1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{ActiveScrollbarState, ScrollbarThumbState, scroll_amount::ScrollAmount},
32};
33use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
34use collections::{BTreeMap, HashMap};
35use file_icons::FileIcons;
36use git::{
37 Oid,
38 blame::{BlameEntry, ParsedCommitMessage},
39 status::FileStatus,
40};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
44 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
45 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
46 KeybindingKeystroke, Length, ModifiersChangedEvent, MouseButton, MouseClickEvent,
47 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
48 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
49 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
50 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
51 transparent_black,
52};
53use itertools::Itertools;
54use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
55use markdown::Markdown;
56use multi_buffer::{
57 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
58 MultiBufferRow, RowInfo,
59};
60
61use project::{
62 Entry, ProjectPath,
63 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
64 project_settings::ProjectSettings,
65};
66use settings::{
67 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
68 Settings,
69};
70use smallvec::{SmallVec, smallvec};
71use std::{
72 any::TypeId,
73 borrow::Cow,
74 cmp::{self, Ordering},
75 fmt::{self, Write},
76 iter, mem,
77 ops::{Deref, Range},
78 path::{self, Path},
79 rc::Rc,
80 sync::Arc,
81 time::{Duration, Instant},
82};
83use sum_tree::Bias;
84use text::{BufferId, SelectionGoal};
85use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
86use ui::utils::ensure_minimum_contrast;
87use ui::{
88 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
89 right_click_menu, scrollbars::ShowScrollbar,
90};
91use unicode_segmentation::UnicodeSegmentation;
92use util::post_inc;
93use util::{RangeExt, ResultExt, debug_panic};
94use workspace::{
95 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
96 item::Item, notifications::NotifyTaskExt,
97};
98
99/// Determines what kinds of highlights should be applied to a lines background.
100#[derive(Clone, Copy, Default)]
101struct LineHighlightSpec {
102 selection: bool,
103 breakpoint: bool,
104 _active_stack_frame: bool,
105}
106
107#[derive(Debug)]
108struct SelectionLayout {
109 head: DisplayPoint,
110 cursor_shape: CursorShape,
111 is_newest: bool,
112 is_local: bool,
113 range: Range<DisplayPoint>,
114 active_rows: Range<DisplayRow>,
115 user_name: Option<SharedString>,
116}
117
118struct InlineBlameLayout {
119 element: AnyElement,
120 bounds: Bounds<Pixels>,
121 buffer_id: BufferId,
122 entry: BlameEntry,
123}
124
125impl SelectionLayout {
126 fn new<T: ToPoint + ToDisplayPoint + Clone>(
127 selection: Selection<T>,
128 line_mode: bool,
129 cursor_shape: CursorShape,
130 map: &DisplaySnapshot,
131 is_newest: bool,
132 is_local: bool,
133 user_name: Option<SharedString>,
134 ) -> Self {
135 let point_selection = selection.map(|p| p.to_point(&map.buffer_snapshot));
136 let display_selection = point_selection.map(|p| p.to_display_point(map));
137 let mut range = display_selection.range();
138 let mut head = display_selection.head();
139 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
140 ..map.next_line_boundary(point_selection.end).1.row();
141
142 // vim visual line mode
143 if line_mode {
144 let point_range = map.expand_to_line(point_selection.range());
145 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
146 }
147
148 // any vim visual mode (including line mode)
149 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
150 && !range.is_empty()
151 && !selection.reversed
152 {
153 if head.column() > 0 {
154 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
155 } else if head.row().0 > 0 && head != map.max_point() {
156 head = map.clip_point(
157 DisplayPoint::new(
158 head.row().previous_row(),
159 map.line_len(head.row().previous_row()),
160 ),
161 Bias::Left,
162 );
163 // updating range.end is a no-op unless you're cursor is
164 // on the newline containing a multi-buffer divider
165 // in which case the clip_point may have moved the head up
166 // an additional row.
167 range.end = DisplayPoint::new(head.row().next_row(), 0);
168 active_rows.end = head.row();
169 }
170 }
171
172 Self {
173 head,
174 cursor_shape,
175 is_newest,
176 is_local,
177 range,
178 active_rows,
179 user_name,
180 }
181 }
182}
183
184pub struct EditorElement {
185 editor: Entity<Editor>,
186 style: EditorStyle,
187}
188
189type DisplayRowDelta = u32;
190
191impl EditorElement {
192 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
193
194 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
195 Self {
196 editor: editor.clone(),
197 style,
198 }
199 }
200
201 fn register_actions(&self, window: &mut Window, cx: &mut App) {
202 let editor = &self.editor;
203 editor.update(cx, |editor, cx| {
204 for action in editor.editor_actions.borrow().values() {
205 (action)(editor, window, cx)
206 }
207 });
208
209 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
210 crate::clangd_ext::apply_related_actions(editor, window, cx);
211
212 register_action(editor, window, Editor::open_context_menu);
213 register_action(editor, window, Editor::move_left);
214 register_action(editor, window, Editor::move_right);
215 register_action(editor, window, Editor::move_down);
216 register_action(editor, window, Editor::move_down_by_lines);
217 register_action(editor, window, Editor::select_down_by_lines);
218 register_action(editor, window, Editor::move_up);
219 register_action(editor, window, Editor::move_up_by_lines);
220 register_action(editor, window, Editor::select_up_by_lines);
221 register_action(editor, window, Editor::select_page_down);
222 register_action(editor, window, Editor::select_page_up);
223 register_action(editor, window, Editor::cancel);
224 register_action(editor, window, Editor::newline);
225 register_action(editor, window, Editor::newline_above);
226 register_action(editor, window, Editor::newline_below);
227 register_action(editor, window, Editor::backspace);
228 register_action(editor, window, Editor::blame_hover);
229 register_action(editor, window, Editor::delete);
230 register_action(editor, window, Editor::tab);
231 register_action(editor, window, Editor::backtab);
232 register_action(editor, window, Editor::indent);
233 register_action(editor, window, Editor::outdent);
234 register_action(editor, window, Editor::autoindent);
235 register_action(editor, window, Editor::delete_line);
236 register_action(editor, window, Editor::join_lines);
237 register_action(editor, window, Editor::sort_lines_by_length);
238 register_action(editor, window, Editor::sort_lines_case_sensitive);
239 register_action(editor, window, Editor::sort_lines_case_insensitive);
240 register_action(editor, window, Editor::reverse_lines);
241 register_action(editor, window, Editor::shuffle_lines);
242 register_action(editor, window, Editor::convert_indentation_to_spaces);
243 register_action(editor, window, Editor::convert_indentation_to_tabs);
244 register_action(editor, window, Editor::convert_to_upper_case);
245 register_action(editor, window, Editor::convert_to_lower_case);
246 register_action(editor, window, Editor::convert_to_title_case);
247 register_action(editor, window, Editor::convert_to_snake_case);
248 register_action(editor, window, Editor::convert_to_kebab_case);
249 register_action(editor, window, Editor::convert_to_upper_camel_case);
250 register_action(editor, window, Editor::convert_to_lower_camel_case);
251 register_action(editor, window, Editor::convert_to_opposite_case);
252 register_action(editor, window, Editor::convert_to_sentence_case);
253 register_action(editor, window, Editor::toggle_case);
254 register_action(editor, window, Editor::convert_to_rot13);
255 register_action(editor, window, Editor::convert_to_rot47);
256 register_action(editor, window, Editor::delete_to_previous_word_start);
257 register_action(editor, window, Editor::delete_to_previous_subword_start);
258 register_action(editor, window, Editor::delete_to_next_word_end);
259 register_action(editor, window, Editor::delete_to_next_subword_end);
260 register_action(editor, window, Editor::delete_to_beginning_of_line);
261 register_action(editor, window, Editor::delete_to_end_of_line);
262 register_action(editor, window, Editor::cut_to_end_of_line);
263 register_action(editor, window, Editor::duplicate_line_up);
264 register_action(editor, window, Editor::duplicate_line_down);
265 register_action(editor, window, Editor::duplicate_selection);
266 register_action(editor, window, Editor::move_line_up);
267 register_action(editor, window, Editor::move_line_down);
268 register_action(editor, window, Editor::transpose);
269 register_action(editor, window, Editor::rewrap);
270 register_action(editor, window, Editor::cut);
271 register_action(editor, window, Editor::kill_ring_cut);
272 register_action(editor, window, Editor::kill_ring_yank);
273 register_action(editor, window, Editor::copy);
274 register_action(editor, window, Editor::copy_and_trim);
275 register_action(editor, window, Editor::diff_clipboard_with_selection);
276 register_action(editor, window, Editor::paste);
277 register_action(editor, window, Editor::undo);
278 register_action(editor, window, Editor::redo);
279 register_action(editor, window, Editor::move_page_up);
280 register_action(editor, window, Editor::move_page_down);
281 register_action(editor, window, Editor::next_screen);
282 register_action(editor, window, Editor::scroll_cursor_top);
283 register_action(editor, window, Editor::scroll_cursor_center);
284 register_action(editor, window, Editor::scroll_cursor_bottom);
285 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
286 register_action(editor, window, |editor, _: &LineDown, window, cx| {
287 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
288 });
289 register_action(editor, window, |editor, _: &LineUp, window, cx| {
290 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
291 });
292 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
293 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
294 });
295 register_action(
296 editor,
297 window,
298 |editor, HandleInput(text): &HandleInput, window, cx| {
299 if text.is_empty() {
300 return;
301 }
302 editor.handle_input(text, window, cx);
303 },
304 );
305 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
306 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
307 });
308 register_action(editor, window, |editor, _: &PageDown, window, cx| {
309 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
310 });
311 register_action(editor, window, |editor, _: &PageUp, window, cx| {
312 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
313 });
314 register_action(editor, window, Editor::move_to_previous_word_start);
315 register_action(editor, window, Editor::move_to_previous_subword_start);
316 register_action(editor, window, Editor::move_to_next_word_end);
317 register_action(editor, window, Editor::move_to_next_subword_end);
318 register_action(editor, window, Editor::move_to_beginning_of_line);
319 register_action(editor, window, Editor::move_to_end_of_line);
320 register_action(editor, window, Editor::move_to_start_of_paragraph);
321 register_action(editor, window, Editor::move_to_end_of_paragraph);
322 register_action(editor, window, Editor::move_to_beginning);
323 register_action(editor, window, Editor::move_to_end);
324 register_action(editor, window, Editor::move_to_start_of_excerpt);
325 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
326 register_action(editor, window, Editor::move_to_end_of_excerpt);
327 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
328 register_action(editor, window, Editor::select_up);
329 register_action(editor, window, Editor::select_down);
330 register_action(editor, window, Editor::select_left);
331 register_action(editor, window, Editor::select_right);
332 register_action(editor, window, Editor::select_to_previous_word_start);
333 register_action(editor, window, Editor::select_to_previous_subword_start);
334 register_action(editor, window, Editor::select_to_next_word_end);
335 register_action(editor, window, Editor::select_to_next_subword_end);
336 register_action(editor, window, Editor::select_to_beginning_of_line);
337 register_action(editor, window, Editor::select_to_end_of_line);
338 register_action(editor, window, Editor::select_to_start_of_paragraph);
339 register_action(editor, window, Editor::select_to_end_of_paragraph);
340 register_action(editor, window, Editor::select_to_start_of_excerpt);
341 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
342 register_action(editor, window, Editor::select_to_end_of_excerpt);
343 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
344 register_action(editor, window, Editor::select_to_beginning);
345 register_action(editor, window, Editor::select_to_end);
346 register_action(editor, window, Editor::select_all);
347 register_action(editor, window, |editor, action, window, cx| {
348 editor.select_all_matches(action, window, cx).log_err();
349 });
350 register_action(editor, window, Editor::select_line);
351 register_action(editor, window, Editor::split_selection_into_lines);
352 register_action(editor, window, Editor::add_selection_above);
353 register_action(editor, window, Editor::add_selection_below);
354 register_action(editor, window, |editor, action, window, cx| {
355 editor.select_next(action, window, cx).log_err();
356 });
357 register_action(editor, window, |editor, action, window, cx| {
358 editor.select_previous(action, window, cx).log_err();
359 });
360 register_action(editor, window, |editor, action, window, cx| {
361 editor.find_next_match(action, window, cx).log_err();
362 });
363 register_action(editor, window, |editor, action, window, cx| {
364 editor.find_previous_match(action, window, cx).log_err();
365 });
366 register_action(editor, window, Editor::toggle_comments);
367 register_action(editor, window, Editor::select_larger_syntax_node);
368 register_action(editor, window, Editor::select_smaller_syntax_node);
369 register_action(editor, window, Editor::select_next_syntax_node);
370 register_action(editor, window, Editor::select_prev_syntax_node);
371 register_action(editor, window, Editor::unwrap_syntax_node);
372 register_action(editor, window, Editor::select_enclosing_symbol);
373 register_action(editor, window, Editor::move_to_enclosing_bracket);
374 register_action(editor, window, Editor::undo_selection);
375 register_action(editor, window, Editor::redo_selection);
376 if !editor.read(cx).is_singleton(cx) {
377 register_action(editor, window, Editor::expand_excerpts);
378 register_action(editor, window, Editor::expand_excerpts_up);
379 register_action(editor, window, Editor::expand_excerpts_down);
380 }
381 register_action(editor, window, Editor::go_to_diagnostic);
382 register_action(editor, window, Editor::go_to_prev_diagnostic);
383 register_action(editor, window, Editor::go_to_next_hunk);
384 register_action(editor, window, Editor::go_to_prev_hunk);
385 register_action(editor, window, Editor::go_to_next_document_highlight);
386 register_action(editor, window, Editor::go_to_prev_document_highlight);
387 register_action(editor, window, |editor, action, window, cx| {
388 editor
389 .go_to_definition(action, window, cx)
390 .detach_and_log_err(cx);
391 });
392 register_action(editor, window, |editor, action, window, cx| {
393 editor
394 .go_to_definition_split(action, window, cx)
395 .detach_and_log_err(cx);
396 });
397 register_action(editor, window, |editor, action, window, cx| {
398 editor
399 .go_to_declaration(action, window, cx)
400 .detach_and_log_err(cx);
401 });
402 register_action(editor, window, |editor, action, window, cx| {
403 editor
404 .go_to_declaration_split(action, window, cx)
405 .detach_and_log_err(cx);
406 });
407 register_action(editor, window, |editor, action, window, cx| {
408 editor
409 .go_to_implementation(action, window, cx)
410 .detach_and_log_err(cx);
411 });
412 register_action(editor, window, |editor, action, window, cx| {
413 editor
414 .go_to_implementation_split(action, window, cx)
415 .detach_and_log_err(cx);
416 });
417 register_action(editor, window, |editor, action, window, cx| {
418 editor
419 .go_to_type_definition(action, window, cx)
420 .detach_and_log_err(cx);
421 });
422 register_action(editor, window, |editor, action, window, cx| {
423 editor
424 .go_to_type_definition_split(action, window, cx)
425 .detach_and_log_err(cx);
426 });
427 register_action(editor, window, Editor::open_url);
428 register_action(editor, window, Editor::open_selected_filename);
429 register_action(editor, window, Editor::fold);
430 register_action(editor, window, Editor::fold_at_level);
431 register_action(editor, window, Editor::fold_all);
432 register_action(editor, window, Editor::fold_function_bodies);
433 register_action(editor, window, Editor::fold_recursive);
434 register_action(editor, window, Editor::toggle_fold);
435 register_action(editor, window, Editor::toggle_fold_recursive);
436 register_action(editor, window, Editor::toggle_fold_all);
437 register_action(editor, window, Editor::unfold_lines);
438 register_action(editor, window, Editor::unfold_recursive);
439 register_action(editor, window, Editor::unfold_all);
440 register_action(editor, window, Editor::fold_selected_ranges);
441 register_action(editor, window, Editor::set_mark);
442 register_action(editor, window, Editor::swap_selection_ends);
443 register_action(editor, window, Editor::show_completions);
444 register_action(editor, window, Editor::show_word_completions);
445 register_action(editor, window, Editor::toggle_code_actions);
446 register_action(editor, window, Editor::open_excerpts);
447 register_action(editor, window, Editor::open_excerpts_in_split);
448 register_action(editor, window, Editor::open_proposed_changes_editor);
449 register_action(editor, window, Editor::toggle_soft_wrap);
450 register_action(editor, window, Editor::toggle_tab_bar);
451 register_action(editor, window, Editor::toggle_line_numbers);
452 register_action(editor, window, Editor::toggle_relative_line_numbers);
453 register_action(editor, window, Editor::toggle_indent_guides);
454 register_action(editor, window, Editor::toggle_inlay_hints);
455 register_action(editor, window, Editor::toggle_edit_predictions);
456 if editor.read(cx).diagnostics_enabled() {
457 register_action(editor, window, Editor::toggle_diagnostics);
458 }
459 if editor.read(cx).inline_diagnostics_enabled() {
460 register_action(editor, window, Editor::toggle_inline_diagnostics);
461 }
462 if editor.read(cx).supports_minimap(cx) {
463 register_action(editor, window, Editor::toggle_minimap);
464 }
465 register_action(editor, window, hover_popover::hover);
466 register_action(editor, window, Editor::reveal_in_finder);
467 register_action(editor, window, Editor::copy_path);
468 register_action(editor, window, Editor::copy_relative_path);
469 register_action(editor, window, Editor::copy_file_name);
470 register_action(editor, window, Editor::copy_file_name_without_extension);
471 register_action(editor, window, Editor::copy_highlight_json);
472 register_action(editor, window, Editor::copy_permalink_to_line);
473 register_action(editor, window, Editor::open_permalink_to_line);
474 register_action(editor, window, Editor::copy_file_location);
475 register_action(editor, window, Editor::toggle_git_blame);
476 register_action(editor, window, Editor::toggle_git_blame_inline);
477 register_action(editor, window, Editor::open_git_blame_commit);
478 register_action(editor, window, Editor::toggle_selected_diff_hunks);
479 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
480 register_action(editor, window, Editor::stage_and_next);
481 register_action(editor, window, Editor::unstage_and_next);
482 register_action(editor, window, Editor::expand_all_diff_hunks);
483 register_action(editor, window, Editor::go_to_previous_change);
484 register_action(editor, window, Editor::go_to_next_change);
485
486 register_action(editor, window, |editor, action, window, cx| {
487 if let Some(task) = editor.format(action, window, cx) {
488 task.detach_and_notify_err(window, cx);
489 } else {
490 cx.propagate();
491 }
492 });
493 register_action(editor, window, |editor, action, window, cx| {
494 if let Some(task) = editor.format_selections(action, window, cx) {
495 task.detach_and_notify_err(window, cx);
496 } else {
497 cx.propagate();
498 }
499 });
500 register_action(editor, window, |editor, action, window, cx| {
501 if let Some(task) = editor.organize_imports(action, window, cx) {
502 task.detach_and_notify_err(window, cx);
503 } else {
504 cx.propagate();
505 }
506 });
507 register_action(editor, window, Editor::restart_language_server);
508 register_action(editor, window, Editor::stop_language_server);
509 register_action(editor, window, Editor::show_character_palette);
510 register_action(editor, window, |editor, action, window, cx| {
511 if let Some(task) = editor.confirm_completion(action, window, cx) {
512 task.detach_and_notify_err(window, cx);
513 } else {
514 cx.propagate();
515 }
516 });
517 register_action(editor, window, |editor, action, window, cx| {
518 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
519 task.detach_and_notify_err(window, cx);
520 } else {
521 cx.propagate();
522 }
523 });
524 register_action(editor, window, |editor, action, window, cx| {
525 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
526 task.detach_and_notify_err(window, cx);
527 } else {
528 cx.propagate();
529 }
530 });
531 register_action(editor, window, |editor, action, window, cx| {
532 if let Some(task) = editor.compose_completion(action, window, cx) {
533 task.detach_and_notify_err(window, cx);
534 } else {
535 cx.propagate();
536 }
537 });
538 register_action(editor, window, |editor, action, window, cx| {
539 if let Some(task) = editor.confirm_code_action(action, window, cx) {
540 task.detach_and_notify_err(window, cx);
541 } else {
542 cx.propagate();
543 }
544 });
545 register_action(editor, window, |editor, action, window, cx| {
546 if let Some(task) = editor.rename(action, window, cx) {
547 task.detach_and_notify_err(window, cx);
548 } else {
549 cx.propagate();
550 }
551 });
552 register_action(editor, window, |editor, action, window, cx| {
553 if let Some(task) = editor.confirm_rename(action, window, cx) {
554 task.detach_and_notify_err(window, cx);
555 } else {
556 cx.propagate();
557 }
558 });
559 register_action(editor, window, |editor, action, window, cx| {
560 if let Some(task) = editor.find_all_references(action, window, cx) {
561 task.detach_and_log_err(cx);
562 } else {
563 cx.propagate();
564 }
565 });
566 register_action(editor, window, Editor::show_signature_help);
567 register_action(editor, window, Editor::signature_help_prev);
568 register_action(editor, window, Editor::signature_help_next);
569 register_action(editor, window, Editor::next_edit_prediction);
570 register_action(editor, window, Editor::previous_edit_prediction);
571 register_action(editor, window, Editor::show_edit_prediction);
572 register_action(editor, window, Editor::context_menu_first);
573 register_action(editor, window, Editor::context_menu_prev);
574 register_action(editor, window, Editor::context_menu_next);
575 register_action(editor, window, Editor::context_menu_last);
576 register_action(editor, window, Editor::display_cursor_names);
577 register_action(editor, window, Editor::unique_lines_case_insensitive);
578 register_action(editor, window, Editor::unique_lines_case_sensitive);
579 register_action(editor, window, Editor::accept_partial_edit_prediction);
580 register_action(editor, window, Editor::accept_edit_prediction);
581 register_action(editor, window, Editor::restore_file);
582 register_action(editor, window, Editor::git_restore);
583 register_action(editor, window, Editor::apply_all_diff_hunks);
584 register_action(editor, window, Editor::apply_selected_diff_hunks);
585 register_action(editor, window, Editor::open_active_item_in_terminal);
586 register_action(editor, window, Editor::reload_file);
587 register_action(editor, window, Editor::spawn_nearest_task);
588 register_action(editor, window, Editor::insert_uuid_v4);
589 register_action(editor, window, Editor::insert_uuid_v7);
590 register_action(editor, window, Editor::open_selections_in_multibuffer);
591 register_action(editor, window, Editor::toggle_breakpoint);
592 register_action(editor, window, Editor::edit_log_breakpoint);
593 register_action(editor, window, Editor::enable_breakpoint);
594 register_action(editor, window, Editor::disable_breakpoint);
595 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
596 register_action(editor, window, Editor::wrap_selections_in_tag);
597 }
598 }
599
600 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
601 let position_map = layout.position_map.clone();
602 window.on_key_event({
603 let editor = self.editor.clone();
604 move |event: &ModifiersChangedEvent, phase, window, cx| {
605 if phase != DispatchPhase::Bubble {
606 return;
607 }
608 editor.update(cx, |editor, cx| {
609 let inlay_hint_settings = inlay_hint_settings(
610 editor.selections.newest_anchor().head(),
611 &editor.buffer.read(cx).snapshot(cx),
612 cx,
613 );
614
615 if let Some(inlay_modifiers) = inlay_hint_settings
616 .toggle_on_modifiers_press
617 .as_ref()
618 .filter(|modifiers| modifiers.modified())
619 {
620 editor.refresh_inlay_hints(
621 InlayHintRefreshReason::ModifiersChanged(
622 inlay_modifiers == &event.modifiers,
623 ),
624 cx,
625 );
626 }
627
628 if editor.hover_state.focused(window, cx) {
629 return;
630 }
631
632 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
633 })
634 }
635 });
636 }
637
638 fn mouse_left_down(
639 editor: &mut Editor,
640 event: &MouseDownEvent,
641 hovered_hunk: Option<Range<Anchor>>,
642 position_map: &PositionMap,
643 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
644 window: &mut Window,
645 cx: &mut Context<Editor>,
646 ) {
647 if window.default_prevented() {
648 return;
649 }
650
651 let text_hitbox = &position_map.text_hitbox;
652 let gutter_hitbox = &position_map.gutter_hitbox;
653 let point_for_position = position_map.point_for_position(event.position);
654 let mut click_count = event.click_count;
655 let mut modifiers = event.modifiers;
656
657 if let Some(hovered_hunk) = hovered_hunk {
658 editor.toggle_single_diff_hunk(hovered_hunk, cx);
659 cx.notify();
660 return;
661 } else if gutter_hitbox.is_hovered(window) {
662 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
663 } else if !text_hitbox.is_hovered(window) {
664 return;
665 }
666
667 if EditorSettings::get_global(cx)
668 .drag_and_drop_selection
669 .enabled
670 && click_count == 1
671 {
672 let newest_anchor = editor.selections.newest_anchor();
673 let snapshot = editor.snapshot(window, cx);
674 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
675 if point_for_position.intersects_selection(&selection) {
676 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
677 selection: newest_anchor.clone(),
678 click_position: event.position,
679 mouse_down_time: Instant::now(),
680 };
681 cx.stop_propagation();
682 return;
683 }
684 }
685
686 let is_singleton = editor.buffer().read(cx).is_singleton();
687
688 if click_count == 2 && !is_singleton {
689 match EditorSettings::get_global(cx).double_click_in_multibuffer {
690 DoubleClickInMultibuffer::Select => {
691 // do nothing special on double click, all selection logic is below
692 }
693 DoubleClickInMultibuffer::Open => {
694 if modifiers.alt {
695 // if double click is made with alt, pretend it's a regular double click without opening and alt,
696 // and run the selection logic.
697 modifiers.alt = false;
698 } else {
699 let scroll_position_row =
700 position_map.scroll_pixel_position.y / position_map.line_height;
701 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
702 + position_map.scroll_pixel_position.y)
703 / position_map.line_height)
704 as u32;
705 let multi_buffer_row = position_map
706 .snapshot
707 .display_point_to_point(
708 DisplayPoint::new(DisplayRow(display_row), 0),
709 Bias::Right,
710 )
711 .row;
712 let line_offset_from_top = display_row - scroll_position_row as u32;
713 // if double click is made without alt, open the corresponding excerp
714 editor.open_excerpts_common(
715 Some(JumpData::MultiBufferRow {
716 row: MultiBufferRow(multi_buffer_row),
717 line_offset_from_top,
718 }),
719 false,
720 window,
721 cx,
722 );
723 return;
724 }
725 }
726 }
727 }
728
729 let position = point_for_position.previous_valid;
730 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
731 editor.select(
732 SelectPhase::BeginColumnar {
733 position,
734 reset: match mode {
735 ColumnarMode::FromMouse => true,
736 ColumnarMode::FromSelection => false,
737 },
738 mode,
739 goal_column: point_for_position.exact_unclipped.column(),
740 },
741 window,
742 cx,
743 );
744 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
745 {
746 editor.select(
747 SelectPhase::Extend {
748 position,
749 click_count,
750 },
751 window,
752 cx,
753 );
754 } else {
755 editor.select(
756 SelectPhase::Begin {
757 position,
758 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
759 click_count,
760 },
761 window,
762 cx,
763 );
764 }
765 cx.stop_propagation();
766
767 if !is_singleton {
768 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
769 + position_map.scroll_pixel_position.y)
770 / position_map.line_height) as u32;
771 let multi_buffer_row = position_map
772 .snapshot
773 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
774 .row;
775 if line_numbers
776 .get(&MultiBufferRow(multi_buffer_row))
777 .and_then(|line_number| line_number.hitbox.as_ref())
778 .is_some_and(|hitbox| hitbox.contains(&event.position))
779 {
780 let scroll_position_row =
781 position_map.scroll_pixel_position.y / position_map.line_height;
782 let line_offset_from_top = display_row - scroll_position_row as u32;
783
784 editor.open_excerpts_common(
785 Some(JumpData::MultiBufferRow {
786 row: MultiBufferRow(multi_buffer_row),
787 line_offset_from_top,
788 }),
789 modifiers.alt,
790 window,
791 cx,
792 );
793 cx.stop_propagation();
794 }
795 }
796 }
797
798 fn mouse_right_down(
799 editor: &mut Editor,
800 event: &MouseDownEvent,
801 position_map: &PositionMap,
802 window: &mut Window,
803 cx: &mut Context<Editor>,
804 ) {
805 if position_map.gutter_hitbox.is_hovered(window) {
806 let gutter_right_padding = editor.gutter_dimensions.right_padding;
807 let hitbox = &position_map.gutter_hitbox;
808
809 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
810 let point_for_position = position_map.point_for_position(event.position);
811 editor.set_breakpoint_context_menu(
812 point_for_position.previous_valid.row(),
813 None,
814 event.position,
815 window,
816 cx,
817 );
818 }
819 return;
820 }
821
822 if !position_map.text_hitbox.is_hovered(window) {
823 return;
824 }
825
826 let point_for_position = position_map.point_for_position(event.position);
827 mouse_context_menu::deploy_context_menu(
828 editor,
829 Some(event.position),
830 point_for_position.previous_valid,
831 window,
832 cx,
833 );
834 cx.stop_propagation();
835 }
836
837 fn mouse_middle_down(
838 editor: &mut Editor,
839 event: &MouseDownEvent,
840 position_map: &PositionMap,
841 window: &mut Window,
842 cx: &mut Context<Editor>,
843 ) {
844 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
845 return;
846 }
847
848 let point_for_position = position_map.point_for_position(event.position);
849 let position = point_for_position.previous_valid;
850
851 editor.select(
852 SelectPhase::BeginColumnar {
853 position,
854 reset: true,
855 mode: ColumnarMode::FromMouse,
856 goal_column: point_for_position.exact_unclipped.column(),
857 },
858 window,
859 cx,
860 );
861 }
862
863 fn mouse_up(
864 editor: &mut Editor,
865 event: &MouseUpEvent,
866 position_map: &PositionMap,
867 window: &mut Window,
868 cx: &mut Context<Editor>,
869 ) {
870 let text_hitbox = &position_map.text_hitbox;
871 let end_selection = editor.has_pending_selection();
872 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
873 let point_for_position = position_map.point_for_position(event.position);
874
875 match editor.selection_drag_state {
876 SelectionDragState::ReadyToDrag {
877 selection: _,
878 ref click_position,
879 mouse_down_time: _,
880 } => {
881 if event.position == *click_position {
882 editor.select(
883 SelectPhase::Begin {
884 position: point_for_position.previous_valid,
885 add: false,
886 click_count: 1, // ready to drag state only occurs on click count 1
887 },
888 window,
889 cx,
890 );
891 editor.selection_drag_state = SelectionDragState::None;
892 cx.stop_propagation();
893 return;
894 } else {
895 debug_panic!("drag state can never be in ready state after drag")
896 }
897 }
898 SelectionDragState::Dragging { ref selection, .. } => {
899 let snapshot = editor.snapshot(window, cx);
900 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
901 if !point_for_position.intersects_selection(&selection_display)
902 && text_hitbox.is_hovered(window)
903 {
904 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
905 || cfg!(not(target_os = "macos")) && event.modifiers.control);
906 editor.move_selection_on_drop(
907 &selection.clone(),
908 point_for_position.previous_valid,
909 is_cut,
910 window,
911 cx,
912 );
913 }
914 editor.selection_drag_state = SelectionDragState::None;
915 cx.stop_propagation();
916 cx.notify();
917 return;
918 }
919 _ => {}
920 }
921
922 if end_selection {
923 editor.select(SelectPhase::End, window, cx);
924 }
925
926 if end_selection && pending_nonempty_selections {
927 cx.stop_propagation();
928 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
929 && event.button == MouseButton::Middle
930 {
931 #[allow(
932 clippy::collapsible_if,
933 clippy::needless_return,
934 reason = "The cfg-block below makes this a false positive"
935 )]
936 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
937 return;
938 }
939
940 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
941 if EditorSettings::get_global(cx).middle_click_paste {
942 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
943 let point_for_position = position_map.point_for_position(event.position);
944 let position = point_for_position.previous_valid;
945
946 editor.select(
947 SelectPhase::Begin {
948 position,
949 add: false,
950 click_count: 1,
951 },
952 window,
953 cx,
954 );
955 editor.insert(&text, window, cx);
956 }
957 cx.stop_propagation()
958 }
959 }
960 }
961
962 fn click(
963 editor: &mut Editor,
964 event: &ClickEvent,
965 position_map: &PositionMap,
966 window: &mut Window,
967 cx: &mut Context<Editor>,
968 ) {
969 let text_hitbox = &position_map.text_hitbox;
970 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
971
972 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
973
974 if let Some(mouse_position) = event.mouse_position()
975 && !pending_nonempty_selections
976 && hovered_link_modifier
977 && text_hitbox.is_hovered(window)
978 {
979 let point = position_map.point_for_position(mouse_position);
980 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
981 editor.selection_drag_state = SelectionDragState::None;
982
983 cx.stop_propagation();
984 }
985 }
986
987 fn mouse_dragged(
988 editor: &mut Editor,
989 event: &MouseMoveEvent,
990 position_map: &PositionMap,
991 window: &mut Window,
992 cx: &mut Context<Editor>,
993 ) {
994 if !editor.has_pending_selection()
995 && matches!(editor.selection_drag_state, SelectionDragState::None)
996 {
997 return;
998 }
999
1000 let point_for_position = position_map.point_for_position(event.position);
1001 let text_hitbox = &position_map.text_hitbox;
1002
1003 let scroll_delta = {
1004 let text_bounds = text_hitbox.bounds;
1005 let mut scroll_delta = gpui::Point::<f32>::default();
1006 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1007 let top = text_bounds.origin.y + vertical_margin;
1008 let bottom = text_bounds.bottom_left().y - vertical_margin;
1009 if event.position.y < top {
1010 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1011 }
1012 if event.position.y > bottom {
1013 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1014 }
1015
1016 // We need horizontal width of text
1017 let style = editor.style.clone().unwrap_or_default();
1018 let font_id = window.text_system().resolve_font(&style.text.font());
1019 let font_size = style.text.font_size.to_pixels(window.rem_size());
1020 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1021
1022 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1023
1024 let scroll_space: Pixels = scroll_margin_x * em_width;
1025
1026 let left = text_bounds.origin.x + scroll_space;
1027 let right = text_bounds.top_right().x - scroll_space;
1028
1029 if event.position.x < left {
1030 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1031 }
1032 if event.position.x > right {
1033 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1034 }
1035 scroll_delta
1036 };
1037
1038 if !editor.has_pending_selection() {
1039 let drop_anchor = position_map
1040 .snapshot
1041 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1042 match editor.selection_drag_state {
1043 SelectionDragState::Dragging {
1044 ref mut drop_cursor,
1045 ref mut hide_drop_cursor,
1046 ..
1047 } => {
1048 drop_cursor.start = drop_anchor;
1049 drop_cursor.end = drop_anchor;
1050 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1051 editor.apply_scroll_delta(scroll_delta, window, cx);
1052 cx.notify();
1053 }
1054 SelectionDragState::ReadyToDrag {
1055 ref selection,
1056 ref click_position,
1057 ref mouse_down_time,
1058 } => {
1059 let drag_and_drop_delay = Duration::from_millis(
1060 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1061 );
1062 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1063 let drop_cursor = Selection {
1064 id: post_inc(&mut editor.selections.next_selection_id()),
1065 start: drop_anchor,
1066 end: drop_anchor,
1067 reversed: false,
1068 goal: SelectionGoal::None,
1069 };
1070 editor.selection_drag_state = SelectionDragState::Dragging {
1071 selection: selection.clone(),
1072 drop_cursor,
1073 hide_drop_cursor: false,
1074 };
1075 editor.apply_scroll_delta(scroll_delta, window, cx);
1076 cx.notify();
1077 } else {
1078 let click_point = position_map.point_for_position(*click_position);
1079 editor.selection_drag_state = SelectionDragState::None;
1080 editor.select(
1081 SelectPhase::Begin {
1082 position: click_point.previous_valid,
1083 add: false,
1084 click_count: 1,
1085 },
1086 window,
1087 cx,
1088 );
1089 editor.select(
1090 SelectPhase::Update {
1091 position: point_for_position.previous_valid,
1092 goal_column: point_for_position.exact_unclipped.column(),
1093 scroll_delta,
1094 },
1095 window,
1096 cx,
1097 );
1098 }
1099 }
1100 _ => {}
1101 }
1102 } else {
1103 editor.select(
1104 SelectPhase::Update {
1105 position: point_for_position.previous_valid,
1106 goal_column: point_for_position.exact_unclipped.column(),
1107 scroll_delta,
1108 },
1109 window,
1110 cx,
1111 );
1112 }
1113 }
1114
1115 fn mouse_moved(
1116 editor: &mut Editor,
1117 event: &MouseMoveEvent,
1118 position_map: &PositionMap,
1119 window: &mut Window,
1120 cx: &mut Context<Editor>,
1121 ) {
1122 let text_hitbox = &position_map.text_hitbox;
1123 let gutter_hitbox = &position_map.gutter_hitbox;
1124 let modifiers = event.modifiers;
1125 let text_hovered = text_hitbox.is_hovered(window);
1126 let gutter_hovered = gutter_hitbox.is_hovered(window);
1127 editor.set_gutter_hovered(gutter_hovered, cx);
1128 editor.show_mouse_cursor(cx);
1129
1130 let point_for_position = position_map.point_for_position(event.position);
1131 let valid_point = point_for_position.previous_valid;
1132
1133 let hovered_diff_control = position_map
1134 .diff_hunk_control_bounds
1135 .iter()
1136 .find(|(_, bounds)| bounds.contains(&event.position))
1137 .map(|(row, _)| *row);
1138
1139 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1140 Some(control_row)
1141 } else if text_hovered {
1142 let current_row = valid_point.row();
1143 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1144 if let DisplayDiffHunk::Unfolded {
1145 display_row_range, ..
