1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, Editor, EditorMode, EditorSettings, EditorSnapshot, EditorStyle,
7 FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp, HandleInput,
8 HoveredCursor, InlayHintRefreshReason, InlineCompletion, JumpData, LineDown, LineHighlight,
9 LineUp, MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts,
10 PageDown, PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap, ShowScrollbar,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{ActiveScrollbarState, ScrollbarThumbState, scroll_amount::ScrollAmount},
32};
33use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
34use collections::{BTreeMap, HashMap};
35use file_icons::FileIcons;
36use git::{
37 Oid,
38 blame::{BlameEntry, ParsedCommitMessage},
39 status::FileStatus,
40};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ContentMask, Context, Corner, Corners, CursorStyle, DispatchPhase, Edges,
44 Element, ElementInputHandler, Entity, Focusable as _, FontId, GlobalElementId, Hitbox,
45 HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero, Keystroke, Length,
46 ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad,
47 ParentElement, Pixels, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString,
48 Size, StatefulInteractiveElement, Style, Styled, TextRun, TextStyleRefinement, WeakEntity,
49 Window, anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline, point, px,
50 quad, relative, size, solid_background, transparent_black,
51};
52use itertools::Itertools;
53use language::language_settings::{
54 IndentGuideBackgroundColoring, IndentGuideColoring, IndentGuideSettings, ShowWhitespaceSetting,
55};
56use markdown::Markdown;
57use multi_buffer::{
58 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
59 MultiBufferRow, RowInfo,
60};
61
62use project::{
63 ProjectPath,
64 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
65 project_settings::{GitGutterSetting, GitHunkStyleSetting, ProjectSettings},
66};
67use settings::Settings;
68use smallvec::{SmallVec, smallvec};
69use std::{
70 any::TypeId,
71 borrow::Cow,
72 cmp::{self, Ordering},
73 fmt::{self, Write},
74 iter, mem,
75 ops::{Deref, Range},
76 rc::Rc,
77 sync::Arc,
78 time::{Duration, Instant},
79};
80use sum_tree::Bias;
81use text::{BufferId, SelectionGoal};
82use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
83use ui::{ButtonLike, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*};
84use unicode_segmentation::UnicodeSegmentation;
85use util::post_inc;
86use util::{RangeExt, ResultExt, debug_panic};
87use workspace::{CollaboratorId, Workspace, item::Item, notifications::NotifyTaskExt};
88
89const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 7.;
90const SELECTION_DRAG_DELAY: Duration = Duration::from_millis(300);
91
92/// Determines what kinds of highlights should be applied to a lines background.
93#[derive(Clone, Copy, Default)]
94struct LineHighlightSpec {
95 selection: bool,
96 breakpoint: bool,
97 _active_stack_frame: bool,
98}
99
100#[derive(Debug)]
101struct SelectionLayout {
102 head: DisplayPoint,
103 cursor_shape: CursorShape,
104 is_newest: bool,
105 is_local: bool,
106 range: Range<DisplayPoint>,
107 active_rows: Range<DisplayRow>,
108 user_name: Option<SharedString>,
109}
110
111struct InlineBlameLayout {
112 element: AnyElement,
113 bounds: Bounds<Pixels>,
114 entry: BlameEntry,
115}
116
117impl SelectionLayout {
118 fn new<T: ToPoint + ToDisplayPoint + Clone>(
119 selection: Selection<T>,
120 line_mode: bool,
121 cursor_shape: CursorShape,
122 map: &DisplaySnapshot,
123 is_newest: bool,
124 is_local: bool,
125 user_name: Option<SharedString>,
126 ) -> Self {
127 let point_selection = selection.map(|p| p.to_point(&map.buffer_snapshot));
128 let display_selection = point_selection.map(|p| p.to_display_point(map));
129 let mut range = display_selection.range();
130 let mut head = display_selection.head();
131 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
132 ..map.next_line_boundary(point_selection.end).1.row();
133
134 // vim visual line mode
135 if line_mode {
136 let point_range = map.expand_to_line(point_selection.range());
137 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
138 }
139
140 // any vim visual mode (including line mode)
141 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
142 && !range.is_empty()
143 && !selection.reversed
144 {
145 if head.column() > 0 {
146 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
147 } else if head.row().0 > 0 && head != map.max_point() {
148 head = map.clip_point(
149 DisplayPoint::new(
150 head.row().previous_row(),
151 map.line_len(head.row().previous_row()),
152 ),
153 Bias::Left,
154 );
155 // updating range.end is a no-op unless you're cursor is
156 // on the newline containing a multi-buffer divider
157 // in which case the clip_point may have moved the head up
158 // an additional row.
159 range.end = DisplayPoint::new(head.row().next_row(), 0);
160 active_rows.end = head.row();
161 }
162 }
163
164 Self {
165 head,
166 cursor_shape,
167 is_newest,
168 is_local,
169 range,
170 active_rows,
171 user_name,
172 }
173 }
174}
175
176pub struct EditorElement {
177 editor: Entity<Editor>,
178 style: EditorStyle,
179}
180
181type DisplayRowDelta = u32;
182
183impl EditorElement {
184 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
185
186 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
187 Self {
188 editor: editor.clone(),
189 style,
190 }
191 }
192
193 fn register_actions(&self, window: &mut Window, cx: &mut App) {
194 let editor = &self.editor;
195 editor.update(cx, |editor, cx| {
196 for action in editor.editor_actions.borrow().values() {
197 (action)(editor, window, cx)
198 }
199 });
200
201 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
202 crate::clangd_ext::apply_related_actions(editor, window, cx);
203
204 register_action(editor, window, Editor::open_context_menu);
205 register_action(editor, window, Editor::move_left);
206 register_action(editor, window, Editor::move_right);
207 register_action(editor, window, Editor::move_down);
208 register_action(editor, window, Editor::move_down_by_lines);
209 register_action(editor, window, Editor::select_down_by_lines);
210 register_action(editor, window, Editor::move_up);
211 register_action(editor, window, Editor::move_up_by_lines);
212 register_action(editor, window, Editor::select_up_by_lines);
213 register_action(editor, window, Editor::select_page_down);
214 register_action(editor, window, Editor::select_page_up);
215 register_action(editor, window, Editor::cancel);
216 register_action(editor, window, Editor::newline);
217 register_action(editor, window, Editor::newline_above);
218 register_action(editor, window, Editor::newline_below);
219 register_action(editor, window, Editor::backspace);
220 register_action(editor, window, Editor::delete);
221 register_action(editor, window, Editor::tab);
222 register_action(editor, window, Editor::backtab);
223 register_action(editor, window, Editor::indent);
224 register_action(editor, window, Editor::outdent);
225 register_action(editor, window, Editor::autoindent);
226 register_action(editor, window, Editor::delete_line);
227 register_action(editor, window, Editor::join_lines);
228 register_action(editor, window, Editor::sort_lines_case_sensitive);
229 register_action(editor, window, Editor::sort_lines_case_insensitive);
230 register_action(editor, window, Editor::reverse_lines);
231 register_action(editor, window, Editor::shuffle_lines);
232 register_action(editor, window, Editor::toggle_case);
233 register_action(editor, window, Editor::convert_indentation_to_spaces);
234 register_action(editor, window, Editor::convert_indentation_to_tabs);
235 register_action(editor, window, Editor::convert_to_upper_case);
236 register_action(editor, window, Editor::convert_to_lower_case);
237 register_action(editor, window, Editor::convert_to_title_case);
238 register_action(editor, window, Editor::convert_to_snake_case);
239 register_action(editor, window, Editor::convert_to_kebab_case);
240 register_action(editor, window, Editor::convert_to_upper_camel_case);
241 register_action(editor, window, Editor::convert_to_lower_camel_case);
242 register_action(editor, window, Editor::convert_to_opposite_case);
243 register_action(editor, window, Editor::convert_to_rot13);
244 register_action(editor, window, Editor::convert_to_rot47);
245 register_action(editor, window, Editor::delete_to_previous_word_start);
246 register_action(editor, window, Editor::delete_to_previous_subword_start);
247 register_action(editor, window, Editor::delete_to_next_word_end);
248 register_action(editor, window, Editor::delete_to_next_subword_end);
249 register_action(editor, window, Editor::delete_to_beginning_of_line);
250 register_action(editor, window, Editor::delete_to_end_of_line);
251 register_action(editor, window, Editor::cut_to_end_of_line);
252 register_action(editor, window, Editor::duplicate_line_up);
253 register_action(editor, window, Editor::duplicate_line_down);
254 register_action(editor, window, Editor::duplicate_selection);
255 register_action(editor, window, Editor::move_line_up);
256 register_action(editor, window, Editor::move_line_down);
257 register_action(editor, window, Editor::transpose);
258 register_action(editor, window, Editor::rewrap);
259 register_action(editor, window, Editor::cut);
260 register_action(editor, window, Editor::kill_ring_cut);
261 register_action(editor, window, Editor::kill_ring_yank);
262 register_action(editor, window, Editor::copy);
263 register_action(editor, window, Editor::copy_and_trim);
264 register_action(editor, window, Editor::paste);
265 register_action(editor, window, Editor::undo);
266 register_action(editor, window, Editor::redo);
267 register_action(editor, window, Editor::move_page_up);
268 register_action(editor, window, Editor::move_page_down);
269 register_action(editor, window, Editor::next_screen);
270 register_action(editor, window, Editor::scroll_cursor_top);
271 register_action(editor, window, Editor::scroll_cursor_center);
272 register_action(editor, window, Editor::scroll_cursor_bottom);
273 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
274 register_action(editor, window, |editor, _: &LineDown, window, cx| {
275 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
276 });
277 register_action(editor, window, |editor, _: &LineUp, window, cx| {
278 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
279 });
280 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
281 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
282 });
283 register_action(
284 editor,
285 window,
286 |editor, HandleInput(text): &HandleInput, window, cx| {
287 if text.is_empty() {
288 return;
289 }
290 editor.handle_input(text, window, cx);
291 },
292 );
293 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
295 });
296 register_action(editor, window, |editor, _: &PageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
298 });
299 register_action(editor, window, |editor, _: &PageUp, window, cx| {
300 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
301 });
302 register_action(editor, window, Editor::move_to_previous_word_start);
303 register_action(editor, window, Editor::move_to_previous_subword_start);
304 register_action(editor, window, Editor::move_to_next_word_end);
305 register_action(editor, window, Editor::move_to_next_subword_end);
306 register_action(editor, window, Editor::move_to_beginning_of_line);
307 register_action(editor, window, Editor::move_to_end_of_line);
308 register_action(editor, window, Editor::move_to_start_of_paragraph);
309 register_action(editor, window, Editor::move_to_end_of_paragraph);
310 register_action(editor, window, Editor::move_to_beginning);
311 register_action(editor, window, Editor::move_to_end);
312 register_action(editor, window, Editor::move_to_start_of_excerpt);
313 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
314 register_action(editor, window, Editor::move_to_end_of_excerpt);
315 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
316 register_action(editor, window, Editor::select_up);
317 register_action(editor, window, Editor::select_down);
318 register_action(editor, window, Editor::select_left);
319 register_action(editor, window, Editor::select_right);
320 register_action(editor, window, Editor::select_to_previous_word_start);
321 register_action(editor, window, Editor::select_to_previous_subword_start);
322 register_action(editor, window, Editor::select_to_next_word_end);
323 register_action(editor, window, Editor::select_to_next_subword_end);
324 register_action(editor, window, Editor::select_to_beginning_of_line);
325 register_action(editor, window, Editor::select_to_end_of_line);
326 register_action(editor, window, Editor::select_to_start_of_paragraph);
327 register_action(editor, window, Editor::select_to_end_of_paragraph);
328 register_action(editor, window, Editor::select_to_start_of_excerpt);
329 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::select_to_end_of_excerpt);
331 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_to_beginning);
333 register_action(editor, window, Editor::select_to_end);
334 register_action(editor, window, Editor::select_all);
335 register_action(editor, window, |editor, action, window, cx| {
336 editor.select_all_matches(action, window, cx).log_err();
337 });
338 register_action(editor, window, Editor::select_line);
339 register_action(editor, window, Editor::split_selection_into_lines);
340 register_action(editor, window, Editor::add_selection_above);
341 register_action(editor, window, Editor::add_selection_below);
342 register_action(editor, window, |editor, action, window, cx| {
343 editor.select_next(action, window, cx).log_err();
344 });
345 register_action(editor, window, |editor, action, window, cx| {
346 editor.select_previous(action, window, cx).log_err();
347 });
348 register_action(editor, window, |editor, action, window, cx| {
349 editor.find_next_match(action, window, cx).log_err();
350 });
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.find_previous_match(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::toggle_comments);
355 register_action(editor, window, Editor::select_larger_syntax_node);
356 register_action(editor, window, Editor::select_smaller_syntax_node);
357 register_action(editor, window, Editor::select_enclosing_symbol);
358 register_action(editor, window, Editor::move_to_enclosing_bracket);
359 register_action(editor, window, Editor::undo_selection);
360 register_action(editor, window, Editor::redo_selection);
361 if !editor.read(cx).is_singleton(cx) {
362 register_action(editor, window, Editor::expand_excerpts);
363 register_action(editor, window, Editor::expand_excerpts_up);
364 register_action(editor, window, Editor::expand_excerpts_down);
365 }
366 register_action(editor, window, Editor::go_to_diagnostic);
367 register_action(editor, window, Editor::go_to_prev_diagnostic);
368 register_action(editor, window, Editor::go_to_next_hunk);
369 register_action(editor, window, Editor::go_to_prev_hunk);
370 register_action(editor, window, |editor, action, window, cx| {
371 editor
372 .go_to_definition(action, window, cx)
373 .detach_and_log_err(cx);
374 });
375 register_action(editor, window, |editor, action, window, cx| {
376 editor
377 .go_to_definition_split(action, window, cx)
378 .detach_and_log_err(cx);
379 });
380 register_action(editor, window, |editor, action, window, cx| {
381 editor
382 .go_to_declaration(action, window, cx)
383 .detach_and_log_err(cx);
384 });
385 register_action(editor, window, |editor, action, window, cx| {
386 editor
387 .go_to_declaration_split(action, window, cx)
388 .detach_and_log_err(cx);
389 });
390 register_action(editor, window, |editor, action, window, cx| {
391 editor
392 .go_to_implementation(action, window, cx)
393 .detach_and_log_err(cx);
394 });
395 register_action(editor, window, |editor, action, window, cx| {
396 editor
397 .go_to_implementation_split(action, window, cx)
398 .detach_and_log_err(cx);
399 });
400 register_action(editor, window, |editor, action, window, cx| {
401 editor
402 .go_to_type_definition(action, window, cx)
403 .detach_and_log_err(cx);
404 });
405 register_action(editor, window, |editor, action, window, cx| {
406 editor
407 .go_to_type_definition_split(action, window, cx)
408 .detach_and_log_err(cx);
409 });
410 register_action(editor, window, Editor::open_url);
411 register_action(editor, window, Editor::open_selected_filename);
412 register_action(editor, window, Editor::fold);
413 register_action(editor, window, Editor::fold_at_level);
414 register_action(editor, window, Editor::fold_all);
415 register_action(editor, window, Editor::fold_function_bodies);
416 register_action(editor, window, Editor::fold_recursive);
417 register_action(editor, window, Editor::toggle_fold);
418 register_action(editor, window, Editor::toggle_fold_recursive);
419 register_action(editor, window, Editor::unfold_lines);
420 register_action(editor, window, Editor::unfold_recursive);
421 register_action(editor, window, Editor::unfold_all);
422 register_action(editor, window, Editor::fold_selected_ranges);
423 register_action(editor, window, Editor::set_mark);
424 register_action(editor, window, Editor::swap_selection_ends);
425 register_action(editor, window, Editor::show_completions);
426 register_action(editor, window, Editor::show_word_completions);
427 register_action(editor, window, Editor::toggle_code_actions);
428 register_action(editor, window, Editor::open_excerpts);
429 register_action(editor, window, Editor::open_excerpts_in_split);
430 register_action(editor, window, Editor::open_proposed_changes_editor);
431 register_action(editor, window, Editor::toggle_soft_wrap);
432 register_action(editor, window, Editor::toggle_tab_bar);
433 register_action(editor, window, Editor::toggle_line_numbers);
434 register_action(editor, window, Editor::toggle_relative_line_numbers);
435 register_action(editor, window, Editor::toggle_indent_guides);
436 register_action(editor, window, Editor::toggle_inlay_hints);
437 register_action(editor, window, Editor::toggle_edit_predictions);
438 if editor.read(cx).diagnostics_enabled() {
439 register_action(editor, window, Editor::toggle_diagnostics);
440 }
441 if editor.read(cx).inline_diagnostics_enabled() {
442 register_action(editor, window, Editor::toggle_inline_diagnostics);
443 }
444 if editor.read(cx).supports_minimap(cx) {
445 register_action(editor, window, Editor::toggle_minimap);
446 }
447 register_action(editor, window, hover_popover::hover);
448 register_action(editor, window, Editor::reveal_in_finder);
449 register_action(editor, window, Editor::copy_path);
450 register_action(editor, window, Editor::copy_relative_path);
451 register_action(editor, window, Editor::copy_file_name);
452 register_action(editor, window, Editor::copy_file_name_without_extension);
453 register_action(editor, window, Editor::copy_highlight_json);
454 register_action(editor, window, Editor::copy_permalink_to_line);
455 register_action(editor, window, Editor::open_permalink_to_line);
456 register_action(editor, window, Editor::copy_file_location);
457 register_action(editor, window, Editor::toggle_git_blame);
458 register_action(editor, window, Editor::toggle_git_blame_inline);
459 register_action(editor, window, Editor::open_git_blame_commit);
460 register_action(editor, window, Editor::toggle_selected_diff_hunks);
461 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
462 register_action(editor, window, Editor::stage_and_next);
463 register_action(editor, window, Editor::unstage_and_next);
464 register_action(editor, window, Editor::expand_all_diff_hunks);
465 register_action(editor, window, Editor::go_to_previous_change);
466 register_action(editor, window, Editor::go_to_next_change);
467
468 register_action(editor, window, |editor, action, window, cx| {
469 if let Some(task) = editor.format(action, window, cx) {
470 task.detach_and_notify_err(window, cx);
471 } else {
472 cx.propagate();
473 }
474 });
475 register_action(editor, window, |editor, action, window, cx| {
476 if let Some(task) = editor.format_selections(action, window, cx) {
477 task.detach_and_notify_err(window, cx);
478 } else {
479 cx.propagate();
480 }
481 });
482 register_action(editor, window, |editor, action, window, cx| {
483 if let Some(task) = editor.organize_imports(action, window, cx) {
484 task.detach_and_notify_err(window, cx);
485 } else {
486 cx.propagate();
487 }
488 });
489 register_action(editor, window, Editor::restart_language_server);
490 register_action(editor, window, Editor::stop_language_server);
491 register_action(editor, window, Editor::show_character_palette);
492 register_action(editor, window, |editor, action, window, cx| {
493 if let Some(task) = editor.confirm_completion(action, window, cx) {
494 task.detach_and_notify_err(window, cx);
495 } else {
496 cx.propagate();
497 }
498 });
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.compose_completion(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, |editor, action, window, cx| {
521 if let Some(task) = editor.confirm_code_action(action, window, cx) {
522 task.detach_and_notify_err(window, cx);
523 } else {
524 cx.propagate();
525 }
526 });
527 register_action(editor, window, |editor, action, window, cx| {
528 if let Some(task) = editor.rename(action, window, cx) {
529 task.detach_and_notify_err(window, cx);
530 } else {
531 cx.propagate();
532 }
533 });
534 register_action(editor, window, |editor, action, window, cx| {
535 if let Some(task) = editor.confirm_rename(action, window, cx) {
536 task.detach_and_notify_err(window, cx);
537 } else {
538 cx.propagate();
539 }
540 });
541 register_action(editor, window, |editor, action, window, cx| {
542 if let Some(task) = editor.find_all_references(action, window, cx) {
543 task.detach_and_log_err(cx);
544 } else {
545 cx.propagate();
546 }
547 });
548 register_action(editor, window, Editor::show_signature_help);
549 register_action(editor, window, Editor::signature_help_prev);
550 register_action(editor, window, Editor::signature_help_next);
551 register_action(editor, window, Editor::next_edit_prediction);
552 register_action(editor, window, Editor::previous_edit_prediction);
553 register_action(editor, window, Editor::show_inline_completion);
554 register_action(editor, window, Editor::context_menu_first);
555 register_action(editor, window, Editor::context_menu_prev);
556 register_action(editor, window, Editor::context_menu_next);
557 register_action(editor, window, Editor::context_menu_last);
558 register_action(editor, window, Editor::display_cursor_names);
559 register_action(editor, window, Editor::unique_lines_case_insensitive);
560 register_action(editor, window, Editor::unique_lines_case_sensitive);
561 register_action(editor, window, Editor::accept_partial_inline_completion);
562 register_action(editor, window, Editor::accept_edit_prediction);
563 register_action(editor, window, Editor::restore_file);
564 register_action(editor, window, Editor::git_restore);
565 register_action(editor, window, Editor::apply_all_diff_hunks);
566 register_action(editor, window, Editor::apply_selected_diff_hunks);
567 register_action(editor, window, Editor::open_active_item_in_terminal);
568 register_action(editor, window, Editor::reload_file);
569 register_action(editor, window, Editor::spawn_nearest_task);
570 register_action(editor, window, Editor::insert_uuid_v4);
571 register_action(editor, window, Editor::insert_uuid_v7);
572 register_action(editor, window, Editor::open_selections_in_multibuffer);
573 register_action(editor, window, Editor::toggle_breakpoint);
574 register_action(editor, window, Editor::edit_log_breakpoint);
575 register_action(editor, window, Editor::enable_breakpoint);
576 register_action(editor, window, Editor::disable_breakpoint);
577 }
578
579 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
580 let position_map = layout.position_map.clone();
581 window.on_key_event({
582 let editor = self.editor.clone();
583 move |event: &ModifiersChangedEvent, phase, window, cx| {
584 if phase != DispatchPhase::Bubble {
585 return;
586 }
587 editor.update(cx, |editor, cx| {
588 let inlay_hint_settings = inlay_hint_settings(
589 editor.selections.newest_anchor().head(),
590 &editor.buffer.read(cx).snapshot(cx),
591 cx,
592 );
593
594 if let Some(inlay_modifiers) = inlay_hint_settings
595 .toggle_on_modifiers_press
596 .as_ref()
597 .filter(|modifiers| modifiers.modified())
598 {
599 editor.refresh_inlay_hints(
600 InlayHintRefreshReason::ModifiersChanged(
601 inlay_modifiers == &event.modifiers,
602 ),
603 cx,
604 );
605 }
606
607 if editor.hover_state.focused(window, cx) {
608 return;
609 }
610
611 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
612 })
613 }
614 });
615 }
616
617 fn mouse_left_down(
618 editor: &mut Editor,
619 event: &MouseDownEvent,
620 hovered_hunk: Option<Range<Anchor>>,
621 position_map: &PositionMap,
622 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
623 window: &mut Window,
624 cx: &mut Context<Editor>,
625 ) {
626 if window.default_prevented() {
627 return;
628 }
629
630 let text_hitbox = &position_map.text_hitbox;
631 let gutter_hitbox = &position_map.gutter_hitbox;
632 let point_for_position = position_map.point_for_position(event.position);
633 let mut click_count = event.click_count;
634 let mut modifiers = event.modifiers;
635
636 if let Some(hovered_hunk) = hovered_hunk {
637 editor.toggle_single_diff_hunk(hovered_hunk, cx);
638 cx.notify();
639 return;
640 } else if gutter_hitbox.is_hovered(window) {
641 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
642 } else if !text_hitbox.is_hovered(window) {
643 return;
644 }
645
646 if editor.drag_and_drop_selection_enabled && click_count == 1 {
647 let newest_anchor = editor.selections.newest_anchor();
648 let snapshot = editor.snapshot(window, cx);
649 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
650 if point_for_position.intersects_selection(&selection) {
651 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
652 selection: newest_anchor.clone(),
653 click_position: event.position,
654 mouse_down_time: Instant::now(),
655 };
656 cx.stop_propagation();
657 return;
658 }
659 }
660
661 let is_singleton = editor.buffer().read(cx).is_singleton();
662
663 if click_count == 2 && !is_singleton {
664 match EditorSettings::get_global(cx).double_click_in_multibuffer {
665 DoubleClickInMultibuffer::Select => {
666 // do nothing special on double click, all selection logic is below
667 }
668 DoubleClickInMultibuffer::Open => {
669 if modifiers.alt {
670 // if double click is made with alt, pretend it's a regular double click without opening and alt,
671 // and run the selection logic.
672 modifiers.alt = false;
673 } else {
674 let scroll_position_row =
675 position_map.scroll_pixel_position.y / position_map.line_height;
676 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
677 + position_map.scroll_pixel_position.y)
678 / position_map.line_height)
679 as u32;
680 let multi_buffer_row = position_map
681 .snapshot
682 .display_point_to_point(
683 DisplayPoint::new(DisplayRow(display_row), 0),
684 Bias::Right,
685 )
686 .row;
687 let line_offset_from_top = display_row - scroll_position_row as u32;
688 // if double click is made without alt, open the corresponding excerp
689 editor.open_excerpts_common(
690 Some(JumpData::MultiBufferRow {
691 row: MultiBufferRow(multi_buffer_row),
692 line_offset_from_top,
693 }),
694 false,
695 window,
696 cx,
697 );
698 return;
699 }
700 }
701 }
702 }
703
704 let position = point_for_position.previous_valid;
705 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
706 editor.select(
707 SelectPhase::BeginColumnar {
708 position,
709 reset: match mode {
710 ColumnarMode::FromMouse => true,
711 ColumnarMode::FromSelection => false,
712 },
713 mode: mode,
714 goal_column: point_for_position.exact_unclipped.column(),
715 },
716 window,
717 cx,
718 );
719 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
720 {
721 editor.select(
722 SelectPhase::Extend {
723 position,
724 click_count,
725 },
726 window,
727 cx,
728 );
729 } else {
730 editor.select(
731 SelectPhase::Begin {
732 position,
733 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
734 click_count,
735 },
736 window,
737 cx,
738 );
739 }
740 cx.stop_propagation();
741
742 if !is_singleton {
743 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
744 + position_map.scroll_pixel_position.y)
745 / position_map.line_height) as u32;
746 let multi_buffer_row = position_map
747 .snapshot
748 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
749 .row;
750 if line_numbers
751 .get(&MultiBufferRow(multi_buffer_row))
752 .and_then(|line_number| line_number.hitbox.as_ref())
753 .is_some_and(|hitbox| hitbox.contains(&event.position))
754 {
755 let scroll_position_row =
756 position_map.scroll_pixel_position.y / position_map.line_height;
757 let line_offset_from_top = display_row - scroll_position_row as u32;
758
759 editor.open_excerpts_common(
760 Some(JumpData::MultiBufferRow {
761 row: MultiBufferRow(multi_buffer_row),
762 line_offset_from_top,
763 }),
764 modifiers.alt,
765 window,
766 cx,
767 );
768 cx.stop_propagation();
769 }
770 }
771 }
772
773 fn mouse_right_down(
774 editor: &mut Editor,
775 event: &MouseDownEvent,
776 position_map: &PositionMap,
777 window: &mut Window,
778 cx: &mut Context<Editor>,
779 ) {
780 if position_map.gutter_hitbox.is_hovered(window) {
781 let gutter_right_padding = editor.gutter_dimensions.right_padding;
782 let hitbox = &position_map.gutter_hitbox;
783
784 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
785 let point_for_position = position_map.point_for_position(event.position);
786 editor.set_breakpoint_context_menu(
787 point_for_position.previous_valid.row(),
788 None,
789 event.position,
790 window,
791 cx,
792 );
793 }
794 return;
795 }
796
797 if !position_map.text_hitbox.is_hovered(window) {
798 return;
799 }
800
801 let point_for_position = position_map.point_for_position(event.position);
802 mouse_context_menu::deploy_context_menu(
803 editor,
804 Some(event.position),
805 point_for_position.previous_valid,
806 window,
807 cx,
808 );
809 cx.stop_propagation();
810 }
811
812 fn mouse_middle_down(
813 editor: &mut Editor,
814 event: &MouseDownEvent,
815 position_map: &PositionMap,
816 window: &mut Window,
817 cx: &mut Context<Editor>,
818 ) {
819 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
820 return;
821 }
822
823 let point_for_position = position_map.point_for_position(event.position);
824 let position = point_for_position.previous_valid;
825
826 editor.select(
827 SelectPhase::BeginColumnar {
828 position,
829 reset: true,
830 mode: ColumnarMode::FromMouse,
831 goal_column: point_for_position.exact_unclipped.column(),
832 },
833 window,
834 cx,
835 );
836 }
837
838 fn mouse_up(
839 editor: &mut Editor,
840 event: &MouseUpEvent,
841 position_map: &PositionMap,
842 window: &mut Window,
843 cx: &mut Context<Editor>,
844 ) {
845 let text_hitbox = &position_map.text_hitbox;
846 let end_selection = editor.has_pending_selection();
847 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
848 let point_for_position = position_map.point_for_position(event.position);
849
850 match editor.selection_drag_state {
851 SelectionDragState::ReadyToDrag {
852 selection: _,
853 ref click_position,
854 mouse_down_time: _,
855 } => {
856 if event.position == *click_position {
857 editor.select(
858 SelectPhase::Begin {
859 position: point_for_position.previous_valid,
860 add: false,
861 click_count: 1, // ready to drag state only occurs on click count 1
862 },
863 window,
864 cx,
865 );
866 editor.selection_drag_state = SelectionDragState::None;
867 cx.stop_propagation();
868 return;
869 } else {
870 debug_panic!("drag state can never be in ready state after drag")
871 }
872 }
873 SelectionDragState::Dragging { ref selection, .. } => {
874 let snapshot = editor.snapshot(window, cx);
875 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
876 if !point_for_position.intersects_selection(&selection_display)
877 && text_hitbox.is_hovered(window)
878 {
879 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
880 || cfg!(not(target_os = "macos")) && event.modifiers.control);
881 editor.move_selection_on_drop(
882 &selection.clone(),
883 point_for_position.previous_valid,
884 is_cut,
885 window,
886 cx,
887 );
888 }
889 editor.selection_drag_state = SelectionDragState::None;
890 cx.stop_propagation();
891 cx.notify();
892 return;
893 }
894 _ => {}
895 }
896
897 if end_selection {
898 editor.select(SelectPhase::End, window, cx);
899 }
900
901 if end_selection && pending_nonempty_selections {
902 cx.stop_propagation();
903 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
904 && event.button == MouseButton::Middle
905 {
906 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
907 return;
908 }
909
910 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
911 if EditorSettings::get_global(cx).middle_click_paste {
912 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
913 let point_for_position = position_map.point_for_position(event.position);
914 let position = point_for_position.previous_valid;
915
916 editor.select(
917 SelectPhase::Begin {
918 position,
919 add: false,
920 click_count: 1,
921 },
922 window,
923 cx,
924 );
925 editor.insert(&text, window, cx);
926 }
927 cx.stop_propagation()
928 }
929 }
930 }
931
932 fn click(
933 editor: &mut Editor,
934 event: &ClickEvent,
935 position_map: &PositionMap,
936 window: &mut Window,
937 cx: &mut Context<Editor>,
938 ) {
939 let text_hitbox = &position_map.text_hitbox;
940 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
941
942 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
943
944 if !pending_nonempty_selections && hovered_link_modifier && text_hitbox.is_hovered(window) {
945 let point = position_map.point_for_position(event.up.position);
946 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
947
948 cx.stop_propagation();
949 }
950 }
951
952 fn mouse_dragged(
953 editor: &mut Editor,
954 event: &MouseMoveEvent,
955 position_map: &PositionMap,
956 window: &mut Window,
957 cx: &mut Context<Editor>,
958 ) {
959 if !editor.has_pending_selection()
960 && matches!(editor.selection_drag_state, SelectionDragState::None)
961 {
962 return;
963 }
964
965 let point_for_position = position_map.point_for_position(event.position);
966 let text_hitbox = &position_map.text_hitbox;
967
968 let scroll_delta = {
969 let text_bounds = text_hitbox.bounds;
970 let mut scroll_delta = gpui::Point::<f32>::default();
971 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
972 let top = text_bounds.origin.y + vertical_margin;
973 let bottom = text_bounds.bottom_left().y - vertical_margin;
974 if event.position.y < top {
975 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
976 }
977 if event.position.y > bottom {
978 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
979 }
980
981 // We need horizontal width of text
982 let style = editor.style.clone().unwrap_or_default();
983 let font_id = window.text_system().resolve_font(&style.text.font());
984 let font_size = style.text.font_size.to_pixels(window.rem_size());
985 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
986
987 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
988
989 let scroll_space: Pixels = scroll_margin_x * em_width;
990
991 let left = text_bounds.origin.x + scroll_space;
992 let right = text_bounds.top_right().x - scroll_space;
993
994 if event.position.x < left {
995 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
996 }
997 if event.position.x > right {
998 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
999 }
1000 scroll_delta
1001 };
1002
1003 if !editor.has_pending_selection() {
1004 let drop_anchor = position_map
1005 .snapshot
1006 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1007 match editor.selection_drag_state {
1008 SelectionDragState::Dragging {
1009 ref mut drop_cursor,
1010 ref mut hide_drop_cursor,
1011 ..
1012 } => {
1013 drop_cursor.start = drop_anchor;
1014 drop_cursor.end = drop_anchor;
1015 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1016 editor.apply_scroll_delta(scroll_delta, window, cx);
1017 cx.notify();
1018 }
1019 SelectionDragState::ReadyToDrag {
1020 ref selection,
1021 ref click_position,
1022 ref mouse_down_time,
1023 } => {
1024 if mouse_down_time.elapsed() >= SELECTION_DRAG_DELAY {
1025 let drop_cursor = Selection {
1026 id: post_inc(&mut editor.selections.next_selection_id),
1027 start: drop_anchor,
1028 end: drop_anchor,
1029 reversed: false,
1030 goal: SelectionGoal::None,
1031 };
1032 editor.selection_drag_state = SelectionDragState::Dragging {
1033 selection: selection.clone(),
1034 drop_cursor,
1035 hide_drop_cursor: false,
1036 };
1037 editor.apply_scroll_delta(scroll_delta, window, cx);
1038 cx.notify();
1039 } else {
1040 let click_point = position_map.point_for_position(*click_position);
1041 editor.selection_drag_state = SelectionDragState::None;
1042 editor.select(
1043 SelectPhase::Begin {
1044 position: click_point.previous_valid,
1045 add: false,
1046 click_count: 1,
1047 },
1048 window,
1049 cx,
1050 );
1051 editor.select(
1052 SelectPhase::Update {
1053 position: point_for_position.previous_valid,
1054 goal_column: point_for_position.exact_unclipped.column(),
1055 scroll_delta,
1056 },
1057 window,
1058 cx,
1059 );
1060 }
1061 }
1062 _ => {}
1063 }
1064 } else {
1065 editor.select(
1066 SelectPhase::Update {
1067 position: point_for_position.previous_valid,
1068 goal_column: point_for_position.exact_unclipped.column(),
1069 scroll_delta,
1070 },
1071 window,
1072 cx,
1073 );
1074 }
1075 }
1076
1077 fn mouse_moved(
1078 editor: &mut Editor,
1079 event: &MouseMoveEvent,
1080 position_map: &PositionMap,
1081 window: &mut Window,
1082 cx: &mut Context<Editor>,
1083 ) {
1084 let text_hitbox = &position_map.text_hitbox;
1085 let gutter_hitbox = &position_map.gutter_hitbox;
1086 let modifiers = event.modifiers;
1087 let text_hovered = text_hitbox.is_hovered(window);
1088 let gutter_hovered = gutter_hitbox.is_hovered(window);
1089 editor.set_gutter_hovered(gutter_hovered, cx);
1090 editor.show_mouse_cursor(cx);
1091
1092 let point_for_position = position_map.point_for_position(event.position);
1093 let valid_point = point_for_position.previous_valid;
1094
1095 let hovered_diff_control = position_map
1096 .diff_hunk_control_bounds
1097 .iter()
1098 .find(|(_, bounds)| bounds.contains(&event.position))
1099 .map(|(row, _)| *row);
1100
1101 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1102 Some(control_row)
1103 } else {
1104 if text_hovered {
1105 let current_row = valid_point.row();
1106 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1107 if let DisplayDiffHunk::Unfolded {
1108 display_row_range, ..
