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,
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::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::toggle_soft_wrap);
462 register_action(editor, window, Editor::toggle_tab_bar);
463 register_action(editor, window, Editor::toggle_line_numbers);
464 register_action(editor, window, Editor::toggle_relative_line_numbers);
465 register_action(editor, window, Editor::toggle_indent_guides);
466 register_action(editor, window, Editor::toggle_inlay_hints);
467 register_action(editor, window, Editor::toggle_edit_predictions);
468 if editor.read(cx).diagnostics_enabled() {
469 register_action(editor, window, Editor::toggle_diagnostics);
470 }
471 if editor.read(cx).inline_diagnostics_enabled() {
472 register_action(editor, window, Editor::toggle_inline_diagnostics);
473 }
474 if editor.read(cx).supports_minimap(cx) {
475 register_action(editor, window, Editor::toggle_minimap);
476 }
477 register_action(editor, window, hover_popover::hover);
478 register_action(editor, window, Editor::reveal_in_finder);
479 register_action(editor, window, Editor::copy_path);
480 register_action(editor, window, Editor::copy_relative_path);
481 register_action(editor, window, Editor::copy_file_name);
482 register_action(editor, window, Editor::copy_file_name_without_extension);
483 register_action(editor, window, Editor::copy_highlight_json);
484 register_action(editor, window, Editor::copy_permalink_to_line);
485 register_action(editor, window, Editor::open_permalink_to_line);
486 register_action(editor, window, Editor::copy_file_location);
487 register_action(editor, window, Editor::toggle_git_blame);
488 register_action(editor, window, Editor::toggle_git_blame_inline);
489 register_action(editor, window, Editor::open_git_blame_commit);
490 register_action(editor, window, Editor::toggle_selected_diff_hunks);
491 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
492 register_action(editor, window, Editor::stage_and_next);
493 register_action(editor, window, Editor::unstage_and_next);
494 register_action(editor, window, Editor::expand_all_diff_hunks);
495 register_action(editor, window, Editor::collapse_all_diff_hunks);
496 register_action(editor, window, Editor::go_to_previous_change);
497 register_action(editor, window, Editor::go_to_next_change);
498 register_action(editor, window, Editor::go_to_prev_reference);
499 register_action(editor, window, Editor::go_to_next_reference);
500
501 register_action(editor, window, |editor, action, window, cx| {
502 if let Some(task) = editor.format(action, window, cx) {
503 task.detach_and_notify_err(window, cx);
504 } else {
505 cx.propagate();
506 }
507 });
508 register_action(editor, window, |editor, action, window, cx| {
509 if let Some(task) = editor.format_selections(action, window, cx) {
510 task.detach_and_notify_err(window, cx);
511 } else {
512 cx.propagate();
513 }
514 });
515 register_action(editor, window, |editor, action, window, cx| {
516 if let Some(task) = editor.organize_imports(action, window, cx) {
517 task.detach_and_notify_err(window, cx);
518 } else {
519 cx.propagate();
520 }
521 });
522 register_action(editor, window, Editor::restart_language_server);
523 register_action(editor, window, Editor::stop_language_server);
524 register_action(editor, window, Editor::show_character_palette);
525 register_action(editor, window, |editor, action, window, cx| {
526 if let Some(task) = editor.confirm_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_completion_replace(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.confirm_completion_insert(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.compose_completion(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.confirm_code_action(action, window, cx) {
555 task.detach_and_notify_err(window, cx);
556 } else {
557 cx.propagate();
558 }
559 });
560 register_action(editor, window, |editor, action, window, cx| {
561 if let Some(task) = editor.rename(action, window, cx) {
562 task.detach_and_notify_err(window, cx);
563 } else {
564 cx.propagate();
565 }
566 });
567 register_action(editor, window, |editor, action, window, cx| {
568 if let Some(task) = editor.confirm_rename(action, window, cx) {
569 task.detach_and_notify_err(window, cx);
570 } else {
571 cx.propagate();
572 }
573 });
574 register_action(editor, window, |editor, action, window, cx| {
575 if let Some(task) = editor.find_all_references(action, window, cx) {
576 task.detach_and_log_err(cx);
577 } else {
578 cx.propagate();
579 }
580 });
581 register_action(editor, window, Editor::show_signature_help);
582 register_action(editor, window, Editor::signature_help_prev);
583 register_action(editor, window, Editor::signature_help_next);
584 register_action(editor, window, Editor::next_edit_prediction);
585 register_action(editor, window, Editor::previous_edit_prediction);
586 register_action(editor, window, Editor::show_edit_prediction);
587 register_action(editor, window, Editor::context_menu_first);
588 register_action(editor, window, Editor::context_menu_prev);
589 register_action(editor, window, Editor::context_menu_next);
590 register_action(editor, window, Editor::context_menu_last);
591 register_action(editor, window, Editor::display_cursor_names);
592 register_action(editor, window, Editor::unique_lines_case_insensitive);
593 register_action(editor, window, Editor::unique_lines_case_sensitive);
594 register_action(editor, window, Editor::accept_partial_edit_prediction);
595 register_action(editor, window, Editor::accept_edit_prediction);
596 register_action(editor, window, Editor::restore_file);
597 register_action(editor, window, Editor::git_restore);
598 register_action(editor, window, Editor::apply_all_diff_hunks);
599 register_action(editor, window, Editor::apply_selected_diff_hunks);
600 register_action(editor, window, Editor::open_active_item_in_terminal);
601 register_action(editor, window, Editor::reload_file);
602 register_action(editor, window, Editor::spawn_nearest_task);
603 register_action(editor, window, Editor::insert_uuid_v4);
604 register_action(editor, window, Editor::insert_uuid_v7);
605 register_action(editor, window, Editor::open_selections_in_multibuffer);
606 register_action(editor, window, Editor::toggle_breakpoint);
607 register_action(editor, window, Editor::edit_log_breakpoint);
608 register_action(editor, window, Editor::enable_breakpoint);
609 register_action(editor, window, Editor::disable_breakpoint);
610 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
611 register_action(editor, window, Editor::wrap_selections_in_tag);
612 }
613 }
614
615 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
616 let position_map = layout.position_map.clone();
617 window.on_key_event({
618 let editor = self.editor.clone();
619 move |event: &ModifiersChangedEvent, phase, window, cx| {
620 if phase != DispatchPhase::Bubble {
621 return;
622 }
623 editor.update(cx, |editor, cx| {
624 let inlay_hint_settings = inlay_hint_settings(
625 editor.selections.newest_anchor().head(),
626 &editor.buffer.read(cx).snapshot(cx),
627 cx,
628 );
629
630 if let Some(inlay_modifiers) = inlay_hint_settings
631 .toggle_on_modifiers_press
632 .as_ref()
633 .filter(|modifiers| modifiers.modified())
634 {
635 editor.refresh_inlay_hints(
636 InlayHintRefreshReason::ModifiersChanged(
637 inlay_modifiers == &event.modifiers,
638 ),
639 cx,
640 );
641 }
642
643 if editor.hover_state.focused(window, cx) {
644 return;
645 }
646
647 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
648 })
649 }
650 });
651 }
652
653 fn mouse_left_down(
654 editor: &mut Editor,
655 event: &MouseDownEvent,
656 position_map: &PositionMap,
657 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
658 window: &mut Window,
659 cx: &mut Context<Editor>,
660 ) {
661 if window.default_prevented() {
662 return;
663 }
664
665 let text_hitbox = &position_map.text_hitbox;
666 let gutter_hitbox = &position_map.gutter_hitbox;
667 let point_for_position = position_map.point_for_position(event.position);
668 let mut click_count = event.click_count;
669 let mut modifiers = event.modifiers;
670
671 if let Some(hovered_hunk) =
672 position_map
673 .display_hunks
674 .iter()
675 .find_map(|(hunk, hunk_hitbox)| match hunk {
676 DisplayDiffHunk::Folded { .. } => None,
677 DisplayDiffHunk::Unfolded {
678 multi_buffer_range, ..
679 } => hunk_hitbox
680 .as_ref()
681 .is_some_and(|hitbox| hitbox.is_hovered(window))
682 .then(|| multi_buffer_range.clone()),
683 })
684 {
685 editor.toggle_single_diff_hunk(hovered_hunk, cx);
686 cx.notify();
687 return;
688 } else if gutter_hitbox.is_hovered(window) {
689 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
690 } else if !text_hitbox.is_hovered(window) {
691 return;
692 }
693
694 if EditorSettings::get_global(cx)
695 .drag_and_drop_selection
696 .enabled
697 && click_count == 1
698 && !modifiers.shift
699 {
700 let newest_anchor = editor.selections.newest_anchor();
701 let snapshot = editor.snapshot(window, cx);
702 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
703 if point_for_position.intersects_selection(&selection) {
704 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
705 selection: newest_anchor.clone(),
706 click_position: event.position,
707 mouse_down_time: Instant::now(),
708 };
709 cx.stop_propagation();
710 return;
711 }
712 }
713
714 let is_singleton = editor.buffer().read(cx).is_singleton();
715
716 if click_count == 2 && !is_singleton {
717 match EditorSettings::get_global(cx).double_click_in_multibuffer {
718 DoubleClickInMultibuffer::Select => {
719 // do nothing special on double click, all selection logic is below
720 }
721 DoubleClickInMultibuffer::Open => {
722 if modifiers.alt {
723 // if double click is made with alt, pretend it's a regular double click without opening and alt,
724 // and run the selection logic.
725 modifiers.alt = false;
726 } else {
727 let scroll_position_row = position_map.scroll_position.y;
728 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
729 / position_map.line_height)
730 as f64
731 + position_map.scroll_position.y)
732 as u32;
733 let multi_buffer_row = position_map
734 .snapshot
735 .display_point_to_point(
736 DisplayPoint::new(DisplayRow(display_row), 0),
737 Bias::Right,
738 )
739 .row;
740 let line_offset_from_top = display_row - scroll_position_row as u32;
741 // if double click is made without alt, open the corresponding excerp
742 editor.open_excerpts_common(
743 Some(JumpData::MultiBufferRow {
744 row: MultiBufferRow(multi_buffer_row),
745 line_offset_from_top,
746 }),
747 false,
748 window,
749 cx,
750 );
751 return;
752 }
753 }
754 }
755 }
756
757 if !is_singleton {
758 let display_row = (ScrollPixelOffset::from(
759 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
760 ) + position_map.scroll_position.y) as u32;
761 let multi_buffer_row = position_map
762 .snapshot
763 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
764 .row;
765 if line_numbers
766 .get(&MultiBufferRow(multi_buffer_row))
767 .is_some_and(|line_layout| {
768 line_layout.segments.iter().any(|segment| {
769 segment
770 .hitbox
771 .as_ref()
772 .is_some_and(|hitbox| hitbox.contains(&event.position))
773 })
774 })
775 {
776 let line_offset_from_top = display_row - position_map.scroll_position.y 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 return;
789 }
790 }
791
792 let position = point_for_position.previous_valid;
793 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
794 editor.select(
795 SelectPhase::BeginColumnar {
796 position,
797 reset: match mode {
798 ColumnarMode::FromMouse => true,
799 ColumnarMode::FromSelection => false,
800 },
801 mode,
802 goal_column: point_for_position.exact_unclipped.column(),
803 },
804 window,
805 cx,
806 );
807 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
808 {
809 editor.select(
810 SelectPhase::Extend {
811 position,
812 click_count,
813 },
814 window,
815 cx,
816 );
817 } else {
818 editor.select(
819 SelectPhase::Begin {
820 position,
821 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
822 click_count,
823 },
824 window,
825 cx,
826 );
827 }
828 cx.stop_propagation();
829 }
830
831 fn mouse_right_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.gutter_hitbox.is_hovered(window) {
839 let gutter_right_padding = editor.gutter_dimensions.right_padding;
840 let hitbox = &position_map.gutter_hitbox;
841
842 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
843 let point_for_position = position_map.point_for_position(event.position);
844 editor.set_breakpoint_context_menu(
845 point_for_position.previous_valid.row(),
846 None,
847 event.position,
848 window,
849 cx,
850 );
851 }
852 return;
853 }
854
855 if !position_map.text_hitbox.is_hovered(window) {
856 return;
857 }
858
859 let point_for_position = position_map.point_for_position(event.position);
860 mouse_context_menu::deploy_context_menu(
861 editor,
862 Some(event.position),
863 point_for_position.previous_valid,
864 window,
865 cx,
866 );
867 cx.stop_propagation();
868 }
869
870 fn mouse_middle_down(
871 editor: &mut Editor,
872 event: &MouseDownEvent,
873 position_map: &PositionMap,
874 window: &mut Window,
875 cx: &mut Context<Editor>,
876 ) {
877 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
878 return;
879 }
880
881 let point_for_position = position_map.point_for_position(event.position);
882 let position = point_for_position.previous_valid;
883
884 editor.select(
885 SelectPhase::BeginColumnar {
886 position,
887 reset: true,
888 mode: ColumnarMode::FromMouse,
889 goal_column: point_for_position.exact_unclipped.column(),
890 },
891 window,
892 cx,
893 );
894 }
895
896 fn mouse_up(
897 editor: &mut Editor,
898 event: &MouseUpEvent,
899 position_map: &PositionMap,
900 window: &mut Window,
901 cx: &mut Context<Editor>,
902 ) {
903 let text_hitbox = &position_map.text_hitbox;
904 let end_selection = editor.has_pending_selection();
905 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
906 let point_for_position = position_map.point_for_position(event.position);
907
908 match editor.selection_drag_state {
909 SelectionDragState::ReadyToDrag {
910 selection: _,
911 ref click_position,
912 mouse_down_time: _,
913 } => {
914 if event.position == *click_position {
915 editor.select(
916 SelectPhase::Begin {
917 position: point_for_position.previous_valid,
918 add: false,
919 click_count: 1, // ready to drag state only occurs on click count 1
920 },
921 window,
922 cx,
923 );
924 editor.selection_drag_state = SelectionDragState::None;
925 cx.stop_propagation();
926 return;
927 } else {
928 debug_panic!("drag state can never be in ready state after drag")
929 }
930 }
931 SelectionDragState::Dragging { ref selection, .. } => {
932 let snapshot = editor.snapshot(window, cx);
933 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
934 if !point_for_position.intersects_selection(&selection_display)
935 && text_hitbox.is_hovered(window)
936 {
937 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
938 || cfg!(not(target_os = "macos")) && event.modifiers.control);
939 editor.move_selection_on_drop(
940 &selection.clone(),
941 point_for_position.previous_valid,
942 is_cut,
943 window,
944 cx,
945 );
946 }
947 editor.selection_drag_state = SelectionDragState::None;
948 cx.stop_propagation();
949 cx.notify();
950 return;
951 }
952 _ => {}
953 }
954
955 if end_selection {
956 editor.select(SelectPhase::End, window, cx);
957 }
958
959 if end_selection && pending_nonempty_selections {
960 cx.stop_propagation();
961 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
962 && event.button == MouseButton::Middle
963 {
964 #[allow(
965 clippy::collapsible_if,
966 clippy::needless_return,
967 reason = "The cfg-block below makes this a false positive"
968 )]
969 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
970 return;
971 }
972
973 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
974 if EditorSettings::get_global(cx).middle_click_paste {
975 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
976 let point_for_position = position_map.point_for_position(event.position);
977 let position = point_for_position.previous_valid;
978
979 editor.select(
980 SelectPhase::Begin {
981 position,
982 add: false,
983 click_count: 1,
984 },
985 window,
986 cx,
987 );
988 editor.insert(&text, window, cx);
989 }
990 cx.stop_propagation()
991 }
992 }
993 }
994
995 fn click(
996 editor: &mut Editor,
997 event: &ClickEvent,
998 position_map: &PositionMap,
999 window: &mut Window,
1000 cx: &mut Context<Editor>,
1001 ) {
1002 let text_hitbox = &position_map.text_hitbox;
1003 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1004
1005 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
1006
1007 if let Some(mouse_position) = event.mouse_position()
1008 && !pending_nonempty_selections
1009 && hovered_link_modifier
1010 && text_hitbox.is_hovered(window)
1011 {
1012 let point = position_map.point_for_position(mouse_position);
1013 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1014 editor.selection_drag_state = SelectionDragState::None;
1015
1016 cx.stop_propagation();
1017 }
1018 }
1019
1020 fn mouse_dragged(
1021 editor: &mut Editor,
1022 event: &MouseMoveEvent,
1023 position_map: &PositionMap,
1024 window: &mut Window,
1025 cx: &mut Context<Editor>,
1026 ) {
1027 if !editor.has_pending_selection()
1028 && matches!(editor.selection_drag_state, SelectionDragState::None)
1029 {
1030 return;
1031 }
1032
1033 let point_for_position = position_map.point_for_position(event.position);
1034 let text_hitbox = &position_map.text_hitbox;
1035
1036 let scroll_delta = {
1037 let text_bounds = text_hitbox.bounds;
1038 let mut scroll_delta = gpui::Point::<f32>::default();
1039 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1040 let top = text_bounds.origin.y + vertical_margin;
1041 let bottom = text_bounds.bottom_left().y - vertical_margin;
1042 if event.position.y < top {
1043 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1044 }
1045 if event.position.y > bottom {
1046 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1047 }
1048
1049 // We need horizontal width of text
1050 let style = editor.style.clone().unwrap_or_default();
1051 let font_id = window.text_system().resolve_font(&style.text.font());
1052 let font_size = style.text.font_size.to_pixels(window.rem_size());
1053 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1054
1055 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1056
1057 let scroll_space: Pixels = scroll_margin_x * em_width;
1058
1059 let left = text_bounds.origin.x + scroll_space;
1060 let right = text_bounds.top_right().x - scroll_space;
1061
1062 if event.position.x < left {
1063 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1064 }
1065 if event.position.x > right {
1066 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1067 }
1068 scroll_delta
1069 };
1070
1071 if !editor.has_pending_selection() {
1072 let drop_anchor = position_map
1073 .snapshot
1074 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1075 match editor.selection_drag_state {
1076 SelectionDragState::Dragging {
1077 ref mut drop_cursor,
1078 ref mut hide_drop_cursor,
1079 ..
1080 } => {
1081 drop_cursor.start = drop_anchor;
1082 drop_cursor.end = drop_anchor;
1083 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1084 editor.apply_scroll_delta(scroll_delta, window, cx);
1085 cx.notify();
1086 }
1087 SelectionDragState::ReadyToDrag {
1088 ref selection,
1089 ref click_position,
1090 ref mouse_down_time,
1091 } => {
1092 let drag_and_drop_delay = Duration::from_millis(
1093 EditorSettings::get_global(cx)
1094 .drag_and_drop_selection
1095 .delay
1096 .0,
1097 );
1098 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1099 let drop_cursor = Selection {
1100 id: post_inc(&mut editor.selections.next_selection_id()),
1101 start: drop_anchor,
1102 end: drop_anchor,
1103 reversed: false,
1104 goal: SelectionGoal::None,
1105 };
1106 editor.selection_drag_state = SelectionDragState::Dragging {
1107 selection: selection.clone(),
1108 drop_cursor,
1109 hide_drop_cursor: false,
1110 };
1111 editor.apply_scroll_delta(scroll_delta, window, cx);
1112 cx.notify();
1113 } else {
1114 let click_point = position_map.point_for_position(*click_position);
1115 editor.selection_drag_state = SelectionDragState::None;
1116 editor.select(
1117 SelectPhase::Begin {
1118 position: click_point.previous_valid,
1119 add: false,
1120 click_count: 1,
1121 },
1122 window,
1123 cx,
1124 );
1125 editor.select(
1126 SelectPhase::Update {
1127 position: point_for_position.previous_valid,
1128 goal_column: point_for_position.exact_unclipped.column(),
1129 scroll_delta,
1130 },
1131 window,
1132 cx,
1133 );
1134 }
1135 }
1136 _ => {}
1137 }
1138 } else {
1139 editor.select(
1140 SelectPhase::Update {
1141 position: point_for_position.previous_valid,
1142 goal_column: point_for_position.exact_unclipped.column(),
1143 scroll_delta,
1144 },
1145 window,
1146 cx,
1147 );
1148 }
1149 }
1150
1151 fn mouse_moved(
1152 editor: &mut Editor,
1153 event: &MouseMoveEvent,
1154 position_map: &PositionMap,
1155 window: &mut Window,
1156 cx: &mut Context<Editor>,
1157 ) {
1158 let text_hitbox = &position_map.text_hitbox;
1159 let gutter_hitbox = &position_map.gutter_hitbox;
1160 let modifiers = event.modifiers;
1161 let text_hovered = text_hitbox.is_hovered(window);
1162 let gutter_hovered = gutter_hitbox.is_hovered(window);
1163 editor.set_gutter_hovered(gutter_hovered, cx);
1164 editor.show_mouse_cursor(cx);
1165
1166 let point_for_position = position_map.point_for_position(event.position);
1167 let valid_point = point_for_position.previous_valid;
1168
1169 let hovered_diff_control = position_map
1170 .diff_hunk_control_bounds
1171 .iter()
1172 .find(|(_, bounds)| bounds.contains(&event.position))
1173 .map(|(row, _)| *row);
1174
1175 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1176 Some(control_row)
1177 } else if text_hovered {
1178 let current_row = valid_point.row();
1179 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1180 if let DisplayDiffHunk::Unfolded {
1181 display_row_range, ..
1182 } = hunk
1183 {
1184 if display_row_range.contains(¤t_row) {
1185 Some(display_row_range.start)
1186 } else {
1187 None
1188 }
1189 } else {
1190 None
1191 }
1192 })
1193 } else {
1194 None
1195 };
1196
1197 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1198 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1199 cx.notify();
1200 }
1201
1202 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1203 let mouse_over_inline_blame = bounds.contains(&event.position);
1204 let mouse_over_popover = editor
1205 .inline_blame_popover
1206 .as_ref()
1207 .and_then(|state| state.popover_bounds)
1208 .is_some_and(|bounds| bounds.contains(&event.position));
1209 let keyboard_grace = editor
1210 .inline_blame_popover
1211 .as_ref()
1212 .is_some_and(|state| state.keyboard_grace);
1213
1214 if mouse_over_inline_blame || mouse_over_popover {
1215 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1216 } else if !keyboard_grace {
1217 editor.hide_blame_popover(false, cx);
1218 }
1219 } else {
1220 editor.hide_blame_popover(false, cx);
1221 }
1222
1223 let breakpoint_indicator = if gutter_hovered {
1224 let buffer_anchor = position_map
1225 .snapshot
1226 .display_point_to_anchor(valid_point, Bias::Left);
1227
1228 if let Some((buffer_snapshot, file)) = position_map
1229 .snapshot
1230 .buffer_snapshot()
1231 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1232 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1233 {
1234 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1235
1236 let is_visible = editor
1237 .gutter_breakpoint_indicator
1238 .0
1239 .is_some_and(|indicator| indicator.is_active);
1240
1241 let has_existing_breakpoint =
1242 editor.breakpoint_store.as_ref().is_some_and(|store| {
1243 let Some(project) = &editor.project else {
1244 return false;
1245 };
1246 let Some(abs_path) = project.read(cx).absolute_path(
1247 &ProjectPath {
1248 path: file.path().clone(),
1249 worktree_id: file.worktree_id(cx),
1250 },
1251 cx,
1252 ) else {
1253 return false;
1254 };
1255 store
1256 .read(cx)
1257 .breakpoint_at_row(&abs_path, as_point.row, cx)
1258 .is_some()
1259 });
1260
1261 if !is_visible {
1262 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1263 cx.spawn(async move |this, cx| {
1264 cx.background_executor()
1265 .timer(Duration::from_millis(200))
1266 .await;
1267
1268 this.update(cx, |this, cx| {
1269 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1270 {
1271 indicator.is_active = true;
1272 cx.notify();
1273 }
1274 })
1275 .ok();
1276 })
1277 });
1278 }
1279
1280 Some(PhantomBreakpointIndicator {
1281 display_row: valid_point.row(),
1282 is_active: is_visible,
1283 collides_with_existing_breakpoint: has_existing_breakpoint,
1284 })
1285 } else {
1286 editor.gutter_breakpoint_indicator.1 = None;
1287 None
1288 }
1289 } else {
1290 editor.gutter_breakpoint_indicator.1 = None;
1291 None
1292 };
1293
1294 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1295 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1296 cx.notify();
1297 }
1298
1299 // Don't trigger hover popover if mouse is hovering over context menu
1300 if text_hovered {
1301 editor.update_hovered_link(
1302 point_for_position,
1303 &position_map.snapshot,
1304 modifiers,
1305 window,
1306 cx,
1307 );
1308
1309 if let Some(point) = point_for_position.as_valid() {
1310 let anchor = position_map
1311 .snapshot
1312 .buffer_snapshot()
1313 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1314 hover_at(editor, Some(anchor), window, cx);
1315 Self::update_visible_cursor(editor, point, position_map, window, cx);
1316 } else {
1317 hover_at(editor, None, window, cx);
1318 }
1319 } else {
1320 editor.hide_hovered_link(cx);
1321 hover_at(editor, None, window, cx);
1322 }
1323 }
1324
1325 fn update_visible_cursor(
1326 editor: &mut Editor,
1327 point: DisplayPoint,
1328 position_map: &PositionMap,
1329 window: &mut Window,
1330 cx: &mut Context<Editor>,
1331 ) {
1332 let snapshot = &position_map.snapshot;
1333 let Some(hub) = editor.collaboration_hub() else {
1334 return;
1335 };
1336 let start = snapshot.display_snapshot.clip_point(
1337 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1338 Bias::Left,
1339 );
1340 let end = snapshot.display_snapshot.clip_point(
1341 DisplayPoint::new(
1342 point.row(),
1343 (point.column() + 1).min(snapshot.line_len(point.row())),
1344 ),
1345 Bias::Right,
1346 );
1347
1348 let range = snapshot
1349 .buffer_snapshot()
1350 .anchor_before(start.to_point(&snapshot.display_snapshot))
1351 ..snapshot
1352 .buffer_snapshot()
1353 .anchor_after(end.to_point(&snapshot.display_snapshot));
1354
1355 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1356 return;
1357 };
1358 let key = crate::HoveredCursor {
1359 replica_id: selection.replica_id,
1360 selection_id: selection.selection.id,
1361 };
1362 editor.hovered_cursors.insert(
1363 key.clone(),
1364 cx.spawn_in(window, async move |editor, cx| {
1365 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1366 editor
1367 .update(cx, |editor, cx| {
1368 editor.hovered_cursors.remove(&key);
1369 cx.notify();
1370 })
1371 .ok();
1372 }),
1373 );
1374 cx.notify()
1375 }
1376
1377 fn layout_selections(
1378 &self,
1379 start_anchor: Anchor,
1380 end_anchor: Anchor,
1381 local_selections: &[Selection<Point>],
1382 snapshot: &EditorSnapshot,
1383 start_row: DisplayRow,
1384 end_row: DisplayRow,
1385 window: &mut Window,
1386 cx: &mut App,
1387 ) -> (
1388 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1389 BTreeMap<DisplayRow, LineHighlightSpec>,
1390 Option<DisplayPoint>,
1391 ) {
1392 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1393 let mut active_rows = BTreeMap::new();
1394 let mut newest_selection_head = None;
1395
1396 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1397 return (selections, active_rows, newest_selection_head);
1398 };
1399
1400 editor_with_selections.update(cx, |editor, cx| {
1401 if editor.show_local_selections {
1402 let mut layouts = Vec::new();
1403 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1404 for selection in local_selections.iter().cloned() {
1405 let is_empty = selection.start == selection.end;
1406 let is_newest = selection == newest;
1407
1408 let layout = SelectionLayout::new(
1409 selection,
1410 editor.selections.line_mode(),
1411 editor.cursor_shape,
1412 &snapshot.display_snapshot,
1413 is_newest,
1414 editor.leader_id.is_none(),
1415 None,
1416 );
1417 if is_newest {
1418 newest_selection_head = Some(layout.head);
1419 }
1420
1421 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1422 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1423 {
1424 let contains_non_empty_selection = active_rows
1425 .entry(DisplayRow(row))
1426 .or_insert_with(LineHighlightSpec::default);
1427 contains_non_empty_selection.selection |= !is_empty;
1428 }
1429 layouts.push(layout);
1430 }
1431
1432 let mut player = editor.current_user_player_color(cx);
1433 if !editor.is_focused(window) {
1434 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1435 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1436 }
1437 selections.push((player, layouts));
1438
1439 if let SelectionDragState::Dragging {
1440 ref selection,
1441 ref drop_cursor,
1442 ref hide_drop_cursor,
1443 } = editor.selection_drag_state
1444 && !hide_drop_cursor
1445 && (drop_cursor
1446 .start
1447 .cmp(&selection.start, &snapshot.buffer_snapshot())
1448 .eq(&Ordering::Less)
1449 || drop_cursor
1450 .end
1451 .cmp(&selection.end, &snapshot.buffer_snapshot())
1452 .eq(&Ordering::Greater))
1453 {
1454 let drag_cursor_layout = SelectionLayout::new(
1455 drop_cursor.clone(),
1456 false,
1457 CursorShape::Bar,
1458 &snapshot.display_snapshot,
1459 false,
1460 false,
1461 None,
1462 );
1463 let absent_color = cx.theme().players().absent();
1464 selections.push((absent_color, vec![drag_cursor_layout]));
1465 }
1466 }
1467
1468 if let Some(collaboration_hub) = &editor.collaboration_hub {
1469 // When following someone, render the local selections in their color.
1470 if let Some(leader_id) = editor.leader_id {
1471 match leader_id {
1472 CollaboratorId::PeerId(peer_id) => {
1473 if let Some(collaborator) =
1474 collaboration_hub.collaborators(cx).get(&peer_id)
1475 && let Some(participant_index) = collaboration_hub
1476 .user_participant_indices(cx)
1477 .get(&collaborator.user_id)
1478 && let Some((local_selection_style, _)) = selections.first_mut()
1479 {
1480 *local_selection_style = cx
1481 .theme()
1482 .players()
1483 .color_for_participant(participant_index.0);
1484 }
1485 }
1486 CollaboratorId::Agent => {
1487 if let Some((local_selection_style, _)) = selections.first_mut() {
1488 *local_selection_style = cx.theme().players().agent();
1489 }
1490 }
1491 }
1492 }
1493
1494 let mut remote_selections = HashMap::default();
1495 for selection in snapshot.remote_selections_in_range(
1496 &(start_anchor..end_anchor),
1497 collaboration_hub.as_ref(),
1498 cx,
1499 ) {
1500 // Don't re-render the leader's selections, since the local selections
1501 // match theirs.
1502 if Some(selection.collaborator_id) == editor.leader_id {
1503 continue;
1504 }
1505 let key = HoveredCursor {
1506 replica_id: selection.replica_id,
1507 selection_id: selection.selection.id,
1508 };
1509
1510 let is_shown =
1511 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1512
1513 remote_selections
1514 .entry(selection.replica_id)
1515 .or_insert((selection.color, Vec::new()))
1516 .1
1517 .push(SelectionLayout::new(
1518 selection.selection,
1519 selection.line_mode,
1520 selection.cursor_shape,
1521 &snapshot.display_snapshot,
1522 false,
1523 false,
1524 if is_shown { selection.user_name } else { None },
1525 ));
1526 }
1527
1528 selections.extend(remote_selections.into_values());
1529 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1530 let layouts = snapshot
1531 .buffer_snapshot()
1532 .selections_in_range(&(start_anchor..end_anchor), true)
1533 .map(move |(_, line_mode, cursor_shape, selection)| {
1534 SelectionLayout::new(
1535 selection,
1536 line_mode,
1537 cursor_shape,
1538 &snapshot.display_snapshot,
1539 false,
1540 false,
1541 None,
1542 )
1543 })
1544 .collect::<Vec<_>>();
1545 let player = editor.current_user_player_color(cx);
1546 selections.push((player, layouts));
1547 }
1548 });
1549
1550 #[cfg(debug_assertions)]
1551 Self::layout_debug_ranges(
1552 &mut selections,
1553 start_anchor..end_anchor,
1554 &snapshot.display_snapshot,
1555 cx,
1556 );
1557
1558 (selections, active_rows, newest_selection_head)
1559 }
1560
1561 fn collect_cursors(
1562 &self,
1563 snapshot: &EditorSnapshot,
1564 cx: &mut App,
1565 ) -> Vec<(DisplayPoint, Hsla)> {
1566 let editor = self.editor.read(cx);
1567 let mut cursors = Vec::new();
1568 let mut skip_local = false;
1569 let mut add_cursor = |anchor: Anchor, color| {
1570 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1571 };
1572 // Remote cursors
1573 if let Some(collaboration_hub) = &editor.collaboration_hub {
1574 for remote_selection in snapshot.remote_selections_in_range(
1575 &(Anchor::min()..Anchor::max()),
1576 collaboration_hub.deref(),
1577 cx,
1578 ) {
1579 add_cursor(
1580 remote_selection.selection.head(),
1581 remote_selection.color.cursor,
1582 );
1583 if Some(remote_selection.collaborator_id) == editor.leader_id {
1584 skip_local = true;
1585 }
1586 }
1587 }
1588 // Local cursors
1589 if !skip_local {
1590 let color = cx.theme().players().local().cursor;
1591 editor
1592 .selections
1593 .disjoint_anchors()
1594 .iter()
1595 .for_each(|selection| {
1596 add_cursor(selection.head(), color);
1597 });
1598 if let Some(ref selection) = editor.selections.pending_anchor() {
1599 add_cursor(selection.head(), color);
1600 }
1601 }
1602 cursors
1603 }
1604
1605 fn layout_visible_cursors(
1606 &self,
1607 snapshot: &EditorSnapshot,
1608 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1609 row_block_types: &HashMap<DisplayRow, bool>,
1610 visible_display_row_range: Range<DisplayRow>,
1611 line_layouts: &[LineWithInvisibles],
1612 text_hitbox: &Hitbox,
1613 content_origin: gpui::Point<Pixels>,
1614 scroll_position: gpui::Point<ScrollOffset>,
1615 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1616 line_height: Pixels,
1617 em_width: Pixels,
1618 em_advance: Pixels,
1619 autoscroll_containing_element: bool,
1620 window: &mut Window,
1621 cx: &mut App,
1622 ) -> Vec<CursorLayout> {
1623 let mut autoscroll_bounds = None;
1624 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1625 let mut cursors = Vec::new();
1626
1627 let show_local_cursors = editor.show_local_cursors(window, cx);
1628
1629 for (player_color, selections) in selections {
1630 for selection in selections {
1631 let cursor_position = selection.head;
1632
1633 let in_range = visible_display_row_range.contains(&cursor_position.row());
1634 if (selection.is_local && !show_local_cursors)
1635 || !in_range
1636 || row_block_types.get(&cursor_position.row()) == Some(&true)
1637 {
1638 continue;
1639 }
1640
1641 let cursor_row_layout = &line_layouts
1642 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1643 let cursor_column = cursor_position.column() as usize;
1644
1645 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1646 let mut block_width =
1647 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1648 if block_width == Pixels::ZERO {
1649 block_width = em_advance;
1650 }
1651 let block_text = if let CursorShape::Block = selection.cursor_shape {
1652 snapshot
1653 .grapheme_at(cursor_position)
1654 .or_else(|| {
1655 if snapshot.is_empty() {
1656 snapshot.placeholder_text().and_then(|s| {
1657 s.graphemes(true).next().map(|s| s.to_string().into())
1658 })
1659 } else {
1660 None
1661 }
1662 })
1663 .map(|text| {
1664 let len = text.len();
1665
1666 let mut font = cursor_row_layout
1667 .font_id_for_index(cursor_column)
1668 .and_then(|cursor_font_id| {
1669 window.text_system().get_font_for_id(cursor_font_id)
1670 })
1671 .unwrap_or(self.style.text.font());
1672 font.features = self.style.text.font_features.clone();
1673
1674 // Invert the text color for the block cursor. Ensure that the text
1675 // color is opaque enough to be visible against the background color.
1676 //
1677 // 0.75 is an arbitrary threshold to determine if the background color is
1678 // opaque enough to use as a text color.
1679 //
1680 // TODO: In the future we should ensure themes have a `text_inverse` color.
1681 let color = if cx.theme().colors().editor_background.a < 0.75 {
1682 match cx.theme().appearance {
1683 Appearance::Dark => Hsla::black(),
1684 Appearance::Light => Hsla::white(),
1685 }
1686 } else {
1687 cx.theme().colors().editor_background
1688 };
1689
1690 window.text_system().shape_line(
1691 text,
1692 cursor_row_layout.font_size,
1693 &[TextRun {
1694 len,
1695 font,
1696 color,
1697 background_color: None,
1698 strikethrough: None,
1699 underline: None,
1700 }],
1701 None,
1702 )
1703 })
1704 } else {
1705 None
1706 };
1707
1708 let x = cursor_character_x - scroll_pixel_position.x.into();
1709 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1710 * ScrollPixelOffset::from(line_height))
1711 .into();
1712 if selection.is_newest {
1713 editor.pixel_position_of_newest_cursor = Some(point(
1714 text_hitbox.origin.x + x + block_width / 2.,
1715 text_hitbox.origin.y + y + line_height / 2.,
1716 ));
1717
1718 if autoscroll_containing_element {
1719 let top = text_hitbox.origin.y
1720 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1721 .max(0.)
1722 * ScrollPixelOffset::from(line_height))
1723 .into();
1724 let left = text_hitbox.origin.x
1725 + ((cursor_position.column() as ScrollOffset
1726 - scroll_position.x
1727 - 3.)
1728 .max(0.)
1729 * ScrollPixelOffset::from(em_width))
1730 .into();
1731
1732 let bottom = text_hitbox.origin.y
1733 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1734 * ScrollPixelOffset::from(line_height))
1735 .into();
1736 let right = text_hitbox.origin.x
1737 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1738 + 4.)
1739 * ScrollPixelOffset::from(em_width))
1740 .into();
1741
1742 autoscroll_bounds =
1743 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1744 }
1745 }
1746
1747 let mut cursor = CursorLayout {
1748 color: player_color.cursor,
1749 block_width,
1750 origin: point(x, y),
1751 line_height,
1752 shape: selection.cursor_shape,
1753 block_text,
1754 cursor_name: None,
1755 };
1756 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1757 string: name,
1758 color: self.style.background,
1759 is_top_row: cursor_position.row().0 == 0,
1760 });
1761 cursor.layout(content_origin, cursor_name, window, cx);
1762 cursors.push(cursor);
1763 }
1764 }
1765
1766 cursors
1767 });
1768
1769 if let Some(bounds) = autoscroll_bounds {
1770 window.request_autoscroll(bounds);
1771 }
1772
1773 cursor_layouts
1774 }
1775
1776 fn layout_scrollbars(
1777 &self,
1778 snapshot: &EditorSnapshot,
1779 scrollbar_layout_information: &ScrollbarLayoutInformation,
1780 content_offset: gpui::Point<Pixels>,
1781 scroll_position: gpui::Point<ScrollOffset>,
1782 non_visible_cursors: bool,
1783 right_margin: Pixels,
1784 editor_width: Pixels,
1785 window: &mut Window,
1786 cx: &mut App,
1787 ) -> Option<EditorScrollbars> {
1788 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1789 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1790 || self.style.scrollbar_width.is_zero()
1791 {
1792 return None;
1793 }
1794
1795 // If a drag took place after we started dragging the scrollbar,
1796 // cancel the scrollbar drag.
1797 if cx.has_active_drag() {
1798 self.editor.update(cx, |editor, cx| {
1799 editor.scroll_manager.reset_scrollbar_state(cx)
1800 });
1801 }
1802
1803 let editor_settings = EditorSettings::get_global(cx);
1804 let scrollbar_settings = editor_settings.scrollbar;
1805 let show_scrollbars = match scrollbar_settings.show {
1806 ShowScrollbar::Auto => {
1807 let editor = self.editor.read(cx);
1808 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1809 // Git
1810 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1811 ||
1812 // Buffer Search Results
1813 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1814 ||
1815 // Selected Text Occurrences
1816 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1817 ||
1818 // Selected Symbol Occurrences
1819 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1820 ||
1821 // Diagnostics
1822 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1823 ||
1824 // Cursors out of sight
1825 non_visible_cursors
1826 ||
1827 // Scrollmanager
1828 editor.scroll_manager.scrollbars_visible()
1829 }
1830 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1831 ShowScrollbar::Always => true,
1832 ShowScrollbar::Never => return None,
1833 };
1834
1835 // The horizontal scrollbar is usually slightly offset to align nicely with
1836 // indent guides. However, this offset is not needed if indent guides are
1837 // disabled for the current editor.
