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_by_length);
229 register_action(editor, window, Editor::sort_lines_case_sensitive);
230 register_action(editor, window, Editor::sort_lines_case_insensitive);
231 register_action(editor, window, Editor::reverse_lines);
232 register_action(editor, window, Editor::shuffle_lines);
233 register_action(editor, window, Editor::toggle_case);
234 register_action(editor, window, Editor::convert_indentation_to_spaces);
235 register_action(editor, window, Editor::convert_indentation_to_tabs);
236 register_action(editor, window, Editor::convert_to_upper_case);
237 register_action(editor, window, Editor::convert_to_lower_case);
238 register_action(editor, window, Editor::convert_to_title_case);
239 register_action(editor, window, Editor::convert_to_snake_case);
240 register_action(editor, window, Editor::convert_to_kebab_case);
241 register_action(editor, window, Editor::convert_to_upper_camel_case);
242 register_action(editor, window, Editor::convert_to_lower_camel_case);
243 register_action(editor, window, Editor::convert_to_opposite_case);
244 register_action(editor, window, Editor::convert_to_rot13);
245 register_action(editor, window, Editor::convert_to_rot47);
246 register_action(editor, window, Editor::delete_to_previous_word_start);
247 register_action(editor, window, Editor::delete_to_previous_subword_start);
248 register_action(editor, window, Editor::delete_to_next_word_end);
249 register_action(editor, window, Editor::delete_to_next_subword_end);
250 register_action(editor, window, Editor::delete_to_beginning_of_line);
251 register_action(editor, window, Editor::delete_to_end_of_line);
252 register_action(editor, window, Editor::cut_to_end_of_line);
253 register_action(editor, window, Editor::duplicate_line_up);
254 register_action(editor, window, Editor::duplicate_line_down);
255 register_action(editor, window, Editor::duplicate_selection);
256 register_action(editor, window, Editor::move_line_up);
257 register_action(editor, window, Editor::move_line_down);
258 register_action(editor, window, Editor::transpose);
259 register_action(editor, window, Editor::rewrap);
260 register_action(editor, window, Editor::cut);
261 register_action(editor, window, Editor::kill_ring_cut);
262 register_action(editor, window, Editor::kill_ring_yank);
263 register_action(editor, window, Editor::copy);
264 register_action(editor, window, Editor::copy_and_trim);
265 register_action(editor, window, Editor::paste);
266 register_action(editor, window, Editor::undo);
267 register_action(editor, window, Editor::redo);
268 register_action(editor, window, Editor::move_page_up);
269 register_action(editor, window, Editor::move_page_down);
270 register_action(editor, window, Editor::next_screen);
271 register_action(editor, window, Editor::scroll_cursor_top);
272 register_action(editor, window, Editor::scroll_cursor_center);
273 register_action(editor, window, Editor::scroll_cursor_bottom);
274 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
275 register_action(editor, window, |editor, _: &LineDown, window, cx| {
276 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
277 });
278 register_action(editor, window, |editor, _: &LineUp, window, cx| {
279 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
280 });
281 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
282 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
283 });
284 register_action(
285 editor,
286 window,
287 |editor, HandleInput(text): &HandleInput, window, cx| {
288 if text.is_empty() {
289 return;
290 }
291 editor.handle_input(text, window, cx);
292 },
293 );
294 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
295 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
296 });
297 register_action(editor, window, |editor, _: &PageDown, window, cx| {
298 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
299 });
300 register_action(editor, window, |editor, _: &PageUp, window, cx| {
301 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
302 });
303 register_action(editor, window, Editor::move_to_previous_word_start);
304 register_action(editor, window, Editor::move_to_previous_subword_start);
305 register_action(editor, window, Editor::move_to_next_word_end);
306 register_action(editor, window, Editor::move_to_next_subword_end);
307 register_action(editor, window, Editor::move_to_beginning_of_line);
308 register_action(editor, window, Editor::move_to_end_of_line);
309 register_action(editor, window, Editor::move_to_start_of_paragraph);
310 register_action(editor, window, Editor::move_to_end_of_paragraph);
311 register_action(editor, window, Editor::move_to_beginning);
312 register_action(editor, window, Editor::move_to_end);
313 register_action(editor, window, Editor::move_to_start_of_excerpt);
314 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
315 register_action(editor, window, Editor::move_to_end_of_excerpt);
316 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
317 register_action(editor, window, Editor::select_up);
318 register_action(editor, window, Editor::select_down);
319 register_action(editor, window, Editor::select_left);
320 register_action(editor, window, Editor::select_right);
321 register_action(editor, window, Editor::select_to_previous_word_start);
322 register_action(editor, window, Editor::select_to_previous_subword_start);
323 register_action(editor, window, Editor::select_to_next_word_end);
324 register_action(editor, window, Editor::select_to_next_subword_end);
325 register_action(editor, window, Editor::select_to_beginning_of_line);
326 register_action(editor, window, Editor::select_to_end_of_line);
327 register_action(editor, window, Editor::select_to_start_of_paragraph);
328 register_action(editor, window, Editor::select_to_end_of_paragraph);
329 register_action(editor, window, Editor::select_to_start_of_excerpt);
330 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
331 register_action(editor, window, Editor::select_to_end_of_excerpt);
332 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
333 register_action(editor, window, Editor::select_to_beginning);
334 register_action(editor, window, Editor::select_to_end);
335 register_action(editor, window, Editor::select_all);
336 register_action(editor, window, |editor, action, window, cx| {
337 editor.select_all_matches(action, window, cx).log_err();
338 });
339 register_action(editor, window, Editor::select_line);
340 register_action(editor, window, Editor::split_selection_into_lines);
341 register_action(editor, window, Editor::add_selection_above);
342 register_action(editor, window, Editor::add_selection_below);
343 register_action(editor, window, |editor, action, window, cx| {
344 editor.select_next(action, window, cx).log_err();
345 });
346 register_action(editor, window, |editor, action, window, cx| {
347 editor.select_previous(action, window, cx).log_err();
348 });
349 register_action(editor, window, |editor, action, window, cx| {
350 editor.find_next_match(action, window, cx).log_err();
351 });
352 register_action(editor, window, |editor, action, window, cx| {
353 editor.find_previous_match(action, window, cx).log_err();
354 });
355 register_action(editor, window, Editor::toggle_comments);
356 register_action(editor, window, Editor::select_larger_syntax_node);
357 register_action(editor, window, Editor::select_smaller_syntax_node);
358 register_action(editor, window, Editor::select_enclosing_symbol);
359 register_action(editor, window, Editor::move_to_enclosing_bracket);
360 register_action(editor, window, Editor::undo_selection);
361 register_action(editor, window, Editor::redo_selection);
362 if !editor.read(cx).is_singleton(cx) {
363 register_action(editor, window, Editor::expand_excerpts);
364 register_action(editor, window, Editor::expand_excerpts_up);
365 register_action(editor, window, Editor::expand_excerpts_down);
366 }
367 register_action(editor, window, Editor::go_to_diagnostic);
368 register_action(editor, window, Editor::go_to_prev_diagnostic);
369 register_action(editor, window, Editor::go_to_next_hunk);
370 register_action(editor, window, Editor::go_to_prev_hunk);
371 register_action(editor, window, |editor, action, window, cx| {
372 editor
373 .go_to_definition(action, window, cx)
374 .detach_and_log_err(cx);
375 });
376 register_action(editor, window, |editor, action, window, cx| {
377 editor
378 .go_to_definition_split(action, window, cx)
379 .detach_and_log_err(cx);
380 });
381 register_action(editor, window, |editor, action, window, cx| {
382 editor
383 .go_to_declaration(action, window, cx)
384 .detach_and_log_err(cx);
385 });
386 register_action(editor, window, |editor, action, window, cx| {
387 editor
388 .go_to_declaration_split(action, window, cx)
389 .detach_and_log_err(cx);
390 });
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_implementation(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_implementation_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_type_definition(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_type_definition_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, Editor::open_url);
412 register_action(editor, window, Editor::open_selected_filename);
413 register_action(editor, window, Editor::fold);
414 register_action(editor, window, Editor::fold_at_level);
415 register_action(editor, window, Editor::fold_all);
416 register_action(editor, window, Editor::fold_function_bodies);
417 register_action(editor, window, Editor::fold_recursive);
418 register_action(editor, window, Editor::toggle_fold);
419 register_action(editor, window, Editor::toggle_fold_recursive);
420 register_action(editor, window, Editor::unfold_lines);
421 register_action(editor, window, Editor::unfold_recursive);
422 register_action(editor, window, Editor::unfold_all);
423 register_action(editor, window, Editor::fold_selected_ranges);
424 register_action(editor, window, Editor::set_mark);
425 register_action(editor, window, Editor::swap_selection_ends);
426 register_action(editor, window, Editor::show_completions);
427 register_action(editor, window, Editor::show_word_completions);
428 register_action(editor, window, Editor::toggle_code_actions);
429 register_action(editor, window, Editor::open_excerpts);
430 register_action(editor, window, Editor::open_excerpts_in_split);
431 register_action(editor, window, Editor::open_proposed_changes_editor);
432 register_action(editor, window, Editor::toggle_soft_wrap);
433 register_action(editor, window, Editor::toggle_tab_bar);
434 register_action(editor, window, Editor::toggle_line_numbers);
435 register_action(editor, window, Editor::toggle_relative_line_numbers);
436 register_action(editor, window, Editor::toggle_indent_guides);
437 register_action(editor, window, Editor::toggle_inlay_hints);
438 register_action(editor, window, Editor::toggle_edit_predictions);
439 if editor.read(cx).diagnostics_enabled() {
440 register_action(editor, window, Editor::toggle_diagnostics);
441 }
442 if editor.read(cx).inline_diagnostics_enabled() {
443 register_action(editor, window, Editor::toggle_inline_diagnostics);
444 }
445 if editor.read(cx).supports_minimap(cx) {
446 register_action(editor, window, Editor::toggle_minimap);
447 }
448 register_action(editor, window, hover_popover::hover);
449 register_action(editor, window, Editor::reveal_in_finder);
450 register_action(editor, window, Editor::copy_path);
451 register_action(editor, window, Editor::copy_relative_path);
452 register_action(editor, window, Editor::copy_file_name);
453 register_action(editor, window, Editor::copy_file_name_without_extension);
454 register_action(editor, window, Editor::copy_highlight_json);
455 register_action(editor, window, Editor::copy_permalink_to_line);
456 register_action(editor, window, Editor::open_permalink_to_line);
457 register_action(editor, window, Editor::copy_file_location);
458 register_action(editor, window, Editor::toggle_git_blame);
459 register_action(editor, window, Editor::toggle_git_blame_inline);
460 register_action(editor, window, Editor::open_git_blame_commit);
461 register_action(editor, window, Editor::toggle_selected_diff_hunks);
462 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
463 register_action(editor, window, Editor::stage_and_next);
464 register_action(editor, window, Editor::unstage_and_next);
465 register_action(editor, window, Editor::expand_all_diff_hunks);
466 register_action(editor, window, Editor::go_to_previous_change);
467 register_action(editor, window, Editor::go_to_next_change);
468
469 register_action(editor, window, |editor, action, window, cx| {
470 if let Some(task) = editor.format(action, window, cx) {
471 task.detach_and_notify_err(window, cx);
472 } else {
473 cx.propagate();
474 }
475 });
476 register_action(editor, window, |editor, action, window, cx| {
477 if let Some(task) = editor.format_selections(action, window, cx) {
478 task.detach_and_notify_err(window, cx);
479 } else {
480 cx.propagate();
481 }
482 });
483 register_action(editor, window, |editor, action, window, cx| {
484 if let Some(task) = editor.organize_imports(action, window, cx) {
485 task.detach_and_notify_err(window, cx);
486 } else {
487 cx.propagate();
488 }
489 });
490 register_action(editor, window, Editor::restart_language_server);
491 register_action(editor, window, Editor::stop_language_server);
492 register_action(editor, window, Editor::show_character_palette);
493 register_action(editor, window, |editor, action, window, cx| {
494 if let Some(task) = editor.confirm_completion(action, window, cx) {
495 task.detach_and_notify_err(window, cx);
496 } else {
497 cx.propagate();
498 }
499 });
500 register_action(editor, window, |editor, action, window, cx| {
501 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
502 task.detach_and_notify_err(window, cx);
503 } else {
504 cx.propagate();
505 }
506 });
507 register_action(editor, window, |editor, action, window, cx| {
508 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
509 task.detach_and_notify_err(window, cx);
510 } else {
511 cx.propagate();
512 }
513 });
514 register_action(editor, window, |editor, action, window, cx| {
515 if let Some(task) = editor.compose_completion(action, window, cx) {
516 task.detach_and_notify_err(window, cx);
517 } else {
518 cx.propagate();
519 }
520 });
521 register_action(editor, window, |editor, action, window, cx| {
522 if let Some(task) = editor.confirm_code_action(action, window, cx) {
523 task.detach_and_notify_err(window, cx);
524 } else {
525 cx.propagate();
526 }
527 });
528 register_action(editor, window, |editor, action, window, cx| {
529 if let Some(task) = editor.rename(action, window, cx) {
530 task.detach_and_notify_err(window, cx);
531 } else {
532 cx.propagate();
533 }
534 });
535 register_action(editor, window, |editor, action, window, cx| {
536 if let Some(task) = editor.confirm_rename(action, window, cx) {
537 task.detach_and_notify_err(window, cx);
538 } else {
539 cx.propagate();
540 }
541 });
542 register_action(editor, window, |editor, action, window, cx| {
543 if let Some(task) = editor.find_all_references(action, window, cx) {
544 task.detach_and_log_err(cx);
545 } else {
546 cx.propagate();
547 }
548 });
549 register_action(editor, window, Editor::show_signature_help);
550 register_action(editor, window, Editor::signature_help_prev);
551 register_action(editor, window, Editor::signature_help_next);
552 register_action(editor, window, Editor::next_edit_prediction);
553 register_action(editor, window, Editor::previous_edit_prediction);
554 register_action(editor, window, Editor::show_inline_completion);
555 register_action(editor, window, Editor::context_menu_first);
556 register_action(editor, window, Editor::context_menu_prev);
557 register_action(editor, window, Editor::context_menu_next);
558 register_action(editor, window, Editor::context_menu_last);
559 register_action(editor, window, Editor::display_cursor_names);
560 register_action(editor, window, Editor::unique_lines_case_insensitive);
561 register_action(editor, window, Editor::unique_lines_case_sensitive);
562 register_action(editor, window, Editor::accept_partial_inline_completion);
563 register_action(editor, window, Editor::accept_edit_prediction);
564 register_action(editor, window, Editor::restore_file);
565 register_action(editor, window, Editor::git_restore);
566 register_action(editor, window, Editor::apply_all_diff_hunks);
567 register_action(editor, window, Editor::apply_selected_diff_hunks);
568 register_action(editor, window, Editor::open_active_item_in_terminal);
569 register_action(editor, window, Editor::reload_file);
570 register_action(editor, window, Editor::spawn_nearest_task);
571 register_action(editor, window, Editor::insert_uuid_v4);
572 register_action(editor, window, Editor::insert_uuid_v7);
573 register_action(editor, window, Editor::open_selections_in_multibuffer);
574 register_action(editor, window, Editor::toggle_breakpoint);
575 register_action(editor, window, Editor::edit_log_breakpoint);
576 register_action(editor, window, Editor::enable_breakpoint);
577 register_action(editor, window, Editor::disable_breakpoint);
578 }
579
580 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
581 let position_map = layout.position_map.clone();
582 window.on_key_event({
583 let editor = self.editor.clone();
584 move |event: &ModifiersChangedEvent, phase, window, cx| {
585 if phase != DispatchPhase::Bubble {
586 return;
587 }
588 editor.update(cx, |editor, cx| {
589 let inlay_hint_settings = inlay_hint_settings(
590 editor.selections.newest_anchor().head(),
591 &editor.buffer.read(cx).snapshot(cx),
592 cx,
593 );
594
595 if let Some(inlay_modifiers) = inlay_hint_settings
596 .toggle_on_modifiers_press
597 .as_ref()
598 .filter(|modifiers| modifiers.modified())
599 {
600 editor.refresh_inlay_hints(
601 InlayHintRefreshReason::ModifiersChanged(
602 inlay_modifiers == &event.modifiers,
603 ),
604 cx,
605 );
606 }
607
608 if editor.hover_state.focused(window, cx) {
609 return;
610 }
611
612 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
613 })
614 }
615 });
616 }
617
618 fn mouse_left_down(
619 editor: &mut Editor,
620 event: &MouseDownEvent,
621 hovered_hunk: Option<Range<Anchor>>,
622 position_map: &PositionMap,
623 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
624 window: &mut Window,
625 cx: &mut Context<Editor>,
626 ) {
627 if window.default_prevented() {
628 return;
629 }
630
631 let text_hitbox = &position_map.text_hitbox;
632 let gutter_hitbox = &position_map.gutter_hitbox;
633 let point_for_position = position_map.point_for_position(event.position);
634 let mut click_count = event.click_count;
635 let mut modifiers = event.modifiers;
636
637 if let Some(hovered_hunk) = hovered_hunk {
638 editor.toggle_single_diff_hunk(hovered_hunk, cx);
639 cx.notify();
640 return;
641 } else if gutter_hitbox.is_hovered(window) {
642 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
643 } else if !text_hitbox.is_hovered(window) {
644 return;
645 }
646
647 if editor.drag_and_drop_selection_enabled && click_count == 1 {
648 let newest_anchor = editor.selections.newest_anchor();
649 let snapshot = editor.snapshot(window, cx);
650 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
651 if point_for_position.intersects_selection(&selection) {
652 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
653 selection: newest_anchor.clone(),
654 click_position: event.position,
655 mouse_down_time: Instant::now(),
656 };
657 cx.stop_propagation();
658 return;
659 }
660 }
661
662 let is_singleton = editor.buffer().read(cx).is_singleton();
663
664 if click_count == 2 && !is_singleton {
665 match EditorSettings::get_global(cx).double_click_in_multibuffer {
666 DoubleClickInMultibuffer::Select => {
667 // do nothing special on double click, all selection logic is below
668 }
669 DoubleClickInMultibuffer::Open => {
670 if modifiers.alt {
671 // if double click is made with alt, pretend it's a regular double click without opening and alt,
672 // and run the selection logic.
673 modifiers.alt = false;
674 } else {
675 let scroll_position_row =
676 position_map.scroll_pixel_position.y / position_map.line_height;
677 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
678 + position_map.scroll_pixel_position.y)
679 / position_map.line_height)
680 as u32;
681 let multi_buffer_row = position_map
682 .snapshot
683 .display_point_to_point(
684 DisplayPoint::new(DisplayRow(display_row), 0),
685 Bias::Right,
686 )
687 .row;
688 let line_offset_from_top = display_row - scroll_position_row as u32;
689 // if double click is made without alt, open the corresponding excerp
690 editor.open_excerpts_common(
691 Some(JumpData::MultiBufferRow {
692 row: MultiBufferRow(multi_buffer_row),
693 line_offset_from_top,
694 }),
695 false,
696 window,
697 cx,
698 );
699 return;
700 }
701 }
702 }
703 }
704
705 let position = point_for_position.previous_valid;
706 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
707 editor.select(
708 SelectPhase::BeginColumnar {
709 position,
710 reset: match mode {
711 ColumnarMode::FromMouse => true,
712 ColumnarMode::FromSelection => false,
713 },
714 mode: mode,
715 goal_column: point_for_position.exact_unclipped.column(),
716 },
717 window,
718 cx,
719 );
720 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
721 {
722 editor.select(
723 SelectPhase::Extend {
724 position,
725 click_count,
726 },
727 window,
728 cx,
729 );
730 } else {
731 editor.select(
732 SelectPhase::Begin {
733 position,
734 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
735 click_count,
736 },
737 window,
738 cx,
739 );
740 }
741 cx.stop_propagation();
742
743 if !is_singleton {
744 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
745 + position_map.scroll_pixel_position.y)
746 / position_map.line_height) as u32;
747 let multi_buffer_row = position_map
748 .snapshot
749 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
750 .row;
751 if line_numbers
752 .get(&MultiBufferRow(multi_buffer_row))
753 .and_then(|line_number| line_number.hitbox.as_ref())
754 .is_some_and(|hitbox| hitbox.contains(&event.position))
755 {
756 let scroll_position_row =
757 position_map.scroll_pixel_position.y / position_map.line_height;
758 let line_offset_from_top = display_row - scroll_position_row as u32;
759
760 editor.open_excerpts_common(
761 Some(JumpData::MultiBufferRow {
762 row: MultiBufferRow(multi_buffer_row),
763 line_offset_from_top,
764 }),
765 modifiers.alt,
766 window,
767 cx,
768 );
769 cx.stop_propagation();
770 }
771 }
772 }
773
774 fn mouse_right_down(
775 editor: &mut Editor,
776 event: &MouseDownEvent,
777 position_map: &PositionMap,
778 window: &mut Window,
779 cx: &mut Context<Editor>,
780 ) {
781 if position_map.gutter_hitbox.is_hovered(window) {
782 let gutter_right_padding = editor.gutter_dimensions.right_padding;
783 let hitbox = &position_map.gutter_hitbox;
784
785 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
786 let point_for_position = position_map.point_for_position(event.position);
787 editor.set_breakpoint_context_menu(
788 point_for_position.previous_valid.row(),
789 None,
790 event.position,
791 window,
792 cx,
793 );
794 }
795 return;
796 }
797
798 if !position_map.text_hitbox.is_hovered(window) {
799 return;
800 }
801
802 let point_for_position = position_map.point_for_position(event.position);
803 mouse_context_menu::deploy_context_menu(
804 editor,
805 Some(event.position),
806 point_for_position.previous_valid,
807 window,
808 cx,
809 );
810 cx.stop_propagation();
811 }
812
813 fn mouse_middle_down(
814 editor: &mut Editor,
815 event: &MouseDownEvent,
816 position_map: &PositionMap,
817 window: &mut Window,
818 cx: &mut Context<Editor>,
819 ) {
820 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
821 return;
822 }
823
824 let point_for_position = position_map.point_for_position(event.position);
825 let position = point_for_position.previous_valid;
826
827 editor.select(
828 SelectPhase::BeginColumnar {
829 position,
830 reset: true,
831 mode: ColumnarMode::FromMouse,
832 goal_column: point_for_position.exact_unclipped.column(),
833 },
834 window,
835 cx,
836 );
837 }
838
839 fn mouse_up(
840 editor: &mut Editor,
841 event: &MouseUpEvent,
842 position_map: &PositionMap,
843 window: &mut Window,
844 cx: &mut Context<Editor>,
845 ) {
846 let text_hitbox = &position_map.text_hitbox;
847 let end_selection = editor.has_pending_selection();
848 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
849 let point_for_position = position_map.point_for_position(event.position);
850
851 match editor.selection_drag_state {
852 SelectionDragState::ReadyToDrag {
853 selection: _,
854 ref click_position,
855 mouse_down_time: _,
856 } => {
857 if event.position == *click_position {
858 editor.select(
859 SelectPhase::Begin {
860 position: point_for_position.previous_valid,
861 add: false,
862 click_count: 1, // ready to drag state only occurs on click count 1
863 },
864 window,
865 cx,
866 );
867 editor.selection_drag_state = SelectionDragState::None;
868 cx.stop_propagation();
869 return;
870 } else {
871 debug_panic!("drag state can never be in ready state after drag")
872 }
873 }
874 SelectionDragState::Dragging { ref selection, .. } => {
875 let snapshot = editor.snapshot(window, cx);
876 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
877 if !point_for_position.intersects_selection(&selection_display)
878 && text_hitbox.is_hovered(window)
879 {
880 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
881 || cfg!(not(target_os = "macos")) && event.modifiers.control);
882 editor.move_selection_on_drop(
883 &selection.clone(),
884 point_for_position.previous_valid,
885 is_cut,
886 window,
887 cx,
888 );
889 }
890 editor.selection_drag_state = SelectionDragState::None;
891 cx.stop_propagation();
892 cx.notify();
893 return;
894 }
895 _ => {}
896 }
897
898 if end_selection {
899 editor.select(SelectPhase::End, window, cx);
900 }
901
902 if end_selection && pending_nonempty_selections {
903 cx.stop_propagation();
904 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
905 && event.button == MouseButton::Middle
906 {
907 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
908 return;
909 }
910
911 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
912 if EditorSettings::get_global(cx).middle_click_paste {
913 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
914 let point_for_position = position_map.point_for_position(event.position);
915 let position = point_for_position.previous_valid;
916
917 editor.select(
918 SelectPhase::Begin {
919 position,
920 add: false,
921 click_count: 1,
922 },
923 window,
924 cx,
925 );
926 editor.insert(&text, window, cx);
927 }
928 cx.stop_propagation()
929 }
930 }
931 }
932
933 fn click(
934 editor: &mut Editor,
935 event: &ClickEvent,
936 position_map: &PositionMap,
937 window: &mut Window,
938 cx: &mut Context<Editor>,
939 ) {
940 let text_hitbox = &position_map.text_hitbox;
941 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
942
943 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
944
945 if !pending_nonempty_selections && hovered_link_modifier && text_hitbox.is_hovered(window) {
946 let point = position_map.point_for_position(event.up.position);
947 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
948
949 cx.stop_propagation();
950 }
951 }
952
953 fn mouse_dragged(
954 editor: &mut Editor,
955 event: &MouseMoveEvent,
956 position_map: &PositionMap,
957 window: &mut Window,
958 cx: &mut Context<Editor>,
959 ) {
960 if !editor.has_pending_selection()
961 && matches!(editor.selection_drag_state, SelectionDragState::None)
962 {
963 return;
964 }
965
966 let point_for_position = position_map.point_for_position(event.position);
967 let text_hitbox = &position_map.text_hitbox;
968
969 let scroll_delta = {
970 let text_bounds = text_hitbox.bounds;
971 let mut scroll_delta = gpui::Point::<f32>::default();
972 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
973 let top = text_bounds.origin.y + vertical_margin;
974 let bottom = text_bounds.bottom_left().y - vertical_margin;
975 if event.position.y < top {
976 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
977 }
978 if event.position.y > bottom {
979 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
980 }
981
982 // We need horizontal width of text
983 let style = editor.style.clone().unwrap_or_default();
984 let font_id = window.text_system().resolve_font(&style.text.font());
985 let font_size = style.text.font_size.to_pixels(window.rem_size());
986 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
987
988 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
989
990 let scroll_space: Pixels = scroll_margin_x * em_width;
991
992 let left = text_bounds.origin.x + scroll_space;
993 let right = text_bounds.top_right().x - scroll_space;
994
995 if event.position.x < left {
996 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
997 }
998 if event.position.x > right {
999 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1000 }
1001 scroll_delta
1002 };
1003
1004 if !editor.has_pending_selection() {
1005 let drop_anchor = position_map
1006 .snapshot
1007 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1008 match editor.selection_drag_state {
1009 SelectionDragState::Dragging {
1010 ref mut drop_cursor,
1011 ref mut hide_drop_cursor,
1012 ..
1013 } => {
1014 drop_cursor.start = drop_anchor;
1015 drop_cursor.end = drop_anchor;
1016 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1017 editor.apply_scroll_delta(scroll_delta, window, cx);
1018 cx.notify();
1019 }
1020 SelectionDragState::ReadyToDrag {
1021 ref selection,
1022 ref click_position,
1023 ref mouse_down_time,
1024 } => {
1025 if mouse_down_time.elapsed() >= SELECTION_DRAG_DELAY {
1026 let drop_cursor = Selection {
1027 id: post_inc(&mut editor.selections.next_selection_id),
1028 start: drop_anchor,
1029 end: drop_anchor,
1030 reversed: false,
1031 goal: SelectionGoal::None,
1032 };
1033 editor.selection_drag_state = SelectionDragState::Dragging {
1034 selection: selection.clone(),
1035 drop_cursor,
1036 hide_drop_cursor: false,
1037 };
1038 editor.apply_scroll_delta(scroll_delta, window, cx);
1039 cx.notify();
1040 } else {
1041 let click_point = position_map.point_for_position(*click_position);
1042 editor.selection_drag_state = SelectionDragState::None;
1043 editor.select(
1044 SelectPhase::Begin {
1045 position: click_point.previous_valid,
1046 add: false,
1047 click_count: 1,
1048 },
1049 window,
1050 cx,
1051 );
1052 editor.select(
1053 SelectPhase::Update {
1054 position: point_for_position.previous_valid,
1055 goal_column: point_for_position.exact_unclipped.column(),
1056 scroll_delta,
1057 },
1058 window,
1059 cx,
1060 );
1061 }
1062 }
1063 _ => {}
1064 }
1065 } else {
1066 editor.select(
1067 SelectPhase::Update {
1068 position: point_for_position.previous_valid,
1069 goal_column: point_for_position.exact_unclipped.column(),
1070 scroll_delta,
1071 },
1072 window,
1073 cx,
1074 );
1075 }
1076 }
1077
1078 fn mouse_moved(
1079 editor: &mut Editor,
1080 event: &MouseMoveEvent,
1081 position_map: &PositionMap,
1082 window: &mut Window,
1083 cx: &mut Context<Editor>,
1084 ) {
1085 let text_hitbox = &position_map.text_hitbox;
1086 let gutter_hitbox = &position_map.gutter_hitbox;
1087 let modifiers = event.modifiers;
1088 let text_hovered = text_hitbox.is_hovered(window);
1089 let gutter_hovered = gutter_hitbox.is_hovered(window);
1090 editor.set_gutter_hovered(gutter_hovered, cx);
1091 editor.show_mouse_cursor(cx);
1092
1093 let point_for_position = position_map.point_for_position(event.position);
1094 let valid_point = point_for_position.previous_valid;
1095
1096 let hovered_diff_control = position_map
1097 .diff_hunk_control_bounds
1098 .iter()
1099 .find(|(_, bounds)| bounds.contains(&event.position))
1100 .map(|(row, _)| *row);
1101
1102 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1103 Some(control_row)
1104 } else {
1105 if text_hovered {
1106 let current_row = valid_point.row();
1107 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1108 if let DisplayDiffHunk::Unfolded {
1109 display_row_range, ..
1110 } = hunk
1111 {
1112 if display_row_range.contains(¤t_row) {
1113 Some(display_row_range.start)
1114 } else {
1115 None
1116 }
1117 } else {
1118 None
1119 }
1120 })
1121 } else {
1122 None
1123 }
1124 };
1125
1126 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1127 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1128 cx.notify();
1129 }
1130
1131 if let Some((bounds, blame_entry)) = &position_map.inline_blame_bounds {
1132 let mouse_over_inline_blame = bounds.contains(&event.position);
1133 let mouse_over_popover = editor
1134 .inline_blame_popover
1135 .as_ref()
1136 .and_then(|state| state.popover_bounds)
1137 .map_or(false, |bounds| bounds.contains(&event.position));
1138
1139 if mouse_over_inline_blame || mouse_over_popover {
1140 editor.show_blame_popover(&blame_entry, event.position, cx);
1141 } else {
1142 editor.hide_blame_popover(cx);
1143 }
1144 } else {
1145 editor.hide_blame_popover(cx);
1146 }
1147
1148 let breakpoint_indicator = if gutter_hovered {
1149 let buffer_anchor = position_map
1150 .snapshot
1151 .display_point_to_anchor(valid_point, Bias::Left);
1152
1153 if let Some((buffer_snapshot, file)) = position_map
1154 .snapshot
1155 .buffer_snapshot
1156 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1157 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1158 {
1159 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1160
1161 let is_visible = editor
1162 .gutter_breakpoint_indicator
1163 .0
1164 .map_or(false, |indicator| indicator.is_active);
1165
1166 let has_existing_breakpoint =
1167 editor.breakpoint_store.as_ref().map_or(false, |store| {
1168 let Some(project) = &editor.project else {
1169 return false;
1170 };
1171 let Some(abs_path) = project.read(cx).absolute_path(
1172 &ProjectPath {
1173 path: file.path().clone(),
1174 worktree_id: file.worktree_id(cx),
1175 },
1176 cx,
1177 ) else {
1178 return false;
1179 };
1180 store
1181 .read(cx)
1182 .breakpoint_at_row(&abs_path, as_point.row, cx)
1183 .is_some()
1184 });
1185
1186 if !is_visible {
1187 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1188 cx.spawn(async move |this, cx| {
1189 cx.background_executor()
1190 .timer(Duration::from_millis(200))
1191 .await;
1192
1193 this.update(cx, |this, cx| {
1194 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1195 {
1196 indicator.is_active = true;
1197 cx.notify();
1198 }
1199 })
1200 .ok();
1201 })
1202 });
1203 }
1204
1205 Some(PhantomBreakpointIndicator {
1206 display_row: valid_point.row(),
1207 is_active: is_visible,
1208 collides_with_existing_breakpoint: has_existing_breakpoint,
1209 })
1210 } else {
1211 editor.gutter_breakpoint_indicator.1 = None;
1212 None
1213 }
1214 } else {
1215 editor.gutter_breakpoint_indicator.1 = None;
1216 None
1217 };
1218
1219 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1220 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1221 cx.notify();
1222 }
1223
1224 // Don't trigger hover popover if mouse is hovering over context menu
1225 if text_hovered {
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 hover_at(editor, Some(anchor), window, cx);
1240 Self::update_visible_cursor(editor, point, position_map, window, cx);
1241 } else {
1242 hover_at(editor, None, window, cx);
1243 }
1244 } else {
1245 editor.hide_hovered_link(cx);
1246 hover_at(editor, None, window, cx);
1247 }
1248 }
1249
1250 fn update_visible_cursor(
1251 editor: &mut Editor,
1252 point: DisplayPoint,
1253 position_map: &PositionMap,
1254 window: &mut Window,
1255 cx: &mut Context<Editor>,
1256 ) {
1257 let snapshot = &position_map.snapshot;
1258 let Some(hub) = editor.collaboration_hub() else {
1259 return;
1260 };
1261 let start = snapshot.display_snapshot.clip_point(
1262 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1263 Bias::Left,
1264 );
1265 let end = snapshot.display_snapshot.clip_point(
1266 DisplayPoint::new(
1267 point.row(),
1268 (point.column() + 1).min(snapshot.line_len(point.row())),
1269 ),
1270 Bias::Right,
1271 );
1272
1273 let range = snapshot
1274 .buffer_snapshot
1275 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1276 ..snapshot
1277 .buffer_snapshot
1278 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1279
1280 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1281 return;
1282 };
1283 let key = crate::HoveredCursor {
1284 replica_id: selection.replica_id,
1285 selection_id: selection.selection.id,
1286 };
1287 editor.hovered_cursors.insert(
1288 key.clone(),
1289 cx.spawn_in(window, async move |editor, cx| {
1290 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1291 editor
1292 .update(cx, |editor, cx| {
1293 editor.hovered_cursors.remove(&key);
1294 cx.notify();
1295 })
1296 .ok();
1297 }),
1298 );
1299 cx.notify()
1300 }
1301
1302 fn layout_selections(
1303 &self,
1304 start_anchor: Anchor,
1305 end_anchor: Anchor,
1306 local_selections: &[Selection<Point>],
1307 snapshot: &EditorSnapshot,
1308 start_row: DisplayRow,
1309 end_row: DisplayRow,
1310 window: &mut Window,
1311 cx: &mut App,
1312 ) -> (
1313 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1314 BTreeMap<DisplayRow, LineHighlightSpec>,
1315 Option<DisplayPoint>,
1316 ) {
1317 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1318 let mut active_rows = BTreeMap::new();
1319 let mut newest_selection_head = None;
1320
1321 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1322 return (selections, active_rows, newest_selection_head);
1323 };
1324
1325 editor_with_selections.update(cx, |editor, cx| {
1326 if editor.show_local_selections {
1327 let mut layouts = Vec::new();
1328 let newest = editor.selections.newest(cx);
1329 for selection in local_selections.iter().cloned() {
1330 let is_empty = selection.start == selection.end;
1331 let is_newest = selection == newest;
1332
1333 let layout = SelectionLayout::new(
1334 selection,
1335 editor.selections.line_mode,
1336 editor.cursor_shape,
1337 &snapshot.display_snapshot,
1338 is_newest,
1339 editor.leader_id.is_none(),
1340 None,
1341 );
1342 if is_newest {
1343 newest_selection_head = Some(layout.head);
1344 }
1345
1346 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1347 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1348 {
1349 let contains_non_empty_selection = active_rows
1350 .entry(DisplayRow(row))
1351 .or_insert_with(LineHighlightSpec::default);
1352 contains_non_empty_selection.selection |= !is_empty;
1353 }
1354 layouts.push(layout);
1355 }
1356
1357 let player = editor.current_user_player_color(cx);
1358 selections.push((player, layouts));
1359
1360 if let SelectionDragState::Dragging {
1361 ref selection,
1362 ref drop_cursor,
1363 ref hide_drop_cursor,
1364 } = editor.selection_drag_state
1365 {
1366 if !hide_drop_cursor
1367 && (drop_cursor
1368 .start
1369 .cmp(&selection.start, &snapshot.buffer_snapshot)
1370 .eq(&Ordering::Less)
1371 || drop_cursor
1372 .end
1373 .cmp(&selection.end, &snapshot.buffer_snapshot)
1374 .eq(&Ordering::Greater))
1375 {
1376 let drag_cursor_layout = SelectionLayout::new(
1377 drop_cursor.clone(),
1378 false,
1379 CursorShape::Bar,
1380 &snapshot.display_snapshot,
1381 false,
1382 false,
1383 None,
1384 );
1385 let absent_color = cx.theme().players().absent();
1386 selections.push((absent_color, vec![drag_cursor_layout]));
1387 }
1388 }
1389 }
1390
1391 if let Some(collaboration_hub) = &editor.collaboration_hub {
1392 // When following someone, render the local selections in their color.