1109 } = hunk
1110 {
1111 if display_row_range.contains(¤t_row) {
1112 Some(display_row_range.start)
1113 } else {
1114 None
1115 }
1116 } else {
1117 None
1118 }
1119 })
1120 } else {
1121 None
1122 }
1123 };
1124
1125 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1126 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1127 cx.notify();
1128 }
1129
1130 if let Some((bounds, blame_entry)) = &position_map.inline_blame_bounds {
1131 let mouse_over_inline_blame = bounds.contains(&event.position);
1132 let mouse_over_popover = editor
1133 .inline_blame_popover
1134 .as_ref()
1135 .and_then(|state| state.popover_bounds)
1136 .map_or(false, |bounds| bounds.contains(&event.position));
1137
1138 if mouse_over_inline_blame || mouse_over_popover {
1139 editor.show_blame_popover(&blame_entry, event.position, cx);
1140 } else {
1141 editor.hide_blame_popover(cx);
1142 }
1143 } else {
1144 editor.hide_blame_popover(cx);
1145 }
1146
1147 let breakpoint_indicator = if gutter_hovered {
1148 let buffer_anchor = position_map
1149 .snapshot
1150 .display_point_to_anchor(valid_point, Bias::Left);
1151
1152 if let Some((buffer_snapshot, file)) = position_map
1153 .snapshot
1154 .buffer_snapshot
1155 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1156 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1157 {
1158 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1159
1160 let is_visible = editor
1161 .gutter_breakpoint_indicator
1162 .0
1163 .map_or(false, |indicator| indicator.is_active);
1164
1165 let has_existing_breakpoint =
1166 editor.breakpoint_store.as_ref().map_or(false, |store| {
1167 let Some(project) = &editor.project else {
1168 return false;
1169 };
1170 let Some(abs_path) = project.read(cx).absolute_path(
1171 &ProjectPath {
1172 path: file.path().clone(),
1173 worktree_id: file.worktree_id(cx),
1174 },
1175 cx,
1176 ) else {
1177 return false;
1178 };
1179 store
1180 .read(cx)
1181 .breakpoint_at_row(&abs_path, as_point.row, cx)
1182 .is_some()
1183 });
1184
1185 if !is_visible {
1186 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1187 cx.spawn(async move |this, cx| {
1188 cx.background_executor()
1189 .timer(Duration::from_millis(200))
1190 .await;
1191
1192 this.update(cx, |this, cx| {
1193 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1194 {
1195 indicator.is_active = true;
1196 cx.notify();
1197 }
1198 })
1199 .ok();
1200 })
1201 });
1202 }
1203
1204 Some(PhantomBreakpointIndicator {
1205 display_row: valid_point.row(),
1206 is_active: is_visible,
1207 collides_with_existing_breakpoint: has_existing_breakpoint,
1208 })
1209 } else {
1210 editor.gutter_breakpoint_indicator.1 = None;
1211 None
1212 }
1213 } else {
1214 editor.gutter_breakpoint_indicator.1 = None;
1215 None
1216 };
1217
1218 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1219 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1220 cx.notify();
1221 }
1222
1223 // Don't trigger hover popover if mouse is hovering over context menu
1224 if text_hovered {
1225 editor.update_hovered_link(
1226 point_for_position,
1227 &position_map.snapshot,
1228 modifiers,
1229 window,
1230 cx,
1231 );
1232
1233 if let Some(point) = point_for_position.as_valid() {
1234 let anchor = position_map
1235 .snapshot
1236 .buffer_snapshot
1237 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1238 hover_at(editor, Some(anchor), window, cx);
1239 Self::update_visible_cursor(editor, point, position_map, window, cx);
1240 } else {
1241 hover_at(editor, None, window, cx);
1242 }
1243 } else {
1244 editor.hide_hovered_link(cx);
1245 hover_at(editor, None, window, cx);
1246 }
1247 }
1248
1249 fn update_visible_cursor(
1250 editor: &mut Editor,
1251 point: DisplayPoint,
1252 position_map: &PositionMap,
1253 window: &mut Window,
1254 cx: &mut Context<Editor>,
1255 ) {
1256 let snapshot = &position_map.snapshot;
1257 let Some(hub) = editor.collaboration_hub() else {
1258 return;
1259 };
1260 let start = snapshot.display_snapshot.clip_point(
1261 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1262 Bias::Left,
1263 );
1264 let end = snapshot.display_snapshot.clip_point(
1265 DisplayPoint::new(
1266 point.row(),
1267 (point.column() + 1).min(snapshot.line_len(point.row())),
1268 ),
1269 Bias::Right,
1270 );
1271
1272 let range = snapshot
1273 .buffer_snapshot
1274 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1275 ..snapshot
1276 .buffer_snapshot
1277 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1278
1279 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1280 return;
1281 };
1282 let key = crate::HoveredCursor {
1283 replica_id: selection.replica_id,
1284 selection_id: selection.selection.id,
1285 };
1286 editor.hovered_cursors.insert(
1287 key.clone(),
1288 cx.spawn_in(window, async move |editor, cx| {
1289 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1290 editor
1291 .update(cx, |editor, cx| {
1292 editor.hovered_cursors.remove(&key);
1293 cx.notify();
1294 })
1295 .ok();
1296 }),
1297 );
1298 cx.notify()
1299 }
1300
1301 fn layout_selections(
1302 &self,
1303 start_anchor: Anchor,
1304 end_anchor: Anchor,
1305 local_selections: &[Selection<Point>],
1306 snapshot: &EditorSnapshot,
1307 start_row: DisplayRow,
1308 end_row: DisplayRow,
1309 window: &mut Window,
1310 cx: &mut App,
1311 ) -> (
1312 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1313 BTreeMap<DisplayRow, LineHighlightSpec>,
1314 Option<DisplayPoint>,
1315 ) {
1316 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1317 let mut active_rows = BTreeMap::new();
1318 let mut newest_selection_head = None;
1319
1320 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1321 return (selections, active_rows, newest_selection_head);
1322 };
1323
1324 editor_with_selections.update(cx, |editor, cx| {
1325 if editor.show_local_selections {
1326 let mut layouts = Vec::new();
1327 let newest = editor.selections.newest(cx);
1328 for selection in local_selections.iter().cloned() {
1329 let is_empty = selection.start == selection.end;
1330 let is_newest = selection == newest;
1331
1332 let layout = SelectionLayout::new(
1333 selection,
1334 editor.selections.line_mode,
1335 editor.cursor_shape,
1336 &snapshot.display_snapshot,
1337 is_newest,
1338 editor.leader_id.is_none(),
1339 None,
1340 );
1341 if is_newest {
1342 newest_selection_head = Some(layout.head);
1343 }
1344
1345 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1346 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1347 {
1348 let contains_non_empty_selection = active_rows
1349 .entry(DisplayRow(row))
1350 .or_insert_with(LineHighlightSpec::default);
1351 contains_non_empty_selection.selection |= !is_empty;
1352 }
1353 layouts.push(layout);
1354 }
1355
1356 let player = editor.current_user_player_color(cx);
1357 selections.push((player, layouts));
1358
1359 if let SelectionDragState::Dragging {
1360 ref selection,
1361 ref drop_cursor,
1362 ref hide_drop_cursor,
1363 } = editor.selection_drag_state
1364 {
1365 if !hide_drop_cursor
1366 && (drop_cursor
1367 .start
1368 .cmp(&selection.start, &snapshot.buffer_snapshot)
1369 .eq(&Ordering::Less)
1370 || drop_cursor
1371 .end
1372 .cmp(&selection.end, &snapshot.buffer_snapshot)
1373 .eq(&Ordering::Greater))
1374 {
1375 let drag_cursor_layout = SelectionLayout::new(
1376 drop_cursor.clone(),
1377 false,
1378 CursorShape::Bar,
1379 &snapshot.display_snapshot,
1380 false,
1381 false,
1382 None,
1383 );
1384 let absent_color = cx.theme().players().absent();
1385 selections.push((absent_color, vec![drag_cursor_layout]));
1386 }
1387 }
1388 }
1389
1390 if let Some(collaboration_hub) = &editor.collaboration_hub {
1391 // When following someone, render the local selections in their color.
1392 if let Some(leader_id) = editor.leader_id {
1393 match leader_id {
1394 CollaboratorId::PeerId(peer_id) => {
1395 if let Some(collaborator) =
1396 collaboration_hub.collaborators(cx).get(&peer_id)
1397 {
1398 if let Some(participant_index) = collaboration_hub
1399 .user_participant_indices(cx)
1400 .get(&collaborator.user_id)
1401 {
1402 if let Some((local_selection_style, _)) = selections.first_mut()
1403 {
1404 *local_selection_style = cx
1405 .theme()
1406 .players()
1407 .color_for_participant(participant_index.0);
1408 }
1409 }
1410 }
1411 }
1412 CollaboratorId::Agent => {
1413 if let Some((local_selection_style, _)) = selections.first_mut() {
1414 *local_selection_style = cx.theme().players().agent();
1415 }
1416 }
1417 }
1418 }
1419
1420 let mut remote_selections = HashMap::default();
1421 for selection in snapshot.remote_selections_in_range(
1422 &(start_anchor..end_anchor),
1423 collaboration_hub.as_ref(),
1424 cx,
1425 ) {
1426 // Don't re-render the leader's selections, since the local selections
1427 // match theirs.
1428 if Some(selection.collaborator_id) == editor.leader_id {
1429 continue;
1430 }
1431 let key = HoveredCursor {
1432 replica_id: selection.replica_id,
1433 selection_id: selection.selection.id,
1434 };
1435
1436 let is_shown =
1437 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1438
1439 remote_selections
1440 .entry(selection.replica_id)
1441 .or_insert((selection.color, Vec::new()))
1442 .1
1443 .push(SelectionLayout::new(
1444 selection.selection,
1445 selection.line_mode,
1446 selection.cursor_shape,
1447 &snapshot.display_snapshot,
1448 false,
1449 false,
1450 if is_shown { selection.user_name } else { None },
1451 ));
1452 }
1453
1454 selections.extend(remote_selections.into_values());
1455 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1456 let layouts = snapshot
1457 .buffer_snapshot
1458 .selections_in_range(&(start_anchor..end_anchor), true)
1459 .map(move |(_, line_mode, cursor_shape, selection)| {
1460 SelectionLayout::new(
1461 selection,
1462 line_mode,
1463 cursor_shape,
1464 &snapshot.display_snapshot,
1465 false,
1466 false,
1467 None,
1468 )
1469 })
1470 .collect::<Vec<_>>();
1471 let player = editor.current_user_player_color(cx);
1472 selections.push((player, layouts));
1473 }
1474 });
1475 (selections, active_rows, newest_selection_head)
1476 }
1477
1478 fn collect_cursors(
1479 &self,
1480 snapshot: &EditorSnapshot,
1481 cx: &mut App,
1482 ) -> Vec<(DisplayPoint, Hsla)> {
1483 let editor = self.editor.read(cx);
1484 let mut cursors = Vec::new();
1485 let mut skip_local = false;
1486 let mut add_cursor = |anchor: Anchor, color| {
1487 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1488 };
1489 // Remote cursors
1490 if let Some(collaboration_hub) = &editor.collaboration_hub {
1491 for remote_selection in snapshot.remote_selections_in_range(
1492 &(Anchor::min()..Anchor::max()),
1493 collaboration_hub.deref(),
1494 cx,
1495 ) {
1496 add_cursor(
1497 remote_selection.selection.head(),
1498 remote_selection.color.cursor,
1499 );
1500 if Some(remote_selection.collaborator_id) == editor.leader_id {
1501 skip_local = true;
1502 }
1503 }
1504 }
1505 // Local cursors
1506 if !skip_local {
1507 let color = cx.theme().players().local().cursor;
1508 editor.selections.disjoint.iter().for_each(|selection| {
1509 add_cursor(selection.head(), color);
1510 });
1511 if let Some(ref selection) = editor.selections.pending_anchor() {
1512 add_cursor(selection.head(), color);
1513 }
1514 }
1515 cursors
1516 }
1517
1518 fn layout_visible_cursors(
1519 &self,
1520 snapshot: &EditorSnapshot,
1521 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1522 row_block_types: &HashMap<DisplayRow, bool>,
1523 visible_display_row_range: Range<DisplayRow>,
1524 line_layouts: &[LineWithInvisibles],
1525 text_hitbox: &Hitbox,
1526 content_origin: gpui::Point<Pixels>,
1527 scroll_position: gpui::Point<f32>,
1528 scroll_pixel_position: gpui::Point<Pixels>,
1529 line_height: Pixels,
1530 em_width: Pixels,
1531 em_advance: Pixels,
1532 autoscroll_containing_element: bool,
1533 window: &mut Window,
1534 cx: &mut App,
1535 ) -> Vec<CursorLayout> {
1536 let mut autoscroll_bounds = None;
1537 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1538 let mut cursors = Vec::new();
1539
1540 let show_local_cursors = editor.show_local_cursors(window, cx);
1541
1542 for (player_color, selections) in selections {
1543 for selection in selections {
1544 let cursor_position = selection.head;
1545
1546 let in_range = visible_display_row_range.contains(&cursor_position.row());
1547 if (selection.is_local && !show_local_cursors)
1548 || !in_range
1549 || row_block_types.get(&cursor_position.row()) == Some(&true)
1550 {
1551 continue;
1552 }
1553
1554 let cursor_row_layout = &line_layouts
1555 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1556 let cursor_column = cursor_position.column() as usize;
1557
1558 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1559 let mut block_width =
1560 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1561 if block_width == Pixels::ZERO {
1562 block_width = em_advance;
1563 }
1564 let block_text = if let CursorShape::Block = selection.cursor_shape {
1565 snapshot
1566 .grapheme_at(cursor_position)
1567 .or_else(|| {
1568 if snapshot.is_empty() {
1569 snapshot.placeholder_text().and_then(|s| {
1570 s.graphemes(true).next().map(|s| s.to_string().into())
1571 })
1572 } else {
1573 None
1574 }
1575 })
1576 .map(|text| {
1577 let len = text.len();
1578
1579 let font = cursor_row_layout
1580 .font_id_for_index(cursor_column)
1581 .and_then(|cursor_font_id| {
1582 window.text_system().get_font_for_id(cursor_font_id)
1583 })
1584 .unwrap_or(self.style.text.font());
1585
1586 // Invert the text color for the block cursor. Ensure that the text
1587 // color is opaque enough to be visible against the background color.
1588 //
1589 // 0.75 is an arbitrary threshold to determine if the background color is
1590 // opaque enough to use as a text color.
1591 //
1592 // TODO: In the future we should ensure themes have a `text_inverse` color.
1593 let color = if cx.theme().colors().editor_background.a < 0.75 {
1594 match cx.theme().appearance {
1595 Appearance::Dark => Hsla::black(),
1596 Appearance::Light => Hsla::white(),
1597 }
1598 } else {
1599 cx.theme().colors().editor_background
1600 };
1601
1602 window.text_system().shape_line(
1603 text,
1604 cursor_row_layout.font_size,
1605 &[TextRun {
1606 len,
1607 font,
1608 color,
1609 background_color: None,
1610 strikethrough: None,
1611 underline: None,
1612 }],
1613 )
1614 })
1615 } else {
1616 None
1617 };
1618
1619 let x = cursor_character_x - scroll_pixel_position.x;
1620 let y = (cursor_position.row().as_f32()
1621 - scroll_pixel_position.y / line_height)
1622 * line_height;
1623 if selection.is_newest {
1624 editor.pixel_position_of_newest_cursor = Some(point(
1625 text_hitbox.origin.x + x + block_width / 2.,
1626 text_hitbox.origin.y + y + line_height / 2.,
1627 ));
1628
1629 if autoscroll_containing_element {
1630 let top = text_hitbox.origin.y
1631 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1632 * line_height;
1633 let left = text_hitbox.origin.x
1634 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1635 .max(0.)
1636 * em_width;
1637
1638 let bottom = text_hitbox.origin.y
1639 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1640 * line_height;
1641 let right = text_hitbox.origin.x
1642 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1643 * em_width;
1644
1645 autoscroll_bounds =
1646 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1647 }
1648 }
1649
1650 let mut cursor = CursorLayout {
1651 color: player_color.cursor,
1652 block_width,
1653 origin: point(x, y),
1654 line_height,
1655 shape: selection.cursor_shape,
1656 block_text,
1657 cursor_name: None,
1658 };
1659 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1660 string: name,
1661 color: self.style.background,
1662 is_top_row: cursor_position.row().0 == 0,
1663 });
1664 cursor.layout(content_origin, cursor_name, window, cx);
1665 cursors.push(cursor);
1666 }
1667 }
1668
1669 cursors
1670 });
1671
1672 if let Some(bounds) = autoscroll_bounds {
1673 window.request_autoscroll(bounds);
1674 }
1675
1676 cursor_layouts
1677 }
1678
1679 fn layout_scrollbars(
1680 &self,
1681 snapshot: &EditorSnapshot,
1682 scrollbar_layout_information: &ScrollbarLayoutInformation,
1683 content_offset: gpui::Point<Pixels>,
1684 scroll_position: gpui::Point<f32>,
1685 non_visible_cursors: bool,
1686 right_margin: Pixels,
1687 editor_width: Pixels,
1688 window: &mut Window,
1689 cx: &mut App,
1690 ) -> Option<EditorScrollbars> {
1691 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1692 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1693 || self.style.scrollbar_width.is_zero()
1694 {
1695 return None;
1696 }
1697
1698 // If a drag took place after we started dragging the scrollbar,
1699 // cancel the scrollbar drag.
1700 if cx.has_active_drag() {
1701 self.editor.update(cx, |editor, cx| {
1702 editor.scroll_manager.reset_scrollbar_state(cx)
1703 });
1704 }
1705
1706 let editor_settings = EditorSettings::get_global(cx);
1707 let scrollbar_settings = editor_settings.scrollbar;
1708 let show_scrollbars = match scrollbar_settings.show {
1709 ShowScrollbar::Auto => {
1710 let editor = self.editor.read(cx);
1711 let is_singleton = editor.is_singleton(cx);
1712 // Git
1713 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1714 ||
1715 // Buffer Search Results
1716 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1717 ||
1718 // Selected Text Occurrences
1719 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1720 ||
1721 // Selected Symbol Occurrences
1722 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1723 ||
1724 // Diagnostics
1725 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1726 ||
1727 // Cursors out of sight
1728 non_visible_cursors
1729 ||
1730 // Scrollmanager
1731 editor.scroll_manager.scrollbars_visible()
1732 }
1733 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1734 ShowScrollbar::Always => true,
1735 ShowScrollbar::Never => return None,
1736 };
1737
1738 // The horizontal scrollbar is usually slightly offset to align nicely with
1739 // indent guides. However, this offset is not needed if indent guides are
1740 // disabled for the current editor.
1741 let content_offset = self
1742 .editor
1743 .read(cx)
1744 .show_indent_guides
1745 .is_none_or(|should_show| should_show)
1746 .then_some(content_offset)
1747 .unwrap_or_default();
1748
1749 Some(EditorScrollbars::from_scrollbar_axes(
1750 ScrollbarAxes {
1751 horizontal: scrollbar_settings.axes.horizontal
1752 && self.editor.read(cx).show_scrollbars.horizontal,
1753 vertical: scrollbar_settings.axes.vertical
1754 && self.editor.read(cx).show_scrollbars.vertical,
1755 },
1756 scrollbar_layout_information,
1757 content_offset,
1758 scroll_position,
1759 self.style.scrollbar_width,
1760 right_margin,
1761 editor_width,
1762 show_scrollbars,
1763 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1764 window,
1765 ))
1766 }
1767
1768 fn layout_minimap(
1769 &self,
1770 snapshot: &EditorSnapshot,
1771 minimap_width: Pixels,
1772 scroll_position: gpui::Point<f32>,
1773 scrollbar_layout_information: &ScrollbarLayoutInformation,
1774 scrollbar_layout: Option<&EditorScrollbars>,
1775 window: &mut Window,
1776 cx: &mut App,
1777 ) -> Option<MinimapLayout> {
1778 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1779
1780 let minimap_settings = EditorSettings::get_global(cx).minimap;
1781
1782 if minimap_settings.on_active_editor() {
1783 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1784 ws.read(cx)
1785 .active_pane()
1786 .read(cx)
1787 .active_item()
1788 .and_then(|i| i.act_as::<Editor>(cx))
1789 });
1790 if active_editor.is_some_and(|e| e != self.editor) {
1791 return None;
1792 }
1793 }
1794
1795 if !snapshot.mode.is_full()
1796 || minimap_width.is_zero()
1797 || matches!(
1798 minimap_settings.show,
1799 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1800 )
1801 {
1802 return None;
1803 }
1804
1805 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1806
1807 let ScrollbarLayoutInformation {
1808 editor_bounds,
1809 scroll_range,
1810 glyph_grid_cell,
1811 } = scrollbar_layout_information;
1812
1813 let line_height = glyph_grid_cell.height;
1814 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1815
1816 let top_right_anchor = scrollbar_layout
1817 .and_then(|layout| layout.vertical.as_ref())
1818 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1819 .unwrap_or_else(|| editor_bounds.top_right());
1820
1821 let thumb_state = self
1822 .editor
1823 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1824
1825 let show_thumb = match minimap_settings.thumb {
1826 MinimapThumb::Always => true,
1827 MinimapThumb::Hover => thumb_state.is_some(),
1828 };
1829
1830 let minimap_bounds = Bounds::from_corner_and_size(
1831 Corner::TopRight,
1832 top_right_anchor,
1833 size(minimap_width, editor_bounds.size.height),
1834 );
1835 let minimap_line_height = self.get_minimap_line_height(
1836 minimap_editor
1837 .read(cx)
1838 .text_style_refinement
1839 .as_ref()
1840 .and_then(|refinement| refinement.font_size)
1841 .unwrap_or(MINIMAP_FONT_SIZE),
1842 window,
1843 cx,
1844 );
1845 let minimap_height = minimap_bounds.size.height;
1846
1847 let visible_editor_lines = editor_bounds.size.height / line_height;
1848 let total_editor_lines = scroll_range.height / line_height;
1849 let minimap_lines = minimap_height / minimap_line_height;
1850
1851 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1852 total_editor_lines,
1853 visible_editor_lines,
1854 minimap_lines,
1855 scroll_position,
1856 );
1857
1858 let layout = ScrollbarLayout::for_minimap(
1859 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1860 visible_editor_lines,
1861 total_editor_lines,
1862 minimap_line_height,
1863 scroll_position,
1864 minimap_scroll_top,
1865 show_thumb,
1866 )
1867 .with_thumb_state(thumb_state);
1868
1869 minimap_editor.update(cx, |editor, cx| {
1870 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1871 });
1872
1873 // Required for the drop shadow to be visible
1874 const PADDING_OFFSET: Pixels = px(4.);
1875
1876 let mut minimap = div()
1877 .size_full()
1878 .shadow_sm()
1879 .px(PADDING_OFFSET)
1880 .child(minimap_editor)
1881 .into_any_element();
1882
1883 let extended_bounds = minimap_bounds.extend(Edges {
1884 right: PADDING_OFFSET,
1885 left: PADDING_OFFSET,
1886 ..Default::default()
1887 });
1888 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1889 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1890 minimap.prepaint(window, cx)
1891 });
1892
1893 Some(MinimapLayout {
1894 minimap,
1895 thumb_layout: layout,
1896 thumb_border_style: minimap_settings.thumb_border,
1897 minimap_line_height,
1898 minimap_scroll_top,
1899 max_scroll_top: total_editor_lines,
1900 })
1901 }
1902
1903 fn get_minimap_line_height(
1904 &self,
1905 font_size: AbsoluteLength,
1906 window: &mut Window,
1907 cx: &mut App,
1908 ) -> Pixels {
1909 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1910 let mut text_style = self.style.text.clone();
1911 text_style.font_size = font_size;
1912 text_style.line_height_in_pixels(rem_size)
1913 }
1914
1915 fn get_minimap_width(
1916 &self,
1917 minimap_settings: &Minimap,
1918 scrollbars_shown: bool,
1919 text_width: Pixels,
1920 em_width: Pixels,
1921 font_size: Pixels,
1922 rem_size: Pixels,
1923 cx: &App,
1924 ) -> Option<Pixels> {
1925 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1926 return None;
1927 }
1928
1929 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1930 editor.minimap().map(|minimap_editor| {
1931 minimap_editor
1932 .read(cx)
1933 .text_style_refinement
1934 .as_ref()
1935 .and_then(|refinement| refinement.font_size)
1936 .unwrap_or(MINIMAP_FONT_SIZE)
1937 })
1938 })?;
1939
1940 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1941
1942 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1943 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1944
1945 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1946 .then_some(minimap_width)
1947 }
1948
1949 fn prepaint_crease_toggles(
1950 &self,
1951 crease_toggles: &mut [Option<AnyElement>],
1952 line_height: Pixels,
1953 gutter_dimensions: &GutterDimensions,
1954 gutter_settings: crate::editor_settings::Gutter,
1955 scroll_pixel_position: gpui::Point<Pixels>,
1956 gutter_hitbox: &Hitbox,
1957 window: &mut Window,
1958 cx: &mut App,
1959 ) {
1960 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1961 if let Some(crease_toggle) = crease_toggle {
1962 debug_assert!(gutter_settings.folds);
1963 let available_space = size(
1964 AvailableSpace::MinContent,
1965 AvailableSpace::Definite(line_height * 0.55),
1966 );
1967 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1968
1969 let position = point(
1970 gutter_dimensions.width - gutter_dimensions.right_padding,
1971 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
1972 );
1973 let centering_offset = point(
1974 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
1975 (line_height - crease_toggle_size.height) / 2.,
1976 );
1977 let origin = gutter_hitbox.origin + position + centering_offset;
1978 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
1979 }
1980 }
1981 }
1982
1983 fn prepaint_expand_toggles(
1984 &self,
1985 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
1986 window: &mut Window,
1987 cx: &mut App,
1988 ) {
1989 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
1990 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
1991 expand_toggle.layout_as_root(available_space, window, cx);
1992 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
1993 }
1994 }
1995
1996 fn prepaint_crease_trailers(
1997 &self,
1998 trailers: Vec<Option<AnyElement>>,
1999 lines: &[LineWithInvisibles],
2000 line_height: Pixels,
2001 content_origin: gpui::Point<Pixels>,
2002 scroll_pixel_position: gpui::Point<Pixels>,
2003 em_width: Pixels,
2004 window: &mut Window,
2005 cx: &mut App,
2006 ) -> Vec<Option<CreaseTrailerLayout>> {
2007 trailers
2008 .into_iter()
2009 .enumerate()
2010 .map(|(ix, element)| {
2011 let mut element = element?;
2012 let available_space = size(
2013 AvailableSpace::MinContent,
2014 AvailableSpace::Definite(line_height),
2015 );
2016 let size = element.layout_as_root(available_space, window, cx);
2017
2018 let line = &lines[ix];
2019 let padding = if line.width == Pixels::ZERO {
2020 Pixels::ZERO
2021 } else {
2022 4. * em_width
2023 };
2024 let position = point(
2025 scroll_pixel_position.x + line.width + padding,
2026 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2027 );
2028 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2029 let origin = content_origin + position + centering_offset;
2030 element.prepaint_as_root(origin, available_space, window, cx);
2031 Some(CreaseTrailerLayout {
2032 element,
2033 bounds: Bounds::new(origin, size),
2034 })
2035 })
2036 .collect()
2037 }
2038
2039 // Folds contained in a hunk are ignored apart from shrinking visual size
2040 // If a fold contains any hunks then that fold line is marked as modified
2041 fn layout_gutter_diff_hunks(
2042 &self,
2043 line_height: Pixels,
2044 gutter_hitbox: &Hitbox,
2045 display_rows: Range<DisplayRow>,
2046 snapshot: &EditorSnapshot,
2047 window: &mut Window,
2048 cx: &mut App,
2049 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2050 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2051 let mut display_hunks = snapshot
2052 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2053 .map(|hunk| (hunk, None))
2054 .collect::<Vec<_>>();
2055 let git_gutter_setting = ProjectSettings::get_global(cx)
2056 .git
2057 .git_gutter
2058 .unwrap_or_default();
2059 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2060 for (hunk, hitbox) in &mut display_hunks {
2061 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2062 let hunk_bounds =
2063 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2064 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2065 }
2066 }
2067 }
2068
2069 display_hunks
2070 }
2071
2072 fn layout_inline_diagnostics(
2073 &self,
2074 line_layouts: &[LineWithInvisibles],
2075 crease_trailers: &[Option<CreaseTrailerLayout>],
2076 row_block_types: &HashMap<DisplayRow, bool>,
2077 content_origin: gpui::Point<Pixels>,
2078 scroll_pixel_position: gpui::Point<Pixels>,
2079 inline_completion_popover_origin: Option<gpui::Point<Pixels>>,
2080 start_row: DisplayRow,
2081 end_row: DisplayRow,
2082 line_height: Pixels,
2083 em_width: Pixels,
2084 style: &EditorStyle,
2085 window: &mut Window,
2086 cx: &mut App,
2087 ) -> HashMap<DisplayRow, AnyElement> {
2088 if self.editor.read(cx).mode().is_minimap() {
2089 return HashMap::default();
2090 }
2091
2092 let max_severity = match ProjectSettings::get_global(cx)
2093 .diagnostics
2094 .inline
2095 .max_severity
2096 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2097 .into_lsp()
2098 {
2099 Some(max_severity) => max_severity,
2100 None => return HashMap::default(),
2101 };
2102
2103 let active_diagnostics_group =
2104 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2105 Some(group.group_id)
2106 } else {
2107 None
2108 };
2109
2110 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2111 let snapshot = editor.snapshot(window, cx);
2112 editor
2113 .inline_diagnostics
2114 .iter()
2115 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2116 .filter(|(_, diagnostic)| match active_diagnostics_group {
2117 Some(active_diagnostics_group) => {
2118 // Active diagnostics are all shown in the editor already, no need to display them inline
2119 diagnostic.group_id != active_diagnostics_group
2120 }
2121 None => true,
2122 })
2123 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2124 .skip_while(|(point, _)| point.row() < start_row)
2125 .take_while(|(point, _)| point.row() < end_row)
2126 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2127 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2128 acc.entry(point.row())
2129 .or_insert_with(Vec::new)
2130 .push(diagnostic);
2131 acc
2132 })
2133 });
2134
2135 if diagnostics_by_rows.is_empty() {
2136 return HashMap::default();
2137 }
2138
2139 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2140 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2141 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2142 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2143 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2144 _ => Color::Error,
2145 };
2146
2147 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2148 let min_x = ProjectSettings::get_global(cx)
2149 .diagnostics
2150 .inline
2151 .min_column as f32
2152 * em_width;
2153
2154 let mut elements = HashMap::default();
2155 for (row, mut diagnostics) in diagnostics_by_rows {
2156 diagnostics.sort_by_key(|diagnostic| {
2157 (
2158 diagnostic.severity,
2159 std::cmp::Reverse(diagnostic.is_primary),
2160 diagnostic.start.row,
2161 diagnostic.start.column,
2162 )
2163 });
2164
2165 let Some(diagnostic_to_render) = diagnostics
2166 .iter()
2167 .find(|diagnostic| diagnostic.is_primary)
2168 .or_else(|| diagnostics.first())
2169 else {
2170 continue;
2171 };
2172
2173 let pos_y = content_origin.y
2174 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2175
2176 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2177 let pos_x = {
2178 let crease_trailer_layout = &crease_trailers[window_ix];
2179 let line_layout = &line_layouts[window_ix];
2180
2181 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2182 crease_trailer.bounds.right()
2183 } else {
2184 content_origin.x - scroll_pixel_position.x + line_layout.width
2185 };
2186
2187 let padded_line = line_end + padding;
2188 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2189
2190 cmp::max(padded_line, min_start)
2191 };
2192
2193 let behind_inline_completion_popover = inline_completion_popover_origin
2194 .as_ref()
2195 .map_or(false, |inline_completion_popover_origin| {
2196 (pos_y..pos_y + line_height).contains(&inline_completion_popover_origin.y)
2197 });
2198 let opacity = if behind_inline_completion_popover {
2199 0.5
2200 } else {
2201 1.0
2202 };
2203
2204 let mut element = h_flex()
2205 .id(("diagnostic", row.0))
2206 .h(line_height)
2207 .w_full()
2208 .px_1()
2209 .rounded_xs()
2210 .opacity(opacity)
2211 .bg(severity_to_color(&diagnostic_to_render.severity)
2212 .color(cx)
2213 .opacity(0.05))
2214 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2215 .text_sm()
2216 .font_family(style.text.font().family)
2217 .child(diagnostic_to_render.message.clone())
2218 .into_any();
2219
2220 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2221
2222 elements.insert(row, element);
2223 }
2224
2225 elements
2226 }
2227
2228 fn layout_inline_code_actions(
2229 &self,
2230 display_point: DisplayPoint,
2231 content_origin: gpui::Point<Pixels>,
2232 scroll_pixel_position: gpui::Point<Pixels>,
2233 line_height: Pixels,
2234 snapshot: &EditorSnapshot,
2235 window: &mut Window,
2236 cx: &mut App,
2237 ) -> Option<AnyElement> {
2238 if !snapshot
2239 .show_code_actions
2240 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2241 {
2242 return None;
2243 }
2244
2245 let icon_size = ui::IconSize::XSmall;
2246 let mut button = self.editor.update(cx, |editor, cx| {
2247 editor.available_code_actions.as_ref()?;
2248 let active = editor
2249 .context_menu
2250 .borrow()
2251 .as_ref()
2252 .and_then(|menu| {
2253 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2254 deployed_from,
2255 ..
2256 }) = menu
2257 {
2258 deployed_from.as_ref()
2259 } else {
2260 None
2261 }
2262 })
2263 .map_or(false, |source| {
2264 matches!(source, CodeActionSource::Indicator(..))
2265 });
2266 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2267 })?;
2268
2269 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2270
2271 // do not show code action for folded line
2272 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2273 return None;
2274 }
2275
2276 // do not show code action for blank line with cursor
2277 let line_indent = snapshot
2278 .display_snapshot
2279 .buffer_snapshot
2280 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2281 if line_indent.is_line_blank() {
2282 return None;
2283 }
2284
2285 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2286 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2287
2288 let excerpt_id = snapshot
2289 .display_snapshot
2290 .buffer_snapshot
2291 .excerpt_containing(buffer_point..buffer_point)
2292 .map(|excerpt| excerpt.id());
2293
2294 let is_valid_row = |row_candidate: u32| -> bool {
2295 // move to other row if folded row
2296 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2297 return false;
2298 }
2299 if buffer_point.row == row_candidate {
2300 // move to other row if cursor is in slot
2301 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2302 return false;
2303 }
2304 } else {
2305 let candidate_point = MultiBufferPoint {
2306 row: row_candidate,
2307 column: 0,
2308 };
2309 let candidate_excerpt_id = snapshot
2310 .display_snapshot
2311 .buffer_snapshot
2312 .excerpt_containing(candidate_point..candidate_point)
2313 .map(|excerpt| excerpt.id());
2314 // move to other row if different excerpt
2315 if excerpt_id != candidate_excerpt_id {
2316 return false;
2317 }
2318 }
2319 let line_indent = snapshot
2320 .display_snapshot
2321 .buffer_snapshot
2322 .line_indent_for_row(MultiBufferRow(row_candidate));
2323 // use this row if it's blank
2324 if line_indent.is_line_blank() {
2325 true
2326 } else {
2327 // use this row if code starts after slot
2328 let indent_size = snapshot
2329 .display_snapshot
2330 .buffer_snapshot
2331 .indent_size_for_line(MultiBufferRow(row_candidate));
2332 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2333 }
2334 };
2335
2336 let new_buffer_row = if is_valid_row(buffer_point.row) {
2337 Some(buffer_point.row)
2338 } else {
2339 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2340 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2341 let row_above = buffer_point.row.saturating_sub(offset);
2342 let row_below = buffer_point.row + offset;
2343 if row_above != buffer_point.row && is_valid_row(row_above) {
2344 Some(row_above)
2345 } else if row_below <= max_row && is_valid_row(row_below) {
2346 Some(row_below)
2347 } else {
2348 None
2349 }
2350 })
2351 }?;
2352
2353 let new_display_row = snapshot
2354 .display_snapshot
2355 .point_to_display_point(
2356 Point {
2357 row: new_buffer_row,
2358 column: buffer_point.column,
2359 },
2360 text::Bias::Left,
2361 )
2362 .row();
2363
2364 let start_y = content_origin.y
2365 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2366 + (line_height / 2.0)
2367 - (icon_size.square(window, cx) / 2.);
2368 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2369
2370 let absolute_offset = gpui::point(start_x, start_y);
2371 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2372 button.prepaint_as_root(
2373 absolute_offset,
2374 gpui::AvailableSpace::min_size(),
2375 window,
2376 cx,
2377 );
2378 Some(button)
2379 }
2380
2381 fn layout_inline_blame(
2382 &self,
2383 display_row: DisplayRow,
2384 row_info: &RowInfo,
2385 line_layout: &LineWithInvisibles,
2386 crease_trailer: Option<&CreaseTrailerLayout>,
2387 em_width: Pixels,
2388 content_origin: gpui::Point<Pixels>,
2389 scroll_pixel_position: gpui::Point<Pixels>,
2390 line_height: Pixels,
2391 text_hitbox: &Hitbox,
2392 window: &mut Window,
2393 cx: &mut App,
2394 ) -> Option<InlineBlameLayout> {
2395 if !self
2396 .editor
2397 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2398 {
2399 return None;
2400 }
2401
2402 let editor = self.editor.read(cx);
2403 let blame = editor.blame.clone()?;
2404 let padding = {
2405 const INLINE_BLAME_PADDING_EM_WIDTHS: f32 = 6.;
2406 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2407
2408 let mut padding = INLINE_BLAME_PADDING_EM_WIDTHS;
2409
2410 if let Some(inline_completion) = editor.active_inline_completion.as_ref() {
2411 match &inline_completion.completion {
2412 InlineCompletion::Edit {
2413 display_mode: EditDisplayMode::TabAccept,
2414 ..