1838 let content_offset = self
1839 .editor
1840 .read(cx)
1841 .show_indent_guides
1842 .is_none_or(|should_show| should_show)
1843 .then_some(content_offset)
1844 .unwrap_or_default();
1845
1846 Some(EditorScrollbars::from_scrollbar_axes(
1847 ScrollbarAxes {
1848 horizontal: scrollbar_settings.axes.horizontal
1849 && self.editor.read(cx).show_scrollbars.horizontal,
1850 vertical: scrollbar_settings.axes.vertical
1851 && self.editor.read(cx).show_scrollbars.vertical,
1852 },
1853 scrollbar_layout_information,
1854 content_offset,
1855 scroll_position,
1856 self.style.scrollbar_width,
1857 right_margin,
1858 editor_width,
1859 show_scrollbars,
1860 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1861 window,
1862 ))
1863 }
1864
1865 fn layout_minimap(
1866 &self,
1867 snapshot: &EditorSnapshot,
1868 minimap_width: Pixels,
1869 scroll_position: gpui::Point<f64>,
1870 scrollbar_layout_information: &ScrollbarLayoutInformation,
1871 scrollbar_layout: Option<&EditorScrollbars>,
1872 window: &mut Window,
1873 cx: &mut App,
1874 ) -> Option<MinimapLayout> {
1875 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1876
1877 let minimap_settings = EditorSettings::get_global(cx).minimap;
1878
1879 if minimap_settings.on_active_editor() {
1880 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1881 ws.read(cx)
1882 .active_pane()
1883 .read(cx)
1884 .active_item()
1885 .and_then(|i| i.act_as::<Editor>(cx))
1886 });
1887 if active_editor.is_some_and(|e| e != self.editor) {
1888 return None;
1889 }
1890 }
1891
1892 if !snapshot.mode.is_full()
1893 || minimap_width.is_zero()
1894 || matches!(
1895 minimap_settings.show,
1896 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1897 )
1898 {
1899 return None;
1900 }
1901
1902 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1903
1904 let ScrollbarLayoutInformation {
1905 editor_bounds,
1906 scroll_range,
1907 glyph_grid_cell,
1908 } = scrollbar_layout_information;
1909
1910 let line_height = glyph_grid_cell.height;
1911 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1912
1913 let top_right_anchor = scrollbar_layout
1914 .and_then(|layout| layout.vertical.as_ref())
1915 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1916 .unwrap_or_else(|| editor_bounds.top_right());
1917
1918 let thumb_state = self
1919 .editor
1920 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1921
1922 let show_thumb = match minimap_settings.thumb {
1923 MinimapThumb::Always => true,
1924 MinimapThumb::Hover => thumb_state.is_some(),
1925 };
1926
1927 let minimap_bounds = Bounds::from_corner_and_size(
1928 Corner::TopRight,
1929 top_right_anchor,
1930 size(minimap_width, editor_bounds.size.height),
1931 );
1932 let minimap_line_height = self.get_minimap_line_height(
1933 minimap_editor
1934 .read(cx)
1935 .text_style_refinement
1936 .as_ref()
1937 .and_then(|refinement| refinement.font_size)
1938 .unwrap_or(MINIMAP_FONT_SIZE),
1939 window,
1940 cx,
1941 );
1942 let minimap_height = minimap_bounds.size.height;
1943
1944 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1945 let total_editor_lines = (scroll_range.height / line_height) as f64;
1946 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1947
1948 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1949 total_editor_lines,
1950 visible_editor_lines,
1951 minimap_lines,
1952 scroll_position,
1953 );
1954
1955 let layout = ScrollbarLayout::for_minimap(
1956 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1957 visible_editor_lines,
1958 total_editor_lines,
1959 minimap_line_height,
1960 scroll_position,
1961 minimap_scroll_top,
1962 show_thumb,
1963 )
1964 .with_thumb_state(thumb_state);
1965
1966 minimap_editor.update(cx, |editor, cx| {
1967 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1968 });
1969
1970 // Required for the drop shadow to be visible
1971 const PADDING_OFFSET: Pixels = px(4.);
1972
1973 let mut minimap = div()
1974 .size_full()
1975 .shadow_xs()
1976 .px(PADDING_OFFSET)
1977 .child(minimap_editor)
1978 .into_any_element();
1979
1980 let extended_bounds = minimap_bounds.extend(Edges {
1981 right: PADDING_OFFSET,
1982 left: PADDING_OFFSET,
1983 ..Default::default()
1984 });
1985 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1986 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1987 minimap.prepaint(window, cx)
1988 });
1989
1990 Some(MinimapLayout {
1991 minimap,
1992 thumb_layout: layout,
1993 thumb_border_style: minimap_settings.thumb_border,
1994 minimap_line_height,
1995 minimap_scroll_top,
1996 max_scroll_top: total_editor_lines,
1997 })
1998 }
1999
2000 fn get_minimap_line_height(
2001 &self,
2002 font_size: AbsoluteLength,
2003 window: &mut Window,
2004 cx: &mut App,
2005 ) -> Pixels {
2006 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2007 let mut text_style = self.style.text.clone();
2008 text_style.font_size = font_size;
2009 text_style.line_height_in_pixels(rem_size)
2010 }
2011
2012 fn get_minimap_width(
2013 &self,
2014 minimap_settings: &Minimap,
2015 scrollbars_shown: bool,
2016 text_width: Pixels,
2017 em_width: Pixels,
2018 font_size: Pixels,
2019 rem_size: Pixels,
2020 cx: &App,
2021 ) -> Option<Pixels> {
2022 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2023 return None;
2024 }
2025
2026 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2027 editor.minimap().map(|minimap_editor| {
2028 minimap_editor
2029 .read(cx)
2030 .text_style_refinement
2031 .as_ref()
2032 .and_then(|refinement| refinement.font_size)
2033 .unwrap_or(MINIMAP_FONT_SIZE)
2034 })
2035 })?;
2036
2037 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2038
2039 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2040 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2041
2042 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2043 .then_some(minimap_width)
2044 }
2045
2046 fn prepaint_crease_toggles(
2047 &self,
2048 crease_toggles: &mut [Option<AnyElement>],
2049 line_height: Pixels,
2050 gutter_dimensions: &GutterDimensions,
2051 gutter_settings: crate::editor_settings::Gutter,
2052 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2053 gutter_hitbox: &Hitbox,
2054 window: &mut Window,
2055 cx: &mut App,
2056 ) {
2057 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2058 if let Some(crease_toggle) = crease_toggle {
2059 debug_assert!(gutter_settings.folds);
2060 let available_space = size(
2061 AvailableSpace::MinContent,
2062 AvailableSpace::Definite(line_height * 0.55),
2063 );
2064 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2065
2066 let position = point(
2067 gutter_dimensions.width - gutter_dimensions.right_padding,
2068 ix as f32 * line_height
2069 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2070 );
2071 let centering_offset = point(
2072 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2073 (line_height - crease_toggle_size.height) / 2.,
2074 );
2075 let origin = gutter_hitbox.origin + position + centering_offset;
2076 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2077 }
2078 }
2079 }
2080
2081 fn prepaint_expand_toggles(
2082 &self,
2083 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2084 window: &mut Window,
2085 cx: &mut App,
2086 ) {
2087 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2088 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2089 expand_toggle.layout_as_root(available_space, window, cx);
2090 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2091 }
2092 }
2093
2094 fn prepaint_crease_trailers(
2095 &self,
2096 trailers: Vec<Option<AnyElement>>,
2097 lines: &[LineWithInvisibles],
2098 line_height: Pixels,
2099 content_origin: gpui::Point<Pixels>,
2100 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2101 em_width: Pixels,
2102 window: &mut Window,
2103 cx: &mut App,
2104 ) -> Vec<Option<CreaseTrailerLayout>> {
2105 trailers
2106 .into_iter()
2107 .enumerate()
2108 .map(|(ix, element)| {
2109 let mut element = element?;
2110 let available_space = size(
2111 AvailableSpace::MinContent,
2112 AvailableSpace::Definite(line_height),
2113 );
2114 let size = element.layout_as_root(available_space, window, cx);
2115
2116 let line = &lines[ix];
2117 let padding = if line.width == Pixels::ZERO {
2118 Pixels::ZERO
2119 } else {
2120 4. * em_width
2121 };
2122 let position = point(
2123 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2124 ix as f32 * line_height
2125 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2126 );
2127 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2128 let origin = content_origin + position + centering_offset;
2129 element.prepaint_as_root(origin, available_space, window, cx);
2130 Some(CreaseTrailerLayout {
2131 element,
2132 bounds: Bounds::new(origin, size),
2133 })
2134 })
2135 .collect()
2136 }
2137
2138 // Folds contained in a hunk are ignored apart from shrinking visual size
2139 // If a fold contains any hunks then that fold line is marked as modified
2140 fn layout_gutter_diff_hunks(
2141 &self,
2142 line_height: Pixels,
2143 gutter_hitbox: &Hitbox,
2144 display_rows: Range<DisplayRow>,
2145 snapshot: &EditorSnapshot,
2146 window: &mut Window,
2147 cx: &mut App,
2148 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2149 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2150 let mut display_hunks = snapshot
2151 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2152 .map(|hunk| (hunk, None))
2153 .collect::<Vec<_>>();
2154 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2155 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2156 for (hunk, hitbox) in &mut display_hunks {
2157 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2158 let hunk_bounds =
2159 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2160 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2161 }
2162 }
2163 }
2164
2165 display_hunks
2166 }
2167
2168 fn layout_inline_diagnostics(
2169 &self,
2170 line_layouts: &[LineWithInvisibles],
2171 crease_trailers: &[Option<CreaseTrailerLayout>],
2172 row_block_types: &HashMap<DisplayRow, bool>,
2173 content_origin: gpui::Point<Pixels>,
2174 scroll_position: gpui::Point<ScrollOffset>,
2175 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2176 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2177 start_row: DisplayRow,
2178 end_row: DisplayRow,
2179 line_height: Pixels,
2180 em_width: Pixels,
2181 style: &EditorStyle,
2182 window: &mut Window,
2183 cx: &mut App,
2184 ) -> HashMap<DisplayRow, AnyElement> {
2185 let max_severity = match self
2186 .editor
2187 .read(cx)
2188 .inline_diagnostics_enabled()
2189 .then(|| {
2190 ProjectSettings::get_global(cx)
2191 .diagnostics
2192 .inline
2193 .max_severity
2194 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2195 .into_lsp()
2196 })
2197 .flatten()
2198 {
2199 Some(max_severity) => max_severity,
2200 None => return HashMap::default(),
2201 };
2202
2203 let active_diagnostics_group =
2204 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2205 Some(group.group_id)
2206 } else {
2207 None
2208 };
2209
2210 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2211 let snapshot = editor.snapshot(window, cx);
2212 editor
2213 .inline_diagnostics
2214 .iter()
2215 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2216 .filter(|(_, diagnostic)| match active_diagnostics_group {
2217 Some(active_diagnostics_group) => {
2218 // Active diagnostics are all shown in the editor already, no need to display them inline
2219 diagnostic.group_id != active_diagnostics_group
2220 }
2221 None => true,
2222 })
2223 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2224 .skip_while(|(point, _)| point.row() < start_row)
2225 .take_while(|(point, _)| point.row() < end_row)
2226 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2227 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2228 acc.entry(point.row())
2229 .or_insert_with(Vec::new)
2230 .push(diagnostic);
2231 acc
2232 })
2233 });
2234
2235 if diagnostics_by_rows.is_empty() {
2236 return HashMap::default();
2237 }
2238
2239 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2240 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2241 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2242 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2243 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2244 _ => Color::Error,
2245 };
2246
2247 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2248 let min_x = self.column_pixels(
2249 ProjectSettings::get_global(cx)
2250 .diagnostics
2251 .inline
2252 .min_column as usize,
2253 window,
2254 );
2255
2256 let mut elements = HashMap::default();
2257 for (row, mut diagnostics) in diagnostics_by_rows {
2258 diagnostics.sort_by_key(|diagnostic| {
2259 (
2260 diagnostic.severity,
2261 std::cmp::Reverse(diagnostic.is_primary),
2262 diagnostic.start.row,
2263 diagnostic.start.column,
2264 )
2265 });
2266
2267 let Some(diagnostic_to_render) = diagnostics
2268 .iter()
2269 .find(|diagnostic| diagnostic.is_primary)
2270 .or_else(|| diagnostics.first())
2271 else {
2272 continue;
2273 };
2274
2275 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2276
2277 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2278 let pos_x = {
2279 let crease_trailer_layout = &crease_trailers[window_ix];
2280 let line_layout = &line_layouts[window_ix];
2281
2282 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2283 crease_trailer.bounds.right()
2284 } else {
2285 Pixels::from(
2286 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2287 - scroll_pixel_position.x,
2288 )
2289 };
2290
2291 let padded_line = line_end + padding;
2292 let min_start = Pixels::from(
2293 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2294 );
2295
2296 cmp::max(padded_line, min_start)
2297 };
2298
2299 let behind_edit_prediction_popover = edit_prediction_popover_origin
2300 .as_ref()
2301 .is_some_and(|edit_prediction_popover_origin| {
2302 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2303 });
2304 let opacity = if behind_edit_prediction_popover {
2305 0.5
2306 } else {
2307 1.0
2308 };
2309
2310 let mut element = h_flex()
2311 .id(("diagnostic", row.0))
2312 .h(line_height)
2313 .w_full()
2314 .px_1()
2315 .rounded_xs()
2316 .opacity(opacity)
2317 .bg(severity_to_color(&diagnostic_to_render.severity)
2318 .color(cx)
2319 .opacity(0.05))
2320 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2321 .text_sm()
2322 .font_family(style.text.font().family)
2323 .child(diagnostic_to_render.message.clone())
2324 .into_any();
2325
2326 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2327
2328 elements.insert(row, element);
2329 }
2330
2331 elements
2332 }
2333
2334 fn layout_inline_code_actions(
2335 &self,
2336 display_point: DisplayPoint,
2337 content_origin: gpui::Point<Pixels>,
2338 scroll_position: gpui::Point<ScrollOffset>,
2339 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2340 line_height: Pixels,
2341 snapshot: &EditorSnapshot,
2342 window: &mut Window,
2343 cx: &mut App,
2344 ) -> Option<AnyElement> {
2345 if !snapshot
2346 .show_code_actions
2347 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2348 {
2349 return None;
2350 }
2351
2352 let icon_size = ui::IconSize::XSmall;
2353 let mut button = self.editor.update(cx, |editor, cx| {
2354 editor.available_code_actions.as_ref()?;
2355 let active = editor
2356 .context_menu
2357 .borrow()
2358 .as_ref()
2359 .and_then(|menu| {
2360 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2361 deployed_from,
2362 ..
2363 }) = menu
2364 {
2365 deployed_from.as_ref()
2366 } else {
2367 None
2368 }
2369 })
2370 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2371 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2372 })?;
2373
2374 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2375
2376 // do not show code action for folded line
2377 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2378 return None;
2379 }
2380
2381 // do not show code action for blank line with cursor
2382 let line_indent = snapshot
2383 .display_snapshot
2384 .buffer_snapshot()
2385 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2386 if line_indent.is_line_blank() {
2387 return None;
2388 }
2389
2390 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2391 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2392
2393 let excerpt_id = snapshot
2394 .display_snapshot
2395 .buffer_snapshot()
2396 .excerpt_containing(buffer_point..buffer_point)
2397 .map(|excerpt| excerpt.id());
2398
2399 let is_valid_row = |row_candidate: u32| -> bool {
2400 // move to other row if folded row
2401 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2402 return false;
2403 }
2404 if buffer_point.row == row_candidate {
2405 // move to other row if cursor is in slot
2406 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2407 return false;
2408 }
2409 } else {
2410 let candidate_point = MultiBufferPoint {
2411 row: row_candidate,
2412 column: 0,
2413 };
2414 let candidate_excerpt_id = snapshot
2415 .display_snapshot
2416 .buffer_snapshot()
2417 .excerpt_containing(candidate_point..candidate_point)
2418 .map(|excerpt| excerpt.id());
2419 // move to other row if different excerpt
2420 if excerpt_id != candidate_excerpt_id {
2421 return false;
2422 }
2423 }
2424 let line_indent = snapshot
2425 .display_snapshot
2426 .buffer_snapshot()
2427 .line_indent_for_row(MultiBufferRow(row_candidate));
2428 // use this row if it's blank
2429 if line_indent.is_line_blank() {
2430 true
2431 } else {
2432 // use this row if code starts after slot
2433 let indent_size = snapshot
2434 .display_snapshot
2435 .buffer_snapshot()
2436 .indent_size_for_line(MultiBufferRow(row_candidate));
2437 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2438 }
2439 };
2440
2441 let new_buffer_row = if is_valid_row(buffer_point.row) {
2442 Some(buffer_point.row)
2443 } else {
2444 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2445 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2446 let row_above = buffer_point.row.saturating_sub(offset);
2447 let row_below = buffer_point.row + offset;
2448 if row_above != buffer_point.row && is_valid_row(row_above) {
2449 Some(row_above)
2450 } else if row_below <= max_row && is_valid_row(row_below) {
2451 Some(row_below)
2452 } else {
2453 None
2454 }
2455 })
2456 }?;
2457
2458 let new_display_row = snapshot
2459 .display_snapshot
2460 .point_to_display_point(
2461 Point {
2462 row: new_buffer_row,
2463 column: buffer_point.column,
2464 },
2465 text::Bias::Left,
2466 )
2467 .row();
2468
2469 let start_y = content_origin.y
2470 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2471 + (line_height / 2.0)
2472 - (icon_size.square(window, cx) / 2.);
2473 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2474 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2475 .into();
2476
2477 let absolute_offset = gpui::point(start_x, start_y);
2478 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2479 button.prepaint_as_root(
2480 absolute_offset,
2481 gpui::AvailableSpace::min_size(),
2482 window,
2483 cx,
2484 );
2485 Some(button)
2486 }
2487
2488 fn layout_inline_blame(
2489 &self,
2490 display_row: DisplayRow,
2491 row_info: &RowInfo,
2492 line_layout: &LineWithInvisibles,
2493 crease_trailer: Option<&CreaseTrailerLayout>,
2494 em_width: Pixels,
2495 content_origin: gpui::Point<Pixels>,
2496 scroll_position: gpui::Point<ScrollOffset>,
2497 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2498 line_height: Pixels,
2499 text_hitbox: &Hitbox,
2500 window: &mut Window,
2501 cx: &mut App,
2502 ) -> Option<InlineBlameLayout> {
2503 if !self
2504 .editor
2505 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2506 {
2507 return None;
2508 }
2509
2510 let editor = self.editor.read(cx);
2511 let blame = editor.blame.clone()?;
2512 let padding = {
2513 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2514
2515 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2516
2517 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2518 && let EditPrediction::Edit {
2519 display_mode: EditDisplayMode::TabAccept,
2520 ..
2521 } = &edit_prediction.completion
2522 {
2523 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2524 }
2525
2526 padding * em_width
2527 };
2528
2529 let (buffer_id, entry) = blame
2530 .update(cx, |blame, cx| {
2531 blame.blame_for_rows(&[*row_info], cx).next()
2532 })
2533 .flatten()?;
2534
2535 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2536
2537 let start_y =
2538 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2539
2540 let start_x = {
2541 let line_end = if let Some(crease_trailer) = crease_trailer {
2542 crease_trailer.bounds.right()
2543 } else {
2544 Pixels::from(
2545 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2546 - scroll_pixel_position.x,
2547 )
2548 };
2549
2550 let padded_line_end = line_end + padding;
2551
2552 let min_column_in_pixels = self.column_pixels(
2553 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2554 window,
2555 );
2556 let min_start = Pixels::from(
2557 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2558 - scroll_pixel_position.x,
2559 );
2560
2561 cmp::max(padded_line_end, min_start)
2562 };
2563
2564 let absolute_offset = point(start_x, start_y);
2565 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2566 let bounds = Bounds::new(absolute_offset, size);
2567
2568 self.layout_blame_entry_popover(
2569 entry.clone(),
2570 blame,
2571 line_height,
2572 text_hitbox,
2573 row_info.buffer_id?,
2574 window,
2575 cx,
2576 );
2577
2578 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2579
2580 Some(InlineBlameLayout {
2581 element,
2582 bounds,
2583 buffer_id,
2584 entry,
2585 })
2586 }
2587
2588 fn layout_blame_entry_popover(
2589 &self,
2590 blame_entry: BlameEntry,
2591 blame: Entity<GitBlame>,
2592 line_height: Pixels,
2593 text_hitbox: &Hitbox,
2594 buffer: BufferId,
2595 window: &mut Window,
2596 cx: &mut App,
2597 ) {
2598 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2599 editor
2600 .inline_blame_popover
2601 .as_ref()
2602 .map(|state| (state.popover_state.clone(), state.position))
2603 }) else {
2604 return;
2605 };
2606
2607 let workspace = self
2608 .editor
2609 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2610
2611 let maybe_element = workspace.and_then(|workspace| {
2612 render_blame_entry_popover(
2613 blame_entry,
2614 popover_state.scroll_handle,
2615 popover_state.commit_message,
2616 popover_state.markdown,
2617 workspace,
2618 &blame,
2619 buffer,
2620 window,
2621 cx,
2622 )
2623 });
2624
2625 if let Some(mut element) = maybe_element {
2626 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2627 let overall_height = size.height + HOVER_POPOVER_GAP;
2628 let popover_origin = if target_point.y > overall_height {
2629 point(target_point.x, target_point.y - size.height)
2630 } else {
2631 point(
2632 target_point.x,
2633 target_point.y + line_height + HOVER_POPOVER_GAP,
2634 )
2635 };
2636
2637 let horizontal_offset = (text_hitbox.top_right().x
2638 - POPOVER_RIGHT_OFFSET
2639 - (popover_origin.x + size.width))
2640 .min(Pixels::ZERO);
2641
2642 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2643 let popover_bounds = Bounds::new(origin, size);
2644
2645 self.editor.update(cx, |editor, _| {
2646 if let Some(state) = &mut editor.inline_blame_popover {
2647 state.popover_bounds = Some(popover_bounds);
2648 }
2649 });
2650
2651 window.defer_draw(element, origin, 2);
2652 }
2653 }
2654
2655 fn layout_blame_entries(
2656 &self,
2657 buffer_rows: &[RowInfo],
2658 em_width: Pixels,
2659 scroll_position: gpui::Point<ScrollOffset>,
2660 line_height: Pixels,
2661 gutter_hitbox: &Hitbox,
2662 max_width: Option<Pixels>,
2663 window: &mut Window,
2664 cx: &mut App,
2665 ) -> Option<Vec<AnyElement>> {
2666 if !self
2667 .editor
2668 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2669 {
2670 return None;
2671 }
2672
2673 let blame = self.editor.read(cx).blame.clone()?;
2674 let workspace = self.editor.read(cx).workspace()?;
2675 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2676 blame.blame_for_rows(buffer_rows, cx).collect()
2677 });
2678
2679 let width = if let Some(max_width) = max_width {
2680 AvailableSpace::Definite(max_width)
2681 } else {
2682 AvailableSpace::MaxContent
2683 };
2684 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2685 let start_x = em_width;
2686
2687 let mut last_used_color: Option<(Hsla, Oid)> = None;
2688 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2689
2690 let shaped_lines = blamed_rows
2691 .into_iter()
2692 .enumerate()
2693 .flat_map(|(ix, blame_entry)| {
2694 let (buffer_id, blame_entry) = blame_entry?;
2695 let mut element = render_blame_entry(
2696 ix,
2697 &blame,
2698 blame_entry,
2699 &self.style,
2700 &mut last_used_color,
2701 self.editor.clone(),
2702 workspace.clone(),
2703 buffer_id,
2704 &*blame_renderer,
2705 window,
2706 cx,
2707 )?;
2708
2709 let start_y = ix as f32 * line_height
2710 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2711 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2712
2713 element.prepaint_as_root(
2714 absolute_offset,
2715 size(width, AvailableSpace::MinContent),
2716 window,
2717 cx,
2718 );
2719
2720 Some(element)
2721 })
2722 .collect();
2723
2724 Some(shaped_lines)
2725 }
2726
2727 fn layout_indent_guides(
2728 &self,
2729 content_origin: gpui::Point<Pixels>,
2730 text_origin: gpui::Point<Pixels>,
2731 visible_buffer_range: Range<MultiBufferRow>,
2732 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2733 line_height: Pixels,
2734 snapshot: &DisplaySnapshot,
2735 window: &mut Window,
2736 cx: &mut App,
2737 ) -> Option<Vec<IndentGuideLayout>> {
2738 let indent_guides = self.editor.update(cx, |editor, cx| {
2739 editor.indent_guides(visible_buffer_range, snapshot, cx)
2740 })?;
2741
2742 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2743 editor
2744 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2745 .unwrap_or_default()
2746 });
2747
2748 Some(
2749 indent_guides
2750 .into_iter()
2751 .enumerate()
2752 .filter_map(|(i, indent_guide)| {
2753 let single_indent_width =
2754 self.column_pixels(indent_guide.tab_size as usize, window);
2755 let total_width = single_indent_width * indent_guide.depth as f32;
2756 let start_x = Pixels::from(
2757 ScrollOffset::from(content_origin.x + total_width)
2758 - scroll_pixel_position.x,
2759 );
2760 if start_x >= text_origin.x {
2761 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2762 indent_guide.start_row..indent_guide.end_row,
2763 line_height,
2764 snapshot,
2765 );
2766
2767 let start_y = Pixels::from(
2768 ScrollOffset::from(content_origin.y) + offset_y
2769 - scroll_pixel_position.y,
2770 );
2771
2772 Some(IndentGuideLayout {
2773 origin: point(start_x, start_y),
2774 length,
2775 single_indent_width,
2776 depth: indent_guide.depth,
2777 active: active_indent_guide_indices.contains(&i),
2778 settings: indent_guide.settings,
2779 })
2780 } else {
2781 None
2782 }
2783 })
2784 .collect(),
2785 )
2786 }
2787
2788 fn layout_wrap_guides(
2789 &self,
2790 em_advance: Pixels,
2791 scroll_position: gpui::Point<f64>,
2792 content_origin: gpui::Point<Pixels>,
2793 scrollbar_layout: Option<&EditorScrollbars>,
2794 vertical_scrollbar_width: Pixels,
2795 hitbox: &Hitbox,
2796 window: &Window,
2797 cx: &App,
2798 ) -> SmallVec<[(Pixels, bool); 2]> {
2799 let scroll_left = scroll_position.x as f32 * em_advance;
2800 let content_origin = content_origin.x;
2801 let horizontal_offset = content_origin - scroll_left;
2802 let vertical_scrollbar_width = scrollbar_layout
2803 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2804 .unwrap_or_default();
2805
2806 self.editor
2807 .read(cx)
2808 .wrap_guides(cx)
2809 .into_iter()
2810 .flat_map(|(guide, active)| {
2811 let wrap_position = self.column_pixels(guide, window);
2812 let wrap_guide_x = wrap_position + horizontal_offset;
2813 let display_wrap_guide = wrap_guide_x >= content_origin
2814 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2815
2816 display_wrap_guide.then_some((wrap_guide_x, active))
2817 })
2818 .collect()
2819 }
2820
2821 fn calculate_indent_guide_bounds(
2822 row_range: Range<MultiBufferRow>,
2823 line_height: Pixels,
2824 snapshot: &DisplaySnapshot,
2825 ) -> (f64, gpui::Pixels) {
2826 let start_point = Point::new(row_range.start.0, 0);
2827 let end_point = Point::new(row_range.end.0, 0);
2828
2829 let row_range = start_point.to_display_point(snapshot).row()
2830 ..end_point.to_display_point(snapshot).row();
2831
2832 let mut prev_line = start_point;
2833 prev_line.row = prev_line.row.saturating_sub(1);
2834 let prev_line = prev_line.to_display_point(snapshot).row();
2835
2836 let mut cons_line = end_point;
2837 cons_line.row += 1;
2838 let cons_line = cons_line.to_display_point(snapshot).row();
2839
2840 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2841 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2842
2843 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2844 if row_range.end == cons_line {
2845 length += line_height;
2846 }
2847
2848 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2849 // we want to extend the indent guide to the start of the block.
2850 let mut block_height = 0;
2851 let mut block_offset = 0;
2852 let mut found_excerpt_header = false;
2853 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2854 if matches!(
2855 block,
2856 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2857 ) {
2858 found_excerpt_header = true;
2859 break;
2860 }
2861 block_offset += block.height();
2862 block_height += block.height();
2863 }
2864 if !found_excerpt_header {
2865 offset_y -= block_offset as f64 * f64::from(line_height);
2866 length += block_height as f32 * line_height;
2867 }
2868
2869 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2870 // we want to ensure that the indent guide stops before the excerpt header.
2871 let mut block_height = 0;
2872 let mut found_excerpt_header = false;
2873 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2874 if matches!(
2875 block,
2876 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2877 ) {
2878 found_excerpt_header = true;
2879 }
2880 block_height += block.height();
2881 }
2882 if found_excerpt_header {
2883 length -= block_height as f32 * line_height;
2884 }
2885
2886 (offset_y, length)
2887 }
2888
2889 fn layout_breakpoints(
2890 &self,
2891 line_height: Pixels,
2892 range: Range<DisplayRow>,
2893 scroll_position: gpui::Point<ScrollOffset>,
2894 gutter_dimensions: &GutterDimensions,
2895 gutter_hitbox: &Hitbox,
2896 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2897 snapshot: &EditorSnapshot,
2898 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2899 row_infos: &[RowInfo],
2900 window: &mut Window,
2901 cx: &mut App,
2902 ) -> Vec<AnyElement> {
2903 self.editor.update(cx, |editor, cx| {
2904 breakpoints
2905 .into_iter()
2906 .filter_map(|(display_row, (text_anchor, bp, state))| {
2907 if row_infos
2908 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2909 .is_some_and(|row_info| {
2910 row_info.expand_info.is_some()
2911 || row_info
2912 .diff_status
2913 .is_some_and(|status| status.is_deleted())
2914 })
2915 {
2916 return None;
2917 }
2918
2919 if range.start > display_row || range.end < display_row {
2920 return None;
2921 }
2922
2923 let row =
2924 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2925 if snapshot.is_line_folded(row) {
2926 return None;
2927 }
2928
2929 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2930
2931 let button = prepaint_gutter_button(
2932 button,
2933 display_row,
2934 line_height,
2935 gutter_dimensions,
2936 scroll_position,
2937 gutter_hitbox,
2938 display_hunks,
2939 window,
2940 cx,
2941 );
2942 Some(button)
2943 })
2944 .collect_vec()
2945 })
2946 }
2947
2948 #[allow(clippy::too_many_arguments)]
2949 fn layout_run_indicators(
2950 &self,
2951 line_height: Pixels,
2952 range: Range<DisplayRow>,
2953 row_infos: &[RowInfo],
2954 scroll_position: gpui::Point<ScrollOffset>,
2955 gutter_dimensions: &GutterDimensions,
2956 gutter_hitbox: &Hitbox,
2957 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2958 snapshot: &EditorSnapshot,
2959 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2960 window: &mut Window,
2961 cx: &mut App,
2962 ) -> Vec<AnyElement> {
2963 self.editor.update(cx, |editor, cx| {
2964 let active_task_indicator_row =
2965 // TODO: add edit button on the right side of each row in the context menu
2966 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2967 deployed_from,
2968 actions,
2969 ..
2970 })) = editor.context_menu.borrow().as_ref()
2971 {
2972 actions
2973 .tasks()
2974 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2975 .or_else(|| match deployed_from {
2976 Some(CodeActionSource::Indicator(row)) => Some(*row),
2977 _ => None,
2978 })
2979 } else {
2980 None
2981 };
2982
2983 let offset_range_start =
2984 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2985
2986 let offset_range_end =
2987 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2988
2989 editor
2990 .tasks
2991 .iter()
2992 .filter_map(|(_, tasks)| {
2993 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2994 if multibuffer_point < offset_range_start
2995 || multibuffer_point > offset_range_end
2996 {
2997 return None;
2998 }
2999 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3000 let buffer_folded = snapshot
3001 .buffer_snapshot()
3002 .buffer_line_for_row(multibuffer_row)
3003 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3004 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3005 .unwrap_or(false);
3006 if buffer_folded {
3007 return None;
3008 }
3009
3010 if snapshot.is_line_folded(multibuffer_row) {
3011 // Skip folded indicators, unless it's the starting line of a fold.
3012 if multibuffer_row
3013 .0
3014 .checked_sub(1)
3015 .is_some_and(|previous_row| {
3016 snapshot.is_line_folded(MultiBufferRow(previous_row))
3017 })
3018 {
3019 return None;
3020 }
3021 }
3022
3023 let display_row = multibuffer_point.to_display_point(snapshot).row();
3024 if !range.contains(&display_row) {
3025 return None;
3026 }
3027 if row_infos
3028 .get((display_row - range.start).0 as usize)
3029 .is_some_and(|row_info| row_info.expand_info.is_some())
3030 {
3031 return None;
3032 }
3033
3034 let button = editor.render_run_indicator(
3035 &self.style,
3036 Some(display_row) == active_task_indicator_row,
3037 display_row,
3038 breakpoints.remove(&display_row),
3039 cx,
3040 );
3041
3042 let button = prepaint_gutter_button(
3043 button,
3044 display_row,
3045 line_height,
3046 gutter_dimensions,
3047 scroll_position,
3048 gutter_hitbox,
3049 display_hunks,
3050 window,
3051 cx,
3052 );
3053 Some(button)
3054 })
3055 .collect_vec()
3056 })
3057 }
3058
3059 fn layout_expand_toggles(
3060 &self,
3061 gutter_hitbox: &Hitbox,
3062 gutter_dimensions: GutterDimensions,
3063 em_width: Pixels,
3064 line_height: Pixels,
3065 scroll_position: gpui::Point<ScrollOffset>,
3066 buffer_rows: &[RowInfo],
3067 window: &mut Window,
3068 cx: &mut App,
3069 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3070 if self.editor.read(cx).disable_expand_excerpt_buttons {
3071 return vec![];
3072 }
3073
3074 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3075
3076 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3077
3078 let max_line_number_length = self
3079 .editor
3080 .read(cx)
3081 .buffer()
3082 .read(cx)
3083 .snapshot(cx)
3084 .widest_line_number()
3085 .ilog10()
3086 + 1;
3087
3088 let git_gutter_width = Self::gutter_strip_width(line_height)
3089 + gutter_dimensions
3090 .git_blame_entries_width
3091 .unwrap_or_default();
3092 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3093
3094 buffer_rows
3095 .iter()
3096 .enumerate()
3097 .map(|(ix, row_info)| {
3098 let ExpandInfo {
3099 excerpt_id,
3100 direction,
3101 } = row_info.expand_info?;
3102
3103 let icon_name = match direction {
3104 ExpandExcerptDirection::Up => IconName::ExpandUp,
3105 ExpandExcerptDirection::Down => IconName::ExpandDown,
3106 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3107 };
3108
3109 let editor = self.editor.clone();
3110 let is_wide = max_line_number_length
3111 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3112 && row_info
3113 .buffer_row
3114 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3115 || gutter_dimensions.right_padding == px(0.);
3116
3117 let width = if is_wide {
3118 available_width - px(2.)
3119 } else {
3120 available_width + em_width - px(2.)
3121 };
3122
3123 let toggle = IconButton::new(("expand", ix), icon_name)
3124 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3125 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3126 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3127 .width(width)
3128 .on_click(move |_, window, cx| {
3129 editor.update(cx, |editor, cx| {
3130 editor.expand_excerpt(excerpt_id, direction, window, cx);
3131 });
3132 })
3133 .tooltip(Tooltip::for_action_title(
3134 "Expand Excerpt",
3135 &crate::actions::ExpandExcerpts::default(),
3136 ))
3137 .into_any_element();
3138
3139 let position = point(
3140 git_gutter_width + px(1.),
3141 ix as f32 * line_height
3142 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3143 + px(1.),
3144 );
3145 let origin = gutter_hitbox.origin + position;
3146
3147 Some((toggle, origin))
3148 })
3149 .collect()
3150 }
3151
3152 fn calculate_relative_line_numbers(
3153 &self,
3154 buffer_rows: &[RowInfo],
3155 rows: &Range<DisplayRow>,
3156 relative_to: Option<DisplayRow>,
3157 count_wrapped_lines: bool,
3158 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3159 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3160 let Some(relative_to) = relative_to else {
3161 return relative_rows;
3162 };
3163
3164 let start = rows.start.min(relative_to);
3165
3166 let head_idx = relative_to.minus(start);
3167 let mut delta = 1;
3168 let mut i = head_idx + 1;
3169 let should_count_line = |row_info: &RowInfo| {
3170 if count_wrapped_lines {
3171 row_info.buffer_row.is_some() || row_info.wrapped_buffer_row.is_some()
3172 } else {
3173 row_info.buffer_row.is_some()
3174 }
3175 };
3176 while i < buffer_rows.len() as u32 {
3177 if should_count_line(&buffer_rows[i as usize]) {
3178 if rows.contains(&DisplayRow(i + start.0)) {
3179 relative_rows.insert(DisplayRow(i + start.0), delta);
3180 }
3181 delta += 1;
3182 }
3183 i += 1;
3184 }
3185 delta = 1;
3186 i = head_idx.min(buffer_rows.len().saturating_sub(1) as u32);
3187 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !count_wrapped_lines {
3188 i -= 1;
3189 }
3190
3191 while i > 0 {
3192 i -= 1;
3193 if should_count_line(&buffer_rows[i as usize]) {
3194 if rows.contains(&DisplayRow(i + start.0)) {
3195 relative_rows.insert(DisplayRow(i + start.0), delta);
3196 }
3197 delta += 1;
3198 }
3199 }
3200
3201 relative_rows
3202 }
3203
3204 fn layout_line_numbers(
3205 &self,
3206 gutter_hitbox: Option<&Hitbox>,
3207 gutter_dimensions: GutterDimensions,
3208 line_height: Pixels,
3209 scroll_position: gpui::Point<ScrollOffset>,
3210 rows: Range<DisplayRow>,
3211 buffer_rows: &[RowInfo],
3212 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3213 newest_selection_head: Option<DisplayPoint>,
3214 snapshot: &EditorSnapshot,
3215 window: &mut Window,
3216 cx: &mut App,
3217 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3218 let include_line_numbers = snapshot
3219 .show_line_numbers
3220 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3221 if !include_line_numbers {
3222 return Arc::default();
3223 }
3224
3225 let (newest_selection_head, relative) = self.editor.update(cx, |editor, cx| {
3226 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3227 let newest = editor
3228 .selections
3229 .newest::<Point>(&editor.display_snapshot(cx));
3230 SelectionLayout::new(
3231 newest,
3232 editor.selections.line_mode(),
3233 editor.cursor_shape,
3234 &snapshot.display_snapshot,
3235 true,
3236 true,
3237 None,
3238 )
3239 .head
3240 });
3241 let relative = editor.relative_line_numbers(cx);
3242 (newest_selection_head, relative)
3243 });
3244
3245 let relative_to = if relative.enabled() {
3246 Some(newest_selection_head.row())
3247 } else {
3248 None
3249 };
3250 let relative_rows = self.calculate_relative_line_numbers(
3251 &buffer_rows,
3252 &rows,
3253 relative_to,
3254 relative.wrapped(),
3255 );
3256 let mut line_number = String::new();
3257 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3258 let display_row = DisplayRow(rows.start.0 + ix as u32);
3259 line_number.clear();
3260 let non_relative_number = if relative.wrapped() {
3261 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3262 } else {
3263 row_info.buffer_row? + 1
3264 };
3265 let number = relative_rows
3266 .get(&display_row)
3267 .unwrap_or(&non_relative_number);
3268 write!(&mut line_number, "{number}").unwrap();
3269 if row_info
3270 .diff_status
3271 .is_some_and(|status| status.is_deleted())
3272 {
3273 return None;
3274 }
3275
3276 let color = active_rows
3277 .get(&display_row)
3278 .map(|spec| {
3279 if spec.breakpoint {
3280 cx.theme().colors().debugger_accent
3281 } else {
3282 cx.theme().colors().editor_active_line_number
3283 }
3284 })
3285 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3286 let shaped_line =
3287 self.shape_line_number(SharedString::from(&line_number), color, window);
3288 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3289 let line_origin = gutter_hitbox.map(|hitbox| {
3290 hitbox.origin
3291 + point(
3292 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3293 ix as f32 * line_height
3294 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3295 )
3296 });
3297
3298 #[cfg(not(test))]
3299 let hitbox = line_origin.map(|line_origin| {
3300 window.insert_hitbox(
3301 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3302 HitboxBehavior::Normal,
3303 )
3304 });
3305 #[cfg(test)]
3306 let hitbox = {
3307 let _ = line_origin;
3308 None
3309 };
3310
3311 let segment = LineNumberSegment {
3312 shaped_line,
3313 hitbox,
3314 };
3315
3316 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3317 let multi_buffer_row = MultiBufferRow(buffer_row);
3318
3319 Some((multi_buffer_row, segment))
3320 });
3321
3322 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3323 for (buffer_row, segment) in segments {
3324 line_numbers
3325 .entry(buffer_row)
3326 .or_insert_with(|| LineNumberLayout {
3327 segments: Default::default(),
3328 })
3329 .segments
3330 .push(segment);
3331 }
3332 Arc::new(line_numbers)
3333 }
3334
3335 fn layout_crease_toggles(
3336 &self,
3337 rows: Range<DisplayRow>,
3338 row_infos: &[RowInfo],
3339 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3340 snapshot: &EditorSnapshot,
3341 window: &mut Window,
3342 cx: &mut App,
3343 ) -> Vec<Option<AnyElement>> {
3344 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3345 && snapshot.mode.is_full()
3346 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3347 if include_fold_statuses {
3348 row_infos
3349 .iter()
3350 .enumerate()
3351 .map(|(ix, info)| {
3352 if info.expand_info.is_some() {
3353 return None;
3354 }
3355 let row = info.multibuffer_row?;
3356 let display_row = DisplayRow(rows.start.0 + ix as u32);
3357 let active = active_rows.contains_key(&display_row);
3358
3359 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3360 })
3361 .collect()
3362 } else {
3363 Vec::new()
3364 }
3365 }
3366
3367 fn layout_crease_trailers(
3368 &self,
3369 buffer_rows: impl IntoIterator<Item = RowInfo>,
3370 snapshot: &EditorSnapshot,
3371 window: &mut Window,
3372 cx: &mut App,
3373 ) -> Vec<Option<AnyElement>> {
3374 buffer_rows
3375 .into_iter()
3376 .map(|row_info| {
3377 if row_info.expand_info.is_some() {
3378 return None;
3379 }
3380 if let Some(row) = row_info.multibuffer_row {
3381 snapshot.render_crease_trailer(row, window, cx)
3382 } else {
3383 None
3384 }
3385 })
3386 .collect()
3387 }
3388
3389 fn bg_segments_per_row(
3390 rows: Range<DisplayRow>,
3391 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3392 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3393 base_background: Hsla,
3394 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3395 if rows.start >= rows.end {
3396 return Vec::new();
3397 }
3398 if !base_background.is_opaque() {
3399 // We don't actually know what color is behind this editor.
