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
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.format(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.format_selections(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.organize_imports(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, Editor::restart_language_server);
521 register_action(editor, window, Editor::stop_language_server);
522 register_action(editor, window, Editor::show_character_palette);
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.compose_completion(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_code_action(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.rename(action, window, cx) {
560 task.detach_and_notify_err(window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.confirm_rename(action, window, cx) {
567 task.detach_and_notify_err(window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, |editor, action, window, cx| {
573 if let Some(task) = editor.find_all_references(action, window, cx) {
574 task.detach_and_log_err(cx);
575 } else {
576 cx.propagate();
577 }
578 });
579 register_action(editor, window, Editor::show_signature_help);
580 register_action(editor, window, Editor::signature_help_prev);
581 register_action(editor, window, Editor::signature_help_next);
582 register_action(editor, window, Editor::next_edit_prediction);
583 register_action(editor, window, Editor::previous_edit_prediction);
584 register_action(editor, window, Editor::show_edit_prediction);
585 register_action(editor, window, Editor::context_menu_first);
586 register_action(editor, window, Editor::context_menu_prev);
587 register_action(editor, window, Editor::context_menu_next);
588 register_action(editor, window, Editor::context_menu_last);
589 register_action(editor, window, Editor::display_cursor_names);
590 register_action(editor, window, Editor::unique_lines_case_insensitive);
591 register_action(editor, window, Editor::unique_lines_case_sensitive);
592 register_action(editor, window, Editor::accept_partial_edit_prediction);
593 register_action(editor, window, Editor::accept_edit_prediction);
594 register_action(editor, window, Editor::restore_file);
595 register_action(editor, window, Editor::git_restore);
596 register_action(editor, window, Editor::apply_all_diff_hunks);
597 register_action(editor, window, Editor::apply_selected_diff_hunks);
598 register_action(editor, window, Editor::open_active_item_in_terminal);
599 register_action(editor, window, Editor::reload_file);
600 register_action(editor, window, Editor::spawn_nearest_task);
601 register_action(editor, window, Editor::insert_uuid_v4);
602 register_action(editor, window, Editor::insert_uuid_v7);
603 register_action(editor, window, Editor::open_selections_in_multibuffer);
604 register_action(editor, window, Editor::toggle_breakpoint);
605 register_action(editor, window, Editor::edit_log_breakpoint);
606 register_action(editor, window, Editor::enable_breakpoint);
607 register_action(editor, window, Editor::disable_breakpoint);
608 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
609 register_action(editor, window, Editor::wrap_selections_in_tag);
610 }
611 }
612
613 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
614 let position_map = layout.position_map.clone();
615 window.on_key_event({
616 let editor = self.editor.clone();
617 move |event: &ModifiersChangedEvent, phase, window, cx| {
618 if phase != DispatchPhase::Bubble {
619 return;
620 }
621 editor.update(cx, |editor, cx| {
622 let inlay_hint_settings = inlay_hint_settings(
623 editor.selections.newest_anchor().head(),
624 &editor.buffer.read(cx).snapshot(cx),
625 cx,
626 );
627
628 if let Some(inlay_modifiers) = inlay_hint_settings
629 .toggle_on_modifiers_press
630 .as_ref()
631 .filter(|modifiers| modifiers.modified())
632 {
633 editor.refresh_inlay_hints(
634 InlayHintRefreshReason::ModifiersChanged(
635 inlay_modifiers == &event.modifiers,
636 ),
637 cx,
638 );
639 }
640
641 if editor.hover_state.focused(window, cx) {
642 return;
643 }
644
645 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
646 })
647 }
648 });
649 }
650
651 fn mouse_left_down(
652 editor: &mut Editor,
653 event: &MouseDownEvent,
654 position_map: &PositionMap,
655 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
656 window: &mut Window,
657 cx: &mut Context<Editor>,
658 ) {
659 if window.default_prevented() {
660 return;
661 }
662
663 let text_hitbox = &position_map.text_hitbox;
664 let gutter_hitbox = &position_map.gutter_hitbox;
665 let point_for_position = position_map.point_for_position(event.position);
666 let mut click_count = event.click_count;
667 let mut modifiers = event.modifiers;
668
669 if let Some(hovered_hunk) =
670 position_map
671 .display_hunks
672 .iter()
673 .find_map(|(hunk, hunk_hitbox)| match hunk {
674 DisplayDiffHunk::Folded { .. } => None,
675 DisplayDiffHunk::Unfolded {
676 multi_buffer_range, ..
677 } => hunk_hitbox
678 .as_ref()
679 .is_some_and(|hitbox| hitbox.is_hovered(window))
680 .then(|| multi_buffer_range.clone()),
681 })
682 {
683 editor.toggle_single_diff_hunk(hovered_hunk, cx);
684 cx.notify();
685 return;
686 } else if gutter_hitbox.is_hovered(window) {
687 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
688 } else if !text_hitbox.is_hovered(window) {
689 return;
690 }
691
692 if EditorSettings::get_global(cx)
693 .drag_and_drop_selection
694 .enabled
695 && click_count == 1
696 && !modifiers.shift
697 {
698 let newest_anchor = editor.selections.newest_anchor();
699 let snapshot = editor.snapshot(window, cx);
700 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
701 if point_for_position.intersects_selection(&selection) {
702 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
703 selection: newest_anchor.clone(),
704 click_position: event.position,
705 mouse_down_time: Instant::now(),
706 };
707 cx.stop_propagation();
708 return;
709 }
710 }
711
712 let is_singleton = editor.buffer().read(cx).is_singleton();
713
714 if click_count == 2 && !is_singleton {
715 match EditorSettings::get_global(cx).double_click_in_multibuffer {
716 DoubleClickInMultibuffer::Select => {
717 // do nothing special on double click, all selection logic is below
718 }
719 DoubleClickInMultibuffer::Open => {
720 if modifiers.alt {
721 // if double click is made with alt, pretend it's a regular double click without opening and alt,
722 // and run the selection logic.
723 modifiers.alt = false;
724 } else {
725 let scroll_position_row = position_map.scroll_position.y;
726 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
727 / position_map.line_height)
728 as f64
729 + position_map.scroll_position.y)
730 as u32;
731 let multi_buffer_row = position_map
732 .snapshot
733 .display_point_to_point(
734 DisplayPoint::new(DisplayRow(display_row), 0),
735 Bias::Right,
736 )
737 .row;
738 let line_offset_from_top = display_row - scroll_position_row as u32;
739 // if double click is made without alt, open the corresponding excerp
740 editor.open_excerpts_common(
741 Some(JumpData::MultiBufferRow {
742 row: MultiBufferRow(multi_buffer_row),
743 line_offset_from_top,
744 }),
745 false,
746 window,
747 cx,
748 );
749 return;
750 }
751 }
752 }
753 }
754
755 if !is_singleton {
756 let display_row = (ScrollPixelOffset::from(
757 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
758 ) + position_map.scroll_position.y) as u32;
759 let multi_buffer_row = position_map
760 .snapshot
761 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
762 .row;
763 if line_numbers
764 .get(&MultiBufferRow(multi_buffer_row))
765 .is_some_and(|line_layout| {
766 line_layout.segments.iter().any(|segment| {
767 segment
768 .hitbox
769 .as_ref()
770 .is_some_and(|hitbox| hitbox.contains(&event.position))
771 })
772 })
773 {
774 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
775
776 editor.open_excerpts_common(
777 Some(JumpData::MultiBufferRow {
778 row: MultiBufferRow(multi_buffer_row),
779 line_offset_from_top,
780 }),
781 modifiers.alt,
782 window,
783 cx,
784 );
785 cx.stop_propagation();
786 return;
787 }
788 }
789
790 let position = point_for_position.previous_valid;
791 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
792 editor.select(
793 SelectPhase::BeginColumnar {
794 position,
795 reset: match mode {
796 ColumnarMode::FromMouse => true,
797 ColumnarMode::FromSelection => false,
798 },
799 mode,
800 goal_column: point_for_position.exact_unclipped.column(),
801 },
802 window,
803 cx,
804 );
805 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
806 {
807 editor.select(
808 SelectPhase::Extend {
809 position,
810 click_count,
811 },
812 window,
813 cx,
814 );
815 } else {
816 editor.select(
817 SelectPhase::Begin {
818 position,
819 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
820 click_count,
821 },
822 window,
823 cx,
824 );
825 }
826 cx.stop_propagation();
827 }
828
829 fn mouse_right_down(
830 editor: &mut Editor,
831 event: &MouseDownEvent,
832 position_map: &PositionMap,
833 window: &mut Window,
834 cx: &mut Context<Editor>,
835 ) {
836 if position_map.gutter_hitbox.is_hovered(window) {
837 let gutter_right_padding = editor.gutter_dimensions.right_padding;
838 let hitbox = &position_map.gutter_hitbox;
839
840 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
841 let point_for_position = position_map.point_for_position(event.position);
842 editor.set_breakpoint_context_menu(
843 point_for_position.previous_valid.row(),
844 None,
845 event.position,
846 window,
847 cx,
848 );
849 }
850 return;
851 }
852
853 if !position_map.text_hitbox.is_hovered(window) {
854 return;
855 }
856
857 let point_for_position = position_map.point_for_position(event.position);
858 mouse_context_menu::deploy_context_menu(
859 editor,
860 Some(event.position),
861 point_for_position.previous_valid,
862 window,
863 cx,
864 );
865 cx.stop_propagation();
866 }
867
868 fn mouse_middle_down(
869 editor: &mut Editor,
870 event: &MouseDownEvent,
871 position_map: &PositionMap,
872 window: &mut Window,
873 cx: &mut Context<Editor>,
874 ) {
875 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
876 return;
877 }
878
879 let point_for_position = position_map.point_for_position(event.position);
880 let position = point_for_position.previous_valid;
881
882 editor.select(
883 SelectPhase::BeginColumnar {
884 position,
885 reset: true,
886 mode: ColumnarMode::FromMouse,
887 goal_column: point_for_position.exact_unclipped.column(),
888 },
889 window,
890 cx,
891 );
892 }
893
894 fn mouse_up(
895 editor: &mut Editor,
896 event: &MouseUpEvent,
897 position_map: &PositionMap,
898 window: &mut Window,
899 cx: &mut Context<Editor>,
900 ) {
901 let text_hitbox = &position_map.text_hitbox;
902 let end_selection = editor.has_pending_selection();
903 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
904 let point_for_position = position_map.point_for_position(event.position);
905
906 match editor.selection_drag_state {
907 SelectionDragState::ReadyToDrag {
908 selection: _,
909 ref click_position,
910 mouse_down_time: _,
911 } => {
912 if event.position == *click_position {
913 editor.select(
914 SelectPhase::Begin {
915 position: point_for_position.previous_valid,
916 add: false,
917 click_count: 1, // ready to drag state only occurs on click count 1
918 },
919 window,
920 cx,
921 );
922 editor.selection_drag_state = SelectionDragState::None;
923 cx.stop_propagation();
924 return;
925 } else {
926 debug_panic!("drag state can never be in ready state after drag")
927 }
928 }
929 SelectionDragState::Dragging { ref selection, .. } => {
930 let snapshot = editor.snapshot(window, cx);
931 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
932 if !point_for_position.intersects_selection(&selection_display)
933 && text_hitbox.is_hovered(window)
934 {
935 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
936 || cfg!(not(target_os = "macos")) && event.modifiers.control);
937 editor.move_selection_on_drop(
938 &selection.clone(),
939 point_for_position.previous_valid,
940 is_cut,
941 window,
942 cx,
943 );
944 }
945 editor.selection_drag_state = SelectionDragState::None;
946 cx.stop_propagation();
947 cx.notify();
948 return;
949 }
950 _ => {}
951 }
952
953 if end_selection {
954 editor.select(SelectPhase::End, window, cx);
955 }
956
957 if end_selection && pending_nonempty_selections {
958 cx.stop_propagation();
959 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
960 && event.button == MouseButton::Middle
961 {
962 #[allow(
963 clippy::collapsible_if,
964 clippy::needless_return,
965 reason = "The cfg-block below makes this a false positive"
966 )]
967 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
968 return;
969 }
970
971 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
972 if EditorSettings::get_global(cx).middle_click_paste {
973 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
974 let point_for_position = position_map.point_for_position(event.position);
975 let position = point_for_position.previous_valid;
976
977 editor.select(
978 SelectPhase::Begin {
979 position,
980 add: false,
981 click_count: 1,
982 },
983 window,
984 cx,
985 );
986 editor.insert(&text, window, cx);
987 }
988 cx.stop_propagation()
989 }
990 }
991 }
992
993 fn click(
994 editor: &mut Editor,
995 event: &ClickEvent,
996 position_map: &PositionMap,
997 window: &mut Window,
998 cx: &mut Context<Editor>,
999 ) {
1000 let text_hitbox = &position_map.text_hitbox;
1001 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1002
1003 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
1004
1005 if let Some(mouse_position) = event.mouse_position()
1006 && !pending_nonempty_selections
1007 && hovered_link_modifier
1008 && text_hitbox.is_hovered(window)
1009 {
1010 let point = position_map.point_for_position(mouse_position);
1011 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1012 editor.selection_drag_state = SelectionDragState::None;
1013
1014 cx.stop_propagation();
1015 }
1016 }
1017
1018 fn mouse_dragged(
1019 editor: &mut Editor,
1020 event: &MouseMoveEvent,
1021 position_map: &PositionMap,
1022 window: &mut Window,
1023 cx: &mut Context<Editor>,
1024 ) {
1025 if !editor.has_pending_selection()
1026 && matches!(editor.selection_drag_state, SelectionDragState::None)
1027 {
1028 return;
1029 }
1030
1031 let point_for_position = position_map.point_for_position(event.position);
1032 let text_hitbox = &position_map.text_hitbox;
1033
1034 let scroll_delta = {
1035 let text_bounds = text_hitbox.bounds;
1036 let mut scroll_delta = gpui::Point::<f32>::default();
1037 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1038 let top = text_bounds.origin.y + vertical_margin;
1039 let bottom = text_bounds.bottom_left().y - vertical_margin;
1040 if event.position.y < top {
1041 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1042 }
1043 if event.position.y > bottom {
1044 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1045 }
1046
1047 // We need horizontal width of text
1048 let style = editor.style.clone().unwrap_or_default();
1049 let font_id = window.text_system().resolve_font(&style.text.font());
1050 let font_size = style.text.font_size.to_pixels(window.rem_size());
1051 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1052
1053 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1054
1055 let scroll_space: Pixels = scroll_margin_x * em_width;
1056
1057 let left = text_bounds.origin.x + scroll_space;
1058 let right = text_bounds.top_right().x - scroll_space;
1059
1060 if event.position.x < left {
1061 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1062 }
1063 if event.position.x > right {
1064 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1065 }
1066 scroll_delta
1067 };
1068
1069 if !editor.has_pending_selection() {
1070 let drop_anchor = position_map
1071 .snapshot
1072 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1073 match editor.selection_drag_state {
1074 SelectionDragState::Dragging {
1075 ref mut drop_cursor,
1076 ref mut hide_drop_cursor,
1077 ..
1078 } => {
1079 drop_cursor.start = drop_anchor;
1080 drop_cursor.end = drop_anchor;
1081 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1082 editor.apply_scroll_delta(scroll_delta, window, cx);
1083 cx.notify();
1084 }
1085 SelectionDragState::ReadyToDrag {
1086 ref selection,
1087 ref click_position,
1088 ref mouse_down_time,
1089 } => {
1090 let drag_and_drop_delay = Duration::from_millis(
1091 EditorSettings::get_global(cx)
1092 .drag_and_drop_selection
1093 .delay
1094 .0,
1095 );
1096 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1097 let drop_cursor = Selection {
1098 id: post_inc(&mut editor.selections.next_selection_id()),
1099 start: drop_anchor,
1100 end: drop_anchor,
1101 reversed: false,
1102 goal: SelectionGoal::None,
1103 };
1104 editor.selection_drag_state = SelectionDragState::Dragging {
1105 selection: selection.clone(),
1106 drop_cursor,
1107 hide_drop_cursor: false,
1108 };
1109 editor.apply_scroll_delta(scroll_delta, window, cx);
1110 cx.notify();
1111 } else {
1112 let click_point = position_map.point_for_position(*click_position);
1113 editor.selection_drag_state = SelectionDragState::None;
1114 editor.select(
1115 SelectPhase::Begin {
1116 position: click_point.previous_valid,
1117 add: false,
1118 click_count: 1,
1119 },
1120 window,
1121 cx,
1122 );
1123 editor.select(
1124 SelectPhase::Update {
1125 position: point_for_position.previous_valid,
1126 goal_column: point_for_position.exact_unclipped.column(),
1127 scroll_delta,
1128 },
1129 window,
1130 cx,
1131 );
1132 }
1133 }
1134 _ => {}
1135 }
1136 } else {
1137 editor.select(
1138 SelectPhase::Update {
1139 position: point_for_position.previous_valid,
1140 goal_column: point_for_position.exact_unclipped.column(),
1141 scroll_delta,
1142 },
1143 window,
1144 cx,
1145 );
1146 }
1147 }
1148
1149 fn mouse_moved(
1150 editor: &mut Editor,
1151 event: &MouseMoveEvent,
1152 position_map: &PositionMap,
1153 window: &mut Window,
1154 cx: &mut Context<Editor>,
1155 ) {
1156 let text_hitbox = &position_map.text_hitbox;
1157 let gutter_hitbox = &position_map.gutter_hitbox;
1158 let modifiers = event.modifiers;
1159 let text_hovered = text_hitbox.is_hovered(window);
1160 let gutter_hovered = gutter_hitbox.is_hovered(window);
1161 editor.set_gutter_hovered(gutter_hovered, cx);
1162 editor.show_mouse_cursor(cx);
1163
1164 let point_for_position = position_map.point_for_position(event.position);
1165 let valid_point = point_for_position.previous_valid;
1166
1167 let hovered_diff_control = position_map
1168 .diff_hunk_control_bounds
1169 .iter()
1170 .find(|(_, bounds)| bounds.contains(&event.position))
1171 .map(|(row, _)| *row);
1172
1173 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1174 Some(control_row)
1175 } else if text_hovered {
1176 let current_row = valid_point.row();
1177 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1178 if let DisplayDiffHunk::Unfolded {
1179 display_row_range, ..
1180 } = hunk
1181 {
1182 if display_row_range.contains(¤t_row) {
1183 Some(display_row_range.start)
1184 } else {
1185 None
1186 }
1187 } else {
1188 None
1189 }
1190 })
1191 } else {
1192 None
1193 };
1194
1195 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1196 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1197 cx.notify();
1198 }
1199
1200 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1201 let mouse_over_inline_blame = bounds.contains(&event.position);
1202 let mouse_over_popover = editor
1203 .inline_blame_popover
1204 .as_ref()
1205 .and_then(|state| state.popover_bounds)
1206 .is_some_and(|bounds| bounds.contains(&event.position));
1207 let keyboard_grace = editor
1208 .inline_blame_popover
1209 .as_ref()
1210 .is_some_and(|state| state.keyboard_grace);
1211
1212 if mouse_over_inline_blame || mouse_over_popover {
1213 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1214 } else if !keyboard_grace {
1215 editor.hide_blame_popover(false, cx);
1216 }
1217 } else {
1218 editor.hide_blame_popover(false, cx);
1219 }
1220
1221 let breakpoint_indicator = if gutter_hovered {
1222 let buffer_anchor = position_map
1223 .snapshot
1224 .display_point_to_anchor(valid_point, Bias::Left);
1225
1226 if let Some((buffer_snapshot, file)) = position_map
1227 .snapshot
1228 .buffer_snapshot()
1229 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1230 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1231 {
1232 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1233
1234 let is_visible = editor
1235 .gutter_breakpoint_indicator
1236 .0
1237 .is_some_and(|indicator| indicator.is_active);
1238
1239 let has_existing_breakpoint =
1240 editor.breakpoint_store.as_ref().is_some_and(|store| {
1241 let Some(project) = &editor.project else {
1242 return false;
1243 };
1244 let Some(abs_path) = project.read(cx).absolute_path(
1245 &ProjectPath {
1246 path: file.path().clone(),
1247 worktree_id: file.worktree_id(cx),
1248 },
1249 cx,
1250 ) else {
1251 return false;
1252 };
1253 store
1254 .read(cx)
1255 .breakpoint_at_row(&abs_path, as_point.row, cx)
1256 .is_some()
1257 });
1258
1259 if !is_visible {
1260 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1261 cx.spawn(async move |this, cx| {
1262 cx.background_executor()
1263 .timer(Duration::from_millis(200))
1264 .await;
1265
1266 this.update(cx, |this, cx| {
1267 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1268 {
1269 indicator.is_active = true;
1270 cx.notify();
1271 }
1272 })
1273 .ok();
1274 })
1275 });
1276 }
1277
1278 Some(PhantomBreakpointIndicator {
1279 display_row: valid_point.row(),
1280 is_active: is_visible,
1281 collides_with_existing_breakpoint: has_existing_breakpoint,
1282 })
1283 } else {
1284 editor.gutter_breakpoint_indicator.1 = None;
1285 None
1286 }
1287 } else {
1288 editor.gutter_breakpoint_indicator.1 = None;
1289 None
1290 };
1291
1292 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1293 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1294 cx.notify();
1295 }
1296
1297 // Don't trigger hover popover if mouse is hovering over context menu
1298 if text_hovered {
1299 editor.update_hovered_link(
1300 point_for_position,
1301 &position_map.snapshot,
1302 modifiers,
1303 window,
1304 cx,
1305 );
1306
1307 if let Some(point) = point_for_position.as_valid() {
1308 let anchor = position_map
1309 .snapshot
1310 .buffer_snapshot()
1311 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1312 hover_at(editor, Some(anchor), window, cx);
1313 Self::update_visible_cursor(editor, point, position_map, window, cx);
1314 } else {
1315 hover_at(editor, None, window, cx);
1316 }
1317 } else {
1318 editor.hide_hovered_link(cx);
1319 hover_at(editor, None, window, cx);
1320 }
1321 }
1322
1323 fn update_visible_cursor(
1324 editor: &mut Editor,
1325 point: DisplayPoint,
1326 position_map: &PositionMap,
1327 window: &mut Window,
1328 cx: &mut Context<Editor>,
1329 ) {
1330 let snapshot = &position_map.snapshot;
1331 let Some(hub) = editor.collaboration_hub() else {
1332 return;
1333 };
1334 let start = snapshot.display_snapshot.clip_point(
1335 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1336 Bias::Left,
1337 );
1338 let end = snapshot.display_snapshot.clip_point(
1339 DisplayPoint::new(
1340 point.row(),
1341 (point.column() + 1).min(snapshot.line_len(point.row())),
1342 ),
1343 Bias::Right,
1344 );
1345
1346 let range = snapshot
1347 .buffer_snapshot()
1348 .anchor_before(start.to_point(&snapshot.display_snapshot))
1349 ..snapshot
1350 .buffer_snapshot()
1351 .anchor_after(end.to_point(&snapshot.display_snapshot));
1352
1353 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1354 return;
1355 };
1356 let key = crate::HoveredCursor {
1357 replica_id: selection.replica_id,
1358 selection_id: selection.selection.id,
1359 };
1360 editor.hovered_cursors.insert(
1361 key.clone(),
1362 cx.spawn_in(window, async move |editor, cx| {
1363 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1364 editor
1365 .update(cx, |editor, cx| {
1366 editor.hovered_cursors.remove(&key);
1367 cx.notify();
1368 })
1369 .ok();
1370 }),
1371 );
1372 cx.notify()
1373 }
1374
1375 fn layout_selections(
1376 &self,
1377 start_anchor: Anchor,
1378 end_anchor: Anchor,
1379 local_selections: &[Selection<Point>],
1380 snapshot: &EditorSnapshot,
1381 start_row: DisplayRow,
1382 end_row: DisplayRow,
1383 window: &mut Window,
1384 cx: &mut App,
1385 ) -> (
1386 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1387 BTreeMap<DisplayRow, LineHighlightSpec>,
1388 Option<DisplayPoint>,
1389 ) {
1390 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1391 let mut active_rows = BTreeMap::new();
1392 let mut newest_selection_head = None;
1393
1394 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1395 return (selections, active_rows, newest_selection_head);
1396 };
1397
1398 editor_with_selections.update(cx, |editor, cx| {
1399 if editor.show_local_selections {
1400 let mut layouts = Vec::new();
1401 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1402 for selection in local_selections.iter().cloned() {
1403 let is_empty = selection.start == selection.end;
1404 let is_newest = selection == newest;
1405
1406 let layout = SelectionLayout::new(
1407 selection,
1408 editor.selections.line_mode(),
1409 editor.cursor_shape,
1410 &snapshot.display_snapshot,
1411 is_newest,
1412 editor.leader_id.is_none(),
1413 None,
1414 );
1415 if is_newest {
1416 newest_selection_head = Some(layout.head);
1417 }
1418
1419 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1420 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1421 {
1422 let contains_non_empty_selection = active_rows
1423 .entry(DisplayRow(row))
1424 .or_insert_with(LineHighlightSpec::default);
1425 contains_non_empty_selection.selection |= !is_empty;
1426 }
1427 layouts.push(layout);
1428 }
1429
1430 let mut player = editor.current_user_player_color(cx);
1431 if !editor.is_focused(window) {
1432 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1433 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1434 }
1435 selections.push((player, layouts));
1436
1437 if let SelectionDragState::Dragging {
1438 ref selection,
1439 ref drop_cursor,
1440 ref hide_drop_cursor,
1441 } = editor.selection_drag_state
1442 && !hide_drop_cursor
1443 && (drop_cursor
1444 .start
1445 .cmp(&selection.start, &snapshot.buffer_snapshot())
1446 .eq(&Ordering::Less)
1447 || drop_cursor
1448 .end
1449 .cmp(&selection.end, &snapshot.buffer_snapshot())
1450 .eq(&Ordering::Greater))
1451 {
1452 let drag_cursor_layout = SelectionLayout::new(
1453 drop_cursor.clone(),
1454 false,
1455 CursorShape::Bar,
1456 &snapshot.display_snapshot,
1457 false,
1458 false,
1459 None,
1460 );
1461 let absent_color = cx.theme().players().absent();
1462 selections.push((absent_color, vec![drag_cursor_layout]));
1463 }
1464 }
1465
1466 if let Some(collaboration_hub) = &editor.collaboration_hub {
1467 // When following someone, render the local selections in their color.
1468 if let Some(leader_id) = editor.leader_id {
1469 match leader_id {
1470 CollaboratorId::PeerId(peer_id) => {
1471 if let Some(collaborator) =
1472 collaboration_hub.collaborators(cx).get(&peer_id)
1473 && let Some(participant_index) = collaboration_hub
1474 .user_participant_indices(cx)
1475 .get(&collaborator.user_id)
1476 && let Some((local_selection_style, _)) = selections.first_mut()
1477 {
1478 *local_selection_style = cx
1479 .theme()
1480 .players()
1481 .color_for_participant(participant_index.0);
1482 }
1483 }
1484 CollaboratorId::Agent => {
1485 if let Some((local_selection_style, _)) = selections.first_mut() {
1486 *local_selection_style = cx.theme().players().agent();
1487 }
1488 }
1489 }
1490 }
1491
1492 let mut remote_selections = HashMap::default();
1493 for selection in snapshot.remote_selections_in_range(
1494 &(start_anchor..end_anchor),
1495 collaboration_hub.as_ref(),
1496 cx,
1497 ) {
1498 // Don't re-render the leader's selections, since the local selections
1499 // match theirs.
1500 if Some(selection.collaborator_id) == editor.leader_id {
1501 continue;
1502 }
1503 let key = HoveredCursor {
1504 replica_id: selection.replica_id,
1505 selection_id: selection.selection.id,
1506 };
1507
1508 let is_shown =
1509 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1510
1511 remote_selections
1512 .entry(selection.replica_id)
1513 .or_insert((selection.color, Vec::new()))
1514 .1
1515 .push(SelectionLayout::new(
1516 selection.selection,
1517 selection.line_mode,
1518 selection.cursor_shape,
1519 &snapshot.display_snapshot,
1520 false,
1521 false,
1522 if is_shown { selection.user_name } else { None },
1523 ));
1524 }
1525
1526 selections.extend(remote_selections.into_values());
1527 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1528 let layouts = snapshot
1529 .buffer_snapshot()
1530 .selections_in_range(&(start_anchor..end_anchor), true)
1531 .map(move |(_, line_mode, cursor_shape, selection)| {
1532 SelectionLayout::new(
1533 selection,
1534 line_mode,
1535 cursor_shape,
1536 &snapshot.display_snapshot,
1537 false,
1538 false,
1539 None,
1540 )
1541 })
1542 .collect::<Vec<_>>();
1543 let player = editor.current_user_player_color(cx);
1544 selections.push((player, layouts));
1545 }
1546 });
1547
1548 #[cfg(debug_assertions)]
1549 Self::layout_debug_ranges(
1550 &mut selections,
1551 start_anchor..end_anchor,
1552 &snapshot.display_snapshot,
1553 cx,
1554 );
1555
1556 (selections, active_rows, newest_selection_head)
1557 }
1558
1559 fn collect_cursors(
1560 &self,
1561 snapshot: &EditorSnapshot,
1562 cx: &mut App,
1563 ) -> Vec<(DisplayPoint, Hsla)> {
1564 let editor = self.editor.read(cx);
1565 let mut cursors = Vec::new();
1566 let mut skip_local = false;
1567 let mut add_cursor = |anchor: Anchor, color| {
1568 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1569 };
1570 // Remote cursors
1571 if let Some(collaboration_hub) = &editor.collaboration_hub {
1572 for remote_selection in snapshot.remote_selections_in_range(
1573 &(Anchor::min()..Anchor::max()),
1574 collaboration_hub.deref(),
1575 cx,
1576 ) {
1577 add_cursor(
1578 remote_selection.selection.head(),
1579 remote_selection.color.cursor,
1580 );
1581 if Some(remote_selection.collaborator_id) == editor.leader_id {
1582 skip_local = true;
1583 }
1584 }
1585 }
1586 // Local cursors
1587 if !skip_local {
1588 let color = cx.theme().players().local().cursor;
1589 editor
1590 .selections
1591 .disjoint_anchors()
1592 .iter()
1593 .for_each(|selection| {
1594 add_cursor(selection.head(), color);
1595 });
1596 if let Some(ref selection) = editor.selections.pending_anchor() {
1597 add_cursor(selection.head(), color);
1598 }
1599 }
1600 cursors
1601 }
1602
1603 fn layout_visible_cursors(
1604 &self,
1605 snapshot: &EditorSnapshot,
1606 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1607 row_block_types: &HashMap<DisplayRow, bool>,
1608 visible_display_row_range: Range<DisplayRow>,
1609 line_layouts: &[LineWithInvisibles],
1610 text_hitbox: &Hitbox,
1611 content_origin: gpui::Point<Pixels>,
1612 scroll_position: gpui::Point<ScrollOffset>,
1613 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1614 line_height: Pixels,
1615 em_width: Pixels,
1616 em_advance: Pixels,
1617 autoscroll_containing_element: bool,
1618 window: &mut Window,
1619 cx: &mut App,
1620 ) -> Vec<CursorLayout> {
1621 let mut autoscroll_bounds = None;
1622 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1623 let mut cursors = Vec::new();
1624
1625 let show_local_cursors = editor.show_local_cursors(window, cx);
1626
1627 for (player_color, selections) in selections {
1628 for selection in selections {
1629 let cursor_position = selection.head;
1630
1631 let in_range = visible_display_row_range.contains(&cursor_position.row());
1632 if (selection.is_local && !show_local_cursors)
1633 || !in_range
1634 || row_block_types.get(&cursor_position.row()) == Some(&true)
1635 {
1636 continue;
1637 }
1638
1639 let cursor_row_layout = &line_layouts
1640 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1641 let cursor_column = cursor_position.column() as usize;
1642
1643 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1644 let mut block_width =
1645 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1646 if block_width == Pixels::ZERO {
1647 block_width = em_advance;
1648 }
1649 let block_text = if let CursorShape::Block = selection.cursor_shape {
1650 snapshot
1651 .grapheme_at(cursor_position)
1652 .or_else(|| {
1653 if snapshot.is_empty() {
1654 snapshot.placeholder_text().and_then(|s| {
1655 s.graphemes(true).next().map(|s| s.to_string().into())
1656 })
1657 } else {
1658 None
1659 }
1660 })
1661 .map(|text| {
1662 let len = text.len();
1663
1664 let mut font = cursor_row_layout
1665 .font_id_for_index(cursor_column)
1666 .and_then(|cursor_font_id| {
1667 window.text_system().get_font_for_id(cursor_font_id)
1668 })
1669 .unwrap_or(self.style.text.font());
1670 font.features = self.style.text.font_features.clone();
1671
1672 // Invert the text color for the block cursor. Ensure that the text
1673 // color is opaque enough to be visible against the background color.
1674 //
1675 // 0.75 is an arbitrary threshold to determine if the background color is
1676 // opaque enough to use as a text color.
1677 //
1678 // TODO: In the future we should ensure themes have a `text_inverse` color.
1679 let color = if cx.theme().colors().editor_background.a < 0.75 {
1680 match cx.theme().appearance {
1681 Appearance::Dark => Hsla::black(),
1682 Appearance::Light => Hsla::white(),
1683 }
1684 } else {
1685 cx.theme().colors().editor_background
1686 };
1687
1688 window.text_system().shape_line(
1689 text,
1690 cursor_row_layout.font_size,
1691 &[TextRun {
1692 len,
1693 font,
1694 color,
1695 background_color: None,
1696 strikethrough: None,
1697 underline: None,
1698 }],
1699 None,
1700 )
1701 })
1702 } else {
1703 None
1704 };
1705
1706 let x = cursor_character_x - scroll_pixel_position.x.into();
1707 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1708 * ScrollPixelOffset::from(line_height))
1709 .into();
1710 if selection.is_newest {
1711 editor.pixel_position_of_newest_cursor = Some(point(
1712 text_hitbox.origin.x + x + block_width / 2.,
1713 text_hitbox.origin.y + y + line_height / 2.,
1714 ));
1715
1716 if autoscroll_containing_element {
1717 let top = text_hitbox.origin.y
1718 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1719 .max(0.)
1720 * ScrollPixelOffset::from(line_height))
1721 .into();
1722 let left = text_hitbox.origin.x
1723 + ((cursor_position.column() as ScrollOffset
1724 - scroll_position.x
1725 - 3.)
1726 .max(0.)
1727 * ScrollPixelOffset::from(em_width))
1728 .into();
1729
1730 let bottom = text_hitbox.origin.y
1731 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1732 * ScrollPixelOffset::from(line_height))
1733 .into();
1734 let right = text_hitbox.origin.x
1735 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1736 + 4.)
1737 * ScrollPixelOffset::from(em_width))
1738 .into();
1739
1740 autoscroll_bounds =
1741 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1742 }
1743 }
1744
1745 let mut cursor = CursorLayout {
1746 color: player_color.cursor,
1747 block_width,
1748 origin: point(x, y),
1749 line_height,
1750 shape: selection.cursor_shape,
1751 block_text,
1752 cursor_name: None,
1753 };
1754 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1755 string: name,
1756 color: self.style.background,
1757 is_top_row: cursor_position.row().0 == 0,
1758 });
1759 cursor.layout(content_origin, cursor_name, window, cx);
1760 cursors.push(cursor);
1761 }
1762 }
1763
1764 cursors
1765 });
1766
1767 if let Some(bounds) = autoscroll_bounds {
1768 window.request_autoscroll(bounds);
1769 }
1770
1771 cursor_layouts
1772 }
1773
1774 fn layout_scrollbars(
1775 &self,
1776 snapshot: &EditorSnapshot,
1777 scrollbar_layout_information: &ScrollbarLayoutInformation,
1778 content_offset: gpui::Point<Pixels>,
1779 scroll_position: gpui::Point<ScrollOffset>,
1780 non_visible_cursors: bool,
1781 right_margin: Pixels,
1782 editor_width: Pixels,
1783 window: &mut Window,
1784 cx: &mut App,
1785 ) -> Option<EditorScrollbars> {
1786 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1787 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1788 || self.style.scrollbar_width.is_zero()
1789 {
1790 return None;
1791 }
1792
1793 // If a drag took place after we started dragging the scrollbar,
1794 // cancel the scrollbar drag.
1795 if cx.has_active_drag() {
1796 self.editor.update(cx, |editor, cx| {
1797 editor.scroll_manager.reset_scrollbar_state(cx)
1798 });
1799 }
1800
1801 let editor_settings = EditorSettings::get_global(cx);
1802 let scrollbar_settings = editor_settings.scrollbar;
1803 let show_scrollbars = match scrollbar_settings.show {
1804 ShowScrollbar::Auto => {
1805 let editor = self.editor.read(cx);
1806 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1807 // Git
1808 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1809 ||
1810 // Buffer Search Results
1811 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1812 ||
1813 // Selected Text Occurrences
1814 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1815 ||
1816 // Selected Symbol Occurrences
1817 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1818 ||
1819 // Diagnostics
1820 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1821 ||
1822 // Cursors out of sight
1823 non_visible_cursors
1824 ||
1825 // Scrollmanager
1826 editor.scroll_manager.scrollbars_visible()
1827 }
1828 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1829 ShowScrollbar::Always => true,
1830 ShowScrollbar::Never => return None,
1831 };
1832
1833 // The horizontal scrollbar is usually slightly offset to align nicely with
1834 // indent guides. However, this offset is not needed if indent guides are
1835 // disabled for the current editor.