2415 } => padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS,
2416 _ => {}
2417 }
2418 }
2419
2420 padding * em_width
2421 };
2422
2423 let entry = blame
2424 .update(cx, |blame, cx| {
2425 blame.blame_for_rows(&[*row_info], cx).next()
2426 })
2427 .flatten()?;
2428
2429 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2430
2431 let start_y = content_origin.y
2432 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2433
2434 let start_x = {
2435 let line_end = if let Some(crease_trailer) = crease_trailer {
2436 crease_trailer.bounds.right()
2437 } else {
2438 content_origin.x - scroll_pixel_position.x + line_layout.width
2439 };
2440
2441 let padded_line_end = line_end + padding;
2442
2443 let min_column_in_pixels = ProjectSettings::get_global(cx)
2444 .git
2445 .inline_blame
2446 .and_then(|settings| settings.min_column)
2447 .map(|col| self.column_pixels(col as usize, window))
2448 .unwrap_or(px(0.));
2449 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2450
2451 cmp::max(padded_line_end, min_start)
2452 };
2453
2454 let absolute_offset = point(start_x, start_y);
2455 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2456 let bounds = Bounds::new(absolute_offset, size);
2457
2458 self.layout_blame_entry_popover(entry.clone(), blame, line_height, text_hitbox, window, cx);
2459
2460 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2461
2462 Some(InlineBlameLayout {
2463 element,
2464 bounds,
2465 entry,
2466 })
2467 }
2468
2469 fn layout_blame_entry_popover(
2470 &self,
2471 blame_entry: BlameEntry,
2472 blame: Entity<GitBlame>,
2473 line_height: Pixels,
2474 text_hitbox: &Hitbox,
2475 window: &mut Window,
2476 cx: &mut App,
2477 ) {
2478 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2479 editor
2480 .inline_blame_popover
2481 .as_ref()
2482 .map(|state| (state.popover_state.clone(), state.position))
2483 }) else {
2484 return;
2485 };
2486
2487 let workspace = self
2488 .editor
2489 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2490
2491 let maybe_element = workspace.and_then(|workspace| {
2492 render_blame_entry_popover(
2493 blame_entry,
2494 popover_state.scroll_handle,
2495 popover_state.commit_message,
2496 popover_state.markdown,
2497 workspace,
2498 &blame,
2499 window,
2500 cx,
2501 )
2502 });
2503
2504 if let Some(mut element) = maybe_element {
2505 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2506 let overall_height = size.height + HOVER_POPOVER_GAP;
2507 let popover_origin = if target_point.y > overall_height {
2508 point(target_point.x, target_point.y - size.height)
2509 } else {
2510 point(
2511 target_point.x,
2512 target_point.y + line_height + HOVER_POPOVER_GAP,
2513 )
2514 };
2515
2516 let horizontal_offset = (text_hitbox.top_right().x
2517 - POPOVER_RIGHT_OFFSET
2518 - (popover_origin.x + size.width))
2519 .min(Pixels::ZERO);
2520
2521 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2522 let popover_bounds = Bounds::new(origin, size);
2523
2524 self.editor.update(cx, |editor, _| {
2525 if let Some(state) = &mut editor.inline_blame_popover {
2526 state.popover_bounds = Some(popover_bounds);
2527 }
2528 });
2529
2530 window.defer_draw(element, origin, 2);
2531 }
2532 }
2533
2534 fn layout_blame_entries(
2535 &self,
2536 buffer_rows: &[RowInfo],
2537 em_width: Pixels,
2538 scroll_position: gpui::Point<f32>,
2539 line_height: Pixels,
2540 gutter_hitbox: &Hitbox,
2541 max_width: Option<Pixels>,
2542 window: &mut Window,
2543 cx: &mut App,
2544 ) -> Option<Vec<AnyElement>> {
2545 if !self
2546 .editor
2547 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2548 {
2549 return None;
2550 }
2551
2552 let blame = self.editor.read(cx).blame.clone()?;
2553 let workspace = self.editor.read(cx).workspace()?;
2554 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2555 blame.blame_for_rows(buffer_rows, cx).collect()
2556 });
2557
2558 let width = if let Some(max_width) = max_width {
2559 AvailableSpace::Definite(max_width)
2560 } else {
2561 AvailableSpace::MaxContent
2562 };
2563 let scroll_top = scroll_position.y * line_height;
2564 let start_x = em_width;
2565
2566 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2567 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2568
2569 let shaped_lines = blamed_rows
2570 .into_iter()
2571 .enumerate()
2572 .flat_map(|(ix, blame_entry)| {
2573 let mut element = render_blame_entry(
2574 ix,
2575 &blame,
2576 blame_entry?,
2577 &self.style,
2578 &mut last_used_color,
2579 self.editor.clone(),
2580 workspace.clone(),
2581 blame_renderer.clone(),
2582 cx,
2583 )?;
2584
2585 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2586 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2587
2588 element.prepaint_as_root(
2589 absolute_offset,
2590 size(width, AvailableSpace::MinContent),
2591 window,
2592 cx,
2593 );
2594
2595 Some(element)
2596 })
2597 .collect();
2598
2599 Some(shaped_lines)
2600 }
2601
2602 fn layout_indent_guides(
2603 &self,
2604 content_origin: gpui::Point<Pixels>,
2605 text_origin: gpui::Point<Pixels>,
2606 visible_buffer_range: Range<MultiBufferRow>,
2607 scroll_pixel_position: gpui::Point<Pixels>,
2608 line_height: Pixels,
2609 snapshot: &DisplaySnapshot,
2610 window: &mut Window,
2611 cx: &mut App,
2612 ) -> Option<Vec<IndentGuideLayout>> {
2613 if self.editor.read(cx).mode().is_minimap() {
2614 return None;
2615 }
2616 let indent_guides = self.editor.update(cx, |editor, cx| {
2617 editor.indent_guides(visible_buffer_range, snapshot, cx)
2618 })?;
2619
2620 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2621 editor
2622 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2623 .unwrap_or_default()
2624 });
2625
2626 Some(
2627 indent_guides
2628 .into_iter()
2629 .enumerate()
2630 .filter_map(|(i, indent_guide)| {
2631 let single_indent_width =
2632 self.column_pixels(indent_guide.tab_size as usize, window);
2633 let total_width = single_indent_width * indent_guide.depth as f32;
2634 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2635 if start_x >= text_origin.x {
2636 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2637 indent_guide.start_row..indent_guide.end_row,
2638 line_height,
2639 snapshot,
2640 );
2641
2642 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2643
2644 Some(IndentGuideLayout {
2645 origin: point(start_x, start_y),
2646 length,
2647 single_indent_width,
2648 depth: indent_guide.depth,
2649 active: active_indent_guide_indices.contains(&i),
2650 settings: indent_guide.settings,
2651 })
2652 } else {
2653 None
2654 }
2655 })
2656 .collect(),
2657 )
2658 }
2659
2660 fn layout_wrap_guides(
2661 &self,
2662 em_advance: Pixels,
2663 scroll_position: gpui::Point<f32>,
2664 content_origin: gpui::Point<Pixels>,
2665 scrollbar_layout: Option<&EditorScrollbars>,
2666 vertical_scrollbar_width: Pixels,
2667 hitbox: &Hitbox,
2668 window: &Window,
2669 cx: &App,
2670 ) -> SmallVec<[(Pixels, bool); 2]> {
2671 let scroll_left = scroll_position.x * em_advance;
2672 let content_origin = content_origin.x;
2673 let horizontal_offset = content_origin - scroll_left;
2674 let vertical_scrollbar_width = scrollbar_layout
2675 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2676 .unwrap_or_default();
2677
2678 self.editor
2679 .read(cx)
2680 .wrap_guides(cx)
2681 .into_iter()
2682 .flat_map(|(guide, active)| {
2683 let wrap_position = self.column_pixels(guide, window);
2684 let wrap_guide_x = wrap_position + horizontal_offset;
2685 let display_wrap_guide = wrap_guide_x >= content_origin
2686 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2687
2688 display_wrap_guide.then_some((wrap_guide_x, active))
2689 })
2690 .collect()
2691 }
2692
2693 fn calculate_indent_guide_bounds(
2694 row_range: Range<MultiBufferRow>,
2695 line_height: Pixels,
2696 snapshot: &DisplaySnapshot,
2697 ) -> (gpui::Pixels, gpui::Pixels) {
2698 let start_point = Point::new(row_range.start.0, 0);
2699 let end_point = Point::new(row_range.end.0, 0);
2700
2701 let row_range = start_point.to_display_point(snapshot).row()
2702 ..end_point.to_display_point(snapshot).row();
2703
2704 let mut prev_line = start_point;
2705 prev_line.row = prev_line.row.saturating_sub(1);
2706 let prev_line = prev_line.to_display_point(snapshot).row();
2707
2708 let mut cons_line = end_point;
2709 cons_line.row += 1;
2710 let cons_line = cons_line.to_display_point(snapshot).row();
2711
2712 let mut offset_y = row_range.start.0 as f32 * line_height;
2713 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2714
2715 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2716 if row_range.end == cons_line {
2717 length += line_height;
2718 }
2719
2720 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2721 // we want to extend the indent guide to the start of the block.
2722 let mut block_height = 0;
2723 let mut block_offset = 0;
2724 let mut found_excerpt_header = false;
2725 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2726 if matches!(block, Block::ExcerptBoundary { .. }) {
2727 found_excerpt_header = true;
2728 break;
2729 }
2730 block_offset += block.height();
2731 block_height += block.height();
2732 }
2733 if !found_excerpt_header {
2734 offset_y -= block_offset as f32 * line_height;
2735 length += block_height as f32 * line_height;
2736 }
2737
2738 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2739 // we want to ensure that the indent guide stops before the excerpt header.
2740 let mut block_height = 0;
2741 let mut found_excerpt_header = false;
2742 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2743 if matches!(block, Block::ExcerptBoundary { .. }) {
2744 found_excerpt_header = true;
2745 }
2746 block_height += block.height();
2747 }
2748 if found_excerpt_header {
2749 length -= block_height as f32 * line_height;
2750 }
2751
2752 (offset_y, length)
2753 }
2754
2755 fn layout_breakpoints(
2756 &self,
2757 line_height: Pixels,
2758 range: Range<DisplayRow>,
2759 scroll_pixel_position: gpui::Point<Pixels>,
2760 gutter_dimensions: &GutterDimensions,
2761 gutter_hitbox: &Hitbox,
2762 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2763 snapshot: &EditorSnapshot,
2764 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2765 row_infos: &[RowInfo],
2766 window: &mut Window,
2767 cx: &mut App,
2768 ) -> Vec<AnyElement> {
2769 self.editor.update(cx, |editor, cx| {
2770 breakpoints
2771 .into_iter()
2772 .filter_map(|(display_row, (text_anchor, bp, state))| {
2773 if row_infos
2774 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2775 .is_some_and(|row_info| {
2776 row_info.expand_info.is_some()
2777 || row_info
2778 .diff_status
2779 .is_some_and(|status| status.is_deleted())
2780 })
2781 {
2782 return None;
2783 }
2784
2785 if range.start > display_row || range.end < display_row {
2786 return None;
2787 }
2788
2789 let row =
2790 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(&snapshot).row);
2791 if snapshot.is_line_folded(row) {
2792 return None;
2793 }
2794
2795 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2796
2797 let button = prepaint_gutter_button(
2798 button,
2799 display_row,
2800 line_height,
2801 gutter_dimensions,
2802 scroll_pixel_position,
2803 gutter_hitbox,
2804 display_hunks,
2805 window,
2806 cx,
2807 );
2808 Some(button)
2809 })
2810 .collect_vec()
2811 })
2812 }
2813
2814 #[allow(clippy::too_many_arguments)]
2815 fn layout_run_indicators(
2816 &self,
2817 line_height: Pixels,
2818 range: Range<DisplayRow>,
2819 row_infos: &[RowInfo],
2820 scroll_pixel_position: gpui::Point<Pixels>,
2821 gutter_dimensions: &GutterDimensions,
2822 gutter_hitbox: &Hitbox,
2823 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2824 snapshot: &EditorSnapshot,
2825 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2826 window: &mut Window,
2827 cx: &mut App,
2828 ) -> Vec<AnyElement> {
2829 self.editor.update(cx, |editor, cx| {
2830 let active_task_indicator_row =
2831 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2832 deployed_from,
2833 actions,
2834 ..
2835 })) = editor.context_menu.borrow().as_ref()
2836 {
2837 actions
2838 .tasks()
2839 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2840 .or_else(|| match deployed_from {
2841 Some(CodeActionSource::Indicator(row)) => Some(*row),
2842 _ => None,
2843 })
2844 } else {
2845 None
2846 };
2847
2848 let offset_range_start =
2849 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2850
2851 let offset_range_end =
2852 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2853
2854 editor
2855 .tasks
2856 .iter()
2857 .filter_map(|(_, tasks)| {
2858 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2859 if multibuffer_point < offset_range_start
2860 || multibuffer_point > offset_range_end
2861 {
2862 return None;
2863 }
2864 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2865 let buffer_folded = snapshot
2866 .buffer_snapshot
2867 .buffer_line_for_row(multibuffer_row)
2868 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2869 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2870 .unwrap_or(false);
2871 if buffer_folded {
2872 return None;
2873 }
2874
2875 if snapshot.is_line_folded(multibuffer_row) {
2876 // Skip folded indicators, unless it's the starting line of a fold.
2877 if multibuffer_row
2878 .0
2879 .checked_sub(1)
2880 .map_or(false, |previous_row| {
2881 snapshot.is_line_folded(MultiBufferRow(previous_row))
2882 })
2883 {
2884 return None;
2885 }
2886 }
2887
2888 let display_row = multibuffer_point.to_display_point(snapshot).row();
2889 if !range.contains(&display_row) {
2890 return None;
2891 }
2892 if row_infos
2893 .get((display_row - range.start).0 as usize)
2894 .is_some_and(|row_info| row_info.expand_info.is_some())
2895 {
2896 return None;
2897 }
2898
2899 let button = editor.render_run_indicator(
2900 &self.style,
2901 Some(display_row) == active_task_indicator_row,
2902 display_row,
2903 breakpoints.remove(&display_row),
2904 cx,
2905 );
2906
2907 let button = prepaint_gutter_button(
2908 button,
2909 display_row,
2910 line_height,
2911 gutter_dimensions,
2912 scroll_pixel_position,
2913 gutter_hitbox,
2914 display_hunks,
2915 window,
2916 cx,
2917 );
2918 Some(button)
2919 })
2920 .collect_vec()
2921 })
2922 }
2923
2924 fn layout_expand_toggles(
2925 &self,
2926 gutter_hitbox: &Hitbox,
2927 gutter_dimensions: GutterDimensions,
2928 em_width: Pixels,
2929 line_height: Pixels,
2930 scroll_position: gpui::Point<f32>,
2931 buffer_rows: &[RowInfo],
2932 window: &mut Window,
2933 cx: &mut App,
2934 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2935 if self.editor.read(cx).disable_expand_excerpt_buttons {
2936 return vec![];
2937 }
2938
2939 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2940
2941 let scroll_top = scroll_position.y * line_height;
2942
2943 let max_line_number_length = self
2944 .editor
2945 .read(cx)
2946 .buffer()
2947 .read(cx)
2948 .snapshot(cx)
2949 .widest_line_number()
2950 .ilog10()
2951 + 1;
2952
2953 let elements = buffer_rows
2954 .into_iter()
2955 .enumerate()
2956 .map(|(ix, row_info)| {
2957 let ExpandInfo {
2958 excerpt_id,
2959 direction,
2960 } = row_info.expand_info?;
2961
2962 let icon_name = match direction {
2963 ExpandExcerptDirection::Up => IconName::ExpandUp,
2964 ExpandExcerptDirection::Down => IconName::ExpandDown,
2965 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
2966 };
2967
2968 let git_gutter_width = Self::gutter_strip_width(line_height);
2969 let available_width = gutter_dimensions.left_padding - git_gutter_width;
2970
2971 let editor = self.editor.clone();
2972 let is_wide = max_line_number_length
2973 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
2974 && row_info
2975 .buffer_row
2976 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
2977 || gutter_dimensions.right_padding == px(0.);
2978
2979 let width = if is_wide {
2980 available_width - px(2.)
2981 } else {
2982 available_width + em_width - px(2.)
2983 };
2984
2985 let toggle = IconButton::new(("expand", ix), icon_name)
2986 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
2987 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
2988 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
2989 .width(width.into())
2990 .on_click(move |_, window, cx| {
2991 editor.update(cx, |editor, cx| {
2992 editor.expand_excerpt(excerpt_id, direction, window, cx);
2993 });
2994 })
2995 .tooltip(Tooltip::for_action_title(
2996 "Expand Excerpt",
2997 &crate::actions::ExpandExcerpts::default(),
2998 ))
2999 .into_any_element();
3000
3001 let position = point(
3002 git_gutter_width + px(1.),
3003 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3004 );
3005 let origin = gutter_hitbox.origin + position;
3006
3007 Some((toggle, origin))
3008 })
3009 .collect();
3010
3011 elements
3012 }
3013
3014 fn calculate_relative_line_numbers(
3015 &self,
3016 snapshot: &EditorSnapshot,
3017 rows: &Range<DisplayRow>,
3018 relative_to: Option<DisplayRow>,
3019 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3020 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3021 let Some(relative_to) = relative_to else {
3022 return relative_rows;
3023 };
3024
3025 let start = rows.start.min(relative_to);
3026 let end = rows.end.max(relative_to);
3027
3028 let buffer_rows = snapshot
3029 .row_infos(start)
3030 .take(1 + end.minus(start) as usize)
3031 .collect::<Vec<_>>();
3032
3033 let head_idx = relative_to.minus(start);
3034 let mut delta = 1;
3035 let mut i = head_idx + 1;
3036 while i < buffer_rows.len() as u32 {
3037 if buffer_rows[i as usize].buffer_row.is_some() {
3038 if rows.contains(&DisplayRow(i + start.0)) {
3039 relative_rows.insert(DisplayRow(i + start.0), delta);
3040 }
3041 delta += 1;
3042 }
3043 i += 1;
3044 }
3045 delta = 1;
3046 i = head_idx.min(buffer_rows.len() as u32 - 1);
3047 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3048 i -= 1;
3049 }
3050
3051 while i > 0 {
3052 i -= 1;
3053 if buffer_rows[i as usize].buffer_row.is_some() {
3054 if rows.contains(&DisplayRow(i + start.0)) {
3055 relative_rows.insert(DisplayRow(i + start.0), delta);
3056 }
3057 delta += 1;
3058 }
3059 }
3060
3061 relative_rows
3062 }
3063
3064 fn layout_line_numbers(
3065 &self,
3066 gutter_hitbox: Option<&Hitbox>,
3067 gutter_dimensions: GutterDimensions,
3068 line_height: Pixels,
3069 scroll_position: gpui::Point<f32>,
3070 rows: Range<DisplayRow>,
3071 buffer_rows: &[RowInfo],
3072 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3073 newest_selection_head: Option<DisplayPoint>,
3074 snapshot: &EditorSnapshot,
3075 window: &mut Window,
3076 cx: &mut App,
3077 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3078 let include_line_numbers = snapshot.show_line_numbers.unwrap_or_else(|| {
3079 EditorSettings::get_global(cx).gutter.line_numbers && snapshot.mode.is_full()
3080 });
3081 if !include_line_numbers {
3082 return Arc::default();
3083 }
3084
3085 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3086 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3087 let newest = editor.selections.newest::<Point>(cx);
3088 SelectionLayout::new(
3089 newest,
3090 editor.selections.line_mode,
3091 editor.cursor_shape,
3092 &snapshot.display_snapshot,
3093 true,
3094 true,
3095 None,
3096 )
3097 .head
3098 });
3099 let is_relative = editor.should_use_relative_line_numbers(cx);
3100 (newest_selection_head, is_relative)
3101 });
3102
3103 let relative_to = if is_relative {
3104 Some(newest_selection_head.row())
3105 } else {
3106 None
3107 };
3108 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3109 let mut line_number = String::new();
3110 let line_numbers = buffer_rows
3111 .into_iter()
3112 .enumerate()
3113 .flat_map(|(ix, row_info)| {
3114 let display_row = DisplayRow(rows.start.0 + ix as u32);
3115 line_number.clear();
3116 let non_relative_number = row_info.buffer_row? + 1;
3117 let number = relative_rows
3118 .get(&display_row)
3119 .unwrap_or(&non_relative_number);
3120 write!(&mut line_number, "{number}").unwrap();
3121 if row_info
3122 .diff_status
3123 .is_some_and(|status| status.is_deleted())
3124 {
3125 return None;
3126 }
3127
3128 let color = active_rows
3129 .get(&display_row)
3130 .map(|spec| {
3131 if spec.breakpoint {
3132 cx.theme().colors().debugger_accent
3133 } else {
3134 cx.theme().colors().editor_active_line_number
3135 }
3136 })
3137 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3138 let shaped_line =
3139 self.shape_line_number(SharedString::from(&line_number), color, window);
3140 let scroll_top = scroll_position.y * line_height;
3141 let line_origin = gutter_hitbox.map(|hitbox| {
3142 hitbox.origin
3143 + point(
3144 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3145 ix as f32 * line_height - (scroll_top % line_height),
3146 )
3147 });
3148
3149 #[cfg(not(test))]
3150 let hitbox = line_origin.map(|line_origin| {
3151 window.insert_hitbox(
3152 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3153 HitboxBehavior::Normal,
3154 )
3155 });
3156 #[cfg(test)]
3157 let hitbox = {
3158 let _ = line_origin;
3159 None
3160 };
3161
3162 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3163 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3164 let line_number = LineNumberLayout {
3165 shaped_line,
3166 hitbox,
3167 };
3168 Some((multi_buffer_row, line_number))
3169 })
3170 .collect();
3171 Arc::new(line_numbers)
3172 }
3173
3174 fn layout_crease_toggles(
3175 &self,
3176 rows: Range<DisplayRow>,
3177 row_infos: &[RowInfo],
3178 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3179 snapshot: &EditorSnapshot,
3180 window: &mut Window,
3181 cx: &mut App,
3182 ) -> Vec<Option<AnyElement>> {
3183 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3184 && snapshot.mode.is_full()
3185 && self.editor.read(cx).is_singleton(cx);
3186 if include_fold_statuses {
3187 row_infos
3188 .into_iter()
3189 .enumerate()
3190 .map(|(ix, info)| {
3191 if info.expand_info.is_some() {
3192 return None;
3193 }
3194 let row = info.multibuffer_row?;
3195 let display_row = DisplayRow(rows.start.0 + ix as u32);
3196 let active = active_rows.contains_key(&display_row);
3197
3198 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3199 })
3200 .collect()
3201 } else {
3202 Vec::new()
3203 }
3204 }
3205
3206 fn layout_crease_trailers(
3207 &self,
3208 buffer_rows: impl IntoIterator<Item = RowInfo>,
3209 snapshot: &EditorSnapshot,
3210 window: &mut Window,
3211 cx: &mut App,
3212 ) -> Vec<Option<AnyElement>> {
3213 buffer_rows
3214 .into_iter()
3215 .map(|row_info| {
3216 if row_info.expand_info.is_some() {
3217 return None;
3218 }
3219 if let Some(row) = row_info.multibuffer_row {
3220 snapshot.render_crease_trailer(row, window, cx)
3221 } else {
3222 None
3223 }
3224 })
3225 .collect()
3226 }
3227
3228 fn layout_lines(
3229 rows: Range<DisplayRow>,
3230 snapshot: &EditorSnapshot,
3231 style: &EditorStyle,
3232 editor_width: Pixels,
3233 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3234 window: &mut Window,
3235 cx: &mut App,
3236 ) -> Vec<LineWithInvisibles> {
3237 if rows.start >= rows.end {
3238 return Vec::new();
3239 }
3240
3241 // Show the placeholder when the editor is empty
3242 if snapshot.is_empty() {
3243 let font_size = style.text.font_size.to_pixels(window.rem_size());
3244 let placeholder_color = cx.theme().colors().text_placeholder;
3245 let placeholder_text = snapshot.placeholder_text();
3246
3247 let placeholder_lines = placeholder_text
3248 .as_ref()
3249 .map_or("", AsRef::as_ref)
3250 .split('\n')
3251 .skip(rows.start.0 as usize)
3252 .chain(iter::repeat(""))
3253 .take(rows.len());
3254 placeholder_lines
3255 .map(move |line| {
3256 let run = TextRun {
3257 len: line.len(),
3258 font: style.text.font(),
3259 color: placeholder_color,
3260 background_color: None,
3261 underline: None,
3262 strikethrough: None,
3263 };
3264 let line =
3265 window
3266 .text_system()
3267 .shape_line(line.to_string().into(), font_size, &[run]);
3268 LineWithInvisibles {
3269 width: line.width,
3270 len: line.len,
3271 fragments: smallvec![LineFragment::Text(line)],
3272 invisibles: Vec::new(),
3273 font_size,
3274 }
3275 })
3276 .collect()
3277 } else {
3278 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3279 LineWithInvisibles::from_chunks(
3280 chunks,
3281 &style,
3282 MAX_LINE_LEN,
3283 rows.len(),
3284 &snapshot.mode,
3285 editor_width,
3286 is_row_soft_wrapped,
3287 window,
3288 cx,
3289 )
3290 }
3291 }
3292
3293 fn prepaint_lines(
3294 &self,
3295 start_row: DisplayRow,
3296 line_layouts: &mut [LineWithInvisibles],
3297 line_height: Pixels,
3298 scroll_pixel_position: gpui::Point<Pixels>,
3299 content_origin: gpui::Point<Pixels>,
3300 window: &mut Window,
3301 cx: &mut App,
3302 ) -> SmallVec<[AnyElement; 1]> {
3303 let mut line_elements = SmallVec::new();
3304 for (ix, line) in line_layouts.iter_mut().enumerate() {
3305 let row = start_row + DisplayRow(ix as u32);
3306 line.prepaint(
3307 line_height,
3308 scroll_pixel_position,
3309 row,
3310 content_origin,
3311 &mut line_elements,
3312 window,
3313 cx,
3314 );
3315 }
3316 line_elements
3317 }
3318
3319 fn render_block(
3320 &self,
3321 block: &Block,
3322 available_width: AvailableSpace,
3323 block_id: BlockId,
3324 block_row_start: DisplayRow,
3325 snapshot: &EditorSnapshot,
3326 text_x: Pixels,
3327 rows: &Range<DisplayRow>,
3328 line_layouts: &[LineWithInvisibles],
3329 editor_margins: &EditorMargins,
3330 line_height: Pixels,
3331 em_width: Pixels,
3332 text_hitbox: &Hitbox,
3333 editor_width: Pixels,
3334 scroll_width: &mut Pixels,
3335 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3336 row_block_types: &mut HashMap<DisplayRow, bool>,
3337 selections: &[Selection<Point>],
3338 selected_buffer_ids: &Vec<BufferId>,
3339 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3340 sticky_header_excerpt_id: Option<ExcerptId>,
3341 window: &mut Window,
3342 cx: &mut App,
3343 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3344 let mut x_position = None;
3345 let mut element = match block {
3346 Block::Custom(custom) => {
3347 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3348 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3349 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3350 return None;
3351 }
3352 let align_to = block_start.to_display_point(snapshot);
3353 let x_and_width = |layout: &LineWithInvisibles| {
3354 Some((
3355 text_x + layout.x_for_index(align_to.column() as usize),
3356 text_x + layout.width,
3357 ))
3358 };
3359 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3360 x_position =
3361 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3362 x_and_width(&layout)
3363 } else {
3364 x_and_width(&layout_line(
3365 align_to.row(),
3366 snapshot,
3367 &self.style,
3368 editor_width,
3369 is_row_soft_wrapped,
3370 window,
3371 cx,
3372 ))
3373 };
3374
3375 let anchor_x = x_position.unwrap().0;
3376
3377 let selected = selections
3378 .binary_search_by(|selection| {
3379 if selection.end <= block_start {
3380 Ordering::Less
3381 } else if selection.start >= block_end {
3382 Ordering::Greater
3383 } else {
3384 Ordering::Equal
3385 }
3386 })
3387 .is_ok();
3388
3389 div()
3390 .size_full()
3391 .children(
3392 (!snapshot.mode.is_minimap() || custom.render_in_minimap).then(|| {
3393 custom.render(&mut BlockContext {
3394 window,
3395 app: cx,
3396 anchor_x,
3397 margins: editor_margins,
3398 line_height,
3399 em_width,
3400 block_id,
3401 selected,
3402 max_width: text_hitbox.size.width.max(*scroll_width),
3403 editor_style: &self.style,
3404 })
3405 }),
3406 )
3407 .into_any()
3408 }
3409
3410 Block::FoldedBuffer {
3411 first_excerpt,
3412 height,
3413 ..
3414 } => {
3415 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3416 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3417
3418 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3419 result
3420 .child(self.render_buffer_header(
3421 first_excerpt,
3422 true,
3423 selected,
3424 false,
3425 jump_data,
3426 window,
3427 cx,
3428 ))
3429 .into_any_element()
3430 }
3431
3432 Block::ExcerptBoundary {
3433 excerpt,
3434 height,
3435 starts_new_buffer,
3436 ..
3437 } => {
3438 let color = cx.theme().colors().clone();
3439 let mut result = v_flex().id(block_id).w_full();
3440
3441 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3442
3443 if *starts_new_buffer {
3444 if sticky_header_excerpt_id != Some(excerpt.id) {
3445 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3446
3447 result = result.child(div().pr(editor_margins.right).child(
3448 self.render_buffer_header(
3449 excerpt, false, selected, false, jump_data, window, cx,
3450 ),
3451 ));
3452 } else {
3453 result =
3454 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3455 }
3456 } else {
3457 result = result.child(
3458 h_flex().relative().child(
3459 div()
3460 .top(line_height / 2.)
3461 .absolute()
3462 .w_full()
3463 .h_px()
3464 .bg(color.border_variant),
3465 ),
3466 );
3467 };
3468
3469 result.into_any()
3470 }
3471 };
3472
3473 // Discover the element's content height, then round up to the nearest multiple of line height.
3474 let preliminary_size = element.layout_as_root(
3475 size(available_width, AvailableSpace::MinContent),
3476 window,
3477 cx,
3478 );
3479 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3480 let final_size = if preliminary_size.height == quantized_height {
3481 preliminary_size
3482 } else {
3483 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3484 };
3485 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3486
3487 let mut row = block_row_start;
3488 let mut x_offset = px(0.);
3489 let mut is_block = true;
3490
3491 if let BlockId::Custom(custom_block_id) = block_id {
3492 if block.has_height() {
3493 if block.place_near() {
3494 if let Some((x_target, line_width)) = x_position {
3495 let margin = em_width * 2;
3496 if line_width + final_size.width + margin
3497 < editor_width + editor_margins.gutter.full_width()
3498 && !row_block_types.contains_key(&(row - 1))
3499 && element_height_in_lines == 1
3500 {
3501 x_offset = line_width + margin;
3502 row = row - 1;
3503 is_block = false;
3504 element_height_in_lines = 0;
3505 row_block_types.insert(row, is_block);
3506 } else {
3507 let max_offset = editor_width + editor_margins.gutter.full_width()
3508 - final_size.width;
3509 let min_offset = (x_target + em_width - final_size.width)
3510 .max(editor_margins.gutter.full_width());
3511 x_offset = x_target.min(max_offset).max(min_offset);
3512 }
3513 }
3514 };
3515 if element_height_in_lines != block.height() {
3516 resized_blocks.insert(custom_block_id, element_height_in_lines);
3517 }
3518 }
3519 }
3520 for i in 0..element_height_in_lines {
3521 row_block_types.insert(row + i, is_block);
3522 }
3523
3524 Some((element, final_size, row, x_offset))
3525 }
3526
3527 fn render_buffer_header(
3528 &self,
3529 for_excerpt: &ExcerptInfo,
3530 is_folded: bool,
3531 is_selected: bool,
3532 is_sticky: bool,
3533 jump_data: JumpData,
3534 window: &mut Window,
3535 cx: &mut App,
3536 ) -> Div {
3537 let editor = self.editor.read(cx);
3538 let file_status = editor
3539 .buffer
3540 .read(cx)
3541 .all_diff_hunks_expanded()
3542 .then(|| {
3543 editor
3544 .project
3545 .as_ref()?
3546 .read(cx)
3547 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3548 })
3549 .flatten();
3550
3551 let include_root = editor
3552 .project
3553 .as_ref()
3554 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3555 .unwrap_or_default();
3556 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3557 let path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3558 let filename = path
3559 .as_ref()
3560 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3561 let parent_path = path.as_ref().and_then(|path| {
3562 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3563 });
3564 let focus_handle = editor.focus_handle(cx);
3565 let colors = cx.theme().colors();
3566
3567 div()
3568 .p_1()
3569 .w_full()
3570 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3571 .child(
3572 h_flex()
3573 .size_full()
3574 .gap_2()
3575 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3576 .pl_0p5()
3577 .pr_5()
3578 .rounded_sm()
3579 .when(is_sticky, |el| el.shadow_md())
3580 .border_1()
3581 .map(|div| {
3582 let border_color = if is_selected
3583 && is_folded
3584 && focus_handle.contains_focused(window, cx)
3585 {
3586 colors.border_focused
3587 } else {
3588 colors.border
3589 };
3590 div.border_color(border_color)
3591 })
3592 .bg(colors.editor_subheader_background)
3593 .hover(|style| style.bg(colors.element_hover))
3594 .map(|header| {
3595 let editor = self.editor.clone();
3596 let buffer_id = for_excerpt.buffer_id;
3597 let toggle_chevron_icon =
3598 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3599 header.child(
3600 div()
3601 .hover(|style| style.bg(colors.element_selected))
3602 .rounded_xs()
3603 .child(
3604 ButtonLike::new("toggle-buffer-fold")
3605 .style(ui::ButtonStyle::Transparent)
3606 .height(px(28.).into())
3607 .width(px(28.).into())
3608 .children(toggle_chevron_icon)
3609 .tooltip({
3610 let focus_handle = focus_handle.clone();
3611 move |window, cx| {
3612 Tooltip::for_action_in(
3613 "Toggle Excerpt Fold",
3614 &ToggleFold,
3615 &focus_handle,
3616 window,
3617 cx,
3618 )
3619 }
3620 })
3621 .on_click(move |_, _, cx| {
3622 if is_folded {
3623 editor.update(cx, |editor, cx| {
3624 editor.unfold_buffer(buffer_id, cx);
3625 });
3626 } else {
3627 editor.update(cx, |editor, cx| {
3628 editor.fold_buffer(buffer_id, cx);
3629 });
3630 }
3631 }),
3632 ),
3633 )
3634 })
3635 .children(
3636 editor
3637 .addons
3638 .values()
3639 .filter_map(|addon| {
3640 addon.render_buffer_header_controls(for_excerpt, window, cx)
3641 })
3642 .take(1),
3643 )
3644 .child(
3645 h_flex()
3646 .cursor_pointer()
3647 .id("path header block")
3648 .size_full()
3649 .justify_between()
3650 .child(
3651 h_flex()
3652 .gap_2()
3653 .child(
3654 Label::new(
3655 filename
3656 .map(SharedString::from)
3657 .unwrap_or_else(|| "untitled".into()),
3658 )
3659 .single_line()
3660 .when_some(
3661 file_status,
3662 |el, status| {
3663 el.color(if status.is_conflicted() {
3664 Color::Conflict
3665 } else if status.is_modified() {
3666 Color::Modified
3667 } else if status.is_deleted() {
3668 Color::Disabled
3669 } else {
3670 Color::Created
3671 })
3672 .when(status.is_deleted(), |el| el.strikethrough())
3673 },
3674 ),
3675 )
3676 .when_some(parent_path, |then, path| {
3677 then.child(div().child(path).text_color(
3678 if file_status.is_some_and(FileStatus::is_deleted) {
3679 colors.text_disabled
3680 } else {
3681 colors.text_muted
3682 },
3683 ))
3684 }),
3685 )
3686 .when(can_open_excerpts && is_selected && path.is_some(), |el| {
3687 el.child(
3688 h_flex()
3689 .id("jump-to-file-button")
3690 .gap_2p5()
3691 .child(Label::new("Jump To File"))
3692 .children(
3693 KeyBinding::for_action_in(
3694 &OpenExcerpts,
3695 &focus_handle,
3696 window,
3697 cx,
3698 )
3699 .map(|binding| binding.into_any_element()),
3700 ),
3701 )
3702 })
3703 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3704 .on_click(window.listener_for(&self.editor, {
3705 move |editor, e: &ClickEvent, window, cx| {
3706 editor.open_excerpts_common(
3707 Some(jump_data.clone()),
3708 e.down.modifiers.secondary(),
3709 window,
3710 cx,
3711 );
3712 }
3713 })),
3714 ),
3715 )
3716 }
3717
3718 fn render_blocks(
3719 &self,
3720 rows: Range<DisplayRow>,
3721 snapshot: &EditorSnapshot,
3722 hitbox: &Hitbox,
3723 text_hitbox: &Hitbox,
3724 editor_width: Pixels,
3725 scroll_width: &mut Pixels,
3726 editor_margins: &EditorMargins,
3727 em_width: Pixels,
3728 text_x: Pixels,
3729 line_height: Pixels,
3730 line_layouts: &mut [LineWithInvisibles],
3731 selections: &[Selection<Point>],
3732 selected_buffer_ids: &Vec<BufferId>,
3733 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3734 sticky_header_excerpt_id: Option<ExcerptId>,
3735 window: &mut Window,
3736 cx: &mut App,
3737 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
3738 let (fixed_blocks, non_fixed_blocks) = snapshot
3739 .blocks_in_range(rows.clone())
3740 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
3741
3742 let mut focused_block = self
3743 .editor
3744 .update(cx, |editor, _| editor.take_focused_block());
3745 let mut fixed_block_max_width = Pixels::ZERO;
3746 let mut blocks = Vec::new();
3747 let mut resized_blocks = HashMap::default();
3748 let mut row_block_types = HashMap::default();
3749
3750 for (row, block) in fixed_blocks {
3751 let block_id = block.id();
3752
3753 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3754 focused_block = None;
3755 }
3756
3757 if let Some((element, element_size, row, x_offset)) = self.render_block(
3758 block,
3759 AvailableSpace::MinContent,
3760 block_id,
3761 row,
3762 snapshot,
3763 text_x,
3764 &rows,
3765 line_layouts,
3766 editor_margins,
3767 line_height,
3768 em_width,
3769 text_hitbox,
3770 editor_width,
3771 scroll_width,
3772 &mut resized_blocks,
3773 &mut row_block_types,
3774 selections,
3775 selected_buffer_ids,
3776 is_row_soft_wrapped,
3777 sticky_header_excerpt_id,
3778 window,
3779 cx,
3780 ) {
3781 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
3782 blocks.push(BlockLayout {
3783 id: block_id,
3784 x_offset,
3785 row: Some(row),
3786 element,
3787 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
3788 style: BlockStyle::Fixed,
3789 overlaps_gutter: true,
3790 is_buffer_header: block.is_buffer_header(),
3791 });
3792 }
3793 }
3794
3795 for (row, block) in non_fixed_blocks {
3796 let style = block.style();
3797 let width = match (style, block.place_near()) {
3798 (_, true) => AvailableSpace::MinContent,
3799 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
3800 (BlockStyle::Flex, _) => hitbox
3801 .size
3802 .width
3803 .max(fixed_block_max_width)
3804 .max(editor_margins.gutter.width + *scroll_width)
3805 .into(),
3806 (BlockStyle::Fixed, _) => unreachable!(),
3807 };
3808 let block_id = block.id();
3809
3810 if focused_block.as_ref().map_or(false, |b| b.id == block_id) {
3811 focused_block = None;
3812 }
3813
3814 if let Some((element, element_size, row, x_offset)) = self.render_block(
3815 block,
3816 width,
3817 block_id,
3818 row,
3819 snapshot,
3820 text_x,
3821 &rows,
3822 line_layouts,
3823 editor_margins,
3824 line_height,
3825 em_width,
3826 text_hitbox,
3827 editor_width,
3828 scroll_width,
3829 &mut resized_blocks,
3830 &mut row_block_types,
3831 selections,
3832 selected_buffer_ids,
3833 is_row_soft_wrapped,
3834 sticky_header_excerpt_id,
3835 window,
3836 cx,
3837 ) {
3838 blocks.push(BlockLayout {
3839 id: block_id,
3840 x_offset,
3841 row: Some(row),
3842 element,
3843 available_space: size(width, element_size.height.into()),
3844 style,
3845 overlaps_gutter: !block.place_near(),
3846 is_buffer_header: block.is_buffer_header(),
3847 });
3848 }
3849 }
3850
3851 if let Some(focused_block) = focused_block {
3852 if let Some(focus_handle) = focused_block.focus_handle.upgrade() {
3853 if focus_handle.is_focused(window) {
3854 if let Some(block) = snapshot.block_for_id(focused_block.id) {
3855 let style = block.style();
3856 let width = match style {
3857 BlockStyle::Fixed => AvailableSpace::MinContent,
3858 BlockStyle::Flex => AvailableSpace::Definite(
3859 hitbox
3860 .size
3861 .width
3862 .max(fixed_block_max_width)
3863 .max(editor_margins.gutter.width + *scroll_width),
3864 ),
3865 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
3866 };
3867
3868 if let Some((element, element_size, _, x_offset)) = self.render_block(
3869 &block,
3870 width,
3871 focused_block.id,
3872 rows.end,
3873 snapshot,
3874 text_x,
3875 &rows,
3876 line_layouts,
3877 editor_margins,
3878 line_height,
3879 em_width,
3880 text_hitbox,
3881 editor_width,
3882 scroll_width,
3883 &mut resized_blocks,
3884 &mut row_block_types,
3885 selections,
3886 selected_buffer_ids,
3887 is_row_soft_wrapped,
3888 sticky_header_excerpt_id,
3889 window,
3890 cx,
3891 ) {
3892 blocks.push(BlockLayout {
3893 id: block.id(),
3894 x_offset,
3895 row: None,
3896 element,
3897 available_space: size(width, element_size.height.into()),
3898 style,
3899 overlaps_gutter: true,
3900 is_buffer_header: block.is_buffer_header(),
3901 });
3902 }
3903 }
3904 }
3905 }
3906 }
3907
3908 if resized_blocks.is_empty() {
3909 *scroll_width =
3910 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
3911 Ok((blocks, row_block_types))
3912 } else {
3913 Err(resized_blocks)
3914 }
3915 }
3916
3917 fn layout_blocks(
3918 &self,
3919 blocks: &mut Vec<BlockLayout>,
3920 hitbox: &Hitbox,
3921 line_height: Pixels,
3922 scroll_pixel_position: gpui::Point<Pixels>,
3923 window: &mut Window,
3924 cx: &mut App,
3925 ) {
3926 for block in blocks {
3927 let mut origin = if let Some(row) = block.row {
3928 hitbox.origin
3929 + point(
3930 block.x_offset,
3931 row.as_f32() * line_height - scroll_pixel_position.y,
3932 )
3933 } else {
3934 // Position the block outside the visible area
3935 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
3936 };
3937
3938 if !matches!(block.style, BlockStyle::Sticky) {
3939 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
3940 }
3941
3942 let focus_handle =
3943 block
3944 .element
3945 .prepaint_as_root(origin, block.available_space, window, cx);
3946
3947 if let Some(focus_handle) = focus_handle {
3948 self.editor.update(cx, |editor, _cx| {
3949 editor.set_focused_block(FocusedBlock {
3950 id: block.id,
3951 focus_handle: focus_handle.downgrade(),
3952 });
3953 });
3954 }
3955 }
3956 }
3957
3958 fn layout_sticky_buffer_header(
3959 &self,
3960 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
3961 scroll_position: f32,
3962 line_height: Pixels,
3963 right_margin: Pixels,
3964 snapshot: &EditorSnapshot,
3965 hitbox: &Hitbox,
3966 selected_buffer_ids: &Vec<BufferId>,
3967 blocks: &[BlockLayout],
3968 window: &mut Window,
3969 cx: &mut App,
3970 ) -> AnyElement {
3971 let jump_data = header_jump_data(
3972 snapshot,
3973 DisplayRow(scroll_position as u32),
3974 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
3975 excerpt,
3976 );
3977
3978 let editor_bg_color = cx.theme().colors().editor_background;
3979
3980 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3981
3982 let available_width = hitbox.bounds.size.width - right_margin;
3983
3984 let mut header = v_flex()
3985 .relative()
3986 .child(
3987 div()
3988 .w(available_width)
3989 .h(FILE_HEADER_HEIGHT as f32 * line_height)
3990 .bg(linear_gradient(
3991 0.,
3992 linear_color_stop(editor_bg_color.opacity(0.), 0.),
3993 linear_color_stop(editor_bg_color, 0.6),
3994 ))
3995 .absolute()
3996 .top_0(),
3997 )
3998 .child(
3999 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4000 .into_any_element(),
4001 )
4002 .into_any_element();
4003
4004 let mut origin = hitbox.origin;
4005 // Move floating header up to avoid colliding with the next buffer header.
