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::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 AnyElement, AppContext, BackgroundExecutor, Context, Element, EventEmitter, Hsla, Model,
40 Pixels, Render, Subscription, Task, TextStyle, View, ViewContext, WeakView, WindowContext,
41};
42use highlight_matching_bracket::refresh_matching_bracket_highlights;
43use hover_popover::{hide_hover, HoverState};
44use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
45pub use items::MAX_TAB_TITLE_LEN;
46use itertools::Itertools;
47pub use language::{char_kind, CharKind};
48use language::{
49 language_settings::{self, all_language_settings, InlayHintSettings},
50 AutoindentMode, BracketPair, Buffer, CodeAction, Completion, CursorShape, Diagnostic, Language,
51 LanguageRegistry, OffsetRangeExt, Point, Selection, SelectionGoal, TransactionId,
52};
53use link_go_to_definition::{InlayHighlight, LinkGoToDefinitionState};
54use lsp::{Documentation, LanguageServerId};
55pub use multi_buffer::{
56 Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
57 ToPoint,
58};
59use ordered_float::OrderedFloat;
60use parking_lot::RwLock;
61use project::{FormatTrigger, Project};
62use rpc::proto::*;
63use scroll::{
64 autoscroll::Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide,
65};
66use selections_collection::{MutableSelectionsCollection, SelectionsCollection};
67use serde::{Deserialize, Serialize};
68use settings::{Settings, SettingsStore};
69use std::{
70 any::TypeId,
71 cmp::{self, Reverse},
72 ops::{ControlFlow, Deref, DerefMut, Range},
73 path::Path,
74 sync::Arc,
75 time::{Duration, Instant},
76};
77pub use sum_tree::Bias;
78use sum_tree::TreeMap;
79use text::Rope;
80use theme::ThemeColors;
81use util::{post_inc, RangeExt, ResultExt, TryFutureExt};
82use workspace::{ItemNavHistory, ViewId, Workspace};
83
84const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
85const MAX_LINE_LEN: usize = 1024;
86const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;
87const MAX_SELECTION_HISTORY_LEN: usize = 1024;
88const COPILOT_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
89pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
90pub const DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
91
92pub const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
93
94// pub fn render_parsed_markdown<Tag: 'static>(
95// parsed: &language::ParsedMarkdown,
96// editor_style: &EditorStyle,
97// workspace: Option<WeakView<Workspace>>,
98// cx: &mut ViewContext<Editor>,
99// ) -> Text {
100// enum RenderedMarkdown {}
101
102// let parsed = parsed.clone();
103// let view_id = cx.view_id();
104// let code_span_background_color = editor_style.document_highlight_read_background;
105
106// let mut region_id = 0;
107
108// todo!()
109// // Text::new(parsed.text, editor_style.text.clone())
110// // .with_highlights(
111// // parsed
112// // .highlights
113// // .iter()
114// // .filter_map(|(range, highlight)| {
115// // let highlight = highlight.to_highlight_style(&editor_style.syntax)?;
116// // Some((range.clone(), highlight))
117// // })
118// // .collect::<Vec<_>>(),
119// // )
120// // .with_custom_runs(parsed.region_ranges, move |ix, bounds, cx| {
121// // region_id += 1;
122// // let region = parsed.regions[ix].clone();
123
124// // if let Some(link) = region.link {
125// // cx.scene().push_cursor_region(CursorRegion {
126// // bounds,
127// // style: CursorStyle::PointingHand,
128// // });
129// // cx.scene().push_mouse_region(
130// // MouseRegion::new::<(RenderedMarkdown, Tag)>(view_id, region_id, bounds)
131// // .on_down::<Editor, _>(MouseButton::Left, move |_, _, cx| match &link {
132// // markdown::Link::Web { url } => cx.platform().open_url(url),
133// // markdown::Link::Path { path } => {
134// // if let Some(workspace) = &workspace {
135// // _ = workspace.update(cx, |workspace, cx| {
136// // workspace.open_abs_path(path.clone(), false, cx).detach();
137// // });
138// // }
139// // }
140// // }),
141// // );
142// // }
143
144// // if region.code {
145// // cx.draw_quad(Quad {
146// // bounds,
147// // background: Some(code_span_background_color),
148// // corner_radii: (2.0).into(),
149// // order: todo!(),
150// // content_mask: todo!(),
151// // border_color: todo!(),
152// // border_widths: todo!(),
153// // });
154// // }
155// // })
156// // .with_soft_wrap(true)
157// }
158
159#[derive(Clone, Deserialize, PartialEq, Default)]
160pub struct SelectNext {
161 #[serde(default)]
162 pub replace_newest: bool,
163}
164
165#[derive(Clone, Deserialize, PartialEq, Default)]
166pub struct SelectPrevious {
167 #[serde(default)]
168 pub replace_newest: bool,
169}
170
171#[derive(Clone, Deserialize, PartialEq, Default)]
172pub struct SelectAllMatches {
173 #[serde(default)]
174 pub replace_newest: bool,
175}
176
177#[derive(Clone, Deserialize, PartialEq)]
178pub struct SelectToBeginningOfLine {
179 #[serde(default)]
180 stop_at_soft_wraps: bool,
181}
182
183#[derive(Clone, Default, Deserialize, PartialEq)]
184pub struct MovePageUp {
185 #[serde(default)]
186 center_cursor: bool,
187}
188
189#[derive(Clone, Default, Deserialize, PartialEq)]
190pub struct MovePageDown {
191 #[serde(default)]
192 center_cursor: bool,
193}
194
195#[derive(Clone, Deserialize, PartialEq)]
196pub struct SelectToEndOfLine {
197 #[serde(default)]
198 stop_at_soft_wraps: bool,
199}
200
201#[derive(Clone, Deserialize, PartialEq)]
202pub struct ToggleCodeActions {
203 #[serde(default)]
204 pub deployed_from_indicator: bool,
205}
206
207#[derive(Clone, Default, Deserialize, PartialEq)]
208pub struct ConfirmCompletion {
209 #[serde(default)]
210 pub item_ix: Option<usize>,
211}
212
213#[derive(Clone, Default, Deserialize, PartialEq)]
214pub struct ConfirmCodeAction {
215 #[serde(default)]
216 pub item_ix: Option<usize>,
217}
218
219#[derive(Clone, Default, Deserialize, PartialEq)]
220pub struct ToggleComments {
221 #[serde(default)]
222 pub advance_downwards: bool,
223}
224
225#[derive(Clone, Default, Deserialize, PartialEq)]
226pub struct FoldAt {
227 pub buffer_row: u32,
228}
229
230#[derive(Clone, Default, Deserialize, PartialEq)]
231pub struct UnfoldAt {
232 pub buffer_row: u32,
233}
234
235#[derive(Clone, Default, Deserialize, PartialEq)]
236pub struct GutterHover {
237 pub hovered: bool,
238}
239
240#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
241pub enum InlayId {
242 Suggestion(usize),
243 Hint(usize),
244}
245
246impl InlayId {
247 fn id(&self) -> usize {
248 match self {
249 Self::Suggestion(id) => *id,
250 Self::Hint(id) => *id,
251 }
252 }
253}
254
255// actions!(
256// editor,
257// [
258// Cancel,
259// Backspace,
260// Delete,
261// Newline,
262// NewlineAbove,
263// NewlineBelow,
264// GoToDiagnostic,
265// GoToPrevDiagnostic,
266// GoToHunk,
267// GoToPrevHunk,
268// Indent,
269// Outdent,
270// DeleteLine,
271// DeleteToPreviousWordStart,
272// DeleteToPreviousSubwordStart,
273// DeleteToNextWordEnd,
274// DeleteToNextSubwordEnd,
275// DeleteToBeginningOfLine,
276// DeleteToEndOfLine,
277// CutToEndOfLine,
278// DuplicateLine,
279// MoveLineUp,
280// MoveLineDown,
281// JoinLines,
282// SortLinesCaseSensitive,
283// SortLinesCaseInsensitive,
284// ReverseLines,
285// ShuffleLines,
286// ConvertToUpperCase,
287// ConvertToLowerCase,
288// ConvertToTitleCase,
289// ConvertToSnakeCase,
290// ConvertToKebabCase,
291// ConvertToUpperCamelCase,
292// ConvertToLowerCamelCase,
293// Transpose,
294// Cut,
295// Copy,
296// Paste,
297// Undo,
298// Redo,
299// MoveUp,
300// PageUp,
301// MoveDown,
302// PageDown,
303// MoveLeft,
304// MoveRight,
305// MoveToPreviousWordStart,
306// MoveToPreviousSubwordStart,
307// MoveToNextWordEnd,
308// MoveToNextSubwordEnd,
309// MoveToBeginningOfLine,
310// MoveToEndOfLine,
311// MoveToStartOfParagraph,
312// MoveToEndOfParagraph,
313// MoveToBeginning,
314// MoveToEnd,
315// SelectUp,
316// SelectDown,
317// SelectLeft,
318// SelectRight,
319// SelectToPreviousWordStart,
320// SelectToPreviousSubwordStart,
321// SelectToNextWordEnd,
322// SelectToNextSubwordEnd,
323// SelectToStartOfParagraph,
324// SelectToEndOfParagraph,
325// SelectToBeginning,
326// SelectToEnd,
327// SelectAll,
328// SelectLine,
329// SplitSelectionIntoLines,
330// AddSelectionAbove,
331// AddSelectionBelow,
332// Tab,
333// TabPrev,
334// ShowCharacterPalette,
335// SelectLargerSyntaxNode,
336// SelectSmallerSyntaxNode,
337// GoToDefinition,
338// GoToDefinitionSplit,
339// GoToTypeDefinition,
340// GoToTypeDefinitionSplit,
341// MoveToEnclosingBracket,
342// UndoSelection,
343// RedoSelection,
344// FindAllReferences,
345// Rename,
346// ConfirmRename,
347// Fold,
348// UnfoldLines,
349// FoldSelectedRanges,
350// ShowCompletions,
351// OpenExcerpts,
352// RestartLanguageServer,
353// Hover,
354// Format,
355// ToggleSoftWrap,
356// ToggleInlayHints,
357// RevealInFinder,
358// CopyPath,
359// CopyRelativePath,
360// CopyHighlightJson,
361// ContextMenuFirst,
362// ContextMenuPrev,
363// ContextMenuNext,
364// ContextMenuLast,
365// ]
366// );
367
368// impl_actions!(
369// editor,
370// [
371// SelectNext,
372// SelectPrevious,
373// SelectAllMatches,
374// SelectToBeginningOfLine,
375// SelectToEndOfLine,
376// ToggleCodeActions,
377// MovePageUp,
378// MovePageDown,
379// ConfirmCompletion,
380// ConfirmCodeAction,
381// ToggleComments,
382// FoldAt,
383// UnfoldAt,
384// GutterHover
385// ]
386// );
387
388// todo!(revisit these actions)
389pub struct ShowCompletions;
390pub struct Rename;
391
392enum DocumentHighlightRead {}
393enum DocumentHighlightWrite {}
394enum InputComposition {}
395
396#[derive(Copy, Clone, PartialEq, Eq)]
397pub enum Direction {
398 Prev,
399 Next,
400}
401
402pub fn init_settings(cx: &mut AppContext) {
403 EditorSettings::register(cx);
404}
405
406pub fn init(cx: &mut AppContext) {
407 init_settings(cx);
408 // cx.add_action(Editor::new_file);
409 // cx.add_action(Editor::new_file_in_direction);
410 // cx.add_action(Editor::cancel);
411 // cx.add_action(Editor::newline);
412 // cx.add_action(Editor::newline_above);
413 // cx.add_action(Editor::newline_below);
414 // cx.add_action(Editor::backspace);
415 // cx.add_action(Editor::delete);
416 // cx.add_action(Editor::tab);
417 // cx.add_action(Editor::tab_prev);
418 // cx.add_action(Editor::indent);
419 // cx.add_action(Editor::outdent);
420 // cx.add_action(Editor::delete_line);
421 // cx.add_action(Editor::join_lines);
422 // cx.add_action(Editor::sort_lines_case_sensitive);
423 // cx.add_action(Editor::sort_lines_case_insensitive);
424 // cx.add_action(Editor::reverse_lines);
425 // cx.add_action(Editor::shuffle_lines);
426 // cx.add_action(Editor::convert_to_upper_case);
427 // cx.add_action(Editor::convert_to_lower_case);
428 // cx.add_action(Editor::convert_to_title_case);
429 // cx.add_action(Editor::convert_to_snake_case);
430 // cx.add_action(Editor::convert_to_kebab_case);
431 // cx.add_action(Editor::convert_to_upper_camel_case);
432 // cx.add_action(Editor::convert_to_lower_camel_case);
433 // cx.add_action(Editor::delete_to_previous_word_start);
434 // cx.add_action(Editor::delete_to_previous_subword_start);
435 // cx.add_action(Editor::delete_to_next_word_end);
436 // cx.add_action(Editor::delete_to_next_subword_end);
437 // cx.add_action(Editor::delete_to_beginning_of_line);
438 // cx.add_action(Editor::delete_to_end_of_line);
439 // cx.add_action(Editor::cut_to_end_of_line);
440 // cx.add_action(Editor::duplicate_line);
441 // cx.add_action(Editor::move_line_up);
442 // cx.add_action(Editor::move_line_down);
443 // cx.add_action(Editor::transpose);
444 // cx.add_action(Editor::cut);
445 // cx.add_action(Editor::copy);
446 // cx.add_action(Editor::paste);
447 // cx.add_action(Editor::undo);
448 // cx.add_action(Editor::redo);
449 // cx.add_action(Editor::move_up);
450 // cx.add_action(Editor::move_page_up);
451 // cx.add_action(Editor::move_down);
452 // cx.add_action(Editor::move_page_down);
453 // cx.add_action(Editor::next_screen);
454 // cx.add_action(Editor::move_left);
455 // cx.add_action(Editor::move_right);
456 // cx.add_action(Editor::move_to_previous_word_start);
457 // cx.add_action(Editor::move_to_previous_subword_start);
458 // cx.add_action(Editor::move_to_next_word_end);
459 // cx.add_action(Editor::move_to_next_subword_end);
460 // cx.add_action(Editor::move_to_beginning_of_line);
461 // cx.add_action(Editor::move_to_end_of_line);
462 // cx.add_action(Editor::move_to_start_of_paragraph);
463 // cx.add_action(Editor::move_to_end_of_paragraph);
464 // cx.add_action(Editor::move_to_beginning);
465 // cx.add_action(Editor::move_to_end);
466 // cx.add_action(Editor::select_up);
467 // cx.add_action(Editor::select_down);
468 // cx.add_action(Editor::select_left);
469 // cx.add_action(Editor::select_right);
470 // cx.add_action(Editor::select_to_previous_word_start);
471 // cx.add_action(Editor::select_to_previous_subword_start);
472 // cx.add_action(Editor::select_to_next_word_end);
473 // cx.add_action(Editor::select_to_next_subword_end);
474 // cx.add_action(Editor::select_to_beginning_of_line);
475 // cx.add_action(Editor::select_to_end_of_line);
476 // cx.add_action(Editor::select_to_start_of_paragraph);
477 // cx.add_action(Editor::select_to_end_of_paragraph);
478 // cx.add_action(Editor::select_to_beginning);
479 // cx.add_action(Editor::select_to_end);
480 // cx.add_action(Editor::select_all);
481 // cx.add_action(Editor::select_all_matches);
482 // cx.add_action(Editor::select_line);
483 // cx.add_action(Editor::split_selection_into_lines);
484 // cx.add_action(Editor::add_selection_above);
485 // cx.add_action(Editor::add_selection_below);
486 // cx.add_action(Editor::select_next);
487 // cx.add_action(Editor::select_previous);
488 // cx.add_action(Editor::toggle_comments);
489 // cx.add_action(Editor::select_larger_syntax_node);
490 // cx.add_action(Editor::select_smaller_syntax_node);
491 // cx.add_action(Editor::move_to_enclosing_bracket);
492 // cx.add_action(Editor::undo_selection);
493 // cx.add_action(Editor::redo_selection);
494 // cx.add_action(Editor::go_to_diagnostic);
495 // cx.add_action(Editor::go_to_prev_diagnostic);
496 // cx.add_action(Editor::go_to_hunk);
497 // cx.add_action(Editor::go_to_prev_hunk);
498 // cx.add_action(Editor::go_to_definition);
499 // cx.add_action(Editor::go_to_definition_split);
500 // cx.add_action(Editor::go_to_type_definition);
501 // cx.add_action(Editor::go_to_type_definition_split);
502 // cx.add_action(Editor::fold);
503 // cx.add_action(Editor::fold_at);
504 // cx.add_action(Editor::unfold_lines);
505 // cx.add_action(Editor::unfold_at);
506 // cx.add_action(Editor::gutter_hover);
507 // cx.add_action(Editor::fold_selected_ranges);
508 // cx.add_action(Editor::show_completions);
509 // cx.add_action(Editor::toggle_code_actions);
510 // cx.add_action(Editor::open_excerpts);
511 // cx.add_action(Editor::toggle_soft_wrap);
512 // cx.add_action(Editor::toggle_inlay_hints);
513 // cx.add_action(Editor::reveal_in_finder);
514 // cx.add_action(Editor::copy_path);
515 // cx.add_action(Editor::copy_relative_path);
516 // cx.add_action(Editor::copy_highlight_json);
517 // cx.add_async_action(Editor::format);
518 // cx.add_action(Editor::restart_language_server);
519 // cx.add_action(Editor::show_character_palette);
520 // cx.add_async_action(Editor::confirm_completion);
521 // cx.add_async_action(Editor::confirm_code_action);
522 // cx.add_async_action(Editor::rename);
523 // cx.add_async_action(Editor::confirm_rename);
524 // cx.add_async_action(Editor::find_all_references);
525 // cx.add_action(Editor::next_copilot_suggestion);
526 // cx.add_action(Editor::previous_copilot_suggestion);
527 // cx.add_action(Editor::copilot_suggest);
528 // cx.add_action(Editor::context_menu_first);
529 // cx.add_action(Editor::context_menu_prev);
530 // cx.add_action(Editor::context_menu_next);
531 // cx.add_action(Editor::context_menu_last);
532
533 hover_popover::init(cx);
534 scroll::actions::init(cx);
535
536 workspace::register_project_item::<Editor>(cx);
537 workspace::register_followable_item::<Editor>(cx);
538 workspace::register_deserializable_item::<Editor>(cx);
539}
540
541trait InvalidationRegion {
542 fn ranges(&self) -> &[Range<Anchor>];
543}
544
545#[derive(Clone, Debug, PartialEq)]
546pub enum SelectPhase {
547 Begin {
548 position: DisplayPoint,
549 add: bool,
550 click_count: usize,
551 },
552 BeginColumnar {
553 position: DisplayPoint,
554 goal_column: u32,
555 },
556 Extend {
557 position: DisplayPoint,
558 click_count: usize,
559 },
560 Update {
561 position: DisplayPoint,
562 goal_column: u32,
563 scroll_position: gpui::Point<Pixels>,
564 },
565 End,
566}
567
568#[derive(Clone, Debug)]
569pub enum SelectMode {
570 Character,
571 Word(Range<Anchor>),
572 Line(Range<Anchor>),
573 All,
574}
575
576#[derive(Copy, Clone, PartialEq, Eq, Debug)]
577pub enum EditorMode {
578 SingleLine,
579 AutoHeight { max_lines: usize },
580 Full,
581}
582
583#[derive(Clone, Debug)]
584pub enum SoftWrap {
585 None,
586 EditorWidth,
587 Column(u32),
588}
589
590#[derive(Clone)]
591pub struct EditorStyle {
592 pub text: TextStyle,
593 pub line_height_scalar: f32,
594 // pub placeholder_text: Option<TextStyle>,
595 // pub theme: theme::Editor,
596 pub theme_id: usize,
597}
598
599type CompletionId = usize;
600
601// type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;
602// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>;
603
604type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<Range<Anchor>>);
605type InlayBackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<InlayHighlight>);
606
607pub struct Editor {
608 handle: WeakView<Self>,
609 buffer: Model<MultiBuffer>,
610 display_map: Model<DisplayMap>,
611 pub selections: SelectionsCollection,
612 pub scroll_manager: ScrollManager,
613 columnar_selection_tail: Option<Anchor>,
614 add_selections_state: Option<AddSelectionsState>,
615 select_next_state: Option<SelectNextState>,
616 select_prev_state: Option<SelectNextState>,
617 selection_history: SelectionHistory,
618 autoclose_regions: Vec<AutocloseRegion>,
619 snippet_stack: InvalidationStack<SnippetState>,
620 select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
621 ime_transaction: Option<TransactionId>,
622 active_diagnostics: Option<ActiveDiagnosticGroup>,
623 soft_wrap_mode_override: Option<language_settings::SoftWrap>,
624 // get_field_editor_theme: Option<Arc<GetFieldEditorTheme>>,
625 // override_text_style: Option<Box<OverrideTextStyle>>,
626 project: Option<Model<Project>>,
627 collaboration_hub: Option<Box<dyn CollaborationHub>>,
628 focused: bool,
629 blink_manager: Model<BlinkManager>,
630 pub show_local_selections: bool,
631 mode: EditorMode,
632 show_gutter: bool,
633 show_wrap_guides: Option<bool>,
634 placeholder_text: Option<Arc<str>>,
635 highlighted_rows: Option<Range<u32>>,
636 background_highlights: BTreeMap<TypeId, BackgroundHighlight>,
637 inlay_background_highlights: TreeMap<Option<TypeId>, InlayBackgroundHighlight>,
638 nav_history: Option<ItemNavHistory>,
639 context_menu: RwLock<Option<ContextMenu>>,
640 // mouse_context_menu: View<context_menu::ContextMenu>,
641 completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
642 next_completion_id: CompletionId,
643 available_code_actions: Option<(Model<Buffer>, Arc<[CodeAction]>)>,
644 code_actions_task: Option<Task<()>>,
645 document_highlights_task: Option<Task<()>>,
646 pending_rename: Option<RenameState>,
647 searchable: bool,
648 cursor_shape: CursorShape,
649 collapse_matches: bool,
650 autoindent_mode: Option<AutoindentMode>,
651 workspace: Option<(WeakView<Workspace>, i64)>,
652 // keymap_context_layers: BTreeMap<TypeId, KeymapContext>,
653 input_enabled: bool,
654 read_only: bool,
655 leader_peer_id: Option<PeerId>,
656 remote_id: Option<ViewId>,
657 hover_state: HoverState,
658 gutter_hovered: bool,
659 link_go_to_definition_state: LinkGoToDefinitionState,
660 copilot_state: CopilotState,
661 inlay_hint_cache: InlayHintCache,
662 next_inlay_id: usize,
663 _subscriptions: Vec<Subscription>,
664 pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
665}
666
667pub struct EditorSnapshot {
668 pub mode: EditorMode,
669 pub show_gutter: bool,
670 pub display_snapshot: DisplaySnapshot,
671 pub placeholder_text: Option<Arc<str>>,
672 is_focused: bool,
673 scroll_anchor: ScrollAnchor,
674 ongoing_scroll: OngoingScroll,
675}
676
677pub struct RemoteSelection {
678 pub replica_id: ReplicaId,
679 pub selection: Selection<Anchor>,
680 pub cursor_shape: CursorShape,
681 pub peer_id: PeerId,
682 pub line_mode: bool,
683 pub participant_index: Option<ParticipantIndex>,
684}
685
686#[derive(Clone, Debug)]
687struct SelectionHistoryEntry {
688 selections: Arc<[Selection<Anchor>]>,
689 select_next_state: Option<SelectNextState>,
690 select_prev_state: Option<SelectNextState>,
691 add_selections_state: Option<AddSelectionsState>,
692}
693
694enum SelectionHistoryMode {
695 Normal,
696 Undoing,
697 Redoing,
698}
699
700impl Default for SelectionHistoryMode {
701 fn default() -> Self {
702 Self::Normal
703 }
704}
705
706#[derive(Default)]
707struct SelectionHistory {
708 #[allow(clippy::type_complexity)]
709 selections_by_transaction:
710 HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
711 mode: SelectionHistoryMode,
712 undo_stack: VecDeque<SelectionHistoryEntry>,
713 redo_stack: VecDeque<SelectionHistoryEntry>,
714}
715
716impl SelectionHistory {
717 fn insert_transaction(
718 &mut self,
719 transaction_id: TransactionId,
720 selections: Arc<[Selection<Anchor>]>,
721 ) {
722 self.selections_by_transaction
723 .insert(transaction_id, (selections, None));
724 }
725
726 #[allow(clippy::type_complexity)]
727 fn transaction(
728 &self,
729 transaction_id: TransactionId,
730 ) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
731 self.selections_by_transaction.get(&transaction_id)
732 }
733
734 #[allow(clippy::type_complexity)]
735 fn transaction_mut(
736 &mut self,
737 transaction_id: TransactionId,
738 ) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
739 self.selections_by_transaction.get_mut(&transaction_id)
740 }
741
742 fn push(&mut self, entry: SelectionHistoryEntry) {
743 if !entry.selections.is_empty() {
744 match self.mode {
745 SelectionHistoryMode::Normal => {
746 self.push_undo(entry);
747 self.redo_stack.clear();
748 }
749 SelectionHistoryMode::Undoing => self.push_redo(entry),
750 SelectionHistoryMode::Redoing => self.push_undo(entry),
751 }
752 }
753 }
754
755 fn push_undo(&mut self, entry: SelectionHistoryEntry) {
756 if self
757 .undo_stack
758 .back()
759 .map_or(true, |e| e.selections != entry.selections)
760 {
761 self.undo_stack.push_back(entry);
762 if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
763 self.undo_stack.pop_front();
764 }
765 }
766 }
767
768 fn push_redo(&mut self, entry: SelectionHistoryEntry) {
769 if self
770 .redo_stack
771 .back()
772 .map_or(true, |e| e.selections != entry.selections)
773 {
774 self.redo_stack.push_back(entry);
775 if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
776 self.redo_stack.pop_front();
777 }
778 }
779 }
780}
781
782#[derive(Clone, Debug)]
783struct AddSelectionsState {
784 above: bool,
785 stack: Vec<usize>,
786}
787
788#[derive(Clone)]
789struct SelectNextState {
790 query: AhoCorasick,
791 wordwise: bool,
792 done: bool,
793}
794
795impl std::fmt::Debug for SelectNextState {
796 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
797 f.debug_struct(std::any::type_name::<Self>())
798 .field("wordwise", &self.wordwise)
799 .field("done", &self.done)
800 .finish()
801 }
802}
803
804#[derive(Debug)]
805struct AutocloseRegion {
806 selection_id: usize,
807 range: Range<Anchor>,
808 pair: BracketPair,
809}
810
811#[derive(Debug)]
812struct SnippetState {
813 ranges: Vec<Vec<Range<Anchor>>>,
814 active_index: usize,
815}
816
817pub struct RenameState {
818 pub range: Range<Anchor>,
819 pub old_name: Arc<str>,
820 pub editor: View<Editor>,
821 block_id: BlockId,
822}
823
824struct InvalidationStack<T>(Vec<T>);
825
826enum ContextMenu {
827 Completions(CompletionsMenu),
828 CodeActions(CodeActionsMenu),
829}
830
831impl ContextMenu {
832 fn select_first(
833 &mut self,
834 project: Option<&Model<Project>>,
835 cx: &mut ViewContext<Editor>,
836 ) -> bool {
837 if self.visible() {
838 match self {
839 ContextMenu::Completions(menu) => menu.select_first(project, cx),
840 ContextMenu::CodeActions(menu) => menu.select_first(cx),
841 }
842 true
843 } else {
844 false
845 }
846 }
847
848 fn select_prev(
849 &mut self,
850 project: Option<&Model<Project>>,
851 cx: &mut ViewContext<Editor>,
852 ) -> bool {
853 if self.visible() {
854 match self {
855 ContextMenu::Completions(menu) => menu.select_prev(project, cx),
856 ContextMenu::CodeActions(menu) => menu.select_prev(cx),
857 }
858 true
859 } else {
860 false
861 }
862 }
863
864 fn select_next(
865 &mut self,
866 project: Option<&Model<Project>>,
867 cx: &mut ViewContext<Editor>,
868 ) -> bool {
869 if self.visible() {
870 match self {
871 ContextMenu::Completions(menu) => menu.select_next(project, cx),
872 ContextMenu::CodeActions(menu) => menu.select_next(cx),
873 }
874 true
875 } else {
876 false
877 }
878 }
879
880 fn select_last(
881 &mut self,
882 project: Option<&Model<Project>>,
883 cx: &mut ViewContext<Editor>,
884 ) -> bool {
885 if self.visible() {
886 match self {
887 ContextMenu::Completions(menu) => menu.select_last(project, cx),
888 ContextMenu::CodeActions(menu) => menu.select_last(cx),
889 }
890 true
891 } else {
892 false
893 }
894 }
895
896 fn visible(&self) -> bool {
897 match self {
898 ContextMenu::Completions(menu) => menu.visible(),
899 ContextMenu::CodeActions(menu) => menu.visible(),
900 }
901 }
902
903 fn render(
904 &self,
905 cursor_position: DisplayPoint,
906 style: EditorStyle,
907 workspace: Option<WeakView<Workspace>>,
908 cx: &mut ViewContext<Editor>,
909 ) -> (DisplayPoint, AnyElement<Editor>) {
910 todo!()
911 // match self {
912 // ContextMenu::Completions(menu) => (cursor_position, menu.render(style, workspace, cx)),
913 // ContextMenu::CodeActions(menu) => menu.render(cursor_position, style, cx),
914 // }
915 }
916}
917
918#[derive(Clone)]
919struct CompletionsMenu {
920 id: CompletionId,
921 initial_position: Anchor,
922 buffer: Model<Buffer>,
923 completions: Arc<RwLock<Box<[Completion]>>>,
924 match_candidates: Arc<[StringMatchCandidate]>,
925 matches: Arc<[StringMatch]>,
926 selected_item: usize,
927 list: UniformListState,
928}
929
930// todo!(this is fake)
931#[derive(Clone, Default)]
932struct UniformListState;
933
934// todo!(this is fake)
935impl UniformListState {
936 pub fn scroll_to(&mut self, target: ScrollTarget) {}
937}
938
939// todo!(this is somewhat fake)
940#[derive(Debug)]
941pub enum ScrollTarget {
942 Show(usize),
943 Center(usize),
944}
945
946impl CompletionsMenu {
947 fn select_first(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
948 self.selected_item = 0;
949 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
950 self.attempt_resolve_selected_completion_documentation(project, cx);
951 cx.notify();
952 }
953
954 fn select_prev(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
955 if self.selected_item > 0 {
956 self.selected_item -= 1;
957 } else {
958 self.selected_item = self.matches.len() - 1;
959 }
960 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
961 self.attempt_resolve_selected_completion_documentation(project, cx);
962 cx.notify();
963 }
964
965 fn select_next(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
966 if self.selected_item + 1 < self.matches.len() {
967 self.selected_item += 1;
968 } else {
969 self.selected_item = 0;
970 }
971 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
972 self.attempt_resolve_selected_completion_documentation(project, cx);
973 cx.notify();
974 }
975
976 fn select_last(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
977 self.selected_item = self.matches.len() - 1;
978 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
979 self.attempt_resolve_selected_completion_documentation(project, cx);
980 cx.notify();
981 }
982
983 fn pre_resolve_completion_documentation(
984 &self,
985 project: Option<Model<Project>>,
986 cx: &mut ViewContext<Editor>,
987 ) {
988 todo!("implementation below ");
989 }
990 // ) {
991 // let settings = EditorSettings::get_global(cx);
992 // if !settings.show_completion_documentation {
993 // return;
994 // }
995
996 // let Some(project) = project else {
997 // return;
998 // };
999 // let client = project.read(cx).client();
1000 // let language_registry = project.read(cx).languages().clone();
1001
1002 // let is_remote = project.read(cx).is_remote();
1003 // let project_id = project.read(cx).remote_id();
1004
1005 // let completions = self.completions.clone();
1006 // let completion_indices: Vec<_> = self.matches.iter().map(|m| m.candidate_id).collect();
1007
1008 // cx.spawn(move |this, mut cx| async move {
1009 // if is_remote {
1010 // let Some(project_id) = project_id else {
1011 // log::error!("Remote project without remote_id");
1012 // return;
1013 // };
1014
1015 // for completion_index in completion_indices {
1016 // let completions_guard = completions.read();
1017 // let completion = &completions_guard[completion_index];
1018 // if completion.documentation.is_some() {
1019 // continue;
1020 // }
1021
1022 // let server_id = completion.server_id;
1023 // let completion = completion.lsp_completion.clone();
1024 // drop(completions_guard);
1025
1026 // Self::resolve_completion_documentation_remote(
1027 // project_id,
1028 // server_id,
1029 // completions.clone(),
1030 // completion_index,
1031 // completion,
1032 // client.clone(),
1033 // language_registry.clone(),
1034 // )
1035 // .await;
1036
1037 // _ = this.update(&mut cx, |_, cx| cx.notify());
1038 // }
1039 // } else {
1040 // for completion_index in completion_indices {
1041 // let completions_guard = completions.read();
1042 // let completion = &completions_guard[completion_index];
1043 // if completion.documentation.is_some() {
1044 // continue;
1045 // }
1046
1047 // let server_id = completion.server_id;
1048 // let completion = completion.lsp_completion.clone();
1049 // drop(completions_guard);
1050
1051 // let server = project.read_with(&mut cx, |project, _| {
1052 // project.language_server_for_id(server_id)
1053 // });
1054 // let Some(server) = server else {
1055 // return;
1056 // };
1057
1058 // Self::resolve_completion_documentation_local(
1059 // server,
1060 // completions.clone(),
1061 // completion_index,
1062 // completion,
1063 // language_registry.clone(),
1064 // )
1065 // .await;
1066
1067 // _ = this.update(&mut cx, |_, cx| cx.notify());
1068 // }
1069 // }
1070 // })
1071 // .detach();
1072 // }
1073
1074 fn attempt_resolve_selected_completion_documentation(
1075 &mut self,
1076 project: Option<&Model<Project>>,
1077 cx: &mut ViewContext<Editor>,
1078 ) {
1079 let settings = EditorSettings::get_global(cx);
1080 if !settings.show_completion_documentation {
1081 return;
1082 }
1083
1084 let completion_index = self.matches[self.selected_item].candidate_id;
1085 let Some(project) = project else {
1086 return;
1087 };
1088 let language_registry = project.read(cx).languages().clone();
1089
1090 let completions = self.completions.clone();
1091 let completions_guard = completions.read();
1092 let completion = &completions_guard[completion_index];
1093 // todo!()
1094 // if completion.documentation.is_some() {
1095 // return;
1096 // }
1097
1098 let server_id = completion.server_id;
1099 let completion = completion.lsp_completion.clone();
1100 drop(completions_guard);
1101
1102 if project.read(cx).is_remote() {
1103 let Some(project_id) = project.read(cx).remote_id() else {
1104 log::error!("Remote project without remote_id");
1105 return;
1106 };
1107
1108 let client = project.read(cx).client();
1109
1110 cx.spawn(move |this, mut cx| async move {
1111 Self::resolve_completion_documentation_remote(
1112 project_id,
1113 server_id,
1114 completions.clone(),
1115 completion_index,
1116 completion,
1117 client,
1118 language_registry.clone(),
1119 )
1120 .await;
1121
1122 _ = this.update(&mut cx, |_, cx| cx.notify());
1123 })
1124 .detach();
1125 } else {
1126 let Some(server) = project.read(cx).language_server_for_id(server_id) else {
1127 return;
1128 };
1129
1130 cx.spawn(move |this, mut cx| async move {
1131 Self::resolve_completion_documentation_local(
1132 server,
1133 completions,
1134 completion_index,
1135 completion,
1136 language_registry,
1137 )
1138 .await;
1139
1140 _ = this.update(&mut cx, |_, cx| cx.notify());
1141 })
1142 .detach();
1143 }
1144 }
1145
1146 async fn resolve_completion_documentation_remote(
1147 project_id: u64,
1148 server_id: LanguageServerId,
1149 completions: Arc<RwLock<Box<[Completion]>>>,
1150 completion_index: usize,
1151 completion: lsp::CompletionItem,
1152 client: Arc<Client>,
1153 language_registry: Arc<LanguageRegistry>,
1154 ) {
1155 todo!()
1156 // let request = proto::ResolveCompletionDocumentation {
1157 // project_id,
1158 // language_server_id: server_id.0 as u64,
1159 // lsp_completion: serde_json::to_string(&completion).unwrap().into_bytes(),
1160 // };
1161
1162 // let Some(response) = client
1163 // .request(request)
1164 // .await
1165 // .context("completion documentation resolve proto request")
1166 // .log_err()
1167 // else {
1168 // return;
1169 // };
1170
1171 // if response.text.is_empty() {
1172 // let mut completions = completions.write();
1173 // let completion = &mut completions[completion_index];
1174 // completion.documentation = Some(Documentation::Undocumented);
1175 // }
1176
1177 // let documentation = if response.is_markdown {
1178 // Documentation::MultiLineMarkdown(
1179 // markdown::parse_markdown(&response.text, &language_registry, None).await,
1180 // )
1181 // } else if response.text.lines().count() <= 1 {
1182 // Documentation::SingleLine(response.text)
1183 // } else {
1184 // Documentation::MultiLinePlainText(response.text)
1185 // };
1186
1187 // let mut completions = completions.write();
1188 // let completion = &mut completions[completion_index];
1189 // completion.documentation = Some(documentation);
1190 }
1191
1192 async fn resolve_completion_documentation_local(
1193 server: Arc<lsp::LanguageServer>,
1194 completions: Arc<RwLock<Box<[Completion]>>>,
1195 completion_index: usize,
1196 completion: lsp::CompletionItem,
1197 language_registry: Arc<LanguageRegistry>,
1198 ) {
1199 todo!()
1200 // let can_resolve = server
1201 // .capabilities()
1202 // .completion_provider
1203 // .as_ref()
1204 // .and_then(|options| options.resolve_provider)
1205 // .unwrap_or(false);
1206 // if !can_resolve {
1207 // return;
1208 // }
1209
1210 // let request = server.request::<lsp::request::ResolveCompletionItem>(completion);
1211 // let Some(completion_item) = request.await.log_err() else {
1212 // return;
1213 // };
1214
1215 // if let Some(lsp_documentation) = completion_item.documentation {
1216 // let documentation = language::prepare_completion_documentation(
1217 // &lsp_documentation,
1218 // &language_registry,
1219 // None, // TODO: Try to reasonably work out which language the completion is for
1220 // )
1221 // .await;
1222
1223 // let mut completions = completions.write();
1224 // let completion = &mut completions[completion_index];
1225 // completion.documentation = Some(documentation);
1226 // } else {
1227 // let mut completions = completions.write();
1228 // let completion = &mut completions[completion_index];
1229 // completion.documentation = Some(Documentation::Undocumented);
1230 // }
1231 }
1232
1233 fn visible(&self) -> bool {
1234 !self.matches.is_empty()
1235 }
1236
1237 fn render(
1238 &self,
1239 style: EditorStyle,
1240 workspace: Option<WeakView<Workspace>>,
1241 cx: &mut ViewContext<Editor>,
1242 ) {
1243 todo!("old implementation below")
1244 }
1245 // ) -> AnyElement<Editor> {
1246 // enum CompletionTag {}
1247
1248 // let settings = EditorSettings>(cx);
1249 // let show_completion_documentation = settings.show_completion_documentation;
1250
1251 // let widest_completion_ix = self
1252 // .matches
1253 // .iter()
1254 // .enumerate()
1255 // .max_by_key(|(_, mat)| {
1256 // let completions = self.completions.read();
1257 // let completion = &completions[mat.candidate_id];
1258 // let documentation = &completion.documentation;
1259
1260 // let mut len = completion.label.text.chars().count();
1261 // if let Some(Documentation::SingleLine(text)) = documentation {
1262 // if show_completion_documentation {
1263 // len += text.chars().count();
1264 // }
1265 // }
1266
1267 // len
1268 // })
1269 // .map(|(ix, _)| ix);
1270
1271 // let completions = self.completions.clone();
1272 // let matches = self.matches.clone();
1273 // let selected_item = self.selected_item;
1274
1275 // let list = UniformList::new(self.list.clone(), matches.len(), cx, {
1276 // let style = style.clone();
1277 // move |_, range, items, cx| {
1278 // let start_ix = range.start;
1279 // let completions_guard = completions.read();
1280
1281 // for (ix, mat) in matches[range].iter().enumerate() {
1282 // let item_ix = start_ix + ix;
1283 // let candidate_id = mat.candidate_id;
1284 // let completion = &completions_guard[candidate_id];
1285
1286 // let documentation = if show_completion_documentation {
1287 // &completion.documentation
1288 // } else {
1289 // &None
1290 // };
1291
1292 // items.push(
1293 // MouseEventHandler::new::<CompletionTag, _>(
1294 // mat.candidate_id,
1295 // cx,
1296 // |state, _| {
1297 // let item_style = if item_ix == selected_item {
1298 // style.autocomplete.selected_item
1299 // } else if state.hovered() {
1300 // style.autocomplete.hovered_item
1301 // } else {
1302 // style.autocomplete.item
1303 // };
1304
1305 // let completion_label =
1306 // Text::new(completion.label.text.clone(), style.text.clone())
1307 // .with_soft_wrap(false)
1308 // .with_highlights(
1309 // combine_syntax_and_fuzzy_match_highlights(
1310 // &completion.label.text,
1311 // style.text.color.into(),
1312 // styled_runs_for_code_label(
1313 // &completion.label,
1314 // &style.syntax,
1315 // ),
1316 // &mat.positions,
1317 // ),
1318 // );
1319
1320 // if let Some(Documentation::SingleLine(text)) = documentation {
1321 // Flex::row()
1322 // .with_child(completion_label)
1323 // .with_children((|| {
1324 // let text_style = TextStyle {
1325 // color: style.autocomplete.inline_docs_color,
1326 // font_size: style.text.font_size
1327 // * style.autocomplete.inline_docs_size_percent,
1328 // ..style.text.clone()
1329 // };
1330
1331 // let label = Text::new(text.clone(), text_style)
1332 // .aligned()
1333 // .constrained()
1334 // .dynamically(move |constraint, _, _| {
1335 // gpui::SizeConstraint {
1336 // min: constraint.min,
1337 // max: vec2f(
1338 // constraint.max.x(),
1339 // constraint.min.y(),
1340 // ),
1341 // }
1342 // });
1343
1344 // if Some(item_ix) == widest_completion_ix {
1345 // Some(
1346 // label
1347 // .contained()
1348 // .with_style(
1349 // style
1350 // .autocomplete
1351 // .inline_docs_container,
1352 // )
1353 // .into_any(),
1354 // )
1355 // } else {
1356 // Some(label.flex_float().into_any())
1357 // }
1358 // })())
1359 // .into_any()
1360 // } else {
1361 // completion_label.into_any()
1362 // }
1363 // .contained()
1364 // .with_style(item_style)
1365 // .constrained()
1366 // .dynamically(
1367 // move |constraint, _, _| {
1368 // if Some(item_ix) == widest_completion_ix {
1369 // constraint
1370 // } else {
1371 // gpui::SizeConstraint {
1372 // min: constraint.min,
1373 // max: constraint.min,
1374 // }
1375 // }
1376 // },
1377 // )
1378 // },
1379 // )
1380 // .with_cursor_style(CursorStyle::PointingHand)
1381 // .on_down(MouseButton::Left, move |_, this, cx| {
1382 // this.confirm_completion(
1383 // &ConfirmCompletion {
1384 // item_ix: Some(item_ix),
1385 // },
1386 // cx,
1387 // )
1388 // .map(|task| task.detach());
1389 // })
1390 // .constrained()
1391 // .with_min_width(style.autocomplete.completion_min_width)
1392 // .with_max_width(style.autocomplete.completion_max_width)
1393 // .into_any(),
1394 // );
1395 // }
1396 // }
1397 // })
1398 // .with_width_from_item(widest_completion_ix);
1399
1400 // enum MultiLineDocumentation {}
1401
1402 // Flex::row()
1403 // .with_child(list.flex(1., false))
1404 // .with_children({
1405 // let mat = &self.matches[selected_item];
1406 // let completions = self.completions.read();
1407 // let completion = &completions[mat.candidate_id];
1408 // let documentation = &completion.documentation;
1409
1410 // match documentation {
1411 // Some(Documentation::MultiLinePlainText(text)) => Some(
1412 // Flex::column()