1836 let content_offset = self
1837 .editor
1838 .read(cx)
1839 .show_indent_guides
1840 .is_none_or(|should_show| should_show)
1841 .then_some(content_offset)
1842 .unwrap_or_default();
1843
1844 Some(EditorScrollbars::from_scrollbar_axes(
1845 ScrollbarAxes {
1846 horizontal: scrollbar_settings.axes.horizontal
1847 && self.editor.read(cx).show_scrollbars.horizontal,
1848 vertical: scrollbar_settings.axes.vertical
1849 && self.editor.read(cx).show_scrollbars.vertical,
1850 },
1851 scrollbar_layout_information,
1852 content_offset,
1853 scroll_position,
1854 self.style.scrollbar_width,
1855 right_margin,
1856 editor_width,
1857 show_scrollbars,
1858 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1859 window,
1860 ))
1861 }
1862
1863 fn layout_minimap(
1864 &self,
1865 snapshot: &EditorSnapshot,
1866 minimap_width: Pixels,
1867 scroll_position: gpui::Point<f64>,
1868 scrollbar_layout_information: &ScrollbarLayoutInformation,
1869 scrollbar_layout: Option<&EditorScrollbars>,
1870 window: &mut Window,
1871 cx: &mut App,
1872 ) -> Option<MinimapLayout> {
1873 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1874
1875 let minimap_settings = EditorSettings::get_global(cx).minimap;
1876
1877 if minimap_settings.on_active_editor() {
1878 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1879 ws.read(cx)
1880 .active_pane()
1881 .read(cx)
1882 .active_item()
1883 .and_then(|i| i.act_as::<Editor>(cx))
1884 });
1885 if active_editor.is_some_and(|e| e != self.editor) {
1886 return None;
1887 }
1888 }
1889
1890 if !snapshot.mode.is_full()
1891 || minimap_width.is_zero()
1892 || matches!(
1893 minimap_settings.show,
1894 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1895 )
1896 {
1897 return None;
1898 }
1899
1900 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1901
1902 let ScrollbarLayoutInformation {
1903 editor_bounds,
1904 scroll_range,
1905 glyph_grid_cell,
1906 } = scrollbar_layout_information;
1907
1908 let line_height = glyph_grid_cell.height;
1909 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1910
1911 let top_right_anchor = scrollbar_layout
1912 .and_then(|layout| layout.vertical.as_ref())
1913 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1914 .unwrap_or_else(|| editor_bounds.top_right());
1915
1916 let thumb_state = self
1917 .editor
1918 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1919
1920 let show_thumb = match minimap_settings.thumb {
1921 MinimapThumb::Always => true,
1922 MinimapThumb::Hover => thumb_state.is_some(),
1923 };
1924
1925 let minimap_bounds = Bounds::from_corner_and_size(
1926 Corner::TopRight,
1927 top_right_anchor,
1928 size(minimap_width, editor_bounds.size.height),
1929 );
1930 let minimap_line_height = self.get_minimap_line_height(
1931 minimap_editor
1932 .read(cx)
1933 .text_style_refinement
1934 .as_ref()
1935 .and_then(|refinement| refinement.font_size)
1936 .unwrap_or(MINIMAP_FONT_SIZE),
1937 window,
1938 cx,
1939 );
1940 let minimap_height = minimap_bounds.size.height;
1941
1942 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1943 let total_editor_lines = (scroll_range.height / line_height) as f64;
1944 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1945
1946 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1947 total_editor_lines,
1948 visible_editor_lines,
1949 minimap_lines,
1950 scroll_position,
1951 );
1952
1953 let layout = ScrollbarLayout::for_minimap(
1954 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1955 visible_editor_lines,
1956 total_editor_lines,
1957 minimap_line_height,
1958 scroll_position,
1959 minimap_scroll_top,
1960 show_thumb,
1961 )
1962 .with_thumb_state(thumb_state);
1963
1964 minimap_editor.update(cx, |editor, cx| {
1965 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1966 });
1967
1968 // Required for the drop shadow to be visible
1969 const PADDING_OFFSET: Pixels = px(4.);
1970
1971 let mut minimap = div()
1972 .size_full()
1973 .shadow_xs()
1974 .px(PADDING_OFFSET)
1975 .child(minimap_editor)
1976 .into_any_element();
1977
1978 let extended_bounds = minimap_bounds.extend(Edges {
1979 right: PADDING_OFFSET,
1980 left: PADDING_OFFSET,
1981 ..Default::default()
1982 });
1983 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1984 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1985 minimap.prepaint(window, cx)
1986 });
1987
1988 Some(MinimapLayout {
1989 minimap,
1990 thumb_layout: layout,
1991 thumb_border_style: minimap_settings.thumb_border,
1992 minimap_line_height,
1993 minimap_scroll_top,
1994 max_scroll_top: total_editor_lines,
1995 })
1996 }
1997
1998 fn get_minimap_line_height(
1999 &self,
2000 font_size: AbsoluteLength,
2001 window: &mut Window,
2002 cx: &mut App,
2003 ) -> Pixels {
2004 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2005 let mut text_style = self.style.text.clone();
2006 text_style.font_size = font_size;
2007 text_style.line_height_in_pixels(rem_size)
2008 }
2009
2010 fn get_minimap_width(
2011 &self,
2012 minimap_settings: &Minimap,
2013 scrollbars_shown: bool,
2014 text_width: Pixels,
2015 em_width: Pixels,
2016 font_size: Pixels,
2017 rem_size: Pixels,
2018 cx: &App,
2019 ) -> Option<Pixels> {
2020 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2021 return None;
2022 }
2023
2024 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2025 editor.minimap().map(|minimap_editor| {
2026 minimap_editor
2027 .read(cx)
2028 .text_style_refinement
2029 .as_ref()
2030 .and_then(|refinement| refinement.font_size)
2031 .unwrap_or(MINIMAP_FONT_SIZE)
2032 })
2033 })?;
2034
2035 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2036
2037 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2038 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2039
2040 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2041 .then_some(minimap_width)
2042 }
2043
2044 fn prepaint_crease_toggles(
2045 &self,
2046 crease_toggles: &mut [Option<AnyElement>],
2047 line_height: Pixels,
2048 gutter_dimensions: &GutterDimensions,
2049 gutter_settings: crate::editor_settings::Gutter,
2050 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2051 gutter_hitbox: &Hitbox,
2052 window: &mut Window,
2053 cx: &mut App,
2054 ) {
2055 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2056 if let Some(crease_toggle) = crease_toggle {
2057 debug_assert!(gutter_settings.folds);
2058 let available_space = size(
2059 AvailableSpace::MinContent,
2060 AvailableSpace::Definite(line_height * 0.55),
2061 );
2062 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2063
2064 let position = point(
2065 gutter_dimensions.width - gutter_dimensions.right_padding,
2066 ix as f32 * line_height
2067 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2068 );
2069 let centering_offset = point(
2070 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2071 (line_height - crease_toggle_size.height) / 2.,
2072 );
2073 let origin = gutter_hitbox.origin + position + centering_offset;
2074 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2075 }
2076 }
2077 }
2078
2079 fn prepaint_expand_toggles(
2080 &self,
2081 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2082 window: &mut Window,
2083 cx: &mut App,
2084 ) {
2085 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2086 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2087 expand_toggle.layout_as_root(available_space, window, cx);
2088 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2089 }
2090 }
2091
2092 fn prepaint_crease_trailers(
2093 &self,
2094 trailers: Vec<Option<AnyElement>>,
2095 lines: &[LineWithInvisibles],
2096 line_height: Pixels,
2097 content_origin: gpui::Point<Pixels>,
2098 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2099 em_width: Pixels,
2100 window: &mut Window,
2101 cx: &mut App,
2102 ) -> Vec<Option<CreaseTrailerLayout>> {
2103 trailers
2104 .into_iter()
2105 .enumerate()
2106 .map(|(ix, element)| {
2107 let mut element = element?;
2108 let available_space = size(
2109 AvailableSpace::MinContent,
2110 AvailableSpace::Definite(line_height),
2111 );
2112 let size = element.layout_as_root(available_space, window, cx);
2113
2114 let line = &lines[ix];
2115 let padding = if line.width == Pixels::ZERO {
2116 Pixels::ZERO
2117 } else {
2118 4. * em_width
2119 };
2120 let position = point(
2121 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2122 ix as f32 * line_height
2123 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2124 );
2125 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2126 let origin = content_origin + position + centering_offset;
2127 element.prepaint_as_root(origin, available_space, window, cx);
2128 Some(CreaseTrailerLayout {
2129 element,
2130 bounds: Bounds::new(origin, size),
2131 })
2132 })
2133 .collect()
2134 }
2135
2136 // Folds contained in a hunk are ignored apart from shrinking visual size
2137 // If a fold contains any hunks then that fold line is marked as modified
2138 fn layout_gutter_diff_hunks(
2139 &self,
2140 line_height: Pixels,
2141 gutter_hitbox: &Hitbox,
2142 display_rows: Range<DisplayRow>,
2143 snapshot: &EditorSnapshot,
2144 window: &mut Window,
2145 cx: &mut App,
2146 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2147 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2148 let mut display_hunks = snapshot
2149 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2150 .map(|hunk| (hunk, None))
2151 .collect::<Vec<_>>();
2152 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2153 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2154 for (hunk, hitbox) in &mut display_hunks {
2155 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2156 let hunk_bounds =
2157 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2158 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2159 }
2160 }
2161 }
2162
2163 display_hunks
2164 }
2165
2166 fn layout_inline_diagnostics(
2167 &self,
2168 line_layouts: &[LineWithInvisibles],
2169 crease_trailers: &[Option<CreaseTrailerLayout>],
2170 row_block_types: &HashMap<DisplayRow, bool>,
2171 content_origin: gpui::Point<Pixels>,
2172 scroll_position: gpui::Point<ScrollOffset>,
2173 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2174 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2175 start_row: DisplayRow,
2176 end_row: DisplayRow,
2177 line_height: Pixels,
2178 em_width: Pixels,
2179 style: &EditorStyle,
2180 window: &mut Window,
2181 cx: &mut App,
2182 ) -> HashMap<DisplayRow, AnyElement> {
2183 let max_severity = match self
2184 .editor
2185 .read(cx)
2186 .inline_diagnostics_enabled()
2187 .then(|| {
2188 ProjectSettings::get_global(cx)
2189 .diagnostics
2190 .inline
2191 .max_severity
2192 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2193 .into_lsp()
2194 })
2195 .flatten()
2196 {
2197 Some(max_severity) => max_severity,
2198 None => return HashMap::default(),
2199 };
2200
2201 let active_diagnostics_group =
2202 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2203 Some(group.group_id)
2204 } else {
2205 None
2206 };
2207
2208 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2209 let snapshot = editor.snapshot(window, cx);
2210 editor
2211 .inline_diagnostics
2212 .iter()
2213 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2214 .filter(|(_, diagnostic)| match active_diagnostics_group {
2215 Some(active_diagnostics_group) => {
2216 // Active diagnostics are all shown in the editor already, no need to display them inline
2217 diagnostic.group_id != active_diagnostics_group
2218 }
2219 None => true,
2220 })
2221 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2222 .skip_while(|(point, _)| point.row() < start_row)
2223 .take_while(|(point, _)| point.row() < end_row)
2224 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2225 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2226 acc.entry(point.row())
2227 .or_insert_with(Vec::new)
2228 .push(diagnostic);
2229 acc
2230 })
2231 });
2232
2233 if diagnostics_by_rows.is_empty() {
2234 return HashMap::default();
2235 }
2236
2237 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2238 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2239 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2240 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2241 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2242 _ => Color::Error,
2243 };
2244
2245 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2246 let min_x = self.column_pixels(
2247 ProjectSettings::get_global(cx)
2248 .diagnostics
2249 .inline
2250 .min_column as usize,
2251 window,
2252 );
2253
2254 let mut elements = HashMap::default();
2255 for (row, mut diagnostics) in diagnostics_by_rows {
2256 diagnostics.sort_by_key(|diagnostic| {
2257 (
2258 diagnostic.severity,
2259 std::cmp::Reverse(diagnostic.is_primary),
2260 diagnostic.start.row,
2261 diagnostic.start.column,
2262 )
2263 });
2264
2265 let Some(diagnostic_to_render) = diagnostics
2266 .iter()
2267 .find(|diagnostic| diagnostic.is_primary)
2268 .or_else(|| diagnostics.first())
2269 else {
2270 continue;
2271 };
2272
2273 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2274
2275 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2276 let pos_x = {
2277 let crease_trailer_layout = &crease_trailers[window_ix];
2278 let line_layout = &line_layouts[window_ix];
2279
2280 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2281 crease_trailer.bounds.right()
2282 } else {
2283 Pixels::from(
2284 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2285 - scroll_pixel_position.x,
2286 )
2287 };
2288
2289 let padded_line = line_end + padding;
2290 let min_start = Pixels::from(
2291 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2292 );
2293
2294 cmp::max(padded_line, min_start)
2295 };
2296
2297 let behind_edit_prediction_popover = edit_prediction_popover_origin
2298 .as_ref()
2299 .is_some_and(|edit_prediction_popover_origin| {
2300 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2301 });
2302 let opacity = if behind_edit_prediction_popover {
2303 0.5
2304 } else {
2305 1.0
2306 };
2307
2308 let mut element = h_flex()
2309 .id(("diagnostic", row.0))
2310 .h(line_height)
2311 .w_full()
2312 .px_1()
2313 .rounded_xs()
2314 .opacity(opacity)
2315 .bg(severity_to_color(&diagnostic_to_render.severity)
2316 .color(cx)
2317 .opacity(0.05))
2318 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2319 .text_sm()
2320 .font_family(style.text.font().family)
2321 .child(diagnostic_to_render.message.clone())
2322 .into_any();
2323
2324 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2325
2326 elements.insert(row, element);
2327 }
2328
2329 elements
2330 }
2331
2332 fn layout_inline_code_actions(
2333 &self,
2334 display_point: DisplayPoint,
2335 content_origin: gpui::Point<Pixels>,
2336 scroll_position: gpui::Point<ScrollOffset>,
2337 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2338 line_height: Pixels,
2339 snapshot: &EditorSnapshot,
2340 window: &mut Window,
2341 cx: &mut App,
2342 ) -> Option<AnyElement> {
2343 if !snapshot
2344 .show_code_actions
2345 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2346 {
2347 return None;
2348 }
2349
2350 let icon_size = ui::IconSize::XSmall;
2351 let mut button = self.editor.update(cx, |editor, cx| {
2352 editor.available_code_actions.as_ref()?;
2353 let active = editor
2354 .context_menu
2355 .borrow()
2356 .as_ref()
2357 .and_then(|menu| {
2358 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2359 deployed_from,
2360 ..
2361 }) = menu
2362 {
2363 deployed_from.as_ref()
2364 } else {
2365 None
2366 }
2367 })
2368 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2369 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2370 })?;
2371
2372 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2373
2374 // do not show code action for folded line
2375 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2376 return None;
2377 }
2378
2379 // do not show code action for blank line with cursor
2380 let line_indent = snapshot
2381 .display_snapshot
2382 .buffer_snapshot()
2383 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2384 if line_indent.is_line_blank() {
2385 return None;
2386 }
2387
2388 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2389 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2390
2391 let excerpt_id = snapshot
2392 .display_snapshot
2393 .buffer_snapshot()
2394 .excerpt_containing(buffer_point..buffer_point)
2395 .map(|excerpt| excerpt.id());
2396
2397 let is_valid_row = |row_candidate: u32| -> bool {
2398 // move to other row if folded row
2399 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2400 return false;
2401 }
2402 if buffer_point.row == row_candidate {
2403 // move to other row if cursor is in slot
2404 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2405 return false;
2406 }
2407 } else {
2408 let candidate_point = MultiBufferPoint {
2409 row: row_candidate,
2410 column: 0,
2411 };
2412 let candidate_excerpt_id = snapshot
2413 .display_snapshot
2414 .buffer_snapshot()
2415 .excerpt_containing(candidate_point..candidate_point)
2416 .map(|excerpt| excerpt.id());
2417 // move to other row if different excerpt
2418 if excerpt_id != candidate_excerpt_id {
2419 return false;
2420 }
2421 }
2422 let line_indent = snapshot
2423 .display_snapshot
2424 .buffer_snapshot()
2425 .line_indent_for_row(MultiBufferRow(row_candidate));
2426 // use this row if it's blank
2427 if line_indent.is_line_blank() {
2428 true
2429 } else {
2430 // use this row if code starts after slot
2431 let indent_size = snapshot
2432 .display_snapshot
2433 .buffer_snapshot()
2434 .indent_size_for_line(MultiBufferRow(row_candidate));
2435 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2436 }
2437 };
2438
2439 let new_buffer_row = if is_valid_row(buffer_point.row) {
2440 Some(buffer_point.row)
2441 } else {
2442 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2443 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2444 let row_above = buffer_point.row.saturating_sub(offset);
2445 let row_below = buffer_point.row + offset;
2446 if row_above != buffer_point.row && is_valid_row(row_above) {
2447 Some(row_above)
2448 } else if row_below <= max_row && is_valid_row(row_below) {
2449 Some(row_below)
2450 } else {
2451 None
2452 }
2453 })
2454 }?;
2455
2456 let new_display_row = snapshot
2457 .display_snapshot
2458 .point_to_display_point(
2459 Point {
2460 row: new_buffer_row,
2461 column: buffer_point.column,
2462 },
2463 text::Bias::Left,
2464 )
2465 .row();
2466
2467 let start_y = content_origin.y
2468 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2469 + (line_height / 2.0)
2470 - (icon_size.square(window, cx) / 2.);
2471 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2472 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2473 .into();
2474
2475 let absolute_offset = gpui::point(start_x, start_y);
2476 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2477 button.prepaint_as_root(
2478 absolute_offset,
2479 gpui::AvailableSpace::min_size(),
2480 window,
2481 cx,
2482 );
2483 Some(button)
2484 }
2485
2486 fn layout_inline_blame(
2487 &self,
2488 display_row: DisplayRow,
2489 row_info: &RowInfo,
2490 line_layout: &LineWithInvisibles,
2491 crease_trailer: Option<&CreaseTrailerLayout>,
2492 em_width: Pixels,
2493 content_origin: gpui::Point<Pixels>,
2494 scroll_position: gpui::Point<ScrollOffset>,
2495 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2496 line_height: Pixels,
2497 text_hitbox: &Hitbox,
2498 window: &mut Window,
2499 cx: &mut App,
2500 ) -> Option<InlineBlameLayout> {
2501 if !self
2502 .editor
2503 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2504 {
2505 return None;
2506 }
2507
2508 let editor = self.editor.read(cx);
2509 let blame = editor.blame.clone()?;
2510 let padding = {
2511 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2512
2513 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2514
2515 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2516 && let EditPrediction::Edit {
2517 display_mode: EditDisplayMode::TabAccept,
2518 ..
2519 } = &edit_prediction.completion
2520 {
2521 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2522 }
2523
2524 padding * em_width
2525 };
2526
2527 let (buffer_id, entry) = blame
2528 .update(cx, |blame, cx| {
2529 blame.blame_for_rows(&[*row_info], cx).next()
2530 })
2531 .flatten()?;
2532
2533 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2534
2535 let start_y =
2536 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2537
2538 let start_x = {
2539 let line_end = if let Some(crease_trailer) = crease_trailer {
2540 crease_trailer.bounds.right()
2541 } else {
2542 Pixels::from(
2543 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2544 - scroll_pixel_position.x,
2545 )
2546 };
2547
2548 let padded_line_end = line_end + padding;
2549
2550 let min_column_in_pixels = self.column_pixels(
2551 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2552 window,
2553 );
2554 let min_start = Pixels::from(
2555 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2556 - scroll_pixel_position.x,
2557 );
2558
2559 cmp::max(padded_line_end, min_start)
2560 };
2561
2562 let absolute_offset = point(start_x, start_y);
2563 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2564 let bounds = Bounds::new(absolute_offset, size);
2565
2566 self.layout_blame_entry_popover(
2567 entry.clone(),
2568 blame,
2569 line_height,
2570 text_hitbox,
2571 row_info.buffer_id?,
2572 window,
2573 cx,
2574 );
2575
2576 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2577
2578 Some(InlineBlameLayout {
2579 element,
2580 bounds,
2581 buffer_id,
2582 entry,
2583 })
2584 }
2585
2586 fn layout_blame_entry_popover(
2587 &self,
2588 blame_entry: BlameEntry,
2589 blame: Entity<GitBlame>,
2590 line_height: Pixels,
2591 text_hitbox: &Hitbox,
2592 buffer: BufferId,
2593 window: &mut Window,
2594 cx: &mut App,
2595 ) {
2596 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2597 editor
2598 .inline_blame_popover
2599 .as_ref()
2600 .map(|state| (state.popover_state.clone(), state.position))
2601 }) else {
2602 return;
2603 };
2604
2605 let workspace = self
2606 .editor
2607 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2608
2609 let maybe_element = workspace.and_then(|workspace| {
2610 render_blame_entry_popover(
2611 blame_entry,
2612 popover_state.scroll_handle,
2613 popover_state.commit_message,
2614 popover_state.markdown,
2615 workspace,
2616 &blame,
2617 buffer,
2618 window,
2619 cx,
2620 )
2621 });
2622
2623 if let Some(mut element) = maybe_element {
2624 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2625 let overall_height = size.height + HOVER_POPOVER_GAP;
2626 let popover_origin = if target_point.y > overall_height {
2627 point(target_point.x, target_point.y - size.height)
2628 } else {
2629 point(
2630 target_point.x,
2631 target_point.y + line_height + HOVER_POPOVER_GAP,
2632 )
2633 };
2634
2635 let horizontal_offset = (text_hitbox.top_right().x
2636 - POPOVER_RIGHT_OFFSET
2637 - (popover_origin.x + size.width))
2638 .min(Pixels::ZERO);
2639
2640 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2641 let popover_bounds = Bounds::new(origin, size);
2642
2643 self.editor.update(cx, |editor, _| {
2644 if let Some(state) = &mut editor.inline_blame_popover {
2645 state.popover_bounds = Some(popover_bounds);
2646 }
2647 });
2648
2649 window.defer_draw(element, origin, 2);
2650 }
2651 }
2652
2653 fn layout_blame_entries(
2654 &self,
2655 buffer_rows: &[RowInfo],
2656 em_width: Pixels,
2657 scroll_position: gpui::Point<ScrollOffset>,
2658 line_height: Pixels,
2659 gutter_hitbox: &Hitbox,
2660 max_width: Option<Pixels>,
2661 window: &mut Window,
2662 cx: &mut App,
2663 ) -> Option<Vec<AnyElement>> {
2664 if !self
2665 .editor
2666 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2667 {
2668 return None;
2669 }
2670
2671 let blame = self.editor.read(cx).blame.clone()?;
2672 let workspace = self.editor.read(cx).workspace()?;
2673 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2674 blame.blame_for_rows(buffer_rows, cx).collect()
2675 });
2676
2677 let width = if let Some(max_width) = max_width {
2678 AvailableSpace::Definite(max_width)
2679 } else {
2680 AvailableSpace::MaxContent
2681 };
2682 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2683 let start_x = em_width;
2684
2685 let mut last_used_color: Option<(Hsla, Oid)> = None;
2686 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2687
2688 let shaped_lines = blamed_rows
2689 .into_iter()
2690 .enumerate()
2691 .flat_map(|(ix, blame_entry)| {
2692 let (buffer_id, blame_entry) = blame_entry?;
2693 let mut element = render_blame_entry(
2694 ix,
2695 &blame,
2696 blame_entry,
2697 &self.style,
2698 &mut last_used_color,
2699 self.editor.clone(),
2700 workspace.clone(),
2701 buffer_id,
2702 &*blame_renderer,
2703 window,
2704 cx,
2705 )?;
2706
2707 let start_y = ix as f32 * line_height
2708 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2709 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2710
2711 element.prepaint_as_root(
2712 absolute_offset,
2713 size(width, AvailableSpace::MinContent),
2714 window,
2715 cx,
2716 );
2717
2718 Some(element)
2719 })
2720 .collect();
2721
2722 Some(shaped_lines)
2723 }
2724
2725 fn layout_indent_guides(
2726 &self,
2727 content_origin: gpui::Point<Pixels>,
2728 text_origin: gpui::Point<Pixels>,
2729 visible_buffer_range: Range<MultiBufferRow>,
2730 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2731 line_height: Pixels,
2732 snapshot: &DisplaySnapshot,
2733 window: &mut Window,
2734 cx: &mut App,
2735 ) -> Option<Vec<IndentGuideLayout>> {
2736 let indent_guides = self.editor.update(cx, |editor, cx| {
2737 editor.indent_guides(visible_buffer_range, snapshot, cx)
2738 })?;
2739
2740 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2741 editor
2742 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2743 .unwrap_or_default()
2744 });
2745
2746 Some(
2747 indent_guides
2748 .into_iter()
2749 .enumerate()
2750 .filter_map(|(i, indent_guide)| {
2751 let single_indent_width =
2752 self.column_pixels(indent_guide.tab_size as usize, window);
2753 let total_width = single_indent_width * indent_guide.depth as f32;
2754 let start_x = Pixels::from(
2755 ScrollOffset::from(content_origin.x + total_width)
2756 - scroll_pixel_position.x,
2757 );
2758 if start_x >= text_origin.x {
2759 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2760 indent_guide.start_row..indent_guide.end_row,
2761 line_height,
2762 snapshot,
2763 );
2764
2765 let start_y = Pixels::from(
2766 ScrollOffset::from(content_origin.y) + offset_y
2767 - scroll_pixel_position.y,
2768 );
2769
2770 Some(IndentGuideLayout {
2771 origin: point(start_x, start_y),
2772 length,
2773 single_indent_width,
2774 depth: indent_guide.depth,
2775 active: active_indent_guide_indices.contains(&i),
2776 settings: indent_guide.settings,
2777 })
2778 } else {
2779 None
2780 }
2781 })
2782 .collect(),
2783 )
2784 }
2785
2786 fn layout_wrap_guides(
2787 &self,
2788 em_advance: Pixels,
2789 scroll_position: gpui::Point<f64>,
2790 content_origin: gpui::Point<Pixels>,
2791 scrollbar_layout: Option<&EditorScrollbars>,
2792 vertical_scrollbar_width: Pixels,
2793 hitbox: &Hitbox,
2794 window: &Window,
2795 cx: &App,
2796 ) -> SmallVec<[(Pixels, bool); 2]> {
2797 let scroll_left = scroll_position.x as f32 * em_advance;
2798 let content_origin = content_origin.x;
2799 let horizontal_offset = content_origin - scroll_left;
2800 let vertical_scrollbar_width = scrollbar_layout
2801 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2802 .unwrap_or_default();
2803
2804 self.editor
2805 .read(cx)
2806 .wrap_guides(cx)
2807 .into_iter()
2808 .flat_map(|(guide, active)| {
2809 let wrap_position = self.column_pixels(guide, window);
2810 let wrap_guide_x = wrap_position + horizontal_offset;
2811 let display_wrap_guide = wrap_guide_x >= content_origin
2812 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2813
2814 display_wrap_guide.then_some((wrap_guide_x, active))
2815 })
2816 .collect()
2817 }
2818
2819 fn calculate_indent_guide_bounds(
2820 row_range: Range<MultiBufferRow>,
2821 line_height: Pixels,
2822 snapshot: &DisplaySnapshot,
2823 ) -> (f64, gpui::Pixels) {
2824 let start_point = Point::new(row_range.start.0, 0);
2825 let end_point = Point::new(row_range.end.0, 0);
2826
2827 let row_range = start_point.to_display_point(snapshot).row()
2828 ..end_point.to_display_point(snapshot).row();
2829
2830 let mut prev_line = start_point;
2831 prev_line.row = prev_line.row.saturating_sub(1);
2832 let prev_line = prev_line.to_display_point(snapshot).row();
2833
2834 let mut cons_line = end_point;
2835 cons_line.row += 1;
2836 let cons_line = cons_line.to_display_point(snapshot).row();
2837
2838 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2839 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2840
2841 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2842 if row_range.end == cons_line {
2843 length += line_height;
2844 }
2845
2846 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2847 // we want to extend the indent guide to the start of the block.
2848 let mut block_height = 0;
2849 let mut block_offset = 0;
2850 let mut found_excerpt_header = false;
2851 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2852 if matches!(
2853 block,
2854 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2855 ) {
2856 found_excerpt_header = true;
2857 break;
2858 }
2859 block_offset += block.height();
2860 block_height += block.height();
2861 }
2862 if !found_excerpt_header {
2863 offset_y -= block_offset as f64 * f64::from(line_height);
2864 length += block_height as f32 * line_height;
2865 }
2866
2867 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2868 // we want to ensure that the indent guide stops before the excerpt header.
2869 let mut block_height = 0;
2870 let mut found_excerpt_header = false;
2871 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2872 if matches!(
2873 block,
2874 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2875 ) {
2876 found_excerpt_header = true;
2877 }
2878 block_height += block.height();
2879 }
2880 if found_excerpt_header {
2881 length -= block_height as f32 * line_height;
2882 }
2883
2884 (offset_y, length)
2885 }
2886
2887 fn layout_breakpoints(
2888 &self,
2889 line_height: Pixels,
2890 range: Range<DisplayRow>,
2891 scroll_position: gpui::Point<ScrollOffset>,
2892 gutter_dimensions: &GutterDimensions,
2893 gutter_hitbox: &Hitbox,
2894 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2895 snapshot: &EditorSnapshot,
2896 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2897 row_infos: &[RowInfo],
2898 window: &mut Window,
2899 cx: &mut App,
2900 ) -> Vec<AnyElement> {
2901 self.editor.update(cx, |editor, cx| {
2902 breakpoints
2903 .into_iter()
2904 .filter_map(|(display_row, (text_anchor, bp, state))| {
2905 if row_infos
2906 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2907 .is_some_and(|row_info| {
2908 row_info.expand_info.is_some()
2909 || row_info
2910 .diff_status
2911 .is_some_and(|status| status.is_deleted())
2912 })
2913 {
2914 return None;
2915 }
2916
2917 if range.start > display_row || range.end < display_row {
2918 return None;
2919 }
2920
2921 let row =
2922 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2923 if snapshot.is_line_folded(row) {
2924 return None;
2925 }
2926
2927 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2928
2929 let button = prepaint_gutter_button(
2930 button,
2931 display_row,
2932 line_height,
2933 gutter_dimensions,
2934 scroll_position,
2935 gutter_hitbox,
2936 display_hunks,
2937 window,
2938 cx,
2939 );
2940 Some(button)
2941 })
2942 .collect_vec()
2943 })
2944 }
2945
2946 #[allow(clippy::too_many_arguments)]
2947 fn layout_run_indicators(
2948 &self,
2949 line_height: Pixels,
2950 range: Range<DisplayRow>,
2951 row_infos: &[RowInfo],
2952 scroll_position: gpui::Point<ScrollOffset>,
2953 gutter_dimensions: &GutterDimensions,
2954 gutter_hitbox: &Hitbox,
2955 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2956 snapshot: &EditorSnapshot,
2957 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2958 window: &mut Window,
2959 cx: &mut App,
2960 ) -> Vec<AnyElement> {
2961 self.editor.update(cx, |editor, cx| {
2962 let active_task_indicator_row =
2963 // TODO: add edit button on the right side of each row in the context menu
2964 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2965 deployed_from,
2966 actions,
2967 ..
2968 })) = editor.context_menu.borrow().as_ref()
2969 {
2970 actions
2971 .tasks()
2972 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2973 .or_else(|| match deployed_from {
2974 Some(CodeActionSource::Indicator(row)) => Some(*row),
2975 _ => None,
2976 })
2977 } else {
2978 None
2979 };
2980
2981 let offset_range_start =
2982 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2983
2984 let offset_range_end =
2985 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2986
2987 editor
2988 .tasks
2989 .iter()
2990 .filter_map(|(_, tasks)| {
2991 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2992 if multibuffer_point < offset_range_start
2993 || multibuffer_point > offset_range_end
2994 {
2995 return None;
2996 }
2997 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2998 let buffer_folded = snapshot
2999 .buffer_snapshot()
3000 .buffer_line_for_row(multibuffer_row)
3001 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3002 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3003 .unwrap_or(false);
3004 if buffer_folded {
3005 return None;
3006 }
3007
3008 if snapshot.is_line_folded(multibuffer_row) {
3009 // Skip folded indicators, unless it's the starting line of a fold.
3010 if multibuffer_row
3011 .0
3012 .checked_sub(1)
3013 .is_some_and(|previous_row| {
3014 snapshot.is_line_folded(MultiBufferRow(previous_row))
3015 })
3016 {
3017 return None;
3018 }
3019 }
3020
3021 let display_row = multibuffer_point.to_display_point(snapshot).row();
3022 if !range.contains(&display_row) {
3023 return None;
3024 }
3025 if row_infos
3026 .get((display_row - range.start).0 as usize)
3027 .is_some_and(|row_info| row_info.expand_info.is_some())
3028 {
3029 return None;
3030 }
3031
3032 let button = editor.render_run_indicator(
3033 &self.style,
3034 Some(display_row) == active_task_indicator_row,
3035 display_row,
3036 breakpoints.remove(&display_row),
3037 cx,
3038 );
3039
3040 let button = prepaint_gutter_button(
3041 button,
3042 display_row,
3043 line_height,
3044 gutter_dimensions,
3045 scroll_position,
3046 gutter_hitbox,
3047 display_hunks,
3048 window,
3049 cx,
3050 );
3051 Some(button)
3052 })
3053 .collect_vec()
3054 })
3055 }
3056
3057 fn layout_expand_toggles(
3058 &self,
3059 gutter_hitbox: &Hitbox,
3060 gutter_dimensions: GutterDimensions,
3061 em_width: Pixels,
3062 line_height: Pixels,
3063 scroll_position: gpui::Point<ScrollOffset>,
3064 buffer_rows: &[RowInfo],
3065 window: &mut Window,
3066 cx: &mut App,
3067 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3068 if self.editor.read(cx).disable_expand_excerpt_buttons {
3069 return vec![];
3070 }
3071
3072 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3073
3074 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3075
3076 let max_line_number_length = self
3077 .editor
3078 .read(cx)
3079 .buffer()
3080 .read(cx)
3081 .snapshot(cx)
3082 .widest_line_number()
3083 .ilog10()
3084 + 1;
3085
3086 let git_gutter_width = Self::gutter_strip_width(line_height)
3087 + gutter_dimensions
3088 .git_blame_entries_width
3089 .unwrap_or_default();
3090 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3091
3092 buffer_rows
3093 .iter()
3094 .enumerate()
3095 .map(|(ix, row_info)| {
3096 let ExpandInfo {
3097 excerpt_id,
3098 direction,
3099 } = row_info.expand_info?;
3100
3101 let icon_name = match direction {
3102 ExpandExcerptDirection::Up => IconName::ExpandUp,
3103 ExpandExcerptDirection::Down => IconName::ExpandDown,
3104 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3105 };
3106
3107 let editor = self.editor.clone();
3108 let is_wide = max_line_number_length
3109 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3110 && row_info
3111 .buffer_row
3112 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3113 || gutter_dimensions.right_padding == px(0.);
3114
3115 let width = if is_wide {
3116 available_width - px(2.)
3117 } else {
3118 available_width + em_width - px(2.)
3119 };
3120
3121 let toggle = IconButton::new(("expand", ix), icon_name)
3122 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3123 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3124 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3125 .width(width)
3126 .on_click(move |_, window, cx| {
3127 editor.update(cx, |editor, cx| {
3128 editor.expand_excerpt(excerpt_id, direction, window, cx);
3129 });
3130 })
3131 .tooltip(Tooltip::for_action_title(
3132 "Expand Excerpt",
3133 &crate::actions::ExpandExcerpts::default(),
3134 ))
3135 .into_any_element();
3136
3137 let position = point(
3138 git_gutter_width + px(1.),
3139 ix as f32 * line_height
3140 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3141 + px(1.),
3142 );
3143 let origin = gutter_hitbox.origin + position;
3144
3145 Some((toggle, origin))
3146 })
3147 .collect()
3148 }
3149
3150 fn calculate_relative_line_numbers(
3151 &self,
3152 buffer_rows: &[RowInfo],
3153 rows: &Range<DisplayRow>,
3154 relative_to: Option<DisplayRow>,
3155 count_wrapped_lines: bool,
3156 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3157 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3158 let Some(relative_to) = relative_to else {
3159 return relative_rows;
3160 };
3161
3162 let start = rows.start.min(relative_to);
3163
3164 let head_idx = relative_to.minus(start);
3165 let mut delta = 1;
3166 let mut i = head_idx + 1;
3167 let should_count_line = |row_info: &RowInfo| {
3168 if count_wrapped_lines {
3169 row_info.buffer_row.is_some() || row_info.wrapped_buffer_row.is_some()
3170 } else {
3171 row_info.buffer_row.is_some()
3172 }
3173 };
3174 while i < buffer_rows.len() as u32 {
3175 if should_count_line(&buffer_rows[i as usize]) {
3176 if rows.contains(&DisplayRow(i + start.0)) {
3177 relative_rows.insert(DisplayRow(i + start.0), delta);
3178 }
3179 delta += 1;
3180 }
3181 i += 1;
3182 }
3183 delta = 1;
3184 i = head_idx.min(buffer_rows.len() as u32 - 1);
3185 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !count_wrapped_lines {
3186 i -= 1;
3187 }
3188
3189 while i > 0 {
3190 i -= 1;
3191 if should_count_line(&buffer_rows[i as usize]) {
3192 if rows.contains(&DisplayRow(i + start.0)) {
3193 relative_rows.insert(DisplayRow(i + start.0), delta);
3194 }
3195 delta += 1;
3196 }
3197 }
3198
3199 relative_rows
3200 }
3201
3202 fn layout_line_numbers(
3203 &self,
3204 gutter_hitbox: Option<&Hitbox>,
3205 gutter_dimensions: GutterDimensions,
3206 line_height: Pixels,
3207 scroll_position: gpui::Point<ScrollOffset>,
3208 rows: Range<DisplayRow>,
3209 buffer_rows: &[RowInfo],
3210 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3211 newest_selection_head: Option<DisplayPoint>,
3212 snapshot: &EditorSnapshot,
3213 window: &mut Window,
3214 cx: &mut App,
3215 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3216 let include_line_numbers = snapshot
3217 .show_line_numbers
3218 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3219 if !include_line_numbers {
3220 return Arc::default();
3221 }
3222
3223 let (newest_selection_head, relative) = self.editor.update(cx, |editor, cx| {
3224 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3225 let newest = editor
3226 .selections
3227 .newest::<Point>(&editor.display_snapshot(cx));
3228 SelectionLayout::new(
3229 newest,
3230 editor.selections.line_mode(),
3231 editor.cursor_shape,
3232 &snapshot.display_snapshot,
3233 true,
3234 true,
3235 None,
3236 )
3237 .head
3238 });
3239 let relative = editor.relative_line_numbers(cx);
3240 (newest_selection_head, relative)
3241 });
3242
3243 let relative_to = if relative.enabled() {
3244 Some(newest_selection_head.row())
3245 } else {
3246 None
3247 };
3248 let relative_rows = self.calculate_relative_line_numbers(
3249 &buffer_rows,
3250 &rows,
3251 relative_to,
3252 relative.wrapped(),
3253 );
3254 let mut line_number = String::new();
3255 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3256 let display_row = DisplayRow(rows.start.0 + ix as u32);
3257 line_number.clear();
3258 let non_relative_number = if relative.wrapped() {
3259 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3260 } else {
3261 row_info.buffer_row? + 1
3262 };
3263 let number = relative_rows
3264 .get(&display_row)
3265 .unwrap_or(&non_relative_number);
3266 write!(&mut line_number, "{number}").unwrap();
3267 if row_info
3268 .diff_status
3269 .is_some_and(|status| status.is_deleted())
3270 {
3271 return None;
3272 }
3273
3274 let color = active_rows
3275 .get(&display_row)
3276 .map(|spec| {
3277 if spec.breakpoint {
3278 cx.theme().colors().debugger_accent
3279 } else {
3280 cx.theme().colors().editor_active_line_number
3281 }
3282 })
3283 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3284 let shaped_line =
3285 self.shape_line_number(SharedString::from(&line_number), color, window);
3286 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3287 let line_origin = gutter_hitbox.map(|hitbox| {
3288 hitbox.origin
3289 + point(
3290 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3291 ix as f32 * line_height
3292 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3293 )
3294 });
3295
3296 #[cfg(not(test))]
3297 let hitbox = line_origin.map(|line_origin| {
3298 window.insert_hitbox(
3299 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3300 HitboxBehavior::Normal,
3301 )
3302 });
3303 #[cfg(test)]
3304 let hitbox = {
3305 let _ = line_origin;
3306 None
3307 };
3308
3309 let segment = LineNumberSegment {
3310 shaped_line,
3311 hitbox,
3312 };
3313
3314 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3315 let multi_buffer_row = MultiBufferRow(buffer_row);
3316
3317 Some((multi_buffer_row, segment))
3318 });
3319
3320 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3321 for (buffer_row, segment) in segments {
3322 line_numbers
3323 .entry(buffer_row)
3324 .or_insert_with(|| LineNumberLayout {
3325 segments: Default::default(),
3326 })
3327 .segments
3328 .push(segment);
3329 }
3330 Arc::new(line_numbers)
3331 }
3332
3333 fn layout_crease_toggles(
3334 &self,
3335 rows: Range<DisplayRow>,
3336 row_infos: &[RowInfo],
3337 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3338 snapshot: &EditorSnapshot,
3339 window: &mut Window,
3340 cx: &mut App,
3341 ) -> Vec<Option<AnyElement>> {
3342 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3343 && snapshot.mode.is_full()
3344 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3345 if include_fold_statuses {
3346 row_infos
3347 .iter()
3348 .enumerate()
3349 .map(|(ix, info)| {
3350 if info.expand_info.is_some() {
3351 return None;
3352 }
3353 let row = info.multibuffer_row?;
3354 let display_row = DisplayRow(rows.start.0 + ix as u32);
3355 let active = active_rows.contains_key(&display_row);
3356
3357 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3358 })
3359 .collect()
3360 } else {
3361 Vec::new()
3362 }
3363 }
3364
3365 fn layout_crease_trailers(
3366 &self,
3367 buffer_rows: impl IntoIterator<Item = RowInfo>,
3368 snapshot: &EditorSnapshot,
3369 window: &mut Window,
3370 cx: &mut App,
3371 ) -> Vec<Option<AnyElement>> {
3372 buffer_rows
3373 .into_iter()
3374 .map(|row_info| {
3375 if row_info.expand_info.is_some() {
3376 return None;
3377 }
3378 if let Some(row) = row_info.multibuffer_row {
3379 snapshot.render_crease_trailer(row, window, cx)
3380 } else {
3381 None
3382 }
3383 })
3384 .collect()
3385 }
3386
3387 fn bg_segments_per_row(
3388 rows: Range<DisplayRow>,
3389 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3390 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3391 base_background: Hsla,
3392 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3393 if rows.start >= rows.end {
3394 return Vec::new();
3395 }
3396 if !base_background.is_opaque() {
3397 // We don't actually know what color is behind this editor.