1146 } = hunk
1147 {
1148 if display_row_range.contains(¤t_row) {
1149 Some(display_row_range.start)
1150 } else {
1151 None
1152 }
1153 } else {
1154 None
1155 }
1156 })
1157 } else {
1158 None
1159 };
1160
1161 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1162 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1163 cx.notify();
1164 }
1165
1166 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1167 let mouse_over_inline_blame = bounds.contains(&event.position);
1168 let mouse_over_popover = editor
1169 .inline_blame_popover
1170 .as_ref()
1171 .and_then(|state| state.popover_bounds)
1172 .is_some_and(|bounds| bounds.contains(&event.position));
1173 let keyboard_grace = editor
1174 .inline_blame_popover
1175 .as_ref()
1176 .is_some_and(|state| state.keyboard_grace);
1177
1178 if mouse_over_inline_blame || mouse_over_popover {
1179 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1180 } else if !keyboard_grace {
1181 editor.hide_blame_popover(cx);
1182 }
1183 } else {
1184 editor.hide_blame_popover(cx);
1185 }
1186
1187 let breakpoint_indicator = if gutter_hovered {
1188 let buffer_anchor = position_map
1189 .snapshot
1190 .display_point_to_anchor(valid_point, Bias::Left);
1191
1192 if let Some((buffer_snapshot, file)) = position_map
1193 .snapshot
1194 .buffer_snapshot
1195 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1196 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1197 {
1198 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1199
1200 let is_visible = editor
1201 .gutter_breakpoint_indicator
1202 .0
1203 .is_some_and(|indicator| indicator.is_active);
1204
1205 let has_existing_breakpoint =
1206 editor.breakpoint_store.as_ref().is_some_and(|store| {
1207 let Some(project) = &editor.project else {
1208 return false;
1209 };
1210 let Some(abs_path) = project.read(cx).absolute_path(
1211 &ProjectPath {
1212 path: file.path().clone(),
1213 worktree_id: file.worktree_id(cx),
1214 },
1215 cx,
1216 ) else {
1217 return false;
1218 };
1219 store
1220 .read(cx)
1221 .breakpoint_at_row(&abs_path, as_point.row, cx)
1222 .is_some()
1223 });
1224
1225 if !is_visible {
1226 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1227 cx.spawn(async move |this, cx| {
1228 cx.background_executor()
1229 .timer(Duration::from_millis(200))
1230 .await;
1231
1232 this.update(cx, |this, cx| {
1233 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1234 {
1235 indicator.is_active = true;
1236 cx.notify();
1237 }
1238 })
1239 .ok();
1240 })
1241 });
1242 }
1243
1244 Some(PhantomBreakpointIndicator {
1245 display_row: valid_point.row(),
1246 is_active: is_visible,
1247 collides_with_existing_breakpoint: has_existing_breakpoint,
1248 })
1249 } else {
1250 editor.gutter_breakpoint_indicator.1 = None;
1251 None
1252 }
1253 } else {
1254 editor.gutter_breakpoint_indicator.1 = None;
1255 None
1256 };
1257
1258 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1259 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1260 cx.notify();
1261 }
1262
1263 // Don't trigger hover popover if mouse is hovering over context menu
1264 if text_hovered {
1265 editor.update_hovered_link(
1266 point_for_position,
1267 &position_map.snapshot,
1268 modifiers,
1269 window,
1270 cx,
1271 );
1272
1273 if let Some(point) = point_for_position.as_valid() {
1274 let anchor = position_map
1275 .snapshot
1276 .buffer_snapshot
1277 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1278 hover_at(editor, Some(anchor), window, cx);
1279 Self::update_visible_cursor(editor, point, position_map, window, cx);
1280 } else {
1281 hover_at(editor, None, window, cx);
1282 }
1283 } else {
1284 editor.hide_hovered_link(cx);
1285 hover_at(editor, None, window, cx);
1286 }
1287 }
1288
1289 fn update_visible_cursor(
1290 editor: &mut Editor,
1291 point: DisplayPoint,
1292 position_map: &PositionMap,
1293 window: &mut Window,
1294 cx: &mut Context<Editor>,
1295 ) {
1296 let snapshot = &position_map.snapshot;
1297 let Some(hub) = editor.collaboration_hub() else {
1298 return;
1299 };
1300 let start = snapshot.display_snapshot.clip_point(
1301 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1302 Bias::Left,
1303 );
1304 let end = snapshot.display_snapshot.clip_point(
1305 DisplayPoint::new(
1306 point.row(),
1307 (point.column() + 1).min(snapshot.line_len(point.row())),
1308 ),
1309 Bias::Right,
1310 );
1311
1312 let range = snapshot
1313 .buffer_snapshot
1314 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1315 ..snapshot
1316 .buffer_snapshot
1317 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1318
1319 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1320 return;
1321 };
1322 let key = crate::HoveredCursor {
1323 replica_id: selection.replica_id,
1324 selection_id: selection.selection.id,
1325 };
1326 editor.hovered_cursors.insert(
1327 key.clone(),
1328 cx.spawn_in(window, async move |editor, cx| {
1329 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1330 editor
1331 .update(cx, |editor, cx| {
1332 editor.hovered_cursors.remove(&key);
1333 cx.notify();
1334 })
1335 .ok();
1336 }),
1337 );
1338 cx.notify()
1339 }
1340
1341 fn layout_selections(
1342 &self,
1343 start_anchor: Anchor,
1344 end_anchor: Anchor,
1345 local_selections: &[Selection<Point>],
1346 snapshot: &EditorSnapshot,
1347 start_row: DisplayRow,
1348 end_row: DisplayRow,
1349 window: &mut Window,
1350 cx: &mut App,
1351 ) -> (
1352 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1353 BTreeMap<DisplayRow, LineHighlightSpec>,
1354 Option<DisplayPoint>,
1355 ) {
1356 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1357 let mut active_rows = BTreeMap::new();
1358 let mut newest_selection_head = None;
1359
1360 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1361 return (selections, active_rows, newest_selection_head);
1362 };
1363
1364 editor_with_selections.update(cx, |editor, cx| {
1365 if editor.show_local_selections {
1366 let mut layouts = Vec::new();
1367 let newest = editor.selections.newest(cx);
1368 for selection in local_selections.iter().cloned() {
1369 let is_empty = selection.start == selection.end;
1370 let is_newest = selection == newest;
1371
1372 let layout = SelectionLayout::new(
1373 selection,
1374 editor.selections.line_mode,
1375 editor.cursor_shape,
1376 &snapshot.display_snapshot,
1377 is_newest,
1378 editor.leader_id.is_none(),
1379 None,
1380 );
1381 if is_newest {
1382 newest_selection_head = Some(layout.head);
1383 }
1384
1385 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1386 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1387 {
1388 let contains_non_empty_selection = active_rows
1389 .entry(DisplayRow(row))
1390 .or_insert_with(LineHighlightSpec::default);
1391 contains_non_empty_selection.selection |= !is_empty;
1392 }
1393 layouts.push(layout);
1394 }
1395
1396 let player = editor.current_user_player_color(cx);
1397 selections.push((player, layouts));
1398
1399 if let SelectionDragState::Dragging {
1400 ref selection,
1401 ref drop_cursor,
1402 ref hide_drop_cursor,
1403 } = editor.selection_drag_state
1404 && !hide_drop_cursor
1405 && (drop_cursor
1406 .start
1407 .cmp(&selection.start, &snapshot.buffer_snapshot)
1408 .eq(&Ordering::Less)
1409 || drop_cursor
1410 .end
1411 .cmp(&selection.end, &snapshot.buffer_snapshot)
1412 .eq(&Ordering::Greater))
1413 {
1414 let drag_cursor_layout = SelectionLayout::new(
1415 drop_cursor.clone(),
1416 false,
1417 CursorShape::Bar,
1418 &snapshot.display_snapshot,
1419 false,
1420 false,
1421 None,
1422 );
1423 let absent_color = cx.theme().players().absent();
1424 selections.push((absent_color, vec![drag_cursor_layout]));
1425 }
1426 }
1427
1428 if let Some(collaboration_hub) = &editor.collaboration_hub {
1429 // When following someone, render the local selections in their color.
1430 if let Some(leader_id) = editor.leader_id {
1431 match leader_id {
1432 CollaboratorId::PeerId(peer_id) => {
1433 if let Some(collaborator) =
1434 collaboration_hub.collaborators(cx).get(&peer_id)
1435 && let Some(participant_index) = collaboration_hub
1436 .user_participant_indices(cx)
1437 .get(&collaborator.user_id)
1438 && let Some((local_selection_style, _)) = selections.first_mut()
1439 {
1440 *local_selection_style = cx
1441 .theme()
1442 .players()
1443 .color_for_participant(participant_index.0);
1444 }
1445 }
1446 CollaboratorId::Agent => {
1447 if let Some((local_selection_style, _)) = selections.first_mut() {
1448 *local_selection_style = cx.theme().players().agent();
1449 }
1450 }
1451 }
1452 }
1453
1454 let mut remote_selections = HashMap::default();
1455 for selection in snapshot.remote_selections_in_range(
1456 &(start_anchor..end_anchor),
1457 collaboration_hub.as_ref(),
1458 cx,
1459 ) {
1460 // Don't re-render the leader's selections, since the local selections
1461 // match theirs.
1462 if Some(selection.collaborator_id) == editor.leader_id {
1463 continue;
1464 }
1465 let key = HoveredCursor {
1466 replica_id: selection.replica_id,
1467 selection_id: selection.selection.id,
1468 };
1469
1470 let is_shown =
1471 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1472
1473 remote_selections
1474 .entry(selection.replica_id)
1475 .or_insert((selection.color, Vec::new()))
1476 .1
1477 .push(SelectionLayout::new(
1478 selection.selection,
1479 selection.line_mode,
1480 selection.cursor_shape,
1481 &snapshot.display_snapshot,
1482 false,
1483 false,
1484 if is_shown { selection.user_name } else { None },
1485 ));
1486 }
1487
1488 selections.extend(remote_selections.into_values());
1489 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1490 let layouts = snapshot
1491 .buffer_snapshot
1492 .selections_in_range(&(start_anchor..end_anchor), true)
1493 .map(move |(_, line_mode, cursor_shape, selection)| {
1494 SelectionLayout::new(
1495 selection,
1496 line_mode,
1497 cursor_shape,
1498 &snapshot.display_snapshot,
1499 false,
1500 false,
1501 None,
1502 )
1503 })
1504 .collect::<Vec<_>>();
1505 let player = editor.current_user_player_color(cx);
1506 selections.push((player, layouts));
1507 }
1508 });
1509
1510 #[cfg(debug_assertions)]
1511 Self::layout_debug_ranges(
1512 &mut selections,
1513 start_anchor..end_anchor,
1514 &snapshot.display_snapshot,
1515 cx,
1516 );
1517
1518 (selections, active_rows, newest_selection_head)
1519 }
1520
1521 fn collect_cursors(
1522 &self,
1523 snapshot: &EditorSnapshot,
1524 cx: &mut App,
1525 ) -> Vec<(DisplayPoint, Hsla)> {
1526 let editor = self.editor.read(cx);
1527 let mut cursors = Vec::new();
1528 let mut skip_local = false;
1529 let mut add_cursor = |anchor: Anchor, color| {
1530 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1531 };
1532 // Remote cursors
1533 if let Some(collaboration_hub) = &editor.collaboration_hub {
1534 for remote_selection in snapshot.remote_selections_in_range(
1535 &(Anchor::min()..Anchor::max()),
1536 collaboration_hub.deref(),
1537 cx,
1538 ) {
1539 add_cursor(
1540 remote_selection.selection.head(),
1541 remote_selection.color.cursor,
1542 );
1543 if Some(remote_selection.collaborator_id) == editor.leader_id {
1544 skip_local = true;
1545 }
1546 }
1547 }
1548 // Local cursors
1549 if !skip_local {
1550 let color = cx.theme().players().local().cursor;
1551 editor
1552 .selections
1553 .disjoint_anchors()
1554 .iter()
1555 .for_each(|selection| {
1556 add_cursor(selection.head(), color);
1557 });
1558 if let Some(ref selection) = editor.selections.pending_anchor() {
1559 add_cursor(selection.head(), color);
1560 }
1561 }
1562 cursors
1563 }
1564
1565 fn layout_visible_cursors(
1566 &self,
1567 snapshot: &EditorSnapshot,
1568 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1569 row_block_types: &HashMap<DisplayRow, bool>,
1570 visible_display_row_range: Range<DisplayRow>,
1571 line_layouts: &[LineWithInvisibles],
1572 text_hitbox: &Hitbox,
1573 content_origin: gpui::Point<Pixels>,
1574 scroll_position: gpui::Point<f32>,
1575 scroll_pixel_position: gpui::Point<Pixels>,
1576 line_height: Pixels,
1577 em_width: Pixels,
1578 em_advance: Pixels,
1579 autoscroll_containing_element: bool,
1580 window: &mut Window,
1581 cx: &mut App,
1582 ) -> Vec<CursorLayout> {
1583 let mut autoscroll_bounds = None;
1584 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1585 let mut cursors = Vec::new();
1586
1587 let show_local_cursors = editor.show_local_cursors(window, cx);
1588
1589 for (player_color, selections) in selections {
1590 for selection in selections {
1591 let cursor_position = selection.head;
1592
1593 let in_range = visible_display_row_range.contains(&cursor_position.row());
1594 if (selection.is_local && !show_local_cursors)
1595 || !in_range
1596 || row_block_types.get(&cursor_position.row()) == Some(&true)
1597 {
1598 continue;
1599 }
1600
1601 let cursor_row_layout = &line_layouts
1602 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1603 let cursor_column = cursor_position.column() as usize;
1604
1605 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1606 let mut block_width =
1607 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1608 if block_width == Pixels::ZERO {
1609 block_width = em_advance;
1610 }
1611 let block_text = if let CursorShape::Block = selection.cursor_shape {
1612 snapshot
1613 .grapheme_at(cursor_position)
1614 .or_else(|| {
1615 if snapshot.is_empty() {
1616 snapshot.placeholder_text().and_then(|s| {
1617 s.graphemes(true).next().map(|s| s.to_string().into())
1618 })
1619 } else {
1620 None
1621 }
1622 })
1623 .map(|text| {
1624 let len = text.len();
1625
1626 let font = cursor_row_layout
1627 .font_id_for_index(cursor_column)
1628 .and_then(|cursor_font_id| {
1629 window.text_system().get_font_for_id(cursor_font_id)
1630 })
1631 .unwrap_or(self.style.text.font());
1632
1633 // Invert the text color for the block cursor. Ensure that the text
1634 // color is opaque enough to be visible against the background color.
1635 //
1636 // 0.75 is an arbitrary threshold to determine if the background color is
1637 // opaque enough to use as a text color.
1638 //
1639 // TODO: In the future we should ensure themes have a `text_inverse` color.
1640 let color = if cx.theme().colors().editor_background.a < 0.75 {
1641 match cx.theme().appearance {
1642 Appearance::Dark => Hsla::black(),
1643 Appearance::Light => Hsla::white(),
1644 }
1645 } else {
1646 cx.theme().colors().editor_background
1647 };
1648
1649 window.text_system().shape_line(
1650 text,
1651 cursor_row_layout.font_size,
1652 &[TextRun {
1653 len,
1654 font,
1655 color,
1656 background_color: None,
1657 strikethrough: None,
1658 underline: None,
1659 }],
1660 None,
1661 )
1662 })
1663 } else {
1664 None
1665 };
1666
1667 let x = cursor_character_x - scroll_pixel_position.x;
1668 let y = (cursor_position.row().as_f32()
1669 - scroll_pixel_position.y / line_height)
1670 * line_height;
1671 if selection.is_newest {
1672 editor.pixel_position_of_newest_cursor = Some(point(
1673 text_hitbox.origin.x + x + block_width / 2.,
1674 text_hitbox.origin.y + y + line_height / 2.,
1675 ));
1676
1677 if autoscroll_containing_element {
1678 let top = text_hitbox.origin.y
1679 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1680 * line_height;
1681 let left = text_hitbox.origin.x
1682 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1683 .max(0.)
1684 * em_width;
1685
1686 let bottom = text_hitbox.origin.y
1687 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1688 * line_height;
1689 let right = text_hitbox.origin.x
1690 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1691 * em_width;
1692
1693 autoscroll_bounds =
1694 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1695 }
1696 }
1697
1698 let mut cursor = CursorLayout {
1699 color: player_color.cursor,
1700 block_width,
1701 origin: point(x, y),
1702 line_height,
1703 shape: selection.cursor_shape,
1704 block_text,
1705 cursor_name: None,
1706 };
1707 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1708 string: name,
1709 color: self.style.background,
1710 is_top_row: cursor_position.row().0 == 0,
1711 });
1712 cursor.layout(content_origin, cursor_name, window, cx);
1713 cursors.push(cursor);
1714 }
1715 }
1716
1717 cursors
1718 });
1719
1720 if let Some(bounds) = autoscroll_bounds {
1721 window.request_autoscroll(bounds);
1722 }
1723
1724 cursor_layouts
1725 }
1726
1727 fn layout_scrollbars(
1728 &self,
1729 snapshot: &EditorSnapshot,
1730 scrollbar_layout_information: &ScrollbarLayoutInformation,
1731 content_offset: gpui::Point<Pixels>,
1732 scroll_position: gpui::Point<f32>,
1733 non_visible_cursors: bool,
1734 right_margin: Pixels,
1735 editor_width: Pixels,
1736 window: &mut Window,
1737 cx: &mut App,
1738 ) -> Option<EditorScrollbars> {
1739 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1740 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1741 || self.style.scrollbar_width.is_zero()
1742 {
1743 return None;
1744 }
1745
1746 // If a drag took place after we started dragging the scrollbar,
1747 // cancel the scrollbar drag.
1748 if cx.has_active_drag() {
1749 self.editor.update(cx, |editor, cx| {
1750 editor.scroll_manager.reset_scrollbar_state(cx)
1751 });
1752 }
1753
1754 let editor_settings = EditorSettings::get_global(cx);
1755 let scrollbar_settings = editor_settings.scrollbar;
1756 let show_scrollbars = match scrollbar_settings.show {
1757 ShowScrollbar::Auto => {
1758 let editor = self.editor.read(cx);
1759 let is_singleton = editor.is_singleton(cx);
1760 // Git
1761 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1762 ||
1763 // Buffer Search Results
1764 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1765 ||
1766 // Selected Text Occurrences
1767 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1768 ||
1769 // Selected Symbol Occurrences
1770 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1771 ||
1772 // Diagnostics
1773 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1774 ||
1775 // Cursors out of sight
1776 non_visible_cursors
1777 ||
1778 // Scrollmanager
1779 editor.scroll_manager.scrollbars_visible()
1780 }
1781 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1782 ShowScrollbar::Always => true,
1783 ShowScrollbar::Never => return None,
1784 };
1785
1786 // The horizontal scrollbar is usually slightly offset to align nicely with
1787 // indent guides. However, this offset is not needed if indent guides are
1788 // disabled for the current editor.
1789 let content_offset = self
1790 .editor
1791 .read(cx)
1792 .show_indent_guides
1793 .is_none_or(|should_show| should_show)
1794 .then_some(content_offset)
1795 .unwrap_or_default();
1796
1797 Some(EditorScrollbars::from_scrollbar_axes(
1798 ScrollbarAxes {
1799 horizontal: scrollbar_settings.axes.horizontal
1800 && self.editor.read(cx).show_scrollbars.horizontal,
1801 vertical: scrollbar_settings.axes.vertical
1802 && self.editor.read(cx).show_scrollbars.vertical,
1803 },
1804 scrollbar_layout_information,
1805 content_offset,
1806 scroll_position,
1807 self.style.scrollbar_width,
1808 right_margin,
1809 editor_width,
1810 show_scrollbars,
1811 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1812 window,
1813 ))
1814 }
1815
1816 fn layout_minimap(
1817 &self,
1818 snapshot: &EditorSnapshot,
1819 minimap_width: Pixels,
1820 scroll_position: gpui::Point<f32>,
1821 scrollbar_layout_information: &ScrollbarLayoutInformation,
1822 scrollbar_layout: Option<&EditorScrollbars>,
1823 window: &mut Window,
1824 cx: &mut App,
1825 ) -> Option<MinimapLayout> {
1826 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1827
1828 let minimap_settings = EditorSettings::get_global(cx).minimap;
1829
1830 if minimap_settings.on_active_editor() {
1831 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1832 ws.read(cx)
1833 .active_pane()
1834 .read(cx)
1835 .active_item()
1836 .and_then(|i| i.act_as::<Editor>(cx))
1837 });
1838 if active_editor.is_some_and(|e| e != self.editor) {
1839 return None;
1840 }
1841 }
1842
1843 if !snapshot.mode.is_full()
1844 || minimap_width.is_zero()
1845 || matches!(
1846 minimap_settings.show,
1847 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1848 )
1849 {
1850 return None;
1851 }
1852
1853 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1854
1855 let ScrollbarLayoutInformation {
1856 editor_bounds,
1857 scroll_range,
1858 glyph_grid_cell,
1859 } = scrollbar_layout_information;
1860
1861 let line_height = glyph_grid_cell.height;
1862 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1863
1864 let top_right_anchor = scrollbar_layout
1865 .and_then(|layout| layout.vertical.as_ref())
1866 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1867 .unwrap_or_else(|| editor_bounds.top_right());
1868
1869 let thumb_state = self
1870 .editor
1871 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1872
1873 let show_thumb = match minimap_settings.thumb {
1874 MinimapThumb::Always => true,
1875 MinimapThumb::Hover => thumb_state.is_some(),
1876 };
1877
1878 let minimap_bounds = Bounds::from_corner_and_size(
1879 Corner::TopRight,
1880 top_right_anchor,
1881 size(minimap_width, editor_bounds.size.height),
1882 );
1883 let minimap_line_height = self.get_minimap_line_height(
1884 minimap_editor
1885 .read(cx)
1886 .text_style_refinement
1887 .as_ref()
1888 .and_then(|refinement| refinement.font_size)
1889 .unwrap_or(MINIMAP_FONT_SIZE),
1890 window,
1891 cx,
1892 );
1893 let minimap_height = minimap_bounds.size.height;
1894
1895 let visible_editor_lines = editor_bounds.size.height / line_height;
1896 let total_editor_lines = scroll_range.height / line_height;
1897 let minimap_lines = minimap_height / minimap_line_height;
1898
1899 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1900 total_editor_lines,
1901 visible_editor_lines,
1902 minimap_lines,
1903 scroll_position,
1904 );
1905
1906 let layout = ScrollbarLayout::for_minimap(
1907 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1908 visible_editor_lines,
1909 total_editor_lines,
1910 minimap_line_height,
1911 scroll_position,
1912 minimap_scroll_top,
1913 show_thumb,
1914 )
1915 .with_thumb_state(thumb_state);
1916
1917 minimap_editor.update(cx, |editor, cx| {
1918 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1919 });
1920
1921 // Required for the drop shadow to be visible
1922 const PADDING_OFFSET: Pixels = px(4.);
1923
1924 let mut minimap = div()
1925 .size_full()
1926 .shadow_xs()
1927 .px(PADDING_OFFSET)
1928 .child(minimap_editor)
1929 .into_any_element();
1930
1931 let extended_bounds = minimap_bounds.extend(Edges {
1932 right: PADDING_OFFSET,
1933 left: PADDING_OFFSET,
1934 ..Default::default()
1935 });
1936 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1937 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1938 minimap.prepaint(window, cx)
1939 });
1940
1941 Some(MinimapLayout {
1942 minimap,
1943 thumb_layout: layout,
1944 thumb_border_style: minimap_settings.thumb_border,
1945 minimap_line_height,
1946 minimap_scroll_top,
1947 max_scroll_top: total_editor_lines,
1948 })
1949 }
1950
1951 fn get_minimap_line_height(
1952 &self,
1953 font_size: AbsoluteLength,
1954 window: &mut Window,
1955 cx: &mut App,
1956 ) -> Pixels {
1957 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1958 let mut text_style = self.style.text.clone();
1959 text_style.font_size = font_size;
1960 text_style.line_height_in_pixels(rem_size)
1961 }
1962
1963 fn get_minimap_width(
1964 &self,
1965 minimap_settings: &Minimap,
1966 scrollbars_shown: bool,
1967 text_width: Pixels,
1968 em_width: Pixels,
1969 font_size: Pixels,
1970 rem_size: Pixels,
1971 cx: &App,
1972 ) -> Option<Pixels> {
1973 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1974 return None;
1975 }
1976
1977 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1978 editor.minimap().map(|minimap_editor| {
1979 minimap_editor
1980 .read(cx)
1981 .text_style_refinement
1982 .as_ref()
1983 .and_then(|refinement| refinement.font_size)
1984 .unwrap_or(MINIMAP_FONT_SIZE)
1985 })
1986 })?;
1987
1988 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1989
1990 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1991 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1992
1993 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1994 .then_some(minimap_width)
1995 }
1996
1997 fn prepaint_crease_toggles(
1998 &self,
1999 crease_toggles: &mut [Option<AnyElement>],
2000 line_height: Pixels,
2001 gutter_dimensions: &GutterDimensions,
2002 gutter_settings: crate::editor_settings::Gutter,
2003 scroll_pixel_position: gpui::Point<Pixels>,
2004 gutter_hitbox: &Hitbox,
2005 window: &mut Window,
2006 cx: &mut App,
2007 ) {
2008 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2009 if let Some(crease_toggle) = crease_toggle {
2010 debug_assert!(gutter_settings.folds);
2011 let available_space = size(
2012 AvailableSpace::MinContent,
2013 AvailableSpace::Definite(line_height * 0.55),
2014 );
2015 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2016
2017 let position = point(
2018 gutter_dimensions.width - gutter_dimensions.right_padding,
2019 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2020 );
2021 let centering_offset = point(
2022 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2023 (line_height - crease_toggle_size.height) / 2.,
2024 );
2025 let origin = gutter_hitbox.origin + position + centering_offset;
2026 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2027 }
2028 }
2029 }
2030
2031 fn prepaint_expand_toggles(
2032 &self,
2033 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2034 window: &mut Window,
2035 cx: &mut App,
2036 ) {
2037 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2038 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2039 expand_toggle.layout_as_root(available_space, window, cx);
2040 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2041 }
2042 }
2043
2044 fn prepaint_crease_trailers(
2045 &self,
2046 trailers: Vec<Option<AnyElement>>,
2047 lines: &[LineWithInvisibles],
2048 line_height: Pixels,
2049 content_origin: gpui::Point<Pixels>,
2050 scroll_pixel_position: gpui::Point<Pixels>,
2051 em_width: Pixels,
2052 window: &mut Window,
2053 cx: &mut App,
2054 ) -> Vec<Option<CreaseTrailerLayout>> {
2055 trailers
2056 .into_iter()
2057 .enumerate()
2058 .map(|(ix, element)| {
2059 let mut element = element?;
2060 let available_space = size(
2061 AvailableSpace::MinContent,
2062 AvailableSpace::Definite(line_height),
2063 );
2064 let size = element.layout_as_root(available_space, window, cx);
2065
2066 let line = &lines[ix];
2067 let padding = if line.width == Pixels::ZERO {
2068 Pixels::ZERO
2069 } else {
2070 4. * em_width
2071 };
2072 let position = point(
2073 scroll_pixel_position.x + line.width + padding,
2074 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2075 );
2076 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2077 let origin = content_origin + position + centering_offset;
2078 element.prepaint_as_root(origin, available_space, window, cx);
2079 Some(CreaseTrailerLayout {
2080 element,
2081 bounds: Bounds::new(origin, size),
2082 })
2083 })
2084 .collect()
2085 }
2086
2087 // Folds contained in a hunk are ignored apart from shrinking visual size
2088 // If a fold contains any hunks then that fold line is marked as modified
2089 fn layout_gutter_diff_hunks(
2090 &self,
2091 line_height: Pixels,
2092 gutter_hitbox: &Hitbox,
2093 display_rows: Range<DisplayRow>,
2094 snapshot: &EditorSnapshot,
2095 window: &mut Window,
2096 cx: &mut App,
2097 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2098 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2099 let mut display_hunks = snapshot
2100 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2101 .map(|hunk| (hunk, None))
2102 .collect::<Vec<_>>();
2103 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2104 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2105 for (hunk, hitbox) in &mut display_hunks {
2106 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2107 let hunk_bounds =
2108 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2109 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2110 }
2111 }
2112 }
2113
2114 display_hunks
2115 }
2116
2117 fn layout_inline_diagnostics(
2118 &self,
2119 line_layouts: &[LineWithInvisibles],
2120 crease_trailers: &[Option<CreaseTrailerLayout>],
2121 row_block_types: &HashMap<DisplayRow, bool>,
2122 content_origin: gpui::Point<Pixels>,
2123 scroll_pixel_position: gpui::Point<Pixels>,
2124 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2125 start_row: DisplayRow,
2126 end_row: DisplayRow,
2127 line_height: Pixels,
2128 em_width: Pixels,
2129 style: &EditorStyle,
2130 window: &mut Window,
2131 cx: &mut App,
2132 ) -> HashMap<DisplayRow, AnyElement> {
2133 let max_severity = match self
2134 .editor
2135 .read(cx)
2136 .inline_diagnostics_enabled()
2137 .then(|| {
2138 ProjectSettings::get_global(cx)
2139 .diagnostics
2140 .inline
2141 .max_severity
2142 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2143 .into_lsp()
2144 })
2145 .flatten()
2146 {
2147 Some(max_severity) => max_severity,
2148 None => return HashMap::default(),
2149 };
2150
2151 let active_diagnostics_group =
2152 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2153 Some(group.group_id)
2154 } else {
2155 None
2156 };
2157
2158 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2159 let snapshot = editor.snapshot(window, cx);
2160 editor
2161 .inline_diagnostics
2162 .iter()
2163 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2164 .filter(|(_, diagnostic)| match active_diagnostics_group {
2165 Some(active_diagnostics_group) => {
2166 // Active diagnostics are all shown in the editor already, no need to display them inline
2167 diagnostic.group_id != active_diagnostics_group
2168 }
2169 None => true,
2170 })
2171 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2172 .skip_while(|(point, _)| point.row() < start_row)
2173 .take_while(|(point, _)| point.row() < end_row)
2174 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2175 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2176 acc.entry(point.row())
2177 .or_insert_with(Vec::new)
2178 .push(diagnostic);
2179 acc
2180 })
2181 });
2182
2183 if diagnostics_by_rows.is_empty() {
2184 return HashMap::default();
2185 }
2186
2187 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2188 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2189 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2190 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2191 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2192 _ => Color::Error,
2193 };
2194
2195 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2196 let min_x = self.column_pixels(
2197 ProjectSettings::get_global(cx)
2198 .diagnostics
2199 .inline
2200 .min_column as usize,
2201 window,
2202 );
2203
2204 let mut elements = HashMap::default();
2205 for (row, mut diagnostics) in diagnostics_by_rows {
2206 diagnostics.sort_by_key(|diagnostic| {
2207 (
2208 diagnostic.severity,
2209 std::cmp::Reverse(diagnostic.is_primary),
2210 diagnostic.start.row,
2211 diagnostic.start.column,
2212 )
2213 });
2214
2215 let Some(diagnostic_to_render) = diagnostics
2216 .iter()
2217 .find(|diagnostic| diagnostic.is_primary)
2218 .or_else(|| diagnostics.first())
2219 else {
2220 continue;
2221 };
2222
2223 let pos_y = content_origin.y
2224 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2225
2226 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2227 let pos_x = {
2228 let crease_trailer_layout = &crease_trailers[window_ix];
2229 let line_layout = &line_layouts[window_ix];
2230
2231 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2232 crease_trailer.bounds.right()
2233 } else {
2234 content_origin.x - scroll_pixel_position.x + line_layout.width
2235 };
2236
2237 let padded_line = line_end + padding;
2238 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2239
2240 cmp::max(padded_line, min_start)
2241 };
2242
2243 let behind_edit_prediction_popover = edit_prediction_popover_origin
2244 .as_ref()
2245 .is_some_and(|edit_prediction_popover_origin| {
2246 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2247 });
2248 let opacity = if behind_edit_prediction_popover {
2249 0.5
2250 } else {
2251 1.0
2252 };
2253
2254 let mut element = h_flex()
2255 .id(("diagnostic", row.0))
2256 .h(line_height)
2257 .w_full()
2258 .px_1()
2259 .rounded_xs()
2260 .opacity(opacity)
2261 .bg(severity_to_color(&diagnostic_to_render.severity)
2262 .color(cx)
2263 .opacity(0.05))
2264 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2265 .text_sm()
2266 .font_family(style.text.font().family)
2267 .child(diagnostic_to_render.message.clone())
2268 .into_any();
2269
2270 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2271
2272 elements.insert(row, element);
2273 }
2274
2275 elements
2276 }
2277
2278 fn layout_inline_code_actions(
2279 &self,
2280 display_point: DisplayPoint,
2281 content_origin: gpui::Point<Pixels>,
2282 scroll_pixel_position: gpui::Point<Pixels>,
2283 line_height: Pixels,
2284 snapshot: &EditorSnapshot,
2285 window: &mut Window,
2286 cx: &mut App,
2287 ) -> Option<AnyElement> {
2288 if !snapshot
2289 .show_code_actions
2290 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2291 {
2292 return None;
2293 }
2294
2295 let icon_size = ui::IconSize::XSmall;
2296 let mut button = self.editor.update(cx, |editor, cx| {
2297 editor.available_code_actions.as_ref()?;
2298 let active = editor
2299 .context_menu
2300 .borrow()
2301 .as_ref()
2302 .and_then(|menu| {
2303 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2304 deployed_from,
2305 ..
2306 }) = menu
2307 {
2308 deployed_from.as_ref()
2309 } else {
2310 None
2311 }
2312 })
2313 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2314 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2315 })?;
2316
2317 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2318
2319 // do not show code action for folded line
2320 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2321 return None;
2322 }
2323
2324 // do not show code action for blank line with cursor
2325 let line_indent = snapshot
2326 .display_snapshot
2327 .buffer_snapshot
2328 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2329 if line_indent.is_line_blank() {
2330 return None;
2331 }
2332
2333 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2334 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2335
2336 let excerpt_id = snapshot
2337 .display_snapshot
2338 .buffer_snapshot
2339 .excerpt_containing(buffer_point..buffer_point)
2340 .map(|excerpt| excerpt.id());
2341
2342 let is_valid_row = |row_candidate: u32| -> bool {
2343 // move to other row if folded row
2344 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2345 return false;
2346 }
2347 if buffer_point.row == row_candidate {
2348 // move to other row if cursor is in slot
2349 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2350 return false;
2351 }
2352 } else {
2353 let candidate_point = MultiBufferPoint {
2354 row: row_candidate,
2355 column: 0,
2356 };
2357 let candidate_excerpt_id = snapshot
2358 .display_snapshot
2359 .buffer_snapshot
2360 .excerpt_containing(candidate_point..candidate_point)
2361 .map(|excerpt| excerpt.id());
2362 // move to other row if different excerpt
2363 if excerpt_id != candidate_excerpt_id {
2364 return false;
2365 }
2366 }
2367 let line_indent = snapshot
2368 .display_snapshot
2369 .buffer_snapshot
2370 .line_indent_for_row(MultiBufferRow(row_candidate));
2371 // use this row if it's blank
2372 if line_indent.is_line_blank() {
2373 true
2374 } else {
2375 // use this row if code starts after slot
2376 let indent_size = snapshot
2377 .display_snapshot
2378 .buffer_snapshot
2379 .indent_size_for_line(MultiBufferRow(row_candidate));
2380 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2381 }
2382 };
2383
2384 let new_buffer_row = if is_valid_row(buffer_point.row) {
2385 Some(buffer_point.row)
2386 } else {
2387 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2388 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2389 let row_above = buffer_point.row.saturating_sub(offset);
2390 let row_below = buffer_point.row + offset;
2391 if row_above != buffer_point.row && is_valid_row(row_above) {
2392 Some(row_above)
2393 } else if row_below <= max_row && is_valid_row(row_below) {
2394 Some(row_below)
2395 } else {
2396 None
2397 }
2398 })
2399 }?;
2400
2401 let new_display_row = snapshot
2402 .display_snapshot
2403 .point_to_display_point(
2404 Point {
2405 row: new_buffer_row,
2406 column: buffer_point.column,
2407 },
2408 text::Bias::Left,
2409 )
2410 .row();
2411
2412 let start_y = content_origin.y
2413 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2414 + (line_height / 2.0)
2415 - (icon_size.square(window, cx) / 2.);
2416 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2417
2418 let absolute_offset = gpui::point(start_x, start_y);
2419 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2420 button.prepaint_as_root(
2421 absolute_offset,
2422 gpui::AvailableSpace::min_size(),
2423 window,
2424 cx,
2425 );
2426 Some(button)
2427 }
2428
2429 fn layout_inline_blame(
2430 &self,
2431 display_row: DisplayRow,
2432 row_info: &RowInfo,
2433 line_layout: &LineWithInvisibles,
2434 crease_trailer: Option<&CreaseTrailerLayout>,
2435 em_width: Pixels,
2436 content_origin: gpui::Point<Pixels>,
2437 scroll_pixel_position: gpui::Point<Pixels>,
2438 line_height: Pixels,
2439 text_hitbox: &Hitbox,
2440 window: &mut Window,
2441 cx: &mut App,
2442 ) -> Option<InlineBlameLayout> {
2443 if !self
2444 .editor
2445 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2446 {
2447 return None;
2448 }
2449
2450 let editor = self.editor.read(cx);
2451 let blame = editor.blame.clone()?;
2452 let padding = {
2453 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2454
2455 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2456
2457 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2458 && let EditPrediction::Edit {
2459 display_mode: EditDisplayMode::TabAccept,
2460 ..
