1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, Editor, EditorMode, EditorSettings, EditorSnapshot, EditorStyle,
7 FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp, HandleInput,
8 HoveredCursor, InlayHintRefreshReason, InlineCompletion, JumpData, LineDown, LineHighlight,
9 LineUp, MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts,
10 PageDown, PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, DisplaySnapshot, EditorMargins, FoldId, HighlightKey,
16 HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap, ShowScrollbar,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{ActiveScrollbarState, ScrollbarThumbState, scroll_amount::ScrollAmount},
32};
33use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
34use collections::{BTreeMap, HashMap};
35use file_icons::FileIcons;
36use git::{
37 Oid,
38 blame::{BlameEntry, ParsedCommitMessage},
39 status::FileStatus,
40};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ContentMask, Context, Corner, Corners, CursorStyle, DispatchPhase, Edges,
44 Element, ElementInputHandler, Entity, Focusable as _, FontId, GlobalElementId, Hitbox,
45 HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero, Keystroke, Length,
46 ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad,
47 ParentElement, Pixels, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString,
48 Size, StatefulInteractiveElement, Style, Styled, TextRun, TextStyleRefinement, WeakEntity,
49 Window, anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline, point, px,
50 quad, relative, size, solid_background, transparent_black,
51};
52use itertools::Itertools;
53use language::language_settings::{
54 IndentGuideBackgroundColoring, IndentGuideColoring, IndentGuideSettings, ShowWhitespaceSetting,
55};
56use markdown::Markdown;
57use multi_buffer::{
58 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
59 MultiBufferRow, RowInfo,
60};
61
62use project::{
63 ProjectPath,
64 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
65 project_settings::{GitGutterSetting, GitHunkStyleSetting, ProjectSettings},
66};
67use settings::Settings;
68use smallvec::{SmallVec, smallvec};
69use std::{
70 any::TypeId,
71 borrow::Cow,
72 cmp::{self, Ordering},
73 fmt::{self, Write},
74 iter, mem,
75 ops::{Deref, Range},
76 rc::Rc,
77 sync::Arc,
78 time::{Duration, Instant},
79};
80use sum_tree::Bias;
81use text::{BufferId, SelectionGoal};
82use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
83use ui::{ButtonLike, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*};
84use unicode_segmentation::UnicodeSegmentation;
85use util::post_inc;
86use util::{RangeExt, ResultExt, debug_panic};
87use workspace::{CollaboratorId, Workspace, item::Item, notifications::NotifyTaskExt};
88
89const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 7.;
90const SELECTION_DRAG_DELAY: Duration = Duration::from_millis(300);
91
92/// Determines what kinds of highlights should be applied to a lines background.
93#[derive(Clone, Copy, Default)]
94struct LineHighlightSpec {
95 selection: bool,
96 breakpoint: bool,
97 _active_stack_frame: bool,
98}
99
100#[derive(Debug)]
101struct SelectionLayout {
102 head: DisplayPoint,
103 cursor_shape: CursorShape,
104 is_newest: bool,
105 is_local: bool,
106 range: Range<DisplayPoint>,
107 active_rows: Range<DisplayRow>,
108 user_name: Option<SharedString>,
109}
110
111struct InlineBlameLayout {
112 element: AnyElement,
113 bounds: Bounds<Pixels>,
114 entry: BlameEntry,
115}
116
117impl SelectionLayout {
118 fn new<T: ToPoint + ToDisplayPoint + Clone>(
119 selection: Selection<T>,
120 line_mode: bool,
121 cursor_shape: CursorShape,
122 map: &DisplaySnapshot,
123 is_newest: bool,
124 is_local: bool,
125 user_name: Option<SharedString>,
126 ) -> Self {
127 let point_selection = selection.map(|p| p.to_point(&map.buffer_snapshot));
128 let display_selection = point_selection.map(|p| p.to_display_point(map));
129 let mut range = display_selection.range();
130 let mut head = display_selection.head();
131 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
132 ..map.next_line_boundary(point_selection.end).1.row();
133
134 // vim visual line mode
135 if line_mode {
136 let point_range = map.expand_to_line(point_selection.range());
137 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
138 }
139
140 // any vim visual mode (including line mode)
141 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
142 && !range.is_empty()
143 && !selection.reversed
144 {
145 if head.column() > 0 {
146 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
147 } else if head.row().0 > 0 && head != map.max_point() {
148 head = map.clip_point(
149 DisplayPoint::new(
150 head.row().previous_row(),
151 map.line_len(head.row().previous_row()),
152 ),
153 Bias::Left,
154 );
155 // updating range.end is a no-op unless you're cursor is
156 // on the newline containing a multi-buffer divider
157 // in which case the clip_point may have moved the head up
158 // an additional row.
159 range.end = DisplayPoint::new(head.row().next_row(), 0);
160 active_rows.end = head.row();
161 }
162 }
163
164 Self {
165 head,
166 cursor_shape,
167 is_newest,
168 is_local,
169 range,
170 active_rows,
171 user_name,
172 }
173 }
174}
175
176pub struct EditorElement {
177 editor: Entity<Editor>,
178 style: EditorStyle,
179}
180
181type DisplayRowDelta = u32;
182
183impl EditorElement {
184 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
185
186 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
187 Self {
188 editor: editor.clone(),
189 style,
190 }
191 }
192
193 fn register_actions(&self, window: &mut Window, cx: &mut App) {
194 let editor = &self.editor;
195 editor.update(cx, |editor, cx| {
196 for action in editor.editor_actions.borrow().values() {
197 (action)(editor, window, cx)
198 }
199 });
200
201 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
202 crate::clangd_ext::apply_related_actions(editor, window, cx);
203
204 register_action(editor, window, Editor::open_context_menu);
205 register_action(editor, window, Editor::move_left);
206 register_action(editor, window, Editor::move_right);
207 register_action(editor, window, Editor::move_down);
208 register_action(editor, window, Editor::move_down_by_lines);
209 register_action(editor, window, Editor::select_down_by_lines);
210 register_action(editor, window, Editor::move_up);
211 register_action(editor, window, Editor::move_up_by_lines);
212 register_action(editor, window, Editor::select_up_by_lines);
213 register_action(editor, window, Editor::select_page_down);
214 register_action(editor, window, Editor::select_page_up);
215 register_action(editor, window, Editor::cancel);
216 register_action(editor, window, Editor::newline);
217 register_action(editor, window, Editor::newline_above);
218 register_action(editor, window, Editor::newline_below);
219 register_action(editor, window, Editor::backspace);
220 register_action(editor, window, Editor::delete);
221 register_action(editor, window, Editor::tab);
222 register_action(editor, window, Editor::backtab);
223 register_action(editor, window, Editor::indent);
224 register_action(editor, window, Editor::outdent);
225 register_action(editor, window, Editor::autoindent);
226 register_action(editor, window, Editor::delete_line);
227 register_action(editor, window, Editor::join_lines);
228 register_action(editor, window, Editor::sort_lines_case_sensitive);
229 register_action(editor, window, Editor::sort_lines_case_insensitive);
230 register_action(editor, window, Editor::reverse_lines);
231 register_action(editor, window, Editor::shuffle_lines);
232 register_action(editor, window, Editor::toggle_case);
233 register_action(editor, window, Editor::convert_to_upper_case);
234 register_action(editor, window, Editor::convert_to_lower_case);
235 register_action(editor, window, Editor::convert_to_title_case);
236 register_action(editor, window, Editor::convert_to_snake_case);
237 register_action(editor, window, Editor::convert_to_kebab_case);
238 register_action(editor, window, Editor::convert_to_upper_camel_case);
239 register_action(editor, window, Editor::convert_to_lower_camel_case);
240 register_action(editor, window, Editor::convert_to_opposite_case);
241 register_action(editor, window, Editor::convert_to_rot13);
242 register_action(editor, window, Editor::convert_to_rot47);
243 register_action(editor, window, Editor::delete_to_previous_word_start);
244 register_action(editor, window, Editor::delete_to_previous_subword_start);
245 register_action(editor, window, Editor::delete_to_next_word_end);
246 register_action(editor, window, Editor::delete_to_next_subword_end);
247 register_action(editor, window, Editor::delete_to_beginning_of_line);
248 register_action(editor, window, Editor::delete_to_end_of_line);
249 register_action(editor, window, Editor::cut_to_end_of_line);
250 register_action(editor, window, Editor::duplicate_line_up);
251 register_action(editor, window, Editor::duplicate_line_down);
252 register_action(editor, window, Editor::duplicate_selection);
253 register_action(editor, window, Editor::move_line_up);
254 register_action(editor, window, Editor::move_line_down);
255 register_action(editor, window, Editor::transpose);
256 register_action(editor, window, Editor::rewrap);
257 register_action(editor, window, Editor::cut);
258 register_action(editor, window, Editor::kill_ring_cut);
259 register_action(editor, window, Editor::kill_ring_yank);
260 register_action(editor, window, Editor::copy);
261 register_action(editor, window, Editor::copy_and_trim);
262 register_action(editor, window, Editor::paste);
263 register_action(editor, window, Editor::undo);
264 register_action(editor, window, Editor::redo);
265 register_action(editor, window, Editor::move_page_up);
266 register_action(editor, window, Editor::move_page_down);
267 register_action(editor, window, Editor::next_screen);
268 register_action(editor, window, Editor::scroll_cursor_top);
269 register_action(editor, window, Editor::scroll_cursor_center);
270 register_action(editor, window, Editor::scroll_cursor_bottom);
271 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
272 register_action(editor, window, |editor, _: &LineDown, window, cx| {
273 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
274 });
275 register_action(editor, window, |editor, _: &LineUp, window, cx| {
276 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
277 });
278 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
279 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
280 });
281 register_action(
282 editor,
283 window,
284 |editor, HandleInput(text): &HandleInput, window, cx| {
285 if text.is_empty() {
286 return;
287 }
288 editor.handle_input(text, window, cx);
289 },
290 );
291 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
292 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
293 });
294 register_action(editor, window, |editor, _: &PageDown, window, cx| {
295 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
296 });
297 register_action(editor, window, |editor, _: &PageUp, window, cx| {
298 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
299 });
300 register_action(editor, window, Editor::move_to_previous_word_start);
301 register_action(editor, window, Editor::move_to_previous_subword_start);
302 register_action(editor, window, Editor::move_to_next_word_end);
303 register_action(editor, window, Editor::move_to_next_subword_end);
304 register_action(editor, window, Editor::move_to_beginning_of_line);
305 register_action(editor, window, Editor::move_to_end_of_line);
306 register_action(editor, window, Editor::move_to_start_of_paragraph);
307 register_action(editor, window, Editor::move_to_end_of_paragraph);
308 register_action(editor, window, Editor::move_to_beginning);
309 register_action(editor, window, Editor::move_to_end);
310 register_action(editor, window, Editor::move_to_start_of_excerpt);
311 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
312 register_action(editor, window, Editor::move_to_end_of_excerpt);
313 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
314 register_action(editor, window, Editor::select_up);
315 register_action(editor, window, Editor::select_down);
316 register_action(editor, window, Editor::select_left);
317 register_action(editor, window, Editor::select_right);
318 register_action(editor, window, Editor::select_to_previous_word_start);
319 register_action(editor, window, Editor::select_to_previous_subword_start);
320 register_action(editor, window, Editor::select_to_next_word_end);
321 register_action(editor, window, Editor::select_to_next_subword_end);
322 register_action(editor, window, Editor::select_to_beginning_of_line);
323 register_action(editor, window, Editor::select_to_end_of_line);
324 register_action(editor, window, Editor::select_to_start_of_paragraph);
325 register_action(editor, window, Editor::select_to_end_of_paragraph);
326 register_action(editor, window, Editor::select_to_start_of_excerpt);
327 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
328 register_action(editor, window, Editor::select_to_end_of_excerpt);
329 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
330 register_action(editor, window, Editor::select_to_beginning);
331 register_action(editor, window, Editor::select_to_end);
332 register_action(editor, window, Editor::select_all);
333 register_action(editor, window, |editor, action, window, cx| {
334 editor.select_all_matches(action, window, cx).log_err();
335 });
336 register_action(editor, window, Editor::select_line);
337 register_action(editor, window, Editor::split_selection_into_lines);
338 register_action(editor, window, Editor::add_selection_above);
339 register_action(editor, window, Editor::add_selection_below);
340 register_action(editor, window, |editor, action, window, cx| {
341 editor.select_next(action, window, cx).log_err();
342 });
343 register_action(editor, window, |editor, action, window, cx| {
344 editor.select_previous(action, window, cx).log_err();
345 });
346 register_action(editor, window, |editor, action, window, cx| {
347 editor.find_next_match(action, window, cx).log_err();
348 });
349 register_action(editor, window, |editor, action, window, cx| {
350 editor.find_previous_match(action, window, cx).log_err();
351 });
352 register_action(editor, window, Editor::toggle_comments);
353 register_action(editor, window, Editor::select_larger_syntax_node);
354 register_action(editor, window, Editor::select_smaller_syntax_node);
355 register_action(editor, window, Editor::select_enclosing_symbol);
356 register_action(editor, window, Editor::move_to_enclosing_bracket);
357 register_action(editor, window, Editor::undo_selection);
358 register_action(editor, window, Editor::redo_selection);
359 if !editor.read(cx).is_singleton(cx) {
360 register_action(editor, window, Editor::expand_excerpts);
361 register_action(editor, window, Editor::expand_excerpts_up);
362 register_action(editor, window, Editor::expand_excerpts_down);
363 }
364 register_action(editor, window, Editor::go_to_diagnostic);
365 register_action(editor, window, Editor::go_to_prev_diagnostic);
366 register_action(editor, window, Editor::go_to_next_hunk);
367 register_action(editor, window, Editor::go_to_prev_hunk);
368 register_action(editor, window, |editor, action, window, cx| {
369 editor
370 .go_to_definition(action, window, cx)
371 .detach_and_log_err(cx);
372 });
373 register_action(editor, window, |editor, action, window, cx| {
374 editor
375 .go_to_definition_split(action, window, cx)
376 .detach_and_log_err(cx);
377 });
378 register_action(editor, window, |editor, action, window, cx| {
379 editor
380 .go_to_declaration(action, window, cx)
381 .detach_and_log_err(cx);
382 });
383 register_action(editor, window, |editor, action, window, cx| {
384 editor
385 .go_to_declaration_split(action, window, cx)
386 .detach_and_log_err(cx);
387 });
388 register_action(editor, window, |editor, action, window, cx| {
389 editor
390 .go_to_implementation(action, window, cx)
391 .detach_and_log_err(cx);
392 });
393 register_action(editor, window, |editor, action, window, cx| {
394 editor
395 .go_to_implementation_split(action, window, cx)
396 .detach_and_log_err(cx);
397 });
398 register_action(editor, window, |editor, action, window, cx| {
399 editor
400 .go_to_type_definition(action, window, cx)
401 .detach_and_log_err(cx);
402 });
403 register_action(editor, window, |editor, action, window, cx| {
404 editor
405 .go_to_type_definition_split(action, window, cx)
406 .detach_and_log_err(cx);
407 });
408 register_action(editor, window, Editor::open_url);
409 register_action(editor, window, Editor::open_selected_filename);
410 register_action(editor, window, Editor::fold);
411 register_action(editor, window, Editor::fold_at_level);
412 register_action(editor, window, Editor::fold_all);
413 register_action(editor, window, Editor::fold_function_bodies);
414 register_action(editor, window, Editor::fold_recursive);
415 register_action(editor, window, Editor::toggle_fold);
416 register_action(editor, window, Editor::toggle_fold_recursive);
417 register_action(editor, window, Editor::unfold_lines);
418 register_action(editor, window, Editor::unfold_recursive);
419 register_action(editor, window, Editor::unfold_all);
420 register_action(editor, window, Editor::fold_selected_ranges);
421 register_action(editor, window, Editor::set_mark);
422 register_action(editor, window, Editor::swap_selection_ends);
423 register_action(editor, window, Editor::show_completions);
424 register_action(editor, window, Editor::show_word_completions);
425 register_action(editor, window, Editor::toggle_code_actions);
426 register_action(editor, window, Editor::open_excerpts);
427 register_action(editor, window, Editor::open_excerpts_in_split);
428 register_action(editor, window, Editor::open_proposed_changes_editor);
429 register_action(editor, window, Editor::toggle_soft_wrap);
430 register_action(editor, window, Editor::toggle_tab_bar);
431 register_action(editor, window, Editor::toggle_line_numbers);
432 register_action(editor, window, Editor::toggle_relative_line_numbers);
433 register_action(editor, window, Editor::toggle_indent_guides);
434 register_action(editor, window, Editor::toggle_inlay_hints);
435 register_action(editor, window, Editor::toggle_edit_predictions);
436 if editor.read(cx).diagnostics_enabled() {
437 register_action(editor, window, Editor::toggle_diagnostics);
438 }
439 if editor.read(cx).inline_diagnostics_enabled() {
440 register_action(editor, window, Editor::toggle_inline_diagnostics);
441 }
442 if editor.read(cx).supports_minimap(cx) {
443 register_action(editor, window, Editor::toggle_minimap);
444 }
445 register_action(editor, window, hover_popover::hover);
446 register_action(editor, window, Editor::reveal_in_finder);
447 register_action(editor, window, Editor::copy_path);
448 register_action(editor, window, Editor::copy_relative_path);
449 register_action(editor, window, Editor::copy_file_name);
450 register_action(editor, window, Editor::copy_file_name_without_extension);
451 register_action(editor, window, Editor::copy_highlight_json);
452 register_action(editor, window, Editor::copy_permalink_to_line);
453 register_action(editor, window, Editor::open_permalink_to_line);
454 register_action(editor, window, Editor::copy_file_location);
455 register_action(editor, window, Editor::toggle_git_blame);
456 register_action(editor, window, Editor::toggle_git_blame_inline);
457 register_action(editor, window, Editor::open_git_blame_commit);
458 register_action(editor, window, Editor::toggle_selected_diff_hunks);
459 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
460 register_action(editor, window, Editor::stage_and_next);
461 register_action(editor, window, Editor::unstage_and_next);
462 register_action(editor, window, Editor::expand_all_diff_hunks);
463 register_action(editor, window, Editor::go_to_previous_change);
464 register_action(editor, window, Editor::go_to_next_change);
465
466 register_action(editor, window, |editor, action, window, cx| {
467 if let Some(task) = editor.format(action, window, cx) {
468 task.detach_and_notify_err(window, cx);
469 } else {
470 cx.propagate();
471 }
472 });
473 register_action(editor, window, |editor, action, window, cx| {
474 if let Some(task) = editor.format_selections(action, window, cx) {
475 task.detach_and_notify_err(window, cx);
476 } else {
477 cx.propagate();
478 }
479 });
480 register_action(editor, window, |editor, action, window, cx| {
481 if let Some(task) = editor.organize_imports(action, window, cx) {
482 task.detach_and_notify_err(window, cx);
483 } else {
484 cx.propagate();
485 }
486 });
487 register_action(editor, window, Editor::restart_language_server);
488 register_action(editor, window, Editor::stop_language_server);
489 register_action(editor, window, Editor::show_character_palette);
490 register_action(editor, window, |editor, action, window, cx| {
491 if let Some(task) = editor.confirm_completion(action, window, cx) {
492 task.detach_and_notify_err(window, cx);
493 } else {
494 cx.propagate();
495 }
496 });
497 register_action(editor, window, |editor, action, window, cx| {
498 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
499 task.detach_and_notify_err(window, cx);
500 } else {
501 cx.propagate();
502 }
503 });
504 register_action(editor, window, |editor, action, window, cx| {
505 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
506 task.detach_and_notify_err(window, cx);
507 } else {
508 cx.propagate();
509 }
510 });
511 register_action(editor, window, |editor, action, window, cx| {
512 if let Some(task) = editor.compose_completion(action, window, cx) {
513 task.detach_and_notify_err(window, cx);
514 } else {
515 cx.propagate();
516 }
517 });
518 register_action(editor, window, |editor, action, window, cx| {
519 if let Some(task) = editor.confirm_code_action(action, window, cx) {
520 task.detach_and_notify_err(window, cx);
521 } else {
522 cx.propagate();
523 }
524 });
525 register_action(editor, window, |editor, action, window, cx| {
526 if let Some(task) = editor.rename(action, window, cx) {
527 task.detach_and_notify_err(window, cx);
528 } else {
529 cx.propagate();
530 }
531 });
532 register_action(editor, window, |editor, action, window, cx| {
533 if let Some(task) = editor.confirm_rename(action, window, cx) {
534 task.detach_and_notify_err(window, cx);
535 } else {
536 cx.propagate();
537 }
538 });
539 register_action(editor, window, |editor, action, window, cx| {
540 if let Some(task) = editor.find_all_references(action, window, cx) {
541 task.detach_and_log_err(cx);
542 } else {
543 cx.propagate();
544 }
545 });
546 register_action(editor, window, Editor::show_signature_help);
547 register_action(editor, window, Editor::next_edit_prediction);
548 register_action(editor, window, Editor::previous_edit_prediction);
549 register_action(editor, window, Editor::show_inline_completion);
550 register_action(editor, window, Editor::context_menu_first);
551 register_action(editor, window, Editor::context_menu_prev);
552 register_action(editor, window, Editor::context_menu_next);
553 register_action(editor, window, Editor::context_menu_last);
554 register_action(editor, window, Editor::display_cursor_names);
555 register_action(editor, window, Editor::unique_lines_case_insensitive);
556 register_action(editor, window, Editor::unique_lines_case_sensitive);
557 register_action(editor, window, Editor::accept_partial_inline_completion);
558 register_action(editor, window, Editor::accept_edit_prediction);
559 register_action(editor, window, Editor::restore_file);
560 register_action(editor, window, Editor::git_restore);
561 register_action(editor, window, Editor::apply_all_diff_hunks);
562 register_action(editor, window, Editor::apply_selected_diff_hunks);
563 register_action(editor, window, Editor::open_active_item_in_terminal);
564 register_action(editor, window, Editor::reload_file);
565 register_action(editor, window, Editor::spawn_nearest_task);
566 register_action(editor, window, Editor::insert_uuid_v4);
567 register_action(editor, window, Editor::insert_uuid_v7);
568 register_action(editor, window, Editor::open_selections_in_multibuffer);
569 register_action(editor, window, Editor::toggle_breakpoint);
570 register_action(editor, window, Editor::edit_log_breakpoint);
571 register_action(editor, window, Editor::enable_breakpoint);
572 register_action(editor, window, Editor::disable_breakpoint);
573 }
574
575 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
576 let position_map = layout.position_map.clone();
577 window.on_key_event({
578 let editor = self.editor.clone();
579 move |event: &ModifiersChangedEvent, phase, window, cx| {
580 if phase != DispatchPhase::Bubble {
581 return;
582 }
583 editor.update(cx, |editor, cx| {
584 let inlay_hint_settings = inlay_hint_settings(
585 editor.selections.newest_anchor().head(),
586 &editor.buffer.read(cx).snapshot(cx),
587 cx,
588 );
589
590 if let Some(inlay_modifiers) = inlay_hint_settings
591 .toggle_on_modifiers_press
592 .as_ref()
593 .filter(|modifiers| modifiers.modified())
594 {
595 editor.refresh_inlay_hints(
596 InlayHintRefreshReason::ModifiersChanged(
597 inlay_modifiers == &event.modifiers,
598 ),
599 cx,
600 );
601 }
602
603 if editor.hover_state.focused(window, cx) {
604 return;
605 }
606
607 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
608 })
609 }
610 });
611 }
612
613 fn mouse_left_down(
614 editor: &mut Editor,
615 event: &MouseDownEvent,
616 hovered_hunk: Option<Range<Anchor>>,
617 position_map: &PositionMap,
618 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
619 window: &mut Window,
620 cx: &mut Context<Editor>,
621 ) {
622 if window.default_prevented() {
623 return;
624 }
625
626 let text_hitbox = &position_map.text_hitbox;
627 let gutter_hitbox = &position_map.gutter_hitbox;
628 let point_for_position = position_map.point_for_position(event.position);
629 let mut click_count = event.click_count;
630 let mut modifiers = event.modifiers;
631
632 if let Some(hovered_hunk) = hovered_hunk {
633 editor.toggle_single_diff_hunk(hovered_hunk, cx);
634 cx.notify();
635 return;
636 } else if gutter_hitbox.is_hovered(window) {
637 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
638 } else if !text_hitbox.is_hovered(window) {
639 return;
640 }
641
642 if editor.drag_and_drop_selection_enabled && click_count == 1 {
643 let newest_anchor = editor.selections.newest_anchor();
644 let snapshot = editor.snapshot(window, cx);
645 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
646 if point_for_position.intersects_selection(&selection) {
647 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
648 selection: newest_anchor.clone(),
649 click_position: event.position,
650 mouse_down_time: Instant::now(),
651 };
652 cx.stop_propagation();
653 return;
654 }
655 }
656
657 let is_singleton = editor.buffer().read(cx).is_singleton();
658
659 if click_count == 2 && !is_singleton {
660 match EditorSettings::get_global(cx).double_click_in_multibuffer {
661 DoubleClickInMultibuffer::Select => {
662 // do nothing special on double click, all selection logic is below
663 }
664 DoubleClickInMultibuffer::Open => {
665 if modifiers.alt {
666 // if double click is made with alt, pretend it's a regular double click without opening and alt,
667 // and run the selection logic.
668 modifiers.alt = false;
669 } else {
670 let scroll_position_row =
671 position_map.scroll_pixel_position.y / position_map.line_height;
672 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
673 + position_map.scroll_pixel_position.y)
674 / position_map.line_height)
675 as u32;
676 let multi_buffer_row = position_map
677 .snapshot
678 .display_point_to_point(
679 DisplayPoint::new(DisplayRow(display_row), 0),
680 Bias::Right,
681 )
682 .row;
683 let line_offset_from_top = display_row - scroll_position_row as u32;
684 // if double click is made without alt, open the corresponding excerp
685 editor.open_excerpts_common(
686 Some(JumpData::MultiBufferRow {
687 row: MultiBufferRow(multi_buffer_row),
688 line_offset_from_top,
689 }),
690 false,
691 window,
692 cx,
693 );
694 return;
695 }
696 }
697 }
698 }
699
700 let position = point_for_position.previous_valid;
701 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
702 editor.select(
703 SelectPhase::BeginColumnar {
704 position,
705 reset: match mode {
706 ColumnarMode::FromMouse => true,
707 ColumnarMode::FromSelection => false,
708 },
709 mode: mode,
710 goal_column: point_for_position.exact_unclipped.column(),
711 },
712 window,
713 cx,
714 );
715 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
716 {
717 editor.select(
718 SelectPhase::Extend {
719 position,
720 click_count,
721 },
722 window,
723 cx,
724 );
725 } else {
726 editor.select(
727 SelectPhase::Begin {
728 position,
729 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
730 click_count,
731 },
732 window,
733 cx,
734 );
735 }
736 cx.stop_propagation();
737
738 if !is_singleton {
739 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
740 + position_map.scroll_pixel_position.y)
741 / position_map.line_height) as u32;
742 let multi_buffer_row = position_map
743 .snapshot
744 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
745 .row;
746 if line_numbers
747 .get(&MultiBufferRow(multi_buffer_row))
748 .and_then(|line_number| line_number.hitbox.as_ref())
749 .is_some_and(|hitbox| hitbox.contains(&event.position))
750 {
751 let scroll_position_row =
752 position_map.scroll_pixel_position.y / position_map.line_height;
753 let line_offset_from_top = display_row - scroll_position_row as u32;
754
755 editor.open_excerpts_common(
756 Some(JumpData::MultiBufferRow {
757 row: MultiBufferRow(multi_buffer_row),
758 line_offset_from_top,
759 }),
760 modifiers.alt,
761 window,
762 cx,
763 );
764 cx.stop_propagation();
765 }
766 }
767 }
768
769 fn mouse_right_down(
770 editor: &mut Editor,
771 event: &MouseDownEvent,
772 position_map: &PositionMap,
773 window: &mut Window,
774 cx: &mut Context<Editor>,
775 ) {
776 if position_map.gutter_hitbox.is_hovered(window) {
777 let gutter_right_padding = editor.gutter_dimensions.right_padding;
778 let hitbox = &position_map.gutter_hitbox;
779
780 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
781 let point_for_position = position_map.point_for_position(event.position);
782 editor.set_breakpoint_context_menu(
783 point_for_position.previous_valid.row(),
784 None,
785 event.position,
786 window,
787 cx,
788 );
789 }
790 return;
791 }
792
793 if !position_map.text_hitbox.is_hovered(window) {
794 return;
795 }
796
797 let point_for_position = position_map.point_for_position(event.position);
798 mouse_context_menu::deploy_context_menu(
799 editor,
800 Some(event.position),
801 point_for_position.previous_valid,
802 window,
803 cx,
804 );
805 cx.stop_propagation();
806 }
807
808 fn mouse_middle_down(
809 editor: &mut Editor,
810 event: &MouseDownEvent,
811 position_map: &PositionMap,
812 window: &mut Window,
813 cx: &mut Context<Editor>,
814 ) {
815 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
816 return;
817 }
818
819 let point_for_position = position_map.point_for_position(event.position);
820 let position = point_for_position.previous_valid;
821
822 editor.select(
823 SelectPhase::BeginColumnar {
824 position,
825 reset: true,
826 mode: ColumnarMode::FromMouse,
827 goal_column: point_for_position.exact_unclipped.column(),
828 },
829 window,
830 cx,
831 );
832 }
833
834 fn mouse_up(
835 editor: &mut Editor,
836 event: &MouseUpEvent,
837 position_map: &PositionMap,
838 window: &mut Window,
839 cx: &mut Context<Editor>,
840 ) {
841 let text_hitbox = &position_map.text_hitbox;
842 let end_selection = editor.has_pending_selection();
843 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
844 let point_for_position = position_map.point_for_position(event.position);
845
846 match editor.selection_drag_state {
847 SelectionDragState::ReadyToDrag {
848 selection: _,
849 ref click_position,
850 mouse_down_time: _,
851 } => {
852 if event.position == *click_position {
853 editor.select(
854 SelectPhase::Begin {
855 position: point_for_position.previous_valid,
856 add: false,
857 click_count: 1, // ready to drag state only occurs on click count 1
858 },
859 window,
860 cx,
861 );
862 editor.selection_drag_state = SelectionDragState::None;
863 cx.stop_propagation();
864 return;
865 } else {
866 debug_panic!("drag state can never be in ready state after drag")
867 }
868 }
869 SelectionDragState::Dragging { ref selection, .. } => {
870 let snapshot = editor.snapshot(window, cx);
871 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
872 if !point_for_position.intersects_selection(&selection_display)
873 && text_hitbox.is_hovered(window)
874 {
875 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
876 || cfg!(not(target_os = "macos")) && event.modifiers.control);
877 editor.move_selection_on_drop(
878 &selection.clone(),
879 point_for_position.previous_valid,
880 is_cut,
881 window,
882 cx,
883 );
884 }
885 editor.selection_drag_state = SelectionDragState::None;
886 cx.stop_propagation();
887 cx.notify();
888 return;
889 }
890 _ => {}
891 }
892
893 if end_selection {
894 editor.select(SelectPhase::End, window, cx);
895 }
896
897 if end_selection && pending_nonempty_selections {
898 cx.stop_propagation();
899 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
900 && event.button == MouseButton::Middle
901 {
902 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
903 return;
904 }
905
906 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
907 if EditorSettings::get_global(cx).middle_click_paste {
908 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
909 let point_for_position = position_map.point_for_position(event.position);
910 let position = point_for_position.previous_valid;
911
912 editor.select(
913 SelectPhase::Begin {
914 position,
915 add: false,
916 click_count: 1,
917 },
918 window,
919 cx,
920 );
921 editor.insert(&text, window, cx);
922 }
923 cx.stop_propagation()
924 }
925 }
926 }
927
928 fn click(
929 editor: &mut Editor,
930 event: &ClickEvent,
931 position_map: &PositionMap,
932 window: &mut Window,
933 cx: &mut Context<Editor>,
934 ) {
935 let text_hitbox = &position_map.text_hitbox;
936 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
937
938 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
939
940 if !pending_nonempty_selections && hovered_link_modifier && text_hitbox.is_hovered(window) {
941 let point = position_map.point_for_position(event.up.position);
942 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
943
944 cx.stop_propagation();
945 }
946 }
947
948 fn mouse_dragged(
949 editor: &mut Editor,
950 event: &MouseMoveEvent,
951 position_map: &PositionMap,
952 window: &mut Window,
953 cx: &mut Context<Editor>,
954 ) {
955 if !editor.has_pending_selection()
956 && matches!(editor.selection_drag_state, SelectionDragState::None)
957 {
958 return;
959 }
960
961 let point_for_position = position_map.point_for_position(event.position);
962 let text_hitbox = &position_map.text_hitbox;
963
964 let scroll_delta = {
965 let text_bounds = text_hitbox.bounds;
966 let mut scroll_delta = gpui::Point::<f32>::default();
967 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
968 let top = text_bounds.origin.y + vertical_margin;
969 let bottom = text_bounds.bottom_left().y - vertical_margin;
970 if event.position.y < top {
971 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
972 }
973 if event.position.y > bottom {
974 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
975 }
976
977 // We need horizontal width of text
978 let style = editor.style.clone().unwrap_or_default();
979 let font_id = window.text_system().resolve_font(&style.text.font());
980 let font_size = style.text.font_size.to_pixels(window.rem_size());
981 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
982
983 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
984
985 let scroll_space: Pixels = scroll_margin_x * em_width;
986
987 let left = text_bounds.origin.x + scroll_space;
988 let right = text_bounds.top_right().x - scroll_space;
989
990 if event.position.x < left {
991 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
992 }
993 if event.position.x > right {
994 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
995 }
996 scroll_delta
997 };
998
999 if !editor.has_pending_selection() {
1000 let drop_anchor = position_map
1001 .snapshot
1002 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1003 match editor.selection_drag_state {
1004 SelectionDragState::Dragging {
1005 ref mut drop_cursor,
1006 ref mut hide_drop_cursor,
1007 ..
1008 } => {
1009 drop_cursor.start = drop_anchor;
1010 drop_cursor.end = drop_anchor;
1011 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1012 editor.apply_scroll_delta(scroll_delta, window, cx);
1013 cx.notify();
1014 }
1015 SelectionDragState::ReadyToDrag {
1016 ref selection,
1017 ref click_position,
1018 ref mouse_down_time,
1019 } => {
1020 if mouse_down_time.elapsed() >= SELECTION_DRAG_DELAY {
1021 let drop_cursor = Selection {
1022 id: post_inc(&mut editor.selections.next_selection_id),
1023 start: drop_anchor,
1024 end: drop_anchor,
1025 reversed: false,
1026 goal: SelectionGoal::None,
1027 };
1028 editor.selection_drag_state = SelectionDragState::Dragging {
1029 selection: selection.clone(),
1030 drop_cursor,
1031 hide_drop_cursor: false,
1032 };
1033 editor.apply_scroll_delta(scroll_delta, window, cx);
1034 cx.notify();
1035 } else {
1036 let click_point = position_map.point_for_position(*click_position);
1037 editor.selection_drag_state = SelectionDragState::None;
1038 editor.select(
1039 SelectPhase::Begin {
1040 position: click_point.previous_valid,
1041 add: false,
1042 click_count: 1,
1043 },
1044 window,
1045 cx,
1046 );
1047 editor.select(
1048 SelectPhase::Update {
1049 position: point_for_position.previous_valid,
1050 goal_column: point_for_position.exact_unclipped.column(),
1051 scroll_delta,
1052 },
1053 window,
1054 cx,
1055 );
1056 }
1057 }
1058 _ => {}
1059 }
1060 } else {
1061 editor.select(
1062 SelectPhase::Update {
1063 position: point_for_position.previous_valid,
1064 goal_column: point_for_position.exact_unclipped.column(),
1065 scroll_delta,
1066 },
1067 window,
1068 cx,
1069 );
1070 }
1071 }
1072
1073 fn mouse_moved(
1074 editor: &mut Editor,
1075 event: &MouseMoveEvent,
1076 position_map: &PositionMap,
1077 window: &mut Window,
1078 cx: &mut Context<Editor>,
1079 ) {
1080 let text_hitbox = &position_map.text_hitbox;
1081 let gutter_hitbox = &position_map.gutter_hitbox;
1082 let modifiers = event.modifiers;
1083 let text_hovered = text_hitbox.is_hovered(window);
1084 let gutter_hovered = gutter_hitbox.is_hovered(window);
1085 editor.set_gutter_hovered(gutter_hovered, cx);
1086 editor.show_mouse_cursor(cx);
1087
1088 let point_for_position = position_map.point_for_position(event.position);
1089 let valid_point = point_for_position.previous_valid;
1090
1091 let hovered_diff_control = position_map
1092 .diff_hunk_control_bounds
1093 .iter()
1094 .find(|(_, bounds)| bounds.contains(&event.position))
1095 .map(|(row, _)| *row);
1096
1097 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1098 Some(control_row)
1099 } else {
1100 if text_hovered {
1101 let current_row = valid_point.row();
1102 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1103 if let DisplayDiffHunk::Unfolded {
1104 display_row_range, ..
