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, SizingBehavior, SoftWrap,
12 StickyHeaderExcerpt, ToPoint, 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::next_snippet_tabstop);
236 register_action(editor, window, Editor::previous_snippet_tabstop);
237 register_action(editor, window, Editor::backtab);
238 register_action(editor, window, Editor::indent);
239 register_action(editor, window, Editor::outdent);
240 register_action(editor, window, Editor::autoindent);
241 register_action(editor, window, Editor::delete_line);
242 register_action(editor, window, Editor::join_lines);
243 register_action(editor, window, Editor::sort_lines_by_length);
244 register_action(editor, window, Editor::sort_lines_case_sensitive);
245 register_action(editor, window, Editor::sort_lines_case_insensitive);
246 register_action(editor, window, Editor::reverse_lines);
247 register_action(editor, window, Editor::shuffle_lines);
248 register_action(editor, window, Editor::convert_indentation_to_spaces);
249 register_action(editor, window, Editor::convert_indentation_to_tabs);
250 register_action(editor, window, Editor::convert_to_upper_case);
251 register_action(editor, window, Editor::convert_to_lower_case);
252 register_action(editor, window, Editor::convert_to_title_case);
253 register_action(editor, window, Editor::convert_to_snake_case);
254 register_action(editor, window, Editor::convert_to_kebab_case);
255 register_action(editor, window, Editor::convert_to_upper_camel_case);
256 register_action(editor, window, Editor::convert_to_lower_camel_case);
257 register_action(editor, window, Editor::convert_to_opposite_case);
258 register_action(editor, window, Editor::convert_to_sentence_case);
259 register_action(editor, window, Editor::toggle_case);
260 register_action(editor, window, Editor::convert_to_rot13);
261 register_action(editor, window, Editor::convert_to_rot47);
262 register_action(editor, window, Editor::delete_to_previous_word_start);
263 register_action(editor, window, Editor::delete_to_previous_subword_start);
264 register_action(editor, window, Editor::delete_to_next_word_end);
265 register_action(editor, window, Editor::delete_to_next_subword_end);
266 register_action(editor, window, Editor::delete_to_beginning_of_line);
267 register_action(editor, window, Editor::delete_to_end_of_line);
268 register_action(editor, window, Editor::cut_to_end_of_line);
269 register_action(editor, window, Editor::duplicate_line_up);
270 register_action(editor, window, Editor::duplicate_line_down);
271 register_action(editor, window, Editor::duplicate_selection);
272 register_action(editor, window, Editor::move_line_up);
273 register_action(editor, window, Editor::move_line_down);
274 register_action(editor, window, Editor::transpose);
275 register_action(editor, window, Editor::rewrap);
276 register_action(editor, window, Editor::cut);
277 register_action(editor, window, Editor::kill_ring_cut);
278 register_action(editor, window, Editor::kill_ring_yank);
279 register_action(editor, window, Editor::copy);
280 register_action(editor, window, Editor::copy_and_trim);
281 register_action(editor, window, Editor::diff_clipboard_with_selection);
282 register_action(editor, window, Editor::paste);
283 register_action(editor, window, Editor::undo);
284 register_action(editor, window, Editor::redo);
285 register_action(editor, window, Editor::move_page_up);
286 register_action(editor, window, Editor::move_page_down);
287 register_action(editor, window, Editor::next_screen);
288 register_action(editor, window, Editor::scroll_cursor_top);
289 register_action(editor, window, Editor::scroll_cursor_center);
290 register_action(editor, window, Editor::scroll_cursor_bottom);
291 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
292 register_action(editor, window, |editor, _: &LineDown, window, cx| {
293 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
294 });
295 register_action(editor, window, |editor, _: &LineUp, window, cx| {
296 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
297 });
298 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
299 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
300 });
301 register_action(
302 editor,
303 window,
304 |editor, HandleInput(text): &HandleInput, window, cx| {
305 if text.is_empty() {
306 return;
307 }
308 editor.handle_input(text, window, cx);
309 },
310 );
311 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
312 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
313 });
314 register_action(editor, window, |editor, _: &PageDown, window, cx| {
315 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
316 });
317 register_action(editor, window, |editor, _: &PageUp, window, cx| {
318 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
319 });
320 register_action(editor, window, Editor::move_to_previous_word_start);
321 register_action(editor, window, Editor::move_to_previous_subword_start);
322 register_action(editor, window, Editor::move_to_next_word_end);
323 register_action(editor, window, Editor::move_to_next_subword_end);
324 register_action(editor, window, Editor::move_to_beginning_of_line);
325 register_action(editor, window, Editor::move_to_end_of_line);
326 register_action(editor, window, Editor::move_to_start_of_paragraph);
327 register_action(editor, window, Editor::move_to_end_of_paragraph);
328 register_action(editor, window, Editor::move_to_beginning);
329 register_action(editor, window, Editor::move_to_end);
330 register_action(editor, window, Editor::move_to_start_of_excerpt);
331 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
332 register_action(editor, window, Editor::move_to_end_of_excerpt);
333 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
334 register_action(editor, window, Editor::select_up);
335 register_action(editor, window, Editor::select_down);
336 register_action(editor, window, Editor::select_left);
337 register_action(editor, window, Editor::select_right);
338 register_action(editor, window, Editor::select_to_previous_word_start);
339 register_action(editor, window, Editor::select_to_previous_subword_start);
340 register_action(editor, window, Editor::select_to_next_word_end);
341 register_action(editor, window, Editor::select_to_next_subword_end);
342 register_action(editor, window, Editor::select_to_beginning_of_line);
343 register_action(editor, window, Editor::select_to_end_of_line);
344 register_action(editor, window, Editor::select_to_start_of_paragraph);
345 register_action(editor, window, Editor::select_to_end_of_paragraph);
346 register_action(editor, window, Editor::select_to_start_of_excerpt);
347 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
348 register_action(editor, window, Editor::select_to_end_of_excerpt);
349 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
350 register_action(editor, window, Editor::select_to_beginning);
351 register_action(editor, window, Editor::select_to_end);
352 register_action(editor, window, Editor::select_all);
353 register_action(editor, window, |editor, action, window, cx| {
354 editor.select_all_matches(action, window, cx).log_err();
355 });
356 register_action(editor, window, Editor::select_line);
357 register_action(editor, window, Editor::split_selection_into_lines);
358 register_action(editor, window, Editor::add_selection_above);
359 register_action(editor, window, Editor::add_selection_below);
360 register_action(editor, window, |editor, action, window, cx| {
361 editor.select_next(action, window, cx).log_err();
362 });
363 register_action(editor, window, |editor, action, window, cx| {
364 editor.select_previous(action, window, cx).log_err();
365 });
366 register_action(editor, window, |editor, action, window, cx| {
367 editor.find_next_match(action, window, cx).log_err();
368 });
369 register_action(editor, window, |editor, action, window, cx| {
370 editor.find_previous_match(action, window, cx).log_err();
371 });
372 register_action(editor, window, Editor::toggle_comments);
373 register_action(editor, window, Editor::select_larger_syntax_node);
374 register_action(editor, window, Editor::select_smaller_syntax_node);
375 register_action(editor, window, Editor::select_next_syntax_node);
376 register_action(editor, window, Editor::select_prev_syntax_node);
377 register_action(editor, window, Editor::unwrap_syntax_node);
378 register_action(editor, window, Editor::select_enclosing_symbol);
379 register_action(editor, window, Editor::move_to_enclosing_bracket);
380 register_action(editor, window, Editor::undo_selection);
381 register_action(editor, window, Editor::redo_selection);
382 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
383 register_action(editor, window, Editor::expand_excerpts);
384 register_action(editor, window, Editor::expand_excerpts_up);
385 register_action(editor, window, Editor::expand_excerpts_down);
386 }
387 register_action(editor, window, Editor::go_to_diagnostic);
388 register_action(editor, window, Editor::go_to_prev_diagnostic);
389 register_action(editor, window, Editor::go_to_next_hunk);
390 register_action(editor, window, Editor::go_to_prev_hunk);
391 register_action(editor, window, Editor::go_to_next_document_highlight);
392 register_action(editor, window, Editor::go_to_prev_document_highlight);
393 register_action(editor, window, |editor, action, window, cx| {
394 editor
395 .go_to_definition(action, window, cx)
396 .detach_and_log_err(cx);
397 });
398 register_action(editor, window, |editor, action, window, cx| {
399 editor
400 .go_to_definition_split(action, window, cx)
401 .detach_and_log_err(cx);
402 });
403 register_action(editor, window, |editor, action, window, cx| {
404 editor
405 .go_to_declaration(action, window, cx)
406 .detach_and_log_err(cx);
407 });
408 register_action(editor, window, |editor, action, window, cx| {
409 editor
410 .go_to_declaration_split(action, window, cx)
411 .detach_and_log_err(cx);
412 });
413 register_action(editor, window, |editor, action, window, cx| {
414 editor
415 .go_to_implementation(action, window, cx)
416 .detach_and_log_err(cx);
417 });
418 register_action(editor, window, |editor, action, window, cx| {
419 editor
420 .go_to_implementation_split(action, window, cx)
421 .detach_and_log_err(cx);
422 });
423 register_action(editor, window, |editor, action, window, cx| {
424 editor
425 .go_to_type_definition(action, window, cx)
426 .detach_and_log_err(cx);
427 });
428 register_action(editor, window, |editor, action, window, cx| {
429 editor
430 .go_to_type_definition_split(action, window, cx)
431 .detach_and_log_err(cx);
432 });
433 register_action(editor, window, Editor::open_url);
434 register_action(editor, window, Editor::open_selected_filename);
435 register_action(editor, window, Editor::fold);
436 register_action(editor, window, Editor::fold_at_level);
437 register_action(editor, window, Editor::fold_at_level_1);
438 register_action(editor, window, Editor::fold_at_level_2);
439 register_action(editor, window, Editor::fold_at_level_3);
440 register_action(editor, window, Editor::fold_at_level_4);
441 register_action(editor, window, Editor::fold_at_level_5);
442 register_action(editor, window, Editor::fold_at_level_6);
443 register_action(editor, window, Editor::fold_at_level_7);
444 register_action(editor, window, Editor::fold_at_level_8);
445 register_action(editor, window, Editor::fold_at_level_9);
446 register_action(editor, window, Editor::fold_all);
447 register_action(editor, window, Editor::fold_function_bodies);
448 register_action(editor, window, Editor::fold_recursive);
449 register_action(editor, window, Editor::toggle_fold);
450 register_action(editor, window, Editor::toggle_fold_recursive);
451 register_action(editor, window, Editor::toggle_fold_all);
452 register_action(editor, window, Editor::unfold_lines);
453 register_action(editor, window, Editor::unfold_recursive);
454 register_action(editor, window, Editor::unfold_all);
455 register_action(editor, window, Editor::fold_selected_ranges);
456 register_action(editor, window, Editor::set_mark);
457 register_action(editor, window, Editor::swap_selection_ends);
458 register_action(editor, window, Editor::show_completions);
459 register_action(editor, window, Editor::show_word_completions);
460 register_action(editor, window, Editor::toggle_code_actions);
461 register_action(editor, window, Editor::open_excerpts);
462 register_action(editor, window, Editor::open_excerpts_in_split);
463 register_action(editor, window, Editor::toggle_soft_wrap);
464 register_action(editor, window, Editor::toggle_tab_bar);
465 register_action(editor, window, Editor::toggle_line_numbers);
466 register_action(editor, window, Editor::toggle_relative_line_numbers);
467 register_action(editor, window, Editor::toggle_indent_guides);
468 register_action(editor, window, Editor::toggle_inlay_hints);
469 register_action(editor, window, Editor::toggle_edit_predictions);
470 if editor.read(cx).diagnostics_enabled() {
471 register_action(editor, window, Editor::toggle_diagnostics);
472 }
473 if editor.read(cx).inline_diagnostics_enabled() {
474 register_action(editor, window, Editor::toggle_inline_diagnostics);
475 }
476 if editor.read(cx).supports_minimap(cx) {
477 register_action(editor, window, Editor::toggle_minimap);
478 }
479 register_action(editor, window, hover_popover::hover);
480 register_action(editor, window, Editor::reveal_in_finder);
481 register_action(editor, window, Editor::copy_path);
482 register_action(editor, window, Editor::copy_relative_path);
483 register_action(editor, window, Editor::copy_file_name);
484 register_action(editor, window, Editor::copy_file_name_without_extension);
485 register_action(editor, window, Editor::copy_highlight_json);
486 register_action(editor, window, Editor::copy_permalink_to_line);
487 register_action(editor, window, Editor::open_permalink_to_line);
488 register_action(editor, window, Editor::copy_file_location);
489 register_action(editor, window, Editor::toggle_git_blame);
490 register_action(editor, window, Editor::toggle_git_blame_inline);
491 register_action(editor, window, Editor::open_git_blame_commit);
492 register_action(editor, window, Editor::toggle_selected_diff_hunks);
493 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
494 register_action(editor, window, Editor::stage_and_next);
495 register_action(editor, window, Editor::unstage_and_next);
496 register_action(editor, window, Editor::expand_all_diff_hunks);
497 register_action(editor, window, Editor::collapse_all_diff_hunks);
498 register_action(editor, window, Editor::go_to_previous_change);
499 register_action(editor, window, Editor::go_to_next_change);
500 register_action(editor, window, Editor::go_to_prev_reference);
501 register_action(editor, window, Editor::go_to_next_reference);
502
503 register_action(editor, window, |editor, action, window, cx| {
504 if let Some(task) = editor.format(action, window, cx) {
505 task.detach_and_notify_err(window, cx);
506 } else {
507 cx.propagate();
508 }
509 });
510 register_action(editor, window, |editor, action, window, cx| {
511 if let Some(task) = editor.format_selections(action, window, cx) {
512 task.detach_and_notify_err(window, cx);
513 } else {
514 cx.propagate();
515 }
516 });
517 register_action(editor, window, |editor, action, window, cx| {
518 if let Some(task) = editor.organize_imports(action, window, cx) {
519 task.detach_and_notify_err(window, cx);
520 } else {
521 cx.propagate();
522 }
523 });
524 register_action(editor, window, Editor::restart_language_server);
525 register_action(editor, window, Editor::stop_language_server);
526 register_action(editor, window, Editor::show_character_palette);
527 register_action(editor, window, |editor, action, window, cx| {
528 if let Some(task) = editor.confirm_completion(action, window, cx) {
529 task.detach_and_notify_err(window, cx);
530 } else {
531 cx.propagate();
532 }
533 });
534 register_action(editor, window, |editor, action, window, cx| {
535 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
536 task.detach_and_notify_err(window, cx);
537 } else {
538 cx.propagate();
539 }
540 });
541 register_action(editor, window, |editor, action, window, cx| {
542 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
543 task.detach_and_notify_err(window, cx);
544 } else {
545 cx.propagate();
546 }
547 });
548 register_action(editor, window, |editor, action, window, cx| {
549 if let Some(task) = editor.compose_completion(action, window, cx) {
550 task.detach_and_notify_err(window, cx);
551 } else {
552 cx.propagate();
553 }
554 });
555 register_action(editor, window, |editor, action, window, cx| {
556 if let Some(task) = editor.confirm_code_action(action, window, cx) {
557 task.detach_and_notify_err(window, cx);
558 } else {
559 cx.propagate();
560 }
561 });
562 register_action(editor, window, |editor, action, window, cx| {
563 if let Some(task) = editor.rename(action, window, cx) {
564 task.detach_and_notify_err(window, cx);
565 } else {
566 cx.propagate();
567 }
568 });
569 register_action(editor, window, |editor, action, window, cx| {
570 if let Some(task) = editor.confirm_rename(action, window, cx) {
571 task.detach_and_notify_err(window, cx);
572 } else {
573 cx.propagate();
574 }
575 });
576 register_action(editor, window, |editor, action, window, cx| {
577 if let Some(task) = editor.find_all_references(action, window, cx) {
578 task.detach_and_log_err(cx);
579 } else {
580 cx.propagate();
581 }
582 });
583 register_action(editor, window, Editor::show_signature_help);
584 register_action(editor, window, Editor::signature_help_prev);
585 register_action(editor, window, Editor::signature_help_next);
586 register_action(editor, window, Editor::next_edit_prediction);
587 register_action(editor, window, Editor::previous_edit_prediction);
588 register_action(editor, window, Editor::show_edit_prediction);
589 register_action(editor, window, Editor::context_menu_first);
590 register_action(editor, window, Editor::context_menu_prev);
591 register_action(editor, window, Editor::context_menu_next);
592 register_action(editor, window, Editor::context_menu_last);
593 register_action(editor, window, Editor::display_cursor_names);
594 register_action(editor, window, Editor::unique_lines_case_insensitive);
595 register_action(editor, window, Editor::unique_lines_case_sensitive);
596 register_action(editor, window, Editor::accept_partial_edit_prediction);
597 register_action(editor, window, Editor::accept_edit_prediction);
598 register_action(editor, window, Editor::restore_file);
599 register_action(editor, window, Editor::git_restore);
600 register_action(editor, window, Editor::apply_all_diff_hunks);
601 register_action(editor, window, Editor::apply_selected_diff_hunks);
602 register_action(editor, window, Editor::open_active_item_in_terminal);
603 register_action(editor, window, Editor::reload_file);
604 register_action(editor, window, Editor::spawn_nearest_task);
605 register_action(editor, window, Editor::insert_uuid_v4);
606 register_action(editor, window, Editor::insert_uuid_v7);
607 register_action(editor, window, Editor::open_selections_in_multibuffer);
608 register_action(editor, window, Editor::toggle_breakpoint);
609 register_action(editor, window, Editor::edit_log_breakpoint);
610 register_action(editor, window, Editor::enable_breakpoint);
611 register_action(editor, window, Editor::disable_breakpoint);
612 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
613 register_action(editor, window, Editor::wrap_selections_in_tag);
614 }
615 }
616
617 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
618 let position_map = layout.position_map.clone();
619 window.on_key_event({
620 let editor = self.editor.clone();
621 move |event: &ModifiersChangedEvent, phase, window, cx| {
622 if phase != DispatchPhase::Bubble {
623 return;
624 }
625 editor.update(cx, |editor, cx| {
626 let inlay_hint_settings = inlay_hint_settings(
627 editor.selections.newest_anchor().head(),
628 &editor.buffer.read(cx).snapshot(cx),
629 cx,
630 );
631
632 if let Some(inlay_modifiers) = inlay_hint_settings
633 .toggle_on_modifiers_press
634 .as_ref()
635 .filter(|modifiers| modifiers.modified())
636 {
637 editor.refresh_inlay_hints(
638 InlayHintRefreshReason::ModifiersChanged(
639 inlay_modifiers == &event.modifiers,
640 ),
641 cx,
642 );
643 }
644
645 if editor.hover_state.focused(window, cx) {
646 return;
647 }
648
649 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
650 })
651 }
652 });
653 }
654
655 fn mouse_left_down(
656 editor: &mut Editor,
657 event: &MouseDownEvent,
658 position_map: &PositionMap,
659 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
660 window: &mut Window,
661 cx: &mut Context<Editor>,
662 ) {
663 if window.default_prevented() {
664 return;
665 }
666
667 let text_hitbox = &position_map.text_hitbox;
668 let gutter_hitbox = &position_map.gutter_hitbox;
669 let point_for_position = position_map.point_for_position(event.position);
670 let mut click_count = event.click_count;
671 let mut modifiers = event.modifiers;
672
673 if let Some(hovered_hunk) =
674 position_map
675 .display_hunks
676 .iter()
677 .find_map(|(hunk, hunk_hitbox)| match hunk {
678 DisplayDiffHunk::Folded { .. } => None,
679 DisplayDiffHunk::Unfolded {
680 multi_buffer_range, ..
681 } => hunk_hitbox
682 .as_ref()
683 .is_some_and(|hitbox| hitbox.is_hovered(window))
684 .then(|| multi_buffer_range.clone()),
685 })
686 {
687 editor.toggle_single_diff_hunk(hovered_hunk, cx);
688 cx.notify();
689 return;
690 } else if gutter_hitbox.is_hovered(window) {
691 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
692 } else if !text_hitbox.is_hovered(window) {
693 return;
694 }
695
696 if EditorSettings::get_global(cx)
697 .drag_and_drop_selection
698 .enabled
699 && click_count == 1
700 && !modifiers.shift
701 {
702 let newest_anchor = editor.selections.newest_anchor();
703 let snapshot = editor.snapshot(window, cx);
704 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
705 if point_for_position.intersects_selection(&selection) {
706 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
707 selection: newest_anchor.clone(),
708 click_position: event.position,
709 mouse_down_time: Instant::now(),
710 };
711 cx.stop_propagation();
712 return;
713 }
714 }
715
716 let is_singleton = editor.buffer().read(cx).is_singleton();
717
718 if click_count == 2 && !is_singleton {
719 match EditorSettings::get_global(cx).double_click_in_multibuffer {
720 DoubleClickInMultibuffer::Select => {
721 // do nothing special on double click, all selection logic is below
722 }
723 DoubleClickInMultibuffer::Open => {
724 if modifiers.alt {
725 // if double click is made with alt, pretend it's a regular double click without opening and alt,
726 // and run the selection logic.
727 modifiers.alt = false;
728 } else {
729 let scroll_position_row = position_map.scroll_position.y;
730 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
731 / position_map.line_height)
732 as f64
733 + position_map.scroll_position.y)
734 as u32;
735 let multi_buffer_row = position_map
736 .snapshot
737 .display_point_to_point(
738 DisplayPoint::new(DisplayRow(display_row), 0),
739 Bias::Right,
740 )
741 .row;
742 let line_offset_from_top = display_row - scroll_position_row as u32;
743 // if double click is made without alt, open the corresponding excerp
744 editor.open_excerpts_common(
745 Some(JumpData::MultiBufferRow {
746 row: MultiBufferRow(multi_buffer_row),
747 line_offset_from_top,
748 }),
749 false,
750 window,
751 cx,
752 );
753 return;
754 }
755 }
756 }
757 }
758
759 if !is_singleton {
760 let display_row = (ScrollPixelOffset::from(
761 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
762 ) + position_map.scroll_position.y) as u32;
763 let multi_buffer_row = position_map
764 .snapshot
765 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
766 .row;
767 if line_numbers
768 .get(&MultiBufferRow(multi_buffer_row))
769 .is_some_and(|line_layout| {
770 line_layout.segments.iter().any(|segment| {
771 segment
772 .hitbox
773 .as_ref()
774 .is_some_and(|hitbox| hitbox.contains(&event.position))
775 })
776 })
777 {
778 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
779
780 editor.open_excerpts_common(
781 Some(JumpData::MultiBufferRow {
782 row: MultiBufferRow(multi_buffer_row),
783 line_offset_from_top,
784 }),
785 modifiers.alt,
786 window,
787 cx,
788 );
789 cx.stop_propagation();
790 return;
791 }
792 }
793
794 let position = point_for_position.previous_valid;
795 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
796 editor.select(
797 SelectPhase::BeginColumnar {
798 position,
799 reset: match mode {
800 ColumnarMode::FromMouse => true,
801 ColumnarMode::FromSelection => false,
802 },
803 mode,
804 goal_column: point_for_position.exact_unclipped.column(),
805 },
806 window,
807 cx,
808 );
809 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
810 {
811 editor.select(
812 SelectPhase::Extend {
813 position,
814 click_count,
815 },
816 window,
817 cx,
818 );
819 } else {
820 editor.select(
821 SelectPhase::Begin {
822 position,
823 add: Editor::is_alt_pressed(&modifiers, cx),
824 click_count,
825 },
826 window,
827 cx,
828 );
829 }
830 cx.stop_propagation();
831 }
832
833 fn mouse_right_down(
834 editor: &mut Editor,
835 event: &MouseDownEvent,
836 position_map: &PositionMap,
837 window: &mut Window,
838 cx: &mut Context<Editor>,
839 ) {
840 if position_map.gutter_hitbox.is_hovered(window) {
841 let gutter_right_padding = editor.gutter_dimensions.right_padding;
842 let hitbox = &position_map.gutter_hitbox;
843
844 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
845 let point_for_position = position_map.point_for_position(event.position);
846 editor.set_breakpoint_context_menu(
847 point_for_position.previous_valid.row(),
848 None,
849 event.position,
850 window,
851 cx,
852 );
853 }
854 return;
855 }
856
857 if !position_map.text_hitbox.is_hovered(window) {
858 return;
859 }
860
861 let point_for_position = position_map.point_for_position(event.position);
862 mouse_context_menu::deploy_context_menu(
863 editor,
864 Some(event.position),
865 point_for_position.previous_valid,
866 window,
867 cx,
868 );
869 cx.stop_propagation();
870 }
871
872 fn mouse_middle_down(
873 editor: &mut Editor,
874 event: &MouseDownEvent,
875 position_map: &PositionMap,
876 window: &mut Window,
877 cx: &mut Context<Editor>,
878 ) {
879 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
880 return;
881 }
882
883 let point_for_position = position_map.point_for_position(event.position);
884 let position = point_for_position.previous_valid;
885
886 editor.select(
887 SelectPhase::BeginColumnar {
888 position,
889 reset: true,
890 mode: ColumnarMode::FromMouse,
891 goal_column: point_for_position.exact_unclipped.column(),
892 },
893 window,
894 cx,
895 );
896 }
897
898 fn mouse_up(
899 editor: &mut Editor,
900 event: &MouseUpEvent,
901 position_map: &PositionMap,
902 window: &mut Window,
903 cx: &mut Context<Editor>,
904 ) {
905 let text_hitbox = &position_map.text_hitbox;
906 let end_selection = editor.has_pending_selection();
907 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
908 let point_for_position = position_map.point_for_position(event.position);
909
910 match editor.selection_drag_state {
911 SelectionDragState::ReadyToDrag {
912 selection: _,
913 ref click_position,
914 mouse_down_time: _,
915 } => {
916 if event.position == *click_position {
917 editor.select(
918 SelectPhase::Begin {
919 position: point_for_position.previous_valid,
920 add: false,
921 click_count: 1, // ready to drag state only occurs on click count 1
922 },
923 window,
924 cx,
925 );
926 editor.selection_drag_state = SelectionDragState::None;
927 cx.stop_propagation();
928 return;
929 } else {
930 debug_panic!("drag state can never be in ready state after drag")
931 }
932 }
933 SelectionDragState::Dragging { ref selection, .. } => {
934 let snapshot = editor.snapshot(window, cx);
935 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
936 if !point_for_position.intersects_selection(&selection_display)
937 && text_hitbox.is_hovered(window)
938 {
939 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
940 || cfg!(not(target_os = "macos")) && event.modifiers.control);
941 editor.move_selection_on_drop(
942 &selection.clone(),
943 point_for_position.previous_valid,
944 is_cut,
945 window,
946 cx,
947 );
948 }
949 editor.selection_drag_state = SelectionDragState::None;
950 cx.stop_propagation();
951 cx.notify();
952 return;
953 }
954 _ => {}
955 }
956
957 if end_selection {
958 editor.select(SelectPhase::End, window, cx);
959 }
960
961 if end_selection && pending_nonempty_selections {
962 cx.stop_propagation();
963 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
964 && event.button == MouseButton::Middle
965 {
966 #[allow(
967 clippy::collapsible_if,
968 clippy::needless_return,
969 reason = "The cfg-block below makes this a false positive"
970 )]
971 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
972 return;
973 }
974
975 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
976 if EditorSettings::get_global(cx).middle_click_paste {
977 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
978 let point_for_position = position_map.point_for_position(event.position);
979 let position = point_for_position.previous_valid;
980
981 editor.select(
982 SelectPhase::Begin {
983 position,
984 add: false,
985 click_count: 1,
986 },
987 window,
988 cx,
989 );
990 editor.insert(&text, window, cx);
991 }
992 cx.stop_propagation()
993 }
994 }
995 }
996
997 fn click(
998 editor: &mut Editor,
999 event: &ClickEvent,
1000 position_map: &PositionMap,
1001 window: &mut Window,
1002 cx: &mut Context<Editor>,
1003 ) {
1004 let text_hitbox = &position_map.text_hitbox;
1005 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1006
1007 let hovered_link_modifier = Editor::is_cmd_or_ctrl_pressed(&event.modifiers(), cx);
1008
1009 if let Some(mouse_position) = event.mouse_position()
1010 && !pending_nonempty_selections
1011 && hovered_link_modifier
1012 && text_hitbox.is_hovered(window)
1013 {
1014 let point = position_map.point_for_position(mouse_position);
1015 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1016 editor.selection_drag_state = SelectionDragState::None;
1017
1018 cx.stop_propagation();
1019 }
1020 }
1021
1022 fn mouse_dragged(
1023 editor: &mut Editor,
1024 event: &MouseMoveEvent,
1025 position_map: &PositionMap,
1026 window: &mut Window,
1027 cx: &mut Context<Editor>,
1028 ) {
1029 if !editor.has_pending_selection()
1030 && matches!(editor.selection_drag_state, SelectionDragState::None)
1031 {
1032 return;
1033 }
1034
1035 let point_for_position = position_map.point_for_position(event.position);
1036 let text_hitbox = &position_map.text_hitbox;
1037
1038 let scroll_delta = {
1039 let text_bounds = text_hitbox.bounds;
1040 let mut scroll_delta = gpui::Point::<f32>::default();
1041 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1042 let top = text_bounds.origin.y + vertical_margin;
1043 let bottom = text_bounds.bottom_left().y - vertical_margin;
1044 if event.position.y < top {
1045 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1046 }
1047 if event.position.y > bottom {
1048 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1049 }
1050
1051 // We need horizontal width of text
1052 let style = editor.style.clone().unwrap_or_default();
1053 let font_id = window.text_system().resolve_font(&style.text.font());
1054 let font_size = style.text.font_size.to_pixels(window.rem_size());
1055 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1056
1057 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1058
1059 let scroll_space: Pixels = scroll_margin_x * em_width;
1060
1061 let left = text_bounds.origin.x + scroll_space;
1062 let right = text_bounds.top_right().x - scroll_space;
1063
1064 if event.position.x < left {
1065 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1066 }
1067 if event.position.x > right {
1068 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1069 }
1070 scroll_delta
1071 };
1072
1073 if !editor.has_pending_selection() {
1074 let drop_anchor = position_map
1075 .snapshot
1076 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1077 match editor.selection_drag_state {
1078 SelectionDragState::Dragging {
1079 ref mut drop_cursor,
1080 ref mut hide_drop_cursor,
1081 ..
1082 } => {
1083 drop_cursor.start = drop_anchor;
1084 drop_cursor.end = drop_anchor;
1085 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1086 editor.apply_scroll_delta(scroll_delta, window, cx);
1087 cx.notify();
1088 }
1089 SelectionDragState::ReadyToDrag {
1090 ref selection,
1091 ref click_position,
1092 ref mouse_down_time,
1093 } => {
1094 let drag_and_drop_delay = Duration::from_millis(
1095 EditorSettings::get_global(cx)
1096 .drag_and_drop_selection
1097 .delay
1098 .0,
1099 );
1100 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1101 let drop_cursor = Selection {
1102 id: post_inc(&mut editor.selections.next_selection_id()),
1103 start: drop_anchor,
1104 end: drop_anchor,
1105 reversed: false,
1106 goal: SelectionGoal::None,
1107 };
1108 editor.selection_drag_state = SelectionDragState::Dragging {
1109 selection: selection.clone(),
1110 drop_cursor,
1111 hide_drop_cursor: false,
1112 };
1113 editor.apply_scroll_delta(scroll_delta, window, cx);
1114 cx.notify();
1115 } else {
1116 let click_point = position_map.point_for_position(*click_position);
1117 editor.selection_drag_state = SelectionDragState::None;
1118 editor.select(
1119 SelectPhase::Begin {
1120 position: click_point.previous_valid,
1121 add: false,
1122 click_count: 1,
1123 },
1124 window,
1125 cx,
1126 );
1127 editor.select(
1128 SelectPhase::Update {
1129 position: point_for_position.previous_valid,
1130 goal_column: point_for_position.exact_unclipped.column(),
1131 scroll_delta,
1132 },
1133 window,
1134 cx,
1135 );
1136 }
1137 }
1138 _ => {}
1139 }
1140 } else {
1141 editor.select(
1142 SelectPhase::Update {
1143 position: point_for_position.previous_valid,
1144 goal_column: point_for_position.exact_unclipped.column(),
1145 scroll_delta,
1146 },
1147 window,
1148 cx,
1149 );
1150 }
1151 }
1152
1153 fn mouse_moved(
1154 editor: &mut Editor,
1155 event: &MouseMoveEvent,
1156 position_map: &PositionMap,
1157 window: &mut Window,
1158 cx: &mut Context<Editor>,
1159 ) {
1160 let text_hitbox = &position_map.text_hitbox;
1161 let gutter_hitbox = &position_map.gutter_hitbox;
1162 let modifiers = event.modifiers;
1163 let text_hovered = text_hitbox.is_hovered(window);
1164 let gutter_hovered = gutter_hitbox.is_hovered(window);
1165 editor.set_gutter_hovered(gutter_hovered, cx);
1166 editor.show_mouse_cursor(cx);
1167
1168 let point_for_position = position_map.point_for_position(event.position);
1169 let valid_point = point_for_position.previous_valid;
1170
1171 let hovered_diff_control = position_map
1172 .diff_hunk_control_bounds
1173 .iter()
1174 .find(|(_, bounds)| bounds.contains(&event.position))
1175 .map(|(row, _)| *row);
1176
1177 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1178 Some(control_row)
1179 } else if text_hovered {
1180 let current_row = valid_point.row();
1181 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1182 if let DisplayDiffHunk::Unfolded {
1183 display_row_range, ..
1184 } = hunk
1185 {
1186 if display_row_range.contains(¤t_row) {
1187 Some(display_row_range.start)
1188 } else {
1189 None
1190 }
1191 } else {
1192 None
1193 }
1194 })
1195 } else {
1196 None
1197 };
1198
1199 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1200 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1201 cx.notify();
1202 }
1203
1204 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1205 let mouse_over_inline_blame = bounds.contains(&event.position);
1206 let mouse_over_popover = editor
1207 .inline_blame_popover
1208 .as_ref()
1209 .and_then(|state| state.popover_bounds)
1210 .is_some_and(|bounds| bounds.contains(&event.position));
1211 let keyboard_grace = editor
1212 .inline_blame_popover
1213 .as_ref()
1214 .is_some_and(|state| state.keyboard_grace);
1215
1216 if mouse_over_inline_blame || mouse_over_popover {
1217 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1218 } else if !keyboard_grace {
1219 editor.hide_blame_popover(false, cx);
1220 }
1221 } else {
1222 editor.hide_blame_popover(false, cx);
1223 }
1224
1225 let breakpoint_indicator = if gutter_hovered {
1226 let buffer_anchor = position_map
1227 .snapshot
1228 .display_point_to_anchor(valid_point, Bias::Left);
1229
1230 if let Some((buffer_snapshot, file)) = position_map
1231 .snapshot
1232 .buffer_snapshot()
1233 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1234 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1235 {
1236 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1237
1238 let is_visible = editor
1239 .gutter_breakpoint_indicator
1240 .0
1241 .is_some_and(|indicator| indicator.is_active);
1242
1243 let has_existing_breakpoint =
1244 editor.breakpoint_store.as_ref().is_some_and(|store| {
1245 let Some(project) = &editor.project else {
1246 return false;
1247 };
1248 let Some(abs_path) = project.read(cx).absolute_path(
1249 &ProjectPath {
1250 path: file.path().clone(),
1251 worktree_id: file.worktree_id(cx),
1252 },
1253 cx,
1254 ) else {
1255 return false;
1256 };
1257 store
1258 .read(cx)
1259 .breakpoint_at_row(&abs_path, as_point.row, cx)
1260 .is_some()
1261 });
1262
1263 if !is_visible {
1264 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1265 cx.spawn(async move |this, cx| {
1266 cx.background_executor()
1267 .timer(Duration::from_millis(200))
1268 .await;
1269
1270 this.update(cx, |this, cx| {
1271 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1272 {
1273 indicator.is_active = true;
1274 cx.notify();
1275 }
1276 })
1277 .ok();
1278 })
1279 });
1280 }
1281
1282 Some(PhantomBreakpointIndicator {
1283 display_row: valid_point.row(),
1284 is_active: is_visible,
1285 collides_with_existing_breakpoint: has_existing_breakpoint,
1286 })
1287 } else {
1288 editor.gutter_breakpoint_indicator.1 = None;
1289 None
1290 }
1291 } else {
1292 editor.gutter_breakpoint_indicator.1 = None;
1293 None
1294 };
1295
1296 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1297 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1298 cx.notify();
1299 }
1300
1301 // Don't trigger hover popover if mouse is hovering over context menu
1302 if text_hovered {
1303 editor.update_hovered_link(
1304 point_for_position,
1305 &position_map.snapshot,
1306 modifiers,
1307 window,
1308 cx,
1309 );
1310
1311 if let Some(point) = point_for_position.as_valid() {
1312 let anchor = position_map
1313 .snapshot
1314 .buffer_snapshot()
1315 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1316 hover_at(editor, Some(anchor), window, cx);
1317 Self::update_visible_cursor(editor, point, position_map, window, cx);
1318 } else {
1319 editor.update_inlay_link_and_hover_points(
1320 &position_map.snapshot,
1321 point_for_position,
1322 modifiers.secondary(),
1323 modifiers.shift,
1324 window,
1325 cx,
1326 );
1327 }
1328 } else {
1329 editor.hide_hovered_link(cx);
1330 hover_at(editor, None, window, cx);
1331 }
1332 }
1333
1334 fn update_visible_cursor(
1335 editor: &mut Editor,
1336 point: DisplayPoint,
1337 position_map: &PositionMap,
1338 window: &mut Window,
1339 cx: &mut Context<Editor>,
1340 ) {
1341 let snapshot = &position_map.snapshot;
1342 let Some(hub) = editor.collaboration_hub() else {
1343 return;
1344 };
1345 let start = snapshot.display_snapshot.clip_point(
1346 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1347 Bias::Left,
1348 );
1349 let end = snapshot.display_snapshot.clip_point(
1350 DisplayPoint::new(
1351 point.row(),
1352 (point.column() + 1).min(snapshot.line_len(point.row())),
1353 ),
1354 Bias::Right,
1355 );
1356
1357 let range = snapshot
1358 .buffer_snapshot()
1359 .anchor_before(start.to_point(&snapshot.display_snapshot))
1360 ..snapshot
1361 .buffer_snapshot()
1362 .anchor_after(end.to_point(&snapshot.display_snapshot));
1363
1364 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1365 return;
1366 };
1367 let key = crate::HoveredCursor {
1368 replica_id: selection.replica_id,
1369 selection_id: selection.selection.id,
1370 };
1371 editor.hovered_cursors.insert(
1372 key.clone(),
1373 cx.spawn_in(window, async move |editor, cx| {
1374 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1375 editor
1376 .update(cx, |editor, cx| {
1377 editor.hovered_cursors.remove(&key);
1378 cx.notify();
1379 })
1380 .ok();
1381 }),
1382 );
1383 cx.notify()
1384 }
1385
1386 fn layout_selections(
1387 &self,
1388 start_anchor: Anchor,
1389 end_anchor: Anchor,
1390 local_selections: &[Selection<Point>],
1391 snapshot: &EditorSnapshot,
1392 start_row: DisplayRow,
1393 end_row: DisplayRow,
1394 window: &mut Window,
1395 cx: &mut App,
1396 ) -> (
1397 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1398 BTreeMap<DisplayRow, LineHighlightSpec>,
1399 Option<DisplayPoint>,
1400 ) {
1401 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1402 let mut active_rows = BTreeMap::new();
1403 let mut newest_selection_head = None;
1404
1405 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1406 return (selections, active_rows, newest_selection_head);
1407 };
1408
1409 editor_with_selections.update(cx, |editor, cx| {
1410 if editor.show_local_selections {
1411 let mut layouts = Vec::new();
1412 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1413 for selection in local_selections.iter().cloned() {
1414 let is_empty = selection.start == selection.end;
1415 let is_newest = selection == newest;
1416
1417 let layout = SelectionLayout::new(
1418 selection,
1419 editor.selections.line_mode(),
1420 editor.cursor_shape,
1421 &snapshot.display_snapshot,
1422 is_newest,
1423 editor.leader_id.is_none(),
1424 None,
1425 );
1426 if is_newest {
1427 newest_selection_head = Some(layout.head);
1428 }
1429
1430 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1431 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1432 {
1433 let contains_non_empty_selection = active_rows
1434 .entry(DisplayRow(row))
1435 .or_insert_with(LineHighlightSpec::default);
1436 contains_non_empty_selection.selection |= !is_empty;
1437 }
1438 layouts.push(layout);
1439 }
1440
1441 let mut player = editor.current_user_player_color(cx);
1442 if !editor.is_focused(window) {
1443 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1444 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1445 }
1446 selections.push((player, layouts));
1447
1448 if let SelectionDragState::Dragging {
1449 ref selection,
1450 ref drop_cursor,
1451 ref hide_drop_cursor,
1452 } = editor.selection_drag_state
1453 && !hide_drop_cursor
1454 && (drop_cursor
1455 .start
1456 .cmp(&selection.start, &snapshot.buffer_snapshot())
1457 .eq(&Ordering::Less)
1458 || drop_cursor
1459 .end
1460 .cmp(&selection.end, &snapshot.buffer_snapshot())
1461 .eq(&Ordering::Greater))
1462 {
1463 let drag_cursor_layout = SelectionLayout::new(
1464 drop_cursor.clone(),
1465 false,
1466 CursorShape::Bar,
1467 &snapshot.display_snapshot,
1468 false,
1469 false,
1470 None,
1471 );
1472 let absent_color = cx.theme().players().absent();
1473 selections.push((absent_color, vec![drag_cursor_layout]));
1474 }
1475 }
1476
1477 if let Some(collaboration_hub) = &editor.collaboration_hub {
1478 // When following someone, render the local selections in their color.
