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, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, 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_indentation_to_spaces);
234 register_action(editor, window, Editor::convert_indentation_to_tabs);
235 register_action(editor, window, Editor::convert_to_upper_case);
236 register_action(editor, window, Editor::convert_to_lower_case);
237 register_action(editor, window, Editor::convert_to_title_case);
238 register_action(editor, window, Editor::convert_to_snake_case);
239 register_action(editor, window, Editor::convert_to_kebab_case);
240 register_action(editor, window, Editor::convert_to_upper_camel_case);
241 register_action(editor, window, Editor::convert_to_lower_camel_case);
242 register_action(editor, window, Editor::convert_to_opposite_case);
243 register_action(editor, window, Editor::convert_to_rot13);
244 register_action(editor, window, Editor::convert_to_rot47);
245 register_action(editor, window, Editor::delete_to_previous_word_start);
246 register_action(editor, window, Editor::delete_to_previous_subword_start);
247 register_action(editor, window, Editor::delete_to_next_word_end);
248 register_action(editor, window, Editor::delete_to_next_subword_end);
249 register_action(editor, window, Editor::delete_to_beginning_of_line);
250 register_action(editor, window, Editor::delete_to_end_of_line);
251 register_action(editor, window, Editor::cut_to_end_of_line);
252 register_action(editor, window, Editor::duplicate_line_up);
253 register_action(editor, window, Editor::duplicate_line_down);
254 register_action(editor, window, Editor::duplicate_selection);
255 register_action(editor, window, Editor::move_line_up);
256 register_action(editor, window, Editor::move_line_down);
257 register_action(editor, window, Editor::transpose);
258 register_action(editor, window, Editor::rewrap);
259 register_action(editor, window, Editor::cut);
260 register_action(editor, window, Editor::kill_ring_cut);
261 register_action(editor, window, Editor::kill_ring_yank);
262 register_action(editor, window, Editor::copy);
263 register_action(editor, window, Editor::copy_and_trim);
264 register_action(editor, window, Editor::paste);
265 register_action(editor, window, Editor::undo);
266 register_action(editor, window, Editor::redo);
267 register_action(editor, window, Editor::move_page_up);
268 register_action(editor, window, Editor::move_page_down);
269 register_action(editor, window, Editor::next_screen);
270 register_action(editor, window, Editor::scroll_cursor_top);
271 register_action(editor, window, Editor::scroll_cursor_center);
272 register_action(editor, window, Editor::scroll_cursor_bottom);
273 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
274 register_action(editor, window, |editor, _: &LineDown, window, cx| {
275 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
276 });
277 register_action(editor, window, |editor, _: &LineUp, window, cx| {
278 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
279 });
280 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
281 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
282 });
283 register_action(
284 editor,
285 window,
286 |editor, HandleInput(text): &HandleInput, window, cx| {
287 if text.is_empty() {
288 return;
289 }
290 editor.handle_input(text, window, cx);
291 },
292 );
293 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
295 });
296 register_action(editor, window, |editor, _: &PageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
298 });
299 register_action(editor, window, |editor, _: &PageUp, window, cx| {
300 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
301 });
302 register_action(editor, window, Editor::move_to_previous_word_start);
303 register_action(editor, window, Editor::move_to_previous_subword_start);
304 register_action(editor, window, Editor::move_to_next_word_end);
305 register_action(editor, window, Editor::move_to_next_subword_end);
306 register_action(editor, window, Editor::move_to_beginning_of_line);
307 register_action(editor, window, Editor::move_to_end_of_line);
308 register_action(editor, window, Editor::move_to_start_of_paragraph);
309 register_action(editor, window, Editor::move_to_end_of_paragraph);
310 register_action(editor, window, Editor::move_to_beginning);
311 register_action(editor, window, Editor::move_to_end);
312 register_action(editor, window, Editor::move_to_start_of_excerpt);
313 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
314 register_action(editor, window, Editor::move_to_end_of_excerpt);
315 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
316 register_action(editor, window, Editor::select_up);
317 register_action(editor, window, Editor::select_down);
318 register_action(editor, window, Editor::select_left);
319 register_action(editor, window, Editor::select_right);
320 register_action(editor, window, Editor::select_to_previous_word_start);
321 register_action(editor, window, Editor::select_to_previous_subword_start);
322 register_action(editor, window, Editor::select_to_next_word_end);
323 register_action(editor, window, Editor::select_to_next_subword_end);
324 register_action(editor, window, Editor::select_to_beginning_of_line);
325 register_action(editor, window, Editor::select_to_end_of_line);
326 register_action(editor, window, Editor::select_to_start_of_paragraph);
327 register_action(editor, window, Editor::select_to_end_of_paragraph);
328 register_action(editor, window, Editor::select_to_start_of_excerpt);
329 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::select_to_end_of_excerpt);
331 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_to_beginning);
333 register_action(editor, window, Editor::select_to_end);
334 register_action(editor, window, Editor::select_all);
335 register_action(editor, window, |editor, action, window, cx| {
336 editor.select_all_matches(action, window, cx).log_err();
337 });
338 register_action(editor, window, Editor::select_line);
339 register_action(editor, window, Editor::split_selection_into_lines);
340 register_action(editor, window, Editor::add_selection_above);
341 register_action(editor, window, Editor::add_selection_below);
342 register_action(editor, window, |editor, action, window, cx| {
343 editor.select_next(action, window, cx).log_err();
344 });
345 register_action(editor, window, |editor, action, window, cx| {
346 editor.select_previous(action, window, cx).log_err();
347 });
348 register_action(editor, window, |editor, action, window, cx| {
349 editor.find_next_match(action, window, cx).log_err();
350 });
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.find_previous_match(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::toggle_comments);
355 register_action(editor, window, Editor::select_larger_syntax_node);
356 register_action(editor, window, Editor::select_smaller_syntax_node);
357 register_action(editor, window, Editor::select_enclosing_symbol);
358 register_action(editor, window, Editor::move_to_enclosing_bracket);
359 register_action(editor, window, Editor::undo_selection);
360 register_action(editor, window, Editor::redo_selection);
361 if !editor.read(cx).is_singleton(cx) {
362 register_action(editor, window, Editor::expand_excerpts);
363 register_action(editor, window, Editor::expand_excerpts_up);
364 register_action(editor, window, Editor::expand_excerpts_down);
365 }
366 register_action(editor, window, Editor::go_to_diagnostic);
367 register_action(editor, window, Editor::go_to_prev_diagnostic);
368 register_action(editor, window, Editor::go_to_next_hunk);
369 register_action(editor, window, Editor::go_to_prev_hunk);
370 register_action(editor, window, |editor, action, window, cx| {
371 editor
372 .go_to_definition(action, window, cx)
373 .detach_and_log_err(cx);
374 });
375 register_action(editor, window, |editor, action, window, cx| {
376 editor
377 .go_to_definition_split(action, window, cx)
378 .detach_and_log_err(cx);
379 });
380 register_action(editor, window, |editor, action, window, cx| {
381 editor
382 .go_to_declaration(action, window, cx)
383 .detach_and_log_err(cx);
384 });
385 register_action(editor, window, |editor, action, window, cx| {
386 editor
387 .go_to_declaration_split(action, window, cx)
388 .detach_and_log_err(cx);
389 });
390 register_action(editor, window, |editor, action, window, cx| {
391 editor
392 .go_to_implementation(action, window, cx)
393 .detach_and_log_err(cx);
394 });
395 register_action(editor, window, |editor, action, window, cx| {
396 editor
397 .go_to_implementation_split(action, window, cx)
398 .detach_and_log_err(cx);
399 });
400 register_action(editor, window, |editor, action, window, cx| {
401 editor
402 .go_to_type_definition(action, window, cx)
403 .detach_and_log_err(cx);
404 });
405 register_action(editor, window, |editor, action, window, cx| {
406 editor
407 .go_to_type_definition_split(action, window, cx)
408 .detach_and_log_err(cx);
409 });
410 register_action(editor, window, Editor::open_url);
411 register_action(editor, window, Editor::open_selected_filename);
412 register_action(editor, window, Editor::fold);
413 register_action(editor, window, Editor::fold_at_level);
414 register_action(editor, window, Editor::fold_all);
415 register_action(editor, window, Editor::fold_function_bodies);
416 register_action(editor, window, Editor::fold_recursive);
417 register_action(editor, window, Editor::toggle_fold);
418 register_action(editor, window, Editor::toggle_fold_recursive);
419 register_action(editor, window, Editor::unfold_lines);
420 register_action(editor, window, Editor::unfold_recursive);
421 register_action(editor, window, Editor::unfold_all);
422 register_action(editor, window, Editor::fold_selected_ranges);
423 register_action(editor, window, Editor::set_mark);
424 register_action(editor, window, Editor::swap_selection_ends);
425 register_action(editor, window, Editor::show_completions);
426 register_action(editor, window, Editor::show_word_completions);
427 register_action(editor, window, Editor::toggle_code_actions);
428 register_action(editor, window, Editor::open_excerpts);
429 register_action(editor, window, Editor::open_excerpts_in_split);
430 register_action(editor, window, Editor::open_proposed_changes_editor);
431 register_action(editor, window, Editor::toggle_soft_wrap);
432 register_action(editor, window, Editor::toggle_tab_bar);
433 register_action(editor, window, Editor::toggle_line_numbers);
434 register_action(editor, window, Editor::toggle_relative_line_numbers);
435 register_action(editor, window, Editor::toggle_indent_guides);
436 register_action(editor, window, Editor::toggle_inlay_hints);
437 register_action(editor, window, Editor::toggle_edit_predictions);
438 if editor.read(cx).diagnostics_enabled() {
439 register_action(editor, window, Editor::toggle_diagnostics);
440 }
441 if editor.read(cx).inline_diagnostics_enabled() {
442 register_action(editor, window, Editor::toggle_inline_diagnostics);
443 }
444 if editor.read(cx).supports_minimap(cx) {
445 register_action(editor, window, Editor::toggle_minimap);
446 }
447 register_action(editor, window, hover_popover::hover);
448 register_action(editor, window, Editor::reveal_in_finder);
449 register_action(editor, window, Editor::copy_path);
450 register_action(editor, window, Editor::copy_relative_path);
451 register_action(editor, window, Editor::copy_file_name);
452 register_action(editor, window, Editor::copy_file_name_without_extension);
453 register_action(editor, window, Editor::copy_highlight_json);
454 register_action(editor, window, Editor::copy_permalink_to_line);
455 register_action(editor, window, Editor::open_permalink_to_line);
456 register_action(editor, window, Editor::copy_file_location);
457 register_action(editor, window, Editor::toggle_git_blame);
458 register_action(editor, window, Editor::toggle_git_blame_inline);
459 register_action(editor, window, Editor::open_git_blame_commit);
460 register_action(editor, window, Editor::toggle_selected_diff_hunks);
461 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
462 register_action(editor, window, Editor::stage_and_next);
463 register_action(editor, window, Editor::unstage_and_next);
464 register_action(editor, window, Editor::expand_all_diff_hunks);
465 register_action(editor, window, Editor::go_to_previous_change);
466 register_action(editor, window, Editor::go_to_next_change);
467
468 register_action(editor, window, |editor, action, window, cx| {
469 if let Some(task) = editor.format(action, window, cx) {
470 task.detach_and_notify_err(window, cx);
471 } else {
472 cx.propagate();
473 }
474 });
475 register_action(editor, window, |editor, action, window, cx| {
476 if let Some(task) = editor.format_selections(action, window, cx) {
477 task.detach_and_notify_err(window, cx);
478 } else {
479 cx.propagate();
480 }
481 });
482 register_action(editor, window, |editor, action, window, cx| {
483 if let Some(task) = editor.organize_imports(action, window, cx) {
484 task.detach_and_notify_err(window, cx);
485 } else {
486 cx.propagate();
487 }
488 });
489 register_action(editor, window, Editor::restart_language_server);
490 register_action(editor, window, Editor::stop_language_server);
491 register_action(editor, window, Editor::show_character_palette);
492 register_action(editor, window, |editor, action, window, cx| {
493 if let Some(task) = editor.confirm_completion(action, window, cx) {
494 task.detach_and_notify_err(window, cx);
495 } else {
496 cx.propagate();
497 }
498 });
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.compose_completion(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, |editor, action, window, cx| {
521 if let Some(task) = editor.confirm_code_action(action, window, cx) {
522 task.detach_and_notify_err(window, cx);
523 } else {
524 cx.propagate();
525 }
526 });
527 register_action(editor, window, |editor, action, window, cx| {
528 if let Some(task) = editor.rename(action, window, cx) {
529 task.detach_and_notify_err(window, cx);
530 } else {
531 cx.propagate();
532 }
533 });
534 register_action(editor, window, |editor, action, window, cx| {
535 if let Some(task) = editor.confirm_rename(action, window, cx) {
536 task.detach_and_notify_err(window, cx);
537 } else {
538 cx.propagate();
539 }
540 });
541 register_action(editor, window, |editor, action, window, cx| {
542 if let Some(task) = editor.find_all_references(action, window, cx) {
543 task.detach_and_log_err(cx);
544 } else {
545 cx.propagate();
546 }
547 });
548 register_action(editor, window, Editor::show_signature_help);
549 register_action(editor, window, Editor::signature_help_prev);
550 register_action(editor, window, Editor::signature_help_next);
551 register_action(editor, window, Editor::next_edit_prediction);
552 register_action(editor, window, Editor::previous_edit_prediction);
553 register_action(editor, window, Editor::show_inline_completion);
554 register_action(editor, window, Editor::context_menu_first);
555 register_action(editor, window, Editor::context_menu_prev);
556 register_action(editor, window, Editor::context_menu_next);
557 register_action(editor, window, Editor::context_menu_last);
558 register_action(editor, window, Editor::display_cursor_names);
559 register_action(editor, window, Editor::unique_lines_case_insensitive);
560 register_action(editor, window, Editor::unique_lines_case_sensitive);
561 register_action(editor, window, Editor::accept_partial_inline_completion);
562 register_action(editor, window, Editor::accept_edit_prediction);
563 register_action(editor, window, Editor::restore_file);
564 register_action(editor, window, Editor::git_restore);
565 register_action(editor, window, Editor::apply_all_diff_hunks);
566 register_action(editor, window, Editor::apply_selected_diff_hunks);
567 register_action(editor, window, Editor::open_active_item_in_terminal);
568 register_action(editor, window, Editor::reload_file);
569 register_action(editor, window, Editor::spawn_nearest_task);
570 register_action(editor, window, Editor::insert_uuid_v4);
571 register_action(editor, window, Editor::insert_uuid_v7);
572 register_action(editor, window, Editor::open_selections_in_multibuffer);
573 register_action(editor, window, Editor::toggle_breakpoint);
574 register_action(editor, window, Editor::edit_log_breakpoint);
575 register_action(editor, window, Editor::enable_breakpoint);
576 register_action(editor, window, Editor::disable_breakpoint);
577 }
578
579 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
580 let position_map = layout.position_map.clone();
581 window.on_key_event({
582 let editor = self.editor.clone();
583 move |event: &ModifiersChangedEvent, phase, window, cx| {
584 if phase != DispatchPhase::Bubble {
585 return;
586 }
587 editor.update(cx, |editor, cx| {
588 let inlay_hint_settings = inlay_hint_settings(
589 editor.selections.newest_anchor().head(),
590 &editor.buffer.read(cx).snapshot(cx),
591 cx,
592 );
593
594 if let Some(inlay_modifiers) = inlay_hint_settings
595 .toggle_on_modifiers_press
596 .as_ref()
597 .filter(|modifiers| modifiers.modified())
598 {
599 editor.refresh_inlay_hints(
600 InlayHintRefreshReason::ModifiersChanged(
601 inlay_modifiers == &event.modifiers,
602 ),
603 cx,
604 );
605 }
606
607 if editor.hover_state.focused(window, cx) {
608 return;
609 }
610
611 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
612 })
613 }
614 });
615 }
616
617 fn mouse_left_down(
618 editor: &mut Editor,
619 event: &MouseDownEvent,
620 hovered_hunk: Option<Range<Anchor>>,
621 position_map: &PositionMap,
622 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
623 window: &mut Window,
624 cx: &mut Context<Editor>,
625 ) {
626 if window.default_prevented() {
627 return;
628 }
629
630 let text_hitbox = &position_map.text_hitbox;
631 let gutter_hitbox = &position_map.gutter_hitbox;
632 let point_for_position = position_map.point_for_position(event.position);
633 let mut click_count = event.click_count;
634 let mut modifiers = event.modifiers;
635
636 if let Some(hovered_hunk) = hovered_hunk {
637 editor.toggle_single_diff_hunk(hovered_hunk, cx);
638 cx.notify();
639 return;
640 } else if gutter_hitbox.is_hovered(window) {
641 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
642 } else if !text_hitbox.is_hovered(window) {
643 return;
644 }
645
646 if editor.drag_and_drop_selection_enabled && click_count == 1 {
647 let newest_anchor = editor.selections.newest_anchor();
648 let snapshot = editor.snapshot(window, cx);
649 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
650 if point_for_position.intersects_selection(&selection) {
651 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
652 selection: newest_anchor.clone(),
653 click_position: event.position,
654 mouse_down_time: Instant::now(),
655 };
656 cx.stop_propagation();
657 return;
658 }
659 }
660
661 let is_singleton = editor.buffer().read(cx).is_singleton();
662
663 if click_count == 2 && !is_singleton {
664 match EditorSettings::get_global(cx).double_click_in_multibuffer {
665 DoubleClickInMultibuffer::Select => {
666 // do nothing special on double click, all selection logic is below
667 }
668 DoubleClickInMultibuffer::Open => {
669 if modifiers.alt {
670 // if double click is made with alt, pretend it's a regular double click without opening and alt,
671 // and run the selection logic.
672 modifiers.alt = false;
673 } else {
674 let scroll_position_row =
675 position_map.scroll_pixel_position.y / position_map.line_height;
676 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
677 + position_map.scroll_pixel_position.y)
678 / position_map.line_height)
679 as u32;
680 let multi_buffer_row = position_map
681 .snapshot
682 .display_point_to_point(
683 DisplayPoint::new(DisplayRow(display_row), 0),
684 Bias::Right,
685 )
686 .row;
687 let line_offset_from_top = display_row - scroll_position_row as u32;
688 // if double click is made without alt, open the corresponding excerp
689 editor.open_excerpts_common(
690 Some(JumpData::MultiBufferRow {
691 row: MultiBufferRow(multi_buffer_row),
692 line_offset_from_top,
693 }),
694 false,
695 window,
696 cx,
697 );
698 return;
699 }
700 }
701 }
702 }
703
704 let position = point_for_position.previous_valid;
705 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
706 editor.select(
707 SelectPhase::BeginColumnar {
708 position,
709 reset: match mode {
710 ColumnarMode::FromMouse => true,
711 ColumnarMode::FromSelection => false,
712 },
713 mode: mode,
714 goal_column: point_for_position.exact_unclipped.column(),
715 },
716 window,
717 cx,
718 );
719 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
720 {
721 editor.select(
722 SelectPhase::Extend {
723 position,
724 click_count,
725 },
726 window,
727 cx,
728 );
729 } else {
730 editor.select(
731 SelectPhase::Begin {
732 position,
733 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
734 click_count,
735 },
736 window,
737 cx,
738 );
739 }
740 cx.stop_propagation();
741
742 if !is_singleton {
743 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
744 + position_map.scroll_pixel_position.y)
745 / position_map.line_height) as u32;
746 let multi_buffer_row = position_map
747 .snapshot
748 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
749 .row;
750 if line_numbers
751 .get(&MultiBufferRow(multi_buffer_row))
752 .and_then(|line_number| line_number.hitbox.as_ref())
753 .is_some_and(|hitbox| hitbox.contains(&event.position))
754 {
755 let scroll_position_row =
756 position_map.scroll_pixel_position.y / position_map.line_height;
757 let line_offset_from_top = display_row - scroll_position_row as u32;
758
759 editor.open_excerpts_common(
760 Some(JumpData::MultiBufferRow {
761 row: MultiBufferRow(multi_buffer_row),
762 line_offset_from_top,
763 }),
764 modifiers.alt,
765 window,
766 cx,
767 );
768 cx.stop_propagation();
769 }
770 }
771 }
772
773 fn mouse_right_down(
774 editor: &mut Editor,
775 event: &MouseDownEvent,
776 position_map: &PositionMap,
777 window: &mut Window,
778 cx: &mut Context<Editor>,
779 ) {
780 if position_map.gutter_hitbox.is_hovered(window) {
781 let gutter_right_padding = editor.gutter_dimensions.right_padding;
782 let hitbox = &position_map.gutter_hitbox;
783
784 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
785 let point_for_position = position_map.point_for_position(event.position);
786 editor.set_breakpoint_context_menu(
787 point_for_position.previous_valid.row(),
788 None,
789 event.position,
790 window,
791 cx,
792 );
793 }
794 return;
795 }
796
797 if !position_map.text_hitbox.is_hovered(window) {
798 return;
799 }
800
801 let point_for_position = position_map.point_for_position(event.position);
802 mouse_context_menu::deploy_context_menu(
803 editor,
804 Some(event.position),
805 point_for_position.previous_valid,
806 window,
807 cx,
808 );
809 cx.stop_propagation();
810 }
811
812 fn mouse_middle_down(
813 editor: &mut Editor,
814 event: &MouseDownEvent,
815 position_map: &PositionMap,
816 window: &mut Window,
817 cx: &mut Context<Editor>,
818 ) {
819 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
820 return;
821 }
822
823 let point_for_position = position_map.point_for_position(event.position);
824 let position = point_for_position.previous_valid;
825
826 editor.select(
827 SelectPhase::BeginColumnar {
828 position,
829 reset: true,
830 mode: ColumnarMode::FromMouse,
831 goal_column: point_for_position.exact_unclipped.column(),
832 },
833 window,
834 cx,
835 );
836 }
837
838 fn mouse_up(
839 editor: &mut Editor,
840 event: &MouseUpEvent,
841 position_map: &PositionMap,
842 window: &mut Window,
843 cx: &mut Context<Editor>,
844 ) {
845 let text_hitbox = &position_map.text_hitbox;
846 let end_selection = editor.has_pending_selection();
847 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
848 let point_for_position = position_map.point_for_position(event.position);
849
850 match editor.selection_drag_state {
851 SelectionDragState::ReadyToDrag {
852 selection: _,
853 ref click_position,
854 mouse_down_time: _,
855 } => {
856 if event.position == *click_position {
857 editor.select(
858 SelectPhase::Begin {
859 position: point_for_position.previous_valid,
860 add: false,
861 click_count: 1, // ready to drag state only occurs on click count 1
862 },
863 window,
864 cx,
865 );
866 editor.selection_drag_state = SelectionDragState::None;
867 cx.stop_propagation();
868 return;
869 } else {
870 debug_panic!("drag state can never be in ready state after drag")
871 }
872 }
873 SelectionDragState::Dragging { ref selection, .. } => {
874 let snapshot = editor.snapshot(window, cx);
875 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
876 if !point_for_position.intersects_selection(&selection_display)
877 && text_hitbox.is_hovered(window)
878 {
879 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
880 || cfg!(not(target_os = "macos")) && event.modifiers.control);
881 editor.move_selection_on_drop(
882 &selection.clone(),
883 point_for_position.previous_valid,
884 is_cut,
885 window,
886 cx,
887 );
888 }
889 editor.selection_drag_state = SelectionDragState::None;
890 cx.stop_propagation();
891 cx.notify();
892 return;
893 }
894 _ => {}
895 }
896
897 if end_selection {
898 editor.select(SelectPhase::End, window, cx);
899 }
900
901 if end_selection && pending_nonempty_selections {
902 cx.stop_propagation();
903 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
904 && event.button == MouseButton::Middle
905 {
906 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
907 return;
908 }
909
910 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
911 if EditorSettings::get_global(cx).middle_click_paste {
912 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
913 let point_for_position = position_map.point_for_position(event.position);
914 let position = point_for_position.previous_valid;
915
916 editor.select(
917 SelectPhase::Begin {
918 position,
919 add: false,
920 click_count: 1,
921 },
922 window,
923 cx,
924 );
925 editor.insert(&text, window, cx);
926 }
927 cx.stop_propagation()
928 }
929 }
930 }
931
932 fn click(
933 editor: &mut Editor,
934 event: &ClickEvent,
935 position_map: &PositionMap,
936 window: &mut Window,
937 cx: &mut Context<Editor>,
938 ) {
939 let text_hitbox = &position_map.text_hitbox;
940 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
941
942 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
943
944 if !pending_nonempty_selections && hovered_link_modifier && text_hitbox.is_hovered(window) {
945 let point = position_map.point_for_position(event.up.position);
946 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
947
948 cx.stop_propagation();
949 }
950 }
951
952 fn mouse_dragged(
953 editor: &mut Editor,
954 event: &MouseMoveEvent,
955 position_map: &PositionMap,
956 window: &mut Window,
957 cx: &mut Context<Editor>,
958 ) {
959 if !editor.has_pending_selection()
960 && matches!(editor.selection_drag_state, SelectionDragState::None)
961 {
962 return;
963 }
964
965 let point_for_position = position_map.point_for_position(event.position);
966 let text_hitbox = &position_map.text_hitbox;
967
968 let scroll_delta = {
969 let text_bounds = text_hitbox.bounds;
970 let mut scroll_delta = gpui::Point::<f32>::default();
971 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
972 let top = text_bounds.origin.y + vertical_margin;
973 let bottom = text_bounds.bottom_left().y - vertical_margin;
974 if event.position.y < top {
975 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
976 }
977 if event.position.y > bottom {
978 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
979 }
980
981 // We need horizontal width of text
982 let style = editor.style.clone().unwrap_or_default();
983 let font_id = window.text_system().resolve_font(&style.text.font());
984 let font_size = style.text.font_size.to_pixels(window.rem_size());
985 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
986
987 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
988
989 let scroll_space: Pixels = scroll_margin_x * em_width;
990
991 let left = text_bounds.origin.x + scroll_space;
992 let right = text_bounds.top_right().x - scroll_space;
993
994 if event.position.x < left {
995 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
996 }
997 if event.position.x > right {
998 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
999 }
1000 scroll_delta
1001 };
1002
1003 if !editor.has_pending_selection() {
1004 let drop_anchor = position_map
1005 .snapshot
1006 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1007 match editor.selection_drag_state {
1008 SelectionDragState::Dragging {
1009 ref mut drop_cursor,
1010 ref mut hide_drop_cursor,
1011 ..
1012 } => {
1013 drop_cursor.start = drop_anchor;
1014 drop_cursor.end = drop_anchor;
1015 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1016 editor.apply_scroll_delta(scroll_delta, window, cx);
1017 cx.notify();
1018 }
1019 SelectionDragState::ReadyToDrag {
1020 ref selection,
1021 ref click_position,
1022 ref mouse_down_time,
1023 } => {
1024 if mouse_down_time.elapsed() >= SELECTION_DRAG_DELAY {
1025 let drop_cursor = Selection {
1026 id: post_inc(&mut editor.selections.next_selection_id),
1027 start: drop_anchor,
1028 end: drop_anchor,
1029 reversed: false,
1030 goal: SelectionGoal::None,
1031 };
1032 editor.selection_drag_state = SelectionDragState::Dragging {
1033 selection: selection.clone(),
1034 drop_cursor,
1035 hide_drop_cursor: false,
1036 };
1037 editor.apply_scroll_delta(scroll_delta, window, cx);
1038 cx.notify();
1039 } else {
1040 let click_point = position_map.point_for_position(*click_position);
1041 editor.selection_drag_state = SelectionDragState::None;
1042 editor.select(
1043 SelectPhase::Begin {
1044 position: click_point.previous_valid,
1045 add: false,
1046 click_count: 1,
1047 },
1048 window,
1049 cx,
1050 );
1051 editor.select(
1052 SelectPhase::Update {
1053 position: point_for_position.previous_valid,
1054 goal_column: point_for_position.exact_unclipped.column(),
1055 scroll_delta,
1056 },
1057 window,
1058 cx,
1059 );
1060 }
1061 }
1062 _ => {}
1063 }
1064 } else {
1065 editor.select(
1066 SelectPhase::Update {
1067 position: point_for_position.previous_valid,
1068 goal_column: point_for_position.exact_unclipped.column(),
1069 scroll_delta,
1070 },
1071 window,
1072 cx,
1073 );
1074 }
1075 }
1076
1077 fn mouse_moved(
1078 editor: &mut Editor,
1079 event: &MouseMoveEvent,
1080 position_map: &PositionMap,
1081 window: &mut Window,
1082 cx: &mut Context<Editor>,
1083 ) {
1084 let text_hitbox = &position_map.text_hitbox;
1085 let gutter_hitbox = &position_map.gutter_hitbox;
1086 let modifiers = event.modifiers;
1087 let text_hovered = text_hitbox.is_hovered(window);
1088 let gutter_hovered = gutter_hitbox.is_hovered(window);
1089 editor.set_gutter_hovered(gutter_hovered, cx);
1090 editor.show_mouse_cursor(cx);
1091
1092 let point_for_position = position_map.point_for_position(event.position);
1093 let valid_point = point_for_position.previous_valid;
1094
1095 let hovered_diff_control = position_map
1096 .diff_hunk_control_bounds
1097 .iter()
1098 .find(|(_, bounds)| bounds.contains(&event.position))
1099 .map(|(row, _)| *row);
1100
1101 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1102 Some(control_row)
1103 } else {
1104 if text_hovered {
1105 let current_row = valid_point.row();
1106 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1107 if let DisplayDiffHunk::Unfolded {
1108 display_row_range, ..
1109 } = hunk
1110 {
1111 if display_row_range.contains(¤t_row) {
1112 Some(display_row_range.start)
1113 } else {
1114 None
1115 }
1116 } else {
1117 None
1118 }
1119 })
1120 } else {
1121 None
1122 }
1123 };
1124
1125 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1126 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1127 cx.notify();
1128 }
1129
1130 if let Some((bounds, blame_entry)) = &position_map.inline_blame_bounds {
1131 let mouse_over_inline_blame = bounds.contains(&event.position);
1132 let mouse_over_popover = editor
1133 .inline_blame_popover
1134 .as_ref()
1135 .and_then(|state| state.popover_bounds)
1136 .map_or(false, |bounds| bounds.contains(&event.position));
1137
1138 if mouse_over_inline_blame || mouse_over_popover {
1139 editor.show_blame_popover(&blame_entry, event.position, cx);
1140 } else {
1141 editor.hide_blame_popover(cx);
1142 }
1143 } else {
1144 editor.hide_blame_popover(cx);
1145 }
1146
1147 let breakpoint_indicator = if gutter_hovered {
1148 let buffer_anchor = position_map
1149 .snapshot
1150 .display_point_to_anchor(valid_point, Bias::Left);
1151
1152 if let Some((buffer_snapshot, file)) = position_map
1153 .snapshot
1154 .buffer_snapshot
1155 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1156 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1157 {
1158 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1159
1160 let is_visible = editor
1161 .gutter_breakpoint_indicator
1162 .0
1163 .map_or(false, |indicator| indicator.is_active);
1164
1165 let has_existing_breakpoint =
1166 editor.breakpoint_store.as_ref().map_or(false, |store| {
1167 let Some(project) = &editor.project else {
1168 return false;
1169 };
1170 let Some(abs_path) = project.read(cx).absolute_path(
1171 &ProjectPath {
1172 path: file.path().clone(),
1173 worktree_id: file.worktree_id(cx),
1174 },
1175 cx,
1176 ) else {
1177 return false;
1178 };
1179 store
1180 .read(cx)
1181 .breakpoint_at_row(&abs_path, as_point.row, cx)
1182 .is_some()
1183 });
1184
1185 if !is_visible {
1186 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1187 cx.spawn(async move |this, cx| {
1188 cx.background_executor()
1189 .timer(Duration::from_millis(200))
1190 .await;
1191
1192 this.update(cx, |this, cx| {
1193 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1194 {
1195 indicator.is_active = true;
1196 cx.notify();
1197 }
1198 })
1199 .ok();
1200 })
1201 });
1202 }
1203
1204 Some(PhantomBreakpointIndicator {
1205 display_row: valid_point.row(),
1206 is_active: is_visible,
1207 collides_with_existing_breakpoint: has_existing_breakpoint,
1208 })
1209 } else {
1210 editor.gutter_breakpoint_indicator.1 = None;
1211 None
1212 }
1213 } else {
1214 editor.gutter_breakpoint_indicator.1 = None;
1215 None
1216 };
1217
1218 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1219 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1220 cx.notify();
1221 }
1222
1223 // Don't trigger hover popover if mouse is hovering over context menu
1224 if text_hovered {
1225 eprintln!("mouse_moved: text_hovered=true, calling update_hovered_link");
1226 editor.update_hovered_link(
1227 point_for_position,
1228 &position_map.snapshot,
1229 modifiers,
1230 window,
1231 cx,
1232 );
1233
1234 if let Some(point) = point_for_position.as_valid() {
1235 let anchor = position_map
1236 .snapshot
1237 .buffer_snapshot
1238 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1239 eprintln!("mouse_moved: Valid text position, calling hover_at with anchor");
1240 hover_at(editor, Some(anchor), window, cx);
1241 Self::update_visible_cursor(editor, point, position_map, window, cx);
1242 } else {
1243 eprintln!("mouse_moved: Invalid position (inlay?), NOT calling hover_at");
1244 // Don't call hover_at with None when we're over an inlay
1245 // The inlay hover is already handled by update_hovered_link
1246 }
1247 } else {
1248 editor.hide_hovered_link(cx);
1249 hover_at(editor, None, window, cx);
1250 }
1251 }
1252
1253 fn update_visible_cursor(
1254 editor: &mut Editor,
1255 point: DisplayPoint,
1256 position_map: &PositionMap,
1257 window: &mut Window,
1258 cx: &mut Context<Editor>,
1259 ) {
1260 let snapshot = &position_map.snapshot;
1261 let Some(hub) = editor.collaboration_hub() else {
1262 return;
1263 };
1264 let start = snapshot.display_snapshot.clip_point(
1265 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1266 Bias::Left,
1267 );
1268 let end = snapshot.display_snapshot.clip_point(
1269 DisplayPoint::new(
1270 point.row(),
1271 (point.column() + 1).min(snapshot.line_len(point.row())),
1272 ),
1273 Bias::Right,
1274 );
1275
1276 let range = snapshot
1277 .buffer_snapshot
1278 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1279 ..snapshot
1280 .buffer_snapshot
1281 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1282
1283 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1284 return;
1285 };
1286 let key = crate::HoveredCursor {
1287 replica_id: selection.replica_id,
1288 selection_id: selection.selection.id,
1289 };
1290 editor.hovered_cursors.insert(
1291 key.clone(),
1292 cx.spawn_in(window, async move |editor, cx| {
1293 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1294 editor
1295 .update(cx, |editor, cx| {
1296 editor.hovered_cursors.remove(&key);
1297 cx.notify();
1298 })
1299 .ok();
1300 }),
1301 );
1302 cx.notify()
1303 }
1304
1305 fn layout_selections(
1306 &self,
1307 start_anchor: Anchor,
1308 end_anchor: Anchor,
1309 local_selections: &[Selection<Point>],
1310 snapshot: &EditorSnapshot,
1311 start_row: DisplayRow,
1312 end_row: DisplayRow,
1313 window: &mut Window,
1314 cx: &mut App,
1315 ) -> (
1316 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1317 BTreeMap<DisplayRow, LineHighlightSpec>,
1318 Option<DisplayPoint>,
1319 ) {
1320 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1321 let mut active_rows = BTreeMap::new();
1322 let mut newest_selection_head = None;
1323
1324 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1325 return (selections, active_rows, newest_selection_head);
1326 };
1327
1328 editor_with_selections.update(cx, |editor, cx| {
1329 if editor.show_local_selections {
1330 let mut layouts = Vec::new();
1331 let newest = editor.selections.newest(cx);
1332 for selection in local_selections.iter().cloned() {
1333 let is_empty = selection.start == selection.end;
1334 let is_newest = selection == newest;
1335
1336 let layout = SelectionLayout::new(
1337 selection,
1338 editor.selections.line_mode,
1339 editor.cursor_shape,
1340 &snapshot.display_snapshot,
1341 is_newest,
1342 editor.leader_id.is_none(),
1343 None,
1344 );
1345 if is_newest {
1346 newest_selection_head = Some(layout.head);
1347 }
1348
1349 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1350 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1351 {
1352 let contains_non_empty_selection = active_rows
1353 .entry(DisplayRow(row))
1354 .or_insert_with(LineHighlightSpec::default);
1355 contains_non_empty_selection.selection |= !is_empty;
1356 }
1357 layouts.push(layout);
1358 }
1359
1360 let player = editor.current_user_player_color(cx);
1361 selections.push((player, layouts));
1362
1363 if let SelectionDragState::Dragging {
1364 ref selection,
1365 ref drop_cursor,
1366 ref hide_drop_cursor,
1367 } = editor.selection_drag_state
1368 {
1369 if !hide_drop_cursor
1370 && (drop_cursor
1371 .start
1372 .cmp(&selection.start, &snapshot.buffer_snapshot)
1373 .eq(&Ordering::Less)
1374 || drop_cursor
1375 .end
1376 .cmp(&selection.end, &snapshot.buffer_snapshot)
1377 .eq(&Ordering::Greater))
1378 {
1379 let drag_cursor_layout = SelectionLayout::new(
1380 drop_cursor.clone(),
1381 false,
1382 CursorShape::Bar,
1383 &snapshot.display_snapshot,
1384 false,
1385 false,
1386 None,
1387 );
1388 let absent_color = cx.theme().players().absent();
1389 selections.push((absent_color, vec![drag_cursor_layout]));
1390 }
1391 }
1392 }
1393
1394 if let Some(collaboration_hub) = &editor.collaboration_hub {
1395 // When following someone, render the local selections in their color.