1105 } = hunk
1106 {
1107 if display_row_range.contains(¤t_row) {
1108 Some(display_row_range.start)
1109 } else {
1110 None
1111 }
1112 } else {
1113 None
1114 }
1115 })
1116 } else {
1117 None
1118 }
1119 };
1120
1121 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1122 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1123 cx.notify();
1124 }
1125
1126 if let Some((bounds, blame_entry)) = &position_map.inline_blame_bounds {
1127 let mouse_over_inline_blame = bounds.contains(&event.position);
1128 let mouse_over_popover = editor
1129 .inline_blame_popover
1130 .as_ref()
1131 .and_then(|state| state.popover_bounds)
1132 .map_or(false, |bounds| bounds.contains(&event.position));
1133
1134 if mouse_over_inline_blame || mouse_over_popover {
1135 editor.show_blame_popover(&blame_entry, event.position, cx);
1136 } else {
1137 editor.hide_blame_popover(cx);
1138 }
1139 } else {
1140 editor.hide_blame_popover(cx);
1141 }
1142
1143 let breakpoint_indicator = if gutter_hovered {
1144 let buffer_anchor = position_map
1145 .snapshot
1146 .display_point_to_anchor(valid_point, Bias::Left);
1147
1148 if let Some((buffer_snapshot, file)) = position_map
1149 .snapshot
1150 .buffer_snapshot
1151 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1152 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1153 {
1154 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1155
1156 let is_visible = editor
1157 .gutter_breakpoint_indicator
1158 .0
1159 .map_or(false, |indicator| indicator.is_active);
1160
1161 let has_existing_breakpoint =
1162 editor.breakpoint_store.as_ref().map_or(false, |store| {
1163 let Some(project) = &editor.project else {
1164 return false;
1165 };
1166 let Some(abs_path) = project.read(cx).absolute_path(
1167 &ProjectPath {
1168 path: file.path().clone(),
1169 worktree_id: file.worktree_id(cx),
1170 },
1171 cx,
1172 ) else {
1173 return false;
1174 };
1175 store
1176 .read(cx)
1177 .breakpoint_at_row(&abs_path, as_point.row, cx)
1178 .is_some()
1179 });
1180
1181 if !is_visible {
1182 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1183 cx.spawn(async move |this, cx| {
1184 cx.background_executor()
1185 .timer(Duration::from_millis(200))
1186 .await;
1187
1188 this.update(cx, |this, cx| {
1189 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1190 {
1191 indicator.is_active = true;
1192 cx.notify();
1193 }
1194 })
1195 .ok();
1196 })
1197 });
1198 }
1199
1200 Some(PhantomBreakpointIndicator {
1201 display_row: valid_point.row(),
1202 is_active: is_visible,
1203 collides_with_existing_breakpoint: has_existing_breakpoint,
1204 })
1205 } else {
1206 editor.gutter_breakpoint_indicator.1 = None;
1207 None
1208 }
1209 } else {
1210 editor.gutter_breakpoint_indicator.1 = None;
1211 None
1212 };
1213
1214 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1215 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1216 cx.notify();
1217 }
1218
1219 // Don't trigger hover popover if mouse is hovering over context menu
1220 if text_hovered {
1221 editor.update_hovered_link(
1222 point_for_position,
1223 &position_map.snapshot,
1224 modifiers,
1225 window,
1226 cx,
1227 );
1228
1229 if let Some(point) = point_for_position.as_valid() {
1230 let anchor = position_map
1231 .snapshot
1232 .buffer_snapshot
1233 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1234 hover_at(editor, Some(anchor), window, cx);
1235 Self::update_visible_cursor(editor, point, position_map, window, cx);
1236 } else {
1237 hover_at(editor, None, window, cx);
1238 }
1239 } else {
1240 editor.hide_hovered_link(cx);
1241 hover_at(editor, None, window, cx);
1242 }
1243 }
1244
1245 fn update_visible_cursor(
1246 editor: &mut Editor,
1247 point: DisplayPoint,
1248 position_map: &PositionMap,
1249 window: &mut Window,
1250 cx: &mut Context<Editor>,
1251 ) {
1252 let snapshot = &position_map.snapshot;
1253 let Some(hub) = editor.collaboration_hub() else {
1254 return;
1255 };
1256 let start = snapshot.display_snapshot.clip_point(
1257 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1258 Bias::Left,
1259 );
1260 let end = snapshot.display_snapshot.clip_point(
1261 DisplayPoint::new(
1262 point.row(),
1263 (point.column() + 1).min(snapshot.line_len(point.row())),
1264 ),
1265 Bias::Right,
1266 );
1267
1268 let range = snapshot
1269 .buffer_snapshot
1270 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1271 ..snapshot
1272 .buffer_snapshot
1273 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1274
1275 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1276 return;
1277 };
1278 let key = crate::HoveredCursor {
1279 replica_id: selection.replica_id,
1280 selection_id: selection.selection.id,
1281 };
1282 editor.hovered_cursors.insert(
1283 key.clone(),
1284 cx.spawn_in(window, async move |editor, cx| {
1285 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1286 editor
1287 .update(cx, |editor, cx| {
1288 editor.hovered_cursors.remove(&key);
1289 cx.notify();
1290 })
1291 .ok();
1292 }),
1293 );
1294 cx.notify()
1295 }
1296
1297 fn layout_selections(
1298 &self,
1299 start_anchor: Anchor,
1300 end_anchor: Anchor,
1301 local_selections: &[Selection<Point>],
1302 snapshot: &EditorSnapshot,
1303 start_row: DisplayRow,
1304 end_row: DisplayRow,
1305 window: &mut Window,
1306 cx: &mut App,
1307 ) -> (
1308 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1309 BTreeMap<DisplayRow, LineHighlightSpec>,
1310 Option<DisplayPoint>,
1311 ) {
1312 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1313 let mut active_rows = BTreeMap::new();
1314 let mut newest_selection_head = None;
1315
1316 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1317 return (selections, active_rows, newest_selection_head);
1318 };
1319
1320 editor_with_selections.update(cx, |editor, cx| {
1321 if editor.show_local_selections {
1322 let mut layouts = Vec::new();
1323 let newest = editor.selections.newest(cx);
1324 for selection in local_selections.iter().cloned() {
1325 let is_empty = selection.start == selection.end;
1326 let is_newest = selection == newest;
1327
1328 let layout = SelectionLayout::new(
1329 selection,
1330 editor.selections.line_mode,
1331 editor.cursor_shape,
1332 &snapshot.display_snapshot,
1333 is_newest,
1334 editor.leader_id.is_none(),
1335 None,
1336 );
1337 if is_newest {
1338 newest_selection_head = Some(layout.head);
1339 }
1340
1341 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1342 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1343 {
1344 let contains_non_empty_selection = active_rows
1345 .entry(DisplayRow(row))
1346 .or_insert_with(LineHighlightSpec::default);
1347 contains_non_empty_selection.selection |= !is_empty;
1348 }
1349 layouts.push(layout);
1350 }
1351
1352 let player = editor.current_user_player_color(cx);
1353 selections.push((player, layouts));
1354
1355 if let SelectionDragState::Dragging {
1356 ref selection,
1357 ref drop_cursor,
1358 ref hide_drop_cursor,
1359 } = editor.selection_drag_state
1360 {
1361 if !hide_drop_cursor
1362 && (drop_cursor
1363 .start
1364 .cmp(&selection.start, &snapshot.buffer_snapshot)
1365 .eq(&Ordering::Less)
1366 || drop_cursor
1367 .end
1368 .cmp(&selection.end, &snapshot.buffer_snapshot)
1369 .eq(&Ordering::Greater))
1370 {
1371 let drag_cursor_layout = SelectionLayout::new(
1372 drop_cursor.clone(),
1373 false,
1374 CursorShape::Bar,
1375 &snapshot.display_snapshot,
1376 false,
1377 false,
1378 None,
1379 );
1380 let absent_color = cx.theme().players().absent();
1381 selections.push((absent_color, vec![drag_cursor_layout]));
1382 }
1383 }
1384 }
1385
1386 if let Some(collaboration_hub) = &editor.collaboration_hub {
1387 // When following someone, render the local selections in their color.
1388 if let Some(leader_id) = editor.leader_id {
1389 match leader_id {
1390 CollaboratorId::PeerId(peer_id) => {
1391 if let Some(collaborator) =
1392 collaboration_hub.collaborators(cx).get(&peer_id)
1393 {
1394 if let Some(participant_index) = collaboration_hub
1395 .user_participant_indices(cx)
1396 .get(&collaborator.user_id)
1397 {
1398 if let Some((local_selection_style, _)) = selections.first_mut()
1399 {
1400 *local_selection_style = cx
1401 .theme()
1402 .players()
1403 .color_for_participant(participant_index.0);
1404 }
1405 }
1406 }
1407 }
1408 CollaboratorId::Agent => {
1409 if let Some((local_selection_style, _)) = selections.first_mut() {
1410 *local_selection_style = cx.theme().players().agent();
1411 }
1412 }
1413 }
1414 }
1415
1416 let mut remote_selections = HashMap::default();
1417 for selection in snapshot.remote_selections_in_range(
1418 &(start_anchor..end_anchor),
1419 collaboration_hub.as_ref(),
1420 cx,
1421 ) {
1422 // Don't re-render the leader's selections, since the local selections
1423 // match theirs.
1424 if Some(selection.collaborator_id) == editor.leader_id {
1425 continue;
1426 }
1427 let key = HoveredCursor {
1428 replica_id: selection.replica_id,
1429 selection_id: selection.selection.id,
1430 };
1431
1432 let is_shown =
1433 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1434
1435 remote_selections
1436 .entry(selection.replica_id)
1437 .or_insert((selection.color, Vec::new()))
1438 .1
1439 .push(SelectionLayout::new(
1440 selection.selection,
1441 selection.line_mode,
1442 selection.cursor_shape,
1443 &snapshot.display_snapshot,
1444 false,
1445 false,
1446 if is_shown { selection.user_name } else { None },
1447 ));
1448 }
1449
1450 selections.extend(remote_selections.into_values());
1451 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1452 let layouts = snapshot
1453 .buffer_snapshot
1454 .selections_in_range(&(start_anchor..end_anchor), true)
1455 .map(move |(_, line_mode, cursor_shape, selection)| {
1456 SelectionLayout::new(
1457 selection,
1458 line_mode,
1459 cursor_shape,
1460 &snapshot.display_snapshot,
1461 false,
1462 false,
1463 None,
1464 )
1465 })
1466 .collect::<Vec<_>>();
1467 let player = editor.current_user_player_color(cx);
1468 selections.push((player, layouts));
1469 }
1470 });
1471 (selections, active_rows, newest_selection_head)
1472 }
1473
1474 fn collect_cursors(
1475 &self,
1476 snapshot: &EditorSnapshot,
1477 cx: &mut App,
1478 ) -> Vec<(DisplayPoint, Hsla)> {
1479 let editor = self.editor.read(cx);
1480 let mut cursors = Vec::new();
1481 let mut skip_local = false;
1482 let mut add_cursor = |anchor: Anchor, color| {
1483 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1484 };
1485 // Remote cursors
1486 if let Some(collaboration_hub) = &editor.collaboration_hub {
1487 for remote_selection in snapshot.remote_selections_in_range(
1488 &(Anchor::min()..Anchor::max()),
1489 collaboration_hub.deref(),
1490 cx,
1491 ) {
1492 add_cursor(
1493 remote_selection.selection.head(),
1494 remote_selection.color.cursor,
1495 );
1496 if Some(remote_selection.collaborator_id) == editor.leader_id {
1497 skip_local = true;
1498 }
1499 }
1500 }
1501 // Local cursors
1502 if !skip_local {
1503 let color = cx.theme().players().local().cursor;
1504 editor.selections.disjoint.iter().for_each(|selection| {
1505 add_cursor(selection.head(), color);
1506 });
1507 if let Some(ref selection) = editor.selections.pending_anchor() {
1508 add_cursor(selection.head(), color);
1509 }
1510 }
1511 cursors
1512 }
1513
1514 fn layout_visible_cursors(
1515 &self,
1516 snapshot: &EditorSnapshot,
1517 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1518 row_block_types: &HashMap<DisplayRow, bool>,
1519 visible_display_row_range: Range<DisplayRow>,
1520 line_layouts: &[LineWithInvisibles],
1521 text_hitbox: &Hitbox,
1522 content_origin: gpui::Point<Pixels>,
1523 scroll_position: gpui::Point<f32>,
1524 scroll_pixel_position: gpui::Point<Pixels>,
1525 line_height: Pixels,
1526 em_width: Pixels,
1527 em_advance: Pixels,
1528 autoscroll_containing_element: bool,
1529 window: &mut Window,
1530 cx: &mut App,
1531 ) -> Vec<CursorLayout> {
1532 let mut autoscroll_bounds = None;
1533 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1534 let mut cursors = Vec::new();
1535
1536 let show_local_cursors = editor.show_local_cursors(window, cx);
1537
1538 for (player_color, selections) in selections {
1539 for selection in selections {
1540 let cursor_position = selection.head;
1541
1542 let in_range = visible_display_row_range.contains(&cursor_position.row());
1543 if (selection.is_local && !show_local_cursors)
1544 || !in_range
1545 || row_block_types.get(&cursor_position.row()) == Some(&true)
1546 {
1547 continue;
1548 }
1549
1550 let cursor_row_layout = &line_layouts
1551 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1552 let cursor_column = cursor_position.column() as usize;
1553
1554 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1555 let mut block_width =
1556 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1557 if block_width == Pixels::ZERO {
1558 block_width = em_advance;
1559 }
1560 let block_text = if let CursorShape::Block = selection.cursor_shape {
1561 snapshot
1562 .grapheme_at(cursor_position)
1563 .or_else(|| {
1564 if snapshot.is_empty() {
1565 snapshot.placeholder_text().and_then(|s| {
1566 s.graphemes(true).next().map(|s| s.to_string().into())
1567 })
1568 } else {
1569 None
1570 }
1571 })
1572 .map(|text| {
1573 let len = text.len();
1574
1575 let font = cursor_row_layout
1576 .font_id_for_index(cursor_column)
1577 .and_then(|cursor_font_id| {
1578 window.text_system().get_font_for_id(cursor_font_id)
1579 })
1580 .unwrap_or(self.style.text.font());
1581
1582 // Invert the text color for the block cursor. Ensure that the text
1583 // color is opaque enough to be visible against the background color.
1584 //
1585 // 0.75 is an arbitrary threshold to determine if the background color is
1586 // opaque enough to use as a text color.
1587 //
1588 // TODO: In the future we should ensure themes have a `text_inverse` color.
1589 let color = if cx.theme().colors().editor_background.a < 0.75 {
1590 match cx.theme().appearance {
1591 Appearance::Dark => Hsla::black(),
1592 Appearance::Light => Hsla::white(),
1593 }
1594 } else {
1595 cx.theme().colors().editor_background
1596 };
1597
1598 window.text_system().shape_line(
1599 text,
1600 cursor_row_layout.font_size,
1601 &[TextRun {
1602 len,
1603 font,
1604 color,
1605 background_color: None,
1606 strikethrough: None,
1607 underline: None,
1608 }],
1609 )
1610 })
1611 } else {
1612 None
1613 };
1614
1615 let x = cursor_character_x - scroll_pixel_position.x;
1616 let y = (cursor_position.row().as_f32()
1617 - scroll_pixel_position.y / line_height)
1618 * line_height;
1619 if selection.is_newest {
1620 editor.pixel_position_of_newest_cursor = Some(point(
1621 text_hitbox.origin.x + x + block_width / 2.,
1622 text_hitbox.origin.y + y + line_height / 2.,
1623 ));
1624
1625 if autoscroll_containing_element {
1626 let top = text_hitbox.origin.y
1627 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1628 * line_height;
1629 let left = text_hitbox.origin.x
1630 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1631 .max(0.)
1632 * em_width;
1633
1634 let bottom = text_hitbox.origin.y
1635 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1636 * line_height;
1637 let right = text_hitbox.origin.x
1638 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1639 * em_width;
1640
1641 autoscroll_bounds =
1642 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1643 }
1644 }
1645
1646 let mut cursor = CursorLayout {
1647 color: player_color.cursor,
1648 block_width,
1649 origin: point(x, y),
1650 line_height,
1651 shape: selection.cursor_shape,
1652 block_text,
1653 cursor_name: None,
1654 };
1655 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1656 string: name,
1657 color: self.style.background,
1658 is_top_row: cursor_position.row().0 == 0,
1659 });
1660 cursor.layout(content_origin, cursor_name, window, cx);
1661 cursors.push(cursor);
1662 }
1663 }
1664
1665 cursors
1666 });
1667
1668 if let Some(bounds) = autoscroll_bounds {
1669 window.request_autoscroll(bounds);
1670 }
1671
1672 cursor_layouts
1673 }
1674
1675 fn layout_scrollbars(
1676 &self,
1677 snapshot: &EditorSnapshot,
1678 scrollbar_layout_information: &ScrollbarLayoutInformation,
1679 content_offset: gpui::Point<Pixels>,
1680 scroll_position: gpui::Point<f32>,
1681 non_visible_cursors: bool,
1682 right_margin: Pixels,
1683 editor_width: Pixels,
1684 window: &mut Window,
1685 cx: &mut App,
1686 ) -> Option<EditorScrollbars> {
1687 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1688 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1689 || self.style.scrollbar_width.is_zero()
1690 {
1691 return None;
1692 }
1693
1694 // If a drag took place after we started dragging the scrollbar,
1695 // cancel the scrollbar drag.
1696 if cx.has_active_drag() {
1697 self.editor.update(cx, |editor, cx| {
1698 editor.scroll_manager.reset_scrollbar_state(cx)
1699 });
1700 }
1701
1702 let editor_settings = EditorSettings::get_global(cx);
1703 let scrollbar_settings = editor_settings.scrollbar;
1704 let show_scrollbars = match scrollbar_settings.show {
1705 ShowScrollbar::Auto => {
1706 let editor = self.editor.read(cx);
1707 let is_singleton = editor.is_singleton(cx);
1708 // Git
1709 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1710 ||
1711 // Buffer Search Results
1712 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1713 ||
1714 // Selected Text Occurrences
1715 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1716 ||
1717 // Selected Symbol Occurrences
1718 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1719 ||
1720 // Diagnostics
1721 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1722 ||
1723 // Cursors out of sight
1724 non_visible_cursors
1725 ||
1726 // Scrollmanager
1727 editor.scroll_manager.scrollbars_visible()
1728 }
1729 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1730 ShowScrollbar::Always => true,
1731 ShowScrollbar::Never => return None,
1732 };
1733
1734 // The horizontal scrollbar is usually slightly offset to align nicely with
1735 // indent guides. However, this offset is not needed if indent guides are
1736 // disabled for the current editor.
1737 let content_offset = self
1738 .editor
1739 .read(cx)
1740 .show_indent_guides
1741 .is_none_or(|should_show| should_show)
1742 .then_some(content_offset)
1743 .unwrap_or_default();
1744
1745 Some(EditorScrollbars::from_scrollbar_axes(
1746 ScrollbarAxes {
1747 horizontal: scrollbar_settings.axes.horizontal
1748 && self.editor.read(cx).show_scrollbars.horizontal,
1749 vertical: scrollbar_settings.axes.vertical
1750 && self.editor.read(cx).show_scrollbars.vertical,
1751 },
1752 scrollbar_layout_information,
1753 content_offset,
1754 scroll_position,
1755 self.style.scrollbar_width,
1756 right_margin,
1757 editor_width,
1758 show_scrollbars,
1759 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1760 window,
1761 ))
1762 }
1763
1764 fn layout_minimap(
1765 &self,
1766 snapshot: &EditorSnapshot,
1767 minimap_width: Pixels,
1768 scroll_position: gpui::Point<f32>,
1769 scrollbar_layout_information: &ScrollbarLayoutInformation,
1770 scrollbar_layout: Option<&EditorScrollbars>,
1771 window: &mut Window,
1772 cx: &mut App,
1773 ) -> Option<MinimapLayout> {
1774 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1775
1776 let minimap_settings = EditorSettings::get_global(cx).minimap;
1777
1778 if minimap_settings.on_active_editor() {
1779 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1780 ws.read(cx)
1781 .active_pane()
1782 .read(cx)
1783 .active_item()
1784 .and_then(|i| i.act_as::<Editor>(cx))
1785 });
1786 if active_editor.is_some_and(|e| e != self.editor) {
1787 return None;
1788 }
1789 }
1790
1791 if !snapshot.mode.is_full()
1792 || minimap_width.is_zero()
1793 || matches!(
1794 minimap_settings.show,
1795 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1796 )
1797 {
1798 return None;
1799 }
1800
1801 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1802
1803 let ScrollbarLayoutInformation {
1804 editor_bounds,
1805 scroll_range,
1806 glyph_grid_cell,
1807 } = scrollbar_layout_information;
1808
1809 let line_height = glyph_grid_cell.height;
1810 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1811
1812 let top_right_anchor = scrollbar_layout
1813 .and_then(|layout| layout.vertical.as_ref())
1814 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1815 .unwrap_or_else(|| editor_bounds.top_right());
1816
1817 let thumb_state = self
1818 .editor
1819 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1820
1821 let show_thumb = match minimap_settings.thumb {
1822 MinimapThumb::Always => true,
1823 MinimapThumb::Hover => thumb_state.is_some(),
1824 };
1825
1826 let minimap_bounds = Bounds::from_corner_and_size(
1827 Corner::TopRight,
1828 top_right_anchor,
1829 size(minimap_width, editor_bounds.size.height),
1830 );
1831 let minimap_line_height = self.get_minimap_line_height(
1832 minimap_editor
1833 .read(cx)
1834 .text_style_refinement
1835 .as_ref()
1836 .and_then(|refinement| refinement.font_size)
1837 .unwrap_or(MINIMAP_FONT_SIZE),
1838 window,
1839 cx,
1840 );
1841 let minimap_height = minimap_bounds.size.height;
1842
1843 let visible_editor_lines = editor_bounds.size.height / line_height;
1844 let total_editor_lines = scroll_range.height / line_height;
1845 let minimap_lines = minimap_height / minimap_line_height;
1846
1847 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1848 total_editor_lines,
1849 visible_editor_lines,
1850 minimap_lines,
1851 scroll_position,
1852 );
1853
1854 let layout = ScrollbarLayout::for_minimap(
1855 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1856 visible_editor_lines,
1857 total_editor_lines,
1858 minimap_line_height,
1859 scroll_position,
1860 minimap_scroll_top,
1861 show_thumb,
1862 )
1863 .with_thumb_state(thumb_state);
1864
1865 minimap_editor.update(cx, |editor, cx| {
1866 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1867 });
1868
1869 // Required for the drop shadow to be visible
1870 const PADDING_OFFSET: Pixels = px(4.);
1871
1872 let mut minimap = div()
1873 .size_full()
1874 .shadow_sm()
1875 .px(PADDING_OFFSET)
1876 .child(minimap_editor)
1877 .into_any_element();
1878
1879 let extended_bounds = minimap_bounds.extend(Edges {
1880 right: PADDING_OFFSET,
1881 left: PADDING_OFFSET,
1882 ..Default::default()
1883 });
1884 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1885 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1886 minimap.prepaint(window, cx)
1887 });
1888
1889 Some(MinimapLayout {
1890 minimap,
1891 thumb_layout: layout,
1892 thumb_border_style: minimap_settings.thumb_border,
1893 minimap_line_height,
1894 minimap_scroll_top,
1895 max_scroll_top: total_editor_lines,
1896 })
1897 }
1898
1899 fn get_minimap_line_height(
1900 &self,
1901 font_size: AbsoluteLength,
1902 window: &mut Window,
1903 cx: &mut App,
1904 ) -> Pixels {
1905 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1906 let mut text_style = self.style.text.clone();
1907 text_style.font_size = font_size;
1908 text_style.line_height_in_pixels(rem_size)
1909 }
1910
1911 fn get_minimap_width(
1912 &self,
1913 minimap_settings: &Minimap,
1914 scrollbars_shown: bool,
1915 text_width: Pixels,
1916 em_width: Pixels,
1917 font_size: Pixels,
1918 rem_size: Pixels,
1919 cx: &App,
1920 ) -> Option<Pixels> {
1921 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1922 return None;
1923 }
1924
1925 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1926 editor.minimap().map(|minimap_editor| {
1927 minimap_editor
1928 .read(cx)
1929 .text_style_refinement
1930 .as_ref()
1931 .and_then(|refinement| refinement.font_size)
1932 .unwrap_or(MINIMAP_FONT_SIZE)
1933 })
1934 })?;
1935
1936 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1937
1938 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1939 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1940
1941 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1942 .then_some(minimap_width)
1943 }
1944
1945 fn prepaint_crease_toggles(
1946 &self,
1947 crease_toggles: &mut [Option<AnyElement>],
1948 line_height: Pixels,
1949 gutter_dimensions: &GutterDimensions,
1950 gutter_settings: crate::editor_settings::Gutter,
1951 scroll_pixel_position: gpui::Point<Pixels>,
1952 gutter_hitbox: &Hitbox,
1953 window: &mut Window,
1954 cx: &mut App,
1955 ) {
1956 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1957 if let Some(crease_toggle) = crease_toggle {
1958 debug_assert!(gutter_settings.folds);
1959 let available_space = size(
1960 AvailableSpace::MinContent,
1961 AvailableSpace::Definite(line_height * 0.55),
1962 );
1963 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1964
1965 let position = point(
1966 gutter_dimensions.width - gutter_dimensions.right_padding,
1967 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
1968 );
1969 let centering_offset = point(
1970 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
1971 (line_height - crease_toggle_size.height) / 2.,
1972 );
1973 let origin = gutter_hitbox.origin + position + centering_offset;
1974 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
1975 }
1976 }
1977 }
1978
1979 fn prepaint_expand_toggles(
1980 &self,
1981 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
1982 window: &mut Window,
1983 cx: &mut App,
1984 ) {
1985 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
1986 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
1987 expand_toggle.layout_as_root(available_space, window, cx);
1988 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
1989 }
1990 }
1991
1992 fn prepaint_crease_trailers(
1993 &self,
1994 trailers: Vec<Option<AnyElement>>,
1995 lines: &[LineWithInvisibles],
1996 line_height: Pixels,
1997 content_origin: gpui::Point<Pixels>,
1998 scroll_pixel_position: gpui::Point<Pixels>,
1999 em_width: Pixels,
2000 window: &mut Window,
2001 cx: &mut App,
2002 ) -> Vec<Option<CreaseTrailerLayout>> {
2003 trailers
2004 .into_iter()
2005 .enumerate()
2006 .map(|(ix, element)| {
2007 let mut element = element?;
2008 let available_space = size(
2009 AvailableSpace::MinContent,
2010 AvailableSpace::Definite(line_height),
2011 );
2012 let size = element.layout_as_root(available_space, window, cx);
2013
2014 let line = &lines[ix];
2015 let padding = if line.width == Pixels::ZERO {
2016 Pixels::ZERO
2017 } else {
2018 4. * em_width
2019 };
2020 let position = point(
2021 scroll_pixel_position.x + line.width + padding,
2022 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2023 );
2024 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2025 let origin = content_origin + position + centering_offset;
2026 element.prepaint_as_root(origin, available_space, window, cx);
2027 Some(CreaseTrailerLayout {
2028 element,
2029 bounds: Bounds::new(origin, size),
2030 })
2031 })
2032 .collect()
2033 }
2034
2035 // Folds contained in a hunk are ignored apart from shrinking visual size
2036 // If a fold contains any hunks then that fold line is marked as modified
2037 fn layout_gutter_diff_hunks(
2038 &self,
2039 line_height: Pixels,
2040 gutter_hitbox: &Hitbox,
2041 display_rows: Range<DisplayRow>,
2042 snapshot: &EditorSnapshot,
2043 window: &mut Window,
2044 cx: &mut App,
2045 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2046 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2047 let mut display_hunks = snapshot
2048 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2049 .map(|hunk| (hunk, None))
2050 .collect::<Vec<_>>();
2051 let git_gutter_setting = ProjectSettings::get_global(cx)
2052 .git
2053 .git_gutter
2054 .unwrap_or_default();
2055 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2056 for (hunk, hitbox) in &mut display_hunks {
2057 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2058 let hunk_bounds =
2059 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2060 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2061 }
2062 }
2063 }
2064
2065 display_hunks
2066 }
2067
2068 fn layout_inline_diagnostics(
2069 &self,
2070 line_layouts: &[LineWithInvisibles],
2071 crease_trailers: &[Option<CreaseTrailerLayout>],
2072 row_block_types: &HashMap<DisplayRow, bool>,
2073 content_origin: gpui::Point<Pixels>,
2074 scroll_pixel_position: gpui::Point<Pixels>,
2075 inline_completion_popover_origin: Option<gpui::Point<Pixels>>,
2076 start_row: DisplayRow,
2077 end_row: DisplayRow,
2078 line_height: Pixels,
2079 em_width: Pixels,
2080 style: &EditorStyle,
2081 window: &mut Window,
2082 cx: &mut App,
2083 ) -> HashMap<DisplayRow, AnyElement> {
2084 if self.editor.read(cx).mode().is_minimap() {
2085 return HashMap::default();
2086 }
2087
2088 let max_severity = match ProjectSettings::get_global(cx)
2089 .diagnostics
2090 .inline
2091 .max_severity
2092 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2093 .into_lsp()
2094 {
2095 Some(max_severity) => max_severity,
2096 None => return HashMap::default(),
2097 };
2098
2099 let active_diagnostics_group =
2100 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2101 Some(group.group_id)
2102 } else {
2103 None
2104 };
2105
2106 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2107 let snapshot = editor.snapshot(window, cx);
2108 editor
2109 .inline_diagnostics
2110 .iter()
2111 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2112 .filter(|(_, diagnostic)| match active_diagnostics_group {
2113 Some(active_diagnostics_group) => {
2114 // Active diagnostics are all shown in the editor already, no need to display them inline
2115 diagnostic.group_id != active_diagnostics_group
2116 }
2117 None => true,
2118 })
2119 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2120 .skip_while(|(point, _)| point.row() < start_row)
2121 .take_while(|(point, _)| point.row() < end_row)
2122 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2123 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2124 acc.entry(point.row())
2125 .or_insert_with(Vec::new)
2126 .push(diagnostic);
2127 acc
2128 })
2129 });
2130
2131 if diagnostics_by_rows.is_empty() {
2132 return HashMap::default();
2133 }
2134
2135 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2136 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2137 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2138 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2139 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2140 _ => Color::Error,
2141 };
2142
2143 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2144 let min_x = ProjectSettings::get_global(cx)
2145 .diagnostics
2146 .inline
2147 .min_column as f32
2148 * em_width;
2149
2150 let mut elements = HashMap::default();
2151 for (row, mut diagnostics) in diagnostics_by_rows {
2152 diagnostics.sort_by_key(|diagnostic| {
2153 (
2154 diagnostic.severity,
2155 std::cmp::Reverse(diagnostic.is_primary),
2156 diagnostic.start.row,
2157 diagnostic.start.column,
2158 )
2159 });
2160
2161 let Some(diagnostic_to_render) = diagnostics
2162 .iter()
2163 .find(|diagnostic| diagnostic.is_primary)
2164 .or_else(|| diagnostics.first())
2165 else {
2166 continue;
2167 };
2168
2169 let pos_y = content_origin.y
2170 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2171
2172 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2173 let pos_x = {
2174 let crease_trailer_layout = &crease_trailers[window_ix];
2175 let line_layout = &line_layouts[window_ix];
2176
2177 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2178 crease_trailer.bounds.right()
2179 } else {
2180 content_origin.x - scroll_pixel_position.x + line_layout.width
2181 };
2182
2183 let padded_line = line_end + padding;
2184 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2185
2186 cmp::max(padded_line, min_start)
2187 };
2188
2189 let behind_inline_completion_popover = inline_completion_popover_origin
2190 .as_ref()
2191 .map_or(false, |inline_completion_popover_origin| {
2192 (pos_y..pos_y + line_height).contains(&inline_completion_popover_origin.y)
2193 });
2194 let opacity = if behind_inline_completion_popover {
2195 0.5
2196 } else {
2197 1.0
2198 };
2199
2200 let mut element = h_flex()
2201 .id(("diagnostic", row.0))
2202 .h(line_height)
2203 .w_full()
2204 .px_1()
2205 .rounded_xs()
2206 .opacity(opacity)
2207 .bg(severity_to_color(&diagnostic_to_render.severity)
2208 .color(cx)
2209 .opacity(0.05))
2210 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2211 .text_sm()
2212 .font_family(style.text.font().family)
2213 .child(diagnostic_to_render.message.clone())
2214 .into_any();
2215
2216 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2217
2218 elements.insert(row, element);
2219 }
2220
2221 elements
2222 }
2223
2224 fn layout_inline_code_actions(
2225 &self,
2226 display_point: DisplayPoint,
2227 content_origin: gpui::Point<Pixels>,
2228 scroll_pixel_position: gpui::Point<Pixels>,
2229 line_height: Pixels,
2230 snapshot: &EditorSnapshot,
2231 window: &mut Window,
2232 cx: &mut App,
2233 ) -> Option<AnyElement> {
2234 if !snapshot
2235 .show_code_actions
2236 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2237 {
2238 return None;
2239 }
2240
2241 let icon_size = ui::IconSize::XSmall;
2242 let mut button = self.editor.update(cx, |editor, cx| {
2243 editor.available_code_actions.as_ref()?;
2244 let active = editor
2245 .context_menu
2246 .borrow()
2247 .as_ref()
2248 .and_then(|menu| {
2249 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2250 deployed_from,
2251 ..
2252 }) = menu
2253 {
2254 deployed_from.as_ref()
2255 } else {
2256 None
2257 }
2258 })
2259 .map_or(false, |source| {
2260 matches!(source, CodeActionSource::Indicator(..))
2261 });
2262 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2263 })?;
2264
2265 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2266
2267 // do not show code action for folded line
2268 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2269 return None;
2270 }
2271
2272 // do not show code action for blank line with cursor
2273 let line_indent = snapshot
2274 .display_snapshot
2275 .buffer_snapshot
2276 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2277 if line_indent.is_line_blank() {
2278 return None;
2279 }
2280
2281 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2282 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2283
2284 let excerpt_id = snapshot
2285 .display_snapshot
2286 .buffer_snapshot
2287 .excerpt_containing(buffer_point..buffer_point)
2288 .map(|excerpt| excerpt.id());
2289
2290 let is_valid_row = |row_candidate: u32| -> bool {
2291 // move to other row if folded row
2292 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2293 return false;
2294 }
2295 if buffer_point.row == row_candidate {
2296 // move to other row if cursor is in slot
2297 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2298 return false;
2299 }
2300 } else {
2301 let candidate_point = MultiBufferPoint {
2302 row: row_candidate,
2303 column: 0,
2304 };
2305 let candidate_excerpt_id = snapshot
2306 .display_snapshot
2307 .buffer_snapshot
2308 .excerpt_containing(candidate_point..candidate_point)
2309 .map(|excerpt| excerpt.id());
2310 // move to other row if different excerpt
2311 if excerpt_id != candidate_excerpt_id {
2312 return false;
2313 }
2314 }
2315 let line_indent = snapshot
2316 .display_snapshot
2317 .buffer_snapshot
2318 .line_indent_for_row(MultiBufferRow(row_candidate));
2319 // use this row if it's blank
2320 if line_indent.is_line_blank() {
2321 true
2322 } else {
2323 // use this row if code starts after slot
2324 let indent_size = snapshot
2325 .display_snapshot
2326 .buffer_snapshot
2327 .indent_size_for_line(MultiBufferRow(row_candidate));
2328 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2329 }
2330 };
2331
2332 let new_buffer_row = if is_valid_row(buffer_point.row) {
2333 Some(buffer_point.row)
2334 } else {
2335 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2336 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2337 let row_above = buffer_point.row.saturating_sub(offset);
2338 let row_below = buffer_point.row + offset;
2339 if row_above != buffer_point.row && is_valid_row(row_above) {
2340 Some(row_above)
2341 } else if row_below <= max_row && is_valid_row(row_below) {
2342 Some(row_below)
2343 } else {
2344 None
2345 }
2346 })
2347 }?;
2348
2349 let new_display_row = snapshot
2350 .display_snapshot
2351 .point_to_display_point(
2352 Point {
2353 row: new_buffer_row,
2354 column: buffer_point.column,
2355 },
2356 text::Bias::Left,
2357 )
2358 .row();
2359
2360 let start_y = content_origin.y
2361 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2362 + (line_height / 2.0)
2363 - (icon_size.square(window, cx) / 2.);
2364 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2365
2366 let absolute_offset = gpui::point(start_x, start_y);
2367 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2368 button.prepaint_as_root(
2369 absolute_offset,
2370 gpui::AvailableSpace::min_size(),
2371 window,
2372 cx,
2373 );
2374 Some(button)
2375 }
2376
2377 fn layout_inline_blame(
2378 &self,
2379 display_row: DisplayRow,
2380 row_info: &RowInfo,
2381 line_layout: &LineWithInvisibles,
2382 crease_trailer: Option<&CreaseTrailerLayout>,
2383 em_width: Pixels,
2384 content_origin: gpui::Point<Pixels>,
2385 scroll_pixel_position: gpui::Point<Pixels>,
2386 line_height: Pixels,
2387 text_hitbox: &Hitbox,
2388 window: &mut Window,
2389 cx: &mut App,
2390 ) -> Option<InlineBlameLayout> {
2391 if !self
2392 .editor
2393 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2394 {
2395 return None;
2396 }
2397
2398 let editor = self.editor.read(cx);
2399 let blame = editor.blame.clone()?;
2400 let padding = {
2401 const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 6.;
2402 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2403
2404 let mut padding = INLINE_BLAME_PADDING_EM_WIDTHS;
2405
2406 if let Some(inline_completion) = editor.active_inline_completion.as_ref() {
2407 match &inline_completion.completion {
2408 InlineCompletion::Edit {
2409 display_mode: EditDisplayMode::TabAccept,
2410 ..