2461 } = &edit_prediction.completion
2462 {
2463 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2464 }
2465
2466 padding * em_width
2467 };
2468
2469 let (buffer_id, entry) = blame
2470 .update(cx, |blame, cx| {
2471 blame.blame_for_rows(&[*row_info], cx).next()
2472 })
2473 .flatten()?;
2474
2475 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2476
2477 let start_y = content_origin.y
2478 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2479
2480 let start_x = {
2481 let line_end = if let Some(crease_trailer) = crease_trailer {
2482 crease_trailer.bounds.right()
2483 } else {
2484 content_origin.x - scroll_pixel_position.x + line_layout.width
2485 };
2486
2487 let padded_line_end = line_end + padding;
2488
2489 let min_column_in_pixels = self.column_pixels(
2490 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2491 window,
2492 );
2493 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2494
2495 cmp::max(padded_line_end, min_start)
2496 };
2497
2498 let absolute_offset = point(start_x, start_y);
2499 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2500 let bounds = Bounds::new(absolute_offset, size);
2501
2502 self.layout_blame_entry_popover(
2503 entry.clone(),
2504 blame,
2505 line_height,
2506 text_hitbox,
2507 row_info.buffer_id?,
2508 window,
2509 cx,
2510 );
2511
2512 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2513
2514 Some(InlineBlameLayout {
2515 element,
2516 bounds,
2517 buffer_id,
2518 entry,
2519 })
2520 }
2521
2522 fn layout_blame_entry_popover(
2523 &self,
2524 blame_entry: BlameEntry,
2525 blame: Entity<GitBlame>,
2526 line_height: Pixels,
2527 text_hitbox: &Hitbox,
2528 buffer: BufferId,
2529 window: &mut Window,
2530 cx: &mut App,
2531 ) {
2532 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2533 editor
2534 .inline_blame_popover
2535 .as_ref()
2536 .map(|state| (state.popover_state.clone(), state.position))
2537 }) else {
2538 return;
2539 };
2540
2541 let workspace = self
2542 .editor
2543 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2544
2545 let maybe_element = workspace.and_then(|workspace| {
2546 render_blame_entry_popover(
2547 blame_entry,
2548 popover_state.scroll_handle,
2549 popover_state.commit_message,
2550 popover_state.markdown,
2551 workspace,
2552 &blame,
2553 buffer,
2554 window,
2555 cx,
2556 )
2557 });
2558
2559 if let Some(mut element) = maybe_element {
2560 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2561 let overall_height = size.height + HOVER_POPOVER_GAP;
2562 let popover_origin = if target_point.y > overall_height {
2563 point(target_point.x, target_point.y - size.height)
2564 } else {
2565 point(
2566 target_point.x,
2567 target_point.y + line_height + HOVER_POPOVER_GAP,
2568 )
2569 };
2570
2571 let horizontal_offset = (text_hitbox.top_right().x
2572 - POPOVER_RIGHT_OFFSET
2573 - (popover_origin.x + size.width))
2574 .min(Pixels::ZERO);
2575
2576 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2577 let popover_bounds = Bounds::new(origin, size);
2578
2579 self.editor.update(cx, |editor, _| {
2580 if let Some(state) = &mut editor.inline_blame_popover {
2581 state.popover_bounds = Some(popover_bounds);
2582 }
2583 });
2584
2585 window.defer_draw(element, origin, 2);
2586 }
2587 }
2588
2589 fn layout_blame_entries(
2590 &self,
2591 buffer_rows: &[RowInfo],
2592 em_width: Pixels,
2593 scroll_position: gpui::Point<f32>,
2594 line_height: Pixels,
2595 gutter_hitbox: &Hitbox,
2596 max_width: Option<Pixels>,
2597 window: &mut Window,
2598 cx: &mut App,
2599 ) -> Option<Vec<AnyElement>> {
2600 if !self
2601 .editor
2602 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2603 {
2604 return None;
2605 }
2606
2607 let blame = self.editor.read(cx).blame.clone()?;
2608 let workspace = self.editor.read(cx).workspace()?;
2609 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2610 blame.blame_for_rows(buffer_rows, cx).collect()
2611 });
2612
2613 let width = if let Some(max_width) = max_width {
2614 AvailableSpace::Definite(max_width)
2615 } else {
2616 AvailableSpace::MaxContent
2617 };
2618 let scroll_top = scroll_position.y * line_height;
2619 let start_x = em_width;
2620
2621 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2622 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2623
2624 let shaped_lines = blamed_rows
2625 .into_iter()
2626 .enumerate()
2627 .flat_map(|(ix, blame_entry)| {
2628 let (buffer_id, blame_entry) = blame_entry?;
2629 let mut element = render_blame_entry(
2630 ix,
2631 &blame,
2632 blame_entry,
2633 &self.style,
2634 &mut last_used_color,
2635 self.editor.clone(),
2636 workspace.clone(),
2637 buffer_id,
2638 blame_renderer.clone(),
2639 cx,
2640 )?;
2641
2642 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2643 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2644
2645 element.prepaint_as_root(
2646 absolute_offset,
2647 size(width, AvailableSpace::MinContent),
2648 window,
2649 cx,
2650 );
2651
2652 Some(element)
2653 })
2654 .collect();
2655
2656 Some(shaped_lines)
2657 }
2658
2659 fn layout_indent_guides(
2660 &self,
2661 content_origin: gpui::Point<Pixels>,
2662 text_origin: gpui::Point<Pixels>,
2663 visible_buffer_range: Range<MultiBufferRow>,
2664 scroll_pixel_position: gpui::Point<Pixels>,
2665 line_height: Pixels,
2666 snapshot: &DisplaySnapshot,
2667 window: &mut Window,
2668 cx: &mut App,
2669 ) -> Option<Vec<IndentGuideLayout>> {
2670 let indent_guides = self.editor.update(cx, |editor, cx| {
2671 editor.indent_guides(visible_buffer_range, snapshot, cx)
2672 })?;
2673
2674 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2675 editor
2676 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2677 .unwrap_or_default()
2678 });
2679
2680 Some(
2681 indent_guides
2682 .into_iter()
2683 .enumerate()
2684 .filter_map(|(i, indent_guide)| {
2685 let single_indent_width =
2686 self.column_pixels(indent_guide.tab_size as usize, window);
2687 let total_width = single_indent_width * indent_guide.depth as f32;
2688 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2689 if start_x >= text_origin.x {
2690 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2691 indent_guide.start_row..indent_guide.end_row,
2692 line_height,
2693 snapshot,
2694 );
2695
2696 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2697
2698 Some(IndentGuideLayout {
2699 origin: point(start_x, start_y),
2700 length,
2701 single_indent_width,
2702 depth: indent_guide.depth,
2703 active: active_indent_guide_indices.contains(&i),
2704 settings: indent_guide.settings,
2705 })
2706 } else {
2707 None
2708 }
2709 })
2710 .collect(),
2711 )
2712 }
2713
2714 fn layout_wrap_guides(
2715 &self,
2716 em_advance: Pixels,
2717 scroll_position: gpui::Point<f32>,
2718 content_origin: gpui::Point<Pixels>,
2719 scrollbar_layout: Option<&EditorScrollbars>,
2720 vertical_scrollbar_width: Pixels,
2721 hitbox: &Hitbox,
2722 window: &Window,
2723 cx: &App,
2724 ) -> SmallVec<[(Pixels, bool); 2]> {
2725 let scroll_left = scroll_position.x * em_advance;
2726 let content_origin = content_origin.x;
2727 let horizontal_offset = content_origin - scroll_left;
2728 let vertical_scrollbar_width = scrollbar_layout
2729 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2730 .unwrap_or_default();
2731
2732 self.editor
2733 .read(cx)
2734 .wrap_guides(cx)
2735 .into_iter()
2736 .flat_map(|(guide, active)| {
2737 let wrap_position = self.column_pixels(guide, window);
2738 let wrap_guide_x = wrap_position + horizontal_offset;
2739 let display_wrap_guide = wrap_guide_x >= content_origin
2740 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2741
2742 display_wrap_guide.then_some((wrap_guide_x, active))
2743 })
2744 .collect()
2745 }
2746
2747 fn calculate_indent_guide_bounds(
2748 row_range: Range<MultiBufferRow>,
2749 line_height: Pixels,
2750 snapshot: &DisplaySnapshot,
2751 ) -> (gpui::Pixels, gpui::Pixels) {
2752 let start_point = Point::new(row_range.start.0, 0);
2753 let end_point = Point::new(row_range.end.0, 0);
2754
2755 let row_range = start_point.to_display_point(snapshot).row()
2756 ..end_point.to_display_point(snapshot).row();
2757
2758 let mut prev_line = start_point;
2759 prev_line.row = prev_line.row.saturating_sub(1);
2760 let prev_line = prev_line.to_display_point(snapshot).row();
2761
2762 let mut cons_line = end_point;
2763 cons_line.row += 1;
2764 let cons_line = cons_line.to_display_point(snapshot).row();
2765
2766 let mut offset_y = row_range.start.0 as f32 * line_height;
2767 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2768
2769 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2770 if row_range.end == cons_line {
2771 length += line_height;
2772 }
2773
2774 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2775 // we want to extend the indent guide to the start of the block.
2776 let mut block_height = 0;
2777 let mut block_offset = 0;
2778 let mut found_excerpt_header = false;
2779 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2780 if matches!(
2781 block,
2782 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2783 ) {
2784 found_excerpt_header = true;
2785 break;
2786 }
2787 block_offset += block.height();
2788 block_height += block.height();
2789 }
2790 if !found_excerpt_header {
2791 offset_y -= block_offset as f32 * line_height;
2792 length += block_height as f32 * line_height;
2793 }
2794
2795 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2796 // we want to ensure that the indent guide stops before the excerpt header.
2797 let mut block_height = 0;
2798 let mut found_excerpt_header = false;
2799 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2800 if matches!(
2801 block,
2802 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2803 ) {
2804 found_excerpt_header = true;
2805 }
2806 block_height += block.height();
2807 }
2808 if found_excerpt_header {
2809 length -= block_height as f32 * line_height;
2810 }
2811
2812 (offset_y, length)
2813 }
2814
2815 fn layout_breakpoints(
2816 &self,
2817 line_height: Pixels,
2818 range: Range<DisplayRow>,
2819 scroll_pixel_position: gpui::Point<Pixels>,
2820 gutter_dimensions: &GutterDimensions,
2821 gutter_hitbox: &Hitbox,
2822 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2823 snapshot: &EditorSnapshot,
2824 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2825 row_infos: &[RowInfo],
2826 window: &mut Window,
2827 cx: &mut App,
2828 ) -> Vec<AnyElement> {
2829 self.editor.update(cx, |editor, cx| {
2830 breakpoints
2831 .into_iter()
2832 .filter_map(|(display_row, (text_anchor, bp, state))| {
2833 if row_infos
2834 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2835 .is_some_and(|row_info| {
2836 row_info.expand_info.is_some()
2837 || row_info
2838 .diff_status
2839 .is_some_and(|status| status.is_deleted())
2840 })
2841 {
2842 return None;
2843 }
2844
2845 if range.start > display_row || range.end < display_row {
2846 return None;
2847 }
2848
2849 let row =
2850 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2851 if snapshot.is_line_folded(row) {
2852 return None;
2853 }
2854
2855 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2856
2857 let button = prepaint_gutter_button(
2858 button,
2859 display_row,
2860 line_height,
2861 gutter_dimensions,
2862 scroll_pixel_position,
2863 gutter_hitbox,
2864 display_hunks,
2865 window,
2866 cx,
2867 );
2868 Some(button)
2869 })
2870 .collect_vec()
2871 })
2872 }
2873
2874 #[allow(clippy::too_many_arguments)]
2875 fn layout_run_indicators(
2876 &self,
2877 line_height: Pixels,
2878 range: Range<DisplayRow>,
2879 row_infos: &[RowInfo],
2880 scroll_pixel_position: gpui::Point<Pixels>,
2881 gutter_dimensions: &GutterDimensions,
2882 gutter_hitbox: &Hitbox,
2883 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2884 snapshot: &EditorSnapshot,
2885 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2886 window: &mut Window,
2887 cx: &mut App,
2888 ) -> Vec<AnyElement> {
2889 self.editor.update(cx, |editor, cx| {
2890 let active_task_indicator_row =
2891 // TODO: add edit button on the right side of each row in the context menu
2892 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2893 deployed_from,
2894 actions,
2895 ..
2896 })) = editor.context_menu.borrow().as_ref()
2897 {
2898 actions
2899 .tasks()
2900 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2901 .or_else(|| match deployed_from {
2902 Some(CodeActionSource::Indicator(row)) => Some(*row),
2903 _ => None,
2904 })
2905 } else {
2906 None
2907 };
2908
2909 let offset_range_start =
2910 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2911
2912 let offset_range_end =
2913 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2914
2915 editor
2916 .tasks
2917 .iter()
2918 .filter_map(|(_, tasks)| {
2919 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2920 if multibuffer_point < offset_range_start
2921 || multibuffer_point > offset_range_end
2922 {
2923 return None;
2924 }
2925 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2926 let buffer_folded = snapshot
2927 .buffer_snapshot
2928 .buffer_line_for_row(multibuffer_row)
2929 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2930 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2931 .unwrap_or(false);
2932 if buffer_folded {
2933 return None;
2934 }
2935
2936 if snapshot.is_line_folded(multibuffer_row) {
2937 // Skip folded indicators, unless it's the starting line of a fold.
2938 if multibuffer_row
2939 .0
2940 .checked_sub(1)
2941 .is_some_and(|previous_row| {
2942 snapshot.is_line_folded(MultiBufferRow(previous_row))
2943 })
2944 {
2945 return None;
2946 }
2947 }
2948
2949 let display_row = multibuffer_point.to_display_point(snapshot).row();
2950 if !range.contains(&display_row) {
2951 return None;
2952 }
2953 if row_infos
2954 .get((display_row - range.start).0 as usize)
2955 .is_some_and(|row_info| row_info.expand_info.is_some())
2956 {
2957 return None;
2958 }
2959
2960 let button = editor.render_run_indicator(
2961 &self.style,
2962 Some(display_row) == active_task_indicator_row,
2963 display_row,
2964 breakpoints.remove(&display_row),
2965 cx,
2966 );
2967
2968 let button = prepaint_gutter_button(
2969 button,
2970 display_row,
2971 line_height,
2972 gutter_dimensions,
2973 scroll_pixel_position,
2974 gutter_hitbox,
2975 display_hunks,
2976 window,
2977 cx,
2978 );
2979 Some(button)
2980 })
2981 .collect_vec()
2982 })
2983 }
2984
2985 fn layout_expand_toggles(
2986 &self,
2987 gutter_hitbox: &Hitbox,
2988 gutter_dimensions: GutterDimensions,
2989 em_width: Pixels,
2990 line_height: Pixels,
2991 scroll_position: gpui::Point<f32>,
2992 buffer_rows: &[RowInfo],
2993 window: &mut Window,
2994 cx: &mut App,
2995 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2996 if self.editor.read(cx).disable_expand_excerpt_buttons {
2997 return vec![];
2998 }
2999
3000 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3001
3002 let scroll_top = scroll_position.y * line_height;
3003
3004 let max_line_number_length = self
3005 .editor
3006 .read(cx)
3007 .buffer()
3008 .read(cx)
3009 .snapshot(cx)
3010 .widest_line_number()
3011 .ilog10()
3012 + 1;
3013
3014 let git_gutter_width = Self::gutter_strip_width(line_height)
3015 + gutter_dimensions
3016 .git_blame_entries_width
3017 .unwrap_or_default();
3018 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3019
3020 buffer_rows
3021 .iter()
3022 .enumerate()
3023 .map(|(ix, row_info)| {
3024 let ExpandInfo {
3025 excerpt_id,
3026 direction,
3027 } = row_info.expand_info?;
3028
3029 let icon_name = match direction {
3030 ExpandExcerptDirection::Up => IconName::ExpandUp,
3031 ExpandExcerptDirection::Down => IconName::ExpandDown,
3032 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3033 };
3034
3035 let editor = self.editor.clone();
3036 let is_wide = max_line_number_length
3037 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3038 && row_info
3039 .buffer_row
3040 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3041 || gutter_dimensions.right_padding == px(0.);
3042
3043 let width = if is_wide {
3044 available_width - px(2.)
3045 } else {
3046 available_width + em_width - px(2.)
3047 };
3048
3049 let toggle = IconButton::new(("expand", ix), icon_name)
3050 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3051 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3052 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3053 .width(width)
3054 .on_click(move |_, window, cx| {
3055 editor.update(cx, |editor, cx| {
3056 editor.expand_excerpt(excerpt_id, direction, window, cx);
3057 });
3058 })
3059 .tooltip(Tooltip::for_action_title(
3060 "Expand Excerpt",
3061 &crate::actions::ExpandExcerpts::default(),
3062 ))
3063 .into_any_element();
3064
3065 let position = point(
3066 git_gutter_width + px(1.),
3067 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3068 );
3069 let origin = gutter_hitbox.origin + position;
3070
3071 Some((toggle, origin))
3072 })
3073 .collect()
3074 }
3075
3076 fn calculate_relative_line_numbers(
3077 &self,
3078 snapshot: &EditorSnapshot,
3079 rows: &Range<DisplayRow>,
3080 relative_to: Option<DisplayRow>,
3081 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3082 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3083 let Some(relative_to) = relative_to else {
3084 return relative_rows;
3085 };
3086
3087 let start = rows.start.min(relative_to);
3088 let end = rows.end.max(relative_to);
3089
3090 let buffer_rows = snapshot
3091 .row_infos(start)
3092 .take(1 + end.minus(start) as usize)
3093 .collect::<Vec<_>>();
3094
3095 let head_idx = relative_to.minus(start);
3096 let mut delta = 1;
3097 let mut i = head_idx + 1;
3098 while i < buffer_rows.len() as u32 {
3099 if buffer_rows[i as usize].buffer_row.is_some() {
3100 if rows.contains(&DisplayRow(i + start.0)) {
3101 relative_rows.insert(DisplayRow(i + start.0), delta);
3102 }
3103 delta += 1;
3104 }
3105 i += 1;
3106 }
3107 delta = 1;
3108 i = head_idx.min(buffer_rows.len() as u32 - 1);
3109 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3110 i -= 1;
3111 }
3112
3113 while i > 0 {
3114 i -= 1;
3115 if buffer_rows[i as usize].buffer_row.is_some() {
3116 if rows.contains(&DisplayRow(i + start.0)) {
3117 relative_rows.insert(DisplayRow(i + start.0), delta);
3118 }
3119 delta += 1;
3120 }
3121 }
3122
3123 relative_rows
3124 }
3125
3126 fn layout_line_numbers(
3127 &self,
3128 gutter_hitbox: Option<&Hitbox>,
3129 gutter_dimensions: GutterDimensions,
3130 line_height: Pixels,
3131 scroll_position: gpui::Point<f32>,
3132 rows: Range<DisplayRow>,
3133 buffer_rows: &[RowInfo],
3134 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3135 newest_selection_head: Option<DisplayPoint>,
3136 snapshot: &EditorSnapshot,
3137 window: &mut Window,
3138 cx: &mut App,
3139 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3140 let include_line_numbers = snapshot
3141 .show_line_numbers
3142 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3143 if !include_line_numbers {
3144 return Arc::default();
3145 }
3146
3147 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3148 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3149 let newest = editor.selections.newest::<Point>(cx);
3150 SelectionLayout::new(
3151 newest,
3152 editor.selections.line_mode,
3153 editor.cursor_shape,
3154 &snapshot.display_snapshot,
3155 true,
3156 true,
3157 None,
3158 )
3159 .head
3160 });
3161 let is_relative = editor.should_use_relative_line_numbers(cx);
3162 (newest_selection_head, is_relative)
3163 });
3164
3165 let relative_to = if is_relative {
3166 Some(newest_selection_head.row())
3167 } else {
3168 None
3169 };
3170 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3171 let mut line_number = String::new();
3172 let line_numbers = buffer_rows
3173 .iter()
3174 .enumerate()
3175 .flat_map(|(ix, row_info)| {
3176 let display_row = DisplayRow(rows.start.0 + ix as u32);
3177 line_number.clear();
3178 let non_relative_number = row_info.buffer_row? + 1;
3179 let number = relative_rows
3180 .get(&display_row)
3181 .unwrap_or(&non_relative_number);
3182 write!(&mut line_number, "{number}").unwrap();
3183 if row_info
3184 .diff_status
3185 .is_some_and(|status| status.is_deleted())
3186 {
3187 return None;
3188 }
3189
3190 let color = active_rows
3191 .get(&display_row)
3192 .map(|spec| {
3193 if spec.breakpoint {
3194 cx.theme().colors().debugger_accent
3195 } else {
3196 cx.theme().colors().editor_active_line_number
3197 }
3198 })
3199 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3200 let shaped_line =
3201 self.shape_line_number(SharedString::from(&line_number), color, window);
3202 let scroll_top = scroll_position.y * line_height;
3203 let line_origin = gutter_hitbox.map(|hitbox| {
3204 hitbox.origin
3205 + point(
3206 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3207 ix as f32 * line_height - (scroll_top % line_height),
3208 )
3209 });
3210
3211 #[cfg(not(test))]
3212 let hitbox = line_origin.map(|line_origin| {
3213 window.insert_hitbox(
3214 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3215 HitboxBehavior::Normal,
3216 )
3217 });
3218 #[cfg(test)]
3219 let hitbox = {
3220 let _ = line_origin;
3221 None
3222 };
3223
3224 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3225 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3226 let line_number = LineNumberLayout {
3227 shaped_line,
3228 hitbox,
3229 };
3230 Some((multi_buffer_row, line_number))
3231 })
3232 .collect();
3233 Arc::new(line_numbers)
3234 }
3235
3236 fn layout_crease_toggles(
3237 &self,
3238 rows: Range<DisplayRow>,
3239 row_infos: &[RowInfo],
3240 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3241 snapshot: &EditorSnapshot,
3242 window: &mut Window,
3243 cx: &mut App,
3244 ) -> Vec<Option<AnyElement>> {
3245 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3246 && snapshot.mode.is_full()
3247 && self.editor.read(cx).is_singleton(cx);
3248 if include_fold_statuses {
3249 row_infos
3250 .iter()
3251 .enumerate()
3252 .map(|(ix, info)| {
3253 if info.expand_info.is_some() {
3254 return None;
3255 }
3256 let row = info.multibuffer_row?;
3257 let display_row = DisplayRow(rows.start.0 + ix as u32);
3258 let active = active_rows.contains_key(&display_row);
3259
3260 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3261 })
3262 .collect()
3263 } else {
3264 Vec::new()
3265 }
3266 }
3267
3268 fn layout_crease_trailers(
3269 &self,
3270 buffer_rows: impl IntoIterator<Item = RowInfo>,
3271 snapshot: &EditorSnapshot,
3272 window: &mut Window,
3273 cx: &mut App,
3274 ) -> Vec<Option<AnyElement>> {
3275 buffer_rows
3276 .into_iter()
3277 .map(|row_info| {
3278 if row_info.expand_info.is_some() {
3279 return None;
3280 }
3281 if let Some(row) = row_info.multibuffer_row {
3282 snapshot.render_crease_trailer(row, window, cx)
3283 } else {
3284 None
3285 }
3286 })
3287 .collect()
3288 }
3289
3290 fn bg_segments_per_row(
3291 rows: Range<DisplayRow>,
3292 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3293 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3294 base_background: Hsla,
3295 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3296 if rows.start >= rows.end {
3297 return Vec::new();
3298 }
3299 if !base_background.is_opaque() {
3300 // We don't actually know what color is behind this editor.
3301 return Vec::new();
3302 }
3303 let highlight_iter = highlight_ranges.iter().cloned();
3304 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3305 let color = player_color.selection;
3306 layouts.iter().filter_map(move |selection_layout| {
3307 if selection_layout.range.start != selection_layout.range.end {
3308 Some((selection_layout.range.clone(), color))
3309 } else {
3310 None
3311 }
3312 })
3313 });
3314 let mut per_row_map = vec![Vec::new(); rows.len()];
3315 for (range, color) in highlight_iter.chain(selection_iter) {
3316 let covered_rows = if range.end.column() == 0 {
3317 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3318 } else {
3319 cmp::max(range.start.row(), rows.start)
3320 ..cmp::min(range.end.row().next_row(), rows.end)
3321 };
3322 for row in covered_rows.iter_rows() {
3323 let seg_start = if row == range.start.row() {
3324 range.start
3325 } else {
3326 DisplayPoint::new(row, 0)
3327 };
3328 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3329 range.end
3330 } else {
3331 DisplayPoint::new(row, u32::MAX)
3332 };
3333 let ix = row.minus(rows.start) as usize;
3334 debug_assert!(row >= rows.start && row < rows.end);
3335 debug_assert!(ix < per_row_map.len());
3336 per_row_map[ix].push((seg_start..seg_end, color));
3337 }
3338 }
3339 for row_segments in per_row_map.iter_mut() {
3340 if row_segments.is_empty() {
3341 continue;
3342 }
3343 let segments = mem::take(row_segments);
3344 let merged = Self::merge_overlapping_ranges(segments, base_background);
3345 *row_segments = merged;
3346 }
3347 per_row_map
3348 }
3349
3350 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3351 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3352 ///
3353 /// Expects `start.row() == end.row()` for each range.
3354 fn merge_overlapping_ranges(
3355 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3356 base_background: Hsla,
3357 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3358 struct Boundary {
3359 pos: DisplayPoint,
3360 is_start: bool,
3361 index: usize,
3362 color: Hsla,
3363 }
3364
3365 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3366 for (index, (range, color)) in ranges.iter().enumerate() {
3367 debug_assert!(
3368 range.start.row() == range.end.row(),
3369 "expects single-row ranges"
3370 );
3371 if range.start < range.end {
3372 boundaries.push(Boundary {
3373 pos: range.start,
3374 is_start: true,
3375 index,
3376 color: *color,
3377 });
3378 boundaries.push(Boundary {
3379 pos: range.end,
3380 is_start: false,
3381 index,
3382 color: *color,
3383 });
3384 }
3385 }
3386
3387 if boundaries.is_empty() {
3388 return Vec::new();
3389 }
3390
3391 boundaries
3392 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3393
3394 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3395 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3396
3397 let mut i = 0;
3398 let mut start_pos = boundaries[0].pos;
3399
3400 let boundaries_len = boundaries.len();
3401 while i < boundaries_len {
3402 let current_boundary_pos = boundaries[i].pos;
3403 if start_pos < current_boundary_pos {
3404 if !active_ranges.is_empty() {
3405 let mut color = base_background;
3406 for &(_, c) in &active_ranges {
3407 color = Hsla::blend(color, c);
3408 }
3409 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3410 if *last_color == color && last_range.end == start_pos {
3411 last_range.end = current_boundary_pos;
3412 } else {
3413 processed_ranges.push((start_pos..current_boundary_pos, color));
3414 }
3415 } else {
3416 processed_ranges.push((start_pos..current_boundary_pos, color));
3417 }
3418 }
3419 }
3420 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3421 let active_range = &boundaries[i];
3422 if active_range.is_start {
3423 let idx = active_range.index;
3424 let pos = active_ranges
3425 .binary_search_by_key(&idx, |(i, _)| *i)
3426 .unwrap_or_else(|p| p);
3427 active_ranges.insert(pos, (idx, active_range.color));
3428 } else {
3429 let idx = active_range.index;
3430 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3431 active_ranges.remove(pos);
3432 }
3433 }
3434 i += 1;
3435 }
3436 start_pos = current_boundary_pos;
3437 }
3438
3439 processed_ranges
3440 }
3441
3442 fn layout_lines(
3443 rows: Range<DisplayRow>,
3444 snapshot: &EditorSnapshot,
3445 style: &EditorStyle,
3446 editor_width: Pixels,
3447 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3448 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3449 window: &mut Window,
3450 cx: &mut App,
3451 ) -> Vec<LineWithInvisibles> {
3452 if rows.start >= rows.end {
3453 return Vec::new();
3454 }
3455
3456 // Show the placeholder when the editor is empty
3457 if snapshot.is_empty() {
3458 let font_size = style.text.font_size.to_pixels(window.rem_size());
3459 let placeholder_color = cx.theme().colors().text_placeholder;
3460 let placeholder_text = snapshot.placeholder_text();
3461
3462 let placeholder_lines = placeholder_text
3463 .as_ref()
3464 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3465
3466 let placeholder_line_count = placeholder_lines.len();
3467
3468 placeholder_lines
3469 .into_iter()
3470 .skip(rows.start.0 as usize)
3471 .chain(iter::repeat(""))
3472 .take(cmp::max(rows.len(), placeholder_line_count))
3473 .map(move |line| {
3474 let run = TextRun {
3475 len: line.len(),
3476 font: style.text.font(),
3477 color: placeholder_color,
3478 background_color: None,
3479 underline: None,
3480 strikethrough: None,
3481 };
3482 let line = window.text_system().shape_line(
3483 line.to_string().into(),
3484 font_size,
3485 &[run],
3486 None,
3487 );
3488 LineWithInvisibles {
3489 width: line.width,
3490 len: line.len,
3491 fragments: smallvec![LineFragment::Text(line)],
3492 invisibles: Vec::new(),
3493 font_size,
3494 }
3495 })
3496 .collect()
3497 } else {
3498 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3499 LineWithInvisibles::from_chunks(
3500 chunks,
3501 style,
3502 MAX_LINE_LEN,
3503 rows.len(),
3504 &snapshot.mode,
3505 editor_width,
3506 is_row_soft_wrapped,
3507 bg_segments_per_row,
3508 window,
3509 cx,
3510 )
3511 }
3512 }
3513
3514 fn prepaint_lines(
3515 &self,
3516 start_row: DisplayRow,
3517 line_layouts: &mut [LineWithInvisibles],
3518 line_height: Pixels,
3519 scroll_pixel_position: gpui::Point<Pixels>,
3520 content_origin: gpui::Point<Pixels>,
3521 window: &mut Window,
3522 cx: &mut App,
3523 ) -> SmallVec<[AnyElement; 1]> {
3524 let mut line_elements = SmallVec::new();
3525 for (ix, line) in line_layouts.iter_mut().enumerate() {
3526 let row = start_row + DisplayRow(ix as u32);
3527 line.prepaint(
3528 line_height,
3529 scroll_pixel_position,
3530 row,
3531 content_origin,
3532 &mut line_elements,
3533 window,
3534 cx,
3535 );
3536 }
3537 line_elements
3538 }
3539
3540 fn render_block(
3541 &self,
3542 block: &Block,
3543 available_width: AvailableSpace,
3544 block_id: BlockId,
3545 block_row_start: DisplayRow,
3546 snapshot: &EditorSnapshot,
3547 text_x: Pixels,
3548 rows: &Range<DisplayRow>,
3549 line_layouts: &[LineWithInvisibles],
3550 editor_margins: &EditorMargins,
3551 line_height: Pixels,
3552 em_width: Pixels,
3553 text_hitbox: &Hitbox,
3554 editor_width: Pixels,
3555 scroll_width: &mut Pixels,
3556 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3557 row_block_types: &mut HashMap<DisplayRow, bool>,
3558 selections: &[Selection<Point>],
3559 selected_buffer_ids: &Vec<BufferId>,
3560 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3561 sticky_header_excerpt_id: Option<ExcerptId>,
3562 window: &mut Window,
3563 cx: &mut App,
3564 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3565 let mut x_position = None;
3566 let mut element = match block {
3567 Block::Custom(custom) => {
3568 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3569 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3570 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3571 return None;
3572 }
3573 let align_to = block_start.to_display_point(snapshot);
3574 let x_and_width = |layout: &LineWithInvisibles| {
3575 Some((
3576 text_x + layout.x_for_index(align_to.column() as usize),
3577 text_x + layout.width,
3578 ))
3579 };
3580 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3581 x_position =
3582 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3583 x_and_width(layout)
3584 } else {
3585 x_and_width(&layout_line(
3586 align_to.row(),
3587 snapshot,
3588 &self.style,
3589 editor_width,
3590 is_row_soft_wrapped,
3591 window,
3592 cx,
3593 ))
3594 };
3595
3596 let anchor_x = x_position.unwrap().0;
3597
3598 let selected = selections
3599 .binary_search_by(|selection| {
3600 if selection.end <= block_start {
3601 Ordering::Less
3602 } else if selection.start >= block_end {
3603 Ordering::Greater
3604 } else {
3605 Ordering::Equal
3606 }
3607 })
3608 .is_ok();
3609
3610 div()
3611 .size_full()
3612 .child(custom.render(&mut BlockContext {
3613 window,
3614 app: cx,
3615 anchor_x,
3616 margins: editor_margins,
3617 line_height,
3618 em_width,
3619 block_id,
3620 selected,
3621 max_width: text_hitbox.size.width.max(*scroll_width),
3622 editor_style: &self.style,
3623 }))
3624 .into_any()
3625 }
3626
3627 Block::FoldedBuffer {
3628 first_excerpt,
3629 height,
3630 ..
3631 } => {
3632 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3633 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3634
3635 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3636 result
3637 .child(self.render_buffer_header(
3638 first_excerpt,
3639 true,
3640 selected,
3641 false,
3642 jump_data,
3643 window,
3644 cx,
3645 ))
3646 .into_any_element()
3647 }
3648
3649 Block::ExcerptBoundary { .. } => {
3650 let color = cx.theme().colors().clone();
3651 let mut result = v_flex().id(block_id).w_full();
3652
3653 result = result.child(
3654 h_flex().relative().child(
3655 div()
3656 .top(line_height / 2.)
3657 .absolute()
3658 .w_full()
3659 .h_px()
3660 .bg(color.border_variant),
3661 ),
3662 );
3663
3664 result.into_any()
3665 }
3666
3667 Block::BufferHeader { excerpt, height } => {
3668 let mut result = v_flex().id(block_id).w_full();
3669
3670 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3671
3672 if sticky_header_excerpt_id != Some(excerpt.id) {
3673 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3674
3675 result = result.child(div().pr(editor_margins.right).child(
3676 self.render_buffer_header(
3677 excerpt, false, selected, false, jump_data, window, cx,
3678 ),
3679 ));
3680 } else {
3681 result =
3682 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3683 }
3684
3685 result.into_any()
3686 }
3687 };
3688
3689 // Discover the element's content height, then round up to the nearest multiple of line height.
3690 let preliminary_size = element.layout_as_root(
3691 size(available_width, AvailableSpace::MinContent),
3692 window,
3693 cx,
3694 );
3695 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3696 let final_size = if preliminary_size.height == quantized_height {
3697 preliminary_size
3698 } else {
3699 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3700 };
3701 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3702
3703 let mut row = block_row_start;
3704 let mut x_offset = px(0.);
3705 let mut is_block = true;
3706
3707 if let BlockId::Custom(custom_block_id) = block_id
3708 && block.has_height()
3709 {
3710 if block.place_near()
3711 && let Some((x_target, line_width)) = x_position
3712 {
3713 let margin = em_width * 2;
3714 if line_width + final_size.width + margin
3715 < editor_width + editor_margins.gutter.full_width()
3716 && !row_block_types.contains_key(&(row - 1))
3717 && element_height_in_lines == 1
3718 {
3719 x_offset = line_width + margin;
3720 row = row - 1;
3721 is_block = false;
3722 element_height_in_lines = 0;
3723 row_block_types.insert(row, is_block);
3724 } else {
3725 let max_offset =
3726 editor_width + editor_margins.gutter.full_width() - final_size.width;
3727 let min_offset = (x_target + em_width - final_size.width)
3728 .max(editor_margins.gutter.full_width());
3729 x_offset = x_target.min(max_offset).max(min_offset);
3730 }
3731 };
3732 if element_height_in_lines != block.height() {
3733 resized_blocks.insert(custom_block_id, element_height_in_lines);
3734 }
3735 }
3736 for i in 0..element_height_in_lines {
3737 row_block_types.insert(row + i, is_block);
3738 }
3739
3740 Some((element, final_size, row, x_offset))
3741 }
3742
3743 fn render_buffer_header(
3744 &self,
3745 for_excerpt: &ExcerptInfo,
3746 is_folded: bool,
3747 is_selected: bool,
3748 is_sticky: bool,
3749 jump_data: JumpData,
3750 window: &mut Window,
3751 cx: &mut App,
3752 ) -> impl IntoElement {
3753 let editor = self.editor.read(cx);
3754 let multi_buffer = editor.buffer.read(cx);
3755 let file_status = multi_buffer
3756 .all_diff_hunks_expanded()
3757 .then(|| {
3758 editor
3759 .project
3760 .as_ref()?
3761 .read(cx)
3762 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3763 })
3764 .flatten();
3765 let indicator = multi_buffer
3766 .buffer(for_excerpt.buffer_id)
3767 .and_then(|buffer| {
3768 let buffer = buffer.read(cx);
3769 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3770 (true, _) => Some(Color::Warning),
3771 (_, true) => Some(Color::Accent),
3772 (false, false) => None,
3773 };
3774 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3775 });
3776
3777 let include_root = editor
3778 .project
3779 .as_ref()
3780 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3781 .unwrap_or_default();
3782 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3783 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3784 let filename = relative_path
3785 .as_ref()
3786 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3787 let parent_path = relative_path.as_ref().and_then(|path| {
3788 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3789 });
3790 let focus_handle = editor.focus_handle(cx);
3791 let colors = cx.theme().colors();
3792
3793 let header = div()
3794 .p_1()
3795 .w_full()
3796 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3797 .child(
3798 h_flex()
3799 .size_full()
3800 .gap_2()
3801 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3802 .pl_0p5()
3803 .pr_5()
3804 .rounded_sm()
3805 .when(is_sticky, |el| el.shadow_md())
3806 .border_1()
3807 .map(|div| {
3808 let border_color = if is_selected
3809 && is_folded
3810 && focus_handle.contains_focused(window, cx)
3811 {
3812 colors.border_focused
3813 } else {
3814 colors.border
3815 };
3816 div.border_color(border_color)
3817 })
3818 .bg(colors.editor_subheader_background)
3819 .hover(|style| style.bg(colors.element_hover))
3820 .map(|header| {
3821 let editor = self.editor.clone();
3822 let buffer_id = for_excerpt.buffer_id;
3823 let toggle_chevron_icon =
3824 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3825 header.child(
3826 div()
3827 .hover(|style| style.bg(colors.element_selected))
3828 .rounded_xs()
3829 .child(
3830 ButtonLike::new("toggle-buffer-fold")
3831 .style(ui::ButtonStyle::Transparent)
3832 .height(px(28.).into())
3833 .width(px(28.))
