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, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
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, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
44 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
45 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
46 KeybindingKeystroke, Length, ModifiersChangedEvent, MouseButton, MouseClickEvent,
47 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
48 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
49 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
50 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
51 transparent_black,
52};
53use itertools::Itertools;
54use language::language_settings::{
55 IndentGuideBackgroundColoring, IndentGuideColoring, IndentGuideSettings, ShowWhitespaceSetting,
56};
57use markdown::Markdown;
58use multi_buffer::{
59 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
60 MultiBufferRow, RowInfo,
61};
62
63use project::{
64 Entry, ProjectPath,
65 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
66 project_settings::{GitGutterSetting, GitHunkStyleSetting, ProjectSettings},
67};
68use settings::Settings;
69use smallvec::{SmallVec, smallvec};
70use std::{
71 any::TypeId,
72 borrow::Cow,
73 cmp::{self, Ordering},
74 fmt::{self, Write},
75 iter, mem,
76 ops::{Deref, Range},
77 path::{self, Path},
78 rc::Rc,
79 sync::Arc,
80 time::{Duration, Instant},
81};
82use sum_tree::Bias;
83use text::{BufferId, SelectionGoal};
84use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
85use ui::utils::ensure_minimum_contrast;
86use ui::{
87 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
88 right_click_menu,
89};
90use unicode_segmentation::UnicodeSegmentation;
91use util::post_inc;
92use util::{RangeExt, ResultExt, debug_panic};
93use workspace::{
94 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
95 item::Item, notifications::NotifyTaskExt,
96};
97
98/// Determines what kinds of highlights should be applied to a lines background.
99#[derive(Clone, Copy, Default)]
100struct LineHighlightSpec {
101 selection: bool,
102 breakpoint: bool,
103 _active_stack_frame: bool,
104}
105
106#[derive(Debug)]
107struct SelectionLayout {
108 head: DisplayPoint,
109 cursor_shape: CursorShape,
110 is_newest: bool,
111 is_local: bool,
112 range: Range<DisplayPoint>,
113 active_rows: Range<DisplayRow>,
114 user_name: Option<SharedString>,
115}
116
117struct InlineBlameLayout {
118 element: AnyElement,
119 bounds: Bounds<Pixels>,
120 buffer_id: BufferId,
121 entry: BlameEntry,
122}
123
124impl SelectionLayout {
125 fn new<T: ToPoint + ToDisplayPoint + Clone>(
126 selection: Selection<T>,
127 line_mode: bool,
128 cursor_shape: CursorShape,
129 map: &DisplaySnapshot,
130 is_newest: bool,
131 is_local: bool,
132 user_name: Option<SharedString>,
133 ) -> Self {
134 let point_selection = selection.map(|p| p.to_point(&map.buffer_snapshot));
135 let display_selection = point_selection.map(|p| p.to_display_point(map));
136 let mut range = display_selection.range();
137 let mut head = display_selection.head();
138 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
139 ..map.next_line_boundary(point_selection.end).1.row();
140
141 // vim visual line mode
142 if line_mode {
143 let point_range = map.expand_to_line(point_selection.range());
144 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
145 }
146
147 // any vim visual mode (including line mode)
148 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
149 && !range.is_empty()
150 && !selection.reversed
151 {
152 if head.column() > 0 {
153 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
154 } else if head.row().0 > 0 && head != map.max_point() {
155 head = map.clip_point(
156 DisplayPoint::new(
157 head.row().previous_row(),
158 map.line_len(head.row().previous_row()),
159 ),
160 Bias::Left,
161 );
162 // updating range.end is a no-op unless you're cursor is
163 // on the newline containing a multi-buffer divider
164 // in which case the clip_point may have moved the head up
165 // an additional row.
166 range.end = DisplayPoint::new(head.row().next_row(), 0);
167 active_rows.end = head.row();
168 }
169 }
170
171 Self {
172 head,
173 cursor_shape,
174 is_newest,
175 is_local,
176 range,
177 active_rows,
178 user_name,
179 }
180 }
181}
182
183pub struct EditorElement {
184 editor: Entity<Editor>,
185 style: EditorStyle,
186}
187
188type DisplayRowDelta = u32;
189
190impl EditorElement {
191 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
192
193 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
194 Self {
195 editor: editor.clone(),
196 style,
197 }
198 }
199
200 fn register_actions(&self, window: &mut Window, cx: &mut App) {
201 let editor = &self.editor;
202 editor.update(cx, |editor, cx| {
203 for action in editor.editor_actions.borrow().values() {
204 (action)(editor, window, cx)
205 }
206 });
207
208 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
209 crate::clangd_ext::apply_related_actions(editor, window, cx);
210
211 register_action(editor, window, Editor::open_context_menu);
212 register_action(editor, window, Editor::move_left);
213 register_action(editor, window, Editor::move_right);
214 register_action(editor, window, Editor::move_down);
215 register_action(editor, window, Editor::move_down_by_lines);
216 register_action(editor, window, Editor::select_down_by_lines);
217 register_action(editor, window, Editor::move_up);
218 register_action(editor, window, Editor::move_up_by_lines);
219 register_action(editor, window, Editor::select_up_by_lines);
220 register_action(editor, window, Editor::select_page_down);
221 register_action(editor, window, Editor::select_page_up);
222 register_action(editor, window, Editor::cancel);
223 register_action(editor, window, Editor::newline);
224 register_action(editor, window, Editor::newline_above);
225 register_action(editor, window, Editor::newline_below);
226 register_action(editor, window, Editor::backspace);
227 register_action(editor, window, Editor::blame_hover);
228 register_action(editor, window, Editor::delete);
229 register_action(editor, window, Editor::tab);
230 register_action(editor, window, Editor::backtab);
231 register_action(editor, window, Editor::indent);
232 register_action(editor, window, Editor::outdent);
233 register_action(editor, window, Editor::autoindent);
234 register_action(editor, window, Editor::delete_line);
235 register_action(editor, window, Editor::join_lines);
236 register_action(editor, window, Editor::sort_lines_by_length);
237 register_action(editor, window, Editor::sort_lines_case_sensitive);
238 register_action(editor, window, Editor::sort_lines_case_insensitive);
239 register_action(editor, window, Editor::reverse_lines);
240 register_action(editor, window, Editor::shuffle_lines);
241 register_action(editor, window, Editor::convert_indentation_to_spaces);
242 register_action(editor, window, Editor::convert_indentation_to_tabs);
243 register_action(editor, window, Editor::convert_to_upper_case);
244 register_action(editor, window, Editor::convert_to_lower_case);
245 register_action(editor, window, Editor::convert_to_title_case);
246 register_action(editor, window, Editor::convert_to_snake_case);
247 register_action(editor, window, Editor::convert_to_kebab_case);
248 register_action(editor, window, Editor::convert_to_upper_camel_case);
249 register_action(editor, window, Editor::convert_to_lower_camel_case);
250 register_action(editor, window, Editor::convert_to_opposite_case);
251 register_action(editor, window, Editor::convert_to_sentence_case);
252 register_action(editor, window, Editor::toggle_case);
253 register_action(editor, window, Editor::convert_to_rot13);
254 register_action(editor, window, Editor::convert_to_rot47);
255 register_action(editor, window, Editor::delete_to_previous_word_start);
256 register_action(editor, window, Editor::delete_to_previous_subword_start);
257 register_action(editor, window, Editor::delete_to_next_word_end);
258 register_action(editor, window, Editor::delete_to_next_subword_end);
259 register_action(editor, window, Editor::delete_to_beginning_of_line);
260 register_action(editor, window, Editor::delete_to_end_of_line);
261 register_action(editor, window, Editor::cut_to_end_of_line);
262 register_action(editor, window, Editor::duplicate_line_up);
263 register_action(editor, window, Editor::duplicate_line_down);
264 register_action(editor, window, Editor::duplicate_selection);
265 register_action(editor, window, Editor::move_line_up);
266 register_action(editor, window, Editor::move_line_down);
267 register_action(editor, window, Editor::transpose);
268 register_action(editor, window, Editor::rewrap);
269 register_action(editor, window, Editor::cut);
270 register_action(editor, window, Editor::kill_ring_cut);
271 register_action(editor, window, Editor::kill_ring_yank);
272 register_action(editor, window, Editor::copy);
273 register_action(editor, window, Editor::copy_and_trim);
274 register_action(editor, window, Editor::diff_clipboard_with_selection);
275 register_action(editor, window, Editor::paste);
276 register_action(editor, window, Editor::undo);
277 register_action(editor, window, Editor::redo);
278 register_action(editor, window, Editor::move_page_up);
279 register_action(editor, window, Editor::move_page_down);
280 register_action(editor, window, Editor::next_screen);
281 register_action(editor, window, Editor::scroll_cursor_top);
282 register_action(editor, window, Editor::scroll_cursor_center);
283 register_action(editor, window, Editor::scroll_cursor_bottom);
284 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
285 register_action(editor, window, |editor, _: &LineDown, window, cx| {
286 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
287 });
288 register_action(editor, window, |editor, _: &LineUp, window, cx| {
289 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
290 });
291 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
292 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
293 });
294 register_action(
295 editor,
296 window,
297 |editor, HandleInput(text): &HandleInput, window, cx| {
298 if text.is_empty() {
299 return;
300 }
301 editor.handle_input(text, window, cx);
302 },
303 );
304 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
305 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
306 });
307 register_action(editor, window, |editor, _: &PageDown, window, cx| {
308 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
309 });
310 register_action(editor, window, |editor, _: &PageUp, window, cx| {
311 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
312 });
313 register_action(editor, window, Editor::move_to_previous_word_start);
314 register_action(editor, window, Editor::move_to_previous_subword_start);
315 register_action(editor, window, Editor::move_to_next_word_end);
316 register_action(editor, window, Editor::move_to_next_subword_end);
317 register_action(editor, window, Editor::move_to_beginning_of_line);
318 register_action(editor, window, Editor::move_to_end_of_line);
319 register_action(editor, window, Editor::move_to_start_of_paragraph);
320 register_action(editor, window, Editor::move_to_end_of_paragraph);
321 register_action(editor, window, Editor::move_to_beginning);
322 register_action(editor, window, Editor::move_to_end);
323 register_action(editor, window, Editor::move_to_start_of_excerpt);
324 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
325 register_action(editor, window, Editor::move_to_end_of_excerpt);
326 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
327 register_action(editor, window, Editor::select_up);
328 register_action(editor, window, Editor::select_down);
329 register_action(editor, window, Editor::select_left);
330 register_action(editor, window, Editor::select_right);
331 register_action(editor, window, Editor::select_to_previous_word_start);
332 register_action(editor, window, Editor::select_to_previous_subword_start);
333 register_action(editor, window, Editor::select_to_next_word_end);
334 register_action(editor, window, Editor::select_to_next_subword_end);
335 register_action(editor, window, Editor::select_to_beginning_of_line);
336 register_action(editor, window, Editor::select_to_end_of_line);
337 register_action(editor, window, Editor::select_to_start_of_paragraph);
338 register_action(editor, window, Editor::select_to_end_of_paragraph);
339 register_action(editor, window, Editor::select_to_start_of_excerpt);
340 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
341 register_action(editor, window, Editor::select_to_end_of_excerpt);
342 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
343 register_action(editor, window, Editor::select_to_beginning);
344 register_action(editor, window, Editor::select_to_end);
345 register_action(editor, window, Editor::select_all);
346 register_action(editor, window, |editor, action, window, cx| {
347 editor.select_all_matches(action, window, cx).log_err();
348 });
349 register_action(editor, window, Editor::select_line);
350 register_action(editor, window, Editor::split_selection_into_lines);
351 register_action(editor, window, Editor::add_selection_above);
352 register_action(editor, window, Editor::add_selection_below);
353 register_action(editor, window, |editor, action, window, cx| {
354 editor.select_next(action, window, cx).log_err();
355 });
356 register_action(editor, window, |editor, action, window, cx| {
357 editor.select_previous(action, window, cx).log_err();
358 });
359 register_action(editor, window, |editor, action, window, cx| {
360 editor.find_next_match(action, window, cx).log_err();
361 });
362 register_action(editor, window, |editor, action, window, cx| {
363 editor.find_previous_match(action, window, cx).log_err();
364 });
365 register_action(editor, window, Editor::toggle_comments);
366 register_action(editor, window, Editor::select_larger_syntax_node);
367 register_action(editor, window, Editor::select_smaller_syntax_node);
368 register_action(editor, window, Editor::unwrap_syntax_node);
369 register_action(editor, window, Editor::select_enclosing_symbol);
370 register_action(editor, window, Editor::move_to_enclosing_bracket);
371 register_action(editor, window, Editor::undo_selection);
372 register_action(editor, window, Editor::redo_selection);
373 if !editor.read(cx).is_singleton(cx) {
374 register_action(editor, window, Editor::expand_excerpts);
375 register_action(editor, window, Editor::expand_excerpts_up);
376 register_action(editor, window, Editor::expand_excerpts_down);
377 }
378 register_action(editor, window, Editor::go_to_diagnostic);
379 register_action(editor, window, Editor::go_to_prev_diagnostic);
380 register_action(editor, window, Editor::go_to_next_hunk);
381 register_action(editor, window, Editor::go_to_prev_hunk);
382 register_action(editor, window, |editor, action, window, cx| {
383 editor
384 .go_to_definition(action, window, cx)
385 .detach_and_log_err(cx);
386 });
387 register_action(editor, window, |editor, action, window, cx| {
388 editor
389 .go_to_definition_split(action, window, cx)
390 .detach_and_log_err(cx);
391 });
392 register_action(editor, window, |editor, action, window, cx| {
393 editor
394 .go_to_declaration(action, window, cx)
395 .detach_and_log_err(cx);
396 });
397 register_action(editor, window, |editor, action, window, cx| {
398 editor
399 .go_to_declaration_split(action, window, cx)
400 .detach_and_log_err(cx);
401 });
402 register_action(editor, window, |editor, action, window, cx| {
403 editor
404 .go_to_implementation(action, window, cx)
405 .detach_and_log_err(cx);
406 });
407 register_action(editor, window, |editor, action, window, cx| {
408 editor
409 .go_to_implementation_split(action, window, cx)
410 .detach_and_log_err(cx);
411 });
412 register_action(editor, window, |editor, action, window, cx| {
413 editor
414 .go_to_type_definition(action, window, cx)
415 .detach_and_log_err(cx);
416 });
417 register_action(editor, window, |editor, action, window, cx| {
418 editor
419 .go_to_type_definition_split(action, window, cx)
420 .detach_and_log_err(cx);
421 });
422 register_action(editor, window, Editor::open_url);
423 register_action(editor, window, Editor::open_selected_filename);
424 register_action(editor, window, Editor::fold);
425 register_action(editor, window, Editor::fold_at_level);
426 register_action(editor, window, Editor::fold_all);
427 register_action(editor, window, Editor::fold_function_bodies);
428 register_action(editor, window, Editor::fold_recursive);
429 register_action(editor, window, Editor::toggle_fold);
430 register_action(editor, window, Editor::toggle_fold_recursive);
431 register_action(editor, window, Editor::toggle_fold_all);
432 register_action(editor, window, Editor::unfold_lines);
433 register_action(editor, window, Editor::unfold_recursive);
434 register_action(editor, window, Editor::unfold_all);
435 register_action(editor, window, Editor::fold_selected_ranges);
436 register_action(editor, window, Editor::set_mark);
437 register_action(editor, window, Editor::swap_selection_ends);
438 register_action(editor, window, Editor::show_completions);
439 register_action(editor, window, Editor::show_word_completions);
440 register_action(editor, window, Editor::toggle_code_actions);
441 register_action(editor, window, Editor::open_excerpts);
442 register_action(editor, window, Editor::open_excerpts_in_split);
443 register_action(editor, window, Editor::toggle_soft_wrap);
444 register_action(editor, window, Editor::toggle_tab_bar);
445 register_action(editor, window, Editor::toggle_line_numbers);
446 register_action(editor, window, Editor::toggle_relative_line_numbers);
447 register_action(editor, window, Editor::toggle_indent_guides);
448 register_action(editor, window, Editor::toggle_inlay_hints);
449 register_action(editor, window, Editor::toggle_edit_predictions);
450 if editor.read(cx).diagnostics_enabled() {
451 register_action(editor, window, Editor::toggle_diagnostics);
452 }
453 if editor.read(cx).inline_diagnostics_enabled() {
454 register_action(editor, window, Editor::toggle_inline_diagnostics);
455 }
456 if editor.read(cx).supports_minimap(cx) {
457 register_action(editor, window, Editor::toggle_minimap);
458 }
459 register_action(editor, window, hover_popover::hover);
460 register_action(editor, window, Editor::reveal_in_finder);
461 register_action(editor, window, Editor::copy_path);
462 register_action(editor, window, Editor::copy_relative_path);
463 register_action(editor, window, Editor::copy_file_name);
464 register_action(editor, window, Editor::copy_file_name_without_extension);
465 register_action(editor, window, Editor::copy_highlight_json);
466 register_action(editor, window, Editor::copy_permalink_to_line);
467 register_action(editor, window, Editor::open_permalink_to_line);
468 register_action(editor, window, Editor::copy_file_location);
469 register_action(editor, window, Editor::toggle_git_blame);
470 register_action(editor, window, Editor::toggle_git_blame_inline);
471 register_action(editor, window, Editor::open_git_blame_commit);
472 register_action(editor, window, Editor::toggle_selected_diff_hunks);
473 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
474 register_action(editor, window, Editor::stage_and_next);
475 register_action(editor, window, Editor::unstage_and_next);
476 register_action(editor, window, Editor::expand_all_diff_hunks);
477 register_action(editor, window, Editor::go_to_previous_change);
478 register_action(editor, window, Editor::go_to_next_change);
479
480 register_action(editor, window, |editor, action, window, cx| {
481 if let Some(task) = editor.format(action, window, cx) {
482 task.detach_and_notify_err(window, cx);
483 } else {
484 cx.propagate();
485 }
486 });
487 register_action(editor, window, |editor, action, window, cx| {
488 if let Some(task) = editor.format_selections(action, window, cx) {
489 task.detach_and_notify_err(window, cx);
490 } else {
491 cx.propagate();
492 }
493 });
494 register_action(editor, window, |editor, action, window, cx| {
495 if let Some(task) = editor.organize_imports(action, window, cx) {
496 task.detach_and_notify_err(window, cx);
497 } else {
498 cx.propagate();
499 }
500 });
501 register_action(editor, window, Editor::restart_language_server);
502 register_action(editor, window, Editor::stop_language_server);
503 register_action(editor, window, Editor::show_character_palette);
504 register_action(editor, window, |editor, action, window, cx| {
505 if let Some(task) = editor.confirm_completion(action, window, cx) {
506 task.detach_and_notify_err(window, cx);
507 } else {
508 cx.propagate();
509 }
510 });
511 register_action(editor, window, |editor, action, window, cx| {
512 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
513 task.detach_and_notify_err(window, cx);
514 } else {
515 cx.propagate();
516 }
517 });
518 register_action(editor, window, |editor, action, window, cx| {
519 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
520 task.detach_and_notify_err(window, cx);
521 } else {
522 cx.propagate();
523 }
524 });
525 register_action(editor, window, |editor, action, window, cx| {
526 if let Some(task) = editor.compose_completion(action, window, cx) {
527 task.detach_and_notify_err(window, cx);
528 } else {
529 cx.propagate();
530 }
531 });
532 register_action(editor, window, |editor, action, window, cx| {
533 if let Some(task) = editor.confirm_code_action(action, window, cx) {
534 task.detach_and_notify_err(window, cx);
535 } else {
536 cx.propagate();
537 }
538 });
539 register_action(editor, window, |editor, action, window, cx| {
540 if let Some(task) = editor.rename(action, window, cx) {
541 task.detach_and_notify_err(window, cx);
542 } else {
543 cx.propagate();
544 }
545 });
546 register_action(editor, window, |editor, action, window, cx| {
547 if let Some(task) = editor.confirm_rename(action, window, cx) {
548 task.detach_and_notify_err(window, cx);
549 } else {
550 cx.propagate();
551 }
552 });
553 register_action(editor, window, |editor, action, window, cx| {
554 if let Some(task) = editor.find_all_references(action, window, cx) {
555 task.detach_and_log_err(cx);
556 } else {
557 cx.propagate();
558 }
559 });
560 register_action(editor, window, Editor::show_signature_help);
561 register_action(editor, window, Editor::signature_help_prev);
562 register_action(editor, window, Editor::signature_help_next);
563 register_action(editor, window, Editor::next_edit_prediction);
564 register_action(editor, window, Editor::previous_edit_prediction);
565 register_action(editor, window, Editor::show_edit_prediction);
566 register_action(editor, window, Editor::context_menu_first);
567 register_action(editor, window, Editor::context_menu_prev);
568 register_action(editor, window, Editor::context_menu_next);
569 register_action(editor, window, Editor::context_menu_last);
570 register_action(editor, window, Editor::display_cursor_names);
571 register_action(editor, window, Editor::unique_lines_case_insensitive);
572 register_action(editor, window, Editor::unique_lines_case_sensitive);
573 register_action(editor, window, Editor::accept_partial_edit_prediction);
574 register_action(editor, window, Editor::accept_edit_prediction);
575 register_action(editor, window, Editor::restore_file);
576 register_action(editor, window, Editor::git_restore);
577 register_action(editor, window, Editor::apply_all_diff_hunks);
578 register_action(editor, window, Editor::apply_selected_diff_hunks);
579 register_action(editor, window, Editor::open_active_item_in_terminal);
580 register_action(editor, window, Editor::reload_file);
581 register_action(editor, window, Editor::spawn_nearest_task);
582 register_action(editor, window, Editor::insert_uuid_v4);
583 register_action(editor, window, Editor::insert_uuid_v7);
584 register_action(editor, window, Editor::open_selections_in_multibuffer);
585 register_action(editor, window, Editor::toggle_breakpoint);
586 register_action(editor, window, Editor::edit_log_breakpoint);
587 register_action(editor, window, Editor::enable_breakpoint);
588 register_action(editor, window, Editor::disable_breakpoint);
589 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
590 register_action(editor, window, Editor::wrap_selections_in_tag);
591 }
592 }
593
594 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
595 let position_map = layout.position_map.clone();
596 window.on_key_event({
597 let editor = self.editor.clone();
598 move |event: &ModifiersChangedEvent, phase, window, cx| {
599 if phase != DispatchPhase::Bubble {
600 return;
601 }
602 editor.update(cx, |editor, cx| {
603 let inlay_hint_settings = inlay_hint_settings(
604 editor.selections.newest_anchor().head(),
605 &editor.buffer.read(cx).snapshot(cx),
606 cx,
607 );
608
609 if let Some(inlay_modifiers) = inlay_hint_settings
610 .toggle_on_modifiers_press
611 .as_ref()
612 .filter(|modifiers| modifiers.modified())
613 {
614 editor.refresh_inlay_hints(
615 InlayHintRefreshReason::ModifiersChanged(
616 inlay_modifiers == &event.modifiers,
617 ),
618 cx,
619 );
620 }
621
622 if editor.hover_state.focused(window, cx) {
623 return;
624 }
625
626 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
627 })
628 }
629 });
630 }
631
632 fn mouse_left_down(
633 editor: &mut Editor,
634 event: &MouseDownEvent,
635 hovered_hunk: Option<Range<Anchor>>,
636 position_map: &PositionMap,
637 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
638 window: &mut Window,
639 cx: &mut Context<Editor>,
640 ) {
641 if window.default_prevented() {
642 return;
643 }
644
645 let text_hitbox = &position_map.text_hitbox;
646 let gutter_hitbox = &position_map.gutter_hitbox;
647 let point_for_position = position_map.point_for_position(event.position);
648 let mut click_count = event.click_count;
649 let mut modifiers = event.modifiers;
650
651 if let Some(hovered_hunk) = hovered_hunk {
652 editor.toggle_single_diff_hunk(hovered_hunk, cx);
653 cx.notify();
654 return;
655 } else if gutter_hitbox.is_hovered(window) {
656 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
657 } else if !text_hitbox.is_hovered(window) {
658 return;
659 }
660
661 if EditorSettings::get_global(cx)
662 .drag_and_drop_selection
663 .enabled
664 && click_count == 1
665 {
666 let newest_anchor = editor.selections.newest_anchor();
667 let snapshot = editor.snapshot(window, cx);
668 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
669 if point_for_position.intersects_selection(&selection) {
670 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
671 selection: newest_anchor.clone(),
672 click_position: event.position,
673 mouse_down_time: Instant::now(),
674 };
675 cx.stop_propagation();
676 return;
677 }
678 }
679
680 let is_singleton = editor.buffer().read(cx).is_singleton();
681
682 if click_count == 2 && !is_singleton {
683 match EditorSettings::get_global(cx).double_click_in_multibuffer {
684 DoubleClickInMultibuffer::Select => {
685 // do nothing special on double click, all selection logic is below
686 }
687 DoubleClickInMultibuffer::Open => {
688 if modifiers.alt {
689 // if double click is made with alt, pretend it's a regular double click without opening and alt,
690 // and run the selection logic.
691 modifiers.alt = false;
692 } else {
693 let scroll_position_row =
694 position_map.scroll_pixel_position.y / position_map.line_height;
695 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
696 + position_map.scroll_pixel_position.y)
697 / position_map.line_height)
698 as u32;
699 let multi_buffer_row = position_map
700 .snapshot
701 .display_point_to_point(
702 DisplayPoint::new(DisplayRow(display_row), 0),
703 Bias::Right,
704 )
705 .row;
706 let line_offset_from_top = display_row - scroll_position_row as u32;
707 // if double click is made without alt, open the corresponding excerp
708 editor.open_excerpts_common(
709 Some(JumpData::MultiBufferRow {
710 row: MultiBufferRow(multi_buffer_row),
711 line_offset_from_top,
712 }),
713 false,
714 window,
715 cx,
716 );
717 return;
718 }
719 }
720 }
721 }
722
723 let position = point_for_position.previous_valid;
724 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
725 editor.select(
726 SelectPhase::BeginColumnar {
727 position,
728 reset: match mode {
729 ColumnarMode::FromMouse => true,
730 ColumnarMode::FromSelection => false,
731 },
732 mode,
733 goal_column: point_for_position.exact_unclipped.column(),
734 },
735 window,
736 cx,
737 );
738 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
739 {
740 editor.select(
741 SelectPhase::Extend {
742 position,
743 click_count,
744 },
745 window,
746 cx,
747 );
748 } else {
749 editor.select(
750 SelectPhase::Begin {
751 position,
752 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
753 click_count,
754 },
755 window,
756 cx,
757 );
758 }
759 cx.stop_propagation();
760
761 if !is_singleton {
762 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
763 + position_map.scroll_pixel_position.y)
764 / position_map.line_height) as u32;
765 let multi_buffer_row = position_map
766 .snapshot
767 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
768 .row;
769 if line_numbers
770 .get(&MultiBufferRow(multi_buffer_row))
771 .and_then(|line_number| line_number.hitbox.as_ref())
772 .is_some_and(|hitbox| hitbox.contains(&event.position))
773 {
774 let scroll_position_row =
775 position_map.scroll_pixel_position.y / position_map.line_height;
776 let line_offset_from_top = display_row - scroll_position_row as u32;
777
778 editor.open_excerpts_common(
779 Some(JumpData::MultiBufferRow {
780 row: MultiBufferRow(multi_buffer_row),
781 line_offset_from_top,
782 }),
783 modifiers.alt,
784 window,
785 cx,
786 );
787 cx.stop_propagation();
788 }
789 }
790 }
791
792 fn mouse_right_down(
793 editor: &mut Editor,
794 event: &MouseDownEvent,
795 position_map: &PositionMap,
796 window: &mut Window,
797 cx: &mut Context<Editor>,
798 ) {
799 if position_map.gutter_hitbox.is_hovered(window) {
800 let gutter_right_padding = editor.gutter_dimensions.right_padding;
801 let hitbox = &position_map.gutter_hitbox;
802
803 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
804 let point_for_position = position_map.point_for_position(event.position);
805 editor.set_breakpoint_context_menu(
806 point_for_position.previous_valid.row(),
807 None,
808 event.position,
809 window,
810 cx,
811 );
812 }
813 return;
814 }
815
816 if !position_map.text_hitbox.is_hovered(window) {
817 return;
818 }
819
820 let point_for_position = position_map.point_for_position(event.position);
821 mouse_context_menu::deploy_context_menu(
822 editor,
823 Some(event.position),
824 point_for_position.previous_valid,
825 window,
826 cx,
827 );
828 cx.stop_propagation();
829 }
830
831 fn mouse_middle_down(
832 editor: &mut Editor,
833 event: &MouseDownEvent,
834 position_map: &PositionMap,
835 window: &mut Window,
836 cx: &mut Context<Editor>,
837 ) {
838 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
839 return;
840 }
841
842 let point_for_position = position_map.point_for_position(event.position);
843 let position = point_for_position.previous_valid;
844
845 editor.select(
846 SelectPhase::BeginColumnar {
847 position,
848 reset: true,
849 mode: ColumnarMode::FromMouse,
850 goal_column: point_for_position.exact_unclipped.column(),
851 },
852 window,
853 cx,
854 );
855 }
856
857 fn mouse_up(
858 editor: &mut Editor,
859 event: &MouseUpEvent,
860 position_map: &PositionMap,
861 window: &mut Window,
862 cx: &mut Context<Editor>,
863 ) {
864 let text_hitbox = &position_map.text_hitbox;
865 let end_selection = editor.has_pending_selection();
866 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
867 let point_for_position = position_map.point_for_position(event.position);
868
869 match editor.selection_drag_state {
870 SelectionDragState::ReadyToDrag {
871 selection: _,
872 ref click_position,
873 mouse_down_time: _,
874 } => {
875 if event.position == *click_position {
876 editor.select(
877 SelectPhase::Begin {
878 position: point_for_position.previous_valid,
879 add: false,
880 click_count: 1, // ready to drag state only occurs on click count 1
881 },
882 window,
883 cx,
884 );
885 editor.selection_drag_state = SelectionDragState::None;
886 cx.stop_propagation();
887 return;
888 } else {
889 debug_panic!("drag state can never be in ready state after drag")
890 }
891 }
892 SelectionDragState::Dragging { ref selection, .. } => {
893 let snapshot = editor.snapshot(window, cx);
894 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
895 if !point_for_position.intersects_selection(&selection_display)
896 && text_hitbox.is_hovered(window)
897 {
898 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
899 || cfg!(not(target_os = "macos")) && event.modifiers.control);
900 editor.move_selection_on_drop(
901 &selection.clone(),
902 point_for_position.previous_valid,
903 is_cut,
904 window,
905 cx,
906 );
907 }
908 editor.selection_drag_state = SelectionDragState::None;
909 cx.stop_propagation();
910 cx.notify();
911 return;
912 }
913 _ => {}
914 }
915
916 if end_selection {
917 editor.select(SelectPhase::End, window, cx);
918 }
919
920 if end_selection && pending_nonempty_selections {
921 cx.stop_propagation();
922 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
923 && event.button == MouseButton::Middle
924 {
925 #[allow(
926 clippy::collapsible_if,
927 clippy::needless_return,
928 reason = "The cfg-block below makes this a false positive"
929 )]
930 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
931 return;
932 }
933
934 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
935 if EditorSettings::get_global(cx).middle_click_paste {
936 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
937 let point_for_position = position_map.point_for_position(event.position);
938 let position = point_for_position.previous_valid;
939
940 editor.select(
941 SelectPhase::Begin {
942 position,
943 add: false,
944 click_count: 1,
945 },
946 window,
947 cx,
948 );
949 editor.insert(&text, window, cx);
950 }
951 cx.stop_propagation()
952 }
953 }
954 }
955
956 fn click(
957 editor: &mut Editor,
958 event: &ClickEvent,
959 position_map: &PositionMap,
960 window: &mut Window,
961 cx: &mut Context<Editor>,
962 ) {
963 let text_hitbox = &position_map.text_hitbox;
964 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
965
966 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
967
968 if let Some(mouse_position) = event.mouse_position()
969 && !pending_nonempty_selections
970 && hovered_link_modifier
971 && text_hitbox.is_hovered(window)
972 {
973 let point = position_map.point_for_position(mouse_position);
974 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
975 editor.selection_drag_state = SelectionDragState::None;
976
977 cx.stop_propagation();
978 }
979 }
980
981 fn mouse_dragged(
982 editor: &mut Editor,
983 event: &MouseMoveEvent,
984 position_map: &PositionMap,
985 window: &mut Window,
986 cx: &mut Context<Editor>,
987 ) {
988 if !editor.has_pending_selection()
989 && matches!(editor.selection_drag_state, SelectionDragState::None)
990 {
991 return;
992 }
993
994 let point_for_position = position_map.point_for_position(event.position);
995 let text_hitbox = &position_map.text_hitbox;
996
997 let scroll_delta = {
998 let text_bounds = text_hitbox.bounds;
999 let mut scroll_delta = gpui::Point::<f32>::default();
1000 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1001 let top = text_bounds.origin.y + vertical_margin;
1002 let bottom = text_bounds.bottom_left().y - vertical_margin;
1003 if event.position.y < top {
1004 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1005 }
1006 if event.position.y > bottom {
1007 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1008 }
1009
1010 // We need horizontal width of text
1011 let style = editor.style.clone().unwrap_or_default();
1012 let font_id = window.text_system().resolve_font(&style.text.font());
1013 let font_size = style.text.font_size.to_pixels(window.rem_size());
1014 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1015
1016 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1017
1018 let scroll_space: Pixels = scroll_margin_x * em_width;
1019
1020 let left = text_bounds.origin.x + scroll_space;
1021 let right = text_bounds.top_right().x - scroll_space;
1022
1023 if event.position.x < left {
1024 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1025 }
1026 if event.position.x > right {
1027 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1028 }
1029 scroll_delta
1030 };
1031
1032 if !editor.has_pending_selection() {
1033 let drop_anchor = position_map
1034 .snapshot
1035 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1036 match editor.selection_drag_state {
1037 SelectionDragState::Dragging {
1038 ref mut drop_cursor,
1039 ref mut hide_drop_cursor,
1040 ..
1041 } => {
1042 drop_cursor.start = drop_anchor;
1043 drop_cursor.end = drop_anchor;
1044 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1045 editor.apply_scroll_delta(scroll_delta, window, cx);
1046 cx.notify();
1047 }
1048 SelectionDragState::ReadyToDrag {
1049 ref selection,
1050 ref click_position,
1051 ref mouse_down_time,
1052 } => {
1053 let drag_and_drop_delay = Duration::from_millis(
1054 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1055 );
1056 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1057 let drop_cursor = Selection {
1058 id: post_inc(&mut editor.selections.next_selection_id),
1059 start: drop_anchor,
1060 end: drop_anchor,
1061 reversed: false,
1062 goal: SelectionGoal::None,
1063 };
1064 editor.selection_drag_state = SelectionDragState::Dragging {
1065 selection: selection.clone(),
1066 drop_cursor,
1067 hide_drop_cursor: false,
1068 };
1069 editor.apply_scroll_delta(scroll_delta, window, cx);
1070 cx.notify();
1071 } else {
1072 let click_point = position_map.point_for_position(*click_position);
1073 editor.selection_drag_state = SelectionDragState::None;
1074 editor.select(
1075 SelectPhase::Begin {
1076 position: click_point.previous_valid,
1077 add: false,
1078 click_count: 1,
1079 },
1080 window,
1081 cx,
1082 );
1083 editor.select(
1084 SelectPhase::Update {
1085 position: point_for_position.previous_valid,
1086 goal_column: point_for_position.exact_unclipped.column(),
1087 scroll_delta,
1088 },
1089 window,
1090 cx,
1091 );
1092 }
1093 }
1094 _ => {}
1095 }
1096 } else {
1097 editor.select(
1098 SelectPhase::Update {
1099 position: point_for_position.previous_valid,
1100 goal_column: point_for_position.exact_unclipped.column(),
1101 scroll_delta,
1102 },
1103 window,
1104 cx,
1105 );
1106 }
1107 }
1108
1109 fn mouse_moved(
1110 editor: &mut Editor,
1111 event: &MouseMoveEvent,
1112 position_map: &PositionMap,
1113 window: &mut Window,
1114 cx: &mut Context<Editor>,
1115 ) {
1116 let text_hitbox = &position_map.text_hitbox;
1117 let gutter_hitbox = &position_map.gutter_hitbox;
1118 let modifiers = event.modifiers;
1119 let text_hovered = text_hitbox.is_hovered(window);
1120 let gutter_hovered = gutter_hitbox.is_hovered(window);
1121 editor.set_gutter_hovered(gutter_hovered, cx);
1122 editor.show_mouse_cursor(cx);
1123
1124 let point_for_position = position_map.point_for_position(event.position);
1125 let valid_point = point_for_position.previous_valid;
1126
1127 let hovered_diff_control = position_map
1128 .diff_hunk_control_bounds
1129 .iter()
1130 .find(|(_, bounds)| bounds.contains(&event.position))
1131 .map(|(row, _)| *row);
1132
1133 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1134 Some(control_row)
1135 } else if text_hovered {
1136 let current_row = valid_point.row();
1137 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1138 if let DisplayDiffHunk::Unfolded {
1139 display_row_range, ..