1479 if let Some(leader_id) = editor.leader_id {
1480 match leader_id {
1481 CollaboratorId::PeerId(peer_id) => {
1482 if let Some(collaborator) =
1483 collaboration_hub.collaborators(cx).get(&peer_id)
1484 && let Some(participant_index) = collaboration_hub
1485 .user_participant_indices(cx)
1486 .get(&collaborator.user_id)
1487 && let Some((local_selection_style, _)) = selections.first_mut()
1488 {
1489 *local_selection_style = cx
1490 .theme()
1491 .players()
1492 .color_for_participant(participant_index.0);
1493 }
1494 }
1495 CollaboratorId::Agent => {
1496 if let Some((local_selection_style, _)) = selections.first_mut() {
1497 *local_selection_style = cx.theme().players().agent();
1498 }
1499 }
1500 }
1501 }
1502
1503 let mut remote_selections = HashMap::default();
1504 for selection in snapshot.remote_selections_in_range(
1505 &(start_anchor..end_anchor),
1506 collaboration_hub.as_ref(),
1507 cx,
1508 ) {
1509 // Don't re-render the leader's selections, since the local selections
1510 // match theirs.
1511 if Some(selection.collaborator_id) == editor.leader_id {
1512 continue;
1513 }
1514 let key = HoveredCursor {
1515 replica_id: selection.replica_id,
1516 selection_id: selection.selection.id,
1517 };
1518
1519 let is_shown =
1520 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1521
1522 remote_selections
1523 .entry(selection.replica_id)
1524 .or_insert((selection.color, Vec::new()))
1525 .1
1526 .push(SelectionLayout::new(
1527 selection.selection,
1528 selection.line_mode,
1529 selection.cursor_shape,
1530 &snapshot.display_snapshot,
1531 false,
1532 false,
1533 if is_shown { selection.user_name } else { None },
1534 ));
1535 }
1536
1537 selections.extend(remote_selections.into_values());
1538 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1539 let layouts = snapshot
1540 .buffer_snapshot()
1541 .selections_in_range(&(start_anchor..end_anchor), true)
1542 .map(move |(_, line_mode, cursor_shape, selection)| {
1543 SelectionLayout::new(
1544 selection,
1545 line_mode,
1546 cursor_shape,
1547 &snapshot.display_snapshot,
1548 false,
1549 false,
1550 None,
1551 )
1552 })
1553 .collect::<Vec<_>>();
1554 let player = editor.current_user_player_color(cx);
1555 selections.push((player, layouts));
1556 }
1557 });
1558
1559 #[cfg(debug_assertions)]
1560 Self::layout_debug_ranges(
1561 &mut selections,
1562 start_anchor..end_anchor,
1563 &snapshot.display_snapshot,
1564 cx,
1565 );
1566
1567 (selections, active_rows, newest_selection_head)
1568 }
1569
1570 fn collect_cursors(
1571 &self,
1572 snapshot: &EditorSnapshot,
1573 cx: &mut App,
1574 ) -> Vec<(DisplayPoint, Hsla)> {
1575 let editor = self.editor.read(cx);
1576 let mut cursors = Vec::new();
1577 let mut skip_local = false;
1578 let mut add_cursor = |anchor: Anchor, color| {
1579 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1580 };
1581 // Remote cursors
1582 if let Some(collaboration_hub) = &editor.collaboration_hub {
1583 for remote_selection in snapshot.remote_selections_in_range(
1584 &(Anchor::min()..Anchor::max()),
1585 collaboration_hub.deref(),
1586 cx,
1587 ) {
1588 add_cursor(
1589 remote_selection.selection.head(),
1590 remote_selection.color.cursor,
1591 );
1592 if Some(remote_selection.collaborator_id) == editor.leader_id {
1593 skip_local = true;
1594 }
1595 }
1596 }
1597 // Local cursors
1598 if !skip_local {
1599 let color = cx.theme().players().local().cursor;
1600 editor
1601 .selections
1602 .disjoint_anchors()
1603 .iter()
1604 .for_each(|selection| {
1605 add_cursor(selection.head(), color);
1606 });
1607 if let Some(ref selection) = editor.selections.pending_anchor() {
1608 add_cursor(selection.head(), color);
1609 }
1610 }
1611 cursors
1612 }
1613
1614 fn layout_visible_cursors(
1615 &self,
1616 snapshot: &EditorSnapshot,
1617 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1618 row_block_types: &HashMap<DisplayRow, bool>,
1619 visible_display_row_range: Range<DisplayRow>,
1620 line_layouts: &[LineWithInvisibles],
1621 text_hitbox: &Hitbox,
1622 content_origin: gpui::Point<Pixels>,
1623 scroll_position: gpui::Point<ScrollOffset>,
1624 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1625 line_height: Pixels,
1626 em_width: Pixels,
1627 em_advance: Pixels,
1628 autoscroll_containing_element: bool,
1629 window: &mut Window,
1630 cx: &mut App,
1631 ) -> Vec<CursorLayout> {
1632 let mut autoscroll_bounds = None;
1633 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1634 let mut cursors = Vec::new();
1635
1636 let show_local_cursors = editor.show_local_cursors(window, cx);
1637
1638 for (player_color, selections) in selections {
1639 for selection in selections {
1640 let cursor_position = selection.head;
1641
1642 let in_range = visible_display_row_range.contains(&cursor_position.row());
1643 if (selection.is_local && !show_local_cursors)
1644 || !in_range
1645 || row_block_types.get(&cursor_position.row()) == Some(&true)
1646 {
1647 continue;
1648 }
1649
1650 let cursor_row_layout = &line_layouts
1651 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1652 let cursor_column = cursor_position.column() as usize;
1653
1654 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1655 let mut block_width =
1656 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1657 if block_width == Pixels::ZERO {
1658 block_width = em_advance;
1659 }
1660 let block_text = if let CursorShape::Block = selection.cursor_shape {
1661 snapshot
1662 .grapheme_at(cursor_position)
1663 .or_else(|| {
1664 if snapshot.is_empty() {
1665 snapshot.placeholder_text().and_then(|s| {
1666 s.graphemes(true).next().map(|s| s.to_string().into())
1667 })
1668 } else {
1669 None
1670 }
1671 })
1672 .map(|text| {
1673 let len = text.len();
1674
1675 let mut font = cursor_row_layout
1676 .font_id_for_index(cursor_column)
1677 .and_then(|cursor_font_id| {
1678 window.text_system().get_font_for_id(cursor_font_id)
1679 })
1680 .unwrap_or(self.style.text.font());
1681 font.features = self.style.text.font_features.clone();
1682
1683 // Invert the text color for the block cursor. Ensure that the text
1684 // color is opaque enough to be visible against the background color.
1685 //
1686 // 0.75 is an arbitrary threshold to determine if the background color is
1687 // opaque enough to use as a text color.
1688 //
1689 // TODO: In the future we should ensure themes have a `text_inverse` color.
1690 let color = if cx.theme().colors().editor_background.a < 0.75 {
1691 match cx.theme().appearance {
1692 Appearance::Dark => Hsla::black(),
1693 Appearance::Light => Hsla::white(),
1694 }
1695 } else {
1696 cx.theme().colors().editor_background
1697 };
1698
1699 window.text_system().shape_line(
1700 text,
1701 cursor_row_layout.font_size,
1702 &[TextRun {
1703 len,
1704 font,
1705 color,
1706 background_color: None,
1707 strikethrough: None,
1708 underline: None,
1709 }],
1710 None,
1711 )
1712 })
1713 } else {
1714 None
1715 };
1716
1717 let x = cursor_character_x - scroll_pixel_position.x.into();
1718 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1719 * ScrollPixelOffset::from(line_height))
1720 .into();
1721 if selection.is_newest {
1722 editor.pixel_position_of_newest_cursor = Some(point(
1723 text_hitbox.origin.x + x + block_width / 2.,
1724 text_hitbox.origin.y + y + line_height / 2.,
1725 ));
1726
1727 if autoscroll_containing_element {
1728 let top = text_hitbox.origin.y
1729 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1730 .max(0.)
1731 * ScrollPixelOffset::from(line_height))
1732 .into();
1733 let left = text_hitbox.origin.x
1734 + ((cursor_position.column() as ScrollOffset
1735 - scroll_position.x
1736 - 3.)
1737 .max(0.)
1738 * ScrollPixelOffset::from(em_width))
1739 .into();
1740
1741 let bottom = text_hitbox.origin.y
1742 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1743 * ScrollPixelOffset::from(line_height))
1744 .into();
1745 let right = text_hitbox.origin.x
1746 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1747 + 4.)
1748 * ScrollPixelOffset::from(em_width))
1749 .into();
1750
1751 autoscroll_bounds =
1752 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1753 }
1754 }
1755
1756 let mut cursor = CursorLayout {
1757 color: player_color.cursor,
1758 block_width,
1759 origin: point(x, y),
1760 line_height,
1761 shape: selection.cursor_shape,
1762 block_text,
1763 cursor_name: None,
1764 };
1765 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1766 string: name,
1767 color: self.style.background,
1768 is_top_row: cursor_position.row().0 == 0,
1769 });
1770 cursor.layout(content_origin, cursor_name, window, cx);
1771 cursors.push(cursor);
1772 }
1773 }
1774
1775 cursors
1776 });
1777
1778 if let Some(bounds) = autoscroll_bounds {
1779 window.request_autoscroll(bounds);
1780 }
1781
1782 cursor_layouts
1783 }
1784
1785 fn layout_scrollbars(
1786 &self,
1787 snapshot: &EditorSnapshot,
1788 scrollbar_layout_information: &ScrollbarLayoutInformation,
1789 content_offset: gpui::Point<Pixels>,
1790 scroll_position: gpui::Point<ScrollOffset>,
1791 non_visible_cursors: bool,
1792 right_margin: Pixels,
1793 editor_width: Pixels,
1794 window: &mut Window,
1795 cx: &mut App,
1796 ) -> Option<EditorScrollbars> {
1797 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1798 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1799 || self.style.scrollbar_width.is_zero()
1800 {
1801 return None;
1802 }
1803
1804 // If a drag took place after we started dragging the scrollbar,
1805 // cancel the scrollbar drag.
1806 if cx.has_active_drag() {
1807 self.editor.update(cx, |editor, cx| {
1808 editor.scroll_manager.reset_scrollbar_state(cx)
1809 });
1810 }
1811
1812 let editor_settings = EditorSettings::get_global(cx);
1813 let scrollbar_settings = editor_settings.scrollbar;
1814 let show_scrollbars = match scrollbar_settings.show {
1815 ShowScrollbar::Auto => {
1816 let editor = self.editor.read(cx);
1817 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1818 // Git
1819 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1820 ||
1821 // Buffer Search Results
1822 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1823 ||
1824 // Selected Text Occurrences
1825 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1826 ||
1827 // Selected Symbol Occurrences
1828 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1829 ||
1830 // Diagnostics
1831 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1832 ||
1833 // Cursors out of sight
1834 non_visible_cursors
1835 ||
1836 // Scrollmanager
1837 editor.scroll_manager.scrollbars_visible()
1838 }
1839 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1840 ShowScrollbar::Always => true,
1841 ShowScrollbar::Never => return None,
1842 };
1843
1844 // The horizontal scrollbar is usually slightly offset to align nicely with
1845 // indent guides. However, this offset is not needed if indent guides are
1846 // disabled for the current editor.
1847 let content_offset = self
1848 .editor
1849 .read(cx)
1850 .show_indent_guides
1851 .is_none_or(|should_show| should_show)
1852 .then_some(content_offset)
1853 .unwrap_or_default();
1854
1855 Some(EditorScrollbars::from_scrollbar_axes(
1856 ScrollbarAxes {
1857 horizontal: scrollbar_settings.axes.horizontal
1858 && self.editor.read(cx).show_scrollbars.horizontal,
1859 vertical: scrollbar_settings.axes.vertical
1860 && self.editor.read(cx).show_scrollbars.vertical,
1861 },
1862 scrollbar_layout_information,
1863 content_offset,
1864 scroll_position,
1865 self.style.scrollbar_width,
1866 right_margin,
1867 editor_width,
1868 show_scrollbars,
1869 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1870 window,
1871 ))
1872 }
1873
1874 fn layout_minimap(
1875 &self,
1876 snapshot: &EditorSnapshot,
1877 minimap_width: Pixels,
1878 scroll_position: gpui::Point<f64>,
1879 scrollbar_layout_information: &ScrollbarLayoutInformation,
1880 scrollbar_layout: Option<&EditorScrollbars>,
1881 window: &mut Window,
1882 cx: &mut App,
1883 ) -> Option<MinimapLayout> {
1884 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1885
1886 let minimap_settings = EditorSettings::get_global(cx).minimap;
1887
1888 if minimap_settings.on_active_editor() {
1889 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1890 ws.read(cx)
1891 .active_pane()
1892 .read(cx)
1893 .active_item()
1894 .and_then(|i| i.act_as::<Editor>(cx))
1895 });
1896 if active_editor.is_some_and(|e| e != self.editor) {
1897 return None;
1898 }
1899 }
1900
1901 if !snapshot.mode.is_full()
1902 || minimap_width.is_zero()
1903 || matches!(
1904 minimap_settings.show,
1905 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1906 )
1907 {
1908 return None;
1909 }
1910
1911 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1912
1913 let ScrollbarLayoutInformation {
1914 editor_bounds,
1915 scroll_range,
1916 glyph_grid_cell,
1917 } = scrollbar_layout_information;
1918
1919 let line_height = glyph_grid_cell.height;
1920 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1921
1922 let top_right_anchor = scrollbar_layout
1923 .and_then(|layout| layout.vertical.as_ref())
1924 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1925 .unwrap_or_else(|| editor_bounds.top_right());
1926
1927 let thumb_state = self
1928 .editor
1929 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1930
1931 let show_thumb = match minimap_settings.thumb {
1932 MinimapThumb::Always => true,
1933 MinimapThumb::Hover => thumb_state.is_some(),
1934 };
1935
1936 let minimap_bounds = Bounds::from_corner_and_size(
1937 Corner::TopRight,
1938 top_right_anchor,
1939 size(minimap_width, editor_bounds.size.height),
1940 );
1941 let minimap_line_height = self.get_minimap_line_height(
1942 minimap_editor
1943 .read(cx)
1944 .text_style_refinement
1945 .as_ref()
1946 .and_then(|refinement| refinement.font_size)
1947 .unwrap_or(MINIMAP_FONT_SIZE),
1948 window,
1949 cx,
1950 );
1951 let minimap_height = minimap_bounds.size.height;
1952
1953 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1954 let total_editor_lines = (scroll_range.height / line_height) as f64;
1955 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1956
1957 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1958 total_editor_lines,
1959 visible_editor_lines,
1960 minimap_lines,
1961 scroll_position,
1962 );
1963
1964 let layout = ScrollbarLayout::for_minimap(
1965 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1966 visible_editor_lines,
1967 total_editor_lines,
1968 minimap_line_height,
1969 scroll_position,
1970 minimap_scroll_top,
1971 show_thumb,
1972 )
1973 .with_thumb_state(thumb_state);
1974
1975 minimap_editor.update(cx, |editor, cx| {
1976 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1977 });
1978
1979 // Required for the drop shadow to be visible
1980 const PADDING_OFFSET: Pixels = px(4.);
1981
1982 let mut minimap = div()
1983 .size_full()
1984 .shadow_xs()
1985 .px(PADDING_OFFSET)
1986 .child(minimap_editor)
1987 .into_any_element();
1988
1989 let extended_bounds = minimap_bounds.extend(Edges {
1990 right: PADDING_OFFSET,
1991 left: PADDING_OFFSET,
1992 ..Default::default()
1993 });
1994 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1995 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1996 minimap.prepaint(window, cx)
1997 });
1998
1999 Some(MinimapLayout {
2000 minimap,
2001 thumb_layout: layout,
2002 thumb_border_style: minimap_settings.thumb_border,
2003 minimap_line_height,
2004 minimap_scroll_top,
2005 max_scroll_top: total_editor_lines,
2006 })
2007 }
2008
2009 fn get_minimap_line_height(
2010 &self,
2011 font_size: AbsoluteLength,
2012 window: &mut Window,
2013 cx: &mut App,
2014 ) -> Pixels {
2015 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2016 let mut text_style = self.style.text.clone();
2017 text_style.font_size = font_size;
2018 text_style.line_height_in_pixels(rem_size)
2019 }
2020
2021 fn get_minimap_width(
2022 &self,
2023 minimap_settings: &Minimap,
2024 scrollbars_shown: bool,
2025 text_width: Pixels,
2026 em_width: Pixels,
2027 font_size: Pixels,
2028 rem_size: Pixels,
2029 cx: &App,
2030 ) -> Option<Pixels> {
2031 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2032 return None;
2033 }
2034
2035 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2036 editor.minimap().map(|minimap_editor| {
2037 minimap_editor
2038 .read(cx)
2039 .text_style_refinement
2040 .as_ref()
2041 .and_then(|refinement| refinement.font_size)
2042 .unwrap_or(MINIMAP_FONT_SIZE)
2043 })
2044 })?;
2045
2046 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2047
2048 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2049 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2050
2051 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2052 .then_some(minimap_width)
2053 }
2054
2055 fn prepaint_crease_toggles(
2056 &self,
2057 crease_toggles: &mut [Option<AnyElement>],
2058 line_height: Pixels,
2059 gutter_dimensions: &GutterDimensions,
2060 gutter_settings: crate::editor_settings::Gutter,
2061 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2062 gutter_hitbox: &Hitbox,
2063 window: &mut Window,
2064 cx: &mut App,
2065 ) {
2066 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2067 if let Some(crease_toggle) = crease_toggle {
2068 debug_assert!(gutter_settings.folds);
2069 let available_space = size(
2070 AvailableSpace::MinContent,
2071 AvailableSpace::Definite(line_height * 0.55),
2072 );
2073 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2074
2075 let position = point(
2076 gutter_dimensions.width - gutter_dimensions.right_padding,
2077 ix as f32 * line_height
2078 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2079 );
2080 let centering_offset = point(
2081 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2082 (line_height - crease_toggle_size.height) / 2.,
2083 );
2084 let origin = gutter_hitbox.origin + position + centering_offset;
2085 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2086 }
2087 }
2088 }
2089
2090 fn prepaint_expand_toggles(
2091 &self,
2092 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2093 window: &mut Window,
2094 cx: &mut App,
2095 ) {
2096 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2097 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2098 expand_toggle.layout_as_root(available_space, window, cx);
2099 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2100 }
2101 }
2102
2103 fn prepaint_crease_trailers(
2104 &self,
2105 trailers: Vec<Option<AnyElement>>,
2106 lines: &[LineWithInvisibles],
2107 line_height: Pixels,
2108 content_origin: gpui::Point<Pixels>,
2109 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2110 em_width: Pixels,
2111 window: &mut Window,
2112 cx: &mut App,
2113 ) -> Vec<Option<CreaseTrailerLayout>> {
2114 trailers
2115 .into_iter()
2116 .enumerate()
2117 .map(|(ix, element)| {
2118 let mut element = element?;
2119 let available_space = size(
2120 AvailableSpace::MinContent,
2121 AvailableSpace::Definite(line_height),
2122 );
2123 let size = element.layout_as_root(available_space, window, cx);
2124
2125 let line = &lines[ix];
2126 let padding = if line.width == Pixels::ZERO {
2127 Pixels::ZERO
2128 } else {
2129 4. * em_width
2130 };
2131 let position = point(
2132 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2133 ix as f32 * line_height
2134 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2135 );
2136 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2137 let origin = content_origin + position + centering_offset;
2138 element.prepaint_as_root(origin, available_space, window, cx);
2139 Some(CreaseTrailerLayout {
2140 element,
2141 bounds: Bounds::new(origin, size),
2142 })
2143 })
2144 .collect()
2145 }
2146
2147 // Folds contained in a hunk are ignored apart from shrinking visual size
2148 // If a fold contains any hunks then that fold line is marked as modified
2149 fn layout_gutter_diff_hunks(
2150 &self,
2151 line_height: Pixels,
2152 gutter_hitbox: &Hitbox,
2153 display_rows: Range<DisplayRow>,
2154 snapshot: &EditorSnapshot,
2155 window: &mut Window,
2156 cx: &mut App,
2157 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2158 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2159 let mut display_hunks = snapshot
2160 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2161 .map(|hunk| (hunk, None))
2162 .collect::<Vec<_>>();
2163 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2164 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2165 for (hunk, hitbox) in &mut display_hunks {
2166 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2167 let hunk_bounds =
2168 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2169 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2170 }
2171 }
2172 }
2173
2174 display_hunks
2175 }
2176
2177 fn layout_inline_diagnostics(
2178 &self,
2179 line_layouts: &[LineWithInvisibles],
2180 crease_trailers: &[Option<CreaseTrailerLayout>],
2181 row_block_types: &HashMap<DisplayRow, bool>,
2182 content_origin: gpui::Point<Pixels>,
2183 scroll_position: gpui::Point<ScrollOffset>,
2184 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2185 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2186 start_row: DisplayRow,
2187 end_row: DisplayRow,
2188 line_height: Pixels,
2189 em_width: Pixels,
2190 style: &EditorStyle,
2191 window: &mut Window,
2192 cx: &mut App,
2193 ) -> HashMap<DisplayRow, AnyElement> {
2194 let max_severity = match self
2195 .editor
2196 .read(cx)
2197 .inline_diagnostics_enabled()
2198 .then(|| {
2199 ProjectSettings::get_global(cx)
2200 .diagnostics
2201 .inline
2202 .max_severity
2203 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2204 .into_lsp()
2205 })
2206 .flatten()
2207 {
2208 Some(max_severity) => max_severity,
2209 None => return HashMap::default(),
2210 };
2211
2212 let active_diagnostics_group =
2213 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2214 Some(group.group_id)
2215 } else {
2216 None
2217 };
2218
2219 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2220 let snapshot = editor.snapshot(window, cx);
2221 editor
2222 .inline_diagnostics
2223 .iter()
2224 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2225 .filter(|(_, diagnostic)| match active_diagnostics_group {
2226 Some(active_diagnostics_group) => {
2227 // Active diagnostics are all shown in the editor already, no need to display them inline
2228 diagnostic.group_id != active_diagnostics_group
2229 }
2230 None => true,
2231 })
2232 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2233 .skip_while(|(point, _)| point.row() < start_row)
2234 .take_while(|(point, _)| point.row() < end_row)
2235 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2236 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2237 acc.entry(point.row())
2238 .or_insert_with(Vec::new)
2239 .push(diagnostic);
2240 acc
2241 })
2242 });
2243
2244 if diagnostics_by_rows.is_empty() {
2245 return HashMap::default();
2246 }
2247
2248 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2249 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2250 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2251 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2252 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2253 _ => Color::Error,
2254 };
2255
2256 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2257 let min_x = self.column_pixels(
2258 ProjectSettings::get_global(cx)
2259 .diagnostics
2260 .inline
2261 .min_column as usize,
2262 window,
2263 );
2264
2265 let mut elements = HashMap::default();
2266 for (row, mut diagnostics) in diagnostics_by_rows {
2267 diagnostics.sort_by_key(|diagnostic| {
2268 (
2269 diagnostic.severity,
2270 std::cmp::Reverse(diagnostic.is_primary),
2271 diagnostic.start.row,
2272 diagnostic.start.column,
2273 )
2274 });
2275
2276 let Some(diagnostic_to_render) = diagnostics
2277 .iter()
2278 .find(|diagnostic| diagnostic.is_primary)
2279 .or_else(|| diagnostics.first())
2280 else {
2281 continue;
2282 };
2283
2284 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2285
2286 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2287 let pos_x = {
2288 let crease_trailer_layout = &crease_trailers[window_ix];
2289 let line_layout = &line_layouts[window_ix];
2290
2291 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2292 crease_trailer.bounds.right()
2293 } else {
2294 Pixels::from(
2295 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2296 - scroll_pixel_position.x,
2297 )
2298 };
2299
2300 let padded_line = line_end + padding;
2301 let min_start = Pixels::from(
2302 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2303 );
2304
2305 cmp::max(padded_line, min_start)
2306 };
2307
2308 let behind_edit_prediction_popover = edit_prediction_popover_origin
2309 .as_ref()
2310 .is_some_and(|edit_prediction_popover_origin| {
2311 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2312 });
2313 let opacity = if behind_edit_prediction_popover {
2314 0.5
2315 } else {
2316 1.0
2317 };
2318
2319 let mut element = h_flex()
2320 .id(("diagnostic", row.0))
2321 .h(line_height)
2322 .w_full()
2323 .px_1()
2324 .rounded_xs()
2325 .opacity(opacity)
2326 .bg(severity_to_color(&diagnostic_to_render.severity)
2327 .color(cx)
2328 .opacity(0.05))
2329 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2330 .text_sm()
2331 .font_family(style.text.font().family)
2332 .child(diagnostic_to_render.message.clone())
2333 .into_any();
2334
2335 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2336
2337 elements.insert(row, element);
2338 }
2339
2340 elements
2341 }
2342
2343 fn layout_inline_code_actions(
2344 &self,
2345 display_point: DisplayPoint,
2346 content_origin: gpui::Point<Pixels>,
2347 scroll_position: gpui::Point<ScrollOffset>,
2348 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2349 line_height: Pixels,
2350 snapshot: &EditorSnapshot,
2351 window: &mut Window,
2352 cx: &mut App,
2353 ) -> Option<AnyElement> {
2354 if !snapshot
2355 .show_code_actions
2356 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2357 {
2358 return None;
2359 }
2360
2361 let icon_size = ui::IconSize::XSmall;
2362 let mut button = self.editor.update(cx, |editor, cx| {
2363 editor.available_code_actions.as_ref()?;
2364 let active = editor
2365 .context_menu
2366 .borrow()
2367 .as_ref()
2368 .and_then(|menu| {
2369 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2370 deployed_from,
2371 ..
2372 }) = menu
2373 {
2374 deployed_from.as_ref()
2375 } else {
2376 None
2377 }
2378 })
2379 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2380 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2381 })?;
2382
2383 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2384
2385 // do not show code action for folded line
2386 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2387 return None;
2388 }
2389
2390 // do not show code action for blank line with cursor
2391 let line_indent = snapshot
2392 .display_snapshot
2393 .buffer_snapshot()
2394 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2395 if line_indent.is_line_blank() {
2396 return None;
2397 }
2398
2399 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2400 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2401
2402 let excerpt_id = snapshot
2403 .display_snapshot
2404 .buffer_snapshot()
2405 .excerpt_containing(buffer_point..buffer_point)
2406 .map(|excerpt| excerpt.id());
2407
2408 let is_valid_row = |row_candidate: u32| -> bool {
2409 // move to other row if folded row
2410 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2411 return false;
2412 }
2413 if buffer_point.row == row_candidate {
2414 // move to other row if cursor is in slot
2415 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2416 return false;
2417 }
2418 } else {
2419 let candidate_point = MultiBufferPoint {
2420 row: row_candidate,
2421 column: 0,
2422 };
2423 let candidate_excerpt_id = snapshot
2424 .display_snapshot
2425 .buffer_snapshot()
2426 .excerpt_containing(candidate_point..candidate_point)
2427 .map(|excerpt| excerpt.id());
2428 // move to other row if different excerpt
2429 if excerpt_id != candidate_excerpt_id {
2430 return false;
2431 }
2432 }
2433 let line_indent = snapshot
2434 .display_snapshot
2435 .buffer_snapshot()
2436 .line_indent_for_row(MultiBufferRow(row_candidate));
2437 // use this row if it's blank
2438 if line_indent.is_line_blank() {
2439 true
2440 } else {
2441 // use this row if code starts after slot
2442 let indent_size = snapshot
2443 .display_snapshot
2444 .buffer_snapshot()
2445 .indent_size_for_line(MultiBufferRow(row_candidate));
2446 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2447 }
2448 };
2449
2450 let new_buffer_row = if is_valid_row(buffer_point.row) {
2451 Some(buffer_point.row)
2452 } else {
2453 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2454 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2455 let row_above = buffer_point.row.saturating_sub(offset);
2456 let row_below = buffer_point.row + offset;
2457 if row_above != buffer_point.row && is_valid_row(row_above) {
2458 Some(row_above)
2459 } else if row_below <= max_row && is_valid_row(row_below) {
2460 Some(row_below)
2461 } else {
2462 None
2463 }
2464 })
2465 }?;
2466
2467 let new_display_row = snapshot
2468 .display_snapshot
2469 .point_to_display_point(
2470 Point {
2471 row: new_buffer_row,
2472 column: buffer_point.column,
2473 },
2474 text::Bias::Left,
2475 )
2476 .row();
2477
2478 let start_y = content_origin.y
2479 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2480 + (line_height / 2.0)
2481 - (icon_size.square(window, cx) / 2.);
2482 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2483 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2484 .into();
2485
2486 let absolute_offset = gpui::point(start_x, start_y);
2487 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2488 button.prepaint_as_root(
2489 absolute_offset,
2490 gpui::AvailableSpace::min_size(),
2491 window,
2492 cx,
2493 );
2494 Some(button)
2495 }
2496
2497 fn layout_inline_blame(
2498 &self,
2499 display_row: DisplayRow,
2500 row_info: &RowInfo,
2501 line_layout: &LineWithInvisibles,
2502 crease_trailer: Option<&CreaseTrailerLayout>,
2503 em_width: Pixels,
2504 content_origin: gpui::Point<Pixels>,
2505 scroll_position: gpui::Point<ScrollOffset>,
2506 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2507 line_height: Pixels,
2508 text_hitbox: &Hitbox,
2509 window: &mut Window,
2510 cx: &mut App,
2511 ) -> Option<InlineBlameLayout> {
2512 if !self
2513 .editor
2514 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2515 {
2516 return None;
2517 }
2518
2519 let editor = self.editor.read(cx);
2520 let blame = editor.blame.clone()?;
2521 let padding = {
2522 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2523
2524 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2525
2526 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2527 && let EditPrediction::Edit {
2528 display_mode: EditDisplayMode::TabAccept,
2529 ..
2530 } = &edit_prediction.completion
2531 {
2532 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2533 }
2534
2535 padding * em_width
2536 };
2537
2538 let (buffer_id, entry) = blame
2539 .update(cx, |blame, cx| {
2540 blame.blame_for_rows(&[*row_info], cx).next()
2541 })
2542 .flatten()?;
2543
2544 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2545
2546 let start_y =
2547 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2548
2549 let start_x = {
2550 let line_end = if let Some(crease_trailer) = crease_trailer {
2551 crease_trailer.bounds.right()
2552 } else {
2553 Pixels::from(
2554 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2555 - scroll_pixel_position.x,
2556 )
2557 };
2558
2559 let padded_line_end = line_end + padding;
2560
2561 let min_column_in_pixels = self.column_pixels(
2562 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2563 window,
2564 );
2565 let min_start = Pixels::from(
2566 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2567 - scroll_pixel_position.x,
2568 );
2569
2570 cmp::max(padded_line_end, min_start)
2571 };
2572
2573 let absolute_offset = point(start_x, start_y);
2574 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2575 let bounds = Bounds::new(absolute_offset, size);
2576
2577 self.layout_blame_entry_popover(
2578 entry.clone(),
2579 blame,
2580 line_height,
2581 text_hitbox,
2582 row_info.buffer_id?,
2583 window,
2584 cx,
2585 );
2586
2587 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2588
2589 Some(InlineBlameLayout {
2590 element,
2591 bounds,
2592 buffer_id,
2593 entry,
2594 })
2595 }
2596
2597 fn layout_blame_entry_popover(
2598 &self,
2599 blame_entry: BlameEntry,
2600 blame: Entity<GitBlame>,
2601 line_height: Pixels,
2602 text_hitbox: &Hitbox,
2603 buffer: BufferId,
2604 window: &mut Window,
2605 cx: &mut App,
2606 ) {
2607 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2608 editor
2609 .inline_blame_popover
2610 .as_ref()
2611 .map(|state| (state.popover_state.clone(), state.position))
2612 }) else {
2613 return;
2614 };
2615
2616 let workspace = self
2617 .editor
2618 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2619
2620 let maybe_element = workspace.and_then(|workspace| {
2621 render_blame_entry_popover(
2622 blame_entry,
2623 popover_state.scroll_handle,
2624 popover_state.commit_message,
2625 popover_state.markdown,
2626 workspace,
2627 &blame,
2628 buffer,
2629 window,
2630 cx,
2631 )
2632 });
2633
2634 if let Some(mut element) = maybe_element {
2635 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2636 let overall_height = size.height + HOVER_POPOVER_GAP;
2637 let popover_origin = if target_point.y > overall_height {
2638 point(target_point.x, target_point.y - size.height)
2639 } else {
2640 point(
2641 target_point.x,
2642 target_point.y + line_height + HOVER_POPOVER_GAP,
2643 )
2644 };
2645
2646 let horizontal_offset = (text_hitbox.top_right().x
2647 - POPOVER_RIGHT_OFFSET
2648 - (popover_origin.x + size.width))
2649 .min(Pixels::ZERO);
2650
2651 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2652 let popover_bounds = Bounds::new(origin, size);
2653
2654 self.editor.update(cx, |editor, _| {
2655 if let Some(state) = &mut editor.inline_blame_popover {
2656 state.popover_bounds = Some(popover_bounds);
2657 }
2658 });
2659
2660 window.defer_draw(element, origin, 2);
2661 }
2662 }
2663
2664 fn layout_blame_entries(
2665 &self,
2666 buffer_rows: &[RowInfo],
2667 em_width: Pixels,
2668 scroll_position: gpui::Point<ScrollOffset>,
2669 line_height: Pixels,
2670 gutter_hitbox: &Hitbox,
2671 max_width: Option<Pixels>,
2672 window: &mut Window,
2673 cx: &mut App,
2674 ) -> Option<Vec<AnyElement>> {
2675 if !self
2676 .editor
2677 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2678 {
2679 return None;
2680 }
2681
2682 let blame = self.editor.read(cx).blame.clone()?;
2683 let workspace = self.editor.read(cx).workspace()?;
2684 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2685 blame.blame_for_rows(buffer_rows, cx).collect()
2686 });
2687
2688 let width = if let Some(max_width) = max_width {
2689 AvailableSpace::Definite(max_width)
2690 } else {
2691 AvailableSpace::MaxContent
2692 };
2693 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2694 let start_x = em_width;
2695
2696 let mut last_used_color: Option<(Hsla, Oid)> = None;
2697 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2698
2699 let shaped_lines = blamed_rows
2700 .into_iter()
2701 .enumerate()
2702 .flat_map(|(ix, blame_entry)| {
2703 let (buffer_id, blame_entry) = blame_entry?;
2704 let mut element = render_blame_entry(
2705 ix,
2706 &blame,
2707 blame_entry,
2708 &self.style,
2709 &mut last_used_color,
2710 self.editor.clone(),
2711 workspace.clone(),
2712 buffer_id,
2713 &*blame_renderer,
2714 window,
2715 cx,
2716 )?;
2717
2718 let start_y = ix as f32 * line_height
2719 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2720 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2721
2722 element.prepaint_as_root(
2723 absolute_offset,
2724 size(width, AvailableSpace::MinContent),
2725 window,
2726 cx,
2727 );
2728
2729 Some(element)
2730 })
2731 .collect();
2732
2733 Some(shaped_lines)
2734 }
2735
2736 fn layout_indent_guides(
2737 &self,
2738 content_origin: gpui::Point<Pixels>,
2739 text_origin: gpui::Point<Pixels>,
2740 visible_buffer_range: Range<MultiBufferRow>,
2741 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2742 line_height: Pixels,
2743 snapshot: &DisplaySnapshot,
2744 window: &mut Window,
2745 cx: &mut App,
2746 ) -> Option<Vec<IndentGuideLayout>> {
2747 let indent_guides = self.editor.update(cx, |editor, cx| {
2748 editor.indent_guides(visible_buffer_range, snapshot, cx)
2749 })?;
2750
2751 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2752 editor
2753 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2754 .unwrap_or_default()
2755 });
2756
2757 Some(
2758 indent_guides
2759 .into_iter()
2760 .enumerate()
2761 .filter_map(|(i, indent_guide)| {
2762 let single_indent_width =
2763 self.column_pixels(indent_guide.tab_size as usize, window);
2764 let total_width = single_indent_width * indent_guide.depth as f32;
2765 let start_x = Pixels::from(
2766 ScrollOffset::from(content_origin.x + total_width)
2767 - scroll_pixel_position.x,
2768 );
2769 if start_x >= text_origin.x {
2770 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2771 indent_guide.start_row..indent_guide.end_row,
2772 line_height,
2773 snapshot,
2774 );
2775
2776 let start_y = Pixels::from(
2777 ScrollOffset::from(content_origin.y) + offset_y
2778 - scroll_pixel_position.y,
2779 );
2780
2781 Some(IndentGuideLayout {
2782 origin: point(start_x, start_y),
2783 length,
2784 single_indent_width,
2785 depth: indent_guide.depth,
2786 active: active_indent_guide_indices.contains(&i),
2787 settings: indent_guide.settings,
2788 })
2789 } else {
2790 None
2791 }
2792 })
2793 .collect(),
2794 )
2795 }
2796
2797 fn layout_wrap_guides(
2798 &self,
2799 em_advance: Pixels,
2800 scroll_position: gpui::Point<f64>,
2801 content_origin: gpui::Point<Pixels>,
2802 scrollbar_layout: Option<&EditorScrollbars>,
2803 vertical_scrollbar_width: Pixels,
2804 hitbox: &Hitbox,
2805 window: &Window,
2806 cx: &App,
2807 ) -> SmallVec<[(Pixels, bool); 2]> {
2808 let scroll_left = scroll_position.x as f32 * em_advance;
2809 let content_origin = content_origin.x;
2810 let horizontal_offset = content_origin - scroll_left;
2811 let vertical_scrollbar_width = scrollbar_layout
2812 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2813 .unwrap_or_default();
2814
2815 self.editor
2816 .read(cx)
2817 .wrap_guides(cx)
2818 .into_iter()
2819 .flat_map(|(guide, active)| {
2820 let wrap_position = self.column_pixels(guide, window);
2821 let wrap_guide_x = wrap_position + horizontal_offset;
2822 let display_wrap_guide = wrap_guide_x >= content_origin
2823 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2824
2825 display_wrap_guide.then_some((wrap_guide_x, active))
2826 })
2827 .collect()
2828 }
2829
2830 fn calculate_indent_guide_bounds(
2831 row_range: Range<MultiBufferRow>,
2832 line_height: Pixels,
2833 snapshot: &DisplaySnapshot,
2834 ) -> (f64, gpui::Pixels) {
2835 let start_point = Point::new(row_range.start.0, 0);
2836 let end_point = Point::new(row_range.end.0, 0);
2837
2838 let row_range = start_point.to_display_point(snapshot).row()
2839 ..end_point.to_display_point(snapshot).row();
2840
2841 let mut prev_line = start_point;
2842 prev_line.row = prev_line.row.saturating_sub(1);
2843 let prev_line = prev_line.to_display_point(snapshot).row();
2844
2845 let mut cons_line = end_point;
2846 cons_line.row += 1;
2847 let cons_line = cons_line.to_display_point(snapshot).row();
2848
2849 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2850 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2851
2852 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2853 if row_range.end == cons_line {
2854 length += line_height;
2855 }
2856
2857 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2858 // we want to extend the indent guide to the start of the block.
2859 let mut block_height = 0;
2860 let mut block_offset = 0;
2861 let mut found_excerpt_header = false;
2862 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2863 if matches!(
2864 block,
2865 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2866 ) {
2867 found_excerpt_header = true;
2868 break;
2869 }
2870 block_offset += block.height();
2871 block_height += block.height();
2872 }
2873 if !found_excerpt_header {
2874 offset_y -= block_offset as f64 * f64::from(line_height);
2875 length += block_height as f32 * line_height;
2876 }
2877
2878 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2879 // we want to ensure that the indent guide stops before the excerpt header.
2880 let mut block_height = 0;
2881 let mut found_excerpt_header = false;
2882 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2883 if matches!(
2884 block,
2885 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2886 ) {
2887 found_excerpt_header = true;
2888 }
2889 block_height += block.height();
2890 }
2891 if found_excerpt_header {
2892 length -= block_height as f32 * line_height;
2893 }
2894
2895 (offset_y, length)
2896 }
2897
2898 fn layout_breakpoints(
2899 &self,
2900 line_height: Pixels,
2901 range: Range<DisplayRow>,
2902 scroll_position: gpui::Point<ScrollOffset>,
2903 gutter_dimensions: &GutterDimensions,
2904 gutter_hitbox: &Hitbox,
2905 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2906 snapshot: &EditorSnapshot,
2907 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2908 row_infos: &[RowInfo],
2909 window: &mut Window,
2910 cx: &mut App,
2911 ) -> Vec<AnyElement> {
2912 self.editor.update(cx, |editor, cx| {
2913 breakpoints
2914 .into_iter()
2915 .filter_map(|(display_row, (text_anchor, bp, state))| {
2916 if row_infos
2917 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2918 .is_some_and(|row_info| {
2919 row_info.expand_info.is_some()
2920 || row_info
2921 .diff_status
2922 .is_some_and(|status| status.is_deleted())
2923 })
2924 {
2925 return None;
2926 }
2927
2928 if range.start > display_row || range.end < display_row {
2929 return None;
2930 }
2931
2932 let row =
2933 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2934 if snapshot.is_line_folded(row) {
2935 return None;
2936 }
2937
2938 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2939
2940 let button = prepaint_gutter_button(
2941 button,
2942 display_row,
2943 line_height,
2944 gutter_dimensions,
2945 scroll_position,
2946 gutter_hitbox,
2947 display_hunks,
2948 window,
2949 cx,
2950 );
2951 Some(button)
2952 })
2953 .collect_vec()
2954 })
2955 }
2956
2957 #[allow(clippy::too_many_arguments)]
2958 fn layout_run_indicators(
2959 &self,
2960 line_height: Pixels,
2961 range: Range<DisplayRow>,
2962 row_infos: &[RowInfo],
2963 scroll_position: gpui::Point<ScrollOffset>,
2964 gutter_dimensions: &GutterDimensions,
2965 gutter_hitbox: &Hitbox,
2966 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2967 snapshot: &EditorSnapshot,
2968 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2969 window: &mut Window,
2970 cx: &mut App,
2971 ) -> Vec<AnyElement> {
2972 self.editor.update(cx, |editor, cx| {
2973 let active_task_indicator_row =
2974 // TODO: add edit button on the right side of each row in the context menu
2975 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2976 deployed_from,
2977 actions,
2978 ..