2411 } => padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS,
2412 _ => {}
2413 }
2414 }
2415
2416 padding * em_width
2417 };
2418
2419 let entry = blame
2420 .update(cx, |blame, cx| {
2421 blame.blame_for_rows(&[*row_info], cx).next()
2422 })
2423 .flatten()?;
2424
2425 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2426
2427 let start_y = content_origin.y
2428 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2429
2430 let start_x = {
2431 let line_end = if let Some(crease_trailer) = crease_trailer {
2432 crease_trailer.bounds.right()
2433 } else {
2434 content_origin.x - scroll_pixel_position.x + line_layout.width
2435 };
2436
2437 let padded_line_end = line_end + padding;
2438
2439 let min_column_in_pixels = ProjectSettings::get_global(cx)
2440 .git
2441 .inline_blame
2442 .and_then(|settings| settings.min_column)
2443 .map(|col| self.column_pixels(col as usize, window, cx))
2444 .unwrap_or(px(0.));
2445 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2446
2447 cmp::max(padded_line_end, min_start)
2448 };
2449
2450 let absolute_offset = point(start_x, start_y);
2451 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2452 let bounds = Bounds::new(absolute_offset, size);
2453
2454 self.layout_blame_entry_popover(entry.clone(), blame, line_height, text_hitbox, window, cx);
2455
2456 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2457
2458 Some(InlineBlameLayout {
2459 element,
2460 bounds,
2461 entry,
2462 })
2463 }
2464
2465 fn layout_blame_entry_popover(
2466 &self,
2467 blame_entry: BlameEntry,
2468 blame: Entity<GitBlame>,
2469 line_height: Pixels,
2470 text_hitbox: &Hitbox,
2471 window: &mut Window,
2472 cx: &mut App,
2473 ) {
2474 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2475 editor
2476 .inline_blame_popover
2477 .as_ref()
2478 .map(|state| (state.popover_state.clone(), state.position))
2479 }) else {
2480 return;
2481 };
2482
2483 let workspace = self
2484 .editor
2485 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2486
2487 let maybe_element = workspace.and_then(|workspace| {
2488 render_blame_entry_popover(
2489 blame_entry,
2490 popover_state.scroll_handle,
2491 popover_state.commit_message,
2492 popover_state.markdown,
2493 workspace,
2494 &blame,
2495 window,
2496 cx,
2497 )
2498 });
2499
2500 if let Some(mut element) = maybe_element {
2501 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2502 let overall_height = size.height + HOVER_POPOVER_GAP;
2503 let popover_origin = if target_point.y > overall_height {
2504 point(target_point.x, target_point.y - size.height)
2505 } else {
2506 point(
2507 target_point.x,
2508 target_point.y + line_height + HOVER_POPOVER_GAP,
2509 )
2510 };
2511
2512 let horizontal_offset = (text_hitbox.top_right().x
2513 - POPOVER_RIGHT_OFFSET
2514 - (popover_origin.x + size.width))
2515 .min(Pixels::ZERO);
2516
2517 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2518 let popover_bounds = Bounds::new(origin, size);
2519
2520 self.editor.update(cx, |editor, _| {
2521 if let Some(state) = &mut editor.inline_blame_popover {
2522 state.popover_bounds = Some(popover_bounds);
2523 }
2524 });
2525
2526 window.defer_draw(element, origin, 2);
2527 }
2528 }
2529
2530 fn layout_blame_entries(
2531 &self,
2532 buffer_rows: &[RowInfo],
2533 em_width: Pixels,
2534 scroll_position: gpui::Point<f32>,
2535 line_height: Pixels,
2536 gutter_hitbox: &Hitbox,
2537 max_width: Option<Pixels>,
2538 window: &mut Window,
2539 cx: &mut App,
2540 ) -> Option<Vec<AnyElement>> {
2541 if !self
2542 .editor
2543 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2544 {
2545 return None;
2546 }
2547
2548 let blame = self.editor.read(cx).blame.clone()?;
2549 let workspace = self.editor.read(cx).workspace()?;
2550 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2551 blame.blame_for_rows(buffer_rows, cx).collect()
2552 });
2553
2554 let width = if let Some(max_width) = max_width {
2555 AvailableSpace::Definite(max_width)
2556 } else {
2557 AvailableSpace::MaxContent
2558 };
2559 let scroll_top = scroll_position.y * line_height;
2560 let start_x = em_width;
2561
2562 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2563 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2564
2565 let shaped_lines = blamed_rows
2566 .into_iter()
2567 .enumerate()
2568 .flat_map(|(ix, blame_entry)| {
2569 let mut element = render_blame_entry(
2570 ix,
2571 &blame,
2572 blame_entry?,
2573 &self.style,
2574 &mut last_used_color,
2575 self.editor.clone(),
2576 workspace.clone(),
2577 blame_renderer.clone(),
2578 cx,
2579 )?;
2580
2581 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2582 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2583
2584 element.prepaint_as_root(
2585 absolute_offset,
2586 size(width, AvailableSpace::MinContent),
2587 window,
2588 cx,
2589 );
2590
2591 Some(element)
2592 })
2593 .collect();
2594
2595 Some(shaped_lines)
2596 }
2597
2598 fn layout_indent_guides(
2599 &self,
2600 content_origin: gpui::Point<Pixels>,
2601 text_origin: gpui::Point<Pixels>,
2602 visible_buffer_range: Range<MultiBufferRow>,
2603 scroll_pixel_position: gpui::Point<Pixels>,
2604 line_height: Pixels,
2605 snapshot: &DisplaySnapshot,
2606 window: &mut Window,
2607 cx: &mut App,
2608 ) -> Option<Vec<IndentGuideLayout>> {
2609 if self.editor.read(cx).mode().is_minimap() {
2610 return None;
2611 }
2612 let indent_guides = self.editor.update(cx, |editor, cx| {
2613 editor.indent_guides(visible_buffer_range, snapshot, cx)
2614 })?;
2615
2616 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2617 editor
2618 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2619 .unwrap_or_default()
2620 });
2621
2622 Some(
2623 indent_guides
2624 .into_iter()
2625 .enumerate()
2626 .filter_map(|(i, indent_guide)| {
2627 let single_indent_width =
2628 self.column_pixels(indent_guide.tab_size as usize, window, cx);
2629 let total_width = single_indent_width * indent_guide.depth as f32;
2630 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2631 if start_x >= text_origin.x {
2632 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2633 indent_guide.start_row..indent_guide.end_row,
2634 line_height,
2635 snapshot,
2636 );
2637
2638 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2639
2640 Some(IndentGuideLayout {
2641 origin: point(start_x, start_y),
2642 length,
2643 single_indent_width,
2644 depth: indent_guide.depth,
2645 active: active_indent_guide_indices.contains(&i),
2646 settings: indent_guide.settings,
2647 })
2648 } else {
2649 None
2650 }
2651 })
2652 .collect(),
2653 )
2654 }
2655
2656 fn calculate_indent_guide_bounds(
2657 row_range: Range<MultiBufferRow>,
2658 line_height: Pixels,
2659 snapshot: &DisplaySnapshot,
2660 ) -> (gpui::Pixels, gpui::Pixels) {
2661 let start_point = Point::new(row_range.start.0, 0);
2662 let end_point = Point::new(row_range.end.0, 0);
2663
2664 let row_range = start_point.to_display_point(snapshot).row()
2665 ..end_point.to_display_point(snapshot).row();
2666
2667 let mut prev_line = start_point;
2668 prev_line.row = prev_line.row.saturating_sub(1);
2669 let prev_line = prev_line.to_display_point(snapshot).row();
2670
2671 let mut cons_line = end_point;
2672 cons_line.row += 1;
2673 let cons_line = cons_line.to_display_point(snapshot).row();
2674
2675 let mut offset_y = row_range.start.0 as f32 * line_height;
2676 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2677
2678 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2679 if row_range.end == cons_line {
2680 length += line_height;
2681 }
2682
2683 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2684 // we want to extend the indent guide to the start of the block.
2685 let mut block_height = 0;
2686 let mut block_offset = 0;
2687 let mut found_excerpt_header = false;
2688 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2689 if matches!(block, Block::ExcerptBoundary { .. }) {
2690 found_excerpt_header = true;
2691 break;
2692 }
2693 block_offset += block.height();
2694 block_height += block.height();
2695 }
2696 if !found_excerpt_header {
2697 offset_y -= block_offset as f32 * line_height;
2698 length += block_height as f32 * line_height;
2699 }
2700
2701 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2702 // we want to ensure that the indent guide stops before the excerpt header.
2703 let mut block_height = 0;
2704 let mut found_excerpt_header = false;
2705 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2706 if matches!(block, Block::ExcerptBoundary { .. }) {
2707 found_excerpt_header = true;
2708 }
2709 block_height += block.height();
2710 }
2711 if found_excerpt_header {
2712 length -= block_height as f32 * line_height;
2713 }
2714
2715 (offset_y, length)
2716 }
2717
2718 fn layout_breakpoints(
2719 &self,
2720 line_height: Pixels,
2721 range: Range<DisplayRow>,
2722 scroll_pixel_position: gpui::Point<Pixels>,
2723 gutter_dimensions: &GutterDimensions,
2724 gutter_hitbox: &Hitbox,
2725 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2726 snapshot: &EditorSnapshot,
2727 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2728 row_infos: &[RowInfo],
2729 window: &mut Window,
2730 cx: &mut App,
2731 ) -> Vec<AnyElement> {
2732 self.editor.update(cx, |editor, cx| {
2733 breakpoints
2734 .into_iter()
2735 .filter_map(|(display_row, (text_anchor, bp, state))| {
2736 if row_infos
2737 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2738 .is_some_and(|row_info| {
2739 row_info.expand_info.is_some()
2740 || row_info
2741 .diff_status
2742 .is_some_and(|status| status.is_deleted())
2743 })
2744 {
2745 return None;
2746 }
2747
2748 if range.start > display_row || range.end < display_row {
2749 return None;
2750 }
2751
2752 let row =
2753 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(&snapshot).row);
2754 if snapshot.is_line_folded(row) {
2755 return None;
2756 }
2757
2758 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2759
2760 let button = prepaint_gutter_button(
2761 button,
2762 display_row,
2763 line_height,
2764 gutter_dimensions,
2765 scroll_pixel_position,
2766 gutter_hitbox,
2767 display_hunks,
2768 window,
2769 cx,
2770 );
2771 Some(button)
2772 })
2773 .collect_vec()
2774 })
2775 }
2776
2777 #[allow(clippy::too_many_arguments)]
2778 fn layout_run_indicators(
2779 &self,
2780 line_height: Pixels,
2781 range: Range<DisplayRow>,
2782 row_infos: &[RowInfo],
2783 scroll_pixel_position: gpui::Point<Pixels>,
2784 gutter_dimensions: &GutterDimensions,
2785 gutter_hitbox: &Hitbox,
2786 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2787 snapshot: &EditorSnapshot,
2788 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2789 window: &mut Window,
2790 cx: &mut App,
2791 ) -> Vec<AnyElement> {
2792 self.editor.update(cx, |editor, cx| {
2793 let active_task_indicator_row =
2794 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2795 deployed_from,
2796 actions,
2797 ..
2798 })) = editor.context_menu.borrow().as_ref()
2799 {
2800 actions
2801 .tasks()
2802 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2803 .or_else(|| match deployed_from {
2804 Some(CodeActionSource::Indicator(row)) => Some(*row),
2805 _ => None,
2806 })
2807 } else {
2808 None
2809 };
2810
2811 let offset_range_start =
2812 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2813
2814 let offset_range_end =
2815 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2816
2817 editor
2818 .tasks
2819 .iter()
2820 .filter_map(|(_, tasks)| {
2821 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2822 if multibuffer_point < offset_range_start
2823 || multibuffer_point > offset_range_end
2824 {
2825 return None;
2826 }
2827 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2828 let buffer_folded = snapshot
2829 .buffer_snapshot
2830 .buffer_line_for_row(multibuffer_row)
2831 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2832 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2833 .unwrap_or(false);
2834 if buffer_folded {
2835 return None;
2836 }
2837
2838 if snapshot.is_line_folded(multibuffer_row) {
2839 // Skip folded indicators, unless it's the starting line of a fold.
2840 if multibuffer_row
2841 .0
2842 .checked_sub(1)
2843 .map_or(false, |previous_row| {
2844 snapshot.is_line_folded(MultiBufferRow(previous_row))
2845 })
2846 {
2847 return None;
2848 }
2849 }
2850
2851 let display_row = multibuffer_point.to_display_point(snapshot).row();
2852 if !range.contains(&display_row) {
2853 return None;
2854 }
2855 if row_infos
2856 .get((display_row - range.start).0 as usize)
2857 .is_some_and(|row_info| row_info.expand_info.is_some())
2858 {
2859 return None;
2860 }
2861
2862 let button = editor.render_run_indicator(
2863 &self.style,
2864 Some(display_row) == active_task_indicator_row,
2865 display_row,
2866 breakpoints.remove(&display_row),
2867 cx,
2868 );
2869
2870 let button = prepaint_gutter_button(
2871 button,
2872 display_row,
2873 line_height,
2874 gutter_dimensions,
2875 scroll_pixel_position,
2876 gutter_hitbox,
2877 display_hunks,
2878 window,
2879 cx,
2880 );
2881 Some(button)
2882 })
2883 .collect_vec()
2884 })
2885 }
2886
2887 fn layout_expand_toggles(
2888 &self,
2889 gutter_hitbox: &Hitbox,
2890 gutter_dimensions: GutterDimensions,
2891 em_width: Pixels,
2892 line_height: Pixels,
2893 scroll_position: gpui::Point<f32>,
2894 buffer_rows: &[RowInfo],
2895 window: &mut Window,
2896 cx: &mut App,
2897 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2898 if self.editor.read(cx).disable_expand_excerpt_buttons {
2899 return vec![];
2900 }
2901
2902 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2903
2904 let scroll_top = scroll_position.y * line_height;
2905
2906 let max_line_number_length = self
2907 .editor
2908 .read(cx)
2909 .buffer()
2910 .read(cx)
2911 .snapshot(cx)
2912 .widest_line_number()
2913 .ilog10()
2914 + 1;
2915
2916 let elements = buffer_rows
2917 .into_iter()
2918 .enumerate()
2919 .map(|(ix, row_info)| {
2920 let ExpandInfo {
2921 excerpt_id,
2922 direction,
2923 } = row_info.expand_info?;
2924
2925 let icon_name = match direction {
2926 ExpandExcerptDirection::Up => IconName::ExpandUp,
2927 ExpandExcerptDirection::Down => IconName::ExpandDown,
2928 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
2929 };
2930
2931 let git_gutter_width = Self::gutter_strip_width(line_height);
2932 let available_width = gutter_dimensions.left_padding - git_gutter_width;
2933
2934 let editor = self.editor.clone();
2935 let is_wide = max_line_number_length
2936 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
2937 && row_info
2938 .buffer_row
2939 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
2940 || gutter_dimensions.right_padding == px(0.);
2941
2942 let width = if is_wide {
2943 available_width - px(2.)
2944 } else {
2945 available_width + em_width - px(2.)
2946 };
2947
2948 let toggle = IconButton::new(("expand", ix), icon_name)
2949 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
2950 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
2951 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
2952 .width(width.into())
2953 .on_click(move |_, window, cx| {
2954 editor.update(cx, |editor, cx| {
2955 editor.expand_excerpt(excerpt_id, direction, window, cx);
2956 });
2957 })
2958 .tooltip(Tooltip::for_action_title(
2959 "Expand Excerpt",
2960 &crate::actions::ExpandExcerpts::default(),
2961 ))
2962 .into_any_element();
2963
2964 let position = point(
2965 git_gutter_width + px(1.),
2966 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
2967 );
2968 let origin = gutter_hitbox.origin + position;
2969
2970 Some((toggle, origin))
2971 })
2972 .collect();
2973
2974 elements
2975 }
2976
2977 fn calculate_relative_line_numbers(
2978 &self,
2979 snapshot: &EditorSnapshot,
2980 rows: &Range<DisplayRow>,
2981 relative_to: Option<DisplayRow>,
2982 ) -> HashMap<DisplayRow, DisplayRowDelta> {
2983 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
2984 let Some(relative_to) = relative_to else {
2985 return relative_rows;
2986 };
2987
2988 let start = rows.start.min(relative_to);
2989 let end = rows.end.max(relative_to);
2990
2991 let buffer_rows = snapshot
2992 .row_infos(start)
2993 .take(1 + end.minus(start) as usize)
2994 .collect::<Vec<_>>();
2995
2996 let head_idx = relative_to.minus(start);
2997 let mut delta = 1;
2998 let mut i = head_idx + 1;
2999 while i < buffer_rows.len() as u32 {
3000 if buffer_rows[i as usize].buffer_row.is_some() {
3001 if rows.contains(&DisplayRow(i + start.0)) {
3002 relative_rows.insert(DisplayRow(i + start.0), delta);
3003 }
3004 delta += 1;
3005 }
3006 i += 1;
3007 }
3008 delta = 1;
3009 i = head_idx.min(buffer_rows.len() as u32 - 1);
3010 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3011 i -= 1;
3012 }
3013
3014 while i > 0 {
3015 i -= 1;
3016 if buffer_rows[i as usize].buffer_row.is_some() {
3017 if rows.contains(&DisplayRow(i + start.0)) {
3018 relative_rows.insert(DisplayRow(i + start.0), delta);
3019 }
3020 delta += 1;
3021 }
3022 }
3023
3024 relative_rows
3025 }
3026
3027 fn layout_line_numbers(
3028 &self,
3029 gutter_hitbox: Option<&Hitbox>,
3030 gutter_dimensions: GutterDimensions,
3031 line_height: Pixels,
3032 scroll_position: gpui::Point<f32>,
3033 rows: Range<DisplayRow>,
3034 buffer_rows: &[RowInfo],
3035 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3036 newest_selection_head: Option<DisplayPoint>,
3037 snapshot: &EditorSnapshot,
3038 window: &mut Window,
3039 cx: &mut App,
3040 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3041 let include_line_numbers = snapshot.show_line_numbers.unwrap_or_else(|| {
3042 EditorSettings::get_global(cx).gutter.line_numbers && snapshot.mode.is_full()
3043 });
3044 if !include_line_numbers {
3045 return Arc::default();
3046 }
3047
3048 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3049 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3050 let newest = editor.selections.newest::<Point>(cx);
3051 SelectionLayout::new(
3052 newest,
3053 editor.selections.line_mode,
3054 editor.cursor_shape,
3055 &snapshot.display_snapshot,
3056 true,
3057 true,
3058 None,
3059 )
3060 .head
3061 });
3062 let is_relative = editor.should_use_relative_line_numbers(cx);
3063 (newest_selection_head, is_relative)
3064 });
3065
3066 let relative_to = if is_relative {
3067 Some(newest_selection_head.row())
3068 } else {
3069 None
3070 };
3071 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3072 let mut line_number = String::new();
3073 let line_numbers = buffer_rows
3074 .into_iter()
3075 .enumerate()
3076 .flat_map(|(ix, row_info)| {
3077 let display_row = DisplayRow(rows.start.0 + ix as u32);
3078 line_number.clear();
3079 let non_relative_number = row_info.buffer_row? + 1;
3080 let number = relative_rows
3081 .get(&display_row)
3082 .unwrap_or(&non_relative_number);
3083 write!(&mut line_number, "{number}").unwrap();
3084 if row_info
3085 .diff_status
3086 .is_some_and(|status| status.is_deleted())
3087 {
3088 return None;
3089 }
3090
3091 let color = active_rows
3092 .get(&display_row)
3093 .map(|spec| {
3094 if spec.breakpoint {
3095 cx.theme().colors().debugger_accent
3096 } else {
3097 cx.theme().colors().editor_active_line_number
3098 }
3099 })
3100 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3101 let shaped_line =
3102 self.shape_line_number(SharedString::from(&line_number), color, window);
3103 let scroll_top = scroll_position.y * line_height;
3104 let line_origin = gutter_hitbox.map(|hitbox| {
3105 hitbox.origin
3106 + point(
3107 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3108 ix as f32 * line_height - (scroll_top % line_height),
3109 )
3110 });
3111
3112 #[cfg(not(test))]
3113 let hitbox = line_origin.map(|line_origin| {
3114 window.insert_hitbox(
3115 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3116 HitboxBehavior::Normal,
3117 )
3118 });
3119 #[cfg(test)]
3120 let hitbox = {
3121 let _ = line_origin;
3122 None
3123 };
3124
3125 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3126 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3127 let line_number = LineNumberLayout {
3128 shaped_line,
3129 hitbox,
3130 };
3131 Some((multi_buffer_row, line_number))
3132 })
3133 .collect();
3134 Arc::new(line_numbers)
3135 }
3136
3137 fn layout_crease_toggles(
3138 &self,
3139 rows: Range<DisplayRow>,
3140 row_infos: &[RowInfo],
3141 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3142 snapshot: &EditorSnapshot,
3143 window: &mut Window,
3144 cx: &mut App,
3145 ) -> Vec<Option<AnyElement>> {
3146 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3147 && snapshot.mode.is_full()
3148 && self.editor.read(cx).is_singleton(cx);
3149 if include_fold_statuses {
3150 row_infos
3151 .into_iter()
3152 .enumerate()
3153 .map(|(ix, info)| {
3154 if info.expand_info.is_some() {
3155 return None;
3156 }
3157 let row = info.multibuffer_row?;
3158 let display_row = DisplayRow(rows.start.0 + ix as u32);
3159 let active = active_rows.contains_key(&display_row);
3160
3161 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3162 })
3163 .collect()
3164 } else {
3165 Vec::new()
3166 }
3167 }
3168
3169 fn layout_crease_trailers(
3170 &self,
3171 buffer_rows: impl IntoIterator<Item = RowInfo>,
3172 snapshot: &EditorSnapshot,
3173 window: &mut Window,
3174 cx: &mut App,
3175 ) -> Vec<Option<AnyElement>> {
3176 buffer_rows
3177 .into_iter()
3178 .map(|row_info| {
3179 if row_info.expand_info.is_some() {
3180 return None;
3181 }
3182 if let Some(row) = row_info.multibuffer_row {
3183 snapshot.render_crease_trailer(row, window, cx)
3184 } else {
3185 None
3186 }
3187 })
3188 .collect()
3189 }
3190
3191 fn layout_lines(
3192 rows: Range<DisplayRow>,
3193 snapshot: &EditorSnapshot,
3194 style: &EditorStyle,
3195 editor_width: Pixels,
3196 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3197 window: &mut Window,
3198 cx: &mut App,
3199 ) -> Vec<LineWithInvisibles> {
3200 if rows.start >= rows.end {
3201 return Vec::new();
3202 }
3203
3204 // Show the placeholder when the editor is empty
3205 if snapshot.is_empty() {
3206 let font_size = style.text.font_size.to_pixels(window.rem_size());
3207 let placeholder_color = cx.theme().colors().text_placeholder;
3208 let placeholder_text = snapshot.placeholder_text();
3209
3210 let placeholder_lines = placeholder_text
3211 .as_ref()
3212 .map_or("", AsRef::as_ref)
3213 .split('\n')
3214 .skip(rows.start.0 as usize)
3215 .chain(iter::repeat(""))
3216 .take(rows.len());
3217 placeholder_lines
3218 .map(move |line| {
3219 let run = TextRun {
3220 len: line.len(),
3221 font: style.text.font(),
3222 color: placeholder_color,
3223 background_color: None,
3224 underline: None,
3225 strikethrough: None,
3226 };
3227 let line =
3228 window
3229 .text_system()
3230 .shape_line(line.to_string().into(), font_size, &[run]);
3231 LineWithInvisibles {
3232 width: line.width,
3233 len: line.len,
3234 fragments: smallvec![LineFragment::Text(line)],
3235 invisibles: Vec::new(),
3236 font_size,
3237 }
3238 })
3239 .collect()
3240 } else {
3241 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3242 LineWithInvisibles::from_chunks(
3243 chunks,
3244 &style,
3245 MAX_LINE_LEN,
3246 rows.len(),
3247 &snapshot.mode,
3248 editor_width,
3249 is_row_soft_wrapped,
3250 window,
3251 cx,
3252 )
3253 }
3254 }
3255
3256 fn prepaint_lines(
3257 &self,
3258 start_row: DisplayRow,
3259 line_layouts: &mut [LineWithInvisibles],
3260 line_height: Pixels,
3261 scroll_pixel_position: gpui::Point<Pixels>,
3262 content_origin: gpui::Point<Pixels>,
3263 window: &mut Window,
3264 cx: &mut App,
3265 ) -> SmallVec<[AnyElement; 1]> {
3266 let mut line_elements = SmallVec::new();
3267 for (ix, line) in line_layouts.iter_mut().enumerate() {
3268 let row = start_row + DisplayRow(ix as u32);
3269 line.prepaint(
3270 line_height,
3271 scroll_pixel_position,
3272 row,
3273 content_origin,
3274 &mut line_elements,
3275 window,
3276 cx,
3277 );
3278 }
3279 line_elements
3280 }
3281
3282 fn render_block(
3283 &self,
3284 block: &Block,
3285 available_width: AvailableSpace,
3286 block_id: BlockId,
3287 block_row_start: DisplayRow,
3288 snapshot: &EditorSnapshot,
3289 text_x: Pixels,
3290 rows: &Range<DisplayRow>,
3291 line_layouts: &[LineWithInvisibles],
3292 editor_margins: &EditorMargins,
3293 line_height: Pixels,
3294 em_width: Pixels,
3295 text_hitbox: &Hitbox,
3296 editor_width: Pixels,
3297 scroll_width: &mut Pixels,
3298 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3299 row_block_types: &mut HashMap<DisplayRow, bool>,
3300 selections: &[Selection<Point>],
3301 selected_buffer_ids: &Vec<BufferId>,
3302 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3303 sticky_header_excerpt_id: Option<ExcerptId>,
3304 window: &mut Window,
3305 cx: &mut App,
3306 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3307 let mut x_position = None;
3308 let mut element = match block {
3309 Block::Custom(custom) => {
3310 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3311 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3312 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3313 return None;
3314 }
3315 let align_to = block_start.to_display_point(snapshot);
3316 let x_and_width = |layout: &LineWithInvisibles| {
3317 Some((
3318 text_x + layout.x_for_index(align_to.column() as usize),
3319 text_x + layout.width,
3320 ))
3321 };
3322 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3323 x_position =
3324 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3325 x_and_width(&layout)
3326 } else {
3327 x_and_width(&layout_line(
3328 align_to.row(),
3329 snapshot,
3330 &self.style,
3331 editor_width,
3332 is_row_soft_wrapped,
3333 window,
3334 cx,
3335 ))
3336 };
3337
3338 let anchor_x = x_position.unwrap().0;
3339
3340 let selected = selections
3341 .binary_search_by(|selection| {
3342 if selection.end <= block_start {
3343 Ordering::Less
3344 } else if selection.start >= block_end {
3345 Ordering::Greater
3346 } else {
3347 Ordering::Equal
3348 }
3349 })
3350 .is_ok();
3351
3352 div()
3353 .size_full()
3354 .children(
3355 (!snapshot.mode.is_minimap() || custom.render_in_minimap).then(|| {
3356 custom.render(&mut BlockContext {
3357 window,
3358 app: cx,
3359 anchor_x,
3360 margins: editor_margins,
3361 line_height,
3362 em_width,
3363 block_id,
3364 selected,
3365 max_width: text_hitbox.size.width.max(*scroll_width),
3366 editor_style: &self.style,
3367 })
3368 }),
3369 )
3370 .into_any()
3371 }
3372
3373 Block::FoldedBuffer {
3374 first_excerpt,
3375 height,
3376 ..
3377 } => {
3378 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3379 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3380
3381 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3382 result
3383 .child(self.render_buffer_header(
3384 first_excerpt,
3385 true,
3386 selected,
3387 false,
3388 jump_data,
3389 window,
3390 cx,
3391 ))
3392 .into_any_element()
3393 }
3394
3395 Block::ExcerptBoundary {
3396 excerpt,
3397 height,
3398 starts_new_buffer,
3399 ..
3400 } => {
3401 let color = cx.theme().colors().clone();
3402 let mut result = v_flex().id(block_id).w_full();
3403
3404 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3405
3406 if *starts_new_buffer {
3407 if sticky_header_excerpt_id != Some(excerpt.id) {
3408 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3409
3410 result = result.child(div().pr(editor_margins.right).child(
3411 self.render_buffer_header(
3412 excerpt, false, selected, false, jump_data, window, cx,
3413 ),
3414 ));
3415 } else {
3416 result =
3417 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3418 }
3419 } else {
3420 result = result.child(
3421 h_flex().relative().child(
3422 div()
3423 .top(line_height / 2.)
3424 .absolute()
3425 .w_full()
3426 .h_px()
3427 .bg(color.border_variant),
3428 ),
3429 );
3430 };
3431
3432 result.into_any()
3433 }
3434 };
3435
3436 // Discover the element's content height, then round up to the nearest multiple of line height.
3437 let preliminary_size = element.layout_as_root(
3438 size(available_width, AvailableSpace::MinContent),
3439 window,
3440 cx,
3441 );
3442 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3443 let final_size = if preliminary_size.height == quantized_height {
3444 preliminary_size
3445 } else {
3446 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3447 };
3448 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3449
3450 let mut row = block_row_start;
3451 let mut x_offset = px(0.);
3452 let mut is_block = true;
3453
3454 if let BlockId::Custom(custom_block_id) = block_id {
3455 if block.has_height() {
3456 if block.place_near() {
3457 if let Some((x_target, line_width)) = x_position {
3458 let margin = em_width * 2;
3459 if line_width + final_size.width + margin
3460 < editor_width + editor_margins.gutter.full_width()
3461 && !row_block_types.contains_key(&(row - 1))
3462 && element_height_in_lines == 1
3463 {
3464 x_offset = line_width + margin;
3465 row = row - 1;
3466 is_block = false;
3467 element_height_in_lines = 0;
3468 row_block_types.insert(row, is_block);
3469 } else {
3470 let max_offset = editor_width + editor_margins.gutter.full_width()
3471 - final_size.width;
3472 let min_offset = (x_target + em_width - final_size.width)
3473 .max(editor_margins.gutter.full_width());
3474 x_offset = x_target.min(max_offset).max(min_offset);
3475 }
3476 }
3477 };
3478 if element_height_in_lines != block.height() {
3479 resized_blocks.insert(custom_block_id, element_height_in_lines);
3480 }
3481 }
3482 }
3483 for i in 0..element_height_in_lines {
3484 row_block_types.insert(row + i, is_block);
3485 }
3486
3487 Some((element, final_size, row, x_offset))
3488 }
3489
3490 fn render_buffer_header(
3491 &self,
3492 for_excerpt: &ExcerptInfo,
3493 is_folded: bool,
3494 is_selected: bool,
3495 is_sticky: bool,
3496 jump_data: JumpData,
3497 window: &mut Window,
3498 cx: &mut App,
3499 ) -> Div {
3500 let editor = self.editor.read(cx);
3501 let file_status = editor
3502 .buffer
3503 .read(cx)
3504 .all_diff_hunks_expanded()
3505 .then(|| {
3506 editor
3507 .project
3508 .as_ref()?
3509 .read(cx)
3510 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3511 })
3512 .flatten();
3513
3514 let include_root = editor
3515 .project
3516 .as_ref()
3517 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3518 .unwrap_or_default();
3519 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3520 let path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3521 let filename = path
3522 .as_ref()
3523 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3524 let parent_path = path.as_ref().and_then(|path| {
3525 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3526 });
3527 let focus_handle = editor.focus_handle(cx);
3528 let colors = cx.theme().colors();
3529
3530 div()
3531 .p_1()
3532 .w_full()
3533 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3534 .child(
3535 h_flex()
3536 .size_full()
3537 .gap_2()
3538 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3539 .pl_0p5()
3540 .pr_5()
3541 .rounded_sm()
3542 .when(is_sticky, |el| el.shadow_md())
3543 .border_1()
3544 .map(|div| {
3545 let border_color = if is_selected
3546 && is_folded
3547 && focus_handle.contains_focused(window, cx)
3548 {
3549 colors.border_focused
3550 } else {
3551 colors.border
3552 };
3553 div.border_color(border_color)
3554 })
3555 .bg(colors.editor_subheader_background)
3556 .hover(|style| style.bg(colors.element_hover))
3557 .map(|header| {
3558 let editor = self.editor.clone();
3559 let buffer_id = for_excerpt.buffer_id;
3560 let toggle_chevron_icon =
3561 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3562 header.child(
3563 div()
3564 .hover(|style| style.bg(colors.element_selected))
3565 .rounded_xs()
3566 .child(
3567 ButtonLike::new("toggle-buffer-fold")
3568 .style(ui::ButtonStyle::Transparent)
3569 .height(px(28.).into())
3570 .width(px(28.).into())
3571 .children(toggle_chevron_icon)
3572 .tooltip({
3573 let focus_handle = focus_handle.clone();
3574 move |window, cx| {
3575 Tooltip::for_action_in(
3576 "Toggle Excerpt Fold",
3577 &ToggleFold,
3578 &focus_handle,
3579 window,
3580 cx,
3581 )
3582 }
3583 })
3584 .on_click(move |_, _, cx| {
3585 if is_folded {
3586 editor.update(cx, |editor, cx| {
3587 editor.unfold_buffer(buffer_id, cx);
3588 });
3589 } else {
3590 editor.update(cx, |editor, cx| {
3591 editor.fold_buffer(buffer_id, cx);
3592 });
3593 }
3594 }),
3595 ),
3596 )
3597 })
3598 .children(
3599 editor
3600 .addons
3601 .values()
3602 .filter_map(|addon| {
3603 addon.render_buffer_header_controls(for_excerpt, window, cx)
3604 })
3605 .take(1),
3606 )
3607 .child(
3608 h_flex()
3609 .cursor_pointer()
3610 .id("path header block")
3611 .size_full()
3612 .justify_between()
3613 .child(
3614 h_flex()
3615 .gap_2()
3616 .child(
3617 Label::new(
3618 filename
3619 .map(SharedString::from)
3620 .unwrap_or_else(|| "untitled".into()),
3621 )
3622 .single_line()
3623 .when_some(
3624 file_status,
3625 |el, status| {
3626 el.color(if status.is_conflicted() {
3627 Color::Conflict
3628 } else if status.is_modified() {
3629 Color::Modified
3630 } else if status.is_deleted() {
3631 Color::Disabled
3632 } else {
3633 Color::Created
3634 })
3635 .when(status.is_deleted(), |el| el.strikethrough())
3636 },
3637 ),
3638 )
3639 .when_some(parent_path, |then, path| {
3640 then.child(div().child(path).text_color(
3641 if file_status.is_some_and(FileStatus::is_deleted) {
3642 colors.text_disabled
3643 } else {
3644 colors.text_muted
3645 },
3646 ))
3647 }),
3648 )
3649 .when(can_open_excerpts && is_selected && path.is_some(), |el| {
3650 el.child(
3651 h_flex()
3652 .id("jump-to-file-button")
3653 .gap_2p5()
3654 .child(Label::new("Jump To File"))
3655 .children(
3656 KeyBinding::for_action_in(
3657 &OpenExcerpts,
3658 &focus_handle,
3659 window,
3660 cx,
3661 )
3662 .map(|binding| binding.into_any_element()),
3663 ),
3664 )
3665 })
3666 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3667 .on_click(window.listener_for(&self.editor, {
3668 move |editor, e: &ClickEvent, window, cx| {
3669 editor.open_excerpts_common(
3670 Some(jump_data.clone()),
3671 e.down.modifiers.secondary(),
3672 window,
3673 cx,
3674 );
3675 }
3676 })),
3677 ),
3678 )
3679 }
3680
3681 fn render_blocks(
3682 &self,
3683 rows: Range<DisplayRow>,
3684 snapshot: &EditorSnapshot,
3685 hitbox: &Hitbox,
3686 text_hitbox: &Hitbox,
3687 editor_width: Pixels,
3688 scroll_width: &mut Pixels,
3689 editor_margins: &EditorMargins,
3690 em_width: Pixels,
3691 text_x: Pixels,
3692 line_height: Pixels,
3693 line_layouts: &mut [LineWithInvisibles],
3694 selections: &[Selection<Point>],
3695 selected_buffer_ids: &Vec<BufferId>,
3696 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3697 sticky_header_excerpt_id: Option<ExcerptId>,
3698 window: &mut Window,
3699 cx: &mut App,
3700 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
3701 let (fixed_blocks, non_fixed_blocks) = snapshot
3702 .blocks_in_range(rows.clone())
3703 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
3704
3705 let mut focused_block = self
3706 .editor
3707 .update(cx, |editor, _| editor.take_focused_block());
3708 let mut fixed_block_max_width = Pixels::ZERO;
3709 let mut blocks = Vec::new();
3710 let mut resized_blocks = HashMap::default();
3711 let mut row_block_types = HashMap::default();
3712
3713 for (row, block) in fixed_blocks {
3714 let block_id = block.id();
3715
3716 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3717 focused_block = None;
3718 }
3719
3720 if let Some((element, element_size, row, x_offset)) = self.render_block(
3721 block,
3722 AvailableSpace::MinContent,
3723 block_id,
3724 row,
3725 snapshot,
3726 text_x,
3727 &rows,
3728 line_layouts,
3729 editor_margins,
3730 line_height,
3731 em_width,
3732 text_hitbox,
3733 editor_width,
3734 scroll_width,
3735 &mut resized_blocks,
3736 &mut row_block_types,
3737 selections,
3738 selected_buffer_ids,
3739 is_row_soft_wrapped,
3740 sticky_header_excerpt_id,
3741 window,
3742 cx,
3743 ) {
3744 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
3745 blocks.push(BlockLayout {
3746 id: block_id,
3747 x_offset,
3748 row: Some(row),
3749 element,
3750 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
3751 style: BlockStyle::Fixed,
3752 overlaps_gutter: true,
3753 is_buffer_header: block.is_buffer_header(),
3754 });
3755 }
3756 }
3757
3758 for (row, block) in non_fixed_blocks {
3759 let style = block.style();
3760 let width = match (style, block.place_near()) {
3761 (_, true) => AvailableSpace::MinContent,
3762 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
3763 (BlockStyle::Flex, _) => hitbox
3764 .size
3765 .width
3766 .max(fixed_block_max_width)
3767 .max(editor_margins.gutter.width + *scroll_width)
3768 .into(),
3769 (BlockStyle::Fixed, _) => unreachable!(),
3770 };
3771 let block_id = block.id();
3772
3773 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3774 focused_block = None;
3775 }
3776
3777 if let Some((element, element_size, row, x_offset)) = self.render_block(
3778 block,
3779 width,
3780 block_id,
3781 row,
3782 snapshot,
3783 text_x,
3784 &rows,
3785 line_layouts,
3786 editor_margins,
3787 line_height,
3788 em_width,
3789 text_hitbox,
3790 editor_width,
3791 scroll_width,
3792 &mut resized_blocks,
3793 &mut row_block_types,
3794 selections,
3795 selected_buffer_ids,
3796 is_row_soft_wrapped,
3797 sticky_header_excerpt_id,
3798 window,
3799 cx,
3800 ) {
3801 blocks.push(BlockLayout {
3802 id: block_id,
3803 x_offset,
3804 row: Some(row),
3805 element,
3806 available_space: size(width, element_size.height.into()),
3807 style,
3808 overlaps_gutter: !block.place_near(),
3809 is_buffer_header: block.is_buffer_header(),
3810 });
3811 }
3812 }
3813
3814 if let Some(focused_block) = focused_block {
3815 if let Some(focus_handle) = focused_block.focus_handle.upgrade() {
3816 if focus_handle.is_focused(window) {
3817 if let Some(block) = snapshot.block_for_id(focused_block.id) {
3818 let style = block.style();
3819 let width = match style {
3820 BlockStyle::Fixed => AvailableSpace::MinContent,
3821 BlockStyle::Flex => AvailableSpace::Definite(
3822 hitbox
3823 .size
3824 .width
3825 .max(fixed_block_max_width)
3826 .max(editor_margins.gutter.width + *scroll_width),
3827 ),
3828 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
3829 };
3830
3831 if let Some((element, element_size, _, x_offset)) = self.render_block(
3832 &block,
3833 width,
3834 focused_block.id,
3835 rows.end,
3836 snapshot,
3837 text_x,
3838 &rows,
3839 line_layouts,
3840 editor_margins,
3841 line_height,
3842 em_width,
3843 text_hitbox,
3844 editor_width,
3845 scroll_width,
3846 &mut resized_blocks,
3847 &mut row_block_types,
3848 selections,
3849 selected_buffer_ids,
3850 is_row_soft_wrapped,
3851 sticky_header_excerpt_id,
3852 window,
3853 cx,
3854 ) {
3855 blocks.push(BlockLayout {
3856 id: block.id(),
3857 x_offset,
3858 row: None,
3859 element,
3860 available_space: size(width, element_size.height.into()),
3861 style,
3862 overlaps_gutter: true,
3863 is_buffer_header: block.is_buffer_header(),
3864 });
3865 }
3866 }
3867 }
3868 }
3869 }
3870
3871 if resized_blocks.is_empty() {
3872 *scroll_width =
3873 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
3874 Ok((blocks, row_block_types))
3875 } else {
3876 Err(resized_blocks)
3877 }
3878 }
3879
3880 fn layout_blocks(
3881 &self,
3882 blocks: &mut Vec<BlockLayout>,
3883 hitbox: &Hitbox,
3884 line_height: Pixels,
3885 scroll_pixel_position: gpui::Point<Pixels>,
3886 window: &mut Window,
3887 cx: &mut App,
3888 ) {
3889 for block in blocks {
3890 let mut origin = if let Some(row) = block.row {
3891 hitbox.origin
3892 + point(
3893 block.x_offset,
3894 row.as_f32() * line_height - scroll_pixel_position.y,
3895 )
3896 } else {
3897 // Position the block outside the visible area
3898 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
3899 };
3900
3901 if !matches!(block.style, BlockStyle::Sticky) {
3902 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
3903 }
3904
3905 let focus_handle =
3906 block
3907 .element
3908 .prepaint_as_root(origin, block.available_space, window, cx);
3909
3910 if let Some(focus_handle) = focus_handle {
3911 self.editor.update(cx, |editor, _cx| {
3912 editor.set_focused_block(FocusedBlock {
3913 id: block.id,
3914 focus_handle: focus_handle.downgrade(),
3915 });
3916 });
3917 }
3918 }
3919 }
3920
3921 fn layout_sticky_buffer_header(
3922 &self,
3923 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
3924 scroll_position: f32,
3925 line_height: Pixels,
3926 right_margin: Pixels,
3927 snapshot: &EditorSnapshot,
3928 hitbox: &Hitbox,
3929 selected_buffer_ids: &Vec<BufferId>,
3930 blocks: &[BlockLayout],
3931 window: &mut Window,
3932 cx: &mut App,
3933 ) -> AnyElement {
3934 let jump_data = header_jump_data(
3935 snapshot,
3936 DisplayRow(scroll_position as u32),
3937 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
3938 excerpt,
3939 );
3940
3941 let editor_bg_color = cx.theme().colors().editor_background;
3942
3943 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3944
3945 let available_width = hitbox.bounds.size.width - right_margin;
3946
3947 let mut header = v_flex()
3948 .relative()
3949 .child(
3950 div()
3951 .w(available_width)
3952 .h(FILE_HEADER_HEIGHT as f32 * line_height)
3953 .bg(linear_gradient(
3954 0.,
3955 linear_color_stop(editor_bg_color.opacity(0.), 0.),
3956 linear_color_stop(editor_bg_color, 0.6),
3957 ))
3958 .absolute()
3959 .top_0(),
3960 )
3961 .child(
3962 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
3963 .into_any_element(),
3964 )
3965 .into_any_element();
3966
3967 let mut origin = hitbox.origin;
3968 // Move floating header up to avoid colliding with the next buffer header.