1396 if let Some(leader_id) = editor.leader_id {
1397 match leader_id {
1398 CollaboratorId::PeerId(peer_id) => {
1399 if let Some(collaborator) =
1400 collaboration_hub.collaborators(cx).get(&peer_id)
1401 {
1402 if let Some(participant_index) = collaboration_hub
1403 .user_participant_indices(cx)
1404 .get(&collaborator.user_id)
1405 {
1406 if let Some((local_selection_style, _)) = selections.first_mut()
1407 {
1408 *local_selection_style = cx
1409 .theme()
1410 .players()
1411 .color_for_participant(participant_index.0);
1412 }
1413 }
1414 }
1415 }
1416 CollaboratorId::Agent => {
1417 if let Some((local_selection_style, _)) = selections.first_mut() {
1418 *local_selection_style = cx.theme().players().agent();
1419 }
1420 }
1421 }
1422 }
1423
1424 let mut remote_selections = HashMap::default();
1425 for selection in snapshot.remote_selections_in_range(
1426 &(start_anchor..end_anchor),
1427 collaboration_hub.as_ref(),
1428 cx,
1429 ) {
1430 // Don't re-render the leader's selections, since the local selections
1431 // match theirs.
1432 if Some(selection.collaborator_id) == editor.leader_id {
1433 continue;
1434 }
1435 let key = HoveredCursor {
1436 replica_id: selection.replica_id,
1437 selection_id: selection.selection.id,
1438 };
1439
1440 let is_shown =
1441 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1442
1443 remote_selections
1444 .entry(selection.replica_id)
1445 .or_insert((selection.color, Vec::new()))
1446 .1
1447 .push(SelectionLayout::new(
1448 selection.selection,
1449 selection.line_mode,
1450 selection.cursor_shape,
1451 &snapshot.display_snapshot,
1452 false,
1453 false,
1454 if is_shown { selection.user_name } else { None },
1455 ));
1456 }
1457
1458 selections.extend(remote_selections.into_values());
1459 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1460 let layouts = snapshot
1461 .buffer_snapshot
1462 .selections_in_range(&(start_anchor..end_anchor), true)
1463 .map(move |(_, line_mode, cursor_shape, selection)| {
1464 SelectionLayout::new(
1465 selection,
1466 line_mode,
1467 cursor_shape,
1468 &snapshot.display_snapshot,
1469 false,
1470 false,
1471 None,
1472 )
1473 })
1474 .collect::<Vec<_>>();
1475 let player = editor.current_user_player_color(cx);
1476 selections.push((player, layouts));
1477 }
1478 });
1479 (selections, active_rows, newest_selection_head)
1480 }
1481
1482 fn collect_cursors(
1483 &self,
1484 snapshot: &EditorSnapshot,
1485 cx: &mut App,
1486 ) -> Vec<(DisplayPoint, Hsla)> {
1487 let editor = self.editor.read(cx);
1488 let mut cursors = Vec::new();
1489 let mut skip_local = false;
1490 let mut add_cursor = |anchor: Anchor, color| {
1491 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1492 };
1493 // Remote cursors
1494 if let Some(collaboration_hub) = &editor.collaboration_hub {
1495 for remote_selection in snapshot.remote_selections_in_range(
1496 &(Anchor::min()..Anchor::max()),
1497 collaboration_hub.deref(),
1498 cx,
1499 ) {
1500 add_cursor(
1501 remote_selection.selection.head(),
1502 remote_selection.color.cursor,
1503 );
1504 if Some(remote_selection.collaborator_id) == editor.leader_id {
1505 skip_local = true;
1506 }
1507 }
1508 }
1509 // Local cursors
1510 if !skip_local {
1511 let color = cx.theme().players().local().cursor;
1512 editor.selections.disjoint.iter().for_each(|selection| {
1513 add_cursor(selection.head(), color);
1514 });
1515 if let Some(ref selection) = editor.selections.pending_anchor() {
1516 add_cursor(selection.head(), color);
1517 }
1518 }
1519 cursors
1520 }
1521
1522 fn layout_visible_cursors(
1523 &self,
1524 snapshot: &EditorSnapshot,
1525 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1526 row_block_types: &HashMap<DisplayRow, bool>,
1527 visible_display_row_range: Range<DisplayRow>,
1528 line_layouts: &[LineWithInvisibles],
1529 text_hitbox: &Hitbox,
1530 content_origin: gpui::Point<Pixels>,
1531 scroll_position: gpui::Point<f32>,
1532 scroll_pixel_position: gpui::Point<Pixels>,
1533 line_height: Pixels,
1534 em_width: Pixels,
1535 em_advance: Pixels,
1536 autoscroll_containing_element: bool,
1537 window: &mut Window,
1538 cx: &mut App,
1539 ) -> Vec<CursorLayout> {
1540 let mut autoscroll_bounds = None;
1541 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1542 let mut cursors = Vec::new();
1543
1544 let show_local_cursors = editor.show_local_cursors(window, cx);
1545
1546 for (player_color, selections) in selections {
1547 for selection in selections {
1548 let cursor_position = selection.head;
1549
1550 let in_range = visible_display_row_range.contains(&cursor_position.row());
1551 if (selection.is_local && !show_local_cursors)
1552 || !in_range
1553 || row_block_types.get(&cursor_position.row()) == Some(&true)
1554 {
1555 continue;
1556 }
1557
1558 let cursor_row_layout = &line_layouts
1559 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1560 let cursor_column = cursor_position.column() as usize;
1561
1562 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1563 let mut block_width =
1564 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1565 if block_width == Pixels::ZERO {
1566 block_width = em_advance;
1567 }
1568 let block_text = if let CursorShape::Block = selection.cursor_shape {
1569 snapshot
1570 .grapheme_at(cursor_position)
1571 .or_else(|| {
1572 if snapshot.is_empty() {
1573 snapshot.placeholder_text().and_then(|s| {
1574 s.graphemes(true).next().map(|s| s.to_string().into())
1575 })
1576 } else {
1577 None
1578 }
1579 })
1580 .map(|text| {
1581 let len = text.len();
1582
1583 let font = cursor_row_layout
1584 .font_id_for_index(cursor_column)
1585 .and_then(|cursor_font_id| {
1586 window.text_system().get_font_for_id(cursor_font_id)
1587 })
1588 .unwrap_or(self.style.text.font());
1589
1590 // Invert the text color for the block cursor. Ensure that the text
1591 // color is opaque enough to be visible against the background color.
1592 //
1593 // 0.75 is an arbitrary threshold to determine if the background color is
1594 // opaque enough to use as a text color.
1595 //
1596 // TODO: In the future we should ensure themes have a `text_inverse` color.
1597 let color = if cx.theme().colors().editor_background.a < 0.75 {
1598 match cx.theme().appearance {
1599 Appearance::Dark => Hsla::black(),
1600 Appearance::Light => Hsla::white(),
1601 }
1602 } else {
1603 cx.theme().colors().editor_background
1604 };
1605
1606 window.text_system().shape_line(
1607 text,
1608 cursor_row_layout.font_size,
1609 &[TextRun {
1610 len,
1611 font,
1612 color,
1613 background_color: None,
1614 strikethrough: None,
1615 underline: None,
1616 }],
1617 )
1618 })
1619 } else {
1620 None
1621 };
1622
1623 let x = cursor_character_x - scroll_pixel_position.x;
1624 let y = (cursor_position.row().as_f32()
1625 - scroll_pixel_position.y / line_height)
1626 * line_height;
1627 if selection.is_newest {
1628 editor.pixel_position_of_newest_cursor = Some(point(
1629 text_hitbox.origin.x + x + block_width / 2.,
1630 text_hitbox.origin.y + y + line_height / 2.,
1631 ));
1632
1633 if autoscroll_containing_element {
1634 let top = text_hitbox.origin.y
1635 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1636 * line_height;
1637 let left = text_hitbox.origin.x
1638 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1639 .max(0.)
1640 * em_width;
1641
1642 let bottom = text_hitbox.origin.y
1643 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1644 * line_height;
1645 let right = text_hitbox.origin.x
1646 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1647 * em_width;
1648
1649 autoscroll_bounds =
1650 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1651 }
1652 }
1653
1654 let mut cursor = CursorLayout {
1655 color: player_color.cursor,
1656 block_width,
1657 origin: point(x, y),
1658 line_height,
1659 shape: selection.cursor_shape,
1660 block_text,
1661 cursor_name: None,
1662 };
1663 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1664 string: name,
1665 color: self.style.background,
1666 is_top_row: cursor_position.row().0 == 0,
1667 });
1668 cursor.layout(content_origin, cursor_name, window, cx);
1669 cursors.push(cursor);
1670 }
1671 }
1672
1673 cursors
1674 });
1675
1676 if let Some(bounds) = autoscroll_bounds {
1677 window.request_autoscroll(bounds);
1678 }
1679
1680 cursor_layouts
1681 }
1682
1683 fn layout_scrollbars(
1684 &self,
1685 snapshot: &EditorSnapshot,
1686 scrollbar_layout_information: &ScrollbarLayoutInformation,
1687 content_offset: gpui::Point<Pixels>,
1688 scroll_position: gpui::Point<f32>,
1689 non_visible_cursors: bool,
1690 right_margin: Pixels,
1691 editor_width: Pixels,
1692 window: &mut Window,
1693 cx: &mut App,
1694 ) -> Option<EditorScrollbars> {
1695 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1696 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1697 || self.style.scrollbar_width.is_zero()
1698 {
1699 return None;
1700 }
1701
1702 // If a drag took place after we started dragging the scrollbar,
1703 // cancel the scrollbar drag.
1704 if cx.has_active_drag() {
1705 self.editor.update(cx, |editor, cx| {
1706 editor.scroll_manager.reset_scrollbar_state(cx)
1707 });
1708 }
1709
1710 let editor_settings = EditorSettings::get_global(cx);
1711 let scrollbar_settings = editor_settings.scrollbar;
1712 let show_scrollbars = match scrollbar_settings.show {
1713 ShowScrollbar::Auto => {
1714 let editor = self.editor.read(cx);
1715 let is_singleton = editor.is_singleton(cx);
1716 // Git
1717 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1718 ||
1719 // Buffer Search Results
1720 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1721 ||
1722 // Selected Text Occurrences
1723 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1724 ||
1725 // Selected Symbol Occurrences
1726 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1727 ||
1728 // Diagnostics
1729 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1730 ||
1731 // Cursors out of sight
1732 non_visible_cursors
1733 ||
1734 // Scrollmanager
1735 editor.scroll_manager.scrollbars_visible()
1736 }
1737 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1738 ShowScrollbar::Always => true,
1739 ShowScrollbar::Never => return None,
1740 };
1741
1742 // The horizontal scrollbar is usually slightly offset to align nicely with
1743 // indent guides. However, this offset is not needed if indent guides are
1744 // disabled for the current editor.
1745 let content_offset = self
1746 .editor
1747 .read(cx)
1748 .show_indent_guides
1749 .is_none_or(|should_show| should_show)
1750 .then_some(content_offset)
1751 .unwrap_or_default();
1752
1753 Some(EditorScrollbars::from_scrollbar_axes(
1754 ScrollbarAxes {
1755 horizontal: scrollbar_settings.axes.horizontal
1756 && self.editor.read(cx).show_scrollbars.horizontal,
1757 vertical: scrollbar_settings.axes.vertical
1758 && self.editor.read(cx).show_scrollbars.vertical,
1759 },
1760 scrollbar_layout_information,
1761 content_offset,
1762 scroll_position,
1763 self.style.scrollbar_width,
1764 right_margin,
1765 editor_width,
1766 show_scrollbars,
1767 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1768 window,
1769 ))
1770 }
1771
1772 fn layout_minimap(
1773 &self,
1774 snapshot: &EditorSnapshot,
1775 minimap_width: Pixels,
1776 scroll_position: gpui::Point<f32>,
1777 scrollbar_layout_information: &ScrollbarLayoutInformation,
1778 scrollbar_layout: Option<&EditorScrollbars>,
1779 window: &mut Window,
1780 cx: &mut App,
1781 ) -> Option<MinimapLayout> {
1782 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1783
1784 let minimap_settings = EditorSettings::get_global(cx).minimap;
1785
1786 if minimap_settings.on_active_editor() {
1787 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1788 ws.read(cx)
1789 .active_pane()
1790 .read(cx)
1791 .active_item()
1792 .and_then(|i| i.act_as::<Editor>(cx))
1793 });
1794 if active_editor.is_some_and(|e| e != self.editor) {
1795 return None;
1796 }
1797 }
1798
1799 if !snapshot.mode.is_full()
1800 || minimap_width.is_zero()
1801 || matches!(
1802 minimap_settings.show,
1803 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1804 )
1805 {
1806 return None;
1807 }
1808
1809 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1810
1811 let ScrollbarLayoutInformation {
1812 editor_bounds,
1813 scroll_range,
1814 glyph_grid_cell,
1815 } = scrollbar_layout_information;
1816
1817 let line_height = glyph_grid_cell.height;
1818 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1819
1820 let top_right_anchor = scrollbar_layout
1821 .and_then(|layout| layout.vertical.as_ref())
1822 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1823 .unwrap_or_else(|| editor_bounds.top_right());
1824
1825 let thumb_state = self
1826 .editor
1827 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1828
1829 let show_thumb = match minimap_settings.thumb {
1830 MinimapThumb::Always => true,
1831 MinimapThumb::Hover => thumb_state.is_some(),
1832 };
1833
1834 let minimap_bounds = Bounds::from_corner_and_size(
1835 Corner::TopRight,
1836 top_right_anchor,
1837 size(minimap_width, editor_bounds.size.height),
1838 );
1839 let minimap_line_height = self.get_minimap_line_height(
1840 minimap_editor
1841 .read(cx)
1842 .text_style_refinement
1843 .as_ref()
1844 .and_then(|refinement| refinement.font_size)
1845 .unwrap_or(MINIMAP_FONT_SIZE),
1846 window,
1847 cx,
1848 );
1849 let minimap_height = minimap_bounds.size.height;
1850
1851 let visible_editor_lines = editor_bounds.size.height / line_height;
1852 let total_editor_lines = scroll_range.height / line_height;
1853 let minimap_lines = minimap_height / minimap_line_height;
1854
1855 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1856 total_editor_lines,
1857 visible_editor_lines,
1858 minimap_lines,
1859 scroll_position,
1860 );
1861
1862 let layout = ScrollbarLayout::for_minimap(
1863 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1864 visible_editor_lines,
1865 total_editor_lines,
1866 minimap_line_height,
1867 scroll_position,
1868 minimap_scroll_top,
1869 show_thumb,
1870 )
1871 .with_thumb_state(thumb_state);
1872
1873 minimap_editor.update(cx, |editor, cx| {
1874 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1875 });
1876
1877 // Required for the drop shadow to be visible
1878 const PADDING_OFFSET: Pixels = px(4.);
1879
1880 let mut minimap = div()
1881 .size_full()
1882 .shadow_sm()
1883 .px(PADDING_OFFSET)
1884 .child(minimap_editor)
1885 .into_any_element();
1886
1887 let extended_bounds = minimap_bounds.extend(Edges {
1888 right: PADDING_OFFSET,
1889 left: PADDING_OFFSET,
1890 ..Default::default()
1891 });
1892 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1893 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1894 minimap.prepaint(window, cx)
1895 });
1896
1897 Some(MinimapLayout {
1898 minimap,
1899 thumb_layout: layout,
1900 thumb_border_style: minimap_settings.thumb_border,
1901 minimap_line_height,
1902 minimap_scroll_top,
1903 max_scroll_top: total_editor_lines,
1904 })
1905 }
1906
1907 fn get_minimap_line_height(
1908 &self,
1909 font_size: AbsoluteLength,
1910 window: &mut Window,
1911 cx: &mut App,
1912 ) -> Pixels {
1913 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1914 let mut text_style = self.style.text.clone();
1915 text_style.font_size = font_size;
1916 text_style.line_height_in_pixels(rem_size)
1917 }
1918
1919 fn get_minimap_width(
1920 &self,
1921 minimap_settings: &Minimap,
1922 scrollbars_shown: bool,
1923 text_width: Pixels,
1924 em_width: Pixels,
1925 font_size: Pixels,
1926 rem_size: Pixels,
1927 cx: &App,
1928 ) -> Option<Pixels> {
1929 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1930 return None;
1931 }
1932
1933 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1934 editor.minimap().map(|minimap_editor| {
1935 minimap_editor
1936 .read(cx)
1937 .text_style_refinement
1938 .as_ref()
1939 .and_then(|refinement| refinement.font_size)
1940 .unwrap_or(MINIMAP_FONT_SIZE)
1941 })
1942 })?;
1943
1944 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1945
1946 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1947 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1948
1949 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1950 .then_some(minimap_width)
1951 }
1952
1953 fn prepaint_crease_toggles(
1954 &self,
1955 crease_toggles: &mut [Option<AnyElement>],
1956 line_height: Pixels,
1957 gutter_dimensions: &GutterDimensions,
1958 gutter_settings: crate::editor_settings::Gutter,
1959 scroll_pixel_position: gpui::Point<Pixels>,
1960 gutter_hitbox: &Hitbox,
1961 window: &mut Window,
1962 cx: &mut App,
1963 ) {
1964 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1965 if let Some(crease_toggle) = crease_toggle {
1966 debug_assert!(gutter_settings.folds);
1967 let available_space = size(
1968 AvailableSpace::MinContent,
1969 AvailableSpace::Definite(line_height * 0.55),
1970 );
1971 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1972
1973 let position = point(
1974 gutter_dimensions.width - gutter_dimensions.right_padding,
1975 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
1976 );
1977 let centering_offset = point(
1978 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
1979 (line_height - crease_toggle_size.height) / 2.,
1980 );
1981 let origin = gutter_hitbox.origin + position + centering_offset;
1982 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
1983 }
1984 }
1985 }
1986
1987 fn prepaint_expand_toggles(
1988 &self,
1989 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
1990 window: &mut Window,
1991 cx: &mut App,
1992 ) {
1993 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
1994 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
1995 expand_toggle.layout_as_root(available_space, window, cx);
1996 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
1997 }
1998 }
1999
2000 fn prepaint_crease_trailers(
2001 &self,
2002 trailers: Vec<Option<AnyElement>>,
2003 lines: &[LineWithInvisibles],
2004 line_height: Pixels,
2005 content_origin: gpui::Point<Pixels>,
2006 scroll_pixel_position: gpui::Point<Pixels>,
2007 em_width: Pixels,
2008 window: &mut Window,
2009 cx: &mut App,
2010 ) -> Vec<Option<CreaseTrailerLayout>> {
2011 trailers
2012 .into_iter()
2013 .enumerate()
2014 .map(|(ix, element)| {
2015 let mut element = element?;
2016 let available_space = size(
2017 AvailableSpace::MinContent,
2018 AvailableSpace::Definite(line_height),
2019 );
2020 let size = element.layout_as_root(available_space, window, cx);
2021
2022 let line = &lines[ix];
2023 let padding = if line.width == Pixels::ZERO {
2024 Pixels::ZERO
2025 } else {
2026 4. * em_width
2027 };
2028 let position = point(
2029 scroll_pixel_position.x + line.width + padding,
2030 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2031 );
2032 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2033 let origin = content_origin + position + centering_offset;
2034 element.prepaint_as_root(origin, available_space, window, cx);
2035 Some(CreaseTrailerLayout {
2036 element,
2037 bounds: Bounds::new(origin, size),
2038 })
2039 })
2040 .collect()
2041 }
2042
2043 // Folds contained in a hunk are ignored apart from shrinking visual size
2044 // If a fold contains any hunks then that fold line is marked as modified
2045 fn layout_gutter_diff_hunks(
2046 &self,
2047 line_height: Pixels,
2048 gutter_hitbox: &Hitbox,
2049 display_rows: Range<DisplayRow>,
2050 snapshot: &EditorSnapshot,
2051 window: &mut Window,
2052 cx: &mut App,
2053 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2054 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2055 let mut display_hunks = snapshot
2056 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2057 .map(|hunk| (hunk, None))
2058 .collect::<Vec<_>>();
2059 let git_gutter_setting = ProjectSettings::get_global(cx)
2060 .git
2061 .git_gutter
2062 .unwrap_or_default();
2063 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2064 for (hunk, hitbox) in &mut display_hunks {
2065 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2066 let hunk_bounds =
2067 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2068 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2069 }
2070 }
2071 }
2072
2073 display_hunks
2074 }
2075
2076 fn layout_inline_diagnostics(
2077 &self,
2078 line_layouts: &[LineWithInvisibles],
2079 crease_trailers: &[Option<CreaseTrailerLayout>],
2080 row_block_types: &HashMap<DisplayRow, bool>,
2081 content_origin: gpui::Point<Pixels>,
2082 scroll_pixel_position: gpui::Point<Pixels>,
2083 inline_completion_popover_origin: Option<gpui::Point<Pixels>>,
2084 start_row: DisplayRow,
2085 end_row: DisplayRow,
2086 line_height: Pixels,
2087 em_width: Pixels,
2088 style: &EditorStyle,
2089 window: &mut Window,
2090 cx: &mut App,
2091 ) -> HashMap<DisplayRow, AnyElement> {
2092 if self.editor.read(cx).mode().is_minimap() {
2093 return HashMap::default();
2094 }
2095
2096 let max_severity = match ProjectSettings::get_global(cx)
2097 .diagnostics
2098 .inline
2099 .max_severity
2100 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2101 .into_lsp()
2102 {
2103 Some(max_severity) => max_severity,
2104 None => return HashMap::default(),
2105 };
2106
2107 let active_diagnostics_group =
2108 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2109 Some(group.group_id)
2110 } else {
2111 None
2112 };
2113
2114 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2115 let snapshot = editor.snapshot(window, cx);
2116 editor
2117 .inline_diagnostics
2118 .iter()
2119 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2120 .filter(|(_, diagnostic)| match active_diagnostics_group {
2121 Some(active_diagnostics_group) => {
2122 // Active diagnostics are all shown in the editor already, no need to display them inline
2123 diagnostic.group_id != active_diagnostics_group
2124 }
2125 None => true,
2126 })
2127 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2128 .skip_while(|(point, _)| point.row() < start_row)
2129 .take_while(|(point, _)| point.row() < end_row)
2130 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2131 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2132 acc.entry(point.row())
2133 .or_insert_with(Vec::new)
2134 .push(diagnostic);
2135 acc
2136 })
2137 });
2138
2139 if diagnostics_by_rows.is_empty() {
2140 return HashMap::default();
2141 }
2142
2143 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2144 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2145 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2146 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2147 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2148 _ => Color::Error,
2149 };
2150
2151 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2152 let min_x = ProjectSettings::get_global(cx)
2153 .diagnostics
2154 .inline
2155 .min_column as f32
2156 * em_width;
2157
2158 let mut elements = HashMap::default();
2159 for (row, mut diagnostics) in diagnostics_by_rows {
2160 diagnostics.sort_by_key(|diagnostic| {
2161 (
2162 diagnostic.severity,
2163 std::cmp::Reverse(diagnostic.is_primary),
2164 diagnostic.start.row,
2165 diagnostic.start.column,
2166 )
2167 });
2168
2169 let Some(diagnostic_to_render) = diagnostics
2170 .iter()
2171 .find(|diagnostic| diagnostic.is_primary)
2172 .or_else(|| diagnostics.first())
2173 else {
2174 continue;
2175 };
2176
2177 let pos_y = content_origin.y
2178 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2179
2180 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2181 let pos_x = {
2182 let crease_trailer_layout = &crease_trailers[window_ix];
2183 let line_layout = &line_layouts[window_ix];
2184
2185 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2186 crease_trailer.bounds.right()
2187 } else {
2188 content_origin.x - scroll_pixel_position.x + line_layout.width
2189 };
2190
2191 let padded_line = line_end + padding;
2192 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2193
2194 cmp::max(padded_line, min_start)
2195 };
2196
2197 let behind_inline_completion_popover = inline_completion_popover_origin
2198 .as_ref()
2199 .map_or(false, |inline_completion_popover_origin| {
2200 (pos_y..pos_y + line_height).contains(&inline_completion_popover_origin.y)
2201 });
2202 let opacity = if behind_inline_completion_popover {
2203 0.5
2204 } else {
2205 1.0
2206 };
2207
2208 let mut element = h_flex()
2209 .id(("diagnostic", row.0))
2210 .h(line_height)
2211 .w_full()
2212 .px_1()
2213 .rounded_xs()
2214 .opacity(opacity)
2215 .bg(severity_to_color(&diagnostic_to_render.severity)
2216 .color(cx)
2217 .opacity(0.05))
2218 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2219 .text_sm()
2220 .font_family(style.text.font().family)
2221 .child(diagnostic_to_render.message.clone())
2222 .into_any();
2223
2224 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2225
2226 elements.insert(row, element);
2227 }
2228
2229 elements
2230 }
2231
2232 fn layout_inline_code_actions(
2233 &self,
2234 display_point: DisplayPoint,
2235 content_origin: gpui::Point<Pixels>,
2236 scroll_pixel_position: gpui::Point<Pixels>,
2237 line_height: Pixels,
2238 snapshot: &EditorSnapshot,
2239 window: &mut Window,
2240 cx: &mut App,
2241 ) -> Option<AnyElement> {
2242 if !snapshot
2243 .show_code_actions
2244 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2245 {
2246 return None;
2247 }
2248
2249 let icon_size = ui::IconSize::XSmall;
2250 let mut button = self.editor.update(cx, |editor, cx| {
2251 editor.available_code_actions.as_ref()?;
2252 let active = editor
2253 .context_menu
2254 .borrow()
2255 .as_ref()
2256 .and_then(|menu| {
2257 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2258 deployed_from,
2259 ..
2260 }) = menu
2261 {
2262 deployed_from.as_ref()
2263 } else {
2264 None
2265 }
2266 })
2267 .map_or(false, |source| {
2268 matches!(source, CodeActionSource::Indicator(..))
2269 });
2270 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2271 })?;
2272
2273 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2274
2275 // do not show code action for folded line
2276 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2277 return None;
2278 }
2279
2280 // do not show code action for blank line with cursor
2281 let line_indent = snapshot
2282 .display_snapshot
2283 .buffer_snapshot
2284 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2285 if line_indent.is_line_blank() {
2286 return None;
2287 }
2288
2289 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2290 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2291
2292 let excerpt_id = snapshot
2293 .display_snapshot
2294 .buffer_snapshot
2295 .excerpt_containing(buffer_point..buffer_point)
2296 .map(|excerpt| excerpt.id());
2297
2298 let is_valid_row = |row_candidate: u32| -> bool {
2299 // move to other row if folded row
2300 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2301 return false;
2302 }
2303 if buffer_point.row == row_candidate {
2304 // move to other row if cursor is in slot
2305 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2306 return false;
2307 }
2308 } else {
2309 let candidate_point = MultiBufferPoint {
2310 row: row_candidate,
2311 column: 0,
2312 };
2313 let candidate_excerpt_id = snapshot
2314 .display_snapshot
2315 .buffer_snapshot
2316 .excerpt_containing(candidate_point..candidate_point)
2317 .map(|excerpt| excerpt.id());
2318 // move to other row if different excerpt
2319 if excerpt_id != candidate_excerpt_id {
2320 return false;
2321 }
2322 }
2323 let line_indent = snapshot
2324 .display_snapshot
2325 .buffer_snapshot
2326 .line_indent_for_row(MultiBufferRow(row_candidate));
2327 // use this row if it's blank
2328 if line_indent.is_line_blank() {
2329 true
2330 } else {
2331 // use this row if code starts after slot
2332 let indent_size = snapshot
2333 .display_snapshot
2334 .buffer_snapshot
2335 .indent_size_for_line(MultiBufferRow(row_candidate));
2336 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2337 }
2338 };
2339
2340 let new_buffer_row = if is_valid_row(buffer_point.row) {
2341 Some(buffer_point.row)
2342 } else {
2343 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2344 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2345 let row_above = buffer_point.row.saturating_sub(offset);
2346 let row_below = buffer_point.row + offset;
2347 if row_above != buffer_point.row && is_valid_row(row_above) {
2348 Some(row_above)
2349 } else if row_below <= max_row && is_valid_row(row_below) {
2350 Some(row_below)
2351 } else {
2352 None
2353 }
2354 })
2355 }?;
2356
2357 let new_display_row = snapshot
2358 .display_snapshot
2359 .point_to_display_point(
2360 Point {
2361 row: new_buffer_row,
2362 column: buffer_point.column,
2363 },
2364 text::Bias::Left,
2365 )
2366 .row();
2367
2368 let start_y = content_origin.y
2369 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2370 + (line_height / 2.0)
2371 - (icon_size.square(window, cx) / 2.);
2372 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2373
2374 let absolute_offset = gpui::point(start_x, start_y);
2375 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2376 button.prepaint_as_root(
2377 absolute_offset,
2378 gpui::AvailableSpace::min_size(),
2379 window,
2380 cx,
2381 );
2382 Some(button)
2383 }
2384
2385 fn layout_inline_blame(
2386 &self,
2387 display_row: DisplayRow,
2388 row_info: &RowInfo,
2389 line_layout: &LineWithInvisibles,
2390 crease_trailer: Option<&CreaseTrailerLayout>,
2391 em_width: Pixels,
2392 content_origin: gpui::Point<Pixels>,
2393 scroll_pixel_position: gpui::Point<Pixels>,
2394 line_height: Pixels,
2395 text_hitbox: &Hitbox,
2396 window: &mut Window,
2397 cx: &mut App,
2398 ) -> Option<InlineBlameLayout> {
2399 if !self
2400 .editor
2401 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2402 {
2403 return None;
2404 }
2405
2406 let editor = self.editor.read(cx);
2407 let blame = editor.blame.clone()?;
2408 let padding = {
2409 const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 6.;
2410 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2411
2412 let mut padding = INLINE_BLAME_PADDING_EM_WIDTHS;
2413
2414 if let Some(inline_completion) = editor.active_inline_completion.as_ref() {
2415 match &inline_completion.completion {
2416 InlineCompletion::Edit {
2417 display_mode: EditDisplayMode::TabAccept,
2418 ..
2419 } => padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS,
2420 _ => {}
2421 }
2422 }
2423
2424 padding * em_width
2425 };
2426
2427 let entry = blame
2428 .update(cx, |blame, cx| {
2429 blame.blame_for_rows(&[*row_info], cx).next()
2430 })
2431 .flatten()?;
2432
2433 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2434
2435 let start_y = content_origin.y
2436 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2437
2438 let start_x = {
2439 let line_end = if let Some(crease_trailer) = crease_trailer {
2440 crease_trailer.bounds.right()
2441 } else {
2442 content_origin.x - scroll_pixel_position.x + line_layout.width
2443 };
2444
2445 let padded_line_end = line_end + padding;
2446
2447 let min_column_in_pixels = ProjectSettings::get_global(cx)
2448 .git
2449 .inline_blame
2450 .and_then(|settings| settings.min_column)
2451 .map(|col| self.column_pixels(col as usize, window, cx))
2452 .unwrap_or(px(0.));
2453 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2454
2455 cmp::max(padded_line_end, min_start)
2456 };
2457
2458 let absolute_offset = point(start_x, start_y);
2459 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2460 let bounds = Bounds::new(absolute_offset, size);
2461
2462 self.layout_blame_entry_popover(entry.clone(), blame, line_height, text_hitbox, window, cx);
2463
2464 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2465
2466 Some(InlineBlameLayout {
2467 element,
2468 bounds,
2469 entry,
2470 })
2471 }
2472
2473 fn layout_blame_entry_popover(
2474 &self,
2475 blame_entry: BlameEntry,
2476 blame: Entity<GitBlame>,
2477 line_height: Pixels,
2478 text_hitbox: &Hitbox,
2479 window: &mut Window,
2480 cx: &mut App,
2481 ) {
2482 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2483 editor
2484 .inline_blame_popover
2485 .as_ref()
2486 .map(|state| (state.popover_state.clone(), state.position))
2487 }) else {
2488 return;
2489 };
2490
2491 let workspace = self
2492 .editor
2493 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2494
2495 let maybe_element = workspace.and_then(|workspace| {
2496 render_blame_entry_popover(
2497 blame_entry,
2498 popover_state.scroll_handle,
2499 popover_state.commit_message,
2500 popover_state.markdown,
2501 workspace,
2502 &blame,
2503 window,
2504 cx,
2505 )
2506 });
2507
2508 if let Some(mut element) = maybe_element {
2509 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2510 let overall_height = size.height + HOVER_POPOVER_GAP;
2511 let popover_origin = if target_point.y > overall_height {
2512 point(target_point.x, target_point.y - size.height)
2513 } else {
2514 point(
2515 target_point.x,
2516 target_point.y + line_height + HOVER_POPOVER_GAP,
2517 )
2518 };
2519
2520 let horizontal_offset = (text_hitbox.top_right().x
2521 - POPOVER_RIGHT_OFFSET
2522 - (popover_origin.x + size.width))
2523 .min(Pixels::ZERO);
2524
2525 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2526 let popover_bounds = Bounds::new(origin, size);
2527
2528 self.editor.update(cx, |editor, _| {
2529 if let Some(state) = &mut editor.inline_blame_popover {
2530 state.popover_bounds = Some(popover_bounds);
2531 }
2532 });
2533
2534 window.defer_draw(element, origin, 2);
2535 }
2536 }
2537
2538 fn layout_blame_entries(
2539 &self,
2540 buffer_rows: &[RowInfo],
2541 em_width: Pixels,
2542 scroll_position: gpui::Point<f32>,
2543 line_height: Pixels,
2544 gutter_hitbox: &Hitbox,
2545 max_width: Option<Pixels>,
2546 window: &mut Window,
2547 cx: &mut App,
2548 ) -> Option<Vec<AnyElement>> {
2549 if !self
2550 .editor
2551 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2552 {
2553 return None;
2554 }
2555
2556 let blame = self.editor.read(cx).blame.clone()?;
2557 let workspace = self.editor.read(cx).workspace()?;
2558 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2559 blame.blame_for_rows(buffer_rows, cx).collect()
2560 });
2561
2562 let width = if let Some(max_width) = max_width {
2563 AvailableSpace::Definite(max_width)
2564 } else {
2565 AvailableSpace::MaxContent
2566 };
2567 let scroll_top = scroll_position.y * line_height;
2568 let start_x = em_width;
2569
2570 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2571 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2572
2573 let shaped_lines = blamed_rows
2574 .into_iter()
2575 .enumerate()
2576 .flat_map(|(ix, blame_entry)| {
2577 let mut element = render_blame_entry(
2578 ix,
2579 &blame,
2580 blame_entry?,
2581 &self.style,
2582 &mut last_used_color,
2583 self.editor.clone(),
2584 workspace.clone(),
2585 blame_renderer.clone(),
2586 cx,
2587 )?;
2588
2589 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2590 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2591
2592 element.prepaint_as_root(
2593 absolute_offset,
2594 size(width, AvailableSpace::MinContent),
2595 window,
2596 cx,
2597 );
2598
2599 Some(element)
2600 })
2601 .collect();
2602
2603 Some(shaped_lines)
2604 }
2605
2606 fn layout_indent_guides(
2607 &self,
2608 content_origin: gpui::Point<Pixels>,
2609 text_origin: gpui::Point<Pixels>,
2610 visible_buffer_range: Range<MultiBufferRow>,
2611 scroll_pixel_position: gpui::Point<Pixels>,
2612 line_height: Pixels,
2613 snapshot: &DisplaySnapshot,
2614 window: &mut Window,
2615 cx: &mut App,
2616 ) -> Option<Vec<IndentGuideLayout>> {
2617 if self.editor.read(cx).mode().is_minimap() {
2618 return None;
2619 }
2620 let indent_guides = self.editor.update(cx, |editor, cx| {
2621 editor.indent_guides(visible_buffer_range, snapshot, cx)
2622 })?;
2623
2624 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2625 editor
2626 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2627 .unwrap_or_default()
2628 });
2629
2630 Some(
2631 indent_guides
2632 .into_iter()
2633 .enumerate()
2634 .filter_map(|(i, indent_guide)| {
2635 let single_indent_width =
2636 self.column_pixels(indent_guide.tab_size as usize, window, cx);
2637 let total_width = single_indent_width * indent_guide.depth as f32;
2638 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2639 if start_x >= text_origin.x {
2640 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2641 indent_guide.start_row..indent_guide.end_row,
2642 line_height,
2643 snapshot,
2644 );
2645
2646 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2647
2648 Some(IndentGuideLayout {
2649 origin: point(start_x, start_y),
2650 length,
2651 single_indent_width,
2652 depth: indent_guide.depth,
2653 active: active_indent_guide_indices.contains(&i),
2654 settings: indent_guide.settings,
2655 })
2656 } else {
2657 None
2658 }
2659 })
2660 .collect(),
2661 )
2662 }
2663
2664 fn calculate_indent_guide_bounds(
2665 row_range: Range<MultiBufferRow>,
2666 line_height: Pixels,
2667 snapshot: &DisplaySnapshot,
2668 ) -> (gpui::Pixels, gpui::Pixels) {
2669 let start_point = Point::new(row_range.start.0, 0);
2670 let end_point = Point::new(row_range.end.0, 0);
2671
2672 let row_range = start_point.to_display_point(snapshot).row()
2673 ..end_point.to_display_point(snapshot).row();
2674
2675 let mut prev_line = start_point;
2676 prev_line.row = prev_line.row.saturating_sub(1);
2677 let prev_line = prev_line.to_display_point(snapshot).row();
2678
2679 let mut cons_line = end_point;
2680 cons_line.row += 1;
2681 let cons_line = cons_line.to_display_point(snapshot).row();
2682
2683 let mut offset_y = row_range.start.0 as f32 * line_height;
2684 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2685
2686 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2687 if row_range.end == cons_line {
2688 length += line_height;
2689 }
2690
2691 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2692 // we want to extend the indent guide to the start of the block.
2693 let mut block_height = 0;
2694 let mut block_offset = 0;
2695 let mut found_excerpt_header = false;
2696 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2697 if matches!(block, Block::ExcerptBoundary { .. }) {
2698 found_excerpt_header = true;
2699 break;
2700 }
2701 block_offset += block.height();
2702 block_height += block.height();
2703 }
2704 if !found_excerpt_header {
2705 offset_y -= block_offset as f32 * line_height;
2706 length += block_height as f32 * line_height;
2707 }
2708
2709 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2710 // we want to ensure that the indent guide stops before the excerpt header.