1393 if let Some(leader_id) = editor.leader_id {
1394 match leader_id {
1395 CollaboratorId::PeerId(peer_id) => {
1396 if let Some(collaborator) =
1397 collaboration_hub.collaborators(cx).get(&peer_id)
1398 {
1399 if let Some(participant_index) = collaboration_hub
1400 .user_participant_indices(cx)
1401 .get(&collaborator.user_id)
1402 {
1403 if let Some((local_selection_style, _)) = selections.first_mut()
1404 {
1405 *local_selection_style = cx
1406 .theme()
1407 .players()
1408 .color_for_participant(participant_index.0);
1409 }
1410 }
1411 }
1412 }
1413 CollaboratorId::Agent => {
1414 if let Some((local_selection_style, _)) = selections.first_mut() {
1415 *local_selection_style = cx.theme().players().agent();
1416 }
1417 }
1418 }
1419 }
1420
1421 let mut remote_selections = HashMap::default();
1422 for selection in snapshot.remote_selections_in_range(
1423 &(start_anchor..end_anchor),
1424 collaboration_hub.as_ref(),
1425 cx,
1426 ) {
1427 // Don't re-render the leader's selections, since the local selections
1428 // match theirs.
1429 if Some(selection.collaborator_id) == editor.leader_id {
1430 continue;
1431 }
1432 let key = HoveredCursor {
1433 replica_id: selection.replica_id,
1434 selection_id: selection.selection.id,
1435 };
1436
1437 let is_shown =
1438 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1439
1440 remote_selections
1441 .entry(selection.replica_id)
1442 .or_insert((selection.color, Vec::new()))
1443 .1
1444 .push(SelectionLayout::new(
1445 selection.selection,
1446 selection.line_mode,
1447 selection.cursor_shape,
1448 &snapshot.display_snapshot,
1449 false,
1450 false,
1451 if is_shown { selection.user_name } else { None },
1452 ));
1453 }
1454
1455 selections.extend(remote_selections.into_values());
1456 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1457 let layouts = snapshot
1458 .buffer_snapshot
1459 .selections_in_range(&(start_anchor..end_anchor), true)
1460 .map(move |(_, line_mode, cursor_shape, selection)| {
1461 SelectionLayout::new(
1462 selection,
1463 line_mode,
1464 cursor_shape,
1465 &snapshot.display_snapshot,
1466 false,
1467 false,
1468 None,
1469 )
1470 })
1471 .collect::<Vec<_>>();
1472 let player = editor.current_user_player_color(cx);
1473 selections.push((player, layouts));
1474 }
1475 });
1476 (selections, active_rows, newest_selection_head)
1477 }
1478
1479 fn collect_cursors(
1480 &self,
1481 snapshot: &EditorSnapshot,
1482 cx: &mut App,
1483 ) -> Vec<(DisplayPoint, Hsla)> {
1484 let editor = self.editor.read(cx);
1485 let mut cursors = Vec::new();
1486 let mut skip_local = false;
1487 let mut add_cursor = |anchor: Anchor, color| {
1488 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1489 };
1490 // Remote cursors
1491 if let Some(collaboration_hub) = &editor.collaboration_hub {
1492 for remote_selection in snapshot.remote_selections_in_range(
1493 &(Anchor::min()..Anchor::max()),
1494 collaboration_hub.deref(),
1495 cx,
1496 ) {
1497 add_cursor(
1498 remote_selection.selection.head(),
1499 remote_selection.color.cursor,
1500 );
1501 if Some(remote_selection.collaborator_id) == editor.leader_id {
1502 skip_local = true;
1503 }
1504 }
1505 }
1506 // Local cursors
1507 if !skip_local {
1508 let color = cx.theme().players().local().cursor;
1509 editor.selections.disjoint.iter().for_each(|selection| {
1510 add_cursor(selection.head(), color);
1511 });
1512 if let Some(ref selection) = editor.selections.pending_anchor() {
1513 add_cursor(selection.head(), color);
1514 }
1515 }
1516 cursors
1517 }
1518
1519 fn layout_visible_cursors(
1520 &self,
1521 snapshot: &EditorSnapshot,
1522 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1523 row_block_types: &HashMap<DisplayRow, bool>,
1524 visible_display_row_range: Range<DisplayRow>,
1525 line_layouts: &[LineWithInvisibles],
1526 text_hitbox: &Hitbox,
1527 content_origin: gpui::Point<Pixels>,
1528 scroll_position: gpui::Point<f32>,
1529 scroll_pixel_position: gpui::Point<Pixels>,
1530 line_height: Pixels,
1531 em_width: Pixels,
1532 em_advance: Pixels,
1533 autoscroll_containing_element: bool,
1534 window: &mut Window,
1535 cx: &mut App,
1536 ) -> Vec<CursorLayout> {
1537 let mut autoscroll_bounds = None;
1538 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1539 let mut cursors = Vec::new();
1540
1541 let show_local_cursors = editor.show_local_cursors(window, cx);
1542
1543 for (player_color, selections) in selections {
1544 for selection in selections {
1545 let cursor_position = selection.head;
1546
1547 let in_range = visible_display_row_range.contains(&cursor_position.row());
1548 if (selection.is_local && !show_local_cursors)
1549 || !in_range
1550 || row_block_types.get(&cursor_position.row()) == Some(&true)
1551 {
1552 continue;
1553 }
1554
1555 let cursor_row_layout = &line_layouts
1556 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1557 let cursor_column = cursor_position.column() as usize;
1558
1559 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1560 let mut block_width =
1561 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1562 if block_width == Pixels::ZERO {
1563 block_width = em_advance;
1564 }
1565 let block_text = if let CursorShape::Block = selection.cursor_shape {
1566 snapshot
1567 .grapheme_at(cursor_position)
1568 .or_else(|| {
1569 if snapshot.is_empty() {
1570 snapshot.placeholder_text().and_then(|s| {
1571 s.graphemes(true).next().map(|s| s.to_string().into())
1572 })
1573 } else {
1574 None
1575 }
1576 })
1577 .map(|text| {
1578 let len = text.len();
1579
1580 let font = cursor_row_layout
1581 .font_id_for_index(cursor_column)
1582 .and_then(|cursor_font_id| {
1583 window.text_system().get_font_for_id(cursor_font_id)
1584 })
1585 .unwrap_or(self.style.text.font());
1586
1587 // Invert the text color for the block cursor. Ensure that the text
1588 // color is opaque enough to be visible against the background color.
1589 //
1590 // 0.75 is an arbitrary threshold to determine if the background color is
1591 // opaque enough to use as a text color.
1592 //
1593 // TODO: In the future we should ensure themes have a `text_inverse` color.
1594 let color = if cx.theme().colors().editor_background.a < 0.75 {
1595 match cx.theme().appearance {
1596 Appearance::Dark => Hsla::black(),
1597 Appearance::Light => Hsla::white(),
1598 }
1599 } else {
1600 cx.theme().colors().editor_background
1601 };
1602
1603 window.text_system().shape_line(
1604 text,
1605 cursor_row_layout.font_size,
1606 &[TextRun {
1607 len,
1608 font,
1609 color,
1610 background_color: None,
1611 strikethrough: None,
1612 underline: None,
1613 }],
1614 None,
1615 )
1616 })
1617 } else {
1618 None
1619 };
1620
1621 let x = cursor_character_x - scroll_pixel_position.x;
1622 let y = (cursor_position.row().as_f32()
1623 - scroll_pixel_position.y / line_height)
1624 * line_height;
1625 if selection.is_newest {
1626 editor.pixel_position_of_newest_cursor = Some(point(
1627 text_hitbox.origin.x + x + block_width / 2.,
1628 text_hitbox.origin.y + y + line_height / 2.,
1629 ));
1630
1631 if autoscroll_containing_element {
1632 let top = text_hitbox.origin.y
1633 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1634 * line_height;
1635 let left = text_hitbox.origin.x
1636 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1637 .max(0.)
1638 * em_width;
1639
1640 let bottom = text_hitbox.origin.y
1641 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1642 * line_height;
1643 let right = text_hitbox.origin.x
1644 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1645 * em_width;
1646
1647 autoscroll_bounds =
1648 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1649 }
1650 }
1651
1652 let mut cursor = CursorLayout {
1653 color: player_color.cursor,
1654 block_width,
1655 origin: point(x, y),
1656 line_height,
1657 shape: selection.cursor_shape,
1658 block_text,
1659 cursor_name: None,
1660 };
1661 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1662 string: name,
1663 color: self.style.background,
1664 is_top_row: cursor_position.row().0 == 0,
1665 });
1666 cursor.layout(content_origin, cursor_name, window, cx);
1667 cursors.push(cursor);
1668 }
1669 }
1670
1671 cursors
1672 });
1673
1674 if let Some(bounds) = autoscroll_bounds {
1675 window.request_autoscroll(bounds);
1676 }
1677
1678 cursor_layouts
1679 }
1680
1681 fn layout_scrollbars(
1682 &self,
1683 snapshot: &EditorSnapshot,
1684 scrollbar_layout_information: &ScrollbarLayoutInformation,
1685 content_offset: gpui::Point<Pixels>,
1686 scroll_position: gpui::Point<f32>,
1687 non_visible_cursors: bool,
1688 right_margin: Pixels,
1689 editor_width: Pixels,
1690 window: &mut Window,
1691 cx: &mut App,
1692 ) -> Option<EditorScrollbars> {
1693 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1694 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1695 || self.style.scrollbar_width.is_zero()
1696 {
1697 return None;
1698 }
1699
1700 // If a drag took place after we started dragging the scrollbar,
1701 // cancel the scrollbar drag.
1702 if cx.has_active_drag() {
1703 self.editor.update(cx, |editor, cx| {
1704 editor.scroll_manager.reset_scrollbar_state(cx)
1705 });
1706 }
1707
1708 let editor_settings = EditorSettings::get_global(cx);
1709 let scrollbar_settings = editor_settings.scrollbar;
1710 let show_scrollbars = match scrollbar_settings.show {
1711 ShowScrollbar::Auto => {
1712 let editor = self.editor.read(cx);
1713 let is_singleton = editor.is_singleton(cx);
1714 // Git
1715 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1716 ||
1717 // Buffer Search Results
1718 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1719 ||
1720 // Selected Text Occurrences
1721 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1722 ||
1723 // Selected Symbol Occurrences
1724 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1725 ||
1726 // Diagnostics
1727 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1728 ||
1729 // Cursors out of sight
1730 non_visible_cursors
1731 ||
1732 // Scrollmanager
1733 editor.scroll_manager.scrollbars_visible()
1734 }
1735 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1736 ShowScrollbar::Always => true,
1737 ShowScrollbar::Never => return None,
1738 };
1739
1740 // The horizontal scrollbar is usually slightly offset to align nicely with
1741 // indent guides. However, this offset is not needed if indent guides are
1742 // disabled for the current editor.
1743 let content_offset = self
1744 .editor
1745 .read(cx)
1746 .show_indent_guides
1747 .is_none_or(|should_show| should_show)
1748 .then_some(content_offset)
1749 .unwrap_or_default();
1750
1751 Some(EditorScrollbars::from_scrollbar_axes(
1752 ScrollbarAxes {
1753 horizontal: scrollbar_settings.axes.horizontal
1754 && self.editor.read(cx).show_scrollbars.horizontal,
1755 vertical: scrollbar_settings.axes.vertical
1756 && self.editor.read(cx).show_scrollbars.vertical,
1757 },
1758 scrollbar_layout_information,
1759 content_offset,
1760 scroll_position,
1761 self.style.scrollbar_width,
1762 right_margin,
1763 editor_width,
1764 show_scrollbars,
1765 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1766 window,
1767 ))
1768 }
1769
1770 fn layout_minimap(
1771 &self,
1772 snapshot: &EditorSnapshot,
1773 minimap_width: Pixels,
1774 scroll_position: gpui::Point<f32>,
1775 scrollbar_layout_information: &ScrollbarLayoutInformation,
1776 scrollbar_layout: Option<&EditorScrollbars>,
1777 window: &mut Window,
1778 cx: &mut App,
1779 ) -> Option<MinimapLayout> {
1780 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1781
1782 let minimap_settings = EditorSettings::get_global(cx).minimap;
1783
1784 if minimap_settings.on_active_editor() {
1785 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1786 ws.read(cx)
1787 .active_pane()
1788 .read(cx)
1789 .active_item()
1790 .and_then(|i| i.act_as::<Editor>(cx))
1791 });
1792 if active_editor.is_some_and(|e| e != self.editor) {
1793 return None;
1794 }
1795 }
1796
1797 if !snapshot.mode.is_full()
1798 || minimap_width.is_zero()
1799 || matches!(
1800 minimap_settings.show,
1801 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1802 )
1803 {
1804 return None;
1805 }
1806
1807 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1808
1809 let ScrollbarLayoutInformation {
1810 editor_bounds,
1811 scroll_range,
1812 glyph_grid_cell,
1813 } = scrollbar_layout_information;
1814
1815 let line_height = glyph_grid_cell.height;
1816 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1817
1818 let top_right_anchor = scrollbar_layout
1819 .and_then(|layout| layout.vertical.as_ref())
1820 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1821 .unwrap_or_else(|| editor_bounds.top_right());
1822
1823 let thumb_state = self
1824 .editor
1825 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1826
1827 let show_thumb = match minimap_settings.thumb {
1828 MinimapThumb::Always => true,
1829 MinimapThumb::Hover => thumb_state.is_some(),
1830 };
1831
1832 let minimap_bounds = Bounds::from_corner_and_size(
1833 Corner::TopRight,
1834 top_right_anchor,
1835 size(minimap_width, editor_bounds.size.height),
1836 );
1837 let minimap_line_height = self.get_minimap_line_height(
1838 minimap_editor
1839 .read(cx)
1840 .text_style_refinement
1841 .as_ref()
1842 .and_then(|refinement| refinement.font_size)
1843 .unwrap_or(MINIMAP_FONT_SIZE),
1844 window,
1845 cx,
1846 );
1847 let minimap_height = minimap_bounds.size.height;
1848
1849 let visible_editor_lines = editor_bounds.size.height / line_height;
1850 let total_editor_lines = scroll_range.height / line_height;
1851 let minimap_lines = minimap_height / minimap_line_height;
1852
1853 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1854 total_editor_lines,
1855 visible_editor_lines,
1856 minimap_lines,
1857 scroll_position,
1858 );
1859
1860 let layout = ScrollbarLayout::for_minimap(
1861 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1862 visible_editor_lines,
1863 total_editor_lines,
1864 minimap_line_height,
1865 scroll_position,
1866 minimap_scroll_top,
1867 show_thumb,
1868 )
1869 .with_thumb_state(thumb_state);
1870
1871 minimap_editor.update(cx, |editor, cx| {
1872 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1873 });
1874
1875 // Required for the drop shadow to be visible
1876 const PADDING_OFFSET: Pixels = px(4.);
1877
1878 let mut minimap = div()
1879 .size_full()
1880 .shadow_xs()
1881 .px(PADDING_OFFSET)
1882 .child(minimap_editor)
1883 .into_any_element();
1884
1885 let extended_bounds = minimap_bounds.extend(Edges {
1886 right: PADDING_OFFSET,
1887 left: PADDING_OFFSET,
1888 ..Default::default()
1889 });
1890 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1891 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1892 minimap.prepaint(window, cx)
1893 });
1894
1895 Some(MinimapLayout {
1896 minimap,
1897 thumb_layout: layout,
1898 thumb_border_style: minimap_settings.thumb_border,
1899 minimap_line_height,
1900 minimap_scroll_top,
1901 max_scroll_top: total_editor_lines,
1902 })
1903 }
1904
1905 fn get_minimap_line_height(
1906 &self,
1907 font_size: AbsoluteLength,
1908 window: &mut Window,
1909 cx: &mut App,
1910 ) -> Pixels {
1911 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1912 let mut text_style = self.style.text.clone();
1913 text_style.font_size = font_size;
1914 text_style.line_height_in_pixels(rem_size)
1915 }
1916
1917 fn get_minimap_width(
1918 &self,
1919 minimap_settings: &Minimap,
1920 scrollbars_shown: bool,
1921 text_width: Pixels,
1922 em_width: Pixels,
1923 font_size: Pixels,
1924 rem_size: Pixels,
1925 cx: &App,
1926 ) -> Option<Pixels> {
1927 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1928 return None;
1929 }
1930
1931 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1932 editor.minimap().map(|minimap_editor| {
1933 minimap_editor
1934 .read(cx)
1935 .text_style_refinement
1936 .as_ref()
1937 .and_then(|refinement| refinement.font_size)
1938 .unwrap_or(MINIMAP_FONT_SIZE)
1939 })
1940 })?;
1941
1942 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1943
1944 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1945 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1946
1947 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1948 .then_some(minimap_width)
1949 }
1950
1951 fn prepaint_crease_toggles(
1952 &self,
1953 crease_toggles: &mut [Option<AnyElement>],
1954 line_height: Pixels,
1955 gutter_dimensions: &GutterDimensions,
1956 gutter_settings: crate::editor_settings::Gutter,
1957 scroll_pixel_position: gpui::Point<Pixels>,
1958 gutter_hitbox: &Hitbox,
1959 window: &mut Window,
1960 cx: &mut App,
1961 ) {
1962 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1963 if let Some(crease_toggle) = crease_toggle {
1964 debug_assert!(gutter_settings.folds);
1965 let available_space = size(
1966 AvailableSpace::MinContent,
1967 AvailableSpace::Definite(line_height * 0.55),
1968 );
1969 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1970
1971 let position = point(
1972 gutter_dimensions.width - gutter_dimensions.right_padding,
1973 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
1974 );
1975 let centering_offset = point(
1976 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
1977 (line_height - crease_toggle_size.height) / 2.,
1978 );
1979 let origin = gutter_hitbox.origin + position + centering_offset;
1980 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
1981 }
1982 }
1983 }
1984
1985 fn prepaint_expand_toggles(
1986 &self,
1987 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
1988 window: &mut Window,
1989 cx: &mut App,
1990 ) {
1991 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
1992 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
1993 expand_toggle.layout_as_root(available_space, window, cx);
1994 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
1995 }
1996 }
1997
1998 fn prepaint_crease_trailers(
1999 &self,
2000 trailers: Vec<Option<AnyElement>>,
2001 lines: &[LineWithInvisibles],
2002 line_height: Pixels,
2003 content_origin: gpui::Point<Pixels>,
2004 scroll_pixel_position: gpui::Point<Pixels>,
2005 em_width: Pixels,
2006 window: &mut Window,
2007 cx: &mut App,
2008 ) -> Vec<Option<CreaseTrailerLayout>> {
2009 trailers
2010 .into_iter()
2011 .enumerate()
2012 .map(|(ix, element)| {
2013 let mut element = element?;
2014 let available_space = size(
2015 AvailableSpace::MinContent,
2016 AvailableSpace::Definite(line_height),
2017 );
2018 let size = element.layout_as_root(available_space, window, cx);
2019
2020 let line = &lines[ix];
2021 let padding = if line.width == Pixels::ZERO {
2022 Pixels::ZERO
2023 } else {
2024 4. * em_width
2025 };
2026 let position = point(
2027 scroll_pixel_position.x + line.width + padding,
2028 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2029 );
2030 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2031 let origin = content_origin + position + centering_offset;
2032 element.prepaint_as_root(origin, available_space, window, cx);
2033 Some(CreaseTrailerLayout {
2034 element,
2035 bounds: Bounds::new(origin, size),
2036 })
2037 })
2038 .collect()
2039 }
2040
2041 // Folds contained in a hunk are ignored apart from shrinking visual size
2042 // If a fold contains any hunks then that fold line is marked as modified
2043 fn layout_gutter_diff_hunks(
2044 &self,
2045 line_height: Pixels,
2046 gutter_hitbox: &Hitbox,
2047 display_rows: Range<DisplayRow>,
2048 snapshot: &EditorSnapshot,
2049 window: &mut Window,
2050 cx: &mut App,
2051 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2052 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2053 let mut display_hunks = snapshot
2054 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2055 .map(|hunk| (hunk, None))
2056 .collect::<Vec<_>>();
2057 let git_gutter_setting = ProjectSettings::get_global(cx)
2058 .git
2059 .git_gutter
2060 .unwrap_or_default();
2061 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2062 for (hunk, hitbox) in &mut display_hunks {
2063 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2064 let hunk_bounds =
2065 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2066 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2067 }
2068 }
2069 }
2070
2071 display_hunks
2072 }
2073
2074 fn layout_inline_diagnostics(
2075 &self,
2076 line_layouts: &[LineWithInvisibles],
2077 crease_trailers: &[Option<CreaseTrailerLayout>],
2078 row_block_types: &HashMap<DisplayRow, bool>,
2079 content_origin: gpui::Point<Pixels>,
2080 scroll_pixel_position: gpui::Point<Pixels>,
2081 inline_completion_popover_origin: Option<gpui::Point<Pixels>>,
2082 start_row: DisplayRow,
2083 end_row: DisplayRow,
2084 line_height: Pixels,
2085 em_width: Pixels,
2086 style: &EditorStyle,
2087 window: &mut Window,
2088 cx: &mut App,
2089 ) -> HashMap<DisplayRow, AnyElement> {
2090 if self.editor.read(cx).mode().is_minimap() {
2091 return HashMap::default();
2092 }
2093
2094 let max_severity = match ProjectSettings::get_global(cx)
2095 .diagnostics
2096 .inline
2097 .max_severity
2098 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2099 .into_lsp()
2100 {
2101 Some(max_severity) => max_severity,
2102 None => return HashMap::default(),
2103 };
2104
2105 let active_diagnostics_group =
2106 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2107 Some(group.group_id)
2108 } else {
2109 None
2110 };
2111
2112 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2113 let snapshot = editor.snapshot(window, cx);
2114 editor
2115 .inline_diagnostics
2116 .iter()
2117 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2118 .filter(|(_, diagnostic)| match active_diagnostics_group {
2119 Some(active_diagnostics_group) => {
2120 // Active diagnostics are all shown in the editor already, no need to display them inline
2121 diagnostic.group_id != active_diagnostics_group
2122 }
2123 None => true,
2124 })
2125 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2126 .skip_while(|(point, _)| point.row() < start_row)
2127 .take_while(|(point, _)| point.row() < end_row)
2128 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2129 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2130 acc.entry(point.row())
2131 .or_insert_with(Vec::new)
2132 .push(diagnostic);
2133 acc
2134 })
2135 });
2136
2137 if diagnostics_by_rows.is_empty() {
2138 return HashMap::default();
2139 }
2140
2141 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2142 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2143 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2144 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2145 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2146 _ => Color::Error,
2147 };
2148
2149 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2150 let min_x = ProjectSettings::get_global(cx)
2151 .diagnostics
2152 .inline
2153 .min_column as f32
2154 * em_width;
2155
2156 let mut elements = HashMap::default();
2157 for (row, mut diagnostics) in diagnostics_by_rows {
2158 diagnostics.sort_by_key(|diagnostic| {
2159 (
2160 diagnostic.severity,
2161 std::cmp::Reverse(diagnostic.is_primary),
2162 diagnostic.start.row,
2163 diagnostic.start.column,
2164 )
2165 });
2166
2167 let Some(diagnostic_to_render) = diagnostics
2168 .iter()
2169 .find(|diagnostic| diagnostic.is_primary)
2170 .or_else(|| diagnostics.first())
2171 else {
2172 continue;
2173 };
2174
2175 let pos_y = content_origin.y
2176 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2177
2178 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2179 let pos_x = {
2180 let crease_trailer_layout = &crease_trailers[window_ix];
2181 let line_layout = &line_layouts[window_ix];
2182
2183 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2184 crease_trailer.bounds.right()
2185 } else {
2186 content_origin.x - scroll_pixel_position.x + line_layout.width
2187 };
2188
2189 let padded_line = line_end + padding;
2190 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2191
2192 cmp::max(padded_line, min_start)
2193 };
2194
2195 let behind_inline_completion_popover = inline_completion_popover_origin
2196 .as_ref()
2197 .map_or(false, |inline_completion_popover_origin| {
2198 (pos_y..pos_y + line_height).contains(&inline_completion_popover_origin.y)
2199 });
2200 let opacity = if behind_inline_completion_popover {
2201 0.5
2202 } else {
2203 1.0
2204 };
2205
2206 let mut element = h_flex()
2207 .id(("diagnostic", row.0))
2208 .h(line_height)
2209 .w_full()
2210 .px_1()
2211 .rounded_xs()
2212 .opacity(opacity)
2213 .bg(severity_to_color(&diagnostic_to_render.severity)
2214 .color(cx)
2215 .opacity(0.05))
2216 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2217 .text_sm()
2218 .font_family(style.text.font().family)
2219 .child(diagnostic_to_render.message.clone())
2220 .into_any();
2221
2222 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2223
2224 elements.insert(row, element);
2225 }
2226
2227 elements
2228 }
2229
2230 fn layout_inline_code_actions(
2231 &self,
2232 display_point: DisplayPoint,
2233 content_origin: gpui::Point<Pixels>,
2234 scroll_pixel_position: gpui::Point<Pixels>,
2235 line_height: Pixels,
2236 snapshot: &EditorSnapshot,
2237 window: &mut Window,
2238 cx: &mut App,
2239 ) -> Option<AnyElement> {
2240 if !snapshot
2241 .show_code_actions
2242 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2243 {
2244 return None;
2245 }
2246
2247 let icon_size = ui::IconSize::XSmall;
2248 let mut button = self.editor.update(cx, |editor, cx| {
2249 editor.available_code_actions.as_ref()?;
2250 let active = editor
2251 .context_menu
2252 .borrow()
2253 .as_ref()
2254 .and_then(|menu| {
2255 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2256 deployed_from,
2257 ..
2258 }) = menu
2259 {
2260 deployed_from.as_ref()
2261 } else {
2262 None
2263 }
2264 })
2265 .map_or(false, |source| {
2266 matches!(source, CodeActionSource::Indicator(..))
2267 });
2268 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2269 })?;
2270
2271 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2272
2273 // do not show code action for folded line
2274 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2275 return None;
2276 }
2277
2278 // do not show code action for blank line with cursor
2279 let line_indent = snapshot
2280 .display_snapshot
2281 .buffer_snapshot
2282 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2283 if line_indent.is_line_blank() {
2284 return None;
2285 }
2286
2287 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2288 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2289
2290 let excerpt_id = snapshot
2291 .display_snapshot
2292 .buffer_snapshot
2293 .excerpt_containing(buffer_point..buffer_point)
2294 .map(|excerpt| excerpt.id());
2295
2296 let is_valid_row = |row_candidate: u32| -> bool {
2297 // move to other row if folded row
2298 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2299 return false;
2300 }
2301 if buffer_point.row == row_candidate {
2302 // move to other row if cursor is in slot
2303 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2304 return false;
2305 }
2306 } else {
2307 let candidate_point = MultiBufferPoint {
2308 row: row_candidate,
2309 column: 0,
2310 };
2311 let candidate_excerpt_id = snapshot
2312 .display_snapshot
2313 .buffer_snapshot
2314 .excerpt_containing(candidate_point..candidate_point)
2315 .map(|excerpt| excerpt.id());
2316 // move to other row if different excerpt
2317 if excerpt_id != candidate_excerpt_id {
2318 return false;
2319 }
2320 }
2321 let line_indent = snapshot
2322 .display_snapshot
2323 .buffer_snapshot
2324 .line_indent_for_row(MultiBufferRow(row_candidate));
2325 // use this row if it's blank
2326 if line_indent.is_line_blank() {
2327 true
2328 } else {
2329 // use this row if code starts after slot
2330 let indent_size = snapshot
2331 .display_snapshot
2332 .buffer_snapshot
2333 .indent_size_for_line(MultiBufferRow(row_candidate));
2334 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2335 }
2336 };
2337
2338 let new_buffer_row = if is_valid_row(buffer_point.row) {
2339 Some(buffer_point.row)
2340 } else {
2341 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2342 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2343 let row_above = buffer_point.row.saturating_sub(offset);
2344 let row_below = buffer_point.row + offset;
2345 if row_above != buffer_point.row && is_valid_row(row_above) {
2346 Some(row_above)
2347 } else if row_below <= max_row && is_valid_row(row_below) {
2348 Some(row_below)
2349 } else {
2350 None
2351 }
2352 })
2353 }?;
2354
2355 let new_display_row = snapshot
2356 .display_snapshot
2357 .point_to_display_point(
2358 Point {
2359 row: new_buffer_row,
2360 column: buffer_point.column,
2361 },
2362 text::Bias::Left,
2363 )
2364 .row();
2365
2366 let start_y = content_origin.y
2367 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2368 + (line_height / 2.0)
2369 - (icon_size.square(window, cx) / 2.);
2370 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2371
2372 let absolute_offset = gpui::point(start_x, start_y);
2373 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2374 button.prepaint_as_root(
2375 absolute_offset,
2376 gpui::AvailableSpace::min_size(),
2377 window,
2378 cx,
2379 );
2380 Some(button)
2381 }
2382
2383 fn layout_inline_blame(
2384 &self,
2385 display_row: DisplayRow,
2386 row_info: &RowInfo,
2387 line_layout: &LineWithInvisibles,
2388 crease_trailer: Option<&CreaseTrailerLayout>,
2389 em_width: Pixels,
2390 content_origin: gpui::Point<Pixels>,
2391 scroll_pixel_position: gpui::Point<Pixels>,
2392 line_height: Pixels,
2393 text_hitbox: &Hitbox,
2394 window: &mut Window,
2395 cx: &mut App,
2396 ) -> Option<InlineBlameLayout> {
2397 if !self
2398 .editor
2399 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2400 {
2401 return None;
2402 }
2403
2404 let editor = self.editor.read(cx);
2405 let blame = editor.blame.clone()?;
2406 let padding = {
2407 const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 6.;
2408 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2409
2410 let mut padding = INLINE_BLAME_PADDING_EM_WIDTHS;
2411
2412 if let Some(inline_completion) = editor.active_inline_completion.as_ref() {
2413 match &inline_completion.completion {
2414 InlineCompletion::Edit {
2415 display_mode: EditDisplayMode::TabAccept,
2416 ..
2417 } => padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS,
2418 _ => {}
2419 }
2420 }
2421
2422 padding * em_width
2423 };
2424
2425 let entry = blame
2426 .update(cx, |blame, cx| {
2427 blame.blame_for_rows(&[*row_info], cx).next()
2428 })
2429 .flatten()?;
2430
2431 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2432
2433 let start_y = content_origin.y
2434 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2435
2436 let start_x = {
2437 let line_end = if let Some(crease_trailer) = crease_trailer {
2438 crease_trailer.bounds.right()
2439 } else {
2440 content_origin.x - scroll_pixel_position.x + line_layout.width
2441 };
2442
2443 let padded_line_end = line_end + padding;
2444
2445 let min_column_in_pixels = ProjectSettings::get_global(cx)
2446 .git
2447 .inline_blame
2448 .and_then(|settings| settings.min_column)
2449 .map(|col| self.column_pixels(col as usize, window))
2450 .unwrap_or(px(0.));
2451 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2452
2453 cmp::max(padded_line_end, min_start)
2454 };
2455
2456 let absolute_offset = point(start_x, start_y);
2457 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2458 let bounds = Bounds::new(absolute_offset, size);
2459
2460 self.layout_blame_entry_popover(entry.clone(), blame, line_height, text_hitbox, window, cx);
2461
2462 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2463
2464 Some(InlineBlameLayout {
2465 element,
2466 bounds,
2467 entry,
2468 })
2469 }
2470
2471 fn layout_blame_entry_popover(
2472 &self,
2473 blame_entry: BlameEntry,
2474 blame: Entity<GitBlame>,
2475 line_height: Pixels,
2476 text_hitbox: &Hitbox,
2477 window: &mut Window,
2478 cx: &mut App,
2479 ) {
2480 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2481 editor
2482 .inline_blame_popover
2483 .as_ref()
2484 .map(|state| (state.popover_state.clone(), state.position))
2485 }) else {
2486 return;
2487 };
2488
2489 let workspace = self
2490 .editor
2491 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2492
2493 let maybe_element = workspace.and_then(|workspace| {
2494 render_blame_entry_popover(
2495 blame_entry,
2496 popover_state.scroll_handle,
2497 popover_state.commit_message,
2498 popover_state.markdown,
2499 workspace,
2500 &blame,
2501 window,
2502 cx,
2503 )
2504 });
2505
2506 if let Some(mut element) = maybe_element {
2507 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2508 let overall_height = size.height + HOVER_POPOVER_GAP;
2509 let popover_origin = if target_point.y > overall_height {
2510 point(target_point.x, target_point.y - size.height)
2511 } else {
2512 point(
2513 target_point.x,
2514 target_point.y + line_height + HOVER_POPOVER_GAP,
2515 )
2516 };
2517
2518 let horizontal_offset = (text_hitbox.top_right().x
2519 - POPOVER_RIGHT_OFFSET
2520 - (popover_origin.x + size.width))
2521 .min(Pixels::ZERO);
2522
2523 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2524 let popover_bounds = Bounds::new(origin, size);
2525
2526 self.editor.update(cx, |editor, _| {
2527 if let Some(state) = &mut editor.inline_blame_popover {
2528 state.popover_bounds = Some(popover_bounds);
2529 }
2530 });
2531
2532 window.defer_draw(element, origin, 2);
2533 }
2534 }
2535
2536 fn layout_blame_entries(
2537 &self,
2538 buffer_rows: &[RowInfo],
2539 em_width: Pixels,
2540 scroll_position: gpui::Point<f32>,
2541 line_height: Pixels,
2542 gutter_hitbox: &Hitbox,
2543 max_width: Option<Pixels>,
2544 window: &mut Window,
2545 cx: &mut App,
2546 ) -> Option<Vec<AnyElement>> {
2547 if !self
2548 .editor
2549 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2550 {
2551 return None;
2552 }
2553
2554 let blame = self.editor.read(cx).blame.clone()?;
2555 let workspace = self.editor.read(cx).workspace()?;
2556 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2557 blame.blame_for_rows(buffer_rows, cx).collect()
2558 });
2559
2560 let width = if let Some(max_width) = max_width {
2561 AvailableSpace::Definite(max_width)
2562 } else {
2563 AvailableSpace::MaxContent
2564 };
2565 let scroll_top = scroll_position.y * line_height;
2566 let start_x = em_width;
2567
2568 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2569 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2570
2571 let shaped_lines = blamed_rows
2572 .into_iter()
2573 .enumerate()
2574 .flat_map(|(ix, blame_entry)| {
2575 let mut element = render_blame_entry(
2576 ix,
2577 &blame,
2578 blame_entry?,
2579 &self.style,
2580 &mut last_used_color,
2581 self.editor.clone(),
2582 workspace.clone(),
2583 blame_renderer.clone(),
2584 cx,
2585 )?;
2586
2587 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2588 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2589
2590 element.prepaint_as_root(
2591 absolute_offset,
2592 size(width, AvailableSpace::MinContent),
2593 window,
2594 cx,
2595 );
2596
2597 Some(element)
2598 })
2599 .collect();
2600
2601 Some(shaped_lines)
2602 }
2603
2604 fn layout_indent_guides(
2605 &self,
2606 content_origin: gpui::Point<Pixels>,
2607 text_origin: gpui::Point<Pixels>,
2608 visible_buffer_range: Range<MultiBufferRow>,
2609 scroll_pixel_position: gpui::Point<Pixels>,
2610 line_height: Pixels,
2611 snapshot: &DisplaySnapshot,
2612 window: &mut Window,
2613 cx: &mut App,
2614 ) -> Option<Vec<IndentGuideLayout>> {
2615 if self.editor.read(cx).mode().is_minimap() {
2616 return None;
2617 }
2618 let indent_guides = self.editor.update(cx, |editor, cx| {
2619 editor.indent_guides(visible_buffer_range, snapshot, cx)
2620 })?;
2621
2622 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2623 editor
2624 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2625 .unwrap_or_default()
2626 });
2627
2628 Some(
2629 indent_guides
2630 .into_iter()
2631 .enumerate()
2632 .filter_map(|(i, indent_guide)| {
2633 let single_indent_width =
2634 self.column_pixels(indent_guide.tab_size as usize, window);
2635 let total_width = single_indent_width * indent_guide.depth as f32;
2636 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2637 if start_x >= text_origin.x {
2638 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2639 indent_guide.start_row..indent_guide.end_row,
2640 line_height,
2641 snapshot,
2642 );
2643
2644 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2645
2646 Some(IndentGuideLayout {
2647 origin: point(start_x, start_y),
2648 length,
2649 single_indent_width,
2650 depth: indent_guide.depth,
2651 active: active_indent_guide_indices.contains(&i),
2652 settings: indent_guide.settings,
2653 })
2654 } else {
2655 None
2656 }
2657 })
2658 .collect(),
2659 )
2660 }
2661
2662 fn layout_wrap_guides(
2663 &self,
2664 em_advance: Pixels,
2665 scroll_position: gpui::Point<f32>,
2666 content_origin: gpui::Point<Pixels>,
2667 scrollbar_layout: Option<&EditorScrollbars>,
2668 vertical_scrollbar_width: Pixels,
2669 hitbox: &Hitbox,
2670 window: &Window,
2671 cx: &App,
2672 ) -> SmallVec<[(Pixels, bool); 2]> {
2673 let scroll_left = scroll_position.x * em_advance;
2674 let content_origin = content_origin.x;
2675 let horizontal_offset = content_origin - scroll_left;
2676 let vertical_scrollbar_width = scrollbar_layout
2677 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2678 .unwrap_or_default();
2679
2680 self.editor
2681 .read(cx)
2682 .wrap_guides(cx)
2683 .into_iter()
2684 .flat_map(|(guide, active)| {
2685 let wrap_position = self.column_pixels(guide, window);
2686 let wrap_guide_x = wrap_position + horizontal_offset;
2687 let display_wrap_guide = wrap_guide_x >= content_origin
2688 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2689
2690 display_wrap_guide.then_some((wrap_guide_x, active))
2691 })
2692 .collect()
2693 }
2694
2695 fn calculate_indent_guide_bounds(
2696 row_range: Range<MultiBufferRow>,
2697 line_height: Pixels,
2698 snapshot: &DisplaySnapshot,
2699 ) -> (gpui::Pixels, gpui::Pixels) {
2700 let start_point = Point::new(row_range.start.0, 0);
2701 let end_point = Point::new(row_range.end.0, 0);
2702
2703 let row_range = start_point.to_display_point(snapshot).row()
2704 ..end_point.to_display_point(snapshot).row();
2705
2706 let mut prev_line = start_point;
2707 prev_line.row = prev_line.row.saturating_sub(1);
2708 let prev_line = prev_line.to_display_point(snapshot).row();
2709
2710 let mut cons_line = end_point;
2711 cons_line.row += 1;
2712 let cons_line = cons_line.to_display_point(snapshot).row();
2713
2714 let mut offset_y = row_range.start.0 as f32 * line_height;
2715 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2716
2717 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2718 if row_range.end == cons_line {
2719 length += line_height;
2720 }
2721
2722 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2723 // we want to extend the indent guide to the start of the block.