3969 for block in blocks.iter() {
3970 if !block.is_buffer_header {
3971 continue;
3972 }
3973
3974 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
3975 continue;
3976 };
3977
3978 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
3979 let offset = scroll_position - max_row as f32;
3980
3981 if offset > 0.0 {
3982 origin.y -= offset * line_height;
3983 }
3984 break;
3985 }
3986
3987 let size = size(
3988 AvailableSpace::Definite(available_width),
3989 AvailableSpace::MinContent,
3990 );
3991
3992 header.prepaint_as_root(origin, size, window, cx);
3993
3994 header
3995 }
3996
3997 fn layout_cursor_popovers(
3998 &self,
3999 line_height: Pixels,
4000 text_hitbox: &Hitbox,
4001 content_origin: gpui::Point<Pixels>,
4002 right_margin: Pixels,
4003 start_row: DisplayRow,
4004 scroll_pixel_position: gpui::Point<Pixels>,
4005 line_layouts: &[LineWithInvisibles],
4006 cursor: DisplayPoint,
4007 cursor_point: Point,
4008 style: &EditorStyle,
4009 window: &mut Window,
4010 cx: &mut App,
4011 ) -> Option<ContextMenuLayout> {
4012 let mut min_menu_height = Pixels::ZERO;
4013 let mut max_menu_height = Pixels::ZERO;
4014 let mut height_above_menu = Pixels::ZERO;
4015 let height_below_menu = Pixels::ZERO;
4016 let mut edit_prediction_popover_visible = false;
4017 let mut context_menu_visible = false;
4018 let context_menu_placement;
4019
4020 {
4021 let editor = self.editor.read(cx);
4022 if editor
4023 .edit_prediction_visible_in_cursor_popover(editor.has_active_inline_completion())
4024 {
4025 height_above_menu +=
4026 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4027 edit_prediction_popover_visible = true;
4028 }
4029
4030 if editor.context_menu_visible() {
4031 if let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin() {
4032 let (min_height_in_lines, max_height_in_lines) = editor
4033 .context_menu_options
4034 .as_ref()
4035 .map_or((3, 12), |options| {
4036 (options.min_entries_visible, options.max_entries_visible)
4037 });
4038
4039 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4040 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4041 context_menu_visible = true;
4042 }
4043 }
4044 context_menu_placement = editor
4045 .context_menu_options
4046 .as_ref()
4047 .and_then(|options| options.placement.clone());
4048 }
4049
4050 let visible = edit_prediction_popover_visible || context_menu_visible;
4051 if !visible {
4052 return None;
4053 }
4054
4055 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4056 let target_position = content_origin
4057 + gpui::Point {
4058 x: cmp::max(
4059 px(0.),
4060 cursor_row_layout.x_for_index(cursor.column() as usize)
4061 - scroll_pixel_position.x,
4062 ),
4063 y: cmp::max(
4064 px(0.),
4065 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4066 ),
4067 };
4068
4069 let viewport_bounds =
4070 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4071 right: -right_margin - MENU_GAP,
4072 ..Default::default()
4073 });
4074
4075 let min_height = height_above_menu + min_menu_height + height_below_menu;
4076 let max_height = height_above_menu + max_menu_height + height_below_menu;
4077 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4078 target_position,
4079 line_height,
4080 min_height,
4081 max_height,
4082 context_menu_placement,
4083 text_hitbox,
4084 viewport_bounds,
4085 window,
4086 cx,
4087 |height, max_width_for_stable_x, y_flipped, window, cx| {
4088 // First layout the menu to get its size - others can be at least this wide.
4089 let context_menu = if context_menu_visible {
4090 let menu_height = if y_flipped {
4091 height - height_below_menu
4092 } else {
4093 height - height_above_menu
4094 };
4095 let mut element = self
4096 .render_context_menu(line_height, menu_height, window, cx)
4097 .expect("Visible context menu should always render.");
4098 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4099 Some((CursorPopoverType::CodeContextMenu, element, size))
4100 } else {
4101 None
4102 };
4103 let min_width = context_menu
4104 .as_ref()
4105 .map_or(px(0.), |(_, _, size)| size.width);
4106 let max_width = max_width_for_stable_x.max(
4107 context_menu
4108 .as_ref()
4109 .map_or(px(0.), |(_, _, size)| size.width),
4110 );
4111
4112 let edit_prediction = if edit_prediction_popover_visible {
4113 self.editor.update(cx, move |editor, cx| {
4114 let accept_binding =
4115 editor.accept_edit_prediction_keybind(false, window, cx);
4116 let mut element = editor.render_edit_prediction_cursor_popover(
4117 min_width,
4118 max_width,
4119 cursor_point,
4120 style,
4121 accept_binding.keystroke(),
4122 window,
4123 cx,
4124 )?;
4125 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4126 Some((CursorPopoverType::EditPrediction, element, size))
4127 })
4128 } else {
4129 None
4130 };
4131 vec![edit_prediction, context_menu]
4132 .into_iter()
4133 .flatten()
4134 .collect::<Vec<_>>()
4135 },
4136 )?;
4137
4138 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4139 .iter()
4140 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4141 let last_ix = laid_out_popovers.len() - 1;
4142 let menu_is_last = menu_ix == last_ix;
4143 let first_popover_bounds = laid_out_popovers[0].1;
4144 let last_popover_bounds = laid_out_popovers[last_ix].1;
4145
4146 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4147 // right, and otherwise it goes below or to the right.
4148 let mut target_bounds = Bounds::from_corners(
4149 first_popover_bounds.origin,
4150 last_popover_bounds.bottom_right(),
4151 );
4152 target_bounds.size.width = menu_bounds.size.width;
4153
4154 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4155 // based on this is preferred for layout stability.
4156 let mut max_target_bounds = target_bounds;
4157 max_target_bounds.size.height = max_height;
4158 if y_flipped {
4159 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4160 }
4161
4162 // Add spacing around `target_bounds` and `max_target_bounds`.
4163 let mut extend_amount = Edges::all(MENU_GAP);
4164 if y_flipped {
4165 extend_amount.bottom = line_height;
4166 } else {
4167 extend_amount.top = line_height;
4168 }
4169 let target_bounds = target_bounds.extend(extend_amount);
4170 let max_target_bounds = max_target_bounds.extend(extend_amount);
4171
4172 let must_place_above_or_below =
4173 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4174 laid_out_popovers[menu_ix + 1..]
4175 .iter()
4176 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4177 } else {
4178 false
4179 };
4180
4181 let aside_bounds = self.layout_context_menu_aside(
4182 y_flipped,
4183 *menu_bounds,
4184 target_bounds,
4185 max_target_bounds,
4186 max_menu_height,
4187 must_place_above_or_below,
4188 text_hitbox,
4189 viewport_bounds,
4190 window,
4191 cx,
4192 );
4193
4194 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4195 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4196 Some(*bounds)
4197 } else {
4198 None
4199 }
4200 }) {
4201 let bounds = if let Some(aside_bounds) = aside_bounds {
4202 menu_bounds.union(&aside_bounds)
4203 } else {
4204 menu_bounds
4205 };
4206 return Some(ContextMenuLayout { y_flipped, bounds });
4207 }
4208
4209 None
4210 }
4211
4212 fn layout_gutter_menu(
4213 &self,
4214 line_height: Pixels,
4215 text_hitbox: &Hitbox,
4216 content_origin: gpui::Point<Pixels>,
4217 right_margin: Pixels,
4218 scroll_pixel_position: gpui::Point<Pixels>,
4219 gutter_overshoot: Pixels,
4220 window: &mut Window,
4221 cx: &mut App,
4222 ) {
4223 let editor = self.editor.read(cx);
4224 if !editor.context_menu_visible() {
4225 return;
4226 }
4227 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4228 editor.context_menu_origin()
4229 else {
4230 return;
4231 };
4232 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4233 // indicator than just a plain first column of the text field.
4234 let target_position = content_origin
4235 + gpui::Point {
4236 x: -gutter_overshoot,
4237 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4238 };
4239
4240 let (min_height_in_lines, max_height_in_lines) = editor
4241 .context_menu_options
4242 .as_ref()
4243 .map_or((3, 12), |options| {
4244 (options.min_entries_visible, options.max_entries_visible)
4245 });
4246
4247 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4248 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4249 let viewport_bounds =
4250 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4251 right: -right_margin - MENU_GAP,
4252 ..Default::default()
4253 });
4254 self.layout_popovers_above_or_below_line(
4255 target_position,
4256 line_height,
4257 min_height,
4258 max_height,
4259 editor
4260 .context_menu_options
4261 .as_ref()
4262 .and_then(|options| options.placement.clone()),
4263 text_hitbox,
4264 viewport_bounds,
4265 window,
4266 cx,
4267 move |height, _max_width_for_stable_x, _, window, cx| {
4268 let mut element = self
4269 .render_context_menu(line_height, height, window, cx)
4270 .expect("Visible context menu should always render.");
4271 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4272 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4273 },
4274 );
4275 }
4276
4277 fn layout_popovers_above_or_below_line(
4278 &self,
4279 target_position: gpui::Point<Pixels>,
4280 line_height: Pixels,
4281 min_height: Pixels,
4282 max_height: Pixels,
4283 placement: Option<ContextMenuPlacement>,
4284 text_hitbox: &Hitbox,
4285 viewport_bounds: Bounds<Pixels>,
4286 window: &mut Window,
4287 cx: &mut App,
4288 make_sized_popovers: impl FnOnce(
4289 Pixels,
4290 Pixels,
4291 bool,
4292 &mut Window,
4293 &mut App,
4294 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4295 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4296 let text_style = TextStyleRefinement {
4297 line_height: Some(DefiniteLength::Fraction(
4298 BufferLineHeight::Comfortable.value(),
4299 )),
4300 ..Default::default()
4301 };
4302 window.with_text_style(Some(text_style), |window| {
4303 // If the max height won't fit below and there is more space above, put it above the line.
4304 let bottom_y_when_flipped = target_position.y - line_height;
4305 let available_above = bottom_y_when_flipped - text_hitbox.top();
4306 let available_below = text_hitbox.bottom() - target_position.y;
4307 let y_overflows_below = max_height > available_below;
4308 let mut y_flipped = match placement {
4309 Some(ContextMenuPlacement::Above) => true,
4310 Some(ContextMenuPlacement::Below) => false,
4311 None => y_overflows_below && available_above > available_below,
4312 };
4313 let mut height = cmp::min(
4314 max_height,
4315 if y_flipped {
4316 available_above
4317 } else {
4318 available_below
4319 },
4320 );
4321
4322 // If the min height doesn't fit within text bounds, instead fit within the window.
4323 if height < min_height {
4324 let available_above = bottom_y_when_flipped;
4325 let available_below = viewport_bounds.bottom() - target_position.y;
4326 let (y_flipped_override, height_override) = match placement {
4327 Some(ContextMenuPlacement::Above) => {
4328 (true, cmp::min(available_above, min_height))
4329 }
4330 Some(ContextMenuPlacement::Below) => {
4331 (false, cmp::min(available_below, min_height))
4332 }
4333 None => {
4334 if available_below > min_height {
4335 (false, min_height)
4336 } else if available_above > min_height {
4337 (true, min_height)
4338 } else if available_above > available_below {
4339 (true, available_above)
4340 } else {
4341 (false, available_below)
4342 }
4343 }
4344 };
4345 y_flipped = y_flipped_override;
4346 height = height_override;
4347 }
4348
4349 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4350
4351 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4352 // for very narrow windows.
4353 let popovers =
4354 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4355 if popovers.is_empty() {
4356 return None;
4357 }
4358
4359 let max_width = popovers
4360 .iter()
4361 .map(|(_, _, size)| size.width)
4362 .max()
4363 .unwrap_or_default();
4364
4365 let mut current_position = gpui::Point {
4366 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4367 // overflow. Include space for the scrollbar.
4368 x: target_position
4369 .x
4370 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4371 y: if y_flipped {
4372 bottom_y_when_flipped
4373 } else {
4374 target_position.y
4375 },
4376 };
4377
4378 let mut laid_out_popovers = popovers
4379 .into_iter()
4380 .map(|(popover_type, element, size)| {
4381 if y_flipped {
4382 current_position.y -= size.height;
4383 }
4384 let position = current_position;
4385 window.defer_draw(element, current_position, 1);
4386 if !y_flipped {
4387 current_position.y += size.height + MENU_GAP;
4388 } else {
4389 current_position.y -= MENU_GAP;
4390 }
4391 (popover_type, Bounds::new(position, size))
4392 })
4393 .collect::<Vec<_>>();
4394
4395 if y_flipped {
4396 laid_out_popovers.reverse();
4397 }
4398
4399 Some((laid_out_popovers, y_flipped))
4400 })
4401 }
4402
4403 fn layout_context_menu_aside(
4404 &self,
4405 y_flipped: bool,
4406 menu_bounds: Bounds<Pixels>,
4407 target_bounds: Bounds<Pixels>,
4408 max_target_bounds: Bounds<Pixels>,
4409 max_height: Pixels,
4410 must_place_above_or_below: bool,
4411 text_hitbox: &Hitbox,
4412 viewport_bounds: Bounds<Pixels>,
4413 window: &mut Window,
4414 cx: &mut App,
4415 ) -> Option<Bounds<Pixels>> {
4416 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4417 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4418 && !must_place_above_or_below
4419 {
4420 let max_width = cmp::min(
4421 available_within_viewport.right - px(1.),
4422 MENU_ASIDE_MAX_WIDTH,
4423 );
4424 let mut aside = self.render_context_menu_aside(
4425 size(max_width, max_height - POPOVER_Y_PADDING),
4426 window,
4427 cx,
4428 )?;
4429 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4430 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4431 Some((aside, right_position, size))
4432 } else {
4433 let max_size = size(
4434 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4435 // won't be needed here.
4436 cmp::min(
4437 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4438 viewport_bounds.right(),
4439 ),
4440 cmp::min(
4441 max_height,
4442 cmp::max(
4443 available_within_viewport.top,
4444 available_within_viewport.bottom,
4445 ),
4446 ) - POPOVER_Y_PADDING,
4447 );
4448 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4449 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4450
4451 let top_position = point(
4452 menu_bounds.origin.x,
4453 target_bounds.top() - actual_size.height,
4454 );
4455 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4456
4457 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4458 // Prefer to fit on the same side of the line as the menu, then on the other side of
4459 // the line.
4460 if !y_flipped && wanted.height < available.bottom {
4461 Some(bottom_position)
4462 } else if !y_flipped && wanted.height < available.top {
4463 Some(top_position)
4464 } else if y_flipped && wanted.height < available.top {
4465 Some(top_position)
4466 } else if y_flipped && wanted.height < available.bottom {
4467 Some(bottom_position)
4468 } else {
4469 None
4470 }
4471 };
4472
4473 // Prefer choosing a direction using max sizes rather than actual size for stability.
4474 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4475 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4476 let aside_position = fit_within(available_within_text, wanted)
4477 // Fallback: fit max size in window.
4478 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4479 // Fallback: fit actual size in window.
4480 .or_else(|| fit_within(available_within_viewport, actual_size));
4481
4482 aside_position.map(|position| (aside, position, actual_size))
4483 };
4484
4485 // Skip drawing if it doesn't fit anywhere.
4486 if let Some((aside, position, size)) = positioned_aside {
4487 let aside_bounds = Bounds::new(position, size);
4488 window.defer_draw(aside, position, 2);
4489 return Some(aside_bounds);
4490 }
4491
4492 None
4493 }
4494
4495 fn render_context_menu(
4496 &self,
4497 line_height: Pixels,
4498 height: Pixels,
4499 window: &mut Window,
4500 cx: &mut App,
4501 ) -> Option<AnyElement> {
4502 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4503 self.editor.update(cx, |editor, cx| {
4504 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4505 })
4506 }
4507
4508 fn render_context_menu_aside(
4509 &self,
4510 max_size: Size<Pixels>,
4511 window: &mut Window,
4512 cx: &mut App,
4513 ) -> Option<AnyElement> {
4514 if max_size.width < px(100.) || max_size.height < px(12.) {
4515 None
4516 } else {
4517 self.editor.update(cx, |editor, cx| {
4518 editor.render_context_menu_aside(max_size, window, cx)
4519 })
4520 }
4521 }
4522
4523 fn layout_mouse_context_menu(
4524 &self,
4525 editor_snapshot: &EditorSnapshot,
4526 visible_range: Range<DisplayRow>,
4527 content_origin: gpui::Point<Pixels>,
4528 window: &mut Window,
4529 cx: &mut App,
4530 ) -> Option<AnyElement> {
4531 let position = self.editor.update(cx, |editor, _cx| {
4532 let visible_start_point = editor.display_to_pixel_point(
4533 DisplayPoint::new(visible_range.start, 0),
4534 editor_snapshot,
4535 window,
4536 )?;
4537 let visible_end_point = editor.display_to_pixel_point(
4538 DisplayPoint::new(visible_range.end, 0),
4539 editor_snapshot,
4540 window,
4541 )?;
4542
4543 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4544 let (source_display_point, position) = match mouse_context_menu.position {
4545 MenuPosition::PinnedToScreen(point) => (None, point),
4546 MenuPosition::PinnedToEditor { source, offset } => {
4547 let source_display_point = source.to_display_point(editor_snapshot);
4548 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4549 let position = content_origin + source_point + offset;
4550 (Some(source_display_point), position)
4551 }
4552 };
4553
4554 let source_included = source_display_point.map_or(true, |source_display_point| {
4555 visible_range
4556 .to_inclusive()
4557 .contains(&source_display_point.row())
4558 });
4559 let position_included =
4560 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4561 if !source_included && !position_included {
4562 None
4563 } else {
4564 Some(position)
4565 }
4566 })?;
4567
4568 let text_style = TextStyleRefinement {
4569 line_height: Some(DefiniteLength::Fraction(
4570 BufferLineHeight::Comfortable.value(),
4571 )),
4572 ..Default::default()
4573 };
4574 window.with_text_style(Some(text_style), |window| {
4575 let mut element = self.editor.read_with(cx, |editor, _| {
4576 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4577 let context_menu = mouse_context_menu.context_menu.clone();
4578
4579 Some(
4580 deferred(
4581 anchored()
4582 .position(position)
4583 .child(context_menu)
4584 .anchor(Corner::TopLeft)
4585 .snap_to_window_with_margin(px(8.)),
4586 )
4587 .with_priority(1)
4588 .into_any(),
4589 )
4590 })?;
4591
4592 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4593 Some(element)
4594 })
4595 }
4596
4597 fn layout_hover_popovers(
4598 &self,
4599 snapshot: &EditorSnapshot,
4600 hitbox: &Hitbox,
4601 visible_display_row_range: Range<DisplayRow>,
4602 content_origin: gpui::Point<Pixels>,
4603 scroll_pixel_position: gpui::Point<Pixels>,
4604 line_layouts: &[LineWithInvisibles],
4605 line_height: Pixels,
4606 em_width: Pixels,
4607 context_menu_layout: Option<ContextMenuLayout>,
4608 window: &mut Window,
4609 cx: &mut App,
4610 ) {
4611 struct MeasuredHoverPopover {
4612 element: AnyElement,
4613 size: Size<Pixels>,
4614 horizontal_offset: Pixels,
4615 }
4616
4617 let max_size = size(
4618 (120. * em_width) // Default size
4619 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4620 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4621 (16. * line_height) // Default size
4622 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4623 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4624 );
4625
4626 let hover_popovers = self.editor.update(cx, |editor, cx| {
4627 editor.hover_state.render(
4628 snapshot,
4629 visible_display_row_range.clone(),
4630 max_size,
4631 window,
4632 cx,
4633 )
4634 });
4635 let Some((position, hover_popovers)) = hover_popovers else {
4636 return;
4637 };
4638
4639 // This is safe because we check on layout whether the required row is available
4640 let hovered_row_layout =
4641 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
4642
4643 // Compute Hovered Point
4644 let x =
4645 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
4646 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
4647 let hovered_point = content_origin + point(x, y);
4648
4649 let mut overall_height = Pixels::ZERO;
4650 let mut measured_hover_popovers = Vec::new();
4651 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
4652 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
4653 let horizontal_offset =
4654 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
4655 .min(Pixels::ZERO);
4656 match position {
4657 itertools::Position::Middle | itertools::Position::Last => {
4658 overall_height += HOVER_POPOVER_GAP
4659 }
4660 _ => {}
4661 }
4662 overall_height += size.height;
4663 measured_hover_popovers.push(MeasuredHoverPopover {
4664 element: hover_popover,
4665 size,
4666 horizontal_offset,
4667 });
4668 }
4669
4670 fn draw_occluder(
4671 width: Pixels,
4672 origin: gpui::Point<Pixels>,
4673 window: &mut Window,
4674 cx: &mut App,
4675 ) {
4676 let mut occlusion = div()
4677 .size_full()
4678 .occlude()
4679 .on_mouse_move(|_, _, cx| cx.stop_propagation())
4680 .into_any_element();
4681 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
4682 window.defer_draw(occlusion, origin, 2);
4683 }
4684
4685 fn place_popovers_above(
4686 hovered_point: gpui::Point<Pixels>,
4687 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4688 window: &mut Window,
4689 cx: &mut App,
4690 ) {
4691 let mut current_y = hovered_point.y;
4692 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4693 let size = popover.size;
4694 let popover_origin = point(
4695 hovered_point.x + popover.horizontal_offset,
4696 current_y - size.height,
4697 );
4698
4699 window.defer_draw(popover.element, popover_origin, 2);
4700 if position != itertools::Position::Last {
4701 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
4702 draw_occluder(size.width, origin, window, cx);
4703 }
4704
4705 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4706 }
4707 }
4708
4709 fn place_popovers_below(
4710 hovered_point: gpui::Point<Pixels>,
4711 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4712 line_height: Pixels,
4713 window: &mut Window,
4714 cx: &mut App,
4715 ) {
4716 let mut current_y = hovered_point.y + line_height;
4717 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4718 let size = popover.size;
4719 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4720
4721 window.defer_draw(popover.element, popover_origin, 2);
4722 if position != itertools::Position::Last {
4723 let origin = point(popover_origin.x, popover_origin.y + size.height);
4724 draw_occluder(size.width, origin, window, cx);
4725 }
4726
4727 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4728 }
4729 }
4730
4731 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
4732 context_menu_layout
4733 .as_ref()
4734 .map_or(false, |menu| bounds.intersects(&menu.bounds))
4735 };
4736
4737 let can_place_above = {
4738 let mut bounds_above = Vec::new();
4739 let mut current_y = hovered_point.y;
4740 for popover in &measured_hover_popovers {
4741 let size = popover.size;
4742 let popover_origin = point(
4743 hovered_point.x + popover.horizontal_offset,
4744 current_y - size.height,
4745 );
4746 bounds_above.push(Bounds::new(popover_origin, size));
4747 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4748 }
4749 bounds_above
4750 .iter()
4751 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4752 };
4753
4754 let can_place_below = || {
4755 let mut bounds_below = Vec::new();
4756 let mut current_y = hovered_point.y + line_height;
4757 for popover in &measured_hover_popovers {
4758 let size = popover.size;
4759 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4760 bounds_below.push(Bounds::new(popover_origin, size));
4761 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4762 }
4763 bounds_below
4764 .iter()
4765 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4766 };
4767
4768 if can_place_above {
4769 // try placing above hovered point
4770 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4771 } else if can_place_below() {
4772 // try placing below hovered point
4773 place_popovers_below(
4774 hovered_point,
4775 measured_hover_popovers,
4776 line_height,
4777 window,
4778 cx,
4779 );
4780 } else {
4781 // try to place popovers around the context menu
4782 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
4783 let total_width = measured_hover_popovers
4784 .iter()
4785 .map(|p| p.size.width)
4786 .max()
4787 .unwrap_or(Pixels::ZERO);
4788 let y_for_horizontal_positioning = if menu.y_flipped {
4789 menu.bounds.bottom() - overall_height
4790 } else {
4791 menu.bounds.top()
4792 };
4793 let possible_origins = vec![
4794 // left of context menu
4795 point(
4796 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
4797 y_for_horizontal_positioning,
4798 ),
4799 // right of context menu
4800 point(
4801 menu.bounds.right() + HOVER_POPOVER_GAP,
4802 y_for_horizontal_positioning,
4803 ),
4804 // top of context menu
4805 point(
4806 menu.bounds.left(),
4807 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
4808 ),
4809 // bottom of context menu
4810 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
4811 ];
4812 possible_origins.into_iter().find(|&origin| {
4813 Bounds::new(origin, size(total_width, overall_height))
4814 .is_contained_within(hitbox)
4815 })
4816 });
4817 if let Some(origin) = origin_surrounding_menu {
4818 let mut current_y = origin.y;
4819 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4820 let size = popover.size;
4821 let popover_origin = point(origin.x, current_y);
4822
4823 window.defer_draw(popover.element, popover_origin, 2);
4824 if position != itertools::Position::Last {
4825 let origin = point(popover_origin.x, popover_origin.y + size.height);
4826 draw_occluder(size.width, origin, window, cx);
4827 }
4828
4829 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4830 }
4831 } else {
4832 // fallback to existing above/below cursor logic
4833 // this might overlap menu or overflow in rare case
4834 if can_place_above {
4835 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4836 } else {
4837 place_popovers_below(
4838 hovered_point,
4839 measured_hover_popovers,
4840 line_height,
4841 window,
4842 cx,
4843 );
4844 }
4845 }
4846 }
4847 }
4848
4849 fn layout_diff_hunk_controls(
4850 &self,
4851 row_range: Range<DisplayRow>,
4852 row_infos: &[RowInfo],
4853 text_hitbox: &Hitbox,
4854 newest_cursor_position: Option<DisplayPoint>,
4855 line_height: Pixels,
4856 right_margin: Pixels,
4857 scroll_pixel_position: gpui::Point<Pixels>,
4858 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
4859 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
4860 editor: Entity<Editor>,
4861 window: &mut Window,
4862 cx: &mut App,
4863 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
4864 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
4865 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
4866
4867 let mut controls = vec![];
4868 let mut control_bounds = vec![];
4869
4870 let active_positions = [
4871 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
4872 newest_cursor_position,
4873 ];
4874
4875 for (hunk, _) in display_hunks {
4876 if let DisplayDiffHunk::Unfolded {
4877 display_row_range,
4878 multi_buffer_range,
4879 status,
4880 is_created_file,
4881 ..
4882 } = &hunk
4883 {
4884 if display_row_range.start < row_range.start
4885 || display_row_range.start >= row_range.end
4886 {
4887 continue;
4888 }
4889 if highlighted_rows
4890 .get(&display_row_range.start)
4891 .and_then(|highlight| highlight.type_id)
4892 .is_some_and(|type_id| {
4893 [
4894 TypeId::of::<ConflictsOuter>(),
4895 TypeId::of::<ConflictsOursMarker>(),
4896 TypeId::of::<ConflictsOurs>(),
4897 TypeId::of::<ConflictsTheirs>(),
4898 TypeId::of::<ConflictsTheirsMarker>(),
4899 ]
4900 .contains(&type_id)
4901 })
4902 {
4903 continue;
4904 }
4905 let row_ix = (display_row_range.start - row_range.start).0 as usize;
4906 if row_infos[row_ix].diff_status.is_none() {
4907 continue;
4908 }
4909 if row_infos[row_ix]
4910 .diff_status
4911 .is_some_and(|status| status.is_added())
4912 && !status.is_added()
4913 {
4914 continue;
4915 }
4916
4917 if active_positions
4918 .iter()
4919 .any(|p| p.map_or(false, |p| display_row_range.contains(&p.row())))
4920 {
4921 let y = display_row_range.start.as_f32() * line_height
4922 + text_hitbox.bounds.top()
4923 - scroll_pixel_position.y;
4924
4925 let mut element = render_diff_hunk_controls(
4926 display_row_range.start.0,
4927 status,
4928 multi_buffer_range.clone(),
4929 *is_created_file,
4930 line_height,
4931 &editor,
4932 window,
4933 cx,
4934 );
4935 let size =
4936 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
4937
4938 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
4939
4940 let bounds = Bounds::new(gpui::Point::new(x, y), size);
4941 control_bounds.push((display_row_range.start, bounds));
4942
4943 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
4944 element.prepaint(window, cx)
4945 });
4946 controls.push(element);
4947 }
4948 }
4949 }
4950
4951 (controls, control_bounds)
4952 }
4953
4954 fn layout_signature_help(
4955 &self,
4956 hitbox: &Hitbox,
4957 content_origin: gpui::Point<Pixels>,
4958 scroll_pixel_position: gpui::Point<Pixels>,
4959 newest_selection_head: Option<DisplayPoint>,
4960 start_row: DisplayRow,
4961 line_layouts: &[LineWithInvisibles],
4962 line_height: Pixels,
4963 em_width: Pixels,
4964 context_menu_layout: Option<ContextMenuLayout>,
4965 window: &mut Window,
4966 cx: &mut App,
4967 ) {
4968 if !self.editor.focus_handle(cx).is_focused(window) {
4969 return;
4970 }
4971 let Some(newest_selection_head) = newest_selection_head else {
4972 return;
4973 };
4974
4975 let max_size = size(
4976 (120. * em_width) // Default size
4977 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4978 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4979 (16. * line_height) // Default size
4980 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4981 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4982 );
4983
4984 let maybe_element = self.editor.update(cx, |editor, cx| {
4985 if let Some(popover) = editor.signature_help_state.popover_mut() {
4986 let element = popover.render(max_size, cx);
4987 Some(element)
4988 } else {
4989 None
4990 }
4991 });
4992 let Some(mut element) = maybe_element else {
4993 return;
4994 };
4995
4996 let selection_row = newest_selection_head.row();
4997 let Some(cursor_row_layout) = (selection_row >= start_row)
4998 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
4999 .flatten()
5000 else {
5001 return;
5002 };
5003
5004 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5005 - scroll_pixel_position.x;
5006 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5007 let target_point = content_origin + point(target_x, target_y);
5008
5009 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5010
5011 let (popover_bounds_above, popover_bounds_below) = {
5012 let horizontal_offset = (hitbox.top_right().x
5013 - POPOVER_RIGHT_OFFSET
5014 - (target_point.x + actual_size.width))
5015 .min(Pixels::ZERO);
5016 let initial_x = target_point.x + horizontal_offset;
5017 (
5018 Bounds::new(
5019 point(initial_x, target_point.y - actual_size.height),
5020 actual_size,
5021 ),
5022 Bounds::new(
5023 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5024 actual_size,
5025 ),
5026 )
5027 };
5028
5029 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5030 context_menu_layout
5031 .as_ref()
5032 .map_or(false, |menu| bounds.intersects(&menu.bounds))
5033 };
5034
5035 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5036 && !intersects_menu(popover_bounds_above)
5037 {
5038 // try placing above cursor
5039 popover_bounds_above.origin
5040 } else if popover_bounds_below.is_contained_within(hitbox)
5041 && !intersects_menu(popover_bounds_below)
5042 {
5043 // try placing below cursor
5044 popover_bounds_below.origin
5045 } else {
5046 // try surrounding context menu if exists
5047 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5048 let y_for_horizontal_positioning = if menu.y_flipped {
5049 menu.bounds.bottom() - actual_size.height
5050 } else {
5051 menu.bounds.top()
5052 };
5053 let possible_origins = vec![
5054 // left of context menu
5055 point(
5056 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5057 y_for_horizontal_positioning,
5058 ),
5059 // right of context menu
5060 point(
5061 menu.bounds.right() + HOVER_POPOVER_GAP,
5062 y_for_horizontal_positioning,
5063 ),
5064 // top of context menu
5065 point(
5066 menu.bounds.left(),
5067 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5068 ),
5069 // bottom of context menu
5070 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5071 ];
5072 possible_origins
5073 .into_iter()
5074 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5075 });
5076 origin_surrounding_menu.unwrap_or_else(|| {
5077 // fallback to existing above/below cursor logic
5078 // this might overlap menu or overflow in rare case
5079 if popover_bounds_above.is_contained_within(hitbox) {
5080 popover_bounds_above.origin
5081 } else {
5082 popover_bounds_below.origin
5083 }
5084 })
5085 };
5086
5087 window.defer_draw(element, final_origin, 2);
5088 }
5089
5090 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5091 window.paint_layer(layout.hitbox.bounds, |window| {
5092 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5093 let gutter_bg = cx.theme().colors().editor_gutter_background;
5094 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5095 window.paint_quad(fill(
5096 layout.position_map.text_hitbox.bounds,
5097 self.style.background,
5098 ));
5099
5100 if matches!(
5101 layout.mode,
5102 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5103 ) {
5104 let show_active_line_background = match layout.mode {
5105 EditorMode::Full {
5106 show_active_line_background,
5107 ..
5108 } => show_active_line_background,
5109 EditorMode::Minimap { .. } => true,
5110 _ => false,
5111 };
5112 let mut active_rows = layout.active_rows.iter().peekable();
5113 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5114 let mut end_row = start_row.0;
5115 while active_rows
5116 .peek()
5117 .map_or(false, |(active_row, has_selection)| {
5118 active_row.0 == end_row + 1
5119 && has_selection.selection == contains_non_empty_selection.selection
5120 })
5121 {
5122 active_rows.next().unwrap();
5123 end_row += 1;
5124 }
5125
5126 if show_active_line_background && !contains_non_empty_selection.selection {
5127 let highlight_h_range =
5128 match layout.position_map.snapshot.current_line_highlight {
5129 CurrentLineHighlight::Gutter => Some(Range {
5130 start: layout.hitbox.left(),
5131 end: layout.gutter_hitbox.right(),
5132 }),
5133 CurrentLineHighlight::Line => Some(Range {
5134 start: layout.position_map.text_hitbox.bounds.left(),
5135 end: layout.position_map.text_hitbox.bounds.right(),
5136 }),
5137 CurrentLineHighlight::All => Some(Range {
5138 start: layout.hitbox.left(),
5139 end: layout.hitbox.right(),
5140 }),
5141 CurrentLineHighlight::None => None,
5142 };
5143 if let Some(range) = highlight_h_range {
5144 let active_line_bg = cx.theme().colors().editor_active_line_background;
5145 let bounds = Bounds {
5146 origin: point(
5147 range.start,
5148 layout.hitbox.origin.y
5149 + (start_row.as_f32() - scroll_top)
5150 * layout.position_map.line_height,
5151 ),
5152 size: size(
5153 range.end - range.start,
5154 layout.position_map.line_height
5155 * (end_row - start_row.0 + 1) as f32,
5156 ),
5157 };
5158 window.paint_quad(fill(bounds, active_line_bg));
5159 }
5160 }
5161 }
5162
5163 let mut paint_highlight = |highlight_row_start: DisplayRow,
5164 highlight_row_end: DisplayRow,
5165 highlight: crate::LineHighlight,
5166 edges| {
5167 let mut origin_x = layout.hitbox.left();
5168 let mut width = layout.hitbox.size.width;
5169 if !highlight.include_gutter {
5170 origin_x += layout.gutter_hitbox.size.width;
5171 width -= layout.gutter_hitbox.size.width;
5172 }
5173
5174 let origin = point(
5175 origin_x,
5176 layout.hitbox.origin.y
5177 + (highlight_row_start.as_f32() - scroll_top)
5178 * layout.position_map.line_height,
5179 );
5180 let size = size(
5181 width,
5182 layout.position_map.line_height
5183 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5184 );
5185 let mut quad = fill(Bounds { origin, size }, highlight.background);
5186 if let Some(border_color) = highlight.border {
5187 quad.border_color = border_color;
5188 quad.border_widths = edges
5189 }
5190 window.paint_quad(quad);
5191 };
5192
5193 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5194 None;
5195 for (&new_row, &new_background) in &layout.highlighted_rows {
5196 match &mut current_paint {
5197 &mut Some((current_background, ref mut current_range, mut edges)) => {
5198 let new_range_started = current_background != new_background
5199 || current_range.end.next_row() != new_row;
5200 if new_range_started {
5201 if current_range.end.next_row() == new_row {
5202 edges.bottom = px(0.);
5203 };
5204 paint_highlight(
5205 current_range.start,
5206 current_range.end,
5207 current_background,
5208 edges,
5209 );
5210 let edges = Edges {
5211 top: if current_range.end.next_row() != new_row {
5212 px(1.)
5213 } else {
5214 px(0.)
5215 },
5216 bottom: px(1.),
5217 ..Default::default()
5218 };
5219 current_paint = Some((new_background, new_row..new_row, edges));
5220 continue;
5221 } else {
5222 current_range.end = current_range.end.next_row();
5223 }
5224 }
5225 None => {
5226 let edges = Edges {
5227 top: px(1.),
5228 bottom: px(1.),
5229 ..Default::default()
5230 };
5231 current_paint = Some((new_background, new_row..new_row, edges))
5232 }
5233 };
5234 }
5235 if let Some((color, range, edges)) = current_paint {
5236 paint_highlight(range.start, range.end, color, edges);
5237 }
5238
5239 let scroll_left =
5240 layout.position_map.snapshot.scroll_position().x * layout.position_map.em_width;
5241
5242 for (wrap_position, active) in layout.wrap_guides.iter() {
5243 let x = (layout.position_map.text_hitbox.origin.x
5244 + *wrap_position
5245 + layout.position_map.em_width / 2.)