2711 let mut block_height = 0;
2712 let mut found_excerpt_header = false;
2713 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2714 if matches!(block, Block::ExcerptBoundary { .. }) {
2715 found_excerpt_header = true;
2716 }
2717 block_height += block.height();
2718 }
2719 if found_excerpt_header {
2720 length -= block_height as f32 * line_height;
2721 }
2722
2723 (offset_y, length)
2724 }
2725
2726 fn layout_breakpoints(
2727 &self,
2728 line_height: Pixels,
2729 range: Range<DisplayRow>,
2730 scroll_pixel_position: gpui::Point<Pixels>,
2731 gutter_dimensions: &GutterDimensions,
2732 gutter_hitbox: &Hitbox,
2733 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2734 snapshot: &EditorSnapshot,
2735 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2736 row_infos: &[RowInfo],
2737 window: &mut Window,
2738 cx: &mut App,
2739 ) -> Vec<AnyElement> {
2740 self.editor.update(cx, |editor, cx| {
2741 breakpoints
2742 .into_iter()
2743 .filter_map(|(display_row, (text_anchor, bp, state))| {
2744 if row_infos
2745 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2746 .is_some_and(|row_info| {
2747 row_info.expand_info.is_some()
2748 || row_info
2749 .diff_status
2750 .is_some_and(|status| status.is_deleted())
2751 })
2752 {
2753 return None;
2754 }
2755
2756 if range.start > display_row || range.end < display_row {
2757 return None;
2758 }
2759
2760 let row =
2761 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(&snapshot).row);
2762 if snapshot.is_line_folded(row) {
2763 return None;
2764 }
2765
2766 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2767
2768 let button = prepaint_gutter_button(
2769 button,
2770 display_row,
2771 line_height,
2772 gutter_dimensions,
2773 scroll_pixel_position,
2774 gutter_hitbox,
2775 display_hunks,
2776 window,
2777 cx,
2778 );
2779 Some(button)
2780 })
2781 .collect_vec()
2782 })
2783 }
2784
2785 #[allow(clippy::too_many_arguments)]
2786 fn layout_run_indicators(
2787 &self,
2788 line_height: Pixels,
2789 range: Range<DisplayRow>,
2790 row_infos: &[RowInfo],
2791 scroll_pixel_position: gpui::Point<Pixels>,
2792 gutter_dimensions: &GutterDimensions,
2793 gutter_hitbox: &Hitbox,
2794 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2795 snapshot: &EditorSnapshot,
2796 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2797 window: &mut Window,
2798 cx: &mut App,
2799 ) -> Vec<AnyElement> {
2800 self.editor.update(cx, |editor, cx| {
2801 let active_task_indicator_row =
2802 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2803 deployed_from,
2804 actions,
2805 ..
2806 })) = editor.context_menu.borrow().as_ref()
2807 {
2808 actions
2809 .tasks()
2810 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2811 .or_else(|| match deployed_from {
2812 Some(CodeActionSource::Indicator(row)) => Some(*row),
2813 _ => None,
2814 })
2815 } else {
2816 None
2817 };
2818
2819 let offset_range_start =
2820 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2821
2822 let offset_range_end =
2823 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2824
2825 editor
2826 .tasks
2827 .iter()
2828 .filter_map(|(_, tasks)| {
2829 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2830 if multibuffer_point < offset_range_start
2831 || multibuffer_point > offset_range_end
2832 {
2833 return None;
2834 }
2835 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2836 let buffer_folded = snapshot
2837 .buffer_snapshot
2838 .buffer_line_for_row(multibuffer_row)
2839 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2840 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2841 .unwrap_or(false);
2842 if buffer_folded {
2843 return None;
2844 }
2845
2846 if snapshot.is_line_folded(multibuffer_row) {
2847 // Skip folded indicators, unless it's the starting line of a fold.
2848 if multibuffer_row
2849 .0
2850 .checked_sub(1)
2851 .map_or(false, |previous_row| {
2852 snapshot.is_line_folded(MultiBufferRow(previous_row))
2853 })
2854 {
2855 return None;
2856 }
2857 }
2858
2859 let display_row = multibuffer_point.to_display_point(snapshot).row();
2860 if !range.contains(&display_row) {
2861 return None;
2862 }
2863 if row_infos
2864 .get((display_row - range.start).0 as usize)
2865 .is_some_and(|row_info| row_info.expand_info.is_some())
2866 {
2867 return None;
2868 }
2869
2870 let button = editor.render_run_indicator(
2871 &self.style,
2872 Some(display_row) == active_task_indicator_row,
2873 display_row,
2874 breakpoints.remove(&display_row),
2875 cx,
2876 );
2877
2878 let button = prepaint_gutter_button(
2879 button,
2880 display_row,
2881 line_height,
2882 gutter_dimensions,
2883 scroll_pixel_position,
2884 gutter_hitbox,
2885 display_hunks,
2886 window,
2887 cx,
2888 );
2889 Some(button)
2890 })
2891 .collect_vec()
2892 })
2893 }
2894
2895 fn layout_expand_toggles(
2896 &self,
2897 gutter_hitbox: &Hitbox,
2898 gutter_dimensions: GutterDimensions,
2899 em_width: Pixels,
2900 line_height: Pixels,
2901 scroll_position: gpui::Point<f32>,
2902 buffer_rows: &[RowInfo],
2903 window: &mut Window,
2904 cx: &mut App,
2905 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2906 if self.editor.read(cx).disable_expand_excerpt_buttons {
2907 return vec![];
2908 }
2909
2910 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2911
2912 let scroll_top = scroll_position.y * line_height;
2913
2914 let max_line_number_length = self
2915 .editor
2916 .read(cx)
2917 .buffer()
2918 .read(cx)
2919 .snapshot(cx)
2920 .widest_line_number()
2921 .ilog10()
2922 + 1;
2923
2924 let elements = buffer_rows
2925 .into_iter()
2926 .enumerate()
2927 .map(|(ix, row_info)| {
2928 let ExpandInfo {
2929 excerpt_id,
2930 direction,
2931 } = row_info.expand_info?;
2932
2933 let icon_name = match direction {
2934 ExpandExcerptDirection::Up => IconName::ExpandUp,
2935 ExpandExcerptDirection::Down => IconName::ExpandDown,
2936 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
2937 };
2938
2939 let git_gutter_width = Self::gutter_strip_width(line_height);
2940 let available_width = gutter_dimensions.left_padding - git_gutter_width;
2941
2942 let editor = self.editor.clone();
2943 let is_wide = max_line_number_length
2944 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
2945 && row_info
2946 .buffer_row
2947 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
2948 || gutter_dimensions.right_padding == px(0.);
2949
2950 let width = if is_wide {
2951 available_width - px(2.)
2952 } else {
2953 available_width + em_width - px(2.)
2954 };
2955
2956 let toggle = IconButton::new(("expand", ix), icon_name)
2957 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
2958 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
2959 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
2960 .width(width.into())
2961 .on_click(move |_, window, cx| {
2962 editor.update(cx, |editor, cx| {
2963 editor.expand_excerpt(excerpt_id, direction, window, cx);
2964 });
2965 })
2966 .tooltip(Tooltip::for_action_title(
2967 "Expand Excerpt",
2968 &crate::actions::ExpandExcerpts::default(),
2969 ))
2970 .into_any_element();
2971
2972 let position = point(
2973 git_gutter_width + px(1.),
2974 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
2975 );
2976 let origin = gutter_hitbox.origin + position;
2977
2978 Some((toggle, origin))
2979 })
2980 .collect();
2981
2982 elements
2983 }
2984
2985 fn calculate_relative_line_numbers(
2986 &self,
2987 snapshot: &EditorSnapshot,
2988 rows: &Range<DisplayRow>,
2989 relative_to: Option<DisplayRow>,
2990 ) -> HashMap<DisplayRow, DisplayRowDelta> {
2991 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
2992 let Some(relative_to) = relative_to else {
2993 return relative_rows;
2994 };
2995
2996 let start = rows.start.min(relative_to);
2997 let end = rows.end.max(relative_to);
2998
2999 let buffer_rows = snapshot
3000 .row_infos(start)
3001 .take(1 + end.minus(start) as usize)
3002 .collect::<Vec<_>>();
3003
3004 let head_idx = relative_to.minus(start);
3005 let mut delta = 1;
3006 let mut i = head_idx + 1;
3007 while i < buffer_rows.len() as u32 {
3008 if buffer_rows[i as usize].buffer_row.is_some() {
3009 if rows.contains(&DisplayRow(i + start.0)) {
3010 relative_rows.insert(DisplayRow(i + start.0), delta);
3011 }
3012 delta += 1;
3013 }
3014 i += 1;
3015 }
3016 delta = 1;
3017 i = head_idx.min(buffer_rows.len() as u32 - 1);
3018 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3019 i -= 1;
3020 }
3021
3022 while i > 0 {
3023 i -= 1;
3024 if buffer_rows[i as usize].buffer_row.is_some() {
3025 if rows.contains(&DisplayRow(i + start.0)) {
3026 relative_rows.insert(DisplayRow(i + start.0), delta);
3027 }
3028 delta += 1;
3029 }
3030 }
3031
3032 relative_rows
3033 }
3034
3035 fn layout_line_numbers(
3036 &self,
3037 gutter_hitbox: Option<&Hitbox>,
3038 gutter_dimensions: GutterDimensions,
3039 line_height: Pixels,
3040 scroll_position: gpui::Point<f32>,
3041 rows: Range<DisplayRow>,
3042 buffer_rows: &[RowInfo],
3043 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3044 newest_selection_head: Option<DisplayPoint>,
3045 snapshot: &EditorSnapshot,
3046 window: &mut Window,
3047 cx: &mut App,
3048 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3049 let include_line_numbers = snapshot.show_line_numbers.unwrap_or_else(|| {
3050 EditorSettings::get_global(cx).gutter.line_numbers && snapshot.mode.is_full()
3051 });
3052 if !include_line_numbers {
3053 return Arc::default();
3054 }
3055
3056 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3057 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3058 let newest = editor.selections.newest::<Point>(cx);
3059 SelectionLayout::new(
3060 newest,
3061 editor.selections.line_mode,
3062 editor.cursor_shape,
3063 &snapshot.display_snapshot,
3064 true,
3065 true,
3066 None,
3067 )
3068 .head
3069 });
3070 let is_relative = editor.should_use_relative_line_numbers(cx);
3071 (newest_selection_head, is_relative)
3072 });
3073
3074 let relative_to = if is_relative {
3075 Some(newest_selection_head.row())
3076 } else {
3077 None
3078 };
3079 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3080 let mut line_number = String::new();
3081 let line_numbers = buffer_rows
3082 .into_iter()
3083 .enumerate()
3084 .flat_map(|(ix, row_info)| {
3085 let display_row = DisplayRow(rows.start.0 + ix as u32);
3086 line_number.clear();
3087 let non_relative_number = row_info.buffer_row? + 1;
3088 let number = relative_rows
3089 .get(&display_row)
3090 .unwrap_or(&non_relative_number);
3091 write!(&mut line_number, "{number}").unwrap();
3092 if row_info
3093 .diff_status
3094 .is_some_and(|status| status.is_deleted())
3095 {
3096 return None;
3097 }
3098
3099 let color = active_rows
3100 .get(&display_row)
3101 .map(|spec| {
3102 if spec.breakpoint {
3103 cx.theme().colors().debugger_accent
3104 } else {
3105 cx.theme().colors().editor_active_line_number
3106 }
3107 })
3108 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3109 let shaped_line =
3110 self.shape_line_number(SharedString::from(&line_number), color, window);
3111 let scroll_top = scroll_position.y * line_height;
3112 let line_origin = gutter_hitbox.map(|hitbox| {
3113 hitbox.origin
3114 + point(
3115 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3116 ix as f32 * line_height - (scroll_top % line_height),
3117 )
3118 });
3119
3120 #[cfg(not(test))]
3121 let hitbox = line_origin.map(|line_origin| {
3122 window.insert_hitbox(
3123 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3124 HitboxBehavior::Normal,
3125 )
3126 });
3127 #[cfg(test)]
3128 let hitbox = {
3129 let _ = line_origin;
3130 None
3131 };
3132
3133 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3134 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3135 let line_number = LineNumberLayout {
3136 shaped_line,
3137 hitbox,
3138 };
3139 Some((multi_buffer_row, line_number))
3140 })
3141 .collect();
3142 Arc::new(line_numbers)
3143 }
3144
3145 fn layout_crease_toggles(
3146 &self,
3147 rows: Range<DisplayRow>,
3148 row_infos: &[RowInfo],
3149 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3150 snapshot: &EditorSnapshot,
3151 window: &mut Window,
3152 cx: &mut App,
3153 ) -> Vec<Option<AnyElement>> {
3154 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3155 && snapshot.mode.is_full()
3156 && self.editor.read(cx).is_singleton(cx);
3157 if include_fold_statuses {
3158 row_infos
3159 .into_iter()
3160 .enumerate()
3161 .map(|(ix, info)| {
3162 if info.expand_info.is_some() {
3163 return None;
3164 }
3165 let row = info.multibuffer_row?;
3166 let display_row = DisplayRow(rows.start.0 + ix as u32);
3167 let active = active_rows.contains_key(&display_row);
3168
3169 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3170 })
3171 .collect()
3172 } else {
3173 Vec::new()
3174 }
3175 }
3176
3177 fn layout_crease_trailers(
3178 &self,
3179 buffer_rows: impl IntoIterator<Item = RowInfo>,
3180 snapshot: &EditorSnapshot,
3181 window: &mut Window,
3182 cx: &mut App,
3183 ) -> Vec<Option<AnyElement>> {
3184 buffer_rows
3185 .into_iter()
3186 .map(|row_info| {
3187 if row_info.expand_info.is_some() {
3188 return None;
3189 }
3190 if let Some(row) = row_info.multibuffer_row {
3191 snapshot.render_crease_trailer(row, window, cx)
3192 } else {
3193 None
3194 }
3195 })
3196 .collect()
3197 }
3198
3199 fn layout_lines(
3200 rows: Range<DisplayRow>,
3201 snapshot: &EditorSnapshot,
3202 style: &EditorStyle,
3203 editor_width: Pixels,
3204 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3205 window: &mut Window,
3206 cx: &mut App,
3207 ) -> Vec<LineWithInvisibles> {
3208 if rows.start >= rows.end {
3209 return Vec::new();
3210 }
3211
3212 // Show the placeholder when the editor is empty
3213 if snapshot.is_empty() {
3214 let font_size = style.text.font_size.to_pixels(window.rem_size());
3215 let placeholder_color = cx.theme().colors().text_placeholder;
3216 let placeholder_text = snapshot.placeholder_text();
3217
3218 let placeholder_lines = placeholder_text
3219 .as_ref()
3220 .map_or("", AsRef::as_ref)
3221 .split('\n')
3222 .skip(rows.start.0 as usize)
3223 .chain(iter::repeat(""))
3224 .take(rows.len());
3225 placeholder_lines
3226 .map(move |line| {
3227 let run = TextRun {
3228 len: line.len(),
3229 font: style.text.font(),
3230 color: placeholder_color,
3231 background_color: None,
3232 underline: None,
3233 strikethrough: None,
3234 };
3235 let line =
3236 window
3237 .text_system()
3238 .shape_line(line.to_string().into(), font_size, &[run]);
3239 LineWithInvisibles {
3240 width: line.width,
3241 len: line.len,
3242 fragments: smallvec![LineFragment::Text(line)],
3243 invisibles: Vec::new(),
3244 font_size,
3245 }
3246 })
3247 .collect()
3248 } else {
3249 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3250 LineWithInvisibles::from_chunks(
3251 chunks,
3252 &style,
3253 MAX_LINE_LEN,
3254 rows.len(),
3255 &snapshot.mode,
3256 editor_width,
3257 is_row_soft_wrapped,
3258 window,
3259 cx,
3260 )
3261 }
3262 }
3263
3264 fn prepaint_lines(
3265 &self,
3266 start_row: DisplayRow,
3267 line_layouts: &mut [LineWithInvisibles],
3268 line_height: Pixels,
3269 scroll_pixel_position: gpui::Point<Pixels>,
3270 content_origin: gpui::Point<Pixels>,
3271 window: &mut Window,
3272 cx: &mut App,
3273 ) -> SmallVec<[AnyElement; 1]> {
3274 let mut line_elements = SmallVec::new();
3275 for (ix, line) in line_layouts.iter_mut().enumerate() {
3276 let row = start_row + DisplayRow(ix as u32);
3277 line.prepaint(
3278 line_height,
3279 scroll_pixel_position,
3280 row,
3281 content_origin,
3282 &mut line_elements,
3283 window,
3284 cx,
3285 );
3286 }
3287 line_elements
3288 }
3289
3290 fn render_block(
3291 &self,
3292 block: &Block,
3293 available_width: AvailableSpace,
3294 block_id: BlockId,
3295 block_row_start: DisplayRow,
3296 snapshot: &EditorSnapshot,
3297 text_x: Pixels,
3298 rows: &Range<DisplayRow>,
3299 line_layouts: &[LineWithInvisibles],
3300 editor_margins: &EditorMargins,
3301 line_height: Pixels,
3302 em_width: Pixels,
3303 text_hitbox: &Hitbox,
3304 editor_width: Pixels,
3305 scroll_width: &mut Pixels,
3306 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3307 row_block_types: &mut HashMap<DisplayRow, bool>,
3308 selections: &[Selection<Point>],
3309 selected_buffer_ids: &Vec<BufferId>,
3310 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3311 sticky_header_excerpt_id: Option<ExcerptId>,
3312 window: &mut Window,
3313 cx: &mut App,
3314 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3315 let mut x_position = None;
3316 let mut element = match block {
3317 Block::Custom(custom) => {
3318 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3319 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3320 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3321 return None;
3322 }
3323 let align_to = block_start.to_display_point(snapshot);
3324 let x_and_width = |layout: &LineWithInvisibles| {
3325 Some((
3326 text_x + layout.x_for_index(align_to.column() as usize),
3327 text_x + layout.width,
3328 ))
3329 };
3330 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3331 x_position =
3332 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3333 x_and_width(&layout)
3334 } else {
3335 x_and_width(&layout_line(
3336 align_to.row(),
3337 snapshot,
3338 &self.style,
3339 editor_width,
3340 is_row_soft_wrapped,
3341 window,
3342 cx,
3343 ))
3344 };
3345
3346 let anchor_x = x_position.unwrap().0;
3347
3348 let selected = selections
3349 .binary_search_by(|selection| {
3350 if selection.end <= block_start {
3351 Ordering::Less
3352 } else if selection.start >= block_end {
3353 Ordering::Greater
3354 } else {
3355 Ordering::Equal
3356 }
3357 })
3358 .is_ok();
3359
3360 div()
3361 .size_full()
3362 .children(
3363 (!snapshot.mode.is_minimap() || custom.render_in_minimap).then(|| {
3364 custom.render(&mut BlockContext {
3365 window,
3366 app: cx,
3367 anchor_x,
3368 margins: editor_margins,
3369 line_height,
3370 em_width,
3371 block_id,
3372 selected,
3373 max_width: text_hitbox.size.width.max(*scroll_width),
3374 editor_style: &self.style,
3375 })
3376 }),
3377 )
3378 .into_any()
3379 }
3380
3381 Block::FoldedBuffer {
3382 first_excerpt,
3383 height,
3384 ..
3385 } => {
3386 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3387 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3388
3389 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3390 result
3391 .child(self.render_buffer_header(
3392 first_excerpt,
3393 true,
3394 selected,
3395 false,
3396 jump_data,
3397 window,
3398 cx,
3399 ))
3400 .into_any_element()
3401 }
3402
3403 Block::ExcerptBoundary {
3404 excerpt,
3405 height,
3406 starts_new_buffer,
3407 ..
3408 } => {
3409 let color = cx.theme().colors().clone();
3410 let mut result = v_flex().id(block_id).w_full();
3411
3412 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3413
3414 if *starts_new_buffer {
3415 if sticky_header_excerpt_id != Some(excerpt.id) {
3416 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3417
3418 result = result.child(div().pr(editor_margins.right).child(
3419 self.render_buffer_header(
3420 excerpt, false, selected, false, jump_data, window, cx,
3421 ),
3422 ));
3423 } else {
3424 result =
3425 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3426 }
3427 } else {
3428 result = result.child(
3429 h_flex().relative().child(
3430 div()
3431 .top(line_height / 2.)
3432 .absolute()
3433 .w_full()
3434 .h_px()
3435 .bg(color.border_variant),
3436 ),
3437 );
3438 };
3439
3440 result.into_any()
3441 }
3442 };
3443
3444 // Discover the element's content height, then round up to the nearest multiple of line height.
3445 let preliminary_size = element.layout_as_root(
3446 size(available_width, AvailableSpace::MinContent),
3447 window,
3448 cx,
3449 );
3450 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3451 let final_size = if preliminary_size.height == quantized_height {
3452 preliminary_size
3453 } else {
3454 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3455 };
3456 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3457
3458 let mut row = block_row_start;
3459 let mut x_offset = px(0.);
3460 let mut is_block = true;
3461
3462 if let BlockId::Custom(custom_block_id) = block_id {
3463 if block.has_height() {
3464 if block.place_near() {
3465 if let Some((x_target, line_width)) = x_position {
3466 let margin = em_width * 2;
3467 if line_width + final_size.width + margin
3468 < editor_width + editor_margins.gutter.full_width()
3469 && !row_block_types.contains_key(&(row - 1))
3470 && element_height_in_lines == 1
3471 {
3472 x_offset = line_width + margin;
3473 row = row - 1;
3474 is_block = false;
3475 element_height_in_lines = 0;
3476 row_block_types.insert(row, is_block);
3477 } else {
3478 let max_offset = editor_width + editor_margins.gutter.full_width()
3479 - final_size.width;
3480 let min_offset = (x_target + em_width - final_size.width)
3481 .max(editor_margins.gutter.full_width());
3482 x_offset = x_target.min(max_offset).max(min_offset);
3483 }
3484 }
3485 };
3486 if element_height_in_lines != block.height() {
3487 resized_blocks.insert(custom_block_id, element_height_in_lines);
3488 }
3489 }
3490 }
3491 for i in 0..element_height_in_lines {
3492 row_block_types.insert(row + i, is_block);
3493 }
3494
3495 Some((element, final_size, row, x_offset))
3496 }
3497
3498 fn render_buffer_header(
3499 &self,
3500 for_excerpt: &ExcerptInfo,
3501 is_folded: bool,
3502 is_selected: bool,
3503 is_sticky: bool,
3504 jump_data: JumpData,
3505 window: &mut Window,
3506 cx: &mut App,
3507 ) -> Div {
3508 let editor = self.editor.read(cx);
3509 let file_status = editor
3510 .buffer
3511 .read(cx)
3512 .all_diff_hunks_expanded()
3513 .then(|| {
3514 editor
3515 .project
3516 .as_ref()?
3517 .read(cx)
3518 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3519 })
3520 .flatten();
3521
3522 let include_root = editor
3523 .project
3524 .as_ref()
3525 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3526 .unwrap_or_default();
3527 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3528 let path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3529 let filename = path
3530 .as_ref()
3531 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3532 let parent_path = path.as_ref().and_then(|path| {
3533 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3534 });
3535 let focus_handle = editor.focus_handle(cx);
3536 let colors = cx.theme().colors();
3537
3538 div()
3539 .p_1()
3540 .w_full()
3541 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3542 .child(
3543 h_flex()
3544 .size_full()
3545 .gap_2()
3546 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3547 .pl_0p5()
3548 .pr_5()
3549 .rounded_sm()
3550 .when(is_sticky, |el| el.shadow_md())
3551 .border_1()
3552 .map(|div| {
3553 let border_color = if is_selected
3554 && is_folded
3555 && focus_handle.contains_focused(window, cx)
3556 {
3557 colors.border_focused
3558 } else {
3559 colors.border
3560 };
3561 div.border_color(border_color)
3562 })
3563 .bg(colors.editor_subheader_background)
3564 .hover(|style| style.bg(colors.element_hover))
3565 .map(|header| {
3566 let editor = self.editor.clone();
3567 let buffer_id = for_excerpt.buffer_id;
3568 let toggle_chevron_icon =
3569 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3570 header.child(
3571 div()
3572 .hover(|style| style.bg(colors.element_selected))
3573 .rounded_xs()
3574 .child(
3575 ButtonLike::new("toggle-buffer-fold")
3576 .style(ui::ButtonStyle::Transparent)
3577 .height(px(28.).into())
3578 .width(px(28.).into())
3579 .children(toggle_chevron_icon)
3580 .tooltip({
3581 let focus_handle = focus_handle.clone();
3582 move |window, cx| {
3583 Tooltip::for_action_in(
3584 "Toggle Excerpt Fold",
3585 &ToggleFold,
3586 &focus_handle,
3587 window,
3588 cx,
3589 )
3590 }
3591 })
3592 .on_click(move |_, _, cx| {
3593 if is_folded {
3594 editor.update(cx, |editor, cx| {
3595 editor.unfold_buffer(buffer_id, cx);
3596 });
3597 } else {
3598 editor.update(cx, |editor, cx| {
3599 editor.fold_buffer(buffer_id, cx);
3600 });
3601 }
3602 }),
3603 ),
3604 )
3605 })
3606 .children(
3607 editor
3608 .addons
3609 .values()
3610 .filter_map(|addon| {
3611 addon.render_buffer_header_controls(for_excerpt, window, cx)
3612 })
3613 .take(1),
3614 )
3615 .child(
3616 h_flex()
3617 .cursor_pointer()
3618 .id("path header block")
3619 .size_full()
3620 .justify_between()
3621 .child(
3622 h_flex()
3623 .gap_2()
3624 .child(
3625 Label::new(
3626 filename
3627 .map(SharedString::from)
3628 .unwrap_or_else(|| "untitled".into()),
3629 )
3630 .single_line()
3631 .when_some(
3632 file_status,
3633 |el, status| {
3634 el.color(if status.is_conflicted() {
3635 Color::Conflict
3636 } else if status.is_modified() {
3637 Color::Modified
3638 } else if status.is_deleted() {
3639 Color::Disabled
3640 } else {
3641 Color::Created
3642 })
3643 .when(status.is_deleted(), |el| el.strikethrough())
3644 },
3645 ),
3646 )
3647 .when_some(parent_path, |then, path| {
3648 then.child(div().child(path).text_color(
3649 if file_status.is_some_and(FileStatus::is_deleted) {
3650 colors.text_disabled
3651 } else {
3652 colors.text_muted
3653 },
3654 ))
3655 }),
3656 )
3657 .when(can_open_excerpts && is_selected && path.is_some(), |el| {
3658 el.child(
3659 h_flex()
3660 .id("jump-to-file-button")
3661 .gap_2p5()
3662 .child(Label::new("Jump To File"))
3663 .children(
3664 KeyBinding::for_action_in(
3665 &OpenExcerpts,
3666 &focus_handle,
3667 window,
3668 cx,
3669 )
3670 .map(|binding| binding.into_any_element()),
3671 ),
3672 )
3673 })
3674 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3675 .on_click(window.listener_for(&self.editor, {
3676 move |editor, e: &ClickEvent, window, cx| {
3677 editor.open_excerpts_common(
3678 Some(jump_data.clone()),
3679 e.down.modifiers.secondary(),
3680 window,
3681 cx,
3682 );
3683 }
3684 })),
3685 ),
3686 )
3687 }
3688
3689 fn render_blocks(
3690 &self,
3691 rows: Range<DisplayRow>,
3692 snapshot: &EditorSnapshot,
3693 hitbox: &Hitbox,
3694 text_hitbox: &Hitbox,
3695 editor_width: Pixels,
3696 scroll_width: &mut Pixels,
3697 editor_margins: &EditorMargins,
3698 em_width: Pixels,
3699 text_x: Pixels,
3700 line_height: Pixels,
3701 line_layouts: &mut [LineWithInvisibles],
3702 selections: &[Selection<Point>],
3703 selected_buffer_ids: &Vec<BufferId>,
3704 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3705 sticky_header_excerpt_id: Option<ExcerptId>,
3706 window: &mut Window,
3707 cx: &mut App,
3708 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
3709 let (fixed_blocks, non_fixed_blocks) = snapshot
3710 .blocks_in_range(rows.clone())
3711 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
3712
3713 let mut focused_block = self
3714 .editor
3715 .update(cx, |editor, _| editor.take_focused_block());
3716 let mut fixed_block_max_width = Pixels::ZERO;
3717 let mut blocks = Vec::new();
3718 let mut resized_blocks = HashMap::default();
3719 let mut row_block_types = HashMap::default();
3720
3721 for (row, block) in fixed_blocks {
3722 let block_id = block.id();
3723
3724 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3725 focused_block = None;
3726 }
3727
3728 if let Some((element, element_size, row, x_offset)) = self.render_block(
3729 block,
3730 AvailableSpace::MinContent,
3731 block_id,
3732 row,
3733 snapshot,
3734 text_x,
3735 &rows,
3736 line_layouts,
3737 editor_margins,
3738 line_height,
3739 em_width,
3740 text_hitbox,
3741 editor_width,
3742 scroll_width,
3743 &mut resized_blocks,
3744 &mut row_block_types,
3745 selections,
3746 selected_buffer_ids,
3747 is_row_soft_wrapped,
3748 sticky_header_excerpt_id,
3749 window,
3750 cx,
3751 ) {
3752 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
3753 blocks.push(BlockLayout {
3754 id: block_id,
3755 x_offset,
3756 row: Some(row),
3757 element,
3758 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
3759 style: BlockStyle::Fixed,
3760 overlaps_gutter: true,
3761 is_buffer_header: block.is_buffer_header(),
3762 });
3763 }
3764 }
3765
3766 for (row, block) in non_fixed_blocks {
3767 let style = block.style();
3768 let width = match (style, block.place_near()) {
3769 (_, true) => AvailableSpace::MinContent,
3770 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
3771 (BlockStyle::Flex, _) => hitbox
3772 .size
3773 .width
3774 .max(fixed_block_max_width)
3775 .max(editor_margins.gutter.width + *scroll_width)
3776 .into(),
3777 (BlockStyle::Fixed, _) => unreachable!(),
3778 };
3779 let block_id = block.id();
3780
3781 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3782 focused_block = None;
3783 }
3784
3785 if let Some((element, element_size, row, x_offset)) = self.render_block(
3786 block,
3787 width,
3788 block_id,
3789 row,
3790 snapshot,
3791 text_x,
3792 &rows,
3793 line_layouts,
3794 editor_margins,
3795 line_height,
3796 em_width,
3797 text_hitbox,
3798 editor_width,
3799 scroll_width,
3800 &mut resized_blocks,
3801 &mut row_block_types,
3802 selections,
3803 selected_buffer_ids,
3804 is_row_soft_wrapped,
3805 sticky_header_excerpt_id,
3806 window,
3807 cx,
3808 ) {
3809 blocks.push(BlockLayout {
3810 id: block_id,
3811 x_offset,
3812 row: Some(row),
3813 element,
3814 available_space: size(width, element_size.height.into()),
3815 style,
3816 overlaps_gutter: !block.place_near(),
3817 is_buffer_header: block.is_buffer_header(),
3818 });
3819 }
3820 }
3821
3822 if let Some(focused_block) = focused_block {
3823 if let Some(focus_handle) = focused_block.focus_handle.upgrade() {
3824 if focus_handle.is_focused(window) {
3825 if let Some(block) = snapshot.block_for_id(focused_block.id) {
3826 let style = block.style();
3827 let width = match style {
3828 BlockStyle::Fixed => AvailableSpace::MinContent,
3829 BlockStyle::Flex => AvailableSpace::Definite(
3830 hitbox
3831 .size
3832 .width
3833 .max(fixed_block_max_width)
3834 .max(editor_margins.gutter.width + *scroll_width),
3835 ),
3836 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
3837 };
3838
3839 if let Some((element, element_size, _, x_offset)) = self.render_block(
3840 &block,
3841 width,
3842 focused_block.id,
3843 rows.end,
3844 snapshot,
3845 text_x,
3846 &rows,
3847 line_layouts,
3848 editor_margins,
3849 line_height,
3850 em_width,
3851 text_hitbox,
3852 editor_width,
3853 scroll_width,
3854 &mut resized_blocks,
3855 &mut row_block_types,
3856 selections,
3857 selected_buffer_ids,
3858 is_row_soft_wrapped,
3859 sticky_header_excerpt_id,
3860 window,
3861 cx,
3862 ) {
3863 blocks.push(BlockLayout {
3864 id: block.id(),
3865 x_offset,
3866 row: None,
3867 element,
3868 available_space: size(width, element_size.height.into()),
3869 style,
3870 overlaps_gutter: true,
3871 is_buffer_header: block.is_buffer_header(),
3872 });
3873 }
3874 }
3875 }
3876 }
3877 }
3878
3879 if resized_blocks.is_empty() {
3880 *scroll_width =
3881 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
3882 Ok((blocks, row_block_types))
3883 } else {
3884 Err(resized_blocks)
3885 }
3886 }
3887
3888 fn layout_blocks(
3889 &self,
3890 blocks: &mut Vec<BlockLayout>,
3891 hitbox: &Hitbox,
3892 line_height: Pixels,
3893 scroll_pixel_position: gpui::Point<Pixels>,
3894 window: &mut Window,
3895 cx: &mut App,
3896 ) {
3897 for block in blocks {
3898 let mut origin = if let Some(row) = block.row {
3899 hitbox.origin
3900 + point(
3901 block.x_offset,
3902 row.as_f32() * line_height - scroll_pixel_position.y,
3903 )
3904 } else {
3905 // Position the block outside the visible area
3906 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
3907 };
3908
3909 if !matches!(block.style, BlockStyle::Sticky) {
3910 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
3911 }
3912
3913 let focus_handle =
3914 block
3915 .element
3916 .prepaint_as_root(origin, block.available_space, window, cx);
3917
3918 if let Some(focus_handle) = focus_handle {
3919 self.editor.update(cx, |editor, _cx| {
3920 editor.set_focused_block(FocusedBlock {
3921 id: block.id,
3922 focus_handle: focus_handle.downgrade(),
3923 });
3924 });
3925 }
3926 }
3927 }
3928
3929 fn layout_sticky_buffer_header(
3930 &self,
3931 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
3932 scroll_position: f32,
3933 line_height: Pixels,
3934 right_margin: Pixels,
3935 snapshot: &EditorSnapshot,
3936 hitbox: &Hitbox,
3937 selected_buffer_ids: &Vec<BufferId>,
3938 blocks: &[BlockLayout],
3939 window: &mut Window,
3940 cx: &mut App,
3941 ) -> AnyElement {
3942 let jump_data = header_jump_data(
3943 snapshot,
3944 DisplayRow(scroll_position as u32),
3945 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
3946 excerpt,
3947 );
3948
3949 let editor_bg_color = cx.theme().colors().editor_background;
3950
3951 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3952
3953 let available_width = hitbox.bounds.size.width - right_margin;
3954
3955 let mut header = v_flex()
3956 .relative()
3957 .child(
3958 div()
3959 .w(available_width)
3960 .h(FILE_HEADER_HEIGHT as f32 * line_height)
3961 .bg(linear_gradient(
3962 0.,
3963 linear_color_stop(editor_bg_color.opacity(0.), 0.),
3964 linear_color_stop(editor_bg_color, 0.6),
3965 ))
3966 .absolute()
3967 .top_0(),
3968 )
3969 .child(
3970 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
3971 .into_any_element(),
3972 )
3973 .into_any_element();
3974
3975 let mut origin = hitbox.origin;
3976 // Move floating header up to avoid colliding with the next buffer header.
3977 for block in blocks.iter() {
3978 if !block.is_buffer_header {
3979 continue;
3980 }
3981
3982 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
3983 continue;
3984 };
3985
3986 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
3987 let offset = scroll_position - max_row as f32;
3988
3989 if offset > 0.0 {
3990 origin.y -= offset * line_height;
3991 }
3992 break;
3993 }
3994
3995 let size = size(
3996 AvailableSpace::Definite(available_width),
3997 AvailableSpace::MinContent,
3998 );
3999
4000 header.prepaint_as_root(origin, size, window, cx);
4001
4002 header
4003 }
4004
4005 fn layout_cursor_popovers(
4006 &self,
4007 line_height: Pixels,
4008 text_hitbox: &Hitbox,
4009 content_origin: gpui::Point<Pixels>,
4010 right_margin: Pixels,
4011 start_row: DisplayRow,
4012 scroll_pixel_position: gpui::Point<Pixels>,
4013 line_layouts: &[LineWithInvisibles],
4014 cursor: DisplayPoint,
4015 cursor_point: Point,
4016 style: &EditorStyle,
4017 window: &mut Window,
4018 cx: &mut App,
4019 ) -> Option<ContextMenuLayout> {
4020 let mut min_menu_height = Pixels::ZERO;
4021 let mut max_menu_height = Pixels::ZERO;
4022 let mut height_above_menu = Pixels::ZERO;
4023 let height_below_menu = Pixels::ZERO;
4024 let mut edit_prediction_popover_visible = false;
4025 let mut context_menu_visible = false;
4026 let context_menu_placement;
4027
4028 {
4029 let editor = self.editor.read(cx);
4030 if editor
4031 .edit_prediction_visible_in_cursor_popover(editor.has_active_inline_completion())
4032 {
4033 height_above_menu +=
4034 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4035 edit_prediction_popover_visible = true;
4036 }
4037
4038 if editor.context_menu_visible() {
4039 if let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin() {
4040 let (min_height_in_lines, max_height_in_lines) = editor
4041 .context_menu_options
4042 .as_ref()
4043 .map_or((3, 12), |options| {
4044 (options.min_entries_visible, options.max_entries_visible)
4045 });
4046
4047 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4048 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4049 context_menu_visible = true;
4050 }
4051 }
4052 context_menu_placement = editor
4053 .context_menu_options
4054 .as_ref()
4055 .and_then(|options| options.placement.clone());
4056 }
4057
4058 let visible = edit_prediction_popover_visible || context_menu_visible;
4059 if !visible {
4060 return None;
4061 }
4062
4063 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4064 let target_position = content_origin
4065 + gpui::Point {
4066 x: cmp::max(
4067 px(0.),
4068 cursor_row_layout.x_for_index(cursor.column() as usize)
4069 - scroll_pixel_position.x,
4070 ),
4071 y: cmp::max(
4072 px(0.),
4073 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4074 ),
4075 };
4076
4077 let viewport_bounds =
4078 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4079 right: -right_margin - MENU_GAP,
4080 ..Default::default()
4081 });
4082
4083 let min_height = height_above_menu + min_menu_height + height_below_menu;
4084 let max_height = height_above_menu + max_menu_height + height_below_menu;
4085 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4086 target_position,
4087 line_height,
4088 min_height,
4089 max_height,
4090 context_menu_placement,
4091 text_hitbox,
4092 viewport_bounds,
4093 window,
4094 cx,
4095 |height, max_width_for_stable_x, y_flipped, window, cx| {
4096 // First layout the menu to get its size - others can be at least this wide.