1140 } = hunk
1141 {
1142 if display_row_range.contains(¤t_row) {
1143 Some(display_row_range.start)
1144 } else {
1145 None
1146 }
1147 } else {
1148 None
1149 }
1150 })
1151 } else {
1152 None
1153 };
1154
1155 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1156 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1157 cx.notify();
1158 }
1159
1160 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1161 let mouse_over_inline_blame = bounds.contains(&event.position);
1162 let mouse_over_popover = editor
1163 .inline_blame_popover
1164 .as_ref()
1165 .and_then(|state| state.popover_bounds)
1166 .is_some_and(|bounds| bounds.contains(&event.position));
1167 let keyboard_grace = editor
1168 .inline_blame_popover
1169 .as_ref()
1170 .is_some_and(|state| state.keyboard_grace);
1171
1172 if mouse_over_inline_blame || mouse_over_popover {
1173 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1174 } else if !keyboard_grace {
1175 editor.hide_blame_popover(cx);
1176 }
1177 } else {
1178 editor.hide_blame_popover(cx);
1179 }
1180
1181 let breakpoint_indicator = if gutter_hovered {
1182 let buffer_anchor = position_map
1183 .snapshot
1184 .display_point_to_anchor(valid_point, Bias::Left);
1185
1186 if let Some((buffer_snapshot, file)) = position_map
1187 .snapshot
1188 .buffer_snapshot
1189 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1190 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1191 {
1192 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1193
1194 let is_visible = editor
1195 .gutter_breakpoint_indicator
1196 .0
1197 .is_some_and(|indicator| indicator.is_active);
1198
1199 let has_existing_breakpoint =
1200 editor.breakpoint_store.as_ref().is_some_and(|store| {
1201 let Some(project) = &editor.project else {
1202 return false;
1203 };
1204 let Some(abs_path) = project.read(cx).absolute_path(
1205 &ProjectPath {
1206 path: file.path().clone(),
1207 worktree_id: file.worktree_id(cx),
1208 },
1209 cx,
1210 ) else {
1211 return false;
1212 };
1213 store
1214 .read(cx)
1215 .breakpoint_at_row(&abs_path, as_point.row, cx)
1216 .is_some()
1217 });
1218
1219 if !is_visible {
1220 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1221 cx.spawn(async move |this, cx| {
1222 cx.background_executor()
1223 .timer(Duration::from_millis(200))
1224 .await;
1225
1226 this.update(cx, |this, cx| {
1227 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1228 {
1229 indicator.is_active = true;
1230 cx.notify();
1231 }
1232 })
1233 .ok();
1234 })
1235 });
1236 }
1237
1238 Some(PhantomBreakpointIndicator {
1239 display_row: valid_point.row(),
1240 is_active: is_visible,
1241 collides_with_existing_breakpoint: has_existing_breakpoint,
1242 })
1243 } else {
1244 editor.gutter_breakpoint_indicator.1 = None;
1245 None
1246 }
1247 } else {
1248 editor.gutter_breakpoint_indicator.1 = None;
1249 None
1250 };
1251
1252 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1253 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1254 cx.notify();
1255 }
1256
1257 // Don't trigger hover popover if mouse is hovering over context menu
1258 if text_hovered {
1259 editor.update_hovered_link(
1260 point_for_position,
1261 &position_map.snapshot,
1262 modifiers,
1263 window,
1264 cx,
1265 );
1266
1267 if let Some(point) = point_for_position.as_valid() {
1268 let anchor = position_map
1269 .snapshot
1270 .buffer_snapshot
1271 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1272 hover_at(editor, Some(anchor), window, cx);
1273 Self::update_visible_cursor(editor, point, position_map, window, cx);
1274 } else {
1275 hover_at(editor, None, window, cx);
1276 }
1277 } else {
1278 editor.hide_hovered_link(cx);
1279 hover_at(editor, None, window, cx);
1280 }
1281 }
1282
1283 fn update_visible_cursor(
1284 editor: &mut Editor,
1285 point: DisplayPoint,
1286 position_map: &PositionMap,
1287 window: &mut Window,
1288 cx: &mut Context<Editor>,
1289 ) {
1290 let snapshot = &position_map.snapshot;
1291 let Some(hub) = editor.collaboration_hub() else {
1292 return;
1293 };
1294 let start = snapshot.display_snapshot.clip_point(
1295 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1296 Bias::Left,
1297 );
1298 let end = snapshot.display_snapshot.clip_point(
1299 DisplayPoint::new(
1300 point.row(),
1301 (point.column() + 1).min(snapshot.line_len(point.row())),
1302 ),
1303 Bias::Right,
1304 );
1305
1306 let range = snapshot
1307 .buffer_snapshot
1308 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1309 ..snapshot
1310 .buffer_snapshot
1311 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1312
1313 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1314 return;
1315 };
1316 let key = crate::HoveredCursor {
1317 replica_id: selection.replica_id,
1318 selection_id: selection.selection.id,
1319 };
1320 editor.hovered_cursors.insert(
1321 key.clone(),
1322 cx.spawn_in(window, async move |editor, cx| {
1323 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1324 editor
1325 .update(cx, |editor, cx| {
1326 editor.hovered_cursors.remove(&key);
1327 cx.notify();
1328 })
1329 .ok();
1330 }),
1331 );
1332 cx.notify()
1333 }
1334
1335 fn layout_selections(
1336 &self,
1337 start_anchor: Anchor,
1338 end_anchor: Anchor,
1339 local_selections: &[Selection<Point>],
1340 snapshot: &EditorSnapshot,
1341 start_row: DisplayRow,
1342 end_row: DisplayRow,
1343 window: &mut Window,
1344 cx: &mut App,
1345 ) -> (
1346 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1347 BTreeMap<DisplayRow, LineHighlightSpec>,
1348 Option<DisplayPoint>,
1349 ) {
1350 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1351 let mut active_rows = BTreeMap::new();
1352 let mut newest_selection_head = None;
1353
1354 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1355 return (selections, active_rows, newest_selection_head);
1356 };
1357
1358 editor_with_selections.update(cx, |editor, cx| {
1359 if editor.show_local_selections {
1360 let mut layouts = Vec::new();
1361 let newest = editor.selections.newest(cx);
1362 for selection in local_selections.iter().cloned() {
1363 let is_empty = selection.start == selection.end;
1364 let is_newest = selection == newest;
1365
1366 let layout = SelectionLayout::new(
1367 selection,
1368 editor.selections.line_mode,
1369 editor.cursor_shape,
1370 &snapshot.display_snapshot,
1371 is_newest,
1372 editor.leader_id.is_none(),
1373 None,
1374 );
1375 if is_newest {
1376 newest_selection_head = Some(layout.head);
1377 }
1378
1379 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1380 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1381 {
1382 let contains_non_empty_selection = active_rows
1383 .entry(DisplayRow(row))
1384 .or_insert_with(LineHighlightSpec::default);
1385 contains_non_empty_selection.selection |= !is_empty;
1386 }
1387 layouts.push(layout);
1388 }
1389
1390 let player = editor.current_user_player_color(cx);
1391 selections.push((player, layouts));
1392
1393 if let SelectionDragState::Dragging {
1394 ref selection,
1395 ref drop_cursor,
1396 ref hide_drop_cursor,
1397 } = editor.selection_drag_state
1398 && !hide_drop_cursor
1399 && (drop_cursor
1400 .start
1401 .cmp(&selection.start, &snapshot.buffer_snapshot)
1402 .eq(&Ordering::Less)
1403 || drop_cursor
1404 .end
1405 .cmp(&selection.end, &snapshot.buffer_snapshot)
1406 .eq(&Ordering::Greater))
1407 {
1408 let drag_cursor_layout = SelectionLayout::new(
1409 drop_cursor.clone(),
1410 false,
1411 CursorShape::Bar,
1412 &snapshot.display_snapshot,
1413 false,
1414 false,
1415 None,
1416 );
1417 let absent_color = cx.theme().players().absent();
1418 selections.push((absent_color, vec![drag_cursor_layout]));
1419 }
1420 }
1421
1422 if let Some(collaboration_hub) = &editor.collaboration_hub {
1423 // When following someone, render the local selections in their color.
1424 if let Some(leader_id) = editor.leader_id {
1425 match leader_id {
1426 CollaboratorId::PeerId(peer_id) => {
1427 if let Some(collaborator) =
1428 collaboration_hub.collaborators(cx).get(&peer_id)
1429 && let Some(participant_index) = collaboration_hub
1430 .user_participant_indices(cx)
1431 .get(&collaborator.user_id)
1432 && let Some((local_selection_style, _)) = selections.first_mut()
1433 {
1434 *local_selection_style = cx
1435 .theme()
1436 .players()
1437 .color_for_participant(participant_index.0);
1438 }
1439 }
1440 CollaboratorId::Agent => {
1441 if let Some((local_selection_style, _)) = selections.first_mut() {
1442 *local_selection_style = cx.theme().players().agent();
1443 }
1444 }
1445 }
1446 }
1447
1448 let mut remote_selections = HashMap::default();
1449 for selection in snapshot.remote_selections_in_range(
1450 &(start_anchor..end_anchor),
1451 collaboration_hub.as_ref(),
1452 cx,
1453 ) {
1454 // Don't re-render the leader's selections, since the local selections
1455 // match theirs.
1456 if Some(selection.collaborator_id) == editor.leader_id {
1457 continue;
1458 }
1459 let key = HoveredCursor {
1460 replica_id: selection.replica_id,
1461 selection_id: selection.selection.id,
1462 };
1463
1464 let is_shown =
1465 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1466
1467 remote_selections
1468 .entry(selection.replica_id)
1469 .or_insert((selection.color, Vec::new()))
1470 .1
1471 .push(SelectionLayout::new(
1472 selection.selection,
1473 selection.line_mode,
1474 selection.cursor_shape,
1475 &snapshot.display_snapshot,
1476 false,
1477 false,
1478 if is_shown { selection.user_name } else { None },
1479 ));
1480 }
1481
1482 selections.extend(remote_selections.into_values());
1483 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1484 let layouts = snapshot
1485 .buffer_snapshot
1486 .selections_in_range(&(start_anchor..end_anchor), true)
1487 .map(move |(_, line_mode, cursor_shape, selection)| {
1488 SelectionLayout::new(
1489 selection,
1490 line_mode,
1491 cursor_shape,
1492 &snapshot.display_snapshot,
1493 false,
1494 false,
1495 None,
1496 )
1497 })
1498 .collect::<Vec<_>>();
1499 let player = editor.current_user_player_color(cx);
1500 selections.push((player, layouts));
1501 }
1502 });
1503 (selections, active_rows, newest_selection_head)
1504 }
1505
1506 fn collect_cursors(
1507 &self,
1508 snapshot: &EditorSnapshot,
1509 cx: &mut App,
1510 ) -> Vec<(DisplayPoint, Hsla)> {
1511 let editor = self.editor.read(cx);
1512 let mut cursors = Vec::new();
1513 let mut skip_local = false;
1514 let mut add_cursor = |anchor: Anchor, color| {
1515 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1516 };
1517 // Remote cursors
1518 if let Some(collaboration_hub) = &editor.collaboration_hub {
1519 for remote_selection in snapshot.remote_selections_in_range(
1520 &(Anchor::min()..Anchor::max()),
1521 collaboration_hub.deref(),
1522 cx,
1523 ) {
1524 add_cursor(
1525 remote_selection.selection.head(),
1526 remote_selection.color.cursor,
1527 );
1528 if Some(remote_selection.collaborator_id) == editor.leader_id {
1529 skip_local = true;
1530 }
1531 }
1532 }
1533 // Local cursors
1534 if !skip_local {
1535 let color = cx.theme().players().local().cursor;
1536 editor.selections.disjoint.iter().for_each(|selection| {
1537 add_cursor(selection.head(), color);
1538 });
1539 if let Some(ref selection) = editor.selections.pending_anchor() {
1540 add_cursor(selection.head(), color);
1541 }
1542 }
1543 cursors
1544 }
1545
1546 fn layout_visible_cursors(
1547 &self,
1548 snapshot: &EditorSnapshot,
1549 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1550 row_block_types: &HashMap<DisplayRow, bool>,
1551 visible_display_row_range: Range<DisplayRow>,
1552 line_layouts: &[LineWithInvisibles],
1553 text_hitbox: &Hitbox,
1554 content_origin: gpui::Point<Pixels>,
1555 scroll_position: gpui::Point<f32>,
1556 scroll_pixel_position: gpui::Point<Pixels>,
1557 line_height: Pixels,
1558 em_width: Pixels,
1559 em_advance: Pixels,
1560 autoscroll_containing_element: bool,
1561 window: &mut Window,
1562 cx: &mut App,
1563 ) -> Vec<CursorLayout> {
1564 let mut autoscroll_bounds = None;
1565 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1566 let mut cursors = Vec::new();
1567
1568 let show_local_cursors = editor.show_local_cursors(window, cx);
1569
1570 for (player_color, selections) in selections {
1571 for selection in selections {
1572 let cursor_position = selection.head;
1573
1574 let in_range = visible_display_row_range.contains(&cursor_position.row());
1575 if (selection.is_local && !show_local_cursors)
1576 || !in_range
1577 || row_block_types.get(&cursor_position.row()) == Some(&true)
1578 {
1579 continue;
1580 }
1581
1582 let cursor_row_layout = &line_layouts
1583 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1584 let cursor_column = cursor_position.column() as usize;
1585
1586 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1587 let mut block_width =
1588 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1589 if block_width == Pixels::ZERO {
1590 block_width = em_advance;
1591 }
1592 let block_text = if let CursorShape::Block = selection.cursor_shape {
1593 snapshot
1594 .grapheme_at(cursor_position)
1595 .or_else(|| {
1596 if snapshot.is_empty() {
1597 snapshot.placeholder_text().and_then(|s| {
1598 s.graphemes(true).next().map(|s| s.to_string().into())
1599 })
1600 } else {
1601 None
1602 }
1603 })
1604 .map(|text| {
1605 let len = text.len();
1606
1607 let font = cursor_row_layout
1608 .font_id_for_index(cursor_column)
1609 .and_then(|cursor_font_id| {
1610 window.text_system().get_font_for_id(cursor_font_id)
1611 })
1612 .unwrap_or(self.style.text.font());
1613
1614 // Invert the text color for the block cursor. Ensure that the text
1615 // color is opaque enough to be visible against the background color.
1616 //
1617 // 0.75 is an arbitrary threshold to determine if the background color is
1618 // opaque enough to use as a text color.
1619 //
1620 // TODO: In the future we should ensure themes have a `text_inverse` color.
1621 let color = if cx.theme().colors().editor_background.a < 0.75 {
1622 match cx.theme().appearance {
1623 Appearance::Dark => Hsla::black(),
1624 Appearance::Light => Hsla::white(),
1625 }
1626 } else {
1627 cx.theme().colors().editor_background
1628 };
1629
1630 window.text_system().shape_line(
1631 text,
1632 cursor_row_layout.font_size,
1633 &[TextRun {
1634 len,
1635 font,
1636 color,
1637 background_color: None,
1638 strikethrough: None,
1639 underline: None,
1640 }],
1641 None,
1642 )
1643 })
1644 } else {
1645 None
1646 };
1647
1648 let x = cursor_character_x - scroll_pixel_position.x;
1649 let y = (cursor_position.row().as_f32()
1650 - scroll_pixel_position.y / line_height)
1651 * line_height;
1652 if selection.is_newest {
1653 editor.pixel_position_of_newest_cursor = Some(point(
1654 text_hitbox.origin.x + x + block_width / 2.,
1655 text_hitbox.origin.y + y + line_height / 2.,
1656 ));
1657
1658 if autoscroll_containing_element {
1659 let top = text_hitbox.origin.y
1660 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1661 * line_height;
1662 let left = text_hitbox.origin.x
1663 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1664 .max(0.)
1665 * em_width;
1666
1667 let bottom = text_hitbox.origin.y
1668 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1669 * line_height;
1670 let right = text_hitbox.origin.x
1671 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1672 * em_width;
1673
1674 autoscroll_bounds =
1675 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1676 }
1677 }
1678
1679 let mut cursor = CursorLayout {
1680 color: player_color.cursor,
1681 block_width,
1682 origin: point(x, y),
1683 line_height,
1684 shape: selection.cursor_shape,
1685 block_text,
1686 cursor_name: None,
1687 };
1688 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1689 string: name,
1690 color: self.style.background,
1691 is_top_row: cursor_position.row().0 == 0,
1692 });
1693 cursor.layout(content_origin, cursor_name, window, cx);
1694 cursors.push(cursor);
1695 }
1696 }
1697
1698 cursors
1699 });
1700
1701 if let Some(bounds) = autoscroll_bounds {
1702 window.request_autoscroll(bounds);
1703 }
1704
1705 cursor_layouts
1706 }
1707
1708 fn layout_scrollbars(
1709 &self,
1710 snapshot: &EditorSnapshot,
1711 scrollbar_layout_information: &ScrollbarLayoutInformation,
1712 content_offset: gpui::Point<Pixels>,
1713 scroll_position: gpui::Point<f32>,
1714 non_visible_cursors: bool,
1715 right_margin: Pixels,
1716 editor_width: Pixels,
1717 window: &mut Window,
1718 cx: &mut App,
1719 ) -> Option<EditorScrollbars> {
1720 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1721 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1722 || self.style.scrollbar_width.is_zero()
1723 {
1724 return None;
1725 }
1726
1727 // If a drag took place after we started dragging the scrollbar,
1728 // cancel the scrollbar drag.
1729 if cx.has_active_drag() {
1730 self.editor.update(cx, |editor, cx| {
1731 editor.scroll_manager.reset_scrollbar_state(cx)
1732 });
1733 }
1734
1735 let editor_settings = EditorSettings::get_global(cx);
1736 let scrollbar_settings = editor_settings.scrollbar;
1737 let show_scrollbars = match scrollbar_settings.show {
1738 ShowScrollbar::Auto => {
1739 let editor = self.editor.read(cx);
1740 let is_singleton = editor.is_singleton(cx);
1741 // Git
1742 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1743 ||
1744 // Buffer Search Results
1745 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1746 ||
1747 // Selected Text Occurrences
1748 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1749 ||
1750 // Selected Symbol Occurrences
1751 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1752 ||
1753 // Diagnostics
1754 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1755 ||
1756 // Cursors out of sight
1757 non_visible_cursors
1758 ||
1759 // Scrollmanager
1760 editor.scroll_manager.scrollbars_visible()
1761 }
1762 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1763 ShowScrollbar::Always => true,
1764 ShowScrollbar::Never => return None,
1765 };
1766
1767 // The horizontal scrollbar is usually slightly offset to align nicely with
1768 // indent guides. However, this offset is not needed if indent guides are
1769 // disabled for the current editor.
1770 let content_offset = self
1771 .editor
1772 .read(cx)
1773 .show_indent_guides
1774 .is_none_or(|should_show| should_show)
1775 .then_some(content_offset)
1776 .unwrap_or_default();
1777
1778 Some(EditorScrollbars::from_scrollbar_axes(
1779 ScrollbarAxes {
1780 horizontal: scrollbar_settings.axes.horizontal
1781 && self.editor.read(cx).show_scrollbars.horizontal,
1782 vertical: scrollbar_settings.axes.vertical
1783 && self.editor.read(cx).show_scrollbars.vertical,
1784 },
1785 scrollbar_layout_information,
1786 content_offset,
1787 scroll_position,
1788 self.style.scrollbar_width,
1789 right_margin,
1790 editor_width,
1791 show_scrollbars,
1792 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1793 window,
1794 ))
1795 }
1796
1797 fn layout_minimap(
1798 &self,
1799 snapshot: &EditorSnapshot,
1800 minimap_width: Pixels,
1801 scroll_position: gpui::Point<f32>,
1802 scrollbar_layout_information: &ScrollbarLayoutInformation,
1803 scrollbar_layout: Option<&EditorScrollbars>,
1804 window: &mut Window,
1805 cx: &mut App,
1806 ) -> Option<MinimapLayout> {
1807 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1808
1809 let minimap_settings = EditorSettings::get_global(cx).minimap;
1810
1811 if minimap_settings.on_active_editor() {
1812 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1813 ws.read(cx)
1814 .active_pane()
1815 .read(cx)
1816 .active_item()
1817 .and_then(|i| i.act_as::<Editor>(cx))
1818 });
1819 if active_editor.is_some_and(|e| e != self.editor) {
1820 return None;
1821 }
1822 }
1823
1824 if !snapshot.mode.is_full()
1825 || minimap_width.is_zero()
1826 || matches!(
1827 minimap_settings.show,
1828 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1829 )
1830 {
1831 return None;
1832 }
1833
1834 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1835
1836 let ScrollbarLayoutInformation {
1837 editor_bounds,
1838 scroll_range,
1839 glyph_grid_cell,
1840 } = scrollbar_layout_information;
1841
1842 let line_height = glyph_grid_cell.height;
1843 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1844
1845 let top_right_anchor = scrollbar_layout
1846 .and_then(|layout| layout.vertical.as_ref())
1847 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1848 .unwrap_or_else(|| editor_bounds.top_right());
1849
1850 let thumb_state = self
1851 .editor
1852 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1853
1854 let show_thumb = match minimap_settings.thumb {
1855 MinimapThumb::Always => true,
1856 MinimapThumb::Hover => thumb_state.is_some(),
1857 };
1858
1859 let minimap_bounds = Bounds::from_corner_and_size(
1860 Corner::TopRight,
1861 top_right_anchor,
1862 size(minimap_width, editor_bounds.size.height),
1863 );
1864 let minimap_line_height = self.get_minimap_line_height(
1865 minimap_editor
1866 .read(cx)
1867 .text_style_refinement
1868 .as_ref()
1869 .and_then(|refinement| refinement.font_size)
1870 .unwrap_or(MINIMAP_FONT_SIZE),
1871 window,
1872 cx,
1873 );
1874 let minimap_height = minimap_bounds.size.height;
1875
1876 let visible_editor_lines = editor_bounds.size.height / line_height;
1877 let total_editor_lines = scroll_range.height / line_height;
1878 let minimap_lines = minimap_height / minimap_line_height;
1879
1880 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1881 total_editor_lines,
1882 visible_editor_lines,
1883 minimap_lines,
1884 scroll_position,
1885 );
1886
1887 let layout = ScrollbarLayout::for_minimap(
1888 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1889 visible_editor_lines,
1890 total_editor_lines,
1891 minimap_line_height,
1892 scroll_position,
1893 minimap_scroll_top,
1894 show_thumb,
1895 )
1896 .with_thumb_state(thumb_state);
1897
1898 minimap_editor.update(cx, |editor, cx| {
1899 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1900 });
1901
1902 // Required for the drop shadow to be visible
1903 const PADDING_OFFSET: Pixels = px(4.);
1904
1905 let mut minimap = div()
1906 .size_full()
1907 .shadow_xs()
1908 .px(PADDING_OFFSET)
1909 .child(minimap_editor)
1910 .into_any_element();
1911
1912 let extended_bounds = minimap_bounds.extend(Edges {
1913 right: PADDING_OFFSET,
1914 left: PADDING_OFFSET,
1915 ..Default::default()
1916 });
1917 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1918 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1919 minimap.prepaint(window, cx)
1920 });
1921
1922 Some(MinimapLayout {
1923 minimap,
1924 thumb_layout: layout,
1925 thumb_border_style: minimap_settings.thumb_border,
1926 minimap_line_height,
1927 minimap_scroll_top,
1928 max_scroll_top: total_editor_lines,
1929 })
1930 }
1931
1932 fn get_minimap_line_height(
1933 &self,
1934 font_size: AbsoluteLength,
1935 window: &mut Window,
1936 cx: &mut App,
1937 ) -> Pixels {
1938 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1939 let mut text_style = self.style.text.clone();
1940 text_style.font_size = font_size;
1941 text_style.line_height_in_pixels(rem_size)
1942 }
1943
1944 fn get_minimap_width(
1945 &self,
1946 minimap_settings: &Minimap,
1947 scrollbars_shown: bool,
1948 text_width: Pixels,
1949 em_width: Pixels,
1950 font_size: Pixels,
1951 rem_size: Pixels,
1952 cx: &App,
1953 ) -> Option<Pixels> {
1954 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1955 return None;
1956 }
1957
1958 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1959 editor.minimap().map(|minimap_editor| {
1960 minimap_editor
1961 .read(cx)
1962 .text_style_refinement
1963 .as_ref()
1964 .and_then(|refinement| refinement.font_size)
1965 .unwrap_or(MINIMAP_FONT_SIZE)
1966 })
1967 })?;
1968
1969 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1970
1971 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1972 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1973
1974 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1975 .then_some(minimap_width)
1976 }
1977
1978 fn prepaint_crease_toggles(
1979 &self,
1980 crease_toggles: &mut [Option<AnyElement>],
1981 line_height: Pixels,
1982 gutter_dimensions: &GutterDimensions,
1983 gutter_settings: crate::editor_settings::Gutter,
1984 scroll_pixel_position: gpui::Point<Pixels>,
1985 gutter_hitbox: &Hitbox,
1986 window: &mut Window,
1987 cx: &mut App,
1988 ) {
1989 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1990 if let Some(crease_toggle) = crease_toggle {
1991 debug_assert!(gutter_settings.folds);
1992 let available_space = size(
1993 AvailableSpace::MinContent,
1994 AvailableSpace::Definite(line_height * 0.55),
1995 );
1996 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1997
1998 let position = point(
1999 gutter_dimensions.width - gutter_dimensions.right_padding,
2000 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2001 );
2002 let centering_offset = point(
2003 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2004 (line_height - crease_toggle_size.height) / 2.,
2005 );
2006 let origin = gutter_hitbox.origin + position + centering_offset;
2007 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2008 }
2009 }
2010 }
2011
2012 fn prepaint_expand_toggles(
2013 &self,
2014 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2015 window: &mut Window,
2016 cx: &mut App,
2017 ) {
2018 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2019 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2020 expand_toggle.layout_as_root(available_space, window, cx);
2021 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2022 }
2023 }
2024
2025 fn prepaint_crease_trailers(
2026 &self,
2027 trailers: Vec<Option<AnyElement>>,
2028 lines: &[LineWithInvisibles],
2029 line_height: Pixels,
2030 content_origin: gpui::Point<Pixels>,
2031 scroll_pixel_position: gpui::Point<Pixels>,
2032 em_width: Pixels,
2033 window: &mut Window,
2034 cx: &mut App,
2035 ) -> Vec<Option<CreaseTrailerLayout>> {
2036 trailers
2037 .into_iter()
2038 .enumerate()
2039 .map(|(ix, element)| {
2040 let mut element = element?;
2041 let available_space = size(
2042 AvailableSpace::MinContent,
2043 AvailableSpace::Definite(line_height),
2044 );
2045 let size = element.layout_as_root(available_space, window, cx);
2046
2047 let line = &lines[ix];
2048 let padding = if line.width == Pixels::ZERO {
2049 Pixels::ZERO
2050 } else {
2051 4. * em_width
2052 };
2053 let position = point(
2054 scroll_pixel_position.x + line.width + padding,
2055 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2056 );
2057 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2058 let origin = content_origin + position + centering_offset;
2059 element.prepaint_as_root(origin, available_space, window, cx);
2060 Some(CreaseTrailerLayout {
2061 element,
2062 bounds: Bounds::new(origin, size),
2063 })
2064 })
2065 .collect()
2066 }
2067
2068 // Folds contained in a hunk are ignored apart from shrinking visual size
2069 // If a fold contains any hunks then that fold line is marked as modified
2070 fn layout_gutter_diff_hunks(
2071 &self,
2072 line_height: Pixels,
2073 gutter_hitbox: &Hitbox,
2074 display_rows: Range<DisplayRow>,
2075 snapshot: &EditorSnapshot,
2076 window: &mut Window,
2077 cx: &mut App,
2078 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2079 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2080 let mut display_hunks = snapshot
2081 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2082 .map(|hunk| (hunk, None))
2083 .collect::<Vec<_>>();
2084 let git_gutter_setting = ProjectSettings::get_global(cx)
2085 .git
2086 .git_gutter
2087 .unwrap_or_default();
2088 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2089 for (hunk, hitbox) in &mut display_hunks {
2090 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2091 let hunk_bounds =
2092 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2093 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2094 }
2095 }
2096 }
2097
2098 display_hunks
2099 }
2100
2101 fn layout_inline_diagnostics(
2102 &self,
2103 line_layouts: &[LineWithInvisibles],
2104 crease_trailers: &[Option<CreaseTrailerLayout>],
2105 row_block_types: &HashMap<DisplayRow, bool>,
2106 content_origin: gpui::Point<Pixels>,
2107 scroll_pixel_position: gpui::Point<Pixels>,
2108 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2109 start_row: DisplayRow,
2110 end_row: DisplayRow,
2111 line_height: Pixels,
2112 em_width: Pixels,
2113 style: &EditorStyle,
2114 window: &mut Window,
2115 cx: &mut App,
2116 ) -> HashMap<DisplayRow, AnyElement> {
2117 let max_severity = match self
2118 .editor
2119 .read(cx)
2120 .inline_diagnostics_enabled()
2121 .then(|| {
2122 ProjectSettings::get_global(cx)
2123 .diagnostics
2124 .inline
2125 .max_severity
2126 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2127 .into_lsp()
2128 })
2129 .flatten()
2130 {
2131 Some(max_severity) => max_severity,
2132 None => return HashMap::default(),
2133 };
2134
2135 let active_diagnostics_group =
2136 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2137 Some(group.group_id)
2138 } else {
2139 None
2140 };
2141
2142 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2143 let snapshot = editor.snapshot(window, cx);
2144 editor
2145 .inline_diagnostics
2146 .iter()
2147 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2148 .filter(|(_, diagnostic)| match active_diagnostics_group {
2149 Some(active_diagnostics_group) => {
2150 // Active diagnostics are all shown in the editor already, no need to display them inline
2151 diagnostic.group_id != active_diagnostics_group
2152 }
2153 None => true,
2154 })
2155 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2156 .skip_while(|(point, _)| point.row() < start_row)
2157 .take_while(|(point, _)| point.row() < end_row)
2158 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2159 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2160 acc.entry(point.row())
2161 .or_insert_with(Vec::new)
2162 .push(diagnostic);
2163 acc
2164 })
2165 });
2166
2167 if diagnostics_by_rows.is_empty() {
2168 return HashMap::default();
2169 }
2170
2171 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2172 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2173 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2174 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2175 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2176 _ => Color::Error,
2177 };
2178
2179 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2180 let min_x = self.column_pixels(
2181 ProjectSettings::get_global(cx)
2182 .diagnostics
2183 .inline
2184 .min_column as usize,
2185 window,
2186 );
2187
2188 let mut elements = HashMap::default();
2189 for (row, mut diagnostics) in diagnostics_by_rows {
2190 diagnostics.sort_by_key(|diagnostic| {
2191 (
2192 diagnostic.severity,
2193 std::cmp::Reverse(diagnostic.is_primary),
2194 diagnostic.start.row,
2195 diagnostic.start.column,
2196 )
2197 });
2198
2199 let Some(diagnostic_to_render) = diagnostics
2200 .iter()
2201 .find(|diagnostic| diagnostic.is_primary)
2202 .or_else(|| diagnostics.first())
2203 else {
2204 continue;
2205 };
2206
2207 let pos_y = content_origin.y
2208 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2209
2210 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2211 let pos_x = {
2212 let crease_trailer_layout = &crease_trailers[window_ix];
2213 let line_layout = &line_layouts[window_ix];
2214
2215 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2216 crease_trailer.bounds.right()
2217 } else {
2218 content_origin.x - scroll_pixel_position.x + line_layout.width
2219 };
2220
2221 let padded_line = line_end + padding;
2222 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2223
2224 cmp::max(padded_line, min_start)
2225 };
2226
2227 let behind_edit_prediction_popover = edit_prediction_popover_origin
2228 .as_ref()
2229 .is_some_and(|edit_prediction_popover_origin| {
2230 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2231 });
2232 let opacity = if behind_edit_prediction_popover {
2233 0.5
2234 } else {
2235 1.0
2236 };
2237
2238 let mut element = h_flex()
2239 .id(("diagnostic", row.0))
2240 .h(line_height)
2241 .w_full()
2242 .px_1()
2243 .rounded_xs()
2244 .opacity(opacity)
2245 .bg(severity_to_color(&diagnostic_to_render.severity)
2246 .color(cx)
2247 .opacity(0.05))
2248 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2249 .text_sm()
2250 .font_family(style.text.font().family)
2251 .child(diagnostic_to_render.message.clone())
2252 .into_any();
2253
2254 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2255
2256 elements.insert(row, element);
2257 }
2258
2259 elements
2260 }
2261
2262 fn layout_inline_code_actions(
2263 &self,
2264 display_point: DisplayPoint,
2265 content_origin: gpui::Point<Pixels>,
2266 scroll_pixel_position: gpui::Point<Pixels>,
2267 line_height: Pixels,
2268 snapshot: &EditorSnapshot,
2269 window: &mut Window,
2270 cx: &mut App,
2271 ) -> Option<AnyElement> {
2272 if !snapshot
2273 .show_code_actions
2274 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2275 {
2276 return None;
2277 }
2278
2279 let icon_size = ui::IconSize::XSmall;
2280 let mut button = self.editor.update(cx, |editor, cx| {
2281 editor.available_code_actions.as_ref()?;
2282 let active = editor
2283 .context_menu
2284 .borrow()
2285 .as_ref()
2286 .and_then(|menu| {
2287 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2288 deployed_from,
2289 ..
2290 }) = menu
2291 {
2292 deployed_from.as_ref()
2293 } else {
2294 None
2295 }
2296 })
2297 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2298 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2299 })?;
2300
2301 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2302
2303 // do not show code action for folded line
2304 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2305 return None;
2306 }
2307
2308 // do not show code action for blank line with cursor
2309 let line_indent = snapshot
2310 .display_snapshot
2311 .buffer_snapshot
2312 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2313 if line_indent.is_line_blank() {
2314 return None;
2315 }
2316
2317 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2318 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2319
2320 let excerpt_id = snapshot
2321 .display_snapshot
2322 .buffer_snapshot
2323 .excerpt_containing(buffer_point..buffer_point)
2324 .map(|excerpt| excerpt.id());
2325
2326 let is_valid_row = |row_candidate: u32| -> bool {
2327 // move to other row if folded row
2328 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2329 return false;
2330 }
2331 if buffer_point.row == row_candidate {
2332 // move to other row if cursor is in slot
2333 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2334 return false;
2335 }
2336 } else {
2337 let candidate_point = MultiBufferPoint {
2338 row: row_candidate,
2339 column: 0,
2340 };
2341 let candidate_excerpt_id = snapshot
2342 .display_snapshot
2343 .buffer_snapshot
2344 .excerpt_containing(candidate_point..candidate_point)
2345 .map(|excerpt| excerpt.id());
2346 // move to other row if different excerpt
2347 if excerpt_id != candidate_excerpt_id {
2348 return false;
2349 }
2350 }
2351 let line_indent = snapshot
2352 .display_snapshot
2353 .buffer_snapshot
2354 .line_indent_for_row(MultiBufferRow(row_candidate));
2355 // use this row if it's blank
2356 if line_indent.is_line_blank() {
2357 true
2358 } else {
2359 // use this row if code starts after slot
2360 let indent_size = snapshot
2361 .display_snapshot
2362 .buffer_snapshot
2363 .indent_size_for_line(MultiBufferRow(row_candidate));
2364 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2365 }
2366 };
2367
2368 let new_buffer_row = if is_valid_row(buffer_point.row) {
2369 Some(buffer_point.row)
2370 } else {
2371 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2372 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2373 let row_above = buffer_point.row.saturating_sub(offset);
2374 let row_below = buffer_point.row + offset;
2375 if row_above != buffer_point.row && is_valid_row(row_above) {
2376 Some(row_above)
2377 } else if row_below <= max_row && is_valid_row(row_below) {
2378 Some(row_below)
2379 } else {
2380 None
2381 }
2382 })
2383 }?;
2384
2385 let new_display_row = snapshot
2386 .display_snapshot
2387 .point_to_display_point(
2388 Point {
2389 row: new_buffer_row,
2390 column: buffer_point.column,
2391 },
2392 text::Bias::Left,
2393 )
2394 .row();
2395
2396 let start_y = content_origin.y
2397 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2398 + (line_height / 2.0)
2399 - (icon_size.square(window, cx) / 2.);
2400 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2401
2402 let absolute_offset = gpui::point(start_x, start_y);
2403 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2404 button.prepaint_as_root(
2405 absolute_offset,
2406 gpui::AvailableSpace::min_size(),
2407 window,
2408 cx,
2409 );
2410 Some(button)
2411 }
2412
2413 fn layout_inline_blame(
2414 &self,
2415 display_row: DisplayRow,
2416 row_info: &RowInfo,
2417 line_layout: &LineWithInvisibles,
2418 crease_trailer: Option<&CreaseTrailerLayout>,
2419 em_width: Pixels,
2420 content_origin: gpui::Point<Pixels>,
2421 scroll_pixel_position: gpui::Point<Pixels>,
2422 line_height: Pixels,
2423 text_hitbox: &Hitbox,
2424 window: &mut Window,
2425 cx: &mut App,
2426 ) -> Option<InlineBlameLayout> {
2427 if !self
2428 .editor
2429 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2430 {
2431 return None;
2432 }
2433
2434 let editor = self.editor.read(cx);
2435 let blame = editor.blame.clone()?;
2436 let padding = {
2437 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2438
2439 let mut padding = ProjectSettings::get_global(cx)
2440 .git
2441 .inline_blame
2442 .unwrap_or_default()
2443 .padding as f32;
2444
2445 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2446 && let EditPrediction::Edit {
2447 display_mode: EditDisplayMode::TabAccept,
2448 ..
2449 } = &edit_prediction.completion
2450 {
2451 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2452 }
2453
2454 padding * em_width
2455 };
2456
2457 let (buffer_id, entry) = blame
2458 .update(cx, |blame, cx| {
2459 blame.blame_for_rows(&[*row_info], cx).next()
2460 })
2461 .flatten()?;
2462
2463 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2464
2465 let start_y = content_origin.y
2466 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2467
2468 let start_x = {
2469 let line_end = if let Some(crease_trailer) = crease_trailer {
2470 crease_trailer.bounds.right()
2471 } else {
2472 content_origin.x - scroll_pixel_position.x + line_layout.width
2473 };
2474
2475 let padded_line_end = line_end + padding;
2476
2477 let min_column_in_pixels = ProjectSettings::get_global(cx)
2478 .git
2479 .inline_blame
2480 .map(|settings| settings.min_column)
2481 .map(|col| self.column_pixels(col as usize, window))
2482 .unwrap_or(px(0.));
2483 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2484
2485 cmp::max(padded_line_end, min_start)
2486 };
2487
2488 let absolute_offset = point(start_x, start_y);
2489 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2490 let bounds = Bounds::new(absolute_offset, size);
2491
2492 self.layout_blame_entry_popover(
2493 entry.clone(),
2494 blame,
2495 line_height,
2496 text_hitbox,
2497 row_info.buffer_id?,
2498 window,
2499 cx,
2500 );
2501
2502 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2503
2504 Some(InlineBlameLayout {
2505 element,
2506 bounds,
2507 buffer_id,
2508 entry,
2509 })
2510 }
2511
2512 fn layout_blame_entry_popover(
2513 &self,
2514 blame_entry: BlameEntry,
2515 blame: Entity<GitBlame>,
2516 line_height: Pixels,
2517 text_hitbox: &Hitbox,
2518 buffer: BufferId,
2519 window: &mut Window,
2520 cx: &mut App,
2521 ) {
2522 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2523 editor
2524 .inline_blame_popover
2525 .as_ref()
2526 .map(|state| (state.popover_state.clone(), state.position))
2527 }) else {
2528 return;
2529 };
2530
2531 let workspace = self
2532 .editor
2533 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2534
2535 let maybe_element = workspace.and_then(|workspace| {
2536 render_blame_entry_popover(
2537 blame_entry,
2538 popover_state.scroll_handle,
2539 popover_state.commit_message,
2540 popover_state.markdown,
2541 workspace,
2542 &blame,
2543 buffer,
2544 window,
2545 cx,
2546 )
2547 });
2548
2549 if let Some(mut element) = maybe_element {
2550 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2551 let overall_height = size.height + HOVER_POPOVER_GAP;
2552 let popover_origin = if target_point.y > overall_height {
2553 point(target_point.x, target_point.y - size.height)
2554 } else {
2555 point(
2556 target_point.x,
2557 target_point.y + line_height + HOVER_POPOVER_GAP,
2558 )
2559 };
2560
2561 let horizontal_offset = (text_hitbox.top_right().x
2562 - POPOVER_RIGHT_OFFSET
2563 - (popover_origin.x + size.width))
2564 .min(Pixels::ZERO);
2565
2566 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2567 let popover_bounds = Bounds::new(origin, size);
2568
2569 self.editor.update(cx, |editor, _| {
2570 if let Some(state) = &mut editor.inline_blame_popover {
2571 state.popover_bounds = Some(popover_bounds);
2572 }
2573 });
2574
2575 window.defer_draw(element, origin, 2);
2576 }
2577 }
2578
2579 fn layout_blame_entries(
2580 &self,
2581 buffer_rows: &[RowInfo],
2582 em_width: Pixels,
2583 scroll_position: gpui::Point<f32>,
2584 line_height: Pixels,
2585 gutter_hitbox: &Hitbox,
2586 max_width: Option<Pixels>,
2587 window: &mut Window,
2588 cx: &mut App,
2589 ) -> Option<Vec<AnyElement>> {
2590 if !self
2591 .editor
2592 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2593 {
2594 return None;
2595 }
2596
2597 let blame = self.editor.read(cx).blame.clone()?;
2598 let workspace = self.editor.read(cx).workspace()?;
2599 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2600 blame.blame_for_rows(buffer_rows, cx).collect()
2601 });
2602
2603 let width = if let Some(max_width) = max_width {
2604 AvailableSpace::Definite(max_width)
2605 } else {
2606 AvailableSpace::MaxContent
2607 };
2608 let scroll_top = scroll_position.y * line_height;
2609 let start_x = em_width;
2610
2611 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2612 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2613
2614 let shaped_lines = blamed_rows
2615 .into_iter()
2616 .enumerate()
2617 .flat_map(|(ix, blame_entry)| {
2618 let (buffer_id, blame_entry) = blame_entry?;
2619 let mut element = render_blame_entry(
2620 ix,
2621 &blame,
2622 blame_entry,
2623 &self.style,
2624 &mut last_used_color,
2625 self.editor.clone(),
2626 workspace.clone(),
2627 buffer_id,
2628 blame_renderer.clone(),
2629 cx,
2630 )?;
2631
2632 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2633 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2634
2635 element.prepaint_as_root(
2636 absolute_offset,
2637 size(width, AvailableSpace::MinContent),
2638 window,
2639 cx,
2640 );
2641
2642 Some(element)
2643 })
2644 .collect();
2645
2646 Some(shaped_lines)
2647 }
2648
2649 fn layout_indent_guides(
2650 &self,
2651 content_origin: gpui::Point<Pixels>,
2652 text_origin: gpui::Point<Pixels>,
2653 visible_buffer_range: Range<MultiBufferRow>,
2654 scroll_pixel_position: gpui::Point<Pixels>,
2655 line_height: Pixels,
2656 snapshot: &DisplaySnapshot,
2657 window: &mut Window,
2658 cx: &mut App,
2659 ) -> Option<Vec<IndentGuideLayout>> {
2660 let indent_guides = self.editor.update(cx, |editor, cx| {
2661 editor.indent_guides(visible_buffer_range, snapshot, cx)
2662 })?;
2663
2664 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2665 editor
2666 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2667 .unwrap_or_default()
2668 });
2669
2670 Some(
2671 indent_guides
2672 .into_iter()
2673 .enumerate()
2674 .filter_map(|(i, indent_guide)| {
2675 let single_indent_width =
2676 self.column_pixels(indent_guide.tab_size as usize, window);
2677 let total_width = single_indent_width * indent_guide.depth as f32;
2678 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2679 if start_x >= text_origin.x {
2680 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2681 indent_guide.start_row..indent_guide.end_row,
2682 line_height,
2683 snapshot,
2684 );
2685
2686 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2687
2688 Some(IndentGuideLayout {
2689 origin: point(start_x, start_y),
2690 length,
2691 single_indent_width,
2692 depth: indent_guide.depth,
2693 active: active_indent_guide_indices.contains(&i),
2694 settings: indent_guide.settings,
2695 })
2696 } else {
2697 None
2698 }
2699 })
2700 .collect(),
2701 )
2702 }
2703
2704 fn layout_wrap_guides(
2705 &self,
2706 em_advance: Pixels,
2707 scroll_position: gpui::Point<f32>,
2708 content_origin: gpui::Point<Pixels>,
2709 scrollbar_layout: Option<&EditorScrollbars>,
2710 vertical_scrollbar_width: Pixels,
2711 hitbox: &Hitbox,
2712 window: &Window,
2713 cx: &App,
2714 ) -> SmallVec<[(Pixels, bool); 2]> {
2715 let scroll_left = scroll_position.x * em_advance;
2716 let content_origin = content_origin.x;
2717 let horizontal_offset = content_origin - scroll_left;
2718 let vertical_scrollbar_width = scrollbar_layout
2719 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2720 .unwrap_or_default();
2721
2722 self.editor
2723 .read(cx)
2724 .wrap_guides(cx)
2725 .into_iter()
2726 .flat_map(|(guide, active)| {
2727 let wrap_position = self.column_pixels(guide, window);
2728 let wrap_guide_x = wrap_position + horizontal_offset;
2729 let display_wrap_guide = wrap_guide_x >= content_origin
2730 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2731
2732 display_wrap_guide.then_some((wrap_guide_x, active))
2733 })
2734 .collect()
2735 }
2736
2737 fn calculate_indent_guide_bounds(
2738 row_range: Range<MultiBufferRow>,
2739 line_height: Pixels,
2740 snapshot: &DisplaySnapshot,
2741 ) -> (gpui::Pixels, gpui::Pixels) {
2742 let start_point = Point::new(row_range.start.0, 0);
2743 let end_point = Point::new(row_range.end.0, 0);
2744
2745 let row_range = start_point.to_display_point(snapshot).row()
2746 ..end_point.to_display_point(snapshot).row();
2747
2748 let mut prev_line = start_point;
2749 prev_line.row = prev_line.row.saturating_sub(1);
2750 let prev_line = prev_line.to_display_point(snapshot).row();
2751
2752 let mut cons_line = end_point;
2753 cons_line.row += 1;
2754 let cons_line = cons_line.to_display_point(snapshot).row();
2755
2756 let mut offset_y = row_range.start.0 as f32 * line_height;
2757 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2758
2759 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2760 if row_range.end == cons_line {
2761 length += line_height;
2762 }
2763
2764 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2765 // we want to extend the indent guide to the start of the block.