2979 })) = editor.context_menu.borrow().as_ref()
2980 {
2981 actions
2982 .tasks()
2983 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2984 .or_else(|| match deployed_from {
2985 Some(CodeActionSource::Indicator(row)) => Some(*row),
2986 _ => None,
2987 })
2988 } else {
2989 None
2990 };
2991
2992 let offset_range_start =
2993 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2994
2995 let offset_range_end =
2996 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2997
2998 editor
2999 .tasks
3000 .iter()
3001 .filter_map(|(_, tasks)| {
3002 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
3003 if multibuffer_point < offset_range_start
3004 || multibuffer_point > offset_range_end
3005 {
3006 return None;
3007 }
3008 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3009 let buffer_folded = snapshot
3010 .buffer_snapshot()
3011 .buffer_line_for_row(multibuffer_row)
3012 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3013 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3014 .unwrap_or(false);
3015 if buffer_folded {
3016 return None;
3017 }
3018
3019 if snapshot.is_line_folded(multibuffer_row) {
3020 // Skip folded indicators, unless it's the starting line of a fold.
3021 if multibuffer_row
3022 .0
3023 .checked_sub(1)
3024 .is_some_and(|previous_row| {
3025 snapshot.is_line_folded(MultiBufferRow(previous_row))
3026 })
3027 {
3028 return None;
3029 }
3030 }
3031
3032 let display_row = multibuffer_point.to_display_point(snapshot).row();
3033 if !range.contains(&display_row) {
3034 return None;
3035 }
3036 if row_infos
3037 .get((display_row - range.start).0 as usize)
3038 .is_some_and(|row_info| row_info.expand_info.is_some())
3039 {
3040 return None;
3041 }
3042
3043 let button = editor.render_run_indicator(
3044 &self.style,
3045 Some(display_row) == active_task_indicator_row,
3046 display_row,
3047 breakpoints.remove(&display_row),
3048 cx,
3049 );
3050
3051 let button = prepaint_gutter_button(
3052 button,
3053 display_row,
3054 line_height,
3055 gutter_dimensions,
3056 scroll_position,
3057 gutter_hitbox,
3058 display_hunks,
3059 window,
3060 cx,
3061 );
3062 Some(button)
3063 })
3064 .collect_vec()
3065 })
3066 }
3067
3068 fn layout_expand_toggles(
3069 &self,
3070 gutter_hitbox: &Hitbox,
3071 gutter_dimensions: GutterDimensions,
3072 em_width: Pixels,
3073 line_height: Pixels,
3074 scroll_position: gpui::Point<ScrollOffset>,
3075 buffer_rows: &[RowInfo],
3076 window: &mut Window,
3077 cx: &mut App,
3078 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3079 if self.editor.read(cx).disable_expand_excerpt_buttons {
3080 return vec![];
3081 }
3082
3083 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3084
3085 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3086
3087 let max_line_number_length = self
3088 .editor
3089 .read(cx)
3090 .buffer()
3091 .read(cx)
3092 .snapshot(cx)
3093 .widest_line_number()
3094 .ilog10()
3095 + 1;
3096
3097 let git_gutter_width = Self::gutter_strip_width(line_height)
3098 + gutter_dimensions
3099 .git_blame_entries_width
3100 .unwrap_or_default();
3101 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3102
3103 buffer_rows
3104 .iter()
3105 .enumerate()
3106 .map(|(ix, row_info)| {
3107 let ExpandInfo {
3108 excerpt_id,
3109 direction,
3110 } = row_info.expand_info?;
3111
3112 let icon_name = match direction {
3113 ExpandExcerptDirection::Up => IconName::ExpandUp,
3114 ExpandExcerptDirection::Down => IconName::ExpandDown,
3115 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3116 };
3117
3118 let editor = self.editor.clone();
3119 let is_wide = max_line_number_length
3120 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3121 && row_info
3122 .buffer_row
3123 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3124 || gutter_dimensions.right_padding == px(0.);
3125
3126 let width = if is_wide {
3127 available_width - px(2.)
3128 } else {
3129 available_width + em_width - px(2.)
3130 };
3131
3132 let toggle = IconButton::new(("expand", ix), icon_name)
3133 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3134 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3135 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3136 .width(width)
3137 .on_click(move |_, window, cx| {
3138 editor.update(cx, |editor, cx| {
3139 editor.expand_excerpt(excerpt_id, direction, window, cx);
3140 });
3141 })
3142 .tooltip(Tooltip::for_action_title(
3143 "Expand Excerpt",
3144 &crate::actions::ExpandExcerpts::default(),
3145 ))
3146 .into_any_element();
3147
3148 let position = point(
3149 git_gutter_width + px(1.),
3150 ix as f32 * line_height
3151 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3152 + px(1.),
3153 );
3154 let origin = gutter_hitbox.origin + position;
3155
3156 Some((toggle, origin))
3157 })
3158 .collect()
3159 }
3160
3161 fn calculate_relative_line_numbers(
3162 &self,
3163 snapshot: &EditorSnapshot,
3164 rows: &Range<DisplayRow>,
3165 relative_to: Option<DisplayRow>,
3166 count_wrapped_lines: bool,
3167 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3168 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3169 let Some(relative_to) = relative_to else {
3170 return relative_rows;
3171 };
3172
3173 let start = rows.start.min(relative_to);
3174 let end = rows.end.max(relative_to);
3175
3176 let buffer_rows = snapshot
3177 .row_infos(start)
3178 .take(1 + end.minus(start) as usize)
3179 .collect::<Vec<_>>();
3180
3181 let head_idx = relative_to.minus(start);
3182 let mut delta = 1;
3183 let mut i = head_idx + 1;
3184 let should_count_line = |row_info: &RowInfo| {
3185 if count_wrapped_lines {
3186 row_info.buffer_row.is_some() || row_info.wrapped_buffer_row.is_some()
3187 } else {
3188 row_info.buffer_row.is_some()
3189 }
3190 };
3191 while i < buffer_rows.len() as u32 {
3192 if should_count_line(&buffer_rows[i as usize]) {
3193 if rows.contains(&DisplayRow(i + start.0)) {
3194 relative_rows.insert(DisplayRow(i + start.0), delta);
3195 }
3196 delta += 1;
3197 }
3198 i += 1;
3199 }
3200 delta = 1;
3201 i = head_idx.min(buffer_rows.len().saturating_sub(1) as u32);
3202 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !count_wrapped_lines {
3203 i -= 1;
3204 }
3205
3206 while i > 0 {
3207 i -= 1;
3208 if should_count_line(&buffer_rows[i as usize]) {
3209 if rows.contains(&DisplayRow(i + start.0)) {
3210 relative_rows.insert(DisplayRow(i + start.0), delta);
3211 }
3212 delta += 1;
3213 }
3214 }
3215
3216 relative_rows
3217 }
3218
3219 fn layout_line_numbers(
3220 &self,
3221 gutter_hitbox: Option<&Hitbox>,
3222 gutter_dimensions: GutterDimensions,
3223 line_height: Pixels,
3224 scroll_position: gpui::Point<ScrollOffset>,
3225 rows: Range<DisplayRow>,
3226 buffer_rows: &[RowInfo],
3227 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3228 newest_selection_head: Option<DisplayPoint>,
3229 snapshot: &EditorSnapshot,
3230 window: &mut Window,
3231 cx: &mut App,
3232 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3233 let include_line_numbers = snapshot
3234 .show_line_numbers
3235 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3236 if !include_line_numbers {
3237 return Arc::default();
3238 }
3239
3240 let (newest_selection_head, relative) = self.editor.update(cx, |editor, cx| {
3241 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3242 let newest = editor
3243 .selections
3244 .newest::<Point>(&editor.display_snapshot(cx));
3245 SelectionLayout::new(
3246 newest,
3247 editor.selections.line_mode(),
3248 editor.cursor_shape,
3249 &snapshot.display_snapshot,
3250 true,
3251 true,
3252 None,
3253 )
3254 .head
3255 });
3256 let relative = editor.relative_line_numbers(cx);
3257 (newest_selection_head, relative)
3258 });
3259
3260 let relative_to = if relative.enabled() {
3261 Some(newest_selection_head.row())
3262 } else {
3263 None
3264 };
3265 let relative_rows =
3266 self.calculate_relative_line_numbers(snapshot, &rows, relative_to, relative.wrapped());
3267 let mut line_number = String::new();
3268 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3269 let display_row = DisplayRow(rows.start.0 + ix as u32);
3270 line_number.clear();
3271 let non_relative_number = if relative.wrapped() {
3272 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3273 } else {
3274 row_info.buffer_row? + 1
3275 };
3276 let number = relative_rows
3277 .get(&display_row)
3278 .unwrap_or(&non_relative_number);
3279 write!(&mut line_number, "{number}").unwrap();
3280 if row_info
3281 .diff_status
3282 .is_some_and(|status| status.is_deleted())
3283 {
3284 return None;
3285 }
3286
3287 let color = active_rows
3288 .get(&display_row)
3289 .map(|spec| {
3290 if spec.breakpoint {
3291 cx.theme().colors().debugger_accent
3292 } else {
3293 cx.theme().colors().editor_active_line_number
3294 }
3295 })
3296 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3297 let shaped_line =
3298 self.shape_line_number(SharedString::from(&line_number), color, window);
3299 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3300 let line_origin = gutter_hitbox.map(|hitbox| {
3301 hitbox.origin
3302 + point(
3303 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3304 ix as f32 * line_height
3305 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3306 )
3307 });
3308
3309 #[cfg(not(test))]
3310 let hitbox = line_origin.map(|line_origin| {
3311 window.insert_hitbox(
3312 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3313 HitboxBehavior::Normal,
3314 )
3315 });
3316 #[cfg(test)]
3317 let hitbox = {
3318 let _ = line_origin;
3319 None
3320 };
3321
3322 let segment = LineNumberSegment {
3323 shaped_line,
3324 hitbox,
3325 };
3326
3327 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3328 let multi_buffer_row = MultiBufferRow(buffer_row);
3329
3330 Some((multi_buffer_row, segment))
3331 });
3332
3333 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3334 for (buffer_row, segment) in segments {
3335 line_numbers
3336 .entry(buffer_row)
3337 .or_insert_with(|| LineNumberLayout {
3338 segments: Default::default(),
3339 })
3340 .segments
3341 .push(segment);
3342 }
3343 Arc::new(line_numbers)
3344 }
3345
3346 fn layout_crease_toggles(
3347 &self,
3348 rows: Range<DisplayRow>,
3349 row_infos: &[RowInfo],
3350 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3351 snapshot: &EditorSnapshot,
3352 window: &mut Window,
3353 cx: &mut App,
3354 ) -> Vec<Option<AnyElement>> {
3355 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3356 && snapshot.mode.is_full()
3357 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3358 if include_fold_statuses {
3359 row_infos
3360 .iter()
3361 .enumerate()
3362 .map(|(ix, info)| {
3363 if info.expand_info.is_some() {
3364 return None;
3365 }
3366 let row = info.multibuffer_row?;
3367 let display_row = DisplayRow(rows.start.0 + ix as u32);
3368 let active = active_rows.contains_key(&display_row);
3369
3370 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3371 })
3372 .collect()
3373 } else {
3374 Vec::new()
3375 }
3376 }
3377
3378 fn layout_crease_trailers(
3379 &self,
3380 buffer_rows: impl IntoIterator<Item = RowInfo>,
3381 snapshot: &EditorSnapshot,
3382 window: &mut Window,
3383 cx: &mut App,
3384 ) -> Vec<Option<AnyElement>> {
3385 buffer_rows
3386 .into_iter()
3387 .map(|row_info| {
3388 if row_info.expand_info.is_some() {
3389 return None;
3390 }
3391 if let Some(row) = row_info.multibuffer_row {
3392 snapshot.render_crease_trailer(row, window, cx)
3393 } else {
3394 None
3395 }
3396 })
3397 .collect()
3398 }
3399
3400 fn bg_segments_per_row(
3401 rows: Range<DisplayRow>,
3402 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3403 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3404 base_background: Hsla,
3405 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3406 if rows.start >= rows.end {
3407 return Vec::new();
3408 }
3409 if !base_background.is_opaque() {
3410 // We don't actually know what color is behind this editor.
3411 return Vec::new();
3412 }
3413 let highlight_iter = highlight_ranges.iter().cloned();
3414 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3415 let color = player_color.selection;
3416 layouts.iter().filter_map(move |selection_layout| {
3417 if selection_layout.range.start != selection_layout.range.end {
3418 Some((selection_layout.range.clone(), color))
3419 } else {
3420 None
3421 }
3422 })
3423 });
3424 let mut per_row_map = vec![Vec::new(); rows.len()];
3425 for (range, color) in highlight_iter.chain(selection_iter) {
3426 let covered_rows = if range.end.column() == 0 {
3427 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3428 } else {
3429 cmp::max(range.start.row(), rows.start)
3430 ..cmp::min(range.end.row().next_row(), rows.end)
3431 };
3432 for row in covered_rows.iter_rows() {
3433 let seg_start = if row == range.start.row() {
3434 range.start
3435 } else {
3436 DisplayPoint::new(row, 0)
3437 };
3438 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3439 range.end
3440 } else {
3441 DisplayPoint::new(row, u32::MAX)
3442 };
3443 let ix = row.minus(rows.start) as usize;
3444 debug_assert!(row >= rows.start && row < rows.end);
3445 debug_assert!(ix < per_row_map.len());
3446 per_row_map[ix].push((seg_start..seg_end, color));
3447 }
3448 }
3449 for row_segments in per_row_map.iter_mut() {
3450 if row_segments.is_empty() {
3451 continue;
3452 }
3453 let segments = mem::take(row_segments);
3454 let merged = Self::merge_overlapping_ranges(segments, base_background);
3455 *row_segments = merged;
3456 }
3457 per_row_map
3458 }
3459
3460 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3461 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3462 ///
3463 /// Expects `start.row() == end.row()` for each range.
3464 fn merge_overlapping_ranges(
3465 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3466 base_background: Hsla,
3467 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3468 struct Boundary {
3469 pos: DisplayPoint,
3470 is_start: bool,
3471 index: usize,
3472 color: Hsla,
3473 }
3474
3475 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3476 for (index, (range, color)) in ranges.iter().enumerate() {
3477 debug_assert!(
3478 range.start.row() == range.end.row(),
3479 "expects single-row ranges"
3480 );
3481 if range.start < range.end {
3482 boundaries.push(Boundary {
3483 pos: range.start,
3484 is_start: true,
3485 index,
3486 color: *color,
3487 });
3488 boundaries.push(Boundary {
3489 pos: range.end,
3490 is_start: false,
3491 index,
3492 color: *color,
3493 });
3494 }
3495 }
3496
3497 if boundaries.is_empty() {
3498 return Vec::new();
3499 }
3500
3501 boundaries
3502 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3503
3504 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3505 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3506
3507 let mut i = 0;
3508 let mut start_pos = boundaries[0].pos;
3509
3510 let boundaries_len = boundaries.len();
3511 while i < boundaries_len {
3512 let current_boundary_pos = boundaries[i].pos;
3513 if start_pos < current_boundary_pos {
3514 if !active_ranges.is_empty() {
3515 let mut color = base_background;
3516 for &(_, c) in &active_ranges {
3517 color = Hsla::blend(color, c);
3518 }
3519 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3520 if *last_color == color && last_range.end == start_pos {
3521 last_range.end = current_boundary_pos;
3522 } else {
3523 processed_ranges.push((start_pos..current_boundary_pos, color));
3524 }
3525 } else {
3526 processed_ranges.push((start_pos..current_boundary_pos, color));
3527 }
3528 }
3529 }
3530 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3531 let active_range = &boundaries[i];
3532 if active_range.is_start {
3533 let idx = active_range.index;
3534 let pos = active_ranges
3535 .binary_search_by_key(&idx, |(i, _)| *i)
3536 .unwrap_or_else(|p| p);
3537 active_ranges.insert(pos, (idx, active_range.color));
3538 } else {
3539 let idx = active_range.index;
3540 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3541 active_ranges.remove(pos);
3542 }
3543 }
3544 i += 1;
3545 }
3546 start_pos = current_boundary_pos;
3547 }
3548
3549 processed_ranges
3550 }
3551
3552 fn layout_lines(
3553 rows: Range<DisplayRow>,
3554 snapshot: &EditorSnapshot,
3555 style: &EditorStyle,
3556 editor_width: Pixels,
3557 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3558 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3559 window: &mut Window,
3560 cx: &mut App,
3561 ) -> Vec<LineWithInvisibles> {
3562 if rows.start >= rows.end {
3563 return Vec::new();
3564 }
3565
3566 // Show the placeholder when the editor is empty
3567 if snapshot.is_empty() {
3568 let font_size = style.text.font_size.to_pixels(window.rem_size());
3569 let placeholder_color = cx.theme().colors().text_placeholder;
3570 let placeholder_text = snapshot.placeholder_text();
3571
3572 let placeholder_lines = placeholder_text
3573 .as_ref()
3574 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3575
3576 let placeholder_line_count = placeholder_lines.len();
3577
3578 placeholder_lines
3579 .into_iter()
3580 .skip(rows.start.0 as usize)
3581 .chain(iter::repeat(""))
3582 .take(cmp::max(rows.len(), placeholder_line_count))
3583 .map(move |line| {
3584 let run = TextRun {
3585 len: line.len(),
3586 font: style.text.font(),
3587 color: placeholder_color,
3588 background_color: None,
3589 underline: None,
3590 strikethrough: None,
3591 };
3592 let line = window.text_system().shape_line(
3593 line.to_string().into(),
3594 font_size,
3595 &[run],
3596 None,
3597 );
3598 LineWithInvisibles {
3599 width: line.width,
3600 len: line.len,
3601 fragments: smallvec![LineFragment::Text(line)],
3602 invisibles: Vec::new(),
3603 font_size,
3604 }
3605 })
3606 .collect()
3607 } else {
3608 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3609 LineWithInvisibles::from_chunks(
3610 chunks,
3611 style,
3612 MAX_LINE_LEN,
3613 rows.len(),
3614 &snapshot.mode,
3615 editor_width,
3616 is_row_soft_wrapped,
3617 bg_segments_per_row,
3618 window,
3619 cx,
3620 )
3621 }
3622 }
3623
3624 fn prepaint_lines(
3625 &self,
3626 start_row: DisplayRow,
3627 line_layouts: &mut [LineWithInvisibles],
3628 line_height: Pixels,
3629 scroll_position: gpui::Point<ScrollOffset>,
3630 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3631 content_origin: gpui::Point<Pixels>,
3632 window: &mut Window,
3633 cx: &mut App,
3634 ) -> SmallVec<[AnyElement; 1]> {
3635 let mut line_elements = SmallVec::new();
3636 for (ix, line) in line_layouts.iter_mut().enumerate() {
3637 let row = start_row + DisplayRow(ix as u32);
3638 line.prepaint(
3639 line_height,
3640 scroll_position,
3641 scroll_pixel_position,
3642 row,
3643 content_origin,
3644 &mut line_elements,
3645 window,
3646 cx,
3647 );
3648 }
3649 line_elements
3650 }
3651
3652 fn render_block(
3653 &self,
3654 block: &Block,
3655 available_width: AvailableSpace,
3656 block_id: BlockId,
3657 block_row_start: DisplayRow,
3658 snapshot: &EditorSnapshot,
3659 text_x: Pixels,
3660 rows: &Range<DisplayRow>,
3661 line_layouts: &[LineWithInvisibles],
3662 editor_margins: &EditorMargins,
3663 line_height: Pixels,
3664 em_width: Pixels,
3665 text_hitbox: &Hitbox,
3666 editor_width: Pixels,
3667 scroll_width: &mut Pixels,
3668 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3669 row_block_types: &mut HashMap<DisplayRow, bool>,
3670 selections: &[Selection<Point>],
3671 selected_buffer_ids: &Vec<BufferId>,
3672 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3673 sticky_header_excerpt_id: Option<ExcerptId>,
3674 window: &mut Window,
3675 cx: &mut App,
3676 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3677 let mut x_position = None;
3678 let mut element = match block {
3679 Block::Custom(custom) => {
3680 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3681 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3682 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3683 return None;
3684 }
3685 let align_to = block_start.to_display_point(snapshot);
3686 let x_and_width = |layout: &LineWithInvisibles| {
3687 Some((
3688 text_x + layout.x_for_index(align_to.column() as usize),
3689 text_x + layout.width,
3690 ))
3691 };
3692 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3693 x_position =
3694 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3695 x_and_width(layout)
3696 } else {
3697 x_and_width(&layout_line(
3698 align_to.row(),
3699 snapshot,
3700 &self.style,
3701 editor_width,
3702 is_row_soft_wrapped,
3703 window,
3704 cx,
3705 ))
3706 };
3707
3708 let anchor_x = x_position.unwrap().0;
3709
3710 let selected = selections
3711 .binary_search_by(|selection| {
3712 if selection.end <= block_start {
3713 Ordering::Less
3714 } else if selection.start >= block_end {
3715 Ordering::Greater
3716 } else {
3717 Ordering::Equal
3718 }
3719 })
3720 .is_ok();
3721
3722 div()
3723 .size_full()
3724 .child(custom.render(&mut BlockContext {
3725 window,
3726 app: cx,
3727 anchor_x,
3728 margins: editor_margins,
3729 line_height,
3730 em_width,
3731 block_id,
3732 selected,
3733 max_width: text_hitbox.size.width.max(*scroll_width),
3734 editor_style: &self.style,
3735 }))
3736 .into_any()
3737 }
3738
3739 Block::FoldedBuffer {
3740 first_excerpt,
3741 height,
3742 ..
3743 } => {
3744 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3745 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3746
3747 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3748 result
3749 .child(self.render_buffer_header(
3750 first_excerpt,
3751 true,
3752 selected,
3753 false,
3754 jump_data,
3755 window,
3756 cx,
3757 ))
3758 .into_any_element()
3759 }
3760
3761 Block::ExcerptBoundary { .. } => {
3762 let color = cx.theme().colors().clone();
3763 let mut result = v_flex().id(block_id).w_full();
3764
3765 result = result.child(
3766 h_flex().relative().child(
3767 div()
3768 .top(line_height / 2.)
3769 .absolute()
3770 .w_full()
3771 .h_px()
3772 .bg(color.border_variant),
3773 ),
3774 );
3775
3776 result.into_any()
3777 }
3778
3779 Block::BufferHeader { excerpt, height } => {
3780 let mut result = v_flex().id(block_id).w_full();
3781
3782 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3783
3784 if sticky_header_excerpt_id != Some(excerpt.id) {
3785 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3786
3787 result = result.child(div().pr(editor_margins.right).child(
3788 self.render_buffer_header(
3789 excerpt, false, selected, false, jump_data, window, cx,
3790 ),
3791 ));
3792 } else {
3793 result =
3794 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3795 }
3796
3797 result.into_any()
3798 }
3799 };
3800
3801 // Discover the element's content height, then round up to the nearest multiple of line height.
3802 let preliminary_size = element.layout_as_root(
3803 size(available_width, AvailableSpace::MinContent),
3804 window,
3805 cx,
3806 );
3807 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3808 let final_size = if preliminary_size.height == quantized_height {
3809 preliminary_size
3810 } else {
3811 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3812 };
3813 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3814
3815 let mut row = block_row_start;
3816 let mut x_offset = px(0.);
3817 let mut is_block = true;
3818
3819 if let BlockId::Custom(custom_block_id) = block_id
3820 && block.has_height()
3821 {
3822 if block.place_near()
3823 && let Some((x_target, line_width)) = x_position
3824 {
3825 let margin = em_width * 2;
3826 if line_width + final_size.width + margin
3827 < editor_width + editor_margins.gutter.full_width()
3828 && !row_block_types.contains_key(&(row - 1))
3829 && element_height_in_lines == 1
3830 {
3831 x_offset = line_width + margin;
3832 row = row - 1;
3833 is_block = false;
3834 element_height_in_lines = 0;
3835 row_block_types.insert(row, is_block);
3836 } else {
3837 let max_offset =
3838 editor_width + editor_margins.gutter.full_width() - final_size.width;
3839 let min_offset = (x_target + em_width - final_size.width)
3840 .max(editor_margins.gutter.full_width());
3841 x_offset = x_target.min(max_offset).max(min_offset);
3842 }
3843 };
3844 if element_height_in_lines != block.height() {
3845 resized_blocks.insert(custom_block_id, element_height_in_lines);
3846 }
3847 }
3848 for i in 0..element_height_in_lines {
3849 row_block_types.insert(row + i, is_block);
3850 }
3851
3852 Some((element, final_size, row, x_offset))
3853 }
3854
3855 fn render_buffer_header(
3856 &self,
3857 for_excerpt: &ExcerptInfo,
3858 is_folded: bool,
3859 is_selected: bool,
3860 is_sticky: bool,
3861 jump_data: JumpData,
3862 window: &mut Window,
3863 cx: &mut App,
3864 ) -> impl IntoElement {
3865 let editor = self.editor.read(cx);
3866 let multi_buffer = editor.buffer.read(cx);
3867 let file_status = multi_buffer
3868 .all_diff_hunks_expanded()
3869 .then(|| editor.status_for_buffer_id(for_excerpt.buffer_id, cx))
3870 .flatten();
3871 let indicator = multi_buffer
3872 .buffer(for_excerpt.buffer_id)
3873 .and_then(|buffer| {
3874 let buffer = buffer.read(cx);
3875 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3876 (true, _) => Some(Color::Warning),
3877 (_, true) => Some(Color::Accent),
3878 (false, false) => None,
3879 };
3880 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3881 });
3882
3883 let include_root = editor
3884 .project
3885 .as_ref()
3886 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3887 .unwrap_or_default();
3888 let file = for_excerpt.buffer.file();
3889 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3890 let path_style = file.map(|file| file.path_style(cx));
3891 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3892 let (parent_path, filename) = if let Some(path) = &relative_path {
3893 if let Some(path_style) = path_style {
3894 let (dir, file_name) = path_style.split(path);
3895 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3896 } else {
3897 (None, Some(path.clone()))
3898 }
3899 } else {
3900 (None, None)
3901 };
3902 let focus_handle = editor.focus_handle(cx);
3903 let colors = cx.theme().colors();
3904
3905 let header = div()
3906 .p_1()
3907 .w_full()
3908 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3909 .child(
3910 h_flex()
3911 .size_full()
3912 .gap_2()
3913 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3914 .pl_0p5()
3915 .pr_5()
3916 .rounded_sm()
3917 .when(is_sticky, |el| el.shadow_md())
3918 .border_1()
3919 .map(|div| {
3920 let border_color = if is_selected
3921 && is_folded
3922 && focus_handle.contains_focused(window, cx)
3923 {
3924 colors.border_focused
3925 } else {
3926 colors.border
3927 };
3928 div.border_color(border_color)
3929 })
3930 .bg(colors.editor_subheader_background)
3931 .hover(|style| style.bg(colors.element_hover))
3932 .map(|header| {
3933 let editor = self.editor.clone();
3934 let buffer_id = for_excerpt.buffer_id;
3935 let toggle_chevron_icon =
3936 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3937 header.child(
3938 div()
3939 .hover(|style| style.bg(colors.element_selected))
3940 .rounded_xs()
3941 .child(
3942 ButtonLike::new("toggle-buffer-fold")
3943 .style(ui::ButtonStyle::Transparent)
3944 .height(px(28.).into())
3945 .width(px(28.))
3946 .children(toggle_chevron_icon)
3947 .tooltip({
3948 let focus_handle = focus_handle.clone();
3949 move |_window, cx| {
3950 Tooltip::with_meta_in(
3951 "Toggle Excerpt Fold",
3952 Some(&ToggleFold),
3953 format!(
3954 "{} to toggle all",
3955 text_for_keystroke(
3956 &Modifiers::alt(),
3957 "click",
3958 cx
3959 )
3960 ),
3961 &focus_handle,
3962 cx,
3963 )
3964 }
3965 })
3966 .on_click(move |event, window, cx| {
3967 if event.modifiers().alt {
3968 // Alt+click toggles all buffers
3969 editor.update(cx, |editor, cx| {
3970 editor.toggle_fold_all(
3971 &ToggleFoldAll,
3972 window,
3973 cx,
3974 );
3975 });
3976 } else {
3977 // Regular click toggles single buffer
3978 if is_folded {
3979 editor.update(cx, |editor, cx| {
3980 editor.unfold_buffer(buffer_id, cx);
3981 });
3982 } else {
3983 editor.update(cx, |editor, cx| {
3984 editor.fold_buffer(buffer_id, cx);
3985 });
3986 }
3987 }
3988 }),
3989 ),
3990 )
3991 })
3992 .children(
3993 editor
3994 .addons
3995 .values()
3996 .filter_map(|addon| {
3997 addon.render_buffer_header_controls(for_excerpt, window, cx)
3998 })
3999 .take(1),
4000 )
4001 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
4002 .child(
4003 h_flex()
4004 .cursor_pointer()
4005 .id("path header block")
4006 .size_full()
4007 .justify_between()
4008 .overflow_hidden()
4009 .child(
4010 h_flex()
4011 .gap_2()
4012 .map(|path_header| {
4013 let filename = filename
4014 .map(SharedString::from)
4015 .unwrap_or_else(|| "untitled".into());
4016
4017 path_header
4018 .when(ItemSettings::get_global(cx).file_icons, |el| {
4019 let path = path::Path::new(filename.as_str());
4020 let icon = FileIcons::get_icon(path, cx)
4021 .unwrap_or_default();
4022 let icon =
4023 Icon::from_path(icon).color(Color::Muted);
4024 el.child(icon)
4025 })
4026 .child(Label::new(filename).single_line().when_some(
4027 file_status,
4028 |el, status| {
4029 el.color(if status.is_conflicted() {
4030 Color::Conflict
4031 } else if status.is_modified() {
4032 Color::Modified
4033 } else if status.is_deleted() {
4034 Color::Disabled
4035 } else {
4036 Color::Created
4037 })
4038 .when(status.is_deleted(), |el| {
4039 el.strikethrough()
4040 })
4041 },
4042 ))
4043 })
4044 .when_some(parent_path, |then, path| {
4045 then.child(div().child(path).text_color(
4046 if file_status.is_some_and(FileStatus::is_deleted) {
4047 colors.text_disabled
4048 } else {
4049 colors.text_muted
4050 },
4051 ))
4052 }),
4053 )
4054 .when(
4055 can_open_excerpts && is_selected && relative_path.is_some(),
4056 |el| {
4057 el.child(
4058 h_flex()
4059 .id("jump-to-file-button")
4060 .gap_2p5()
4061 .child(Label::new("Jump To File"))
4062 .child(KeyBinding::for_action_in(
4063 &OpenExcerpts,
4064 &focus_handle,
4065 cx,
4066 )),
4067 )
4068 },
4069 )
4070 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4071 .on_click(window.listener_for(&self.editor, {
4072 move |editor, e: &ClickEvent, window, cx| {
4073 editor.open_excerpts_common(
4074 Some(jump_data.clone()),
4075 e.modifiers().secondary(),
4076 window,
4077 cx,
4078 );
4079 }
4080 })),
4081 ),
4082 );
4083
4084 let file = for_excerpt.buffer.file().cloned();
4085 let editor = self.editor.clone();
4086 right_click_menu("buffer-header-context-menu")
4087 .trigger(move |_, _, _| header)
4088 .menu(move |window, cx| {
4089 let menu_context = focus_handle.clone();
4090 let editor = editor.clone();
4091 let file = file.clone();
4092 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4093 if let Some(file) = file
4094 && let Some(project) = editor.read(cx).project()
4095 && let Some(worktree) =
4096 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4097 {
4098 let path_style = file.path_style(cx);
4099 let worktree = worktree.read(cx);
4100 let relative_path = file.path();
4101 let entry_for_path = worktree.entry_for_path(relative_path);
4102 let abs_path = entry_for_path.map(|e| {
4103 e.canonical_path.as_deref().map_or_else(
4104 || worktree.absolutize(relative_path),
4105 Path::to_path_buf,
4106 )
4107 });
4108 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4109
4110 let parent_abs_path = abs_path
4111 .as_ref()
4112 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4113 let relative_path = has_relative_path
4114 .then_some(relative_path)
4115 .map(ToOwned::to_owned);
4116
4117 let visible_in_project_panel =
4118 relative_path.is_some() && worktree.is_visible();
4119 let reveal_in_project_panel = entry_for_path
4120 .filter(|_| visible_in_project_panel)
4121 .map(|entry| entry.id);
4122 menu = menu
4123 .when_some(abs_path, |menu, abs_path| {
4124 menu.entry(
4125 "Copy Path",
4126 Some(Box::new(zed_actions::workspace::CopyPath)),
4127 window.handler_for(&editor, move |_, _, cx| {
4128 cx.write_to_clipboard(ClipboardItem::new_string(
4129 abs_path.to_string_lossy().into_owned(),
4130 ));
4131 }),
4132 )
4133 })
4134 .when_some(relative_path, |menu, relative_path| {
4135 menu.entry(
4136 "Copy Relative Path",
4137 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4138 window.handler_for(&editor, move |_, _, cx| {
4139 cx.write_to_clipboard(ClipboardItem::new_string(
4140 relative_path.display(path_style).to_string(),
4141 ));
4142 }),
4143 )
4144 })
4145 .when(
4146 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4147 |menu| menu.separator(),
4148 )
4149 .when_some(reveal_in_project_panel, |menu, entry_id| {
4150 menu.entry(
4151 "Reveal In Project Panel",
4152 Some(Box::new(RevealInProjectPanel::default())),
4153 window.handler_for(&editor, move |editor, _, cx| {
4154 if let Some(project) = &mut editor.project {
4155 project.update(cx, |_, cx| {
4156 cx.emit(project::Event::RevealInProjectPanel(
4157 entry_id,
4158 ))
4159 });
4160 }
4161 }),
4162 )
4163 })
4164 .when_some(parent_abs_path, |menu, parent_abs_path| {
4165 menu.entry(
4166 "Open in Terminal",
4167 Some(Box::new(OpenInTerminal)),
4168 window.handler_for(&editor, move |_, window, cx| {
4169 window.dispatch_action(
4170 OpenTerminal {
4171 working_directory: parent_abs_path.clone(),
4172 }
4173 .boxed_clone(),
4174 cx,
4175 );
4176 }),
4177 )
4178 });
4179 }
4180
4181 menu.context(menu_context)
4182 })
4183 })
4184 }
4185
4186 fn render_blocks(
4187 &self,
4188 rows: Range<DisplayRow>,
4189 snapshot: &EditorSnapshot,
4190 hitbox: &Hitbox,
4191 text_hitbox: &Hitbox,
4192 editor_width: Pixels,
4193 scroll_width: &mut Pixels,
4194 editor_margins: &EditorMargins,
4195 em_width: Pixels,
4196 text_x: Pixels,
4197 line_height: Pixels,
4198 line_layouts: &mut [LineWithInvisibles],
4199 selections: &[Selection<Point>],
4200 selected_buffer_ids: &Vec<BufferId>,
4201 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4202 sticky_header_excerpt_id: Option<ExcerptId>,
4203 window: &mut Window,
4204 cx: &mut App,
4205 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4206 let (fixed_blocks, non_fixed_blocks) = snapshot
4207 .blocks_in_range(rows.clone())
4208 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4209
4210 let mut focused_block = self
4211 .editor
4212 .update(cx, |editor, _| editor.take_focused_block());
4213 let mut fixed_block_max_width = Pixels::ZERO;
4214 let mut blocks = Vec::new();
4215 let mut resized_blocks = HashMap::default();
4216 let mut row_block_types = HashMap::default();
4217
4218 for (row, block) in fixed_blocks {
4219 let block_id = block.id();
4220
4221 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4222 focused_block = None;
4223 }
4224
4225 if let Some((element, element_size, row, x_offset)) = self.render_block(
4226 block,
4227 AvailableSpace::MinContent,
4228 block_id,
4229 row,
4230 snapshot,
4231 text_x,
4232 &rows,
4233 line_layouts,
4234 editor_margins,
4235 line_height,
4236 em_width,
4237 text_hitbox,
4238 editor_width,
4239 scroll_width,
4240 &mut resized_blocks,
4241 &mut row_block_types,
4242 selections,
4243 selected_buffer_ids,
4244 is_row_soft_wrapped,
4245 sticky_header_excerpt_id,
4246 window,
4247 cx,
4248 ) {
4249 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4250 blocks.push(BlockLayout {
4251 id: block_id,
4252 x_offset,
4253 row: Some(row),
4254 element,
4255 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4256 style: BlockStyle::Fixed,
4257 overlaps_gutter: true,
4258 is_buffer_header: block.is_buffer_header(),
4259 });
4260 }
4261 }
4262
4263 for (row, block) in non_fixed_blocks {
4264 let style = block.style();
4265 let width = match (style, block.place_near()) {
4266 (_, true) => AvailableSpace::MinContent,
4267 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4268 (BlockStyle::Flex, _) => hitbox
4269 .size
4270 .width
4271 .max(fixed_block_max_width)
4272 .max(editor_margins.gutter.width + *scroll_width)
4273 .into(),
4274 (BlockStyle::Fixed, _) => unreachable!(),
4275 };
4276 let block_id = block.id();
4277
4278 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4279 focused_block = None;
4280 }
4281
4282 if let Some((element, element_size, row, x_offset)) = self.render_block(
4283 block,
4284 width,
4285 block_id,
4286 row,
4287 snapshot,
4288 text_x,
4289 &rows,
4290 line_layouts,
4291 editor_margins,
4292 line_height,
4293 em_width,
4294 text_hitbox,
4295 editor_width,
4296 scroll_width,
4297 &mut resized_blocks,
4298 &mut row_block_types,
4299 selections,
4300 selected_buffer_ids,
4301 is_row_soft_wrapped,
4302 sticky_header_excerpt_id,
4303 window,
4304 cx,
4305 ) {
4306 blocks.push(BlockLayout {
4307 id: block_id,
4308 x_offset,
4309 row: Some(row),
4310 element,
4311 available_space: size(width, element_size.height.into()),
4312 style,
4313 overlaps_gutter: !block.place_near(),
4314 is_buffer_header: block.is_buffer_header(),
4315 });
4316 }
4317 }
4318
4319 if let Some(focused_block) = focused_block
4320 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4321 && focus_handle.is_focused(window)
4322 && let Some(block) = snapshot.block_for_id(focused_block.id)
4323 {
4324 let style = block.style();
4325 let width = match style {
4326 BlockStyle::Fixed => AvailableSpace::MinContent,
4327 BlockStyle::Flex => AvailableSpace::Definite(
4328 hitbox
4329 .size
4330 .width
4331 .max(fixed_block_max_width)
4332 .max(editor_margins.gutter.width + *scroll_width),
4333 ),
4334 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4335 };
4336
4337 if let Some((element, element_size, _, x_offset)) = self.render_block(
4338 &block,
4339 width,
4340 focused_block.id,
4341 rows.end,
4342 snapshot,
4343 text_x,
4344 &rows,
4345 line_layouts,
4346 editor_margins,
4347 line_height,
4348 em_width,
4349 text_hitbox,
4350 editor_width,
4351 scroll_width,
4352 &mut resized_blocks,
4353 &mut row_block_types,
4354 selections,
4355 selected_buffer_ids,
4356 is_row_soft_wrapped,
4357 sticky_header_excerpt_id,
4358 window,
4359 cx,
4360 ) {
4361 blocks.push(BlockLayout {
4362 id: block.id(),
4363 x_offset,
4364 row: None,
4365 element,
4366 available_space: size(width, element_size.height.into()),
4367 style,
4368 overlaps_gutter: true,
4369 is_buffer_header: block.is_buffer_header(),
4370 });
4371 }
4372 }
4373
4374 if resized_blocks.is_empty() {
4375 *scroll_width =
4376 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4377 Ok((blocks, row_block_types))
4378 } else {
4379 Err(resized_blocks)
4380 }
4381 }
4382
4383 fn layout_blocks(
4384 &self,
4385 blocks: &mut Vec<BlockLayout>,
4386 hitbox: &Hitbox,
4387 line_height: Pixels,
4388 scroll_position: gpui::Point<ScrollOffset>,
4389 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4390 window: &mut Window,
4391 cx: &mut App,
4392 ) {
4393 for block in blocks {
4394 let mut origin = if let Some(row) = block.row {
4395 hitbox.origin
4396 + point(
4397 block.x_offset,
4398 Pixels::from(
4399 (row.as_f64() - scroll_position.y)
4400 * ScrollPixelOffset::from(line_height),
4401 ),
4402 )
4403 } else {
4404 // Position the block outside the visible area
4405 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4406 };
4407
4408 if !matches!(block.style, BlockStyle::Sticky) {
4409 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4410 }
4411
4412 let focus_handle =
4413 block
4414 .element
4415 .prepaint_as_root(origin, block.available_space, window, cx);
4416
4417 if let Some(focus_handle) = focus_handle {
4418 self.editor.update(cx, |editor, _cx| {
4419 editor.set_focused_block(FocusedBlock {
4420 id: block.id,
4421 focus_handle: focus_handle.downgrade(),
4422 });
4423 });
4424 }
4425 }
4426 }
4427
4428 fn layout_sticky_buffer_header(
4429 &self,
4430 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4431 scroll_position: gpui::Point<ScrollOffset>,
4432 line_height: Pixels,
4433 right_margin: Pixels,
4434 snapshot: &EditorSnapshot,
4435 hitbox: &Hitbox,
4436 selected_buffer_ids: &Vec<BufferId>,
4437 blocks: &[BlockLayout],
4438 window: &mut Window,
4439 cx: &mut App,
4440 ) -> AnyElement {
4441 let jump_data = header_jump_data(
4442 snapshot,
4443 DisplayRow(scroll_position.y as u32),
4444 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4445 excerpt,
4446 );
4447
4448 let editor_bg_color = cx.theme().colors().editor_background;
4449
4450 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4451
4452 let available_width = hitbox.bounds.size.width - right_margin;
4453
4454 let mut header = v_flex()
4455 .w_full()
4456 .relative()
4457 .child(
4458 div()
4459 .w(available_width)
4460 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4461 .bg(linear_gradient(
4462 0.,
4463 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4464 linear_color_stop(editor_bg_color, 0.6),
4465 ))
4466 .absolute()
4467 .top_0(),
4468 )
4469 .child(
4470 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4471 .into_any_element(),
4472 )
4473 .into_any_element();
4474
4475 let mut origin = hitbox.origin;
4476 // Move floating header up to avoid colliding with the next buffer header.