4006 for block in blocks.iter() {
4007 if !block.is_buffer_header {
4008 continue;
4009 }
4010
4011 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4012 continue;
4013 };
4014
4015 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4016 let offset = scroll_position - max_row as f32;
4017
4018 if offset > 0.0 {
4019 origin.y -= offset * line_height;
4020 }
4021 break;
4022 }
4023
4024 let size = size(
4025 AvailableSpace::Definite(available_width),
4026 AvailableSpace::MinContent,
4027 );
4028
4029 header.prepaint_as_root(origin, size, window, cx);
4030
4031 header
4032 }
4033
4034 fn layout_cursor_popovers(
4035 &self,
4036 line_height: Pixels,
4037 text_hitbox: &Hitbox,
4038 content_origin: gpui::Point<Pixels>,
4039 right_margin: Pixels,
4040 start_row: DisplayRow,
4041 scroll_pixel_position: gpui::Point<Pixels>,
4042 line_layouts: &[LineWithInvisibles],
4043 cursor: DisplayPoint,
4044 cursor_point: Point,
4045 style: &EditorStyle,
4046 window: &mut Window,
4047 cx: &mut App,
4048 ) -> Option<ContextMenuLayout> {
4049 let mut min_menu_height = Pixels::ZERO;
4050 let mut max_menu_height = Pixels::ZERO;
4051 let mut height_above_menu = Pixels::ZERO;
4052 let height_below_menu = Pixels::ZERO;
4053 let mut edit_prediction_popover_visible = false;
4054 let mut context_menu_visible = false;
4055 let context_menu_placement;
4056
4057 {
4058 let editor = self.editor.read(cx);
4059 if editor
4060 .edit_prediction_visible_in_cursor_popover(editor.has_active_inline_completion())
4061 {
4062 height_above_menu +=
4063 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4064 edit_prediction_popover_visible = true;
4065 }
4066
4067 if editor.context_menu_visible() {
4068 if let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin() {
4069 let (min_height_in_lines, max_height_in_lines) = editor
4070 .context_menu_options
4071 .as_ref()
4072 .map_or((3, 12), |options| {
4073 (options.min_entries_visible, options.max_entries_visible)
4074 });
4075
4076 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4077 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4078 context_menu_visible = true;
4079 }
4080 }
4081 context_menu_placement = editor
4082 .context_menu_options
4083 .as_ref()
4084 .and_then(|options| options.placement.clone());
4085 }
4086
4087 let visible = edit_prediction_popover_visible || context_menu_visible;
4088 if !visible {
4089 return None;
4090 }
4091
4092 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4093 let target_position = content_origin
4094 + gpui::Point {
4095 x: cmp::max(
4096 px(0.),
4097 cursor_row_layout.x_for_index(cursor.column() as usize)
4098 - scroll_pixel_position.x,
4099 ),
4100 y: cmp::max(
4101 px(0.),
4102 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4103 ),
4104 };
4105
4106 let viewport_bounds =
4107 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4108 right: -right_margin - MENU_GAP,
4109 ..Default::default()
4110 });
4111
4112 let min_height = height_above_menu + min_menu_height + height_below_menu;
4113 let max_height = height_above_menu + max_menu_height + height_below_menu;
4114 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4115 target_position,
4116 line_height,
4117 min_height,
4118 max_height,
4119 context_menu_placement,
4120 text_hitbox,
4121 viewport_bounds,
4122 window,
4123 cx,
4124 |height, max_width_for_stable_x, y_flipped, window, cx| {
4125 // First layout the menu to get its size - others can be at least this wide.
4126 let context_menu = if context_menu_visible {
4127 let menu_height = if y_flipped {
4128 height - height_below_menu
4129 } else {
4130 height - height_above_menu
4131 };
4132 let mut element = self
4133 .render_context_menu(line_height, menu_height, window, cx)
4134 .expect("Visible context menu should always render.");
4135 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4136 Some((CursorPopoverType::CodeContextMenu, element, size))
4137 } else {
4138 None
4139 };
4140 let min_width = context_menu
4141 .as_ref()
4142 .map_or(px(0.), |(_, _, size)| size.width);
4143 let max_width = max_width_for_stable_x.max(
4144 context_menu
4145 .as_ref()
4146 .map_or(px(0.), |(_, _, size)| size.width),
4147 );
4148
4149 let edit_prediction = if edit_prediction_popover_visible {
4150 self.editor.update(cx, move |editor, cx| {
4151 let accept_binding =
4152 editor.accept_edit_prediction_keybind(false, window, cx);
4153 let mut element = editor.render_edit_prediction_cursor_popover(
4154 min_width,
4155 max_width,
4156 cursor_point,
4157 style,
4158 accept_binding.keystroke(),
4159 window,
4160 cx,
4161 )?;
4162 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4163 Some((CursorPopoverType::EditPrediction, element, size))
4164 })
4165 } else {
4166 None
4167 };
4168 vec![edit_prediction, context_menu]
4169 .into_iter()
4170 .flatten()
4171 .collect::<Vec<_>>()
4172 },
4173 )?;
4174
4175 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4176 .iter()
4177 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4178 let last_ix = laid_out_popovers.len() - 1;
4179 let menu_is_last = menu_ix == last_ix;
4180 let first_popover_bounds = laid_out_popovers[0].1;
4181 let last_popover_bounds = laid_out_popovers[last_ix].1;
4182
4183 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4184 // right, and otherwise it goes below or to the right.
4185 let mut target_bounds = Bounds::from_corners(
4186 first_popover_bounds.origin,
4187 last_popover_bounds.bottom_right(),
4188 );
4189 target_bounds.size.width = menu_bounds.size.width;
4190
4191 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4192 // based on this is preferred for layout stability.
4193 let mut max_target_bounds = target_bounds;
4194 max_target_bounds.size.height = max_height;
4195 if y_flipped {
4196 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4197 }
4198
4199 // Add spacing around `target_bounds` and `max_target_bounds`.
4200 let mut extend_amount = Edges::all(MENU_GAP);
4201 if y_flipped {
4202 extend_amount.bottom = line_height;
4203 } else {
4204 extend_amount.top = line_height;
4205 }
4206 let target_bounds = target_bounds.extend(extend_amount);
4207 let max_target_bounds = max_target_bounds.extend(extend_amount);
4208
4209 let must_place_above_or_below =
4210 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4211 laid_out_popovers[menu_ix + 1..]
4212 .iter()
4213 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4214 } else {
4215 false
4216 };
4217
4218 let aside_bounds = self.layout_context_menu_aside(
4219 y_flipped,
4220 *menu_bounds,
4221 target_bounds,
4222 max_target_bounds,
4223 max_menu_height,
4224 must_place_above_or_below,
4225 text_hitbox,
4226 viewport_bounds,
4227 window,
4228 cx,
4229 );
4230
4231 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4232 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4233 Some(*bounds)
4234 } else {
4235 None
4236 }
4237 }) {
4238 let bounds = if let Some(aside_bounds) = aside_bounds {
4239 menu_bounds.union(&aside_bounds)
4240 } else {
4241 menu_bounds
4242 };
4243 return Some(ContextMenuLayout { y_flipped, bounds });
4244 }
4245
4246 None
4247 }
4248
4249 fn layout_gutter_menu(
4250 &self,
4251 line_height: Pixels,
4252 text_hitbox: &Hitbox,
4253 content_origin: gpui::Point<Pixels>,
4254 right_margin: Pixels,
4255 scroll_pixel_position: gpui::Point<Pixels>,
4256 gutter_overshoot: Pixels,
4257 window: &mut Window,
4258 cx: &mut App,
4259 ) {
4260 let editor = self.editor.read(cx);
4261 if !editor.context_menu_visible() {
4262 return;
4263 }
4264 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4265 editor.context_menu_origin()
4266 else {
4267 return;
4268 };
4269 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4270 // indicator than just a plain first column of the text field.
4271 let target_position = content_origin
4272 + gpui::Point {
4273 x: -gutter_overshoot,
4274 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4275 };
4276
4277 let (min_height_in_lines, max_height_in_lines) = editor
4278 .context_menu_options
4279 .as_ref()
4280 .map_or((3, 12), |options| {
4281 (options.min_entries_visible, options.max_entries_visible)
4282 });
4283
4284 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4285 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4286 let viewport_bounds =
4287 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4288 right: -right_margin - MENU_GAP,
4289 ..Default::default()
4290 });
4291 self.layout_popovers_above_or_below_line(
4292 target_position,
4293 line_height,
4294 min_height,
4295 max_height,
4296 editor
4297 .context_menu_options
4298 .as_ref()
4299 .and_then(|options| options.placement.clone()),
4300 text_hitbox,
4301 viewport_bounds,
4302 window,
4303 cx,
4304 move |height, _max_width_for_stable_x, _, window, cx| {
4305 let mut element = self
4306 .render_context_menu(line_height, height, window, cx)
4307 .expect("Visible context menu should always render.");
4308 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4309 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4310 },
4311 );
4312 }
4313
4314 fn layout_popovers_above_or_below_line(
4315 &self,
4316 target_position: gpui::Point<Pixels>,
4317 line_height: Pixels,
4318 min_height: Pixels,
4319 max_height: Pixels,
4320 placement: Option<ContextMenuPlacement>,
4321 text_hitbox: &Hitbox,
4322 viewport_bounds: Bounds<Pixels>,
4323 window: &mut Window,
4324 cx: &mut App,
4325 make_sized_popovers: impl FnOnce(
4326 Pixels,
4327 Pixels,
4328 bool,
4329 &mut Window,
4330 &mut App,
4331 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4332 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4333 let text_style = TextStyleRefinement {
4334 line_height: Some(DefiniteLength::Fraction(
4335 BufferLineHeight::Comfortable.value(),
4336 )),
4337 ..Default::default()
4338 };
4339 window.with_text_style(Some(text_style), |window| {
4340 // If the max height won't fit below and there is more space above, put it above the line.
4341 let bottom_y_when_flipped = target_position.y - line_height;
4342 let available_above = bottom_y_when_flipped - text_hitbox.top();
4343 let available_below = text_hitbox.bottom() - target_position.y;
4344 let y_overflows_below = max_height > available_below;
4345 let mut y_flipped = match placement {
4346 Some(ContextMenuPlacement::Above) => true,
4347 Some(ContextMenuPlacement::Below) => false,
4348 None => y_overflows_below && available_above > available_below,
4349 };
4350 let mut height = cmp::min(
4351 max_height,
4352 if y_flipped {
4353 available_above
4354 } else {
4355 available_below
4356 },
4357 );
4358
4359 // If the min height doesn't fit within text bounds, instead fit within the window.
4360 if height < min_height {
4361 let available_above = bottom_y_when_flipped;
4362 let available_below = viewport_bounds.bottom() - target_position.y;
4363 let (y_flipped_override, height_override) = match placement {
4364 Some(ContextMenuPlacement::Above) => {
4365 (true, cmp::min(available_above, min_height))
4366 }
4367 Some(ContextMenuPlacement::Below) => {
4368 (false, cmp::min(available_below, min_height))
4369 }
4370 None => {
4371 if available_below > min_height {
4372 (false, min_height)
4373 } else if available_above > min_height {
4374 (true, min_height)
4375 } else if available_above > available_below {
4376 (true, available_above)
4377 } else {
4378 (false, available_below)
4379 }
4380 }
4381 };
4382 y_flipped = y_flipped_override;
4383 height = height_override;
4384 }
4385
4386 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4387
4388 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4389 // for very narrow windows.
4390 let popovers =
4391 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4392 if popovers.is_empty() {
4393 return None;
4394 }
4395
4396 let max_width = popovers
4397 .iter()
4398 .map(|(_, _, size)| size.width)
4399 .max()
4400 .unwrap_or_default();
4401
4402 let mut current_position = gpui::Point {
4403 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4404 // overflow. Include space for the scrollbar.
4405 x: target_position
4406 .x
4407 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4408 y: if y_flipped {
4409 bottom_y_when_flipped
4410 } else {
4411 target_position.y
4412 },
4413 };
4414
4415 let mut laid_out_popovers = popovers
4416 .into_iter()
4417 .map(|(popover_type, element, size)| {
4418 if y_flipped {
4419 current_position.y -= size.height;
4420 }
4421 let position = current_position;
4422 window.defer_draw(element, current_position, 1);
4423 if !y_flipped {
4424 current_position.y += size.height + MENU_GAP;
4425 } else {
4426 current_position.y -= MENU_GAP;
4427 }
4428 (popover_type, Bounds::new(position, size))
4429 })
4430 .collect::<Vec<_>>();
4431
4432 if y_flipped {
4433 laid_out_popovers.reverse();
4434 }
4435
4436 Some((laid_out_popovers, y_flipped))
4437 })
4438 }
4439
4440 fn layout_context_menu_aside(
4441 &self,
4442 y_flipped: bool,
4443 menu_bounds: Bounds<Pixels>,
4444 target_bounds: Bounds<Pixels>,
4445 max_target_bounds: Bounds<Pixels>,
4446 max_height: Pixels,
4447 must_place_above_or_below: bool,
4448 text_hitbox: &Hitbox,
4449 viewport_bounds: Bounds<Pixels>,
4450 window: &mut Window,
4451 cx: &mut App,
4452 ) -> Option<Bounds<Pixels>> {
4453 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4454 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4455 && !must_place_above_or_below
4456 {
4457 let max_width = cmp::min(
4458 available_within_viewport.right - px(1.),
4459 MENU_ASIDE_MAX_WIDTH,
4460 );
4461 let mut aside = self.render_context_menu_aside(
4462 size(max_width, max_height - POPOVER_Y_PADDING),
4463 window,
4464 cx,
4465 )?;
4466 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4467 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4468 Some((aside, right_position, size))
4469 } else {
4470 let max_size = size(
4471 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4472 // won't be needed here.
4473 cmp::min(
4474 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4475 viewport_bounds.right(),
4476 ),
4477 cmp::min(
4478 max_height,
4479 cmp::max(
4480 available_within_viewport.top,
4481 available_within_viewport.bottom,
4482 ),
4483 ) - POPOVER_Y_PADDING,
4484 );
4485 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4486 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4487
4488 let top_position = point(
4489 menu_bounds.origin.x,
4490 target_bounds.top() - actual_size.height,
4491 );
4492 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4493
4494 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4495 // Prefer to fit on the same side of the line as the menu, then on the other side of
4496 // the line.
4497 if !y_flipped && wanted.height < available.bottom {
4498 Some(bottom_position)
4499 } else if !y_flipped && wanted.height < available.top {
4500 Some(top_position)
4501 } else if y_flipped && wanted.height < available.top {
4502 Some(top_position)
4503 } else if y_flipped && wanted.height < available.bottom {
4504 Some(bottom_position)
4505 } else {
4506 None
4507 }
4508 };
4509
4510 // Prefer choosing a direction using max sizes rather than actual size for stability.
4511 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4512 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4513 let aside_position = fit_within(available_within_text, wanted)
4514 // Fallback: fit max size in window.
4515 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4516 // Fallback: fit actual size in window.
4517 .or_else(|| fit_within(available_within_viewport, actual_size));
4518
4519 aside_position.map(|position| (aside, position, actual_size))
4520 };
4521
4522 // Skip drawing if it doesn't fit anywhere.
4523 if let Some((aside, position, size)) = positioned_aside {
4524 let aside_bounds = Bounds::new(position, size);
4525 window.defer_draw(aside, position, 2);
4526 return Some(aside_bounds);
4527 }
4528
4529 None
4530 }
4531
4532 fn render_context_menu(
4533 &self,
4534 line_height: Pixels,
4535 height: Pixels,
4536 window: &mut Window,
4537 cx: &mut App,
4538 ) -> Option<AnyElement> {
4539 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4540 self.editor.update(cx, |editor, cx| {
4541 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4542 })
4543 }
4544
4545 fn render_context_menu_aside(
4546 &self,
4547 max_size: Size<Pixels>,
4548 window: &mut Window,
4549 cx: &mut App,
4550 ) -> Option<AnyElement> {
4551 if max_size.width < px(100.) || max_size.height < px(12.) {
4552 None
4553 } else {
4554 self.editor.update(cx, |editor, cx| {
4555 editor.render_context_menu_aside(max_size, window, cx)
4556 })
4557 }
4558 }
4559
4560 fn layout_mouse_context_menu(
4561 &self,
4562 editor_snapshot: &EditorSnapshot,
4563 visible_range: Range<DisplayRow>,
4564 content_origin: gpui::Point<Pixels>,
4565 window: &mut Window,
4566 cx: &mut App,
4567 ) -> Option<AnyElement> {
4568 let position = self.editor.update(cx, |editor, _cx| {
4569 let visible_start_point = editor.display_to_pixel_point(
4570 DisplayPoint::new(visible_range.start, 0),
4571 editor_snapshot,
4572 window,
4573 )?;
4574 let visible_end_point = editor.display_to_pixel_point(
4575 DisplayPoint::new(visible_range.end, 0),
4576 editor_snapshot,
4577 window,
4578 )?;
4579
4580 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4581 let (source_display_point, position) = match mouse_context_menu.position {
4582 MenuPosition::PinnedToScreen(point) => (None, point),
4583 MenuPosition::PinnedToEditor { source, offset } => {
4584 let source_display_point = source.to_display_point(editor_snapshot);
4585 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4586 let position = content_origin + source_point + offset;
4587 (Some(source_display_point), position)
4588 }
4589 };
4590
4591 let source_included = source_display_point.map_or(true, |source_display_point| {
4592 visible_range
4593 .to_inclusive()
4594 .contains(&source_display_point.row())
4595 });
4596 let position_included =
4597 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4598 if !source_included && !position_included {
4599 None
4600 } else {
4601 Some(position)
4602 }
4603 })?;
4604
4605 let text_style = TextStyleRefinement {
4606 line_height: Some(DefiniteLength::Fraction(
4607 BufferLineHeight::Comfortable.value(),
4608 )),
4609 ..Default::default()
4610 };
4611 window.with_text_style(Some(text_style), |window| {
4612 let mut element = self.editor.read_with(cx, |editor, _| {
4613 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4614 let context_menu = mouse_context_menu.context_menu.clone();
4615
4616 Some(
4617 deferred(
4618 anchored()
4619 .position(position)
4620 .child(context_menu)
4621 .anchor(Corner::TopLeft)
4622 .snap_to_window_with_margin(px(8.)),
4623 )
4624 .with_priority(1)
4625 .into_any(),
4626 )
4627 })?;
4628
4629 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4630 Some(element)
4631 })
4632 }
4633
4634 fn layout_hover_popovers(
4635 &self,
4636 snapshot: &EditorSnapshot,
4637 hitbox: &Hitbox,
4638 visible_display_row_range: Range<DisplayRow>,
4639 content_origin: gpui::Point<Pixels>,
4640 scroll_pixel_position: gpui::Point<Pixels>,
4641 line_layouts: &[LineWithInvisibles],
4642 line_height: Pixels,
4643 em_width: Pixels,
4644 context_menu_layout: Option<ContextMenuLayout>,
4645 window: &mut Window,
4646 cx: &mut App,
4647 ) {
4648 struct MeasuredHoverPopover {
4649 element: AnyElement,
4650 size: Size<Pixels>,
4651 horizontal_offset: Pixels,
4652 }
4653
4654 let max_size = size(
4655 (120. * em_width) // Default size
4656 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4657 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4658 (16. * line_height) // Default size
4659 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4660 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4661 );
4662
4663 let hover_popovers = self.editor.update(cx, |editor, cx| {
4664 editor.hover_state.render(
4665 snapshot,
4666 visible_display_row_range.clone(),
4667 max_size,
4668 window,
4669 cx,
4670 )
4671 });
4672 let Some((position, hover_popovers)) = hover_popovers else {
4673 return;
4674 };
4675
4676 // This is safe because we check on layout whether the required row is available
4677 let hovered_row_layout =
4678 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
4679
4680 // Compute Hovered Point
4681 let x =
4682 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
4683 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
4684 let hovered_point = content_origin + point(x, y);
4685
4686 let mut overall_height = Pixels::ZERO;
4687 let mut measured_hover_popovers = Vec::new();
4688 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
4689 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
4690 let horizontal_offset =
4691 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
4692 .min(Pixels::ZERO);
4693 match position {
4694 itertools::Position::Middle | itertools::Position::Last => {
4695 overall_height += HOVER_POPOVER_GAP
4696 }
4697 _ => {}
4698 }
4699 overall_height += size.height;
4700 measured_hover_popovers.push(MeasuredHoverPopover {
4701 element: hover_popover,
4702 size,
4703 horizontal_offset,
4704 });
4705 }
4706
4707 fn draw_occluder(
4708 width: Pixels,
4709 origin: gpui::Point<Pixels>,
4710 window: &mut Window,
4711 cx: &mut App,
4712 ) {
4713 let mut occlusion = div()
4714 .size_full()
4715 .occlude()
4716 .on_mouse_move(|_, _, cx| cx.stop_propagation())
4717 .into_any_element();
4718 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
4719 window.defer_draw(occlusion, origin, 2);
4720 }
4721
4722 fn place_popovers_above(
4723 hovered_point: gpui::Point<Pixels>,
4724 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4725 window: &mut Window,
4726 cx: &mut App,
4727 ) {
4728 let mut current_y = hovered_point.y;
4729 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4730 let size = popover.size;
4731 let popover_origin = point(
4732 hovered_point.x + popover.horizontal_offset,
4733 current_y - size.height,
4734 );
4735
4736 window.defer_draw(popover.element, popover_origin, 2);
4737 if position != itertools::Position::Last {
4738 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
4739 draw_occluder(size.width, origin, window, cx);
4740 }
4741
4742 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4743 }
4744 }
4745
4746 fn place_popovers_below(
4747 hovered_point: gpui::Point<Pixels>,
4748 measured_hover_popovers: Vec<MeasuredHoverPopover>,
4749 line_height: Pixels,
4750 window: &mut Window,
4751 cx: &mut App,
4752 ) {
4753 let mut current_y = hovered_point.y + line_height;
4754 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4755 let size = popover.size;
4756 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4757
4758 window.defer_draw(popover.element, popover_origin, 2);
4759 if position != itertools::Position::Last {
4760 let origin = point(popover_origin.x, popover_origin.y + size.height);
4761 draw_occluder(size.width, origin, window, cx);
4762 }
4763
4764 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4765 }
4766 }
4767
4768 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
4769 context_menu_layout
4770 .as_ref()
4771 .map_or(false, |menu| bounds.intersects(&menu.bounds))
4772 };
4773
4774 let can_place_above = {
4775 let mut bounds_above = Vec::new();
4776 let mut current_y = hovered_point.y;
4777 for popover in &measured_hover_popovers {
4778 let size = popover.size;
4779 let popover_origin = point(
4780 hovered_point.x + popover.horizontal_offset,
4781 current_y - size.height,
4782 );
4783 bounds_above.push(Bounds::new(popover_origin, size));
4784 current_y = popover_origin.y - HOVER_POPOVER_GAP;
4785 }
4786 bounds_above
4787 .iter()
4788 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4789 };
4790
4791 let can_place_below = || {
4792 let mut bounds_below = Vec::new();
4793 let mut current_y = hovered_point.y + line_height;
4794 for popover in &measured_hover_popovers {
4795 let size = popover.size;
4796 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
4797 bounds_below.push(Bounds::new(popover_origin, size));
4798 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4799 }
4800 bounds_below
4801 .iter()
4802 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
4803 };
4804
4805 if can_place_above {
4806 // try placing above hovered point
4807 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4808 } else if can_place_below() {
4809 // try placing below hovered point
4810 place_popovers_below(
4811 hovered_point,
4812 measured_hover_popovers,
4813 line_height,
4814 window,
4815 cx,
4816 );
4817 } else {
4818 // try to place popovers around the context menu
4819 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
4820 let total_width = measured_hover_popovers
4821 .iter()
4822 .map(|p| p.size.width)
4823 .max()
4824 .unwrap_or(Pixels::ZERO);
4825 let y_for_horizontal_positioning = if menu.y_flipped {
4826 menu.bounds.bottom() - overall_height
4827 } else {
4828 menu.bounds.top()
4829 };
4830 let possible_origins = vec![
4831 // left of context menu
4832 point(
4833 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
4834 y_for_horizontal_positioning,
4835 ),
4836 // right of context menu
4837 point(
4838 menu.bounds.right() + HOVER_POPOVER_GAP,
4839 y_for_horizontal_positioning,
4840 ),
4841 // top of context menu
4842 point(
4843 menu.bounds.left(),
4844 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
4845 ),
4846 // bottom of context menu
4847 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
4848 ];
4849 possible_origins.into_iter().find(|&origin| {
4850 Bounds::new(origin, size(total_width, overall_height))
4851 .is_contained_within(hitbox)
4852 })
4853 });
4854 if let Some(origin) = origin_surrounding_menu {
4855 let mut current_y = origin.y;
4856 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
4857 let size = popover.size;
4858 let popover_origin = point(origin.x, current_y);
4859
4860 window.defer_draw(popover.element, popover_origin, 2);
4861 if position != itertools::Position::Last {
4862 let origin = point(popover_origin.x, popover_origin.y + size.height);
4863 draw_occluder(size.width, origin, window, cx);
4864 }
4865
4866 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
4867 }
4868 } else {
4869 // fallback to existing above/below cursor logic
4870 // this might overlap menu or overflow in rare case
4871 if can_place_above {
4872 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
4873 } else {
4874 place_popovers_below(
4875 hovered_point,
4876 measured_hover_popovers,
4877 line_height,
4878 window,
4879 cx,
4880 );
4881 }
4882 }
4883 }
4884 }
4885
4886 fn layout_diff_hunk_controls(
4887 &self,
4888 row_range: Range<DisplayRow>,
4889 row_infos: &[RowInfo],
4890 text_hitbox: &Hitbox,
4891 newest_cursor_position: Option<DisplayPoint>,
4892 line_height: Pixels,
4893 right_margin: Pixels,
4894 scroll_pixel_position: gpui::Point<Pixels>,
4895 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
4896 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
4897 editor: Entity<Editor>,
4898 window: &mut Window,
4899 cx: &mut App,
4900 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
4901 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
4902 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
4903
4904 let mut controls = vec![];
4905 let mut control_bounds = vec![];
4906
4907 let active_positions = [
4908 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
4909 newest_cursor_position,
4910 ];
4911
4912 for (hunk, _) in display_hunks {
4913 if let DisplayDiffHunk::Unfolded {
4914 display_row_range,
4915 multi_buffer_range,
4916 status,
4917 is_created_file,
4918 ..
4919 } = &hunk
4920 {
4921 if display_row_range.start < row_range.start
4922 || display_row_range.start >= row_range.end
4923 {
4924 continue;
4925 }
4926 if highlighted_rows
4927 .get(&display_row_range.start)
4928 .and_then(|highlight| highlight.type_id)
4929 .is_some_and(|type_id| {
4930 [
4931 TypeId::of::<ConflictsOuter>(),
4932 TypeId::of::<ConflictsOursMarker>(),
4933 TypeId::of::<ConflictsOurs>(),
4934 TypeId::of::<ConflictsTheirs>(),
4935 TypeId::of::<ConflictsTheirsMarker>(),
4936 ]
4937 .contains(&type_id)
4938 })
4939 {
4940 continue;
4941 }
4942 let row_ix = (display_row_range.start - row_range.start).0 as usize;
4943 if row_infos[row_ix].diff_status.is_none() {
4944 continue;
4945 }
4946 if row_infos[row_ix]
4947 .diff_status
4948 .is_some_and(|status| status.is_added())
4949 && !status.is_added()
4950 {
4951 continue;
4952 }
4953
4954 if active_positions
4955 .iter()
4956 .any(|p| p.map_or(false, |p| display_row_range.contains(&p.row())))
4957 {
4958 let y = display_row_range.start.as_f32() * line_height
4959 + text_hitbox.bounds.top()
4960 - scroll_pixel_position.y;
4961
4962 let mut element = render_diff_hunk_controls(
4963 display_row_range.start.0,
4964 status,
4965 multi_buffer_range.clone(),
4966 *is_created_file,
4967 line_height,
4968 &editor,
4969 window,
4970 cx,
4971 );
4972 let size =
4973 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
4974
4975 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
4976
4977 let bounds = Bounds::new(gpui::Point::new(x, y), size);
4978 control_bounds.push((display_row_range.start, bounds));
4979
4980 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
4981 element.prepaint(window, cx)
4982 });
4983 controls.push(element);
4984 }
4985 }
4986 }
4987
4988 (controls, control_bounds)
4989 }
4990
4991 fn layout_signature_help(
4992 &self,
4993 hitbox: &Hitbox,
4994 content_origin: gpui::Point<Pixels>,
4995 scroll_pixel_position: gpui::Point<Pixels>,
4996 newest_selection_head: Option<DisplayPoint>,
4997 start_row: DisplayRow,
4998 line_layouts: &[LineWithInvisibles],
4999 line_height: Pixels,
5000 em_width: Pixels,
5001 context_menu_layout: Option<ContextMenuLayout>,
5002 window: &mut Window,
5003 cx: &mut App,
5004 ) {
5005 if !self.editor.focus_handle(cx).is_focused(window) {
5006 return;
5007 }
5008 let Some(newest_selection_head) = newest_selection_head else {
5009 return;
5010 };
5011
5012 let max_size = size(
5013 (120. * em_width) // Default size
5014 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5015 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5016 (16. * line_height) // Default size
5017 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5018 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5019 );
5020
5021 let maybe_element = self.editor.update(cx, |editor, cx| {
5022 if let Some(popover) = editor.signature_help_state.popover_mut() {
5023 let element = popover.render(max_size, window, cx);
5024 Some(element)
5025 } else {
5026 None
5027 }
5028 });
5029 let Some(mut element) = maybe_element else {
5030 return;
5031 };
5032
5033 let selection_row = newest_selection_head.row();
5034 let Some(cursor_row_layout) = (selection_row >= start_row)
5035 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5036 .flatten()
5037 else {
5038 return;
5039 };
5040
5041 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5042 - scroll_pixel_position.x;
5043 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5044 let target_point = content_origin + point(target_x, target_y);
5045
5046 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5047
5048 let (popover_bounds_above, popover_bounds_below) = {
5049 let horizontal_offset = (hitbox.top_right().x
5050 - POPOVER_RIGHT_OFFSET
5051 - (target_point.x + actual_size.width))
5052 .min(Pixels::ZERO);
5053 let initial_x = target_point.x + horizontal_offset;
5054 (
5055 Bounds::new(
5056 point(initial_x, target_point.y - actual_size.height),
5057 actual_size,
5058 ),
5059 Bounds::new(
5060 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5061 actual_size,
5062 ),
5063 )
5064 };
5065
5066 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5067 context_menu_layout
5068 .as_ref()
5069 .map_or(false, |menu| bounds.intersects(&menu.bounds))
5070 };
5071
5072 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5073 && !intersects_menu(popover_bounds_above)
5074 {
5075 // try placing above cursor
5076 popover_bounds_above.origin
5077 } else if popover_bounds_below.is_contained_within(hitbox)
5078 && !intersects_menu(popover_bounds_below)
5079 {
5080 // try placing below cursor
5081 popover_bounds_below.origin
5082 } else {
5083 // try surrounding context menu if exists
5084 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5085 let y_for_horizontal_positioning = if menu.y_flipped {
5086 menu.bounds.bottom() - actual_size.height
5087 } else {
5088 menu.bounds.top()
5089 };
5090 let possible_origins = vec![
5091 // left of context menu
5092 point(
5093 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5094 y_for_horizontal_positioning,
5095 ),
5096 // right of context menu
5097 point(
5098 menu.bounds.right() + HOVER_POPOVER_GAP,
5099 y_for_horizontal_positioning,
5100 ),
5101 // top of context menu
5102 point(
5103 menu.bounds.left(),
5104 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5105 ),
5106 // bottom of context menu
5107 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5108 ];
5109 possible_origins
5110 .into_iter()
5111 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5112 });
5113 origin_surrounding_menu.unwrap_or_else(|| {
5114 // fallback to existing above/below cursor logic
5115 // this might overlap menu or overflow in rare case
5116 if popover_bounds_above.is_contained_within(hitbox) {
5117 popover_bounds_above.origin
5118 } else {
5119 popover_bounds_below.origin
5120 }
5121 })
5122 };
5123
5124 window.defer_draw(element, final_origin, 2);
5125 }
5126
5127 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5128 window.paint_layer(layout.hitbox.bounds, |window| {
5129 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5130 let gutter_bg = cx.theme().colors().editor_gutter_background;
5131 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5132 window.paint_quad(fill(
5133 layout.position_map.text_hitbox.bounds,
5134 self.style.background,
5135 ));
5136
5137 if matches!(
5138 layout.mode,
5139 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5140 ) {
5141 let show_active_line_background = match layout.mode {
5142 EditorMode::Full {
5143 show_active_line_background,
5144 ..
5145 } => show_active_line_background,
5146 EditorMode::Minimap { .. } => true,
5147 _ => false,
5148 };
5149 let mut active_rows = layout.active_rows.iter().peekable();
5150 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5151 let mut end_row = start_row.0;
5152 while active_rows
5153 .peek()
5154 .map_or(false, |(active_row, has_selection)| {
5155 active_row.0 == end_row + 1
5156 && has_selection.selection == contains_non_empty_selection.selection
5157 })
5158 {
5159 active_rows.next().unwrap();
5160 end_row += 1;
5161 }
5162
5163 if show_active_line_background && !contains_non_empty_selection.selection {
5164 let highlight_h_range =
5165 match layout.position_map.snapshot.current_line_highlight {
5166 CurrentLineHighlight::Gutter => Some(Range {
5167 start: layout.hitbox.left(),
5168 end: layout.gutter_hitbox.right(),
5169 }),
5170 CurrentLineHighlight::Line => Some(Range {
5171 start: layout.position_map.text_hitbox.bounds.left(),
5172 end: layout.position_map.text_hitbox.bounds.right(),
5173 }),
5174 CurrentLineHighlight::All => Some(Range {
5175 start: layout.hitbox.left(),
5176 end: layout.hitbox.right(),
5177 }),
5178 CurrentLineHighlight::None => None,
5179 };
5180 if let Some(range) = highlight_h_range {
5181 let active_line_bg = cx.theme().colors().editor_active_line_background;
5182 let bounds = Bounds {
5183 origin: point(
5184 range.start,
5185 layout.hitbox.origin.y
5186 + (start_row.as_f32() - scroll_top)
5187 * layout.position_map.line_height,
5188 ),
5189 size: size(
5190 range.end - range.start,
5191 layout.position_map.line_height
5192 * (end_row - start_row.0 + 1) as f32,
5193 ),
5194 };
5195 window.paint_quad(fill(bounds, active_line_bg));
5196 }
5197 }
5198 }
5199
5200 let mut paint_highlight = |highlight_row_start: DisplayRow,
5201 highlight_row_end: DisplayRow,
5202 highlight: crate::LineHighlight,
5203 edges| {
5204 let mut origin_x = layout.hitbox.left();
5205 let mut width = layout.hitbox.size.width;
5206 if !highlight.include_gutter {
5207 origin_x += layout.gutter_hitbox.size.width;
5208 width -= layout.gutter_hitbox.size.width;
5209 }
5210
5211 let origin = point(
5212 origin_x,
5213 layout.hitbox.origin.y
5214 + (highlight_row_start.as_f32() - scroll_top)
5215 * layout.position_map.line_height,
5216 );
5217 let size = size(
5218 width,
5219 layout.position_map.line_height
5220 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5221 );
5222 let mut quad = fill(Bounds { origin, size }, highlight.background);
5223 if let Some(border_color) = highlight.border {
5224 quad.border_color = border_color;
5225 quad.border_widths = edges
5226 }
5227 window.paint_quad(quad);
5228 };
5229
5230 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5231 None;
5232 for (&new_row, &new_background) in &layout.highlighted_rows {
5233 match &mut current_paint {
5234 &mut Some((current_background, ref mut current_range, mut edges)) => {
5235 let new_range_started = current_background != new_background
5236 || current_range.end.next_row() != new_row;
5237 if new_range_started {
5238 if current_range.end.next_row() == new_row {
5239 edges.bottom = px(0.);
5240 };
5241 paint_highlight(
5242 current_range.start,
5243 current_range.end,
5244 current_background,
5245 edges,
5246 );
5247 let edges = Edges {
5248 top: if current_range.end.next_row() != new_row {
5249 px(1.)