3400 return Vec::new();
3401 }
3402 let highlight_iter = highlight_ranges.iter().cloned();
3403 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3404 let color = player_color.selection;
3405 layouts.iter().filter_map(move |selection_layout| {
3406 if selection_layout.range.start != selection_layout.range.end {
3407 Some((selection_layout.range.clone(), color))
3408 } else {
3409 None
3410 }
3411 })
3412 });
3413 let mut per_row_map = vec![Vec::new(); rows.len()];
3414 for (range, color) in highlight_iter.chain(selection_iter) {
3415 let covered_rows = if range.end.column() == 0 {
3416 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3417 } else {
3418 cmp::max(range.start.row(), rows.start)
3419 ..cmp::min(range.end.row().next_row(), rows.end)
3420 };
3421 for row in covered_rows.iter_rows() {
3422 let seg_start = if row == range.start.row() {
3423 range.start
3424 } else {
3425 DisplayPoint::new(row, 0)
3426 };
3427 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3428 range.end
3429 } else {
3430 DisplayPoint::new(row, u32::MAX)
3431 };
3432 let ix = row.minus(rows.start) as usize;
3433 debug_assert!(row >= rows.start && row < rows.end);
3434 debug_assert!(ix < per_row_map.len());
3435 per_row_map[ix].push((seg_start..seg_end, color));
3436 }
3437 }
3438 for row_segments in per_row_map.iter_mut() {
3439 if row_segments.is_empty() {
3440 continue;
3441 }
3442 let segments = mem::take(row_segments);
3443 let merged = Self::merge_overlapping_ranges(segments, base_background);
3444 *row_segments = merged;
3445 }
3446 per_row_map
3447 }
3448
3449 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3450 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3451 ///
3452 /// Expects `start.row() == end.row()` for each range.
3453 fn merge_overlapping_ranges(
3454 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3455 base_background: Hsla,
3456 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3457 struct Boundary {
3458 pos: DisplayPoint,
3459 is_start: bool,
3460 index: usize,
3461 color: Hsla,
3462 }
3463
3464 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3465 for (index, (range, color)) in ranges.iter().enumerate() {
3466 debug_assert!(
3467 range.start.row() == range.end.row(),
3468 "expects single-row ranges"
3469 );
3470 if range.start < range.end {
3471 boundaries.push(Boundary {
3472 pos: range.start,
3473 is_start: true,
3474 index,
3475 color: *color,
3476 });
3477 boundaries.push(Boundary {
3478 pos: range.end,
3479 is_start: false,
3480 index,
3481 color: *color,
3482 });
3483 }
3484 }
3485
3486 if boundaries.is_empty() {
3487 return Vec::new();
3488 }
3489
3490 boundaries
3491 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3492
3493 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3494 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3495
3496 let mut i = 0;
3497 let mut start_pos = boundaries[0].pos;
3498
3499 let boundaries_len = boundaries.len();
3500 while i < boundaries_len {
3501 let current_boundary_pos = boundaries[i].pos;
3502 if start_pos < current_boundary_pos {
3503 if !active_ranges.is_empty() {
3504 let mut color = base_background;
3505 for &(_, c) in &active_ranges {
3506 color = Hsla::blend(color, c);
3507 }
3508 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3509 if *last_color == color && last_range.end == start_pos {
3510 last_range.end = current_boundary_pos;
3511 } else {
3512 processed_ranges.push((start_pos..current_boundary_pos, color));
3513 }
3514 } else {
3515 processed_ranges.push((start_pos..current_boundary_pos, color));
3516 }
3517 }
3518 }
3519 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3520 let active_range = &boundaries[i];
3521 if active_range.is_start {
3522 let idx = active_range.index;
3523 let pos = active_ranges
3524 .binary_search_by_key(&idx, |(i, _)| *i)
3525 .unwrap_or_else(|p| p);
3526 active_ranges.insert(pos, (idx, active_range.color));
3527 } else {
3528 let idx = active_range.index;
3529 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3530 active_ranges.remove(pos);
3531 }
3532 }
3533 i += 1;
3534 }
3535 start_pos = current_boundary_pos;
3536 }
3537
3538 processed_ranges
3539 }
3540
3541 fn layout_lines(
3542 rows: Range<DisplayRow>,
3543 snapshot: &EditorSnapshot,
3544 style: &EditorStyle,
3545 editor_width: Pixels,
3546 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3547 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3548 window: &mut Window,
3549 cx: &mut App,
3550 ) -> Vec<LineWithInvisibles> {
3551 if rows.start >= rows.end {
3552 return Vec::new();
3553 }
3554
3555 // Show the placeholder when the editor is empty
3556 if snapshot.is_empty() {
3557 let font_size = style.text.font_size.to_pixels(window.rem_size());
3558 let placeholder_color = cx.theme().colors().text_placeholder;
3559 let placeholder_text = snapshot.placeholder_text();
3560
3561 let placeholder_lines = placeholder_text
3562 .as_ref()
3563 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3564
3565 let placeholder_line_count = placeholder_lines.len();
3566
3567 placeholder_lines
3568 .into_iter()
3569 .skip(rows.start.0 as usize)
3570 .chain(iter::repeat(""))
3571 .take(cmp::max(rows.len(), placeholder_line_count))
3572 .map(move |line| {
3573 let run = TextRun {
3574 len: line.len(),
3575 font: style.text.font(),
3576 color: placeholder_color,
3577 background_color: None,
3578 underline: None,
3579 strikethrough: None,
3580 };
3581 let line = window.text_system().shape_line(
3582 line.to_string().into(),
3583 font_size,
3584 &[run],
3585 None,
3586 );
3587 LineWithInvisibles {
3588 width: line.width,
3589 len: line.len,
3590 fragments: smallvec![LineFragment::Text(line)],
3591 invisibles: Vec::new(),
3592 font_size,
3593 }
3594 })
3595 .collect()
3596 } else {
3597 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3598 LineWithInvisibles::from_chunks(
3599 chunks,
3600 style,
3601 MAX_LINE_LEN,
3602 rows.len(),
3603 &snapshot.mode,
3604 editor_width,
3605 is_row_soft_wrapped,
3606 bg_segments_per_row,
3607 window,
3608 cx,
3609 )
3610 }
3611 }
3612
3613 fn prepaint_lines(
3614 &self,
3615 start_row: DisplayRow,
3616 line_layouts: &mut [LineWithInvisibles],
3617 line_height: Pixels,
3618 scroll_position: gpui::Point<ScrollOffset>,
3619 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3620 content_origin: gpui::Point<Pixels>,
3621 window: &mut Window,
3622 cx: &mut App,
3623 ) -> SmallVec<[AnyElement; 1]> {
3624 let mut line_elements = SmallVec::new();
3625 for (ix, line) in line_layouts.iter_mut().enumerate() {
3626 let row = start_row + DisplayRow(ix as u32);
3627 line.prepaint(
3628 line_height,
3629 scroll_position,
3630 scroll_pixel_position,
3631 row,
3632 content_origin,
3633 &mut line_elements,
3634 window,
3635 cx,
3636 );
3637 }
3638 line_elements
3639 }
3640
3641 fn render_block(
3642 &self,
3643 block: &Block,
3644 available_width: AvailableSpace,
3645 block_id: BlockId,
3646 block_row_start: DisplayRow,
3647 snapshot: &EditorSnapshot,
3648 text_x: Pixels,
3649 rows: &Range<DisplayRow>,
3650 line_layouts: &[LineWithInvisibles],
3651 editor_margins: &EditorMargins,
3652 line_height: Pixels,
3653 em_width: Pixels,
3654 text_hitbox: &Hitbox,
3655 editor_width: Pixels,
3656 scroll_width: &mut Pixels,
3657 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3658 row_block_types: &mut HashMap<DisplayRow, bool>,
3659 selections: &[Selection<Point>],
3660 selected_buffer_ids: &Vec<BufferId>,
3661 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3662 sticky_header_excerpt_id: Option<ExcerptId>,
3663 window: &mut Window,
3664 cx: &mut App,
3665 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3666 let mut x_position = None;
3667 let mut element = match block {
3668 Block::Custom(custom) => {
3669 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3670 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3671 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3672 return None;
3673 }
3674 let align_to = block_start.to_display_point(snapshot);
3675 let x_and_width = |layout: &LineWithInvisibles| {
3676 Some((
3677 text_x + layout.x_for_index(align_to.column() as usize),
3678 text_x + layout.width,
3679 ))
3680 };
3681 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3682 x_position =
3683 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3684 x_and_width(layout)
3685 } else {
3686 x_and_width(&layout_line(
3687 align_to.row(),
3688 snapshot,
3689 &self.style,
3690 editor_width,
3691 is_row_soft_wrapped,
3692 window,
3693 cx,
3694 ))
3695 };
3696
3697 let anchor_x = x_position.unwrap().0;
3698
3699 let selected = selections
3700 .binary_search_by(|selection| {
3701 if selection.end <= block_start {
3702 Ordering::Less
3703 } else if selection.start >= block_end {
3704 Ordering::Greater
3705 } else {
3706 Ordering::Equal
3707 }
3708 })
3709 .is_ok();
3710
3711 div()
3712 .size_full()
3713 .child(custom.render(&mut BlockContext {
3714 window,
3715 app: cx,
3716 anchor_x,
3717 margins: editor_margins,
3718 line_height,
3719 em_width,
3720 block_id,
3721 selected,
3722 max_width: text_hitbox.size.width.max(*scroll_width),
3723 editor_style: &self.style,
3724 }))
3725 .into_any()
3726 }
3727
3728 Block::FoldedBuffer {
3729 first_excerpt,
3730 height,
3731 ..
3732 } => {
3733 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3734 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3735
3736 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3737 result
3738 .child(self.render_buffer_header(
3739 first_excerpt,
3740 true,
3741 selected,
3742 false,
3743 jump_data,
3744 window,
3745 cx,
3746 ))
3747 .into_any_element()
3748 }
3749
3750 Block::ExcerptBoundary { .. } => {
3751 let color = cx.theme().colors().clone();
3752 let mut result = v_flex().id(block_id).w_full();
3753
3754 result = result.child(
3755 h_flex().relative().child(
3756 div()
3757 .top(line_height / 2.)
3758 .absolute()
3759 .w_full()
3760 .h_px()
3761 .bg(color.border_variant),
3762 ),
3763 );
3764
3765 result.into_any()
3766 }
3767
3768 Block::BufferHeader { excerpt, height } => {
3769 let mut result = v_flex().id(block_id).w_full();
3770
3771 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3772
3773 if sticky_header_excerpt_id != Some(excerpt.id) {
3774 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3775
3776 result = result.child(div().pr(editor_margins.right).child(
3777 self.render_buffer_header(
3778 excerpt, false, selected, false, jump_data, window, cx,
3779 ),
3780 ));
3781 } else {
3782 result =
3783 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3784 }
3785
3786 result.into_any()
3787 }
3788 };
3789
3790 // Discover the element's content height, then round up to the nearest multiple of line height.
3791 let preliminary_size = element.layout_as_root(
3792 size(available_width, AvailableSpace::MinContent),
3793 window,
3794 cx,
3795 );
3796 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3797 let final_size = if preliminary_size.height == quantized_height {
3798 preliminary_size
3799 } else {
3800 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3801 };
3802 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3803
3804 let mut row = block_row_start;
3805 let mut x_offset = px(0.);
3806 let mut is_block = true;
3807
3808 if let BlockId::Custom(custom_block_id) = block_id
3809 && block.has_height()
3810 {
3811 if block.place_near()
3812 && let Some((x_target, line_width)) = x_position
3813 {
3814 let margin = em_width * 2;
3815 if line_width + final_size.width + margin
3816 < editor_width + editor_margins.gutter.full_width()
3817 && !row_block_types.contains_key(&(row - 1))
3818 && element_height_in_lines == 1
3819 {
3820 x_offset = line_width + margin;
3821 row = row - 1;
3822 is_block = false;
3823 element_height_in_lines = 0;
3824 row_block_types.insert(row, is_block);
3825 } else {
3826 let max_offset =
3827 editor_width + editor_margins.gutter.full_width() - final_size.width;
3828 let min_offset = (x_target + em_width - final_size.width)
3829 .max(editor_margins.gutter.full_width());
3830 x_offset = x_target.min(max_offset).max(min_offset);
3831 }
3832 };
3833 if element_height_in_lines != block.height() {
3834 resized_blocks.insert(custom_block_id, element_height_in_lines);
3835 }
3836 }
3837 for i in 0..element_height_in_lines {
3838 row_block_types.insert(row + i, is_block);
3839 }
3840
3841 Some((element, final_size, row, x_offset))
3842 }
3843
3844 fn render_buffer_header(
3845 &self,
3846 for_excerpt: &ExcerptInfo,
3847 is_folded: bool,
3848 is_selected: bool,
3849 is_sticky: bool,
3850 jump_data: JumpData,
3851 window: &mut Window,
3852 cx: &mut App,
3853 ) -> impl IntoElement {
3854 let editor = self.editor.read(cx);
3855 let multi_buffer = editor.buffer.read(cx);
3856 let file_status = multi_buffer
3857 .all_diff_hunks_expanded()
3858 .then(|| editor.status_for_buffer_id(for_excerpt.buffer_id, cx))
3859 .flatten();
3860 let indicator = multi_buffer
3861 .buffer(for_excerpt.buffer_id)
3862 .and_then(|buffer| {
3863 let buffer = buffer.read(cx);
3864 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3865 (true, _) => Some(Color::Warning),
3866 (_, true) => Some(Color::Accent),
3867 (false, false) => None,
3868 };
3869 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3870 });
3871
3872 let include_root = editor
3873 .project
3874 .as_ref()
3875 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3876 .unwrap_or_default();
3877 let file = for_excerpt.buffer.file();
3878 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3879 let path_style = file.map(|file| file.path_style(cx));
3880 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3881 let (parent_path, filename) = if let Some(path) = &relative_path {
3882 if let Some(path_style) = path_style {
3883 let (dir, file_name) = path_style.split(path);
3884 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3885 } else {
3886 (None, Some(path.clone()))
3887 }
3888 } else {
3889 (None, None)
3890 };
3891 let focus_handle = editor.focus_handle(cx);
3892 let colors = cx.theme().colors();
3893
3894 let header = div()
3895 .p_1()
3896 .w_full()
3897 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3898 .child(
3899 h_flex()
3900 .size_full()
3901 .gap_2()
3902 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3903 .pl_0p5()
3904 .pr_5()
3905 .rounded_sm()
3906 .when(is_sticky, |el| el.shadow_md())
3907 .border_1()
3908 .map(|div| {
3909 let border_color = if is_selected
3910 && is_folded
3911 && focus_handle.contains_focused(window, cx)
3912 {
3913 colors.border_focused
3914 } else {
3915 colors.border
3916 };
3917 div.border_color(border_color)
3918 })
3919 .bg(colors.editor_subheader_background)
3920 .hover(|style| style.bg(colors.element_hover))
3921 .map(|header| {
3922 let editor = self.editor.clone();
3923 let buffer_id = for_excerpt.buffer_id;
3924 let toggle_chevron_icon =
3925 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3926 header.child(
3927 div()
3928 .hover(|style| style.bg(colors.element_selected))
3929 .rounded_xs()
3930 .child(
3931 ButtonLike::new("toggle-buffer-fold")
3932 .style(ui::ButtonStyle::Transparent)
3933 .height(px(28.).into())
3934 .width(px(28.))
3935 .children(toggle_chevron_icon)
3936 .tooltip({
3937 let focus_handle = focus_handle.clone();
3938 move |_window, cx| {
3939 Tooltip::with_meta_in(
3940 "Toggle Excerpt Fold",
3941 Some(&ToggleFold),
3942 format!(
3943 "{} to toggle all",
3944 text_for_keystroke(
3945 &Modifiers::alt(),
3946 "click",
3947 cx
3948 )
3949 ),
3950 &focus_handle,
3951 cx,
3952 )
3953 }
3954 })
3955 .on_click(move |event, window, cx| {
3956 if event.modifiers().alt {
3957 // Alt+click toggles all buffers
3958 editor.update(cx, |editor, cx| {
3959 editor.toggle_fold_all(
3960 &ToggleFoldAll,
3961 window,
3962 cx,
3963 );
3964 });
3965 } else {
3966 // Regular click toggles single buffer
3967 if is_folded {
3968 editor.update(cx, |editor, cx| {
3969 editor.unfold_buffer(buffer_id, cx);
3970 });
3971 } else {
3972 editor.update(cx, |editor, cx| {
3973 editor.fold_buffer(buffer_id, cx);
3974 });
3975 }
3976 }
3977 }),
3978 ),
3979 )
3980 })
3981 .children(
3982 editor
3983 .addons
3984 .values()
3985 .filter_map(|addon| {
3986 addon.render_buffer_header_controls(for_excerpt, window, cx)
3987 })
3988 .take(1),
3989 )
3990 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3991 .child(
3992 h_flex()
3993 .cursor_pointer()
3994 .id("path header block")
3995 .size_full()
3996 .justify_between()
3997 .overflow_hidden()
3998 .child(
3999 h_flex()
4000 .gap_2()
4001 .map(|path_header| {
4002 let filename = filename
4003 .map(SharedString::from)
4004 .unwrap_or_else(|| "untitled".into());
4005
4006 path_header
4007 .when(ItemSettings::get_global(cx).file_icons, |el| {
4008 let path = path::Path::new(filename.as_str());
4009 let icon = FileIcons::get_icon(path, cx)
4010 .unwrap_or_default();
4011 let icon =
4012 Icon::from_path(icon).color(Color::Muted);
4013 el.child(icon)
4014 })
4015 .child(Label::new(filename).single_line().when_some(
4016 file_status,
4017 |el, status| {
4018 el.color(if status.is_conflicted() {
4019 Color::Conflict
4020 } else if status.is_modified() {
4021 Color::Modified
4022 } else if status.is_deleted() {
4023 Color::Disabled
4024 } else {
4025 Color::Created
4026 })
4027 .when(status.is_deleted(), |el| {
4028 el.strikethrough()
4029 })
4030 },
4031 ))
4032 })
4033 .when_some(parent_path, |then, path| {
4034 then.child(div().child(path).text_color(
4035 if file_status.is_some_and(FileStatus::is_deleted) {
4036 colors.text_disabled
4037 } else {
4038 colors.text_muted
4039 },
4040 ))
4041 }),
4042 )
4043 .when(
4044 can_open_excerpts && is_selected && relative_path.is_some(),
4045 |el| {
4046 el.child(
4047 h_flex()
4048 .id("jump-to-file-button")
4049 .gap_2p5()
4050 .child(Label::new("Jump To File"))
4051 .child(KeyBinding::for_action_in(
4052 &OpenExcerpts,
4053 &focus_handle,
4054 cx,
4055 )),
4056 )
4057 },
4058 )
4059 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4060 .on_click(window.listener_for(&self.editor, {
4061 move |editor, e: &ClickEvent, window, cx| {
4062 editor.open_excerpts_common(
4063 Some(jump_data.clone()),
4064 e.modifiers().secondary(),
4065 window,
4066 cx,
4067 );
4068 }
4069 })),
4070 ),
4071 );
4072
4073 let file = for_excerpt.buffer.file().cloned();
4074 let editor = self.editor.clone();
4075 right_click_menu("buffer-header-context-menu")
4076 .trigger(move |_, _, _| header)
4077 .menu(move |window, cx| {
4078 let menu_context = focus_handle.clone();
4079 let editor = editor.clone();
4080 let file = file.clone();
4081 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4082 if let Some(file) = file
4083 && let Some(project) = editor.read(cx).project()
4084 && let Some(worktree) =
4085 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4086 {
4087 let path_style = file.path_style(cx);
4088 let worktree = worktree.read(cx);
4089 let relative_path = file.path();
4090 let entry_for_path = worktree.entry_for_path(relative_path);
4091 let abs_path = entry_for_path.map(|e| {
4092 e.canonical_path.as_deref().map_or_else(
4093 || worktree.absolutize(relative_path),
4094 Path::to_path_buf,
4095 )
4096 });
4097 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4098
4099 let parent_abs_path = abs_path
4100 .as_ref()
4101 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4102 let relative_path = has_relative_path
4103 .then_some(relative_path)
4104 .map(ToOwned::to_owned);
4105
4106 let visible_in_project_panel =
4107 relative_path.is_some() && worktree.is_visible();
4108 let reveal_in_project_panel = entry_for_path
4109 .filter(|_| visible_in_project_panel)
4110 .map(|entry| entry.id);
4111 menu = menu
4112 .when_some(abs_path, |menu, abs_path| {
4113 menu.entry(
4114 "Copy Path",
4115 Some(Box::new(zed_actions::workspace::CopyPath)),
4116 window.handler_for(&editor, move |_, _, cx| {
4117 cx.write_to_clipboard(ClipboardItem::new_string(
4118 abs_path.to_string_lossy().into_owned(),
4119 ));
4120 }),
4121 )
4122 })
4123 .when_some(relative_path, |menu, relative_path| {
4124 menu.entry(
4125 "Copy Relative Path",
4126 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4127 window.handler_for(&editor, move |_, _, cx| {
4128 cx.write_to_clipboard(ClipboardItem::new_string(
4129 relative_path.display(path_style).to_string(),
4130 ));
4131 }),
4132 )
4133 })
4134 .when(
4135 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4136 |menu| menu.separator(),
4137 )
4138 .when_some(reveal_in_project_panel, |menu, entry_id| {
4139 menu.entry(
4140 "Reveal In Project Panel",
4141 Some(Box::new(RevealInProjectPanel::default())),
4142 window.handler_for(&editor, move |editor, _, cx| {
4143 if let Some(project) = &mut editor.project {
4144 project.update(cx, |_, cx| {
4145 cx.emit(project::Event::RevealInProjectPanel(
4146 entry_id,
4147 ))
4148 });
4149 }
4150 }),
4151 )
4152 })
4153 .when_some(parent_abs_path, |menu, parent_abs_path| {
4154 menu.entry(
4155 "Open in Terminal",
4156 Some(Box::new(OpenInTerminal)),
4157 window.handler_for(&editor, move |_, window, cx| {
4158 window.dispatch_action(
4159 OpenTerminal {
4160 working_directory: parent_abs_path.clone(),
4161 }
4162 .boxed_clone(),
4163 cx,
4164 );
4165 }),
4166 )
4167 });
4168 }
4169
4170 menu.context(menu_context)
4171 })
4172 })
4173 }
4174
4175 fn render_blocks(
4176 &self,
4177 rows: Range<DisplayRow>,
4178 snapshot: &EditorSnapshot,
4179 hitbox: &Hitbox,
4180 text_hitbox: &Hitbox,
4181 editor_width: Pixels,
4182 scroll_width: &mut Pixels,
4183 editor_margins: &EditorMargins,
4184 em_width: Pixels,
4185 text_x: Pixels,
4186 line_height: Pixels,
4187 line_layouts: &mut [LineWithInvisibles],
4188 selections: &[Selection<Point>],
4189 selected_buffer_ids: &Vec<BufferId>,
4190 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4191 sticky_header_excerpt_id: Option<ExcerptId>,
4192 window: &mut Window,
4193 cx: &mut App,
4194 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4195 let (fixed_blocks, non_fixed_blocks) = snapshot
4196 .blocks_in_range(rows.clone())
4197 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4198
4199 let mut focused_block = self
4200 .editor
4201 .update(cx, |editor, _| editor.take_focused_block());
4202 let mut fixed_block_max_width = Pixels::ZERO;
4203 let mut blocks = Vec::new();
4204 let mut resized_blocks = HashMap::default();
4205 let mut row_block_types = HashMap::default();
4206
4207 for (row, block) in fixed_blocks {
4208 let block_id = block.id();
4209
4210 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4211 focused_block = None;
4212 }
4213
4214 if let Some((element, element_size, row, x_offset)) = self.render_block(
4215 block,
4216 AvailableSpace::MinContent,
4217 block_id,
4218 row,
4219 snapshot,
4220 text_x,
4221 &rows,
4222 line_layouts,
4223 editor_margins,
4224 line_height,
4225 em_width,
4226 text_hitbox,
4227 editor_width,
4228 scroll_width,
4229 &mut resized_blocks,
4230 &mut row_block_types,
4231 selections,
4232 selected_buffer_ids,
4233 is_row_soft_wrapped,
4234 sticky_header_excerpt_id,
4235 window,
4236 cx,
4237 ) {
4238 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4239 blocks.push(BlockLayout {
4240 id: block_id,
4241 x_offset,
4242 row: Some(row),
4243 element,
4244 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4245 style: BlockStyle::Fixed,
4246 overlaps_gutter: true,
4247 is_buffer_header: block.is_buffer_header(),
4248 });
4249 }
4250 }
4251
4252 for (row, block) in non_fixed_blocks {
4253 let style = block.style();
4254 let width = match (style, block.place_near()) {
4255 (_, true) => AvailableSpace::MinContent,
4256 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4257 (BlockStyle::Flex, _) => hitbox
4258 .size
4259 .width
4260 .max(fixed_block_max_width)
4261 .max(editor_margins.gutter.width + *scroll_width)
4262 .into(),
4263 (BlockStyle::Fixed, _) => unreachable!(),
4264 };
4265 let block_id = block.id();
4266
4267 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4268 focused_block = None;
4269 }
4270
4271 if let Some((element, element_size, row, x_offset)) = self.render_block(
4272 block,
4273 width,
4274 block_id,
4275 row,
4276 snapshot,
4277 text_x,
4278 &rows,
4279 line_layouts,
4280 editor_margins,
4281 line_height,
4282 em_width,
4283 text_hitbox,
4284 editor_width,
4285 scroll_width,
4286 &mut resized_blocks,
4287 &mut row_block_types,
4288 selections,
4289 selected_buffer_ids,
4290 is_row_soft_wrapped,
4291 sticky_header_excerpt_id,
4292 window,
4293 cx,
4294 ) {
4295 blocks.push(BlockLayout {
4296 id: block_id,
4297 x_offset,
4298 row: Some(row),
4299 element,
4300 available_space: size(width, element_size.height.into()),
4301 style,
4302 overlaps_gutter: !block.place_near(),
4303 is_buffer_header: block.is_buffer_header(),
4304 });
4305 }
4306 }
4307
4308 if let Some(focused_block) = focused_block
4309 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4310 && focus_handle.is_focused(window)
4311 && let Some(block) = snapshot.block_for_id(focused_block.id)
4312 {
4313 let style = block.style();
4314 let width = match style {
4315 BlockStyle::Fixed => AvailableSpace::MinContent,
4316 BlockStyle::Flex => AvailableSpace::Definite(
4317 hitbox
4318 .size
4319 .width
4320 .max(fixed_block_max_width)
4321 .max(editor_margins.gutter.width + *scroll_width),
4322 ),
4323 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4324 };
4325
4326 if let Some((element, element_size, _, x_offset)) = self.render_block(
4327 &block,
4328 width,
4329 focused_block.id,
4330 rows.end,
4331 snapshot,
4332 text_x,
4333 &rows,
4334 line_layouts,
4335 editor_margins,
4336 line_height,
4337 em_width,
4338 text_hitbox,
4339 editor_width,
4340 scroll_width,
4341 &mut resized_blocks,
4342 &mut row_block_types,
4343 selections,
4344 selected_buffer_ids,
4345 is_row_soft_wrapped,
4346 sticky_header_excerpt_id,
4347 window,
4348 cx,
4349 ) {
4350 blocks.push(BlockLayout {
4351 id: block.id(),
4352 x_offset,
4353 row: None,
4354 element,
4355 available_space: size(width, element_size.height.into()),
4356 style,
4357 overlaps_gutter: true,
4358 is_buffer_header: block.is_buffer_header(),
4359 });
4360 }
4361 }
4362
4363 if resized_blocks.is_empty() {
4364 *scroll_width =
4365 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4366 Ok((blocks, row_block_types))
4367 } else {
4368 Err(resized_blocks)
4369 }
4370 }
4371
4372 fn layout_blocks(
4373 &self,
4374 blocks: &mut Vec<BlockLayout>,
4375 hitbox: &Hitbox,
4376 line_height: Pixels,
4377 scroll_position: gpui::Point<ScrollOffset>,
4378 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4379 window: &mut Window,
4380 cx: &mut App,
4381 ) {
4382 for block in blocks {
4383 let mut origin = if let Some(row) = block.row {
4384 hitbox.origin
4385 + point(
4386 block.x_offset,
4387 Pixels::from(
4388 (row.as_f64() - scroll_position.y)
4389 * ScrollPixelOffset::from(line_height),
4390 ),
4391 )
4392 } else {
4393 // Position the block outside the visible area
4394 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4395 };
4396
4397 if !matches!(block.style, BlockStyle::Sticky) {
4398 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4399 }
4400
4401 let focus_handle =
4402 block
4403 .element
4404 .prepaint_as_root(origin, block.available_space, window, cx);
4405
4406 if let Some(focus_handle) = focus_handle {
4407 self.editor.update(cx, |editor, _cx| {
4408 editor.set_focused_block(FocusedBlock {
4409 id: block.id,
4410 focus_handle: focus_handle.downgrade(),
4411 });
4412 });
4413 }
4414 }
4415 }
4416
4417 fn layout_sticky_buffer_header(
4418 &self,
4419 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4420 scroll_position: gpui::Point<ScrollOffset>,
4421 line_height: Pixels,
4422 right_margin: Pixels,
4423 snapshot: &EditorSnapshot,
4424 hitbox: &Hitbox,
4425 selected_buffer_ids: &Vec<BufferId>,
4426 blocks: &[BlockLayout],
4427 window: &mut Window,
4428 cx: &mut App,
4429 ) -> AnyElement {
4430 let jump_data = header_jump_data(
4431 snapshot,
4432 DisplayRow(scroll_position.y as u32),
4433 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4434 excerpt,
4435 );
4436
4437 let editor_bg_color = cx.theme().colors().editor_background;
4438
4439 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4440
4441 let available_width = hitbox.bounds.size.width - right_margin;
4442
4443 let mut header = v_flex()
4444 .w_full()
4445 .relative()
4446 .child(
4447 div()
4448 .w(available_width)
4449 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4450 .bg(linear_gradient(
4451 0.,
4452 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4453 linear_color_stop(editor_bg_color, 0.6),
4454 ))
4455 .absolute()
4456 .top_0(),
4457 )
4458 .child(
4459 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4460 .into_any_element(),
4461 )
4462 .into_any_element();
4463
4464 let mut origin = hitbox.origin;
4465 // Move floating header up to avoid colliding with the next buffer header.
4466 for block in blocks.iter() {
4467 if !block.is_buffer_header {
4468 continue;
4469 }
4470
4471 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4472 continue;
4473 };
4474
4475 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4476 let offset = scroll_position.y - max_row as f64;
4477
4478 if offset > 0.0 {
4479 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4480 }
4481 break;
4482 }
4483
4484 let size = size(
4485 AvailableSpace::Definite(available_width),
4486 AvailableSpace::MinContent,
4487 );
4488
4489 header.prepaint_as_root(origin, size, window, cx);
4490
4491 header
4492 }
4493
4494 fn layout_cursor_popovers(
4495 &self,
4496 line_height: Pixels,
4497 text_hitbox: &Hitbox,
4498 content_origin: gpui::Point<Pixels>,
4499 right_margin: Pixels,
4500 start_row: DisplayRow,
4501 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4502 line_layouts: &[LineWithInvisibles],
4503 cursor: DisplayPoint,
4504 cursor_point: Point,
4505 style: &EditorStyle,
4506 window: &mut Window,
4507 cx: &mut App,
4508 ) -> Option<ContextMenuLayout> {
4509 let mut min_menu_height = Pixels::ZERO;
4510 let mut max_menu_height = Pixels::ZERO;
4511 let mut height_above_menu = Pixels::ZERO;
4512 let height_below_menu = Pixels::ZERO;
4513 let mut edit_prediction_popover_visible = false;
4514 let mut context_menu_visible = false;
4515 let context_menu_placement;
4516
4517 {
4518 let editor = self.editor.read(cx);
4519 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4520 {
4521 height_above_menu +=
4522 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4523 edit_prediction_popover_visible = true;
4524 }
4525
4526 if editor.context_menu_visible()
4527 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4528 {
4529 let (min_height_in_lines, max_height_in_lines) = editor
4530 .context_menu_options
4531 .as_ref()
4532 .map_or((3, 12), |options| {
4533 (options.min_entries_visible, options.max_entries_visible)
4534 });
4535
4536 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4537 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4538 context_menu_visible = true;
4539 }
4540 context_menu_placement = editor
4541 .context_menu_options
4542 .as_ref()
4543 .and_then(|options| options.placement.clone());
4544 }
4545
4546 let visible = edit_prediction_popover_visible || context_menu_visible;
4547 if !visible {
4548 return None;
4549 }
4550
4551 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4552 let target_position = content_origin
4553 + gpui::Point {
4554 x: cmp::max(
4555 px(0.),
4556 Pixels::from(
4557 ScrollPixelOffset::from(
4558 cursor_row_layout.x_for_index(cursor.column() as usize),
4559 ) - scroll_pixel_position.x,
4560 ),
4561 ),
4562 y: cmp::max(
4563 px(0.),
4564 Pixels::from(
4565 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4566 - scroll_pixel_position.y,
4567 ),
4568 ),
4569 };
4570
4571 let viewport_bounds =
4572 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4573 right: -right_margin - MENU_GAP,
4574 ..Default::default()
4575 });
4576
4577 let min_height = height_above_menu + min_menu_height + height_below_menu;
4578 let max_height = height_above_menu + max_menu_height + height_below_menu;
4579 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4580 target_position,
4581 line_height,
4582 min_height,
4583 max_height,
4584 context_menu_placement,
4585 text_hitbox,
4586 viewport_bounds,
4587 window,
4588 cx,
4589 |height, max_width_for_stable_x, y_flipped, window, cx| {
4590 // First layout the menu to get its size - others can be at least this wide.
4591 let context_menu = if context_menu_visible {
4592 let menu_height = if y_flipped {
4593 height - height_below_menu
4594 } else {
4595 height - height_above_menu
4596 };
4597 let mut element = self
4598 .render_context_menu(line_height, menu_height, window, cx)
4599 .expect("Visible context menu should always render.");
4600 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4601 Some((CursorPopoverType::CodeContextMenu, element, size))
4602 } else {
4603 None
4604 };
4605 let min_width = context_menu
4606 .as_ref()
4607 .map_or(px(0.), |(_, _, size)| size.width);
4608 let max_width = max_width_for_stable_x.max(
4609 context_menu
4610 .as_ref()
4611 .map_or(px(0.), |(_, _, size)| size.width),
4612 );
4613
4614 let edit_prediction = if edit_prediction_popover_visible {
4615 self.editor.update(cx, move |editor, cx| {
4616 let accept_binding =
4617 editor.accept_edit_prediction_keybind(false, window, cx);
4618 let mut element = editor.render_edit_prediction_cursor_popover(
4619 min_width,
4620 max_width,
4621 cursor_point,
4622 style,
4623 accept_binding.keystroke(),
4624 window,
4625 cx,
4626 )?;
4627 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4628 Some((CursorPopoverType::EditPrediction, element, size))
4629 })
4630 } else {
4631 None
4632 };
4633 vec![edit_prediction, context_menu]
4634 .into_iter()
4635 .flatten()
4636 .collect::<Vec<_>>()
4637 },
4638 )?;
4639
4640 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4641 .iter()
4642 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4643 let last_ix = laid_out_popovers.len() - 1;
4644 let menu_is_last = menu_ix == last_ix;
4645 let first_popover_bounds = laid_out_popovers[0].1;
4646 let last_popover_bounds = laid_out_popovers[last_ix].1;
4647
4648 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4649 // right, and otherwise it goes below or to the right.
4650 let mut target_bounds = Bounds::from_corners(
4651 first_popover_bounds.origin,
4652 last_popover_bounds.bottom_right(),
4653 );
4654 target_bounds.size.width = menu_bounds.size.width;
4655
4656 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4657 // based on this is preferred for layout stability.
4658 let mut max_target_bounds = target_bounds;
4659 max_target_bounds.size.height = max_height;
4660 if y_flipped {
4661 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4662 }
4663
4664 // Add spacing around `target_bounds` and `max_target_bounds`.
4665 let mut extend_amount = Edges::all(MENU_GAP);
4666 if y_flipped {
4667 extend_amount.bottom = line_height;
4668 } else {
4669 extend_amount.top = line_height;
4670 }
4671 let target_bounds = target_bounds.extend(extend_amount);
4672 let max_target_bounds = max_target_bounds.extend(extend_amount);
4673
4674 let must_place_above_or_below =
4675 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4676 laid_out_popovers[menu_ix + 1..]