3834 .children(toggle_chevron_icon)
3835 .tooltip({
3836 let focus_handle = focus_handle.clone();
3837 move |window, cx| {
3838 Tooltip::with_meta_in(
3839 "Toggle Excerpt Fold",
3840 Some(&ToggleFold),
3841 if cfg!(target_os = "macos") {
3842 "Option+click to toggle all"
3843 } else {
3844 "Alt+click to toggle all"
3845 },
3846 &focus_handle,
3847 window,
3848 cx,
3849 )
3850 }
3851 })
3852 .on_click(move |event, window, cx| {
3853 if event.modifiers().alt {
3854 // Alt+click toggles all buffers
3855 editor.update(cx, |editor, cx| {
3856 editor.toggle_fold_all(
3857 &ToggleFoldAll,
3858 window,
3859 cx,
3860 );
3861 });
3862 } else {
3863 // Regular click toggles single buffer
3864 if is_folded {
3865 editor.update(cx, |editor, cx| {
3866 editor.unfold_buffer(buffer_id, cx);
3867 });
3868 } else {
3869 editor.update(cx, |editor, cx| {
3870 editor.fold_buffer(buffer_id, cx);
3871 });
3872 }
3873 }
3874 }),
3875 ),
3876 )
3877 })
3878 .children(
3879 editor
3880 .addons
3881 .values()
3882 .filter_map(|addon| {
3883 addon.render_buffer_header_controls(for_excerpt, window, cx)
3884 })
3885 .take(1),
3886 )
3887 .child(
3888 h_flex()
3889 .size(Pixels(12.0))
3890 .justify_center()
3891 .children(indicator),
3892 )
3893 .child(
3894 h_flex()
3895 .cursor_pointer()
3896 .id("path header block")
3897 .size_full()
3898 .justify_between()
3899 .overflow_hidden()
3900 .child(
3901 h_flex()
3902 .gap_2()
3903 .map(|path_header| {
3904 let filename = filename
3905 .map(SharedString::from)
3906 .unwrap_or_else(|| "untitled".into());
3907
3908 path_header
3909 .when(ItemSettings::get_global(cx).file_icons, |el| {
3910 let path = path::Path::new(filename.as_str());
3911 let icon = FileIcons::get_icon(path, cx)
3912 .unwrap_or_default();
3913 let icon =
3914 Icon::from_path(icon).color(Color::Muted);
3915 el.child(icon)
3916 })
3917 .child(Label::new(filename).single_line().when_some(
3918 file_status,
3919 |el, status| {
3920 el.color(if status.is_conflicted() {
3921 Color::Conflict
3922 } else if status.is_modified() {
3923 Color::Modified
3924 } else if status.is_deleted() {
3925 Color::Disabled
3926 } else {
3927 Color::Created
3928 })
3929 .when(status.is_deleted(), |el| {
3930 el.strikethrough()
3931 })
3932 },
3933 ))
3934 })
3935 .when_some(parent_path, |then, path| {
3936 then.child(div().child(path).text_color(
3937 if file_status.is_some_and(FileStatus::is_deleted) {
3938 colors.text_disabled
3939 } else {
3940 colors.text_muted
3941 },
3942 ))
3943 }),
3944 )
3945 .when(
3946 can_open_excerpts && is_selected && relative_path.is_some(),
3947 |el| {
3948 el.child(
3949 h_flex()
3950 .id("jump-to-file-button")
3951 .gap_2p5()
3952 .child(Label::new("Jump To File"))
3953 .children(
3954 KeyBinding::for_action_in(
3955 &OpenExcerpts,
3956 &focus_handle,
3957 window,
3958 cx,
3959 )
3960 .map(|binding| binding.into_any_element()),
3961 ),
3962 )
3963 },
3964 )
3965 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3966 .on_click(window.listener_for(&self.editor, {
3967 move |editor, e: &ClickEvent, window, cx| {
3968 editor.open_excerpts_common(
3969 Some(jump_data.clone()),
3970 e.modifiers().secondary(),
3971 window,
3972 cx,
3973 );
3974 }
3975 })),
3976 ),
3977 );
3978
3979 let file = for_excerpt.buffer.file().cloned();
3980 let editor = self.editor.clone();
3981 right_click_menu("buffer-header-context-menu")
3982 .trigger(move |_, _, _| header)
3983 .menu(move |window, cx| {
3984 let menu_context = focus_handle.clone();
3985 let editor = editor.clone();
3986 let file = file.clone();
3987 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3988 if let Some(file) = file
3989 && let Some(project) = editor.read(cx).project()
3990 && let Some(worktree) =
3991 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3992 {
3993 let worktree = worktree.read(cx);
3994 let relative_path = file.path();
3995 let entry_for_path = worktree.entry_for_path(relative_path);
3996 let abs_path = entry_for_path.map(|e| {
3997 e.canonical_path.as_deref().map_or_else(
3998 || worktree.abs_path().join(relative_path),
3999 Path::to_path_buf,
4000 )
4001 });
4002 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4003
4004 let parent_abs_path = abs_path
4005 .as_ref()
4006 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4007 let relative_path = has_relative_path
4008 .then_some(relative_path)
4009 .map(ToOwned::to_owned);
4010
4011 let visible_in_project_panel =
4012 relative_path.is_some() && worktree.is_visible();
4013 let reveal_in_project_panel = entry_for_path
4014 .filter(|_| visible_in_project_panel)
4015 .map(|entry| entry.id);
4016 menu = menu
4017 .when_some(abs_path, |menu, abs_path| {
4018 menu.entry(
4019 "Copy Path",
4020 Some(Box::new(zed_actions::workspace::CopyPath)),
4021 window.handler_for(&editor, move |_, _, cx| {
4022 cx.write_to_clipboard(ClipboardItem::new_string(
4023 abs_path.to_string_lossy().to_string(),
4024 ));
4025 }),
4026 )
4027 })
4028 .when_some(relative_path, |menu, relative_path| {
4029 menu.entry(
4030 "Copy Relative Path",
4031 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4032 window.handler_for(&editor, move |_, _, cx| {
4033 cx.write_to_clipboard(ClipboardItem::new_string(
4034 relative_path.to_string_lossy().to_string(),
4035 ));
4036 }),
4037 )
4038 })
4039 .when(
4040 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4041 |menu| menu.separator(),
4042 )
4043 .when_some(reveal_in_project_panel, |menu, entry_id| {
4044 menu.entry(
4045 "Reveal In Project Panel",
4046 Some(Box::new(RevealInProjectPanel::default())),
4047 window.handler_for(&editor, move |editor, _, cx| {
4048 if let Some(project) = &mut editor.project {
4049 project.update(cx, |_, cx| {
4050 cx.emit(project::Event::RevealInProjectPanel(
4051 entry_id,
4052 ))
4053 });
4054 }
4055 }),
4056 )
4057 })
4058 .when_some(parent_abs_path, |menu, parent_abs_path| {
4059 menu.entry(
4060 "Open in Terminal",
4061 Some(Box::new(OpenInTerminal)),
4062 window.handler_for(&editor, move |_, window, cx| {
4063 window.dispatch_action(
4064 OpenTerminal {
4065 working_directory: parent_abs_path.clone(),
4066 }
4067 .boxed_clone(),
4068 cx,
4069 );
4070 }),
4071 )
4072 });
4073 }
4074
4075 menu.context(menu_context)
4076 })
4077 })
4078 }
4079
4080 fn render_blocks(
4081 &self,
4082 rows: Range<DisplayRow>,
4083 snapshot: &EditorSnapshot,
4084 hitbox: &Hitbox,
4085 text_hitbox: &Hitbox,
4086 editor_width: Pixels,
4087 scroll_width: &mut Pixels,
4088 editor_margins: &EditorMargins,
4089 em_width: Pixels,
4090 text_x: Pixels,
4091 line_height: Pixels,
4092 line_layouts: &mut [LineWithInvisibles],
4093 selections: &[Selection<Point>],
4094 selected_buffer_ids: &Vec<BufferId>,
4095 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4096 sticky_header_excerpt_id: Option<ExcerptId>,
4097 window: &mut Window,
4098 cx: &mut App,
4099 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4100 let (fixed_blocks, non_fixed_blocks) = snapshot
4101 .blocks_in_range(rows.clone())
4102 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4103
4104 let mut focused_block = self
4105 .editor
4106 .update(cx, |editor, _| editor.take_focused_block());
4107 let mut fixed_block_max_width = Pixels::ZERO;
4108 let mut blocks = Vec::new();
4109 let mut resized_blocks = HashMap::default();
4110 let mut row_block_types = HashMap::default();
4111
4112 for (row, block) in fixed_blocks {
4113 let block_id = block.id();
4114
4115 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4116 focused_block = None;
4117 }
4118
4119 if let Some((element, element_size, row, x_offset)) = self.render_block(
4120 block,
4121 AvailableSpace::MinContent,
4122 block_id,
4123 row,
4124 snapshot,
4125 text_x,
4126 &rows,
4127 line_layouts,
4128 editor_margins,
4129 line_height,
4130 em_width,
4131 text_hitbox,
4132 editor_width,
4133 scroll_width,
4134 &mut resized_blocks,
4135 &mut row_block_types,
4136 selections,
4137 selected_buffer_ids,
4138 is_row_soft_wrapped,
4139 sticky_header_excerpt_id,
4140 window,
4141 cx,
4142 ) {
4143 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4144 blocks.push(BlockLayout {
4145 id: block_id,
4146 x_offset,
4147 row: Some(row),
4148 element,
4149 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4150 style: BlockStyle::Fixed,
4151 overlaps_gutter: true,
4152 is_buffer_header: block.is_buffer_header(),
4153 });
4154 }
4155 }
4156
4157 for (row, block) in non_fixed_blocks {
4158 let style = block.style();
4159 let width = match (style, block.place_near()) {
4160 (_, true) => AvailableSpace::MinContent,
4161 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4162 (BlockStyle::Flex, _) => hitbox
4163 .size
4164 .width
4165 .max(fixed_block_max_width)
4166 .max(editor_margins.gutter.width + *scroll_width)
4167 .into(),
4168 (BlockStyle::Fixed, _) => unreachable!(),
4169 };
4170 let block_id = block.id();
4171
4172 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4173 focused_block = None;
4174 }
4175
4176 if let Some((element, element_size, row, x_offset)) = self.render_block(
4177 block,
4178 width,
4179 block_id,
4180 row,
4181 snapshot,
4182 text_x,
4183 &rows,
4184 line_layouts,
4185 editor_margins,
4186 line_height,
4187 em_width,
4188 text_hitbox,
4189 editor_width,
4190 scroll_width,
4191 &mut resized_blocks,
4192 &mut row_block_types,
4193 selections,
4194 selected_buffer_ids,
4195 is_row_soft_wrapped,
4196 sticky_header_excerpt_id,
4197 window,
4198 cx,
4199 ) {
4200 blocks.push(BlockLayout {
4201 id: block_id,
4202 x_offset,
4203 row: Some(row),
4204 element,
4205 available_space: size(width, element_size.height.into()),
4206 style,
4207 overlaps_gutter: !block.place_near(),
4208 is_buffer_header: block.is_buffer_header(),
4209 });
4210 }
4211 }
4212
4213 if let Some(focused_block) = focused_block
4214 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4215 && focus_handle.is_focused(window)
4216 && let Some(block) = snapshot.block_for_id(focused_block.id)
4217 {
4218 let style = block.style();
4219 let width = match style {
4220 BlockStyle::Fixed => AvailableSpace::MinContent,
4221 BlockStyle::Flex => AvailableSpace::Definite(
4222 hitbox
4223 .size
4224 .width
4225 .max(fixed_block_max_width)
4226 .max(editor_margins.gutter.width + *scroll_width),
4227 ),
4228 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4229 };
4230
4231 if let Some((element, element_size, _, x_offset)) = self.render_block(
4232 &block,
4233 width,
4234 focused_block.id,
4235 rows.end,
4236 snapshot,
4237 text_x,
4238 &rows,
4239 line_layouts,
4240 editor_margins,
4241 line_height,
4242 em_width,
4243 text_hitbox,
4244 editor_width,
4245 scroll_width,
4246 &mut resized_blocks,
4247 &mut row_block_types,
4248 selections,
4249 selected_buffer_ids,
4250 is_row_soft_wrapped,
4251 sticky_header_excerpt_id,
4252 window,
4253 cx,
4254 ) {
4255 blocks.push(BlockLayout {
4256 id: block.id(),
4257 x_offset,
4258 row: None,
4259 element,
4260 available_space: size(width, element_size.height.into()),
4261 style,
4262 overlaps_gutter: true,
4263 is_buffer_header: block.is_buffer_header(),
4264 });
4265 }
4266 }
4267
4268 if resized_blocks.is_empty() {
4269 *scroll_width =
4270 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4271 Ok((blocks, row_block_types))
4272 } else {
4273 Err(resized_blocks)
4274 }
4275 }
4276
4277 fn layout_blocks(
4278 &self,
4279 blocks: &mut Vec<BlockLayout>,
4280 hitbox: &Hitbox,
4281 line_height: Pixels,
4282 scroll_pixel_position: gpui::Point<Pixels>,
4283 window: &mut Window,
4284 cx: &mut App,
4285 ) {
4286 for block in blocks {
4287 let mut origin = if let Some(row) = block.row {
4288 hitbox.origin
4289 + point(
4290 block.x_offset,
4291 row.as_f32() * line_height - scroll_pixel_position.y,
4292 )
4293 } else {
4294 // Position the block outside the visible area
4295 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4296 };
4297
4298 if !matches!(block.style, BlockStyle::Sticky) {
4299 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4300 }
4301
4302 let focus_handle =
4303 block
4304 .element
4305 .prepaint_as_root(origin, block.available_space, window, cx);
4306
4307 if let Some(focus_handle) = focus_handle {
4308 self.editor.update(cx, |editor, _cx| {
4309 editor.set_focused_block(FocusedBlock {
4310 id: block.id,
4311 focus_handle: focus_handle.downgrade(),
4312 });
4313 });
4314 }
4315 }
4316 }
4317
4318 fn layout_sticky_buffer_header(
4319 &self,
4320 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4321 scroll_position: f32,
4322 line_height: Pixels,
4323 right_margin: Pixels,
4324 snapshot: &EditorSnapshot,
4325 hitbox: &Hitbox,
4326 selected_buffer_ids: &Vec<BufferId>,
4327 blocks: &[BlockLayout],
4328 window: &mut Window,
4329 cx: &mut App,
4330 ) -> AnyElement {
4331 let jump_data = header_jump_data(
4332 snapshot,
4333 DisplayRow(scroll_position as u32),
4334 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4335 excerpt,
4336 );
4337
4338 let editor_bg_color = cx.theme().colors().editor_background;
4339
4340 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4341
4342 let available_width = hitbox.bounds.size.width - right_margin;
4343
4344 let mut header = v_flex()
4345 .w_full()
4346 .relative()
4347 .child(
4348 div()
4349 .w(available_width)
4350 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4351 .bg(linear_gradient(
4352 0.,
4353 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4354 linear_color_stop(editor_bg_color, 0.6),
4355 ))
4356 .absolute()
4357 .top_0(),
4358 )
4359 .child(
4360 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4361 .into_any_element(),
4362 )
4363 .into_any_element();
4364
4365 let mut origin = hitbox.origin;
4366 // Move floating header up to avoid colliding with the next buffer header.
4367 for block in blocks.iter() {
4368 if !block.is_buffer_header {
4369 continue;
4370 }
4371
4372 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4373 continue;
4374 };
4375
4376 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4377 let offset = scroll_position - max_row as f32;
4378
4379 if offset > 0.0 {
4380 origin.y -= offset * line_height;
4381 }
4382 break;
4383 }
4384
4385 let size = size(
4386 AvailableSpace::Definite(available_width),
4387 AvailableSpace::MinContent,
4388 );
4389
4390 header.prepaint_as_root(origin, size, window, cx);
4391
4392 header
4393 }
4394
4395 fn layout_cursor_popovers(
4396 &self,
4397 line_height: Pixels,
4398 text_hitbox: &Hitbox,
4399 content_origin: gpui::Point<Pixels>,
4400 right_margin: Pixels,
4401 start_row: DisplayRow,
4402 scroll_pixel_position: gpui::Point<Pixels>,
4403 line_layouts: &[LineWithInvisibles],
4404 cursor: DisplayPoint,
4405 cursor_point: Point,
4406 style: &EditorStyle,
4407 window: &mut Window,
4408 cx: &mut App,
4409 ) -> Option<ContextMenuLayout> {
4410 let mut min_menu_height = Pixels::ZERO;
4411 let mut max_menu_height = Pixels::ZERO;
4412 let mut height_above_menu = Pixels::ZERO;
4413 let height_below_menu = Pixels::ZERO;
4414 let mut edit_prediction_popover_visible = false;
4415 let mut context_menu_visible = false;
4416 let context_menu_placement;
4417
4418 {
4419 let editor = self.editor.read(cx);
4420 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4421 {
4422 height_above_menu +=
4423 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4424 edit_prediction_popover_visible = true;
4425 }
4426
4427 if editor.context_menu_visible()
4428 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4429 {
4430 let (min_height_in_lines, max_height_in_lines) = editor
4431 .context_menu_options
4432 .as_ref()
4433 .map_or((3, 12), |options| {
4434 (options.min_entries_visible, options.max_entries_visible)
4435 });
4436
4437 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4438 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4439 context_menu_visible = true;
4440 }
4441 context_menu_placement = editor
4442 .context_menu_options
4443 .as_ref()
4444 .and_then(|options| options.placement.clone());
4445 }
4446
4447 let visible = edit_prediction_popover_visible || context_menu_visible;
4448 if !visible {
4449 return None;
4450 }
4451
4452 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4453 let target_position = content_origin
4454 + gpui::Point {
4455 x: cmp::max(
4456 px(0.),
4457 cursor_row_layout.x_for_index(cursor.column() as usize)
4458 - scroll_pixel_position.x,
4459 ),
4460 y: cmp::max(
4461 px(0.),
4462 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4463 ),
4464 };
4465
4466 let viewport_bounds =
4467 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4468 right: -right_margin - MENU_GAP,
4469 ..Default::default()
4470 });
4471
4472 let min_height = height_above_menu + min_menu_height + height_below_menu;
4473 let max_height = height_above_menu + max_menu_height + height_below_menu;
4474 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4475 target_position,
4476 line_height,
4477 min_height,
4478 max_height,
4479 context_menu_placement,
4480 text_hitbox,
4481 viewport_bounds,
4482 window,
4483 cx,
4484 |height, max_width_for_stable_x, y_flipped, window, cx| {
4485 // First layout the menu to get its size - others can be at least this wide.
4486 let context_menu = if context_menu_visible {
4487 let menu_height = if y_flipped {
4488 height - height_below_menu
4489 } else {
4490 height - height_above_menu
4491 };
4492 let mut element = self
4493 .render_context_menu(line_height, menu_height, window, cx)
4494 .expect("Visible context menu should always render.");
4495 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4496 Some((CursorPopoverType::CodeContextMenu, element, size))
4497 } else {
4498 None
4499 };
4500 let min_width = context_menu
4501 .as_ref()
4502 .map_or(px(0.), |(_, _, size)| size.width);
4503 let max_width = max_width_for_stable_x.max(
4504 context_menu
4505 .as_ref()
4506 .map_or(px(0.), |(_, _, size)| size.width),
4507 );
4508
4509 let edit_prediction = if edit_prediction_popover_visible {
4510 self.editor.update(cx, move |editor, cx| {
4511 let accept_binding =
4512 editor.accept_edit_prediction_keybind(false, window, cx);
4513 let mut element = editor.render_edit_prediction_cursor_popover(
4514 min_width,
4515 max_width,
4516 cursor_point,
4517 style,
4518 accept_binding.keystroke(),
4519 window,
4520 cx,
4521 )?;
4522 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4523 Some((CursorPopoverType::EditPrediction, element, size))
4524 })
4525 } else {
4526 None
4527 };
4528 vec![edit_prediction, context_menu]
4529 .into_iter()
4530 .flatten()
4531 .collect::<Vec<_>>()
4532 },
4533 )?;
4534
4535 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4536 .iter()
4537 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4538 let last_ix = laid_out_popovers.len() - 1;
4539 let menu_is_last = menu_ix == last_ix;
4540 let first_popover_bounds = laid_out_popovers[0].1;
4541 let last_popover_bounds = laid_out_popovers[last_ix].1;
4542
4543 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4544 // right, and otherwise it goes below or to the right.
4545 let mut target_bounds = Bounds::from_corners(
4546 first_popover_bounds.origin,
4547 last_popover_bounds.bottom_right(),
4548 );
4549 target_bounds.size.width = menu_bounds.size.width;
4550
4551 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4552 // based on this is preferred for layout stability.
4553 let mut max_target_bounds = target_bounds;
4554 max_target_bounds.size.height = max_height;
4555 if y_flipped {
4556 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4557 }
4558
4559 // Add spacing around `target_bounds` and `max_target_bounds`.
4560 let mut extend_amount = Edges::all(MENU_GAP);
4561 if y_flipped {
4562 extend_amount.bottom = line_height;
4563 } else {
4564 extend_amount.top = line_height;
4565 }
4566 let target_bounds = target_bounds.extend(extend_amount);
4567 let max_target_bounds = max_target_bounds.extend(extend_amount);
4568
4569 let must_place_above_or_below =
4570 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4571 laid_out_popovers[menu_ix + 1..]
4572 .iter()
4573 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4574 } else {
4575 false
4576 };
4577
4578 let aside_bounds = self.layout_context_menu_aside(
4579 y_flipped,
4580 *menu_bounds,
4581 target_bounds,
4582 max_target_bounds,
4583 max_menu_height,
4584 must_place_above_or_below,
4585 text_hitbox,
4586 viewport_bounds,
4587 window,
4588 cx,
4589 );
4590
4591 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4592 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4593 Some(*bounds)
4594 } else {
4595 None
4596 }
4597 }) {
4598 let bounds = if let Some(aside_bounds) = aside_bounds {
4599 menu_bounds.union(&aside_bounds)
4600 } else {
4601 menu_bounds
4602 };
4603 return Some(ContextMenuLayout { y_flipped, bounds });
4604 }
4605
4606 None
4607 }
4608
4609 fn layout_gutter_menu(
4610 &self,
4611 line_height: Pixels,
4612 text_hitbox: &Hitbox,
4613 content_origin: gpui::Point<Pixels>,
4614 right_margin: Pixels,
4615 scroll_pixel_position: gpui::Point<Pixels>,
4616 gutter_overshoot: Pixels,
4617 window: &mut Window,
4618 cx: &mut App,
4619 ) {
4620 let editor = self.editor.read(cx);
4621 if !editor.context_menu_visible() {
4622 return;
4623 }
4624 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4625 editor.context_menu_origin()
4626 else {
4627 return;
4628 };
4629 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4630 // indicator than just a plain first column of the text field.
4631 let target_position = content_origin
4632 + gpui::Point {
4633 x: -gutter_overshoot,
4634 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4635 };
4636
4637 let (min_height_in_lines, max_height_in_lines) = editor
4638 .context_menu_options
4639 .as_ref()
4640 .map_or((3, 12), |options| {
4641 (options.min_entries_visible, options.max_entries_visible)
4642 });
4643
4644 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4645 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4646 let viewport_bounds =
4647 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4648 right: -right_margin - MENU_GAP,
4649 ..Default::default()
4650 });
4651 self.layout_popovers_above_or_below_line(
4652 target_position,
4653 line_height,
4654 min_height,
4655 max_height,
4656 editor
4657 .context_menu_options
4658 .as_ref()
4659 .and_then(|options| options.placement.clone()),
4660 text_hitbox,
4661 viewport_bounds,
4662 window,
4663 cx,
4664 move |height, _max_width_for_stable_x, _, window, cx| {
4665 let mut element = self
4666 .render_context_menu(line_height, height, window, cx)
4667 .expect("Visible context menu should always render.");
4668 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4669 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4670 },
4671 );
4672 }
4673
4674 fn layout_popovers_above_or_below_line(
4675 &self,
4676 target_position: gpui::Point<Pixels>,
4677 line_height: Pixels,
4678 min_height: Pixels,
4679 max_height: Pixels,
4680 placement: Option<ContextMenuPlacement>,
4681 text_hitbox: &Hitbox,
4682 viewport_bounds: Bounds<Pixels>,
4683 window: &mut Window,
4684 cx: &mut App,
4685 make_sized_popovers: impl FnOnce(
4686 Pixels,
4687 Pixels,
4688 bool,
4689 &mut Window,
4690 &mut App,
4691 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4692 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4693 let text_style = TextStyleRefinement {
4694 line_height: Some(DefiniteLength::Fraction(
4695 BufferLineHeight::Comfortable.value(),
4696 )),
4697 ..Default::default()
4698 };
4699 window.with_text_style(Some(text_style), |window| {
4700 // If the max height won't fit below and there is more space above, put it above the line.
4701 let bottom_y_when_flipped = target_position.y - line_height;
4702 let available_above = bottom_y_when_flipped - text_hitbox.top();
4703 let available_below = text_hitbox.bottom() - target_position.y;
4704 let y_overflows_below = max_height > available_below;
4705 let mut y_flipped = match placement {
4706 Some(ContextMenuPlacement::Above) => true,
4707 Some(ContextMenuPlacement::Below) => false,
4708 None => y_overflows_below && available_above > available_below,
4709 };
4710 let mut height = cmp::min(
4711 max_height,
4712 if y_flipped {
4713 available_above
4714 } else {
4715 available_below
4716 },
4717 );
4718
4719 // If the min height doesn't fit within text bounds, instead fit within the window.
4720 if height < min_height {
4721 let available_above = bottom_y_when_flipped;
4722 let available_below = viewport_bounds.bottom() - target_position.y;
4723 let (y_flipped_override, height_override) = match placement {
4724 Some(ContextMenuPlacement::Above) => {
4725 (true, cmp::min(available_above, min_height))
4726 }
4727 Some(ContextMenuPlacement::Below) => {
4728 (false, cmp::min(available_below, min_height))
4729 }
4730 None => {
4731 if available_below > min_height {
4732 (false, min_height)
4733 } else if available_above > min_height {
4734 (true, min_height)
4735 } else if available_above > available_below {
4736 (true, available_above)
4737 } else {
4738 (false, available_below)
4739 }
4740 }
4741 };
4742 y_flipped = y_flipped_override;
4743 height = height_override;
4744 }
4745
4746 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4747
4748 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4749 // for very narrow windows.
4750 let popovers =
4751 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4752 if popovers.is_empty() {
4753 return None;
4754 }
4755
4756 let max_width = popovers
4757 .iter()
4758 .map(|(_, _, size)| size.width)
4759 .max()
4760 .unwrap_or_default();
4761
4762 let mut current_position = gpui::Point {
4763 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4764 // overflow. Include space for the scrollbar.
4765 x: target_position
4766 .x
4767 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4768 y: if y_flipped {
4769 bottom_y_when_flipped
4770 } else {
4771 target_position.y
4772 },
4773 };
4774
4775 let mut laid_out_popovers = popovers
4776 .into_iter()
4777 .map(|(popover_type, element, size)| {
4778 if y_flipped {
4779 current_position.y -= size.height;
4780 }
4781 let position = current_position;
4782 window.defer_draw(element, current_position, 1);
4783 if !y_flipped {
4784 current_position.y += size.height + MENU_GAP;
4785 } else {
4786 current_position.y -= MENU_GAP;
4787 }
4788 (popover_type, Bounds::new(position, size))
4789 })
4790 .collect::<Vec<_>>();
4791
4792 if y_flipped {
4793 laid_out_popovers.reverse();
4794 }
4795
4796 Some((laid_out_popovers, y_flipped))
4797 })
4798 }
4799
4800 fn layout_context_menu_aside(
4801 &self,
4802 y_flipped: bool,
4803 menu_bounds: Bounds<Pixels>,
4804 target_bounds: Bounds<Pixels>,
4805 max_target_bounds: Bounds<Pixels>,
4806 max_height: Pixels,
4807 must_place_above_or_below: bool,
4808 text_hitbox: &Hitbox,
4809 viewport_bounds: Bounds<Pixels>,
4810 window: &mut Window,
4811 cx: &mut App,
4812 ) -> Option<Bounds<Pixels>> {
4813 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4814 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4815 && !must_place_above_or_below
4816 {
4817 let max_width = cmp::min(
4818 available_within_viewport.right - px(1.),
4819 MENU_ASIDE_MAX_WIDTH,
4820 );
4821 let mut aside = self.render_context_menu_aside(
4822 size(max_width, max_height - POPOVER_Y_PADDING),
4823 window,
4824 cx,
4825 )?;
4826 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4827 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4828 Some((aside, right_position, size))
4829 } else {
4830 let max_size = size(
4831 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4832 // won't be needed here.
4833 cmp::min(
4834 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4835 viewport_bounds.right(),
4836 ),
4837 cmp::min(
4838 max_height,
4839 cmp::max(
4840 available_within_viewport.top,
4841 available_within_viewport.bottom,
4842 ),
4843 ) - POPOVER_Y_PADDING,
4844 );
4845 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4846 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4847
4848 let top_position = point(
4849 menu_bounds.origin.x,
4850 target_bounds.top() - actual_size.height,
4851 );
4852 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4853
4854 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4855 // Prefer to fit on the same side of the line as the menu, then on the other side of
4856 // the line.
4857 if !y_flipped && wanted.height < available.bottom {
4858 Some(bottom_position)
4859 } else if !y_flipped && wanted.height < available.top {
4860 Some(top_position)
4861 } else if y_flipped && wanted.height < available.top {
4862 Some(top_position)
4863 } else if y_flipped && wanted.height < available.bottom {
4864 Some(bottom_position)
4865 } else {
4866 None
4867 }
4868 };
4869
4870 // Prefer choosing a direction using max sizes rather than actual size for stability.
4871 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4872 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4873 let aside_position = fit_within(available_within_text, wanted)
4874 // Fallback: fit max size in window.
4875 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4876 // Fallback: fit actual size in window.
4877 .or_else(|| fit_within(available_within_viewport, actual_size));
4878
4879 aside_position.map(|position| (aside, position, actual_size))
4880 };
4881
4882 // Skip drawing if it doesn't fit anywhere.
4883 if let Some((aside, position, size)) = positioned_aside {
4884 let aside_bounds = Bounds::new(position, size);
4885 window.defer_draw(aside, position, 2);
4886 return Some(aside_bounds);
4887 }
4888
4889 None
4890 }
4891
4892 fn render_context_menu(
4893 &self,
4894 line_height: Pixels,
4895 height: Pixels,
4896 window: &mut Window,
4897 cx: &mut App,
4898 ) -> Option<AnyElement> {
4899 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4900 self.editor.update(cx, |editor, cx| {
4901 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4902 })
4903 }
4904
4905 fn render_context_menu_aside(
4906 &self,
4907 max_size: Size<Pixels>,
4908 window: &mut Window,
4909 cx: &mut App,
4910 ) -> Option<AnyElement> {
4911 if max_size.width < px(100.) || max_size.height < px(12.) {
4912 None
4913 } else {
4914 self.editor.update(cx, |editor, cx| {
4915 editor.render_context_menu_aside(max_size, window, cx)
4916 })
4917 }
4918 }
4919
4920 fn layout_mouse_context_menu(
4921 &self,
4922 editor_snapshot: &EditorSnapshot,
4923 visible_range: Range<DisplayRow>,
4924 content_origin: gpui::Point<Pixels>,
4925 window: &mut Window,
4926 cx: &mut App,
4927 ) -> Option<AnyElement> {
4928 let position = self.editor.update(cx, |editor, _cx| {
4929 let visible_start_point = editor.display_to_pixel_point(
4930 DisplayPoint::new(visible_range.start, 0),
4931 editor_snapshot,
4932 window,
4933 )?;
4934 let visible_end_point = editor.display_to_pixel_point(
4935 DisplayPoint::new(visible_range.end, 0),
4936 editor_snapshot,
4937 window,
4938 )?;
4939
4940 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4941 let (source_display_point, position) = match mouse_context_menu.position {
4942 MenuPosition::PinnedToScreen(point) => (None, point),
4943 MenuPosition::PinnedToEditor { source, offset } => {
4944 let source_display_point = source.to_display_point(editor_snapshot);
4945 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4946 let position = content_origin + source_point + offset;
4947 (Some(source_display_point), position)
4948 }
4949 };
4950
4951 let source_included = source_display_point.is_none_or(|source_display_point| {
4952 visible_range
4953 .to_inclusive()
4954 .contains(&source_display_point.row())
4955 });
4956 let position_included =
4957 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4958 if !source_included && !position_included {
4959 None
4960 } else {
4961 Some(position)
4962 }
4963 })?;
4964
4965 let text_style = TextStyleRefinement {
4966 line_height: Some(DefiniteLength::Fraction(
4967 BufferLineHeight::Comfortable.value(),
4968 )),
4969 ..Default::default()
4970 };
4971 window.with_text_style(Some(text_style), |window| {
4972 let mut element = self.editor.read_with(cx, |editor, _| {
4973 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4974 let context_menu = mouse_context_menu.context_menu.clone();
4975
4976 Some(
4977 deferred(
4978 anchored()
4979 .position(position)
4980 .child(context_menu)
4981 .anchor(Corner::TopLeft)
4982 .snap_to_window_with_margin(px(8.)),
4983 )
4984 .with_priority(1)
4985 .into_any(),
4986 )
4987 })?;
4988
4989 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4990 Some(element)
4991 })
4992 }
4993
4994 fn layout_hover_popovers(
4995 &self,
4996 snapshot: &EditorSnapshot,
4997 hitbox: &Hitbox,
4998 visible_display_row_range: Range<DisplayRow>,
4999 content_origin: gpui::Point<Pixels>,
5000 scroll_pixel_position: gpui::Point<Pixels>,
5001 line_layouts: &[LineWithInvisibles],
5002 line_height: Pixels,
5003 em_width: Pixels,
5004 context_menu_layout: Option<ContextMenuLayout>,
5005 window: &mut Window,
5006 cx: &mut App,
5007 ) {
5008 struct MeasuredHoverPopover {
5009 element: AnyElement,
5010 size: Size<Pixels>,
5011 horizontal_offset: Pixels,
5012 }
5013
5014 let max_size = size(
5015 (120. * em_width) // Default size
5016 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5017 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5018 (16. * line_height) // Default size
5019 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5020 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5021 );
5022
5023 let hover_popovers = self.editor.update(cx, |editor, cx| {
5024 editor.hover_state.render(
5025 snapshot,
5026 visible_display_row_range.clone(),
5027 max_size,
5028 window,
5029 cx,
5030 )
5031 });
5032 let Some((position, hover_popovers)) = hover_popovers else {
5033 return;
5034 };
5035
5036 // This is safe because we check on layout whether the required row is available
5037 let hovered_row_layout =
5038 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5039
5040 // Compute Hovered Point
5041 let x =
5042 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5043 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5044 let hovered_point = content_origin + point(x, y);
5045
5046 let mut overall_height = Pixels::ZERO;
5047 let mut measured_hover_popovers = Vec::new();
5048 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5049 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5050 let horizontal_offset =
5051 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5052 .min(Pixels::ZERO);
5053 match position {
5054 itertools::Position::Middle | itertools::Position::Last => {
5055 overall_height += HOVER_POPOVER_GAP
5056 }
5057 _ => {}
5058 }
5059 overall_height += size.height;
5060 measured_hover_popovers.push(MeasuredHoverPopover {
5061 element: hover_popover,
5062 size,
5063 horizontal_offset,
5064 });
5065 }
5066
5067 fn draw_occluder(
5068 width: Pixels,
5069 origin: gpui::Point<Pixels>,
5070 window: &mut Window,
5071 cx: &mut App,
5072 ) {
5073 let mut occlusion = div()
5074 .size_full()
5075 .occlude()
5076 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5077 .into_any_element();
5078 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5079 window.defer_draw(occlusion, origin, 2);
5080 }
5081
5082 fn place_popovers_above(
5083 hovered_point: gpui::Point<Pixels>,
5084 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5085 window: &mut Window,
5086 cx: &mut App,
5087 ) {
5088 let mut current_y = hovered_point.y;
5089 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5090 let size = popover.size;
5091 let popover_origin = point(
5092 hovered_point.x + popover.horizontal_offset,
5093 current_y - size.height,
5094 );
5095
5096 window.defer_draw(popover.element, popover_origin, 2);
5097 if position != itertools::Position::Last {
5098 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5099 draw_occluder(size.width, origin, window, cx);
5100 }
5101
5102 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5103 }
5104 }
5105
5106 fn place_popovers_below(
5107 hovered_point: gpui::Point<Pixels>,
5108 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5109 line_height: Pixels,
5110 window: &mut Window,
5111 cx: &mut App,
5112 ) {
5113 let mut current_y = hovered_point.y + line_height;
5114 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5115 let size = popover.size;
5116 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5117
5118 window.defer_draw(popover.element, popover_origin, 2);
5119 if position != itertools::Position::Last {
5120 let origin = point(popover_origin.x, popover_origin.y + size.height);
5121 draw_occluder(size.width, origin, window, cx);
5122 }
5123
5124 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5125 }
5126 }
5127
5128 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5129 context_menu_layout
5130 .as_ref()
5131 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5132 };
5133
5134 let can_place_above = {
5135 let mut bounds_above = Vec::new();
5136 let mut current_y = hovered_point.y;
5137 for popover in &measured_hover_popovers {
5138 let size = popover.size;
5139 let popover_origin = point(
5140 hovered_point.x + popover.horizontal_offset,
5141 current_y - size.height,
5142 );
5143 bounds_above.push(Bounds::new(popover_origin, size));
5144 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5145 }
5146 bounds_above
5147 .iter()
5148 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5149 };
5150
5151 let can_place_below = || {
5152 let mut bounds_below = Vec::new();
5153 let mut current_y = hovered_point.y + line_height;
5154 for popover in &measured_hover_popovers {
5155 let size = popover.size;
5156 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5157 bounds_below.push(Bounds::new(popover_origin, size));
5158 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5159 }
5160 bounds_below
5161 .iter()
5162 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5163 };
5164
5165 if can_place_above {
5166 // try placing above hovered point
5167 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5168 } else if can_place_below() {
5169 // try placing below hovered point
5170 place_popovers_below(
5171 hovered_point,
5172 measured_hover_popovers,
5173 line_height,
5174 window,
5175 cx,
5176 );
5177 } else {
5178 // try to place popovers around the context menu
5179 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5180 let total_width = measured_hover_popovers
5181 .iter()
5182 .map(|p| p.size.width)
5183 .max()
5184 .unwrap_or(Pixels::ZERO);
5185 let y_for_horizontal_positioning = if menu.y_flipped {
5186 menu.bounds.bottom() - overall_height
5187 } else {
5188 menu.bounds.top()
5189 };
5190 let possible_origins = vec![
5191 // left of context menu
5192 point(
5193 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5194 y_for_horizontal_positioning,
5195 ),
5196 // right of context menu
5197 point(
5198 menu.bounds.right() + HOVER_POPOVER_GAP,
5199 y_for_horizontal_positioning,
5200 ),
5201 // top of context menu
5202 point(
5203 menu.bounds.left(),
5204 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5205 ),
5206 // bottom of context menu
5207 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5208 ];
5209 possible_origins.into_iter().find(|&origin| {
5210 Bounds::new(origin, size(total_width, overall_height))
5211 .is_contained_within(hitbox)
5212 })
5213 });
5214 if let Some(origin) = origin_surrounding_menu {
5215 let mut current_y = origin.y;
5216 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5217 let size = popover.size;
5218 let popover_origin = point(origin.x, current_y);
5219
5220 window.defer_draw(popover.element, popover_origin, 2);
5221 if position != itertools::Position::Last {
5222 let origin = point(popover_origin.x, popover_origin.y + size.height);
5223 draw_occluder(size.width, origin, window, cx);
5224 }
5225
5226 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5227 }
5228 } else {
5229 // fallback to existing above/below cursor logic
5230 // this might overlap menu or overflow in rare case
5231 if can_place_above {
5232 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5233 } else {
5234 place_popovers_below(
5235 hovered_point,
5236 measured_hover_popovers,
5237 line_height,
5238 window,
5239 cx,
5240 );
5241 }
5242 }
5243 }
5244 }
5245
5246 fn layout_diff_hunk_controls(
5247 &self,
5248 row_range: Range<DisplayRow>,
5249 row_infos: &[RowInfo],
5250 text_hitbox: &Hitbox,
5251 newest_cursor_position: Option<DisplayPoint>,
5252 line_height: Pixels,
5253 right_margin: Pixels,
5254 scroll_pixel_position: gpui::Point<Pixels>,
5255 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5256 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5257 editor: Entity<Editor>,
5258 window: &mut Window,
5259 cx: &mut App,
5260 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5261 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5262 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5263
5264 let mut controls = vec![];
5265 let mut control_bounds = vec![];
5266
5267 let active_positions = [
5268 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5269 newest_cursor_position,
5270 ];
5271
5272 for (hunk, _) in display_hunks {
5273 if let DisplayDiffHunk::Unfolded {
5274 display_row_range,
5275 multi_buffer_range,
5276 status,
5277 is_created_file,
5278 ..
5279 } = &hunk
5280 {
5281 if display_row_range.start < row_range.start
5282 || display_row_range.start >= row_range.end
5283 {
5284 continue;
5285 }
5286 if highlighted_rows
5287 .get(&display_row_range.start)
5288 .and_then(|highlight| highlight.type_id)
5289 .is_some_and(|type_id| {
5290 [
5291 TypeId::of::<ConflictsOuter>(),
5292 TypeId::of::<ConflictsOursMarker>(),
5293 TypeId::of::<ConflictsOurs>(),
5294 TypeId::of::<ConflictsTheirs>(),
5295 TypeId::of::<ConflictsTheirsMarker>(),
5296 ]
5297 .contains(&type_id)
5298 })
5299 {
5300 continue;
5301 }
5302 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5303 if row_infos[row_ix].diff_status.is_none() {
5304 continue;
5305 }
5306 if row_infos[row_ix]
5307 .diff_status
5308 .is_some_and(|status| status.is_added())
5309 && !status.is_added()
5310 {
5311 continue;
5312 }
5313
5314 if active_positions
5315 .iter()
5316 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5317 {
5318 let y = display_row_range.start.as_f32() * line_height
5319 + text_hitbox.bounds.top()
5320 - scroll_pixel_position.y;
5321
5322 let mut element = render_diff_hunk_controls(
5323 display_row_range.start.0,
5324 status,
5325 multi_buffer_range.clone(),
5326 *is_created_file,
5327 line_height,
5328 &editor,
5329 window,
5330 cx,
5331 );
5332 let size =
5333 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5334
5335 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5336
5337 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5338 control_bounds.push((display_row_range.start, bounds));
5339
5340 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5341 element.prepaint(window, cx)
5342 });
5343 controls.push(element);
5344 }
5345 }
5346 }
5347
5348 (controls, control_bounds)
5349 }
5350
5351 fn layout_signature_help(
5352 &self,
5353 hitbox: &Hitbox,
5354 content_origin: gpui::Point<Pixels>,
5355 scroll_pixel_position: gpui::Point<Pixels>,
5356 newest_selection_head: Option<DisplayPoint>,
5357 start_row: DisplayRow,
5358 line_layouts: &[LineWithInvisibles],
5359 line_height: Pixels,
5360 em_width: Pixels,
5361 context_menu_layout: Option<ContextMenuLayout>,
5362 window: &mut Window,
5363 cx: &mut App,
5364 ) {
5365 if !self.editor.focus_handle(cx).is_focused(window) {
5366 return;
5367 }
5368 let Some(newest_selection_head) = newest_selection_head else {
5369 return;
5370 };
5371
5372 let max_size = size(
5373 (120. * em_width) // Default size
5374 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5375 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5376 (16. * line_height) // Default size
5377 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5378 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5379 );
5380
5381 let maybe_element = self.editor.update(cx, |editor, cx| {
5382 if let Some(popover) = editor.signature_help_state.popover_mut() {
5383 let element = popover.render(max_size, window, cx);
5384 Some(element)
5385 } else {
5386 None
5387 }
5388 });
5389 let Some(mut element) = maybe_element else {
5390 return;
5391 };
5392
5393 let selection_row = newest_selection_head.row();
5394 let Some(cursor_row_layout) = (selection_row >= start_row)
5395 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5396 .flatten()
5397 else {
5398 return;
5399 };
5400
5401 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5402 - scroll_pixel_position.x;
5403 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5404 let target_point = content_origin + point(target_x, target_y);
5405
5406 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5407
5408 let (popover_bounds_above, popover_bounds_below) = {
5409 let horizontal_offset = (hitbox.top_right().x
5410 - POPOVER_RIGHT_OFFSET
5411 - (target_point.x + actual_size.width))
5412 .min(Pixels::ZERO);
5413 let initial_x = target_point.x + horizontal_offset;
5414 (
5415 Bounds::new(
5416 point(initial_x, target_point.y - actual_size.height),
5417 actual_size,
5418 ),
5419 Bounds::new(
5420 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5421 actual_size,
5422 ),
5423 )
5424 };
5425
5426 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5427 context_menu_layout
5428 .as_ref()
5429 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5430 };
5431
5432 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5433 && !intersects_menu(popover_bounds_above)
5434 {
5435 // try placing above cursor
5436 popover_bounds_above.origin
5437 } else if popover_bounds_below.is_contained_within(hitbox)
5438 && !intersects_menu(popover_bounds_below)
5439 {
5440 // try placing below cursor
5441 popover_bounds_below.origin
5442 } else {
5443 // try surrounding context menu if exists
5444 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5445 let y_for_horizontal_positioning = if menu.y_flipped {
5446 menu.bounds.bottom() - actual_size.height
5447 } else {
5448 menu.bounds.top()
5449 };
5450 let possible_origins = vec![
5451 // left of context menu
5452 point(
5453 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5454 y_for_horizontal_positioning,
5455 ),
5456 // right of context menu
5457 point(
5458 menu.bounds.right() + HOVER_POPOVER_GAP,
5459 y_for_horizontal_positioning,
5460 ),
5461 // top of context menu
5462 point(
5463 menu.bounds.left(),
5464 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5465 ),
5466 // bottom of context menu
5467 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5468 ];
5469 possible_origins
5470 .into_iter()
5471 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5472 });
5473 origin_surrounding_menu.unwrap_or_else(|| {
5474 // fallback to existing above/below cursor logic
5475 // this might overlap menu or overflow in rare case
5476 if popover_bounds_above.is_contained_within(hitbox) {
5477 popover_bounds_above.origin
5478 } else {
5479 popover_bounds_below.origin
5480 }
5481 })
5482 };
5483
5484 window.defer_draw(element, final_origin, 2);
5485 }
5486
5487 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5488 window.paint_layer(layout.hitbox.bounds, |window| {
5489 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5490 let gutter_bg = cx.theme().colors().editor_gutter_background;
5491 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5492 window.paint_quad(fill(
5493 layout.position_map.text_hitbox.bounds,
5494 self.style.background,
5495 ));
5496
5497 if matches!(
5498 layout.mode,
5499 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5500 ) {
5501 let show_active_line_background = match layout.mode {
5502 EditorMode::Full {
5503 show_active_line_background,
5504 ..