5250 } else {
5251 px(0.)
5252 },
5253 bottom: px(1.),
5254 ..Default::default()
5255 };
5256 current_paint = Some((new_background, new_row..new_row, edges));
5257 continue;
5258 } else {
5259 current_range.end = current_range.end.next_row();
5260 }
5261 }
5262 None => {
5263 let edges = Edges {
5264 top: px(1.),
5265 bottom: px(1.),
5266 ..Default::default()
5267 };
5268 current_paint = Some((new_background, new_row..new_row, edges))
5269 }
5270 };
5271 }
5272 if let Some((color, range, edges)) = current_paint {
5273 paint_highlight(range.start, range.end, color, edges);
5274 }
5275
5276 for (guide_x, active) in layout.wrap_guides.iter() {
5277 let color = if *active {
5278 cx.theme().colors().editor_active_wrap_guide
5279 } else {
5280 cx.theme().colors().editor_wrap_guide
5281 };
5282 window.paint_quad(fill(
5283 Bounds {
5284 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5285 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5286 },
5287 color,
5288 ));
5289 }
5290 }
5291 })
5292 }
5293
5294 fn paint_indent_guides(
5295 &mut self,
5296 layout: &mut EditorLayout,
5297 window: &mut Window,
5298 cx: &mut App,
5299 ) {
5300 let Some(indent_guides) = &layout.indent_guides else {
5301 return;
5302 };
5303
5304 let faded_color = |color: Hsla, alpha: f32| {
5305 let mut faded = color;
5306 faded.a = alpha;
5307 faded
5308 };
5309
5310 for indent_guide in indent_guides {
5311 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5312 let settings = indent_guide.settings;
5313
5314 // TODO fixed for now, expose them through themes later
5315 const INDENT_AWARE_ALPHA: f32 = 0.2;
5316 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5317 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5318 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5319
5320 let line_color = match (settings.coloring, indent_guide.active) {
5321 (IndentGuideColoring::Disabled, _) => None,
5322 (IndentGuideColoring::Fixed, false) => {
5323 Some(cx.theme().colors().editor_indent_guide)
5324 }
5325 (IndentGuideColoring::Fixed, true) => {
5326 Some(cx.theme().colors().editor_indent_guide_active)
5327 }
5328 (IndentGuideColoring::IndentAware, false) => {
5329 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5330 }
5331 (IndentGuideColoring::IndentAware, true) => {
5332 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5333 }
5334 };
5335
5336 let background_color = match (settings.background_coloring, indent_guide.active) {
5337 (IndentGuideBackgroundColoring::Disabled, _) => None,
5338 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5339 indent_accent_colors,
5340 INDENT_AWARE_BACKGROUND_ALPHA,
5341 )),
5342 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5343 indent_accent_colors,
5344 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5345 )),
5346 };
5347
5348 let requested_line_width = if indent_guide.active {
5349 settings.active_line_width
5350 } else {
5351 settings.line_width
5352 }
5353 .clamp(1, 10);
5354 let mut line_indicator_width = 0.;
5355 if let Some(color) = line_color {
5356 window.paint_quad(fill(
5357 Bounds {
5358 origin: indent_guide.origin,
5359 size: size(px(requested_line_width as f32), indent_guide.length),
5360 },
5361 color,
5362 ));
5363 line_indicator_width = requested_line_width as f32;
5364 }
5365
5366 if let Some(color) = background_color {
5367 let width = indent_guide.single_indent_width - px(line_indicator_width);
5368 window.paint_quad(fill(
5369 Bounds {
5370 origin: point(
5371 indent_guide.origin.x + px(line_indicator_width),
5372 indent_guide.origin.y,
5373 ),
5374 size: size(width, indent_guide.length),
5375 },
5376 color,
5377 ));
5378 }
5379 }
5380 }
5381
5382 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5383 let is_singleton = self.editor.read(cx).is_singleton(cx);
5384
5385 let line_height = layout.position_map.line_height;
5386 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5387
5388 for LineNumberLayout {
5389 shaped_line,
5390 hitbox,
5391 } in layout.line_numbers.values()
5392 {
5393 let Some(hitbox) = hitbox else {
5394 continue;
5395 };
5396
5397 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5398 let color = cx.theme().colors().editor_hover_line_number;
5399
5400 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5401 line.paint(hitbox.origin, line_height, window, cx).log_err()
5402 } else {
5403 shaped_line
5404 .paint(hitbox.origin, line_height, window, cx)
5405 .log_err()
5406 }) else {
5407 continue;
5408 };
5409
5410 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5411 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5412 if is_singleton {
5413 window.set_cursor_style(CursorStyle::IBeam, &hitbox);
5414 } else {
5415 window.set_cursor_style(CursorStyle::PointingHand, &hitbox);
5416 }
5417 }
5418 }
5419
5420 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5421 if layout.display_hunks.is_empty() {
5422 return;
5423 }
5424
5425 let line_height = layout.position_map.line_height;
5426 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5427 for (hunk, hitbox) in &layout.display_hunks {
5428 let hunk_to_paint = match hunk {
5429 DisplayDiffHunk::Folded { .. } => {
5430 let hunk_bounds = Self::diff_hunk_bounds(
5431 &layout.position_map.snapshot,
5432 line_height,
5433 layout.gutter_hitbox.bounds,
5434 &hunk,
5435 );
5436 Some((
5437 hunk_bounds,
5438 cx.theme().colors().version_control_modified,
5439 Corners::all(px(0.)),
5440 DiffHunkStatus::modified_none(),
5441 ))
5442 }
5443 DisplayDiffHunk::Unfolded {
5444 status,
5445 display_row_range,
5446 ..
5447 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5448 DiffHunkStatusKind::Added => (
5449 hunk_hitbox.bounds,
5450 cx.theme().colors().version_control_added,
5451 Corners::all(px(0.)),
5452 *status,
5453 ),
5454 DiffHunkStatusKind::Modified => (
5455 hunk_hitbox.bounds,
5456 cx.theme().colors().version_control_modified,
5457 Corners::all(px(0.)),
5458 *status,
5459 ),
5460 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5461 hunk_hitbox.bounds,
5462 cx.theme().colors().version_control_deleted,
5463 Corners::all(px(0.)),
5464 *status,
5465 ),
5466 DiffHunkStatusKind::Deleted => (
5467 Bounds::new(
5468 point(
5469 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5470 hunk_hitbox.origin.y,
5471 ),
5472 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5473 ),
5474 cx.theme().colors().version_control_deleted,
5475 Corners::all(1. * line_height),
5476 *status,
5477 ),
5478 }),
5479 };
5480
5481 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5482 // Flatten the background color with the editor color to prevent
5483 // elements below transparent hunks from showing through
5484 let flattened_background_color = cx
5485 .theme()
5486 .colors()
5487 .editor_background
5488 .blend(background_color);
5489
5490 if !Self::diff_hunk_hollow(status, cx) {
5491 window.paint_quad(quad(
5492 hunk_bounds,
5493 corner_radii,
5494 flattened_background_color,
5495 Edges::default(),
5496 transparent_black(),
5497 BorderStyle::default(),
5498 ));
5499 } else {
5500 let flattened_unstaged_background_color = cx
5501 .theme()
5502 .colors()
5503 .editor_background
5504 .blend(background_color.opacity(0.3));
5505
5506 window.paint_quad(quad(
5507 hunk_bounds,
5508 corner_radii,
5509 flattened_unstaged_background_color,
5510 Edges::all(Pixels(1.0)),
5511 flattened_background_color,
5512 BorderStyle::Solid,
5513 ));
5514 }
5515 }
5516 }
5517 });
5518 }
5519
5520 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5521 (0.275 * line_height).floor()
5522 }
5523
5524 fn diff_hunk_bounds(
5525 snapshot: &EditorSnapshot,
5526 line_height: Pixels,
5527 gutter_bounds: Bounds<Pixels>,
5528 hunk: &DisplayDiffHunk,
5529 ) -> Bounds<Pixels> {
5530 let scroll_position = snapshot.scroll_position();
5531 let scroll_top = scroll_position.y * line_height;
5532 let gutter_strip_width = Self::gutter_strip_width(line_height);
5533
5534 match hunk {
5535 DisplayDiffHunk::Folded { display_row, .. } => {
5536 let start_y = display_row.as_f32() * line_height - scroll_top;
5537 let end_y = start_y + line_height;
5538 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5539 let highlight_size = size(gutter_strip_width, end_y - start_y);
5540 Bounds::new(highlight_origin, highlight_size)
5541 }
5542 DisplayDiffHunk::Unfolded {
5543 display_row_range,
5544 status,
5545 ..
5546 } => {
5547 if status.is_deleted() && display_row_range.is_empty() {
5548 let row = display_row_range.start;
5549
5550 let offset = line_height / 2.;
5551 let start_y = row.as_f32() * line_height - offset - scroll_top;
5552 let end_y = start_y + line_height;
5553
5554 let width = (0.35 * line_height).floor();
5555 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5556 let highlight_size = size(width, end_y - start_y);
5557 Bounds::new(highlight_origin, highlight_size)
5558 } else {
5559 let start_row = display_row_range.start;
5560 let end_row = display_row_range.end;
5561 // If we're in a multibuffer, row range span might include an
5562 // excerpt header, so if we were to draw the marker straight away,
5563 // the hunk might include the rows of that header.
5564 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5565 // Instead, we simply check whether the range we're dealing with includes
5566 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5567 let end_row_in_current_excerpt = snapshot
5568 .blocks_in_range(start_row..end_row)
5569 .find_map(|(start_row, block)| {
5570 if matches!(block, Block::ExcerptBoundary { .. }) {
5571 Some(start_row)
5572 } else {
5573 None
5574 }
5575 })
5576 .unwrap_or(end_row);
5577
5578 let start_y = start_row.as_f32() * line_height - scroll_top;
5579 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5580
5581 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5582 let highlight_size = size(gutter_strip_width, end_y - start_y);
5583 Bounds::new(highlight_origin, highlight_size)
5584 }
5585 }
5586 }
5587 }
5588
5589 fn paint_gutter_indicators(
5590 &self,
5591 layout: &mut EditorLayout,
5592 window: &mut Window,
5593 cx: &mut App,
5594 ) {
5595 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5596 window.with_element_namespace("crease_toggles", |window| {
5597 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5598 crease_toggle.paint(window, cx);
5599 }
5600 });
5601
5602 window.with_element_namespace("expand_toggles", |window| {
5603 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5604 expand_toggle.paint(window, cx);
5605 }
5606 });
5607
5608 for breakpoint in layout.breakpoints.iter_mut() {
5609 breakpoint.paint(window, cx);
5610 }
5611
5612 for test_indicator in layout.test_indicators.iter_mut() {
5613 test_indicator.paint(window, cx);
5614 }
5615 });
5616 }
5617
5618 fn paint_gutter_highlights(
5619 &self,
5620 layout: &mut EditorLayout,
5621 window: &mut Window,
5622 cx: &mut App,
5623 ) {
5624 for (_, hunk_hitbox) in &layout.display_hunks {
5625 if let Some(hunk_hitbox) = hunk_hitbox {
5626 if !self
5627 .editor
5628 .read(cx)
5629 .buffer()
5630 .read(cx)
5631 .all_diff_hunks_expanded()
5632 {
5633 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5634 }
5635 }
5636 }
5637
5638 let show_git_gutter = layout
5639 .position_map
5640 .snapshot
5641 .show_git_diff_gutter
5642 .unwrap_or_else(|| {
5643 matches!(
5644 ProjectSettings::get_global(cx).git.git_gutter,
5645 Some(GitGutterSetting::TrackedFiles)
5646 )
5647 });
5648 if show_git_gutter {
5649 Self::paint_gutter_diff_hunks(layout, window, cx)
5650 }
5651
5652 let highlight_width = 0.275 * layout.position_map.line_height;
5653 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5654 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5655 for (range, color) in &layout.highlighted_gutter_ranges {
5656 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5657 layout.visible_display_row_range.start - DisplayRow(1)
5658 } else {
5659 range.start.row()
5660 };
5661 let end_row = if range.end.row() > layout.visible_display_row_range.end {
5662 layout.visible_display_row_range.end + DisplayRow(1)
5663 } else {
5664 range.end.row()
5665 };
5666
5667 let start_y = layout.gutter_hitbox.top()
5668 + start_row.0 as f32 * layout.position_map.line_height
5669 - layout.position_map.scroll_pixel_position.y;
5670 let end_y = layout.gutter_hitbox.top()
5671 + (end_row.0 + 1) as f32 * layout.position_map.line_height
5672 - layout.position_map.scroll_pixel_position.y;
5673 let bounds = Bounds::from_corners(
5674 point(layout.gutter_hitbox.left(), start_y),
5675 point(layout.gutter_hitbox.left() + highlight_width, end_y),
5676 );
5677 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
5678 }
5679 });
5680 }
5681
5682 fn paint_blamed_display_rows(
5683 &self,
5684 layout: &mut EditorLayout,
5685 window: &mut Window,
5686 cx: &mut App,
5687 ) {
5688 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
5689 return;
5690 };
5691
5692 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5693 for mut blame_element in blamed_display_rows.into_iter() {
5694 blame_element.paint(window, cx);
5695 }
5696 })
5697 }
5698
5699 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5700 window.with_content_mask(
5701 Some(ContentMask {
5702 bounds: layout.position_map.text_hitbox.bounds,
5703 }),
5704 |window| {
5705 let editor = self.editor.read(cx);
5706 if editor.mouse_cursor_hidden {
5707 window.set_window_cursor_style(CursorStyle::None);
5708 } else if matches!(
5709 editor.selection_drag_state,
5710 SelectionDragState::Dragging { .. }
5711 ) {
5712 window
5713 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
5714 } else if editor
5715 .hovered_link_state
5716 .as_ref()
5717 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
5718 {
5719 window.set_cursor_style(
5720 CursorStyle::PointingHand,
5721 &layout.position_map.text_hitbox,
5722 );
5723 } else {
5724 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
5725 };
5726
5727 self.paint_lines_background(layout, window, cx);
5728 let invisible_display_ranges = self.paint_highlights(layout, window);
5729 self.paint_document_colors(layout, window);
5730 self.paint_lines(&invisible_display_ranges, layout, window, cx);
5731 self.paint_redactions(layout, window);
5732 self.paint_cursors(layout, window, cx);
5733 self.paint_inline_diagnostics(layout, window, cx);
5734 self.paint_inline_blame(layout, window, cx);
5735 self.paint_inline_code_actions(layout, window, cx);
5736 self.paint_diff_hunk_controls(layout, window, cx);
5737 window.with_element_namespace("crease_trailers", |window| {
5738 for trailer in layout.crease_trailers.iter_mut().flatten() {
5739 trailer.element.paint(window, cx);
5740 }
5741 });
5742 },
5743 )
5744 }
5745
5746 fn paint_highlights(
5747 &mut self,
5748 layout: &mut EditorLayout,
5749 window: &mut Window,
5750 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
5751 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5752 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
5753 let line_end_overshoot = 0.15 * layout.position_map.line_height;
5754 for (range, color) in &layout.highlighted_ranges {
5755 self.paint_highlighted_range(
5756 range.clone(),
5757 true,
5758 *color,
5759 Pixels::ZERO,
5760 line_end_overshoot,
5761 layout,
5762 window,
5763 );
5764 }
5765
5766 let corner_radius = 0.15 * layout.position_map.line_height;
5767
5768 for (player_color, selections) in &layout.selections {
5769 for selection in selections.iter() {
5770 self.paint_highlighted_range(
5771 selection.range.clone(),
5772 true,
5773 player_color.selection,
5774 corner_radius,
5775 corner_radius * 2.,
5776 layout,
5777 window,
5778 );
5779
5780 if selection.is_local && !selection.range.is_empty() {
5781 invisible_display_ranges.push(selection.range.clone());
5782 }
5783 }
5784 }
5785 invisible_display_ranges
5786 })
5787 }
5788
5789 fn paint_lines(
5790 &mut self,
5791 invisible_display_ranges: &[Range<DisplayPoint>],
5792 layout: &mut EditorLayout,
5793 window: &mut Window,
5794 cx: &mut App,
5795 ) {
5796 let whitespace_setting = self
5797 .editor
5798 .read(cx)
5799 .buffer
5800 .read(cx)
5801 .language_settings(cx)
5802 .show_whitespaces;
5803
5804 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5805 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5806 line_with_invisibles.draw(
5807 layout,
5808 row,
5809 layout.content_origin,
5810 whitespace_setting,
5811 invisible_display_ranges,
5812 window,
5813 cx,
5814 )
5815 }
5816
5817 for line_element in &mut layout.line_elements {
5818 line_element.paint(window, cx);
5819 }
5820 }
5821
5822 fn paint_lines_background(
5823 &mut self,
5824 layout: &mut EditorLayout,
5825 window: &mut Window,
5826 cx: &mut App,
5827 ) {
5828 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
5829 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
5830 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
5831 }
5832 }
5833
5834 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
5835 if layout.redacted_ranges.is_empty() {
5836 return;
5837 }
5838
5839 let line_end_overshoot = layout.line_end_overshoot();
5840
5841 // A softer than perfect black
5842 let redaction_color = gpui::rgb(0x0e1111);
5843
5844 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
5845 for range in layout.redacted_ranges.iter() {
5846 self.paint_highlighted_range(
5847 range.clone(),
5848 true,
5849 redaction_color.into(),
5850 Pixels::ZERO,
5851 line_end_overshoot,
5852 layout,
5853 window,
5854 );
5855 }
5856 });
5857 }
5858
5859 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
5860 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
5861 return;
5862 };
5863 if image_colors.is_empty()
5864 || colors_render_mode == &DocumentColorsRenderMode::None
5865 || colors_render_mode == &DocumentColorsRenderMode::Inlay
5866 {
5867 return;
5868 }
5869
5870 let line_end_overshoot = layout.line_end_overshoot();
5871
5872 for (range, color) in image_colors {
5873 match colors_render_mode {
5874 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
5875 DocumentColorsRenderMode::Background => {
5876 self.paint_highlighted_range(
5877 range.clone(),
5878 true,
5879 *color,
5880 Pixels::ZERO,
5881 line_end_overshoot,
5882 layout,
5883 window,
5884 );
5885 }
5886 DocumentColorsRenderMode::Border => {
5887 self.paint_highlighted_range(
5888 range.clone(),
5889 false,
5890 *color,
5891 Pixels::ZERO,
5892 line_end_overshoot,
5893 layout,
5894 window,
5895 );
5896 }
5897 }
5898 }
5899 }
5900
5901 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5902 for cursor in &mut layout.visible_cursors {
5903 cursor.paint(layout.content_origin, window, cx);
5904 }
5905 }
5906
5907 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5908 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
5909 return;
5910 };
5911 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
5912
5913 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
5914 let hitbox = &scrollbar_layout.hitbox;
5915 if scrollbars_layout.visible {
5916 let scrollbar_edges = match axis {
5917 ScrollbarAxis::Horizontal => Edges {
5918 top: Pixels::ZERO,
5919 right: Pixels::ZERO,
5920 bottom: Pixels::ZERO,
5921 left: Pixels::ZERO,
5922 },
5923 ScrollbarAxis::Vertical => Edges {
5924 top: Pixels::ZERO,
5925 right: Pixels::ZERO,
5926 bottom: Pixels::ZERO,
5927 left: ScrollbarLayout::BORDER_WIDTH,
5928 },
5929 };
5930
5931 window.paint_layer(hitbox.bounds, |window| {
5932 window.paint_quad(quad(
5933 hitbox.bounds,
5934 Corners::default(),
5935 cx.theme().colors().scrollbar_track_background,
5936 scrollbar_edges,
5937 cx.theme().colors().scrollbar_track_border,
5938 BorderStyle::Solid,
5939 ));
5940
5941 if axis == ScrollbarAxis::Vertical {
5942 let fast_markers =
5943 self.collect_fast_scrollbar_markers(layout, &scrollbar_layout, cx);
5944 // Refresh slow scrollbar markers in the background. Below, we
5945 // paint whatever markers have already been computed.
5946 self.refresh_slow_scrollbar_markers(layout, &scrollbar_layout, window, cx);
5947
5948 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
5949 for marker in markers.iter().chain(&fast_markers) {
5950 let mut marker = marker.clone();
5951 marker.bounds.origin += hitbox.origin;
5952 window.paint_quad(marker);
5953 }
5954 }
5955
5956 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
5957 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
5958 ScrollbarThumbState::Dragging => {
5959 cx.theme().colors().scrollbar_thumb_active_background
5960 }
5961 ScrollbarThumbState::Hovered => {
5962 cx.theme().colors().scrollbar_thumb_hover_background
5963 }
5964 ScrollbarThumbState::Idle => {
5965 cx.theme().colors().scrollbar_thumb_background
5966 }
5967 };
5968 window.paint_quad(quad(
5969 thumb_bounds,
5970 Corners::default(),
5971 scrollbar_thumb_color,
5972 scrollbar_edges,
5973 cx.theme().colors().scrollbar_thumb_border,
5974 BorderStyle::Solid,
5975 ));
5976
5977 if any_scrollbar_dragged {
5978 window.set_window_cursor_style(CursorStyle::Arrow);
5979 } else {
5980 window.set_cursor_style(CursorStyle::Arrow, &hitbox);
5981 }
5982 }
5983 })
5984 }
5985 }
5986
5987 window.on_mouse_event({
5988 let editor = self.editor.clone();
5989 let scrollbars_layout = scrollbars_layout.clone();
5990
5991 let mut mouse_position = window.mouse_position();
5992 move |event: &MouseMoveEvent, phase, window, cx| {
5993 if phase == DispatchPhase::Capture {
5994 return;
5995 }
5996
5997 editor.update(cx, |editor, cx| {
5998 if let Some((scrollbar_layout, axis)) = event
5999 .pressed_button
6000 .filter(|button| *button == MouseButton::Left)
6001 .and(editor.scroll_manager.dragging_scrollbar_axis())
6002 .and_then(|axis| {
6003 scrollbars_layout
6004 .iter_scrollbars()
6005 .find(|(_, a)| *a == axis)
6006 })
6007 {
6008 let ScrollbarLayout {
6009 hitbox,
6010 text_unit_size,
6011 ..
6012 } = scrollbar_layout;
6013
6014 let old_position = mouse_position.along(axis);
6015 let new_position = event.position.along(axis);
6016 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6017 .contains(&old_position)
6018 {
6019 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6020 (p + (new_position - old_position) / *text_unit_size).max(0.)
6021 });
6022 editor.set_scroll_position(position, window, cx);
6023 }
6024
6025 editor.scroll_manager.show_scrollbars(window, cx);
6026 cx.stop_propagation();
6027 } else if let Some((layout, axis)) = scrollbars_layout
6028 .get_hovered_axis(window)
6029 .filter(|_| !event.dragging())
6030 {
6031 if layout.thumb_hovered(&event.position) {
6032 editor
6033 .scroll_manager
6034 .set_hovered_scroll_thumb_axis(axis, cx);
6035 } else {
6036 editor.scroll_manager.reset_scrollbar_state(cx);
6037 }
6038
6039 editor.scroll_manager.show_scrollbars(window, cx);
6040 } else {
6041 editor.scroll_manager.reset_scrollbar_state(cx);
6042 }
6043
6044 mouse_position = event.position;
6045 })
6046 }
6047 });
6048
6049 if any_scrollbar_dragged {
6050 window.on_mouse_event({
6051 let editor = self.editor.clone();
6052 move |_: &MouseUpEvent, phase, window, cx| {
6053 if phase == DispatchPhase::Capture {
6054 return;
6055 }
6056
6057 editor.update(cx, |editor, cx| {
6058 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6059 editor
6060 .scroll_manager
6061 .set_hovered_scroll_thumb_axis(axis, cx);
6062 } else {
6063 editor.scroll_manager.reset_scrollbar_state(cx);
6064 }
6065 cx.stop_propagation();
6066 });
6067 }
6068 });
6069 } else {
6070 window.on_mouse_event({
6071 let editor = self.editor.clone();
6072
6073 move |event: &MouseDownEvent, phase, window, cx| {
6074 if phase == DispatchPhase::Capture {
6075 return;
6076 }
6077 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6078 else {
6079 return;
6080 };
6081
6082 let ScrollbarLayout {
6083 hitbox,
6084 visible_range,
6085 text_unit_size,
6086 thumb_bounds,
6087 ..
6088 } = scrollbar_layout;
6089
6090 let Some(thumb_bounds) = thumb_bounds else {
6091 return;
6092 };
6093
6094 editor.update(cx, |editor, cx| {
6095 editor
6096 .scroll_manager
6097 .set_dragged_scroll_thumb_axis(axis, cx);
6098
6099 let event_position = event.position.along(axis);
6100
6101 if event_position < thumb_bounds.origin.along(axis)
6102 || thumb_bounds.bottom_right().along(axis) < event_position
6103 {
6104 let center_position = ((event_position - hitbox.origin.along(axis))
6105 / *text_unit_size)
6106 .round() as u32;
6107 let start_position = center_position.saturating_sub(
6108 (visible_range.end - visible_range.start) as u32 / 2,
6109 );
6110
6111 let position = editor
6112 .scroll_position(cx)
6113 .apply_along(axis, |_| start_position as f32);
6114
6115 editor.set_scroll_position(position, window, cx);
6116 } else {
6117 editor.scroll_manager.show_scrollbars(window, cx);
6118 }
6119
6120 cx.stop_propagation();
6121 });
6122 }
6123 });
6124 }
6125 }
6126
6127 fn collect_fast_scrollbar_markers(
6128 &self,
6129 layout: &EditorLayout,
6130 scrollbar_layout: &ScrollbarLayout,
6131 cx: &mut App,
6132 ) -> Vec<PaintQuad> {
6133 const LIMIT: usize = 100;
6134 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6135 return vec![];
6136 }
6137 let cursor_ranges = layout
6138 .cursors
6139 .iter()
6140 .map(|(point, color)| ColoredRange {
6141 start: point.row(),
6142 end: point.row(),
6143 color: *color,
6144 })
6145 .collect_vec();
6146 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6147 }
6148
6149 fn refresh_slow_scrollbar_markers(
6150 &self,
6151 layout: &EditorLayout,
6152 scrollbar_layout: &ScrollbarLayout,
6153 window: &mut Window,
6154 cx: &mut App,
6155 ) {
6156 self.editor.update(cx, |editor, cx| {
6157 if !editor.is_singleton(cx)
6158 || !editor
6159 .scrollbar_marker_state
6160 .should_refresh(scrollbar_layout.hitbox.size)
6161 {
6162 return;
6163 }
6164
6165 let scrollbar_layout = scrollbar_layout.clone();
6166 let background_highlights = editor.background_highlights.clone();
6167 let snapshot = layout.position_map.snapshot.clone();
6168 let theme = cx.theme().clone();
6169 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6170
6171 editor.scrollbar_marker_state.dirty = false;
6172 editor.scrollbar_marker_state.pending_refresh =
6173 Some(cx.spawn_in(window, async move |editor, cx| {
6174 let scrollbar_size = scrollbar_layout.hitbox.size;
6175 let scrollbar_markers = cx
6176 .background_spawn(async move {
6177 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6178 let mut marker_quads = Vec::new();
6179 if scrollbar_settings.git_diff {
6180 let marker_row_ranges =
6181 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6182 let start_display_row =
6183 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6184 .to_display_point(&snapshot.display_snapshot)
6185 .row();
6186 let mut end_display_row =
6187 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6188 .to_display_point(&snapshot.display_snapshot)
6189 .row();
6190 if end_display_row != start_display_row {
6191 end_display_row.0 -= 1;
6192 }
6193 let color = match &hunk.status().kind {
6194 DiffHunkStatusKind::Added => {
6195 theme.colors().version_control_added
6196 }
6197 DiffHunkStatusKind::Modified => {
6198 theme.colors().version_control_modified
6199 }
6200 DiffHunkStatusKind::Deleted => {
6201 theme.colors().version_control_deleted
6202 }
6203 };
6204 ColoredRange {
6205 start: start_display_row,
6206 end: end_display_row,
6207 color,
6208 }
6209 });
6210
6211 marker_quads.extend(
6212 scrollbar_layout
6213 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6214 );
6215 }
6216
6217 for (background_highlight_id, (_, background_ranges)) in
6218 background_highlights.iter()
6219 {
6220 let is_search_highlights = *background_highlight_id
6221 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6222 let is_text_highlights = *background_highlight_id
6223 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6224 let is_symbol_occurrences = *background_highlight_id
6225 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6226 || *background_highlight_id
6227 == HighlightKey::Type(
6228 TypeId::of::<DocumentHighlightWrite>(),
6229 );
6230 if (is_search_highlights && scrollbar_settings.search_results)
6231 || (is_text_highlights && scrollbar_settings.selected_text)
6232 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6233 {
6234 let mut color = theme.status().info;
6235 if is_symbol_occurrences {
6236 color.fade_out(0.5);
6237 }
6238 let marker_row_ranges = background_ranges.iter().map(|range| {
6239 let display_start = range
6240 .start
6241 .to_display_point(&snapshot.display_snapshot);
6242 let display_end =
6243 range.end.to_display_point(&snapshot.display_snapshot);
6244 ColoredRange {
6245 start: display_start.row(),
6246 end: display_end.row(),
6247 color,
6248 }
6249 });
6250 marker_quads.extend(
6251 scrollbar_layout
6252 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6253 );
6254 }
6255 }
6256
6257 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6258 let diagnostics = snapshot
6259 .buffer_snapshot
6260 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6261 // Don't show diagnostics the user doesn't care about
6262 .filter(|diagnostic| {
6263 match (
6264 scrollbar_settings.diagnostics,
6265 diagnostic.diagnostic.severity,
6266 ) {
6267 (ScrollbarDiagnostics::All, _) => true,
6268 (
6269 ScrollbarDiagnostics::Error,
6270 lsp::DiagnosticSeverity::ERROR,
6271 ) => true,
6272 (
6273 ScrollbarDiagnostics::Warning,
6274 lsp::DiagnosticSeverity::ERROR
6275 | lsp::DiagnosticSeverity::WARNING,
6276 ) => true,
6277 (
6278 ScrollbarDiagnostics::Information,
6279 lsp::DiagnosticSeverity::ERROR
6280 | lsp::DiagnosticSeverity::WARNING
6281 | lsp::DiagnosticSeverity::INFORMATION,
6282 ) => true,
6283 (_, _) => false,
6284 }
6285 })
6286 // We want to sort by severity, in order to paint the most severe diagnostics last.
6287 .sorted_by_key(|diagnostic| {
6288 std::cmp::Reverse(diagnostic.diagnostic.severity)
6289 });
6290
6291 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6292 let start_display = diagnostic
6293 .range
6294 .start
6295 .to_display_point(&snapshot.display_snapshot);
6296 let end_display = diagnostic
6297 .range
6298 .end
6299 .to_display_point(&snapshot.display_snapshot);
6300 let color = match diagnostic.diagnostic.severity {
6301 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6302 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6303 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6304 _ => theme.status().hint,
6305 };
6306 ColoredRange {
6307 start: start_display.row(),
6308 end: end_display.row(),
6309 color,
6310 }
6311 });
6312 marker_quads.extend(
6313 scrollbar_layout
6314 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6315 );
6316 }
6317
6318 Arc::from(marker_quads)
6319 })
6320 .await;
6321
6322 editor.update(cx, |editor, cx| {
6323 editor.scrollbar_marker_state.markers = scrollbar_markers;
6324 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6325 editor.scrollbar_marker_state.pending_refresh = None;
6326 cx.notify();
6327 })?;
6328
6329 Ok(())
6330 }));
6331 });
6332 }
6333
6334 fn paint_highlighted_range(
6335 &self,
6336 range: Range<DisplayPoint>,
6337 fill: bool,
6338 color: Hsla,
6339 corner_radius: Pixels,
6340 line_end_overshoot: Pixels,
6341 layout: &EditorLayout,
6342 window: &mut Window,
6343 ) {
6344 let start_row = layout.visible_display_row_range.start;
6345 let end_row = layout.visible_display_row_range.end;
6346 if range.start != range.end {
6347 let row_range = if range.end.column() == 0 {
6348 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6349 } else {
6350 cmp::max(range.start.row(), start_row)
6351 ..cmp::min(range.end.row().next_row(), end_row)
6352 };
6353
6354 let highlighted_range = HighlightedRange {
6355 color,
6356 line_height: layout.position_map.line_height,
6357 corner_radius,
6358 start_y: layout.content_origin.y
6359 + row_range.start.as_f32() * layout.position_map.line_height
6360 - layout.position_map.scroll_pixel_position.y,
6361 lines: row_range
6362 .iter_rows()
6363 .map(|row| {
6364 let line_layout =
6365 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6366 HighlightedRangeLine {
6367 start_x: if row == range.start.row() {
6368 layout.content_origin.x
6369 + line_layout.x_for_index(range.start.column() as usize)
6370 - layout.position_map.scroll_pixel_position.x
6371 } else {
6372 layout.content_origin.x
6373 - layout.position_map.scroll_pixel_position.x
6374 },
6375 end_x: if row == range.end.row() {
6376 layout.content_origin.x
6377 + line_layout.x_for_index(range.end.column() as usize)
6378 - layout.position_map.scroll_pixel_position.x
6379 } else {
6380 layout.content_origin.x + line_layout.width + line_end_overshoot
6381 - layout.position_map.scroll_pixel_position.x
6382 },
6383 }
6384 })
6385 .collect(),
6386 };
6387
6388 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6389 }
6390 }
6391
6392 fn paint_inline_diagnostics(
6393 &mut self,
6394 layout: &mut EditorLayout,
6395 window: &mut Window,
6396 cx: &mut App,
6397 ) {
6398 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6399 inline_diagnostic.1.paint(window, cx);
6400 }
6401 }
6402
6403 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6404 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6405 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6406 blame_layout.element.paint(window, cx);
6407 })
6408 }
6409 }
6410
6411 fn paint_inline_code_actions(
6412 &mut self,
6413 layout: &mut EditorLayout,
6414 window: &mut Window,
6415 cx: &mut App,
6416 ) {
6417 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6418 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6419 inline_code_actions.paint(window, cx);
6420 })
6421 }
6422 }
6423
6424 fn paint_diff_hunk_controls(
6425 &mut self,
6426 layout: &mut EditorLayout,
6427 window: &mut Window,
6428 cx: &mut App,
6429 ) {
6430 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6431 diff_hunk_control.paint(window, cx);
6432 }
6433 }
6434
6435 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6436 if let Some(mut layout) = layout.minimap.take() {
6437 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6438 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6439
6440 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6441 window.with_element_namespace("minimap", |window| {
6442 layout.minimap.paint(window, cx);
6443 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6444 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6445 ScrollbarThumbState::Idle => {
6446 cx.theme().colors().minimap_thumb_background
6447 }
6448 ScrollbarThumbState::Hovered => {
6449 cx.theme().colors().minimap_thumb_hover_background
6450 }
6451 ScrollbarThumbState::Dragging => {
6452 cx.theme().colors().minimap_thumb_active_background
6453 }
6454 };
6455 let minimap_thumb_border = match layout.thumb_border_style {
6456 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6457 MinimapThumbBorder::LeftOnly => Edges {
6458 left: ScrollbarLayout::BORDER_WIDTH,
6459 ..Default::default()
6460 },
6461 MinimapThumbBorder::LeftOpen => Edges {
6462 right: ScrollbarLayout::BORDER_WIDTH,
6463 top: ScrollbarLayout::BORDER_WIDTH,
6464 bottom: ScrollbarLayout::BORDER_WIDTH,
6465 ..Default::default()
6466 },
6467 MinimapThumbBorder::RightOpen => Edges {
6468 left: ScrollbarLayout::BORDER_WIDTH,
6469 top: ScrollbarLayout::BORDER_WIDTH,
6470 bottom: ScrollbarLayout::BORDER_WIDTH,
6471 ..Default::default()
6472 },
6473 MinimapThumbBorder::None => Default::default(),
6474 };
6475
6476 window.paint_layer(minimap_hitbox.bounds, |window| {
6477 window.paint_quad(quad(
6478 thumb_bounds,
6479 Corners::default(),
6480 minimap_thumb_color,
6481 minimap_thumb_border,
6482 cx.theme().colors().minimap_thumb_border,
6483 BorderStyle::Solid,
6484 ));
6485 });
6486 }
6487 });
6488 });
6489
6490 if dragging_minimap {
6491 window.set_window_cursor_style(CursorStyle::Arrow);
6492 } else {
6493 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6494 }
6495
6496 let minimap_axis = ScrollbarAxis::Vertical;
6497 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6498 .min(layout.minimap_line_height);
6499
6500 let mut mouse_position = window.mouse_position();
6501
6502 window.on_mouse_event({
6503 let editor = self.editor.clone();
6504
6505 let minimap_hitbox = minimap_hitbox.clone();
6506
6507 move |event: &MouseMoveEvent, phase, window, cx| {
6508 if phase == DispatchPhase::Capture {
6509 return;
6510 }
6511
6512 editor.update(cx, |editor, cx| {
6513 if event.pressed_button == Some(MouseButton::Left)
6514 && editor.scroll_manager.is_dragging_minimap()
6515 {
6516 let old_position = mouse_position.along(minimap_axis);
6517 let new_position = event.position.along(minimap_axis);
6518 if (minimap_hitbox.origin.along(minimap_axis)
6519 ..minimap_hitbox.bottom_right().along(minimap_axis))
6520 .contains(&old_position)
6521 {
6522 let position =
6523 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6524 (p + (new_position - old_position) / pixels_per_line)
6525 .max(0.)