5246 - scroll_left;
5247
5248 let show_scrollbars = layout
5249 .scrollbars_layout
5250 .as_ref()
5251 .map_or(false, |layout| layout.visible);
5252
5253 if x < layout.position_map.text_hitbox.origin.x
5254 || (show_scrollbars && x > self.scrollbar_left(&layout.hitbox.bounds))
5255 {
5256 continue;
5257 }
5258
5259 let color = if *active {
5260 cx.theme().colors().editor_active_wrap_guide
5261 } else {
5262 cx.theme().colors().editor_wrap_guide
5263 };
5264 window.paint_quad(fill(
5265 Bounds {
5266 origin: point(x, layout.position_map.text_hitbox.origin.y),
5267 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5268 },
5269 color,
5270 ));
5271 }
5272 }
5273 })
5274 }
5275
5276 fn paint_indent_guides(
5277 &mut self,
5278 layout: &mut EditorLayout,
5279 window: &mut Window,
5280 cx: &mut App,
5281 ) {
5282 let Some(indent_guides) = &layout.indent_guides else {
5283 return;
5284 };
5285
5286 let faded_color = |color: Hsla, alpha: f32| {
5287 let mut faded = color;
5288 faded.a = alpha;
5289 faded
5290 };
5291
5292 for indent_guide in indent_guides {
5293 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5294 let settings = indent_guide.settings;
5295
5296 // TODO fixed for now, expose them through themes later
5297 const INDENT_AWARE_ALPHA: f32 = 0.2;
5298 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5299 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5300 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5301
5302 let line_color = match (settings.coloring, indent_guide.active) {
5303 (IndentGuideColoring::Disabled, _) => None,
5304 (IndentGuideColoring::Fixed, false) => {
5305 Some(cx.theme().colors().editor_indent_guide)
5306 }
5307 (IndentGuideColoring::Fixed, true) => {
5308 Some(cx.theme().colors().editor_indent_guide_active)
5309 }
5310 (IndentGuideColoring::IndentAware, false) => {
5311 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5312 }
5313 (IndentGuideColoring::IndentAware, true) => {
5314 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5315 }
5316 };
5317
5318 let background_color = match (settings.background_coloring, indent_guide.active) {
5319 (IndentGuideBackgroundColoring::Disabled, _) => None,
5320 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5321 indent_accent_colors,
5322 INDENT_AWARE_BACKGROUND_ALPHA,
5323 )),
5324 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5325 indent_accent_colors,
5326 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5327 )),
5328 };
5329
5330 let requested_line_width = if indent_guide.active {
5331 settings.active_line_width
5332 } else {
5333 settings.line_width
5334 }
5335 .clamp(1, 10);
5336 let mut line_indicator_width = 0.;
5337 if let Some(color) = line_color {
5338 window.paint_quad(fill(
5339 Bounds {
5340 origin: indent_guide.origin,
5341 size: size(px(requested_line_width as f32), indent_guide.length),
5342 },
5343 color,
5344 ));
5345 line_indicator_width = requested_line_width as f32;
5346 }
5347
5348 if let Some(color) = background_color {
5349 let width = indent_guide.single_indent_width - px(line_indicator_width);
5350 window.paint_quad(fill(
5351 Bounds {
5352 origin: point(
5353 indent_guide.origin.x + px(line_indicator_width),
5354 indent_guide.origin.y,
5355 ),
5356 size: size(width, indent_guide.length),
5357 },
5358 color,
5359 ));
5360 }
5361 }
5362 }
5363
5364 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5365 let is_singleton = self.editor.read(cx).is_singleton(cx);
5366
5367 let line_height = layout.position_map.line_height;
5368 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5369
5370 for LineNumberLayout {
5371 shaped_line,
5372 hitbox,
5373 } in layout.line_numbers.values()
5374 {
5375 let Some(hitbox) = hitbox else {
5376 continue;
5377 };
5378
5379 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5380 let color = cx.theme().colors().editor_hover_line_number;
5381
5382 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5383 line.paint(hitbox.origin, line_height, window, cx).log_err()
5384 } else {
5385 shaped_line
5386 .paint(hitbox.origin, line_height, window, cx)
5387 .log_err()
5388 }) else {
5389 continue;
5390 };
5391
5392 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5393 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5394 if is_singleton {
5395 window.set_cursor_style(CursorStyle::IBeam, &hitbox);
5396 } else {
5397 window.set_cursor_style(CursorStyle::PointingHand, &hitbox);
5398 }
5399 }
5400 }
5401
5402 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5403 if layout.display_hunks.is_empty() {
5404 return;
5405 }
5406
5407 let line_height = layout.position_map.line_height;
5408 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5409 for (hunk, hitbox) in &layout.display_hunks {
5410 let hunk_to_paint = match hunk {
5411 DisplayDiffHunk::Folded { .. } => {
5412 let hunk_bounds = Self::diff_hunk_bounds(
5413 &layout.position_map.snapshot,
5414 line_height,
5415 layout.gutter_hitbox.bounds,
5416 &hunk,
5417 );
5418 Some((
5419 hunk_bounds,
5420 cx.theme().colors().version_control_modified,
5421 Corners::all(px(0.)),
5422 DiffHunkStatus::modified_none(),
5423 ))
5424 }
5425 DisplayDiffHunk::Unfolded {
5426 status,
5427 display_row_range,
5428 ..
5429 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5430 DiffHunkStatusKind::Added => (
5431 hunk_hitbox.bounds,
5432 cx.theme().colors().version_control_added,
5433 Corners::all(px(0.)),
5434 *status,
5435 ),
5436 DiffHunkStatusKind::Modified => (
5437 hunk_hitbox.bounds,
5438 cx.theme().colors().version_control_modified,
5439 Corners::all(px(0.)),
5440 *status,
5441 ),
5442 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5443 hunk_hitbox.bounds,
5444 cx.theme().colors().version_control_deleted,
5445 Corners::all(px(0.)),
5446 *status,
5447 ),
5448 DiffHunkStatusKind::Deleted => (
5449 Bounds::new(
5450 point(
5451 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5452 hunk_hitbox.origin.y,
5453 ),
5454 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5455 ),
5456 cx.theme().colors().version_control_deleted,
5457 Corners::all(1. * line_height),
5458 *status,
5459 ),
5460 }),
5461 };
5462
5463 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5464 // Flatten the background color with the editor color to prevent
5465 // elements below transparent hunks from showing through
5466 let flattened_background_color = cx
5467 .theme()
5468 .colors()
5469 .editor_background
5470 .blend(background_color);
5471
5472 if !Self::diff_hunk_hollow(status, cx) {
5473 window.paint_quad(quad(
5474 hunk_bounds,
5475 corner_radii,
5476 flattened_background_color,
5477 Edges::default(),
5478 transparent_black(),
5479 BorderStyle::default(),
5480 ));
5481 } else {
5482 let flattened_unstaged_background_color = cx
5483 .theme()
5484 .colors()
5485 .editor_background
5486 .blend(background_color.opacity(0.3));
5487
5488 window.paint_quad(quad(
5489 hunk_bounds,
5490 corner_radii,
5491 flattened_unstaged_background_color,
5492 Edges::all(Pixels(1.0)),
5493 flattened_background_color,
5494 BorderStyle::Solid,
5495 ));
5496 }
5497 }
5498 }
5499 });
5500 }
5501
5502 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5503 (0.275 * line_height).floor()
5504 }
5505
5506 fn diff_hunk_bounds(
5507 snapshot: &EditorSnapshot,
5508 line_height: Pixels,
5509 gutter_bounds: Bounds<Pixels>,
5510 hunk: &DisplayDiffHunk,
5511 ) -> Bounds<Pixels> {
5512 let scroll_position = snapshot.scroll_position();
5513 let scroll_top = scroll_position.y * line_height;
5514 let gutter_strip_width = Self::gutter_strip_width(line_height);
5515
5516 match hunk {
5517 DisplayDiffHunk::Folded { display_row, .. } => {
5518 let start_y = display_row.as_f32() * line_height - scroll_top;
5519 let end_y = start_y + line_height;
5520 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5521 let highlight_size = size(gutter_strip_width, end_y - start_y);
5522 Bounds::new(highlight_origin, highlight_size)
5523 }
5524 DisplayDiffHunk::Unfolded {
5525 display_row_range,
5526 status,
5527 ..
5528 } => {
5529 if status.is_deleted() && display_row_range.is_empty() {
5530 let row = display_row_range.start;
5531
5532 let offset = line_height / 2.;
5533 let start_y = row.as_f32() * line_height - offset - scroll_top;
5534 let end_y = start_y + line_height;
5535
5536 let width = (0.35 * line_height).floor();
5537 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5538 let highlight_size = size(width, end_y - start_y);
5539 Bounds::new(highlight_origin, highlight_size)
5540 } else {
5541 let start_row = display_row_range.start;
5542 let end_row = display_row_range.end;
5543 // If we're in a multibuffer, row range span might include an
5544 // excerpt header, so if we were to draw the marker straight away,
5545 // the hunk might include the rows of that header.
5546 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5547 // Instead, we simply check whether the range we're dealing with includes
5548 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5549 let end_row_in_current_excerpt = snapshot
5550 .blocks_in_range(start_row..end_row)
5551 .find_map(|(start_row, block)| {
5552 if matches!(block, Block::ExcerptBoundary { .. }) {
5553 Some(start_row)
5554 } else {
5555 None
5556 }
5557 })
5558 .unwrap_or(end_row);
5559
5560 let start_y = start_row.as_f32() * line_height - scroll_top;
5561 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5562
5563 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5564 let highlight_size = size(gutter_strip_width, end_y - start_y);
5565 Bounds::new(highlight_origin, highlight_size)
5566 }
5567 }
5568 }
5569 }
5570
5571 fn paint_gutter_indicators(
5572 &self,
5573 layout: &mut EditorLayout,
5574 window: &mut Window,
5575 cx: &mut App,
5576 ) {
5577 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5578 window.with_element_namespace("crease_toggles", |window| {
5579 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5580 crease_toggle.paint(window, cx);
5581 }
5582 });
5583
5584 window.with_element_namespace("expand_toggles", |window| {
5585 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5586 expand_toggle.paint(window, cx);
5587 }
5588 });
5589
5590 for breakpoint in layout.breakpoints.iter_mut() {
5591 breakpoint.paint(window, cx);
5592 }
5593
5594 for test_indicator in layout.test_indicators.iter_mut() {
5595 test_indicator.paint(window, cx);
5596 }
5597 });
5598 }
5599
5600 fn paint_gutter_highlights(
5601 &self,
5602 layout: &mut EditorLayout,
5603 window: &mut Window,
5604 cx: &mut App,
5605 ) {
5606 for (_, hunk_hitbox) in &layout.display_hunks {
5607 if let Some(hunk_hitbox) = hunk_hitbox {
5608 if !self
5609 .editor
5610 .read(cx)
5611 .buffer()
5612 .read(cx)
5613 .all_diff_hunks_expanded()
5614 {
5615 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5616 }
5617 }
5618 }
5619
5620 let show_git_gutter = layout
5621 .position_map
5622 .snapshot
5623 .show_git_diff_gutter
5624 .unwrap_or_else(|| {
5625 matches!(
5626 ProjectSettings::get_global(cx).git.git_gutter,
5627 Some(GitGutterSetting::TrackedFiles)
5628 )
5629 });
5630 if show_git_gutter {
5631 Self::paint_gutter_diff_hunks(layout, window, cx)
5632 }
5633
5634 let highlight_width = 0.275 * layout.position_map.line_height;
5635 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5636 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5637 for (range, color) in &layout.highlighted_gutter_ranges {
5638 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5639 layout.visible_display_row_range.start - DisplayRow(1)
5640 } else {
5641 range.start.row()
5642 };
5643 let end_row = if range.end.row() > layout.visible_display_row_range.end {
5644 layout.visible_display_row_range.end + DisplayRow(1)
5645 } else {
5646 range.end.row()
5647 };
5648
5649 let start_y = layout.gutter_hitbox.top()
5650 + start_row.0 as f32 * layout.position_map.line_height
5651 - layout.position_map.scroll_pixel_position.y;
5652 let end_y = layout.gutter_hitbox.top()
5653 + (end_row.0 + 1) as f32 * layout.position_map.line_height
5654 - layout.position_map.scroll_pixel_position.y;
5655 let bounds = Bounds::from_corners(
5656 point(layout.gutter_hitbox.left(), start_y),
5657 point(layout.gutter_hitbox.left() + highlight_width, end_y),
5658 );
5659 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
5660 }
5661 });
5662 }
5663
5664 fn paint_blamed_display_rows(
5665 &self,
5666 layout: &mut EditorLayout,
5667 window: &mut Window,
5668 cx: &mut App,
5669 ) {
5670 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
5671 return;
5672 };
5673
5674 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5675 for mut blame_element in blamed_display_rows.into_iter() {
5676 blame_element.paint(window, cx);
5677 }
5678 })
5679 }
5680
5681 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5682 window.with_content_mask(
5683 Some(ContentMask {
5684 bounds: layout.position_map.text_hitbox.bounds,
5685 }),
5686 |window| {
5687 let editor = self.editor.read(cx);
5688 if editor.mouse_cursor_hidden {
5689 window.set_window_cursor_style(CursorStyle::None);
5690 } else if matches!(
5691 editor.selection_drag_state,
5692 SelectionDragState::Dragging { .. }
5693 ) {
5694 window
5695 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
5696 } else if editor
5697 .hovered_link_state
5698 .as_ref()
5699 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
5700 {
5701 window.set_cursor_style(
5702 CursorStyle::PointingHand,
5703 &layout.position_map.text_hitbox,
5704 );
5705 } else {
5706 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
5707 };
5708
5709 self.paint_lines_background(layout, window, cx);
5710 let invisible_display_ranges = self.paint_highlights(layout, window);
5711 self.paint_document_colors(layout, window);
5712 self.paint_lines(&invisible_display_ranges, layout, window, cx);
5713 self.paint_redactions(layout, window);
5714 self.paint_cursors(layout, window, cx);
5715 self.paint_inline_diagnostics(layout, window, cx);
5716 self.paint_inline_blame(layout, window, cx);
5717 self.paint_inline_code_actions(layout, window, cx);
5718 self.paint_diff_hunk_controls(layout, window, cx);
5719 window.with_element_namespace("crease_trailers", |window| {
5720 for trailer in layout.crease_trailers.iter_mut().flatten() {
5721 trailer.element.paint(window, cx);
5722 }
5723 });
5724 },
5725 )
5726 }
5727
5728 fn paint_highlights(
5729 &mut self,
5730 layout: &mut EditorLayout,
5731 window: &mut Window,
5732 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
5733 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5734 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
5735 let line_end_overshoot = 0.15 * layout.position_map.line_height;
5736 for (range, color) in &layout.highlighted_ranges {
5737 self.paint_highlighted_range(
5738 range.clone(),
5739 true,
5740 *color,
5741 Pixels::ZERO,
5742 line_end_overshoot,
5743 layout,
5744 window,
5745 );
5746 }
5747
5748 let corner_radius = 0.15 * layout.position_map.line_height;
5749
5750 for (player_color, selections) in &layout.selections {
5751 for selection in selections.iter() {
5752 self.paint_highlighted_range(
5753 selection.range.clone(),
5754 true,
5755 player_color.selection,
5756 corner_radius,
5757 corner_radius * 2.,
5758 layout,
5759 window,
5760 );
5761
5762 if selection.is_local && !selection.range.is_empty() {
5763 invisible_display_ranges.push(selection.range.clone());
5764 }
5765 }
5766 }
5767 invisible_display_ranges
5768 })
5769 }
5770
5771 fn paint_lines(
5772 &mut self,
5773 invisible_display_ranges: &[Range<DisplayPoint>],
5774 layout: &mut EditorLayout,
5775 window: &mut Window,
5776 cx: &mut App,
5777 ) {
5778 let whitespace_setting = self
5779 .editor
5780 .read(cx)
5781 .buffer
5782 .read(cx)
5783 .language_settings(cx)
5784 .show_whitespaces;
5785
5786 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5787 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5788 line_with_invisibles.draw(
5789 layout,
5790 row,
5791 layout.content_origin,
5792 whitespace_setting,
5793 invisible_display_ranges,
5794 window,
5795 cx,
5796 )
5797 }
5798
5799 for line_element in &mut layout.line_elements {
5800 line_element.paint(window, cx);
5801 }
5802 }
5803
5804 fn paint_lines_background(
5805 &mut self,
5806 layout: &mut EditorLayout,
5807 window: &mut Window,
5808 cx: &mut App,
5809 ) {
5810 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5811 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5812 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
5813 }
5814 }
5815
5816 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
5817 if layout.redacted_ranges.is_empty() {
5818 return;
5819 }
5820
5821 let line_end_overshoot = layout.line_end_overshoot();
5822
5823 // A softer than perfect black
5824 let redaction_color = gpui::rgb(0x0e1111);
5825
5826 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5827 for range in layout.redacted_ranges.iter() {
5828 self.paint_highlighted_range(
5829 range.clone(),
5830 true,
5831 redaction_color.into(),
5832 Pixels::ZERO,
5833 line_end_overshoot,
5834 layout,
5835 window,
5836 );
5837 }
5838 });
5839 }
5840
5841 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
5842 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
5843 return;
5844 };
5845 if image_colors.is_empty()
5846 || colors_render_mode == &DocumentColorsRenderMode::None
5847 || colors_render_mode == &DocumentColorsRenderMode::Inlay
5848 {
5849 return;
5850 }
5851
5852 let line_end_overshoot = layout.line_end_overshoot();
5853
5854 for (range, color) in image_colors {
5855 match colors_render_mode {
5856 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
5857 DocumentColorsRenderMode::Background => {
5858 self.paint_highlighted_range(
5859 range.clone(),
5860 true,
5861 *color,
5862 Pixels::ZERO,
5863 line_end_overshoot,
5864 layout,
5865 window,
5866 );
5867 }
5868 DocumentColorsRenderMode::Border => {
5869 self.paint_highlighted_range(
5870 range.clone(),
5871 false,
5872 *color,
5873 Pixels::ZERO,
5874 line_end_overshoot,
5875 layout,
5876 window,
5877 );
5878 }
5879 }
5880 }
5881 }
5882
5883 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5884 for cursor in &mut layout.visible_cursors {
5885 cursor.paint(layout.content_origin, window, cx);
5886 }
5887 }
5888
5889 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5890 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
5891 return;
5892 };
5893 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
5894
5895 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
5896 let hitbox = &scrollbar_layout.hitbox;
5897 if scrollbars_layout.visible {
5898 let scrollbar_edges = match axis {
5899 ScrollbarAxis::Horizontal => Edges {
5900 top: Pixels::ZERO,
5901 right: Pixels::ZERO,
5902 bottom: Pixels::ZERO,
5903 left: Pixels::ZERO,
5904 },
5905 ScrollbarAxis::Vertical => Edges {
5906 top: Pixels::ZERO,
5907 right: Pixels::ZERO,
5908 bottom: Pixels::ZERO,
5909 left: ScrollbarLayout::BORDER_WIDTH,
5910 },
5911 };
5912
5913 window.paint_layer(hitbox.bounds, |window| {
5914 window.paint_quad(quad(
5915 hitbox.bounds,
5916 Corners::default(),
5917 cx.theme().colors().scrollbar_track_background,
5918 scrollbar_edges,
5919 cx.theme().colors().scrollbar_track_border,
5920 BorderStyle::Solid,
5921 ));
5922
5923 if axis == ScrollbarAxis::Vertical {
5924 let fast_markers =
5925 self.collect_fast_scrollbar_markers(layout, &scrollbar_layout, cx);
5926 // Refresh slow scrollbar markers in the background. Below, we
5927 // paint whatever markers have already been computed.
5928 self.refresh_slow_scrollbar_markers(layout, &scrollbar_layout, window, cx);
5929
5930 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
5931 for marker in markers.iter().chain(&fast_markers) {
5932 let mut marker = marker.clone();
5933 marker.bounds.origin += hitbox.origin;
5934 window.paint_quad(marker);
5935 }
5936 }
5937
5938 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
5939 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
5940 ScrollbarThumbState::Dragging => {
5941 cx.theme().colors().scrollbar_thumb_active_background
5942 }
5943 ScrollbarThumbState::Hovered => {
5944 cx.theme().colors().scrollbar_thumb_hover_background
5945 }
5946 ScrollbarThumbState::Idle => {
5947 cx.theme().colors().scrollbar_thumb_background
5948 }
5949 };
5950 window.paint_quad(quad(
5951 thumb_bounds,
5952 Corners::default(),
5953 scrollbar_thumb_color,
5954 scrollbar_edges,
5955 cx.theme().colors().scrollbar_thumb_border,
5956 BorderStyle::Solid,
5957 ));
5958
5959 if any_scrollbar_dragged {
5960 window.set_window_cursor_style(CursorStyle::Arrow);
5961 } else {
5962 window.set_cursor_style(CursorStyle::Arrow, &hitbox);
5963 }
5964 }
5965 })
5966 }
5967 }
5968
5969 window.on_mouse_event({
5970 let editor = self.editor.clone();
5971 let scrollbars_layout = scrollbars_layout.clone();
5972
5973 let mut mouse_position = window.mouse_position();
5974 move |event: &MouseMoveEvent, phase, window, cx| {
5975 if phase == DispatchPhase::Capture {
5976 return;
5977 }
5978
5979 editor.update(cx, |editor, cx| {
5980 if let Some((scrollbar_layout, axis)) = event
5981 .pressed_button
5982 .filter(|button| *button == MouseButton::Left)
5983 .and(editor.scroll_manager.dragging_scrollbar_axis())
5984 .and_then(|axis| {
5985 scrollbars_layout
5986 .iter_scrollbars()
5987 .find(|(_, a)| *a == axis)
5988 })
5989 {
5990 let ScrollbarLayout {
5991 hitbox,
5992 text_unit_size,
5993 ..
5994 } = scrollbar_layout;
5995
5996 let old_position = mouse_position.along(axis);
5997 let new_position = event.position.along(axis);
5998 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
5999 .contains(&old_position)
6000 {
6001 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6002 (p + (new_position - old_position) / *text_unit_size).max(0.)
6003 });
6004 editor.set_scroll_position(position, window, cx);
6005 }
6006
6007 editor.scroll_manager.show_scrollbars(window, cx);
6008 cx.stop_propagation();
6009 } else if let Some((layout, axis)) = scrollbars_layout
6010 .get_hovered_axis(window)
6011 .filter(|_| !event.dragging())
6012 {
6013 if layout.thumb_hovered(&event.position) {
6014 editor
6015 .scroll_manager
6016 .set_hovered_scroll_thumb_axis(axis, cx);
6017 } else {
6018 editor.scroll_manager.reset_scrollbar_state(cx);
6019 }
6020
6021 editor.scroll_manager.show_scrollbars(window, cx);
6022 } else {
6023 editor.scroll_manager.reset_scrollbar_state(cx);
6024 }
6025
6026 mouse_position = event.position;
6027 })
6028 }
6029 });
6030
6031 if any_scrollbar_dragged {
6032 window.on_mouse_event({
6033 let editor = self.editor.clone();
6034 move |_: &MouseUpEvent, phase, window, cx| {
6035 if phase == DispatchPhase::Capture {
6036 return;
6037 }
6038
6039 editor.update(cx, |editor, cx| {
6040 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6041 editor
6042 .scroll_manager
6043 .set_hovered_scroll_thumb_axis(axis, cx);
6044 } else {
6045 editor.scroll_manager.reset_scrollbar_state(cx);
6046 }
6047 cx.stop_propagation();
6048 });
6049 }
6050 });
6051 } else {
6052 window.on_mouse_event({
6053 let editor = self.editor.clone();
6054
6055 move |event: &MouseDownEvent, phase, window, cx| {
6056 if phase == DispatchPhase::Capture {
6057 return;
6058 }
6059 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6060 else {
6061 return;
6062 };
6063
6064 let ScrollbarLayout {
6065 hitbox,
6066 visible_range,
6067 text_unit_size,
6068 thumb_bounds,
6069 ..
6070 } = scrollbar_layout;
6071
6072 let Some(thumb_bounds) = thumb_bounds else {
6073 return;
6074 };
6075
6076 editor.update(cx, |editor, cx| {
6077 editor
6078 .scroll_manager
6079 .set_dragged_scroll_thumb_axis(axis, cx);
6080
6081 let event_position = event.position.along(axis);
6082
6083 if event_position < thumb_bounds.origin.along(axis)
6084 || thumb_bounds.bottom_right().along(axis) < event_position
6085 {
6086 let center_position = ((event_position - hitbox.origin.along(axis))
6087 / *text_unit_size)
6088 .round() as u32;
6089 let start_position = center_position.saturating_sub(
6090 (visible_range.end - visible_range.start) as u32 / 2,
6091 );
6092
6093 let position = editor
6094 .scroll_position(cx)
6095 .apply_along(axis, |_| start_position as f32);
6096
6097 editor.set_scroll_position(position, window, cx);
6098 } else {
6099 editor.scroll_manager.show_scrollbars(window, cx);
6100 }
6101
6102 cx.stop_propagation();
6103 });
6104 }
6105 });
6106 }
6107 }
6108
6109 fn collect_fast_scrollbar_markers(
6110 &self,
6111 layout: &EditorLayout,
6112 scrollbar_layout: &ScrollbarLayout,
6113 cx: &mut App,
6114 ) -> Vec<PaintQuad> {
6115 const LIMIT: usize = 100;
6116 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6117 return vec![];
6118 }
6119 let cursor_ranges = layout
6120 .cursors
6121 .iter()
6122 .map(|(point, color)| ColoredRange {
6123 start: point.row(),
6124 end: point.row(),
6125 color: *color,
6126 })
6127 .collect_vec();
6128 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6129 }
6130
6131 fn refresh_slow_scrollbar_markers(
6132 &self,
6133 layout: &EditorLayout,
6134 scrollbar_layout: &ScrollbarLayout,
6135 window: &mut Window,
6136 cx: &mut App,
6137 ) {
6138 self.editor.update(cx, |editor, cx| {
6139 if !editor.is_singleton(cx)
6140 || !editor
6141 .scrollbar_marker_state
6142 .should_refresh(scrollbar_layout.hitbox.size)
6143 {
6144 return;
6145 }
6146
6147 let scrollbar_layout = scrollbar_layout.clone();
6148 let background_highlights = editor.background_highlights.clone();
6149 let snapshot = layout.position_map.snapshot.clone();
6150 let theme = cx.theme().clone();
6151 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6152
6153 editor.scrollbar_marker_state.dirty = false;
6154 editor.scrollbar_marker_state.pending_refresh =
6155 Some(cx.spawn_in(window, async move |editor, cx| {
6156 let scrollbar_size = scrollbar_layout.hitbox.size;
6157 let scrollbar_markers = cx
6158 .background_spawn(async move {
6159 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6160 let mut marker_quads = Vec::new();
6161 if scrollbar_settings.git_diff {
6162 let marker_row_ranges =
6163 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6164 let start_display_row =
6165 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6166 .to_display_point(&snapshot.display_snapshot)
6167 .row();
6168 let mut end_display_row =
6169 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6170 .to_display_point(&snapshot.display_snapshot)
6171 .row();
6172 if end_display_row != start_display_row {
6173 end_display_row.0 -= 1;
6174 }
6175 let color = match &hunk.status().kind {
6176 DiffHunkStatusKind::Added => {
6177 theme.colors().version_control_added
6178 }
6179 DiffHunkStatusKind::Modified => {
6180 theme.colors().version_control_modified
6181 }
6182 DiffHunkStatusKind::Deleted => {
6183 theme.colors().version_control_deleted
6184 }
6185 };
6186 ColoredRange {
6187 start: start_display_row,
6188 end: end_display_row,
6189 color,
6190 }
6191 });
6192
6193 marker_quads.extend(
6194 scrollbar_layout
6195 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6196 );
6197 }
6198
6199 for (background_highlight_id, (_, background_ranges)) in
6200 background_highlights.iter()
6201 {
6202 let is_search_highlights = *background_highlight_id
6203 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6204 let is_text_highlights = *background_highlight_id
6205 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6206 let is_symbol_occurrences = *background_highlight_id
6207 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6208 || *background_highlight_id
6209 == HighlightKey::Type(
6210 TypeId::of::<DocumentHighlightWrite>(),
6211 );
6212 if (is_search_highlights && scrollbar_settings.search_results)
6213 || (is_text_highlights && scrollbar_settings.selected_text)
6214 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6215 {
6216 let mut color = theme.status().info;
6217 if is_symbol_occurrences {
6218 color.fade_out(0.5);
6219 }
6220 let marker_row_ranges = background_ranges.iter().map(|range| {
6221 let display_start = range
6222 .start
6223 .to_display_point(&snapshot.display_snapshot);
6224 let display_end =
6225 range.end.to_display_point(&snapshot.display_snapshot);
6226 ColoredRange {
6227 start: display_start.row(),
6228 end: display_end.row(),
6229 color,
6230 }
6231 });
6232 marker_quads.extend(
6233 scrollbar_layout
6234 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6235 );
6236 }
6237 }
6238
6239 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6240 let diagnostics = snapshot
6241 .buffer_snapshot
6242 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6243 // Don't show diagnostics the user doesn't care about
6244 .filter(|diagnostic| {
6245 match (
6246 scrollbar_settings.diagnostics,
6247 diagnostic.diagnostic.severity,
6248 ) {
6249 (ScrollbarDiagnostics::All, _) => true,
6250 (
6251 ScrollbarDiagnostics::Error,
6252 lsp::DiagnosticSeverity::ERROR,
6253 ) => true,
6254 (
6255 ScrollbarDiagnostics::Warning,
6256 lsp::DiagnosticSeverity::ERROR
6257 | lsp::DiagnosticSeverity::WARNING,
6258 ) => true,
6259 (
6260 ScrollbarDiagnostics::Information,
6261 lsp::DiagnosticSeverity::ERROR
6262 | lsp::DiagnosticSeverity::WARNING
6263 | lsp::DiagnosticSeverity::INFORMATION,
6264 ) => true,
6265 (_, _) => false,
6266 }
6267 })
6268 // We want to sort by severity, in order to paint the most severe diagnostics last.
6269 .sorted_by_key(|diagnostic| {
6270 std::cmp::Reverse(diagnostic.diagnostic.severity)
6271 });
6272
6273 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6274 let start_display = diagnostic
6275 .range
6276 .start
6277 .to_display_point(&snapshot.display_snapshot);
6278 let end_display = diagnostic
6279 .range
6280 .end
6281 .to_display_point(&snapshot.display_snapshot);
6282 let color = match diagnostic.diagnostic.severity {
6283 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6284 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6285 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6286 _ => theme.status().hint,
6287 };
6288 ColoredRange {
6289 start: start_display.row(),
6290 end: end_display.row(),
6291 color,
6292 }
6293 });
6294 marker_quads.extend(
6295 scrollbar_layout
6296 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6297 );
6298 }
6299
6300 Arc::from(marker_quads)
6301 })
6302 .await;
6303
6304 editor.update(cx, |editor, cx| {
6305 editor.scrollbar_marker_state.markers = scrollbar_markers;
6306 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6307 editor.scrollbar_marker_state.pending_refresh = None;
6308 cx.notify();
6309 })?;
6310
6311 Ok(())
6312 }));
6313 });
6314 }
6315
6316 fn paint_highlighted_range(
6317 &self,
6318 range: Range<DisplayPoint>,
6319 fill: bool,
6320 color: Hsla,
6321 corner_radius: Pixels,
6322 line_end_overshoot: Pixels,
6323 layout: &EditorLayout,
6324 window: &mut Window,
6325 ) {
6326 let start_row = layout.visible_display_row_range.start;
6327 let end_row = layout.visible_display_row_range.end;
6328 if range.start != range.end {
6329 let row_range = if range.end.column() == 0 {
6330 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6331 } else {
6332 cmp::max(range.start.row(), start_row)
6333 ..cmp::min(range.end.row().next_row(), end_row)
6334 };
6335
6336 let highlighted_range = HighlightedRange {
6337 color,
6338 line_height: layout.position_map.line_height,
6339 corner_radius,
6340 start_y: layout.content_origin.y
6341 + row_range.start.as_f32() * layout.position_map.line_height
6342 - layout.position_map.scroll_pixel_position.y,
6343 lines: row_range
6344 .iter_rows()
6345 .map(|row| {
6346 let line_layout =
6347 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6348 HighlightedRangeLine {
6349 start_x: if row == range.start.row() {
6350 layout.content_origin.x
6351 + line_layout.x_for_index(range.start.column() as usize)
6352 - layout.position_map.scroll_pixel_position.x
6353 } else {
6354 layout.content_origin.x
6355 - layout.position_map.scroll_pixel_position.x
6356 },
6357 end_x: if row == range.end.row() {
6358 layout.content_origin.x
6359 + line_layout.x_for_index(range.end.column() as usize)
6360 - layout.position_map.scroll_pixel_position.x
6361 } else {
6362 layout.content_origin.x + line_layout.width + line_end_overshoot
6363 - layout.position_map.scroll_pixel_position.x
6364 },
6365 }
6366 })
6367 .collect(),
6368 };
6369
6370 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6371 }
6372 }
6373
6374 fn paint_inline_diagnostics(
6375 &mut self,
6376 layout: &mut EditorLayout,
6377 window: &mut Window,
6378 cx: &mut App,
6379 ) {
6380 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6381 inline_diagnostic.1.paint(window, cx);
6382 }
6383 }
6384
6385 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6386 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6387 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6388 blame_layout.element.paint(window, cx);
6389 })
6390 }
6391 }
6392
6393 fn paint_inline_code_actions(
6394 &mut self,
6395 layout: &mut EditorLayout,
6396 window: &mut Window,
6397 cx: &mut App,
6398 ) {
6399 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6400 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6401 inline_code_actions.paint(window, cx);
6402 })
6403 }
6404 }
6405
6406 fn paint_diff_hunk_controls(
6407 &mut self,
6408 layout: &mut EditorLayout,
6409 window: &mut Window,
6410 cx: &mut App,
6411 ) {
6412 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6413 diff_hunk_control.paint(window, cx);
6414 }
6415 }
6416
6417 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6418 if let Some(mut layout) = layout.minimap.take() {
6419 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6420 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6421
6422 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6423 window.with_element_namespace("minimap", |window| {
6424 layout.minimap.paint(window, cx);
6425 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6426 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6427 ScrollbarThumbState::Idle => {
6428 cx.theme().colors().minimap_thumb_background
6429 }
6430 ScrollbarThumbState::Hovered => {
6431 cx.theme().colors().minimap_thumb_hover_background
6432 }
6433 ScrollbarThumbState::Dragging => {
6434 cx.theme().colors().minimap_thumb_active_background
6435 }
6436 };
6437 let minimap_thumb_border = match layout.thumb_border_style {
6438 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6439 MinimapThumbBorder::LeftOnly => Edges {
6440 left: ScrollbarLayout::BORDER_WIDTH,
6441 ..Default::default()
6442 },
6443 MinimapThumbBorder::LeftOpen => Edges {
6444 right: ScrollbarLayout::BORDER_WIDTH,
6445 top: ScrollbarLayout::BORDER_WIDTH,
6446 bottom: ScrollbarLayout::BORDER_WIDTH,
6447 ..Default::default()
6448 },
6449 MinimapThumbBorder::RightOpen => Edges {
6450 left: ScrollbarLayout::BORDER_WIDTH,
6451 top: ScrollbarLayout::BORDER_WIDTH,
6452 bottom: ScrollbarLayout::BORDER_WIDTH,
6453 ..Default::default()
6454 },
6455 MinimapThumbBorder::None => Default::default(),
6456 };
6457
6458 window.paint_layer(minimap_hitbox.bounds, |window| {
6459 window.paint_quad(quad(
6460 thumb_bounds,
6461 Corners::default(),
6462 minimap_thumb_color,
6463 minimap_thumb_border,
6464 cx.theme().colors().minimap_thumb_border,
6465 BorderStyle::Solid,
6466 ));
6467 });
6468 }
6469 });
6470 });
6471
6472 if dragging_minimap {
6473 window.set_window_cursor_style(CursorStyle::Arrow);
6474 } else {
6475 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6476 }
6477
6478 let minimap_axis = ScrollbarAxis::Vertical;
6479 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6480 .min(layout.minimap_line_height);
6481
6482 let mut mouse_position = window.mouse_position();
6483
6484 window.on_mouse_event({
6485 let editor = self.editor.clone();
6486
6487 let minimap_hitbox = minimap_hitbox.clone();
6488
6489 move |event: &MouseMoveEvent, phase, window, cx| {
6490 if phase == DispatchPhase::Capture {
6491 return;
6492 }
6493
6494 editor.update(cx, |editor, cx| {
6495 if event.pressed_button == Some(MouseButton::Left)
6496 && editor.scroll_manager.is_dragging_minimap()
6497 {
6498 let old_position = mouse_position.along(minimap_axis);
6499 let new_position = event.position.along(minimap_axis);
6500 if (minimap_hitbox.origin.along(minimap_axis)
6501 ..minimap_hitbox.bottom_right().along(minimap_axis))
6502 .contains(&old_position)
6503 {
6504 let position =
6505 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6506 (p + (new_position - old_position) / pixels_per_line)
6507 .max(0.)