2724 let mut block_height = 0;
2725 let mut block_offset = 0;
2726 let mut found_excerpt_header = false;
2727 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2728 if matches!(block, Block::ExcerptBoundary { .. }) {
2729 found_excerpt_header = true;
2730 break;
2731 }
2732 block_offset += block.height();
2733 block_height += block.height();
2734 }
2735 if !found_excerpt_header {
2736 offset_y -= block_offset as f32 * line_height;
2737 length += block_height as f32 * line_height;
2738 }
2739
2740 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2741 // we want to ensure that the indent guide stops before the excerpt header.
2742 let mut block_height = 0;
2743 let mut found_excerpt_header = false;
2744 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2745 if matches!(block, Block::ExcerptBoundary { .. }) {
2746 found_excerpt_header = true;
2747 }
2748 block_height += block.height();
2749 }
2750 if found_excerpt_header {
2751 length -= block_height as f32 * line_height;
2752 }
2753
2754 (offset_y, length)
2755 }
2756
2757 fn layout_breakpoints(
2758 &self,
2759 line_height: Pixels,
2760 range: Range<DisplayRow>,
2761 scroll_pixel_position: gpui::Point<Pixels>,
2762 gutter_dimensions: &GutterDimensions,
2763 gutter_hitbox: &Hitbox,
2764 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2765 snapshot: &EditorSnapshot,
2766 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2767 row_infos: &[RowInfo],
2768 window: &mut Window,
2769 cx: &mut App,
2770 ) -> Vec<AnyElement> {
2771 self.editor.update(cx, |editor, cx| {
2772 breakpoints
2773 .into_iter()
2774 .filter_map(|(display_row, (text_anchor, bp, state))| {
2775 if row_infos
2776 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2777 .is_some_and(|row_info| {
2778 row_info.expand_info.is_some()
2779 || row_info
2780 .diff_status
2781 .is_some_and(|status| status.is_deleted())
2782 })
2783 {
2784 return None;
2785 }
2786
2787 if range.start > display_row || range.end < display_row {
2788 return None;
2789 }
2790
2791 let row =
2792 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(&snapshot).row);
2793 if snapshot.is_line_folded(row) {
2794 return None;
2795 }
2796
2797 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2798
2799 let button = prepaint_gutter_button(
2800 button,
2801 display_row,
2802 line_height,
2803 gutter_dimensions,
2804 scroll_pixel_position,
2805 gutter_hitbox,
2806 display_hunks,
2807 window,
2808 cx,
2809 );
2810 Some(button)
2811 })
2812 .collect_vec()
2813 })
2814 }
2815
2816 #[allow(clippy::too_many_arguments)]
2817 fn layout_run_indicators(
2818 &self,
2819 line_height: Pixels,
2820 range: Range<DisplayRow>,
2821 row_infos: &[RowInfo],
2822 scroll_pixel_position: gpui::Point<Pixels>,
2823 gutter_dimensions: &GutterDimensions,
2824 gutter_hitbox: &Hitbox,
2825 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2826 snapshot: &EditorSnapshot,
2827 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2828 window: &mut Window,
2829 cx: &mut App,
2830 ) -> Vec<AnyElement> {
2831 self.editor.update(cx, |editor, cx| {
2832 let active_task_indicator_row =
2833 // TODO: add edit button on the right side of each row in the context menu
2834 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2835 deployed_from,
2836 actions,
2837 ..
2838 })) = editor.context_menu.borrow().as_ref()
2839 {
2840 actions
2841 .tasks()
2842 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2843 .or_else(|| match deployed_from {
2844 Some(CodeActionSource::Indicator(row)) => Some(*row),
2845 _ => None,
2846 })
2847 } else {
2848 None
2849 };
2850
2851 let offset_range_start =
2852 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2853
2854 let offset_range_end =
2855 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2856
2857 editor
2858 .tasks
2859 .iter()
2860 .filter_map(|(_, tasks)| {
2861 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2862 if multibuffer_point < offset_range_start
2863 || multibuffer_point > offset_range_end
2864 {
2865 return None;
2866 }
2867 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2868 let buffer_folded = snapshot
2869 .buffer_snapshot
2870 .buffer_line_for_row(multibuffer_row)
2871 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2872 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2873 .unwrap_or(false);
2874 if buffer_folded {
2875 return None;
2876 }
2877
2878 if snapshot.is_line_folded(multibuffer_row) {
2879 // Skip folded indicators, unless it's the starting line of a fold.
2880 if multibuffer_row
2881 .0
2882 .checked_sub(1)
2883 .map_or(false, |previous_row| {
2884 snapshot.is_line_folded(MultiBufferRow(previous_row))
2885 })
2886 {
2887 return None;
2888 }
2889 }
2890
2891 let display_row = multibuffer_point.to_display_point(snapshot).row();
2892 if !range.contains(&display_row) {
2893 return None;
2894 }
2895 if row_infos
2896 .get((display_row - range.start).0 as usize)
2897 .is_some_and(|row_info| row_info.expand_info.is_some())
2898 {
2899 return None;
2900 }
2901
2902 let button = editor.render_run_indicator(
2903 &self.style,
2904 Some(display_row) == active_task_indicator_row,
2905 display_row,
2906 breakpoints.remove(&display_row),
2907 cx,
2908 );
2909
2910 let button = prepaint_gutter_button(
2911 button,
2912 display_row,
2913 line_height,
2914 gutter_dimensions,
2915 scroll_pixel_position,
2916 gutter_hitbox,
2917 display_hunks,
2918 window,
2919 cx,
2920 );
2921 Some(button)
2922 })
2923 .collect_vec()
2924 })
2925 }
2926
2927 fn layout_expand_toggles(
2928 &self,
2929 gutter_hitbox: &Hitbox,
2930 gutter_dimensions: GutterDimensions,
2931 em_width: Pixels,
2932 line_height: Pixels,
2933 scroll_position: gpui::Point<f32>,
2934 buffer_rows: &[RowInfo],
2935 window: &mut Window,
2936 cx: &mut App,
2937 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2938 if self.editor.read(cx).disable_expand_excerpt_buttons {
2939 return vec![];
2940 }
2941
2942 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2943
2944 let scroll_top = scroll_position.y * line_height;
2945
2946 let max_line_number_length = self
2947 .editor
2948 .read(cx)
2949 .buffer()
2950 .read(cx)
2951 .snapshot(cx)
2952 .widest_line_number()
2953 .ilog10()
2954 + 1;
2955
2956 let elements = buffer_rows
2957 .into_iter()
2958 .enumerate()
2959 .map(|(ix, row_info)| {
2960 let ExpandInfo {
2961 excerpt_id,
2962 direction,
2963 } = row_info.expand_info?;
2964
2965 let icon_name = match direction {
2966 ExpandExcerptDirection::Up => IconName::ExpandUp,
2967 ExpandExcerptDirection::Down => IconName::ExpandDown,
2968 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
2969 };
2970
2971 let git_gutter_width = Self::gutter_strip_width(line_height);
2972 let available_width = gutter_dimensions.left_padding - git_gutter_width;
2973
2974 let editor = self.editor.clone();
2975 let is_wide = max_line_number_length
2976 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
2977 && row_info
2978 .buffer_row
2979 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
2980 || gutter_dimensions.right_padding == px(0.);
2981
2982 let width = if is_wide {
2983 available_width - px(2.)
2984 } else {
2985 available_width + em_width - px(2.)
2986 };
2987
2988 let toggle = IconButton::new(("expand", ix), icon_name)
2989 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
2990 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
2991 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
2992 .width(width.into())
2993 .on_click(move |_, window, cx| {
2994 editor.update(cx, |editor, cx| {
2995 editor.expand_excerpt(excerpt_id, direction, window, cx);
2996 });
2997 })
2998 .tooltip(Tooltip::for_action_title(
2999 "Expand Excerpt",
3000 &crate::actions::ExpandExcerpts::default(),
3001 ))
3002 .into_any_element();
3003
3004 let position = point(
3005 git_gutter_width + px(1.),
3006 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3007 );
3008 let origin = gutter_hitbox.origin + position;
3009
3010 Some((toggle, origin))
3011 })
3012 .collect();
3013
3014 elements
3015 }
3016
3017 fn calculate_relative_line_numbers(
3018 &self,
3019 snapshot: &EditorSnapshot,
3020 rows: &Range<DisplayRow>,
3021 relative_to: Option<DisplayRow>,
3022 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3023 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3024 let Some(relative_to) = relative_to else {
3025 return relative_rows;
3026 };
3027
3028 let start = rows.start.min(relative_to);
3029 let end = rows.end.max(relative_to);
3030
3031 let buffer_rows = snapshot
3032 .row_infos(start)
3033 .take(1 + end.minus(start) as usize)
3034 .collect::<Vec<_>>();
3035
3036 let head_idx = relative_to.minus(start);
3037 let mut delta = 1;
3038 let mut i = head_idx + 1;
3039 while i < buffer_rows.len() as u32 {
3040 if buffer_rows[i as usize].buffer_row.is_some() {
3041 if rows.contains(&DisplayRow(i + start.0)) {
3042 relative_rows.insert(DisplayRow(i + start.0), delta);
3043 }
3044 delta += 1;
3045 }
3046 i += 1;
3047 }
3048 delta = 1;
3049 i = head_idx.min(buffer_rows.len() as u32 - 1);
3050 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3051 i -= 1;
3052 }
3053
3054 while i > 0 {
3055 i -= 1;
3056 if buffer_rows[i as usize].buffer_row.is_some() {
3057 if rows.contains(&DisplayRow(i + start.0)) {
3058 relative_rows.insert(DisplayRow(i + start.0), delta);
3059 }
3060 delta += 1;
3061 }
3062 }
3063
3064 relative_rows
3065 }
3066
3067 fn layout_line_numbers(
3068 &self,
3069 gutter_hitbox: Option<&Hitbox>,
3070 gutter_dimensions: GutterDimensions,
3071 line_height: Pixels,
3072 scroll_position: gpui::Point<f32>,
3073 rows: Range<DisplayRow>,
3074 buffer_rows: &[RowInfo],
3075 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3076 newest_selection_head: Option<DisplayPoint>,
3077 snapshot: &EditorSnapshot,
3078 window: &mut Window,
3079 cx: &mut App,
3080 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3081 let include_line_numbers = snapshot.show_line_numbers.unwrap_or_else(|| {
3082 EditorSettings::get_global(cx).gutter.line_numbers && snapshot.mode.is_full()
3083 });
3084 if !include_line_numbers {
3085 return Arc::default();
3086 }
3087
3088 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3089 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3090 let newest = editor.selections.newest::<Point>(cx);
3091 SelectionLayout::new(
3092 newest,
3093 editor.selections.line_mode,
3094 editor.cursor_shape,
3095 &snapshot.display_snapshot,
3096 true,
3097 true,
3098 None,
3099 )
3100 .head
3101 });
3102 let is_relative = editor.should_use_relative_line_numbers(cx);
3103 (newest_selection_head, is_relative)
3104 });
3105
3106 let relative_to = if is_relative {
3107 Some(newest_selection_head.row())
3108 } else {
3109 None
3110 };
3111 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3112 let mut line_number = String::new();
3113 let line_numbers = buffer_rows
3114 .into_iter()
3115 .enumerate()
3116 .flat_map(|(ix, row_info)| {
3117 let display_row = DisplayRow(rows.start.0 + ix as u32);
3118 line_number.clear();
3119 let non_relative_number = row_info.buffer_row? + 1;
3120 let number = relative_rows
3121 .get(&display_row)
3122 .unwrap_or(&non_relative_number);
3123 write!(&mut line_number, "{number}").unwrap();
3124 if row_info
3125 .diff_status
3126 .is_some_and(|status| status.is_deleted())
3127 {
3128 return None;
3129 }
3130
3131 let color = active_rows
3132 .get(&display_row)
3133 .map(|spec| {
3134 if spec.breakpoint {
3135 cx.theme().colors().debugger_accent
3136 } else {
3137 cx.theme().colors().editor_active_line_number
3138 }
3139 })
3140 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3141 let shaped_line =
3142 self.shape_line_number(SharedString::from(&line_number), color, window);
3143 let scroll_top = scroll_position.y * line_height;
3144 let line_origin = gutter_hitbox.map(|hitbox| {
3145 hitbox.origin
3146 + point(
3147 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3148 ix as f32 * line_height - (scroll_top % line_height),
3149 )
3150 });
3151
3152 #[cfg(not(test))]
3153 let hitbox = line_origin.map(|line_origin| {
3154 window.insert_hitbox(
3155 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3156 HitboxBehavior::Normal,
3157 )
3158 });
3159 #[cfg(test)]
3160 let hitbox = {
3161 let _ = line_origin;
3162 None
3163 };
3164
3165 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3166 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3167 let line_number = LineNumberLayout {
3168 shaped_line,
3169 hitbox,
3170 };
3171 Some((multi_buffer_row, line_number))
3172 })
3173 .collect();
3174 Arc::new(line_numbers)
3175 }
3176
3177 fn layout_crease_toggles(
3178 &self,
3179 rows: Range<DisplayRow>,
3180 row_infos: &[RowInfo],
3181 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3182 snapshot: &EditorSnapshot,
3183 window: &mut Window,
3184 cx: &mut App,
3185 ) -> Vec<Option<AnyElement>> {
3186 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3187 && snapshot.mode.is_full()
3188 && self.editor.read(cx).is_singleton(cx);
3189 if include_fold_statuses {
3190 row_infos
3191 .into_iter()
3192 .enumerate()
3193 .map(|(ix, info)| {
3194 if info.expand_info.is_some() {
3195 return None;
3196 }
3197 let row = info.multibuffer_row?;
3198 let display_row = DisplayRow(rows.start.0 + ix as u32);
3199 let active = active_rows.contains_key(&display_row);
3200
3201 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3202 })
3203 .collect()
3204 } else {
3205 Vec::new()
3206 }
3207 }
3208
3209 fn layout_crease_trailers(
3210 &self,
3211 buffer_rows: impl IntoIterator<Item = RowInfo>,
3212 snapshot: &EditorSnapshot,
3213 window: &mut Window,
3214 cx: &mut App,
3215 ) -> Vec<Option<AnyElement>> {
3216 buffer_rows
3217 .into_iter()
3218 .map(|row_info| {
3219 if row_info.expand_info.is_some() {
3220 return None;
3221 }
3222 if let Some(row) = row_info.multibuffer_row {
3223 snapshot.render_crease_trailer(row, window, cx)
3224 } else {
3225 None
3226 }
3227 })
3228 .collect()
3229 }
3230
3231 fn layout_lines(
3232 rows: Range<DisplayRow>,
3233 snapshot: &EditorSnapshot,
3234 style: &EditorStyle,
3235 editor_width: Pixels,
3236 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3237 window: &mut Window,
3238 cx: &mut App,
3239 ) -> Vec<LineWithInvisibles> {
3240 if rows.start >= rows.end {
3241 return Vec::new();
3242 }
3243
3244 // Show the placeholder when the editor is empty
3245 if snapshot.is_empty() {
3246 let font_size = style.text.font_size.to_pixels(window.rem_size());
3247 let placeholder_color = cx.theme().colors().text_placeholder;
3248 let placeholder_text = snapshot.placeholder_text();
3249
3250 let placeholder_lines = placeholder_text
3251 .as_ref()
3252 .map_or("", AsRef::as_ref)
3253 .split('\n')
3254 .skip(rows.start.0 as usize)
3255 .chain(iter::repeat(""))
3256 .take(rows.len());
3257 placeholder_lines
3258 .map(move |line| {
3259 let run = TextRun {
3260 len: line.len(),
3261 font: style.text.font(),
3262 color: placeholder_color,
3263 background_color: None,
3264 underline: None,
3265 strikethrough: None,
3266 };
3267 let line = window.text_system().shape_line(
3268 line.to_string().into(),
3269 font_size,
3270 &[run],
3271 None,
3272 );
3273 LineWithInvisibles {
3274 width: line.width,
3275 len: line.len,
3276 fragments: smallvec![LineFragment::Text(line)],
3277 invisibles: Vec::new(),
3278 font_size,
3279 }
3280 })
3281 .collect()
3282 } else {
3283 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3284 LineWithInvisibles::from_chunks(
3285 chunks,
3286 &style,
3287 MAX_LINE_LEN,
3288 rows.len(),
3289 &snapshot.mode,
3290 editor_width,
3291 is_row_soft_wrapped,
3292 window,
3293 cx,
3294 )
3295 }
3296 }
3297
3298 fn prepaint_lines(
3299 &self,
3300 start_row: DisplayRow,
3301 line_layouts: &mut [LineWithInvisibles],
3302 line_height: Pixels,
3303 scroll_pixel_position: gpui::Point<Pixels>,
3304 content_origin: gpui::Point<Pixels>,
3305 window: &mut Window,
3306 cx: &mut App,
3307 ) -> SmallVec<[AnyElement; 1]> {
3308 let mut line_elements = SmallVec::new();
3309 for (ix, line) in line_layouts.iter_mut().enumerate() {
3310 let row = start_row + DisplayRow(ix as u32);
3311 line.prepaint(
3312 line_height,
3313 scroll_pixel_position,
3314 row,
3315 content_origin,
3316 &mut line_elements,
3317 window,
3318 cx,
3319 );
3320 }
3321 line_elements
3322 }
3323
3324 fn render_block(
3325 &self,
3326 block: &Block,
3327 available_width: AvailableSpace,
3328 block_id: BlockId,
3329 block_row_start: DisplayRow,
3330 snapshot: &EditorSnapshot,
3331 text_x: Pixels,
3332 rows: &Range<DisplayRow>,
3333 line_layouts: &[LineWithInvisibles],
3334 editor_margins: &EditorMargins,
3335 line_height: Pixels,
3336 em_width: Pixels,
3337 text_hitbox: &Hitbox,
3338 editor_width: Pixels,
3339 scroll_width: &mut Pixels,
3340 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3341 row_block_types: &mut HashMap<DisplayRow, bool>,
3342 selections: &[Selection<Point>],
3343 selected_buffer_ids: &Vec<BufferId>,
3344 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3345 sticky_header_excerpt_id: Option<ExcerptId>,
3346 window: &mut Window,
3347 cx: &mut App,
3348 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3349 let mut x_position = None;
3350 let mut element = match block {
3351 Block::Custom(custom) => {
3352 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3353 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3354 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3355 return None;
3356 }
3357 let align_to = block_start.to_display_point(snapshot);
3358 let x_and_width = |layout: &LineWithInvisibles| {
3359 Some((
3360 text_x + layout.x_for_index(align_to.column() as usize),
3361 text_x + layout.width,
3362 ))
3363 };
3364 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3365 x_position =
3366 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3367 x_and_width(&layout)
3368 } else {
3369 x_and_width(&layout_line(
3370 align_to.row(),
3371 snapshot,
3372 &self.style,
3373 editor_width,
3374 is_row_soft_wrapped,
3375 window,
3376 cx,
3377 ))
3378 };
3379
3380 let anchor_x = x_position.unwrap().0;
3381
3382 let selected = selections
3383 .binary_search_by(|selection| {
3384 if selection.end <= block_start {
3385 Ordering::Less
3386 } else if selection.start >= block_end {
3387 Ordering::Greater
3388 } else {
3389 Ordering::Equal
3390 }
3391 })
3392 .is_ok();
3393
3394 div()
3395 .size_full()
3396 .children(
3397 (!snapshot.mode.is_minimap() || custom.render_in_minimap).then(|| {
3398 custom.render(&mut BlockContext {
3399 window,
3400 app: cx,
3401 anchor_x,
3402 margins: editor_margins,
3403 line_height,
3404 em_width,
3405 block_id,
3406 selected,
3407 max_width: text_hitbox.size.width.max(*scroll_width),
3408 editor_style: &self.style,
3409 })
3410 }),
3411 )
3412 .into_any()
3413 }
3414
3415 Block::FoldedBuffer {
3416 first_excerpt,
3417 height,
3418 ..
3419 } => {
3420 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3421 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3422
3423 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3424 result
3425 .child(self.render_buffer_header(
3426 first_excerpt,
3427 true,
3428 selected,
3429 false,
3430 jump_data,
3431 window,
3432 cx,
3433 ))
3434 .into_any_element()
3435 }
3436
3437 Block::ExcerptBoundary {
3438 excerpt,
3439 height,
3440 starts_new_buffer,
3441 ..
3442 } => {
3443 let color = cx.theme().colors().clone();
3444 let mut result = v_flex().id(block_id).w_full();
3445
3446 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3447
3448 if *starts_new_buffer {
3449 if sticky_header_excerpt_id != Some(excerpt.id) {
3450 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3451
3452 result = result.child(div().pr(editor_margins.right).child(
3453 self.render_buffer_header(
3454 excerpt, false, selected, false, jump_data, window, cx,
3455 ),
3456 ));
3457 } else {
3458 result =
3459 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3460 }
3461 } else {
3462 result = result.child(
3463 h_flex().relative().child(
3464 div()
3465 .top(line_height / 2.)
3466 .absolute()
3467 .w_full()
3468 .h_px()
3469 .bg(color.border_variant),
3470 ),
3471 );
3472 };
3473
3474 result.into_any()
3475 }
3476 };
3477
3478 // Discover the element's content height, then round up to the nearest multiple of line height.
3479 let preliminary_size = element.layout_as_root(
3480 size(available_width, AvailableSpace::MinContent),
3481 window,
3482 cx,
3483 );
3484 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3485 let final_size = if preliminary_size.height == quantized_height {
3486 preliminary_size
3487 } else {
3488 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3489 };
3490 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3491
3492 let mut row = block_row_start;
3493 let mut x_offset = px(0.);
3494 let mut is_block = true;
3495
3496 if let BlockId::Custom(custom_block_id) = block_id {
3497 if block.has_height() {
3498 if block.place_near() {
3499 if let Some((x_target, line_width)) = x_position {
3500 let margin = em_width * 2;
3501 if line_width + final_size.width + margin
3502 < editor_width + editor_margins.gutter.full_width()
3503 && !row_block_types.contains_key(&(row - 1))
3504 && element_height_in_lines == 1
3505 {
3506 x_offset = line_width + margin;
3507 row = row - 1;
3508 is_block = false;
3509 element_height_in_lines = 0;
3510 row_block_types.insert(row, is_block);
3511 } else {
3512 let max_offset = editor_width + editor_margins.gutter.full_width()
3513 - final_size.width;
3514 let min_offset = (x_target + em_width - final_size.width)
3515 .max(editor_margins.gutter.full_width());
3516 x_offset = x_target.min(max_offset).max(min_offset);
3517 }
3518 }
3519 };
3520 if element_height_in_lines != block.height() {
3521 resized_blocks.insert(custom_block_id, element_height_in_lines);
3522 }
3523 }
3524 }
3525 for i in 0..element_height_in_lines {
3526 row_block_types.insert(row + i, is_block);
3527 }
3528
3529 Some((element, final_size, row, x_offset))
3530 }
3531
3532 fn render_buffer_header(
3533 &self,
3534 for_excerpt: &ExcerptInfo,
3535 is_folded: bool,
3536 is_selected: bool,
3537 is_sticky: bool,
3538 jump_data: JumpData,
3539 window: &mut Window,
3540 cx: &mut App,
3541 ) -> Div {
3542 let editor = self.editor.read(cx);
3543 let file_status = editor
3544 .buffer
3545 .read(cx)
3546 .all_diff_hunks_expanded()
3547 .then(|| {
3548 editor
3549 .project
3550 .as_ref()?
3551 .read(cx)
3552 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3553 })
3554 .flatten();
3555
3556 let include_root = editor
3557 .project
3558 .as_ref()
3559 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3560 .unwrap_or_default();
3561 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3562 let path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3563 let filename = path
3564 .as_ref()
3565 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3566 let parent_path = path.as_ref().and_then(|path| {
3567 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3568 });
3569 let focus_handle = editor.focus_handle(cx);
3570 let colors = cx.theme().colors();
3571
3572 div()
3573 .p_1()
3574 .w_full()
3575 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3576 .child(
3577 h_flex()
3578 .size_full()
3579 .gap_2()
3580 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3581 .pl_0p5()
3582 .pr_5()
3583 .rounded_sm()
3584 .when(is_sticky, |el| el.shadow_md())
3585 .border_1()
3586 .map(|div| {
3587 let border_color = if is_selected
3588 && is_folded
3589 && focus_handle.contains_focused(window, cx)
3590 {
3591 colors.border_focused
3592 } else {
3593 colors.border
3594 };
3595 div.border_color(border_color)
3596 })
3597 .bg(colors.editor_subheader_background)
3598 .hover(|style| style.bg(colors.element_hover))
3599 .map(|header| {
3600 let editor = self.editor.clone();
3601 let buffer_id = for_excerpt.buffer_id;
3602 let toggle_chevron_icon =
3603 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3604 header.child(
3605 div()
3606 .hover(|style| style.bg(colors.element_selected))
3607 .rounded_xs()
3608 .child(
3609 ButtonLike::new("toggle-buffer-fold")
3610 .style(ui::ButtonStyle::Transparent)
3611 .height(px(28.).into())
3612 .width(px(28.).into())
3613 .children(toggle_chevron_icon)
3614 .tooltip({
3615 let focus_handle = focus_handle.clone();
3616 move |window, cx| {
3617 Tooltip::for_action_in(
3618 "Toggle Excerpt Fold",
3619 &ToggleFold,
3620 &focus_handle,
3621 window,
3622 cx,
3623 )
3624 }
3625 })
3626 .on_click(move |_, _, cx| {
3627 if is_folded {
3628 editor.update(cx, |editor, cx| {
3629 editor.unfold_buffer(buffer_id, cx);
3630 });
3631 } else {
3632 editor.update(cx, |editor, cx| {
3633 editor.fold_buffer(buffer_id, cx);
3634 });
3635 }
3636 }),
3637 ),
3638 )
3639 })
3640 .children(
3641 editor
3642 .addons
3643 .values()
3644 .filter_map(|addon| {
3645 addon.render_buffer_header_controls(for_excerpt, window, cx)
3646 })
3647 .take(1),
3648 )
3649 .child(
3650 h_flex()
3651 .cursor_pointer()
3652 .id("path header block")
3653 .size_full()
3654 .justify_between()
3655 .child(
3656 h_flex()
3657 .gap_2()
3658 .child(
3659 Label::new(
3660 filename
3661 .map(SharedString::from)
3662 .unwrap_or_else(|| "untitled".into()),
3663 )
3664 .single_line()
3665 .when_some(
3666 file_status,
3667 |el, status| {
3668 el.color(if status.is_conflicted() {
3669 Color::Conflict
3670 } else if status.is_modified() {
3671 Color::Modified
3672 } else if status.is_deleted() {
3673 Color::Disabled
3674 } else {
3675 Color::Created
3676 })
3677 .when(status.is_deleted(), |el| el.strikethrough())
3678 },
3679 ),
3680 )
3681 .when_some(parent_path, |then, path| {
3682 then.child(div().child(path).text_color(
3683 if file_status.is_some_and(FileStatus::is_deleted) {
3684 colors.text_disabled
3685 } else {
3686 colors.text_muted
3687 },
3688 ))
3689 }),
3690 )
3691 .when(can_open_excerpts && is_selected && path.is_some(), |el| {
3692 el.child(
3693 h_flex()
3694 .id("jump-to-file-button")
3695 .gap_2p5()
3696 .child(Label::new("Jump To File"))
3697 .children(
3698 KeyBinding::for_action_in(
3699 &OpenExcerpts,
3700 &focus_handle,
3701 window,
3702 cx,
3703 )
3704 .map(|binding| binding.into_any_element()),
3705 ),
3706 )
3707 })
3708 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3709 .on_click(window.listener_for(&self.editor, {
3710 move |editor, e: &ClickEvent, window, cx| {
3711 editor.open_excerpts_common(
3712 Some(jump_data.clone()),
3713 e.down.modifiers.secondary(),
3714 window,
3715 cx,
3716 );
3717 }
3718 })),
3719 ),
3720 )
3721 }
3722
3723 fn render_blocks(
3724 &self,
3725 rows: Range<DisplayRow>,
3726 snapshot: &EditorSnapshot,
3727 hitbox: &Hitbox,
3728 text_hitbox: &Hitbox,
3729 editor_width: Pixels,
3730 scroll_width: &mut Pixels,
3731 editor_margins: &EditorMargins,
3732 em_width: Pixels,
3733 text_x: Pixels,
3734 line_height: Pixels,
3735 line_layouts: &mut [LineWithInvisibles],
3736 selections: &[Selection<Point>],
3737 selected_buffer_ids: &Vec<BufferId>,
3738 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3739 sticky_header_excerpt_id: Option<ExcerptId>,
3740 window: &mut Window,
3741 cx: &mut App,
3742 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
3743 let (fixed_blocks, non_fixed_blocks) = snapshot
3744 .blocks_in_range(rows.clone())
3745 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
3746
3747 let mut focused_block = self
3748 .editor
3749 .update(cx, |editor, _| editor.take_focused_block());
3750 let mut fixed_block_max_width = Pixels::ZERO;
3751 let mut blocks = Vec::new();
3752 let mut resized_blocks = HashMap::default();
3753 let mut row_block_types = HashMap::default();
3754
3755 for (row, block) in fixed_blocks {
3756 let block_id = block.id();
3757
3758 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3759 focused_block = None;
3760 }
3761
3762 if let Some((element, element_size, row, x_offset)) = self.render_block(
3763 block,
3764 AvailableSpace::MinContent,
3765 block_id,
3766 row,
3767 snapshot,
3768 text_x,
3769 &rows,
3770 line_layouts,
3771 editor_margins,
3772 line_height,
3773 em_width,
3774 text_hitbox,
3775 editor_width,
3776 scroll_width,
3777 &mut resized_blocks,
3778 &mut row_block_types,
3779 selections,
3780 selected_buffer_ids,
3781 is_row_soft_wrapped,
3782 sticky_header_excerpt_id,
3783 window,
3784 cx,
3785 ) {
3786 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
3787 blocks.push(BlockLayout {
3788 id: block_id,
3789 x_offset,
3790 row: Some(row),
3791 element,
3792 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
3793 style: BlockStyle::Fixed,
3794 overlaps_gutter: true,
3795 is_buffer_header: block.is_buffer_header(),
3796 });
3797 }
3798 }
3799
3800 for (row, block) in non_fixed_blocks {
3801 let style = block.style();
3802 let width = match (style, block.place_near()) {
3803 (_, true) => AvailableSpace::MinContent,
3804 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
3805 (BlockStyle::Flex, _) => hitbox
3806 .size
3807 .width
3808 .max(fixed_block_max_width)
3809 .max(editor_margins.gutter.width + *scroll_width)
3810 .into(),
3811 (BlockStyle::Fixed, _) => unreachable!(),
3812 };
3813 let block_id = block.id();
3814
3815 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3816 focused_block = None;
3817 }
3818
3819 if let Some((element, element_size, row, x_offset)) = self.render_block(
3820 block,
3821 width,
3822 block_id,
3823 row,
3824 snapshot,
3825 text_x,
3826 &rows,
3827 line_layouts,
3828 editor_margins,
3829 line_height,
3830 em_width,
3831 text_hitbox,
3832 editor_width,
3833 scroll_width,
3834 &mut resized_blocks,
3835 &mut row_block_types,
3836 selections,
3837 selected_buffer_ids,
3838 is_row_soft_wrapped,
3839 sticky_header_excerpt_id,
3840 window,
3841 cx,
3842 ) {
3843 blocks.push(BlockLayout {
3844 id: block_id,
3845 x_offset,
3846 row: Some(row),
3847 element,
3848 available_space: size(width, element_size.height.into()),
3849 style,
3850 overlaps_gutter: !block.place_near(),
3851 is_buffer_header: block.is_buffer_header(),
3852 });
3853 }
3854 }
3855
3856 if let Some(focused_block) = focused_block {
3857 if let Some(focus_handle) = focused_block.focus_handle.upgrade() {
3858 if focus_handle.is_focused(window) {
3859 if let Some(block) = snapshot.block_for_id(focused_block.id) {
3860 let style = block.style();
3861 let width = match style {
3862 BlockStyle::Fixed => AvailableSpace::MinContent,
3863 BlockStyle::Flex => AvailableSpace::Definite(
3864 hitbox
3865 .size
3866 .width
3867 .max(fixed_block_max_width)
3868 .max(editor_margins.gutter.width + *scroll_width),
3869 ),
3870 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
3871 };
3872
3873 if let Some((element, element_size, _, x_offset)) = self.render_block(
3874 &block,
3875 width,
3876 focused_block.id,
3877 rows.end,
3878 snapshot,
3879 text_x,
3880 &rows,
3881 line_layouts,
3882 editor_margins,
3883 line_height,
3884 em_width,
3885 text_hitbox,
3886 editor_width,
3887 scroll_width,
3888 &mut resized_blocks,
3889 &mut row_block_types,
3890 selections,
3891 selected_buffer_ids,
3892 is_row_soft_wrapped,
3893 sticky_header_excerpt_id,
3894 window,
3895 cx,
3896 ) {
3897 blocks.push(BlockLayout {
3898 id: block.id(),
3899 x_offset,
3900 row: None,
3901 element,
3902 available_space: size(width, element_size.height.into()),
3903 style,
3904 overlaps_gutter: true,
3905 is_buffer_header: block.is_buffer_header(),
3906 });
3907 }
3908 }
3909 }
3910 }
3911 }
3912
3913 if resized_blocks.is_empty() {
3914 *scroll_width =
3915 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
3916 Ok((blocks, row_block_types))
3917 } else {
3918 Err(resized_blocks)
3919 }
3920 }
3921
3922 fn layout_blocks(
3923 &self,
3924 blocks: &mut Vec<BlockLayout>,
3925 hitbox: &Hitbox,
3926 line_height: Pixels,
3927 scroll_pixel_position: gpui::Point<Pixels>,
3928 window: &mut Window,
3929 cx: &mut App,
3930 ) {
3931 for block in blocks {
3932 let mut origin = if let Some(row) = block.row {
3933 hitbox.origin
3934 + point(
3935 block.x_offset,
3936 row.as_f32() * line_height - scroll_pixel_position.y,
3937 )
3938 } else {
3939 // Position the block outside the visible area
3940 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
3941 };
3942
3943 if !matches!(block.style, BlockStyle::Sticky) {
3944 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
3945 }
3946
3947 let focus_handle =
3948 block
3949 .element
3950 .prepaint_as_root(origin, block.available_space, window, cx);
3951
3952 if let Some(focus_handle) = focus_handle {
3953 self.editor.update(cx, |editor, _cx| {
3954 editor.set_focused_block(FocusedBlock {
3955 id: block.id,
3956 focus_handle: focus_handle.downgrade(),
3957 });
3958 });
3959 }
3960 }
3961 }
3962
3963 fn layout_sticky_buffer_header(
3964 &self,
3965 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
3966 scroll_position: f32,
3967 line_height: Pixels,
3968 right_margin: Pixels,
3969 snapshot: &EditorSnapshot,
3970 hitbox: &Hitbox,
3971 selected_buffer_ids: &Vec<BufferId>,
3972 blocks: &[BlockLayout],
3973 window: &mut Window,
3974 cx: &mut App,
3975 ) -> AnyElement {
3976 let jump_data = header_jump_data(
3977 snapshot,
3978 DisplayRow(scroll_position as u32),
3979 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
3980 excerpt,
3981 );
3982
3983 let editor_bg_color = cx.theme().colors().editor_background;
3984
3985 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3986
3987 let available_width = hitbox.bounds.size.width - right_margin;
3988
3989 let mut header = v_flex()
3990 .relative()
3991 .child(
3992 div()
3993 .w(available_width)
3994 .h(FILE_HEADER_HEIGHT as f32 * line_height)
3995 .bg(linear_gradient(
3996 0.,
3997 linear_color_stop(editor_bg_color.opacity(0.), 0.),
3998 linear_color_stop(editor_bg_color, 0.6),
3999 ))
4000 .absolute()
4001 .top_0(),
4002 )
4003 .child(
4004 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4005 .into_any_element(),
4006 )
4007 .into_any_element();
4008
4009 let mut origin = hitbox.origin;
4010 // Move floating header up to avoid colliding with the next buffer header.