6526 });
6527 editor.set_scroll_position(position, window, cx);
6528 }
6529 cx.stop_propagation();
6530 } else {
6531 if minimap_hitbox.is_hovered(window) {
6532 editor.scroll_manager.set_is_hovering_minimap_thumb(
6533 !event.dragging()
6534 && layout
6535 .thumb_layout
6536 .thumb_bounds
6537 .is_some_and(|bounds| bounds.contains(&event.position)),
6538 cx,
6539 );
6540
6541 // Stop hover events from propagating to the
6542 // underlying editor if the minimap hitbox is hovered
6543 if !event.dragging() {
6544 cx.stop_propagation();
6545 }
6546 } else {
6547 editor.scroll_manager.hide_minimap_thumb(cx);
6548 }
6549 }
6550 mouse_position = event.position;
6551 });
6552 }
6553 });
6554
6555 if dragging_minimap {
6556 window.on_mouse_event({
6557 let editor = self.editor.clone();
6558 move |event: &MouseUpEvent, phase, window, cx| {
6559 if phase == DispatchPhase::Capture {
6560 return;
6561 }
6562
6563 editor.update(cx, |editor, cx| {
6564 if minimap_hitbox.is_hovered(window) {
6565 editor.scroll_manager.set_is_hovering_minimap_thumb(
6566 layout
6567 .thumb_layout
6568 .thumb_bounds
6569 .is_some_and(|bounds| bounds.contains(&event.position)),
6570 cx,
6571 );
6572 } else {
6573 editor.scroll_manager.hide_minimap_thumb(cx);
6574 }
6575 cx.stop_propagation();
6576 });
6577 }
6578 });
6579 } else {
6580 window.on_mouse_event({
6581 let editor = self.editor.clone();
6582
6583 move |event: &MouseDownEvent, phase, window, cx| {
6584 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6585 return;
6586 }
6587
6588 let event_position = event.position;
6589
6590 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6591 return;
6592 };
6593
6594 editor.update(cx, |editor, cx| {
6595 if !thumb_bounds.contains(&event_position) {
6596 let click_position =
6597 event_position.relative_to(&minimap_hitbox.origin).y;
6598
6599 let top_position = (click_position
6600 - thumb_bounds.size.along(minimap_axis) / 2.0)
6601 .max(Pixels::ZERO);
6602
6603 let scroll_offset = (layout.minimap_scroll_top
6604 + top_position / layout.minimap_line_height)
6605 .min(layout.max_scroll_top);
6606
6607 let scroll_position = editor
6608 .scroll_position(cx)
6609 .apply_along(minimap_axis, |_| scroll_offset);
6610 editor.set_scroll_position(scroll_position, window, cx);
6611 }
6612
6613 editor.scroll_manager.set_is_dragging_minimap(cx);
6614 cx.stop_propagation();
6615 });
6616 }
6617 });
6618 }
6619 }
6620 }
6621
6622 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6623 for mut block in layout.blocks.drain(..) {
6624 if block.overlaps_gutter {
6625 block.element.paint(window, cx);
6626 } else {
6627 let mut bounds = layout.hitbox.bounds;
6628 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6629 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6630 block.element.paint(window, cx);
6631 })
6632 }
6633 }
6634 }
6635
6636 fn paint_inline_completion_popover(
6637 &mut self,
6638 layout: &mut EditorLayout,
6639 window: &mut Window,
6640 cx: &mut App,
6641 ) {
6642 if let Some(inline_completion_popover) = layout.inline_completion_popover.as_mut() {
6643 inline_completion_popover.paint(window, cx);
6644 }
6645 }
6646
6647 fn paint_mouse_context_menu(
6648 &mut self,
6649 layout: &mut EditorLayout,
6650 window: &mut Window,
6651 cx: &mut App,
6652 ) {
6653 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
6654 mouse_context_menu.paint(window, cx);
6655 }
6656 }
6657
6658 fn paint_scroll_wheel_listener(
6659 &mut self,
6660 layout: &EditorLayout,
6661 window: &mut Window,
6662 cx: &mut App,
6663 ) {
6664 window.on_mouse_event({
6665 let position_map = layout.position_map.clone();
6666 let editor = self.editor.clone();
6667 let hitbox = layout.hitbox.clone();
6668 let mut delta = ScrollDelta::default();
6669
6670 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
6671 // accidentally turn off their scrolling.
6672 let base_scroll_sensitivity =
6673 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
6674
6675 // Use a minimum fast_scroll_sensitivity for same reason above
6676 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
6677 .fast_scroll_sensitivity
6678 .max(0.01);
6679
6680 move |event: &ScrollWheelEvent, phase, window, cx| {
6681 let scroll_sensitivity = {
6682 if event.modifiers.alt {
6683 fast_scroll_sensitivity
6684 } else {
6685 base_scroll_sensitivity
6686 }
6687 };
6688
6689 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
6690 delta = delta.coalesce(event.delta);
6691 editor.update(cx, |editor, cx| {
6692 let position_map: &PositionMap = &position_map;
6693
6694 let line_height = position_map.line_height;
6695 let max_glyph_advance = position_map.em_advance;
6696 let (delta, axis) = match delta {
6697 gpui::ScrollDelta::Pixels(mut pixels) => {
6698 //Trackpad
6699 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
6700 (pixels, axis)
6701 }
6702
6703 gpui::ScrollDelta::Lines(lines) => {
6704 //Not trackpad
6705 let pixels =
6706 point(lines.x * max_glyph_advance, lines.y * line_height);
6707 (pixels, None)
6708 }
6709 };
6710
6711 let current_scroll_position = position_map.snapshot.scroll_position();
6712 let x = (current_scroll_position.x * max_glyph_advance
6713 - (delta.x * scroll_sensitivity))
6714 / max_glyph_advance;
6715 let y = (current_scroll_position.y * line_height
6716 - (delta.y * scroll_sensitivity))
6717 / line_height;
6718 let mut scroll_position =
6719 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
6720 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
6721 if forbid_vertical_scroll {
6722 scroll_position.y = current_scroll_position.y;
6723 }
6724
6725 if scroll_position != current_scroll_position {
6726 editor.scroll(scroll_position, axis, window, cx);
6727 cx.stop_propagation();
6728 } else if y < 0. {
6729 // Due to clamping, we may fail to detect cases of overscroll to the top;
6730 // We want the scroll manager to get an update in such cases and detect the change of direction
6731 // on the next frame.
6732 cx.notify();
6733 }
6734 });
6735 }
6736 }
6737 });
6738 }
6739
6740 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
6741 if self.editor.read(cx).mode.is_minimap() {
6742 return;
6743 }
6744
6745 self.paint_scroll_wheel_listener(layout, window, cx);
6746
6747 window.on_mouse_event({
6748 let position_map = layout.position_map.clone();
6749 let editor = self.editor.clone();
6750 let diff_hunk_range =
6751 layout
6752 .display_hunks
6753 .iter()
6754 .find_map(|(hunk, hunk_hitbox)| match hunk {
6755 DisplayDiffHunk::Folded { .. } => None,
6756 DisplayDiffHunk::Unfolded {
6757 multi_buffer_range, ..
6758 } => {
6759 if hunk_hitbox
6760 .as_ref()
6761 .map(|hitbox| hitbox.is_hovered(window))
6762 .unwrap_or(false)
6763 {
6764 Some(multi_buffer_range.clone())
6765 } else {
6766 None
6767 }
6768 }
6769 });
6770 let line_numbers = layout.line_numbers.clone();
6771
6772 move |event: &MouseDownEvent, phase, window, cx| {
6773 if phase == DispatchPhase::Bubble {
6774 match event.button {
6775 MouseButton::Left => editor.update(cx, |editor, cx| {
6776 let pending_mouse_down = editor
6777 .pending_mouse_down
6778 .get_or_insert_with(Default::default)
6779 .clone();
6780
6781 *pending_mouse_down.borrow_mut() = Some(event.clone());
6782
6783 Self::mouse_left_down(
6784 editor,
6785 event,
6786 diff_hunk_range.clone(),
6787 &position_map,
6788 line_numbers.as_ref(),
6789 window,
6790 cx,
6791 );
6792 }),
6793 MouseButton::Right => editor.update(cx, |editor, cx| {
6794 Self::mouse_right_down(editor, event, &position_map, window, cx);
6795 }),
6796 MouseButton::Middle => editor.update(cx, |editor, cx| {
6797 Self::mouse_middle_down(editor, event, &position_map, window, cx);
6798 }),
6799 _ => {}
6800 };
6801 }
6802 }
6803 });
6804
6805 window.on_mouse_event({
6806 let editor = self.editor.clone();
6807 let position_map = layout.position_map.clone();
6808
6809 move |event: &MouseUpEvent, phase, window, cx| {
6810 if phase == DispatchPhase::Bubble {
6811 editor.update(cx, |editor, cx| {
6812 Self::mouse_up(editor, event, &position_map, window, cx)
6813 });
6814 }
6815 }
6816 });
6817
6818 window.on_mouse_event({
6819 let editor = self.editor.clone();
6820 let position_map = layout.position_map.clone();
6821 let mut captured_mouse_down = None;
6822
6823 move |event: &MouseUpEvent, phase, window, cx| match phase {
6824 // Clear the pending mouse down during the capture phase,
6825 // so that it happens even if another event handler stops
6826 // propagation.
6827 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
6828 let pending_mouse_down = editor
6829 .pending_mouse_down
6830 .get_or_insert_with(Default::default)
6831 .clone();
6832
6833 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
6834 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
6835 captured_mouse_down = pending_mouse_down.take();
6836 window.refresh();
6837 }
6838 }),
6839 // Fire click handlers during the bubble phase.
6840 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
6841 if let Some(mouse_down) = captured_mouse_down.take() {
6842 let event = ClickEvent {
6843 down: mouse_down,
6844 up: event.clone(),
6845 };
6846 Self::click(editor, &event, &position_map, window, cx);
6847 }
6848 }),
6849 }
6850 });
6851
6852 window.on_mouse_event({
6853 let position_map = layout.position_map.clone();
6854 let editor = self.editor.clone();
6855
6856 move |event: &MouseMoveEvent, phase, window, cx| {
6857 if phase == DispatchPhase::Bubble {
6858 editor.update(cx, |editor, cx| {
6859 if editor.hover_state.focused(window, cx) {
6860 return;
6861 }
6862 if event.pressed_button == Some(MouseButton::Left)
6863 || event.pressed_button == Some(MouseButton::Middle)
6864 {
6865 Self::mouse_dragged(editor, event, &position_map, window, cx)
6866 }
6867
6868 Self::mouse_moved(editor, event, &position_map, window, cx)
6869 });
6870 }
6871 }
6872 });
6873 }
6874
6875 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
6876 let style = &self.style;
6877 let font_size = style.text.font_size.to_pixels(window.rem_size());
6878 let layout = window.text_system().shape_line(
6879 SharedString::from(" ".repeat(column)),
6880 font_size,
6881 &[TextRun {
6882 len: column,
6883 font: style.text.font(),
6884 color: Hsla::default(),
6885 background_color: None,
6886 underline: None,
6887 strikethrough: None,
6888 }],
6889 );
6890
6891 layout.width
6892 }
6893
6894 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
6895 let digit_count = snapshot.widest_line_number().ilog10() + 1;
6896 self.column_pixels(digit_count as usize, window)
6897 }
6898
6899 fn shape_line_number(
6900 &self,
6901 text: SharedString,
6902 color: Hsla,
6903 window: &mut Window,
6904 ) -> ShapedLine {
6905 let run = TextRun {
6906 len: text.len(),
6907 font: self.style.text.font(),
6908 color,
6909 background_color: None,
6910 underline: None,
6911 strikethrough: None,
6912 };
6913 window.text_system().shape_line(
6914 text,
6915 self.style.text.font_size.to_pixels(window.rem_size()),
6916 &[run],
6917 )
6918 }
6919
6920 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
6921 let unstaged = status.has_secondary_hunk();
6922 let unstaged_hollow = ProjectSettings::get_global(cx)
6923 .git
6924 .hunk_style
6925 .map_or(false, |style| {
6926 matches!(style, GitHunkStyleSetting::UnstagedHollow)
6927 });
6928
6929 unstaged == unstaged_hollow
6930 }
6931}
6932
6933fn header_jump_data(
6934 snapshot: &EditorSnapshot,
6935 block_row_start: DisplayRow,
6936 height: u32,
6937 for_excerpt: &ExcerptInfo,
6938) -> JumpData {
6939 let range = &for_excerpt.range;
6940 let buffer = &for_excerpt.buffer;
6941 let jump_anchor = range.primary.start;
6942
6943 let excerpt_start = range.context.start;
6944 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
6945 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
6946 0
6947 } else {
6948 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
6949 jump_position.row.saturating_sub(excerpt_start_point.row)
6950 };
6951
6952 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
6953 .saturating_sub(
6954 snapshot
6955 .scroll_anchor
6956 .scroll_position(&snapshot.display_snapshot)
6957 .y as u32,
6958 );
6959
6960 JumpData::MultiBufferPoint {
6961 excerpt_id: for_excerpt.id,
6962 anchor: jump_anchor,
6963 position: jump_position,
6964 line_offset_from_top,
6965 }
6966}
6967
6968pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
6969
6970impl AcceptEditPredictionBinding {
6971 pub fn keystroke(&self) -> Option<&Keystroke> {
6972 if let Some(binding) = self.0.as_ref() {
6973 match &binding.keystrokes() {
6974 [keystroke, ..] => Some(keystroke),
6975 _ => None,
6976 }
6977 } else {
6978 None
6979 }
6980 }
6981}
6982
6983fn prepaint_gutter_button(
6984 button: IconButton,
6985 row: DisplayRow,
6986 line_height: Pixels,
6987 gutter_dimensions: &GutterDimensions,
6988 scroll_pixel_position: gpui::Point<Pixels>,
6989 gutter_hitbox: &Hitbox,
6990 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
6991 window: &mut Window,
6992 cx: &mut App,
6993) -> AnyElement {
6994 let mut button = button.into_any_element();
6995
6996 let available_space = size(
6997 AvailableSpace::MinContent,
6998 AvailableSpace::Definite(line_height),
6999 );
7000 let indicator_size = button.layout_as_root(available_space, window, cx);
7001
7002 let blame_width = gutter_dimensions.git_blame_entries_width;
7003 let gutter_width = display_hunks
7004 .binary_search_by(|(hunk, _)| match hunk {
7005 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7006 DisplayDiffHunk::Unfolded {
7007 display_row_range, ..
7008 } => {
7009 if display_row_range.end <= row {
7010 Ordering::Less
7011 } else if display_row_range.start > row {
7012 Ordering::Greater
7013 } else {
7014 Ordering::Equal
7015 }
7016 }
7017 })
7018 .ok()
7019 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7020 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7021
7022 let mut x = left_offset;
7023 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7024 - indicator_size.width
7025 - left_offset;
7026 x += available_width / 2.;
7027
7028 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7029 y += (line_height - indicator_size.height) / 2.;
7030
7031 button.prepaint_as_root(
7032 gutter_hitbox.origin + point(x, y),
7033 available_space,
7034 window,
7035 cx,
7036 );
7037 button
7038}
7039
7040fn render_inline_blame_entry(
7041 blame_entry: BlameEntry,
7042 style: &EditorStyle,
7043 cx: &mut App,
7044) -> Option<AnyElement> {
7045 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7046 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7047}
7048
7049fn render_blame_entry_popover(
7050 blame_entry: BlameEntry,
7051 scroll_handle: ScrollHandle,
7052 commit_message: Option<ParsedCommitMessage>,
7053 markdown: Entity<Markdown>,
7054 workspace: WeakEntity<Workspace>,
7055 blame: &Entity<GitBlame>,
7056 window: &mut Window,
7057 cx: &mut App,
7058) -> Option<AnyElement> {
7059 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7060 let blame = blame.read(cx);
7061 let repository = blame.repository(cx)?.clone();
7062 renderer.render_blame_entry_popover(
7063 blame_entry,
7064 scroll_handle,
7065 commit_message,
7066 markdown,
7067 repository,
7068 workspace,
7069 window,
7070 cx,
7071 )
7072}
7073
7074fn render_blame_entry(
7075 ix: usize,
7076 blame: &Entity<GitBlame>,
7077 blame_entry: BlameEntry,
7078 style: &EditorStyle,
7079 last_used_color: &mut Option<(PlayerColor, Oid)>,
7080 editor: Entity<Editor>,
7081 workspace: Entity<Workspace>,
7082 renderer: Arc<dyn BlameRenderer>,
7083 cx: &mut App,
7084) -> Option<AnyElement> {
7085 let mut sha_color = cx
7086 .theme()
7087 .players()
7088 .color_for_participant(blame_entry.sha.into());
7089
7090 // If the last color we used is the same as the one we get for this line, but
7091 // the commit SHAs are different, then we try again to get a different color.
7092 match *last_used_color {
7093 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7094 let index: u32 = blame_entry.sha.into();
7095 sha_color = cx.theme().players().color_for_participant(index + 1);
7096 }
7097 _ => {}
7098 };
7099 last_used_color.replace((sha_color, blame_entry.sha));
7100
7101 let blame = blame.read(cx);
7102 let details = blame.details_for_entry(&blame_entry);
7103 let repository = blame.repository(cx)?;
7104 renderer.render_blame_entry(
7105 &style.text,
7106 blame_entry,
7107 details,
7108 repository,
7109 workspace.downgrade(),
7110 editor,
7111 ix,
7112 sha_color.cursor,
7113 cx,
7114 )
7115}
7116
7117#[derive(Debug)]
7118pub(crate) struct LineWithInvisibles {
7119 fragments: SmallVec<[LineFragment; 1]>,
7120 invisibles: Vec<Invisible>,
7121 len: usize,
7122 pub(crate) width: Pixels,
7123 font_size: Pixels,
7124}
7125
7126enum LineFragment {
7127 Text(ShapedLine),
7128 Element {
7129 id: ChunkRendererId,
7130 element: Option<AnyElement>,
7131 size: Size<Pixels>,
7132 len: usize,
7133 },
7134}
7135
7136impl fmt::Debug for LineFragment {
7137 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7138 match self {
7139 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7140 LineFragment::Element { size, len, .. } => f
7141 .debug_struct("Element")
7142 .field("size", size)
7143 .field("len", len)
7144 .finish(),
7145 }
7146 }
7147}
7148
7149impl LineWithInvisibles {
7150 fn from_chunks<'a>(
7151 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7152 editor_style: &EditorStyle,
7153 max_line_len: usize,
7154 max_line_count: usize,
7155 editor_mode: &EditorMode,
7156 text_width: Pixels,
7157 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7158 window: &mut Window,
7159 cx: &mut App,
7160 ) -> Vec<Self> {
7161 let text_style = &editor_style.text;
7162 let mut layouts = Vec::with_capacity(max_line_count);
7163 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7164 let mut line = String::new();
7165 let mut invisibles = Vec::new();
7166 let mut width = Pixels::ZERO;
7167 let mut len = 0;
7168 let mut styles = Vec::new();
7169 let mut non_whitespace_added = false;
7170 let mut row = 0;
7171 let mut line_exceeded_max_len = false;
7172 let font_size = text_style.font_size.to_pixels(window.rem_size());
7173
7174 let ellipsis = SharedString::from("⋯");
7175
7176 for highlighted_chunk in chunks.chain([HighlightedChunk {
7177 text: "\n",
7178 style: None,
7179 is_tab: false,
7180 is_inlay: false,
7181 replacement: None,
7182 }]) {
7183 if let Some(replacement) = highlighted_chunk.replacement {
7184 if !line.is_empty() {
7185 let shaped_line =
7186 window
7187 .text_system()
7188 .shape_line(line.clone().into(), font_size, &styles);
7189 width += shaped_line.width;
7190 len += shaped_line.len;
7191 fragments.push(LineFragment::Text(shaped_line));
7192 line.clear();
7193 styles.clear();
7194 }
7195
7196 match replacement {
7197 ChunkReplacement::Renderer(renderer) => {
7198 let available_width = if renderer.constrain_width {
7199 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7200 ellipsis.clone()
7201 } else {
7202 SharedString::from(Arc::from(highlighted_chunk.text))
7203 };
7204 let shaped_line = window.text_system().shape_line(
7205 chunk,
7206 font_size,
7207 &[text_style.to_run(highlighted_chunk.text.len())],
7208 );
7209 AvailableSpace::Definite(shaped_line.width)
7210 } else {
7211 AvailableSpace::MinContent
7212 };
7213
7214 let mut element = (renderer.render)(&mut ChunkRendererContext {
7215 context: cx,
7216 window,
7217 max_width: text_width,
7218 });
7219 let line_height = text_style.line_height_in_pixels(window.rem_size());
7220 let size = element.layout_as_root(
7221 size(available_width, AvailableSpace::Definite(line_height)),
7222 window,
7223 cx,
7224 );
7225
7226 width += size.width;
7227 len += highlighted_chunk.text.len();
7228 fragments.push(LineFragment::Element {
7229 id: renderer.id,
7230 element: Some(element),
7231 size,
7232 len: highlighted_chunk.text.len(),
7233 });
7234 }
7235 ChunkReplacement::Str(x) => {
7236 let text_style = if let Some(style) = highlighted_chunk.style {
7237 Cow::Owned(text_style.clone().highlight(style))
7238 } else {
7239 Cow::Borrowed(text_style)
7240 };
7241
7242 let run = TextRun {
7243 len: x.len(),
7244 font: text_style.font(),
7245 color: text_style.color,
7246 background_color: text_style.background_color,
7247 underline: text_style.underline,
7248 strikethrough: text_style.strikethrough,
7249 };
7250 let line_layout = window
7251 .text_system()
7252 .shape_line(x, font_size, &[run])
7253 .with_len(highlighted_chunk.text.len());
7254
7255 width += line_layout.width;
7256 len += highlighted_chunk.text.len();
7257 fragments.push(LineFragment::Text(line_layout))
7258 }
7259 }
7260 } else {
7261 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7262 if ix > 0 {
7263 let shaped_line = window.text_system().shape_line(
7264 line.clone().into(),
7265 font_size,
7266 &styles,
7267 );
7268 width += shaped_line.width;
7269 len += shaped_line.len;
7270 fragments.push(LineFragment::Text(shaped_line));
7271 layouts.push(Self {
7272 width: mem::take(&mut width),
7273 len: mem::take(&mut len),
7274 fragments: mem::take(&mut fragments),
7275 invisibles: std::mem::take(&mut invisibles),
7276 font_size,
7277 });
7278
7279 line.clear();
7280 styles.clear();
7281 row += 1;
7282 line_exceeded_max_len = false;
7283 non_whitespace_added = false;
7284 if row == max_line_count {
7285 return layouts;
7286 }
7287 }
7288
7289 if !line_chunk.is_empty() && !line_exceeded_max_len {
7290 let text_style = if let Some(style) = highlighted_chunk.style {
7291 Cow::Owned(text_style.clone().highlight(style))
7292 } else {
7293 Cow::Borrowed(text_style)
7294 };
7295
7296 if line.len() + line_chunk.len() > max_line_len {
7297 let mut chunk_len = max_line_len - line.len();
7298 while !line_chunk.is_char_boundary(chunk_len) {
7299 chunk_len -= 1;
7300 }
7301 line_chunk = &line_chunk[..chunk_len];
7302 line_exceeded_max_len = true;
7303 }
7304
7305 styles.push(TextRun {
7306 len: line_chunk.len(),
7307 font: text_style.font(),
7308 color: text_style.color,
7309 background_color: text_style.background_color,
7310 underline: text_style.underline,
7311 strikethrough: text_style.strikethrough,
7312 });
7313
7314 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7315 // Line wrap pads its contents with fake whitespaces,
7316 // avoid printing them
7317 let is_soft_wrapped = is_row_soft_wrapped(row);
7318 if highlighted_chunk.is_tab {
7319 if non_whitespace_added || !is_soft_wrapped {
7320 invisibles.push(Invisible::Tab {
7321 line_start_offset: line.len(),
7322 line_end_offset: line.len() + line_chunk.len(),
7323 });
7324 }
7325 } else {
7326 invisibles.extend(line_chunk.char_indices().filter_map(
7327 |(index, c)| {
7328 let is_whitespace = c.is_whitespace();
7329 non_whitespace_added |= !is_whitespace;
7330 if is_whitespace
7331 && (non_whitespace_added || !is_soft_wrapped)
7332 {
7333 Some(Invisible::Whitespace {
7334 line_offset: line.len() + index,
7335 })
7336 } else {
7337 None
7338 }
7339 },
7340 ))
7341 }
7342 }
7343
7344 line.push_str(line_chunk);
7345 }
7346 }
7347 }
7348 }
7349
7350 layouts
7351 }
7352
7353 fn prepaint(
7354 &mut self,
7355 line_height: Pixels,
7356 scroll_pixel_position: gpui::Point<Pixels>,
7357 row: DisplayRow,
7358 content_origin: gpui::Point<Pixels>,
7359 line_elements: &mut SmallVec<[AnyElement; 1]>,
7360 window: &mut Window,
7361 cx: &mut App,
7362 ) {
7363 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7364 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7365 for fragment in &mut self.fragments {
7366 match fragment {
7367 LineFragment::Text(line) => {
7368 fragment_origin.x += line.width;
7369 }
7370 LineFragment::Element { element, size, .. } => {
7371 let mut element = element
7372 .take()
7373 .expect("you can't prepaint LineWithInvisibles twice");
7374
7375 // Center the element vertically within the line.
7376 let mut element_origin = fragment_origin;
7377 element_origin.y += (line_height - size.height) / 2.;
7378 element.prepaint_at(element_origin, window, cx);
7379 line_elements.push(element);
7380
7381 fragment_origin.x += size.width;
7382 }
7383 }
7384 }
7385 }
7386
7387 fn draw(
7388 &self,
7389 layout: &EditorLayout,
7390 row: DisplayRow,
7391 content_origin: gpui::Point<Pixels>,
7392 whitespace_setting: ShowWhitespaceSetting,
7393 selection_ranges: &[Range<DisplayPoint>],
7394 window: &mut Window,
7395 cx: &mut App,
7396 ) {
7397 let line_height = layout.position_map.line_height;
7398 let line_y = line_height
7399 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7400
7401 let mut fragment_origin =
7402 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7403
7404 for fragment in &self.fragments {
7405 match fragment {
7406 LineFragment::Text(line) => {
7407 line.paint(fragment_origin, line_height, window, cx)
7408 .log_err();
7409 fragment_origin.x += line.width;
7410 }
7411 LineFragment::Element { size, .. } => {
7412 fragment_origin.x += size.width;
7413 }
7414 }
7415 }
7416
7417 self.draw_invisibles(
7418 selection_ranges,
7419 layout,
7420 content_origin,
7421 line_y,
7422 row,
7423 line_height,
7424 whitespace_setting,
7425 window,
7426 cx,
7427 );
7428 }
7429
7430 fn draw_background(
7431 &self,
7432 layout: &EditorLayout,
7433 row: DisplayRow,
7434 content_origin: gpui::Point<Pixels>,
7435 window: &mut Window,
7436 cx: &mut App,
7437 ) {
7438 let line_height = layout.position_map.line_height;
7439 let line_y = line_height
7440 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7441
7442 let mut fragment_origin =
7443 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7444
7445 for fragment in &self.fragments {
7446 match fragment {
7447 LineFragment::Text(line) => {
7448 line.paint_background(fragment_origin, line_height, window, cx)
7449 .log_err();
7450 fragment_origin.x += line.width;
7451 }
7452 LineFragment::Element { size, .. } => {
7453 fragment_origin.x += size.width;
7454 }
7455 }
7456 }
7457 }
7458
7459 fn draw_invisibles(
7460 &self,
7461 selection_ranges: &[Range<DisplayPoint>],
7462 layout: &EditorLayout,
7463 content_origin: gpui::Point<Pixels>,
7464 line_y: Pixels,
7465 row: DisplayRow,
7466 line_height: Pixels,
7467 whitespace_setting: ShowWhitespaceSetting,
7468 window: &mut Window,
7469 cx: &mut App,
7470 ) {
7471 let extract_whitespace_info = |invisible: &Invisible| {
7472 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7473 Invisible::Tab {
7474 line_start_offset,
7475 line_end_offset,
7476 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7477 Invisible::Whitespace { line_offset } => {
7478 (*line_offset, line_offset + 1, &layout.space_invisible)
7479 }
7480 };
7481
7482 let x_offset = self.x_for_index(token_offset);
7483 let invisible_offset =
7484 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7485 let origin = content_origin
7486 + gpui::point(
7487 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7488 line_y,
7489 );
7490
7491 (
7492 [token_offset, token_end_offset],
7493 Box::new(move |window: &mut Window, cx: &mut App| {
7494 invisible_symbol
7495 .paint(origin, line_height, window, cx)
7496 .log_err();
7497 }),
7498 )
7499 };
7500
7501 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7502 match whitespace_setting {
7503 ShowWhitespaceSetting::None => (),
7504 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7505 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7506 let invisible_point = DisplayPoint::new(row, start as u32);
7507 if !selection_ranges
7508 .iter()
7509 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7510 {
7511 return;
7512 }
7513
7514 paint(window, cx);
7515 }),
7516
7517 ShowWhitespaceSetting::Trailing => {
7518 let mut previous_start = self.len;
7519 for ([start, end], paint) in invisible_iter.rev() {
7520 if previous_start != end {
7521 break;
7522 }
7523 previous_start = start;
7524 paint(window, cx);
7525 }
7526 }
7527
7528 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7529 // - It is a tab
7530 // - It is adjacent to an edge (start or end)
7531 // - It is adjacent to a whitespace (left or right)
7532 ShowWhitespaceSetting::Boundary => {
7533 // 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
7534 // the above cases.
7535 // Note: We zip in the original `invisibles` to check for tab equality
7536 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7537 for (([start, end], paint), invisible) in
7538 invisible_iter.zip_eq(self.invisibles.iter())
7539 {
7540 let should_render = match (&last_seen, invisible) {
7541 (_, Invisible::Tab { .. }) => true,
7542 (Some((_, last_end, _)), _) => *last_end == start,
7543 _ => false,
7544 };
7545
7546 if should_render || start == 0 || end == self.len {
7547 paint(window, cx);
7548
7549 // Since we are scanning from the left, we will skip over the first available whitespace that is part
7550 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
7551 if let Some((should_render_last, last_end, paint_last)) = last_seen {
7552 // Note that we need to make sure that the last one is actually adjacent
7553 if !should_render_last && last_end == start {
7554 paint_last(window, cx);
7555 }
7556 }
7557 }
7558
7559 // Manually render anything within a selection
7560 let invisible_point = DisplayPoint::new(row, start as u32);
7561 if selection_ranges.iter().any(|region| {
7562 region.start <= invisible_point && invisible_point < region.end
7563 }) {
7564 paint(window, cx);
7565 }
7566
7567 last_seen = Some((should_render, end, paint));
7568 }
7569 }
7570 }
7571 }
7572
7573 pub fn x_for_index(&self, index: usize) -> Pixels {
7574 let mut fragment_start_x = Pixels::ZERO;
7575 let mut fragment_start_index = 0;
7576
7577 for fragment in &self.fragments {
7578 match fragment {
7579 LineFragment::Text(shaped_line) => {
7580 let fragment_end_index = fragment_start_index + shaped_line.len;
7581 if index < fragment_end_index {
7582 return fragment_start_x
7583 + shaped_line.x_for_index(index - fragment_start_index);
7584 }
7585 fragment_start_x += shaped_line.width;
7586 fragment_start_index = fragment_end_index;
7587 }
7588 LineFragment::Element { len, size, .. } => {
7589 let fragment_end_index = fragment_start_index + len;
7590 if index < fragment_end_index {
7591 return fragment_start_x;
7592 }
7593 fragment_start_x += size.width;
7594 fragment_start_index = fragment_end_index;
7595 }
7596 }
7597 }
7598
7599 fragment_start_x
7600 }
7601
7602 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
7603 let mut fragment_start_x = Pixels::ZERO;
7604 let mut fragment_start_index = 0;
7605
7606 for fragment in &self.fragments {
7607 match fragment {
7608 LineFragment::Text(shaped_line) => {
7609 let fragment_end_x = fragment_start_x + shaped_line.width;
7610 if x < fragment_end_x {
7611 return Some(
7612 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
7613 );
7614 }
7615 fragment_start_x = fragment_end_x;
7616 fragment_start_index += shaped_line.len;
7617 }
7618 LineFragment::Element { len, size, .. } => {
7619 let fragment_end_x = fragment_start_x + size.width;
7620 if x < fragment_end_x {
7621 return Some(fragment_start_index);
7622 }
7623 fragment_start_index += len;
7624 fragment_start_x = fragment_end_x;
7625 }
7626 }
7627 }
7628
7629 None
7630 }
7631
7632 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
7633 let mut fragment_start_index = 0;
7634
7635 for fragment in &self.fragments {
7636 match fragment {
7637 LineFragment::Text(shaped_line) => {
7638 let fragment_end_index = fragment_start_index + shaped_line.len;
7639 if index < fragment_end_index {
7640 return shaped_line.font_id_for_index(index - fragment_start_index);
7641 }
7642 fragment_start_index = fragment_end_index;
7643 }
7644 LineFragment::Element { len, .. } => {
7645 let fragment_end_index = fragment_start_index + len;
7646 if index < fragment_end_index {
7647 return None;
7648 }
7649 fragment_start_index = fragment_end_index;
7650 }
7651 }
7652 }
7653
7654 None
7655 }
7656}
7657
7658#[derive(Debug, Clone, Copy, PartialEq, Eq)]
7659enum Invisible {
7660 /// A tab character
7661 ///
7662 /// A tab character is internally represented by spaces (configured by the user's tab width)
7663 /// aligned to the nearest column, so it's necessary to store the start and end offset for
7664 /// adjacency checks.
7665 Tab {
7666 line_start_offset: usize,
7667 line_end_offset: usize,
7668 },
7669 Whitespace {
7670 line_offset: usize,
7671 },
7672}
7673
7674impl EditorElement {
7675 /// Returns the rem size to use when rendering the [`EditorElement`].
7676 ///
7677 /// This allows UI elements to scale based on the `buffer_font_size`.
7678 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
7679 match self.editor.read(cx).mode {
7680 EditorMode::Full {
7681 scale_ui_elements_with_buffer_font_size: true,
7682 ..
7683 }
7684 | EditorMode::Minimap { .. } => {
7685 let buffer_font_size = self.style.text.font_size;
7686 match buffer_font_size {
7687 AbsoluteLength::Pixels(pixels) => {
7688 let rem_size_scale = {
7689 // Our default UI font size is 14px on a 16px base scale.
7690 // This means the default UI font size is 0.875rems.
7691 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
7692
7693 // We then determine the delta between a single rem and the default font
7694 // size scale.
7695 let default_font_size_delta = 1. - default_font_size_scale;
7696
7697 // Finally, we add this delta to 1rem to get the scale factor that
7698 // should be used to scale up the UI.
7699 1. + default_font_size_delta
7700 };
7701
7702 Some(pixels * rem_size_scale)
7703 }
7704 AbsoluteLength::Rems(rems) => {
7705 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
7706 }
7707 }
7708 }
7709 // We currently use single-line and auto-height editors in UI contexts,
7710 // so we don't want to scale everything with the buffer font size, as it
7711 // ends up looking off.
7712 _ => None,
7713 }
7714 }
7715
7716 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
7717 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
7718 parent.upgrade()
7719 } else {
7720 Some(self.editor.clone())
7721 }
7722 }
7723}
7724
7725impl Element for EditorElement {
7726 type RequestLayoutState = ();
7727 type PrepaintState = EditorLayout;
7728
7729 fn id(&self) -> Option<ElementId> {
7730 None
7731 }
7732
7733 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
7734 None
7735 }
7736
7737 fn request_layout(
7738 &mut self,
7739 _: Option<&GlobalElementId>,
7740 _inspector_id: Option<&gpui::InspectorElementId>,
7741 window: &mut Window,
7742 cx: &mut App,
7743 ) -> (gpui::LayoutId, ()) {
7744 let rem_size = self.rem_size(cx);
7745 window.with_rem_size(rem_size, |window| {
7746 self.editor.update(cx, |editor, cx| {
7747 editor.set_style(self.style.clone(), window, cx);
7748
7749 let layout_id = match editor.mode {
7750 EditorMode::SingleLine { auto_width } => {
7751 let rem_size = window.rem_size();
7752
7753 let height = self.style.text.line_height_in_pixels(rem_size);
7754 if auto_width {
7755 let editor_handle = cx.entity().clone();
7756 let style = self.style.clone();
7757 window.request_measured_layout(
7758 Style::default(),
7759 move |_, _, window, cx| {
7760 let editor_snapshot = editor_handle
7761 .update(cx, |editor, cx| editor.snapshot(window, cx));
7762 let line = Self::layout_lines(
7763 DisplayRow(0)..DisplayRow(1),
7764 &editor_snapshot,
7765 &style,
7766 px(f32::MAX),
7767 |_| false, // Single lines never soft wrap
7768 window,
7769 cx,
7770 )
7771 .pop()
7772 .unwrap();
7773
7774 let font_id =
7775 window.text_system().resolve_font(&style.text.font());
7776 let font_size =
7777 style.text.font_size.to_pixels(window.rem_size());
7778 let em_width =
7779 window.text_system().em_width(font_id, font_size).unwrap();
7780
7781 size(line.width + em_width, height)
7782 },
7783 )
7784 } else {
7785 let mut style = Style::default();
7786 style.size.height = height.into();
7787 style.size.width = relative(1.).into();
7788 window.request_layout(style, None, cx)
7789 }
7790 }
7791 EditorMode::AutoHeight {
7792 min_lines,
7793 max_lines,
7794 } => {
7795 let editor_handle = cx.entity().clone();
7796 let max_line_number_width =
7797 self.max_line_number_width(&editor.snapshot(window, cx), window);
7798 window.request_measured_layout(
7799 Style::default(),
7800 move |known_dimensions, available_space, window, cx| {
7801 editor_handle
7802 .update(cx, |editor, cx| {
7803 compute_auto_height_layout(
7804 editor,
7805 min_lines,
7806 max_lines,
7807 max_line_number_width,
7808 known_dimensions,
7809 available_space.width,
7810 window,
7811 cx,
7812 )
7813 })
7814 .unwrap_or_default()
7815 },
7816 )
7817 }
7818 EditorMode::Minimap { .. } => {
7819 let mut style = Style::default();
7820 style.size.width = relative(1.).into();
7821 style.size.height = relative(1.).into();
7822 window.request_layout(style, None, cx)
7823 }
7824 EditorMode::Full {
7825 sized_by_content, ..