5505 } => show_active_line_background,
5506 EditorMode::Minimap { .. } => true,
5507 _ => false,
5508 };
5509 let mut active_rows = layout.active_rows.iter().peekable();
5510 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5511 let mut end_row = start_row.0;
5512 while active_rows
5513 .peek()
5514 .is_some_and(|(active_row, has_selection)| {
5515 active_row.0 == end_row + 1
5516 && has_selection.selection == contains_non_empty_selection.selection
5517 })
5518 {
5519 active_rows.next().unwrap();
5520 end_row += 1;
5521 }
5522
5523 if show_active_line_background && !contains_non_empty_selection.selection {
5524 let highlight_h_range =
5525 match layout.position_map.snapshot.current_line_highlight {
5526 CurrentLineHighlight::Gutter => Some(Range {
5527 start: layout.hitbox.left(),
5528 end: layout.gutter_hitbox.right(),
5529 }),
5530 CurrentLineHighlight::Line => Some(Range {
5531 start: layout.position_map.text_hitbox.bounds.left(),
5532 end: layout.position_map.text_hitbox.bounds.right(),
5533 }),
5534 CurrentLineHighlight::All => Some(Range {
5535 start: layout.hitbox.left(),
5536 end: layout.hitbox.right(),
5537 }),
5538 CurrentLineHighlight::None => None,
5539 };
5540 if let Some(range) = highlight_h_range {
5541 let active_line_bg = cx.theme().colors().editor_active_line_background;
5542 let bounds = Bounds {
5543 origin: point(
5544 range.start,
5545 layout.hitbox.origin.y
5546 + (start_row.as_f32() - scroll_top)
5547 * layout.position_map.line_height,
5548 ),
5549 size: size(
5550 range.end - range.start,
5551 layout.position_map.line_height
5552 * (end_row - start_row.0 + 1) as f32,
5553 ),
5554 };
5555 window.paint_quad(fill(bounds, active_line_bg));
5556 }
5557 }
5558 }
5559
5560 let mut paint_highlight = |highlight_row_start: DisplayRow,
5561 highlight_row_end: DisplayRow,
5562 highlight: crate::LineHighlight,
5563 edges| {
5564 let mut origin_x = layout.hitbox.left();
5565 let mut width = layout.hitbox.size.width;
5566 if !highlight.include_gutter {
5567 origin_x += layout.gutter_hitbox.size.width;
5568 width -= layout.gutter_hitbox.size.width;
5569 }
5570
5571 let origin = point(
5572 origin_x,
5573 layout.hitbox.origin.y
5574 + (highlight_row_start.as_f32() - scroll_top)
5575 * layout.position_map.line_height,
5576 );
5577 let size = size(
5578 width,
5579 layout.position_map.line_height
5580 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5581 );
5582 let mut quad = fill(Bounds { origin, size }, highlight.background);
5583 if let Some(border_color) = highlight.border {
5584 quad.border_color = border_color;
5585 quad.border_widths = edges
5586 }
5587 window.paint_quad(quad);
5588 };
5589
5590 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5591 None;
5592 for (&new_row, &new_background) in &layout.highlighted_rows {
5593 match &mut current_paint {
5594 &mut Some((current_background, ref mut current_range, mut edges)) => {
5595 let new_range_started = current_background != new_background
5596 || current_range.end.next_row() != new_row;
5597 if new_range_started {
5598 if current_range.end.next_row() == new_row {
5599 edges.bottom = px(0.);
5600 };
5601 paint_highlight(
5602 current_range.start,
5603 current_range.end,
5604 current_background,
5605 edges,
5606 );
5607 let edges = Edges {
5608 top: if current_range.end.next_row() != new_row {
5609 px(1.)
5610 } else {
5611 px(0.)
5612 },
5613 bottom: px(1.),
5614 ..Default::default()
5615 };
5616 current_paint = Some((new_background, new_row..new_row, edges));
5617 continue;
5618 } else {
5619 current_range.end = current_range.end.next_row();
5620 }
5621 }
5622 None => {
5623 let edges = Edges {
5624 top: px(1.),
5625 bottom: px(1.),
5626 ..Default::default()
5627 };
5628 current_paint = Some((new_background, new_row..new_row, edges))
5629 }
5630 };
5631 }
5632 if let Some((color, range, edges)) = current_paint {
5633 paint_highlight(range.start, range.end, color, edges);
5634 }
5635
5636 for (guide_x, active) in layout.wrap_guides.iter() {
5637 let color = if *active {
5638 cx.theme().colors().editor_active_wrap_guide
5639 } else {
5640 cx.theme().colors().editor_wrap_guide
5641 };
5642 window.paint_quad(fill(
5643 Bounds {
5644 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5645 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5646 },
5647 color,
5648 ));
5649 }
5650 }
5651 })
5652 }
5653
5654 fn paint_indent_guides(
5655 &mut self,
5656 layout: &mut EditorLayout,
5657 window: &mut Window,
5658 cx: &mut App,
5659 ) {
5660 let Some(indent_guides) = &layout.indent_guides else {
5661 return;
5662 };
5663
5664 let faded_color = |color: Hsla, alpha: f32| {
5665 let mut faded = color;
5666 faded.a = alpha;
5667 faded
5668 };
5669
5670 for indent_guide in indent_guides {
5671 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5672 let settings = &indent_guide.settings;
5673
5674 // TODO fixed for now, expose them through themes later
5675 const INDENT_AWARE_ALPHA: f32 = 0.2;
5676 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5677 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5678 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5679
5680 let line_color = match (settings.coloring, indent_guide.active) {
5681 (IndentGuideColoring::Disabled, _) => None,
5682 (IndentGuideColoring::Fixed, false) => {
5683 Some(cx.theme().colors().editor_indent_guide)
5684 }
5685 (IndentGuideColoring::Fixed, true) => {
5686 Some(cx.theme().colors().editor_indent_guide_active)
5687 }
5688 (IndentGuideColoring::IndentAware, false) => {
5689 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5690 }
5691 (IndentGuideColoring::IndentAware, true) => {
5692 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5693 }
5694 };
5695
5696 let background_color = match (settings.background_coloring, indent_guide.active) {
5697 (IndentGuideBackgroundColoring::Disabled, _) => None,
5698 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5699 indent_accent_colors,
5700 INDENT_AWARE_BACKGROUND_ALPHA,
5701 )),
5702 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5703 indent_accent_colors,
5704 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5705 )),
5706 };
5707
5708 let requested_line_width = if indent_guide.active {
5709 settings.active_line_width
5710 } else {
5711 settings.line_width
5712 }
5713 .clamp(1, 10);
5714 let mut line_indicator_width = 0.;
5715 if let Some(color) = line_color {
5716 window.paint_quad(fill(
5717 Bounds {
5718 origin: indent_guide.origin,
5719 size: size(px(requested_line_width as f32), indent_guide.length),
5720 },
5721 color,
5722 ));
5723 line_indicator_width = requested_line_width as f32;
5724 }
5725
5726 if let Some(color) = background_color {
5727 let width = indent_guide.single_indent_width - px(line_indicator_width);
5728 window.paint_quad(fill(
5729 Bounds {
5730 origin: point(
5731 indent_guide.origin.x + px(line_indicator_width),
5732 indent_guide.origin.y,
5733 ),
5734 size: size(width, indent_guide.length),
5735 },
5736 color,
5737 ));
5738 }
5739 }
5740 }
5741
5742 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5743 let is_singleton = self.editor.read(cx).is_singleton(cx);
5744
5745 let line_height = layout.position_map.line_height;
5746 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5747
5748 for LineNumberLayout {
5749 shaped_line,
5750 hitbox,
5751 } in layout.line_numbers.values()
5752 {
5753 let Some(hitbox) = hitbox else {
5754 continue;
5755 };
5756
5757 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5758 let color = cx.theme().colors().editor_hover_line_number;
5759
5760 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5761 line.paint(hitbox.origin, line_height, window, cx).log_err()
5762 } else {
5763 shaped_line
5764 .paint(hitbox.origin, line_height, window, cx)
5765 .log_err()
5766 }) else {
5767 continue;
5768 };
5769
5770 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5771 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5772 if is_singleton {
5773 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5774 } else {
5775 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5776 }
5777 }
5778 }
5779
5780 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5781 if layout.display_hunks.is_empty() {
5782 return;
5783 }
5784
5785 let line_height = layout.position_map.line_height;
5786 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5787 for (hunk, hitbox) in &layout.display_hunks {
5788 let hunk_to_paint = match hunk {
5789 DisplayDiffHunk::Folded { .. } => {
5790 let hunk_bounds = Self::diff_hunk_bounds(
5791 &layout.position_map.snapshot,
5792 line_height,
5793 layout.gutter_hitbox.bounds,
5794 hunk,
5795 );
5796 Some((
5797 hunk_bounds,
5798 cx.theme().colors().version_control_modified,
5799 Corners::all(px(0.)),
5800 DiffHunkStatus::modified_none(),
5801 ))
5802 }
5803 DisplayDiffHunk::Unfolded {
5804 status,
5805 display_row_range,
5806 ..
5807 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5808 DiffHunkStatusKind::Added => (
5809 hunk_hitbox.bounds,
5810 cx.theme().colors().version_control_added,
5811 Corners::all(px(0.)),
5812 *status,
5813 ),
5814 DiffHunkStatusKind::Modified => (
5815 hunk_hitbox.bounds,
5816 cx.theme().colors().version_control_modified,
5817 Corners::all(px(0.)),
5818 *status,
5819 ),
5820 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5821 hunk_hitbox.bounds,
5822 cx.theme().colors().version_control_deleted,
5823 Corners::all(px(0.)),
5824 *status,
5825 ),
5826 DiffHunkStatusKind::Deleted => (
5827 Bounds::new(
5828 point(
5829 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5830 hunk_hitbox.origin.y,
5831 ),
5832 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5833 ),
5834 cx.theme().colors().version_control_deleted,
5835 Corners::all(1. * line_height),
5836 *status,
5837 ),
5838 }),
5839 };
5840
5841 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5842 // Flatten the background color with the editor color to prevent
5843 // elements below transparent hunks from showing through
5844 let flattened_background_color = cx
5845 .theme()
5846 .colors()
5847 .editor_background
5848 .blend(background_color);
5849
5850 if !Self::diff_hunk_hollow(status, cx) {
5851 window.paint_quad(quad(
5852 hunk_bounds,
5853 corner_radii,
5854 flattened_background_color,
5855 Edges::default(),
5856 transparent_black(),
5857 BorderStyle::default(),
5858 ));
5859 } else {
5860 let flattened_unstaged_background_color = cx
5861 .theme()
5862 .colors()
5863 .editor_background
5864 .blend(background_color.opacity(0.3));
5865
5866 window.paint_quad(quad(
5867 hunk_bounds,
5868 corner_radii,
5869 flattened_unstaged_background_color,
5870 Edges::all(Pixels(1.0)),
5871 flattened_background_color,
5872 BorderStyle::Solid,
5873 ));
5874 }
5875 }
5876 }
5877 });
5878 }
5879
5880 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5881 (0.275 * line_height).floor()
5882 }
5883
5884 fn diff_hunk_bounds(
5885 snapshot: &EditorSnapshot,
5886 line_height: Pixels,
5887 gutter_bounds: Bounds<Pixels>,
5888 hunk: &DisplayDiffHunk,
5889 ) -> Bounds<Pixels> {
5890 let scroll_position = snapshot.scroll_position();
5891 let scroll_top = scroll_position.y * line_height;
5892 let gutter_strip_width = Self::gutter_strip_width(line_height);
5893
5894 match hunk {
5895 DisplayDiffHunk::Folded { display_row, .. } => {
5896 let start_y = display_row.as_f32() * line_height - scroll_top;
5897 let end_y = start_y + line_height;
5898 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5899 let highlight_size = size(gutter_strip_width, end_y - start_y);
5900 Bounds::new(highlight_origin, highlight_size)
5901 }
5902 DisplayDiffHunk::Unfolded {
5903 display_row_range,
5904 status,
5905 ..
5906 } => {
5907 if status.is_deleted() && display_row_range.is_empty() {
5908 let row = display_row_range.start;
5909
5910 let offset = line_height / 2.;
5911 let start_y = row.as_f32() * line_height - offset - scroll_top;
5912 let end_y = start_y + line_height;
5913
5914 let width = (0.35 * line_height).floor();
5915 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5916 let highlight_size = size(width, end_y - start_y);
5917 Bounds::new(highlight_origin, highlight_size)
5918 } else {
5919 let start_row = display_row_range.start;
5920 let end_row = display_row_range.end;
5921 // If we're in a multibuffer, row range span might include an
5922 // excerpt header, so if we were to draw the marker straight away,
5923 // the hunk might include the rows of that header.
5924 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5925 // Instead, we simply check whether the range we're dealing with includes
5926 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5927 let end_row_in_current_excerpt = snapshot
5928 .blocks_in_range(start_row..end_row)
5929 .find_map(|(start_row, block)| {
5930 if matches!(
5931 block,
5932 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5933 ) {
5934 Some(start_row)
5935 } else {
5936 None
5937 }
5938 })
5939 .unwrap_or(end_row);
5940
5941 let start_y = start_row.as_f32() * line_height - scroll_top;
5942 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5943
5944 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5945 let highlight_size = size(gutter_strip_width, end_y - start_y);
5946 Bounds::new(highlight_origin, highlight_size)
5947 }
5948 }
5949 }
5950 }
5951
5952 fn paint_gutter_indicators(
5953 &self,
5954 layout: &mut EditorLayout,
5955 window: &mut Window,
5956 cx: &mut App,
5957 ) {
5958 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5959 window.with_element_namespace("crease_toggles", |window| {
5960 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5961 crease_toggle.paint(window, cx);
5962 }
5963 });
5964
5965 window.with_element_namespace("expand_toggles", |window| {
5966 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5967 expand_toggle.paint(window, cx);
5968 }
5969 });
5970
5971 for breakpoint in layout.breakpoints.iter_mut() {
5972 breakpoint.paint(window, cx);
5973 }
5974
5975 for test_indicator in layout.test_indicators.iter_mut() {
5976 test_indicator.paint(window, cx);
5977 }
5978 });
5979 }
5980
5981 fn paint_gutter_highlights(
5982 &self,
5983 layout: &mut EditorLayout,
5984 window: &mut Window,
5985 cx: &mut App,
5986 ) {
5987 for (_, hunk_hitbox) in &layout.display_hunks {
5988 if let Some(hunk_hitbox) = hunk_hitbox
5989 && !self
5990 .editor
5991 .read(cx)
5992 .buffer()
5993 .read(cx)
5994 .all_diff_hunks_expanded()
5995 {
5996 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5997 }
5998 }
5999
6000 let show_git_gutter = layout
6001 .position_map
6002 .snapshot
6003 .show_git_diff_gutter
6004 .unwrap_or_else(|| {
6005 matches!(
6006 ProjectSettings::get_global(cx).git.git_gutter,
6007 GitGutterSetting::TrackedFiles
6008 )
6009 });
6010 if show_git_gutter {
6011 Self::paint_gutter_diff_hunks(layout, window, cx)
6012 }
6013
6014 let highlight_width = 0.275 * layout.position_map.line_height;
6015 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6016 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6017 for (range, color) in &layout.highlighted_gutter_ranges {
6018 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6019 layout.visible_display_row_range.start - DisplayRow(1)
6020 } else {
6021 range.start.row()
6022 };
6023 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6024 layout.visible_display_row_range.end + DisplayRow(1)
6025 } else {
6026 range.end.row()
6027 };
6028
6029 let start_y = layout.gutter_hitbox.top()
6030 + start_row.0 as f32 * layout.position_map.line_height
6031 - layout.position_map.scroll_pixel_position.y;
6032 let end_y = layout.gutter_hitbox.top()
6033 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6034 - layout.position_map.scroll_pixel_position.y;
6035 let bounds = Bounds::from_corners(
6036 point(layout.gutter_hitbox.left(), start_y),
6037 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6038 );
6039 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6040 }
6041 });
6042 }
6043
6044 fn paint_blamed_display_rows(
6045 &self,
6046 layout: &mut EditorLayout,
6047 window: &mut Window,
6048 cx: &mut App,
6049 ) {
6050 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6051 return;
6052 };
6053
6054 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6055 for mut blame_element in blamed_display_rows.into_iter() {
6056 blame_element.paint(window, cx);
6057 }
6058 })
6059 }
6060
6061 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6062 window.with_content_mask(
6063 Some(ContentMask {
6064 bounds: layout.position_map.text_hitbox.bounds,
6065 }),
6066 |window| {
6067 let editor = self.editor.read(cx);
6068 if editor.mouse_cursor_hidden {
6069 window.set_window_cursor_style(CursorStyle::None);
6070 } else if let SelectionDragState::ReadyToDrag {
6071 mouse_down_time, ..
6072 } = &editor.selection_drag_state
6073 {
6074 let drag_and_drop_delay = Duration::from_millis(
6075 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6076 );
6077 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6078 window.set_cursor_style(
6079 CursorStyle::DragCopy,
6080 &layout.position_map.text_hitbox,
6081 );
6082 }
6083 } else if matches!(
6084 editor.selection_drag_state,
6085 SelectionDragState::Dragging { .. }
6086 ) {
6087 window
6088 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6089 } else if editor
6090 .hovered_link_state
6091 .as_ref()
6092 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6093 {
6094 window.set_cursor_style(
6095 CursorStyle::PointingHand,
6096 &layout.position_map.text_hitbox,
6097 );
6098 } else {
6099 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6100 };
6101
6102 self.paint_lines_background(layout, window, cx);
6103 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6104 self.paint_document_colors(layout, window);
6105 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6106 self.paint_redactions(layout, window);
6107 self.paint_cursors(layout, window, cx);
6108 self.paint_inline_diagnostics(layout, window, cx);
6109 self.paint_inline_blame(layout, window, cx);
6110 self.paint_inline_code_actions(layout, window, cx);
6111 self.paint_diff_hunk_controls(layout, window, cx);
6112 window.with_element_namespace("crease_trailers", |window| {
6113 for trailer in layout.crease_trailers.iter_mut().flatten() {
6114 trailer.element.paint(window, cx);
6115 }
6116 });
6117 },
6118 )
6119 }
6120
6121 fn paint_highlights(
6122 &mut self,
6123 layout: &mut EditorLayout,
6124 window: &mut Window,
6125 cx: &mut App,
6126 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6127 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6128 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6129 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6130 for (range, color) in &layout.highlighted_ranges {
6131 self.paint_highlighted_range(
6132 range.clone(),
6133 true,
6134 *color,
6135 Pixels::ZERO,
6136 line_end_overshoot,
6137 layout,
6138 window,
6139 );
6140 }
6141
6142 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6143 0.15 * layout.position_map.line_height
6144 } else {
6145 Pixels::ZERO
6146 };
6147
6148 for (player_color, selections) in &layout.selections {
6149 for selection in selections.iter() {
6150 self.paint_highlighted_range(
6151 selection.range.clone(),
6152 true,
6153 player_color.selection,
6154 corner_radius,
6155 corner_radius * 2.,
6156 layout,
6157 window,
6158 );
6159
6160 if selection.is_local && !selection.range.is_empty() {
6161 invisible_display_ranges.push(selection.range.clone());
6162 }
6163 }
6164 }
6165 invisible_display_ranges
6166 })
6167 }
6168
6169 fn paint_lines(
6170 &mut self,
6171 invisible_display_ranges: &[Range<DisplayPoint>],
6172 layout: &mut EditorLayout,
6173 window: &mut Window,
6174 cx: &mut App,
6175 ) {
6176 let whitespace_setting = self
6177 .editor
6178 .read(cx)
6179 .buffer
6180 .read(cx)
6181 .language_settings(cx)
6182 .show_whitespaces;
6183
6184 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6185 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6186 line_with_invisibles.draw(
6187 layout,
6188 row,
6189 layout.content_origin,
6190 whitespace_setting,
6191 invisible_display_ranges,
6192 window,
6193 cx,
6194 )
6195 }
6196
6197 for line_element in &mut layout.line_elements {
6198 line_element.paint(window, cx);
6199 }
6200 }
6201
6202 fn paint_lines_background(
6203 &mut self,
6204 layout: &mut EditorLayout,
6205 window: &mut Window,
6206 cx: &mut App,
6207 ) {
6208 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6209 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6210 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6211 }
6212 }
6213
6214 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6215 if layout.redacted_ranges.is_empty() {
6216 return;
6217 }
6218
6219 let line_end_overshoot = layout.line_end_overshoot();
6220
6221 // A softer than perfect black
6222 let redaction_color = gpui::rgb(0x0e1111);
6223
6224 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6225 for range in layout.redacted_ranges.iter() {
6226 self.paint_highlighted_range(
6227 range.clone(),
6228 true,
6229 redaction_color.into(),
6230 Pixels::ZERO,
6231 line_end_overshoot,
6232 layout,
6233 window,
6234 );
6235 }
6236 });
6237 }
6238
6239 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6240 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6241 return;
6242 };
6243 if image_colors.is_empty()
6244 || colors_render_mode == &DocumentColorsRenderMode::None
6245 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6246 {
6247 return;
6248 }
6249
6250 let line_end_overshoot = layout.line_end_overshoot();
6251
6252 for (range, color) in image_colors {
6253 match colors_render_mode {
6254 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6255 DocumentColorsRenderMode::Background => {
6256 self.paint_highlighted_range(
6257 range.clone(),
6258 true,
6259 *color,
6260 Pixels::ZERO,
6261 line_end_overshoot,
6262 layout,
6263 window,
6264 );
6265 }
6266 DocumentColorsRenderMode::Border => {
6267 self.paint_highlighted_range(
6268 range.clone(),
6269 false,
6270 *color,
6271 Pixels::ZERO,
6272 line_end_overshoot,
6273 layout,
6274 window,
6275 );
6276 }
6277 }
6278 }
6279 }
6280
6281 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6282 for cursor in &mut layout.visible_cursors {
6283 cursor.paint(layout.content_origin, window, cx);
6284 }
6285 }
6286
6287 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6288 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6289 return;
6290 };
6291 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6292
6293 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6294 let hitbox = &scrollbar_layout.hitbox;
6295 if scrollbars_layout.visible {
6296 let scrollbar_edges = match axis {
6297 ScrollbarAxis::Horizontal => Edges {
6298 top: Pixels::ZERO,
6299 right: Pixels::ZERO,
6300 bottom: Pixels::ZERO,
6301 left: Pixels::ZERO,
6302 },
6303 ScrollbarAxis::Vertical => Edges {
6304 top: Pixels::ZERO,
6305 right: Pixels::ZERO,
6306 bottom: Pixels::ZERO,
6307 left: ScrollbarLayout::BORDER_WIDTH,
6308 },
6309 };
6310
6311 window.paint_layer(hitbox.bounds, |window| {
6312 window.paint_quad(quad(
6313 hitbox.bounds,
6314 Corners::default(),
6315 cx.theme().colors().scrollbar_track_background,
6316 scrollbar_edges,
6317 cx.theme().colors().scrollbar_track_border,
6318 BorderStyle::Solid,
6319 ));
6320
6321 if axis == ScrollbarAxis::Vertical {
6322 let fast_markers =
6323 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6324 // Refresh slow scrollbar markers in the background. Below, we
6325 // paint whatever markers have already been computed.
6326 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6327
6328 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6329 for marker in markers.iter().chain(&fast_markers) {
6330 let mut marker = marker.clone();
6331 marker.bounds.origin += hitbox.origin;
6332 window.paint_quad(marker);
6333 }
6334 }
6335
6336 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6337 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6338 ScrollbarThumbState::Dragging => {
6339 cx.theme().colors().scrollbar_thumb_active_background
6340 }
6341 ScrollbarThumbState::Hovered => {
6342 cx.theme().colors().scrollbar_thumb_hover_background
6343 }
6344 ScrollbarThumbState::Idle => {
6345 cx.theme().colors().scrollbar_thumb_background
6346 }
6347 };
6348 window.paint_quad(quad(
6349 thumb_bounds,
6350 Corners::default(),
6351 scrollbar_thumb_color,
6352 scrollbar_edges,
6353 cx.theme().colors().scrollbar_thumb_border,
6354 BorderStyle::Solid,
6355 ));
6356
6357 if any_scrollbar_dragged {
6358 window.set_window_cursor_style(CursorStyle::Arrow);
6359 } else {
6360 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6361 }
6362 }
6363 })
6364 }
6365 }
6366
6367 window.on_mouse_event({
6368 let editor = self.editor.clone();
6369 let scrollbars_layout = scrollbars_layout.clone();
6370
6371 let mut mouse_position = window.mouse_position();
6372 move |event: &MouseMoveEvent, phase, window, cx| {
6373 if phase == DispatchPhase::Capture {
6374 return;
6375 }
6376
6377 editor.update(cx, |editor, cx| {
6378 if let Some((scrollbar_layout, axis)) = event
6379 .pressed_button
6380 .filter(|button| *button == MouseButton::Left)
6381 .and(editor.scroll_manager.dragging_scrollbar_axis())
6382 .and_then(|axis| {
6383 scrollbars_layout
6384 .iter_scrollbars()
6385 .find(|(_, a)| *a == axis)
6386 })
6387 {
6388 let ScrollbarLayout {
6389 hitbox,
6390 text_unit_size,
6391 ..
6392 } = scrollbar_layout;
6393
6394 let old_position = mouse_position.along(axis);
6395 let new_position = event.position.along(axis);
6396 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6397 .contains(&old_position)
6398 {
6399 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6400 (p + (new_position - old_position) / *text_unit_size).max(0.)
6401 });
6402 editor.set_scroll_position(position, window, cx);
6403 }
6404
6405 editor.scroll_manager.show_scrollbars(window, cx);
6406 cx.stop_propagation();
6407 } else if let Some((layout, axis)) = scrollbars_layout
6408 .get_hovered_axis(window)
6409 .filter(|_| !event.dragging())
6410 {
6411 if layout.thumb_hovered(&event.position) {
6412 editor
6413 .scroll_manager
6414 .set_hovered_scroll_thumb_axis(axis, cx);
6415 } else {
6416 editor.scroll_manager.reset_scrollbar_state(cx);
6417 }
6418
6419 editor.scroll_manager.show_scrollbars(window, cx);
6420 } else {
6421 editor.scroll_manager.reset_scrollbar_state(cx);
6422 }
6423
6424 mouse_position = event.position;
6425 })
6426 }
6427 });
6428
6429 if any_scrollbar_dragged {
6430 window.on_mouse_event({
6431 let editor = self.editor.clone();
6432 move |_: &MouseUpEvent, phase, window, cx| {
6433 if phase == DispatchPhase::Capture {
6434 return;
6435 }
6436
6437 editor.update(cx, |editor, cx| {
6438 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6439 editor
6440 .scroll_manager
6441 .set_hovered_scroll_thumb_axis(axis, cx);
6442 } else {
6443 editor.scroll_manager.reset_scrollbar_state(cx);
6444 }
6445 cx.stop_propagation();
6446 });
6447 }
6448 });
6449 } else {
6450 window.on_mouse_event({
6451 let editor = self.editor.clone();
6452
6453 move |event: &MouseDownEvent, phase, window, cx| {
6454 if phase == DispatchPhase::Capture {
6455 return;
6456 }
6457 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6458 else {
6459 return;
6460 };
6461
6462 let ScrollbarLayout {
6463 hitbox,
6464 visible_range,
6465 text_unit_size,
6466 thumb_bounds,
6467 ..
6468 } = scrollbar_layout;
6469
6470 let Some(thumb_bounds) = thumb_bounds else {
6471 return;
6472 };
6473
6474 editor.update(cx, |editor, cx| {
6475 editor
6476 .scroll_manager
6477 .set_dragged_scroll_thumb_axis(axis, cx);
6478
6479 let event_position = event.position.along(axis);
6480
6481 if event_position < thumb_bounds.origin.along(axis)
6482 || thumb_bounds.bottom_right().along(axis) < event_position
6483 {
6484 let center_position = ((event_position - hitbox.origin.along(axis))
6485 / *text_unit_size)
6486 .round() as u32;
6487 let start_position = center_position.saturating_sub(
6488 (visible_range.end - visible_range.start) as u32 / 2,
6489 );
6490
6491 let position = editor
6492 .scroll_position(cx)
6493 .apply_along(axis, |_| start_position as f32);
6494
6495 editor.set_scroll_position(position, window, cx);
6496 } else {
6497 editor.scroll_manager.show_scrollbars(window, cx);
6498 }
6499
6500 cx.stop_propagation();
6501 });
6502 }
6503 });
6504 }
6505 }
6506
6507 fn collect_fast_scrollbar_markers(
6508 &self,
6509 layout: &EditorLayout,
6510 scrollbar_layout: &ScrollbarLayout,
6511 cx: &mut App,
6512 ) -> Vec<PaintQuad> {
6513 const LIMIT: usize = 100;
6514 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6515 return vec![];
6516 }
6517 let cursor_ranges = layout
6518 .cursors
6519 .iter()
6520 .map(|(point, color)| ColoredRange {
6521 start: point.row(),
6522 end: point.row(),
6523 color: *color,
6524 })
6525 .collect_vec();
6526 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6527 }
6528
6529 fn refresh_slow_scrollbar_markers(
6530 &self,
6531 layout: &EditorLayout,
6532 scrollbar_layout: &ScrollbarLayout,
6533 window: &mut Window,
6534 cx: &mut App,
6535 ) {
6536 self.editor.update(cx, |editor, cx| {
6537 if !editor.is_singleton(cx)
6538 || !editor
6539 .scrollbar_marker_state
6540 .should_refresh(scrollbar_layout.hitbox.size)
6541 {
6542 return;
6543 }
6544
6545 let scrollbar_layout = scrollbar_layout.clone();
6546 let background_highlights = editor.background_highlights.clone();
6547 let snapshot = layout.position_map.snapshot.clone();
6548 let theme = cx.theme().clone();
6549 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6550
6551 editor.scrollbar_marker_state.dirty = false;
6552 editor.scrollbar_marker_state.pending_refresh =
6553 Some(cx.spawn_in(window, async move |editor, cx| {
6554 let scrollbar_size = scrollbar_layout.hitbox.size;
6555 let scrollbar_markers = cx
6556 .background_spawn(async move {
6557 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6558 let mut marker_quads = Vec::new();
6559 if scrollbar_settings.git_diff {
6560 let marker_row_ranges =
6561 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6562 let start_display_row =
6563 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6564 .to_display_point(&snapshot.display_snapshot)
6565 .row();
6566 let mut end_display_row =
6567 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6568 .to_display_point(&snapshot.display_snapshot)
6569 .row();
6570 if end_display_row != start_display_row {
6571 end_display_row.0 -= 1;
6572 }
6573 let color = match &hunk.status().kind {
6574 DiffHunkStatusKind::Added => {
6575 theme.colors().version_control_added
6576 }
6577 DiffHunkStatusKind::Modified => {
6578 theme.colors().version_control_modified
6579 }
6580 DiffHunkStatusKind::Deleted => {
6581 theme.colors().version_control_deleted
6582 }
6583 };
6584 ColoredRange {
6585 start: start_display_row,
6586 end: end_display_row,
6587 color,
6588 }
6589 });
6590
6591 marker_quads.extend(
6592 scrollbar_layout
6593 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6594 );
6595 }
6596
6597 for (background_highlight_id, (_, background_ranges)) in
6598 background_highlights.iter()
6599 {
6600 let is_search_highlights = *background_highlight_id
6601 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6602 let is_text_highlights = *background_highlight_id
6603 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6604 let is_symbol_occurrences = *background_highlight_id
6605 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6606 || *background_highlight_id
6607 == HighlightKey::Type(
6608 TypeId::of::<DocumentHighlightWrite>(),
6609 );
6610 if (is_search_highlights && scrollbar_settings.search_results)
6611 || (is_text_highlights && scrollbar_settings.selected_text)
6612 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6613 {
6614 let mut color = theme.status().info;
6615 if is_symbol_occurrences {
6616 color.fade_out(0.5);
6617 }
6618 let marker_row_ranges = background_ranges.iter().map(|range| {
6619 let display_start = range
6620 .start
6621 .to_display_point(&snapshot.display_snapshot);
6622 let display_end =
6623 range.end.to_display_point(&snapshot.display_snapshot);
6624 ColoredRange {
6625 start: display_start.row(),
6626 end: display_end.row(),
6627 color,
6628 }
6629 });
6630 marker_quads.extend(
6631 scrollbar_layout
6632 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6633 );
6634 }
6635 }
6636
6637 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6638 let diagnostics = snapshot
6639 .buffer_snapshot
6640 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6641 // Don't show diagnostics the user doesn't care about
6642 .filter(|diagnostic| {
6643 match (
6644 scrollbar_settings.diagnostics,
6645 diagnostic.diagnostic.severity,
6646 ) {
6647 (ScrollbarDiagnostics::All, _) => true,
6648 (
6649 ScrollbarDiagnostics::Error,
6650 lsp::DiagnosticSeverity::ERROR,
6651 ) => true,
6652 (
6653 ScrollbarDiagnostics::Warning,
6654 lsp::DiagnosticSeverity::ERROR
6655 | lsp::DiagnosticSeverity::WARNING,
6656 ) => true,
6657 (
6658 ScrollbarDiagnostics::Information,
6659 lsp::DiagnosticSeverity::ERROR
6660 | lsp::DiagnosticSeverity::WARNING
6661 | lsp::DiagnosticSeverity::INFORMATION,
6662 ) => true,
6663 (_, _) => false,
6664 }
6665 })
6666 // We want to sort by severity, in order to paint the most severe diagnostics last.