4477 for block in blocks.iter() {
4478 if !block.is_buffer_header {
4479 continue;
4480 }
4481
4482 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4483 continue;
4484 };
4485
4486 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4487 let offset = scroll_position.y - max_row as f64;
4488
4489 if offset > 0.0 {
4490 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4491 }
4492 break;
4493 }
4494
4495 let size = size(
4496 AvailableSpace::Definite(available_width),
4497 AvailableSpace::MinContent,
4498 );
4499
4500 header.prepaint_as_root(origin, size, window, cx);
4501
4502 header
4503 }
4504
4505 fn layout_cursor_popovers(
4506 &self,
4507 line_height: Pixels,
4508 text_hitbox: &Hitbox,
4509 content_origin: gpui::Point<Pixels>,
4510 right_margin: Pixels,
4511 start_row: DisplayRow,
4512 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4513 line_layouts: &[LineWithInvisibles],
4514 cursor: DisplayPoint,
4515 cursor_point: Point,
4516 style: &EditorStyle,
4517 window: &mut Window,
4518 cx: &mut App,
4519 ) -> Option<ContextMenuLayout> {
4520 let mut min_menu_height = Pixels::ZERO;
4521 let mut max_menu_height = Pixels::ZERO;
4522 let mut height_above_menu = Pixels::ZERO;
4523 let height_below_menu = Pixels::ZERO;
4524 let mut edit_prediction_popover_visible = false;
4525 let mut context_menu_visible = false;
4526 let context_menu_placement;
4527
4528 {
4529 let editor = self.editor.read(cx);
4530 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4531 {
4532 height_above_menu +=
4533 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4534 edit_prediction_popover_visible = true;
4535 }
4536
4537 if editor.context_menu_visible()
4538 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4539 {
4540 let (min_height_in_lines, max_height_in_lines) = editor
4541 .context_menu_options
4542 .as_ref()
4543 .map_or((3, 12), |options| {
4544 (options.min_entries_visible, options.max_entries_visible)
4545 });
4546
4547 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4548 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4549 context_menu_visible = true;
4550 }
4551 context_menu_placement = editor
4552 .context_menu_options
4553 .as_ref()
4554 .and_then(|options| options.placement.clone());
4555 }
4556
4557 let visible = edit_prediction_popover_visible || context_menu_visible;
4558 if !visible {
4559 return None;
4560 }
4561
4562 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4563 let target_position = content_origin
4564 + gpui::Point {
4565 x: cmp::max(
4566 px(0.),
4567 Pixels::from(
4568 ScrollPixelOffset::from(
4569 cursor_row_layout.x_for_index(cursor.column() as usize),
4570 ) - scroll_pixel_position.x,
4571 ),
4572 ),
4573 y: cmp::max(
4574 px(0.),
4575 Pixels::from(
4576 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4577 - scroll_pixel_position.y,
4578 ),
4579 ),
4580 };
4581
4582 let viewport_bounds =
4583 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4584 right: -right_margin - MENU_GAP,
4585 ..Default::default()
4586 });
4587
4588 let min_height = height_above_menu + min_menu_height + height_below_menu;
4589 let max_height = height_above_menu + max_menu_height + height_below_menu;
4590 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4591 target_position,
4592 line_height,
4593 min_height,
4594 max_height,
4595 context_menu_placement,
4596 text_hitbox,
4597 viewport_bounds,
4598 window,
4599 cx,
4600 |height, max_width_for_stable_x, y_flipped, window, cx| {
4601 // First layout the menu to get its size - others can be at least this wide.
4602 let context_menu = if context_menu_visible {
4603 let menu_height = if y_flipped {
4604 height - height_below_menu
4605 } else {
4606 height - height_above_menu
4607 };
4608 let mut element = self
4609 .render_context_menu(line_height, menu_height, window, cx)
4610 .expect("Visible context menu should always render.");
4611 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4612 Some((CursorPopoverType::CodeContextMenu, element, size))
4613 } else {
4614 None
4615 };
4616 let min_width = context_menu
4617 .as_ref()
4618 .map_or(px(0.), |(_, _, size)| size.width);
4619 let max_width = max_width_for_stable_x.max(
4620 context_menu
4621 .as_ref()
4622 .map_or(px(0.), |(_, _, size)| size.width),
4623 );
4624
4625 let edit_prediction = if edit_prediction_popover_visible {
4626 self.editor.update(cx, move |editor, cx| {
4627 let accept_binding =
4628 editor.accept_edit_prediction_keybind(false, window, cx);
4629 let mut element = editor.render_edit_prediction_cursor_popover(
4630 min_width,
4631 max_width,
4632 cursor_point,
4633 style,
4634 accept_binding.keystroke(),
4635 window,
4636 cx,
4637 )?;
4638 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4639 Some((CursorPopoverType::EditPrediction, element, size))
4640 })
4641 } else {
4642 None
4643 };
4644 vec![edit_prediction, context_menu]
4645 .into_iter()
4646 .flatten()
4647 .collect::<Vec<_>>()
4648 },
4649 )?;
4650
4651 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4652 .iter()
4653 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4654 let last_ix = laid_out_popovers.len() - 1;
4655 let menu_is_last = menu_ix == last_ix;
4656 let first_popover_bounds = laid_out_popovers[0].1;
4657 let last_popover_bounds = laid_out_popovers[last_ix].1;
4658
4659 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4660 // right, and otherwise it goes below or to the right.
4661 let mut target_bounds = Bounds::from_corners(
4662 first_popover_bounds.origin,
4663 last_popover_bounds.bottom_right(),
4664 );
4665 target_bounds.size.width = menu_bounds.size.width;
4666
4667 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4668 // based on this is preferred for layout stability.
4669 let mut max_target_bounds = target_bounds;
4670 max_target_bounds.size.height = max_height;
4671 if y_flipped {
4672 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4673 }
4674
4675 // Add spacing around `target_bounds` and `max_target_bounds`.
4676 let mut extend_amount = Edges::all(MENU_GAP);
4677 if y_flipped {
4678 extend_amount.bottom = line_height;
4679 } else {
4680 extend_amount.top = line_height;
4681 }
4682 let target_bounds = target_bounds.extend(extend_amount);
4683 let max_target_bounds = max_target_bounds.extend(extend_amount);
4684
4685 let must_place_above_or_below =
4686 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4687 laid_out_popovers[menu_ix + 1..]
4688 .iter()
4689 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4690 } else {
4691 false
4692 };
4693
4694 let aside_bounds = self.layout_context_menu_aside(
4695 y_flipped,
4696 *menu_bounds,
4697 target_bounds,
4698 max_target_bounds,
4699 max_menu_height,
4700 must_place_above_or_below,
4701 text_hitbox,
4702 viewport_bounds,
4703 window,
4704 cx,
4705 );
4706
4707 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4708 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4709 Some(*bounds)
4710 } else {
4711 None
4712 }
4713 }) {
4714 let bounds = if let Some(aside_bounds) = aside_bounds {
4715 menu_bounds.union(&aside_bounds)
4716 } else {
4717 menu_bounds
4718 };
4719 return Some(ContextMenuLayout { y_flipped, bounds });
4720 }
4721
4722 None
4723 }
4724
4725 fn layout_gutter_menu(
4726 &self,
4727 line_height: Pixels,
4728 text_hitbox: &Hitbox,
4729 content_origin: gpui::Point<Pixels>,
4730 right_margin: Pixels,
4731 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4732 gutter_overshoot: Pixels,
4733 window: &mut Window,
4734 cx: &mut App,
4735 ) {
4736 let editor = self.editor.read(cx);
4737 if !editor.context_menu_visible() {
4738 return;
4739 }
4740 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4741 editor.context_menu_origin()
4742 else {
4743 return;
4744 };
4745 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4746 // indicator than just a plain first column of the text field.
4747 let target_position = content_origin
4748 + gpui::Point {
4749 x: -gutter_overshoot,
4750 y: Pixels::from(
4751 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4752 - scroll_pixel_position.y,
4753 ),
4754 };
4755
4756 let (min_height_in_lines, max_height_in_lines) = editor
4757 .context_menu_options
4758 .as_ref()
4759 .map_or((3, 12), |options| {
4760 (options.min_entries_visible, options.max_entries_visible)
4761 });
4762
4763 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4764 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4765 let viewport_bounds =
4766 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4767 right: -right_margin - MENU_GAP,
4768 ..Default::default()
4769 });
4770 self.layout_popovers_above_or_below_line(
4771 target_position,
4772 line_height,
4773 min_height,
4774 max_height,
4775 editor
4776 .context_menu_options
4777 .as_ref()
4778 .and_then(|options| options.placement.clone()),
4779 text_hitbox,
4780 viewport_bounds,
4781 window,
4782 cx,
4783 move |height, _max_width_for_stable_x, _, window, cx| {
4784 let mut element = self
4785 .render_context_menu(line_height, height, window, cx)
4786 .expect("Visible context menu should always render.");
4787 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4788 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4789 },
4790 );
4791 }
4792
4793 fn layout_popovers_above_or_below_line(
4794 &self,
4795 target_position: gpui::Point<Pixels>,
4796 line_height: Pixels,
4797 min_height: Pixels,
4798 max_height: Pixels,
4799 placement: Option<ContextMenuPlacement>,
4800 text_hitbox: &Hitbox,
4801 viewport_bounds: Bounds<Pixels>,
4802 window: &mut Window,
4803 cx: &mut App,
4804 make_sized_popovers: impl FnOnce(
4805 Pixels,
4806 Pixels,
4807 bool,
4808 &mut Window,
4809 &mut App,
4810 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4811 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4812 let text_style = TextStyleRefinement {
4813 line_height: Some(DefiniteLength::Fraction(
4814 BufferLineHeight::Comfortable.value(),
4815 )),
4816 ..Default::default()
4817 };
4818 window.with_text_style(Some(text_style), |window| {
4819 // If the max height won't fit below and there is more space above, put it above the line.
4820 let bottom_y_when_flipped = target_position.y - line_height;
4821 let available_above = bottom_y_when_flipped - text_hitbox.top();
4822 let available_below = text_hitbox.bottom() - target_position.y;
4823 let y_overflows_below = max_height > available_below;
4824 let mut y_flipped = match placement {
4825 Some(ContextMenuPlacement::Above) => true,
4826 Some(ContextMenuPlacement::Below) => false,
4827 None => y_overflows_below && available_above > available_below,
4828 };
4829 let mut height = cmp::min(
4830 max_height,
4831 if y_flipped {
4832 available_above
4833 } else {
4834 available_below
4835 },
4836 );
4837
4838 // If the min height doesn't fit within text bounds, instead fit within the window.
4839 if height < min_height {
4840 let available_above = bottom_y_when_flipped;
4841 let available_below = viewport_bounds.bottom() - target_position.y;
4842 let (y_flipped_override, height_override) = match placement {
4843 Some(ContextMenuPlacement::Above) => {
4844 (true, cmp::min(available_above, min_height))
4845 }
4846 Some(ContextMenuPlacement::Below) => {
4847 (false, cmp::min(available_below, min_height))
4848 }
4849 None => {
4850 if available_below > min_height {
4851 (false, min_height)
4852 } else if available_above > min_height {
4853 (true, min_height)
4854 } else if available_above > available_below {
4855 (true, available_above)
4856 } else {
4857 (false, available_below)
4858 }
4859 }
4860 };
4861 y_flipped = y_flipped_override;
4862 height = height_override;
4863 }
4864
4865 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4866
4867 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4868 // for very narrow windows.
4869 let popovers =
4870 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4871 if popovers.is_empty() {
4872 return None;
4873 }
4874
4875 let max_width = popovers
4876 .iter()
4877 .map(|(_, _, size)| size.width)
4878 .max()
4879 .unwrap_or_default();
4880
4881 let mut current_position = gpui::Point {
4882 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4883 // overflow. Include space for the scrollbar.
4884 x: target_position
4885 .x
4886 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4887 y: if y_flipped {
4888 bottom_y_when_flipped
4889 } else {
4890 target_position.y
4891 },
4892 };
4893
4894 let mut laid_out_popovers = popovers
4895 .into_iter()
4896 .map(|(popover_type, element, size)| {
4897 if y_flipped {
4898 current_position.y -= size.height;
4899 }
4900 let position = current_position;
4901 window.defer_draw(element, current_position, 1);
4902 if !y_flipped {
4903 current_position.y += size.height + MENU_GAP;
4904 } else {
4905 current_position.y -= MENU_GAP;
4906 }
4907 (popover_type, Bounds::new(position, size))
4908 })
4909 .collect::<Vec<_>>();
4910
4911 if y_flipped {
4912 laid_out_popovers.reverse();
4913 }
4914
4915 Some((laid_out_popovers, y_flipped))
4916 })
4917 }
4918
4919 fn layout_context_menu_aside(
4920 &self,
4921 y_flipped: bool,
4922 menu_bounds: Bounds<Pixels>,
4923 target_bounds: Bounds<Pixels>,
4924 max_target_bounds: Bounds<Pixels>,
4925 max_height: Pixels,
4926 must_place_above_or_below: bool,
4927 text_hitbox: &Hitbox,
4928 viewport_bounds: Bounds<Pixels>,
4929 window: &mut Window,
4930 cx: &mut App,
4931 ) -> Option<Bounds<Pixels>> {
4932 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4933 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4934 && !must_place_above_or_below
4935 {
4936 let max_width = cmp::min(
4937 available_within_viewport.right - px(1.),
4938 MENU_ASIDE_MAX_WIDTH,
4939 );
4940 let mut aside = self.render_context_menu_aside(
4941 size(max_width, max_height - POPOVER_Y_PADDING),
4942 window,
4943 cx,
4944 )?;
4945 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4946 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4947 Some((aside, right_position, size))
4948 } else {
4949 let max_size = size(
4950 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4951 // won't be needed here.
4952 cmp::min(
4953 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4954 viewport_bounds.right(),
4955 ),
4956 cmp::min(
4957 max_height,
4958 cmp::max(
4959 available_within_viewport.top,
4960 available_within_viewport.bottom,
4961 ),
4962 ) - POPOVER_Y_PADDING,
4963 );
4964 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4965 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4966
4967 let top_position = point(
4968 menu_bounds.origin.x,
4969 target_bounds.top() - actual_size.height,
4970 );
4971 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4972
4973 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4974 // Prefer to fit on the same side of the line as the menu, then on the other side of
4975 // the line.
4976 if !y_flipped && wanted.height < available.bottom {
4977 Some(bottom_position)
4978 } else if !y_flipped && wanted.height < available.top {
4979 Some(top_position)
4980 } else if y_flipped && wanted.height < available.top {
4981 Some(top_position)
4982 } else if y_flipped && wanted.height < available.bottom {
4983 Some(bottom_position)
4984 } else {
4985 None
4986 }
4987 };
4988
4989 // Prefer choosing a direction using max sizes rather than actual size for stability.
4990 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4991 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4992 let aside_position = fit_within(available_within_text, wanted)
4993 // Fallback: fit max size in window.
4994 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4995 // Fallback: fit actual size in window.
4996 .or_else(|| fit_within(available_within_viewport, actual_size));
4997
4998 aside_position.map(|position| (aside, position, actual_size))
4999 };
5000
5001 // Skip drawing if it doesn't fit anywhere.
5002 if let Some((aside, position, size)) = positioned_aside {
5003 let aside_bounds = Bounds::new(position, size);
5004 window.defer_draw(aside, position, 2);
5005 return Some(aside_bounds);
5006 }
5007
5008 None
5009 }
5010
5011 fn render_context_menu(
5012 &self,
5013 line_height: Pixels,
5014 height: Pixels,
5015 window: &mut Window,
5016 cx: &mut App,
5017 ) -> Option<AnyElement> {
5018 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5019 self.editor.update(cx, |editor, cx| {
5020 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5021 })
5022 }
5023
5024 fn render_context_menu_aside(
5025 &self,
5026 max_size: Size<Pixels>,
5027 window: &mut Window,
5028 cx: &mut App,
5029 ) -> Option<AnyElement> {
5030 if max_size.width < px(100.) || max_size.height < px(12.) {
5031 None
5032 } else {
5033 self.editor.update(cx, |editor, cx| {
5034 editor.render_context_menu_aside(max_size, window, cx)
5035 })
5036 }
5037 }
5038
5039 fn layout_mouse_context_menu(
5040 &self,
5041 editor_snapshot: &EditorSnapshot,
5042 visible_range: Range<DisplayRow>,
5043 content_origin: gpui::Point<Pixels>,
5044 window: &mut Window,
5045 cx: &mut App,
5046 ) -> Option<AnyElement> {
5047 let position = self.editor.update(cx, |editor, _cx| {
5048 let visible_start_point = editor.display_to_pixel_point(
5049 DisplayPoint::new(visible_range.start, 0),
5050 editor_snapshot,
5051 window,
5052 )?;
5053 let visible_end_point = editor.display_to_pixel_point(
5054 DisplayPoint::new(visible_range.end, 0),
5055 editor_snapshot,
5056 window,
5057 )?;
5058
5059 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5060 let (source_display_point, position) = match mouse_context_menu.position {
5061 MenuPosition::PinnedToScreen(point) => (None, point),
5062 MenuPosition::PinnedToEditor { source, offset } => {
5063 let source_display_point = source.to_display_point(editor_snapshot);
5064 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5065 let position = content_origin + source_point + offset;
5066 (Some(source_display_point), position)
5067 }
5068 };
5069
5070 let source_included = source_display_point.is_none_or(|source_display_point| {
5071 visible_range
5072 .to_inclusive()
5073 .contains(&source_display_point.row())
5074 });
5075 let position_included =
5076 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5077 if !source_included && !position_included {
5078 None
5079 } else {
5080 Some(position)
5081 }
5082 })?;
5083
5084 let text_style = TextStyleRefinement {
5085 line_height: Some(DefiniteLength::Fraction(
5086 BufferLineHeight::Comfortable.value(),
5087 )),
5088 ..Default::default()
5089 };
5090 window.with_text_style(Some(text_style), |window| {
5091 let mut element = self.editor.read_with(cx, |editor, _| {
5092 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5093 let context_menu = mouse_context_menu.context_menu.clone();
5094
5095 Some(
5096 deferred(
5097 anchored()
5098 .position(position)
5099 .child(context_menu)
5100 .anchor(Corner::TopLeft)
5101 .snap_to_window_with_margin(px(8.)),
5102 )
5103 .with_priority(1)
5104 .into_any(),
5105 )
5106 })?;
5107
5108 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5109 Some(element)
5110 })
5111 }
5112
5113 fn layout_hover_popovers(
5114 &self,
5115 snapshot: &EditorSnapshot,
5116 hitbox: &Hitbox,
5117 visible_display_row_range: Range<DisplayRow>,
5118 content_origin: gpui::Point<Pixels>,
5119 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5120 line_layouts: &[LineWithInvisibles],
5121 line_height: Pixels,
5122 em_width: Pixels,
5123 context_menu_layout: Option<ContextMenuLayout>,
5124 window: &mut Window,
5125 cx: &mut App,
5126 ) {
5127 struct MeasuredHoverPopover {
5128 element: AnyElement,
5129 size: Size<Pixels>,
5130 horizontal_offset: Pixels,
5131 }
5132
5133 let max_size = size(
5134 (120. * em_width) // Default size
5135 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5136 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5137 (16. * line_height) // Default size
5138 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5139 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5140 );
5141
5142 let hover_popovers = self.editor.update(cx, |editor, cx| {
5143 editor.hover_state.render(
5144 snapshot,
5145 visible_display_row_range.clone(),
5146 max_size,
5147 &editor.text_layout_details(window),
5148 window,
5149 cx,
5150 )
5151 });
5152 let Some((popover_position, hover_popovers)) = hover_popovers else {
5153 return;
5154 };
5155
5156 // This is safe because we check on layout whether the required row is available
5157 let hovered_row_layout = &line_layouts[popover_position
5158 .row()
5159 .minus(visible_display_row_range.start)
5160 as usize];
5161
5162 // Compute Hovered Point
5163 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5164 - Pixels::from(scroll_pixel_position.x);
5165 let y = Pixels::from(
5166 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5167 - scroll_pixel_position.y,
5168 );
5169 let hovered_point = content_origin + point(x, y);
5170
5171 let mut overall_height = Pixels::ZERO;
5172 let mut measured_hover_popovers = Vec::new();
5173 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5174 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5175 let horizontal_offset =
5176 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5177 .min(Pixels::ZERO);
5178 match position {
5179 itertools::Position::Middle | itertools::Position::Last => {
5180 overall_height += HOVER_POPOVER_GAP
5181 }
5182 _ => {}
5183 }
5184 overall_height += size.height;
5185 measured_hover_popovers.push(MeasuredHoverPopover {
5186 element: hover_popover,
5187 size,
5188 horizontal_offset,
5189 });
5190 }
5191
5192 fn draw_occluder(
5193 width: Pixels,
5194 origin: gpui::Point<Pixels>,
5195 window: &mut Window,
5196 cx: &mut App,
5197 ) {
5198 let mut occlusion = div()
5199 .size_full()
5200 .occlude()
5201 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5202 .into_any_element();
5203 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5204 window.defer_draw(occlusion, origin, 2);
5205 }
5206
5207 fn place_popovers_above(
5208 hovered_point: gpui::Point<Pixels>,
5209 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5210 window: &mut Window,
5211 cx: &mut App,
5212 ) {
5213 let mut current_y = hovered_point.y;
5214 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5215 let size = popover.size;
5216 let popover_origin = point(
5217 hovered_point.x + popover.horizontal_offset,
5218 current_y - size.height,
5219 );
5220
5221 window.defer_draw(popover.element, popover_origin, 2);
5222 if position != itertools::Position::Last {
5223 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5224 draw_occluder(size.width, origin, window, cx);
5225 }
5226
5227 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5228 }
5229 }
5230
5231 fn place_popovers_below(
5232 hovered_point: gpui::Point<Pixels>,
5233 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5234 line_height: Pixels,
5235 window: &mut Window,
5236 cx: &mut App,
5237 ) {
5238 let mut current_y = hovered_point.y + line_height;
5239 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5240 let size = popover.size;
5241 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5242
5243 window.defer_draw(popover.element, popover_origin, 2);
5244 if position != itertools::Position::Last {
5245 let origin = point(popover_origin.x, popover_origin.y + size.height);
5246 draw_occluder(size.width, origin, window, cx);
5247 }
5248
5249 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5250 }
5251 }
5252
5253 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5254 context_menu_layout
5255 .as_ref()
5256 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5257 };
5258
5259 let can_place_above = {
5260 let mut bounds_above = Vec::new();
5261 let mut current_y = hovered_point.y;
5262 for popover in &measured_hover_popovers {
5263 let size = popover.size;
5264 let popover_origin = point(
5265 hovered_point.x + popover.horizontal_offset,
5266 current_y - size.height,
5267 );
5268 bounds_above.push(Bounds::new(popover_origin, size));
5269 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5270 }
5271 bounds_above
5272 .iter()
5273 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5274 };
5275
5276 let can_place_below = || {
5277 let mut bounds_below = Vec::new();
5278 let mut current_y = hovered_point.y + line_height;
5279 for popover in &measured_hover_popovers {
5280 let size = popover.size;
5281 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5282 bounds_below.push(Bounds::new(popover_origin, size));
5283 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5284 }
5285 bounds_below
5286 .iter()
5287 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5288 };
5289
5290 if can_place_above {
5291 // try placing above hovered point
5292 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5293 } else if can_place_below() {
5294 // try placing below hovered point
5295 place_popovers_below(
5296 hovered_point,
5297 measured_hover_popovers,
5298 line_height,
5299 window,
5300 cx,
5301 );
5302 } else {
5303 // try to place popovers around the context menu
5304 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5305 let total_width = measured_hover_popovers
5306 .iter()
5307 .map(|p| p.size.width)
5308 .max()
5309 .unwrap_or(Pixels::ZERO);
5310 let y_for_horizontal_positioning = if menu.y_flipped {
5311 menu.bounds.bottom() - overall_height
5312 } else {
5313 menu.bounds.top()
5314 };
5315 let possible_origins = vec![
5316 // left of context menu
5317 point(
5318 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5319 y_for_horizontal_positioning,
5320 ),
5321 // right of context menu
5322 point(
5323 menu.bounds.right() + HOVER_POPOVER_GAP,
5324 y_for_horizontal_positioning,
5325 ),
5326 // top of context menu
5327 point(
5328 menu.bounds.left(),
5329 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5330 ),
5331 // bottom of context menu
5332 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5333 ];
5334 possible_origins.into_iter().find(|&origin| {
5335 Bounds::new(origin, size(total_width, overall_height))
5336 .is_contained_within(hitbox)
5337 })
5338 });
5339 if let Some(origin) = origin_surrounding_menu {
5340 let mut current_y = origin.y;
5341 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5342 let size = popover.size;
5343 let popover_origin = point(origin.x, current_y);
5344
5345 window.defer_draw(popover.element, popover_origin, 2);
5346 if position != itertools::Position::Last {
5347 let origin = point(popover_origin.x, popover_origin.y + size.height);
5348 draw_occluder(size.width, origin, window, cx);
5349 }
5350
5351 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5352 }
5353 } else {
5354 // fallback to existing above/below cursor logic
5355 // this might overlap menu or overflow in rare case
5356 if can_place_above {
5357 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5358 } else {
5359 place_popovers_below(
5360 hovered_point,
5361 measured_hover_popovers,
5362 line_height,
5363 window,
5364 cx,
5365 );
5366 }
5367 }
5368 }
5369 }
5370
5371 fn layout_diff_hunk_controls(
5372 &self,
5373 row_range: Range<DisplayRow>,
5374 row_infos: &[RowInfo],
5375 text_hitbox: &Hitbox,
5376 newest_cursor_position: Option<DisplayPoint>,
5377 line_height: Pixels,
5378 right_margin: Pixels,
5379 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5380 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5381 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5382 editor: Entity<Editor>,
5383 window: &mut Window,
5384 cx: &mut App,
5385 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5386 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5387 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5388
5389 let mut controls = vec![];
5390 let mut control_bounds = vec![];
5391
5392 let active_positions = [
5393 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5394 newest_cursor_position,
5395 ];
5396
5397 for (hunk, _) in display_hunks {
5398 if let DisplayDiffHunk::Unfolded {
5399 display_row_range,
5400 multi_buffer_range,
5401 status,
5402 is_created_file,
5403 ..
5404 } = &hunk
5405 {
5406 if display_row_range.start < row_range.start
5407 || display_row_range.start >= row_range.end
5408 {
5409 continue;
5410 }
5411 if highlighted_rows
5412 .get(&display_row_range.start)
5413 .and_then(|highlight| highlight.type_id)
5414 .is_some_and(|type_id| {
5415 [
5416 TypeId::of::<ConflictsOuter>(),
5417 TypeId::of::<ConflictsOursMarker>(),
5418 TypeId::of::<ConflictsOurs>(),
5419 TypeId::of::<ConflictsTheirs>(),
5420 TypeId::of::<ConflictsTheirsMarker>(),
5421 ]
5422 .contains(&type_id)
5423 })
5424 {
5425 continue;
5426 }
5427 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5428 if row_infos[row_ix].diff_status.is_none() {
5429 continue;
5430 }
5431 if row_infos[row_ix]
5432 .diff_status
5433 .is_some_and(|status| status.is_added())
5434 && !status.is_added()
5435 {
5436 continue;
5437 }
5438
5439 if active_positions
5440 .iter()
5441 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5442 {
5443 let y = (display_row_range.start.as_f64()
5444 * ScrollPixelOffset::from(line_height)
5445 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5446 - scroll_pixel_position.y)
5447 .into();
5448
5449 let mut element = render_diff_hunk_controls(
5450 display_row_range.start.0,
5451 status,
5452 multi_buffer_range.clone(),
5453 *is_created_file,
5454 line_height,
5455 &editor,
5456 window,
5457 cx,
5458 );
5459 let size =
5460 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5461
5462 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5463
5464 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5465 control_bounds.push((display_row_range.start, bounds));
5466
5467 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5468 element.prepaint(window, cx)
5469 });
5470 controls.push(element);
5471 }
5472 }
5473 }
5474
5475 (controls, control_bounds)
5476 }
5477
5478 fn layout_signature_help(
5479 &self,
5480 hitbox: &Hitbox,
5481 content_origin: gpui::Point<Pixels>,
5482 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5483 newest_selection_head: Option<DisplayPoint>,
5484 start_row: DisplayRow,
5485 line_layouts: &[LineWithInvisibles],
5486 line_height: Pixels,
5487 em_width: Pixels,
5488 context_menu_layout: Option<ContextMenuLayout>,
5489 window: &mut Window,
5490 cx: &mut App,
5491 ) {
5492 if !self.editor.focus_handle(cx).is_focused(window) {
5493 return;
5494 }
5495 let Some(newest_selection_head) = newest_selection_head else {
5496 return;
5497 };
5498
5499 let max_size = size(
5500 (120. * em_width) // Default size
5501 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5502 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5503 (16. * line_height) // Default size
5504 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5505 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5506 );
5507
5508 let maybe_element = self.editor.update(cx, |editor, cx| {
5509 if let Some(popover) = editor.signature_help_state.popover_mut() {
5510 let element = popover.render(max_size, window, cx);
5511 Some(element)
5512 } else {
5513 None
5514 }
5515 });
5516 let Some(mut element) = maybe_element else {
5517 return;
5518 };
5519
5520 let selection_row = newest_selection_head.row();
5521 let Some(cursor_row_layout) = (selection_row >= start_row)
5522 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5523 .flatten()
5524 else {
5525 return;
5526 };
5527
5528 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5529 - Pixels::from(scroll_pixel_position.x);
5530 let target_y = Pixels::from(
5531 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5532 );
5533 let target_point = content_origin + point(target_x, target_y);
5534
5535 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5536
5537 let (popover_bounds_above, popover_bounds_below) = {
5538 let horizontal_offset = (hitbox.top_right().x
5539 - POPOVER_RIGHT_OFFSET
5540 - (target_point.x + actual_size.width))
5541 .min(Pixels::ZERO);
5542 let initial_x = target_point.x + horizontal_offset;
5543 (
5544 Bounds::new(
5545 point(initial_x, target_point.y - actual_size.height),
5546 actual_size,
5547 ),
5548 Bounds::new(
5549 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5550 actual_size,
5551 ),
5552 )
5553 };
5554
5555 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5556 context_menu_layout
5557 .as_ref()
5558 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5559 };
5560
5561 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5562 && !intersects_menu(popover_bounds_above)
5563 {
5564 // try placing above cursor
5565 popover_bounds_above.origin
5566 } else if popover_bounds_below.is_contained_within(hitbox)
5567 && !intersects_menu(popover_bounds_below)
5568 {
5569 // try placing below cursor
5570 popover_bounds_below.origin
5571 } else {
5572 // try surrounding context menu if exists
5573 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5574 let y_for_horizontal_positioning = if menu.y_flipped {
5575 menu.bounds.bottom() - actual_size.height
5576 } else {
5577 menu.bounds.top()
5578 };
5579 let possible_origins = vec![
5580 // left of context menu
5581 point(
5582 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5583 y_for_horizontal_positioning,
5584 ),
5585 // right of context menu
5586 point(
5587 menu.bounds.right() + HOVER_POPOVER_GAP,
5588 y_for_horizontal_positioning,
5589 ),
5590 // top of context menu
5591 point(
5592 menu.bounds.left(),
5593 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5594 ),
5595 // bottom of context menu
5596 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5597 ];
5598 possible_origins
5599 .into_iter()
5600 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5601 });
5602 origin_surrounding_menu.unwrap_or_else(|| {
5603 // fallback to existing above/below cursor logic
5604 // this might overlap menu or overflow in rare case
5605 if popover_bounds_above.is_contained_within(hitbox) {
5606 popover_bounds_above.origin
5607 } else {
5608 popover_bounds_below.origin
5609 }
5610 })
5611 };
5612
5613 window.defer_draw(element, final_origin, 2);
5614 }
5615
5616 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5617 window.paint_layer(layout.hitbox.bounds, |window| {
5618 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5619 let gutter_bg = cx.theme().colors().editor_gutter_background;
5620 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5621 window.paint_quad(fill(
5622 layout.position_map.text_hitbox.bounds,
5623 self.style.background,
5624 ));
5625
5626 if matches!(
5627 layout.mode,
5628 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5629 ) {
5630 let show_active_line_background = match layout.mode {
5631 EditorMode::Full {
5632 show_active_line_background,
5633 ..
5634 } => show_active_line_background,
5635 EditorMode::Minimap { .. } => true,
5636 _ => false,
5637 };
5638 let mut active_rows = layout.active_rows.iter().peekable();
5639 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5640 let mut end_row = start_row.0;
5641 while active_rows
5642 .peek()
5643 .is_some_and(|(active_row, has_selection)| {
5644 active_row.0 == end_row + 1
5645 && has_selection.selection == contains_non_empty_selection.selection
5646 })
5647 {
5648 active_rows.next().unwrap();
5649 end_row += 1;
5650 }
5651
5652 if show_active_line_background && !contains_non_empty_selection.selection {
5653 let highlight_h_range =
5654 match layout.position_map.snapshot.current_line_highlight {
5655 CurrentLineHighlight::Gutter => Some(Range {
5656 start: layout.hitbox.left(),
5657 end: layout.gutter_hitbox.right(),
5658 }),
5659 CurrentLineHighlight::Line => Some(Range {
5660 start: layout.position_map.text_hitbox.bounds.left(),
5661 end: layout.position_map.text_hitbox.bounds.right(),
5662 }),
5663 CurrentLineHighlight::All => Some(Range {
5664 start: layout.hitbox.left(),
5665 end: layout.hitbox.right(),
5666 }),
5667 CurrentLineHighlight::None => None,
5668 };
5669 if let Some(range) = highlight_h_range {
5670 let active_line_bg = cx.theme().colors().editor_active_line_background;
5671 let bounds = Bounds {
5672 origin: point(
5673 range.start,
5674 layout.hitbox.origin.y
5675 + Pixels::from(
5676 (start_row.as_f64() - scroll_top)
5677 * ScrollPixelOffset::from(
5678 layout.position_map.line_height,
5679 ),
5680 ),
5681 ),
5682 size: size(
5683 range.end - range.start,
5684 layout.position_map.line_height
5685 * (end_row - start_row.0 + 1) as f32,
5686 ),
5687 };
5688 window.paint_quad(fill(bounds, active_line_bg));
5689 }
5690 }
5691 }
5692
5693 let mut paint_highlight = |highlight_row_start: DisplayRow,
5694 highlight_row_end: DisplayRow,
5695 highlight: crate::LineHighlight,
5696 edges| {
5697 let mut origin_x = layout.hitbox.left();
5698 let mut width = layout.hitbox.size.width;
5699 if !highlight.include_gutter {
5700 origin_x += layout.gutter_hitbox.size.width;
5701 width -= layout.gutter_hitbox.size.width;
5702 }
5703
5704 let origin = point(
5705 origin_x,
5706 layout.hitbox.origin.y
5707 + Pixels::from(
5708 (highlight_row_start.as_f64() - scroll_top)
5709 * ScrollPixelOffset::from(layout.position_map.line_height),
5710 ),
5711 );
5712 let size = size(
5713 width,
5714 layout.position_map.line_height
5715 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5716 );
5717 let mut quad = fill(Bounds { origin, size }, highlight.background);
5718 if let Some(border_color) = highlight.border {
5719 quad.border_color = border_color;
5720 quad.border_widths = edges
5721 }
5722 window.paint_quad(quad);
5723 };
5724
5725 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5726 None;
5727 for (&new_row, &new_background) in &layout.highlighted_rows {
5728 match &mut current_paint {
5729 &mut Some((current_background, ref mut current_range, mut edges)) => {
5730 let new_range_started = current_background != new_background
5731 || current_range.end.next_row() != new_row;
5732 if new_range_started {
5733 if current_range.end.next_row() == new_row {
5734 edges.bottom = px(0.);
5735 };
5736 paint_highlight(
5737 current_range.start,
5738 current_range.end,
5739 current_background,
5740 edges,
5741 );
5742 let edges = Edges {
5743 top: if current_range.end.next_row() != new_row {
5744 px(1.)
5745 } else {
5746 px(0.)
5747 },
5748 bottom: px(1.),
5749 ..Default::default()
5750 };
5751 current_paint = Some((new_background, new_row..new_row, edges));
5752 continue;
5753 } else {
5754 current_range.end = current_range.end.next_row();
5755 }
5756 }
5757 None => {
5758 let edges = Edges {
5759 top: px(1.),
5760 bottom: px(1.),
5761 ..Default::default()
5762 };
5763 current_paint = Some((new_background, new_row..new_row, edges))
5764 }
5765 };
5766 }
5767 if let Some((color, range, edges)) = current_paint {
5768 paint_highlight(range.start, range.end, color, edges);
5769 }
5770
5771 for (guide_x, active) in layout.wrap_guides.iter() {
5772 let color = if *active {
5773 cx.theme().colors().editor_active_wrap_guide
5774 } else {
5775 cx.theme().colors().editor_wrap_guide
5776 };
5777 window.paint_quad(fill(
5778 Bounds {
5779 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5780 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5781 },
5782 color,
5783 ));
5784 }
5785 }
5786 })
5787 }
5788
5789 fn paint_indent_guides(
5790 &mut self,
5791 layout: &mut EditorLayout,
5792 window: &mut Window,
5793 cx: &mut App,
5794 ) {
5795 let Some(indent_guides) = &layout.indent_guides else {
5796 return;
5797 };
5798
5799 let faded_color = |color: Hsla, alpha: f32| {
5800 let mut faded = color;
5801 faded.a = alpha;
5802 faded
5803 };
5804
5805 for indent_guide in indent_guides {
5806 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5807 let settings = &indent_guide.settings;
5808
5809 // TODO fixed for now, expose them through themes later
5810 const INDENT_AWARE_ALPHA: f32 = 0.2;
5811 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5812 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5813 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5814
5815 let line_color = match (settings.coloring, indent_guide.active) {
5816 (IndentGuideColoring::Disabled, _) => None,
5817 (IndentGuideColoring::Fixed, false) => {
5818 Some(cx.theme().colors().editor_indent_guide)
5819 }
5820 (IndentGuideColoring::Fixed, true) => {
5821 Some(cx.theme().colors().editor_indent_guide_active)
5822 }
5823 (IndentGuideColoring::IndentAware, false) => {
5824 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5825 }
5826 (IndentGuideColoring::IndentAware, true) => {
5827 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5828 }
5829 };
5830
5831 let background_color = match (settings.background_coloring, indent_guide.active) {
5832 (IndentGuideBackgroundColoring::Disabled, _) => None,
5833 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5834 indent_accent_colors,
5835 INDENT_AWARE_BACKGROUND_ALPHA,
5836 )),
5837 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5838 indent_accent_colors,
5839 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5840 )),
5841 };
5842
5843 let requested_line_width = if indent_guide.active {
5844 settings.active_line_width
5845 } else {
5846 settings.line_width
5847 }
5848 .clamp(1, 10);
5849 let mut line_indicator_width = 0.;
5850 if let Some(color) = line_color {
5851 window.paint_quad(fill(
5852 Bounds {
5853 origin: indent_guide.origin,
5854 size: size(px(requested_line_width as f32), indent_guide.length),
5855 },
5856 color,
5857 ));
5858 line_indicator_width = requested_line_width as f32;
5859 }
5860
5861 if let Some(color) = background_color {
5862 let width = indent_guide.single_indent_width - px(line_indicator_width);
5863 window.paint_quad(fill(
5864 Bounds {
5865 origin: point(
5866 indent_guide.origin.x + px(line_indicator_width),
5867 indent_guide.origin.y,
5868 ),
5869 size: size(width, indent_guide.length),
5870 },
5871 color,
5872 ));
5873 }
5874 }
5875 }
5876
5877 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5878 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5879
5880 let line_height = layout.position_map.line_height;
5881 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5882
5883 for line_layout in layout.line_numbers.values() {
5884 for LineNumberSegment {
5885 shaped_line,
5886 hitbox,
5887 } in &line_layout.segments
5888 {
5889 let Some(hitbox) = hitbox else {
5890 continue;
5891 };
5892
5893 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5894 let color = cx.theme().colors().editor_hover_line_number;
5895
5896 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5897 line.paint(hitbox.origin, line_height, window, cx).log_err()
5898 } else {
5899 shaped_line
5900 .paint(hitbox.origin, line_height, window, cx)
5901 .log_err()
5902 }) else {
5903 continue;
5904 };
5905
5906 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5907 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5908 if is_singleton {
5909 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5910 } else {
5911 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5912 }
5913 }
5914 }
5915 }
5916
5917 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5918 if layout.display_hunks.is_empty() {
5919 return;
5920 }
5921
5922 let line_height = layout.position_map.line_height;
5923 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5924 for (hunk, hitbox) in &layout.display_hunks {
5925 let hunk_to_paint = match hunk {
5926 DisplayDiffHunk::Folded { .. } => {
5927 let hunk_bounds = Self::diff_hunk_bounds(
5928 &layout.position_map.snapshot,
5929 line_height,
5930 layout.gutter_hitbox.bounds,
5931 hunk,
5932 );
5933 Some((
5934 hunk_bounds,
5935 cx.theme().colors().version_control_modified,
5936 Corners::all(px(0.)),
5937 DiffHunkStatus::modified_none(),
5938 ))
5939 }
5940 DisplayDiffHunk::Unfolded {
5941 status,
5942 display_row_range,
5943 ..