4011 for block in blocks.iter() {
4012 if !block.is_buffer_header {
4013 continue;
4014 }
4015
4016 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4017 continue;
4018 };
4019
4020 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4021 let offset = scroll_position - max_row as f32;
4022
4023 if offset > 0.0 {
4024 origin.y -= offset * line_height;
4025 }
4026 break;
4027 }
4028
4029 let size = size(
4030 AvailableSpace::Definite(available_width),
4031 AvailableSpace::MinContent,
4032 );
4033
4034 header.prepaint_as_root(origin, size, window, cx);
4035
4036 header
4037 }
4038
4039 fn layout_cursor_popovers(
4040 &self,
4041 line_height: Pixels,
4042 text_hitbox: &Hitbox,
4043 content_origin: gpui::Point<Pixels>,
4044 right_margin: Pixels,
4045 start_row: DisplayRow,
4046 scroll_pixel_position: gpui::Point<Pixels>,
4047 line_layouts: &[LineWithInvisibles],
4048 cursor: DisplayPoint,
4049 cursor_point: Point,
4050 style: &EditorStyle,
4051 window: &mut Window,
4052 cx: &mut App,
4053 ) -> Option<ContextMenuLayout> {
4054 let mut min_menu_height = Pixels::ZERO;
4055 let mut max_menu_height = Pixels::ZERO;
4056 let mut height_above_menu = Pixels::ZERO;
4057 let height_below_menu = Pixels::ZERO;
4058 let mut edit_prediction_popover_visible = false;
4059 let mut context_menu_visible = false;
4060 let context_menu_placement;
4061
4062 {
4063 let editor = self.editor.read(cx);
4064 if editor
4065 .edit_prediction_visible_in_cursor_popover(editor.has_active_inline_completion())
4066 {
4067 height_above_menu +=
4068 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4069 edit_prediction_popover_visible = true;
4070 }
4071
4072 if editor.context_menu_visible() {
4073 if let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin() {
4074 let (min_height_in_lines, max_height_in_lines) = editor
4075 .context_menu_options
4076 .as_ref()
4077 .map_or((3, 12), |options| {
4078 (options.min_entries_visible, options.max_entries_visible)
4079 });
4080
4081 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4082 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4083 context_menu_visible = true;
4084 }
4085 }
4086 context_menu_placement = editor
4087 .context_menu_options
4088 .as_ref()
4089 .and_then(|options| options.placement.clone());
4090 }
4091
4092 let visible = edit_prediction_popover_visible || context_menu_visible;
4093 if !visible {
4094 return None;
4095 }
4096
4097 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4098 let target_position = content_origin
4099 + gpui::Point {
4100 x: cmp::max(
4101 px(0.),
4102 cursor_row_layout.x_for_index(cursor.column() as usize)
4103 - scroll_pixel_position.x,
4104 ),
4105 y: cmp::max(
4106 px(0.),
4107 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4108 ),
4109 };
4110
4111 let viewport_bounds =
4112 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4113 right: -right_margin - MENU_GAP,
4114 ..Default::default()
4115 });
4116
4117 let min_height = height_above_menu + min_menu_height + height_below_menu;
4118 let max_height = height_above_menu + max_menu_height + height_below_menu;
4119 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4120 target_position,
4121 line_height,
4122 min_height,
4123 max_height,
4124 context_menu_placement,
4125 text_hitbox,
4126 viewport_bounds,
4127 window,
4128 cx,
4129 |height, max_width_for_stable_x, y_flipped, window, cx| {
4130 // First layout the menu to get its size - others can be at least this wide.
4131 let context_menu = if context_menu_visible {
4132 let menu_height = if y_flipped {
4133 height - height_below_menu
4134 } else {
4135 height - height_above_menu
4136 };
4137 let mut element = self
4138 .render_context_menu(line_height, menu_height, window, cx)
4139 .expect("Visible context menu should always render.");
4140 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4141 Some((CursorPopoverType::CodeContextMenu, element, size))
4142 } else {
4143 None
4144 };
4145 let min_width = context_menu
4146 .as_ref()
4147 .map_or(px(0.), |(_, _, size)| size.width);
4148 let max_width = max_width_for_stable_x.max(
4149 context_menu
4150 .as_ref()
4151 .map_or(px(0.), |(_, _, size)| size.width),
4152 );
4153
4154 let edit_prediction = if edit_prediction_popover_visible {
4155 self.editor.update(cx, move |editor, cx| {
4156 let accept_binding =
4157 editor.accept_edit_prediction_keybind(false, window, cx);
4158 let mut element = editor.render_edit_prediction_cursor_popover(
4159 min_width,
4160 max_width,
4161 cursor_point,
4162 style,
4163 accept_binding.keystroke(),
4164 window,
4165 cx,
4166 )?;
4167 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4168 Some((CursorPopoverType::EditPrediction, element, size))
4169 })
4170 } else {
4171 None
4172 };
4173 vec![edit_prediction, context_menu]
4174 .into_iter()
4175 .flatten()
4176 .collect::<Vec<_>>()
4177 },
4178 )?;
4179
4180 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4181 .iter()
4182 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4183 let last_ix = laid_out_popovers.len() - 1;
4184 let menu_is_last = menu_ix == last_ix;
4185 let first_popover_bounds = laid_out_popovers[0].1;
4186 let last_popover_bounds = laid_out_popovers[last_ix].1;
4187
4188 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4189 // right, and otherwise it goes below or to the right.
4190 let mut target_bounds = Bounds::from_corners(
4191 first_popover_bounds.origin,
4192 last_popover_bounds.bottom_right(),
4193 );
4194 target_bounds.size.width = menu_bounds.size.width;
4195
4196 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4197 // based on this is preferred for layout stability.
4198 let mut max_target_bounds = target_bounds;
4199 max_target_bounds.size.height = max_height;
4200 if y_flipped {
4201 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4202 }
4203
4204 // Add spacing around `target_bounds` and `max_target_bounds`.
4205 let mut extend_amount = Edges::all(MENU_GAP);
4206 if y_flipped {
4207 extend_amount.bottom = line_height;
4208 } else {
4209 extend_amount.top = line_height;
4210 }
4211 let target_bounds = target_bounds.extend(extend_amount);
4212 let max_target_bounds = max_target_bounds.extend(extend_amount);
4213
4214 let must_place_above_or_below =
4215 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4216 laid_out_popovers[menu_ix + 1..]
4217 .iter()
4218 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4219 } else {
4220 false
4221 };
4222
4223 let aside_bounds = self.layout_context_menu_aside(
4224 y_flipped,
4225 *menu_bounds,
4226 target_bounds,
4227 max_target_bounds,
4228 max_menu_height,
4229 must_place_above_or_below,
4230 text_hitbox,
4231 viewport_bounds,
4232 window,
4233 cx,
4234 );
4235
4236 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4237 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4238 Some(*bounds)
4239 } else {
4240 None
4241 }
4242 }) {
4243 let bounds = if let Some(aside_bounds) = aside_bounds {
4244 menu_bounds.union(&aside_bounds)
4245 } else {
4246 menu_bounds
4247 };
4248 return Some(ContextMenuLayout { y_flipped, bounds });
4249 }
4250
4251 None
4252 }
4253
4254 fn layout_gutter_menu(
4255 &self,
4256 line_height: Pixels,
4257 text_hitbox: &Hitbox,
4258 content_origin: gpui::Point<Pixels>,
4259 right_margin: Pixels,
4260 scroll_pixel_position: gpui::Point<Pixels>,
4261 gutter_overshoot: Pixels,
4262 window: &mut Window,
4263 cx: &mut App,
4264 ) {
4265 let editor = self.editor.read(cx);
4266 if !editor.context_menu_visible() {
4267 return;
4268 }
4269 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4270 editor.context_menu_origin()
4271 else {
4272 return;
4273 };
4274 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4275 // indicator than just a plain first column of the text field.
4276 let target_position = content_origin
4277 + gpui::Point {
4278 x: -gutter_overshoot,
4279 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4280 };
4281
4282 let (min_height_in_lines, max_height_in_lines) = editor
4283 .context_menu_options
4284 .as_ref()
4285 .map_or((3, 12), |options| {
4286 (options.min_entries_visible, options.max_entries_visible)
4287 });
4288
4289 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4290 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4291 let viewport_bounds =
4292 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4293 right: -right_margin - MENU_GAP,
4294 ..Default::default()
4295 });
4296 self.layout_popovers_above_or_below_line(
4297 target_position,
4298 line_height,
4299 min_height,
4300 max_height,
4301 editor
4302 .context_menu_options
4303 .as_ref()
4304 .and_then(|options| options.placement.clone()),
4305 text_hitbox,
4306 viewport_bounds,
4307 window,
4308 cx,
4309 move |height, _max_width_for_stable_x, _, window, cx| {
4310 let mut element = self
4311 .render_context_menu(line_height, height, window, cx)
4312 .expect("Visible context menu should always render.");
4313 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4314 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4315 },
4316 );
4317 }
4318
4319 fn layout_popovers_above_or_below_line(
4320 &self,
4321 target_position: gpui::Point<Pixels>,
4322 line_height: Pixels,
4323 min_height: Pixels,
4324 max_height: Pixels,
4325 placement: Option<ContextMenuPlacement>,
4326 text_hitbox: &Hitbox,
4327 viewport_bounds: Bounds<Pixels>,
4328 window: &mut Window,
4329 cx: &mut App,
4330 make_sized_popovers: impl FnOnce(
4331 Pixels,
4332 Pixels,
4333 bool,
4334 &mut Window,
4335 &mut App,
4336 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4337 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4338 let text_style = TextStyleRefinement {
4339 line_height: Some(DefiniteLength::Fraction(
4340 BufferLineHeight::Comfortable.value(),
4341 )),
4342 ..Default::default()
4343 };
4344 window.with_text_style(Some(text_style), |window| {
4345 // If the max height won't fit below and there is more space above, put it above the line.
4346 let bottom_y_when_flipped = target_position.y - line_height;
4347 let available_above = bottom_y_when_flipped - text_hitbox.top();
4348 let available_below = text_hitbox.bottom() - target_position.y;
4349 let y_overflows_below = max_height > available_below;
4350 let mut y_flipped = match placement {
4351 Some(ContextMenuPlacement::Above) => true,
4352 Some(ContextMenuPlacement::Below) => false,
4353 None => y_overflows_below && available_above > available_below,
4354 };
4355 let mut height = cmp::min(
4356 max_height,
4357 if y_flipped {
4358 available_above
4359 } else {
4360 available_below
4361 },
4362 );
4363
4364 // If the min height doesn't fit within text bounds, instead fit within the window.
4365 if height < min_height {
4366 let available_above = bottom_y_when_flipped;
4367 let available_below = viewport_bounds.bottom() - target_position.y;
4368 let (y_flipped_override, height_override) = match placement {
4369 Some(ContextMenuPlacement::Above) => {
4370 (true, cmp::min(available_above, min_height))
4371 }
4372 Some(ContextMenuPlacement::Below) => {
4373 (false, cmp::min(available_below, min_height))
4374 }
4375 None => {
4376 if available_below > min_height {
4377 (false, min_height)
4378 } else if available_above > min_height {
4379 (true, min_height)
4380 } else if available_above > available_below {
4381 (true, available_above)
4382 } else {
4383 (false, available_below)
4384 }
4385 }
4386 };
4387 y_flipped = y_flipped_override;
4388 height = height_override;
4389 }
4390
4391 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4392
4393 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4394 // for very narrow windows.
4395 let popovers =
4396 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4397 if popovers.is_empty() {
4398 return None;
4399 }
4400
4401 let max_width = popovers
4402 .iter()
4403 .map(|(_, _, size)| size.width)
4404 .max()
4405 .unwrap_or_default();
4406
4407 let mut current_position = gpui::Point {
4408 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4409 // overflow. Include space for the scrollbar.
4410 x: target_position
4411 .x
4412 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4413 y: if y_flipped {
4414 bottom_y_when_flipped
4415 } else {
4416 target_position.y
4417 },
4418 };
4419
4420 let mut laid_out_popovers = popovers
4421 .into_iter()
4422 .map(|(popover_type, element, size)| {
4423 if y_flipped {
4424 current_position.y -= size.height;
4425 }
4426 let position = current_position;
4427 window.defer_draw(element, current_position, 1);
4428 if !y_flipped {
4429 current_position.y += size.height + MENU_GAP;
4430 } else {
4431 current_position.y -= MENU_GAP;
4432 }
4433 (popover_type, Bounds::new(position, size))
4434 })
4435 .collect::<Vec<_>>();
4436
4437 if y_flipped {
4438 laid_out_popovers.reverse();
4439 }
4440
4441 Some((laid_out_popovers, y_flipped))
4442 })
4443 }
4444
4445 fn layout_context_menu_aside(
4446 &self,
4447 y_flipped: bool,
4448 menu_bounds: Bounds<Pixels>,
4449 target_bounds: Bounds<Pixels>,
4450 max_target_bounds: Bounds<Pixels>,
4451 max_height: Pixels,
4452 must_place_above_or_below: bool,
4453 text_hitbox: &Hitbox,
4454 viewport_bounds: Bounds<Pixels>,
4455 window: &mut Window,
4456 cx: &mut App,
4457 ) -> Option<Bounds<Pixels>> {
4458 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4459 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4460 && !must_place_above_or_below
4461 {
4462 let max_width = cmp::min(
4463 available_within_viewport.right - px(1.),
4464 MENU_ASIDE_MAX_WIDTH,
4465 );
4466 let mut aside = self.render_context_menu_aside(
4467 size(max_width, max_height - POPOVER_Y_PADDING),
4468 window,
4469 cx,
4470 )?;
4471 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4472 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4473 Some((aside, right_position, size))
4474 } else {
4475 let max_size = size(
4476 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4477 // won't be needed here.
4478 cmp::min(
4479 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4480 viewport_bounds.right(),
4481 ),
4482 cmp::min(
4483 max_height,
4484 cmp::max(
4485 available_within_viewport.top,
4486 available_within_viewport.bottom,
4487 ),
4488 ) - POPOVER_Y_PADDING,
4489 );
4490 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4491 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4492
4493 let top_position = point(
4494 menu_bounds.origin.x,
4495 target_bounds.top() - actual_size.height,
4496 );
4497 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4498
4499 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4500 // Prefer to fit on the same side of the line as the menu, then on the other side of
4501 // the line.
4502 if !y_flipped && wanted.height < available.bottom {
4503 Some(bottom_position)
4504 } else if !y_flipped && wanted.height < available.top {
4505 Some(top_position)
4506 } else if y_flipped && wanted.height < available.top {
4507 Some(top_position)
4508 } else if y_flipped && wanted.height < available.bottom {
4509 Some(bottom_position)
4510 } else {
4511 None
4512 }
4513 };
4514
4515 // Prefer choosing a direction using max sizes rather than actual size for stability.
4516 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4517 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4518 let aside_position = fit_within(available_within_text, wanted)
4519 // Fallback: fit max size in window.
4520 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4521 // Fallback: fit actual size in window.
4522 .or_else(|| fit_within(available_within_viewport, actual_size));
4523
4524 aside_position.map(|position| (aside, position, actual_size))
4525 };
4526
4527 // Skip drawing if it doesn't fit anywhere.
4528 if let Some((aside, position, size)) = positioned_aside {
4529 let aside_bounds = Bounds::new(position, size);
4530 window.defer_draw(aside, position, 2);
4531 return Some(aside_bounds);
4532 }
4533
4534 None
4535 }
4536
4537 fn render_context_menu(
4538 &self,
4539 line_height: Pixels,
4540 height: Pixels,
4541 window: &mut Window,
4542 cx: &mut App,
4543 ) -> Option<AnyElement> {
4544 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4545 self.editor.update(cx, |editor, cx| {
4546 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4547 })
4548 }
4549
4550 fn render_context_menu_aside(
4551 &self,
4552 max_size: Size<Pixels>,
4553 window: &mut Window,
4554 cx: &mut App,
4555 ) -> Option<AnyElement> {
4556 if max_size.width < px(100.) || max_size.height < px(12.) {
4557 None
4558 } else {
4559 self.editor.update(cx, |editor, cx| {
4560 editor.render_context_menu_aside(max_size, window, cx)
4561 })
4562 }
4563 }
4564
4565 fn layout_mouse_context_menu(
4566 &self,
4567 editor_snapshot: &EditorSnapshot,
4568 visible_range: Range<DisplayRow>,
4569 content_origin: gpui::Point<Pixels>,
4570 window: &mut Window,
4571 cx: &mut App,
4572 ) -> Option<AnyElement> {
4573 let position = self.editor.update(cx, |editor, _cx| {
4574 let visible_start_point = editor.display_to_pixel_point(
4575 DisplayPoint::new(visible_range.start, 0),
4576 editor_snapshot,
4577 window,
4578 )?;
4579 let visible_end_point = editor.display_to_pixel_point(
4580 DisplayPoint::new(visible_range.end, 0),
4581 editor_snapshot,
4582 window,
4583 )?;
4584
4585 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4586 let (source_display_point, position) = match mouse_context_menu.position {
4587 MenuPosition::PinnedToScreen(point) => (None, point),
4588 MenuPosition::PinnedToEditor { source, offset } => {
4589 let source_display_point = source.to_display_point(editor_snapshot);
4590 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4591 let position = content_origin + source_point + offset;
4592 (Some(source_display_point), position)
4593 }
4594 };
4595
4596 let source_included = source_display_point.map_or(true, |source_display_point| {
4597 visible_range
4598 .to_inclusive()
4599 .contains(&source_display_point.row())
4600 });
4601 let position_included =
4602 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4603 if !source_included && !position_included {
4604 None
4605 } else {
4606 Some(position)
4607 }
4608 })?;
4609
4610 let text_style = TextStyleRefinement {
4611 line_height: Some(DefiniteLength::Fraction(
4612 BufferLineHeight::Comfortable.value(),
4613 )),
4614 ..Default::default()
4615 };
4616 window.with_text_style(Some(text_style), |window| {
4617 let mut element = self.editor.read_with(cx, |editor, _| {
4618 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4619 let context_menu = mouse_context_menu.context_menu.clone();
4620
4621 Some(
4622 deferred(
4623 anchored()
4624 .position(position)
4625 .child(context_menu)
4626 .anchor(Corner::TopLeft)
4627 .snap_to_window_with_margin(px(8.)),
4628 )
4629 .with_priority(1)
4630 .into_any(),
4631 )
4632 })?;
4633
4634 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4635 Some(element)
4636 })
4637 }
4638
4639 fn layout_hover_popovers(
4640 &self,
4641 snapshot: &EditorSnapshot,
4642 hitbox: &Hitbox,
4643 visible_display_row_range: Range<DisplayRow>,
4644 content_origin: gpui::Point<Pixels>,
4645 scroll_pixel_position: gpui::Point<Pixels>,
4646 line_layouts: &[LineWithInvisibles],
4647 line_height: Pixels,
4648 em_width: Pixels,
4649 context_menu_layout: Option<ContextMenuLayout>,
4650 window: &mut Window,
4651 cx: &mut App,
4652 ) {
4653 struct MeasuredHoverPopover {
4654 element: AnyElement,
4655 size: Size<Pixels>,
4656 horizontal_offset: Pixels,
4657 }
4658
4659 let max_size = size(
4660 (120. * em_width) // Default size
4661 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4662 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4663 (16. * line_height) // Default size
4664 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4665 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4666 );
4667
4668 let hover_popovers = self.editor.update(cx, |editor, cx| {
4669 editor.hover_state.render(
4670 snapshot,
4671 visible_display_row_range.clone(),
4672 max_size,
4673 window,
4674 cx,
4675 )
4676 });
4677 let Some((position, hover_popovers)) = hover_popovers else {
4678 return;
4679 };
4680
4681 // This is safe because we check on layout whether the required row is available
4682 let hovered_row_layout =
4683 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
4684
4685 // Compute Hovered Point
4686 let x =
4687 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
4688 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
4689 let hovered_point = content_origin + point(x, y);
4690
4691 let mut overall_height = Pixels::ZERO;
4692 let mut measured_hover_popovers = Vec::new();
4693 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
4694 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
4695 let horizontal_offset =
4696 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
4697 .min(Pixels::ZERO);
4698 match position {
4699 itertools::Position::Middle | itertools::Position::Last => {
4700 overall_height += HOVER_POPOVER_GAP
4701 }
4702 _ => {}
4703 }
4704 overall_height += size.height;
4705 measured_hover_popovers.push(MeasuredHoverPopover {
4706 element: hover_popover,
4707 size,
4708 horizontal_offset,
4709 });
4710 }
4711
4712 fn draw_occluder(
4713 width: Pixels,
4714 origin: gpui::Point<Pixels>,
4715 window: &mut Window,
4716 cx: &mut App,
4717 ) {
4718 let mut occlusion = div()
4719 .size_full()
4720 .occlude()
4721 .on_mouse_move(|_, _, cx| cx.stop_propagation())
4722 .into_any_element();
4723 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
4724 window.defer_draw(occlusion, origin, 2);
4725 }
4726
4727 fn place_popovers_above(
4728 hovered_point: gpui::Point<Pixels>,
4729 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4730 window: &mut Window,
4731 cx: &mut App,
4732 ) {
4733 let mut current_y = hovered_point.y;
4734 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4735 let size = popover.size;
4736 let popover_origin = point(
4737 hovered_point.x + popover.horizontal_offset,
4738 current_y - size.height,
4739 );
4740
4741 window.defer_draw(popover.element, popover_origin, 2);
4742 if position != itertools::Position::Last {
4743 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
4744 draw_occluder(size.width, origin, window, cx);
4745 }
4746
4747 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4748 }
4749 }
4750
4751 fn place_popovers_below(
4752 hovered_point: gpui::Point<Pixels>,
4753 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4754 line_height: Pixels,
4755 window: &mut Window,
4756 cx: &mut App,
4757 ) {
4758 let mut current_y = hovered_point.y + line_height;
4759 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4760 let size = popover.size;
4761 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4762
4763 window.defer_draw(popover.element, popover_origin, 2);
4764 if position != itertools::Position::Last {
4765 let origin = point(popover_origin.x, popover_origin.y + size.height);
4766 draw_occluder(size.width, origin, window, cx);
4767 }
4768
4769 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4770 }
4771 }
4772
4773 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
4774 context_menu_layout
4775 .as_ref()
4776 .map_or(false, |menu| bounds.intersects(&menu.bounds))
4777 };
4778
4779 let can_place_above = {
4780 let mut bounds_above = Vec::new();
4781 let mut current_y = hovered_point.y;
4782 for popover in &measured_hover_popovers {
4783 let size = popover.size;
4784 let popover_origin = point(
4785 hovered_point.x + popover.horizontal_offset,
4786 current_y - size.height,
4787 );
4788 bounds_above.push(Bounds::new(popover_origin, size));
4789 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4790 }
4791 bounds_above
4792 .iter()
4793 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4794 };
4795
4796 let can_place_below = || {
4797 let mut bounds_below = Vec::new();
4798 let mut current_y = hovered_point.y + line_height;
4799 for popover in &measured_hover_popovers {
4800 let size = popover.size;
4801 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4802 bounds_below.push(Bounds::new(popover_origin, size));
4803 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4804 }
4805 bounds_below
4806 .iter()
4807 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4808 };
4809
4810 if can_place_above {
4811 // try placing above hovered point
4812 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4813 } else if can_place_below() {
4814 // try placing below hovered point
4815 place_popovers_below(
4816 hovered_point,
4817 measured_hover_popovers,
4818 line_height,
4819 window,
4820 cx,
4821 );
4822 } else {
4823 // try to place popovers around the context menu
4824 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
4825 let total_width = measured_hover_popovers
4826 .iter()
4827 .map(|p| p.size.width)
4828 .max()
4829 .unwrap_or(Pixels::ZERO);
4830 let y_for_horizontal_positioning = if menu.y_flipped {
4831 menu.bounds.bottom() - overall_height
4832 } else {
4833 menu.bounds.top()
4834 };
4835 let possible_origins = vec![
4836 // left of context menu
4837 point(
4838 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
4839 y_for_horizontal_positioning,
4840 ),
4841 // right of context menu
4842 point(
4843 menu.bounds.right() + HOVER_POPOVER_GAP,
4844 y_for_horizontal_positioning,
4845 ),
4846 // top of context menu
4847 point(
4848 menu.bounds.left(),
4849 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
4850 ),
4851 // bottom of context menu
4852 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
4853 ];
4854 possible_origins.into_iter().find(|&origin| {
4855 Bounds::new(origin, size(total_width, overall_height))
4856 .is_contained_within(hitbox)
4857 })
4858 });
4859 if let Some(origin) = origin_surrounding_menu {
4860 let mut current_y = origin.y;
4861 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4862 let size = popover.size;
4863 let popover_origin = point(origin.x, current_y);
4864
4865 window.defer_draw(popover.element, popover_origin, 2);
4866 if position != itertools::Position::Last {
4867 let origin = point(popover_origin.x, popover_origin.y + size.height);
4868 draw_occluder(size.width, origin, window, cx);
4869 }
4870
4871 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4872 }
4873 } else {
4874 // fallback to existing above/below cursor logic
4875 // this might overlap menu or overflow in rare case
4876 if can_place_above {
4877 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4878 } else {
4879 place_popovers_below(
4880 hovered_point,
4881 measured_hover_popovers,
4882 line_height,
4883 window,
4884 cx,
4885 );
4886 }
4887 }
4888 }
4889 }
4890
4891 fn layout_diff_hunk_controls(
4892 &self,
4893 row_range: Range<DisplayRow>,
4894 row_infos: &[RowInfo],
4895 text_hitbox: &Hitbox,
4896 newest_cursor_position: Option<DisplayPoint>,
4897 line_height: Pixels,
4898 right_margin: Pixels,
4899 scroll_pixel_position: gpui::Point<Pixels>,
4900 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
4901 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
4902 editor: Entity<Editor>,
4903 window: &mut Window,
4904 cx: &mut App,
4905 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
4906 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
4907 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
4908
4909 let mut controls = vec![];
4910 let mut control_bounds = vec![];
4911
4912 let active_positions = [
4913 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
4914 newest_cursor_position,
4915 ];
4916
4917 for (hunk, _) in display_hunks {
4918 if let DisplayDiffHunk::Unfolded {
4919 display_row_range,
4920 multi_buffer_range,
4921 status,
4922 is_created_file,
4923 ..
4924 } = &hunk
4925 {
4926 if display_row_range.start < row_range.start
4927 || display_row_range.start >= row_range.end
4928 {
4929 continue;
4930 }
4931 if highlighted_rows
4932 .get(&display_row_range.start)
4933 .and_then(|highlight| highlight.type_id)
4934 .is_some_and(|type_id| {
4935 [
4936 TypeId::of::<ConflictsOuter>(),
4937 TypeId::of::<ConflictsOursMarker>(),
4938 TypeId::of::<ConflictsOurs>(),
4939 TypeId::of::<ConflictsTheirs>(),
4940 TypeId::of::<ConflictsTheirsMarker>(),
4941 ]
4942 .contains(&type_id)
4943 })
4944 {
4945 continue;
4946 }
4947 let row_ix = (display_row_range.start - row_range.start).0 as usize;
4948 if row_infos[row_ix].diff_status.is_none() {
4949 continue;
4950 }
4951 if row_infos[row_ix]
4952 .diff_status
4953 .is_some_and(|status| status.is_added())
4954 && !status.is_added()
4955 {
4956 continue;
4957 }
4958
4959 if active_positions
4960 .iter()
4961 .any(|p| p.map_or(false, |p| display_row_range.contains(&p.row())))
4962 {
4963 let y = display_row_range.start.as_f32() * line_height
4964 + text_hitbox.bounds.top()
4965 - scroll_pixel_position.y;
4966
4967 let mut element = render_diff_hunk_controls(
4968 display_row_range.start.0,
4969 status,
4970 multi_buffer_range.clone(),
4971 *is_created_file,
4972 line_height,
4973 &editor,
4974 window,
4975 cx,
4976 );
4977 let size =
4978 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
4979
4980 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
4981
4982 let bounds = Bounds::new(gpui::Point::new(x, y), size);
4983 control_bounds.push((display_row_range.start, bounds));
4984
4985 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
4986 element.prepaint(window, cx)
4987 });
4988 controls.push(element);
4989 }
4990 }
4991 }
4992
4993 (controls, control_bounds)
4994 }
4995
4996 fn layout_signature_help(
4997 &self,
4998 hitbox: &Hitbox,
4999 content_origin: gpui::Point<Pixels>,
5000 scroll_pixel_position: gpui::Point<Pixels>,
5001 newest_selection_head: Option<DisplayPoint>,
5002 start_row: DisplayRow,
5003 line_layouts: &[LineWithInvisibles],
5004 line_height: Pixels,
5005 em_width: Pixels,
5006 context_menu_layout: Option<ContextMenuLayout>,
5007 window: &mut Window,
5008 cx: &mut App,
5009 ) {
5010 if !self.editor.focus_handle(cx).is_focused(window) {
5011 return;
5012 }
5013 let Some(newest_selection_head) = newest_selection_head else {
5014 return;
5015 };
5016
5017 let max_size = size(
5018 (120. * em_width) // Default size
5019 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5020 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5021 (16. * line_height) // Default size
5022 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5023 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5024 );
5025
5026 let maybe_element = self.editor.update(cx, |editor, cx| {
5027 if let Some(popover) = editor.signature_help_state.popover_mut() {
5028 let element = popover.render(max_size, window, cx);
5029 Some(element)
5030 } else {
5031 None
5032 }
5033 });
5034 let Some(mut element) = maybe_element else {
5035 return;
5036 };
5037
5038 let selection_row = newest_selection_head.row();
5039 let Some(cursor_row_layout) = (selection_row >= start_row)
5040 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5041 .flatten()
5042 else {
5043 return;
5044 };
5045
5046 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5047 - scroll_pixel_position.x;
5048 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5049 let target_point = content_origin + point(target_x, target_y);
5050
5051 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5052
5053 let (popover_bounds_above, popover_bounds_below) = {
5054 let horizontal_offset = (hitbox.top_right().x
5055 - POPOVER_RIGHT_OFFSET
5056 - (target_point.x + actual_size.width))
5057 .min(Pixels::ZERO);
5058 let initial_x = target_point.x + horizontal_offset;
5059 (
5060 Bounds::new(
5061 point(initial_x, target_point.y - actual_size.height),
5062 actual_size,
5063 ),
5064 Bounds::new(
5065 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5066 actual_size,
5067 ),
5068 )
5069 };
5070
5071 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5072 context_menu_layout
5073 .as_ref()
5074 .map_or(false, |menu| bounds.intersects(&menu.bounds))
5075 };
5076
5077 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5078 && !intersects_menu(popover_bounds_above)
5079 {
5080 // try placing above cursor
5081 popover_bounds_above.origin
5082 } else if popover_bounds_below.is_contained_within(hitbox)
5083 && !intersects_menu(popover_bounds_below)
5084 {
5085 // try placing below cursor
5086 popover_bounds_below.origin
5087 } else {
5088 // try surrounding context menu if exists
5089 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5090 let y_for_horizontal_positioning = if menu.y_flipped {
5091 menu.bounds.bottom() - actual_size.height
5092 } else {
5093 menu.bounds.top()
5094 };
5095 let possible_origins = vec![
5096 // left of context menu
5097 point(
5098 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5099 y_for_horizontal_positioning,
5100 ),
5101 // right of context menu
5102 point(
5103 menu.bounds.right() + HOVER_POPOVER_GAP,
5104 y_for_horizontal_positioning,
5105 ),
5106 // top of context menu
5107 point(
5108 menu.bounds.left(),
5109 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5110 ),
5111 // bottom of context menu
5112 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5113 ];
5114 possible_origins
5115 .into_iter()
5116 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5117 });
5118 origin_surrounding_menu.unwrap_or_else(|| {
5119 // fallback to existing above/below cursor logic
5120 // this might overlap menu or overflow in rare case
5121 if popover_bounds_above.is_contained_within(hitbox) {
5122 popover_bounds_above.origin
5123 } else {
5124 popover_bounds_below.origin
5125 }
5126 })
5127 };
5128
5129 window.defer_draw(element, final_origin, 2);
5130 }
5131
5132 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5133 window.paint_layer(layout.hitbox.bounds, |window| {
5134 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5135 let gutter_bg = cx.theme().colors().editor_gutter_background;
5136 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5137 window.paint_quad(fill(
5138 layout.position_map.text_hitbox.bounds,
5139 self.style.background,
5140 ));
5141
5142 if matches!(
5143 layout.mode,
5144 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5145 ) {
5146 let show_active_line_background = match layout.mode {
5147 EditorMode::Full {
5148 show_active_line_background,
5149 ..
5150 } => show_active_line_background,
5151 EditorMode::Minimap { .. } => true,
5152 _ => false,
5153 };
5154 let mut active_rows = layout.active_rows.iter().peekable();
5155 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5156 let mut end_row = start_row.0;
5157 while active_rows
5158 .peek()
5159 .map_or(false, |(active_row, has_selection)| {
5160 active_row.0 == end_row + 1
5161 && has_selection.selection == contains_non_empty_selection.selection
5162 })
5163 {
5164 active_rows.next().unwrap();
5165 end_row += 1;
5166 }
5167
5168 if show_active_line_background && !contains_non_empty_selection.selection {
5169 let highlight_h_range =
5170 match layout.position_map.snapshot.current_line_highlight {
5171 CurrentLineHighlight::Gutter => Some(Range {
5172 start: layout.hitbox.left(),
5173 end: layout.gutter_hitbox.right(),
5174 }),
5175 CurrentLineHighlight::Line => Some(Range {
5176 start: layout.position_map.text_hitbox.bounds.left(),
5177 end: layout.position_map.text_hitbox.bounds.right(),
5178 }),
5179 CurrentLineHighlight::All => Some(Range {
5180 start: layout.hitbox.left(),
5181 end: layout.hitbox.right(),
5182 }),
5183 CurrentLineHighlight::None => None,
5184 };
5185 if let Some(range) = highlight_h_range {
5186 let active_line_bg = cx.theme().colors().editor_active_line_background;
5187 let bounds = Bounds {
5188 origin: point(
5189 range.start,
5190 layout.hitbox.origin.y
5191 + (start_row.as_f32() - scroll_top)
5192 * layout.position_map.line_height,
5193 ),
5194 size: size(
5195 range.end - range.start,
5196 layout.position_map.line_height
5197 * (end_row - start_row.0 + 1) as f32,
5198 ),
5199 };
5200 window.paint_quad(fill(bounds, active_line_bg));
5201 }
5202 }
5203 }
5204
5205 let mut paint_highlight = |highlight_row_start: DisplayRow,
5206 highlight_row_end: DisplayRow,
5207 highlight: crate::LineHighlight,
5208 edges| {
5209 let mut origin_x = layout.hitbox.left();
5210 let mut width = layout.hitbox.size.width;
5211 if !highlight.include_gutter {
5212 origin_x += layout.gutter_hitbox.size.width;
5213 width -= layout.gutter_hitbox.size.width;
5214 }
5215
5216 let origin = point(
5217 origin_x,
5218 layout.hitbox.origin.y
5219 + (highlight_row_start.as_f32() - scroll_top)
5220 * layout.position_map.line_height,
5221 );
5222 let size = size(
5223 width,
5224 layout.position_map.line_height
5225 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5226 );
5227 let mut quad = fill(Bounds { origin, size }, highlight.background);
5228 if let Some(border_color) = highlight.border {
5229 quad.border_color = border_color;
5230 quad.border_widths = edges
5231 }
5232 window.paint_quad(quad);
5233 };
5234
5235 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5236 None;
5237 for (&new_row, &new_background) in &layout.highlighted_rows {
5238 match &mut current_paint {
5239 &mut Some((current_background, ref mut current_range, mut edges)) => {
5240 let new_range_started = current_background != new_background
5241 || current_range.end.next_row() != new_row;
5242 if new_range_started {
5243 if current_range.end.next_row() == new_row {
5244 edges.bottom = px(0.);
5245 };
5246 paint_highlight(
5247 current_range.start,
5248 current_range.end,
5249 current_background,
5250 edges,
5251 );
5252 let edges = Edges {
5253 top: if current_range.end.next_row() != new_row {
5254 px(1.)
5255 } else {
5256 px(0.)
5257 },
5258 bottom: px(1.),
5259 ..Default::default()
5260 };
5261 current_paint = Some((new_background, new_row..new_row, edges));
5262 continue;
5263 } else {
5264 current_range.end = current_range.end.next_row();
5265 }
5266 }
5267 None => {
5268 let edges = Edges {
5269 top: px(1.),
5270 bottom: px(1.),
5271 ..Default::default()
5272 };
5273 current_paint = Some((new_background, new_row..new_row, edges))
5274 }
5275 };
5276 }
5277 if let Some((color, range, edges)) = current_paint {
5278 paint_highlight(range.start, range.end, color, edges);
5279 }
5280
5281 for (guide_x, active) in layout.wrap_guides.iter() {
5282 let color = if *active {
5283 cx.theme().colors().editor_active_wrap_guide
5284 } else {
5285 cx.theme().colors().editor_wrap_guide
5286 };
5287 window.paint_quad(fill(
5288 Bounds {
5289 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5290 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5291 },
5292 color,
5293 ));
5294 }
5295 }
5296 })
5297 }
5298
5299 fn paint_indent_guides(
5300 &mut self,
5301 layout: &mut EditorLayout,
5302 window: &mut Window,
5303 cx: &mut App,
5304 ) {
5305 let Some(indent_guides) = &layout.indent_guides else {
5306 return;
5307 };
5308
5309 let faded_color = |color: Hsla, alpha: f32| {
5310 let mut faded = color;
5311 faded.a = alpha;
5312 faded
5313 };
5314
5315 for indent_guide in indent_guides {
5316 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5317 let settings = indent_guide.settings;
5318
5319 // TODO fixed for now, expose them through themes later
5320 const INDENT_AWARE_ALPHA: f32 = 0.2;
5321 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5322 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5323 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5324
5325 let line_color = match (settings.coloring, indent_guide.active) {
5326 (IndentGuideColoring::Disabled, _) => None,
5327 (IndentGuideColoring::Fixed, false) => {
5328 Some(cx.theme().colors().editor_indent_guide)
5329 }
5330 (IndentGuideColoring::Fixed, true) => {
5331 Some(cx.theme().colors().editor_indent_guide_active)
5332 }
5333 (IndentGuideColoring::IndentAware, false) => {
5334 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5335 }
5336 (IndentGuideColoring::IndentAware, true) => {
5337 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5338 }
5339 };
5340
5341 let background_color = match (settings.background_coloring, indent_guide.active) {
5342 (IndentGuideBackgroundColoring::Disabled, _) => None,
5343 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5344 indent_accent_colors,
5345 INDENT_AWARE_BACKGROUND_ALPHA,
5346 )),
5347 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5348 indent_accent_colors,
5349 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5350 )),
5351 };
5352
5353 let requested_line_width = if indent_guide.active {
5354 settings.active_line_width
5355 } else {
5356 settings.line_width
5357 }
5358 .clamp(1, 10);
5359 let mut line_indicator_width = 0.;
5360 if let Some(color) = line_color {
5361 window.paint_quad(fill(
5362 Bounds {
5363 origin: indent_guide.origin,
5364 size: size(px(requested_line_width as f32), indent_guide.length),
5365 },
5366 color,
5367 ));
5368 line_indicator_width = requested_line_width as f32;
5369 }
5370
5371 if let Some(color) = background_color {
5372 let width = indent_guide.single_indent_width - px(line_indicator_width);
5373 window.paint_quad(fill(
5374 Bounds {
5375 origin: point(
5376 indent_guide.origin.x + px(line_indicator_width),
5377 indent_guide.origin.y,
5378 ),
5379 size: size(width, indent_guide.length),
5380 },
5381 color,
5382 ));
5383 }
5384 }
5385 }
5386
5387 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5388 let is_singleton = self.editor.read(cx).is_singleton(cx);
5389
5390 let line_height = layout.position_map.line_height;
5391 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5392
5393 for LineNumberLayout {
5394 shaped_line,
5395 hitbox,
5396 } in layout.line_numbers.values()
5397 {
5398 let Some(hitbox) = hitbox else {
5399 continue;
5400 };
5401
5402 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5403 let color = cx.theme().colors().editor_hover_line_number;
5404
5405 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5406 line.paint(hitbox.origin, line_height, window, cx).log_err()
5407 } else {
5408 shaped_line
5409 .paint(hitbox.origin, line_height, window, cx)
5410 .log_err()
5411 }) else {
5412 continue;
5413 };
5414
5415 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5416 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5417 if is_singleton {
5418 window.set_cursor_style(CursorStyle::IBeam, &hitbox);
5419 } else {
5420 window.set_cursor_style(CursorStyle::PointingHand, &hitbox);
5421 }
5422 }
5423 }
5424
5425 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5426 if layout.display_hunks.is_empty() {
5427 return;
5428 }
5429
5430 let line_height = layout.position_map.line_height;
5431 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5432 for (hunk, hitbox) in &layout.display_hunks {
5433 let hunk_to_paint = match hunk {
5434 DisplayDiffHunk::Folded { .. } => {
5435 let hunk_bounds = Self::diff_hunk_bounds(
5436 &layout.position_map.snapshot,
5437 line_height,
5438 layout.gutter_hitbox.bounds,
5439 &hunk,
5440 );
5441 Some((
5442 hunk_bounds,
5443 cx.theme().colors().version_control_modified,
5444 Corners::all(px(0.)),
5445 DiffHunkStatus::modified_none(),
5446 ))
5447 }
5448 DisplayDiffHunk::Unfolded {
5449 status,
5450 display_row_range,
5451 ..