2766 let mut block_height = 0;
2767 let mut block_offset = 0;
2768 let mut found_excerpt_header = false;
2769 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2770 if matches!(
2771 block,
2772 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2773 ) {
2774 found_excerpt_header = true;
2775 break;
2776 }
2777 block_offset += block.height();
2778 block_height += block.height();
2779 }
2780 if !found_excerpt_header {
2781 offset_y -= block_offset as f32 * line_height;
2782 length += block_height as f32 * line_height;
2783 }
2784
2785 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2786 // we want to ensure that the indent guide stops before the excerpt header.
2787 let mut block_height = 0;
2788 let mut found_excerpt_header = false;
2789 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2790 if matches!(
2791 block,
2792 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2793 ) {
2794 found_excerpt_header = true;
2795 }
2796 block_height += block.height();
2797 }
2798 if found_excerpt_header {
2799 length -= block_height as f32 * line_height;
2800 }
2801
2802 (offset_y, length)
2803 }
2804
2805 fn layout_breakpoints(
2806 &self,
2807 line_height: Pixels,
2808 range: Range<DisplayRow>,
2809 scroll_pixel_position: gpui::Point<Pixels>,
2810 gutter_dimensions: &GutterDimensions,
2811 gutter_hitbox: &Hitbox,
2812 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2813 snapshot: &EditorSnapshot,
2814 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2815 row_infos: &[RowInfo],
2816 window: &mut Window,
2817 cx: &mut App,
2818 ) -> Vec<AnyElement> {
2819 self.editor.update(cx, |editor, cx| {
2820 breakpoints
2821 .into_iter()
2822 .filter_map(|(display_row, (text_anchor, bp, state))| {
2823 if row_infos
2824 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2825 .is_some_and(|row_info| {
2826 row_info.expand_info.is_some()
2827 || row_info
2828 .diff_status
2829 .is_some_and(|status| status.is_deleted())
2830 })
2831 {
2832 return None;
2833 }
2834
2835 if range.start > display_row || range.end < display_row {
2836 return None;
2837 }
2838
2839 let row =
2840 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2841 if snapshot.is_line_folded(row) {
2842 return None;
2843 }
2844
2845 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2846
2847 let button = prepaint_gutter_button(
2848 button,
2849 display_row,
2850 line_height,
2851 gutter_dimensions,
2852 scroll_pixel_position,
2853 gutter_hitbox,
2854 display_hunks,
2855 window,
2856 cx,
2857 );
2858 Some(button)
2859 })
2860 .collect_vec()
2861 })
2862 }
2863
2864 #[allow(clippy::too_many_arguments)]
2865 fn layout_run_indicators(
2866 &self,
2867 line_height: Pixels,
2868 range: Range<DisplayRow>,
2869 row_infos: &[RowInfo],
2870 scroll_pixel_position: gpui::Point<Pixels>,
2871 gutter_dimensions: &GutterDimensions,
2872 gutter_hitbox: &Hitbox,
2873 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2874 snapshot: &EditorSnapshot,
2875 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2876 window: &mut Window,
2877 cx: &mut App,
2878 ) -> Vec<AnyElement> {
2879 self.editor.update(cx, |editor, cx| {
2880 let active_task_indicator_row =
2881 // TODO: add edit button on the right side of each row in the context menu
2882 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2883 deployed_from,
2884 actions,
2885 ..
2886 })) = editor.context_menu.borrow().as_ref()
2887 {
2888 actions
2889 .tasks()
2890 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2891 .or_else(|| match deployed_from {
2892 Some(CodeActionSource::Indicator(row)) => Some(*row),
2893 _ => None,
2894 })
2895 } else {
2896 None
2897 };
2898
2899 let offset_range_start =
2900 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2901
2902 let offset_range_end =
2903 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2904
2905 editor
2906 .tasks
2907 .iter()
2908 .filter_map(|(_, tasks)| {
2909 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2910 if multibuffer_point < offset_range_start
2911 || multibuffer_point > offset_range_end
2912 {
2913 return None;
2914 }
2915 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2916 let buffer_folded = snapshot
2917 .buffer_snapshot
2918 .buffer_line_for_row(multibuffer_row)
2919 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2920 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2921 .unwrap_or(false);
2922 if buffer_folded {
2923 return None;
2924 }
2925
2926 if snapshot.is_line_folded(multibuffer_row) {
2927 // Skip folded indicators, unless it's the starting line of a fold.
2928 if multibuffer_row
2929 .0
2930 .checked_sub(1)
2931 .is_some_and(|previous_row| {
2932 snapshot.is_line_folded(MultiBufferRow(previous_row))
2933 })
2934 {
2935 return None;
2936 }
2937 }
2938
2939 let display_row = multibuffer_point.to_display_point(snapshot).row();
2940 if !range.contains(&display_row) {
2941 return None;
2942 }
2943 if row_infos
2944 .get((display_row - range.start).0 as usize)
2945 .is_some_and(|row_info| row_info.expand_info.is_some())
2946 {
2947 return None;
2948 }
2949
2950 let button = editor.render_run_indicator(
2951 &self.style,
2952 Some(display_row) == active_task_indicator_row,
2953 display_row,
2954 breakpoints.remove(&display_row),
2955 cx,
2956 );
2957
2958 let button = prepaint_gutter_button(
2959 button,
2960 display_row,
2961 line_height,
2962 gutter_dimensions,
2963 scroll_pixel_position,
2964 gutter_hitbox,
2965 display_hunks,
2966 window,
2967 cx,
2968 );
2969 Some(button)
2970 })
2971 .collect_vec()
2972 })
2973 }
2974
2975 fn layout_expand_toggles(
2976 &self,
2977 gutter_hitbox: &Hitbox,
2978 gutter_dimensions: GutterDimensions,
2979 em_width: Pixels,
2980 line_height: Pixels,
2981 scroll_position: gpui::Point<f32>,
2982 buffer_rows: &[RowInfo],
2983 window: &mut Window,
2984 cx: &mut App,
2985 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2986 if self.editor.read(cx).disable_expand_excerpt_buttons {
2987 return vec![];
2988 }
2989
2990 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2991
2992 let scroll_top = scroll_position.y * line_height;
2993
2994 let max_line_number_length = self
2995 .editor
2996 .read(cx)
2997 .buffer()
2998 .read(cx)
2999 .snapshot(cx)
3000 .widest_line_number()
3001 .ilog10()
3002 + 1;
3003
3004 buffer_rows
3005 .iter()
3006 .enumerate()
3007 .map(|(ix, row_info)| {
3008 let ExpandInfo {
3009 excerpt_id,
3010 direction,
3011 } = row_info.expand_info?;
3012
3013 let icon_name = match direction {
3014 ExpandExcerptDirection::Up => IconName::ExpandUp,
3015 ExpandExcerptDirection::Down => IconName::ExpandDown,
3016 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3017 };
3018
3019 let git_gutter_width = Self::gutter_strip_width(line_height);
3020 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3021
3022 let editor = self.editor.clone();
3023 let is_wide = max_line_number_length
3024 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3025 && row_info
3026 .buffer_row
3027 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3028 || gutter_dimensions.right_padding == px(0.);
3029
3030 let width = if is_wide {
3031 available_width - px(2.)
3032 } else {
3033 available_width + em_width - px(2.)
3034 };
3035
3036 let toggle = IconButton::new(("expand", ix), icon_name)
3037 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3038 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3039 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3040 .width(width)
3041 .on_click(move |_, window, cx| {
3042 editor.update(cx, |editor, cx| {
3043 editor.expand_excerpt(excerpt_id, direction, window, cx);
3044 });
3045 })
3046 .tooltip(Tooltip::for_action_title(
3047 "Expand Excerpt",
3048 &crate::actions::ExpandExcerpts::default(),
3049 ))
3050 .into_any_element();
3051
3052 let position = point(
3053 git_gutter_width + px(1.),
3054 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3055 );
3056 let origin = gutter_hitbox.origin + position;
3057
3058 Some((toggle, origin))
3059 })
3060 .collect()
3061 }
3062
3063 fn calculate_relative_line_numbers(
3064 &self,
3065 snapshot: &EditorSnapshot,
3066 rows: &Range<DisplayRow>,
3067 relative_to: Option<DisplayRow>,
3068 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3069 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3070 let Some(relative_to) = relative_to else {
3071 return relative_rows;
3072 };
3073
3074 let start = rows.start.min(relative_to);
3075 let end = rows.end.max(relative_to);
3076
3077 let buffer_rows = snapshot
3078 .row_infos(start)
3079 .take(1 + end.minus(start) as usize)
3080 .collect::<Vec<_>>();
3081
3082 let head_idx = relative_to.minus(start);
3083 let mut delta = 1;
3084 let mut i = head_idx + 1;
3085 while i < buffer_rows.len() as u32 {
3086 if buffer_rows[i as usize].buffer_row.is_some() {
3087 if rows.contains(&DisplayRow(i + start.0)) {
3088 relative_rows.insert(DisplayRow(i + start.0), delta);
3089 }
3090 delta += 1;
3091 }
3092 i += 1;
3093 }
3094 delta = 1;
3095 i = head_idx.min(buffer_rows.len() as u32 - 1);
3096 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3097 i -= 1;
3098 }
3099
3100 while i > 0 {
3101 i -= 1;
3102 if buffer_rows[i as usize].buffer_row.is_some() {
3103 if rows.contains(&DisplayRow(i + start.0)) {
3104 relative_rows.insert(DisplayRow(i + start.0), delta);
3105 }
3106 delta += 1;
3107 }
3108 }
3109
3110 relative_rows
3111 }
3112
3113 fn layout_line_numbers(
3114 &self,
3115 gutter_hitbox: Option<&Hitbox>,
3116 gutter_dimensions: GutterDimensions,
3117 line_height: Pixels,
3118 scroll_position: gpui::Point<f32>,
3119 rows: Range<DisplayRow>,
3120 buffer_rows: &[RowInfo],
3121 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3122 newest_selection_head: Option<DisplayPoint>,
3123 snapshot: &EditorSnapshot,
3124 window: &mut Window,
3125 cx: &mut App,
3126 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3127 let include_line_numbers = snapshot
3128 .show_line_numbers
3129 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3130 if !include_line_numbers {
3131 return Arc::default();
3132 }
3133
3134 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3135 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3136 let newest = editor.selections.newest::<Point>(cx);
3137 SelectionLayout::new(
3138 newest,
3139 editor.selections.line_mode,
3140 editor.cursor_shape,
3141 &snapshot.display_snapshot,
3142 true,
3143 true,
3144 None,
3145 )
3146 .head
3147 });
3148 let is_relative = editor.should_use_relative_line_numbers(cx);
3149 (newest_selection_head, is_relative)
3150 });
3151
3152 let relative_to = if is_relative {
3153 Some(newest_selection_head.row())
3154 } else {
3155 None
3156 };
3157 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3158 let mut line_number = String::new();
3159 let line_numbers = buffer_rows
3160 .iter()
3161 .enumerate()
3162 .flat_map(|(ix, row_info)| {
3163 let display_row = DisplayRow(rows.start.0 + ix as u32);
3164 line_number.clear();
3165 let non_relative_number = row_info.buffer_row? + 1;
3166 let number = relative_rows
3167 .get(&display_row)
3168 .unwrap_or(&non_relative_number);
3169 write!(&mut line_number, "{number}").unwrap();
3170 if row_info
3171 .diff_status
3172 .is_some_and(|status| status.is_deleted())
3173 {
3174 return None;
3175 }
3176
3177 let color = active_rows
3178 .get(&display_row)
3179 .map(|spec| {
3180 if spec.breakpoint {
3181 cx.theme().colors().debugger_accent
3182 } else {
3183 cx.theme().colors().editor_active_line_number
3184 }
3185 })
3186 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3187 let shaped_line =
3188 self.shape_line_number(SharedString::from(&line_number), color, window);
3189 let scroll_top = scroll_position.y * line_height;
3190 let line_origin = gutter_hitbox.map(|hitbox| {
3191 hitbox.origin
3192 + point(
3193 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3194 ix as f32 * line_height - (scroll_top % line_height),
3195 )
3196 });
3197
3198 #[cfg(not(test))]
3199 let hitbox = line_origin.map(|line_origin| {
3200 window.insert_hitbox(
3201 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3202 HitboxBehavior::Normal,
3203 )
3204 });
3205 #[cfg(test)]
3206 let hitbox = {
3207 let _ = line_origin;
3208 None
3209 };
3210
3211 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3212 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3213 let line_number = LineNumberLayout {
3214 shaped_line,
3215 hitbox,
3216 };
3217 Some((multi_buffer_row, line_number))
3218 })
3219 .collect();
3220 Arc::new(line_numbers)
3221 }
3222
3223 fn layout_crease_toggles(
3224 &self,
3225 rows: Range<DisplayRow>,
3226 row_infos: &[RowInfo],
3227 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3228 snapshot: &EditorSnapshot,
3229 window: &mut Window,
3230 cx: &mut App,
3231 ) -> Vec<Option<AnyElement>> {
3232 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3233 && snapshot.mode.is_full()
3234 && self.editor.read(cx).is_singleton(cx);
3235 if include_fold_statuses {
3236 row_infos
3237 .iter()
3238 .enumerate()
3239 .map(|(ix, info)| {
3240 if info.expand_info.is_some() {
3241 return None;
3242 }
3243 let row = info.multibuffer_row?;
3244 let display_row = DisplayRow(rows.start.0 + ix as u32);
3245 let active = active_rows.contains_key(&display_row);
3246
3247 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3248 })
3249 .collect()
3250 } else {
3251 Vec::new()
3252 }
3253 }
3254
3255 fn layout_crease_trailers(
3256 &self,
3257 buffer_rows: impl IntoIterator<Item = RowInfo>,
3258 snapshot: &EditorSnapshot,
3259 window: &mut Window,
3260 cx: &mut App,
3261 ) -> Vec<Option<AnyElement>> {
3262 buffer_rows
3263 .into_iter()
3264 .map(|row_info| {
3265 if row_info.expand_info.is_some() {
3266 return None;
3267 }
3268 if let Some(row) = row_info.multibuffer_row {
3269 snapshot.render_crease_trailer(row, window, cx)
3270 } else {
3271 None
3272 }
3273 })
3274 .collect()
3275 }
3276
3277 fn bg_segments_per_row(
3278 rows: Range<DisplayRow>,
3279 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3280 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3281 base_background: Hsla,
3282 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3283 if rows.start >= rows.end {
3284 return Vec::new();
3285 }
3286 if !base_background.is_opaque() {
3287 // We don't actually know what color is behind this editor.
3288 return Vec::new();
3289 }
3290 let highlight_iter = highlight_ranges.iter().cloned();
3291 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3292 let color = player_color.selection;
3293 layouts.iter().filter_map(move |selection_layout| {
3294 if selection_layout.range.start != selection_layout.range.end {
3295 Some((selection_layout.range.clone(), color))
3296 } else {
3297 None
3298 }
3299 })
3300 });
3301 let mut per_row_map = vec![Vec::new(); rows.len()];
3302 for (range, color) in highlight_iter.chain(selection_iter) {
3303 let covered_rows = if range.end.column() == 0 {
3304 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3305 } else {
3306 cmp::max(range.start.row(), rows.start)
3307 ..cmp::min(range.end.row().next_row(), rows.end)
3308 };
3309 for row in covered_rows.iter_rows() {
3310 let seg_start = if row == range.start.row() {
3311 range.start
3312 } else {
3313 DisplayPoint::new(row, 0)
3314 };
3315 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3316 range.end
3317 } else {
3318 DisplayPoint::new(row, u32::MAX)
3319 };
3320 let ix = row.minus(rows.start) as usize;
3321 debug_assert!(row >= rows.start && row < rows.end);
3322 debug_assert!(ix < per_row_map.len());
3323 per_row_map[ix].push((seg_start..seg_end, color));
3324 }
3325 }
3326 for row_segments in per_row_map.iter_mut() {
3327 if row_segments.is_empty() {
3328 continue;
3329 }
3330 let segments = mem::take(row_segments);
3331 let merged = Self::merge_overlapping_ranges(segments, base_background);
3332 *row_segments = merged;
3333 }
3334 per_row_map
3335 }
3336
3337 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3338 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3339 ///
3340 /// Expects `start.row() == end.row()` for each range.
3341 fn merge_overlapping_ranges(
3342 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3343 base_background: Hsla,
3344 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3345 struct Boundary {
3346 pos: DisplayPoint,
3347 is_start: bool,
3348 index: usize,
3349 color: Hsla,
3350 }
3351
3352 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3353 for (index, (range, color)) in ranges.iter().enumerate() {
3354 debug_assert!(
3355 range.start.row() == range.end.row(),
3356 "expects single-row ranges"
3357 );
3358 if range.start < range.end {
3359 boundaries.push(Boundary {
3360 pos: range.start,
3361 is_start: true,
3362 index,
3363 color: *color,
3364 });
3365 boundaries.push(Boundary {
3366 pos: range.end,
3367 is_start: false,
3368 index,
3369 color: *color,
3370 });
3371 }
3372 }
3373
3374 if boundaries.is_empty() {
3375 return Vec::new();
3376 }
3377
3378 boundaries
3379 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3380
3381 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3382 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3383
3384 let mut i = 0;
3385 let mut start_pos = boundaries[0].pos;
3386
3387 let boundaries_len = boundaries.len();
3388 while i < boundaries_len {
3389 let current_boundary_pos = boundaries[i].pos;
3390 if start_pos < current_boundary_pos {
3391 if !active_ranges.is_empty() {
3392 let mut color = base_background;
3393 for &(_, c) in &active_ranges {
3394 color = Hsla::blend(color, c);
3395 }
3396 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3397 if *last_color == color && last_range.end == start_pos {
3398 last_range.end = current_boundary_pos;
3399 } else {
3400 processed_ranges.push((start_pos..current_boundary_pos, color));
3401 }
3402 } else {
3403 processed_ranges.push((start_pos..current_boundary_pos, color));
3404 }
3405 }
3406 }
3407 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3408 let active_range = &boundaries[i];
3409 if active_range.is_start {
3410 let idx = active_range.index;
3411 let pos = active_ranges
3412 .binary_search_by_key(&idx, |(i, _)| *i)
3413 .unwrap_or_else(|p| p);
3414 active_ranges.insert(pos, (idx, active_range.color));
3415 } else {
3416 let idx = active_range.index;
3417 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3418 active_ranges.remove(pos);
3419 }
3420 }
3421 i += 1;
3422 }
3423 start_pos = current_boundary_pos;
3424 }
3425
3426 processed_ranges
3427 }
3428
3429 fn layout_lines(
3430 rows: Range<DisplayRow>,
3431 snapshot: &EditorSnapshot,
3432 style: &EditorStyle,
3433 editor_width: Pixels,
3434 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3435 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3436 window: &mut Window,
3437 cx: &mut App,
3438 ) -> Vec<LineWithInvisibles> {
3439 if rows.start >= rows.end {
3440 return Vec::new();
3441 }
3442
3443 // Show the placeholder when the editor is empty
3444 if snapshot.is_empty() {
3445 let font_size = style.text.font_size.to_pixels(window.rem_size());
3446 let placeholder_color = cx.theme().colors().text_placeholder;
3447 let placeholder_text = snapshot.placeholder_text();
3448
3449 let placeholder_lines = placeholder_text
3450 .as_ref()
3451 .map_or("", AsRef::as_ref)
3452 .split('\n')
3453 .skip(rows.start.0 as usize)
3454 .chain(iter::repeat(""))
3455 .take(rows.len());
3456 placeholder_lines
3457 .map(move |line| {
3458 let run = TextRun {
3459 len: line.len(),
3460 font: style.text.font(),
3461 color: placeholder_color,
3462 background_color: None,
3463 underline: None,
3464 strikethrough: None,
3465 };
3466 let line = window.text_system().shape_line(
3467 line.to_string().into(),
3468 font_size,
3469 &[run],
3470 None,
3471 );
3472 LineWithInvisibles {
3473 width: line.width,
3474 len: line.len,
3475 fragments: smallvec![LineFragment::Text(line)],
3476 invisibles: Vec::new(),
3477 font_size,
3478 }
3479 })
3480 .collect()
3481 } else {
3482 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3483 LineWithInvisibles::from_chunks(
3484 chunks,
3485 style,
3486 MAX_LINE_LEN,
3487 rows.len(),
3488 &snapshot.mode,
3489 editor_width,
3490 is_row_soft_wrapped,
3491 bg_segments_per_row,
3492 window,
3493 cx,
3494 )
3495 }
3496 }
3497
3498 fn prepaint_lines(
3499 &self,
3500 start_row: DisplayRow,
3501 line_layouts: &mut [LineWithInvisibles],
3502 line_height: Pixels,
3503 scroll_pixel_position: gpui::Point<Pixels>,
3504 content_origin: gpui::Point<Pixels>,
3505 window: &mut Window,
3506 cx: &mut App,
3507 ) -> SmallVec<[AnyElement; 1]> {
3508 let mut line_elements = SmallVec::new();
3509 for (ix, line) in line_layouts.iter_mut().enumerate() {
3510 let row = start_row + DisplayRow(ix as u32);
3511 line.prepaint(
3512 line_height,
3513 scroll_pixel_position,
3514 row,
3515 content_origin,
3516 &mut line_elements,
3517 window,
3518 cx,
3519 );
3520 }
3521 line_elements
3522 }
3523
3524 fn render_block(
3525 &self,
3526 block: &Block,
3527 available_width: AvailableSpace,
3528 block_id: BlockId,
3529 block_row_start: DisplayRow,
3530 snapshot: &EditorSnapshot,
3531 text_x: Pixels,
3532 rows: &Range<DisplayRow>,
3533 line_layouts: &[LineWithInvisibles],
3534 editor_margins: &EditorMargins,
3535 line_height: Pixels,
3536 em_width: Pixels,
3537 text_hitbox: &Hitbox,
3538 editor_width: Pixels,
3539 scroll_width: &mut Pixels,
3540 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3541 row_block_types: &mut HashMap<DisplayRow, bool>,
3542 selections: &[Selection<Point>],
3543 selected_buffer_ids: &Vec<BufferId>,
3544 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3545 sticky_header_excerpt_id: Option<ExcerptId>,
3546 window: &mut Window,
3547 cx: &mut App,
3548 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3549 let mut x_position = None;
3550 let mut element = match block {
3551 Block::Custom(custom) => {
3552 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3553 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3554 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3555 return None;
3556 }
3557 let align_to = block_start.to_display_point(snapshot);
3558 let x_and_width = |layout: &LineWithInvisibles| {
3559 Some((
3560 text_x + layout.x_for_index(align_to.column() as usize),
3561 text_x + layout.width,
3562 ))
3563 };
3564 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3565 x_position =
3566 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3567 x_and_width(layout)
3568 } else {
3569 x_and_width(&layout_line(
3570 align_to.row(),
3571 snapshot,
3572 &self.style,
3573 editor_width,
3574 is_row_soft_wrapped,
3575 window,
3576 cx,
3577 ))
3578 };
3579
3580 let anchor_x = x_position.unwrap().0;
3581
3582 let selected = selections
3583 .binary_search_by(|selection| {
3584 if selection.end <= block_start {
3585 Ordering::Less
3586 } else if selection.start >= block_end {
3587 Ordering::Greater
3588 } else {
3589 Ordering::Equal
3590 }
3591 })
3592 .is_ok();
3593
3594 div()
3595 .size_full()
3596 .child(custom.render(&mut BlockContext {
3597 window,
3598 app: cx,
3599 anchor_x,
3600 margins: editor_margins,
3601 line_height,
3602 em_width,
3603 block_id,
3604 selected,
3605 max_width: text_hitbox.size.width.max(*scroll_width),
3606 editor_style: &self.style,
3607 }))
3608 .into_any()
3609 }
3610
3611 Block::FoldedBuffer {
3612 first_excerpt,
3613 height,
3614 ..
3615 } => {
3616 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3617 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3618
3619 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3620 result
3621 .child(self.render_buffer_header(
3622 first_excerpt,
3623 true,
3624 selected,
3625 false,
3626 jump_data,
3627 window,
3628 cx,
3629 ))
3630 .into_any_element()
3631 }
3632
3633 Block::ExcerptBoundary { .. } => {
3634 let color = cx.theme().colors().clone();
3635 let mut result = v_flex().id(block_id).w_full();
3636
3637 result = result.child(
3638 h_flex().relative().child(
3639 div()
3640 .top(line_height / 2.)
3641 .absolute()
3642 .w_full()
3643 .h_px()
3644 .bg(color.border_variant),
3645 ),
3646 );
3647
3648 result.into_any()
3649 }
3650
3651 Block::BufferHeader { excerpt, height } => {
3652 let mut result = v_flex().id(block_id).w_full();
3653
3654 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3655
3656 if sticky_header_excerpt_id != Some(excerpt.id) {
3657 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3658
3659 result = result.child(div().pr(editor_margins.right).child(
3660 self.render_buffer_header(
3661 excerpt, false, selected, false, jump_data, window, cx,
3662 ),
3663 ));
3664 } else {
3665 result =
3666 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3667 }
3668
3669 result.into_any()
3670 }
3671 };
3672
3673 // Discover the element's content height, then round up to the nearest multiple of line height.
3674 let preliminary_size = element.layout_as_root(
3675 size(available_width, AvailableSpace::MinContent),
3676 window,
3677 cx,
3678 );
3679 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3680 let final_size = if preliminary_size.height == quantized_height {
3681 preliminary_size
3682 } else {
3683 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3684 };
3685 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3686
3687 let mut row = block_row_start;
3688 let mut x_offset = px(0.);
3689 let mut is_block = true;
3690
3691 if let BlockId::Custom(custom_block_id) = block_id
3692 && block.has_height()
3693 {
3694 if block.place_near()
3695 && let Some((x_target, line_width)) = x_position
3696 {
3697 let margin = em_width * 2;
3698 if line_width + final_size.width + margin
3699 < editor_width + editor_margins.gutter.full_width()
3700 && !row_block_types.contains_key(&(row - 1))
3701 && element_height_in_lines == 1
3702 {
3703 x_offset = line_width + margin;
3704 row = row - 1;
3705 is_block = false;
3706 element_height_in_lines = 0;
3707 row_block_types.insert(row, is_block);
3708 } else {
3709 let max_offset =
3710 editor_width + editor_margins.gutter.full_width() - final_size.width;
3711 let min_offset = (x_target + em_width - final_size.width)
3712 .max(editor_margins.gutter.full_width());
3713 x_offset = x_target.min(max_offset).max(min_offset);
3714 }
3715 };
3716 if element_height_in_lines != block.height() {
3717 resized_blocks.insert(custom_block_id, element_height_in_lines);
3718 }
3719 }
3720 for i in 0..element_height_in_lines {
3721 row_block_types.insert(row + i, is_block);
3722 }
3723
3724 Some((element, final_size, row, x_offset))
3725 }
3726
3727 fn render_buffer_header(
3728 &self,
3729 for_excerpt: &ExcerptInfo,
3730 is_folded: bool,
3731 is_selected: bool,
3732 is_sticky: bool,
3733 jump_data: JumpData,
3734 window: &mut Window,
3735 cx: &mut App,
3736 ) -> impl IntoElement {
3737 let editor = self.editor.read(cx);
3738 let multi_buffer = editor.buffer.read(cx);
3739 let file_status = multi_buffer
3740 .all_diff_hunks_expanded()
3741 .then(|| {
3742 editor
3743 .project
3744 .as_ref()?
3745 .read(cx)
3746 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3747 })
3748 .flatten();
3749 let indicator = multi_buffer
3750 .buffer(for_excerpt.buffer_id)
3751 .and_then(|buffer| {
3752 let buffer = buffer.read(cx);
3753 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3754 (true, _) => Some(Color::Warning),
3755 (_, true) => Some(Color::Accent),
3756 (false, false) => None,
3757 };
3758 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3759 });
3760
3761 let include_root = editor
3762 .project
3763 .as_ref()
3764 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3765 .unwrap_or_default();
3766 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3767 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3768 let filename = relative_path
3769 .as_ref()
3770 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3771 let parent_path = relative_path.as_ref().and_then(|path| {
3772 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3773 });
3774 let focus_handle = editor.focus_handle(cx);
3775 let colors = cx.theme().colors();
3776
3777 let header = div()
3778 .p_1()
3779 .w_full()
3780 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3781 .child(
3782 h_flex()
3783 .size_full()
3784 .gap_2()
3785 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3786 .pl_0p5()
3787 .pr_5()
3788 .rounded_sm()
3789 .when(is_sticky, |el| el.shadow_md())
3790 .border_1()
3791 .map(|div| {
3792 let border_color = if is_selected
3793 && is_folded
3794 && focus_handle.contains_focused(window, cx)
3795 {
3796 colors.border_focused
3797 } else {
3798 colors.border
3799 };
3800 div.border_color(border_color)
3801 })
3802 .bg(colors.editor_subheader_background)
3803 .hover(|style| style.bg(colors.element_hover))
3804 .map(|header| {
3805 let editor = self.editor.clone();
3806 let buffer_id = for_excerpt.buffer_id;
3807 let toggle_chevron_icon =
3808 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3809 header.child(
3810 div()
3811 .hover(|style| style.bg(colors.element_selected))
3812 .rounded_xs()
3813 .child(
3814 ButtonLike::new("toggle-buffer-fold")
3815 .style(ui::ButtonStyle::Transparent)
3816 .height(px(28.).into())
3817 .width(px(28.))
3818 .children(toggle_chevron_icon)
3819 .tooltip({
3820 let focus_handle = focus_handle.clone();
3821 move |window, cx| {
3822 Tooltip::with_meta_in(
3823 "Toggle Excerpt Fold",
3824 Some(&ToggleFold),
3825 "Alt+click to toggle all",
3826 &focus_handle,
3827 window,
3828 cx,
3829 )
3830 }
3831 })
3832 .on_click(move |event, window, cx| {
3833 if event.modifiers().alt {
3834 // Alt+click toggles all buffers
3835 editor.update(cx, |editor, cx| {
3836 editor.toggle_fold_all(
3837 &ToggleFoldAll,
3838 window,
3839 cx,
3840 );
3841 });
3842 } else {
3843 // Regular click toggles single buffer
3844 if is_folded {
3845 editor.update(cx, |editor, cx| {
3846 editor.unfold_buffer(buffer_id, cx);
3847 });
3848 } else {
3849 editor.update(cx, |editor, cx| {
3850 editor.fold_buffer(buffer_id, cx);
3851 });
3852 }
3853 }
3854 }),
3855 ),
3856 )
3857 })
3858 .children(
3859 editor
3860 .addons
3861 .values()
3862 .filter_map(|addon| {
3863 addon.render_buffer_header_controls(for_excerpt, window, cx)
3864 })
3865 .take(1),
3866 )
3867 .child(
3868 h_flex()
3869 .size(Pixels(12.0))
3870 .justify_center()
3871 .children(indicator),
3872 )
3873 .child(
3874 h_flex()
3875 .cursor_pointer()
3876 .id("path header block")
3877 .size_full()
3878 .justify_between()
3879 .overflow_hidden()
3880 .child(
3881 h_flex()
3882 .gap_2()
3883 .map(|path_header| {
3884 let filename = filename
3885 .map(SharedString::from)
3886 .unwrap_or_else(|| "untitled".into());
3887
3888 path_header
3889 .when(ItemSettings::get_global(cx).file_icons, |el| {
3890 let path = path::Path::new(filename.as_str());
3891 let icon = FileIcons::get_icon(path, cx)
3892 .unwrap_or_default();
3893 let icon =
3894 Icon::from_path(icon).color(Color::Muted);
3895 el.child(icon)
3896 })
3897 .child(Label::new(filename).single_line().when_some(
3898 file_status,
3899 |el, status| {
3900 el.color(if status.is_conflicted() {
3901 Color::Conflict
3902 } else if status.is_modified() {
3903 Color::Modified
3904 } else if status.is_deleted() {
3905 Color::Disabled
3906 } else {
3907 Color::Created
3908 })
3909 .when(status.is_deleted(), |el| {
3910 el.strikethrough()
3911 })
3912 },
3913 ))
3914 })
3915 .when_some(parent_path, |then, path| {
3916 then.child(div().child(path).text_color(
3917 if file_status.is_some_and(FileStatus::is_deleted) {
3918 colors.text_disabled
3919 } else {
3920 colors.text_muted
3921 },
3922 ))
3923 }),
3924 )
3925 .when(
3926 can_open_excerpts && is_selected && relative_path.is_some(),
3927 |el| {
3928 el.child(
3929 h_flex()
3930 .id("jump-to-file-button")
3931 .gap_2p5()
3932 .child(Label::new("Jump To File"))
3933 .children(
3934 KeyBinding::for_action_in(
3935 &OpenExcerpts,
3936 &focus_handle,
3937 window,
3938 cx,
3939 )
3940 .map(|binding| binding.into_any_element()),
3941 ),
3942 )
3943 },
3944 )
3945 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3946 .on_click(window.listener_for(&self.editor, {
3947 move |editor, e: &ClickEvent, window, cx| {
3948 editor.open_excerpts_common(
3949 Some(jump_data.clone()),
3950 e.modifiers().secondary(),
3951 window,
3952 cx,
3953 );
3954 }
3955 })),
3956 ),
3957 );
3958
3959 let file = for_excerpt.buffer.file().cloned();
3960 let editor = self.editor.clone();
3961 right_click_menu("buffer-header-context-menu")
3962 .trigger(move |_, _, _| header)
3963 .menu(move |window, cx| {
3964 let menu_context = focus_handle.clone();
3965 let editor = editor.clone();
3966 let file = file.clone();
3967 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3968 if let Some(file) = file
3969 && let Some(project) = editor.read(cx).project()
3970 && let Some(worktree) =
3971 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3972 {
3973 let worktree = worktree.read(cx);
3974 let relative_path = file.path();
3975 let entry_for_path = worktree.entry_for_path(relative_path);
3976 let abs_path = entry_for_path.map(|e| {
3977 e.canonical_path.as_deref().map_or_else(
3978 || worktree.abs_path().join(relative_path),
3979 Path::to_path_buf,
3980 )
3981 });
3982 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
3983
3984 let parent_abs_path = abs_path
3985 .as_ref()
3986 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3987 let relative_path = has_relative_path
3988 .then_some(relative_path)
3989 .map(ToOwned::to_owned);
3990
3991 let visible_in_project_panel =
3992 relative_path.is_some() && worktree.is_visible();
3993 let reveal_in_project_panel = entry_for_path
3994 .filter(|_| visible_in_project_panel)
3995 .map(|entry| entry.id);
3996 menu = menu
3997 .when_some(abs_path, |menu, abs_path| {
3998 menu.entry(
3999 "Copy Path",
4000 Some(Box::new(zed_actions::workspace::CopyPath)),
4001 window.handler_for(&editor, move |_, _, cx| {
4002 cx.write_to_clipboard(ClipboardItem::new_string(
4003 abs_path.to_string_lossy().to_string(),
4004 ));
4005 }),
4006 )
4007 })
4008 .when_some(relative_path, |menu, relative_path| {
4009 menu.entry(
4010 "Copy Relative Path",
4011 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4012 window.handler_for(&editor, move |_, _, cx| {
4013 cx.write_to_clipboard(ClipboardItem::new_string(
4014 relative_path.to_string_lossy().to_string(),
4015 ));
4016 }),
4017 )
4018 })
4019 .when(
4020 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4021 |menu| menu.separator(),
4022 )
4023 .when_some(reveal_in_project_panel, |menu, entry_id| {
4024 menu.entry(
4025 "Reveal In Project Panel",
4026 Some(Box::new(RevealInProjectPanel::default())),
4027 window.handler_for(&editor, move |editor, _, cx| {
4028 if let Some(project) = &mut editor.project {
4029 project.update(cx, |_, cx| {
4030 cx.emit(project::Event::RevealInProjectPanel(
4031 entry_id,
4032 ))
4033 });
4034 }
4035 }),
4036 )
4037 })
4038 .when_some(parent_abs_path, |menu, parent_abs_path| {
4039 menu.entry(
4040 "Open in Terminal",
4041 Some(Box::new(OpenInTerminal)),
4042 window.handler_for(&editor, move |_, window, cx| {
4043 window.dispatch_action(
4044 OpenTerminal {
4045 working_directory: parent_abs_path.clone(),
4046 }
4047 .boxed_clone(),
4048 cx,
4049 );
4050 }),
4051 )
4052 });
4053 }
4054
4055 menu.context(menu_context)
4056 })
4057 })
4058 }
4059
4060 fn render_blocks(
4061 &self,
4062 rows: Range<DisplayRow>,
4063 snapshot: &EditorSnapshot,
4064 hitbox: &Hitbox,
4065 text_hitbox: &Hitbox,
4066 editor_width: Pixels,
4067 scroll_width: &mut Pixels,
4068 editor_margins: &EditorMargins,
4069 em_width: Pixels,
4070 text_x: Pixels,
4071 line_height: Pixels,
4072 line_layouts: &mut [LineWithInvisibles],
4073 selections: &[Selection<Point>],
4074 selected_buffer_ids: &Vec<BufferId>,
4075 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4076 sticky_header_excerpt_id: Option<ExcerptId>,
4077 window: &mut Window,
4078 cx: &mut App,
4079 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4080 let (fixed_blocks, non_fixed_blocks) = snapshot
4081 .blocks_in_range(rows.clone())
4082 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4083
4084 let mut focused_block = self
4085 .editor
4086 .update(cx, |editor, _| editor.take_focused_block());
4087 let mut fixed_block_max_width = Pixels::ZERO;
4088 let mut blocks = Vec::new();
4089 let mut resized_blocks = HashMap::default();
4090 let mut row_block_types = HashMap::default();
4091
4092 for (row, block) in fixed_blocks {
4093 let block_id = block.id();
4094
4095 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4096 focused_block = None;
4097 }
4098
4099 if let Some((element, element_size, row, x_offset)) = self.render_block(
4100 block,
4101 AvailableSpace::MinContent,
4102 block_id,
4103 row,
4104 snapshot,
4105 text_x,
4106 &rows,
4107 line_layouts,
4108 editor_margins,
4109 line_height,
4110 em_width,
4111 text_hitbox,
4112 editor_width,
4113 scroll_width,
4114 &mut resized_blocks,
4115 &mut row_block_types,
4116 selections,
4117 selected_buffer_ids,
4118 is_row_soft_wrapped,
4119 sticky_header_excerpt_id,
4120 window,
4121 cx,
4122 ) {
4123 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4124 blocks.push(BlockLayout {
4125 id: block_id,
4126 x_offset,
4127 row: Some(row),
4128 element,
4129 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4130 style: BlockStyle::Fixed,
4131 overlaps_gutter: true,
4132 is_buffer_header: block.is_buffer_header(),
4133 });
4134 }
4135 }
4136
4137 for (row, block) in non_fixed_blocks {
4138 let style = block.style();
4139 let width = match (style, block.place_near()) {
4140 (_, true) => AvailableSpace::MinContent,
4141 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4142 (BlockStyle::Flex, _) => hitbox
4143 .size
4144 .width
4145 .max(fixed_block_max_width)
4146 .max(editor_margins.gutter.width + *scroll_width)
4147 .into(),
4148 (BlockStyle::Fixed, _) => unreachable!(),
4149 };
4150 let block_id = block.id();
4151
4152 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4153 focused_block = None;
4154 }
4155
4156 if let Some((element, element_size, row, x_offset)) = self.render_block(
4157 block,
4158 width,
4159 block_id,
4160 row,
4161 snapshot,
4162 text_x,
4163 &rows,
4164 line_layouts,
4165 editor_margins,
4166 line_height,
4167 em_width,
4168 text_hitbox,
4169 editor_width,
4170 scroll_width,
4171 &mut resized_blocks,
4172 &mut row_block_types,
4173 selections,
4174 selected_buffer_ids,
4175 is_row_soft_wrapped,
4176 sticky_header_excerpt_id,
4177 window,
4178 cx,
4179 ) {
4180 blocks.push(BlockLayout {
4181 id: block_id,
4182 x_offset,
4183 row: Some(row),
4184 element,
4185 available_space: size(width, element_size.height.into()),
4186 style,
4187 overlaps_gutter: !block.place_near(),
4188 is_buffer_header: block.is_buffer_header(),
4189 });
4190 }
4191 }
4192
4193 if let Some(focused_block) = focused_block
4194 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4195 && focus_handle.is_focused(window)
4196 && let Some(block) = snapshot.block_for_id(focused_block.id)
4197 {
4198 let style = block.style();
4199 let width = match style {
4200 BlockStyle::Fixed => AvailableSpace::MinContent,
4201 BlockStyle::Flex => AvailableSpace::Definite(
4202 hitbox
4203 .size
4204 .width
4205 .max(fixed_block_max_width)
4206 .max(editor_margins.gutter.width + *scroll_width),
4207 ),
4208 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4209 };
4210
4211 if let Some((element, element_size, _, x_offset)) = self.render_block(
4212 &block,
4213 width,
4214 focused_block.id,
4215 rows.end,
4216 snapshot,
4217 text_x,
4218 &rows,
4219 line_layouts,
4220 editor_margins,
4221 line_height,
4222 em_width,
4223 text_hitbox,
4224 editor_width,
4225 scroll_width,
4226 &mut resized_blocks,
4227 &mut row_block_types,
4228 selections,
4229 selected_buffer_ids,
4230 is_row_soft_wrapped,
4231 sticky_header_excerpt_id,
4232 window,
4233 cx,
4234 ) {
4235 blocks.push(BlockLayout {
4236 id: block.id(),
4237 x_offset,
4238 row: None,
4239 element,
4240 available_space: size(width, element_size.height.into()),
4241 style,
4242 overlaps_gutter: true,
4243 is_buffer_header: block.is_buffer_header(),
4244 });
4245 }
4246 }
4247
4248 if resized_blocks.is_empty() {
4249 *scroll_width =
4250 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4251 Ok((blocks, row_block_types))
4252 } else {
4253 Err(resized_blocks)
4254 }
4255 }
4256
4257 fn layout_blocks(
4258 &self,
4259 blocks: &mut Vec<BlockLayout>,
4260 hitbox: &Hitbox,
4261 line_height: Pixels,
4262 scroll_pixel_position: gpui::Point<Pixels>,
4263 window: &mut Window,
4264 cx: &mut App,
4265 ) {
4266 for block in blocks {
4267 let mut origin = if let Some(row) = block.row {
4268 hitbox.origin
4269 + point(
4270 block.x_offset,
4271 row.as_f32() * line_height - scroll_pixel_position.y,
4272 )
4273 } else {
4274 // Position the block outside the visible area
4275 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4276 };
4277
4278 if !matches!(block.style, BlockStyle::Sticky) {
4279 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4280 }
4281
4282 let focus_handle =
4283 block
4284 .element
4285 .prepaint_as_root(origin, block.available_space, window, cx);
4286
4287 if let Some(focus_handle) = focus_handle {
4288 self.editor.update(cx, |editor, _cx| {
4289 editor.set_focused_block(FocusedBlock {
4290 id: block.id,
4291 focus_handle: focus_handle.downgrade(),
4292 });
4293 });
4294 }
4295 }
4296 }
4297
4298 fn layout_sticky_buffer_header(
4299 &self,
4300 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4301 scroll_position: f32,
4302 line_height: Pixels,
4303 right_margin: Pixels,
4304 snapshot: &EditorSnapshot,
4305 hitbox: &Hitbox,
4306 selected_buffer_ids: &Vec<BufferId>,
4307 blocks: &[BlockLayout],
4308 window: &mut Window,
4309 cx: &mut App,
4310 ) -> AnyElement {
4311 let jump_data = header_jump_data(
4312 snapshot,
4313 DisplayRow(scroll_position as u32),
4314 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4315 excerpt,
4316 );
4317
4318 let editor_bg_color = cx.theme().colors().editor_background;
4319
4320 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4321
4322 let available_width = hitbox.bounds.size.width - right_margin;
4323
4324 let mut header = v_flex()
4325 .w_full()
4326 .relative()
4327 .child(
4328 div()
4329 .w(available_width)
4330 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4331 .bg(linear_gradient(
4332 0.,
4333 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4334 linear_color_stop(editor_bg_color, 0.6),
4335 ))
4336 .absolute()
4337 .top_0(),
4338 )
4339 .child(
4340 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4341 .into_any_element(),
4342 )
4343 .into_any_element();
4344
4345 let mut origin = hitbox.origin;
4346 // Move floating header up to avoid colliding with the next buffer header.