6667 .sorted_by_key(|diagnostic| {
6668 std::cmp::Reverse(diagnostic.diagnostic.severity)
6669 });
6670
6671 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6672 let start_display = diagnostic
6673 .range
6674 .start
6675 .to_display_point(&snapshot.display_snapshot);
6676 let end_display = diagnostic
6677 .range
6678 .end
6679 .to_display_point(&snapshot.display_snapshot);
6680 let color = match diagnostic.diagnostic.severity {
6681 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6682 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6683 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6684 _ => theme.status().hint,
6685 };
6686 ColoredRange {
6687 start: start_display.row(),
6688 end: end_display.row(),
6689 color,
6690 }
6691 });
6692 marker_quads.extend(
6693 scrollbar_layout
6694 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6695 );
6696 }
6697
6698 Arc::from(marker_quads)
6699 })
6700 .await;
6701
6702 editor.update(cx, |editor, cx| {
6703 editor.scrollbar_marker_state.markers = scrollbar_markers;
6704 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6705 editor.scrollbar_marker_state.pending_refresh = None;
6706 cx.notify();
6707 })?;
6708
6709 Ok(())
6710 }));
6711 });
6712 }
6713
6714 fn paint_highlighted_range(
6715 &self,
6716 range: Range<DisplayPoint>,
6717 fill: bool,
6718 color: Hsla,
6719 corner_radius: Pixels,
6720 line_end_overshoot: Pixels,
6721 layout: &EditorLayout,
6722 window: &mut Window,
6723 ) {
6724 let start_row = layout.visible_display_row_range.start;
6725 let end_row = layout.visible_display_row_range.end;
6726 if range.start != range.end {
6727 let row_range = if range.end.column() == 0 {
6728 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6729 } else {
6730 cmp::max(range.start.row(), start_row)
6731 ..cmp::min(range.end.row().next_row(), end_row)
6732 };
6733
6734 let highlighted_range = HighlightedRange {
6735 color,
6736 line_height: layout.position_map.line_height,
6737 corner_radius,
6738 start_y: layout.content_origin.y
6739 + row_range.start.as_f32() * layout.position_map.line_height
6740 - layout.position_map.scroll_pixel_position.y,
6741 lines: row_range
6742 .iter_rows()
6743 .map(|row| {
6744 let line_layout =
6745 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6746 HighlightedRangeLine {
6747 start_x: if row == range.start.row() {
6748 layout.content_origin.x
6749 + line_layout.x_for_index(range.start.column() as usize)
6750 - layout.position_map.scroll_pixel_position.x
6751 } else {
6752 layout.content_origin.x
6753 - layout.position_map.scroll_pixel_position.x
6754 },
6755 end_x: if row == range.end.row() {
6756 layout.content_origin.x
6757 + line_layout.x_for_index(range.end.column() as usize)
6758 - layout.position_map.scroll_pixel_position.x
6759 } else {
6760 layout.content_origin.x + line_layout.width + line_end_overshoot
6761 - layout.position_map.scroll_pixel_position.x
6762 },
6763 }
6764 })
6765 .collect(),
6766 };
6767
6768 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6769 }
6770 }
6771
6772 fn paint_inline_diagnostics(
6773 &mut self,
6774 layout: &mut EditorLayout,
6775 window: &mut Window,
6776 cx: &mut App,
6777 ) {
6778 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6779 inline_diagnostic.1.paint(window, cx);
6780 }
6781 }
6782
6783 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6784 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6785 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6786 blame_layout.element.paint(window, cx);
6787 })
6788 }
6789 }
6790
6791 fn paint_inline_code_actions(
6792 &mut self,
6793 layout: &mut EditorLayout,
6794 window: &mut Window,
6795 cx: &mut App,
6796 ) {
6797 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6798 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6799 inline_code_actions.paint(window, cx);
6800 })
6801 }
6802 }
6803
6804 fn paint_diff_hunk_controls(
6805 &mut self,
6806 layout: &mut EditorLayout,
6807 window: &mut Window,
6808 cx: &mut App,
6809 ) {
6810 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6811 diff_hunk_control.paint(window, cx);
6812 }
6813 }
6814
6815 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6816 if let Some(mut layout) = layout.minimap.take() {
6817 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6818 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6819
6820 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6821 window.with_element_namespace("minimap", |window| {
6822 layout.minimap.paint(window, cx);
6823 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6824 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6825 ScrollbarThumbState::Idle => {
6826 cx.theme().colors().minimap_thumb_background
6827 }
6828 ScrollbarThumbState::Hovered => {
6829 cx.theme().colors().minimap_thumb_hover_background
6830 }
6831 ScrollbarThumbState::Dragging => {
6832 cx.theme().colors().minimap_thumb_active_background
6833 }
6834 };
6835 let minimap_thumb_border = match layout.thumb_border_style {
6836 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6837 MinimapThumbBorder::LeftOnly => Edges {
6838 left: ScrollbarLayout::BORDER_WIDTH,
6839 ..Default::default()
6840 },
6841 MinimapThumbBorder::LeftOpen => Edges {
6842 right: ScrollbarLayout::BORDER_WIDTH,
6843 top: ScrollbarLayout::BORDER_WIDTH,
6844 bottom: ScrollbarLayout::BORDER_WIDTH,
6845 ..Default::default()
6846 },
6847 MinimapThumbBorder::RightOpen => Edges {
6848 left: ScrollbarLayout::BORDER_WIDTH,
6849 top: ScrollbarLayout::BORDER_WIDTH,
6850 bottom: ScrollbarLayout::BORDER_WIDTH,
6851 ..Default::default()
6852 },
6853 MinimapThumbBorder::None => Default::default(),
6854 };
6855
6856 window.paint_layer(minimap_hitbox.bounds, |window| {
6857 window.paint_quad(quad(
6858 thumb_bounds,
6859 Corners::default(),
6860 minimap_thumb_color,
6861 minimap_thumb_border,
6862 cx.theme().colors().minimap_thumb_border,
6863 BorderStyle::Solid,
6864 ));
6865 });
6866 }
6867 });
6868 });
6869
6870 if dragging_minimap {
6871 window.set_window_cursor_style(CursorStyle::Arrow);
6872 } else {
6873 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6874 }
6875
6876 let minimap_axis = ScrollbarAxis::Vertical;
6877 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6878 .min(layout.minimap_line_height);
6879
6880 let mut mouse_position = window.mouse_position();
6881
6882 window.on_mouse_event({
6883 let editor = self.editor.clone();
6884
6885 let minimap_hitbox = minimap_hitbox.clone();
6886
6887 move |event: &MouseMoveEvent, phase, window, cx| {
6888 if phase == DispatchPhase::Capture {
6889 return;
6890 }
6891
6892 editor.update(cx, |editor, cx| {
6893 if event.pressed_button == Some(MouseButton::Left)
6894 && editor.scroll_manager.is_dragging_minimap()
6895 {
6896 let old_position = mouse_position.along(minimap_axis);
6897 let new_position = event.position.along(minimap_axis);
6898 if (minimap_hitbox.origin.along(minimap_axis)
6899 ..minimap_hitbox.bottom_right().along(minimap_axis))
6900 .contains(&old_position)
6901 {
6902 let position =
6903 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6904 (p + (new_position - old_position) / pixels_per_line)
6905 .max(0.)
6906 });
6907 editor.set_scroll_position(position, window, cx);
6908 }
6909 cx.stop_propagation();
6910 } else if minimap_hitbox.is_hovered(window) {
6911 editor.scroll_manager.set_is_hovering_minimap_thumb(
6912 !event.dragging()
6913 && layout
6914 .thumb_layout
6915 .thumb_bounds
6916 .is_some_and(|bounds| bounds.contains(&event.position)),
6917 cx,
6918 );
6919
6920 // Stop hover events from propagating to the
6921 // underlying editor if the minimap hitbox is hovered
6922 if !event.dragging() {
6923 cx.stop_propagation();
6924 }
6925 } else {
6926 editor.scroll_manager.hide_minimap_thumb(cx);
6927 }
6928 mouse_position = event.position;
6929 });
6930 }
6931 });
6932
6933 if dragging_minimap {
6934 window.on_mouse_event({
6935 let editor = self.editor.clone();
6936 move |event: &MouseUpEvent, phase, window, cx| {
6937 if phase == DispatchPhase::Capture {
6938 return;
6939 }
6940
6941 editor.update(cx, |editor, cx| {
6942 if minimap_hitbox.is_hovered(window) {
6943 editor.scroll_manager.set_is_hovering_minimap_thumb(
6944 layout
6945 .thumb_layout
6946 .thumb_bounds
6947 .is_some_and(|bounds| bounds.contains(&event.position)),
6948 cx,
6949 );
6950 } else {
6951 editor.scroll_manager.hide_minimap_thumb(cx);
6952 }
6953 cx.stop_propagation();
6954 });
6955 }
6956 });
6957 } else {
6958 window.on_mouse_event({
6959 let editor = self.editor.clone();
6960
6961 move |event: &MouseDownEvent, phase, window, cx| {
6962 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6963 return;
6964 }
6965
6966 let event_position = event.position;
6967
6968 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6969 return;
6970 };
6971
6972 editor.update(cx, |editor, cx| {
6973 if !thumb_bounds.contains(&event_position) {
6974 let click_position =
6975 event_position.relative_to(&minimap_hitbox.origin).y;
6976
6977 let top_position = (click_position
6978 - thumb_bounds.size.along(minimap_axis) / 2.0)
6979 .max(Pixels::ZERO);
6980
6981 let scroll_offset = (layout.minimap_scroll_top
6982 + top_position / layout.minimap_line_height)
6983 .min(layout.max_scroll_top);
6984
6985 let scroll_position = editor
6986 .scroll_position(cx)
6987 .apply_along(minimap_axis, |_| scroll_offset);
6988 editor.set_scroll_position(scroll_position, window, cx);
6989 }
6990
6991 editor.scroll_manager.set_is_dragging_minimap(cx);
6992 cx.stop_propagation();
6993 });
6994 }
6995 });
6996 }
6997 }
6998 }
6999
7000 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7001 for mut block in layout.blocks.drain(..) {
7002 if block.overlaps_gutter {
7003 block.element.paint(window, cx);
7004 } else {
7005 let mut bounds = layout.hitbox.bounds;
7006 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7007 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7008 block.element.paint(window, cx);
7009 })
7010 }
7011 }
7012 }
7013
7014 fn paint_edit_prediction_popover(
7015 &mut self,
7016 layout: &mut EditorLayout,
7017 window: &mut Window,
7018 cx: &mut App,
7019 ) {
7020 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7021 edit_prediction_popover.paint(window, cx);
7022 }
7023 }
7024
7025 fn paint_mouse_context_menu(
7026 &mut self,
7027 layout: &mut EditorLayout,
7028 window: &mut Window,
7029 cx: &mut App,
7030 ) {
7031 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7032 mouse_context_menu.paint(window, cx);
7033 }
7034 }
7035
7036 fn paint_scroll_wheel_listener(
7037 &mut self,
7038 layout: &EditorLayout,
7039 window: &mut Window,
7040 cx: &mut App,
7041 ) {
7042 window.on_mouse_event({
7043 let position_map = layout.position_map.clone();
7044 let editor = self.editor.clone();
7045 let hitbox = layout.hitbox.clone();
7046 let mut delta = ScrollDelta::default();
7047
7048 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7049 // accidentally turn off their scrolling.
7050 let base_scroll_sensitivity =
7051 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7052
7053 // Use a minimum fast_scroll_sensitivity for same reason above
7054 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7055 .fast_scroll_sensitivity
7056 .max(0.01);
7057
7058 move |event: &ScrollWheelEvent, phase, window, cx| {
7059 let scroll_sensitivity = {
7060 if event.modifiers.alt {
7061 fast_scroll_sensitivity
7062 } else {
7063 base_scroll_sensitivity
7064 }
7065 };
7066
7067 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7068 delta = delta.coalesce(event.delta);
7069 editor.update(cx, |editor, cx| {
7070 let position_map: &PositionMap = &position_map;
7071
7072 let line_height = position_map.line_height;
7073 let max_glyph_advance = position_map.em_advance;
7074 let (delta, axis) = match delta {
7075 gpui::ScrollDelta::Pixels(mut pixels) => {
7076 //Trackpad
7077 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7078 (pixels, axis)
7079 }
7080
7081 gpui::ScrollDelta::Lines(lines) => {
7082 //Not trackpad
7083 let pixels =
7084 point(lines.x * max_glyph_advance, lines.y * line_height);
7085 (pixels, None)
7086 }
7087 };
7088
7089 let current_scroll_position = position_map.snapshot.scroll_position();
7090 let x = (current_scroll_position.x * max_glyph_advance
7091 - (delta.x * scroll_sensitivity))
7092 / max_glyph_advance;
7093 let y = (current_scroll_position.y * line_height
7094 - (delta.y * scroll_sensitivity))
7095 / line_height;
7096 let mut scroll_position =
7097 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7098 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7099 if forbid_vertical_scroll {
7100 scroll_position.y = current_scroll_position.y;
7101 }
7102
7103 if scroll_position != current_scroll_position {
7104 editor.scroll(scroll_position, axis, window, cx);
7105 cx.stop_propagation();
7106 } else if y < 0. {
7107 // Due to clamping, we may fail to detect cases of overscroll to the top;
7108 // We want the scroll manager to get an update in such cases and detect the change of direction
7109 // on the next frame.
7110 cx.notify();
7111 }
7112 });
7113 }
7114 }
7115 });
7116 }
7117
7118 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7119 if layout.mode.is_minimap() {
7120 return;
7121 }
7122
7123 self.paint_scroll_wheel_listener(layout, window, cx);
7124
7125 window.on_mouse_event({
7126 let position_map = layout.position_map.clone();
7127 let editor = self.editor.clone();
7128 let diff_hunk_range =
7129 layout
7130 .display_hunks
7131 .iter()
7132 .find_map(|(hunk, hunk_hitbox)| match hunk {
7133 DisplayDiffHunk::Folded { .. } => None,
7134 DisplayDiffHunk::Unfolded {
7135 multi_buffer_range, ..
7136 } => {
7137 if hunk_hitbox
7138 .as_ref()
7139 .map(|hitbox| hitbox.is_hovered(window))
7140 .unwrap_or(false)
7141 {
7142 Some(multi_buffer_range.clone())
7143 } else {
7144 None
7145 }
7146 }
7147 });
7148 let line_numbers = layout.line_numbers.clone();
7149
7150 move |event: &MouseDownEvent, phase, window, cx| {
7151 if phase == DispatchPhase::Bubble {
7152 match event.button {
7153 MouseButton::Left => editor.update(cx, |editor, cx| {
7154 let pending_mouse_down = editor
7155 .pending_mouse_down
7156 .get_or_insert_with(Default::default)
7157 .clone();
7158
7159 *pending_mouse_down.borrow_mut() = Some(event.clone());
7160
7161 Self::mouse_left_down(
7162 editor,
7163 event,
7164 diff_hunk_range.clone(),
7165 &position_map,
7166 line_numbers.as_ref(),
7167 window,
7168 cx,
7169 );
7170 }),
7171 MouseButton::Right => editor.update(cx, |editor, cx| {
7172 Self::mouse_right_down(editor, event, &position_map, window, cx);
7173 }),
7174 MouseButton::Middle => editor.update(cx, |editor, cx| {
7175 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7176 }),
7177 _ => {}
7178 };
7179 }
7180 }
7181 });
7182
7183 window.on_mouse_event({
7184 let editor = self.editor.clone();
7185 let position_map = layout.position_map.clone();
7186
7187 move |event: &MouseUpEvent, phase, window, cx| {
7188 if phase == DispatchPhase::Bubble {
7189 editor.update(cx, |editor, cx| {
7190 Self::mouse_up(editor, event, &position_map, window, cx)
7191 });
7192 }
7193 }
7194 });
7195
7196 window.on_mouse_event({
7197 let editor = self.editor.clone();
7198 let position_map = layout.position_map.clone();
7199 let mut captured_mouse_down = None;
7200
7201 move |event: &MouseUpEvent, phase, window, cx| match phase {
7202 // Clear the pending mouse down during the capture phase,
7203 // so that it happens even if another event handler stops
7204 // propagation.
7205 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7206 let pending_mouse_down = editor
7207 .pending_mouse_down
7208 .get_or_insert_with(Default::default)
7209 .clone();
7210
7211 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7212 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7213 captured_mouse_down = pending_mouse_down.take();
7214 window.refresh();
7215 }
7216 }),
7217 // Fire click handlers during the bubble phase.
7218 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7219 if let Some(mouse_down) = captured_mouse_down.take() {
7220 let event = ClickEvent::Mouse(MouseClickEvent {
7221 down: mouse_down,
7222 up: event.clone(),
7223 });
7224 Self::click(editor, &event, &position_map, window, cx);
7225 }
7226 }),
7227 }
7228 });
7229
7230 window.on_mouse_event({
7231 let position_map = layout.position_map.clone();
7232 let editor = self.editor.clone();
7233
7234 move |event: &MouseMoveEvent, phase, window, cx| {
7235 if phase == DispatchPhase::Bubble {
7236 editor.update(cx, |editor, cx| {
7237 if editor.hover_state.focused(window, cx) {
7238 return;
7239 }
7240 if event.pressed_button == Some(MouseButton::Left)
7241 || event.pressed_button == Some(MouseButton::Middle)
7242 {
7243 Self::mouse_dragged(editor, event, &position_map, window, cx)
7244 }
7245
7246 Self::mouse_moved(editor, event, &position_map, window, cx)
7247 });
7248 }
7249 }
7250 });
7251 }
7252
7253 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7254 let style = &self.style;
7255 let font_size = style.text.font_size.to_pixels(window.rem_size());
7256 let layout = window.text_system().shape_line(
7257 SharedString::from(" ".repeat(column)),
7258 font_size,
7259 &[TextRun {
7260 len: column,
7261 font: style.text.font(),
7262 color: Hsla::default(),
7263 background_color: None,
7264 underline: None,
7265 strikethrough: None,
7266 }],
7267 None,
7268 );
7269
7270 layout.width
7271 }
7272
7273 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7274 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7275 self.column_pixels(digit_count as usize, window)
7276 }
7277
7278 fn shape_line_number(
7279 &self,
7280 text: SharedString,
7281 color: Hsla,
7282 window: &mut Window,
7283 ) -> ShapedLine {
7284 let run = TextRun {
7285 len: text.len(),
7286 font: self.style.text.font(),
7287 color,
7288 background_color: None,
7289 underline: None,
7290 strikethrough: None,
7291 };
7292 window.text_system().shape_line(
7293 text,
7294 self.style.text.font_size.to_pixels(window.rem_size()),
7295 &[run],
7296 None,
7297 )
7298 }
7299
7300 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7301 let unstaged = status.has_secondary_hunk();
7302 let unstaged_hollow = matches!(
7303 ProjectSettings::get_global(cx).git.hunk_style,
7304 GitHunkStyleSetting::UnstagedHollow
7305 );
7306
7307 unstaged == unstaged_hollow
7308 }
7309
7310 #[cfg(debug_assertions)]
7311 fn layout_debug_ranges(
7312 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7313 anchor_range: Range<Anchor>,
7314 display_snapshot: &DisplaySnapshot,
7315 cx: &App,
7316 ) {
7317 let theme = cx.theme();
7318 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7319 if debug_ranges.ranges.is_empty() {
7320 return;
7321 }
7322 let buffer_snapshot = &display_snapshot.buffer_snapshot;
7323 for (buffer, buffer_range, excerpt_id) in
7324 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7325 {
7326 let buffer_range =
7327 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7328 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7329 let player_color = theme
7330 .players()
7331 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7332 debug_range.ranges.iter().filter_map(move |range| {
7333 if range.start.buffer_id != Some(buffer.remote_id()) {
7334 return None;
7335 }
7336 let clipped_start = range.start.max(&buffer_range.start, buffer);
7337 let clipped_end = range.end.min(&buffer_range.end, buffer);
7338 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7339 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7340 let start = range.start.to_display_point(display_snapshot);
7341 let end = range.end.to_display_point(display_snapshot);
7342 let selection_layout = SelectionLayout {
7343 head: start,
7344 range: start..end,
7345 cursor_shape: CursorShape::Bar,
7346 is_newest: false,
7347 is_local: false,
7348 active_rows: start.row()..end.row(),
7349 user_name: Some(SharedString::new(debug_range.value.clone())),
7350 };
7351 Some((player_color, vec![selection_layout]))
7352 })
7353 }));
7354 }
7355 });
7356 }
7357}
7358
7359fn header_jump_data(
7360 snapshot: &EditorSnapshot,
7361 block_row_start: DisplayRow,
7362 height: u32,
7363 for_excerpt: &ExcerptInfo,
7364) -> JumpData {
7365 let range = &for_excerpt.range;
7366 let buffer = &for_excerpt.buffer;
7367 let jump_anchor = range.primary.start;
7368
7369 let excerpt_start = range.context.start;
7370 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7371 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7372 0
7373 } else {
7374 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7375 jump_position.row.saturating_sub(excerpt_start_point.row)
7376 };
7377
7378 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7379 .saturating_sub(
7380 snapshot
7381 .scroll_anchor
7382 .scroll_position(&snapshot.display_snapshot)
7383 .y as u32,
7384 );
7385
7386 JumpData::MultiBufferPoint {
7387 excerpt_id: for_excerpt.id,
7388 anchor: jump_anchor,
7389 position: jump_position,
7390 line_offset_from_top,
7391 }
7392}
7393
7394pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7395
7396impl AcceptEditPredictionBinding {
7397 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7398 if let Some(binding) = self.0.as_ref() {
7399 match &binding.keystrokes() {
7400 [keystroke, ..] => Some(keystroke),
7401 _ => None,
7402 }
7403 } else {
7404 None
7405 }
7406 }
7407}
7408
7409fn prepaint_gutter_button(
7410 button: IconButton,
7411 row: DisplayRow,
7412 line_height: Pixels,
7413 gutter_dimensions: &GutterDimensions,
7414 scroll_pixel_position: gpui::Point<Pixels>,
7415 gutter_hitbox: &Hitbox,
7416 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7417 window: &mut Window,
7418 cx: &mut App,
7419) -> AnyElement {
7420 let mut button = button.into_any_element();
7421
7422 let available_space = size(
7423 AvailableSpace::MinContent,
7424 AvailableSpace::Definite(line_height),
7425 );
7426 let indicator_size = button.layout_as_root(available_space, window, cx);
7427
7428 let blame_width = gutter_dimensions.git_blame_entries_width;
7429 let gutter_width = display_hunks
7430 .binary_search_by(|(hunk, _)| match hunk {
7431 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7432 DisplayDiffHunk::Unfolded {
7433 display_row_range, ..
7434 } => {
7435 if display_row_range.end <= row {
7436 Ordering::Less
7437 } else if display_row_range.start > row {
7438 Ordering::Greater
7439 } else {
7440 Ordering::Equal
7441 }
7442 }
7443 })
7444 .ok()
7445 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7446 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7447
7448 let mut x = left_offset;
7449 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7450 - indicator_size.width
7451 - left_offset;
7452 x += available_width / 2.;
7453
7454 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7455 y += (line_height - indicator_size.height) / 2.;
7456
7457 button.prepaint_as_root(
7458 gutter_hitbox.origin + point(x, y),
7459 available_space,
7460 window,
7461 cx,
7462 );
7463 button
7464}
7465
7466fn render_inline_blame_entry(
7467 blame_entry: BlameEntry,
7468 style: &EditorStyle,
7469 cx: &mut App,
7470) -> Option<AnyElement> {
7471 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7472 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7473}
7474
7475fn render_blame_entry_popover(
7476 blame_entry: BlameEntry,
7477 scroll_handle: ScrollHandle,
7478 commit_message: Option<ParsedCommitMessage>,
7479 markdown: Entity<Markdown>,
7480 workspace: WeakEntity<Workspace>,
7481 blame: &Entity<GitBlame>,
7482 buffer: BufferId,
7483 window: &mut Window,
7484 cx: &mut App,
7485) -> Option<AnyElement> {
7486 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7487 let blame = blame.read(cx);
7488 let repository = blame.repository(cx, buffer)?;
7489 renderer.render_blame_entry_popover(
7490 blame_entry,
7491 scroll_handle,
7492 commit_message,
7493 markdown,
7494 repository,
7495 workspace,
7496 window,
7497 cx,
7498 )
7499}
7500
7501fn render_blame_entry(
7502 ix: usize,
7503 blame: &Entity<GitBlame>,
7504 blame_entry: BlameEntry,
7505 style: &EditorStyle,
7506 last_used_color: &mut Option<(PlayerColor, Oid)>,
7507 editor: Entity<Editor>,
7508 workspace: Entity<Workspace>,
7509 buffer: BufferId,
7510 renderer: Arc<dyn BlameRenderer>,
7511 cx: &mut App,
7512) -> Option<AnyElement> {
7513 let mut sha_color = cx
7514 .theme()
7515 .players()
7516 .color_for_participant(blame_entry.sha.into());
7517
7518 // If the last color we used is the same as the one we get for this line, but
7519 // the commit SHAs are different, then we try again to get a different color.
7520 match *last_used_color {
7521 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7522 let index: u32 = blame_entry.sha.into();
7523 sha_color = cx.theme().players().color_for_participant(index + 1);
7524 }
7525 _ => {}
7526 };
7527 last_used_color.replace((sha_color, blame_entry.sha));
7528
7529 let blame = blame.read(cx);
7530 let details = blame.details_for_entry(buffer, &blame_entry);
7531 let repository = blame.repository(cx, buffer)?;
7532 renderer.render_blame_entry(
7533 &style.text,
7534 blame_entry,
7535 details,
7536 repository,
7537 workspace.downgrade(),
7538 editor,
7539 ix,
7540 sha_color.cursor,
7541 cx,
7542 )
7543}
7544
7545#[derive(Debug)]
7546pub(crate) struct LineWithInvisibles {
7547 fragments: SmallVec<[LineFragment; 1]>,
7548 invisibles: Vec<Invisible>,
7549 len: usize,
7550 pub(crate) width: Pixels,
7551 font_size: Pixels,
7552}
7553
7554enum LineFragment {
7555 Text(ShapedLine),
7556 Element {
7557 id: ChunkRendererId,
7558 element: Option<AnyElement>,
7559 size: Size<Pixels>,
7560 len: usize,
7561 },
7562}
7563
7564impl fmt::Debug for LineFragment {
7565 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7566 match self {
7567 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7568 LineFragment::Element { size, len, .. } => f
7569 .debug_struct("Element")
7570 .field("size", size)
7571 .field("len", len)
7572 .finish(),
7573 }
7574 }
7575}
7576
7577impl LineWithInvisibles {
7578 fn from_chunks<'a>(
7579 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7580 editor_style: &EditorStyle,
7581 max_line_len: usize,
7582 max_line_count: usize,
7583 editor_mode: &EditorMode,
7584 text_width: Pixels,
7585 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7586 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7587 window: &mut Window,
7588 cx: &mut App,
7589 ) -> Vec<Self> {
7590 let text_style = &editor_style.text;
7591 let mut layouts = Vec::with_capacity(max_line_count);
7592 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7593 let mut line = String::new();
7594 let mut invisibles = Vec::new();
7595 let mut width = Pixels::ZERO;
7596 let mut len = 0;
7597 let mut styles = Vec::new();
7598 let mut non_whitespace_added = false;
7599 let mut row = 0;
7600 let mut line_exceeded_max_len = false;
7601 let font_size = text_style.font_size.to_pixels(window.rem_size());
7602 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7603
7604 let ellipsis = SharedString::from("β―");
7605
7606 for highlighted_chunk in chunks.chain([HighlightedChunk {
7607 text: "\n",
7608 style: None,
7609 is_tab: false,
7610 is_inlay: false,
7611 replacement: None,
7612 }]) {
7613 if let Some(replacement) = highlighted_chunk.replacement {
7614 if !line.is_empty() {
7615 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7616 let text_runs: &[TextRun] = if segments.is_empty() {
7617 &styles
7618 } else {
7619 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7620 };
7621 let shaped_line = window.text_system().shape_line(
7622 line.clone().into(),
7623 font_size,
7624 text_runs,
7625 None,
7626 );
7627 width += shaped_line.width;
7628 len += shaped_line.len;
7629 fragments.push(LineFragment::Text(shaped_line));
7630 line.clear();
7631 styles.clear();
7632 }
7633
7634 match replacement {
7635 ChunkReplacement::Renderer(renderer) => {
7636 let available_width = if renderer.constrain_width {
7637 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7638 ellipsis.clone()
7639 } else {
7640 SharedString::from(Arc::from(highlighted_chunk.text))
7641 };
7642 let shaped_line = window.text_system().shape_line(
7643 chunk,
7644 font_size,
7645 &[text_style.to_run(highlighted_chunk.text.len())],
7646 None,
7647 );
7648 AvailableSpace::Definite(shaped_line.width)
7649 } else {
7650 AvailableSpace::MinContent
7651 };
7652
7653 let mut element = (renderer.render)(&mut ChunkRendererContext {
7654 context: cx,
7655 window,
7656 max_width: text_width,
7657 });
7658 let line_height = text_style.line_height_in_pixels(window.rem_size());
7659 let size = element.layout_as_root(
7660 size(available_width, AvailableSpace::Definite(line_height)),
7661 window,
7662 cx,
7663 );
7664
7665 width += size.width;
7666 len += highlighted_chunk.text.len();
7667 fragments.push(LineFragment::Element {
7668 id: renderer.id,
7669 element: Some(element),
7670 size,
7671 len: highlighted_chunk.text.len(),
7672 });
7673 }
7674 ChunkReplacement::Str(x) => {
7675 let text_style = if let Some(style) = highlighted_chunk.style {
7676 Cow::Owned(text_style.clone().highlight(style))
7677 } else {
7678 Cow::Borrowed(text_style)
7679 };
7680
7681 let run = TextRun {
7682 len: x.len(),
7683 font: text_style.font(),
7684 color: text_style.color,
7685 background_color: text_style.background_color,
7686 underline: text_style.underline,
7687 strikethrough: text_style.strikethrough,
7688 };
7689 let line_layout = window
7690 .text_system()
7691 .shape_line(x, font_size, &[run], None)
7692 .with_len(highlighted_chunk.text.len());
7693
7694 width += line_layout.width;
7695 len += highlighted_chunk.text.len();
7696 fragments.push(LineFragment::Text(line_layout))
7697 }
7698 }
7699 } else {
7700 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7701 if ix > 0 {
7702 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7703 let text_runs = if segments.is_empty() {
7704 &styles
7705 } else {
7706 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7707 };
7708 let shaped_line = window.text_system().shape_line(
7709 line.clone().into(),
7710 font_size,
7711 text_runs,
7712 None,
7713 );
7714 width += shaped_line.width;
7715 len += shaped_line.len;
7716 fragments.push(LineFragment::Text(shaped_line));
7717 layouts.push(Self {
7718 width: mem::take(&mut width),
7719 len: mem::take(&mut len),
7720 fragments: mem::take(&mut fragments),
7721 invisibles: std::mem::take(&mut invisibles),
7722 font_size,
7723 });
7724
7725 line.clear();
7726 styles.clear();
7727 row += 1;
7728 line_exceeded_max_len = false;
7729 non_whitespace_added = false;
7730 if row == max_line_count {
7731 return layouts;
7732 }
7733 }
7734
7735 if !line_chunk.is_empty() && !line_exceeded_max_len {
7736 let text_style = if let Some(style) = highlighted_chunk.style {
7737 Cow::Owned(text_style.clone().highlight(style))
7738 } else {
7739 Cow::Borrowed(text_style)
7740 };
7741
7742 if line.len() + line_chunk.len() > max_line_len {
7743 let mut chunk_len = max_line_len - line.len();
7744 while !line_chunk.is_char_boundary(chunk_len) {
7745 chunk_len -= 1;
7746 }
7747 line_chunk = &line_chunk[..chunk_len];
7748 line_exceeded_max_len = true;
7749 }
7750
7751 styles.push(TextRun {
7752 len: line_chunk.len(),
7753 font: text_style.font(),
7754 color: text_style.color,
7755 background_color: text_style.background_color,
7756 underline: text_style.underline,
7757 strikethrough: text_style.strikethrough,
7758 });
7759
7760 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7761 // Line wrap pads its contents with fake whitespaces,
7762 // avoid printing them
7763 let is_soft_wrapped = is_row_soft_wrapped(row);
7764 if highlighted_chunk.is_tab {
7765 if non_whitespace_added || !is_soft_wrapped {
7766 invisibles.push(Invisible::Tab {
7767 line_start_offset: line.len(),
7768 line_end_offset: line.len() + line_chunk.len(),
7769 });
7770 }
7771 } else {
7772 invisibles.extend(line_chunk.char_indices().filter_map(
7773 |(index, c)| {
7774 let is_whitespace = c.is_whitespace();
7775 non_whitespace_added |= !is_whitespace;
7776 if is_whitespace
7777 && (non_whitespace_added || !is_soft_wrapped)
7778 {
7779 Some(Invisible::Whitespace {
7780 line_offset: line.len() + index,
7781 })
7782 } else {
7783 None
7784 }
7785 },
7786 ))
7787 }
7788 }
7789
7790 line.push_str(line_chunk);
7791 }
7792 }
7793 }
7794 }
7795
7796 layouts
7797 }
7798
7799 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7800 /// Returns new text runs with adjusted contrast as per background ranges.
7801 fn split_runs_by_bg_segments(
7802 text_runs: &[TextRun],
7803 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7804 min_contrast: f32,
7805 start_col_offset: usize,
7806 ) -> Vec<TextRun> {
7807 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7808 let mut line_col = start_col_offset;
7809 let mut segment_ix = 0usize;
7810
7811 for text_run in text_runs.iter() {
7812 let run_start_col = line_col;
7813 let run_end_col = run_start_col + text_run.len;
7814 while segment_ix < bg_segments.len()
7815 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7816 {
7817 segment_ix += 1;
7818 }
7819 let mut cursor_col = run_start_col;
7820 let mut local_segment_ix = segment_ix;
7821 while local_segment_ix < bg_segments.len() {
7822 let (range, segment_color) = &bg_segments[local_segment_ix];
7823 let segment_start_col = range.start.column() as usize;
7824 let segment_end_col = range.end.column() as usize;
7825 if segment_start_col >= run_end_col {
7826 break;
7827 }
7828 if segment_start_col > cursor_col {
7829 let span_len = segment_start_col - cursor_col;
7830 output_runs.push(TextRun {
7831 len: span_len,
7832 font: text_run.font.clone(),
7833 color: text_run.color,
7834 background_color: text_run.background_color,
7835 underline: text_run.underline,
7836 strikethrough: text_run.strikethrough,
7837 });
7838 cursor_col = segment_start_col;
7839 }
7840 let segment_slice_end_col = segment_end_col.min(run_end_col);
7841 if segment_slice_end_col > cursor_col {
7842 let new_text_color =
7843 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7844 output_runs.push(TextRun {
7845 len: segment_slice_end_col - cursor_col,
7846 font: text_run.font.clone(),
7847 color: new_text_color,
7848 background_color: text_run.background_color,
7849 underline: text_run.underline,
7850 strikethrough: text_run.strikethrough,
7851 });
7852 cursor_col = segment_slice_end_col;
7853 }
7854 if segment_end_col >= run_end_col {
7855 break;
7856 }
7857 local_segment_ix += 1;
7858 }
7859 if cursor_col < run_end_col {
7860 output_runs.push(TextRun {
7861 len: run_end_col - cursor_col,
7862 font: text_run.font.clone(),
7863 color: text_run.color,
7864 background_color: text_run.background_color,
7865 underline: text_run.underline,
7866 strikethrough: text_run.strikethrough,
7867 });
7868 }
7869 line_col = run_end_col;
7870 segment_ix = local_segment_ix;
7871 }
7872 output_runs
7873 }
7874
7875 fn prepaint(
7876 &mut self,
7877 line_height: Pixels,
7878 scroll_pixel_position: gpui::Point<Pixels>,
7879 row: DisplayRow,
7880 content_origin: gpui::Point<Pixels>,
7881 line_elements: &mut SmallVec<[AnyElement; 1]>,
7882 window: &mut Window,
7883 cx: &mut App,
7884 ) {
7885 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7886 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7887 for fragment in &mut self.fragments {
7888 match fragment {
7889 LineFragment::Text(line) => {
7890 fragment_origin.x += line.width;
7891 }
7892 LineFragment::Element { element, size, .. } => {
7893 let mut element = element
7894 .take()
7895 .expect("you can't prepaint LineWithInvisibles twice");
7896
7897 // Center the element vertically within the line.
7898 let mut element_origin = fragment_origin;
7899 element_origin.y += (line_height - size.height) / 2.;
7900 element.prepaint_at(element_origin, window, cx);
7901 line_elements.push(element);
7902
7903 fragment_origin.x += size.width;
7904 }
7905 }
7906 }
7907 }
7908
7909 fn draw(
7910 &self,
7911 layout: &EditorLayout,
7912 row: DisplayRow,
7913 content_origin: gpui::Point<Pixels>,
7914 whitespace_setting: ShowWhitespaceSetting,
7915 selection_ranges: &[Range<DisplayPoint>],
7916 window: &mut Window,
7917 cx: &mut App,
7918 ) {
7919 let line_height = layout.position_map.line_height;
7920 let line_y = line_height
7921 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7922
7923 let mut fragment_origin =
7924 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7925
7926 for fragment in &self.fragments {
7927 match fragment {
7928 LineFragment::Text(line) => {
7929 line.paint(fragment_origin, line_height, window, cx)
7930 .log_err();
7931 fragment_origin.x += line.width;
7932 }
7933 LineFragment::Element { size, .. } => {
7934 fragment_origin.x += size.width;
7935 }
7936 }
7937 }
7938
7939 self.draw_invisibles(
7940 selection_ranges,
7941 layout,
7942 content_origin,
7943 line_y,
7944 row,
7945 line_height,
7946 whitespace_setting,
7947 window,
7948 cx,
7949 );
7950 }
7951
7952 fn draw_background(
7953 &self,
7954 layout: &EditorLayout,
7955 row: DisplayRow,
7956 content_origin: gpui::Point<Pixels>,
7957 window: &mut Window,
7958 cx: &mut App,
7959 ) {
7960 let line_height = layout.position_map.line_height;
7961 let line_y = line_height
7962 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7963
7964 let mut fragment_origin =
7965 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7966
7967 for fragment in &self.fragments {
7968 match fragment {
7969 LineFragment::Text(line) => {
7970 line.paint_background(fragment_origin, line_height, window, cx)
7971 .log_err();
7972 fragment_origin.x += line.width;
7973 }
7974 LineFragment::Element { size, .. } => {
7975 fragment_origin.x += size.width;
7976 }
7977 }
7978 }
7979 }
7980
7981 fn draw_invisibles(
7982 &self,
7983 selection_ranges: &[Range<DisplayPoint>],
7984 layout: &EditorLayout,
7985 content_origin: gpui::Point<Pixels>,
7986 line_y: Pixels,
7987 row: DisplayRow,
7988 line_height: Pixels,
7989 whitespace_setting: ShowWhitespaceSetting,
7990 window: &mut Window,
7991 cx: &mut App,
7992 ) {
7993 let extract_whitespace_info = |invisible: &Invisible| {
7994 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7995 Invisible::Tab {
7996 line_start_offset,
7997 line_end_offset,
7998 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7999 Invisible::Whitespace { line_offset } => {
8000 (*line_offset, line_offset + 1, &layout.space_invisible)
8001 }
8002 };
8003
8004 let x_offset = self.x_for_index(token_offset);
8005 let invisible_offset =
8006 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
8007 let origin = content_origin
8008 + gpui::point(
8009 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8010 line_y,
8011 );
8012
8013 (
8014 [token_offset, token_end_offset],
8015 Box::new(move |window: &mut Window, cx: &mut App| {
8016 invisible_symbol
8017 .paint(origin, line_height, window, cx)
8018 .log_err();
8019 }),
8020 )
8021 };
8022
8023 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8024 match whitespace_setting {
8025 ShowWhitespaceSetting::None => (),
8026 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8027 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8028 let invisible_point = DisplayPoint::new(row, start as u32);
8029 if !selection_ranges
8030 .iter()
8031 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8032 {
8033 return;
8034 }
8035
8036 paint(window, cx);
8037 }),
8038
8039 ShowWhitespaceSetting::Trailing => {
8040 let mut previous_start = self.len;
8041 for ([start, end], paint) in invisible_iter.rev() {
8042 if previous_start != end {
8043 break;
8044 }
8045 previous_start = start;
8046 paint(window, cx);
8047 }
8048 }
8049
8050 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8051 // - It is a tab
8052 // - It is adjacent to an edge (start or end)
8053 // - It is adjacent to a whitespace (left or right)
8054 ShowWhitespaceSetting::Boundary => {
8055 // 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
8056 // the above cases.