5452 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5453 DiffHunkStatusKind::Added => (
5454 hunk_hitbox.bounds,
5455 cx.theme().colors().version_control_added,
5456 Corners::all(px(0.)),
5457 *status,
5458 ),
5459 DiffHunkStatusKind::Modified => (
5460 hunk_hitbox.bounds,
5461 cx.theme().colors().version_control_modified,
5462 Corners::all(px(0.)),
5463 *status,
5464 ),
5465 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5466 hunk_hitbox.bounds,
5467 cx.theme().colors().version_control_deleted,
5468 Corners::all(px(0.)),
5469 *status,
5470 ),
5471 DiffHunkStatusKind::Deleted => (
5472 Bounds::new(
5473 point(
5474 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5475 hunk_hitbox.origin.y,
5476 ),
5477 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5478 ),
5479 cx.theme().colors().version_control_deleted,
5480 Corners::all(1. * line_height),
5481 *status,
5482 ),
5483 }),
5484 };
5485
5486 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5487 // Flatten the background color with the editor color to prevent
5488 // elements below transparent hunks from showing through
5489 let flattened_background_color = cx
5490 .theme()
5491 .colors()
5492 .editor_background
5493 .blend(background_color);
5494
5495 if !Self::diff_hunk_hollow(status, cx) {
5496 window.paint_quad(quad(
5497 hunk_bounds,
5498 corner_radii,
5499 flattened_background_color,
5500 Edges::default(),
5501 transparent_black(),
5502 BorderStyle::default(),
5503 ));
5504 } else {
5505 let flattened_unstaged_background_color = cx
5506 .theme()
5507 .colors()
5508 .editor_background
5509 .blend(background_color.opacity(0.3));
5510
5511 window.paint_quad(quad(
5512 hunk_bounds,
5513 corner_radii,
5514 flattened_unstaged_background_color,
5515 Edges::all(Pixels(1.0)),
5516 flattened_background_color,
5517 BorderStyle::Solid,
5518 ));
5519 }
5520 }
5521 }
5522 });
5523 }
5524
5525 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5526 (0.275 * line_height).floor()
5527 }
5528
5529 fn diff_hunk_bounds(
5530 snapshot: &EditorSnapshot,
5531 line_height: Pixels,
5532 gutter_bounds: Bounds<Pixels>,
5533 hunk: &DisplayDiffHunk,
5534 ) -> Bounds<Pixels> {
5535 let scroll_position = snapshot.scroll_position();
5536 let scroll_top = scroll_position.y * line_height;
5537 let gutter_strip_width = Self::gutter_strip_width(line_height);
5538
5539 match hunk {
5540 DisplayDiffHunk::Folded { display_row, .. } => {
5541 let start_y = display_row.as_f32() * line_height - scroll_top;
5542 let end_y = start_y + line_height;
5543 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5544 let highlight_size = size(gutter_strip_width, end_y - start_y);
5545 Bounds::new(highlight_origin, highlight_size)
5546 }
5547 DisplayDiffHunk::Unfolded {
5548 display_row_range,
5549 status,
5550 ..
5551 } => {
5552 if status.is_deleted() && display_row_range.is_empty() {
5553 let row = display_row_range.start;
5554
5555 let offset = line_height / 2.;
5556 let start_y = row.as_f32() * line_height - offset - scroll_top;
5557 let end_y = start_y + line_height;
5558
5559 let width = (0.35 * line_height).floor();
5560 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5561 let highlight_size = size(width, end_y - start_y);
5562 Bounds::new(highlight_origin, highlight_size)
5563 } else {
5564 let start_row = display_row_range.start;
5565 let end_row = display_row_range.end;
5566 // If we're in a multibuffer, row range span might include an
5567 // excerpt header, so if we were to draw the marker straight away,
5568 // the hunk might include the rows of that header.
5569 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5570 // Instead, we simply check whether the range we're dealing with includes
5571 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5572 let end_row_in_current_excerpt = snapshot
5573 .blocks_in_range(start_row..end_row)
5574 .find_map(|(start_row, block)| {
5575 if matches!(block, Block::ExcerptBoundary { .. }) {
5576 Some(start_row)
5577 } else {
5578 None
5579 }
5580 })
5581 .unwrap_or(end_row);
5582
5583 let start_y = start_row.as_f32() * line_height - scroll_top;
5584 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5585
5586 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5587 let highlight_size = size(gutter_strip_width, end_y - start_y);
5588 Bounds::new(highlight_origin, highlight_size)
5589 }
5590 }
5591 }
5592 }
5593
5594 fn paint_gutter_indicators(
5595 &self,
5596 layout: &mut EditorLayout,
5597 window: &mut Window,
5598 cx: &mut App,
5599 ) {
5600 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5601 window.with_element_namespace("crease_toggles", |window| {
5602 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5603 crease_toggle.paint(window, cx);
5604 }
5605 });
5606
5607 window.with_element_namespace("expand_toggles", |window| {
5608 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5609 expand_toggle.paint(window, cx);
5610 }
5611 });
5612
5613 for breakpoint in layout.breakpoints.iter_mut() {
5614 breakpoint.paint(window, cx);
5615 }
5616
5617 for test_indicator in layout.test_indicators.iter_mut() {
5618 test_indicator.paint(window, cx);
5619 }
5620 });
5621 }
5622
5623 fn paint_gutter_highlights(
5624 &self,
5625 layout: &mut EditorLayout,
5626 window: &mut Window,
5627 cx: &mut App,
5628 ) {
5629 for (_, hunk_hitbox) in &layout.display_hunks {
5630 if let Some(hunk_hitbox) = hunk_hitbox {
5631 if !self
5632 .editor
5633 .read(cx)
5634 .buffer()
5635 .read(cx)
5636 .all_diff_hunks_expanded()
5637 {
5638 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5639 }
5640 }
5641 }
5642
5643 let show_git_gutter = layout
5644 .position_map
5645 .snapshot
5646 .show_git_diff_gutter
5647 .unwrap_or_else(|| {
5648 matches!(
5649 ProjectSettings::get_global(cx).git.git_gutter,
5650 Some(GitGutterSetting::TrackedFiles)
5651 )
5652 });
5653 if show_git_gutter {
5654 Self::paint_gutter_diff_hunks(layout, window, cx)
5655 }
5656
5657 let highlight_width = 0.275 * layout.position_map.line_height;
5658 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5659 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5660 for (range, color) in &layout.highlighted_gutter_ranges {
5661 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5662 layout.visible_display_row_range.start - DisplayRow(1)
5663 } else {
5664 range.start.row()
5665 };
5666 let end_row = if range.end.row() > layout.visible_display_row_range.end {
5667 layout.visible_display_row_range.end + DisplayRow(1)
5668 } else {
5669 range.end.row()
5670 };
5671
5672 let start_y = layout.gutter_hitbox.top()
5673 + start_row.0 as f32 * layout.position_map.line_height
5674 - layout.position_map.scroll_pixel_position.y;
5675 let end_y = layout.gutter_hitbox.top()
5676 + (end_row.0 + 1) as f32 * layout.position_map.line_height
5677 - layout.position_map.scroll_pixel_position.y;
5678 let bounds = Bounds::from_corners(
5679 point(layout.gutter_hitbox.left(), start_y),
5680 point(layout.gutter_hitbox.left() + highlight_width, end_y),
5681 );
5682 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
5683 }
5684 });
5685 }
5686
5687 fn paint_blamed_display_rows(
5688 &self,
5689 layout: &mut EditorLayout,
5690 window: &mut Window,
5691 cx: &mut App,
5692 ) {
5693 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
5694 return;
5695 };
5696
5697 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5698 for mut blame_element in blamed_display_rows.into_iter() {
5699 blame_element.paint(window, cx);
5700 }
5701 })
5702 }
5703
5704 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5705 window.with_content_mask(
5706 Some(ContentMask {
5707 bounds: layout.position_map.text_hitbox.bounds,
5708 }),
5709 |window| {
5710 let editor = self.editor.read(cx);
5711 if editor.mouse_cursor_hidden {
5712 window.set_window_cursor_style(CursorStyle::None);
5713 } else if matches!(
5714 editor.selection_drag_state,
5715 SelectionDragState::Dragging { .. }
5716 ) {
5717 window
5718 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
5719 } else if editor
5720 .hovered_link_state
5721 .as_ref()
5722 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
5723 {
5724 window.set_cursor_style(
5725 CursorStyle::PointingHand,
5726 &layout.position_map.text_hitbox,
5727 );
5728 } else {
5729 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
5730 };
5731
5732 self.paint_lines_background(layout, window, cx);
5733 let invisible_display_ranges = self.paint_highlights(layout, window);
5734 self.paint_document_colors(layout, window);
5735 self.paint_lines(&invisible_display_ranges, layout, window, cx);
5736 self.paint_redactions(layout, window);
5737 self.paint_cursors(layout, window, cx);
5738 self.paint_inline_diagnostics(layout, window, cx);
5739 self.paint_inline_blame(layout, window, cx);
5740 self.paint_inline_code_actions(layout, window, cx);
5741 self.paint_diff_hunk_controls(layout, window, cx);
5742 window.with_element_namespace("crease_trailers", |window| {
5743 for trailer in layout.crease_trailers.iter_mut().flatten() {
5744 trailer.element.paint(window, cx);
5745 }
5746 });
5747 },
5748 )
5749 }
5750
5751 fn paint_highlights(
5752 &mut self,
5753 layout: &mut EditorLayout,
5754 window: &mut Window,
5755 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
5756 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5757 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
5758 let line_end_overshoot = 0.15 * layout.position_map.line_height;
5759 for (range, color) in &layout.highlighted_ranges {
5760 self.paint_highlighted_range(
5761 range.clone(),
5762 true,
5763 *color,
5764 Pixels::ZERO,
5765 line_end_overshoot,
5766 layout,
5767 window,
5768 );
5769 }
5770
5771 let corner_radius = 0.15 * layout.position_map.line_height;
5772
5773 for (player_color, selections) in &layout.selections {
5774 for selection in selections.iter() {
5775 self.paint_highlighted_range(
5776 selection.range.clone(),
5777 true,
5778 player_color.selection,
5779 corner_radius,
5780 corner_radius * 2.,
5781 layout,
5782 window,
5783 );
5784
5785 if selection.is_local && !selection.range.is_empty() {
5786 invisible_display_ranges.push(selection.range.clone());
5787 }
5788 }
5789 }
5790 invisible_display_ranges
5791 })
5792 }
5793
5794 fn paint_lines(
5795 &mut self,
5796 invisible_display_ranges: &[Range<DisplayPoint>],
5797 layout: &mut EditorLayout,
5798 window: &mut Window,
5799 cx: &mut App,
5800 ) {
5801 let whitespace_setting = self
5802 .editor
5803 .read(cx)
5804 .buffer
5805 .read(cx)
5806 .language_settings(cx)
5807 .show_whitespaces;
5808
5809 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5810 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5811 line_with_invisibles.draw(
5812 layout,
5813 row,
5814 layout.content_origin,
5815 whitespace_setting,
5816 invisible_display_ranges,
5817 window,
5818 cx,
5819 )
5820 }
5821
5822 for line_element in &mut layout.line_elements {
5823 line_element.paint(window, cx);
5824 }
5825 }
5826
5827 fn paint_lines_background(
5828 &mut self,
5829 layout: &mut EditorLayout,
5830 window: &mut Window,
5831 cx: &mut App,
5832 ) {
5833 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5834 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5835 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
5836 }
5837 }
5838
5839 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
5840 if layout.redacted_ranges.is_empty() {
5841 return;
5842 }
5843
5844 let line_end_overshoot = layout.line_end_overshoot();
5845
5846 // A softer than perfect black
5847 let redaction_color = gpui::rgb(0x0e1111);
5848
5849 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5850 for range in layout.redacted_ranges.iter() {
5851 self.paint_highlighted_range(
5852 range.clone(),
5853 true,
5854 redaction_color.into(),
5855 Pixels::ZERO,
5856 line_end_overshoot,
5857 layout,
5858 window,
5859 );
5860 }
5861 });
5862 }
5863
5864 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
5865 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
5866 return;
5867 };
5868 if image_colors.is_empty()
5869 || colors_render_mode == &DocumentColorsRenderMode::None
5870 || colors_render_mode == &DocumentColorsRenderMode::Inlay
5871 {
5872 return;
5873 }
5874
5875 let line_end_overshoot = layout.line_end_overshoot();
5876
5877 for (range, color) in image_colors {
5878 match colors_render_mode {
5879 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
5880 DocumentColorsRenderMode::Background => {
5881 self.paint_highlighted_range(
5882 range.clone(),
5883 true,
5884 *color,
5885 Pixels::ZERO,
5886 line_end_overshoot,
5887 layout,
5888 window,
5889 );
5890 }
5891 DocumentColorsRenderMode::Border => {
5892 self.paint_highlighted_range(
5893 range.clone(),
5894 false,
5895 *color,
5896 Pixels::ZERO,
5897 line_end_overshoot,
5898 layout,
5899 window,
5900 );
5901 }
5902 }
5903 }
5904 }
5905
5906 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5907 for cursor in &mut layout.visible_cursors {
5908 cursor.paint(layout.content_origin, window, cx);
5909 }
5910 }
5911
5912 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5913 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
5914 return;
5915 };
5916 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
5917
5918 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
5919 let hitbox = &scrollbar_layout.hitbox;
5920 if scrollbars_layout.visible {
5921 let scrollbar_edges = match axis {
5922 ScrollbarAxis::Horizontal => Edges {
5923 top: Pixels::ZERO,
5924 right: Pixels::ZERO,
5925 bottom: Pixels::ZERO,
5926 left: Pixels::ZERO,
5927 },
5928 ScrollbarAxis::Vertical => Edges {
5929 top: Pixels::ZERO,
5930 right: Pixels::ZERO,
5931 bottom: Pixels::ZERO,
5932 left: ScrollbarLayout::BORDER_WIDTH,
5933 },
5934 };
5935
5936 window.paint_layer(hitbox.bounds, |window| {
5937 window.paint_quad(quad(
5938 hitbox.bounds,
5939 Corners::default(),
5940 cx.theme().colors().scrollbar_track_background,
5941 scrollbar_edges,
5942 cx.theme().colors().scrollbar_track_border,
5943 BorderStyle::Solid,
5944 ));
5945
5946 if axis == ScrollbarAxis::Vertical {
5947 let fast_markers =
5948 self.collect_fast_scrollbar_markers(layout, &scrollbar_layout, cx);
5949 // Refresh slow scrollbar markers in the background. Below, we
5950 // paint whatever markers have already been computed.
5951 self.refresh_slow_scrollbar_markers(layout, &scrollbar_layout, window, cx);
5952
5953 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
5954 for marker in markers.iter().chain(&fast_markers) {
5955 let mut marker = marker.clone();
5956 marker.bounds.origin += hitbox.origin;
5957 window.paint_quad(marker);
5958 }
5959 }
5960
5961 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
5962 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
5963 ScrollbarThumbState::Dragging => {
5964 cx.theme().colors().scrollbar_thumb_active_background
5965 }
5966 ScrollbarThumbState::Hovered => {
5967 cx.theme().colors().scrollbar_thumb_hover_background
5968 }
5969 ScrollbarThumbState::Idle => {
5970 cx.theme().colors().scrollbar_thumb_background
5971 }
5972 };
5973 window.paint_quad(quad(
5974 thumb_bounds,
5975 Corners::default(),
5976 scrollbar_thumb_color,
5977 scrollbar_edges,
5978 cx.theme().colors().scrollbar_thumb_border,
5979 BorderStyle::Solid,
5980 ));
5981
5982 if any_scrollbar_dragged {
5983 window.set_window_cursor_style(CursorStyle::Arrow);
5984 } else {
5985 window.set_cursor_style(CursorStyle::Arrow, &hitbox);
5986 }
5987 }
5988 })
5989 }
5990 }
5991
5992 window.on_mouse_event({
5993 let editor = self.editor.clone();
5994 let scrollbars_layout = scrollbars_layout.clone();
5995
5996 let mut mouse_position = window.mouse_position();
5997 move |event: &MouseMoveEvent, phase, window, cx| {
5998 if phase == DispatchPhase::Capture {
5999 return;
6000 }
6001
6002 editor.update(cx, |editor, cx| {
6003 if let Some((scrollbar_layout, axis)) = event
6004 .pressed_button
6005 .filter(|button| *button == MouseButton::Left)
6006 .and(editor.scroll_manager.dragging_scrollbar_axis())
6007 .and_then(|axis| {
6008 scrollbars_layout
6009 .iter_scrollbars()
6010 .find(|(_, a)| *a == axis)
6011 })
6012 {
6013 let ScrollbarLayout {
6014 hitbox,
6015 text_unit_size,
6016 ..
6017 } = scrollbar_layout;
6018
6019 let old_position = mouse_position.along(axis);
6020 let new_position = event.position.along(axis);
6021 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6022 .contains(&old_position)
6023 {
6024 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6025 (p + (new_position - old_position) / *text_unit_size).max(0.)
6026 });
6027 editor.set_scroll_position(position, window, cx);
6028 }
6029
6030 editor.scroll_manager.show_scrollbars(window, cx);
6031 cx.stop_propagation();
6032 } else if let Some((layout, axis)) = scrollbars_layout
6033 .get_hovered_axis(window)
6034 .filter(|_| !event.dragging())
6035 {
6036 if layout.thumb_hovered(&event.position) {
6037 editor
6038 .scroll_manager
6039 .set_hovered_scroll_thumb_axis(axis, cx);
6040 } else {
6041 editor.scroll_manager.reset_scrollbar_state(cx);
6042 }
6043
6044 editor.scroll_manager.show_scrollbars(window, cx);
6045 } else {
6046 editor.scroll_manager.reset_scrollbar_state(cx);
6047 }
6048
6049 mouse_position = event.position;
6050 })
6051 }
6052 });
6053
6054 if any_scrollbar_dragged {
6055 window.on_mouse_event({
6056 let editor = self.editor.clone();
6057 move |_: &MouseUpEvent, phase, window, cx| {
6058 if phase == DispatchPhase::Capture {
6059 return;
6060 }
6061
6062 editor.update(cx, |editor, cx| {
6063 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6064 editor
6065 .scroll_manager
6066 .set_hovered_scroll_thumb_axis(axis, cx);
6067 } else {
6068 editor.scroll_manager.reset_scrollbar_state(cx);
6069 }
6070 cx.stop_propagation();
6071 });
6072 }
6073 });
6074 } else {
6075 window.on_mouse_event({
6076 let editor = self.editor.clone();
6077
6078 move |event: &MouseDownEvent, phase, window, cx| {
6079 if phase == DispatchPhase::Capture {
6080 return;
6081 }
6082 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6083 else {
6084 return;
6085 };
6086
6087 let ScrollbarLayout {
6088 hitbox,
6089 visible_range,
6090 text_unit_size,
6091 thumb_bounds,
6092 ..
6093 } = scrollbar_layout;
6094
6095 let Some(thumb_bounds) = thumb_bounds else {
6096 return;
6097 };
6098
6099 editor.update(cx, |editor, cx| {
6100 editor
6101 .scroll_manager
6102 .set_dragged_scroll_thumb_axis(axis, cx);
6103
6104 let event_position = event.position.along(axis);
6105
6106 if event_position < thumb_bounds.origin.along(axis)
6107 || thumb_bounds.bottom_right().along(axis) < event_position
6108 {
6109 let center_position = ((event_position - hitbox.origin.along(axis))
6110 / *text_unit_size)
6111 .round() as u32;
6112 let start_position = center_position.saturating_sub(
6113 (visible_range.end - visible_range.start) as u32 / 2,
6114 );
6115
6116 let position = editor
6117 .scroll_position(cx)
6118 .apply_along(axis, |_| start_position as f32);
6119
6120 editor.set_scroll_position(position, window, cx);
6121 } else {
6122 editor.scroll_manager.show_scrollbars(window, cx);
6123 }
6124
6125 cx.stop_propagation();
6126 });
6127 }
6128 });
6129 }
6130 }
6131
6132 fn collect_fast_scrollbar_markers(
6133 &self,
6134 layout: &EditorLayout,
6135 scrollbar_layout: &ScrollbarLayout,
6136 cx: &mut App,
6137 ) -> Vec<PaintQuad> {
6138 const LIMIT: usize = 100;
6139 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6140 return vec![];
6141 }
6142 let cursor_ranges = layout
6143 .cursors
6144 .iter()
6145 .map(|(point, color)| ColoredRange {
6146 start: point.row(),
6147 end: point.row(),
6148 color: *color,
6149 })
6150 .collect_vec();
6151 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6152 }
6153
6154 fn refresh_slow_scrollbar_markers(
6155 &self,
6156 layout: &EditorLayout,
6157 scrollbar_layout: &ScrollbarLayout,
6158 window: &mut Window,
6159 cx: &mut App,
6160 ) {
6161 self.editor.update(cx, |editor, cx| {
6162 if !editor.is_singleton(cx)
6163 || !editor
6164 .scrollbar_marker_state
6165 .should_refresh(scrollbar_layout.hitbox.size)
6166 {
6167 return;
6168 }
6169
6170 let scrollbar_layout = scrollbar_layout.clone();
6171 let background_highlights = editor.background_highlights.clone();
6172 let snapshot = layout.position_map.snapshot.clone();
6173 let theme = cx.theme().clone();
6174 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6175
6176 editor.scrollbar_marker_state.dirty = false;
6177 editor.scrollbar_marker_state.pending_refresh =
6178 Some(cx.spawn_in(window, async move |editor, cx| {
6179 let scrollbar_size = scrollbar_layout.hitbox.size;
6180 let scrollbar_markers = cx
6181 .background_spawn(async move {
6182 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6183 let mut marker_quads = Vec::new();
6184 if scrollbar_settings.git_diff {
6185 let marker_row_ranges =
6186 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6187 let start_display_row =
6188 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6189 .to_display_point(&snapshot.display_snapshot)
6190 .row();
6191 let mut end_display_row =
6192 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6193 .to_display_point(&snapshot.display_snapshot)
6194 .row();
6195 if end_display_row != start_display_row {
6196 end_display_row.0 -= 1;
6197 }
6198 let color = match &hunk.status().kind {
6199 DiffHunkStatusKind::Added => {
6200 theme.colors().version_control_added
6201 }
6202 DiffHunkStatusKind::Modified => {
6203 theme.colors().version_control_modified
6204 }
6205 DiffHunkStatusKind::Deleted => {
6206 theme.colors().version_control_deleted
6207 }
6208 };
6209 ColoredRange {
6210 start: start_display_row,
6211 end: end_display_row,
6212 color,
6213 }
6214 });
6215
6216 marker_quads.extend(
6217 scrollbar_layout
6218 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6219 );
6220 }
6221
6222 for (background_highlight_id, (_, background_ranges)) in
6223 background_highlights.iter()
6224 {
6225 let is_search_highlights = *background_highlight_id
6226 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6227 let is_text_highlights = *background_highlight_id
6228 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6229 let is_symbol_occurrences = *background_highlight_id
6230 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6231 || *background_highlight_id
6232 == HighlightKey::Type(
6233 TypeId::of::<DocumentHighlightWrite>(),
6234 );
6235 if (is_search_highlights && scrollbar_settings.search_results)
6236 || (is_text_highlights && scrollbar_settings.selected_text)
6237 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6238 {
6239 let mut color = theme.status().info;
6240 if is_symbol_occurrences {
6241 color.fade_out(0.5);
6242 }
6243 let marker_row_ranges = background_ranges.iter().map(|range| {
6244 let display_start = range
6245 .start
6246 .to_display_point(&snapshot.display_snapshot);
6247 let display_end =
6248 range.end.to_display_point(&snapshot.display_snapshot);
6249 ColoredRange {
6250 start: display_start.row(),
6251 end: display_end.row(),
6252 color,
6253 }
6254 });
6255 marker_quads.extend(
6256 scrollbar_layout
6257 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6258 );
6259 }
6260 }
6261
6262 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6263 let diagnostics = snapshot
6264 .buffer_snapshot
6265 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6266 // Don't show diagnostics the user doesn't care about
6267 .filter(|diagnostic| {
6268 match (
6269 scrollbar_settings.diagnostics,
6270 diagnostic.diagnostic.severity,
6271 ) {
6272 (ScrollbarDiagnostics::All, _) => true,
6273 (
6274 ScrollbarDiagnostics::Error,
6275 lsp::DiagnosticSeverity::ERROR,
6276 ) => true,
6277 (
6278 ScrollbarDiagnostics::Warning,
6279 lsp::DiagnosticSeverity::ERROR
6280 | lsp::DiagnosticSeverity::WARNING,
6281 ) => true,
6282 (
6283 ScrollbarDiagnostics::Information,
6284 lsp::DiagnosticSeverity::ERROR
6285 | lsp::DiagnosticSeverity::WARNING
6286 | lsp::DiagnosticSeverity::INFORMATION,
6287 ) => true,
6288 (_, _) => false,
6289 }
6290 })
6291 // We want to sort by severity, in order to paint the most severe diagnostics last.
6292 .sorted_by_key(|diagnostic| {
6293 std::cmp::Reverse(diagnostic.diagnostic.severity)
6294 });
6295
6296 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6297 let start_display = diagnostic
6298 .range
6299 .start
6300 .to_display_point(&snapshot.display_snapshot);
6301 let end_display = diagnostic
6302 .range
6303 .end
6304 .to_display_point(&snapshot.display_snapshot);
6305 let color = match diagnostic.diagnostic.severity {
6306 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6307 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6308 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6309 _ => theme.status().hint,
6310 };
6311 ColoredRange {
6312 start: start_display.row(),
6313 end: end_display.row(),
6314 color,
6315 }
6316 });
6317 marker_quads.extend(
6318 scrollbar_layout
6319 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6320 );
6321 }
6322
6323 Arc::from(marker_quads)
6324 })
6325 .await;
6326
6327 editor.update(cx, |editor, cx| {
6328 editor.scrollbar_marker_state.markers = scrollbar_markers;
6329 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6330 editor.scrollbar_marker_state.pending_refresh = None;
6331 cx.notify();
6332 })?;
6333
6334 Ok(())
6335 }));
6336 });
6337 }
6338
6339 fn paint_highlighted_range(
6340 &self,
6341 range: Range<DisplayPoint>,
6342 fill: bool,
6343 color: Hsla,
6344 corner_radius: Pixels,
6345 line_end_overshoot: Pixels,
6346 layout: &EditorLayout,
6347 window: &mut Window,
6348 ) {
6349 let start_row = layout.visible_display_row_range.start;
6350 let end_row = layout.visible_display_row_range.end;
6351 if range.start != range.end {
6352 let row_range = if range.end.column() == 0 {
6353 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6354 } else {
6355 cmp::max(range.start.row(), start_row)
6356 ..cmp::min(range.end.row().next_row(), end_row)
6357 };
6358
6359 let highlighted_range = HighlightedRange {
6360 color,
6361 line_height: layout.position_map.line_height,
6362 corner_radius,
6363 start_y: layout.content_origin.y
6364 + row_range.start.as_f32() * layout.position_map.line_height
6365 - layout.position_map.scroll_pixel_position.y,
6366 lines: row_range
6367 .iter_rows()
6368 .map(|row| {
6369 let line_layout =
6370 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6371 HighlightedRangeLine {
6372 start_x: if row == range.start.row() {
6373 layout.content_origin.x
6374 + line_layout.x_for_index(range.start.column() as usize)
6375 - layout.position_map.scroll_pixel_position.x
6376 } else {
6377 layout.content_origin.x
6378 - layout.position_map.scroll_pixel_position.x
6379 },
6380 end_x: if row == range.end.row() {
6381 layout.content_origin.x
6382 + line_layout.x_for_index(range.end.column() as usize)
6383 - layout.position_map.scroll_pixel_position.x
6384 } else {
6385 layout.content_origin.x + line_layout.width + line_end_overshoot
6386 - layout.position_map.scroll_pixel_position.x
6387 },
6388 }
6389 })
6390 .collect(),
6391 };
6392
6393 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6394 }
6395 }
6396
6397 fn paint_inline_diagnostics(
6398 &mut self,
6399 layout: &mut EditorLayout,
6400 window: &mut Window,
6401 cx: &mut App,
6402 ) {
6403 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6404 inline_diagnostic.1.paint(window, cx);
6405 }
6406 }
6407
6408 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6409 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6410 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6411 blame_layout.element.paint(window, cx);
6412 })
6413 }
6414 }
6415
6416 fn paint_inline_code_actions(
6417 &mut self,
6418 layout: &mut EditorLayout,
6419 window: &mut Window,
6420 cx: &mut App,
6421 ) {
6422 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6423 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6424 inline_code_actions.paint(window, cx);
6425 })
6426 }
6427 }
6428
6429 fn paint_diff_hunk_controls(
6430 &mut self,
6431 layout: &mut EditorLayout,
6432 window: &mut Window,
6433 cx: &mut App,
6434 ) {
6435 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6436 diff_hunk_control.paint(window, cx);
6437 }
6438 }
6439
6440 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6441 if let Some(mut layout) = layout.minimap.take() {
6442 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6443 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6444
6445 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6446 window.with_element_namespace("minimap", |window| {
6447 layout.minimap.paint(window, cx);
6448 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6449 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6450 ScrollbarThumbState::Idle => {
6451 cx.theme().colors().minimap_thumb_background
6452 }
6453 ScrollbarThumbState::Hovered => {
6454 cx.theme().colors().minimap_thumb_hover_background
6455 }
6456 ScrollbarThumbState::Dragging => {
6457 cx.theme().colors().minimap_thumb_active_background
6458 }
6459 };
6460 let minimap_thumb_border = match layout.thumb_border_style {
6461 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6462 MinimapThumbBorder::LeftOnly => Edges {
6463 left: ScrollbarLayout::BORDER_WIDTH,
6464 ..Default::default()
6465 },
6466 MinimapThumbBorder::LeftOpen => Edges {
6467 right: ScrollbarLayout::BORDER_WIDTH,
6468 top: ScrollbarLayout::BORDER_WIDTH,
6469 bottom: ScrollbarLayout::BORDER_WIDTH,
6470 ..Default::default()
6471 },
6472 MinimapThumbBorder::RightOpen => Edges {
6473 left: ScrollbarLayout::BORDER_WIDTH,
6474 top: ScrollbarLayout::BORDER_WIDTH,
6475 bottom: ScrollbarLayout::BORDER_WIDTH,
6476 ..Default::default()
6477 },
6478 MinimapThumbBorder::None => Default::default(),
6479 };
6480
6481 window.paint_layer(minimap_hitbox.bounds, |window| {
6482 window.paint_quad(quad(
6483 thumb_bounds,
6484 Corners::default(),
6485 minimap_thumb_color,
6486 minimap_thumb_border,
6487 cx.theme().colors().minimap_thumb_border,
6488 BorderStyle::Solid,
6489 ));
6490 });
6491 }
6492 });
6493 });
6494
6495 if dragging_minimap {
6496 window.set_window_cursor_style(CursorStyle::Arrow);
6497 } else {
6498 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6499 }
6500
6501 let minimap_axis = ScrollbarAxis::Vertical;
6502 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6503 .min(layout.minimap_line_height);
6504
6505 let mut mouse_position = window.mouse_position();
6506
6507 window.on_mouse_event({
6508 let editor = self.editor.clone();
6509
6510 let minimap_hitbox = minimap_hitbox.clone();
6511
6512 move |event: &MouseMoveEvent, phase, window, cx| {
6513 if phase == DispatchPhase::Capture {
6514 return;
6515 }
6516
6517 editor.update(cx, |editor, cx| {
6518 if event.pressed_button == Some(MouseButton::Left)
6519 && editor.scroll_manager.is_dragging_minimap()
6520 {
6521 let old_position = mouse_position.along(minimap_axis);
6522 let new_position = event.position.along(minimap_axis);
6523 if (minimap_hitbox.origin.along(minimap_axis)
6524 ..minimap_hitbox.bottom_right().along(minimap_axis))
6525 .contains(&old_position)
6526 {
6527 let position =
6528 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6529 (p + (new_position - old_position) / pixels_per_line)
6530 .max(0.)
6531 });
6532 editor.set_scroll_position(position, window, cx);
6533 }
6534 cx.stop_propagation();
6535 } else {
6536 if minimap_hitbox.is_hovered(window) {
6537 editor.scroll_manager.set_is_hovering_minimap_thumb(
6538 !event.dragging()
6539 && layout
6540 .thumb_layout
6541 .thumb_bounds
6542 .is_some_and(|bounds| bounds.contains(&event.position)),
6543 cx,
6544 );
6545
6546 // Stop hover events from propagating to the
6547 // underlying editor if the minimap hitbox is hovered
6548 if !event.dragging() {
6549 cx.stop_propagation();
6550 }
6551 } else {
6552 editor.scroll_manager.hide_minimap_thumb(cx);
6553 }
6554 }
6555 mouse_position = event.position;
6556 });
6557 }
6558 });
6559
6560 if dragging_minimap {
6561 window.on_mouse_event({
6562 let editor = self.editor.clone();
6563 move |event: &MouseUpEvent, phase, window, cx| {
6564 if phase == DispatchPhase::Capture {
6565 return;
6566 }
6567
6568 editor.update(cx, |editor, cx| {
6569 if minimap_hitbox.is_hovered(window) {
6570 editor.scroll_manager.set_is_hovering_minimap_thumb(
6571 layout
6572 .thumb_layout
6573 .thumb_bounds
6574 .is_some_and(|bounds| bounds.contains(&event.position)),
6575 cx,
6576 );
6577 } else {
6578 editor.scroll_manager.hide_minimap_thumb(cx);
6579 }
6580 cx.stop_propagation();
6581 });
6582 }
6583 });
6584 } else {
6585 window.on_mouse_event({
6586 let editor = self.editor.clone();
6587
6588 move |event: &MouseDownEvent, phase, window, cx| {
6589 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6590 return;
6591 }
6592
6593 let event_position = event.position;
6594
6595 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6596 return;
6597 };
6598
6599 editor.update(cx, |editor, cx| {
6600 if !thumb_bounds.contains(&event_position) {
6601 let click_position =
6602 event_position.relative_to(&minimap_hitbox.origin).y;
6603
6604 let top_position = (click_position
6605 - thumb_bounds.size.along(minimap_axis) / 2.0)
6606 .max(Pixels::ZERO);
6607
6608 let scroll_offset = (layout.minimap_scroll_top
6609 + top_position / layout.minimap_line_height)
6610 .min(layout.max_scroll_top);
6611
6612 let scroll_position = editor
6613 .scroll_position(cx)
6614 .apply_along(minimap_axis, |_| scroll_offset);
6615 editor.set_scroll_position(scroll_position, window, cx);
6616 }
6617
6618 editor.scroll_manager.set_is_dragging_minimap(cx);
6619 cx.stop_propagation();
6620 });
6621 }
6622 });
6623 }
6624 }
6625 }
6626
6627 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6628 for mut block in layout.blocks.drain(..) {
6629 if block.overlaps_gutter {
6630 block.element.paint(window, cx);
6631 } else {
6632 let mut bounds = layout.hitbox.bounds;
6633 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6634 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6635 block.element.paint(window, cx);
6636 })
6637 }
6638 }
6639 }
6640
6641 fn paint_inline_completion_popover(
6642 &mut self,
6643 layout: &mut EditorLayout,
6644 window: &mut Window,
6645 cx: &mut App,
6646 ) {
6647 if let Some(inline_completion_popover) = layout.inline_completion_popover.as_mut() {
6648 inline_completion_popover.paint(window, cx);
6649 }
6650 }
6651
6652 fn paint_mouse_context_menu(
6653 &mut self,
6654 layout: &mut EditorLayout,
6655 window: &mut Window,
6656 cx: &mut App,
6657 ) {
6658 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
6659 mouse_context_menu.paint(window, cx);
6660 }
6661 }
6662
6663 fn paint_scroll_wheel_listener(
6664 &mut self,
6665 layout: &EditorLayout,
6666 window: &mut Window,
6667 cx: &mut App,
6668 ) {
6669 window.on_mouse_event({
6670 let position_map = layout.position_map.clone();
6671 let editor = self.editor.clone();
6672 let hitbox = layout.hitbox.clone();
6673 let mut delta = ScrollDelta::default();
6674
6675 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
6676 // accidentally turn off their scrolling.