7826 } => {
7827 let mut style = Style::default();
7828 style.size.width = relative(1.).into();
7829 if sized_by_content {
7830 let snapshot = editor.snapshot(window, cx);
7831 let line_height =
7832 self.style.text.line_height_in_pixels(window.rem_size());
7833 let scroll_height =
7834 (snapshot.max_point().row().next_row().0 as f32) * line_height;
7835 style.size.height = scroll_height.into();
7836 } else {
7837 style.size.height = relative(1.).into();
7838 }
7839 window.request_layout(style, None, cx)
7840 }
7841 };
7842
7843 (layout_id, ())
7844 })
7845 })
7846 }
7847
7848 fn prepaint(
7849 &mut self,
7850 _: Option<&GlobalElementId>,
7851 _inspector_id: Option<&gpui::InspectorElementId>,
7852 bounds: Bounds<Pixels>,
7853 _: &mut Self::RequestLayoutState,
7854 window: &mut Window,
7855 cx: &mut App,
7856 ) -> Self::PrepaintState {
7857 let text_style = TextStyleRefinement {
7858 font_size: Some(self.style.text.font_size),
7859 line_height: Some(self.style.text.line_height),
7860 ..Default::default()
7861 };
7862 let focus_handle = self.editor.focus_handle(cx);
7863 window.set_view_id(self.editor.entity_id());
7864 window.set_focus_handle(&focus_handle, cx);
7865
7866 let rem_size = self.rem_size(cx);
7867 window.with_rem_size(rem_size, |window| {
7868 window.with_text_style(Some(text_style), |window| {
7869 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7870 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
7871 (editor.snapshot(window, cx), editor.read_only(cx))
7872 });
7873 let style = self.style.clone();
7874
7875 let rem_size = window.rem_size();
7876 let font_id = window.text_system().resolve_font(&style.text.font());
7877 let font_size = style.text.font_size.to_pixels(rem_size);
7878 let line_height = style.text.line_height_in_pixels(rem_size);
7879 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
7880 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
7881 let glyph_grid_cell = size(em_advance, line_height);
7882
7883 let gutter_dimensions = snapshot
7884 .gutter_dimensions(
7885 font_id,
7886 font_size,
7887 self.max_line_number_width(&snapshot, window),
7888 cx,
7889 )
7890 .or_else(|| {
7891 self.editor.read(cx).offset_content.then(|| {
7892 GutterDimensions::default_with_margin(font_id, font_size, cx)
7893 })
7894 })
7895 .unwrap_or_default();
7896 let text_width = bounds.size.width - gutter_dimensions.width;
7897
7898 let settings = EditorSettings::get_global(cx);
7899 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
7900 let vertical_scrollbar_width = (scrollbars_shown
7901 && settings.scrollbar.axes.vertical
7902 && self.editor.read(cx).show_scrollbars.vertical)
7903 .then_some(style.scrollbar_width)
7904 .unwrap_or_default();
7905 let minimap_width = self
7906 .get_minimap_width(
7907 &settings.minimap,
7908 scrollbars_shown,
7909 text_width,
7910 em_width,
7911 font_size,
7912 rem_size,
7913 cx,
7914 )
7915 .unwrap_or_default();
7916
7917 let right_margin = minimap_width + vertical_scrollbar_width;
7918
7919 let editor_width =
7920 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
7921 let editor_margins = EditorMargins {
7922 gutter: gutter_dimensions,
7923 right: right_margin,
7924 };
7925
7926 // Offset the content_bounds from the text_bounds by the gutter margin (which
7927 // is roughly half a character wide) to make hit testing work more like how we want.
7928 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
7929
7930 let editor_content_width = editor_width - content_offset.x;
7931
7932 snapshot = self.editor.update(cx, |editor, cx| {
7933 editor.last_bounds = Some(bounds);
7934 editor.gutter_dimensions = gutter_dimensions;
7935 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
7936
7937 if matches!(
7938 editor.mode,
7939 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
7940 ) {
7941 snapshot
7942 } else {
7943 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
7944 let wrap_width = match editor.soft_wrap_mode(cx) {
7945 SoftWrap::GitDiff => None,
7946 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
7947 SoftWrap::EditorWidth => Some(editor_content_width),
7948 SoftWrap::Column(column) => Some(wrap_width_for(column)),
7949 SoftWrap::Bounded(column) => {
7950 Some(editor_content_width.min(wrap_width_for(column)))
7951 }
7952 };
7953
7954 if editor.set_wrap_width(wrap_width, cx) {
7955 editor.snapshot(window, cx)
7956 } else {
7957 snapshot
7958 }
7959 }
7960 });
7961
7962 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
7963 let gutter_hitbox = window.insert_hitbox(
7964 gutter_bounds(bounds, gutter_dimensions),
7965 HitboxBehavior::Normal,
7966 );
7967 let text_hitbox = window.insert_hitbox(
7968 Bounds {
7969 origin: gutter_hitbox.top_right(),
7970 size: size(text_width, bounds.size.height),
7971 },
7972 HitboxBehavior::Normal,
7973 );
7974
7975 let content_origin = text_hitbox.origin + content_offset;
7976
7977 let editor_text_bounds =
7978 Bounds::from_corners(content_origin, bounds.bottom_right());
7979
7980 let height_in_lines = editor_text_bounds.size.height / line_height;
7981
7982 let max_row = snapshot.max_point().row().as_f32();
7983
7984 // The max scroll position for the top of the window
7985 let max_scroll_top = if matches!(
7986 snapshot.mode,
7987 EditorMode::SingleLine { .. }
7988 | EditorMode::AutoHeight { .. }
7989 | EditorMode::Full {
7990 sized_by_content: true,
7991 ..
7992 }
7993 ) {
7994 (max_row - height_in_lines + 1.).max(0.)
7995 } else {
7996 let settings = EditorSettings::get_global(cx);
7997 match settings.scroll_beyond_last_line {
7998 ScrollBeyondLastLine::OnePage => max_row,
7999 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8000 ScrollBeyondLastLine::VerticalScrollMargin => {
8001 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8002 .max(0.)
8003 }
8004 }
8005 };
8006
8007 // TODO: Autoscrolling for both axes
8008 let mut autoscroll_request = None;
8009 let mut autoscroll_containing_element = false;
8010 let mut autoscroll_horizontally = false;
8011 self.editor.update(cx, |editor, cx| {
8012 autoscroll_request = editor.autoscroll_request();
8013 autoscroll_containing_element =
8014 autoscroll_request.is_some() || editor.has_pending_selection();
8015 // TODO: Is this horizontal or vertical?!
8016 autoscroll_horizontally = editor.autoscroll_vertically(
8017 bounds,
8018 line_height,
8019 max_scroll_top,
8020 window,
8021 cx,
8022 );
8023 snapshot = editor.snapshot(window, cx);
8024 });
8025
8026 let mut scroll_position = snapshot.scroll_position();
8027 // The scroll position is a fractional point, the whole number of which represents
8028 // the top of the window in terms of display rows.
8029 let start_row = DisplayRow(scroll_position.y as u32);
8030 let max_row = snapshot.max_point().row();
8031 let end_row = cmp::min(
8032 (scroll_position.y + height_in_lines).ceil() as u32,
8033 max_row.next_row().0,
8034 );
8035 let end_row = DisplayRow(end_row);
8036
8037 let row_infos = snapshot
8038 .row_infos(start_row)
8039 .take((start_row..end_row).len())
8040 .collect::<Vec<RowInfo>>();
8041 let is_row_soft_wrapped = |row: usize| {
8042 row_infos
8043 .get(row)
8044 .map_or(true, |info| info.buffer_row.is_none())
8045 };
8046
8047 let start_anchor = if start_row == Default::default() {
8048 Anchor::min()
8049 } else {
8050 snapshot.buffer_snapshot.anchor_before(
8051 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8052 )
8053 };
8054 let end_anchor = if end_row > max_row {
8055 Anchor::max()
8056 } else {
8057 snapshot.buffer_snapshot.anchor_before(
8058 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8059 )
8060 };
8061
8062 let mut highlighted_rows = self
8063 .editor
8064 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8065
8066 let is_light = cx.theme().appearance().is_light();
8067
8068 for (ix, row_info) in row_infos.iter().enumerate() {
8069 let Some(diff_status) = row_info.diff_status else {
8070 continue;
8071 };
8072
8073 let background_color = match diff_status.kind {
8074 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8075 DiffHunkStatusKind::Deleted => {
8076 cx.theme().colors().version_control_deleted
8077 }
8078 DiffHunkStatusKind::Modified => {
8079 debug_panic!("modified diff status for row info");
8080 continue;
8081 }
8082 };
8083
8084 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8085
8086 let hollow_highlight = LineHighlight {
8087 background: (background_color.opacity(if is_light {
8088 0.08
8089 } else {
8090 0.06
8091 }))
8092 .into(),
8093 border: Some(if is_light {
8094 background_color.opacity(0.48)
8095 } else {
8096 background_color.opacity(0.36)
8097 }),
8098 include_gutter: true,
8099 type_id: None,
8100 };
8101
8102 let filled_highlight = LineHighlight {
8103 background: solid_background(background_color.opacity(hunk_opacity)),
8104 border: None,
8105 include_gutter: true,
8106 type_id: None,
8107 };
8108
8109 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8110 hollow_highlight
8111 } else {
8112 filled_highlight
8113 };
8114
8115 highlighted_rows
8116 .entry(start_row + DisplayRow(ix as u32))
8117 .or_insert(background);
8118 }
8119
8120 let highlighted_ranges = self
8121 .editor_with_selections(cx)
8122 .map(|editor| {
8123 editor.read(cx).background_highlights_in_range(
8124 start_anchor..end_anchor,
8125 &snapshot.display_snapshot,
8126 cx.theme(),
8127 )
8128 })
8129 .unwrap_or_default();
8130 let highlighted_gutter_ranges =
8131 self.editor.read(cx).gutter_highlights_in_range(
8132 start_anchor..end_anchor,
8133 &snapshot.display_snapshot,
8134 cx,
8135 );
8136
8137 let document_colors = self
8138 .editor
8139 .read(cx)
8140 .colors
8141 .as_ref()
8142 .map(|colors| colors.editor_display_highlights(&snapshot));
8143 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8144 start_anchor..end_anchor,
8145 &snapshot.display_snapshot,
8146 cx,
8147 );
8148
8149 let (local_selections, selected_buffer_ids): (
8150 Vec<Selection<Point>>,
8151 Vec<BufferId>,
8152 ) = self
8153 .editor_with_selections(cx)
8154 .map(|editor| {
8155 editor.update(cx, |editor, cx| {
8156 let all_selections = editor.selections.all::<Point>(cx);
8157 let selected_buffer_ids = if editor.is_singleton(cx) {
8158 Vec::new()
8159 } else {
8160 let mut selected_buffer_ids =
8161 Vec::with_capacity(all_selections.len());
8162
8163 for selection in all_selections {
8164 for buffer_id in snapshot
8165 .buffer_snapshot
8166 .buffer_ids_for_range(selection.range())
8167 {
8168 if selected_buffer_ids.last() != Some(&buffer_id) {
8169 selected_buffer_ids.push(buffer_id);
8170 }
8171 }
8172 }
8173
8174 selected_buffer_ids
8175 };
8176
8177 let mut selections = editor
8178 .selections
8179 .disjoint_in_range(start_anchor..end_anchor, cx);
8180 selections.extend(editor.selections.pending(cx));
8181
8182 (selections, selected_buffer_ids)
8183 })
8184 })
8185 .unwrap_or_default();
8186
8187 let (selections, mut active_rows, newest_selection_head) = self
8188 .layout_selections(
8189 start_anchor,
8190 end_anchor,
8191 &local_selections,
8192 &snapshot,
8193 start_row,
8194 end_row,
8195 window,
8196 cx,
8197 );
8198 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8199 editor.active_breakpoints(start_row..end_row, window, cx)
8200 });
8201 for (display_row, (_, bp, state)) in &breakpoint_rows {
8202 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8203 active_rows.entry(*display_row).or_default().breakpoint = true;
8204 }
8205 }
8206
8207 let line_numbers = self.layout_line_numbers(
8208 Some(&gutter_hitbox),
8209 gutter_dimensions,
8210 line_height,
8211 scroll_position,
8212 start_row..end_row,
8213 &row_infos,
8214 &active_rows,
8215 newest_selection_head,
8216 &snapshot,
8217 window,
8218 cx,
8219 );
8220
8221 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8222 // line numbers so we don't paint a line number debug accent color if a user
8223 // has their mouse over that line when a breakpoint isn't there
8224 self.editor.update(cx, |editor, _| {
8225 if let Some(phantom_breakpoint) = &mut editor
8226 .gutter_breakpoint_indicator
8227 .0
8228 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8229 {
8230 // Is there a non-phantom breakpoint on this line?
8231 phantom_breakpoint.collides_with_existing_breakpoint = true;
8232 breakpoint_rows
8233 .entry(phantom_breakpoint.display_row)
8234 .or_insert_with(|| {
8235 let position = snapshot.display_point_to_anchor(
8236 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8237 Bias::Right,
8238 );
8239 let breakpoint = Breakpoint::new_standard();
8240 phantom_breakpoint.collides_with_existing_breakpoint = false;
8241 (position, breakpoint, None)
8242 });
8243 }
8244 });
8245
8246 let mut expand_toggles =
8247 window.with_element_namespace("expand_toggles", |window| {
8248 self.layout_expand_toggles(
8249 &gutter_hitbox,
8250 gutter_dimensions,
8251 em_width,
8252 line_height,
8253 scroll_position,
8254 &row_infos,
8255 window,
8256 cx,
8257 )
8258 });
8259
8260 let mut crease_toggles =
8261 window.with_element_namespace("crease_toggles", |window| {
8262 self.layout_crease_toggles(
8263 start_row..end_row,
8264 &row_infos,
8265 &active_rows,
8266 &snapshot,
8267 window,
8268 cx,
8269 )
8270 });
8271 let crease_trailers =
8272 window.with_element_namespace("crease_trailers", |window| {
8273 self.layout_crease_trailers(
8274 row_infos.iter().copied(),
8275 &snapshot,
8276 window,
8277 cx,
8278 )
8279 });
8280
8281 let display_hunks = self.layout_gutter_diff_hunks(
8282 line_height,
8283 &gutter_hitbox,
8284 start_row..end_row,
8285 &snapshot,
8286 window,
8287 cx,
8288 );
8289
8290 let mut line_layouts = Self::layout_lines(
8291 start_row..end_row,
8292 &snapshot,
8293 &self.style,
8294 editor_width,
8295 is_row_soft_wrapped,
8296 window,
8297 cx,
8298 );
8299 let new_renrerer_widths = line_layouts
8300 .iter()
8301 .flat_map(|layout| &layout.fragments)
8302 .filter_map(|fragment| {
8303 if let LineFragment::Element { id, size, .. } = fragment {
8304 Some((*id, size.width))
8305 } else {
8306 None
8307 }
8308 });
8309 if self.editor.update(cx, |editor, cx| {
8310 editor.update_renderer_widths(new_renrerer_widths, cx)
8311 }) {
8312 // If the fold widths have changed, we need to prepaint
8313 // the element again to account for any changes in
8314 // wrapping.
8315 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8316 }
8317
8318 let longest_line_blame_width = self
8319 .editor
8320 .update(cx, |editor, cx| {
8321 if !editor.show_git_blame_inline {
8322 return None;
8323 }
8324 let blame = editor.blame.as_ref()?;
8325 let blame_entry = blame
8326 .update(cx, |blame, cx| {
8327 let row_infos =
8328 snapshot.row_infos(snapshot.longest_row()).next()?;
8329 blame.blame_for_rows(&[row_infos], cx).next()
8330 })
8331 .flatten()?;
8332 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8333 let inline_blame_padding = INLINE_BLAME_PADDING_EM_WIDTHS * em_advance;
8334 Some(
8335 element
8336 .layout_as_root(AvailableSpace::min_size(), window, cx)
8337 .width
8338 + inline_blame_padding,
8339 )
8340 })
8341 .unwrap_or(Pixels::ZERO);
8342
8343 let longest_line_width = layout_line(
8344 snapshot.longest_row(),
8345 &snapshot,
8346 &style,
8347 editor_width,
8348 is_row_soft_wrapped,
8349 window,
8350 cx,
8351 )
8352 .width;
8353
8354 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8355 text_hitbox.bounds,
8356 glyph_grid_cell,
8357 size(longest_line_width, max_row.as_f32() * line_height),
8358 longest_line_blame_width,
8359 editor_width,
8360 EditorSettings::get_global(cx),
8361 );
8362
8363 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8364
8365 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8366 snapshot.sticky_header_excerpt(scroll_position.y)
8367 } else {
8368 None
8369 };
8370 let sticky_header_excerpt_id =
8371 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8372
8373 let blocks = window.with_element_namespace("blocks", |window| {
8374 self.render_blocks(
8375 start_row..end_row,
8376 &snapshot,
8377 &hitbox,
8378 &text_hitbox,
8379 editor_width,
8380 &mut scroll_width,
8381 &editor_margins,
8382 em_width,
8383 gutter_dimensions.full_width(),
8384 line_height,
8385 &mut line_layouts,
8386 &local_selections,
8387 &selected_buffer_ids,
8388 is_row_soft_wrapped,
8389 sticky_header_excerpt_id,
8390 window,
8391 cx,
8392 )
8393 });
8394 let (mut blocks, row_block_types) = match blocks {
8395 Ok(blocks) => blocks,
8396 Err(resized_blocks) => {
8397 self.editor.update(cx, |editor, cx| {
8398 editor.resize_blocks(resized_blocks, autoscroll_request, cx)
8399 });
8400 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8401 }
8402 };
8403
8404 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8405 window.with_element_namespace("blocks", |window| {
8406 self.layout_sticky_buffer_header(
8407 sticky_header_excerpt,
8408 scroll_position.y,
8409 line_height,
8410 right_margin,
8411 &snapshot,
8412 &hitbox,
8413 &selected_buffer_ids,
8414 &blocks,
8415 window,
8416 cx,
8417 )
8418 })
8419 });
8420
8421 let start_buffer_row =
8422 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8423 let end_buffer_row =
8424 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8425
8426 let scroll_max = point(
8427 ((scroll_width - editor_content_width) / em_advance).max(0.0),
8428 max_scroll_top,
8429 );
8430
8431 self.editor.update(cx, |editor, cx| {
8432 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8433
8434 let autoscrolled = if autoscroll_horizontally {
8435 editor.autoscroll_horizontally(
8436 start_row,
8437 editor_content_width,
8438 scroll_width,
8439 em_advance,
8440 &line_layouts,
8441 cx,
8442 )
8443 } else {
8444 false
8445 };
8446
8447 if clamped || autoscrolled {
8448 snapshot = editor.snapshot(window, cx);
8449 scroll_position = snapshot.scroll_position();
8450 }
8451 });
8452
8453 let scroll_pixel_position = point(
8454 scroll_position.x * em_advance,
8455 scroll_position.y * line_height,
8456 );
8457 let indent_guides = self.layout_indent_guides(
8458 content_origin,
8459 text_hitbox.origin,
8460 start_buffer_row..end_buffer_row,
8461 scroll_pixel_position,
8462 line_height,
8463 &snapshot,
8464 window,
8465 cx,
8466 );
8467
8468 let crease_trailers =
8469 window.with_element_namespace("crease_trailers", |window| {
8470 self.prepaint_crease_trailers(
8471 crease_trailers,
8472 &line_layouts,
8473 line_height,
8474 content_origin,
8475 scroll_pixel_position,
8476 em_width,
8477 window,
8478 cx,
8479 )
8480 });
8481
8482 let (inline_completion_popover, inline_completion_popover_origin) = self
8483 .editor
8484 .update(cx, |editor, cx| {
8485 editor.render_edit_prediction_popover(
8486 &text_hitbox.bounds,
8487 content_origin,
8488 right_margin,
8489 &snapshot,
8490 start_row..end_row,
8491 scroll_position.y,
8492 scroll_position.y + height_in_lines,
8493 &line_layouts,
8494 line_height,
8495 scroll_pixel_position,
8496 newest_selection_head,
8497 editor_width,
8498 &style,
8499 window,
8500 cx,
8501 )
8502 })
8503 .unzip();
8504
8505 let mut inline_diagnostics = self.layout_inline_diagnostics(
8506 &line_layouts,
8507 &crease_trailers,
8508 &row_block_types,
8509 content_origin,
8510 scroll_pixel_position,
8511 inline_completion_popover_origin,
8512 start_row,
8513 end_row,
8514 line_height,
8515 em_width,
8516 &style,
8517 window,
8518 cx,
8519 );
8520
8521 let mut inline_blame_layout = None;
8522 let mut inline_code_actions = None;
8523 if let Some(newest_selection_head) = newest_selection_head {
8524 let display_row = newest_selection_head.row();
8525 if (start_row..end_row).contains(&display_row)
8526 && !row_block_types.contains_key(&display_row)
8527 {
8528 inline_code_actions = self.layout_inline_code_actions(
8529 newest_selection_head,
8530 content_origin,
8531 scroll_pixel_position,
8532 line_height,
8533 &snapshot,
8534 window,
8535 cx,
8536 );
8537
8538 let line_ix = display_row.minus(start_row) as usize;
8539 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8540 row_infos.get(line_ix),
8541 line_layouts.get(line_ix),
8542 crease_trailers.get(line_ix),
8543 ) {
8544 let crease_trailer_layout = crease_trailer.as_ref();
8545 if let Some(layout) = self.layout_inline_blame(
8546 display_row,
8547 row_info,
8548 line_layout,
8549 crease_trailer_layout,
8550 em_width,
8551 content_origin,
8552 scroll_pixel_position,
8553 line_height,
8554 &text_hitbox,
8555 window,
8556 cx,
8557 ) {
8558 inline_blame_layout = Some(layout);
8559 // Blame overrides inline diagnostics
8560 inline_diagnostics.remove(&display_row);
8561 }
8562 } else {
8563 log::error!(
8564 "bug: line_ix {} is out of bounds - row_infos.len(): {}, line_layouts.len(): {}, crease_trailers.len(): {}",
8565 line_ix,
8566 row_infos.len(),
8567 line_layouts.len(),
8568 crease_trailers.len(),
8569 );
8570 }
8571 }
8572 }
8573
8574 let blamed_display_rows = self.layout_blame_entries(
8575 &row_infos,
8576 em_width,
8577 scroll_position,
8578 line_height,
8579 &gutter_hitbox,
8580 gutter_dimensions.git_blame_entries_width,
8581 window,
8582 cx,
8583 );
8584
8585 self.editor.update(cx, |editor, cx| {
8586 let clamped = editor.scroll_manager.clamp_scroll_left(scroll_max.x);
8587
8588 let autoscrolled = if autoscroll_horizontally {
8589 editor.autoscroll_horizontally(
8590 start_row,
8591 editor_content_width,
8592 scroll_width,
8593 em_advance,
8594 &line_layouts,
8595 cx,
8596 )
8597 } else {
8598 false
8599 };
8600
8601 if clamped || autoscrolled {
8602 snapshot = editor.snapshot(window, cx);
8603 scroll_position = snapshot.scroll_position();
8604 }
8605 });
8606
8607 let line_elements = self.prepaint_lines(
8608 start_row,
8609 &mut line_layouts,
8610 line_height,
8611 scroll_pixel_position,
8612 content_origin,
8613 window,
8614 cx,
8615 );
8616
8617 window.with_element_namespace("blocks", |window| {
8618 self.layout_blocks(
8619 &mut blocks,
8620 &hitbox,
8621 line_height,
8622 scroll_pixel_position,
8623 window,
8624 cx,
8625 );
8626 });
8627
8628 let cursors = self.collect_cursors(&snapshot, cx);
8629 let visible_row_range = start_row..end_row;
8630 let non_visible_cursors = cursors
8631 .iter()
8632 .any(|c| !visible_row_range.contains(&c.0.row()));
8633
8634 let visible_cursors = self.layout_visible_cursors(
8635 &snapshot,
8636 &selections,
8637 &row_block_types,
8638 start_row..end_row,
8639 &line_layouts,
8640 &text_hitbox,
8641 content_origin,
8642 scroll_position,
8643 scroll_pixel_position,
8644 line_height,
8645 em_width,
8646 em_advance,
8647 autoscroll_containing_element,
8648 window,
8649 cx,
8650 );
8651
8652 let scrollbars_layout = self.layout_scrollbars(
8653 &snapshot,
8654 &scrollbar_layout_information,
8655 content_offset,
8656 scroll_position,
8657 non_visible_cursors,
8658 right_margin,
8659 editor_width,
8660 window,
8661 cx,
8662 );
8663
8664 let gutter_settings = EditorSettings::get_global(cx).gutter;
8665
8666 let context_menu_layout =
8667 if let Some(newest_selection_head) = newest_selection_head {
8668 let newest_selection_point =
8669 newest_selection_head.to_point(&snapshot.display_snapshot);
8670 if (start_row..end_row).contains(&newest_selection_head.row()) {
8671 self.layout_cursor_popovers(
8672 line_height,
8673 &text_hitbox,
8674 content_origin,
8675 right_margin,
8676 start_row,
8677 scroll_pixel_position,
8678 &line_layouts,
8679 newest_selection_head,
8680 newest_selection_point,
8681 &style,
8682 window,
8683 cx,
8684 )
8685 } else {
8686 None
8687 }
8688 } else {
8689 None
8690 };
8691
8692 self.layout_gutter_menu(
8693 line_height,
8694 &text_hitbox,
8695 content_origin,
8696 right_margin,
8697 scroll_pixel_position,
8698 gutter_dimensions.width - gutter_dimensions.left_padding,
8699 window,
8700 cx,
8701 );
8702
8703 let test_indicators = if gutter_settings.runnables {
8704 self.layout_run_indicators(
8705 line_height,
8706 start_row..end_row,
8707 &row_infos,
8708 scroll_pixel_position,
8709 &gutter_dimensions,
8710 &gutter_hitbox,
8711 &display_hunks,
8712 &snapshot,
8713 &mut breakpoint_rows,
8714 window,
8715 cx,
8716 )
8717 } else {
8718 Vec::new()
8719 };
8720
8721 let show_breakpoints = snapshot
8722 .show_breakpoints
8723 .unwrap_or(gutter_settings.breakpoints);
8724 let breakpoints = if show_breakpoints {
8725 self.layout_breakpoints(
8726 line_height,
8727 start_row..end_row,
8728 scroll_pixel_position,
8729 &gutter_dimensions,
8730 &gutter_hitbox,
8731 &display_hunks,
8732 &snapshot,
8733 breakpoint_rows,
8734 &row_infos,
8735 window,
8736 cx,
8737 )
8738 } else {
8739 Vec::new()
8740 };
8741
8742 self.layout_signature_help(
8743 &hitbox,
8744 content_origin,
8745 scroll_pixel_position,
8746 newest_selection_head,
8747 start_row,
8748 &line_layouts,
8749 line_height,
8750 em_width,
8751 context_menu_layout,
8752 window,
8753 cx,
8754 );
8755
8756 if !cx.has_active_drag() {
8757 self.layout_hover_popovers(
8758 &snapshot,
8759 &hitbox,
8760 start_row..end_row,
8761 content_origin,
8762 scroll_pixel_position,
8763 &line_layouts,
8764 line_height,
8765 em_width,
8766 context_menu_layout,
8767 window,
8768 cx,
8769 );
8770 }
8771
8772 let mouse_context_menu = self.layout_mouse_context_menu(
8773 &snapshot,
8774 start_row..end_row,
8775 content_origin,
8776 window,
8777 cx,
8778 );
8779
8780 window.with_element_namespace("crease_toggles", |window| {
8781 self.prepaint_crease_toggles(
8782 &mut crease_toggles,
8783 line_height,
8784 &gutter_dimensions,
8785 gutter_settings,
8786 scroll_pixel_position,
8787 &gutter_hitbox,
8788 window,
8789 cx,
8790 )
8791 });
8792
8793 window.with_element_namespace("expand_toggles", |window| {
8794 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
8795 });
8796
8797 let wrap_guides = self.layout_wrap_guides(
8798 em_advance,
8799 scroll_position,
8800 content_origin,
8801 scrollbars_layout.as_ref(),
8802 vertical_scrollbar_width,
8803 &hitbox,
8804 window,
8805 cx,
8806 );
8807
8808 let minimap = window.with_element_namespace("minimap", |window| {
8809 self.layout_minimap(
8810 &snapshot,
8811 minimap_width,
8812 scroll_position,
8813 &scrollbar_layout_information,
8814 scrollbars_layout.as_ref(),
8815 window,
8816 cx,
8817 )
8818 });
8819
8820 let invisible_symbol_font_size = font_size / 2.;
8821 let tab_invisible = window.text_system().shape_line(
8822 "→".into(),
8823 invisible_symbol_font_size,
8824 &[TextRun {
8825 len: "→".len(),
8826 font: self.style.text.font(),
8827 color: cx.theme().colors().editor_invisible,
8828 background_color: None,
8829 underline: None,
8830 strikethrough: None,
8831 }],
8832 );
8833 let space_invisible = window.text_system().shape_line(
8834 "•".into(),
8835 invisible_symbol_font_size,
8836 &[TextRun {
8837 len: "•".len(),
8838 font: self.style.text.font(),
8839 color: cx.theme().colors().editor_invisible,
8840 background_color: None,
8841 underline: None,
8842 strikethrough: None,
8843 }],
8844 );
8845
8846 let mode = snapshot.mode.clone();
8847
8848 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
8849 (vec![], vec![])
8850 } else {
8851 self.layout_diff_hunk_controls(
8852 start_row..end_row,
8853 &row_infos,
8854 &text_hitbox,
8855 newest_selection_head,
8856 line_height,
8857 right_margin,
8858 scroll_pixel_position,
8859 &display_hunks,
8860 &highlighted_rows,
8861 self.editor.clone(),
8862 window,
8863 cx,
8864 )
8865 };
8866
8867 let position_map = Rc::new(PositionMap {
8868 size: bounds.size,
8869 visible_row_range,
8870 scroll_pixel_position,
8871 scroll_max,
8872 line_layouts,
8873 line_height,
8874 em_width,
8875 em_advance,
8876 snapshot,
8877 gutter_hitbox: gutter_hitbox.clone(),
8878 text_hitbox: text_hitbox.clone(),
8879 inline_blame_bounds: inline_blame_layout
8880 .as_ref()
8881 .map(|layout| (layout.bounds, layout.entry.clone())),
8882 display_hunks: display_hunks.clone(),
8883 diff_hunk_control_bounds: diff_hunk_control_bounds.clone(),
8884 });
8885
8886 self.editor.update(cx, |editor, _| {
8887 editor.last_position_map = Some(position_map.clone())
8888 });
8889
8890 EditorLayout {
8891 mode,
8892 position_map,
8893 visible_display_row_range: start_row..end_row,
8894 wrap_guides,
8895 indent_guides,
8896 hitbox,
8897 gutter_hitbox,
8898 display_hunks,
8899 content_origin,
8900 scrollbars_layout,
8901 minimap,
8902 active_rows,
8903 highlighted_rows,
8904 highlighted_ranges,
8905 highlighted_gutter_ranges,
8906 redacted_ranges,
8907 document_colors,
8908 line_elements,
8909 line_numbers,
8910 blamed_display_rows,
8911 inline_diagnostics,
8912 inline_blame_layout,
8913 inline_code_actions,
8914 blocks,
8915 cursors,
8916 visible_cursors,
8917 selections,
8918 inline_completion_popover,
8919 diff_hunk_controls,
8920 mouse_context_menu,
8921 test_indicators,
8922 breakpoints,
8923 crease_toggles,
8924 crease_trailers,
8925 tab_invisible,
8926 space_invisible,
8927 sticky_buffer_header,
8928 expand_toggles,
8929 }
8930 })
8931 })
8932 })
8933 }
8934
8935 fn paint(
8936 &mut self,
8937 _: Option<&GlobalElementId>,
8938 _inspector_id: Option<&gpui::InspectorElementId>,
8939 bounds: Bounds<gpui::Pixels>,
8940 _: &mut Self::RequestLayoutState,
8941 layout: &mut Self::PrepaintState,
8942 window: &mut Window,
8943 cx: &mut App,
8944 ) {
8945 let focus_handle = self.editor.focus_handle(cx);
8946 let key_context = self
8947 .editor
8948 .update(cx, |editor, cx| editor.key_context(window, cx));
8949
8950 window.set_key_context(key_context);
8951 window.handle_input(
8952 &focus_handle,
8953 ElementInputHandler::new(bounds, self.editor.clone()),
8954 cx,
8955 );
8956 self.register_actions(window, cx);
8957 self.register_key_listeners(window, cx, layout);
8958
8959 let text_style = TextStyleRefinement {
8960 font_size: Some(self.style.text.font_size),
8961 line_height: Some(self.style.text.line_height),
8962 ..Default::default()
8963 };
8964 let rem_size = self.rem_size(cx);
8965 window.with_rem_size(rem_size, |window| {
8966 window.with_text_style(Some(text_style), |window| {
8967 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8968 self.paint_mouse_listeners(layout, window, cx);
8969 self.paint_background(layout, window, cx);
8970 self.paint_indent_guides(layout, window, cx);
8971
8972 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8973 self.paint_blamed_display_rows(layout, window, cx);
8974 self.paint_line_numbers(layout, window, cx);
8975 }
8976
8977 self.paint_text(layout, window, cx);
8978
8979 if layout.gutter_hitbox.size.width > Pixels::ZERO {
8980 self.paint_gutter_highlights(layout, window, cx);
8981 self.paint_gutter_indicators(layout, window, cx);
8982 }
8983
8984 if !layout.blocks.is_empty() {
8985 window.with_element_namespace("blocks", |window| {
8986 self.paint_blocks(layout, window, cx);
8987 });
8988 }
8989
8990 window.with_element_namespace("blocks", |window| {
8991 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
8992 sticky_header.paint(window, cx)
8993 }
8994 });
8995
8996 self.paint_minimap(layout, window, cx);
8997 self.paint_scrollbars(layout, window, cx);
8998 self.paint_inline_completion_popover(layout, window, cx);
8999 self.paint_mouse_context_menu(layout, window, cx);
9000 });
9001 })
9002 })
9003 }
9004}
9005
9006pub(super) fn gutter_bounds(
9007 editor_bounds: Bounds<Pixels>,
9008 gutter_dimensions: GutterDimensions,
9009) -> Bounds<Pixels> {
9010 Bounds {
9011 origin: editor_bounds.origin,
9012 size: size(gutter_dimensions.width, editor_bounds.size.height),
9013 }
9014}
9015
9016#[derive(Clone, Copy)]
9017struct ContextMenuLayout {
9018 y_flipped: bool,
9019 bounds: Bounds<Pixels>,
9020}
9021
9022/// Holds information required for layouting the editor scrollbars.
9023struct ScrollbarLayoutInformation {
9024 /// The bounds of the editor area (excluding the content offset).
9025 editor_bounds: Bounds<Pixels>,
9026 /// The available range to scroll within the document.
9027 scroll_range: Size<Pixels>,
9028 /// The space available for one glyph in the editor.
9029 glyph_grid_cell: Size<Pixels>,
9030}
9031
9032impl ScrollbarLayoutInformation {
9033 pub fn new(
9034 editor_bounds: Bounds<Pixels>,
9035 glyph_grid_cell: Size<Pixels>,
9036 document_size: Size<Pixels>,
9037 longest_line_blame_width: Pixels,
9038 editor_width: Pixels,
9039 settings: &EditorSettings,
9040 ) -> Self {
9041 let vertical_overscroll = match settings.scroll_beyond_last_line {
9042 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9043 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9044 ScrollBeyondLastLine::VerticalScrollMargin => {
9045 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9046 }
9047 };
9048
9049 let right_margin = if document_size.width + longest_line_blame_width >= editor_width {
9050 glyph_grid_cell.width
9051 } else {
9052 px(0.0)
9053 };
9054
9055 let overscroll = size(right_margin + longest_line_blame_width, vertical_overscroll);
9056
9057 let scroll_range = document_size + overscroll;
9058
9059 ScrollbarLayoutInformation {
9060 editor_bounds,
9061 scroll_range,
9062 glyph_grid_cell,
9063 }
9064 }
9065}
9066
9067impl IntoElement for EditorElement {
9068 type Element = Self;
9069
9070 fn into_element(self) -> Self::Element {
9071 self
9072 }
9073}
9074
9075pub struct EditorLayout {
9076 position_map: Rc<PositionMap>,
9077 hitbox: Hitbox,
9078 gutter_hitbox: Hitbox,
9079 content_origin: gpui::Point<Pixels>,
9080 scrollbars_layout: Option<EditorScrollbars>,
9081 minimap: Option<MinimapLayout>,
9082 mode: EditorMode,
9083 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9084 indent_guides: Option<Vec<IndentGuideLayout>>,
9085 visible_display_row_range: Range<DisplayRow>,
9086 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9087 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9088 line_elements: SmallVec<[AnyElement; 1]>,
9089 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9090 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9091 blamed_display_rows: Option<Vec<AnyElement>>,
9092 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9093 inline_blame_layout: Option<InlineBlameLayout>,
9094 inline_code_actions: Option<AnyElement>,
9095 blocks: Vec<BlockLayout>,
9096 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9097 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9098 redacted_ranges: Vec<Range<DisplayPoint>>,
9099 cursors: Vec<(DisplayPoint, Hsla)>,
9100 visible_cursors: Vec<CursorLayout>,
9101 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9102 test_indicators: Vec<AnyElement>,
9103 breakpoints: Vec<AnyElement>,
9104 crease_toggles: Vec<Option<AnyElement>>,
9105 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9106 diff_hunk_controls: Vec<AnyElement>,
9107 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9108 inline_completion_popover: Option<AnyElement>,
9109 mouse_context_menu: Option<AnyElement>,
9110 tab_invisible: ShapedLine,
9111 space_invisible: ShapedLine,
9112 sticky_buffer_header: Option<AnyElement>,
9113 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9114}
9115
9116impl EditorLayout {
9117 fn line_end_overshoot(&self) -> Pixels {
9118 0.15 * self.position_map.line_height
9119 }
9120}
9121
9122struct LineNumberLayout {
9123 shaped_line: ShapedLine,
9124 hitbox: Option<Hitbox>,
9125}
9126
9127struct ColoredRange<T> {
9128 start: T,
9129 end: T,
9130 color: Hsla,
9131}
9132
9133impl Along for ScrollbarAxes {
9134 type Unit = bool;
9135
9136 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9137 match axis {
9138 ScrollbarAxis::Horizontal => self.horizontal,
9139 ScrollbarAxis::Vertical => self.vertical,
9140 }
9141 }
9142
9143 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9144 match axis {
9145 ScrollbarAxis::Horizontal => ScrollbarAxes {
9146 horizontal: f(self.horizontal),
9147 vertical: self.vertical,
9148 },
9149 ScrollbarAxis::Vertical => ScrollbarAxes {
9150 horizontal: self.horizontal,
9151 vertical: f(self.vertical),
9152 },
9153 }
9154 }
9155}
9156
9157#[derive(Clone)]
9158struct EditorScrollbars {
9159 pub vertical: Option<ScrollbarLayout>,
9160 pub horizontal: Option<ScrollbarLayout>,
9161 pub visible: bool,
9162}
9163
9164impl EditorScrollbars {
9165 pub fn from_scrollbar_axes(
9166 settings_visibility: ScrollbarAxes,
9167 layout_information: &ScrollbarLayoutInformation,
9168 content_offset: gpui::Point<Pixels>,
9169 scroll_position: gpui::Point<f32>,
9170 scrollbar_width: Pixels,
9171 right_margin: Pixels,
9172 editor_width: Pixels,
9173 show_scrollbars: bool,
9174 scrollbar_state: Option<&ActiveScrollbarState>,
9175 window: &mut Window,
9176 ) -> Self {
9177 let ScrollbarLayoutInformation {
9178 editor_bounds,
9179 scroll_range,
9180 glyph_grid_cell,
9181 } = layout_information;
9182
9183 let viewport_size = size(editor_width, editor_bounds.size.height);
9184
9185 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9186 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9187 Corner::BottomLeft,
9188 editor_bounds.bottom_left(),
9189 size(
9190 // The horizontal viewport size differs from the space available for the
9191 // horizontal scrollbar, so we have to manually stich it together here.