4677 .iter()
4678 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4679 } else {
4680 false
4681 };
4682
4683 let aside_bounds = self.layout_context_menu_aside(
4684 y_flipped,
4685 *menu_bounds,
4686 target_bounds,
4687 max_target_bounds,
4688 max_menu_height,
4689 must_place_above_or_below,
4690 text_hitbox,
4691 viewport_bounds,
4692 window,
4693 cx,
4694 );
4695
4696 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4697 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4698 Some(*bounds)
4699 } else {
4700 None
4701 }
4702 }) {
4703 let bounds = if let Some(aside_bounds) = aside_bounds {
4704 menu_bounds.union(&aside_bounds)
4705 } else {
4706 menu_bounds
4707 };
4708 return Some(ContextMenuLayout { y_flipped, bounds });
4709 }
4710
4711 None
4712 }
4713
4714 fn layout_gutter_menu(
4715 &self,
4716 line_height: Pixels,
4717 text_hitbox: &Hitbox,
4718 content_origin: gpui::Point<Pixels>,
4719 right_margin: Pixels,
4720 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4721 gutter_overshoot: Pixels,
4722 window: &mut Window,
4723 cx: &mut App,
4724 ) {
4725 let editor = self.editor.read(cx);
4726 if !editor.context_menu_visible() {
4727 return;
4728 }
4729 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4730 editor.context_menu_origin()
4731 else {
4732 return;
4733 };
4734 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4735 // indicator than just a plain first column of the text field.
4736 let target_position = content_origin
4737 + gpui::Point {
4738 x: -gutter_overshoot,
4739 y: Pixels::from(
4740 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4741 - scroll_pixel_position.y,
4742 ),
4743 };
4744
4745 let (min_height_in_lines, max_height_in_lines) = editor
4746 .context_menu_options
4747 .as_ref()
4748 .map_or((3, 12), |options| {
4749 (options.min_entries_visible, options.max_entries_visible)
4750 });
4751
4752 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4753 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4754 let viewport_bounds =
4755 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4756 right: -right_margin - MENU_GAP,
4757 ..Default::default()
4758 });
4759 self.layout_popovers_above_or_below_line(
4760 target_position,
4761 line_height,
4762 min_height,
4763 max_height,
4764 editor
4765 .context_menu_options
4766 .as_ref()
4767 .and_then(|options| options.placement.clone()),
4768 text_hitbox,
4769 viewport_bounds,
4770 window,
4771 cx,
4772 move |height, _max_width_for_stable_x, _, window, cx| {
4773 let mut element = self
4774 .render_context_menu(line_height, height, window, cx)
4775 .expect("Visible context menu should always render.");
4776 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4777 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4778 },
4779 );
4780 }
4781
4782 fn layout_popovers_above_or_below_line(
4783 &self,
4784 target_position: gpui::Point<Pixels>,
4785 line_height: Pixels,
4786 min_height: Pixels,
4787 max_height: Pixels,
4788 placement: Option<ContextMenuPlacement>,
4789 text_hitbox: &Hitbox,
4790 viewport_bounds: Bounds<Pixels>,
4791 window: &mut Window,
4792 cx: &mut App,
4793 make_sized_popovers: impl FnOnce(
4794 Pixels,
4795 Pixels,
4796 bool,
4797 &mut Window,
4798 &mut App,
4799 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4800 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4801 let text_style = TextStyleRefinement {
4802 line_height: Some(DefiniteLength::Fraction(
4803 BufferLineHeight::Comfortable.value(),
4804 )),
4805 ..Default::default()
4806 };
4807 window.with_text_style(Some(text_style), |window| {
4808 // If the max height won't fit below and there is more space above, put it above the line.
4809 let bottom_y_when_flipped = target_position.y - line_height;
4810 let available_above = bottom_y_when_flipped - text_hitbox.top();
4811 let available_below = text_hitbox.bottom() - target_position.y;
4812 let y_overflows_below = max_height > available_below;
4813 let mut y_flipped = match placement {
4814 Some(ContextMenuPlacement::Above) => true,
4815 Some(ContextMenuPlacement::Below) => false,
4816 None => y_overflows_below && available_above > available_below,
4817 };
4818 let mut height = cmp::min(
4819 max_height,
4820 if y_flipped {
4821 available_above
4822 } else {
4823 available_below
4824 },
4825 );
4826
4827 // If the min height doesn't fit within text bounds, instead fit within the window.
4828 if height < min_height {
4829 let available_above = bottom_y_when_flipped;
4830 let available_below = viewport_bounds.bottom() - target_position.y;
4831 let (y_flipped_override, height_override) = match placement {
4832 Some(ContextMenuPlacement::Above) => {
4833 (true, cmp::min(available_above, min_height))
4834 }
4835 Some(ContextMenuPlacement::Below) => {
4836 (false, cmp::min(available_below, min_height))
4837 }
4838 None => {
4839 if available_below > min_height {
4840 (false, min_height)
4841 } else if available_above > min_height {
4842 (true, min_height)
4843 } else if available_above > available_below {
4844 (true, available_above)
4845 } else {
4846 (false, available_below)
4847 }
4848 }
4849 };
4850 y_flipped = y_flipped_override;
4851 height = height_override;
4852 }
4853
4854 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4855
4856 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4857 // for very narrow windows.
4858 let popovers =
4859 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4860 if popovers.is_empty() {
4861 return None;
4862 }
4863
4864 let max_width = popovers
4865 .iter()
4866 .map(|(_, _, size)| size.width)
4867 .max()
4868 .unwrap_or_default();
4869
4870 let mut current_position = gpui::Point {
4871 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4872 // overflow. Include space for the scrollbar.
4873 x: target_position
4874 .x
4875 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4876 y: if y_flipped {
4877 bottom_y_when_flipped
4878 } else {
4879 target_position.y
4880 },
4881 };
4882
4883 let mut laid_out_popovers = popovers
4884 .into_iter()
4885 .map(|(popover_type, element, size)| {
4886 if y_flipped {
4887 current_position.y -= size.height;
4888 }
4889 let position = current_position;
4890 window.defer_draw(element, current_position, 1);
4891 if !y_flipped {
4892 current_position.y += size.height + MENU_GAP;
4893 } else {
4894 current_position.y -= MENU_GAP;
4895 }
4896 (popover_type, Bounds::new(position, size))
4897 })
4898 .collect::<Vec<_>>();
4899
4900 if y_flipped {
4901 laid_out_popovers.reverse();
4902 }
4903
4904 Some((laid_out_popovers, y_flipped))
4905 })
4906 }
4907
4908 fn layout_context_menu_aside(
4909 &self,
4910 y_flipped: bool,
4911 menu_bounds: Bounds<Pixels>,
4912 target_bounds: Bounds<Pixels>,
4913 max_target_bounds: Bounds<Pixels>,
4914 max_height: Pixels,
4915 must_place_above_or_below: bool,
4916 text_hitbox: &Hitbox,
4917 viewport_bounds: Bounds<Pixels>,
4918 window: &mut Window,
4919 cx: &mut App,
4920 ) -> Option<Bounds<Pixels>> {
4921 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4922 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4923 && !must_place_above_or_below
4924 {
4925 let max_width = cmp::min(
4926 available_within_viewport.right - px(1.),
4927 MENU_ASIDE_MAX_WIDTH,
4928 );
4929 let mut aside = self.render_context_menu_aside(
4930 size(max_width, max_height - POPOVER_Y_PADDING),
4931 window,
4932 cx,
4933 )?;
4934 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4935 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4936 Some((aside, right_position, size))
4937 } else {
4938 let max_size = size(
4939 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4940 // won't be needed here.
4941 cmp::min(
4942 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4943 viewport_bounds.right(),
4944 ),
4945 cmp::min(
4946 max_height,
4947 cmp::max(
4948 available_within_viewport.top,
4949 available_within_viewport.bottom,
4950 ),
4951 ) - POPOVER_Y_PADDING,
4952 );
4953 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4954 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4955
4956 let top_position = point(
4957 menu_bounds.origin.x,
4958 target_bounds.top() - actual_size.height,
4959 );
4960 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4961
4962 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4963 // Prefer to fit on the same side of the line as the menu, then on the other side of
4964 // the line.
4965 if !y_flipped && wanted.height < available.bottom {
4966 Some(bottom_position)
4967 } else if !y_flipped && wanted.height < available.top {
4968 Some(top_position)
4969 } else if y_flipped && wanted.height < available.top {
4970 Some(top_position)
4971 } else if y_flipped && wanted.height < available.bottom {
4972 Some(bottom_position)
4973 } else {
4974 None
4975 }
4976 };
4977
4978 // Prefer choosing a direction using max sizes rather than actual size for stability.
4979 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4980 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4981 let aside_position = fit_within(available_within_text, wanted)
4982 // Fallback: fit max size in window.
4983 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4984 // Fallback: fit actual size in window.
4985 .or_else(|| fit_within(available_within_viewport, actual_size));
4986
4987 aside_position.map(|position| (aside, position, actual_size))
4988 };
4989
4990 // Skip drawing if it doesn't fit anywhere.
4991 if let Some((aside, position, size)) = positioned_aside {
4992 let aside_bounds = Bounds::new(position, size);
4993 window.defer_draw(aside, position, 2);
4994 return Some(aside_bounds);
4995 }
4996
4997 None
4998 }
4999
5000 fn render_context_menu(
5001 &self,
5002 line_height: Pixels,
5003 height: Pixels,
5004 window: &mut Window,
5005 cx: &mut App,
5006 ) -> Option<AnyElement> {
5007 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5008 self.editor.update(cx, |editor, cx| {
5009 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5010 })
5011 }
5012
5013 fn render_context_menu_aside(
5014 &self,
5015 max_size: Size<Pixels>,
5016 window: &mut Window,
5017 cx: &mut App,
5018 ) -> Option<AnyElement> {
5019 if max_size.width < px(100.) || max_size.height < px(12.) {
5020 None
5021 } else {
5022 self.editor.update(cx, |editor, cx| {
5023 editor.render_context_menu_aside(max_size, window, cx)
5024 })
5025 }
5026 }
5027
5028 fn layout_mouse_context_menu(
5029 &self,
5030 editor_snapshot: &EditorSnapshot,
5031 visible_range: Range<DisplayRow>,
5032 content_origin: gpui::Point<Pixels>,
5033 window: &mut Window,
5034 cx: &mut App,
5035 ) -> Option<AnyElement> {
5036 let position = self.editor.update(cx, |editor, _cx| {
5037 let visible_start_point = editor.display_to_pixel_point(
5038 DisplayPoint::new(visible_range.start, 0),
5039 editor_snapshot,
5040 window,
5041 )?;
5042 let visible_end_point = editor.display_to_pixel_point(
5043 DisplayPoint::new(visible_range.end, 0),
5044 editor_snapshot,
5045 window,
5046 )?;
5047
5048 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5049 let (source_display_point, position) = match mouse_context_menu.position {
5050 MenuPosition::PinnedToScreen(point) => (None, point),
5051 MenuPosition::PinnedToEditor { source, offset } => {
5052 let source_display_point = source.to_display_point(editor_snapshot);
5053 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5054 let position = content_origin + source_point + offset;
5055 (Some(source_display_point), position)
5056 }
5057 };
5058
5059 let source_included = source_display_point.is_none_or(|source_display_point| {
5060 visible_range
5061 .to_inclusive()
5062 .contains(&source_display_point.row())
5063 });
5064 let position_included =
5065 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5066 if !source_included && !position_included {
5067 None
5068 } else {
5069 Some(position)
5070 }
5071 })?;
5072
5073 let text_style = TextStyleRefinement {
5074 line_height: Some(DefiniteLength::Fraction(
5075 BufferLineHeight::Comfortable.value(),
5076 )),
5077 ..Default::default()
5078 };
5079 window.with_text_style(Some(text_style), |window| {
5080 let mut element = self.editor.read_with(cx, |editor, _| {
5081 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5082 let context_menu = mouse_context_menu.context_menu.clone();
5083
5084 Some(
5085 deferred(
5086 anchored()
5087 .position(position)
5088 .child(context_menu)
5089 .anchor(Corner::TopLeft)
5090 .snap_to_window_with_margin(px(8.)),
5091 )
5092 .with_priority(1)
5093 .into_any(),
5094 )
5095 })?;
5096
5097 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5098 Some(element)
5099 })
5100 }
5101
5102 fn layout_hover_popovers(
5103 &self,
5104 snapshot: &EditorSnapshot,
5105 hitbox: &Hitbox,
5106 visible_display_row_range: Range<DisplayRow>,
5107 content_origin: gpui::Point<Pixels>,
5108 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5109 line_layouts: &[LineWithInvisibles],
5110 line_height: Pixels,
5111 em_width: Pixels,
5112 context_menu_layout: Option<ContextMenuLayout>,
5113 window: &mut Window,
5114 cx: &mut App,
5115 ) {
5116 struct MeasuredHoverPopover {
5117 element: AnyElement,
5118 size: Size<Pixels>,
5119 horizontal_offset: Pixels,
5120 }
5121
5122 let max_size = size(
5123 (120. * em_width) // Default size
5124 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5125 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5126 (16. * line_height) // Default size
5127 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5128 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5129 );
5130
5131 let hover_popovers = self.editor.update(cx, |editor, cx| {
5132 editor.hover_state.render(
5133 snapshot,
5134 visible_display_row_range.clone(),
5135 max_size,
5136 window,
5137 cx,
5138 )
5139 });
5140 let Some((position, hover_popovers)) = hover_popovers else {
5141 return;
5142 };
5143
5144 // This is safe because we check on layout whether the required row is available
5145 let hovered_row_layout =
5146 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5147
5148 // Compute Hovered Point
5149 let x = hovered_row_layout.x_for_index(position.column() as usize)
5150 - Pixels::from(scroll_pixel_position.x);
5151 let y = Pixels::from(
5152 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5153 - scroll_pixel_position.y,
5154 );
5155 let hovered_point = content_origin + point(x, y);
5156
5157 let mut overall_height = Pixels::ZERO;
5158 let mut measured_hover_popovers = Vec::new();
5159 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5160 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5161 let horizontal_offset =
5162 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5163 .min(Pixels::ZERO);
5164 match position {
5165 itertools::Position::Middle | itertools::Position::Last => {
5166 overall_height += HOVER_POPOVER_GAP
5167 }
5168 _ => {}
5169 }
5170 overall_height += size.height;
5171 measured_hover_popovers.push(MeasuredHoverPopover {
5172 element: hover_popover,
5173 size,
5174 horizontal_offset,
5175 });
5176 }
5177
5178 fn draw_occluder(
5179 width: Pixels,
5180 origin: gpui::Point<Pixels>,
5181 window: &mut Window,
5182 cx: &mut App,
5183 ) {
5184 let mut occlusion = div()
5185 .size_full()
5186 .occlude()
5187 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5188 .into_any_element();
5189 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5190 window.defer_draw(occlusion, origin, 2);
5191 }
5192
5193 fn place_popovers_above(
5194 hovered_point: gpui::Point<Pixels>,
5195 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5196 window: &mut Window,
5197 cx: &mut App,
5198 ) {
5199 let mut current_y = hovered_point.y;
5200 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5201 let size = popover.size;
5202 let popover_origin = point(
5203 hovered_point.x + popover.horizontal_offset,
5204 current_y - size.height,
5205 );
5206
5207 window.defer_draw(popover.element, popover_origin, 2);
5208 if position != itertools::Position::Last {
5209 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5210 draw_occluder(size.width, origin, window, cx);
5211 }
5212
5213 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5214 }
5215 }
5216
5217 fn place_popovers_below(
5218 hovered_point: gpui::Point<Pixels>,
5219 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5220 line_height: Pixels,
5221 window: &mut Window,
5222 cx: &mut App,
5223 ) {
5224 let mut current_y = hovered_point.y + line_height;
5225 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5226 let size = popover.size;
5227 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5228
5229 window.defer_draw(popover.element, popover_origin, 2);
5230 if position != itertools::Position::Last {
5231 let origin = point(popover_origin.x, popover_origin.y + size.height);
5232 draw_occluder(size.width, origin, window, cx);
5233 }
5234
5235 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5236 }
5237 }
5238
5239 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5240 context_menu_layout
5241 .as_ref()
5242 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5243 };
5244
5245 let can_place_above = {
5246 let mut bounds_above = Vec::new();
5247 let mut current_y = hovered_point.y;
5248 for popover in &measured_hover_popovers {
5249 let size = popover.size;
5250 let popover_origin = point(
5251 hovered_point.x + popover.horizontal_offset,
5252 current_y - size.height,
5253 );
5254 bounds_above.push(Bounds::new(popover_origin, size));
5255 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5256 }
5257 bounds_above
5258 .iter()
5259 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5260 };
5261
5262 let can_place_below = || {
5263 let mut bounds_below = Vec::new();
5264 let mut current_y = hovered_point.y + line_height;
5265 for popover in &measured_hover_popovers {
5266 let size = popover.size;
5267 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5268 bounds_below.push(Bounds::new(popover_origin, size));
5269 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5270 }
5271 bounds_below
5272 .iter()
5273 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5274 };
5275
5276 if can_place_above {
5277 // try placing above hovered point
5278 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5279 } else if can_place_below() {
5280 // try placing below hovered point
5281 place_popovers_below(
5282 hovered_point,
5283 measured_hover_popovers,
5284 line_height,
5285 window,
5286 cx,
5287 );
5288 } else {
5289 // try to place popovers around the context menu
5290 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5291 let total_width = measured_hover_popovers
5292 .iter()
5293 .map(|p| p.size.width)
5294 .max()
5295 .unwrap_or(Pixels::ZERO);
5296 let y_for_horizontal_positioning = if menu.y_flipped {
5297 menu.bounds.bottom() - overall_height
5298 } else {
5299 menu.bounds.top()
5300 };
5301 let possible_origins = vec![
5302 // left of context menu
5303 point(
5304 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5305 y_for_horizontal_positioning,
5306 ),
5307 // right of context menu
5308 point(
5309 menu.bounds.right() + HOVER_POPOVER_GAP,
5310 y_for_horizontal_positioning,
5311 ),
5312 // top of context menu
5313 point(
5314 menu.bounds.left(),
5315 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5316 ),
5317 // bottom of context menu
5318 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5319 ];
5320 possible_origins.into_iter().find(|&origin| {
5321 Bounds::new(origin, size(total_width, overall_height))
5322 .is_contained_within(hitbox)
5323 })
5324 });
5325 if let Some(origin) = origin_surrounding_menu {
5326 let mut current_y = origin.y;
5327 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5328 let size = popover.size;
5329 let popover_origin = point(origin.x, current_y);
5330
5331 window.defer_draw(popover.element, popover_origin, 2);
5332 if position != itertools::Position::Last {
5333 let origin = point(popover_origin.x, popover_origin.y + size.height);
5334 draw_occluder(size.width, origin, window, cx);
5335 }
5336
5337 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5338 }
5339 } else {
5340 // fallback to existing above/below cursor logic
5341 // this might overlap menu or overflow in rare case
5342 if can_place_above {
5343 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5344 } else {
5345 place_popovers_below(
5346 hovered_point,
5347 measured_hover_popovers,
5348 line_height,
5349 window,
5350 cx,
5351 );
5352 }
5353 }
5354 }
5355 }
5356
5357 fn layout_diff_hunk_controls(
5358 &self,
5359 row_range: Range<DisplayRow>,
5360 row_infos: &[RowInfo],
5361 text_hitbox: &Hitbox,
5362 newest_cursor_position: Option<DisplayPoint>,
5363 line_height: Pixels,
5364 right_margin: Pixels,
5365 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5366 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5367 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5368 editor: Entity<Editor>,
5369 window: &mut Window,
5370 cx: &mut App,
5371 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5372 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5373 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5374
5375 let mut controls = vec![];
5376 let mut control_bounds = vec![];
5377
5378 let active_positions = [
5379 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5380 newest_cursor_position,
5381 ];
5382
5383 for (hunk, _) in display_hunks {
5384 if let DisplayDiffHunk::Unfolded {
5385 display_row_range,
5386 multi_buffer_range,
5387 status,
5388 is_created_file,
5389 ..
5390 } = &hunk
5391 {
5392 if display_row_range.start < row_range.start
5393 || display_row_range.start >= row_range.end
5394 {
5395 continue;
5396 }
5397 if highlighted_rows
5398 .get(&display_row_range.start)
5399 .and_then(|highlight| highlight.type_id)
5400 .is_some_and(|type_id| {
5401 [
5402 TypeId::of::<ConflictsOuter>(),
5403 TypeId::of::<ConflictsOursMarker>(),
5404 TypeId::of::<ConflictsOurs>(),
5405 TypeId::of::<ConflictsTheirs>(),
5406 TypeId::of::<ConflictsTheirsMarker>(),
5407 ]
5408 .contains(&type_id)
5409 })
5410 {
5411 continue;
5412 }
5413 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5414 if row_infos[row_ix].diff_status.is_none() {
5415 continue;
5416 }
5417 if row_infos[row_ix]
5418 .diff_status
5419 .is_some_and(|status| status.is_added())
5420 && !status.is_added()
5421 {
5422 continue;
5423 }
5424
5425 if active_positions
5426 .iter()
5427 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5428 {
5429 let y = (display_row_range.start.as_f64()
5430 * ScrollPixelOffset::from(line_height)
5431 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5432 - scroll_pixel_position.y)
5433 .into();
5434
5435 let mut element = render_diff_hunk_controls(
5436 display_row_range.start.0,
5437 status,
5438 multi_buffer_range.clone(),
5439 *is_created_file,
5440 line_height,
5441 &editor,
5442 window,
5443 cx,
5444 );
5445 let size =
5446 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5447
5448 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5449
5450 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5451 control_bounds.push((display_row_range.start, bounds));
5452
5453 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5454 element.prepaint(window, cx)
5455 });
5456 controls.push(element);
5457 }
5458 }
5459 }
5460
5461 (controls, control_bounds)
5462 }
5463
5464 fn layout_signature_help(
5465 &self,
5466 hitbox: &Hitbox,
5467 content_origin: gpui::Point<Pixels>,
5468 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5469 newest_selection_head: Option<DisplayPoint>,
5470 start_row: DisplayRow,
5471 line_layouts: &[LineWithInvisibles],
5472 line_height: Pixels,
5473 em_width: Pixels,
5474 context_menu_layout: Option<ContextMenuLayout>,
5475 window: &mut Window,
5476 cx: &mut App,
5477 ) {
5478 if !self.editor.focus_handle(cx).is_focused(window) {
5479 return;
5480 }
5481 let Some(newest_selection_head) = newest_selection_head else {
5482 return;
5483 };
5484
5485 let max_size = size(
5486 (120. * em_width) // Default size
5487 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5488 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5489 (16. * line_height) // Default size
5490 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5491 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5492 );
5493
5494 let maybe_element = self.editor.update(cx, |editor, cx| {
5495 if let Some(popover) = editor.signature_help_state.popover_mut() {
5496 let element = popover.render(max_size, window, cx);
5497 Some(element)
5498 } else {
5499 None
5500 }
5501 });
5502 let Some(mut element) = maybe_element else {
5503 return;
5504 };
5505
5506 let selection_row = newest_selection_head.row();
5507 let Some(cursor_row_layout) = (selection_row >= start_row)
5508 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5509 .flatten()
5510 else {
5511 return;
5512 };
5513
5514 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5515 - Pixels::from(scroll_pixel_position.x);
5516 let target_y = Pixels::from(
5517 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5518 );
5519 let target_point = content_origin + point(target_x, target_y);
5520
5521 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5522
5523 let (popover_bounds_above, popover_bounds_below) = {
5524 let horizontal_offset = (hitbox.top_right().x
5525 - POPOVER_RIGHT_OFFSET
5526 - (target_point.x + actual_size.width))
5527 .min(Pixels::ZERO);
5528 let initial_x = target_point.x + horizontal_offset;
5529 (
5530 Bounds::new(
5531 point(initial_x, target_point.y - actual_size.height),
5532 actual_size,
5533 ),
5534 Bounds::new(
5535 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5536 actual_size,
5537 ),
5538 )
5539 };
5540
5541 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5542 context_menu_layout
5543 .as_ref()
5544 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5545 };
5546
5547 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5548 && !intersects_menu(popover_bounds_above)
5549 {
5550 // try placing above cursor
5551 popover_bounds_above.origin
5552 } else if popover_bounds_below.is_contained_within(hitbox)
5553 && !intersects_menu(popover_bounds_below)
5554 {
5555 // try placing below cursor
5556 popover_bounds_below.origin
5557 } else {
5558 // try surrounding context menu if exists
5559 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5560 let y_for_horizontal_positioning = if menu.y_flipped {
5561 menu.bounds.bottom() - actual_size.height
5562 } else {
5563 menu.bounds.top()
5564 };
5565 let possible_origins = vec![
5566 // left of context menu
5567 point(
5568 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5569 y_for_horizontal_positioning,
5570 ),
5571 // right of context menu
5572 point(
5573 menu.bounds.right() + HOVER_POPOVER_GAP,
5574 y_for_horizontal_positioning,
5575 ),
5576 // top of context menu
5577 point(
5578 menu.bounds.left(),
5579 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5580 ),
5581 // bottom of context menu
5582 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5583 ];
5584 possible_origins
5585 .into_iter()
5586 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5587 });
5588 origin_surrounding_menu.unwrap_or_else(|| {
5589 // fallback to existing above/below cursor logic
5590 // this might overlap menu or overflow in rare case
5591 if popover_bounds_above.is_contained_within(hitbox) {
5592 popover_bounds_above.origin
5593 } else {
5594 popover_bounds_below.origin
5595 }
5596 })
5597 };
5598
5599 window.defer_draw(element, final_origin, 2);
5600 }
5601
5602 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5603 window.paint_layer(layout.hitbox.bounds, |window| {
5604 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5605 let gutter_bg = cx.theme().colors().editor_gutter_background;
5606 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5607 window.paint_quad(fill(
5608 layout.position_map.text_hitbox.bounds,
5609 self.style.background,
5610 ));
5611
5612 if matches!(
5613 layout.mode,
5614 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5615 ) {
5616 let show_active_line_background = match layout.mode {
5617 EditorMode::Full {
5618 show_active_line_background,
5619 ..
5620 } => show_active_line_background,
5621 EditorMode::Minimap { .. } => true,
5622 _ => false,
5623 };
5624 let mut active_rows = layout.active_rows.iter().peekable();
5625 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5626 let mut end_row = start_row.0;
5627 while active_rows
5628 .peek()
5629 .is_some_and(|(active_row, has_selection)| {
5630 active_row.0 == end_row + 1
5631 && has_selection.selection == contains_non_empty_selection.selection
5632 })
5633 {
5634 active_rows.next().unwrap();
5635 end_row += 1;
5636 }
5637
5638 if show_active_line_background && !contains_non_empty_selection.selection {
5639 let highlight_h_range =
5640 match layout.position_map.snapshot.current_line_highlight {
5641 CurrentLineHighlight::Gutter => Some(Range {
5642 start: layout.hitbox.left(),
5643 end: layout.gutter_hitbox.right(),
5644 }),
5645 CurrentLineHighlight::Line => Some(Range {
5646 start: layout.position_map.text_hitbox.bounds.left(),
5647 end: layout.position_map.text_hitbox.bounds.right(),
5648 }),
5649 CurrentLineHighlight::All => Some(Range {
5650 start: layout.hitbox.left(),
5651 end: layout.hitbox.right(),
5652 }),
5653 CurrentLineHighlight::None => None,
5654 };
5655 if let Some(range) = highlight_h_range {
5656 let active_line_bg = cx.theme().colors().editor_active_line_background;
5657 let bounds = Bounds {
5658 origin: point(
5659 range.start,
5660 layout.hitbox.origin.y
5661 + Pixels::from(
5662 (start_row.as_f64() - scroll_top)
5663 * ScrollPixelOffset::from(
5664 layout.position_map.line_height,
5665 ),
5666 ),
5667 ),
5668 size: size(
5669 range.end - range.start,
5670 layout.position_map.line_height
5671 * (end_row - start_row.0 + 1) as f32,
5672 ),
5673 };
5674 window.paint_quad(fill(bounds, active_line_bg));
5675 }
5676 }
5677 }
5678
5679 let mut paint_highlight = |highlight_row_start: DisplayRow,
5680 highlight_row_end: DisplayRow,
5681 highlight: crate::LineHighlight,
5682 edges| {
5683 let mut origin_x = layout.hitbox.left();
5684 let mut width = layout.hitbox.size.width;
5685 if !highlight.include_gutter {
5686 origin_x += layout.gutter_hitbox.size.width;
5687 width -= layout.gutter_hitbox.size.width;
5688 }
5689
5690 let origin = point(
5691 origin_x,
5692 layout.hitbox.origin.y
5693 + Pixels::from(
5694 (highlight_row_start.as_f64() - scroll_top)
5695 * ScrollPixelOffset::from(layout.position_map.line_height),
5696 ),
5697 );
5698 let size = size(
5699 width,
5700 layout.position_map.line_height
5701 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5702 );
5703 let mut quad = fill(Bounds { origin, size }, highlight.background);
5704 if let Some(border_color) = highlight.border {
5705 quad.border_color = border_color;
5706 quad.border_widths = edges
5707 }
5708 window.paint_quad(quad);
5709 };
5710
5711 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5712 None;
5713 for (&new_row, &new_background) in &layout.highlighted_rows {
5714 match &mut current_paint {
5715 &mut Some((current_background, ref mut current_range, mut edges)) => {
5716 let new_range_started = current_background != new_background
5717 || current_range.end.next_row() != new_row;
5718 if new_range_started {
5719 if current_range.end.next_row() == new_row {
5720 edges.bottom = px(0.);
5721 };
5722 paint_highlight(
5723 current_range.start,
5724 current_range.end,
5725 current_background,
5726 edges,
5727 );
5728 let edges = Edges {
5729 top: if current_range.end.next_row() != new_row {
5730 px(1.)
5731 } else {
5732 px(0.)
5733 },
5734 bottom: px(1.),
5735 ..Default::default()
5736 };
5737 current_paint = Some((new_background, new_row..new_row, edges));
5738 continue;
5739 } else {
5740 current_range.end = current_range.end.next_row();
5741 }
5742 }
5743 None => {
5744 let edges = Edges {
5745 top: px(1.),
5746 bottom: px(1.),
5747 ..Default::default()
5748 };
5749 current_paint = Some((new_background, new_row..new_row, edges))
5750 }
5751 };
5752 }
5753 if let Some((color, range, edges)) = current_paint {
5754 paint_highlight(range.start, range.end, color, edges);
5755 }
5756
5757 for (guide_x, active) in layout.wrap_guides.iter() {
5758 let color = if *active {
5759 cx.theme().colors().editor_active_wrap_guide
5760 } else {
5761 cx.theme().colors().editor_wrap_guide
5762 };
5763 window.paint_quad(fill(
5764 Bounds {
5765 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5766 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5767 },
5768 color,
5769 ));
5770 }
5771 }
5772 })
5773 }
5774
5775 fn paint_indent_guides(
5776 &mut self,
5777 layout: &mut EditorLayout,
5778 window: &mut Window,
5779 cx: &mut App,
5780 ) {
5781 let Some(indent_guides) = &layout.indent_guides else {
5782 return;
5783 };
5784
5785 let faded_color = |color: Hsla, alpha: f32| {
5786 let mut faded = color;
5787 faded.a = alpha;
5788 faded
5789 };
5790
5791 for indent_guide in indent_guides {
5792 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5793 let settings = &indent_guide.settings;
5794
5795 // TODO fixed for now, expose them through themes later
5796 const INDENT_AWARE_ALPHA: f32 = 0.2;
5797 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5798 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5799 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5800
5801 let line_color = match (settings.coloring, indent_guide.active) {
5802 (IndentGuideColoring::Disabled, _) => None,
5803 (IndentGuideColoring::Fixed, false) => {
5804 Some(cx.theme().colors().editor_indent_guide)
5805 }
5806 (IndentGuideColoring::Fixed, true) => {
5807 Some(cx.theme().colors().editor_indent_guide_active)
5808 }
5809 (IndentGuideColoring::IndentAware, false) => {
5810 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5811 }
5812 (IndentGuideColoring::IndentAware, true) => {
5813 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5814 }
5815 };
5816
5817 let background_color = match (settings.background_coloring, indent_guide.active) {
5818 (IndentGuideBackgroundColoring::Disabled, _) => None,
5819 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5820 indent_accent_colors,
5821 INDENT_AWARE_BACKGROUND_ALPHA,
5822 )),
5823 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5824 indent_accent_colors,
5825 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5826 )),
5827 };
5828
5829 let requested_line_width = if indent_guide.active {
5830 settings.active_line_width
5831 } else {
5832 settings.line_width
5833 }
5834 .clamp(1, 10);
5835 let mut line_indicator_width = 0.;
5836 if let Some(color) = line_color {
5837 window.paint_quad(fill(
5838 Bounds {
5839 origin: indent_guide.origin,
5840 size: size(px(requested_line_width as f32), indent_guide.length),
5841 },
5842 color,
5843 ));
5844 line_indicator_width = requested_line_width as f32;
5845 }
5846
5847 if let Some(color) = background_color {
5848 let width = indent_guide.single_indent_width - px(line_indicator_width);
5849 window.paint_quad(fill(
5850 Bounds {
5851 origin: point(
5852 indent_guide.origin.x + px(line_indicator_width),
5853 indent_guide.origin.y,
5854 ),
5855 size: size(width, indent_guide.length),
5856 },
5857 color,
5858 ));
5859 }
5860 }
5861 }
5862
5863 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5864 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5865
5866 let line_height = layout.position_map.line_height;
5867 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5868
5869 for line_layout in layout.line_numbers.values() {
5870 for LineNumberSegment {
5871 shaped_line,
5872 hitbox,
5873 } in &line_layout.segments
5874 {
5875 let Some(hitbox) = hitbox else {
5876 continue;
5877 };
5878
5879 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5880 let color = cx.theme().colors().editor_hover_line_number;
5881
5882 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5883 line.paint(hitbox.origin, line_height, window, cx).log_err()
5884 } else {
5885 shaped_line
5886 .paint(hitbox.origin, line_height, window, cx)
5887 .log_err()
5888 }) else {
5889 continue;
5890 };
5891
5892 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5893 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5894 if is_singleton {
5895 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5896 } else {
5897 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5898 }
5899 }
5900 }
5901 }
5902
5903 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5904 if layout.display_hunks.is_empty() {
5905 return;
5906 }
5907
5908 let line_height = layout.position_map.line_height;
5909 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5910 for (hunk, hitbox) in &layout.display_hunks {
5911 let hunk_to_paint = match hunk {
5912 DisplayDiffHunk::Folded { .. } => {
5913 let hunk_bounds = Self::diff_hunk_bounds(
5914 &layout.position_map.snapshot,
5915 line_height,
5916 layout.gutter_hitbox.bounds,
5917 hunk,
5918 );
5919 Some((
5920 hunk_bounds,
5921 cx.theme().colors().version_control_modified,
5922 Corners::all(px(0.)),
5923 DiffHunkStatus::modified_none(),
5924 ))
5925 }
5926 DisplayDiffHunk::Unfolded {
5927 status,
5928 display_row_range,
5929 ..
5930 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5931 DiffHunkStatusKind::Added => (
5932 hunk_hitbox.bounds,
5933 cx.theme().colors().version_control_added,
5934 Corners::all(px(0.)),
5935 *status,
5936 ),
5937 DiffHunkStatusKind::Modified => (
5938 hunk_hitbox.bounds,
5939 cx.theme().colors().version_control_modified,
5940 Corners::all(px(0.)),
5941 *status,
5942 ),
5943 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5944 hunk_hitbox.bounds,
5945 cx.theme().colors().version_control_deleted,
5946 Corners::all(px(0.)),
5947 *status,
5948 ),
5949 DiffHunkStatusKind::Deleted => (
5950 Bounds::new(
5951 point(
5952 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5953 hunk_hitbox.origin.y,
5954 ),
5955 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5956 ),
5957 cx.theme().colors().version_control_deleted,
5958 Corners::all(1. * line_height),
5959 *status,
5960 ),
5961 }),
5962 };
5963
5964 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5965 // Flatten the background color with the editor color to prevent
5966 // elements below transparent hunks from showing through
5967 let flattened_background_color = cx
5968 .theme()
5969 .colors()
5970 .editor_background
5971 .blend(background_color);
5972
5973 if !Self::diff_hunk_hollow(status, cx) {
5974 window.paint_quad(quad(
5975 hunk_bounds,
5976 corner_radii,
5977 flattened_background_color,
5978 Edges::default(),
5979 transparent_black(),
5980 BorderStyle::default(),
5981 ));
5982 } else {
5983 let flattened_unstaged_background_color = cx
5984 .theme()
5985 .colors()
5986 .editor_background
5987 .blend(background_color.opacity(0.3));
5988
5989 window.paint_quad(quad(
5990 hunk_bounds,
5991 corner_radii,
5992 flattened_unstaged_background_color,
5993 Edges::all(px(1.0)),
5994 flattened_background_color,
5995 BorderStyle::Solid,
5996 ));
5997 }
5998 }
5999 }
6000 });
6001 }
6002
6003 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6004 (0.275 * line_height).floor()
6005 }
6006
6007 fn diff_hunk_bounds(
6008 snapshot: &EditorSnapshot,
6009 line_height: Pixels,
6010 gutter_bounds: Bounds<Pixels>,
6011 hunk: &DisplayDiffHunk,
6012 ) -> Bounds<Pixels> {
6013 let scroll_position = snapshot.scroll_position();
6014 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6015 let gutter_strip_width = Self::gutter_strip_width(line_height);
6016
6017 match hunk {
6018 DisplayDiffHunk::Folded { display_row, .. } => {
6019 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6020 - scroll_top)
6021 .into();
6022 let end_y = start_y + line_height;
6023 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6024 let highlight_size = size(gutter_strip_width, end_y - start_y);
6025 Bounds::new(highlight_origin, highlight_size)
6026 }
6027 DisplayDiffHunk::Unfolded {
6028 display_row_range,
6029 status,
6030 ..
6031 } => {
6032 if status.is_deleted() && display_row_range.is_empty() {
6033 let row = display_row_range.start;
6034
6035 let offset = ScrollPixelOffset::from(line_height / 2.);
6036 let start_y =
6037 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6038 .into();
6039 let end_y = start_y + line_height;
6040
6041 let width = (0.35 * line_height).floor();
6042 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6043 let highlight_size = size(width, end_y - start_y);
6044 Bounds::new(highlight_origin, highlight_size)
6045 } else {
6046 let start_row = display_row_range.start;
6047 let end_row = display_row_range.end;
6048 // If we're in a multibuffer, row range span might include an
6049 // excerpt header, so if we were to draw the marker straight away,
6050 // the hunk might include the rows of that header.