3398 return Vec::new();
3399 }
3400 let highlight_iter = highlight_ranges.iter().cloned();
3401 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3402 let color = player_color.selection;
3403 layouts.iter().filter_map(move |selection_layout| {
3404 if selection_layout.range.start != selection_layout.range.end {
3405 Some((selection_layout.range.clone(), color))
3406 } else {
3407 None
3408 }
3409 })
3410 });
3411 let mut per_row_map = vec![Vec::new(); rows.len()];
3412 for (range, color) in highlight_iter.chain(selection_iter) {
3413 let covered_rows = if range.end.column() == 0 {
3414 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3415 } else {
3416 cmp::max(range.start.row(), rows.start)
3417 ..cmp::min(range.end.row().next_row(), rows.end)
3418 };
3419 for row in covered_rows.iter_rows() {
3420 let seg_start = if row == range.start.row() {
3421 range.start
3422 } else {
3423 DisplayPoint::new(row, 0)
3424 };
3425 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3426 range.end
3427 } else {
3428 DisplayPoint::new(row, u32::MAX)
3429 };
3430 let ix = row.minus(rows.start) as usize;
3431 debug_assert!(row >= rows.start && row < rows.end);
3432 debug_assert!(ix < per_row_map.len());
3433 per_row_map[ix].push((seg_start..seg_end, color));
3434 }
3435 }
3436 for row_segments in per_row_map.iter_mut() {
3437 if row_segments.is_empty() {
3438 continue;
3439 }
3440 let segments = mem::take(row_segments);
3441 let merged = Self::merge_overlapping_ranges(segments, base_background);
3442 *row_segments = merged;
3443 }
3444 per_row_map
3445 }
3446
3447 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3448 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3449 ///
3450 /// Expects `start.row() == end.row()` for each range.
3451 fn merge_overlapping_ranges(
3452 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3453 base_background: Hsla,
3454 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3455 struct Boundary {
3456 pos: DisplayPoint,
3457 is_start: bool,
3458 index: usize,
3459 color: Hsla,
3460 }
3461
3462 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3463 for (index, (range, color)) in ranges.iter().enumerate() {
3464 debug_assert!(
3465 range.start.row() == range.end.row(),
3466 "expects single-row ranges"
3467 );
3468 if range.start < range.end {
3469 boundaries.push(Boundary {
3470 pos: range.start,
3471 is_start: true,
3472 index,
3473 color: *color,
3474 });
3475 boundaries.push(Boundary {
3476 pos: range.end,
3477 is_start: false,
3478 index,
3479 color: *color,
3480 });
3481 }
3482 }
3483
3484 if boundaries.is_empty() {
3485 return Vec::new();
3486 }
3487
3488 boundaries
3489 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3490
3491 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3492 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3493
3494 let mut i = 0;
3495 let mut start_pos = boundaries[0].pos;
3496
3497 let boundaries_len = boundaries.len();
3498 while i < boundaries_len {
3499 let current_boundary_pos = boundaries[i].pos;
3500 if start_pos < current_boundary_pos {
3501 if !active_ranges.is_empty() {
3502 let mut color = base_background;
3503 for &(_, c) in &active_ranges {
3504 color = Hsla::blend(color, c);
3505 }
3506 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3507 if *last_color == color && last_range.end == start_pos {
3508 last_range.end = current_boundary_pos;
3509 } else {
3510 processed_ranges.push((start_pos..current_boundary_pos, color));
3511 }
3512 } else {
3513 processed_ranges.push((start_pos..current_boundary_pos, color));
3514 }
3515 }
3516 }
3517 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3518 let active_range = &boundaries[i];
3519 if active_range.is_start {
3520 let idx = active_range.index;
3521 let pos = active_ranges
3522 .binary_search_by_key(&idx, |(i, _)| *i)
3523 .unwrap_or_else(|p| p);
3524 active_ranges.insert(pos, (idx, active_range.color));
3525 } else {
3526 let idx = active_range.index;
3527 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3528 active_ranges.remove(pos);
3529 }
3530 }
3531 i += 1;
3532 }
3533 start_pos = current_boundary_pos;
3534 }
3535
3536 processed_ranges
3537 }
3538
3539 fn layout_lines(
3540 rows: Range<DisplayRow>,
3541 snapshot: &EditorSnapshot,
3542 style: &EditorStyle,
3543 editor_width: Pixels,
3544 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3545 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3546 window: &mut Window,
3547 cx: &mut App,
3548 ) -> Vec<LineWithInvisibles> {
3549 if rows.start >= rows.end {
3550 return Vec::new();
3551 }
3552
3553 // Show the placeholder when the editor is empty
3554 if snapshot.is_empty() {
3555 let font_size = style.text.font_size.to_pixels(window.rem_size());
3556 let placeholder_color = cx.theme().colors().text_placeholder;
3557 let placeholder_text = snapshot.placeholder_text();
3558
3559 let placeholder_lines = placeholder_text
3560 .as_ref()
3561 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3562
3563 let placeholder_line_count = placeholder_lines.len();
3564
3565 placeholder_lines
3566 .into_iter()
3567 .skip(rows.start.0 as usize)
3568 .chain(iter::repeat(""))
3569 .take(cmp::max(rows.len(), placeholder_line_count))
3570 .map(move |line| {
3571 let run = TextRun {
3572 len: line.len(),
3573 font: style.text.font(),
3574 color: placeholder_color,
3575 background_color: None,
3576 underline: None,
3577 strikethrough: None,
3578 };
3579 let line = window.text_system().shape_line(
3580 line.to_string().into(),
3581 font_size,
3582 &[run],
3583 None,
3584 );
3585 LineWithInvisibles {
3586 width: line.width,
3587 len: line.len,
3588 fragments: smallvec![LineFragment::Text(line)],
3589 invisibles: Vec::new(),
3590 font_size,
3591 }
3592 })
3593 .collect()
3594 } else {
3595 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3596 LineWithInvisibles::from_chunks(
3597 chunks,
3598 style,
3599 MAX_LINE_LEN,
3600 rows.len(),
3601 &snapshot.mode,
3602 editor_width,
3603 is_row_soft_wrapped,
3604 bg_segments_per_row,
3605 window,
3606 cx,
3607 )
3608 }
3609 }
3610
3611 fn prepaint_lines(
3612 &self,
3613 start_row: DisplayRow,
3614 line_layouts: &mut [LineWithInvisibles],
3615 line_height: Pixels,
3616 scroll_position: gpui::Point<ScrollOffset>,
3617 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3618 content_origin: gpui::Point<Pixels>,
3619 window: &mut Window,
3620 cx: &mut App,
3621 ) -> SmallVec<[AnyElement; 1]> {
3622 let mut line_elements = SmallVec::new();
3623 for (ix, line) in line_layouts.iter_mut().enumerate() {
3624 let row = start_row + DisplayRow(ix as u32);
3625 line.prepaint(
3626 line_height,
3627 scroll_position,
3628 scroll_pixel_position,
3629 row,
3630 content_origin,
3631 &mut line_elements,
3632 window,
3633 cx,
3634 );
3635 }
3636 line_elements
3637 }
3638
3639 fn render_block(
3640 &self,
3641 block: &Block,
3642 available_width: AvailableSpace,
3643 block_id: BlockId,
3644 block_row_start: DisplayRow,
3645 snapshot: &EditorSnapshot,
3646 text_x: Pixels,
3647 rows: &Range<DisplayRow>,
3648 line_layouts: &[LineWithInvisibles],
3649 editor_margins: &EditorMargins,
3650 line_height: Pixels,
3651 em_width: Pixels,
3652 text_hitbox: &Hitbox,
3653 editor_width: Pixels,
3654 scroll_width: &mut Pixels,
3655 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3656 row_block_types: &mut HashMap<DisplayRow, bool>,
3657 selections: &[Selection<Point>],
3658 selected_buffer_ids: &Vec<BufferId>,
3659 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3660 sticky_header_excerpt_id: Option<ExcerptId>,
3661 window: &mut Window,
3662 cx: &mut App,
3663 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3664 let mut x_position = None;
3665 let mut element = match block {
3666 Block::Custom(custom) => {
3667 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3668 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3669 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3670 return None;
3671 }
3672 let align_to = block_start.to_display_point(snapshot);
3673 let x_and_width = |layout: &LineWithInvisibles| {
3674 Some((
3675 text_x + layout.x_for_index(align_to.column() as usize),
3676 text_x + layout.width,
3677 ))
3678 };
3679 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3680 x_position =
3681 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3682 x_and_width(layout)
3683 } else {
3684 x_and_width(&layout_line(
3685 align_to.row(),
3686 snapshot,
3687 &self.style,
3688 editor_width,
3689 is_row_soft_wrapped,
3690 window,
3691 cx,
3692 ))
3693 };
3694
3695 let anchor_x = x_position.unwrap().0;
3696
3697 let selected = selections
3698 .binary_search_by(|selection| {
3699 if selection.end <= block_start {
3700 Ordering::Less
3701 } else if selection.start >= block_end {
3702 Ordering::Greater
3703 } else {
3704 Ordering::Equal
3705 }
3706 })
3707 .is_ok();
3708
3709 div()
3710 .size_full()
3711 .child(custom.render(&mut BlockContext {
3712 window,
3713 app: cx,
3714 anchor_x,
3715 margins: editor_margins,
3716 line_height,
3717 em_width,
3718 block_id,
3719 selected,
3720 max_width: text_hitbox.size.width.max(*scroll_width),
3721 editor_style: &self.style,
3722 }))
3723 .into_any()
3724 }
3725
3726 Block::FoldedBuffer {
3727 first_excerpt,
3728 height,
3729 ..
3730 } => {
3731 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3732 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3733
3734 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3735 result
3736 .child(self.render_buffer_header(
3737 first_excerpt,
3738 true,
3739 selected,
3740 false,
3741 jump_data,
3742 window,
3743 cx,
3744 ))
3745 .into_any_element()
3746 }
3747
3748 Block::ExcerptBoundary { .. } => {
3749 let color = cx.theme().colors().clone();
3750 let mut result = v_flex().id(block_id).w_full();
3751
3752 result = result.child(
3753 h_flex().relative().child(
3754 div()
3755 .top(line_height / 2.)
3756 .absolute()
3757 .w_full()
3758 .h_px()
3759 .bg(color.border_variant),
3760 ),
3761 );
3762
3763 result.into_any()
3764 }
3765
3766 Block::BufferHeader { excerpt, height } => {
3767 let mut result = v_flex().id(block_id).w_full();
3768
3769 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3770
3771 if sticky_header_excerpt_id != Some(excerpt.id) {
3772 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3773
3774 result = result.child(div().pr(editor_margins.right).child(
3775 self.render_buffer_header(
3776 excerpt, false, selected, false, jump_data, window, cx,
3777 ),
3778 ));
3779 } else {
3780 result =
3781 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3782 }
3783
3784 result.into_any()
3785 }
3786 };
3787
3788 // Discover the element's content height, then round up to the nearest multiple of line height.
3789 let preliminary_size = element.layout_as_root(
3790 size(available_width, AvailableSpace::MinContent),
3791 window,
3792 cx,
3793 );
3794 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3795 let final_size = if preliminary_size.height == quantized_height {
3796 preliminary_size
3797 } else {
3798 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3799 };
3800 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3801
3802 let mut row = block_row_start;
3803 let mut x_offset = px(0.);
3804 let mut is_block = true;
3805
3806 if let BlockId::Custom(custom_block_id) = block_id
3807 && block.has_height()
3808 {
3809 if block.place_near()
3810 && let Some((x_target, line_width)) = x_position
3811 {
3812 let margin = em_width * 2;
3813 if line_width + final_size.width + margin
3814 < editor_width + editor_margins.gutter.full_width()
3815 && !row_block_types.contains_key(&(row - 1))
3816 && element_height_in_lines == 1
3817 {
3818 x_offset = line_width + margin;
3819 row = row - 1;
3820 is_block = false;
3821 element_height_in_lines = 0;
3822 row_block_types.insert(row, is_block);
3823 } else {
3824 let max_offset =
3825 editor_width + editor_margins.gutter.full_width() - final_size.width;
3826 let min_offset = (x_target + em_width - final_size.width)
3827 .max(editor_margins.gutter.full_width());
3828 x_offset = x_target.min(max_offset).max(min_offset);
3829 }
3830 };
3831 if element_height_in_lines != block.height() {
3832 resized_blocks.insert(custom_block_id, element_height_in_lines);
3833 }
3834 }
3835 for i in 0..element_height_in_lines {
3836 row_block_types.insert(row + i, is_block);
3837 }
3838
3839 Some((element, final_size, row, x_offset))
3840 }
3841
3842 fn render_buffer_header(
3843 &self,
3844 for_excerpt: &ExcerptInfo,
3845 is_folded: bool,
3846 is_selected: bool,
3847 is_sticky: bool,
3848 jump_data: JumpData,
3849 window: &mut Window,
3850 cx: &mut App,
3851 ) -> impl IntoElement {
3852 let editor = self.editor.read(cx);
3853 let multi_buffer = editor.buffer.read(cx);
3854 let file_status = multi_buffer
3855 .all_diff_hunks_expanded()
3856 .then(|| editor.status_for_buffer_id(for_excerpt.buffer_id, cx))
3857 .flatten();
3858 let indicator = multi_buffer
3859 .buffer(for_excerpt.buffer_id)
3860 .and_then(|buffer| {
3861 let buffer = buffer.read(cx);
3862 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3863 (true, _) => Some(Color::Warning),
3864 (_, true) => Some(Color::Accent),
3865 (false, false) => None,
3866 };
3867 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3868 });
3869
3870 let include_root = editor
3871 .project
3872 .as_ref()
3873 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3874 .unwrap_or_default();
3875 let file = for_excerpt.buffer.file();
3876 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3877 let path_style = file.map(|file| file.path_style(cx));
3878 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3879 let (parent_path, filename) = if let Some(path) = &relative_path {
3880 if let Some(path_style) = path_style {
3881 let (dir, file_name) = path_style.split(path);
3882 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3883 } else {
3884 (None, Some(path.clone()))
3885 }
3886 } else {
3887 (None, None)
3888 };
3889 let focus_handle = editor.focus_handle(cx);
3890 let colors = cx.theme().colors();
3891
3892 let header = div()
3893 .p_1()
3894 .w_full()
3895 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3896 .child(
3897 h_flex()
3898 .size_full()
3899 .gap_2()
3900 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3901 .pl_0p5()
3902 .pr_5()
3903 .rounded_sm()
3904 .when(is_sticky, |el| el.shadow_md())
3905 .border_1()
3906 .map(|div| {
3907 let border_color = if is_selected
3908 && is_folded
3909 && focus_handle.contains_focused(window, cx)
3910 {
3911 colors.border_focused
3912 } else {
3913 colors.border
3914 };
3915 div.border_color(border_color)
3916 })
3917 .bg(colors.editor_subheader_background)
3918 .hover(|style| style.bg(colors.element_hover))
3919 .map(|header| {
3920 let editor = self.editor.clone();
3921 let buffer_id = for_excerpt.buffer_id;
3922 let toggle_chevron_icon =
3923 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3924 header.child(
3925 div()
3926 .hover(|style| style.bg(colors.element_selected))
3927 .rounded_xs()
3928 .child(
3929 ButtonLike::new("toggle-buffer-fold")
3930 .style(ui::ButtonStyle::Transparent)
3931 .height(px(28.).into())
3932 .width(px(28.))
3933 .children(toggle_chevron_icon)
3934 .tooltip({
3935 let focus_handle = focus_handle.clone();
3936 move |_window, cx| {
3937 Tooltip::with_meta_in(
3938 "Toggle Excerpt Fold",
3939 Some(&ToggleFold),
3940 format!(
3941 "{} to toggle all",
3942 text_for_keystroke(
3943 &Modifiers::alt(),
3944 "click",
3945 cx
3946 )
3947 ),
3948 &focus_handle,
3949 cx,
3950 )
3951 }
3952 })
3953 .on_click(move |event, window, cx| {
3954 if event.modifiers().alt {
3955 // Alt+click toggles all buffers
3956 editor.update(cx, |editor, cx| {
3957 editor.toggle_fold_all(
3958 &ToggleFoldAll,
3959 window,
3960 cx,
3961 );
3962 });
3963 } else {
3964 // Regular click toggles single buffer
3965 if is_folded {
3966 editor.update(cx, |editor, cx| {
3967 editor.unfold_buffer(buffer_id, cx);
3968 });
3969 } else {
3970 editor.update(cx, |editor, cx| {
3971 editor.fold_buffer(buffer_id, cx);
3972 });
3973 }
3974 }
3975 }),
3976 ),
3977 )
3978 })
3979 .children(
3980 editor
3981 .addons
3982 .values()
3983 .filter_map(|addon| {
3984 addon.render_buffer_header_controls(for_excerpt, window, cx)
3985 })
3986 .take(1),
3987 )
3988 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3989 .child(
3990 h_flex()
3991 .cursor_pointer()
3992 .id("path header block")
3993 .size_full()
3994 .justify_between()
3995 .overflow_hidden()
3996 .child(
3997 h_flex()
3998 .gap_2()
3999 .map(|path_header| {
4000 let filename = filename
4001 .map(SharedString::from)
4002 .unwrap_or_else(|| "untitled".into());
4003
4004 path_header
4005 .when(ItemSettings::get_global(cx).file_icons, |el| {
4006 let path = path::Path::new(filename.as_str());
4007 let icon = FileIcons::get_icon(path, cx)
4008 .unwrap_or_default();
4009 let icon =
4010 Icon::from_path(icon).color(Color::Muted);
4011 el.child(icon)
4012 })
4013 .child(Label::new(filename).single_line().when_some(
4014 file_status,
4015 |el, status| {
4016 el.color(if status.is_conflicted() {
4017 Color::Conflict
4018 } else if status.is_modified() {
4019 Color::Modified
4020 } else if status.is_deleted() {
4021 Color::Disabled
4022 } else {
4023 Color::Created
4024 })
4025 .when(status.is_deleted(), |el| {
4026 el.strikethrough()
4027 })
4028 },
4029 ))
4030 })
4031 .when_some(parent_path, |then, path| {
4032 then.child(div().child(path).text_color(
4033 if file_status.is_some_and(FileStatus::is_deleted) {
4034 colors.text_disabled
4035 } else {
4036 colors.text_muted
4037 },
4038 ))
4039 }),
4040 )
4041 .when(
4042 can_open_excerpts && is_selected && relative_path.is_some(),
4043 |el| {
4044 el.child(
4045 h_flex()
4046 .id("jump-to-file-button")
4047 .gap_2p5()
4048 .child(Label::new("Jump To File"))
4049 .child(KeyBinding::for_action_in(
4050 &OpenExcerpts,
4051 &focus_handle,
4052 cx,
4053 )),
4054 )
4055 },
4056 )
4057 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4058 .on_click(window.listener_for(&self.editor, {
4059 move |editor, e: &ClickEvent, window, cx| {
4060 editor.open_excerpts_common(
4061 Some(jump_data.clone()),
4062 e.modifiers().secondary(),
4063 window,
4064 cx,
4065 );
4066 }
4067 })),
4068 ),
4069 );
4070
4071 let file = for_excerpt.buffer.file().cloned();
4072 let editor = self.editor.clone();
4073 right_click_menu("buffer-header-context-menu")
4074 .trigger(move |_, _, _| header)
4075 .menu(move |window, cx| {
4076 let menu_context = focus_handle.clone();
4077 let editor = editor.clone();
4078 let file = file.clone();
4079 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4080 if let Some(file) = file
4081 && let Some(project) = editor.read(cx).project()
4082 && let Some(worktree) =
4083 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4084 {
4085 let path_style = file.path_style(cx);
4086 let worktree = worktree.read(cx);
4087 let relative_path = file.path();
4088 let entry_for_path = worktree.entry_for_path(relative_path);
4089 let abs_path = entry_for_path.map(|e| {
4090 e.canonical_path.as_deref().map_or_else(
4091 || worktree.absolutize(relative_path),
4092 Path::to_path_buf,
4093 )
4094 });
4095 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4096
4097 let parent_abs_path = abs_path
4098 .as_ref()
4099 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4100 let relative_path = has_relative_path
4101 .then_some(relative_path)
4102 .map(ToOwned::to_owned);
4103
4104 let visible_in_project_panel =
4105 relative_path.is_some() && worktree.is_visible();
4106 let reveal_in_project_panel = entry_for_path
4107 .filter(|_| visible_in_project_panel)
4108 .map(|entry| entry.id);
4109 menu = menu
4110 .when_some(abs_path, |menu, abs_path| {
4111 menu.entry(
4112 "Copy Path",
4113 Some(Box::new(zed_actions::workspace::CopyPath)),
4114 window.handler_for(&editor, move |_, _, cx| {
4115 cx.write_to_clipboard(ClipboardItem::new_string(
4116 abs_path.to_string_lossy().into_owned(),
4117 ));
4118 }),
4119 )
4120 })
4121 .when_some(relative_path, |menu, relative_path| {
4122 menu.entry(
4123 "Copy Relative Path",
4124 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4125 window.handler_for(&editor, move |_, _, cx| {
4126 cx.write_to_clipboard(ClipboardItem::new_string(
4127 relative_path.display(path_style).to_string(),
4128 ));
4129 }),
4130 )
4131 })
4132 .when(
4133 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4134 |menu| menu.separator(),
4135 )
4136 .when_some(reveal_in_project_panel, |menu, entry_id| {
4137 menu.entry(
4138 "Reveal In Project Panel",
4139 Some(Box::new(RevealInProjectPanel::default())),
4140 window.handler_for(&editor, move |editor, _, cx| {
4141 if let Some(project) = &mut editor.project {
4142 project.update(cx, |_, cx| {
4143 cx.emit(project::Event::RevealInProjectPanel(
4144 entry_id,
4145 ))
4146 });
4147 }
4148 }),
4149 )
4150 })
4151 .when_some(parent_abs_path, |menu, parent_abs_path| {
4152 menu.entry(
4153 "Open in Terminal",
4154 Some(Box::new(OpenInTerminal)),
4155 window.handler_for(&editor, move |_, window, cx| {
4156 window.dispatch_action(
4157 OpenTerminal {
4158 working_directory: parent_abs_path.clone(),
4159 }
4160 .boxed_clone(),
4161 cx,
4162 );
4163 }),
4164 )
4165 });
4166 }
4167
4168 menu.context(menu_context)
4169 })
4170 })
4171 }
4172
4173 fn render_blocks(
4174 &self,
4175 rows: Range<DisplayRow>,
4176 snapshot: &EditorSnapshot,
4177 hitbox: &Hitbox,
4178 text_hitbox: &Hitbox,
4179 editor_width: Pixels,
4180 scroll_width: &mut Pixels,
4181 editor_margins: &EditorMargins,
4182 em_width: Pixels,
4183 text_x: Pixels,
4184 line_height: Pixels,
4185 line_layouts: &mut [LineWithInvisibles],
4186 selections: &[Selection<Point>],
4187 selected_buffer_ids: &Vec<BufferId>,
4188 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4189 sticky_header_excerpt_id: Option<ExcerptId>,
4190 window: &mut Window,
4191 cx: &mut App,
4192 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4193 let (fixed_blocks, non_fixed_blocks) = snapshot
4194 .blocks_in_range(rows.clone())
4195 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4196
4197 let mut focused_block = self
4198 .editor
4199 .update(cx, |editor, _| editor.take_focused_block());
4200 let mut fixed_block_max_width = Pixels::ZERO;
4201 let mut blocks = Vec::new();
4202 let mut resized_blocks = HashMap::default();
4203 let mut row_block_types = HashMap::default();
4204
4205 for (row, block) in fixed_blocks {
4206 let block_id = block.id();
4207
4208 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4209 focused_block = None;
4210 }
4211
4212 if let Some((element, element_size, row, x_offset)) = self.render_block(
4213 block,
4214 AvailableSpace::MinContent,
4215 block_id,
4216 row,
4217 snapshot,
4218 text_x,
4219 &rows,
4220 line_layouts,
4221 editor_margins,
4222 line_height,
4223 em_width,
4224 text_hitbox,
4225 editor_width,
4226 scroll_width,
4227 &mut resized_blocks,
4228 &mut row_block_types,
4229 selections,
4230 selected_buffer_ids,
4231 is_row_soft_wrapped,
4232 sticky_header_excerpt_id,
4233 window,
4234 cx,
4235 ) {
4236 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4237 blocks.push(BlockLayout {
4238 id: block_id,
4239 x_offset,
4240 row: Some(row),
4241 element,
4242 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4243 style: BlockStyle::Fixed,
4244 overlaps_gutter: true,
4245 is_buffer_header: block.is_buffer_header(),
4246 });
4247 }
4248 }
4249
4250 for (row, block) in non_fixed_blocks {
4251 let style = block.style();
4252 let width = match (style, block.place_near()) {
4253 (_, true) => AvailableSpace::MinContent,
4254 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4255 (BlockStyle::Flex, _) => hitbox
4256 .size
4257 .width
4258 .max(fixed_block_max_width)
4259 .max(editor_margins.gutter.width + *scroll_width)
4260 .into(),
4261 (BlockStyle::Fixed, _) => unreachable!(),
4262 };
4263 let block_id = block.id();
4264
4265 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4266 focused_block = None;
4267 }
4268
4269 if let Some((element, element_size, row, x_offset)) = self.render_block(
4270 block,
4271 width,
4272 block_id,
4273 row,
4274 snapshot,
4275 text_x,
4276 &rows,
4277 line_layouts,
4278 editor_margins,
4279 line_height,
4280 em_width,
4281 text_hitbox,
4282 editor_width,
4283 scroll_width,
4284 &mut resized_blocks,
4285 &mut row_block_types,
4286 selections,
4287 selected_buffer_ids,
4288 is_row_soft_wrapped,
4289 sticky_header_excerpt_id,
4290 window,
4291 cx,
4292 ) {
4293 blocks.push(BlockLayout {
4294 id: block_id,
4295 x_offset,
4296 row: Some(row),
4297 element,
4298 available_space: size(width, element_size.height.into()),
4299 style,
4300 overlaps_gutter: !block.place_near(),
4301 is_buffer_header: block.is_buffer_header(),
4302 });
4303 }
4304 }
4305
4306 if let Some(focused_block) = focused_block
4307 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4308 && focus_handle.is_focused(window)
4309 && let Some(block) = snapshot.block_for_id(focused_block.id)
4310 {
4311 let style = block.style();
4312 let width = match style {
4313 BlockStyle::Fixed => AvailableSpace::MinContent,
4314 BlockStyle::Flex => AvailableSpace::Definite(
4315 hitbox
4316 .size
4317 .width
4318 .max(fixed_block_max_width)
4319 .max(editor_margins.gutter.width + *scroll_width),
4320 ),
4321 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4322 };
4323
4324 if let Some((element, element_size, _, x_offset)) = self.render_block(
4325 &block,
4326 width,
4327 focused_block.id,
4328 rows.end,
4329 snapshot,
4330 text_x,
4331 &rows,
4332 line_layouts,
4333 editor_margins,
4334 line_height,
4335 em_width,
4336 text_hitbox,
4337 editor_width,
4338 scroll_width,
4339 &mut resized_blocks,
4340 &mut row_block_types,
4341 selections,
4342 selected_buffer_ids,
4343 is_row_soft_wrapped,
4344 sticky_header_excerpt_id,
4345 window,
4346 cx,
4347 ) {
4348 blocks.push(BlockLayout {
4349 id: block.id(),
4350 x_offset,
4351 row: None,
4352 element,
4353 available_space: size(width, element_size.height.into()),
4354 style,
4355 overlaps_gutter: true,
4356 is_buffer_header: block.is_buffer_header(),
4357 });
4358 }
4359 }
4360
4361 if resized_blocks.is_empty() {
4362 *scroll_width =
4363 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4364 Ok((blocks, row_block_types))
4365 } else {
4366 Err(resized_blocks)
4367 }
4368 }
4369
4370 fn layout_blocks(
4371 &self,
4372 blocks: &mut Vec<BlockLayout>,
4373 hitbox: &Hitbox,
4374 line_height: Pixels,
4375 scroll_position: gpui::Point<ScrollOffset>,
4376 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4377 window: &mut Window,
4378 cx: &mut App,
4379 ) {
4380 for block in blocks {
4381 let mut origin = if let Some(row) = block.row {
4382 hitbox.origin
4383 + point(
4384 block.x_offset,
4385 Pixels::from(
4386 (row.as_f64() - scroll_position.y)
4387 * ScrollPixelOffset::from(line_height),
4388 ),
4389 )
4390 } else {
4391 // Position the block outside the visible area
4392 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4393 };
4394
4395 if !matches!(block.style, BlockStyle::Sticky) {
4396 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4397 }
4398
4399 let focus_handle =
4400 block
4401 .element
4402 .prepaint_as_root(origin, block.available_space, window, cx);
4403
4404 if let Some(focus_handle) = focus_handle {
4405 self.editor.update(cx, |editor, _cx| {
4406 editor.set_focused_block(FocusedBlock {
4407 id: block.id,
4408 focus_handle: focus_handle.downgrade(),
4409 });
4410 });
4411 }
4412 }
4413 }
4414
4415 fn layout_sticky_buffer_header(
4416 &self,
4417 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4418 scroll_position: gpui::Point<ScrollOffset>,
4419 line_height: Pixels,
4420 right_margin: Pixels,
4421 snapshot: &EditorSnapshot,
4422 hitbox: &Hitbox,
4423 selected_buffer_ids: &Vec<BufferId>,
4424 blocks: &[BlockLayout],
4425 window: &mut Window,
4426 cx: &mut App,
4427 ) -> AnyElement {
4428 let jump_data = header_jump_data(
4429 snapshot,
4430 DisplayRow(scroll_position.y as u32),
4431 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4432 excerpt,
4433 );
4434
4435 let editor_bg_color = cx.theme().colors().editor_background;
4436
4437 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4438
4439 let available_width = hitbox.bounds.size.width - right_margin;
4440
4441 let mut header = v_flex()
4442 .w_full()
4443 .relative()
4444 .child(
4445 div()
4446 .w(available_width)
4447 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4448 .bg(linear_gradient(
4449 0.,
4450 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4451 linear_color_stop(editor_bg_color, 0.6),
4452 ))
4453 .absolute()
4454 .top_0(),
4455 )
4456 .child(
4457 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4458 .into_any_element(),
4459 )
4460 .into_any_element();
4461
4462 let mut origin = hitbox.origin;
4463 // Move floating header up to avoid colliding with the next buffer header.
4464 for block in blocks.iter() {
4465 if !block.is_buffer_header {
4466 continue;
4467 }
4468
4469 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4470 continue;
4471 };
4472
4473 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4474 let offset = scroll_position.y - max_row as f64;
4475
4476 if offset > 0.0 {
4477 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4478 }
4479 break;
4480 }
4481
4482 let size = size(
4483 AvailableSpace::Definite(available_width),
4484 AvailableSpace::MinContent,
4485 );
4486
4487 header.prepaint_as_root(origin, size, window, cx);
4488
4489 header
4490 }
4491
4492 fn layout_cursor_popovers(
4493 &self,
4494 line_height: Pixels,
4495 text_hitbox: &Hitbox,
4496 content_origin: gpui::Point<Pixels>,
4497 right_margin: Pixels,
4498 start_row: DisplayRow,
4499 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4500 line_layouts: &[LineWithInvisibles],
4501 cursor: DisplayPoint,
4502 cursor_point: Point,
4503 style: &EditorStyle,
4504 window: &mut Window,
4505 cx: &mut App,
4506 ) -> Option<ContextMenuLayout> {
4507 let mut min_menu_height = Pixels::ZERO;
4508 let mut max_menu_height = Pixels::ZERO;
4509 let mut height_above_menu = Pixels::ZERO;
4510 let height_below_menu = Pixels::ZERO;
4511 let mut edit_prediction_popover_visible = false;
4512 let mut context_menu_visible = false;
4513 let context_menu_placement;
4514
4515 {
4516 let editor = self.editor.read(cx);
4517 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4518 {
4519 height_above_menu +=
4520 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4521 edit_prediction_popover_visible = true;
4522 }
4523
4524 if editor.context_menu_visible()
4525 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4526 {
4527 let (min_height_in_lines, max_height_in_lines) = editor
4528 .context_menu_options
4529 .as_ref()
4530 .map_or((3, 12), |options| {
4531 (options.min_entries_visible, options.max_entries_visible)
4532 });
4533
4534 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4535 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4536 context_menu_visible = true;
4537 }
4538 context_menu_placement = editor
4539 .context_menu_options
4540 .as_ref()
4541 .and_then(|options| options.placement.clone());
4542 }
4543
4544 let visible = edit_prediction_popover_visible || context_menu_visible;
4545 if !visible {
4546 return None;
4547 }
4548
4549 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4550 let target_position = content_origin
4551 + gpui::Point {
4552 x: cmp::max(
4553 px(0.),
4554 Pixels::from(
4555 ScrollPixelOffset::from(
4556 cursor_row_layout.x_for_index(cursor.column() as usize),
4557 ) - scroll_pixel_position.x,
4558 ),
4559 ),
4560 y: cmp::max(
4561 px(0.),
4562 Pixels::from(
4563 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4564 - scroll_pixel_position.y,
4565 ),
4566 ),
4567 };
4568
4569 let viewport_bounds =
4570 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4571 right: -right_margin - MENU_GAP,
4572 ..Default::default()
4573 });
4574
4575 let min_height = height_above_menu + min_menu_height + height_below_menu;
4576 let max_height = height_above_menu + max_menu_height + height_below_menu;
4577 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4578 target_position,
4579 line_height,
4580 min_height,
4581 max_height,
4582 context_menu_placement,
4583 text_hitbox,
4584 viewport_bounds,
4585 window,
4586 cx,
4587 |height, max_width_for_stable_x, y_flipped, window, cx| {
4588 // First layout the menu to get its size - others can be at least this wide.
4589 let context_menu = if context_menu_visible {
4590 let menu_height = if y_flipped {
4591 height - height_below_menu
4592 } else {
4593 height - height_above_menu
4594 };
4595 let mut element = self
4596 .render_context_menu(line_height, menu_height, window, cx)
4597 .expect("Visible context menu should always render.");
4598 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4599 Some((CursorPopoverType::CodeContextMenu, element, size))
4600 } else {
4601 None
4602 };
4603 let min_width = context_menu
4604 .as_ref()
4605 .map_or(px(0.), |(_, _, size)| size.width);
4606 let max_width = max_width_for_stable_x.max(
4607 context_menu
4608 .as_ref()
4609 .map_or(px(0.), |(_, _, size)| size.width),
4610 );
4611
4612 let edit_prediction = if edit_prediction_popover_visible {
4613 self.editor.update(cx, move |editor, cx| {
4614 let accept_binding =
4615 editor.accept_edit_prediction_keybind(false, window, cx);
4616 let mut element = editor.render_edit_prediction_cursor_popover(
4617 min_width,
4618 max_width,
4619 cursor_point,
4620 style,
4621 accept_binding.keystroke(),
4622 window,
4623 cx,
4624 )?;
4625 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4626 Some((CursorPopoverType::EditPrediction, element, size))
4627 })
4628 } else {
4629 None
4630 };
4631 vec![edit_prediction, context_menu]
4632 .into_iter()
4633 .flatten()
4634 .collect::<Vec<_>>()
4635 },
4636 )?;
4637
4638 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4639 .iter()
4640 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4641 let last_ix = laid_out_popovers.len() - 1;
4642 let menu_is_last = menu_ix == last_ix;
4643 let first_popover_bounds = laid_out_popovers[0].1;
4644 let last_popover_bounds = laid_out_popovers[last_ix].1;
4645
4646 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4647 // right, and otherwise it goes below or to the right.
4648 let mut target_bounds = Bounds::from_corners(
4649 first_popover_bounds.origin,
4650 last_popover_bounds.bottom_right(),
4651 );
4652 target_bounds.size.width = menu_bounds.size.width;
4653
4654 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4655 // based on this is preferred for layout stability.
4656 let mut max_target_bounds = target_bounds;
4657 max_target_bounds.size.height = max_height;
4658 if y_flipped {
4659 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4660 }
4661
4662 // Add spacing around `target_bounds` and `max_target_bounds`.
4663 let mut extend_amount = Edges::all(MENU_GAP);
4664 if y_flipped {
4665 extend_amount.bottom = line_height;
4666 } else {
4667 extend_amount.top = line_height;
4668 }
4669 let target_bounds = target_bounds.extend(extend_amount);
4670 let max_target_bounds = max_target_bounds.extend(extend_amount);
4671
4672 let must_place_above_or_below =
4673 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4674 laid_out_popovers[menu_ix + 1..]
4675 .iter()
4676 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4677 } else {
4678 false
4679 };
4680
4681 let aside_bounds = self.layout_context_menu_aside(
4682 y_flipped,
4683 *menu_bounds,
4684 target_bounds,
4685 max_target_bounds,
4686 max_menu_height,
4687 must_place_above_or_below,
4688 text_hitbox,
4689 viewport_bounds,
4690 window,
4691 cx,
4692 );
4693
4694 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4695 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4696 Some(*bounds)
4697 } else {
4698 None
4699 }
4700 }) {
4701 let bounds = if let Some(aside_bounds) = aside_bounds {
4702 menu_bounds.union(&aside_bounds)
4703 } else {
4704 menu_bounds
4705 };
4706 return Some(ContextMenuLayout { y_flipped, bounds });
4707 }
4708
4709 None
4710 }
4711
4712 fn layout_gutter_menu(
4713 &self,
4714 line_height: Pixels,
4715 text_hitbox: &Hitbox,
4716 content_origin: gpui::Point<Pixels>,
4717 right_margin: Pixels,
4718 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4719 gutter_overshoot: Pixels,
4720 window: &mut Window,
4721 cx: &mut App,
4722 ) {
4723 let editor = self.editor.read(cx);
4724 if !editor.context_menu_visible() {
4725 return;
4726 }
4727 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4728 editor.context_menu_origin()
4729 else {
4730 return;
4731 };
4732 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4733 // indicator than just a plain first column of the text field.