1413 // .scrollable::<MultiLineDocumentation>(0, None, cx)
1414 // .with_child(
1415 // Text::new(text.clone(), style.text.clone()).with_soft_wrap(true),
1416 // )
1417 // .contained()
1418 // .with_style(style.autocomplete.alongside_docs_container)
1419 // .constrained()
1420 // .with_max_width(style.autocomplete.alongside_docs_max_width)
1421 // .flex(1., false),
1422 // ),
1423
1424 // Some(Documentation::MultiLineMarkdown(parsed)) => Some(
1425 // Flex::column()
1426 // .scrollable::<MultiLineDocumentation>(0, None, cx)
1427 // .with_child(render_parsed_markdown::<MultiLineDocumentation>(
1428 // parsed, &style, workspace, cx,
1429 // ))
1430 // .contained()
1431 // .with_style(style.autocomplete.alongside_docs_container)
1432 // .constrained()
1433 // .with_max_width(style.autocomplete.alongside_docs_max_width)
1434 // .flex(1., false),
1435 // ),
1436
1437 // _ => None,
1438 // }
1439 // })
1440 // .contained()
1441 // .with_style(style.autocomplete.container)
1442 // .into_any()
1443 // }
1444
1445 pub async fn filter(&mut self, query: Option<&str>, executor: BackgroundExecutor) {
1446 let mut matches = if let Some(query) = query {
1447 fuzzy::match_strings(
1448 &self.match_candidates,
1449 query,
1450 query.chars().any(|c| c.is_uppercase()),
1451 100,
1452 &Default::default(),
1453 executor,
1454 )
1455 .await
1456 } else {
1457 self.match_candidates
1458 .iter()
1459 .enumerate()
1460 .map(|(candidate_id, candidate)| StringMatch {
1461 candidate_id,
1462 score: Default::default(),
1463 positions: Default::default(),
1464 string: candidate.string.clone(),
1465 })
1466 .collect()
1467 };
1468
1469 // Remove all candidates where the query's start does not match the start of any word in the candidate
1470 if let Some(query) = query {
1471 if let Some(query_start) = query.chars().next() {
1472 matches.retain(|string_match| {
1473 split_words(&string_match.string).any(|word| {
1474 // Check that the first codepoint of the word as lowercase matches the first
1475 // codepoint of the query as lowercase
1476 word.chars()
1477 .flat_map(|codepoint| codepoint.to_lowercase())
1478 .zip(query_start.to_lowercase())
1479 .all(|(word_cp, query_cp)| word_cp == query_cp)
1480 })
1481 });
1482 }
1483 }
1484
1485 let completions = self.completions.read();
1486 matches.sort_unstable_by_key(|mat| {
1487 let completion = &completions[mat.candidate_id];
1488 (
1489 completion.lsp_completion.sort_text.as_ref(),
1490 Reverse(OrderedFloat(mat.score)),
1491 completion.sort_key(),
1492 )
1493 });
1494 drop(completions);
1495
1496 for mat in &mut matches {
1497 let completions = self.completions.read();
1498 let filter_start = completions[mat.candidate_id].label.filter_range.start;
1499 for position in &mut mat.positions {
1500 *position += filter_start;
1501 }
1502 }
1503
1504 self.matches = matches.into();
1505 self.selected_item = 0;
1506 }
1507}
1508
1509#[derive(Clone)]
1510struct CodeActionsMenu {
1511 actions: Arc<[CodeAction]>,
1512 buffer: Model<Buffer>,
1513 selected_item: usize,
1514 list: UniformListState,
1515 deployed_from_indicator: bool,
1516}
1517
1518impl CodeActionsMenu {
1519 fn select_first(&mut self, cx: &mut ViewContext<Editor>) {
1520 self.selected_item = 0;
1521 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1522 cx.notify()
1523 }
1524
1525 fn select_prev(&mut self, cx: &mut ViewContext<Editor>) {
1526 if self.selected_item > 0 {
1527 self.selected_item -= 1;
1528 } else {
1529 self.selected_item = self.actions.len() - 1;
1530 }
1531 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1532 cx.notify();
1533 }
1534
1535 fn select_next(&mut self, cx: &mut ViewContext<Editor>) {
1536 if self.selected_item + 1 < self.actions.len() {
1537 self.selected_item += 1;
1538 } else {
1539 self.selected_item = 0;
1540 }
1541 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1542 cx.notify();
1543 }
1544
1545 fn select_last(&mut self, cx: &mut ViewContext<Editor>) {
1546 self.selected_item = self.actions.len() - 1;
1547 self.list.scroll_to(ScrollTarget::Show(self.selected_item));
1548 cx.notify()
1549 }
1550
1551 fn visible(&self) -> bool {
1552 !self.actions.is_empty()
1553 }
1554
1555 fn render(
1556 &self,
1557 mut cursor_position: DisplayPoint,
1558 style: EditorStyle,
1559 cx: &mut ViewContext<Editor>,
1560 ) -> (DisplayPoint, AnyElement<Editor>) {
1561 todo!("old version below")
1562 }
1563 // enum ActionTag {}
1564
1565 // let container_style = style.autocomplete.container;
1566 // let actions = self.actions.clone();
1567 // let selected_item = self.selected_item;
1568 // let element = UniformList::new(
1569 // self.list.clone(),
1570 // actions.len(),
1571 // cx,
1572 // move |_, range, items, cx| {
1573 // let start_ix = range.start;
1574 // for (ix, action) in actions[range].iter().enumerate() {
1575 // let item_ix = start_ix + ix;
1576 // items.push(
1577 // MouseEventHandler::new::<ActionTag, _>(item_ix, cx, |state, _| {
1578 // let item_style = if item_ix == selected_item {
1579 // style.autocomplete.selected_item
1580 // } else if state.hovered() {
1581 // style.autocomplete.hovered_item
1582 // } else {
1583 // style.autocomplete.item
1584 // };
1585
1586 // Text::new(action.lsp_action.title.clone(), style.text.clone())
1587 // .with_soft_wrap(false)
1588 // .contained()
1589 // .with_style(item_style)
1590 // })
1591 // .with_cursor_style(CursorStyle::PointingHand)
1592 // .on_down(MouseButton::Left, move |_, this, cx| {
1593 // let workspace = this
1594 // .workspace
1595 // .as_ref()
1596 // .and_then(|(workspace, _)| workspace.upgrade(cx));
1597 // cx.window_context().defer(move |cx| {
1598 // if let Some(workspace) = workspace {
1599 // workspace.update(cx, |workspace, cx| {
1600 // if let Some(task) = Editor::confirm_code_action(
1601 // workspace,
1602 // &ConfirmCodeAction {
1603 // item_ix: Some(item_ix),
1604 // },
1605 // cx,
1606 // ) {
1607 // task.detach_and_log_err(cx);
1608 // }
1609 // });
1610 // }
1611 // });
1612 // })
1613 // .into_any(),
1614 // );
1615 // }
1616 // },
1617 // )
1618 // .with_width_from_item(
1619 // self.actions
1620 // .iter()
1621 // .enumerate()
1622 // .max_by_key(|(_, action)| action.lsp_action.title.chars().count())
1623 // .map(|(ix, _)| ix),
1624 // )
1625 // .contained()
1626 // .with_style(container_style)
1627 // .into_any();
1628
1629 // if self.deployed_from_indicator {
1630 // *cursor_position.column_mut() = 0;
1631 // }
1632
1633 // (cursor_position, element)
1634 // }
1635}
1636
1637pub struct CopilotState {
1638 excerpt_id: Option<ExcerptId>,
1639 pending_refresh: Task<Option<()>>,
1640 pending_cycling_refresh: Task<Option<()>>,
1641 cycled: bool,
1642 completions: Vec<copilot::Completion>,
1643 active_completion_index: usize,
1644 suggestion: Option<Inlay>,
1645}
1646
1647impl Default for CopilotState {
1648 fn default() -> Self {
1649 Self {
1650 excerpt_id: None,
1651 pending_cycling_refresh: Task::ready(Some(())),
1652 pending_refresh: Task::ready(Some(())),
1653 completions: Default::default(),
1654 active_completion_index: 0,
1655 cycled: false,
1656 suggestion: None,
1657 }
1658 }
1659}
1660
1661impl CopilotState {
1662 fn active_completion(&self) -> Option<&copilot::Completion> {
1663 self.completions.get(self.active_completion_index)
1664 }
1665
1666 fn text_for_active_completion(
1667 &self,
1668 cursor: Anchor,
1669 buffer: &MultiBufferSnapshot,
1670 ) -> Option<&str> {
1671 use language::ToOffset as _;
1672
1673 let completion = self.active_completion()?;
1674 let excerpt_id = self.excerpt_id?;
1675 let completion_buffer = buffer.buffer_for_excerpt(excerpt_id)?;
1676 if excerpt_id != cursor.excerpt_id
1677 || !completion.range.start.is_valid(completion_buffer)
1678 || !completion.range.end.is_valid(completion_buffer)
1679 {
1680 return None;
1681 }
1682
1683 let mut completion_range = completion.range.to_offset(&completion_buffer);
1684 let prefix_len = Self::common_prefix(
1685 completion_buffer.chars_for_range(completion_range.clone()),
1686 completion.text.chars(),
1687 );
1688 completion_range.start += prefix_len;
1689 let suffix_len = Self::common_prefix(
1690 completion_buffer.reversed_chars_for_range(completion_range.clone()),
1691 completion.text[prefix_len..].chars().rev(),
1692 );
1693 completion_range.end = completion_range.end.saturating_sub(suffix_len);
1694
1695 if completion_range.is_empty()
1696 && completion_range.start == cursor.text_anchor.to_offset(&completion_buffer)
1697 {
1698 Some(&completion.text[prefix_len..completion.text.len() - suffix_len])
1699 } else {
1700 None
1701 }
1702 }
1703
1704 fn cycle_completions(&mut self, direction: Direction) {
1705 match direction {
1706 Direction::Prev => {
1707 self.active_completion_index = if self.active_completion_index == 0 {
1708 self.completions.len().saturating_sub(1)
1709 } else {
1710 self.active_completion_index - 1
1711 };
1712 }
1713 Direction::Next => {
1714 if self.completions.len() == 0 {
1715 self.active_completion_index = 0
1716 } else {
1717 self.active_completion_index =
1718 (self.active_completion_index + 1) % self.completions.len();
1719 }
1720 }
1721 }
1722 }
1723
1724 fn push_completion(&mut self, new_completion: copilot::Completion) {
1725 for completion in &self.completions {
1726 if completion.text == new_completion.text && completion.range == new_completion.range {
1727 return;
1728 }
1729 }
1730 self.completions.push(new_completion);
1731 }
1732
1733 fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b: T2) -> usize {
1734 a.zip(b)
1735 .take_while(|(a, b)| a == b)
1736 .map(|(a, _)| a.len_utf8())
1737 .sum()
1738 }
1739}
1740
1741#[derive(Debug)]
1742struct ActiveDiagnosticGroup {
1743 primary_range: Range<Anchor>,
1744 primary_message: String,
1745 blocks: HashMap<BlockId, Diagnostic>,
1746 is_valid: bool,
1747}
1748
1749#[derive(Serialize, Deserialize)]
1750pub struct ClipboardSelection {
1751 pub len: usize,
1752 pub is_entire_line: bool,
1753 pub first_line_indent: u32,
1754}
1755
1756#[derive(Debug)]
1757pub struct NavigationData {
1758 cursor_anchor: Anchor,
1759 cursor_position: Point,
1760 scroll_anchor: ScrollAnchor,
1761 scroll_top_row: u32,
1762}
1763
1764pub struct EditorCreated(pub View<Editor>);
1765
1766enum GotoDefinitionKind {
1767 Symbol,
1768 Type,
1769}
1770
1771#[derive(Debug, Clone)]
1772enum InlayHintRefreshReason {
1773 Toggle(bool),
1774 SettingsChange(InlayHintSettings),
1775 NewLinesShown,
1776 BufferEdited(HashSet<Arc<Language>>),
1777 RefreshRequested,
1778 ExcerptsRemoved(Vec<ExcerptId>),
1779}
1780impl InlayHintRefreshReason {
1781 fn description(&self) -> &'static str {
1782 match self {
1783 Self::Toggle(_) => "toggle",
1784 Self::SettingsChange(_) => "settings change",
1785 Self::NewLinesShown => "new lines shown",
1786 Self::BufferEdited(_) => "buffer edited",
1787 Self::RefreshRequested => "refresh requested",
1788 Self::ExcerptsRemoved(_) => "excerpts removed",
1789 }
1790 }
1791}
1792
1793impl Editor {
1794 // pub fn single_line(
1795 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1796 // cx: &mut ViewContext<Self>,
1797 // ) -> Self {
1798 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1799 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1800 // Self::new(EditorMode::SingleLine, buffer, None, field_editor_style, cx)
1801 // }
1802
1803 // pub fn multi_line(
1804 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1805 // cx: &mut ViewContext<Self>,
1806 // ) -> Self {
1807 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1808 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1809 // Self::new(EditorMode::Full, buffer, None, field_editor_style, cx)
1810 // }
1811
1812 // pub fn auto_height(
1813 // max_lines: usize,
1814 // field_editor_style: Option<Arc<GetFieldEditorTheme>>,
1815 // cx: &mut ViewContext<Self>,
1816 // ) -> Self {
1817 // let buffer = cx.build_model(|cx| Buffer::new(0, cx.model_id() as u64, String::new()));
1818 // let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1819 // Self::new(
1820 // EditorMode::AutoHeight { max_lines },
1821 // buffer,
1822 // None,
1823 // field_editor_style,
1824 // cx,
1825 // )
1826 // }
1827
1828 pub fn for_buffer(
1829 buffer: Model<Buffer>,
1830 project: Option<Model<Project>>,
1831 cx: &mut ViewContext<Self>,
1832 ) -> Self {
1833 let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
1834 Self::new(EditorMode::Full, buffer, project, cx)
1835 }
1836
1837 // pub fn for_multibuffer(
1838 // buffer: Model<MultiBuffer>,
1839 // project: Option<Model<Project>>,
1840 // cx: &mut ViewContext<Self>,
1841 // ) -> Self {
1842 // Self::new(EditorMode::Full, buffer, project, None, cx)
1843 // }
1844
1845 pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
1846 let mut clone = Self::new(
1847 self.mode,
1848 self.buffer.clone(),
1849 self.project.clone(),
1850 // todo!
1851 // self.get_field_editor_theme.clone(),
1852 cx,
1853 );
1854 self.display_map.update(cx, |display_map, cx| {
1855 let snapshot = display_map.snapshot(cx);
1856 clone.display_map.update(cx, |display_map, cx| {
1857 display_map.set_state(&snapshot, cx);
1858 });
1859 });
1860 clone.selections.clone_state(&self.selections);
1861 clone.scroll_manager.clone_state(&self.scroll_manager);
1862 clone.searchable = self.searchable;
1863 clone
1864 }
1865
1866 fn new(
1867 mode: EditorMode,
1868 buffer: Model<MultiBuffer>,
1869 project: Option<Model<Project>>,
1870 // todo!()
1871 // get_field_editor_theme: Option<Arc<GetFieldEditorTheme>>,
1872 cx: &mut ViewContext<Self>,
1873 ) -> Self {
1874 // let editor_view_id = cx.view_id();
1875 let style = cx.text_style();
1876 let font_size = style.font_size * cx.rem_size();
1877 let display_map = cx.build_model(|cx| {
1878 // todo!()
1879 // let settings = settings::get::<ThemeSettings>(cx);
1880 // let style = build_style(settings, get_field_editor_theme.as_deref(), None, cx);
1881 DisplayMap::new(buffer.clone(), style.font(), font_size, None, 2, 1, cx)
1882 });
1883
1884 let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
1885
1886 let blink_manager = cx.build_model(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
1887
1888 let soft_wrap_mode_override =
1889 (mode == EditorMode::SingleLine).then(|| language_settings::SoftWrap::None);
1890
1891 let mut project_subscriptions = Vec::new();
1892 if mode == EditorMode::Full {
1893 if let Some(project) = project.as_ref() {
1894 if buffer.read(cx).is_singleton() {
1895 project_subscriptions.push(cx.observe(project, |_, _, cx| {
1896 cx.emit(Event::TitleChanged);
1897 }));
1898 }
1899 project_subscriptions.push(cx.subscribe(project, |editor, _, event, cx| {
1900 if let project::Event::RefreshInlayHints = event {
1901 editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
1902 };
1903 }));
1904 }
1905 }
1906
1907 let inlay_hint_settings = inlay_hint_settings(
1908 selections.newest_anchor().head(),
1909 &buffer.read(cx).snapshot(cx),
1910 cx,
1911 );
1912
1913 let mut this = Self {
1914 handle: cx.view().downgrade(),
1915 buffer: buffer.clone(),
1916 display_map: display_map.clone(),
1917 selections,
1918 scroll_manager: ScrollManager::new(),
1919 columnar_selection_tail: None,
1920 add_selections_state: None,
1921 select_next_state: None,
1922 select_prev_state: None,
1923 selection_history: Default::default(),
1924 autoclose_regions: Default::default(),
1925 snippet_stack: Default::default(),
1926 select_larger_syntax_node_stack: Vec::new(),
1927 ime_transaction: Default::default(),
1928 active_diagnostics: None,
1929 soft_wrap_mode_override,
1930 // get_field_editor_theme,
1931 collaboration_hub: project.clone().map(|project| Box::new(project) as _),
1932 project,
1933 focused: false,
1934 blink_manager: blink_manager.clone(),
1935 show_local_selections: true,
1936 mode,
1937 show_gutter: mode == EditorMode::Full,
1938 show_wrap_guides: None,
1939 placeholder_text: None,
1940 highlighted_rows: None,
1941 background_highlights: Default::default(),
1942 inlay_background_highlights: Default::default(),
1943 nav_history: None,
1944 context_menu: RwLock::new(None),
1945 // mouse_context_menu: cx
1946 // .add_view(|cx| context_menu::ContextMenu::new(editor_view_id, cx)),
1947 completion_tasks: Default::default(),
1948 next_completion_id: 0,
1949 next_inlay_id: 0,
1950 available_code_actions: Default::default(),
1951 code_actions_task: Default::default(),
1952 document_highlights_task: Default::default(),
1953 pending_rename: Default::default(),
1954 searchable: true,
1955 // override_text_style: None,
1956 cursor_shape: Default::default(),
1957 autoindent_mode: Some(AutoindentMode::EachLine),
1958 collapse_matches: false,
1959 workspace: None,
1960 // keymap_context_layers: Default::default(),
1961 input_enabled: true,
1962 read_only: false,
1963 leader_peer_id: None,
1964 remote_id: None,
1965 hover_state: Default::default(),
1966 link_go_to_definition_state: Default::default(),
1967 copilot_state: Default::default(),
1968 inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
1969 gutter_hovered: false,
1970 pixel_position_of_newest_cursor: None,
1971 _subscriptions: vec![
1972 cx.observe(&buffer, Self::on_buffer_changed),
1973 cx.subscribe(&buffer, Self::on_buffer_event),
1974 cx.observe(&display_map, Self::on_display_map_changed),
1975 cx.observe(&blink_manager, |_, _, cx| cx.notify()),
1976 cx.observe_global::<SettingsStore>(Self::settings_changed),
1977 cx.observe_window_activation(|editor, cx| {
1978 let active = cx.is_window_active();
1979 editor.blink_manager.update(cx, |blink_manager, cx| {
1980 if active {
1981 blink_manager.enable(cx);
1982 } else {
1983 blink_manager.show_cursor(cx);
1984 blink_manager.disable(cx);
1985 }
1986 });
1987 }),
1988 ],
1989 };
1990
1991 this._subscriptions.extend(project_subscriptions);
1992
1993 this.end_selection(cx);
1994 this.scroll_manager.show_scrollbar(cx);
1995
1996 // todo!("use a different mechanism")
1997 // let editor_created_event = EditorCreated(cx.handle());
1998 // cx.emit_global(editor_created_event);
1999
2000 if mode == EditorMode::Full {
2001 let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
2002 cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
2003 }
2004
2005 this.report_editor_event("open", None, cx);
2006 this
2007 }
2008
2009 // pub fn new_file(
2010 // workspace: &mut Workspace,
2011 // _: &workspace::NewFile,
2012 // cx: &mut ViewContext<Workspace>,
2013 // ) {
2014 // let project = workspace.project().clone();
2015 // if project.read(cx).is_remote() {
2016 // cx.propagate_action();
2017 // } else if let Some(buffer) = project
2018 // .update(cx, |project, cx| project.create_buffer("", None, cx))
2019 // .log_err()
2020 // {
2021 // workspace.add_item(
2022 // Box::new(cx.add_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx))),
2023 // cx,
2024 // );
2025 // }
2026 // }
2027
2028 // pub fn new_file_in_direction(
2029 // workspace: &mut Workspace,
2030 // action: &workspace::NewFileInDirection,
2031 // cx: &mut ViewContext<Workspace>,
2032 // ) {
2033 // let project = workspace.project().clone();
2034 // if project.read(cx).is_remote() {
2035 // cx.propagate_action();
2036 // } else if let Some(buffer) = project
2037 // .update(cx, |project, cx| project.create_buffer("", None, cx))
2038 // .log_err()
2039 // {
2040 // workspace.split_item(
2041 // action.0,
2042 // Box::new(cx.add_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx))),
2043 // cx,
2044 // );
2045 // }
2046 // }
2047
2048 // pub fn replica_id(&self, cx: &AppContext) -> ReplicaId {
2049 // self.buffer.read(cx).replica_id()
2050 // }
2051
2052 // pub fn leader_peer_id(&self) -> Option<PeerId> {
2053 // self.leader_peer_id
2054 // }
2055
2056 pub fn buffer(&self) -> &Model<MultiBuffer> {
2057 &self.buffer
2058 }
2059
2060 // fn workspace(&self, cx: &AppContext) -> Option<ViewHandle<Workspace>> {
2061 // self.workspace.as_ref()?.0.upgrade(cx)
2062 // }
2063
2064 // pub fn title<'a>(&self, cx: &'a AppContext) -> Cow<'a, str> {
2065 // self.buffer().read(cx).title(cx)
2066 // }
2067
2068 pub fn snapshot(&mut self, cx: &mut WindowContext) -> EditorSnapshot {
2069 todo!()
2070 // EditorSnapshot {
2071 // mode: self.mode,
2072 // show_gutter: self.show_gutter,
2073 // display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
2074 // scroll_anchor: self.scroll_manager.anchor(),
2075 // ongoing_scroll: self.scroll_manager.ongoing_scroll(),
2076 // placeholder_text: self.placeholder_text.clone(),
2077 // is_focused: self
2078 // .handle
2079 // .upgrade(cx)
2080 // .map_or(false, |handle| handle.is_focused(cx)),
2081 // }
2082 }
2083
2084 // pub fn language_at<'a, T: ToOffset>(
2085 // &self,
2086 // point: T,
2087 // cx: &'a AppContext,
2088 // ) -> Option<Arc<Language>> {
2089 // self.buffer.read(cx).language_at(point, cx)
2090 // }
2091
2092 // pub fn file_at<'a, T: ToOffset>(&self, point: T, cx: &'a AppContext) -> Option<Arc<dyn File>> {
2093 // self.buffer.read(cx).read(cx).file_at(point).cloned()
2094 // }
2095
2096 // pub fn active_excerpt(
2097 // &self,
2098 // cx: &AppContext,
2099 // ) -> Option<(ExcerptId, Model<Buffer>, Range<text::Anchor>)> {
2100 // self.buffer
2101 // .read(cx)
2102 // .excerpt_containing(self.selections.newest_anchor().head(), cx)
2103 // }
2104
2105 // pub fn style(&self, cx: &AppContext) -> EditorStyle {
2106 // build_style(
2107 // settings::get::<ThemeSettings>(cx),
2108 // self.get_field_editor_theme.as_deref(),
2109 // self.override_text_style.as_deref(),
2110 // cx,
2111 // )
2112 // }
2113
2114 // pub fn mode(&self) -> EditorMode {
2115 // self.mode
2116 // }
2117
2118 // pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
2119 // self.collaboration_hub.as_deref()
2120 // }
2121
2122 // pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
2123 // self.collaboration_hub = Some(hub);
2124 // }
2125
2126 // pub fn set_placeholder_text(
2127 // &mut self,
2128 // placeholder_text: impl Into<Arc<str>>,
2129 // cx: &mut ViewContext<Self>,
2130 // ) {
2131 // self.placeholder_text = Some(placeholder_text.into());
2132 // cx.notify();
2133 // }
2134
2135 // pub fn set_cursor_shape(&mut self, cursor_shape: CursorShape, cx: &mut ViewContext<Self>) {
2136 // self.cursor_shape = cursor_shape;
2137 // cx.notify();
2138 // }
2139
2140 // pub fn set_collapse_matches(&mut self, collapse_matches: bool) {
2141 // self.collapse_matches = collapse_matches;
2142 // }
2143
2144 // pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
2145 // if self.collapse_matches {
2146 // return range.start..range.start;
2147 // }
2148 // range.clone()
2149 // }
2150
2151 // pub fn set_clip_at_line_ends(&mut self, clip: bool, cx: &mut ViewContext<Self>) {
2152 // if self.display_map.read(cx).clip_at_line_ends != clip {
2153 // self.display_map
2154 // .update(cx, |map, _| map.clip_at_line_ends = clip);
2155 // }
2156 // }
2157
2158 // pub fn set_keymap_context_layer<Tag: 'static>(
2159 // &mut self,
2160 // context: KeymapContext,
2161 // cx: &mut ViewContext<Self>,
2162 // ) {
2163 // self.keymap_context_layers
2164 // .insert(TypeId::of::<Tag>(), context);
2165 // cx.notify();
2166 // }
2167
2168 // pub fn remove_keymap_context_layer<Tag: 'static>(&mut self, cx: &mut ViewContext<Self>) {
2169 // self.keymap_context_layers.remove(&TypeId::of::<Tag>());
2170 // cx.notify();
2171 // }
2172
2173 // pub fn set_input_enabled(&mut self, input_enabled: bool) {
2174 // self.input_enabled = input_enabled;
2175 // }
2176
2177 // pub fn set_autoindent(&mut self, autoindent: bool) {
2178 // if autoindent {
2179 // self.autoindent_mode = Some(AutoindentMode::EachLine);
2180 // } else {
2181 // self.autoindent_mode = None;
2182 // }
2183 // }
2184
2185 // pub fn read_only(&self) -> bool {
2186 // self.read_only
2187 // }
2188
2189 // pub fn set_read_only(&mut self, read_only: bool) {
2190 // self.read_only = read_only;
2191 // }
2192
2193 // pub fn set_field_editor_style(
2194 // &mut self,
2195 // style: Option<Arc<GetFieldEditorTheme>>,
2196 // cx: &mut ViewContext<Self>,
2197 // ) {
2198 // self.get_field_editor_theme = style;
2199 // cx.notify();
2200 // }
2201
2202 fn selections_did_change(
2203 &mut self,
2204 local: bool,
2205 old_cursor_position: &Anchor,
2206 cx: &mut ViewContext<Self>,
2207 ) {
2208 if self.focused && self.leader_peer_id.is_none() {
2209 self.buffer.update(cx, |buffer, cx| {
2210 buffer.set_active_selections(
2211 &self.selections.disjoint_anchors(),
2212 self.selections.line_mode,
2213 self.cursor_shape,
2214 cx,
2215 )
2216 });
2217 }
2218
2219 let display_map = self
2220 .display_map
2221 .update(cx, |display_map, cx| display_map.snapshot(cx));
2222 let buffer = &display_map.buffer_snapshot;
2223 self.add_selections_state = None;
2224 self.select_next_state = None;
2225 self.select_prev_state = None;
2226 self.select_larger_syntax_node_stack.clear();
2227 self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
2228 self.snippet_stack
2229 .invalidate(&self.selections.disjoint_anchors(), buffer);
2230 self.take_rename(false, cx);
2231
2232 let new_cursor_position = self.selections.newest_anchor().head();
2233
2234 self.push_to_nav_history(
2235 old_cursor_position.clone(),
2236 Some(new_cursor_position.to_point(buffer)),
2237 cx,
2238 );
2239
2240 if local {
2241 let new_cursor_position = self.selections.newest_anchor().head();
2242 let mut context_menu = self.context_menu.write();
2243 let completion_menu = match context_menu.as_ref() {
2244 Some(ContextMenu::Completions(menu)) => Some(menu),
2245
2246 _ => {
2247 *context_menu = None;
2248 None
2249 }
2250 };
2251
2252 if let Some(completion_menu) = completion_menu {
2253 let cursor_position = new_cursor_position.to_offset(buffer);
2254 let (word_range, kind) =
2255 buffer.surrounding_word(completion_menu.initial_position.clone());
2256 if kind == Some(CharKind::Word)
2257 && word_range.to_inclusive().contains(&cursor_position)
2258 {
2259 let mut completion_menu = completion_menu.clone();
2260 drop(context_menu);
2261
2262 let query = Self::completion_query(buffer, cursor_position);
2263 cx.spawn(move |this, mut cx| async move {
2264 completion_menu
2265 .filter(query.as_deref(), cx.background_executor().clone())
2266 .await;
2267
2268 this.update(&mut cx, |this, cx| {
2269 let mut context_menu = this.context_menu.write();
2270 let Some(ContextMenu::Completions(menu)) = context_menu.as_ref() else {
2271 return;
2272 };
2273
2274 if menu.id > completion_menu.id {
2275 return;
2276 }
2277
2278 *context_menu = Some(ContextMenu::Completions(completion_menu));
2279 drop(context_menu);
2280 cx.notify();
2281 })
2282 })
2283 .detach();
2284
2285 self.show_completions(&ShowCompletions, cx);
2286 } else {
2287 drop(context_menu);
2288 self.hide_context_menu(cx);
2289 }
2290 } else {
2291 drop(context_menu);
2292 }
2293
2294 hide_hover(self, cx);
2295
2296 if old_cursor_position.to_display_point(&display_map).row()
2297 != new_cursor_position.to_display_point(&display_map).row()
2298 {
2299 self.available_code_actions.take();
2300 }
2301 self.refresh_code_actions(cx);
2302 self.refresh_document_highlights(cx);
2303 refresh_matching_bracket_highlights(self, cx);
2304 self.discard_copilot_suggestion(cx);
2305 }
2306
2307 self.blink_manager.update(cx, BlinkManager::pause_blinking);
2308 cx.emit(Event::SelectionsChanged { local });
2309 cx.notify();
2310 }
2311
2312 pub fn change_selections<R>(
2313 &mut self,
2314 autoscroll: Option<Autoscroll>,
2315 cx: &mut ViewContext<Self>,
2316 change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
2317 ) -> R {
2318 let old_cursor_position = self.selections.newest_anchor().head();
2319 self.push_to_selection_history();
2320
2321 let (changed, result) = self.selections.change_with(cx, change);
2322
2323 if changed {
2324 if let Some(autoscroll) = autoscroll {
2325 self.request_autoscroll(autoscroll, cx);
2326 }
2327 self.selections_did_change(true, &old_cursor_position, cx);
2328 }
2329
2330 result
2331 }
2332
2333 pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2334 where
2335 I: IntoIterator<Item = (Range<S>, T)>,
2336 S: ToOffset,
2337 T: Into<Arc<str>>,
2338 {
2339 if self.read_only {
2340 return;
2341 }
2342
2343 self.buffer
2344 .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
2345 }
2346
2347 // pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
2348 // where
2349 // I: IntoIterator<Item = (Range<S>, T)>,
2350 // S: ToOffset,
2351 // T: Into<Arc<str>>,
2352 // {
2353 // if self.read_only {
2354 // return;
2355 // }
2356
2357 // self.buffer.update(cx, |buffer, cx| {
2358 // buffer.edit(edits, self.autoindent_mode.clone(), cx)
2359 // });
2360 // }
2361
2362 // pub fn edit_with_block_indent<I, S, T>(
2363 // &mut self,
2364 // edits: I,
2365 // original_indent_columns: Vec<u32>,
2366 // cx: &mut ViewContext<Self>,
2367 // ) where
2368 // I: IntoIterator<Item = (Range<S>, T)>,
2369 // S: ToOffset,
2370 // T: Into<Arc<str>>,
2371 // {
2372 // if self.read_only {
2373 // return;
2374 // }
2375
2376 // self.buffer.update(cx, |buffer, cx| {
2377 // buffer.edit(
2378 // edits,
2379 // Some(AutoindentMode::Block {
2380 // original_indent_columns,
2381 // }),
2382 // cx,
2383 // )
2384 // });
2385 // }
2386
2387 // fn select(&mut self, phase: SelectPhase, cx: &mut ViewContext<Self>) {
2388 // self.hide_context_menu(cx);
2389
2390 // match phase {
2391 // SelectPhase::Begin {
2392 // position,
2393 // add,
2394 // click_count,
2395 // } => self.begin_selection(position, add, click_count, cx),
2396 // SelectPhase::BeginColumnar {
2397 // position,
2398 // goal_column,
2399 // } => self.begin_columnar_selection(position, goal_column, cx),
2400 // SelectPhase::Extend {
2401 // position,
2402 // click_count,
2403 // } => self.extend_selection(position, click_count, cx),
2404 // SelectPhase::Update {
2405 // position,
2406 // goal_column,
2407 // scroll_position,
2408 // } => self.update_selection(position, goal_column, scroll_position, cx),
2409 // SelectPhase::End => self.end_selection(cx),
2410 // }
2411 // }
2412
2413 // fn extend_selection(
2414 // &mut self,
2415 // position: DisplayPoint,
2416 // click_count: usize,
2417 // cx: &mut ViewContext<Self>,
2418 // ) {
2419 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2420 // let tail = self.selections.newest::<usize>(cx).tail();
2421 // self.begin_selection(position, false, click_count, cx);
2422
2423 // let position = position.to_offset(&display_map, Bias::Left);
2424 // let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
2425
2426 // let mut pending_selection = self
2427 // .selections
2428 // .pending_anchor()
2429 // .expect("extend_selection not called with pending selection");
2430 // if position >= tail {
2431 // pending_selection.start = tail_anchor;
2432 // } else {
2433 // pending_selection.end = tail_anchor;
2434 // pending_selection.reversed = true;
2435 // }
2436
2437 // let mut pending_mode = self.selections.pending_mode().unwrap();
2438 // match &mut pending_mode {
2439 // SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
2440 // _ => {}
2441 // }
2442
2443 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
2444 // s.set_pending(pending_selection, pending_mode)
2445 // });
2446 // }
2447
2448 // fn begin_selection(
2449 // &mut self,
2450 // position: DisplayPoint,
2451 // add: bool,
2452 // click_count: usize,
2453 // cx: &mut ViewContext<Self>,
2454 // ) {
2455 // if !self.focused {
2456 // cx.focus_self();
2457 // }
2458
2459 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2460 // let buffer = &display_map.buffer_snapshot;
2461 // let newest_selection = self.selections.newest_anchor().clone();
2462 // let position = display_map.clip_point(position, Bias::Left);
2463
2464 // let start;
2465 // let end;
2466 // let mode;
2467 // let auto_scroll;
2468 // match click_count {
2469 // 1 => {
2470 // start = buffer.anchor_before(position.to_point(&display_map));
2471 // end = start.clone();
2472 // mode = SelectMode::Character;
2473 // auto_scroll = true;
2474 // }
2475 // 2 => {
2476 // let range = movement::surrounding_word(&display_map, position);
2477 // start = buffer.anchor_before(range.start.to_point(&display_map));
2478 // end = buffer.anchor_before(range.end.to_point(&display_map));
2479 // mode = SelectMode::Word(start.clone()..end.clone());
2480 // auto_scroll = true;
2481 // }
2482 // 3 => {
2483 // let position = display_map
2484 // .clip_point(position, Bias::Left)
2485 // .to_point(&display_map);
2486 // let line_start = display_map.prev_line_boundary(position).0;
2487 // let next_line_start = buffer.clip_point(
2488 // display_map.next_line_boundary(position).0 + Point::new(1, 0),
2489 // Bias::Left,
2490 // );
2491 // start = buffer.anchor_before(line_start);
2492 // end = buffer.anchor_before(next_line_start);
2493 // mode = SelectMode::Line(start.clone()..end.clone());
2494 // auto_scroll = true;
2495 // }
2496 // _ => {
2497 // start = buffer.anchor_before(0);
2498 // end = buffer.anchor_before(buffer.len());
2499 // mode = SelectMode::All;
2500 // auto_scroll = false;
2501 // }
2502 // }
2503
2504 // self.change_selections(auto_scroll.then(|| Autoscroll::newest()), cx, |s| {
2505 // if !add {
2506 // s.clear_disjoint();
2507 // } else if click_count > 1 {
2508 // s.delete(newest_selection.id)
2509 // }
2510
2511 // s.set_pending_anchor_range(start..end, mode);
2512 // });
2513 // }
2514
2515 // fn begin_columnar_selection(
2516 // &mut self,
2517 // position: DisplayPoint,
2518 // goal_column: u32,
2519 // cx: &mut ViewContext<Self>,
2520 // ) {
2521 // if !self.focused {
2522 // cx.focus_self();
2523 // }
2524
2525 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2526 // let tail = self.selections.newest::<Point>(cx).tail();
2527 // self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
2528
2529 // self.select_columns(
2530 // tail.to_display_point(&display_map),
2531 // position,
2532 // goal_column,
2533 // &display_map,
2534 // cx,
2535 // );
2536 // }
2537
2538 // fn update_selection(
2539 // &mut self,
2540 // position: DisplayPoint,
2541 // goal_column: u32,
2542 // scroll_position: Vector2F,
2543 // cx: &mut ViewContext<Self>,
2544 // ) {
2545 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
2546
2547 // if let Some(tail) = self.columnar_selection_tail.as_ref() {
2548 // let tail = tail.to_display_point(&display_map);
2549 // self.select_columns(tail, position, goal_column, &display_map, cx);
2550 // } else if let Some(mut pending) = self.selections.pending_anchor() {
2551 // let buffer = self.buffer.read(cx).snapshot(cx);
2552 // let head;
2553 // let tail;
2554 // let mode = self.selections.pending_mode().unwrap();
2555 // match &mode {
2556 // SelectMode::Character => {
2557 // head = position.to_point(&display_map);
2558 // tail = pending.tail().to_point(&buffer);
2559 // }
2560 // SelectMode::Word(original_range) => {
2561 // let original_display_range = original_range.start.to_display_point(&display_map)
2562 // ..original_range.end.to_display_point(&display_map);
2563 // let original_buffer_range = original_display_range.start.to_point(&display_map)
2564 // ..original_display_range.end.to_point(&display_map);
2565 // if movement::is_inside_word(&display_map, position)
2566 // || original_display_range.contains(&position)
2567 // {
2568 // let word_range = movement::surrounding_word(&display_map, position);
2569 // if word_range.start < original_display_range.start {
2570 // head = word_range.start.to_point(&display_map);
2571 // } else {
2572 // head = word_range.end.to_point(&display_map);
2573 // }
2574 // } else {
2575 // head = position.to_point(&display_map);
2576 // }
2577
2578 // if head <= original_buffer_range.start {
2579 // tail = original_buffer_range.end;
2580 // } else {
2581 // tail = original_buffer_range.start;
2582 // }
2583 // }
2584 // SelectMode::Line(original_range) => {
2585 // let original_range = original_range.to_point(&display_map.buffer_snapshot);
2586
2587 // let position = display_map
2588 // .clip_point(position, Bias::Left)
2589 // .to_point(&display_map);
2590 // let line_start = display_map.prev_line_boundary(position).0;
2591 // let next_line_start = buffer.clip_point(
2592 // display_map.next_line_boundary(position).0 + Point::new(1, 0),
2593 // Bias::Left,
2594 // );
2595
2596 // if line_start < original_range.start {
2597 // head = line_start
2598 // } else {
2599 // head = next_line_start
2600 // }
2601
2602 // if head <= original_range.start {
2603 // tail = original_range.end;
2604 // } else {
2605 // tail = original_range.start;
2606 // }
2607 // }
2608 // SelectMode::All => {
2609 // return;
2610 // }
2611 // };
2612
2613 // if head < tail {
2614 // pending.start = buffer.anchor_before(head);
2615 // pending.end = buffer.anchor_before(tail);
2616 // pending.reversed = true;
2617 // } else {
2618 // pending.start = buffer.anchor_before(tail);
2619 // pending.end = buffer.anchor_before(head);
2620 // pending.reversed = false;
2621 // }
2622
2623 // self.change_selections(None, cx, |s| {
2624 // s.set_pending(pending, mode);
2625 // });
2626 // } else {
2627 // error!("update_selection dispatched with no pending selection");
2628 // return;
2629 // }
2630
2631 // self.set_scroll_position(scroll_position, cx);
2632 // cx.notify();
2633 // }
2634
2635 fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
2636 self.columnar_selection_tail.take();
2637 if self.selections.pending_anchor().is_some() {
2638 let selections = self.selections.all::<usize>(cx);
2639 self.change_selections(None, cx, |s| {
2640 s.select(selections);
2641 s.clear_pending();
2642 });
2643 }
2644 }
2645
2646 fn select_columns(
2647 &mut self,
2648 tail: DisplayPoint,
2649 head: DisplayPoint,
2650 goal_column: u32,
2651 display_map: &DisplaySnapshot,
2652 cx: &mut ViewContext<Self>,
2653 ) {
2654 let start_row = cmp::min(tail.row(), head.row());
2655 let end_row = cmp::max(tail.row(), head.row());
2656 let start_column = cmp::min(tail.column(), goal_column);
2657 let end_column = cmp::max(tail.column(), goal_column);
2658 let reversed = start_column < tail.column();
2659
2660 let selection_ranges = (start_row..=end_row)
2661 .filter_map(|row| {
2662 if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
2663 let start = display_map
2664 .clip_point(DisplayPoint::new(row, start_column), Bias::Left)
2665 .to_point(display_map);
2666 let end = display_map
2667 .clip_point(DisplayPoint::new(row, end_column), Bias::Right)
2668 .to_point(display_map);
2669 if reversed {
2670 Some(end..start)
2671 } else {
2672 Some(start..end)
2673 }
2674 } else {
2675 None
2676 }
2677 })
2678 .collect::<Vec<_>>();
2679
2680 self.change_selections(None, cx, |s| {
2681 s.select_ranges(selection_ranges);
2682 });
2683 cx.notify();
2684 }
2685
2686 pub fn has_pending_nonempty_selection(&self) -> bool {
2687 let pending_nonempty_selection = match self.selections.pending_anchor() {
2688 Some(Selection { start, end, .. }) => start != end,
2689 None => false,
2690 };
2691 pending_nonempty_selection || self.columnar_selection_tail.is_some()
2692 }
2693
2694 pub fn has_pending_selection(&self) -> bool {
2695 self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
2696 }
2697
2698 // pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
2699 // if self.take_rename(false, cx).is_some() {
2700 // return;
2701 // }
2702
2703 // if hide_hover(self, cx) {
2704 // return;
2705 // }
2706
2707 // if self.hide_context_menu(cx).is_some() {
2708 // return;
2709 // }
2710
2711 // if self.discard_copilot_suggestion(cx) {
2712 // return;
2713 // }
2714
2715 // if self.snippet_stack.pop().is_some() {
2716 // return;
2717 // }
2718
2719 // if self.mode == EditorMode::Full {
2720 // if self.active_diagnostics.is_some() {
2721 // self.dismiss_diagnostics(cx);
2722 // return;
2723 // }
2724
2725 // if self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel()) {
2726 // return;
2727 // }
2728 // }
2729
2730 // cx.propagate_action();
2731 // }
2732
2733 // pub fn handle_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
2734 // let text: Arc<str> = text.into();
2735
2736 // if self.read_only {
2737 // return;
2738 // }
2739
2740 // let selections = self.selections.all_adjusted(cx);
2741 // let mut brace_inserted = false;
2742 // let mut edits = Vec::new();
2743 // let mut new_selections = Vec::with_capacity(selections.len());
2744 // let mut new_autoclose_regions = Vec::new();
2745 // let snapshot = self.buffer.read(cx).read(cx);
2746
2747 // for (selection, autoclose_region) in
2748 // self.selections_with_autoclose_regions(selections, &snapshot)
2749 // {
2750 // if let Some(scope) = snapshot.language_scope_at(selection.head()) {
2751 // // Determine if the inserted text matches the opening or closing
2752 // // bracket of any of this language's bracket pairs.