6677 let base_scroll_sensitivity =
6678 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
6679
6680 // Use a minimum fast_scroll_sensitivity for same reason above
6681 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
6682 .fast_scroll_sensitivity
6683 .max(0.01);
6684
6685 move |event: &ScrollWheelEvent, phase, window, cx| {
6686 let scroll_sensitivity = {
6687 if event.modifiers.alt {
6688 fast_scroll_sensitivity
6689 } else {
6690 base_scroll_sensitivity
6691 }
6692 };
6693
6694 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
6695 delta = delta.coalesce(event.delta);
6696 editor.update(cx, |editor, cx| {
6697 let position_map: &PositionMap = &position_map;
6698
6699 let line_height = position_map.line_height;
6700 let max_glyph_advance = position_map.em_advance;
6701 let (delta, axis) = match delta {
6702 gpui::ScrollDelta::Pixels(mut pixels) => {
6703 //Trackpad
6704 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
6705 (pixels, axis)
6706 }
6707
6708 gpui::ScrollDelta::Lines(lines) => {
6709 //Not trackpad
6710 let pixels =
6711 point(lines.x * max_glyph_advance, lines.y * line_height);
6712 (pixels, None)
6713 }
6714 };
6715
6716 let current_scroll_position = position_map.snapshot.scroll_position();
6717 let x = (current_scroll_position.x * max_glyph_advance
6718 - (delta.x * scroll_sensitivity))
6719 / max_glyph_advance;
6720 let y = (current_scroll_position.y * line_height
6721 - (delta.y * scroll_sensitivity))
6722 / line_height;
6723 let mut scroll_position =
6724 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
6725 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
6726 if forbid_vertical_scroll {
6727 scroll_position.y = current_scroll_position.y;
6728 }
6729
6730 if scroll_position != current_scroll_position {
6731 editor.scroll(scroll_position, axis, window, cx);
6732 cx.stop_propagation();
6733 } else if y < 0. {
6734 // Due to clamping, we may fail to detect cases of overscroll to the top;
6735 // We want the scroll manager to get an update in such cases and detect the change of direction
6736 // on the next frame.
6737 cx.notify();
6738 }
6739 });
6740 }
6741 }
6742 });
6743 }
6744
6745 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
6746 if self.editor.read(cx).mode.is_minimap() {
6747 return;
6748 }
6749
6750 self.paint_scroll_wheel_listener(layout, window, cx);
6751
6752 window.on_mouse_event({
6753 let position_map = layout.position_map.clone();
6754 let editor = self.editor.clone();
6755 let diff_hunk_range =
6756 layout
6757 .display_hunks
6758 .iter()
6759 .find_map(|(hunk, hunk_hitbox)| match hunk {
6760 DisplayDiffHunk::Folded { .. } => None,
6761 DisplayDiffHunk::Unfolded {
6762 multi_buffer_range, ..
6763 } => {
6764 if hunk_hitbox
6765 .as_ref()
6766 .map(|hitbox| hitbox.is_hovered(window))
6767 .unwrap_or(false)
6768 {
6769 Some(multi_buffer_range.clone())
6770 } else {
6771 None
6772 }
6773 }
6774 });
6775 let line_numbers = layout.line_numbers.clone();
6776
6777 move |event: &MouseDownEvent, phase, window, cx| {
6778 if phase == DispatchPhase::Bubble {
6779 match event.button {
6780 MouseButton::Left => editor.update(cx, |editor, cx| {
6781 let pending_mouse_down = editor
6782 .pending_mouse_down
6783 .get_or_insert_with(Default::default)
6784 .clone();
6785
6786 *pending_mouse_down.borrow_mut() = Some(event.clone());
6787
6788 Self::mouse_left_down(
6789 editor,
6790 event,
6791 diff_hunk_range.clone(),
6792 &position_map,
6793 line_numbers.as_ref(),
6794 window,
6795 cx,
6796 );
6797 }),
6798 MouseButton::Right => editor.update(cx, |editor, cx| {
6799 Self::mouse_right_down(editor, event, &position_map, window, cx);
6800 }),
6801 MouseButton::Middle => editor.update(cx, |editor, cx| {
6802 Self::mouse_middle_down(editor, event, &position_map, window, cx);
6803 }),
6804 _ => {}
6805 };
6806 }
6807 }
6808 });
6809
6810 window.on_mouse_event({
6811 let editor = self.editor.clone();
6812 let position_map = layout.position_map.clone();
6813
6814 move |event: &MouseUpEvent, phase, window, cx| {
6815 if phase == DispatchPhase::Bubble {
6816 editor.update(cx, |editor, cx| {
6817 Self::mouse_up(editor, event, &position_map, window, cx)
6818 });
6819 }
6820 }
6821 });
6822
6823 window.on_mouse_event({
6824 let editor = self.editor.clone();
6825 let position_map = layout.position_map.clone();
6826 let mut captured_mouse_down = None;
6827
6828 move |event: &MouseUpEvent, phase, window, cx| match phase {
6829 // Clear the pending mouse down during the capture phase,
6830 // so that it happens even if another event handler stops
6831 // propagation.
6832 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
6833 let pending_mouse_down = editor
6834 .pending_mouse_down
6835 .get_or_insert_with(Default::default)
6836 .clone();
6837
6838 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
6839 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
6840 captured_mouse_down = pending_mouse_down.take();
6841 window.refresh();
6842 }
6843 }),
6844 // Fire click handlers during the bubble phase.
6845 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
6846 if let Some(mouse_down) = captured_mouse_down.take() {
6847 let event = ClickEvent {
6848 down: mouse_down,
6849 up: event.clone(),
6850 };
6851 Self::click(editor, &event, &position_map, window, cx);
6852 }
6853 }),
6854 }
6855 });
6856
6857 window.on_mouse_event({
6858 let position_map = layout.position_map.clone();
6859 let editor = self.editor.clone();
6860
6861 move |event: &MouseMoveEvent, phase, window, cx| {
6862 if phase == DispatchPhase::Bubble {
6863 editor.update(cx, |editor, cx| {
6864 if editor.hover_state.focused(window, cx) {
6865 return;
6866 }
6867 if event.pressed_button == Some(MouseButton::Left)
6868 || event.pressed_button == Some(MouseButton::Middle)
6869 {
6870 Self::mouse_dragged(editor, event, &position_map, window, cx)
6871 }
6872
6873 Self::mouse_moved(editor, event, &position_map, window, cx)
6874 });
6875 }
6876 }
6877 });
6878 }
6879
6880 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
6881 let style = &self.style;
6882 let font_size = style.text.font_size.to_pixels(window.rem_size());
6883 let layout = window.text_system().shape_line(
6884 SharedString::from(" ".repeat(column)),
6885 font_size,
6886 &[TextRun {
6887 len: column,
6888 font: style.text.font(),
6889 color: Hsla::default(),
6890 background_color: None,
6891 underline: None,
6892 strikethrough: None,
6893 }],
6894 None,
6895 );
6896
6897 layout.width
6898 }
6899
6900 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
6901 let digit_count = snapshot.widest_line_number().ilog10() + 1;
6902 self.column_pixels(digit_count as usize, window)
6903 }
6904
6905 fn shape_line_number(
6906 &self,
6907 text: SharedString,
6908 color: Hsla,
6909 window: &mut Window,
6910 ) -> ShapedLine {
6911 let run = TextRun {
6912 len: text.len(),
6913 font: self.style.text.font(),
6914 color,
6915 background_color: None,
6916 underline: None,
6917 strikethrough: None,
6918 };
6919 window.text_system().shape_line(
6920 text,
6921 self.style.text.font_size.to_pixels(window.rem_size()),
6922 &[run],
6923 None,
6924 )
6925 }
6926
6927 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
6928 let unstaged = status.has_secondary_hunk();
6929 let unstaged_hollow = ProjectSettings::get_global(cx)
6930 .git
6931 .hunk_style
6932 .map_or(false, |style| {
6933 matches!(style, GitHunkStyleSetting::UnstagedHollow)
6934 });
6935
6936 unstaged == unstaged_hollow
6937 }
6938}
6939
6940fn header_jump_data(
6941 snapshot: &EditorSnapshot,
6942 block_row_start: DisplayRow,
6943 height: u32,
6944 for_excerpt: &ExcerptInfo,
6945) -> JumpData {
6946 let range = &for_excerpt.range;
6947 let buffer = &for_excerpt.buffer;
6948 let jump_anchor = range.primary.start;
6949
6950 let excerpt_start = range.context.start;
6951 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
6952 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
6953 0
6954 } else {
6955 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
6956 jump_position.row.saturating_sub(excerpt_start_point.row)
6957 };
6958
6959 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
6960 .saturating_sub(
6961 snapshot
6962 .scroll_anchor
6963 .scroll_position(&snapshot.display_snapshot)
6964 .y as u32,
6965 );
6966
6967 JumpData::MultiBufferPoint {
6968 excerpt_id: for_excerpt.id,
6969 anchor: jump_anchor,
6970 position: jump_position,
6971 line_offset_from_top,
6972 }
6973}
6974
6975pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
6976
6977impl AcceptEditPredictionBinding {
6978 pub fn keystroke(&self) -> Option<&Keystroke> {
6979 if let Some(binding) = self.0.as_ref() {
6980 match &binding.keystrokes() {
6981 [keystroke, ..] => Some(keystroke),
6982 _ => None,
6983 }
6984 } else {
6985 None
6986 }
6987 }
6988}
6989
6990fn prepaint_gutter_button(
6991 button: IconButton,
6992 row: DisplayRow,
6993 line_height: Pixels,
6994 gutter_dimensions: &GutterDimensions,
6995 scroll_pixel_position: gpui::Point<Pixels>,
6996 gutter_hitbox: &Hitbox,
6997 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
6998 window: &mut Window,
6999 cx: &mut App,
7000) -> AnyElement {
7001 let mut button = button.into_any_element();
7002
7003 let available_space = size(
7004 AvailableSpace::MinContent,
7005 AvailableSpace::Definite(line_height),
7006 );
7007 let indicator_size = button.layout_as_root(available_space, window, cx);
7008
7009 let blame_width = gutter_dimensions.git_blame_entries_width;
7010 let gutter_width = display_hunks
7011 .binary_search_by(|(hunk, _)| match hunk {
7012 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7013 DisplayDiffHunk::Unfolded {
7014 display_row_range, ..
7015 } => {
7016 if display_row_range.end <= row {
7017 Ordering::Less
7018 } else if display_row_range.start > row {
7019 Ordering::Greater
7020 } else {
7021 Ordering::Equal
7022 }
7023 }
7024 })
7025 .ok()
7026 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7027 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7028
7029 let mut x = left_offset;
7030 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7031 - indicator_size.width
7032 - left_offset;
7033 x += available_width / 2.;
7034
7035 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7036 y += (line_height - indicator_size.height) / 2.;
7037
7038 button.prepaint_as_root(
7039 gutter_hitbox.origin + point(x, y),
7040 available_space,
7041 window,
7042 cx,
7043 );
7044 button
7045}
7046
7047fn render_inline_blame_entry(
7048 blame_entry: BlameEntry,
7049 style: &EditorStyle,
7050 cx: &mut App,
7051) -> Option<AnyElement> {
7052 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7053 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7054}
7055
7056fn render_blame_entry_popover(
7057 blame_entry: BlameEntry,
7058 scroll_handle: ScrollHandle,
7059 commit_message: Option<ParsedCommitMessage>,
7060 markdown: Entity<Markdown>,
7061 workspace: WeakEntity<Workspace>,
7062 blame: &Entity<GitBlame>,
7063 window: &mut Window,
7064 cx: &mut App,
7065) -> Option<AnyElement> {
7066 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7067 let blame = blame.read(cx);
7068 let repository = blame.repository(cx)?.clone();
7069 renderer.render_blame_entry_popover(
7070 blame_entry,
7071 scroll_handle,
7072 commit_message,
7073 markdown,
7074 repository,
7075 workspace,
7076 window,
7077 cx,
7078 )
7079}
7080
7081fn render_blame_entry(
7082 ix: usize,
7083 blame: &Entity<GitBlame>,
7084 blame_entry: BlameEntry,
7085 style: &EditorStyle,
7086 last_used_color: &mut Option<(PlayerColor, Oid)>,
7087 editor: Entity<Editor>,
7088 workspace: Entity<Workspace>,
7089 renderer: Arc<dyn BlameRenderer>,
7090 cx: &mut App,
7091) -> Option<AnyElement> {
7092 let mut sha_color = cx
7093 .theme()
7094 .players()
7095 .color_for_participant(blame_entry.sha.into());
7096
7097 // If the last color we used is the same as the one we get for this line, but
7098 // the commit SHAs are different, then we try again to get a different color.
7099 match *last_used_color {
7100 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7101 let index: u32 = blame_entry.sha.into();
7102 sha_color = cx.theme().players().color_for_participant(index + 1);
7103 }
7104 _ => {}
7105 };
7106 last_used_color.replace((sha_color, blame_entry.sha));
7107
7108 let blame = blame.read(cx);
7109 let details = blame.details_for_entry(&blame_entry);
7110 let repository = blame.repository(cx)?;
7111 renderer.render_blame_entry(
7112 &style.text,
7113 blame_entry,
7114 details,
7115 repository,
7116 workspace.downgrade(),
7117 editor,
7118 ix,
7119 sha_color.cursor,
7120 cx,
7121 )
7122}
7123
7124#[derive(Debug)]
7125pub(crate) struct LineWithInvisibles {
7126 fragments: SmallVec<[LineFragment; 1]>,
7127 invisibles: Vec<Invisible>,
7128 len: usize,
7129 pub(crate) width: Pixels,
7130 font_size: Pixels,
7131}
7132
7133enum LineFragment {
7134 Text(ShapedLine),
7135 Element {
7136 id: ChunkRendererId,
7137 element: Option<AnyElement>,
7138 size: Size<Pixels>,
7139 len: usize,
7140 },
7141}
7142
7143impl fmt::Debug for LineFragment {
7144 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7145 match self {
7146 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7147 LineFragment::Element { size, len, .. } => f
7148 .debug_struct("Element")
7149 .field("size", size)
7150 .field("len", len)
7151 .finish(),
7152 }
7153 }
7154}
7155
7156impl LineWithInvisibles {
7157 fn from_chunks<'a>(
7158 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7159 editor_style: &EditorStyle,
7160 max_line_len: usize,
7161 max_line_count: usize,
7162 editor_mode: &EditorMode,
7163 text_width: Pixels,
7164 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7165 window: &mut Window,
7166 cx: &mut App,
7167 ) -> Vec<Self> {
7168 let text_style = &editor_style.text;
7169 let mut layouts = Vec::with_capacity(max_line_count);
7170 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7171 let mut line = String::new();
7172 let mut invisibles = Vec::new();
7173 let mut width = Pixels::ZERO;
7174 let mut len = 0;
7175 let mut styles = Vec::new();
7176 let mut non_whitespace_added = false;
7177 let mut row = 0;
7178 let mut line_exceeded_max_len = false;
7179 let font_size = text_style.font_size.to_pixels(window.rem_size());
7180
7181 let ellipsis = SharedString::from("⋯");
7182
7183 for highlighted_chunk in chunks.chain([HighlightedChunk {
7184 text: "\n",
7185 style: None,
7186 is_tab: false,
7187 is_inlay: false,
7188 replacement: None,
7189 }]) {
7190 if let Some(replacement) = highlighted_chunk.replacement {
7191 if !line.is_empty() {
7192 let shaped_line = window.text_system().shape_line(
7193 line.clone().into(),
7194 font_size,
7195 &styles,
7196 None,
7197 );
7198 width += shaped_line.width;
7199 len += shaped_line.len;
7200 fragments.push(LineFragment::Text(shaped_line));
7201 line.clear();
7202 styles.clear();
7203 }
7204
7205 match replacement {
7206 ChunkReplacement::Renderer(renderer) => {
7207 let available_width = if renderer.constrain_width {
7208 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7209 ellipsis.clone()
7210 } else {
7211 SharedString::from(Arc::from(highlighted_chunk.text))
7212 };
7213 let shaped_line = window.text_system().shape_line(
7214 chunk,
7215 font_size,
7216 &[text_style.to_run(highlighted_chunk.text.len())],
7217 None,
7218 );
7219 AvailableSpace::Definite(shaped_line.width)
7220 } else {
7221 AvailableSpace::MinContent
7222 };
7223
7224 let mut element = (renderer.render)(&mut ChunkRendererContext {
7225 context: cx,
7226 window,
7227 max_width: text_width,
7228 });
7229 let line_height = text_style.line_height_in_pixels(window.rem_size());
7230 let size = element.layout_as_root(
7231 size(available_width, AvailableSpace::Definite(line_height)),
7232 window,
7233 cx,
7234 );
7235
7236 width += size.width;
7237 len += highlighted_chunk.text.len();
7238 fragments.push(LineFragment::Element {
7239 id: renderer.id,
7240 element: Some(element),
7241 size,
7242 len: highlighted_chunk.text.len(),
7243 });
7244 }
7245 ChunkReplacement::Str(x) => {
7246 let text_style = if let Some(style) = highlighted_chunk.style {
7247 Cow::Owned(text_style.clone().highlight(style))
7248 } else {
7249 Cow::Borrowed(text_style)
7250 };
7251
7252 let run = TextRun {
7253 len: x.len(),
7254 font: text_style.font(),
7255 color: text_style.color,
7256 background_color: text_style.background_color,
7257 underline: text_style.underline,
7258 strikethrough: text_style.strikethrough,
7259 };
7260 let line_layout = window
7261 .text_system()
7262 .shape_line(x, font_size, &[run], None)
7263 .with_len(highlighted_chunk.text.len());
7264
7265 width += line_layout.width;
7266 len += highlighted_chunk.text.len();
7267 fragments.push(LineFragment::Text(line_layout))
7268 }
7269 }
7270 } else {
7271 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7272 if ix > 0 {
7273 let shaped_line = window.text_system().shape_line(
7274 line.clone().into(),
7275 font_size,
7276 &styles,
7277 None,
7278 );
7279 width += shaped_line.width;
7280 len += shaped_line.len;
7281 fragments.push(LineFragment::Text(shaped_line));
7282 layouts.push(Self {
7283 width: mem::take(&mut width),
7284 len: mem::take(&mut len),
7285 fragments: mem::take(&mut fragments),
7286 invisibles: std::mem::take(&mut invisibles),
7287 font_size,
7288 });
7289
7290 line.clear();
7291 styles.clear();
7292 row += 1;
7293 line_exceeded_max_len = false;
7294 non_whitespace_added = false;
7295 if row == max_line_count {
7296 return layouts;
7297 }
7298 }
7299
7300 if !line_chunk.is_empty() && !line_exceeded_max_len {
7301 let text_style = if let Some(style) = highlighted_chunk.style {
7302 Cow::Owned(text_style.clone().highlight(style))
7303 } else {
7304 Cow::Borrowed(text_style)
7305 };
7306
7307 if line.len() + line_chunk.len() > max_line_len {
7308 let mut chunk_len = max_line_len - line.len();
7309 while !line_chunk.is_char_boundary(chunk_len) {
7310 chunk_len -= 1;
7311 }
7312 line_chunk = &line_chunk[..chunk_len];
7313 line_exceeded_max_len = true;
7314 }
7315
7316 styles.push(TextRun {
7317 len: line_chunk.len(),
7318 font: text_style.font(),
7319 color: text_style.color,
7320 background_color: text_style.background_color,
7321 underline: text_style.underline,
7322 strikethrough: text_style.strikethrough,
7323 });
7324
7325 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7326 // Line wrap pads its contents with fake whitespaces,
7327 // avoid printing them
7328 let is_soft_wrapped = is_row_soft_wrapped(row);
7329 if highlighted_chunk.is_tab {
7330 if non_whitespace_added || !is_soft_wrapped {
7331 invisibles.push(Invisible::Tab {
7332 line_start_offset: line.len(),
7333 line_end_offset: line.len() + line_chunk.len(),
7334 });
7335 }
7336 } else {
7337 invisibles.extend(line_chunk.char_indices().filter_map(
7338 |(index, c)| {
7339 let is_whitespace = c.is_whitespace();
7340 non_whitespace_added |= !is_whitespace;
7341 if is_whitespace
7342 && (non_whitespace_added || !is_soft_wrapped)
7343 {
7344 Some(Invisible::Whitespace {
7345 line_offset: line.len() + index,
7346 })
7347 } else {
7348 None
7349 }
7350 },
7351 ))
7352 }
7353 }
7354
7355 line.push_str(line_chunk);
7356 }
7357 }
7358 }
7359 }
7360
7361 layouts
7362 }
7363
7364 fn prepaint(
7365 &mut self,
7366 line_height: Pixels,
7367 scroll_pixel_position: gpui::Point<Pixels>,
7368 row: DisplayRow,
7369 content_origin: gpui::Point<Pixels>,
7370 line_elements: &mut SmallVec<[AnyElement; 1]>,
7371 window: &mut Window,
7372 cx: &mut App,
7373 ) {
7374 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7375 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7376 for fragment in &mut self.fragments {
7377 match fragment {
7378 LineFragment::Text(line) => {
7379 fragment_origin.x += line.width;
7380 }
7381 LineFragment::Element { element, size, .. } => {
7382 let mut element = element
7383 .take()
7384 .expect("you can't prepaint LineWithInvisibles twice");
7385
7386 // Center the element vertically within the line.
7387 let mut element_origin = fragment_origin;
7388 element_origin.y += (line_height - size.height) / 2.;
7389 element.prepaint_at(element_origin, window, cx);
7390 line_elements.push(element);
7391
7392 fragment_origin.x += size.width;
7393 }
7394 }
7395 }
7396 }
7397
7398 fn draw(
7399 &self,
7400 layout: &EditorLayout,
7401 row: DisplayRow,
7402 content_origin: gpui::Point<Pixels>,
7403 whitespace_setting: ShowWhitespaceSetting,
7404 selection_ranges: &[Range<DisplayPoint>],
7405 window: &mut Window,
7406 cx: &mut App,
7407 ) {
7408 let line_height = layout.position_map.line_height;
7409 let line_y = line_height
7410 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7411
7412 let mut fragment_origin =
7413 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7414
7415 for fragment in &self.fragments {
7416 match fragment {
7417 LineFragment::Text(line) => {
7418 line.paint(fragment_origin, line_height, window, cx)
7419 .log_err();
7420 fragment_origin.x += line.width;
7421 }
7422 LineFragment::Element { size, .. } => {
7423 fragment_origin.x += size.width;
7424 }
7425 }
7426 }
7427
7428 self.draw_invisibles(
7429 selection_ranges,
7430 layout,
7431 content_origin,
7432 line_y,
7433 row,
7434 line_height,
7435 whitespace_setting,
7436 window,
7437 cx,
7438 );
7439 }
7440
7441 fn draw_background(
7442 &self,
7443 layout: &EditorLayout,
7444 row: DisplayRow,
7445 content_origin: gpui::Point<Pixels>,
7446 window: &mut Window,
7447 cx: &mut App,
7448 ) {
7449 let line_height = layout.position_map.line_height;
7450 let line_y = line_height
7451 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7452
7453 let mut fragment_origin =
7454 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7455
7456 for fragment in &self.fragments {
7457 match fragment {
7458 LineFragment::Text(line) => {
7459 line.paint_background(fragment_origin, line_height, window, cx)
7460 .log_err();
7461 fragment_origin.x += line.width;
7462 }
7463 LineFragment::Element { size, .. } => {
7464 fragment_origin.x += size.width;
7465 }
7466 }
7467 }
7468 }
7469
7470 fn draw_invisibles(
7471 &self,
7472 selection_ranges: &[Range<DisplayPoint>],
7473 layout: &EditorLayout,
7474 content_origin: gpui::Point<Pixels>,
7475 line_y: Pixels,
7476 row: DisplayRow,
7477 line_height: Pixels,
7478 whitespace_setting: ShowWhitespaceSetting,
7479 window: &mut Window,
7480 cx: &mut App,
7481 ) {
7482 let extract_whitespace_info = |invisible: &Invisible| {
7483 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7484 Invisible::Tab {
7485 line_start_offset,
7486 line_end_offset,
7487 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7488 Invisible::Whitespace { line_offset } => {
7489 (*line_offset, line_offset + 1, &layout.space_invisible)
7490 }
7491 };
7492
7493 let x_offset = self.x_for_index(token_offset);
7494 let invisible_offset =
7495 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7496 let origin = content_origin
7497 + gpui::point(
7498 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7499 line_y,
7500 );
7501
7502 (
7503 [token_offset, token_end_offset],
7504 Box::new(move |window: &mut Window, cx: &mut App| {
7505 invisible_symbol
7506 .paint(origin, line_height, window, cx)
7507 .log_err();
7508 }),
7509 )
7510 };
7511
7512 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7513 match whitespace_setting {
7514 ShowWhitespaceSetting::None => (),
7515 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7516 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7517 let invisible_point = DisplayPoint::new(row, start as u32);
7518 if !selection_ranges
7519 .iter()
7520 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7521 {
7522 return;
7523 }
7524
7525 paint(window, cx);
7526 }),
7527
7528 ShowWhitespaceSetting::Trailing => {
7529 let mut previous_start = self.len;
7530 for ([start, end], paint) in invisible_iter.rev() {
7531 if previous_start != end {
7532 break;
7533 }
7534 previous_start = start;
7535 paint(window, cx);
7536 }
7537 }
7538
7539 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7540 // - It is a tab
7541 // - It is adjacent to an edge (start or end)
7542 // - It is adjacent to a whitespace (left or right)
7543 ShowWhitespaceSetting::Boundary => {
7544 // 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
7545 // the above cases.
7546 // Note: We zip in the original `invisibles` to check for tab equality
7547 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7548 for (([start, end], paint), invisible) in
7549 invisible_iter.zip_eq(self.invisibles.iter())
7550 {
7551 let should_render = match (&last_seen, invisible) {
7552 (_, Invisible::Tab { .. }) => true,
7553 (Some((_, last_end, _)), _) => *last_end == start,
7554 _ => false,
7555 };
7556
7557 if should_render || start == 0 || end == self.len {
7558 paint(window, cx);
7559
7560 // Since we are scanning from the left, we will skip over the first available whitespace that is part
7561 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
7562 if let Some((should_render_last, last_end, paint_last)) = last_seen {
7563 // Note that we need to make sure that the last one is actually adjacent
7564 if !should_render_last && last_end == start {
7565 paint_last(window, cx);
7566 }
7567 }
7568 }
7569
7570 // Manually render anything within a selection
7571 let invisible_point = DisplayPoint::new(row, start as u32);
7572 if selection_ranges.iter().any(|region| {
7573 region.start <= invisible_point && invisible_point < region.end
7574 }) {
7575 paint(window, cx);
7576 }
7577
7578 last_seen = Some((should_render, end, paint));
7579 }
7580 }
7581 }
7582 }
7583
7584 pub fn x_for_index(&self, index: usize) -> Pixels {
7585 let mut fragment_start_x = Pixels::ZERO;
7586 let mut fragment_start_index = 0;
7587
7588 for fragment in &self.fragments {
7589 match fragment {
7590 LineFragment::Text(shaped_line) => {
7591 let fragment_end_index = fragment_start_index + shaped_line.len;
7592 if index < fragment_end_index {
7593 return fragment_start_x
7594 + shaped_line.x_for_index(index - fragment_start_index);
7595 }
7596 fragment_start_x += shaped_line.width;
7597 fragment_start_index = fragment_end_index;
7598 }
7599 LineFragment::Element { len, size, .. } => {
7600 let fragment_end_index = fragment_start_index + len;
7601 if index < fragment_end_index {
7602 return fragment_start_x;
7603 }
7604 fragment_start_x += size.width;
7605 fragment_start_index = fragment_end_index;
7606 }
7607 }
7608 }
7609
7610 fragment_start_x
7611 }
7612
7613 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
7614 let mut fragment_start_x = Pixels::ZERO;
7615 let mut fragment_start_index = 0;
7616
7617 for fragment in &self.fragments {
7618 match fragment {
7619 LineFragment::Text(shaped_line) => {
7620 let fragment_end_x = fragment_start_x + shaped_line.width;
7621 if x < fragment_end_x {
7622 return Some(
7623 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
7624 );
7625 }
7626 fragment_start_x = fragment_end_x;
7627 fragment_start_index += shaped_line.len;
7628 }
7629 LineFragment::Element { len, size, .. } => {
7630 let fragment_end_x = fragment_start_x + size.width;
7631 if x < fragment_end_x {
7632 return Some(fragment_start_index);
7633 }
7634 fragment_start_index += len;
7635 fragment_start_x = fragment_end_x;
7636 }
7637 }
7638 }
7639
7640 None
7641 }
7642
7643 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
7644 let mut fragment_start_index = 0;
7645
7646 for fragment in &self.fragments {
7647 match fragment {
7648 LineFragment::Text(shaped_line) => {
7649 let fragment_end_index = fragment_start_index + shaped_line.len;
7650 if index < fragment_end_index {
7651 return shaped_line.font_id_for_index(index - fragment_start_index);
7652 }
7653 fragment_start_index = fragment_end_index;
7654 }
7655 LineFragment::Element { len, .. } => {
7656 let fragment_end_index = fragment_start_index + len;
7657 if index < fragment_end_index {
7658 return None;
7659 }
7660 fragment_start_index = fragment_end_index;
7661 }
7662 }
7663 }
7664
7665 None
7666 }
7667}
7668
7669#[derive(Debug, Clone, Copy, PartialEq, Eq)]
7670enum Invisible {
7671 /// A tab character
7672 ///
7673 /// A tab character is internally represented by spaces (configured by the user's tab width)
7674 /// aligned to the nearest column, so it's necessary to store the start and end offset for
7675 /// adjacency checks.
7676 Tab {
7677 line_start_offset: usize,
7678 line_end_offset: usize,
7679 },
7680 Whitespace {
7681 line_offset: usize,
7682 },
7683}
7684
7685impl EditorElement {
7686 /// Returns the rem size to use when rendering the [`EditorElement`].
7687 ///
7688 /// This allows UI elements to scale based on the `buffer_font_size`.
7689 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
7690 match self.editor.read(cx).mode {
7691 EditorMode::Full {
7692 scale_ui_elements_with_buffer_font_size: true,
7693 ..
7694 }
7695 | EditorMode::Minimap { .. } => {
7696 let buffer_font_size = self.style.text.font_size;
7697 match buffer_font_size {
7698 AbsoluteLength::Pixels(pixels) => {
7699 let rem_size_scale = {
7700 // Our default UI font size is 14px on a 16px base scale.
7701 // This means the default UI font size is 0.875rems.
7702 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
7703
7704 // We then determine the delta between a single rem and the default font
7705 // size scale.
7706 let default_font_size_delta = 1. - default_font_size_scale;
7707
7708 // Finally, we add this delta to 1rem to get the scale factor that
7709 // should be used to scale up the UI.
7710 1. + default_font_size_delta
7711 };
7712
7713 Some(pixels * rem_size_scale)
7714 }
7715 AbsoluteLength::Rems(rems) => {
7716 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
7717 }
7718 }
7719 }
7720 // We currently use single-line and auto-height editors in UI contexts,
7721 // so we don't want to scale everything with the buffer font size, as it
7722 // ends up looking off.
7723 _ => None,
7724 }
7725 }
7726
7727 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
7728 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
7729 parent.upgrade()
7730 } else {
7731 Some(self.editor.clone())
7732 }
7733 }
7734}
7735
7736impl Element for EditorElement {
7737 type RequestLayoutState = ();
7738 type PrepaintState = EditorLayout;
7739
7740 fn id(&self) -> Option<ElementId> {
7741 None
7742 }
7743
7744 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
7745 None
7746 }
7747
7748 fn request_layout(
7749 &mut self,
7750 _: Option<&GlobalElementId>,
7751 _inspector_id: Option<&gpui::InspectorElementId>,
7752 window: &mut Window,
7753 cx: &mut App,
7754 ) -> (gpui::LayoutId, ()) {
7755 let rem_size = self.rem_size(cx);
7756 window.with_rem_size(rem_size, |window| {
7757 self.editor.update(cx, |editor, cx| {
7758 editor.set_style(self.style.clone(), window, cx);
7759
7760 let layout_id = match editor.mode {
7761 EditorMode::SingleLine { auto_width } => {
7762 let rem_size = window.rem_size();
7763
7764 let height = self.style.text.line_height_in_pixels(rem_size);
7765 if auto_width {
7766 let editor_handle = cx.entity().clone();
7767 let style = self.style.clone();
7768 window.request_measured_layout(
7769 Style::default(),
7770 move |_, _, window, cx| {
7771 let editor_snapshot = editor_handle
7772 .update(cx, |editor, cx| editor.snapshot(window, cx));
7773 let line = Self::layout_lines(
7774 DisplayRow(0)..DisplayRow(1),
7775 &editor_snapshot,
7776 &style,
7777 px(f32::MAX),
7778 |_| false, // Single lines never soft wrap
7779 window,
7780 cx,
7781 )
7782 .pop()
7783 .unwrap();
7784
7785 let font_id =
7786 window.text_system().resolve_font(&style.text.font());
7787 let font_size =
7788 style.text.font_size.to_pixels(window.rem_size());
7789 let em_width =
7790 window.text_system().em_width(font_id, font_size).unwrap();
7791
7792 size(line.width + em_width, height)
7793 },
7794 )
7795 } else {
7796 let mut style = Style::default();
7797 style.size.height = height.into();
7798 style.size.width = relative(1.).into();
7799 window.request_layout(style, None, cx)
7800 }
7801 }
7802 EditorMode::AutoHeight {
7803 min_lines,
7804 max_lines,
7805 } => {
7806 let editor_handle = cx.entity().clone();
7807 let max_line_number_width =
7808 self.max_line_number_width(&editor.snapshot(window, cx), window);
7809 window.request_measured_layout(
7810 Style::default(),
7811 move |known_dimensions, available_space, window, cx| {
7812 editor_handle
7813 .update(cx, |editor, cx| {
7814 compute_auto_height_layout(
7815 editor,
7816 min_lines,
7817 max_lines,
7818 max_line_number_width,
7819 known_dimensions,
7820 available_space.width,
7821 window,
7822 cx,
7823 )
7824 })
7825 .unwrap_or_default()
7826 },
7827 )
7828 }
7829 EditorMode::Minimap { .. } => {
7830 let mut style = Style::default();
7831 style.size.width = relative(1.).into();
7832 style.size.height = relative(1.).into();
7833 window.request_layout(style, None, cx)
7834 }
7835 EditorMode::Full {
7836 sized_by_content, ..
7837 } => {
7838 let mut style = Style::default();
7839 style.size.width = relative(1.).into();
7840 if sized_by_content {
7841 let snapshot = editor.snapshot(window, cx);
7842 let line_height =
7843 self.style.text.line_height_in_pixels(window.rem_size());
7844 let scroll_height =
7845 (snapshot.max_point().row().next_row().0 as f32) * line_height;
7846 style.size.height = scroll_height.into();
7847 } else {
7848 style.size.height = relative(1.).into();
7849 }
7850 window.request_layout(style, None, cx)
7851 }
7852 };
7853
7854 (layout_id, ())
7855 })
7856 })
7857 }
7858
7859 fn prepaint(
7860 &mut self,
7861 _: Option<&GlobalElementId>,
7862 _inspector_id: Option<&gpui::InspectorElementId>,
7863 bounds: Bounds<Pixels>,
7864 _: &mut Self::RequestLayoutState,
7865 window: &mut Window,
7866 cx: &mut App,
7867 ) -> Self::PrepaintState {
7868 let text_style = TextStyleRefinement {
7869 font_size: Some(self.style.text.font_size),
7870 line_height: Some(self.style.text.line_height),
7871 ..Default::default()
7872 };
7873 let focus_handle = self.editor.focus_handle(cx);
7874 window.set_view_id(self.editor.entity_id());
7875 window.set_focus_handle(&focus_handle, cx);
7876
7877 let rem_size = self.rem_size(cx);
7878 window.with_rem_size(rem_size, |window| {
7879 window.with_text_style(Some(text_style), |window| {
7880 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7881 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
7882 (editor.snapshot(window, cx), editor.read_only(cx))
7883 });
7884 let style = self.style.clone();
7885
7886 let rem_size = window.rem_size();
7887 let font_id = window.text_system().resolve_font(&style.text.font());
7888 let font_size = style.text.font_size.to_pixels(rem_size);
7889 let line_height = style.text.line_height_in_pixels(rem_size);
7890 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
7891 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
7892 let glyph_grid_cell = size(em_advance, line_height);
7893
7894 let gutter_dimensions = snapshot
7895 .gutter_dimensions(
7896 font_id,
7897 font_size,
7898 self.max_line_number_width(&snapshot, window),
7899 cx,
7900 )
7901 .or_else(|| {
7902 self.editor.read(cx).offset_content.then(|| {
7903 GutterDimensions::default_with_margin(font_id, font_size, cx)
7904 })
7905 })
7906 .unwrap_or_default();
7907 let text_width = bounds.size.width - gutter_dimensions.width;
7908
7909 let settings = EditorSettings::get_global(cx);
7910 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
7911 let vertical_scrollbar_width = (scrollbars_shown
7912 && settings.scrollbar.axes.vertical
7913 && self.editor.read(cx).show_scrollbars.vertical)
7914 .then_some(style.scrollbar_width)
7915 .unwrap_or_default();
7916 let minimap_width = self
7917 .get_minimap_width(
7918 &settings.minimap,
7919 scrollbars_shown,
7920 text_width,
7921 em_width,
7922 font_size,
7923 rem_size,
7924 cx,
7925 )
7926 .unwrap_or_default();
7927
7928 let right_margin = minimap_width + vertical_scrollbar_width;
7929
7930 let editor_width =
7931 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
7932 let editor_margins = EditorMargins {
7933 gutter: gutter_dimensions,
7934 right: right_margin,
7935 };
7936
7937 // Offset the content_bounds from the text_bounds by the gutter margin (which
7938 // is roughly half a character wide) to make hit testing work more like how we want.
