(cx);
9903 // let tooltip_style = settings.theme.tooltip.clone();
9904 // let theme = &settings.theme.editor;
9905 // let style = diagnostic_style(diagnostic.severity, is_valid, theme);
9906 // let font_size = (style.text_scale_factor * settings.buffer_font_size(cx)).round();
9907 // let anchor_x = cx.anchor_x;
9908 // enum BlockContextToolip {}
9909 // MouseEventHandler::new::<BlockContext, _>(cx.block_id, cx, |_, _| {
9910 // Flex::column()
9911 // .with_children(highlighted_lines.iter().map(|(line, highlights)| {
9912 // Label::new(
9913 // line.clone(),
9914 // style.message.clone().with_font_size(font_size),
9915 // )
9916 // .with_highlights(highlights.clone())
9917 // .contained()
9918 // .with_margin_left(anchor_x)
9919 // }))
9920 // .aligned()
9921 // .left()
9922 // .into_any()
9923 // })
9924 // .with_cursor_style(CursorStyle::PointingHand)
9925 // .on_click(MouseButton::Left, move |_, _, cx| {
9926 // cx.write_to_clipboard(ClipboardItem::new(message.clone()));
9927 // })
9928 // // We really need to rethink this ID system...
9929 // .with_tooltip::<BlockContextToolip>(
9930 // cx.block_id,
9931 // "Copy diagnostic message",
9932 // None,
9933 // tooltip_style,
9934 // cx,
9935 // )
9936 // .into_any()
9937 })
9938}
9939
9940pub fn highlight_diagnostic_message(
9941 initial_highlights: Vec<usize>,
9942 message: &str,
9943) -> (String, Vec<usize>) {
9944 let mut message_without_backticks = String::new();
9945 let mut prev_offset = 0;
9946 let mut inside_block = false;
9947 let mut highlights = initial_highlights;
9948 for (match_ix, (offset, _)) in message
9949 .match_indices('`')
9950 .chain([(message.len(), "")])
9951 .enumerate()
9952 {
9953 message_without_backticks.push_str(&message[prev_offset..offset]);
9954 if inside_block {
9955 highlights.extend(prev_offset - match_ix..offset - match_ix);
9956 }
9957
9958 inside_block = !inside_block;
9959 prev_offset = offset + 1;
9960 }
9961
9962 (message_without_backticks, highlights)
9963}
9964
9965pub fn diagnostic_style(severity: DiagnosticSeverity, valid: bool, theme: &ThemeVariant) -> Hsla {
9966 match (severity, valid) {
9967 (DiagnosticSeverity::ERROR, true) => theme.status().error,
9968 (DiagnosticSeverity::ERROR, false) => theme.status().error,
9969 (DiagnosticSeverity::WARNING, true) => theme.status().warning,
9970 (DiagnosticSeverity::WARNING, false) => theme.status().warning,
9971 (DiagnosticSeverity::INFORMATION, true) => theme.status().info,
9972 (DiagnosticSeverity::INFORMATION, false) => theme.status().info,
9973 (DiagnosticSeverity::HINT, true) => theme.status().info,
9974 (DiagnosticSeverity::HINT, false) => theme.status().info,
9975 _ => theme.status().ignored,
9976 }
9977}
9978
9979// pub fn combine_syntax_and_fuzzy_match_highlights(
9980// text: &str,
9981// default_style: HighlightStyle,
9982// syntax_ranges: impl Iterator<Item = (Range<usize>, HighlightStyle)>,
9983// match_indices: &[usize],
9984// ) -> Vec<(Range<usize>, HighlightStyle)> {
9985// let mut result = Vec::new();
9986// let mut match_indices = match_indices.iter().copied().peekable();
9987
9988// for (range, mut syntax_highlight) in syntax_ranges.chain([(usize::MAX..0, Default::default())])
9989// {
9990// syntax_highlight.weight = None;
9991
9992// // Add highlights for any fuzzy match characters before the next
9993// // syntax highlight range.