8057 // Note: We zip in the original `invisibles` to check for tab equality
8058 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8059 for (([start, end], paint), invisible) in
8060 invisible_iter.zip_eq(self.invisibles.iter())
8061 {
8062 let should_render = match (&last_seen, invisible) {
8063 (_, Invisible::Tab { .. }) => true,
8064 (Some((_, last_end, _)), _) => *last_end == start,
8065 _ => false,
8066 };
8067
8068 if should_render || start == 0 || end == self.len {
8069 paint(window, cx);
8070
8071 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8072 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8073 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8074 // Note that we need to make sure that the last one is actually adjacent
8075 if !should_render_last && last_end == start {
8076 paint_last(window, cx);
8077 }
8078 }
8079 }
8080
8081 // Manually render anything within a selection
8082 let invisible_point = DisplayPoint::new(row, start as u32);
8083 if selection_ranges.iter().any(|region| {
8084 region.start <= invisible_point && invisible_point < region.end
8085 }) {
8086 paint(window, cx);
8087 }
8088
8089 last_seen = Some((should_render, end, paint));
8090 }
8091 }
8092 }
8093 }
8094
8095 pub fn x_for_index(&self, index: usize) -> Pixels {
8096 let mut fragment_start_x = Pixels::ZERO;
8097 let mut fragment_start_index = 0;
8098
8099 for fragment in &self.fragments {
8100 match fragment {
8101 LineFragment::Text(shaped_line) => {
8102 let fragment_end_index = fragment_start_index + shaped_line.len;
8103 if index < fragment_end_index {
8104 return fragment_start_x
8105 + shaped_line.x_for_index(index - fragment_start_index);
8106 }
8107 fragment_start_x += shaped_line.width;
8108 fragment_start_index = fragment_end_index;
8109 }
8110 LineFragment::Element { len, size, .. } => {
8111 let fragment_end_index = fragment_start_index + len;
8112 if index < fragment_end_index {
8113 return fragment_start_x;
8114 }
8115 fragment_start_x += size.width;
8116 fragment_start_index = fragment_end_index;
8117 }
8118 }
8119 }
8120
8121 fragment_start_x
8122 }
8123
8124 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8125 let mut fragment_start_x = Pixels::ZERO;
8126 let mut fragment_start_index = 0;
8127
8128 for fragment in &self.fragments {
8129 match fragment {
8130 LineFragment::Text(shaped_line) => {
8131 let fragment_end_x = fragment_start_x + shaped_line.width;
8132 if x < fragment_end_x {
8133 return Some(
8134 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8135 );
8136 }
8137 fragment_start_x = fragment_end_x;
8138 fragment_start_index += shaped_line.len;
8139 }
8140 LineFragment::Element { len, size, .. } => {
8141 let fragment_end_x = fragment_start_x + size.width;
8142 if x < fragment_end_x {
8143 return Some(fragment_start_index);
8144 }
8145 fragment_start_index += len;
8146 fragment_start_x = fragment_end_x;
8147 }
8148 }
8149 }
8150
8151 None
8152 }
8153
8154 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8155 let mut fragment_start_index = 0;
8156
8157 for fragment in &self.fragments {
8158 match fragment {
8159 LineFragment::Text(shaped_line) => {
8160 let fragment_end_index = fragment_start_index + shaped_line.len;
8161 if index < fragment_end_index {
8162 return shaped_line.font_id_for_index(index - fragment_start_index);
8163 }
8164 fragment_start_index = fragment_end_index;
8165 }
8166 LineFragment::Element { len, .. } => {
8167 let fragment_end_index = fragment_start_index + len;
8168 if index < fragment_end_index {
8169 return None;
8170 }
8171 fragment_start_index = fragment_end_index;
8172 }
8173 }
8174 }
8175
8176 None
8177 }
8178}
8179
8180#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8181enum Invisible {
8182 /// A tab character
8183 ///
8184 /// A tab character is internally represented by spaces (configured by the user's tab width)
8185 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8186 /// adjacency checks.
8187 Tab {
8188 line_start_offset: usize,
8189 line_end_offset: usize,
8190 },
8191 Whitespace {
8192 line_offset: usize,
8193 },
8194}
8195
8196impl EditorElement {
8197 /// Returns the rem size to use when rendering the [`EditorElement`].
8198 ///
8199 /// This allows UI elements to scale based on the `buffer_font_size`.
8200 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8201 match self.editor.read(cx).mode {
8202 EditorMode::Full {
8203 scale_ui_elements_with_buffer_font_size: true,
8204 ..
8205 }
8206 | EditorMode::Minimap { .. } => {
8207 let buffer_font_size = self.style.text.font_size;
8208 match buffer_font_size {
8209 AbsoluteLength::Pixels(pixels) => {
8210 let rem_size_scale = {
8211 // Our default UI font size is 14px on a 16px base scale.
8212 // This means the default UI font size is 0.875rems.
8213 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8214
8215 // We then determine the delta between a single rem and the default font
8216 // size scale.
8217 let default_font_size_delta = 1. - default_font_size_scale;
8218
8219 // Finally, we add this delta to 1rem to get the scale factor that
8220 // should be used to scale up the UI.
8221 1. + default_font_size_delta
8222 };
8223
8224 Some(pixels * rem_size_scale)
8225 }
8226 AbsoluteLength::Rems(rems) => {
8227 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8228 }
8229 }
8230 }
8231 // We currently use single-line and auto-height editors in UI contexts,
8232 // so we don't want to scale everything with the buffer font size, as it
8233 // ends up looking off.
8234 _ => None,
8235 }
8236 }
8237
8238 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8239 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8240 parent.upgrade()
8241 } else {
8242 Some(self.editor.clone())
8243 }
8244 }
8245}
8246
8247impl Element for EditorElement {
8248 type RequestLayoutState = ();
8249 type PrepaintState = EditorLayout;
8250
8251 fn id(&self) -> Option<ElementId> {
8252 None
8253 }
8254
8255 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8256 None
8257 }
8258
8259 fn request_layout(
8260 &mut self,
8261 _: Option<&GlobalElementId>,
8262 _inspector_id: Option<&gpui::InspectorElementId>,
8263 window: &mut Window,
8264 cx: &mut App,
8265 ) -> (gpui::LayoutId, ()) {
8266 let rem_size = self.rem_size(cx);
8267 window.with_rem_size(rem_size, |window| {
8268 self.editor.update(cx, |editor, cx| {
8269 editor.set_style(self.style.clone(), window, cx);
8270
8271 let layout_id = match editor.mode {
8272 EditorMode::SingleLine => {
8273 let rem_size = window.rem_size();
8274 let height = self.style.text.line_height_in_pixels(rem_size);
8275 let mut style = Style::default();
8276 style.size.height = height.into();
8277 style.size.width = relative(1.).into();
8278 window.request_layout(style, None, cx)
8279 }
8280 EditorMode::AutoHeight {
8281 min_lines,
8282 max_lines,
8283 } => {
8284 let editor_handle = cx.entity();
8285 let max_line_number_width =
8286 self.max_line_number_width(&editor.snapshot(window, cx), window);
8287 window.request_measured_layout(
8288 Style::default(),
8289 move |known_dimensions, available_space, window, cx| {
8290 editor_handle
8291 .update(cx, |editor, cx| {
8292 compute_auto_height_layout(
8293 editor,
8294 min_lines,
8295 max_lines,
8296 max_line_number_width,
8297 known_dimensions,
8298 available_space.width,
8299 window,
8300 cx,
8301 )
8302 })
8303 .unwrap_or_default()
8304 },
8305 )
8306 }
8307 EditorMode::Minimap { .. } => {
8308 let mut style = Style::default();
8309 style.size.width = relative(1.).into();
8310 style.size.height = relative(1.).into();
8311 window.request_layout(style, None, cx)
8312 }
8313 EditorMode::Full {
8314 sized_by_content, ..
8315 } => {
8316 let mut style = Style::default();
8317 style.size.width = relative(1.).into();
8318 if sized_by_content {
8319 let snapshot = editor.snapshot(window, cx);
8320 let line_height =
8321 self.style.text.line_height_in_pixels(window.rem_size());
8322 let scroll_height =
8323 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8324 style.size.height = scroll_height.into();
8325 } else {
8326 style.size.height = relative(1.).into();
8327 }
8328 window.request_layout(style, None, cx)
8329 }
8330 };
8331
8332 (layout_id, ())
8333 })
8334 })
8335 }
8336
8337 fn prepaint(
8338 &mut self,
8339 _: Option<&GlobalElementId>,
8340 _inspector_id: Option<&gpui::InspectorElementId>,
8341 bounds: Bounds<Pixels>,
8342 _: &mut Self::RequestLayoutState,
8343 window: &mut Window,
8344 cx: &mut App,
8345 ) -> Self::PrepaintState {
8346 let text_style = TextStyleRefinement {
8347 font_size: Some(self.style.text.font_size),
8348 line_height: Some(self.style.text.line_height),
8349 ..Default::default()
8350 };
8351
8352 let is_minimap = self.editor.read(cx).mode.is_minimap();
8353
8354 if !is_minimap {
8355 let focus_handle = self.editor.focus_handle(cx);
8356 window.set_view_id(self.editor.entity_id());
8357 window.set_focus_handle(&focus_handle, cx);
8358 }
8359
8360 let rem_size = self.rem_size(cx);
8361 window.with_rem_size(rem_size, |window| {
8362 window.with_text_style(Some(text_style), |window| {
8363 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8364 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8365 (editor.snapshot(window, cx), editor.read_only(cx))
8366 });
8367 let style = &self.style;
8368
8369 let rem_size = window.rem_size();
8370 let font_id = window.text_system().resolve_font(&style.text.font());
8371 let font_size = style.text.font_size.to_pixels(rem_size);
8372 let line_height = style.text.line_height_in_pixels(rem_size);
8373 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8374 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8375 let glyph_grid_cell = size(em_advance, line_height);
8376
8377 let gutter_dimensions = snapshot
8378 .gutter_dimensions(
8379 font_id,
8380 font_size,
8381 self.max_line_number_width(&snapshot, window),
8382 cx,
8383 )
8384 .or_else(|| {
8385 self.editor.read(cx).offset_content.then(|| {
8386 GutterDimensions::default_with_margin(font_id, font_size, cx)
8387 })
8388 })
8389 .unwrap_or_default();
8390 let text_width = bounds.size.width - gutter_dimensions.width;
8391
8392 let settings = EditorSettings::get_global(cx);
8393 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8394 let vertical_scrollbar_width = (scrollbars_shown
8395 && settings.scrollbar.axes.vertical
8396 && self.editor.read(cx).show_scrollbars.vertical)
8397 .then_some(style.scrollbar_width)
8398 .unwrap_or_default();
8399 let minimap_width = self
8400 .get_minimap_width(
8401 &settings.minimap,
8402 scrollbars_shown,
8403 text_width,
8404 em_width,
8405 font_size,
8406 rem_size,
8407 cx,
8408 )
8409 .unwrap_or_default();
8410
8411 let right_margin = minimap_width + vertical_scrollbar_width;
8412
8413 let editor_width =
8414 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8415 let editor_margins = EditorMargins {
8416 gutter: gutter_dimensions,
8417 right: right_margin,
8418 };
8419
8420 snapshot = self.editor.update(cx, |editor, cx| {
8421 editor.last_bounds = Some(bounds);
8422 editor.gutter_dimensions = gutter_dimensions;
8423 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
8424 editor.set_visible_column_count(editor_width / em_advance);
8425
8426 if matches!(
8427 editor.mode,
8428 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8429 ) {
8430 snapshot
8431 } else {
8432 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8433 let wrap_width = match editor.soft_wrap_mode(cx) {
8434 SoftWrap::GitDiff => None,
8435 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8436 SoftWrap::EditorWidth => Some(editor_width),
8437 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8438 SoftWrap::Bounded(column) => {
8439 Some(editor_width.min(wrap_width_for(column)))
8440 }
8441 };
8442
8443 if editor.set_wrap_width(wrap_width, cx) {
8444 editor.snapshot(window, cx)
8445 } else {
8446 snapshot
8447 }
8448 }
8449 });
8450
8451 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8452 let gutter_hitbox = window.insert_hitbox(
8453 gutter_bounds(bounds, gutter_dimensions),
8454 HitboxBehavior::Normal,
8455 );
8456 let text_hitbox = window.insert_hitbox(
8457 Bounds {
8458 origin: gutter_hitbox.top_right(),
8459 size: size(text_width, bounds.size.height),
8460 },
8461 HitboxBehavior::Normal,
8462 );
8463
8464 // Offset the content_bounds from the text_bounds by the gutter margin (which
8465 // is roughly half a character wide) to make hit testing work more like how we want.
8466 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8467 let content_origin = text_hitbox.origin + content_offset;
8468
8469 let height_in_lines = bounds.size.height / line_height;
8470 let max_row = snapshot.max_point().row().as_f32();
8471
8472 // The max scroll position for the top of the window
8473 let max_scroll_top = if matches!(
8474 snapshot.mode,
8475 EditorMode::SingleLine
8476 | EditorMode::AutoHeight { .. }
8477 | EditorMode::Full {
8478 sized_by_content: true,
8479 ..
8480 }
8481 ) {
8482 (max_row - height_in_lines + 1.).max(0.)
8483 } else {
8484 let settings = EditorSettings::get_global(cx);
8485 match settings.scroll_beyond_last_line {
8486 ScrollBeyondLastLine::OnePage => max_row,
8487 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8488 ScrollBeyondLastLine::VerticalScrollMargin => {
8489 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8490 .max(0.)
8491 }
8492 }
8493 };
8494
8495 let (
8496 autoscroll_request,
8497 autoscroll_containing_element,
8498 needs_horizontal_autoscroll,
8499 ) = self.editor.update(cx, |editor, cx| {
8500 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8501
8502 let autoscroll_containing_element =
8503 autoscroll_request.is_some() || editor.has_pending_selection();
8504
8505 let (needs_horizontal_autoscroll, was_scrolled) = editor
8506 .autoscroll_vertically(
8507 bounds,
8508 line_height,
8509 max_scroll_top,
8510 autoscroll_request,
8511 window,
8512 cx,
8513 );
8514 if was_scrolled.0 {
8515 snapshot = editor.snapshot(window, cx);
8516 }
8517 (
8518 autoscroll_request,
8519 autoscroll_containing_element,
8520 needs_horizontal_autoscroll,
8521 )
8522 });
8523
8524 let mut scroll_position = snapshot.scroll_position();
8525 // The scroll position is a fractional point, the whole number of which represents
8526 // the top of the window in terms of display rows.
8527 let start_row = DisplayRow(scroll_position.y as u32);
8528 let max_row = snapshot.max_point().row();
8529 let end_row = cmp::min(
8530 (scroll_position.y + height_in_lines).ceil() as u32,
8531 max_row.next_row().0,
8532 );
8533 let end_row = DisplayRow(end_row);
8534
8535 let row_infos = snapshot
8536 .row_infos(start_row)
8537 .take((start_row..end_row).len())
8538 .collect::<Vec<RowInfo>>();
8539 let is_row_soft_wrapped = |row: usize| {
8540 row_infos
8541 .get(row)
8542 .is_none_or(|info| info.buffer_row.is_none())
8543 };
8544
8545 let start_anchor = if start_row == Default::default() {
8546 Anchor::min()
8547 } else {
8548 snapshot.buffer_snapshot.anchor_before(
8549 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8550 )
8551 };
8552 let end_anchor = if end_row > max_row {
8553 Anchor::max()
8554 } else {
8555 snapshot.buffer_snapshot.anchor_before(
8556 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8557 )
8558 };
8559
8560 let mut highlighted_rows = self
8561 .editor
8562 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8563
8564 let is_light = cx.theme().appearance().is_light();
8565
8566 for (ix, row_info) in row_infos.iter().enumerate() {
8567 let Some(diff_status) = row_info.diff_status else {
8568 continue;
8569 };
8570
8571 let background_color = match diff_status.kind {
8572 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8573 DiffHunkStatusKind::Deleted => {
8574 cx.theme().colors().version_control_deleted
8575 }
8576 DiffHunkStatusKind::Modified => {
8577 debug_panic!("modified diff status for row info");
8578 continue;
8579 }
8580 };
8581
8582 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8583
8584 let hollow_highlight = LineHighlight {
8585 background: (background_color.opacity(if is_light {
8586 0.08
8587 } else {
8588 0.06
8589 }))
8590 .into(),
8591 border: Some(if is_light {
8592 background_color.opacity(0.48)
8593 } else {
8594 background_color.opacity(0.36)
8595 }),
8596 include_gutter: true,
8597 type_id: None,
8598 };
8599
8600 let filled_highlight = LineHighlight {
8601 background: solid_background(background_color.opacity(hunk_opacity)),
8602 border: None,
8603 include_gutter: true,
8604 type_id: None,
8605 };
8606
8607 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8608 hollow_highlight
8609 } else {
8610 filled_highlight
8611 };
8612
8613 highlighted_rows
8614 .entry(start_row + DisplayRow(ix as u32))
8615 .or_insert(background);
8616 }
8617
8618 let highlighted_ranges = self
8619 .editor_with_selections(cx)
8620 .map(|editor| {
8621 editor.read(cx).background_highlights_in_range(
8622 start_anchor..end_anchor,
8623 &snapshot.display_snapshot,
8624 cx.theme(),
8625 )
8626 })
8627 .unwrap_or_default();
8628 let highlighted_gutter_ranges =
8629 self.editor.read(cx).gutter_highlights_in_range(
8630 start_anchor..end_anchor,
8631 &snapshot.display_snapshot,
8632 cx,
8633 );
8634
8635 let document_colors = self
8636 .editor
8637 .read(cx)
8638 .colors
8639 .as_ref()
8640 .map(|colors| colors.editor_display_highlights(&snapshot));
8641 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8642 start_anchor..end_anchor,
8643 &snapshot.display_snapshot,
8644 cx,
8645 );
8646
8647 let (local_selections, selected_buffer_ids): (
8648 Vec<Selection<Point>>,
8649 Vec<BufferId>,
8650 ) = self
8651 .editor_with_selections(cx)
8652 .map(|editor| {
8653 editor.update(cx, |editor, cx| {
8654 let all_selections = editor.selections.all::<Point>(cx);
8655 let selected_buffer_ids = if editor.is_singleton(cx) {
8656 Vec::new()
8657 } else {
8658 let mut selected_buffer_ids =
8659 Vec::with_capacity(all_selections.len());
8660
8661 for selection in all_selections {
8662 for buffer_id in snapshot
8663 .buffer_snapshot
8664 .buffer_ids_for_range(selection.range())
8665 {
8666 if selected_buffer_ids.last() != Some(&buffer_id) {
8667 selected_buffer_ids.push(buffer_id);
8668 }
8669 }
8670 }
8671
8672 selected_buffer_ids
8673 };
8674
8675 let mut selections = editor
8676 .selections
8677 .disjoint_in_range(start_anchor..end_anchor, cx);
8678 selections.extend(editor.selections.pending(cx));
8679
8680 (selections, selected_buffer_ids)
8681 })
8682 })
8683 .unwrap_or_default();
8684
8685 let (selections, mut active_rows, newest_selection_head) = self
8686 .layout_selections(
8687 start_anchor,
8688 end_anchor,
8689 &local_selections,
8690 &snapshot,
8691 start_row,
8692 end_row,
8693 window,
8694 cx,
8695 );
8696 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8697 editor.active_breakpoints(start_row..end_row, window, cx)
8698 });
8699 for (display_row, (_, bp, state)) in &breakpoint_rows {
8700 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8701 active_rows.entry(*display_row).or_default().breakpoint = true;
8702 }
8703 }
8704
8705 let line_numbers = self.layout_line_numbers(
8706 Some(&gutter_hitbox),
8707 gutter_dimensions,
8708 line_height,
8709 scroll_position,
8710 start_row..end_row,
8711 &row_infos,
8712 &active_rows,
8713 newest_selection_head,
8714 &snapshot,
8715 window,
8716 cx,
8717 );
8718
8719 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8720 // line numbers so we don't paint a line number debug accent color if a user
8721 // has their mouse over that line when a breakpoint isn't there
8722 self.editor.update(cx, |editor, _| {
8723 if let Some(phantom_breakpoint) = &mut editor
8724 .gutter_breakpoint_indicator
8725 .0
8726 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8727 {
8728 // Is there a non-phantom breakpoint on this line?
8729 phantom_breakpoint.collides_with_existing_breakpoint = true;
8730 breakpoint_rows
8731 .entry(phantom_breakpoint.display_row)
8732 .or_insert_with(|| {
8733 let position = snapshot.display_point_to_anchor(
8734 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8735 Bias::Right,
8736 );
8737 let breakpoint = Breakpoint::new_standard();
8738 phantom_breakpoint.collides_with_existing_breakpoint = false;
8739 (position, breakpoint, None)
8740 });
8741 }
8742 });
8743
8744 let mut expand_toggles =
8745 window.with_element_namespace("expand_toggles", |window| {
8746 self.layout_expand_toggles(
8747 &gutter_hitbox,
8748 gutter_dimensions,
8749 em_width,
8750 line_height,
8751 scroll_position,
8752 &row_infos,
8753 window,
8754 cx,
8755 )
8756 });
8757
8758 let mut crease_toggles =
8759 window.with_element_namespace("crease_toggles", |window| {
8760 self.layout_crease_toggles(
8761 start_row..end_row,
8762 &row_infos,
8763 &active_rows,
8764 &snapshot,
8765 window,
8766 cx,
8767 )
8768 });
8769 let crease_trailers =
8770 window.with_element_namespace("crease_trailers", |window| {
8771 self.layout_crease_trailers(
8772 row_infos.iter().copied(),
8773 &snapshot,
8774 window,
8775 cx,
8776 )
8777 });
8778
8779 let display_hunks = self.layout_gutter_diff_hunks(
8780 line_height,
8781 &gutter_hitbox,
8782 start_row..end_row,
8783 &snapshot,
8784 window,
8785 cx,
8786 );
8787
8788 let bg_segments_per_row = Self::bg_segments_per_row(
8789 start_row..end_row,
8790 &selections,
8791 &highlighted_ranges,
8792 self.style.background,
8793 );
8794
8795 let mut line_layouts = Self::layout_lines(
8796 start_row..end_row,
8797 &snapshot,
8798 &self.style,
8799 editor_width,
8800 is_row_soft_wrapped,
8801 &bg_segments_per_row,
8802 window,
8803 cx,
8804 );
8805 let new_renderer_widths = (!is_minimap).then(|| {
8806 line_layouts
8807 .iter()
8808 .flat_map(|layout| &layout.fragments)
8809 .filter_map(|fragment| {
8810 if let LineFragment::Element { id, size, .. } = fragment {
8811 Some((*id, size.width))
8812 } else {
8813 None
8814 }
8815 })
8816 });
8817 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8818 self.editor.update(cx, |editor, cx| {
8819 editor.update_renderer_widths(new_renderer_widths, cx)
8820 })
8821 }) {
8822 // If the fold widths have changed, we need to prepaint
8823 // the element again to account for any changes in
8824 // wrapping.
8825 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8826 }
8827
8828 let longest_line_blame_width = self
8829 .editor
8830 .update(cx, |editor, cx| {
8831 if !editor.show_git_blame_inline {
8832 return None;
8833 }
8834 let blame = editor.blame.as_ref()?;
8835 let (_, blame_entry) = blame
8836 .update(cx, |blame, cx| {
8837 let row_infos =
8838 snapshot.row_infos(snapshot.longest_row()).next()?;
8839 blame.blame_for_rows(&[row_infos], cx).next()
8840 })
8841 .flatten()?;
8842 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8843 let inline_blame_padding =
8844 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8845 * em_advance;
8846 Some(
8847 element
8848 .layout_as_root(AvailableSpace::min_size(), window, cx)
8849 .width
8850 + inline_blame_padding,
8851 )
8852 })
8853 .unwrap_or(Pixels::ZERO);
8854
8855 let longest_line_width = layout_line(
8856 snapshot.longest_row(),
8857 &snapshot,
8858 style,
8859 editor_width,
8860 is_row_soft_wrapped,
8861 window,
8862 cx,
8863 )
8864 .width;
8865
8866 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8867 text_hitbox.bounds,
8868 glyph_grid_cell,
8869 size(longest_line_width, max_row.as_f32() * line_height),
8870 longest_line_blame_width,
8871 EditorSettings::get_global(cx),
8872 );
8873
8874 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8875
8876 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8877 snapshot.sticky_header_excerpt(scroll_position.y)
8878 } else {
8879 None
8880 };
8881 let sticky_header_excerpt_id =
8882 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8883
8884 let blocks = (!is_minimap)
8885 .then(|| {
8886 window.with_element_namespace("blocks", |window| {
8887 self.render_blocks(
8888 start_row..end_row,
8889 &snapshot,
8890 &hitbox,
8891 &text_hitbox,
8892 editor_width,
8893 &mut scroll_width,
8894 &editor_margins,
8895 em_width,
8896 gutter_dimensions.full_width(),
8897 line_height,
8898 &mut line_layouts,
8899 &local_selections,
8900 &selected_buffer_ids,
8901 is_row_soft_wrapped,
8902 sticky_header_excerpt_id,
8903 window,
8904 cx,
8905 )
8906 })
8907 })
8908 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
8909 let (mut blocks, row_block_types) = match blocks {
8910 Ok(blocks) => blocks,
8911 Err(resized_blocks) => {
8912 self.editor.update(cx, |editor, cx| {
8913 editor.resize_blocks(
8914 resized_blocks,
8915 autoscroll_request.map(|(autoscroll, _)| autoscroll),
8916 cx,
8917 )
8918 });
8919 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8920 }
8921 };
8922
8923 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8924 window.with_element_namespace("blocks", |window| {
8925 self.layout_sticky_buffer_header(
8926 sticky_header_excerpt,
8927 scroll_position.y,
8928 line_height,
8929 right_margin,
8930 &snapshot,
8931 &hitbox,
8932 &selected_buffer_ids,
8933 &blocks,
8934 window,
8935 cx,
8936 )
8937 })
8938 });
8939
8940 let start_buffer_row =
8941 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8942 let end_buffer_row =
8943 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8944
8945 let scroll_max = point(
8946 ((scroll_width - editor_width) / em_advance).max(0.0),
8947 max_scroll_top,
8948 );
8949
8950 self.editor.update(cx, |editor, cx| {
8951 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
8952 scroll_position.x = scroll_position.x.min(scroll_max.x);
8953 }
8954
8955 if needs_horizontal_autoscroll.0
8956 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
8957 start_row,
8958 editor_width,
8959 scroll_width,
8960 em_advance,
8961 &line_layouts,
8962 autoscroll_request,
8963 window,
8964 cx,
8965 )
8966 {
8967 scroll_position = new_scroll_position;
8968 }
8969 });
8970
8971 let scroll_pixel_position = point(
8972 scroll_position.x * em_advance,
8973 scroll_position.y * line_height,
8974 );
8975 let indent_guides = self.layout_indent_guides(
8976 content_origin,
8977 text_hitbox.origin,
8978 start_buffer_row..end_buffer_row,
8979 scroll_pixel_position,
8980 line_height,
8981 &snapshot,
8982 window,
8983 cx,
8984 );
8985
8986 let crease_trailers =
8987 window.with_element_namespace("crease_trailers", |window| {
8988 self.prepaint_crease_trailers(
8989 crease_trailers,
8990 &line_layouts,
8991 line_height,
8992 content_origin,
8993 scroll_pixel_position,
8994 em_width,
8995 window,
8996 cx,
8997 )
8998 });
8999
9000 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9001 .editor
9002 .update(cx, |editor, cx| {
9003 editor.render_edit_prediction_popover(
9004 &text_hitbox.bounds,
9005 content_origin,
9006 right_margin,
9007 &snapshot,
9008 start_row..end_row,
9009 scroll_position.y,
9010 scroll_position.y + height_in_lines,
9011 &line_layouts,
9012 line_height,
9013 scroll_pixel_position,
9014 newest_selection_head,
9015 editor_width,
9016 style,
9017 window,
9018 cx,
9019 )
9020 })
9021 .unzip();
9022
9023 let mut inline_diagnostics = self.layout_inline_diagnostics(
9024 &line_layouts,
9025 &crease_trailers,
9026 &row_block_types,
9027 content_origin,
9028 scroll_pixel_position,
9029 edit_prediction_popover_origin,
9030 start_row,
9031 end_row,
9032 line_height,
9033 em_width,
9034 style,
9035 window,
9036 cx,
9037 );
9038
9039 let mut inline_blame_layout = None;
9040 let mut inline_code_actions = None;
9041 if let Some(newest_selection_head) = newest_selection_head {
9042 let display_row = newest_selection_head.row();
9043 if (start_row..end_row).contains(&display_row)
9044 && !row_block_types.contains_key(&display_row)
9045 {
9046 inline_code_actions = self.layout_inline_code_actions(
9047 newest_selection_head,
9048 content_origin,
9049 scroll_pixel_position,
9050 line_height,
9051 &snapshot,
9052 window,
9053 cx,
9054 );
9055
9056 let line_ix = display_row.minus(start_row) as usize;
9057 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9058 row_infos.get(line_ix),
9059 line_layouts.get(line_ix),
9060 crease_trailers.get(line_ix),
9061 ) {
9062 let crease_trailer_layout = crease_trailer.as_ref();
9063 if let Some(layout) = self.layout_inline_blame(
9064 display_row,
9065 row_info,
9066 line_layout,
9067 crease_trailer_layout,
9068 em_width,
9069 content_origin,
9070 scroll_pixel_position,
9071 line_height,
9072 &text_hitbox,
9073 window,
9074 cx,
9075 ) {
9076 inline_blame_layout = Some(layout);
9077 // Blame overrides inline diagnostics
9078 inline_diagnostics.remove(&display_row);
9079 }
9080 } else {
9081 log::error!(
9082 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9083 line_layouts.len(): {}, \
9084 crease_trailers.len(): {}",
9085 line_ix,
9086 row_infos.len(),
9087 line_layouts.len(),
9088 crease_trailers.len(),
9089 );
9090 }
9091 }
9092 }
9093
9094 let blamed_display_rows = self.layout_blame_entries(
9095 &row_infos,
9096 em_width,
9097 scroll_position,
9098 line_height,
9099 &gutter_hitbox,
9100 gutter_dimensions.git_blame_entries_width,
9101 window,
9102 cx,
9103 );
9104
9105 let line_elements = self.prepaint_lines(
9106 start_row,
9107 &mut line_layouts,
9108 line_height,
9109 scroll_pixel_position,
9110 content_origin,
9111 window,
9112 cx,
9113 );
9114
9115 window.with_element_namespace("blocks", |window| {
9116 self.layout_blocks(
9117 &mut blocks,
9118 &hitbox,
9119 line_height,
9120 scroll_pixel_position,
9121 window,
9122 cx,
9123 );
9124 });
9125
9126 let cursors = self.collect_cursors(&snapshot, cx);
9127 let visible_row_range = start_row..end_row;
9128 let non_visible_cursors = cursors
9129 .iter()
9130 .any(|c| !visible_row_range.contains(&c.0.row()));
9131
9132 let visible_cursors = self.layout_visible_cursors(
9133 &snapshot,
9134 &selections,
9135 &row_block_types,
9136 start_row..end_row,
9137 &line_layouts,
9138 &text_hitbox,
9139 content_origin,
9140 scroll_position,
9141 scroll_pixel_position,
9142 line_height,
9143 em_width,
9144 em_advance,
9145 autoscroll_containing_element,
9146 window,
9147 cx,
9148 );
9149
9150 let scrollbars_layout = self.layout_scrollbars(
9151 &snapshot,
9152 &scrollbar_layout_information,
9153 content_offset,
9154 scroll_position,
9155 non_visible_cursors,
9156 right_margin,
9157 editor_width,
9158 window,
9159 cx,
9160 );
9161
9162 let gutter_settings = EditorSettings::get_global(cx).gutter;
9163
9164 let context_menu_layout =
9165 if let Some(newest_selection_head) = newest_selection_head {
9166 let newest_selection_point =
9167 newest_selection_head.to_point(&snapshot.display_snapshot);
9168 if (start_row..end_row).contains(&newest_selection_head.row()) {
9169 self.layout_cursor_popovers(
9170 line_height,
9171 &text_hitbox,
9172 content_origin,
9173 right_margin,
9174 start_row,
9175 scroll_pixel_position,
9176 &line_layouts,
9177 newest_selection_head,
9178 newest_selection_point,
9179 style,
9180 window,
9181 cx,
9182 )
9183 } else {
9184 None
9185 }
9186 } else {
9187 None
9188 };
9189
9190 self.layout_gutter_menu(
9191 line_height,
9192 &text_hitbox,
9193 content_origin,
9194 right_margin,
9195 scroll_pixel_position,
9196 gutter_dimensions.width - gutter_dimensions.left_padding,
9197 window,
9198 cx,
9199 );
9200
9201 let test_indicators = if gutter_settings.runnables {
9202 self.layout_run_indicators(
9203 line_height,
9204 start_row..end_row,
9205 &row_infos,
9206 scroll_pixel_position,
9207 &gutter_dimensions,
9208 &gutter_hitbox,
9209 &display_hunks,
9210 &snapshot,
9211 &mut breakpoint_rows,
9212 window,
9213 cx,
9214 )
9215 } else {
9216 Vec::new()
9217 };
9218
9219 let show_breakpoints = snapshot
9220 .show_breakpoints
9221 .unwrap_or(gutter_settings.breakpoints);
9222 let breakpoints = if show_breakpoints {
9223 self.layout_breakpoints(
9224 line_height,
9225 start_row..end_row,
9226 scroll_pixel_position,
9227 &gutter_dimensions,
9228 &gutter_hitbox,
9229 &display_hunks,
9230 &snapshot,
9231 breakpoint_rows,
9232 &row_infos,
9233 window,
9234 cx,
9235 )
9236 } else {
9237 Vec::new()
9238 };
9239
9240 self.layout_signature_help(
9241 &hitbox,
9242 content_origin,
9243 scroll_pixel_position,
9244 newest_selection_head,
9245 start_row,
9246 &line_layouts,
9247 line_height,
9248 em_width,
9249 context_menu_layout,
9250 window,
9251 cx,
9252 );
9253
9254 if !cx.has_active_drag() {
9255 self.layout_hover_popovers(
9256 &snapshot,
9257 &hitbox,
9258 start_row..end_row,
9259 content_origin,
9260 scroll_pixel_position,
9261 &line_layouts,
9262 line_height,
9263 em_width,
9264 context_menu_layout,
9265 window,
9266 cx,
9267 );
9268 }
9269
9270 let mouse_context_menu = self.layout_mouse_context_menu(
9271 &snapshot,
9272 start_row..end_row,
9273 content_origin,
9274 window,
9275 cx,
9276 );
9277
9278 window.with_element_namespace("crease_toggles", |window| {
9279 self.prepaint_crease_toggles(
9280 &mut crease_toggles,
9281 line_height,
9282 &gutter_dimensions,
9283 gutter_settings,
9284 scroll_pixel_position,
9285 &gutter_hitbox,
9286 window,
9287 cx,
9288 )
9289 });
9290
9291 window.with_element_namespace("expand_toggles", |window| {
9292 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9293 });
9294
9295 let wrap_guides = self.layout_wrap_guides(
9296 em_advance,
9297 scroll_position,
9298 content_origin,
9299 scrollbars_layout.as_ref(),
9300 vertical_scrollbar_width,
9301 &hitbox,
9302 window,
9303 cx,
9304 );
9305
9306 let minimap = window.with_element_namespace("minimap", |window| {
9307 self.layout_minimap(
9308 &snapshot,
9309 minimap_width,
9310 scroll_position,
9311 &scrollbar_layout_information,
9312 scrollbars_layout.as_ref(),
9313 window,
9314 cx,
9315 )
9316 });
9317
9318 let invisible_symbol_font_size = font_size / 2.;
9319 let whitespace_map = &self
9320 .editor
9321 .read(cx)
9322 .buffer
9323 .read(cx)
9324 .language_settings(cx)
9325 .whitespace_map;
9326
9327 let tab_char = whitespace_map.tab();
9328 let tab_len = tab_char.len();
9329 let tab_invisible = window.text_system().shape_line(
9330 tab_char,
9331 invisible_symbol_font_size,
9332 &[TextRun {
9333 len: tab_len,
9334 font: self.style.text.font(),
9335 color: cx.theme().colors().editor_invisible,
9336 background_color: None,
9337 underline: None,
9338 strikethrough: None,
9339 }],
9340 None,
9341 );
9342
9343 let space_char = whitespace_map.space();
9344 let space_len = space_char.len();
9345 let space_invisible = window.text_system().shape_line(
9346 space_char,
9347 invisible_symbol_font_size,
9348 &[TextRun {
9349 len: space_len,
9350 font: self.style.text.font(),
9351 color: cx.theme().colors().editor_invisible,
9352 background_color: None,
9353 underline: None,
9354 strikethrough: None,
9355 }],
9356 None,
9357 );
9358
9359 let mode = snapshot.mode.clone();
9360
9361 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9362 (vec![], vec![])
9363 } else {
9364 self.layout_diff_hunk_controls(
9365 start_row..end_row,
9366 &row_infos,
9367 &text_hitbox,
9368 newest_selection_head,
9369 line_height,
9370 right_margin,
9371 scroll_pixel_position,
9372 &display_hunks,
9373 &highlighted_rows,
9374 self.editor.clone(),
9375 window,
9376 cx,
9377 )
9378 };
9379
9380 let position_map = Rc::new(PositionMap {
9381 size: bounds.size,
9382 visible_row_range,
9383 scroll_pixel_position,
9384 scroll_max,
9385 line_layouts,
9386 line_height,
9387 em_width,
9388 em_advance,
9389 snapshot,
9390 gutter_hitbox: gutter_hitbox.clone(),
9391 text_hitbox: text_hitbox.clone(),
9392 inline_blame_bounds: inline_blame_layout
9393 .as_ref()
9394 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9395 display_hunks: display_hunks.clone(),
9396 diff_hunk_control_bounds,
9397 });
9398
9399 self.editor.update(cx, |editor, _| {
9400 editor.last_position_map = Some(position_map.clone())
9401 });
9402
9403 EditorLayout {
9404 mode,
9405 position_map,
9406 visible_display_row_range: start_row..end_row,
9407 wrap_guides,
9408 indent_guides,
9409 hitbox,
9410 gutter_hitbox,
9411 display_hunks,
9412 content_origin,
9413 scrollbars_layout,
9414 minimap,
9415 active_rows,
9416 highlighted_rows,
9417 highlighted_ranges,
9418 highlighted_gutter_ranges,
9419 redacted_ranges,
9420 document_colors,
9421 line_elements,
9422 line_numbers,
9423 blamed_display_rows,
9424 inline_diagnostics,
9425 inline_blame_layout,
9426 inline_code_actions,
9427 blocks,
9428 cursors,
9429 visible_cursors,
9430 selections,
9431 edit_prediction_popover,
9432 diff_hunk_controls,
9433 mouse_context_menu,
9434 test_indicators,
9435 breakpoints,
9436 crease_toggles,
9437 crease_trailers,
9438 tab_invisible,
9439 space_invisible,
9440 sticky_buffer_header,
9441 expand_toggles,
9442 }
9443 })
9444 })
9445 })
9446 }
9447
9448 fn paint(
9449 &mut self,
9450 _: Option<&GlobalElementId>,
9451 _inspector_id: Option<&gpui::InspectorElementId>,
9452 bounds: Bounds<gpui::Pixels>,
9453 _: &mut Self::RequestLayoutState,
9454 layout: &mut Self::PrepaintState,
9455 window: &mut Window,
9456 cx: &mut App,
9457 ) {
9458 if !layout.mode.is_minimap() {
9459 let focus_handle = self.editor.focus_handle(cx);
9460 let key_context = self
9461 .editor
9462 .update(cx, |editor, cx| editor.key_context(window, cx));
9463
9464 window.set_key_context(key_context);
9465 window.handle_input(
9466 &focus_handle,
9467 ElementInputHandler::new(bounds, self.editor.clone()),
9468 cx,
9469 );
9470 self.register_actions(window, cx);
9471 self.register_key_listeners(window, cx, layout);
9472 }
9473
9474 let text_style = TextStyleRefinement {
9475 font_size: Some(self.style.text.font_size),
9476 line_height: Some(self.style.text.line_height),
9477 ..Default::default()
9478 };
9479 let rem_size = self.rem_size(cx);
9480 window.with_rem_size(rem_size, |window| {
9481 window.with_text_style(Some(text_style), |window| {
9482 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9483 self.paint_mouse_listeners(layout, window, cx);
9484 self.paint_background(layout, window, cx);
9485 self.paint_indent_guides(layout, window, cx);
9486
9487 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9488 self.paint_blamed_display_rows(layout, window, cx);
9489 self.paint_line_numbers(layout, window, cx);
9490 }
9491
9492 self.paint_text(layout, window, cx);
9493
9494 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9495 self.paint_gutter_highlights(layout, window, cx);
9496 self.paint_gutter_indicators(layout, window, cx);
9497 }
9498
9499 if !layout.blocks.is_empty() {
9500 window.with_element_namespace("blocks", |window| {
9501 self.paint_blocks(layout, window, cx);
9502 });
9503 }
9504
9505 window.with_element_namespace("blocks", |window| {
9506 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9507 sticky_header.paint(window, cx)
9508 }
9509 });
9510
9511 self.paint_minimap(layout, window, cx);
9512 self.paint_scrollbars(layout, window, cx);
9513 self.paint_edit_prediction_popover(layout, window, cx);
9514 self.paint_mouse_context_menu(layout, window, cx);
9515 });
9516 })
9517 })
9518 }
9519}
9520
9521pub(super) fn gutter_bounds(
9522 editor_bounds: Bounds<Pixels>,
9523 gutter_dimensions: GutterDimensions,
9524) -> Bounds<Pixels> {
9525 Bounds {
9526 origin: editor_bounds.origin,
9527 size: size(gutter_dimensions.width, editor_bounds.size.height),
9528 }
9529}
9530
9531#[derive(Clone, Copy)]
9532struct ContextMenuLayout {
9533 y_flipped: bool,
9534 bounds: Bounds<Pixels>,
9535}
9536
9537/// Holds information required for layouting the editor scrollbars.