2753 // let mut bracket_pair = None;
2754 // let mut is_bracket_pair_start = false;
2755 // if !text.is_empty() {
2756 // // `text` can be empty when an user is using IME (e.g. Chinese Wubi Simplified)
2757 // // and they are removing the character that triggered IME popup.
2758 // for (pair, enabled) in scope.brackets() {
2759 // if enabled && pair.close && pair.start.ends_with(text.as_ref()) {
2760 // bracket_pair = Some(pair.clone());
2761 // is_bracket_pair_start = true;
2762 // break;
2763 // } else if pair.end.as_str() == text.as_ref() {
2764 // bracket_pair = Some(pair.clone());
2765 // break;
2766 // }
2767 // }
2768 // }
2769
2770 // if let Some(bracket_pair) = bracket_pair {
2771 // if selection.is_empty() {
2772 // if is_bracket_pair_start {
2773 // let prefix_len = bracket_pair.start.len() - text.len();
2774
2775 // // If the inserted text is a suffix of an opening bracket and the
2776 // // selection is preceded by the rest of the opening bracket, then
2777 // // insert the closing bracket.
2778 // let following_text_allows_autoclose = snapshot
2779 // .chars_at(selection.start)
2780 // .next()
2781 // .map_or(true, |c| scope.should_autoclose_before(c));
2782 // let preceding_text_matches_prefix = prefix_len == 0
2783 // || (selection.start.column >= (prefix_len as u32)
2784 // && snapshot.contains_str_at(
2785 // Point::new(
2786 // selection.start.row,
2787 // selection.start.column - (prefix_len as u32),
2788 // ),
2789 // &bracket_pair.start[..prefix_len],
2790 // ));
2791 // if following_text_allows_autoclose && preceding_text_matches_prefix {
2792 // let anchor = snapshot.anchor_before(selection.end);
2793 // new_selections.push((selection.map(|_| anchor), text.len()));
2794 // new_autoclose_regions.push((
2795 // anchor,
2796 // text.len(),
2797 // selection.id,
2798 // bracket_pair.clone(),
2799 // ));
2800 // edits.push((
2801 // selection.range(),
2802 // format!("{}{}", text, bracket_pair.end).into(),
2803 // ));
2804 // brace_inserted = true;
2805 // continue;
2806 // }
2807 // }
2808
2809 // if let Some(region) = autoclose_region {
2810 // // If the selection is followed by an auto-inserted closing bracket,
2811 // // then don't insert that closing bracket again; just move the selection
2812 // // past the closing bracket.
2813 // let should_skip = selection.end == region.range.end.to_point(&snapshot)
2814 // && text.as_ref() == region.pair.end.as_str();
2815 // if should_skip {
2816 // let anchor = snapshot.anchor_after(selection.end);
2817 // new_selections
2818 // .push((selection.map(|_| anchor), region.pair.end.len()));
2819 // continue;
2820 // }
2821 // }
2822 // }
2823 // // If an opening bracket is 1 character long and is typed while
2824 // // text is selected, then surround that text with the bracket pair.
2825 // else if is_bracket_pair_start && bracket_pair.start.chars().count() == 1 {
2826 // edits.push((selection.start..selection.start, text.clone()));
2827 // edits.push((
2828 // selection.end..selection.end,
2829 // bracket_pair.end.as_str().into(),
2830 // ));
2831 // brace_inserted = true;
2832 // new_selections.push((
2833 // Selection {
2834 // id: selection.id,
2835 // start: snapshot.anchor_after(selection.start),
2836 // end: snapshot.anchor_before(selection.end),
2837 // reversed: selection.reversed,
2838 // goal: selection.goal,
2839 // },
2840 // 0,
2841 // ));
2842 // continue;
2843 // }
2844 // }
2845 // }
2846
2847 // // If not handling any auto-close operation, then just replace the selected
2848 // // text with the given input and move the selection to the end of the
2849 // // newly inserted text.
2850 // let anchor = snapshot.anchor_after(selection.end);
2851 // new_selections.push((selection.map(|_| anchor), 0));
2852 // edits.push((selection.start..selection.end, text.clone()));
2853 // }
2854
2855 // drop(snapshot);
2856 // self.transact(cx, |this, cx| {
2857 // this.buffer.update(cx, |buffer, cx| {
2858 // buffer.edit(edits, this.autoindent_mode.clone(), cx);
2859 // });
2860
2861 // let new_anchor_selections = new_selections.iter().map(|e| &e.0);
2862 // let new_selection_deltas = new_selections.iter().map(|e| e.1);
2863 // let snapshot = this.buffer.read(cx).read(cx);
2864 // let new_selections = resolve_multiple::<usize, _>(new_anchor_selections, &snapshot)
2865 // .zip(new_selection_deltas)
2866 // .map(|(selection, delta)| Selection {
2867 // id: selection.id,
2868 // start: selection.start + delta,
2869 // end: selection.end + delta,
2870 // reversed: selection.reversed,
2871 // goal: SelectionGoal::None,
2872 // })
2873 // .collect::<Vec<_>>();
2874
2875 // let mut i = 0;
2876 // for (position, delta, selection_id, pair) in new_autoclose_regions {
2877 // let position = position.to_offset(&snapshot) + delta;
2878 // let start = snapshot.anchor_before(position);
2879 // let end = snapshot.anchor_after(position);
2880 // while let Some(existing_state) = this.autoclose_regions.get(i) {
2881 // match existing_state.range.start.cmp(&start, &snapshot) {
2882 // Ordering::Less => i += 1,
2883 // Ordering::Greater => break,
2884 // Ordering::Equal => match end.cmp(&existing_state.range.end, &snapshot) {
2885 // Ordering::Less => i += 1,
2886 // Ordering::Equal => break,
2887 // Ordering::Greater => break,
2888 // },
2889 // }
2890 // }
2891 // this.autoclose_regions.insert(
2892 // i,
2893 // AutocloseRegion {
2894 // selection_id,
2895 // range: start..end,
2896 // pair,
2897 // },
2898 // );
2899 // }
2900
2901 // drop(snapshot);
2902 // let had_active_copilot_suggestion = this.has_active_copilot_suggestion(cx);
2903 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
2904
2905 // if !brace_inserted && EditorSettings>(cx).use_on_type_format {
2906 // if let Some(on_type_format_task) =
2907 // this.trigger_on_type_formatting(text.to_string(), cx)
2908 // {
2909 // on_type_format_task.detach_and_log_err(cx);
2910 // }
2911 // }
2912
2913 // if had_active_copilot_suggestion {
2914 // this.refresh_copilot_suggestions(true, cx);
2915 // if !this.has_active_copilot_suggestion(cx) {
2916 // this.trigger_completion_on_input(&text, cx);
2917 // }
2918 // } else {
2919 // this.trigger_completion_on_input(&text, cx);
2920 // this.refresh_copilot_suggestions(true, cx);
2921 // }
2922 // });
2923 // }
2924
2925 // pub fn newline(&mut self, _: &Newline, cx: &mut ViewContext<Self>) {
2926 // self.transact(cx, |this, cx| {
2927 // let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
2928 // let selections = this.selections.all::<usize>(cx);
2929 // let multi_buffer = this.buffer.read(cx);
2930 // let buffer = multi_buffer.snapshot(cx);
2931 // selections
2932 // .iter()
2933 // .map(|selection| {
2934 // let start_point = selection.start.to_point(&buffer);
2935 // let mut indent = buffer.indent_size_for_line(start_point.row);
2936 // indent.len = cmp::min(indent.len, start_point.column);
2937 // let start = selection.start;
2938 // let end = selection.end;
2939 // let is_cursor = start == end;
2940 // let language_scope = buffer.language_scope_at(start);
2941 // let (comment_delimiter, insert_extra_newline) = if let Some(language) =
2942 // &language_scope
2943 // {
2944 // let leading_whitespace_len = buffer
2945 // .reversed_chars_at(start)
2946 // .take_while(|c| c.is_whitespace() && *c != '\n')
2947 // .map(|c| c.len_utf8())
2948 // .sum::<usize>();
2949
2950 // let trailing_whitespace_len = buffer
2951 // .chars_at(end)
2952 // .take_while(|c| c.is_whitespace() && *c != '\n')
2953 // .map(|c| c.len_utf8())
2954 // .sum::<usize>();
2955
2956 // let insert_extra_newline =
2957 // language.brackets().any(|(pair, enabled)| {
2958 // let pair_start = pair.start.trim_end();
2959 // let pair_end = pair.end.trim_start();
2960
2961 // enabled
2962 // && pair.newline
2963 // && buffer.contains_str_at(
2964 // end + trailing_whitespace_len,
2965 // pair_end,
2966 // )
2967 // && buffer.contains_str_at(
2968 // (start - leading_whitespace_len)
2969 // .saturating_sub(pair_start.len()),
2970 // pair_start,
2971 // )
2972 // });
2973 // // Comment extension on newline is allowed only for cursor selections
2974 // let comment_delimiter = language.line_comment_prefix().filter(|_| {
2975 // let is_comment_extension_enabled =
2976 // multi_buffer.settings_at(0, cx).extend_comment_on_newline;
2977 // is_cursor && is_comment_extension_enabled
2978 // });
2979 // let comment_delimiter = if let Some(delimiter) = comment_delimiter {
2980 // buffer
2981 // .buffer_line_for_row(start_point.row)
2982 // .is_some_and(|(snapshot, range)| {
2983 // let mut index_of_first_non_whitespace = 0;
2984 // let line_starts_with_comment = snapshot
2985 // .chars_for_range(range)
2986 // .skip_while(|c| {
2987 // let should_skip = c.is_whitespace();
2988 // if should_skip {
2989 // index_of_first_non_whitespace += 1;
2990 // }
2991 // should_skip
2992 // })
2993 // .take(delimiter.len())
2994 // .eq(delimiter.chars());
2995 // let cursor_is_placed_after_comment_marker =
2996 // index_of_first_non_whitespace + delimiter.len()
2997 // <= start_point.column as usize;
2998 // line_starts_with_comment
2999 // && cursor_is_placed_after_comment_marker
3000 // })
3001 // .then(|| delimiter.clone())
3002 // } else {
3003 // None
3004 // };
3005 // (comment_delimiter, insert_extra_newline)
3006 // } else {
3007 // (None, false)
3008 // };
3009
3010 // let capacity_for_delimiter = comment_delimiter
3011 // .as_deref()
3012 // .map(str::len)
3013 // .unwrap_or_default();
3014 // let mut new_text =
3015 // String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
3016 // new_text.push_str("\n");
3017 // new_text.extend(indent.chars());
3018 // if let Some(delimiter) = &comment_delimiter {
3019 // new_text.push_str(&delimiter);
3020 // }
3021 // if insert_extra_newline {
3022 // new_text = new_text.repeat(2);
3023 // }
3024
3025 // let anchor = buffer.anchor_after(end);
3026 // let new_selection = selection.map(|_| anchor);
3027 // (
3028 // (start..end, new_text),
3029 // (insert_extra_newline, new_selection),
3030 // )
3031 // })
3032 // .unzip()
3033 // };
3034
3035 // this.edit_with_autoindent(edits, cx);
3036 // let buffer = this.buffer.read(cx).snapshot(cx);
3037 // let new_selections = selection_fixup_info
3038 // .into_iter()
3039 // .map(|(extra_newline_inserted, new_selection)| {
3040 // let mut cursor = new_selection.end.to_point(&buffer);
3041 // if extra_newline_inserted {
3042 // cursor.row -= 1;
3043 // cursor.column = buffer.line_len(cursor.row);
3044 // }
3045 // new_selection.map(|_| cursor)
3046 // })
3047 // .collect();
3048
3049 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
3050 // this.refresh_copilot_suggestions(true, cx);
3051 // });
3052 // }
3053
3054 // pub fn newline_above(&mut self, _: &NewlineAbove, cx: &mut ViewContext<Self>) {
3055 // let buffer = self.buffer.read(cx);
3056 // let snapshot = buffer.snapshot(cx);
3057
3058 // let mut edits = Vec::new();
3059 // let mut rows = Vec::new();
3060 // let mut rows_inserted = 0;
3061
3062 // for selection in self.selections.all_adjusted(cx) {
3063 // let cursor = selection.head();
3064 // let row = cursor.row;
3065
3066 // let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
3067
3068 // let newline = "\n".to_string();
3069 // edits.push((start_of_line..start_of_line, newline));
3070
3071 // rows.push(row + rows_inserted);
3072 // rows_inserted += 1;
3073 // }
3074
3075 // self.transact(cx, |editor, cx| {
3076 // editor.edit(edits, cx);
3077
3078 // editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3079 // let mut index = 0;
3080 // s.move_cursors_with(|map, _, _| {
3081 // let row = rows[index];
3082 // index += 1;
3083
3084 // let point = Point::new(row, 0);
3085 // let boundary = map.next_line_boundary(point).1;
3086 // let clipped = map.clip_point(boundary, Bias::Left);
3087
3088 // (clipped, SelectionGoal::None)
3089 // });
3090 // });
3091
3092 // let mut indent_edits = Vec::new();
3093 // let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3094 // for row in rows {
3095 // let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3096 // for (row, indent) in indents {
3097 // if indent.len == 0 {
3098 // continue;
3099 // }
3100
3101 // let text = match indent.kind {
3102 // IndentKind::Space => " ".repeat(indent.len as usize),
3103 // IndentKind::Tab => "\t".repeat(indent.len as usize),
3104 // };
3105 // let point = Point::new(row, 0);
3106 // indent_edits.push((point..point, text));
3107 // }
3108 // }
3109 // editor.edit(indent_edits, cx);
3110 // });
3111 // }
3112
3113 // pub fn newline_below(&mut self, _: &NewlineBelow, cx: &mut ViewContext<Self>) {
3114 // let buffer = self.buffer.read(cx);
3115 // let snapshot = buffer.snapshot(cx);
3116
3117 // let mut edits = Vec::new();
3118 // let mut rows = Vec::new();
3119 // let mut rows_inserted = 0;
3120
3121 // for selection in self.selections.all_adjusted(cx) {
3122 // let cursor = selection.head();
3123 // let row = cursor.row;
3124
3125 // let point = Point::new(row + 1, 0);
3126 // let start_of_line = snapshot.clip_point(point, Bias::Left);
3127
3128 // let newline = "\n".to_string();
3129 // edits.push((start_of_line..start_of_line, newline));
3130
3131 // rows_inserted += 1;
3132 // rows.push(row + rows_inserted);
3133 // }
3134
3135 // self.transact(cx, |editor, cx| {
3136 // editor.edit(edits, cx);
3137
3138 // editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
3139 // let mut index = 0;
3140 // s.move_cursors_with(|map, _, _| {
3141 // let row = rows[index];
3142 // index += 1;
3143
3144 // let point = Point::new(row, 0);
3145 // let boundary = map.next_line_boundary(point).1;
3146 // let clipped = map.clip_point(boundary, Bias::Left);
3147
3148 // (clipped, SelectionGoal::None)
3149 // });
3150 // });
3151
3152 // let mut indent_edits = Vec::new();
3153 // let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
3154 // for row in rows {
3155 // let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
3156 // for (row, indent) in indents {
3157 // if indent.len == 0 {
3158 // continue;
3159 // }
3160
3161 // let text = match indent.kind {
3162 // IndentKind::Space => " ".repeat(indent.len as usize),
3163 // IndentKind::Tab => "\t".repeat(indent.len as usize),
3164 // };
3165 // let point = Point::new(row, 0);
3166 // indent_edits.push((point..point, text));
3167 // }
3168 // }
3169 // editor.edit(indent_edits, cx);
3170 // });
3171 // }
3172
3173 // pub fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3174 // self.insert_with_autoindent_mode(
3175 // text,
3176 // Some(AutoindentMode::Block {
3177 // original_indent_columns: Vec::new(),
3178 // }),
3179 // cx,
3180 // );
3181 // }
3182
3183 fn insert_with_autoindent_mode(
3184 &mut self,
3185 text: &str,
3186 autoindent_mode: Option<AutoindentMode>,
3187 cx: &mut ViewContext<Self>,
3188 ) {
3189 if self.read_only {
3190 return;
3191 }
3192
3193 let text: Arc<str> = text.into();
3194 self.transact(cx, |this, cx| {
3195 let old_selections = this.selections.all_adjusted(cx);
3196 let selection_anchors = this.buffer.update(cx, |buffer, cx| {
3197 let anchors = {
3198 let snapshot = buffer.read(cx);
3199 old_selections
3200 .iter()
3201 .map(|s| {
3202 let anchor = snapshot.anchor_after(s.head());
3203 s.map(|_| anchor)
3204 })
3205 .collect::<Vec<_>>()
3206 };
3207 buffer.edit(
3208 old_selections
3209 .iter()
3210 .map(|s| (s.start..s.end, text.clone())),
3211 autoindent_mode,
3212 cx,
3213 );
3214 anchors
3215 });
3216
3217 this.change_selections(Some(Autoscroll::fit()), cx, |s| {
3218 s.select_anchors(selection_anchors);
3219 })
3220 });
3221 }
3222
3223 // fn trigger_completion_on_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
3224 // if !EditorSettings>(cx).show_completions_on_input {
3225 // return;
3226 // }
3227
3228 // let selection = self.selections.newest_anchor();
3229 // if self
3230 // .buffer
3231 // .read(cx)
3232 // .is_completion_trigger(selection.head(), text, cx)
3233 // {
3234 // self.show_completions(&ShowCompletions, cx);
3235 // } else {
3236 // self.hide_context_menu(cx);
3237 // }
3238 // }
3239
3240 // /// If any empty selections is touching the start of its innermost containing autoclose
3241 // /// region, expand it to select the brackets.
3242 // fn select_autoclose_pair(&mut self, cx: &mut ViewContext<Self>) {
3243 // let selections = self.selections.all::<usize>(cx);
3244 // let buffer = self.buffer.read(cx).read(cx);
3245 // let mut new_selections = Vec::new();
3246 // for (mut selection, region) in self.selections_with_autoclose_regions(selections, &buffer) {
3247 // if let (Some(region), true) = (region, selection.is_empty()) {
3248 // let mut range = region.range.to_offset(&buffer);
3249 // if selection.start == range.start {
3250 // if range.start >= region.pair.start.len() {
3251 // range.start -= region.pair.start.len();
3252 // if buffer.contains_str_at(range.start, ®ion.pair.start) {
3253 // if buffer.contains_str_at(range.end, ®ion.pair.end) {
3254 // range.end += region.pair.end.len();
3255 // selection.start = range.start;
3256 // selection.end = range.end;
3257 // }
3258 // }
3259 // }
3260 // }
3261 // }
3262 // new_selections.push(selection);
3263 // }
3264
3265 // drop(buffer);
3266 // self.change_selections(None, cx, |selections| selections.select(new_selections));
3267 // }
3268
3269 // /// Iterate the given selections, and for each one, find the smallest surrounding
3270 // /// autoclose region. This uses the ordering of the selections and the autoclose
3271 // /// regions to avoid repeated comparisons.
3272 // fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
3273 // &'a self,
3274 // selections: impl IntoIterator<Item = Selection<D>>,
3275 // buffer: &'a MultiBufferSnapshot,
3276 // ) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
3277 // let mut i = 0;
3278 // let mut regions = self.autoclose_regions.as_slice();
3279 // selections.into_iter().map(move |selection| {
3280 // let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
3281
3282 // let mut enclosing = None;
3283 // while let Some(pair_state) = regions.get(i) {
3284 // if pair_state.range.end.to_offset(buffer) < range.start {
3285 // regions = ®ions[i + 1..];
3286 // i = 0;
3287 // } else if pair_state.range.start.to_offset(buffer) > range.end {
3288 // break;
3289 // } else {
3290 // if pair_state.selection_id == selection.id {
3291 // enclosing = Some(pair_state);
3292 // }
3293 // i += 1;
3294 // }
3295 // }
3296
3297 // (selection.clone(), enclosing)
3298 // })
3299 // }
3300
3301 /// Remove any autoclose regions that no longer contain their selection.
3302 fn invalidate_autoclose_regions(
3303 &mut self,
3304 mut selections: &[Selection<Anchor>],
3305 buffer: &MultiBufferSnapshot,
3306 ) {
3307 self.autoclose_regions.retain(|state| {
3308 let mut i = 0;
3309 while let Some(selection) = selections.get(i) {
3310 if selection.end.cmp(&state.range.start, buffer).is_lt() {
3311 selections = &selections[1..];
3312 continue;
3313 }
3314 if selection.start.cmp(&state.range.end, buffer).is_gt() {
3315 break;
3316 }
3317 if selection.id == state.selection_id {
3318 return true;
3319 } else {
3320 i += 1;
3321 }
3322 }
3323 false
3324 });
3325 }
3326
3327 fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
3328 let offset = position.to_offset(buffer);
3329 let (word_range, kind) = buffer.surrounding_word(offset);
3330 if offset > word_range.start && kind == Some(CharKind::Word) {
3331 Some(
3332 buffer
3333 .text_for_range(word_range.start..offset)
3334 .collect::<String>(),
3335 )
3336 } else {
3337 None
3338 }
3339 }
3340
3341 // pub fn toggle_inlay_hints(&mut self, _: &ToggleInlayHints, cx: &mut ViewContext<Self>) {
3342 // todo!();
3343 // // self.refresh_inlay_hints(
3344 // // InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
3345 // // cx,
3346 // // );
3347 // }
3348
3349 // pub fn inlay_hints_enabled(&self) -> bool {
3350 // todo!();
3351 // self.inlay_hint_cache.enabled
3352 // }
3353
3354 fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut ViewContext<Self>) {
3355 if self.project.is_none() || self.mode != EditorMode::Full {
3356 return;
3357 }
3358
3359 let reason_description = reason.description();
3360 let (invalidate_cache, required_languages) = match reason {
3361 InlayHintRefreshReason::Toggle(enabled) => {
3362 self.inlay_hint_cache.enabled = enabled;
3363 if enabled {
3364 (InvalidationStrategy::RefreshRequested, None)
3365 } else {
3366 self.inlay_hint_cache.clear();
3367 self.splice_inlay_hints(
3368 self.visible_inlay_hints(cx)
3369 .iter()
3370 .map(|inlay| inlay.id)
3371 .collect(),
3372 Vec::new(),
3373 cx,
3374 );
3375 return;
3376 }
3377 }
3378 InlayHintRefreshReason::SettingsChange(new_settings) => {
3379 match self.inlay_hint_cache.update_settings(
3380 &self.buffer,
3381 new_settings,
3382 self.visible_inlay_hints(cx),
3383 cx,
3384 ) {
3385 ControlFlow::Break(Some(InlaySplice {
3386 to_remove,
3387 to_insert,
3388 })) => {
3389 self.splice_inlay_hints(to_remove, to_insert, cx);
3390 return;
3391 }
3392 ControlFlow::Break(None) => return,
3393 ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
3394 }
3395 }
3396 InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
3397 if let Some(InlaySplice {
3398 to_remove,
3399 to_insert,
3400 }) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
3401 {
3402 self.splice_inlay_hints(to_remove, to_insert, cx);
3403 }
3404 return;
3405 }
3406 InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
3407 InlayHintRefreshReason::BufferEdited(buffer_languages) => {
3408 (InvalidationStrategy::BufferEdited, Some(buffer_languages))
3409 }
3410 InlayHintRefreshReason::RefreshRequested => {
3411 (InvalidationStrategy::RefreshRequested, None)
3412 }
3413 };
3414
3415 if let Some(InlaySplice {
3416 to_remove,
3417 to_insert,
3418 }) = self.inlay_hint_cache.spawn_hint_refresh(
3419 reason_description,
3420 self.excerpt_visible_offsets(required_languages.as_ref(), cx),
3421 invalidate_cache,
3422 cx,
3423 ) {
3424 self.splice_inlay_hints(to_remove, to_insert, cx);
3425 }
3426 }
3427
3428 fn visible_inlay_hints(&self, cx: &ViewContext<'_, Editor>) -> Vec<Inlay> {
3429 self.display_map
3430 .read(cx)
3431 .current_inlays()
3432 .filter(move |inlay| {
3433 Some(inlay.id) != self.copilot_state.suggestion.as_ref().map(|h| h.id)
3434 })
3435 .cloned()
3436 .collect()
3437 }
3438
3439 pub fn excerpt_visible_offsets(
3440 &self,
3441 restrict_to_languages: Option<&HashSet<Arc<Language>>>,
3442 cx: &mut ViewContext<Editor>,
3443 ) -> HashMap<ExcerptId, (Model<Buffer>, clock::Global, Range<usize>)> {
3444 let multi_buffer = self.buffer().read(cx);
3445 let multi_buffer_snapshot = multi_buffer.snapshot(cx);
3446 let multi_buffer_visible_start = self
3447 .scroll_manager
3448 .anchor()
3449 .anchor
3450 .to_point(&multi_buffer_snapshot);
3451 let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
3452 multi_buffer_visible_start
3453 + Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
3454 Bias::Left,
3455 );
3456 let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
3457 multi_buffer
3458 .range_to_buffer_ranges(multi_buffer_visible_range, cx)
3459 .into_iter()
3460 .filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
3461 .filter_map(|(buffer_handle, excerpt_visible_range, excerpt_id)| {
3462 let buffer = buffer_handle.read(cx);
3463 let language = buffer.language()?;
3464 if let Some(restrict_to_languages) = restrict_to_languages {
3465 if !restrict_to_languages.contains(language) {
3466 return None;
3467 }
3468 }
3469 Some((
3470 excerpt_id,
3471 (
3472 buffer_handle,
3473 buffer.version().clone(),
3474 excerpt_visible_range,
3475 ),
3476 ))
3477 })
3478 .collect()
3479 }
3480
3481 // pub fn text_layout_details(&self, cx: &WindowContext) -> TextLayoutDetails {
3482 // TextLayoutDetails {
3483 // font_cache: cx.font_cache().clone(),
3484 // text_layout_cache: cx.text_layout_cache().clone(),
3485 // editor_style: self.style(cx),
3486 // }
3487 // }
3488
3489 fn splice_inlay_hints(
3490 &self,
3491 to_remove: Vec<InlayId>,
3492 to_insert: Vec<Inlay>,
3493 cx: &mut ViewContext<Self>,
3494 ) {
3495 self.display_map.update(cx, |display_map, cx| {
3496 display_map.splice_inlays(to_remove, to_insert, cx);
3497 });
3498 cx.notify();
3499 }
3500
3501 // fn trigger_on_type_formatting(
3502 // &self,
3503 // input: String,
3504 // cx: &mut ViewContext<Self>,
3505 // ) -> Option<Task<Result<()>>> {
3506 // if input.len() != 1 {
3507 // return None;
3508 // }
3509
3510 // let project = self.project.as_ref()?;
3511 // let position = self.selections.newest_anchor().head();
3512 // let (buffer, buffer_position) = self
3513 // .buffer
3514 // .read(cx)
3515 // .text_anchor_for_position(position.clone(), cx)?;
3516
3517 // // OnTypeFormatting returns a list of edits, no need to pass them between Zed instances,
3518 // // hence we do LSP request & edit on host side only — add formats to host's history.
3519 // let push_to_lsp_host_history = true;
3520 // // If this is not the host, append its history with new edits.
3521 // let push_to_client_history = project.read(cx).is_remote();
3522
3523 // let on_type_formatting = project.update(cx, |project, cx| {
3524 // project.on_type_format(
3525 // buffer.clone(),
3526 // buffer_position,
3527 // input,
3528 // push_to_lsp_host_history,
3529 // cx,
3530 // )
3531 // });
3532 // Some(cx.spawn(|editor, mut cx| async move {
3533 // if let Some(transaction) = on_type_formatting.await? {
3534 // if push_to_client_history {
3535 // buffer.update(&mut cx, |buffer, _| {
3536 // buffer.push_transaction(transaction, Instant::now());
3537 // });
3538 // }
3539 // editor.update(&mut cx, |editor, cx| {
3540 // editor.refresh_document_highlights(cx);
3541 // })?;
3542 // }
3543 // Ok(())
3544 // }))
3545 // }
3546
3547 fn show_completions(&mut self, _: &ShowCompletions, cx: &mut ViewContext<Self>) {
3548 if self.pending_rename.is_some() {
3549 return;
3550 }
3551
3552 let project = if let Some(project) = self.project.clone() {
3553 project
3554 } else {
3555 return;
3556 };
3557
3558 let position = self.selections.newest_anchor().head();
3559 let (buffer, buffer_position) = if let Some(output) = self
3560 .buffer
3561 .read(cx)
3562 .text_anchor_for_position(position.clone(), cx)
3563 {
3564 output
3565 } else {
3566 return;
3567 };
3568
3569 let query = Self::completion_query(&self.buffer.read(cx).read(cx), position.clone());
3570 let completions = project.update(cx, |project, cx| {
3571 project.completions(&buffer, buffer_position, cx)
3572 });
3573
3574 let id = post_inc(&mut self.next_completion_id);
3575 let task = cx.spawn(|this, mut cx| {
3576 async move {
3577 let menu = if let Some(completions) = completions.await.log_err() {
3578 let mut menu = CompletionsMenu {
3579 id,
3580 initial_position: position,
3581 match_candidates: completions
3582 .iter()
3583 .enumerate()
3584 .map(|(id, completion)| {
3585 StringMatchCandidate::new(
3586 id,
3587 completion.label.text[completion.label.filter_range.clone()]
3588 .into(),
3589 )
3590 })
3591 .collect(),
3592 buffer,
3593 completions: Arc::new(RwLock::new(completions.into())),
3594 matches: Vec::new().into(),
3595 selected_item: 0,
3596 list: Default::default(),
3597 };
3598 menu.filter(query.as_deref(), cx.background_executor().clone())
3599 .await;
3600 if menu.matches.is_empty() {
3601 None
3602 } else {
3603 _ = this.update(&mut cx, |editor, cx| {
3604 menu.pre_resolve_completion_documentation(editor.project.clone(), cx);
3605 });
3606 Some(menu)
3607 }
3608 } else {
3609 None
3610 };
3611
3612 this.update(&mut cx, |this, cx| {
3613 this.completion_tasks.retain(|(task_id, _)| *task_id > id);
3614
3615 let mut context_menu = this.context_menu.write();
3616 match context_menu.as_ref() {
3617 None => {}
3618
3619 Some(ContextMenu::Completions(prev_menu)) => {
3620 if prev_menu.id > id {
3621 return;
3622 }
3623 }
3624
3625 _ => return,
3626 }
3627
3628 if this.focused && menu.is_some() {
3629 let menu = menu.unwrap();
3630 *context_menu = Some(ContextMenu::Completions(menu));
3631 drop(context_menu);
3632 this.discard_copilot_suggestion(cx);
3633 cx.notify();
3634 } else if this.completion_tasks.is_empty() {
3635 // If there are no more completion tasks and the last menu was
3636 // empty, we should hide it. If it was already hidden, we should
3637 // also show the copilot suggestion when available.
3638 drop(context_menu);
3639 if this.hide_context_menu(cx).is_none() {
3640 this.update_visible_copilot_suggestion(cx);
3641 }
3642 }
3643 })?;
3644
3645 Ok::<_, anyhow::Error>(())
3646 }
3647 .log_err()
3648 });
3649 self.completion_tasks.push((id, task));
3650 }
3651
3652 // pub fn confirm_completion(
3653 // &mut self,
3654 // action: &ConfirmCompletion,
3655 // cx: &mut ViewContext<Self>,
3656 // ) -> Option<Task<Result<()>>> {
3657 // use language::ToOffset as _;
3658
3659 // let completions_menu = if let ContextMenu::Completions(menu) = self.hide_context_menu(cx)? {
3660 // menu
3661 // } else {
3662 // return None;
3663 // };
3664
3665 // let mat = completions_menu
3666 // .matches
3667 // .get(action.item_ix.unwrap_or(completions_menu.selected_item))?;
3668 // let buffer_handle = completions_menu.buffer;
3669 // let completions = completions_menu.completions.read();
3670 // let completion = completions.get(mat.candidate_id)?;
3671
3672 // let snippet;
3673 // let text;
3674 // if completion.is_snippet() {
3675 // snippet = Some(Snippet::parse(&completion.new_text).log_err()?);
3676 // text = snippet.as_ref().unwrap().text.clone();
3677 // } else {
3678 // snippet = None;
3679 // text = completion.new_text.clone();
3680 // };
3681 // let selections = self.selections.all::<usize>(cx);
3682 // let buffer = buffer_handle.read(cx);
3683 // let old_range = completion.old_range.to_offset(buffer);
3684 // let old_text = buffer.text_for_range(old_range.clone()).collect::<String>();
3685
3686 // let newest_selection = self.selections.newest_anchor();
3687 // if newest_selection.start.buffer_id != Some(buffer_handle.read(cx).remote_id()) {
3688 // return None;
3689 // }
3690
3691 // let lookbehind = newest_selection
3692 // .start
3693 // .text_anchor
3694 // .to_offset(buffer)
3695 // .saturating_sub(old_range.start);
3696 // let lookahead = old_range
3697 // .end
3698 // .saturating_sub(newest_selection.end.text_anchor.to_offset(buffer));
3699 // let mut common_prefix_len = old_text
3700 // .bytes()
3701 // .zip(text.bytes())
3702 // .take_while(|(a, b)| a == b)
3703 // .count();
3704
3705 // let snapshot = self.buffer.read(cx).snapshot(cx);
3706 // let mut range_to_replace: Option<Range<isize>> = None;
3707 // let mut ranges = Vec::new();
3708 // for selection in &selections {
3709 // if snapshot.contains_str_at(selection.start.saturating_sub(lookbehind), &old_text) {
3710 // let start = selection.start.saturating_sub(lookbehind);
3711 // let end = selection.end + lookahead;
3712 // if selection.id == newest_selection.id {
3713 // range_to_replace = Some(
3714 // ((start + common_prefix_len) as isize - selection.start as isize)
3715 // ..(end as isize - selection.start as isize),
3716 // );
3717 // }
3718 // ranges.push(start + common_prefix_len..end);
3719 // } else {
3720 // common_prefix_len = 0;
3721 // ranges.clear();
3722 // ranges.extend(selections.iter().map(|s| {
3723 // if s.id == newest_selection.id {
3724 // range_to_replace = Some(
3725 // old_range.start.to_offset_utf16(&snapshot).0 as isize
3726 // - selection.start as isize
3727 // ..old_range.end.to_offset_utf16(&snapshot).0 as isize
3728 // - selection.start as isize,
3729 // );
3730 // old_range.clone()
3731 // } else {
3732 // s.start..s.end
3733 // }
3734 // }));
3735 // break;
3736 // }
3737 // }
3738 // let text = &text[common_prefix_len..];
3739
3740 // cx.emit(Event::InputHandled {
3741 // utf16_range_to_replace: range_to_replace,
3742 // text: text.into(),
3743 // });
3744
3745 // self.transact(cx, |this, cx| {
3746 // if let Some(mut snippet) = snippet {
3747 // snippet.text = text.to_string();
3748 // for tabstop in snippet.tabstops.iter_mut().flatten() {
3749 // tabstop.start -= common_prefix_len as isize;
3750 // tabstop.end -= common_prefix_len as isize;
3751 // }
3752
3753 // this.insert_snippet(&ranges, snippet, cx).log_err();
3754 // } else {
3755 // this.buffer.update(cx, |buffer, cx| {
3756 // buffer.edit(
3757 // ranges.iter().map(|range| (range.clone(), text)),
3758 // this.autoindent_mode.clone(),
3759 // cx,
3760 // );
3761 // });
3762 // }
3763
3764 // this.refresh_copilot_suggestions(true, cx);
3765 // });
3766
3767 // let project = self.project.clone()?;
3768 // let apply_edits = project.update(cx, |project, cx| {
3769 // project.apply_additional_edits_for_completion(
3770 // buffer_handle,
3771 // completion.clone(),
3772 // true,
3773 // cx,
3774 // )
3775 // });
3776 // Some(cx.foreground().spawn(async move {
3777 // apply_edits.await?;
3778 // Ok(())
3779 // }))
3780 // }
3781
3782 // pub fn toggle_code_actions(&mut self, action: &ToggleCodeActions, cx: &mut ViewContext<Self>) {
3783 // let mut context_menu = self.context_menu.write();
3784 // if matches!(context_menu.as_ref(), Some(ContextMenu::CodeActions(_))) {
3785 // *context_menu = None;
3786 // cx.notify();
3787 // return;
3788 // }
3789 // drop(context_menu);
3790
3791 // let deployed_from_indicator = action.deployed_from_indicator;
3792 // let mut task = self.code_actions_task.take();
3793 // cx.spawn(|this, mut cx| async move {
3794 // while let Some(prev_task) = task {
3795 // prev_task.await;
3796 // task = this.update(&mut cx, |this, _| this.code_actions_task.take())?;
3797 // }
3798
3799 // this.update(&mut cx, |this, cx| {
3800 // if this.focused {
3801 // if let Some((buffer, actions)) = this.available_code_actions.clone() {
3802 // this.completion_tasks.clear();
3803 // this.discard_copilot_suggestion(cx);
3804 // *this.context_menu.write() =
3805 // Some(ContextMenu::CodeActions(CodeActionsMenu {
3806 // buffer,
3807 // actions,
3808 // selected_item: Default::default(),
3809 // list: Default::default(),
3810 // deployed_from_indicator,
3811 // }));
3812 // }
3813 // }
3814 // })?;
3815
3816 // Ok::<_, anyhow::Error>(())
3817 // })
3818 // .detach_and_log_err(cx);
3819 // }
3820
3821 // pub fn confirm_code_action(
3822 // workspace: &mut Workspace,
3823 // action: &ConfirmCodeAction,
3824 // cx: &mut ViewContext<Workspace>,
3825 // ) -> Option<Task<Result<()>>> {
3826 // let editor = workspace.active_item(cx)?.act_as::<Editor>(cx)?;
3827 // let actions_menu = if let ContextMenu::CodeActions(menu) =
3828 // editor.update(cx, |editor, cx| editor.hide_context_menu(cx))?
3829 // {
3830 // menu
3831 // } else {
3832 // return None;
3833 // };
3834 // let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
3835 // let action = actions_menu.actions.get(action_ix)?.clone();
3836 // let title = action.lsp_action.title.clone();
3837 // let buffer = actions_menu.buffer;
3838
3839 // let apply_code_actions = workspace.project().clone().update(cx, |project, cx| {
3840 // project.apply_code_action(buffer, action, true, cx)
3841 // });
3842 // let editor = editor.downgrade();
3843 // Some(cx.spawn(|workspace, cx| async move {
3844 // let project_transaction = apply_code_actions.await?;
3845 // Self::open_project_transaction(&editor, workspace, project_transaction, title, cx).await
3846 // }))
3847 // }
3848
3849 // async fn open_project_transaction(
3850 // this: &WeakViewHandle<Editor
3851 // workspace: WeakViewHandle<Workspace
3852 // transaction: ProjectTransaction,
3853 // title: String,
3854 // mut cx: AsyncAppContext,
3855 // ) -> Result<()> {
3856 // let replica_id = this.read_with(&cx, |this, cx| this.replica_id(cx))?;
3857
3858 // let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
3859 // entries.sort_unstable_by_key(|(buffer, _)| {
3860 // buffer.read_with(&cx, |buffer, _| buffer.file().map(|f| f.path().clone()))
3861 // });
3862
3863 // // If the project transaction's edits are all contained within this editor, then
3864 // // avoid opening a new editor to display them.