6508 });
6509 editor.set_scroll_position(position, window, cx);
6510 }
6511 cx.stop_propagation();
6512 } else {
6513 if minimap_hitbox.is_hovered(window) {
6514 editor.scroll_manager.set_is_hovering_minimap_thumb(
6515 !event.dragging()
6516 && layout
6517 .thumb_layout
6518 .thumb_bounds
6519 .is_some_and(|bounds| bounds.contains(&event.position)),
6520 cx,
6521 );
6522
6523 // Stop hover events from propagating to the
6524 // underlying editor if the minimap hitbox is hovered
6525 if !event.dragging() {
6526 cx.stop_propagation();
6527 }
6528 } else {
6529 editor.scroll_manager.hide_minimap_thumb(cx);
6530 }
6531 }
6532 mouse_position = event.position;
6533 });
6534 }
6535 });
6536
6537 if dragging_minimap {
6538 window.on_mouse_event({
6539 let editor = self.editor.clone();
6540 move |event: &MouseUpEvent, phase, window, cx| {
6541 if phase == DispatchPhase::Capture {
6542 return;
6543 }
6544
6545 editor.update(cx, |editor, cx| {
6546 if minimap_hitbox.is_hovered(window) {
6547 editor.scroll_manager.set_is_hovering_minimap_thumb(
6548 layout
6549 .thumb_layout
6550 .thumb_bounds
6551 .is_some_and(|bounds| bounds.contains(&event.position)),
6552 cx,
6553 );
6554 } else {
6555 editor.scroll_manager.hide_minimap_thumb(cx);
6556 }
6557 cx.stop_propagation();
6558 });
6559 }
6560 });
6561 } else {
6562 window.on_mouse_event({
6563 let editor = self.editor.clone();
6564
6565 move |event: &MouseDownEvent, phase, window, cx| {
6566 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6567 return;
6568 }
6569
6570 let event_position = event.position;
6571
6572 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6573 return;
6574 };
6575
6576 editor.update(cx, |editor, cx| {
6577 if !thumb_bounds.contains(&event_position) {
6578 let click_position =
6579 event_position.relative_to(&minimap_hitbox.origin).y;
6580
6581 let top_position = (click_position
6582 - thumb_bounds.size.along(minimap_axis) / 2.0)
6583 .max(Pixels::ZERO);
6584
6585 let scroll_offset = (layout.minimap_scroll_top
6586 + top_position / layout.minimap_line_height)
6587 .min(layout.max_scroll_top);
6588
6589 let scroll_position = editor
6590 .scroll_position(cx)
6591 .apply_along(minimap_axis, |_| scroll_offset);
6592 editor.set_scroll_position(scroll_position, window, cx);
6593 }
6594
6595 editor.scroll_manager.set_is_dragging_minimap(cx);
6596 cx.stop_propagation();
6597 });
6598 }
6599 });
6600 }
6601 }
6602 }
6603
6604 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6605 for mut block in layout.blocks.drain(..) {
6606 if block.overlaps_gutter {
6607 block.element.paint(window, cx);
6608 } else {
6609 let mut bounds = layout.hitbox.bounds;
6610 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6611 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6612 block.element.paint(window, cx);
6613 })
6614 }
6615 }
6616 }
6617
6618 fn paint_inline_completion_popover(
6619 &mut self,
6620 layout: &mut EditorLayout,
6621 window: &mut Window,
6622 cx: &mut App,
6623 ) {
6624 if let Some(inline_completion_popover) = layout.inline_completion_popover.as_mut() {
6625 inline_completion_popover.paint(window, cx);
6626 }
6627 }
6628
6629 fn paint_mouse_context_menu(
6630 &mut self,
6631 layout: &mut EditorLayout,
6632 window: &mut Window,
6633 cx: &mut App,
6634 ) {
6635 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
6636 mouse_context_menu.paint(window, cx);
6637 }
6638 }
6639
6640 fn paint_scroll_wheel_listener(
6641 &mut self,
6642 layout: &EditorLayout,
6643 window: &mut Window,
6644 cx: &mut App,
6645 ) {
6646 window.on_mouse_event({
6647 let position_map = layout.position_map.clone();
6648 let editor = self.editor.clone();
6649 let hitbox = layout.hitbox.clone();
6650 let mut delta = ScrollDelta::default();
6651
6652 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
6653 // accidentally turn off their scrolling.
6654 let base_scroll_sensitivity =
6655 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
6656
6657 // Use a minimum fast_scroll_sensitivity for same reason above
6658 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
6659 .fast_scroll_sensitivity
6660 .max(0.01);
6661
6662 move |event: &ScrollWheelEvent, phase, window, cx| {
6663 let scroll_sensitivity = {
6664 if event.modifiers.alt {
6665 fast_scroll_sensitivity
6666 } else {
6667 base_scroll_sensitivity
6668 }
6669 };
6670
6671 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
6672 delta = delta.coalesce(event.delta);
6673 editor.update(cx, |editor, cx| {
6674 let position_map: &PositionMap = &position_map;
6675
6676 let line_height = position_map.line_height;
6677 let max_glyph_width = position_map.em_width;
6678 let (delta, axis) = match delta {
6679 gpui::ScrollDelta::Pixels(mut pixels) => {
6680 //Trackpad
6681 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
6682 (pixels, axis)
6683 }
6684
6685 gpui::ScrollDelta::Lines(lines) => {
6686 //Not trackpad
6687 let pixels =
6688 point(lines.x * max_glyph_width, lines.y * line_height);
6689 (pixels, None)
6690 }
6691 };
6692
6693 let current_scroll_position = position_map.snapshot.scroll_position();
6694 let x = (current_scroll_position.x * max_glyph_width
6695 - (delta.x * scroll_sensitivity))
6696 / max_glyph_width;
6697 let y = (current_scroll_position.y * line_height
6698 - (delta.y * scroll_sensitivity))
6699 / line_height;
6700 let mut scroll_position =
6701 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
6702 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
6703 if forbid_vertical_scroll {
6704 scroll_position.y = current_scroll_position.y;
6705 }
6706
6707 if scroll_position != current_scroll_position {
6708 editor.scroll(scroll_position, axis, window, cx);
6709 cx.stop_propagation();
6710 } else if y < 0. {
6711 // Due to clamping, we may fail to detect cases of overscroll to the top;
6712 // We want the scroll manager to get an update in such cases and detect the change of direction
6713 // on the next frame.
6714 cx.notify();
6715 }
6716 });
6717 }
6718 }
6719 });
6720 }
6721
6722 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
6723 if self.editor.read(cx).mode.is_minimap() {
6724 return;
6725 }
6726
6727 self.paint_scroll_wheel_listener(layout, window, cx);
6728
6729 window.on_mouse_event({
6730 let position_map = layout.position_map.clone();
6731 let editor = self.editor.clone();
6732 let diff_hunk_range =
6733 layout
6734 .display_hunks
6735 .iter()
6736 .find_map(|(hunk, hunk_hitbox)| match hunk {
6737 DisplayDiffHunk::Folded { .. } => None,
6738 DisplayDiffHunk::Unfolded {
6739 multi_buffer_range, ..
6740 } => {
6741 if hunk_hitbox
6742 .as_ref()
6743 .map(|hitbox| hitbox.is_hovered(window))
6744 .unwrap_or(false)
6745 {
6746 Some(multi_buffer_range.clone())
6747 } else {
6748 None
6749 }
6750 }
6751 });
6752 let line_numbers = layout.line_numbers.clone();
6753
6754 move |event: &MouseDownEvent, phase, window, cx| {
6755 if phase == DispatchPhase::Bubble {
6756 match event.button {
6757 MouseButton::Left => editor.update(cx, |editor, cx| {
6758 let pending_mouse_down = editor
6759 .pending_mouse_down
6760 .get_or_insert_with(Default::default)
6761 .clone();
6762
6763 *pending_mouse_down.borrow_mut() = Some(event.clone());
6764
6765 Self::mouse_left_down(
6766 editor,
6767 event,
6768 diff_hunk_range.clone(),
6769 &position_map,
6770 line_numbers.as_ref(),
6771 window,
6772 cx,
6773 );
6774 }),
6775 MouseButton::Right => editor.update(cx, |editor, cx| {
6776 Self::mouse_right_down(editor, event, &position_map, window, cx);
6777 }),
6778 MouseButton::Middle => editor.update(cx, |editor, cx| {
6779 Self::mouse_middle_down(editor, event, &position_map, window, cx);
6780 }),
6781 _ => {}
6782 };
6783 }
6784 }
6785 });
6786
6787 window.on_mouse_event({
6788 let editor = self.editor.clone();
6789 let position_map = layout.position_map.clone();
6790
6791 move |event: &MouseUpEvent, phase, window, cx| {
6792 if phase == DispatchPhase::Bubble {
6793 editor.update(cx, |editor, cx| {
6794 Self::mouse_up(editor, event, &position_map, window, cx)
6795 });
6796 }
6797 }
6798 });
6799
6800 window.on_mouse_event({
6801 let editor = self.editor.clone();
6802 let position_map = layout.position_map.clone();
6803 let mut captured_mouse_down = None;
6804
6805 move |event: &MouseUpEvent, phase, window, cx| match phase {
6806 // Clear the pending mouse down during the capture phase,
6807 // so that it happens even if another event handler stops
6808 // propagation.
6809 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
6810 let pending_mouse_down = editor
6811 .pending_mouse_down
6812 .get_or_insert_with(Default::default)
6813 .clone();
6814
6815 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
6816 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
6817 captured_mouse_down = pending_mouse_down.take();
6818 window.refresh();
6819 }
6820 }),
6821 // Fire click handlers during the bubble phase.
6822 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
6823 if let Some(mouse_down) = captured_mouse_down.take() {
6824 let event = ClickEvent {
6825 down: mouse_down,
6826 up: event.clone(),
6827 };
6828 Self::click(editor, &event, &position_map, window, cx);
6829 }
6830 }),
6831 }
6832 });
6833
6834 window.on_mouse_event({
6835 let position_map = layout.position_map.clone();
6836 let editor = self.editor.clone();
6837
6838 move |event: &MouseMoveEvent, phase, window, cx| {
6839 if phase == DispatchPhase::Bubble {
6840 editor.update(cx, |editor, cx| {
6841 if editor.hover_state.focused(window, cx) {
6842 return;
6843 }
6844 if event.pressed_button == Some(MouseButton::Left)
6845 || event.pressed_button == Some(MouseButton::Middle)
6846 {
6847 Self::mouse_dragged(editor, event, &position_map, window, cx)
6848 }
6849
6850 Self::mouse_moved(editor, event, &position_map, window, cx)
6851 });
6852 }
6853 }
6854 });
6855 }
6856
6857 fn scrollbar_left(&self, bounds: &Bounds<Pixels>) -> Pixels {
6858 bounds.top_right().x - self.style.scrollbar_width
6859 }
6860
6861 fn column_pixels(&self, column: usize, window: &mut Window, _: &mut App) -> Pixels {
6862 let style = &self.style;
6863 let font_size = style.text.font_size.to_pixels(window.rem_size());
6864 let layout = window.text_system().shape_line(
6865 SharedString::from(" ".repeat(column)),
6866 font_size,
6867 &[TextRun {
6868 len: column,
6869 font: style.text.font(),
6870 color: Hsla::default(),
6871 background_color: None,
6872 underline: None,
6873 strikethrough: None,
6874 }],
6875 );
6876
6877 layout.width
6878 }
6879
6880 fn max_line_number_width(
6881 &self,
6882 snapshot: &EditorSnapshot,
6883 window: &mut Window,
6884 cx: &mut App,
6885 ) -> Pixels {
6886 let digit_count = snapshot.widest_line_number().ilog10() + 1;
6887 self.column_pixels(digit_count as usize, window, cx)
6888 }
6889
6890 fn shape_line_number(
6891 &self,
6892 text: SharedString,
6893 color: Hsla,
6894 window: &mut Window,
6895 ) -> ShapedLine {
6896 let run = TextRun {
6897 len: text.len(),
6898 font: self.style.text.font(),
6899 color,
6900 background_color: None,
6901 underline: None,
6902 strikethrough: None,
6903 };
6904 window.text_system().shape_line(
6905 text,
6906 self.style.text.font_size.to_pixels(window.rem_size()),
6907 &[run],
6908 )
6909 }
6910
6911 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
6912 let unstaged = status.has_secondary_hunk();
6913 let unstaged_hollow = ProjectSettings::get_global(cx)
6914 .git
6915 .hunk_style
6916 .map_or(false, |style| {
6917 matches!(style, GitHunkStyleSetting::UnstagedHollow)
6918 });
6919
6920 unstaged == unstaged_hollow
6921 }
6922}
6923
6924fn header_jump_data(
6925 snapshot: &EditorSnapshot,
6926 block_row_start: DisplayRow,
6927 height: u32,
6928 for_excerpt: &ExcerptInfo,
6929) -> JumpData {
6930 let range = &for_excerpt.range;
6931 let buffer = &for_excerpt.buffer;
6932 let jump_anchor = range.primary.start;
6933
6934 let excerpt_start = range.context.start;
6935 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
6936 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
6937 0
6938 } else {
6939 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
6940 jump_position.row.saturating_sub(excerpt_start_point.row)
6941 };
6942
6943 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
6944 .saturating_sub(
6945 snapshot
6946 .scroll_anchor
6947 .scroll_position(&snapshot.display_snapshot)
6948 .y as u32,
6949 );
6950
6951 JumpData::MultiBufferPoint {
6952 excerpt_id: for_excerpt.id,
6953 anchor: jump_anchor,
6954 position: jump_position,
6955 line_offset_from_top,
6956 }
6957}
6958
6959pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
6960
6961impl AcceptEditPredictionBinding {
6962 pub fn keystroke(&self) -> Option<&Keystroke> {
6963 if let Some(binding) = self.0.as_ref() {
6964 match &binding.keystrokes() {
6965 [keystroke, ..] => Some(keystroke),
6966 _ => None,
6967 }
6968 } else {
6969 None
6970 }
6971 }
6972}
6973
6974fn prepaint_gutter_button(
6975 button: IconButton,
6976 row: DisplayRow,
6977 line_height: Pixels,
6978 gutter_dimensions: &GutterDimensions,
6979 scroll_pixel_position: gpui::Point<Pixels>,
6980 gutter_hitbox: &Hitbox,
6981 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
6982 window: &mut Window,
6983 cx: &mut App,
6984) -> AnyElement {
6985 let mut button = button.into_any_element();
6986
6987 let available_space = size(
6988 AvailableSpace::MinContent,
6989 AvailableSpace::Definite(line_height),
6990 );
6991 let indicator_size = button.layout_as_root(available_space, window, cx);
6992
6993 let blame_width = gutter_dimensions.git_blame_entries_width;
6994 let gutter_width = display_hunks
6995 .binary_search_by(|(hunk, _)| match hunk {
6996 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
6997 DisplayDiffHunk::Unfolded {
6998 display_row_range, ..
6999 } => {
7000 if display_row_range.end <= row {
7001 Ordering::Less
7002 } else if display_row_range.start > row {
7003 Ordering::Greater
7004 } else {
7005 Ordering::Equal
7006 }
7007 }
7008 })
7009 .ok()
7010 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7011 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7012
7013 let mut x = left_offset;
7014 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7015 - indicator_size.width
7016 - left_offset;
7017 x += available_width / 2.;
7018
7019 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7020 y += (line_height - indicator_size.height) / 2.;
7021
7022 button.prepaint_as_root(
7023 gutter_hitbox.origin + point(x, y),
7024 available_space,
7025 window,
7026 cx,
7027 );
7028 button
7029}
7030
7031fn render_inline_blame_entry(
7032 blame_entry: BlameEntry,
7033 style: &EditorStyle,
7034 cx: &mut App,
7035) -> Option<AnyElement> {
7036 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7037 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7038}
7039
7040fn render_blame_entry_popover(
7041 blame_entry: BlameEntry,
7042 scroll_handle: ScrollHandle,
7043 commit_message: Option<ParsedCommitMessage>,
7044 markdown: Entity<Markdown>,
7045 workspace: WeakEntity<Workspace>,
7046 blame: &Entity<GitBlame>,
7047 window: &mut Window,
7048 cx: &mut App,
7049) -> Option<AnyElement> {
7050 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7051 let blame = blame.read(cx);
7052 let repository = blame.repository(cx)?.clone();
7053 renderer.render_blame_entry_popover(
7054 blame_entry,
7055 scroll_handle,
7056 commit_message,
7057 markdown,
7058 repository,
7059 workspace,
7060 window,
7061 cx,
7062 )
7063}
7064
7065fn render_blame_entry(
7066 ix: usize,
7067 blame: &Entity<GitBlame>,
7068 blame_entry: BlameEntry,
7069 style: &EditorStyle,
7070 last_used_color: &mut Option<(PlayerColor, Oid)>,
7071 editor: Entity<Editor>,
7072 workspace: Entity<Workspace>,
7073 renderer: Arc<dyn BlameRenderer>,
7074 cx: &mut App,
7075) -> Option<AnyElement> {
7076 let mut sha_color = cx
7077 .theme()
7078 .players()
7079 .color_for_participant(blame_entry.sha.into());
7080
7081 // If the last color we used is the same as the one we get for this line, but
7082 // the commit SHAs are different, then we try again to get a different color.
7083 match *last_used_color {
7084 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7085 let index: u32 = blame_entry.sha.into();
7086 sha_color = cx.theme().players().color_for_participant(index + 1);
7087 }
7088 _ => {}
7089 };
7090 last_used_color.replace((sha_color, blame_entry.sha));
7091
7092 let blame = blame.read(cx);
7093 let details = blame.details_for_entry(&blame_entry);
7094 let repository = blame.repository(cx)?;
7095 renderer.render_blame_entry(
7096 &style.text,
7097 blame_entry,
7098 details,
7099 repository,
7100 workspace.downgrade(),
7101 editor,
7102 ix,
7103 sha_color.cursor,
7104 cx,
7105 )
7106}
7107
7108#[derive(Debug)]
7109pub(crate) struct LineWithInvisibles {
7110 fragments: SmallVec<[LineFragment; 1]>,
7111 invisibles: Vec<Invisible>,
7112 len: usize,
7113 pub(crate) width: Pixels,
7114 font_size: Pixels,
7115}
7116
7117enum LineFragment {
7118 Text(ShapedLine),
7119 Element {
7120 id: FoldId,
7121 element: Option<AnyElement>,
7122 size: Size<Pixels>,
7123 len: usize,
7124 },
7125}
7126
7127impl fmt::Debug for LineFragment {
7128 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7129 match self {
7130 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7131 LineFragment::Element { size, len, .. } => f
7132 .debug_struct("Element")
7133 .field("size", size)
7134 .field("len", len)
7135 .finish(),
7136 }
7137 }
7138}
7139
7140impl LineWithInvisibles {
7141 fn from_chunks<'a>(
7142 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7143 editor_style: &EditorStyle,
7144 max_line_len: usize,
7145 max_line_count: usize,
7146 editor_mode: &EditorMode,
7147 text_width: Pixels,
7148 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7149 window: &mut Window,
7150 cx: &mut App,
7151 ) -> Vec<Self> {
7152 let text_style = &editor_style.text;
7153 let mut layouts = Vec::with_capacity(max_line_count);
7154 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7155 let mut line = String::new();
7156 let mut invisibles = Vec::new();
7157 let mut width = Pixels::ZERO;
7158 let mut len = 0;
7159 let mut styles = Vec::new();
7160 let mut non_whitespace_added = false;
7161 let mut row = 0;
7162 let mut line_exceeded_max_len = false;
7163 let font_size = text_style.font_size.to_pixels(window.rem_size());
7164
7165 let ellipsis = SharedString::from("⋯");
7166
7167 for highlighted_chunk in chunks.chain([HighlightedChunk {
7168 text: "\n",
7169 style: None,
7170 is_tab: false,
7171 is_inlay: false,
7172 replacement: None,
7173 }]) {
7174 if let Some(replacement) = highlighted_chunk.replacement {
7175 if !line.is_empty() {
7176 let shaped_line =
7177 window
7178 .text_system()
7179 .shape_line(line.clone().into(), font_size, &styles);
7180 width += shaped_line.width;
7181 len += shaped_line.len;
7182 fragments.push(LineFragment::Text(shaped_line));
7183 line.clear();
7184 styles.clear();
7185 }
7186
7187 match replacement {
7188 ChunkReplacement::Renderer(renderer) => {
7189 let available_width = if renderer.constrain_width {
7190 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7191 ellipsis.clone()
7192 } else {
7193 SharedString::from(Arc::from(highlighted_chunk.text))
7194 };
7195 let shaped_line = window.text_system().shape_line(
7196 chunk,
7197 font_size,
7198 &[text_style.to_run(highlighted_chunk.text.len())],
7199 );
7200 AvailableSpace::Definite(shaped_line.width)
7201 } else {
7202 AvailableSpace::MinContent
7203 };
7204
7205 let mut element = (renderer.render)(&mut ChunkRendererContext {
7206 context: cx,
7207 window,
7208 max_width: text_width,
7209 });
7210 let line_height = text_style.line_height_in_pixels(window.rem_size());
7211 let size = element.layout_as_root(
7212 size(available_width, AvailableSpace::Definite(line_height)),
7213 window,
7214 cx,
7215 );
7216
7217 width += size.width;
7218 len += highlighted_chunk.text.len();
7219 fragments.push(LineFragment::Element {
7220 id: renderer.id,
7221 element: Some(element),
7222 size,
7223 len: highlighted_chunk.text.len(),
7224 });
7225 }
7226 ChunkReplacement::Str(x) => {
7227 let text_style = if let Some(style) = highlighted_chunk.style {
7228 Cow::Owned(text_style.clone().highlight(style))
7229 } else {
7230 Cow::Borrowed(text_style)
7231 };
7232
7233 let run = TextRun {
7234 len: x.len(),
7235 font: text_style.font(),
7236 color: text_style.color,
7237 background_color: text_style.background_color,
7238 underline: text_style.underline,
7239 strikethrough: text_style.strikethrough,
7240 };
7241 let line_layout = window
7242 .text_system()
7243 .shape_line(x, font_size, &[run])
7244 .with_len(highlighted_chunk.text.len());
7245
7246 width += line_layout.width;
7247 len += highlighted_chunk.text.len();
7248 fragments.push(LineFragment::Text(line_layout))
7249 }
7250 }
7251 } else {
7252 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7253 if ix > 0 {
7254 let shaped_line = window.text_system().shape_line(
7255 line.clone().into(),
7256 font_size,
7257 &styles,
7258 );
7259 width += shaped_line.width;
7260 len += shaped_line.len;
7261 fragments.push(LineFragment::Text(shaped_line));
7262 layouts.push(Self {
7263 width: mem::take(&mut width),
7264 len: mem::take(&mut len),
7265 fragments: mem::take(&mut fragments),
7266 invisibles: std::mem::take(&mut invisibles),
7267 font_size,
7268 });
7269
7270 line.clear();
7271 styles.clear();
7272 row += 1;
7273 line_exceeded_max_len = false;
7274 non_whitespace_added = false;
7275 if row == max_line_count {
7276 return layouts;
7277 }
7278 }
7279
7280 if !line_chunk.is_empty() && !line_exceeded_max_len {
7281 let text_style = if let Some(style) = highlighted_chunk.style {
7282 Cow::Owned(text_style.clone().highlight(style))
7283 } else {
7284 Cow::Borrowed(text_style)
7285 };
7286
7287 if line.len() + line_chunk.len() > max_line_len {
7288 let mut chunk_len = max_line_len - line.len();
7289 while !line_chunk.is_char_boundary(chunk_len) {
7290 chunk_len -= 1;
7291 }
7292 line_chunk = &line_chunk[..chunk_len];
7293 line_exceeded_max_len = true;
7294 }
7295
7296 styles.push(TextRun {
7297 len: line_chunk.len(),
7298 font: text_style.font(),
7299 color: text_style.color,
7300 background_color: text_style.background_color,
7301 underline: text_style.underline,
7302 strikethrough: text_style.strikethrough,
7303 });
7304
7305 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7306 // Line wrap pads its contents with fake whitespaces,
7307 // avoid printing them
7308 let is_soft_wrapped = is_row_soft_wrapped(row);
7309 if highlighted_chunk.is_tab {
7310 if non_whitespace_added || !is_soft_wrapped {
7311 invisibles.push(Invisible::Tab {
7312 line_start_offset: line.len(),
7313 line_end_offset: line.len() + line_chunk.len(),
7314 });
7315 }
7316 } else {
7317 invisibles.extend(line_chunk.char_indices().filter_map(
7318 |(index, c)| {
7319 let is_whitespace = c.is_whitespace();
7320 non_whitespace_added |= !is_whitespace;
7321 if is_whitespace
7322 && (non_whitespace_added || !is_soft_wrapped)
7323 {
7324 Some(Invisible::Whitespace {
7325 line_offset: line.len() + index,
7326 })
7327 } else {
7328 None
7329 }
7330 },
7331 ))
7332 }
7333 }
7334
7335 line.push_str(line_chunk);
7336 }
7337 }
7338 }
7339 }
7340
7341 layouts
7342 }
7343
7344 fn prepaint(
7345 &mut self,
7346 line_height: Pixels,
7347 scroll_pixel_position: gpui::Point<Pixels>,
7348 row: DisplayRow,
7349 content_origin: gpui::Point<Pixels>,
7350 line_elements: &mut SmallVec<[AnyElement; 1]>,
7351 window: &mut Window,
7352 cx: &mut App,
7353 ) {
7354 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7355 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7356 for fragment in &mut self.fragments {
7357 match fragment {
7358 LineFragment::Text(line) => {
7359 fragment_origin.x += line.width;
7360 }
7361 LineFragment::Element { element, size, .. } => {
7362 let mut element = element
7363 .take()
7364 .expect("you can't prepaint LineWithInvisibles twice");
7365
7366 // Center the element vertically within the line.
7367 let mut element_origin = fragment_origin;
7368 element_origin.y += (line_height - size.height) / 2.;
7369 element.prepaint_at(element_origin, window, cx);
7370 line_elements.push(element);
7371
7372 fragment_origin.x += size.width;
7373 }
7374 }
7375 }
7376 }
7377
7378 fn draw(
7379 &self,
7380 layout: &EditorLayout,
7381 row: DisplayRow,
7382 content_origin: gpui::Point<Pixels>,
7383 whitespace_setting: ShowWhitespaceSetting,
7384 selection_ranges: &[Range<DisplayPoint>],
7385 window: &mut Window,
7386 cx: &mut App,
7387 ) {
7388 let line_height = layout.position_map.line_height;
7389 let line_y = line_height
7390 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7391
7392 let mut fragment_origin =
7393 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7394
7395 for fragment in &self.fragments {
7396 match fragment {
7397 LineFragment::Text(line) => {
7398 line.paint(fragment_origin, line_height, window, cx)
7399 .log_err();
7400 fragment_origin.x += line.width;
7401 }
7402 LineFragment::Element { size, .. } => {
7403 fragment_origin.x += size.width;
7404 }
7405 }
7406 }
7407
7408 self.draw_invisibles(
7409 selection_ranges,
7410 layout,
7411 content_origin,
7412 line_y,
7413 row,
7414 line_height,
7415 whitespace_setting,
7416 window,
7417 cx,
7418 );
7419 }
7420
7421 fn draw_background(
7422 &self,
7423 layout: &EditorLayout,
7424 row: DisplayRow,
7425 content_origin: gpui::Point<Pixels>,
7426 window: &mut Window,
7427 cx: &mut App,
7428 ) {
7429 let line_height = layout.position_map.line_height;
7430 let line_y = line_height
7431 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7432
7433 let mut fragment_origin =
7434 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7435
7436 for fragment in &self.fragments {
7437 match fragment {
7438 LineFragment::Text(line) => {
7439 line.paint_background(fragment_origin, line_height, window, cx)
7440 .log_err();
7441 fragment_origin.x += line.width;
7442 }
7443 LineFragment::Element { size, .. } => {
7444 fragment_origin.x += size.width;
7445 }
7446 }
7447 }
7448 }
7449
7450 fn draw_invisibles(
7451 &self,
7452 selection_ranges: &[Range<DisplayPoint>],
7453 layout: &EditorLayout,
7454 content_origin: gpui::Point<Pixels>,
7455 line_y: Pixels,
7456 row: DisplayRow,
7457 line_height: Pixels,
7458 whitespace_setting: ShowWhitespaceSetting,
7459 window: &mut Window,
7460 cx: &mut App,
7461 ) {
7462 let extract_whitespace_info = |invisible: &Invisible| {
7463 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7464 Invisible::Tab {
7465 line_start_offset,
7466 line_end_offset,
7467 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7468 Invisible::Whitespace { line_offset } => {
7469 (*line_offset, line_offset + 1, &layout.space_invisible)
7470 }
7471 };
7472
7473 let x_offset = self.x_for_index(token_offset);
7474 let invisible_offset =
7475 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7476 let origin = content_origin
7477 + gpui::point(
7478 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7479 line_y,
7480 );
7481
7482 (
7483 [token_offset, token_end_offset],
7484 Box::new(move |window: &mut Window, cx: &mut App| {
7485 invisible_symbol
7486 .paint(origin, line_height, window, cx)
7487 .log_err();
7488 }),
7489 )
7490 };
7491
7492 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7493 match whitespace_setting {
7494 ShowWhitespaceSetting::None => (),
7495 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7496 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7497 let invisible_point = DisplayPoint::new(row, start as u32);
7498 if !selection_ranges
7499 .iter()
7500 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7501 {
7502 return;
7503 }
7504
7505 paint(window, cx);
7506 }),
7507
7508 ShowWhitespaceSetting::Trailing => {
7509 let mut previous_start = self.len;
7510 for ([start, end], paint) in invisible_iter.rev() {
7511 if previous_start != end {
7512 break;
7513 }
7514 previous_start = start;
7515 paint(window, cx);
7516 }
7517 }
7518
7519 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7520 // - It is a tab
7521 // - It is adjacent to an edge (start or end)
7522 // - It is adjacent to a whitespace (left or right)
7523 ShowWhitespaceSetting::Boundary => {
7524 // We'll need to keep track of the last invisible we've seen and then check if we are adjacent to it for some of
7525 // the above cases.
7526 // Note: We zip in the original `invisibles` to check for tab equality
7527 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7528 for (([start, end], paint), invisible) in
7529 invisible_iter.zip_eq(self.invisibles.iter())
7530 {
7531 let should_render = match (&last_seen, invisible) {
7532 (_, Invisible::Tab { .. }) => true,
7533 (Some((_, last_end, _)), _) => *last_end == start,
7534 _ => false,
7535 };
7536
7537 if should_render || start == 0 || end == self.len {
7538 paint(window, cx);
7539
7540 // Since we are scanning from the left, we will skip over the first available whitespace that is part
7541 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
7542 if let Some((should_render_last, last_end, paint_last)) = last_seen {
7543 // Note that we need to make sure that the last one is actually adjacent
7544 if !should_render_last && last_end == start {
7545 paint_last(window, cx);
7546 }
7547 }
7548 }
7549
7550 // Manually render anything within a selection
7551 let invisible_point = DisplayPoint::new(row, start as u32);
7552 if selection_ranges.iter().any(|region| {
7553 region.start <= invisible_point && invisible_point < region.end
7554 }) {
7555 paint(window, cx);
7556 }
7557
7558 last_seen = Some((should_render, end, paint));
7559 }
7560 }
7561 }
7562 }
7563
7564 pub fn x_for_index(&self, index: usize) -> Pixels {
7565 let mut fragment_start_x = Pixels::ZERO;
7566 let mut fragment_start_index = 0;
7567
7568 for fragment in &self.fragments {
7569 match fragment {
7570 LineFragment::Text(shaped_line) => {
7571 let fragment_end_index = fragment_start_index + shaped_line.len;
7572 if index < fragment_end_index {
7573 return fragment_start_x
7574 + shaped_line.x_for_index(index - fragment_start_index);
7575 }
7576 fragment_start_x += shaped_line.width;
7577 fragment_start_index = fragment_end_index;
7578 }
7579 LineFragment::Element { len, size, .. } => {
7580 let fragment_end_index = fragment_start_index + len;
7581 if index < fragment_end_index {
7582 return fragment_start_x;
7583 }
7584 fragment_start_x += size.width;
7585 fragment_start_index = fragment_end_index;
7586 }
7587 }
7588 }
7589
7590 fragment_start_x
7591 }
7592
7593 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
7594 let mut fragment_start_x = Pixels::ZERO;
7595 let mut fragment_start_index = 0;
7596
7597 for fragment in &self.fragments {
7598 match fragment {
7599 LineFragment::Text(shaped_line) => {
7600 let fragment_end_x = fragment_start_x + shaped_line.width;
7601 if x < fragment_end_x {
7602 return Some(
7603 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
7604 );
7605 }
7606 fragment_start_x = fragment_end_x;
7607 fragment_start_index += shaped_line.len;
7608 }
7609 LineFragment::Element { len, size, .. } => {
7610 let fragment_end_x = fragment_start_x + size.width;
7611 if x < fragment_end_x {
7612 return Some(fragment_start_index);
7613 }
7614 fragment_start_index += len;
7615 fragment_start_x = fragment_end_x;
7616 }
7617 }
7618 }
7619
7620 None
7621 }
7622
7623 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
7624 let mut fragment_start_index = 0;
7625
7626 for fragment in &self.fragments {
7627 match fragment {
7628 LineFragment::Text(shaped_line) => {
7629 let fragment_end_index = fragment_start_index + shaped_line.len;
7630 if index < fragment_end_index {
7631 return shaped_line.font_id_for_index(index - fragment_start_index);
7632 }
7633 fragment_start_index = fragment_end_index;
7634 }
7635 LineFragment::Element { len, .. } => {
7636 let fragment_end_index = fragment_start_index + len;
7637 if index < fragment_end_index {
7638 return None;
7639 }
7640 fragment_start_index = fragment_end_index;
7641 }
7642 }
7643 }
7644
7645 None
7646 }
7647}
7648
7649#[derive(Debug, Clone, Copy, PartialEq, Eq)]
7650enum Invisible {
7651 /// A tab character
7652 ///
7653 /// A tab character is internally represented by spaces (configured by the user's tab width)
7654 /// aligned to the nearest column, so it's necessary to store the start and end offset for
7655 /// adjacency checks.
7656 Tab {
7657 line_start_offset: usize,
7658 line_end_offset: usize,
7659 },
7660 Whitespace {
7661 line_offset: usize,
7662 },
7663}
7664
7665impl EditorElement {
7666 /// Returns the rem size to use when rendering the [`EditorElement`].
7667 ///
7668 /// This allows UI elements to scale based on the `buffer_font_size`.
7669 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
7670 match self.editor.read(cx).mode {
7671 EditorMode::Full {
7672 scale_ui_elements_with_buffer_font_size: true,
7673 ..
7674 }
7675 | EditorMode::Minimap { .. } => {
7676 let buffer_font_size = self.style.text.font_size;
7677 match buffer_font_size {
7678 AbsoluteLength::Pixels(pixels) => {
7679 let rem_size_scale = {
7680 // Our default UI font size is 14px on a 16px base scale.
7681 // This means the default UI font size is 0.875rems.
7682 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
7683
7684 // We then determine the delta between a single rem and the default font
7685 // size scale.
7686 let default_font_size_delta = 1. - default_font_size_scale;
7687
7688 // Finally, we add this delta to 1rem to get the scale factor that
7689 // should be used to scale up the UI.
7690 1. + default_font_size_delta
7691 };
7692
7693 Some(pixels * rem_size_scale)
7694 }
7695 AbsoluteLength::Rems(rems) => {
7696 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
7697 }
7698 }
7699 }
7700 // We currently use single-line and auto-height editors in UI contexts,
7701 // so we don't want to scale everything with the buffer font size, as it
7702 // ends up looking off.
7703 _ => None,
7704 }
7705 }
7706
7707 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
7708 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
7709 parent.upgrade()
7710 } else {
7711 Some(self.editor.clone())
7712 }
7713 }
7714}
7715
7716impl Element for EditorElement {
7717 type RequestLayoutState = ();
7718 type PrepaintState = EditorLayout;
7719
7720 fn id(&self) -> Option<ElementId> {
7721 None
7722 }
7723
7724 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
7725 None
7726 }
7727
7728 fn request_layout(
7729 &mut self,
7730 _: Option<&GlobalElementId>,
7731 _inspector_id: Option<&gpui::InspectorElementId>,
7732 window: &mut Window,
7733 cx: &mut App,
7734 ) -> (gpui::LayoutId, ()) {
7735 let rem_size = self.rem_size(cx);
7736 window.with_rem_size(rem_size, |window| {
7737 self.editor.update(cx, |editor, cx| {
7738 editor.set_style(self.style.clone(), window, cx);
7739
7740 let layout_id = match editor.mode {
7741 EditorMode::SingleLine { auto_width } => {
7742 let rem_size = window.rem_size();
7743
7744 let height = self.style.text.line_height_in_pixels(rem_size);
7745 if auto_width {
7746 let editor_handle = cx.entity().clone();
7747 let style = self.style.clone();
7748 window.request_measured_layout(
7749 Style::default(),
7750 move |_, _, window, cx| {
7751 let editor_snapshot = editor_handle
7752 .update(cx, |editor, cx| editor.snapshot(window, cx));
7753 let line = Self::layout_lines(
7754 DisplayRow(0)..DisplayRow(1),
7755 &editor_snapshot,
7756 &style,
7757 px(f32::MAX),
7758 |_| false, // Single lines never soft wrap
7759 window,
7760 cx,
7761 )
7762 .pop()
7763 .unwrap();
7764
7765 let font_id =
7766 window.text_system().resolve_font(&style.text.font());
7767 let font_size =
7768 style.text.font_size.to_pixels(window.rem_size());
7769 let em_width =
7770 window.text_system().em_width(font_id, font_size).unwrap();
7771
7772 size(line.width + em_width, height)
7773 },
7774 )
7775 } else {
7776 let mut style = Style::default();
7777 style.size.height = height.into();
7778 style.size.width = relative(1.).into();
7779 window.request_layout(style, None, cx)
7780 }
7781 }
7782 EditorMode::AutoHeight {
7783 min_lines,
7784 max_lines,
7785 } => {
7786 let editor_handle = cx.entity().clone();
7787 let max_line_number_width =
7788 self.max_line_number_width(&editor.snapshot(window, cx), window, cx);
7789 window.request_measured_layout(
7790 Style::default(),
7791 move |known_dimensions, available_space, window, cx| {
7792 editor_handle
7793 .update(cx, |editor, cx| {
7794 compute_auto_height_layout(
7795 editor,
7796 min_lines,
7797 max_lines,
7798 max_line_number_width,
7799 known_dimensions,
7800 available_space.width,
7801 window,
7802 cx,
7803 )
7804 })
7805 .unwrap_or_default()
7806 },
7807 )
7808 }
7809 EditorMode::Minimap { .. } => {
7810 let mut style = Style::default();
7811 style.size.width = relative(1.).into();
7812 style.size.height = relative(1.).into();
7813 window.request_layout(style, None, cx)
7814 }
7815 EditorMode::Full {
7816 sized_by_content, ..