9192 editor_bounds.size.width - right_margin,
9193 scrollbar_width,
9194 ),
9195 ),
9196 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9197 Corner::TopRight,
9198 editor_bounds.top_right(),
9199 size(scrollbar_width, viewport_size.height),
9200 ),
9201 };
9202
9203 let mut create_scrollbar_layout = |axis| {
9204 settings_visibility
9205 .along(axis)
9206 .then(|| {
9207 (
9208 viewport_size.along(axis) - content_offset.along(axis),
9209 scroll_range.along(axis),
9210 )
9211 })
9212 .filter(|(viewport_size, scroll_range)| {
9213 // The scrollbar should only be rendered if the content does
9214 // not entirely fit into the editor
9215 // However, this only applies to the horizontal scrollbar, as information about the
9216 // vertical scrollbar layout is always needed for scrollbar diagnostics.
9217 axis != ScrollbarAxis::Horizontal || viewport_size < scroll_range
9218 })
9219 .map(|(viewport_size, scroll_range)| {
9220 ScrollbarLayout::new(
9221 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9222 viewport_size,
9223 scroll_range,
9224 glyph_grid_cell.along(axis),
9225 content_offset.along(axis),
9226 scroll_position.along(axis),
9227 show_scrollbars,
9228 axis,
9229 )
9230 .with_thumb_state(
9231 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9232 )
9233 })
9234 };
9235
9236 Self {
9237 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9238 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9239 visible: show_scrollbars,
9240 }
9241 }
9242
9243 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9244 [
9245 (&self.vertical, ScrollbarAxis::Vertical),
9246 (&self.horizontal, ScrollbarAxis::Horizontal),
9247 ]
9248 .into_iter()
9249 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9250 }
9251
9252 /// Returns the currently hovered scrollbar axis, if any.
9253 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9254 self.iter_scrollbars()
9255 .find(|s| s.0.hitbox.is_hovered(window))
9256 }
9257}
9258
9259#[derive(Clone)]
9260struct ScrollbarLayout {
9261 hitbox: Hitbox,
9262 visible_range: Range<f32>,
9263 text_unit_size: Pixels,
9264 thumb_bounds: Option<Bounds<Pixels>>,
9265 thumb_state: ScrollbarThumbState,
9266}
9267
9268impl ScrollbarLayout {
9269 const BORDER_WIDTH: Pixels = px(1.0);
9270 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9271 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9272 const MIN_THUMB_SIZE: Pixels = px(25.0);
9273
9274 fn new(
9275 scrollbar_track_hitbox: Hitbox,
9276 viewport_size: Pixels,
9277 scroll_range: Pixels,
9278 glyph_space: Pixels,
9279 content_offset: Pixels,
9280 scroll_position: f32,
9281 show_thumb: bool,
9282 axis: ScrollbarAxis,
9283 ) -> Self {
9284 let track_bounds = scrollbar_track_hitbox.bounds;
9285 // The length of the track available to the scrollbar thumb. We deliberately
9286 // exclude the content size here so that the thumb aligns with the content.
9287 let track_length = track_bounds.size.along(axis) - content_offset;
9288
9289 Self::new_with_hitbox_and_track_length(
9290 scrollbar_track_hitbox,
9291 track_length,
9292 viewport_size,
9293 scroll_range,
9294 glyph_space,
9295 content_offset,
9296 scroll_position,
9297 show_thumb,
9298 axis,
9299 )
9300 }
9301
9302 fn for_minimap(
9303 minimap_track_hitbox: Hitbox,
9304 visible_lines: f32,
9305 total_editor_lines: f32,
9306 minimap_line_height: Pixels,
9307 scroll_position: f32,
9308 minimap_scroll_top: f32,
9309 show_thumb: bool,
9310 ) -> Self {
9311 // The scrollbar thumb size is calculated as
9312 // (visible_content/total_content) × scrollbar_track_length.
9313 //
9314 // For the minimap's thumb layout, we leverage this by setting the
9315 // scrollbar track length to the entire document size (using minimap line
9316 // height). This creates a thumb that exactly represents the editor
9317 // viewport scaled to minimap proportions.
9318 //
9319 // We adjust the thumb position relative to `minimap_scroll_top` to
9320 // accommodate for the deliberately oversized track.
9321 //
9322 // This approach ensures that the minimap thumb accurately reflects the
9323 // editor's current scroll position whilst nicely synchronizing the minimap
9324 // thumb and scrollbar thumb.
9325 let scroll_range = total_editor_lines * minimap_line_height;
9326 let viewport_size = visible_lines * minimap_line_height;
9327
9328 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9329
9330 Self::new_with_hitbox_and_track_length(
9331 minimap_track_hitbox,
9332 scroll_range,
9333 viewport_size,
9334 scroll_range,
9335 minimap_line_height,
9336 track_top_offset,
9337 scroll_position,
9338 show_thumb,
9339 ScrollbarAxis::Vertical,
9340 )
9341 }
9342
9343 fn new_with_hitbox_and_track_length(
9344 scrollbar_track_hitbox: Hitbox,
9345 track_length: Pixels,
9346 viewport_size: Pixels,
9347 scroll_range: Pixels,
9348 glyph_space: Pixels,
9349 content_offset: Pixels,
9350 scroll_position: f32,
9351 show_thumb: bool,
9352 axis: ScrollbarAxis,
9353 ) -> Self {
9354 let text_units_per_page = viewport_size / glyph_space;
9355 let visible_range = scroll_position..scroll_position + text_units_per_page;
9356 let total_text_units = scroll_range / glyph_space;
9357
9358 let thumb_percentage = text_units_per_page / total_text_units;
9359 let thumb_size = (track_length * thumb_percentage)
9360 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9361 .min(track_length);
9362
9363 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9364
9365 let content_larger_than_viewport = text_unit_divisor > 0.;
9366
9367 let text_unit_size = if content_larger_than_viewport {
9368 (track_length - thumb_size) / text_unit_divisor
9369 } else {
9370 glyph_space
9371 };
9372
9373 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9374 Self::thumb_bounds(
9375 &scrollbar_track_hitbox,
9376 content_offset,
9377 visible_range.start,
9378 text_unit_size,
9379 thumb_size,
9380 axis,
9381 )
9382 });
9383
9384 ScrollbarLayout {
9385 hitbox: scrollbar_track_hitbox,
9386 visible_range,
9387 text_unit_size,
9388 thumb_bounds,
9389 thumb_state: Default::default(),
9390 }
9391 }
9392
9393 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9394 if let Some(thumb_state) = thumb_state {
9395 Self {
9396 thumb_state,
9397 ..self
9398 }
9399 } else {
9400 self
9401 }
9402 }
9403
9404 fn thumb_bounds(
9405 scrollbar_track: &Hitbox,
9406 content_offset: Pixels,
9407 visible_range_start: f32,
9408 text_unit_size: Pixels,
9409 thumb_size: Pixels,
9410 axis: ScrollbarAxis,
9411 ) -> Bounds<Pixels> {
9412 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9413 origin + content_offset + visible_range_start * text_unit_size
9414 });
9415 Bounds::new(
9416 thumb_origin,
9417 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9418 )
9419 }
9420
9421 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9422 self.thumb_bounds
9423 .is_some_and(|bounds| bounds.contains(position))
9424 }
9425
9426 fn marker_quads_for_ranges(
9427 &self,
9428 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9429 column: Option<usize>,
9430 ) -> Vec<PaintQuad> {
9431 struct MinMax {
9432 min: Pixels,
9433 max: Pixels,
9434 }
9435 let (x_range, height_limit) = if let Some(column) = column {
9436 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9437 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9438 let end = start + column_width;
9439 (
9440 Range { start, end },
9441 MinMax {
9442 min: Self::MIN_MARKER_HEIGHT,
9443 max: px(f32::MAX),
9444 },
9445 )
9446 } else {
9447 (
9448 Range {
9449 start: Self::BORDER_WIDTH,
9450 end: self.hitbox.size.width,
9451 },
9452 MinMax {
9453 min: Self::LINE_MARKER_HEIGHT,
9454 max: Self::LINE_MARKER_HEIGHT,
9455 },
9456 )
9457 };
9458
9459 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9460 let mut pixel_ranges = row_ranges
9461 .into_iter()
9462 .map(|range| {
9463 let start_y = row_to_y(range.start);
9464 let end_y = row_to_y(range.end)
9465 + self
9466 .text_unit_size
9467 .max(height_limit.min)
9468 .min(height_limit.max);
9469 ColoredRange {
9470 start: start_y,
9471 end: end_y,
9472 color: range.color,
9473 }
9474 })
9475 .peekable();
9476
9477 let mut quads = Vec::new();
9478 while let Some(mut pixel_range) = pixel_ranges.next() {
9479 while let Some(next_pixel_range) = pixel_ranges.peek() {
9480 if pixel_range.end >= next_pixel_range.start - px(1.0)
9481 && pixel_range.color == next_pixel_range.color
9482 {
9483 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9484 pixel_ranges.next();
9485 } else {
9486 break;
9487 }
9488 }
9489
9490 let bounds = Bounds::from_corners(
9491 point(x_range.start, pixel_range.start),
9492 point(x_range.end, pixel_range.end),
9493 );
9494 quads.push(quad(
9495 bounds,
9496 Corners::default(),
9497 pixel_range.color,
9498 Edges::default(),
9499 Hsla::transparent_black(),
9500 BorderStyle::default(),
9501 ));
9502 }
9503
9504 quads
9505 }
9506}
9507
9508struct MinimapLayout {
9509 pub minimap: AnyElement,
9510 pub thumb_layout: ScrollbarLayout,
9511 pub minimap_scroll_top: f32,
9512 pub minimap_line_height: Pixels,
9513 pub thumb_border_style: MinimapThumbBorder,
9514 pub max_scroll_top: f32,
9515}
9516
9517impl MinimapLayout {
9518 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9519 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9520 /// The minimap width as a percentage of the editor width.
9521 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9522 /// Calculates the scroll top offset the minimap editor has to have based on the
9523 /// current scroll progress.
9524 fn calculate_minimap_top_offset(
9525 document_lines: f32,
9526 visible_editor_lines: f32,
9527 visible_minimap_lines: f32,
9528 scroll_position: f32,
9529 ) -> f32 {
9530 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9531 if non_visible_document_lines == 0. {
9532 0.
9533 } else {
9534 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9535 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9536 }
9537 }
9538}
9539
9540struct CreaseTrailerLayout {
9541 element: AnyElement,
9542 bounds: Bounds<Pixels>,
9543}
9544
9545pub(crate) struct PositionMap {
9546 pub size: Size<Pixels>,
9547 pub line_height: Pixels,
9548 pub scroll_pixel_position: gpui::Point<Pixels>,
9549 pub scroll_max: gpui::Point<f32>,
9550 pub em_width: Pixels,
9551 pub em_advance: Pixels,
9552 pub visible_row_range: Range<DisplayRow>,
9553 pub line_layouts: Vec<LineWithInvisibles>,
9554 pub snapshot: EditorSnapshot,
9555 pub text_hitbox: Hitbox,
9556 pub gutter_hitbox: Hitbox,
9557 pub inline_blame_bounds: Option<(Bounds<Pixels>, BlameEntry)>,
9558 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9559 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9560}
9561
9562#[derive(Debug, Copy, Clone)]
9563pub struct PointForPosition {
9564 pub previous_valid: DisplayPoint,
9565 pub next_valid: DisplayPoint,
9566 pub exact_unclipped: DisplayPoint,
9567 pub column_overshoot_after_line_end: u32,
9568}
9569
9570impl PointForPosition {
9571 pub fn as_valid(&self) -> Option<DisplayPoint> {
9572 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9573 Some(self.previous_valid)
9574 } else {
9575 None
9576 }
9577 }
9578
9579 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
9580 let Some(valid_point) = self.as_valid() else {
9581 return false;
9582 };
9583 let range = selection.range();
9584
9585 let candidate_row = valid_point.row();
9586 let candidate_col = valid_point.column();
9587
9588 let start_row = range.start.row();
9589 let start_col = range.start.column();
9590 let end_row = range.end.row();
9591 let end_col = range.end.column();
9592
9593 if candidate_row < start_row || candidate_row > end_row {
9594 false
9595 } else if start_row == end_row {
9596 candidate_col >= start_col && candidate_col < end_col
9597 } else {
9598 if candidate_row == start_row {
9599 candidate_col >= start_col
9600 } else if candidate_row == end_row {
9601 candidate_col < end_col
9602 } else {
9603 true
9604 }
9605 }
9606 }
9607}
9608
9609impl PositionMap {
9610 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
9611 let text_bounds = self.text_hitbox.bounds;
9612 let scroll_position = self.snapshot.scroll_position();
9613 let position = position - text_bounds.origin;
9614 let y = position.y.max(px(0.)).min(self.size.height);
9615 let x = position.x + (scroll_position.x * self.em_advance);
9616 let row = ((y / self.line_height) + scroll_position.y) as u32;
9617
9618 let (column, x_overshoot_after_line_end) = if let Some(line) = self
9619 .line_layouts
9620 .get(row as usize - scroll_position.y as usize)
9621 {
9622 if let Some(ix) = line.index_for_x(x) {
9623 (ix as u32, px(0.))
9624 } else {
9625 (line.len as u32, px(0.).max(x - line.width))
9626 }
9627 } else {
9628 (0, x)
9629 };
9630
9631 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
9632 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
9633 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
9634
9635 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
9636 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
9637 PointForPosition {
9638 previous_valid,
9639 next_valid,
9640 exact_unclipped,
9641 column_overshoot_after_line_end,
9642 }
9643 }
9644}
9645
9646struct BlockLayout {
9647 id: BlockId,
9648 x_offset: Pixels,
9649 row: Option<DisplayRow>,
9650 element: AnyElement,
9651 available_space: Size<AvailableSpace>,
9652 style: BlockStyle,
9653 overlaps_gutter: bool,
9654 is_buffer_header: bool,
9655}
9656
9657pub fn layout_line(
9658 row: DisplayRow,
9659 snapshot: &EditorSnapshot,
9660 style: &EditorStyle,
9661 text_width: Pixels,
9662 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
9663 window: &mut Window,
9664 cx: &mut App,
9665) -> LineWithInvisibles {
9666 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
9667 LineWithInvisibles::from_chunks(
9668 chunks,
9669 &style,
9670 MAX_LINE_LEN,
9671 1,
9672 &snapshot.mode,
9673 text_width,
9674 is_row_soft_wrapped,
9675 window,
9676 cx,
9677 )
9678 .pop()
9679 .unwrap()
9680}
9681
9682#[derive(Debug)]
9683pub struct IndentGuideLayout {
9684 origin: gpui::Point<Pixels>,
9685 length: Pixels,
9686 single_indent_width: Pixels,
9687 depth: u32,
9688 active: bool,
9689 settings: IndentGuideSettings,
9690}
9691
9692pub struct CursorLayout {
9693 origin: gpui::Point<Pixels>,
9694 block_width: Pixels,
9695 line_height: Pixels,
9696 color: Hsla,
9697 shape: CursorShape,
9698 block_text: Option<ShapedLine>,
9699 cursor_name: Option<AnyElement>,
9700}
9701
9702#[derive(Debug)]
9703pub struct CursorName {
9704 string: SharedString,
9705 color: Hsla,
9706 is_top_row: bool,
9707}
9708
9709impl CursorLayout {
9710 pub fn new(
9711 origin: gpui::Point<Pixels>,
9712 block_width: Pixels,
9713 line_height: Pixels,
9714 color: Hsla,
9715 shape: CursorShape,
9716 block_text: Option<ShapedLine>,
9717 ) -> CursorLayout {
9718 CursorLayout {
9719 origin,
9720 block_width,
9721 line_height,
9722 color,
9723 shape,
9724 block_text,
9725 cursor_name: None,
9726 }
9727 }
9728
9729 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9730 Bounds {
9731 origin: self.origin + origin,
9732 size: size(self.block_width, self.line_height),
9733 }
9734 }
9735
9736 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
9737 match self.shape {
9738 CursorShape::Bar => Bounds {
9739 origin: self.origin + origin,
9740 size: size(px(2.0), self.line_height),
9741 },
9742 CursorShape::Block | CursorShape::Hollow => Bounds {
9743 origin: self.origin + origin,
9744 size: size(self.block_width, self.line_height),
9745 },
9746 CursorShape::Underline => Bounds {
9747 origin: self.origin
9748 + origin
9749 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
9750 size: size(self.block_width, px(2.0)),
9751 },
9752 }
9753 }
9754
9755 pub fn layout(
9756 &mut self,
9757 origin: gpui::Point<Pixels>,
9758 cursor_name: Option<CursorName>,
9759 window: &mut Window,
9760 cx: &mut App,
9761 ) {
9762 if let Some(cursor_name) = cursor_name {
9763 let bounds = self.bounds(origin);
9764 let text_size = self.line_height / 1.5;
9765
9766 let name_origin = if cursor_name.is_top_row {
9767 point(bounds.right() - px(1.), bounds.top())
9768 } else {
9769 match self.shape {
9770 CursorShape::Bar => point(
9771 bounds.right() - px(2.),
9772 bounds.top() - text_size / 2. - px(1.),
9773 ),
9774 _ => point(
9775 bounds.right() - px(1.),
9776 bounds.top() - text_size / 2. - px(1.),
9777 ),
9778 }
9779 };
9780 let mut name_element = div()
9781 .bg(self.color)
9782 .text_size(text_size)
9783 .px_0p5()
9784 .line_height(text_size + px(2.))
9785 .text_color(cursor_name.color)
9786 .child(cursor_name.string.clone())
9787 .into_any_element();
9788
9789 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
9790
9791 self.cursor_name = Some(name_element);
9792 }
9793 }
9794
9795 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
9796 let bounds = self.bounds(origin);
9797
9798 //Draw background or border quad
9799 let cursor = if matches!(self.shape, CursorShape::Hollow) {
9800 outline(bounds, self.color, BorderStyle::Solid)
9801 } else {
9802 fill(bounds, self.color)
9803 };
9804
9805 if let Some(name) = &mut self.cursor_name {
9806 name.paint(window, cx);
9807 }
9808
9809 window.paint_quad(cursor);
9810
9811 if let Some(block_text) = &self.block_text {
9812 block_text
9813 .paint(self.origin + origin, self.line_height, window, cx)
9814 .log_err();
9815 }
9816 }
9817
9818 pub fn shape(&self) -> CursorShape {
9819 self.shape
9820 }
9821}
9822
9823#[derive(Debug)]
9824pub struct HighlightedRange {
9825 pub start_y: Pixels,
9826 pub line_height: Pixels,
9827 pub lines: Vec<HighlightedRangeLine>,
9828 pub color: Hsla,
9829 pub corner_radius: Pixels,
9830}
9831
9832#[derive(Debug)]
9833pub struct HighlightedRangeLine {
9834 pub start_x: Pixels,
9835 pub end_x: Pixels,
9836}
9837
9838impl HighlightedRange {
9839 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
9840 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
9841 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
9842 self.paint_lines(
9843 self.start_y + self.line_height,
9844 &self.lines[1..],
9845 fill,
9846 bounds,
9847 window,
9848 );
9849 } else {
9850 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
9851 }
9852 }
9853
9854 fn paint_lines(
9855 &self,
9856 start_y: Pixels,
9857 lines: &[HighlightedRangeLine],
9858 fill: bool,
9859 _bounds: Bounds<Pixels>,
9860 window: &mut Window,
9861 ) {
9862 if lines.is_empty() {
9863 return;
9864 }
9865
9866 let first_line = lines.first().unwrap();
9867 let last_line = lines.last().unwrap();
9868
9869 let first_top_left = point(first_line.start_x, start_y);
9870 let first_top_right = point(first_line.end_x, start_y);
9871
9872 let curve_height = point(Pixels::ZERO, self.corner_radius);
9873 let curve_width = |start_x: Pixels, end_x: Pixels| {
9874 let max = (end_x - start_x) / 2.;
9875 let width = if max < self.corner_radius {
9876 max
9877 } else {
9878 self.corner_radius
9879 };
9880
9881 point(width, Pixels::ZERO)
9882 };
9883
9884 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
9885 let mut builder = if fill {
9886 gpui::PathBuilder::fill()
9887 } else {
9888 gpui::PathBuilder::stroke(px(1.))
9889 };
9890 builder.move_to(first_top_right - top_curve_width);
9891 builder.curve_to(first_top_right + curve_height, first_top_right);
9892
9893 let mut iter = lines.iter().enumerate().peekable();
9894 while let Some((ix, line)) = iter.next() {
9895 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
9896
9897 if let Some((_, next_line)) = iter.peek() {
9898 let next_top_right = point(next_line.end_x, bottom_right.y);
9899
9900 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
9901 Ordering::Equal => {
9902 builder.line_to(bottom_right);
9903 }
9904 Ordering::Less => {
9905 let curve_width = curve_width(next_top_right.x, bottom_right.x);
9906 builder.line_to(bottom_right - curve_height);
9907 if self.corner_radius > Pixels::ZERO {
9908 builder.curve_to(bottom_right - curve_width, bottom_right);
9909 }
9910 builder.line_to(next_top_right + curve_width);
9911 if self.corner_radius > Pixels::ZERO {
9912 builder.curve_to(next_top_right + curve_height, next_top_right);
9913 }
9914 }
9915 Ordering::Greater => {
9916 let curve_width = curve_width(bottom_right.x, next_top_right.x);
9917 builder.line_to(bottom_right - curve_height);
9918 if self.corner_radius > Pixels::ZERO {
9919 builder.curve_to(bottom_right + curve_width, bottom_right);
9920 }
9921 builder.line_to(next_top_right - curve_width);
9922 if self.corner_radius > Pixels::ZERO {
9923 builder.curve_to(next_top_right + curve_height, next_top_right);
9924 }
9925 }
9926 }
9927 } else {
9928 let curve_width = curve_width(line.start_x, line.end_x);
9929 builder.line_to(bottom_right - curve_height);
9930 if self.corner_radius > Pixels::ZERO {
9931 builder.curve_to(bottom_right - curve_width, bottom_right);
9932 }
9933
9934 let bottom_left = point(line.start_x, bottom_right.y);
9935 builder.line_to(bottom_left + curve_width);
9936 if self.corner_radius > Pixels::ZERO {
9937 builder.curve_to(bottom_left - curve_height, bottom_left);
9938 }
9939 }
9940 }
9941
9942 if first_line.start_x > last_line.start_x {
9943 let curve_width = curve_width(last_line.start_x, first_line.start_x);
9944 let second_top_left = point(last_line.start_x, start_y + self.line_height);
9945 builder.line_to(second_top_left + curve_height);
9946 if self.corner_radius > Pixels::ZERO {
9947 builder.curve_to(second_top_left + curve_width, second_top_left);
9948 }
9949 let first_bottom_left = point(first_line.start_x, second_top_left.y);
9950 builder.line_to(first_bottom_left - curve_width);
9951 if self.corner_radius > Pixels::ZERO {
9952 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
9953 }
9954 }
9955
9956 builder.line_to(first_top_left + curve_height);
9957 if self.corner_radius > Pixels::ZERO {
9958 builder.curve_to(first_top_left + top_curve_width, first_top_left);
9959 }
9960 builder.line_to(first_top_right - top_curve_width);
9961
9962 if let Ok(path) = builder.build() {
9963 window.paint_path(path, self.color);
9964 }
9965 }
9966}
9967
9968enum CursorPopoverType {
9969 CodeContextMenu,
9970 EditPrediction,
9971}
9972
9973pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9974 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
9975}
9976
9977fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
9978 (delta.pow(1.2) / 300.0).into()
9979}
9980
9981pub fn register_action<T: Action>(
9982 editor: &Entity<Editor>,
9983 window: &mut Window,
9984 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
9985) {
9986 let editor = editor.clone();
9987 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
9988 let action = action.downcast_ref().unwrap();
9989 if phase == DispatchPhase::Bubble {
9990 editor.update(cx, |editor, cx| {
9991 listener(editor, action, window, cx);
9992 })
9993 }
9994 })
9995}
9996
9997fn compute_auto_height_layout(
9998 editor: &mut Editor,
9999 min_lines: usize,
10000 max_lines: Option<usize>,
10001 max_line_number_width: Pixels,
10002 known_dimensions: Size<Option<Pixels>>,
10003 available_width: AvailableSpace,
10004 window: &mut Window,
10005 cx: &mut Context<Editor>,
10006) -> Option<Size<Pixels>> {
10007 let width = known_dimensions.width.or({
10008 if let AvailableSpace::Definite(available_width) = available_width {
10009 Some(available_width)
10010 } else {
10011 None
10012 }
10013 })?;
10014 if let Some(height) = known_dimensions.height {
10015 return Some(size(width, height));
10016 }
10017
10018 let style = editor.style.as_ref().unwrap();
10019 let font_id = window.text_system().resolve_font(&style.text.font());
10020 let font_size = style.text.font_size.to_pixels(window.rem_size());
10021 let line_height = style.text.line_height_in_pixels(window.rem_size());
10022 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10023
10024 let mut snapshot = editor.snapshot(window, cx);
10025 let gutter_dimensions = snapshot
10026 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10027 .or_else(|| {
10028 editor
10029 .offset_content
10030 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10031 })
10032 .unwrap_or_default();
10033
10034 editor.gutter_dimensions = gutter_dimensions;
10035 let text_width = width - gutter_dimensions.width;
10036 let overscroll = size(em_width, px(0.));
10037
10038 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10039 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None) {
10040 if editor.set_wrap_width(Some(editor_width), cx) {
10041 snapshot = editor.snapshot(window, cx);
10042 }
10043 }
10044
10045 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10046
10047 let min_height = line_height * min_lines as f32;
10048 let content_height = scroll_height.max(min_height);
10049
10050 let final_height = if let Some(max_lines) = max_lines {
10051 let max_height = line_height * max_lines as f32;
10052 content_height.min(max_height)
10053 } else {
10054 content_height
10055 };
10056
10057 Some(size(width, final_height))
10058}
10059
10060#[cfg(test)]
10061mod tests {
10062 use super::*;
10063 use crate::{
10064 Editor, MultiBuffer, SelectionEffects,
10065 display_map::{BlockPlacement, BlockProperties},
10066 editor_tests::{init_test, update_test_language_settings},
10067 };
10068 use gpui::{TestAppContext, VisualTestContext};
10069 use language::language_settings;
10070 use log::info;
10071 use std::num::NonZeroU32;
10072 use util::test::sample_text;
10073
10074 #[gpui::test]
10075 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10076 init_test(cx, |_| {});
10077 let window = cx.add_window(|window, cx| {
10078 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10079 Editor::new(EditorMode::full(), buffer, None, window, cx)
10080 });
10081
10082 let editor = window.root(cx).unwrap();
10083 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10084 let line_height = window
10085 .update(cx, |_, window, _| {
10086 style.text.line_height_in_pixels(window.rem_size())
10087 })
10088 .unwrap();
10089 let element = EditorElement::new(&editor, style);
10090 let snapshot = window
10091 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10092 .unwrap();
10093
10094 let layouts = cx
10095 .update_window(*window, |_, window, cx| {
10096 element.layout_line_numbers(
10097 None,
10098 GutterDimensions {
10099 left_padding: Pixels::ZERO,
10100 right_padding: Pixels::ZERO,
10101 width: px(30.0),
10102 margin: Pixels::ZERO,
10103 git_blame_entries_width: None,
10104 },
10105 line_height,
10106 gpui::Point::default(),
10107 DisplayRow(0)..DisplayRow(6),
10108 &(0..6)
10109 .map(|row| RowInfo {
10110 buffer_row: Some(row),
10111 ..Default::default()
10112 })
10113 .collect::<Vec<_>>(),
10114 &BTreeMap::default(),
10115 Some(DisplayPoint::new(DisplayRow(0), 0)),
10116 &snapshot,
10117 window,
10118 cx,
10119 )
10120 })
10121 .unwrap();
10122 assert_eq!(layouts.len(), 6);
10123
10124 let relative_rows = window
10125 .update(cx, |editor, window, cx| {
10126 let snapshot = editor.snapshot(window, cx);
10127 element.calculate_relative_line_numbers(
10128 &snapshot,
10129 &(DisplayRow(0)..DisplayRow(6)),
10130 Some(DisplayRow(3)),
10131 )
10132 })
10133 .unwrap();
10134 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10135 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10136 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10137 // current line has no relative number
10138 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10139 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10140
10141 // works if cursor is before screen
10142 let relative_rows = window
10143 .update(cx, |editor, window, cx| {
10144 let snapshot = editor.snapshot(window, cx);
10145 element.calculate_relative_line_numbers(
10146 &snapshot,
10147 &(DisplayRow(3)..DisplayRow(6)),
10148 Some(DisplayRow(1)),
10149 )
10150 })
10151 .unwrap();
10152 assert_eq!(relative_rows.len(), 3);
10153 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10154 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10155 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10156
10157 // works if cursor is after screen
10158 let relative_rows = window
10159 .update(cx, |editor, window, cx| {
10160 let snapshot = editor.snapshot(window, cx);
10161 element.calculate_relative_line_numbers(
10162 &snapshot,
10163 &(DisplayRow(0)..DisplayRow(3)),
10164 Some(DisplayRow(6)),
10165 )
10166 })
10167 .unwrap();
10168 assert_eq!(relative_rows.len(), 3);
10169 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10170 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10171 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10172 }
10173
10174 #[gpui::test]
10175 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10176 init_test(cx, |_| {});
10177
10178 let window = cx.add_window(|window, cx| {
10179 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10180 Editor::new(EditorMode::full(), buffer, None, window, cx)
10181 });
10182 let cx = &mut VisualTestContext::from_window(*window, cx);
10183 let editor = window.root(cx).unwrap();
10184 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10185
10186 window
10187 .update(cx, |editor, window, cx| {
10188 editor.cursor_shape = CursorShape::Block;
10189 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10190 s.select_ranges([
10191 Point::new(0, 0)..Point::new(1, 0),
10192 Point::new(3, 2)..Point::new(3, 3),
10193 Point::new(5, 6)..Point::new(6, 0),
10194 ]);
10195 });
10196 })
10197 .unwrap();
10198
10199 let (_, state) = cx.draw(
10200 point(px(500.), px(500.)),
10201 size(px(500.), px(500.)),
10202 |_, _| EditorElement::new(&editor, style),
10203 );
10204
10205 assert_eq!(state.selections.len(), 1);
10206 let local_selections = &state.selections[0].1;
10207 assert_eq!(local_selections.len(), 3);
10208 // moves cursor back one line
10209 assert_eq!(
10210 local_selections[0].head,
10211 DisplayPoint::new(DisplayRow(0), 6)
10212 );
10213 assert_eq!(
10214 local_selections[0].range,
10215 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10216 );
10217
10218 // moves cursor back one column
10219 assert_eq!(
10220 local_selections[1].range,
10221 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10222 );
10223 assert_eq!(
10224 local_selections[1].head,
10225 DisplayPoint::new(DisplayRow(3), 2)
10226 );
10227
10228 // leaves cursor on the max point
10229 assert_eq!(
10230 local_selections[2].range,
10231 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10232 );
10233 assert_eq!(
10234 local_selections[2].head,
10235 DisplayPoint::new(DisplayRow(6), 0)
10236 );
10237
10238 // active lines does not include 1 (even though the range of the selection does)
10239 assert_eq!(
10240 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10241 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10242 );
10243 }
10244
10245 #[gpui::test]
10246 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10247 init_test(cx, |_| {});
10248
10249 let window = cx.add_window(|window, cx| {
10250 let buffer = MultiBuffer::build_simple("", cx);
10251 Editor::new(EditorMode::full(), buffer, None, window, cx)
10252 });
10253 let cx = &mut VisualTestContext::from_window(*window, cx);
10254 let editor = window.root(cx).unwrap();
10255 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10256 window
10257 .update(cx, |editor, window, cx| {
10258 editor.set_placeholder_text("hello", cx);
10259 editor.insert_blocks(
10260 [BlockProperties {
10261 style: BlockStyle::Fixed,
10262 placement: BlockPlacement::Above(Anchor::min()),
10263 height: Some(3),
10264 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10265 priority: 0,
10266 render_in_minimap: true,
10267 }],
10268 None,
10269 cx,
10270 );
10271
10272 // Blur the editor so that it displays placeholder text.
10273 window.blur();
10274 })
10275 .unwrap();
10276
10277 let (_, state) = cx.draw(
10278 point(px(500.), px(500.)),
10279 size(px(500.), px(500.)),
10280 |_, _| EditorElement::new(&editor, style),
10281 );
10282 assert_eq!(state.position_map.line_layouts.len(), 4);
10283 assert_eq!(state.line_numbers.len(), 1);
10284 assert_eq!(
10285 state
10286 .line_numbers
10287 .get(&MultiBufferRow(0))
10288 .map(|line_number| line_number.shaped_line.text.as_ref()),
10289 Some("1")
10290 );
10291 }
10292
10293 #[gpui::test]
10294 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10295 const TAB_SIZE: u32 = 4;
10296
10297 let input_text = "\t \t|\t| a b";
10298 let expected_invisibles = vec![
10299 Invisible::Tab {
10300 line_start_offset: 0,
10301 line_end_offset: TAB_SIZE as usize,
10302 },
10303 Invisible::Whitespace {
10304 line_offset: TAB_SIZE as usize,
10305 },
10306 Invisible::Tab {
10307 line_start_offset: TAB_SIZE as usize + 1,
10308 line_end_offset: TAB_SIZE as usize * 2,
10309 },
10310 Invisible::Tab {
10311 line_start_offset: TAB_SIZE as usize * 2 + 1,
10312 line_end_offset: TAB_SIZE as usize * 3,
10313 },
10314 Invisible::Whitespace {
10315 line_offset: TAB_SIZE as usize * 3 + 1,
10316 },
10317 Invisible::Whitespace {
10318 line_offset: TAB_SIZE as usize * 3 + 3,
10319 },
10320 ];
10321 assert_eq!(
10322 expected_invisibles.len(),
10323 input_text
10324 .chars()
10325 .filter(|initial_char| initial_char.is_whitespace())
10326 .count(),
10327 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10328 );
10329
10330 for show_line_numbers in [true, false] {
10331 init_test(cx, |s| {
10332 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10333 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10334 });
10335
10336 let actual_invisibles = collect_invisibles_from_new_editor(
10337 cx,
10338 EditorMode::full(),
10339 input_text,
10340 px(500.0),
10341 show_line_numbers,
10342 );
10343
10344 assert_eq!(expected_invisibles, actual_invisibles);
10345 }
10346 }
10347
10348 #[gpui::test]
10349 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10350 init_test(cx, |s| {
10351 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10352 s.defaults.tab_size = NonZeroU32::new(4);
10353 });
10354
10355 for editor_mode_without_invisibles in [
10356 EditorMode::SingleLine { auto_width: false },
10357 EditorMode::AutoHeight {
10358 min_lines: 1,
10359 max_lines: Some(100),
10360 },
10361 ] {
10362 for show_line_numbers in [true, false] {
10363 let invisibles = collect_invisibles_from_new_editor(
10364 cx,
10365 editor_mode_without_invisibles.clone(),
10366 "\t\t\t| | a b",
10367 px(500.0),
10368 show_line_numbers,
10369 );
10370 assert!(
10371 invisibles.is_empty(),
10372 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10373 );
10374 }
10375 }
10376 }
10377
10378 #[gpui::test]
10379 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10380 let tab_size = 4;
10381 let input_text = "a\tbcd ".repeat(9);
10382 let repeated_invisibles = [
10383 Invisible::Tab {
10384 line_start_offset: 1,
10385 line_end_offset: tab_size as usize,
10386 },
10387 Invisible::Whitespace {
10388 line_offset: tab_size as usize + 3,
10389 },
10390 Invisible::Whitespace {
10391 line_offset: tab_size as usize + 4,
10392 },
10393 Invisible::Whitespace {
10394 line_offset: tab_size as usize + 5,
10395 },
10396 Invisible::Whitespace {
10397 line_offset: tab_size as usize + 6,
10398 },
10399 Invisible::Whitespace {
10400 line_offset: tab_size as usize + 7,
10401 },
10402 ];
10403 let expected_invisibles = std::iter::once(repeated_invisibles)
10404 .cycle()
10405 .take(9)
10406 .flatten()
10407 .collect::<Vec<_>>();
10408 assert_eq!(
10409 expected_invisibles.len(),
10410 input_text
10411 .chars()
10412 .filter(|initial_char| initial_char.is_whitespace())
10413 .count(),
10414 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10415 );
10416 info!("Expected invisibles: {expected_invisibles:?}");
10417
10418 init_test(cx, |_| {});
10419
10420 // Put the same string with repeating whitespace pattern into editors of various size,
10421 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10422 let resize_step = 10.0;
10423 let mut editor_width = 200.0;
10424 while editor_width <= 1000.0 {
10425 for show_line_numbers in [true, false] {
10426 update_test_language_settings(cx, |s| {
10427 s.defaults.tab_size = NonZeroU32::new(tab_size);
10428 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10429 s.defaults.preferred_line_length = Some(editor_width as u32);
10430 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10431 });
10432
10433 let actual_invisibles = collect_invisibles_from_new_editor(
10434 cx,
10435 EditorMode::full(),
10436 &input_text,
10437 px(editor_width),
10438 show_line_numbers,
10439 );
10440
10441 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10442 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10443 let mut i = 0;
10444 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10445 i = actual_index;
10446 match expected_invisibles.get(i) {
10447 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10448 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10449 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10450 _ => {
10451 panic!(
10452 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10453 )
10454 }
10455 },
10456 None => {
10457 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10458 }
10459 }
10460 }
10461 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10462 assert!(
10463 missing_expected_invisibles.is_empty(),
10464 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10465 );
10466
10467 editor_width += resize_step;
10468 }
10469 }
10470 }
10471
10472 fn collect_invisibles_from_new_editor(
10473 cx: &mut TestAppContext,
10474 editor_mode: EditorMode,
10475 input_text: &str,
10476 editor_width: Pixels,
10477 show_line_numbers: bool,
10478 ) -> Vec<Invisible> {
10479 info!(
10480 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10481 editor_width.0
10482 );
10483 let window = cx.add_window(|window, cx| {
10484 let buffer = MultiBuffer::build_simple(input_text, cx);
10485 Editor::new(editor_mode, buffer, None, window, cx)
10486 });
10487 let cx = &mut VisualTestContext::from_window(*window, cx);
10488 let editor = window.root(cx).unwrap();
10489
10490 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10491 window
10492 .update(cx, |editor, _, cx| {
10493 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10494 editor.set_wrap_width(Some(editor_width), cx);
10495 editor.set_show_line_numbers(show_line_numbers, cx);
10496 })
10497 .unwrap();
10498 let (_, state) = cx.draw(
10499 point(px(500.), px(500.)),
10500 size(px(500.), px(500.)),
10501 |_, _| EditorElement::new(&editor, style),
10502 );
10503 state
10504 .position_map
10505 .line_layouts
10506 .iter()
10507 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10508 .cloned()
10509 .collect()
10510 }
10511}