4734 let target_position = content_origin
4735 + gpui::Point {
4736 x: -gutter_overshoot,
4737 y: Pixels::from(
4738 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4739 - scroll_pixel_position.y,
4740 ),
4741 };
4742
4743 let (min_height_in_lines, max_height_in_lines) = editor
4744 .context_menu_options
4745 .as_ref()
4746 .map_or((3, 12), |options| {
4747 (options.min_entries_visible, options.max_entries_visible)
4748 });
4749
4750 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4751 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4752 let viewport_bounds =
4753 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4754 right: -right_margin - MENU_GAP,
4755 ..Default::default()
4756 });
4757 self.layout_popovers_above_or_below_line(
4758 target_position,
4759 line_height,
4760 min_height,
4761 max_height,
4762 editor
4763 .context_menu_options
4764 .as_ref()
4765 .and_then(|options| options.placement.clone()),
4766 text_hitbox,
4767 viewport_bounds,
4768 window,
4769 cx,
4770 move |height, _max_width_for_stable_x, _, window, cx| {
4771 let mut element = self
4772 .render_context_menu(line_height, height, window, cx)
4773 .expect("Visible context menu should always render.");
4774 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4775 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4776 },
4777 );
4778 }
4779
4780 fn layout_popovers_above_or_below_line(
4781 &self,
4782 target_position: gpui::Point<Pixels>,
4783 line_height: Pixels,
4784 min_height: Pixels,
4785 max_height: Pixels,
4786 placement: Option<ContextMenuPlacement>,
4787 text_hitbox: &Hitbox,
4788 viewport_bounds: Bounds<Pixels>,
4789 window: &mut Window,
4790 cx: &mut App,
4791 make_sized_popovers: impl FnOnce(
4792 Pixels,
4793 Pixels,
4794 bool,
4795 &mut Window,
4796 &mut App,
4797 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4798 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4799 let text_style = TextStyleRefinement {
4800 line_height: Some(DefiniteLength::Fraction(
4801 BufferLineHeight::Comfortable.value(),
4802 )),
4803 ..Default::default()
4804 };
4805 window.with_text_style(Some(text_style), |window| {
4806 // If the max height won't fit below and there is more space above, put it above the line.
4807 let bottom_y_when_flipped = target_position.y - line_height;
4808 let available_above = bottom_y_when_flipped - text_hitbox.top();
4809 let available_below = text_hitbox.bottom() - target_position.y;
4810 let y_overflows_below = max_height > available_below;
4811 let mut y_flipped = match placement {
4812 Some(ContextMenuPlacement::Above) => true,
4813 Some(ContextMenuPlacement::Below) => false,
4814 None => y_overflows_below && available_above > available_below,
4815 };
4816 let mut height = cmp::min(
4817 max_height,
4818 if y_flipped {
4819 available_above
4820 } else {
4821 available_below
4822 },
4823 );
4824
4825 // If the min height doesn't fit within text bounds, instead fit within the window.
4826 if height < min_height {
4827 let available_above = bottom_y_when_flipped;
4828 let available_below = viewport_bounds.bottom() - target_position.y;
4829 let (y_flipped_override, height_override) = match placement {
4830 Some(ContextMenuPlacement::Above) => {
4831 (true, cmp::min(available_above, min_height))
4832 }
4833 Some(ContextMenuPlacement::Below) => {
4834 (false, cmp::min(available_below, min_height))
4835 }
4836 None => {
4837 if available_below > min_height {
4838 (false, min_height)
4839 } else if available_above > min_height {
4840 (true, min_height)
4841 } else if available_above > available_below {
4842 (true, available_above)
4843 } else {
4844 (false, available_below)
4845 }
4846 }
4847 };
4848 y_flipped = y_flipped_override;
4849 height = height_override;
4850 }
4851
4852 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4853
4854 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4855 // for very narrow windows.
4856 let popovers =
4857 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4858 if popovers.is_empty() {
4859 return None;
4860 }
4861
4862 let max_width = popovers
4863 .iter()
4864 .map(|(_, _, size)| size.width)
4865 .max()
4866 .unwrap_or_default();
4867
4868 let mut current_position = gpui::Point {
4869 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4870 // overflow. Include space for the scrollbar.
4871 x: target_position
4872 .x
4873 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4874 y: if y_flipped {
4875 bottom_y_when_flipped
4876 } else {
4877 target_position.y
4878 },
4879 };
4880
4881 let mut laid_out_popovers = popovers
4882 .into_iter()
4883 .map(|(popover_type, element, size)| {
4884 if y_flipped {
4885 current_position.y -= size.height;
4886 }
4887 let position = current_position;
4888 window.defer_draw(element, current_position, 1);
4889 if !y_flipped {
4890 current_position.y += size.height + MENU_GAP;
4891 } else {
4892 current_position.y -= MENU_GAP;
4893 }
4894 (popover_type, Bounds::new(position, size))
4895 })
4896 .collect::<Vec<_>>();
4897
4898 if y_flipped {
4899 laid_out_popovers.reverse();
4900 }
4901
4902 Some((laid_out_popovers, y_flipped))
4903 })
4904 }
4905
4906 fn layout_context_menu_aside(
4907 &self,
4908 y_flipped: bool,
4909 menu_bounds: Bounds<Pixels>,
4910 target_bounds: Bounds<Pixels>,
4911 max_target_bounds: Bounds<Pixels>,
4912 max_height: Pixels,
4913 must_place_above_or_below: bool,
4914 text_hitbox: &Hitbox,
4915 viewport_bounds: Bounds<Pixels>,
4916 window: &mut Window,
4917 cx: &mut App,
4918 ) -> Option<Bounds<Pixels>> {
4919 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4920 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4921 && !must_place_above_or_below
4922 {
4923 let max_width = cmp::min(
4924 available_within_viewport.right - px(1.),
4925 MENU_ASIDE_MAX_WIDTH,
4926 );
4927 let mut aside = self.render_context_menu_aside(
4928 size(max_width, max_height - POPOVER_Y_PADDING),
4929 window,
4930 cx,
4931 )?;
4932 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4933 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4934 Some((aside, right_position, size))
4935 } else {
4936 let max_size = size(
4937 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4938 // won't be needed here.
4939 cmp::min(
4940 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4941 viewport_bounds.right(),
4942 ),
4943 cmp::min(
4944 max_height,
4945 cmp::max(
4946 available_within_viewport.top,
4947 available_within_viewport.bottom,
4948 ),
4949 ) - POPOVER_Y_PADDING,
4950 );
4951 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4952 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4953
4954 let top_position = point(
4955 menu_bounds.origin.x,
4956 target_bounds.top() - actual_size.height,
4957 );
4958 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4959
4960 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4961 // Prefer to fit on the same side of the line as the menu, then on the other side of
4962 // the line.
4963 if !y_flipped && wanted.height < available.bottom {
4964 Some(bottom_position)
4965 } else if !y_flipped && wanted.height < available.top {
4966 Some(top_position)
4967 } else if y_flipped && wanted.height < available.top {
4968 Some(top_position)
4969 } else if y_flipped && wanted.height < available.bottom {
4970 Some(bottom_position)
4971 } else {
4972 None
4973 }
4974 };
4975
4976 // Prefer choosing a direction using max sizes rather than actual size for stability.
4977 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4978 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4979 let aside_position = fit_within(available_within_text, wanted)
4980 // Fallback: fit max size in window.
4981 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4982 // Fallback: fit actual size in window.
4983 .or_else(|| fit_within(available_within_viewport, actual_size));
4984
4985 aside_position.map(|position| (aside, position, actual_size))
4986 };
4987
4988 // Skip drawing if it doesn't fit anywhere.
4989 if let Some((aside, position, size)) = positioned_aside {
4990 let aside_bounds = Bounds::new(position, size);
4991 window.defer_draw(aside, position, 2);
4992 return Some(aside_bounds);
4993 }
4994
4995 None
4996 }
4997
4998 fn render_context_menu(
4999 &self,
5000 line_height: Pixels,
5001 height: Pixels,
5002 window: &mut Window,
5003 cx: &mut App,
5004 ) -> Option<AnyElement> {
5005 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5006 self.editor.update(cx, |editor, cx| {
5007 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5008 })
5009 }
5010
5011 fn render_context_menu_aside(
5012 &self,
5013 max_size: Size<Pixels>,
5014 window: &mut Window,
5015 cx: &mut App,
5016 ) -> Option<AnyElement> {
5017 if max_size.width < px(100.) || max_size.height < px(12.) {
5018 None
5019 } else {
5020 self.editor.update(cx, |editor, cx| {
5021 editor.render_context_menu_aside(max_size, window, cx)
5022 })
5023 }
5024 }
5025
5026 fn layout_mouse_context_menu(
5027 &self,
5028 editor_snapshot: &EditorSnapshot,
5029 visible_range: Range<DisplayRow>,
5030 content_origin: gpui::Point<Pixels>,
5031 window: &mut Window,
5032 cx: &mut App,
5033 ) -> Option<AnyElement> {
5034 let position = self.editor.update(cx, |editor, _cx| {
5035 let visible_start_point = editor.display_to_pixel_point(
5036 DisplayPoint::new(visible_range.start, 0),
5037 editor_snapshot,
5038 window,
5039 )?;
5040 let visible_end_point = editor.display_to_pixel_point(
5041 DisplayPoint::new(visible_range.end, 0),
5042 editor_snapshot,
5043 window,
5044 )?;
5045
5046 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5047 let (source_display_point, position) = match mouse_context_menu.position {
5048 MenuPosition::PinnedToScreen(point) => (None, point),
5049 MenuPosition::PinnedToEditor { source, offset } => {
5050 let source_display_point = source.to_display_point(editor_snapshot);
5051 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5052 let position = content_origin + source_point + offset;
5053 (Some(source_display_point), position)
5054 }
5055 };
5056
5057 let source_included = source_display_point.is_none_or(|source_display_point| {
5058 visible_range
5059 .to_inclusive()
5060 .contains(&source_display_point.row())
5061 });
5062 let position_included =
5063 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5064 if !source_included && !position_included {
5065 None
5066 } else {
5067 Some(position)
5068 }
5069 })?;
5070
5071 let text_style = TextStyleRefinement {
5072 line_height: Some(DefiniteLength::Fraction(
5073 BufferLineHeight::Comfortable.value(),
5074 )),
5075 ..Default::default()
5076 };
5077 window.with_text_style(Some(text_style), |window| {
5078 let mut element = self.editor.read_with(cx, |editor, _| {
5079 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5080 let context_menu = mouse_context_menu.context_menu.clone();
5081
5082 Some(
5083 deferred(
5084 anchored()
5085 .position(position)
5086 .child(context_menu)
5087 .anchor(Corner::TopLeft)
5088 .snap_to_window_with_margin(px(8.)),
5089 )
5090 .with_priority(1)
5091 .into_any(),
5092 )
5093 })?;
5094
5095 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5096 Some(element)
5097 })
5098 }
5099
5100 fn layout_hover_popovers(
5101 &self,
5102 snapshot: &EditorSnapshot,
5103 hitbox: &Hitbox,
5104 visible_display_row_range: Range<DisplayRow>,
5105 content_origin: gpui::Point<Pixels>,
5106 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5107 line_layouts: &[LineWithInvisibles],
5108 line_height: Pixels,
5109 em_width: Pixels,
5110 context_menu_layout: Option<ContextMenuLayout>,
5111 window: &mut Window,
5112 cx: &mut App,
5113 ) {
5114 struct MeasuredHoverPopover {
5115 element: AnyElement,
5116 size: Size<Pixels>,
5117 horizontal_offset: Pixels,
5118 }
5119
5120 let max_size = size(
5121 (120. * em_width) // Default size
5122 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5123 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5124 (16. * line_height) // Default size
5125 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5126 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5127 );
5128
5129 let hover_popovers = self.editor.update(cx, |editor, cx| {
5130 editor.hover_state.render(
5131 snapshot,
5132 visible_display_row_range.clone(),
5133 max_size,
5134 window,
5135 cx,
5136 )
5137 });
5138 let Some((position, hover_popovers)) = hover_popovers else {
5139 return;
5140 };
5141
5142 // This is safe because we check on layout whether the required row is available
5143 let hovered_row_layout =
5144 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5145
5146 // Compute Hovered Point
5147 let x = hovered_row_layout.x_for_index(position.column() as usize)
5148 - Pixels::from(scroll_pixel_position.x);
5149 let y = Pixels::from(
5150 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5151 - scroll_pixel_position.y,
5152 );
5153 let hovered_point = content_origin + point(x, y);
5154
5155 let mut overall_height = Pixels::ZERO;
5156 let mut measured_hover_popovers = Vec::new();
5157 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5158 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5159 let horizontal_offset =
5160 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5161 .min(Pixels::ZERO);
5162 match position {
5163 itertools::Position::Middle | itertools::Position::Last => {
5164 overall_height += HOVER_POPOVER_GAP
5165 }
5166 _ => {}
5167 }
5168 overall_height += size.height;
5169 measured_hover_popovers.push(MeasuredHoverPopover {
5170 element: hover_popover,
5171 size,
5172 horizontal_offset,
5173 });
5174 }
5175
5176 fn draw_occluder(
5177 width: Pixels,
5178 origin: gpui::Point<Pixels>,
5179 window: &mut Window,
5180 cx: &mut App,
5181 ) {
5182 let mut occlusion = div()
5183 .size_full()
5184 .occlude()
5185 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5186 .into_any_element();
5187 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5188 window.defer_draw(occlusion, origin, 2);
5189 }
5190
5191 fn place_popovers_above(
5192 hovered_point: gpui::Point<Pixels>,
5193 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5194 window: &mut Window,
5195 cx: &mut App,
5196 ) {
5197 let mut current_y = hovered_point.y;
5198 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5199 let size = popover.size;
5200 let popover_origin = point(
5201 hovered_point.x + popover.horizontal_offset,
5202 current_y - size.height,
5203 );
5204
5205 window.defer_draw(popover.element, popover_origin, 2);
5206 if position != itertools::Position::Last {
5207 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5208 draw_occluder(size.width, origin, window, cx);
5209 }
5210
5211 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5212 }
5213 }
5214
5215 fn place_popovers_below(
5216 hovered_point: gpui::Point<Pixels>,
5217 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5218 line_height: Pixels,
5219 window: &mut Window,
5220 cx: &mut App,
5221 ) {
5222 let mut current_y = hovered_point.y + line_height;
5223 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5224 let size = popover.size;
5225 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5226
5227 window.defer_draw(popover.element, popover_origin, 2);
5228 if position != itertools::Position::Last {
5229 let origin = point(popover_origin.x, popover_origin.y + size.height);
5230 draw_occluder(size.width, origin, window, cx);
5231 }
5232
5233 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5234 }
5235 }
5236
5237 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5238 context_menu_layout
5239 .as_ref()
5240 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5241 };
5242
5243 let can_place_above = {
5244 let mut bounds_above = Vec::new();
5245 let mut current_y = hovered_point.y;
5246 for popover in &measured_hover_popovers {
5247 let size = popover.size;
5248 let popover_origin = point(
5249 hovered_point.x + popover.horizontal_offset,
5250 current_y - size.height,
5251 );
5252 bounds_above.push(Bounds::new(popover_origin, size));
5253 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5254 }
5255 bounds_above
5256 .iter()
5257 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5258 };
5259
5260 let can_place_below = || {
5261 let mut bounds_below = Vec::new();
5262 let mut current_y = hovered_point.y + line_height;
5263 for popover in &measured_hover_popovers {
5264 let size = popover.size;
5265 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5266 bounds_below.push(Bounds::new(popover_origin, size));
5267 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5268 }
5269 bounds_below
5270 .iter()
5271 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5272 };
5273
5274 if can_place_above {
5275 // try placing above hovered point
5276 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5277 } else if can_place_below() {
5278 // try placing below hovered point
5279 place_popovers_below(
5280 hovered_point,
5281 measured_hover_popovers,
5282 line_height,
5283 window,
5284 cx,
5285 );
5286 } else {
5287 // try to place popovers around the context menu
5288 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5289 let total_width = measured_hover_popovers
5290 .iter()
5291 .map(|p| p.size.width)
5292 .max()
5293 .unwrap_or(Pixels::ZERO);
5294 let y_for_horizontal_positioning = if menu.y_flipped {
5295 menu.bounds.bottom() - overall_height
5296 } else {
5297 menu.bounds.top()
5298 };
5299 let possible_origins = vec![
5300 // left of context menu
5301 point(
5302 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5303 y_for_horizontal_positioning,
5304 ),
5305 // right of context menu
5306 point(
5307 menu.bounds.right() + HOVER_POPOVER_GAP,
5308 y_for_horizontal_positioning,
5309 ),
5310 // top of context menu
5311 point(
5312 menu.bounds.left(),
5313 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5314 ),
5315 // bottom of context menu
5316 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5317 ];
5318 possible_origins.into_iter().find(|&origin| {
5319 Bounds::new(origin, size(total_width, overall_height))
5320 .is_contained_within(hitbox)
5321 })
5322 });
5323 if let Some(origin) = origin_surrounding_menu {
5324 let mut current_y = origin.y;
5325 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5326 let size = popover.size;
5327 let popover_origin = point(origin.x, current_y);
5328
5329 window.defer_draw(popover.element, popover_origin, 2);
5330 if position != itertools::Position::Last {
5331 let origin = point(popover_origin.x, popover_origin.y + size.height);
5332 draw_occluder(size.width, origin, window, cx);
5333 }
5334
5335 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5336 }
5337 } else {
5338 // fallback to existing above/below cursor logic
5339 // this might overlap menu or overflow in rare case
5340 if can_place_above {
5341 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5342 } else {
5343 place_popovers_below(
5344 hovered_point,
5345 measured_hover_popovers,
5346 line_height,
5347 window,
5348 cx,
5349 );
5350 }
5351 }
5352 }
5353 }
5354
5355 fn layout_diff_hunk_controls(
5356 &self,
5357 row_range: Range<DisplayRow>,
5358 row_infos: &[RowInfo],
5359 text_hitbox: &Hitbox,
5360 newest_cursor_position: Option<DisplayPoint>,
5361 line_height: Pixels,
5362 right_margin: Pixels,
5363 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5364 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5365 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5366 editor: Entity<Editor>,
5367 window: &mut Window,
5368 cx: &mut App,
5369 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5370 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5371 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5372
5373 let mut controls = vec![];
5374 let mut control_bounds = vec![];
5375
5376 let active_positions = [
5377 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5378 newest_cursor_position,
5379 ];
5380
5381 for (hunk, _) in display_hunks {
5382 if let DisplayDiffHunk::Unfolded {
5383 display_row_range,
5384 multi_buffer_range,
5385 status,
5386 is_created_file,
5387 ..
5388 } = &hunk
5389 {
5390 if display_row_range.start < row_range.start
5391 || display_row_range.start >= row_range.end
5392 {
5393 continue;
5394 }
5395 if highlighted_rows
5396 .get(&display_row_range.start)
5397 .and_then(|highlight| highlight.type_id)
5398 .is_some_and(|type_id| {
5399 [
5400 TypeId::of::<ConflictsOuter>(),
5401 TypeId::of::<ConflictsOursMarker>(),
5402 TypeId::of::<ConflictsOurs>(),
5403 TypeId::of::<ConflictsTheirs>(),
5404 TypeId::of::<ConflictsTheirsMarker>(),
5405 ]
5406 .contains(&type_id)
5407 })
5408 {
5409 continue;
5410 }
5411 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5412 if row_infos[row_ix].diff_status.is_none() {
5413 continue;
5414 }
5415 if row_infos[row_ix]
5416 .diff_status
5417 .is_some_and(|status| status.is_added())
5418 && !status.is_added()
5419 {
5420 continue;
5421 }
5422
5423 if active_positions
5424 .iter()
5425 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5426 {
5427 let y = (display_row_range.start.as_f64()
5428 * ScrollPixelOffset::from(line_height)
5429 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5430 - scroll_pixel_position.y)
5431 .into();
5432
5433 let mut element = render_diff_hunk_controls(
5434 display_row_range.start.0,
5435 status,
5436 multi_buffer_range.clone(),
5437 *is_created_file,
5438 line_height,
5439 &editor,
5440 window,
5441 cx,
5442 );
5443 let size =
5444 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5445
5446 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5447
5448 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5449 control_bounds.push((display_row_range.start, bounds));
5450
5451 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5452 element.prepaint(window, cx)
5453 });
5454 controls.push(element);
5455 }
5456 }
5457 }
5458
5459 (controls, control_bounds)
5460 }
5461
5462 fn layout_signature_help(
5463 &self,
5464 hitbox: &Hitbox,
5465 content_origin: gpui::Point<Pixels>,
5466 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5467 newest_selection_head: Option<DisplayPoint>,
5468 start_row: DisplayRow,
5469 line_layouts: &[LineWithInvisibles],
5470 line_height: Pixels,
5471 em_width: Pixels,
5472 context_menu_layout: Option<ContextMenuLayout>,
5473 window: &mut Window,
5474 cx: &mut App,
5475 ) {
5476 if !self.editor.focus_handle(cx).is_focused(window) {
5477 return;
5478 }
5479 let Some(newest_selection_head) = newest_selection_head else {
5480 return;
5481 };
5482
5483 let max_size = size(
5484 (120. * em_width) // Default size
5485 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5486 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5487 (16. * line_height) // Default size
5488 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5489 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5490 );
5491
5492 let maybe_element = self.editor.update(cx, |editor, cx| {
5493 if let Some(popover) = editor.signature_help_state.popover_mut() {
5494 let element = popover.render(max_size, window, cx);
5495 Some(element)
5496 } else {
5497 None
5498 }
5499 });
5500 let Some(mut element) = maybe_element else {
5501 return;
5502 };
5503
5504 let selection_row = newest_selection_head.row();
5505 let Some(cursor_row_layout) = (selection_row >= start_row)
5506 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5507 .flatten()
5508 else {
5509 return;
5510 };
5511
5512 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5513 - Pixels::from(scroll_pixel_position.x);
5514 let target_y = Pixels::from(
5515 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5516 );
5517 let target_point = content_origin + point(target_x, target_y);
5518
5519 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5520
5521 let (popover_bounds_above, popover_bounds_below) = {
5522 let horizontal_offset = (hitbox.top_right().x
5523 - POPOVER_RIGHT_OFFSET
5524 - (target_point.x + actual_size.width))
5525 .min(Pixels::ZERO);
5526 let initial_x = target_point.x + horizontal_offset;
5527 (
5528 Bounds::new(
5529 point(initial_x, target_point.y - actual_size.height),
5530 actual_size,
5531 ),
5532 Bounds::new(
5533 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5534 actual_size,
5535 ),
5536 )
5537 };
5538
5539 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5540 context_menu_layout
5541 .as_ref()
5542 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5543 };
5544
5545 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5546 && !intersects_menu(popover_bounds_above)
5547 {
5548 // try placing above cursor
5549 popover_bounds_above.origin
5550 } else if popover_bounds_below.is_contained_within(hitbox)
5551 && !intersects_menu(popover_bounds_below)
5552 {
5553 // try placing below cursor
5554 popover_bounds_below.origin
5555 } else {
5556 // try surrounding context menu if exists
5557 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5558 let y_for_horizontal_positioning = if menu.y_flipped {
5559 menu.bounds.bottom() - actual_size.height
5560 } else {
5561 menu.bounds.top()
5562 };
5563 let possible_origins = vec![
5564 // left of context menu
5565 point(
5566 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5567 y_for_horizontal_positioning,
5568 ),
5569 // right of context menu
5570 point(
5571 menu.bounds.right() + HOVER_POPOVER_GAP,
5572 y_for_horizontal_positioning,
5573 ),
5574 // top of context menu
5575 point(
5576 menu.bounds.left(),
5577 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5578 ),
5579 // bottom of context menu
5580 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5581 ];
5582 possible_origins
5583 .into_iter()
5584 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5585 });
5586 origin_surrounding_menu.unwrap_or_else(|| {
5587 // fallback to existing above/below cursor logic
5588 // this might overlap menu or overflow in rare case
5589 if popover_bounds_above.is_contained_within(hitbox) {
5590 popover_bounds_above.origin
5591 } else {
5592 popover_bounds_below.origin
5593 }
5594 })
5595 };
5596
5597 window.defer_draw(element, final_origin, 2);
5598 }
5599
5600 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5601 window.paint_layer(layout.hitbox.bounds, |window| {
5602 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5603 let gutter_bg = cx.theme().colors().editor_gutter_background;
5604 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5605 window.paint_quad(fill(
5606 layout.position_map.text_hitbox.bounds,
5607 self.style.background,
5608 ));
5609
5610 if matches!(
5611 layout.mode,
5612 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5613 ) {
5614 let show_active_line_background = match layout.mode {
5615 EditorMode::Full {
5616 show_active_line_background,
5617 ..
5618 } => show_active_line_background,
5619 EditorMode::Minimap { .. } => true,
5620 _ => false,
5621 };
5622 let mut active_rows = layout.active_rows.iter().peekable();
5623 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5624 let mut end_row = start_row.0;
5625 while active_rows
5626 .peek()
5627 .is_some_and(|(active_row, has_selection)| {
5628 active_row.0 == end_row + 1
5629 && has_selection.selection == contains_non_empty_selection.selection
5630 })
5631 {
5632 active_rows.next().unwrap();
5633 end_row += 1;
5634 }
5635
5636 if show_active_line_background && !contains_non_empty_selection.selection {
5637 let highlight_h_range =
5638 match layout.position_map.snapshot.current_line_highlight {
5639 CurrentLineHighlight::Gutter => Some(Range {
5640 start: layout.hitbox.left(),
5641 end: layout.gutter_hitbox.right(),
5642 }),
5643 CurrentLineHighlight::Line => Some(Range {
5644 start: layout.position_map.text_hitbox.bounds.left(),
5645 end: layout.position_map.text_hitbox.bounds.right(),
5646 }),
5647 CurrentLineHighlight::All => Some(Range {
5648 start: layout.hitbox.left(),
5649 end: layout.hitbox.right(),
5650 }),
5651 CurrentLineHighlight::None => None,
5652 };
5653 if let Some(range) = highlight_h_range {
5654 let active_line_bg = cx.theme().colors().editor_active_line_background;
5655 let bounds = Bounds {
5656 origin: point(
5657 range.start,
5658 layout.hitbox.origin.y
5659 + Pixels::from(
5660 (start_row.as_f64() - scroll_top)
5661 * ScrollPixelOffset::from(
5662 layout.position_map.line_height,
5663 ),
5664 ),
5665 ),
5666 size: size(
5667 range.end - range.start,
5668 layout.position_map.line_height
5669 * (end_row - start_row.0 + 1) as f32,
5670 ),
5671 };
5672 window.paint_quad(fill(bounds, active_line_bg));
5673 }
5674 }
5675 }
5676
5677 let mut paint_highlight = |highlight_row_start: DisplayRow,
5678 highlight_row_end: DisplayRow,
5679 highlight: crate::LineHighlight,
5680 edges| {
5681 let mut origin_x = layout.hitbox.left();
5682 let mut width = layout.hitbox.size.width;
5683 if !highlight.include_gutter {
5684 origin_x += layout.gutter_hitbox.size.width;
5685 width -= layout.gutter_hitbox.size.width;
5686 }
5687
5688 let origin = point(
5689 origin_x,
5690 layout.hitbox.origin.y
5691 + Pixels::from(
5692 (highlight_row_start.as_f64() - scroll_top)
5693 * ScrollPixelOffset::from(layout.position_map.line_height),
5694 ),
5695 );
5696 let size = size(
5697 width,
5698 layout.position_map.line_height
5699 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5700 );
5701 let mut quad = fill(Bounds { origin, size }, highlight.background);
5702 if let Some(border_color) = highlight.border {
5703 quad.border_color = border_color;
5704 quad.border_widths = edges
5705 }
5706 window.paint_quad(quad);
5707 };
5708
5709 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5710 None;
5711 for (&new_row, &new_background) in &layout.highlighted_rows {
5712 match &mut current_paint {
5713 &mut Some((current_background, ref mut current_range, mut edges)) => {
5714 let new_range_started = current_background != new_background
5715 || current_range.end.next_row() != new_row;
5716 if new_range_started {
5717 if current_range.end.next_row() == new_row {
5718 edges.bottom = px(0.);
5719 };
5720 paint_highlight(
5721 current_range.start,
5722 current_range.end,
5723 current_background,
5724 edges,
5725 );
5726 let edges = Edges {
5727 top: if current_range.end.next_row() != new_row {
5728 px(1.)
5729 } else {
5730 px(0.)
5731 },
5732 bottom: px(1.),
5733 ..Default::default()
5734 };
5735 current_paint = Some((new_background, new_row..new_row, edges));
5736 continue;
5737 } else {
5738 current_range.end = current_range.end.next_row();
5739 }
5740 }
5741 None => {
5742 let edges = Edges {
5743 top: px(1.),
5744 bottom: px(1.),
5745 ..Default::default()
5746 };
5747 current_paint = Some((new_background, new_row..new_row, edges))
5748 }
5749 };
5750 }
5751 if let Some((color, range, edges)) = current_paint {
5752 paint_highlight(range.start, range.end, color, edges);
5753 }
5754
5755 for (guide_x, active) in layout.wrap_guides.iter() {
5756 let color = if *active {
5757 cx.theme().colors().editor_active_wrap_guide
5758 } else {
5759 cx.theme().colors().editor_wrap_guide
5760 };
5761 window.paint_quad(fill(
5762 Bounds {
5763 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5764 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5765 },
5766 color,
5767 ));
5768 }
5769 }
5770 })
5771 }
5772
5773 fn paint_indent_guides(
5774 &mut self,
5775 layout: &mut EditorLayout,
5776 window: &mut Window,
5777 cx: &mut App,
5778 ) {
5779 let Some(indent_guides) = &layout.indent_guides else {
5780 return;
5781 };
5782
5783 let faded_color = |color: Hsla, alpha: f32| {
5784 let mut faded = color;
5785 faded.a = alpha;
5786 faded
5787 };
5788
5789 for indent_guide in indent_guides {
5790 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5791 let settings = &indent_guide.settings;
5792
5793 // TODO fixed for now, expose them through themes later
5794 const INDENT_AWARE_ALPHA: f32 = 0.2;
5795 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5796 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5797 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5798
5799 let line_color = match (settings.coloring, indent_guide.active) {
5800 (IndentGuideColoring::Disabled, _) => None,
5801 (IndentGuideColoring::Fixed, false) => {
5802 Some(cx.theme().colors().editor_indent_guide)
5803 }
5804 (IndentGuideColoring::Fixed, true) => {
5805 Some(cx.theme().colors().editor_indent_guide_active)
5806 }
5807 (IndentGuideColoring::IndentAware, false) => {
5808 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5809 }
5810 (IndentGuideColoring::IndentAware, true) => {
5811 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5812 }
5813 };
5814
5815 let background_color = match (settings.background_coloring, indent_guide.active) {
5816 (IndentGuideBackgroundColoring::Disabled, _) => None,
5817 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5818 indent_accent_colors,
5819 INDENT_AWARE_BACKGROUND_ALPHA,
5820 )),
5821 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5822 indent_accent_colors,
5823 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5824 )),
5825 };
5826
5827 let requested_line_width = if indent_guide.active {
5828 settings.active_line_width
5829 } else {
5830 settings.line_width
5831 }
5832 .clamp(1, 10);
5833 let mut line_indicator_width = 0.;
5834 if let Some(color) = line_color {
5835 window.paint_quad(fill(
5836 Bounds {
5837 origin: indent_guide.origin,
5838 size: size(px(requested_line_width as f32), indent_guide.length),
5839 },
5840 color,
5841 ));
5842 line_indicator_width = requested_line_width as f32;
5843 }
5844
5845 if let Some(color) = background_color {
5846 let width = indent_guide.single_indent_width - px(line_indicator_width);
5847 window.paint_quad(fill(
5848 Bounds {
5849 origin: point(
5850 indent_guide.origin.x + px(line_indicator_width),
5851 indent_guide.origin.y,
5852 ),
5853 size: size(width, indent_guide.length),
5854 },
5855 color,
5856 ));
5857 }
5858 }
5859 }
5860
5861 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5862 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5863
5864 let line_height = layout.position_map.line_height;
5865 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5866
5867 for line_layout in layout.line_numbers.values() {
5868 for LineNumberSegment {
5869 shaped_line,
5870 hitbox,
5871 } in &line_layout.segments
5872 {
5873 let Some(hitbox) = hitbox else {
5874 continue;
5875 };
5876
5877 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5878 let color = cx.theme().colors().editor_hover_line_number;
5879
5880 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5881 line.paint(hitbox.origin, line_height, window, cx).log_err()
5882 } else {
5883 shaped_line
5884 .paint(hitbox.origin, line_height, window, cx)
5885 .log_err()
5886 }) else {
5887 continue;
5888 };
5889
5890 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5891 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5892 if is_singleton {
5893 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5894 } else {
5895 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5896 }
5897 }
5898 }
5899 }
5900
5901 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5902 if layout.display_hunks.is_empty() {
5903 return;
5904 }
5905
5906 let line_height = layout.position_map.line_height;
5907 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5908 for (hunk, hitbox) in &layout.display_hunks {
5909 let hunk_to_paint = match hunk {
5910 DisplayDiffHunk::Folded { .. } => {
5911 let hunk_bounds = Self::diff_hunk_bounds(
5912 &layout.position_map.snapshot,
5913 line_height,
5914 layout.gutter_hitbox.bounds,
5915 hunk,
5916 );
5917 Some((
5918 hunk_bounds,
5919 cx.theme().colors().version_control_modified,
5920 Corners::all(px(0.)),
5921 DiffHunkStatus::modified_none(),
5922 ))
5923 }
5924 DisplayDiffHunk::Unfolded {
5925 status,
5926 display_row_range,
5927 ..
5928 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5929 DiffHunkStatusKind::Added => (
5930 hunk_hitbox.bounds,
5931 cx.theme().colors().version_control_added,
5932 Corners::all(px(0.)),
5933 *status,
5934 ),
5935 DiffHunkStatusKind::Modified => (
5936 hunk_hitbox.bounds,
5937 cx.theme().colors().version_control_modified,
5938 Corners::all(px(0.)),
5939 *status,
5940 ),
5941 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5942 hunk_hitbox.bounds,
5943 cx.theme().colors().version_control_deleted,
5944 Corners::all(px(0.)),
5945 *status,
5946 ),
5947 DiffHunkStatusKind::Deleted => (
5948 Bounds::new(
5949 point(
5950 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5951 hunk_hitbox.origin.y,
5952 ),
5953 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5954 ),
5955 cx.theme().colors().version_control_deleted,
5956 Corners::all(1. * line_height),
5957 *status,
5958 ),
5959 }),
5960 };
5961
5962 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5963 // Flatten the background color with the editor color to prevent
5964 // elements below transparent hunks from showing through
5965 let flattened_background_color = cx
5966 .theme()
5967 .colors()
5968 .editor_background
5969 .blend(background_color);
5970
5971 if !Self::diff_hunk_hollow(status, cx) {
5972 window.paint_quad(quad(
5973 hunk_bounds,
5974 corner_radii,
5975 flattened_background_color,
5976 Edges::default(),
5977 transparent_black(),
5978 BorderStyle::default(),
5979 ));
5980 } else {
5981 let flattened_unstaged_background_color = cx
5982 .theme()
5983 .colors()
5984 .editor_background
5985 .blend(background_color.opacity(0.3));
5986
5987 window.paint_quad(quad(
5988 hunk_bounds,
5989 corner_radii,
5990 flattened_unstaged_background_color,
5991 Edges::all(px(1.0)),
5992 flattened_background_color,
5993 BorderStyle::Solid,
5994 ));
5995 }
5996 }
5997 }
5998 });
5999 }
6000
6001 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6002 (0.275 * line_height).floor()
6003 }
6004
6005 fn diff_hunk_bounds(
6006 snapshot: &EditorSnapshot,
6007 line_height: Pixels,
6008 gutter_bounds: Bounds<Pixels>,
6009 hunk: &DisplayDiffHunk,
6010 ) -> Bounds<Pixels> {
6011 let scroll_position = snapshot.scroll_position();
6012 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6013 let gutter_strip_width = Self::gutter_strip_width(line_height);
6014
6015 match hunk {
6016 DisplayDiffHunk::Folded { display_row, .. } => {
6017 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6018 - scroll_top)
6019 .into();
6020 let end_y = start_y + line_height;
6021 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6022 let highlight_size = size(gutter_strip_width, end_y - start_y);
6023 Bounds::new(highlight_origin, highlight_size)
6024 }
6025 DisplayDiffHunk::Unfolded {
6026 display_row_range,
6027 status,
6028 ..
6029 } => {
6030 if status.is_deleted() && display_row_range.is_empty() {
6031 let row = display_row_range.start;
6032
6033 let offset = ScrollPixelOffset::from(line_height / 2.);
6034 let start_y =
6035 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6036 .into();
6037 let end_y = start_y + line_height;
6038
6039 let width = (0.35 * line_height).floor();
6040 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6041 let highlight_size = size(width, end_y - start_y);
6042 Bounds::new(highlight_origin, highlight_size)
6043 } else {
6044 let start_row = display_row_range.start;
6045 let end_row = display_row_range.end;
6046 // If we're in a multibuffer, row range span might include an
6047 // excerpt header, so if we were to draw the marker straight away,
6048 // the hunk might include the rows of that header.
6049 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6050 // Instead, we simply check whether the range we're dealing with includes
6051 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6052 let end_row_in_current_excerpt = snapshot
6053 .blocks_in_range(start_row..end_row)
6054 .find_map(|(start_row, block)| {
6055 if matches!(
6056 block,
6057 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6058 ) {
6059 Some(start_row)
6060 } else {
6061 None
6062 }
6063 })
6064 .unwrap_or(end_row);
6065
6066 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6067 - scroll_top)
6068 .into();
6069 let end_y = Pixels::from(
6070 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6071 - scroll_top,
6072 );
6073
6074 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6075 let highlight_size = size(gutter_strip_width, end_y - start_y);
6076 Bounds::new(highlight_origin, highlight_size)
6077 }
6078 }
6079 }
6080 }
6081
6082 fn paint_gutter_indicators(
6083 &self,
6084 layout: &mut EditorLayout,
6085 window: &mut Window,
6086 cx: &mut App,
6087 ) {
6088 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6089 window.with_element_namespace("crease_toggles", |window| {
6090 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6091 crease_toggle.paint(window, cx);
6092 }
6093 });
6094
6095 window.with_element_namespace("expand_toggles", |window| {
6096 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6097 expand_toggle.paint(window, cx);
6098 }
6099 });
6100
6101 for breakpoint in layout.breakpoints.iter_mut() {
6102 breakpoint.paint(window, cx);
6103 }
6104
6105 for test_indicator in layout.test_indicators.iter_mut() {
6106 test_indicator.paint(window, cx);
6107 }
6108 });
6109 }
6110
6111 fn paint_gutter_highlights(
6112 &self,
6113 layout: &mut EditorLayout,
6114 window: &mut Window,
6115 cx: &mut App,
6116 ) {
6117 for (_, hunk_hitbox) in &layout.display_hunks {
6118 if let Some(hunk_hitbox) = hunk_hitbox
6119 && !self
6120 .editor
6121 .read(cx)
6122 .buffer()
6123 .read(cx)
6124 .all_diff_hunks_expanded()
6125 {
6126 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6127 }
6128 }
6129
6130 let show_git_gutter = layout
6131 .position_map
6132 .snapshot
6133 .show_git_diff_gutter
6134 .unwrap_or_else(|| {
6135 matches!(
6136 ProjectSettings::get_global(cx).git.git_gutter,
6137 GitGutterSetting::TrackedFiles
6138 )
6139 });
6140 if show_git_gutter {
6141 Self::paint_gutter_diff_hunks(layout, window, cx)
6142 }
6143
6144 let highlight_width = 0.275 * layout.position_map.line_height;
6145 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6146 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6147 for (range, color) in &layout.highlighted_gutter_ranges {
6148 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6149 layout.visible_display_row_range.start - DisplayRow(1)
6150 } else {
6151 range.start.row()
6152 };
6153 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6154 layout.visible_display_row_range.end + DisplayRow(1)
6155 } else {
6156 range.end.row()
6157 };
6158
6159 let start_y = layout.gutter_hitbox.top()
6160 + Pixels::from(
6161 start_row.0 as f64
6162 * ScrollPixelOffset::from(layout.position_map.line_height)
6163 - layout.position_map.scroll_pixel_position.y,
6164 );
6165 let end_y = layout.gutter_hitbox.top()
6166 + Pixels::from(
6167 (end_row.0 + 1) as f64
6168 * ScrollPixelOffset::from(layout.position_map.line_height)
6169 - layout.position_map.scroll_pixel_position.y,
6170 );
6171 let bounds = Bounds::from_corners(
6172 point(layout.gutter_hitbox.left(), start_y),
6173 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6174 );
6175 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6176 }
6177 });
6178 }
6179
6180 fn paint_blamed_display_rows(
6181 &self,
6182 layout: &mut EditorLayout,
6183 window: &mut Window,
6184 cx: &mut App,
6185 ) {
6186 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6187 return;
6188 };
6189
6190 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6191 for mut blame_element in blamed_display_rows.into_iter() {
6192 blame_element.paint(window, cx);
6193 }
6194 })
6195 }
6196
6197 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6198 window.with_content_mask(
6199 Some(ContentMask {
6200 bounds: layout.position_map.text_hitbox.bounds,
6201 }),
6202 |window| {
6203 let editor = self.editor.read(cx);
6204 if editor.mouse_cursor_hidden {
6205 window.set_window_cursor_style(CursorStyle::None);
6206 } else if let SelectionDragState::ReadyToDrag {
6207 mouse_down_time, ..