4347 for block in blocks.iter() {
4348 if !block.is_buffer_header {
4349 continue;
4350 }
4351
4352 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4353 continue;
4354 };
4355
4356 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4357 let offset = scroll_position - max_row as f32;
4358
4359 if offset > 0.0 {
4360 origin.y -= offset * line_height;
4361 }
4362 break;
4363 }
4364
4365 let size = size(
4366 AvailableSpace::Definite(available_width),
4367 AvailableSpace::MinContent,
4368 );
4369
4370 header.prepaint_as_root(origin, size, window, cx);
4371
4372 header
4373 }
4374
4375 fn layout_cursor_popovers(
4376 &self,
4377 line_height: Pixels,
4378 text_hitbox: &Hitbox,
4379 content_origin: gpui::Point<Pixels>,
4380 right_margin: Pixels,
4381 start_row: DisplayRow,
4382 scroll_pixel_position: gpui::Point<Pixels>,
4383 line_layouts: &[LineWithInvisibles],
4384 cursor: DisplayPoint,
4385 cursor_point: Point,
4386 style: &EditorStyle,
4387 window: &mut Window,
4388 cx: &mut App,
4389 ) -> Option<ContextMenuLayout> {
4390 let mut min_menu_height = Pixels::ZERO;
4391 let mut max_menu_height = Pixels::ZERO;
4392 let mut height_above_menu = Pixels::ZERO;
4393 let height_below_menu = Pixels::ZERO;
4394 let mut edit_prediction_popover_visible = false;
4395 let mut context_menu_visible = false;
4396 let context_menu_placement;
4397
4398 {
4399 let editor = self.editor.read(cx);
4400 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4401 {
4402 height_above_menu +=
4403 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4404 edit_prediction_popover_visible = true;
4405 }
4406
4407 if editor.context_menu_visible()
4408 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4409 {
4410 let (min_height_in_lines, max_height_in_lines) = editor
4411 .context_menu_options
4412 .as_ref()
4413 .map_or((3, 12), |options| {
4414 (options.min_entries_visible, options.max_entries_visible)
4415 });
4416
4417 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4418 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4419 context_menu_visible = true;
4420 }
4421 context_menu_placement = editor
4422 .context_menu_options
4423 .as_ref()
4424 .and_then(|options| options.placement.clone());
4425 }
4426
4427 let visible = edit_prediction_popover_visible || context_menu_visible;
4428 if !visible {
4429 return None;
4430 }
4431
4432 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4433 let target_position = content_origin
4434 + gpui::Point {
4435 x: cmp::max(
4436 px(0.),
4437 cursor_row_layout.x_for_index(cursor.column() as usize)
4438 - scroll_pixel_position.x,
4439 ),
4440 y: cmp::max(
4441 px(0.),
4442 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4443 ),
4444 };
4445
4446 let viewport_bounds =
4447 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4448 right: -right_margin - MENU_GAP,
4449 ..Default::default()
4450 });
4451
4452 let min_height = height_above_menu + min_menu_height + height_below_menu;
4453 let max_height = height_above_menu + max_menu_height + height_below_menu;
4454 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4455 target_position,
4456 line_height,
4457 min_height,
4458 max_height,
4459 context_menu_placement,
4460 text_hitbox,
4461 viewport_bounds,
4462 window,
4463 cx,
4464 |height, max_width_for_stable_x, y_flipped, window, cx| {
4465 // First layout the menu to get its size - others can be at least this wide.
4466 let context_menu = if context_menu_visible {
4467 let menu_height = if y_flipped {
4468 height - height_below_menu
4469 } else {
4470 height - height_above_menu
4471 };
4472 let mut element = self
4473 .render_context_menu(line_height, menu_height, window, cx)
4474 .expect("Visible context menu should always render.");
4475 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4476 Some((CursorPopoverType::CodeContextMenu, element, size))
4477 } else {
4478 None
4479 };
4480 let min_width = context_menu
4481 .as_ref()
4482 .map_or(px(0.), |(_, _, size)| size.width);
4483 let max_width = max_width_for_stable_x.max(
4484 context_menu
4485 .as_ref()
4486 .map_or(px(0.), |(_, _, size)| size.width),
4487 );
4488
4489 let edit_prediction = if edit_prediction_popover_visible {
4490 self.editor.update(cx, move |editor, cx| {
4491 let accept_binding =
4492 editor.accept_edit_prediction_keybind(false, window, cx);
4493 let mut element = editor.render_edit_prediction_cursor_popover(
4494 min_width,
4495 max_width,
4496 cursor_point,
4497 style,
4498 accept_binding.keystroke(),
4499 window,
4500 cx,
4501 )?;
4502 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4503 Some((CursorPopoverType::EditPrediction, element, size))
4504 })
4505 } else {
4506 None
4507 };
4508 vec![edit_prediction, context_menu]
4509 .into_iter()
4510 .flatten()
4511 .collect::<Vec<_>>()
4512 },
4513 )?;
4514
4515 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4516 .iter()
4517 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4518 let last_ix = laid_out_popovers.len() - 1;
4519 let menu_is_last = menu_ix == last_ix;
4520 let first_popover_bounds = laid_out_popovers[0].1;
4521 let last_popover_bounds = laid_out_popovers[last_ix].1;
4522
4523 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4524 // right, and otherwise it goes below or to the right.
4525 let mut target_bounds = Bounds::from_corners(
4526 first_popover_bounds.origin,
4527 last_popover_bounds.bottom_right(),
4528 );
4529 target_bounds.size.width = menu_bounds.size.width;
4530
4531 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4532 // based on this is preferred for layout stability.
4533 let mut max_target_bounds = target_bounds;
4534 max_target_bounds.size.height = max_height;
4535 if y_flipped {
4536 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4537 }
4538
4539 // Add spacing around `target_bounds` and `max_target_bounds`.
4540 let mut extend_amount = Edges::all(MENU_GAP);
4541 if y_flipped {
4542 extend_amount.bottom = line_height;
4543 } else {
4544 extend_amount.top = line_height;
4545 }
4546 let target_bounds = target_bounds.extend(extend_amount);
4547 let max_target_bounds = max_target_bounds.extend(extend_amount);
4548
4549 let must_place_above_or_below =
4550 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4551 laid_out_popovers[menu_ix + 1..]
4552 .iter()
4553 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4554 } else {
4555 false
4556 };
4557
4558 let aside_bounds = self.layout_context_menu_aside(
4559 y_flipped,
4560 *menu_bounds,
4561 target_bounds,
4562 max_target_bounds,
4563 max_menu_height,
4564 must_place_above_or_below,
4565 text_hitbox,
4566 viewport_bounds,
4567 window,
4568 cx,
4569 );
4570
4571 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4572 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4573 Some(*bounds)
4574 } else {
4575 None
4576 }
4577 }) {
4578 let bounds = if let Some(aside_bounds) = aside_bounds {
4579 menu_bounds.union(&aside_bounds)
4580 } else {
4581 menu_bounds
4582 };
4583 return Some(ContextMenuLayout { y_flipped, bounds });
4584 }
4585
4586 None
4587 }
4588
4589 fn layout_gutter_menu(
4590 &self,
4591 line_height: Pixels,
4592 text_hitbox: &Hitbox,
4593 content_origin: gpui::Point<Pixels>,
4594 right_margin: Pixels,
4595 scroll_pixel_position: gpui::Point<Pixels>,
4596 gutter_overshoot: Pixels,
4597 window: &mut Window,
4598 cx: &mut App,
4599 ) {
4600 let editor = self.editor.read(cx);
4601 if !editor.context_menu_visible() {
4602 return;
4603 }
4604 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4605 editor.context_menu_origin()
4606 else {
4607 return;
4608 };
4609 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4610 // indicator than just a plain first column of the text field.
4611 let target_position = content_origin
4612 + gpui::Point {
4613 x: -gutter_overshoot,
4614 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4615 };
4616
4617 let (min_height_in_lines, max_height_in_lines) = editor
4618 .context_menu_options
4619 .as_ref()
4620 .map_or((3, 12), |options| {
4621 (options.min_entries_visible, options.max_entries_visible)
4622 });
4623
4624 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4625 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4626 let viewport_bounds =
4627 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4628 right: -right_margin - MENU_GAP,
4629 ..Default::default()
4630 });
4631 self.layout_popovers_above_or_below_line(
4632 target_position,
4633 line_height,
4634 min_height,
4635 max_height,
4636 editor
4637 .context_menu_options
4638 .as_ref()
4639 .and_then(|options| options.placement.clone()),
4640 text_hitbox,
4641 viewport_bounds,
4642 window,
4643 cx,
4644 move |height, _max_width_for_stable_x, _, window, cx| {
4645 let mut element = self
4646 .render_context_menu(line_height, height, window, cx)
4647 .expect("Visible context menu should always render.");
4648 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4649 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4650 },
4651 );
4652 }
4653
4654 fn layout_popovers_above_or_below_line(
4655 &self,
4656 target_position: gpui::Point<Pixels>,
4657 line_height: Pixels,
4658 min_height: Pixels,
4659 max_height: Pixels,
4660 placement: Option<ContextMenuPlacement>,
4661 text_hitbox: &Hitbox,
4662 viewport_bounds: Bounds<Pixels>,
4663 window: &mut Window,
4664 cx: &mut App,
4665 make_sized_popovers: impl FnOnce(
4666 Pixels,
4667 Pixels,
4668 bool,
4669 &mut Window,
4670 &mut App,
4671 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4672 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4673 let text_style = TextStyleRefinement {
4674 line_height: Some(DefiniteLength::Fraction(
4675 BufferLineHeight::Comfortable.value(),
4676 )),
4677 ..Default::default()
4678 };
4679 window.with_text_style(Some(text_style), |window| {
4680 // If the max height won't fit below and there is more space above, put it above the line.
4681 let bottom_y_when_flipped = target_position.y - line_height;
4682 let available_above = bottom_y_when_flipped - text_hitbox.top();
4683 let available_below = text_hitbox.bottom() - target_position.y;
4684 let y_overflows_below = max_height > available_below;
4685 let mut y_flipped = match placement {
4686 Some(ContextMenuPlacement::Above) => true,
4687 Some(ContextMenuPlacement::Below) => false,
4688 None => y_overflows_below && available_above > available_below,
4689 };
4690 let mut height = cmp::min(
4691 max_height,
4692 if y_flipped {
4693 available_above
4694 } else {
4695 available_below
4696 },
4697 );
4698
4699 // If the min height doesn't fit within text bounds, instead fit within the window.
4700 if height < min_height {
4701 let available_above = bottom_y_when_flipped;
4702 let available_below = viewport_bounds.bottom() - target_position.y;
4703 let (y_flipped_override, height_override) = match placement {
4704 Some(ContextMenuPlacement::Above) => {
4705 (true, cmp::min(available_above, min_height))
4706 }
4707 Some(ContextMenuPlacement::Below) => {
4708 (false, cmp::min(available_below, min_height))
4709 }
4710 None => {
4711 if available_below > min_height {
4712 (false, min_height)
4713 } else if available_above > min_height {
4714 (true, min_height)
4715 } else if available_above > available_below {
4716 (true, available_above)
4717 } else {
4718 (false, available_below)
4719 }
4720 }
4721 };
4722 y_flipped = y_flipped_override;
4723 height = height_override;
4724 }
4725
4726 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4727
4728 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4729 // for very narrow windows.
4730 let popovers =
4731 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4732 if popovers.is_empty() {
4733 return None;
4734 }
4735
4736 let max_width = popovers
4737 .iter()
4738 .map(|(_, _, size)| size.width)
4739 .max()
4740 .unwrap_or_default();
4741
4742 let mut current_position = gpui::Point {
4743 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4744 // overflow. Include space for the scrollbar.
4745 x: target_position
4746 .x
4747 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4748 y: if y_flipped {
4749 bottom_y_when_flipped
4750 } else {
4751 target_position.y
4752 },
4753 };
4754
4755 let mut laid_out_popovers = popovers
4756 .into_iter()
4757 .map(|(popover_type, element, size)| {
4758 if y_flipped {
4759 current_position.y -= size.height;
4760 }
4761 let position = current_position;
4762 window.defer_draw(element, current_position, 1);
4763 if !y_flipped {
4764 current_position.y += size.height + MENU_GAP;
4765 } else {
4766 current_position.y -= MENU_GAP;
4767 }
4768 (popover_type, Bounds::new(position, size))
4769 })
4770 .collect::<Vec<_>>();
4771
4772 if y_flipped {
4773 laid_out_popovers.reverse();
4774 }
4775
4776 Some((laid_out_popovers, y_flipped))
4777 })
4778 }
4779
4780 fn layout_context_menu_aside(
4781 &self,
4782 y_flipped: bool,
4783 menu_bounds: Bounds<Pixels>,
4784 target_bounds: Bounds<Pixels>,
4785 max_target_bounds: Bounds<Pixels>,
4786 max_height: Pixels,
4787 must_place_above_or_below: bool,
4788 text_hitbox: &Hitbox,
4789 viewport_bounds: Bounds<Pixels>,
4790 window: &mut Window,
4791 cx: &mut App,
4792 ) -> Option<Bounds<Pixels>> {
4793 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4794 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4795 && !must_place_above_or_below
4796 {
4797 let max_width = cmp::min(
4798 available_within_viewport.right - px(1.),
4799 MENU_ASIDE_MAX_WIDTH,
4800 );
4801 let mut aside = self.render_context_menu_aside(
4802 size(max_width, max_height - POPOVER_Y_PADDING),
4803 window,
4804 cx,
4805 )?;
4806 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4807 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4808 Some((aside, right_position, size))
4809 } else {
4810 let max_size = size(
4811 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4812 // won't be needed here.
4813 cmp::min(
4814 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4815 viewport_bounds.right(),
4816 ),
4817 cmp::min(
4818 max_height,
4819 cmp::max(
4820 available_within_viewport.top,
4821 available_within_viewport.bottom,
4822 ),
4823 ) - POPOVER_Y_PADDING,
4824 );
4825 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4826 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4827
4828 let top_position = point(
4829 menu_bounds.origin.x,
4830 target_bounds.top() - actual_size.height,
4831 );
4832 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4833
4834 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4835 // Prefer to fit on the same side of the line as the menu, then on the other side of
4836 // the line.
4837 if !y_flipped && wanted.height < available.bottom {
4838 Some(bottom_position)
4839 } else if !y_flipped && wanted.height < available.top {
4840 Some(top_position)
4841 } else if y_flipped && wanted.height < available.top {
4842 Some(top_position)
4843 } else if y_flipped && wanted.height < available.bottom {
4844 Some(bottom_position)
4845 } else {
4846 None
4847 }
4848 };
4849
4850 // Prefer choosing a direction using max sizes rather than actual size for stability.
4851 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4852 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4853 let aside_position = fit_within(available_within_text, wanted)
4854 // Fallback: fit max size in window.
4855 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4856 // Fallback: fit actual size in window.
4857 .or_else(|| fit_within(available_within_viewport, actual_size));
4858
4859 aside_position.map(|position| (aside, position, actual_size))
4860 };
4861
4862 // Skip drawing if it doesn't fit anywhere.
4863 if let Some((aside, position, size)) = positioned_aside {
4864 let aside_bounds = Bounds::new(position, size);
4865 window.defer_draw(aside, position, 2);
4866 return Some(aside_bounds);
4867 }
4868
4869 None
4870 }
4871
4872 fn render_context_menu(
4873 &self,
4874 line_height: Pixels,
4875 height: Pixels,
4876 window: &mut Window,
4877 cx: &mut App,
4878 ) -> Option<AnyElement> {
4879 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4880 self.editor.update(cx, |editor, cx| {
4881 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4882 })
4883 }
4884
4885 fn render_context_menu_aside(
4886 &self,
4887 max_size: Size<Pixels>,
4888 window: &mut Window,
4889 cx: &mut App,
4890 ) -> Option<AnyElement> {
4891 if max_size.width < px(100.) || max_size.height < px(12.) {
4892 None
4893 } else {
4894 self.editor.update(cx, |editor, cx| {
4895 editor.render_context_menu_aside(max_size, window, cx)
4896 })
4897 }
4898 }
4899
4900 fn layout_mouse_context_menu(
4901 &self,
4902 editor_snapshot: &EditorSnapshot,
4903 visible_range: Range<DisplayRow>,
4904 content_origin: gpui::Point<Pixels>,
4905 window: &mut Window,
4906 cx: &mut App,
4907 ) -> Option<AnyElement> {
4908 let position = self.editor.update(cx, |editor, _cx| {
4909 let visible_start_point = editor.display_to_pixel_point(
4910 DisplayPoint::new(visible_range.start, 0),
4911 editor_snapshot,
4912 window,
4913 )?;
4914 let visible_end_point = editor.display_to_pixel_point(
4915 DisplayPoint::new(visible_range.end, 0),
4916 editor_snapshot,
4917 window,
4918 )?;
4919
4920 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4921 let (source_display_point, position) = match mouse_context_menu.position {
4922 MenuPosition::PinnedToScreen(point) => (None, point),
4923 MenuPosition::PinnedToEditor { source, offset } => {
4924 let source_display_point = source.to_display_point(editor_snapshot);
4925 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4926 let position = content_origin + source_point + offset;
4927 (Some(source_display_point), position)
4928 }
4929 };
4930
4931 let source_included = source_display_point.is_none_or(|source_display_point| {
4932 visible_range
4933 .to_inclusive()
4934 .contains(&source_display_point.row())
4935 });
4936 let position_included =
4937 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4938 if !source_included && !position_included {
4939 None
4940 } else {
4941 Some(position)
4942 }
4943 })?;
4944
4945 let text_style = TextStyleRefinement {
4946 line_height: Some(DefiniteLength::Fraction(
4947 BufferLineHeight::Comfortable.value(),
4948 )),
4949 ..Default::default()
4950 };
4951 window.with_text_style(Some(text_style), |window| {
4952 let mut element = self.editor.read_with(cx, |editor, _| {
4953 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4954 let context_menu = mouse_context_menu.context_menu.clone();
4955
4956 Some(
4957 deferred(
4958 anchored()
4959 .position(position)
4960 .child(context_menu)
4961 .anchor(Corner::TopLeft)
4962 .snap_to_window_with_margin(px(8.)),
4963 )
4964 .with_priority(1)
4965 .into_any(),
4966 )
4967 })?;
4968
4969 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4970 Some(element)
4971 })
4972 }
4973
4974 fn layout_hover_popovers(
4975 &self,
4976 snapshot: &EditorSnapshot,
4977 hitbox: &Hitbox,
4978 visible_display_row_range: Range<DisplayRow>,
4979 content_origin: gpui::Point<Pixels>,
4980 scroll_pixel_position: gpui::Point<Pixels>,
4981 line_layouts: &[LineWithInvisibles],
4982 line_height: Pixels,
4983 em_width: Pixels,
4984 context_menu_layout: Option<ContextMenuLayout>,
4985 window: &mut Window,
4986 cx: &mut App,
4987 ) {
4988 struct MeasuredHoverPopover {
4989 element: AnyElement,
4990 size: Size<Pixels>,
4991 horizontal_offset: Pixels,
4992 }
4993
4994 let max_size = size(
4995 (120. * em_width) // Default size
4996 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4997 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4998 (16. * line_height) // Default size
4999 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5000 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5001 );
5002
5003 let hover_popovers = self.editor.update(cx, |editor, cx| {
5004 editor.hover_state.render(
5005 snapshot,
5006 visible_display_row_range.clone(),
5007 max_size,
5008 window,
5009 cx,
5010 )
5011 });
5012 let Some((position, hover_popovers)) = hover_popovers else {
5013 return;
5014 };
5015
5016 // This is safe because we check on layout whether the required row is available
5017 let hovered_row_layout =
5018 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5019
5020 // Compute Hovered Point
5021 let x =
5022 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5023 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5024 let hovered_point = content_origin + point(x, y);
5025
5026 let mut overall_height = Pixels::ZERO;
5027 let mut measured_hover_popovers = Vec::new();
5028 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5029 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5030 let horizontal_offset =
5031 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5032 .min(Pixels::ZERO);
5033 match position {
5034 itertools::Position::Middle | itertools::Position::Last => {
5035 overall_height += HOVER_POPOVER_GAP
5036 }
5037 _ => {}
5038 }
5039 overall_height += size.height;
5040 measured_hover_popovers.push(MeasuredHoverPopover {
5041 element: hover_popover,
5042 size,
5043 horizontal_offset,
5044 });
5045 }
5046
5047 fn draw_occluder(
5048 width: Pixels,
5049 origin: gpui::Point<Pixels>,
5050 window: &mut Window,
5051 cx: &mut App,
5052 ) {
5053 let mut occlusion = div()
5054 .size_full()
5055 .occlude()
5056 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5057 .into_any_element();
5058 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5059 window.defer_draw(occlusion, origin, 2);
5060 }
5061
5062 fn place_popovers_above(
5063 hovered_point: gpui::Point<Pixels>,
5064 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5065 window: &mut Window,
5066 cx: &mut App,
5067 ) {
5068 let mut current_y = hovered_point.y;
5069 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5070 let size = popover.size;
5071 let popover_origin = point(
5072 hovered_point.x + popover.horizontal_offset,
5073 current_y - size.height,
5074 );
5075
5076 window.defer_draw(popover.element, popover_origin, 2);
5077 if position != itertools::Position::Last {
5078 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5079 draw_occluder(size.width, origin, window, cx);
5080 }
5081
5082 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5083 }
5084 }
5085
5086 fn place_popovers_below(
5087 hovered_point: gpui::Point<Pixels>,
5088 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5089 line_height: Pixels,
5090 window: &mut Window,
5091 cx: &mut App,
5092 ) {
5093 let mut current_y = hovered_point.y + line_height;
5094 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5095 let size = popover.size;
5096 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5097
5098 window.defer_draw(popover.element, popover_origin, 2);
5099 if position != itertools::Position::Last {
5100 let origin = point(popover_origin.x, popover_origin.y + size.height);
5101 draw_occluder(size.width, origin, window, cx);
5102 }
5103
5104 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5105 }
5106 }
5107
5108 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5109 context_menu_layout
5110 .as_ref()
5111 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5112 };
5113
5114 let can_place_above = {
5115 let mut bounds_above = Vec::new();
5116 let mut current_y = hovered_point.y;
5117 for popover in &measured_hover_popovers {
5118 let size = popover.size;
5119 let popover_origin = point(
5120 hovered_point.x + popover.horizontal_offset,
5121 current_y - size.height,
5122 );
5123 bounds_above.push(Bounds::new(popover_origin, size));
5124 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5125 }
5126 bounds_above
5127 .iter()
5128 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5129 };
5130
5131 let can_place_below = || {
5132 let mut bounds_below = Vec::new();
5133 let mut current_y = hovered_point.y + line_height;
5134 for popover in &measured_hover_popovers {
5135 let size = popover.size;
5136 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5137 bounds_below.push(Bounds::new(popover_origin, size));
5138 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5139 }
5140 bounds_below
5141 .iter()
5142 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5143 };
5144
5145 if can_place_above {
5146 // try placing above hovered point
5147 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5148 } else if can_place_below() {
5149 // try placing below hovered point
5150 place_popovers_below(
5151 hovered_point,
5152 measured_hover_popovers,
5153 line_height,
5154 window,
5155 cx,
5156 );
5157 } else {
5158 // try to place popovers around the context menu
5159 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5160 let total_width = measured_hover_popovers
5161 .iter()
5162 .map(|p| p.size.width)
5163 .max()
5164 .unwrap_or(Pixels::ZERO);
5165 let y_for_horizontal_positioning = if menu.y_flipped {
5166 menu.bounds.bottom() - overall_height
5167 } else {
5168 menu.bounds.top()
5169 };
5170 let possible_origins = vec![
5171 // left of context menu
5172 point(
5173 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5174 y_for_horizontal_positioning,
5175 ),
5176 // right of context menu
5177 point(
5178 menu.bounds.right() + HOVER_POPOVER_GAP,
5179 y_for_horizontal_positioning,
5180 ),
5181 // top of context menu
5182 point(
5183 menu.bounds.left(),
5184 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5185 ),
5186 // bottom of context menu
5187 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5188 ];
5189 possible_origins.into_iter().find(|&origin| {
5190 Bounds::new(origin, size(total_width, overall_height))
5191 .is_contained_within(hitbox)
5192 })
5193 });
5194 if let Some(origin) = origin_surrounding_menu {
5195 let mut current_y = origin.y;
5196 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5197 let size = popover.size;
5198 let popover_origin = point(origin.x, current_y);
5199
5200 window.defer_draw(popover.element, popover_origin, 2);
5201 if position != itertools::Position::Last {
5202 let origin = point(popover_origin.x, popover_origin.y + size.height);
5203 draw_occluder(size.width, origin, window, cx);
5204 }
5205
5206 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5207 }
5208 } else {
5209 // fallback to existing above/below cursor logic
5210 // this might overlap menu or overflow in rare case
5211 if can_place_above {
5212 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5213 } else {
5214 place_popovers_below(
5215 hovered_point,
5216 measured_hover_popovers,
5217 line_height,
5218 window,
5219 cx,
5220 );
5221 }
5222 }
5223 }
5224 }
5225
5226 fn layout_diff_hunk_controls(
5227 &self,
5228 row_range: Range<DisplayRow>,
5229 row_infos: &[RowInfo],
5230 text_hitbox: &Hitbox,
5231 newest_cursor_position: Option<DisplayPoint>,
5232 line_height: Pixels,
5233 right_margin: Pixels,
5234 scroll_pixel_position: gpui::Point<Pixels>,
5235 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5236 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5237 editor: Entity<Editor>,
5238 window: &mut Window,
5239 cx: &mut App,
5240 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5241 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5242 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5243
5244 let mut controls = vec![];
5245 let mut control_bounds = vec![];
5246
5247 let active_positions = [
5248 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5249 newest_cursor_position,
5250 ];
5251
5252 for (hunk, _) in display_hunks {
5253 if let DisplayDiffHunk::Unfolded {
5254 display_row_range,
5255 multi_buffer_range,
5256 status,
5257 is_created_file,
5258 ..
5259 } = &hunk
5260 {
5261 if display_row_range.start < row_range.start
5262 || display_row_range.start >= row_range.end
5263 {
5264 continue;
5265 }
5266 if highlighted_rows
5267 .get(&display_row_range.start)
5268 .and_then(|highlight| highlight.type_id)
5269 .is_some_and(|type_id| {
5270 [
5271 TypeId::of::<ConflictsOuter>(),
5272 TypeId::of::<ConflictsOursMarker>(),
5273 TypeId::of::<ConflictsOurs>(),
5274 TypeId::of::<ConflictsTheirs>(),
5275 TypeId::of::<ConflictsTheirsMarker>(),
5276 ]
5277 .contains(&type_id)
5278 })
5279 {
5280 continue;
5281 }
5282 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5283 if row_infos[row_ix].diff_status.is_none() {
5284 continue;
5285 }
5286 if row_infos[row_ix]
5287 .diff_status
5288 .is_some_and(|status| status.is_added())
5289 && !status.is_added()
5290 {
5291 continue;
5292 }
5293
5294 if active_positions
5295 .iter()
5296 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5297 {
5298 let y = display_row_range.start.as_f32() * line_height
5299 + text_hitbox.bounds.top()
5300 - scroll_pixel_position.y;
5301
5302 let mut element = render_diff_hunk_controls(
5303 display_row_range.start.0,
5304 status,
5305 multi_buffer_range.clone(),
5306 *is_created_file,
5307 line_height,
5308 &editor,
5309 window,
5310 cx,
5311 );
5312 let size =
5313 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5314
5315 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5316
5317 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5318 control_bounds.push((display_row_range.start, bounds));
5319
5320 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5321 element.prepaint(window, cx)
5322 });
5323 controls.push(element);
5324 }
5325 }
5326 }
5327
5328 (controls, control_bounds)
5329 }
5330
5331 fn layout_signature_help(
5332 &self,
5333 hitbox: &Hitbox,
5334 content_origin: gpui::Point<Pixels>,
5335 scroll_pixel_position: gpui::Point<Pixels>,
5336 newest_selection_head: Option<DisplayPoint>,
5337 start_row: DisplayRow,
5338 line_layouts: &[LineWithInvisibles],
5339 line_height: Pixels,
5340 em_width: Pixels,
5341 context_menu_layout: Option<ContextMenuLayout>,
5342 window: &mut Window,
5343 cx: &mut App,
5344 ) {
5345 if !self.editor.focus_handle(cx).is_focused(window) {
5346 return;
5347 }
5348 let Some(newest_selection_head) = newest_selection_head else {
5349 return;
5350 };
5351
5352 let max_size = size(
5353 (120. * em_width) // Default size
5354 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5355 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5356 (16. * line_height) // Default size
5357 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5358 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5359 );
5360
5361 let maybe_element = self.editor.update(cx, |editor, cx| {
5362 if let Some(popover) = editor.signature_help_state.popover_mut() {
5363 let element = popover.render(max_size, window, cx);
5364 Some(element)
5365 } else {
5366 None
5367 }
5368 });
5369 let Some(mut element) = maybe_element else {
5370 return;
5371 };
5372
5373 let selection_row = newest_selection_head.row();
5374 let Some(cursor_row_layout) = (selection_row >= start_row)
5375 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5376 .flatten()
5377 else {
5378 return;
5379 };
5380
5381 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5382 - scroll_pixel_position.x;
5383 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5384 let target_point = content_origin + point(target_x, target_y);
5385
5386 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5387
5388 let (popover_bounds_above, popover_bounds_below) = {
5389 let horizontal_offset = (hitbox.top_right().x
5390 - POPOVER_RIGHT_OFFSET
5391 - (target_point.x + actual_size.width))
5392 .min(Pixels::ZERO);
5393 let initial_x = target_point.x + horizontal_offset;
5394 (
5395 Bounds::new(
5396 point(initial_x, target_point.y - actual_size.height),
5397 actual_size,
5398 ),
5399 Bounds::new(
5400 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5401 actual_size,
5402 ),
5403 )
5404 };
5405
5406 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5407 context_menu_layout
5408 .as_ref()
5409 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5410 };
5411
5412 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5413 && !intersects_menu(popover_bounds_above)
5414 {
5415 // try placing above cursor
5416 popover_bounds_above.origin
5417 } else if popover_bounds_below.is_contained_within(hitbox)
5418 && !intersects_menu(popover_bounds_below)
5419 {
5420 // try placing below cursor
5421 popover_bounds_below.origin
5422 } else {
5423 // try surrounding context menu if exists
5424 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5425 let y_for_horizontal_positioning = if menu.y_flipped {
5426 menu.bounds.bottom() - actual_size.height
5427 } else {
5428 menu.bounds.top()
5429 };
5430 let possible_origins = vec![
5431 // left of context menu
5432 point(
5433 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5434 y_for_horizontal_positioning,
5435 ),
5436 // right of context menu
5437 point(
5438 menu.bounds.right() + HOVER_POPOVER_GAP,
5439 y_for_horizontal_positioning,
5440 ),
5441 // top of context menu
5442 point(
5443 menu.bounds.left(),
5444 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5445 ),
5446 // bottom of context menu
5447 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5448 ];
5449 possible_origins
5450 .into_iter()
5451 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5452 });
5453 origin_surrounding_menu.unwrap_or_else(|| {
5454 // fallback to existing above/below cursor logic
5455 // this might overlap menu or overflow in rare case
5456 if popover_bounds_above.is_contained_within(hitbox) {
5457 popover_bounds_above.origin
5458 } else {
5459 popover_bounds_below.origin
5460 }
5461 })
5462 };
5463
5464 window.defer_draw(element, final_origin, 2);
5465 }
5466
5467 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5468 window.paint_layer(layout.hitbox.bounds, |window| {
5469 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5470 let gutter_bg = cx.theme().colors().editor_gutter_background;
5471 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5472 window.paint_quad(fill(
5473 layout.position_map.text_hitbox.bounds,
5474 self.style.background,
5475 ));
5476
5477 if matches!(
5478 layout.mode,
5479 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5480 ) {
5481 let show_active_line_background = match layout.mode {
5482 EditorMode::Full {
5483 show_active_line_background,
5484 ..
5485 } => show_active_line_background,
5486 EditorMode::Minimap { .. } => true,
5487 _ => false,
5488 };
5489 let mut active_rows = layout.active_rows.iter().peekable();
5490 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5491 let mut end_row = start_row.0;
5492 while active_rows
5493 .peek()
5494 .is_some_and(|(active_row, has_selection)| {
5495 active_row.0 == end_row + 1
5496 && has_selection.selection == contains_non_empty_selection.selection
5497 })
5498 {
5499 active_rows.next().unwrap();
5500 end_row += 1;
5501 }
5502
5503 if show_active_line_background && !contains_non_empty_selection.selection {
5504 let highlight_h_range =
5505 match layout.position_map.snapshot.current_line_highlight {
5506 CurrentLineHighlight::Gutter => Some(Range {
5507 start: layout.hitbox.left(),
5508 end: layout.gutter_hitbox.right(),
5509 }),
5510 CurrentLineHighlight::Line => Some(Range {
5511 start: layout.position_map.text_hitbox.bounds.left(),
5512 end: layout.position_map.text_hitbox.bounds.right(),
5513 }),
5514 CurrentLineHighlight::All => Some(Range {
5515 start: layout.hitbox.left(),
5516 end: layout.hitbox.right(),
5517 }),
5518 CurrentLineHighlight::None => None,
5519 };
5520 if let Some(range) = highlight_h_range {
5521 let active_line_bg = cx.theme().colors().editor_active_line_background;
5522 let bounds = Bounds {
5523 origin: point(
5524 range.start,
5525 layout.hitbox.origin.y
5526 + (start_row.as_f32() - scroll_top)
5527 * layout.position_map.line_height,
5528 ),
5529 size: size(
5530 range.end - range.start,
5531 layout.position_map.line_height
5532 * (end_row - start_row.0 + 1) as f32,
5533 ),
5534 };
5535 window.paint_quad(fill(bounds, active_line_bg));
5536 }
5537 }
5538 }
5539
5540 let mut paint_highlight = |highlight_row_start: DisplayRow,
5541 highlight_row_end: DisplayRow,
5542 highlight: crate::LineHighlight,
5543 edges| {
5544 let mut origin_x = layout.hitbox.left();
5545 let mut width = layout.hitbox.size.width;
5546 if !highlight.include_gutter {
5547 origin_x += layout.gutter_hitbox.size.width;
5548 width -= layout.gutter_hitbox.size.width;
5549 }
5550
5551 let origin = point(
5552 origin_x,
5553 layout.hitbox.origin.y
5554 + (highlight_row_start.as_f32() - scroll_top)
5555 * layout.position_map.line_height,
5556 );
5557 let size = size(
5558 width,
5559 layout.position_map.line_height
5560 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5561 );
5562 let mut quad = fill(Bounds { origin, size }, highlight.background);
5563 if let Some(border_color) = highlight.border {
5564 quad.border_color = border_color;
5565 quad.border_widths = edges
5566 }
5567 window.paint_quad(quad);
5568 };
5569
5570 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5571 None;
5572 for (&new_row, &new_background) in &layout.highlighted_rows {
5573 match &mut current_paint {
5574 &mut Some((current_background, ref mut current_range, mut edges)) => {
5575 let new_range_started = current_background != new_background
5576 || current_range.end.next_row() != new_row;
5577 if new_range_started {
5578 if current_range.end.next_row() == new_row {
5579 edges.bottom = px(0.);
5580 };
5581 paint_highlight(
5582 current_range.start,
5583 current_range.end,
5584 current_background,
5585 edges,
5586 );
5587 let edges = Edges {
5588 top: if current_range.end.next_row() != new_row {
5589 px(1.)