4097 let context_menu = if context_menu_visible {
4098 let menu_height = if y_flipped {
4099 height - height_below_menu
4100 } else {
4101 height - height_above_menu
4102 };
4103 let mut element = self
4104 .render_context_menu(line_height, menu_height, window, cx)
4105 .expect("Visible context menu should always render.");
4106 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4107 Some((CursorPopoverType::CodeContextMenu, element, size))
4108 } else {
4109 None
4110 };
4111 let min_width = context_menu
4112 .as_ref()
4113 .map_or(px(0.), |(_, _, size)| size.width);
4114 let max_width = max_width_for_stable_x.max(
4115 context_menu
4116 .as_ref()
4117 .map_or(px(0.), |(_, _, size)| size.width),
4118 );
4119
4120 let edit_prediction = if edit_prediction_popover_visible {
4121 self.editor.update(cx, move |editor, cx| {
4122 let accept_binding =
4123 editor.accept_edit_prediction_keybind(false, window, cx);
4124 let mut element = editor.render_edit_prediction_cursor_popover(
4125 min_width,
4126 max_width,
4127 cursor_point,
4128 style,
4129 accept_binding.keystroke(),
4130 window,
4131 cx,
4132 )?;
4133 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4134 Some((CursorPopoverType::EditPrediction, element, size))
4135 })
4136 } else {
4137 None
4138 };
4139 vec![edit_prediction, context_menu]
4140 .into_iter()
4141 .flatten()
4142 .collect::<Vec<_>>()
4143 },
4144 )?;
4145
4146 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4147 .iter()
4148 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4149 let last_ix = laid_out_popovers.len() - 1;
4150 let menu_is_last = menu_ix == last_ix;
4151 let first_popover_bounds = laid_out_popovers[0].1;
4152 let last_popover_bounds = laid_out_popovers[last_ix].1;
4153
4154 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4155 // right, and otherwise it goes below or to the right.
4156 let mut target_bounds = Bounds::from_corners(
4157 first_popover_bounds.origin,
4158 last_popover_bounds.bottom_right(),
4159 );
4160 target_bounds.size.width = menu_bounds.size.width;
4161
4162 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4163 // based on this is preferred for layout stability.
4164 let mut max_target_bounds = target_bounds;
4165 max_target_bounds.size.height = max_height;
4166 if y_flipped {
4167 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4168 }
4169
4170 // Add spacing around `target_bounds` and `max_target_bounds`.
4171 let mut extend_amount = Edges::all(MENU_GAP);
4172 if y_flipped {
4173 extend_amount.bottom = line_height;
4174 } else {
4175 extend_amount.top = line_height;
4176 }
4177 let target_bounds = target_bounds.extend(extend_amount);
4178 let max_target_bounds = max_target_bounds.extend(extend_amount);
4179
4180 let must_place_above_or_below =
4181 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4182 laid_out_popovers[menu_ix + 1..]
4183 .iter()
4184 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4185 } else {
4186 false
4187 };
4188
4189 let aside_bounds = self.layout_context_menu_aside(
4190 y_flipped,
4191 *menu_bounds,
4192 target_bounds,
4193 max_target_bounds,
4194 max_menu_height,
4195 must_place_above_or_below,
4196 text_hitbox,
4197 viewport_bounds,
4198 window,
4199 cx,
4200 );
4201
4202 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4203 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4204 Some(*bounds)
4205 } else {
4206 None
4207 }
4208 }) {
4209 let bounds = if let Some(aside_bounds) = aside_bounds {
4210 menu_bounds.union(&aside_bounds)
4211 } else {
4212 menu_bounds
4213 };
4214 return Some(ContextMenuLayout { y_flipped, bounds });
4215 }
4216
4217 None
4218 }
4219
4220 fn layout_gutter_menu(
4221 &self,
4222 line_height: Pixels,
4223 text_hitbox: &Hitbox,
4224 content_origin: gpui::Point<Pixels>,
4225 right_margin: Pixels,
4226 scroll_pixel_position: gpui::Point<Pixels>,
4227 gutter_overshoot: Pixels,
4228 window: &mut Window,
4229 cx: &mut App,
4230 ) {
4231 let editor = self.editor.read(cx);
4232 if !editor.context_menu_visible() {
4233 return;
4234 }
4235 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4236 editor.context_menu_origin()
4237 else {
4238 return;
4239 };
4240 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4241 // indicator than just a plain first column of the text field.
4242 let target_position = content_origin
4243 + gpui::Point {
4244 x: -gutter_overshoot,
4245 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4246 };
4247
4248 let (min_height_in_lines, max_height_in_lines) = editor
4249 .context_menu_options
4250 .as_ref()
4251 .map_or((3, 12), |options| {
4252 (options.min_entries_visible, options.max_entries_visible)
4253 });
4254
4255 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4256 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4257 let viewport_bounds =
4258 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4259 right: -right_margin - MENU_GAP,
4260 ..Default::default()
4261 });
4262 self.layout_popovers_above_or_below_line(
4263 target_position,
4264 line_height,
4265 min_height,
4266 max_height,
4267 editor
4268 .context_menu_options
4269 .as_ref()
4270 .and_then(|options| options.placement.clone()),
4271 text_hitbox,
4272 viewport_bounds,
4273 window,
4274 cx,
4275 move |height, _max_width_for_stable_x, _, window, cx| {
4276 let mut element = self
4277 .render_context_menu(line_height, height, window, cx)
4278 .expect("Visible context menu should always render.");
4279 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4280 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4281 },
4282 );
4283 }
4284
4285 fn layout_popovers_above_or_below_line(
4286 &self,
4287 target_position: gpui::Point<Pixels>,
4288 line_height: Pixels,
4289 min_height: Pixels,
4290 max_height: Pixels,
4291 placement: Option<ContextMenuPlacement>,
4292 text_hitbox: &Hitbox,
4293 viewport_bounds: Bounds<Pixels>,
4294 window: &mut Window,
4295 cx: &mut App,
4296 make_sized_popovers: impl FnOnce(
4297 Pixels,
4298 Pixels,
4299 bool,
4300 &mut Window,
4301 &mut App,
4302 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4303 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4304 let text_style = TextStyleRefinement {
4305 line_height: Some(DefiniteLength::Fraction(
4306 BufferLineHeight::Comfortable.value(),
4307 )),
4308 ..Default::default()
4309 };
4310 window.with_text_style(Some(text_style), |window| {
4311 // If the max height won't fit below and there is more space above, put it above the line.
4312 let bottom_y_when_flipped = target_position.y - line_height;
4313 let available_above = bottom_y_when_flipped - text_hitbox.top();
4314 let available_below = text_hitbox.bottom() - target_position.y;
4315 let y_overflows_below = max_height > available_below;
4316 let mut y_flipped = match placement {
4317 Some(ContextMenuPlacement::Above) => true,
4318 Some(ContextMenuPlacement::Below) => false,
4319 None => y_overflows_below && available_above > available_below,
4320 };
4321 let mut height = cmp::min(
4322 max_height,
4323 if y_flipped {
4324 available_above
4325 } else {
4326 available_below
4327 },
4328 );
4329
4330 // If the min height doesn't fit within text bounds, instead fit within the window.
4331 if height < min_height {
4332 let available_above = bottom_y_when_flipped;
4333 let available_below = viewport_bounds.bottom() - target_position.y;
4334 let (y_flipped_override, height_override) = match placement {
4335 Some(ContextMenuPlacement::Above) => {
4336 (true, cmp::min(available_above, min_height))
4337 }
4338 Some(ContextMenuPlacement::Below) => {
4339 (false, cmp::min(available_below, min_height))
4340 }
4341 None => {
4342 if available_below > min_height {
4343 (false, min_height)
4344 } else if available_above > min_height {
4345 (true, min_height)
4346 } else if available_above > available_below {
4347 (true, available_above)
4348 } else {
4349 (false, available_below)
4350 }
4351 }
4352 };
4353 y_flipped = y_flipped_override;
4354 height = height_override;
4355 }
4356
4357 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4358
4359 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4360 // for very narrow windows.
4361 let popovers =
4362 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4363 if popovers.is_empty() {
4364 return None;
4365 }
4366
4367 let max_width = popovers
4368 .iter()
4369 .map(|(_, _, size)| size.width)
4370 .max()
4371 .unwrap_or_default();
4372
4373 let mut current_position = gpui::Point {
4374 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4375 // overflow. Include space for the scrollbar.
4376 x: target_position
4377 .x
4378 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4379 y: if y_flipped {
4380 bottom_y_when_flipped
4381 } else {
4382 target_position.y
4383 },
4384 };
4385
4386 let mut laid_out_popovers = popovers
4387 .into_iter()
4388 .map(|(popover_type, element, size)| {
4389 if y_flipped {
4390 current_position.y -= size.height;
4391 }
4392 let position = current_position;
4393 window.defer_draw(element, current_position, 1);
4394 if !y_flipped {
4395 current_position.y += size.height + MENU_GAP;
4396 } else {
4397 current_position.y -= MENU_GAP;
4398 }
4399 (popover_type, Bounds::new(position, size))
4400 })
4401 .collect::<Vec<_>>();
4402
4403 if y_flipped {
4404 laid_out_popovers.reverse();
4405 }
4406
4407 Some((laid_out_popovers, y_flipped))
4408 })
4409 }
4410
4411 fn layout_context_menu_aside(
4412 &self,
4413 y_flipped: bool,
4414 menu_bounds: Bounds<Pixels>,
4415 target_bounds: Bounds<Pixels>,
4416 max_target_bounds: Bounds<Pixels>,
4417 max_height: Pixels,
4418 must_place_above_or_below: bool,
4419 text_hitbox: &Hitbox,
4420 viewport_bounds: Bounds<Pixels>,
4421 window: &mut Window,
4422 cx: &mut App,
4423 ) -> Option<Bounds<Pixels>> {
4424 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4425 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4426 && !must_place_above_or_below
4427 {
4428 let max_width = cmp::min(
4429 available_within_viewport.right - px(1.),
4430 MENU_ASIDE_MAX_WIDTH,
4431 );
4432 let mut aside = self.render_context_menu_aside(
4433 size(max_width, max_height - POPOVER_Y_PADDING),
4434 window,
4435 cx,
4436 )?;
4437 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4438 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4439 Some((aside, right_position, size))
4440 } else {
4441 let max_size = size(
4442 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4443 // won't be needed here.
4444 cmp::min(
4445 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4446 viewport_bounds.right(),
4447 ),
4448 cmp::min(
4449 max_height,
4450 cmp::max(
4451 available_within_viewport.top,
4452 available_within_viewport.bottom,
4453 ),
4454 ) - POPOVER_Y_PADDING,
4455 );
4456 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4457 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4458
4459 let top_position = point(
4460 menu_bounds.origin.x,
4461 target_bounds.top() - actual_size.height,
4462 );
4463 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4464
4465 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4466 // Prefer to fit on the same side of the line as the menu, then on the other side of
4467 // the line.
4468 if !y_flipped && wanted.height < available.bottom {
4469 Some(bottom_position)
4470 } else if !y_flipped && wanted.height < available.top {
4471 Some(top_position)
4472 } else if y_flipped && wanted.height < available.top {
4473 Some(top_position)
4474 } else if y_flipped && wanted.height < available.bottom {
4475 Some(bottom_position)
4476 } else {
4477 None
4478 }
4479 };
4480
4481 // Prefer choosing a direction using max sizes rather than actual size for stability.
4482 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4483 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4484 let aside_position = fit_within(available_within_text, wanted)
4485 // Fallback: fit max size in window.
4486 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4487 // Fallback: fit actual size in window.
4488 .or_else(|| fit_within(available_within_viewport, actual_size));
4489
4490 aside_position.map(|position| (aside, position, actual_size))
4491 };
4492
4493 // Skip drawing if it doesn't fit anywhere.
4494 if let Some((aside, position, size)) = positioned_aside {
4495 let aside_bounds = Bounds::new(position, size);
4496 window.defer_draw(aside, position, 2);
4497 return Some(aside_bounds);
4498 }
4499
4500 None
4501 }
4502
4503 fn render_context_menu(
4504 &self,
4505 line_height: Pixels,
4506 height: Pixels,
4507 window: &mut Window,
4508 cx: &mut App,
4509 ) -> Option<AnyElement> {
4510 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4511 self.editor.update(cx, |editor, cx| {
4512 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4513 })
4514 }
4515
4516 fn render_context_menu_aside(
4517 &self,
4518 max_size: Size<Pixels>,
4519 window: &mut Window,
4520 cx: &mut App,
4521 ) -> Option<AnyElement> {
4522 if max_size.width < px(100.) || max_size.height < px(12.) {
4523 None
4524 } else {
4525 self.editor.update(cx, |editor, cx| {
4526 editor.render_context_menu_aside(max_size, window, cx)
4527 })
4528 }
4529 }
4530
4531 fn layout_mouse_context_menu(
4532 &self,
4533 editor_snapshot: &EditorSnapshot,
4534 visible_range: Range<DisplayRow>,
4535 content_origin: gpui::Point<Pixels>,
4536 window: &mut Window,
4537 cx: &mut App,
4538 ) -> Option<AnyElement> {
4539 let position = self.editor.update(cx, |editor, _cx| {
4540 let visible_start_point = editor.display_to_pixel_point(
4541 DisplayPoint::new(visible_range.start, 0),
4542 editor_snapshot,
4543 window,
4544 )?;
4545 let visible_end_point = editor.display_to_pixel_point(
4546 DisplayPoint::new(visible_range.end, 0),
4547 editor_snapshot,
4548 window,
4549 )?;
4550
4551 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4552 let (source_display_point, position) = match mouse_context_menu.position {
4553 MenuPosition::PinnedToScreen(point) => (None, point),
4554 MenuPosition::PinnedToEditor { source, offset } => {
4555 let source_display_point = source.to_display_point(editor_snapshot);
4556 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4557 let position = content_origin + source_point + offset;
4558 (Some(source_display_point), position)
4559 }
4560 };
4561
4562 let source_included = source_display_point.map_or(true, |source_display_point| {
4563 visible_range
4564 .to_inclusive()
4565 .contains(&source_display_point.row())
4566 });
4567 let position_included =
4568 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4569 if !source_included && !position_included {
4570 None
4571 } else {
4572 Some(position)
4573 }
4574 })?;
4575
4576 let text_style = TextStyleRefinement {
4577 line_height: Some(DefiniteLength::Fraction(
4578 BufferLineHeight::Comfortable.value(),
4579 )),
4580 ..Default::default()
4581 };
4582 window.with_text_style(Some(text_style), |window| {
4583 let mut element = self.editor.read_with(cx, |editor, _| {
4584 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4585 let context_menu = mouse_context_menu.context_menu.clone();
4586
4587 Some(
4588 deferred(
4589 anchored()
4590 .position(position)
4591 .child(context_menu)
4592 .anchor(Corner::TopLeft)
4593 .snap_to_window_with_margin(px(8.)),
4594 )
4595 .with_priority(1)
4596 .into_any(),
4597 )
4598 })?;
4599
4600 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4601 Some(element)
4602 })
4603 }
4604
4605 fn layout_hover_popovers(
4606 &self,
4607 snapshot: &EditorSnapshot,
4608 hitbox: &Hitbox,
4609 visible_display_row_range: Range<DisplayRow>,
4610 content_origin: gpui::Point<Pixels>,
4611 scroll_pixel_position: gpui::Point<Pixels>,
4612 line_layouts: &[LineWithInvisibles],
4613 line_height: Pixels,
4614 em_width: Pixels,
4615 context_menu_layout: Option<ContextMenuLayout>,
4616 window: &mut Window,
4617 cx: &mut App,
4618 ) {
4619 struct MeasuredHoverPopover {
4620 element: AnyElement,
4621 size: Size<Pixels>,
4622 horizontal_offset: Pixels,
4623 }
4624
4625 let max_size = size(
4626 (120. * em_width) // Default size
4627 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4628 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4629 (16. * line_height) // Default size
4630 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4631 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4632 );
4633
4634 let hover_popovers = self.editor.update(cx, |editor, cx| {
4635 editor.hover_state.render(
4636 snapshot,
4637 visible_display_row_range.clone(),
4638 max_size,
4639 window,
4640 cx,
4641 )
4642 });
4643 let Some((position, hover_popovers)) = hover_popovers else {
4644 return;
4645 };
4646
4647 // This is safe because we check on layout whether the required row is available
4648 let hovered_row_layout =
4649 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
4650
4651 // Compute Hovered Point
4652 let x =
4653 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
4654 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
4655 let hovered_point = content_origin + point(x, y);
4656
4657 let mut overall_height = Pixels::ZERO;
4658 let mut measured_hover_popovers = Vec::new();
4659 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
4660 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
4661 let horizontal_offset =
4662 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
4663 .min(Pixels::ZERO);
4664 match position {
4665 itertools::Position::Middle | itertools::Position::Last => {
4666 overall_height += HOVER_POPOVER_GAP
4667 }
4668 _ => {}
4669 }
4670 overall_height += size.height;
4671 measured_hover_popovers.push(MeasuredHoverPopover {
4672 element: hover_popover,
4673 size,
4674 horizontal_offset,
4675 });
4676 }
4677
4678 fn draw_occluder(
4679 width: Pixels,
4680 origin: gpui::Point<Pixels>,
4681 window: &mut Window,
4682 cx: &mut App,
4683 ) {
4684 let mut occlusion = div()
4685 .size_full()
4686 .occlude()
4687 .on_mouse_move(|_, _, cx| cx.stop_propagation())
4688 .into_any_element();
4689 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
4690 window.defer_draw(occlusion, origin, 2);
4691 }
4692
4693 fn place_popovers_above(
4694 hovered_point: gpui::Point<Pixels>,
4695 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4696 window: &mut Window,
4697 cx: &mut App,
4698 ) {
4699 let mut current_y = hovered_point.y;
4700 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4701 let size = popover.size;
4702 let popover_origin = point(
4703 hovered_point.x + popover.horizontal_offset,
4704 current_y - size.height,
4705 );
4706
4707 window.defer_draw(popover.element, popover_origin, 2);
4708 if position != itertools::Position::Last {
4709 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
4710 draw_occluder(size.width, origin, window, cx);
4711 }
4712
4713 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4714 }
4715 }
4716
4717 fn place_popovers_below(
4718 hovered_point: gpui::Point<Pixels>,
4719 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4720 line_height: Pixels,
4721 window: &mut Window,
4722 cx: &mut App,
4723 ) {
4724 let mut current_y = hovered_point.y + line_height;
4725 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4726 let size = popover.size;
4727 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4728
4729 window.defer_draw(popover.element, popover_origin, 2);
4730 if position != itertools::Position::Last {
4731 let origin = point(popover_origin.x, popover_origin.y + size.height);
4732 draw_occluder(size.width, origin, window, cx);
4733 }
4734
4735 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4736 }
4737 }
4738
4739 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
4740 context_menu_layout
4741 .as_ref()
4742 .map_or(false, |menu| bounds.intersects(&menu.bounds))
4743 };
4744
4745 let can_place_above = {
4746 let mut bounds_above = Vec::new();
4747 let mut current_y = hovered_point.y;
4748 for popover in &measured_hover_popovers {
4749 let size = popover.size;
4750 let popover_origin = point(
4751 hovered_point.x + popover.horizontal_offset,
4752 current_y - size.height,
4753 );
4754 bounds_above.push(Bounds::new(popover_origin, size));
4755 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4756 }
4757 bounds_above
4758 .iter()
4759 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4760 };
4761
4762 let can_place_below = || {
4763 let mut bounds_below = Vec::new();
4764 let mut current_y = hovered_point.y + line_height;
4765 for popover in &measured_hover_popovers {
4766 let size = popover.size;
4767 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4768 bounds_below.push(Bounds::new(popover_origin, size));
4769 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4770 }
4771 bounds_below
4772 .iter()
4773 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4774 };
4775
4776 if can_place_above {
4777 // try placing above hovered point
4778 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4779 } else if can_place_below() {
4780 // try placing below hovered point
4781 place_popovers_below(
4782 hovered_point,
4783 measured_hover_popovers,
4784 line_height,
4785 window,
4786 cx,
4787 );
4788 } else {
4789 // try to place popovers around the context menu
4790 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
4791 let total_width = measured_hover_popovers
4792 .iter()
4793 .map(|p| p.size.width)
4794 .max()
4795 .unwrap_or(Pixels::ZERO);
4796 let y_for_horizontal_positioning = if menu.y_flipped {
4797 menu.bounds.bottom() - overall_height
4798 } else {
4799 menu.bounds.top()
4800 };
4801 let possible_origins = vec![
4802 // left of context menu
4803 point(
4804 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
4805 y_for_horizontal_positioning,
4806 ),
4807 // right of context menu
4808 point(
4809 menu.bounds.right() + HOVER_POPOVER_GAP,
4810 y_for_horizontal_positioning,
4811 ),
4812 // top of context menu
4813 point(
4814 menu.bounds.left(),
4815 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
4816 ),
4817 // bottom of context menu
4818 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
4819 ];
4820 possible_origins.into_iter().find(|&origin| {
4821 Bounds::new(origin, size(total_width, overall_height))
4822 .is_contained_within(hitbox)
4823 })
4824 });
4825 if let Some(origin) = origin_surrounding_menu {
4826 let mut current_y = origin.y;
4827 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4828 let size = popover.size;
4829 let popover_origin = point(origin.x, current_y);
4830
4831 window.defer_draw(popover.element, popover_origin, 2);
4832 if position != itertools::Position::Last {
4833 let origin = point(popover_origin.x, popover_origin.y + size.height);
4834 draw_occluder(size.width, origin, window, cx);
4835 }
4836
4837 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4838 }
4839 } else {
4840 // fallback to existing above/below cursor logic
4841 // this might overlap menu or overflow in rare case
4842 if can_place_above {
4843 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4844 } else {
4845 place_popovers_below(
4846 hovered_point,
4847 measured_hover_popovers,
4848 line_height,
4849 window,
4850 cx,
4851 );
4852 }
4853 }
4854 }
4855 }
4856
4857 fn layout_diff_hunk_controls(
4858 &self,
4859 row_range: Range<DisplayRow>,
4860 row_infos: &[RowInfo],
4861 text_hitbox: &Hitbox,
4862 newest_cursor_position: Option<DisplayPoint>,
4863 line_height: Pixels,
4864 right_margin: Pixels,
4865 scroll_pixel_position: gpui::Point<Pixels>,
4866 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
4867 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
4868 editor: Entity<Editor>,
4869 window: &mut Window,
4870 cx: &mut App,
4871 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
4872 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
4873 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
4874
4875 let mut controls = vec![];
4876 let mut control_bounds = vec![];
4877
4878 let active_positions = [
4879 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
4880 newest_cursor_position,
4881 ];
4882
4883 for (hunk, _) in display_hunks {
4884 if let DisplayDiffHunk::Unfolded {
4885 display_row_range,
4886 multi_buffer_range,
4887 status,
4888 is_created_file,
4889 ..
4890 } = &hunk
4891 {
4892 if display_row_range.start < row_range.start
4893 || display_row_range.start >= row_range.end
4894 {
4895 continue;
4896 }
4897 if highlighted_rows
4898 .get(&display_row_range.start)
4899 .and_then(|highlight| highlight.type_id)
4900 .is_some_and(|type_id| {
4901 [
4902 TypeId::of::<ConflictsOuter>(),
4903 TypeId::of::<ConflictsOursMarker>(),
4904 TypeId::of::<ConflictsOurs>(),
4905 TypeId::of::<ConflictsTheirs>(),
4906 TypeId::of::<ConflictsTheirsMarker>(),
4907 ]
4908 .contains(&type_id)
4909 })
4910 {
4911 continue;
4912 }
4913 let row_ix = (display_row_range.start - row_range.start).0 as usize;
4914 if row_infos[row_ix].diff_status.is_none() {
4915 continue;
4916 }
4917 if row_infos[row_ix]
4918 .diff_status
4919 .is_some_and(|status| status.is_added())
4920 && !status.is_added()
4921 {
4922 continue;
4923 }
4924
4925 if active_positions
4926 .iter()
4927 .any(|p| p.map_or(false, |p| display_row_range.contains(&p.row())))
4928 {
4929 let y = display_row_range.start.as_f32() * line_height
4930 + text_hitbox.bounds.top()
4931 - scroll_pixel_position.y;
4932
4933 let mut element = render_diff_hunk_controls(
4934 display_row_range.start.0,
4935 status,
4936 multi_buffer_range.clone(),
4937 *is_created_file,
4938 line_height,
4939 &editor,
4940 window,
4941 cx,
4942 );
4943 let size =
4944 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
4945
4946 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
4947
4948 let bounds = Bounds::new(gpui::Point::new(x, y), size);
4949 control_bounds.push((display_row_range.start, bounds));
4950
4951 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
4952 element.prepaint(window, cx)
4953 });
4954 controls.push(element);
4955 }
4956 }
4957 }
4958
4959 (controls, control_bounds)
4960 }
4961
4962 fn layout_signature_help(
4963 &self,
4964 hitbox: &Hitbox,
4965 content_origin: gpui::Point<Pixels>,
4966 scroll_pixel_position: gpui::Point<Pixels>,
4967 newest_selection_head: Option<DisplayPoint>,
4968 start_row: DisplayRow,
4969 line_layouts: &[LineWithInvisibles],
4970 line_height: Pixels,
4971 em_width: Pixels,
4972 context_menu_layout: Option<ContextMenuLayout>,
4973 window: &mut Window,
4974 cx: &mut App,
4975 ) {
4976 if !self.editor.focus_handle(cx).is_focused(window) {
4977 return;
4978 }
4979 let Some(newest_selection_head) = newest_selection_head else {
4980 return;
4981 };
4982
4983 let max_size = size(
4984 (120. * em_width) // Default size
4985 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4986 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4987 (16. * line_height) // Default size
4988 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4989 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4990 );
4991
4992 let maybe_element = self.editor.update(cx, |editor, cx| {
4993 if let Some(popover) = editor.signature_help_state.popover_mut() {
4994 let element = popover.render(max_size, window, cx);
4995 Some(element)
4996 } else {
4997 None
4998 }
4999 });
5000 let Some(mut element) = maybe_element else {
5001 return;
5002 };
5003
5004 let selection_row = newest_selection_head.row();
5005 let Some(cursor_row_layout) = (selection_row >= start_row)
5006 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5007 .flatten()
5008 else {
5009 return;
5010 };
5011
5012 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5013 - scroll_pixel_position.x;
5014 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5015 let target_point = content_origin + point(target_x, target_y);
5016
5017 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5018
5019 let (popover_bounds_above, popover_bounds_below) = {
5020 let horizontal_offset = (hitbox.top_right().x
5021 - POPOVER_RIGHT_OFFSET
5022 - (target_point.x + actual_size.width))
5023 .min(Pixels::ZERO);
5024 let initial_x = target_point.x + horizontal_offset;
5025 (
5026 Bounds::new(
5027 point(initial_x, target_point.y - actual_size.height),
5028 actual_size,
5029 ),
5030 Bounds::new(
5031 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5032 actual_size,
5033 ),
5034 )
5035 };
5036
5037 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5038 context_menu_layout
5039 .as_ref()
5040 .map_or(false, |menu| bounds.intersects(&menu.bounds))
5041 };
5042
5043 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5044 && !intersects_menu(popover_bounds_above)
5045 {
5046 // try placing above cursor
5047 popover_bounds_above.origin
5048 } else if popover_bounds_below.is_contained_within(hitbox)
5049 && !intersects_menu(popover_bounds_below)
5050 {
5051 // try placing below cursor
5052 popover_bounds_below.origin
5053 } else {
5054 // try surrounding context menu if exists
5055 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5056 let y_for_horizontal_positioning = if menu.y_flipped {
5057 menu.bounds.bottom() - actual_size.height
5058 } else {
5059 menu.bounds.top()
5060 };
5061 let possible_origins = vec![
5062 // left of context menu
5063 point(
5064 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5065 y_for_horizontal_positioning,
5066 ),
5067 // right of context menu
5068 point(
5069 menu.bounds.right() + HOVER_POPOVER_GAP,
5070 y_for_horizontal_positioning,
5071 ),
5072 // top of context menu
5073 point(
5074 menu.bounds.left(),
5075 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5076 ),
5077 // bottom of context menu
5078 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5079 ];
5080 possible_origins
5081 .into_iter()
5082 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5083 });
5084 origin_surrounding_menu.unwrap_or_else(|| {
5085 // fallback to existing above/below cursor logic
5086 // this might overlap menu or overflow in rare case
5087 if popover_bounds_above.is_contained_within(hitbox) {
5088 popover_bounds_above.origin
5089 } else {
5090 popover_bounds_below.origin
5091 }
5092 })
5093 };
5094
5095 window.defer_draw(element, final_origin, 2);
5096 }
5097
5098 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5099 window.paint_layer(layout.hitbox.bounds, |window| {
5100 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5101 let gutter_bg = cx.theme().colors().editor_gutter_background;
5102 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5103 window.paint_quad(fill(
5104 layout.position_map.text_hitbox.bounds,
5105 self.style.background,
5106 ));
5107
5108 if matches!(
5109 layout.mode,
5110 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5111 ) {
5112 let show_active_line_background = match layout.mode {
5113 EditorMode::Full {
5114 show_active_line_background,
5115 ..
5116 } => show_active_line_background,
5117 EditorMode::Minimap { .. } => true,
5118 _ => false,
5119 };
5120 let mut active_rows = layout.active_rows.iter().peekable();
5121 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5122 let mut end_row = start_row.0;
5123 while active_rows
5124 .peek()
5125 .map_or(false, |(active_row, has_selection)| {
5126 active_row.0 == end_row + 1
5127 && has_selection.selection == contains_non_empty_selection.selection
5128 })
5129 {
5130 active_rows.next().unwrap();
5131 end_row += 1;
5132 }
5133
5134 if show_active_line_background && !contains_non_empty_selection.selection {
5135 let highlight_h_range =
5136 match layout.position_map.snapshot.current_line_highlight {
5137 CurrentLineHighlight::Gutter => Some(Range {
5138 start: layout.hitbox.left(),
5139 end: layout.gutter_hitbox.right(),
5140 }),
5141 CurrentLineHighlight::Line => Some(Range {
5142 start: layout.position_map.text_hitbox.bounds.left(),
5143 end: layout.position_map.text_hitbox.bounds.right(),
5144 }),
5145 CurrentLineHighlight::All => Some(Range {
5146 start: layout.hitbox.left(),
5147 end: layout.hitbox.right(),
5148 }),
5149 CurrentLineHighlight::None => None,
5150 };
5151 if let Some(range) = highlight_h_range {
5152 let active_line_bg = cx.theme().colors().editor_active_line_background;
5153 let bounds = Bounds {
5154 origin: point(
5155 range.start,
5156 layout.hitbox.origin.y
5157 + (start_row.as_f32() - scroll_top)
5158 * layout.position_map.line_height,
5159 ),
5160 size: size(
5161 range.end - range.start,
5162 layout.position_map.line_height
5163 * (end_row - start_row.0 + 1) as f32,
5164 ),
5165 };
5166 window.paint_quad(fill(bounds, active_line_bg));
5167 }
5168 }
5169 }
5170
5171 let mut paint_highlight = |highlight_row_start: DisplayRow,
5172 highlight_row_end: DisplayRow,
5173 highlight: crate::LineHighlight,
5174 edges| {
5175 let mut origin_x = layout.hitbox.left();
5176 let mut width = layout.hitbox.size.width;
5177 if !highlight.include_gutter {
5178 origin_x += layout.gutter_hitbox.size.width;
5179 width -= layout.gutter_hitbox.size.width;
5180 }
5181
5182 let origin = point(
5183 origin_x,
5184 layout.hitbox.origin.y
5185 + (highlight_row_start.as_f32() - scroll_top)
5186 * layout.position_map.line_height,
5187 );
5188 let size = size(
5189 width,
5190 layout.position_map.line_height
5191 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5192 );
5193 let mut quad = fill(Bounds { origin, size }, highlight.background);
5194 if let Some(border_color) = highlight.border {
5195 quad.border_color = border_color;
5196 quad.border_widths = edges
5197 }
5198 window.paint_quad(quad);
5199 };
5200
5201 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5202 None;
5203 for (&new_row, &new_background) in &layout.highlighted_rows {
5204 match &mut current_paint {
5205 &mut Some((current_background, ref mut current_range, mut edges)) => {
5206 let new_range_started = current_background != new_background
5207 || current_range.end.next_row() != new_row;
5208 if new_range_started {
5209 if current_range.end.next_row() == new_row {
5210 edges.bottom = px(0.);
5211 };
5212 paint_highlight(
5213 current_range.start,
5214 current_range.end,
5215 current_background,
5216 edges,
5217 );
5218 let edges = Edges {
5219 top: if current_range.end.next_row() != new_row {
5220 px(1.)
5221 } else {
5222 px(0.)
5223 },
5224 bottom: px(1.),
5225 ..Default::default()
5226 };
5227 current_paint = Some((new_background, new_row..new_row, edges));
5228 continue;
5229 } else {
5230 current_range.end = current_range.end.next_row();
5231 }
5232 }
5233 None => {
5234 let edges = Edges {
5235 top: px(1.),
5236 bottom: px(1.),
5237 ..Default::default()
5238 };
5239 current_paint = Some((new_background, new_row..new_row, edges))
5240 }
5241 };
5242 }
5243 if let Some((color, range, edges)) = current_paint {
5244 paint_highlight(range.start, range.end, color, edges);
5245 }
5246
5247 let scroll_left =
5248 layout.position_map.snapshot.scroll_position().x * layout.position_map.em_width;
5249
5250 for (wrap_position, active) in layout.wrap_guides.iter() {
5251 let x = (layout.position_map.text_hitbox.origin.x
5252 + *wrap_position
5253 + layout.position_map.em_width / 2.)
5254 - scroll_left;
5255
5256 let show_scrollbars = layout
5257 .scrollbars_layout
5258 .as_ref()
5259 .map_or(false, |layout| layout.visible);
5260
5261 if x < layout.position_map.text_hitbox.origin.x
5262 || (show_scrollbars && x > self.scrollbar_left(&layout.hitbox.bounds))
5263 {
5264 continue;
5265 }
5266
5267 let color = if *active {
5268 cx.theme().colors().editor_active_wrap_guide
5269 } else {
5270 cx.theme().colors().editor_wrap_guide
5271 };
5272 window.paint_quad(fill(
5273 Bounds {
5274 origin: point(x, layout.position_map.text_hitbox.origin.y),
5275 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5276 },
5277 color,
5278 ));
5279 }
5280 }
5281 })
5282 }
5283
5284 fn paint_indent_guides(
5285 &mut self,
5286 layout: &mut EditorLayout,
5287 window: &mut Window,
5288 cx: &mut App,
5289 ) {
5290 let Some(indent_guides) = &layout.indent_guides else {
5291 return;
5292 };
5293
5294 let faded_color = |color: Hsla, alpha: f32| {
5295 let mut faded = color;
5296 faded.a = alpha;
5297 faded
5298 };
5299
5300 for indent_guide in indent_guides {
5301 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5302 let settings = indent_guide.settings;
5303
5304 // TODO fixed for now, expose them through themes later
5305 const INDENT_AWARE_ALPHA: f32 = 0.2;
5306 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5307 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5308 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5309
5310 let line_color = match (settings.coloring, indent_guide.active) {
5311 (IndentGuideColoring::Disabled, _) => None,
5312 (IndentGuideColoring::Fixed, false) => {
5313 Some(cx.theme().colors().editor_indent_guide)
5314 }
5315 (IndentGuideColoring::Fixed, true) => {
5316 Some(cx.theme().colors().editor_indent_guide_active)
5317 }
5318 (IndentGuideColoring::IndentAware, false) => {
5319 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5320 }
5321 (IndentGuideColoring::IndentAware, true) => {
5322 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5323 }
5324 };
5325
5326 let background_color = match (settings.background_coloring, indent_guide.active) {
5327 (IndentGuideBackgroundColoring::Disabled, _) => None,
5328 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5329 indent_accent_colors,
5330 INDENT_AWARE_BACKGROUND_ALPHA,
5331 )),
5332 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5333 indent_accent_colors,
5334 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5335 )),
5336 };
5337
5338 let requested_line_width = if indent_guide.active {
5339 settings.active_line_width
5340 } else {
5341 settings.line_width
5342 }
5343 .clamp(1, 10);
5344 let mut line_indicator_width = 0.;
5345 if let Some(color) = line_color {
5346 window.paint_quad(fill(
5347 Bounds {
5348 origin: indent_guide.origin,
5349 size: size(px(requested_line_width as f32), indent_guide.length),
5350 },
5351 color,
5352 ));
5353 line_indicator_width = requested_line_width as f32;
5354 }
5355
5356 if let Some(color) = background_color {
5357 let width = indent_guide.single_indent_width - px(line_indicator_width);
5358 window.paint_quad(fill(
5359 Bounds {
5360 origin: point(
5361 indent_guide.origin.x + px(line_indicator_width),
5362 indent_guide.origin.y,
5363 ),
5364 size: size(width, indent_guide.length),
5365 },
5366 color,
5367 ));
5368 }
5369 }
5370 }
5371
5372 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5373 let is_singleton = self.editor.read(cx).is_singleton(cx);
5374
5375 let line_height = layout.position_map.line_height;
5376 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5377
5378 for LineNumberLayout {
5379 shaped_line,
5380 hitbox,
5381 } in layout.line_numbers.values()
5382 {
5383 let Some(hitbox) = hitbox else {
5384 continue;
5385 };
5386
5387 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5388 let color = cx.theme().colors().editor_hover_line_number;
5389
5390 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5391 line.paint(hitbox.origin, line_height, window, cx).log_err()
5392 } else {
5393 shaped_line
5394 .paint(hitbox.origin, line_height, window, cx)
5395 .log_err()
5396 }) else {
5397 continue;
5398 };
5399
5400 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5401 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5402 if is_singleton {
5403 window.set_cursor_style(CursorStyle::IBeam, &hitbox);
5404 } else {
5405 window.set_cursor_style(CursorStyle::PointingHand, &hitbox);
5406 }
5407 }
5408 }
5409
5410 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5411 if layout.display_hunks.is_empty() {
5412 return;
5413 }
5414
5415 let line_height = layout.position_map.line_height;
5416 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5417 for (hunk, hitbox) in &layout.display_hunks {
5418 let hunk_to_paint = match hunk {
5419 DisplayDiffHunk::Folded { .. } => {
5420 let hunk_bounds = Self::diff_hunk_bounds(
5421 &layout.position_map.snapshot,
5422 line_height,
5423 layout.gutter_hitbox.bounds,
5424 &hunk,
5425 );
5426 Some((
5427 hunk_bounds,
5428 cx.theme().colors().version_control_modified,
5429 Corners::all(px(0.)),
5430 DiffHunkStatus::modified_none(),
5431 ))
5432 }
5433 DisplayDiffHunk::Unfolded {
5434 status,
5435 display_row_range,
5436 ..