6051 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6052 // Instead, we simply check whether the range we're dealing with includes
6053 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6054 let end_row_in_current_excerpt = snapshot
6055 .blocks_in_range(start_row..end_row)
6056 .find_map(|(start_row, block)| {
6057 if matches!(
6058 block,
6059 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6060 ) {
6061 Some(start_row)
6062 } else {
6063 None
6064 }
6065 })
6066 .unwrap_or(end_row);
6067
6068 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6069 - scroll_top)
6070 .into();
6071 let end_y = Pixels::from(
6072 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6073 - scroll_top,
6074 );
6075
6076 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6077 let highlight_size = size(gutter_strip_width, end_y - start_y);
6078 Bounds::new(highlight_origin, highlight_size)
6079 }
6080 }
6081 }
6082 }
6083
6084 fn paint_gutter_indicators(
6085 &self,
6086 layout: &mut EditorLayout,
6087 window: &mut Window,
6088 cx: &mut App,
6089 ) {
6090 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6091 window.with_element_namespace("crease_toggles", |window| {
6092 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6093 crease_toggle.paint(window, cx);
6094 }
6095 });
6096
6097 window.with_element_namespace("expand_toggles", |window| {
6098 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6099 expand_toggle.paint(window, cx);
6100 }
6101 });
6102
6103 for breakpoint in layout.breakpoints.iter_mut() {
6104 breakpoint.paint(window, cx);
6105 }
6106
6107 for test_indicator in layout.test_indicators.iter_mut() {
6108 test_indicator.paint(window, cx);
6109 }
6110 });
6111 }
6112
6113 fn paint_gutter_highlights(
6114 &self,
6115 layout: &mut EditorLayout,
6116 window: &mut Window,
6117 cx: &mut App,
6118 ) {
6119 for (_, hunk_hitbox) in &layout.display_hunks {
6120 if let Some(hunk_hitbox) = hunk_hitbox
6121 && !self
6122 .editor
6123 .read(cx)
6124 .buffer()
6125 .read(cx)
6126 .all_diff_hunks_expanded()
6127 {
6128 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6129 }
6130 }
6131
6132 let show_git_gutter = layout
6133 .position_map
6134 .snapshot
6135 .show_git_diff_gutter
6136 .unwrap_or_else(|| {
6137 matches!(
6138 ProjectSettings::get_global(cx).git.git_gutter,
6139 GitGutterSetting::TrackedFiles
6140 )
6141 });
6142 if show_git_gutter {
6143 Self::paint_gutter_diff_hunks(layout, window, cx)
6144 }
6145
6146 let highlight_width = 0.275 * layout.position_map.line_height;
6147 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6148 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6149 for (range, color) in &layout.highlighted_gutter_ranges {
6150 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6151 layout.visible_display_row_range.start - DisplayRow(1)
6152 } else {
6153 range.start.row()
6154 };
6155 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6156 layout.visible_display_row_range.end + DisplayRow(1)
6157 } else {
6158 range.end.row()
6159 };
6160
6161 let start_y = layout.gutter_hitbox.top()
6162 + Pixels::from(
6163 start_row.0 as f64
6164 * ScrollPixelOffset::from(layout.position_map.line_height)
6165 - layout.position_map.scroll_pixel_position.y,
6166 );
6167 let end_y = layout.gutter_hitbox.top()
6168 + Pixels::from(
6169 (end_row.0 + 1) as f64
6170 * ScrollPixelOffset::from(layout.position_map.line_height)
6171 - layout.position_map.scroll_pixel_position.y,
6172 );
6173 let bounds = Bounds::from_corners(
6174 point(layout.gutter_hitbox.left(), start_y),
6175 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6176 );
6177 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6178 }
6179 });
6180 }
6181
6182 fn paint_blamed_display_rows(
6183 &self,
6184 layout: &mut EditorLayout,
6185 window: &mut Window,
6186 cx: &mut App,
6187 ) {
6188 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6189 return;
6190 };
6191
6192 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6193 for mut blame_element in blamed_display_rows.into_iter() {
6194 blame_element.paint(window, cx);
6195 }
6196 })
6197 }
6198
6199 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6200 window.with_content_mask(
6201 Some(ContentMask {
6202 bounds: layout.position_map.text_hitbox.bounds,
6203 }),
6204 |window| {
6205 let editor = self.editor.read(cx);
6206 if editor.mouse_cursor_hidden {
6207 window.set_window_cursor_style(CursorStyle::None);
6208 } else if let SelectionDragState::ReadyToDrag {
6209 mouse_down_time, ..
6210 } = &editor.selection_drag_state
6211 {
6212 let drag_and_drop_delay = Duration::from_millis(
6213 EditorSettings::get_global(cx)
6214 .drag_and_drop_selection
6215 .delay
6216 .0,
6217 );
6218 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6219 window.set_cursor_style(
6220 CursorStyle::DragCopy,
6221 &layout.position_map.text_hitbox,
6222 );
6223 }
6224 } else if matches!(
6225 editor.selection_drag_state,
6226 SelectionDragState::Dragging { .. }
6227 ) {
6228 window
6229 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6230 } else if editor
6231 .hovered_link_state
6232 .as_ref()
6233 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6234 {
6235 window.set_cursor_style(
6236 CursorStyle::PointingHand,
6237 &layout.position_map.text_hitbox,
6238 );
6239 } else {
6240 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6241 };
6242
6243 self.paint_lines_background(layout, window, cx);
6244 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6245 self.paint_document_colors(layout, window);
6246 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6247 self.paint_redactions(layout, window);
6248 self.paint_cursors(layout, window, cx);
6249 self.paint_inline_diagnostics(layout, window, cx);
6250 self.paint_inline_blame(layout, window, cx);
6251 self.paint_inline_code_actions(layout, window, cx);
6252 self.paint_diff_hunk_controls(layout, window, cx);
6253 window.with_element_namespace("crease_trailers", |window| {
6254 for trailer in layout.crease_trailers.iter_mut().flatten() {
6255 trailer.element.paint(window, cx);
6256 }
6257 });
6258 },
6259 )
6260 }
6261
6262 fn paint_highlights(
6263 &mut self,
6264 layout: &mut EditorLayout,
6265 window: &mut Window,
6266 cx: &mut App,
6267 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6268 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6269 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6270 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6271 for (range, color) in &layout.highlighted_ranges {
6272 self.paint_highlighted_range(
6273 range.clone(),
6274 true,
6275 *color,
6276 Pixels::ZERO,
6277 line_end_overshoot,
6278 layout,
6279 window,
6280 );
6281 }
6282
6283 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6284 0.15 * layout.position_map.line_height
6285 } else {
6286 Pixels::ZERO
6287 };
6288
6289 for (player_color, selections) in &layout.selections {
6290 for selection in selections.iter() {
6291 self.paint_highlighted_range(
6292 selection.range.clone(),
6293 true,
6294 player_color.selection,
6295 corner_radius,
6296 corner_radius * 2.,
6297 layout,
6298 window,
6299 );
6300
6301 if selection.is_local && !selection.range.is_empty() {
6302 invisible_display_ranges.push(selection.range.clone());
6303 }
6304 }
6305 }
6306 invisible_display_ranges
6307 })
6308 }
6309
6310 fn paint_lines(
6311 &mut self,
6312 invisible_display_ranges: &[Range<DisplayPoint>],
6313 layout: &mut EditorLayout,
6314 window: &mut Window,
6315 cx: &mut App,
6316 ) {
6317 let whitespace_setting = self
6318 .editor
6319 .read(cx)
6320 .buffer
6321 .read(cx)
6322 .language_settings(cx)
6323 .show_whitespaces;
6324
6325 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6326 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6327 line_with_invisibles.draw(
6328 layout,
6329 row,
6330 layout.content_origin,
6331 whitespace_setting,
6332 invisible_display_ranges,
6333 window,
6334 cx,
6335 )
6336 }
6337
6338 for line_element in &mut layout.line_elements {
6339 line_element.paint(window, cx);
6340 }
6341 }
6342
6343 fn paint_lines_background(
6344 &mut self,
6345 layout: &mut EditorLayout,
6346 window: &mut Window,
6347 cx: &mut App,
6348 ) {
6349 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6350 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6351 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6352 }
6353 }
6354
6355 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6356 if layout.redacted_ranges.is_empty() {
6357 return;
6358 }
6359
6360 let line_end_overshoot = layout.line_end_overshoot();
6361
6362 // A softer than perfect black
6363 let redaction_color = gpui::rgb(0x0e1111);
6364
6365 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6366 for range in layout.redacted_ranges.iter() {
6367 self.paint_highlighted_range(
6368 range.clone(),
6369 true,
6370 redaction_color.into(),
6371 Pixels::ZERO,
6372 line_end_overshoot,
6373 layout,
6374 window,
6375 );
6376 }
6377 });
6378 }
6379
6380 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6381 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6382 return;
6383 };
6384 if image_colors.is_empty()
6385 || colors_render_mode == &DocumentColorsRenderMode::None
6386 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6387 {
6388 return;
6389 }
6390
6391 let line_end_overshoot = layout.line_end_overshoot();
6392
6393 for (range, color) in image_colors {
6394 match colors_render_mode {
6395 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6396 DocumentColorsRenderMode::Background => {
6397 self.paint_highlighted_range(
6398 range.clone(),
6399 true,
6400 *color,
6401 Pixels::ZERO,
6402 line_end_overshoot,
6403 layout,
6404 window,
6405 );
6406 }
6407 DocumentColorsRenderMode::Border => {
6408 self.paint_highlighted_range(
6409 range.clone(),
6410 false,
6411 *color,
6412 Pixels::ZERO,
6413 line_end_overshoot,
6414 layout,
6415 window,
6416 );
6417 }
6418 }
6419 }
6420 }
6421
6422 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6423 for cursor in &mut layout.visible_cursors {
6424 cursor.paint(layout.content_origin, window, cx);
6425 }
6426 }
6427
6428 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6429 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6430 return;
6431 };
6432 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6433
6434 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6435 let hitbox = &scrollbar_layout.hitbox;
6436 if scrollbars_layout.visible {
6437 let scrollbar_edges = match axis {
6438 ScrollbarAxis::Horizontal => Edges {
6439 top: Pixels::ZERO,
6440 right: Pixels::ZERO,
6441 bottom: Pixels::ZERO,
6442 left: Pixels::ZERO,
6443 },
6444 ScrollbarAxis::Vertical => Edges {
6445 top: Pixels::ZERO,
6446 right: Pixels::ZERO,
6447 bottom: Pixels::ZERO,
6448 left: ScrollbarLayout::BORDER_WIDTH,
6449 },
6450 };
6451
6452 window.paint_layer(hitbox.bounds, |window| {
6453 window.paint_quad(quad(
6454 hitbox.bounds,
6455 Corners::default(),
6456 cx.theme().colors().scrollbar_track_background,
6457 scrollbar_edges,
6458 cx.theme().colors().scrollbar_track_border,
6459 BorderStyle::Solid,
6460 ));
6461
6462 if axis == ScrollbarAxis::Vertical {
6463 let fast_markers =
6464 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6465 // Refresh slow scrollbar markers in the background. Below, we
6466 // paint whatever markers have already been computed.
6467 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6468
6469 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6470 for marker in markers.iter().chain(&fast_markers) {
6471 let mut marker = marker.clone();
6472 marker.bounds.origin += hitbox.origin;
6473 window.paint_quad(marker);
6474 }
6475 }
6476
6477 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6478 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6479 ScrollbarThumbState::Dragging => {
6480 cx.theme().colors().scrollbar_thumb_active_background
6481 }
6482 ScrollbarThumbState::Hovered => {
6483 cx.theme().colors().scrollbar_thumb_hover_background
6484 }
6485 ScrollbarThumbState::Idle => {
6486 cx.theme().colors().scrollbar_thumb_background
6487 }
6488 };
6489 window.paint_quad(quad(
6490 thumb_bounds,
6491 Corners::default(),
6492 scrollbar_thumb_color,
6493 scrollbar_edges,
6494 cx.theme().colors().scrollbar_thumb_border,
6495 BorderStyle::Solid,
6496 ));
6497
6498 if any_scrollbar_dragged {
6499 window.set_window_cursor_style(CursorStyle::Arrow);
6500 } else {
6501 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6502 }
6503 }
6504 })
6505 }
6506 }
6507
6508 window.on_mouse_event({
6509 let editor = self.editor.clone();
6510 let scrollbars_layout = scrollbars_layout.clone();
6511
6512 let mut mouse_position = window.mouse_position();
6513 move |event: &MouseMoveEvent, phase, window, cx| {
6514 if phase == DispatchPhase::Capture {
6515 return;
6516 }
6517
6518 editor.update(cx, |editor, cx| {
6519 if let Some((scrollbar_layout, axis)) = event
6520 .pressed_button
6521 .filter(|button| *button == MouseButton::Left)
6522 .and(editor.scroll_manager.dragging_scrollbar_axis())
6523 .and_then(|axis| {
6524 scrollbars_layout
6525 .iter_scrollbars()
6526 .find(|(_, a)| *a == axis)
6527 })
6528 {
6529 let ScrollbarLayout {
6530 hitbox,
6531 text_unit_size,
6532 ..
6533 } = scrollbar_layout;
6534
6535 let old_position = mouse_position.along(axis);
6536 let new_position = event.position.along(axis);
6537 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6538 .contains(&old_position)
6539 {
6540 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6541 (p + ScrollOffset::from(
6542 (new_position - old_position) / *text_unit_size,
6543 ))
6544 .max(0.)
6545 });
6546 editor.set_scroll_position(position, window, cx);
6547 }
6548
6549 editor.scroll_manager.show_scrollbars(window, cx);
6550 cx.stop_propagation();
6551 } else if let Some((layout, axis)) = scrollbars_layout
6552 .get_hovered_axis(window)
6553 .filter(|_| !event.dragging())
6554 {
6555 if layout.thumb_hovered(&event.position) {
6556 editor
6557 .scroll_manager
6558 .set_hovered_scroll_thumb_axis(axis, cx);
6559 } else {
6560 editor.scroll_manager.reset_scrollbar_state(cx);
6561 }
6562
6563 editor.scroll_manager.show_scrollbars(window, cx);
6564 } else {
6565 editor.scroll_manager.reset_scrollbar_state(cx);
6566 }
6567
6568 mouse_position = event.position;
6569 })
6570 }
6571 });
6572
6573 if any_scrollbar_dragged {
6574 window.on_mouse_event({
6575 let editor = self.editor.clone();
6576 move |_: &MouseUpEvent, phase, window, cx| {
6577 if phase == DispatchPhase::Capture {
6578 return;
6579 }
6580
6581 editor.update(cx, |editor, cx| {
6582 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6583 editor
6584 .scroll_manager
6585 .set_hovered_scroll_thumb_axis(axis, cx);
6586 } else {
6587 editor.scroll_manager.reset_scrollbar_state(cx);
6588 }
6589 cx.stop_propagation();
6590 });
6591 }
6592 });
6593 } else {
6594 window.on_mouse_event({
6595 let editor = self.editor.clone();
6596
6597 move |event: &MouseDownEvent, phase, window, cx| {
6598 if phase == DispatchPhase::Capture {
6599 return;
6600 }
6601 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6602 else {
6603 return;
6604 };
6605
6606 let ScrollbarLayout {
6607 hitbox,
6608 visible_range,
6609 text_unit_size,
6610 thumb_bounds,
6611 ..
6612 } = scrollbar_layout;
6613
6614 let Some(thumb_bounds) = thumb_bounds else {
6615 return;
6616 };
6617
6618 editor.update(cx, |editor, cx| {
6619 editor
6620 .scroll_manager
6621 .set_dragged_scroll_thumb_axis(axis, cx);
6622
6623 let event_position = event.position.along(axis);
6624
6625 if event_position < thumb_bounds.origin.along(axis)
6626 || thumb_bounds.bottom_right().along(axis) < event_position
6627 {
6628 let center_position = ((event_position - hitbox.origin.along(axis))
6629 / *text_unit_size)
6630 .round() as u32;
6631 let start_position = center_position.saturating_sub(
6632 (visible_range.end - visible_range.start) as u32 / 2,
6633 );
6634
6635 let position = editor
6636 .scroll_position(cx)
6637 .apply_along(axis, |_| start_position as ScrollOffset);
6638
6639 editor.set_scroll_position(position, window, cx);
6640 } else {
6641 editor.scroll_manager.show_scrollbars(window, cx);
6642 }
6643
6644 cx.stop_propagation();
6645 });
6646 }
6647 });
6648 }
6649 }
6650
6651 fn collect_fast_scrollbar_markers(
6652 &self,
6653 layout: &EditorLayout,
6654 scrollbar_layout: &ScrollbarLayout,
6655 cx: &mut App,
6656 ) -> Vec<PaintQuad> {
6657 const LIMIT: usize = 100;
6658 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6659 return vec![];
6660 }
6661 let cursor_ranges = layout
6662 .cursors
6663 .iter()
6664 .map(|(point, color)| ColoredRange {
6665 start: point.row(),
6666 end: point.row(),
6667 color: *color,
6668 })
6669 .collect_vec();
6670 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6671 }
6672
6673 fn refresh_slow_scrollbar_markers(
6674 &self,
6675 layout: &EditorLayout,
6676 scrollbar_layout: &ScrollbarLayout,
6677 window: &mut Window,
6678 cx: &mut App,
6679 ) {
6680 self.editor.update(cx, |editor, cx| {
6681 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6682 || !editor
6683 .scrollbar_marker_state
6684 .should_refresh(scrollbar_layout.hitbox.size)
6685 {
6686 return;
6687 }
6688
6689 let scrollbar_layout = scrollbar_layout.clone();
6690 let background_highlights = editor.background_highlights.clone();
6691 let snapshot = layout.position_map.snapshot.clone();
6692 let theme = cx.theme().clone();
6693 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6694
6695 editor.scrollbar_marker_state.dirty = false;
6696 editor.scrollbar_marker_state.pending_refresh =
6697 Some(cx.spawn_in(window, async move |editor, cx| {
6698 let scrollbar_size = scrollbar_layout.hitbox.size;
6699 let scrollbar_markers = cx
6700 .background_spawn(async move {
6701 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6702 let mut marker_quads = Vec::new();
6703 if scrollbar_settings.git_diff {
6704 let marker_row_ranges =
6705 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6706 let start_display_row =
6707 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6708 .to_display_point(&snapshot.display_snapshot)
6709 .row();
6710 let mut end_display_row =
6711 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6712 .to_display_point(&snapshot.display_snapshot)
6713 .row();
6714 if end_display_row != start_display_row {
6715 end_display_row.0 -= 1;
6716 }
6717 let color = match &hunk.status().kind {
6718 DiffHunkStatusKind::Added => {
6719 theme.colors().version_control_added
6720 }
6721 DiffHunkStatusKind::Modified => {
6722 theme.colors().version_control_modified
6723 }
6724 DiffHunkStatusKind::Deleted => {
6725 theme.colors().version_control_deleted
6726 }
6727 };
6728 ColoredRange {
6729 start: start_display_row,
6730 end: end_display_row,
6731 color,
6732 }
6733 });
6734
6735 marker_quads.extend(
6736 scrollbar_layout
6737 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6738 );
6739 }
6740
6741 for (background_highlight_id, (_, background_ranges)) in
6742 background_highlights.iter()
6743 {
6744 let is_search_highlights = *background_highlight_id
6745 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6746 let is_text_highlights = *background_highlight_id
6747 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6748 let is_symbol_occurrences = *background_highlight_id
6749 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6750 || *background_highlight_id
6751 == HighlightKey::Type(
6752 TypeId::of::<DocumentHighlightWrite>(),
6753 );
6754 if (is_search_highlights && scrollbar_settings.search_results)
6755 || (is_text_highlights && scrollbar_settings.selected_text)
6756 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6757 {
6758 let mut color = theme.status().info;
6759 if is_symbol_occurrences {
6760 color.fade_out(0.5);
6761 }
6762 let marker_row_ranges = background_ranges.iter().map(|range| {
6763 let display_start = range
6764 .start
6765 .to_display_point(&snapshot.display_snapshot);
6766 let display_end =
6767 range.end.to_display_point(&snapshot.display_snapshot);
6768 ColoredRange {
6769 start: display_start.row(),
6770 end: display_end.row(),
6771 color,
6772 }
6773 });
6774 marker_quads.extend(
6775 scrollbar_layout
6776 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6777 );
6778 }
6779 }
6780
6781 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6782 let diagnostics = snapshot
6783 .buffer_snapshot()
6784 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6785 // Don't show diagnostics the user doesn't care about
6786 .filter(|diagnostic| {
6787 match (
6788 scrollbar_settings.diagnostics,
6789 diagnostic.diagnostic.severity,
6790 ) {
6791 (ScrollbarDiagnostics::All, _) => true,
6792 (
6793 ScrollbarDiagnostics::Error,
6794 lsp::DiagnosticSeverity::ERROR,
6795 ) => true,
6796 (
6797 ScrollbarDiagnostics::Warning,
6798 lsp::DiagnosticSeverity::ERROR
6799 | lsp::DiagnosticSeverity::WARNING,
6800 ) => true,
6801 (
6802 ScrollbarDiagnostics::Information,
6803 lsp::DiagnosticSeverity::ERROR
6804 | lsp::DiagnosticSeverity::WARNING
6805 | lsp::DiagnosticSeverity::INFORMATION,
6806 ) => true,
6807 (_, _) => false,
6808 }
6809 })
6810 // We want to sort by severity, in order to paint the most severe diagnostics last.
6811 .sorted_by_key(|diagnostic| {
6812 std::cmp::Reverse(diagnostic.diagnostic.severity)
6813 });
6814
6815 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6816 let start_display = diagnostic
6817 .range
6818 .start
6819 .to_display_point(&snapshot.display_snapshot);
6820 let end_display = diagnostic
6821 .range
6822 .end
6823 .to_display_point(&snapshot.display_snapshot);
6824 let color = match diagnostic.diagnostic.severity {
6825 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6826 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6827 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6828 _ => theme.status().hint,
6829 };
6830 ColoredRange {
6831 start: start_display.row(),
6832 end: end_display.row(),
6833 color,
6834 }
6835 });
6836 marker_quads.extend(
6837 scrollbar_layout
6838 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6839 );
6840 }
6841
6842 Arc::from(marker_quads)
6843 })
6844 .await;
6845
6846 editor.update(cx, |editor, cx| {
6847 editor.scrollbar_marker_state.markers = scrollbar_markers;
6848 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6849 editor.scrollbar_marker_state.pending_refresh = None;
6850 cx.notify();
6851 })?;
6852
6853 Ok(())
6854 }));
6855 });
6856 }
6857
6858 fn paint_highlighted_range(
6859 &self,
6860 range: Range<DisplayPoint>,
6861 fill: bool,
6862 color: Hsla,
6863 corner_radius: Pixels,
6864 line_end_overshoot: Pixels,
6865 layout: &EditorLayout,
6866 window: &mut Window,
6867 ) {
6868 let start_row = layout.visible_display_row_range.start;
6869 let end_row = layout.visible_display_row_range.end;
6870 if range.start != range.end {
6871 let row_range = if range.end.column() == 0 {
6872 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6873 } else {
6874 cmp::max(range.start.row(), start_row)
6875 ..cmp::min(range.end.row().next_row(), end_row)
6876 };
6877
6878 let highlighted_range = HighlightedRange {
6879 color,
6880 line_height: layout.position_map.line_height,
6881 corner_radius,
6882 start_y: layout.content_origin.y
6883 + Pixels::from(
6884 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6885 * ScrollOffset::from(layout.position_map.line_height),
6886 ),
6887 lines: row_range
6888 .iter_rows()
6889 .map(|row| {
6890 let line_layout =
6891 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6892 HighlightedRangeLine {
6893 start_x: if row == range.start.row() {
6894 layout.content_origin.x
6895 + Pixels::from(
6896 ScrollPixelOffset::from(
6897 line_layout.x_for_index(range.start.column() as usize),
6898 ) - layout.position_map.scroll_pixel_position.x,
6899 )
6900 } else {
6901 layout.content_origin.x
6902 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6903 },
6904 end_x: if row == range.end.row() {
6905 layout.content_origin.x
6906 + Pixels::from(
6907 ScrollPixelOffset::from(
6908 line_layout.x_for_index(range.end.column() as usize),
6909 ) - layout.position_map.scroll_pixel_position.x,
6910 )
6911 } else {
6912 Pixels::from(
6913 ScrollPixelOffset::from(
6914 layout.content_origin.x
6915 + line_layout.width
6916 + line_end_overshoot,
6917 ) - layout.position_map.scroll_pixel_position.x,
6918 )
6919 },
6920 }
6921 })
6922 .collect(),
6923 };
6924
6925 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6926 }
6927 }
6928
6929 fn paint_inline_diagnostics(
6930 &mut self,
6931 layout: &mut EditorLayout,
6932 window: &mut Window,
6933 cx: &mut App,
6934 ) {
6935 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6936 inline_diagnostic.1.paint(window, cx);
6937 }
6938 }
6939
6940 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6941 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6942 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6943 blame_layout.element.paint(window, cx);
6944 })
6945 }
6946 }
6947
6948 fn paint_inline_code_actions(
6949 &mut self,
6950 layout: &mut EditorLayout,
6951 window: &mut Window,
6952 cx: &mut App,
6953 ) {
6954 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6955 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6956 inline_code_actions.paint(window, cx);
6957 })
6958 }
6959 }
6960
6961 fn paint_diff_hunk_controls(
6962 &mut self,
6963 layout: &mut EditorLayout,
6964 window: &mut Window,
6965 cx: &mut App,
6966 ) {
6967 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6968 diff_hunk_control.paint(window, cx);
6969 }
6970 }
6971
6972 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6973 if let Some(mut layout) = layout.minimap.take() {
6974 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6975 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6976
6977 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6978 window.with_element_namespace("minimap", |window| {
6979 layout.minimap.paint(window, cx);
6980 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6981 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6982 ScrollbarThumbState::Idle => {
6983 cx.theme().colors().minimap_thumb_background
6984 }
6985 ScrollbarThumbState::Hovered => {
6986 cx.theme().colors().minimap_thumb_hover_background
6987 }
6988 ScrollbarThumbState::Dragging => {
6989 cx.theme().colors().minimap_thumb_active_background
6990 }
6991 };
6992 let minimap_thumb_border = match layout.thumb_border_style {
6993 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6994 MinimapThumbBorder::LeftOnly => Edges {
6995 left: ScrollbarLayout::BORDER_WIDTH,
6996 ..Default::default()
6997 },
6998 MinimapThumbBorder::LeftOpen => Edges {
6999 right: ScrollbarLayout::BORDER_WIDTH,
7000 top: ScrollbarLayout::BORDER_WIDTH,
7001 bottom: ScrollbarLayout::BORDER_WIDTH,
7002 ..Default::default()
7003 },
7004 MinimapThumbBorder::RightOpen => Edges {
7005 left: ScrollbarLayout::BORDER_WIDTH,
7006 top: ScrollbarLayout::BORDER_WIDTH,
7007 bottom: ScrollbarLayout::BORDER_WIDTH,
7008 ..Default::default()
7009 },
7010 MinimapThumbBorder::None => Default::default(),
7011 };
7012
7013 window.paint_layer(minimap_hitbox.bounds, |window| {
7014 window.paint_quad(quad(
7015 thumb_bounds,
7016 Corners::default(),
7017 minimap_thumb_color,
7018 minimap_thumb_border,
7019 cx.theme().colors().minimap_thumb_border,
7020 BorderStyle::Solid,
7021 ));
7022 });
7023 }
7024 });
7025 });
7026
7027 if dragging_minimap {
7028 window.set_window_cursor_style(CursorStyle::Arrow);
7029 } else {
7030 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7031 }
7032
7033 let minimap_axis = ScrollbarAxis::Vertical;
7034 let pixels_per_line = Pixels::from(
7035 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7036 )
7037 .min(layout.minimap_line_height);
7038
7039 let mut mouse_position = window.mouse_position();
7040
7041 window.on_mouse_event({
7042 let editor = self.editor.clone();
7043
7044 let minimap_hitbox = minimap_hitbox.clone();
7045
7046 move |event: &MouseMoveEvent, phase, window, cx| {
7047 if phase == DispatchPhase::Capture {
7048 return;
7049 }
7050
7051 editor.update(cx, |editor, cx| {
7052 if event.pressed_button == Some(MouseButton::Left)
7053 && editor.scroll_manager.is_dragging_minimap()
7054 {
7055 let old_position = mouse_position.along(minimap_axis);
7056 let new_position = event.position.along(minimap_axis);
7057 if (minimap_hitbox.origin.along(minimap_axis)
7058 ..minimap_hitbox.bottom_right().along(minimap_axis))
7059 .contains(&old_position)
7060 {
7061 let position =
7062 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7063 (p + ScrollPixelOffset::from(
7064 (new_position - old_position) / pixels_per_line,
7065 ))
7066 .max(0.)
7067 });
7068
7069 editor.set_scroll_position(position, window, cx);
7070 }
7071 cx.stop_propagation();
7072 } else if minimap_hitbox.is_hovered(window) {
7073 editor.scroll_manager.set_is_hovering_minimap_thumb(
7074 !event.dragging()
7075 && layout
7076 .thumb_layout
7077 .thumb_bounds
7078 .is_some_and(|bounds| bounds.contains(&event.position)),
7079 cx,
7080 );
7081
7082 // Stop hover events from propagating to the
7083 // underlying editor if the minimap hitbox is hovered
7084 if !event.dragging() {
7085 cx.stop_propagation();
7086 }
7087 } else {
7088 editor.scroll_manager.hide_minimap_thumb(cx);
7089 }
7090 mouse_position = event.position;
7091 });
7092 }
7093 });
7094
7095 if dragging_minimap {
7096 window.on_mouse_event({
7097 let editor = self.editor.clone();
7098 move |event: &MouseUpEvent, phase, window, cx| {
7099 if phase == DispatchPhase::Capture {
7100 return;
7101 }
7102
7103 editor.update(cx, |editor, cx| {
7104 if minimap_hitbox.is_hovered(window) {
7105 editor.scroll_manager.set_is_hovering_minimap_thumb(
7106 layout
7107 .thumb_layout
7108 .thumb_bounds
7109 .is_some_and(|bounds| bounds.contains(&event.position)),
7110 cx,
7111 );
7112 } else {
7113 editor.scroll_manager.hide_minimap_thumb(cx);
7114 }
7115 cx.stop_propagation();
7116 });
7117 }
7118 });
7119 } else {
7120 window.on_mouse_event({
7121 let editor = self.editor.clone();
7122
7123 move |event: &MouseDownEvent, phase, window, cx| {
7124 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7125 return;
7126 }
7127
7128 let event_position = event.position;
7129
7130 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7131 return;
7132 };
7133
7134 editor.update(cx, |editor, cx| {
7135 if !thumb_bounds.contains(&event_position) {
7136 let click_position =
7137 event_position.relative_to(&minimap_hitbox.origin).y;
7138
7139 let top_position = (click_position
7140 - thumb_bounds.size.along(minimap_axis) / 2.0)
7141 .max(Pixels::ZERO);
7142
7143 let scroll_offset = (layout.minimap_scroll_top
7144 + ScrollPixelOffset::from(
7145 top_position / layout.minimap_line_height,
7146 ))
7147 .min(layout.max_scroll_top);
7148
7149 let scroll_position = editor
7150 .scroll_position(cx)
7151 .apply_along(minimap_axis, |_| scroll_offset);
7152 editor.set_scroll_position(scroll_position, window, cx);
7153 }
7154
7155 editor.scroll_manager.set_is_dragging_minimap(cx);
7156 cx.stop_propagation();
7157 });
7158 }
7159 });
7160 }
7161 }
7162 }
7163
7164 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7165 for mut block in layout.blocks.drain(..) {
7166 if block.overlaps_gutter {
7167 block.element.paint(window, cx);
7168 } else {
7169 let mut bounds = layout.hitbox.bounds;
7170 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7171 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7172 block.element.paint(window, cx);
7173 })
7174 }
7175 }
7176 }
7177
7178 fn paint_edit_prediction_popover(
7179 &mut self,
7180 layout: &mut EditorLayout,
7181 window: &mut Window,
7182 cx: &mut App,
7183 ) {
7184 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7185 edit_prediction_popover.paint(window, cx);
7186 }
7187 }
7188
7189 fn paint_mouse_context_menu(
7190 &mut self,
7191 layout: &mut EditorLayout,
7192 window: &mut Window,
7193 cx: &mut App,
7194 ) {
7195 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7196 mouse_context_menu.paint(window, cx);
7197 }
7198 }
7199
7200 fn paint_scroll_wheel_listener(
7201 &mut self,
7202 layout: &EditorLayout,
7203 window: &mut Window,
7204 cx: &mut App,
7205 ) {
7206 window.on_mouse_event({
7207 let position_map = layout.position_map.clone();
7208 let editor = self.editor.clone();
7209 let hitbox = layout.hitbox.clone();
7210 let mut delta = ScrollDelta::default();
7211
7212 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7213 // accidentally turn off their scrolling.
7214 let base_scroll_sensitivity =
7215 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7216
7217 // Use a minimum fast_scroll_sensitivity for same reason above
7218 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7219 .fast_scroll_sensitivity
7220 .max(0.01);
7221
7222 move |event: &ScrollWheelEvent, phase, window, cx| {
7223 let scroll_sensitivity = {
7224 if event.modifiers.alt {
7225 fast_scroll_sensitivity
7226 } else {
7227 base_scroll_sensitivity
7228 }
7229 };
7230
7231 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7232 delta = delta.coalesce(event.delta);
7233 editor.update(cx, |editor, cx| {
7234 let position_map: &PositionMap = &position_map;
7235
7236 let line_height = position_map.line_height;
7237 let max_glyph_advance = position_map.em_advance;
7238 let (delta, axis) = match delta {
7239 gpui::ScrollDelta::Pixels(mut pixels) => {
7240 //Trackpad
7241 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7242 (pixels, axis)
7243 }
7244
7245 gpui::ScrollDelta::Lines(lines) => {
7246 //Not trackpad
7247 let pixels =
7248 point(lines.x * max_glyph_advance, lines.y * line_height);
7249 (pixels, None)
7250 }
7251 };
7252
7253 let current_scroll_position = position_map.snapshot.scroll_position();
7254 let x = (current_scroll_position.x
7255 * ScrollPixelOffset::from(max_glyph_advance)
7256 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7257 / ScrollPixelOffset::from(max_glyph_advance);
7258 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7259 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7260 / ScrollPixelOffset::from(line_height);
7261 let mut scroll_position =
7262 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7263 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7264 if forbid_vertical_scroll {
7265 scroll_position.y = current_scroll_position.y;
7266 }
7267
7268 if scroll_position != current_scroll_position {
7269 editor.scroll(scroll_position, axis, window, cx);
7270 cx.stop_propagation();
7271 } else if y < 0. {
7272 // Due to clamping, we may fail to detect cases of overscroll to the top;
7273 // We want the scroll manager to get an update in such cases and detect the change of direction
7274 // on the next frame.
7275 cx.notify();
7276 }
7277 });
7278 }
7279 }
7280 });
7281 }
7282
7283 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7284 if layout.mode.is_minimap() {
7285 return;
7286 }
7287
7288 self.paint_scroll_wheel_listener(layout, window, cx);
7289
7290 window.on_mouse_event({
7291 let position_map = layout.position_map.clone();
7292 let editor = self.editor.clone();
7293 let line_numbers = layout.line_numbers.clone();
7294
7295 move |event: &MouseDownEvent, phase, window, cx| {
7296 if phase == DispatchPhase::Bubble {
7297 match event.button {
7298 MouseButton::Left => editor.update(cx, |editor, cx| {
7299 let pending_mouse_down = editor
7300 .pending_mouse_down
7301 .get_or_insert_with(Default::default)
7302 .clone();
7303
7304 *pending_mouse_down.borrow_mut() = Some(event.clone());
7305
7306 Self::mouse_left_down(
7307 editor,
7308 event,
7309 &position_map,
7310 line_numbers.as_ref(),
7311 window,
7312 cx,
7313 );
7314 }),
7315 MouseButton::Right => editor.update(cx, |editor, cx| {
7316 Self::mouse_right_down(editor, event, &position_map, window, cx);
7317 }),
7318 MouseButton::Middle => editor.update(cx, |editor, cx| {
7319 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7320 }),
7321 _ => {}
7322 };
7323 }
7324 }
7325 });
7326
7327 window.on_mouse_event({
7328 let editor = self.editor.clone();
7329 let position_map = layout.position_map.clone();
7330
7331 move |event: &MouseUpEvent, phase, window, cx| {
7332 if phase == DispatchPhase::Bubble {
7333 editor.update(cx, |editor, cx| {
7334 Self::mouse_up(editor, event, &position_map, window, cx)
7335 });
7336 }
7337 }
7338 });
7339
7340 window.on_mouse_event({
7341 let editor = self.editor.clone();
7342 let position_map = layout.position_map.clone();
7343 let mut captured_mouse_down = None;
7344
7345 move |event: &MouseUpEvent, phase, window, cx| match phase {
7346 // Clear the pending mouse down during the capture phase,
7347 // so that it happens even if another event handler stops
7348 // propagation.
7349 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7350 let pending_mouse_down = editor
7351 .pending_mouse_down
7352 .get_or_insert_with(Default::default)
7353 .clone();
7354
7355 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7356 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7357 captured_mouse_down = pending_mouse_down.take();
7358 window.refresh();
7359 }
7360 }),
7361 // Fire click handlers during the bubble phase.
7362 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7363 if let Some(mouse_down) = captured_mouse_down.take() {
7364 let event = ClickEvent::Mouse(MouseClickEvent {
7365 down: mouse_down,
7366 up: event.clone(),
7367 });
7368 Self::click(editor, &event, &position_map, window, cx);
7369 }
7370 }),
7371 }
7372 });
7373
7374 window.on_mouse_event({
7375 let position_map = layout.position_map.clone();
7376 let editor = self.editor.clone();
7377
7378 move |event: &MouseMoveEvent, phase, window, cx| {
7379 if phase == DispatchPhase::Bubble {
7380 editor.update(cx, |editor, cx| {
7381 if editor.hover_state.focused(window, cx) {
7382 return;
7383 }
7384 if event.pressed_button == Some(MouseButton::Left)
7385 || event.pressed_button == Some(MouseButton::Middle)
7386 {
7387 Self::mouse_dragged(editor, event, &position_map, window, cx)
7388 }
7389
7390 Self::mouse_moved(editor, event, &position_map, window, cx)
7391 });
7392 }
7393 }
7394 });
7395 }
7396
7397 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7398 let style = &self.style;
7399 let font_size = style.text.font_size.to_pixels(window.rem_size());
7400 let layout = window.text_system().shape_line(
7401 SharedString::from(" ".repeat(column)),
7402 font_size,
7403 &[TextRun {
7404 len: column,
7405 font: style.text.font(),
7406 color: Hsla::default(),
7407 background_color: None,
7408 underline: None,
7409 strikethrough: None,
7410 }],
7411 None,
7412 );
7413
7414 layout.width
7415 }
7416
7417 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7418 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7419 self.column_pixels(digit_count as usize, window)
7420 }
7421
7422 fn shape_line_number(
7423 &self,
7424 text: SharedString,
7425 color: Hsla,
7426 window: &mut Window,
7427 ) -> ShapedLine {
7428 let run = TextRun {
7429 len: text.len(),
7430 font: self.style.text.font(),
7431 color,
7432 background_color: None,
7433 underline: None,
7434 strikethrough: None,
7435 };
7436 window.text_system().shape_line(
7437 text,
7438 self.style.text.font_size.to_pixels(window.rem_size()),
7439 &[run],
7440 None,
7441 )
7442 }
7443
7444 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7445 let unstaged = status.has_secondary_hunk();
7446 let unstaged_hollow = matches!(
7447 ProjectSettings::get_global(cx).git.hunk_style,
7448 GitHunkStyleSetting::UnstagedHollow
7449 );
7450
7451 unstaged == unstaged_hollow
7452 }
7453
7454 #[cfg(debug_assertions)]
7455 fn layout_debug_ranges(
7456 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7457 anchor_range: Range<Anchor>,
7458 display_snapshot: &DisplaySnapshot,
7459 cx: &App,
7460 ) {
7461 let theme = cx.theme();
7462 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7463 if debug_ranges.ranges.is_empty() {
7464 return;
7465 }
7466 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7467 for (buffer, buffer_range, excerpt_id) in
7468 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7469 {
7470 let buffer_range =
7471 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7472 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7473 let player_color = theme
7474 .players()
7475 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7476 debug_range.ranges.iter().filter_map(move |range| {
7477 if range.start.buffer_id != Some(buffer.remote_id()) {
7478 return None;
7479 }
7480 let clipped_start = range.start.max(&buffer_range.start, buffer);
7481 let clipped_end = range.end.min(&buffer_range.end, buffer);
7482 let range = buffer_snapshot
7483 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7484 let start = range.start.to_display_point(display_snapshot);
7485 let end = range.end.to_display_point(display_snapshot);
7486 let selection_layout = SelectionLayout {
7487 head: start,
7488 range: start..end,
7489 cursor_shape: CursorShape::Bar,
7490 is_newest: false,
7491 is_local: false,
7492 active_rows: start.row()..end.row(),
7493 user_name: Some(SharedString::new(debug_range.value.clone())),
7494 };
7495 Some((player_color, vec![selection_layout]))
7496 })
7497 }));
7498 }
7499 });
7500 }
7501}
7502
7503fn header_jump_data(
7504 snapshot: &EditorSnapshot,
7505 block_row_start: DisplayRow,
7506 height: u32,
7507 for_excerpt: &ExcerptInfo,
7508) -> JumpData {
7509 let range = &for_excerpt.range;
7510 let buffer = &for_excerpt.buffer;
7511 let jump_anchor = range.primary.start;
7512
7513 let excerpt_start = range.context.start;
7514 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7515 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7516 0
7517 } else {
7518 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7519 jump_position.row.saturating_sub(excerpt_start_point.row)
7520 };
7521
7522 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7523 .saturating_sub(
7524 snapshot
7525 .scroll_anchor
7526 .scroll_position(&snapshot.display_snapshot)
7527 .y as u32,
7528 );
7529
7530 JumpData::MultiBufferPoint {
7531 excerpt_id: for_excerpt.id,
7532 anchor: jump_anchor,
7533 position: jump_position,
7534 line_offset_from_top,
7535 }
7536}
7537
7538pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7539
7540impl AcceptEditPredictionBinding {
7541 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7542 if let Some(binding) = self.0.as_ref() {
7543 match &binding.keystrokes() {
7544 [keystroke, ..] => Some(keystroke),
7545 _ => None,
7546 }
7547 } else {
7548 None
7549 }
7550 }
7551}
7552
7553fn prepaint_gutter_button(
7554 button: IconButton,
7555 row: DisplayRow,
7556 line_height: Pixels,
7557 gutter_dimensions: &GutterDimensions,
7558 scroll_position: gpui::Point<ScrollOffset>,
7559 gutter_hitbox: &Hitbox,
7560 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7561 window: &mut Window,
7562 cx: &mut App,
7563) -> AnyElement {
7564 let mut button = button.into_any_element();
7565
7566 let available_space = size(
7567 AvailableSpace::MinContent,
7568 AvailableSpace::Definite(line_height),
7569 );
7570 let indicator_size = button.layout_as_root(available_space, window, cx);
7571
7572 let blame_width = gutter_dimensions.git_blame_entries_width;
7573 let gutter_width = display_hunks
7574 .binary_search_by(|(hunk, _)| match hunk {
7575 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7576 DisplayDiffHunk::Unfolded {
7577 display_row_range, ..