5590 } else {
5591 px(0.)
5592 },
5593 bottom: px(1.),
5594 ..Default::default()
5595 };
5596 current_paint = Some((new_background, new_row..new_row, edges));
5597 continue;
5598 } else {
5599 current_range.end = current_range.end.next_row();
5600 }
5601 }
5602 None => {
5603 let edges = Edges {
5604 top: px(1.),
5605 bottom: px(1.),
5606 ..Default::default()
5607 };
5608 current_paint = Some((new_background, new_row..new_row, edges))
5609 }
5610 };
5611 }
5612 if let Some((color, range, edges)) = current_paint {
5613 paint_highlight(range.start, range.end, color, edges);
5614 }
5615
5616 for (guide_x, active) in layout.wrap_guides.iter() {
5617 let color = if *active {
5618 cx.theme().colors().editor_active_wrap_guide
5619 } else {
5620 cx.theme().colors().editor_wrap_guide
5621 };
5622 window.paint_quad(fill(
5623 Bounds {
5624 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5625 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5626 },
5627 color,
5628 ));
5629 }
5630 }
5631 })
5632 }
5633
5634 fn paint_indent_guides(
5635 &mut self,
5636 layout: &mut EditorLayout,
5637 window: &mut Window,
5638 cx: &mut App,
5639 ) {
5640 let Some(indent_guides) = &layout.indent_guides else {
5641 return;
5642 };
5643
5644 let faded_color = |color: Hsla, alpha: f32| {
5645 let mut faded = color;
5646 faded.a = alpha;
5647 faded
5648 };
5649
5650 for indent_guide in indent_guides {
5651 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5652 let settings = indent_guide.settings;
5653
5654 // TODO fixed for now, expose them through themes later
5655 const INDENT_AWARE_ALPHA: f32 = 0.2;
5656 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5657 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5658 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5659
5660 let line_color = match (settings.coloring, indent_guide.active) {
5661 (IndentGuideColoring::Disabled, _) => None,
5662 (IndentGuideColoring::Fixed, false) => {
5663 Some(cx.theme().colors().editor_indent_guide)
5664 }
5665 (IndentGuideColoring::Fixed, true) => {
5666 Some(cx.theme().colors().editor_indent_guide_active)
5667 }
5668 (IndentGuideColoring::IndentAware, false) => {
5669 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5670 }
5671 (IndentGuideColoring::IndentAware, true) => {
5672 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5673 }
5674 };
5675
5676 let background_color = match (settings.background_coloring, indent_guide.active) {
5677 (IndentGuideBackgroundColoring::Disabled, _) => None,
5678 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5679 indent_accent_colors,
5680 INDENT_AWARE_BACKGROUND_ALPHA,
5681 )),
5682 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5683 indent_accent_colors,
5684 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5685 )),
5686 };
5687
5688 let requested_line_width = if indent_guide.active {
5689 settings.active_line_width
5690 } else {
5691 settings.line_width
5692 }
5693 .clamp(1, 10);
5694 let mut line_indicator_width = 0.;
5695 if let Some(color) = line_color {
5696 window.paint_quad(fill(
5697 Bounds {
5698 origin: indent_guide.origin,
5699 size: size(px(requested_line_width as f32), indent_guide.length),
5700 },
5701 color,
5702 ));
5703 line_indicator_width = requested_line_width as f32;
5704 }
5705
5706 if let Some(color) = background_color {
5707 let width = indent_guide.single_indent_width - px(line_indicator_width);
5708 window.paint_quad(fill(
5709 Bounds {
5710 origin: point(
5711 indent_guide.origin.x + px(line_indicator_width),
5712 indent_guide.origin.y,
5713 ),
5714 size: size(width, indent_guide.length),
5715 },
5716 color,
5717 ));
5718 }
5719 }
5720 }
5721
5722 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5723 let is_singleton = self.editor.read(cx).is_singleton(cx);
5724
5725 let line_height = layout.position_map.line_height;
5726 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5727
5728 for LineNumberLayout {
5729 shaped_line,
5730 hitbox,
5731 } in layout.line_numbers.values()
5732 {
5733 let Some(hitbox) = hitbox else {
5734 continue;
5735 };
5736
5737 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5738 let color = cx.theme().colors().editor_hover_line_number;
5739
5740 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5741 line.paint(hitbox.origin, line_height, window, cx).log_err()
5742 } else {
5743 shaped_line
5744 .paint(hitbox.origin, line_height, window, cx)
5745 .log_err()
5746 }) else {
5747 continue;
5748 };
5749
5750 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5751 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5752 if is_singleton {
5753 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5754 } else {
5755 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5756 }
5757 }
5758 }
5759
5760 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5761 if layout.display_hunks.is_empty() {
5762 return;
5763 }
5764
5765 let line_height = layout.position_map.line_height;
5766 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5767 for (hunk, hitbox) in &layout.display_hunks {
5768 let hunk_to_paint = match hunk {
5769 DisplayDiffHunk::Folded { .. } => {
5770 let hunk_bounds = Self::diff_hunk_bounds(
5771 &layout.position_map.snapshot,
5772 line_height,
5773 layout.gutter_hitbox.bounds,
5774 hunk,
5775 );
5776 Some((
5777 hunk_bounds,
5778 cx.theme().colors().version_control_modified,
5779 Corners::all(px(0.)),
5780 DiffHunkStatus::modified_none(),
5781 ))
5782 }
5783 DisplayDiffHunk::Unfolded {
5784 status,
5785 display_row_range,
5786 ..
5787 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5788 DiffHunkStatusKind::Added => (
5789 hunk_hitbox.bounds,
5790 cx.theme().colors().version_control_added,
5791 Corners::all(px(0.)),
5792 *status,
5793 ),
5794 DiffHunkStatusKind::Modified => (
5795 hunk_hitbox.bounds,
5796 cx.theme().colors().version_control_modified,
5797 Corners::all(px(0.)),
5798 *status,
5799 ),
5800 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5801 hunk_hitbox.bounds,
5802 cx.theme().colors().version_control_deleted,
5803 Corners::all(px(0.)),
5804 *status,
5805 ),
5806 DiffHunkStatusKind::Deleted => (
5807 Bounds::new(
5808 point(
5809 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5810 hunk_hitbox.origin.y,
5811 ),
5812 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5813 ),
5814 cx.theme().colors().version_control_deleted,
5815 Corners::all(1. * line_height),
5816 *status,
5817 ),
5818 }),
5819 };
5820
5821 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5822 // Flatten the background color with the editor color to prevent
5823 // elements below transparent hunks from showing through
5824 let flattened_background_color = cx
5825 .theme()
5826 .colors()
5827 .editor_background
5828 .blend(background_color);
5829
5830 if !Self::diff_hunk_hollow(status, cx) {
5831 window.paint_quad(quad(
5832 hunk_bounds,
5833 corner_radii,
5834 flattened_background_color,
5835 Edges::default(),
5836 transparent_black(),
5837 BorderStyle::default(),
5838 ));
5839 } else {
5840 let flattened_unstaged_background_color = cx
5841 .theme()
5842 .colors()
5843 .editor_background
5844 .blend(background_color.opacity(0.3));
5845
5846 window.paint_quad(quad(
5847 hunk_bounds,
5848 corner_radii,
5849 flattened_unstaged_background_color,
5850 Edges::all(Pixels(1.0)),
5851 flattened_background_color,
5852 BorderStyle::Solid,
5853 ));
5854 }
5855 }
5856 }
5857 });
5858 }
5859
5860 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5861 (0.275 * line_height).floor()
5862 }
5863
5864 fn diff_hunk_bounds(
5865 snapshot: &EditorSnapshot,
5866 line_height: Pixels,
5867 gutter_bounds: Bounds<Pixels>,
5868 hunk: &DisplayDiffHunk,
5869 ) -> Bounds<Pixels> {
5870 let scroll_position = snapshot.scroll_position();
5871 let scroll_top = scroll_position.y * line_height;
5872 let gutter_strip_width = Self::gutter_strip_width(line_height);
5873
5874 match hunk {
5875 DisplayDiffHunk::Folded { display_row, .. } => {
5876 let start_y = display_row.as_f32() * line_height - scroll_top;
5877 let end_y = start_y + line_height;
5878 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5879 let highlight_size = size(gutter_strip_width, end_y - start_y);
5880 Bounds::new(highlight_origin, highlight_size)
5881 }
5882 DisplayDiffHunk::Unfolded {
5883 display_row_range,
5884 status,
5885 ..
5886 } => {
5887 if status.is_deleted() && display_row_range.is_empty() {
5888 let row = display_row_range.start;
5889
5890 let offset = line_height / 2.;
5891 let start_y = row.as_f32() * line_height - offset - scroll_top;
5892 let end_y = start_y + line_height;
5893
5894 let width = (0.35 * line_height).floor();
5895 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5896 let highlight_size = size(width, end_y - start_y);
5897 Bounds::new(highlight_origin, highlight_size)
5898 } else {
5899 let start_row = display_row_range.start;
5900 let end_row = display_row_range.end;
5901 // If we're in a multibuffer, row range span might include an
5902 // excerpt header, so if we were to draw the marker straight away,
5903 // the hunk might include the rows of that header.
5904 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5905 // Instead, we simply check whether the range we're dealing with includes
5906 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5907 let end_row_in_current_excerpt = snapshot
5908 .blocks_in_range(start_row..end_row)
5909 .find_map(|(start_row, block)| {
5910 if matches!(
5911 block,
5912 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5913 ) {
5914 Some(start_row)
5915 } else {
5916 None
5917 }
5918 })
5919 .unwrap_or(end_row);
5920
5921 let start_y = start_row.as_f32() * line_height - scroll_top;
5922 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5923
5924 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5925 let highlight_size = size(gutter_strip_width, end_y - start_y);
5926 Bounds::new(highlight_origin, highlight_size)
5927 }
5928 }
5929 }
5930 }
5931
5932 fn paint_gutter_indicators(
5933 &self,
5934 layout: &mut EditorLayout,
5935 window: &mut Window,
5936 cx: &mut App,
5937 ) {
5938 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5939 window.with_element_namespace("crease_toggles", |window| {
5940 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5941 crease_toggle.paint(window, cx);
5942 }
5943 });
5944
5945 window.with_element_namespace("expand_toggles", |window| {
5946 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5947 expand_toggle.paint(window, cx);
5948 }
5949 });
5950
5951 for breakpoint in layout.breakpoints.iter_mut() {
5952 breakpoint.paint(window, cx);
5953 }
5954
5955 for test_indicator in layout.test_indicators.iter_mut() {
5956 test_indicator.paint(window, cx);
5957 }
5958 });
5959 }
5960
5961 fn paint_gutter_highlights(
5962 &self,
5963 layout: &mut EditorLayout,
5964 window: &mut Window,
5965 cx: &mut App,
5966 ) {
5967 for (_, hunk_hitbox) in &layout.display_hunks {
5968 if let Some(hunk_hitbox) = hunk_hitbox
5969 && !self
5970 .editor
5971 .read(cx)
5972 .buffer()
5973 .read(cx)
5974 .all_diff_hunks_expanded()
5975 {
5976 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5977 }
5978 }
5979
5980 let show_git_gutter = layout
5981 .position_map
5982 .snapshot
5983 .show_git_diff_gutter
5984 .unwrap_or_else(|| {
5985 matches!(
5986 ProjectSettings::get_global(cx).git.git_gutter,
5987 Some(GitGutterSetting::TrackedFiles)
5988 )
5989 });
5990 if show_git_gutter {
5991 Self::paint_gutter_diff_hunks(layout, window, cx)
5992 }
5993
5994 let highlight_width = 0.275 * layout.position_map.line_height;
5995 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5996 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5997 for (range, color) in &layout.highlighted_gutter_ranges {
5998 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5999 layout.visible_display_row_range.start - DisplayRow(1)
6000 } else {
6001 range.start.row()
6002 };
6003 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6004 layout.visible_display_row_range.end + DisplayRow(1)
6005 } else {
6006 range.end.row()
6007 };
6008
6009 let start_y = layout.gutter_hitbox.top()
6010 + start_row.0 as f32 * layout.position_map.line_height
6011 - layout.position_map.scroll_pixel_position.y;
6012 let end_y = layout.gutter_hitbox.top()
6013 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6014 - layout.position_map.scroll_pixel_position.y;
6015 let bounds = Bounds::from_corners(
6016 point(layout.gutter_hitbox.left(), start_y),
6017 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6018 );
6019 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6020 }
6021 });
6022 }
6023
6024 fn paint_blamed_display_rows(
6025 &self,
6026 layout: &mut EditorLayout,
6027 window: &mut Window,
6028 cx: &mut App,
6029 ) {
6030 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6031 return;
6032 };
6033
6034 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6035 for mut blame_element in blamed_display_rows.into_iter() {
6036 blame_element.paint(window, cx);
6037 }
6038 })
6039 }
6040
6041 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6042 window.with_content_mask(
6043 Some(ContentMask {
6044 bounds: layout.position_map.text_hitbox.bounds,
6045 }),
6046 |window| {
6047 let editor = self.editor.read(cx);
6048 if editor.mouse_cursor_hidden {
6049 window.set_window_cursor_style(CursorStyle::None);
6050 } else if let SelectionDragState::ReadyToDrag {
6051 mouse_down_time, ..
6052 } = &editor.selection_drag_state
6053 {
6054 let drag_and_drop_delay = Duration::from_millis(
6055 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6056 );
6057 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6058 window.set_cursor_style(
6059 CursorStyle::DragCopy,
6060 &layout.position_map.text_hitbox,
6061 );
6062 }
6063 } else if matches!(
6064 editor.selection_drag_state,
6065 SelectionDragState::Dragging { .. }
6066 ) {
6067 window
6068 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6069 } else if editor
6070 .hovered_link_state
6071 .as_ref()
6072 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6073 {
6074 window.set_cursor_style(
6075 CursorStyle::PointingHand,
6076 &layout.position_map.text_hitbox,
6077 );
6078 } else {
6079 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6080 };
6081
6082 self.paint_lines_background(layout, window, cx);
6083 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6084 self.paint_document_colors(layout, window);
6085 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6086 self.paint_redactions(layout, window);
6087 self.paint_cursors(layout, window, cx);
6088 self.paint_inline_diagnostics(layout, window, cx);
6089 self.paint_inline_blame(layout, window, cx);
6090 self.paint_inline_code_actions(layout, window, cx);
6091 self.paint_diff_hunk_controls(layout, window, cx);
6092 window.with_element_namespace("crease_trailers", |window| {
6093 for trailer in layout.crease_trailers.iter_mut().flatten() {
6094 trailer.element.paint(window, cx);
6095 }
6096 });
6097 },
6098 )
6099 }
6100
6101 fn paint_highlights(
6102 &mut self,
6103 layout: &mut EditorLayout,
6104 window: &mut Window,
6105 cx: &mut App,
6106 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6107 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6108 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6109 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6110 for (range, color) in &layout.highlighted_ranges {
6111 self.paint_highlighted_range(
6112 range.clone(),
6113 true,
6114 *color,
6115 Pixels::ZERO,
6116 line_end_overshoot,
6117 layout,
6118 window,
6119 );
6120 }
6121
6122 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6123 0.15 * layout.position_map.line_height
6124 } else {
6125 Pixels::ZERO
6126 };
6127
6128 for (player_color, selections) in &layout.selections {
6129 for selection in selections.iter() {
6130 self.paint_highlighted_range(
6131 selection.range.clone(),
6132 true,
6133 player_color.selection,
6134 corner_radius,
6135 corner_radius * 2.,
6136 layout,
6137 window,
6138 );
6139
6140 if selection.is_local && !selection.range.is_empty() {
6141 invisible_display_ranges.push(selection.range.clone());
6142 }
6143 }
6144 }
6145 invisible_display_ranges
6146 })
6147 }
6148
6149 fn paint_lines(
6150 &mut self,
6151 invisible_display_ranges: &[Range<DisplayPoint>],
6152 layout: &mut EditorLayout,
6153 window: &mut Window,
6154 cx: &mut App,
6155 ) {
6156 let whitespace_setting = self
6157 .editor
6158 .read(cx)
6159 .buffer
6160 .read(cx)
6161 .language_settings(cx)
6162 .show_whitespaces;
6163
6164 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6165 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6166 line_with_invisibles.draw(
6167 layout,
6168 row,
6169 layout.content_origin,
6170 whitespace_setting,
6171 invisible_display_ranges,
6172 window,
6173 cx,
6174 )
6175 }
6176
6177 for line_element in &mut layout.line_elements {
6178 line_element.paint(window, cx);
6179 }
6180 }
6181
6182 fn paint_lines_background(
6183 &mut self,
6184 layout: &mut EditorLayout,
6185 window: &mut Window,
6186 cx: &mut App,
6187 ) {
6188 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6189 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6190 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6191 }
6192 }
6193
6194 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6195 if layout.redacted_ranges.is_empty() {
6196 return;
6197 }
6198
6199 let line_end_overshoot = layout.line_end_overshoot();
6200
6201 // A softer than perfect black
6202 let redaction_color = gpui::rgb(0x0e1111);
6203
6204 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6205 for range in layout.redacted_ranges.iter() {
6206 self.paint_highlighted_range(
6207 range.clone(),
6208 true,
6209 redaction_color.into(),
6210 Pixels::ZERO,
6211 line_end_overshoot,
6212 layout,
6213 window,
6214 );
6215 }
6216 });
6217 }
6218
6219 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6220 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6221 return;
6222 };
6223 if image_colors.is_empty()
6224 || colors_render_mode == &DocumentColorsRenderMode::None
6225 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6226 {
6227 return;
6228 }
6229
6230 let line_end_overshoot = layout.line_end_overshoot();
6231
6232 for (range, color) in image_colors {
6233 match colors_render_mode {
6234 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6235 DocumentColorsRenderMode::Background => {
6236 self.paint_highlighted_range(
6237 range.clone(),
6238 true,
6239 *color,
6240 Pixels::ZERO,
6241 line_end_overshoot,
6242 layout,
6243 window,
6244 );
6245 }
6246 DocumentColorsRenderMode::Border => {
6247 self.paint_highlighted_range(
6248 range.clone(),
6249 false,
6250 *color,
6251 Pixels::ZERO,
6252 line_end_overshoot,
6253 layout,
6254 window,
6255 );
6256 }
6257 }
6258 }
6259 }
6260
6261 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6262 for cursor in &mut layout.visible_cursors {
6263 cursor.paint(layout.content_origin, window, cx);
6264 }
6265 }
6266
6267 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6268 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6269 return;
6270 };
6271 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6272
6273 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6274 let hitbox = &scrollbar_layout.hitbox;
6275 if scrollbars_layout.visible {
6276 let scrollbar_edges = match axis {
6277 ScrollbarAxis::Horizontal => Edges {
6278 top: Pixels::ZERO,
6279 right: Pixels::ZERO,
6280 bottom: Pixels::ZERO,
6281 left: Pixels::ZERO,
6282 },
6283 ScrollbarAxis::Vertical => Edges {
6284 top: Pixels::ZERO,
6285 right: Pixels::ZERO,
6286 bottom: Pixels::ZERO,
6287 left: ScrollbarLayout::BORDER_WIDTH,
6288 },
6289 };
6290
6291 window.paint_layer(hitbox.bounds, |window| {
6292 window.paint_quad(quad(
6293 hitbox.bounds,
6294 Corners::default(),
6295 cx.theme().colors().scrollbar_track_background,
6296 scrollbar_edges,
6297 cx.theme().colors().scrollbar_track_border,
6298 BorderStyle::Solid,
6299 ));
6300
6301 if axis == ScrollbarAxis::Vertical {
6302 let fast_markers =
6303 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6304 // Refresh slow scrollbar markers in the background. Below, we
6305 // paint whatever markers have already been computed.
6306 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6307
6308 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6309 for marker in markers.iter().chain(&fast_markers) {
6310 let mut marker = marker.clone();
6311 marker.bounds.origin += hitbox.origin;
6312 window.paint_quad(marker);
6313 }
6314 }
6315
6316 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6317 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6318 ScrollbarThumbState::Dragging => {
6319 cx.theme().colors().scrollbar_thumb_active_background
6320 }
6321 ScrollbarThumbState::Hovered => {
6322 cx.theme().colors().scrollbar_thumb_hover_background
6323 }
6324 ScrollbarThumbState::Idle => {
6325 cx.theme().colors().scrollbar_thumb_background
6326 }
6327 };
6328 window.paint_quad(quad(
6329 thumb_bounds,
6330 Corners::default(),
6331 scrollbar_thumb_color,
6332 scrollbar_edges,
6333 cx.theme().colors().scrollbar_thumb_border,
6334 BorderStyle::Solid,
6335 ));
6336
6337 if any_scrollbar_dragged {
6338 window.set_window_cursor_style(CursorStyle::Arrow);
6339 } else {
6340 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6341 }
6342 }
6343 })
6344 }
6345 }
6346
6347 window.on_mouse_event({
6348 let editor = self.editor.clone();
6349 let scrollbars_layout = scrollbars_layout.clone();
6350
6351 let mut mouse_position = window.mouse_position();
6352 move |event: &MouseMoveEvent, phase, window, cx| {
6353 if phase == DispatchPhase::Capture {
6354 return;
6355 }
6356
6357 editor.update(cx, |editor, cx| {
6358 if let Some((scrollbar_layout, axis)) = event
6359 .pressed_button
6360 .filter(|button| *button == MouseButton::Left)
6361 .and(editor.scroll_manager.dragging_scrollbar_axis())
6362 .and_then(|axis| {
6363 scrollbars_layout
6364 .iter_scrollbars()
6365 .find(|(_, a)| *a == axis)
6366 })
6367 {
6368 let ScrollbarLayout {
6369 hitbox,
6370 text_unit_size,
6371 ..
6372 } = scrollbar_layout;
6373
6374 let old_position = mouse_position.along(axis);
6375 let new_position = event.position.along(axis);
6376 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6377 .contains(&old_position)
6378 {
6379 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6380 (p + (new_position - old_position) / *text_unit_size).max(0.)
6381 });
6382 editor.set_scroll_position(position, window, cx);
6383 }
6384
6385 editor.scroll_manager.show_scrollbars(window, cx);
6386 cx.stop_propagation();
6387 } else if let Some((layout, axis)) = scrollbars_layout
6388 .get_hovered_axis(window)
6389 .filter(|_| !event.dragging())
6390 {
6391 if layout.thumb_hovered(&event.position) {
6392 editor
6393 .scroll_manager
6394 .set_hovered_scroll_thumb_axis(axis, cx);
6395 } else {
6396 editor.scroll_manager.reset_scrollbar_state(cx);
6397 }
6398
6399 editor.scroll_manager.show_scrollbars(window, cx);
6400 } else {
6401 editor.scroll_manager.reset_scrollbar_state(cx);
6402 }
6403
6404 mouse_position = event.position;
6405 })
6406 }
6407 });
6408
6409 if any_scrollbar_dragged {
6410 window.on_mouse_event({
6411 let editor = self.editor.clone();
6412 move |_: &MouseUpEvent, phase, window, cx| {
6413 if phase == DispatchPhase::Capture {
6414 return;
6415 }
6416
6417 editor.update(cx, |editor, cx| {
6418 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6419 editor
6420 .scroll_manager
6421 .set_hovered_scroll_thumb_axis(axis, cx);
6422 } else {
6423 editor.scroll_manager.reset_scrollbar_state(cx);
6424 }
6425 cx.stop_propagation();
6426 });
6427 }
6428 });
6429 } else {
6430 window.on_mouse_event({
6431 let editor = self.editor.clone();
6432
6433 move |event: &MouseDownEvent, phase, window, cx| {
6434 if phase == DispatchPhase::Capture {
6435 return;
6436 }
6437 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6438 else {
6439 return;
6440 };
6441
6442 let ScrollbarLayout {
6443 hitbox,
6444 visible_range,
6445 text_unit_size,
6446 thumb_bounds,
6447 ..
6448 } = scrollbar_layout;
6449
6450 let Some(thumb_bounds) = thumb_bounds else {
6451 return;
6452 };
6453
6454 editor.update(cx, |editor, cx| {
6455 editor
6456 .scroll_manager
6457 .set_dragged_scroll_thumb_axis(axis, cx);
6458
6459 let event_position = event.position.along(axis);
6460
6461 if event_position < thumb_bounds.origin.along(axis)
6462 || thumb_bounds.bottom_right().along(axis) < event_position
6463 {
6464 let center_position = ((event_position - hitbox.origin.along(axis))
6465 / *text_unit_size)
6466 .round() as u32;
6467 let start_position = center_position.saturating_sub(
6468 (visible_range.end - visible_range.start) as u32 / 2,
6469 );
6470
6471 let position = editor
6472 .scroll_position(cx)
6473 .apply_along(axis, |_| start_position as f32);
6474
6475 editor.set_scroll_position(position, window, cx);
6476 } else {
6477 editor.scroll_manager.show_scrollbars(window, cx);
6478 }
6479
6480 cx.stop_propagation();
6481 });
6482 }
6483 });
6484 }
6485 }
6486
6487 fn collect_fast_scrollbar_markers(
6488 &self,
6489 layout: &EditorLayout,
6490 scrollbar_layout: &ScrollbarLayout,
6491 cx: &mut App,
6492 ) -> Vec<PaintQuad> {
6493 const LIMIT: usize = 100;
6494 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6495 return vec![];
6496 }
6497 let cursor_ranges = layout
6498 .cursors
6499 .iter()
6500 .map(|(point, color)| ColoredRange {
6501 start: point.row(),
6502 end: point.row(),
6503 color: *color,
6504 })
6505 .collect_vec();
6506 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6507 }
6508
6509 fn refresh_slow_scrollbar_markers(
6510 &self,
6511 layout: &EditorLayout,
6512 scrollbar_layout: &ScrollbarLayout,
6513 window: &mut Window,
6514 cx: &mut App,
6515 ) {
6516 self.editor.update(cx, |editor, cx| {
6517 if !editor.is_singleton(cx)
6518 || !editor
6519 .scrollbar_marker_state
6520 .should_refresh(scrollbar_layout.hitbox.size)
6521 {
6522 return;
6523 }
6524
6525 let scrollbar_layout = scrollbar_layout.clone();
6526 let background_highlights = editor.background_highlights.clone();
6527 let snapshot = layout.position_map.snapshot.clone();
6528 let theme = cx.theme().clone();
6529 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6530
6531 editor.scrollbar_marker_state.dirty = false;
6532 editor.scrollbar_marker_state.pending_refresh =
6533 Some(cx.spawn_in(window, async move |editor, cx| {
6534 let scrollbar_size = scrollbar_layout.hitbox.size;
6535 let scrollbar_markers = cx
6536 .background_spawn(async move {
6537 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6538 let mut marker_quads = Vec::new();
6539 if scrollbar_settings.git_diff {
6540 let marker_row_ranges =
6541 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6542 let start_display_row =
6543 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6544 .to_display_point(&snapshot.display_snapshot)
6545 .row();
6546 let mut end_display_row =
6547 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6548 .to_display_point(&snapshot.display_snapshot)
6549 .row();
6550 if end_display_row != start_display_row {
6551 end_display_row.0 -= 1;
6552 }
6553 let color = match &hunk.status().kind {
6554 DiffHunkStatusKind::Added => {
6555 theme.colors().version_control_added
6556 }
6557 DiffHunkStatusKind::Modified => {
6558 theme.colors().version_control_modified
6559 }
6560 DiffHunkStatusKind::Deleted => {
6561 theme.colors().version_control_deleted
6562 }
6563 };
6564 ColoredRange {
6565 start: start_display_row,
6566 end: end_display_row,
6567 color,
6568 }
6569 });
6570
6571 marker_quads.extend(
6572 scrollbar_layout
6573 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6574 );
6575 }
6576
6577 for (background_highlight_id, (_, background_ranges)) in
6578 background_highlights.iter()
6579 {
6580 let is_search_highlights = *background_highlight_id
6581 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6582 let is_text_highlights = *background_highlight_id
6583 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6584 let is_symbol_occurrences = *background_highlight_id
6585 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6586 || *background_highlight_id
6587 == HighlightKey::Type(
6588 TypeId::of::<DocumentHighlightWrite>(),
6589 );
6590 if (is_search_highlights && scrollbar_settings.search_results)
6591 || (is_text_highlights && scrollbar_settings.selected_text)
6592 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6593 {
6594 let mut color = theme.status().info;
6595 if is_symbol_occurrences {
6596 color.fade_out(0.5);
6597 }
6598 let marker_row_ranges = background_ranges.iter().map(|range| {
6599 let display_start = range
6600 .start
6601 .to_display_point(&snapshot.display_snapshot);
6602 let display_end =
6603 range.end.to_display_point(&snapshot.display_snapshot);
6604 ColoredRange {
6605 start: display_start.row(),
6606 end: display_end.row(),
6607 color,
6608 }
6609 });
6610 marker_quads.extend(
6611 scrollbar_layout
6612 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6613 );
6614 }
6615 }
6616
6617 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6618 let diagnostics = snapshot
6619 .buffer_snapshot
6620 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6621 // Don't show diagnostics the user doesn't care about
6622 .filter(|diagnostic| {
6623 match (
6624 scrollbar_settings.diagnostics,
6625 diagnostic.diagnostic.severity,
6626 ) {
6627 (ScrollbarDiagnostics::All, _) => true,
6628 (
6629 ScrollbarDiagnostics::Error,
6630 lsp::DiagnosticSeverity::ERROR,
6631 ) => true,
6632 (
6633 ScrollbarDiagnostics::Warning,
6634 lsp::DiagnosticSeverity::ERROR
6635 | lsp::DiagnosticSeverity::WARNING,
6636 ) => true,
6637 (
6638 ScrollbarDiagnostics::Information,
6639 lsp::DiagnosticSeverity::ERROR
6640 | lsp::DiagnosticSeverity::WARNING
6641 | lsp::DiagnosticSeverity::INFORMATION,
6642 ) => true,
6643 (_, _) => false,
6644 }
6645 })
6646 // We want to sort by severity, in order to paint the most severe diagnostics last.
6647 .sorted_by_key(|diagnostic| {
6648 std::cmp::Reverse(diagnostic.diagnostic.severity)
6649 });
6650
6651 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6652 let start_display = diagnostic
6653 .range
6654 .start
6655 .to_display_point(&snapshot.display_snapshot);
6656 let end_display = diagnostic
6657 .range
6658 .end
6659 .to_display_point(&snapshot.display_snapshot);
6660 let color = match diagnostic.diagnostic.severity {
6661 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6662 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6663 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6664 _ => theme.status().hint,
6665 };
6666 ColoredRange {
6667 start: start_display.row(),
6668 end: end_display.row(),
6669 color,
6670 }
6671 });
6672 marker_quads.extend(
6673 scrollbar_layout
6674 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6675 );
6676 }
6677
6678 Arc::from(marker_quads)
6679 })
6680 .await;
6681
6682 editor.update(cx, |editor, cx| {
6683 editor.scrollbar_marker_state.markers = scrollbar_markers;
6684 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6685 editor.scrollbar_marker_state.pending_refresh = None;
6686 cx.notify();
6687 })?;
6688
6689 Ok(())
6690 }));
6691 });
6692 }
6693
6694 fn paint_highlighted_range(
6695 &self,
6696 range: Range<DisplayPoint>,
6697 fill: bool,
6698 color: Hsla,
6699 corner_radius: Pixels,
6700 line_end_overshoot: Pixels,
6701 layout: &EditorLayout,
6702 window: &mut Window,
6703 ) {
6704 let start_row = layout.visible_display_row_range.start;
6705 let end_row = layout.visible_display_row_range.end;
6706 if range.start != range.end {
6707 let row_range = if range.end.column() == 0 {
6708 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6709 } else {
6710 cmp::max(range.start.row(), start_row)
6711 ..cmp::min(range.end.row().next_row(), end_row)
6712 };
6713
6714 let highlighted_range = HighlightedRange {
6715 color,
6716 line_height: layout.position_map.line_height,
6717 corner_radius,
6718 start_y: layout.content_origin.y
6719 + row_range.start.as_f32() * layout.position_map.line_height
6720 - layout.position_map.scroll_pixel_position.y,
6721 lines: row_range
6722 .iter_rows()
6723 .map(|row| {
6724 let line_layout =
6725 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6726 HighlightedRangeLine {
6727 start_x: if row == range.start.row() {
6728 layout.content_origin.x
6729 + line_layout.x_for_index(range.start.column() as usize)
6730 - layout.position_map.scroll_pixel_position.x
6731 } else {
6732 layout.content_origin.x
6733 - layout.position_map.scroll_pixel_position.x
6734 },
6735 end_x: if row == range.end.row() {
6736 layout.content_origin.x
6737 + line_layout.x_for_index(range.end.column() as usize)
6738 - layout.position_map.scroll_pixel_position.x
6739 } else {
6740 layout.content_origin.x + line_layout.width + line_end_overshoot
6741 - layout.position_map.scroll_pixel_position.x
6742 },
6743 }
6744 })
6745 .collect(),
6746 };
6747
6748 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6749 }
6750 }
6751
6752 fn paint_inline_diagnostics(
6753 &mut self,
6754 layout: &mut EditorLayout,
6755 window: &mut Window,
6756 cx: &mut App,
6757 ) {
6758 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6759 inline_diagnostic.1.paint(window, cx);
6760 }
6761 }
6762
6763 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6764 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6765 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6766 blame_layout.element.paint(window, cx);
6767 })
6768 }
6769 }
6770
6771 fn paint_inline_code_actions(
6772 &mut self,
6773 layout: &mut EditorLayout,
6774 window: &mut Window,
6775 cx: &mut App,
6776 ) {
6777 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6778 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6779 inline_code_actions.paint(window, cx);
6780 })
6781 }
6782 }
6783
6784 fn paint_diff_hunk_controls(
6785 &mut self,
6786 layout: &mut EditorLayout,
6787 window: &mut Window,
6788 cx: &mut App,
6789 ) {
6790 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6791 diff_hunk_control.paint(window, cx);
6792 }
6793 }
6794
6795 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6796 if let Some(mut layout) = layout.minimap.take() {
6797 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6798 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6799
6800 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6801 window.with_element_namespace("minimap", |window| {
6802 layout.minimap.paint(window, cx);
6803 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6804 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6805 ScrollbarThumbState::Idle => {
6806 cx.theme().colors().minimap_thumb_background
6807 }
6808 ScrollbarThumbState::Hovered => {
6809 cx.theme().colors().minimap_thumb_hover_background
6810 }
6811 ScrollbarThumbState::Dragging => {
6812 cx.theme().colors().minimap_thumb_active_background
6813 }
6814 };
6815 let minimap_thumb_border = match layout.thumb_border_style {
6816 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6817 MinimapThumbBorder::LeftOnly => Edges {
6818 left: ScrollbarLayout::BORDER_WIDTH,
6819 ..Default::default()
6820 },
6821 MinimapThumbBorder::LeftOpen => Edges {
6822 right: ScrollbarLayout::BORDER_WIDTH,
6823 top: ScrollbarLayout::BORDER_WIDTH,
6824 bottom: ScrollbarLayout::BORDER_WIDTH,
6825 ..Default::default()
6826 },
6827 MinimapThumbBorder::RightOpen => Edges {
6828 left: ScrollbarLayout::BORDER_WIDTH,
6829 top: ScrollbarLayout::BORDER_WIDTH,
6830 bottom: ScrollbarLayout::BORDER_WIDTH,
6831 ..Default::default()
6832 },
6833 MinimapThumbBorder::None => Default::default(),
6834 };
6835
6836 window.paint_layer(minimap_hitbox.bounds, |window| {
6837 window.paint_quad(quad(
6838 thumb_bounds,
6839 Corners::default(),
6840 minimap_thumb_color,
6841 minimap_thumb_border,
6842 cx.theme().colors().minimap_thumb_border,
6843 BorderStyle::Solid,
6844 ));
6845 });
6846 }
6847 });
6848 });
6849
6850 if dragging_minimap {
6851 window.set_window_cursor_style(CursorStyle::Arrow);
6852 } else {
6853 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6854 }
6855
6856 let minimap_axis = ScrollbarAxis::Vertical;
6857 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6858 .min(layout.minimap_line_height);
6859
6860 let mut mouse_position = window.mouse_position();
6861
6862 window.on_mouse_event({
6863 let editor = self.editor.clone();
6864
6865 let minimap_hitbox = minimap_hitbox.clone();
6866
6867 move |event: &MouseMoveEvent, phase, window, cx| {
6868 if phase == DispatchPhase::Capture {
6869 return;
6870 }
6871
6872 editor.update(cx, |editor, cx| {
6873 if event.pressed_button == Some(MouseButton::Left)
6874 && editor.scroll_manager.is_dragging_minimap()
6875 {
6876 let old_position = mouse_position.along(minimap_axis);
6877 let new_position = event.position.along(minimap_axis);
6878 if (minimap_hitbox.origin.along(minimap_axis)
6879 ..minimap_hitbox.bottom_right().along(minimap_axis))
6880 .contains(&old_position)
6881 {
6882 let position =
6883 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6884 (p + (new_position - old_position) / pixels_per_line)
6885 .max(0.)
6886 });
6887 editor.set_scroll_position(position, window, cx);
6888 }
6889 cx.stop_propagation();
6890 } else if minimap_hitbox.is_hovered(window) {
6891 editor.scroll_manager.set_is_hovering_minimap_thumb(
6892 !event.dragging()
6893 && layout
6894 .thumb_layout
6895 .thumb_bounds
6896 .is_some_and(|bounds| bounds.contains(&event.position)),
6897 cx,
6898 );
6899
6900 // Stop hover events from propagating to the
6901 // underlying editor if the minimap hitbox is hovered
6902 if !event.dragging() {
6903 cx.stop_propagation();
6904 }
6905 } else {
6906 editor.scroll_manager.hide_minimap_thumb(cx);
6907 }
6908 mouse_position = event.position;
6909 });
6910 }
6911 });
6912
6913 if dragging_minimap {
6914 window.on_mouse_event({
6915 let editor = self.editor.clone();
6916 move |event: &MouseUpEvent, phase, window, cx| {
6917 if phase == DispatchPhase::Capture {
6918 return;
6919 }
6920
6921 editor.update(cx, |editor, cx| {
6922 if minimap_hitbox.is_hovered(window) {
6923 editor.scroll_manager.set_is_hovering_minimap_thumb(
6924 layout
6925 .thumb_layout
6926 .thumb_bounds
6927 .is_some_and(|bounds| bounds.contains(&event.position)),
6928 cx,
6929 );
6930 } else {
6931 editor.scroll_manager.hide_minimap_thumb(cx);
6932 }
6933 cx.stop_propagation();
6934 });
6935 }
6936 });
6937 } else {
6938 window.on_mouse_event({
6939 let editor = self.editor.clone();
6940
6941 move |event: &MouseDownEvent, phase, window, cx| {
6942 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6943 return;
6944 }
6945
6946 let event_position = event.position;
6947
6948 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6949 return;
6950 };
6951
6952 editor.update(cx, |editor, cx| {
6953 if !thumb_bounds.contains(&event_position) {
6954 let click_position =
6955 event_position.relative_to(&minimap_hitbox.origin).y;
6956
6957 let top_position = (click_position
6958 - thumb_bounds.size.along(minimap_axis) / 2.0)
6959 .max(Pixels::ZERO);
6960
6961 let scroll_offset = (layout.minimap_scroll_top
6962 + top_position / layout.minimap_line_height)
6963 .min(layout.max_scroll_top);
6964
6965 let scroll_position = editor
6966 .scroll_position(cx)
6967 .apply_along(minimap_axis, |_| scroll_offset);
6968 editor.set_scroll_position(scroll_position, window, cx);
6969 }
6970
6971 editor.scroll_manager.set_is_dragging_minimap(cx);
6972 cx.stop_propagation();
6973 });
6974 }
6975 });
6976 }
6977 }
6978 }
6979
6980 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6981 for mut block in layout.blocks.drain(..) {
6982 if block.overlaps_gutter {
6983 block.element.paint(window, cx);
6984 } else {
6985 let mut bounds = layout.hitbox.bounds;
6986 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6987 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6988 block.element.paint(window, cx);
6989 })
6990 }
6991 }
6992 }
6993
6994 fn paint_edit_prediction_popover(
6995 &mut self,
6996 layout: &mut EditorLayout,
6997 window: &mut Window,
6998 cx: &mut App,
6999 ) {
7000 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7001 edit_prediction_popover.paint(window, cx);
7002 }
7003 }
7004
7005 fn paint_mouse_context_menu(
7006 &mut self,
7007 layout: &mut EditorLayout,
7008 window: &mut Window,
7009 cx: &mut App,
7010 ) {
7011 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7012 mouse_context_menu.paint(window, cx);
7013 }
7014 }
7015
7016 fn paint_scroll_wheel_listener(
7017 &mut self,
7018 layout: &EditorLayout,
7019 window: &mut Window,
7020 cx: &mut App,
7021 ) {
7022 window.on_mouse_event({
7023 let position_map = layout.position_map.clone();
7024 let editor = self.editor.clone();
7025 let hitbox = layout.hitbox.clone();
7026 let mut delta = ScrollDelta::default();
7027
7028 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7029 // accidentally turn off their scrolling.