6208 } = &editor.selection_drag_state
6209 {
6210 let drag_and_drop_delay = Duration::from_millis(
6211 EditorSettings::get_global(cx)
6212 .drag_and_drop_selection
6213 .delay
6214 .0,
6215 );
6216 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6217 window.set_cursor_style(
6218 CursorStyle::DragCopy,
6219 &layout.position_map.text_hitbox,
6220 );
6221 }
6222 } else if matches!(
6223 editor.selection_drag_state,
6224 SelectionDragState::Dragging { .. }
6225 ) {
6226 window
6227 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6228 } else if editor
6229 .hovered_link_state
6230 .as_ref()
6231 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6232 {
6233 window.set_cursor_style(
6234 CursorStyle::PointingHand,
6235 &layout.position_map.text_hitbox,
6236 );
6237 } else {
6238 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6239 };
6240
6241 self.paint_lines_background(layout, window, cx);
6242 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6243 self.paint_document_colors(layout, window);
6244 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6245 self.paint_redactions(layout, window);
6246 self.paint_cursors(layout, window, cx);
6247 self.paint_inline_diagnostics(layout, window, cx);
6248 self.paint_inline_blame(layout, window, cx);
6249 self.paint_inline_code_actions(layout, window, cx);
6250 self.paint_diff_hunk_controls(layout, window, cx);
6251 window.with_element_namespace("crease_trailers", |window| {
6252 for trailer in layout.crease_trailers.iter_mut().flatten() {
6253 trailer.element.paint(window, cx);
6254 }
6255 });
6256 },
6257 )
6258 }
6259
6260 fn paint_highlights(
6261 &mut self,
6262 layout: &mut EditorLayout,
6263 window: &mut Window,
6264 cx: &mut App,
6265 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6266 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6267 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6268 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6269 for (range, color) in &layout.highlighted_ranges {
6270 self.paint_highlighted_range(
6271 range.clone(),
6272 true,
6273 *color,
6274 Pixels::ZERO,
6275 line_end_overshoot,
6276 layout,
6277 window,
6278 );
6279 }
6280
6281 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6282 0.15 * layout.position_map.line_height
6283 } else {
6284 Pixels::ZERO
6285 };
6286
6287 for (player_color, selections) in &layout.selections {
6288 for selection in selections.iter() {
6289 self.paint_highlighted_range(
6290 selection.range.clone(),
6291 true,
6292 player_color.selection,
6293 corner_radius,
6294 corner_radius * 2.,
6295 layout,
6296 window,
6297 );
6298
6299 if selection.is_local && !selection.range.is_empty() {
6300 invisible_display_ranges.push(selection.range.clone());
6301 }
6302 }
6303 }
6304 invisible_display_ranges
6305 })
6306 }
6307
6308 fn paint_lines(
6309 &mut self,
6310 invisible_display_ranges: &[Range<DisplayPoint>],
6311 layout: &mut EditorLayout,
6312 window: &mut Window,
6313 cx: &mut App,
6314 ) {
6315 let whitespace_setting = self
6316 .editor
6317 .read(cx)
6318 .buffer
6319 .read(cx)
6320 .language_settings(cx)
6321 .show_whitespaces;
6322
6323 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6324 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6325 line_with_invisibles.draw(
6326 layout,
6327 row,
6328 layout.content_origin,
6329 whitespace_setting,
6330 invisible_display_ranges,
6331 window,
6332 cx,
6333 )
6334 }
6335
6336 for line_element in &mut layout.line_elements {
6337 line_element.paint(window, cx);
6338 }
6339 }
6340
6341 fn paint_lines_background(
6342 &mut self,
6343 layout: &mut EditorLayout,
6344 window: &mut Window,
6345 cx: &mut App,
6346 ) {
6347 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6348 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6349 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6350 }
6351 }
6352
6353 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6354 if layout.redacted_ranges.is_empty() {
6355 return;
6356 }
6357
6358 let line_end_overshoot = layout.line_end_overshoot();
6359
6360 // A softer than perfect black
6361 let redaction_color = gpui::rgb(0x0e1111);
6362
6363 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6364 for range in layout.redacted_ranges.iter() {
6365 self.paint_highlighted_range(
6366 range.clone(),
6367 true,
6368 redaction_color.into(),
6369 Pixels::ZERO,
6370 line_end_overshoot,
6371 layout,
6372 window,
6373 );
6374 }
6375 });
6376 }
6377
6378 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6379 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6380 return;
6381 };
6382 if image_colors.is_empty()
6383 || colors_render_mode == &DocumentColorsRenderMode::None
6384 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6385 {
6386 return;
6387 }
6388
6389 let line_end_overshoot = layout.line_end_overshoot();
6390
6391 for (range, color) in image_colors {
6392 match colors_render_mode {
6393 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6394 DocumentColorsRenderMode::Background => {
6395 self.paint_highlighted_range(
6396 range.clone(),
6397 true,
6398 *color,
6399 Pixels::ZERO,
6400 line_end_overshoot,
6401 layout,
6402 window,
6403 );
6404 }
6405 DocumentColorsRenderMode::Border => {
6406 self.paint_highlighted_range(
6407 range.clone(),
6408 false,
6409 *color,
6410 Pixels::ZERO,
6411 line_end_overshoot,
6412 layout,
6413 window,
6414 );
6415 }
6416 }
6417 }
6418 }
6419
6420 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6421 for cursor in &mut layout.visible_cursors {
6422 cursor.paint(layout.content_origin, window, cx);
6423 }
6424 }
6425
6426 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6427 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6428 return;
6429 };
6430 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6431
6432 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6433 let hitbox = &scrollbar_layout.hitbox;
6434 if scrollbars_layout.visible {
6435 let scrollbar_edges = match axis {
6436 ScrollbarAxis::Horizontal => Edges {
6437 top: Pixels::ZERO,
6438 right: Pixels::ZERO,
6439 bottom: Pixels::ZERO,
6440 left: Pixels::ZERO,
6441 },
6442 ScrollbarAxis::Vertical => Edges {
6443 top: Pixels::ZERO,
6444 right: Pixels::ZERO,
6445 bottom: Pixels::ZERO,
6446 left: ScrollbarLayout::BORDER_WIDTH,
6447 },
6448 };
6449
6450 window.paint_layer(hitbox.bounds, |window| {
6451 window.paint_quad(quad(
6452 hitbox.bounds,
6453 Corners::default(),
6454 cx.theme().colors().scrollbar_track_background,
6455 scrollbar_edges,
6456 cx.theme().colors().scrollbar_track_border,
6457 BorderStyle::Solid,
6458 ));
6459
6460 if axis == ScrollbarAxis::Vertical {
6461 let fast_markers =
6462 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6463 // Refresh slow scrollbar markers in the background. Below, we
6464 // paint whatever markers have already been computed.
6465 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6466
6467 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6468 for marker in markers.iter().chain(&fast_markers) {
6469 let mut marker = marker.clone();
6470 marker.bounds.origin += hitbox.origin;
6471 window.paint_quad(marker);
6472 }
6473 }
6474
6475 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6476 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6477 ScrollbarThumbState::Dragging => {
6478 cx.theme().colors().scrollbar_thumb_active_background
6479 }
6480 ScrollbarThumbState::Hovered => {
6481 cx.theme().colors().scrollbar_thumb_hover_background
6482 }
6483 ScrollbarThumbState::Idle => {
6484 cx.theme().colors().scrollbar_thumb_background
6485 }
6486 };
6487 window.paint_quad(quad(
6488 thumb_bounds,
6489 Corners::default(),
6490 scrollbar_thumb_color,
6491 scrollbar_edges,
6492 cx.theme().colors().scrollbar_thumb_border,
6493 BorderStyle::Solid,
6494 ));
6495
6496 if any_scrollbar_dragged {
6497 window.set_window_cursor_style(CursorStyle::Arrow);
6498 } else {
6499 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6500 }
6501 }
6502 })
6503 }
6504 }
6505
6506 window.on_mouse_event({
6507 let editor = self.editor.clone();
6508 let scrollbars_layout = scrollbars_layout.clone();
6509
6510 let mut mouse_position = window.mouse_position();
6511 move |event: &MouseMoveEvent, phase, window, cx| {
6512 if phase == DispatchPhase::Capture {
6513 return;
6514 }
6515
6516 editor.update(cx, |editor, cx| {
6517 if let Some((scrollbar_layout, axis)) = event
6518 .pressed_button
6519 .filter(|button| *button == MouseButton::Left)
6520 .and(editor.scroll_manager.dragging_scrollbar_axis())
6521 .and_then(|axis| {
6522 scrollbars_layout
6523 .iter_scrollbars()
6524 .find(|(_, a)| *a == axis)
6525 })
6526 {
6527 let ScrollbarLayout {
6528 hitbox,
6529 text_unit_size,
6530 ..
6531 } = scrollbar_layout;
6532
6533 let old_position = mouse_position.along(axis);
6534 let new_position = event.position.along(axis);
6535 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6536 .contains(&old_position)
6537 {
6538 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6539 (p + ScrollOffset::from(
6540 (new_position - old_position) / *text_unit_size,
6541 ))
6542 .max(0.)
6543 });
6544 editor.set_scroll_position(position, window, cx);
6545 }
6546
6547 editor.scroll_manager.show_scrollbars(window, cx);
6548 cx.stop_propagation();
6549 } else if let Some((layout, axis)) = scrollbars_layout
6550 .get_hovered_axis(window)
6551 .filter(|_| !event.dragging())
6552 {
6553 if layout.thumb_hovered(&event.position) {
6554 editor
6555 .scroll_manager
6556 .set_hovered_scroll_thumb_axis(axis, cx);
6557 } else {
6558 editor.scroll_manager.reset_scrollbar_state(cx);
6559 }
6560
6561 editor.scroll_manager.show_scrollbars(window, cx);
6562 } else {
6563 editor.scroll_manager.reset_scrollbar_state(cx);
6564 }
6565
6566 mouse_position = event.position;
6567 })
6568 }
6569 });
6570
6571 if any_scrollbar_dragged {
6572 window.on_mouse_event({
6573 let editor = self.editor.clone();
6574 move |_: &MouseUpEvent, phase, window, cx| {
6575 if phase == DispatchPhase::Capture {
6576 return;
6577 }
6578
6579 editor.update(cx, |editor, cx| {
6580 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6581 editor
6582 .scroll_manager
6583 .set_hovered_scroll_thumb_axis(axis, cx);
6584 } else {
6585 editor.scroll_manager.reset_scrollbar_state(cx);
6586 }
6587 cx.stop_propagation();
6588 });
6589 }
6590 });
6591 } else {
6592 window.on_mouse_event({
6593 let editor = self.editor.clone();
6594
6595 move |event: &MouseDownEvent, phase, window, cx| {
6596 if phase == DispatchPhase::Capture {
6597 return;
6598 }
6599 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6600 else {
6601 return;
6602 };
6603
6604 let ScrollbarLayout {
6605 hitbox,
6606 visible_range,
6607 text_unit_size,
6608 thumb_bounds,
6609 ..
6610 } = scrollbar_layout;
6611
6612 let Some(thumb_bounds) = thumb_bounds else {
6613 return;
6614 };
6615
6616 editor.update(cx, |editor, cx| {
6617 editor
6618 .scroll_manager
6619 .set_dragged_scroll_thumb_axis(axis, cx);
6620
6621 let event_position = event.position.along(axis);
6622
6623 if event_position < thumb_bounds.origin.along(axis)
6624 || thumb_bounds.bottom_right().along(axis) < event_position
6625 {
6626 let center_position = ((event_position - hitbox.origin.along(axis))
6627 / *text_unit_size)
6628 .round() as u32;
6629 let start_position = center_position.saturating_sub(
6630 (visible_range.end - visible_range.start) as u32 / 2,
6631 );
6632
6633 let position = editor
6634 .scroll_position(cx)
6635 .apply_along(axis, |_| start_position as ScrollOffset);
6636
6637 editor.set_scroll_position(position, window, cx);
6638 } else {
6639 editor.scroll_manager.show_scrollbars(window, cx);
6640 }
6641
6642 cx.stop_propagation();
6643 });
6644 }
6645 });
6646 }
6647 }
6648
6649 fn collect_fast_scrollbar_markers(
6650 &self,
6651 layout: &EditorLayout,
6652 scrollbar_layout: &ScrollbarLayout,
6653 cx: &mut App,
6654 ) -> Vec<PaintQuad> {
6655 const LIMIT: usize = 100;
6656 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6657 return vec![];
6658 }
6659 let cursor_ranges = layout
6660 .cursors
6661 .iter()
6662 .map(|(point, color)| ColoredRange {
6663 start: point.row(),
6664 end: point.row(),
6665 color: *color,
6666 })
6667 .collect_vec();
6668 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6669 }
6670
6671 fn refresh_slow_scrollbar_markers(
6672 &self,
6673 layout: &EditorLayout,
6674 scrollbar_layout: &ScrollbarLayout,
6675 window: &mut Window,
6676 cx: &mut App,
6677 ) {
6678 self.editor.update(cx, |editor, cx| {
6679 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6680 || !editor
6681 .scrollbar_marker_state
6682 .should_refresh(scrollbar_layout.hitbox.size)
6683 {
6684 return;
6685 }
6686
6687 let scrollbar_layout = scrollbar_layout.clone();
6688 let background_highlights = editor.background_highlights.clone();
6689 let snapshot = layout.position_map.snapshot.clone();
6690 let theme = cx.theme().clone();
6691 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6692
6693 editor.scrollbar_marker_state.dirty = false;
6694 editor.scrollbar_marker_state.pending_refresh =
6695 Some(cx.spawn_in(window, async move |editor, cx| {
6696 let scrollbar_size = scrollbar_layout.hitbox.size;
6697 let scrollbar_markers = cx
6698 .background_spawn(async move {
6699 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6700 let mut marker_quads = Vec::new();
6701 if scrollbar_settings.git_diff {
6702 let marker_row_ranges =
6703 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6704 let start_display_row =
6705 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6706 .to_display_point(&snapshot.display_snapshot)
6707 .row();
6708 let mut end_display_row =
6709 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6710 .to_display_point(&snapshot.display_snapshot)
6711 .row();
6712 if end_display_row != start_display_row {
6713 end_display_row.0 -= 1;
6714 }
6715 let color = match &hunk.status().kind {
6716 DiffHunkStatusKind::Added => {
6717 theme.colors().version_control_added
6718 }
6719 DiffHunkStatusKind::Modified => {
6720 theme.colors().version_control_modified
6721 }
6722 DiffHunkStatusKind::Deleted => {
6723 theme.colors().version_control_deleted
6724 }
6725 };
6726 ColoredRange {
6727 start: start_display_row,
6728 end: end_display_row,
6729 color,
6730 }
6731 });
6732
6733 marker_quads.extend(
6734 scrollbar_layout
6735 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6736 );
6737 }
6738
6739 for (background_highlight_id, (_, background_ranges)) in
6740 background_highlights.iter()
6741 {
6742 let is_search_highlights = *background_highlight_id
6743 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6744 let is_text_highlights = *background_highlight_id
6745 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6746 let is_symbol_occurrences = *background_highlight_id
6747 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6748 || *background_highlight_id
6749 == HighlightKey::Type(
6750 TypeId::of::<DocumentHighlightWrite>(),
6751 );
6752 if (is_search_highlights && scrollbar_settings.search_results)
6753 || (is_text_highlights && scrollbar_settings.selected_text)
6754 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6755 {
6756 let mut color = theme.status().info;
6757 if is_symbol_occurrences {
6758 color.fade_out(0.5);
6759 }
6760 let marker_row_ranges = background_ranges.iter().map(|range| {
6761 let display_start = range
6762 .start
6763 .to_display_point(&snapshot.display_snapshot);
6764 let display_end =
6765 range.end.to_display_point(&snapshot.display_snapshot);
6766 ColoredRange {
6767 start: display_start.row(),
6768 end: display_end.row(),
6769 color,
6770 }
6771 });
6772 marker_quads.extend(
6773 scrollbar_layout
6774 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6775 );
6776 }
6777 }
6778
6779 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6780 let diagnostics = snapshot
6781 .buffer_snapshot()
6782 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6783 // Don't show diagnostics the user doesn't care about
6784 .filter(|diagnostic| {
6785 match (
6786 scrollbar_settings.diagnostics,
6787 diagnostic.diagnostic.severity,
6788 ) {
6789 (ScrollbarDiagnostics::All, _) => true,
6790 (
6791 ScrollbarDiagnostics::Error,
6792 lsp::DiagnosticSeverity::ERROR,
6793 ) => true,
6794 (
6795 ScrollbarDiagnostics::Warning,
6796 lsp::DiagnosticSeverity::ERROR
6797 | lsp::DiagnosticSeverity::WARNING,
6798 ) => true,
6799 (
6800 ScrollbarDiagnostics::Information,
6801 lsp::DiagnosticSeverity::ERROR
6802 | lsp::DiagnosticSeverity::WARNING
6803 | lsp::DiagnosticSeverity::INFORMATION,
6804 ) => true,
6805 (_, _) => false,
6806 }
6807 })
6808 // We want to sort by severity, in order to paint the most severe diagnostics last.
6809 .sorted_by_key(|diagnostic| {
6810 std::cmp::Reverse(diagnostic.diagnostic.severity)
6811 });
6812
6813 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6814 let start_display = diagnostic
6815 .range
6816 .start
6817 .to_display_point(&snapshot.display_snapshot);
6818 let end_display = diagnostic
6819 .range
6820 .end
6821 .to_display_point(&snapshot.display_snapshot);
6822 let color = match diagnostic.diagnostic.severity {
6823 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6824 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6825 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6826 _ => theme.status().hint,
6827 };
6828 ColoredRange {
6829 start: start_display.row(),
6830 end: end_display.row(),
6831 color,
6832 }
6833 });
6834 marker_quads.extend(
6835 scrollbar_layout
6836 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6837 );
6838 }
6839
6840 Arc::from(marker_quads)
6841 })
6842 .await;
6843
6844 editor.update(cx, |editor, cx| {
6845 editor.scrollbar_marker_state.markers = scrollbar_markers;
6846 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6847 editor.scrollbar_marker_state.pending_refresh = None;
6848 cx.notify();
6849 })?;
6850
6851 Ok(())
6852 }));
6853 });
6854 }
6855
6856 fn paint_highlighted_range(
6857 &self,
6858 range: Range<DisplayPoint>,
6859 fill: bool,
6860 color: Hsla,
6861 corner_radius: Pixels,
6862 line_end_overshoot: Pixels,
6863 layout: &EditorLayout,
6864 window: &mut Window,
6865 ) {
6866 let start_row = layout.visible_display_row_range.start;
6867 let end_row = layout.visible_display_row_range.end;
6868 if range.start != range.end {
6869 let row_range = if range.end.column() == 0 {
6870 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6871 } else {
6872 cmp::max(range.start.row(), start_row)
6873 ..cmp::min(range.end.row().next_row(), end_row)
6874 };
6875
6876 let highlighted_range = HighlightedRange {
6877 color,
6878 line_height: layout.position_map.line_height,
6879 corner_radius,
6880 start_y: layout.content_origin.y
6881 + Pixels::from(
6882 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6883 * ScrollOffset::from(layout.position_map.line_height),
6884 ),
6885 lines: row_range
6886 .iter_rows()
6887 .map(|row| {
6888 let line_layout =
6889 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6890 HighlightedRangeLine {
6891 start_x: if row == range.start.row() {
6892 layout.content_origin.x
6893 + Pixels::from(
6894 ScrollPixelOffset::from(
6895 line_layout.x_for_index(range.start.column() as usize),
6896 ) - layout.position_map.scroll_pixel_position.x,
6897 )
6898 } else {
6899 layout.content_origin.x
6900 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6901 },
6902 end_x: if row == range.end.row() {
6903 layout.content_origin.x
6904 + Pixels::from(
6905 ScrollPixelOffset::from(
6906 line_layout.x_for_index(range.end.column() as usize),
6907 ) - layout.position_map.scroll_pixel_position.x,
6908 )
6909 } else {
6910 Pixels::from(
6911 ScrollPixelOffset::from(
6912 layout.content_origin.x
6913 + line_layout.width
6914 + line_end_overshoot,
6915 ) - layout.position_map.scroll_pixel_position.x,
6916 )
6917 },
6918 }
6919 })
6920 .collect(),
6921 };
6922
6923 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6924 }
6925 }
6926
6927 fn paint_inline_diagnostics(
6928 &mut self,
6929 layout: &mut EditorLayout,
6930 window: &mut Window,
6931 cx: &mut App,
6932 ) {
6933 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6934 inline_diagnostic.1.paint(window, cx);
6935 }
6936 }
6937
6938 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6939 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6940 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6941 blame_layout.element.paint(window, cx);
6942 })
6943 }
6944 }
6945
6946 fn paint_inline_code_actions(
6947 &mut self,
6948 layout: &mut EditorLayout,
6949 window: &mut Window,
6950 cx: &mut App,
6951 ) {
6952 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6953 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6954 inline_code_actions.paint(window, cx);
6955 })
6956 }
6957 }
6958
6959 fn paint_diff_hunk_controls(
6960 &mut self,
6961 layout: &mut EditorLayout,
6962 window: &mut Window,
6963 cx: &mut App,
6964 ) {
6965 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6966 diff_hunk_control.paint(window, cx);
6967 }
6968 }
6969
6970 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6971 if let Some(mut layout) = layout.minimap.take() {
6972 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6973 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6974
6975 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6976 window.with_element_namespace("minimap", |window| {
6977 layout.minimap.paint(window, cx);
6978 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6979 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6980 ScrollbarThumbState::Idle => {
6981 cx.theme().colors().minimap_thumb_background
6982 }
6983 ScrollbarThumbState::Hovered => {
6984 cx.theme().colors().minimap_thumb_hover_background
6985 }
6986 ScrollbarThumbState::Dragging => {
6987 cx.theme().colors().minimap_thumb_active_background
6988 }
6989 };
6990 let minimap_thumb_border = match layout.thumb_border_style {
6991 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6992 MinimapThumbBorder::LeftOnly => Edges {
6993 left: ScrollbarLayout::BORDER_WIDTH,
6994 ..Default::default()
6995 },
6996 MinimapThumbBorder::LeftOpen => Edges {
6997 right: ScrollbarLayout::BORDER_WIDTH,
6998 top: ScrollbarLayout::BORDER_WIDTH,
6999 bottom: ScrollbarLayout::BORDER_WIDTH,
7000 ..Default::default()
7001 },
7002 MinimapThumbBorder::RightOpen => Edges {
7003 left: ScrollbarLayout::BORDER_WIDTH,
7004 top: ScrollbarLayout::BORDER_WIDTH,
7005 bottom: ScrollbarLayout::BORDER_WIDTH,
7006 ..Default::default()
7007 },
7008 MinimapThumbBorder::None => Default::default(),
7009 };
7010
7011 window.paint_layer(minimap_hitbox.bounds, |window| {
7012 window.paint_quad(quad(
7013 thumb_bounds,
7014 Corners::default(),
7015 minimap_thumb_color,
7016 minimap_thumb_border,
7017 cx.theme().colors().minimap_thumb_border,
7018 BorderStyle::Solid,
7019 ));
7020 });
7021 }
7022 });
7023 });
7024
7025 if dragging_minimap {
7026 window.set_window_cursor_style(CursorStyle::Arrow);
7027 } else {
7028 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7029 }
7030
7031 let minimap_axis = ScrollbarAxis::Vertical;
7032 let pixels_per_line = Pixels::from(
7033 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7034 )
7035 .min(layout.minimap_line_height);
7036
7037 let mut mouse_position = window.mouse_position();
7038
7039 window.on_mouse_event({
7040 let editor = self.editor.clone();
7041
7042 let minimap_hitbox = minimap_hitbox.clone();
7043
7044 move |event: &MouseMoveEvent, phase, window, cx| {
7045 if phase == DispatchPhase::Capture {
7046 return;
7047 }
7048
7049 editor.update(cx, |editor, cx| {
7050 if event.pressed_button == Some(MouseButton::Left)
7051 && editor.scroll_manager.is_dragging_minimap()
7052 {
7053 let old_position = mouse_position.along(minimap_axis);
7054 let new_position = event.position.along(minimap_axis);
7055 if (minimap_hitbox.origin.along(minimap_axis)
7056 ..minimap_hitbox.bottom_right().along(minimap_axis))
7057 .contains(&old_position)
7058 {
7059 let position =
7060 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7061 (p + ScrollPixelOffset::from(
7062 (new_position - old_position) / pixels_per_line,
7063 ))
7064 .max(0.)
7065 });
7066
7067 editor.set_scroll_position(position, window, cx);
7068 }
7069 cx.stop_propagation();
7070 } else if minimap_hitbox.is_hovered(window) {
7071 editor.scroll_manager.set_is_hovering_minimap_thumb(
7072 !event.dragging()
7073 && layout
7074 .thumb_layout
7075 .thumb_bounds
7076 .is_some_and(|bounds| bounds.contains(&event.position)),
7077 cx,
7078 );
7079
7080 // Stop hover events from propagating to the
7081 // underlying editor if the minimap hitbox is hovered
7082 if !event.dragging() {
7083 cx.stop_propagation();
7084 }
7085 } else {
7086 editor.scroll_manager.hide_minimap_thumb(cx);
7087 }
7088 mouse_position = event.position;
7089 });
7090 }
7091 });
7092
7093 if dragging_minimap {
7094 window.on_mouse_event({
7095 let editor = self.editor.clone();
7096 move |event: &MouseUpEvent, phase, window, cx| {
7097 if phase == DispatchPhase::Capture {
7098 return;
7099 }
7100
7101 editor.update(cx, |editor, cx| {
7102 if minimap_hitbox.is_hovered(window) {
7103 editor.scroll_manager.set_is_hovering_minimap_thumb(
7104 layout
7105 .thumb_layout
7106 .thumb_bounds
7107 .is_some_and(|bounds| bounds.contains(&event.position)),
7108 cx,
7109 );
7110 } else {
7111 editor.scroll_manager.hide_minimap_thumb(cx);
7112 }
7113 cx.stop_propagation();
7114 });
7115 }
7116 });
7117 } else {
7118 window.on_mouse_event({
7119 let editor = self.editor.clone();
7120
7121 move |event: &MouseDownEvent, phase, window, cx| {
7122 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7123 return;
7124 }
7125
7126 let event_position = event.position;
7127
7128 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7129 return;
7130 };
7131
7132 editor.update(cx, |editor, cx| {
7133 if !thumb_bounds.contains(&event_position) {
7134 let click_position =
7135 event_position.relative_to(&minimap_hitbox.origin).y;
7136
7137 let top_position = (click_position
7138 - thumb_bounds.size.along(minimap_axis) / 2.0)
7139 .max(Pixels::ZERO);
7140
7141 let scroll_offset = (layout.minimap_scroll_top
7142 + ScrollPixelOffset::from(
7143 top_position / layout.minimap_line_height,
7144 ))
7145 .min(layout.max_scroll_top);
7146
7147 let scroll_position = editor
7148 .scroll_position(cx)
7149 .apply_along(minimap_axis, |_| scroll_offset);
7150 editor.set_scroll_position(scroll_position, window, cx);
7151 }
7152
7153 editor.scroll_manager.set_is_dragging_minimap(cx);
7154 cx.stop_propagation();
7155 });
7156 }
7157 });
7158 }
7159 }
7160 }
7161
7162 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7163 for mut block in layout.blocks.drain(..) {
7164 if block.overlaps_gutter {
7165 block.element.paint(window, cx);
7166 } else {
7167 let mut bounds = layout.hitbox.bounds;
7168 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7169 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7170 block.element.paint(window, cx);
7171 })
7172 }
7173 }
7174 }
7175
7176 fn paint_edit_prediction_popover(
7177 &mut self,
7178 layout: &mut EditorLayout,
7179 window: &mut Window,
7180 cx: &mut App,
7181 ) {
7182 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7183 edit_prediction_popover.paint(window, cx);
7184 }
7185 }
7186
7187 fn paint_mouse_context_menu(
7188 &mut self,
7189 layout: &mut EditorLayout,
7190 window: &mut Window,
7191 cx: &mut App,
7192 ) {
7193 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7194 mouse_context_menu.paint(window, cx);
7195 }
7196 }
7197
7198 fn paint_scroll_wheel_listener(
7199 &mut self,
7200 layout: &EditorLayout,
7201 window: &mut Window,
7202 cx: &mut App,
7203 ) {
7204 window.on_mouse_event({
7205 let position_map = layout.position_map.clone();
7206 let editor = self.editor.clone();
7207 let hitbox = layout.hitbox.clone();
7208 let mut delta = ScrollDelta::default();
7209
7210 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7211 // accidentally turn off their scrolling.
7212 let base_scroll_sensitivity =
7213 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7214
7215 // Use a minimum fast_scroll_sensitivity for same reason above
7216 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7217 .fast_scroll_sensitivity
7218 .max(0.01);
7219
7220 move |event: &ScrollWheelEvent, phase, window, cx| {
7221 let scroll_sensitivity = {
7222 if event.modifiers.alt {
7223 fast_scroll_sensitivity
7224 } else {
7225 base_scroll_sensitivity
7226 }
7227 };
7228
7229 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7230 delta = delta.coalesce(event.delta);
7231 editor.update(cx, |editor, cx| {
7232 let position_map: &PositionMap = &position_map;
7233
7234 let line_height = position_map.line_height;
7235 let max_glyph_advance = position_map.em_advance;
7236 let (delta, axis) = match delta {
7237 gpui::ScrollDelta::Pixels(mut pixels) => {
7238 //Trackpad
7239 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7240 (pixels, axis)
7241 }
7242
7243 gpui::ScrollDelta::Lines(lines) => {
7244 //Not trackpad
7245 let pixels =
7246 point(lines.x * max_glyph_advance, lines.y * line_height);
7247 (pixels, None)
7248 }
7249 };
7250
7251 let current_scroll_position = position_map.snapshot.scroll_position();
7252 let x = (current_scroll_position.x
7253 * ScrollPixelOffset::from(max_glyph_advance)
7254 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7255 / ScrollPixelOffset::from(max_glyph_advance);
7256 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7257 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7258 / ScrollPixelOffset::from(line_height);
7259 let mut scroll_position =
7260 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7261 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7262 if forbid_vertical_scroll {
7263 scroll_position.y = current_scroll_position.y;
7264 }
7265
7266 if scroll_position != current_scroll_position {
7267 editor.scroll(scroll_position, axis, window, cx);
7268 cx.stop_propagation();
7269 } else if y < 0. {
7270 // Due to clamping, we may fail to detect cases of overscroll to the top;
7271 // We want the scroll manager to get an update in such cases and detect the change of direction
7272 // on the next frame.
7273 cx.notify();
7274 }
7275 });
7276 }
7277 }
7278 });
7279 }
7280
7281 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7282 if layout.mode.is_minimap() {
7283 return;
7284 }
7285
7286 self.paint_scroll_wheel_listener(layout, window, cx);
7287
7288 window.on_mouse_event({
7289 let position_map = layout.position_map.clone();
7290 let editor = self.editor.clone();
7291 let line_numbers = layout.line_numbers.clone();
7292
7293 move |event: &MouseDownEvent, phase, window, cx| {
7294 if phase == DispatchPhase::Bubble {
7295 match event.button {
7296 MouseButton::Left => editor.update(cx, |editor, cx| {
7297 let pending_mouse_down = editor
7298 .pending_mouse_down
7299 .get_or_insert_with(Default::default)
7300 .clone();
7301
7302 *pending_mouse_down.borrow_mut() = Some(event.clone());
7303
7304 Self::mouse_left_down(
7305 editor,
7306 event,
7307 &position_map,
7308 line_numbers.as_ref(),
7309 window,
7310 cx,
7311 );
7312 }),
7313 MouseButton::Right => editor.update(cx, |editor, cx| {
7314 Self::mouse_right_down(editor, event, &position_map, window, cx);
7315 }),
7316 MouseButton::Middle => editor.update(cx, |editor, cx| {
7317 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7318 }),
7319 _ => {}
7320 };
7321 }
7322 }
7323 });
7324
7325 window.on_mouse_event({
7326 let editor = self.editor.clone();
7327 let position_map = layout.position_map.clone();
7328
7329 move |event: &MouseUpEvent, phase, window, cx| {
7330 if phase == DispatchPhase::Bubble {
7331 editor.update(cx, |editor, cx| {
7332 Self::mouse_up(editor, event, &position_map, window, cx)
7333 });
7334 }
7335 }
7336 });
7337
7338 window.on_mouse_event({
7339 let editor = self.editor.clone();
7340 let position_map = layout.position_map.clone();
7341 let mut captured_mouse_down = None;
7342
7343 move |event: &MouseUpEvent, phase, window, cx| match phase {
7344 // Clear the pending mouse down during the capture phase,
7345 // so that it happens even if another event handler stops
7346 // propagation.
7347 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7348 let pending_mouse_down = editor
7349 .pending_mouse_down
7350 .get_or_insert_with(Default::default)
7351 .clone();
7352
7353 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7354 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7355 captured_mouse_down = pending_mouse_down.take();
7356 window.refresh();
7357 }
7358 }),
7359 // Fire click handlers during the bubble phase.
7360 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7361 if let Some(mouse_down) = captured_mouse_down.take() {
7362 let event = ClickEvent::Mouse(MouseClickEvent {
7363 down: mouse_down,
7364 up: event.clone(),
7365 });
7366 Self::click(editor, &event, &position_map, window, cx);
7367 }
7368 }),
7369 }
7370 });
7371
7372 window.on_mouse_event({
7373 let position_map = layout.position_map.clone();
7374 let editor = self.editor.clone();
7375
7376 move |event: &MouseMoveEvent, phase, window, cx| {
7377 if phase == DispatchPhase::Bubble {
7378 editor.update(cx, |editor, cx| {
7379 if editor.hover_state.focused(window, cx) {
7380 return;
7381 }
7382 if event.pressed_button == Some(MouseButton::Left)
7383 || event.pressed_button == Some(MouseButton::Middle)
7384 {
7385 Self::mouse_dragged(editor, event, &position_map, window, cx)
7386 }
7387
7388 Self::mouse_moved(editor, event, &position_map, window, cx)
7389 });
7390 }
7391 }
7392 });
7393 }
7394
7395 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7396 let style = &self.style;
7397 let font_size = style.text.font_size.to_pixels(window.rem_size());
7398 let layout = window.text_system().shape_line(
7399 SharedString::from(" ".repeat(column)),
7400 font_size,
7401 &[TextRun {
7402 len: column,
7403 font: style.text.font(),
7404 color: Hsla::default(),
7405 background_color: None,
7406 underline: None,
7407 strikethrough: None,
7408 }],
7409 None,
7410 );
7411
7412 layout.width
7413 }
7414
7415 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7416 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7417 self.column_pixels(digit_count as usize, window)
7418 }
7419
7420 fn shape_line_number(
7421 &self,
7422 text: SharedString,
7423 color: Hsla,
7424 window: &mut Window,
7425 ) -> ShapedLine {
7426 let run = TextRun {
7427 len: text.len(),
7428 font: self.style.text.font(),
7429 color,
7430 background_color: None,
7431 underline: None,
7432 strikethrough: None,
7433 };
7434 window.text_system().shape_line(
7435 text,
7436 self.style.text.font_size.to_pixels(window.rem_size()),
7437 &[run],
7438 None,
7439 )
7440 }
7441
7442 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7443 let unstaged = status.has_secondary_hunk();
7444 let unstaged_hollow = matches!(
7445 ProjectSettings::get_global(cx).git.hunk_style,
7446 GitHunkStyleSetting::UnstagedHollow
7447 );
7448
7449 unstaged == unstaged_hollow
7450 }
7451
7452 #[cfg(debug_assertions)]
7453 fn layout_debug_ranges(
7454 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7455 anchor_range: Range<Anchor>,
7456 display_snapshot: &DisplaySnapshot,
7457 cx: &App,
7458 ) {
7459 let theme = cx.theme();
7460 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7461 if debug_ranges.ranges.is_empty() {
7462 return;
7463 }
7464 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7465 for (buffer, buffer_range, excerpt_id) in
7466 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7467 {
7468 let buffer_range =
7469 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7470 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7471 let player_color = theme
7472 .players()
7473 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7474 debug_range.ranges.iter().filter_map(move |range| {
7475 if range.start.buffer_id != Some(buffer.remote_id()) {
7476 return None;
7477 }
7478 let clipped_start = range.start.max(&buffer_range.start, buffer);
7479 let clipped_end = range.end.min(&buffer_range.end, buffer);
7480 let range = buffer_snapshot
7481 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7482 let start = range.start.to_display_point(display_snapshot);
7483 let end = range.end.to_display_point(display_snapshot);
7484 let selection_layout = SelectionLayout {
7485 head: start,
7486 range: start..end,
7487 cursor_shape: CursorShape::Bar,
7488 is_newest: false,
7489 is_local: false,
7490 active_rows: start.row()..end.row(),
7491 user_name: Some(SharedString::new(debug_range.value.clone())),
7492 };
7493 Some((player_color, vec![selection_layout]))
7494 })
7495 }));
7496 }
7497 });
7498 }
7499}
7500
7501fn header_jump_data(
7502 snapshot: &EditorSnapshot,
7503 block_row_start: DisplayRow,
7504 height: u32,
7505 for_excerpt: &ExcerptInfo,
7506) -> JumpData {
7507 let range = &for_excerpt.range;
7508 let buffer = &for_excerpt.buffer;
7509 let jump_anchor = range.primary.start;
7510
7511 let excerpt_start = range.context.start;
7512 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7513 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7514 0
7515 } else {
7516 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7517 jump_position.row.saturating_sub(excerpt_start_point.row)
7518 };
7519
7520 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7521 .saturating_sub(
7522 snapshot
7523 .scroll_anchor
7524 .scroll_position(&snapshot.display_snapshot)
7525 .y as u32,
7526 );
7527
7528 JumpData::MultiBufferPoint {
7529 excerpt_id: for_excerpt.id,
7530 anchor: jump_anchor,
7531 position: jump_position,
7532 line_offset_from_top,
7533 }
7534}
7535
7536pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7537
7538impl AcceptEditPredictionBinding {
7539 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7540 if let Some(binding) = self.0.as_ref() {
7541 match &binding.keystrokes() {
7542 [keystroke, ..] => Some(keystroke),
7543 _ => None,
7544 }
7545 } else {
7546 None
7547 }
7548 }
7549}
7550
7551fn prepaint_gutter_button(
7552 button: IconButton,
7553 row: DisplayRow,
7554 line_height: Pixels,
7555 gutter_dimensions: &GutterDimensions,
7556 scroll_position: gpui::Point<ScrollOffset>,
7557 gutter_hitbox: &Hitbox,
7558 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7559 window: &mut Window,
7560 cx: &mut App,
7561) -> AnyElement {
7562 let mut button = button.into_any_element();
7563
7564 let available_space = size(
7565 AvailableSpace::MinContent,
7566 AvailableSpace::Definite(line_height),
7567 );
7568 let indicator_size = button.layout_as_root(available_space, window, cx);
7569
7570 let blame_width = gutter_dimensions.git_blame_entries_width;
7571 let gutter_width = display_hunks
7572 .binary_search_by(|(hunk, _)| match hunk {
7573 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7574 DisplayDiffHunk::Unfolded {
7575 display_row_range, ..