5944 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5945 DiffHunkStatusKind::Added => (
5946 hunk_hitbox.bounds,
5947 cx.theme().colors().version_control_added,
5948 Corners::all(px(0.)),
5949 *status,
5950 ),
5951 DiffHunkStatusKind::Modified => (
5952 hunk_hitbox.bounds,
5953 cx.theme().colors().version_control_modified,
5954 Corners::all(px(0.)),
5955 *status,
5956 ),
5957 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5958 hunk_hitbox.bounds,
5959 cx.theme().colors().version_control_deleted,
5960 Corners::all(px(0.)),
5961 *status,
5962 ),
5963 DiffHunkStatusKind::Deleted => (
5964 Bounds::new(
5965 point(
5966 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5967 hunk_hitbox.origin.y,
5968 ),
5969 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5970 ),
5971 cx.theme().colors().version_control_deleted,
5972 Corners::all(1. * line_height),
5973 *status,
5974 ),
5975 }),
5976 };
5977
5978 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5979 // Flatten the background color with the editor color to prevent
5980 // elements below transparent hunks from showing through
5981 let flattened_background_color = cx
5982 .theme()
5983 .colors()
5984 .editor_background
5985 .blend(background_color);
5986
5987 if !Self::diff_hunk_hollow(status, cx) {
5988 window.paint_quad(quad(
5989 hunk_bounds,
5990 corner_radii,
5991 flattened_background_color,
5992 Edges::default(),
5993 transparent_black(),
5994 BorderStyle::default(),
5995 ));
5996 } else {
5997 let flattened_unstaged_background_color = cx
5998 .theme()
5999 .colors()
6000 .editor_background
6001 .blend(background_color.opacity(0.3));
6002
6003 window.paint_quad(quad(
6004 hunk_bounds,
6005 corner_radii,
6006 flattened_unstaged_background_color,
6007 Edges::all(px(1.0)),
6008 flattened_background_color,
6009 BorderStyle::Solid,
6010 ));
6011 }
6012 }
6013 }
6014 });
6015 }
6016
6017 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6018 (0.275 * line_height).floor()
6019 }
6020
6021 fn diff_hunk_bounds(
6022 snapshot: &EditorSnapshot,
6023 line_height: Pixels,
6024 gutter_bounds: Bounds<Pixels>,
6025 hunk: &DisplayDiffHunk,
6026 ) -> Bounds<Pixels> {
6027 let scroll_position = snapshot.scroll_position();
6028 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6029 let gutter_strip_width = Self::gutter_strip_width(line_height);
6030
6031 match hunk {
6032 DisplayDiffHunk::Folded { display_row, .. } => {
6033 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6034 - scroll_top)
6035 .into();
6036 let end_y = start_y + line_height;
6037 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6038 let highlight_size = size(gutter_strip_width, end_y - start_y);
6039 Bounds::new(highlight_origin, highlight_size)
6040 }
6041 DisplayDiffHunk::Unfolded {
6042 display_row_range,
6043 status,
6044 ..
6045 } => {
6046 if status.is_deleted() && display_row_range.is_empty() {
6047 let row = display_row_range.start;
6048
6049 let offset = ScrollPixelOffset::from(line_height / 2.);
6050 let start_y =
6051 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6052 .into();
6053 let end_y = start_y + line_height;
6054
6055 let width = (0.35 * line_height).floor();
6056 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6057 let highlight_size = size(width, end_y - start_y);
6058 Bounds::new(highlight_origin, highlight_size)
6059 } else {
6060 let start_row = display_row_range.start;
6061 let end_row = display_row_range.end;
6062 // If we're in a multibuffer, row range span might include an
6063 // excerpt header, so if we were to draw the marker straight away,
6064 // the hunk might include the rows of that header.
6065 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6066 // Instead, we simply check whether the range we're dealing with includes
6067 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6068 let end_row_in_current_excerpt = snapshot
6069 .blocks_in_range(start_row..end_row)
6070 .find_map(|(start_row, block)| {
6071 if matches!(
6072 block,
6073 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6074 ) {
6075 Some(start_row)
6076 } else {
6077 None
6078 }
6079 })
6080 .unwrap_or(end_row);
6081
6082 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6083 - scroll_top)
6084 .into();
6085 let end_y = Pixels::from(
6086 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6087 - scroll_top,
6088 );
6089
6090 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6091 let highlight_size = size(gutter_strip_width, end_y - start_y);
6092 Bounds::new(highlight_origin, highlight_size)
6093 }
6094 }
6095 }
6096 }
6097
6098 fn paint_gutter_indicators(
6099 &self,
6100 layout: &mut EditorLayout,
6101 window: &mut Window,
6102 cx: &mut App,
6103 ) {
6104 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6105 window.with_element_namespace("crease_toggles", |window| {
6106 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6107 crease_toggle.paint(window, cx);
6108 }
6109 });
6110
6111 window.with_element_namespace("expand_toggles", |window| {
6112 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6113 expand_toggle.paint(window, cx);
6114 }
6115 });
6116
6117 for breakpoint in layout.breakpoints.iter_mut() {
6118 breakpoint.paint(window, cx);
6119 }
6120
6121 for test_indicator in layout.test_indicators.iter_mut() {
6122 test_indicator.paint(window, cx);
6123 }
6124 });
6125 }
6126
6127 fn paint_gutter_highlights(
6128 &self,
6129 layout: &mut EditorLayout,
6130 window: &mut Window,
6131 cx: &mut App,
6132 ) {
6133 for (_, hunk_hitbox) in &layout.display_hunks {
6134 if let Some(hunk_hitbox) = hunk_hitbox
6135 && !self
6136 .editor
6137 .read(cx)
6138 .buffer()
6139 .read(cx)
6140 .all_diff_hunks_expanded()
6141 {
6142 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6143 }
6144 }
6145
6146 let show_git_gutter = layout
6147 .position_map
6148 .snapshot
6149 .show_git_diff_gutter
6150 .unwrap_or_else(|| {
6151 matches!(
6152 ProjectSettings::get_global(cx).git.git_gutter,
6153 GitGutterSetting::TrackedFiles
6154 )
6155 });
6156 if show_git_gutter {
6157 Self::paint_gutter_diff_hunks(layout, window, cx)
6158 }
6159
6160 let highlight_width = 0.275 * layout.position_map.line_height;
6161 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6162 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6163 for (range, color) in &layout.highlighted_gutter_ranges {
6164 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6165 layout.visible_display_row_range.start - DisplayRow(1)
6166 } else {
6167 range.start.row()
6168 };
6169 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6170 layout.visible_display_row_range.end + DisplayRow(1)
6171 } else {
6172 range.end.row()
6173 };
6174
6175 let start_y = layout.gutter_hitbox.top()
6176 + Pixels::from(
6177 start_row.0 as f64
6178 * ScrollPixelOffset::from(layout.position_map.line_height)
6179 - layout.position_map.scroll_pixel_position.y,
6180 );
6181 let end_y = layout.gutter_hitbox.top()
6182 + Pixels::from(
6183 (end_row.0 + 1) as f64
6184 * ScrollPixelOffset::from(layout.position_map.line_height)
6185 - layout.position_map.scroll_pixel_position.y,
6186 );
6187 let bounds = Bounds::from_corners(
6188 point(layout.gutter_hitbox.left(), start_y),
6189 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6190 );
6191 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6192 }
6193 });
6194 }
6195
6196 fn paint_blamed_display_rows(
6197 &self,
6198 layout: &mut EditorLayout,
6199 window: &mut Window,
6200 cx: &mut App,
6201 ) {
6202 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6203 return;
6204 };
6205
6206 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6207 for mut blame_element in blamed_display_rows.into_iter() {
6208 blame_element.paint(window, cx);
6209 }
6210 })
6211 }
6212
6213 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6214 window.with_content_mask(
6215 Some(ContentMask {
6216 bounds: layout.position_map.text_hitbox.bounds,
6217 }),
6218 |window| {
6219 let editor = self.editor.read(cx);
6220 if editor.mouse_cursor_hidden {
6221 window.set_window_cursor_style(CursorStyle::None);
6222 } else if let SelectionDragState::ReadyToDrag {
6223 mouse_down_time, ..
6224 } = &editor.selection_drag_state
6225 {
6226 let drag_and_drop_delay = Duration::from_millis(
6227 EditorSettings::get_global(cx)
6228 .drag_and_drop_selection
6229 .delay
6230 .0,
6231 );
6232 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6233 window.set_cursor_style(
6234 CursorStyle::DragCopy,
6235 &layout.position_map.text_hitbox,
6236 );
6237 }
6238 } else if matches!(
6239 editor.selection_drag_state,
6240 SelectionDragState::Dragging { .. }
6241 ) {
6242 window
6243 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6244 } else if editor
6245 .hovered_link_state
6246 .as_ref()
6247 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6248 {
6249 window.set_cursor_style(
6250 CursorStyle::PointingHand,
6251 &layout.position_map.text_hitbox,
6252 );
6253 } else {
6254 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6255 };
6256
6257 self.paint_lines_background(layout, window, cx);
6258 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6259 self.paint_document_colors(layout, window);
6260 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6261 self.paint_redactions(layout, window);
6262 self.paint_cursors(layout, window, cx);
6263 self.paint_inline_diagnostics(layout, window, cx);
6264 self.paint_inline_blame(layout, window, cx);
6265 self.paint_inline_code_actions(layout, window, cx);
6266 self.paint_diff_hunk_controls(layout, window, cx);
6267 window.with_element_namespace("crease_trailers", |window| {
6268 for trailer in layout.crease_trailers.iter_mut().flatten() {
6269 trailer.element.paint(window, cx);
6270 }
6271 });
6272 },
6273 )
6274 }
6275
6276 fn paint_highlights(
6277 &mut self,
6278 layout: &mut EditorLayout,
6279 window: &mut Window,
6280 cx: &mut App,
6281 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6282 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6283 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6284 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6285 for (range, color) in &layout.highlighted_ranges {
6286 self.paint_highlighted_range(
6287 range.clone(),
6288 true,
6289 *color,
6290 Pixels::ZERO,
6291 line_end_overshoot,
6292 layout,
6293 window,
6294 );
6295 }
6296
6297 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6298 0.15 * layout.position_map.line_height
6299 } else {
6300 Pixels::ZERO
6301 };
6302
6303 for (player_color, selections) in &layout.selections {
6304 for selection in selections.iter() {
6305 self.paint_highlighted_range(
6306 selection.range.clone(),
6307 true,
6308 player_color.selection,
6309 corner_radius,
6310 corner_radius * 2.,
6311 layout,
6312 window,
6313 );
6314
6315 if selection.is_local && !selection.range.is_empty() {
6316 invisible_display_ranges.push(selection.range.clone());
6317 }
6318 }
6319 }
6320 invisible_display_ranges
6321 })
6322 }
6323
6324 fn paint_lines(
6325 &mut self,
6326 invisible_display_ranges: &[Range<DisplayPoint>],
6327 layout: &mut EditorLayout,
6328 window: &mut Window,
6329 cx: &mut App,
6330 ) {
6331 let whitespace_setting = self
6332 .editor
6333 .read(cx)
6334 .buffer
6335 .read(cx)
6336 .language_settings(cx)
6337 .show_whitespaces;
6338
6339 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6340 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6341 line_with_invisibles.draw(
6342 layout,
6343 row,
6344 layout.content_origin,
6345 whitespace_setting,
6346 invisible_display_ranges,
6347 window,
6348 cx,
6349 )
6350 }
6351
6352 for line_element in &mut layout.line_elements {
6353 line_element.paint(window, cx);
6354 }
6355 }
6356
6357 fn paint_lines_background(
6358 &mut self,
6359 layout: &mut EditorLayout,
6360 window: &mut Window,
6361 cx: &mut App,
6362 ) {
6363 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6364 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6365 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6366 }
6367 }
6368
6369 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6370 if layout.redacted_ranges.is_empty() {
6371 return;
6372 }
6373
6374 let line_end_overshoot = layout.line_end_overshoot();
6375
6376 // A softer than perfect black
6377 let redaction_color = gpui::rgb(0x0e1111);
6378
6379 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6380 for range in layout.redacted_ranges.iter() {
6381 self.paint_highlighted_range(
6382 range.clone(),
6383 true,
6384 redaction_color.into(),
6385 Pixels::ZERO,
6386 line_end_overshoot,
6387 layout,
6388 window,
6389 );
6390 }
6391 });
6392 }
6393
6394 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6395 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6396 return;
6397 };
6398 if image_colors.is_empty()
6399 || colors_render_mode == &DocumentColorsRenderMode::None
6400 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6401 {
6402 return;
6403 }
6404
6405 let line_end_overshoot = layout.line_end_overshoot();
6406
6407 for (range, color) in image_colors {
6408 match colors_render_mode {
6409 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6410 DocumentColorsRenderMode::Background => {
6411 self.paint_highlighted_range(
6412 range.clone(),
6413 true,
6414 *color,
6415 Pixels::ZERO,
6416 line_end_overshoot,
6417 layout,
6418 window,
6419 );
6420 }
6421 DocumentColorsRenderMode::Border => {
6422 self.paint_highlighted_range(
6423 range.clone(),
6424 false,
6425 *color,
6426 Pixels::ZERO,
6427 line_end_overshoot,
6428 layout,
6429 window,
6430 );
6431 }
6432 }
6433 }
6434 }
6435
6436 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6437 for cursor in &mut layout.visible_cursors {
6438 cursor.paint(layout.content_origin, window, cx);
6439 }
6440 }
6441
6442 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6443 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6444 return;
6445 };
6446 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6447
6448 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6449 let hitbox = &scrollbar_layout.hitbox;
6450 if scrollbars_layout.visible {
6451 let scrollbar_edges = match axis {
6452 ScrollbarAxis::Horizontal => Edges {
6453 top: Pixels::ZERO,
6454 right: Pixels::ZERO,
6455 bottom: Pixels::ZERO,
6456 left: Pixels::ZERO,
6457 },
6458 ScrollbarAxis::Vertical => Edges {
6459 top: Pixels::ZERO,
6460 right: Pixels::ZERO,
6461 bottom: Pixels::ZERO,
6462 left: ScrollbarLayout::BORDER_WIDTH,
6463 },
6464 };
6465
6466 window.paint_layer(hitbox.bounds, |window| {
6467 window.paint_quad(quad(
6468 hitbox.bounds,
6469 Corners::default(),
6470 cx.theme().colors().scrollbar_track_background,
6471 scrollbar_edges,
6472 cx.theme().colors().scrollbar_track_border,
6473 BorderStyle::Solid,
6474 ));
6475
6476 if axis == ScrollbarAxis::Vertical {
6477 let fast_markers =
6478 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6479 // Refresh slow scrollbar markers in the background. Below, we
6480 // paint whatever markers have already been computed.
6481 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6482
6483 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6484 for marker in markers.iter().chain(&fast_markers) {
6485 let mut marker = marker.clone();
6486 marker.bounds.origin += hitbox.origin;
6487 window.paint_quad(marker);
6488 }
6489 }
6490
6491 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6492 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6493 ScrollbarThumbState::Dragging => {
6494 cx.theme().colors().scrollbar_thumb_active_background
6495 }
6496 ScrollbarThumbState::Hovered => {
6497 cx.theme().colors().scrollbar_thumb_hover_background
6498 }
6499 ScrollbarThumbState::Idle => {
6500 cx.theme().colors().scrollbar_thumb_background
6501 }
6502 };
6503 window.paint_quad(quad(
6504 thumb_bounds,
6505 Corners::default(),
6506 scrollbar_thumb_color,
6507 scrollbar_edges,
6508 cx.theme().colors().scrollbar_thumb_border,
6509 BorderStyle::Solid,
6510 ));
6511
6512 if any_scrollbar_dragged {
6513 window.set_window_cursor_style(CursorStyle::Arrow);
6514 } else {
6515 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6516 }
6517 }
6518 })
6519 }
6520 }
6521
6522 window.on_mouse_event({
6523 let editor = self.editor.clone();
6524 let scrollbars_layout = scrollbars_layout.clone();
6525
6526 let mut mouse_position = window.mouse_position();
6527 move |event: &MouseMoveEvent, phase, window, cx| {
6528 if phase == DispatchPhase::Capture {
6529 return;
6530 }
6531
6532 editor.update(cx, |editor, cx| {
6533 if let Some((scrollbar_layout, axis)) = event
6534 .pressed_button
6535 .filter(|button| *button == MouseButton::Left)
6536 .and(editor.scroll_manager.dragging_scrollbar_axis())
6537 .and_then(|axis| {
6538 scrollbars_layout
6539 .iter_scrollbars()
6540 .find(|(_, a)| *a == axis)
6541 })
6542 {
6543 let ScrollbarLayout {
6544 hitbox,
6545 text_unit_size,
6546 ..
6547 } = scrollbar_layout;
6548
6549 let old_position = mouse_position.along(axis);
6550 let new_position = event.position.along(axis);
6551 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6552 .contains(&old_position)
6553 {
6554 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6555 (p + ScrollOffset::from(
6556 (new_position - old_position) / *text_unit_size,
6557 ))
6558 .max(0.)
6559 });
6560 editor.set_scroll_position(position, window, cx);
6561 }
6562
6563 editor.scroll_manager.show_scrollbars(window, cx);
6564 cx.stop_propagation();
6565 } else if let Some((layout, axis)) = scrollbars_layout
6566 .get_hovered_axis(window)
6567 .filter(|_| !event.dragging())
6568 {
6569 if layout.thumb_hovered(&event.position) {
6570 editor
6571 .scroll_manager
6572 .set_hovered_scroll_thumb_axis(axis, cx);
6573 } else {
6574 editor.scroll_manager.reset_scrollbar_state(cx);
6575 }
6576
6577 editor.scroll_manager.show_scrollbars(window, cx);
6578 } else {
6579 editor.scroll_manager.reset_scrollbar_state(cx);
6580 }
6581
6582 mouse_position = event.position;
6583 })
6584 }
6585 });
6586
6587 if any_scrollbar_dragged {
6588 window.on_mouse_event({
6589 let editor = self.editor.clone();
6590 move |_: &MouseUpEvent, phase, window, cx| {
6591 if phase == DispatchPhase::Capture {
6592 return;
6593 }
6594
6595 editor.update(cx, |editor, cx| {
6596 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6597 editor
6598 .scroll_manager
6599 .set_hovered_scroll_thumb_axis(axis, cx);
6600 } else {
6601 editor.scroll_manager.reset_scrollbar_state(cx);
6602 }
6603 cx.stop_propagation();
6604 });
6605 }
6606 });
6607 } else {
6608 window.on_mouse_event({
6609 let editor = self.editor.clone();
6610
6611 move |event: &MouseDownEvent, phase, window, cx| {
6612 if phase == DispatchPhase::Capture {
6613 return;
6614 }
6615 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6616 else {
6617 return;
6618 };
6619
6620 let ScrollbarLayout {
6621 hitbox,
6622 visible_range,
6623 text_unit_size,
6624 thumb_bounds,
6625 ..
6626 } = scrollbar_layout;
6627
6628 let Some(thumb_bounds) = thumb_bounds else {
6629 return;
6630 };
6631
6632 editor.update(cx, |editor, cx| {
6633 editor
6634 .scroll_manager
6635 .set_dragged_scroll_thumb_axis(axis, cx);
6636
6637 let event_position = event.position.along(axis);
6638
6639 if event_position < thumb_bounds.origin.along(axis)
6640 || thumb_bounds.bottom_right().along(axis) < event_position
6641 {
6642 let center_position = ((event_position - hitbox.origin.along(axis))
6643 / *text_unit_size)
6644 .round() as u32;
6645 let start_position = center_position.saturating_sub(
6646 (visible_range.end - visible_range.start) as u32 / 2,
6647 );
6648
6649 let position = editor
6650 .scroll_position(cx)
6651 .apply_along(axis, |_| start_position as ScrollOffset);
6652
6653 editor.set_scroll_position(position, window, cx);
6654 } else {
6655 editor.scroll_manager.show_scrollbars(window, cx);
6656 }
6657
6658 cx.stop_propagation();
6659 });
6660 }
6661 });
6662 }
6663 }
6664
6665 fn collect_fast_scrollbar_markers(
6666 &self,
6667 layout: &EditorLayout,
6668 scrollbar_layout: &ScrollbarLayout,
6669 cx: &mut App,
6670 ) -> Vec<PaintQuad> {
6671 const LIMIT: usize = 100;
6672 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6673 return vec![];
6674 }
6675 let cursor_ranges = layout
6676 .cursors
6677 .iter()
6678 .map(|(point, color)| ColoredRange {
6679 start: point.row(),
6680 end: point.row(),
6681 color: *color,
6682 })
6683 .collect_vec();
6684 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6685 }
6686
6687 fn refresh_slow_scrollbar_markers(
6688 &self,
6689 layout: &EditorLayout,
6690 scrollbar_layout: &ScrollbarLayout,
6691 window: &mut Window,
6692 cx: &mut App,
6693 ) {
6694 self.editor.update(cx, |editor, cx| {
6695 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6696 || !editor
6697 .scrollbar_marker_state
6698 .should_refresh(scrollbar_layout.hitbox.size)
6699 {
6700 return;
6701 }
6702
6703 let scrollbar_layout = scrollbar_layout.clone();
6704 let background_highlights = editor.background_highlights.clone();
6705 let snapshot = layout.position_map.snapshot.clone();
6706 let theme = cx.theme().clone();
6707 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6708
6709 editor.scrollbar_marker_state.dirty = false;
6710 editor.scrollbar_marker_state.pending_refresh =
6711 Some(cx.spawn_in(window, async move |editor, cx| {
6712 let scrollbar_size = scrollbar_layout.hitbox.size;
6713 let scrollbar_markers = cx
6714 .background_spawn(async move {
6715 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6716 let mut marker_quads = Vec::new();
6717 if scrollbar_settings.git_diff {
6718 let marker_row_ranges =
6719 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6720 let start_display_row =
6721 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6722 .to_display_point(&snapshot.display_snapshot)
6723 .row();
6724 let mut end_display_row =
6725 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6726 .to_display_point(&snapshot.display_snapshot)
6727 .row();
6728 if end_display_row != start_display_row {
6729 end_display_row.0 -= 1;
6730 }
6731 let color = match &hunk.status().kind {
6732 DiffHunkStatusKind::Added => {
6733 theme.colors().version_control_added
6734 }
6735 DiffHunkStatusKind::Modified => {
6736 theme.colors().version_control_modified
6737 }
6738 DiffHunkStatusKind::Deleted => {
6739 theme.colors().version_control_deleted
6740 }
6741 };
6742 ColoredRange {
6743 start: start_display_row,
6744 end: end_display_row,
6745 color,
6746 }
6747 });
6748
6749 marker_quads.extend(
6750 scrollbar_layout
6751 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6752 );
6753 }
6754
6755 for (background_highlight_id, (_, background_ranges)) in
6756 background_highlights.iter()
6757 {
6758 let is_search_highlights = *background_highlight_id
6759 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6760 let is_text_highlights = *background_highlight_id
6761 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6762 let is_symbol_occurrences = *background_highlight_id
6763 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6764 || *background_highlight_id
6765 == HighlightKey::Type(
6766 TypeId::of::<DocumentHighlightWrite>(),
6767 );
6768 if (is_search_highlights && scrollbar_settings.search_results)
6769 || (is_text_highlights && scrollbar_settings.selected_text)
6770 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6771 {
6772 let mut color = theme.status().info;
6773 if is_symbol_occurrences {
6774 color.fade_out(0.5);
6775 }
6776 let marker_row_ranges = background_ranges.iter().map(|range| {
6777 let display_start = range
6778 .start
6779 .to_display_point(&snapshot.display_snapshot);
6780 let display_end =
6781 range.end.to_display_point(&snapshot.display_snapshot);
6782 ColoredRange {
6783 start: display_start.row(),
6784 end: display_end.row(),
6785 color,
6786 }
6787 });
6788 marker_quads.extend(
6789 scrollbar_layout
6790 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6791 );
6792 }
6793 }
6794
6795 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6796 let diagnostics = snapshot
6797 .buffer_snapshot()
6798 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6799 // Don't show diagnostics the user doesn't care about
6800 .filter(|diagnostic| {
6801 match (
6802 scrollbar_settings.diagnostics,
6803 diagnostic.diagnostic.severity,
6804 ) {
6805 (ScrollbarDiagnostics::All, _) => true,
6806 (
6807 ScrollbarDiagnostics::Error,
6808 lsp::DiagnosticSeverity::ERROR,
6809 ) => true,
6810 (
6811 ScrollbarDiagnostics::Warning,
6812 lsp::DiagnosticSeverity::ERROR
6813 | lsp::DiagnosticSeverity::WARNING,
6814 ) => true,
6815 (
6816 ScrollbarDiagnostics::Information,
6817 lsp::DiagnosticSeverity::ERROR
6818 | lsp::DiagnosticSeverity::WARNING
6819 | lsp::DiagnosticSeverity::INFORMATION,
6820 ) => true,
6821 (_, _) => false,
6822 }
6823 })
6824 // We want to sort by severity, in order to paint the most severe diagnostics last.
6825 .sorted_by_key(|diagnostic| {
6826 std::cmp::Reverse(diagnostic.diagnostic.severity)
6827 });
6828
6829 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6830 let start_display = diagnostic
6831 .range
6832 .start
6833 .to_display_point(&snapshot.display_snapshot);
6834 let end_display = diagnostic
6835 .range
6836 .end
6837 .to_display_point(&snapshot.display_snapshot);
6838 let color = match diagnostic.diagnostic.severity {
6839 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6840 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6841 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6842 _ => theme.status().hint,
6843 };
6844 ColoredRange {
6845 start: start_display.row(),
6846 end: end_display.row(),
6847 color,
6848 }
6849 });
6850 marker_quads.extend(
6851 scrollbar_layout
6852 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6853 );
6854 }
6855
6856 Arc::from(marker_quads)
6857 })
6858 .await;
6859
6860 editor.update(cx, |editor, cx| {
6861 editor.scrollbar_marker_state.markers = scrollbar_markers;
6862 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6863 editor.scrollbar_marker_state.pending_refresh = None;
6864 cx.notify();
6865 })?;
6866
6867 Ok(())
6868 }));
6869 });
6870 }
6871
6872 fn paint_highlighted_range(
6873 &self,
6874 range: Range<DisplayPoint>,
6875 fill: bool,
6876 color: Hsla,
6877 corner_radius: Pixels,
6878 line_end_overshoot: Pixels,
6879 layout: &EditorLayout,
6880 window: &mut Window,
6881 ) {
6882 let start_row = layout.visible_display_row_range.start;
6883 let end_row = layout.visible_display_row_range.end;
6884 if range.start != range.end {
6885 let row_range = if range.end.column() == 0 {
6886 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6887 } else {
6888 cmp::max(range.start.row(), start_row)
6889 ..cmp::min(range.end.row().next_row(), end_row)
6890 };
6891
6892 let highlighted_range = HighlightedRange {
6893 color,
6894 line_height: layout.position_map.line_height,
6895 corner_radius,
6896 start_y: layout.content_origin.y
6897 + Pixels::from(
6898 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6899 * ScrollOffset::from(layout.position_map.line_height),
6900 ),
6901 lines: row_range
6902 .iter_rows()
6903 .map(|row| {
6904 let line_layout =
6905 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6906 HighlightedRangeLine {
6907 start_x: if row == range.start.row() {
6908 layout.content_origin.x
6909 + Pixels::from(
6910 ScrollPixelOffset::from(
6911 line_layout.x_for_index(range.start.column() as usize),
6912 ) - layout.position_map.scroll_pixel_position.x,
6913 )
6914 } else {
6915 layout.content_origin.x
6916 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6917 },
6918 end_x: if row == range.end.row() {
6919 layout.content_origin.x
6920 + Pixels::from(
6921 ScrollPixelOffset::from(
6922 line_layout.x_for_index(range.end.column() as usize),
6923 ) - layout.position_map.scroll_pixel_position.x,
6924 )
6925 } else {
6926 Pixels::from(
6927 ScrollPixelOffset::from(
6928 layout.content_origin.x
6929 + line_layout.width
6930 + line_end_overshoot,
6931 ) - layout.position_map.scroll_pixel_position.x,
6932 )
6933 },
6934 }
6935 })
6936 .collect(),
6937 };
6938
6939 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6940 }
6941 }
6942
6943 fn paint_inline_diagnostics(
6944 &mut self,
6945 layout: &mut EditorLayout,
6946 window: &mut Window,
6947 cx: &mut App,
6948 ) {
6949 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6950 inline_diagnostic.1.paint(window, cx);
6951 }
6952 }
6953
6954 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6955 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6956 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6957 blame_layout.element.paint(window, cx);
6958 })
6959 }
6960 }
6961
6962 fn paint_inline_code_actions(
6963 &mut self,
6964 layout: &mut EditorLayout,
6965 window: &mut Window,
6966 cx: &mut App,
6967 ) {
6968 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6969 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6970 inline_code_actions.paint(window, cx);
6971 })
6972 }
6973 }
6974
6975 fn paint_diff_hunk_controls(
6976 &mut self,
6977 layout: &mut EditorLayout,
6978 window: &mut Window,
6979 cx: &mut App,
6980 ) {
6981 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6982 diff_hunk_control.paint(window, cx);
6983 }
6984 }
6985
6986 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6987 if let Some(mut layout) = layout.minimap.take() {
6988 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6989 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6990
6991 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6992 window.with_element_namespace("minimap", |window| {
6993 layout.minimap.paint(window, cx);
6994 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6995 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6996 ScrollbarThumbState::Idle => {
6997 cx.theme().colors().minimap_thumb_background
6998 }
6999 ScrollbarThumbState::Hovered => {
7000 cx.theme().colors().minimap_thumb_hover_background
7001 }
7002 ScrollbarThumbState::Dragging => {
7003 cx.theme().colors().minimap_thumb_active_background
7004 }
7005 };
7006 let minimap_thumb_border = match layout.thumb_border_style {
7007 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7008 MinimapThumbBorder::LeftOnly => Edges {
7009 left: ScrollbarLayout::BORDER_WIDTH,
7010 ..Default::default()
7011 },
7012 MinimapThumbBorder::LeftOpen => Edges {
7013 right: ScrollbarLayout::BORDER_WIDTH,
7014 top: ScrollbarLayout::BORDER_WIDTH,
7015 bottom: ScrollbarLayout::BORDER_WIDTH,
7016 ..Default::default()
7017 },
7018 MinimapThumbBorder::RightOpen => Edges {
7019 left: ScrollbarLayout::BORDER_WIDTH,
7020 top: ScrollbarLayout::BORDER_WIDTH,
7021 bottom: ScrollbarLayout::BORDER_WIDTH,
7022 ..Default::default()
7023 },
7024 MinimapThumbBorder::None => Default::default(),
7025 };
7026
7027 window.paint_layer(minimap_hitbox.bounds, |window| {
7028 window.paint_quad(quad(
7029 thumb_bounds,
7030 Corners::default(),
7031 minimap_thumb_color,
7032 minimap_thumb_border,
7033 cx.theme().colors().minimap_thumb_border,
7034 BorderStyle::Solid,
7035 ));
7036 });
7037 }
7038 });
7039 });
7040
7041 if dragging_minimap {
7042 window.set_window_cursor_style(CursorStyle::Arrow);
7043 } else {
7044 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7045 }
7046
7047 let minimap_axis = ScrollbarAxis::Vertical;
7048 let pixels_per_line = Pixels::from(
7049 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7050 )
7051 .min(layout.minimap_line_height);
7052
7053 let mut mouse_position = window.mouse_position();
7054
7055 window.on_mouse_event({
7056 let editor = self.editor.clone();
7057
7058 let minimap_hitbox = minimap_hitbox.clone();
7059
7060 move |event: &MouseMoveEvent, phase, window, cx| {
7061 if phase == DispatchPhase::Capture {
7062 return;
7063 }
7064
7065 editor.update(cx, |editor, cx| {
7066 if event.pressed_button == Some(MouseButton::Left)
7067 && editor.scroll_manager.is_dragging_minimap()
7068 {
7069 let old_position = mouse_position.along(minimap_axis);
7070 let new_position = event.position.along(minimap_axis);
7071 if (minimap_hitbox.origin.along(minimap_axis)
7072 ..minimap_hitbox.bottom_right().along(minimap_axis))
7073 .contains(&old_position)
7074 {
7075 let position =
7076 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7077 (p + ScrollPixelOffset::from(
7078 (new_position - old_position) / pixels_per_line,
7079 ))
7080 .max(0.)
7081 });
7082
7083 editor.set_scroll_position(position, window, cx);
7084 }
7085 cx.stop_propagation();
7086 } else if minimap_hitbox.is_hovered(window) {
7087 editor.scroll_manager.set_is_hovering_minimap_thumb(
7088 !event.dragging()
7089 && layout
7090 .thumb_layout
7091 .thumb_bounds
7092 .is_some_and(|bounds| bounds.contains(&event.position)),
7093 cx,
7094 );
7095
7096 // Stop hover events from propagating to the
7097 // underlying editor if the minimap hitbox is hovered
7098 if !event.dragging() {
7099 cx.stop_propagation();
7100 }
7101 } else {
7102 editor.scroll_manager.hide_minimap_thumb(cx);
7103 }
7104 mouse_position = event.position;
7105 });
7106 }
7107 });
7108
7109 if dragging_minimap {
7110 window.on_mouse_event({
7111 let editor = self.editor.clone();
7112 move |event: &MouseUpEvent, phase, window, cx| {
7113 if phase == DispatchPhase::Capture {
7114 return;
7115 }
7116
7117 editor.update(cx, |editor, cx| {
7118 if minimap_hitbox.is_hovered(window) {
7119 editor.scroll_manager.set_is_hovering_minimap_thumb(
7120 layout
7121 .thumb_layout
7122 .thumb_bounds
7123 .is_some_and(|bounds| bounds.contains(&event.position)),
7124 cx,
7125 );
7126 } else {
7127 editor.scroll_manager.hide_minimap_thumb(cx);
7128 }
7129 cx.stop_propagation();
7130 });
7131 }
7132 });
7133 } else {
7134 window.on_mouse_event({
7135 let editor = self.editor.clone();
7136
7137 move |event: &MouseDownEvent, phase, window, cx| {
7138 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7139 return;
7140 }
7141
7142 let event_position = event.position;
7143
7144 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7145 return;
7146 };
7147
7148 editor.update(cx, |editor, cx| {
7149 if !thumb_bounds.contains(&event_position) {
7150 let click_position =
7151 event_position.relative_to(&minimap_hitbox.origin).y;
7152
7153 let top_position = (click_position
7154 - thumb_bounds.size.along(minimap_axis) / 2.0)
7155 .max(Pixels::ZERO);
7156
7157 let scroll_offset = (layout.minimap_scroll_top
7158 + ScrollPixelOffset::from(
7159 top_position / layout.minimap_line_height,
7160 ))
7161 .min(layout.max_scroll_top);
7162
7163 let scroll_position = editor
7164 .scroll_position(cx)
7165 .apply_along(minimap_axis, |_| scroll_offset);
7166 editor.set_scroll_position(scroll_position, window, cx);
7167 }
7168
7169 editor.scroll_manager.set_is_dragging_minimap(cx);
7170 cx.stop_propagation();
7171 });
7172 }
7173 });
7174 }
7175 }
7176 }
7177
7178 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7179 for mut block in layout.blocks.drain(..) {
7180 if block.overlaps_gutter {
7181 block.element.paint(window, cx);
7182 } else {
7183 let mut bounds = layout.hitbox.bounds;
7184 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7185 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7186 block.element.paint(window, cx);
7187 })
7188 }
7189 }
7190 }
7191
7192 fn paint_edit_prediction_popover(
7193 &mut self,
7194 layout: &mut EditorLayout,
7195 window: &mut Window,
7196 cx: &mut App,
7197 ) {
7198 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7199 edit_prediction_popover.paint(window, cx);
7200 }
7201 }
7202
7203 fn paint_mouse_context_menu(
7204 &mut self,
7205 layout: &mut EditorLayout,
7206 window: &mut Window,
7207 cx: &mut App,
7208 ) {
7209 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7210 mouse_context_menu.paint(window, cx);
7211 }
7212 }
7213
7214 fn paint_scroll_wheel_listener(
7215 &mut self,
7216 layout: &EditorLayout,
7217 window: &mut Window,
7218 cx: &mut App,
7219 ) {
7220 window.on_mouse_event({
7221 let position_map = layout.position_map.clone();
7222 let editor = self.editor.clone();
7223 let hitbox = layout.hitbox.clone();
7224 let mut delta = ScrollDelta::default();
7225
7226 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7227 // accidentally turn off their scrolling.
7228 let base_scroll_sensitivity =
7229 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7230
7231 // Use a minimum fast_scroll_sensitivity for same reason above
7232 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7233 .fast_scroll_sensitivity
7234 .max(0.01);
7235
7236 move |event: &ScrollWheelEvent, phase, window, cx| {
7237 let scroll_sensitivity = {
7238 if event.modifiers.alt {
7239 fast_scroll_sensitivity
7240 } else {
7241 base_scroll_sensitivity
7242 }
7243 };
7244
7245 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7246 delta = delta.coalesce(event.delta);
7247 editor.update(cx, |editor, cx| {
7248 let position_map: &PositionMap = &position_map;
7249
7250 let line_height = position_map.line_height;
7251 let max_glyph_advance = position_map.em_advance;
7252 let (delta, axis) = match delta {
7253 gpui::ScrollDelta::Pixels(mut pixels) => {
7254 //Trackpad
7255 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7256 (pixels, axis)
7257 }
7258
7259 gpui::ScrollDelta::Lines(lines) => {
7260 //Not trackpad
7261 let pixels =
7262 point(lines.x * max_glyph_advance, lines.y * line_height);
7263 (pixels, None)
7264 }
7265 };
7266
7267 let current_scroll_position = position_map.snapshot.scroll_position();
7268 let x = (current_scroll_position.x
7269 * ScrollPixelOffset::from(max_glyph_advance)
7270 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7271 / ScrollPixelOffset::from(max_glyph_advance);
7272 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7273 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7274 / ScrollPixelOffset::from(line_height);
7275 let mut scroll_position =
7276 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7277 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7278 if forbid_vertical_scroll {
7279 scroll_position.y = current_scroll_position.y;
7280 }
7281
7282 if scroll_position != current_scroll_position {
7283 editor.scroll(scroll_position, axis, window, cx);
7284 cx.stop_propagation();
7285 } else if y < 0. {
7286 // Due to clamping, we may fail to detect cases of overscroll to the top;
7287 // We want the scroll manager to get an update in such cases and detect the change of direction
7288 // on the next frame.
7289 cx.notify();
7290 }
7291 });
7292 }
7293 }
7294 });
7295 }
7296
7297 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7298 if layout.mode.is_minimap() {
7299 return;
7300 }
7301
7302 self.paint_scroll_wheel_listener(layout, window, cx);
7303
7304 window.on_mouse_event({
7305 let position_map = layout.position_map.clone();
7306 let editor = self.editor.clone();
7307 let line_numbers = layout.line_numbers.clone();
7308
7309 move |event: &MouseDownEvent, phase, window, cx| {
7310 if phase == DispatchPhase::Bubble {
7311 match event.button {
7312 MouseButton::Left => editor.update(cx, |editor, cx| {
7313 let pending_mouse_down = editor
7314 .pending_mouse_down
7315 .get_or_insert_with(Default::default)
7316 .clone();
7317
7318 *pending_mouse_down.borrow_mut() = Some(event.clone());
7319
7320 Self::mouse_left_down(
7321 editor,
7322 event,
7323 &position_map,
7324 line_numbers.as_ref(),
7325 window,
7326 cx,
7327 );
7328 }),
7329 MouseButton::Right => editor.update(cx, |editor, cx| {
7330 Self::mouse_right_down(editor, event, &position_map, window, cx);
7331 }),
7332 MouseButton::Middle => editor.update(cx, |editor, cx| {
7333 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7334 }),
7335 _ => {}
7336 };
7337 }
7338 }
7339 });
7340
7341 window.on_mouse_event({
7342 let editor = self.editor.clone();
7343 let position_map = layout.position_map.clone();
7344
7345 move |event: &MouseUpEvent, phase, window, cx| {
7346 if phase == DispatchPhase::Bubble {
7347 editor.update(cx, |editor, cx| {
7348 Self::mouse_up(editor, event, &position_map, window, cx)
7349 });
7350 }
7351 }
7352 });
7353
7354 window.on_mouse_event({
7355 let editor = self.editor.clone();
7356 let position_map = layout.position_map.clone();
7357 let mut captured_mouse_down = None;
7358
7359 move |event: &MouseUpEvent, phase, window, cx| match phase {
7360 // Clear the pending mouse down during the capture phase,
7361 // so that it happens even if another event handler stops
7362 // propagation.