3865
3866 // if let Some((buffer, transaction)) = entries.first() {
3867 // if entries.len() == 1 {
3868 // let excerpt = this.read_with(&cx, |editor, cx| {
3869 // editor
3870 // .buffer()
3871 // .read(cx)
3872 // .excerpt_containing(editor.selections.newest_anchor().head(), cx)
3873 // })?;
3874 // if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
3875 // if excerpted_buffer == *buffer {
3876 // let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
3877 // let excerpt_range = excerpt_range.to_offset(buffer);
3878 // buffer
3879 // .edited_ranges_for_transaction::<usize>(transaction)
3880 // .all(|range| {
3881 // excerpt_range.start <= range.start
3882 // && excerpt_range.end >= range.end
3883 // })
3884 // });
3885
3886 // if all_edits_within_excerpt {
3887 // return Ok(());
3888 // }
3889 // }
3890 // }
3891 // }
3892 // } else {
3893 // return Ok(());
3894 // }
3895
3896 // let mut ranges_to_highlight = Vec::new();
3897 // let excerpt_buffer = cx.build_model(|cx| {
3898 // let mut multibuffer = MultiBuffer::new(replica_id).with_title(title);
3899 // for (buffer_handle, transaction) in &entries {
3900 // let buffer = buffer_handle.read(cx);
3901 // ranges_to_highlight.extend(
3902 // multibuffer.push_excerpts_with_context_lines(
3903 // buffer_handle.clone(),
3904 // buffer
3905 // .edited_ranges_for_transaction::<usize>(transaction)
3906 // .collect(),
3907 // 1,
3908 // cx,
3909 // ),
3910 // );
3911 // }
3912 // multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
3913 // multibuffer
3914 // });
3915
3916 // workspace.update(&mut cx, |workspace, cx| {
3917 // let project = workspace.project().clone();
3918 // let editor =
3919 // cx.add_view(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), cx));
3920 // workspace.add_item(Box::new(editor.clone()), cx);
3921 // editor.update(cx, |editor, cx| {
3922 // editor.highlight_background::<Self>(
3923 // ranges_to_highlight,
3924 // |theme| theme.editor.highlighted_line_background,
3925 // cx,
3926 // );
3927 // });
3928 // })?;
3929
3930 // Ok(())
3931 // }
3932
3933 fn refresh_code_actions(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
3934 let project = self.project.clone()?;
3935 let buffer = self.buffer.read(cx);
3936 let newest_selection = self.selections.newest_anchor().clone();
3937 let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
3938 let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
3939 if start_buffer != end_buffer {
3940 return None;
3941 }
3942
3943 self.code_actions_task = Some(cx.spawn(|this, mut cx| async move {
3944 cx.background_executor()
3945 .timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
3946 .await;
3947
3948 let actions = if let Ok(code_actions) = project.update(&mut cx, |project, cx| {
3949 project.code_actions(&start_buffer, start..end, cx)
3950 }) {
3951 code_actions.await.log_err()
3952 } else {
3953 None
3954 };
3955
3956 this.update(&mut cx, |this, cx| {
3957 this.available_code_actions = actions.and_then(|actions| {
3958 if actions.is_empty() {
3959 None
3960 } else {
3961 Some((start_buffer, actions.into()))
3962 }
3963 });
3964 cx.notify();
3965 })
3966 .log_err();
3967 }));
3968 None
3969 }
3970
3971 fn refresh_document_highlights(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
3972 if self.pending_rename.is_some() {
3973 return None;
3974 }
3975
3976 let project = self.project.clone()?;
3977 let buffer = self.buffer.read(cx);
3978 let newest_selection = self.selections.newest_anchor().clone();
3979 let cursor_position = newest_selection.head();
3980 let (cursor_buffer, cursor_buffer_position) =
3981 buffer.text_anchor_for_position(cursor_position.clone(), cx)?;
3982 let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
3983 if cursor_buffer != tail_buffer {
3984 return None;
3985 }
3986
3987 self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
3988 cx.background_executor()
3989 .timer(DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT)
3990 .await;
3991
3992 let highlights = if let Some(highlights) = project
3993 .update(&mut cx, |project, cx| {
3994 project.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
3995 })
3996 .log_err()
3997 {
3998 highlights.await.log_err()
3999 } else {
4000 None
4001 };
4002
4003 if let Some(highlights) = highlights {
4004 this.update(&mut cx, |this, cx| {
4005 if this.pending_rename.is_some() {
4006 return;
4007 }
4008
4009 let buffer_id = cursor_position.buffer_id;
4010 let buffer = this.buffer.read(cx);
4011 if !buffer
4012 .text_anchor_for_position(cursor_position, cx)
4013 .map_or(false, |(buffer, _)| buffer == cursor_buffer)
4014 {
4015 return;
4016 }
4017
4018 let cursor_buffer_snapshot = cursor_buffer.read(cx);
4019 let mut write_ranges = Vec::new();
4020 let mut read_ranges = Vec::new();
4021 for highlight in highlights {
4022 for (excerpt_id, excerpt_range) in
4023 buffer.excerpts_for_buffer(&cursor_buffer, cx)
4024 {
4025 let start = highlight
4026 .range
4027 .start
4028 .max(&excerpt_range.context.start, cursor_buffer_snapshot);
4029 let end = highlight
4030 .range
4031 .end
4032 .min(&excerpt_range.context.end, cursor_buffer_snapshot);
4033 if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
4034 continue;
4035 }
4036
4037 let range = Anchor {
4038 buffer_id,
4039 excerpt_id: excerpt_id.clone(),
4040 text_anchor: start,
4041 }..Anchor {
4042 buffer_id,
4043 excerpt_id,
4044 text_anchor: end,
4045 };
4046 if highlight.kind == lsp::DocumentHighlightKind::WRITE {
4047 write_ranges.push(range);
4048 } else {
4049 read_ranges.push(range);
4050 }
4051 }
4052 }
4053
4054 this.highlight_background::<DocumentHighlightRead>(
4055 read_ranges,
4056 |theme| todo!("theme.editor.document_highlight_read_background"),
4057 cx,
4058 );
4059 this.highlight_background::<DocumentHighlightWrite>(
4060 write_ranges,
4061 |theme| todo!("theme.editor.document_highlight_write_background"),
4062 cx,
4063 );
4064 cx.notify();
4065 })
4066 .log_err();
4067 }
4068 }));
4069 None
4070 }
4071
4072 fn refresh_copilot_suggestions(
4073 &mut self,
4074 debounce: bool,
4075 cx: &mut ViewContext<Self>,
4076 ) -> Option<()> {
4077 let copilot = Copilot::global(cx)?;
4078 if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
4079 self.clear_copilot_suggestions(cx);
4080 return None;
4081 }
4082 self.update_visible_copilot_suggestion(cx);
4083
4084 let snapshot = self.buffer.read(cx).snapshot(cx);
4085 let cursor = self.selections.newest_anchor().head();
4086 if !self.is_copilot_enabled_at(cursor, &snapshot, cx) {
4087 self.clear_copilot_suggestions(cx);
4088 return None;
4089 }
4090
4091 let (buffer, buffer_position) =
4092 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4093 self.copilot_state.pending_refresh = cx.spawn(|this, mut cx| async move {
4094 if debounce {
4095 cx.background_executor()
4096 .timer(COPILOT_DEBOUNCE_TIMEOUT)
4097 .await;
4098 }
4099
4100 let completions = copilot
4101 .update(&mut cx, |copilot, cx| {
4102 copilot.completions(&buffer, buffer_position, cx)
4103 })
4104 .log_err()
4105 .unwrap_or(Task::ready(Ok(Vec::new())))
4106 .await
4107 .log_err()
4108 .into_iter()
4109 .flatten()
4110 .collect_vec();
4111
4112 this.update(&mut cx, |this, cx| {
4113 if !completions.is_empty() {
4114 this.copilot_state.cycled = false;
4115 this.copilot_state.pending_cycling_refresh = Task::ready(None);
4116 this.copilot_state.completions.clear();
4117 this.copilot_state.active_completion_index = 0;
4118 this.copilot_state.excerpt_id = Some(cursor.excerpt_id);
4119 for completion in completions {
4120 this.copilot_state.push_completion(completion);
4121 }
4122 this.update_visible_copilot_suggestion(cx);
4123 }
4124 })
4125 .log_err()?;
4126 Some(())
4127 });
4128
4129 Some(())
4130 }
4131
4132 fn cycle_copilot_suggestions(
4133 &mut self,
4134 direction: Direction,
4135 cx: &mut ViewContext<Self>,
4136 ) -> Option<()> {
4137 let copilot = Copilot::global(cx)?;
4138 if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
4139 return None;
4140 }
4141
4142 if self.copilot_state.cycled {
4143 self.copilot_state.cycle_completions(direction);
4144 self.update_visible_copilot_suggestion(cx);
4145 } else {
4146 let cursor = self.selections.newest_anchor().head();
4147 let (buffer, buffer_position) =
4148 self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
4149 self.copilot_state.pending_cycling_refresh = cx.spawn(|this, mut cx| async move {
4150 let completions = copilot
4151 .update(&mut cx, |copilot, cx| {
4152 copilot.completions_cycling(&buffer, buffer_position, cx)
4153 })
4154 .log_err()?
4155 .await;
4156
4157 this.update(&mut cx, |this, cx| {
4158 this.copilot_state.cycled = true;
4159 for completion in completions.log_err().into_iter().flatten() {
4160 this.copilot_state.push_completion(completion);
4161 }
4162 this.copilot_state.cycle_completions(direction);
4163 this.update_visible_copilot_suggestion(cx);
4164 })
4165 .log_err()?;
4166
4167 Some(())
4168 });
4169 }
4170
4171 Some(())
4172 }
4173
4174 fn copilot_suggest(&mut self, _: &copilot::Suggest, cx: &mut ViewContext<Self>) {
4175 if !self.has_active_copilot_suggestion(cx) {
4176 self.refresh_copilot_suggestions(false, cx);
4177 return;
4178 }
4179
4180 self.update_visible_copilot_suggestion(cx);
4181 }
4182
4183 fn next_copilot_suggestion(&mut self, _: &copilot::NextSuggestion, cx: &mut ViewContext<Self>) {
4184 if self.has_active_copilot_suggestion(cx) {
4185 self.cycle_copilot_suggestions(Direction::Next, cx);
4186 } else {
4187 let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
4188 if is_copilot_disabled {
4189 todo!();
4190 // cx.propagate();
4191 }
4192 }
4193 }
4194
4195 fn previous_copilot_suggestion(
4196 &mut self,
4197 _: &copilot::PreviousSuggestion,
4198 cx: &mut ViewContext<Self>,
4199 ) {
4200 if self.has_active_copilot_suggestion(cx) {
4201 self.cycle_copilot_suggestions(Direction::Prev, cx);
4202 } else {
4203 let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
4204 if is_copilot_disabled {
4205 todo!();
4206 // cx.propagate_action();
4207 }
4208 }
4209 }
4210
4211 fn accept_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
4212 if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
4213 if let Some((copilot, completion)) =
4214 Copilot::global(cx).zip(self.copilot_state.active_completion())
4215 {
4216 copilot
4217 .update(cx, |copilot, cx| copilot.accept_completion(completion, cx))
4218 .detach_and_log_err(cx);
4219
4220 self.report_copilot_event(Some(completion.uuid.clone()), true, cx)
4221 }
4222 cx.emit(Event::InputHandled {
4223 utf16_range_to_replace: None,
4224 text: suggestion.text.to_string().into(),
4225 });
4226 self.insert_with_autoindent_mode(&suggestion.text.to_string(), None, cx);
4227 cx.notify();
4228 true
4229 } else {
4230 false
4231 }
4232 }
4233
4234 fn discard_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
4235 if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
4236 if let Some(copilot) = Copilot::global(cx) {
4237 copilot
4238 .update(cx, |copilot, cx| {
4239 copilot.discard_completions(&self.copilot_state.completions, cx)
4240 })
4241 .detach_and_log_err(cx);
4242
4243 self.report_copilot_event(None, false, cx)
4244 }
4245
4246 self.display_map.update(cx, |map, cx| {
4247 map.splice_inlays(vec![suggestion.id], Vec::new(), cx)
4248 });
4249 cx.notify();
4250 true
4251 } else {
4252 false
4253 }
4254 }
4255
4256 fn is_copilot_enabled_at(
4257 &self,
4258 location: Anchor,
4259 snapshot: &MultiBufferSnapshot,
4260 cx: &mut ViewContext<Self>,
4261 ) -> bool {
4262 let file = snapshot.file_at(location);
4263 let language = snapshot.language_at(location);
4264 let settings = all_language_settings(file, cx);
4265 settings.copilot_enabled(language, file.map(|f| f.path().as_ref()))
4266 }
4267
4268 fn has_active_copilot_suggestion(&self, cx: &AppContext) -> bool {
4269 if let Some(suggestion) = self.copilot_state.suggestion.as_ref() {
4270 let buffer = self.buffer.read(cx).read(cx);
4271 suggestion.position.is_valid(&buffer)
4272 } else {
4273 false
4274 }
4275 }
4276
4277 fn take_active_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<Inlay> {
4278 let suggestion = self.copilot_state.suggestion.take()?;
4279 self.display_map.update(cx, |map, cx| {
4280 map.splice_inlays(vec![suggestion.id], Default::default(), cx);
4281 });
4282 let buffer = self.buffer.read(cx).read(cx);
4283
4284 if suggestion.position.is_valid(&buffer) {
4285 Some(suggestion)
4286 } else {
4287 None
4288 }
4289 }
4290
4291 fn update_visible_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) {
4292 let snapshot = self.buffer.read(cx).snapshot(cx);
4293 let selection = self.selections.newest_anchor();
4294 let cursor = selection.head();
4295
4296 if self.context_menu.read().is_some()
4297 || !self.completion_tasks.is_empty()
4298 || selection.start != selection.end
4299 {
4300 self.discard_copilot_suggestion(cx);
4301 } else if let Some(text) = self
4302 .copilot_state
4303 .text_for_active_completion(cursor, &snapshot)
4304 {
4305 let text = Rope::from(text);
4306 let mut to_remove = Vec::new();
4307 if let Some(suggestion) = self.copilot_state.suggestion.take() {
4308 to_remove.push(suggestion.id);
4309 }
4310
4311 let suggestion_inlay =
4312 Inlay::suggestion(post_inc(&mut self.next_inlay_id), cursor, text);
4313 self.copilot_state.suggestion = Some(suggestion_inlay.clone());
4314 self.display_map.update(cx, move |map, cx| {
4315 map.splice_inlays(to_remove, vec![suggestion_inlay], cx)
4316 });
4317 cx.notify();
4318 } else {
4319 self.discard_copilot_suggestion(cx);
4320 }
4321 }
4322
4323 fn clear_copilot_suggestions(&mut self, cx: &mut ViewContext<Self>) {
4324 self.copilot_state = Default::default();
4325 self.discard_copilot_suggestion(cx);
4326 }
4327
4328 // pub fn render_code_actions_indicator(
4329 // &self,
4330 // style: &EditorStyle,
4331 // is_active: bool,
4332 // cx: &mut ViewContext<Self>,
4333 // ) -> Option<AnyElement<Self>> {
4334 // if self.available_code_actions.is_some() {
4335 // enum CodeActions {}
4336 // Some(
4337 // MouseEventHandler::new::<CodeActions, _>(0, cx, |state, _| {
4338 // Svg::new("icons/bolt.svg").with_color(
4339 // style
4340 // .code_actions
4341 // .indicator
4342 // .in_state(is_active)
4343 // .style_for(state)
4344 // .color,
4345 // )
4346 // })
4347 // .with_cursor_style(CursorStyle::PointingHand)
4348 // .with_padding(Padding::uniform(3.))
4349 // .on_down(MouseButton::Left, |_, this, cx| {
4350 // this.toggle_code_actions(
4351 // &ToggleCodeActions {
4352 // deployed_from_indicator: true,
4353 // },
4354 // cx,
4355 // );
4356 // })
4357 // .into_any(),
4358 // )
4359 // } else {
4360 // None
4361 // }
4362 // }
4363
4364 // pub fn render_fold_indicators(
4365 // &self,
4366 // fold_data: Vec<Option<(FoldStatus, u32, bool)>>,
4367 // style: &EditorStyle,
4368 // gutter_hovered: bool,
4369 // line_height: f32,
4370 // gutter_margin: f32,
4371 // cx: &mut ViewContext<Self>,
4372 // ) -> Vec<Option<AnyElement<Self>>> {
4373 // enum FoldIndicators {}
4374
4375 // let style = style.folds.clone();
4376
4377 // fold_data
4378 // .iter()
4379 // .enumerate()
4380 // .map(|(ix, fold_data)| {
4381 // fold_data
4382 // .map(|(fold_status, buffer_row, active)| {
4383 // (active || gutter_hovered || fold_status == FoldStatus::Folded).then(|| {
4384 // MouseEventHandler::new::<FoldIndicators, _>(
4385 // ix as usize,
4386 // cx,
4387 // |mouse_state, _| {
4388 // Svg::new(match fold_status {
4389 // FoldStatus::Folded => style.folded_icon.clone(),
4390 // FoldStatus::Foldable => style.foldable_icon.clone(),
4391 // })
4392 // .with_color(
4393 // style
4394 // .indicator
4395 // .in_state(fold_status == FoldStatus::Folded)
4396 // .style_for(mouse_state)
4397 // .color,
4398 // )
4399 // .constrained()
4400 // .with_width(gutter_margin * style.icon_margin_scale)
4401 // .aligned()
4402 // .constrained()
4403 // .with_height(line_height)
4404 // .with_width(gutter_margin)
4405 // .aligned()
4406 // },
4407 // )
4408 // .with_cursor_style(CursorStyle::PointingHand)
4409 // .with_padding(Padding::uniform(3.))
4410 // .on_click(MouseButton::Left, {
4411 // move |_, editor, cx| match fold_status {
4412 // FoldStatus::Folded => {
4413 // editor.unfold_at(&UnfoldAt { buffer_row }, cx);
4414 // }
4415 // FoldStatus::Foldable => {
4416 // editor.fold_at(&FoldAt { buffer_row }, cx);
4417 // }
4418 // }
4419 // })
4420 // .into_any()
4421 // })
4422 // })
4423 // .flatten()
4424 // })
4425 // .collect()
4426 // }
4427
4428 // pub fn context_menu_visible(&self) -> bool {
4429 // self.context_menu
4430 // .read()
4431 // .as_ref()
4432 // .map_or(false, |menu| menu.visible())
4433 // }
4434
4435 // pub fn render_context_menu(
4436 // &self,
4437 // cursor_position: DisplayPoint,
4438 // style: EditorStyle,
4439 // cx: &mut ViewContext<Editor>,
4440 // ) -> Option<(DisplayPoint, AnyElement<Editor>)> {
4441 // self.context_menu.read().as_ref().map(|menu| {
4442 // menu.render(
4443 // cursor_position,
4444 // style,
4445 // self.workspace.as_ref().map(|(w, _)| w.clone()),
4446 // cx,
4447 // )
4448 // })
4449 // }
4450
4451 fn hide_context_menu(&mut self, cx: &mut ViewContext<Self>) -> Option<ContextMenu> {
4452 cx.notify();
4453 self.completion_tasks.clear();
4454 let context_menu = self.context_menu.write().take();
4455 if context_menu.is_some() {
4456 self.update_visible_copilot_suggestion(cx);
4457 }
4458 context_menu
4459 }
4460
4461 // pub fn insert_snippet(
4462 // &mut self,
4463 // insertion_ranges: &[Range<usize>],
4464 // snippet: Snippet,
4465 // cx: &mut ViewContext<Self>,
4466 // ) -> Result<()> {
4467 // let tabstops = self.buffer.update(cx, |buffer, cx| {
4468 // let snippet_text: Arc<str> = snippet.text.clone().into();
4469 // buffer.edit(
4470 // insertion_ranges
4471 // .iter()
4472 // .cloned()
4473 // .map(|range| (range, snippet_text.clone())),
4474 // Some(AutoindentMode::EachLine),
4475 // cx,
4476 // );
4477
4478 // let snapshot = &*buffer.read(cx);
4479 // let snippet = &snippet;
4480 // snippet
4481 // .tabstops
4482 // .iter()
4483 // .map(|tabstop| {
4484 // let mut tabstop_ranges = tabstop
4485 // .iter()
4486 // .flat_map(|tabstop_range| {
4487 // let mut delta = 0_isize;
4488 // insertion_ranges.iter().map(move |insertion_range| {
4489 // let insertion_start = insertion_range.start as isize + delta;
4490 // delta +=
4491 // snippet.text.len() as isize - insertion_range.len() as isize;
4492
4493 // let start = snapshot.anchor_before(
4494 // (insertion_start + tabstop_range.start) as usize,
4495 // );
4496 // let end = snapshot
4497 // .anchor_after((insertion_start + tabstop_range.end) as usize);
4498 // start..end
4499 // })
4500 // })
4501 // .collect::<Vec<_>>();
4502 // tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
4503 // tabstop_ranges
4504 // })
4505 // .collect::<Vec<_>>()
4506 // });
4507
4508 // if let Some(tabstop) = tabstops.first() {
4509 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
4510 // s.select_ranges(tabstop.iter().cloned());
4511 // });
4512 // self.snippet_stack.push(SnippetState {
4513 // active_index: 0,
4514 // ranges: tabstops,
4515 // });
4516 // }
4517
4518 // Ok(())
4519 // }
4520
4521 // pub fn move_to_next_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
4522 // self.move_to_snippet_tabstop(Bias::Right, cx)
4523 // }
4524
4525 // pub fn move_to_prev_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
4526 // self.move_to_snippet_tabstop(Bias::Left, cx)
4527 // }
4528
4529 // pub fn move_to_snippet_tabstop(&mut self, bias: Bias, cx: &mut ViewContext<Self>) -> bool {
4530 // if let Some(mut snippet) = self.snippet_stack.pop() {
4531 // match bias {
4532 // Bias::Left => {
4533 // if snippet.active_index > 0 {
4534 // snippet.active_index -= 1;
4535 // } else {
4536 // self.snippet_stack.push(snippet);
4537 // return false;
4538 // }
4539 // }
4540 // Bias::Right => {
4541 // if snippet.active_index + 1 < snippet.ranges.len() {
4542 // snippet.active_index += 1;
4543 // } else {
4544 // self.snippet_stack.push(snippet);
4545 // return false;
4546 // }
4547 // }
4548 // }
4549 // if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
4550 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
4551 // s.select_anchor_ranges(current_ranges.iter().cloned())
4552 // });
4553 // // If snippet state is not at the last tabstop, push it back on the stack
4554 // if snippet.active_index + 1 < snippet.ranges.len() {
4555 // self.snippet_stack.push(snippet);
4556 // }
4557 // return true;
4558 // }
4559 // }
4560
4561 // false
4562 // }
4563
4564 // pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
4565 // self.transact(cx, |this, cx| {
4566 // this.select_all(&SelectAll, cx);
4567 // this.insert("", cx);
4568 // });
4569 // }
4570
4571 // pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
4572 // self.transact(cx, |this, cx| {
4573 // this.select_autoclose_pair(cx);
4574 // let mut selections = this.selections.all::<Point>(cx);
4575 // if !this.selections.line_mode {
4576 // let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
4577 // for selection in &mut selections {
4578 // if selection.is_empty() {
4579 // let old_head = selection.head();
4580 // let mut new_head =
4581 // movement::left(&display_map, old_head.to_display_point(&display_map))
4582 // .to_point(&display_map);
4583 // if let Some((buffer, line_buffer_range)) = display_map
4584 // .buffer_snapshot
4585 // .buffer_line_for_row(old_head.row)
4586 // {
4587 // let indent_size =
4588 // buffer.indent_size_for_line(line_buffer_range.start.row);
4589 // let indent_len = match indent_size.kind {
4590 // IndentKind::Space => {
4591 // buffer.settings_at(line_buffer_range.start, cx).tab_size
4592 // }
4593 // IndentKind::Tab => NonZeroU32::new(1).unwrap(),
4594 // };
4595 // if old_head.column <= indent_size.len && old_head.column > 0 {
4596 // let indent_len = indent_len.get();
4597 // new_head = cmp::min(
4598 // new_head,
4599 // Point::new(
4600 // old_head.row,
4601 // ((old_head.column - 1) / indent_len) * indent_len,
4602 // ),
4603 // );
4604 // }
4605 // }
4606
4607 // selection.set_head(new_head, SelectionGoal::None);
4608 // }
4609 // }
4610 // }
4611
4612 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4613 // this.insert("", cx);
4614 // this.refresh_copilot_suggestions(true, cx);
4615 // });
4616 // }
4617
4618 // pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
4619 // self.transact(cx, |this, cx| {
4620 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
4621 // let line_mode = s.line_mode;
4622 // s.move_with(|map, selection| {
4623 // if selection.is_empty() && !line_mode {
4624 // let cursor = movement::right(map, selection.head());
4625 // selection.end = cursor;
4626 // selection.reversed = true;
4627 // selection.goal = SelectionGoal::None;
4628 // }
4629 // })
4630 // });
4631 // this.insert("", cx);
4632 // this.refresh_copilot_suggestions(true, cx);
4633 // });
4634 // }
4635
4636 // pub fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
4637 // if self.move_to_prev_snippet_tabstop(cx) {
4638 // return;
4639 // }
4640
4641 // self.outdent(&Outdent, cx);
4642 // }
4643
4644 // pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
4645 // if self.move_to_next_snippet_tabstop(cx) {
4646 // return;
4647 // }
4648
4649 // let mut selections = self.selections.all_adjusted(cx);
4650 // let buffer = self.buffer.read(cx);
4651 // let snapshot = buffer.snapshot(cx);
4652 // let rows_iter = selections.iter().map(|s| s.head().row);
4653 // let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
4654
4655 // let mut edits = Vec::new();
4656 // let mut prev_edited_row = 0;
4657 // let mut row_delta = 0;
4658 // for selection in &mut selections {
4659 // if selection.start.row != prev_edited_row {
4660 // row_delta = 0;
4661 // }
4662 // prev_edited_row = selection.end.row;
4663
4664 // // If the selection is non-empty, then increase the indentation of the selected lines.
4665 // if !selection.is_empty() {
4666 // row_delta =
4667 // Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
4668 // continue;
4669 // }
4670
4671 // // If the selection is empty and the cursor is in the leading whitespace before the
4672 // // suggested indentation, then auto-indent the line.
4673 // let cursor = selection.head();
4674 // let current_indent = snapshot.indent_size_for_line(cursor.row);
4675 // if let Some(suggested_indent) = suggested_indents.get(&cursor.row).copied() {
4676 // if cursor.column < suggested_indent.len
4677 // && cursor.column <= current_indent.len
4678 // && current_indent.len <= suggested_indent.len
4679 // {
4680 // selection.start = Point::new(cursor.row, suggested_indent.len);
4681 // selection.end = selection.start;
4682 // if row_delta == 0 {
4683 // edits.extend(Buffer::edit_for_indent_size_adjustment(
4684 // cursor.row,
4685 // current_indent,
4686 // suggested_indent,
4687 // ));
4688 // row_delta = suggested_indent.len - current_indent.len;
4689 // }
4690 // continue;
4691 // }
4692 // }
4693
4694 // // Accept copilot suggestion if there is only one selection and the cursor is not
4695 // // in the leading whitespace.
4696 // if self.selections.count() == 1
4697 // && cursor.column >= current_indent.len
4698 // && self.has_active_copilot_suggestion(cx)
4699 // {
4700 // self.accept_copilot_suggestion(cx);
4701 // return;
4702 // }
4703
4704 // // Otherwise, insert a hard or soft tab.
4705 // let settings = buffer.settings_at(cursor, cx);
4706 // let tab_size = if settings.hard_tabs {
4707 // IndentSize::tab()
4708 // } else {
4709 // let tab_size = settings.tab_size.get();
4710 // let char_column = snapshot
4711 // .text_for_range(Point::new(cursor.row, 0)..cursor)
4712 // .flat_map(str::chars)
4713 // .count()
4714 // + row_delta as usize;
4715 // let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
4716 // IndentSize::spaces(chars_to_next_tab_stop)
4717 // };
4718 // selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
4719 // selection.end = selection.start;
4720 // edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
4721 // row_delta += tab_size.len;
4722 // }
4723
4724 // self.transact(cx, |this, cx| {
4725 // this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
4726 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4727 // this.refresh_copilot_suggestions(true, cx);
4728 // });
4729 // }
4730
4731 // pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext<Self>) {
4732 // let mut selections = self.selections.all::<Point>(cx);
4733 // let mut prev_edited_row = 0;
4734 // let mut row_delta = 0;
4735 // let mut edits = Vec::new();
4736 // let buffer = self.buffer.read(cx);
4737 // let snapshot = buffer.snapshot(cx);
4738 // for selection in &mut selections {
4739 // if selection.start.row != prev_edited_row {
4740 // row_delta = 0;
4741 // }
4742 // prev_edited_row = selection.end.row;
4743
4744 // row_delta =
4745 // Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
4746 // }
4747
4748 // self.transact(cx, |this, cx| {
4749 // this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
4750 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4751 // });
4752 // }
4753
4754 // fn indent_selection(
4755 // buffer: &MultiBuffer,
4756 // snapshot: &MultiBufferSnapshot,
4757 // selection: &mut Selection<Point>,
4758 // edits: &mut Vec<(Range<Point>, String)>,
4759 // delta_for_start_row: u32,
4760 // cx: &AppContext,
4761 // ) -> u32 {
4762 // let settings = buffer.settings_at(selection.start, cx);
4763 // let tab_size = settings.tab_size.get();
4764 // let indent_kind = if settings.hard_tabs {
4765 // IndentKind::Tab
4766 // } else {
4767 // IndentKind::Space
4768 // };
4769 // let mut start_row = selection.start.row;
4770 // let mut end_row = selection.end.row + 1;
4771
4772 // // If a selection ends at the beginning of a line, don't indent
4773 // // that last line.
4774 // if selection.end.column == 0 {
4775 // end_row -= 1;
4776 // }
4777
4778 // // Avoid re-indenting a row that has already been indented by a
4779 // // previous selection, but still update this selection's column
4780 // // to reflect that indentation.
4781 // if delta_for_start_row > 0 {
4782 // start_row += 1;
4783 // selection.start.column += delta_for_start_row;
4784 // if selection.end.row == selection.start.row {
4785 // selection.end.column += delta_for_start_row;
4786 // }
4787 // }
4788
4789 // let mut delta_for_end_row = 0;
4790 // for row in start_row..end_row {
4791 // let current_indent = snapshot.indent_size_for_line(row);
4792 // let indent_delta = match (current_indent.kind, indent_kind) {
4793 // (IndentKind::Space, IndentKind::Space) => {
4794 // let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
4795 // IndentSize::spaces(columns_to_next_tab_stop)
4796 // }
4797 // (IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
4798 // (_, IndentKind::Tab) => IndentSize::tab(),
4799 // };
4800
4801 // let row_start = Point::new(row, 0);
4802 // edits.push((
4803 // row_start..row_start,
4804 // indent_delta.chars().collect::<String>(),
4805 // ));
4806
4807 // // Update this selection's endpoints to reflect the indentation.
4808 // if row == selection.start.row {
4809 // selection.start.column += indent_delta.len;
4810 // }
4811 // if row == selection.end.row {
4812 // selection.end.column += indent_delta.len;
4813 // delta_for_end_row = indent_delta.len;
4814 // }
4815 // }
4816
4817 // if selection.start.row == selection.end.row {
4818 // delta_for_start_row + delta_for_end_row
4819 // } else {
4820 // delta_for_end_row
4821 // }
4822 // }
4823
4824 // pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext<Self>) {
4825 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
4826 // let selections = self.selections.all::<Point>(cx);
4827 // let mut deletion_ranges = Vec::new();
4828 // let mut last_outdent = None;
4829 // {
4830 // let buffer = self.buffer.read(cx);
4831 // let snapshot = buffer.snapshot(cx);
4832 // for selection in &selections {
4833 // let settings = buffer.settings_at(selection.start, cx);
4834 // let tab_size = settings.tab_size.get();
4835 // let mut rows = selection.spanned_rows(false, &display_map);
4836
4837 // // Avoid re-outdenting a row that has already been outdented by a
4838 // // previous selection.
4839 // if let Some(last_row) = last_outdent {
4840 // if last_row == rows.start {
4841 // rows.start += 1;
4842 // }
4843 // }
4844
4845 // for row in rows {
4846 // let indent_size = snapshot.indent_size_for_line(row);
4847 // if indent_size.len > 0 {
4848 // let deletion_len = match indent_size.kind {
4849 // IndentKind::Space => {
4850 // let columns_to_prev_tab_stop = indent_size.len % tab_size;
4851 // if columns_to_prev_tab_stop == 0 {
4852 // tab_size
4853 // } else {
4854 // columns_to_prev_tab_stop
4855 // }
4856 // }
4857 // IndentKind::Tab => 1,
4858 // };
4859 // deletion_ranges.push(Point::new(row, 0)..Point::new(row, deletion_len));
4860 // last_outdent = Some(row);
4861 // }
4862 // }
4863 // }
4864 // }
4865
4866 // self.transact(cx, |this, cx| {
4867 // this.buffer.update(cx, |buffer, cx| {
4868 // let empty_str: Arc<str> = "".into();
4869 // buffer.edit(
4870 // deletion_ranges
4871 // .into_iter()
4872 // .map(|range| (range, empty_str.clone())),
4873 // None,
4874 // cx,
4875 // );
4876 // });
4877 // let selections = this.selections.all::<usize>(cx);
4878 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
4879 // });
4880 // }
4881
4882 // pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
4883 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
4884 // let selections = self.selections.all::<Point>(cx);
4885
4886 // let mut new_cursors = Vec::new();
4887 // let mut edit_ranges = Vec::new();
4888 // let mut selections = selections.iter().peekable();
4889 // while let Some(selection) = selections.next() {
4890 // let mut rows = selection.spanned_rows(false, &display_map);
4891 // let goal_display_column = selection.head().to_display_point(&display_map).column();
4892
4893 // // Accumulate contiguous regions of rows that we want to delete.
4894 // while let Some(next_selection) = selections.peek() {
4895 // let next_rows = next_selection.spanned_rows(false, &display_map);
4896 // if next_rows.start <= rows.end {
4897 // rows.end = next_rows.end;
4898 // selections.next().unwrap();
4899 // } else {
4900 // break;
4901 // }
4902 // }
4903
4904 // let buffer = &display_map.buffer_snapshot;
4905 // let mut edit_start = Point::new(rows.start, 0).to_offset(buffer);
4906 // let edit_end;
4907 // let cursor_buffer_row;
4908 // if buffer.max_point().row >= rows.end {
4909 // // If there's a line after the range, delete the \n from the end of the row range
4910 // // and position the cursor on the next line.
4911 // edit_end = Point::new(rows.end, 0).to_offset(buffer);
4912 // cursor_buffer_row = rows.end;
4913 // } else {
4914 // // If there isn't a line after the range, delete the \n from the line before the
4915 // // start of the row range and position the cursor there.
4916 // edit_start = edit_start.saturating_sub(1);
4917 // edit_end = buffer.len();
4918 // cursor_buffer_row = rows.start.saturating_sub(1);
4919 // }
4920
4921 // let mut cursor = Point::new(cursor_buffer_row, 0).to_display_point(&display_map);
4922 // *cursor.column_mut() =
4923 // cmp::min(goal_display_column, display_map.line_len(cursor.row()));
4924
4925 // new_cursors.push((
4926 // selection.id,
4927 // buffer.anchor_after(cursor.to_point(&display_map)),
4928 // ));
4929 // edit_ranges.push(edit_start..edit_end);
4930 // }
4931
4932 // self.transact(cx, |this, cx| {
4933 // let buffer = this.buffer.update(cx, |buffer, cx| {
4934 // let empty_str: Arc<str> = "".into();
4935 // buffer.edit(
4936 // edit_ranges
4937 // .into_iter()
4938 // .map(|range| (range, empty_str.clone())),
4939 // None,
4940 // cx,
4941 // );
4942 // buffer.snapshot(cx)
4943 // });
4944 // let new_selections = new_cursors
4945 // .into_iter()
4946 // .map(|(id, cursor)| {
4947 // let cursor = cursor.to_point(&buffer);
4948 // Selection {
4949 // id,
4950 // start: cursor,
4951 // end: cursor,
4952 // reversed: false,
4953 // goal: SelectionGoal::None,
4954 // }
4955 // })
4956 // .collect();
4957
4958 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
4959 // s.select(new_selections);
4960 // });
4961 // });
4962 // }
4963
4964 // pub fn join_lines(&mut self, _: &JoinLines, cx: &mut ViewContext<Self>) {
4965 // let mut row_ranges = Vec::<Range<u32>>::new();
4966 // for selection in self.selections.all::<Point>(cx) {
4967 // let start = selection.start.row;
4968 // let end = if selection.start.row == selection.end.row {
4969 // selection.start.row + 1
4970 // } else {
4971 // selection.end.row
4972 // };
4973
4974 // if let Some(last_row_range) = row_ranges.last_mut() {
4975 // if start <= last_row_range.end {
4976 // last_row_range.end = end;
4977 // continue;
4978 // }
4979 // }
4980 // row_ranges.push(start..end);
4981 // }
4982
4983 // let snapshot = self.buffer.read(cx).snapshot(cx);
4984 // let mut cursor_positions = Vec::new();
4985 // for row_range in &row_ranges {
4986 // let anchor = snapshot.anchor_before(Point::new(
4987 // row_range.end - 1,
4988 // snapshot.line_len(row_range.end - 1),
4989 // ));
4990 // cursor_positions.push(anchor.clone()..anchor);
4991 // }
4992
4993 // self.transact(cx, |this, cx| {
4994 // for row_range in row_ranges.into_iter().rev() {
4995 // for row in row_range.rev() {
4996 // let end_of_line = Point::new(row, snapshot.line_len(row));
4997 // let indent = snapshot.indent_size_for_line(row + 1);
4998 // let start_of_next_line = Point::new(row + 1, indent.len);
4999
5000 // let replace = if snapshot.line_len(row + 1) > indent.len {
5001 // " "
5002 // } else {
5003 // ""
5004 // };
5005
5006 // this.buffer.update(cx, |buffer, cx| {
5007 // buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
5008 // });
5009 // }
5010 // }
5011
5012 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5013 // s.select_anchor_ranges(cursor_positions)
5014 // });
5015 // });
5016 // }
5017
5018 // pub fn sort_lines_case_sensitive(
5019 // &mut self,
5020 // _: &SortLinesCaseSensitive,
5021 // cx: &mut ViewContext<Self>,
5022 // ) {
5023 // self.manipulate_lines(cx, |lines| lines.sort())
5024 // }
5025
5026 // pub fn sort_lines_case_insensitive(
5027 // &mut self,
5028 // _: &SortLinesCaseInsensitive,
5029 // cx: &mut ViewContext<Self>,
5030 // ) {
5031 // self.manipulate_lines(cx, |lines| lines.sort_by_key(|line| line.to_lowercase()))
5032 // }
5033
5034 // pub fn reverse_lines(&mut self, _: &ReverseLines, cx: &mut ViewContext<Self>) {
5035 // self.manipulate_lines(cx, |lines| lines.reverse())
5036 // }
5037
5038 // pub fn shuffle_lines(&mut self, _: &ShuffleLines, cx: &mut ViewContext<Self>) {
5039 // self.manipulate_lines(cx, |lines| lines.shuffle(&mut thread_rng()))
5040 // }
5041
5042 // fn manipulate_lines<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5043 // where
5044 // Fn: FnMut(&mut [&str]),
5045 // {
5046 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5047 // let buffer = self.buffer.read(cx).snapshot(cx);
5048
5049 // let mut edits = Vec::new();
5050
5051 // let selections = self.selections.all::<Point>(cx);
5052 // let mut selections = selections.iter().peekable();
5053 // let mut contiguous_row_selections = Vec::new();
5054 // let mut new_selections = Vec::new();
5055
5056 // while let Some(selection) = selections.next() {
5057 // let (start_row, end_row) = consume_contiguous_rows(
5058 // &mut contiguous_row_selections,
5059 // selection,
5060 // &display_map,
5061 // &mut selections,
5062 // );
5063
5064 // let start_point = Point::new(start_row, 0);
5065 // let end_point = Point::new(end_row - 1, buffer.line_len(end_row - 1));
5066 // let text = buffer
5067 // .text_for_range(start_point..end_point)
5068 // .collect::<String>();
5069 // let mut lines = text.split("\n").collect_vec();
5070
5071 // let lines_len = lines.len();
5072 // callback(&mut lines);
5073
5074 // // This is a current limitation with selections.
5075 // // If we wanted to support removing or adding lines, we'd need to fix the logic associated with selections.