7578 } => {
7579 if display_row_range.end <= row {
7580 Ordering::Less
7581 } else if display_row_range.start > row {
7582 Ordering::Greater
7583 } else {
7584 Ordering::Equal
7585 }
7586 }
7587 })
7588 .ok()
7589 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7590 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7591
7592 let mut x = left_offset;
7593 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7594 - indicator_size.width
7595 - left_offset;
7596 x += available_width / 2.;
7597
7598 let mut y =
7599 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7600 y += (line_height - indicator_size.height) / 2.;
7601
7602 button.prepaint_as_root(
7603 gutter_hitbox.origin + point(x, y),
7604 available_space,
7605 window,
7606 cx,
7607 );
7608 button
7609}
7610
7611fn render_inline_blame_entry(
7612 blame_entry: BlameEntry,
7613 style: &EditorStyle,
7614 cx: &mut App,
7615) -> Option<AnyElement> {
7616 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7617 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7618}
7619
7620fn render_blame_entry_popover(
7621 blame_entry: BlameEntry,
7622 scroll_handle: ScrollHandle,
7623 commit_message: Option<ParsedCommitMessage>,
7624 markdown: Entity<Markdown>,
7625 workspace: WeakEntity<Workspace>,
7626 blame: &Entity<GitBlame>,
7627 buffer: BufferId,
7628 window: &mut Window,
7629 cx: &mut App,
7630) -> Option<AnyElement> {
7631 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7632 let blame = blame.read(cx);
7633 let repository = blame.repository(cx, buffer)?;
7634 renderer.render_blame_entry_popover(
7635 blame_entry,
7636 scroll_handle,
7637 commit_message,
7638 markdown,
7639 repository,
7640 workspace,
7641 window,
7642 cx,
7643 )
7644}
7645
7646fn render_blame_entry(
7647 ix: usize,
7648 blame: &Entity<GitBlame>,
7649 blame_entry: BlameEntry,
7650 style: &EditorStyle,
7651 last_used_color: &mut Option<(Hsla, Oid)>,
7652 editor: Entity<Editor>,
7653 workspace: Entity<Workspace>,
7654 buffer: BufferId,
7655 renderer: &dyn BlameRenderer,
7656 window: &mut Window,
7657 cx: &mut App,
7658) -> Option<AnyElement> {
7659 let index: u32 = blame_entry.sha.into();
7660 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7661
7662 // If the last color we used is the same as the one we get for this line, but
7663 // the commit SHAs are different, then we try again to get a different color.
7664 if let Some((color, sha)) = *last_used_color
7665 && sha != blame_entry.sha
7666 && color == sha_color
7667 {
7668 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7669 }
7670 last_used_color.replace((sha_color, blame_entry.sha));
7671
7672 let blame = blame.read(cx);
7673 let details = blame.details_for_entry(buffer, &blame_entry);
7674 let repository = blame.repository(cx, buffer)?;
7675 renderer.render_blame_entry(
7676 &style.text,
7677 blame_entry,
7678 details,
7679 repository,
7680 workspace.downgrade(),
7681 editor,
7682 ix,
7683 sha_color,
7684 window,
7685 cx,
7686 )
7687}
7688
7689#[derive(Debug)]
7690pub(crate) struct LineWithInvisibles {
7691 fragments: SmallVec<[LineFragment; 1]>,
7692 invisibles: Vec<Invisible>,
7693 len: usize,
7694 pub(crate) width: Pixels,
7695 font_size: Pixels,
7696}
7697
7698enum LineFragment {
7699 Text(ShapedLine),
7700 Element {
7701 id: ChunkRendererId,
7702 element: Option<AnyElement>,
7703 size: Size<Pixels>,
7704 len: usize,
7705 },
7706}
7707
7708impl fmt::Debug for LineFragment {
7709 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7710 match self {
7711 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7712 LineFragment::Element { size, len, .. } => f
7713 .debug_struct("Element")
7714 .field("size", size)
7715 .field("len", len)
7716 .finish(),
7717 }
7718 }
7719}
7720
7721impl LineWithInvisibles {
7722 fn from_chunks<'a>(
7723 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7724 editor_style: &EditorStyle,
7725 max_line_len: usize,
7726 max_line_count: usize,
7727 editor_mode: &EditorMode,
7728 text_width: Pixels,
7729 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7730 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7731 window: &mut Window,
7732 cx: &mut App,
7733 ) -> Vec<Self> {
7734 let text_style = &editor_style.text;
7735 let mut layouts = Vec::with_capacity(max_line_count);
7736 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7737 let mut line = String::new();
7738 let mut invisibles = Vec::new();
7739 let mut width = Pixels::ZERO;
7740 let mut len = 0;
7741 let mut styles = Vec::new();
7742 let mut non_whitespace_added = false;
7743 let mut row = 0;
7744 let mut line_exceeded_max_len = false;
7745 let font_size = text_style.font_size.to_pixels(window.rem_size());
7746 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7747
7748 let ellipsis = SharedString::from("β―");
7749
7750 for highlighted_chunk in chunks.chain([HighlightedChunk {
7751 text: "\n",
7752 style: None,
7753 is_tab: false,
7754 is_inlay: false,
7755 replacement: None,
7756 }]) {
7757 if let Some(replacement) = highlighted_chunk.replacement {
7758 if !line.is_empty() {
7759 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7760 let text_runs: &[TextRun] = if segments.is_empty() {
7761 &styles
7762 } else {
7763 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7764 };
7765 let shaped_line = window.text_system().shape_line(
7766 line.clone().into(),
7767 font_size,
7768 text_runs,
7769 None,
7770 );
7771 width += shaped_line.width;
7772 len += shaped_line.len;
7773 fragments.push(LineFragment::Text(shaped_line));
7774 line.clear();
7775 styles.clear();
7776 }
7777
7778 match replacement {
7779 ChunkReplacement::Renderer(renderer) => {
7780 let available_width = if renderer.constrain_width {
7781 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7782 ellipsis.clone()
7783 } else {
7784 SharedString::from(Arc::from(highlighted_chunk.text))
7785 };
7786 let shaped_line = window.text_system().shape_line(
7787 chunk,
7788 font_size,
7789 &[text_style.to_run(highlighted_chunk.text.len())],
7790 None,
7791 );
7792 AvailableSpace::Definite(shaped_line.width)
7793 } else {
7794 AvailableSpace::MinContent
7795 };
7796
7797 let mut element = (renderer.render)(&mut ChunkRendererContext {
7798 context: cx,
7799 window,
7800 max_width: text_width,
7801 });
7802 let line_height = text_style.line_height_in_pixels(window.rem_size());
7803 let size = element.layout_as_root(
7804 size(available_width, AvailableSpace::Definite(line_height)),
7805 window,
7806 cx,
7807 );
7808
7809 width += size.width;
7810 len += highlighted_chunk.text.len();
7811 fragments.push(LineFragment::Element {
7812 id: renderer.id,
7813 element: Some(element),
7814 size,
7815 len: highlighted_chunk.text.len(),
7816 });
7817 }
7818 ChunkReplacement::Str(x) => {
7819 let text_style = if let Some(style) = highlighted_chunk.style {
7820 Cow::Owned(text_style.clone().highlight(style))
7821 } else {
7822 Cow::Borrowed(text_style)
7823 };
7824
7825 let run = TextRun {
7826 len: x.len(),
7827 font: text_style.font(),
7828 color: text_style.color,
7829 background_color: text_style.background_color,
7830 underline: text_style.underline,
7831 strikethrough: text_style.strikethrough,
7832 };
7833 let line_layout = window
7834 .text_system()
7835 .shape_line(x, font_size, &[run], None)
7836 .with_len(highlighted_chunk.text.len());
7837
7838 width += line_layout.width;
7839 len += highlighted_chunk.text.len();
7840 fragments.push(LineFragment::Text(line_layout))
7841 }
7842 }
7843 } else {
7844 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7845 if ix > 0 {
7846 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7847 let text_runs = if segments.is_empty() {
7848 &styles
7849 } else {
7850 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7851 };
7852 let shaped_line = window.text_system().shape_line(
7853 line.clone().into(),
7854 font_size,
7855 text_runs,
7856 None,
7857 );
7858 width += shaped_line.width;
7859 len += shaped_line.len;
7860 fragments.push(LineFragment::Text(shaped_line));
7861 layouts.push(Self {
7862 width: mem::take(&mut width),
7863 len: mem::take(&mut len),
7864 fragments: mem::take(&mut fragments),
7865 invisibles: std::mem::take(&mut invisibles),
7866 font_size,
7867 });
7868
7869 line.clear();
7870 styles.clear();
7871 row += 1;
7872 line_exceeded_max_len = false;
7873 non_whitespace_added = false;
7874 if row == max_line_count {
7875 return layouts;
7876 }
7877 }
7878
7879 if !line_chunk.is_empty() && !line_exceeded_max_len {
7880 let text_style = if let Some(style) = highlighted_chunk.style {
7881 Cow::Owned(text_style.clone().highlight(style))
7882 } else {
7883 Cow::Borrowed(text_style)
7884 };
7885
7886 if line.len() + line_chunk.len() > max_line_len {
7887 let mut chunk_len = max_line_len - line.len();
7888 while !line_chunk.is_char_boundary(chunk_len) {
7889 chunk_len -= 1;
7890 }
7891 line_chunk = &line_chunk[..chunk_len];
7892 line_exceeded_max_len = true;
7893 }
7894
7895 styles.push(TextRun {
7896 len: line_chunk.len(),
7897 font: text_style.font(),
7898 color: text_style.color,
7899 background_color: text_style.background_color,
7900 underline: text_style.underline,
7901 strikethrough: text_style.strikethrough,
7902 });
7903
7904 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7905 // Line wrap pads its contents with fake whitespaces,
7906 // avoid printing them
7907 let is_soft_wrapped = is_row_soft_wrapped(row);
7908 if highlighted_chunk.is_tab {
7909 if non_whitespace_added || !is_soft_wrapped {
7910 invisibles.push(Invisible::Tab {
7911 line_start_offset: line.len(),
7912 line_end_offset: line.len() + line_chunk.len(),
7913 });
7914 }
7915 } else {
7916 invisibles.extend(line_chunk.char_indices().filter_map(
7917 |(index, c)| {
7918 let is_whitespace = c.is_whitespace();
7919 non_whitespace_added |= !is_whitespace;
7920 if is_whitespace
7921 && (non_whitespace_added || !is_soft_wrapped)
7922 {
7923 Some(Invisible::Whitespace {
7924 line_offset: line.len() + index,
7925 })
7926 } else {
7927 None
7928 }
7929 },
7930 ))
7931 }
7932 }
7933
7934 line.push_str(line_chunk);
7935 }
7936 }
7937 }
7938 }
7939
7940 layouts
7941 }
7942
7943 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7944 /// Returns new text runs with adjusted contrast as per background ranges.
7945 fn split_runs_by_bg_segments(
7946 text_runs: &[TextRun],
7947 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7948 min_contrast: f32,
7949 start_col_offset: usize,
7950 ) -> Vec<TextRun> {
7951 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7952 let mut line_col = start_col_offset;
7953 let mut segment_ix = 0usize;
7954
7955 for text_run in text_runs.iter() {
7956 let run_start_col = line_col;
7957 let run_end_col = run_start_col + text_run.len;
7958 while segment_ix < bg_segments.len()
7959 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7960 {
7961 segment_ix += 1;
7962 }
7963 let mut cursor_col = run_start_col;
7964 let mut local_segment_ix = segment_ix;
7965 while local_segment_ix < bg_segments.len() {
7966 let (range, segment_color) = &bg_segments[local_segment_ix];
7967 let segment_start_col = range.start.column() as usize;
7968 let segment_end_col = range.end.column() as usize;
7969 if segment_start_col >= run_end_col {
7970 break;
7971 }
7972 if segment_start_col > cursor_col {
7973 let span_len = segment_start_col - cursor_col;
7974 output_runs.push(TextRun {
7975 len: span_len,
7976 font: text_run.font.clone(),
7977 color: text_run.color,
7978 background_color: text_run.background_color,
7979 underline: text_run.underline,
7980 strikethrough: text_run.strikethrough,
7981 });
7982 cursor_col = segment_start_col;
7983 }
7984 let segment_slice_end_col = segment_end_col.min(run_end_col);
7985 if segment_slice_end_col > cursor_col {
7986 let new_text_color =
7987 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7988 output_runs.push(TextRun {
7989 len: segment_slice_end_col - cursor_col,
7990 font: text_run.font.clone(),
7991 color: new_text_color,
7992 background_color: text_run.background_color,
7993 underline: text_run.underline,
7994 strikethrough: text_run.strikethrough,
7995 });
7996 cursor_col = segment_slice_end_col;
7997 }
7998 if segment_end_col >= run_end_col {
7999 break;
8000 }
8001 local_segment_ix += 1;
8002 }
8003 if cursor_col < run_end_col {
8004 output_runs.push(TextRun {
8005 len: run_end_col - cursor_col,
8006 font: text_run.font.clone(),
8007 color: text_run.color,
8008 background_color: text_run.background_color,
8009 underline: text_run.underline,
8010 strikethrough: text_run.strikethrough,
8011 });
8012 }
8013 line_col = run_end_col;
8014 segment_ix = local_segment_ix;
8015 }
8016 output_runs
8017 }
8018
8019 fn prepaint(
8020 &mut self,
8021 line_height: Pixels,
8022 scroll_position: gpui::Point<ScrollOffset>,
8023 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8024 row: DisplayRow,
8025 content_origin: gpui::Point<Pixels>,
8026 line_elements: &mut SmallVec<[AnyElement; 1]>,
8027 window: &mut Window,
8028 cx: &mut App,
8029 ) {
8030 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8031 let mut fragment_origin =
8032 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8033 for fragment in &mut self.fragments {
8034 match fragment {
8035 LineFragment::Text(line) => {
8036 fragment_origin.x += line.width;
8037 }
8038 LineFragment::Element { element, size, .. } => {
8039 let mut element = element
8040 .take()
8041 .expect("you can't prepaint LineWithInvisibles twice");
8042
8043 // Center the element vertically within the line.
8044 let mut element_origin = fragment_origin;
8045 element_origin.y += (line_height - size.height) / 2.;
8046 element.prepaint_at(element_origin, window, cx);
8047 line_elements.push(element);
8048
8049 fragment_origin.x += size.width;
8050 }
8051 }
8052 }
8053 }
8054
8055 fn draw(
8056 &self,
8057 layout: &EditorLayout,
8058 row: DisplayRow,
8059 content_origin: gpui::Point<Pixels>,
8060 whitespace_setting: ShowWhitespaceSetting,
8061 selection_ranges: &[Range<DisplayPoint>],
8062 window: &mut Window,
8063 cx: &mut App,
8064 ) {
8065 let line_height = layout.position_map.line_height;
8066 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8067
8068 let mut fragment_origin = content_origin
8069 + gpui::point(
8070 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8071 line_y,
8072 );
8073
8074 for fragment in &self.fragments {
8075 match fragment {
8076 LineFragment::Text(line) => {
8077 line.paint(fragment_origin, line_height, window, cx)
8078 .log_err();
8079 fragment_origin.x += line.width;
8080 }
8081 LineFragment::Element { size, .. } => {
8082 fragment_origin.x += size.width;
8083 }
8084 }
8085 }
8086
8087 self.draw_invisibles(
8088 selection_ranges,
8089 layout,
8090 content_origin,
8091 line_y,
8092 row,
8093 line_height,
8094 whitespace_setting,
8095 window,
8096 cx,
8097 );
8098 }
8099
8100 fn draw_background(
8101 &self,
8102 layout: &EditorLayout,
8103 row: DisplayRow,
8104 content_origin: gpui::Point<Pixels>,
8105 window: &mut Window,
8106 cx: &mut App,
8107 ) {
8108 let line_height = layout.position_map.line_height;
8109 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8110
8111 let mut fragment_origin = content_origin
8112 + gpui::point(
8113 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8114 line_y,
8115 );
8116
8117 for fragment in &self.fragments {
8118 match fragment {
8119 LineFragment::Text(line) => {
8120 line.paint_background(fragment_origin, line_height, window, cx)
8121 .log_err();
8122 fragment_origin.x += line.width;
8123 }
8124 LineFragment::Element { size, .. } => {
8125 fragment_origin.x += size.width;
8126 }
8127 }
8128 }
8129 }
8130
8131 fn draw_invisibles(
8132 &self,
8133 selection_ranges: &[Range<DisplayPoint>],
8134 layout: &EditorLayout,
8135 content_origin: gpui::Point<Pixels>,
8136 line_y: Pixels,
8137 row: DisplayRow,
8138 line_height: Pixels,
8139 whitespace_setting: ShowWhitespaceSetting,
8140 window: &mut Window,
8141 cx: &mut App,
8142 ) {
8143 let extract_whitespace_info = |invisible: &Invisible| {
8144 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8145 Invisible::Tab {
8146 line_start_offset,
8147 line_end_offset,
8148 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8149 Invisible::Whitespace { line_offset } => {
8150 (*line_offset, line_offset + 1, &layout.space_invisible)
8151 }
8152 };
8153
8154 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8155 let invisible_offset: ScrollPixelOffset =
8156 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8157 .into();
8158 let origin = content_origin
8159 + gpui::point(
8160 Pixels::from(
8161 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8162 ),
8163 line_y,
8164 );
8165
8166 (
8167 [token_offset, token_end_offset],
8168 Box::new(move |window: &mut Window, cx: &mut App| {
8169 invisible_symbol
8170 .paint(origin, line_height, window, cx)
8171 .log_err();
8172 }),
8173 )
8174 };
8175
8176 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8177 match whitespace_setting {
8178 ShowWhitespaceSetting::None => (),
8179 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8180 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8181 let invisible_point = DisplayPoint::new(row, start as u32);
8182 if !selection_ranges
8183 .iter()
8184 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8185 {
8186 return;
8187 }
8188
8189 paint(window, cx);
8190 }),
8191
8192 ShowWhitespaceSetting::Trailing => {
8193 let mut previous_start = self.len;
8194 for ([start, end], paint) in invisible_iter.rev() {
8195 if previous_start != end {
8196 break;
8197 }
8198 previous_start = start;
8199 paint(window, cx);
8200 }
8201 }
8202
8203 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8204 // - It is a tab
8205 // - It is adjacent to an edge (start or end)
8206 // - It is adjacent to a whitespace (left or right)
8207 ShowWhitespaceSetting::Boundary => {
8208 // 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
8209 // the above cases.
8210 // Note: We zip in the original `invisibles` to check for tab equality
8211 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8212 for (([start, end], paint), invisible) in
8213 invisible_iter.zip_eq(self.invisibles.iter())
8214 {
8215 let should_render = match (&last_seen, invisible) {
8216 (_, Invisible::Tab { .. }) => true,
8217 (Some((_, last_end, _)), _) => *last_end == start,
8218 _ => false,
8219 };
8220
8221 if should_render || start == 0 || end == self.len {
8222 paint(window, cx);
8223
8224 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8225 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8226 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8227 // Note that we need to make sure that the last one is actually adjacent
8228 if !should_render_last && last_end == start {
8229 paint_last(window, cx);
8230 }
8231 }
8232 }
8233
8234 // Manually render anything within a selection
8235 let invisible_point = DisplayPoint::new(row, start as u32);
8236 if selection_ranges.iter().any(|region| {
8237 region.start <= invisible_point && invisible_point < region.end
8238 }) {
8239 paint(window, cx);
8240 }
8241
8242 last_seen = Some((should_render, end, paint));
8243 }
8244 }
8245 }
8246 }
8247
8248 pub fn x_for_index(&self, index: usize) -> Pixels {
8249 let mut fragment_start_x = Pixels::ZERO;
8250 let mut fragment_start_index = 0;
8251
8252 for fragment in &self.fragments {
8253 match fragment {
8254 LineFragment::Text(shaped_line) => {
8255 let fragment_end_index = fragment_start_index + shaped_line.len;
8256 if index < fragment_end_index {
8257 return fragment_start_x
8258 + shaped_line.x_for_index(index - fragment_start_index);
8259 }
8260 fragment_start_x += shaped_line.width;
8261 fragment_start_index = fragment_end_index;
8262 }
8263 LineFragment::Element { len, size, .. } => {
8264 let fragment_end_index = fragment_start_index + len;
8265 if index < fragment_end_index {
8266 return fragment_start_x;
8267 }
8268 fragment_start_x += size.width;
8269 fragment_start_index = fragment_end_index;
8270 }
8271 }
8272 }
8273
8274 fragment_start_x
8275 }
8276
8277 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8278 let mut fragment_start_x = Pixels::ZERO;
8279 let mut fragment_start_index = 0;
8280
8281 for fragment in &self.fragments {
8282 match fragment {
8283 LineFragment::Text(shaped_line) => {
8284 let fragment_end_x = fragment_start_x + shaped_line.width;
8285 if x < fragment_end_x {
8286 return Some(
8287 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8288 );
8289 }
8290 fragment_start_x = fragment_end_x;
8291 fragment_start_index += shaped_line.len;
8292 }
8293 LineFragment::Element { len, size, .. } => {
8294 let fragment_end_x = fragment_start_x + size.width;
8295 if x < fragment_end_x {
8296 return Some(fragment_start_index);
8297 }
8298 fragment_start_index += len;
8299 fragment_start_x = fragment_end_x;
8300 }
8301 }
8302 }
8303
8304 None
8305 }
8306
8307 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8308 let mut fragment_start_index = 0;
8309
8310 for fragment in &self.fragments {
8311 match fragment {
8312 LineFragment::Text(shaped_line) => {
8313 let fragment_end_index = fragment_start_index + shaped_line.len;
8314 if index < fragment_end_index {
8315 return shaped_line.font_id_for_index(index - fragment_start_index);
8316 }
8317 fragment_start_index = fragment_end_index;
8318 }
8319 LineFragment::Element { len, .. } => {
8320 let fragment_end_index = fragment_start_index + len;
8321 if index < fragment_end_index {
8322 return None;
8323 }
8324 fragment_start_index = fragment_end_index;
8325 }
8326 }
8327 }
8328
8329 None
8330 }
8331}
8332
8333#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8334enum Invisible {
8335 /// A tab character
8336 ///
8337 /// A tab character is internally represented by spaces (configured by the user's tab width)
8338 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8339 /// adjacency checks.
8340 Tab {
8341 line_start_offset: usize,
8342 line_end_offset: usize,
8343 },
8344 Whitespace {
8345 line_offset: usize,
8346 },
8347}
8348
8349impl EditorElement {
8350 /// Returns the rem size to use when rendering the [`EditorElement`].
8351 ///
8352 /// This allows UI elements to scale based on the `buffer_font_size`.
8353 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8354 match self.editor.read(cx).mode {
8355 EditorMode::Full {
8356 scale_ui_elements_with_buffer_font_size: true,
8357 ..
8358 }
8359 | EditorMode::Minimap { .. } => {
8360 let buffer_font_size = self.style.text.font_size;
8361 match buffer_font_size {
8362 AbsoluteLength::Pixels(pixels) => {
8363 let rem_size_scale = {
8364 // Our default UI font size is 14px on a 16px base scale.
8365 // This means the default UI font size is 0.875rems.
8366 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8367
8368 // We then determine the delta between a single rem and the default font
8369 // size scale.
8370 let default_font_size_delta = 1. - default_font_size_scale;
8371
8372 // Finally, we add this delta to 1rem to get the scale factor that
8373 // should be used to scale up the UI.
8374 1. + default_font_size_delta
8375 };
8376
8377 Some(pixels * rem_size_scale)
8378 }
8379 AbsoluteLength::Rems(rems) => {
8380 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8381 }
8382 }
8383 }
8384 // We currently use single-line and auto-height editors in UI contexts,
8385 // so we don't want to scale everything with the buffer font size, as it
8386 // ends up looking off.
8387 _ => None,
8388 }
8389 }
8390
8391 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8392 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8393 parent.upgrade()
8394 } else {
8395 Some(self.editor.clone())
8396 }
8397 }
8398}
8399
8400impl Element for EditorElement {
8401 type RequestLayoutState = ();
8402 type PrepaintState = EditorLayout;
8403
8404 fn id(&self) -> Option<ElementId> {
8405 None
8406 }
8407
8408 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8409 None
8410 }
8411
8412 fn request_layout(
8413 &mut self,
8414 _: Option<&GlobalElementId>,
8415 _inspector_id: Option<&gpui::InspectorElementId>,
8416 window: &mut Window,
8417 cx: &mut App,
8418 ) -> (gpui::LayoutId, ()) {
8419 let rem_size = self.rem_size(cx);
8420 window.with_rem_size(rem_size, |window| {
8421 self.editor.update(cx, |editor, cx| {
8422 editor.set_style(self.style.clone(), window, cx);
8423
8424 let layout_id = match editor.mode {
8425 EditorMode::SingleLine => {
8426 let rem_size = window.rem_size();
8427 let height = self.style.text.line_height_in_pixels(rem_size);
8428 let mut style = Style::default();
8429 style.size.height = height.into();
8430 style.size.width = relative(1.).into();
8431 window.request_layout(style, None, cx)
8432 }
8433 EditorMode::AutoHeight {
8434 min_lines,
8435 max_lines,
8436 } => {
8437 let editor_handle = cx.entity();
8438 let max_line_number_width =
8439 self.max_line_number_width(&editor.snapshot(window, cx), window);
8440 window.request_measured_layout(
8441 Style::default(),
8442 move |known_dimensions, available_space, window, cx| {
8443 editor_handle
8444 .update(cx, |editor, cx| {
8445 compute_auto_height_layout(
8446 editor,
8447 min_lines,
8448 max_lines,
8449 max_line_number_width,
8450 known_dimensions,
8451 available_space.width,
8452 window,
8453 cx,
8454 )
8455 })
8456 .unwrap_or_default()
8457 },
8458 )
8459 }
8460 EditorMode::Minimap { .. } => {
8461 let mut style = Style::default();
8462 style.size.width = relative(1.).into();
8463 style.size.height = relative(1.).into();
8464 window.request_layout(style, None, cx)
8465 }
8466 EditorMode::Full {
8467 sized_by_content, ..
8468 } => {
8469 let mut style = Style::default();
8470 style.size.width = relative(1.).into();
8471 if sized_by_content {
8472 let snapshot = editor.snapshot(window, cx);
8473 let line_height =
8474 self.style.text.line_height_in_pixels(window.rem_size());
8475 let scroll_height =
8476 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8477 style.size.height = scroll_height.into();
8478 } else {
8479 style.size.height = relative(1.).into();
8480 }
8481 window.request_layout(style, None, cx)
8482 }
8483 };
8484
8485 (layout_id, ())
8486 })
8487 })
8488 }
8489
8490 fn prepaint(
8491 &mut self,
8492 _: Option<&GlobalElementId>,
8493 _inspector_id: Option<&gpui::InspectorElementId>,
8494 bounds: Bounds<Pixels>,
8495 _: &mut Self::RequestLayoutState,
8496 window: &mut Window,
8497 cx: &mut App,
8498 ) -> Self::PrepaintState {
8499 let text_style = TextStyleRefinement {
8500 font_size: Some(self.style.text.font_size),
8501 line_height: Some(self.style.text.line_height),
8502 ..Default::default()
8503 };
8504
8505 let is_minimap = self.editor.read(cx).mode.is_minimap();
8506
8507 if !is_minimap {
8508 let focus_handle = self.editor.focus_handle(cx);
8509 window.set_view_id(self.editor.entity_id());
8510 window.set_focus_handle(&focus_handle, cx);
8511 }
8512
8513 let rem_size = self.rem_size(cx);
8514 window.with_rem_size(rem_size, |window| {
8515 window.with_text_style(Some(text_style), |window| {
8516 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8517 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8518 (editor.snapshot(window, cx), editor.read_only(cx))
8519 });
8520 let style = &self.style;
8521
8522 let rem_size = window.rem_size();
8523 let font_id = window.text_system().resolve_font(&style.text.font());
8524 let font_size = style.text.font_size.to_pixels(rem_size);
8525 let line_height = style.text.line_height_in_pixels(rem_size);
8526 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8527 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8528 let glyph_grid_cell = size(em_advance, line_height);
8529
8530 let gutter_dimensions = snapshot
8531 .gutter_dimensions(
8532 font_id,
8533 font_size,
8534 self.max_line_number_width(&snapshot, window),
8535 cx,
8536 )
8537 .or_else(|| {
8538 self.editor.read(cx).offset_content.then(|| {
8539 GutterDimensions::default_with_margin(font_id, font_size, cx)
8540 })
8541 })
8542 .unwrap_or_default();
8543 let text_width = bounds.size.width - gutter_dimensions.width;
8544
8545 let settings = EditorSettings::get_global(cx);
8546 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8547 let vertical_scrollbar_width = (scrollbars_shown
8548 && settings.scrollbar.axes.vertical
8549 && self.editor.read(cx).show_scrollbars.vertical)
8550 .then_some(style.scrollbar_width)
8551 .unwrap_or_default();
8552 let minimap_width = self
8553 .get_minimap_width(
8554 &settings.minimap,
8555 scrollbars_shown,
8556 text_width,
8557 em_width,
8558 font_size,
8559 rem_size,
8560 cx,
8561 )
8562 .unwrap_or_default();
8563
8564 let right_margin = minimap_width + vertical_scrollbar_width;
8565
8566 let editor_width =
8567 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8568 let editor_margins = EditorMargins {
8569 gutter: gutter_dimensions,
8570 right: right_margin,
8571 };
8572
8573 snapshot = self.editor.update(cx, |editor, cx| {
8574 editor.last_bounds = Some(bounds);
8575 editor.gutter_dimensions = gutter_dimensions;
8576 editor.set_visible_line_count(
8577 (bounds.size.height / line_height) as f64,
8578 window,
8579 cx,
8580 );
8581 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8582
8583 if matches!(
8584 editor.mode,
8585 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8586 ) {
8587 snapshot
8588 } else {
8589 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8590 let wrap_width = match editor.soft_wrap_mode(cx) {
8591 SoftWrap::GitDiff => None,
8592 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8593 SoftWrap::EditorWidth => Some(editor_width),
8594 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8595 SoftWrap::Bounded(column) => {
8596 Some(editor_width.min(wrap_width_for(column)))
8597 }
8598 };
8599
8600 if editor.set_wrap_width(wrap_width, cx) {
8601 editor.snapshot(window, cx)
8602 } else {
8603 snapshot
8604 }
8605 }
8606 });
8607
8608 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8609 let gutter_hitbox = window.insert_hitbox(
8610 gutter_bounds(bounds, gutter_dimensions),
8611 HitboxBehavior::Normal,
8612 );
8613 let text_hitbox = window.insert_hitbox(
8614 Bounds {
8615 origin: gutter_hitbox.top_right(),
8616 size: size(text_width, bounds.size.height),
8617 },
8618 HitboxBehavior::Normal,
8619 );
8620
8621 // Offset the content_bounds from the text_bounds by the gutter margin (which
8622 // is roughly half a character wide) to make hit testing work more like how we want.
8623 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8624 let content_origin = text_hitbox.origin + content_offset;
8625
8626 let height_in_lines = f64::from(bounds.size.height / line_height);
8627 let max_row = snapshot.max_point().row().as_f64();
8628
8629 // The max scroll position for the top of the window
8630 let max_scroll_top = if matches!(
8631 snapshot.mode,
8632 EditorMode::SingleLine
8633 | EditorMode::AutoHeight { .. }
8634 | EditorMode::Full {
8635 sized_by_content: true,
8636 ..
8637 }
8638 ) {
8639 (max_row - height_in_lines + 1.).max(0.)
8640 } else {
8641 let settings = EditorSettings::get_global(cx);
8642 match settings.scroll_beyond_last_line {
8643 ScrollBeyondLastLine::OnePage => max_row,
8644 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8645 ScrollBeyondLastLine::VerticalScrollMargin => {
8646 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8647 .max(0.)
8648 }
8649 }
8650 };
8651
8652 let (
8653 autoscroll_request,
8654 autoscroll_containing_element,
8655 needs_horizontal_autoscroll,
8656 ) = self.editor.update(cx, |editor, cx| {
8657 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8658
8659 let autoscroll_containing_element =
8660 autoscroll_request.is_some() || editor.has_pending_selection();
8661
8662 let (needs_horizontal_autoscroll, was_scrolled) = editor
8663 .autoscroll_vertically(
8664 bounds,
8665 line_height,
8666 max_scroll_top,
8667 autoscroll_request,
8668 window,
8669 cx,
8670 );
8671 if was_scrolled.0 {
8672 snapshot = editor.snapshot(window, cx);
8673 }
8674 (
8675 autoscroll_request,
8676 autoscroll_containing_element,
8677 needs_horizontal_autoscroll,
8678 )
8679 });
8680
8681 let mut scroll_position = snapshot.scroll_position();
8682 // The scroll position is a fractional point, the whole number of which represents
8683 // the top of the window in terms of display rows.
8684 let start_row = DisplayRow(scroll_position.y as u32);
8685 let max_row = snapshot.max_point().row();
8686 let end_row = cmp::min(
8687 (scroll_position.y + height_in_lines).ceil() as u32,
8688 max_row.next_row().0,
8689 );
8690 let end_row = DisplayRow(end_row);
8691
8692 let row_infos = snapshot
8693 .row_infos(start_row)
8694 .take((start_row..end_row).len())
8695 .collect::<Vec<RowInfo>>();
8696 let is_row_soft_wrapped = |row: usize| {
8697 row_infos
8698 .get(row)
8699 .is_none_or(|info| info.buffer_row.is_none())
8700 };
8701
8702 let start_anchor = if start_row == Default::default() {
8703 Anchor::min()
8704 } else {
8705 snapshot.buffer_snapshot().anchor_before(
8706 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8707 )
8708 };
8709 let end_anchor = if end_row > max_row {
8710 Anchor::max()
8711 } else {
8712 snapshot.buffer_snapshot().anchor_before(
8713 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8714 )
8715 };
8716
8717 let mut highlighted_rows = self
8718 .editor
8719 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8720
8721 let is_light = cx.theme().appearance().is_light();
8722
8723 for (ix, row_info) in row_infos.iter().enumerate() {
8724 let Some(diff_status) = row_info.diff_status else {
8725 continue;
8726 };
8727
8728 let background_color = match diff_status.kind {
8729 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8730 DiffHunkStatusKind::Deleted => {
8731 cx.theme().colors().version_control_deleted
8732 }
8733 DiffHunkStatusKind::Modified => {
8734 debug_panic!("modified diff status for row info");
8735 continue;
8736 }
8737 };
8738
8739 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8740
8741 let hollow_highlight = LineHighlight {
8742 background: (background_color.opacity(if is_light {
8743 0.08
8744 } else {
8745 0.06
8746 }))
8747 .into(),
8748 border: Some(if is_light {
8749 background_color.opacity(0.48)
8750 } else {
8751 background_color.opacity(0.36)
8752 }),
8753 include_gutter: true,
8754 type_id: None,
8755 };
8756
8757 let filled_highlight = LineHighlight {
8758 background: solid_background(background_color.opacity(hunk_opacity)),
8759 border: None,
8760 include_gutter: true,
8761 type_id: None,
8762 };
8763
8764 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8765 hollow_highlight
8766 } else {
8767 filled_highlight
8768 };
8769
8770 highlighted_rows
8771 .entry(start_row + DisplayRow(ix as u32))
8772 .or_insert(background);
8773 }
8774
8775 let highlighted_ranges = self
8776 .editor_with_selections(cx)
8777 .map(|editor| {
8778 editor.read(cx).background_highlights_in_range(
8779 start_anchor..end_anchor,
8780 &snapshot.display_snapshot,
8781 cx.theme(),
8782 )
8783 })
8784 .unwrap_or_default();
8785 let highlighted_gutter_ranges =
8786 self.editor.read(cx).gutter_highlights_in_range(
8787 start_anchor..end_anchor,
8788 &snapshot.display_snapshot,
8789 cx,
8790 );
8791
8792 let document_colors = self
8793 .editor
8794 .read(cx)
8795 .colors
8796 .as_ref()
8797 .map(|colors| colors.editor_display_highlights(&snapshot));
8798 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8799 start_anchor..end_anchor,
8800 &snapshot.display_snapshot,
8801 cx,
8802 );
8803
8804 let (local_selections, selected_buffer_ids): (
8805 Vec<Selection<Point>>,
8806 Vec<BufferId>,
8807 ) = self
8808 .editor_with_selections(cx)
8809 .map(|editor| {
8810 editor.update(cx, |editor, cx| {
8811 let all_selections =
8812 editor.selections.all::<Point>(&snapshot.display_snapshot);
8813 let selected_buffer_ids =
8814 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8815 Vec::new()
8816 } else {
8817 let mut selected_buffer_ids =
8818 Vec::with_capacity(all_selections.len());
8819
8820 for selection in all_selections {
8821 for buffer_id in snapshot
8822 .buffer_snapshot()
8823 .buffer_ids_for_range(selection.range())
8824 {
8825 if selected_buffer_ids.last() != Some(&buffer_id) {
8826 selected_buffer_ids.push(buffer_id);
8827 }
8828 }
8829 }
8830
8831 selected_buffer_ids
8832 };
8833
8834 let mut selections = editor.selections.disjoint_in_range(
8835 start_anchor..end_anchor,
8836 &snapshot.display_snapshot,
8837 );
8838 selections
8839 .extend(editor.selections.pending(&snapshot.display_snapshot));
8840
8841 (selections, selected_buffer_ids)
8842 })
8843 })
8844 .unwrap_or_default();
8845
8846 let (selections, mut active_rows, newest_selection_head) = self
8847 .layout_selections(
8848 start_anchor,
8849 end_anchor,
8850 &local_selections,
8851 &snapshot,
8852 start_row,
8853 end_row,
8854 window,
8855 cx,
8856 );
8857 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8858 editor.active_breakpoints(start_row..end_row, window, cx)
8859 });
8860 for (display_row, (_, bp, state)) in &breakpoint_rows {
8861 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8862 active_rows.entry(*display_row).or_default().breakpoint = true;
8863 }
8864 }
8865
8866 let line_numbers = self.layout_line_numbers(
8867 Some(&gutter_hitbox),
8868 gutter_dimensions,
8869 line_height,
8870 scroll_position,
8871 start_row..end_row,
8872 &row_infos,
8873 &active_rows,
8874 newest_selection_head,
8875 &snapshot,
8876 window,
8877 cx,
8878 );
8879
8880 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8881 // line numbers so we don't paint a line number debug accent color if a user
8882 // has their mouse over that line when a breakpoint isn't there
8883 self.editor.update(cx, |editor, _| {
8884 if let Some(phantom_breakpoint) = &mut editor
8885 .gutter_breakpoint_indicator
8886 .0
8887 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8888 {
8889 // Is there a non-phantom breakpoint on this line?