7030 let base_scroll_sensitivity =
7031 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7032
7033 // Use a minimum fast_scroll_sensitivity for same reason above
7034 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7035 .fast_scroll_sensitivity
7036 .max(0.01);
7037
7038 move |event: &ScrollWheelEvent, phase, window, cx| {
7039 let scroll_sensitivity = {
7040 if event.modifiers.alt {
7041 fast_scroll_sensitivity
7042 } else {
7043 base_scroll_sensitivity
7044 }
7045 };
7046
7047 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7048 delta = delta.coalesce(event.delta);
7049 editor.update(cx, |editor, cx| {
7050 let position_map: &PositionMap = &position_map;
7051
7052 let line_height = position_map.line_height;
7053 let max_glyph_advance = position_map.em_advance;
7054 let (delta, axis) = match delta {
7055 gpui::ScrollDelta::Pixels(mut pixels) => {
7056 //Trackpad
7057 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7058 (pixels, axis)
7059 }
7060
7061 gpui::ScrollDelta::Lines(lines) => {
7062 //Not trackpad
7063 let pixels =
7064 point(lines.x * max_glyph_advance, lines.y * line_height);
7065 (pixels, None)
7066 }
7067 };
7068
7069 let current_scroll_position = position_map.snapshot.scroll_position();
7070 let x = (current_scroll_position.x * max_glyph_advance
7071 - (delta.x * scroll_sensitivity))
7072 / max_glyph_advance;
7073 let y = (current_scroll_position.y * line_height
7074 - (delta.y * scroll_sensitivity))
7075 / line_height;
7076 let mut scroll_position =
7077 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7078 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7079 if forbid_vertical_scroll {
7080 scroll_position.y = current_scroll_position.y;
7081 }
7082
7083 if scroll_position != current_scroll_position {
7084 editor.scroll(scroll_position, axis, window, cx);
7085 cx.stop_propagation();
7086 } else if y < 0. {
7087 // Due to clamping, we may fail to detect cases of overscroll to the top;
7088 // We want the scroll manager to get an update in such cases and detect the change of direction
7089 // on the next frame.
7090 cx.notify();
7091 }
7092 });
7093 }
7094 }
7095 });
7096 }
7097
7098 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7099 if layout.mode.is_minimap() {
7100 return;
7101 }
7102
7103 self.paint_scroll_wheel_listener(layout, window, cx);
7104
7105 window.on_mouse_event({
7106 let position_map = layout.position_map.clone();
7107 let editor = self.editor.clone();
7108 let diff_hunk_range =
7109 layout
7110 .display_hunks
7111 .iter()
7112 .find_map(|(hunk, hunk_hitbox)| match hunk {
7113 DisplayDiffHunk::Folded { .. } => None,
7114 DisplayDiffHunk::Unfolded {
7115 multi_buffer_range, ..
7116 } => {
7117 if hunk_hitbox
7118 .as_ref()
7119 .map(|hitbox| hitbox.is_hovered(window))
7120 .unwrap_or(false)
7121 {
7122 Some(multi_buffer_range.clone())
7123 } else {
7124 None
7125 }
7126 }
7127 });
7128 let line_numbers = layout.line_numbers.clone();
7129
7130 move |event: &MouseDownEvent, phase, window, cx| {
7131 if phase == DispatchPhase::Bubble {
7132 match event.button {
7133 MouseButton::Left => editor.update(cx, |editor, cx| {
7134 let pending_mouse_down = editor
7135 .pending_mouse_down
7136 .get_or_insert_with(Default::default)
7137 .clone();
7138
7139 *pending_mouse_down.borrow_mut() = Some(event.clone());
7140
7141 Self::mouse_left_down(
7142 editor,
7143 event,
7144 diff_hunk_range.clone(),
7145 &position_map,
7146 line_numbers.as_ref(),
7147 window,
7148 cx,
7149 );
7150 }),
7151 MouseButton::Right => editor.update(cx, |editor, cx| {
7152 Self::mouse_right_down(editor, event, &position_map, window, cx);
7153 }),
7154 MouseButton::Middle => editor.update(cx, |editor, cx| {
7155 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7156 }),
7157 _ => {}
7158 };
7159 }
7160 }
7161 });
7162
7163 window.on_mouse_event({
7164 let editor = self.editor.clone();
7165 let position_map = layout.position_map.clone();
7166
7167 move |event: &MouseUpEvent, phase, window, cx| {
7168 if phase == DispatchPhase::Bubble {
7169 editor.update(cx, |editor, cx| {
7170 Self::mouse_up(editor, event, &position_map, window, cx)
7171 });
7172 }
7173 }
7174 });
7175
7176 window.on_mouse_event({
7177 let editor = self.editor.clone();
7178 let position_map = layout.position_map.clone();
7179 let mut captured_mouse_down = None;
7180
7181 move |event: &MouseUpEvent, phase, window, cx| match phase {
7182 // Clear the pending mouse down during the capture phase,
7183 // so that it happens even if another event handler stops
7184 // propagation.
7185 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7186 let pending_mouse_down = editor
7187 .pending_mouse_down
7188 .get_or_insert_with(Default::default)
7189 .clone();
7190
7191 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7192 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7193 captured_mouse_down = pending_mouse_down.take();
7194 window.refresh();
7195 }
7196 }),
7197 // Fire click handlers during the bubble phase.
7198 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7199 if let Some(mouse_down) = captured_mouse_down.take() {
7200 let event = ClickEvent::Mouse(MouseClickEvent {
7201 down: mouse_down,
7202 up: event.clone(),
7203 });
7204 Self::click(editor, &event, &position_map, window, cx);
7205 }
7206 }),
7207 }
7208 });
7209
7210 window.on_mouse_event({
7211 let position_map = layout.position_map.clone();
7212 let editor = self.editor.clone();
7213
7214 move |event: &MouseMoveEvent, phase, window, cx| {
7215 if phase == DispatchPhase::Bubble {
7216 editor.update(cx, |editor, cx| {
7217 if editor.hover_state.focused(window, cx) {
7218 return;
7219 }
7220 if event.pressed_button == Some(MouseButton::Left)
7221 || event.pressed_button == Some(MouseButton::Middle)
7222 {
7223 Self::mouse_dragged(editor, event, &position_map, window, cx)
7224 }
7225
7226 Self::mouse_moved(editor, event, &position_map, window, cx)
7227 });
7228 }
7229 }
7230 });
7231 }
7232
7233 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7234 let style = &self.style;
7235 let font_size = style.text.font_size.to_pixels(window.rem_size());
7236 let layout = window.text_system().shape_line(
7237 SharedString::from(" ".repeat(column)),
7238 font_size,
7239 &[TextRun {
7240 len: column,
7241 font: style.text.font(),
7242 color: Hsla::default(),
7243 background_color: None,
7244 underline: None,
7245 strikethrough: None,
7246 }],
7247 None,
7248 );
7249
7250 layout.width
7251 }
7252
7253 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7254 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7255 self.column_pixels(digit_count as usize, window)
7256 }
7257
7258 fn shape_line_number(
7259 &self,
7260 text: SharedString,
7261 color: Hsla,
7262 window: &mut Window,
7263 ) -> ShapedLine {
7264 let run = TextRun {
7265 len: text.len(),
7266 font: self.style.text.font(),
7267 color,
7268 background_color: None,
7269 underline: None,
7270 strikethrough: None,
7271 };
7272 window.text_system().shape_line(
7273 text,
7274 self.style.text.font_size.to_pixels(window.rem_size()),
7275 &[run],
7276 None,
7277 )
7278 }
7279
7280 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7281 let unstaged = status.has_secondary_hunk();
7282 let unstaged_hollow = ProjectSettings::get_global(cx)
7283 .git
7284 .hunk_style
7285 .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
7286
7287 unstaged == unstaged_hollow
7288 }
7289}
7290
7291fn header_jump_data(
7292 snapshot: &EditorSnapshot,
7293 block_row_start: DisplayRow,
7294 height: u32,
7295 for_excerpt: &ExcerptInfo,
7296) -> JumpData {
7297 let range = &for_excerpt.range;
7298 let buffer = &for_excerpt.buffer;
7299 let jump_anchor = range.primary.start;
7300
7301 let excerpt_start = range.context.start;
7302 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7303 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7304 0
7305 } else {
7306 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7307 jump_position.row.saturating_sub(excerpt_start_point.row)
7308 };
7309
7310 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7311 .saturating_sub(
7312 snapshot
7313 .scroll_anchor
7314 .scroll_position(&snapshot.display_snapshot)
7315 .y as u32,
7316 );
7317
7318 JumpData::MultiBufferPoint {
7319 excerpt_id: for_excerpt.id,
7320 anchor: jump_anchor,
7321 position: jump_position,
7322 line_offset_from_top,
7323 }
7324}
7325
7326pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7327
7328impl AcceptEditPredictionBinding {
7329 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7330 if let Some(binding) = self.0.as_ref() {
7331 match &binding.keystrokes() {
7332 [keystroke, ..] => Some(keystroke),
7333 _ => None,
7334 }
7335 } else {
7336 None
7337 }
7338 }
7339}
7340
7341fn prepaint_gutter_button(
7342 button: IconButton,
7343 row: DisplayRow,
7344 line_height: Pixels,
7345 gutter_dimensions: &GutterDimensions,
7346 scroll_pixel_position: gpui::Point<Pixels>,
7347 gutter_hitbox: &Hitbox,
7348 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7349 window: &mut Window,
7350 cx: &mut App,
7351) -> AnyElement {
7352 let mut button = button.into_any_element();
7353
7354 let available_space = size(
7355 AvailableSpace::MinContent,
7356 AvailableSpace::Definite(line_height),
7357 );
7358 let indicator_size = button.layout_as_root(available_space, window, cx);
7359
7360 let blame_width = gutter_dimensions.git_blame_entries_width;
7361 let gutter_width = display_hunks
7362 .binary_search_by(|(hunk, _)| match hunk {
7363 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7364 DisplayDiffHunk::Unfolded {
7365 display_row_range, ..
7366 } => {
7367 if display_row_range.end <= row {
7368 Ordering::Less
7369 } else if display_row_range.start > row {
7370 Ordering::Greater
7371 } else {
7372 Ordering::Equal
7373 }
7374 }
7375 })
7376 .ok()
7377 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7378 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7379
7380 let mut x = left_offset;
7381 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7382 - indicator_size.width
7383 - left_offset;
7384 x += available_width / 2.;
7385
7386 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7387 y += (line_height - indicator_size.height) / 2.;
7388
7389 button.prepaint_as_root(
7390 gutter_hitbox.origin + point(x, y),
7391 available_space,
7392 window,
7393 cx,
7394 );
7395 button
7396}
7397
7398fn render_inline_blame_entry(
7399 blame_entry: BlameEntry,
7400 style: &EditorStyle,
7401 cx: &mut App,
7402) -> Option<AnyElement> {
7403 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7404 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7405}
7406
7407fn render_blame_entry_popover(
7408 blame_entry: BlameEntry,
7409 scroll_handle: ScrollHandle,
7410 commit_message: Option<ParsedCommitMessage>,
7411 markdown: Entity<Markdown>,
7412 workspace: WeakEntity<Workspace>,
7413 blame: &Entity<GitBlame>,
7414 buffer: BufferId,
7415 window: &mut Window,
7416 cx: &mut App,
7417) -> Option<AnyElement> {
7418 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7419 let blame = blame.read(cx);
7420 let repository = blame.repository(cx, buffer)?;
7421 renderer.render_blame_entry_popover(
7422 blame_entry,
7423 scroll_handle,
7424 commit_message,
7425 markdown,
7426 repository,
7427 workspace,
7428 window,
7429 cx,
7430 )
7431}
7432
7433fn render_blame_entry(
7434 ix: usize,
7435 blame: &Entity<GitBlame>,
7436 blame_entry: BlameEntry,
7437 style: &EditorStyle,
7438 last_used_color: &mut Option<(PlayerColor, Oid)>,
7439 editor: Entity<Editor>,
7440 workspace: Entity<Workspace>,
7441 buffer: BufferId,
7442 renderer: Arc<dyn BlameRenderer>,
7443 cx: &mut App,
7444) -> Option<AnyElement> {
7445 let mut sha_color = cx
7446 .theme()
7447 .players()
7448 .color_for_participant(blame_entry.sha.into());
7449
7450 // If the last color we used is the same as the one we get for this line, but
7451 // the commit SHAs are different, then we try again to get a different color.
7452 match *last_used_color {
7453 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7454 let index: u32 = blame_entry.sha.into();
7455 sha_color = cx.theme().players().color_for_participant(index + 1);
7456 }
7457 _ => {}
7458 };
7459 last_used_color.replace((sha_color, blame_entry.sha));
7460
7461 let blame = blame.read(cx);
7462 let details = blame.details_for_entry(buffer, &blame_entry);
7463 let repository = blame.repository(cx, buffer)?;
7464 renderer.render_blame_entry(
7465 &style.text,
7466 blame_entry,
7467 details,
7468 repository,
7469 workspace.downgrade(),
7470 editor,
7471 ix,
7472 sha_color.cursor,
7473 cx,
7474 )
7475}
7476
7477#[derive(Debug)]
7478pub(crate) struct LineWithInvisibles {
7479 fragments: SmallVec<[LineFragment; 1]>,
7480 invisibles: Vec<Invisible>,
7481 len: usize,
7482 pub(crate) width: Pixels,
7483 font_size: Pixels,
7484}
7485
7486enum LineFragment {
7487 Text(ShapedLine),
7488 Element {
7489 id: ChunkRendererId,
7490 element: Option<AnyElement>,
7491 size: Size<Pixels>,
7492 len: usize,
7493 },
7494}
7495
7496impl fmt::Debug for LineFragment {
7497 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7498 match self {
7499 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7500 LineFragment::Element { size, len, .. } => f
7501 .debug_struct("Element")
7502 .field("size", size)
7503 .field("len", len)
7504 .finish(),
7505 }
7506 }
7507}
7508
7509impl LineWithInvisibles {
7510 fn from_chunks<'a>(
7511 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7512 editor_style: &EditorStyle,
7513 max_line_len: usize,
7514 max_line_count: usize,
7515 editor_mode: &EditorMode,
7516 text_width: Pixels,
7517 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7518 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7519 window: &mut Window,
7520 cx: &mut App,
7521 ) -> Vec<Self> {
7522 let text_style = &editor_style.text;
7523 let mut layouts = Vec::with_capacity(max_line_count);
7524 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7525 let mut line = String::new();
7526 let mut invisibles = Vec::new();
7527 let mut width = Pixels::ZERO;
7528 let mut len = 0;
7529 let mut styles = Vec::new();
7530 let mut non_whitespace_added = false;
7531 let mut row = 0;
7532 let mut line_exceeded_max_len = false;
7533 let font_size = text_style.font_size.to_pixels(window.rem_size());
7534 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7535
7536 let ellipsis = SharedString::from("β―");
7537
7538 for highlighted_chunk in chunks.chain([HighlightedChunk {
7539 text: "\n",
7540 style: None,
7541 is_tab: false,
7542 is_inlay: false,
7543 replacement: None,
7544 }]) {
7545 if let Some(replacement) = highlighted_chunk.replacement {
7546 if !line.is_empty() {
7547 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7548 let text_runs: &[TextRun] = if segments.is_empty() {
7549 &styles
7550 } else {
7551 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7552 };
7553 let shaped_line = window.text_system().shape_line(
7554 line.clone().into(),
7555 font_size,
7556 text_runs,
7557 None,
7558 );
7559 width += shaped_line.width;
7560 len += shaped_line.len;
7561 fragments.push(LineFragment::Text(shaped_line));
7562 line.clear();
7563 styles.clear();
7564 }
7565
7566 match replacement {
7567 ChunkReplacement::Renderer(renderer) => {
7568 let available_width = if renderer.constrain_width {
7569 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7570 ellipsis.clone()
7571 } else {
7572 SharedString::from(Arc::from(highlighted_chunk.text))
7573 };
7574 let shaped_line = window.text_system().shape_line(
7575 chunk,
7576 font_size,
7577 &[text_style.to_run(highlighted_chunk.text.len())],
7578 None,
7579 );
7580 AvailableSpace::Definite(shaped_line.width)
7581 } else {
7582 AvailableSpace::MinContent
7583 };
7584
7585 let mut element = (renderer.render)(&mut ChunkRendererContext {
7586 context: cx,
7587 window,
7588 max_width: text_width,
7589 });
7590 let line_height = text_style.line_height_in_pixels(window.rem_size());
7591 let size = element.layout_as_root(
7592 size(available_width, AvailableSpace::Definite(line_height)),
7593 window,
7594 cx,
7595 );
7596
7597 width += size.width;
7598 len += highlighted_chunk.text.len();
7599 fragments.push(LineFragment::Element {
7600 id: renderer.id,
7601 element: Some(element),
7602 size,
7603 len: highlighted_chunk.text.len(),
7604 });
7605 }
7606 ChunkReplacement::Str(x) => {
7607 let text_style = if let Some(style) = highlighted_chunk.style {
7608 Cow::Owned(text_style.clone().highlight(style))
7609 } else {
7610 Cow::Borrowed(text_style)
7611 };
7612
7613 let run = TextRun {
7614 len: x.len(),
7615 font: text_style.font(),
7616 color: text_style.color,
7617 background_color: text_style.background_color,
7618 underline: text_style.underline,
7619 strikethrough: text_style.strikethrough,
7620 };
7621 let line_layout = window
7622 .text_system()
7623 .shape_line(x, font_size, &[run], None)
7624 .with_len(highlighted_chunk.text.len());
7625
7626 width += line_layout.width;
7627 len += highlighted_chunk.text.len();
7628 fragments.push(LineFragment::Text(line_layout))
7629 }
7630 }
7631 } else {
7632 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7633 if ix > 0 {
7634 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7635 let text_runs = if segments.is_empty() {
7636 &styles
7637 } else {
7638 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7639 };
7640 let shaped_line = window.text_system().shape_line(
7641 line.clone().into(),
7642 font_size,
7643 text_runs,
7644 None,
7645 );
7646 width += shaped_line.width;
7647 len += shaped_line.len;
7648 fragments.push(LineFragment::Text(shaped_line));
7649 layouts.push(Self {
7650 width: mem::take(&mut width),
7651 len: mem::take(&mut len),
7652 fragments: mem::take(&mut fragments),
7653 invisibles: std::mem::take(&mut invisibles),
7654 font_size,
7655 });
7656
7657 line.clear();
7658 styles.clear();
7659 row += 1;
7660 line_exceeded_max_len = false;
7661 non_whitespace_added = false;
7662 if row == max_line_count {
7663 return layouts;
7664 }
7665 }
7666
7667 if !line_chunk.is_empty() && !line_exceeded_max_len {
7668 let text_style = if let Some(style) = highlighted_chunk.style {
7669 Cow::Owned(text_style.clone().highlight(style))
7670 } else {
7671 Cow::Borrowed(text_style)
7672 };
7673
7674 if line.len() + line_chunk.len() > max_line_len {
7675 let mut chunk_len = max_line_len - line.len();
7676 while !line_chunk.is_char_boundary(chunk_len) {
7677 chunk_len -= 1;
7678 }
7679 line_chunk = &line_chunk[..chunk_len];
7680 line_exceeded_max_len = true;
7681 }
7682
7683 styles.push(TextRun {
7684 len: line_chunk.len(),
7685 font: text_style.font(),
7686 color: text_style.color,
7687 background_color: text_style.background_color,
7688 underline: text_style.underline,
7689 strikethrough: text_style.strikethrough,
7690 });
7691
7692 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7693 // Line wrap pads its contents with fake whitespaces,
7694 // avoid printing them
7695 let is_soft_wrapped = is_row_soft_wrapped(row);
7696 if highlighted_chunk.is_tab {
7697 if non_whitespace_added || !is_soft_wrapped {
7698 invisibles.push(Invisible::Tab {
7699 line_start_offset: line.len(),
7700 line_end_offset: line.len() + line_chunk.len(),
7701 });
7702 }
7703 } else {
7704 invisibles.extend(line_chunk.char_indices().filter_map(
7705 |(index, c)| {
7706 let is_whitespace = c.is_whitespace();
7707 non_whitespace_added |= !is_whitespace;
7708 if is_whitespace
7709 && (non_whitespace_added || !is_soft_wrapped)
7710 {
7711 Some(Invisible::Whitespace {
7712 line_offset: line.len() + index,
7713 })
7714 } else {
7715 None
7716 }
7717 },
7718 ))
7719 }
7720 }
7721
7722 line.push_str(line_chunk);
7723 }
7724 }
7725 }
7726 }
7727
7728 layouts
7729 }
7730
7731 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7732 /// Returns new text runs with adjusted contrast as per background ranges.
7733 fn split_runs_by_bg_segments(
7734 text_runs: &[TextRun],
7735 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7736 min_contrast: f32,
7737 ) -> Vec<TextRun> {
7738 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7739 let mut line_col = 0usize;
7740 let mut segment_ix = 0usize;
7741
7742 for text_run in text_runs.iter() {
7743 let run_start_col = line_col;
7744 let run_end_col = run_start_col + text_run.len;
7745 while segment_ix < bg_segments.len()
7746 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7747 {
7748 segment_ix += 1;
7749 }
7750 let mut cursor_col = run_start_col;
7751 let mut local_segment_ix = segment_ix;
7752 while local_segment_ix < bg_segments.len() {
7753 let (range, segment_color) = &bg_segments[local_segment_ix];
7754 let segment_start_col = range.start.column() as usize;
7755 let segment_end_col = range.end.column() as usize;
7756 if segment_start_col >= run_end_col {
7757 break;
7758 }
7759 if segment_start_col > cursor_col {
7760 let span_len = segment_start_col - cursor_col;
7761 output_runs.push(TextRun {
7762 len: span_len,
7763 font: text_run.font.clone(),
7764 color: text_run.color,
7765 background_color: text_run.background_color,
7766 underline: text_run.underline,
7767 strikethrough: text_run.strikethrough,
7768 });
7769 cursor_col = segment_start_col;
7770 }
7771 let segment_slice_end_col = segment_end_col.min(run_end_col);
7772 if segment_slice_end_col > cursor_col {
7773 let new_text_color =
7774 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7775 output_runs.push(TextRun {
7776 len: segment_slice_end_col - cursor_col,
7777 font: text_run.font.clone(),
7778 color: new_text_color,
7779 background_color: text_run.background_color,
7780 underline: text_run.underline,
7781 strikethrough: text_run.strikethrough,
7782 });
7783 cursor_col = segment_slice_end_col;
7784 }
7785 if segment_end_col >= run_end_col {
7786 break;
7787 }
7788 local_segment_ix += 1;
7789 }
7790 if cursor_col < run_end_col {
7791 output_runs.push(TextRun {
7792 len: run_end_col - cursor_col,
7793 font: text_run.font.clone(),
7794 color: text_run.color,
7795 background_color: text_run.background_color,
7796 underline: text_run.underline,
7797 strikethrough: text_run.strikethrough,
7798 });
7799 }
7800 line_col = run_end_col;
7801 segment_ix = local_segment_ix;
7802 }
7803 output_runs
7804 }
7805
7806 fn prepaint(
7807 &mut self,
7808 line_height: Pixels,
7809 scroll_pixel_position: gpui::Point<Pixels>,
7810 row: DisplayRow,
7811 content_origin: gpui::Point<Pixels>,
7812 line_elements: &mut SmallVec<[AnyElement; 1]>,
7813 window: &mut Window,
7814 cx: &mut App,
7815 ) {
7816 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7817 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7818 for fragment in &mut self.fragments {
7819 match fragment {
7820 LineFragment::Text(line) => {
7821 fragment_origin.x += line.width;
7822 }
7823 LineFragment::Element { element, size, .. } => {
7824 let mut element = element
7825 .take()
7826 .expect("you can't prepaint LineWithInvisibles twice");
7827
7828 // Center the element vertically within the line.
7829 let mut element_origin = fragment_origin;
7830 element_origin.y += (line_height - size.height) / 2.;
7831 element.prepaint_at(element_origin, window, cx);
7832 line_elements.push(element);
7833
7834 fragment_origin.x += size.width;
7835 }
7836 }
7837 }
7838 }
7839
7840 fn draw(
7841 &self,
7842 layout: &EditorLayout,
7843 row: DisplayRow,
7844 content_origin: gpui::Point<Pixels>,
7845 whitespace_setting: ShowWhitespaceSetting,
7846 selection_ranges: &[Range<DisplayPoint>],
7847 window: &mut Window,
7848 cx: &mut App,
7849 ) {
7850 let line_height = layout.position_map.line_height;
7851 let line_y = line_height
7852 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7853
7854 let mut fragment_origin =
7855 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7856
7857 for fragment in &self.fragments {
7858 match fragment {
7859 LineFragment::Text(line) => {
7860 line.paint(fragment_origin, line_height, window, cx)
7861 .log_err();
7862 fragment_origin.x += line.width;
7863 }
7864 LineFragment::Element { size, .. } => {
7865 fragment_origin.x += size.width;
7866 }
7867 }
7868 }
7869
7870 self.draw_invisibles(
7871 selection_ranges,
7872 layout,
7873 content_origin,
7874 line_y,
7875 row,
7876 line_height,
7877 whitespace_setting,
7878 window,
7879 cx,
7880 );
7881 }
7882
7883 fn draw_background(
7884 &self,
7885 layout: &EditorLayout,
7886 row: DisplayRow,
7887 content_origin: gpui::Point<Pixels>,
7888 window: &mut Window,
7889 cx: &mut App,
7890 ) {
7891 let line_height = layout.position_map.line_height;
7892 let line_y = line_height
7893 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7894
7895 let mut fragment_origin =
7896 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7897
7898 for fragment in &self.fragments {
7899 match fragment {
7900 LineFragment::Text(line) => {
7901 line.paint_background(fragment_origin, line_height, window, cx)
7902 .log_err();
7903 fragment_origin.x += line.width;
7904 }
7905 LineFragment::Element { size, .. } => {
7906 fragment_origin.x += size.width;
7907 }
7908 }
7909 }
7910 }
7911
7912 fn draw_invisibles(
7913 &self,
7914 selection_ranges: &[Range<DisplayPoint>],
7915 layout: &EditorLayout,
7916 content_origin: gpui::Point<Pixels>,
7917 line_y: Pixels,
7918 row: DisplayRow,
7919 line_height: Pixels,
7920 whitespace_setting: ShowWhitespaceSetting,
7921 window: &mut Window,
7922 cx: &mut App,
7923 ) {
7924 let extract_whitespace_info = |invisible: &Invisible| {
7925 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7926 Invisible::Tab {
7927 line_start_offset,
7928 line_end_offset,
7929 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7930 Invisible::Whitespace { line_offset } => {
7931 (*line_offset, line_offset + 1, &layout.space_invisible)
7932 }
7933 };
7934
7935 let x_offset = self.x_for_index(token_offset);
7936 let invisible_offset =
7937 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7938 let origin = content_origin
7939 + gpui::point(
7940 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7941 line_y,
7942 );
7943
7944 (
7945 [token_offset, token_end_offset],
7946 Box::new(move |window: &mut Window, cx: &mut App| {
7947 invisible_symbol
7948 .paint(origin, line_height, window, cx)
7949 .log_err();
7950 }),
7951 )
7952 };
7953
7954 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7955 match whitespace_setting {
7956 ShowWhitespaceSetting::None => (),
7957 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7958 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7959 let invisible_point = DisplayPoint::new(row, start as u32);
7960 if !selection_ranges
7961 .iter()
7962 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7963 {
7964 return;
7965 }
7966
7967 paint(window, cx);
7968 }),
7969
7970 ShowWhitespaceSetting::Trailing => {
7971 let mut previous_start = self.len;
7972 for ([start, end], paint) in invisible_iter.rev() {
7973 if previous_start != end {
7974 break;
7975 }
7976 previous_start = start;
7977 paint(window, cx);
7978 }
7979 }
7980
7981 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7982 // - It is a tab
7983 // - It is adjacent to an edge (start or end)
7984 // - It is adjacent to a whitespace (left or right)
7985 ShowWhitespaceSetting::Boundary => {
7986 // 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
7987 // the above cases.
7988 // Note: We zip in the original `invisibles` to check for tab equality
7989 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7990 for (([start, end], paint), invisible) in
7991 invisible_iter.zip_eq(self.invisibles.iter())
7992 {
7993 let should_render = match (&last_seen, invisible) {
7994 (_, Invisible::Tab { .. }) => true,
7995 (Some((_, last_end, _)), _) => *last_end == start,
7996 _ => false,
7997 };
7998
7999 if should_render || start == 0 || end == self.len {
8000 paint(window, cx);
8001
8002 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8003 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8004 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8005 // Note that we need to make sure that the last one is actually adjacent
8006 if !should_render_last && last_end == start {
8007 paint_last(window, cx);
8008 }
8009 }
8010 }
8011
8012 // Manually render anything within a selection
8013 let invisible_point = DisplayPoint::new(row, start as u32);
8014 if selection_ranges.iter().any(|region| {
8015 region.start <= invisible_point && invisible_point < region.end
8016 }) {
8017 paint(window, cx);
8018 }
8019
8020 last_seen = Some((should_render, end, paint));
8021 }
8022 }
8023 }
8024 }
8025
8026 pub fn x_for_index(&self, index: usize) -> Pixels {
8027 let mut fragment_start_x = Pixels::ZERO;
8028 let mut fragment_start_index = 0;
8029
8030 for fragment in &self.fragments {
8031 match fragment {
8032 LineFragment::Text(shaped_line) => {
8033 let fragment_end_index = fragment_start_index + shaped_line.len;
8034 if index < fragment_end_index {
8035 return fragment_start_x
8036 + shaped_line.x_for_index(index - fragment_start_index);
8037 }
8038 fragment_start_x += shaped_line.width;
8039 fragment_start_index = fragment_end_index;
8040 }
8041 LineFragment::Element { len, size, .. } => {
8042 let fragment_end_index = fragment_start_index + len;
8043 if index < fragment_end_index {
8044 return fragment_start_x;
8045 }
8046 fragment_start_x += size.width;
8047 fragment_start_index = fragment_end_index;
8048 }
8049 }
8050 }
8051
8052 fragment_start_x
8053 }
8054
8055 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8056 let mut fragment_start_x = Pixels::ZERO;
8057 let mut fragment_start_index = 0;
8058
8059 for fragment in &self.fragments {
8060 match fragment {
8061 LineFragment::Text(shaped_line) => {
8062 let fragment_end_x = fragment_start_x + shaped_line.width;
8063 if x < fragment_end_x {
8064 return Some(
8065 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8066 );
8067 }
8068 fragment_start_x = fragment_end_x;
8069 fragment_start_index += shaped_line.len;
8070 }
8071 LineFragment::Element { len, size, .. } => {
8072 let fragment_end_x = fragment_start_x + size.width;
8073 if x < fragment_end_x {
8074 return Some(fragment_start_index);
8075 }
8076 fragment_start_index += len;
8077 fragment_start_x = fragment_end_x;
8078 }
8079 }
8080 }
8081
8082 None
8083 }
8084
8085 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8086 let mut fragment_start_index = 0;
8087
8088 for fragment in &self.fragments {
8089 match fragment {
8090 LineFragment::Text(shaped_line) => {
8091 let fragment_end_index = fragment_start_index + shaped_line.len;
8092 if index < fragment_end_index {
8093 return shaped_line.font_id_for_index(index - fragment_start_index);
8094 }
8095 fragment_start_index = fragment_end_index;
8096 }
8097 LineFragment::Element { len, .. } => {
8098 let fragment_end_index = fragment_start_index + len;
8099 if index < fragment_end_index {
8100 return None;
8101 }
8102 fragment_start_index = fragment_end_index;
8103 }
8104 }
8105 }
8106
8107 None
8108 }
8109}
8110
8111#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8112enum Invisible {
8113 /// A tab character
8114 ///
8115 /// A tab character is internally represented by spaces (configured by the user's tab width)
8116 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8117 /// adjacency checks.
8118 Tab {
8119 line_start_offset: usize,
8120 line_end_offset: usize,
8121 },
8122 Whitespace {
8123 line_offset: usize,
8124 },
8125}
8126
8127impl EditorElement {
8128 /// Returns the rem size to use when rendering the [`EditorElement`].
8129 ///
8130 /// This allows UI elements to scale based on the `buffer_font_size`.
8131 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8132 match self.editor.read(cx).mode {
8133 EditorMode::Full {
8134 scale_ui_elements_with_buffer_font_size: true,
8135 ..
8136 }
8137 | EditorMode::Minimap { .. } => {
8138 let buffer_font_size = self.style.text.font_size;
8139 match buffer_font_size {
8140 AbsoluteLength::Pixels(pixels) => {
8141 let rem_size_scale = {
8142 // Our default UI font size is 14px on a 16px base scale.
8143 // This means the default UI font size is 0.875rems.
8144 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8145
8146 // We then determine the delta between a single rem and the default font
8147 // size scale.
8148 let default_font_size_delta = 1. - default_font_size_scale;
8149
8150 // Finally, we add this delta to 1rem to get the scale factor that
8151 // should be used to scale up the UI.
8152 1. + default_font_size_delta
8153 };
8154
8155 Some(pixels * rem_size_scale)
8156 }
8157 AbsoluteLength::Rems(rems) => {
8158 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8159 }
8160 }
8161 }
8162 // We currently use single-line and auto-height editors in UI contexts,
8163 // so we don't want to scale everything with the buffer font size, as it
8164 // ends up looking off.
8165 _ => None,
8166 }
8167 }
8168
8169 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8170 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8171 parent.upgrade()
8172 } else {
8173 Some(self.editor.clone())
8174 }
8175 }
8176}
8177
8178impl Element for EditorElement {
8179 type RequestLayoutState = ();
8180 type PrepaintState = EditorLayout;
8181
8182 fn id(&self) -> Option<ElementId> {
8183 None
8184 }
8185
8186 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8187 None
8188 }
8189
8190 fn request_layout(
8191 &mut self,
8192 _: Option<&GlobalElementId>,
8193 _inspector_id: Option<&gpui::InspectorElementId>,
8194 window: &mut Window,
8195 cx: &mut App,
8196 ) -> (gpui::LayoutId, ()) {
8197 let rem_size = self.rem_size(cx);
8198 window.with_rem_size(rem_size, |window| {
8199 self.editor.update(cx, |editor, cx| {
8200 editor.set_style(self.style.clone(), window, cx);
8201
8202 let layout_id = match editor.mode {
8203 EditorMode::SingleLine => {
8204 let rem_size = window.rem_size();
8205 let height = self.style.text.line_height_in_pixels(rem_size);
8206 let mut style = Style::default();
8207 style.size.height = height.into();
8208 style.size.width = relative(1.).into();
8209 window.request_layout(style, None, cx)
8210 }
8211 EditorMode::AutoHeight {
8212 min_lines,
8213 max_lines,
8214 } => {
8215 let editor_handle = cx.entity();
8216 let max_line_number_width =
8217 self.max_line_number_width(&editor.snapshot(window, cx), window);
8218 window.request_measured_layout(
8219 Style::default(),
8220 move |known_dimensions, available_space, window, cx| {
8221 editor_handle
8222 .update(cx, |editor, cx| {
8223 compute_auto_height_layout(
8224 editor,
8225 min_lines,
8226 max_lines,
8227 max_line_number_width,
8228 known_dimensions,
8229 available_space.width,
8230 window,
8231 cx,
8232 )
8233 })
8234 .unwrap_or_default()
8235 },
8236 )
8237 }
8238 EditorMode::Minimap { .. } => {
8239 let mut style = Style::default();
8240 style.size.width = relative(1.).into();
8241 style.size.height = relative(1.).into();
8242 window.request_layout(style, None, cx)
8243 }
8244 EditorMode::Full {
8245 sized_by_content, ..
8246 } => {
8247 let mut style = Style::default();
8248 style.size.width = relative(1.).into();
8249 if sized_by_content {
8250 let snapshot = editor.snapshot(window, cx);
8251 let line_height =
8252 self.style.text.line_height_in_pixels(window.rem_size());
8253 let scroll_height =
8254 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8255 style.size.height = scroll_height.into();
8256 } else {
8257 style.size.height = relative(1.).into();
8258 }
8259 window.request_layout(style, None, cx)
8260 }
8261 };
8262
8263 (layout_id, ())
8264 })
8265 })
8266 }
8267
8268 fn prepaint(
8269 &mut self,
8270 _: Option<&GlobalElementId>,
8271 _inspector_id: Option<&gpui::InspectorElementId>,
8272 bounds: Bounds<Pixels>,
8273 _: &mut Self::RequestLayoutState,
8274 window: &mut Window,
8275 cx: &mut App,
8276 ) -> Self::PrepaintState {
8277 let text_style = TextStyleRefinement {
8278 font_size: Some(self.style.text.font_size),
8279 line_height: Some(self.style.text.line_height),
8280 ..Default::default()
8281 };
8282
8283 let is_minimap = self.editor.read(cx).mode.is_minimap();
8284
8285 if !is_minimap {
8286 let focus_handle = self.editor.focus_handle(cx);
8287 window.set_view_id(self.editor.entity_id());
8288 window.set_focus_handle(&focus_handle, cx);
8289 }
8290
8291 let rem_size = self.rem_size(cx);
8292 window.with_rem_size(rem_size, |window| {
8293 window.with_text_style(Some(text_style), |window| {
8294 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8295 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8296 (editor.snapshot(window, cx), editor.read_only(cx))
8297 });
8298 let style = self.style.clone();
8299
8300 let rem_size = window.rem_size();
8301 let font_id = window.text_system().resolve_font(&style.text.font());
8302 let font_size = style.text.font_size.to_pixels(rem_size);
8303 let line_height = style.text.line_height_in_pixels(rem_size);
8304 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8305 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8306 let glyph_grid_cell = size(em_advance, line_height);
8307
8308 let gutter_dimensions = snapshot
8309 .gutter_dimensions(
8310 font_id,
8311 font_size,
8312 self.max_line_number_width(&snapshot, window),
8313 cx,
8314 )
8315 .or_else(|| {
8316 self.editor.read(cx).offset_content.then(|| {
8317 GutterDimensions::default_with_margin(font_id, font_size, cx)
8318 })
8319 })
8320 .unwrap_or_default();
8321 let text_width = bounds.size.width - gutter_dimensions.width;
8322
8323 let settings = EditorSettings::get_global(cx);
8324 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8325 let vertical_scrollbar_width = (scrollbars_shown
8326 && settings.scrollbar.axes.vertical
8327 && self.editor.read(cx).show_scrollbars.vertical)
8328 .then_some(style.scrollbar_width)
8329 .unwrap_or_default();
8330 let minimap_width = self
8331 .get_minimap_width(
8332 &settings.minimap,
8333 scrollbars_shown,
8334 text_width,
8335 em_width,
8336 font_size,
8337 rem_size,
8338 cx,
8339 )
8340 .unwrap_or_default();
8341
8342 let right_margin = minimap_width + vertical_scrollbar_width;
8343
8344 let editor_width =
8345 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8346 let editor_margins = EditorMargins {
8347 gutter: gutter_dimensions,
8348 right: right_margin,
8349 };
8350
8351 snapshot = self.editor.update(cx, |editor, cx| {
8352 editor.last_bounds = Some(bounds);
8353 editor.gutter_dimensions = gutter_dimensions;
8354 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
8355 editor.set_visible_column_count(editor_width / em_advance);
8356
8357 if matches!(
8358 editor.mode,
8359 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8360 ) {
8361 snapshot
8362 } else {
8363 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8364 let wrap_width = match editor.soft_wrap_mode(cx) {
8365 SoftWrap::GitDiff => None,
8366 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8367 SoftWrap::EditorWidth => Some(editor_width),
8368 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8369 SoftWrap::Bounded(column) => {
8370 Some(editor_width.min(wrap_width_for(column)))
8371 }
8372 };
8373
8374 if editor.set_wrap_width(wrap_width, cx) {
8375 editor.snapshot(window, cx)
8376 } else {
8377 snapshot
8378 }
8379 }
8380 });
8381
8382 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8383 let gutter_hitbox = window.insert_hitbox(
8384 gutter_bounds(bounds, gutter_dimensions),
8385 HitboxBehavior::Normal,
8386 );
8387 let text_hitbox = window.insert_hitbox(
8388 Bounds {
8389 origin: gutter_hitbox.top_right(),
8390 size: size(text_width, bounds.size.height),
8391 },
8392 HitboxBehavior::Normal,
8393 );
8394
8395 // Offset the content_bounds from the text_bounds by the gutter margin (which
8396 // is roughly half a character wide) to make hit testing work more like how we want.
8397 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8398 let content_origin = text_hitbox.origin + content_offset;
8399
8400 let height_in_lines = bounds.size.height / line_height;
8401 let max_row = snapshot.max_point().row().as_f32();
8402
8403 // The max scroll position for the top of the window
8404 let max_scroll_top = if matches!(
8405 snapshot.mode,
8406 EditorMode::SingleLine
8407 | EditorMode::AutoHeight { .. }
8408 | EditorMode::Full {
8409 sized_by_content: true,
8410 ..