5076 // debug_assert!(
5077 // lines.len() == lines_len,
5078 // "callback should not change the number of lines"
5079 // );
5080
5081 // edits.push((start_point..end_point, lines.join("\n")));
5082 // let start_anchor = buffer.anchor_after(start_point);
5083 // let end_anchor = buffer.anchor_before(end_point);
5084
5085 // // Make selection and push
5086 // new_selections.push(Selection {
5087 // id: selection.id,
5088 // start: start_anchor.to_offset(&buffer),
5089 // end: end_anchor.to_offset(&buffer),
5090 // goal: SelectionGoal::None,
5091 // reversed: selection.reversed,
5092 // });
5093 // }
5094
5095 // self.transact(cx, |this, cx| {
5096 // this.buffer.update(cx, |buffer, cx| {
5097 // buffer.edit(edits, None, cx);
5098 // });
5099
5100 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5101 // s.select(new_selections);
5102 // });
5103
5104 // this.request_autoscroll(Autoscroll::fit(), cx);
5105 // });
5106 // }
5107
5108 // pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
5109 // self.manipulate_text(cx, |text| text.to_uppercase())
5110 // }
5111
5112 // pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
5113 // self.manipulate_text(cx, |text| text.to_lowercase())
5114 // }
5115
5116 // pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
5117 // self.manipulate_text(cx, |text| {
5118 // // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5119 // // https://github.com/rutrum/convert-case/issues/16
5120 // text.split("\n")
5121 // .map(|line| line.to_case(Case::Title))
5122 // .join("\n")
5123 // })
5124 // }
5125
5126 // pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
5127 // self.manipulate_text(cx, |text| text.to_case(Case::Snake))
5128 // }
5129
5130 // pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
5131 // self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
5132 // }
5133
5134 // pub fn convert_to_upper_camel_case(
5135 // &mut self,
5136 // _: &ConvertToUpperCamelCase,
5137 // cx: &mut ViewContext<Self>,
5138 // ) {
5139 // self.manipulate_text(cx, |text| {
5140 // // Hack to get around the fact that to_case crate doesn't support '\n' as a word boundary
5141 // // https://github.com/rutrum/convert-case/issues/16
5142 // text.split("\n")
5143 // .map(|line| line.to_case(Case::UpperCamel))
5144 // .join("\n")
5145 // })
5146 // }
5147
5148 // pub fn convert_to_lower_camel_case(
5149 // &mut self,
5150 // _: &ConvertToLowerCamelCase,
5151 // cx: &mut ViewContext<Self>,
5152 // ) {
5153 // self.manipulate_text(cx, |text| text.to_case(Case::Camel))
5154 // }
5155
5156 // fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
5157 // where
5158 // Fn: FnMut(&str) -> String,
5159 // {
5160 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5161 // let buffer = self.buffer.read(cx).snapshot(cx);
5162
5163 // let mut new_selections = Vec::new();
5164 // let mut edits = Vec::new();
5165 // let mut selection_adjustment = 0i32;
5166
5167 // for selection in self.selections.all::<usize>(cx) {
5168 // let selection_is_empty = selection.is_empty();
5169
5170 // let (start, end) = if selection_is_empty {
5171 // let word_range = movement::surrounding_word(
5172 // &display_map,
5173 // selection.start.to_display_point(&display_map),
5174 // );
5175 // let start = word_range.start.to_offset(&display_map, Bias::Left);
5176 // let end = word_range.end.to_offset(&display_map, Bias::Left);
5177 // (start, end)
5178 // } else {
5179 // (selection.start, selection.end)
5180 // };
5181
5182 // let text = buffer.text_for_range(start..end).collect::<String>();
5183 // let old_length = text.len() as i32;
5184 // let text = callback(&text);
5185
5186 // new_selections.push(Selection {
5187 // start: (start as i32 - selection_adjustment) as usize,
5188 // end: ((start + text.len()) as i32 - selection_adjustment) as usize,
5189 // goal: SelectionGoal::None,
5190 // ..selection
5191 // });
5192
5193 // selection_adjustment += old_length - text.len() as i32;
5194
5195 // edits.push((start..end, text));
5196 // }
5197
5198 // self.transact(cx, |this, cx| {
5199 // this.buffer.update(cx, |buffer, cx| {
5200 // buffer.edit(edits, None, cx);
5201 // });
5202
5203 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5204 // s.select(new_selections);
5205 // });
5206
5207 // this.request_autoscroll(Autoscroll::fit(), cx);
5208 // });
5209 // }
5210
5211 // pub fn duplicate_line(&mut self, _: &DuplicateLine, cx: &mut ViewContext<Self>) {
5212 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5213 // let buffer = &display_map.buffer_snapshot;
5214 // let selections = self.selections.all::<Point>(cx);
5215
5216 // let mut edits = Vec::new();
5217 // let mut selections_iter = selections.iter().peekable();
5218 // while let Some(selection) = selections_iter.next() {
5219 // // Avoid duplicating the same lines twice.
5220 // let mut rows = selection.spanned_rows(false, &display_map);
5221
5222 // while let Some(next_selection) = selections_iter.peek() {
5223 // let next_rows = next_selection.spanned_rows(false, &display_map);
5224 // if next_rows.start < rows.end {
5225 // rows.end = next_rows.end;
5226 // selections_iter.next().unwrap();
5227 // } else {
5228 // break;
5229 // }
5230 // }
5231
5232 // // Copy the text from the selected row region and splice it at the start of the region.
5233 // let start = Point::new(rows.start, 0);
5234 // let end = Point::new(rows.end - 1, buffer.line_len(rows.end - 1));
5235 // let text = buffer
5236 // .text_for_range(start..end)
5237 // .chain(Some("\n"))
5238 // .collect::<String>();
5239 // edits.push((start..start, text));
5240 // }
5241
5242 // self.transact(cx, |this, cx| {
5243 // this.buffer.update(cx, |buffer, cx| {
5244 // buffer.edit(edits, None, cx);
5245 // });
5246
5247 // this.request_autoscroll(Autoscroll::fit(), cx);
5248 // });
5249 // }
5250
5251 // pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
5252 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5253 // let buffer = self.buffer.read(cx).snapshot(cx);
5254
5255 // let mut edits = Vec::new();
5256 // let mut unfold_ranges = Vec::new();
5257 // let mut refold_ranges = Vec::new();
5258
5259 // let selections = self.selections.all::<Point>(cx);
5260 // let mut selections = selections.iter().peekable();
5261 // let mut contiguous_row_selections = Vec::new();
5262 // let mut new_selections = Vec::new();
5263
5264 // while let Some(selection) = selections.next() {
5265 // // Find all the selections that span a contiguous row range
5266 // let (start_row, end_row) = consume_contiguous_rows(
5267 // &mut contiguous_row_selections,
5268 // selection,
5269 // &display_map,
5270 // &mut selections,
5271 // );
5272
5273 // // Move the text spanned by the row range to be before the line preceding the row range
5274 // if start_row > 0 {
5275 // let range_to_move = Point::new(start_row - 1, buffer.line_len(start_row - 1))
5276 // ..Point::new(end_row - 1, buffer.line_len(end_row - 1));
5277 // let insertion_point = display_map
5278 // .prev_line_boundary(Point::new(start_row - 1, 0))
5279 // .0;
5280
5281 // // Don't move lines across excerpts
5282 // if buffer
5283 // .excerpt_boundaries_in_range((
5284 // Bound::Excluded(insertion_point),
5285 // Bound::Included(range_to_move.end),
5286 // ))
5287 // .next()
5288 // .is_none()
5289 // {
5290 // let text = buffer
5291 // .text_for_range(range_to_move.clone())
5292 // .flat_map(|s| s.chars())
5293 // .skip(1)
5294 // .chain(['\n'])
5295 // .collect::<String>();
5296
5297 // edits.push((
5298 // buffer.anchor_after(range_to_move.start)
5299 // ..buffer.anchor_before(range_to_move.end),
5300 // String::new(),
5301 // ));
5302 // let insertion_anchor = buffer.anchor_after(insertion_point);
5303 // edits.push((insertion_anchor..insertion_anchor, text));
5304
5305 // let row_delta = range_to_move.start.row - insertion_point.row + 1;
5306
5307 // // Move selections up
5308 // new_selections.extend(contiguous_row_selections.drain(..).map(
5309 // |mut selection| {
5310 // selection.start.row -= row_delta;
5311 // selection.end.row -= row_delta;
5312 // selection
5313 // },
5314 // ));
5315
5316 // // Move folds up
5317 // unfold_ranges.push(range_to_move.clone());
5318 // for fold in display_map.folds_in_range(
5319 // buffer.anchor_before(range_to_move.start)
5320 // ..buffer.anchor_after(range_to_move.end),
5321 // ) {
5322 // let mut start = fold.start.to_point(&buffer);
5323 // let mut end = fold.end.to_point(&buffer);
5324 // start.row -= row_delta;
5325 // end.row -= row_delta;
5326 // refold_ranges.push(start..end);
5327 // }
5328 // }
5329 // }
5330
5331 // // If we didn't move line(s), preserve the existing selections
5332 // new_selections.append(&mut contiguous_row_selections);
5333 // }
5334
5335 // self.transact(cx, |this, cx| {
5336 // this.unfold_ranges(unfold_ranges, true, true, cx);
5337 // this.buffer.update(cx, |buffer, cx| {
5338 // for (range, text) in edits {
5339 // buffer.edit([(range, text)], None, cx);
5340 // }
5341 // });
5342 // this.fold_ranges(refold_ranges, true, cx);
5343 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5344 // s.select(new_selections);
5345 // })
5346 // });
5347 // }
5348
5349 // pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
5350 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
5351 // let buffer = self.buffer.read(cx).snapshot(cx);
5352
5353 // let mut edits = Vec::new();
5354 // let mut unfold_ranges = Vec::new();
5355 // let mut refold_ranges = Vec::new();
5356
5357 // let selections = self.selections.all::<Point>(cx);
5358 // let mut selections = selections.iter().peekable();
5359 // let mut contiguous_row_selections = Vec::new();
5360 // let mut new_selections = Vec::new();
5361
5362 // while let Some(selection) = selections.next() {
5363 // // Find all the selections that span a contiguous row range
5364 // let (start_row, end_row) = consume_contiguous_rows(
5365 // &mut contiguous_row_selections,
5366 // selection,
5367 // &display_map,
5368 // &mut selections,
5369 // );
5370
5371 // // Move the text spanned by the row range to be after the last line of the row range
5372 // if end_row <= buffer.max_point().row {
5373 // let range_to_move = Point::new(start_row, 0)..Point::new(end_row, 0);
5374 // let insertion_point = display_map.next_line_boundary(Point::new(end_row, 0)).0;
5375
5376 // // Don't move lines across excerpt boundaries
5377 // if buffer
5378 // .excerpt_boundaries_in_range((
5379 // Bound::Excluded(range_to_move.start),
5380 // Bound::Included(insertion_point),
5381 // ))
5382 // .next()
5383 // .is_none()
5384 // {
5385 // let mut text = String::from("\n");
5386 // text.extend(buffer.text_for_range(range_to_move.clone()));
5387 // text.pop(); // Drop trailing newline
5388 // edits.push((
5389 // buffer.anchor_after(range_to_move.start)
5390 // ..buffer.anchor_before(range_to_move.end),
5391 // String::new(),
5392 // ));
5393 // let insertion_anchor = buffer.anchor_after(insertion_point);
5394 // edits.push((insertion_anchor..insertion_anchor, text));
5395
5396 // let row_delta = insertion_point.row - range_to_move.end.row + 1;
5397
5398 // // Move selections down
5399 // new_selections.extend(contiguous_row_selections.drain(..).map(
5400 // |mut selection| {
5401 // selection.start.row += row_delta;
5402 // selection.end.row += row_delta;
5403 // selection
5404 // },
5405 // ));
5406
5407 // // Move folds down
5408 // unfold_ranges.push(range_to_move.clone());
5409 // for fold in display_map.folds_in_range(
5410 // buffer.anchor_before(range_to_move.start)
5411 // ..buffer.anchor_after(range_to_move.end),
5412 // ) {
5413 // let mut start = fold.start.to_point(&buffer);
5414 // let mut end = fold.end.to_point(&buffer);
5415 // start.row += row_delta;
5416 // end.row += row_delta;
5417 // refold_ranges.push(start..end);
5418 // }
5419 // }
5420 // }
5421
5422 // // If we didn't move line(s), preserve the existing selections
5423 // new_selections.append(&mut contiguous_row_selections);
5424 // }
5425
5426 // self.transact(cx, |this, cx| {
5427 // this.unfold_ranges(unfold_ranges, true, true, cx);
5428 // this.buffer.update(cx, |buffer, cx| {
5429 // for (range, text) in edits {
5430 // buffer.edit([(range, text)], None, cx);
5431 // }
5432 // });
5433 // this.fold_ranges(refold_ranges, true, cx);
5434 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
5435 // });
5436 // }
5437
5438 // pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
5439 // let text_layout_details = &self.text_layout_details(cx);
5440 // self.transact(cx, |this, cx| {
5441 // let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5442 // let mut edits: Vec<(Range<usize>, String)> = Default::default();
5443 // let line_mode = s.line_mode;
5444 // s.move_with(|display_map, selection| {
5445 // if !selection.is_empty() || line_mode {
5446 // return;
5447 // }
5448
5449 // let mut head = selection.head();
5450 // let mut transpose_offset = head.to_offset(display_map, Bias::Right);
5451 // if head.column() == display_map.line_len(head.row()) {
5452 // transpose_offset = display_map
5453 // .buffer_snapshot
5454 // .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
5455 // }
5456
5457 // if transpose_offset == 0 {
5458 // return;
5459 // }
5460
5461 // *head.column_mut() += 1;
5462 // head = display_map.clip_point(head, Bias::Right);
5463 // let goal = SelectionGoal::HorizontalPosition(
5464 // display_map.x_for_point(head, &text_layout_details),
5465 // );
5466 // selection.collapse_to(head, goal);
5467
5468 // let transpose_start = display_map
5469 // .buffer_snapshot
5470 // .clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
5471 // if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
5472 // let transpose_end = display_map
5473 // .buffer_snapshot
5474 // .clip_offset(transpose_offset + 1, Bias::Right);
5475 // if let Some(ch) =
5476 // display_map.buffer_snapshot.chars_at(transpose_start).next()
5477 // {
5478 // edits.push((transpose_start..transpose_offset, String::new()));
5479 // edits.push((transpose_end..transpose_end, ch.to_string()));
5480 // }
5481 // }
5482 // });
5483 // edits
5484 // });
5485 // this.buffer
5486 // .update(cx, |buffer, cx| buffer.edit(edits, None, cx));
5487 // let selections = this.selections.all::<usize>(cx);
5488 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5489 // s.select(selections);
5490 // });
5491 // });
5492 // }
5493
5494 // pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
5495 // let mut text = String::new();
5496 // let buffer = self.buffer.read(cx).snapshot(cx);
5497 // let mut selections = self.selections.all::<Point>(cx);
5498 // let mut clipboard_selections = Vec::with_capacity(selections.len());
5499 // {
5500 // let max_point = buffer.max_point();
5501 // let mut is_first = true;
5502 // for selection in &mut selections {
5503 // let is_entire_line = selection.is_empty() || self.selections.line_mode;
5504 // if is_entire_line {
5505 // selection.start = Point::new(selection.start.row, 0);
5506 // selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
5507 // selection.goal = SelectionGoal::None;
5508 // }
5509 // if is_first {
5510 // is_first = false;
5511 // } else {
5512 // text += "\n";
5513 // }
5514 // let mut len = 0;
5515 // for chunk in buffer.text_for_range(selection.start..selection.end) {
5516 // text.push_str(chunk);
5517 // len += chunk.len();
5518 // }
5519 // clipboard_selections.push(ClipboardSelection {
5520 // len,
5521 // is_entire_line,
5522 // first_line_indent: buffer.indent_size_for_line(selection.start.row).len,
5523 // });
5524 // }
5525 // }
5526
5527 // self.transact(cx, |this, cx| {
5528 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5529 // s.select(selections);
5530 // });
5531 // this.insert("", cx);
5532 // cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
5533 // });
5534 // }
5535
5536 // pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
5537 // let selections = self.selections.all::<Point>(cx);
5538 // let buffer = self.buffer.read(cx).read(cx);
5539 // let mut text = String::new();
5540
5541 // let mut clipboard_selections = Vec::with_capacity(selections.len());
5542 // {
5543 // let max_point = buffer.max_point();
5544 // let mut is_first = true;
5545 // for selection in selections.iter() {
5546 // let mut start = selection.start;
5547 // let mut end = selection.end;
5548 // let is_entire_line = selection.is_empty() || self.selections.line_mode;
5549 // if is_entire_line {
5550 // start = Point::new(start.row, 0);
5551 // end = cmp::min(max_point, Point::new(end.row + 1, 0));
5552 // }
5553 // if is_first {
5554 // is_first = false;
5555 // } else {
5556 // text += "\n";
5557 // }
5558 // let mut len = 0;
5559 // for chunk in buffer.text_for_range(start..end) {
5560 // text.push_str(chunk);
5561 // len += chunk.len();
5562 // }
5563 // clipboard_selections.push(ClipboardSelection {
5564 // len,
5565 // is_entire_line,
5566 // first_line_indent: buffer.indent_size_for_line(start.row).len,
5567 // });
5568 // }
5569 // }
5570
5571 // cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
5572 // }
5573
5574 // pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
5575 // self.transact(cx, |this, cx| {
5576 // if let Some(item) = cx.read_from_clipboard() {
5577 // let clipboard_text = Cow::Borrowed(item.text());
5578 // if let Some(mut clipboard_selections) = item.metadata::<Vec<ClipboardSelection>>() {
5579 // let old_selections = this.selections.all::<usize>(cx);
5580 // let all_selections_were_entire_line =
5581 // clipboard_selections.iter().all(|s| s.is_entire_line);
5582 // let first_selection_indent_column =
5583 // clipboard_selections.first().map(|s| s.first_line_indent);
5584 // if clipboard_selections.len() != old_selections.len() {
5585 // clipboard_selections.drain(..);
5586 // }
5587
5588 // this.buffer.update(cx, |buffer, cx| {
5589 // let snapshot = buffer.read(cx);
5590 // let mut start_offset = 0;
5591 // let mut edits = Vec::new();
5592 // let mut original_indent_columns = Vec::new();
5593 // let line_mode = this.selections.line_mode;
5594 // for (ix, selection) in old_selections.iter().enumerate() {
5595 // let to_insert;
5596 // let entire_line;
5597 // let original_indent_column;
5598 // if let Some(clipboard_selection) = clipboard_selections.get(ix) {
5599 // let end_offset = start_offset + clipboard_selection.len;
5600 // to_insert = &clipboard_text[start_offset..end_offset];
5601 // entire_line = clipboard_selection.is_entire_line;
5602 // start_offset = end_offset + 1;
5603 // original_indent_column =
5604 // Some(clipboard_selection.first_line_indent);
5605 // } else {
5606 // to_insert = clipboard_text.as_str();
5607 // entire_line = all_selections_were_entire_line;
5608 // original_indent_column = first_selection_indent_column
5609 // }
5610
5611 // // If the corresponding selection was empty when this slice of the
5612 // // clipboard text was written, then the entire line containing the
5613 // // selection was copied. If this selection is also currently empty,
5614 // // then paste the line before the current line of the buffer.
5615 // let range = if selection.is_empty() && !line_mode && entire_line {
5616 // let column = selection.start.to_point(&snapshot).column as usize;
5617 // let line_start = selection.start - column;
5618 // line_start..line_start
5619 // } else {
5620 // selection.range()
5621 // };
5622
5623 // edits.push((range, to_insert));
5624 // original_indent_columns.extend(original_indent_column);
5625 // }
5626 // drop(snapshot);
5627
5628 // buffer.edit(
5629 // edits,
5630 // Some(AutoindentMode::Block {
5631 // original_indent_columns,
5632 // }),
5633 // cx,
5634 // );
5635 // });
5636
5637 // let selections = this.selections.all::<usize>(cx);
5638 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
5639 // } else {
5640 // this.insert(&clipboard_text, cx);
5641 // }
5642 // }
5643 // });
5644 // }
5645
5646 // pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
5647 // if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
5648 // if let Some((selections, _)) = self.selection_history.transaction(tx_id).cloned() {
5649 // self.change_selections(None, cx, |s| {
5650 // s.select_anchors(selections.to_vec());
5651 // });
5652 // }
5653 // self.request_autoscroll(Autoscroll::fit(), cx);
5654 // self.unmark_text(cx);
5655 // self.refresh_copilot_suggestions(true, cx);
5656 // cx.emit(Event::Edited);
5657 // }
5658 // }
5659
5660 // pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
5661 // if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
5662 // if let Some((_, Some(selections))) = self.selection_history.transaction(tx_id).cloned()
5663 // {
5664 // self.change_selections(None, cx, |s| {
5665 // s.select_anchors(selections.to_vec());
5666 // });
5667 // }
5668 // self.request_autoscroll(Autoscroll::fit(), cx);
5669 // self.unmark_text(cx);
5670 // self.refresh_copilot_suggestions(true, cx);
5671 // cx.emit(Event::Edited);
5672 // }
5673 // }
5674
5675 // pub fn finalize_last_transaction(&mut self, cx: &mut ViewContext<Self>) {
5676 // self.buffer
5677 // .update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
5678 // }
5679
5680 // pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
5681 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5682 // let line_mode = s.line_mode;
5683 // s.move_with(|map, selection| {
5684 // let cursor = if selection.is_empty() && !line_mode {
5685 // movement::left(map, selection.start)
5686 // } else {
5687 // selection.start
5688 // };
5689 // selection.collapse_to(cursor, SelectionGoal::None);
5690 // });
5691 // })
5692 // }
5693
5694 // pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
5695 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5696 // s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
5697 // })
5698 // }
5699
5700 // pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
5701 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5702 // let line_mode = s.line_mode;
5703 // s.move_with(|map, selection| {
5704 // let cursor = if selection.is_empty() && !line_mode {
5705 // movement::right(map, selection.end)
5706 // } else {
5707 // selection.end
5708 // };
5709 // selection.collapse_to(cursor, SelectionGoal::None)
5710 // });
5711 // })
5712 // }
5713
5714 // pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
5715 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5716 // s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
5717 // })
5718 // }
5719
5720 // pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
5721 // if self.take_rename(true, cx).is_some() {
5722 // return;
5723 // }
5724
5725 // if matches!(self.mode, EditorMode::SingleLine) {
5726 // cx.propagate_action();
5727 // return;
5728 // }
5729
5730 // let text_layout_details = &self.text_layout_details(cx);
5731
5732 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5733 // let line_mode = s.line_mode;
5734 // s.move_with(|map, selection| {
5735 // if !selection.is_empty() && !line_mode {
5736 // selection.goal = SelectionGoal::None;
5737 // }
5738 // let (cursor, goal) = movement::up(
5739 // map,
5740 // selection.start,
5741 // selection.goal,
5742 // false,
5743 // &text_layout_details,
5744 // );
5745 // selection.collapse_to(cursor, goal);
5746 // });
5747 // })
5748 // }
5749
5750 // pub fn move_page_up(&mut self, action: &MovePageUp, cx: &mut ViewContext<Self>) {
5751 // if self.take_rename(true, cx).is_some() {
5752 // return;
5753 // }
5754
5755 // if matches!(self.mode, EditorMode::SingleLine) {
5756 // cx.propagate_action();
5757 // return;
5758 // }
5759
5760 // let row_count = if let Some(row_count) = self.visible_line_count() {
5761 // row_count as u32 - 1
5762 // } else {
5763 // return;
5764 // };
5765
5766 // let autoscroll = if action.center_cursor {
5767 // Autoscroll::center()
5768 // } else {
5769 // Autoscroll::fit()
5770 // };
5771
5772 // let text_layout_details = &self.text_layout_details(cx);
5773
5774 // self.change_selections(Some(autoscroll), cx, |s| {
5775 // let line_mode = s.line_mode;
5776 // s.move_with(|map, selection| {
5777 // if !selection.is_empty() && !line_mode {
5778 // selection.goal = SelectionGoal::None;
5779 // }
5780 // let (cursor, goal) = movement::up_by_rows(
5781 // map,
5782 // selection.end,
5783 // row_count,
5784 // selection.goal,
5785 // false,
5786 // &text_layout_details,
5787 // );
5788 // selection.collapse_to(cursor, goal);
5789 // });
5790 // });
5791 // }
5792
5793 // pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
5794 // let text_layout_details = &self.text_layout_details(cx);
5795 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5796 // s.move_heads_with(|map, head, goal| {
5797 // movement::up(map, head, goal, false, &text_layout_details)
5798 // })
5799 // })
5800 // }
5801
5802 // pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
5803 // self.take_rename(true, cx);
5804
5805 // if self.mode == EditorMode::SingleLine {
5806 // cx.propagate_action();
5807 // return;
5808 // }
5809
5810 // let text_layout_details = &self.text_layout_details(cx);
5811 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5812 // let line_mode = s.line_mode;
5813 // s.move_with(|map, selection| {
5814 // if !selection.is_empty() && !line_mode {
5815 // selection.goal = SelectionGoal::None;
5816 // }
5817 // let (cursor, goal) = movement::down(
5818 // map,
5819 // selection.end,
5820 // selection.goal,
5821 // false,
5822 // &text_layout_details,
5823 // );
5824 // selection.collapse_to(cursor, goal);
5825 // });
5826 // });
5827 // }
5828
5829 // pub fn move_page_down(&mut self, action: &MovePageDown, cx: &mut ViewContext<Self>) {
5830 // if self.take_rename(true, cx).is_some() {
5831 // return;
5832 // }
5833
5834 // if self
5835 // .context_menu
5836 // .write()
5837 // .as_mut()
5838 // .map(|menu| menu.select_last(self.project.as_ref(), cx))
5839 // .unwrap_or(false)
5840 // {
5841 // return;
5842 // }
5843
5844 // if matches!(self.mode, EditorMode::SingleLine) {
5845 // cx.propagate_action();
5846 // return;
5847 // }
5848
5849 // let row_count = if let Some(row_count) = self.visible_line_count() {
5850 // row_count as u32 - 1
5851 // } else {
5852 // return;
5853 // };
5854
5855 // let autoscroll = if action.center_cursor {
5856 // Autoscroll::center()
5857 // } else {
5858 // Autoscroll::fit()
5859 // };
5860
5861 // let text_layout_details = &self.text_layout_details(cx);
5862 // self.change_selections(Some(autoscroll), cx, |s| {
5863 // let line_mode = s.line_mode;
5864 // s.move_with(|map, selection| {
5865 // if !selection.is_empty() && !line_mode {
5866 // selection.goal = SelectionGoal::None;
5867 // }
5868 // let (cursor, goal) = movement::down_by_rows(
5869 // map,
5870 // selection.end,
5871 // row_count,
5872 // selection.goal,
5873 // false,
5874 // &text_layout_details,
5875 // );
5876 // selection.collapse_to(cursor, goal);
5877 // });
5878 // });
5879 // }
5880
5881 // pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
5882 // let text_layout_details = &self.text_layout_details(cx);
5883 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5884 // s.move_heads_with(|map, head, goal| {
5885 // movement::down(map, head, goal, false, &text_layout_details)
5886 // })
5887 // });
5888 // }
5889
5890 // pub fn context_menu_first(&mut self, _: &ContextMenuFirst, cx: &mut ViewContext<Self>) {
5891 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5892 // context_menu.select_first(self.project.as_ref(), cx);
5893 // }
5894 // }
5895
5896 // pub fn context_menu_prev(&mut self, _: &ContextMenuPrev, cx: &mut ViewContext<Self>) {
5897 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5898 // context_menu.select_prev(self.project.as_ref(), cx);
5899 // }
5900 // }
5901
5902 // pub fn context_menu_next(&mut self, _: &ContextMenuNext, cx: &mut ViewContext<Self>) {
5903 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5904 // context_menu.select_next(self.project.as_ref(), cx);
5905 // }
5906 // }
5907
5908 // pub fn context_menu_last(&mut self, _: &ContextMenuLast, cx: &mut ViewContext<Self>) {
5909 // if let Some(context_menu) = self.context_menu.write().as_mut() {
5910 // context_menu.select_last(self.project.as_ref(), cx);
5911 // }
5912 // }
5913
5914 // pub fn move_to_previous_word_start(
5915 // &mut self,
5916 // _: &MoveToPreviousWordStart,
5917 // cx: &mut ViewContext<Self>,
5918 // ) {
5919 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5920 // s.move_cursors_with(|map, head, _| {
5921 // (
5922 // movement::previous_word_start(map, head),
5923 // SelectionGoal::None,
5924 // )
5925 // });
5926 // })
5927 // }
5928
5929 // pub fn move_to_previous_subword_start(
5930 // &mut self,
5931 // _: &MoveToPreviousSubwordStart,
5932 // cx: &mut ViewContext<Self>,
5933 // ) {
5934 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5935 // s.move_cursors_with(|map, head, _| {
5936 // (
5937 // movement::previous_subword_start(map, head),
5938 // SelectionGoal::None,
5939 // )
5940 // });
5941 // })
5942 // }
5943
5944 // pub fn select_to_previous_word_start(
5945 // &mut self,
5946 // _: &SelectToPreviousWordStart,
5947 // cx: &mut ViewContext<Self>,
5948 // ) {
5949 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5950 // s.move_heads_with(|map, head, _| {
5951 // (
5952 // movement::previous_word_start(map, head),
5953 // SelectionGoal::None,
5954 // )
5955 // });
5956 // })
5957 // }
5958
5959 // pub fn select_to_previous_subword_start(
5960 // &mut self,
5961 // _: &SelectToPreviousSubwordStart,
5962 // cx: &mut ViewContext<Self>,
5963 // ) {
5964 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
5965 // s.move_heads_with(|map, head, _| {
5966 // (
5967 // movement::previous_subword_start(map, head),
5968 // SelectionGoal::None,
5969 // )
5970 // });
5971 // })
5972 // }
5973
5974 // pub fn delete_to_previous_word_start(
5975 // &mut self,
5976 // _: &DeleteToPreviousWordStart,
5977 // cx: &mut ViewContext<Self>,
5978 // ) {
5979 // self.transact(cx, |this, cx| {
5980 // this.select_autoclose_pair(cx);
5981 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
5982 // let line_mode = s.line_mode;
5983 // s.move_with(|map, selection| {
5984 // if selection.is_empty() && !line_mode {
5985 // let cursor = movement::previous_word_start(map, selection.head());
5986 // selection.set_head(cursor, SelectionGoal::None);
5987 // }
5988 // });
5989 // });
5990 // this.insert("", cx);
5991 // });
5992 // }
5993
5994 // pub fn delete_to_previous_subword_start(
5995 // &mut self,
5996 // _: &DeleteToPreviousSubwordStart,
5997 // cx: &mut ViewContext<Self>,
5998 // ) {
5999 // self.transact(cx, |this, cx| {
6000 // this.select_autoclose_pair(cx);
6001 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6002 // let line_mode = s.line_mode;
6003 // s.move_with(|map, selection| {
6004 // if selection.is_empty() && !line_mode {
6005 // let cursor = movement::previous_subword_start(map, selection.head());
6006 // selection.set_head(cursor, SelectionGoal::None);
6007 // }
6008 // });
6009 // });
6010 // this.insert("", cx);
6011 // });
6012 // }
6013
6014 // pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
6015 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6016 // s.move_cursors_with(|map, head, _| {
6017 // (movement::next_word_end(map, head), SelectionGoal::None)
6018 // });
6019 // })
6020 // }
6021
6022 // pub fn move_to_next_subword_end(
6023 // &mut self,
6024 // _: &MoveToNextSubwordEnd,
6025 // cx: &mut ViewContext<Self>,
6026 // ) {
6027 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6028 // s.move_cursors_with(|map, head, _| {
6029 // (movement::next_subword_end(map, head), SelectionGoal::None)
6030 // });
6031 // })
6032 // }
6033
6034 // pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
6035 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6036 // s.move_heads_with(|map, head, _| {
6037 // (movement::next_word_end(map, head), SelectionGoal::None)
6038 // });
6039 // })
6040 // }
6041
6042 // pub fn select_to_next_subword_end(
6043 // &mut self,
6044 // _: &SelectToNextSubwordEnd,
6045 // cx: &mut ViewContext<Self>,
6046 // ) {
6047 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6048 // s.move_heads_with(|map, head, _| {
6049 // (movement::next_subword_end(map, head), SelectionGoal::None)
6050 // });
6051 // })
6052 // }
6053
6054 // pub fn delete_to_next_word_end(&mut self, _: &DeleteToNextWordEnd, cx: &mut ViewContext<Self>) {
6055 // self.transact(cx, |this, cx| {
6056 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6057 // let line_mode = s.line_mode;
6058 // s.move_with(|map, selection| {
6059 // if selection.is_empty() && !line_mode {
6060 // let cursor = movement::next_word_end(map, selection.head());
6061 // selection.set_head(cursor, SelectionGoal::None);
6062 // }
6063 // });
6064 // });
6065 // this.insert("", cx);
6066 // });
6067 // }
6068
6069 // pub fn delete_to_next_subword_end(
6070 // &mut self,
6071 // _: &DeleteToNextSubwordEnd,
6072 // cx: &mut ViewContext<Self>,
6073 // ) {
6074 // self.transact(cx, |this, cx| {
6075 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6076 // s.move_with(|map, selection| {
6077 // if selection.is_empty() {
6078 // let cursor = movement::next_subword_end(map, selection.head());
6079 // selection.set_head(cursor, SelectionGoal::None);
6080 // }
6081 // });
6082 // });
6083 // this.insert("", cx);
6084 // });
6085 // }
6086
6087 // pub fn move_to_beginning_of_line(
6088 // &mut self,
6089 // _: &MoveToBeginningOfLine,
6090 // cx: &mut ViewContext<Self>,
6091 // ) {
6092 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6093 // s.move_cursors_with(|map, head, _| {
6094 // (
6095 // movement::indented_line_beginning(map, head, true),
6096 // SelectionGoal::None,
6097 // )
6098 // });
6099 // })
6100 // }
6101
6102 // pub fn select_to_beginning_of_line(
6103 // &mut self,
6104 // action: &SelectToBeginningOfLine,
6105 // cx: &mut ViewContext<Self>,
6106 // ) {
6107 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6108 // s.move_heads_with(|map, head, _| {
6109 // (
6110 // movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
6111 // SelectionGoal::None,
6112 // )
6113 // });
6114 // });
6115 // }
6116
6117 // pub fn delete_to_beginning_of_line(
6118 // &mut self,
6119 // _: &DeleteToBeginningOfLine,
6120 // cx: &mut ViewContext<Self>,
6121 // ) {
6122 // self.transact(cx, |this, cx| {
6123 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
6124 // s.move_with(|_, selection| {
6125 // selection.reversed = true;
6126 // });
6127 // });
6128
6129 // this.select_to_beginning_of_line(
6130 // &SelectToBeginningOfLine {
6131 // stop_at_soft_wraps: false,
6132 // },
6133 // cx,
6134 // );
6135 // this.backspace(&Backspace, cx);
6136 // });
6137 // }
6138
6139 // pub fn move_to_end_of_line(&mut self, _: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
6140 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6141 // s.move_cursors_with(|map, head, _| {
6142 // (movement::line_end(map, head, true), SelectionGoal::None)
6143 // });
6144 // })
6145 // }
6146
6147 // pub fn select_to_end_of_line(
6148 // &mut self,
6149 // action: &SelectToEndOfLine,
6150 // cx: &mut ViewContext<Self>,
6151 // ) {
6152 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6153 // s.move_heads_with(|map, head, _| {
6154 // (
6155 // movement::line_end(map, head, action.stop_at_soft_wraps),
6156 // SelectionGoal::None,
6157 // )
6158 // });
6159 // })
6160 // }
6161
6162 // pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
6163 // self.transact(cx, |this, cx| {
6164 // this.select_to_end_of_line(
6165 // &SelectToEndOfLine {
6166 // stop_at_soft_wraps: false,
6167 // },
6168 // cx,
6169 // );
6170 // this.delete(&Delete, cx);
6171 // });
6172 // }
6173
6174 // pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
6175 // self.transact(cx, |this, cx| {
6176 // this.select_to_end_of_line(
6177 // &SelectToEndOfLine {
6178 // stop_at_soft_wraps: false,
6179 // },
6180 // cx,
6181 // );
6182 // this.cut(&Cut, cx);
6183 // });
6184 // }
6185
6186 // pub fn move_to_start_of_paragraph(
6187 // &mut self,
6188 // _: &MoveToStartOfParagraph,
6189 // cx: &mut ViewContext<Self>,
6190 // ) {
6191 // if matches!(self.mode, EditorMode::SingleLine) {
6192 // cx.propagate_action();
6193 // return;
6194 // }
6195
6196 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6197 // s.move_with(|map, selection| {
6198 // selection.collapse_to(
6199 // movement::start_of_paragraph(map, selection.head(), 1),
6200 // SelectionGoal::None,
6201 // )
6202 // });
6203 // })
6204 // }
6205
6206 // pub fn move_to_end_of_paragraph(
6207 // &mut self,
6208 // _: &MoveToEndOfParagraph,
6209 // cx: &mut ViewContext<Self>,
6210 // ) {
6211 // if matches!(self.mode, EditorMode::SingleLine) {
6212 // cx.propagate_action();
6213 // return;
6214 // }
6215
6216 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6217 // s.move_with(|map, selection| {
6218 // selection.collapse_to(
6219 // movement::end_of_paragraph(map, selection.head(), 1),
6220 // SelectionGoal::None,
6221 // )
6222 // });
6223 // })
6224 // }
6225
6226 // pub fn select_to_start_of_paragraph(
6227 // &mut self,
6228 // _: &SelectToStartOfParagraph,
6229 // cx: &mut ViewContext<Self>,
6230 // ) {
6231 // if matches!(self.mode, EditorMode::SingleLine) {
6232 // cx.propagate_action();
6233 // return;
6234 // }
6235
6236 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6237 // s.move_heads_with(|map, head, _| {
6238 // (
6239 // movement::start_of_paragraph(map, head, 1),
6240 // SelectionGoal::None,
6241 // )
6242 // });
6243 // })
6244 // }
6245
6246 // pub fn select_to_end_of_paragraph(
6247 // &mut self,
6248 // _: &SelectToEndOfParagraph,
6249 // cx: &mut ViewContext<Self>,
6250 // ) {
6251 // if matches!(self.mode, EditorMode::SingleLine) {
6252 // cx.propagate_action();
6253 // return;
6254 // }
6255
6256 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6257 // s.move_heads_with(|map, head, _| {
6258 // (
6259 // movement::end_of_paragraph(map, head, 1),
6260 // SelectionGoal::None,
6261 // )
6262 // });
6263 // })
6264 // }
6265
6266 // pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
6267 // if matches!(self.mode, EditorMode::SingleLine) {
6268 // cx.propagate_action();
6269 // return;
6270 // }
6271
6272 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6273 // s.select_ranges(vec![0..0]);
6274 // });
6275 // }
6276
6277 // pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
6278 // let mut selection = self.selections.last::<Point>(cx);
6279 // selection.set_head(Point::zero(), SelectionGoal::None);
6280
6281 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6282 // s.select(vec![selection]);
6283 // });
6284 // }
6285
6286 // pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
6287 // if matches!(self.mode, EditorMode::SingleLine) {
6288 // cx.propagate_action();
6289 // return;
6290 // }
6291
6292 // let cursor = self.buffer.read(cx).read(cx).len();
6293 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6294 // s.select_ranges(vec![cursor..cursor])
6295 // });
6296 // }
6297
6298 // pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
6299 // self.nav_history = nav_history;
6300 // }
6301
6302 // pub fn nav_history(&self) -> Option<&ItemNavHistory> {
6303 // self.nav_history.as_ref()
6304 // }
6305
6306 fn push_to_nav_history(
6307 &mut self,
6308 cursor_anchor: Anchor,
6309 new_position: Option<Point>,
6310 cx: &mut ViewContext<Self>,
6311 ) {
6312 if let Some(nav_history) = self.nav_history.as_mut() {
6313 let buffer = self.buffer.read(cx).read(cx);
6314 let cursor_position = cursor_anchor.to_point(&buffer);
6315 let scroll_state = self.scroll_manager.anchor();
6316 let scroll_top_row = scroll_state.top_row(&buffer);
6317 drop(buffer);
6318
6319 if let Some(new_position) = new_position {
6320 let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
6321 if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
6322 return;
6323 }
6324 }
6325
6326 nav_history.push(
6327 Some(NavigationData {
6328 cursor_anchor,
6329 cursor_position,
6330 scroll_anchor: scroll_state,
6331 scroll_top_row,
6332 }),
6333 cx,
6334 );
6335 }
6336 }
6337
6338 // pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
6339 // let buffer = self.buffer.read(cx).snapshot(cx);
6340 // let mut selection = self.selections.first::<usize>(cx);
6341 // selection.set_head(buffer.len(), SelectionGoal::None);
6342 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6343 // s.select(vec![selection]);
6344 // });
6345 // }
6346
6347 // pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
6348 // let end = self.buffer.read(cx).read(cx).len();
6349 // self.change_selections(None, cx, |s| {
6350 // s.select_ranges(vec![0..end]);
6351 // });
6352 // }
6353
6354 // pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
6355 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6356 // let mut selections = self.selections.all::<Point>(cx);
6357 // let max_point = display_map.buffer_snapshot.max_point();
6358 // for selection in &mut selections {
6359 // let rows = selection.spanned_rows(true, &display_map);
6360 // selection.start = Point::new(rows.start, 0);
6361 // selection.end = cmp::min(max_point, Point::new(rows.end, 0));
6362 // selection.reversed = false;
6363 // }
6364 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6365 // s.select(selections);
6366 // });
6367 // }
6368
6369 // pub fn split_selection_into_lines(
6370 // &mut self,
6371 // _: &SplitSelectionIntoLines,
6372 // cx: &mut ViewContext<Self>,
6373 // ) {
6374 // let mut to_unfold = Vec::new();
6375 // let mut new_selection_ranges = Vec::new();
6376 // {
6377 // let selections = self.selections.all::<Point>(cx);
6378 // let buffer = self.buffer.read(cx).read(cx);
6379 // for selection in selections {
6380 // for row in selection.start.row..selection.end.row {
6381 // let cursor = Point::new(row, buffer.line_len(row));
6382 // new_selection_ranges.push(cursor..cursor);
6383 // }
6384 // new_selection_ranges.push(selection.end..selection.end);
6385 // to_unfold.push(selection.start..selection.end);
6386 // }
6387 // }
6388 // self.unfold_ranges(to_unfold, true, true, cx);
6389 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6390 // s.select_ranges(new_selection_ranges);
6391 // });
6392 // }
6393
6394 // pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
6395 // self.add_selection(true, cx);
6396 // }
6397
6398 // pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
6399 // self.add_selection(false, cx);
6400 // }
6401
6402 // fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
6403 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6404 // let mut selections = self.selections.all::<Point>(cx);
6405 // let text_layout_details = self.text_layout_details(cx);
6406 // let mut state = self.add_selections_state.take().unwrap_or_else(|| {
6407 // let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
6408 // let range = oldest_selection.display_range(&display_map).sorted();
6409
6410 // let start_x = display_map.x_for_point(range.start, &text_layout_details);
6411 // let end_x = display_map.x_for_point(range.end, &text_layout_details);
6412 // let positions = start_x.min(end_x)..start_x.max(end_x);
6413
6414 // selections.clear();
6415 // let mut stack = Vec::new();
6416 // for row in range.start.row()..=range.end.row() {
6417 // if let Some(selection) = self.selections.build_columnar_selection(
6418 // &display_map,
6419 // row,
6420 // &positions,
6421 // oldest_selection.reversed,
6422 // &text_layout_details,
6423 // ) {
6424 // stack.push(selection.id);
6425 // selections.push(selection);
6426 // }
6427 // }
6428
6429 // if above {
6430 // stack.reverse();
6431 // }
6432
6433 // AddSelectionsState { above, stack }
6434 // });
6435
6436 // let last_added_selection = *state.stack.last().unwrap();
6437 // let mut new_selections = Vec::new();
6438 // if above == state.above {
6439 // let end_row = if above {
6440 // 0
6441 // } else {
6442 // display_map.max_point().row()
6443 // };
6444
6445 // 'outer: for selection in selections {
6446 // if selection.id == last_added_selection {
6447 // let range = selection.display_range(&display_map).sorted();
6448 // debug_assert_eq!(range.start.row(), range.end.row());
6449 // let mut row = range.start.row();
6450 // let positions = if let SelectionGoal::HorizontalRange { start, end } =
6451 // selection.goal
6452 // {
6453 // start..end
6454 // } else {
6455 // let start_x = display_map.x_for_point(range.start, &text_layout_details);
6456 // let end_x = display_map.x_for_point(range.end, &text_layout_details);
6457
6458 // start_x.min(end_x)..start_x.max(end_x)
6459 // };
6460
6461 // while row != end_row {
6462 // if above {
6463 // row -= 1;
6464 // } else {
6465 // row += 1;
6466 // }
6467
6468 // if let Some(new_selection) = self.selections.build_columnar_selection(
6469 // &display_map,
6470 // row,
6471 // &positions,
6472 // selection.reversed,
6473 // &text_layout_details,
6474 // ) {
6475 // state.stack.push(new_selection.id);
6476 // if above {
6477 // new_selections.push(new_selection);
6478 // new_selections.push(selection);
6479 // } else {
6480 // new_selections.push(selection);
6481 // new_selections.push(new_selection);
6482 // }
6483
6484 // continue 'outer;
6485 // }
6486 // }
6487 // }
6488
6489 // new_selections.push(selection);
6490 // }
6491 // } else {
6492 // new_selections = selections;
6493 // new_selections.retain(|s| s.id != last_added_selection);
6494 // state.stack.pop();
6495 // }
6496
6497 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
6498 // s.select(new_selections);
6499 // });
6500 // if state.stack.len() > 1 {
6501 // self.add_selections_state = Some(state);
6502 // }
6503 // }
6504
6505 // pub fn select_next_match_internal(
6506 // &mut self,
6507 // display_map: &DisplaySnapshot,
6508 // replace_newest: bool,
6509 // autoscroll: Option<Autoscroll>,
6510 // cx: &mut ViewContext<Self>,
6511 // ) -> Result<()> {
6512 // fn select_next_match_ranges(
6513 // this: &mut Editor,
6514 // range: Range<usize>,
6515 // replace_newest: bool,
6516 // auto_scroll: Option<Autoscroll>,
6517 // cx: &mut ViewContext<Editor>,
6518 // ) {
6519 // this.unfold_ranges([range.clone()], false, true, cx);
6520 // this.change_selections(auto_scroll, cx, |s| {
6521 // if replace_newest {
6522 // s.delete(s.newest_anchor().id);
6523 // }
6524 // s.insert_range(range.clone());
6525 // });
6526 // }
6527
6528 // let buffer = &display_map.buffer_snapshot;
6529 // let mut selections = self.selections.all::<usize>(cx);
6530 // if let Some(mut select_next_state) = self.select_next_state.take() {
6531 // let query = &select_next_state.query;
6532 // if !select_next_state.done {
6533 // let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
6534 // let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
6535 // let mut next_selected_range = None;
6536
6537 // let bytes_after_last_selection =
6538 // buffer.bytes_in_range(last_selection.end..buffer.len());
6539 // let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
6540 // let query_matches = query
6541 // .stream_find_iter(bytes_after_last_selection)
6542 // .map(|result| (last_selection.end, result))
6543 // .chain(
6544 // query
6545 // .stream_find_iter(bytes_before_first_selection)
6546 // .map(|result| (0, result)),
6547 // );
6548
6549 // for (start_offset, query_match) in query_matches {
6550 // let query_match = query_match.unwrap(); // can only fail due to I/O
6551 // let offset_range =
6552 // start_offset + query_match.start()..start_offset + query_match.end();
6553 // let display_range = offset_range.start.to_display_point(&display_map)
6554 // ..offset_range.end.to_display_point(&display_map);
6555
6556 // if !select_next_state.wordwise
6557 // || (!movement::is_inside_word(&display_map, display_range.start)
6558 // && !movement::is_inside_word(&display_map, display_range.end))
6559 // {
6560 // if selections
6561 // .iter()
6562 // .find(|selection| selection.range().overlaps(&offset_range))
6563 // .is_none()
6564 // {
6565 // next_selected_range = Some(offset_range);
6566 // break;
6567 // }
6568 // }
6569 // }
6570
6571 // if let Some(next_selected_range) = next_selected_range {
6572 // select_next_match_ranges(
6573 // self,
6574 // next_selected_range,
6575 // replace_newest,
6576 // autoscroll,
6577 // cx,
6578 // );
6579 // } else {
6580 // select_next_state.done = true;
6581 // }
6582 // }
6583
6584 // self.select_next_state = Some(select_next_state);
6585 // } else if selections.len() == 1 {
6586 // let selection = selections.last_mut().unwrap();
6587 // if selection.start == selection.end {
6588 // let word_range = movement::surrounding_word(
6589 // &display_map,
6590 // selection.start.to_display_point(&display_map),
6591 // );
6592 // selection.start = word_range.start.to_offset(&display_map, Bias::Left);
6593 // selection.end = word_range.end.to_offset(&display_map, Bias::Left);
6594 // selection.goal = SelectionGoal::None;
6595 // selection.reversed = false;
6596
6597 // let query = buffer
6598 // .text_for_range(selection.start..selection.end)
6599 // .collect::<String>();
6600
6601 // let is_empty = query.is_empty();
6602 // let select_state = SelectNextState {
6603 // query: AhoCorasick::new(&[query])?,
6604 // wordwise: true,
6605 // done: is_empty,
6606 // };
6607 // select_next_match_ranges(
6608 // self,
6609 // selection.start..selection.end,
6610 // replace_newest,
6611 // autoscroll,
6612 // cx,
6613 // );
6614 // self.select_next_state = Some(select_state);
6615 // } else {
6616 // let query = buffer
6617 // .text_for_range(selection.start..selection.end)
6618 // .collect::<String>();
6619 // self.select_next_state = Some(SelectNextState {
6620 // query: AhoCorasick::new(&[query])?,
6621 // wordwise: false,
6622 // done: false,
6623 // });
6624 // self.select_next_match_internal(display_map, replace_newest, autoscroll, cx)?;
6625 // }
6626 // }
6627 // Ok(())
6628 // }
6629
6630 // pub fn select_all_matches(
6631 // &mut self,
6632 // action: &SelectAllMatches,
6633 // cx: &mut ViewContext<Self>,
6634 // ) -> Result<()> {
6635 // self.push_to_selection_history();
6636 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6637
6638 // loop {
6639 // self.select_next_match_internal(&display_map, action.replace_newest, None, cx)?;
6640
6641 // if self
6642 // .select_next_state
6643 // .as_ref()
6644 // .map(|selection_state| selection_state.done)
6645 // .unwrap_or(true)
6646 // {
6647 // break;
6648 // }
6649 // }
6650
6651 // Ok(())
6652 // }
6653
6654 // pub fn select_next(&mut self, action: &SelectNext, cx: &mut ViewContext<Self>) -> Result<()> {
6655 // self.push_to_selection_history();
6656 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6657 // self.select_next_match_internal(
6658 // &display_map,
6659 // action.replace_newest,
6660 // Some(Autoscroll::newest()),
6661 // cx,
6662 // )?;
6663 // Ok(())
6664 // }
6665
6666 // pub fn select_previous(
6667 // &mut self,
6668 // action: &SelectPrevious,
6669 // cx: &mut ViewContext<Self>,
6670 // ) -> Result<()> {
6671 // self.push_to_selection_history();
6672 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
6673 // let buffer = &display_map.buffer_snapshot;
6674 // let mut selections = self.selections.all::<usize>(cx);
6675 // if let Some(mut select_prev_state) = self.select_prev_state.take() {
6676 // let query = &select_prev_state.query;
6677 // if !select_prev_state.done {
6678 // let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
6679 // let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
6680 // let mut next_selected_range = None;
6681 // // When we're iterating matches backwards, the oldest match will actually be the furthest one in the buffer.
