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