8411 }
8412 ) {
8413 (max_row - height_in_lines + 1.).max(0.)
8414 } else {
8415 let settings = EditorSettings::get_global(cx);
8416 match settings.scroll_beyond_last_line {
8417 ScrollBeyondLastLine::OnePage => max_row,
8418 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8419 ScrollBeyondLastLine::VerticalScrollMargin => {
8420 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8421 .max(0.)
8422 }
8423 }
8424 };
8425
8426 let (
8427 autoscroll_request,
8428 autoscroll_containing_element,
8429 needs_horizontal_autoscroll,
8430 ) = self.editor.update(cx, |editor, cx| {
8431 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8432
8433 let autoscroll_containing_element =
8434 autoscroll_request.is_some() || editor.has_pending_selection();
8435
8436 let (needs_horizontal_autoscroll, was_scrolled) = editor
8437 .autoscroll_vertically(
8438 bounds,
8439 line_height,
8440 max_scroll_top,
8441 autoscroll_request,
8442 window,
8443 cx,
8444 );
8445 if was_scrolled.0 {
8446 snapshot = editor.snapshot(window, cx);
8447 }
8448 (
8449 autoscroll_request,
8450 autoscroll_containing_element,
8451 needs_horizontal_autoscroll,
8452 )
8453 });
8454
8455 let mut scroll_position = snapshot.scroll_position();
8456 // The scroll position is a fractional point, the whole number of which represents
8457 // the top of the window in terms of display rows.
8458 let start_row = DisplayRow(scroll_position.y as u32);
8459 let max_row = snapshot.max_point().row();
8460 let end_row = cmp::min(
8461 (scroll_position.y + height_in_lines).ceil() as u32,
8462 max_row.next_row().0,
8463 );
8464 let end_row = DisplayRow(end_row);
8465
8466 let row_infos = snapshot
8467 .row_infos(start_row)
8468 .take((start_row..end_row).len())
8469 .collect::<Vec<RowInfo>>();
8470 let is_row_soft_wrapped = |row: usize| {
8471 row_infos
8472 .get(row)
8473 .is_none_or(|info| info.buffer_row.is_none())
8474 };
8475
8476 let start_anchor = if start_row == Default::default() {
8477 Anchor::min()
8478 } else {
8479 snapshot.buffer_snapshot.anchor_before(
8480 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8481 )
8482 };
8483 let end_anchor = if end_row > max_row {
8484 Anchor::max()
8485 } else {
8486 snapshot.buffer_snapshot.anchor_before(
8487 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8488 )
8489 };
8490
8491 let mut highlighted_rows = self
8492 .editor
8493 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8494
8495 let is_light = cx.theme().appearance().is_light();
8496
8497 for (ix, row_info) in row_infos.iter().enumerate() {
8498 let Some(diff_status) = row_info.diff_status else {
8499 continue;
8500 };
8501
8502 let background_color = match diff_status.kind {
8503 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8504 DiffHunkStatusKind::Deleted => {
8505 cx.theme().colors().version_control_deleted
8506 }
8507 DiffHunkStatusKind::Modified => {
8508 debug_panic!("modified diff status for row info");
8509 continue;
8510 }
8511 };
8512
8513 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8514
8515 let hollow_highlight = LineHighlight {
8516 background: (background_color.opacity(if is_light {
8517 0.08
8518 } else {
8519 0.06
8520 }))
8521 .into(),
8522 border: Some(if is_light {
8523 background_color.opacity(0.48)
8524 } else {
8525 background_color.opacity(0.36)
8526 }),
8527 include_gutter: true,
8528 type_id: None,
8529 };
8530
8531 let filled_highlight = LineHighlight {
8532 background: solid_background(background_color.opacity(hunk_opacity)),
8533 border: None,
8534 include_gutter: true,
8535 type_id: None,
8536 };
8537
8538 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8539 hollow_highlight
8540 } else {
8541 filled_highlight
8542 };
8543
8544 highlighted_rows
8545 .entry(start_row + DisplayRow(ix as u32))
8546 .or_insert(background);
8547 }
8548
8549 let highlighted_ranges = self
8550 .editor_with_selections(cx)
8551 .map(|editor| {
8552 editor.read(cx).background_highlights_in_range(
8553 start_anchor..end_anchor,
8554 &snapshot.display_snapshot,
8555 cx.theme(),
8556 )
8557 })
8558 .unwrap_or_default();
8559 let highlighted_gutter_ranges =
8560 self.editor.read(cx).gutter_highlights_in_range(
8561 start_anchor..end_anchor,
8562 &snapshot.display_snapshot,
8563 cx,
8564 );
8565
8566 let document_colors = self
8567 .editor
8568 .read(cx)
8569 .colors
8570 .as_ref()
8571 .map(|colors| colors.editor_display_highlights(&snapshot));
8572 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8573 start_anchor..end_anchor,
8574 &snapshot.display_snapshot,
8575 cx,
8576 );
8577
8578 let (local_selections, selected_buffer_ids): (
8579 Vec<Selection<Point>>,
8580 Vec<BufferId>,
8581 ) = self
8582 .editor_with_selections(cx)
8583 .map(|editor| {
8584 editor.update(cx, |editor, cx| {
8585 let all_selections = editor.selections.all::<Point>(cx);
8586 let selected_buffer_ids = if editor.is_singleton(cx) {
8587 Vec::new()
8588 } else {
8589 let mut selected_buffer_ids =
8590 Vec::with_capacity(all_selections.len());
8591
8592 for selection in all_selections {
8593 for buffer_id in snapshot
8594 .buffer_snapshot
8595 .buffer_ids_for_range(selection.range())
8596 {
8597 if selected_buffer_ids.last() != Some(&buffer_id) {
8598 selected_buffer_ids.push(buffer_id);
8599 }
8600 }
8601 }
8602
8603 selected_buffer_ids
8604 };
8605
8606 let mut selections = editor
8607 .selections
8608 .disjoint_in_range(start_anchor..end_anchor, cx);
8609 selections.extend(editor.selections.pending(cx));
8610
8611 (selections, selected_buffer_ids)
8612 })
8613 })
8614 .unwrap_or_default();
8615
8616 let (selections, mut active_rows, newest_selection_head) = self
8617 .layout_selections(
8618 start_anchor,
8619 end_anchor,
8620 &local_selections,
8621 &snapshot,
8622 start_row,
8623 end_row,
8624 window,
8625 cx,
8626 );
8627 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8628 editor.active_breakpoints(start_row..end_row, window, cx)
8629 });
8630 for (display_row, (_, bp, state)) in &breakpoint_rows {
8631 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8632 active_rows.entry(*display_row).or_default().breakpoint = true;
8633 }
8634 }
8635
8636 let line_numbers = self.layout_line_numbers(
8637 Some(&gutter_hitbox),
8638 gutter_dimensions,
8639 line_height,
8640 scroll_position,
8641 start_row..end_row,
8642 &row_infos,
8643 &active_rows,
8644 newest_selection_head,
8645 &snapshot,
8646 window,
8647 cx,
8648 );
8649
8650 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8651 // line numbers so we don't paint a line number debug accent color if a user
8652 // has their mouse over that line when a breakpoint isn't there
8653 self.editor.update(cx, |editor, _| {
8654 if let Some(phantom_breakpoint) = &mut editor
8655 .gutter_breakpoint_indicator
8656 .0
8657 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8658 {
8659 // Is there a non-phantom breakpoint on this line?
8660 phantom_breakpoint.collides_with_existing_breakpoint = true;
8661 breakpoint_rows
8662 .entry(phantom_breakpoint.display_row)
8663 .or_insert_with(|| {
8664 let position = snapshot.display_point_to_anchor(
8665 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8666 Bias::Right,
8667 );
8668 let breakpoint = Breakpoint::new_standard();
8669 phantom_breakpoint.collides_with_existing_breakpoint = false;
8670 (position, breakpoint, None)
8671 });
8672 }
8673 });
8674
8675 let mut expand_toggles =
8676 window.with_element_namespace("expand_toggles", |window| {
8677 self.layout_expand_toggles(
8678 &gutter_hitbox,
8679 gutter_dimensions,
8680 em_width,
8681 line_height,
8682 scroll_position,
8683 &row_infos,
8684 window,
8685 cx,
8686 )
8687 });
8688
8689 let mut crease_toggles =
8690 window.with_element_namespace("crease_toggles", |window| {
8691 self.layout_crease_toggles(
8692 start_row..end_row,
8693 &row_infos,
8694 &active_rows,
8695 &snapshot,
8696 window,
8697 cx,
8698 )
8699 });
8700 let crease_trailers =
8701 window.with_element_namespace("crease_trailers", |window| {
8702 self.layout_crease_trailers(
8703 row_infos.iter().copied(),
8704 &snapshot,
8705 window,
8706 cx,
8707 )
8708 });
8709
8710 let display_hunks = self.layout_gutter_diff_hunks(
8711 line_height,
8712 &gutter_hitbox,
8713 start_row..end_row,
8714 &snapshot,
8715 window,
8716 cx,
8717 );
8718
8719 let bg_segments_per_row = Self::bg_segments_per_row(
8720 start_row..end_row,
8721 &selections,
8722 &highlighted_ranges,
8723 self.style.background,
8724 );
8725
8726 let mut line_layouts = Self::layout_lines(
8727 start_row..end_row,
8728 &snapshot,
8729 &self.style,
8730 editor_width,
8731 is_row_soft_wrapped,
8732 &bg_segments_per_row,
8733 window,
8734 cx,
8735 );
8736 let new_renderer_widths = (!is_minimap).then(|| {
8737 line_layouts
8738 .iter()
8739 .flat_map(|layout| &layout.fragments)
8740 .filter_map(|fragment| {
8741 if let LineFragment::Element { id, size, .. } = fragment {
8742 Some((*id, size.width))
8743 } else {
8744 None
8745 }
8746 })
8747 });
8748 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8749 self.editor.update(cx, |editor, cx| {
8750 editor.update_renderer_widths(new_renderer_widths, cx)
8751 })
8752 }) {
8753 // If the fold widths have changed, we need to prepaint
8754 // the element again to account for any changes in
8755 // wrapping.
8756 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8757 }
8758
8759 let longest_line_blame_width = self
8760 .editor
8761 .update(cx, |editor, cx| {
8762 if !editor.show_git_blame_inline {
8763 return None;
8764 }
8765 let blame = editor.blame.as_ref()?;
8766 let (_, blame_entry) = blame
8767 .update(cx, |blame, cx| {
8768 let row_infos =
8769 snapshot.row_infos(snapshot.longest_row()).next()?;
8770 blame.blame_for_rows(&[row_infos], cx).next()
8771 })
8772 .flatten()?;
8773 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8774 let inline_blame_padding = ProjectSettings::get_global(cx)
8775 .git
8776 .inline_blame
8777 .unwrap_or_default()
8778 .padding
8779 as f32
8780 * em_advance;
8781 Some(
8782 element
8783 .layout_as_root(AvailableSpace::min_size(), window, cx)
8784 .width
8785 + inline_blame_padding,
8786 )
8787 })
8788 .unwrap_or(Pixels::ZERO);
8789
8790 let longest_line_width = layout_line(
8791 snapshot.longest_row(),
8792 &snapshot,
8793 &style,
8794 editor_width,
8795 is_row_soft_wrapped,
8796 window,
8797 cx,
8798 )
8799 .width;
8800
8801 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8802 text_hitbox.bounds,
8803 glyph_grid_cell,
8804 size(longest_line_width, max_row.as_f32() * line_height),
8805 longest_line_blame_width,
8806 EditorSettings::get_global(cx),
8807 );
8808
8809 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8810
8811 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8812 snapshot.sticky_header_excerpt(scroll_position.y)
8813 } else {
8814 None
8815 };
8816 let sticky_header_excerpt_id =
8817 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8818
8819 let blocks = (!is_minimap)
8820 .then(|| {
8821 window.with_element_namespace("blocks", |window| {
8822 self.render_blocks(
8823 start_row..end_row,
8824 &snapshot,
8825 &hitbox,
8826 &text_hitbox,
8827 editor_width,
8828 &mut scroll_width,
8829 &editor_margins,
8830 em_width,
8831 gutter_dimensions.full_width(),
8832 line_height,
8833 &mut line_layouts,
8834 &local_selections,
8835 &selected_buffer_ids,
8836 is_row_soft_wrapped,
8837 sticky_header_excerpt_id,
8838 window,
8839 cx,
8840 )
8841 })
8842 })
8843 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
8844 let (mut blocks, row_block_types) = match blocks {
8845 Ok(blocks) => blocks,
8846 Err(resized_blocks) => {
8847 self.editor.update(cx, |editor, cx| {
8848 editor.resize_blocks(
8849 resized_blocks,
8850 autoscroll_request.map(|(autoscroll, _)| autoscroll),
8851 cx,
8852 )
8853 });
8854 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8855 }
8856 };
8857
8858 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8859 window.with_element_namespace("blocks", |window| {
8860 self.layout_sticky_buffer_header(
8861 sticky_header_excerpt,
8862 scroll_position.y,
8863 line_height,
8864 right_margin,
8865 &snapshot,
8866 &hitbox,
8867 &selected_buffer_ids,
8868 &blocks,
8869 window,
8870 cx,
8871 )
8872 })
8873 });
8874
8875 let start_buffer_row =
8876 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8877 let end_buffer_row =
8878 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8879
8880 let scroll_max = point(
8881 ((scroll_width - editor_width) / em_advance).max(0.0),
8882 max_scroll_top,
8883 );
8884
8885 self.editor.update(cx, |editor, cx| {
8886 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
8887 scroll_position.x = scroll_position.x.min(scroll_max.x);
8888 }
8889
8890 if needs_horizontal_autoscroll.0
8891 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
8892 start_row,
8893 editor_width,
8894 scroll_width,
8895 em_advance,
8896 &line_layouts,
8897 autoscroll_request,
8898 window,
8899 cx,
8900 )
8901 {
8902 scroll_position = new_scroll_position;
8903 }
8904 });
8905
8906 let scroll_pixel_position = point(
8907 scroll_position.x * em_advance,
8908 scroll_position.y * line_height,
8909 );
8910 let indent_guides = self.layout_indent_guides(
8911 content_origin,
8912 text_hitbox.origin,
8913 start_buffer_row..end_buffer_row,
8914 scroll_pixel_position,
8915 line_height,
8916 &snapshot,
8917 window,
8918 cx,
8919 );
8920
8921 let crease_trailers =
8922 window.with_element_namespace("crease_trailers", |window| {
8923 self.prepaint_crease_trailers(
8924 crease_trailers,
8925 &line_layouts,
8926 line_height,
8927 content_origin,
8928 scroll_pixel_position,
8929 em_width,
8930 window,
8931 cx,
8932 )
8933 });
8934
8935 let (edit_prediction_popover, edit_prediction_popover_origin) = self
8936 .editor
8937 .update(cx, |editor, cx| {
8938 editor.render_edit_prediction_popover(
8939 &text_hitbox.bounds,
8940 content_origin,
8941 right_margin,
8942 &snapshot,
8943 start_row..end_row,
8944 scroll_position.y,
8945 scroll_position.y + height_in_lines,
8946 &line_layouts,
8947 line_height,
8948 scroll_pixel_position,
8949 newest_selection_head,
8950 editor_width,
8951 &style,
8952 window,
8953 cx,
8954 )
8955 })
8956 .unzip();
8957
8958 let mut inline_diagnostics = self.layout_inline_diagnostics(
8959 &line_layouts,
8960 &crease_trailers,
8961 &row_block_types,
8962 content_origin,
8963 scroll_pixel_position,
8964 edit_prediction_popover_origin,
8965 start_row,
8966 end_row,
8967 line_height,
8968 em_width,
8969 &style,
8970 window,
8971 cx,
8972 );
8973
8974 let mut inline_blame_layout = None;
8975 let mut inline_code_actions = None;
8976 if let Some(newest_selection_head) = newest_selection_head {
8977 let display_row = newest_selection_head.row();
8978 if (start_row..end_row).contains(&display_row)
8979 && !row_block_types.contains_key(&display_row)
8980 {
8981 inline_code_actions = self.layout_inline_code_actions(
8982 newest_selection_head,
8983 content_origin,
8984 scroll_pixel_position,
8985 line_height,
8986 &snapshot,
8987 window,
8988 cx,
8989 );
8990
8991 let line_ix = display_row.minus(start_row) as usize;
8992 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8993 row_infos.get(line_ix),
8994 line_layouts.get(line_ix),
8995 crease_trailers.get(line_ix),
8996 ) {
8997 let crease_trailer_layout = crease_trailer.as_ref();
8998 if let Some(layout) = self.layout_inline_blame(
8999 display_row,
9000 row_info,
9001 line_layout,
9002 crease_trailer_layout,
9003 em_width,
9004 content_origin,
9005 scroll_pixel_position,
9006 line_height,
9007 &text_hitbox,
9008 window,
9009 cx,
9010 ) {
9011 inline_blame_layout = Some(layout);
9012 // Blame overrides inline diagnostics
9013 inline_diagnostics.remove(&display_row);
9014 }
9015 } else {
9016 log::error!(
9017 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9018 line_layouts.len(): {}, \
9019 crease_trailers.len(): {}",
9020 line_ix,
9021 row_infos.len(),
9022 line_layouts.len(),
9023 crease_trailers.len(),
9024 );
9025 }
9026 }
9027 }
9028
9029 let blamed_display_rows = self.layout_blame_entries(
9030 &row_infos,
9031 em_width,
9032 scroll_position,
9033 line_height,
9034 &gutter_hitbox,
9035 gutter_dimensions.git_blame_entries_width,
9036 window,
9037 cx,
9038 );
9039
9040 let line_elements = self.prepaint_lines(
9041 start_row,
9042 &mut line_layouts,
9043 line_height,
9044 scroll_pixel_position,
9045 content_origin,
9046 window,
9047 cx,
9048 );
9049
9050 window.with_element_namespace("blocks", |window| {
9051 self.layout_blocks(
9052 &mut blocks,
9053 &hitbox,
9054 line_height,
9055 scroll_pixel_position,
9056 window,
9057 cx,
9058 );
9059 });
9060
9061 let cursors = self.collect_cursors(&snapshot, cx);
9062 let visible_row_range = start_row..end_row;
9063 let non_visible_cursors = cursors
9064 .iter()
9065 .any(|c| !visible_row_range.contains(&c.0.row()));
9066
9067 let visible_cursors = self.layout_visible_cursors(
9068 &snapshot,
9069 &selections,
9070 &row_block_types,
9071 start_row..end_row,
9072 &line_layouts,
9073 &text_hitbox,
9074 content_origin,
9075 scroll_position,
9076 scroll_pixel_position,
9077 line_height,
9078 em_width,
9079 em_advance,
9080 autoscroll_containing_element,
9081 window,
9082 cx,
9083 );
9084
9085 let scrollbars_layout = self.layout_scrollbars(
9086 &snapshot,
9087 &scrollbar_layout_information,
9088 content_offset,
9089 scroll_position,
9090 non_visible_cursors,
9091 right_margin,
9092 editor_width,
9093 window,
9094 cx,
9095 );
9096
9097 let gutter_settings = EditorSettings::get_global(cx).gutter;
9098
9099 let context_menu_layout =
9100 if let Some(newest_selection_head) = newest_selection_head {
9101 let newest_selection_point =
9102 newest_selection_head.to_point(&snapshot.display_snapshot);
9103 if (start_row..end_row).contains(&newest_selection_head.row()) {
9104 self.layout_cursor_popovers(
9105 line_height,
9106 &text_hitbox,
9107 content_origin,
9108 right_margin,
9109 start_row,
9110 scroll_pixel_position,
9111 &line_layouts,
9112 newest_selection_head,
9113 newest_selection_point,
9114 &style,
9115 window,
9116 cx,
9117 )
9118 } else {
9119 None
9120 }
9121 } else {
9122 None
9123 };
9124
9125 self.layout_gutter_menu(
9126 line_height,
9127 &text_hitbox,
9128 content_origin,
9129 right_margin,
9130 scroll_pixel_position,
9131 gutter_dimensions.width - gutter_dimensions.left_padding,
9132 window,
9133 cx,
9134 );
9135
9136 let test_indicators = if gutter_settings.runnables {
9137 self.layout_run_indicators(
9138 line_height,
9139 start_row..end_row,
9140 &row_infos,
9141 scroll_pixel_position,
9142 &gutter_dimensions,
9143 &gutter_hitbox,
9144 &display_hunks,
9145 &snapshot,
9146 &mut breakpoint_rows,
9147 window,
9148 cx,
9149 )
9150 } else {
9151 Vec::new()
9152 };
9153
9154 let show_breakpoints = snapshot
9155 .show_breakpoints
9156 .unwrap_or(gutter_settings.breakpoints);
9157 let breakpoints = if show_breakpoints {
9158 self.layout_breakpoints(
9159 line_height,
9160 start_row..end_row,
9161 scroll_pixel_position,
9162 &gutter_dimensions,
9163 &gutter_hitbox,
9164 &display_hunks,
9165 &snapshot,
9166 breakpoint_rows,
9167 &row_infos,
9168 window,
9169 cx,
9170 )
9171 } else {
9172 Vec::new()
9173 };
9174
9175 self.layout_signature_help(
9176 &hitbox,
9177 content_origin,
9178 scroll_pixel_position,
9179 newest_selection_head,
9180 start_row,
9181 &line_layouts,
9182 line_height,
9183 em_width,
9184 context_menu_layout,
9185 window,
9186 cx,
9187 );
9188
9189 if !cx.has_active_drag() {
9190 self.layout_hover_popovers(
9191 &snapshot,
9192 &hitbox,
9193 start_row..end_row,
9194 content_origin,
9195 scroll_pixel_position,
9196 &line_layouts,
9197 line_height,
9198 em_width,
9199 context_menu_layout,
9200 window,
9201 cx,
9202 );
9203 }
9204
9205 let mouse_context_menu = self.layout_mouse_context_menu(
9206 &snapshot,
9207 start_row..end_row,
9208 content_origin,
9209 window,
9210 cx,
9211 );
9212
9213 window.with_element_namespace("crease_toggles", |window| {
9214 self.prepaint_crease_toggles(
9215 &mut crease_toggles,
9216 line_height,
9217 &gutter_dimensions,
9218 gutter_settings,
9219 scroll_pixel_position,
9220 &gutter_hitbox,
9221 window,
9222 cx,
9223 )
9224 });
9225
9226 window.with_element_namespace("expand_toggles", |window| {
9227 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9228 });
9229
9230 let wrap_guides = self.layout_wrap_guides(
9231 em_advance,
9232 scroll_position,
9233 content_origin,
9234 scrollbars_layout.as_ref(),
9235 vertical_scrollbar_width,
9236 &hitbox,
9237 window,
9238 cx,
9239 );
9240
9241 let minimap = window.with_element_namespace("minimap", |window| {
9242 self.layout_minimap(
9243 &snapshot,
9244 minimap_width,
9245 scroll_position,
9246 &scrollbar_layout_information,
9247 scrollbars_layout.as_ref(),
9248 window,
9249 cx,
9250 )
9251 });
9252
9253 let invisible_symbol_font_size = font_size / 2.;
9254 let tab_invisible = window.text_system().shape_line(
9255 "β".into(),
9256 invisible_symbol_font_size,
9257 &[TextRun {
9258 len: "β".len(),
9259 font: self.style.text.font(),
9260 color: cx.theme().colors().editor_invisible,
9261 background_color: None,
9262 underline: None,
9263 strikethrough: None,
9264 }],
9265 None,
9266 );
9267 let space_invisible = window.text_system().shape_line(
9268 "β’".into(),
9269 invisible_symbol_font_size,
9270 &[TextRun {
9271 len: "β’".len(),
9272 font: self.style.text.font(),
9273 color: cx.theme().colors().editor_invisible,
9274 background_color: None,
9275 underline: None,
9276 strikethrough: None,
9277 }],
9278 None,
9279 );
9280
9281 let mode = snapshot.mode.clone();
9282
9283 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9284 (vec![], vec![])
9285 } else {
9286 self.layout_diff_hunk_controls(
9287 start_row..end_row,
9288 &row_infos,
9289 &text_hitbox,
9290 newest_selection_head,
9291 line_height,
9292 right_margin,
9293 scroll_pixel_position,
9294 &display_hunks,
9295 &highlighted_rows,
9296 self.editor.clone(),
9297 window,
9298 cx,
9299 )
9300 };
9301
9302 let position_map = Rc::new(PositionMap {
9303 size: bounds.size,
9304 visible_row_range,
9305 scroll_pixel_position,
9306 scroll_max,
9307 line_layouts,
9308 line_height,
9309 em_width,
9310 em_advance,
9311 snapshot,
9312 gutter_hitbox: gutter_hitbox.clone(),
9313 text_hitbox: text_hitbox.clone(),
9314 inline_blame_bounds: inline_blame_layout
9315 .as_ref()
9316 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9317 display_hunks: display_hunks.clone(),
9318 diff_hunk_control_bounds,
9319 });
9320
9321 self.editor.update(cx, |editor, _| {
9322 editor.last_position_map = Some(position_map.clone())
9323 });
9324
9325 EditorLayout {
9326 mode,
9327 position_map,
9328 visible_display_row_range: start_row..end_row,
9329 wrap_guides,
9330 indent_guides,
9331 hitbox,
9332 gutter_hitbox,
9333 display_hunks,
9334 content_origin,
9335 scrollbars_layout,
9336 minimap,
9337 active_rows,
9338 highlighted_rows,
9339 highlighted_ranges,
9340 highlighted_gutter_ranges,
9341 redacted_ranges,
9342 document_colors,
9343 line_elements,
9344 line_numbers,
9345 blamed_display_rows,
9346 inline_diagnostics,
9347 inline_blame_layout,
9348 inline_code_actions,
9349 blocks,
9350 cursors,
9351 visible_cursors,
9352 selections,
9353 edit_prediction_popover,
9354 diff_hunk_controls,
9355 mouse_context_menu,
9356 test_indicators,
9357 breakpoints,
9358 crease_toggles,
9359 crease_trailers,
9360 tab_invisible,
9361 space_invisible,
9362 sticky_buffer_header,
9363 expand_toggles,
9364 }
9365 })
9366 })
9367 })
9368 }
9369
9370 fn paint(
9371 &mut self,
9372 _: Option<&GlobalElementId>,
9373 _inspector_id: Option<&gpui::InspectorElementId>,
9374 bounds: Bounds<gpui::Pixels>,
9375 _: &mut Self::RequestLayoutState,
9376 layout: &mut Self::PrepaintState,
9377 window: &mut Window,
9378 cx: &mut App,
9379 ) {
9380 if !layout.mode.is_minimap() {
9381 let focus_handle = self.editor.focus_handle(cx);
9382 let key_context = self
9383 .editor
9384 .update(cx, |editor, cx| editor.key_context(window, cx));
9385
9386 window.set_key_context(key_context);
9387 window.handle_input(
9388 &focus_handle,
9389 ElementInputHandler::new(bounds, self.editor.clone()),
9390 cx,
9391 );
9392 self.register_actions(window, cx);
9393 self.register_key_listeners(window, cx, layout);
9394 }
9395
9396 let text_style = TextStyleRefinement {
9397 font_size: Some(self.style.text.font_size),
9398 line_height: Some(self.style.text.line_height),
9399 ..Default::default()
9400 };
9401 let rem_size = self.rem_size(cx);
9402 window.with_rem_size(rem_size, |window| {
9403 window.with_text_style(Some(text_style), |window| {
9404 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9405 self.paint_mouse_listeners(layout, window, cx);
9406 self.paint_background(layout, window, cx);
9407 self.paint_indent_guides(layout, window, cx);
9408
9409 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9410 self.paint_blamed_display_rows(layout, window, cx);
9411 self.paint_line_numbers(layout, window, cx);
9412 }
9413
9414 self.paint_text(layout, window, cx);
9415
9416 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9417 self.paint_gutter_highlights(layout, window, cx);
9418 self.paint_gutter_indicators(layout, window, cx);
9419 }
9420
9421 if !layout.blocks.is_empty() {
9422 window.with_element_namespace("blocks", |window| {
9423 self.paint_blocks(layout, window, cx);
9424 });
9425 }
9426
9427 window.with_element_namespace("blocks", |window| {
9428 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9429 sticky_header.paint(window, cx)
9430 }
9431 });
9432
9433 self.paint_minimap(layout, window, cx);
9434 self.paint_scrollbars(layout, window, cx);
9435 self.paint_edit_prediction_popover(layout, window, cx);
9436 self.paint_mouse_context_menu(layout, window, cx);
9437 });
9438 })
9439 })
9440 }
9441}
9442
9443pub(super) fn gutter_bounds(
9444 editor_bounds: Bounds<Pixels>,
9445 gutter_dimensions: GutterDimensions,
9446) -> Bounds<Pixels> {
9447 Bounds {
9448 origin: editor_bounds.origin,
9449 size: size(gutter_dimensions.width, editor_bounds.size.height),
9450 }
9451}
9452
9453#[derive(Clone, Copy)]
9454struct ContextMenuLayout {
9455 y_flipped: bool,
9456 bounds: Bounds<Pixels>,
9457}
9458
9459/// Holds information required for layouting the editor scrollbars.
9460struct ScrollbarLayoutInformation {
9461 /// The bounds of the editor area (excluding the content offset).
9462 editor_bounds: Bounds<Pixels>,
9463 /// The available range to scroll within the document.
9464 scroll_range: Size<Pixels>,
9465 /// The space available for one glyph in the editor.
9466 glyph_grid_cell: Size<Pixels>,
9467}
9468
9469impl ScrollbarLayoutInformation {
9470 pub fn new(
9471 editor_bounds: Bounds<Pixels>,
9472 glyph_grid_cell: Size<Pixels>,
9473 document_size: Size<Pixels>,
9474 longest_line_blame_width: Pixels,
9475 settings: &EditorSettings,
9476 ) -> Self {
9477 let vertical_overscroll = match settings.scroll_beyond_last_line {
9478 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9479 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9480 ScrollBeyondLastLine::VerticalScrollMargin => {
9481 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9482 }
9483 };
9484
9485 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9486
9487 ScrollbarLayoutInformation {
9488 editor_bounds,
9489 scroll_range: document_size + overscroll,
9490 glyph_grid_cell,
9491 }
9492 }
9493}
9494
9495impl IntoElement for EditorElement {
9496 type Element = Self;
9497
9498 fn into_element(self) -> Self::Element {
9499 self
9500 }
9501}
9502
9503pub struct EditorLayout {
9504 position_map: Rc<PositionMap>,
9505 hitbox: Hitbox,
9506 gutter_hitbox: Hitbox,
9507 content_origin: gpui::Point<Pixels>,
9508 scrollbars_layout: Option<EditorScrollbars>,
9509 minimap: Option<MinimapLayout>,
9510 mode: EditorMode,
9511 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9512 indent_guides: Option<Vec<IndentGuideLayout>>,
9513 visible_display_row_range: Range<DisplayRow>,
9514 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9515 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9516 line_elements: SmallVec<[AnyElement; 1]>,
9517 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9518 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9519 blamed_display_rows: Option<Vec<AnyElement>>,
9520 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9521 inline_blame_layout: Option<InlineBlameLayout>,
9522 inline_code_actions: Option<AnyElement>,
9523 blocks: Vec<BlockLayout>,
9524 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9525 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9526 redacted_ranges: Vec<Range<DisplayPoint>>,
9527 cursors: Vec<(DisplayPoint, Hsla)>,
9528 visible_cursors: Vec<CursorLayout>,
9529 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9530 test_indicators: Vec<AnyElement>,
9531 breakpoints: Vec<AnyElement>,
9532 crease_toggles: Vec<Option<AnyElement>>,
9533 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9534 diff_hunk_controls: Vec<AnyElement>,
9535 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9536 edit_prediction_popover: Option<AnyElement>,
9537 mouse_context_menu: Option<AnyElement>,
9538 tab_invisible: ShapedLine,
9539 space_invisible: ShapedLine,
9540 sticky_buffer_header: Option<AnyElement>,
9541 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9542}
9543
9544impl EditorLayout {
9545 fn line_end_overshoot(&self) -> Pixels {
9546 0.15 * self.position_map.line_height
9547 }
9548}
9549
9550struct LineNumberLayout {
9551 shaped_line: ShapedLine,
9552 hitbox: Option<Hitbox>,
9553}
9554
9555struct ColoredRange<T> {
9556 start: T,
9557 end: T,
9558 color: Hsla,
9559}
9560
9561impl Along for ScrollbarAxes {
9562 type Unit = bool;
9563
9564 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9565 match axis {
9566 ScrollbarAxis::Horizontal => self.horizontal,
9567 ScrollbarAxis::Vertical => self.vertical,
9568 }
9569 }
9570
9571 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9572 match axis {
9573 ScrollbarAxis::Horizontal => ScrollbarAxes {
9574 horizontal: f(self.horizontal),
9575 vertical: self.vertical,
9576 },
9577 ScrollbarAxis::Vertical => ScrollbarAxes {
9578 horizontal: self.horizontal,
9579 vertical: f(self.vertical),
9580 },
9581 }
9582 }
9583}
9584
9585#[derive(Clone)]
9586struct EditorScrollbars {
9587 pub vertical: Option<ScrollbarLayout>,
9588 pub horizontal: Option<ScrollbarLayout>,
9589 pub visible: bool,
9590}
9591
9592impl EditorScrollbars {
9593 pub fn from_scrollbar_axes(
9594 show_scrollbar: ScrollbarAxes,
9595 layout_information: &ScrollbarLayoutInformation,
9596 content_offset: gpui::Point<Pixels>,
9597 scroll_position: gpui::Point<f32>,
9598 scrollbar_width: Pixels,
9599 right_margin: Pixels,
9600 editor_width: Pixels,
9601 show_scrollbars: bool,
9602 scrollbar_state: Option<&ActiveScrollbarState>,
9603 window: &mut Window,
9604 ) -> Self {
9605 let ScrollbarLayoutInformation {
9606 editor_bounds,
9607 scroll_range,
9608 glyph_grid_cell,
9609 } = layout_information;
9610
9611 let viewport_size = size(editor_width, editor_bounds.size.height);
9612
9613 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9614 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9615 Corner::BottomLeft,
9616 editor_bounds.bottom_left(),
9617 size(
9618 // The horizontal viewport size differs from the space available for the
9619 // horizontal scrollbar, so we have to manually stich it together here.
9620 editor_bounds.size.width - right_margin,
9621 scrollbar_width,
9622 ),
9623 ),
9624 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9625 Corner::TopRight,
9626 editor_bounds.top_right(),
9627 size(scrollbar_width, viewport_size.height),
9628 ),
9629 };
9630
9631 let mut create_scrollbar_layout = |axis| {
9632 let viewport_size = viewport_size.along(axis);
9633 let scroll_range = scroll_range.along(axis);
9634
9635 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9636 (show_scrollbar.along(axis)
9637 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9638 .then(|| {
9639 ScrollbarLayout::new(
9640 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9641 viewport_size,
9642 scroll_range,
9643 glyph_grid_cell.along(axis),
9644 content_offset.along(axis),
9645 scroll_position.along(axis),
9646 show_scrollbars,
9647 axis,
9648 )
9649 .with_thumb_state(
9650 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9651 )
9652 })
9653 };
9654
9655 Self {
9656 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9657 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9658 visible: show_scrollbars,
9659 }
9660 }
9661
9662 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9663 [
9664 (&self.vertical, ScrollbarAxis::Vertical),
9665 (&self.horizontal, ScrollbarAxis::Horizontal),
9666 ]
9667 .into_iter()
9668 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9669 }
9670
9671 /// Returns the currently hovered scrollbar axis, if any.
9672 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9673 self.iter_scrollbars()
9674 .find(|s| s.0.hitbox.is_hovered(window))
9675 }
9676}
9677
9678#[derive(Clone)]
9679struct ScrollbarLayout {
9680 hitbox: Hitbox,
9681 visible_range: Range<f32>,
9682 text_unit_size: Pixels,
9683 thumb_bounds: Option<Bounds<Pixels>>,
9684 thumb_state: ScrollbarThumbState,
9685}
9686
9687impl ScrollbarLayout {
9688 const BORDER_WIDTH: Pixels = px(1.0);
9689 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9690 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9691 const MIN_THUMB_SIZE: Pixels = px(25.0);
9692
9693 fn new(
9694 scrollbar_track_hitbox: Hitbox,
9695 viewport_size: Pixels,
9696 scroll_range: Pixels,
9697 glyph_space: Pixels,
9698 content_offset: Pixels,
9699 scroll_position: f32,
9700 show_thumb: bool,
9701 axis: ScrollbarAxis,
9702 ) -> Self {
9703 let track_bounds = scrollbar_track_hitbox.bounds;
9704 // The length of the track available to the scrollbar thumb. We deliberately
9705 // exclude the content size here so that the thumb aligns with the content.
9706 let track_length = track_bounds.size.along(axis) - content_offset;
9707
9708 Self::new_with_hitbox_and_track_length(
9709 scrollbar_track_hitbox,
9710 track_length,
9711 viewport_size,
9712 scroll_range,
9713 glyph_space,
9714 content_offset,
9715 scroll_position,
9716 show_thumb,
9717 axis,
9718 )
9719 }
9720
9721 fn for_minimap(
9722 minimap_track_hitbox: Hitbox,
9723 visible_lines: f32,
9724 total_editor_lines: f32,
9725 minimap_line_height: Pixels,
9726 scroll_position: f32,
9727 minimap_scroll_top: f32,
9728 show_thumb: bool,
9729 ) -> Self {
9730 // The scrollbar thumb size is calculated as
9731 // (visible_content/total_content) Γ scrollbar_track_length.
9732 //
9733 // For the minimap's thumb layout, we leverage this by setting the
9734 // scrollbar track length to the entire document size (using minimap line
9735 // height). This creates a thumb that exactly represents the editor
9736 // viewport scaled to minimap proportions.
9737 //
9738 // We adjust the thumb position relative to `minimap_scroll_top` to
9739 // accommodate for the deliberately oversized track.
9740 //
9741 // This approach ensures that the minimap thumb accurately reflects the
9742 // editor's current scroll position whilst nicely synchronizing the minimap
9743 // thumb and scrollbar thumb.
9744 let scroll_range = total_editor_lines * minimap_line_height;
9745 let viewport_size = visible_lines * minimap_line_height;
9746
9747 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9748
9749 Self::new_with_hitbox_and_track_length(
9750 minimap_track_hitbox,
9751 scroll_range,
9752 viewport_size,
9753 scroll_range,
9754 minimap_line_height,
9755 track_top_offset,
9756 scroll_position,
9757 show_thumb,
9758 ScrollbarAxis::Vertical,
9759 )
9760 }
9761
9762 fn new_with_hitbox_and_track_length(
9763 scrollbar_track_hitbox: Hitbox,
9764 track_length: Pixels,
9765 viewport_size: Pixels,
9766 scroll_range: Pixels,
9767 glyph_space: Pixels,
9768 content_offset: Pixels,
9769 scroll_position: f32,
9770 show_thumb: bool,
9771 axis: ScrollbarAxis,
9772 ) -> Self {
9773 let text_units_per_page = viewport_size / glyph_space;
9774 let visible_range = scroll_position..scroll_position + text_units_per_page;
9775 let total_text_units = scroll_range / glyph_space;
9776
9777 let thumb_percentage = text_units_per_page / total_text_units;
9778 let thumb_size = (track_length * thumb_percentage)
9779 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9780 .min(track_length);
9781
9782 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9783
9784 let content_larger_than_viewport = text_unit_divisor > 0.;
9785
9786 let text_unit_size = if content_larger_than_viewport {
9787 (track_length - thumb_size) / text_unit_divisor
9788 } else {
9789 glyph_space
9790 };
9791
9792 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9793 Self::thumb_bounds(
9794 &scrollbar_track_hitbox,
9795 content_offset,
9796 visible_range.start,
9797 text_unit_size,
9798 thumb_size,
9799 axis,
9800 )
9801 });
9802
9803 ScrollbarLayout {
9804 hitbox: scrollbar_track_hitbox,
9805 visible_range,
9806 text_unit_size,
9807 thumb_bounds,
9808 thumb_state: Default::default(),
9809 }
9810 }
9811
9812 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9813 if let Some(thumb_state) = thumb_state {
9814 Self {
9815 thumb_state,
9816 ..self
9817 }
9818 } else {
9819 self
9820 }
9821 }
9822
9823 fn thumb_bounds(
9824 scrollbar_track: &Hitbox,
9825 content_offset: Pixels,
9826 visible_range_start: f32,
9827 text_unit_size: Pixels,
9828 thumb_size: Pixels,
9829 axis: ScrollbarAxis,
9830 ) -> Bounds<Pixels> {
9831 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9832 origin + content_offset + visible_range_start * text_unit_size
9833 });
9834 Bounds::new(
9835 thumb_origin,
9836 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9837 )
9838 }
9839
9840 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9841 self.thumb_bounds
9842 .is_some_and(|bounds| bounds.contains(position))
9843 }
9844
9845 fn marker_quads_for_ranges(
9846 &self,
9847 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9848 column: Option<usize>,
9849 ) -> Vec<PaintQuad> {
9850 struct MinMax {
9851 min: Pixels,
9852 max: Pixels,
9853 }
9854 let (x_range, height_limit) = if let Some(column) = column {
9855 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9856 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9857 let end = start + column_width;
9858 (
9859 Range { start, end },
9860 MinMax {
9861 min: Self::MIN_MARKER_HEIGHT,
9862 max: px(f32::MAX),
9863 },
9864 )
9865 } else {
9866 (
9867 Range {
9868 start: Self::BORDER_WIDTH,
9869 end: self.hitbox.size.width,
9870 },
9871 MinMax {
9872 min: Self::LINE_MARKER_HEIGHT,
9873 max: Self::LINE_MARKER_HEIGHT,
9874 },
9875 )
9876 };
9877
9878 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9879 let mut pixel_ranges = row_ranges
9880 .into_iter()
9881 .map(|range| {
9882 let start_y = row_to_y(range.start);
9883 let end_y = row_to_y(range.end)
9884 + self
9885 .text_unit_size
9886 .max(height_limit.min)
9887 .min(height_limit.max);
9888 ColoredRange {
9889 start: start_y,
9890 end: end_y,
9891 color: range.color,
9892 }
9893 })
9894 .peekable();
9895
9896 let mut quads = Vec::new();
9897 while let Some(mut pixel_range) = pixel_ranges.next() {
9898 while let Some(next_pixel_range) = pixel_ranges.peek() {
9899 if pixel_range.end >= next_pixel_range.start - px(1.0)
9900 && pixel_range.color == next_pixel_range.color
9901 {
9902 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9903 pixel_ranges.next();
9904 } else {
9905 break;
9906 }
9907 }
9908
9909 let bounds = Bounds::from_corners(
9910 point(x_range.start, pixel_range.start),
9911 point(x_range.end, pixel_range.end),
9912 );
9913 quads.push(quad(
9914 bounds,
9915 Corners::default(),
9916 pixel_range.color,
9917 Edges::default(),
9918 Hsla::transparent_black(),
9919 BorderStyle::default(),
9920 ));
9921 }
9922
9923 quads
9924 }
9925}
9926
9927struct MinimapLayout {
9928 pub minimap: AnyElement,
9929 pub thumb_layout: ScrollbarLayout,
9930 pub minimap_scroll_top: f32,
9931 pub minimap_line_height: Pixels,
9932 pub thumb_border_style: MinimapThumbBorder,
9933 pub max_scroll_top: f32,
9934}
9935
9936impl MinimapLayout {
9937 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9938 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9939 /// The minimap width as a percentage of the editor width.