8890 phantom_breakpoint.collides_with_existing_breakpoint = true;
8891 breakpoint_rows
8892 .entry(phantom_breakpoint.display_row)
8893 .or_insert_with(|| {
8894 let position = snapshot.display_point_to_anchor(
8895 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8896 Bias::Right,
8897 );
8898 let breakpoint = Breakpoint::new_standard();
8899 phantom_breakpoint.collides_with_existing_breakpoint = false;
8900 (position, breakpoint, None)
8901 });
8902 }
8903 });
8904
8905 let mut expand_toggles =
8906 window.with_element_namespace("expand_toggles", |window| {
8907 self.layout_expand_toggles(
8908 &gutter_hitbox,
8909 gutter_dimensions,
8910 em_width,
8911 line_height,
8912 scroll_position,
8913 &row_infos,
8914 window,
8915 cx,
8916 )
8917 });
8918
8919 let mut crease_toggles =
8920 window.with_element_namespace("crease_toggles", |window| {
8921 self.layout_crease_toggles(
8922 start_row..end_row,
8923 &row_infos,
8924 &active_rows,
8925 &snapshot,
8926 window,
8927 cx,
8928 )
8929 });
8930 let crease_trailers =
8931 window.with_element_namespace("crease_trailers", |window| {
8932 self.layout_crease_trailers(
8933 row_infos.iter().copied(),
8934 &snapshot,
8935 window,
8936 cx,
8937 )
8938 });
8939
8940 let display_hunks = self.layout_gutter_diff_hunks(
8941 line_height,
8942 &gutter_hitbox,
8943 start_row..end_row,
8944 &snapshot,
8945 window,
8946 cx,
8947 );
8948
8949 let merged_highlighted_ranges =
8950 if let Some((_, colors)) = document_colors.as_ref() {
8951 &highlighted_ranges
8952 .clone()
8953 .into_iter()
8954 .chain(colors.clone())
8955 .collect()
8956 } else {
8957 &highlighted_ranges
8958 };
8959 let bg_segments_per_row = Self::bg_segments_per_row(
8960 start_row..end_row,
8961 &selections,
8962 &merged_highlighted_ranges,
8963 self.style.background,
8964 );
8965
8966 let mut line_layouts = Self::layout_lines(
8967 start_row..end_row,
8968 &snapshot,
8969 &self.style,
8970 editor_width,
8971 is_row_soft_wrapped,
8972 &bg_segments_per_row,
8973 window,
8974 cx,
8975 );
8976 let new_renderer_widths = (!is_minimap).then(|| {
8977 line_layouts
8978 .iter()
8979 .flat_map(|layout| &layout.fragments)
8980 .filter_map(|fragment| {
8981 if let LineFragment::Element { id, size, .. } = fragment {
8982 Some((*id, size.width))
8983 } else {
8984 None
8985 }
8986 })
8987 });
8988 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8989 self.editor.update(cx, |editor, cx| {
8990 editor.update_renderer_widths(new_renderer_widths, cx)
8991 })
8992 }) {
8993 // If the fold widths have changed, we need to prepaint
8994 // the element again to account for any changes in
8995 // wrapping.
8996 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8997 }
8998
8999 let longest_line_blame_width = self
9000 .editor
9001 .update(cx, |editor, cx| {
9002 if !editor.show_git_blame_inline {
9003 return None;
9004 }
9005 let blame = editor.blame.as_ref()?;
9006 let (_, blame_entry) = blame
9007 .update(cx, |blame, cx| {
9008 let row_infos =
9009 snapshot.row_infos(snapshot.longest_row()).next()?;
9010 blame.blame_for_rows(&[row_infos], cx).next()
9011 })
9012 .flatten()?;
9013 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9014 let inline_blame_padding =
9015 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9016 * em_advance;
9017 Some(
9018 element
9019 .layout_as_root(AvailableSpace::min_size(), window, cx)
9020 .width
9021 + inline_blame_padding,
9022 )
9023 })
9024 .unwrap_or(Pixels::ZERO);
9025
9026 let longest_line_width = layout_line(
9027 snapshot.longest_row(),
9028 &snapshot,
9029 style,
9030 editor_width,
9031 is_row_soft_wrapped,
9032 window,
9033 cx,
9034 )
9035 .width;
9036
9037 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9038 text_hitbox.bounds,
9039 glyph_grid_cell,
9040 size(
9041 longest_line_width,
9042 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9043 ),
9044 longest_line_blame_width,
9045 EditorSettings::get_global(cx),
9046 );
9047
9048 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9049
9050 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9051 snapshot.sticky_header_excerpt(scroll_position.y)
9052 } else {
9053 None
9054 };
9055 let sticky_header_excerpt_id =
9056 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9057
9058 let blocks = (!is_minimap)
9059 .then(|| {
9060 window.with_element_namespace("blocks", |window| {
9061 self.render_blocks(
9062 start_row..end_row,
9063 &snapshot,
9064 &hitbox,
9065 &text_hitbox,
9066 editor_width,
9067 &mut scroll_width,
9068 &editor_margins,
9069 em_width,
9070 gutter_dimensions.full_width(),
9071 line_height,
9072 &mut line_layouts,
9073 &local_selections,
9074 &selected_buffer_ids,
9075 is_row_soft_wrapped,
9076 sticky_header_excerpt_id,
9077 window,
9078 cx,
9079 )
9080 })
9081 })
9082 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9083 let (mut blocks, row_block_types) = match blocks {
9084 Ok(blocks) => blocks,
9085 Err(resized_blocks) => {
9086 self.editor.update(cx, |editor, cx| {
9087 editor.resize_blocks(
9088 resized_blocks,
9089 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9090 cx,
9091 )
9092 });
9093 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9094 }
9095 };
9096
9097 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9098 window.with_element_namespace("blocks", |window| {
9099 self.layout_sticky_buffer_header(
9100 sticky_header_excerpt,
9101 scroll_position,
9102 line_height,
9103 right_margin,
9104 &snapshot,
9105 &hitbox,
9106 &selected_buffer_ids,
9107 &blocks,
9108 window,
9109 cx,
9110 )
9111 })
9112 });
9113
9114 let start_buffer_row =
9115 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9116 let end_buffer_row =
9117 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9118
9119 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9120 ScrollPixelOffset::from(
9121 ((scroll_width - editor_width) / em_advance).max(0.0),
9122 ),
9123 max_scroll_top,
9124 );
9125
9126 self.editor.update(cx, |editor, cx| {
9127 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9128 scroll_position.x = scroll_position.x.min(scroll_max.x);
9129 }
9130
9131 if needs_horizontal_autoscroll.0
9132 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9133 start_row,
9134 editor_width,
9135 scroll_width,
9136 em_advance,
9137 &line_layouts,
9138 autoscroll_request,
9139 window,
9140 cx,
9141 )
9142 {
9143 scroll_position = new_scroll_position;
9144 }
9145 });
9146
9147 let scroll_pixel_position = point(
9148 scroll_position.x * f64::from(em_advance),
9149 scroll_position.y * f64::from(line_height),
9150 );
9151 let indent_guides = self.layout_indent_guides(
9152 content_origin,
9153 text_hitbox.origin,
9154 start_buffer_row..end_buffer_row,
9155 scroll_pixel_position,
9156 line_height,
9157 &snapshot,
9158 window,
9159 cx,
9160 );
9161
9162 let crease_trailers =
9163 window.with_element_namespace("crease_trailers", |window| {
9164 self.prepaint_crease_trailers(
9165 crease_trailers,
9166 &line_layouts,
9167 line_height,
9168 content_origin,
9169 scroll_pixel_position,
9170 em_width,
9171 window,
9172 cx,
9173 )
9174 });
9175
9176 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9177 .editor
9178 .update(cx, |editor, cx| {
9179 editor.render_edit_prediction_popover(
9180 &text_hitbox.bounds,
9181 content_origin,
9182 right_margin,
9183 &snapshot,
9184 start_row..end_row,
9185 scroll_position.y,
9186 scroll_position.y + height_in_lines,
9187 &line_layouts,
9188 line_height,
9189 scroll_position,
9190 scroll_pixel_position,
9191 newest_selection_head,
9192 editor_width,
9193 style,
9194 window,
9195 cx,
9196 )
9197 })
9198 .unzip();
9199
9200 let mut inline_diagnostics = self.layout_inline_diagnostics(
9201 &line_layouts,
9202 &crease_trailers,
9203 &row_block_types,
9204 content_origin,
9205 scroll_position,
9206 scroll_pixel_position,
9207 edit_prediction_popover_origin,
9208 start_row,
9209 end_row,
9210 line_height,
9211 em_width,
9212 style,
9213 window,
9214 cx,
9215 );
9216
9217 let mut inline_blame_layout = None;
9218 let mut inline_code_actions = None;
9219 if let Some(newest_selection_head) = newest_selection_head {
9220 let display_row = newest_selection_head.row();
9221 if (start_row..end_row).contains(&display_row)
9222 && !row_block_types.contains_key(&display_row)
9223 {
9224 inline_code_actions = self.layout_inline_code_actions(
9225 newest_selection_head,
9226 content_origin,
9227 scroll_position,
9228 scroll_pixel_position,
9229 line_height,
9230 &snapshot,
9231 window,
9232 cx,
9233 );
9234
9235 let line_ix = display_row.minus(start_row) as usize;
9236 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9237 row_infos.get(line_ix),
9238 line_layouts.get(line_ix),
9239 crease_trailers.get(line_ix),
9240 ) {
9241 let crease_trailer_layout = crease_trailer.as_ref();
9242 if let Some(layout) = self.layout_inline_blame(
9243 display_row,
9244 row_info,
9245 line_layout,
9246 crease_trailer_layout,
9247 em_width,
9248 content_origin,
9249 scroll_position,
9250 scroll_pixel_position,
9251 line_height,
9252 &text_hitbox,
9253 window,
9254 cx,
9255 ) {
9256 inline_blame_layout = Some(layout);
9257 // Blame overrides inline diagnostics
9258 inline_diagnostics.remove(&display_row);
9259 }
9260 } else {
9261 log::error!(
9262 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9263 line_layouts.len(): {}, \
9264 crease_trailers.len(): {}",
9265 line_ix,
9266 row_infos.len(),
9267 line_layouts.len(),
9268 crease_trailers.len(),
9269 );
9270 }
9271 }
9272 }
9273
9274 let blamed_display_rows = self.layout_blame_entries(
9275 &row_infos,
9276 em_width,
9277 scroll_position,
9278 line_height,
9279 &gutter_hitbox,
9280 gutter_dimensions.git_blame_entries_width,
9281 window,
9282 cx,
9283 );
9284
9285 let line_elements = self.prepaint_lines(
9286 start_row,
9287 &mut line_layouts,
9288 line_height,
9289 scroll_position,
9290 scroll_pixel_position,
9291 content_origin,
9292 window,
9293 cx,
9294 );
9295
9296 window.with_element_namespace("blocks", |window| {
9297 self.layout_blocks(
9298 &mut blocks,
9299 &hitbox,
9300 line_height,
9301 scroll_position,
9302 scroll_pixel_position,
9303 window,
9304 cx,
9305 );
9306 });
9307
9308 let cursors = self.collect_cursors(&snapshot, cx);
9309 let visible_row_range = start_row..end_row;
9310 let non_visible_cursors = cursors
9311 .iter()
9312 .any(|c| !visible_row_range.contains(&c.0.row()));
9313
9314 let visible_cursors = self.layout_visible_cursors(
9315 &snapshot,
9316 &selections,
9317 &row_block_types,
9318 start_row..end_row,
9319 &line_layouts,
9320 &text_hitbox,
9321 content_origin,
9322 scroll_position,
9323 scroll_pixel_position,
9324 line_height,
9325 em_width,
9326 em_advance,
9327 autoscroll_containing_element,
9328 window,
9329 cx,
9330 );
9331
9332 let scrollbars_layout = self.layout_scrollbars(
9333 &snapshot,
9334 &scrollbar_layout_information,
9335 content_offset,
9336 scroll_position,
9337 non_visible_cursors,
9338 right_margin,
9339 editor_width,
9340 window,
9341 cx,
9342 );
9343
9344 let gutter_settings = EditorSettings::get_global(cx).gutter;
9345
9346 let context_menu_layout =
9347 if let Some(newest_selection_head) = newest_selection_head {
9348 let newest_selection_point =
9349 newest_selection_head.to_point(&snapshot.display_snapshot);
9350 if (start_row..end_row).contains(&newest_selection_head.row()) {
9351 self.layout_cursor_popovers(
9352 line_height,
9353 &text_hitbox,
9354 content_origin,
9355 right_margin,
9356 start_row,
9357 scroll_pixel_position,
9358 &line_layouts,
9359 newest_selection_head,
9360 newest_selection_point,
9361 style,
9362 window,
9363 cx,
9364 )
9365 } else {
9366 None
9367 }
9368 } else {
9369 None
9370 };
9371
9372 self.layout_gutter_menu(
9373 line_height,
9374 &text_hitbox,
9375 content_origin,
9376 right_margin,
9377 scroll_pixel_position,
9378 gutter_dimensions.width - gutter_dimensions.left_padding,
9379 window,
9380 cx,
9381 );
9382
9383 let test_indicators = if gutter_settings.runnables {
9384 self.layout_run_indicators(
9385 line_height,
9386 start_row..end_row,
9387 &row_infos,
9388 scroll_position,
9389 &gutter_dimensions,
9390 &gutter_hitbox,
9391 &display_hunks,
9392 &snapshot,
9393 &mut breakpoint_rows,
9394 window,
9395 cx,
9396 )
9397 } else {
9398 Vec::new()
9399 };
9400
9401 let show_breakpoints = snapshot
9402 .show_breakpoints
9403 .unwrap_or(gutter_settings.breakpoints);
9404 let breakpoints = if show_breakpoints {
9405 self.layout_breakpoints(
9406 line_height,
9407 start_row..end_row,
9408 scroll_position,
9409 &gutter_dimensions,
9410 &gutter_hitbox,
9411 &display_hunks,
9412 &snapshot,
9413 breakpoint_rows,
9414 &row_infos,
9415 window,
9416 cx,
9417 )
9418 } else {
9419 Vec::new()
9420 };
9421
9422 self.layout_signature_help(
9423 &hitbox,
9424 content_origin,
9425 scroll_pixel_position,
9426 newest_selection_head,
9427 start_row,
9428 &line_layouts,
9429 line_height,
9430 em_width,
9431 context_menu_layout,
9432 window,
9433 cx,
9434 );
9435
9436 if !cx.has_active_drag() {
9437 self.layout_hover_popovers(
9438 &snapshot,
9439 &hitbox,
9440 start_row..end_row,
9441 content_origin,
9442 scroll_pixel_position,
9443 &line_layouts,
9444 line_height,
9445 em_width,
9446 context_menu_layout,
9447 window,
9448 cx,
9449 );
9450 }
9451
9452 let mouse_context_menu = self.layout_mouse_context_menu(
9453 &snapshot,
9454 start_row..end_row,
9455 content_origin,
9456 window,
9457 cx,
9458 );
9459
9460 window.with_element_namespace("crease_toggles", |window| {
9461 self.prepaint_crease_toggles(
9462 &mut crease_toggles,
9463 line_height,
9464 &gutter_dimensions,
9465 gutter_settings,
9466 scroll_pixel_position,
9467 &gutter_hitbox,
9468 window,
9469 cx,
9470 )
9471 });
9472
9473 window.with_element_namespace("expand_toggles", |window| {
9474 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9475 });
9476
9477 let wrap_guides = self.layout_wrap_guides(
9478 em_advance,
9479 scroll_position,
9480 content_origin,
9481 scrollbars_layout.as_ref(),
9482 vertical_scrollbar_width,
9483 &hitbox,
9484 window,
9485 cx,
9486 );
9487
9488 let minimap = window.with_element_namespace("minimap", |window| {
9489 self.layout_minimap(
9490 &snapshot,
9491 minimap_width,
9492 scroll_position,
9493 &scrollbar_layout_information,
9494 scrollbars_layout.as_ref(),
9495 window,
9496 cx,
9497 )
9498 });
9499
9500 let invisible_symbol_font_size = font_size / 2.;
9501 let whitespace_map = &self
9502 .editor
9503 .read(cx)
9504 .buffer
9505 .read(cx)
9506 .language_settings(cx)
9507 .whitespace_map;
9508
9509 let tab_char = whitespace_map.tab.clone();
9510 let tab_len = tab_char.len();
9511 let tab_invisible = window.text_system().shape_line(
9512 tab_char,
9513 invisible_symbol_font_size,
9514 &[TextRun {
9515 len: tab_len,
9516 font: self.style.text.font(),
9517 color: cx.theme().colors().editor_invisible,
9518 background_color: None,
9519 underline: None,
9520 strikethrough: None,
9521 }],
9522 None,
9523 );
9524
9525 let space_char = whitespace_map.space.clone();
9526 let space_len = space_char.len();
9527 let space_invisible = window.text_system().shape_line(
9528 space_char,
9529 invisible_symbol_font_size,
9530 &[TextRun {
9531 len: space_len,
9532 font: self.style.text.font(),
9533 color: cx.theme().colors().editor_invisible,
9534 background_color: None,
9535 underline: None,
9536 strikethrough: None,
9537 }],
9538 None,
9539 );
9540
9541 let mode = snapshot.mode.clone();
9542
9543 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9544 (vec![], vec![])
9545 } else {
9546 self.layout_diff_hunk_controls(
9547 start_row..end_row,
9548 &row_infos,
9549 &text_hitbox,
9550 newest_selection_head,
9551 line_height,
9552 right_margin,
9553 scroll_pixel_position,
9554 &display_hunks,
9555 &highlighted_rows,
9556 self.editor.clone(),
9557 window,
9558 cx,
9559 )
9560 };
9561
9562 let position_map = Rc::new(PositionMap {
9563 size: bounds.size,
9564 visible_row_range,
9565 scroll_position,
9566 scroll_pixel_position,
9567 scroll_max,
9568 line_layouts,
9569 line_height,
9570 em_width,
9571 em_advance,
9572 snapshot,
9573 gutter_hitbox: gutter_hitbox.clone(),
9574 text_hitbox: text_hitbox.clone(),
9575 inline_blame_bounds: inline_blame_layout
9576 .as_ref()
9577 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9578 display_hunks: display_hunks.clone(),
9579 diff_hunk_control_bounds,
9580 });
9581
9582 self.editor.update(cx, |editor, _| {
9583 editor.last_position_map = Some(position_map.clone())
9584 });
9585
9586 EditorLayout {
9587 mode,
9588 position_map,
9589 visible_display_row_range: start_row..end_row,
9590 wrap_guides,
9591 indent_guides,
9592 hitbox,
9593 gutter_hitbox,
9594 display_hunks,
9595 content_origin,
9596 scrollbars_layout,
9597 minimap,
9598 active_rows,
9599 highlighted_rows,
9600 highlighted_ranges,
9601 highlighted_gutter_ranges,
9602 redacted_ranges,
9603 document_colors,
9604 line_elements,
9605 line_numbers,
9606 blamed_display_rows,
9607 inline_diagnostics,
9608 inline_blame_layout,
9609 inline_code_actions,
9610 blocks,
9611 cursors,
9612 visible_cursors,
9613 selections,
9614 edit_prediction_popover,
9615 diff_hunk_controls,
9616 mouse_context_menu,
9617 test_indicators,
9618 breakpoints,
9619 crease_toggles,
9620 crease_trailers,
9621 tab_invisible,
9622 space_invisible,
9623 sticky_buffer_header,
9624 expand_toggles,
9625 }
9626 })
9627 })
9628 })
9629 }
9630
9631 fn paint(
9632 &mut self,
9633 _: Option<&GlobalElementId>,
9634 _inspector_id: Option<&gpui::InspectorElementId>,
9635 bounds: Bounds<gpui::Pixels>,
9636 _: &mut Self::RequestLayoutState,
9637 layout: &mut Self::PrepaintState,
9638 window: &mut Window,
9639 cx: &mut App,
9640 ) {
9641 if !layout.mode.is_minimap() {
9642 let focus_handle = self.editor.focus_handle(cx);
9643 let key_context = self
9644 .editor
9645 .update(cx, |editor, cx| editor.key_context(window, cx));
9646
9647 window.set_key_context(key_context);
9648 window.handle_input(
9649 &focus_handle,
9650 ElementInputHandler::new(bounds, self.editor.clone()),
9651 cx,
9652 );
9653 self.register_actions(window, cx);
9654 self.register_key_listeners(window, cx, layout);
9655 }
9656
9657 let text_style = TextStyleRefinement {
9658 font_size: Some(self.style.text.font_size),
9659 line_height: Some(self.style.text.line_height),
9660 ..Default::default()
9661 };
9662 let rem_size = self.rem_size(cx);
9663 window.with_rem_size(rem_size, |window| {
9664 window.with_text_style(Some(text_style), |window| {
9665 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9666 self.paint_mouse_listeners(layout, window, cx);
9667 self.paint_background(layout, window, cx);
9668 self.paint_indent_guides(layout, window, cx);
9669
9670 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9671 self.paint_blamed_display_rows(layout, window, cx);
9672 self.paint_line_numbers(layout, window, cx);
9673 }
9674
9675 self.paint_text(layout, window, cx);
9676
9677 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9678 self.paint_gutter_highlights(layout, window, cx);
9679 self.paint_gutter_indicators(layout, window, cx);
9680 }
9681
9682 if !layout.blocks.is_empty() {
9683 window.with_element_namespace("blocks", |window| {
9684 self.paint_blocks(layout, window, cx);
9685 });
9686 }
9687
9688 window.with_element_namespace("blocks", |window| {
9689 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9690 sticky_header.paint(window, cx)
9691 }
9692 });
9693
9694 self.paint_minimap(layout, window, cx);
9695 self.paint_scrollbars(layout, window, cx);
9696 self.paint_edit_prediction_popover(layout, window, cx);
9697 self.paint_mouse_context_menu(layout, window, cx);
9698 });
9699 })
9700 })
9701 }
9702}
9703
9704pub(super) fn gutter_bounds(
9705 editor_bounds: Bounds<Pixels>,
9706 gutter_dimensions: GutterDimensions,
9707) -> Bounds<Pixels> {
9708 Bounds {
9709 origin: editor_bounds.origin,
9710 size: size(gutter_dimensions.width, editor_bounds.size.height),
9711 }
9712}
9713
9714#[derive(Clone, Copy)]
9715struct ContextMenuLayout {
9716 y_flipped: bool,
9717 bounds: Bounds<Pixels>,
9718}
9719
9720/// Holds information required for layouting the editor scrollbars.
9721struct ScrollbarLayoutInformation {
9722 /// The bounds of the editor area (excluding the content offset).
9723 editor_bounds: Bounds<Pixels>,
9724 /// The available range to scroll within the document.
9725 scroll_range: Size<Pixels>,
9726 /// The space available for one glyph in the editor.
9727 glyph_grid_cell: Size<Pixels>,
9728}
9729
9730impl ScrollbarLayoutInformation {
9731 pub fn new(
9732 editor_bounds: Bounds<Pixels>,
9733 glyph_grid_cell: Size<Pixels>,
9734 document_size: Size<Pixels>,
9735 longest_line_blame_width: Pixels,
9736 settings: &EditorSettings,
9737 ) -> Self {
9738 let vertical_overscroll = match settings.scroll_beyond_last_line {
9739 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9740 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9741 ScrollBeyondLastLine::VerticalScrollMargin => {
9742 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9743 }
9744 };
9745
9746 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9747
9748 ScrollbarLayoutInformation {
9749 editor_bounds,
9750 scroll_range: document_size + overscroll,
9751 glyph_grid_cell,
9752 }
9753 }
9754}
9755
9756impl IntoElement for EditorElement {
9757 type Element = Self;
9758
9759 fn into_element(self) -> Self::Element {
9760 self
9761 }
9762}
9763
9764pub struct EditorLayout {
9765 position_map: Rc<PositionMap>,
9766 hitbox: Hitbox,
9767 gutter_hitbox: Hitbox,
9768 content_origin: gpui::Point<Pixels>,
9769 scrollbars_layout: Option<EditorScrollbars>,
9770 minimap: Option<MinimapLayout>,
9771 mode: EditorMode,
9772 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9773 indent_guides: Option<Vec<IndentGuideLayout>>,
9774 visible_display_row_range: Range<DisplayRow>,
9775 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9776 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9777 line_elements: SmallVec<[AnyElement; 1]>,
9778 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9779 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9780 blamed_display_rows: Option<Vec<AnyElement>>,
9781 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9782 inline_blame_layout: Option<InlineBlameLayout>,
9783 inline_code_actions: Option<AnyElement>,
9784 blocks: Vec<BlockLayout>,
9785 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9786 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9787 redacted_ranges: Vec<Range<DisplayPoint>>,
9788 cursors: Vec<(DisplayPoint, Hsla)>,
9789 visible_cursors: Vec<CursorLayout>,
9790 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9791 test_indicators: Vec<AnyElement>,
9792 breakpoints: Vec<AnyElement>,
9793 crease_toggles: Vec<Option<AnyElement>>,
9794 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9795 diff_hunk_controls: Vec<AnyElement>,
9796 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9797 edit_prediction_popover: Option<AnyElement>,
9798 mouse_context_menu: Option<AnyElement>,
9799 tab_invisible: ShapedLine,
9800 space_invisible: ShapedLine,
9801 sticky_buffer_header: Option<AnyElement>,
9802 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9803}
9804
9805impl EditorLayout {
9806 fn line_end_overshoot(&self) -> Pixels {
9807 0.15 * self.position_map.line_height
9808 }
9809}
9810
9811#[derive(Debug)]
9812struct LineNumberSegment {
9813 shaped_line: ShapedLine,
9814 hitbox: Option<Hitbox>,
9815}
9816
9817#[derive(Debug)]
9818struct LineNumberLayout {
9819 segments: SmallVec<[LineNumberSegment; 1]>,
9820}
9821
9822struct ColoredRange<T> {
9823 start: T,
9824 end: T,
9825 color: Hsla,
9826}
9827
9828impl Along for ScrollbarAxes {
9829 type Unit = bool;
9830
9831 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9832 match axis {
9833 ScrollbarAxis::Horizontal => self.horizontal,
9834 ScrollbarAxis::Vertical => self.vertical,
9835 }
9836 }
9837
9838 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9839 match axis {
9840 ScrollbarAxis::Horizontal => ScrollbarAxes {
9841 horizontal: f(self.horizontal),
9842 vertical: self.vertical,
9843 },
9844 ScrollbarAxis::Vertical => ScrollbarAxes {
9845 horizontal: self.horizontal,
9846 vertical: f(self.vertical),
9847 },
9848 }
9849 }
9850}
9851
9852#[derive(Clone)]
9853struct EditorScrollbars {
9854 pub vertical: Option<ScrollbarLayout>,
9855 pub horizontal: Option<ScrollbarLayout>,
9856 pub visible: bool,
9857}
9858
9859impl EditorScrollbars {
9860 pub fn from_scrollbar_axes(
9861 show_scrollbar: ScrollbarAxes,
9862 layout_information: &ScrollbarLayoutInformation,
9863 content_offset: gpui::Point<Pixels>,
9864 scroll_position: gpui::Point<f64>,
9865 scrollbar_width: Pixels,
9866 right_margin: Pixels,
9867 editor_width: Pixels,
9868 show_scrollbars: bool,
9869 scrollbar_state: Option<&ActiveScrollbarState>,
9870 window: &mut Window,
9871 ) -> Self {
9872 let ScrollbarLayoutInformation {
9873 editor_bounds,
9874 scroll_range,
9875 glyph_grid_cell,
9876 } = layout_information;
9877
9878 let viewport_size = size(editor_width, editor_bounds.size.height);
9879
9880 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9881 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9882 Corner::BottomLeft,
9883 editor_bounds.bottom_left(),
9884 size(
9885 // The horizontal viewport size differs from the space available for the
9886 // horizontal scrollbar, so we have to manually stitch it together here.
9887 editor_bounds.size.width - right_margin,
9888 scrollbar_width,
9889 ),
9890 ),
9891 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9892 Corner::TopRight,
9893 editor_bounds.top_right(),
9894 size(scrollbar_width, viewport_size.height),
9895 ),
9896 };
9897
9898 let mut create_scrollbar_layout = |axis| {
9899 let viewport_size = viewport_size.along(axis);
9900 let scroll_range = scroll_range.along(axis);
9901
9902 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9903 (show_scrollbar.along(axis)
9904 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9905 .then(|| {
9906 ScrollbarLayout::new(
9907 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9908 viewport_size,
9909 scroll_range,
9910 glyph_grid_cell.along(axis),
9911 content_offset.along(axis),
9912 scroll_position.along(axis),
9913 show_scrollbars,
9914 axis,
9915 )
9916 .with_thumb_state(
9917 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9918 )
9919 })
9920 };
9921
9922 Self {
9923 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9924 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9925 visible: show_scrollbars,
9926 }
9927 }
9928
9929 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9930 [
9931 (&self.vertical, ScrollbarAxis::Vertical),
9932 (&self.horizontal, ScrollbarAxis::Horizontal),
9933 ]
9934 .into_iter()
9935 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9936 }
9937
9938 /// Returns the currently hovered scrollbar axis, if any.
9939 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9940 self.iter_scrollbars()
9941 .find(|s| s.0.hitbox.is_hovered(window))
9942 }
9943}
9944
9945#[derive(Clone)]
9946struct ScrollbarLayout {
9947 hitbox: Hitbox,
9948 visible_range: Range<ScrollOffset>,
9949 text_unit_size: Pixels,
9950 thumb_bounds: Option<Bounds<Pixels>>,
9951 thumb_state: ScrollbarThumbState,
9952}
9953
9954impl ScrollbarLayout {
9955 const BORDER_WIDTH: Pixels = px(1.0);
9956 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9957 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9958 const MIN_THUMB_SIZE: Pixels = px(25.0);
9959
9960 fn new(
9961 scrollbar_track_hitbox: Hitbox,
9962 viewport_size: Pixels,
9963 scroll_range: Pixels,
9964 glyph_space: Pixels,
9965 content_offset: Pixels,
9966 scroll_position: ScrollOffset,
9967 show_thumb: bool,
9968 axis: ScrollbarAxis,
9969 ) -> Self {
9970 let track_bounds = scrollbar_track_hitbox.bounds;
9971 // The length of the track available to the scrollbar thumb. We deliberately
9972 // exclude the content size here so that the thumb aligns with the content.
9973 let track_length = track_bounds.size.along(axis) - content_offset;
9974
9975 Self::new_with_hitbox_and_track_length(
9976 scrollbar_track_hitbox,
9977 track_length,
9978 viewport_size,
9979 scroll_range.into(),
9980 glyph_space,
9981 content_offset.into(),
9982 scroll_position,
9983 show_thumb,
9984 axis,
9985 )
9986 }
9987
9988 fn for_minimap(
9989 minimap_track_hitbox: Hitbox,
9990 visible_lines: f64,
9991 total_editor_lines: f64,
9992 minimap_line_height: Pixels,
9993 scroll_position: ScrollOffset,
9994 minimap_scroll_top: ScrollOffset,
9995 show_thumb: bool,
9996 ) -> Self {
9997 // The scrollbar thumb size is calculated as
9998 // (visible_content/total_content) Γ scrollbar_track_length.
9999 //
10000 // For the minimap's thumb layout, we leverage this by setting the
10001 // scrollbar track length to the entire document size (using minimap line
10002 // height). This creates a thumb that exactly represents the editor
10003 // viewport scaled to minimap proportions.
10004 //
10005 // We adjust the thumb position relative to `minimap_scroll_top` to
10006 // accommodate for the deliberately oversized track.
10007 //
10008 // This approach ensures that the minimap thumb accurately reflects the
10009 // editor's current scroll position whilst nicely synchronizing the minimap
10010 // thumb and scrollbar thumb.
10011 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10012 let viewport_size = visible_lines * f64::from(minimap_line_height);
10013
10014 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10015
10016 Self::new_with_hitbox_and_track_length(
10017 minimap_track_hitbox,
10018 Pixels::from(scroll_range),
10019 Pixels::from(viewport_size),
10020 scroll_range,
10021 minimap_line_height,
10022 track_top_offset,
10023 scroll_position,
10024 show_thumb,
10025 ScrollbarAxis::Vertical,
10026 )
10027 }
10028
10029 fn new_with_hitbox_and_track_length(
10030 scrollbar_track_hitbox: Hitbox,
10031 track_length: Pixels,
10032 viewport_size: Pixels,
10033 scroll_range: f64,
10034 glyph_space: Pixels,
10035 content_offset: ScrollOffset,
10036 scroll_position: ScrollOffset,
10037 show_thumb: bool,
10038 axis: ScrollbarAxis,
10039 ) -> Self {
10040 let text_units_per_page = f64::from(viewport_size / glyph_space);
10041 let visible_range = scroll_position..scroll_position + text_units_per_page;
10042 let total_text_units = scroll_range / f64::from(glyph_space);
10043
10044 let thumb_percentage = text_units_per_page / total_text_units;
10045 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10046 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10047 .min(track_length);
10048
10049 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10050
10051 let content_larger_than_viewport = text_unit_divisor > 0.;
10052
10053 let text_unit_size = if content_larger_than_viewport {
10054 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10055 } else {
10056 glyph_space
10057 };
10058
10059 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10060 Self::thumb_bounds(
10061 &scrollbar_track_hitbox,
10062 content_offset,
10063 visible_range.start,
10064 text_unit_size,
10065 thumb_size,
10066 axis,
10067 )
10068 });
10069
10070 ScrollbarLayout {
10071 hitbox: scrollbar_track_hitbox,
10072 visible_range,
10073 text_unit_size,
10074 thumb_bounds,
10075 thumb_state: Default::default(),
10076 }
10077 }
10078
10079 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10080 if let Some(thumb_state) = thumb_state {
10081 Self {
10082 thumb_state,
10083 ..self
10084 }
10085 } else {
10086 self
10087 }
10088 }
10089
10090 fn thumb_bounds(
10091 scrollbar_track: &Hitbox,
10092 content_offset: f64,
10093 visible_range_start: f64,
10094 text_unit_size: Pixels,
10095 thumb_size: Pixels,
10096 axis: ScrollbarAxis,
10097 ) -> Bounds<Pixels> {
10098 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10099 origin
10100 + Pixels::from(
10101 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10102 )
10103 });
10104 Bounds::new(
10105 thumb_origin,
10106 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10107 )
10108 }
10109
10110 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10111 self.thumb_bounds
10112 .is_some_and(|bounds| bounds.contains(position))
10113 }
10114
10115 fn marker_quads_for_ranges(
10116 &self,
10117 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10118 column: Option<usize>,
10119 ) -> Vec<PaintQuad> {
10120 struct MinMax {
10121 min: Pixels,
10122 max: Pixels,
10123 }
10124 let (x_range, height_limit) = if let Some(column) = column {
10125 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10126 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10127 let end = start + column_width;
10128 (
10129 Range { start, end },
10130 MinMax {
10131 min: Self::MIN_MARKER_HEIGHT,
10132 max: px(f32::MAX),
10133 },
10134 )
10135 } else {
10136 (
10137 Range {
10138 start: Self::BORDER_WIDTH,
10139 end: self.hitbox.size.width,
10140 },
10141 MinMax {
10142 min: Self::LINE_MARKER_HEIGHT,
10143 max: Self::LINE_MARKER_HEIGHT,
10144 },
10145 )
10146 };
10147
10148 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10149 let mut pixel_ranges = row_ranges
10150 .into_iter()
10151 .map(|range| {
10152 let start_y = row_to_y(range.start);
10153 let end_y = row_to_y(range.end)
10154 + self
10155 .text_unit_size
10156 .max(height_limit.min)
10157 .min(height_limit.max);
10158 ColoredRange {
10159 start: start_y,
10160 end: end_y,
10161 color: range.color,
10162 }
10163 })
10164 .peekable();
10165
10166 let mut quads = Vec::new();
10167 while let Some(mut pixel_range) = pixel_ranges.next() {
10168 while let Some(next_pixel_range) = pixel_ranges.peek() {
10169 if pixel_range.end >= next_pixel_range.start - px(1.0)
10170 && pixel_range.color == next_pixel_range.color
10171 {
10172 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10173 pixel_ranges.next();
10174 } else {
10175 break;
10176 }
10177 }
10178
10179 let bounds = Bounds::from_corners(
10180 point(x_range.start, pixel_range.start),
10181 point(x_range.end, pixel_range.end),
10182 );
10183 quads.push(quad(
10184 bounds,
10185 Corners::default(),
10186 pixel_range.color,
10187 Edges::default(),
10188 Hsla::transparent_black(),
10189 BorderStyle::default(),
10190 ));
10191 }
10192
10193 quads
10194 }
10195}
10196
10197struct MinimapLayout {
10198 pub minimap: AnyElement,
10199 pub thumb_layout: ScrollbarLayout,
10200 pub minimap_scroll_top: ScrollOffset,
10201 pub minimap_line_height: Pixels,
10202 pub thumb_border_style: MinimapThumbBorder,
10203 pub max_scroll_top: ScrollOffset,
10204}
10205
10206impl MinimapLayout {
10207 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10208 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10209 /// The minimap width as a percentage of the editor width.
10210 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10211 /// Calculates the scroll top offset the minimap editor has to have based on the
10212 /// current scroll progress.
10213 fn calculate_minimap_top_offset(
10214 document_lines: f64,
10215 visible_editor_lines: f64,
10216 visible_minimap_lines: f64,
10217 scroll_position: f64,
10218 ) -> ScrollOffset {
10219 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10220 if non_visible_document_lines == 0. {
10221 0.
10222 } else {
10223 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10224 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10225 }
10226 }
10227}
10228
10229struct CreaseTrailerLayout {
10230 element: AnyElement,
10231 bounds: Bounds<Pixels>,
10232}
10233
10234pub(crate) struct PositionMap {
10235 pub size: Size<Pixels>,
10236 pub line_height: Pixels,
10237 pub scroll_position: gpui::Point<ScrollOffset>,
10238 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10239 pub scroll_max: gpui::Point<ScrollOffset>,
10240 pub em_width: Pixels,
10241 pub em_advance: Pixels,
10242 pub visible_row_range: Range<DisplayRow>,
10243 pub line_layouts: Vec<LineWithInvisibles>,
10244 pub snapshot: EditorSnapshot,
10245 pub text_hitbox: Hitbox,
10246 pub gutter_hitbox: Hitbox,
10247 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10248 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10249 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10250}
10251
10252#[derive(Debug, Copy, Clone)]
10253pub struct PointForPosition {
10254 pub previous_valid: DisplayPoint,
10255 pub next_valid: DisplayPoint,
10256 pub exact_unclipped: DisplayPoint,
10257 pub column_overshoot_after_line_end: u32,
10258}
10259
10260impl PointForPosition {
10261 pub fn as_valid(&self) -> Option<DisplayPoint> {
10262 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10263 Some(self.previous_valid)
10264 } else {
10265 None
10266 }
10267 }
10268
10269 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10270 let Some(valid_point) = self.as_valid() else {
10271 return false;
10272 };
10273 let range = selection.range();
10274
10275 let candidate_row = valid_point.row();
10276 let candidate_col = valid_point.column();
10277
10278 let start_row = range.start.row();
10279 let start_col = range.start.column();
10280 let end_row = range.end.row();
10281 let end_col = range.end.column();
10282
10283 if candidate_row < start_row || candidate_row > end_row {
10284 false
10285 } else if start_row == end_row {
10286 candidate_col >= start_col && candidate_col < end_col
10287 } else if candidate_row == start_row {
10288 candidate_col >= start_col
10289 } else if candidate_row == end_row {
10290 candidate_col < end_col
10291 } else {
10292 true
10293 }
10294 }
10295}
10296
10297impl PositionMap {
10298 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10299 let text_bounds = self.text_hitbox.bounds;
10300 let scroll_position = self.snapshot.scroll_position();
10301 let position = position - text_bounds.origin;
10302 let y = position.y.max(px(0.)).min(self.size.height);
10303 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10304 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10305
10306 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10307 .line_layouts
10308 .get(row as usize - scroll_position.y as usize)
10309 {
10310 if let Some(ix) = line.index_for_x(x) {
10311 (ix as u32, px(0.))