7363 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7364 let pending_mouse_down = editor
7365 .pending_mouse_down
7366 .get_or_insert_with(Default::default)
7367 .clone();
7368
7369 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7370 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7371 captured_mouse_down = pending_mouse_down.take();
7372 window.refresh();
7373 }
7374 }),
7375 // Fire click handlers during the bubble phase.
7376 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7377 if let Some(mouse_down) = captured_mouse_down.take() {
7378 let event = ClickEvent::Mouse(MouseClickEvent {
7379 down: mouse_down,
7380 up: event.clone(),
7381 });
7382 Self::click(editor, &event, &position_map, window, cx);
7383 }
7384 }),
7385 }
7386 });
7387
7388 window.on_mouse_event({
7389 let position_map = layout.position_map.clone();
7390 let editor = self.editor.clone();
7391
7392 move |event: &MouseMoveEvent, phase, window, cx| {
7393 if phase == DispatchPhase::Bubble {
7394 editor.update(cx, |editor, cx| {
7395 if editor.hover_state.focused(window, cx) {
7396 return;
7397 }
7398 if event.pressed_button == Some(MouseButton::Left)
7399 || event.pressed_button == Some(MouseButton::Middle)
7400 {
7401 Self::mouse_dragged(editor, event, &position_map, window, cx)
7402 }
7403
7404 Self::mouse_moved(editor, event, &position_map, window, cx)
7405 });
7406 }
7407 }
7408 });
7409 }
7410
7411 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7412 let style = &self.style;
7413 let font_size = style.text.font_size.to_pixels(window.rem_size());
7414 let layout = window.text_system().shape_line(
7415 SharedString::from(" ".repeat(column)),
7416 font_size,
7417 &[TextRun {
7418 len: column,
7419 font: style.text.font(),
7420 color: Hsla::default(),
7421 background_color: None,
7422 underline: None,
7423 strikethrough: None,
7424 }],
7425 None,
7426 );
7427
7428 layout.width
7429 }
7430
7431 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7432 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7433 self.column_pixels(digit_count as usize, window)
7434 }
7435
7436 fn shape_line_number(
7437 &self,
7438 text: SharedString,
7439 color: Hsla,
7440 window: &mut Window,
7441 ) -> ShapedLine {
7442 let run = TextRun {
7443 len: text.len(),
7444 font: self.style.text.font(),
7445 color,
7446 background_color: None,
7447 underline: None,
7448 strikethrough: None,
7449 };
7450 window.text_system().shape_line(
7451 text,
7452 self.style.text.font_size.to_pixels(window.rem_size()),
7453 &[run],
7454 None,
7455 )
7456 }
7457
7458 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7459 let unstaged = status.has_secondary_hunk();
7460 let unstaged_hollow = matches!(
7461 ProjectSettings::get_global(cx).git.hunk_style,
7462 GitHunkStyleSetting::UnstagedHollow
7463 );
7464
7465 unstaged == unstaged_hollow
7466 }
7467
7468 #[cfg(debug_assertions)]
7469 fn layout_debug_ranges(
7470 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7471 anchor_range: Range<Anchor>,
7472 display_snapshot: &DisplaySnapshot,
7473 cx: &App,
7474 ) {
7475 let theme = cx.theme();
7476 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7477 if debug_ranges.ranges.is_empty() {
7478 return;
7479 }
7480 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7481 for (buffer, buffer_range, excerpt_id) in
7482 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7483 {
7484 let buffer_range =
7485 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7486 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7487 let player_color = theme
7488 .players()
7489 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7490 debug_range.ranges.iter().filter_map(move |range| {
7491 if range.start.buffer_id != Some(buffer.remote_id()) {
7492 return None;
7493 }
7494 let clipped_start = range.start.max(&buffer_range.start, buffer);
7495 let clipped_end = range.end.min(&buffer_range.end, buffer);
7496 let range = buffer_snapshot
7497 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7498 let start = range.start.to_display_point(display_snapshot);
7499 let end = range.end.to_display_point(display_snapshot);
7500 let selection_layout = SelectionLayout {
7501 head: start,
7502 range: start..end,
7503 cursor_shape: CursorShape::Bar,
7504 is_newest: false,
7505 is_local: false,
7506 active_rows: start.row()..end.row(),
7507 user_name: Some(SharedString::new(debug_range.value.clone())),
7508 };
7509 Some((player_color, vec![selection_layout]))
7510 })
7511 }));
7512 }
7513 });
7514 }
7515}
7516
7517fn header_jump_data(
7518 snapshot: &EditorSnapshot,
7519 block_row_start: DisplayRow,
7520 height: u32,
7521 for_excerpt: &ExcerptInfo,
7522) -> JumpData {
7523 let range = &for_excerpt.range;
7524 let buffer = &for_excerpt.buffer;
7525 let jump_anchor = range.primary.start;
7526
7527 let excerpt_start = range.context.start;
7528 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7529 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7530 0
7531 } else {
7532 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7533 jump_position.row.saturating_sub(excerpt_start_point.row)
7534 };
7535
7536 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7537 .saturating_sub(
7538 snapshot
7539 .scroll_anchor
7540 .scroll_position(&snapshot.display_snapshot)
7541 .y as u32,
7542 );
7543
7544 JumpData::MultiBufferPoint {
7545 excerpt_id: for_excerpt.id,
7546 anchor: jump_anchor,
7547 position: jump_position,
7548 line_offset_from_top,
7549 }
7550}
7551
7552pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7553
7554impl AcceptEditPredictionBinding {
7555 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7556 if let Some(binding) = self.0.as_ref() {
7557 match &binding.keystrokes() {
7558 [keystroke, ..] => Some(keystroke),
7559 _ => None,
7560 }
7561 } else {
7562 None
7563 }
7564 }
7565}
7566
7567fn prepaint_gutter_button(
7568 button: IconButton,
7569 row: DisplayRow,
7570 line_height: Pixels,
7571 gutter_dimensions: &GutterDimensions,
7572 scroll_position: gpui::Point<ScrollOffset>,
7573 gutter_hitbox: &Hitbox,
7574 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7575 window: &mut Window,
7576 cx: &mut App,
7577) -> AnyElement {
7578 let mut button = button.into_any_element();
7579
7580 let available_space = size(
7581 AvailableSpace::MinContent,
7582 AvailableSpace::Definite(line_height),
7583 );
7584 let indicator_size = button.layout_as_root(available_space, window, cx);
7585
7586 let blame_width = gutter_dimensions.git_blame_entries_width;
7587 let gutter_width = display_hunks
7588 .binary_search_by(|(hunk, _)| match hunk {
7589 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7590 DisplayDiffHunk::Unfolded {
7591 display_row_range, ..
7592 } => {
7593 if display_row_range.end <= row {
7594 Ordering::Less
7595 } else if display_row_range.start > row {
7596 Ordering::Greater
7597 } else {
7598 Ordering::Equal
7599 }
7600 }
7601 })
7602 .ok()
7603 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7604 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7605
7606 let mut x = left_offset;
7607 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7608 - indicator_size.width
7609 - left_offset;
7610 x += available_width / 2.;
7611
7612 let mut y =
7613 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7614 y += (line_height - indicator_size.height) / 2.;
7615
7616 button.prepaint_as_root(
7617 gutter_hitbox.origin + point(x, y),
7618 available_space,
7619 window,
7620 cx,
7621 );
7622 button
7623}
7624
7625fn render_inline_blame_entry(
7626 blame_entry: BlameEntry,
7627 style: &EditorStyle,
7628 cx: &mut App,
7629) -> Option<AnyElement> {
7630 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7631 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7632}
7633
7634fn render_blame_entry_popover(
7635 blame_entry: BlameEntry,
7636 scroll_handle: ScrollHandle,
7637 commit_message: Option<ParsedCommitMessage>,
7638 markdown: Entity<Markdown>,
7639 workspace: WeakEntity<Workspace>,
7640 blame: &Entity<GitBlame>,
7641 buffer: BufferId,
7642 window: &mut Window,
7643 cx: &mut App,
7644) -> Option<AnyElement> {
7645 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7646 let blame = blame.read(cx);
7647 let repository = blame.repository(cx, buffer)?;
7648 renderer.render_blame_entry_popover(
7649 blame_entry,
7650 scroll_handle,
7651 commit_message,
7652 markdown,
7653 repository,
7654 workspace,
7655 window,
7656 cx,
7657 )
7658}
7659
7660fn render_blame_entry(
7661 ix: usize,
7662 blame: &Entity<GitBlame>,
7663 blame_entry: BlameEntry,
7664 style: &EditorStyle,
7665 last_used_color: &mut Option<(Hsla, Oid)>,
7666 editor: Entity<Editor>,
7667 workspace: Entity<Workspace>,
7668 buffer: BufferId,
7669 renderer: &dyn BlameRenderer,
7670 window: &mut Window,
7671 cx: &mut App,
7672) -> Option<AnyElement> {
7673 let index: u32 = blame_entry.sha.into();
7674 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7675
7676 // If the last color we used is the same as the one we get for this line, but
7677 // the commit SHAs are different, then we try again to get a different color.
7678 if let Some((color, sha)) = *last_used_color
7679 && sha != blame_entry.sha
7680 && color == sha_color
7681 {
7682 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7683 }
7684 last_used_color.replace((sha_color, blame_entry.sha));
7685
7686 let blame = blame.read(cx);
7687 let details = blame.details_for_entry(buffer, &blame_entry);
7688 let repository = blame.repository(cx, buffer)?;
7689 renderer.render_blame_entry(
7690 &style.text,
7691 blame_entry,
7692 details,
7693 repository,
7694 workspace.downgrade(),
7695 editor,
7696 ix,
7697 sha_color,
7698 window,
7699 cx,
7700 )
7701}
7702
7703#[derive(Debug)]
7704pub(crate) struct LineWithInvisibles {
7705 fragments: SmallVec<[LineFragment; 1]>,
7706 invisibles: Vec<Invisible>,
7707 len: usize,
7708 pub(crate) width: Pixels,
7709 font_size: Pixels,
7710}
7711
7712enum LineFragment {
7713 Text(ShapedLine),
7714 Element {
7715 id: ChunkRendererId,
7716 element: Option<AnyElement>,
7717 size: Size<Pixels>,
7718 len: usize,
7719 },
7720}
7721
7722impl fmt::Debug for LineFragment {
7723 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7724 match self {
7725 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7726 LineFragment::Element { size, len, .. } => f
7727 .debug_struct("Element")
7728 .field("size", size)
7729 .field("len", len)
7730 .finish(),
7731 }
7732 }
7733}
7734
7735impl LineWithInvisibles {
7736 fn from_chunks<'a>(
7737 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7738 editor_style: &EditorStyle,
7739 max_line_len: usize,
7740 max_line_count: usize,
7741 editor_mode: &EditorMode,
7742 text_width: Pixels,
7743 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7744 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7745 window: &mut Window,
7746 cx: &mut App,
7747 ) -> Vec<Self> {
7748 let text_style = &editor_style.text;
7749 let mut layouts = Vec::with_capacity(max_line_count);
7750 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7751 let mut line = String::new();
7752 let mut invisibles = Vec::new();
7753 let mut width = Pixels::ZERO;
7754 let mut len = 0;
7755 let mut styles = Vec::new();
7756 let mut non_whitespace_added = false;
7757 let mut row = 0;
7758 let mut line_exceeded_max_len = false;
7759 let font_size = text_style.font_size.to_pixels(window.rem_size());
7760 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7761
7762 let ellipsis = SharedString::from("β―");
7763
7764 for highlighted_chunk in chunks.chain([HighlightedChunk {
7765 text: "\n",
7766 style: None,
7767 is_tab: false,
7768 is_inlay: false,
7769 replacement: None,
7770 }]) {
7771 if let Some(replacement) = highlighted_chunk.replacement {
7772 if !line.is_empty() {
7773 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7774 let text_runs: &[TextRun] = if segments.is_empty() {
7775 &styles
7776 } else {
7777 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7778 };
7779 let shaped_line = window.text_system().shape_line(
7780 line.clone().into(),
7781 font_size,
7782 text_runs,
7783 None,
7784 );
7785 width += shaped_line.width;
7786 len += shaped_line.len;
7787 fragments.push(LineFragment::Text(shaped_line));
7788 line.clear();
7789 styles.clear();
7790 }
7791
7792 match replacement {
7793 ChunkReplacement::Renderer(renderer) => {
7794 let available_width = if renderer.constrain_width {
7795 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7796 ellipsis.clone()
7797 } else {
7798 SharedString::from(Arc::from(highlighted_chunk.text))
7799 };
7800 let shaped_line = window.text_system().shape_line(
7801 chunk,
7802 font_size,
7803 &[text_style.to_run(highlighted_chunk.text.len())],
7804 None,
7805 );
7806 AvailableSpace::Definite(shaped_line.width)
7807 } else {
7808 AvailableSpace::MinContent
7809 };
7810
7811 let mut element = (renderer.render)(&mut ChunkRendererContext {
7812 context: cx,
7813 window,
7814 max_width: text_width,
7815 });
7816 let line_height = text_style.line_height_in_pixels(window.rem_size());
7817 let size = element.layout_as_root(
7818 size(available_width, AvailableSpace::Definite(line_height)),
7819 window,
7820 cx,
7821 );
7822
7823 width += size.width;
7824 len += highlighted_chunk.text.len();
7825 fragments.push(LineFragment::Element {
7826 id: renderer.id,
7827 element: Some(element),
7828 size,
7829 len: highlighted_chunk.text.len(),
7830 });
7831 }
7832 ChunkReplacement::Str(x) => {
7833 let text_style = if let Some(style) = highlighted_chunk.style {
7834 Cow::Owned(text_style.clone().highlight(style))
7835 } else {
7836 Cow::Borrowed(text_style)
7837 };
7838
7839 let run = TextRun {
7840 len: x.len(),
7841 font: text_style.font(),
7842 color: text_style.color,
7843 background_color: text_style.background_color,
7844 underline: text_style.underline,
7845 strikethrough: text_style.strikethrough,
7846 };
7847 let line_layout = window
7848 .text_system()
7849 .shape_line(x, font_size, &[run], None)
7850 .with_len(highlighted_chunk.text.len());
7851
7852 width += line_layout.width;
7853 len += highlighted_chunk.text.len();
7854 fragments.push(LineFragment::Text(line_layout))
7855 }
7856 }
7857 } else {
7858 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7859 if ix > 0 {
7860 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7861 let text_runs = if segments.is_empty() {
7862 &styles
7863 } else {
7864 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7865 };
7866 let shaped_line = window.text_system().shape_line(
7867 line.clone().into(),
7868 font_size,
7869 text_runs,
7870 None,
7871 );
7872 width += shaped_line.width;
7873 len += shaped_line.len;
7874 fragments.push(LineFragment::Text(shaped_line));
7875 layouts.push(Self {
7876 width: mem::take(&mut width),
7877 len: mem::take(&mut len),
7878 fragments: mem::take(&mut fragments),
7879 invisibles: std::mem::take(&mut invisibles),
7880 font_size,
7881 });
7882
7883 line.clear();
7884 styles.clear();
7885 row += 1;
7886 line_exceeded_max_len = false;
7887 non_whitespace_added = false;
7888 if row == max_line_count {
7889 return layouts;
7890 }
7891 }
7892
7893 if !line_chunk.is_empty() && !line_exceeded_max_len {
7894 let text_style = if let Some(style) = highlighted_chunk.style {
7895 Cow::Owned(text_style.clone().highlight(style))
7896 } else {
7897 Cow::Borrowed(text_style)
7898 };
7899
7900 if line.len() + line_chunk.len() > max_line_len {
7901 let mut chunk_len = max_line_len - line.len();
7902 while !line_chunk.is_char_boundary(chunk_len) {
7903 chunk_len -= 1;
7904 }
7905 line_chunk = &line_chunk[..chunk_len];
7906 line_exceeded_max_len = true;
7907 }
7908
7909 styles.push(TextRun {
7910 len: line_chunk.len(),
7911 font: text_style.font(),
7912 color: text_style.color,
7913 background_color: text_style.background_color,
7914 underline: text_style.underline,
7915 strikethrough: text_style.strikethrough,
7916 });
7917
7918 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7919 // Line wrap pads its contents with fake whitespaces,
7920 // avoid printing them
7921 let is_soft_wrapped = is_row_soft_wrapped(row);
7922 if highlighted_chunk.is_tab {
7923 if non_whitespace_added || !is_soft_wrapped {
7924 invisibles.push(Invisible::Tab {
7925 line_start_offset: line.len(),
7926 line_end_offset: line.len() + line_chunk.len(),
7927 });
7928 }
7929 } else {
7930 invisibles.extend(line_chunk.char_indices().filter_map(
7931 |(index, c)| {
7932 let is_whitespace = c.is_whitespace();
7933 non_whitespace_added |= !is_whitespace;
7934 if is_whitespace
7935 && (non_whitespace_added || !is_soft_wrapped)
7936 {
7937 Some(Invisible::Whitespace {
7938 line_offset: line.len() + index,
7939 })
7940 } else {
7941 None
7942 }
7943 },
7944 ))
7945 }
7946 }
7947
7948 line.push_str(line_chunk);
7949 }
7950 }
7951 }
7952 }
7953
7954 layouts
7955 }
7956
7957 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7958 /// Returns new text runs with adjusted contrast as per background ranges.
7959 fn split_runs_by_bg_segments(
7960 text_runs: &[TextRun],
7961 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7962 min_contrast: f32,
7963 start_col_offset: usize,
7964 ) -> Vec<TextRun> {
7965 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7966 let mut line_col = start_col_offset;
7967 let mut segment_ix = 0usize;
7968
7969 for text_run in text_runs.iter() {
7970 let run_start_col = line_col;
7971 let run_end_col = run_start_col + text_run.len;
7972 while segment_ix < bg_segments.len()
7973 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7974 {
7975 segment_ix += 1;
7976 }
7977 let mut cursor_col = run_start_col;
7978 let mut local_segment_ix = segment_ix;
7979 while local_segment_ix < bg_segments.len() {
7980 let (range, segment_color) = &bg_segments[local_segment_ix];
7981 let segment_start_col = range.start.column() as usize;
7982 let segment_end_col = range.end.column() as usize;
7983 if segment_start_col >= run_end_col {
7984 break;
7985 }
7986 if segment_start_col > cursor_col {
7987 let span_len = segment_start_col - cursor_col;
7988 output_runs.push(TextRun {
7989 len: span_len,
7990 font: text_run.font.clone(),
7991 color: text_run.color,
7992 background_color: text_run.background_color,
7993 underline: text_run.underline,
7994 strikethrough: text_run.strikethrough,
7995 });
7996 cursor_col = segment_start_col;
7997 }
7998 let segment_slice_end_col = segment_end_col.min(run_end_col);
7999 if segment_slice_end_col > cursor_col {
8000 let new_text_color =
8001 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
8002 output_runs.push(TextRun {
8003 len: segment_slice_end_col - cursor_col,
8004 font: text_run.font.clone(),
8005 color: new_text_color,
8006 background_color: text_run.background_color,
8007 underline: text_run.underline,
8008 strikethrough: text_run.strikethrough,
8009 });
8010 cursor_col = segment_slice_end_col;
8011 }
8012 if segment_end_col >= run_end_col {
8013 break;
8014 }
8015 local_segment_ix += 1;
8016 }
8017 if cursor_col < run_end_col {
8018 output_runs.push(TextRun {
8019 len: run_end_col - cursor_col,
8020 font: text_run.font.clone(),
8021 color: text_run.color,
8022 background_color: text_run.background_color,
8023 underline: text_run.underline,
8024 strikethrough: text_run.strikethrough,
8025 });
8026 }
8027 line_col = run_end_col;
8028 segment_ix = local_segment_ix;
8029 }
8030 output_runs
8031 }
8032
8033 fn prepaint(
8034 &mut self,
8035 line_height: Pixels,
8036 scroll_position: gpui::Point<ScrollOffset>,
8037 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8038 row: DisplayRow,
8039 content_origin: gpui::Point<Pixels>,
8040 line_elements: &mut SmallVec<[AnyElement; 1]>,
8041 window: &mut Window,
8042 cx: &mut App,
8043 ) {
8044 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8045 let mut fragment_origin =
8046 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8047 for fragment in &mut self.fragments {
8048 match fragment {
8049 LineFragment::Text(line) => {
8050 fragment_origin.x += line.width;
8051 }
8052 LineFragment::Element { element, size, .. } => {
8053 let mut element = element
8054 .take()
8055 .expect("you can't prepaint LineWithInvisibles twice");
8056
8057 // Center the element vertically within the line.
8058 let mut element_origin = fragment_origin;
8059 element_origin.y += (line_height - size.height) / 2.;
8060 element.prepaint_at(element_origin, window, cx);
8061 line_elements.push(element);
8062
8063 fragment_origin.x += size.width;
8064 }
8065 }
8066 }
8067 }
8068
8069 fn draw(
8070 &self,
8071 layout: &EditorLayout,
8072 row: DisplayRow,
8073 content_origin: gpui::Point<Pixels>,
8074 whitespace_setting: ShowWhitespaceSetting,
8075 selection_ranges: &[Range<DisplayPoint>],
8076 window: &mut Window,
8077 cx: &mut App,
8078 ) {
8079 let line_height = layout.position_map.line_height;
8080 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8081
8082 let mut fragment_origin = content_origin
8083 + gpui::point(
8084 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8085 line_y,
8086 );
8087
8088 for fragment in &self.fragments {
8089 match fragment {
8090 LineFragment::Text(line) => {
8091 line.paint(fragment_origin, line_height, window, cx)
8092 .log_err();
8093 fragment_origin.x += line.width;
8094 }
8095 LineFragment::Element { size, .. } => {
8096 fragment_origin.x += size.width;
8097 }
8098 }
8099 }
8100
8101 self.draw_invisibles(
8102 selection_ranges,
8103 layout,
8104 content_origin,
8105 line_y,
8106 row,
8107 line_height,
8108 whitespace_setting,
8109 window,
8110 cx,
8111 );
8112 }
8113
8114 fn draw_background(
8115 &self,
8116 layout: &EditorLayout,
8117 row: DisplayRow,
8118 content_origin: gpui::Point<Pixels>,
8119 window: &mut Window,
8120 cx: &mut App,
8121 ) {
8122 let line_height = layout.position_map.line_height;
8123 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8124
8125 let mut fragment_origin = content_origin
8126 + gpui::point(
8127 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8128 line_y,
8129 );
8130
8131 for fragment in &self.fragments {
8132 match fragment {
8133 LineFragment::Text(line) => {
8134 line.paint_background(fragment_origin, line_height, window, cx)
8135 .log_err();
8136 fragment_origin.x += line.width;
8137 }
8138 LineFragment::Element { size, .. } => {
8139 fragment_origin.x += size.width;
8140 }
8141 }
8142 }
8143 }
8144
8145 fn draw_invisibles(
8146 &self,
8147 selection_ranges: &[Range<DisplayPoint>],
8148 layout: &EditorLayout,
8149 content_origin: gpui::Point<Pixels>,
8150 line_y: Pixels,
8151 row: DisplayRow,
8152 line_height: Pixels,
8153 whitespace_setting: ShowWhitespaceSetting,
8154 window: &mut Window,
8155 cx: &mut App,
8156 ) {
8157 let extract_whitespace_info = |invisible: &Invisible| {
8158 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8159 Invisible::Tab {
8160 line_start_offset,
8161 line_end_offset,
8162 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8163 Invisible::Whitespace { line_offset } => {
8164 (*line_offset, line_offset + 1, &layout.space_invisible)
8165 }
8166 };
8167
8168 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8169 let invisible_offset: ScrollPixelOffset =
8170 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8171 .into();
8172 let origin = content_origin
8173 + gpui::point(
8174 Pixels::from(
8175 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8176 ),
8177 line_y,
8178 );
8179
8180 (
8181 [token_offset, token_end_offset],
8182 Box::new(move |window: &mut Window, cx: &mut App| {
8183 invisible_symbol
8184 .paint(origin, line_height, window, cx)
8185 .log_err();
8186 }),
8187 )
8188 };
8189
8190 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8191 match whitespace_setting {
8192 ShowWhitespaceSetting::None => (),
8193 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8194 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8195 let invisible_point = DisplayPoint::new(row, start as u32);
8196 if !selection_ranges
8197 .iter()
8198 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8199 {
8200 return;
8201 }
8202
8203 paint(window, cx);
8204 }),
8205
8206 ShowWhitespaceSetting::Trailing => {
8207 let mut previous_start = self.len;
8208 for ([start, end], paint) in invisible_iter.rev() {
8209 if previous_start != end {
8210 break;
8211 }
8212 previous_start = start;
8213 paint(window, cx);
8214 }
8215 }
8216
8217 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8218 // - It is a tab
8219 // - It is adjacent to an edge (start or end)
8220 // - It is adjacent to a whitespace (left or right)
8221 ShowWhitespaceSetting::Boundary => {
8222 // 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
8223 // the above cases.
8224 // Note: We zip in the original `invisibles` to check for tab equality
8225 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8226 for (([start, end], paint), invisible) in
8227 invisible_iter.zip_eq(self.invisibles.iter())
8228 {
8229 let should_render = match (&last_seen, invisible) {
8230 (_, Invisible::Tab { .. }) => true,
8231 (Some((_, last_end, _)), _) => *last_end == start,
8232 _ => false,
8233 };
8234
8235 if should_render || start == 0 || end == self.len {
8236 paint(window, cx);
8237
8238 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8239 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8240 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8241 // Note that we need to make sure that the last one is actually adjacent
8242 if !should_render_last && last_end == start {
8243 paint_last(window, cx);
8244 }
8245 }
8246 }
8247
8248 // Manually render anything within a selection
8249 let invisible_point = DisplayPoint::new(row, start as u32);
8250 if selection_ranges.iter().any(|region| {
8251 region.start <= invisible_point && invisible_point < region.end
8252 }) {
8253 paint(window, cx);
8254 }
8255
8256 last_seen = Some((should_render, end, paint));
8257 }
8258 }
8259 }
8260 }
8261
8262 pub fn x_for_index(&self, index: usize) -> Pixels {
8263 let mut fragment_start_x = Pixels::ZERO;
8264 let mut fragment_start_index = 0;
8265
8266 for fragment in &self.fragments {
8267 match fragment {
8268 LineFragment::Text(shaped_line) => {
8269 let fragment_end_index = fragment_start_index + shaped_line.len;
8270 if index < fragment_end_index {
8271 return fragment_start_x
8272 + shaped_line.x_for_index(index - fragment_start_index);
8273 }
8274 fragment_start_x += shaped_line.width;
8275 fragment_start_index = fragment_end_index;
8276 }
8277 LineFragment::Element { len, size, .. } => {
8278 let fragment_end_index = fragment_start_index + len;
8279 if index < fragment_end_index {
8280 return fragment_start_x;
8281 }
8282 fragment_start_x += size.width;
8283 fragment_start_index = fragment_end_index;
8284 }
8285 }
8286 }
8287
8288 fragment_start_x
8289 }
8290
8291 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8292 let mut fragment_start_x = Pixels::ZERO;
8293 let mut fragment_start_index = 0;
8294
8295 for fragment in &self.fragments {
8296 match fragment {
8297 LineFragment::Text(shaped_line) => {
8298 let fragment_end_x = fragment_start_x + shaped_line.width;
8299 if x < fragment_end_x {
8300 return Some(
8301 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8302 );
8303 }
8304 fragment_start_x = fragment_end_x;
8305 fragment_start_index += shaped_line.len;
8306 }
8307 LineFragment::Element { len, size, .. } => {
8308 let fragment_end_x = fragment_start_x + size.width;
8309 if x < fragment_end_x {
8310 return Some(fragment_start_index);
8311 }
8312 fragment_start_index += len;
8313 fragment_start_x = fragment_end_x;
8314 }
8315 }
8316 }
8317
8318 None
8319 }
8320
8321 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8322 let mut fragment_start_index = 0;
8323
8324 for fragment in &self.fragments {
8325 match fragment {
8326 LineFragment::Text(shaped_line) => {
8327 let fragment_end_index = fragment_start_index + shaped_line.len;
8328 if index < fragment_end_index {
8329 return shaped_line.font_id_for_index(index - fragment_start_index);
8330 }
8331 fragment_start_index = fragment_end_index;
8332 }
8333 LineFragment::Element { len, .. } => {
8334 let fragment_end_index = fragment_start_index + len;
8335 if index < fragment_end_index {
8336 return None;
8337 }
8338 fragment_start_index = fragment_end_index;
8339 }
8340 }
8341 }
8342
8343 None
8344 }
8345}
8346
8347#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8348enum Invisible {
8349 /// A tab character
8350 ///
8351 /// A tab character is internally represented by spaces (configured by the user's tab width)
8352 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8353 /// adjacency checks.
8354 Tab {
8355 line_start_offset: usize,
8356 line_end_offset: usize,
8357 },
8358 Whitespace {
8359 line_offset: usize,
8360 },
8361}
8362
8363impl EditorElement {
8364 /// Returns the rem size to use when rendering the [`EditorElement`].
8365 ///
8366 /// This allows UI elements to scale based on the `buffer_font_size`.
8367 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8368 match self.editor.read(cx).mode {
8369 EditorMode::Full {
8370 scale_ui_elements_with_buffer_font_size: true,
8371 ..
8372 }
8373 | EditorMode::Minimap { .. } => {
8374 let buffer_font_size = self.style.text.font_size;
8375 match buffer_font_size {
8376 AbsoluteLength::Pixels(pixels) => {
8377 let rem_size_scale = {
8378 // Our default UI font size is 14px on a 16px base scale.
8379 // This means the default UI font size is 0.875rems.
8380 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8381
8382 // We then determine the delta between a single rem and the default font
8383 // size scale.
8384 let default_font_size_delta = 1. - default_font_size_scale;
8385
8386 // Finally, we add this delta to 1rem to get the scale factor that
8387 // should be used to scale up the UI.
8388 1. + default_font_size_delta
8389 };
8390
8391 Some(pixels * rem_size_scale)
8392 }
8393 AbsoluteLength::Rems(rems) => {
8394 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8395 }
8396 }
8397 }
8398 // We currently use single-line and auto-height editors in UI contexts,
8399 // so we don't want to scale everything with the buffer font size, as it
8400 // ends up looking off.
8401 _ => None,
8402 }
8403 }
8404
8405 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8406 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8407 parent.upgrade()
8408 } else {
8409 Some(self.editor.clone())
8410 }
8411 }
8412}
8413
8414impl Element for EditorElement {
8415 type RequestLayoutState = ();
8416 type PrepaintState = EditorLayout;
8417
8418 fn id(&self) -> Option<ElementId> {
8419 None
8420 }
8421
8422 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8423 None
8424 }
8425
8426 fn request_layout(
8427 &mut self,
8428 _: Option<&GlobalElementId>,
8429 _inspector_id: Option<&gpui::InspectorElementId>,
8430 window: &mut Window,
8431 cx: &mut App,
8432 ) -> (gpui::LayoutId, ()) {
8433 let rem_size = self.rem_size(cx);
8434 window.with_rem_size(rem_size, |window| {
8435 self.editor.update(cx, |editor, cx| {
8436 editor.set_style(self.style.clone(), window, cx);
8437
8438 let layout_id = match editor.mode {
8439 EditorMode::SingleLine => {
8440 let rem_size = window.rem_size();
8441 let height = self.style.text.line_height_in_pixels(rem_size);
8442 let mut style = Style::default();
8443 style.size.height = height.into();
8444 style.size.width = relative(1.).into();
8445 window.request_layout(style, None, cx)
8446 }
8447 EditorMode::AutoHeight {
8448 min_lines,
8449 max_lines,
8450 } => {
8451 let editor_handle = cx.entity();
8452 let max_line_number_width =
8453 self.max_line_number_width(&editor.snapshot(window, cx), window);
8454 window.request_measured_layout(
8455 Style::default(),
8456 move |known_dimensions, available_space, window, cx| {
8457 editor_handle
8458 .update(cx, |editor, cx| {
8459 compute_auto_height_layout(
8460 editor,
8461 min_lines,
8462 max_lines,
8463 max_line_number_width,
8464 known_dimensions,
8465 available_space.width,
8466 window,
8467 cx,
8468 )
8469 })
8470 .unwrap_or_default()
8471 },
8472 )
8473 }
8474 EditorMode::Minimap { .. } => {
8475 let mut style = Style::default();
8476 style.size.width = relative(1.).into();
8477 style.size.height = relative(1.).into();
8478 window.request_layout(style, None, cx)
8479 }
8480 EditorMode::Full {
8481 sizing_behavior, ..
8482 } => {
8483 let mut style = Style::default();
8484 style.size.width = relative(1.).into();
8485 if sizing_behavior == SizingBehavior::SizeByContent {
8486 let snapshot = editor.snapshot(window, cx);
8487 let line_height =
8488 self.style.text.line_height_in_pixels(window.rem_size());
8489 let scroll_height =
8490 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8491 style.size.height = scroll_height.into();
8492 } else {
8493 style.size.height = relative(1.).into();
8494 }
8495 window.request_layout(style, None, cx)
8496 }
8497 };
8498
8499 (layout_id, ())
8500 })
8501 })
8502 }
8503
8504 fn prepaint(
8505 &mut self,
8506 _: Option<&GlobalElementId>,
8507 _inspector_id: Option<&gpui::InspectorElementId>,
8508 bounds: Bounds<Pixels>,
8509 _: &mut Self::RequestLayoutState,
8510 window: &mut Window,
8511 cx: &mut App,
8512 ) -> Self::PrepaintState {
8513 let text_style = TextStyleRefinement {
8514 font_size: Some(self.style.text.font_size),
8515 line_height: Some(self.style.text.line_height),
8516 ..Default::default()
8517 };
8518
8519 let is_minimap = self.editor.read(cx).mode.is_minimap();
8520
8521 if !is_minimap {
8522 let focus_handle = self.editor.focus_handle(cx);
8523 window.set_view_id(self.editor.entity_id());
8524 window.set_focus_handle(&focus_handle, cx);
8525 }
8526
8527 let rem_size = self.rem_size(cx);
8528 window.with_rem_size(rem_size, |window| {
8529 window.with_text_style(Some(text_style), |window| {
8530 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8531 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8532 (editor.snapshot(window, cx), editor.read_only(cx))
8533 });
8534 let style = &self.style;
8535
8536 let rem_size = window.rem_size();
8537 let font_id = window.text_system().resolve_font(&style.text.font());
8538 let font_size = style.text.font_size.to_pixels(rem_size);
8539 let line_height = style.text.line_height_in_pixels(rem_size);
8540 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8541 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8542 let glyph_grid_cell = size(em_advance, line_height);
8543
8544 let gutter_dimensions = snapshot
8545 .gutter_dimensions(
8546 font_id,
8547 font_size,
8548 self.max_line_number_width(&snapshot, window),
8549 cx,
8550 )
8551 .or_else(|| {
8552 self.editor.read(cx).offset_content.then(|| {
8553 GutterDimensions::default_with_margin(font_id, font_size, cx)
8554 })
8555 })
8556 .unwrap_or_default();
8557 let text_width = bounds.size.width - gutter_dimensions.width;
8558
8559 let settings = EditorSettings::get_global(cx);
8560 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8561 let vertical_scrollbar_width = (scrollbars_shown
8562 && settings.scrollbar.axes.vertical
8563 && self.editor.read(cx).show_scrollbars.vertical)
8564 .then_some(style.scrollbar_width)
8565 .unwrap_or_default();
8566 let minimap_width = self
8567 .get_minimap_width(
8568 &settings.minimap,
8569 scrollbars_shown,
8570 text_width,
8571 em_width,
8572 font_size,
8573 rem_size,
8574 cx,
8575 )
8576 .unwrap_or_default();
8577
8578 let right_margin = minimap_width + vertical_scrollbar_width;
8579
8580 let editor_width =
8581 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8582 let editor_margins = EditorMargins {
8583 gutter: gutter_dimensions,
8584 right: right_margin,
8585 };
8586
8587 snapshot = self.editor.update(cx, |editor, cx| {
8588 editor.last_bounds = Some(bounds);
8589 editor.gutter_dimensions = gutter_dimensions;
8590 editor.set_visible_line_count(
8591 (bounds.size.height / line_height) as f64,
8592 window,
8593 cx,
8594 );
8595 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8596
8597 if matches!(
8598 editor.mode,
8599 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8600 ) {
8601 snapshot
8602 } else {
8603 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8604 let wrap_width = match editor.soft_wrap_mode(cx) {
8605 SoftWrap::GitDiff => None,
8606 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8607 SoftWrap::EditorWidth => Some(editor_width),
8608 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8609 SoftWrap::Bounded(column) => {
8610 Some(editor_width.min(wrap_width_for(column)))
8611 }
8612 };
8613
8614 if editor.set_wrap_width(wrap_width, cx) {
8615 editor.snapshot(window, cx)
8616 } else {
8617 snapshot
8618 }
8619 }
8620 });
8621
8622 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8623 let gutter_hitbox = window.insert_hitbox(
8624 gutter_bounds(bounds, gutter_dimensions),
8625 HitboxBehavior::Normal,
8626 );
8627 let text_hitbox = window.insert_hitbox(
8628 Bounds {
8629 origin: gutter_hitbox.top_right(),
8630 size: size(text_width, bounds.size.height),
8631 },
8632 HitboxBehavior::Normal,
8633 );
8634
8635 // Offset the content_bounds from the text_bounds by the gutter margin (which
8636 // is roughly half a character wide) to make hit testing work more like how we want.
8637 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8638 let content_origin = text_hitbox.origin + content_offset;
8639
8640 let height_in_lines = f64::from(bounds.size.height / line_height);
8641 let max_row = snapshot.max_point().row().as_f64();
8642
8643 // The max scroll position for the top of the window
8644 let max_scroll_top = if matches!(
8645 snapshot.mode,
8646 EditorMode::SingleLine
8647 | EditorMode::AutoHeight { .. }
8648 | EditorMode::Full {
8649 sizing_behavior: SizingBehavior::ExcludeOverscrollMargin
8650 | SizingBehavior::SizeByContent,
8651 ..
8652 }
8653 ) {
8654 (max_row - height_in_lines + 1.).max(0.)
8655 } else {
8656 let settings = EditorSettings::get_global(cx);
8657 match settings.scroll_beyond_last_line {
8658 ScrollBeyondLastLine::OnePage => max_row,
8659 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8660 ScrollBeyondLastLine::VerticalScrollMargin => {
8661 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8662 .max(0.)
8663 }
8664 }
8665 };
8666
8667 let (
8668 autoscroll_request,
8669 autoscroll_containing_element,
8670 needs_horizontal_autoscroll,
8671 ) = self.editor.update(cx, |editor, cx| {
8672 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8673
8674 let autoscroll_containing_element =
8675 autoscroll_request.is_some() || editor.has_pending_selection();
8676
8677 let (needs_horizontal_autoscroll, was_scrolled) = editor
8678 .autoscroll_vertically(
8679 bounds,
8680 line_height,
8681 max_scroll_top,
8682 autoscroll_request,
8683 window,
8684 cx,
8685 );
8686 if was_scrolled.0 {
8687 snapshot = editor.snapshot(window, cx);
8688 }
8689 (
8690 autoscroll_request,
8691 autoscroll_containing_element,
8692 needs_horizontal_autoscroll,
8693 )
8694 });
8695
8696 let mut scroll_position = snapshot.scroll_position();
8697 // The scroll position is a fractional point, the whole number of which represents
8698 // the top of the window in terms of display rows.