5437 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5438 DiffHunkStatusKind::Added => (
5439 hunk_hitbox.bounds,
5440 cx.theme().colors().version_control_added,
5441 Corners::all(px(0.)),
5442 *status,
5443 ),
5444 DiffHunkStatusKind::Modified => (
5445 hunk_hitbox.bounds,
5446 cx.theme().colors().version_control_modified,
5447 Corners::all(px(0.)),
5448 *status,
5449 ),
5450 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5451 hunk_hitbox.bounds,
5452 cx.theme().colors().version_control_deleted,
5453 Corners::all(px(0.)),
5454 *status,
5455 ),
5456 DiffHunkStatusKind::Deleted => (
5457 Bounds::new(
5458 point(
5459 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5460 hunk_hitbox.origin.y,
5461 ),
5462 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5463 ),
5464 cx.theme().colors().version_control_deleted,
5465 Corners::all(1. * line_height),
5466 *status,
5467 ),
5468 }),
5469 };
5470
5471 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5472 // Flatten the background color with the editor color to prevent
5473 // elements below transparent hunks from showing through
5474 let flattened_background_color = cx
5475 .theme()
5476 .colors()
5477 .editor_background
5478 .blend(background_color);
5479
5480 if !Self::diff_hunk_hollow(status, cx) {
5481 window.paint_quad(quad(
5482 hunk_bounds,
5483 corner_radii,
5484 flattened_background_color,
5485 Edges::default(),
5486 transparent_black(),
5487 BorderStyle::default(),
5488 ));
5489 } else {
5490 let flattened_unstaged_background_color = cx
5491 .theme()
5492 .colors()
5493 .editor_background
5494 .blend(background_color.opacity(0.3));
5495
5496 window.paint_quad(quad(
5497 hunk_bounds,
5498 corner_radii,
5499 flattened_unstaged_background_color,
5500 Edges::all(Pixels(1.0)),
5501 flattened_background_color,
5502 BorderStyle::Solid,
5503 ));
5504 }
5505 }
5506 }
5507 });
5508 }
5509
5510 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5511 (0.275 * line_height).floor()
5512 }
5513
5514 fn diff_hunk_bounds(
5515 snapshot: &EditorSnapshot,
5516 line_height: Pixels,
5517 gutter_bounds: Bounds<Pixels>,
5518 hunk: &DisplayDiffHunk,
5519 ) -> Bounds<Pixels> {
5520 let scroll_position = snapshot.scroll_position();
5521 let scroll_top = scroll_position.y * line_height;
5522 let gutter_strip_width = Self::gutter_strip_width(line_height);
5523
5524 match hunk {
5525 DisplayDiffHunk::Folded { display_row, .. } => {
5526 let start_y = display_row.as_f32() * line_height - scroll_top;
5527 let end_y = start_y + line_height;
5528 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5529 let highlight_size = size(gutter_strip_width, end_y - start_y);
5530 Bounds::new(highlight_origin, highlight_size)
5531 }
5532 DisplayDiffHunk::Unfolded {
5533 display_row_range,
5534 status,
5535 ..
5536 } => {
5537 if status.is_deleted() && display_row_range.is_empty() {
5538 let row = display_row_range.start;
5539
5540 let offset = line_height / 2.;
5541 let start_y = row.as_f32() * line_height - offset - scroll_top;
5542 let end_y = start_y + line_height;
5543
5544 let width = (0.35 * line_height).floor();
5545 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5546 let highlight_size = size(width, end_y - start_y);
5547 Bounds::new(highlight_origin, highlight_size)
5548 } else {
5549 let start_row = display_row_range.start;
5550 let end_row = display_row_range.end;
5551 // If we're in a multibuffer, row range span might include an
5552 // excerpt header, so if we were to draw the marker straight away,
5553 // the hunk might include the rows of that header.
5554 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5555 // Instead, we simply check whether the range we're dealing with includes
5556 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5557 let end_row_in_current_excerpt = snapshot
5558 .blocks_in_range(start_row..end_row)
5559 .find_map(|(start_row, block)| {
5560 if matches!(block, Block::ExcerptBoundary { .. }) {
5561 Some(start_row)
5562 } else {
5563 None
5564 }
5565 })
5566 .unwrap_or(end_row);
5567
5568 let start_y = start_row.as_f32() * line_height - scroll_top;
5569 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5570
5571 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5572 let highlight_size = size(gutter_strip_width, end_y - start_y);
5573 Bounds::new(highlight_origin, highlight_size)
5574 }
5575 }
5576 }
5577 }
5578
5579 fn paint_gutter_indicators(
5580 &self,
5581 layout: &mut EditorLayout,
5582 window: &mut Window,
5583 cx: &mut App,
5584 ) {
5585 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5586 window.with_element_namespace("crease_toggles", |window| {
5587 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5588 crease_toggle.paint(window, cx);
5589 }
5590 });
5591
5592 window.with_element_namespace("expand_toggles", |window| {
5593 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5594 expand_toggle.paint(window, cx);
5595 }
5596 });
5597
5598 for breakpoint in layout.breakpoints.iter_mut() {
5599 breakpoint.paint(window, cx);
5600 }
5601
5602 for test_indicator in layout.test_indicators.iter_mut() {
5603 test_indicator.paint(window, cx);
5604 }
5605 });
5606 }
5607
5608 fn paint_gutter_highlights(
5609 &self,
5610 layout: &mut EditorLayout,
5611 window: &mut Window,
5612 cx: &mut App,
5613 ) {
5614 for (_, hunk_hitbox) in &layout.display_hunks {
5615 if let Some(hunk_hitbox) = hunk_hitbox {
5616 if !self
5617 .editor
5618 .read(cx)
5619 .buffer()
5620 .read(cx)
5621 .all_diff_hunks_expanded()
5622 {
5623 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5624 }
5625 }
5626 }
5627
5628 let show_git_gutter = layout
5629 .position_map
5630 .snapshot
5631 .show_git_diff_gutter
5632 .unwrap_or_else(|| {
5633 matches!(
5634 ProjectSettings::get_global(cx).git.git_gutter,
5635 Some(GitGutterSetting::TrackedFiles)
5636 )
5637 });
5638 if show_git_gutter {
5639 Self::paint_gutter_diff_hunks(layout, window, cx)
5640 }
5641
5642 let highlight_width = 0.275 * layout.position_map.line_height;
5643 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5644 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5645 for (range, color) in &layout.highlighted_gutter_ranges {
5646 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5647 layout.visible_display_row_range.start - DisplayRow(1)
5648 } else {
5649 range.start.row()
5650 };
5651 let end_row = if range.end.row() > layout.visible_display_row_range.end {
5652 layout.visible_display_row_range.end + DisplayRow(1)
5653 } else {
5654 range.end.row()
5655 };
5656
5657 let start_y = layout.gutter_hitbox.top()
5658 + start_row.0 as f32 * layout.position_map.line_height
5659 - layout.position_map.scroll_pixel_position.y;
5660 let end_y = layout.gutter_hitbox.top()
5661 + (end_row.0 + 1) as f32 * layout.position_map.line_height
5662 - layout.position_map.scroll_pixel_position.y;
5663 let bounds = Bounds::from_corners(
5664 point(layout.gutter_hitbox.left(), start_y),
5665 point(layout.gutter_hitbox.left() + highlight_width, end_y),
5666 );
5667 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
5668 }
5669 });
5670 }
5671
5672 fn paint_blamed_display_rows(
5673 &self,
5674 layout: &mut EditorLayout,
5675 window: &mut Window,
5676 cx: &mut App,
5677 ) {
5678 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
5679 return;
5680 };
5681
5682 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5683 for mut blame_element in blamed_display_rows.into_iter() {
5684 blame_element.paint(window, cx);
5685 }
5686 })
5687 }
5688
5689 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5690 window.with_content_mask(
5691 Some(ContentMask {
5692 bounds: layout.position_map.text_hitbox.bounds,
5693 }),
5694 |window| {
5695 let editor = self.editor.read(cx);
5696 if editor.mouse_cursor_hidden {
5697 window.set_window_cursor_style(CursorStyle::None);
5698 } else if matches!(
5699 editor.selection_drag_state,
5700 SelectionDragState::Dragging { .. }
5701 ) {
5702 window
5703 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
5704 } else if editor
5705 .hovered_link_state
5706 .as_ref()
5707 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
5708 {
5709 window.set_cursor_style(
5710 CursorStyle::PointingHand,
5711 &layout.position_map.text_hitbox,
5712 );
5713 } else {
5714 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
5715 };
5716
5717 self.paint_lines_background(layout, window, cx);
5718 let invisible_display_ranges = self.paint_highlights(layout, window);
5719 self.paint_document_colors(layout, window);
5720 self.paint_lines(&invisible_display_ranges, layout, window, cx);
5721 self.paint_redactions(layout, window);
5722 self.paint_cursors(layout, window, cx);
5723 self.paint_inline_diagnostics(layout, window, cx);
5724 self.paint_inline_blame(layout, window, cx);
5725 self.paint_inline_code_actions(layout, window, cx);
5726 self.paint_diff_hunk_controls(layout, window, cx);
5727 window.with_element_namespace("crease_trailers", |window| {
5728 for trailer in layout.crease_trailers.iter_mut().flatten() {
5729 trailer.element.paint(window, cx);
5730 }
5731 });
5732 },
5733 )
5734 }
5735
5736 fn paint_highlights(
5737 &mut self,
5738 layout: &mut EditorLayout,
5739 window: &mut Window,
5740 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
5741 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5742 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
5743 let line_end_overshoot = 0.15 * layout.position_map.line_height;
5744 for (range, color) in &layout.highlighted_ranges {
5745 self.paint_highlighted_range(
5746 range.clone(),
5747 true,
5748 *color,
5749 Pixels::ZERO,
5750 line_end_overshoot,
5751 layout,
5752 window,
5753 );
5754 }
5755
5756 let corner_radius = 0.15 * layout.position_map.line_height;
5757
5758 for (player_color, selections) in &layout.selections {
5759 for selection in selections.iter() {
5760 self.paint_highlighted_range(
5761 selection.range.clone(),
5762 true,
5763 player_color.selection,
5764 corner_radius,
5765 corner_radius * 2.,
5766 layout,
5767 window,
5768 );
5769
5770 if selection.is_local && !selection.range.is_empty() {
5771 invisible_display_ranges.push(selection.range.clone());
5772 }
5773 }
5774 }
5775 invisible_display_ranges
5776 })
5777 }
5778
5779 fn paint_lines(
5780 &mut self,
5781 invisible_display_ranges: &[Range<DisplayPoint>],
5782 layout: &mut EditorLayout,
5783 window: &mut Window,
5784 cx: &mut App,
5785 ) {
5786 let whitespace_setting = self
5787 .editor
5788 .read(cx)
5789 .buffer
5790 .read(cx)
5791 .language_settings(cx)
5792 .show_whitespaces;
5793
5794 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5795 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5796 line_with_invisibles.draw(
5797 layout,
5798 row,
5799 layout.content_origin,
5800 whitespace_setting,
5801 invisible_display_ranges,
5802 window,
5803 cx,
5804 )
5805 }
5806
5807 for line_element in &mut layout.line_elements {
5808 line_element.paint(window, cx);
5809 }
5810 }
5811
5812 fn paint_lines_background(
5813 &mut self,
5814 layout: &mut EditorLayout,
5815 window: &mut Window,
5816 cx: &mut App,
5817 ) {
5818 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5819 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5820 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
5821 }
5822 }
5823
5824 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
5825 if layout.redacted_ranges.is_empty() {
5826 return;
5827 }
5828
5829 let line_end_overshoot = layout.line_end_overshoot();
5830
5831 // A softer than perfect black
5832 let redaction_color = gpui::rgb(0x0e1111);
5833
5834 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5835 for range in layout.redacted_ranges.iter() {
5836 self.paint_highlighted_range(
5837 range.clone(),
5838 true,
5839 redaction_color.into(),
5840 Pixels::ZERO,
5841 line_end_overshoot,
5842 layout,
5843 window,
5844 );
5845 }
5846 });
5847 }
5848
5849 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
5850 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
5851 return;
5852 };
5853 if image_colors.is_empty()
5854 || colors_render_mode == &DocumentColorsRenderMode::None
5855 || colors_render_mode == &DocumentColorsRenderMode::Inlay
5856 {
5857 return;
5858 }
5859
5860 let line_end_overshoot = layout.line_end_overshoot();
5861
5862 for (range, color) in image_colors {
5863 match colors_render_mode {
5864 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
5865 DocumentColorsRenderMode::Background => {
5866 self.paint_highlighted_range(
5867 range.clone(),
5868 true,
5869 *color,
5870 Pixels::ZERO,
5871 line_end_overshoot,
5872 layout,
5873 window,
5874 );
5875 }
5876 DocumentColorsRenderMode::Border => {
5877 self.paint_highlighted_range(
5878 range.clone(),
5879 false,
5880 *color,
5881 Pixels::ZERO,
5882 line_end_overshoot,
5883 layout,
5884 window,
5885 );
5886 }
5887 }
5888 }
5889 }
5890
5891 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5892 for cursor in &mut layout.visible_cursors {
5893 cursor.paint(layout.content_origin, window, cx);
5894 }
5895 }
5896
5897 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5898 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
5899 return;
5900 };
5901 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
5902
5903 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
5904 let hitbox = &scrollbar_layout.hitbox;
5905 if scrollbars_layout.visible {
5906 let scrollbar_edges = match axis {
5907 ScrollbarAxis::Horizontal => Edges {
5908 top: Pixels::ZERO,
5909 right: Pixels::ZERO,
5910 bottom: Pixels::ZERO,
5911 left: Pixels::ZERO,
5912 },
5913 ScrollbarAxis::Vertical => Edges {
5914 top: Pixels::ZERO,
5915 right: Pixels::ZERO,
5916 bottom: Pixels::ZERO,
5917 left: ScrollbarLayout::BORDER_WIDTH,
5918 },
5919 };
5920
5921 window.paint_layer(hitbox.bounds, |window| {
5922 window.paint_quad(quad(
5923 hitbox.bounds,
5924 Corners::default(),
5925 cx.theme().colors().scrollbar_track_background,
5926 scrollbar_edges,
5927 cx.theme().colors().scrollbar_track_border,
5928 BorderStyle::Solid,
5929 ));
5930
5931 if axis == ScrollbarAxis::Vertical {
5932 let fast_markers =
5933 self.collect_fast_scrollbar_markers(layout, &scrollbar_layout, cx);
5934 // Refresh slow scrollbar markers in the background. Below, we
5935 // paint whatever markers have already been computed.
5936 self.refresh_slow_scrollbar_markers(layout, &scrollbar_layout, window, cx);
5937
5938 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
5939 for marker in markers.iter().chain(&fast_markers) {
5940 let mut marker = marker.clone();
5941 marker.bounds.origin += hitbox.origin;
5942 window.paint_quad(marker);
5943 }
5944 }
5945
5946 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
5947 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
5948 ScrollbarThumbState::Dragging => {
5949 cx.theme().colors().scrollbar_thumb_active_background
5950 }
5951 ScrollbarThumbState::Hovered => {
5952 cx.theme().colors().scrollbar_thumb_hover_background
5953 }
5954 ScrollbarThumbState::Idle => {
5955 cx.theme().colors().scrollbar_thumb_background
5956 }
5957 };
5958 window.paint_quad(quad(
5959 thumb_bounds,
5960 Corners::default(),
5961 scrollbar_thumb_color,
5962 scrollbar_edges,
5963 cx.theme().colors().scrollbar_thumb_border,
5964 BorderStyle::Solid,
5965 ));
5966
5967 if any_scrollbar_dragged {
5968 window.set_window_cursor_style(CursorStyle::Arrow);
5969 } else {
5970 window.set_cursor_style(CursorStyle::Arrow, &hitbox);
5971 }
5972 }
5973 })
5974 }
5975 }
5976
5977 window.on_mouse_event({
5978 let editor = self.editor.clone();
5979 let scrollbars_layout = scrollbars_layout.clone();
5980
5981 let mut mouse_position = window.mouse_position();
5982 move |event: &MouseMoveEvent, phase, window, cx| {
5983 if phase == DispatchPhase::Capture {
5984 return;
5985 }
5986
5987 editor.update(cx, |editor, cx| {
5988 if let Some((scrollbar_layout, axis)) = event
5989 .pressed_button
5990 .filter(|button| *button == MouseButton::Left)
5991 .and(editor.scroll_manager.dragging_scrollbar_axis())
5992 .and_then(|axis| {
5993 scrollbars_layout
5994 .iter_scrollbars()
5995 .find(|(_, a)| *a == axis)
5996 })
5997 {
5998 let ScrollbarLayout {
5999 hitbox,
6000 text_unit_size,
6001 ..
6002 } = scrollbar_layout;
6003
6004 let old_position = mouse_position.along(axis);
6005 let new_position = event.position.along(axis);
6006 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6007 .contains(&old_position)
6008 {
6009 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6010 (p + (new_position - old_position) / *text_unit_size).max(0.)
6011 });
6012 editor.set_scroll_position(position, window, cx);
6013 }
6014
6015 editor.scroll_manager.show_scrollbars(window, cx);
6016 cx.stop_propagation();
6017 } else if let Some((layout, axis)) = scrollbars_layout
6018 .get_hovered_axis(window)
6019 .filter(|_| !event.dragging())
6020 {
6021 if layout.thumb_hovered(&event.position) {
6022 editor
6023 .scroll_manager
6024 .set_hovered_scroll_thumb_axis(axis, cx);
6025 } else {
6026 editor.scroll_manager.reset_scrollbar_state(cx);
6027 }
6028
6029 editor.scroll_manager.show_scrollbars(window, cx);
6030 } else {
6031 editor.scroll_manager.reset_scrollbar_state(cx);
6032 }
6033
6034 mouse_position = event.position;
6035 })
6036 }
6037 });
6038
6039 if any_scrollbar_dragged {
6040 window.on_mouse_event({
6041 let editor = self.editor.clone();
6042 move |_: &MouseUpEvent, phase, window, cx| {
6043 if phase == DispatchPhase::Capture {
6044 return;
6045 }
6046
6047 editor.update(cx, |editor, cx| {
6048 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6049 editor
6050 .scroll_manager
6051 .set_hovered_scroll_thumb_axis(axis, cx);
6052 } else {
6053 editor.scroll_manager.reset_scrollbar_state(cx);
6054 }
6055 cx.stop_propagation();
6056 });
6057 }
6058 });
6059 } else {
6060 window.on_mouse_event({
6061 let editor = self.editor.clone();
6062
6063 move |event: &MouseDownEvent, phase, window, cx| {
6064 if phase == DispatchPhase::Capture {
6065 return;
6066 }
6067 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6068 else {
6069 return;
6070 };
6071
6072 let ScrollbarLayout {
6073 hitbox,
6074 visible_range,
6075 text_unit_size,
6076 thumb_bounds,
6077 ..
6078 } = scrollbar_layout;
6079
6080 let Some(thumb_bounds) = thumb_bounds else {
6081 return;
6082 };
6083
6084 editor.update(cx, |editor, cx| {
6085 editor
6086 .scroll_manager
6087 .set_dragged_scroll_thumb_axis(axis, cx);
6088
6089 let event_position = event.position.along(axis);
6090
6091 if event_position < thumb_bounds.origin.along(axis)
6092 || thumb_bounds.bottom_right().along(axis) < event_position
6093 {
6094 let center_position = ((event_position - hitbox.origin.along(axis))
6095 / *text_unit_size)
6096 .round() as u32;
6097 let start_position = center_position.saturating_sub(
6098 (visible_range.end - visible_range.start) as u32 / 2,
6099 );
6100
6101 let position = editor
6102 .scroll_position(cx)
6103 .apply_along(axis, |_| start_position as f32);
6104
6105 editor.set_scroll_position(position, window, cx);
6106 } else {
6107 editor.scroll_manager.show_scrollbars(window, cx);
6108 }
6109
6110 cx.stop_propagation();
6111 });
6112 }
6113 });
6114 }
6115 }
6116
6117 fn collect_fast_scrollbar_markers(
6118 &self,
6119 layout: &EditorLayout,
6120 scrollbar_layout: &ScrollbarLayout,
6121 cx: &mut App,
6122 ) -> Vec<PaintQuad> {
6123 const LIMIT: usize = 100;
6124 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6125 return vec![];
6126 }
6127 let cursor_ranges = layout
6128 .cursors
6129 .iter()
6130 .map(|(point, color)| ColoredRange {
6131 start: point.row(),
6132 end: point.row(),
6133 color: *color,
6134 })
6135 .collect_vec();
6136 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6137 }
6138
6139 fn refresh_slow_scrollbar_markers(
6140 &self,
6141 layout: &EditorLayout,
6142 scrollbar_layout: &ScrollbarLayout,
6143 window: &mut Window,
6144 cx: &mut App,
6145 ) {
6146 self.editor.update(cx, |editor, cx| {
6147 if !editor.is_singleton(cx)
6148 || !editor
6149 .scrollbar_marker_state
6150 .should_refresh(scrollbar_layout.hitbox.size)
6151 {
6152 return;
6153 }
6154
6155 let scrollbar_layout = scrollbar_layout.clone();
6156 let background_highlights = editor.background_highlights.clone();
6157 let snapshot = layout.position_map.snapshot.clone();
6158 let theme = cx.theme().clone();
6159 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6160
6161 editor.scrollbar_marker_state.dirty = false;
6162 editor.scrollbar_marker_state.pending_refresh =
6163 Some(cx.spawn_in(window, async move |editor, cx| {
6164 let scrollbar_size = scrollbar_layout.hitbox.size;
6165 let scrollbar_markers = cx
6166 .background_spawn(async move {
6167 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6168 let mut marker_quads = Vec::new();
6169 if scrollbar_settings.git_diff {
6170 let marker_row_ranges =
6171 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6172 let start_display_row =
6173 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6174 .to_display_point(&snapshot.display_snapshot)
6175 .row();
6176 let mut end_display_row =
6177 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6178 .to_display_point(&snapshot.display_snapshot)
6179 .row();
6180 if end_display_row != start_display_row {
6181 end_display_row.0 -= 1;
6182 }
6183 let color = match &hunk.status().kind {
6184 DiffHunkStatusKind::Added => {
6185 theme.colors().version_control_added
6186 }
6187 DiffHunkStatusKind::Modified => {
6188 theme.colors().version_control_modified
6189 }
6190 DiffHunkStatusKind::Deleted => {
6191 theme.colors().version_control_deleted
6192 }
6193 };
6194 ColoredRange {
6195 start: start_display_row,
6196 end: end_display_row,
6197 color,
6198 }
6199 });
6200
6201 marker_quads.extend(
6202 scrollbar_layout
6203 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6204 );
6205 }
6206
6207 for (background_highlight_id, (_, background_ranges)) in
6208 background_highlights.iter()
6209 {
6210 let is_search_highlights = *background_highlight_id
6211 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6212 let is_text_highlights = *background_highlight_id
6213 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6214 let is_symbol_occurrences = *background_highlight_id
6215 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6216 || *background_highlight_id
6217 == HighlightKey::Type(
6218 TypeId::of::<DocumentHighlightWrite>(),
6219 );
6220 if (is_search_highlights && scrollbar_settings.search_results)
6221 || (is_text_highlights && scrollbar_settings.selected_text)
6222 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6223 {
6224 let mut color = theme.status().info;
6225 if is_symbol_occurrences {
6226 color.fade_out(0.5);
6227 }
6228 let marker_row_ranges = background_ranges.iter().map(|range| {
6229 let display_start = range
6230 .start
6231 .to_display_point(&snapshot.display_snapshot);
6232 let display_end =
6233 range.end.to_display_point(&snapshot.display_snapshot);
6234 ColoredRange {
6235 start: display_start.row(),
6236 end: display_end.row(),
6237 color,
6238 }
6239 });
6240 marker_quads.extend(
6241 scrollbar_layout
6242 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6243 );
6244 }
6245 }
6246
6247 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6248 let diagnostics = snapshot
6249 .buffer_snapshot
6250 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6251 // Don't show diagnostics the user doesn't care about
6252 .filter(|diagnostic| {
6253 match (
6254 scrollbar_settings.diagnostics,
6255 diagnostic.diagnostic.severity,
6256 ) {
6257 (ScrollbarDiagnostics::All, _) => true,
6258 (
6259 ScrollbarDiagnostics::Error,
6260 lsp::DiagnosticSeverity::ERROR,
6261 ) => true,
6262 (
6263 ScrollbarDiagnostics::Warning,
6264 lsp::DiagnosticSeverity::ERROR
6265 | lsp::DiagnosticSeverity::WARNING,
6266 ) => true,
6267 (
6268 ScrollbarDiagnostics::Information,
6269 lsp::DiagnosticSeverity::ERROR
6270 | lsp::DiagnosticSeverity::WARNING
6271 | lsp::DiagnosticSeverity::INFORMATION,
6272 ) => true,
6273 (_, _) => false,
6274 }
6275 })
6276 // We want to sort by severity, in order to paint the most severe diagnostics last.
6277 .sorted_by_key(|diagnostic| {
6278 std::cmp::Reverse(diagnostic.diagnostic.severity)
6279 });
6280
6281 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6282 let start_display = diagnostic
6283 .range
6284 .start
6285 .to_display_point(&snapshot.display_snapshot);
6286 let end_display = diagnostic
6287 .range
6288 .end
6289 .to_display_point(&snapshot.display_snapshot);
6290 let color = match diagnostic.diagnostic.severity {
6291 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6292 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6293 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6294 _ => theme.status().hint,
6295 };
6296 ColoredRange {
6297 start: start_display.row(),
6298 end: end_display.row(),
6299 color,
6300 }
6301 });
6302 marker_quads.extend(
6303 scrollbar_layout
6304 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6305 );
6306 }
6307
6308 Arc::from(marker_quads)
6309 })
6310 .await;
6311
6312 editor.update(cx, |editor, cx| {
6313 editor.scrollbar_marker_state.markers = scrollbar_markers;
6314 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6315 editor.scrollbar_marker_state.pending_refresh = None;
6316 cx.notify();
6317 })?;
6318
6319 Ok(())
6320 }));
6321 });
6322 }
6323
6324 fn paint_highlighted_range(
6325 &self,
6326 range: Range<DisplayPoint>,
6327 fill: bool,
6328 color: Hsla,
6329 corner_radius: Pixels,
6330 line_end_overshoot: Pixels,
6331 layout: &EditorLayout,
6332 window: &mut Window,
6333 ) {
6334 let start_row = layout.visible_display_row_range.start;
6335 let end_row = layout.visible_display_row_range.end;
6336 if range.start != range.end {
6337 let row_range = if range.end.column() == 0 {
6338 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6339 } else {
6340 cmp::max(range.start.row(), start_row)
6341 ..cmp::min(range.end.row().next_row(), end_row)
6342 };
6343
6344 let highlighted_range = HighlightedRange {
6345 color,
6346 line_height: layout.position_map.line_height,
6347 corner_radius,
6348 start_y: layout.content_origin.y
6349 + row_range.start.as_f32() * layout.position_map.line_height
6350 - layout.position_map.scroll_pixel_position.y,
6351 lines: row_range
6352 .iter_rows()
6353 .map(|row| {
6354 let line_layout =
6355 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6356 HighlightedRangeLine {
6357 start_x: if row == range.start.row() {
6358 layout.content_origin.x
6359 + line_layout.x_for_index(range.start.column() as usize)
6360 - layout.position_map.scroll_pixel_position.x
6361 } else {
6362 layout.content_origin.x
6363 - layout.position_map.scroll_pixel_position.x
6364 },
6365 end_x: if row == range.end.row() {
6366 layout.content_origin.x
6367 + line_layout.x_for_index(range.end.column() as usize)
6368 - layout.position_map.scroll_pixel_position.x
6369 } else {
6370 layout.content_origin.x + line_layout.width + line_end_overshoot
6371 - layout.position_map.scroll_pixel_position.x
6372 },
6373 }
6374 })
6375 .collect(),
6376 };
6377
6378 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6379 }
6380 }
6381
6382 fn paint_inline_diagnostics(
6383 &mut self,
6384 layout: &mut EditorLayout,
6385 window: &mut Window,
6386 cx: &mut App,
6387 ) {
6388 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6389 inline_diagnostic.1.paint(window, cx);
6390 }
6391 }
6392
6393 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6394 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6395 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6396 blame_layout.element.paint(window, cx);
6397 })
6398 }
6399 }
6400
6401 fn paint_inline_code_actions(
6402 &mut self,
6403 layout: &mut EditorLayout,
6404 window: &mut Window,
6405 cx: &mut App,
6406 ) {
6407 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6408 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6409 inline_code_actions.paint(window, cx);
6410 })
6411 }
6412 }
6413
6414 fn paint_diff_hunk_controls(
6415 &mut self,
6416 layout: &mut EditorLayout,
6417 window: &mut Window,
6418 cx: &mut App,
6419 ) {
6420 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6421 diff_hunk_control.paint(window, cx);
6422 }
6423 }
6424
6425 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6426 if let Some(mut layout) = layout.minimap.take() {
6427 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6428 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6429
6430 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6431 window.with_element_namespace("minimap", |window| {
6432 layout.minimap.paint(window, cx);
6433 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6434 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6435 ScrollbarThumbState::Idle => {
6436 cx.theme().colors().minimap_thumb_background
6437 }
6438 ScrollbarThumbState::Hovered => {
6439 cx.theme().colors().minimap_thumb_hover_background
6440 }
6441 ScrollbarThumbState::Dragging => {
6442 cx.theme().colors().minimap_thumb_active_background
6443 }
6444 };
6445 let minimap_thumb_border = match layout.thumb_border_style {
6446 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6447 MinimapThumbBorder::LeftOnly => Edges {
6448 left: ScrollbarLayout::BORDER_WIDTH,
6449 ..Default::default()
6450 },
6451 MinimapThumbBorder::LeftOpen => Edges {
6452 right: ScrollbarLayout::BORDER_WIDTH,
6453 top: ScrollbarLayout::BORDER_WIDTH,
6454 bottom: ScrollbarLayout::BORDER_WIDTH,
6455 ..Default::default()
6456 },
6457 MinimapThumbBorder::RightOpen => Edges {
6458 left: ScrollbarLayout::BORDER_WIDTH,
6459 top: ScrollbarLayout::BORDER_WIDTH,
6460 bottom: ScrollbarLayout::BORDER_WIDTH,
6461 ..Default::default()
6462 },
6463 MinimapThumbBorder::None => Default::default(),
6464 };
6465
6466 window.paint_layer(minimap_hitbox.bounds, |window| {
6467 window.paint_quad(quad(
6468 thumb_bounds,
6469 Corners::default(),
6470 minimap_thumb_color,
6471 minimap_thumb_border,
6472 cx.theme().colors().minimap_thumb_border,
6473 BorderStyle::Solid,
6474 ));
6475 });
6476 }
6477 });
6478 });
6479
6480 if dragging_minimap {
6481 window.set_window_cursor_style(CursorStyle::Arrow);
6482 } else {
6483 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6484 }
6485
6486 let minimap_axis = ScrollbarAxis::Vertical;
6487 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6488 .min(layout.minimap_line_height);
6489
6490 let mut mouse_position = window.mouse_position();
6491
6492 window.on_mouse_event({
6493 let editor = self.editor.clone();
6494
6495 let minimap_hitbox = minimap_hitbox.clone();
6496
6497 move |event: &MouseMoveEvent, phase, window, cx| {
6498 if phase == DispatchPhase::Capture {
6499 return;
6500 }
6501
6502 editor.update(cx, |editor, cx| {
6503 if event.pressed_button == Some(MouseButton::Left)
6504 && editor.scroll_manager.is_dragging_minimap()
6505 {
6506 let old_position = mouse_position.along(minimap_axis);
6507 let new_position = event.position.along(minimap_axis);
6508 if (minimap_hitbox.origin.along(minimap_axis)
6509 ..minimap_hitbox.bottom_right().along(minimap_axis))
6510 .contains(&old_position)
6511 {
6512 let position =
6513 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6514 (p + (new_position - old_position) / pixels_per_line)
6515 .max(0.)
6516 });
6517 editor.set_scroll_position(position, window, cx);
6518 }
6519 cx.stop_propagation();
6520 } else {
6521 if minimap_hitbox.is_hovered(window) {
6522 editor.scroll_manager.set_is_hovering_minimap_thumb(
6523 !event.dragging()
6524 && layout
6525 .thumb_layout
6526 .thumb_bounds
6527 .is_some_and(|bounds| bounds.contains(&event.position)),
6528 cx,
6529 );
6530
6531 // Stop hover events from propagating to the
6532 // underlying editor if the minimap hitbox is hovered
6533 if !event.dragging() {
6534 cx.stop_propagation();
6535 }
6536 } else {
6537 editor.scroll_manager.hide_minimap_thumb(cx);
6538 }
6539 }
6540 mouse_position = event.position;
6541 });
6542 }
6543 });
6544
6545 if dragging_minimap {
6546 window.on_mouse_event({
6547 let editor = self.editor.clone();
6548 move |event: &MouseUpEvent, phase, window, cx| {
6549 if phase == DispatchPhase::Capture {
6550 return;
6551 }
6552
6553 editor.update(cx, |editor, cx| {
6554 if minimap_hitbox.is_hovered(window) {
6555 editor.scroll_manager.set_is_hovering_minimap_thumb(
6556 layout
6557 .thumb_layout
6558 .thumb_bounds
6559 .is_some_and(|bounds| bounds.contains(&event.position)),
6560 cx,
6561 );
6562 } else {
6563 editor.scroll_manager.hide_minimap_thumb(cx);
6564 }
6565 cx.stop_propagation();
6566 });
6567 }
6568 });
6569 } else {
6570 window.on_mouse_event({
6571 let editor = self.editor.clone();
6572
6573 move |event: &MouseDownEvent, phase, window, cx| {
6574 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6575 return;
6576 }
6577
6578 let event_position = event.position;
6579
6580 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6581 return;
6582 };
6583
6584 editor.update(cx, |editor, cx| {
6585 if !thumb_bounds.contains(&event_position) {
6586 let click_position =
6587 event_position.relative_to(&minimap_hitbox.origin).y;
6588
6589 let top_position = (click_position
6590 - thumb_bounds.size.along(minimap_axis) / 2.0)
6591 .max(Pixels::ZERO);
6592
6593 let scroll_offset = (layout.minimap_scroll_top
6594 + top_position / layout.minimap_line_height)
6595 .min(layout.max_scroll_top);
6596
6597 let scroll_position = editor
6598 .scroll_position(cx)
6599 .apply_along(minimap_axis, |_| scroll_offset);
6600 editor.set_scroll_position(scroll_position, window, cx);
6601 }
6602
6603 editor.scroll_manager.set_is_dragging_minimap(cx);
6604 cx.stop_propagation();
6605 });
6606 }
6607 });
6608 }
6609 }
6610 }
6611
6612 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6613 for mut block in layout.blocks.drain(..) {
6614 if block.overlaps_gutter {
6615 block.element.paint(window, cx);
6616 } else {
6617 let mut bounds = layout.hitbox.bounds;
6618 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6619 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6620 block.element.paint(window, cx);
6621 })
6622 }
6623 }
6624 }
6625
6626 fn paint_inline_completion_popover(
6627 &mut self,
6628 layout: &mut EditorLayout,
6629 window: &mut Window,
6630 cx: &mut App,
6631 ) {
6632 if let Some(inline_completion_popover) = layout.inline_completion_popover.as_mut() {
6633 inline_completion_popover.paint(window, cx);
6634 }
6635 }
6636
6637 fn paint_mouse_context_menu(
6638 &mut self,
6639 layout: &mut EditorLayout,
6640 window: &mut Window,
6641 cx: &mut App,
6642 ) {
6643 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
6644 mouse_context_menu.paint(window, cx);
6645 }
6646 }
6647
6648 fn paint_scroll_wheel_listener(
6649 &mut self,
6650 layout: &EditorLayout,
6651 window: &mut Window,
6652 cx: &mut App,
6653 ) {
6654 window.on_mouse_event({
6655 let position_map = layout.position_map.clone();
6656 let editor = self.editor.clone();
6657 let hitbox = layout.hitbox.clone();
6658 let mut delta = ScrollDelta::default();
6659
6660 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
6661 // accidentally turn off their scrolling.