10312 } else {
10313 (line.len as u32, px(0.).max(x - line.width))
10314 }
10315 } else {
10316 (0, x)
10317 };
10318
10319 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10320 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10321 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10322
10323 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10324 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10325 PointForPosition {
10326 previous_valid,
10327 next_valid,
10328 exact_unclipped,
10329 column_overshoot_after_line_end,
10330 }
10331 }
10332}
10333
10334struct BlockLayout {
10335 id: BlockId,
10336 x_offset: Pixels,
10337 row: Option<DisplayRow>,
10338 element: AnyElement,
10339 available_space: Size<AvailableSpace>,
10340 style: BlockStyle,
10341 overlaps_gutter: bool,
10342 is_buffer_header: bool,
10343}
10344
10345pub fn layout_line(
10346 row: DisplayRow,
10347 snapshot: &EditorSnapshot,
10348 style: &EditorStyle,
10349 text_width: Pixels,
10350 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10351 window: &mut Window,
10352 cx: &mut App,
10353) -> LineWithInvisibles {
10354 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10355 LineWithInvisibles::from_chunks(
10356 chunks,
10357 style,
10358 MAX_LINE_LEN,
10359 1,
10360 &snapshot.mode,
10361 text_width,
10362 is_row_soft_wrapped,
10363 &[],
10364 window,
10365 cx,
10366 )
10367 .pop()
10368 .unwrap()
10369}
10370
10371#[derive(Debug)]
10372pub struct IndentGuideLayout {
10373 origin: gpui::Point<Pixels>,
10374 length: Pixels,
10375 single_indent_width: Pixels,
10376 depth: u32,
10377 active: bool,
10378 settings: IndentGuideSettings,
10379}
10380
10381pub struct CursorLayout {
10382 origin: gpui::Point<Pixels>,
10383 block_width: Pixels,
10384 line_height: Pixels,
10385 color: Hsla,
10386 shape: CursorShape,
10387 block_text: Option<ShapedLine>,
10388 cursor_name: Option<AnyElement>,
10389}
10390
10391#[derive(Debug)]
10392pub struct CursorName {
10393 string: SharedString,
10394 color: Hsla,
10395 is_top_row: bool,
10396}
10397
10398impl CursorLayout {
10399 pub fn new(
10400 origin: gpui::Point<Pixels>,
10401 block_width: Pixels,
10402 line_height: Pixels,
10403 color: Hsla,
10404 shape: CursorShape,
10405 block_text: Option<ShapedLine>,
10406 ) -> CursorLayout {
10407 CursorLayout {
10408 origin,
10409 block_width,
10410 line_height,
10411 color,
10412 shape,
10413 block_text,
10414 cursor_name: None,
10415 }
10416 }
10417
10418 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10419 Bounds {
10420 origin: self.origin + origin,
10421 size: size(self.block_width, self.line_height),
10422 }
10423 }
10424
10425 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10426 match self.shape {
10427 CursorShape::Bar => Bounds {
10428 origin: self.origin + origin,
10429 size: size(px(2.0), self.line_height),
10430 },
10431 CursorShape::Block | CursorShape::Hollow => Bounds {
10432 origin: self.origin + origin,
10433 size: size(self.block_width, self.line_height),
10434 },
10435 CursorShape::Underline => Bounds {
10436 origin: self.origin
10437 + origin
10438 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10439 size: size(self.block_width, px(2.0)),
10440 },
10441 }
10442 }
10443
10444 pub fn layout(
10445 &mut self,
10446 origin: gpui::Point<Pixels>,
10447 cursor_name: Option<CursorName>,
10448 window: &mut Window,
10449 cx: &mut App,
10450 ) {
10451 if let Some(cursor_name) = cursor_name {
10452 let bounds = self.bounds(origin);
10453 let text_size = self.line_height / 1.5;
10454
10455 let name_origin = if cursor_name.is_top_row {
10456 point(bounds.right() - px(1.), bounds.top())
10457 } else {
10458 match self.shape {
10459 CursorShape::Bar => point(
10460 bounds.right() - px(2.),
10461 bounds.top() - text_size / 2. - px(1.),
10462 ),
10463 _ => point(
10464 bounds.right() - px(1.),
10465 bounds.top() - text_size / 2. - px(1.),
10466 ),
10467 }
10468 };
10469 let mut name_element = div()
10470 .bg(self.color)
10471 .text_size(text_size)
10472 .px_0p5()
10473 .line_height(text_size + px(2.))
10474 .text_color(cursor_name.color)
10475 .child(cursor_name.string)
10476 .into_any_element();
10477
10478 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10479
10480 self.cursor_name = Some(name_element);
10481 }
10482 }
10483
10484 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10485 let bounds = self.bounds(origin);
10486
10487 //Draw background or border quad
10488 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10489 outline(bounds, self.color, BorderStyle::Solid)
10490 } else {
10491 fill(bounds, self.color)
10492 };
10493
10494 if let Some(name) = &mut self.cursor_name {
10495 name.paint(window, cx);
10496 }
10497
10498 window.paint_quad(cursor);
10499
10500 if let Some(block_text) = &self.block_text {
10501 block_text
10502 .paint(self.origin + origin, self.line_height, window, cx)
10503 .log_err();
10504 }
10505 }
10506
10507 pub fn shape(&self) -> CursorShape {
10508 self.shape
10509 }
10510}
10511
10512#[derive(Debug)]
10513pub struct HighlightedRange {
10514 pub start_y: Pixels,
10515 pub line_height: Pixels,
10516 pub lines: Vec<HighlightedRangeLine>,
10517 pub color: Hsla,
10518 pub corner_radius: Pixels,
10519}
10520
10521#[derive(Debug)]
10522pub struct HighlightedRangeLine {
10523 pub start_x: Pixels,
10524 pub end_x: Pixels,
10525}
10526
10527impl HighlightedRange {
10528 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10529 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10530 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10531 self.paint_lines(
10532 self.start_y + self.line_height,
10533 &self.lines[1..],
10534 fill,
10535 bounds,
10536 window,
10537 );
10538 } else {
10539 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10540 }
10541 }
10542
10543 fn paint_lines(
10544 &self,
10545 start_y: Pixels,
10546 lines: &[HighlightedRangeLine],
10547 fill: bool,
10548 _bounds: Bounds<Pixels>,
10549 window: &mut Window,
10550 ) {
10551 if lines.is_empty() {
10552 return;
10553 }
10554
10555 let first_line = lines.first().unwrap();
10556 let last_line = lines.last().unwrap();
10557
10558 let first_top_left = point(first_line.start_x, start_y);
10559 let first_top_right = point(first_line.end_x, start_y);
10560
10561 let curve_height = point(Pixels::ZERO, self.corner_radius);
10562 let curve_width = |start_x: Pixels, end_x: Pixels| {
10563 let max = (end_x - start_x) / 2.;
10564 let width = if max < self.corner_radius {
10565 max
10566 } else {
10567 self.corner_radius
10568 };
10569
10570 point(width, Pixels::ZERO)
10571 };
10572
10573 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10574 let mut builder = if fill {
10575 gpui::PathBuilder::fill()
10576 } else {
10577 gpui::PathBuilder::stroke(px(1.))
10578 };
10579 builder.move_to(first_top_right - top_curve_width);
10580 builder.curve_to(first_top_right + curve_height, first_top_right);
10581
10582 let mut iter = lines.iter().enumerate().peekable();
10583 while let Some((ix, line)) = iter.next() {
10584 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10585
10586 if let Some((_, next_line)) = iter.peek() {
10587 let next_top_right = point(next_line.end_x, bottom_right.y);
10588
10589 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10590 Ordering::Equal => {
10591 builder.line_to(bottom_right);
10592 }
10593 Ordering::Less => {
10594 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10595 builder.line_to(bottom_right - curve_height);
10596 if self.corner_radius > Pixels::ZERO {
10597 builder.curve_to(bottom_right - curve_width, bottom_right);
10598 }
10599 builder.line_to(next_top_right + curve_width);
10600 if self.corner_radius > Pixels::ZERO {
10601 builder.curve_to(next_top_right + curve_height, next_top_right);
10602 }
10603 }
10604 Ordering::Greater => {
10605 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10606 builder.line_to(bottom_right - curve_height);
10607 if self.corner_radius > Pixels::ZERO {
10608 builder.curve_to(bottom_right + curve_width, bottom_right);
10609 }
10610 builder.line_to(next_top_right - curve_width);
10611 if self.corner_radius > Pixels::ZERO {
10612 builder.curve_to(next_top_right + curve_height, next_top_right);
10613 }
10614 }
10615 }
10616 } else {
10617 let curve_width = curve_width(line.start_x, line.end_x);
10618 builder.line_to(bottom_right - curve_height);
10619 if self.corner_radius > Pixels::ZERO {
10620 builder.curve_to(bottom_right - curve_width, bottom_right);
10621 }
10622
10623 let bottom_left = point(line.start_x, bottom_right.y);
10624 builder.line_to(bottom_left + curve_width);
10625 if self.corner_radius > Pixels::ZERO {
10626 builder.curve_to(bottom_left - curve_height, bottom_left);
10627 }
10628 }
10629 }
10630
10631 if first_line.start_x > last_line.start_x {
10632 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10633 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10634 builder.line_to(second_top_left + curve_height);
10635 if self.corner_radius > Pixels::ZERO {
10636 builder.curve_to(second_top_left + curve_width, second_top_left);
10637 }
10638 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10639 builder.line_to(first_bottom_left - curve_width);
10640 if self.corner_radius > Pixels::ZERO {
10641 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10642 }
10643 }
10644
10645 builder.line_to(first_top_left + curve_height);
10646 if self.corner_radius > Pixels::ZERO {
10647 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10648 }
10649 builder.line_to(first_top_right - top_curve_width);
10650
10651 if let Ok(path) = builder.build() {
10652 window.paint_path(path, self.color);
10653 }
10654 }
10655}
10656
10657enum CursorPopoverType {
10658 CodeContextMenu,
10659 EditPrediction,
10660}
10661
10662pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10663 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10664}
10665
10666fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10667 (delta.pow(1.2) / 300.0).into()
10668}
10669
10670pub fn register_action<T: Action>(
10671 editor: &Entity<Editor>,
10672 window: &mut Window,
10673 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10674) {
10675 let editor = editor.clone();
10676 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10677 let action = action.downcast_ref().unwrap();
10678 if phase == DispatchPhase::Bubble {
10679 editor.update(cx, |editor, cx| {
10680 listener(editor, action, window, cx);
10681 })
10682 }
10683 })
10684}
10685
10686fn compute_auto_height_layout(
10687 editor: &mut Editor,
10688 min_lines: usize,
10689 max_lines: Option<usize>,
10690 max_line_number_width: Pixels,
10691 known_dimensions: Size<Option<Pixels>>,
10692 available_width: AvailableSpace,
10693 window: &mut Window,
10694 cx: &mut Context<Editor>,
10695) -> Option<Size<Pixels>> {
10696 let width = known_dimensions.width.or({
10697 if let AvailableSpace::Definite(available_width) = available_width {
10698 Some(available_width)
10699 } else {
10700 None
10701 }
10702 })?;
10703 if let Some(height) = known_dimensions.height {
10704 return Some(size(width, height));
10705 }
10706
10707 let style = editor.style.as_ref().unwrap();
10708 let font_id = window.text_system().resolve_font(&style.text.font());
10709 let font_size = style.text.font_size.to_pixels(window.rem_size());
10710 let line_height = style.text.line_height_in_pixels(window.rem_size());
10711 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10712
10713 let mut snapshot = editor.snapshot(window, cx);
10714 let gutter_dimensions = snapshot
10715 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10716 .or_else(|| {
10717 editor
10718 .offset_content
10719 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10720 })
10721 .unwrap_or_default();
10722
10723 editor.gutter_dimensions = gutter_dimensions;
10724 let text_width = width - gutter_dimensions.width;
10725 let overscroll = size(em_width, px(0.));
10726
10727 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10728 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10729 && editor.set_wrap_width(Some(editor_width), cx)
10730 {
10731 snapshot = editor.snapshot(window, cx);
10732 }
10733
10734 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10735
10736 let min_height = line_height * min_lines as f32;
10737 let content_height = scroll_height.max(min_height);
10738
10739 let final_height = if let Some(max_lines) = max_lines {
10740 let max_height = line_height * max_lines as f32;
10741 content_height.min(max_height)
10742 } else {
10743 content_height
10744 };
10745
10746 Some(size(width, final_height))
10747}
10748
10749#[cfg(test)]
10750mod tests {
10751 use super::*;
10752 use crate::{
10753 Editor, MultiBuffer, SelectionEffects,
10754 display_map::{BlockPlacement, BlockProperties},
10755 editor_tests::{init_test, update_test_language_settings},
10756 };
10757 use gpui::{TestAppContext, VisualTestContext};
10758 use language::language_settings;
10759 use log::info;
10760 use std::num::NonZeroU32;
10761 use util::test::sample_text;
10762
10763 #[gpui::test]
10764 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10765 init_test(cx, |_| {});
10766
10767 let window = cx.add_window(|window, cx| {
10768 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10769 let mut editor = Editor::new(
10770 EditorMode::AutoHeight {
10771 min_lines: 1,
10772 max_lines: None,
10773 },
10774 buffer,
10775 None,
10776 window,
10777 cx,
10778 );
10779 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10780 editor
10781 });
10782 let cx = &mut VisualTestContext::from_window(*window, cx);
10783 let editor = window.root(cx).unwrap();
10784 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10785
10786 for x in 1..=100 {
10787 let (_, state) = cx.draw(
10788 Default::default(),
10789 size(px(200. + 0.13 * x as f32), px(500.)),
10790 |_, _| EditorElement::new(&editor, style.clone()),
10791 );
10792
10793 assert!(
10794 state.position_map.scroll_max.x == 0.,
10795 "Soft wrapped editor should have no horizontal scrolling!"
10796 );
10797 }
10798 }
10799
10800 #[gpui::test]
10801 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10802 init_test(cx, |_| {});
10803
10804 let window = cx.add_window(|window, cx| {
10805 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10806 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10807 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10808 editor
10809 });
10810 let cx = &mut VisualTestContext::from_window(*window, cx);
10811 let editor = window.root(cx).unwrap();
10812 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10813
10814 for x in 1..=100 {
10815 let (_, state) = cx.draw(
10816 Default::default(),
10817 size(px(200. + 0.13 * x as f32), px(500.)),
10818 |_, _| EditorElement::new(&editor, style.clone()),
10819 );
10820
10821 assert!(
10822 state.position_map.scroll_max.x == 0.,
10823 "Soft wrapped editor should have no horizontal scrolling!"
10824 );
10825 }
10826 }
10827
10828 #[gpui::test]
10829 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10830 init_test(cx, |_| {});
10831 let window = cx.add_window(|window, cx| {
10832 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10833 Editor::new(EditorMode::full(), buffer, None, window, cx)
10834 });
10835
10836 let editor = window.root(cx).unwrap();
10837 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10838 let line_height = window
10839 .update(cx, |_, window, _| {
10840 style.text.line_height_in_pixels(window.rem_size())
10841 })
10842 .unwrap();
10843 let element = EditorElement::new(&editor, style);
10844 let snapshot = window
10845 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10846 .unwrap();
10847
10848 let layouts = cx
10849 .update_window(*window, |_, window, cx| {
10850 element.layout_line_numbers(
10851 None,
10852 GutterDimensions {
10853 left_padding: Pixels::ZERO,
10854 right_padding: Pixels::ZERO,
10855 width: px(30.0),
10856 margin: Pixels::ZERO,
10857 git_blame_entries_width: None,
10858 },
10859 line_height,
10860 gpui::Point::default(),
10861 DisplayRow(0)..DisplayRow(6),
10862 &(0..6)
10863 .map(|row| RowInfo {
10864 buffer_row: Some(row),
10865 ..Default::default()
10866 })
10867 .collect::<Vec<_>>(),
10868 &BTreeMap::default(),
10869 Some(DisplayPoint::new(DisplayRow(0), 0)),
10870 &snapshot,
10871 window,
10872 cx,
10873 )
10874 })
10875 .unwrap();
10876 assert_eq!(layouts.len(), 6);
10877
10878 let get_row_infos = |snapshot: &EditorSnapshot| {
10879 snapshot
10880 .row_infos(DisplayRow(0))
10881 .take(6)
10882 .collect::<Vec<RowInfo>>()
10883 };
10884
10885 let relative_rows = window
10886 .update(cx, |editor, window, cx| {
10887 let snapshot = editor.snapshot(window, cx);
10888 element.calculate_relative_line_numbers(
10889 &get_row_infos(&snapshot),
10890 &(DisplayRow(0)..DisplayRow(6)),
10891 Some(DisplayRow(3)),
10892 false,
10893 )
10894 })
10895 .unwrap();
10896 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10897 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10898 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10899 // current line has no relative number
10900 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10901 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10902
10903 // works if cursor is before screen
10904 let relative_rows = window
10905 .update(cx, |editor, window, cx| {
10906 let snapshot = editor.snapshot(window, cx);
10907 element.calculate_relative_line_numbers(
10908 &get_row_infos(&snapshot),
10909 &(DisplayRow(3)..DisplayRow(6)),
10910 Some(DisplayRow(1)),
10911 false,
10912 )
10913 })
10914 .unwrap();
10915 assert_eq!(relative_rows.len(), 3);
10916 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10917 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10918 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10919
10920 // works if cursor is after screen
10921 let relative_rows = window
10922 .update(cx, |editor, window, cx| {
10923 let snapshot = editor.snapshot(window, cx);
10924 element.calculate_relative_line_numbers(
10925 &get_row_infos(&snapshot),
10926 &(DisplayRow(0)..DisplayRow(3)),
10927 Some(DisplayRow(6)),
10928 false,
10929 )
10930 })
10931 .unwrap();
10932 assert_eq!(relative_rows.len(), 3);
10933 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10934 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10935 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10936 }
10937
10938 #[gpui::test]
10939 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10940 init_test(cx, |_| {});
10941 let window = cx.add_window(|window, cx| {
10942 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10943 Editor::new(EditorMode::full(), buffer, None, window, cx)
10944 });
10945
10946 update_test_language_settings(cx, |s| {
10947 s.defaults.preferred_line_length = Some(5_u32);
10948 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10949 });
10950
10951 let editor = window.root(cx).unwrap();
10952 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10953 let line_height = window
10954 .update(cx, |_, window, _| {
10955 style.text.line_height_in_pixels(window.rem_size())
10956 })
10957 .unwrap();
10958 let element = EditorElement::new(&editor, style);
10959 let snapshot = window
10960 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10961 .unwrap();
10962
10963 let layouts = cx
10964 .update_window(*window, |_, window, cx| {
10965 element.layout_line_numbers(
10966 None,
10967 GutterDimensions {
10968 left_padding: Pixels::ZERO,
10969 right_padding: Pixels::ZERO,
10970 width: px(30.0),
10971 margin: Pixels::ZERO,
10972 git_blame_entries_width: None,
10973 },
10974 line_height,
10975 gpui::Point::default(),
10976 DisplayRow(0)..DisplayRow(6),
10977 &(0..6)
10978 .map(|row| RowInfo {
10979 buffer_row: Some(row),
10980 ..Default::default()
10981 })
10982 .collect::<Vec<_>>(),
10983 &BTreeMap::default(),
10984 Some(DisplayPoint::new(DisplayRow(0), 0)),
10985 &snapshot,
10986 window,
10987 cx,
10988 )
10989 })
10990 .unwrap();
10991 assert_eq!(layouts.len(), 3);
10992
10993 let relative_rows = window
10994 .update(cx, |editor, window, cx| {
10995 let snapshot = editor.snapshot(window, cx);
10996 let start_row = DisplayRow(0);
10997 let end_row = DisplayRow(6);
10998 let row_infos = snapshot
10999 .row_infos(start_row)
11000 .take((start_row..end_row).len())
11001 .collect::<Vec<RowInfo>>();
11002
11003 element.calculate_relative_line_numbers(
11004 &row_infos,
11005 &(DisplayRow(0)..DisplayRow(6)),
11006 Some(DisplayRow(3)),
11007 true,
11008 )
11009 })
11010 .unwrap();
11011
11012 assert_eq!(relative_rows[&DisplayRow(0)], 3);
11013 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11014 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11015 // current line has no relative number
11016 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11017 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11018 }
11019
11020 #[gpui::test]
11021 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11022 init_test(cx, |_| {});
11023
11024 let window = cx.add_window(|window, cx| {
11025 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11026 Editor::new(EditorMode::full(), buffer, None, window, cx)
11027 });
11028 let cx = &mut VisualTestContext::from_window(*window, cx);
11029 let editor = window.root(cx).unwrap();
11030 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11031
11032 window
11033 .update(cx, |editor, window, cx| {
11034 editor.cursor_shape = CursorShape::Block;
11035 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11036 s.select_ranges([
11037 Point::new(0, 0)..Point::new(1, 0),
11038 Point::new(3, 2)..Point::new(3, 3),
11039 Point::new(5, 6)..Point::new(6, 0),
11040 ]);
11041 });
11042 })
11043 .unwrap();
11044
11045 let (_, state) = cx.draw(
11046 point(px(500.), px(500.)),
11047 size(px(500.), px(500.)),
11048 |_, _| EditorElement::new(&editor, style),
11049 );
11050
11051 assert_eq!(state.selections.len(), 1);
11052 let local_selections = &state.selections[0].1;
11053 assert_eq!(local_selections.len(), 3);
11054 // moves cursor back one line
11055 assert_eq!(
11056 local_selections[0].head,
11057 DisplayPoint::new(DisplayRow(0), 6)
11058 );
11059 assert_eq!(
11060 local_selections[0].range,
11061 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11062 );
11063
11064 // moves cursor back one column
11065 assert_eq!(
11066 local_selections[1].range,
11067 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11068 );
11069 assert_eq!(
11070 local_selections[1].head,
11071 DisplayPoint::new(DisplayRow(3), 2)
11072 );
11073
11074 // leaves cursor on the max point
11075 assert_eq!(
11076 local_selections[2].range,
11077 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11078 );
11079 assert_eq!(
11080 local_selections[2].head,
11081 DisplayPoint::new(DisplayRow(6), 0)
11082 );
11083
11084 // active lines does not include 1 (even though the range of the selection does)
11085 assert_eq!(
11086 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11087 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11088 );
11089 }
11090
11091 #[gpui::test]
11092 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11093 init_test(cx, |_| {});
11094
11095 let window = cx.add_window(|window, cx| {
11096 let buffer = MultiBuffer::build_simple("", cx);
11097 Editor::new(EditorMode::full(), buffer, None, window, cx)
11098 });
11099 let cx = &mut VisualTestContext::from_window(*window, cx);
11100 let editor = window.root(cx).unwrap();
11101 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11102 window
11103 .update(cx, |editor, window, cx| {
11104 editor.set_placeholder_text("hello", window, cx);
11105 editor.insert_blocks(
11106 [BlockProperties {
11107 style: BlockStyle::Fixed,
11108 placement: BlockPlacement::Above(Anchor::min()),
11109 height: Some(3),
11110 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11111 priority: 0,
11112 }],
11113 None,
11114 cx,
11115 );
11116
11117 // Blur the editor so that it displays placeholder text.
11118 window.blur();
11119 })
11120 .unwrap();
11121
11122 let (_, state) = cx.draw(
11123 point(px(500.), px(500.)),
11124 size(px(500.), px(500.)),
11125 |_, _| EditorElement::new(&editor, style),
11126 );
11127 assert_eq!(state.position_map.line_layouts.len(), 4);
11128 assert_eq!(state.line_numbers.len(), 1);
11129 assert_eq!(
11130 state
11131 .line_numbers
11132 .get(&MultiBufferRow(0))
11133 .map(|line_number| line_number
11134 .segments
11135 .first()
11136 .unwrap()
11137 .shaped_line
11138 .text
11139 .as_ref()),
11140 Some("1")
11141 );
11142 }
11143
11144 #[gpui::test]
11145 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11146 const TAB_SIZE: u32 = 4;
11147
11148 let input_text = "\t \t|\t| a b";
11149 let expected_invisibles = vec![
11150 Invisible::Tab {
11151 line_start_offset: 0,
11152 line_end_offset: TAB_SIZE as usize,
11153 },
11154 Invisible::Whitespace {
11155 line_offset: TAB_SIZE as usize,
11156 },
11157 Invisible::Tab {
11158 line_start_offset: TAB_SIZE as usize + 1,
11159 line_end_offset: TAB_SIZE as usize * 2,
11160 },
11161 Invisible::Tab {
11162 line_start_offset: TAB_SIZE as usize * 2 + 1,
11163 line_end_offset: TAB_SIZE as usize * 3,
11164 },
11165 Invisible::Whitespace {
11166 line_offset: TAB_SIZE as usize * 3 + 1,
11167 },
11168 Invisible::Whitespace {
11169 line_offset: TAB_SIZE as usize * 3 + 3,
11170 },
11171 ];
11172 assert_eq!(
11173 expected_invisibles.len(),
11174 input_text
11175 .chars()
11176 .filter(|initial_char| initial_char.is_whitespace())
11177 .count(),
11178 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11179 );
11180
11181 for show_line_numbers in [true, false] {
11182 init_test(cx, |s| {
11183 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11184 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11185 });
11186
11187 let actual_invisibles = collect_invisibles_from_new_editor(
11188 cx,
11189 EditorMode::full(),
11190 input_text,
11191 px(500.0),
11192 show_line_numbers,
11193 );
11194
11195 assert_eq!(expected_invisibles, actual_invisibles);
11196 }
11197 }
11198
11199 #[gpui::test]
11200 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11201 init_test(cx, |s| {
11202 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11203 s.defaults.tab_size = NonZeroU32::new(4);
11204 });
11205
11206 for editor_mode_without_invisibles in [
11207 EditorMode::SingleLine,
11208 EditorMode::AutoHeight {
11209 min_lines: 1,
11210 max_lines: Some(100),
11211 },
11212 ] {
11213 for show_line_numbers in [true, false] {
11214 let invisibles = collect_invisibles_from_new_editor(
11215 cx,
11216 editor_mode_without_invisibles.clone(),
11217 "\t\t\t| | a b",
11218 px(500.0),
11219 show_line_numbers,
11220 );
11221 assert!(
11222 invisibles.is_empty(),
11223 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11224 );
11225 }
11226 }
11227 }
11228
11229 #[gpui::test]
11230 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11231 let tab_size = 4;
11232 let input_text = "a\tbcd ".repeat(9);
11233 let repeated_invisibles = [
11234 Invisible::Tab {
11235 line_start_offset: 1,
11236 line_end_offset: tab_size as usize,
11237 },
11238 Invisible::Whitespace {
11239 line_offset: tab_size as usize + 3,
11240 },
11241 Invisible::Whitespace {
11242 line_offset: tab_size as usize + 4,
11243 },
11244 Invisible::Whitespace {
11245 line_offset: tab_size as usize + 5,
11246 },
11247 Invisible::Whitespace {
11248 line_offset: tab_size as usize + 6,
11249 },
11250 Invisible::Whitespace {
11251 line_offset: tab_size as usize + 7,
11252 },
11253 ];
11254 let expected_invisibles = std::iter::once(repeated_invisibles)
11255 .cycle()
11256 .take(9)
11257 .flatten()
11258 .collect::<Vec<_>>();
11259 assert_eq!(
11260 expected_invisibles.len(),
11261 input_text
11262 .chars()
11263 .filter(|initial_char| initial_char.is_whitespace())
11264 .count(),
11265 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11266 );
11267 info!("Expected invisibles: {expected_invisibles:?}");
11268
11269 init_test(cx, |_| {});
11270
11271 // Put the same string with repeating whitespace pattern into editors of various size,
11272 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11273 let resize_step = 10.0;
11274 let mut editor_width = 200.0;
11275 while editor_width <= 1000.0 {
11276 for show_line_numbers in [true, false] {
11277 update_test_language_settings(cx, |s| {
11278 s.defaults.tab_size = NonZeroU32::new(tab_size);
11279 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11280 s.defaults.preferred_line_length = Some(editor_width as u32);
11281 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11282 });
11283
11284 let actual_invisibles = collect_invisibles_from_new_editor(
11285 cx,
11286 EditorMode::full(),
11287 &input_text,
11288 px(editor_width),
11289 show_line_numbers,
11290 );
11291
11292 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11293 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11294 let mut i = 0;
11295 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11296 i = actual_index;
11297 match expected_invisibles.get(i) {
11298 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11299 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11300 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11301 _ => {
11302 panic!(
11303 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11304 )
11305 }
11306 },
11307 None => {
11308 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11309 }
11310 }
11311 }
11312 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11313 assert!(
11314 missing_expected_invisibles.is_empty(),
11315 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11316 );
11317
11318 editor_width += resize_step;
11319 }
11320 }
11321 }
11322
11323 fn collect_invisibles_from_new_editor(
11324 cx: &mut TestAppContext,
11325 editor_mode: EditorMode,
11326 input_text: &str,
11327 editor_width: Pixels,
11328 show_line_numbers: bool,
11329 ) -> Vec<Invisible> {
11330 info!(
11331 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11332 f32::from(editor_width)
11333 );
11334 let window = cx.add_window(|window, cx| {
11335 let buffer = MultiBuffer::build_simple(input_text, cx);
11336 Editor::new(editor_mode, buffer, None, window, cx)
11337 });
11338 let cx = &mut VisualTestContext::from_window(*window, cx);
11339 let editor = window.root(cx).unwrap();
11340
11341 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11342 window
11343 .update(cx, |editor, _, cx| {
11344 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11345 editor.set_wrap_width(Some(editor_width), cx);
11346 editor.set_show_line_numbers(show_line_numbers, cx);
11347 })
11348 .unwrap();
11349 let (_, state) = cx.draw(
11350 point(px(500.), px(500.)),
11351 size(px(500.), px(500.)),
11352 |_, _| EditorElement::new(&editor, style),
11353 );
11354 state
11355 .position_map
11356 .line_layouts
11357 .iter()
11358 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11359 .cloned()
11360 .collect()
11361 }
11362
11363 #[gpui::test]
11364 fn test_merge_overlapping_ranges() {
11365 let base_bg = Hsla::white();
11366 let color1 = Hsla {
11367 h: 0.0,
11368 s: 0.5,
11369 l: 0.5,
11370 a: 0.5,
11371 };
11372 let color2 = Hsla {
11373 h: 120.0,
11374 s: 0.5,
11375 l: 0.5,
11376 a: 0.5,
11377 };
11378
11379 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11380 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11381 v.iter()
11382 .map(|(r, _)| (r.start.column(), r.end.column()))
11383 .collect()
11384 };
11385
11386 // Test overlapping ranges blend colors
11387 let overlapping = vec![
11388 (display_point(5)..display_point(15), color1),
11389 (display_point(10)..display_point(20), color2),
11390 ];
11391 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11392 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11393
11394 // Test middle segment should have blended color
11395 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11396 assert_eq!(result[1].1, blended);
11397
11398 // Test adjacent same-color ranges merge
11399 let adjacent_same = vec![
11400 (display_point(5)..display_point(10), color1),
11401 (display_point(10)..display_point(15), color1),
11402 ];
11403 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11404 assert_eq!(cols(&result), vec![(5, 15)]);
11405
11406 // Test contained range splits
11407 let contained = vec![
11408 (display_point(5)..display_point(20), color1),
11409 (display_point(10)..display_point(15), color2),
11410 ];
11411 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11412 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11413
11414 // Test multiple overlaps split at every boundary
11415 let color3 = Hsla {
11416 h: 240.0,
11417 s: 0.5,
11418 l: 0.5,
11419 a: 0.5,
11420 };
11421 let complex = vec![
11422 (display_point(5)..display_point(12), color1),
11423 (display_point(8)..display_point(16), color2),
11424 (display_point(10)..display_point(14), color3),
11425 ];
11426 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11427 assert_eq!(
11428 cols(&result),
11429 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11430 );
11431 }
11432
11433 #[gpui::test]
11434 fn test_bg_segments_per_row() {
11435 let base_bg = Hsla::white();
11436
11437 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11438 {
11439 let selection_color = Hsla {
11440 h: 200.0,
11441 s: 0.5,
11442 l: 0.5,
11443 a: 0.5,
11444 };
11445 let player_color = PlayerColor {
11446 cursor: selection_color,
11447 background: selection_color,
11448 selection: selection_color,
11449 };
11450
11451 let spanning_selection = SelectionLayout {
11452 head: DisplayPoint::new(DisplayRow(3), 7),
11453 cursor_shape: CursorShape::Bar,
11454 is_newest: true,
11455 is_local: true,
11456 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11457 active_rows: DisplayRow(1)..DisplayRow(4),
11458 user_name: None,
11459 };
11460
11461 let selections = vec![(player_color, vec![spanning_selection])];
11462 let result = EditorElement::bg_segments_per_row(
11463 DisplayRow(0)..DisplayRow(5),
11464 &selections,
11465 &[],
11466 base_bg,
11467 );
11468
11469 assert_eq!(result.len(), 5);
11470 assert!(result[0].is_empty());
11471 assert_eq!(result[1].len(), 1);
11472 assert_eq!(result[2].len(), 1);
11473 assert_eq!(result[3].len(), 1);
11474 assert!(result[4].is_empty());
11475
11476 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11477 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11478 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11479 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11480 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11481 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11482 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11483 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11484 }
11485
11486 // Case B: selection ends exactly at the start of row 3, excluding row 3
11487 {
11488 let selection_color = Hsla {
11489 h: 120.0,
11490 s: 0.5,
11491 l: 0.5,
11492 a: 0.5,
11493 };
11494 let player_color = PlayerColor {
11495 cursor: selection_color,
11496 background: selection_color,
11497 selection: selection_color,
11498 };
11499
11500 let selection = SelectionLayout {
11501 head: DisplayPoint::new(DisplayRow(2), 0),
11502 cursor_shape: CursorShape::Bar,
11503 is_newest: true,
11504 is_local: true,
11505 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11506 active_rows: DisplayRow(1)..DisplayRow(3),
11507 user_name: None,
11508 };
11509
11510 let selections = vec![(player_color, vec![selection])];
11511 let result = EditorElement::bg_segments_per_row(
11512 DisplayRow(0)..DisplayRow(4),
11513 &selections,
11514 &[],
11515 base_bg,
11516 );
11517
11518 assert_eq!(result.len(), 4);
11519 assert!(result[0].is_empty());
11520 assert_eq!(result[1].len(), 1);
11521 assert_eq!(result[2].len(), 1);
11522 assert!(result[3].is_empty());
11523
11524 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11525 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11526 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11527 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11528 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11529 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11530 }
11531 }
11532
11533 #[cfg(test)]
11534 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11535 TextRun {
11536 len,
11537 font: gpui::font(".SystemUIFont"),
11538 color,
11539 background_color: None,
11540 underline: None,
11541 strikethrough: None,
11542 }
11543 }
11544
11545 #[gpui::test]
11546 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11547 init_test(cx, |_| {});
11548
11549 let dx = |start: u32, end: u32| {
11550 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11551 };
11552
11553 let text_color = Hsla {
11554 h: 210.0,
11555 s: 0.1,
11556 l: 0.4,
11557 a: 1.0,
11558 };
11559 let bg_1 = Hsla {
11560 h: 30.0,
11561 s: 0.6,
11562 l: 0.8,
11563 a: 1.0,
11564 };
11565 let bg_2 = Hsla {
11566 h: 200.0,
11567 s: 0.6,
11568 l: 0.2,
11569 a: 1.0,
11570 };
11571 let min_contrast = 45.0;
11572 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11573 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11574
11575 // Case A: single run; disjoint segments inside the run
11576 {
11577 let runs = vec![generate_test_run(20, text_color)];
11578 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11579 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11580 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11581 assert_eq!(
11582 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11583 vec![5, 5, 2, 4, 4]
11584 );
11585 assert_eq!(out[0].color, text_color);
11586 assert_eq!(out[1].color, adjusted_bg1);
11587 assert_eq!(out[2].color, text_color);
11588 assert_eq!(out[3].color, adjusted_bg2);
11589 assert_eq!(out[4].color, text_color);
11590 }
11591
11592 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11593 {
11594 let runs = vec![
11595 generate_test_run(8, text_color),
11596 generate_test_run(7, text_color),
11597 ];
11598 let segs = vec![(dx(6, u32::MAX), bg_1)];
11599 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11600 // Expected slices across runs: [0,6) [6,8) | [0,7)
11601 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11602 assert_eq!(out[0].color, text_color);
11603 assert_eq!(out[1].color, adjusted_bg1);
11604 assert_eq!(out[2].color, adjusted_bg1);
11605 }
11606
11607 // Case C: multi-byte characters
11608 {
11609 // for text: "Hello π δΈη!"
11610 let runs = vec![
11611 generate_test_run(5, text_color), // "Hello"
11612 generate_test_run(6, text_color), // " π "
11613 generate_test_run(6, text_color), // "δΈη"
11614 generate_test_run(1, text_color), // "!"
11615 ];
11616 // selecting "π δΈ"
11617 let segs = vec![(dx(6, 14), bg_1)];
11618 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11619 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11620 assert_eq!(
11621 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11622 vec![5, 1, 5, 3, 3, 1]
11623 );
11624 assert_eq!(out[0].color, text_color); // "Hello"
11625 assert_eq!(out[2].color, adjusted_bg1); // "π "
11626 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11627 assert_eq!(out[4].color, text_color); // "η"
11628 assert_eq!(out[5].color, text_color); // "!"
11629 }
11630
11631 // Case D: split multiple consecutive text runs with segments
11632 {
11633 let segs = vec![
11634 (dx(2, 4), bg_1), // selecting "cd"
11635 (dx(4, 8), bg_2), // selecting "efgh"
11636 (dx(9, 11), bg_1), // selecting "jk"
11637 (dx(12, 16), bg_2), // selecting "mnop"
11638 (dx(18, 19), bg_1), // selecting "s"
11639 ];
11640
11641 // for text: "abcdef"
11642 let runs = vec![
11643 generate_test_run(2, text_color), // ab
11644 generate_test_run(4, text_color), // cdef
11645 ];
11646 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11647 // new splits "ab", "cd", "ef"
11648 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11649 assert_eq!(out[0].color, text_color);
11650 assert_eq!(out[1].color, adjusted_bg1);
11651 assert_eq!(out[2].color, adjusted_bg2);
11652
11653 // for text: "ghijklmn"
11654 let runs = vec![
11655 generate_test_run(3, text_color), // ghi
11656 generate_test_run(2, text_color), // jk
11657 generate_test_run(3, text_color), // lmn
11658 ];
11659 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11660 // new splits "gh", "i", "jk", "l", "mn"
11661 assert_eq!(
11662 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11663 vec![2, 1, 2, 1, 2]
11664 );
11665 assert_eq!(out[0].color, adjusted_bg2);
11666 assert_eq!(out[1].color, text_color);
11667 assert_eq!(out[2].color, adjusted_bg1);
11668 assert_eq!(out[3].color, text_color);
11669 assert_eq!(out[4].color, adjusted_bg2);
11670
11671 // for text: "opqrs"
11672 let runs = vec![
11673 generate_test_run(1, text_color), // o
11674 generate_test_run(4, text_color), // pqrs
11675 ];
11676 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11677 // new splits "o", "p", "qr", "s"
11678 assert_eq!(
11679 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11680 vec![1, 1, 2, 1]
11681 );
11682 assert_eq!(out[0].color, adjusted_bg2);
11683 assert_eq!(out[1].color, adjusted_bg2);
11684 assert_eq!(out[2].color, text_color);
11685 assert_eq!(out[3].color, adjusted_bg1);
11686 }
11687 }
11688}