8699 let start_row = DisplayRow(scroll_position.y as u32);
8700 let max_row = snapshot.max_point().row();
8701 let end_row = cmp::min(
8702 (scroll_position.y + height_in_lines).ceil() as u32,
8703 max_row.next_row().0,
8704 );
8705 let end_row = DisplayRow(end_row);
8706
8707 let row_infos = snapshot
8708 .row_infos(start_row)
8709 .take((start_row..end_row).len())
8710 .collect::<Vec<RowInfo>>();
8711 let is_row_soft_wrapped = |row: usize| {
8712 row_infos
8713 .get(row)
8714 .is_none_or(|info| info.buffer_row.is_none())
8715 };
8716
8717 let start_anchor = if start_row == Default::default() {
8718 Anchor::min()
8719 } else {
8720 snapshot.buffer_snapshot().anchor_before(
8721 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8722 )
8723 };
8724 let end_anchor = if end_row > max_row {
8725 Anchor::max()
8726 } else {
8727 snapshot.buffer_snapshot().anchor_before(
8728 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8729 )
8730 };
8731
8732 let mut highlighted_rows = self
8733 .editor
8734 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8735
8736 let is_light = cx.theme().appearance().is_light();
8737
8738 for (ix, row_info) in row_infos.iter().enumerate() {
8739 let Some(diff_status) = row_info.diff_status else {
8740 continue;
8741 };
8742
8743 let background_color = match diff_status.kind {
8744 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8745 DiffHunkStatusKind::Deleted => {
8746 cx.theme().colors().version_control_deleted
8747 }
8748 DiffHunkStatusKind::Modified => {
8749 debug_panic!("modified diff status for row info");
8750 continue;
8751 }
8752 };
8753
8754 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8755
8756 let hollow_highlight = LineHighlight {
8757 background: (background_color.opacity(if is_light {
8758 0.08
8759 } else {
8760 0.06
8761 }))
8762 .into(),
8763 border: Some(if is_light {
8764 background_color.opacity(0.48)
8765 } else {
8766 background_color.opacity(0.36)
8767 }),
8768 include_gutter: true,
8769 type_id: None,
8770 };
8771
8772 let filled_highlight = LineHighlight {
8773 background: solid_background(background_color.opacity(hunk_opacity)),
8774 border: None,
8775 include_gutter: true,
8776 type_id: None,
8777 };
8778
8779 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8780 hollow_highlight
8781 } else {
8782 filled_highlight
8783 };
8784
8785 highlighted_rows
8786 .entry(start_row + DisplayRow(ix as u32))
8787 .or_insert(background);
8788 }
8789
8790 let highlighted_ranges = self
8791 .editor_with_selections(cx)
8792 .map(|editor| {
8793 editor.read(cx).background_highlights_in_range(
8794 start_anchor..end_anchor,
8795 &snapshot.display_snapshot,
8796 cx.theme(),
8797 )
8798 })
8799 .unwrap_or_default();
8800 let highlighted_gutter_ranges =
8801 self.editor.read(cx).gutter_highlights_in_range(
8802 start_anchor..end_anchor,
8803 &snapshot.display_snapshot,
8804 cx,
8805 );
8806
8807 let document_colors = self
8808 .editor
8809 .read(cx)
8810 .colors
8811 .as_ref()
8812 .map(|colors| colors.editor_display_highlights(&snapshot));
8813 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8814 start_anchor..end_anchor,
8815 &snapshot.display_snapshot,
8816 cx,
8817 );
8818
8819 let (local_selections, selected_buffer_ids): (
8820 Vec<Selection<Point>>,
8821 Vec<BufferId>,
8822 ) = self
8823 .editor_with_selections(cx)
8824 .map(|editor| {
8825 editor.update(cx, |editor, cx| {
8826 let all_selections =
8827 editor.selections.all::<Point>(&snapshot.display_snapshot);
8828 let selected_buffer_ids =
8829 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8830 Vec::new()
8831 } else {
8832 let mut selected_buffer_ids =
8833 Vec::with_capacity(all_selections.len());
8834
8835 for selection in all_selections {
8836 for buffer_id in snapshot
8837 .buffer_snapshot()
8838 .buffer_ids_for_range(selection.range())
8839 {
8840 if selected_buffer_ids.last() != Some(&buffer_id) {
8841 selected_buffer_ids.push(buffer_id);
8842 }
8843 }
8844 }
8845
8846 selected_buffer_ids
8847 };
8848
8849 let mut selections = editor.selections.disjoint_in_range(
8850 start_anchor..end_anchor,
8851 &snapshot.display_snapshot,
8852 );
8853 selections
8854 .extend(editor.selections.pending(&snapshot.display_snapshot));
8855
8856 (selections, selected_buffer_ids)
8857 })
8858 })
8859 .unwrap_or_default();
8860
8861 let (selections, mut active_rows, newest_selection_head) = self
8862 .layout_selections(
8863 start_anchor,
8864 end_anchor,
8865 &local_selections,
8866 &snapshot,
8867 start_row,
8868 end_row,
8869 window,
8870 cx,
8871 );
8872 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8873 editor.active_breakpoints(start_row..end_row, window, cx)
8874 });
8875 for (display_row, (_, bp, state)) in &breakpoint_rows {
8876 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8877 active_rows.entry(*display_row).or_default().breakpoint = true;
8878 }
8879 }
8880
8881 let line_numbers = self.layout_line_numbers(
8882 Some(&gutter_hitbox),
8883 gutter_dimensions,
8884 line_height,
8885 scroll_position,
8886 start_row..end_row,
8887 &row_infos,
8888 &active_rows,
8889 newest_selection_head,
8890 &snapshot,
8891 window,
8892 cx,
8893 );
8894
8895 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8896 // line numbers so we don't paint a line number debug accent color if a user
8897 // has their mouse over that line when a breakpoint isn't there
8898 self.editor.update(cx, |editor, _| {
8899 if let Some(phantom_breakpoint) = &mut editor
8900 .gutter_breakpoint_indicator
8901 .0
8902 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8903 {
8904 // Is there a non-phantom breakpoint on this line?
8905 phantom_breakpoint.collides_with_existing_breakpoint = true;
8906 breakpoint_rows
8907 .entry(phantom_breakpoint.display_row)
8908 .or_insert_with(|| {
8909 let position = snapshot.display_point_to_anchor(
8910 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8911 Bias::Right,
8912 );
8913 let breakpoint = Breakpoint::new_standard();
8914 phantom_breakpoint.collides_with_existing_breakpoint = false;
8915 (position, breakpoint, None)
8916 });
8917 }
8918 });
8919
8920 let mut expand_toggles =
8921 window.with_element_namespace("expand_toggles", |window| {
8922 self.layout_expand_toggles(
8923 &gutter_hitbox,
8924 gutter_dimensions,
8925 em_width,
8926 line_height,
8927 scroll_position,
8928 &row_infos,
8929 window,
8930 cx,
8931 )
8932 });
8933
8934 let mut crease_toggles =
8935 window.with_element_namespace("crease_toggles", |window| {
8936 self.layout_crease_toggles(
8937 start_row..end_row,
8938 &row_infos,
8939 &active_rows,
8940 &snapshot,
8941 window,
8942 cx,
8943 )
8944 });
8945 let crease_trailers =
8946 window.with_element_namespace("crease_trailers", |window| {
8947 self.layout_crease_trailers(
8948 row_infos.iter().copied(),
8949 &snapshot,
8950 window,
8951 cx,
8952 )
8953 });
8954
8955 let display_hunks = self.layout_gutter_diff_hunks(
8956 line_height,
8957 &gutter_hitbox,
8958 start_row..end_row,
8959 &snapshot,
8960 window,
8961 cx,
8962 );
8963
8964 let merged_highlighted_ranges =
8965 if let Some((_, colors)) = document_colors.as_ref() {
8966 &highlighted_ranges
8967 .clone()
8968 .into_iter()
8969 .chain(colors.clone())
8970 .collect()
8971 } else {
8972 &highlighted_ranges
8973 };
8974 let bg_segments_per_row = Self::bg_segments_per_row(
8975 start_row..end_row,
8976 &selections,
8977 &merged_highlighted_ranges,
8978 self.style.background,
8979 );
8980
8981 let mut line_layouts = Self::layout_lines(
8982 start_row..end_row,
8983 &snapshot,
8984 &self.style,
8985 editor_width,
8986 is_row_soft_wrapped,
8987 &bg_segments_per_row,
8988 window,
8989 cx,
8990 );
8991 let new_renderer_widths = (!is_minimap).then(|| {
8992 line_layouts
8993 .iter()
8994 .flat_map(|layout| &layout.fragments)
8995 .filter_map(|fragment| {
8996 if let LineFragment::Element { id, size, .. } = fragment {
8997 Some((*id, size.width))
8998 } else {
8999 None
9000 }
9001 })
9002 });
9003 if new_renderer_widths.is_some_and(|new_renderer_widths| {
9004 self.editor.update(cx, |editor, cx| {
9005 editor.update_renderer_widths(new_renderer_widths, cx)
9006 })
9007 }) {
9008 // If the fold widths have changed, we need to prepaint
9009 // the element again to account for any changes in
9010 // wrapping.
9011 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9012 }
9013
9014 let longest_line_blame_width = self
9015 .editor
9016 .update(cx, |editor, cx| {
9017 if !editor.show_git_blame_inline {
9018 return None;
9019 }
9020 let blame = editor.blame.as_ref()?;
9021 let (_, blame_entry) = blame
9022 .update(cx, |blame, cx| {
9023 let row_infos =
9024 snapshot.row_infos(snapshot.longest_row()).next()?;
9025 blame.blame_for_rows(&[row_infos], cx).next()
9026 })
9027 .flatten()?;
9028 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9029 let inline_blame_padding =
9030 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9031 * em_advance;
9032 Some(
9033 element
9034 .layout_as_root(AvailableSpace::min_size(), window, cx)
9035 .width
9036 + inline_blame_padding,
9037 )
9038 })
9039 .unwrap_or(Pixels::ZERO);
9040
9041 let longest_line_width = layout_line(
9042 snapshot.longest_row(),
9043 &snapshot,
9044 style,
9045 editor_width,
9046 is_row_soft_wrapped,
9047 window,
9048 cx,
9049 )
9050 .width;
9051
9052 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9053 text_hitbox.bounds,
9054 glyph_grid_cell,
9055 size(
9056 longest_line_width,
9057 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9058 ),
9059 longest_line_blame_width,
9060 EditorSettings::get_global(cx),
9061 );
9062
9063 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9064
9065 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9066 snapshot.sticky_header_excerpt(scroll_position.y)
9067 } else {
9068 None
9069 };
9070 let sticky_header_excerpt_id =
9071 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9072
9073 let blocks = (!is_minimap)
9074 .then(|| {
9075 window.with_element_namespace("blocks", |window| {
9076 self.render_blocks(
9077 start_row..end_row,
9078 &snapshot,
9079 &hitbox,
9080 &text_hitbox,
9081 editor_width,
9082 &mut scroll_width,
9083 &editor_margins,
9084 em_width,
9085 gutter_dimensions.full_width(),
9086 line_height,
9087 &mut line_layouts,
9088 &local_selections,
9089 &selected_buffer_ids,
9090 is_row_soft_wrapped,
9091 sticky_header_excerpt_id,
9092 window,
9093 cx,
9094 )
9095 })
9096 })
9097 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9098 let (mut blocks, row_block_types) = match blocks {
9099 Ok(blocks) => blocks,
9100 Err(resized_blocks) => {
9101 self.editor.update(cx, |editor, cx| {
9102 editor.resize_blocks(
9103 resized_blocks,
9104 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9105 cx,
9106 )
9107 });
9108 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9109 }
9110 };
9111
9112 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9113 window.with_element_namespace("blocks", |window| {
9114 self.layout_sticky_buffer_header(
9115 sticky_header_excerpt,
9116 scroll_position,
9117 line_height,
9118 right_margin,
9119 &snapshot,
9120 &hitbox,
9121 &selected_buffer_ids,
9122 &blocks,
9123 window,
9124 cx,
9125 )
9126 })
9127 });
9128
9129 let start_buffer_row =
9130 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9131 let end_buffer_row =
9132 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9133
9134 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9135 ScrollPixelOffset::from(
9136 ((scroll_width - editor_width) / em_advance).max(0.0),
9137 ),
9138 max_scroll_top,
9139 );
9140
9141 self.editor.update(cx, |editor, cx| {
9142 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9143 scroll_position.x = scroll_position.x.min(scroll_max.x);
9144 }
9145
9146 if needs_horizontal_autoscroll.0
9147 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9148 start_row,
9149 editor_width,
9150 scroll_width,
9151 em_advance,
9152 &line_layouts,
9153 autoscroll_request,
9154 window,
9155 cx,
9156 )
9157 {
9158 scroll_position = new_scroll_position;
9159 }
9160 });
9161
9162 let scroll_pixel_position = point(
9163 scroll_position.x * f64::from(em_advance),
9164 scroll_position.y * f64::from(line_height),
9165 );
9166 let indent_guides = self.layout_indent_guides(
9167 content_origin,
9168 text_hitbox.origin,
9169 start_buffer_row..end_buffer_row,
9170 scroll_pixel_position,
9171 line_height,
9172 &snapshot,
9173 window,
9174 cx,
9175 );
9176
9177 let crease_trailers =
9178 window.with_element_namespace("crease_trailers", |window| {
9179 self.prepaint_crease_trailers(
9180 crease_trailers,
9181 &line_layouts,
9182 line_height,
9183 content_origin,
9184 scroll_pixel_position,
9185 em_width,
9186 window,
9187 cx,
9188 )
9189 });
9190
9191 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9192 .editor
9193 .update(cx, |editor, cx| {
9194 editor.render_edit_prediction_popover(
9195 &text_hitbox.bounds,
9196 content_origin,
9197 right_margin,
9198 &snapshot,
9199 start_row..end_row,
9200 scroll_position.y,
9201 scroll_position.y + height_in_lines,
9202 &line_layouts,
9203 line_height,
9204 scroll_position,
9205 scroll_pixel_position,
9206 newest_selection_head,
9207 editor_width,
9208 style,
9209 window,
9210 cx,
9211 )
9212 })
9213 .unzip();
9214
9215 let mut inline_diagnostics = self.layout_inline_diagnostics(
9216 &line_layouts,
9217 &crease_trailers,
9218 &row_block_types,
9219 content_origin,
9220 scroll_position,
9221 scroll_pixel_position,
9222 edit_prediction_popover_origin,
9223 start_row,
9224 end_row,
9225 line_height,
9226 em_width,
9227 style,
9228 window,
9229 cx,
9230 );
9231
9232 let mut inline_blame_layout = None;
9233 let mut inline_code_actions = None;
9234 if let Some(newest_selection_head) = newest_selection_head {
9235 let display_row = newest_selection_head.row();
9236 if (start_row..end_row).contains(&display_row)
9237 && !row_block_types.contains_key(&display_row)
9238 {
9239 inline_code_actions = self.layout_inline_code_actions(
9240 newest_selection_head,
9241 content_origin,
9242 scroll_position,
9243 scroll_pixel_position,
9244 line_height,
9245 &snapshot,
9246 window,
9247 cx,
9248 );
9249
9250 let line_ix = display_row.minus(start_row) as usize;
9251 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9252 row_infos.get(line_ix),
9253 line_layouts.get(line_ix),
9254 crease_trailers.get(line_ix),
9255 ) {
9256 let crease_trailer_layout = crease_trailer.as_ref();
9257 if let Some(layout) = self.layout_inline_blame(
9258 display_row,
9259 row_info,
9260 line_layout,
9261 crease_trailer_layout,
9262 em_width,
9263 content_origin,
9264 scroll_position,
9265 scroll_pixel_position,
9266 line_height,
9267 &text_hitbox,
9268 window,
9269 cx,
9270 ) {
9271 inline_blame_layout = Some(layout);
9272 // Blame overrides inline diagnostics
9273 inline_diagnostics.remove(&display_row);
9274 }
9275 } else {
9276 log::error!(
9277 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9278 line_layouts.len(): {}, \
9279 crease_trailers.len(): {}",
9280 line_ix,
9281 row_infos.len(),
9282 line_layouts.len(),
9283 crease_trailers.len(),
9284 );
9285 }
9286 }
9287 }
9288
9289 let blamed_display_rows = self.layout_blame_entries(
9290 &row_infos,
9291 em_width,
9292 scroll_position,
9293 line_height,
9294 &gutter_hitbox,
9295 gutter_dimensions.git_blame_entries_width,
9296 window,
9297 cx,
9298 );
9299
9300 let line_elements = self.prepaint_lines(
9301 start_row,
9302 &mut line_layouts,
9303 line_height,
9304 scroll_position,
9305 scroll_pixel_position,
9306 content_origin,
9307 window,
9308 cx,
9309 );
9310
9311 window.with_element_namespace("blocks", |window| {
9312 self.layout_blocks(
9313 &mut blocks,
9314 &hitbox,
9315 line_height,
9316 scroll_position,
9317 scroll_pixel_position,
9318 window,
9319 cx,
9320 );
9321 });
9322
9323 let cursors = self.collect_cursors(&snapshot, cx);
9324 let visible_row_range = start_row..end_row;
9325 let non_visible_cursors = cursors
9326 .iter()
9327 .any(|c| !visible_row_range.contains(&c.0.row()));
9328
9329 let visible_cursors = self.layout_visible_cursors(
9330 &snapshot,
9331 &selections,
9332 &row_block_types,
9333 start_row..end_row,
9334 &line_layouts,
9335 &text_hitbox,
9336 content_origin,
9337 scroll_position,
9338 scroll_pixel_position,
9339 line_height,
9340 em_width,
9341 em_advance,
9342 autoscroll_containing_element,
9343 window,
9344 cx,
9345 );
9346
9347 let scrollbars_layout = self.layout_scrollbars(
9348 &snapshot,
9349 &scrollbar_layout_information,
9350 content_offset,
9351 scroll_position,
9352 non_visible_cursors,
9353 right_margin,
9354 editor_width,
9355 window,
9356 cx,
9357 );
9358
9359 let gutter_settings = EditorSettings::get_global(cx).gutter;
9360
9361 let context_menu_layout =
9362 if let Some(newest_selection_head) = newest_selection_head {
9363 let newest_selection_point =
9364 newest_selection_head.to_point(&snapshot.display_snapshot);
9365 if (start_row..end_row).contains(&newest_selection_head.row()) {
9366 self.layout_cursor_popovers(
9367 line_height,
9368 &text_hitbox,
9369 content_origin,
9370 right_margin,
9371 start_row,
9372 scroll_pixel_position,
9373 &line_layouts,
9374 newest_selection_head,
9375 newest_selection_point,
9376 style,
9377 window,
9378 cx,
9379 )
9380 } else {
9381 None
9382 }
9383 } else {
9384 None
9385 };
9386
9387 self.layout_gutter_menu(
9388 line_height,
9389 &text_hitbox,
9390 content_origin,
9391 right_margin,
9392 scroll_pixel_position,
9393 gutter_dimensions.width - gutter_dimensions.left_padding,
9394 window,
9395 cx,
9396 );
9397
9398 let test_indicators = if gutter_settings.runnables {
9399 self.layout_run_indicators(
9400 line_height,
9401 start_row..end_row,
9402 &row_infos,
9403 scroll_position,
9404 &gutter_dimensions,
9405 &gutter_hitbox,
9406 &display_hunks,
9407 &snapshot,
9408 &mut breakpoint_rows,
9409 window,
9410 cx,
9411 )
9412 } else {
9413 Vec::new()
9414 };
9415
9416 let show_breakpoints = snapshot
9417 .show_breakpoints
9418 .unwrap_or(gutter_settings.breakpoints);
9419 let breakpoints = if show_breakpoints {
9420 self.layout_breakpoints(
9421 line_height,
9422 start_row..end_row,
9423 scroll_position,
9424 &gutter_dimensions,
9425 &gutter_hitbox,
9426 &display_hunks,
9427 &snapshot,
9428 breakpoint_rows,
9429 &row_infos,
9430 window,
9431 cx,
9432 )
9433 } else {
9434 Vec::new()
9435 };
9436
9437 self.layout_signature_help(
9438 &hitbox,
9439 content_origin,
9440 scroll_pixel_position,
9441 newest_selection_head,
9442 start_row,
9443 &line_layouts,
9444 line_height,
9445 em_width,
9446 context_menu_layout,
9447 window,
9448 cx,
9449 );
9450
9451 if !cx.has_active_drag() {
9452 self.layout_hover_popovers(
9453 &snapshot,
9454 &hitbox,
9455 start_row..end_row,
9456 content_origin,
9457 scroll_pixel_position,
9458 &line_layouts,
9459 line_height,
9460 em_width,
9461 context_menu_layout,
9462 window,
9463 cx,
9464 );
9465 }
9466
9467 let mouse_context_menu = self.layout_mouse_context_menu(
9468 &snapshot,
9469 start_row..end_row,
9470 content_origin,
9471 window,
9472 cx,
9473 );
9474
9475 window.with_element_namespace("crease_toggles", |window| {
9476 self.prepaint_crease_toggles(
9477 &mut crease_toggles,
9478 line_height,
9479 &gutter_dimensions,
9480 gutter_settings,
9481 scroll_pixel_position,
9482 &gutter_hitbox,
9483 window,
9484 cx,
9485 )
9486 });
9487
9488 window.with_element_namespace("expand_toggles", |window| {
9489 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9490 });
9491
9492 let wrap_guides = self.layout_wrap_guides(
9493 em_advance,
9494 scroll_position,
9495 content_origin,
9496 scrollbars_layout.as_ref(),
9497 vertical_scrollbar_width,
9498 &hitbox,
9499 window,
9500 cx,
9501 );
9502
9503 let minimap = window.with_element_namespace("minimap", |window| {
9504 self.layout_minimap(
9505 &snapshot,
9506 minimap_width,
9507 scroll_position,
9508 &scrollbar_layout_information,
9509 scrollbars_layout.as_ref(),
9510 window,
9511 cx,
9512 )
9513 });
9514
9515 let invisible_symbol_font_size = font_size / 2.;
9516 let whitespace_map = &self
9517 .editor
9518 .read(cx)
9519 .buffer
9520 .read(cx)
9521 .language_settings(cx)
9522 .whitespace_map;
9523
9524 let tab_char = whitespace_map.tab.clone();
9525 let tab_len = tab_char.len();
9526 let tab_invisible = window.text_system().shape_line(
9527 tab_char,
9528 invisible_symbol_font_size,
9529 &[TextRun {
9530 len: tab_len,
9531 font: self.style.text.font(),
9532 color: cx.theme().colors().editor_invisible,
9533 background_color: None,
9534 underline: None,
9535 strikethrough: None,
9536 }],
9537 None,
9538 );
9539
9540 let space_char = whitespace_map.space.clone();
9541 let space_len = space_char.len();
9542 let space_invisible = window.text_system().shape_line(
9543 space_char,
9544 invisible_symbol_font_size,
9545 &[TextRun {
9546 len: space_len,
9547 font: self.style.text.font(),
9548 color: cx.theme().colors().editor_invisible,
9549 background_color: None,
9550 underline: None,
9551 strikethrough: None,
9552 }],
9553 None,
9554 );
9555
9556 let mode = snapshot.mode.clone();
9557
9558 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9559 (vec![], vec![])
9560 } else {
9561 self.layout_diff_hunk_controls(
9562 start_row..end_row,
9563 &row_infos,
9564 &text_hitbox,
9565 newest_selection_head,
9566 line_height,
9567 right_margin,
9568 scroll_pixel_position,
9569 &display_hunks,
9570 &highlighted_rows,
9571 self.editor.clone(),
9572 window,
9573 cx,
9574 )
9575 };
9576
9577 let position_map = Rc::new(PositionMap {
9578 size: bounds.size,
9579 visible_row_range,
9580 scroll_position,
9581 scroll_pixel_position,
9582 scroll_max,
9583 line_layouts,
9584 line_height,
9585 em_width,
9586 em_advance,
9587 snapshot,
9588 gutter_hitbox: gutter_hitbox.clone(),
9589 text_hitbox: text_hitbox.clone(),
9590 inline_blame_bounds: inline_blame_layout
9591 .as_ref()
9592 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9593 display_hunks: display_hunks.clone(),
9594 diff_hunk_control_bounds,
9595 });
9596
9597 self.editor.update(cx, |editor, _| {
9598 editor.last_position_map = Some(position_map.clone())
9599 });
9600
9601 EditorLayout {
9602 mode,
9603 position_map,
9604 visible_display_row_range: start_row..end_row,
9605 wrap_guides,
9606 indent_guides,
9607 hitbox,
9608 gutter_hitbox,
9609 display_hunks,
9610 content_origin,
9611 scrollbars_layout,
9612 minimap,
9613 active_rows,
9614 highlighted_rows,
9615 highlighted_ranges,
9616 highlighted_gutter_ranges,
9617 redacted_ranges,
9618 document_colors,
9619 line_elements,
9620 line_numbers,
9621 blamed_display_rows,
9622 inline_diagnostics,
9623 inline_blame_layout,
9624 inline_code_actions,
9625 blocks,
9626 cursors,
9627 visible_cursors,
9628 selections,
9629 edit_prediction_popover,
9630 diff_hunk_controls,
9631 mouse_context_menu,
9632 test_indicators,
9633 breakpoints,
9634 crease_toggles,
9635 crease_trailers,
9636 tab_invisible,
9637 space_invisible,
9638 sticky_buffer_header,
9639 expand_toggles,
9640 }
9641 })
9642 })
9643 })
9644 }
9645
9646 fn paint(
9647 &mut self,
9648 _: Option<&GlobalElementId>,
9649 _inspector_id: Option<&gpui::InspectorElementId>,
9650 bounds: Bounds<gpui::Pixels>,
9651 _: &mut Self::RequestLayoutState,
9652 layout: &mut Self::PrepaintState,
9653 window: &mut Window,
9654 cx: &mut App,
9655 ) {
9656 if !layout.mode.is_minimap() {
9657 let focus_handle = self.editor.focus_handle(cx);
9658 let key_context = self
9659 .editor
9660 .update(cx, |editor, cx| editor.key_context(window, cx));
9661
9662 window.set_key_context(key_context);
9663 window.handle_input(
9664 &focus_handle,
9665 ElementInputHandler::new(bounds, self.editor.clone()),
9666 cx,
9667 );
9668 self.register_actions(window, cx);
9669 self.register_key_listeners(window, cx, layout);
9670 }
9671
9672 let text_style = TextStyleRefinement {
9673 font_size: Some(self.style.text.font_size),
9674 line_height: Some(self.style.text.line_height),
9675 ..Default::default()
9676 };
9677 let rem_size = self.rem_size(cx);
9678 window.with_rem_size(rem_size, |window| {
9679 window.with_text_style(Some(text_style), |window| {
9680 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9681 self.paint_mouse_listeners(layout, window, cx);
9682 self.paint_background(layout, window, cx);
9683 self.paint_indent_guides(layout, window, cx);
9684
9685 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9686 self.paint_blamed_display_rows(layout, window, cx);
9687 self.paint_line_numbers(layout, window, cx);
9688 }
9689
9690 self.paint_text(layout, window, cx);
9691
9692 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9693 self.paint_gutter_highlights(layout, window, cx);
9694 self.paint_gutter_indicators(layout, window, cx);
9695 }
9696
9697 if !layout.blocks.is_empty() {
9698 window.with_element_namespace("blocks", |window| {
9699 self.paint_blocks(layout, window, cx);
9700 });
9701 }
9702
9703 window.with_element_namespace("blocks", |window| {
9704 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9705 sticky_header.paint(window, cx)
9706 }
9707 });
9708
9709 self.paint_minimap(layout, window, cx);
9710 self.paint_scrollbars(layout, window, cx);
9711 self.paint_edit_prediction_popover(layout, window, cx);
9712 self.paint_mouse_context_menu(layout, window, cx);
9713 });
9714 })
9715 })
9716 }
9717}
9718
9719pub(super) fn gutter_bounds(
9720 editor_bounds: Bounds<Pixels>,
9721 gutter_dimensions: GutterDimensions,
9722) -> Bounds<Pixels> {
9723 Bounds {
9724 origin: editor_bounds.origin,
9725 size: size(gutter_dimensions.width, editor_bounds.size.height),
9726 }
9727}
9728
9729#[derive(Clone, Copy)]
9730struct ContextMenuLayout {
9731 y_flipped: bool,
9732 bounds: Bounds<Pixels>,
9733}
9734
9735/// Holds information required for layouting the editor scrollbars.
9736struct ScrollbarLayoutInformation {
9737 /// The bounds of the editor area (excluding the content offset).
9738 editor_bounds: Bounds<Pixels>,
9739 /// The available range to scroll within the document.
9740 scroll_range: Size<Pixels>,
9741 /// The space available for one glyph in the editor.
9742 glyph_grid_cell: Size<Pixels>,
9743}
9744
9745impl ScrollbarLayoutInformation {
9746 pub fn new(
9747 editor_bounds: Bounds<Pixels>,
9748 glyph_grid_cell: Size<Pixels>,
9749 document_size: Size<Pixels>,
9750 longest_line_blame_width: Pixels,
9751 settings: &EditorSettings,
9752 ) -> Self {
9753 let vertical_overscroll = match settings.scroll_beyond_last_line {
9754 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9755 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9756 ScrollBeyondLastLine::VerticalScrollMargin => {
9757 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9758 }
9759 };
9760
9761 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9762
9763 ScrollbarLayoutInformation {
9764 editor_bounds,
9765 scroll_range: document_size + overscroll,
9766 glyph_grid_cell,
9767 }
9768 }
9769}
9770
9771impl IntoElement for EditorElement {
9772 type Element = Self;
9773
9774 fn into_element(self) -> Self::Element {
9775 self
9776 }
9777}
9778
9779pub struct EditorLayout {
9780 position_map: Rc<PositionMap>,
9781 hitbox: Hitbox,
9782 gutter_hitbox: Hitbox,
9783 content_origin: gpui::Point<Pixels>,
9784 scrollbars_layout: Option<EditorScrollbars>,
9785 minimap: Option<MinimapLayout>,
9786 mode: EditorMode,
9787 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9788 indent_guides: Option<Vec<IndentGuideLayout>>,
9789 visible_display_row_range: Range<DisplayRow>,
9790 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9791 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9792 line_elements: SmallVec<[AnyElement; 1]>,
9793 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9794 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9795 blamed_display_rows: Option<Vec<AnyElement>>,
9796 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9797 inline_blame_layout: Option<InlineBlameLayout>,
9798 inline_code_actions: Option<AnyElement>,
9799 blocks: Vec<BlockLayout>,
9800 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9801 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9802 redacted_ranges: Vec<Range<DisplayPoint>>,
9803 cursors: Vec<(DisplayPoint, Hsla)>,
9804 visible_cursors: Vec<CursorLayout>,
9805 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9806 test_indicators: Vec<AnyElement>,
9807 breakpoints: Vec<AnyElement>,
9808 crease_toggles: Vec<Option<AnyElement>>,
9809 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9810 diff_hunk_controls: Vec<AnyElement>,
9811 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9812 edit_prediction_popover: Option<AnyElement>,
9813 mouse_context_menu: Option<AnyElement>,
9814 tab_invisible: ShapedLine,
9815 space_invisible: ShapedLine,
9816 sticky_buffer_header: Option<AnyElement>,
9817 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9818}
9819
9820impl EditorLayout {
9821 fn line_end_overshoot(&self) -> Pixels {
9822 0.15 * self.position_map.line_height
9823 }
9824}
9825
9826#[derive(Debug)]
9827struct LineNumberSegment {
9828 shaped_line: ShapedLine,
9829 hitbox: Option<Hitbox>,
9830}
9831
9832#[derive(Debug)]
9833struct LineNumberLayout {
9834 segments: SmallVec<[LineNumberSegment; 1]>,
9835}
9836
9837struct ColoredRange<T> {
9838 start: T,
9839 end: T,
9840 color: Hsla,
9841}
9842
9843impl Along for ScrollbarAxes {
9844 type Unit = bool;
9845
9846 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9847 match axis {
9848 ScrollbarAxis::Horizontal => self.horizontal,
9849 ScrollbarAxis::Vertical => self.vertical,
9850 }
9851 }
9852
9853 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9854 match axis {
9855 ScrollbarAxis::Horizontal => ScrollbarAxes {
9856 horizontal: f(self.horizontal),
9857 vertical: self.vertical,
9858 },
9859 ScrollbarAxis::Vertical => ScrollbarAxes {
9860 horizontal: self.horizontal,
9861 vertical: f(self.vertical),
9862 },
9863 }
9864 }
9865}
9866
9867#[derive(Clone)]
9868struct EditorScrollbars {
9869 pub vertical: Option<ScrollbarLayout>,
9870 pub horizontal: Option<ScrollbarLayout>,
9871 pub visible: bool,
9872}
9873
9874impl EditorScrollbars {
9875 pub fn from_scrollbar_axes(
9876 show_scrollbar: ScrollbarAxes,
9877 layout_information: &ScrollbarLayoutInformation,
9878 content_offset: gpui::Point<Pixels>,
9879 scroll_position: gpui::Point<f64>,
9880 scrollbar_width: Pixels,
9881 right_margin: Pixels,
9882 editor_width: Pixels,
9883 show_scrollbars: bool,
9884 scrollbar_state: Option<&ActiveScrollbarState>,
9885 window: &mut Window,
9886 ) -> Self {
9887 let ScrollbarLayoutInformation {
9888 editor_bounds,
9889 scroll_range,
9890 glyph_grid_cell,
9891 } = layout_information;
9892
9893 let viewport_size = size(editor_width, editor_bounds.size.height);
9894
9895 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9896 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9897 Corner::BottomLeft,
9898 editor_bounds.bottom_left(),
9899 size(
9900 // The horizontal viewport size differs from the space available for the
9901 // horizontal scrollbar, so we have to manually stitch it together here.
9902 editor_bounds.size.width - right_margin,
9903 scrollbar_width,
9904 ),
9905 ),
9906 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9907 Corner::TopRight,
9908 editor_bounds.top_right(),
9909 size(scrollbar_width, viewport_size.height),
9910 ),
9911 };
9912
9913 let mut create_scrollbar_layout = |axis| {
9914 let viewport_size = viewport_size.along(axis);
9915 let scroll_range = scroll_range.along(axis);
9916
9917 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9918 (show_scrollbar.along(axis)
9919 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9920 .then(|| {
9921 ScrollbarLayout::new(
9922 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9923 viewport_size,
9924 scroll_range,
9925 glyph_grid_cell.along(axis),
9926 content_offset.along(axis),
9927 scroll_position.along(axis),
9928 show_scrollbars,
9929 axis,
9930 )
9931 .with_thumb_state(
9932 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9933 )
9934 })
9935 };
9936
9937 Self {
9938 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9939 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9940 visible: show_scrollbars,
9941 }
9942 }
9943
9944 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9945 [
9946 (&self.vertical, ScrollbarAxis::Vertical),
9947 (&self.horizontal, ScrollbarAxis::Horizontal),
9948 ]
9949 .into_iter()
9950 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9951 }
9952
9953 /// Returns the currently hovered scrollbar axis, if any.
9954 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9955 self.iter_scrollbars()
9956 .find(|s| s.0.hitbox.is_hovered(window))
9957 }
9958}
9959
9960#[derive(Clone)]
9961struct ScrollbarLayout {
9962 hitbox: Hitbox,
9963 visible_range: Range<ScrollOffset>,
9964 text_unit_size: Pixels,
9965 thumb_bounds: Option<Bounds<Pixels>>,
9966 thumb_state: ScrollbarThumbState,
9967}
9968
9969impl ScrollbarLayout {
9970 const BORDER_WIDTH: Pixels = px(1.0);
9971 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9972 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9973 const MIN_THUMB_SIZE: Pixels = px(25.0);
9974
9975 fn new(
9976 scrollbar_track_hitbox: Hitbox,
9977 viewport_size: Pixels,
9978 scroll_range: Pixels,
9979 glyph_space: Pixels,
9980 content_offset: Pixels,
9981 scroll_position: ScrollOffset,
9982 show_thumb: bool,
9983 axis: ScrollbarAxis,
9984 ) -> Self {
9985 let track_bounds = scrollbar_track_hitbox.bounds;
9986 // The length of the track available to the scrollbar thumb. We deliberately
9987 // exclude the content size here so that the thumb aligns with the content.
9988 let track_length = track_bounds.size.along(axis) - content_offset;
9989
9990 Self::new_with_hitbox_and_track_length(
9991 scrollbar_track_hitbox,
9992 track_length,
9993 viewport_size,
9994 scroll_range.into(),
9995 glyph_space,
9996 content_offset.into(),
9997 scroll_position,
9998 show_thumb,
9999 axis,
10000 )
10001 }
10002
10003 fn for_minimap(
10004 minimap_track_hitbox: Hitbox,
10005 visible_lines: f64,
10006 total_editor_lines: f64,
10007 minimap_line_height: Pixels,
10008 scroll_position: ScrollOffset,
10009 minimap_scroll_top: ScrollOffset,
10010 show_thumb: bool,
10011 ) -> Self {
10012 // The scrollbar thumb size is calculated as
10013 // (visible_content/total_content) Γ scrollbar_track_length.
10014 //
10015 // For the minimap's thumb layout, we leverage this by setting the
10016 // scrollbar track length to the entire document size (using minimap line
10017 // height). This creates a thumb that exactly represents the editor
10018 // viewport scaled to minimap proportions.
10019 //
10020 // We adjust the thumb position relative to `minimap_scroll_top` to
10021 // accommodate for the deliberately oversized track.
10022 //
10023 // This approach ensures that the minimap thumb accurately reflects the
10024 // editor's current scroll position whilst nicely synchronizing the minimap
10025 // thumb and scrollbar thumb.
10026 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10027 let viewport_size = visible_lines * f64::from(minimap_line_height);
10028
10029 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10030
10031 Self::new_with_hitbox_and_track_length(
10032 minimap_track_hitbox,
10033 Pixels::from(scroll_range),
10034 Pixels::from(viewport_size),
10035 scroll_range,
10036 minimap_line_height,
10037 track_top_offset,
10038 scroll_position,
10039 show_thumb,
10040 ScrollbarAxis::Vertical,
10041 )
10042 }
10043
10044 fn new_with_hitbox_and_track_length(
10045 scrollbar_track_hitbox: Hitbox,
10046 track_length: Pixels,
10047 viewport_size: Pixels,
10048 scroll_range: f64,
10049 glyph_space: Pixels,
10050 content_offset: ScrollOffset,
10051 scroll_position: ScrollOffset,
10052 show_thumb: bool,
10053 axis: ScrollbarAxis,
10054 ) -> Self {
10055 let text_units_per_page = f64::from(viewport_size / glyph_space);
10056 let visible_range = scroll_position..scroll_position + text_units_per_page;
10057 let total_text_units = scroll_range / f64::from(glyph_space);
10058
10059 let thumb_percentage = text_units_per_page / total_text_units;
10060 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10061 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10062 .min(track_length);
10063
10064 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10065
10066 let content_larger_than_viewport = text_unit_divisor > 0.;
10067
10068 let text_unit_size = if content_larger_than_viewport {
10069 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10070 } else {
10071 glyph_space
10072 };
10073
10074 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10075 Self::thumb_bounds(
10076 &scrollbar_track_hitbox,
10077 content_offset,
10078 visible_range.start,
10079 text_unit_size,
10080 thumb_size,
10081 axis,
10082 )
10083 });
10084
10085 ScrollbarLayout {
10086 hitbox: scrollbar_track_hitbox,
10087 visible_range,
10088 text_unit_size,
10089 thumb_bounds,
10090 thumb_state: Default::default(),
10091 }
10092 }
10093
10094 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10095 if let Some(thumb_state) = thumb_state {
10096 Self {
10097 thumb_state,
10098 ..self
10099 }
10100 } else {
10101 self
10102 }
10103 }
10104
10105 fn thumb_bounds(
10106 scrollbar_track: &Hitbox,
10107 content_offset: f64,
10108 visible_range_start: f64,
10109 text_unit_size: Pixels,
10110 thumb_size: Pixels,
10111 axis: ScrollbarAxis,
10112 ) -> Bounds<Pixels> {
10113 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10114 origin
10115 + Pixels::from(
10116 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10117 )
10118 });
10119 Bounds::new(
10120 thumb_origin,
10121 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10122 )
10123 }
10124
10125 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10126 self.thumb_bounds
10127 .is_some_and(|bounds| bounds.contains(position))
10128 }
10129
10130 fn marker_quads_for_ranges(
10131 &self,
10132 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10133 column: Option<usize>,
10134 ) -> Vec<PaintQuad> {
10135 struct MinMax {
10136 min: Pixels,
10137 max: Pixels,
10138 }
10139 let (x_range, height_limit) = if let Some(column) = column {
10140 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10141 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10142 let end = start + column_width;
10143 (
10144 Range { start, end },
10145 MinMax {
10146 min: Self::MIN_MARKER_HEIGHT,
10147 max: px(f32::MAX),
10148 },
10149 )
10150 } else {
10151 (
10152 Range {
10153 start: Self::BORDER_WIDTH,
10154 end: self.hitbox.size.width,
10155 },
10156 MinMax {
10157 min: Self::LINE_MARKER_HEIGHT,
10158 max: Self::LINE_MARKER_HEIGHT,
10159 },
10160 )
10161 };
10162
10163 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10164 let mut pixel_ranges = row_ranges
10165 .into_iter()
10166 .map(|range| {
10167 let start_y = row_to_y(range.start);
10168 let end_y = row_to_y(range.end)
10169 + self
10170 .text_unit_size
10171 .max(height_limit.min)
10172 .min(height_limit.max);
10173 ColoredRange {
10174 start: start_y,
10175 end: end_y,
10176 color: range.color,
10177 }
10178 })
10179 .peekable();
10180
10181 let mut quads = Vec::new();
10182 while let Some(mut pixel_range) = pixel_ranges.next() {
10183 while let Some(next_pixel_range) = pixel_ranges.peek() {
10184 if pixel_range.end >= next_pixel_range.start - px(1.0)
10185 && pixel_range.color == next_pixel_range.color
10186 {
10187 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10188 pixel_ranges.next();
10189 } else {
10190 break;
10191 }
10192 }
10193
10194 let bounds = Bounds::from_corners(
10195 point(x_range.start, pixel_range.start),
10196 point(x_range.end, pixel_range.end),
10197 );
10198 quads.push(quad(
10199 bounds,
10200 Corners::default(),
10201 pixel_range.color,
10202 Edges::default(),
10203 Hsla::transparent_black(),
10204 BorderStyle::default(),
10205 ));
10206 }
10207
10208 quads
10209 }
10210}
10211
10212struct MinimapLayout {
10213 pub minimap: AnyElement,
10214 pub thumb_layout: ScrollbarLayout,
10215 pub minimap_scroll_top: ScrollOffset,
10216 pub minimap_line_height: Pixels,
10217 pub thumb_border_style: MinimapThumbBorder,
10218 pub max_scroll_top: ScrollOffset,
10219}
10220
10221impl MinimapLayout {
10222 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10223 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10224 /// The minimap width as a percentage of the editor width.
10225 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10226 /// Calculates the scroll top offset the minimap editor has to have based on the
10227 /// current scroll progress.
10228 fn calculate_minimap_top_offset(
10229 document_lines: f64,
10230 visible_editor_lines: f64,
10231 visible_minimap_lines: f64,
10232 scroll_position: f64,
10233 ) -> ScrollOffset {
10234 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10235 if non_visible_document_lines == 0. {
10236 0.