6662 let base_scroll_sensitivity =
6663 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
6664
6665 // Use a minimum fast_scroll_sensitivity for same reason above
6666 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
6667 .fast_scroll_sensitivity
6668 .max(0.01);
6669
6670 move |event: &ScrollWheelEvent, phase, window, cx| {
6671 let scroll_sensitivity = {
6672 if event.modifiers.alt {
6673 fast_scroll_sensitivity
6674 } else {
6675 base_scroll_sensitivity
6676 }
6677 };
6678
6679 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
6680 delta = delta.coalesce(event.delta);
6681 editor.update(cx, |editor, cx| {
6682 let position_map: &PositionMap = &position_map;
6683
6684 let line_height = position_map.line_height;
6685 let max_glyph_width = position_map.em_width;
6686 let (delta, axis) = match delta {
6687 gpui::ScrollDelta::Pixels(mut pixels) => {
6688 //Trackpad
6689 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
6690 (pixels, axis)
6691 }
6692
6693 gpui::ScrollDelta::Lines(lines) => {
6694 //Not trackpad
6695 let pixels =
6696 point(lines.x * max_glyph_width, lines.y * line_height);
6697 (pixels, None)
6698 }
6699 };
6700
6701 let current_scroll_position = position_map.snapshot.scroll_position();
6702 let x = (current_scroll_position.x * max_glyph_width
6703 - (delta.x * scroll_sensitivity))
6704 / max_glyph_width;
6705 let y = (current_scroll_position.y * line_height
6706 - (delta.y * scroll_sensitivity))
6707 / line_height;
6708 let mut scroll_position =
6709 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
6710 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
6711 if forbid_vertical_scroll {
6712 scroll_position.y = current_scroll_position.y;
6713 }
6714
6715 if scroll_position != current_scroll_position {
6716 editor.scroll(scroll_position, axis, window, cx);
6717 cx.stop_propagation();
6718 } else if y < 0. {
6719 // Due to clamping, we may fail to detect cases of overscroll to the top;
6720 // We want the scroll manager to get an update in such cases and detect the change of direction
6721 // on the next frame.
6722 cx.notify();
6723 }
6724 });
6725 }
6726 }
6727 });
6728 }
6729
6730 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
6731 if self.editor.read(cx).mode.is_minimap() {
6732 return;
6733 }
6734
6735 self.paint_scroll_wheel_listener(layout, window, cx);
6736
6737 window.on_mouse_event({
6738 let position_map = layout.position_map.clone();
6739 let editor = self.editor.clone();
6740 let diff_hunk_range =
6741 layout
6742 .display_hunks
6743 .iter()
6744 .find_map(|(hunk, hunk_hitbox)| match hunk {
6745 DisplayDiffHunk::Folded { .. } => None,
6746 DisplayDiffHunk::Unfolded {
6747 multi_buffer_range, ..
6748 } => {
6749 if hunk_hitbox
6750 .as_ref()
6751 .map(|hitbox| hitbox.is_hovered(window))
6752 .unwrap_or(false)
6753 {
6754 Some(multi_buffer_range.clone())
6755 } else {
6756 None
6757 }
6758 }
6759 });
6760 let line_numbers = layout.line_numbers.clone();
6761
6762 move |event: &MouseDownEvent, phase, window, cx| {
6763 if phase == DispatchPhase::Bubble {
6764 match event.button {
6765 MouseButton::Left => editor.update(cx, |editor, cx| {
6766 let pending_mouse_down = editor
6767 .pending_mouse_down
6768 .get_or_insert_with(Default::default)
6769 .clone();
6770
6771 *pending_mouse_down.borrow_mut() = Some(event.clone());
6772
6773 Self::mouse_left_down(
6774 editor,
6775 event,
6776 diff_hunk_range.clone(),
6777 &position_map,
6778 line_numbers.as_ref(),
6779 window,
6780 cx,
6781 );
6782 }),
6783 MouseButton::Right => editor.update(cx, |editor, cx| {
6784 Self::mouse_right_down(editor, event, &position_map, window, cx);
6785 }),
6786 MouseButton::Middle => editor.update(cx, |editor, cx| {
6787 Self::mouse_middle_down(editor, event, &position_map, window, cx);
6788 }),
6789 _ => {}
6790 };
6791 }
6792 }
6793 });
6794
6795 window.on_mouse_event({
6796 let editor = self.editor.clone();
6797 let position_map = layout.position_map.clone();
6798
6799 move |event: &MouseUpEvent, phase, window, cx| {
6800 if phase == DispatchPhase::Bubble {
6801 editor.update(cx, |editor, cx| {
6802 Self::mouse_up(editor, event, &position_map, window, cx)
6803 });
6804 }
6805 }
6806 });
6807
6808 window.on_mouse_event({
6809 let editor = self.editor.clone();
6810 let position_map = layout.position_map.clone();
6811 let mut captured_mouse_down = None;
6812
6813 move |event: &MouseUpEvent, phase, window, cx| match phase {
6814 // Clear the pending mouse down during the capture phase,
6815 // so that it happens even if another event handler stops
6816 // propagation.
6817 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
6818 let pending_mouse_down = editor
6819 .pending_mouse_down
6820 .get_or_insert_with(Default::default)
6821 .clone();
6822
6823 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
6824 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
6825 captured_mouse_down = pending_mouse_down.take();
6826 window.refresh();
6827 }
6828 }),
6829 // Fire click handlers during the bubble phase.
6830 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
6831 if let Some(mouse_down) = captured_mouse_down.take() {
6832 let event = ClickEvent {
6833 down: mouse_down,
6834 up: event.clone(),
6835 };
6836 Self::click(editor, &event, &position_map, window, cx);
6837 }
6838 }),
6839 }
6840 });
6841
6842 window.on_mouse_event({
6843 let position_map = layout.position_map.clone();
6844 let editor = self.editor.clone();
6845
6846 move |event: &MouseMoveEvent, phase, window, cx| {
6847 if phase == DispatchPhase::Bubble {
6848 editor.update(cx, |editor, cx| {
6849 if editor.hover_state.focused(window, cx) {
6850 return;
6851 }
6852 if event.pressed_button == Some(MouseButton::Left)
6853 || event.pressed_button == Some(MouseButton::Middle)
6854 {
6855 Self::mouse_dragged(editor, event, &position_map, window, cx)
6856 }
6857
6858 Self::mouse_moved(editor, event, &position_map, window, cx)
6859 });
6860 }
6861 }
6862 });
6863 }
6864
6865 fn scrollbar_left(&self, bounds: &Bounds<Pixels>) -> Pixels {
6866 bounds.top_right().x - self.style.scrollbar_width
6867 }
6868
6869 fn column_pixels(&self, column: usize, window: &mut Window, _: &mut App) -> Pixels {
6870 let style = &self.style;
6871 let font_size = style.text.font_size.to_pixels(window.rem_size());
6872 let layout = window.text_system().shape_line(
6873 SharedString::from(" ".repeat(column)),
6874 font_size,
6875 &[TextRun {
6876 len: column,
6877 font: style.text.font(),
6878 color: Hsla::default(),
6879 background_color: None,
6880 underline: None,
6881 strikethrough: None,
6882 }],
6883 );
6884
6885 layout.width
6886 }
6887
6888 fn max_line_number_width(
6889 &self,
6890 snapshot: &EditorSnapshot,
6891 window: &mut Window,
6892 cx: &mut App,
6893 ) -> Pixels {
6894 let digit_count = snapshot.widest_line_number().ilog10() + 1;
6895 self.column_pixels(digit_count as usize, window, cx)
6896 }
6897
6898 fn shape_line_number(
6899 &self,
6900 text: SharedString,
6901 color: Hsla,
6902 window: &mut Window,
6903 ) -> ShapedLine {
6904 let run = TextRun {
6905 len: text.len(),
6906 font: self.style.text.font(),
6907 color,
6908 background_color: None,
6909 underline: None,
6910 strikethrough: None,
6911 };
6912 window.text_system().shape_line(
6913 text,
6914 self.style.text.font_size.to_pixels(window.rem_size()),
6915 &[run],
6916 )
6917 }
6918
6919 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
6920 let unstaged = status.has_secondary_hunk();
6921 let unstaged_hollow = ProjectSettings::get_global(cx)
6922 .git
6923 .hunk_style
6924 .map_or(false, |style| {
6925 matches!(style, GitHunkStyleSetting::UnstagedHollow)
6926 });
6927
6928 unstaged == unstaged_hollow
6929 }
6930}
6931
6932fn header_jump_data(
6933 snapshot: &EditorSnapshot,
6934 block_row_start: DisplayRow,
6935 height: u32,
6936 for_excerpt: &ExcerptInfo,
6937) -> JumpData {
6938 let range = &for_excerpt.range;
6939 let buffer = &for_excerpt.buffer;
6940 let jump_anchor = range.primary.start;
6941
6942 let excerpt_start = range.context.start;
6943 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
6944 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
6945 0
6946 } else {
6947 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
6948 jump_position.row.saturating_sub(excerpt_start_point.row)
6949 };
6950
6951 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
6952 .saturating_sub(
6953 snapshot
6954 .scroll_anchor
6955 .scroll_position(&snapshot.display_snapshot)
6956 .y as u32,
6957 );
6958
6959 JumpData::MultiBufferPoint {
6960 excerpt_id: for_excerpt.id,
6961 anchor: jump_anchor,
6962 position: jump_position,
6963 line_offset_from_top,
6964 }
6965}
6966
6967pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
6968
6969impl AcceptEditPredictionBinding {
6970 pub fn keystroke(&self) -> Option<&Keystroke> {
6971 if let Some(binding) = self.0.as_ref() {
6972 match &binding.keystrokes() {
6973 [keystroke, ..] => Some(keystroke),
6974 _ => None,
6975 }
6976 } else {
6977 None
6978 }
6979 }
6980}
6981
6982fn prepaint_gutter_button(
6983 button: IconButton,
6984 row: DisplayRow,
6985 line_height: Pixels,
6986 gutter_dimensions: &GutterDimensions,
6987 scroll_pixel_position: gpui::Point<Pixels>,
6988 gutter_hitbox: &Hitbox,
6989 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
6990 window: &mut Window,
6991 cx: &mut App,
6992) -> AnyElement {
6993 let mut button = button.into_any_element();
6994
6995 let available_space = size(
6996 AvailableSpace::MinContent,
6997 AvailableSpace::Definite(line_height),
6998 );
6999 let indicator_size = button.layout_as_root(available_space, window, cx);
7000
7001 let blame_width = gutter_dimensions.git_blame_entries_width;
7002 let gutter_width = display_hunks
7003 .binary_search_by(|(hunk, _)| match hunk {
7004 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7005 DisplayDiffHunk::Unfolded {
7006 display_row_range, ..
7007 } => {
7008 if display_row_range.end <= row {
7009 Ordering::Less
7010 } else if display_row_range.start > row {
7011 Ordering::Greater
7012 } else {
7013 Ordering::Equal
7014 }
7015 }
7016 })
7017 .ok()
7018 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7019 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7020
7021 let mut x = left_offset;
7022 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7023 - indicator_size.width
7024 - left_offset;
7025 x += available_width / 2.;
7026
7027 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7028 y += (line_height - indicator_size.height) / 2.;
7029
7030 button.prepaint_as_root(
7031 gutter_hitbox.origin + point(x, y),
7032 available_space,
7033 window,
7034 cx,
7035 );
7036 button
7037}
7038
7039fn render_inline_blame_entry(
7040 blame_entry: BlameEntry,
7041 style: &EditorStyle,
7042 cx: &mut App,
7043) -> Option<AnyElement> {
7044 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7045 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7046}
7047
7048fn render_blame_entry_popover(
7049 blame_entry: BlameEntry,
7050 scroll_handle: ScrollHandle,
7051 commit_message: Option<ParsedCommitMessage>,
7052 markdown: Entity<Markdown>,
7053 workspace: WeakEntity<Workspace>,
7054 blame: &Entity<GitBlame>,
7055 window: &mut Window,
7056 cx: &mut App,
7057) -> Option<AnyElement> {
7058 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7059 let blame = blame.read(cx);
7060 let repository = blame.repository(cx)?.clone();
7061 renderer.render_blame_entry_popover(
7062 blame_entry,
7063 scroll_handle,
7064 commit_message,
7065 markdown,
7066 repository,
7067 workspace,
7068 window,
7069 cx,
7070 )
7071}
7072
7073fn render_blame_entry(
7074 ix: usize,
7075 blame: &Entity<GitBlame>,
7076 blame_entry: BlameEntry,
7077 style: &EditorStyle,
7078 last_used_color: &mut Option<(PlayerColor, Oid)>,
7079 editor: Entity<Editor>,
7080 workspace: Entity<Workspace>,
7081 renderer: Arc<dyn BlameRenderer>,
7082 cx: &mut App,
7083) -> Option<AnyElement> {
7084 let mut sha_color = cx
7085 .theme()
7086 .players()
7087 .color_for_participant(blame_entry.sha.into());
7088
7089 // If the last color we used is the same as the one we get for this line, but
7090 // the commit SHAs are different, then we try again to get a different color.
7091 match *last_used_color {
7092 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7093 let index: u32 = blame_entry.sha.into();
7094 sha_color = cx.theme().players().color_for_participant(index + 1);
7095 }
7096 _ => {}
7097 };
7098 last_used_color.replace((sha_color, blame_entry.sha));
7099
7100 let blame = blame.read(cx);
7101 let details = blame.details_for_entry(&blame_entry);
7102 let repository = blame.repository(cx)?;
7103 renderer.render_blame_entry(
7104 &style.text,
7105 blame_entry,
7106 details,
7107 repository,
7108 workspace.downgrade(),
7109 editor,
7110 ix,
7111 sha_color.cursor,
7112 cx,
7113 )
7114}
7115
7116#[derive(Debug)]
7117pub(crate) struct LineWithInvisibles {
7118 fragments: SmallVec<[LineFragment; 1]>,
7119 invisibles: Vec<Invisible>,
7120 len: usize,
7121 pub(crate) width: Pixels,
7122 font_size: Pixels,
7123}
7124
7125enum LineFragment {
7126 Text(ShapedLine),
7127 Element {
7128 id: ChunkRendererId,
7129 element: Option<AnyElement>,
7130 size: Size<Pixels>,
7131 len: usize,
7132 },
7133}
7134
7135impl fmt::Debug for LineFragment {
7136 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7137 match self {
7138 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7139 LineFragment::Element { size, len, .. } => f
7140 .debug_struct("Element")
7141 .field("size", size)
7142 .field("len", len)
7143 .finish(),
7144 }
7145 }
7146}
7147
7148impl LineWithInvisibles {
7149 fn from_chunks<'a>(
7150 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7151 editor_style: &EditorStyle,
7152 max_line_len: usize,
7153 max_line_count: usize,
7154 editor_mode: &EditorMode,
7155 text_width: Pixels,
7156 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7157 window: &mut Window,
7158 cx: &mut App,
7159 ) -> Vec<Self> {
7160 let text_style = &editor_style.text;
7161 let mut layouts = Vec::with_capacity(max_line_count);
7162 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7163 let mut line = String::new();
7164 let mut invisibles = Vec::new();
7165 let mut width = Pixels::ZERO;
7166 let mut len = 0;
7167 let mut styles = Vec::new();
7168 let mut non_whitespace_added = false;
7169 let mut row = 0;
7170 let mut line_exceeded_max_len = false;
7171 let font_size = text_style.font_size.to_pixels(window.rem_size());
7172
7173 let ellipsis = SharedString::from("⋯");
7174
7175 for highlighted_chunk in chunks.chain([HighlightedChunk {
7176 text: "\n",
7177 style: None,
7178 is_tab: false,
7179 is_inlay: false,
7180 replacement: None,
7181 }]) {
7182 if let Some(replacement) = highlighted_chunk.replacement {
7183 if !line.is_empty() {
7184 let shaped_line =
7185 window
7186 .text_system()
7187 .shape_line(line.clone().into(), font_size, &styles);
7188 width += shaped_line.width;
7189 len += shaped_line.len;
7190 fragments.push(LineFragment::Text(shaped_line));
7191 line.clear();
7192 styles.clear();
7193 }
7194
7195 match replacement {
7196 ChunkReplacement::Renderer(renderer) => {
7197 let available_width = if renderer.constrain_width {
7198 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7199 ellipsis.clone()
7200 } else {
7201 SharedString::from(Arc::from(highlighted_chunk.text))
7202 };
7203 let shaped_line = window.text_system().shape_line(
7204 chunk,
7205 font_size,
7206 &[text_style.to_run(highlighted_chunk.text.len())],
7207 );
7208 AvailableSpace::Definite(shaped_line.width)
7209 } else {
7210 AvailableSpace::MinContent
7211 };
7212
7213 let mut element = (renderer.render)(&mut ChunkRendererContext {
7214 context: cx,
7215 window,
7216 max_width: text_width,
7217 });
7218 let line_height = text_style.line_height_in_pixels(window.rem_size());
7219 let size = element.layout_as_root(
7220 size(available_width, AvailableSpace::Definite(line_height)),
7221 window,
7222 cx,
7223 );
7224
7225 width += size.width;
7226 len += highlighted_chunk.text.len();
7227 fragments.push(LineFragment::Element {
7228 id: renderer.id,
7229 element: Some(element),
7230 size,
7231 len: highlighted_chunk.text.len(),
7232 });
7233 }
7234 ChunkReplacement::Str(x) => {
7235 let text_style = if let Some(style) = highlighted_chunk.style {
7236 Cow::Owned(text_style.clone().highlight(style))
7237 } else {
7238 Cow::Borrowed(text_style)
7239 };
7240
7241 let run = TextRun {
7242 len: x.len(),
7243 font: text_style.font(),
7244 color: text_style.color,
7245 background_color: text_style.background_color,
7246 underline: text_style.underline,
7247 strikethrough: text_style.strikethrough,
7248 };
7249 let line_layout = window
7250 .text_system()
7251 .shape_line(x, font_size, &[run])
7252 .with_len(highlighted_chunk.text.len());
7253
7254 width += line_layout.width;
7255 len += highlighted_chunk.text.len();
7256 fragments.push(LineFragment::Text(line_layout))
7257 }
7258 }
7259 } else {
7260 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7261 if ix > 0 {
7262 let shaped_line = window.text_system().shape_line(
7263 line.clone().into(),
7264 font_size,
7265 &styles,
7266 );
7267 width += shaped_line.width;
7268 len += shaped_line.len;
7269 fragments.push(LineFragment::Text(shaped_line));
7270 layouts.push(Self {
7271 width: mem::take(&mut width),
7272 len: mem::take(&mut len),
7273 fragments: mem::take(&mut fragments),
7274 invisibles: std::mem::take(&mut invisibles),
7275 font_size,
7276 });
7277
7278 line.clear();
7279 styles.clear();
7280 row += 1;
7281 line_exceeded_max_len = false;
7282 non_whitespace_added = false;
7283 if row == max_line_count {
7284 return layouts;
7285 }
7286 }
7287
7288 if !line_chunk.is_empty() && !line_exceeded_max_len {
7289 let text_style = if let Some(style) = highlighted_chunk.style {
7290 Cow::Owned(text_style.clone().highlight(style))
7291 } else {
7292 Cow::Borrowed(text_style)
7293 };
7294
7295 if line.len() + line_chunk.len() > max_line_len {
7296 let mut chunk_len = max_line_len - line.len();
7297 while !line_chunk.is_char_boundary(chunk_len) {
7298 chunk_len -= 1;
7299 }
7300 line_chunk = &line_chunk[..chunk_len];
7301 line_exceeded_max_len = true;
7302 }
7303
7304 styles.push(TextRun {
7305 len: line_chunk.len(),
7306 font: text_style.font(),
7307 color: text_style.color,
7308 background_color: text_style.background_color,
7309 underline: text_style.underline,
7310 strikethrough: text_style.strikethrough,
7311 });
7312
7313 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7314 // Line wrap pads its contents with fake whitespaces,
7315 // avoid printing them
7316 let is_soft_wrapped = is_row_soft_wrapped(row);
7317 if highlighted_chunk.is_tab {
7318 if non_whitespace_added || !is_soft_wrapped {
7319 invisibles.push(Invisible::Tab {
7320 line_start_offset: line.len(),
7321 line_end_offset: line.len() + line_chunk.len(),
7322 });
7323 }
7324 } else {
7325 invisibles.extend(line_chunk.char_indices().filter_map(
7326 |(index, c)| {
7327 let is_whitespace = c.is_whitespace();
7328 non_whitespace_added |= !is_whitespace;
7329 if is_whitespace
7330 && (non_whitespace_added || !is_soft_wrapped)
7331 {
7332 Some(Invisible::Whitespace {
7333 line_offset: line.len() + index,
7334 })
7335 } else {
7336 None
7337 }
7338 },
7339 ))
7340 }
7341 }
7342
7343 line.push_str(line_chunk);
7344 }
7345 }
7346 }
7347 }
7348
7349 layouts
7350 }
7351
7352 fn prepaint(
7353 &mut self,
7354 line_height: Pixels,
7355 scroll_pixel_position: gpui::Point<Pixels>,
7356 row: DisplayRow,
7357 content_origin: gpui::Point<Pixels>,
7358 line_elements: &mut SmallVec<[AnyElement; 1]>,
7359 window: &mut Window,
7360 cx: &mut App,
7361 ) {
7362 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7363 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7364 for fragment in &mut self.fragments {
7365 match fragment {
7366 LineFragment::Text(line) => {
7367 fragment_origin.x += line.width;
7368 }
7369 LineFragment::Element { element, size, .. } => {
7370 let mut element = element
7371 .take()
7372 .expect("you can't prepaint LineWithInvisibles twice");
7373
7374 // Center the element vertically within the line.
7375 let mut element_origin = fragment_origin;
7376 element_origin.y += (line_height - size.height) / 2.;
7377 element.prepaint_at(element_origin, window, cx);
7378 line_elements.push(element);
7379
7380 fragment_origin.x += size.width;
7381 }
7382 }
7383 }
7384 }
7385
7386 fn draw(
7387 &self,
7388 layout: &EditorLayout,
7389 row: DisplayRow,
7390 content_origin: gpui::Point<Pixels>,
7391 whitespace_setting: ShowWhitespaceSetting,
7392 selection_ranges: &[Range<DisplayPoint>],
7393 window: &mut Window,
7394 cx: &mut App,
7395 ) {
7396 let line_height = layout.position_map.line_height;
7397 let line_y = line_height
7398 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7399
7400 let mut fragment_origin =
7401 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7402
7403 for fragment in &self.fragments {
7404 match fragment {
7405 LineFragment::Text(line) => {
7406 line.paint(fragment_origin, line_height, window, cx)
7407 .log_err();
7408 fragment_origin.x += line.width;
7409 }
7410 LineFragment::Element { size, .. } => {
7411 fragment_origin.x += size.width;
7412 }
7413 }
7414 }
7415
7416 self.draw_invisibles(
7417 selection_ranges,
7418 layout,
7419 content_origin,
7420 line_y,
7421 row,
7422 line_height,
7423 whitespace_setting,
7424 window,
7425 cx,
7426 );
7427 }
7428
7429 fn draw_background(
7430 &self,
7431 layout: &EditorLayout,
7432 row: DisplayRow,
7433 content_origin: gpui::Point<Pixels>,
7434 window: &mut Window,
7435 cx: &mut App,
7436 ) {
7437 let line_height = layout.position_map.line_height;
7438 let line_y = line_height
7439 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7440
7441 let mut fragment_origin =
7442 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7443
7444 for fragment in &self.fragments {
7445 match fragment {
7446 LineFragment::Text(line) => {
7447 line.paint_background(fragment_origin, line_height, window, cx)
7448 .log_err();
7449 fragment_origin.x += line.width;
7450 }
7451 LineFragment::Element { size, .. } => {
7452 fragment_origin.x += size.width;
7453 }
7454 }
7455 }
7456 }
7457
7458 fn draw_invisibles(
7459 &self,
7460 selection_ranges: &[Range<DisplayPoint>],
7461 layout: &EditorLayout,
7462 content_origin: gpui::Point<Pixels>,
7463 line_y: Pixels,
7464 row: DisplayRow,
7465 line_height: Pixels,
7466 whitespace_setting: ShowWhitespaceSetting,
7467 window: &mut Window,
7468 cx: &mut App,
7469 ) {
7470 let extract_whitespace_info = |invisible: &Invisible| {
7471 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7472 Invisible::Tab {
7473 line_start_offset,
7474 line_end_offset,
7475 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7476 Invisible::Whitespace { line_offset } => {
7477 (*line_offset, line_offset + 1, &layout.space_invisible)
7478 }
7479 };
7480
7481 let x_offset = self.x_for_index(token_offset);
7482 let invisible_offset =
7483 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7484 let origin = content_origin
7485 + gpui::point(
7486 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7487 line_y,
7488 );
7489
7490 (
7491 [token_offset, token_end_offset],
7492 Box::new(move |window: &mut Window, cx: &mut App| {
7493 invisible_symbol
7494 .paint(origin, line_height, window, cx)
7495 .log_err();
7496 }),
7497 )
7498 };
7499
7500 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7501 match whitespace_setting {
7502 ShowWhitespaceSetting::None => (),
7503 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7504 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7505 let invisible_point = DisplayPoint::new(row, start as u32);
7506 if !selection_ranges
7507 .iter()
7508 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7509 {
7510 return;
7511 }
7512
7513 paint(window, cx);
7514 }),
7515
7516 ShowWhitespaceSetting::Trailing => {
7517 let mut previous_start = self.len;
7518 for ([start, end], paint) in invisible_iter.rev() {
7519 if previous_start != end {
7520 break;
7521 }
7522 previous_start = start;
7523 paint(window, cx);
7524 }
7525 }
7526
7527 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7528 // - It is a tab
7529 // - It is adjacent to an edge (start or end)
7530 // - It is adjacent to a whitespace (left or right)
7531 ShowWhitespaceSetting::Boundary => {
7532 // 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
7533 // the above cases.
7534 // Note: We zip in the original `invisibles` to check for tab equality
7535 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7536 for (([start, end], paint), invisible) in
7537 invisible_iter.zip_eq(self.invisibles.iter())
7538 {
7539 let should_render = match (&last_seen, invisible) {
7540 (_, Invisible::Tab { .. }) => true,
7541 (Some((_, last_end, _)), _) => *last_end == start,
7542 _ => false,
7543 };
7544
7545 if should_render || start == 0 || end == self.len {
7546 paint(window, cx);
7547
7548 // Since we are scanning from the left, we will skip over the first available whitespace that is part
7549 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
7550 if let Some((should_render_last, last_end, paint_last)) = last_seen {
7551 // Note that we need to make sure that the last one is actually adjacent
7552 if !should_render_last && last_end == start {
7553 paint_last(window, cx);
7554 }
7555 }
7556 }
7557
7558 // Manually render anything within a selection
7559 let invisible_point = DisplayPoint::new(row, start as u32);
7560 if selection_ranges.iter().any(|region| {
7561 region.start <= invisible_point && invisible_point < region.end
7562 }) {
7563 paint(window, cx);
7564 }
7565
7566 last_seen = Some((should_render, end, paint));
7567 }
7568 }
7569 }
7570 }
7571
7572 pub fn x_for_index(&self, index: usize) -> Pixels {
7573 let mut fragment_start_x = Pixels::ZERO;
7574 let mut fragment_start_index = 0;
7575
7576 for fragment in &self.fragments {
7577 match fragment {
7578 LineFragment::Text(shaped_line) => {
7579 let fragment_end_index = fragment_start_index + shaped_line.len;
7580 if index < fragment_end_index {
7581 return fragment_start_x
7582 + shaped_line.x_for_index(index - fragment_start_index);
7583 }
7584 fragment_start_x += shaped_line.width;
7585 fragment_start_index = fragment_end_index;
7586 }
7587 LineFragment::Element { len, size, .. } => {
7588 let fragment_end_index = fragment_start_index + len;
7589 if index < fragment_end_index {
7590 return fragment_start_x;
7591 }
7592 fragment_start_x += size.width;
7593 fragment_start_index = fragment_end_index;
7594 }
7595 }
7596 }
7597
7598 fragment_start_x
7599 }
7600
7601 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
7602 let mut fragment_start_x = Pixels::ZERO;
7603 let mut fragment_start_index = 0;
7604
7605 for fragment in &self.fragments {
7606 match fragment {
7607 LineFragment::Text(shaped_line) => {
7608 let fragment_end_x = fragment_start_x + shaped_line.width;
7609 if x < fragment_end_x {
7610 return Some(
7611 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
7612 );
7613 }
7614 fragment_start_x = fragment_end_x;
7615 fragment_start_index += shaped_line.len;
7616 }
7617 LineFragment::Element { len, size, .. } => {
7618 let fragment_end_x = fragment_start_x + size.width;
7619 if x < fragment_end_x {
7620 return Some(fragment_start_index);
7621 }
7622 fragment_start_index += len;
7623 fragment_start_x = fragment_end_x;
7624 }
7625 }
7626 }
7627
7628 None
7629 }
7630
7631 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
7632 let mut fragment_start_index = 0;
7633
7634 for fragment in &self.fragments {
7635 match fragment {
7636 LineFragment::Text(shaped_line) => {
7637 let fragment_end_index = fragment_start_index + shaped_line.len;
7638 if index < fragment_end_index {
7639 return shaped_line.font_id_for_index(index - fragment_start_index);
7640 }
7641 fragment_start_index = fragment_end_index;
7642 }
7643 LineFragment::Element { len, .. } => {
7644 let fragment_end_index = fragment_start_index + len;
7645 if index < fragment_end_index {
7646 return None;
7647 }
7648 fragment_start_index = fragment_end_index;
7649 }
7650 }
7651 }
7652
7653 None
7654 }
7655}
7656
7657#[derive(Debug, Clone, Copy, PartialEq, Eq)]
7658enum Invisible {
7659 /// A tab character
7660 ///
7661 /// A tab character is internally represented by spaces (configured by the user's tab width)
7662 /// aligned to the nearest column, so it's necessary to store the start and end offset for
7663 /// adjacency checks.
7664 Tab {
7665 line_start_offset: usize,
7666 line_end_offset: usize,
7667 },
7668 Whitespace {
7669 line_offset: usize,
7670 },
7671}
7672
7673impl EditorElement {
7674 /// Returns the rem size to use when rendering the [`EditorElement`].
7675 ///
7676 /// This allows UI elements to scale based on the `buffer_font_size`.
7677 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
7678 match self.editor.read(cx).mode {
7679 EditorMode::Full {
7680 scale_ui_elements_with_buffer_font_size: true,
7681 ..
7682 }
7683 | EditorMode::Minimap { .. } => {
7684 let buffer_font_size = self.style.text.font_size;
7685 match buffer_font_size {
7686 AbsoluteLength::Pixels(pixels) => {
7687 let rem_size_scale = {
7688 // Our default UI font size is 14px on a 16px base scale.
7689 // This means the default UI font size is 0.875rems.
7690 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
7691
7692 // We then determine the delta between a single rem and the default font
7693 // size scale.
7694 let default_font_size_delta = 1. - default_font_size_scale;
7695
7696 // Finally, we add this delta to 1rem to get the scale factor that
7697 // should be used to scale up the UI.
7698 1. + default_font_size_delta
7699 };
7700
7701 Some(pixels * rem_size_scale)
7702 }
7703 AbsoluteLength::Rems(rems) => {
7704 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
7705 }
7706 }
7707 }
7708 // We currently use single-line and auto-height editors in UI contexts,
7709 // so we don't want to scale everything with the buffer font size, as it
7710 // ends up looking off.
7711 _ => None,
7712 }
7713 }
7714
7715 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
7716 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
7717 parent.upgrade()
7718 } else {
7719 Some(self.editor.clone())
7720 }
7721 }
7722}
7723
7724impl Element for EditorElement {
7725 type RequestLayoutState = ();
7726 type PrepaintState = EditorLayout;
7727
7728 fn id(&self) -> Option<ElementId> {
7729 None
7730 }
7731
7732 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
7733 None
7734 }
7735
7736 fn request_layout(
7737 &mut self,
7738 _: Option<&GlobalElementId>,
7739 _inspector_id: Option<&gpui::InspectorElementId>,
7740 window: &mut Window,
7741 cx: &mut App,
7742 ) -> (gpui::LayoutId, ()) {
7743 let rem_size = self.rem_size(cx);
7744 window.with_rem_size(rem_size, |window| {
7745 self.editor.update(cx, |editor, cx| {
7746 editor.set_style(self.style.clone(), window, cx);
7747
7748 let layout_id = match editor.mode {
7749 EditorMode::SingleLine { auto_width } => {
7750 let rem_size = window.rem_size();
7751
7752 let height = self.style.text.line_height_in_pixels(rem_size);
7753 if auto_width {
7754 let editor_handle = cx.entity().clone();
7755 let style = self.style.clone();
7756 window.request_measured_layout(
7757 Style::default(),
7758 move |_, _, window, cx| {
7759 let editor_snapshot = editor_handle
7760 .update(cx, |editor, cx| editor.snapshot(window, cx));
7761 let line = Self::layout_lines(
7762 DisplayRow(0)..DisplayRow(1),
7763 &editor_snapshot,
7764 &style,
7765 px(f32::MAX),
7766 |_| false, // Single lines never soft wrap
7767 window,
7768 cx,
7769 )
7770 .pop()
7771 .unwrap();
7772
7773 let font_id =
7774 window.text_system().resolve_font(&style.text.font());
7775 let font_size =
7776 style.text.font_size.to_pixels(window.rem_size());
7777 let em_width =
7778 window.text_system().em_width(font_id, font_size).unwrap();
7779
7780 size(line.width + em_width, height)
7781 },
7782 )
7783 } else {
7784 let mut style = Style::default();
7785 style.size.height = height.into();
7786 style.size.width = relative(1.).into();
7787 window.request_layout(style, None, cx)
7788 }
7789 }
7790 EditorMode::AutoHeight {
7791 min_lines,
7792 max_lines,
7793 } => {
7794 let editor_handle = cx.entity().clone();
7795 let max_line_number_width =
7796 self.max_line_number_width(&editor.snapshot(window, cx), window, cx);
7797 window.request_measured_layout(
7798 Style::default(),
7799 move |known_dimensions, available_space, window, cx| {
7800 editor_handle
7801 .update(cx, |editor, cx| {
7802 compute_auto_height_layout(
7803 editor,
7804 min_lines,
7805 max_lines,
7806 max_line_number_width,
7807 known_dimensions,
7808 available_space.width,
7809 window,
7810 cx,
7811 )
7812 })
7813 .unwrap_or_default()
7814 },
7815 )
7816 }
7817 EditorMode::Minimap { .. } => {
7818 let mut style = Style::default();
7819 style.size.width = relative(1.).into();
7820 style.size.height = relative(1.).into();
7821 window.request_layout(style, None, cx)
7822 }
7823 EditorMode::Full {
7824 sized_by_content, ..
7825 } => {
7826 let mut style = Style::default();
7827 style.size.width = relative(1.).into();
7828 if sized_by_content {
7829 let snapshot = editor.snapshot(window, cx);
7830 let line_height =
7831 self.style.text.line_height_in_pixels(window.rem_size());
7832 let scroll_height =
7833 (snapshot.max_point().row().next_row().0 as f32) * line_height;
7834 style.size.height = scroll_height.into();
7835 } else {
7836 style.size.height = relative(1.).into();
7837 }
7838 window.request_layout(style, None, cx)
7839 }
7840 };
7841
7842 (layout_id, ())
7843 })
7844 })
7845 }
7846
7847 fn prepaint(
7848 &mut self,
7849 _: Option<&GlobalElementId>,
7850 _inspector_id: Option<&gpui::InspectorElementId>,
7851 bounds: Bounds<Pixels>,
7852 _: &mut Self::RequestLayoutState,
7853 window: &mut Window,
7854 cx: &mut App,
7855 ) -> Self::PrepaintState {
7856 let text_style = TextStyleRefinement {
7857 font_size: Some(self.style.text.font_size),
7858 line_height: Some(self.style.text.line_height),
7859 ..Default::default()
7860 };
7861 let focus_handle = self.editor.focus_handle(cx);
7862 window.set_view_id(self.editor.entity_id());
7863 window.set_focus_handle(&focus_handle, cx);
7864
7865 let rem_size = self.rem_size(cx);
7866 window.with_rem_size(rem_size, |window| {
7867 window.with_text_style(Some(text_style), |window| {
7868 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7869 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
7870 (editor.snapshot(window, cx), editor.read_only(cx))
7871 });
7872 let style = self.style.clone();
7873
7874 let rem_size = window.rem_size();
7875 let font_id = window.text_system().resolve_font(&style.text.font());
7876 let font_size = style.text.font_size.to_pixels(rem_size);
7877 let line_height = style.text.line_height_in_pixels(rem_size);
7878 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
7879 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
7880 let glyph_grid_cell = size(em_advance, line_height);
7881
7882 let gutter_dimensions = snapshot
7883 .gutter_dimensions(
7884 font_id,
7885 font_size,
7886 self.max_line_number_width(&snapshot, window, cx),
7887 cx,
7888 )
7889 .or_else(|| {
7890 self.editor.read(cx).offset_content.then(|| {
7891 GutterDimensions::default_with_margin(font_id, font_size, cx)
7892 })
7893 })
7894 .unwrap_or_default();
7895 let text_width = bounds.size.width - gutter_dimensions.width;
7896
7897 let settings = EditorSettings::get_global(cx);
7898 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
7899 let vertical_scrollbar_width = (scrollbars_shown
7900 && settings.scrollbar.axes.vertical
7901 && self.editor.read(cx).show_scrollbars.vertical)
7902 .then_some(style.scrollbar_width)
7903 .unwrap_or_default();
7904 let minimap_width = self
7905 .get_minimap_width(
7906 &settings.minimap,
7907 scrollbars_shown,
7908 text_width,
7909 em_width,
7910 font_size,
7911 rem_size,
7912 cx,
7913 )
7914 .unwrap_or_default();
7915
7916 let right_margin = minimap_width + vertical_scrollbar_width;
7917
7918 let editor_width =
7919 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
7920 let editor_margins = EditorMargins {
7921 gutter: gutter_dimensions,
7922 right: right_margin,
7923 };
7924
7925 // Offset the content_bounds from the text_bounds by the gutter margin (which
7926 // is roughly half a character wide) to make hit testing work more like how we want.