6682 // let bytes_before_last_selection =
6683 // buffer.reversed_bytes_in_range(0..last_selection.start);
6684 // let bytes_after_first_selection =
6685 // buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
6686 // let query_matches = query
6687 // .stream_find_iter(bytes_before_last_selection)
6688 // .map(|result| (last_selection.start, result))
6689 // .chain(
6690 // query
6691 // .stream_find_iter(bytes_after_first_selection)
6692 // .map(|result| (buffer.len(), result)),
6693 // );
6694 // for (end_offset, query_match) in query_matches {
6695 // let query_match = query_match.unwrap(); // can only fail due to I/O
6696 // let offset_range =
6697 // end_offset - query_match.end()..end_offset - query_match.start();
6698 // let display_range = offset_range.start.to_display_point(&display_map)
6699 // ..offset_range.end.to_display_point(&display_map);
6700
6701 // if !select_prev_state.wordwise
6702 // || (!movement::is_inside_word(&display_map, display_range.start)
6703 // && !movement::is_inside_word(&display_map, display_range.end))
6704 // {
6705 // next_selected_range = Some(offset_range);
6706 // break;
6707 // }
6708 // }
6709
6710 // if let Some(next_selected_range) = next_selected_range {
6711 // self.unfold_ranges([next_selected_range.clone()], false, true, cx);
6712 // self.change_selections(Some(Autoscroll::newest()), cx, |s| {
6713 // if action.replace_newest {
6714 // s.delete(s.newest_anchor().id);
6715 // }
6716 // s.insert_range(next_selected_range);
6717 // });
6718 // } else {
6719 // select_prev_state.done = true;
6720 // }
6721 // }
6722
6723 // self.select_prev_state = Some(select_prev_state);
6724 // } else if selections.len() == 1 {
6725 // let selection = selections.last_mut().unwrap();
6726 // if selection.start == selection.end {
6727 // let word_range = movement::surrounding_word(
6728 // &display_map,
6729 // selection.start.to_display_point(&display_map),
6730 // );
6731 // selection.start = word_range.start.to_offset(&display_map, Bias::Left);
6732 // selection.end = word_range.end.to_offset(&display_map, Bias::Left);
6733 // selection.goal = SelectionGoal::None;
6734 // selection.reversed = false;
6735
6736 // let query = buffer
6737 // .text_for_range(selection.start..selection.end)
6738 // .collect::<String>();
6739 // let query = query.chars().rev().collect::<String>();
6740 // let select_state = SelectNextState {
6741 // query: AhoCorasick::new(&[query])?,
6742 // wordwise: true,
6743 // done: false,
6744 // };
6745 // self.unfold_ranges([selection.start..selection.end], false, true, cx);
6746 // self.change_selections(Some(Autoscroll::newest()), cx, |s| {
6747 // s.select(selections);
6748 // });
6749 // self.select_prev_state = Some(select_state);
6750 // } else {
6751 // let query = buffer
6752 // .text_for_range(selection.start..selection.end)
6753 // .collect::<String>();
6754 // let query = query.chars().rev().collect::<String>();
6755 // self.select_prev_state = Some(SelectNextState {
6756 // query: AhoCorasick::new(&[query])?,
6757 // wordwise: false,
6758 // done: false,
6759 // });
6760 // self.select_previous(action, cx)?;
6761 // }
6762 // }
6763 // Ok(())
6764 // }
6765
6766 // pub fn toggle_comments(&mut self, action: &ToggleComments, cx: &mut ViewContext<Self>) {
6767 // let text_layout_details = &self.text_layout_details(cx);
6768 // self.transact(cx, |this, cx| {
6769 // let mut selections = this.selections.all::<Point>(cx);
6770 // let mut edits = Vec::new();
6771 // let mut selection_edit_ranges = Vec::new();
6772 // let mut last_toggled_row = None;
6773 // let snapshot = this.buffer.read(cx).read(cx);
6774 // let empty_str: Arc<str> = "".into();
6775 // let mut suffixes_inserted = Vec::new();
6776
6777 // fn comment_prefix_range(
6778 // snapshot: &MultiBufferSnapshot,
6779 // row: u32,
6780 // comment_prefix: &str,
6781 // comment_prefix_whitespace: &str,
6782 // ) -> Range<Point> {
6783 // let start = Point::new(row, snapshot.indent_size_for_line(row).len);
6784
6785 // let mut line_bytes = snapshot
6786 // .bytes_in_range(start..snapshot.max_point())
6787 // .flatten()
6788 // .copied();
6789
6790 // // If this line currently begins with the line comment prefix, then record
6791 // // the range containing the prefix.
6792 // if line_bytes
6793 // .by_ref()
6794 // .take(comment_prefix.len())
6795 // .eq(comment_prefix.bytes())
6796 // {
6797 // // Include any whitespace that matches the comment prefix.
6798 // let matching_whitespace_len = line_bytes
6799 // .zip(comment_prefix_whitespace.bytes())
6800 // .take_while(|(a, b)| a == b)
6801 // .count() as u32;
6802 // let end = Point::new(
6803 // start.row,
6804 // start.column + comment_prefix.len() as u32 + matching_whitespace_len,
6805 // );
6806 // start..end
6807 // } else {
6808 // start..start
6809 // }
6810 // }
6811
6812 // fn comment_suffix_range(
6813 // snapshot: &MultiBufferSnapshot,
6814 // row: u32,
6815 // comment_suffix: &str,
6816 // comment_suffix_has_leading_space: bool,
6817 // ) -> Range<Point> {
6818 // let end = Point::new(row, snapshot.line_len(row));
6819 // let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
6820
6821 // let mut line_end_bytes = snapshot
6822 // .bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
6823 // .flatten()
6824 // .copied();
6825
6826 // let leading_space_len = if suffix_start_column > 0
6827 // && line_end_bytes.next() == Some(b' ')
6828 // && comment_suffix_has_leading_space
6829 // {
6830 // 1
6831 // } else {
6832 // 0
6833 // };
6834
6835 // // If this line currently begins with the line comment prefix, then record
6836 // // the range containing the prefix.
6837 // if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
6838 // let start = Point::new(end.row, suffix_start_column - leading_space_len);
6839 // start..end
6840 // } else {
6841 // end..end
6842 // }
6843 // }
6844
6845 // // TODO: Handle selections that cross excerpts
6846 // for selection in &mut selections {
6847 // let start_column = snapshot.indent_size_for_line(selection.start.row).len;
6848 // let language = if let Some(language) =
6849 // snapshot.language_scope_at(Point::new(selection.start.row, start_column))
6850 // {
6851 // language
6852 // } else {
6853 // continue;
6854 // };
6855
6856 // selection_edit_ranges.clear();
6857
6858 // // If multiple selections contain a given row, avoid processing that
6859 // // row more than once.
6860 // let mut start_row = selection.start.row;
6861 // if last_toggled_row == Some(start_row) {
6862 // start_row += 1;
6863 // }
6864 // let end_row =
6865 // if selection.end.row > selection.start.row && selection.end.column == 0 {
6866 // selection.end.row - 1
6867 // } else {
6868 // selection.end.row
6869 // };
6870 // last_toggled_row = Some(end_row);
6871
6872 // if start_row > end_row {
6873 // continue;
6874 // }
6875
6876 // // If the language has line comments, toggle those.
6877 // if let Some(full_comment_prefix) = language.line_comment_prefix() {
6878 // // Split the comment prefix's trailing whitespace into a separate string,
6879 // // as that portion won't be used for detecting if a line is a comment.
6880 // let comment_prefix = full_comment_prefix.trim_end_matches(' ');
6881 // let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
6882 // let mut all_selection_lines_are_comments = true;
6883
6884 // for row in start_row..=end_row {
6885 // if snapshot.is_line_blank(row) && start_row < end_row {
6886 // continue;
6887 // }
6888
6889 // let prefix_range = comment_prefix_range(
6890 // snapshot.deref(),
6891 // row,
6892 // comment_prefix,
6893 // comment_prefix_whitespace,
6894 // );
6895 // if prefix_range.is_empty() {
6896 // all_selection_lines_are_comments = false;
6897 // }
6898 // selection_edit_ranges.push(prefix_range);
6899 // }
6900
6901 // if all_selection_lines_are_comments {
6902 // edits.extend(
6903 // selection_edit_ranges
6904 // .iter()
6905 // .cloned()
6906 // .map(|range| (range, empty_str.clone())),
6907 // );
6908 // } else {
6909 // let min_column = selection_edit_ranges
6910 // .iter()
6911 // .map(|r| r.start.column)
6912 // .min()
6913 // .unwrap_or(0);
6914 // edits.extend(selection_edit_ranges.iter().map(|range| {
6915 // let position = Point::new(range.start.row, min_column);
6916 // (position..position, full_comment_prefix.clone())
6917 // }));
6918 // }
6919 // } else if let Some((full_comment_prefix, comment_suffix)) =
6920 // language.block_comment_delimiters()
6921 // {
6922 // let comment_prefix = full_comment_prefix.trim_end_matches(' ');
6923 // let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
6924 // let prefix_range = comment_prefix_range(
6925 // snapshot.deref(),
6926 // start_row,
6927 // comment_prefix,
6928 // comment_prefix_whitespace,
6929 // );
6930 // let suffix_range = comment_suffix_range(
6931 // snapshot.deref(),
6932 // end_row,
6933 // comment_suffix.trim_start_matches(' '),
6934 // comment_suffix.starts_with(' '),
6935 // );
6936
6937 // if prefix_range.is_empty() || suffix_range.is_empty() {
6938 // edits.push((
6939 // prefix_range.start..prefix_range.start,
6940 // full_comment_prefix.clone(),
6941 // ));
6942 // edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
6943 // suffixes_inserted.push((end_row, comment_suffix.len()));
6944 // } else {
6945 // edits.push((prefix_range, empty_str.clone()));
6946 // edits.push((suffix_range, empty_str.clone()));
6947 // }
6948 // } else {
6949 // continue;
6950 // }
6951 // }
6952
6953 // drop(snapshot);
6954 // this.buffer.update(cx, |buffer, cx| {
6955 // buffer.edit(edits, None, cx);
6956 // });
6957
6958 // // Adjust selections so that they end before any comment suffixes that
6959 // // were inserted.
6960 // let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
6961 // let mut selections = this.selections.all::<Point>(cx);
6962 // let snapshot = this.buffer.read(cx).read(cx);
6963 // for selection in &mut selections {
6964 // while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
6965 // match row.cmp(&selection.end.row) {
6966 // Ordering::Less => {
6967 // suffixes_inserted.next();
6968 // continue;
6969 // }
6970 // Ordering::Greater => break,
6971 // Ordering::Equal => {
6972 // if selection.end.column == snapshot.line_len(row) {
6973 // if selection.is_empty() {
6974 // selection.start.column -= suffix_len as u32;
6975 // }
6976 // selection.end.column -= suffix_len as u32;
6977 // }
6978 // break;
6979 // }
6980 // }
6981 // }
6982 // }
6983
6984 // drop(snapshot);
6985 // this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
6986
6987 // let selections = this.selections.all::<Point>(cx);
6988 // let selections_on_single_row = selections.windows(2).all(|selections| {
6989 // selections[0].start.row == selections[1].start.row
6990 // && selections[0].end.row == selections[1].end.row
6991 // && selections[0].start.row == selections[0].end.row
6992 // });
6993 // let selections_selecting = selections
6994 // .iter()
6995 // .any(|selection| selection.start != selection.end);
6996 // let advance_downwards = action.advance_downwards
6997 // && selections_on_single_row
6998 // && !selections_selecting
6999 // && this.mode != EditorMode::SingleLine;
7000
7001 // if advance_downwards {
7002 // let snapshot = this.buffer.read(cx).snapshot(cx);
7003
7004 // this.change_selections(Some(Autoscroll::fit()), cx, |s| {
7005 // s.move_cursors_with(|display_snapshot, display_point, _| {
7006 // let mut point = display_point.to_point(display_snapshot);
7007 // point.row += 1;
7008 // point = snapshot.clip_point(point, Bias::Left);
7009 // let display_point = point.to_display_point(display_snapshot);
7010 // let goal = SelectionGoal::HorizontalPosition(
7011 // display_snapshot.x_for_point(display_point, &text_layout_details),
7012 // );
7013 // (display_point, goal)
7014 // })
7015 // });
7016 // }
7017 // });
7018 // }
7019
7020 // pub fn select_larger_syntax_node(
7021 // &mut self,
7022 // _: &SelectLargerSyntaxNode,
7023 // cx: &mut ViewContext<Self>,
7024 // ) {
7025 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
7026 // let buffer = self.buffer.read(cx).snapshot(cx);
7027 // let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
7028
7029 // let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
7030 // let mut selected_larger_node = false;
7031 // let new_selections = old_selections
7032 // .iter()
7033 // .map(|selection| {
7034 // let old_range = selection.start..selection.end;
7035 // let mut new_range = old_range.clone();
7036 // while let Some(containing_range) =
7037 // buffer.range_for_syntax_ancestor(new_range.clone())
7038 // {
7039 // new_range = containing_range;
7040 // if !display_map.intersects_fold(new_range.start)
7041 // && !display_map.intersects_fold(new_range.end)
7042 // {
7043 // break;
7044 // }
7045 // }
7046
7047 // selected_larger_node |= new_range != old_range;
7048 // Selection {
7049 // id: selection.id,
7050 // start: new_range.start,
7051 // end: new_range.end,
7052 // goal: SelectionGoal::None,
7053 // reversed: selection.reversed,
7054 // }
7055 // })
7056 // .collect::<Vec<_>>();
7057
7058 // if selected_larger_node {
7059 // stack.push(old_selections);
7060 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7061 // s.select(new_selections);
7062 // });
7063 // }
7064 // self.select_larger_syntax_node_stack = stack;
7065 // }
7066
7067 // pub fn select_smaller_syntax_node(
7068 // &mut self,
7069 // _: &SelectSmallerSyntaxNode,
7070 // cx: &mut ViewContext<Self>,
7071 // ) {
7072 // let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
7073 // if let Some(selections) = stack.pop() {
7074 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7075 // s.select(selections.to_vec());
7076 // });
7077 // }
7078 // self.select_larger_syntax_node_stack = stack;
7079 // }
7080
7081 // pub fn move_to_enclosing_bracket(
7082 // &mut self,
7083 // _: &MoveToEnclosingBracket,
7084 // cx: &mut ViewContext<Self>,
7085 // ) {
7086 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7087 // s.move_offsets_with(|snapshot, selection| {
7088 // let Some(enclosing_bracket_ranges) =
7089 // snapshot.enclosing_bracket_ranges(selection.start..selection.end)
7090 // else {
7091 // return;
7092 // };
7093
7094 // let mut best_length = usize::MAX;
7095 // let mut best_inside = false;
7096 // let mut best_in_bracket_range = false;
7097 // let mut best_destination = None;
7098 // for (open, close) in enclosing_bracket_ranges {
7099 // let close = close.to_inclusive();
7100 // let length = close.end() - open.start;
7101 // let inside = selection.start >= open.end && selection.end <= *close.start();
7102 // let in_bracket_range = open.to_inclusive().contains(&selection.head())
7103 // || close.contains(&selection.head());
7104
7105 // // If best is next to a bracket and current isn't, skip
7106 // if !in_bracket_range && best_in_bracket_range {
7107 // continue;
7108 // }
7109
7110 // // Prefer smaller lengths unless best is inside and current isn't
7111 // if length > best_length && (best_inside || !inside) {
7112 // continue;
7113 // }
7114
7115 // best_length = length;
7116 // best_inside = inside;
7117 // best_in_bracket_range = in_bracket_range;
7118 // best_destination = Some(
7119 // if close.contains(&selection.start) && close.contains(&selection.end) {
7120 // if inside {
7121 // open.end
7122 // } else {
7123 // open.start
7124 // }
7125 // } else {
7126 // if inside {
7127 // *close.start()
7128 // } else {
7129 // *close.end()
7130 // }
7131 // },
7132 // );
7133 // }
7134
7135 // if let Some(destination) = best_destination {
7136 // selection.collapse_to(destination, SelectionGoal::None);
7137 // }
7138 // })
7139 // });
7140 // }
7141
7142 // pub fn undo_selection(&mut self, _: &UndoSelection, cx: &mut ViewContext<Self>) {
7143 // self.end_selection(cx);
7144 // self.selection_history.mode = SelectionHistoryMode::Undoing;
7145 // if let Some(entry) = self.selection_history.undo_stack.pop_back() {
7146 // self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
7147 // self.select_next_state = entry.select_next_state;
7148 // self.select_prev_state = entry.select_prev_state;
7149 // self.add_selections_state = entry.add_selections_state;
7150 // self.request_autoscroll(Autoscroll::newest(), cx);
7151 // }
7152 // self.selection_history.mode = SelectionHistoryMode::Normal;
7153 // }
7154
7155 // pub fn redo_selection(&mut self, _: &RedoSelection, cx: &mut ViewContext<Self>) {
7156 // self.end_selection(cx);
7157 // self.selection_history.mode = SelectionHistoryMode::Redoing;
7158 // if let Some(entry) = self.selection_history.redo_stack.pop_back() {
7159 // self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
7160 // self.select_next_state = entry.select_next_state;
7161 // self.select_prev_state = entry.select_prev_state;
7162 // self.add_selections_state = entry.add_selections_state;
7163 // self.request_autoscroll(Autoscroll::newest(), cx);
7164 // }
7165 // self.selection_history.mode = SelectionHistoryMode::Normal;
7166 // }
7167
7168 // fn go_to_diagnostic(&mut self, _: &GoToDiagnostic, cx: &mut ViewContext<Self>) {
7169 // self.go_to_diagnostic_impl(Direction::Next, cx)
7170 // }
7171
7172 // fn go_to_prev_diagnostic(&mut self, _: &GoToPrevDiagnostic, cx: &mut ViewContext<Self>) {
7173 // self.go_to_diagnostic_impl(Direction::Prev, cx)
7174 // }
7175
7176 // pub fn go_to_diagnostic_impl(&mut self, direction: Direction, cx: &mut ViewContext<Self>) {
7177 // let buffer = self.buffer.read(cx).snapshot(cx);
7178 // let selection = self.selections.newest::<usize>(cx);
7179
7180 // // If there is an active Diagnostic Popover. Jump to it's diagnostic instead.
7181 // if direction == Direction::Next {
7182 // if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
7183 // let (group_id, jump_to) = popover.activation_info();
7184 // if self.activate_diagnostics(group_id, cx) {
7185 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7186 // let mut new_selection = s.newest_anchor().clone();
7187 // new_selection.collapse_to(jump_to, SelectionGoal::None);
7188 // s.select_anchors(vec![new_selection.clone()]);
7189 // });
7190 // }
7191 // return;
7192 // }
7193 // }
7194
7195 // let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
7196 // active_diagnostics
7197 // .primary_range
7198 // .to_offset(&buffer)
7199 // .to_inclusive()
7200 // });
7201 // let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
7202 // if active_primary_range.contains(&selection.head()) {
7203 // *active_primary_range.end()
7204 // } else {
7205 // selection.head()
7206 // }
7207 // } else {
7208 // selection.head()
7209 // };
7210
7211 // loop {
7212 // let mut diagnostics = if direction == Direction::Prev {
7213 // buffer.diagnostics_in_range::<_, usize>(0..search_start, true)
7214 // } else {
7215 // buffer.diagnostics_in_range::<_, usize>(search_start..buffer.len(), false)
7216 // };
7217 // let group = diagnostics.find_map(|entry| {
7218 // if entry.diagnostic.is_primary
7219 // && entry.diagnostic.severity <= DiagnosticSeverity::WARNING
7220 // && !entry.range.is_empty()
7221 // && Some(entry.range.end) != active_primary_range.as_ref().map(|r| *r.end())
7222 // && !entry.range.contains(&search_start)
7223 // {
7224 // Some((entry.range, entry.diagnostic.group_id))
7225 // } else {
7226 // None
7227 // }
7228 // });
7229
7230 // if let Some((primary_range, group_id)) = group {
7231 // if self.activate_diagnostics(group_id, cx) {
7232 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7233 // s.select(vec![Selection {
7234 // id: selection.id,
7235 // start: primary_range.start,
7236 // end: primary_range.start,
7237 // reversed: false,
7238 // goal: SelectionGoal::None,
7239 // }]);
7240 // });
7241 // }
7242 // break;
7243 // } else {
7244 // // Cycle around to the start of the buffer, potentially moving back to the start of
7245 // // the currently active diagnostic.
7246 // active_primary_range.take();
7247 // if direction == Direction::Prev {
7248 // if search_start == buffer.len() {
7249 // break;
7250 // } else {
7251 // search_start = buffer.len();
7252 // }
7253 // } else if search_start == 0 {
7254 // break;
7255 // } else {
7256 // search_start = 0;
7257 // }
7258 // }
7259 // }
7260 // }
7261
7262 // fn go_to_hunk(&mut self, _: &GoToHunk, cx: &mut ViewContext<Self>) {
7263 // let snapshot = self
7264 // .display_map
7265 // .update(cx, |display_map, cx| display_map.snapshot(cx));
7266 // let selection = self.selections.newest::<Point>(cx);
7267
7268 // if !self.seek_in_direction(
7269 // &snapshot,
7270 // selection.head(),
7271 // false,
7272 // snapshot
7273 // .buffer_snapshot
7274 // .git_diff_hunks_in_range((selection.head().row + 1)..u32::MAX),
7275 // cx,
7276 // ) {
7277 // let wrapped_point = Point::zero();
7278 // self.seek_in_direction(
7279 // &snapshot,
7280 // wrapped_point,
7281 // true,
7282 // snapshot
7283 // .buffer_snapshot
7284 // .git_diff_hunks_in_range((wrapped_point.row + 1)..u32::MAX),
7285 // cx,
7286 // );
7287 // }
7288 // }
7289
7290 // fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, cx: &mut ViewContext<Self>) {
7291 // let snapshot = self
7292 // .display_map
7293 // .update(cx, |display_map, cx| display_map.snapshot(cx));
7294 // let selection = self.selections.newest::<Point>(cx);
7295
7296 // if !self.seek_in_direction(
7297 // &snapshot,
7298 // selection.head(),
7299 // false,
7300 // snapshot
7301 // .buffer_snapshot
7302 // .git_diff_hunks_in_range_rev(0..selection.head().row),
7303 // cx,
7304 // ) {
7305 // let wrapped_point = snapshot.buffer_snapshot.max_point();
7306 // self.seek_in_direction(
7307 // &snapshot,
7308 // wrapped_point,
7309 // true,
7310 // snapshot
7311 // .buffer_snapshot
7312 // .git_diff_hunks_in_range_rev(0..wrapped_point.row),
7313 // cx,
7314 // );
7315 // }
7316 // }
7317
7318 // fn seek_in_direction(
7319 // &mut self,
7320 // snapshot: &DisplaySnapshot,
7321 // initial_point: Point,
7322 // is_wrapped: bool,
7323 // hunks: impl Iterator<Item = DiffHunk<u32>>,
7324 // cx: &mut ViewContext<Editor>,
7325 // ) -> bool {
7326 // let display_point = initial_point.to_display_point(snapshot);
7327 // let mut hunks = hunks
7328 // .map(|hunk| diff_hunk_to_display(hunk, &snapshot))
7329 // .filter(|hunk| {
7330 // if is_wrapped {
7331 // true
7332 // } else {
7333 // !hunk.contains_display_row(display_point.row())
7334 // }
7335 // })
7336 // .dedup();
7337
7338 // if let Some(hunk) = hunks.next() {
7339 // self.change_selections(Some(Autoscroll::fit()), cx, |s| {
7340 // let row = hunk.start_display_row();
7341 // let point = DisplayPoint::new(row, 0);
7342 // s.select_display_ranges([point..point]);
7343 // });
7344
7345 // true
7346 // } else {
7347 // false
7348 // }
7349 // }
7350
7351 // pub fn go_to_definition(&mut self, _: &GoToDefinition, cx: &mut ViewContext<Self>) {
7352 // self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, cx);
7353 // }
7354
7355 // pub fn go_to_type_definition(&mut self, _: &GoToTypeDefinition, cx: &mut ViewContext<Self>) {
7356 // self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, cx);
7357 // }
7358
7359 // pub fn go_to_definition_split(&mut self, _: &GoToDefinitionSplit, cx: &mut ViewContext<Self>) {
7360 // self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, cx);
7361 // }
7362
7363 // pub fn go_to_type_definition_split(
7364 // &mut self,
7365 // _: &GoToTypeDefinitionSplit,
7366 // cx: &mut ViewContext<Self>,
7367 // ) {
7368 // self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, cx);
7369 // }
7370
7371 // fn go_to_definition_of_kind(
7372 // &mut self,
7373 // kind: GotoDefinitionKind,
7374 // split: bool,
7375 // cx: &mut ViewContext<Self>,
7376 // ) {
7377 // let Some(workspace) = self.workspace(cx) else {
7378 // return;
7379 // };
7380 // let buffer = self.buffer.read(cx);
7381 // let head = self.selections.newest::<usize>(cx).head();
7382 // let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
7383 // text_anchor
7384 // } else {
7385 // return;
7386 // };
7387
7388 // let project = workspace.read(cx).project().clone();
7389 // let definitions = project.update(cx, |project, cx| match kind {
7390 // GotoDefinitionKind::Symbol => project.definition(&buffer, head, cx),
7391 // GotoDefinitionKind::Type => project.type_definition(&buffer, head, cx),
7392 // });
7393
7394 // cx.spawn_labeled("Fetching Definition...", |editor, mut cx| async move {
7395 // let definitions = definitions.await?;
7396 // editor.update(&mut cx, |editor, cx| {
7397 // editor.navigate_to_definitions(
7398 // definitions
7399 // .into_iter()
7400 // .map(GoToDefinitionLink::Text)
7401 // .collect(),
7402 // split,
7403 // cx,
7404 // );
7405 // })?;
7406 // Ok::<(), anyhow::Error>(())
7407 // })
7408 // .detach_and_log_err(cx);
7409 // }
7410
7411 // pub fn navigate_to_definitions(
7412 // &mut self,
7413 // mut definitions: Vec<GoToDefinitionLink>,
7414 // split: bool,
7415 // cx: &mut ViewContext<Editor>,
7416 // ) {
7417 // let Some(workspace) = self.workspace(cx) else {
7418 // return;
7419 // };
7420 // let pane = workspace.read(cx).active_pane().clone();
7421 // // If there is one definition, just open it directly
7422 // if definitions.len() == 1 {
7423 // let definition = definitions.pop().unwrap();
7424 // let target_task = match definition {
7425 // GoToDefinitionLink::Text(link) => Task::Ready(Some(Ok(Some(link.target)))),
7426 // GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
7427 // self.compute_target_location(lsp_location, server_id, cx)
7428 // }
7429 // };
7430 // cx.spawn(|editor, mut cx| async move {
7431 // let target = target_task.await.context("target resolution task")?;
7432 // if let Some(target) = target {
7433 // editor.update(&mut cx, |editor, cx| {
7434 // let range = target.range.to_offset(target.buffer.read(cx));
7435 // let range = editor.range_for_match(&range);
7436 // if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
7437 // editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
7438 // s.select_ranges([range]);
7439 // });
7440 // } else {
7441 // cx.window_context().defer(move |cx| {
7442 // let target_editor: ViewHandle<Self> =
7443 // workspace.update(cx, |workspace, cx| {
7444 // if split {
7445 // workspace.split_project_item(target.buffer.clone(), cx)
7446 // } else {
7447 // workspace.open_project_item(target.buffer.clone(), cx)
7448 // }
7449 // });
7450 // target_editor.update(cx, |target_editor, cx| {
7451 // // When selecting a definition in a different buffer, disable the nav history
7452 // // to avoid creating a history entry at the previous cursor location.
7453 // pane.update(cx, |pane, _| pane.disable_history());
7454 // target_editor.change_selections(
7455 // Some(Autoscroll::fit()),
7456 // cx,
7457 // |s| {
7458 // s.select_ranges([range]);
7459 // },
7460 // );
7461 // pane.update(cx, |pane, _| pane.enable_history());
7462 // });
7463 // });
7464 // }
7465 // })
7466 // } else {
7467 // Ok(())
7468 // }
7469 // })
7470 // .detach_and_log_err(cx);
7471 // } else if !definitions.is_empty() {
7472 // let replica_id = self.replica_id(cx);
7473 // cx.spawn(|editor, mut cx| async move {
7474 // let (title, location_tasks) = editor
7475 // .update(&mut cx, |editor, cx| {
7476 // let title = definitions
7477 // .iter()
7478 // .find_map(|definition| match definition {
7479 // GoToDefinitionLink::Text(link) => {
7480 // link.origin.as_ref().map(|origin| {
7481 // let buffer = origin.buffer.read(cx);
7482 // format!(
7483 // "Definitions for {}",
7484 // buffer
7485 // .text_for_range(origin.range.clone())
7486 // .collect::<String>()
7487 // )
7488 // })
7489 // }
7490 // GoToDefinitionLink::InlayHint(_, _) => None,
7491 // })
7492 // .unwrap_or("Definitions".to_string());
7493 // let location_tasks = definitions
7494 // .into_iter()
7495 // .map(|definition| match definition {
7496 // GoToDefinitionLink::Text(link) => {
7497 // Task::Ready(Some(Ok(Some(link.target))))
7498 // }
7499 // GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
7500 // editor.compute_target_location(lsp_location, server_id, cx)
7501 // }
7502 // })
7503 // .collect::<Vec<_>>();
7504 // (title, location_tasks)
7505 // })
7506 // .context("location tasks preparation")?;
7507
7508 // let locations = futures::future::join_all(location_tasks)
7509 // .await
7510 // .into_iter()
7511 // .filter_map(|location| location.transpose())
7512 // .collect::<Result<_>>()
7513 // .context("location tasks")?;
7514 // workspace.update(&mut cx, |workspace, cx| {
7515 // Self::open_locations_in_multibuffer(
7516 // workspace, locations, replica_id, title, split, cx,
7517 // )
7518 // });
7519
7520 // anyhow::Ok(())
7521 // })
7522 // .detach_and_log_err(cx);
7523 // }
7524 // }
7525
7526 // fn compute_target_location(
7527 // &self,
7528 // lsp_location: lsp::Location,
7529 // server_id: LanguageServerId,
7530 // cx: &mut ViewContext<Editor>,
7531 // ) -> Task<anyhow::Result<Option<Location>>> {
7532 // let Some(project) = self.project.clone() else {
7533 // return Task::Ready(Some(Ok(None)));
7534 // };
7535
7536 // cx.spawn(move |editor, mut cx| async move {
7537 // let location_task = editor.update(&mut cx, |editor, cx| {
7538 // project.update(cx, |project, cx| {
7539 // let language_server_name =
7540 // editor.buffer.read(cx).as_singleton().and_then(|buffer| {
7541 // project
7542 // .language_server_for_buffer(buffer.read(cx), server_id, cx)
7543 // .map(|(_, lsp_adapter)| {
7544 // LanguageServerName(Arc::from(lsp_adapter.name()))
7545 // })
7546 // });
7547 // language_server_name.map(|language_server_name| {
7548 // project.open_local_buffer_via_lsp(
7549 // lsp_location.uri.clone(),
7550 // server_id,
7551 // language_server_name,
7552 // cx,
7553 // )
7554 // })
7555 // })
7556 // })?;
7557 // let location = match location_task {
7558 // Some(task) => Some({
7559 // let target_buffer_handle = task.await.context("open local buffer")?;
7560 // let range = {
7561 // target_buffer_handle.update(&mut cx, |target_buffer, _| {
7562 // let target_start = target_buffer.clip_point_utf16(
7563 // point_from_lsp(lsp_location.range.start),
7564 // Bias::Left,
7565 // );
7566 // let target_end = target_buffer.clip_point_utf16(
7567 // point_from_lsp(lsp_location.range.end),
7568 // Bias::Left,
7569 // );
7570 // target_buffer.anchor_after(target_start)
7571 // ..target_buffer.anchor_before(target_end)
7572 // })
7573 // };
7574 // Location {
7575 // buffer: target_buffer_handle,
7576 // range,
7577 // }
7578 // }),
7579 // None => None,
7580 // };
7581 // Ok(location)
7582 // })
7583 // }
7584
7585 // pub fn find_all_references(
7586 // workspace: &mut Workspace,
7587 // _: &FindAllReferences,
7588 // cx: &mut ViewContext<Workspace>,
7589 // ) -> Option<Task<Result<()>>> {
7590 // let active_item = workspace.active_item(cx)?;
7591 // let editor_handle = active_item.act_as::<Self>(cx)?;
7592
7593 // let editor = editor_handle.read(cx);
7594 // let buffer = editor.buffer.read(cx);
7595 // let head = editor.selections.newest::<usize>(cx).head();
7596 // let (buffer, head) = buffer.text_anchor_for_position(head, cx)?;
7597 // let replica_id = editor.replica_id(cx);
7598
7599 // let project = workspace.project().clone();
7600 // let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
7601 // Some(cx.spawn_labeled(
7602 // "Finding All References...",
7603 // |workspace, mut cx| async move {
7604 // let locations = references.await?;
7605 // if locations.is_empty() {
7606 // return Ok(());
7607 // }
7608
7609 // workspace.update(&mut cx, |workspace, cx| {
7610 // let title = locations
7611 // .first()
7612 // .as_ref()
7613 // .map(|location| {
7614 // let buffer = location.buffer.read(cx);
7615 // format!(
7616 // "References to `{}`",
7617 // buffer
7618 // .text_for_range(location.range.clone())
7619 // .collect::<String>()
7620 // )
7621 // })
7622 // .unwrap();
7623 // Self::open_locations_in_multibuffer(
7624 // workspace, locations, replica_id, title, false, cx,
7625 // );
7626 // })?;
7627
7628 // Ok(())
7629 // },
7630 // ))
7631 // }
7632
7633 // /// Opens a multibuffer with the given project locations in it
7634 // pub fn open_locations_in_multibuffer(
7635 // workspace: &mut Workspace,
7636 // mut locations: Vec<Location>,
7637 // replica_id: ReplicaId,
7638 // title: String,
7639 // split: bool,
7640 // cx: &mut ViewContext<Workspace>,
7641 // ) {
7642 // // If there are multiple definitions, open them in a multibuffer
7643 // locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
7644 // let mut locations = locations.into_iter().peekable();
7645 // let mut ranges_to_highlight = Vec::new();
7646
7647 // let excerpt_buffer = cx.build_model(|cx| {
7648 // let mut multibuffer = MultiBuffer::new(replica_id);
7649 // while let Some(location) = locations.next() {
7650 // let buffer = location.buffer.read(cx);
7651 // let mut ranges_for_buffer = Vec::new();
7652 // let range = location.range.to_offset(buffer);
7653 // ranges_for_buffer.push(range.clone());
7654
7655 // while let Some(next_location) = locations.peek() {
7656 // if next_location.buffer == location.buffer {
7657 // ranges_for_buffer.push(next_location.range.to_offset(buffer));
7658 // locations.next();
7659 // } else {
7660 // break;
7661 // }
7662 // }
7663
7664 // ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
7665 // ranges_to_highlight.extend(multibuffer.push_excerpts_with_context_lines(
7666 // location.buffer.clone(),
7667 // ranges_for_buffer,
7668 // 1,
7669 // cx,
7670 // ))
7671 // }
7672
7673 // multibuffer.with_title(title)
7674 // });
7675
7676 // let editor = cx.add_view(|cx| {
7677 // Editor::for_multibuffer(excerpt_buffer, Some(workspace.project().clone()), cx)
7678 // });
7679 // editor.update(cx, |editor, cx| {
7680 // editor.highlight_background::<Self>(
7681 // ranges_to_highlight,
7682 // |theme| theme.editor.highlighted_line_background,
7683 // cx,
7684 // );
7685 // });
7686 // if split {
7687 // workspace.split_item(SplitDirection::Right, Box::new(editor), cx);
7688 // } else {
7689 // workspace.add_item(Box::new(editor), cx);
7690 // }
7691 // }
7692
7693 // pub fn rename(&mut self, _: &Rename, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
7694 // use language::ToOffset as _;
7695
7696 // let project = self.project.clone()?;
7697 // let selection = self.selections.newest_anchor().clone();
7698 // let (cursor_buffer, cursor_buffer_position) = self
7699 // .buffer
7700 // .read(cx)
7701 // .text_anchor_for_position(selection.head(), cx)?;
7702 // let (tail_buffer, _) = self
7703 // .buffer
7704 // .read(cx)
7705 // .text_anchor_for_position(selection.tail(), cx)?;
7706 // if tail_buffer != cursor_buffer {
7707 // return None;
7708 // }
7709
7710 // let snapshot = cursor_buffer.read(cx).snapshot();
7711 // let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
7712 // let prepare_rename = project.update(cx, |project, cx| {
7713 // project.prepare_rename(cursor_buffer, cursor_buffer_offset, cx)
7714 // });
7715
7716 // Some(cx.spawn(|this, mut cx| async move {
7717 // let rename_range = if let Some(range) = prepare_rename.await? {
7718 // Some(range)
7719 // } else {
7720 // this.update(&mut cx, |this, cx| {
7721 // let buffer = this.buffer.read(cx).snapshot(cx);
7722 // let mut buffer_highlights = this
7723 // .document_highlights_for_position(selection.head(), &buffer)
7724 // .filter(|highlight| {
7725 // highlight.start.excerpt_id == selection.head().excerpt_id
7726 // && highlight.end.excerpt_id == selection.head().excerpt_id
7727 // });
7728 // buffer_highlights
7729 // .next()
7730 // .map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
7731 // })?