10237 } else {
10238 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10239 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10240 }
10241 }
10242}
10243
10244struct CreaseTrailerLayout {
10245 element: AnyElement,
10246 bounds: Bounds<Pixels>,
10247}
10248
10249pub(crate) struct PositionMap {
10250 pub size: Size<Pixels>,
10251 pub line_height: Pixels,
10252 pub scroll_position: gpui::Point<ScrollOffset>,
10253 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10254 pub scroll_max: gpui::Point<ScrollOffset>,
10255 pub em_width: Pixels,
10256 pub em_advance: Pixels,
10257 pub visible_row_range: Range<DisplayRow>,
10258 pub line_layouts: Vec<LineWithInvisibles>,
10259 pub snapshot: EditorSnapshot,
10260 pub text_hitbox: Hitbox,
10261 pub gutter_hitbox: Hitbox,
10262 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10263 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10264 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10265}
10266
10267#[derive(Debug, Copy, Clone)]
10268pub struct PointForPosition {
10269 pub previous_valid: DisplayPoint,
10270 pub next_valid: DisplayPoint,
10271 pub exact_unclipped: DisplayPoint,
10272 pub column_overshoot_after_line_end: u32,
10273}
10274
10275impl PointForPosition {
10276 pub fn as_valid(&self) -> Option<DisplayPoint> {
10277 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10278 Some(self.previous_valid)
10279 } else {
10280 None
10281 }
10282 }
10283
10284 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10285 let Some(valid_point) = self.as_valid() else {
10286 return false;
10287 };
10288 let range = selection.range();
10289
10290 let candidate_row = valid_point.row();
10291 let candidate_col = valid_point.column();
10292
10293 let start_row = range.start.row();
10294 let start_col = range.start.column();
10295 let end_row = range.end.row();
10296 let end_col = range.end.column();
10297
10298 if candidate_row < start_row || candidate_row > end_row {
10299 false
10300 } else if start_row == end_row {
10301 candidate_col >= start_col && candidate_col < end_col
10302 } else if candidate_row == start_row {
10303 candidate_col >= start_col
10304 } else if candidate_row == end_row {
10305 candidate_col < end_col
10306 } else {
10307 true
10308 }
10309 }
10310}
10311
10312impl PositionMap {
10313 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10314 let text_bounds = self.text_hitbox.bounds;
10315 let scroll_position = self.snapshot.scroll_position();
10316 let position = position - text_bounds.origin;
10317 let y = position.y.max(px(0.)).min(self.size.height);
10318 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10319 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10320
10321 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10322 .line_layouts
10323 .get(row as usize - scroll_position.y as usize)
10324 {
10325 if let Some(ix) = line.index_for_x(x) {
10326 (ix as u32, px(0.))
10327 } else {
10328 (line.len as u32, px(0.).max(x - line.width))
10329 }
10330 } else {
10331 (0, x)
10332 };
10333
10334 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10335 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10336 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10337
10338 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10339 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10340 PointForPosition {
10341 previous_valid,
10342 next_valid,
10343 exact_unclipped,
10344 column_overshoot_after_line_end,
10345 }
10346 }
10347}
10348
10349struct BlockLayout {
10350 id: BlockId,
10351 x_offset: Pixels,
10352 row: Option<DisplayRow>,
10353 element: AnyElement,
10354 available_space: Size<AvailableSpace>,
10355 style: BlockStyle,
10356 overlaps_gutter: bool,
10357 is_buffer_header: bool,
10358}
10359
10360pub fn layout_line(
10361 row: DisplayRow,
10362 snapshot: &EditorSnapshot,
10363 style: &EditorStyle,
10364 text_width: Pixels,
10365 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10366 window: &mut Window,
10367 cx: &mut App,
10368) -> LineWithInvisibles {
10369 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10370 LineWithInvisibles::from_chunks(
10371 chunks,
10372 style,
10373 MAX_LINE_LEN,
10374 1,
10375 &snapshot.mode,
10376 text_width,
10377 is_row_soft_wrapped,
10378 &[],
10379 window,
10380 cx,
10381 )
10382 .pop()
10383 .unwrap()
10384}
10385
10386#[derive(Debug)]
10387pub struct IndentGuideLayout {
10388 origin: gpui::Point<Pixels>,
10389 length: Pixels,
10390 single_indent_width: Pixels,
10391 depth: u32,
10392 active: bool,
10393 settings: IndentGuideSettings,
10394}
10395
10396pub struct CursorLayout {
10397 origin: gpui::Point<Pixels>,
10398 block_width: Pixels,
10399 line_height: Pixels,
10400 color: Hsla,
10401 shape: CursorShape,
10402 block_text: Option<ShapedLine>,
10403 cursor_name: Option<AnyElement>,
10404}
10405
10406#[derive(Debug)]
10407pub struct CursorName {
10408 string: SharedString,
10409 color: Hsla,
10410 is_top_row: bool,
10411}
10412
10413impl CursorLayout {
10414 pub fn new(
10415 origin: gpui::Point<Pixels>,
10416 block_width: Pixels,
10417 line_height: Pixels,
10418 color: Hsla,
10419 shape: CursorShape,
10420 block_text: Option<ShapedLine>,
10421 ) -> CursorLayout {
10422 CursorLayout {
10423 origin,
10424 block_width,
10425 line_height,
10426 color,
10427 shape,
10428 block_text,
10429 cursor_name: None,
10430 }
10431 }
10432
10433 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10434 Bounds {
10435 origin: self.origin + origin,
10436 size: size(self.block_width, self.line_height),
10437 }
10438 }
10439
10440 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10441 match self.shape {
10442 CursorShape::Bar => Bounds {
10443 origin: self.origin + origin,
10444 size: size(px(2.0), self.line_height),
10445 },
10446 CursorShape::Block | CursorShape::Hollow => Bounds {
10447 origin: self.origin + origin,
10448 size: size(self.block_width, self.line_height),
10449 },
10450 CursorShape::Underline => Bounds {
10451 origin: self.origin
10452 + origin
10453 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10454 size: size(self.block_width, px(2.0)),
10455 },
10456 }
10457 }
10458
10459 pub fn layout(
10460 &mut self,
10461 origin: gpui::Point<Pixels>,
10462 cursor_name: Option<CursorName>,
10463 window: &mut Window,
10464 cx: &mut App,
10465 ) {
10466 if let Some(cursor_name) = cursor_name {
10467 let bounds = self.bounds(origin);
10468 let text_size = self.line_height / 1.5;
10469
10470 let name_origin = if cursor_name.is_top_row {
10471 point(bounds.right() - px(1.), bounds.top())
10472 } else {
10473 match self.shape {
10474 CursorShape::Bar => point(
10475 bounds.right() - px(2.),
10476 bounds.top() - text_size / 2. - px(1.),
10477 ),
10478 _ => point(
10479 bounds.right() - px(1.),
10480 bounds.top() - text_size / 2. - px(1.),
10481 ),
10482 }
10483 };
10484 let mut name_element = div()
10485 .bg(self.color)
10486 .text_size(text_size)
10487 .px_0p5()
10488 .line_height(text_size + px(2.))
10489 .text_color(cursor_name.color)
10490 .child(cursor_name.string)
10491 .into_any_element();
10492
10493 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10494
10495 self.cursor_name = Some(name_element);
10496 }
10497 }
10498
10499 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10500 let bounds = self.bounds(origin);
10501
10502 //Draw background or border quad
10503 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10504 outline(bounds, self.color, BorderStyle::Solid)
10505 } else {
10506 fill(bounds, self.color)
10507 };
10508
10509 if let Some(name) = &mut self.cursor_name {
10510 name.paint(window, cx);
10511 }
10512
10513 window.paint_quad(cursor);
10514
10515 if let Some(block_text) = &self.block_text {
10516 block_text
10517 .paint(self.origin + origin, self.line_height, window, cx)
10518 .log_err();
10519 }
10520 }
10521
10522 pub fn shape(&self) -> CursorShape {
10523 self.shape
10524 }
10525}
10526
10527#[derive(Debug)]
10528pub struct HighlightedRange {
10529 pub start_y: Pixels,
10530 pub line_height: Pixels,
10531 pub lines: Vec<HighlightedRangeLine>,
10532 pub color: Hsla,
10533 pub corner_radius: Pixels,
10534}
10535
10536#[derive(Debug)]
10537pub struct HighlightedRangeLine {
10538 pub start_x: Pixels,
10539 pub end_x: Pixels,
10540}
10541
10542impl HighlightedRange {
10543 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10544 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10545 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10546 self.paint_lines(
10547 self.start_y + self.line_height,
10548 &self.lines[1..],
10549 fill,
10550 bounds,
10551 window,
10552 );
10553 } else {
10554 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10555 }
10556 }
10557
10558 fn paint_lines(
10559 &self,
10560 start_y: Pixels,
10561 lines: &[HighlightedRangeLine],
10562 fill: bool,
10563 _bounds: Bounds<Pixels>,
10564 window: &mut Window,
10565 ) {
10566 if lines.is_empty() {
10567 return;
10568 }
10569
10570 let first_line = lines.first().unwrap();
10571 let last_line = lines.last().unwrap();
10572
10573 let first_top_left = point(first_line.start_x, start_y);
10574 let first_top_right = point(first_line.end_x, start_y);
10575
10576 let curve_height = point(Pixels::ZERO, self.corner_radius);
10577 let curve_width = |start_x: Pixels, end_x: Pixels| {
10578 let max = (end_x - start_x) / 2.;
10579 let width = if max < self.corner_radius {
10580 max
10581 } else {
10582 self.corner_radius
10583 };
10584
10585 point(width, Pixels::ZERO)
10586 };
10587
10588 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10589 let mut builder = if fill {
10590 gpui::PathBuilder::fill()
10591 } else {
10592 gpui::PathBuilder::stroke(px(1.))
10593 };
10594 builder.move_to(first_top_right - top_curve_width);
10595 builder.curve_to(first_top_right + curve_height, first_top_right);
10596
10597 let mut iter = lines.iter().enumerate().peekable();
10598 while let Some((ix, line)) = iter.next() {
10599 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10600
10601 if let Some((_, next_line)) = iter.peek() {
10602 let next_top_right = point(next_line.end_x, bottom_right.y);
10603
10604 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10605 Ordering::Equal => {
10606 builder.line_to(bottom_right);
10607 }
10608 Ordering::Less => {
10609 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10610 builder.line_to(bottom_right - curve_height);
10611 if self.corner_radius > Pixels::ZERO {
10612 builder.curve_to(bottom_right - curve_width, bottom_right);
10613 }
10614 builder.line_to(next_top_right + curve_width);
10615 if self.corner_radius > Pixels::ZERO {
10616 builder.curve_to(next_top_right + curve_height, next_top_right);
10617 }
10618 }
10619 Ordering::Greater => {
10620 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10621 builder.line_to(bottom_right - curve_height);
10622 if self.corner_radius > Pixels::ZERO {
10623 builder.curve_to(bottom_right + curve_width, bottom_right);
10624 }
10625 builder.line_to(next_top_right - curve_width);
10626 if self.corner_radius > Pixels::ZERO {
10627 builder.curve_to(next_top_right + curve_height, next_top_right);
10628 }
10629 }
10630 }
10631 } else {
10632 let curve_width = curve_width(line.start_x, line.end_x);
10633 builder.line_to(bottom_right - curve_height);
10634 if self.corner_radius > Pixels::ZERO {
10635 builder.curve_to(bottom_right - curve_width, bottom_right);
10636 }
10637
10638 let bottom_left = point(line.start_x, bottom_right.y);
10639 builder.line_to(bottom_left + curve_width);
10640 if self.corner_radius > Pixels::ZERO {
10641 builder.curve_to(bottom_left - curve_height, bottom_left);
10642 }
10643 }
10644 }
10645
10646 if first_line.start_x > last_line.start_x {
10647 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10648 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10649 builder.line_to(second_top_left + curve_height);
10650 if self.corner_radius > Pixels::ZERO {
10651 builder.curve_to(second_top_left + curve_width, second_top_left);
10652 }
10653 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10654 builder.line_to(first_bottom_left - curve_width);
10655 if self.corner_radius > Pixels::ZERO {
10656 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10657 }
10658 }
10659
10660 builder.line_to(first_top_left + curve_height);
10661 if self.corner_radius > Pixels::ZERO {
10662 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10663 }
10664 builder.line_to(first_top_right - top_curve_width);
10665
10666 if let Ok(path) = builder.build() {
10667 window.paint_path(path, self.color);
10668 }
10669 }
10670}
10671
10672enum CursorPopoverType {
10673 CodeContextMenu,
10674 EditPrediction,
10675}
10676
10677pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10678 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10679}
10680
10681fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10682 (delta.pow(1.2) / 300.0).into()
10683}
10684
10685pub fn register_action<T: Action>(
10686 editor: &Entity<Editor>,
10687 window: &mut Window,
10688 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10689) {
10690 let editor = editor.clone();
10691 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10692 let action = action.downcast_ref().unwrap();
10693 if phase == DispatchPhase::Bubble {
10694 editor.update(cx, |editor, cx| {
10695 listener(editor, action, window, cx);
10696 })
10697 }
10698 })
10699}
10700
10701fn compute_auto_height_layout(
10702 editor: &mut Editor,
10703 min_lines: usize,
10704 max_lines: Option<usize>,
10705 max_line_number_width: Pixels,
10706 known_dimensions: Size<Option<Pixels>>,
10707 available_width: AvailableSpace,
10708 window: &mut Window,
10709 cx: &mut Context<Editor>,
10710) -> Option<Size<Pixels>> {
10711 let width = known_dimensions.width.or({
10712 if let AvailableSpace::Definite(available_width) = available_width {
10713 Some(available_width)
10714 } else {
10715 None
10716 }
10717 })?;
10718 if let Some(height) = known_dimensions.height {
10719 return Some(size(width, height));
10720 }
10721
10722 let style = editor.style.as_ref().unwrap();
10723 let font_id = window.text_system().resolve_font(&style.text.font());
10724 let font_size = style.text.font_size.to_pixels(window.rem_size());
10725 let line_height = style.text.line_height_in_pixels(window.rem_size());
10726 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10727
10728 let mut snapshot = editor.snapshot(window, cx);
10729 let gutter_dimensions = snapshot
10730 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10731 .or_else(|| {
10732 editor
10733 .offset_content
10734 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10735 })
10736 .unwrap_or_default();
10737
10738 editor.gutter_dimensions = gutter_dimensions;
10739 let text_width = width - gutter_dimensions.width;
10740 let overscroll = size(em_width, px(0.));
10741
10742 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10743 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10744 && editor.set_wrap_width(Some(editor_width), cx)
10745 {
10746 snapshot = editor.snapshot(window, cx);
10747 }
10748
10749 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10750
10751 let min_height = line_height * min_lines as f32;
10752 let content_height = scroll_height.max(min_height);
10753
10754 let final_height = if let Some(max_lines) = max_lines {
10755 let max_height = line_height * max_lines as f32;
10756 content_height.min(max_height)
10757 } else {
10758 content_height
10759 };
10760
10761 Some(size(width, final_height))
10762}
10763
10764#[cfg(test)]
10765mod tests {
10766 use super::*;
10767 use crate::{
10768 Editor, MultiBuffer, SelectionEffects,
10769 display_map::{BlockPlacement, BlockProperties},
10770 editor_tests::{init_test, update_test_language_settings},
10771 };
10772 use gpui::{TestAppContext, VisualTestContext};
10773 use language::language_settings;
10774 use log::info;
10775 use std::num::NonZeroU32;
10776 use util::test::sample_text;
10777
10778 #[gpui::test]
10779 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10780 init_test(cx, |_| {});
10781
10782 let window = cx.add_window(|window, cx| {
10783 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10784 let mut editor = Editor::new(
10785 EditorMode::AutoHeight {
10786 min_lines: 1,
10787 max_lines: None,
10788 },
10789 buffer,
10790 None,
10791 window,
10792 cx,
10793 );
10794 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10795 editor
10796 });
10797 let cx = &mut VisualTestContext::from_window(*window, cx);
10798 let editor = window.root(cx).unwrap();
10799 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10800
10801 for x in 1..=100 {
10802 let (_, state) = cx.draw(
10803 Default::default(),
10804 size(px(200. + 0.13 * x as f32), px(500.)),
10805 |_, _| EditorElement::new(&editor, style.clone()),
10806 );
10807
10808 assert!(
10809 state.position_map.scroll_max.x == 0.,
10810 "Soft wrapped editor should have no horizontal scrolling!"
10811 );
10812 }
10813 }
10814
10815 #[gpui::test]
10816 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10817 init_test(cx, |_| {});
10818
10819 let window = cx.add_window(|window, cx| {
10820 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10821 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10822 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10823 editor
10824 });
10825 let cx = &mut VisualTestContext::from_window(*window, cx);
10826 let editor = window.root(cx).unwrap();
10827 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10828
10829 for x in 1..=100 {
10830 let (_, state) = cx.draw(
10831 Default::default(),
10832 size(px(200. + 0.13 * x as f32), px(500.)),
10833 |_, _| EditorElement::new(&editor, style.clone()),
10834 );
10835
10836 assert!(
10837 state.position_map.scroll_max.x == 0.,
10838 "Soft wrapped editor should have no horizontal scrolling!"
10839 );
10840 }
10841 }
10842
10843 #[gpui::test]
10844 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10845 init_test(cx, |_| {});
10846 let window = cx.add_window(|window, cx| {
10847 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10848 Editor::new(EditorMode::full(), buffer, None, window, cx)
10849 });
10850
10851 let editor = window.root(cx).unwrap();
10852 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10853 let line_height = window
10854 .update(cx, |_, window, _| {
10855 style.text.line_height_in_pixels(window.rem_size())
10856 })
10857 .unwrap();
10858 let element = EditorElement::new(&editor, style);
10859 let snapshot = window
10860 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10861 .unwrap();
10862
10863 let layouts = cx
10864 .update_window(*window, |_, window, cx| {
10865 element.layout_line_numbers(
10866 None,
10867 GutterDimensions {
10868 left_padding: Pixels::ZERO,
10869 right_padding: Pixels::ZERO,
10870 width: px(30.0),
10871 margin: Pixels::ZERO,
10872 git_blame_entries_width: None,
10873 },
10874 line_height,
10875 gpui::Point::default(),
10876 DisplayRow(0)..DisplayRow(6),
10877 &(0..6)
10878 .map(|row| RowInfo {
10879 buffer_row: Some(row),
10880 ..Default::default()
10881 })
10882 .collect::<Vec<_>>(),
10883 &BTreeMap::default(),
10884 Some(DisplayPoint::new(DisplayRow(0), 0)),
10885 &snapshot,
10886 window,
10887 cx,
10888 )
10889 })
10890 .unwrap();
10891 assert_eq!(layouts.len(), 6);
10892
10893 let relative_rows = window
10894 .update(cx, |editor, window, cx| {
10895 let snapshot = editor.snapshot(window, cx);
10896 element.calculate_relative_line_numbers(
10897 &snapshot,
10898 &(DisplayRow(0)..DisplayRow(6)),
10899 Some(DisplayRow(3)),
10900 false,
10901 )
10902 })
10903 .unwrap();
10904 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10905 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10906 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10907 // current line has no relative number
10908 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10909 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10910
10911 // works if cursor is before screen
10912 let relative_rows = window
10913 .update(cx, |editor, window, cx| {
10914 let snapshot = editor.snapshot(window, cx);
10915 element.calculate_relative_line_numbers(
10916 &snapshot,
10917 &(DisplayRow(3)..DisplayRow(6)),
10918 Some(DisplayRow(1)),
10919 false,
10920 )
10921 })
10922 .unwrap();
10923 assert_eq!(relative_rows.len(), 3);
10924 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10925 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10926 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10927
10928 // works if cursor is after screen
10929 let relative_rows = window
10930 .update(cx, |editor, window, cx| {
10931 let snapshot = editor.snapshot(window, cx);
10932 element.calculate_relative_line_numbers(
10933 &snapshot,
10934 &(DisplayRow(0)..DisplayRow(3)),
10935 Some(DisplayRow(6)),
10936 false,
10937 )
10938 })
10939 .unwrap();
10940 assert_eq!(relative_rows.len(), 3);
10941 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10942 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10943 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10944 }
10945
10946 #[gpui::test]
10947 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10948 init_test(cx, |_| {});
10949 let window = cx.add_window(|window, cx| {
10950 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10951 Editor::new(EditorMode::full(), buffer, None, window, cx)
10952 });
10953
10954 update_test_language_settings(cx, |s| {
10955 s.defaults.preferred_line_length = Some(5_u32);
10956 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10957 });
10958
10959 let editor = window.root(cx).unwrap();
10960 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10961 let line_height = window
10962 .update(cx, |_, window, _| {
10963 style.text.line_height_in_pixels(window.rem_size())
10964 })
10965 .unwrap();
10966 let element = EditorElement::new(&editor, style);
10967 let snapshot = window
10968 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10969 .unwrap();
10970
10971 let layouts = cx
10972 .update_window(*window, |_, window, cx| {
10973 element.layout_line_numbers(
10974 None,
10975 GutterDimensions {
10976 left_padding: Pixels::ZERO,
10977 right_padding: Pixels::ZERO,
10978 width: px(30.0),
10979 margin: Pixels::ZERO,
10980 git_blame_entries_width: None,
10981 },
10982 line_height,
10983 gpui::Point::default(),
10984 DisplayRow(0)..DisplayRow(6),
10985 &(0..6)
10986 .map(|row| RowInfo {
10987 buffer_row: Some(row),
10988 ..Default::default()
10989 })
10990 .collect::<Vec<_>>(),
10991 &BTreeMap::default(),
10992 Some(DisplayPoint::new(DisplayRow(0), 0)),
10993 &snapshot,
10994 window,
10995 cx,
10996 )
10997 })
10998 .unwrap();
10999 assert_eq!(layouts.len(), 3);
11000
11001 let relative_rows = window
11002 .update(cx, |editor, window, cx| {
11003 let snapshot = editor.snapshot(window, cx);
11004 element.calculate_relative_line_numbers(
11005 &snapshot,
11006 &(DisplayRow(0)..DisplayRow(6)),
11007 Some(DisplayRow(3)),
11008 true,
11009 )
11010 })
11011 .unwrap();
11012
11013 assert_eq!(relative_rows[&DisplayRow(0)], 3);
11014 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11015 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11016 // current line has no relative number
11017 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11018 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11019 }
11020
11021 #[gpui::test]
11022 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11023 init_test(cx, |_| {});
11024
11025 let window = cx.add_window(|window, cx| {
11026 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11027 Editor::new(EditorMode::full(), buffer, None, window, cx)
11028 });
11029 let cx = &mut VisualTestContext::from_window(*window, cx);
11030 let editor = window.root(cx).unwrap();
11031 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11032
11033 window
11034 .update(cx, |editor, window, cx| {
11035 editor.cursor_shape = CursorShape::Block;
11036 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11037 s.select_ranges([
11038 Point::new(0, 0)..Point::new(1, 0),
11039 Point::new(3, 2)..Point::new(3, 3),
11040 Point::new(5, 6)..Point::new(6, 0),
11041 ]);
11042 });
11043 })
11044 .unwrap();
11045
11046 let (_, state) = cx.draw(
11047 point(px(500.), px(500.)),
11048 size(px(500.), px(500.)),
11049 |_, _| EditorElement::new(&editor, style),
11050 );
11051
11052 assert_eq!(state.selections.len(), 1);
11053 let local_selections = &state.selections[0].1;
11054 assert_eq!(local_selections.len(), 3);
11055 // moves cursor back one line
11056 assert_eq!(
11057 local_selections[0].head,
11058 DisplayPoint::new(DisplayRow(0), 6)
11059 );
11060 assert_eq!(
11061 local_selections[0].range,
11062 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11063 );
11064
11065 // moves cursor back one column
11066 assert_eq!(
11067 local_selections[1].range,
11068 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11069 );
11070 assert_eq!(
11071 local_selections[1].head,
11072 DisplayPoint::new(DisplayRow(3), 2)
11073 );
11074
11075 // leaves cursor on the max point
11076 assert_eq!(
11077 local_selections[2].range,
11078 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11079 );
11080 assert_eq!(
11081 local_selections[2].head,
11082 DisplayPoint::new(DisplayRow(6), 0)
11083 );
11084
11085 // active lines does not include 1 (even though the range of the selection does)
11086 assert_eq!(
11087 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11088 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11089 );
11090 }
11091
11092 #[gpui::test]
11093 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11094 init_test(cx, |_| {});
11095
11096 let window = cx.add_window(|window, cx| {
11097 let buffer = MultiBuffer::build_simple("", cx);
11098 Editor::new(EditorMode::full(), buffer, None, window, cx)
11099 });
11100 let cx = &mut VisualTestContext::from_window(*window, cx);
11101 let editor = window.root(cx).unwrap();
11102 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11103 window
11104 .update(cx, |editor, window, cx| {
11105 editor.set_placeholder_text("hello", window, cx);
11106 editor.insert_blocks(
11107 [BlockProperties {
11108 style: BlockStyle::Fixed,
11109 placement: BlockPlacement::Above(Anchor::min()),
11110 height: Some(3),
11111 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11112 priority: 0,
11113 }],
11114 None,
11115 cx,
11116 );
11117
11118 // Blur the editor so that it displays placeholder text.
11119 window.blur();
11120 })
11121 .unwrap();
11122
11123 let (_, state) = cx.draw(
11124 point(px(500.), px(500.)),
11125 size(px(500.), px(500.)),
11126 |_, _| EditorElement::new(&editor, style),
11127 );
11128 assert_eq!(state.position_map.line_layouts.len(), 4);
11129 assert_eq!(state.line_numbers.len(), 1);
11130 assert_eq!(
11131 state
11132 .line_numbers
11133 .get(&MultiBufferRow(0))
11134 .map(|line_number| line_number
11135 .segments
11136 .first()
11137 .unwrap()
11138 .shaped_line
11139 .text
11140 .as_ref()),
11141 Some("1")
11142 );
11143 }
11144
11145 #[gpui::test]
11146 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11147 const TAB_SIZE: u32 = 4;
11148
11149 let input_text = "\t \t|\t| a b";
11150 let expected_invisibles = vec![
11151 Invisible::Tab {
11152 line_start_offset: 0,
11153 line_end_offset: TAB_SIZE as usize,
11154 },
11155 Invisible::Whitespace {
11156 line_offset: TAB_SIZE as usize,
11157 },
11158 Invisible::Tab {
11159 line_start_offset: TAB_SIZE as usize + 1,
11160 line_end_offset: TAB_SIZE as usize * 2,
11161 },
11162 Invisible::Tab {
11163 line_start_offset: TAB_SIZE as usize * 2 + 1,
11164 line_end_offset: TAB_SIZE as usize * 3,
11165 },
11166 Invisible::Whitespace {
11167 line_offset: TAB_SIZE as usize * 3 + 1,
11168 },
11169 Invisible::Whitespace {
11170 line_offset: TAB_SIZE as usize * 3 + 3,
11171 },
11172 ];
11173 assert_eq!(
11174 expected_invisibles.len(),
11175 input_text
11176 .chars()
11177 .filter(|initial_char| initial_char.is_whitespace())
11178 .count(),
11179 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11180 );
11181
11182 for show_line_numbers in [true, false] {
11183 init_test(cx, |s| {
11184 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11185 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11186 });
11187
11188 let actual_invisibles = collect_invisibles_from_new_editor(
11189 cx,
11190 EditorMode::full(),
11191 input_text,
11192 px(500.0),
11193 show_line_numbers,
11194 );
11195
11196 assert_eq!(expected_invisibles, actual_invisibles);
11197 }
11198 }
11199
11200 #[gpui::test]
11201 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11202 init_test(cx, |s| {
11203 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11204 s.defaults.tab_size = NonZeroU32::new(4);
11205 });
11206
11207 for editor_mode_without_invisibles in [
11208 EditorMode::SingleLine,
11209 EditorMode::AutoHeight {
11210 min_lines: 1,
11211 max_lines: Some(100),
11212 },
11213 ] {
11214 for show_line_numbers in [true, false] {
11215 let invisibles = collect_invisibles_from_new_editor(
11216 cx,
11217 editor_mode_without_invisibles.clone(),
11218 "\t\t\t| | a b",
11219 px(500.0),
11220 show_line_numbers,
11221 );
11222 assert!(
11223 invisibles.is_empty(),
11224 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11225 );
11226 }
11227 }
11228 }
11229
11230 #[gpui::test]
11231 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11232 let tab_size = 4;
11233 let input_text = "a\tbcd ".repeat(9);
11234 let repeated_invisibles = [
11235 Invisible::Tab {
11236 line_start_offset: 1,
11237 line_end_offset: tab_size as usize,
11238 },
11239 Invisible::Whitespace {
11240 line_offset: tab_size as usize + 3,
11241 },
11242 Invisible::Whitespace {
11243 line_offset: tab_size as usize + 4,
11244 },
11245 Invisible::Whitespace {
11246 line_offset: tab_size as usize + 5,
11247 },
11248 Invisible::Whitespace {
11249 line_offset: tab_size as usize + 6,
11250 },
11251 Invisible::Whitespace {
11252 line_offset: tab_size as usize + 7,
11253 },
11254 ];
11255 let expected_invisibles = std::iter::once(repeated_invisibles)
11256 .cycle()
11257 .take(9)
11258 .flatten()
11259 .collect::<Vec<_>>();
11260 assert_eq!(
11261 expected_invisibles.len(),
11262 input_text
11263 .chars()
11264 .filter(|initial_char| initial_char.is_whitespace())
11265 .count(),
11266 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11267 );
11268 info!("Expected invisibles: {expected_invisibles:?}");
11269
11270 init_test(cx, |_| {});
11271
11272 // Put the same string with repeating whitespace pattern into editors of various size,
11273 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11274 let resize_step = 10.0;
11275 let mut editor_width = 200.0;
11276 while editor_width <= 1000.0 {
11277 for show_line_numbers in [true, false] {
11278 update_test_language_settings(cx, |s| {
11279 s.defaults.tab_size = NonZeroU32::new(tab_size);
11280 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11281 s.defaults.preferred_line_length = Some(editor_width as u32);
11282 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11283 });
11284
11285 let actual_invisibles = collect_invisibles_from_new_editor(
11286 cx,
11287 EditorMode::full(),
11288 &input_text,
11289 px(editor_width),
11290 show_line_numbers,
11291 );
11292
11293 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11294 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11295 let mut i = 0;
11296 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11297 i = actual_index;
11298 match expected_invisibles.get(i) {
11299 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11300 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11301 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11302 _ => {
11303 panic!(
11304 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11305 )
11306 }
11307 },
11308 None => {
11309 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11310 }
11311 }
11312 }
11313 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11314 assert!(
11315 missing_expected_invisibles.is_empty(),
11316 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11317 );
11318
11319 editor_width += resize_step;
11320 }
11321 }
11322 }
11323
11324 fn collect_invisibles_from_new_editor(
11325 cx: &mut TestAppContext,
11326 editor_mode: EditorMode,
11327 input_text: &str,
11328 editor_width: Pixels,
11329 show_line_numbers: bool,
11330 ) -> Vec<Invisible> {
11331 info!(
11332 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11333 f32::from(editor_width)
11334 );
11335 let window = cx.add_window(|window, cx| {
11336 let buffer = MultiBuffer::build_simple(input_text, cx);
11337 Editor::new(editor_mode, buffer, None, window, cx)
11338 });
11339 let cx = &mut VisualTestContext::from_window(*window, cx);
11340 let editor = window.root(cx).unwrap();
11341
11342 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11343 window
11344 .update(cx, |editor, _, cx| {
11345 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11346 editor.set_wrap_width(Some(editor_width), cx);
11347 editor.set_show_line_numbers(show_line_numbers, cx);
11348 })
11349 .unwrap();
11350 let (_, state) = cx.draw(
11351 point(px(500.), px(500.)),
11352 size(px(500.), px(500.)),
11353 |_, _| EditorElement::new(&editor, style),
11354 );
11355 state
11356 .position_map
11357 .line_layouts
11358 .iter()
11359 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11360 .cloned()
11361 .collect()
11362 }
11363
11364 #[gpui::test]
11365 fn test_merge_overlapping_ranges() {
11366 let base_bg = Hsla::white();
11367 let color1 = Hsla {
11368 h: 0.0,
11369 s: 0.5,
11370 l: 0.5,
11371 a: 0.5,
11372 };
11373 let color2 = Hsla {
11374 h: 120.0,
11375 s: 0.5,
11376 l: 0.5,
11377 a: 0.5,
11378 };
11379
11380 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11381 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11382 v.iter()
11383 .map(|(r, _)| (r.start.column(), r.end.column()))
11384 .collect()
11385 };
11386
11387 // Test overlapping ranges blend colors
11388 let overlapping = vec![
11389 (display_point(5)..display_point(15), color1),
11390 (display_point(10)..display_point(20), color2),
11391 ];
11392 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11393 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11394
11395 // Test middle segment should have blended color
11396 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11397 assert_eq!(result[1].1, blended);
11398
11399 // Test adjacent same-color ranges merge
11400 let adjacent_same = vec![
11401 (display_point(5)..display_point(10), color1),
11402 (display_point(10)..display_point(15), color1),
11403 ];
11404 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11405 assert_eq!(cols(&result), vec![(5, 15)]);
11406
11407 // Test contained range splits
11408 let contained = vec![
11409 (display_point(5)..display_point(20), color1),
11410 (display_point(10)..display_point(15), color2),
11411 ];
11412 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11413 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11414
11415 // Test multiple overlaps split at every boundary
11416 let color3 = Hsla {
11417 h: 240.0,
11418 s: 0.5,
11419 l: 0.5,
11420 a: 0.5,
11421 };
11422 let complex = vec![
11423 (display_point(5)..display_point(12), color1),
11424 (display_point(8)..display_point(16), color2),
11425 (display_point(10)..display_point(14), color3),
11426 ];
11427 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11428 assert_eq!(
11429 cols(&result),
11430 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11431 );
11432 }
11433
11434 #[gpui::test]
11435 fn test_bg_segments_per_row() {
11436 let base_bg = Hsla::white();
11437
11438 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11439 {
11440 let selection_color = Hsla {
11441 h: 200.0,
11442 s: 0.5,
11443 l: 0.5,
11444 a: 0.5,
11445 };
11446 let player_color = PlayerColor {
11447 cursor: selection_color,
11448 background: selection_color,
11449 selection: selection_color,
11450 };
11451
11452 let spanning_selection = SelectionLayout {
11453 head: DisplayPoint::new(DisplayRow(3), 7),
11454 cursor_shape: CursorShape::Bar,
11455 is_newest: true,
11456 is_local: true,
11457 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11458 active_rows: DisplayRow(1)..DisplayRow(4),
11459 user_name: None,
11460 };
11461
11462 let selections = vec![(player_color, vec![spanning_selection])];
11463 let result = EditorElement::bg_segments_per_row(
11464 DisplayRow(0)..DisplayRow(5),
11465 &selections,
11466 &[],
11467 base_bg,
11468 );
11469
11470 assert_eq!(result.len(), 5);
11471 assert!(result[0].is_empty());
11472 assert_eq!(result[1].len(), 1);
11473 assert_eq!(result[2].len(), 1);
11474 assert_eq!(result[3].len(), 1);
11475 assert!(result[4].is_empty());
11476
11477 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11478 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11479 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11480 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11481 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11482 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11483 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11484 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11485 }
11486
11487 // Case B: selection ends exactly at the start of row 3, excluding row 3
11488 {
11489 let selection_color = Hsla {
11490 h: 120.0,
11491 s: 0.5,
11492 l: 0.5,
11493 a: 0.5,
11494 };
11495 let player_color = PlayerColor {
11496 cursor: selection_color,
11497 background: selection_color,
11498 selection: selection_color,
11499 };
11500
11501 let selection = SelectionLayout {
11502 head: DisplayPoint::new(DisplayRow(2), 0),
11503 cursor_shape: CursorShape::Bar,
11504 is_newest: true,
11505 is_local: true,
11506 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11507 active_rows: DisplayRow(1)..DisplayRow(3),
11508 user_name: None,
11509 };
11510
11511 let selections = vec![(player_color, vec![selection])];
11512 let result = EditorElement::bg_segments_per_row(
11513 DisplayRow(0)..DisplayRow(4),
11514 &selections,
11515 &[],
11516 base_bg,
11517 );
11518
11519 assert_eq!(result.len(), 4);
11520 assert!(result[0].is_empty());
11521 assert_eq!(result[1].len(), 1);
11522 assert_eq!(result[2].len(), 1);
11523 assert!(result[3].is_empty());
11524
11525 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11526 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11527 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11528 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11529 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11530 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11531 }
11532 }
11533
11534 #[cfg(test)]
11535 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11536 TextRun {
11537 len,
11538 font: gpui::font(".SystemUIFont"),
11539 color,
11540 background_color: None,
11541 underline: None,
11542 strikethrough: None,
11543 }
11544 }
11545
11546 #[gpui::test]
11547 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11548 init_test(cx, |_| {});
11549
11550 let dx = |start: u32, end: u32| {
11551 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11552 };
11553
11554 let text_color = Hsla {
11555 h: 210.0,
11556 s: 0.1,
11557 l: 0.4,
11558 a: 1.0,
11559 };
11560 let bg_1 = Hsla {
11561 h: 30.0,
11562 s: 0.6,
11563 l: 0.8,
11564 a: 1.0,
11565 };
11566 let bg_2 = Hsla {
11567 h: 200.0,
11568 s: 0.6,
11569 l: 0.2,
11570 a: 1.0,
11571 };
11572 let min_contrast = 45.0;
11573 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11574 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11575
11576 // Case A: single run; disjoint segments inside the run
11577 {
11578 let runs = vec![generate_test_run(20, text_color)];
11579 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11580 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11581 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11582 assert_eq!(
11583 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11584 vec![5, 5, 2, 4, 4]
11585 );
11586 assert_eq!(out[0].color, text_color);
11587 assert_eq!(out[1].color, adjusted_bg1);
11588 assert_eq!(out[2].color, text_color);
11589 assert_eq!(out[3].color, adjusted_bg2);
11590 assert_eq!(out[4].color, text_color);
11591 }
11592
11593 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11594 {
11595 let runs = vec![
11596 generate_test_run(8, text_color),
11597 generate_test_run(7, text_color),
11598 ];
11599 let segs = vec![(dx(6, u32::MAX), bg_1)];
11600 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11601 // Expected slices across runs: [0,6) [6,8) | [0,7)
11602 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11603 assert_eq!(out[0].color, text_color);
11604 assert_eq!(out[1].color, adjusted_bg1);
11605 assert_eq!(out[2].color, adjusted_bg1);
11606 }
11607
11608 // Case C: multi-byte characters
11609 {
11610 // for text: "Hello π δΈη!"
11611 let runs = vec![
11612 generate_test_run(5, text_color), // "Hello"
11613 generate_test_run(6, text_color), // " π "
11614 generate_test_run(6, text_color), // "δΈη"
11615 generate_test_run(1, text_color), // "!"
11616 ];
11617 // selecting "π δΈ"
11618 let segs = vec![(dx(6, 14), bg_1)];
11619 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11620 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11621 assert_eq!(
11622 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11623 vec![5, 1, 5, 3, 3, 1]
11624 );
11625 assert_eq!(out[0].color, text_color); // "Hello"
11626 assert_eq!(out[2].color, adjusted_bg1); // "π "
11627 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11628 assert_eq!(out[4].color, text_color); // "η"
11629 assert_eq!(out[5].color, text_color); // "!"
11630 }
11631
11632 // Case D: split multiple consecutive text runs with segments
11633 {
11634 let segs = vec![
11635 (dx(2, 4), bg_1), // selecting "cd"
11636 (dx(4, 8), bg_2), // selecting "efgh"
11637 (dx(9, 11), bg_1), // selecting "jk"
11638 (dx(12, 16), bg_2), // selecting "mnop"
11639 (dx(18, 19), bg_1), // selecting "s"
11640 ];
11641
11642 // for text: "abcdef"
11643 let runs = vec![
11644 generate_test_run(2, text_color), // ab
11645 generate_test_run(4, text_color), // cdef
11646 ];
11647 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11648 // new splits "ab", "cd", "ef"
11649 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11650 assert_eq!(out[0].color, text_color);
11651 assert_eq!(out[1].color, adjusted_bg1);
11652 assert_eq!(out[2].color, adjusted_bg2);
11653
11654 // for text: "ghijklmn"
11655 let runs = vec![
11656 generate_test_run(3, text_color), // ghi
11657 generate_test_run(2, text_color), // jk
11658 generate_test_run(3, text_color), // lmn
11659 ];
11660 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11661 // new splits "gh", "i", "jk", "l", "mn"
11662 assert_eq!(
11663 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11664 vec![2, 1, 2, 1, 2]
11665 );
11666 assert_eq!(out[0].color, adjusted_bg2);
11667 assert_eq!(out[1].color, text_color);
11668 assert_eq!(out[2].color, adjusted_bg1);
11669 assert_eq!(out[3].color, text_color);
11670 assert_eq!(out[4].color, adjusted_bg2);
11671
11672 // for text: "opqrs"
11673 let runs = vec![
11674 generate_test_run(1, text_color), // o
11675 generate_test_run(4, text_color), // pqrs
11676 ];
11677 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11678 // new splits "o", "p", "qr", "s"
11679 assert_eq!(
11680 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11681 vec![1, 1, 2, 1]
11682 );
11683 assert_eq!(out[0].color, adjusted_bg2);
11684 assert_eq!(out[1].color, adjusted_bg2);
11685 assert_eq!(out[2].color, text_color);
11686 assert_eq!(out[3].color, adjusted_bg1);
11687 }
11688 }
11689}