7576 } => {
7577 if display_row_range.end <= row {
7578 Ordering::Less
7579 } else if display_row_range.start > row {
7580 Ordering::Greater
7581 } else {
7582 Ordering::Equal
7583 }
7584 }
7585 })
7586 .ok()
7587 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7588 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7589
7590 let mut x = left_offset;
7591 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7592 - indicator_size.width
7593 - left_offset;
7594 x += available_width / 2.;
7595
7596 let mut y =
7597 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7598 y += (line_height - indicator_size.height) / 2.;
7599
7600 button.prepaint_as_root(
7601 gutter_hitbox.origin + point(x, y),
7602 available_space,
7603 window,
7604 cx,
7605 );
7606 button
7607}
7608
7609fn render_inline_blame_entry(
7610 blame_entry: BlameEntry,
7611 style: &EditorStyle,
7612 cx: &mut App,
7613) -> Option<AnyElement> {
7614 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7615 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7616}
7617
7618fn render_blame_entry_popover(
7619 blame_entry: BlameEntry,
7620 scroll_handle: ScrollHandle,
7621 commit_message: Option<ParsedCommitMessage>,
7622 markdown: Entity<Markdown>,
7623 workspace: WeakEntity<Workspace>,
7624 blame: &Entity<GitBlame>,
7625 buffer: BufferId,
7626 window: &mut Window,
7627 cx: &mut App,
7628) -> Option<AnyElement> {
7629 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7630 let blame = blame.read(cx);
7631 let repository = blame.repository(cx, buffer)?;
7632 renderer.render_blame_entry_popover(
7633 blame_entry,
7634 scroll_handle,
7635 commit_message,
7636 markdown,
7637 repository,
7638 workspace,
7639 window,
7640 cx,
7641 )
7642}
7643
7644fn render_blame_entry(
7645 ix: usize,
7646 blame: &Entity<GitBlame>,
7647 blame_entry: BlameEntry,
7648 style: &EditorStyle,
7649 last_used_color: &mut Option<(Hsla, Oid)>,
7650 editor: Entity<Editor>,
7651 workspace: Entity<Workspace>,
7652 buffer: BufferId,
7653 renderer: &dyn BlameRenderer,
7654 window: &mut Window,
7655 cx: &mut App,
7656) -> Option<AnyElement> {
7657 let index: u32 = blame_entry.sha.into();
7658 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7659
7660 // If the last color we used is the same as the one we get for this line, but
7661 // the commit SHAs are different, then we try again to get a different color.
7662 if let Some((color, sha)) = *last_used_color
7663 && sha != blame_entry.sha
7664 && color == sha_color
7665 {
7666 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7667 }
7668 last_used_color.replace((sha_color, blame_entry.sha));
7669
7670 let blame = blame.read(cx);
7671 let details = blame.details_for_entry(buffer, &blame_entry);
7672 let repository = blame.repository(cx, buffer)?;
7673 renderer.render_blame_entry(
7674 &style.text,
7675 blame_entry,
7676 details,
7677 repository,
7678 workspace.downgrade(),
7679 editor,
7680 ix,
7681 sha_color,
7682 window,
7683 cx,
7684 )
7685}
7686
7687#[derive(Debug)]
7688pub(crate) struct LineWithInvisibles {
7689 fragments: SmallVec<[LineFragment; 1]>,
7690 invisibles: Vec<Invisible>,
7691 len: usize,
7692 pub(crate) width: Pixels,
7693 font_size: Pixels,
7694}
7695
7696enum LineFragment {
7697 Text(ShapedLine),
7698 Element {
7699 id: ChunkRendererId,
7700 element: Option<AnyElement>,
7701 size: Size<Pixels>,
7702 len: usize,
7703 },
7704}
7705
7706impl fmt::Debug for LineFragment {
7707 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7708 match self {
7709 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7710 LineFragment::Element { size, len, .. } => f
7711 .debug_struct("Element")
7712 .field("size", size)
7713 .field("len", len)
7714 .finish(),
7715 }
7716 }
7717}
7718
7719impl LineWithInvisibles {
7720 fn from_chunks<'a>(
7721 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7722 editor_style: &EditorStyle,
7723 max_line_len: usize,
7724 max_line_count: usize,
7725 editor_mode: &EditorMode,
7726 text_width: Pixels,
7727 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7728 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7729 window: &mut Window,
7730 cx: &mut App,
7731 ) -> Vec<Self> {
7732 let text_style = &editor_style.text;
7733 let mut layouts = Vec::with_capacity(max_line_count);
7734 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7735 let mut line = String::new();
7736 let mut invisibles = Vec::new();
7737 let mut width = Pixels::ZERO;
7738 let mut len = 0;
7739 let mut styles = Vec::new();
7740 let mut non_whitespace_added = false;
7741 let mut row = 0;
7742 let mut line_exceeded_max_len = false;
7743 let font_size = text_style.font_size.to_pixels(window.rem_size());
7744 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7745
7746 let ellipsis = SharedString::from("β―");
7747
7748 for highlighted_chunk in chunks.chain([HighlightedChunk {
7749 text: "\n",
7750 style: None,
7751 is_tab: false,
7752 is_inlay: false,
7753 replacement: None,
7754 }]) {
7755 if let Some(replacement) = highlighted_chunk.replacement {
7756 if !line.is_empty() {
7757 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7758 let text_runs: &[TextRun] = if segments.is_empty() {
7759 &styles
7760 } else {
7761 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7762 };
7763 let shaped_line = window.text_system().shape_line(
7764 line.clone().into(),
7765 font_size,
7766 text_runs,
7767 None,
7768 );
7769 width += shaped_line.width;
7770 len += shaped_line.len;
7771 fragments.push(LineFragment::Text(shaped_line));
7772 line.clear();
7773 styles.clear();
7774 }
7775
7776 match replacement {
7777 ChunkReplacement::Renderer(renderer) => {
7778 let available_width = if renderer.constrain_width {
7779 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7780 ellipsis.clone()
7781 } else {
7782 SharedString::from(Arc::from(highlighted_chunk.text))
7783 };
7784 let shaped_line = window.text_system().shape_line(
7785 chunk,
7786 font_size,
7787 &[text_style.to_run(highlighted_chunk.text.len())],
7788 None,
7789 );
7790 AvailableSpace::Definite(shaped_line.width)
7791 } else {
7792 AvailableSpace::MinContent
7793 };
7794
7795 let mut element = (renderer.render)(&mut ChunkRendererContext {
7796 context: cx,
7797 window,
7798 max_width: text_width,
7799 });
7800 let line_height = text_style.line_height_in_pixels(window.rem_size());
7801 let size = element.layout_as_root(
7802 size(available_width, AvailableSpace::Definite(line_height)),
7803 window,
7804 cx,
7805 );
7806
7807 width += size.width;
7808 len += highlighted_chunk.text.len();
7809 fragments.push(LineFragment::Element {
7810 id: renderer.id,
7811 element: Some(element),
7812 size,
7813 len: highlighted_chunk.text.len(),
7814 });
7815 }
7816 ChunkReplacement::Str(x) => {
7817 let text_style = if let Some(style) = highlighted_chunk.style {
7818 Cow::Owned(text_style.clone().highlight(style))
7819 } else {
7820 Cow::Borrowed(text_style)
7821 };
7822
7823 let run = TextRun {
7824 len: x.len(),
7825 font: text_style.font(),
7826 color: text_style.color,
7827 background_color: text_style.background_color,
7828 underline: text_style.underline,
7829 strikethrough: text_style.strikethrough,
7830 };
7831 let line_layout = window
7832 .text_system()
7833 .shape_line(x, font_size, &[run], None)
7834 .with_len(highlighted_chunk.text.len());
7835
7836 width += line_layout.width;
7837 len += highlighted_chunk.text.len();
7838 fragments.push(LineFragment::Text(line_layout))
7839 }
7840 }
7841 } else {
7842 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7843 if ix > 0 {
7844 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7845 let text_runs = if segments.is_empty() {
7846 &styles
7847 } else {
7848 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7849 };
7850 let shaped_line = window.text_system().shape_line(
7851 line.clone().into(),
7852 font_size,
7853 text_runs,
7854 None,
7855 );
7856 width += shaped_line.width;
7857 len += shaped_line.len;
7858 fragments.push(LineFragment::Text(shaped_line));
7859 layouts.push(Self {
7860 width: mem::take(&mut width),
7861 len: mem::take(&mut len),
7862 fragments: mem::take(&mut fragments),
7863 invisibles: std::mem::take(&mut invisibles),
7864 font_size,
7865 });
7866
7867 line.clear();
7868 styles.clear();
7869 row += 1;
7870 line_exceeded_max_len = false;
7871 non_whitespace_added = false;
7872 if row == max_line_count {
7873 return layouts;
7874 }
7875 }
7876
7877 if !line_chunk.is_empty() && !line_exceeded_max_len {
7878 let text_style = if let Some(style) = highlighted_chunk.style {
7879 Cow::Owned(text_style.clone().highlight(style))
7880 } else {
7881 Cow::Borrowed(text_style)
7882 };
7883
7884 if line.len() + line_chunk.len() > max_line_len {
7885 let mut chunk_len = max_line_len - line.len();
7886 while !line_chunk.is_char_boundary(chunk_len) {
7887 chunk_len -= 1;
7888 }
7889 line_chunk = &line_chunk[..chunk_len];
7890 line_exceeded_max_len = true;
7891 }
7892
7893 styles.push(TextRun {
7894 len: line_chunk.len(),
7895 font: text_style.font(),
7896 color: text_style.color,
7897 background_color: text_style.background_color,
7898 underline: text_style.underline,
7899 strikethrough: text_style.strikethrough,
7900 });
7901
7902 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7903 // Line wrap pads its contents with fake whitespaces,
7904 // avoid printing them
7905 let is_soft_wrapped = is_row_soft_wrapped(row);
7906 if highlighted_chunk.is_tab {
7907 if non_whitespace_added || !is_soft_wrapped {
7908 invisibles.push(Invisible::Tab {
7909 line_start_offset: line.len(),
7910 line_end_offset: line.len() + line_chunk.len(),
7911 });
7912 }
7913 } else {
7914 invisibles.extend(line_chunk.char_indices().filter_map(
7915 |(index, c)| {
7916 let is_whitespace = c.is_whitespace();
7917 non_whitespace_added |= !is_whitespace;
7918 if is_whitespace
7919 && (non_whitespace_added || !is_soft_wrapped)
7920 {
7921 Some(Invisible::Whitespace {
7922 line_offset: line.len() + index,
7923 })
7924 } else {
7925 None
7926 }
7927 },
7928 ))
7929 }
7930 }
7931
7932 line.push_str(line_chunk);
7933 }
7934 }
7935 }
7936 }
7937
7938 layouts
7939 }
7940
7941 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7942 /// Returns new text runs with adjusted contrast as per background ranges.
7943 fn split_runs_by_bg_segments(
7944 text_runs: &[TextRun],
7945 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7946 min_contrast: f32,
7947 start_col_offset: usize,
7948 ) -> Vec<TextRun> {
7949 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7950 let mut line_col = start_col_offset;
7951 let mut segment_ix = 0usize;
7952
7953 for text_run in text_runs.iter() {
7954 let run_start_col = line_col;
7955 let run_end_col = run_start_col + text_run.len;
7956 while segment_ix < bg_segments.len()
7957 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7958 {
7959 segment_ix += 1;
7960 }
7961 let mut cursor_col = run_start_col;
7962 let mut local_segment_ix = segment_ix;
7963 while local_segment_ix < bg_segments.len() {
7964 let (range, segment_color) = &bg_segments[local_segment_ix];
7965 let segment_start_col = range.start.column() as usize;
7966 let segment_end_col = range.end.column() as usize;
7967 if segment_start_col >= run_end_col {
7968 break;
7969 }
7970 if segment_start_col > cursor_col {
7971 let span_len = segment_start_col - cursor_col;
7972 output_runs.push(TextRun {
7973 len: span_len,
7974 font: text_run.font.clone(),
7975 color: text_run.color,
7976 background_color: text_run.background_color,
7977 underline: text_run.underline,
7978 strikethrough: text_run.strikethrough,
7979 });
7980 cursor_col = segment_start_col;
7981 }
7982 let segment_slice_end_col = segment_end_col.min(run_end_col);
7983 if segment_slice_end_col > cursor_col {
7984 let new_text_color =
7985 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7986 output_runs.push(TextRun {
7987 len: segment_slice_end_col - cursor_col,
7988 font: text_run.font.clone(),
7989 color: new_text_color,
7990 background_color: text_run.background_color,
7991 underline: text_run.underline,
7992 strikethrough: text_run.strikethrough,
7993 });
7994 cursor_col = segment_slice_end_col;
7995 }
7996 if segment_end_col >= run_end_col {
7997 break;
7998 }
7999 local_segment_ix += 1;
8000 }
8001 if cursor_col < run_end_col {
8002 output_runs.push(TextRun {
8003 len: run_end_col - cursor_col,
8004 font: text_run.font.clone(),
8005 color: text_run.color,
8006 background_color: text_run.background_color,
8007 underline: text_run.underline,
8008 strikethrough: text_run.strikethrough,
8009 });
8010 }
8011 line_col = run_end_col;
8012 segment_ix = local_segment_ix;
8013 }
8014 output_runs
8015 }
8016
8017 fn prepaint(
8018 &mut self,
8019 line_height: Pixels,
8020 scroll_position: gpui::Point<ScrollOffset>,
8021 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8022 row: DisplayRow,
8023 content_origin: gpui::Point<Pixels>,
8024 line_elements: &mut SmallVec<[AnyElement; 1]>,
8025 window: &mut Window,
8026 cx: &mut App,
8027 ) {
8028 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8029 let mut fragment_origin =
8030 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8031 for fragment in &mut self.fragments {
8032 match fragment {
8033 LineFragment::Text(line) => {
8034 fragment_origin.x += line.width;
8035 }
8036 LineFragment::Element { element, size, .. } => {
8037 let mut element = element
8038 .take()
8039 .expect("you can't prepaint LineWithInvisibles twice");
8040
8041 // Center the element vertically within the line.
8042 let mut element_origin = fragment_origin;
8043 element_origin.y += (line_height - size.height) / 2.;
8044 element.prepaint_at(element_origin, window, cx);
8045 line_elements.push(element);
8046
8047 fragment_origin.x += size.width;
8048 }
8049 }
8050 }
8051 }
8052
8053 fn draw(
8054 &self,
8055 layout: &EditorLayout,
8056 row: DisplayRow,
8057 content_origin: gpui::Point<Pixels>,
8058 whitespace_setting: ShowWhitespaceSetting,
8059 selection_ranges: &[Range<DisplayPoint>],
8060 window: &mut Window,
8061 cx: &mut App,
8062 ) {
8063 let line_height = layout.position_map.line_height;
8064 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8065
8066 let mut fragment_origin = content_origin
8067 + gpui::point(
8068 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8069 line_y,
8070 );
8071
8072 for fragment in &self.fragments {
8073 match fragment {
8074 LineFragment::Text(line) => {
8075 line.paint(fragment_origin, line_height, window, cx)
8076 .log_err();
8077 fragment_origin.x += line.width;
8078 }
8079 LineFragment::Element { size, .. } => {
8080 fragment_origin.x += size.width;
8081 }
8082 }
8083 }
8084
8085 self.draw_invisibles(
8086 selection_ranges,
8087 layout,
8088 content_origin,
8089 line_y,
8090 row,
8091 line_height,
8092 whitespace_setting,
8093 window,
8094 cx,
8095 );
8096 }
8097
8098 fn draw_background(
8099 &self,
8100 layout: &EditorLayout,
8101 row: DisplayRow,
8102 content_origin: gpui::Point<Pixels>,
8103 window: &mut Window,
8104 cx: &mut App,
8105 ) {
8106 let line_height = layout.position_map.line_height;
8107 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8108
8109 let mut fragment_origin = content_origin
8110 + gpui::point(
8111 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8112 line_y,
8113 );
8114
8115 for fragment in &self.fragments {
8116 match fragment {
8117 LineFragment::Text(line) => {
8118 line.paint_background(fragment_origin, line_height, window, cx)
8119 .log_err();
8120 fragment_origin.x += line.width;
8121 }
8122 LineFragment::Element { size, .. } => {
8123 fragment_origin.x += size.width;
8124 }
8125 }
8126 }
8127 }
8128
8129 fn draw_invisibles(
8130 &self,
8131 selection_ranges: &[Range<DisplayPoint>],
8132 layout: &EditorLayout,
8133 content_origin: gpui::Point<Pixels>,
8134 line_y: Pixels,
8135 row: DisplayRow,
8136 line_height: Pixels,
8137 whitespace_setting: ShowWhitespaceSetting,
8138 window: &mut Window,
8139 cx: &mut App,
8140 ) {
8141 let extract_whitespace_info = |invisible: &Invisible| {
8142 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8143 Invisible::Tab {
8144 line_start_offset,
8145 line_end_offset,
8146 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8147 Invisible::Whitespace { line_offset } => {
8148 (*line_offset, line_offset + 1, &layout.space_invisible)
8149 }
8150 };
8151
8152 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8153 let invisible_offset: ScrollPixelOffset =
8154 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8155 .into();
8156 let origin = content_origin
8157 + gpui::point(
8158 Pixels::from(
8159 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8160 ),
8161 line_y,
8162 );
8163
8164 (
8165 [token_offset, token_end_offset],
8166 Box::new(move |window: &mut Window, cx: &mut App| {
8167 invisible_symbol
8168 .paint(origin, line_height, window, cx)
8169 .log_err();
8170 }),
8171 )
8172 };
8173
8174 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8175 match whitespace_setting {
8176 ShowWhitespaceSetting::None => (),
8177 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8178 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8179 let invisible_point = DisplayPoint::new(row, start as u32);
8180 if !selection_ranges
8181 .iter()
8182 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8183 {
8184 return;
8185 }
8186
8187 paint(window, cx);
8188 }),
8189
8190 ShowWhitespaceSetting::Trailing => {
8191 let mut previous_start = self.len;
8192 for ([start, end], paint) in invisible_iter.rev() {
8193 if previous_start != end {
8194 break;
8195 }
8196 previous_start = start;
8197 paint(window, cx);
8198 }
8199 }
8200
8201 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8202 // - It is a tab
8203 // - It is adjacent to an edge (start or end)
8204 // - It is adjacent to a whitespace (left or right)
8205 ShowWhitespaceSetting::Boundary => {
8206 // 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
8207 // the above cases.
8208 // Note: We zip in the original `invisibles` to check for tab equality
8209 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8210 for (([start, end], paint), invisible) in
8211 invisible_iter.zip_eq(self.invisibles.iter())
8212 {
8213 let should_render = match (&last_seen, invisible) {
8214 (_, Invisible::Tab { .. }) => true,
8215 (Some((_, last_end, _)), _) => *last_end == start,
8216 _ => false,
8217 };
8218
8219 if should_render || start == 0 || end == self.len {
8220 paint(window, cx);
8221
8222 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8223 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8224 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8225 // Note that we need to make sure that the last one is actually adjacent
8226 if !should_render_last && last_end == start {
8227 paint_last(window, cx);
8228 }
8229 }
8230 }
8231
8232 // Manually render anything within a selection
8233 let invisible_point = DisplayPoint::new(row, start as u32);
8234 if selection_ranges.iter().any(|region| {
8235 region.start <= invisible_point && invisible_point < region.end
8236 }) {
8237 paint(window, cx);
8238 }
8239
8240 last_seen = Some((should_render, end, paint));
8241 }
8242 }
8243 }
8244 }
8245
8246 pub fn x_for_index(&self, index: usize) -> Pixels {
8247 let mut fragment_start_x = Pixels::ZERO;
8248 let mut fragment_start_index = 0;
8249
8250 for fragment in &self.fragments {
8251 match fragment {
8252 LineFragment::Text(shaped_line) => {
8253 let fragment_end_index = fragment_start_index + shaped_line.len;
8254 if index < fragment_end_index {
8255 return fragment_start_x
8256 + shaped_line.x_for_index(index - fragment_start_index);
8257 }
8258 fragment_start_x += shaped_line.width;
8259 fragment_start_index = fragment_end_index;
8260 }
8261 LineFragment::Element { len, size, .. } => {
8262 let fragment_end_index = fragment_start_index + len;
8263 if index < fragment_end_index {
8264 return fragment_start_x;
8265 }
8266 fragment_start_x += size.width;
8267 fragment_start_index = fragment_end_index;
8268 }
8269 }
8270 }
8271
8272 fragment_start_x
8273 }
8274
8275 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8276 let mut fragment_start_x = Pixels::ZERO;
8277 let mut fragment_start_index = 0;
8278
8279 for fragment in &self.fragments {
8280 match fragment {
8281 LineFragment::Text(shaped_line) => {
8282 let fragment_end_x = fragment_start_x + shaped_line.width;
8283 if x < fragment_end_x {
8284 return Some(
8285 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8286 );
8287 }
8288 fragment_start_x = fragment_end_x;
8289 fragment_start_index += shaped_line.len;
8290 }
8291 LineFragment::Element { len, size, .. } => {
8292 let fragment_end_x = fragment_start_x + size.width;
8293 if x < fragment_end_x {
8294 return Some(fragment_start_index);
8295 }
8296 fragment_start_index += len;
8297 fragment_start_x = fragment_end_x;
8298 }
8299 }
8300 }
8301
8302 None
8303 }
8304
8305 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8306 let mut fragment_start_index = 0;
8307
8308 for fragment in &self.fragments {
8309 match fragment {
8310 LineFragment::Text(shaped_line) => {
8311 let fragment_end_index = fragment_start_index + shaped_line.len;
8312 if index < fragment_end_index {
8313 return shaped_line.font_id_for_index(index - fragment_start_index);
8314 }
8315 fragment_start_index = fragment_end_index;
8316 }
8317 LineFragment::Element { len, .. } => {
8318 let fragment_end_index = fragment_start_index + len;
8319 if index < fragment_end_index {
8320 return None;
8321 }
8322 fragment_start_index = fragment_end_index;
8323 }
8324 }
8325 }
8326
8327 None
8328 }
8329}
8330
8331#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8332enum Invisible {
8333 /// A tab character
8334 ///
8335 /// A tab character is internally represented by spaces (configured by the user's tab width)
8336 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8337 /// adjacency checks.
8338 Tab {
8339 line_start_offset: usize,
8340 line_end_offset: usize,
8341 },
8342 Whitespace {
8343 line_offset: usize,
8344 },
8345}
8346
8347impl EditorElement {
8348 /// Returns the rem size to use when rendering the [`EditorElement`].
8349 ///
8350 /// This allows UI elements to scale based on the `buffer_font_size`.
8351 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8352 match self.editor.read(cx).mode {
8353 EditorMode::Full {
8354 scale_ui_elements_with_buffer_font_size: true,
8355 ..
8356 }
8357 | EditorMode::Minimap { .. } => {
8358 let buffer_font_size = self.style.text.font_size;
8359 match buffer_font_size {
8360 AbsoluteLength::Pixels(pixels) => {
8361 let rem_size_scale = {
8362 // Our default UI font size is 14px on a 16px base scale.
8363 // This means the default UI font size is 0.875rems.
8364 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8365
8366 // We then determine the delta between a single rem and the default font
8367 // size scale.
8368 let default_font_size_delta = 1. - default_font_size_scale;
8369
8370 // Finally, we add this delta to 1rem to get the scale factor that
8371 // should be used to scale up the UI.
8372 1. + default_font_size_delta
8373 };
8374
8375 Some(pixels * rem_size_scale)
8376 }
8377 AbsoluteLength::Rems(rems) => {
8378 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8379 }
8380 }
8381 }
8382 // We currently use single-line and auto-height editors in UI contexts,
8383 // so we don't want to scale everything with the buffer font size, as it
8384 // ends up looking off.
8385 _ => None,
8386 }
8387 }
8388
8389 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8390 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8391 parent.upgrade()
8392 } else {
8393 Some(self.editor.clone())
8394 }
8395 }
8396}
8397
8398impl Element for EditorElement {
8399 type RequestLayoutState = ();
8400 type PrepaintState = EditorLayout;
8401
8402 fn id(&self) -> Option<ElementId> {
8403 None
8404 }
8405
8406 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8407 None
8408 }
8409
8410 fn request_layout(
8411 &mut self,
8412 _: Option<&GlobalElementId>,
8413 _inspector_id: Option<&gpui::InspectorElementId>,
8414 window: &mut Window,
8415 cx: &mut App,
8416 ) -> (gpui::LayoutId, ()) {
8417 let rem_size = self.rem_size(cx);
8418 window.with_rem_size(rem_size, |window| {
8419 self.editor.update(cx, |editor, cx| {
8420 editor.set_style(self.style.clone(), window, cx);
8421
8422 let layout_id = match editor.mode {
8423 EditorMode::SingleLine => {
8424 let rem_size = window.rem_size();
8425 let height = self.style.text.line_height_in_pixels(rem_size);
8426 let mut style = Style::default();
8427 style.size.height = height.into();
8428 style.size.width = relative(1.).into();
8429 window.request_layout(style, None, cx)
8430 }
8431 EditorMode::AutoHeight {
8432 min_lines,
8433 max_lines,
8434 } => {
8435 let editor_handle = cx.entity();
8436 let max_line_number_width =
8437 self.max_line_number_width(&editor.snapshot(window, cx), window);
8438 window.request_measured_layout(
8439 Style::default(),
8440 move |known_dimensions, available_space, window, cx| {
8441 editor_handle
8442 .update(cx, |editor, cx| {
8443 compute_auto_height_layout(
8444 editor,
8445 min_lines,
8446 max_lines,
8447 max_line_number_width,
8448 known_dimensions,
8449 available_space.width,
8450 window,
8451 cx,
8452 )
8453 })
8454 .unwrap_or_default()
8455 },
8456 )
8457 }
8458 EditorMode::Minimap { .. } => {
8459 let mut style = Style::default();
8460 style.size.width = relative(1.).into();
8461 style.size.height = relative(1.).into();
8462 window.request_layout(style, None, cx)
8463 }
8464 EditorMode::Full {
8465 sized_by_content, ..
8466 } => {
8467 let mut style = Style::default();
8468 style.size.width = relative(1.).into();
8469 if sized_by_content {
8470 let snapshot = editor.snapshot(window, cx);
8471 let line_height =
8472 self.style.text.line_height_in_pixels(window.rem_size());
8473 let scroll_height =
8474 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8475 style.size.height = scroll_height.into();
8476 } else {
8477 style.size.height = relative(1.).into();
8478 }
8479 window.request_layout(style, None, cx)
8480 }
8481 };
8482
8483 (layout_id, ())
8484 })
8485 })
8486 }
8487
8488 fn prepaint(
8489 &mut self,
8490 _: Option<&GlobalElementId>,
8491 _inspector_id: Option<&gpui::InspectorElementId>,
8492 bounds: Bounds<Pixels>,
8493 _: &mut Self::RequestLayoutState,
8494 window: &mut Window,
8495 cx: &mut App,
8496 ) -> Self::PrepaintState {
8497 let text_style = TextStyleRefinement {
8498 font_size: Some(self.style.text.font_size),
8499 line_height: Some(self.style.text.line_height),
8500 ..Default::default()
8501 };
8502
8503 let is_minimap = self.editor.read(cx).mode.is_minimap();
8504
8505 if !is_minimap {
8506 let focus_handle = self.editor.focus_handle(cx);
8507 window.set_view_id(self.editor.entity_id());
8508 window.set_focus_handle(&focus_handle, cx);
8509 }
8510
8511 let rem_size = self.rem_size(cx);
8512 window.with_rem_size(rem_size, |window| {
8513 window.with_text_style(Some(text_style), |window| {
8514 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8515 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8516 (editor.snapshot(window, cx), editor.read_only(cx))
8517 });
8518 let style = &self.style;
8519
8520 let rem_size = window.rem_size();
8521 let font_id = window.text_system().resolve_font(&style.text.font());
8522 let font_size = style.text.font_size.to_pixels(rem_size);
8523 let line_height = style.text.line_height_in_pixels(rem_size);
8524 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8525 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8526 let glyph_grid_cell = size(em_advance, line_height);
8527
8528 let gutter_dimensions = snapshot
8529 .gutter_dimensions(
8530 font_id,
8531 font_size,
8532 self.max_line_number_width(&snapshot, window),
8533 cx,
8534 )
8535 .or_else(|| {
8536 self.editor.read(cx).offset_content.then(|| {
8537 GutterDimensions::default_with_margin(font_id, font_size, cx)
8538 })
8539 })
8540 .unwrap_or_default();
8541 let text_width = bounds.size.width - gutter_dimensions.width;
8542
8543 let settings = EditorSettings::get_global(cx);
8544 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8545 let vertical_scrollbar_width = (scrollbars_shown
8546 && settings.scrollbar.axes.vertical
8547 && self.editor.read(cx).show_scrollbars.vertical)
8548 .then_some(style.scrollbar_width)
8549 .unwrap_or_default();
8550 let minimap_width = self
8551 .get_minimap_width(
8552 &settings.minimap,
8553 scrollbars_shown,
8554 text_width,
8555 em_width,
8556 font_size,
8557 rem_size,
8558 cx,
8559 )
8560 .unwrap_or_default();
8561
8562 let right_margin = minimap_width + vertical_scrollbar_width;
8563
8564 let editor_width =
8565 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8566 let editor_margins = EditorMargins {
8567 gutter: gutter_dimensions,
8568 right: right_margin,
8569 };
8570
8571 snapshot = self.editor.update(cx, |editor, cx| {
8572 editor.last_bounds = Some(bounds);
8573 editor.gutter_dimensions = gutter_dimensions;
8574 editor.set_visible_line_count(
8575 (bounds.size.height / line_height) as f64,
8576 window,
8577 cx,
8578 );
8579 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8580
8581 if matches!(
8582 editor.mode,
8583 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8584 ) {
8585 snapshot
8586 } else {
8587 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8588 let wrap_width = match editor.soft_wrap_mode(cx) {
8589 SoftWrap::GitDiff => None,
8590 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8591 SoftWrap::EditorWidth => Some(editor_width),
8592 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8593 SoftWrap::Bounded(column) => {
8594 Some(editor_width.min(wrap_width_for(column)))
8595 }
8596 };
8597
8598 if editor.set_wrap_width(wrap_width, cx) {
8599 editor.snapshot(window, cx)
8600 } else {
8601 snapshot
8602 }
8603 }
8604 });
8605
8606 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8607 let gutter_hitbox = window.insert_hitbox(
8608 gutter_bounds(bounds, gutter_dimensions),
8609 HitboxBehavior::Normal,
8610 );
8611 let text_hitbox = window.insert_hitbox(
8612 Bounds {
8613 origin: gutter_hitbox.top_right(),
8614 size: size(text_width, bounds.size.height),
8615 },
8616 HitboxBehavior::Normal,
8617 );
8618
8619 // Offset the content_bounds from the text_bounds by the gutter margin (which
8620 // is roughly half a character wide) to make hit testing work more like how we want.
8621 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8622 let content_origin = text_hitbox.origin + content_offset;
8623
8624 let height_in_lines = f64::from(bounds.size.height / line_height);
8625 let max_row = snapshot.max_point().row().as_f64();
8626
8627 // The max scroll position for the top of the window
8628 let max_scroll_top = if matches!(
8629 snapshot.mode,
8630 EditorMode::SingleLine
8631 | EditorMode::AutoHeight { .. }
8632 | EditorMode::Full {
8633 sized_by_content: true,
8634 ..
8635 }
8636 ) {
8637 (max_row - height_in_lines + 1.).max(0.)
8638 } else {
8639 let settings = EditorSettings::get_global(cx);
8640 match settings.scroll_beyond_last_line {
8641 ScrollBeyondLastLine::OnePage => max_row,
8642 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8643 ScrollBeyondLastLine::VerticalScrollMargin => {
8644 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8645 .max(0.)
8646 }
8647 }
8648 };
8649
8650 let (
8651 autoscroll_request,
8652 autoscroll_containing_element,
8653 needs_horizontal_autoscroll,
8654 ) = self.editor.update(cx, |editor, cx| {
8655 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8656
8657 let autoscroll_containing_element =
8658 autoscroll_request.is_some() || editor.has_pending_selection();
8659
8660 let (needs_horizontal_autoscroll, was_scrolled) = editor
8661 .autoscroll_vertically(
8662 bounds,
8663 line_height,
8664 max_scroll_top,
8665 autoscroll_request,
8666 window,
8667 cx,
8668 );
8669 if was_scrolled.0 {
8670 snapshot = editor.snapshot(window, cx);
8671 }
8672 (
8673 autoscroll_request,
8674 autoscroll_containing_element,
8675 needs_horizontal_autoscroll,
8676 )
8677 });
8678
8679 let mut scroll_position = snapshot.scroll_position();
8680 // The scroll position is a fractional point, the whole number of which represents
8681 // the top of the window in terms of display rows.
8682 let start_row = DisplayRow(scroll_position.y as u32);
8683 let max_row = snapshot.max_point().row();
8684 let end_row = cmp::min(
8685 (scroll_position.y + height_in_lines).ceil() as u32,
8686 max_row.next_row().0,
8687 );
8688 let end_row = DisplayRow(end_row);
8689
8690 let row_infos = snapshot
8691 .row_infos(start_row)
8692 .take((start_row..end_row).len())
8693 .collect::<Vec<RowInfo>>();
8694 let is_row_soft_wrapped = |row: usize| {
8695 row_infos
8696 .get(row)
8697 .is_none_or(|info| info.buffer_row.is_none())
8698 };
8699
8700 let start_anchor = if start_row == Default::default() {
8701 Anchor::min()
8702 } else {
8703 snapshot.buffer_snapshot().anchor_before(
8704 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8705 )
8706 };
8707 let end_anchor = if end_row > max_row {
8708 Anchor::max()
8709 } else {
8710 snapshot.buffer_snapshot().anchor_before(
8711 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8712 )
8713 };
8714
8715 let mut highlighted_rows = self
8716 .editor
8717 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8718
8719 let is_light = cx.theme().appearance().is_light();
8720
8721 for (ix, row_info) in row_infos.iter().enumerate() {
8722 let Some(diff_status) = row_info.diff_status else {
8723 continue;
8724 };
8725
8726 let background_color = match diff_status.kind {
8727 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8728 DiffHunkStatusKind::Deleted => {
8729 cx.theme().colors().version_control_deleted
8730 }
8731 DiffHunkStatusKind::Modified => {
8732 debug_panic!("modified diff status for row info");
8733 continue;
8734 }
8735 };
8736
8737 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8738
8739 let hollow_highlight = LineHighlight {
8740 background: (background_color.opacity(if is_light {
8741 0.08
8742 } else {
8743 0.06
8744 }))
8745 .into(),
8746 border: Some(if is_light {
8747 background_color.opacity(0.48)
8748 } else {
8749 background_color.opacity(0.36)
8750 }),
8751 include_gutter: true,
8752 type_id: None,
8753 };
8754
8755 let filled_highlight = LineHighlight {
8756 background: solid_background(background_color.opacity(hunk_opacity)),
8757 border: None,
8758 include_gutter: true,
8759 type_id: None,
8760 };
8761
8762 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8763 hollow_highlight
8764 } else {
8765 filled_highlight
8766 };
8767
8768 highlighted_rows
8769 .entry(start_row + DisplayRow(ix as u32))
8770 .or_insert(background);
8771 }
8772
8773 let highlighted_ranges = self
8774 .editor_with_selections(cx)
8775 .map(|editor| {
8776 editor.read(cx).background_highlights_in_range(
8777 start_anchor..end_anchor,
8778 &snapshot.display_snapshot,
8779 cx.theme(),
8780 )
8781 })
8782 .unwrap_or_default();
8783 let highlighted_gutter_ranges =
8784 self.editor.read(cx).gutter_highlights_in_range(
8785 start_anchor..end_anchor,
8786 &snapshot.display_snapshot,
8787 cx,
8788 );
8789
8790 let document_colors = self
8791 .editor
8792 .read(cx)
8793 .colors
8794 .as_ref()
8795 .map(|colors| colors.editor_display_highlights(&snapshot));
8796 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8797 start_anchor..end_anchor,
8798 &snapshot.display_snapshot,
8799 cx,
8800 );
8801
8802 let (local_selections, selected_buffer_ids): (
8803 Vec<Selection<Point>>,
8804 Vec<BufferId>,
8805 ) = self
8806 .editor_with_selections(cx)
8807 .map(|editor| {
8808 editor.update(cx, |editor, cx| {
8809 let all_selections =
8810 editor.selections.all::<Point>(&snapshot.display_snapshot);
8811 let selected_buffer_ids =
8812 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8813 Vec::new()
8814 } else {
8815 let mut selected_buffer_ids =
8816 Vec::with_capacity(all_selections.len());
8817
8818 for selection in all_selections {
8819 for buffer_id in snapshot
8820 .buffer_snapshot()
8821 .buffer_ids_for_range(selection.range())
8822 {
8823 if selected_buffer_ids.last() != Some(&buffer_id) {
8824 selected_buffer_ids.push(buffer_id);
8825 }
8826 }
8827 }
8828
8829 selected_buffer_ids
8830 };
8831
8832 let mut selections = editor.selections.disjoint_in_range(
8833 start_anchor..end_anchor,
8834 &snapshot.display_snapshot,
8835 );
8836 selections
8837 .extend(editor.selections.pending(&snapshot.display_snapshot));
8838
8839 (selections, selected_buffer_ids)
8840 })
8841 })
8842 .unwrap_or_default();
8843
8844 let (selections, mut active_rows, newest_selection_head) = self
8845 .layout_selections(
8846 start_anchor,
8847 end_anchor,
8848 &local_selections,
8849 &snapshot,
8850 start_row,
8851 end_row,
8852 window,
8853 cx,
8854 );
8855 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8856 editor.active_breakpoints(start_row..end_row, window, cx)
8857 });
8858 for (display_row, (_, bp, state)) in &breakpoint_rows {
8859 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8860 active_rows.entry(*display_row).or_default().breakpoint = true;
8861 }
8862 }
8863
8864 let line_numbers = self.layout_line_numbers(
8865 Some(&gutter_hitbox),
8866 gutter_dimensions,
8867 line_height,
8868 scroll_position,
8869 start_row..end_row,
8870 &row_infos,
8871 &active_rows,
8872 newest_selection_head,
8873 &snapshot,
8874 window,
8875 cx,
8876 );
8877
8878 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8879 // line numbers so we don't paint a line number debug accent color if a user
8880 // has their mouse over that line when a breakpoint isn't there
8881 self.editor.update(cx, |editor, _| {
8882 if let Some(phantom_breakpoint) = &mut editor
8883 .gutter_breakpoint_indicator
8884 .0
8885 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8886 {
8887 // Is there a non-phantom breakpoint on this line?