9940 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9941 /// Calculates the scroll top offset the minimap editor has to have based on the
9942 /// current scroll progress.
9943 fn calculate_minimap_top_offset(
9944 document_lines: f32,
9945 visible_editor_lines: f32,
9946 visible_minimap_lines: f32,
9947 scroll_position: f32,
9948 ) -> f32 {
9949 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9950 if non_visible_document_lines == 0. {
9951 0.
9952 } else {
9953 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9954 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9955 }
9956 }
9957}
9958
9959struct CreaseTrailerLayout {
9960 element: AnyElement,
9961 bounds: Bounds<Pixels>,
9962}
9963
9964pub(crate) struct PositionMap {
9965 pub size: Size<Pixels>,
9966 pub line_height: Pixels,
9967 pub scroll_pixel_position: gpui::Point<Pixels>,
9968 pub scroll_max: gpui::Point<f32>,
9969 pub em_width: Pixels,
9970 pub em_advance: Pixels,
9971 pub visible_row_range: Range<DisplayRow>,
9972 pub line_layouts: Vec<LineWithInvisibles>,
9973 pub snapshot: EditorSnapshot,
9974 pub text_hitbox: Hitbox,
9975 pub gutter_hitbox: Hitbox,
9976 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
9977 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9978 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9979}
9980
9981#[derive(Debug, Copy, Clone)]
9982pub struct PointForPosition {
9983 pub previous_valid: DisplayPoint,
9984 pub next_valid: DisplayPoint,
9985 pub exact_unclipped: DisplayPoint,
9986 pub column_overshoot_after_line_end: u32,
9987}
9988
9989impl PointForPosition {
9990 pub fn as_valid(&self) -> Option<DisplayPoint> {
9991 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9992 Some(self.previous_valid)
9993 } else {
9994 None
9995 }
9996 }
9997
9998 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
9999 let Some(valid_point) = self.as_valid() else {
10000 return false;
10001 };
10002 let range = selection.range();
10003
10004 let candidate_row = valid_point.row();
10005 let candidate_col = valid_point.column();
10006
10007 let start_row = range.start.row();
10008 let start_col = range.start.column();
10009 let end_row = range.end.row();
10010 let end_col = range.end.column();
10011
10012 if candidate_row < start_row || candidate_row > end_row {
10013 false
10014 } else if start_row == end_row {
10015 candidate_col >= start_col && candidate_col < end_col
10016 } else if candidate_row == start_row {
10017 candidate_col >= start_col
10018 } else if candidate_row == end_row {
10019 candidate_col < end_col
10020 } else {
10021 true
10022 }
10023 }
10024}
10025
10026impl PositionMap {
10027 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10028 let text_bounds = self.text_hitbox.bounds;
10029 let scroll_position = self.snapshot.scroll_position();
10030 let position = position - text_bounds.origin;
10031 let y = position.y.max(px(0.)).min(self.size.height);
10032 let x = position.x + (scroll_position.x * self.em_advance);
10033 let row = ((y / self.line_height) + scroll_position.y) as u32;
10034
10035 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10036 .line_layouts
10037 .get(row as usize - scroll_position.y as usize)
10038 {
10039 if let Some(ix) = line.index_for_x(x) {
10040 (ix as u32, px(0.))
10041 } else {
10042 (line.len as u32, px(0.).max(x - line.width))
10043 }
10044 } else {
10045 (0, x)
10046 };
10047
10048 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10049 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10050 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10051
10052 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10053 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10054 PointForPosition {
10055 previous_valid,
10056 next_valid,
10057 exact_unclipped,
10058 column_overshoot_after_line_end,
10059 }
10060 }
10061}
10062
10063struct BlockLayout {
10064 id: BlockId,
10065 x_offset: Pixels,
10066 row: Option<DisplayRow>,
10067 element: AnyElement,
10068 available_space: Size<AvailableSpace>,
10069 style: BlockStyle,
10070 overlaps_gutter: bool,
10071 is_buffer_header: bool,
10072}
10073
10074pub fn layout_line(
10075 row: DisplayRow,
10076 snapshot: &EditorSnapshot,
10077 style: &EditorStyle,
10078 text_width: Pixels,
10079 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10080 window: &mut Window,
10081 cx: &mut App,
10082) -> LineWithInvisibles {
10083 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10084 LineWithInvisibles::from_chunks(
10085 chunks,
10086 style,
10087 MAX_LINE_LEN,
10088 1,
10089 &snapshot.mode,
10090 text_width,
10091 is_row_soft_wrapped,
10092 &[],
10093 window,
10094 cx,
10095 )
10096 .pop()
10097 .unwrap()
10098}
10099
10100#[derive(Debug)]
10101pub struct IndentGuideLayout {
10102 origin: gpui::Point<Pixels>,
10103 length: Pixels,
10104 single_indent_width: Pixels,
10105 depth: u32,
10106 active: bool,
10107 settings: IndentGuideSettings,
10108}
10109
10110pub struct CursorLayout {
10111 origin: gpui::Point<Pixels>,
10112 block_width: Pixels,
10113 line_height: Pixels,
10114 color: Hsla,
10115 shape: CursorShape,
10116 block_text: Option<ShapedLine>,
10117 cursor_name: Option<AnyElement>,
10118}
10119
10120#[derive(Debug)]
10121pub struct CursorName {
10122 string: SharedString,
10123 color: Hsla,
10124 is_top_row: bool,
10125}
10126
10127impl CursorLayout {
10128 pub fn new(
10129 origin: gpui::Point<Pixels>,
10130 block_width: Pixels,
10131 line_height: Pixels,
10132 color: Hsla,
10133 shape: CursorShape,
10134 block_text: Option<ShapedLine>,
10135 ) -> CursorLayout {
10136 CursorLayout {
10137 origin,
10138 block_width,
10139 line_height,
10140 color,
10141 shape,
10142 block_text,
10143 cursor_name: None,
10144 }
10145 }
10146
10147 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10148 Bounds {
10149 origin: self.origin + origin,
10150 size: size(self.block_width, self.line_height),
10151 }
10152 }
10153
10154 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10155 match self.shape {
10156 CursorShape::Bar => Bounds {
10157 origin: self.origin + origin,
10158 size: size(px(2.0), self.line_height),
10159 },
10160 CursorShape::Block | CursorShape::Hollow => Bounds {
10161 origin: self.origin + origin,
10162 size: size(self.block_width, self.line_height),
10163 },
10164 CursorShape::Underline => Bounds {
10165 origin: self.origin
10166 + origin
10167 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10168 size: size(self.block_width, px(2.0)),
10169 },
10170 }
10171 }
10172
10173 pub fn layout(
10174 &mut self,
10175 origin: gpui::Point<Pixels>,
10176 cursor_name: Option<CursorName>,
10177 window: &mut Window,
10178 cx: &mut App,
10179 ) {
10180 if let Some(cursor_name) = cursor_name {
10181 let bounds = self.bounds(origin);
10182 let text_size = self.line_height / 1.5;
10183
10184 let name_origin = if cursor_name.is_top_row {
10185 point(bounds.right() - px(1.), bounds.top())
10186 } else {
10187 match self.shape {
10188 CursorShape::Bar => point(
10189 bounds.right() - px(2.),
10190 bounds.top() - text_size / 2. - px(1.),
10191 ),
10192 _ => point(
10193 bounds.right() - px(1.),
10194 bounds.top() - text_size / 2. - px(1.),
10195 ),
10196 }
10197 };
10198 let mut name_element = div()
10199 .bg(self.color)
10200 .text_size(text_size)
10201 .px_0p5()
10202 .line_height(text_size + px(2.))
10203 .text_color(cursor_name.color)
10204 .child(cursor_name.string)
10205 .into_any_element();
10206
10207 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10208
10209 self.cursor_name = Some(name_element);
10210 }
10211 }
10212
10213 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10214 let bounds = self.bounds(origin);
10215
10216 //Draw background or border quad
10217 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10218 outline(bounds, self.color, BorderStyle::Solid)
10219 } else {
10220 fill(bounds, self.color)
10221 };
10222
10223 if let Some(name) = &mut self.cursor_name {
10224 name.paint(window, cx);
10225 }
10226
10227 window.paint_quad(cursor);
10228
10229 if let Some(block_text) = &self.block_text {
10230 block_text
10231 .paint(self.origin + origin, self.line_height, window, cx)
10232 .log_err();
10233 }
10234 }
10235
10236 pub fn shape(&self) -> CursorShape {
10237 self.shape
10238 }
10239}
10240
10241#[derive(Debug)]
10242pub struct HighlightedRange {
10243 pub start_y: Pixels,
10244 pub line_height: Pixels,
10245 pub lines: Vec<HighlightedRangeLine>,
10246 pub color: Hsla,
10247 pub corner_radius: Pixels,
10248}
10249
10250#[derive(Debug)]
10251pub struct HighlightedRangeLine {
10252 pub start_x: Pixels,
10253 pub end_x: Pixels,
10254}
10255
10256impl HighlightedRange {
10257 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10258 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10259 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10260 self.paint_lines(
10261 self.start_y + self.line_height,
10262 &self.lines[1..],
10263 fill,
10264 bounds,
10265 window,
10266 );
10267 } else {
10268 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10269 }
10270 }
10271
10272 fn paint_lines(
10273 &self,
10274 start_y: Pixels,
10275 lines: &[HighlightedRangeLine],
10276 fill: bool,
10277 _bounds: Bounds<Pixels>,
10278 window: &mut Window,
10279 ) {
10280 if lines.is_empty() {
10281 return;
10282 }
10283
10284 let first_line = lines.first().unwrap();
10285 let last_line = lines.last().unwrap();
10286
10287 let first_top_left = point(first_line.start_x, start_y);
10288 let first_top_right = point(first_line.end_x, start_y);
10289
10290 let curve_height = point(Pixels::ZERO, self.corner_radius);
10291 let curve_width = |start_x: Pixels, end_x: Pixels| {
10292 let max = (end_x - start_x) / 2.;
10293 let width = if max < self.corner_radius {
10294 max
10295 } else {
10296 self.corner_radius
10297 };
10298
10299 point(width, Pixels::ZERO)
10300 };
10301
10302 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10303 let mut builder = if fill {
10304 gpui::PathBuilder::fill()
10305 } else {
10306 gpui::PathBuilder::stroke(px(1.))
10307 };
10308 builder.move_to(first_top_right - top_curve_width);
10309 builder.curve_to(first_top_right + curve_height, first_top_right);
10310
10311 let mut iter = lines.iter().enumerate().peekable();
10312 while let Some((ix, line)) = iter.next() {
10313 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10314
10315 if let Some((_, next_line)) = iter.peek() {
10316 let next_top_right = point(next_line.end_x, bottom_right.y);
10317
10318 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10319 Ordering::Equal => {
10320 builder.line_to(bottom_right);
10321 }
10322 Ordering::Less => {
10323 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10324 builder.line_to(bottom_right - curve_height);
10325 if self.corner_radius > Pixels::ZERO {
10326 builder.curve_to(bottom_right - curve_width, bottom_right);
10327 }
10328 builder.line_to(next_top_right + curve_width);
10329 if self.corner_radius > Pixels::ZERO {
10330 builder.curve_to(next_top_right + curve_height, next_top_right);
10331 }
10332 }
10333 Ordering::Greater => {
10334 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10335 builder.line_to(bottom_right - curve_height);
10336 if self.corner_radius > Pixels::ZERO {
10337 builder.curve_to(bottom_right + curve_width, bottom_right);
10338 }
10339 builder.line_to(next_top_right - curve_width);
10340 if self.corner_radius > Pixels::ZERO {
10341 builder.curve_to(next_top_right + curve_height, next_top_right);
10342 }
10343 }
10344 }
10345 } else {
10346 let curve_width = curve_width(line.start_x, line.end_x);
10347 builder.line_to(bottom_right - curve_height);
10348 if self.corner_radius > Pixels::ZERO {
10349 builder.curve_to(bottom_right - curve_width, bottom_right);
10350 }
10351
10352 let bottom_left = point(line.start_x, bottom_right.y);
10353 builder.line_to(bottom_left + curve_width);
10354 if self.corner_radius > Pixels::ZERO {
10355 builder.curve_to(bottom_left - curve_height, bottom_left);
10356 }
10357 }
10358 }
10359
10360 if first_line.start_x > last_line.start_x {
10361 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10362 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10363 builder.line_to(second_top_left + curve_height);
10364 if self.corner_radius > Pixels::ZERO {
10365 builder.curve_to(second_top_left + curve_width, second_top_left);
10366 }
10367 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10368 builder.line_to(first_bottom_left - curve_width);
10369 if self.corner_radius > Pixels::ZERO {
10370 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10371 }
10372 }
10373
10374 builder.line_to(first_top_left + curve_height);
10375 if self.corner_radius > Pixels::ZERO {
10376 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10377 }
10378 builder.line_to(first_top_right - top_curve_width);
10379
10380 if let Ok(path) = builder.build() {
10381 window.paint_path(path, self.color);
10382 }
10383 }
10384}
10385
10386enum CursorPopoverType {
10387 CodeContextMenu,
10388 EditPrediction,
10389}
10390
10391pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10392 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10393}
10394
10395fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10396 (delta.pow(1.2) / 300.0).into()
10397}
10398
10399pub fn register_action<T: Action>(
10400 editor: &Entity<Editor>,
10401 window: &mut Window,
10402 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10403) {
10404 let editor = editor.clone();
10405 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10406 let action = action.downcast_ref().unwrap();
10407 if phase == DispatchPhase::Bubble {
10408 editor.update(cx, |editor, cx| {
10409 listener(editor, action, window, cx);
10410 })
10411 }
10412 })
10413}
10414
10415fn compute_auto_height_layout(
10416 editor: &mut Editor,
10417 min_lines: usize,
10418 max_lines: Option<usize>,
10419 max_line_number_width: Pixels,
10420 known_dimensions: Size<Option<Pixels>>,
10421 available_width: AvailableSpace,
10422 window: &mut Window,
10423 cx: &mut Context<Editor>,
10424) -> Option<Size<Pixels>> {
10425 let width = known_dimensions.width.or({
10426 if let AvailableSpace::Definite(available_width) = available_width {
10427 Some(available_width)
10428 } else {
10429 None
10430 }
10431 })?;
10432 if let Some(height) = known_dimensions.height {
10433 return Some(size(width, height));
10434 }
10435
10436 let style = editor.style.as_ref().unwrap();
10437 let font_id = window.text_system().resolve_font(&style.text.font());
10438 let font_size = style.text.font_size.to_pixels(window.rem_size());
10439 let line_height = style.text.line_height_in_pixels(window.rem_size());
10440 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10441
10442 let mut snapshot = editor.snapshot(window, cx);
10443 let gutter_dimensions = snapshot
10444 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10445 .or_else(|| {
10446 editor
10447 .offset_content
10448 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10449 })
10450 .unwrap_or_default();
10451
10452 editor.gutter_dimensions = gutter_dimensions;
10453 let text_width = width - gutter_dimensions.width;
10454 let overscroll = size(em_width, px(0.));
10455
10456 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10457 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10458 && editor.set_wrap_width(Some(editor_width), cx)
10459 {
10460 snapshot = editor.snapshot(window, cx);
10461 }
10462
10463 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10464
10465 let min_height = line_height * min_lines as f32;
10466 let content_height = scroll_height.max(min_height);
10467
10468 let final_height = if let Some(max_lines) = max_lines {
10469 let max_height = line_height * max_lines as f32;
10470 content_height.min(max_height)
10471 } else {
10472 content_height
10473 };
10474
10475 Some(size(width, final_height))
10476}
10477
10478#[cfg(test)]
10479mod tests {
10480 use super::*;
10481 use crate::{
10482 Editor, MultiBuffer, SelectionEffects,
10483 display_map::{BlockPlacement, BlockProperties},
10484 editor_tests::{init_test, update_test_language_settings},
10485 };
10486 use gpui::{TestAppContext, VisualTestContext};
10487 use language::language_settings;
10488 use log::info;
10489 use std::num::NonZeroU32;
10490 use util::test::sample_text;
10491
10492 #[gpui::test]
10493 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10494 init_test(cx, |_| {});
10495
10496 let window = cx.add_window(|window, cx| {
10497 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10498 let mut editor = Editor::new(
10499 EditorMode::AutoHeight {
10500 min_lines: 1,
10501 max_lines: None,
10502 },
10503 buffer,
10504 None,
10505 window,
10506 cx,
10507 );
10508 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10509 editor
10510 });
10511 let cx = &mut VisualTestContext::from_window(*window, cx);
10512 let editor = window.root(cx).unwrap();
10513 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10514
10515 for x in 1..=100 {
10516 let (_, state) = cx.draw(
10517 Default::default(),
10518 size(px(200. + 0.13 * x as f32), px(500.)),
10519 |_, _| EditorElement::new(&editor, style.clone()),
10520 );
10521
10522 assert!(
10523 state.position_map.scroll_max.x == 0.,
10524 "Soft wrapped editor should have no horizontal scrolling!"
10525 );
10526 }
10527 }
10528
10529 #[gpui::test]
10530 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10531 init_test(cx, |_| {});
10532
10533 let window = cx.add_window(|window, cx| {
10534 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10535 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10536 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10537 editor
10538 });
10539 let cx = &mut VisualTestContext::from_window(*window, cx);
10540 let editor = window.root(cx).unwrap();
10541 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10542
10543 for x in 1..=100 {
10544 let (_, state) = cx.draw(
10545 Default::default(),
10546 size(px(200. + 0.13 * x as f32), px(500.)),
10547 |_, _| EditorElement::new(&editor, style.clone()),
10548 );
10549
10550 assert!(
10551 state.position_map.scroll_max.x == 0.,
10552 "Soft wrapped editor should have no horizontal scrolling!"
10553 );
10554 }
10555 }
10556
10557 #[gpui::test]
10558 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10559 init_test(cx, |_| {});
10560 let window = cx.add_window(|window, cx| {
10561 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10562 Editor::new(EditorMode::full(), buffer, None, window, cx)
10563 });
10564
10565 let editor = window.root(cx).unwrap();
10566 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10567 let line_height = window
10568 .update(cx, |_, window, _| {
10569 style.text.line_height_in_pixels(window.rem_size())
10570 })
10571 .unwrap();
10572 let element = EditorElement::new(&editor, style);
10573 let snapshot = window
10574 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10575 .unwrap();
10576
10577 let layouts = cx
10578 .update_window(*window, |_, window, cx| {
10579 element.layout_line_numbers(
10580 None,
10581 GutterDimensions {
10582 left_padding: Pixels::ZERO,
10583 right_padding: Pixels::ZERO,
10584 width: px(30.0),
10585 margin: Pixels::ZERO,
10586 git_blame_entries_width: None,
10587 },
10588 line_height,
10589 gpui::Point::default(),
10590 DisplayRow(0)..DisplayRow(6),
10591 &(0..6)
10592 .map(|row| RowInfo {
10593 buffer_row: Some(row),
10594 ..Default::default()
10595 })
10596 .collect::<Vec<_>>(),
10597 &BTreeMap::default(),
10598 Some(DisplayPoint::new(DisplayRow(0), 0)),
10599 &snapshot,
10600 window,
10601 cx,
10602 )
10603 })
10604 .unwrap();
10605 assert_eq!(layouts.len(), 6);
10606
10607 let relative_rows = window
10608 .update(cx, |editor, window, cx| {
10609 let snapshot = editor.snapshot(window, cx);
10610 element.calculate_relative_line_numbers(
10611 &snapshot,
10612 &(DisplayRow(0)..DisplayRow(6)),
10613 Some(DisplayRow(3)),
10614 )
10615 })
10616 .unwrap();
10617 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10618 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10619 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10620 // current line has no relative number
10621 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10622 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10623
10624 // works if cursor is before screen
10625 let relative_rows = window
10626 .update(cx, |editor, window, cx| {
10627 let snapshot = editor.snapshot(window, cx);
10628 element.calculate_relative_line_numbers(
10629 &snapshot,
10630 &(DisplayRow(3)..DisplayRow(6)),
10631 Some(DisplayRow(1)),
10632 )
10633 })
10634 .unwrap();
10635 assert_eq!(relative_rows.len(), 3);
10636 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10637 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10638 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10639
10640 // works if cursor is after screen
10641 let relative_rows = window
10642 .update(cx, |editor, window, cx| {
10643 let snapshot = editor.snapshot(window, cx);
10644 element.calculate_relative_line_numbers(
10645 &snapshot,
10646 &(DisplayRow(0)..DisplayRow(3)),
10647 Some(DisplayRow(6)),
10648 )
10649 })
10650 .unwrap();
10651 assert_eq!(relative_rows.len(), 3);
10652 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10653 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10654 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10655 }
10656
10657 #[gpui::test]
10658 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10659 init_test(cx, |_| {});
10660
10661 let window = cx.add_window(|window, cx| {
10662 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10663 Editor::new(EditorMode::full(), buffer, None, window, cx)
10664 });
10665 let cx = &mut VisualTestContext::from_window(*window, cx);
10666 let editor = window.root(cx).unwrap();
10667 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10668
10669 window
10670 .update(cx, |editor, window, cx| {
10671 editor.cursor_shape = CursorShape::Block;
10672 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10673 s.select_ranges([
10674 Point::new(0, 0)..Point::new(1, 0),
10675 Point::new(3, 2)..Point::new(3, 3),
10676 Point::new(5, 6)..Point::new(6, 0),
10677 ]);
10678 });
10679 })
10680 .unwrap();
10681
10682 let (_, state) = cx.draw(
10683 point(px(500.), px(500.)),
10684 size(px(500.), px(500.)),
10685 |_, _| EditorElement::new(&editor, style),
10686 );
10687
10688 assert_eq!(state.selections.len(), 1);
10689 let local_selections = &state.selections[0].1;
10690 assert_eq!(local_selections.len(), 3);
10691 // moves cursor back one line
10692 assert_eq!(
10693 local_selections[0].head,
10694 DisplayPoint::new(DisplayRow(0), 6)
10695 );
10696 assert_eq!(
10697 local_selections[0].range,
10698 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10699 );
10700
10701 // moves cursor back one column
10702 assert_eq!(
10703 local_selections[1].range,
10704 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10705 );
10706 assert_eq!(
10707 local_selections[1].head,
10708 DisplayPoint::new(DisplayRow(3), 2)
10709 );
10710
10711 // leaves cursor on the max point
10712 assert_eq!(
10713 local_selections[2].range,
10714 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10715 );
10716 assert_eq!(
10717 local_selections[2].head,
10718 DisplayPoint::new(DisplayRow(6), 0)
10719 );
10720
10721 // active lines does not include 1 (even though the range of the selection does)
10722 assert_eq!(
10723 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10724 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10725 );
10726 }
10727
10728 #[gpui::test]
10729 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10730 init_test(cx, |_| {});
10731
10732 let window = cx.add_window(|window, cx| {
10733 let buffer = MultiBuffer::build_simple("", cx);
10734 Editor::new(EditorMode::full(), buffer, None, window, cx)
10735 });
10736 let cx = &mut VisualTestContext::from_window(*window, cx);
10737 let editor = window.root(cx).unwrap();
10738 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10739 window
10740 .update(cx, |editor, window, cx| {
10741 editor.set_placeholder_text("hello", cx);
10742 editor.insert_blocks(
10743 [BlockProperties {
10744 style: BlockStyle::Fixed,
10745 placement: BlockPlacement::Above(Anchor::min()),
10746 height: Some(3),
10747 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10748 priority: 0,
10749 }],
10750 None,
10751 cx,
10752 );
10753
10754 // Blur the editor so that it displays placeholder text.
10755 window.blur();
10756 })
10757 .unwrap();
10758
10759 let (_, state) = cx.draw(
10760 point(px(500.), px(500.)),
10761 size(px(500.), px(500.)),
10762 |_, _| EditorElement::new(&editor, style),
10763 );
10764 assert_eq!(state.position_map.line_layouts.len(), 4);
10765 assert_eq!(state.line_numbers.len(), 1);
10766 assert_eq!(
10767 state
10768 .line_numbers
10769 .get(&MultiBufferRow(0))
10770 .map(|line_number| line_number.shaped_line.text.as_ref()),
10771 Some("1")
10772 );
10773 }
10774
10775 #[gpui::test]
10776 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10777 const TAB_SIZE: u32 = 4;
10778
10779 let input_text = "\t \t|\t| a b";
10780 let expected_invisibles = vec![
10781 Invisible::Tab {
10782 line_start_offset: 0,
10783 line_end_offset: TAB_SIZE as usize,
10784 },
10785 Invisible::Whitespace {
10786 line_offset: TAB_SIZE as usize,
10787 },
10788 Invisible::Tab {
10789 line_start_offset: TAB_SIZE as usize + 1,
10790 line_end_offset: TAB_SIZE as usize * 2,
10791 },
10792 Invisible::Tab {
10793 line_start_offset: TAB_SIZE as usize * 2 + 1,
10794 line_end_offset: TAB_SIZE as usize * 3,
10795 },
10796 Invisible::Whitespace {
10797 line_offset: TAB_SIZE as usize * 3 + 1,
10798 },
10799 Invisible::Whitespace {
10800 line_offset: TAB_SIZE as usize * 3 + 3,
10801 },
10802 ];
10803 assert_eq!(
10804 expected_invisibles.len(),
10805 input_text
10806 .chars()
10807 .filter(|initial_char| initial_char.is_whitespace())
10808 .count(),
10809 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10810 );
10811
10812 for show_line_numbers in [true, false] {
10813 init_test(cx, |s| {
10814 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10815 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10816 });
10817
10818 let actual_invisibles = collect_invisibles_from_new_editor(
10819 cx,
10820 EditorMode::full(),
10821 input_text,
10822 px(500.0),
10823 show_line_numbers,
10824 );
10825
10826 assert_eq!(expected_invisibles, actual_invisibles);
10827 }
10828 }
10829
10830 #[gpui::test]
10831 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10832 init_test(cx, |s| {
10833 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10834 s.defaults.tab_size = NonZeroU32::new(4);
10835 });
10836
10837 for editor_mode_without_invisibles in [
10838 EditorMode::SingleLine,
10839 EditorMode::AutoHeight {
10840 min_lines: 1,
10841 max_lines: Some(100),
10842 },
10843 ] {
10844 for show_line_numbers in [true, false] {
10845 let invisibles = collect_invisibles_from_new_editor(
10846 cx,
10847 editor_mode_without_invisibles.clone(),
10848 "\t\t\t| | a b",
10849 px(500.0),
10850 show_line_numbers,
10851 );
10852 assert!(
10853 invisibles.is_empty(),
10854 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10855 );
10856 }
10857 }
10858 }
10859
10860 #[gpui::test]
10861 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10862 let tab_size = 4;
10863 let input_text = "a\tbcd ".repeat(9);
10864 let repeated_invisibles = [
10865 Invisible::Tab {
10866 line_start_offset: 1,
10867 line_end_offset: tab_size as usize,
10868 },
10869 Invisible::Whitespace {
10870 line_offset: tab_size as usize + 3,
10871 },
10872 Invisible::Whitespace {
10873 line_offset: tab_size as usize + 4,
10874 },
10875 Invisible::Whitespace {
10876 line_offset: tab_size as usize + 5,
10877 },
10878 Invisible::Whitespace {
10879 line_offset: tab_size as usize + 6,
10880 },
10881 Invisible::Whitespace {
10882 line_offset: tab_size as usize + 7,
10883 },
10884 ];
10885 let expected_invisibles = std::iter::once(repeated_invisibles)
10886 .cycle()
10887 .take(9)
10888 .flatten()
10889 .collect::<Vec<_>>();
10890 assert_eq!(
10891 expected_invisibles.len(),
10892 input_text
10893 .chars()
10894 .filter(|initial_char| initial_char.is_whitespace())
10895 .count(),
10896 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10897 );
10898 info!("Expected invisibles: {expected_invisibles:?}");
10899
10900 init_test(cx, |_| {});
10901
10902 // Put the same string with repeating whitespace pattern into editors of various size,
10903 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10904 let resize_step = 10.0;
10905 let mut editor_width = 200.0;
10906 while editor_width <= 1000.0 {
10907 for show_line_numbers in [true, false] {
10908 update_test_language_settings(cx, |s| {
10909 s.defaults.tab_size = NonZeroU32::new(tab_size);
10910 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10911 s.defaults.preferred_line_length = Some(editor_width as u32);
10912 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10913 });
10914
10915 let actual_invisibles = collect_invisibles_from_new_editor(
10916 cx,
10917 EditorMode::full(),
10918 &input_text,
10919 px(editor_width),
10920 show_line_numbers,
10921 );
10922
10923 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10924 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10925 let mut i = 0;
10926 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10927 i = actual_index;
10928 match expected_invisibles.get(i) {
10929 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10930 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10931 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10932 _ => {
10933 panic!(
10934 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10935 )
10936 }
10937 },
10938 None => {
10939 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10940 }
10941 }
10942 }
10943 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10944 assert!(
10945 missing_expected_invisibles.is_empty(),
10946 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10947 );
10948
10949 editor_width += resize_step;
10950 }
10951 }
10952 }
10953
10954 fn collect_invisibles_from_new_editor(
10955 cx: &mut TestAppContext,
10956 editor_mode: EditorMode,
10957 input_text: &str,
10958 editor_width: Pixels,
10959 show_line_numbers: bool,
10960 ) -> Vec<Invisible> {
10961 info!(
10962 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10963 editor_width.0
10964 );
10965 let window = cx.add_window(|window, cx| {
10966 let buffer = MultiBuffer::build_simple(input_text, cx);
10967 Editor::new(editor_mode, buffer, None, window, cx)
10968 });
10969 let cx = &mut VisualTestContext::from_window(*window, cx);
10970 let editor = window.root(cx).unwrap();
10971
10972 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10973 window
10974 .update(cx, |editor, _, cx| {
10975 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10976 editor.set_wrap_width(Some(editor_width), cx);
10977 editor.set_show_line_numbers(show_line_numbers, cx);
10978 })
10979 .unwrap();
10980 let (_, state) = cx.draw(
10981 point(px(500.), px(500.)),
10982 size(px(500.), px(500.)),
10983 |_, _| EditorElement::new(&editor, style),
10984 );
10985 state
10986 .position_map
10987 .line_layouts
10988 .iter()
10989 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10990 .cloned()
10991 .collect()
10992 }
10993
10994 #[gpui::test]
10995 fn test_merge_overlapping_ranges() {
10996 let base_bg = Hsla::white();
10997 let color1 = Hsla {
10998 h: 0.0,
10999 s: 0.5,
11000 l: 0.5,
11001 a: 0.5,
11002 };
11003 let color2 = Hsla {
11004 h: 120.0,
11005 s: 0.5,
11006 l: 0.5,
11007 a: 0.5,
11008 };
11009
11010 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11011 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11012 v.iter()
11013 .map(|(r, _)| (r.start.column(), r.end.column()))
11014 .collect()
11015 };
11016
11017 // Test overlapping ranges blend colors
11018 let overlapping = vec![
11019 (display_point(5)..display_point(15), color1),
11020 (display_point(10)..display_point(20), color2),
11021 ];
11022 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11023 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11024
11025 // Test middle segment should have blended color
11026 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11027 assert_eq!(result[1].1, blended);
11028
11029 // Test adjacent same-color ranges merge
11030 let adjacent_same = vec![
11031 (display_point(5)..display_point(10), color1),
11032 (display_point(10)..display_point(15), color1),
11033 ];
11034 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11035 assert_eq!(cols(&result), vec![(5, 15)]);
11036
11037 // Test contained range splits
11038 let contained = vec![
11039 (display_point(5)..display_point(20), color1),
11040 (display_point(10)..display_point(15), color2),
11041 ];
11042 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11043 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11044
11045 // Test multiple overlaps split at every boundary
11046 let color3 = Hsla {
11047 h: 240.0,
11048 s: 0.5,
11049 l: 0.5,
11050 a: 0.5,
11051 };
11052 let complex = vec![
11053 (display_point(5)..display_point(12), color1),
11054 (display_point(8)..display_point(16), color2),
11055 (display_point(10)..display_point(14), color3),
11056 ];
11057 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11058 assert_eq!(
11059 cols(&result),
11060 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11061 );
11062 }
11063
11064 #[gpui::test]
11065 fn test_bg_segments_per_row() {
11066 let base_bg = Hsla::white();
11067
11068 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11069 {
11070 let selection_color = Hsla {
11071 h: 200.0,
11072 s: 0.5,
11073 l: 0.5,
11074 a: 0.5,
11075 };
11076 let player_color = PlayerColor {
11077 cursor: selection_color,
11078 background: selection_color,
11079 selection: selection_color,
11080 };
11081
11082 let spanning_selection = SelectionLayout {
11083 head: DisplayPoint::new(DisplayRow(3), 7),
11084 cursor_shape: CursorShape::Bar,
11085 is_newest: true,
11086 is_local: true,
11087 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11088 active_rows: DisplayRow(1)..DisplayRow(4),
11089 user_name: None,
11090 };
11091
11092 let selections = vec![(player_color, vec![spanning_selection])];
11093 let result = EditorElement::bg_segments_per_row(
11094 DisplayRow(0)..DisplayRow(5),
11095 &selections,
11096 &[],
11097 base_bg,
11098 );
11099
11100 assert_eq!(result.len(), 5);
11101 assert!(result[0].is_empty());
11102 assert_eq!(result[1].len(), 1);
11103 assert_eq!(result[2].len(), 1);
11104 assert_eq!(result[3].len(), 1);
11105 assert!(result[4].is_empty());
11106
11107 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11108 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11109 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11110 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11111 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11112 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11113 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11114 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11115 }
11116
11117 // Case B: selection ends exactly at the start of row 3, excluding row 3
11118 {
11119 let selection_color = Hsla {
11120 h: 120.0,
11121 s: 0.5,
11122 l: 0.5,
11123 a: 0.5,
11124 };
11125 let player_color = PlayerColor {
11126 cursor: selection_color,
11127 background: selection_color,
11128 selection: selection_color,
11129 };
11130
11131 let selection = SelectionLayout {
11132 head: DisplayPoint::new(DisplayRow(2), 0),
11133 cursor_shape: CursorShape::Bar,
11134 is_newest: true,
11135 is_local: true,
11136 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11137 active_rows: DisplayRow(1)..DisplayRow(3),
11138 user_name: None,
11139 };
11140
11141 let selections = vec![(player_color, vec![selection])];
11142 let result = EditorElement::bg_segments_per_row(
11143 DisplayRow(0)..DisplayRow(4),
11144 &selections,
11145 &[],
11146 base_bg,
11147 );
11148
11149 assert_eq!(result.len(), 4);
11150 assert!(result[0].is_empty());
11151 assert_eq!(result[1].len(), 1);
11152 assert_eq!(result[2].len(), 1);
11153 assert!(result[3].is_empty());
11154
11155 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11156 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11157 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11158 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11159 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11160 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11161 }
11162 }
11163
11164 #[cfg(test)]
11165 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11166 TextRun {
11167 len,
11168 font: gpui::font(".SystemUIFont"),
11169 color,
11170 background_color: None,
11171 underline: None,
11172 strikethrough: None,
11173 }
11174 }
11175
11176 #[gpui::test]
11177 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11178 init_test(cx, |_| {});
11179
11180 let text_color = Hsla {
11181 h: 210.0,
11182 s: 0.1,
11183 l: 0.4,
11184 a: 1.0,
11185 };
11186 let bg1 = Hsla {
11187 h: 30.0,
11188 s: 0.6,
11189 l: 0.8,
11190 a: 1.0,
11191 };
11192 let bg2 = Hsla {
11193 h: 200.0,
11194 s: 0.6,
11195 l: 0.2,
11196 a: 1.0,
11197 };
11198 let min_contrast = 45.0;
11199
11200 // Case A: single run; disjoint segments inside the run
11201 let runs = vec![generate_test_run(20, text_color)];
11202 let segs = vec![
11203 (
11204 DisplayPoint::new(DisplayRow(0), 5)..DisplayPoint::new(DisplayRow(0), 10),
11205 bg1,
11206 ),
11207 (
11208 DisplayPoint::new(DisplayRow(0), 12)..DisplayPoint::new(DisplayRow(0), 16),
11209 bg2,
11210 ),
11211 ];
11212 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11213 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11214 assert_eq!(
11215 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11216 vec![5, 5, 2, 4, 4]
11217 );
11218 assert_eq!(out[0].color, text_color);
11219 assert_eq!(
11220 out[1].color,
11221 ensure_minimum_contrast(text_color, bg1, min_contrast)
11222 );
11223 assert_eq!(out[2].color, text_color);
11224 assert_eq!(
11225 out[3].color,
11226 ensure_minimum_contrast(text_color, bg2, min_contrast)
11227 );
11228 assert_eq!(out[4].color, text_color);
11229
11230 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11231 let runs = vec![
11232 generate_test_run(8, text_color),
11233 generate_test_run(7, text_color),
11234 ];
11235 let segs = vec![(
11236 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), u32::MAX),
11237 bg1,
11238 )];
11239 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11240 // Expected slices across runs: [0,6) [6,8) | [0,7)
11241 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11242 let adjusted = ensure_minimum_contrast(text_color, bg1, min_contrast);
11243 assert_eq!(out[0].color, text_color);
11244 assert_eq!(out[1].color, adjusted);
11245 assert_eq!(out[2].color, adjusted);
11246
11247 // Case C: multi-byte characters
11248 // for text: "Hello π δΈη!"
11249 let runs = vec![
11250 generate_test_run(5, text_color), // "Hello"
11251 generate_test_run(6, text_color), // " π "
11252 generate_test_run(6, text_color), // "δΈη"
11253 generate_test_run(1, text_color), // "!"
11254 ];
11255 // selecting "π δΈ"
11256 let segs = vec![(
11257 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), 14),
11258 bg1,
11259 )];
11260 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11261 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11262 assert_eq!(
11263 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11264 vec![5, 1, 5, 3, 3, 1]
11265 );
11266 assert_eq!(out[0].color, text_color); // "Hello"
11267 assert_eq!(
11268 out[2].color,
11269 ensure_minimum_contrast(text_color, bg1, min_contrast)
11270 ); // "π "
11271 assert_eq!(
11272 out[3].color,
11273 ensure_minimum_contrast(text_color, bg1, min_contrast)
11274 ); // "δΈ"
11275 assert_eq!(out[4].color, text_color); // "η"
11276 assert_eq!(out[5].color, text_color); // "!"
11277 }
11278}