7927 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
7928
7929 let editor_content_width = editor_width - content_offset.x;
7930
7931 snapshot = self.editor.update(cx, |editor, cx| {
7932 editor.last_bounds = Some(bounds);
7933 editor.gutter_dimensions = gutter_dimensions;
7934 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
7935
7936 if matches!(
7937 editor.mode,
7938 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
7939 ) {
7940 snapshot
7941 } else {
7942 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
7943 let wrap_width = match editor.soft_wrap_mode(cx) {
7944 SoftWrap::GitDiff => None,
7945 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
7946 SoftWrap::EditorWidth => Some(editor_content_width),
7947 SoftWrap::Column(column) => Some(wrap_width_for(column)),
7948 SoftWrap::Bounded(column) => {
7949 Some(editor_content_width.min(wrap_width_for(column)))
7950 }
7951 };
7952
7953 if editor.set_wrap_width(wrap_width, cx) {
7954 editor.snapshot(window, cx)
7955 } else {
7956 snapshot
7957 }
7958 }
7959 });
7960
7961 let wrap_guides = self
7962 .editor
7963 .read(cx)
7964 .wrap_guides(cx)
7965 .iter()
7966 .map(|(guide, active)| (self.column_pixels(*guide, window, cx), *active))
7967 .collect::<SmallVec<[_; 2]>>();
7968
7969 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
7970 let gutter_hitbox = window.insert_hitbox(
7971 gutter_bounds(bounds, gutter_dimensions),
7972 HitboxBehavior::Normal,
7973 );
7974 let text_hitbox = window.insert_hitbox(
7975 Bounds {
7976 origin: gutter_hitbox.top_right(),
7977 size: size(text_width, bounds.size.height),
7978 },
7979 HitboxBehavior::Normal,
7980 );
7981
7982 let content_origin = text_hitbox.origin + content_offset;
7983
7984 let editor_text_bounds =
7985 Bounds::from_corners(content_origin, bounds.bottom_right());
7986
7987 let height_in_lines = editor_text_bounds.size.height / line_height;
7988
7989 let max_row = snapshot.max_point().row().as_f32();
7990
7991 // The max scroll position for the top of the window
7992 let max_scroll_top = if matches!(
7993 snapshot.mode,
7994 EditorMode::SingleLine { .. }
7995 | EditorMode::AutoHeight { .. }
7996 | EditorMode::Full {
7997 sized_by_content: true,
7998 ..
7999 }
8000 ) {
8001 (max_row - height_in_lines + 1.).max(0.)
8002 } else {
8003 let settings = EditorSettings::get_global(cx);
8004 match settings.scroll_beyond_last_line {
8005 ScrollBeyondLastLine::OnePage => max_row,
8006 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8007 ScrollBeyondLastLine::VerticalScrollMargin => {
8008 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8009 .max(0.)
8010 }
8011 }
8012 };
8013
8014 // TODO: Autoscrolling for both axes
8015 let mut autoscroll_request = None;
8016 let mut autoscroll_containing_element = false;
8017 let mut autoscroll_horizontally = false;
8018 self.editor.update(cx, |editor, cx| {
8019 autoscroll_request = editor.autoscroll_request();
8020 autoscroll_containing_element =
8021 autoscroll_request.is_some() || editor.has_pending_selection();
8022 // TODO: Is this horizontal or vertical?!
8023 autoscroll_horizontally = editor.autoscroll_vertically(
8024 bounds,
8025 line_height,
8026 max_scroll_top,
8027 window,
8028 cx,
8029 );
8030 snapshot = editor.snapshot(window, cx);
8031 });
8032
8033 let mut scroll_position = snapshot.scroll_position();
8034 // The scroll position is a fractional point, the whole number of which represents
8035 // the top of the window in terms of display rows.
8036 let start_row = DisplayRow(scroll_position.y as u32);
8037 let max_row = snapshot.max_point().row();
8038 let end_row = cmp::min(
8039 (scroll_position.y + height_in_lines).ceil() as u32,
8040 max_row.next_row().0,
8041 );
8042 let end_row = DisplayRow(end_row);
8043
8044 let row_infos = snapshot
8045 .row_infos(start_row)
8046 .take((start_row..end_row).len())
8047 .collect::<Vec<RowInfo>>();
8048 let is_row_soft_wrapped = |row: usize| {
8049 row_infos
8050 .get(row)
8051 .map_or(true, |info| info.buffer_row.is_none())
8052 };
8053
8054 let start_anchor = if start_row == Default::default() {
8055 Anchor::min()
8056 } else {
8057 snapshot.buffer_snapshot.anchor_before(
8058 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8059 )
8060 };
8061 let end_anchor = if end_row > max_row {
8062 Anchor::max()
8063 } else {
8064 snapshot.buffer_snapshot.anchor_before(
8065 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8066 )
8067 };
8068
8069 let mut highlighted_rows = self
8070 .editor
8071 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8072
8073 let is_light = cx.theme().appearance().is_light();
8074
8075 for (ix, row_info) in row_infos.iter().enumerate() {
8076 let Some(diff_status) = row_info.diff_status else {
8077 continue;
8078 };
8079
8080 let background_color = match diff_status.kind {
8081 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8082 DiffHunkStatusKind::Deleted => {
8083 cx.theme().colors().version_control_deleted
8084 }
8085 DiffHunkStatusKind::Modified => {
8086 debug_panic!("modified diff status for row info");
8087 continue;
8088 }
8089 };
8090
8091 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8092
8093 let hollow_highlight = LineHighlight {
8094 background: (background_color.opacity(if is_light {
8095 0.08
8096 } else {
8097 0.06
8098 }))
8099 .into(),
8100 border: Some(if is_light {
8101 background_color.opacity(0.48)
8102 } else {
8103 background_color.opacity(0.36)
8104 }),
8105 include_gutter: true,
8106 type_id: None,
8107 };
8108
8109 let filled_highlight = LineHighlight {
8110 background: solid_background(background_color.opacity(hunk_opacity)),
8111 border: None,
8112 include_gutter: true,
8113 type_id: None,
8114 };
8115
8116 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8117 hollow_highlight
8118 } else {
8119 filled_highlight
8120 };
8121
8122 highlighted_rows
8123 .entry(start_row + DisplayRow(ix as u32))
8124 .or_insert(background);
8125 }
8126
8127 let highlighted_ranges = self
8128 .editor_with_selections(cx)
8129 .map(|editor| {
8130 editor.read(cx).background_highlights_in_range(
8131 start_anchor..end_anchor,
8132 &snapshot.display_snapshot,
8133 cx.theme(),
8134 )
8135 })
8136 .unwrap_or_default();
8137 let highlighted_gutter_ranges =
8138 self.editor.read(cx).gutter_highlights_in_range(
8139 start_anchor..end_anchor,
8140 &snapshot.display_snapshot,
8141 cx,
8142 );
8143
8144 let document_colors = self
8145 .editor
8146 .read(cx)
8147 .colors
8148 .as_ref()
8149 .map(|colors| colors.editor_display_highlights(&snapshot));
8150 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8151 start_anchor..end_anchor,
8152 &snapshot.display_snapshot,
8153 cx,
8154 );
8155
8156 let (local_selections, selected_buffer_ids): (
8157 Vec<Selection<Point>>,
8158 Vec<BufferId>,
8159 ) = self
8160 .editor_with_selections(cx)
8161 .map(|editor| {
8162 editor.update(cx, |editor, cx| {
8163 let all_selections = editor.selections.all::<Point>(cx);
8164 let selected_buffer_ids = if editor.is_singleton(cx) {
8165 Vec::new()
8166 } else {
8167 let mut selected_buffer_ids =
8168 Vec::with_capacity(all_selections.len());
8169
8170 for selection in all_selections {
8171 for buffer_id in snapshot
8172 .buffer_snapshot
8173 .buffer_ids_for_range(selection.range())
8174 {
8175 if selected_buffer_ids.last() != Some(&buffer_id) {
8176 selected_buffer_ids.push(buffer_id);
8177 }
8178 }
8179 }
8180
8181 selected_buffer_ids
8182 };
8183
8184 let mut selections = editor
8185 .selections
8186 .disjoint_in_range(start_anchor..end_anchor, cx);
8187 selections.extend(editor.selections.pending(cx));
8188
8189 (selections, selected_buffer_ids)
8190 })
8191 })
8192 .unwrap_or_default();
8193
8194 let (selections, mut active_rows, newest_selection_head) = self
8195 .layout_selections(
8196 start_anchor,
8197 end_anchor,
8198 &local_selections,
8199 &snapshot,
8200 start_row,
8201 end_row,
8202 window,
8203 cx,
8204 );
8205 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8206 editor.active_breakpoints(start_row..end_row, window, cx)
8207 });
8208 for (display_row, (_, bp, state)) in &breakpoint_rows {
8209 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8210 active_rows.entry(*display_row).or_default().breakpoint = true;
8211 }
8212 }
8213
8214 let line_numbers = self.layout_line_numbers(
8215 Some(&gutter_hitbox),
8216 gutter_dimensions,
8217 line_height,
8218 scroll_position,
8219 start_row..end_row,
8220 &row_infos,
8221 &active_rows,
8222 newest_selection_head,
8223 &snapshot,
8224 window,
8225 cx,
8226 );
8227
8228 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8229 // line numbers so we don't paint a line number debug accent color if a user
8230 // has their mouse over that line when a breakpoint isn't there
8231 self.editor.update(cx, |editor, _| {
8232 if let Some(phantom_breakpoint) = &mut editor
8233 .gutter_breakpoint_indicator
8234 .0
8235 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8236 {
8237 // Is there a non-phantom breakpoint on this line?
8238 phantom_breakpoint.collides_with_existing_breakpoint = true;
8239 breakpoint_rows
8240 .entry(phantom_breakpoint.display_row)
8241 .or_insert_with(|| {
8242 let position = snapshot.display_point_to_anchor(
8243 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8244 Bias::Right,
8245 );
8246 let breakpoint = Breakpoint::new_standard();
8247 phantom_breakpoint.collides_with_existing_breakpoint = false;
8248 (position, breakpoint, None)
8249 });
8250 }
8251 });
8252
8253 let mut expand_toggles =
8254 window.with_element_namespace("expand_toggles", |window| {
8255 self.layout_expand_toggles(
8256 &gutter_hitbox,
8257 gutter_dimensions,
8258 em_width,
8259 line_height,
8260 scroll_position,
8261 &row_infos,
8262 window,
8263 cx,
8264 )
8265 });
8266
8267 let mut crease_toggles =
8268 window.with_element_namespace("crease_toggles", |window| {
8269 self.layout_crease_toggles(
8270 start_row..end_row,
8271 &row_infos,
8272 &active_rows,
8273 &snapshot,
8274 window,
8275 cx,
8276 )
8277 });
8278 let crease_trailers =
8279 window.with_element_namespace("crease_trailers", |window| {
8280 self.layout_crease_trailers(
8281 row_infos.iter().copied(),
8282 &snapshot,
8283 window,
8284 cx,
8285 )
8286 });
8287
8288 let display_hunks = self.layout_gutter_diff_hunks(
8289 line_height,
8290 &gutter_hitbox,
8291 start_row..end_row,
8292 &snapshot,
8293 window,
8294 cx,
8295 );
8296
8297 let mut line_layouts = Self::layout_lines(
8298 start_row..end_row,
8299 &snapshot,
8300 &self.style,
8301 editor_width,
8302 is_row_soft_wrapped,
8303 window,
8304 cx,
8305 );
8306 let new_renrerer_widths = line_layouts
8307 .iter()
8308 .flat_map(|layout| &layout.fragments)
8309 .filter_map(|fragment| {
8310 if let LineFragment::Element { id, size, .. } = fragment {
8311 Some((*id, size.width))
8312 } else {
8313 None
8314 }
8315 });
8316 if self.editor.update(cx, |editor, cx| {
8317 editor.update_renderer_widths(new_renrerer_widths, cx)
8318 }) {
8319 // If the fold widths have changed, we need to prepaint
8320 // the element again to account for any changes in
8321 // wrapping.
8322 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8323 }
8324
8325 let longest_line_blame_width = self
8326 .editor
8327 .update(cx, |editor, cx| {
8328 if !editor.show_git_blame_inline {
8329 return None;
8330 }
8331 let blame = editor.blame.as_ref()?;
8332 let blame_entry = blame
8333 .update(cx, |blame, cx| {
8334 let row_infos =
8335 snapshot.row_infos(snapshot.longest_row()).next()?;
8336 blame.blame_for_rows(&[row_infos], cx).next()
8337 })
8338 .flatten()?;
8339 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8340 let inline_blame_padding = INLINE_BLAME_PADDING_EM_WIDTHS * em_advance;
8341 Some(
8342 element
8343 .layout_as_root(AvailableSpace::min_size(), window, cx)
8344 .width
8345 + inline_blame_padding,
8346 )
8347 })
8348 .unwrap_or(Pixels::ZERO);
8349
8350 let longest_line_width = layout_line(
8351 snapshot.longest_row(),
8352 &snapshot,
8353 &style,
8354 editor_width,
8355 is_row_soft_wrapped,
8356 window,
8357 cx,
8358 )
8359 .width;
8360
8361 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8362 text_hitbox.bounds,
8363 glyph_grid_cell,
8364 size(longest_line_width, max_row.as_f32() * line_height),
8365 longest_line_blame_width,
8366 editor_width,
8367 EditorSettings::get_global(cx),
8368 );
8369
8370 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8371
8372 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8373 snapshot.sticky_header_excerpt(scroll_position.y)
8374 } else {
8375 None
8376 };
8377 let sticky_header_excerpt_id =
8378 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8379
8380 let blocks = window.with_element_namespace("blocks", |window| {
8381 self.render_blocks(
8382 start_row..end_row,
8383 &snapshot,
8384 &hitbox,
8385 &text_hitbox,
8386 editor_width,
8387 &mut scroll_width,
8388 &editor_margins,
8389 em_width,
8390 gutter_dimensions.full_width(),
8391 line_height,
8392 &mut line_layouts,
8393 &local_selections,
8394 &selected_buffer_ids,
8395 is_row_soft_wrapped,
8396 sticky_header_excerpt_id,
8397 window,
8398 cx,
8399 )
8400 });
8401 let (mut blocks, row_block_types) = match blocks {
8402 Ok(blocks) => blocks,
8403 Err(resized_blocks) => {
8404 self.editor.update(cx, |editor, cx| {
8405 editor.resize_blocks(resized_blocks, autoscroll_request, cx)
8406 });
8407 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8408 }
8409 };
8410
8411 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8412 window.with_element_namespace("blocks", |window| {
8413 self.layout_sticky_buffer_header(
8414 sticky_header_excerpt,
8415 scroll_position.y,
8416 line_height,
8417 right_margin,
8418 &snapshot,
8419 &hitbox,
8420 &selected_buffer_ids,
8421 &blocks,
8422 window,
8423 cx,
8424 )
8425 })
8426 });
8427
8428 let start_buffer_row =
8429 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8430 let end_buffer_row =
8431 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8432
8433 let scroll_max = point(
8434 ((scroll_width - editor_content_width) / em_advance).max(0.0),
8435 max_scroll_top,
8436 );
8437
8438 self.editor.update(cx, |editor, cx| {
8439 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8440
8441 let autoscrolled = if autoscroll_horizontally {
8442 editor.autoscroll_horizontally(
8443 start_row,
8444 editor_content_width,
8445 scroll_width,
8446 em_advance,
8447 &line_layouts,
8448 cx,
8449 )
8450 } else {
8451 false
8452 };
8453
8454 if clamped || autoscrolled {
8455 snapshot = editor.snapshot(window, cx);
8456 scroll_position = snapshot.scroll_position();
8457 }
8458 });
8459
8460 let scroll_pixel_position = point(
8461 scroll_position.x * em_advance,
8462 scroll_position.y * line_height,
8463 );
8464 let indent_guides = self.layout_indent_guides(
8465 content_origin,
8466 text_hitbox.origin,
8467 start_buffer_row..end_buffer_row,
8468 scroll_pixel_position,
8469 line_height,
8470 &snapshot,
8471 window,
8472 cx,
8473 );
8474
8475 let crease_trailers =
8476 window.with_element_namespace("crease_trailers", |window| {
8477 self.prepaint_crease_trailers(
8478 crease_trailers,
8479 &line_layouts,
8480 line_height,
8481 content_origin,
8482 scroll_pixel_position,
8483 em_width,
8484 window,
8485 cx,
8486 )
8487 });
8488
8489 let (inline_completion_popover, inline_completion_popover_origin) = self
8490 .editor
8491 .update(cx, |editor, cx| {
8492 editor.render_edit_prediction_popover(
8493 &text_hitbox.bounds,
8494 content_origin,
8495 right_margin,
8496 &snapshot,
8497 start_row..end_row,
8498 scroll_position.y,
8499 scroll_position.y + height_in_lines,
8500 &line_layouts,
8501 line_height,
8502 scroll_pixel_position,
8503 newest_selection_head,
8504 editor_width,
8505 &style,
8506 window,
8507 cx,
8508 )
8509 })
8510 .unzip();
8511
8512 let mut inline_diagnostics = self.layout_inline_diagnostics(
8513 &line_layouts,
8514 &crease_trailers,
8515 &row_block_types,
8516 content_origin,
8517 scroll_pixel_position,
8518 inline_completion_popover_origin,
8519 start_row,
8520 end_row,
8521 line_height,
8522 em_width,
8523 &style,
8524 window,
8525 cx,
8526 );
8527
8528 let mut inline_blame_layout = None;
8529 let mut inline_code_actions = None;
8530 if let Some(newest_selection_head) = newest_selection_head {
8531 let display_row = newest_selection_head.row();
8532 if (start_row..end_row).contains(&display_row)
8533 && !row_block_types.contains_key(&display_row)
8534 {
8535 inline_code_actions = self.layout_inline_code_actions(
8536 newest_selection_head,
8537 content_origin,
8538 scroll_pixel_position,
8539 line_height,
8540 &snapshot,
8541 window,
8542 cx,
8543 );
8544
8545 let line_ix = display_row.minus(start_row) as usize;
8546 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8547 row_infos.get(line_ix),
8548 line_layouts.get(line_ix),
8549 crease_trailers.get(line_ix),
8550 ) {
8551 let crease_trailer_layout = crease_trailer.as_ref();
8552 if let Some(layout) = self.layout_inline_blame(
8553 display_row,
8554 row_info,
8555 line_layout,
8556 crease_trailer_layout,
8557 em_width,
8558 content_origin,
8559 scroll_pixel_position,
8560 line_height,
8561 &text_hitbox,
8562 window,
8563 cx,
8564 ) {
8565 inline_blame_layout = Some(layout);
8566 // Blame overrides inline diagnostics
8567 inline_diagnostics.remove(&display_row);
8568 }
8569 } else {
8570 log::error!(
8571 "bug: line_ix {} is out of bounds - row_infos.len(): {}, line_layouts.len(): {}, crease_trailers.len(): {}",
8572 line_ix,
8573 row_infos.len(),
8574 line_layouts.len(),
8575 crease_trailers.len(),
8576 );
8577 }
8578 }
8579 }
8580
8581 let blamed_display_rows = self.layout_blame_entries(
8582 &row_infos,
8583 em_width,
8584 scroll_position,
8585 line_height,
8586 &gutter_hitbox,
8587 gutter_dimensions.git_blame_entries_width,
8588 window,
8589 cx,
8590 );
8591
8592 self.editor.update(cx, |editor, cx| {
8593 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8594
8595 let autoscrolled = if autoscroll_horizontally {
8596 editor.autoscroll_horizontally(
8597 start_row,
8598 editor_content_width,
8599 scroll_width,
8600 em_width,
8601 &line_layouts,
8602 cx,
8603 )
8604 } else {
8605 false
8606 };
8607
8608 if clamped || autoscrolled {
8609 snapshot = editor.snapshot(window, cx);
8610 scroll_position = snapshot.scroll_position();
8611 }
8612 });
8613
8614 let line_elements = self.prepaint_lines(
8615 start_row,
8616 &mut line_layouts,
8617 line_height,
8618 scroll_pixel_position,
8619 content_origin,
8620 window,
8621 cx,
8622 );
8623
8624 window.with_element_namespace("blocks", |window| {
8625 self.layout_blocks(
8626 &mut blocks,
8627 &hitbox,
8628 line_height,
8629 scroll_pixel_position,
8630 window,
8631 cx,
8632 );
8633 });
8634
8635 let cursors = self.collect_cursors(&snapshot, cx);
8636 let visible_row_range = start_row..end_row;
8637 let non_visible_cursors = cursors
8638 .iter()
8639 .any(|c| !visible_row_range.contains(&c.0.row()));
8640
8641 let visible_cursors = self.layout_visible_cursors(
8642 &snapshot,
8643 &selections,
8644 &row_block_types,
8645 start_row..end_row,
8646 &line_layouts,
8647 &text_hitbox,
8648 content_origin,
8649 scroll_position,
8650 scroll_pixel_position,
8651 line_height,
8652 em_width,
8653 em_advance,
8654 autoscroll_containing_element,
8655 window,
8656 cx,
8657 );
8658
8659 let scrollbars_layout = self.layout_scrollbars(
8660 &snapshot,
8661 &scrollbar_layout_information,
8662 content_offset,
8663 scroll_position,
8664 non_visible_cursors,
8665 right_margin,
8666 editor_width,
8667 window,
8668 cx,
8669 );
8670
8671 let gutter_settings = EditorSettings::get_global(cx).gutter;
8672
8673 let context_menu_layout =
8674 if let Some(newest_selection_head) = newest_selection_head {
8675 let newest_selection_point =
8676 newest_selection_head.to_point(&snapshot.display_snapshot);
8677 if (start_row..end_row).contains(&newest_selection_head.row()) {
8678 self.layout_cursor_popovers(
8679 line_height,
8680 &text_hitbox,
8681 content_origin,
8682 right_margin,
8683 start_row,
8684 scroll_pixel_position,
8685 &line_layouts,
8686 newest_selection_head,
8687 newest_selection_point,
8688 &style,
8689 window,
8690 cx,
8691 )
8692 } else {
8693 None
8694 }
8695 } else {
8696 None
8697 };
8698
8699 self.layout_gutter_menu(
8700 line_height,
8701 &text_hitbox,
8702 content_origin,
8703 right_margin,
8704 scroll_pixel_position,
8705 gutter_dimensions.width - gutter_dimensions.left_padding,
8706 window,
8707 cx,
8708 );
8709
8710 let test_indicators = if gutter_settings.runnables {
8711 self.layout_run_indicators(
8712 line_height,
8713 start_row..end_row,
8714 &row_infos,
8715 scroll_pixel_position,
8716 &gutter_dimensions,
8717 &gutter_hitbox,
8718 &display_hunks,
8719 &snapshot,
8720 &mut breakpoint_rows,
8721 window,
8722 cx,
8723 )
8724 } else {
8725 Vec::new()
8726 };
8727
8728 let show_breakpoints = snapshot
8729 .show_breakpoints
8730 .unwrap_or(gutter_settings.breakpoints);
8731 let breakpoints = if show_breakpoints {
8732 self.layout_breakpoints(
8733 line_height,
8734 start_row..end_row,
8735 scroll_pixel_position,
8736 &gutter_dimensions,
8737 &gutter_hitbox,
8738 &display_hunks,
8739 &snapshot,
8740 breakpoint_rows,
8741 &row_infos,
8742 window,
8743 cx,
8744 )
8745 } else {
8746 Vec::new()
8747 };
8748
8749 self.layout_signature_help(
8750 &hitbox,
8751 content_origin,
8752 scroll_pixel_position,
8753 newest_selection_head,
8754 start_row,
8755 &line_layouts,
8756 line_height,
8757 em_width,
8758 context_menu_layout,
8759 window,
8760 cx,
8761 );
8762
8763 if !cx.has_active_drag() {
8764 self.layout_hover_popovers(
8765 &snapshot,
8766 &hitbox,
8767 start_row..end_row,
8768 content_origin,
8769 scroll_pixel_position,
8770 &line_layouts,
8771 line_height,
8772 em_width,
8773 context_menu_layout,
8774 window,
8775 cx,
8776 );
8777 }
8778
8779 let mouse_context_menu = self.layout_mouse_context_menu(
8780 &snapshot,
8781 start_row..end_row,
8782 content_origin,
8783 window,
8784 cx,
8785 );
8786
8787 window.with_element_namespace("crease_toggles", |window| {
8788 self.prepaint_crease_toggles(
8789 &mut crease_toggles,
8790 line_height,
8791 &gutter_dimensions,
8792 gutter_settings,
8793 scroll_pixel_position,
8794 &gutter_hitbox,
8795 window,
8796 cx,
8797 )
8798 });
8799
8800 window.with_element_namespace("expand_toggles", |window| {
8801 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
8802 });
8803
8804 let minimap = window.with_element_namespace("minimap", |window| {
8805 self.layout_minimap(
8806 &snapshot,
8807 minimap_width,
8808 scroll_position,
8809 &scrollbar_layout_information,
8810 scrollbars_layout.as_ref(),
8811 window,
8812 cx,
8813 )
8814 });
8815
8816 let invisible_symbol_font_size = font_size / 2.;
8817 let tab_invisible = window.text_system().shape_line(
8818 "→".into(),
8819 invisible_symbol_font_size,
8820 &[TextRun {
8821 len: "→".len(),
8822 font: self.style.text.font(),
8823 color: cx.theme().colors().editor_invisible,
8824 background_color: None,
8825 underline: None,
8826 strikethrough: None,
8827 }],
8828 );
8829 let space_invisible = window.text_system().shape_line(
8830 "•".into(),
8831 invisible_symbol_font_size,
8832 &[TextRun {
8833 len: "•".len(),
8834 font: self.style.text.font(),
8835 color: cx.theme().colors().editor_invisible,
8836 background_color: None,
8837 underline: None,
8838 strikethrough: None,
8839 }],
8840 );
8841
8842 let mode = snapshot.mode.clone();
8843
8844 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
8845 (vec![], vec![])
8846 } else {
8847 self.layout_diff_hunk_controls(
8848 start_row..end_row,
8849 &row_infos,
8850 &text_hitbox,
8851 newest_selection_head,
8852 line_height,
8853 right_margin,
8854 scroll_pixel_position,
8855 &display_hunks,
8856 &highlighted_rows,
8857 self.editor.clone(),
8858 window,
8859 cx,
8860 )
8861 };
8862
8863 let position_map = Rc::new(PositionMap {
8864 size: bounds.size,
8865 visible_row_range,
8866 scroll_pixel_position,
8867 scroll_max,
8868 line_layouts,
8869 line_height,
8870 em_width,
8871 em_advance,
8872 snapshot,
8873 gutter_hitbox: gutter_hitbox.clone(),
8874 text_hitbox: text_hitbox.clone(),
8875 inline_blame_bounds: inline_blame_layout
8876 .as_ref()
8877 .map(|layout| (layout.bounds, layout.entry.clone())),
8878 display_hunks: display_hunks.clone(),
8879 diff_hunk_control_bounds: diff_hunk_control_bounds.clone(),
8880 });
8881
8882 self.editor.update(cx, |editor, _| {
8883 editor.last_position_map = Some(position_map.clone())
8884 });
8885
8886 EditorLayout {
8887 mode,
8888 position_map,
8889 visible_display_row_range: start_row..end_row,
8890 wrap_guides,
8891 indent_guides,
8892 hitbox,
8893 gutter_hitbox,
8894 display_hunks,
8895 content_origin,
8896 scrollbars_layout,
8897 minimap,
8898 active_rows,
8899 highlighted_rows,
8900 highlighted_ranges,
8901 highlighted_gutter_ranges,
8902 redacted_ranges,
8903 document_colors,
8904 line_elements,
8905 line_numbers,
8906 blamed_display_rows,
8907 inline_diagnostics,
8908 inline_blame_layout,
8909 inline_code_actions,
8910 blocks,
8911 cursors,
8912 visible_cursors,
8913 selections,
8914 inline_completion_popover,
8915 diff_hunk_controls,
8916 mouse_context_menu,
8917 test_indicators,
8918 breakpoints,
8919 crease_toggles,
8920 crease_trailers,
8921 tab_invisible,
8922 space_invisible,
8923 sticky_buffer_header,
8924 expand_toggles,
8925 }
8926 })
8927 })
8928 })
8929 }
8930
8931 fn paint(
8932 &mut self,
8933 _: Option<&GlobalElementId>,
8934 _inspector_id: Option<&gpui::InspectorElementId>,
8935 bounds: Bounds<gpui::Pixels>,
8936 _: &mut Self::RequestLayoutState,
8937 layout: &mut Self::PrepaintState,
8938 window: &mut Window,
8939 cx: &mut App,
8940 ) {
8941 let focus_handle = self.editor.focus_handle(cx);
8942 let key_context = self
8943 .editor
8944 .update(cx, |editor, cx| editor.key_context(window, cx));
8945
8946 window.set_key_context(key_context);
8947 window.handle_input(
8948 &focus_handle,
8949 ElementInputHandler::new(bounds, self.editor.clone()),
8950 cx,
8951 );
8952 self.register_actions(window, cx);
8953 self.register_key_listeners(window, cx, layout);
8954
8955 let text_style = TextStyleRefinement {
8956 font_size: Some(self.style.text.font_size),
8957 line_height: Some(self.style.text.line_height),
8958 ..Default::default()
8959 };
8960 let rem_size = self.rem_size(cx);
8961 window.with_rem_size(rem_size, |window| {
8962 window.with_text_style(Some(text_style), |window| {
8963 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8964 self.paint_mouse_listeners(layout, window, cx);
8965 self.paint_background(layout, window, cx);
8966 self.paint_indent_guides(layout, window, cx);
8967
8968 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8969 self.paint_blamed_display_rows(layout, window, cx);
8970 self.paint_line_numbers(layout, window, cx);
8971 }
8972
8973 self.paint_text(layout, window, cx);
8974
8975 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8976 self.paint_gutter_highlights(layout, window, cx);
8977 self.paint_gutter_indicators(layout, window, cx);
8978 }
8979
8980 if !layout.blocks.is_empty() {
8981 window.with_element_namespace("blocks", |window| {
8982 self.paint_blocks(layout, window, cx);
8983 });
8984 }
8985
8986 window.with_element_namespace("blocks", |window| {
8987 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
8988 sticky_header.paint(window, cx)
8989 }
8990 });
8991
8992 self.paint_minimap(layout, window, cx);
8993 self.paint_scrollbars(layout, window, cx);
8994 self.paint_inline_completion_popover(layout, window, cx);
8995 self.paint_mouse_context_menu(layout, window, cx);
8996 });
8997 })
8998 })
8999 }
9000}
9001
9002pub(super) fn gutter_bounds(
9003 editor_bounds: Bounds<Pixels>,
9004 gutter_dimensions: GutterDimensions,
9005) -> Bounds<Pixels> {
9006 Bounds {
9007 origin: editor_bounds.origin,
9008 size: size(gutter_dimensions.width, editor_bounds.size.height),
9009 }
9010}
9011
9012#[derive(Clone, Copy)]
9013struct ContextMenuLayout {
9014 y_flipped: bool,
9015 bounds: Bounds<Pixels>,
9016}
9017
9018/// Holds information required for layouting the editor scrollbars.
9019struct ScrollbarLayoutInformation {
9020 /// The bounds of the editor area (excluding the content offset).
9021 editor_bounds: Bounds<Pixels>,
9022 /// The available range to scroll within the document.
9023 scroll_range: Size<Pixels>,
9024 /// The space available for one glyph in the editor.
9025 glyph_grid_cell: Size<Pixels>,
9026}
9027
9028impl ScrollbarLayoutInformation {
9029 pub fn new(
9030 editor_bounds: Bounds<Pixels>,
9031 glyph_grid_cell: Size<Pixels>,
9032 document_size: Size<Pixels>,
9033 longest_line_blame_width: Pixels,
9034 editor_width: Pixels,
9035 settings: &EditorSettings,
9036 ) -> Self {
9037 let vertical_overscroll = match settings.scroll_beyond_last_line {
9038 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9039 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9040 ScrollBeyondLastLine::VerticalScrollMargin => {
9041 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9042 }
9043 };
9044
9045 let right_margin = if document_size.width + longest_line_blame_width >= editor_width {
9046 glyph_grid_cell.width
9047 } else {
9048 px(0.0)
9049 };
9050
9051 let overscroll = size(right_margin + longest_line_blame_width, vertical_overscroll);
9052
9053 let scroll_range = document_size + overscroll;
9054
9055 ScrollbarLayoutInformation {
9056 editor_bounds,
9057 scroll_range,
9058 glyph_grid_cell,
9059 }
9060 }
9061}
9062
9063impl IntoElement for EditorElement {
9064 type Element = Self;
9065
9066 fn into_element(self) -> Self::Element {
9067 self
9068 }
9069}
9070
9071pub struct EditorLayout {
9072 position_map: Rc<PositionMap>,
9073 hitbox: Hitbox,
9074 gutter_hitbox: Hitbox,
9075 content_origin: gpui::Point<Pixels>,
9076 scrollbars_layout: Option<EditorScrollbars>,
9077 minimap: Option<MinimapLayout>,
9078 mode: EditorMode,
9079 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9080 indent_guides: Option<Vec<IndentGuideLayout>>,
9081 visible_display_row_range: Range<DisplayRow>,
9082 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9083 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9084 line_elements: SmallVec<[AnyElement; 1]>,
9085 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9086 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9087 blamed_display_rows: Option<Vec<AnyElement>>,
9088 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9089 inline_blame_layout: Option<InlineBlameLayout>,
9090 inline_code_actions: Option<AnyElement>,
9091 blocks: Vec<BlockLayout>,
9092 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9093 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9094 redacted_ranges: Vec<Range<DisplayPoint>>,
9095 cursors: Vec<(DisplayPoint, Hsla)>,
9096 visible_cursors: Vec<CursorLayout>,
9097 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9098 test_indicators: Vec<AnyElement>,
9099 breakpoints: Vec<AnyElement>,
9100 crease_toggles: Vec<Option<AnyElement>>,
9101 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9102 diff_hunk_controls: Vec<AnyElement>,
9103 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9104 inline_completion_popover: Option<AnyElement>,
9105 mouse_context_menu: Option<AnyElement>,
9106 tab_invisible: ShapedLine,
9107 space_invisible: ShapedLine,
9108 sticky_buffer_header: Option<AnyElement>,
9109 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9110}
9111
9112impl EditorLayout {
9113 fn line_end_overshoot(&self) -> Pixels {
9114 0.15 * self.position_map.line_height
9115 }
9116}
9117
9118struct LineNumberLayout {
9119 shaped_line: ShapedLine,
9120 hitbox: Option<Hitbox>,
9121}
9122
9123struct ColoredRange<T> {
9124 start: T,
9125 end: T,
9126 color: Hsla,
9127}
9128
9129impl Along for ScrollbarAxes {
9130 type Unit = bool;
9131
9132 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9133 match axis {
9134 ScrollbarAxis::Horizontal => self.horizontal,
9135 ScrollbarAxis::Vertical => self.vertical,
9136 }
9137 }
9138
9139 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9140 match axis {
9141 ScrollbarAxis::Horizontal => ScrollbarAxes {
9142 horizontal: f(self.horizontal),
9143 vertical: self.vertical,
9144 },
9145 ScrollbarAxis::Vertical => ScrollbarAxes {
9146 horizontal: self.horizontal,
9147 vertical: f(self.vertical),
9148 },
9149 }
9150 }
9151}
9152
9153#[derive(Clone)]
9154struct EditorScrollbars {
9155 pub vertical: Option<ScrollbarLayout>,
9156 pub horizontal: Option<ScrollbarLayout>,
9157 pub visible: bool,
9158}
9159
9160impl EditorScrollbars {
9161 pub fn from_scrollbar_axes(
9162 settings_visibility: ScrollbarAxes,
9163 layout_information: &ScrollbarLayoutInformation,
9164 content_offset: gpui::Point<Pixels>,
9165 scroll_position: gpui::Point<f32>,
9166 scrollbar_width: Pixels,
9167 right_margin: Pixels,
9168 editor_width: Pixels,
9169 show_scrollbars: bool,
9170 scrollbar_state: Option<&ActiveScrollbarState>,
9171 window: &mut Window,
9172 ) -> Self {
9173 let ScrollbarLayoutInformation {
9174 editor_bounds,
9175 scroll_range,
9176 glyph_grid_cell,
9177 } = layout_information;
9178
9179 let viewport_size = size(editor_width, editor_bounds.size.height);
9180
9181 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9182 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9183 Corner::BottomLeft,
9184 editor_bounds.bottom_left(),
9185 size(
9186 // The horizontal viewport size differs from the space available for the
9187 // horizontal scrollbar, so we have to manually stich it together here.
9188 editor_bounds.size.width - right_margin,
9189 scrollbar_width,
9190 ),
9191 ),
9192 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9193 Corner::TopRight,
9194 editor_bounds.top_right(),
9195 size(scrollbar_width, viewport_size.height),
9196 ),
9197 };
9198
9199 let mut create_scrollbar_layout = |axis| {
9200 settings_visibility
9201 .along(axis)
9202 .then(|| {
9203 (
9204 viewport_size.along(axis) - content_offset.along(axis),
9205 scroll_range.along(axis),
9206 )
9207 })
9208 .filter(|(viewport_size, scroll_range)| {
9209 // The scrollbar should only be rendered if the content does
9210 // not entirely fit into the editor
9211 // However, this only applies to the horizontal scrollbar, as information about the
9212 // vertical scrollbar layout is always needed for scrollbar diagnostics.