9994// while let Some(&match_index) = match_indices.peek() {
9995// if match_index >= range.start {
9996// break;
9997// }
9998// match_indices.next();
9999// let end_index = char_ix_after(match_index, text);
10000// let mut match_style = default_style;
10001// match_style.weight = Some(FontWeight::BOLD);
10002// result.push((match_index..end_index, match_style));
10003// }
10004
10005// if range.start == usize::MAX {
10006// break;
10007// }
10008
10009// // Add highlights for any fuzzy match characters within the
10010// // syntax highlight range.
10011// let mut offset = range.start;
10012// while let Some(&match_index) = match_indices.peek() {
10013// if match_index >= range.end {
10014// break;
10015// }
10016
10017// match_indices.next();
10018// if match_index > offset {
10019// result.push((offset..match_index, syntax_highlight));
10020// }
10021
10022// let mut end_index = char_ix_after(match_index, text);
10023// while let Some(&next_match_index) = match_indices.peek() {
10024// if next_match_index == end_index && next_match_index < range.end {
10025// end_index = char_ix_after(next_match_index, text);
10026// match_indices.next();
10027// } else {
10028// break;
10029// }
10030// }
10031
10032// let mut match_style = syntax_highlight;
10033// match_style.weight = Some(FontWeight::BOLD);
10034// result.push((match_index..end_index, match_style));
10035// offset = end_index;
10036// }
10037
10038// if offset < range.end {
10039// result.push((offset..range.end, syntax_highlight));
10040// }
10041// }
10042
10043// fn char_ix_after(ix: usize, text: &str) -> usize {
10044// ix + text[ix..].chars().next().unwrap().len_utf8()
10045// }
10046
10047// result
10048// }
10049
10050// pub fn styled_runs_for_code_label<'a>(
10051// label: &'a CodeLabel,
10052// syntax_theme: &'a theme::SyntaxTheme,
10053// ) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
10054// let fade_out = HighlightStyle {
10055// fade_out: Some(0.35),
10056// ..Default::default()
10057// };
10058
10059// let mut prev_end = label.filter_range.end;
10060// label
10061// .runs
10062// .iter()
10063// .enumerate()
10064// .flat_map(move |(ix, (range, highlight_id))| {
10065// let style = if let Some(style) = highlight_id.style(syntax_theme) {
10066// style
10067// } else {
10068// return Default::default();
10069// };
10070// let mut muted_style = style;
10071// muted_style.highlight(fade_out);
10072
10073// let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
10074// if range.start >= label.filter_range.end {
10075// if range.start > prev_end {
10076// runs.push((prev_end..range.start, fade_out));
10077// }
10078// runs.push((range.clone(), muted_style));
10079// } else if range.end <= label.filter_range.end {
10080// runs.push((range.clone(), style));
10081// } else {
10082// runs.push((range.start..label.filter_range.end, style));
10083// runs.push((label.filter_range.end..range.end, muted_style));
10084// }
10085// prev_end = cmp::max(prev_end, range.end);
10086
10087// if ix + 1 == label.runs.len() && label.text.len() > prev_end {
10088// runs.push((prev_end..label.text.len(), fade_out));
10089// }
10090
10091// runs
10092// })
10093
10094pub fn split_words<'a>(text: &'a str) -> impl std::iter::Iterator<Item = &'a str> + 'a {
10095 let mut index = 0;
10096 let mut codepoints = text.char_indices().peekable();
10097
10098 std::iter::from_fn(move || {
10099 let start_index = index;
10100 while let Some((new_index, codepoint)) = codepoints.next() {
10101 index = new_index + codepoint.len_utf8();
10102 let current_upper = codepoint.is_uppercase();
10103 let next_upper = codepoints
10104 .peek()
10105 .map(|(_, c)| c.is_uppercase())
10106 .unwrap_or(false);
10107
10108 if !current_upper && next_upper {
10109 return Some(&text[start_index..index]);
10110 }
10111 }
10112
10113 index = text.len();
10114 if start_index < text.len() {
10115 return Some(&text[start_index..]);
10116 }
10117 None
10118 })
10119 .flat_map(|word| word.split_inclusive('_'))
10120 .flat_map(|word| word.split_inclusive('-'))
10121}
10122
10123trait RangeToAnchorExt {
10124 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
10125}
10126
10127impl<T: ToOffset> RangeToAnchorExt for Range<T> {
10128 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
10129 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
10130 }
10131}