7732 // };
7733 // if let Some(rename_range) = rename_range {
7734 // let rename_buffer_range = rename_range.to_offset(&snapshot);
7735 // let cursor_offset_in_rename_range =
7736 // cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
7737
7738 // this.update(&mut cx, |this, cx| {
7739 // this.take_rename(false, cx);
7740 // let style = this.style(cx);
7741 // let buffer = this.buffer.read(cx).read(cx);
7742 // let cursor_offset = selection.head().to_offset(&buffer);
7743 // let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
7744 // let rename_end = rename_start + rename_buffer_range.len();
7745 // let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
7746 // let mut old_highlight_id = None;
7747 // let old_name: Arc<str> = buffer
7748 // .chunks(rename_start..rename_end, true)
7749 // .map(|chunk| {
7750 // if old_highlight_id.is_none() {
7751 // old_highlight_id = chunk.syntax_highlight_id;
7752 // }
7753 // chunk.text
7754 // })
7755 // .collect::<String>()
7756 // .into();
7757
7758 // drop(buffer);
7759
7760 // // Position the selection in the rename editor so that it matches the current selection.
7761 // this.show_local_selections = false;
7762 // let rename_editor = cx.add_view(|cx| {
7763 // let mut editor = Editor::single_line(None, cx);
7764 // if let Some(old_highlight_id) = old_highlight_id {
7765 // editor.override_text_style =
7766 // Some(Box::new(move |style| old_highlight_id.style(&style.syntax)));
7767 // }
7768 // editor.buffer.update(cx, |buffer, cx| {
7769 // buffer.edit([(0..0, old_name.clone())], None, cx)
7770 // });
7771 // editor.select_all(&SelectAll, cx);
7772 // editor
7773 // });
7774
7775 // let ranges = this
7776 // .clear_background_highlights::<DocumentHighlightWrite>(cx)
7777 // .into_iter()
7778 // .flat_map(|(_, ranges)| ranges.into_iter())
7779 // .chain(
7780 // this.clear_background_highlights::<DocumentHighlightRead>(cx)
7781 // .into_iter()
7782 // .flat_map(|(_, ranges)| ranges.into_iter()),
7783 // )
7784 // .collect();
7785
7786 // this.highlight_text::<Rename>(
7787 // ranges,
7788 // HighlightStyle {
7789 // fade_out: Some(style.rename_fade),
7790 // ..Default::default()
7791 // },
7792 // cx,
7793 // );
7794 // cx.focus(&rename_editor);
7795 // let block_id = this.insert_blocks(
7796 // [BlockProperties {
7797 // style: BlockStyle::Flex,
7798 // position: range.start.clone(),
7799 // height: 1,
7800 // render: Arc::new({
7801 // let editor = rename_editor.clone();
7802 // move |cx: &mut BlockContext| {
7803 // ChildView::new(&editor, cx)
7804 // .contained()
7805 // .with_padding_left(cx.anchor_x)
7806 // .into_any()
7807 // }
7808 // }),
7809 // disposition: BlockDisposition::Below,
7810 // }],
7811 // Some(Autoscroll::fit()),
7812 // cx,
7813 // )[0];
7814 // this.pending_rename = Some(RenameState {
7815 // range,
7816 // old_name,
7817 // editor: rename_editor,
7818 // block_id,
7819 // });
7820 // })?;
7821 // }
7822
7823 // Ok(())
7824 // }))
7825 // }
7826
7827 // pub fn confirm_rename(
7828 // workspace: &mut Workspace,
7829 // _: &ConfirmRename,
7830 // cx: &mut ViewContext<Workspace>,
7831 // ) -> Option<Task<Result<()>>> {
7832 // let editor = workspace.active_item(cx)?.act_as::<Editor>(cx)?;
7833
7834 // let (buffer, range, old_name, new_name) = editor.update(cx, |editor, cx| {
7835 // let rename = editor.take_rename(false, cx)?;
7836 // let buffer = editor.buffer.read(cx);
7837 // let (start_buffer, start) =
7838 // buffer.text_anchor_for_position(rename.range.start.clone(), cx)?;
7839 // let (end_buffer, end) =
7840 // buffer.text_anchor_for_position(rename.range.end.clone(), cx)?;
7841 // if start_buffer == end_buffer {
7842 // let new_name = rename.editor.read(cx).text(cx);
7843 // Some((start_buffer, start..end, rename.old_name, new_name))
7844 // } else {
7845 // None
7846 // }
7847 // })?;
7848
7849 // let rename = workspace.project().clone().update(cx, |project, cx| {
7850 // project.perform_rename(buffer.clone(), range.start, new_name.clone(), true, cx)
7851 // });
7852
7853 // let editor = editor.downgrade();
7854 // Some(cx.spawn(|workspace, mut cx| async move {
7855 // let project_transaction = rename.await?;
7856 // Self::open_project_transaction(
7857 // &editor,
7858 // workspace,
7859 // project_transaction,
7860 // format!("Rename: {} → {}", old_name, new_name),
7861 // cx.clone(),
7862 // )
7863 // .await?;
7864
7865 // editor.update(&mut cx, |editor, cx| {
7866 // editor.refresh_document_highlights(cx);
7867 // })?;
7868 // Ok(())
7869 // }))
7870 // }
7871
7872 fn take_rename(
7873 &mut self,
7874 moving_cursor: bool,
7875 cx: &mut ViewContext<Self>,
7876 ) -> Option<RenameState> {
7877 let rename = self.pending_rename.take()?;
7878 self.remove_blocks(
7879 [rename.block_id].into_iter().collect(),
7880 Some(Autoscroll::fit()),
7881 cx,
7882 );
7883 self.clear_highlights::<Rename>(cx);
7884 self.show_local_selections = true;
7885
7886 if moving_cursor {
7887 let rename_editor = rename.editor.read(cx);
7888 let cursor_in_rename_editor = rename_editor.selections.newest::<usize>(cx).head();
7889
7890 // Update the selection to match the position of the selection inside
7891 // the rename editor.
7892 let snapshot = self.buffer.read(cx).read(cx);
7893 let rename_range = rename.range.to_offset(&snapshot);
7894 let cursor_in_editor = snapshot
7895 .clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
7896 .min(rename_range.end);
7897 drop(snapshot);
7898
7899 self.change_selections(None, cx, |s| {
7900 s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
7901 });
7902 } else {
7903 self.refresh_document_highlights(cx);
7904 }
7905
7906 Some(rename)
7907 }
7908
7909 #[cfg(any(test, feature = "test-support"))]
7910 pub fn pending_rename(&self) -> Option<&RenameState> {
7911 self.pending_rename.as_ref()
7912 }
7913
7914 // fn format(&mut self, _: &Format, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
7915 // let project = match &self.project {
7916 // Some(project) => project.clone(),
7917 // None => return None,
7918 // };
7919
7920 // Some(self.perform_format(project, FormatTrigger::Manual, cx))
7921 // }
7922
7923 fn perform_format(
7924 &mut self,
7925 project: Model<Project>,
7926 trigger: FormatTrigger,
7927 cx: &mut ViewContext<Self>,
7928 ) -> Task<Result<()>> {
7929 let buffer = self.buffer().clone();
7930 let buffers = buffer.read(cx).all_buffers();
7931
7932 let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
7933 let format = project.update(cx, |project, cx| project.format(buffers, true, trigger, cx));
7934
7935 cx.spawn(|_, mut cx| async move {
7936 let transaction = futures::select_biased! {
7937 _ = timeout => {
7938 log::warn!("timed out waiting for formatting");
7939 None
7940 }
7941 transaction = format.log_err().fuse() => transaction,
7942 };
7943
7944 buffer.update(&mut cx, |buffer, cx| {
7945 if let Some(transaction) = transaction {
7946 if !buffer.is_singleton() {
7947 buffer.push_transaction(&transaction.0, cx);
7948 }
7949 }
7950
7951 cx.notify();
7952 });
7953
7954 Ok(())
7955 })
7956 }
7957
7958 // fn restart_language_server(&mut self, _: &RestartLanguageServer, cx: &mut ViewContext<Self>) {
7959 // if let Some(project) = self.project.clone() {
7960 // self.buffer.update(cx, |multi_buffer, cx| {
7961 // project.update(cx, |project, cx| {
7962 // project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
7963 // });
7964 // })
7965 // }
7966 // }
7967
7968 // fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
7969 // cx.show_character_palette();
7970 // }
7971
7972 fn refresh_active_diagnostics(&mut self, cx: &mut ViewContext<Editor>) {
7973 if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
7974 let buffer = self.buffer.read(cx).snapshot(cx);
7975 let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
7976 let is_valid = buffer
7977 .diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone(), false)
7978 .any(|entry| {
7979 entry.diagnostic.is_primary
7980 && !entry.range.is_empty()
7981 && entry.range.start == primary_range_start
7982 && entry.diagnostic.message == active_diagnostics.primary_message
7983 });
7984
7985 if is_valid != active_diagnostics.is_valid {
7986 active_diagnostics.is_valid = is_valid;
7987 let mut new_styles = HashMap::default();
7988 for (block_id, diagnostic) in &active_diagnostics.blocks {
7989 new_styles.insert(
7990 *block_id,
7991 diagnostic_block_renderer(diagnostic.clone(), is_valid),
7992 );
7993 }
7994 self.display_map
7995 .update(cx, |display_map, _| display_map.replace_blocks(new_styles));
7996 }
7997 }
7998 }
7999
8000 // fn activate_diagnostics(&mut self, group_id: usize, cx: &mut ViewContext<Self>) -> bool {
8001 // self.dismiss_diagnostics(cx);
8002 // self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
8003 // let buffer = self.buffer.read(cx).snapshot(cx);
8004
8005 // let mut primary_range = None;
8006 // let mut primary_message = None;
8007 // let mut group_end = Point::zero();
8008 // let diagnostic_group = buffer
8009 // .diagnostic_group::<Point>(group_id)
8010 // .map(|entry| {
8011 // if entry.range.end > group_end {
8012 // group_end = entry.range.end;
8013 // }
8014 // if entry.diagnostic.is_primary {
8015 // primary_range = Some(entry.range.clone());
8016 // primary_message = Some(entry.diagnostic.message.clone());
8017 // }
8018 // entry
8019 // })
8020 // .collect::<Vec<_>>();
8021 // let primary_range = primary_range?;
8022 // let primary_message = primary_message?;
8023 // let primary_range =
8024 // buffer.anchor_after(primary_range.start)..buffer.anchor_before(primary_range.end);
8025
8026 // let blocks = display_map
8027 // .insert_blocks(
8028 // diagnostic_group.iter().map(|entry| {
8029 // let diagnostic = entry.diagnostic.clone();
8030 // let message_height = diagnostic.message.lines().count() as u8;
8031 // BlockProperties {
8032 // style: BlockStyle::Fixed,
8033 // position: buffer.anchor_after(entry.range.start),
8034 // height: message_height,
8035 // render: diagnostic_block_renderer(diagnostic, true),
8036 // disposition: BlockDisposition::Below,
8037 // }
8038 // }),
8039 // cx,
8040 // )
8041 // .into_iter()
8042 // .zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
8043 // .collect();
8044
8045 // Some(ActiveDiagnosticGroup {
8046 // primary_range,
8047 // primary_message,
8048 // blocks,
8049 // is_valid: true,
8050 // })
8051 // });
8052 // self.active_diagnostics.is_some()
8053 // }
8054
8055 // fn dismiss_diagnostics(&mut self, cx: &mut ViewContext<Self>) {
8056 // if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
8057 // self.display_map.update(cx, |display_map, cx| {
8058 // display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
8059 // });
8060 // cx.notify();
8061 // }
8062 // }
8063
8064 // pub fn set_selections_from_remote(
8065 // &mut self,
8066 // selections: Vec<Selection<Anchor>>,
8067 // pending_selection: Option<Selection<Anchor>>,
8068 // cx: &mut ViewContext<Self>,
8069 // ) {
8070 // let old_cursor_position = self.selections.newest_anchor().head();
8071 // self.selections.change_with(cx, |s| {
8072 // s.select_anchors(selections);
8073 // if let Some(pending_selection) = pending_selection {
8074 // s.set_pending(pending_selection, SelectMode::Character);
8075 // } else {
8076 // s.clear_pending();
8077 // }
8078 // });
8079 // self.selections_did_change(false, &old_cursor_position, cx);
8080 // }
8081
8082 fn push_to_selection_history(&mut self) {
8083 self.selection_history.push(SelectionHistoryEntry {
8084 selections: self.selections.disjoint_anchors(),
8085 select_next_state: self.select_next_state.clone(),
8086 select_prev_state: self.select_prev_state.clone(),
8087 add_selections_state: self.add_selections_state.clone(),
8088 });
8089 }
8090
8091 pub fn transact(
8092 &mut self,
8093 cx: &mut ViewContext<Self>,
8094 update: impl FnOnce(&mut Self, &mut ViewContext<Self>),
8095 ) -> Option<TransactionId> {
8096 self.start_transaction_at(Instant::now(), cx);
8097 update(self, cx);
8098 self.end_transaction_at(Instant::now(), cx)
8099 }
8100
8101 fn start_transaction_at(&mut self, now: Instant, cx: &mut ViewContext<Self>) {
8102 todo!()
8103 // self.end_selection(cx);
8104 // if let Some(tx_id) = self
8105 // .buffer
8106 // .update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
8107 // {
8108 // self.selection_history
8109 // .insert_transaction(tx_id, self.selections.disjoint_anchors());
8110 // }
8111 }
8112
8113 fn end_transaction_at(
8114 &mut self,
8115 now: Instant,
8116 cx: &mut ViewContext<Self>,
8117 ) -> Option<TransactionId> {
8118 todo!()
8119 // if let Some(tx_id) = self
8120 // .buffer
8121 // .update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
8122 // {
8123 // if let Some((_, end_selections)) = self.selection_history.transaction_mut(tx_id) {
8124 // *end_selections = Some(self.selections.disjoint_anchors());
8125 // } else {
8126 // error!("unexpectedly ended a transaction that wasn't started by this editor");
8127 // }
8128
8129 // cx.emit(Event::Edited);
8130 // Some(tx_id)
8131 // } else {
8132 // None
8133 // }
8134 }
8135
8136 // pub fn fold(&mut self, _: &Fold, cx: &mut ViewContext<Self>) {
8137 // let mut fold_ranges = Vec::new();
8138
8139 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8140
8141 // let selections = self.selections.all_adjusted(cx);
8142 // for selection in selections {
8143 // let range = selection.range().sorted();
8144 // let buffer_start_row = range.start.row;
8145
8146 // for row in (0..=range.end.row).rev() {
8147 // let fold_range = display_map.foldable_range(row);
8148
8149 // if let Some(fold_range) = fold_range {
8150 // if fold_range.end.row >= buffer_start_row {
8151 // fold_ranges.push(fold_range);
8152 // if row <= range.start.row {
8153 // break;
8154 // }
8155 // }
8156 // }
8157 // }
8158 // }
8159
8160 // self.fold_ranges(fold_ranges, true, cx);
8161 // }
8162
8163 // pub fn fold_at(&mut self, fold_at: &FoldAt, cx: &mut ViewContext<Self>) {
8164 // let buffer_row = fold_at.buffer_row;
8165 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8166
8167 // if let Some(fold_range) = display_map.foldable_range(buffer_row) {
8168 // let autoscroll = self
8169 // .selections
8170 // .all::<Point>(cx)
8171 // .iter()
8172 // .any(|selection| fold_range.overlaps(&selection.range()));
8173
8174 // self.fold_ranges(std::iter::once(fold_range), autoscroll, cx);
8175 // }
8176 // }
8177
8178 // pub fn unfold_lines(&mut self, _: &UnfoldLines, cx: &mut ViewContext<Self>) {
8179 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8180 // let buffer = &display_map.buffer_snapshot;
8181 // let selections = self.selections.all::<Point>(cx);
8182 // let ranges = selections
8183 // .iter()
8184 // .map(|s| {
8185 // let range = s.display_range(&display_map).sorted();
8186 // let mut start = range.start.to_point(&display_map);
8187 // let mut end = range.end.to_point(&display_map);
8188 // start.column = 0;
8189 // end.column = buffer.line_len(end.row);
8190 // start..end
8191 // })
8192 // .collect::<Vec<_>>();
8193
8194 // self.unfold_ranges(ranges, true, true, cx);
8195 // }
8196
8197 // pub fn unfold_at(&mut self, unfold_at: &UnfoldAt, cx: &mut ViewContext<Self>) {
8198 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8199
8200 // let intersection_range = Point::new(unfold_at.buffer_row, 0)
8201 // ..Point::new(
8202 // unfold_at.buffer_row,
8203 // display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
8204 // );
8205
8206 // let autoscroll = self
8207 // .selections
8208 // .all::<Point>(cx)
8209 // .iter()
8210 // .any(|selection| selection.range().overlaps(&intersection_range));
8211
8212 // self.unfold_ranges(std::iter::once(intersection_range), true, autoscroll, cx)
8213 // }
8214
8215 // pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
8216 // let selections = self.selections.all::<Point>(cx);
8217 // let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
8218 // let line_mode = self.selections.line_mode;
8219 // let ranges = selections.into_iter().map(|s| {
8220 // if line_mode {
8221 // let start = Point::new(s.start.row, 0);
8222 // let end = Point::new(s.end.row, display_map.buffer_snapshot.line_len(s.end.row));
8223 // start..end
8224 // } else {
8225 // s.start..s.end
8226 // }
8227 // });
8228 // self.fold_ranges(ranges, true, cx);
8229 // }
8230
8231 pub fn fold_ranges<T: ToOffset + Clone>(
8232 &mut self,
8233 ranges: impl IntoIterator<Item = Range<T>>,
8234 auto_scroll: bool,
8235 cx: &mut ViewContext<Self>,
8236 ) {
8237 let mut ranges = ranges.into_iter().peekable();
8238 if ranges.peek().is_some() {
8239 self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
8240
8241 if auto_scroll {
8242 self.request_autoscroll(Autoscroll::fit(), cx);
8243 }
8244
8245 cx.notify();
8246 }
8247 }
8248
8249 pub fn unfold_ranges<T: ToOffset + Clone>(
8250 &mut self,
8251 ranges: impl IntoIterator<Item = Range<T>>,
8252 inclusive: bool,
8253 auto_scroll: bool,
8254 cx: &mut ViewContext<Self>,
8255 ) {
8256 let mut ranges = ranges.into_iter().peekable();
8257 if ranges.peek().is_some() {
8258 self.display_map
8259 .update(cx, |map, cx| map.unfold(ranges, inclusive, cx));
8260 if auto_scroll {
8261 self.request_autoscroll(Autoscroll::fit(), cx);
8262 }
8263
8264 cx.notify();
8265 }
8266 }
8267
8268 // pub fn gutter_hover(
8269 // &mut self,
8270 // GutterHover { hovered }: &GutterHover,
8271 // cx: &mut ViewContext<Self>,
8272 // ) {
8273 // self.gutter_hovered = *hovered;
8274 // cx.notify();
8275 // }
8276
8277 // pub fn insert_blocks(
8278 // &mut self,
8279 // blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
8280 // autoscroll: Option<Autoscroll>,
8281 // cx: &mut ViewContext<Self>,
8282 // ) -> Vec<BlockId> {
8283 // let blocks = self
8284 // .display_map
8285 // .update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
8286 // if let Some(autoscroll) = autoscroll {
8287 // self.request_autoscroll(autoscroll, cx);
8288 // }
8289 // blocks
8290 // }
8291
8292 // pub fn replace_blocks(
8293 // &mut self,
8294 // blocks: HashMap<BlockId, RenderBlock>,
8295 // autoscroll: Option<Autoscroll>,
8296 // cx: &mut ViewContext<Self>,
8297 // ) {
8298 // self.display_map
8299 // .update(cx, |display_map, _| display_map.replace_blocks(blocks));
8300 // if let Some(autoscroll) = autoscroll {
8301 // self.request_autoscroll(autoscroll, cx);
8302 // }
8303 // }
8304
8305 pub fn remove_blocks(
8306 &mut self,
8307 block_ids: HashSet<BlockId>,
8308 autoscroll: Option<Autoscroll>,
8309 cx: &mut ViewContext<Self>,
8310 ) {
8311 self.display_map.update(cx, |display_map, cx| {
8312 display_map.remove_blocks(block_ids, cx)
8313 });
8314 if let Some(autoscroll) = autoscroll {
8315 self.request_autoscroll(autoscroll, cx);
8316 }
8317 }
8318
8319 // pub fn longest_row(&self, cx: &mut AppContext) -> u32 {
8320 // self.display_map
8321 // .update(cx, |map, cx| map.snapshot(cx))
8322 // .longest_row()
8323 // }
8324
8325 // pub fn max_point(&self, cx: &mut AppContext) -> DisplayPoint {
8326 // self.display_map
8327 // .update(cx, |map, cx| map.snapshot(cx))
8328 // .max_point()
8329 // }
8330
8331 // pub fn text(&self, cx: &AppContext) -> String {
8332 // self.buffer.read(cx).read(cx).text()
8333 // }
8334
8335 // pub fn set_text(&mut self, text: impl Into<Arc<str>>, cx: &mut ViewContext<Self>) {
8336 // self.transact(cx, |this, cx| {
8337 // this.buffer
8338 // .read(cx)
8339 // .as_singleton()
8340 // .expect("you can only call set_text on editors for singleton buffers")
8341 // .update(cx, |buffer, cx| buffer.set_text(text, cx));
8342 // });
8343 // }
8344
8345 // pub fn display_text(&self, cx: &mut AppContext) -> String {
8346 // self.display_map
8347 // .update(cx, |map, cx| map.snapshot(cx))
8348 // .text()
8349 // }
8350
8351 // pub fn wrap_guides(&self, cx: &AppContext) -> SmallVec<[(usize, bool); 2]> {
8352 // let mut wrap_guides = smallvec::smallvec![];
8353
8354 // if self.show_wrap_guides == Some(false) {
8355 // return wrap_guides;
8356 // }
8357
8358 // let settings = self.buffer.read(cx).settings_at(0, cx);
8359 // if settings.show_wrap_guides {
8360 // if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
8361 // wrap_guides.push((soft_wrap as usize, true));
8362 // }
8363 // wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
8364 // }
8365
8366 // wrap_guides
8367 // }
8368
8369 // pub fn soft_wrap_mode(&self, cx: &AppContext) -> SoftWrap {
8370 // let settings = self.buffer.read(cx).settings_at(0, cx);
8371 // let mode = self
8372 // .soft_wrap_mode_override
8373 // .unwrap_or_else(|| settings.soft_wrap);
8374 // match mode {
8375 // language_settings::SoftWrap::None => SoftWrap::None,
8376 // language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
8377 // language_settings::SoftWrap::PreferredLineLength => {
8378 // SoftWrap::Column(settings.preferred_line_length)
8379 // }
8380 // }
8381 // }
8382
8383 // pub fn set_soft_wrap_mode(
8384 // &mut self,
8385 // mode: language_settings::SoftWrap,
8386 // cx: &mut ViewContext<Self>,
8387 // ) {
8388 // self.soft_wrap_mode_override = Some(mode);
8389 // cx.notify();
8390 // }
8391
8392 // pub fn set_wrap_width(&self, width: Option<f32>, cx: &mut AppContext) -> bool {
8393 // self.display_map
8394 // .update(cx, |map, cx| map.set_wrap_width(width, cx))
8395 // }
8396
8397 // pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, cx: &mut ViewContext<Self>) {
8398 // if self.soft_wrap_mode_override.is_some() {
8399 // self.soft_wrap_mode_override.take();
8400 // } else {
8401 // let soft_wrap = match self.soft_wrap_mode(cx) {
8402 // SoftWrap::None => language_settings::SoftWrap::EditorWidth,
8403 // SoftWrap::EditorWidth | SoftWrap::Column(_) => language_settings::SoftWrap::None,
8404 // };
8405 // self.soft_wrap_mode_override = Some(soft_wrap);
8406 // }
8407 // cx.notify();
8408 // }
8409
8410 // pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
8411 // self.show_gutter = show_gutter;
8412 // cx.notify();
8413 // }
8414
8415 // pub fn set_show_wrap_guides(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
8416 // self.show_wrap_guides = Some(show_gutter);
8417 // cx.notify();
8418 // }
8419
8420 // pub fn reveal_in_finder(&mut self, _: &RevealInFinder, cx: &mut ViewContext<Self>) {
8421 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8422 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8423 // cx.reveal_path(&file.abs_path(cx));
8424 // }
8425 // }
8426 // }
8427
8428 // pub fn copy_path(&mut self, _: &CopyPath, cx: &mut ViewContext<Self>) {
8429 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8430 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8431 // if let Some(path) = file.abs_path(cx).to_str() {
8432 // cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
8433 // }
8434 // }
8435 // }
8436 // }
8437
8438 // pub fn copy_relative_path(&mut self, _: &CopyRelativePath, cx: &mut ViewContext<Self>) {
8439 // if let Some(buffer) = self.buffer().read(cx).as_singleton() {
8440 // if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
8441 // if let Some(path) = file.path().to_str() {
8442 // cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
8443 // }
8444 // }
8445 // }
8446 // }
8447
8448 // pub fn highlight_rows(&mut self, rows: Option<Range<u32>>) {
8449 // self.highlighted_rows = rows;
8450 // }
8451
8452 // pub fn highlighted_rows(&self) -> Option<Range<u32>> {
8453 // self.highlighted_rows.clone()
8454 // }
8455
8456 pub fn highlight_background<T: 'static>(
8457 &mut self,
8458 ranges: Vec<Range<Anchor>>,
8459 color_fetcher: fn(&ThemeColors) -> Hsla,
8460 cx: &mut ViewContext<Self>,
8461 ) {
8462 self.background_highlights
8463 .insert(TypeId::of::<T>(), (color_fetcher, ranges));
8464 cx.notify();
8465 }
8466
8467 // pub fn highlight_inlay_background<T: 'static>(
8468 // &mut self,
8469 // ranges: Vec<InlayHighlight>,
8470 // color_fetcher: fn(&Theme) -> Color,
8471 // cx: &mut ViewContext<Self>,
8472 // ) {
8473 // // TODO: no actual highlights happen for inlays currently, find a way to do that
8474 // self.inlay_background_highlights
8475 // .insert(Some(TypeId::of::<T>()), (color_fetcher, ranges));
8476 // cx.notify();
8477 // }
8478
8479 // pub fn clear_background_highlights<T: 'static>(
8480 // &mut self,
8481 // cx: &mut ViewContext<Self>,
8482 // ) -> Option<BackgroundHighlight> {
8483 // let text_highlights = self.background_highlights.remove(&TypeId::of::<T>());
8484 // let inlay_highlights = self
8485 // .inlay_background_highlights
8486 // .remove(&Some(TypeId::of::<T>()));
8487 // if text_highlights.is_some() || inlay_highlights.is_some() {
8488 // cx.notify();
8489 // }
8490 // text_highlights
8491 // }
8492
8493 // #[cfg(feature = "test-support")]
8494 // pub fn all_text_background_highlights(
8495 // &mut self,
8496 // cx: &mut ViewContext<Self>,
8497 // ) -> Vec<(Range<DisplayPoint>, Color)> {
8498 // let snapshot = self.snapshot(cx);
8499 // let buffer = &snapshot.buffer_snapshot;
8500 // let start = buffer.anchor_before(0);
8501 // let end = buffer.anchor_after(buffer.len());
8502 // let theme = theme::current(cx);
8503 // self.background_highlights_in_range(start..end, &snapshot, theme.as_ref())
8504 // }
8505
8506 // fn document_highlights_for_position<'a>(
8507 // &'a self,
8508 // position: Anchor,
8509 // buffer: &'a MultiBufferSnapshot,
8510 // ) -> impl 'a + Iterator<Item = &Range<Anchor>> {
8511 // let read_highlights = self
8512 // .background_highlights
8513 // .get(&TypeId::of::<DocumentHighlightRead>())
8514 // .map(|h| &h.1);
8515 // let write_highlights = self
8516 // .background_highlights
8517 // .get(&TypeId::of::<DocumentHighlightWrite>())
8518 // .map(|h| &h.1);
8519 // let left_position = position.bias_left(buffer);
8520 // let right_position = position.bias_right(buffer);
8521 // read_highlights
8522 // .into_iter()
8523 // .chain(write_highlights)
8524 // .flat_map(move |ranges| {
8525 // let start_ix = match ranges.binary_search_by(|probe| {
8526 // let cmp = probe.end.cmp(&left_position, buffer);
8527 // if cmp.is_ge() {
8528 // Ordering::Greater
8529 // } else {
8530 // Ordering::Less
8531 // }
8532 // }) {
8533 // Ok(i) | Err(i) => i,
8534 // };
8535
8536 // let right_position = right_position.clone();
8537 // ranges[start_ix..]
8538 // .iter()
8539 // .take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
8540 // })
8541 // }
8542
8543 // pub fn background_highlights_in_range(
8544 // &self,
8545 // search_range: Range<Anchor>,
8546 // display_snapshot: &DisplaySnapshot,
8547 // theme: &Theme,
8548 // ) -> Vec<(Range<DisplayPoint>, Color)> {
8549 // let mut results = Vec::new();
8550 // for (color_fetcher, ranges) in self.background_highlights.values() {
8551 // let color = color_fetcher(theme);
8552 // let start_ix = match ranges.binary_search_by(|probe| {
8553 // let cmp = probe
8554 // .end
8555 // .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
8556 // if cmp.is_gt() {
8557 // Ordering::Greater
8558 // } else {
8559 // Ordering::Less
8560 // }
8561 // }) {
8562 // Ok(i) | Err(i) => i,
8563 // };
8564 // for range in &ranges[start_ix..] {
8565 // if range
8566 // .start
8567 // .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
8568 // .is_ge()
8569 // {
8570 // break;
8571 // }
8572
8573 // let start = range.start.to_display_point(&display_snapshot);
8574 // let end = range.end.to_display_point(&display_snapshot);
8575 // results.push((start..end, color))
8576 // }
8577 // }
8578 // results
8579 // }
8580
8581 // pub fn background_highlight_row_ranges<T: 'static>(
8582 // &self,
8583 // search_range: Range<Anchor>,
8584 // display_snapshot: &DisplaySnapshot,
8585 // count: usize,
8586 // ) -> Vec<RangeInclusive<DisplayPoint>> {
8587 // let mut results = Vec::new();
8588 // let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
8589 // return vec![];
8590 // };
8591
8592 // let start_ix = match ranges.binary_search_by(|probe| {
8593 // let cmp = probe
8594 // .end
8595 // .cmp(&search_range.start, &display_snapshot.buffer_snapshot);
8596 // if cmp.is_gt() {
8597 // Ordering::Greater
8598 // } else {
8599 // Ordering::Less
8600 // }
8601 // }) {
8602 // Ok(i) | Err(i) => i,
8603 // };
8604 // let mut push_region = |start: Option<Point>, end: Option<Point>| {
8605 // if let (Some(start_display), Some(end_display)) = (start, end) {
8606 // results.push(
8607 // start_display.to_display_point(display_snapshot)
8608 // ..=end_display.to_display_point(display_snapshot),
8609 // );
8610 // }
8611 // };
8612 // let mut start_row: Option<Point> = None;
8613 // let mut end_row: Option<Point> = None;
8614 // if ranges.len() > count {
8615 // return Vec::new();
8616 // }
8617 // for range in &ranges[start_ix..] {
8618 // if range
8619 // .start
8620 // .cmp(&search_range.end, &display_snapshot.buffer_snapshot)
8621 // .is_ge()
8622 // {
8623 // break;
8624 // }
8625 // let end = range.end.to_point(&display_snapshot.buffer_snapshot);
8626 // if let Some(current_row) = &end_row {
8627 // if end.row == current_row.row {
8628 // continue;
8629 // }
8630 // }
8631 // let start = range.start.to_point(&display_snapshot.buffer_snapshot);
8632 // if start_row.is_none() {
8633 // assert_eq!(end_row, None);
8634 // start_row = Some(start);
8635 // end_row = Some(end);
8636 // continue;
8637 // }
8638 // if let Some(current_end) = end_row.as_mut() {
8639 // if start.row > current_end.row + 1 {
8640 // push_region(start_row, end_row);
8641 // start_row = Some(start);
8642 // end_row = Some(end);
8643 // } else {
8644 // // Merge two hunks.
8645 // *current_end = end;
8646 // }
8647 // } else {
8648 // unreachable!();
8649 // }
8650 // }
8651 // // We might still have a hunk that was not rendered (if there was a search hit on the last line)
8652 // push_region(start_row, end_row);
8653 // results
8654 // }
8655
8656 // pub fn highlight_text<T: 'static>(
8657 // &mut self,
8658 // ranges: Vec<Range<Anchor>>,
8659 // style: HighlightStyle,
8660 // cx: &mut ViewContext<Self>,
8661 // ) {
8662 // self.display_map.update(cx, |map, _| {
8663 // map.highlight_text(TypeId::of::<T>(), ranges, style)
8664 // });
8665 // cx.notify();
8666 // }
8667
8668 // pub fn highlight_inlays<T: 'static>(
8669 // &mut self,
8670 // highlights: Vec<InlayHighlight>,
8671 // style: HighlightStyle,
8672 // cx: &mut ViewContext<Self>,
8673 // ) {
8674 // self.display_map.update(cx, |map, _| {
8675 // map.highlight_inlays(TypeId::of::<T>(), highlights, style)
8676 // });
8677 // cx.notify();
8678 // }
8679
8680 // pub fn text_highlights<'a, T: 'static>(
8681 // &'a self,
8682 // cx: &'a AppContext,
8683 // ) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
8684 // self.display_map.read(cx).text_highlights(TypeId::of::<T>())
8685 // }
8686
8687 pub fn clear_highlights<T: 'static>(&mut self, cx: &mut ViewContext<Self>) {
8688 let cleared = self
8689 .display_map
8690 .update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
8691 if cleared {
8692 cx.notify();
8693 }
8694 }
8695
8696 // pub fn show_local_cursors(&self, cx: &AppContext) -> bool {
8697 // self.blink_manager.read(cx).visible() && self.focused
8698 // }
8699
8700 fn on_buffer_changed(&mut self, _: Model<MultiBuffer>, cx: &mut ViewContext<Self>) {
8701 cx.notify();
8702 }
8703
8704 fn on_buffer_event(
8705 &mut self,
8706 multibuffer: Model<MultiBuffer>,
8707 event: &multi_buffer::Event,
8708 cx: &mut ViewContext<Self>,
8709 ) {
8710 match event {
8711 multi_buffer::Event::Edited {
8712 sigleton_buffer_edited,
8713 } => {
8714 self.refresh_active_diagnostics(cx);
8715 self.refresh_code_actions(cx);
8716 if self.has_active_copilot_suggestion(cx) {
8717 self.update_visible_copilot_suggestion(cx);
8718 }
8719 cx.emit(Event::BufferEdited);
8720
8721 if *sigleton_buffer_edited {
8722 if let Some(project) = &self.project {
8723 let project = project.read(cx);
8724 let languages_affected = multibuffer
8725 .read(cx)
8726 .all_buffers()
8727 .into_iter()
8728 .filter_map(|buffer| {
8729 let buffer = buffer.read(cx);
8730 let language = buffer.language()?;
8731 if project.is_local()
8732 && project.language_servers_for_buffer(buffer, cx).count() == 0
8733 {
8734 None
8735 } else {
8736 Some(language)
8737 }
8738 })
8739 .cloned()
8740 .collect::<HashSet<_>>();
8741 if !languages_affected.is_empty() {
8742 self.refresh_inlay_hints(
8743 InlayHintRefreshReason::BufferEdited(languages_affected),
8744 cx,
8745 );
8746 }
8747 }
8748 }
8749 }
8750 multi_buffer::Event::ExcerptsAdded {
8751 buffer,
8752 predecessor,
8753 excerpts,
8754 } => {
8755 cx.emit(Event::ExcerptsAdded {
8756 buffer: buffer.clone(),
8757 predecessor: *predecessor,
8758 excerpts: excerpts.clone(),
8759 });
8760 self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
8761 }
8762 multi_buffer::Event::ExcerptsRemoved { ids } => {
8763 self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
8764 cx.emit(Event::ExcerptsRemoved { ids: ids.clone() })
8765 }
8766 multi_buffer::Event::Reparsed => cx.emit(Event::Reparsed),
8767 multi_buffer::Event::DirtyChanged => cx.emit(Event::DirtyChanged),
8768 multi_buffer::Event::Saved => cx.emit(Event::Saved),
8769 multi_buffer::Event::FileHandleChanged => cx.emit(Event::TitleChanged),
8770 multi_buffer::Event::Reloaded => cx.emit(Event::TitleChanged),
8771 multi_buffer::Event::DiffBaseChanged => cx.emit(Event::DiffBaseChanged),
8772 multi_buffer::Event::Closed => cx.emit(Event::Closed),
8773 multi_buffer::Event::DiagnosticsUpdated => {
8774 self.refresh_active_diagnostics(cx);
8775 }
8776 _ => {}
8777 };
8778 }
8779
8780 fn on_display_map_changed(&mut self, _: Model<DisplayMap>, cx: &mut ViewContext<Self>) {
8781 cx.notify();
8782 }
8783
8784 fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
8785 self.refresh_copilot_suggestions(true, cx);
8786 self.refresh_inlay_hints(
8787 InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
8788 self.selections.newest_anchor().head(),
8789 &self.buffer.read(cx).snapshot(cx),
8790 cx,
8791 )),
8792 cx,
8793 );
8794 }
8795
8796 // pub fn set_searchable(&mut self, searchable: bool) {
8797 // self.searchable = searchable;
8798 // }
8799
8800 // pub fn searchable(&self) -> bool {
8801 // self.searchable
8802 // }
8803
8804 // fn open_excerpts(workspace: &mut Workspace, _: &OpenExcerpts, cx: &mut ViewContext<Workspace>) {
8805 // let active_item = workspace.active_item(cx);
8806 // let editor_handle = if let Some(editor) = active_item
8807 // .as_ref()
8808 // .and_then(|item| item.act_as::<Self>(cx))
8809 // {
8810 // editor
8811 // } else {
8812 // cx.propagate_action();
8813 // return;
8814 // };
8815
8816 // let editor = editor_handle.read(cx);
8817 // let buffer = editor.buffer.read(cx);
8818 // if buffer.is_singleton() {
8819 // cx.propagate_action();
8820 // return;
8821 // }
8822
8823 // let mut new_selections_by_buffer = HashMap::default();
8824 // for selection in editor.selections.all::<usize>(cx) {
8825 // for (buffer, mut range, _) in
8826 // buffer.range_to_buffer_ranges(selection.start..selection.end, cx)
8827 // {
8828 // if selection.reversed {
8829 // mem::swap(&mut range.start, &mut range.end);
8830 // }
8831 // new_selections_by_buffer
8832 // .entry(buffer)
8833 // .or_insert(Vec::new())
8834 // .push(range)
8835 // }
8836 // }
8837
8838 // editor_handle.update(cx, |editor, cx| {
8839 // editor.push_to_nav_history(editor.selections.newest_anchor().head(), None, cx);
8840 // });
8841 // let pane = workspace.active_pane().clone();
8842 // pane.update(cx, |pane, _| pane.disable_history());
8843
8844 // // We defer the pane interaction because we ourselves are a workspace item
8845 // // and activating a new item causes the pane to call a method on us reentrantly,
8846 // // which panics if we're on the stack.