9213 axis != ScrollbarAxis::Horizontal || viewport_size < scroll_range
9214 })
9215 .map(|(viewport_size, scroll_range)| {
9216 ScrollbarLayout::new(
9217 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9218 viewport_size,
9219 scroll_range,
9220 glyph_grid_cell.along(axis),
9221 content_offset.along(axis),
9222 scroll_position.along(axis),
9223 show_scrollbars,
9224 axis,
9225 )
9226 .with_thumb_state(
9227 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9228 )
9229 })
9230 };
9231
9232 Self {
9233 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9234 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9235 visible: show_scrollbars,
9236 }
9237 }
9238
9239 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9240 [
9241 (&self.vertical, ScrollbarAxis::Vertical),
9242 (&self.horizontal, ScrollbarAxis::Horizontal),
9243 ]
9244 .into_iter()
9245 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9246 }
9247
9248 /// Returns the currently hovered scrollbar axis, if any.
9249 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9250 self.iter_scrollbars()
9251 .find(|s| s.0.hitbox.is_hovered(window))
9252 }
9253}
9254
9255#[derive(Clone)]
9256struct ScrollbarLayout {
9257 hitbox: Hitbox,
9258 visible_range: Range<f32>,
9259 text_unit_size: Pixels,
9260 thumb_bounds: Option<Bounds<Pixels>>,
9261 thumb_state: ScrollbarThumbState,
9262}
9263
9264impl ScrollbarLayout {
9265 const BORDER_WIDTH: Pixels = px(1.0);
9266 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9267 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9268 const MIN_THUMB_SIZE: Pixels = px(25.0);
9269
9270 fn new(
9271 scrollbar_track_hitbox: Hitbox,
9272 viewport_size: Pixels,
9273 scroll_range: Pixels,
9274 glyph_space: Pixels,
9275 content_offset: Pixels,
9276 scroll_position: f32,
9277 show_thumb: bool,
9278 axis: ScrollbarAxis,
9279 ) -> Self {
9280 let track_bounds = scrollbar_track_hitbox.bounds;
9281 // The length of the track available to the scrollbar thumb. We deliberately
9282 // exclude the content size here so that the thumb aligns with the content.
9283 let track_length = track_bounds.size.along(axis) - content_offset;
9284
9285 Self::new_with_hitbox_and_track_length(
9286 scrollbar_track_hitbox,
9287 track_length,
9288 viewport_size,
9289 scroll_range,
9290 glyph_space,
9291 content_offset,
9292 scroll_position,
9293 show_thumb,
9294 axis,
9295 )
9296 }
9297
9298 fn for_minimap(
9299 minimap_track_hitbox: Hitbox,
9300 visible_lines: f32,
9301 total_editor_lines: f32,
9302 minimap_line_height: Pixels,
9303 scroll_position: f32,
9304 minimap_scroll_top: f32,
9305 show_thumb: bool,
9306 ) -> Self {
9307 // The scrollbar thumb size is calculated as
9308 // (visible_content/total_content) × scrollbar_track_length.
9309 //
9310 // For the minimap's thumb layout, we leverage this by setting the
9311 // scrollbar track length to the entire document size (using minimap line
9312 // height). This creates a thumb that exactly represents the editor
9313 // viewport scaled to minimap proportions.
9314 //
9315 // We adjust the thumb position relative to `minimap_scroll_top` to
9316 // accommodate for the deliberately oversized track.
9317 //
9318 // This approach ensures that the minimap thumb accurately reflects the
9319 // editor's current scroll position whilst nicely synchronizing the minimap
9320 // thumb and scrollbar thumb.
9321 let scroll_range = total_editor_lines * minimap_line_height;
9322 let viewport_size = visible_lines * minimap_line_height;
9323
9324 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9325
9326 Self::new_with_hitbox_and_track_length(
9327 minimap_track_hitbox,
9328 scroll_range,
9329 viewport_size,
9330 scroll_range,
9331 minimap_line_height,
9332 track_top_offset,
9333 scroll_position,
9334 show_thumb,
9335 ScrollbarAxis::Vertical,
9336 )
9337 }
9338
9339 fn new_with_hitbox_and_track_length(
9340 scrollbar_track_hitbox: Hitbox,
9341 track_length: Pixels,
9342 viewport_size: Pixels,
9343 scroll_range: Pixels,
9344 glyph_space: Pixels,
9345 content_offset: Pixels,
9346 scroll_position: f32,
9347 show_thumb: bool,
9348 axis: ScrollbarAxis,
9349 ) -> Self {
9350 let text_units_per_page = viewport_size / glyph_space;
9351 let visible_range = scroll_position..scroll_position + text_units_per_page;
9352 let total_text_units = scroll_range / glyph_space;
9353
9354 let thumb_percentage = text_units_per_page / total_text_units;
9355 let thumb_size = (track_length * thumb_percentage)
9356 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9357 .min(track_length);
9358
9359 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9360
9361 let content_larger_than_viewport = text_unit_divisor > 0.;
9362
9363 let text_unit_size = if content_larger_than_viewport {
9364 (track_length - thumb_size) / text_unit_divisor
9365 } else {
9366 glyph_space
9367 };
9368
9369 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9370 Self::thumb_bounds(
9371 &scrollbar_track_hitbox,
9372 content_offset,
9373 visible_range.start,
9374 text_unit_size,
9375 thumb_size,
9376 axis,
9377 )
9378 });
9379
9380 ScrollbarLayout {
9381 hitbox: scrollbar_track_hitbox,
9382 visible_range,
9383 text_unit_size,
9384 thumb_bounds,
9385 thumb_state: Default::default(),
9386 }
9387 }
9388
9389 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9390 if let Some(thumb_state) = thumb_state {
9391 Self {
9392 thumb_state,
9393 ..self
9394 }
9395 } else {
9396 self
9397 }
9398 }
9399
9400 fn thumb_bounds(
9401 scrollbar_track: &Hitbox,
9402 content_offset: Pixels,
9403 visible_range_start: f32,
9404 text_unit_size: Pixels,
9405 thumb_size: Pixels,
9406 axis: ScrollbarAxis,
9407 ) -> Bounds<Pixels> {
9408 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9409 origin + content_offset + visible_range_start * text_unit_size
9410 });
9411 Bounds::new(
9412 thumb_origin,
9413 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9414 )
9415 }
9416
9417 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9418 self.thumb_bounds
9419 .is_some_and(|bounds| bounds.contains(position))
9420 }
9421
9422 fn marker_quads_for_ranges(
9423 &self,
9424 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9425 column: Option<usize>,
9426 ) -> Vec<PaintQuad> {
9427 struct MinMax {
9428 min: Pixels,
9429 max: Pixels,
9430 }
9431 let (x_range, height_limit) = if let Some(column) = column {
9432 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9433 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9434 let end = start + column_width;
9435 (
9436 Range { start, end },
9437 MinMax {
9438 min: Self::MIN_MARKER_HEIGHT,
9439 max: px(f32::MAX),
9440 },
9441 )
9442 } else {
9443 (
9444 Range {
9445 start: Self::BORDER_WIDTH,
9446 end: self.hitbox.size.width,
9447 },
9448 MinMax {
9449 min: Self::LINE_MARKER_HEIGHT,
9450 max: Self::LINE_MARKER_HEIGHT,
9451 },
9452 )
9453 };
9454
9455 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9456 let mut pixel_ranges = row_ranges
9457 .into_iter()
9458 .map(|range| {
9459 let start_y = row_to_y(range.start);
9460 let end_y = row_to_y(range.end)
9461 + self
9462 .text_unit_size
9463 .max(height_limit.min)
9464 .min(height_limit.max);
9465 ColoredRange {
9466 start: start_y,
9467 end: end_y,
9468 color: range.color,
9469 }
9470 })
9471 .peekable();
9472
9473 let mut quads = Vec::new();
9474 while let Some(mut pixel_range) = pixel_ranges.next() {
9475 while let Some(next_pixel_range) = pixel_ranges.peek() {
9476 if pixel_range.end >= next_pixel_range.start - px(1.0)
9477 && pixel_range.color == next_pixel_range.color
9478 {
9479 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9480 pixel_ranges.next();
9481 } else {
9482 break;
9483 }
9484 }
9485
9486 let bounds = Bounds::from_corners(
9487 point(x_range.start, pixel_range.start),
9488 point(x_range.end, pixel_range.end),
9489 );
9490 quads.push(quad(
9491 bounds,
9492 Corners::default(),
9493 pixel_range.color,
9494 Edges::default(),
9495 Hsla::transparent_black(),
9496 BorderStyle::default(),
9497 ));
9498 }
9499
9500 quads
9501 }
9502}
9503
9504struct MinimapLayout {
9505 pub minimap: AnyElement,
9506 pub thumb_layout: ScrollbarLayout,
9507 pub minimap_scroll_top: f32,
9508 pub minimap_line_height: Pixels,
9509 pub thumb_border_style: MinimapThumbBorder,
9510 pub max_scroll_top: f32,
9511}
9512
9513impl MinimapLayout {
9514 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9515 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9516 /// The minimap width as a percentage of the editor width.
9517 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9518 /// Calculates the scroll top offset the minimap editor has to have based on the
9519 /// current scroll progress.
9520 fn calculate_minimap_top_offset(
9521 document_lines: f32,
9522 visible_editor_lines: f32,
9523 visible_minimap_lines: f32,
9524 scroll_position: f32,
9525 ) -> f32 {
9526 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9527 if non_visible_document_lines == 0. {
9528 0.
9529 } else {
9530 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9531 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9532 }
9533 }
9534}
9535
9536struct CreaseTrailerLayout {
9537 element: AnyElement,
9538 bounds: Bounds<Pixels>,
9539}
9540
9541pub(crate) struct PositionMap {
9542 pub size: Size<Pixels>,
9543 pub line_height: Pixels,
9544 pub scroll_pixel_position: gpui::Point<Pixels>,
9545 pub scroll_max: gpui::Point<f32>,
9546 pub em_width: Pixels,
9547 pub em_advance: Pixels,
9548 pub visible_row_range: Range<DisplayRow>,
9549 pub line_layouts: Vec<LineWithInvisibles>,
9550 pub snapshot: EditorSnapshot,
9551 pub text_hitbox: Hitbox,
9552 pub gutter_hitbox: Hitbox,
9553 pub inline_blame_bounds: Option<(Bounds<Pixels>, BlameEntry)>,
9554 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9555 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9556}
9557
9558#[derive(Debug, Copy, Clone)]
9559pub struct PointForPosition {
9560 pub previous_valid: DisplayPoint,
9561 pub next_valid: DisplayPoint,
9562 pub exact_unclipped: DisplayPoint,
9563 pub column_overshoot_after_line_end: u32,
9564}
9565
9566impl PointForPosition {
9567 pub fn as_valid(&self) -> Option<DisplayPoint> {
9568 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9569 Some(self.previous_valid)
9570 } else {
9571 None
9572 }
9573 }
9574
9575 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
9576 let Some(valid_point) = self.as_valid() else {
9577 return false;
9578 };
9579 let range = selection.range();
9580
9581 let candidate_row = valid_point.row();
9582 let candidate_col = valid_point.column();
9583
9584 let start_row = range.start.row();
9585 let start_col = range.start.column();
9586 let end_row = range.end.row();
9587 let end_col = range.end.column();
9588
9589 if candidate_row < start_row || candidate_row > end_row {
9590 false
9591 } else if start_row == end_row {
9592 candidate_col >= start_col && candidate_col < end_col
9593 } else {
9594 if candidate_row == start_row {
9595 candidate_col >= start_col
9596 } else if candidate_row == end_row {
9597 candidate_col < end_col
9598 } else {
9599 true
9600 }
9601 }
9602 }
9603}
9604
9605impl PositionMap {
9606 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
9607 let text_bounds = self.text_hitbox.bounds;
9608 let scroll_position = self.snapshot.scroll_position();
9609 let position = position - text_bounds.origin;
9610 let y = position.y.max(px(0.)).min(self.size.height);
9611 let x = position.x + (scroll_position.x * self.em_advance);
9612 let row = ((y / self.line_height) + scroll_position.y) as u32;
9613
9614 let (column, x_overshoot_after_line_end) = if let Some(line) = self
9615 .line_layouts
9616 .get(row as usize - scroll_position.y as usize)
9617 {
9618 if let Some(ix) = line.index_for_x(x) {
9619 (ix as u32, px(0.))
9620 } else {
9621 (line.len as u32, px(0.).max(x - line.width))
9622 }
9623 } else {
9624 (0, x)
9625 };
9626
9627 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
9628 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
9629 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
9630
9631 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
9632 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
9633 PointForPosition {
9634 previous_valid,
9635 next_valid,
9636 exact_unclipped,
9637 column_overshoot_after_line_end,
9638 }
9639 }
9640}
9641
9642struct BlockLayout {
9643 id: BlockId,
9644 x_offset: Pixels,
9645 row: Option<DisplayRow>,
9646 element: AnyElement,
9647 available_space: Size<AvailableSpace>,
9648 style: BlockStyle,
9649 overlaps_gutter: bool,
9650 is_buffer_header: bool,
9651}
9652
9653pub fn layout_line(
9654 row: DisplayRow,
9655 snapshot: &EditorSnapshot,
9656 style: &EditorStyle,
9657 text_width: Pixels,
9658 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
9659 window: &mut Window,
9660 cx: &mut App,
9661) -> LineWithInvisibles {
9662 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
9663 LineWithInvisibles::from_chunks(
9664 chunks,
9665 &style,
9666 MAX_LINE_LEN,
9667 1,
9668 &snapshot.mode,
9669 text_width,
9670 is_row_soft_wrapped,
9671 window,
9672 cx,
9673 )
9674 .pop()
9675 .unwrap()
9676}
9677
9678#[derive(Debug)]
9679pub struct IndentGuideLayout {
9680 origin: gpui::Point<Pixels>,
9681 length: Pixels,
9682 single_indent_width: Pixels,
9683 depth: u32,
9684 active: bool,
9685 settings: IndentGuideSettings,
9686}
9687
9688pub struct CursorLayout {
9689 origin: gpui::Point<Pixels>,
9690 block_width: Pixels,
9691 line_height: Pixels,
9692 color: Hsla,
9693 shape: CursorShape,
9694 block_text: Option<ShapedLine>,
9695 cursor_name: Option<AnyElement>,
9696}
9697
9698#[derive(Debug)]
9699pub struct CursorName {
9700 string: SharedString,
9701 color: Hsla,
9702 is_top_row: bool,
9703}
9704
9705impl CursorLayout {
9706 pub fn new(
9707 origin: gpui::Point<Pixels>,
9708 block_width: Pixels,
9709 line_height: Pixels,
9710 color: Hsla,
9711 shape: CursorShape,
9712 block_text: Option<ShapedLine>,
9713 ) -> CursorLayout {
9714 CursorLayout {
9715 origin,
9716 block_width,
9717 line_height,
9718 color,
9719 shape,
9720 block_text,
9721 cursor_name: None,
9722 }
9723 }
9724
9725 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9726 Bounds {
9727 origin: self.origin + origin,
9728 size: size(self.block_width, self.line_height),
9729 }
9730 }
9731
9732 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9733 match self.shape {
9734 CursorShape::Bar => Bounds {
9735 origin: self.origin + origin,
9736 size: size(px(2.0), self.line_height),
9737 },
9738 CursorShape::Block | CursorShape::Hollow => Bounds {
9739 origin: self.origin + origin,
9740 size: size(self.block_width, self.line_height),
9741 },
9742 CursorShape::Underline => Bounds {
9743 origin: self.origin
9744 + origin
9745 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
9746 size: size(self.block_width, px(2.0)),
9747 },
9748 }
9749 }
9750
9751 pub fn layout(
9752 &mut self,
9753 origin: gpui::Point<Pixels>,
9754 cursor_name: Option<CursorName>,
9755 window: &mut Window,
9756 cx: &mut App,
9757 ) {
9758 if let Some(cursor_name) = cursor_name {
9759 let bounds = self.bounds(origin);
9760 let text_size = self.line_height / 1.5;
9761
9762 let name_origin = if cursor_name.is_top_row {
9763 point(bounds.right() - px(1.), bounds.top())
9764 } else {
9765 match self.shape {
9766 CursorShape::Bar => point(
9767 bounds.right() - px(2.),
9768 bounds.top() - text_size / 2. - px(1.),
9769 ),
9770 _ => point(
9771 bounds.right() - px(1.),
9772 bounds.top() - text_size / 2. - px(1.),
9773 ),
9774 }
9775 };
9776 let mut name_element = div()
9777 .bg(self.color)
9778 .text_size(text_size)
9779 .px_0p5()
9780 .line_height(text_size + px(2.))
9781 .text_color(cursor_name.color)
9782 .child(cursor_name.string.clone())
9783 .into_any_element();
9784
9785 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
9786
9787 self.cursor_name = Some(name_element);
9788 }
9789 }
9790
9791 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
9792 let bounds = self.bounds(origin);
9793
9794 //Draw background or border quad
9795 let cursor = if matches!(self.shape, CursorShape::Hollow) {
9796 outline(bounds, self.color, BorderStyle::Solid)
9797 } else {
9798 fill(bounds, self.color)
9799 };
9800
9801 if let Some(name) = &mut self.cursor_name {
9802 name.paint(window, cx);
9803 }
9804
9805 window.paint_quad(cursor);
9806
9807 if let Some(block_text) = &self.block_text {
9808 block_text
9809 .paint(self.origin + origin, self.line_height, window, cx)
9810 .log_err();
9811 }
9812 }
9813
9814 pub fn shape(&self) -> CursorShape {
9815 self.shape
9816 }
9817}
9818
9819#[derive(Debug)]
9820pub struct HighlightedRange {
9821 pub start_y: Pixels,
9822 pub line_height: Pixels,
9823 pub lines: Vec<HighlightedRangeLine>,
9824 pub color: Hsla,
9825 pub corner_radius: Pixels,
9826}
9827
9828#[derive(Debug)]
9829pub struct HighlightedRangeLine {
9830 pub start_x: Pixels,
9831 pub end_x: Pixels,
9832}
9833
9834impl HighlightedRange {
9835 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
9836 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
9837 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
9838 self.paint_lines(
9839 self.start_y + self.line_height,
9840 &self.lines[1..],
9841 fill,
9842 bounds,
9843 window,
9844 );
9845 } else {
9846 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
9847 }
9848 }
9849
9850 fn paint_lines(
9851 &self,
9852 start_y: Pixels,
9853 lines: &[HighlightedRangeLine],
9854 fill: bool,
9855 _bounds: Bounds<Pixels>,
9856 window: &mut Window,
9857 ) {
9858 if lines.is_empty() {
9859 return;
9860 }
9861
9862 let first_line = lines.first().unwrap();
9863 let last_line = lines.last().unwrap();
9864
9865 let first_top_left = point(first_line.start_x, start_y);
9866 let first_top_right = point(first_line.end_x, start_y);
9867
9868 let curve_height = point(Pixels::ZERO, self.corner_radius);
9869 let curve_width = |start_x: Pixels, end_x: Pixels| {
9870 let max = (end_x - start_x) / 2.;
9871 let width = if max < self.corner_radius {
9872 max
9873 } else {
9874 self.corner_radius
9875 };
9876
9877 point(width, Pixels::ZERO)
9878 };
9879
9880 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
9881 let mut builder = if fill {
9882 gpui::PathBuilder::fill()
9883 } else {
9884 gpui::PathBuilder::stroke(px(1.))
9885 };
9886 builder.move_to(first_top_right - top_curve_width);
9887 builder.curve_to(first_top_right + curve_height, first_top_right);
9888
9889 let mut iter = lines.iter().enumerate().peekable();
9890 while let Some((ix, line)) = iter.next() {
9891 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
9892
9893 if let Some((_, next_line)) = iter.peek() {
9894 let next_top_right = point(next_line.end_x, bottom_right.y);
9895
9896 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
9897 Ordering::Equal => {
9898 builder.line_to(bottom_right);
9899 }
9900 Ordering::Less => {
9901 let curve_width = curve_width(next_top_right.x, bottom_right.x);
9902 builder.line_to(bottom_right - curve_height);
9903 if self.corner_radius > Pixels::ZERO {
9904 builder.curve_to(bottom_right - curve_width, bottom_right);
9905 }
9906 builder.line_to(next_top_right + curve_width);
9907 if self.corner_radius > Pixels::ZERO {
9908 builder.curve_to(next_top_right + curve_height, next_top_right);
9909 }
9910 }
9911 Ordering::Greater => {
9912 let curve_width = curve_width(bottom_right.x, next_top_right.x);
9913 builder.line_to(bottom_right - curve_height);
9914 if self.corner_radius > Pixels::ZERO {
9915 builder.curve_to(bottom_right + curve_width, bottom_right);
9916 }
9917 builder.line_to(next_top_right - curve_width);
9918 if self.corner_radius > Pixels::ZERO {
9919 builder.curve_to(next_top_right + curve_height, next_top_right);
9920 }
9921 }
9922 }
9923 } else {
9924 let curve_width = curve_width(line.start_x, line.end_x);
9925 builder.line_to(bottom_right - curve_height);
9926 if self.corner_radius > Pixels::ZERO {
9927 builder.curve_to(bottom_right - curve_width, bottom_right);
9928 }
9929
9930 let bottom_left = point(line.start_x, bottom_right.y);
9931 builder.line_to(bottom_left + curve_width);
9932 if self.corner_radius > Pixels::ZERO {
9933 builder.curve_to(bottom_left - curve_height, bottom_left);
9934 }
9935 }
9936 }
9937
9938 if first_line.start_x > last_line.start_x {
9939 let curve_width = curve_width(last_line.start_x, first_line.start_x);
9940 let second_top_left = point(last_line.start_x, start_y + self.line_height);
9941 builder.line_to(second_top_left + curve_height);
9942 if self.corner_radius > Pixels::ZERO {
9943 builder.curve_to(second_top_left + curve_width, second_top_left);
9944 }
9945 let first_bottom_left = point(first_line.start_x, second_top_left.y);
9946 builder.line_to(first_bottom_left - curve_width);
9947 if self.corner_radius > Pixels::ZERO {
9948 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
9949 }
9950 }
9951
9952 builder.line_to(first_top_left + curve_height);
9953 if self.corner_radius > Pixels::ZERO {
9954 builder.curve_to(first_top_left + top_curve_width, first_top_left);
9955 }
9956 builder.line_to(first_top_right - top_curve_width);
9957
9958 if let Ok(path) = builder.build() {
9959 window.paint_path(path, self.color);
9960 }
9961 }
9962}
9963
9964enum CursorPopoverType {
9965 CodeContextMenu,
9966 EditPrediction,
9967}
9968
9969pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9970 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
9971}
9972
9973fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9974 (delta.pow(1.2) / 300.0).into()
9975}
9976
9977pub fn register_action<T: Action>(
9978 editor: &Entity<Editor>,
9979 window: &mut Window,
9980 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
9981) {
9982 let editor = editor.clone();
9983 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
9984 let action = action.downcast_ref().unwrap();
9985 if phase == DispatchPhase::Bubble {
9986 editor.update(cx, |editor, cx| {
9987 listener(editor, action, window, cx);
9988 })
9989 }
9990 })
9991}
9992
9993fn compute_auto_height_layout(
9994 editor: &mut Editor,
9995 min_lines: usize,
9996 max_lines: Option<usize>,
9997 max_line_number_width: Pixels,
9998 known_dimensions: Size<Option<Pixels>>,
9999 available_width: AvailableSpace,
10000 window: &mut Window,
10001 cx: &mut Context<Editor>,
10002) -> Option<Size<Pixels>> {
10003 let width = known_dimensions.width.or({
10004 if let AvailableSpace::Definite(available_width) = available_width {
10005 Some(available_width)
10006 } else {
10007 None
10008 }
10009 })?;
10010 if let Some(height) = known_dimensions.height {
10011 return Some(size(width, height));
10012 }
10013
10014 let style = editor.style.as_ref().unwrap();
10015 let font_id = window.text_system().resolve_font(&style.text.font());
10016 let font_size = style.text.font_size.to_pixels(window.rem_size());
10017 let line_height = style.text.line_height_in_pixels(window.rem_size());
10018 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10019
10020 let mut snapshot = editor.snapshot(window, cx);
10021 let gutter_dimensions = snapshot
10022 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10023 .or_else(|| {
10024 editor
10025 .offset_content
10026 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10027 })
10028 .unwrap_or_default();
10029
10030 editor.gutter_dimensions = gutter_dimensions;
10031 let text_width = width - gutter_dimensions.width;
10032 let overscroll = size(em_width, px(0.));
10033
10034 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10035 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None) {
10036 if editor.set_wrap_width(Some(editor_width), cx) {
10037 snapshot = editor.snapshot(window, cx);
10038 }
10039 }
10040
10041 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10042
10043 let min_height = line_height * min_lines as f32;
10044 let content_height = scroll_height.max(min_height);
10045
10046 let final_height = if let Some(max_lines) = max_lines {
10047 let max_height = line_height * max_lines as f32;
10048 content_height.min(max_height)
10049 } else {
10050 content_height
10051 };
10052
10053 Some(size(width, final_height))
10054}
10055
10056#[cfg(test)]
10057mod tests {
10058 use super::*;
10059 use crate::{
10060 Editor, MultiBuffer, SelectionEffects,
10061 display_map::{BlockPlacement, BlockProperties},
10062 editor_tests::{init_test, update_test_language_settings},
10063 };
10064 use gpui::{TestAppContext, VisualTestContext};
10065 use language::language_settings;
10066 use log::info;
10067 use std::num::NonZeroU32;
10068 use util::test::sample_text;
10069
10070 #[gpui::test]
10071 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10072 init_test(cx, |_| {});
10073 let window = cx.add_window(|window, cx| {
10074 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10075 Editor::new(EditorMode::full(), buffer, None, window, cx)
10076 });
10077
10078 let editor = window.root(cx).unwrap();
10079 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10080 let line_height = window
10081 .update(cx, |_, window, _| {
10082 style.text.line_height_in_pixels(window.rem_size())
10083 })
10084 .unwrap();
10085 let element = EditorElement::new(&editor, style);
10086 let snapshot = window
10087 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10088 .unwrap();
10089
10090 let layouts = cx
10091 .update_window(*window, |_, window, cx| {
10092 element.layout_line_numbers(
10093 None,
10094 GutterDimensions {
10095 left_padding: Pixels::ZERO,
10096 right_padding: Pixels::ZERO,
10097 width: px(30.0),
10098 margin: Pixels::ZERO,
10099 git_blame_entries_width: None,
10100 },
10101 line_height,
10102 gpui::Point::default(),
10103 DisplayRow(0)..DisplayRow(6),
10104 &(0..6)
10105 .map(|row| RowInfo {
10106 buffer_row: Some(row),
10107 ..Default::default()
10108 })
10109 .collect::<Vec<_>>(),
10110 &BTreeMap::default(),
10111 Some(DisplayPoint::new(DisplayRow(0), 0)),
10112 &snapshot,
10113 window,
10114 cx,
10115 )
10116 })
10117 .unwrap();
10118 assert_eq!(layouts.len(), 6);
10119
10120 let relative_rows = window
10121 .update(cx, |editor, window, cx| {
10122 let snapshot = editor.snapshot(window, cx);
10123 element.calculate_relative_line_numbers(
10124 &snapshot,
10125 &(DisplayRow(0)..DisplayRow(6)),
10126 Some(DisplayRow(3)),
10127 )
10128 })
10129 .unwrap();
10130 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10131 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10132 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10133 // current line has no relative number
10134 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10135 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10136
10137 // works if cursor is before screen
10138 let relative_rows = window
10139 .update(cx, |editor, window, cx| {
10140 let snapshot = editor.snapshot(window, cx);
10141 element.calculate_relative_line_numbers(
10142 &snapshot,
10143 &(DisplayRow(3)..DisplayRow(6)),
10144 Some(DisplayRow(1)),
10145 )
10146 })
10147 .unwrap();
10148 assert_eq!(relative_rows.len(), 3);
10149 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10150 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10151 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10152
10153 // works if cursor is after screen
10154 let relative_rows = window
10155 .update(cx, |editor, window, cx| {
10156 let snapshot = editor.snapshot(window, cx);
10157 element.calculate_relative_line_numbers(
10158 &snapshot,
10159 &(DisplayRow(0)..DisplayRow(3)),
10160 Some(DisplayRow(6)),
10161 )
10162 })
10163 .unwrap();
10164 assert_eq!(relative_rows.len(), 3);
10165 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10166 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10167 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10168 }
10169
10170 #[gpui::test]
10171 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10172 init_test(cx, |_| {});
10173
10174 let window = cx.add_window(|window, cx| {
10175 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10176 Editor::new(EditorMode::full(), buffer, None, window, cx)
10177 });
10178 let cx = &mut VisualTestContext::from_window(*window, cx);
10179 let editor = window.root(cx).unwrap();
10180 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10181
10182 window
10183 .update(cx, |editor, window, cx| {
10184 editor.cursor_shape = CursorShape::Block;
10185 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10186 s.select_ranges([
10187 Point::new(0, 0)..Point::new(1, 0),
10188 Point::new(3, 2)..Point::new(3, 3),
10189 Point::new(5, 6)..Point::new(6, 0),
10190 ]);
10191 });
10192 })
10193 .unwrap();
10194
10195 let (_, state) = cx.draw(
10196 point(px(500.), px(500.)),
10197 size(px(500.), px(500.)),
10198 |_, _| EditorElement::new(&editor, style),
10199 );
10200
10201 assert_eq!(state.selections.len(), 1);
10202 let local_selections = &state.selections[0].1;
10203 assert_eq!(local_selections.len(), 3);
10204 // moves cursor back one line
10205 assert_eq!(
10206 local_selections[0].head,
10207 DisplayPoint::new(DisplayRow(0), 6)
10208 );
10209 assert_eq!(
10210 local_selections[0].range,
10211 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10212 );
10213
10214 // moves cursor back one column
10215 assert_eq!(
10216 local_selections[1].range,
10217 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10218 );
10219 assert_eq!(
10220 local_selections[1].head,
10221 DisplayPoint::new(DisplayRow(3), 2)
10222 );
10223
10224 // leaves cursor on the max point
10225 assert_eq!(
10226 local_selections[2].range,
10227 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10228 );
10229 assert_eq!(
10230 local_selections[2].head,
10231 DisplayPoint::new(DisplayRow(6), 0)
10232 );
10233
10234 // active lines does not include 1 (even though the range of the selection does)
10235 assert_eq!(
10236 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10237 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10238 );
10239 }
10240
10241 #[gpui::test]
10242 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10243 init_test(cx, |_| {});
10244
10245 let window = cx.add_window(|window, cx| {
10246 let buffer = MultiBuffer::build_simple("", cx);
10247 Editor::new(EditorMode::full(), buffer, None, window, cx)
10248 });
10249 let cx = &mut VisualTestContext::from_window(*window, cx);
10250 let editor = window.root(cx).unwrap();
10251 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10252 window
10253 .update(cx, |editor, window, cx| {
10254 editor.set_placeholder_text("hello", cx);
10255 editor.insert_blocks(
10256 [BlockProperties {
10257 style: BlockStyle::Fixed,
10258 placement: BlockPlacement::Above(Anchor::min()),
10259 height: Some(3),
10260 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10261 priority: 0,
10262 render_in_minimap: true,
10263 }],
10264 None,
10265 cx,
10266 );
10267
10268 // Blur the editor so that it displays placeholder text.
10269 window.blur();
10270 })
10271 .unwrap();
10272
10273 let (_, state) = cx.draw(
10274 point(px(500.), px(500.)),
10275 size(px(500.), px(500.)),
10276 |_, _| EditorElement::new(&editor, style),
10277 );
10278 assert_eq!(state.position_map.line_layouts.len(), 4);
10279 assert_eq!(state.line_numbers.len(), 1);
10280 assert_eq!(
10281 state
10282 .line_numbers
10283 .get(&MultiBufferRow(0))
10284 .map(|line_number| line_number.shaped_line.text.as_ref()),
10285 Some("1")
10286 );
10287 }
10288
10289 #[gpui::test]
10290 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10291 const TAB_SIZE: u32 = 4;
10292
10293 let input_text = "\t \t|\t| a b";
10294 let expected_invisibles = vec![
10295 Invisible::Tab {
10296 line_start_offset: 0,
10297 line_end_offset: TAB_SIZE as usize,
10298 },
10299 Invisible::Whitespace {
10300 line_offset: TAB_SIZE as usize,
10301 },
10302 Invisible::Tab {
10303 line_start_offset: TAB_SIZE as usize + 1,
10304 line_end_offset: TAB_SIZE as usize * 2,
10305 },
10306 Invisible::Tab {
10307 line_start_offset: TAB_SIZE as usize * 2 + 1,
10308 line_end_offset: TAB_SIZE as usize * 3,
10309 },
10310 Invisible::Whitespace {
10311 line_offset: TAB_SIZE as usize * 3 + 1,
10312 },
10313 Invisible::Whitespace {
10314 line_offset: TAB_SIZE as usize * 3 + 3,
10315 },
10316 ];
10317 assert_eq!(
10318 expected_invisibles.len(),
10319 input_text
10320 .chars()
10321 .filter(|initial_char| initial_char.is_whitespace())
10322 .count(),
10323 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10324 );
10325
10326 for show_line_numbers in [true, false] {
10327 init_test(cx, |s| {
10328 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10329 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10330 });
10331
10332 let actual_invisibles = collect_invisibles_from_new_editor(
10333 cx,
10334 EditorMode::full(),
10335 input_text,
10336 px(500.0),
10337 show_line_numbers,
10338 );
10339
10340 assert_eq!(expected_invisibles, actual_invisibles);
10341 }
10342 }
10343
10344 #[gpui::test]
10345 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10346 init_test(cx, |s| {
10347 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10348 s.defaults.tab_size = NonZeroU32::new(4);
10349 });
10350
10351 for editor_mode_without_invisibles in [
10352 EditorMode::SingleLine { auto_width: false },
10353 EditorMode::AutoHeight {
10354 min_lines: 1,
10355 max_lines: Some(100),
10356 },
10357 ] {
10358 for show_line_numbers in [true, false] {
10359 let invisibles = collect_invisibles_from_new_editor(
10360 cx,
10361 editor_mode_without_invisibles.clone(),
10362 "\t\t\t| | a b",
10363 px(500.0),
10364 show_line_numbers,
10365 );
10366 assert!(
10367 invisibles.is_empty(),
10368 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10369 );
10370 }
10371 }
10372 }
10373
10374 #[gpui::test]
10375 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10376 let tab_size = 4;
10377 let input_text = "a\tbcd ".repeat(9);
10378 let repeated_invisibles = [
10379 Invisible::Tab {
10380 line_start_offset: 1,
10381 line_end_offset: tab_size as usize,
10382 },
10383 Invisible::Whitespace {
10384 line_offset: tab_size as usize + 3,
10385 },
10386 Invisible::Whitespace {
10387 line_offset: tab_size as usize + 4,
10388 },
10389 Invisible::Whitespace {
10390 line_offset: tab_size as usize + 5,
10391 },
10392 Invisible::Whitespace {
10393 line_offset: tab_size as usize + 6,
10394 },
10395 Invisible::Whitespace {
10396 line_offset: tab_size as usize + 7,
10397 },
10398 ];
10399 let expected_invisibles = std::iter::once(repeated_invisibles)
10400 .cycle()
10401 .take(9)
10402 .flatten()
10403 .collect::<Vec<_>>();
10404 assert_eq!(
10405 expected_invisibles.len(),
10406 input_text
10407 .chars()
10408 .filter(|initial_char| initial_char.is_whitespace())
10409 .count(),
10410 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10411 );
10412 info!("Expected invisibles: {expected_invisibles:?}");
10413
10414 init_test(cx, |_| {});
10415
10416 // Put the same string with repeating whitespace pattern into editors of various size,
10417 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10418 let resize_step = 10.0;
10419 let mut editor_width = 200.0;
10420 while editor_width <= 1000.0 {
10421 for show_line_numbers in [true, false] {
10422 update_test_language_settings(cx, |s| {
10423 s.defaults.tab_size = NonZeroU32::new(tab_size);
10424 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10425 s.defaults.preferred_line_length = Some(editor_width as u32);
10426 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10427 });
10428
10429 let actual_invisibles = collect_invisibles_from_new_editor(
10430 cx,
10431 EditorMode::full(),
10432 &input_text,
10433 px(editor_width),
10434 show_line_numbers,
10435 );
10436
10437 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10438 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10439 let mut i = 0;
10440 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10441 i = actual_index;
10442 match expected_invisibles.get(i) {
10443 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10444 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10445 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10446 _ => {
10447 panic!(
10448 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10449 )
10450 }
10451 },
10452 None => {
10453 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10454 }
10455 }
10456 }
10457 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10458 assert!(
10459 missing_expected_invisibles.is_empty(),
10460 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10461 );
10462
10463 editor_width += resize_step;
10464 }
10465 }
10466 }
10467
10468 fn collect_invisibles_from_new_editor(
10469 cx: &mut TestAppContext,
10470 editor_mode: EditorMode,
10471 input_text: &str,
10472 editor_width: Pixels,
10473 show_line_numbers: bool,
10474 ) -> Vec<Invisible> {
10475 info!(
10476 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10477 editor_width.0
10478 );
10479 let window = cx.add_window(|window, cx| {
10480 let buffer = MultiBuffer::build_simple(input_text, cx);
10481 Editor::new(editor_mode, buffer, None, window, cx)
10482 });
10483 let cx = &mut VisualTestContext::from_window(*window, cx);
10484 let editor = window.root(cx).unwrap();
10485
10486 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10487 window
10488 .update(cx, |editor, _, cx| {
10489 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10490 editor.set_wrap_width(Some(editor_width), cx);
10491 editor.set_show_line_numbers(show_line_numbers, cx);
10492 })
10493 .unwrap();
10494 let (_, state) = cx.draw(
10495 point(px(500.), px(500.)),
10496 size(px(500.), px(500.)),
10497 |_, _| EditorElement::new(&editor, style),
10498 );
10499 state
10500 .position_map
10501 .line_layouts
10502 .iter()
10503 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10504 .cloned()
10505 .collect()
10506 }
10507}