7817 } => {
7818 let mut style = Style::default();
7819 style.size.width = relative(1.).into();
7820 if sized_by_content {
7821 let snapshot = editor.snapshot(window, cx);
7822 let line_height =
7823 self.style.text.line_height_in_pixels(window.rem_size());
7824 let scroll_height =
7825 (snapshot.max_point().row().next_row().0 as f32) * line_height;
7826 style.size.height = scroll_height.into();
7827 } else {
7828 style.size.height = relative(1.).into();
7829 }
7830 window.request_layout(style, None, cx)
7831 }
7832 };
7833
7834 (layout_id, ())
7835 })
7836 })
7837 }
7838
7839 fn prepaint(
7840 &mut self,
7841 _: Option<&GlobalElementId>,
7842 _inspector_id: Option<&gpui::InspectorElementId>,
7843 bounds: Bounds<Pixels>,
7844 _: &mut Self::RequestLayoutState,
7845 window: &mut Window,
7846 cx: &mut App,
7847 ) -> Self::PrepaintState {
7848 let text_style = TextStyleRefinement {
7849 font_size: Some(self.style.text.font_size),
7850 line_height: Some(self.style.text.line_height),
7851 ..Default::default()
7852 };
7853 let focus_handle = self.editor.focus_handle(cx);
7854 window.set_view_id(self.editor.entity_id());
7855 window.set_focus_handle(&focus_handle, cx);
7856
7857 let rem_size = self.rem_size(cx);
7858 window.with_rem_size(rem_size, |window| {
7859 window.with_text_style(Some(text_style), |window| {
7860 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7861 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
7862 (editor.snapshot(window, cx), editor.read_only(cx))
7863 });
7864 let style = self.style.clone();
7865
7866 let rem_size = window.rem_size();
7867 let font_id = window.text_system().resolve_font(&style.text.font());
7868 let font_size = style.text.font_size.to_pixels(rem_size);
7869 let line_height = style.text.line_height_in_pixels(rem_size);
7870 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
7871 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
7872 let glyph_grid_cell = size(em_advance, line_height);
7873
7874 let gutter_dimensions = snapshot
7875 .gutter_dimensions(
7876 font_id,
7877 font_size,
7878 self.max_line_number_width(&snapshot, window, cx),
7879 cx,
7880 )
7881 .or_else(|| {
7882 self.editor.read(cx).offset_content.then(|| {
7883 GutterDimensions::default_with_margin(font_id, font_size, cx)
7884 })
7885 })
7886 .unwrap_or_default();
7887 let text_width = bounds.size.width - gutter_dimensions.width;
7888
7889 let settings = EditorSettings::get_global(cx);
7890 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
7891 let vertical_scrollbar_width = (scrollbars_shown
7892 && settings.scrollbar.axes.vertical
7893 && self.editor.read(cx).show_scrollbars.vertical)
7894 .then_some(style.scrollbar_width)
7895 .unwrap_or_default();
7896 let minimap_width = self
7897 .get_minimap_width(
7898 &settings.minimap,
7899 scrollbars_shown,
7900 text_width,
7901 em_width,
7902 font_size,
7903 rem_size,
7904 cx,
7905 )
7906 .unwrap_or_default();
7907
7908 let right_margin = minimap_width + vertical_scrollbar_width;
7909
7910 let editor_width =
7911 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
7912 let editor_margins = EditorMargins {
7913 gutter: gutter_dimensions,
7914 right: right_margin,
7915 };
7916
7917 // Offset the content_bounds from the text_bounds by the gutter margin (which
7918 // is roughly half a character wide) to make hit testing work more like how we want.
7919 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
7920
7921 let editor_content_width = editor_width - content_offset.x;
7922
7923 snapshot = self.editor.update(cx, |editor, cx| {
7924 editor.last_bounds = Some(bounds);
7925 editor.gutter_dimensions = gutter_dimensions;
7926 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
7927
7928 if matches!(
7929 editor.mode,
7930 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
7931 ) {
7932 snapshot
7933 } else {
7934 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
7935 let wrap_width = match editor.soft_wrap_mode(cx) {
7936 SoftWrap::GitDiff => None,
7937 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
7938 SoftWrap::EditorWidth => Some(editor_content_width),
7939 SoftWrap::Column(column) => Some(wrap_width_for(column)),
7940 SoftWrap::Bounded(column) => {
7941 Some(editor_content_width.min(wrap_width_for(column)))
7942 }
7943 };
7944
7945 if editor.set_wrap_width(wrap_width, cx) {
7946 editor.snapshot(window, cx)
7947 } else {
7948 snapshot
7949 }
7950 }
7951 });
7952
7953 let wrap_guides = self
7954 .editor
7955 .read(cx)
7956 .wrap_guides(cx)
7957 .iter()
7958 .map(|(guide, active)| (self.column_pixels(*guide, window, cx), *active))
7959 .collect::<SmallVec<[_; 2]>>();
7960
7961 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
7962 let gutter_hitbox = window.insert_hitbox(
7963 gutter_bounds(bounds, gutter_dimensions),
7964 HitboxBehavior::Normal,
7965 );
7966 let text_hitbox = window.insert_hitbox(
7967 Bounds {
7968 origin: gutter_hitbox.top_right(),
7969 size: size(text_width, bounds.size.height),
7970 },
7971 HitboxBehavior::Normal,
7972 );
7973
7974 let content_origin = text_hitbox.origin + content_offset;
7975
7976 let editor_text_bounds =
7977 Bounds::from_corners(content_origin, bounds.bottom_right());
7978
7979 let height_in_lines = editor_text_bounds.size.height / line_height;
7980
7981 let max_row = snapshot.max_point().row().as_f32();
7982
7983 // The max scroll position for the top of the window
7984 let max_scroll_top = if matches!(
7985 snapshot.mode,
7986 EditorMode::SingleLine { .. }
7987 | EditorMode::AutoHeight { .. }
7988 | EditorMode::Full {
7989 sized_by_content: true,
7990 ..
7991 }
7992 ) {
7993 (max_row - height_in_lines + 1.).max(0.)
7994 } else {
7995 let settings = EditorSettings::get_global(cx);
7996 match settings.scroll_beyond_last_line {
7997 ScrollBeyondLastLine::OnePage => max_row,
7998 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
7999 ScrollBeyondLastLine::VerticalScrollMargin => {
8000 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8001 .max(0.)
8002 }
8003 }
8004 };
8005
8006 // TODO: Autoscrolling for both axes
8007 let mut autoscroll_request = None;
8008 let mut autoscroll_containing_element = false;
8009 let mut autoscroll_horizontally = false;
8010 self.editor.update(cx, |editor, cx| {
8011 autoscroll_request = editor.autoscroll_request();
8012 autoscroll_containing_element =
8013 autoscroll_request.is_some() || editor.has_pending_selection();
8014 // TODO: Is this horizontal or vertical?!
8015 autoscroll_horizontally = editor.autoscroll_vertically(
8016 bounds,
8017 line_height,
8018 max_scroll_top,
8019 window,
8020 cx,
8021 );
8022 snapshot = editor.snapshot(window, cx);
8023 });
8024
8025 let mut scroll_position = snapshot.scroll_position();
8026 // The scroll position is a fractional point, the whole number of which represents
8027 // the top of the window in terms of display rows.
8028 let start_row = DisplayRow(scroll_position.y as u32);
8029 let max_row = snapshot.max_point().row();
8030 let end_row = cmp::min(
8031 (scroll_position.y + height_in_lines).ceil() as u32,
8032 max_row.next_row().0,
8033 );
8034 let end_row = DisplayRow(end_row);
8035
8036 let row_infos = snapshot
8037 .row_infos(start_row)
8038 .take((start_row..end_row).len())
8039 .collect::<Vec<RowInfo>>();
8040 let is_row_soft_wrapped = |row: usize| {
8041 row_infos
8042 .get(row)
8043 .map_or(true, |info| info.buffer_row.is_none())
8044 };
8045
8046 let start_anchor = if start_row == Default::default() {
8047 Anchor::min()
8048 } else {
8049 snapshot.buffer_snapshot.anchor_before(
8050 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8051 )
8052 };
8053 let end_anchor = if end_row > max_row {
8054 Anchor::max()
8055 } else {
8056 snapshot.buffer_snapshot.anchor_before(
8057 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8058 )
8059 };
8060
8061 let mut highlighted_rows = self
8062 .editor
8063 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8064
8065 let is_light = cx.theme().appearance().is_light();
8066
8067 for (ix, row_info) in row_infos.iter().enumerate() {
8068 let Some(diff_status) = row_info.diff_status else {
8069 continue;
8070 };
8071
8072 let background_color = match diff_status.kind {
8073 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8074 DiffHunkStatusKind::Deleted => {
8075 cx.theme().colors().version_control_deleted
8076 }
8077 DiffHunkStatusKind::Modified => {
8078 debug_panic!("modified diff status for row info");
8079 continue;
8080 }
8081 };
8082
8083 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8084
8085 let hollow_highlight = LineHighlight {
8086 background: (background_color.opacity(if is_light {
8087 0.08
8088 } else {
8089 0.06
8090 }))
8091 .into(),
8092 border: Some(if is_light {
8093 background_color.opacity(0.48)
8094 } else {
8095 background_color.opacity(0.36)
8096 }),
8097 include_gutter: true,
8098 type_id: None,
8099 };
8100
8101 let filled_highlight = LineHighlight {
8102 background: solid_background(background_color.opacity(hunk_opacity)),
8103 border: None,
8104 include_gutter: true,
8105 type_id: None,
8106 };
8107
8108 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8109 hollow_highlight
8110 } else {
8111 filled_highlight
8112 };
8113
8114 highlighted_rows
8115 .entry(start_row + DisplayRow(ix as u32))
8116 .or_insert(background);
8117 }
8118
8119 let highlighted_ranges = self
8120 .editor_with_selections(cx)
8121 .map(|editor| {
8122 editor.read(cx).background_highlights_in_range(
8123 start_anchor..end_anchor,
8124 &snapshot.display_snapshot,
8125 cx.theme(),
8126 )
8127 })
8128 .unwrap_or_default();
8129 let highlighted_gutter_ranges =
8130 self.editor.read(cx).gutter_highlights_in_range(
8131 start_anchor..end_anchor,
8132 &snapshot.display_snapshot,
8133 cx,
8134 );
8135
8136 let document_colors = self
8137 .editor
8138 .read(cx)
8139 .colors
8140 .as_ref()
8141 .map(|colors| colors.editor_display_highlights(&snapshot));
8142 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8143 start_anchor..end_anchor,
8144 &snapshot.display_snapshot,
8145 cx,
8146 );
8147
8148 let (local_selections, selected_buffer_ids): (
8149 Vec<Selection<Point>>,
8150 Vec<BufferId>,
8151 ) = self
8152 .editor_with_selections(cx)
8153 .map(|editor| {
8154 editor.update(cx, |editor, cx| {
8155 let all_selections = editor.selections.all::<Point>(cx);
8156 let selected_buffer_ids = if editor.is_singleton(cx) {
8157 Vec::new()
8158 } else {
8159 let mut selected_buffer_ids =
8160 Vec::with_capacity(all_selections.len());
8161
8162 for selection in all_selections {
8163 for buffer_id in snapshot
8164 .buffer_snapshot
8165 .buffer_ids_for_range(selection.range())
8166 {
8167 if selected_buffer_ids.last() != Some(&buffer_id) {
8168 selected_buffer_ids.push(buffer_id);
8169 }
8170 }
8171 }
8172
8173 selected_buffer_ids
8174 };
8175
8176 let mut selections = editor
8177 .selections
8178 .disjoint_in_range(start_anchor..end_anchor, cx);
8179 selections.extend(editor.selections.pending(cx));
8180
8181 (selections, selected_buffer_ids)
8182 })
8183 })
8184 .unwrap_or_default();
8185
8186 let (selections, mut active_rows, newest_selection_head) = self
8187 .layout_selections(
8188 start_anchor,
8189 end_anchor,
8190 &local_selections,
8191 &snapshot,
8192 start_row,
8193 end_row,
8194 window,
8195 cx,
8196 );
8197 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8198 editor.active_breakpoints(start_row..end_row, window, cx)
8199 });
8200 for (display_row, (_, bp, state)) in &breakpoint_rows {
8201 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8202 active_rows.entry(*display_row).or_default().breakpoint = true;
8203 }
8204 }
8205
8206 let line_numbers = self.layout_line_numbers(
8207 Some(&gutter_hitbox),
8208 gutter_dimensions,
8209 line_height,
8210 scroll_position,
8211 start_row..end_row,
8212 &row_infos,
8213 &active_rows,
8214 newest_selection_head,
8215 &snapshot,
8216 window,
8217 cx,
8218 );
8219
8220 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8221 // line numbers so we don't paint a line number debug accent color if a user
8222 // has their mouse over that line when a breakpoint isn't there
8223 self.editor.update(cx, |editor, _| {
8224 if let Some(phantom_breakpoint) = &mut editor
8225 .gutter_breakpoint_indicator
8226 .0
8227 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8228 {
8229 // Is there a non-phantom breakpoint on this line?
8230 phantom_breakpoint.collides_with_existing_breakpoint = true;
8231 breakpoint_rows
8232 .entry(phantom_breakpoint.display_row)
8233 .or_insert_with(|| {
8234 let position = snapshot.display_point_to_anchor(
8235 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8236 Bias::Right,
8237 );
8238 let breakpoint = Breakpoint::new_standard();
8239 phantom_breakpoint.collides_with_existing_breakpoint = false;
8240 (position, breakpoint, None)
8241 });
8242 }
8243 });
8244
8245 let mut expand_toggles =
8246 window.with_element_namespace("expand_toggles", |window| {
8247 self.layout_expand_toggles(
8248 &gutter_hitbox,
8249 gutter_dimensions,
8250 em_width,
8251 line_height,
8252 scroll_position,
8253 &row_infos,
8254 window,
8255 cx,
8256 )
8257 });
8258
8259 let mut crease_toggles =
8260 window.with_element_namespace("crease_toggles", |window| {
8261 self.layout_crease_toggles(
8262 start_row..end_row,
8263 &row_infos,
8264 &active_rows,
8265 &snapshot,
8266 window,
8267 cx,
8268 )
8269 });
8270 let crease_trailers =
8271 window.with_element_namespace("crease_trailers", |window| {
8272 self.layout_crease_trailers(
8273 row_infos.iter().copied(),
8274 &snapshot,
8275 window,
8276 cx,
8277 )
8278 });
8279
8280 let display_hunks = self.layout_gutter_diff_hunks(
8281 line_height,
8282 &gutter_hitbox,
8283 start_row..end_row,
8284 &snapshot,
8285 window,
8286 cx,
8287 );
8288
8289 let mut line_layouts = Self::layout_lines(
8290 start_row..end_row,
8291 &snapshot,
8292 &self.style,
8293 editor_width,
8294 is_row_soft_wrapped,
8295 window,
8296 cx,
8297 );
8298 let new_fold_widths = line_layouts
8299 .iter()
8300 .flat_map(|layout| &layout.fragments)
8301 .filter_map(|fragment| {
8302 if let LineFragment::Element { id, size, .. } = fragment {
8303 Some((*id, size.width))
8304 } else {
8305 None
8306 }
8307 });
8308 if self.editor.update(cx, |editor, cx| {
8309 editor.update_fold_widths(new_fold_widths, cx)
8310 }) {
8311 // If the fold widths have changed, we need to prepaint
8312 // the element again to account for any changes in
8313 // wrapping.
8314 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8315 }
8316
8317 let longest_line_blame_width = self
8318 .editor
8319 .update(cx, |editor, cx| {
8320 if !editor.show_git_blame_inline {
8321 return None;
8322 }
8323 let blame = editor.blame.as_ref()?;
8324 let blame_entry = blame
8325 .update(cx, |blame, cx| {
8326 let row_infos =
8327 snapshot.row_infos(snapshot.longest_row()).next()?;
8328 blame.blame_for_rows(&[row_infos], cx).next()
8329 })
8330 .flatten()?;
8331 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8332 let inline_blame_padding = INLINE_BLAME_PADDING_EM_WIDTHS * em_advance;
8333 Some(
8334 element
8335 .layout_as_root(AvailableSpace::min_size(), window, cx)
8336 .width
8337 + inline_blame_padding,
8338 )
8339 })
8340 .unwrap_or(Pixels::ZERO);
8341
8342 let longest_line_width = layout_line(
8343 snapshot.longest_row(),
8344 &snapshot,
8345 &style,
8346 editor_width,
8347 is_row_soft_wrapped,
8348 window,
8349 cx,
8350 )
8351 .width;
8352
8353 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8354 text_hitbox.bounds,
8355 glyph_grid_cell,
8356 size(longest_line_width, max_row.as_f32() * line_height),
8357 longest_line_blame_width,
8358 editor_width,
8359 EditorSettings::get_global(cx),
8360 );
8361
8362 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8363
8364 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8365 snapshot.sticky_header_excerpt(scroll_position.y)
8366 } else {
8367 None
8368 };
8369 let sticky_header_excerpt_id =
8370 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8371
8372 let blocks = window.with_element_namespace("blocks", |window| {
8373 self.render_blocks(
8374 start_row..end_row,
8375 &snapshot,
8376 &hitbox,
8377 &text_hitbox,
8378 editor_width,
8379 &mut scroll_width,
8380 &editor_margins,
8381 em_width,
8382 gutter_dimensions.full_width(),
8383 line_height,
8384 &mut line_layouts,
8385 &local_selections,
8386 &selected_buffer_ids,
8387 is_row_soft_wrapped,
8388 sticky_header_excerpt_id,
8389 window,
8390 cx,
8391 )
8392 });
8393 let (mut blocks, row_block_types) = match blocks {
8394 Ok(blocks) => blocks,
8395 Err(resized_blocks) => {
8396 self.editor.update(cx, |editor, cx| {
8397 editor.resize_blocks(resized_blocks, autoscroll_request, cx)
8398 });
8399 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8400 }
8401 };
8402
8403 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8404 window.with_element_namespace("blocks", |window| {
8405 self.layout_sticky_buffer_header(
8406 sticky_header_excerpt,
8407 scroll_position.y,
8408 line_height,
8409 right_margin,
8410 &snapshot,
8411 &hitbox,
8412 &selected_buffer_ids,
8413 &blocks,
8414 window,
8415 cx,
8416 )
8417 })
8418 });
8419
8420 let start_buffer_row =
8421 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8422 let end_buffer_row =
8423 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8424
8425 let scroll_max = point(
8426 ((scroll_width - editor_content_width) / em_advance).max(0.0),
8427 max_scroll_top,
8428 );
8429
8430 self.editor.update(cx, |editor, cx| {
8431 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8432
8433 let autoscrolled = if autoscroll_horizontally {
8434 editor.autoscroll_horizontally(
8435 start_row,
8436 editor_content_width,
8437 scroll_width,
8438 em_advance,
8439 &line_layouts,
8440 cx,
8441 )
8442 } else {
8443 false
8444 };
8445
8446 if clamped || autoscrolled {
8447 snapshot = editor.snapshot(window, cx);
8448 scroll_position = snapshot.scroll_position();
8449 }
8450 });
8451
8452 let scroll_pixel_position = point(
8453 scroll_position.x * em_advance,
8454 scroll_position.y * line_height,
8455 );
8456 let indent_guides = self.layout_indent_guides(
8457 content_origin,
8458 text_hitbox.origin,
8459 start_buffer_row..end_buffer_row,
8460 scroll_pixel_position,
8461 line_height,
8462 &snapshot,
8463 window,
8464 cx,
8465 );
8466
8467 let crease_trailers =
8468 window.with_element_namespace("crease_trailers", |window| {
8469 self.prepaint_crease_trailers(
8470 crease_trailers,
8471 &line_layouts,
8472 line_height,
8473 content_origin,
8474 scroll_pixel_position,
8475 em_width,
8476 window,
8477 cx,
8478 )
8479 });
8480
8481 let (inline_completion_popover, inline_completion_popover_origin) = self
8482 .editor
8483 .update(cx, |editor, cx| {
8484 editor.render_edit_prediction_popover(
8485 &text_hitbox.bounds,
8486 content_origin,
8487 right_margin,
8488 &snapshot,
8489 start_row..end_row,
8490 scroll_position.y,
8491 scroll_position.y + height_in_lines,
8492 &line_layouts,
8493 line_height,
8494 scroll_pixel_position,
8495 newest_selection_head,
8496 editor_width,
8497 &style,
8498 window,
8499 cx,
8500 )
8501 })
8502 .unzip();
8503
8504 let mut inline_diagnostics = self.layout_inline_diagnostics(
8505 &line_layouts,
8506 &crease_trailers,
8507 &row_block_types,
8508 content_origin,
8509 scroll_pixel_position,
8510 inline_completion_popover_origin,
8511 start_row,
8512 end_row,
8513 line_height,
8514 em_width,
8515 &style,
8516 window,
8517 cx,
8518 );
8519
8520 let mut inline_blame_layout = None;
8521 let mut inline_code_actions = None;
8522 if let Some(newest_selection_head) = newest_selection_head {
8523 let display_row = newest_selection_head.row();
8524 if (start_row..end_row).contains(&display_row)
8525 && !row_block_types.contains_key(&display_row)
8526 {
8527 inline_code_actions = self.layout_inline_code_actions(
8528 newest_selection_head,
8529 content_origin,
8530 scroll_pixel_position,
8531 line_height,
8532 &snapshot,
8533 window,
8534 cx,
8535 );
8536
8537 let line_ix = display_row.minus(start_row) as usize;
8538 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8539 row_infos.get(line_ix),
8540 line_layouts.get(line_ix),
8541 crease_trailers.get(line_ix),
8542 ) {
8543 let crease_trailer_layout = crease_trailer.as_ref();
8544 if let Some(layout) = self.layout_inline_blame(
8545 display_row,
8546 row_info,
8547 line_layout,
8548 crease_trailer_layout,
8549 em_width,
8550 content_origin,
8551 scroll_pixel_position,
8552 line_height,
8553 &text_hitbox,
8554 window,
8555 cx,
8556 ) {
8557 inline_blame_layout = Some(layout);
8558 // Blame overrides inline diagnostics
8559 inline_diagnostics.remove(&display_row);
8560 }
8561 } else {
8562 log::error!(
8563 "bug: line_ix {} is out of bounds - row_infos.len(): {}, line_layouts.len(): {}, crease_trailers.len(): {}",
8564 line_ix,
8565 row_infos.len(),
8566 line_layouts.len(),
8567 crease_trailers.len(),
8568 );
8569 }
8570 }
8571 }
8572
8573 let blamed_display_rows = self.layout_blame_entries(
8574 &row_infos,
8575 em_width,
8576 scroll_position,
8577 line_height,
8578 &gutter_hitbox,
8579 gutter_dimensions.git_blame_entries_width,
8580 window,
8581 cx,
8582 );
8583
8584 self.editor.update(cx, |editor, cx| {
8585 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8586
8587 let autoscrolled = if autoscroll_horizontally {
8588 editor.autoscroll_horizontally(
8589 start_row,
8590 editor_content_width,
8591 scroll_width,
8592 em_width,
8593 &line_layouts,
8594 cx,
8595 )
8596 } else {
8597 false
8598 };
8599
8600 if clamped || autoscrolled {
8601 snapshot = editor.snapshot(window, cx);
8602 scroll_position = snapshot.scroll_position();
8603 }
8604 });
8605
8606 let line_elements = self.prepaint_lines(
8607 start_row,
8608 &mut line_layouts,
8609 line_height,
8610 scroll_pixel_position,
8611 content_origin,
8612 window,
8613 cx,
8614 );
8615
8616 window.with_element_namespace("blocks", |window| {
8617 self.layout_blocks(
8618 &mut blocks,
8619 &hitbox,
8620 line_height,
8621 scroll_pixel_position,
8622 window,
8623 cx,
8624 );
8625 });
8626
8627 let cursors = self.collect_cursors(&snapshot, cx);
8628 let visible_row_range = start_row..end_row;
8629 let non_visible_cursors = cursors
8630 .iter()
8631 .any(|c| !visible_row_range.contains(&c.0.row()));
8632
8633 let visible_cursors = self.layout_visible_cursors(
8634 &snapshot,
8635 &selections,
8636 &row_block_types,
8637 start_row..end_row,
8638 &line_layouts,
8639 &text_hitbox,
8640 content_origin,
8641 scroll_position,
8642 scroll_pixel_position,
8643 line_height,
8644 em_width,
8645 em_advance,
8646 autoscroll_containing_element,
8647 window,
8648 cx,
8649 );
8650
8651 let scrollbars_layout = self.layout_scrollbars(
8652 &snapshot,
8653 &scrollbar_layout_information,
8654 content_offset,
8655 scroll_position,
8656 non_visible_cursors,
8657 right_margin,
8658 editor_width,
8659 window,
8660 cx,
8661 );
8662
8663 let gutter_settings = EditorSettings::get_global(cx).gutter;
8664
8665 let context_menu_layout =
8666 if let Some(newest_selection_head) = newest_selection_head {
8667 let newest_selection_point =
8668 newest_selection_head.to_point(&snapshot.display_snapshot);
8669 if (start_row..end_row).contains(&newest_selection_head.row()) {
8670 self.layout_cursor_popovers(
8671 line_height,
8672 &text_hitbox,
8673 content_origin,
8674 right_margin,
8675 start_row,
8676 scroll_pixel_position,
8677 &line_layouts,
8678 newest_selection_head,
8679 newest_selection_point,
8680 &style,
8681 window,
8682 cx,
8683 )
8684 } else {
8685 None
8686 }
8687 } else {
8688 None
8689 };
8690
8691 self.layout_gutter_menu(
8692 line_height,
8693 &text_hitbox,
8694 content_origin,
8695 right_margin,
8696 scroll_pixel_position,
8697 gutter_dimensions.width - gutter_dimensions.left_padding,
8698 window,
8699 cx,
8700 );
8701
8702 let test_indicators = if gutter_settings.runnables {
8703 self.layout_run_indicators(
8704 line_height,
8705 start_row..end_row,
8706 &row_infos,
8707 scroll_pixel_position,
8708 &gutter_dimensions,
8709 &gutter_hitbox,
8710 &display_hunks,
8711 &snapshot,
8712 &mut breakpoint_rows,
8713 window,
8714 cx,
8715 )
8716 } else {
8717 Vec::new()
8718 };
8719
8720 let show_breakpoints = snapshot
8721 .show_breakpoints
8722 .unwrap_or(gutter_settings.breakpoints);
8723 let breakpoints = if show_breakpoints {
8724 self.layout_breakpoints(
8725 line_height,
8726 start_row..end_row,
8727 scroll_pixel_position,
8728 &gutter_dimensions,
8729 &gutter_hitbox,
8730 &display_hunks,
8731 &snapshot,
8732 breakpoint_rows,
8733 &row_infos,
8734 window,
8735 cx,
8736 )
8737 } else {
8738 Vec::new()
8739 };
8740
8741 self.layout_signature_help(
8742 &hitbox,
8743 content_origin,
8744 scroll_pixel_position,
8745 newest_selection_head,
8746 start_row,
8747 &line_layouts,
8748 line_height,
8749 em_width,
8750 context_menu_layout,
8751 window,
8752 cx,
8753 );
8754
8755 if !cx.has_active_drag() {
8756 self.layout_hover_popovers(
8757 &snapshot,
8758 &hitbox,
8759 start_row..end_row,
8760 content_origin,
8761 scroll_pixel_position,
8762 &line_layouts,
8763 line_height,
8764 em_width,
8765 context_menu_layout,
8766 window,
8767 cx,
8768 );
8769 }
8770
8771 let mouse_context_menu = self.layout_mouse_context_menu(
8772 &snapshot,
8773 start_row..end_row,
8774 content_origin,
8775 window,
8776 cx,
8777 );
8778
8779 window.with_element_namespace("crease_toggles", |window| {
8780 self.prepaint_crease_toggles(
8781 &mut crease_toggles,
8782 line_height,
8783 &gutter_dimensions,
8784 gutter_settings,
8785 scroll_pixel_position,
8786 &gutter_hitbox,
8787 window,
8788 cx,
8789 )
8790 });
8791
8792 window.with_element_namespace("expand_toggles", |window| {
8793 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
8794 });
8795
8796 let minimap = window.with_element_namespace("minimap", |window| {
8797 self.layout_minimap(
8798 &snapshot,
8799 minimap_width,
8800 scroll_position,
8801 &scrollbar_layout_information,
8802 scrollbars_layout.as_ref(),
8803 window,
8804 cx,
8805 )
8806 });
8807
8808 let invisible_symbol_font_size = font_size / 2.;
8809 let tab_invisible = window.text_system().shape_line(
8810 "→".into(),
8811 invisible_symbol_font_size,
8812 &[TextRun {
8813 len: "→".len(),
8814 font: self.style.text.font(),
8815 color: cx.theme().colors().editor_invisible,
8816 background_color: None,
8817 underline: None,
8818 strikethrough: None,
8819 }],
8820 );
8821 let space_invisible = window.text_system().shape_line(
8822 "•".into(),
8823 invisible_symbol_font_size,
8824 &[TextRun {
8825 len: "•".len(),
8826 font: self.style.text.font(),
8827 color: cx.theme().colors().editor_invisible,
8828 background_color: None,
8829 underline: None,
8830 strikethrough: None,
8831 }],
8832 );
8833
8834 let mode = snapshot.mode.clone();
8835
8836 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
8837 (vec![], vec![])
8838 } else {
8839 self.layout_diff_hunk_controls(
8840 start_row..end_row,
8841 &row_infos,
8842 &text_hitbox,
8843 newest_selection_head,
8844 line_height,
8845 right_margin,
8846 scroll_pixel_position,
8847 &display_hunks,
8848 &highlighted_rows,
8849 self.editor.clone(),
8850 window,
8851 cx,
8852 )
8853 };
8854
8855 let position_map = Rc::new(PositionMap {
8856 size: bounds.size,
8857 visible_row_range,
8858 scroll_pixel_position,
8859 scroll_max,
8860 line_layouts,
8861 line_height,
8862 em_width,
8863 em_advance,
8864 snapshot,
8865 gutter_hitbox: gutter_hitbox.clone(),
8866 text_hitbox: text_hitbox.clone(),
8867 inline_blame_bounds: inline_blame_layout
8868 .as_ref()
8869 .map(|layout| (layout.bounds, layout.entry.clone())),
8870 display_hunks: display_hunks.clone(),
8871 diff_hunk_control_bounds: diff_hunk_control_bounds.clone(),
8872 });
8873
8874 self.editor.update(cx, |editor, _| {
8875 editor.last_position_map = Some(position_map.clone())
8876 });
8877
8878 EditorLayout {
8879 mode,
8880 position_map,
8881 visible_display_row_range: start_row..end_row,
8882 wrap_guides,
8883 indent_guides,
8884 hitbox,
8885 gutter_hitbox,
8886 display_hunks,
8887 content_origin,
8888 scrollbars_layout,
8889 minimap,
8890 active_rows,
8891 highlighted_rows,
8892 highlighted_ranges,
8893 highlighted_gutter_ranges,
8894 redacted_ranges,
8895 document_colors,
8896 line_elements,
8897 line_numbers,
8898 blamed_display_rows,
8899 inline_diagnostics,
8900 inline_blame_layout,
8901 inline_code_actions,
8902 blocks,
8903 cursors,
8904 visible_cursors,
8905 selections,
8906 inline_completion_popover,
8907 diff_hunk_controls,
8908 mouse_context_menu,
8909 test_indicators,
8910 breakpoints,
8911 crease_toggles,
8912 crease_trailers,
8913 tab_invisible,
8914 space_invisible,
8915 sticky_buffer_header,
8916 expand_toggles,
8917 }
8918 })
8919 })
8920 })
8921 }
8922
8923 fn paint(
8924 &mut self,
8925 _: Option<&GlobalElementId>,
8926 _inspector_id: Option<&gpui::InspectorElementId>,
8927 bounds: Bounds<gpui::Pixels>,
8928 _: &mut Self::RequestLayoutState,
8929 layout: &mut Self::PrepaintState,
8930 window: &mut Window,
8931 cx: &mut App,
8932 ) {
8933 let focus_handle = self.editor.focus_handle(cx);
8934 let key_context = self
8935 .editor
8936 .update(cx, |editor, cx| editor.key_context(window, cx));
8937
8938 window.set_key_context(key_context);
8939 window.handle_input(
8940 &focus_handle,
8941 ElementInputHandler::new(bounds, self.editor.clone()),
8942 cx,
8943 );
8944 self.register_actions(window, cx);
8945 self.register_key_listeners(window, cx, layout);
8946
8947 let text_style = TextStyleRefinement {
8948 font_size: Some(self.style.text.font_size),
8949 line_height: Some(self.style.text.line_height),
8950 ..Default::default()
8951 };
8952 let rem_size = self.rem_size(cx);
8953 window.with_rem_size(rem_size, |window| {
8954 window.with_text_style(Some(text_style), |window| {
8955 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8956 self.paint_mouse_listeners(layout, window, cx);
8957 self.paint_background(layout, window, cx);
8958 self.paint_indent_guides(layout, window, cx);
8959
8960 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8961 self.paint_blamed_display_rows(layout, window, cx);
8962 self.paint_line_numbers(layout, window, cx);
8963 }
8964
8965 self.paint_text(layout, window, cx);
8966
8967 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8968 self.paint_gutter_highlights(layout, window, cx);
8969 self.paint_gutter_indicators(layout, window, cx);
8970 }
8971
8972 if !layout.blocks.is_empty() {
8973 window.with_element_namespace("blocks", |window| {
8974 self.paint_blocks(layout, window, cx);
8975 });
8976 }
8977
8978 window.with_element_namespace("blocks", |window| {
8979 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
8980 sticky_header.paint(window, cx)
8981 }
8982 });
8983
8984 self.paint_minimap(layout, window, cx);
8985 self.paint_scrollbars(layout, window, cx);
8986 self.paint_inline_completion_popover(layout, window, cx);
8987 self.paint_mouse_context_menu(layout, window, cx);
8988 });
8989 })
8990 })
8991 }
8992}
8993
8994pub(super) fn gutter_bounds(
8995 editor_bounds: Bounds<Pixels>,
8996 gutter_dimensions: GutterDimensions,
8997) -> Bounds<Pixels> {
8998 Bounds {
8999 origin: editor_bounds.origin,
9000 size: size(gutter_dimensions.width, editor_bounds.size.height),
9001 }
9002}
9003
9004#[derive(Clone, Copy)]
9005struct ContextMenuLayout {
9006 y_flipped: bool,
9007 bounds: Bounds<Pixels>,
9008}
9009
9010/// Holds information required for layouting the editor scrollbars.
9011struct ScrollbarLayoutInformation {
9012 /// The bounds of the editor area (excluding the content offset).
9013 editor_bounds: Bounds<Pixels>,
9014 /// The available range to scroll within the document.
9015 scroll_range: Size<Pixels>,
9016 /// The space available for one glyph in the editor.
9017 glyph_grid_cell: Size<Pixels>,
9018}
9019
9020impl ScrollbarLayoutInformation {
9021 pub fn new(
9022 editor_bounds: Bounds<Pixels>,
9023 glyph_grid_cell: Size<Pixels>,
9024 document_size: Size<Pixels>,
9025 longest_line_blame_width: Pixels,
9026 editor_width: Pixels,
9027 settings: &EditorSettings,
9028 ) -> Self {
9029 let vertical_overscroll = match settings.scroll_beyond_last_line {
9030 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9031 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9032 ScrollBeyondLastLine::VerticalScrollMargin => {
9033 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9034 }
9035 };
9036
9037 let right_margin = if document_size.width + longest_line_blame_width >= editor_width {
9038 glyph_grid_cell.width
9039 } else {
9040 px(0.0)
9041 };
9042
9043 let overscroll = size(right_margin + longest_line_blame_width, vertical_overscroll);
9044
9045 let scroll_range = document_size + overscroll;
9046
9047 ScrollbarLayoutInformation {
9048 editor_bounds,
9049 scroll_range,
9050 glyph_grid_cell,
9051 }
9052 }
9053}
9054
9055impl IntoElement for EditorElement {
9056 type Element = Self;
9057
9058 fn into_element(self) -> Self::Element {
9059 self
9060 }
9061}
9062
9063pub struct EditorLayout {
9064 position_map: Rc<PositionMap>,
9065 hitbox: Hitbox,
9066 gutter_hitbox: Hitbox,
9067 content_origin: gpui::Point<Pixels>,
9068 scrollbars_layout: Option<EditorScrollbars>,
9069 minimap: Option<MinimapLayout>,
9070 mode: EditorMode,
9071 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9072 indent_guides: Option<Vec<IndentGuideLayout>>,
9073 visible_display_row_range: Range<DisplayRow>,
9074 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9075 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9076 line_elements: SmallVec<[AnyElement; 1]>,
9077 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9078 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9079 blamed_display_rows: Option<Vec<AnyElement>>,
9080 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9081 inline_blame_layout: Option<InlineBlameLayout>,
9082 inline_code_actions: Option<AnyElement>,
9083 blocks: Vec<BlockLayout>,
9084 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9085 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9086 redacted_ranges: Vec<Range<DisplayPoint>>,
9087 cursors: Vec<(DisplayPoint, Hsla)>,
9088 visible_cursors: Vec<CursorLayout>,
9089 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9090 test_indicators: Vec<AnyElement>,
9091 breakpoints: Vec<AnyElement>,
9092 crease_toggles: Vec<Option<AnyElement>>,
9093 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9094 diff_hunk_controls: Vec<AnyElement>,
9095 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9096 inline_completion_popover: Option<AnyElement>,
9097 mouse_context_menu: Option<AnyElement>,
9098 tab_invisible: ShapedLine,
9099 space_invisible: ShapedLine,
9100 sticky_buffer_header: Option<AnyElement>,
9101 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9102}
9103
9104impl EditorLayout {
9105 fn line_end_overshoot(&self) -> Pixels {
9106 0.15 * self.position_map.line_height
9107 }
9108}
9109
9110struct LineNumberLayout {
9111 shaped_line: ShapedLine,
9112 hitbox: Option<Hitbox>,
9113}
9114
9115struct ColoredRange<T> {
9116 start: T,
9117 end: T,
9118 color: Hsla,
9119}
9120
9121impl Along for ScrollbarAxes {
9122 type Unit = bool;
9123
9124 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9125 match axis {
9126 ScrollbarAxis::Horizontal => self.horizontal,
9127 ScrollbarAxis::Vertical => self.vertical,
9128 }
9129 }
9130
9131 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9132 match axis {
9133 ScrollbarAxis::Horizontal => ScrollbarAxes {
9134 horizontal: f(self.horizontal),
9135 vertical: self.vertical,
9136 },
9137 ScrollbarAxis::Vertical => ScrollbarAxes {
9138 horizontal: self.horizontal,
9139 vertical: f(self.vertical),
9140 },
9141 }
9142 }
9143}
9144
9145#[derive(Clone)]
9146struct EditorScrollbars {
9147 pub vertical: Option<ScrollbarLayout>,
9148 pub horizontal: Option<ScrollbarLayout>,
9149 pub visible: bool,
9150}
9151
9152impl EditorScrollbars {
9153 pub fn from_scrollbar_axes(
9154 settings_visibility: ScrollbarAxes,
9155 layout_information: &ScrollbarLayoutInformation,
9156 content_offset: gpui::Point<Pixels>,
9157 scroll_position: gpui::Point<f32>,
9158 scrollbar_width: Pixels,
9159 right_margin: Pixels,
9160 editor_width: Pixels,
9161 show_scrollbars: bool,
9162 scrollbar_state: Option<&ActiveScrollbarState>,
9163 window: &mut Window,
9164 ) -> Self {
9165 let ScrollbarLayoutInformation {
9166 editor_bounds,
9167 scroll_range,
9168 glyph_grid_cell,
9169 } = layout_information;
9170
9171 let viewport_size = size(editor_width, editor_bounds.size.height);
9172
9173 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9174 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9175 Corner::BottomLeft,
9176 editor_bounds.bottom_left(),
9177 size(
9178 // The horizontal viewport size differs from the space available for the
9179 // horizontal scrollbar, so we have to manually stich it together here.