8888 phantom_breakpoint.collides_with_existing_breakpoint = true;
8889 breakpoint_rows
8890 .entry(phantom_breakpoint.display_row)
8891 .or_insert_with(|| {
8892 let position = snapshot.display_point_to_anchor(
8893 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8894 Bias::Right,
8895 );
8896 let breakpoint = Breakpoint::new_standard();
8897 phantom_breakpoint.collides_with_existing_breakpoint = false;
8898 (position, breakpoint, None)
8899 });
8900 }
8901 });
8902
8903 let mut expand_toggles =
8904 window.with_element_namespace("expand_toggles", |window| {
8905 self.layout_expand_toggles(
8906 &gutter_hitbox,
8907 gutter_dimensions,
8908 em_width,
8909 line_height,
8910 scroll_position,
8911 &row_infos,
8912 window,
8913 cx,
8914 )
8915 });
8916
8917 let mut crease_toggles =
8918 window.with_element_namespace("crease_toggles", |window| {
8919 self.layout_crease_toggles(
8920 start_row..end_row,
8921 &row_infos,
8922 &active_rows,
8923 &snapshot,
8924 window,
8925 cx,
8926 )
8927 });
8928 let crease_trailers =
8929 window.with_element_namespace("crease_trailers", |window| {
8930 self.layout_crease_trailers(
8931 row_infos.iter().copied(),
8932 &snapshot,
8933 window,
8934 cx,
8935 )
8936 });
8937
8938 let display_hunks = self.layout_gutter_diff_hunks(
8939 line_height,
8940 &gutter_hitbox,
8941 start_row..end_row,
8942 &snapshot,
8943 window,
8944 cx,
8945 );
8946
8947 let merged_highlighted_ranges =
8948 if let Some((_, colors)) = document_colors.as_ref() {
8949 &highlighted_ranges
8950 .clone()
8951 .into_iter()
8952 .chain(colors.clone())
8953 .collect()
8954 } else {
8955 &highlighted_ranges
8956 };
8957 let bg_segments_per_row = Self::bg_segments_per_row(
8958 start_row..end_row,
8959 &selections,
8960 &merged_highlighted_ranges,
8961 self.style.background,
8962 );
8963
8964 let mut line_layouts = Self::layout_lines(
8965 start_row..end_row,
8966 &snapshot,
8967 &self.style,
8968 editor_width,
8969 is_row_soft_wrapped,
8970 &bg_segments_per_row,
8971 window,
8972 cx,
8973 );
8974 let new_renderer_widths = (!is_minimap).then(|| {
8975 line_layouts
8976 .iter()
8977 .flat_map(|layout| &layout.fragments)
8978 .filter_map(|fragment| {
8979 if let LineFragment::Element { id, size, .. } = fragment {
8980 Some((*id, size.width))
8981 } else {
8982 None
8983 }
8984 })
8985 });
8986 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8987 self.editor.update(cx, |editor, cx| {
8988 editor.update_renderer_widths(new_renderer_widths, cx)
8989 })
8990 }) {
8991 // If the fold widths have changed, we need to prepaint
8992 // the element again to account for any changes in
8993 // wrapping.
8994 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8995 }
8996
8997 let longest_line_blame_width = self
8998 .editor
8999 .update(cx, |editor, cx| {
9000 if !editor.show_git_blame_inline {
9001 return None;
9002 }
9003 let blame = editor.blame.as_ref()?;
9004 let (_, blame_entry) = blame
9005 .update(cx, |blame, cx| {
9006 let row_infos =
9007 snapshot.row_infos(snapshot.longest_row()).next()?;
9008 blame.blame_for_rows(&[row_infos], cx).next()
9009 })
9010 .flatten()?;
9011 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9012 let inline_blame_padding =
9013 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9014 * em_advance;
9015 Some(
9016 element
9017 .layout_as_root(AvailableSpace::min_size(), window, cx)
9018 .width
9019 + inline_blame_padding,
9020 )
9021 })
9022 .unwrap_or(Pixels::ZERO);
9023
9024 let longest_line_width = layout_line(
9025 snapshot.longest_row(),
9026 &snapshot,
9027 style,
9028 editor_width,
9029 is_row_soft_wrapped,
9030 window,
9031 cx,
9032 )
9033 .width;
9034
9035 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9036 text_hitbox.bounds,
9037 glyph_grid_cell,
9038 size(
9039 longest_line_width,
9040 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9041 ),
9042 longest_line_blame_width,
9043 EditorSettings::get_global(cx),
9044 );
9045
9046 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9047
9048 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9049 snapshot.sticky_header_excerpt(scroll_position.y)
9050 } else {
9051 None
9052 };
9053 let sticky_header_excerpt_id =
9054 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9055
9056 let blocks = (!is_minimap)
9057 .then(|| {
9058 window.with_element_namespace("blocks", |window| {
9059 self.render_blocks(
9060 start_row..end_row,
9061 &snapshot,
9062 &hitbox,
9063 &text_hitbox,
9064 editor_width,
9065 &mut scroll_width,
9066 &editor_margins,
9067 em_width,
9068 gutter_dimensions.full_width(),
9069 line_height,
9070 &mut line_layouts,
9071 &local_selections,
9072 &selected_buffer_ids,
9073 is_row_soft_wrapped,
9074 sticky_header_excerpt_id,
9075 window,
9076 cx,
9077 )
9078 })
9079 })
9080 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9081 let (mut blocks, row_block_types) = match blocks {
9082 Ok(blocks) => blocks,
9083 Err(resized_blocks) => {
9084 self.editor.update(cx, |editor, cx| {
9085 editor.resize_blocks(
9086 resized_blocks,
9087 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9088 cx,
9089 )
9090 });
9091 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9092 }
9093 };
9094
9095 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9096 window.with_element_namespace("blocks", |window| {
9097 self.layout_sticky_buffer_header(
9098 sticky_header_excerpt,
9099 scroll_position,
9100 line_height,
9101 right_margin,
9102 &snapshot,
9103 &hitbox,
9104 &selected_buffer_ids,
9105 &blocks,
9106 window,
9107 cx,
9108 )
9109 })
9110 });
9111
9112 let start_buffer_row =
9113 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9114 let end_buffer_row =
9115 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9116
9117 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9118 ScrollPixelOffset::from(
9119 ((scroll_width - editor_width) / em_advance).max(0.0),
9120 ),
9121 max_scroll_top,
9122 );
9123
9124 self.editor.update(cx, |editor, cx| {
9125 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9126 scroll_position.x = scroll_position.x.min(scroll_max.x);
9127 }
9128
9129 if needs_horizontal_autoscroll.0
9130 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9131 start_row,
9132 editor_width,
9133 scroll_width,
9134 em_advance,
9135 &line_layouts,
9136 autoscroll_request,
9137 window,
9138 cx,
9139 )
9140 {
9141 scroll_position = new_scroll_position;
9142 }
9143 });
9144
9145 let scroll_pixel_position = point(
9146 scroll_position.x * f64::from(em_advance),
9147 scroll_position.y * f64::from(line_height),
9148 );
9149 let indent_guides = self.layout_indent_guides(
9150 content_origin,
9151 text_hitbox.origin,
9152 start_buffer_row..end_buffer_row,
9153 scroll_pixel_position,
9154 line_height,
9155 &snapshot,
9156 window,
9157 cx,
9158 );
9159
9160 let crease_trailers =
9161 window.with_element_namespace("crease_trailers", |window| {
9162 self.prepaint_crease_trailers(
9163 crease_trailers,
9164 &line_layouts,
9165 line_height,
9166 content_origin,
9167 scroll_pixel_position,
9168 em_width,
9169 window,
9170 cx,
9171 )
9172 });
9173
9174 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9175 .editor
9176 .update(cx, |editor, cx| {
9177 editor.render_edit_prediction_popover(
9178 &text_hitbox.bounds,
9179 content_origin,
9180 right_margin,
9181 &snapshot,
9182 start_row..end_row,
9183 scroll_position.y,
9184 scroll_position.y + height_in_lines,
9185 &line_layouts,
9186 line_height,
9187 scroll_position,
9188 scroll_pixel_position,
9189 newest_selection_head,
9190 editor_width,
9191 style,
9192 window,
9193 cx,
9194 )
9195 })
9196 .unzip();
9197
9198 let mut inline_diagnostics = self.layout_inline_diagnostics(
9199 &line_layouts,
9200 &crease_trailers,
9201 &row_block_types,
9202 content_origin,
9203 scroll_position,
9204 scroll_pixel_position,
9205 edit_prediction_popover_origin,
9206 start_row,
9207 end_row,
9208 line_height,
9209 em_width,
9210 style,
9211 window,
9212 cx,
9213 );
9214
9215 let mut inline_blame_layout = None;
9216 let mut inline_code_actions = None;
9217 if let Some(newest_selection_head) = newest_selection_head {
9218 let display_row = newest_selection_head.row();
9219 if (start_row..end_row).contains(&display_row)
9220 && !row_block_types.contains_key(&display_row)
9221 {
9222 inline_code_actions = self.layout_inline_code_actions(
9223 newest_selection_head,
9224 content_origin,
9225 scroll_position,
9226 scroll_pixel_position,
9227 line_height,
9228 &snapshot,
9229 window,
9230 cx,
9231 );
9232
9233 let line_ix = display_row.minus(start_row) as usize;
9234 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9235 row_infos.get(line_ix),
9236 line_layouts.get(line_ix),
9237 crease_trailers.get(line_ix),
9238 ) {
9239 let crease_trailer_layout = crease_trailer.as_ref();
9240 if let Some(layout) = self.layout_inline_blame(
9241 display_row,
9242 row_info,
9243 line_layout,
9244 crease_trailer_layout,
9245 em_width,
9246 content_origin,
9247 scroll_position,
9248 scroll_pixel_position,
9249 line_height,
9250 &text_hitbox,
9251 window,
9252 cx,
9253 ) {
9254 inline_blame_layout = Some(layout);
9255 // Blame overrides inline diagnostics
9256 inline_diagnostics.remove(&display_row);
9257 }
9258 } else {
9259 log::error!(
9260 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9261 line_layouts.len(): {}, \
9262 crease_trailers.len(): {}",
9263 line_ix,
9264 row_infos.len(),
9265 line_layouts.len(),
9266 crease_trailers.len(),
9267 );
9268 }
9269 }
9270 }
9271
9272 let blamed_display_rows = self.layout_blame_entries(
9273 &row_infos,
9274 em_width,
9275 scroll_position,
9276 line_height,
9277 &gutter_hitbox,
9278 gutter_dimensions.git_blame_entries_width,
9279 window,
9280 cx,
9281 );
9282
9283 let line_elements = self.prepaint_lines(
9284 start_row,
9285 &mut line_layouts,
9286 line_height,
9287 scroll_position,
9288 scroll_pixel_position,
9289 content_origin,
9290 window,
9291 cx,
9292 );
9293
9294 window.with_element_namespace("blocks", |window| {
9295 self.layout_blocks(
9296 &mut blocks,
9297 &hitbox,
9298 line_height,
9299 scroll_position,
9300 scroll_pixel_position,
9301 window,
9302 cx,
9303 );
9304 });
9305
9306 let cursors = self.collect_cursors(&snapshot, cx);
9307 let visible_row_range = start_row..end_row;
9308 let non_visible_cursors = cursors
9309 .iter()
9310 .any(|c| !visible_row_range.contains(&c.0.row()));
9311
9312 let visible_cursors = self.layout_visible_cursors(
9313 &snapshot,
9314 &selections,
9315 &row_block_types,
9316 start_row..end_row,
9317 &line_layouts,
9318 &text_hitbox,
9319 content_origin,
9320 scroll_position,
9321 scroll_pixel_position,
9322 line_height,
9323 em_width,
9324 em_advance,
9325 autoscroll_containing_element,
9326 window,
9327 cx,
9328 );
9329
9330 let scrollbars_layout = self.layout_scrollbars(
9331 &snapshot,
9332 &scrollbar_layout_information,
9333 content_offset,
9334 scroll_position,
9335 non_visible_cursors,
9336 right_margin,
9337 editor_width,
9338 window,
9339 cx,
9340 );
9341
9342 let gutter_settings = EditorSettings::get_global(cx).gutter;
9343
9344 let context_menu_layout =
9345 if let Some(newest_selection_head) = newest_selection_head {
9346 let newest_selection_point =
9347 newest_selection_head.to_point(&snapshot.display_snapshot);
9348 if (start_row..end_row).contains(&newest_selection_head.row()) {
9349 self.layout_cursor_popovers(
9350 line_height,
9351 &text_hitbox,
9352 content_origin,
9353 right_margin,
9354 start_row,
9355 scroll_pixel_position,
9356 &line_layouts,
9357 newest_selection_head,
9358 newest_selection_point,
9359 style,
9360 window,
9361 cx,
9362 )
9363 } else {
9364 None
9365 }
9366 } else {
9367 None
9368 };
9369
9370 self.layout_gutter_menu(
9371 line_height,
9372 &text_hitbox,
9373 content_origin,
9374 right_margin,
9375 scroll_pixel_position,
9376 gutter_dimensions.width - gutter_dimensions.left_padding,
9377 window,
9378 cx,
9379 );
9380
9381 let test_indicators = if gutter_settings.runnables {
9382 self.layout_run_indicators(
9383 line_height,
9384 start_row..end_row,
9385 &row_infos,
9386 scroll_position,
9387 &gutter_dimensions,
9388 &gutter_hitbox,
9389 &display_hunks,
9390 &snapshot,
9391 &mut breakpoint_rows,
9392 window,
9393 cx,
9394 )
9395 } else {
9396 Vec::new()
9397 };
9398
9399 let show_breakpoints = snapshot
9400 .show_breakpoints
9401 .unwrap_or(gutter_settings.breakpoints);
9402 let breakpoints = if show_breakpoints {
9403 self.layout_breakpoints(
9404 line_height,
9405 start_row..end_row,
9406 scroll_position,
9407 &gutter_dimensions,
9408 &gutter_hitbox,
9409 &display_hunks,
9410 &snapshot,
9411 breakpoint_rows,
9412 &row_infos,
9413 window,
9414 cx,
9415 )
9416 } else {
9417 Vec::new()
9418 };
9419
9420 self.layout_signature_help(
9421 &hitbox,
9422 content_origin,
9423 scroll_pixel_position,
9424 newest_selection_head,
9425 start_row,
9426 &line_layouts,
9427 line_height,
9428 em_width,
9429 context_menu_layout,
9430 window,
9431 cx,
9432 );
9433
9434 if !cx.has_active_drag() {
9435 self.layout_hover_popovers(
9436 &snapshot,
9437 &hitbox,
9438 start_row..end_row,
9439 content_origin,
9440 scroll_pixel_position,
9441 &line_layouts,
9442 line_height,
9443 em_width,
9444 context_menu_layout,
9445 window,
9446 cx,
9447 );
9448 }
9449
9450 let mouse_context_menu = self.layout_mouse_context_menu(
9451 &snapshot,
9452 start_row..end_row,
9453 content_origin,
9454 window,
9455 cx,
9456 );
9457
9458 window.with_element_namespace("crease_toggles", |window| {
9459 self.prepaint_crease_toggles(
9460 &mut crease_toggles,
9461 line_height,
9462 &gutter_dimensions,
9463 gutter_settings,
9464 scroll_pixel_position,
9465 &gutter_hitbox,
9466 window,
9467 cx,
9468 )
9469 });
9470
9471 window.with_element_namespace("expand_toggles", |window| {
9472 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9473 });
9474
9475 let wrap_guides = self.layout_wrap_guides(
9476 em_advance,
9477 scroll_position,
9478 content_origin,
9479 scrollbars_layout.as_ref(),
9480 vertical_scrollbar_width,
9481 &hitbox,
9482 window,
9483 cx,
9484 );
9485
9486 let minimap = window.with_element_namespace("minimap", |window| {
9487 self.layout_minimap(
9488 &snapshot,
9489 minimap_width,
9490 scroll_position,
9491 &scrollbar_layout_information,
9492 scrollbars_layout.as_ref(),
9493 window,
9494 cx,
9495 )
9496 });
9497
9498 let invisible_symbol_font_size = font_size / 2.;
9499 let whitespace_map = &self
9500 .editor
9501 .read(cx)
9502 .buffer
9503 .read(cx)
9504 .language_settings(cx)
9505 .whitespace_map;
9506
9507 let tab_char = whitespace_map.tab.clone();
9508 let tab_len = tab_char.len();
9509 let tab_invisible = window.text_system().shape_line(
9510 tab_char,
9511 invisible_symbol_font_size,
9512 &[TextRun {
9513 len: tab_len,
9514 font: self.style.text.font(),
9515 color: cx.theme().colors().editor_invisible,
9516 background_color: None,
9517 underline: None,
9518 strikethrough: None,
9519 }],
9520 None,
9521 );
9522
9523 let space_char = whitespace_map.space.clone();
9524 let space_len = space_char.len();
9525 let space_invisible = window.text_system().shape_line(
9526 space_char,
9527 invisible_symbol_font_size,
9528 &[TextRun {
9529 len: space_len,
9530 font: self.style.text.font(),
9531 color: cx.theme().colors().editor_invisible,
9532 background_color: None,
9533 underline: None,
9534 strikethrough: None,
9535 }],
9536 None,
9537 );
9538
9539 let mode = snapshot.mode.clone();
9540
9541 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9542 (vec![], vec![])
9543 } else {
9544 self.layout_diff_hunk_controls(
9545 start_row..end_row,
9546 &row_infos,
9547 &text_hitbox,
9548 newest_selection_head,
9549 line_height,
9550 right_margin,
9551 scroll_pixel_position,
9552 &display_hunks,
9553 &highlighted_rows,
9554 self.editor.clone(),
9555 window,
9556 cx,
9557 )
9558 };
9559
9560 let position_map = Rc::new(PositionMap {
9561 size: bounds.size,
9562 visible_row_range,
9563 scroll_position,
9564 scroll_pixel_position,
9565 scroll_max,
9566 line_layouts,
9567 line_height,
9568 em_width,
9569 em_advance,
9570 snapshot,
9571 gutter_hitbox: gutter_hitbox.clone(),
9572 text_hitbox: text_hitbox.clone(),
9573 inline_blame_bounds: inline_blame_layout
9574 .as_ref()
9575 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9576 display_hunks: display_hunks.clone(),
9577 diff_hunk_control_bounds,
9578 });
9579
9580 self.editor.update(cx, |editor, _| {
9581 editor.last_position_map = Some(position_map.clone())
9582 });
9583
9584 EditorLayout {
9585 mode,
9586 position_map,
9587 visible_display_row_range: start_row..end_row,
9588 wrap_guides,
9589 indent_guides,
9590 hitbox,
9591 gutter_hitbox,
9592 display_hunks,
9593 content_origin,
9594 scrollbars_layout,
9595 minimap,
9596 active_rows,
9597 highlighted_rows,
9598 highlighted_ranges,
9599 highlighted_gutter_ranges,
9600 redacted_ranges,
9601 document_colors,
9602 line_elements,
9603 line_numbers,
9604 blamed_display_rows,
9605 inline_diagnostics,
9606 inline_blame_layout,
9607 inline_code_actions,
9608 blocks,
9609 cursors,
9610 visible_cursors,
9611 selections,
9612 edit_prediction_popover,
9613 diff_hunk_controls,
9614 mouse_context_menu,
9615 test_indicators,
9616 breakpoints,
9617 crease_toggles,
9618 crease_trailers,
9619 tab_invisible,
9620 space_invisible,
9621 sticky_buffer_header,
9622 expand_toggles,
9623 }
9624 })
9625 })
9626 })
9627 }
9628
9629 fn paint(
9630 &mut self,
9631 _: Option<&GlobalElementId>,
9632 _inspector_id: Option<&gpui::InspectorElementId>,
9633 bounds: Bounds<gpui::Pixels>,
9634 _: &mut Self::RequestLayoutState,
9635 layout: &mut Self::PrepaintState,
9636 window: &mut Window,
9637 cx: &mut App,
9638 ) {
9639 if !layout.mode.is_minimap() {
9640 let focus_handle = self.editor.focus_handle(cx);
9641 let key_context = self
9642 .editor
9643 .update(cx, |editor, cx| editor.key_context(window, cx));
9644
9645 window.set_key_context(key_context);
9646 window.handle_input(
9647 &focus_handle,
9648 ElementInputHandler::new(bounds, self.editor.clone()),
9649 cx,
9650 );
9651 self.register_actions(window, cx);
9652 self.register_key_listeners(window, cx, layout);
9653 }
9654
9655 let text_style = TextStyleRefinement {
9656 font_size: Some(self.style.text.font_size),
9657 line_height: Some(self.style.text.line_height),
9658 ..Default::default()
9659 };
9660 let rem_size = self.rem_size(cx);
9661 window.with_rem_size(rem_size, |window| {
9662 window.with_text_style(Some(text_style), |window| {
9663 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9664 self.paint_mouse_listeners(layout, window, cx);
9665 self.paint_background(layout, window, cx);
9666 self.paint_indent_guides(layout, window, cx);
9667
9668 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9669 self.paint_blamed_display_rows(layout, window, cx);
9670 self.paint_line_numbers(layout, window, cx);
9671 }
9672
9673 self.paint_text(layout, window, cx);
9674
9675 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9676 self.paint_gutter_highlights(layout, window, cx);
9677 self.paint_gutter_indicators(layout, window, cx);
9678 }
9679
9680 if !layout.blocks.is_empty() {
9681 window.with_element_namespace("blocks", |window| {
9682 self.paint_blocks(layout, window, cx);
9683 });
9684 }
9685
9686 window.with_element_namespace("blocks", |window| {
9687 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9688 sticky_header.paint(window, cx)
9689 }
9690 });
9691
9692 self.paint_minimap(layout, window, cx);
9693 self.paint_scrollbars(layout, window, cx);
9694 self.paint_edit_prediction_popover(layout, window, cx);
9695 self.paint_mouse_context_menu(layout, window, cx);
9696 });
9697 })
9698 })
9699 }
9700}
9701
9702pub(super) fn gutter_bounds(
9703 editor_bounds: Bounds<Pixels>,
9704 gutter_dimensions: GutterDimensions,
9705) -> Bounds<Pixels> {
9706 Bounds {
9707 origin: editor_bounds.origin,
9708 size: size(gutter_dimensions.width, editor_bounds.size.height),
9709 }
9710}
9711
9712#[derive(Clone, Copy)]
9713struct ContextMenuLayout {
9714 y_flipped: bool,
9715 bounds: Bounds<Pixels>,
9716}
9717
9718/// Holds information required for layouting the editor scrollbars.
9719struct ScrollbarLayoutInformation {
9720 /// The bounds of the editor area (excluding the content offset).
9721 editor_bounds: Bounds<Pixels>,
9722 /// The available range to scroll within the document.
9723 scroll_range: Size<Pixels>,
9724 /// The space available for one glyph in the editor.
9725 glyph_grid_cell: Size<Pixels>,
9726}
9727
9728impl ScrollbarLayoutInformation {
9729 pub fn new(
9730 editor_bounds: Bounds<Pixels>,
9731 glyph_grid_cell: Size<Pixels>,
9732 document_size: Size<Pixels>,
9733 longest_line_blame_width: Pixels,
9734 settings: &EditorSettings,
9735 ) -> Self {
9736 let vertical_overscroll = match settings.scroll_beyond_last_line {
9737 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9738 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9739 ScrollBeyondLastLine::VerticalScrollMargin => {
9740 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9741 }
9742 };
9743
9744 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9745
9746 ScrollbarLayoutInformation {
9747 editor_bounds,
9748 scroll_range: document_size + overscroll,
9749 glyph_grid_cell,
9750 }
9751 }
9752}
9753
9754impl IntoElement for EditorElement {
9755 type Element = Self;
9756
9757 fn into_element(self) -> Self::Element {
9758 self
9759 }
9760}
9761
9762pub struct EditorLayout {
9763 position_map: Rc<PositionMap>,
9764 hitbox: Hitbox,
9765 gutter_hitbox: Hitbox,
9766 content_origin: gpui::Point<Pixels>,
9767 scrollbars_layout: Option<EditorScrollbars>,
9768 minimap: Option<MinimapLayout>,
9769 mode: EditorMode,
9770 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9771 indent_guides: Option<Vec<IndentGuideLayout>>,
9772 visible_display_row_range: Range<DisplayRow>,
9773 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9774 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9775 line_elements: SmallVec<[AnyElement; 1]>,
9776 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9777 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9778 blamed_display_rows: Option<Vec<AnyElement>>,
9779 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9780 inline_blame_layout: Option<InlineBlameLayout>,
9781 inline_code_actions: Option<AnyElement>,
9782 blocks: Vec<BlockLayout>,
9783 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9784 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9785 redacted_ranges: Vec<Range<DisplayPoint>>,
9786 cursors: Vec<(DisplayPoint, Hsla)>,
9787 visible_cursors: Vec<CursorLayout>,
9788 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9789 test_indicators: Vec<AnyElement>,
9790 breakpoints: Vec<AnyElement>,
9791 crease_toggles: Vec<Option<AnyElement>>,
9792 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9793 diff_hunk_controls: Vec<AnyElement>,
9794 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9795 edit_prediction_popover: Option<AnyElement>,
9796 mouse_context_menu: Option<AnyElement>,
9797 tab_invisible: ShapedLine,
9798 space_invisible: ShapedLine,
9799 sticky_buffer_header: Option<AnyElement>,
9800 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9801}
9802
9803impl EditorLayout {
9804 fn line_end_overshoot(&self) -> Pixels {
9805 0.15 * self.position_map.line_height
9806 }
9807}
9808
9809#[derive(Debug)]
9810struct LineNumberSegment {
9811 shaped_line: ShapedLine,
9812 hitbox: Option<Hitbox>,
9813}
9814
9815#[derive(Debug)]
9816struct LineNumberLayout {
9817 segments: SmallVec<[LineNumberSegment; 1]>,
9818}
9819
9820struct ColoredRange<T> {
9821 start: T,
9822 end: T,
9823 color: Hsla,
9824}
9825
9826impl Along for ScrollbarAxes {
9827 type Unit = bool;
9828
9829 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9830 match axis {
9831 ScrollbarAxis::Horizontal => self.horizontal,
9832 ScrollbarAxis::Vertical => self.vertical,
9833 }
9834 }
9835
9836 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9837 match axis {
9838 ScrollbarAxis::Horizontal => ScrollbarAxes {
9839 horizontal: f(self.horizontal),
9840 vertical: self.vertical,
9841 },
9842 ScrollbarAxis::Vertical => ScrollbarAxes {
9843 horizontal: self.horizontal,
9844 vertical: f(self.vertical),
9845 },
9846 }
9847 }
9848}
9849
9850#[derive(Clone)]
9851struct EditorScrollbars {
9852 pub vertical: Option<ScrollbarLayout>,
9853 pub horizontal: Option<ScrollbarLayout>,
9854 pub visible: bool,
9855}
9856
9857impl EditorScrollbars {
9858 pub fn from_scrollbar_axes(
9859 show_scrollbar: ScrollbarAxes,
9860 layout_information: &ScrollbarLayoutInformation,
9861 content_offset: gpui::Point<Pixels>,
9862 scroll_position: gpui::Point<f64>,
9863 scrollbar_width: Pixels,
9864 right_margin: Pixels,
9865 editor_width: Pixels,
9866 show_scrollbars: bool,
9867 scrollbar_state: Option<&ActiveScrollbarState>,
9868 window: &mut Window,
9869 ) -> Self {
9870 let ScrollbarLayoutInformation {
9871 editor_bounds,
9872 scroll_range,
9873 glyph_grid_cell,
9874 } = layout_information;
9875
9876 let viewport_size = size(editor_width, editor_bounds.size.height);
9877
9878 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9879 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9880 Corner::BottomLeft,
9881 editor_bounds.bottom_left(),
9882 size(
9883 // The horizontal viewport size differs from the space available for the
9884 // horizontal scrollbar, so we have to manually stitch it together here.
9885 editor_bounds.size.width - right_margin,
9886 scrollbar_width,
9887 ),
9888 ),
9889 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9890 Corner::TopRight,
9891 editor_bounds.top_right(),
9892 size(scrollbar_width, viewport_size.height),
9893 ),
9894 };
9895
9896 let mut create_scrollbar_layout = |axis| {
9897 let viewport_size = viewport_size.along(axis);
9898 let scroll_range = scroll_range.along(axis);
9899
9900 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9901 (show_scrollbar.along(axis)
9902 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9903 .then(|| {
9904 ScrollbarLayout::new(
9905 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9906 viewport_size,
9907 scroll_range,
9908 glyph_grid_cell.along(axis),
9909 content_offset.along(axis),
9910 scroll_position.along(axis),
9911 show_scrollbars,
9912 axis,
9913 )
9914 .with_thumb_state(
9915 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9916 )
9917 })
9918 };
9919
9920 Self {
9921 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9922 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9923 visible: show_scrollbars,
9924 }
9925 }
9926
9927 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9928 [
9929 (&self.vertical, ScrollbarAxis::Vertical),
9930 (&self.horizontal, ScrollbarAxis::Horizontal),
9931 ]
9932 .into_iter()
9933 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9934 }
9935
9936 /// Returns the currently hovered scrollbar axis, if any.
9937 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9938 self.iter_scrollbars()
9939 .find(|s| s.0.hitbox.is_hovered(window))
9940 }
9941}
9942
9943#[derive(Clone)]
9944struct ScrollbarLayout {
9945 hitbox: Hitbox,
9946 visible_range: Range<ScrollOffset>,
9947 text_unit_size: Pixels,
9948 thumb_bounds: Option<Bounds<Pixels>>,
9949 thumb_state: ScrollbarThumbState,
9950}
9951
9952impl ScrollbarLayout {
9953 const BORDER_WIDTH: Pixels = px(1.0);
9954 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9955 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9956 const MIN_THUMB_SIZE: Pixels = px(25.0);
9957
9958 fn new(
9959 scrollbar_track_hitbox: Hitbox,
9960 viewport_size: Pixels,
9961 scroll_range: Pixels,
9962 glyph_space: Pixels,
9963 content_offset: Pixels,
9964 scroll_position: ScrollOffset,
9965 show_thumb: bool,
9966 axis: ScrollbarAxis,
9967 ) -> Self {
9968 let track_bounds = scrollbar_track_hitbox.bounds;
9969 // The length of the track available to the scrollbar thumb. We deliberately
9970 // exclude the content size here so that the thumb aligns with the content.
9971 let track_length = track_bounds.size.along(axis) - content_offset;
9972
9973 Self::new_with_hitbox_and_track_length(
9974 scrollbar_track_hitbox,
9975 track_length,
9976 viewport_size,
9977 scroll_range.into(),
9978 glyph_space,
9979 content_offset.into(),
9980 scroll_position,
9981 show_thumb,
9982 axis,
9983 )
9984 }
9985
9986 fn for_minimap(
9987 minimap_track_hitbox: Hitbox,
9988 visible_lines: f64,
9989 total_editor_lines: f64,
9990 minimap_line_height: Pixels,
9991 scroll_position: ScrollOffset,
9992 minimap_scroll_top: ScrollOffset,
9993 show_thumb: bool,
9994 ) -> Self {
9995 // The scrollbar thumb size is calculated as
9996 // (visible_content/total_content) Γ scrollbar_track_length.
9997 //
9998 // For the minimap's thumb layout, we leverage this by setting the
9999 // scrollbar track length to the entire document size (using minimap line
10000 // height). This creates a thumb that exactly represents the editor
10001 // viewport scaled to minimap proportions.
10002 //
10003 // We adjust the thumb position relative to `minimap_scroll_top` to
10004 // accommodate for the deliberately oversized track.
10005 //
10006 // This approach ensures that the minimap thumb accurately reflects the
10007 // editor's current scroll position whilst nicely synchronizing the minimap
10008 // thumb and scrollbar thumb.
10009 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10010 let viewport_size = visible_lines * f64::from(minimap_line_height);
10011
10012 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10013
10014 Self::new_with_hitbox_and_track_length(
10015 minimap_track_hitbox,
10016 Pixels::from(scroll_range),
10017 Pixels::from(viewport_size),
10018 scroll_range,
10019 minimap_line_height,
10020 track_top_offset,
10021 scroll_position,
10022 show_thumb,
10023 ScrollbarAxis::Vertical,
10024 )
10025 }
10026
10027 fn new_with_hitbox_and_track_length(
10028 scrollbar_track_hitbox: Hitbox,
10029 track_length: Pixels,
10030 viewport_size: Pixels,
10031 scroll_range: f64,
10032 glyph_space: Pixels,
10033 content_offset: ScrollOffset,
10034 scroll_position: ScrollOffset,
10035 show_thumb: bool,
10036 axis: ScrollbarAxis,
10037 ) -> Self {
10038 let text_units_per_page = f64::from(viewport_size / glyph_space);
10039 let visible_range = scroll_position..scroll_position + text_units_per_page;
10040 let total_text_units = scroll_range / f64::from(glyph_space);
10041
10042 let thumb_percentage = text_units_per_page / total_text_units;
10043 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10044 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10045 .min(track_length);
10046
10047 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10048
10049 let content_larger_than_viewport = text_unit_divisor > 0.;
10050
10051 let text_unit_size = if content_larger_than_viewport {
10052 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10053 } else {
10054 glyph_space
10055 };
10056
10057 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10058 Self::thumb_bounds(
10059 &scrollbar_track_hitbox,
10060 content_offset,
10061 visible_range.start,
10062 text_unit_size,
10063 thumb_size,
10064 axis,
10065 )
10066 });
10067
10068 ScrollbarLayout {
10069 hitbox: scrollbar_track_hitbox,
10070 visible_range,
10071 text_unit_size,
10072 thumb_bounds,
10073 thumb_state: Default::default(),
10074 }
10075 }
10076
10077 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10078 if let Some(thumb_state) = thumb_state {
10079 Self {
10080 thumb_state,
10081 ..self
10082 }
10083 } else {
10084 self
10085 }
10086 }
10087
10088 fn thumb_bounds(
10089 scrollbar_track: &Hitbox,
10090 content_offset: f64,
10091 visible_range_start: f64,
10092 text_unit_size: Pixels,
10093 thumb_size: Pixels,
10094 axis: ScrollbarAxis,
10095 ) -> Bounds<Pixels> {
10096 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10097 origin
10098 + Pixels::from(
10099 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10100 )
10101 });
10102 Bounds::new(
10103 thumb_origin,
10104 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10105 )
10106 }
10107
10108 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10109 self.thumb_bounds
10110 .is_some_and(|bounds| bounds.contains(position))
10111 }
10112
10113 fn marker_quads_for_ranges(
10114 &self,
10115 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10116 column: Option<usize>,
10117 ) -> Vec<PaintQuad> {
10118 struct MinMax {
10119 min: Pixels,
10120 max: Pixels,
10121 }
10122 let (x_range, height_limit) = if let Some(column) = column {
10123 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10124 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10125 let end = start + column_width;
10126 (
10127 Range { start, end },
10128 MinMax {
10129 min: Self::MIN_MARKER_HEIGHT,
10130 max: px(f32::MAX),
10131 },
10132 )
10133 } else {
10134 (
10135 Range {
10136 start: Self::BORDER_WIDTH,
10137 end: self.hitbox.size.width,
10138 },
10139 MinMax {
10140 min: Self::LINE_MARKER_HEIGHT,
10141 max: Self::LINE_MARKER_HEIGHT,
10142 },
10143 )
10144 };
10145
10146 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10147 let mut pixel_ranges = row_ranges
10148 .into_iter()
10149 .map(|range| {
10150 let start_y = row_to_y(range.start);
10151 let end_y = row_to_y(range.end)
10152 + self
10153 .text_unit_size
10154 .max(height_limit.min)
10155 .min(height_limit.max);
10156 ColoredRange {
10157 start: start_y,
10158 end: end_y,
10159 color: range.color,
10160 }
10161 })
10162 .peekable();
10163
10164 let mut quads = Vec::new();
10165 while let Some(mut pixel_range) = pixel_ranges.next() {
10166 while let Some(next_pixel_range) = pixel_ranges.peek() {
10167 if pixel_range.end >= next_pixel_range.start - px(1.0)
10168 && pixel_range.color == next_pixel_range.color
10169 {
10170 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10171 pixel_ranges.next();
10172 } else {
10173 break;
10174 }
10175 }
10176
10177 let bounds = Bounds::from_corners(
10178 point(x_range.start, pixel_range.start),
10179 point(x_range.end, pixel_range.end),
10180 );
10181 quads.push(quad(
10182 bounds,
10183 Corners::default(),
10184 pixel_range.color,
10185 Edges::default(),
10186 Hsla::transparent_black(),
10187 BorderStyle::default(),
10188 ));
10189 }
10190
10191 quads
10192 }
10193}
10194
10195struct MinimapLayout {
10196 pub minimap: AnyElement,
10197 pub thumb_layout: ScrollbarLayout,
10198 pub minimap_scroll_top: ScrollOffset,
10199 pub minimap_line_height: Pixels,
10200 pub thumb_border_style: MinimapThumbBorder,
10201 pub max_scroll_top: ScrollOffset,
10202}
10203
10204impl MinimapLayout {
10205 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10206 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10207 /// The minimap width as a percentage of the editor width.
10208 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10209 /// Calculates the scroll top offset the minimap editor has to have based on the
10210 /// current scroll progress.
10211 fn calculate_minimap_top_offset(
10212 document_lines: f64,
10213 visible_editor_lines: f64,
10214 visible_minimap_lines: f64,
10215 scroll_position: f64,
10216 ) -> ScrollOffset {
10217 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10218 if non_visible_document_lines == 0. {
10219 0.
10220 } else {
10221 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10222 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10223 }
10224 }
10225}
10226
10227struct CreaseTrailerLayout {
10228 element: AnyElement,
10229 bounds: Bounds<Pixels>,
10230}
10231
10232pub(crate) struct PositionMap {
10233 pub size: Size<Pixels>,
10234 pub line_height: Pixels,
10235 pub scroll_position: gpui::Point<ScrollOffset>,
10236 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10237 pub scroll_max: gpui::Point<ScrollOffset>,
10238 pub em_width: Pixels,
10239 pub em_advance: Pixels,
10240 pub visible_row_range: Range<DisplayRow>,
10241 pub line_layouts: Vec<LineWithInvisibles>,
10242 pub snapshot: EditorSnapshot,
10243 pub text_hitbox: Hitbox,
10244 pub gutter_hitbox: Hitbox,
10245 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10246 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10247 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10248}
10249
10250#[derive(Debug, Copy, Clone)]
10251pub struct PointForPosition {
10252 pub previous_valid: DisplayPoint,
10253 pub next_valid: DisplayPoint,
10254 pub exact_unclipped: DisplayPoint,
10255 pub column_overshoot_after_line_end: u32,
10256}
10257
10258impl PointForPosition {
10259 pub fn as_valid(&self) -> Option<DisplayPoint> {
10260 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10261 Some(self.previous_valid)
10262 } else {
10263 None
10264 }
10265 }
10266
10267 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10268 let Some(valid_point) = self.as_valid() else {
10269 return false;
10270 };
10271 let range = selection.range();
10272
10273 let candidate_row = valid_point.row();
10274 let candidate_col = valid_point.column();
10275
10276 let start_row = range.start.row();
10277 let start_col = range.start.column();
10278 let end_row = range.end.row();
10279 let end_col = range.end.column();
10280
10281 if candidate_row < start_row || candidate_row > end_row {
10282 false
10283 } else if start_row == end_row {
10284 candidate_col >= start_col && candidate_col < end_col
10285 } else if candidate_row == start_row {
10286 candidate_col >= start_col
10287 } else if candidate_row == end_row {
10288 candidate_col < end_col
10289 } else {
10290 true
10291 }
10292 }
10293}
10294
10295impl PositionMap {
10296 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10297 let text_bounds = self.text_hitbox.bounds;
10298 let scroll_position = self.snapshot.scroll_position();
10299 let position = position - text_bounds.origin;
10300 let y = position.y.max(px(0.)).min(self.size.height);
10301 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10302 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10303
10304 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10305 .line_layouts
10306 .get(row as usize - scroll_position.y as usize)
10307 {
10308 if let Some(ix) = line.index_for_x(x) {
10309 (ix as u32, px(0.))