7939 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
7940
7941 let editor_content_width = editor_width - content_offset.x;
7942
7943 snapshot = self.editor.update(cx, |editor, cx| {
7944 editor.last_bounds = Some(bounds);
7945 editor.gutter_dimensions = gutter_dimensions;
7946 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
7947
7948 if matches!(
7949 editor.mode,
7950 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
7951 ) {
7952 snapshot
7953 } else {
7954 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
7955 let wrap_width = match editor.soft_wrap_mode(cx) {
7956 SoftWrap::GitDiff => None,
7957 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
7958 SoftWrap::EditorWidth => Some(editor_content_width),
7959 SoftWrap::Column(column) => Some(wrap_width_for(column)),
7960 SoftWrap::Bounded(column) => {
7961 Some(editor_content_width.min(wrap_width_for(column)))
7962 }
7963 };
7964
7965 if editor.set_wrap_width(wrap_width, cx) {
7966 editor.snapshot(window, cx)
7967 } else {
7968 snapshot
7969 }
7970 }
7971 });
7972
7973 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
7974 let gutter_hitbox = window.insert_hitbox(
7975 gutter_bounds(bounds, gutter_dimensions),
7976 HitboxBehavior::Normal,
7977 );
7978 let text_hitbox = window.insert_hitbox(
7979 Bounds {
7980 origin: gutter_hitbox.top_right(),
7981 size: size(text_width, bounds.size.height),
7982 },
7983 HitboxBehavior::Normal,
7984 );
7985
7986 let content_origin = text_hitbox.origin + content_offset;
7987
7988 let editor_text_bounds =
7989 Bounds::from_corners(content_origin, bounds.bottom_right());
7990
7991 let height_in_lines = editor_text_bounds.size.height / line_height;
7992
7993 let max_row = snapshot.max_point().row().as_f32();
7994
7995 // The max scroll position for the top of the window
7996 let max_scroll_top = if matches!(
7997 snapshot.mode,
7998 EditorMode::SingleLine { .. }
7999 | EditorMode::AutoHeight { .. }
8000 | EditorMode::Full {
8001 sized_by_content: true,
8002 ..
8003 }
8004 ) {
8005 (max_row - height_in_lines + 1.).max(0.)
8006 } else {
8007 let settings = EditorSettings::get_global(cx);
8008 match settings.scroll_beyond_last_line {
8009 ScrollBeyondLastLine::OnePage => max_row,
8010 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8011 ScrollBeyondLastLine::VerticalScrollMargin => {
8012 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8013 .max(0.)
8014 }
8015 }
8016 };
8017
8018 // TODO: Autoscrolling for both axes
8019 let mut autoscroll_request = None;
8020 let mut autoscroll_containing_element = false;
8021 let mut autoscroll_horizontally = false;
8022 self.editor.update(cx, |editor, cx| {
8023 autoscroll_request = editor.autoscroll_request();
8024 autoscroll_containing_element =
8025 autoscroll_request.is_some() || editor.has_pending_selection();
8026 // TODO: Is this horizontal or vertical?!
8027 autoscroll_horizontally = editor.autoscroll_vertically(
8028 bounds,
8029 line_height,
8030 max_scroll_top,
8031 window,
8032 cx,
8033 );
8034 snapshot = editor.snapshot(window, cx);
8035 });
8036
8037 let mut scroll_position = snapshot.scroll_position();
8038 // The scroll position is a fractional point, the whole number of which represents
8039 // the top of the window in terms of display rows.
8040 let start_row = DisplayRow(scroll_position.y as u32);
8041 let max_row = snapshot.max_point().row();
8042 let end_row = cmp::min(
8043 (scroll_position.y + height_in_lines).ceil() as u32,
8044 max_row.next_row().0,
8045 );
8046 let end_row = DisplayRow(end_row);
8047
8048 let row_infos = snapshot
8049 .row_infos(start_row)
8050 .take((start_row..end_row).len())
8051 .collect::<Vec<RowInfo>>();
8052 let is_row_soft_wrapped = |row: usize| {
8053 row_infos
8054 .get(row)
8055 .map_or(true, |info| info.buffer_row.is_none())
8056 };
8057
8058 let start_anchor = if start_row == Default::default() {
8059 Anchor::min()
8060 } else {
8061 snapshot.buffer_snapshot.anchor_before(
8062 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8063 )
8064 };
8065 let end_anchor = if end_row > max_row {
8066 Anchor::max()
8067 } else {
8068 snapshot.buffer_snapshot.anchor_before(
8069 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8070 )
8071 };
8072
8073 let mut highlighted_rows = self
8074 .editor
8075 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8076
8077 let is_light = cx.theme().appearance().is_light();
8078
8079 for (ix, row_info) in row_infos.iter().enumerate() {
8080 let Some(diff_status) = row_info.diff_status else {
8081 continue;
8082 };
8083
8084 let background_color = match diff_status.kind {
8085 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8086 DiffHunkStatusKind::Deleted => {
8087 cx.theme().colors().version_control_deleted
8088 }
8089 DiffHunkStatusKind::Modified => {
8090 debug_panic!("modified diff status for row info");
8091 continue;
8092 }
8093 };
8094
8095 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8096
8097 let hollow_highlight = LineHighlight {
8098 background: (background_color.opacity(if is_light {
8099 0.08
8100 } else {
8101 0.06
8102 }))
8103 .into(),
8104 border: Some(if is_light {
8105 background_color.opacity(0.48)
8106 } else {
8107 background_color.opacity(0.36)
8108 }),
8109 include_gutter: true,
8110 type_id: None,
8111 };
8112
8113 let filled_highlight = LineHighlight {
8114 background: solid_background(background_color.opacity(hunk_opacity)),
8115 border: None,
8116 include_gutter: true,
8117 type_id: None,
8118 };
8119
8120 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8121 hollow_highlight
8122 } else {
8123 filled_highlight
8124 };
8125
8126 highlighted_rows
8127 .entry(start_row + DisplayRow(ix as u32))
8128 .or_insert(background);
8129 }
8130
8131 let highlighted_ranges = self
8132 .editor_with_selections(cx)
8133 .map(|editor| {
8134 editor.read(cx).background_highlights_in_range(
8135 start_anchor..end_anchor,
8136 &snapshot.display_snapshot,
8137 cx.theme(),
8138 )
8139 })
8140 .unwrap_or_default();
8141 let highlighted_gutter_ranges =
8142 self.editor.read(cx).gutter_highlights_in_range(
8143 start_anchor..end_anchor,
8144 &snapshot.display_snapshot,
8145 cx,
8146 );
8147
8148 let document_colors = self
8149 .editor
8150 .read(cx)
8151 .colors
8152 .as_ref()
8153 .map(|colors| colors.editor_display_highlights(&snapshot));
8154 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8155 start_anchor..end_anchor,
8156 &snapshot.display_snapshot,
8157 cx,
8158 );
8159
8160 let (local_selections, selected_buffer_ids): (
8161 Vec<Selection<Point>>,
8162 Vec<BufferId>,
8163 ) = self
8164 .editor_with_selections(cx)
8165 .map(|editor| {
8166 editor.update(cx, |editor, cx| {
8167 let all_selections = editor.selections.all::<Point>(cx);
8168 let selected_buffer_ids = if editor.is_singleton(cx) {
8169 Vec::new()
8170 } else {
8171 let mut selected_buffer_ids =
8172 Vec::with_capacity(all_selections.len());
8173
8174 for selection in all_selections {
8175 for buffer_id in snapshot
8176 .buffer_snapshot
8177 .buffer_ids_for_range(selection.range())
8178 {
8179 if selected_buffer_ids.last() != Some(&buffer_id) {
8180 selected_buffer_ids.push(buffer_id);
8181 }
8182 }
8183 }
8184
8185 selected_buffer_ids
8186 };
8187
8188 let mut selections = editor
8189 .selections
8190 .disjoint_in_range(start_anchor..end_anchor, cx);
8191 selections.extend(editor.selections.pending(cx));
8192
8193 (selections, selected_buffer_ids)
8194 })
8195 })
8196 .unwrap_or_default();
8197
8198 let (selections, mut active_rows, newest_selection_head) = self
8199 .layout_selections(
8200 start_anchor,
8201 end_anchor,
8202 &local_selections,
8203 &snapshot,
8204 start_row,
8205 end_row,
8206 window,
8207 cx,
8208 );
8209 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8210 editor.active_breakpoints(start_row..end_row, window, cx)
8211 });
8212 for (display_row, (_, bp, state)) in &breakpoint_rows {
8213 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8214 active_rows.entry(*display_row).or_default().breakpoint = true;
8215 }
8216 }
8217
8218 let line_numbers = self.layout_line_numbers(
8219 Some(&gutter_hitbox),
8220 gutter_dimensions,
8221 line_height,
8222 scroll_position,
8223 start_row..end_row,
8224 &row_infos,
8225 &active_rows,
8226 newest_selection_head,
8227 &snapshot,
8228 window,
8229 cx,
8230 );
8231
8232 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8233 // line numbers so we don't paint a line number debug accent color if a user
8234 // has their mouse over that line when a breakpoint isn't there
8235 self.editor.update(cx, |editor, _| {
8236 if let Some(phantom_breakpoint) = &mut editor
8237 .gutter_breakpoint_indicator
8238 .0
8239 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8240 {
8241 // Is there a non-phantom breakpoint on this line?
8242 phantom_breakpoint.collides_with_existing_breakpoint = true;
8243 breakpoint_rows
8244 .entry(phantom_breakpoint.display_row)
8245 .or_insert_with(|| {
8246 let position = snapshot.display_point_to_anchor(
8247 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8248 Bias::Right,
8249 );
8250 let breakpoint = Breakpoint::new_standard();
8251 phantom_breakpoint.collides_with_existing_breakpoint = false;
8252 (position, breakpoint, None)
8253 });
8254 }
8255 });
8256
8257 let mut expand_toggles =
8258 window.with_element_namespace("expand_toggles", |window| {
8259 self.layout_expand_toggles(
8260 &gutter_hitbox,
8261 gutter_dimensions,
8262 em_width,
8263 line_height,
8264 scroll_position,
8265 &row_infos,
8266 window,
8267 cx,
8268 )
8269 });
8270
8271 let mut crease_toggles =
8272 window.with_element_namespace("crease_toggles", |window| {
8273 self.layout_crease_toggles(
8274 start_row..end_row,
8275 &row_infos,
8276 &active_rows,
8277 &snapshot,
8278 window,
8279 cx,
8280 )
8281 });
8282 let crease_trailers =
8283 window.with_element_namespace("crease_trailers", |window| {
8284 self.layout_crease_trailers(
8285 row_infos.iter().copied(),
8286 &snapshot,
8287 window,
8288 cx,
8289 )
8290 });
8291
8292 let display_hunks = self.layout_gutter_diff_hunks(
8293 line_height,
8294 &gutter_hitbox,
8295 start_row..end_row,
8296 &snapshot,
8297 window,
8298 cx,
8299 );
8300
8301 let mut line_layouts = Self::layout_lines(
8302 start_row..end_row,
8303 &snapshot,
8304 &self.style,
8305 editor_width,
8306 is_row_soft_wrapped,
8307 window,
8308 cx,
8309 );
8310 let new_renrerer_widths = line_layouts
8311 .iter()
8312 .flat_map(|layout| &layout.fragments)
8313 .filter_map(|fragment| {
8314 if let LineFragment::Element { id, size, .. } = fragment {
8315 Some((*id, size.width))
8316 } else {
8317 None
8318 }
8319 });
8320 if self.editor.update(cx, |editor, cx| {
8321 editor.update_renderer_widths(new_renrerer_widths, cx)
8322 }) {
8323 // If the fold widths have changed, we need to prepaint
8324 // the element again to account for any changes in
8325 // wrapping.
8326 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8327 }
8328
8329 let longest_line_blame_width = self
8330 .editor
8331 .update(cx, |editor, cx| {
8332 if !editor.show_git_blame_inline {
8333 return None;
8334 }
8335 let blame = editor.blame.as_ref()?;
8336 let blame_entry = blame
8337 .update(cx, |blame, cx| {
8338 let row_infos =
8339 snapshot.row_infos(snapshot.longest_row()).next()?;
8340 blame.blame_for_rows(&[row_infos], cx).next()
8341 })
8342 .flatten()?;
8343 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8344 let inline_blame_padding = INLINE_BLAME_PADDING_EM_WIDTHS * em_advance;
8345 Some(
8346 element
8347 .layout_as_root(AvailableSpace::min_size(), window, cx)
8348 .width
8349 + inline_blame_padding,
8350 )
8351 })
8352 .unwrap_or(Pixels::ZERO);
8353
8354 let longest_line_width = layout_line(
8355 snapshot.longest_row(),
8356 &snapshot,
8357 &style,
8358 editor_width,
8359 is_row_soft_wrapped,
8360 window,
8361 cx,
8362 )
8363 .width;
8364
8365 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8366 text_hitbox.bounds,
8367 glyph_grid_cell,
8368 size(longest_line_width, max_row.as_f32() * line_height),
8369 longest_line_blame_width,
8370 editor_width,
8371 EditorSettings::get_global(cx),
8372 );
8373
8374 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8375
8376 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8377 snapshot.sticky_header_excerpt(scroll_position.y)
8378 } else {
8379 None
8380 };
8381 let sticky_header_excerpt_id =
8382 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8383
8384 let blocks = window.with_element_namespace("blocks", |window| {
8385 self.render_blocks(
8386 start_row..end_row,
8387 &snapshot,
8388 &hitbox,
8389 &text_hitbox,
8390 editor_width,
8391 &mut scroll_width,
8392 &editor_margins,
8393 em_width,
8394 gutter_dimensions.full_width(),
8395 line_height,
8396 &mut line_layouts,
8397 &local_selections,
8398 &selected_buffer_ids,
8399 is_row_soft_wrapped,
8400 sticky_header_excerpt_id,
8401 window,
8402 cx,
8403 )
8404 });
8405 let (mut blocks, row_block_types) = match blocks {
8406 Ok(blocks) => blocks,
8407 Err(resized_blocks) => {
8408 self.editor.update(cx, |editor, cx| {
8409 editor.resize_blocks(resized_blocks, autoscroll_request, cx)
8410 });
8411 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8412 }
8413 };
8414
8415 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8416 window.with_element_namespace("blocks", |window| {
8417 self.layout_sticky_buffer_header(
8418 sticky_header_excerpt,
8419 scroll_position.y,
8420 line_height,
8421 right_margin,
8422 &snapshot,
8423 &hitbox,
8424 &selected_buffer_ids,
8425 &blocks,
8426 window,
8427 cx,
8428 )
8429 })
8430 });
8431
8432 let start_buffer_row =
8433 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8434 let end_buffer_row =
8435 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8436
8437 let scroll_max = point(
8438 ((scroll_width - editor_content_width) / em_advance).max(0.0),
8439 max_scroll_top,
8440 );
8441
8442 self.editor.update(cx, |editor, cx| {
8443 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8444
8445 let autoscrolled = if autoscroll_horizontally {
8446 editor.autoscroll_horizontally(
8447 start_row,
8448 editor_content_width,
8449 scroll_width,
8450 em_advance,
8451 &line_layouts,
8452 cx,
8453 )
8454 } else {
8455 false
8456 };
8457
8458 if clamped || autoscrolled {
8459 snapshot = editor.snapshot(window, cx);
8460 scroll_position = snapshot.scroll_position();
8461 }
8462 });
8463
8464 let scroll_pixel_position = point(
8465 scroll_position.x * em_advance,
8466 scroll_position.y * line_height,
8467 );
8468 let indent_guides = self.layout_indent_guides(
8469 content_origin,
8470 text_hitbox.origin,
8471 start_buffer_row..end_buffer_row,
8472 scroll_pixel_position,
8473 line_height,
8474 &snapshot,
8475 window,
8476 cx,
8477 );
8478
8479 let crease_trailers =
8480 window.with_element_namespace("crease_trailers", |window| {
8481 self.prepaint_crease_trailers(
8482 crease_trailers,
8483 &line_layouts,
8484 line_height,
8485 content_origin,
8486 scroll_pixel_position,
8487 em_width,
8488 window,
8489 cx,
8490 )
8491 });
8492
8493 let (inline_completion_popover, inline_completion_popover_origin) = self
8494 .editor
8495 .update(cx, |editor, cx| {
8496 editor.render_edit_prediction_popover(
8497 &text_hitbox.bounds,
8498 content_origin,
8499 right_margin,
8500 &snapshot,
8501 start_row..end_row,
8502 scroll_position.y,
8503 scroll_position.y + height_in_lines,
8504 &line_layouts,
8505 line_height,
8506 scroll_pixel_position,
8507 newest_selection_head,
8508 editor_width,
8509 &style,
8510 window,
8511 cx,
8512 )
8513 })
8514 .unzip();
8515
8516 let mut inline_diagnostics = self.layout_inline_diagnostics(
8517 &line_layouts,
8518 &crease_trailers,
8519 &row_block_types,
8520 content_origin,
8521 scroll_pixel_position,
8522 inline_completion_popover_origin,
8523 start_row,
8524 end_row,
8525 line_height,
8526 em_width,
8527 &style,
8528 window,
8529 cx,
8530 );
8531
8532 let mut inline_blame_layout = None;
8533 let mut inline_code_actions = None;
8534 if let Some(newest_selection_head) = newest_selection_head {
8535 let display_row = newest_selection_head.row();
8536 if (start_row..end_row).contains(&display_row)
8537 && !row_block_types.contains_key(&display_row)
8538 {
8539 inline_code_actions = self.layout_inline_code_actions(
8540 newest_selection_head,
8541 content_origin,
8542 scroll_pixel_position,
8543 line_height,
8544 &snapshot,
8545 window,
8546 cx,
8547 );
8548
8549 let line_ix = display_row.minus(start_row) as usize;
8550 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8551 row_infos.get(line_ix),
8552 line_layouts.get(line_ix),
8553 crease_trailers.get(line_ix),
8554 ) {
8555 let crease_trailer_layout = crease_trailer.as_ref();
8556 if let Some(layout) = self.layout_inline_blame(
8557 display_row,
8558 row_info,
8559 line_layout,
8560 crease_trailer_layout,
8561 em_width,
8562 content_origin,
8563 scroll_pixel_position,
8564 line_height,
8565 &text_hitbox,
8566 window,
8567 cx,
8568 ) {
8569 inline_blame_layout = Some(layout);
8570 // Blame overrides inline diagnostics
8571 inline_diagnostics.remove(&display_row);
8572 }
8573 } else {
8574 log::error!(
8575 "bug: line_ix {} is out of bounds - row_infos.len(): {}, line_layouts.len(): {}, crease_trailers.len(): {}",
8576 line_ix,
8577 row_infos.len(),
8578 line_layouts.len(),
8579 crease_trailers.len(),
8580 );
8581 }
8582 }
8583 }
8584
8585 let blamed_display_rows = self.layout_blame_entries(
8586 &row_infos,
8587 em_width,
8588 scroll_position,
8589 line_height,
8590 &gutter_hitbox,
8591 gutter_dimensions.git_blame_entries_width,
8592 window,
8593 cx,
8594 );
8595
8596 self.editor.update(cx, |editor, cx| {
8597 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8598
8599 let autoscrolled = if autoscroll_horizontally {
8600 editor.autoscroll_horizontally(
8601 start_row,
8602 editor_content_width,
8603 scroll_width,
8604 em_advance,
8605 &line_layouts,
8606 cx,
8607 )
8608 } else {
8609 false
8610 };
8611
8612 if clamped || autoscrolled {
8613 snapshot = editor.snapshot(window, cx);
8614 scroll_position = snapshot.scroll_position();
8615 }
8616 });
8617
8618 let line_elements = self.prepaint_lines(
8619 start_row,
8620 &mut line_layouts,
8621 line_height,
8622 scroll_pixel_position,
8623 content_origin,
8624 window,
8625 cx,
8626 );
8627
8628 window.with_element_namespace("blocks", |window| {
8629 self.layout_blocks(
8630 &mut blocks,
8631 &hitbox,
8632 line_height,
8633 scroll_pixel_position,
8634 window,
8635 cx,
8636 );
8637 });
8638
8639 let cursors = self.collect_cursors(&snapshot, cx);
8640 let visible_row_range = start_row..end_row;
8641 let non_visible_cursors = cursors
8642 .iter()
8643 .any(|c| !visible_row_range.contains(&c.0.row()));
8644
8645 let visible_cursors = self.layout_visible_cursors(
8646 &snapshot,
8647 &selections,
8648 &row_block_types,
8649 start_row..end_row,
8650 &line_layouts,
8651 &text_hitbox,
8652 content_origin,
8653 scroll_position,
8654 scroll_pixel_position,
8655 line_height,
8656 em_width,
8657 em_advance,
8658 autoscroll_containing_element,
8659 window,
8660 cx,
8661 );
8662
8663 let scrollbars_layout = self.layout_scrollbars(
8664 &snapshot,
8665 &scrollbar_layout_information,
8666 content_offset,
8667 scroll_position,
8668 non_visible_cursors,
8669 right_margin,
8670 editor_width,
8671 window,
8672 cx,
8673 );
8674
8675 let gutter_settings = EditorSettings::get_global(cx).gutter;
8676
8677 let context_menu_layout =
8678 if let Some(newest_selection_head) = newest_selection_head {
8679 let newest_selection_point =
8680 newest_selection_head.to_point(&snapshot.display_snapshot);
8681 if (start_row..end_row).contains(&newest_selection_head.row()) {
8682 self.layout_cursor_popovers(
8683 line_height,
8684 &text_hitbox,
8685 content_origin,
8686 right_margin,
8687 start_row,
8688 scroll_pixel_position,
8689 &line_layouts,
8690 newest_selection_head,
8691 newest_selection_point,
8692 &style,
8693 window,
8694 cx,
8695 )
8696 } else {
8697 None
8698 }
8699 } else {
8700 None
8701 };
8702
8703 self.layout_gutter_menu(
8704 line_height,
8705 &text_hitbox,
8706 content_origin,
8707 right_margin,
8708 scroll_pixel_position,
8709 gutter_dimensions.width - gutter_dimensions.left_padding,
8710 window,
8711 cx,
8712 );
8713
8714 let test_indicators = if gutter_settings.runnables {
8715 self.layout_run_indicators(
8716 line_height,
8717 start_row..end_row,
8718 &row_infos,
8719 scroll_pixel_position,
8720 &gutter_dimensions,
8721 &gutter_hitbox,
8722 &display_hunks,
8723 &snapshot,
8724 &mut breakpoint_rows,
8725 window,
8726 cx,
8727 )
8728 } else {
8729 Vec::new()
8730 };
8731
8732 let show_breakpoints = snapshot
8733 .show_breakpoints
8734 .unwrap_or(gutter_settings.breakpoints);
8735 let breakpoints = if show_breakpoints {
8736 self.layout_breakpoints(
8737 line_height,
8738 start_row..end_row,
8739 scroll_pixel_position,
8740 &gutter_dimensions,
8741 &gutter_hitbox,
8742 &display_hunks,
8743 &snapshot,
8744 breakpoint_rows,
8745 &row_infos,
8746 window,
8747 cx,
8748 )
8749 } else {
8750 Vec::new()
8751 };
8752
8753 self.layout_signature_help(
8754 &hitbox,
8755 content_origin,
8756 scroll_pixel_position,
8757 newest_selection_head,
8758 start_row,
8759 &line_layouts,
8760 line_height,
8761 em_width,
8762 context_menu_layout,
8763 window,
8764 cx,
8765 );
8766
8767 if !cx.has_active_drag() {
8768 self.layout_hover_popovers(
8769 &snapshot,
8770 &hitbox,
8771 start_row..end_row,
8772 content_origin,
8773 scroll_pixel_position,
8774 &line_layouts,
8775 line_height,
8776 em_width,
8777 context_menu_layout,
8778 window,
8779 cx,
8780 );
8781 }
8782
8783 let mouse_context_menu = self.layout_mouse_context_menu(
8784 &snapshot,
8785 start_row..end_row,
8786 content_origin,
8787 window,
8788 cx,
8789 );
8790
8791 window.with_element_namespace("crease_toggles", |window| {
8792 self.prepaint_crease_toggles(
8793 &mut crease_toggles,
8794 line_height,
8795 &gutter_dimensions,
8796 gutter_settings,
8797 scroll_pixel_position,
8798 &gutter_hitbox,
8799 window,
8800 cx,
8801 )
8802 });
8803
8804 window.with_element_namespace("expand_toggles", |window| {
8805 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
8806 });
8807
8808 let wrap_guides = self.layout_wrap_guides(
8809 em_advance,
8810 scroll_position,
8811 content_origin,
8812 scrollbars_layout.as_ref(),
8813 vertical_scrollbar_width,
8814 &hitbox,
8815 window,
8816 cx,
8817 );
8818
8819 let minimap = window.with_element_namespace("minimap", |window| {
8820 self.layout_minimap(
8821 &snapshot,
8822 minimap_width,
8823 scroll_position,
8824 &scrollbar_layout_information,
8825 scrollbars_layout.as_ref(),
8826 window,
8827 cx,
8828 )
8829 });
8830
8831 let invisible_symbol_font_size = font_size / 2.;
8832 let tab_invisible = window.text_system().shape_line(
8833 "→".into(),
8834 invisible_symbol_font_size,
8835 &[TextRun {
8836 len: "→".len(),
8837 font: self.style.text.font(),
8838 color: cx.theme().colors().editor_invisible,
8839 background_color: None,
8840 underline: None,
8841 strikethrough: None,
8842 }],
8843 None
8844 );
8845 let space_invisible = window.text_system().shape_line(
8846 "•".into(),
8847 invisible_symbol_font_size,
8848 &[TextRun {
8849 len: "•".len(),
8850 font: self.style.text.font(),
8851 color: cx.theme().colors().editor_invisible,
8852 background_color: None,
8853 underline: None,
8854 strikethrough: None,
8855 }],
8856 None
8857 );
8858
8859 let mode = snapshot.mode.clone();
8860
8861 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
8862 (vec![], vec![])
8863 } else {
8864 self.layout_diff_hunk_controls(
8865 start_row..end_row,
8866 &row_infos,
8867 &text_hitbox,
8868 newest_selection_head,
8869 line_height,
8870 right_margin,
8871 scroll_pixel_position,
8872 &display_hunks,
8873 &highlighted_rows,
8874 self.editor.clone(),
8875 window,
8876 cx,
8877 )
8878 };
8879
8880 let position_map = Rc::new(PositionMap {
8881 size: bounds.size,
8882 visible_row_range,
8883 scroll_pixel_position,
8884 scroll_max,
8885 line_layouts,
8886 line_height,
8887 em_width,
8888 em_advance,
8889 snapshot,
8890 gutter_hitbox: gutter_hitbox.clone(),
8891 text_hitbox: text_hitbox.clone(),
8892 inline_blame_bounds: inline_blame_layout
8893 .as_ref()
8894 .map(|layout| (layout.bounds, layout.entry.clone())),
8895 display_hunks: display_hunks.clone(),
8896 diff_hunk_control_bounds: diff_hunk_control_bounds.clone(),
8897 });
8898
8899 self.editor.update(cx, |editor, _| {
8900 editor.last_position_map = Some(position_map.clone())
8901 });
8902
8903 EditorLayout {
8904 mode,
8905 position_map,
8906 visible_display_row_range: start_row..end_row,
8907 wrap_guides,
8908 indent_guides,
8909 hitbox,
8910 gutter_hitbox,
8911 display_hunks,
8912 content_origin,
8913 scrollbars_layout,
8914 minimap,
8915 active_rows,
8916 highlighted_rows,
8917 highlighted_ranges,
8918 highlighted_gutter_ranges,
8919 redacted_ranges,
8920 document_colors,
8921 line_elements,
8922 line_numbers,
8923 blamed_display_rows,
8924 inline_diagnostics,
8925 inline_blame_layout,
8926 inline_code_actions,
8927 blocks,
8928 cursors,
8929 visible_cursors,
8930 selections,
8931 inline_completion_popover,
8932 diff_hunk_controls,
8933 mouse_context_menu,
8934 test_indicators,
8935 breakpoints,
8936 crease_toggles,
8937 crease_trailers,
8938 tab_invisible,
8939 space_invisible,
8940 sticky_buffer_header,
8941 expand_toggles,
8942 }
8943 })
8944 })
8945 })
8946 }
8947
8948 fn paint(
8949 &mut self,
8950 _: Option<&GlobalElementId>,
8951 _inspector_id: Option<&gpui::InspectorElementId>,
8952 bounds: Bounds<gpui::Pixels>,
8953 _: &mut Self::RequestLayoutState,
8954 layout: &mut Self::PrepaintState,
8955 window: &mut Window,
8956 cx: &mut App,
8957 ) {
8958 let focus_handle = self.editor.focus_handle(cx);
8959 let key_context = self
8960 .editor
8961 .update(cx, |editor, cx| editor.key_context(window, cx));
8962
8963 window.set_key_context(key_context);
8964 window.handle_input(
8965 &focus_handle,
8966 ElementInputHandler::new(bounds, self.editor.clone()),
8967 cx,
8968 );
8969 self.register_actions(window, cx);
8970 self.register_key_listeners(window, cx, layout);
8971
8972 let text_style = TextStyleRefinement {
8973 font_size: Some(self.style.text.font_size),
8974 line_height: Some(self.style.text.line_height),
8975 ..Default::default()
8976 };
8977 let rem_size = self.rem_size(cx);
8978 window.with_rem_size(rem_size, |window| {
8979 window.with_text_style(Some(text_style), |window| {
8980 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8981 self.paint_mouse_listeners(layout, window, cx);
8982 self.paint_background(layout, window, cx);
8983 self.paint_indent_guides(layout, window, cx);
8984
8985 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8986 self.paint_blamed_display_rows(layout, window, cx);
8987 self.paint_line_numbers(layout, window, cx);
8988 }
8989
8990 self.paint_text(layout, window, cx);
8991
8992 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8993 self.paint_gutter_highlights(layout, window, cx);
8994 self.paint_gutter_indicators(layout, window, cx);
8995 }
8996
8997 if !layout.blocks.is_empty() {
8998 window.with_element_namespace("blocks", |window| {
8999 self.paint_blocks(layout, window, cx);
9000 });
9001 }
9002
9003 window.with_element_namespace("blocks", |window| {
9004 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9005 sticky_header.paint(window, cx)
9006 }
9007 });
9008
9009 self.paint_minimap(layout, window, cx);
9010 self.paint_scrollbars(layout, window, cx);
9011 self.paint_inline_completion_popover(layout, window, cx);
9012 self.paint_mouse_context_menu(layout, window, cx);
9013 });
9014 })
9015 })
9016 }
9017}
9018
9019pub(super) fn gutter_bounds(
9020 editor_bounds: Bounds<Pixels>,
9021 gutter_dimensions: GutterDimensions,
9022) -> Bounds<Pixels> {
9023 Bounds {
9024 origin: editor_bounds.origin,
9025 size: size(gutter_dimensions.width, editor_bounds.size.height),
9026 }
9027}
9028
9029#[derive(Clone, Copy)]
9030struct ContextMenuLayout {
9031 y_flipped: bool,
9032 bounds: Bounds<Pixels>,
9033}
9034
9035/// Holds information required for layouting the editor scrollbars.
9036struct ScrollbarLayoutInformation {
9037 /// The bounds of the editor area (excluding the content offset).
9038 editor_bounds: Bounds<Pixels>,
9039 /// The available range to scroll within the document.
9040 scroll_range: Size<Pixels>,
9041 /// The space available for one glyph in the editor.
9042 glyph_grid_cell: Size<Pixels>,
9043}
9044
9045impl ScrollbarLayoutInformation {
9046 pub fn new(
9047 editor_bounds: Bounds<Pixels>,
9048 glyph_grid_cell: Size<Pixels>,
9049 document_size: Size<Pixels>,
9050 longest_line_blame_width: Pixels,
9051 editor_width: Pixels,
9052 settings: &EditorSettings,
9053 ) -> Self {
9054 let vertical_overscroll = match settings.scroll_beyond_last_line {
9055 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9056 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9057 ScrollBeyondLastLine::VerticalScrollMargin => {
9058 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9059 }
9060 };
9061
9062 let right_margin = if document_size.width + longest_line_blame_width >= editor_width {
9063 glyph_grid_cell.width
9064 } else {
9065 px(0.0)
9066 };
9067
9068 let overscroll = size(right_margin + longest_line_blame_width, vertical_overscroll);
9069
9070 let scroll_range = document_size + overscroll;
9071
9072 ScrollbarLayoutInformation {
9073 editor_bounds,
9074 scroll_range,
9075 glyph_grid_cell,
9076 }
9077 }
9078}
9079
9080impl IntoElement for EditorElement {
9081 type Element = Self;
9082
9083 fn into_element(self) -> Self::Element {
9084 self
9085 }
9086}
9087
9088pub struct EditorLayout {
9089 position_map: Rc<PositionMap>,
9090 hitbox: Hitbox,
9091 gutter_hitbox: Hitbox,
9092 content_origin: gpui::Point<Pixels>,
9093 scrollbars_layout: Option<EditorScrollbars>,
9094 minimap: Option<MinimapLayout>,
9095 mode: EditorMode,
9096 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9097 indent_guides: Option<Vec<IndentGuideLayout>>,
9098 visible_display_row_range: Range<DisplayRow>,
9099 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9100 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9101 line_elements: SmallVec<[AnyElement; 1]>,
9102 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9103 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9104 blamed_display_rows: Option<Vec<AnyElement>>,
9105 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9106 inline_blame_layout: Option<InlineBlameLayout>,
9107 inline_code_actions: Option<AnyElement>,
9108 blocks: Vec<BlockLayout>,
9109 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9110 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9111 redacted_ranges: Vec<Range<DisplayPoint>>,
9112 cursors: Vec<(DisplayPoint, Hsla)>,
9113 visible_cursors: Vec<CursorLayout>,
9114 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9115 test_indicators: Vec<AnyElement>,
9116 breakpoints: Vec<AnyElement>,
9117 crease_toggles: Vec<Option<AnyElement>>,
9118 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9119 diff_hunk_controls: Vec<AnyElement>,
9120 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9121 inline_completion_popover: Option<AnyElement>,
9122 mouse_context_menu: Option<AnyElement>,
9123 tab_invisible: ShapedLine,
9124 space_invisible: ShapedLine,
9125 sticky_buffer_header: Option<AnyElement>,
9126 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9127}
9128
9129impl EditorLayout {
9130 fn line_end_overshoot(&self) -> Pixels {
9131 0.15 * self.position_map.line_height
9132 }
9133}
9134
9135struct LineNumberLayout {
9136 shaped_line: ShapedLine,
9137 hitbox: Option<Hitbox>,
9138}
9139
9140struct ColoredRange<T> {
9141 start: T,
9142 end: T,
9143 color: Hsla,
9144}
9145
9146impl Along for ScrollbarAxes {
9147 type Unit = bool;
9148
9149 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9150 match axis {
9151 ScrollbarAxis::Horizontal => self.horizontal,
9152 ScrollbarAxis::Vertical => self.vertical,
9153 }
9154 }
9155
9156 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9157 match axis {
9158 ScrollbarAxis::Horizontal => ScrollbarAxes {
9159 horizontal: f(self.horizontal),
9160 vertical: self.vertical,
9161 },
9162 ScrollbarAxis::Vertical => ScrollbarAxes {
9163 horizontal: self.horizontal,
9164 vertical: f(self.vertical),
9165 },
9166 }
9167 }
9168}
9169
9170#[derive(Clone)]
9171struct EditorScrollbars {
9172 pub vertical: Option<ScrollbarLayout>,
9173 pub horizontal: Option<ScrollbarLayout>,
9174 pub visible: bool,
9175}
9176
9177impl EditorScrollbars {
9178 pub fn from_scrollbar_axes(
9179 settings_visibility: ScrollbarAxes,
9180 layout_information: &ScrollbarLayoutInformation,
9181 content_offset: gpui::Point<Pixels>,
9182 scroll_position: gpui::Point<f32>,
9183 scrollbar_width: Pixels,
9184 right_margin: Pixels,
9185 editor_width: Pixels,
9186 show_scrollbars: bool,
9187 scrollbar_state: Option<&ActiveScrollbarState>,
9188 window: &mut Window,
9189 ) -> Self {
9190 let ScrollbarLayoutInformation {
9191 editor_bounds,
9192 scroll_range,
9193 glyph_grid_cell,
9194 } = layout_information;
9195
9196 let viewport_size = size(editor_width, editor_bounds.size.height);
9197
9198 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9199 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9200 Corner::BottomLeft,
9201 editor_bounds.bottom_left(),
9202 size(
9203 // The horizontal viewport size differs from the space available for the
9204 // horizontal scrollbar, so we have to manually stich it together here.
9205 editor_bounds.size.width - right_margin,
9206 scrollbar_width,
9207 ),
9208 ),
9209 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9210 Corner::TopRight,
9211 editor_bounds.top_right(),
9212 size(scrollbar_width, viewport_size.height),
9213 ),
9214 };
9215
9216 let mut create_scrollbar_layout = |axis| {
9217 settings_visibility
9218 .along(axis)
9219 .then(|| {
9220 (
9221 viewport_size.along(axis) - content_offset.along(axis),
9222 scroll_range.along(axis),
9223 )
9224 })
9225 .filter(|(viewport_size, scroll_range)| {
9226 // The scrollbar should only be rendered if the content does
9227 // not entirely fit into the editor
9228 // However, this only applies to the horizontal scrollbar, as information about the
9229 // vertical scrollbar layout is always needed for scrollbar diagnostics.