9180 editor_bounds.size.width - right_margin,
9181 scrollbar_width,
9182 ),
9183 ),
9184 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9185 Corner::TopRight,
9186 editor_bounds.top_right(),
9187 size(scrollbar_width, viewport_size.height),
9188 ),
9189 };
9190
9191 let mut create_scrollbar_layout = |axis| {
9192 settings_visibility
9193 .along(axis)
9194 .then(|| {
9195 (
9196 viewport_size.along(axis) - content_offset.along(axis),
9197 scroll_range.along(axis),
9198 )
9199 })
9200 .filter(|(viewport_size, scroll_range)| {
9201 // The scrollbar should only be rendered if the content does
9202 // not entirely fit into the editor
9203 // However, this only applies to the horizontal scrollbar, as information about the
9204 // vertical scrollbar layout is always needed for scrollbar diagnostics.
9205 axis != ScrollbarAxis::Horizontal || viewport_size < scroll_range
9206 })
9207 .map(|(viewport_size, scroll_range)| {
9208 ScrollbarLayout::new(
9209 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9210 viewport_size,
9211 scroll_range,
9212 glyph_grid_cell.along(axis),
9213 content_offset.along(axis),
9214 scroll_position.along(axis),
9215 show_scrollbars,
9216 axis,
9217 )
9218 .with_thumb_state(
9219 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9220 )
9221 })
9222 };
9223
9224 Self {
9225 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9226 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9227 visible: show_scrollbars,
9228 }
9229 }
9230
9231 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9232 [
9233 (&self.vertical, ScrollbarAxis::Vertical),
9234 (&self.horizontal, ScrollbarAxis::Horizontal),
9235 ]
9236 .into_iter()
9237 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9238 }
9239
9240 /// Returns the currently hovered scrollbar axis, if any.
9241 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9242 self.iter_scrollbars()
9243 .find(|s| s.0.hitbox.is_hovered(window))
9244 }
9245}
9246
9247#[derive(Clone)]
9248struct ScrollbarLayout {
9249 hitbox: Hitbox,
9250 visible_range: Range<f32>,
9251 text_unit_size: Pixels,
9252 thumb_bounds: Option<Bounds<Pixels>>,
9253 thumb_state: ScrollbarThumbState,
9254}
9255
9256impl ScrollbarLayout {
9257 const BORDER_WIDTH: Pixels = px(1.0);
9258 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9259 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9260 const MIN_THUMB_SIZE: Pixels = px(25.0);
9261
9262 fn new(
9263 scrollbar_track_hitbox: Hitbox,
9264 viewport_size: Pixels,
9265 scroll_range: Pixels,
9266 glyph_space: Pixels,
9267 content_offset: Pixels,
9268 scroll_position: f32,
9269 show_thumb: bool,
9270 axis: ScrollbarAxis,
9271 ) -> Self {
9272 let track_bounds = scrollbar_track_hitbox.bounds;
9273 // The length of the track available to the scrollbar thumb. We deliberately
9274 // exclude the content size here so that the thumb aligns with the content.
9275 let track_length = track_bounds.size.along(axis) - content_offset;
9276
9277 Self::new_with_hitbox_and_track_length(
9278 scrollbar_track_hitbox,
9279 track_length,
9280 viewport_size,
9281 scroll_range,
9282 glyph_space,
9283 content_offset,
9284 scroll_position,
9285 show_thumb,
9286 axis,
9287 )
9288 }
9289
9290 fn for_minimap(
9291 minimap_track_hitbox: Hitbox,
9292 visible_lines: f32,
9293 total_editor_lines: f32,
9294 minimap_line_height: Pixels,
9295 scroll_position: f32,
9296 minimap_scroll_top: f32,
9297 show_thumb: bool,
9298 ) -> Self {
9299 // The scrollbar thumb size is calculated as
9300 // (visible_content/total_content) × scrollbar_track_length.
9301 //
9302 // For the minimap's thumb layout, we leverage this by setting the
9303 // scrollbar track length to the entire document size (using minimap line
9304 // height). This creates a thumb that exactly represents the editor
9305 // viewport scaled to minimap proportions.
9306 //
9307 // We adjust the thumb position relative to `minimap_scroll_top` to
9308 // accommodate for the deliberately oversized track.
9309 //
9310 // This approach ensures that the minimap thumb accurately reflects the
9311 // editor's current scroll position whilst nicely synchronizing the minimap
9312 // thumb and scrollbar thumb.
9313 let scroll_range = total_editor_lines * minimap_line_height;
9314 let viewport_size = visible_lines * minimap_line_height;
9315
9316 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9317
9318 Self::new_with_hitbox_and_track_length(
9319 minimap_track_hitbox,
9320 scroll_range,
9321 viewport_size,
9322 scroll_range,
9323 minimap_line_height,
9324 track_top_offset,
9325 scroll_position,
9326 show_thumb,
9327 ScrollbarAxis::Vertical,
9328 )
9329 }
9330
9331 fn new_with_hitbox_and_track_length(
9332 scrollbar_track_hitbox: Hitbox,
9333 track_length: Pixels,
9334 viewport_size: Pixels,
9335 scroll_range: Pixels,
9336 glyph_space: Pixels,
9337 content_offset: Pixels,
9338 scroll_position: f32,
9339 show_thumb: bool,
9340 axis: ScrollbarAxis,
9341 ) -> Self {
9342 let text_units_per_page = viewport_size / glyph_space;
9343 let visible_range = scroll_position..scroll_position + text_units_per_page;
9344 let total_text_units = scroll_range / glyph_space;
9345
9346 let thumb_percentage = text_units_per_page / total_text_units;
9347 let thumb_size = (track_length * thumb_percentage)
9348 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9349 .min(track_length);
9350
9351 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9352
9353 let content_larger_than_viewport = text_unit_divisor > 0.;
9354
9355 let text_unit_size = if content_larger_than_viewport {
9356 (track_length - thumb_size) / text_unit_divisor
9357 } else {
9358 glyph_space
9359 };
9360
9361 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9362 Self::thumb_bounds(
9363 &scrollbar_track_hitbox,
9364 content_offset,
9365 visible_range.start,
9366 text_unit_size,
9367 thumb_size,
9368 axis,
9369 )
9370 });
9371
9372 ScrollbarLayout {
9373 hitbox: scrollbar_track_hitbox,
9374 visible_range,
9375 text_unit_size,
9376 thumb_bounds,
9377 thumb_state: Default::default(),
9378 }
9379 }
9380
9381 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9382 if let Some(thumb_state) = thumb_state {
9383 Self {
9384 thumb_state,
9385 ..self
9386 }
9387 } else {
9388 self
9389 }
9390 }
9391
9392 fn thumb_bounds(
9393 scrollbar_track: &Hitbox,
9394 content_offset: Pixels,
9395 visible_range_start: f32,
9396 text_unit_size: Pixels,
9397 thumb_size: Pixels,
9398 axis: ScrollbarAxis,
9399 ) -> Bounds<Pixels> {
9400 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9401 origin + content_offset + visible_range_start * text_unit_size
9402 });
9403 Bounds::new(
9404 thumb_origin,
9405 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9406 )
9407 }
9408
9409 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9410 self.thumb_bounds
9411 .is_some_and(|bounds| bounds.contains(position))
9412 }
9413
9414 fn marker_quads_for_ranges(
9415 &self,
9416 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9417 column: Option<usize>,
9418 ) -> Vec<PaintQuad> {
9419 struct MinMax {
9420 min: Pixels,
9421 max: Pixels,
9422 }
9423 let (x_range, height_limit) = if let Some(column) = column {
9424 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9425 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9426 let end = start + column_width;
9427 (
9428 Range { start, end },
9429 MinMax {
9430 min: Self::MIN_MARKER_HEIGHT,
9431 max: px(f32::MAX),
9432 },
9433 )
9434 } else {
9435 (
9436 Range {
9437 start: Self::BORDER_WIDTH,
9438 end: self.hitbox.size.width,
9439 },
9440 MinMax {
9441 min: Self::LINE_MARKER_HEIGHT,
9442 max: Self::LINE_MARKER_HEIGHT,
9443 },
9444 )
9445 };
9446
9447 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9448 let mut pixel_ranges = row_ranges
9449 .into_iter()
9450 .map(|range| {
9451 let start_y = row_to_y(range.start);
9452 let end_y = row_to_y(range.end)
9453 + self
9454 .text_unit_size
9455 .max(height_limit.min)
9456 .min(height_limit.max);
9457 ColoredRange {
9458 start: start_y,
9459 end: end_y,
9460 color: range.color,
9461 }
9462 })
9463 .peekable();
9464
9465 let mut quads = Vec::new();
9466 while let Some(mut pixel_range) = pixel_ranges.next() {
9467 while let Some(next_pixel_range) = pixel_ranges.peek() {
9468 if pixel_range.end >= next_pixel_range.start - px(1.0)
9469 && pixel_range.color == next_pixel_range.color
9470 {
9471 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9472 pixel_ranges.next();
9473 } else {
9474 break;
9475 }
9476 }
9477
9478 let bounds = Bounds::from_corners(
9479 point(x_range.start, pixel_range.start),
9480 point(x_range.end, pixel_range.end),
9481 );
9482 quads.push(quad(
9483 bounds,
9484 Corners::default(),
9485 pixel_range.color,
9486 Edges::default(),
9487 Hsla::transparent_black(),
9488 BorderStyle::default(),
9489 ));
9490 }
9491
9492 quads
9493 }
9494}
9495
9496struct MinimapLayout {
9497 pub minimap: AnyElement,
9498 pub thumb_layout: ScrollbarLayout,
9499 pub minimap_scroll_top: f32,
9500 pub minimap_line_height: Pixels,
9501 pub thumb_border_style: MinimapThumbBorder,
9502 pub max_scroll_top: f32,
9503}
9504
9505impl MinimapLayout {
9506 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9507 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9508 /// The minimap width as a percentage of the editor width.
9509 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9510 /// Calculates the scroll top offset the minimap editor has to have based on the
9511 /// current scroll progress.
9512 fn calculate_minimap_top_offset(
9513 document_lines: f32,
9514 visible_editor_lines: f32,
9515 visible_minimap_lines: f32,
9516 scroll_position: f32,
9517 ) -> f32 {
9518 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9519 if non_visible_document_lines == 0. {
9520 0.
9521 } else {
9522 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9523 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9524 }
9525 }
9526}
9527
9528struct CreaseTrailerLayout {
9529 element: AnyElement,
9530 bounds: Bounds<Pixels>,
9531}
9532
9533pub(crate) struct PositionMap {
9534 pub size: Size<Pixels>,
9535 pub line_height: Pixels,
9536 pub scroll_pixel_position: gpui::Point<Pixels>,
9537 pub scroll_max: gpui::Point<f32>,
9538 pub em_width: Pixels,
9539 pub em_advance: Pixels,
9540 pub visible_row_range: Range<DisplayRow>,
9541 pub line_layouts: Vec<LineWithInvisibles>,
9542 pub snapshot: EditorSnapshot,
9543 pub text_hitbox: Hitbox,
9544 pub gutter_hitbox: Hitbox,
9545 pub inline_blame_bounds: Option<(Bounds<Pixels>, BlameEntry)>,
9546 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9547 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9548}
9549
9550#[derive(Debug, Copy, Clone)]
9551pub struct PointForPosition {
9552 pub previous_valid: DisplayPoint,
9553 pub next_valid: DisplayPoint,
9554 pub exact_unclipped: DisplayPoint,
9555 pub column_overshoot_after_line_end: u32,
9556}
9557
9558impl PointForPosition {
9559 pub fn as_valid(&self) -> Option<DisplayPoint> {
9560 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9561 Some(self.previous_valid)
9562 } else {
9563 None
9564 }
9565 }
9566
9567 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
9568 let Some(valid_point) = self.as_valid() else {
9569 return false;
9570 };
9571 let range = selection.range();
9572
9573 let candidate_row = valid_point.row();
9574 let candidate_col = valid_point.column();
9575
9576 let start_row = range.start.row();
9577 let start_col = range.start.column();
9578 let end_row = range.end.row();
9579 let end_col = range.end.column();
9580
9581 if candidate_row < start_row || candidate_row > end_row {
9582 false
9583 } else if start_row == end_row {
9584 candidate_col >= start_col && candidate_col < end_col
9585 } else {
9586 if candidate_row == start_row {
9587 candidate_col >= start_col
9588 } else if candidate_row == end_row {
9589 candidate_col < end_col
9590 } else {
9591 true
9592 }
9593 }
9594 }
9595}
9596
9597impl PositionMap {
9598 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
9599 let text_bounds = self.text_hitbox.bounds;
9600 let scroll_position = self.snapshot.scroll_position();
9601 let position = position - text_bounds.origin;
9602 let y = position.y.max(px(0.)).min(self.size.height);
9603 let x = position.x + (scroll_position.x * self.em_advance);
9604 let row = ((y / self.line_height) + scroll_position.y) as u32;
9605
9606 let (column, x_overshoot_after_line_end) = if let Some(line) = self
9607 .line_layouts
9608 .get(row as usize - scroll_position.y as usize)
9609 {
9610 if let Some(ix) = line.index_for_x(x) {
9611 (ix as u32, px(0.))
9612 } else {
9613 (line.len as u32, px(0.).max(x - line.width))
9614 }
9615 } else {
9616 (0, x)
9617 };
9618
9619 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
9620 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
9621 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
9622
9623 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
9624 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
9625 PointForPosition {
9626 previous_valid,
9627 next_valid,
9628 exact_unclipped,
9629 column_overshoot_after_line_end,
9630 }
9631 }
9632}
9633
9634struct BlockLayout {
9635 id: BlockId,
9636 x_offset: Pixels,
9637 row: Option<DisplayRow>,
9638 element: AnyElement,
9639 available_space: Size<AvailableSpace>,
9640 style: BlockStyle,
9641 overlaps_gutter: bool,
9642 is_buffer_header: bool,
9643}
9644
9645pub fn layout_line(
9646 row: DisplayRow,
9647 snapshot: &EditorSnapshot,
9648 style: &EditorStyle,
9649 text_width: Pixels,
9650 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
9651 window: &mut Window,
9652 cx: &mut App,
9653) -> LineWithInvisibles {
9654 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
9655 LineWithInvisibles::from_chunks(
9656 chunks,
9657 &style,
9658 MAX_LINE_LEN,
9659 1,
9660 &snapshot.mode,
9661 text_width,
9662 is_row_soft_wrapped,
9663 window,
9664 cx,
9665 )
9666 .pop()
9667 .unwrap()
9668}
9669
9670#[derive(Debug)]
9671pub struct IndentGuideLayout {
9672 origin: gpui::Point<Pixels>,
9673 length: Pixels,
9674 single_indent_width: Pixels,
9675 depth: u32,
9676 active: bool,
9677 settings: IndentGuideSettings,
9678}
9679
9680pub struct CursorLayout {
9681 origin: gpui::Point<Pixels>,
9682 block_width: Pixels,
9683 line_height: Pixels,
9684 color: Hsla,
9685 shape: CursorShape,
9686 block_text: Option<ShapedLine>,
9687 cursor_name: Option<AnyElement>,
9688}
9689
9690#[derive(Debug)]
9691pub struct CursorName {
9692 string: SharedString,
9693 color: Hsla,
9694 is_top_row: bool,
9695}
9696
9697impl CursorLayout {
9698 pub fn new(
9699 origin: gpui::Point<Pixels>,
9700 block_width: Pixels,
9701 line_height: Pixels,
9702 color: Hsla,
9703 shape: CursorShape,
9704 block_text: Option<ShapedLine>,
9705 ) -> CursorLayout {
9706 CursorLayout {
9707 origin,
9708 block_width,
9709 line_height,
9710 color,
9711 shape,
9712 block_text,
9713 cursor_name: None,
9714 }
9715 }
9716
9717 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9718 Bounds {
9719 origin: self.origin + origin,
9720 size: size(self.block_width, self.line_height),
9721 }
9722 }
9723
9724 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9725 match self.shape {
9726 CursorShape::Bar => Bounds {
9727 origin: self.origin + origin,
9728 size: size(px(2.0), self.line_height),
9729 },
9730 CursorShape::Block | CursorShape::Hollow => Bounds {
9731 origin: self.origin + origin,
9732 size: size(self.block_width, self.line_height),
9733 },
9734 CursorShape::Underline => Bounds {
9735 origin: self.origin
9736 + origin
9737 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
9738 size: size(self.block_width, px(2.0)),
9739 },
9740 }
9741 }
9742
9743 pub fn layout(
9744 &mut self,
9745 origin: gpui::Point<Pixels>,
9746 cursor_name: Option<CursorName>,
9747 window: &mut Window,
9748 cx: &mut App,
9749 ) {
9750 if let Some(cursor_name) = cursor_name {
9751 let bounds = self.bounds(origin);
9752 let text_size = self.line_height / 1.5;
9753
9754 let name_origin = if cursor_name.is_top_row {
9755 point(bounds.right() - px(1.), bounds.top())
9756 } else {
9757 match self.shape {
9758 CursorShape::Bar => point(
9759 bounds.right() - px(2.),
9760 bounds.top() - text_size / 2. - px(1.),
9761 ),
9762 _ => point(
9763 bounds.right() - px(1.),
9764 bounds.top() - text_size / 2. - px(1.),
9765 ),
9766 }
9767 };
9768 let mut name_element = div()
9769 .bg(self.color)
9770 .text_size(text_size)
9771 .px_0p5()
9772 .line_height(text_size + px(2.))
9773 .text_color(cursor_name.color)
9774 .child(cursor_name.string.clone())
9775 .into_any_element();
9776
9777 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
9778
9779 self.cursor_name = Some(name_element);
9780 }
9781 }
9782
9783 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
9784 let bounds = self.bounds(origin);
9785
9786 //Draw background or border quad
9787 let cursor = if matches!(self.shape, CursorShape::Hollow) {
9788 outline(bounds, self.color, BorderStyle::Solid)
9789 } else {
9790 fill(bounds, self.color)
9791 };
9792
9793 if let Some(name) = &mut self.cursor_name {
9794 name.paint(window, cx);
9795 }
9796
9797 window.paint_quad(cursor);
9798
9799 if let Some(block_text) = &self.block_text {
9800 block_text
9801 .paint(self.origin + origin, self.line_height, window, cx)
9802 .log_err();
9803 }
9804 }
9805
9806 pub fn shape(&self) -> CursorShape {
9807 self.shape
9808 }
9809}
9810
9811#[derive(Debug)]
9812pub struct HighlightedRange {
9813 pub start_y: Pixels,
9814 pub line_height: Pixels,
9815 pub lines: Vec<HighlightedRangeLine>,
9816 pub color: Hsla,
9817 pub corner_radius: Pixels,
9818}
9819
9820#[derive(Debug)]
9821pub struct HighlightedRangeLine {
9822 pub start_x: Pixels,
9823 pub end_x: Pixels,
9824}
9825
9826impl HighlightedRange {
9827 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
9828 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
9829 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
9830 self.paint_lines(
9831 self.start_y + self.line_height,
9832 &self.lines[1..],
9833 fill,
9834 bounds,
9835 window,
9836 );
9837 } else {
9838 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
9839 }
9840 }
9841
9842 fn paint_lines(
9843 &self,
9844 start_y: Pixels,
9845 lines: &[HighlightedRangeLine],
9846 fill: bool,
9847 _bounds: Bounds<Pixels>,
9848 window: &mut Window,
9849 ) {
9850 if lines.is_empty() {
9851 return;
9852 }
9853
9854 let first_line = lines.first().unwrap();
9855 let last_line = lines.last().unwrap();
9856
9857 let first_top_left = point(first_line.start_x, start_y);
9858 let first_top_right = point(first_line.end_x, start_y);
9859
9860 let curve_height = point(Pixels::ZERO, self.corner_radius);
9861 let curve_width = |start_x: Pixels, end_x: Pixels| {
9862 let max = (end_x - start_x) / 2.;
9863 let width = if max < self.corner_radius {
9864 max
9865 } else {
9866 self.corner_radius
9867 };
9868
9869 point(width, Pixels::ZERO)
9870 };
9871
9872 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
9873 let mut builder = if fill {
9874 gpui::PathBuilder::fill()
9875 } else {
9876 gpui::PathBuilder::stroke(px(1.))
9877 };
9878 builder.move_to(first_top_right - top_curve_width);
9879 builder.curve_to(first_top_right + curve_height, first_top_right);
9880
9881 let mut iter = lines.iter().enumerate().peekable();
9882 while let Some((ix, line)) = iter.next() {
9883 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
9884
9885 if let Some((_, next_line)) = iter.peek() {
9886 let next_top_right = point(next_line.end_x, bottom_right.y);
9887
9888 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
9889 Ordering::Equal => {
9890 builder.line_to(bottom_right);
9891 }
9892 Ordering::Less => {
9893 let curve_width = curve_width(next_top_right.x, bottom_right.x);
9894 builder.line_to(bottom_right - curve_height);
9895 if self.corner_radius > Pixels::ZERO {
9896 builder.curve_to(bottom_right - curve_width, bottom_right);
9897 }
9898 builder.line_to(next_top_right + curve_width);
9899 if self.corner_radius > Pixels::ZERO {
9900 builder.curve_to(next_top_right + curve_height, next_top_right);
9901 }
9902 }
9903 Ordering::Greater => {
9904 let curve_width = curve_width(bottom_right.x, next_top_right.x);
9905 builder.line_to(bottom_right - curve_height);
9906 if self.corner_radius > Pixels::ZERO {
9907 builder.curve_to(bottom_right + curve_width, bottom_right);
9908 }
9909 builder.line_to(next_top_right - curve_width);
9910 if self.corner_radius > Pixels::ZERO {
9911 builder.curve_to(next_top_right + curve_height, next_top_right);
9912 }
9913 }
9914 }
9915 } else {
9916 let curve_width = curve_width(line.start_x, line.end_x);
9917 builder.line_to(bottom_right - curve_height);
9918 if self.corner_radius > Pixels::ZERO {
9919 builder.curve_to(bottom_right - curve_width, bottom_right);
9920 }
9921
9922 let bottom_left = point(line.start_x, bottom_right.y);
9923 builder.line_to(bottom_left + curve_width);
9924 if self.corner_radius > Pixels::ZERO {
9925 builder.curve_to(bottom_left - curve_height, bottom_left);
9926 }
9927 }
9928 }
9929
9930 if first_line.start_x > last_line.start_x {
9931 let curve_width = curve_width(last_line.start_x, first_line.start_x);
9932 let second_top_left = point(last_line.start_x, start_y + self.line_height);
9933 builder.line_to(second_top_left + curve_height);
9934 if self.corner_radius > Pixels::ZERO {
9935 builder.curve_to(second_top_left + curve_width, second_top_left);
9936 }
9937 let first_bottom_left = point(first_line.start_x, second_top_left.y);
9938 builder.line_to(first_bottom_left - curve_width);
9939 if self.corner_radius > Pixels::ZERO {
9940 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
9941 }
9942 }
9943
9944 builder.line_to(first_top_left + curve_height);
9945 if self.corner_radius > Pixels::ZERO {
9946 builder.curve_to(first_top_left + top_curve_width, first_top_left);
9947 }
9948 builder.line_to(first_top_right - top_curve_width);
9949
9950 if let Ok(path) = builder.build() {
9951 window.paint_path(path, self.color);
9952 }
9953 }
9954}
9955
9956enum CursorPopoverType {
9957 CodeContextMenu,
9958 EditPrediction,
9959}
9960
9961pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9962 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
9963}
9964
9965fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9966 (delta.pow(1.2) / 300.0).into()
9967}
9968
9969pub fn register_action<T: Action>(
9970 editor: &Entity<Editor>,
9971 window: &mut Window,
9972 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
9973) {
9974 let editor = editor.clone();
9975 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
9976 let action = action.downcast_ref().unwrap();
9977 if phase == DispatchPhase::Bubble {
9978 editor.update(cx, |editor, cx| {
9979 listener(editor, action, window, cx);
9980 })
9981 }
9982 })
9983}
9984
9985fn compute_auto_height_layout(
9986 editor: &mut Editor,
9987 min_lines: usize,
9988 max_lines: Option<usize>,
9989 max_line_number_width: Pixels,
9990 known_dimensions: Size<Option<Pixels>>,
9991 available_width: AvailableSpace,
9992 window: &mut Window,
9993 cx: &mut Context<Editor>,
9994) -> Option<Size<Pixels>> {
9995 let width = known_dimensions.width.or({
9996 if let AvailableSpace::Definite(available_width) = available_width {
9997 Some(available_width)
9998 } else {
9999 None
10000 }
10001 })?;
10002 if let Some(height) = known_dimensions.height {
10003 return Some(size(width, height));
10004 }
10005
10006 let style = editor.style.as_ref().unwrap();
10007 let font_id = window.text_system().resolve_font(&style.text.font());
10008 let font_size = style.text.font_size.to_pixels(window.rem_size());
10009 let line_height = style.text.line_height_in_pixels(window.rem_size());
10010 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10011
10012 let mut snapshot = editor.snapshot(window, cx);
10013 let gutter_dimensions = snapshot
10014 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10015 .or_else(|| {
10016 editor
10017 .offset_content
10018 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10019 })
10020 .unwrap_or_default();
10021
10022 editor.gutter_dimensions = gutter_dimensions;
10023 let text_width = width - gutter_dimensions.width;
10024 let overscroll = size(em_width, px(0.));
10025
10026 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10027 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None) {
10028 if editor.set_wrap_width(Some(editor_width), cx) {
10029 snapshot = editor.snapshot(window, cx);
10030 }
10031 }
10032
10033 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10034
10035 let min_height = line_height * min_lines as f32;
10036 let content_height = scroll_height.max(min_height);
10037
10038 let final_height = if let Some(max_lines) = max_lines {
10039 let max_height = line_height * max_lines as f32;
10040 content_height.min(max_height)
10041 } else {
10042 content_height
10043 };
10044
10045 Some(size(width, final_height))
10046}
10047
10048#[cfg(test)]
10049mod tests {
10050 use super::*;
10051 use crate::{
10052 Editor, MultiBuffer,
10053 display_map::{BlockPlacement, BlockProperties},
10054 editor_tests::{init_test, update_test_language_settings},
10055 };
10056 use gpui::{TestAppContext, VisualTestContext};
10057 use language::language_settings;
10058 use log::info;
10059 use std::num::NonZeroU32;
10060 use util::test::sample_text;
10061
10062 #[gpui::test]
10063 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10064 init_test(cx, |_| {});
10065 let window = cx.add_window(|window, cx| {
10066 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10067 Editor::new(EditorMode::full(), buffer, None, window, cx)
10068 });
10069
10070 let editor = window.root(cx).unwrap();
10071 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10072 let line_height = window
10073 .update(cx, |_, window, _| {
10074 style.text.line_height_in_pixels(window.rem_size())
10075 })
10076 .unwrap();
10077 let element = EditorElement::new(&editor, style);
10078 let snapshot = window
10079 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10080 .unwrap();
10081
10082 let layouts = cx
10083 .update_window(*window, |_, window, cx| {
10084 element.layout_line_numbers(
10085 None,
10086 GutterDimensions {
10087 left_padding: Pixels::ZERO,
10088 right_padding: Pixels::ZERO,
10089 width: px(30.0),
10090 margin: Pixels::ZERO,
10091 git_blame_entries_width: None,
10092 },
10093 line_height,
10094 gpui::Point::default(),
10095 DisplayRow(0)..DisplayRow(6),
10096 &(0..6)
10097 .map(|row| RowInfo {
10098 buffer_row: Some(row),
10099 ..Default::default()
10100 })
10101 .collect::<Vec<_>>(),
10102 &BTreeMap::default(),
10103 Some(DisplayPoint::new(DisplayRow(0), 0)),
10104 &snapshot,
10105 window,
10106 cx,
10107 )
10108 })
10109 .unwrap();
10110 assert_eq!(layouts.len(), 6);
10111
10112 let relative_rows = window
10113 .update(cx, |editor, window, cx| {
10114 let snapshot = editor.snapshot(window, cx);
10115 element.calculate_relative_line_numbers(
10116 &snapshot,
10117 &(DisplayRow(0)..DisplayRow(6)),
10118 Some(DisplayRow(3)),
10119 )
10120 })
10121 .unwrap();
10122 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10123 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10124 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10125 // current line has no relative number
10126 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10127 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10128
10129 // works if cursor is before screen
10130 let relative_rows = window
10131 .update(cx, |editor, window, cx| {
10132 let snapshot = editor.snapshot(window, cx);
10133 element.calculate_relative_line_numbers(
10134 &snapshot,
10135 &(DisplayRow(3)..DisplayRow(6)),
10136 Some(DisplayRow(1)),
10137 )
10138 })
10139 .unwrap();
10140 assert_eq!(relative_rows.len(), 3);
10141 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10142 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10143 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10144
10145 // works if cursor is after screen
10146 let relative_rows = window
10147 .update(cx, |editor, window, cx| {
10148 let snapshot = editor.snapshot(window, cx);
10149 element.calculate_relative_line_numbers(
10150 &snapshot,
10151 &(DisplayRow(0)..DisplayRow(3)),
10152 Some(DisplayRow(6)),
10153 )
10154 })
10155 .unwrap();
10156 assert_eq!(relative_rows.len(), 3);
10157 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10158 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10159 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10160 }
10161
10162 #[gpui::test]
10163 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10164 init_test(cx, |_| {});
10165
10166 let window = cx.add_window(|window, cx| {
10167 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10168 Editor::new(EditorMode::full(), buffer, None, window, cx)
10169 });
10170 let cx = &mut VisualTestContext::from_window(*window, cx);
10171 let editor = window.root(cx).unwrap();
10172 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10173
10174 window
10175 .update(cx, |editor, window, cx| {
10176 editor.cursor_shape = CursorShape::Block;
10177 editor.change_selections(None, window, cx, |s| {
10178 s.select_ranges([
10179 Point::new(0, 0)..Point::new(1, 0),
10180 Point::new(3, 2)..Point::new(3, 3),
10181 Point::new(5, 6)..Point::new(6, 0),
10182 ]);
10183 });
10184 })
10185 .unwrap();
10186
10187 let (_, state) = cx.draw(
10188 point(px(500.), px(500.)),
10189 size(px(500.), px(500.)),
10190 |_, _| EditorElement::new(&editor, style),
10191 );
10192
10193 assert_eq!(state.selections.len(), 1);
10194 let local_selections = &state.selections[0].1;
10195 assert_eq!(local_selections.len(), 3);
10196 // moves cursor back one line
10197 assert_eq!(
10198 local_selections[0].head,
10199 DisplayPoint::new(DisplayRow(0), 6)
10200 );
10201 assert_eq!(
10202 local_selections[0].range,
10203 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10204 );
10205
10206 // moves cursor back one column
10207 assert_eq!(
10208 local_selections[1].range,
10209 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10210 );
10211 assert_eq!(
10212 local_selections[1].head,
10213 DisplayPoint::new(DisplayRow(3), 2)
10214 );
10215
10216 // leaves cursor on the max point
10217 assert_eq!(
10218 local_selections[2].range,
10219 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10220 );
10221 assert_eq!(
10222 local_selections[2].head,
10223 DisplayPoint::new(DisplayRow(6), 0)
10224 );
10225
10226 // active lines does not include 1 (even though the range of the selection does)
10227 assert_eq!(
10228 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10229 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10230 );
10231 }
10232
10233 #[gpui::test]
10234 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10235 init_test(cx, |_| {});
10236
10237 let window = cx.add_window(|window, cx| {
10238 let buffer = MultiBuffer::build_simple("", cx);
10239 Editor::new(EditorMode::full(), buffer, None, window, cx)
10240 });
10241 let cx = &mut VisualTestContext::from_window(*window, cx);
10242 let editor = window.root(cx).unwrap();
10243 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10244 window
10245 .update(cx, |editor, window, cx| {
10246 editor.set_placeholder_text("hello", cx);
10247 editor.insert_blocks(
10248 [BlockProperties {
10249 style: BlockStyle::Fixed,
10250 placement: BlockPlacement::Above(Anchor::min()),
10251 height: Some(3),
10252 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10253 priority: 0,
10254 render_in_minimap: true,
10255 }],
10256 None,
10257 cx,
10258 );
10259
10260 // Blur the editor so that it displays placeholder text.
10261 window.blur();
10262 })
10263 .unwrap();
10264
10265 let (_, state) = cx.draw(
10266 point(px(500.), px(500.)),
10267 size(px(500.), px(500.)),
10268 |_, _| EditorElement::new(&editor, style),
10269 );
10270 assert_eq!(state.position_map.line_layouts.len(), 4);
10271 assert_eq!(state.line_numbers.len(), 1);
10272 assert_eq!(
10273 state
10274 .line_numbers
10275 .get(&MultiBufferRow(0))
10276 .map(|line_number| line_number.shaped_line.text.as_ref()),
10277 Some("1")
10278 );
10279 }
10280
10281 #[gpui::test]
10282 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10283 const TAB_SIZE: u32 = 4;
10284
10285 let input_text = "\t \t|\t| a b";
10286 let expected_invisibles = vec![
10287 Invisible::Tab {
10288 line_start_offset: 0,
10289 line_end_offset: TAB_SIZE as usize,
10290 },
10291 Invisible::Whitespace {
10292 line_offset: TAB_SIZE as usize,
10293 },
10294 Invisible::Tab {
10295 line_start_offset: TAB_SIZE as usize + 1,
10296 line_end_offset: TAB_SIZE as usize * 2,
10297 },
10298 Invisible::Tab {
10299 line_start_offset: TAB_SIZE as usize * 2 + 1,
10300 line_end_offset: TAB_SIZE as usize * 3,
10301 },
10302 Invisible::Whitespace {
10303 line_offset: TAB_SIZE as usize * 3 + 1,
10304 },
10305 Invisible::Whitespace {
10306 line_offset: TAB_SIZE as usize * 3 + 3,
10307 },
10308 ];
10309 assert_eq!(
10310 expected_invisibles.len(),
10311 input_text
10312 .chars()
10313 .filter(|initial_char| initial_char.is_whitespace())
10314 .count(),
10315 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10316 );
10317
10318 for show_line_numbers in [true, false] {
10319 init_test(cx, |s| {
10320 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10321 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10322 });
10323
10324 let actual_invisibles = collect_invisibles_from_new_editor(
10325 cx,
10326 EditorMode::full(),
10327 input_text,
10328 px(500.0),
10329 show_line_numbers,
10330 );
10331
10332 assert_eq!(expected_invisibles, actual_invisibles);
10333 }
10334 }
10335
10336 #[gpui::test]
10337 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10338 init_test(cx, |s| {
10339 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10340 s.defaults.tab_size = NonZeroU32::new(4);
10341 });
10342
10343 for editor_mode_without_invisibles in [
10344 EditorMode::SingleLine { auto_width: false },
10345 EditorMode::AutoHeight {
10346 min_lines: 1,
10347 max_lines: Some(100),
10348 },
10349 ] {
10350 for show_line_numbers in [true, false] {
10351 let invisibles = collect_invisibles_from_new_editor(
10352 cx,
10353 editor_mode_without_invisibles.clone(),
10354 "\t\t\t| | a b",
10355 px(500.0),
10356 show_line_numbers,
10357 );
10358 assert!(
10359 invisibles.is_empty(),
10360 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10361 );
10362 }
10363 }
10364 }
10365
10366 #[gpui::test]
10367 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10368 let tab_size = 4;
10369 let input_text = "a\tbcd ".repeat(9);
10370 let repeated_invisibles = [
10371 Invisible::Tab {
10372 line_start_offset: 1,
10373 line_end_offset: tab_size as usize,
10374 },
10375 Invisible::Whitespace {
10376 line_offset: tab_size as usize + 3,
10377 },
10378 Invisible::Whitespace {
10379 line_offset: tab_size as usize + 4,
10380 },
10381 Invisible::Whitespace {
10382 line_offset: tab_size as usize + 5,
10383 },
10384 Invisible::Whitespace {
10385 line_offset: tab_size as usize + 6,
10386 },
10387 Invisible::Whitespace {
10388 line_offset: tab_size as usize + 7,
10389 },
10390 ];
10391 let expected_invisibles = std::iter::once(repeated_invisibles)
10392 .cycle()
10393 .take(9)
10394 .flatten()
10395 .collect::<Vec<_>>();
10396 assert_eq!(
10397 expected_invisibles.len(),
10398 input_text
10399 .chars()
10400 .filter(|initial_char| initial_char.is_whitespace())
10401 .count(),
10402 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10403 );
10404 info!("Expected invisibles: {expected_invisibles:?}");
10405
10406 init_test(cx, |_| {});
10407
10408 // Put the same string with repeating whitespace pattern into editors of various size,
10409 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10410 let resize_step = 10.0;
10411 let mut editor_width = 200.0;
10412 while editor_width <= 1000.0 {
10413 for show_line_numbers in [true, false] {
10414 update_test_language_settings(cx, |s| {
10415 s.defaults.tab_size = NonZeroU32::new(tab_size);
10416 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10417 s.defaults.preferred_line_length = Some(editor_width as u32);
10418 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10419 });
10420
10421 let actual_invisibles = collect_invisibles_from_new_editor(
10422 cx,
10423 EditorMode::full(),
10424 &input_text,
10425 px(editor_width),
10426 show_line_numbers,
10427 );
10428
10429 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10430 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10431 let mut i = 0;
10432 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10433 i = actual_index;
10434 match expected_invisibles.get(i) {
10435 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10436 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10437 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10438 _ => {
10439 panic!(
10440 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10441 )
10442 }
10443 },
10444 None => {
10445 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10446 }
10447 }
10448 }
10449 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10450 assert!(
10451 missing_expected_invisibles.is_empty(),
10452 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10453 );
10454
10455 editor_width += resize_step;
10456 }
10457 }
10458 }
10459
10460 fn collect_invisibles_from_new_editor(
10461 cx: &mut TestAppContext,
10462 editor_mode: EditorMode,
10463 input_text: &str,
10464 editor_width: Pixels,
10465 show_line_numbers: bool,
10466 ) -> Vec<Invisible> {
10467 info!(
10468 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10469 editor_width.0
10470 );
10471 let window = cx.add_window(|window, cx| {
10472 let buffer = MultiBuffer::build_simple(input_text, cx);
10473 Editor::new(editor_mode, buffer, None, window, cx)
10474 });
10475 let cx = &mut VisualTestContext::from_window(*window, cx);
10476 let editor = window.root(cx).unwrap();
10477
10478 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10479 window
10480 .update(cx, |editor, _, cx| {
10481 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10482 editor.set_wrap_width(Some(editor_width), cx);
10483 editor.set_show_line_numbers(show_line_numbers, cx);
10484 })
10485 .unwrap();
10486 let (_, state) = cx.draw(
10487 point(px(500.), px(500.)),
10488 size(px(500.), px(500.)),
10489 |_, _| EditorElement::new(&editor, style),
10490 );
10491 state
10492 .position_map
10493 .line_layouts
10494 .iter()
10495 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10496 .cloned()
10497 .collect()
10498 }
10499}