8847 // cx.defer(move |workspace, cx| {
8848 // for (buffer, ranges) in new_selections_by_buffer.into_iter() {
8849 // let editor = workspace.open_project_item::<Self>(buffer, cx);
8850 // editor.update(cx, |editor, cx| {
8851 // editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
8852 // s.select_ranges(ranges);
8853 // });
8854 // });
8855 // }
8856
8857 // pane.update(cx, |pane, _| pane.enable_history());
8858 // });
8859 // }
8860
8861 // fn jump(
8862 // workspace: &mut Workspace,
8863 // path: ProjectPath,
8864 // position: Point,
8865 // anchor: language::Anchor,
8866 // cx: &mut ViewContext<Workspace>,
8867 // ) {
8868 // let editor = workspace.open_path(path, None, true, cx);
8869 // cx.spawn(|_, mut cx| async move {
8870 // let editor = editor
8871 // .await?
8872 // .downcast::<Editor>()
8873 // .ok_or_else(|| anyhow!("opened item was not an editor"))?
8874 // .downgrade();
8875 // editor.update(&mut cx, |editor, cx| {
8876 // let buffer = editor
8877 // .buffer()
8878 // .read(cx)
8879 // .as_singleton()
8880 // .ok_or_else(|| anyhow!("cannot jump in a multi-buffer"))?;
8881 // let buffer = buffer.read(cx);
8882 // let cursor = if buffer.can_resolve(&anchor) {
8883 // language::ToPoint::to_point(&anchor, buffer)
8884 // } else {
8885 // buffer.clip_point(position, Bias::Left)
8886 // };
8887
8888 // let nav_history = editor.nav_history.take();
8889 // editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
8890 // s.select_ranges([cursor..cursor]);
8891 // });
8892 // editor.nav_history = nav_history;
8893
8894 // anyhow::Ok(())
8895 // })??;
8896
8897 // anyhow::Ok(())
8898 // })
8899 // .detach_and_log_err(cx);
8900 // }
8901
8902 // fn marked_text_ranges(&self, cx: &AppContext) -> Option<Vec<Range<OffsetUtf16>>> {
8903 // let snapshot = self.buffer.read(cx).read(cx);
8904 // let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
8905 // Some(
8906 // ranges
8907 // .iter()
8908 // .map(move |range| {
8909 // range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
8910 // })
8911 // .collect(),
8912 // )
8913 // }
8914
8915 // fn selection_replacement_ranges(
8916 // &self,
8917 // range: Range<OffsetUtf16>,
8918 // cx: &AppContext,
8919 // ) -> Vec<Range<OffsetUtf16>> {
8920 // let selections = self.selections.all::<OffsetUtf16>(cx);
8921 // let newest_selection = selections
8922 // .iter()
8923 // .max_by_key(|selection| selection.id)
8924 // .unwrap();
8925 // let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
8926 // let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
8927 // let snapshot = self.buffer.read(cx).read(cx);
8928 // selections
8929 // .into_iter()
8930 // .map(|mut selection| {
8931 // selection.start.0 =
8932 // (selection.start.0 as isize).saturating_add(start_delta) as usize;
8933 // selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
8934 // snapshot.clip_offset_utf16(selection.start, Bias::Left)
8935 // ..snapshot.clip_offset_utf16(selection.end, Bias::Right)
8936 // })
8937 // .collect()
8938 // }
8939
8940 fn report_copilot_event(
8941 &self,
8942 suggestion_id: Option<String>,
8943 suggestion_accepted: bool,
8944 cx: &AppContext,
8945 ) {
8946 let Some(project) = &self.project else { return };
8947
8948 // If None, we are either getting suggestions in a new, unsaved file, or in a file without an extension
8949 let file_extension = self
8950 .buffer
8951 .read(cx)
8952 .as_singleton()
8953 .and_then(|b| b.read(cx).file())
8954 .and_then(|file| Path::new(file.file_name(cx)).extension())
8955 .and_then(|e| e.to_str())
8956 .map(|a| a.to_string());
8957
8958 let telemetry = project.read(cx).client().telemetry().clone();
8959 let telemetry_settings = *TelemetrySettings::get_global(cx);
8960
8961 let event = ClickhouseEvent::Copilot {
8962 suggestion_id,
8963 suggestion_accepted,
8964 file_extension,
8965 };
8966 telemetry.report_clickhouse_event(event, telemetry_settings);
8967 }
8968
8969 #[cfg(any(test, feature = "test-support"))]
8970 fn report_editor_event(
8971 &self,
8972 _operation: &'static str,
8973 _file_extension: Option<String>,
8974 _cx: &AppContext,
8975 ) {
8976 }
8977
8978 #[cfg(not(any(test, feature = "test-support")))]
8979 fn report_editor_event(
8980 &self,
8981 operation: &'static str,
8982 file_extension: Option<String>,
8983 cx: &AppContext,
8984 ) {
8985 todo!("old version below");
8986 }
8987 // let Some(project) = &self.project else { return };
8988
8989 // // If None, we are in a file without an extension
8990 // let file = self
8991 // .buffer
8992 // .read(cx)
8993 // .as_singleton()
8994 // .and_then(|b| b.read(cx).file());
8995 // let file_extension = file_extension.or(file
8996 // .as_ref()
8997 // .and_then(|file| Path::new(file.file_name(cx)).extension())
8998 // .and_then(|e| e.to_str())
8999 // .map(|a| a.to_string()));
9000
9001 // let vim_mode = cx
9002 // .global::<SettingsStore>()
9003 // .raw_user_settings()
9004 // .get("vim_mode")
9005 // == Some(&serde_json::Value::Bool(true));
9006 // let telemetry_settings = *settings::get::<TelemetrySettings>(cx);
9007 // let copilot_enabled = all_language_settings(file, cx).copilot_enabled(None, None);
9008 // let copilot_enabled_for_language = self
9009 // .buffer
9010 // .read(cx)
9011 // .settings_at(0, cx)
9012 // .show_copilot_suggestions;
9013
9014 // let telemetry = project.read(cx).client().telemetry().clone();
9015 // let event = ClickhouseEvent::Editor {
9016 // file_extension,
9017 // vim_mode,
9018 // operation,
9019 // copilot_enabled,
9020 // copilot_enabled_for_language,
9021 // };
9022 // telemetry.report_clickhouse_event(event, telemetry_settings)
9023 // }
9024
9025 // /// Copy the highlighted chunks to the clipboard as JSON. The format is an array of lines,
9026 // /// with each line being an array of {text, highlight} objects.
9027 // fn copy_highlight_json(&mut self, _: &CopyHighlightJson, cx: &mut ViewContext<Self>) {
9028 // let Some(buffer) = self.buffer.read(cx).as_singleton() else {
9029 // return;
9030 // };
9031
9032 // #[derive(Serialize)]
9033 // struct Chunk<'a> {
9034 // text: String,
9035 // highlight: Option<&'a str>,
9036 // }
9037
9038 // let snapshot = buffer.read(cx).snapshot();
9039 // let range = self
9040 // .selected_text_range(cx)
9041 // .and_then(|selected_range| {
9042 // if selected_range.is_empty() {
9043 // None
9044 // } else {
9045 // Some(selected_range)
9046 // }
9047 // })
9048 // .unwrap_or_else(|| 0..snapshot.len());
9049
9050 // let chunks = snapshot.chunks(range, true);
9051 // let mut lines = Vec::new();
9052 // let mut line: VecDeque<Chunk> = VecDeque::new();
9053
9054 // let theme = &theme::current(cx).editor.syntax;
9055
9056 // for chunk in chunks {
9057 // let highlight = chunk.syntax_highlight_id.and_then(|id| id.name(theme));
9058 // let mut chunk_lines = chunk.text.split("\n").peekable();
9059 // while let Some(text) = chunk_lines.next() {
9060 // let mut merged_with_last_token = false;
9061 // if let Some(last_token) = line.back_mut() {
9062 // if last_token.highlight == highlight {
9063 // last_token.text.push_str(text);
9064 // merged_with_last_token = true;
9065 // }
9066 // }
9067
9068 // if !merged_with_last_token {
9069 // line.push_back(Chunk {
9070 // text: text.into(),
9071 // highlight,
9072 // });
9073 // }
9074
9075 // if chunk_lines.peek().is_some() {
9076 // if line.len() > 1 && line.front().unwrap().text.is_empty() {
9077 // line.pop_front();
9078 // }
9079 // if line.len() > 1 && line.back().unwrap().text.is_empty() {
9080 // line.pop_back();
9081 // }
9082
9083 // lines.push(mem::take(&mut line));
9084 // }
9085 // }
9086 // }
9087
9088 // let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
9089 // return;
9090 // };
9091 // cx.write_to_clipboard(ClipboardItem::new(lines));
9092 // }
9093
9094 // pub fn inlay_hint_cache(&self) -> &InlayHintCache {
9095 // &self.inlay_hint_cache
9096 // }
9097
9098 // pub fn replay_insert_event(
9099 // &mut self,
9100 // text: &str,
9101 // relative_utf16_range: Option<Range<isize>>,
9102 // cx: &mut ViewContext<Self>,
9103 // ) {
9104 // if !self.input_enabled {
9105 // cx.emit(Event::InputIgnored { text: text.into() });
9106 // return;
9107 // }
9108 // if let Some(relative_utf16_range) = relative_utf16_range {
9109 // let selections = self.selections.all::<OffsetUtf16>(cx);
9110 // self.change_selections(None, cx, |s| {
9111 // let new_ranges = selections.into_iter().map(|range| {
9112 // let start = OffsetUtf16(
9113 // range
9114 // .head()
9115 // .0
9116 // .saturating_add_signed(relative_utf16_range.start),
9117 // );
9118 // let end = OffsetUtf16(
9119 // range
9120 // .head()
9121 // .0
9122 // .saturating_add_signed(relative_utf16_range.end),
9123 // );
9124 // start..end
9125 // });
9126 // s.select_ranges(new_ranges);
9127 // });
9128 // }
9129
9130 // self.handle_input(text, cx);
9131 // }
9132
9133 // pub fn supports_inlay_hints(&self, cx: &AppContext) -> bool {
9134 // let Some(project) = self.project.as_ref() else {
9135 // return false;
9136 // };
9137 // let project = project.read(cx);
9138
9139 // let mut supports = false;
9140 // self.buffer().read(cx).for_each_buffer(|buffer| {
9141 // if !supports {
9142 // supports = project
9143 // .language_servers_for_buffer(buffer.read(cx), cx)
9144 // .any(
9145 // |(_, server)| match server.capabilities().inlay_hint_provider {
9146 // Some(lsp::OneOf::Left(enabled)) => enabled,
9147 // Some(lsp::OneOf::Right(_)) => true,
9148 // None => false,
9149 // },
9150 // )
9151 // }
9152 // });
9153 // supports
9154 // }
9155}
9156
9157pub trait CollaborationHub {
9158 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator>;
9159 fn user_participant_indices<'a>(
9160 &self,
9161 cx: &'a AppContext,
9162 ) -> &'a HashMap<u64, ParticipantIndex>;
9163}
9164
9165impl CollaborationHub for Model<Project> {
9166 fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator> {
9167 self.read(cx).collaborators()
9168 }
9169
9170 fn user_participant_indices<'a>(
9171 &self,
9172 cx: &'a AppContext,
9173 ) -> &'a HashMap<u64, ParticipantIndex> {
9174 self.read(cx).user_store().read(cx).participant_indices()
9175 }
9176}
9177
9178fn inlay_hint_settings(
9179 location: Anchor,
9180 snapshot: &MultiBufferSnapshot,
9181 cx: &mut ViewContext<'_, Editor>,
9182) -> InlayHintSettings {
9183 let file = snapshot.file_at(location);
9184 let language = snapshot.language_at(location);
9185 let settings = all_language_settings(file, cx);
9186 settings
9187 .language(language.map(|l| l.name()).as_deref())
9188 .inlay_hints
9189}
9190
9191fn consume_contiguous_rows(
9192 contiguous_row_selections: &mut Vec<Selection<Point>>,
9193 selection: &Selection<Point>,
9194 display_map: &DisplaySnapshot,
9195 selections: &mut std::iter::Peekable<std::slice::Iter<Selection<Point>>>,
9196) -> (u32, u32) {
9197 contiguous_row_selections.push(selection.clone());
9198 let start_row = selection.start.row;
9199 let mut end_row = ending_row(selection, display_map);
9200
9201 while let Some(next_selection) = selections.peek() {
9202 if next_selection.start.row <= end_row {
9203 end_row = ending_row(next_selection, display_map);
9204 contiguous_row_selections.push(selections.next().unwrap().clone());
9205 } else {
9206 break;
9207 }
9208 }
9209 (start_row, end_row)
9210}
9211
9212fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> u32 {
9213 if next_selection.end.column > 0 || next_selection.is_empty() {
9214 display_map.next_line_boundary(next_selection.end).0.row + 1
9215 } else {
9216 next_selection.end.row
9217 }
9218}
9219
9220impl EditorSnapshot {
9221 pub fn remote_selections_in_range<'a>(
9222 &'a self,
9223 range: &'a Range<Anchor>,
9224 collaboration_hub: &dyn CollaborationHub,
9225 cx: &'a AppContext,
9226 ) -> impl 'a + Iterator<Item = RemoteSelection> {
9227 let participant_indices = collaboration_hub.user_participant_indices(cx);
9228 let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
9229 let collaborators_by_replica_id = collaborators_by_peer_id
9230 .iter()
9231 .map(|(_, collaborator)| (collaborator.replica_id, collaborator))
9232 .collect::<HashMap<_, _>>();
9233 self.buffer_snapshot
9234 .remote_selections_in_range(range)
9235 .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
9236 let collaborator = collaborators_by_replica_id.get(&replica_id)?;
9237 let participant_index = participant_indices.get(&collaborator.user_id).copied();
9238 Some(RemoteSelection {
9239 replica_id,
9240 selection,
9241 cursor_shape,
9242 line_mode,
9243 participant_index,
9244 peer_id: collaborator.peer_id,
9245 })
9246 })
9247 }
9248
9249 pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
9250 self.display_snapshot.buffer_snapshot.language_at(position)
9251 }
9252
9253 pub fn is_focused(&self) -> bool {
9254 self.is_focused
9255 }
9256
9257 pub fn placeholder_text(&self) -> Option<&Arc<str>> {
9258 self.placeholder_text.as_ref()
9259 }
9260
9261 pub fn scroll_position(&self) -> gpui::Point<f32> {
9262 self.scroll_anchor.scroll_position(&self.display_snapshot)
9263 }
9264}
9265
9266impl Deref for EditorSnapshot {
9267 type Target = DisplaySnapshot;
9268
9269 fn deref(&self) -> &Self::Target {
9270 &self.display_snapshot
9271 }
9272}
9273
9274#[derive(Clone, Debug, PartialEq, Eq)]
9275pub enum Event {
9276 InputIgnored {
9277 text: Arc<str>,
9278 },
9279 InputHandled {
9280 utf16_range_to_replace: Option<Range<isize>>,
9281 text: Arc<str>,
9282 },
9283 ExcerptsAdded {
9284 buffer: Model<Buffer>,
9285 predecessor: ExcerptId,
9286 excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
9287 },
9288 ExcerptsRemoved {
9289 ids: Vec<ExcerptId>,
9290 },
9291 BufferEdited,
9292 Edited,
9293 Reparsed,
9294 Focused,
9295 Blurred,
9296 DirtyChanged,
9297 Saved,
9298 TitleChanged,
9299 DiffBaseChanged,
9300 SelectionsChanged {
9301 local: bool,
9302 },
9303 ScrollPositionChanged {
9304 local: bool,
9305 autoscroll: bool,
9306 },
9307 Closed,
9308}
9309
9310pub struct EditorFocused(pub View<Editor>);
9311pub struct EditorBlurred(pub View<Editor>);
9312pub struct EditorReleased(pub WeakView<Editor>);
9313
9314// impl Entity for Editor {
9315// type Event = Event;
9316
9317// fn release(&mut self, cx: &mut AppContext) {
9318// cx.emit_global(EditorReleased(self.handle.clone()));
9319// }
9320// }
9321//
9322impl EventEmitter for Editor {
9323 type Event = Event;
9324}
9325
9326impl Render for Editor {
9327 type Element = EditorElement;
9328
9329 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
9330 todo!()
9331 }
9332}
9333
9334// impl View for Editor {
9335// fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
9336// let style = self.style(cx);
9337// let font_changed = self.display_map.update(cx, |map, cx| {
9338// map.set_fold_ellipses_color(style.folds.ellipses.text_color);
9339// map.set_font_with_size(style.text.font_id, style.text.font_size, cx)
9340// });
9341
9342// if font_changed {
9343// cx.defer(move |editor, cx: &mut ViewContext<Editor>| {
9344// hide_hover(editor, cx);
9345// hide_link_definition(editor, cx);
9346// });
9347// }
9348
9349// Stack::new()
9350// .with_child(EditorElement::new(style.clone()))
9351// .with_child(ChildView::new(&self.mouse_context_menu, cx))
9352// .into_any()
9353// }
9354
9355// fn ui_name() -> &'static str {
9356// "Editor"
9357// }
9358
9359// fn focus_in(&mut self, focused: AnyView, cx: &mut ViewContext<Self>) {
9360// if cx.is_self_focused() {
9361// let focused_event = EditorFocused(cx.handle());
9362// cx.emit(Event::Focused);
9363// cx.emit_global(focused_event);
9364// }
9365// if let Some(rename) = self.pending_rename.as_ref() {
9366// cx.focus(&rename.editor);
9367// } else if cx.is_self_focused() || !focused.is::<Editor>() {
9368// if !self.focused {
9369// self.blink_manager.update(cx, BlinkManager::enable);
9370// }
9371// self.focused = true;
9372// self.buffer.update(cx, |buffer, cx| {
9373// buffer.finalize_last_transaction(cx);
9374// if self.leader_peer_id.is_none() {
9375// buffer.set_active_selections(
9376// &self.selections.disjoint_anchors(),
9377// self.selections.line_mode,
9378// self.cursor_shape,
9379// cx,
9380// );
9381// }
9382// });
9383// }
9384// }
9385
9386// fn focus_out(&mut self, _: AnyView, cx: &mut ViewContext<Self>) {
9387// let blurred_event = EditorBlurred(cx.handle());
9388// cx.emit_global(blurred_event);
9389// self.focused = false;
9390// self.blink_manager.update(cx, BlinkManager::disable);
9391// self.buffer
9392// .update(cx, |buffer, cx| buffer.remove_active_selections(cx));
9393// self.hide_context_menu(cx);
9394// hide_hover(self, cx);
9395// cx.emit(Event::Blurred);
9396// cx.notify();
9397// }
9398
9399// fn modifiers_changed(
9400// &mut self,
9401// event: &gpui::platform::ModifiersChangedEvent,
9402// cx: &mut ViewContext<Self>,
9403// ) -> bool {
9404// let pending_selection = self.has_pending_selection();
9405
9406// if let Some(point) = &self.link_go_to_definition_state.last_trigger_point {
9407// if event.cmd && !pending_selection {
9408// let point = point.clone();
9409// let snapshot = self.snapshot(cx);
9410// let kind = point.definition_kind(event.shift);
9411
9412// show_link_definition(kind, self, point, snapshot, cx);
9413// return false;
9414// }
9415// }
9416
9417// {
9418// if self.link_go_to_definition_state.symbol_range.is_some()
9419// || !self.link_go_to_definition_state.definitions.is_empty()
9420// {
9421// self.link_go_to_definition_state.symbol_range.take();
9422// self.link_go_to_definition_state.definitions.clear();
9423// cx.notify();
9424// }
9425
9426// self.link_go_to_definition_state.task = None;
9427
9428// self.clear_highlights::<LinkGoToDefinitionState>(cx);
9429// }
9430
9431// false
9432// }
9433
9434// fn update_keymap_context(&self, keymap: &mut KeymapContext, cx: &AppContext) {
9435// Self::reset_to_default_keymap_context(keymap);
9436// let mode = match self.mode {
9437// EditorMode::SingleLine => "single_line",
9438// EditorMode::AutoHeight { .. } => "auto_height",
9439// EditorMode::Full => "full",
9440// };
9441// keymap.add_key("mode", mode);
9442// if self.pending_rename.is_some() {
9443// keymap.add_identifier("renaming");
9444// }
9445// if self.context_menu_visible() {
9446// match self.context_menu.read().as_ref() {
9447// Some(ContextMenu::Completions(_)) => {
9448// keymap.add_identifier("menu");
9449// keymap.add_identifier("showing_completions")
9450// }
9451// Some(ContextMenu::CodeActions(_)) => {
9452// keymap.add_identifier("menu");
9453// keymap.add_identifier("showing_code_actions")
9454// }
9455// None => {}
9456// }
9457// }
9458
9459// for layer in self.keymap_context_layers.values() {
9460// keymap.extend(layer);
9461// }
9462
9463// if let Some(extension) = self
9464// .buffer
9465// .read(cx)
9466// .as_singleton()
9467// .and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
9468// {
9469// keymap.add_key("extension", extension.to_string());
9470// }
9471// }
9472
9473// fn text_for_range(&self, range_utf16: Range<usize>, cx: &AppContext) -> Option<String> {
9474// Some(
9475// self.buffer
9476// .read(cx)
9477// .read(cx)
9478// .text_for_range(OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end))
9479// .collect(),
9480// )
9481// }
9482
9483// fn selected_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
9484// // Prevent the IME menu from appearing when holding down an alphabetic key
9485// // while input is disabled.
9486// if !self.input_enabled {
9487// return None;
9488// }
9489
9490// let range = self.selections.newest::<OffsetUtf16>(cx).range();
9491// Some(range.start.0..range.end.0)
9492// }
9493
9494// fn marked_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
9495// let snapshot = self.buffer.read(cx).read(cx);
9496// let range = self.text_highlights::<InputComposition>(cx)?.1.get(0)?;
9497// Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
9498// }
9499
9500// fn unmark_text(&mut self, cx: &mut ViewContext<Self>) {
9501// self.clear_highlights::<InputComposition>(cx);
9502// self.ime_transaction.take();
9503// }
9504
9505// fn replace_text_in_range(
9506// &mut self,
9507// range_utf16: Option<Range<usize>>,
9508// text: &str,
9509// cx: &mut ViewContext<Self>,
9510// ) {
9511// if !self.input_enabled {
9512// cx.emit(Event::InputIgnored { text: text.into() });
9513// return;
9514// }
9515
9516// self.transact(cx, |this, cx| {
9517// let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
9518// let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
9519// Some(this.selection_replacement_ranges(range_utf16, cx))
9520// } else {
9521// this.marked_text_ranges(cx)
9522// };
9523
9524// let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
9525// let newest_selection_id = this.selections.newest_anchor().id;
9526// this.selections
9527// .all::<OffsetUtf16>(cx)
9528// .iter()
9529// .zip(ranges_to_replace.iter())
9530// .find_map(|(selection, range)| {
9531// if selection.id == newest_selection_id {
9532// Some(
9533// (range.start.0 as isize - selection.head().0 as isize)
9534// ..(range.end.0 as isize - selection.head().0 as isize),
9535// )
9536// } else {
9537// None
9538// }
9539// })
9540// });
9541
9542// cx.emit(Event::InputHandled {
9543// utf16_range_to_replace: range_to_replace,
9544// text: text.into(),
9545// });
9546
9547// if let Some(new_selected_ranges) = new_selected_ranges {
9548// this.change_selections(None, cx, |selections| {
9549// selections.select_ranges(new_selected_ranges)
9550// });
9551// }
9552
9553// this.handle_input(text, cx);
9554// });
9555
9556// if let Some(transaction) = self.ime_transaction {
9557// self.buffer.update(cx, |buffer, cx| {
9558// buffer.group_until_transaction(transaction, cx);
9559// });
9560// }
9561
9562// self.unmark_text(cx);
9563// }
9564
9565// fn replace_and_mark_text_in_range(
9566// &mut self,
9567// range_utf16: Option<Range<usize>>,
9568// text: &str,
9569// new_selected_range_utf16: Option<Range<usize>>,
9570// cx: &mut ViewContext<Self>,
9571// ) {
9572// if !self.input_enabled {
9573// cx.emit(Event::InputIgnored { text: text.into() });
9574// return;
9575// }
9576
9577// let transaction = self.transact(cx, |this, cx| {
9578// let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
9579// let snapshot = this.buffer.read(cx).read(cx);
9580// if let Some(relative_range_utf16) = range_utf16.as_ref() {
9581// for marked_range in &mut marked_ranges {
9582// marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
9583// marked_range.start.0 += relative_range_utf16.start;
9584// marked_range.start =
9585// snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
9586// marked_range.end =
9587// snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
9588// }
9589// }
9590// Some(marked_ranges)
9591// } else if let Some(range_utf16) = range_utf16 {
9592// let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
9593// Some(this.selection_replacement_ranges(range_utf16, cx))
9594// } else {
9595// None
9596// };
9597
9598// let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
9599// let newest_selection_id = this.selections.newest_anchor().id;
9600// this.selections
9601// .all::<OffsetUtf16>(cx)
9602// .iter()
9603// .zip(ranges_to_replace.iter())
9604// .find_map(|(selection, range)| {
9605// if selection.id == newest_selection_id {
9606// Some(
9607// (range.start.0 as isize - selection.head().0 as isize)
9608// ..(range.end.0 as isize - selection.head().0 as isize),
9609// )
9610// } else {
9611// None
9612// }
9613// })
9614// });
9615
9616// cx.emit(Event::InputHandled {
9617// utf16_range_to_replace: range_to_replace,
9618// text: text.into(),
9619// });
9620
9621// if let Some(ranges) = ranges_to_replace {
9622// this.change_selections(None, cx, |s| s.select_ranges(ranges));
9623// }
9624
9625// let marked_ranges = {
9626// let snapshot = this.buffer.read(cx).read(cx);
9627// this.selections
9628// .disjoint_anchors()
9629// .iter()
9630// .map(|selection| {
9631// selection.start.bias_left(&*snapshot)..selection.end.bias_right(&*snapshot)
9632// })
9633// .collect::<Vec<_>>()
9634// };
9635
9636// if text.is_empty() {
9637// this.unmark_text(cx);
9638// } else {
9639// this.highlight_text::<InputComposition>(
9640// marked_ranges.clone(),
9641// this.style(cx).composition_mark,
9642// cx,
9643// );
9644// }
9645
9646// this.handle_input(text, cx);
9647
9648// if let Some(new_selected_range) = new_selected_range_utf16 {
9649// let snapshot = this.buffer.read(cx).read(cx);
9650// let new_selected_ranges = marked_ranges
9651// .into_iter()
9652// .map(|marked_range| {
9653// let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
9654// let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
9655// let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
9656// snapshot.clip_offset_utf16(new_start, Bias::Left)
9657// ..snapshot.clip_offset_utf16(new_end, Bias::Right)
9658// })
9659// .collect::<Vec<_>>();
9660
9661// drop(snapshot);
9662// this.change_selections(None, cx, |selections| {
9663// selections.select_ranges(new_selected_ranges)
9664// });
9665// }
9666// });
9667
9668// self.ime_transaction = self.ime_transaction.or(transaction);
9669// if let Some(transaction) = self.ime_transaction {
9670// self.buffer.update(cx, |buffer, cx| {
9671// buffer.group_until_transaction(transaction, cx);
9672// });
9673// }
9674
9675// if self.text_highlights::<InputComposition>(cx).is_none() {
9676// self.ime_transaction.take();
9677// }
9678// }
9679// }
9680
9681// fn build_style(
9682// settings: &ThemeSettings,
9683// get_field_editor_theme: Option<&GetFieldEditorTheme>,
9684// override_text_style: Option<&OverrideTextStyle>,
9685// cx: &mut AppContext,
9686// ) -> EditorStyle {
9687// let font_cache = cx.font_cache();
9688// let line_height_scalar = settings.line_height();
9689// let theme_id = settings.theme.meta.id;
9690// let mut theme = settings.theme.editor.clone();
9691// let mut style = if let Some(get_field_editor_theme) = get_field_editor_theme {
9692// let field_editor_theme = get_field_editor_theme(&settings.theme);
9693// theme.text_color = field_editor_theme.text.color;
9694// theme.selection = field_editor_theme.selection;
9695// theme.background = field_editor_theme
9696// .container
9697// .background_color
9698// .unwrap_or_default();
9699// EditorStyle {
9700// text: field_editor_theme.text,
9701// placeholder_text: field_editor_theme.placeholder_text,
9702// line_height_scalar,
9703// theme,
9704// theme_id,
9705// }
9706// } else {
9707// todo!();
9708// // let font_family_id = settings.buffer_font_family;
9709// // let font_family_name = cx.font_cache().family_name(font_family_id).unwrap();
9710// // let font_properties = Default::default();
9711// // let font_id = font_cache
9712// // .select_font(font_family_id, &font_properties)
9713// // .unwrap();
9714// // let font_size = settings.buffer_font_size(cx);
9715// // EditorStyle {
9716// // text: TextStyle {
9717// // color: settings.theme.editor.text_color,
9718// // font_family_name,
9719// // font_family_id,
9720// // font_id,
9721// // font_size,
9722// // font_properties,
9723// // underline: Default::default(),
9724// // soft_wrap: false,
9725// // },
9726// // placeholder_text: None,
9727// // line_height_scalar,
9728// // theme,
9729// // theme_id,
9730// // }
9731// };
9732
9733// if let Some(highlight_style) = override_text_style.and_then(|build_style| build_style(&style)) {
9734// if let Some(highlighted) = style
9735// .text
9736// .clone()
9737// .highlight(highlight_style, font_cache)
9738// .log_err()
9739// {
9740// style.text = highlighted;
9741// }
9742// }
9743
9744// style
9745// }
9746
9747trait SelectionExt {
9748 fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize>;
9749 fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point>;
9750 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
9751 fn spanned_rows(&self, include_end_if_at_line_start: bool, map: &DisplaySnapshot)
9752 -> Range<u32>;
9753}
9754
9755impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
9756 fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point> {
9757 let start = self.start.to_point(buffer);
9758 let end = self.end.to_point(buffer);
9759 if self.reversed {
9760 end..start
9761 } else {
9762 start..end
9763 }
9764 }
9765
9766 fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize> {
9767 let start = self.start.to_offset(buffer);
9768 let end = self.end.to_offset(buffer);
9769 if self.reversed {
9770 end..start
9771 } else {
9772 start..end
9773 }
9774 }
9775
9776 fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
9777 let start = self
9778 .start
9779 .to_point(&map.buffer_snapshot)
9780 .to_display_point(map);
9781 let end = self
9782 .end
9783 .to_point(&map.buffer_snapshot)
9784 .to_display_point(map);
9785 if self.reversed {
9786 end..start
9787 } else {
9788 start..end
9789 }
9790 }
9791
9792 fn spanned_rows(
9793 &self,
9794 include_end_if_at_line_start: bool,
9795 map: &DisplaySnapshot,
9796 ) -> Range<u32> {
9797 let start = self.start.to_point(&map.buffer_snapshot);
9798 let mut end = self.end.to_point(&map.buffer_snapshot);
9799 if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
9800 end.row -= 1;
9801 }
9802
9803 let buffer_start = map.prev_line_boundary(start).0;
9804 let buffer_end = map.next_line_boundary(end).0;
9805 buffer_start.row..buffer_end.row + 1
9806 }
9807}
9808
9809impl<T: InvalidationRegion> InvalidationStack<T> {
9810 fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
9811 where
9812 S: Clone + ToOffset,
9813 {
9814 while let Some(region) = self.last() {
9815 let all_selections_inside_invalidation_ranges =
9816 if selections.len() == region.ranges().len() {
9817 selections
9818 .iter()
9819 .zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
9820 .all(|(selection, invalidation_range)| {
9821 let head = selection.head().to_offset(buffer);
9822 invalidation_range.start <= head && invalidation_range.end >= head
9823 })
9824 } else {
9825 false
9826 };
9827
9828 if all_selections_inside_invalidation_ranges {
9829 break;
9830 } else {
9831 self.pop();
9832 }
9833 }
9834 }
9835}
9836
9837impl<T> Default for InvalidationStack<T> {
9838 fn default() -> Self {
9839 Self(Default::default())
9840 }
9841}
9842
9843impl<T> Deref for InvalidationStack<T> {
9844 type Target = Vec<T>;
9845
9846 fn deref(&self) -> &Self::Target {
9847 &self.0
9848 }
9849}
9850
9851impl<T> DerefMut for InvalidationStack<T> {
9852 fn deref_mut(&mut self) -> &mut Self::Target {
9853 &mut self.0
9854 }
9855}
9856
9857impl InvalidationRegion for SnippetState {
9858 fn ranges(&self) -> &[Range<Anchor>] {
9859 &self.ranges[self.active_index]
9860 }
9861}
9862
9863// impl Deref for EditorStyle {
9864// type Target = theme::Editor;
9865
9866// fn deref(&self) -> &Self::Target {
9867// &self.theme
9868// }
9869// }
9870
9871pub fn diagnostic_block_renderer(diagnostic: Diagnostic, is_valid: bool) -> RenderBlock {
9872 let mut highlighted_lines = Vec::new();
9873
9874 for (index, line) in diagnostic.message.lines().enumerate() {
9875 let line = match &diagnostic.source {
9876 Some(source) if index == 0 => {
9877 let source_highlight = Vec::from_iter(0..source.len());
9878 highlight_diagnostic_message(source_highlight, &format!("{source}: {line}"))
9879 }
9880
9881 _ => highlight_diagnostic_message(Vec::new(), line),
9882 };
9883 highlighted_lines.push(line);
9884 }
9885 let message = diagnostic.message;
9886 Arc::new(move |cx: &mut BlockContext| {
9887 todo!()
9888 // let message = message.clone();
9889 // let settings = ThemeSettings::get_global(cx);
9890 // let tooltip_style = settings.theme.tooltip.clone();
9891 // let theme = &settings.theme.editor;
9892 // let style = diagnostic_style(diagnostic.severity, is_valid, theme);
9893 // let font_size = (style.text_scale_factor * settings.buffer_font_size(cx)).round();
9894 // let anchor_x = cx.anchor_x;
9895 // enum BlockContextToolip {}
9896 // MouseEventHandler::new::<BlockContext, _>(cx.block_id, cx, |_, _| {
9897 // Flex::column()
9898 // .with_children(highlighted_lines.iter().map(|(line, highlights)| {
9899 // Label::new(
9900 // line.clone(),
9901 // style.message.clone().with_font_size(font_size),
9902 // )
9903 // .with_highlights(highlights.clone())
9904 // .contained()
9905 // .with_margin_left(anchor_x)
9906 // }))
9907 // .aligned()
9908 // .left()
9909 // .into_any()
9910 // })
9911 // .with_cursor_style(CursorStyle::PointingHand)
9912 // .on_click(MouseButton::Left, move |_, _, cx| {
9913 // cx.write_to_clipboard(ClipboardItem::new(message.clone()));
9914 // })
9915 // // We really need to rethink this ID system...
9916 // .with_tooltip::<BlockContextToolip>(
9917 // cx.block_id,
9918 // "Copy diagnostic message",
9919 // None,
9920 // tooltip_style,
9921 // cx,
9922 // )
9923 // .into_any()
9924 })
9925}
9926
9927pub fn highlight_diagnostic_message(
9928 initial_highlights: Vec<usize>,
9929 message: &str,
9930) -> (String, Vec<usize>) {
9931 let mut message_without_backticks = String::new();
9932 let mut prev_offset = 0;
9933 let mut inside_block = false;
9934 let mut highlights = initial_highlights;
9935 for (match_ix, (offset, _)) in message
9936 .match_indices('`')
9937 .chain([(message.len(), "")])
9938 .enumerate()
9939 {
9940 message_without_backticks.push_str(&message[prev_offset..offset]);
9941 if inside_block {
9942 highlights.extend(prev_offset - match_ix..offset - match_ix);
9943 }
9944
9945 inside_block = !inside_block;
9946 prev_offset = offset + 1;
9947 }
9948
9949 (message_without_backticks, highlights)
9950}
9951
9952// pub fn diagnostic_style(
9953// severity: DiagnosticSeverity,
9954// valid: bool,
9955// theme: &theme::Editor,
9956// ) -> DiagnosticStyle {
9957// match (severity, valid) {
9958// (DiagnosticSeverity::ERROR, true) => theme.error_diagnostic.clone(),
9959// (DiagnosticSeverity::ERROR, false) => theme.invalid_error_diagnostic.clone(),
9960// (DiagnosticSeverity::WARNING, true) => theme.warning_diagnostic.clone(),
9961// (DiagnosticSeverity::WARNING, false) => theme.invalid_warning_diagnostic.clone(),
9962// (DiagnosticSeverity::INFORMATION, true) => theme.information_diagnostic.clone(),
9963// (DiagnosticSeverity::INFORMATION, false) => theme.invalid_information_diagnostic.clone(),
9964// (DiagnosticSeverity::HINT, true) => theme.hint_diagnostic.clone(),
9965// (DiagnosticSeverity::HINT, false) => theme.invalid_hint_diagnostic.clone(),
9966// _ => theme.invalid_hint_diagnostic.clone(),
9967// }
9968// }
9969
9970// pub fn combine_syntax_and_fuzzy_match_highlights(
9971// text: &str,
9972// default_style: HighlightStyle,
9973// syntax_ranges: impl Iterator<Item = (Range<usize>, HighlightStyle)>,
9974// match_indices: &[usize],
9975// ) -> Vec<(Range<usize>, HighlightStyle)> {
9976// let mut result = Vec::new();
9977// let mut match_indices = match_indices.iter().copied().peekable();
9978
9979// for (range, mut syntax_highlight) in syntax_ranges.chain([(usize::MAX..0, Default::default())])
9980// {
9981// syntax_highlight.weight = None;
9982
9983// // Add highlights for any fuzzy match characters before the next
9984// // syntax highlight range.
9985// while let Some(&match_index) = match_indices.peek() {
9986// if match_index >= range.start {
9987// break;
9988// }
9989// match_indices.next();
9990// let end_index = char_ix_after(match_index, text);
9991// let mut match_style = default_style;
9992// match_style.weight = Some(FontWeight::BOLD);
9993// result.push((match_index..end_index, match_style));
9994// }
9995
9996// if range.start == usize::MAX {
9997// break;
9998// }
9999
10000// // Add highlights for any fuzzy match characters within the
10001// // syntax highlight range.
10002// let mut offset = range.start;
10003// while let Some(&match_index) = match_indices.peek() {
10004// if match_index >= range.end {
10005// break;
10006// }
10007
10008// match_indices.next();
10009// if match_index > offset {
10010// result.push((offset..match_index, syntax_highlight));
10011// }
10012
10013// let mut end_index = char_ix_after(match_index, text);
10014// while let Some(&next_match_index) = match_indices.peek() {
10015// if next_match_index == end_index && next_match_index < range.end {
10016// end_index = char_ix_after(next_match_index, text);
10017// match_indices.next();
10018// } else {
10019// break;
10020// }
10021// }
10022
10023// let mut match_style = syntax_highlight;
10024// match_style.weight = Some(FontWeight::BOLD);
10025// result.push((match_index..end_index, match_style));
10026// offset = end_index;
10027// }
10028
10029// if offset < range.end {
10030// result.push((offset..range.end, syntax_highlight));
10031// }
10032// }
10033
10034// fn char_ix_after(ix: usize, text: &str) -> usize {
10035// ix + text[ix..].chars().next().unwrap().len_utf8()
10036// }
10037
10038// result
10039// }
10040
10041// pub fn styled_runs_for_code_label<'a>(
10042// label: &'a CodeLabel,
10043// syntax_theme: &'a theme::SyntaxTheme,
10044// ) -> impl 'a + Iterator<Item = (Range<usize>, HighlightStyle)> {
10045// let fade_out = HighlightStyle {
10046// fade_out: Some(0.35),
10047// ..Default::default()
10048// };
10049
10050// let mut prev_end = label.filter_range.end;
10051// label
10052// .runs
10053// .iter()
10054// .enumerate()
10055// .flat_map(move |(ix, (range, highlight_id))| {
10056// let style = if let Some(style) = highlight_id.style(syntax_theme) {
10057// style
10058// } else {
10059// return Default::default();
10060// };
10061// let mut muted_style = style;
10062// muted_style.highlight(fade_out);
10063
10064// let mut runs = SmallVec::<[(Range<usize>, HighlightStyle); 3]>::new();
10065// if range.start >= label.filter_range.end {
10066// if range.start > prev_end {
10067// runs.push((prev_end..range.start, fade_out));
10068// }
10069// runs.push((range.clone(), muted_style));
10070// } else if range.end <= label.filter_range.end {
10071// runs.push((range.clone(), style));
10072// } else {
10073// runs.push((range.start..label.filter_range.end, style));
10074// runs.push((label.filter_range.end..range.end, muted_style));
10075// }
10076// prev_end = cmp::max(prev_end, range.end);
10077
10078// if ix + 1 == label.runs.len() && label.text.len() > prev_end {
10079// runs.push((prev_end..label.text.len(), fade_out));
10080// }
10081
10082// runs
10083// })
10084
10085pub fn split_words<'a>(text: &'a str) -> impl std::iter::Iterator<Item = &'a str> + 'a {
10086 let mut index = 0;
10087 let mut codepoints = text.char_indices().peekable();
10088
10089 std::iter::from_fn(move || {
10090 let start_index = index;
10091 while let Some((new_index, codepoint)) = codepoints.next() {
10092 index = new_index + codepoint.len_utf8();
10093 let current_upper = codepoint.is_uppercase();
10094 let next_upper = codepoints
10095 .peek()
10096 .map(|(_, c)| c.is_uppercase())
10097 .unwrap_or(false);
10098
10099 if !current_upper && next_upper {
10100 return Some(&text[start_index..index]);
10101 }
10102 }
10103
10104 index = text.len();
10105 if start_index < text.len() {
10106 return Some(&text[start_index..]);
10107 }
10108 None
10109 })
10110 .flat_map(|word| word.split_inclusive('_'))
10111 .flat_map(|word| word.split_inclusive('-'))
10112}
10113
10114trait RangeToAnchorExt {
10115 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
10116}
10117
10118impl<T: ToOffset> RangeToAnchorExt for Range<T> {
10119 fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
10120 snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
10121 }
10122}