9230 axis != ScrollbarAxis::Horizontal || viewport_size < scroll_range
9231 })
9232 .map(|(viewport_size, scroll_range)| {
9233 ScrollbarLayout::new(
9234 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9235 viewport_size,
9236 scroll_range,
9237 glyph_grid_cell.along(axis),
9238 content_offset.along(axis),
9239 scroll_position.along(axis),
9240 show_scrollbars,
9241 axis,
9242 )
9243 .with_thumb_state(
9244 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9245 )
9246 })
9247 };
9248
9249 Self {
9250 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9251 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9252 visible: show_scrollbars,
9253 }
9254 }
9255
9256 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9257 [
9258 (&self.vertical, ScrollbarAxis::Vertical),
9259 (&self.horizontal, ScrollbarAxis::Horizontal),
9260 ]
9261 .into_iter()
9262 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9263 }
9264
9265 /// Returns the currently hovered scrollbar axis, if any.
9266 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9267 self.iter_scrollbars()
9268 .find(|s| s.0.hitbox.is_hovered(window))
9269 }
9270}
9271
9272#[derive(Clone)]
9273struct ScrollbarLayout {
9274 hitbox: Hitbox,
9275 visible_range: Range<f32>,
9276 text_unit_size: Pixels,
9277 thumb_bounds: Option<Bounds<Pixels>>,
9278 thumb_state: ScrollbarThumbState,
9279}
9280
9281impl ScrollbarLayout {
9282 const BORDER_WIDTH: Pixels = px(1.0);
9283 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9284 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9285 const MIN_THUMB_SIZE: Pixels = px(25.0);
9286
9287 fn new(
9288 scrollbar_track_hitbox: Hitbox,
9289 viewport_size: Pixels,
9290 scroll_range: Pixels,
9291 glyph_space: Pixels,
9292 content_offset: Pixels,
9293 scroll_position: f32,
9294 show_thumb: bool,
9295 axis: ScrollbarAxis,
9296 ) -> Self {
9297 let track_bounds = scrollbar_track_hitbox.bounds;
9298 // The length of the track available to the scrollbar thumb. We deliberately
9299 // exclude the content size here so that the thumb aligns with the content.
9300 let track_length = track_bounds.size.along(axis) - content_offset;
9301
9302 Self::new_with_hitbox_and_track_length(
9303 scrollbar_track_hitbox,
9304 track_length,
9305 viewport_size,
9306 scroll_range,
9307 glyph_space,
9308 content_offset,
9309 scroll_position,
9310 show_thumb,
9311 axis,
9312 )
9313 }
9314
9315 fn for_minimap(
9316 minimap_track_hitbox: Hitbox,
9317 visible_lines: f32,
9318 total_editor_lines: f32,
9319 minimap_line_height: Pixels,
9320 scroll_position: f32,
9321 minimap_scroll_top: f32,
9322 show_thumb: bool,
9323 ) -> Self {
9324 // The scrollbar thumb size is calculated as
9325 // (visible_content/total_content) × scrollbar_track_length.
9326 //
9327 // For the minimap's thumb layout, we leverage this by setting the
9328 // scrollbar track length to the entire document size (using minimap line
9329 // height). This creates a thumb that exactly represents the editor
9330 // viewport scaled to minimap proportions.
9331 //
9332 // We adjust the thumb position relative to `minimap_scroll_top` to
9333 // accommodate for the deliberately oversized track.
9334 //
9335 // This approach ensures that the minimap thumb accurately reflects the
9336 // editor's current scroll position whilst nicely synchronizing the minimap
9337 // thumb and scrollbar thumb.
9338 let scroll_range = total_editor_lines * minimap_line_height;
9339 let viewport_size = visible_lines * minimap_line_height;
9340
9341 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9342
9343 Self::new_with_hitbox_and_track_length(
9344 minimap_track_hitbox,
9345 scroll_range,
9346 viewport_size,
9347 scroll_range,
9348 minimap_line_height,
9349 track_top_offset,
9350 scroll_position,
9351 show_thumb,
9352 ScrollbarAxis::Vertical,
9353 )
9354 }
9355
9356 fn new_with_hitbox_and_track_length(
9357 scrollbar_track_hitbox: Hitbox,
9358 track_length: Pixels,
9359 viewport_size: Pixels,
9360 scroll_range: Pixels,
9361 glyph_space: Pixels,
9362 content_offset: Pixels,
9363 scroll_position: f32,
9364 show_thumb: bool,
9365 axis: ScrollbarAxis,
9366 ) -> Self {
9367 let text_units_per_page = viewport_size / glyph_space;
9368 let visible_range = scroll_position..scroll_position + text_units_per_page;
9369 let total_text_units = scroll_range / glyph_space;
9370
9371 let thumb_percentage = text_units_per_page / total_text_units;
9372 let thumb_size = (track_length * thumb_percentage)
9373 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9374 .min(track_length);
9375
9376 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9377
9378 let content_larger_than_viewport = text_unit_divisor > 0.;
9379
9380 let text_unit_size = if content_larger_than_viewport {
9381 (track_length - thumb_size) / text_unit_divisor
9382 } else {
9383 glyph_space
9384 };
9385
9386 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9387 Self::thumb_bounds(
9388 &scrollbar_track_hitbox,
9389 content_offset,
9390 visible_range.start,
9391 text_unit_size,
9392 thumb_size,
9393 axis,
9394 )
9395 });
9396
9397 ScrollbarLayout {
9398 hitbox: scrollbar_track_hitbox,
9399 visible_range,
9400 text_unit_size,
9401 thumb_bounds,
9402 thumb_state: Default::default(),
9403 }
9404 }
9405
9406 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9407 if let Some(thumb_state) = thumb_state {
9408 Self {
9409 thumb_state,
9410 ..self
9411 }
9412 } else {
9413 self
9414 }
9415 }
9416
9417 fn thumb_bounds(
9418 scrollbar_track: &Hitbox,
9419 content_offset: Pixels,
9420 visible_range_start: f32,
9421 text_unit_size: Pixels,
9422 thumb_size: Pixels,
9423 axis: ScrollbarAxis,
9424 ) -> Bounds<Pixels> {
9425 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9426 origin + content_offset + visible_range_start * text_unit_size
9427 });
9428 Bounds::new(
9429 thumb_origin,
9430 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9431 )
9432 }
9433
9434 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9435 self.thumb_bounds
9436 .is_some_and(|bounds| bounds.contains(position))
9437 }
9438
9439 fn marker_quads_for_ranges(
9440 &self,
9441 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9442 column: Option<usize>,
9443 ) -> Vec<PaintQuad> {
9444 struct MinMax {
9445 min: Pixels,
9446 max: Pixels,
9447 }
9448 let (x_range, height_limit) = if let Some(column) = column {
9449 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9450 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9451 let end = start + column_width;
9452 (
9453 Range { start, end },
9454 MinMax {
9455 min: Self::MIN_MARKER_HEIGHT,
9456 max: px(f32::MAX),
9457 },
9458 )
9459 } else {
9460 (
9461 Range {
9462 start: Self::BORDER_WIDTH,
9463 end: self.hitbox.size.width,
9464 },
9465 MinMax {
9466 min: Self::LINE_MARKER_HEIGHT,
9467 max: Self::LINE_MARKER_HEIGHT,
9468 },
9469 )
9470 };
9471
9472 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9473 let mut pixel_ranges = row_ranges
9474 .into_iter()
9475 .map(|range| {
9476 let start_y = row_to_y(range.start);
9477 let end_y = row_to_y(range.end)
9478 + self
9479 .text_unit_size
9480 .max(height_limit.min)
9481 .min(height_limit.max);
9482 ColoredRange {
9483 start: start_y,
9484 end: end_y,
9485 color: range.color,
9486 }
9487 })
9488 .peekable();
9489
9490 let mut quads = Vec::new();
9491 while let Some(mut pixel_range) = pixel_ranges.next() {
9492 while let Some(next_pixel_range) = pixel_ranges.peek() {
9493 if pixel_range.end >= next_pixel_range.start - px(1.0)
9494 && pixel_range.color == next_pixel_range.color
9495 {
9496 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9497 pixel_ranges.next();
9498 } else {
9499 break;
9500 }
9501 }
9502
9503 let bounds = Bounds::from_corners(
9504 point(x_range.start, pixel_range.start),
9505 point(x_range.end, pixel_range.end),
9506 );
9507 quads.push(quad(
9508 bounds,
9509 Corners::default(),
9510 pixel_range.color,
9511 Edges::default(),
9512 Hsla::transparent_black(),
9513 BorderStyle::default(),
9514 ));
9515 }
9516
9517 quads
9518 }
9519}
9520
9521struct MinimapLayout {
9522 pub minimap: AnyElement,
9523 pub thumb_layout: ScrollbarLayout,
9524 pub minimap_scroll_top: f32,
9525 pub minimap_line_height: Pixels,
9526 pub thumb_border_style: MinimapThumbBorder,
9527 pub max_scroll_top: f32,
9528}
9529
9530impl MinimapLayout {
9531 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9532 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9533 /// The minimap width as a percentage of the editor width.
9534 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9535 /// Calculates the scroll top offset the minimap editor has to have based on the
9536 /// current scroll progress.
9537 fn calculate_minimap_top_offset(
9538 document_lines: f32,
9539 visible_editor_lines: f32,
9540 visible_minimap_lines: f32,
9541 scroll_position: f32,
9542 ) -> f32 {
9543 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9544 if non_visible_document_lines == 0. {
9545 0.
9546 } else {
9547 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9548 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9549 }
9550 }
9551}
9552
9553struct CreaseTrailerLayout {
9554 element: AnyElement,
9555 bounds: Bounds<Pixels>,
9556}
9557
9558pub(crate) struct PositionMap {
9559 pub size: Size<Pixels>,
9560 pub line_height: Pixels,
9561 pub scroll_pixel_position: gpui::Point<Pixels>,
9562 pub scroll_max: gpui::Point<f32>,
9563 pub em_width: Pixels,
9564 pub em_advance: Pixels,
9565 pub visible_row_range: Range<DisplayRow>,
9566 pub line_layouts: Vec<LineWithInvisibles>,
9567 pub snapshot: EditorSnapshot,
9568 pub text_hitbox: Hitbox,
9569 pub gutter_hitbox: Hitbox,
9570 pub inline_blame_bounds: Option<(Bounds<Pixels>, BlameEntry)>,
9571 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9572 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9573}
9574
9575#[derive(Debug, Copy, Clone)]
9576pub struct PointForPosition {
9577 pub previous_valid: DisplayPoint,
9578 pub next_valid: DisplayPoint,
9579 pub exact_unclipped: DisplayPoint,
9580 pub column_overshoot_after_line_end: u32,
9581}
9582
9583impl PointForPosition {
9584 pub fn as_valid(&self) -> Option<DisplayPoint> {
9585 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9586 Some(self.previous_valid)
9587 } else {
9588 None
9589 }
9590 }
9591
9592 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
9593 let Some(valid_point) = self.as_valid() else {
9594 return false;
9595 };
9596 let range = selection.range();
9597
9598 let candidate_row = valid_point.row();
9599 let candidate_col = valid_point.column();
9600
9601 let start_row = range.start.row();
9602 let start_col = range.start.column();
9603 let end_row = range.end.row();
9604 let end_col = range.end.column();
9605
9606 if candidate_row < start_row || candidate_row > end_row {
9607 false
9608 } else if start_row == end_row {
9609 candidate_col >= start_col && candidate_col < end_col
9610 } else {
9611 if candidate_row == start_row {
9612 candidate_col >= start_col
9613 } else if candidate_row == end_row {
9614 candidate_col < end_col
9615 } else {
9616 true
9617 }
9618 }
9619 }
9620}
9621
9622impl PositionMap {
9623 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
9624 let text_bounds = self.text_hitbox.bounds;
9625 let scroll_position = self.snapshot.scroll_position();
9626 let position = position - text_bounds.origin;
9627 let y = position.y.max(px(0.)).min(self.size.height);
9628 let x = position.x + (scroll_position.x * self.em_advance);
9629 let row = ((y / self.line_height) + scroll_position.y) as u32;
9630
9631 let (column, x_overshoot_after_line_end) = if let Some(line) = self
9632 .line_layouts
9633 .get(row as usize - scroll_position.y as usize)
9634 {
9635 if let Some(ix) = line.index_for_x(x) {
9636 (ix as u32, px(0.))
9637 } else {
9638 (line.len as u32, px(0.).max(x - line.width))
9639 }
9640 } else {
9641 (0, x)
9642 };
9643
9644 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
9645 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
9646 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
9647
9648 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
9649 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
9650 PointForPosition {
9651 previous_valid,
9652 next_valid,
9653 exact_unclipped,
9654 column_overshoot_after_line_end,
9655 }
9656 }
9657}
9658
9659struct BlockLayout {
9660 id: BlockId,
9661 x_offset: Pixels,
9662 row: Option<DisplayRow>,
9663 element: AnyElement,
9664 available_space: Size<AvailableSpace>,
9665 style: BlockStyle,
9666 overlaps_gutter: bool,
9667 is_buffer_header: bool,
9668}
9669
9670pub fn layout_line(
9671 row: DisplayRow,
9672 snapshot: &EditorSnapshot,
9673 style: &EditorStyle,
9674 text_width: Pixels,
9675 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
9676 window: &mut Window,
9677 cx: &mut App,
9678) -> LineWithInvisibles {
9679 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
9680 LineWithInvisibles::from_chunks(
9681 chunks,
9682 &style,
9683 MAX_LINE_LEN,
9684 1,
9685 &snapshot.mode,
9686 text_width,
9687 is_row_soft_wrapped,
9688 window,
9689 cx,
9690 )
9691 .pop()
9692 .unwrap()
9693}
9694
9695#[derive(Debug)]
9696pub struct IndentGuideLayout {
9697 origin: gpui::Point<Pixels>,
9698 length: Pixels,
9699 single_indent_width: Pixels,
9700 depth: u32,
9701 active: bool,
9702 settings: IndentGuideSettings,
9703}
9704
9705pub struct CursorLayout {
9706 origin: gpui::Point<Pixels>,
9707 block_width: Pixels,
9708 line_height: Pixels,
9709 color: Hsla,
9710 shape: CursorShape,
9711 block_text: Option<ShapedLine>,
9712 cursor_name: Option<AnyElement>,
9713}
9714
9715#[derive(Debug)]
9716pub struct CursorName {
9717 string: SharedString,
9718 color: Hsla,
9719 is_top_row: bool,
9720}
9721
9722impl CursorLayout {
9723 pub fn new(
9724 origin: gpui::Point<Pixels>,
9725 block_width: Pixels,
9726 line_height: Pixels,
9727 color: Hsla,
9728 shape: CursorShape,
9729 block_text: Option<ShapedLine>,
9730 ) -> CursorLayout {
9731 CursorLayout {
9732 origin,
9733 block_width,
9734 line_height,
9735 color,
9736 shape,
9737 block_text,
9738 cursor_name: None,
9739 }
9740 }
9741
9742 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9743 Bounds {
9744 origin: self.origin + origin,
9745 size: size(self.block_width, self.line_height),
9746 }
9747 }
9748
9749 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9750 match self.shape {
9751 CursorShape::Bar => Bounds {
9752 origin: self.origin + origin,
9753 size: size(px(2.0), self.line_height),
9754 },
9755 CursorShape::Block | CursorShape::Hollow => Bounds {
9756 origin: self.origin + origin,
9757 size: size(self.block_width, self.line_height),
9758 },
9759 CursorShape::Underline => Bounds {
9760 origin: self.origin
9761 + origin
9762 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
9763 size: size(self.block_width, px(2.0)),
9764 },
9765 }
9766 }
9767
9768 pub fn layout(
9769 &mut self,
9770 origin: gpui::Point<Pixels>,
9771 cursor_name: Option<CursorName>,
9772 window: &mut Window,
9773 cx: &mut App,
9774 ) {
9775 if let Some(cursor_name) = cursor_name {
9776 let bounds = self.bounds(origin);
9777 let text_size = self.line_height / 1.5;
9778
9779 let name_origin = if cursor_name.is_top_row {
9780 point(bounds.right() - px(1.), bounds.top())
9781 } else {
9782 match self.shape {
9783 CursorShape::Bar => point(
9784 bounds.right() - px(2.),
9785 bounds.top() - text_size / 2. - px(1.),
9786 ),
9787 _ => point(
9788 bounds.right() - px(1.),
9789 bounds.top() - text_size / 2. - px(1.),
9790 ),
9791 }
9792 };
9793 let mut name_element = div()
9794 .bg(self.color)
9795 .text_size(text_size)
9796 .px_0p5()
9797 .line_height(text_size + px(2.))
9798 .text_color(cursor_name.color)
9799 .child(cursor_name.string.clone())
9800 .into_any_element();
9801
9802 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
9803
9804 self.cursor_name = Some(name_element);
9805 }
9806 }
9807
9808 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
9809 let bounds = self.bounds(origin);
9810
9811 //Draw background or border quad
9812 let cursor = if matches!(self.shape, CursorShape::Hollow) {
9813 outline(bounds, self.color, BorderStyle::Solid)
9814 } else {
9815 fill(bounds, self.color)
9816 };
9817
9818 if let Some(name) = &mut self.cursor_name {
9819 name.paint(window, cx);
9820 }
9821
9822 window.paint_quad(cursor);
9823
9824 if let Some(block_text) = &self.block_text {
9825 block_text
9826 .paint(self.origin + origin, self.line_height, window, cx)
9827 .log_err();
9828 }
9829 }
9830
9831 pub fn shape(&self) -> CursorShape {
9832 self.shape
9833 }
9834}
9835
9836#[derive(Debug)]
9837pub struct HighlightedRange {
9838 pub start_y: Pixels,
9839 pub line_height: Pixels,
9840 pub lines: Vec<HighlightedRangeLine>,
9841 pub color: Hsla,
9842 pub corner_radius: Pixels,
9843}
9844
9845#[derive(Debug)]
9846pub struct HighlightedRangeLine {
9847 pub start_x: Pixels,
9848 pub end_x: Pixels,
9849}
9850
9851impl HighlightedRange {
9852 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
9853 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
9854 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
9855 self.paint_lines(
9856 self.start_y + self.line_height,
9857 &self.lines[1..],
9858 fill,
9859 bounds,
9860 window,
9861 );
9862 } else {
9863 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
9864 }
9865 }
9866
9867 fn paint_lines(
9868 &self,
9869 start_y: Pixels,
9870 lines: &[HighlightedRangeLine],
9871 fill: bool,
9872 _bounds: Bounds<Pixels>,
9873 window: &mut Window,
9874 ) {
9875 if lines.is_empty() {
9876 return;
9877 }
9878
9879 let first_line = lines.first().unwrap();
9880 let last_line = lines.last().unwrap();
9881
9882 let first_top_left = point(first_line.start_x, start_y);
9883 let first_top_right = point(first_line.end_x, start_y);
9884
9885 let curve_height = point(Pixels::ZERO, self.corner_radius);
9886 let curve_width = |start_x: Pixels, end_x: Pixels| {
9887 let max = (end_x - start_x) / 2.;
9888 let width = if max < self.corner_radius {
9889 max
9890 } else {
9891 self.corner_radius
9892 };
9893
9894 point(width, Pixels::ZERO)
9895 };
9896
9897 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
9898 let mut builder = if fill {
9899 gpui::PathBuilder::fill()
9900 } else {
9901 gpui::PathBuilder::stroke(px(1.))
9902 };
9903 builder.move_to(first_top_right - top_curve_width);
9904 builder.curve_to(first_top_right + curve_height, first_top_right);
9905
9906 let mut iter = lines.iter().enumerate().peekable();
9907 while let Some((ix, line)) = iter.next() {
9908 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
9909
9910 if let Some((_, next_line)) = iter.peek() {
9911 let next_top_right = point(next_line.end_x, bottom_right.y);
9912
9913 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
9914 Ordering::Equal => {
9915 builder.line_to(bottom_right);
9916 }
9917 Ordering::Less => {
9918 let curve_width = curve_width(next_top_right.x, bottom_right.x);
9919 builder.line_to(bottom_right - curve_height);
9920 if self.corner_radius > Pixels::ZERO {
9921 builder.curve_to(bottom_right - curve_width, bottom_right);
9922 }
9923 builder.line_to(next_top_right + curve_width);
9924 if self.corner_radius > Pixels::ZERO {
9925 builder.curve_to(next_top_right + curve_height, next_top_right);
9926 }
9927 }
9928 Ordering::Greater => {
9929 let curve_width = curve_width(bottom_right.x, next_top_right.x);
9930 builder.line_to(bottom_right - curve_height);
9931 if self.corner_radius > Pixels::ZERO {
9932 builder.curve_to(bottom_right + curve_width, bottom_right);
9933 }
9934 builder.line_to(next_top_right - curve_width);
9935 if self.corner_radius > Pixels::ZERO {
9936 builder.curve_to(next_top_right + curve_height, next_top_right);
9937 }
9938 }
9939 }
9940 } else {
9941 let curve_width = curve_width(line.start_x, line.end_x);
9942 builder.line_to(bottom_right - curve_height);
9943 if self.corner_radius > Pixels::ZERO {
9944 builder.curve_to(bottom_right - curve_width, bottom_right);
9945 }
9946
9947 let bottom_left = point(line.start_x, bottom_right.y);
9948 builder.line_to(bottom_left + curve_width);
9949 if self.corner_radius > Pixels::ZERO {
9950 builder.curve_to(bottom_left - curve_height, bottom_left);
9951 }
9952 }
9953 }
9954
9955 if first_line.start_x > last_line.start_x {
9956 let curve_width = curve_width(last_line.start_x, first_line.start_x);
9957 let second_top_left = point(last_line.start_x, start_y + self.line_height);
9958 builder.line_to(second_top_left + curve_height);
9959 if self.corner_radius > Pixels::ZERO {
9960 builder.curve_to(second_top_left + curve_width, second_top_left);
9961 }
9962 let first_bottom_left = point(first_line.start_x, second_top_left.y);
9963 builder.line_to(first_bottom_left - curve_width);
9964 if self.corner_radius > Pixels::ZERO {
9965 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
9966 }
9967 }
9968
9969 builder.line_to(first_top_left + curve_height);
9970 if self.corner_radius > Pixels::ZERO {
9971 builder.curve_to(first_top_left + top_curve_width, first_top_left);
9972 }
9973 builder.line_to(first_top_right - top_curve_width);
9974
9975 if let Ok(path) = builder.build() {
9976 window.paint_path(path, self.color);
9977 }
9978 }
9979}
9980
9981enum CursorPopoverType {
9982 CodeContextMenu,
9983 EditPrediction,
9984}
9985
9986pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9987 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
9988}
9989
9990fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9991 (delta.pow(1.2) / 300.0).into()
9992}
9993
9994pub fn register_action<T: Action>(
9995 editor: &Entity<Editor>,
9996 window: &mut Window,
9997 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
9998) {
9999 let editor = editor.clone();
10000 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10001 let action = action.downcast_ref().unwrap();
10002 if phase == DispatchPhase::Bubble {
10003 editor.update(cx, |editor, cx| {
10004 listener(editor, action, window, cx);
10005 })
10006 }
10007 })
10008}
10009
10010fn compute_auto_height_layout(
10011 editor: &mut Editor,
10012 min_lines: usize,
10013 max_lines: Option<usize>,
10014 max_line_number_width: Pixels,
10015 known_dimensions: Size<Option<Pixels>>,
10016 available_width: AvailableSpace,
10017 window: &mut Window,
10018 cx: &mut Context<Editor>,
10019) -> Option<Size<Pixels>> {
10020 let width = known_dimensions.width.or({
10021 if let AvailableSpace::Definite(available_width) = available_width {
10022 Some(available_width)
10023 } else {
10024 None
10025 }
10026 })?;
10027 if let Some(height) = known_dimensions.height {
10028 return Some(size(width, height));
10029 }
10030
10031 let style = editor.style.as_ref().unwrap();
10032 let font_id = window.text_system().resolve_font(&style.text.font());
10033 let font_size = style.text.font_size.to_pixels(window.rem_size());
10034 let line_height = style.text.line_height_in_pixels(window.rem_size());
10035 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10036
10037 let mut snapshot = editor.snapshot(window, cx);
10038 let gutter_dimensions = snapshot
10039 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10040 .or_else(|| {
10041 editor
10042 .offset_content
10043 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10044 })
10045 .unwrap_or_default();
10046
10047 editor.gutter_dimensions = gutter_dimensions;
10048 let text_width = width - gutter_dimensions.width;
10049 let overscroll = size(em_width, px(0.));
10050
10051 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10052 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None) {
10053 if editor.set_wrap_width(Some(editor_width), cx) {
10054 snapshot = editor.snapshot(window, cx);
10055 }
10056 }
10057
10058 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10059
10060 let min_height = line_height * min_lines as f32;
10061 let content_height = scroll_height.max(min_height);
10062
10063 let final_height = if let Some(max_lines) = max_lines {
10064 let max_height = line_height * max_lines as f32;
10065 content_height.min(max_height)
10066 } else {
10067 content_height
10068 };
10069
10070 Some(size(width, final_height))
10071}
10072
10073#[cfg(test)]
10074mod tests {
10075 use super::*;
10076 use crate::{
10077 Editor, MultiBuffer, SelectionEffects,
10078 display_map::{BlockPlacement, BlockProperties},
10079 editor_tests::{init_test, update_test_language_settings},
10080 };
10081 use gpui::{TestAppContext, VisualTestContext};
10082 use language::language_settings;
10083 use log::info;
10084 use std::num::NonZeroU32;
10085 use util::test::sample_text;
10086
10087 #[gpui::test]
10088 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10089 init_test(cx, |_| {});
10090 let window = cx.add_window(|window, cx| {
10091 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10092 Editor::new(EditorMode::full(), buffer, None, window, cx)
10093 });
10094
10095 let editor = window.root(cx).unwrap();
10096 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10097 let line_height = window
10098 .update(cx, |_, window, _| {
10099 style.text.line_height_in_pixels(window.rem_size())
10100 })
10101 .unwrap();
10102 let element = EditorElement::new(&editor, style);
10103 let snapshot = window
10104 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10105 .unwrap();
10106
10107 let layouts = cx
10108 .update_window(*window, |_, window, cx| {
10109 element.layout_line_numbers(
10110 None,
10111 GutterDimensions {
10112 left_padding: Pixels::ZERO,
10113 right_padding: Pixels::ZERO,
10114 width: px(30.0),
10115 margin: Pixels::ZERO,
10116 git_blame_entries_width: None,
10117 },
10118 line_height,
10119 gpui::Point::default(),
10120 DisplayRow(0)..DisplayRow(6),
10121 &(0..6)
10122 .map(|row| RowInfo {
10123 buffer_row: Some(row),
10124 ..Default::default()
10125 })
10126 .collect::<Vec<_>>(),
10127 &BTreeMap::default(),
10128 Some(DisplayPoint::new(DisplayRow(0), 0)),
10129 &snapshot,
10130 window,
10131 cx,
10132 )
10133 })
10134 .unwrap();
10135 assert_eq!(layouts.len(), 6);
10136
10137 let relative_rows = window
10138 .update(cx, |editor, window, cx| {
10139 let snapshot = editor.snapshot(window, cx);
10140 element.calculate_relative_line_numbers(
10141 &snapshot,
10142 &(DisplayRow(0)..DisplayRow(6)),
10143 Some(DisplayRow(3)),
10144 )
10145 })
10146 .unwrap();
10147 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10148 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10149 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10150 // current line has no relative number
10151 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10152 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10153
10154 // works if cursor is before screen
10155 let relative_rows = window
10156 .update(cx, |editor, window, cx| {
10157 let snapshot = editor.snapshot(window, cx);
10158 element.calculate_relative_line_numbers(
10159 &snapshot,
10160 &(DisplayRow(3)..DisplayRow(6)),
10161 Some(DisplayRow(1)),
10162 )
10163 })
10164 .unwrap();
10165 assert_eq!(relative_rows.len(), 3);
10166 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10167 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10168 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10169
10170 // works if cursor is after screen
10171 let relative_rows = window
10172 .update(cx, |editor, window, cx| {
10173 let snapshot = editor.snapshot(window, cx);
10174 element.calculate_relative_line_numbers(
10175 &snapshot,
10176 &(DisplayRow(0)..DisplayRow(3)),
10177 Some(DisplayRow(6)),
10178 )
10179 })
10180 .unwrap();
10181 assert_eq!(relative_rows.len(), 3);
10182 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10183 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10184 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10185 }
10186
10187 #[gpui::test]
10188 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10189 init_test(cx, |_| {});
10190
10191 let window = cx.add_window(|window, cx| {
10192 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10193 Editor::new(EditorMode::full(), buffer, None, window, cx)
10194 });
10195 let cx = &mut VisualTestContext::from_window(*window, cx);
10196 let editor = window.root(cx).unwrap();
10197 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10198
10199 window
10200 .update(cx, |editor, window, cx| {
10201 editor.cursor_shape = CursorShape::Block;
10202 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10203 s.select_ranges([
10204 Point::new(0, 0)..Point::new(1, 0),
10205 Point::new(3, 2)..Point::new(3, 3),
10206 Point::new(5, 6)..Point::new(6, 0),
10207 ]);
10208 });
10209 })
10210 .unwrap();
10211
10212 let (_, state) = cx.draw(
10213 point(px(500.), px(500.)),
10214 size(px(500.), px(500.)),
10215 |_, _| EditorElement::new(&editor, style),
10216 );
10217
10218 assert_eq!(state.selections.len(), 1);
10219 let local_selections = &state.selections[0].1;
10220 assert_eq!(local_selections.len(), 3);
10221 // moves cursor back one line
10222 assert_eq!(
10223 local_selections[0].head,
10224 DisplayPoint::new(DisplayRow(0), 6)
10225 );
10226 assert_eq!(
10227 local_selections[0].range,
10228 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10229 );
10230
10231 // moves cursor back one column
10232 assert_eq!(
10233 local_selections[1].range,
10234 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10235 );
10236 assert_eq!(
10237 local_selections[1].head,
10238 DisplayPoint::new(DisplayRow(3), 2)
10239 );
10240
10241 // leaves cursor on the max point
10242 assert_eq!(
10243 local_selections[2].range,
10244 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10245 );
10246 assert_eq!(
10247 local_selections[2].head,
10248 DisplayPoint::new(DisplayRow(6), 0)
10249 );
10250
10251 // active lines does not include 1 (even though the range of the selection does)
10252 assert_eq!(
10253 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10254 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10255 );
10256 }
10257
10258 #[gpui::test]
10259 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10260 init_test(cx, |_| {});
10261
10262 let window = cx.add_window(|window, cx| {
10263 let buffer = MultiBuffer::build_simple("", cx);
10264 Editor::new(EditorMode::full(), buffer, None, window, cx)
10265 });
10266 let cx = &mut VisualTestContext::from_window(*window, cx);
10267 let editor = window.root(cx).unwrap();
10268 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10269 window
10270 .update(cx, |editor, window, cx| {
10271 editor.set_placeholder_text("hello", cx);
10272 editor.insert_blocks(
10273 [BlockProperties {
10274 style: BlockStyle::Fixed,
10275 placement: BlockPlacement::Above(Anchor::min()),
10276 height: Some(3),
10277 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10278 priority: 0,
10279 render_in_minimap: true,
10280 }],
10281 None,
10282 cx,
10283 );
10284
10285 // Blur the editor so that it displays placeholder text.
10286 window.blur();
10287 })
10288 .unwrap();
10289
10290 let (_, state) = cx.draw(
10291 point(px(500.), px(500.)),
10292 size(px(500.), px(500.)),
10293 |_, _| EditorElement::new(&editor, style),
10294 );
10295 assert_eq!(state.position_map.line_layouts.len(), 4);
10296 assert_eq!(state.line_numbers.len(), 1);
10297 assert_eq!(
10298 state
10299 .line_numbers
10300 .get(&MultiBufferRow(0))
10301 .map(|line_number| line_number.shaped_line.text.as_ref()),
10302 Some("1")
10303 );
10304 }
10305
10306 #[gpui::test]
10307 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10308 const TAB_SIZE: u32 = 4;
10309
10310 let input_text = "\t \t|\t| a b";
10311 let expected_invisibles = vec![
10312 Invisible::Tab {
10313 line_start_offset: 0,
10314 line_end_offset: TAB_SIZE as usize,
10315 },
10316 Invisible::Whitespace {
10317 line_offset: TAB_SIZE as usize,
10318 },
10319 Invisible::Tab {
10320 line_start_offset: TAB_SIZE as usize + 1,
10321 line_end_offset: TAB_SIZE as usize * 2,
10322 },
10323 Invisible::Tab {
10324 line_start_offset: TAB_SIZE as usize * 2 + 1,
10325 line_end_offset: TAB_SIZE as usize * 3,
10326 },
10327 Invisible::Whitespace {
10328 line_offset: TAB_SIZE as usize * 3 + 1,
10329 },
10330 Invisible::Whitespace {
10331 line_offset: TAB_SIZE as usize * 3 + 3,
10332 },
10333 ];
10334 assert_eq!(
10335 expected_invisibles.len(),
10336 input_text
10337 .chars()
10338 .filter(|initial_char| initial_char.is_whitespace())
10339 .count(),
10340 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10341 );
10342
10343 for show_line_numbers in [true, false] {
10344 init_test(cx, |s| {
10345 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10346 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10347 });
10348
10349 let actual_invisibles = collect_invisibles_from_new_editor(
10350 cx,
10351 EditorMode::full(),
10352 input_text,
10353 px(500.0),
10354 show_line_numbers,
10355 );
10356
10357 assert_eq!(expected_invisibles, actual_invisibles);
10358 }
10359 }
10360
10361 #[gpui::test]
10362 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10363 init_test(cx, |s| {
10364 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10365 s.defaults.tab_size = NonZeroU32::new(4);
10366 });
10367
10368 for editor_mode_without_invisibles in [
10369 EditorMode::SingleLine { auto_width: false },
10370 EditorMode::AutoHeight {
10371 min_lines: 1,
10372 max_lines: Some(100),
10373 },
10374 ] {
10375 for show_line_numbers in [true, false] {
10376 let invisibles = collect_invisibles_from_new_editor(
10377 cx,
10378 editor_mode_without_invisibles.clone(),
10379 "\t\t\t| | a b",
10380 px(500.0),
10381 show_line_numbers,
10382 );
10383 assert!(
10384 invisibles.is_empty(),
10385 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10386 );
10387 }
10388 }
10389 }
10390
10391 #[gpui::test]
10392 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10393 let tab_size = 4;
10394 let input_text = "a\tbcd ".repeat(9);
10395 let repeated_invisibles = [
10396 Invisible::Tab {
10397 line_start_offset: 1,
10398 line_end_offset: tab_size as usize,
10399 },
10400 Invisible::Whitespace {
10401 line_offset: tab_size as usize + 3,
10402 },
10403 Invisible::Whitespace {
10404 line_offset: tab_size as usize + 4,
10405 },
10406 Invisible::Whitespace {
10407 line_offset: tab_size as usize + 5,
10408 },
10409 Invisible::Whitespace {
10410 line_offset: tab_size as usize + 6,
10411 },
10412 Invisible::Whitespace {
10413 line_offset: tab_size as usize + 7,
10414 },
10415 ];
10416 let expected_invisibles = std::iter::once(repeated_invisibles)
10417 .cycle()
10418 .take(9)
10419 .flatten()
10420 .collect::<Vec<_>>();
10421 assert_eq!(
10422 expected_invisibles.len(),
10423 input_text
10424 .chars()
10425 .filter(|initial_char| initial_char.is_whitespace())
10426 .count(),
10427 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10428 );
10429 info!("Expected invisibles: {expected_invisibles:?}");
10430
10431 init_test(cx, |_| {});
10432
10433 // Put the same string with repeating whitespace pattern into editors of various size,
10434 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10435 let resize_step = 10.0;
10436 let mut editor_width = 200.0;
10437 while editor_width <= 1000.0 {
10438 for show_line_numbers in [true, false] {
10439 update_test_language_settings(cx, |s| {
10440 s.defaults.tab_size = NonZeroU32::new(tab_size);
10441 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10442 s.defaults.preferred_line_length = Some(editor_width as u32);
10443 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10444 });
10445
10446 let actual_invisibles = collect_invisibles_from_new_editor(
10447 cx,
10448 EditorMode::full(),
10449 &input_text,
10450 px(editor_width),
10451 show_line_numbers,
10452 );
10453
10454 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10455 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10456 let mut i = 0;
10457 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10458 i = actual_index;
10459 match expected_invisibles.get(i) {
10460 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10461 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10462 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10463 _ => {
10464 panic!(
10465 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10466 )
10467 }
10468 },
10469 None => {
10470 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10471 }
10472 }
10473 }
10474 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10475 assert!(
10476 missing_expected_invisibles.is_empty(),
10477 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10478 );
10479
10480 editor_width += resize_step;
10481 }
10482 }
10483 }
10484
10485 fn collect_invisibles_from_new_editor(
10486 cx: &mut TestAppContext,
10487 editor_mode: EditorMode,
10488 input_text: &str,
10489 editor_width: Pixels,
10490 show_line_numbers: bool,
10491 ) -> Vec<Invisible> {
10492 info!(
10493 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10494 editor_width.0
10495 );
10496 let window = cx.add_window(|window, cx| {
10497 let buffer = MultiBuffer::build_simple(input_text, cx);
10498 Editor::new(editor_mode, buffer, None, window, cx)
10499 });
10500 let cx = &mut VisualTestContext::from_window(*window, cx);
10501 let editor = window.root(cx).unwrap();
10502
10503 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10504 window
10505 .update(cx, |editor, _, cx| {
10506 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10507 editor.set_wrap_width(Some(editor_width), cx);
10508 editor.set_show_line_numbers(show_line_numbers, cx);
10509 })
10510 .unwrap();
10511 let (_, state) = cx.draw(
10512 point(px(500.), px(500.)),
10513 size(px(500.), px(500.)),
10514 |_, _| EditorElement::new(&editor, style),
10515 );
10516 state
10517 .position_map
10518 .line_layouts
10519 .iter()
10520 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10521 .cloned()
10522 .collect()
10523 }
10524}