10310 } else {
10311 (line.len as u32, px(0.).max(x - line.width))
10312 }
10313 } else {
10314 (0, x)
10315 };
10316
10317 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10318 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10319 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10320
10321 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10322 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10323 PointForPosition {
10324 previous_valid,
10325 next_valid,
10326 exact_unclipped,
10327 column_overshoot_after_line_end,
10328 }
10329 }
10330}
10331
10332struct BlockLayout {
10333 id: BlockId,
10334 x_offset: Pixels,
10335 row: Option<DisplayRow>,
10336 element: AnyElement,
10337 available_space: Size<AvailableSpace>,
10338 style: BlockStyle,
10339 overlaps_gutter: bool,
10340 is_buffer_header: bool,
10341}
10342
10343pub fn layout_line(
10344 row: DisplayRow,
10345 snapshot: &EditorSnapshot,
10346 style: &EditorStyle,
10347 text_width: Pixels,
10348 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10349 window: &mut Window,
10350 cx: &mut App,
10351) -> LineWithInvisibles {
10352 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10353 LineWithInvisibles::from_chunks(
10354 chunks,
10355 style,
10356 MAX_LINE_LEN,
10357 1,
10358 &snapshot.mode,
10359 text_width,
10360 is_row_soft_wrapped,
10361 &[],
10362 window,
10363 cx,
10364 )
10365 .pop()
10366 .unwrap()
10367}
10368
10369#[derive(Debug)]
10370pub struct IndentGuideLayout {
10371 origin: gpui::Point<Pixels>,
10372 length: Pixels,
10373 single_indent_width: Pixels,
10374 depth: u32,
10375 active: bool,
10376 settings: IndentGuideSettings,
10377}
10378
10379pub struct CursorLayout {
10380 origin: gpui::Point<Pixels>,
10381 block_width: Pixels,
10382 line_height: Pixels,
10383 color: Hsla,
10384 shape: CursorShape,
10385 block_text: Option<ShapedLine>,
10386 cursor_name: Option<AnyElement>,
10387}
10388
10389#[derive(Debug)]
10390pub struct CursorName {
10391 string: SharedString,
10392 color: Hsla,
10393 is_top_row: bool,
10394}
10395
10396impl CursorLayout {
10397 pub fn new(
10398 origin: gpui::Point<Pixels>,
10399 block_width: Pixels,
10400 line_height: Pixels,
10401 color: Hsla,
10402 shape: CursorShape,
10403 block_text: Option<ShapedLine>,
10404 ) -> CursorLayout {
10405 CursorLayout {
10406 origin,
10407 block_width,
10408 line_height,
10409 color,
10410 shape,
10411 block_text,
10412 cursor_name: None,
10413 }
10414 }
10415
10416 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10417 Bounds {
10418 origin: self.origin + origin,
10419 size: size(self.block_width, self.line_height),
10420 }
10421 }
10422
10423 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10424 match self.shape {
10425 CursorShape::Bar => Bounds {
10426 origin: self.origin + origin,
10427 size: size(px(2.0), self.line_height),
10428 },
10429 CursorShape::Block | CursorShape::Hollow => Bounds {
10430 origin: self.origin + origin,
10431 size: size(self.block_width, self.line_height),
10432 },
10433 CursorShape::Underline => Bounds {
10434 origin: self.origin
10435 + origin
10436 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10437 size: size(self.block_width, px(2.0)),
10438 },
10439 }
10440 }
10441
10442 pub fn layout(
10443 &mut self,
10444 origin: gpui::Point<Pixels>,
10445 cursor_name: Option<CursorName>,
10446 window: &mut Window,
10447 cx: &mut App,
10448 ) {
10449 if let Some(cursor_name) = cursor_name {
10450 let bounds = self.bounds(origin);
10451 let text_size = self.line_height / 1.5;
10452
10453 let name_origin = if cursor_name.is_top_row {
10454 point(bounds.right() - px(1.), bounds.top())
10455 } else {
10456 match self.shape {
10457 CursorShape::Bar => point(
10458 bounds.right() - px(2.),
10459 bounds.top() - text_size / 2. - px(1.),
10460 ),
10461 _ => point(
10462 bounds.right() - px(1.),
10463 bounds.top() - text_size / 2. - px(1.),
10464 ),
10465 }
10466 };
10467 let mut name_element = div()
10468 .bg(self.color)
10469 .text_size(text_size)
10470 .px_0p5()
10471 .line_height(text_size + px(2.))
10472 .text_color(cursor_name.color)
10473 .child(cursor_name.string)
10474 .into_any_element();
10475
10476 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10477
10478 self.cursor_name = Some(name_element);
10479 }
10480 }
10481
10482 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10483 let bounds = self.bounds(origin);
10484
10485 //Draw background or border quad
10486 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10487 outline(bounds, self.color, BorderStyle::Solid)
10488 } else {
10489 fill(bounds, self.color)
10490 };
10491
10492 if let Some(name) = &mut self.cursor_name {
10493 name.paint(window, cx);
10494 }
10495
10496 window.paint_quad(cursor);
10497
10498 if let Some(block_text) = &self.block_text {
10499 block_text
10500 .paint(self.origin + origin, self.line_height, window, cx)
10501 .log_err();
10502 }
10503 }
10504
10505 pub fn shape(&self) -> CursorShape {
10506 self.shape
10507 }
10508}
10509
10510#[derive(Debug)]
10511pub struct HighlightedRange {
10512 pub start_y: Pixels,
10513 pub line_height: Pixels,
10514 pub lines: Vec<HighlightedRangeLine>,
10515 pub color: Hsla,
10516 pub corner_radius: Pixels,
10517}
10518
10519#[derive(Debug)]
10520pub struct HighlightedRangeLine {
10521 pub start_x: Pixels,
10522 pub end_x: Pixels,
10523}
10524
10525impl HighlightedRange {
10526 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10527 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10528 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10529 self.paint_lines(
10530 self.start_y + self.line_height,
10531 &self.lines[1..],
10532 fill,
10533 bounds,
10534 window,
10535 );
10536 } else {
10537 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10538 }
10539 }
10540
10541 fn paint_lines(
10542 &self,
10543 start_y: Pixels,
10544 lines: &[HighlightedRangeLine],
10545 fill: bool,
10546 _bounds: Bounds<Pixels>,
10547 window: &mut Window,
10548 ) {
10549 if lines.is_empty() {
10550 return;
10551 }
10552
10553 let first_line = lines.first().unwrap();
10554 let last_line = lines.last().unwrap();
10555
10556 let first_top_left = point(first_line.start_x, start_y);
10557 let first_top_right = point(first_line.end_x, start_y);
10558
10559 let curve_height = point(Pixels::ZERO, self.corner_radius);
10560 let curve_width = |start_x: Pixels, end_x: Pixels| {
10561 let max = (end_x - start_x) / 2.;
10562 let width = if max < self.corner_radius {
10563 max
10564 } else {
10565 self.corner_radius
10566 };
10567
10568 point(width, Pixels::ZERO)
10569 };
10570
10571 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10572 let mut builder = if fill {
10573 gpui::PathBuilder::fill()
10574 } else {
10575 gpui::PathBuilder::stroke(px(1.))
10576 };
10577 builder.move_to(first_top_right - top_curve_width);
10578 builder.curve_to(first_top_right + curve_height, first_top_right);
10579
10580 let mut iter = lines.iter().enumerate().peekable();
10581 while let Some((ix, line)) = iter.next() {
10582 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10583
10584 if let Some((_, next_line)) = iter.peek() {
10585 let next_top_right = point(next_line.end_x, bottom_right.y);
10586
10587 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10588 Ordering::Equal => {
10589 builder.line_to(bottom_right);
10590 }
10591 Ordering::Less => {
10592 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10593 builder.line_to(bottom_right - curve_height);
10594 if self.corner_radius > Pixels::ZERO {
10595 builder.curve_to(bottom_right - curve_width, bottom_right);
10596 }
10597 builder.line_to(next_top_right + curve_width);
10598 if self.corner_radius > Pixels::ZERO {
10599 builder.curve_to(next_top_right + curve_height, next_top_right);
10600 }
10601 }
10602 Ordering::Greater => {
10603 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10604 builder.line_to(bottom_right - curve_height);
10605 if self.corner_radius > Pixels::ZERO {
10606 builder.curve_to(bottom_right + curve_width, bottom_right);
10607 }
10608 builder.line_to(next_top_right - curve_width);
10609 if self.corner_radius > Pixels::ZERO {
10610 builder.curve_to(next_top_right + curve_height, next_top_right);
10611 }
10612 }
10613 }
10614 } else {
10615 let curve_width = curve_width(line.start_x, line.end_x);
10616 builder.line_to(bottom_right - curve_height);
10617 if self.corner_radius > Pixels::ZERO {
10618 builder.curve_to(bottom_right - curve_width, bottom_right);
10619 }
10620
10621 let bottom_left = point(line.start_x, bottom_right.y);
10622 builder.line_to(bottom_left + curve_width);
10623 if self.corner_radius > Pixels::ZERO {
10624 builder.curve_to(bottom_left - curve_height, bottom_left);
10625 }
10626 }
10627 }
10628
10629 if first_line.start_x > last_line.start_x {
10630 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10631 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10632 builder.line_to(second_top_left + curve_height);
10633 if self.corner_radius > Pixels::ZERO {
10634 builder.curve_to(second_top_left + curve_width, second_top_left);
10635 }
10636 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10637 builder.line_to(first_bottom_left - curve_width);
10638 if self.corner_radius > Pixels::ZERO {
10639 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10640 }
10641 }
10642
10643 builder.line_to(first_top_left + curve_height);
10644 if self.corner_radius > Pixels::ZERO {
10645 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10646 }
10647 builder.line_to(first_top_right - top_curve_width);
10648
10649 if let Ok(path) = builder.build() {
10650 window.paint_path(path, self.color);
10651 }
10652 }
10653}
10654
10655enum CursorPopoverType {
10656 CodeContextMenu,
10657 EditPrediction,
10658}
10659
10660pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10661 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10662}
10663
10664fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10665 (delta.pow(1.2) / 300.0).into()
10666}
10667
10668pub fn register_action<T: Action>(
10669 editor: &Entity<Editor>,
10670 window: &mut Window,
10671 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10672) {
10673 let editor = editor.clone();
10674 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10675 let action = action.downcast_ref().unwrap();
10676 if phase == DispatchPhase::Bubble {
10677 editor.update(cx, |editor, cx| {
10678 listener(editor, action, window, cx);
10679 })
10680 }
10681 })
10682}
10683
10684fn compute_auto_height_layout(
10685 editor: &mut Editor,
10686 min_lines: usize,
10687 max_lines: Option<usize>,
10688 max_line_number_width: Pixels,
10689 known_dimensions: Size<Option<Pixels>>,
10690 available_width: AvailableSpace,
10691 window: &mut Window,
10692 cx: &mut Context<Editor>,
10693) -> Option<Size<Pixels>> {
10694 let width = known_dimensions.width.or({
10695 if let AvailableSpace::Definite(available_width) = available_width {
10696 Some(available_width)
10697 } else {
10698 None
10699 }
10700 })?;
10701 if let Some(height) = known_dimensions.height {
10702 return Some(size(width, height));
10703 }
10704
10705 let style = editor.style.as_ref().unwrap();
10706 let font_id = window.text_system().resolve_font(&style.text.font());
10707 let font_size = style.text.font_size.to_pixels(window.rem_size());
10708 let line_height = style.text.line_height_in_pixels(window.rem_size());
10709 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10710
10711 let mut snapshot = editor.snapshot(window, cx);
10712 let gutter_dimensions = snapshot
10713 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10714 .or_else(|| {
10715 editor
10716 .offset_content
10717 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10718 })
10719 .unwrap_or_default();
10720
10721 editor.gutter_dimensions = gutter_dimensions;
10722 let text_width = width - gutter_dimensions.width;
10723 let overscroll = size(em_width, px(0.));
10724
10725 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10726 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10727 && editor.set_wrap_width(Some(editor_width), cx)
10728 {
10729 snapshot = editor.snapshot(window, cx);
10730 }
10731
10732 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10733
10734 let min_height = line_height * min_lines as f32;
10735 let content_height = scroll_height.max(min_height);
10736
10737 let final_height = if let Some(max_lines) = max_lines {
10738 let max_height = line_height * max_lines as f32;
10739 content_height.min(max_height)
10740 } else {
10741 content_height
10742 };
10743
10744 Some(size(width, final_height))
10745}
10746
10747#[cfg(test)]
10748mod tests {
10749 use super::*;
10750 use crate::{
10751 Editor, MultiBuffer, SelectionEffects,
10752 display_map::{BlockPlacement, BlockProperties},
10753 editor_tests::{init_test, update_test_language_settings},
10754 };
10755 use gpui::{TestAppContext, VisualTestContext};
10756 use language::language_settings;
10757 use log::info;
10758 use std::num::NonZeroU32;
10759 use util::test::sample_text;
10760
10761 #[gpui::test]
10762 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10763 init_test(cx, |_| {});
10764
10765 let window = cx.add_window(|window, cx| {
10766 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10767 let mut editor = Editor::new(
10768 EditorMode::AutoHeight {
10769 min_lines: 1,
10770 max_lines: None,
10771 },
10772 buffer,
10773 None,
10774 window,
10775 cx,
10776 );
10777 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10778 editor
10779 });
10780 let cx = &mut VisualTestContext::from_window(*window, cx);
10781 let editor = window.root(cx).unwrap();
10782 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10783
10784 for x in 1..=100 {
10785 let (_, state) = cx.draw(
10786 Default::default(),
10787 size(px(200. + 0.13 * x as f32), px(500.)),
10788 |_, _| EditorElement::new(&editor, style.clone()),
10789 );
10790
10791 assert!(
10792 state.position_map.scroll_max.x == 0.,
10793 "Soft wrapped editor should have no horizontal scrolling!"
10794 );
10795 }
10796 }
10797
10798 #[gpui::test]
10799 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10800 init_test(cx, |_| {});
10801
10802 let window = cx.add_window(|window, cx| {
10803 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10804 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10805 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10806 editor
10807 });
10808 let cx = &mut VisualTestContext::from_window(*window, cx);
10809 let editor = window.root(cx).unwrap();
10810 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10811
10812 for x in 1..=100 {
10813 let (_, state) = cx.draw(
10814 Default::default(),
10815 size(px(200. + 0.13 * x as f32), px(500.)),
10816 |_, _| EditorElement::new(&editor, style.clone()),
10817 );
10818
10819 assert!(
10820 state.position_map.scroll_max.x == 0.,
10821 "Soft wrapped editor should have no horizontal scrolling!"
10822 );
10823 }
10824 }
10825
10826 #[gpui::test]
10827 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10828 init_test(cx, |_| {});
10829 let window = cx.add_window(|window, cx| {
10830 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10831 Editor::new(EditorMode::full(), buffer, None, window, cx)
10832 });
10833
10834 let editor = window.root(cx).unwrap();
10835 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10836 let line_height = window
10837 .update(cx, |_, window, _| {
10838 style.text.line_height_in_pixels(window.rem_size())
10839 })
10840 .unwrap();
10841 let element = EditorElement::new(&editor, style);
10842 let snapshot = window
10843 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10844 .unwrap();
10845
10846 let layouts = cx
10847 .update_window(*window, |_, window, cx| {
10848 element.layout_line_numbers(
10849 None,
10850 GutterDimensions {
10851 left_padding: Pixels::ZERO,
10852 right_padding: Pixels::ZERO,
10853 width: px(30.0),
10854 margin: Pixels::ZERO,
10855 git_blame_entries_width: None,
10856 },
10857 line_height,
10858 gpui::Point::default(),
10859 DisplayRow(0)..DisplayRow(6),
10860 &(0..6)
10861 .map(|row| RowInfo {
10862 buffer_row: Some(row),
10863 ..Default::default()
10864 })
10865 .collect::<Vec<_>>(),
10866 &BTreeMap::default(),
10867 Some(DisplayPoint::new(DisplayRow(0), 0)),
10868 &snapshot,
10869 window,
10870 cx,
10871 )
10872 })
10873 .unwrap();
10874 assert_eq!(layouts.len(), 6);
10875
10876 let get_row_infos = |snapshot: &EditorSnapshot| {
10877 snapshot
10878 .row_infos(DisplayRow(0))
10879 .take(6)
10880 .collect::<Vec<RowInfo>>()
10881 };
10882
10883 let relative_rows = window
10884 .update(cx, |editor, window, cx| {
10885 let snapshot = editor.snapshot(window, cx);
10886 element.calculate_relative_line_numbers(
10887 &get_row_infos(&snapshot),
10888 &(DisplayRow(0)..DisplayRow(6)),
10889 Some(DisplayRow(3)),
10890 false,
10891 )
10892 })
10893 .unwrap();
10894 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10895 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10896 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10897 // current line has no relative number
10898 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10899 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10900
10901 // works if cursor is before screen
10902 let relative_rows = window
10903 .update(cx, |editor, window, cx| {
10904 let snapshot = editor.snapshot(window, cx);
10905 element.calculate_relative_line_numbers(
10906 &get_row_infos(&snapshot),
10907 &(DisplayRow(3)..DisplayRow(6)),
10908 Some(DisplayRow(1)),
10909 false,
10910 )
10911 })
10912 .unwrap();
10913 assert_eq!(relative_rows.len(), 3);
10914 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10915 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10916 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10917
10918 // works if cursor is after screen
10919 let relative_rows = window
10920 .update(cx, |editor, window, cx| {
10921 let snapshot = editor.snapshot(window, cx);
10922 element.calculate_relative_line_numbers(
10923 &get_row_infos(&snapshot),
10924 &(DisplayRow(0)..DisplayRow(3)),
10925 Some(DisplayRow(6)),
10926 false,
10927 )
10928 })
10929 .unwrap();
10930 assert_eq!(relative_rows.len(), 3);
10931 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10932 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10933 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10934 }
10935
10936 #[gpui::test]
10937 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10938 init_test(cx, |_| {});
10939 let window = cx.add_window(|window, cx| {
10940 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10941 Editor::new(EditorMode::full(), buffer, None, window, cx)
10942 });
10943
10944 update_test_language_settings(cx, |s| {
10945 s.defaults.preferred_line_length = Some(5_u32);
10946 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10947 });
10948
10949 let editor = window.root(cx).unwrap();
10950 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10951 let line_height = window
10952 .update(cx, |_, window, _| {
10953 style.text.line_height_in_pixels(window.rem_size())
10954 })
10955 .unwrap();
10956 let element = EditorElement::new(&editor, style);
10957 let snapshot = window
10958 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10959 .unwrap();
10960
10961 let layouts = cx
10962 .update_window(*window, |_, window, cx| {
10963 element.layout_line_numbers(
10964 None,
10965 GutterDimensions {
10966 left_padding: Pixels::ZERO,
10967 right_padding: Pixels::ZERO,
10968 width: px(30.0),
10969 margin: Pixels::ZERO,
10970 git_blame_entries_width: None,
10971 },
10972 line_height,
10973 gpui::Point::default(),
10974 DisplayRow(0)..DisplayRow(6),
10975 &(0..6)
10976 .map(|row| RowInfo {
10977 buffer_row: Some(row),
10978 ..Default::default()
10979 })
10980 .collect::<Vec<_>>(),
10981 &BTreeMap::default(),
10982 Some(DisplayPoint::new(DisplayRow(0), 0)),
10983 &snapshot,
10984 window,
10985 cx,
10986 )
10987 })
10988 .unwrap();
10989 assert_eq!(layouts.len(), 3);
10990
10991 let relative_rows = window
10992 .update(cx, |editor, window, cx| {
10993 let snapshot = editor.snapshot(window, cx);
10994 let start_row = DisplayRow(0);
10995 let end_row = DisplayRow(6);
10996 let row_infos = snapshot
10997 .row_infos(start_row)
10998 .take((start_row..end_row).len())
10999 .collect::<Vec<RowInfo>>();
11000
11001 element.calculate_relative_line_numbers(
11002 &row_infos,
11003 &(DisplayRow(0)..DisplayRow(6)),
11004 Some(DisplayRow(3)),
11005 true,
11006 )
11007 })
11008 .unwrap();
11009
11010 assert_eq!(relative_rows[&DisplayRow(0)], 3);
11011 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11012 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11013 // current line has no relative number
11014 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11015 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11016 }
11017
11018 #[gpui::test]
11019 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11020 init_test(cx, |_| {});
11021
11022 let window = cx.add_window(|window, cx| {
11023 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11024 Editor::new(EditorMode::full(), buffer, None, window, cx)
11025 });
11026 let cx = &mut VisualTestContext::from_window(*window, cx);
11027 let editor = window.root(cx).unwrap();
11028 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11029
11030 window
11031 .update(cx, |editor, window, cx| {
11032 editor.cursor_shape = CursorShape::Block;
11033 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11034 s.select_ranges([
11035 Point::new(0, 0)..Point::new(1, 0),
11036 Point::new(3, 2)..Point::new(3, 3),
11037 Point::new(5, 6)..Point::new(6, 0),
11038 ]);
11039 });
11040 })
11041 .unwrap();
11042
11043 let (_, state) = cx.draw(
11044 point(px(500.), px(500.)),
11045 size(px(500.), px(500.)),
11046 |_, _| EditorElement::new(&editor, style),
11047 );
11048
11049 assert_eq!(state.selections.len(), 1);
11050 let local_selections = &state.selections[0].1;
11051 assert_eq!(local_selections.len(), 3);
11052 // moves cursor back one line
11053 assert_eq!(
11054 local_selections[0].head,
11055 DisplayPoint::new(DisplayRow(0), 6)
11056 );
11057 assert_eq!(
11058 local_selections[0].range,
11059 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11060 );
11061
11062 // moves cursor back one column
11063 assert_eq!(
11064 local_selections[1].range,
11065 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11066 );
11067 assert_eq!(
11068 local_selections[1].head,
11069 DisplayPoint::new(DisplayRow(3), 2)
11070 );
11071
11072 // leaves cursor on the max point
11073 assert_eq!(
11074 local_selections[2].range,
11075 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11076 );
11077 assert_eq!(
11078 local_selections[2].head,
11079 DisplayPoint::new(DisplayRow(6), 0)
11080 );
11081
11082 // active lines does not include 1 (even though the range of the selection does)
11083 assert_eq!(
11084 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11085 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11086 );
11087 }
11088
11089 #[gpui::test]
11090 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11091 init_test(cx, |_| {});
11092
11093 let window = cx.add_window(|window, cx| {
11094 let buffer = MultiBuffer::build_simple("", cx);
11095 Editor::new(EditorMode::full(), buffer, None, window, cx)
11096 });
11097 let cx = &mut VisualTestContext::from_window(*window, cx);
11098 let editor = window.root(cx).unwrap();
11099 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11100 window
11101 .update(cx, |editor, window, cx| {
11102 editor.set_placeholder_text("hello", window, cx);
11103 editor.insert_blocks(
11104 [BlockProperties {
11105 style: BlockStyle::Fixed,
11106 placement: BlockPlacement::Above(Anchor::min()),
11107 height: Some(3),
11108 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11109 priority: 0,
11110 }],
11111 None,
11112 cx,
11113 );
11114
11115 // Blur the editor so that it displays placeholder text.
11116 window.blur();
11117 })
11118 .unwrap();
11119
11120 let (_, state) = cx.draw(
11121 point(px(500.), px(500.)),
11122 size(px(500.), px(500.)),
11123 |_, _| EditorElement::new(&editor, style),
11124 );
11125 assert_eq!(state.position_map.line_layouts.len(), 4);
11126 assert_eq!(state.line_numbers.len(), 1);
11127 assert_eq!(
11128 state
11129 .line_numbers
11130 .get(&MultiBufferRow(0))
11131 .map(|line_number| line_number
11132 .segments
11133 .first()
11134 .unwrap()
11135 .shaped_line
11136 .text
11137 .as_ref()),
11138 Some("1")
11139 );
11140 }
11141
11142 #[gpui::test]
11143 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11144 const TAB_SIZE: u32 = 4;
11145
11146 let input_text = "\t \t|\t| a b";
11147 let expected_invisibles = vec![
11148 Invisible::Tab {
11149 line_start_offset: 0,
11150 line_end_offset: TAB_SIZE as usize,
11151 },
11152 Invisible::Whitespace {
11153 line_offset: TAB_SIZE as usize,
11154 },
11155 Invisible::Tab {
11156 line_start_offset: TAB_SIZE as usize + 1,
11157 line_end_offset: TAB_SIZE as usize * 2,
11158 },
11159 Invisible::Tab {
11160 line_start_offset: TAB_SIZE as usize * 2 + 1,
11161 line_end_offset: TAB_SIZE as usize * 3,
11162 },
11163 Invisible::Whitespace {
11164 line_offset: TAB_SIZE as usize * 3 + 1,
11165 },
11166 Invisible::Whitespace {
11167 line_offset: TAB_SIZE as usize * 3 + 3,
11168 },
11169 ];
11170 assert_eq!(
11171 expected_invisibles.len(),
11172 input_text
11173 .chars()
11174 .filter(|initial_char| initial_char.is_whitespace())
11175 .count(),
11176 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11177 );
11178
11179 for show_line_numbers in [true, false] {
11180 init_test(cx, |s| {
11181 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11182 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11183 });
11184
11185 let actual_invisibles = collect_invisibles_from_new_editor(
11186 cx,
11187 EditorMode::full(),
11188 input_text,
11189 px(500.0),
11190 show_line_numbers,
11191 );
11192
11193 assert_eq!(expected_invisibles, actual_invisibles);
11194 }
11195 }
11196
11197 #[gpui::test]
11198 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11199 init_test(cx, |s| {
11200 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11201 s.defaults.tab_size = NonZeroU32::new(4);
11202 });
11203
11204 for editor_mode_without_invisibles in [
11205 EditorMode::SingleLine,
11206 EditorMode::AutoHeight {
11207 min_lines: 1,
11208 max_lines: Some(100),
11209 },
11210 ] {
11211 for show_line_numbers in [true, false] {
11212 let invisibles = collect_invisibles_from_new_editor(
11213 cx,
11214 editor_mode_without_invisibles.clone(),
11215 "\t\t\t| | a b",
11216 px(500.0),
11217 show_line_numbers,
11218 );
11219 assert!(
11220 invisibles.is_empty(),
11221 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11222 );
11223 }
11224 }
11225 }
11226
11227 #[gpui::test]
11228 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11229 let tab_size = 4;
11230 let input_text = "a\tbcd ".repeat(9);
11231 let repeated_invisibles = [
11232 Invisible::Tab {
11233 line_start_offset: 1,
11234 line_end_offset: tab_size as usize,
11235 },
11236 Invisible::Whitespace {
11237 line_offset: tab_size as usize + 3,
11238 },
11239 Invisible::Whitespace {
11240 line_offset: tab_size as usize + 4,
11241 },
11242 Invisible::Whitespace {
11243 line_offset: tab_size as usize + 5,
11244 },
11245 Invisible::Whitespace {
11246 line_offset: tab_size as usize + 6,
11247 },
11248 Invisible::Whitespace {
11249 line_offset: tab_size as usize + 7,
11250 },
11251 ];
11252 let expected_invisibles = std::iter::once(repeated_invisibles)
11253 .cycle()
11254 .take(9)
11255 .flatten()
11256 .collect::<Vec<_>>();
11257 assert_eq!(
11258 expected_invisibles.len(),
11259 input_text
11260 .chars()
11261 .filter(|initial_char| initial_char.is_whitespace())
11262 .count(),
11263 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11264 );
11265 info!("Expected invisibles: {expected_invisibles:?}");
11266
11267 init_test(cx, |_| {});
11268
11269 // Put the same string with repeating whitespace pattern into editors of various size,
11270 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11271 let resize_step = 10.0;
11272 let mut editor_width = 200.0;
11273 while editor_width <= 1000.0 {
11274 for show_line_numbers in [true, false] {
11275 update_test_language_settings(cx, |s| {
11276 s.defaults.tab_size = NonZeroU32::new(tab_size);
11277 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11278 s.defaults.preferred_line_length = Some(editor_width as u32);
11279 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11280 });
11281
11282 let actual_invisibles = collect_invisibles_from_new_editor(
11283 cx,
11284 EditorMode::full(),
11285 &input_text,
11286 px(editor_width),
11287 show_line_numbers,
11288 );
11289
11290 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11291 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11292 let mut i = 0;
11293 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11294 i = actual_index;
11295 match expected_invisibles.get(i) {
11296 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11297 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11298 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11299 _ => {
11300 panic!(
11301 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11302 )
11303 }
11304 },
11305 None => {
11306 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11307 }
11308 }
11309 }
11310 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11311 assert!(
11312 missing_expected_invisibles.is_empty(),
11313 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11314 );
11315
11316 editor_width += resize_step;
11317 }
11318 }
11319 }
11320
11321 fn collect_invisibles_from_new_editor(
11322 cx: &mut TestAppContext,
11323 editor_mode: EditorMode,
11324 input_text: &str,
11325 editor_width: Pixels,
11326 show_line_numbers: bool,
11327 ) -> Vec<Invisible> {
11328 info!(
11329 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11330 f32::from(editor_width)
11331 );
11332 let window = cx.add_window(|window, cx| {
11333 let buffer = MultiBuffer::build_simple(input_text, cx);
11334 Editor::new(editor_mode, buffer, None, window, cx)
11335 });
11336 let cx = &mut VisualTestContext::from_window(*window, cx);
11337 let editor = window.root(cx).unwrap();
11338
11339 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11340 window
11341 .update(cx, |editor, _, cx| {
11342 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11343 editor.set_wrap_width(Some(editor_width), cx);
11344 editor.set_show_line_numbers(show_line_numbers, cx);
11345 })
11346 .unwrap();
11347 let (_, state) = cx.draw(
11348 point(px(500.), px(500.)),
11349 size(px(500.), px(500.)),
11350 |_, _| EditorElement::new(&editor, style),
11351 );
11352 state
11353 .position_map
11354 .line_layouts
11355 .iter()
11356 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11357 .cloned()
11358 .collect()
11359 }
11360
11361 #[gpui::test]
11362 fn test_merge_overlapping_ranges() {
11363 let base_bg = Hsla::white();
11364 let color1 = Hsla {
11365 h: 0.0,
11366 s: 0.5,
11367 l: 0.5,
11368 a: 0.5,
11369 };
11370 let color2 = Hsla {
11371 h: 120.0,
11372 s: 0.5,
11373 l: 0.5,
11374 a: 0.5,
11375 };
11376
11377 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11378 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11379 v.iter()
11380 .map(|(r, _)| (r.start.column(), r.end.column()))
11381 .collect()
11382 };
11383
11384 // Test overlapping ranges blend colors
11385 let overlapping = vec![
11386 (display_point(5)..display_point(15), color1),
11387 (display_point(10)..display_point(20), color2),
11388 ];
11389 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11390 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11391
11392 // Test middle segment should have blended color
11393 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11394 assert_eq!(result[1].1, blended);
11395
11396 // Test adjacent same-color ranges merge
11397 let adjacent_same = vec![
11398 (display_point(5)..display_point(10), color1),
11399 (display_point(10)..display_point(15), color1),
11400 ];
11401 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11402 assert_eq!(cols(&result), vec![(5, 15)]);
11403
11404 // Test contained range splits
11405 let contained = vec![
11406 (display_point(5)..display_point(20), color1),
11407 (display_point(10)..display_point(15), color2),
11408 ];
11409 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11410 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11411
11412 // Test multiple overlaps split at every boundary
11413 let color3 = Hsla {
11414 h: 240.0,
11415 s: 0.5,
11416 l: 0.5,
11417 a: 0.5,
11418 };
11419 let complex = vec![
11420 (display_point(5)..display_point(12), color1),
11421 (display_point(8)..display_point(16), color2),
11422 (display_point(10)..display_point(14), color3),
11423 ];
11424 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11425 assert_eq!(
11426 cols(&result),
11427 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11428 );
11429 }
11430
11431 #[gpui::test]
11432 fn test_bg_segments_per_row() {
11433 let base_bg = Hsla::white();
11434
11435 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11436 {
11437 let selection_color = Hsla {
11438 h: 200.0,
11439 s: 0.5,
11440 l: 0.5,
11441 a: 0.5,
11442 };
11443 let player_color = PlayerColor {
11444 cursor: selection_color,
11445 background: selection_color,
11446 selection: selection_color,
11447 };
11448
11449 let spanning_selection = SelectionLayout {
11450 head: DisplayPoint::new(DisplayRow(3), 7),
11451 cursor_shape: CursorShape::Bar,
11452 is_newest: true,
11453 is_local: true,
11454 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11455 active_rows: DisplayRow(1)..DisplayRow(4),
11456 user_name: None,
11457 };
11458
11459 let selections = vec![(player_color, vec![spanning_selection])];
11460 let result = EditorElement::bg_segments_per_row(
11461 DisplayRow(0)..DisplayRow(5),
11462 &selections,
11463 &[],
11464 base_bg,
11465 );
11466
11467 assert_eq!(result.len(), 5);
11468 assert!(result[0].is_empty());
11469 assert_eq!(result[1].len(), 1);
11470 assert_eq!(result[2].len(), 1);
11471 assert_eq!(result[3].len(), 1);
11472 assert!(result[4].is_empty());
11473
11474 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11475 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11476 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11477 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11478 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11479 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11480 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11481 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11482 }
11483
11484 // Case B: selection ends exactly at the start of row 3, excluding row 3
11485 {
11486 let selection_color = Hsla {
11487 h: 120.0,
11488 s: 0.5,
11489 l: 0.5,
11490 a: 0.5,
11491 };
11492 let player_color = PlayerColor {
11493 cursor: selection_color,
11494 background: selection_color,
11495 selection: selection_color,
11496 };
11497
11498 let selection = SelectionLayout {
11499 head: DisplayPoint::new(DisplayRow(2), 0),
11500 cursor_shape: CursorShape::Bar,
11501 is_newest: true,
11502 is_local: true,
11503 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11504 active_rows: DisplayRow(1)..DisplayRow(3),
11505 user_name: None,
11506 };
11507
11508 let selections = vec![(player_color, vec![selection])];
11509 let result = EditorElement::bg_segments_per_row(
11510 DisplayRow(0)..DisplayRow(4),
11511 &selections,
11512 &[],
11513 base_bg,
11514 );
11515
11516 assert_eq!(result.len(), 4);
11517 assert!(result[0].is_empty());
11518 assert_eq!(result[1].len(), 1);
11519 assert_eq!(result[2].len(), 1);
11520 assert!(result[3].is_empty());
11521
11522 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11523 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11524 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11525 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11526 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11527 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11528 }
11529 }
11530
11531 #[cfg(test)]
11532 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11533 TextRun {
11534 len,
11535 font: gpui::font(".SystemUIFont"),
11536 color,
11537 background_color: None,
11538 underline: None,
11539 strikethrough: None,
11540 }
11541 }
11542
11543 #[gpui::test]
11544 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11545 init_test(cx, |_| {});
11546
11547 let dx = |start: u32, end: u32| {
11548 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11549 };
11550
11551 let text_color = Hsla {
11552 h: 210.0,
11553 s: 0.1,
11554 l: 0.4,
11555 a: 1.0,
11556 };
11557 let bg_1 = Hsla {
11558 h: 30.0,
11559 s: 0.6,
11560 l: 0.8,
11561 a: 1.0,
11562 };
11563 let bg_2 = Hsla {
11564 h: 200.0,
11565 s: 0.6,
11566 l: 0.2,
11567 a: 1.0,
11568 };
11569 let min_contrast = 45.0;
11570 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11571 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11572
11573 // Case A: single run; disjoint segments inside the run
11574 {
11575 let runs = vec![generate_test_run(20, text_color)];
11576 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11577 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11578 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11579 assert_eq!(
11580 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11581 vec![5, 5, 2, 4, 4]
11582 );
11583 assert_eq!(out[0].color, text_color);
11584 assert_eq!(out[1].color, adjusted_bg1);
11585 assert_eq!(out[2].color, text_color);
11586 assert_eq!(out[3].color, adjusted_bg2);
11587 assert_eq!(out[4].color, text_color);
11588 }
11589
11590 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11591 {
11592 let runs = vec![
11593 generate_test_run(8, text_color),
11594 generate_test_run(7, text_color),
11595 ];
11596 let segs = vec![(dx(6, u32::MAX), bg_1)];
11597 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11598 // Expected slices across runs: [0,6) [6,8) | [0,7)
11599 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11600 assert_eq!(out[0].color, text_color);
11601 assert_eq!(out[1].color, adjusted_bg1);
11602 assert_eq!(out[2].color, adjusted_bg1);
11603 }
11604
11605 // Case C: multi-byte characters
11606 {
11607 // for text: "Hello π δΈη!"
11608 let runs = vec![
11609 generate_test_run(5, text_color), // "Hello"
11610 generate_test_run(6, text_color), // " π "
11611 generate_test_run(6, text_color), // "δΈη"
11612 generate_test_run(1, text_color), // "!"
11613 ];
11614 // selecting "π δΈ"
11615 let segs = vec![(dx(6, 14), bg_1)];
11616 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11617 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11618 assert_eq!(
11619 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11620 vec![5, 1, 5, 3, 3, 1]
11621 );
11622 assert_eq!(out[0].color, text_color); // "Hello"
11623 assert_eq!(out[2].color, adjusted_bg1); // "π "
11624 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11625 assert_eq!(out[4].color, text_color); // "η"
11626 assert_eq!(out[5].color, text_color); // "!"
11627 }
11628
11629 // Case D: split multiple consecutive text runs with segments
11630 {
11631 let segs = vec![
11632 (dx(2, 4), bg_1), // selecting "cd"
11633 (dx(4, 8), bg_2), // selecting "efgh"
11634 (dx(9, 11), bg_1), // selecting "jk"
11635 (dx(12, 16), bg_2), // selecting "mnop"
11636 (dx(18, 19), bg_1), // selecting "s"
11637 ];
11638
11639 // for text: "abcdef"
11640 let runs = vec![
11641 generate_test_run(2, text_color), // ab
11642 generate_test_run(4, text_color), // cdef
11643 ];
11644 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11645 // new splits "ab", "cd", "ef"
11646 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11647 assert_eq!(out[0].color, text_color);
11648 assert_eq!(out[1].color, adjusted_bg1);
11649 assert_eq!(out[2].color, adjusted_bg2);
11650
11651 // for text: "ghijklmn"
11652 let runs = vec![
11653 generate_test_run(3, text_color), // ghi
11654 generate_test_run(2, text_color), // jk
11655 generate_test_run(3, text_color), // lmn
11656 ];
11657 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11658 // new splits "gh", "i", "jk", "l", "mn"
11659 assert_eq!(
11660 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11661 vec![2, 1, 2, 1, 2]
11662 );
11663 assert_eq!(out[0].color, adjusted_bg2);
11664 assert_eq!(out[1].color, text_color);
11665 assert_eq!(out[2].color, adjusted_bg1);
11666 assert_eq!(out[3].color, text_color);
11667 assert_eq!(out[4].color, adjusted_bg2);
11668
11669 // for text: "opqrs"
11670 let runs = vec![
11671 generate_test_run(1, text_color), // o
11672 generate_test_run(4, text_color), // pqrs
11673 ];
11674 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11675 // new splits "o", "p", "qr", "s"
11676 assert_eq!(
11677 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11678 vec![1, 1, 2, 1]
11679 );
11680 assert_eq!(out[0].color, adjusted_bg2);
11681 assert_eq!(out[1].color, adjusted_bg2);
11682 assert_eq!(out[2].color, text_color);
11683 assert_eq!(out[3].color, adjusted_bg1);
11684 }
11685 }
11686}