9538struct ScrollbarLayoutInformation {
9539 /// The bounds of the editor area (excluding the content offset).
9540 editor_bounds: Bounds<Pixels>,
9541 /// The available range to scroll within the document.
9542 scroll_range: Size<Pixels>,
9543 /// The space available for one glyph in the editor.
9544 glyph_grid_cell: Size<Pixels>,
9545}
9546
9547impl ScrollbarLayoutInformation {
9548 pub fn new(
9549 editor_bounds: Bounds<Pixels>,
9550 glyph_grid_cell: Size<Pixels>,
9551 document_size: Size<Pixels>,
9552 longest_line_blame_width: Pixels,
9553 settings: &EditorSettings,
9554 ) -> Self {
9555 let vertical_overscroll = match settings.scroll_beyond_last_line {
9556 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9557 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9558 ScrollBeyondLastLine::VerticalScrollMargin => {
9559 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9560 }
9561 };
9562
9563 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9564
9565 ScrollbarLayoutInformation {
9566 editor_bounds,
9567 scroll_range: document_size + overscroll,
9568 glyph_grid_cell,
9569 }
9570 }
9571}
9572
9573impl IntoElement for EditorElement {
9574 type Element = Self;
9575
9576 fn into_element(self) -> Self::Element {
9577 self
9578 }
9579}
9580
9581pub struct EditorLayout {
9582 position_map: Rc<PositionMap>,
9583 hitbox: Hitbox,
9584 gutter_hitbox: Hitbox,
9585 content_origin: gpui::Point<Pixels>,
9586 scrollbars_layout: Option<EditorScrollbars>,
9587 minimap: Option<MinimapLayout>,
9588 mode: EditorMode,
9589 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9590 indent_guides: Option<Vec<IndentGuideLayout>>,
9591 visible_display_row_range: Range<DisplayRow>,
9592 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9593 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9594 line_elements: SmallVec<[AnyElement; 1]>,
9595 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9596 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9597 blamed_display_rows: Option<Vec<AnyElement>>,
9598 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9599 inline_blame_layout: Option<InlineBlameLayout>,
9600 inline_code_actions: Option<AnyElement>,
9601 blocks: Vec<BlockLayout>,
9602 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9603 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9604 redacted_ranges: Vec<Range<DisplayPoint>>,
9605 cursors: Vec<(DisplayPoint, Hsla)>,
9606 visible_cursors: Vec<CursorLayout>,
9607 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9608 test_indicators: Vec<AnyElement>,
9609 breakpoints: Vec<AnyElement>,
9610 crease_toggles: Vec<Option<AnyElement>>,
9611 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9612 diff_hunk_controls: Vec<AnyElement>,
9613 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9614 edit_prediction_popover: Option<AnyElement>,
9615 mouse_context_menu: Option<AnyElement>,
9616 tab_invisible: ShapedLine,
9617 space_invisible: ShapedLine,
9618 sticky_buffer_header: Option<AnyElement>,
9619 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9620}
9621
9622impl EditorLayout {
9623 fn line_end_overshoot(&self) -> Pixels {
9624 0.15 * self.position_map.line_height
9625 }
9626}
9627
9628struct LineNumberLayout {
9629 shaped_line: ShapedLine,
9630 hitbox: Option<Hitbox>,
9631}
9632
9633struct ColoredRange<T> {
9634 start: T,
9635 end: T,
9636 color: Hsla,
9637}
9638
9639impl Along for ScrollbarAxes {
9640 type Unit = bool;
9641
9642 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9643 match axis {
9644 ScrollbarAxis::Horizontal => self.horizontal,
9645 ScrollbarAxis::Vertical => self.vertical,
9646 }
9647 }
9648
9649 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9650 match axis {
9651 ScrollbarAxis::Horizontal => ScrollbarAxes {
9652 horizontal: f(self.horizontal),
9653 vertical: self.vertical,
9654 },
9655 ScrollbarAxis::Vertical => ScrollbarAxes {
9656 horizontal: self.horizontal,
9657 vertical: f(self.vertical),
9658 },
9659 }
9660 }
9661}
9662
9663#[derive(Clone)]
9664struct EditorScrollbars {
9665 pub vertical: Option<ScrollbarLayout>,
9666 pub horizontal: Option<ScrollbarLayout>,
9667 pub visible: bool,
9668}
9669
9670impl EditorScrollbars {
9671 pub fn from_scrollbar_axes(
9672 show_scrollbar: ScrollbarAxes,
9673 layout_information: &ScrollbarLayoutInformation,
9674 content_offset: gpui::Point<Pixels>,
9675 scroll_position: gpui::Point<f32>,
9676 scrollbar_width: Pixels,
9677 right_margin: Pixels,
9678 editor_width: Pixels,
9679 show_scrollbars: bool,
9680 scrollbar_state: Option<&ActiveScrollbarState>,
9681 window: &mut Window,
9682 ) -> Self {
9683 let ScrollbarLayoutInformation {
9684 editor_bounds,
9685 scroll_range,
9686 glyph_grid_cell,
9687 } = layout_information;
9688
9689 let viewport_size = size(editor_width, editor_bounds.size.height);
9690
9691 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9692 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9693 Corner::BottomLeft,
9694 editor_bounds.bottom_left(),
9695 size(
9696 // The horizontal viewport size differs from the space available for the
9697 // horizontal scrollbar, so we have to manually stitch it together here.
9698 editor_bounds.size.width - right_margin,
9699 scrollbar_width,
9700 ),
9701 ),
9702 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9703 Corner::TopRight,
9704 editor_bounds.top_right(),
9705 size(scrollbar_width, viewport_size.height),
9706 ),
9707 };
9708
9709 let mut create_scrollbar_layout = |axis| {
9710 let viewport_size = viewport_size.along(axis);
9711 let scroll_range = scroll_range.along(axis);
9712
9713 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9714 (show_scrollbar.along(axis)
9715 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9716 .then(|| {
9717 ScrollbarLayout::new(
9718 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9719 viewport_size,
9720 scroll_range,
9721 glyph_grid_cell.along(axis),
9722 content_offset.along(axis),
9723 scroll_position.along(axis),
9724 show_scrollbars,
9725 axis,
9726 )
9727 .with_thumb_state(
9728 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9729 )
9730 })
9731 };
9732
9733 Self {
9734 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9735 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9736 visible: show_scrollbars,
9737 }
9738 }
9739
9740 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9741 [
9742 (&self.vertical, ScrollbarAxis::Vertical),
9743 (&self.horizontal, ScrollbarAxis::Horizontal),
9744 ]
9745 .into_iter()
9746 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9747 }
9748
9749 /// Returns the currently hovered scrollbar axis, if any.
9750 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9751 self.iter_scrollbars()
9752 .find(|s| s.0.hitbox.is_hovered(window))
9753 }
9754}
9755
9756#[derive(Clone)]
9757struct ScrollbarLayout {
9758 hitbox: Hitbox,
9759 visible_range: Range<f32>,
9760 text_unit_size: Pixels,
9761 thumb_bounds: Option<Bounds<Pixels>>,
9762 thumb_state: ScrollbarThumbState,
9763}
9764
9765impl ScrollbarLayout {
9766 const BORDER_WIDTH: Pixels = px(1.0);
9767 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9768 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9769 const MIN_THUMB_SIZE: Pixels = px(25.0);
9770
9771 fn new(
9772 scrollbar_track_hitbox: Hitbox,
9773 viewport_size: Pixels,
9774 scroll_range: Pixels,
9775 glyph_space: Pixels,
9776 content_offset: Pixels,
9777 scroll_position: f32,
9778 show_thumb: bool,
9779 axis: ScrollbarAxis,
9780 ) -> Self {
9781 let track_bounds = scrollbar_track_hitbox.bounds;
9782 // The length of the track available to the scrollbar thumb. We deliberately
9783 // exclude the content size here so that the thumb aligns with the content.
9784 let track_length = track_bounds.size.along(axis) - content_offset;
9785
9786 Self::new_with_hitbox_and_track_length(
9787 scrollbar_track_hitbox,
9788 track_length,
9789 viewport_size,
9790 scroll_range,
9791 glyph_space,
9792 content_offset,
9793 scroll_position,
9794 show_thumb,
9795 axis,
9796 )
9797 }
9798
9799 fn for_minimap(
9800 minimap_track_hitbox: Hitbox,
9801 visible_lines: f32,
9802 total_editor_lines: f32,
9803 minimap_line_height: Pixels,
9804 scroll_position: f32,
9805 minimap_scroll_top: f32,
9806 show_thumb: bool,
9807 ) -> Self {
9808 // The scrollbar thumb size is calculated as
9809 // (visible_content/total_content) Γ scrollbar_track_length.
9810 //
9811 // For the minimap's thumb layout, we leverage this by setting the
9812 // scrollbar track length to the entire document size (using minimap line
9813 // height). This creates a thumb that exactly represents the editor
9814 // viewport scaled to minimap proportions.
9815 //
9816 // We adjust the thumb position relative to `minimap_scroll_top` to
9817 // accommodate for the deliberately oversized track.
9818 //
9819 // This approach ensures that the minimap thumb accurately reflects the
9820 // editor's current scroll position whilst nicely synchronizing the minimap
9821 // thumb and scrollbar thumb.
9822 let scroll_range = total_editor_lines * minimap_line_height;
9823 let viewport_size = visible_lines * minimap_line_height;
9824
9825 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9826
9827 Self::new_with_hitbox_and_track_length(
9828 minimap_track_hitbox,
9829 scroll_range,
9830 viewport_size,
9831 scroll_range,
9832 minimap_line_height,
9833 track_top_offset,
9834 scroll_position,
9835 show_thumb,
9836 ScrollbarAxis::Vertical,
9837 )
9838 }
9839
9840 fn new_with_hitbox_and_track_length(
9841 scrollbar_track_hitbox: Hitbox,
9842 track_length: Pixels,
9843 viewport_size: Pixels,
9844 scroll_range: Pixels,
9845 glyph_space: Pixels,
9846 content_offset: Pixels,
9847 scroll_position: f32,
9848 show_thumb: bool,
9849 axis: ScrollbarAxis,
9850 ) -> Self {
9851 let text_units_per_page = viewport_size / glyph_space;
9852 let visible_range = scroll_position..scroll_position + text_units_per_page;
9853 let total_text_units = scroll_range / glyph_space;
9854
9855 let thumb_percentage = text_units_per_page / total_text_units;
9856 let thumb_size = (track_length * thumb_percentage)
9857 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9858 .min(track_length);
9859
9860 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9861
9862 let content_larger_than_viewport = text_unit_divisor > 0.;
9863
9864 let text_unit_size = if content_larger_than_viewport {
9865 (track_length - thumb_size) / text_unit_divisor
9866 } else {
9867 glyph_space
9868 };
9869
9870 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9871 Self::thumb_bounds(
9872 &scrollbar_track_hitbox,
9873 content_offset,
9874 visible_range.start,
9875 text_unit_size,
9876 thumb_size,
9877 axis,
9878 )
9879 });
9880
9881 ScrollbarLayout {
9882 hitbox: scrollbar_track_hitbox,
9883 visible_range,
9884 text_unit_size,
9885 thumb_bounds,
9886 thumb_state: Default::default(),
9887 }
9888 }
9889
9890 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9891 if let Some(thumb_state) = thumb_state {
9892 Self {
9893 thumb_state,
9894 ..self
9895 }
9896 } else {
9897 self
9898 }
9899 }
9900
9901 fn thumb_bounds(
9902 scrollbar_track: &Hitbox,
9903 content_offset: Pixels,
9904 visible_range_start: f32,
9905 text_unit_size: Pixels,
9906 thumb_size: Pixels,
9907 axis: ScrollbarAxis,
9908 ) -> Bounds<Pixels> {
9909 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9910 origin + content_offset + visible_range_start * text_unit_size
9911 });
9912 Bounds::new(
9913 thumb_origin,
9914 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9915 )
9916 }
9917
9918 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9919 self.thumb_bounds
9920 .is_some_and(|bounds| bounds.contains(position))
9921 }
9922
9923 fn marker_quads_for_ranges(
9924 &self,
9925 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9926 column: Option<usize>,
9927 ) -> Vec<PaintQuad> {
9928 struct MinMax {
9929 min: Pixels,
9930 max: Pixels,
9931 }
9932 let (x_range, height_limit) = if let Some(column) = column {
9933 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9934 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9935 let end = start + column_width;
9936 (
9937 Range { start, end },
9938 MinMax {
9939 min: Self::MIN_MARKER_HEIGHT,
9940 max: px(f32::MAX),
9941 },
9942 )
9943 } else {
9944 (
9945 Range {
9946 start: Self::BORDER_WIDTH,
9947 end: self.hitbox.size.width,
9948 },
9949 MinMax {
9950 min: Self::LINE_MARKER_HEIGHT,
9951 max: Self::LINE_MARKER_HEIGHT,
9952 },
9953 )
9954 };
9955
9956 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9957 let mut pixel_ranges = row_ranges
9958 .into_iter()
9959 .map(|range| {
9960 let start_y = row_to_y(range.start);
9961 let end_y = row_to_y(range.end)
9962 + self
9963 .text_unit_size
9964 .max(height_limit.min)
9965 .min(height_limit.max);
9966 ColoredRange {
9967 start: start_y,
9968 end: end_y,
9969 color: range.color,
9970 }
9971 })
9972 .peekable();
9973
9974 let mut quads = Vec::new();
9975 while let Some(mut pixel_range) = pixel_ranges.next() {
9976 while let Some(next_pixel_range) = pixel_ranges.peek() {
9977 if pixel_range.end >= next_pixel_range.start - px(1.0)
9978 && pixel_range.color == next_pixel_range.color
9979 {
9980 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9981 pixel_ranges.next();
9982 } else {
9983 break;
9984 }
9985 }
9986
9987 let bounds = Bounds::from_corners(
9988 point(x_range.start, pixel_range.start),
9989 point(x_range.end, pixel_range.end),
9990 );
9991 quads.push(quad(
9992 bounds,
9993 Corners::default(),
9994 pixel_range.color,
9995 Edges::default(),
9996 Hsla::transparent_black(),
9997 BorderStyle::default(),
9998 ));
9999 }
10000
10001 quads
10002 }
10003}
10004
10005struct MinimapLayout {
10006 pub minimap: AnyElement,
10007 pub thumb_layout: ScrollbarLayout,
10008 pub minimap_scroll_top: f32,
10009 pub minimap_line_height: Pixels,
10010 pub thumb_border_style: MinimapThumbBorder,
10011 pub max_scroll_top: f32,
10012}
10013
10014impl MinimapLayout {
10015 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10016 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10017 /// The minimap width as a percentage of the editor width.
10018 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10019 /// Calculates the scroll top offset the minimap editor has to have based on the
10020 /// current scroll progress.
10021 fn calculate_minimap_top_offset(
10022 document_lines: f32,
10023 visible_editor_lines: f32,
10024 visible_minimap_lines: f32,
10025 scroll_position: f32,
10026 ) -> f32 {
10027 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10028 if non_visible_document_lines == 0. {
10029 0.
10030 } else {
10031 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10032 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10033 }
10034 }
10035}
10036
10037struct CreaseTrailerLayout {
10038 element: AnyElement,
10039 bounds: Bounds<Pixels>,
10040}
10041
10042pub(crate) struct PositionMap {
10043 pub size: Size<Pixels>,
10044 pub line_height: Pixels,
10045 pub scroll_pixel_position: gpui::Point<Pixels>,
10046 pub scroll_max: gpui::Point<f32>,
10047 pub em_width: Pixels,
10048 pub em_advance: Pixels,
10049 pub visible_row_range: Range<DisplayRow>,
10050 pub line_layouts: Vec<LineWithInvisibles>,
10051 pub snapshot: EditorSnapshot,
10052 pub text_hitbox: Hitbox,
10053 pub gutter_hitbox: Hitbox,
10054 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10055 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10056 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10057}
10058
10059#[derive(Debug, Copy, Clone)]
10060pub struct PointForPosition {
10061 pub previous_valid: DisplayPoint,
10062 pub next_valid: DisplayPoint,
10063 pub exact_unclipped: DisplayPoint,
10064 pub column_overshoot_after_line_end: u32,
10065}
10066
10067impl PointForPosition {
10068 pub fn as_valid(&self) -> Option<DisplayPoint> {
10069 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10070 Some(self.previous_valid)
10071 } else {
10072 None
10073 }
10074 }
10075
10076 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10077 let Some(valid_point) = self.as_valid() else {
10078 return false;
10079 };
10080 let range = selection.range();
10081
10082 let candidate_row = valid_point.row();
10083 let candidate_col = valid_point.column();
10084
10085 let start_row = range.start.row();
10086 let start_col = range.start.column();
10087 let end_row = range.end.row();
10088 let end_col = range.end.column();
10089
10090 if candidate_row < start_row || candidate_row > end_row {
10091 false
10092 } else if start_row == end_row {
10093 candidate_col >= start_col && candidate_col < end_col
10094 } else if candidate_row == start_row {
10095 candidate_col >= start_col
10096 } else if candidate_row == end_row {
10097 candidate_col < end_col
10098 } else {
10099 true
10100 }
10101 }
10102}
10103
10104impl PositionMap {
10105 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10106 let text_bounds = self.text_hitbox.bounds;
10107 let scroll_position = self.snapshot.scroll_position();
10108 let position = position - text_bounds.origin;
10109 let y = position.y.max(px(0.)).min(self.size.height);
10110 let x = position.x + (scroll_position.x * self.em_advance);
10111 let row = ((y / self.line_height) + scroll_position.y) as u32;
10112
10113 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10114 .line_layouts
10115 .get(row as usize - scroll_position.y as usize)
10116 {
10117 if let Some(ix) = line.index_for_x(x) {
10118 (ix as u32, px(0.))
10119 } else {
10120 (line.len as u32, px(0.).max(x - line.width))
10121 }
10122 } else {
10123 (0, x)
10124 };
10125
10126 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10127 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10128 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10129
10130 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10131 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10132 PointForPosition {
10133 previous_valid,
10134 next_valid,
10135 exact_unclipped,
10136 column_overshoot_after_line_end,
10137 }
10138 }
10139}
10140
10141struct BlockLayout {
10142 id: BlockId,
10143 x_offset: Pixels,
10144 row: Option<DisplayRow>,
10145 element: AnyElement,
10146 available_space: Size<AvailableSpace>,
10147 style: BlockStyle,
10148 overlaps_gutter: bool,
10149 is_buffer_header: bool,
10150}
10151
10152pub fn layout_line(
10153 row: DisplayRow,
10154 snapshot: &EditorSnapshot,
10155 style: &EditorStyle,
10156 text_width: Pixels,
10157 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10158 window: &mut Window,
10159 cx: &mut App,
10160) -> LineWithInvisibles {
10161 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10162 LineWithInvisibles::from_chunks(
10163 chunks,
10164 style,
10165 MAX_LINE_LEN,
10166 1,
10167 &snapshot.mode,
10168 text_width,
10169 is_row_soft_wrapped,
10170 &[],
10171 window,
10172 cx,
10173 )
10174 .pop()
10175 .unwrap()
10176}
10177
10178#[derive(Debug)]
10179pub struct IndentGuideLayout {
10180 origin: gpui::Point<Pixels>,
10181 length: Pixels,
10182 single_indent_width: Pixels,
10183 depth: u32,
10184 active: bool,
10185 settings: IndentGuideSettings,
10186}
10187
10188pub struct CursorLayout {
10189 origin: gpui::Point<Pixels>,
10190 block_width: Pixels,
10191 line_height: Pixels,
10192 color: Hsla,
10193 shape: CursorShape,
10194 block_text: Option<ShapedLine>,
10195 cursor_name: Option<AnyElement>,
10196}
10197
10198#[derive(Debug)]
10199pub struct CursorName {
10200 string: SharedString,
10201 color: Hsla,
10202 is_top_row: bool,
10203}
10204
10205impl CursorLayout {
10206 pub fn new(
10207 origin: gpui::Point<Pixels>,
10208 block_width: Pixels,
10209 line_height: Pixels,
10210 color: Hsla,
10211 shape: CursorShape,
10212 block_text: Option<ShapedLine>,
10213 ) -> CursorLayout {
10214 CursorLayout {
10215 origin,
10216 block_width,
10217 line_height,
10218 color,
10219 shape,
10220 block_text,
10221 cursor_name: None,
10222 }
10223 }
10224
10225 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10226 Bounds {
10227 origin: self.origin + origin,
10228 size: size(self.block_width, self.line_height),
10229 }
10230 }
10231
10232 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10233 match self.shape {
10234 CursorShape::Bar => Bounds {
10235 origin: self.origin + origin,
10236 size: size(px(2.0), self.line_height),
10237 },
10238 CursorShape::Block | CursorShape::Hollow => Bounds {
10239 origin: self.origin + origin,
10240 size: size(self.block_width, self.line_height),
10241 },
10242 CursorShape::Underline => Bounds {
10243 origin: self.origin
10244 + origin
10245 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10246 size: size(self.block_width, px(2.0)),
10247 },
10248 }
10249 }
10250
10251 pub fn layout(
10252 &mut self,
10253 origin: gpui::Point<Pixels>,
10254 cursor_name: Option<CursorName>,
10255 window: &mut Window,
10256 cx: &mut App,
10257 ) {
10258 if let Some(cursor_name) = cursor_name {
10259 let bounds = self.bounds(origin);
10260 let text_size = self.line_height / 1.5;
10261
10262 let name_origin = if cursor_name.is_top_row {
10263 point(bounds.right() - px(1.), bounds.top())
10264 } else {
10265 match self.shape {
10266 CursorShape::Bar => point(
10267 bounds.right() - px(2.),
10268 bounds.top() - text_size / 2. - px(1.),
10269 ),
10270 _ => point(
10271 bounds.right() - px(1.),
10272 bounds.top() - text_size / 2. - px(1.),
10273 ),
10274 }
10275 };
10276 let mut name_element = div()
10277 .bg(self.color)
10278 .text_size(text_size)
10279 .px_0p5()
10280 .line_height(text_size + px(2.))
10281 .text_color(cursor_name.color)
10282 .child(cursor_name.string)
10283 .into_any_element();
10284
10285 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10286
10287 self.cursor_name = Some(name_element);
10288 }
10289 }
10290
10291 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10292 let bounds = self.bounds(origin);
10293
10294 //Draw background or border quad
10295 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10296 outline(bounds, self.color, BorderStyle::Solid)
10297 } else {
10298 fill(bounds, self.color)
10299 };
10300
10301 if let Some(name) = &mut self.cursor_name {
10302 name.paint(window, cx);
10303 }
10304
10305 window.paint_quad(cursor);
10306
10307 if let Some(block_text) = &self.block_text {
10308 block_text
10309 .paint(self.origin + origin, self.line_height, window, cx)
10310 .log_err();
10311 }
10312 }
10313
10314 pub fn shape(&self) -> CursorShape {
10315 self.shape
10316 }
10317}
10318
10319#[derive(Debug)]
10320pub struct HighlightedRange {
10321 pub start_y: Pixels,
10322 pub line_height: Pixels,
10323 pub lines: Vec<HighlightedRangeLine>,
10324 pub color: Hsla,
10325 pub corner_radius: Pixels,
10326}
10327
10328#[derive(Debug)]
10329pub struct HighlightedRangeLine {
10330 pub start_x: Pixels,
10331 pub end_x: Pixels,
10332}
10333
10334impl HighlightedRange {
10335 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10336 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10337 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10338 self.paint_lines(
10339 self.start_y + self.line_height,
10340 &self.lines[1..],
10341 fill,
10342 bounds,
10343 window,
10344 );
10345 } else {
10346 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10347 }
10348 }
10349
10350 fn paint_lines(
10351 &self,
10352 start_y: Pixels,
10353 lines: &[HighlightedRangeLine],
10354 fill: bool,
10355 _bounds: Bounds<Pixels>,
10356 window: &mut Window,
10357 ) {
10358 if lines.is_empty() {
10359 return;
10360 }
10361
10362 let first_line = lines.first().unwrap();
10363 let last_line = lines.last().unwrap();
10364
10365 let first_top_left = point(first_line.start_x, start_y);
10366 let first_top_right = point(first_line.end_x, start_y);
10367
10368 let curve_height = point(Pixels::ZERO, self.corner_radius);
10369 let curve_width = |start_x: Pixels, end_x: Pixels| {
10370 let max = (end_x - start_x) / 2.;
10371 let width = if max < self.corner_radius {
10372 max
10373 } else {
10374 self.corner_radius
10375 };
10376
10377 point(width, Pixels::ZERO)
10378 };
10379
10380 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10381 let mut builder = if fill {
10382 gpui::PathBuilder::fill()
10383 } else {
10384 gpui::PathBuilder::stroke(px(1.))
10385 };
10386 builder.move_to(first_top_right - top_curve_width);
10387 builder.curve_to(first_top_right + curve_height, first_top_right);
10388
10389 let mut iter = lines.iter().enumerate().peekable();
10390 while let Some((ix, line)) = iter.next() {
10391 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10392
10393 if let Some((_, next_line)) = iter.peek() {
10394 let next_top_right = point(next_line.end_x, bottom_right.y);
10395
10396 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10397 Ordering::Equal => {
10398 builder.line_to(bottom_right);
10399 }
10400 Ordering::Less => {
10401 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10402 builder.line_to(bottom_right - curve_height);
10403 if self.corner_radius > Pixels::ZERO {
10404 builder.curve_to(bottom_right - curve_width, bottom_right);
10405 }
10406 builder.line_to(next_top_right + curve_width);
10407 if self.corner_radius > Pixels::ZERO {
10408 builder.curve_to(next_top_right + curve_height, next_top_right);
10409 }
10410 }
10411 Ordering::Greater => {
10412 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10413 builder.line_to(bottom_right - curve_height);
10414 if self.corner_radius > Pixels::ZERO {
10415 builder.curve_to(bottom_right + curve_width, bottom_right);
10416 }
10417 builder.line_to(next_top_right - curve_width);
10418 if self.corner_radius > Pixels::ZERO {
10419 builder.curve_to(next_top_right + curve_height, next_top_right);
10420 }
10421 }
10422 }
10423 } else {
10424 let curve_width = curve_width(line.start_x, line.end_x);
10425 builder.line_to(bottom_right - curve_height);
10426 if self.corner_radius > Pixels::ZERO {
10427 builder.curve_to(bottom_right - curve_width, bottom_right);
10428 }
10429
10430 let bottom_left = point(line.start_x, bottom_right.y);
10431 builder.line_to(bottom_left + curve_width);
10432 if self.corner_radius > Pixels::ZERO {
10433 builder.curve_to(bottom_left - curve_height, bottom_left);
10434 }
10435 }
10436 }
10437
10438 if first_line.start_x > last_line.start_x {
10439 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10440 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10441 builder.line_to(second_top_left + curve_height);
10442 if self.corner_radius > Pixels::ZERO {
10443 builder.curve_to(second_top_left + curve_width, second_top_left);
10444 }
10445 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10446 builder.line_to(first_bottom_left - curve_width);
10447 if self.corner_radius > Pixels::ZERO {
10448 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10449 }
10450 }
10451
10452 builder.line_to(first_top_left + curve_height);
10453 if self.corner_radius > Pixels::ZERO {
10454 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10455 }
10456 builder.line_to(first_top_right - top_curve_width);
10457
10458 if let Ok(path) = builder.build() {
10459 window.paint_path(path, self.color);
10460 }
10461 }
10462}
10463
10464enum CursorPopoverType {
10465 CodeContextMenu,
10466 EditPrediction,
10467}
10468
10469pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10470 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10471}
10472
10473fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10474 (delta.pow(1.2) / 300.0).into()
10475}
10476
10477pub fn register_action<T: Action>(
10478 editor: &Entity<Editor>,
10479 window: &mut Window,
10480 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10481) {
10482 let editor = editor.clone();
10483 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10484 let action = action.downcast_ref().unwrap();
10485 if phase == DispatchPhase::Bubble {
10486 editor.update(cx, |editor, cx| {
10487 listener(editor, action, window, cx);
10488 })
10489 }
10490 })
10491}
10492
10493fn compute_auto_height_layout(
10494 editor: &mut Editor,
10495 min_lines: usize,
10496 max_lines: Option<usize>,
10497 max_line_number_width: Pixels,
10498 known_dimensions: Size<Option<Pixels>>,
10499 available_width: AvailableSpace,
10500 window: &mut Window,
10501 cx: &mut Context<Editor>,
10502) -> Option<Size<Pixels>> {
10503 let width = known_dimensions.width.or({
10504 if let AvailableSpace::Definite(available_width) = available_width {
10505 Some(available_width)
10506 } else {
10507 None
10508 }
10509 })?;
10510 if let Some(height) = known_dimensions.height {
10511 return Some(size(width, height));
10512 }
10513
10514 let style = editor.style.as_ref().unwrap();
10515 let font_id = window.text_system().resolve_font(&style.text.font());
10516 let font_size = style.text.font_size.to_pixels(window.rem_size());
10517 let line_height = style.text.line_height_in_pixels(window.rem_size());
10518 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10519
10520 let mut snapshot = editor.snapshot(window, cx);
10521 let gutter_dimensions = snapshot
10522 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10523 .or_else(|| {
10524 editor
10525 .offset_content
10526 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10527 })
10528 .unwrap_or_default();
10529
10530 editor.gutter_dimensions = gutter_dimensions;
10531 let text_width = width - gutter_dimensions.width;
10532 let overscroll = size(em_width, px(0.));
10533
10534 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10535 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10536 && editor.set_wrap_width(Some(editor_width), cx)
10537 {
10538 snapshot = editor.snapshot(window, cx);
10539 }
10540
10541 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10542
10543 let min_height = line_height * min_lines as f32;
10544 let content_height = scroll_height.max(min_height);
10545
10546 let final_height = if let Some(max_lines) = max_lines {
10547 let max_height = line_height * max_lines as f32;
10548 content_height.min(max_height)
10549 } else {
10550 content_height
10551 };
10552
10553 Some(size(width, final_height))
10554}
10555
10556#[cfg(test)]
10557mod tests {
10558 use super::*;
10559 use crate::{
10560 Editor, MultiBuffer, SelectionEffects,
10561 display_map::{BlockPlacement, BlockProperties},
10562 editor_tests::{init_test, update_test_language_settings},
10563 };
10564 use gpui::{TestAppContext, VisualTestContext};
10565 use language::language_settings;
10566 use log::info;
10567 use std::num::NonZeroU32;
10568 use util::test::sample_text;
10569
10570 #[gpui::test]
10571 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10572 init_test(cx, |_| {});
10573
10574 let window = cx.add_window(|window, cx| {
10575 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10576 let mut editor = Editor::new(
10577 EditorMode::AutoHeight {
10578 min_lines: 1,
10579 max_lines: None,
10580 },
10581 buffer,
10582 None,
10583 window,
10584 cx,
10585 );
10586 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10587 editor
10588 });
10589 let cx = &mut VisualTestContext::from_window(*window, cx);
10590 let editor = window.root(cx).unwrap();
10591 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10592
10593 for x in 1..=100 {
10594 let (_, state) = cx.draw(
10595 Default::default(),
10596 size(px(200. + 0.13 * x as f32), px(500.)),
10597 |_, _| EditorElement::new(&editor, style.clone()),
10598 );
10599
10600 assert!(
10601 state.position_map.scroll_max.x == 0.,
10602 "Soft wrapped editor should have no horizontal scrolling!"
10603 );
10604 }
10605 }
10606
10607 #[gpui::test]
10608 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10609 init_test(cx, |_| {});
10610
10611 let window = cx.add_window(|window, cx| {
10612 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10613 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10614 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10615 editor
10616 });
10617 let cx = &mut VisualTestContext::from_window(*window, cx);
10618 let editor = window.root(cx).unwrap();
10619 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10620
10621 for x in 1..=100 {
10622 let (_, state) = cx.draw(
10623 Default::default(),
10624 size(px(200. + 0.13 * x as f32), px(500.)),
10625 |_, _| EditorElement::new(&editor, style.clone()),
10626 );
10627
10628 assert!(
10629 state.position_map.scroll_max.x == 0.,
10630 "Soft wrapped editor should have no horizontal scrolling!"
10631 );
10632 }
10633 }
10634
10635 #[gpui::test]
10636 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10637 init_test(cx, |_| {});
10638 let window = cx.add_window(|window, cx| {
10639 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10640 Editor::new(EditorMode::full(), buffer, None, window, cx)
10641 });
10642
10643 let editor = window.root(cx).unwrap();
10644 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10645 let line_height = window
10646 .update(cx, |_, window, _| {
10647 style.text.line_height_in_pixels(window.rem_size())
10648 })
10649 .unwrap();
10650 let element = EditorElement::new(&editor, style);
10651 let snapshot = window
10652 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10653 .unwrap();
10654
10655 let layouts = cx
10656 .update_window(*window, |_, window, cx| {
10657 element.layout_line_numbers(
10658 None,
10659 GutterDimensions {
10660 left_padding: Pixels::ZERO,
10661 right_padding: Pixels::ZERO,
10662 width: px(30.0),
10663 margin: Pixels::ZERO,
10664 git_blame_entries_width: None,
10665 },
10666 line_height,
10667 gpui::Point::default(),
10668 DisplayRow(0)..DisplayRow(6),
10669 &(0..6)
10670 .map(|row| RowInfo {
10671 buffer_row: Some(row),
10672 ..Default::default()
10673 })
10674 .collect::<Vec<_>>(),
10675 &BTreeMap::default(),
10676 Some(DisplayPoint::new(DisplayRow(0), 0)),
10677 &snapshot,
10678 window,
10679 cx,
10680 )
10681 })
10682 .unwrap();
10683 assert_eq!(layouts.len(), 6);
10684
10685 let relative_rows = window
10686 .update(cx, |editor, window, cx| {
10687 let snapshot = editor.snapshot(window, cx);
10688 element.calculate_relative_line_numbers(
10689 &snapshot,
10690 &(DisplayRow(0)..DisplayRow(6)),
10691 Some(DisplayRow(3)),
10692 )
10693 })
10694 .unwrap();
10695 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10696 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10697 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10698 // current line has no relative number
10699 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10700 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10701
10702 // works if cursor is before screen
10703 let relative_rows = window
10704 .update(cx, |editor, window, cx| {
10705 let snapshot = editor.snapshot(window, cx);
10706 element.calculate_relative_line_numbers(
10707 &snapshot,
10708 &(DisplayRow(3)..DisplayRow(6)),
10709 Some(DisplayRow(1)),
10710 )
10711 })
10712 .unwrap();
10713 assert_eq!(relative_rows.len(), 3);
10714 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10715 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10716 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10717
10718 // works if cursor is after screen
10719 let relative_rows = window
10720 .update(cx, |editor, window, cx| {
10721 let snapshot = editor.snapshot(window, cx);
10722 element.calculate_relative_line_numbers(
10723 &snapshot,
10724 &(DisplayRow(0)..DisplayRow(3)),
10725 Some(DisplayRow(6)),
10726 )
10727 })
10728 .unwrap();
10729 assert_eq!(relative_rows.len(), 3);
10730 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10731 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10732 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10733 }
10734
10735 #[gpui::test]
10736 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10737 init_test(cx, |_| {});
10738
10739 let window = cx.add_window(|window, cx| {
10740 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10741 Editor::new(EditorMode::full(), buffer, None, window, cx)
10742 });
10743 let cx = &mut VisualTestContext::from_window(*window, cx);
10744 let editor = window.root(cx).unwrap();
10745 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10746
10747 window
10748 .update(cx, |editor, window, cx| {
10749 editor.cursor_shape = CursorShape::Block;
10750 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10751 s.select_ranges([
10752 Point::new(0, 0)..Point::new(1, 0),
10753 Point::new(3, 2)..Point::new(3, 3),
10754 Point::new(5, 6)..Point::new(6, 0),
10755 ]);
10756 });
10757 })
10758 .unwrap();
10759
10760 let (_, state) = cx.draw(
10761 point(px(500.), px(500.)),
10762 size(px(500.), px(500.)),
10763 |_, _| EditorElement::new(&editor, style),
10764 );
10765
10766 assert_eq!(state.selections.len(), 1);
10767 let local_selections = &state.selections[0].1;
10768 assert_eq!(local_selections.len(), 3);
10769 // moves cursor back one line
10770 assert_eq!(
10771 local_selections[0].head,
10772 DisplayPoint::new(DisplayRow(0), 6)
10773 );
10774 assert_eq!(
10775 local_selections[0].range,
10776 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10777 );
10778
10779 // moves cursor back one column
10780 assert_eq!(
10781 local_selections[1].range,
10782 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10783 );
10784 assert_eq!(
10785 local_selections[1].head,
10786 DisplayPoint::new(DisplayRow(3), 2)
10787 );
10788
10789 // leaves cursor on the max point
10790 assert_eq!(
10791 local_selections[2].range,
10792 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10793 );
10794 assert_eq!(
10795 local_selections[2].head,
10796 DisplayPoint::new(DisplayRow(6), 0)
10797 );
10798
10799 // active lines does not include 1 (even though the range of the selection does)
10800 assert_eq!(
10801 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10802 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10803 );
10804 }
10805
10806 #[gpui::test]
10807 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10808 init_test(cx, |_| {});
10809
10810 let window = cx.add_window(|window, cx| {
10811 let buffer = MultiBuffer::build_simple("", cx);
10812 Editor::new(EditorMode::full(), buffer, None, window, cx)
10813 });
10814 let cx = &mut VisualTestContext::from_window(*window, cx);
10815 let editor = window.root(cx).unwrap();
10816 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10817 window
10818 .update(cx, |editor, window, cx| {
10819 editor.set_placeholder_text("hello", window, cx);
10820 editor.insert_blocks(
10821 [BlockProperties {
10822 style: BlockStyle::Fixed,
10823 placement: BlockPlacement::Above(Anchor::min()),
10824 height: Some(3),
10825 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10826 priority: 0,
10827 }],
10828 None,
10829 cx,
10830 );
10831
10832 // Blur the editor so that it displays placeholder text.
10833 window.blur();
10834 })
10835 .unwrap();
10836
10837 let (_, state) = cx.draw(
10838 point(px(500.), px(500.)),
10839 size(px(500.), px(500.)),
10840 |_, _| EditorElement::new(&editor, style),
10841 );
10842 assert_eq!(state.position_map.line_layouts.len(), 4);
10843 assert_eq!(state.line_numbers.len(), 1);
10844 assert_eq!(
10845 state
10846 .line_numbers
10847 .get(&MultiBufferRow(0))
10848 .map(|line_number| line_number.shaped_line.text.as_ref()),
10849 Some("1")
10850 );
10851 }
10852
10853 #[gpui::test]
10854 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10855 const TAB_SIZE: u32 = 4;
10856
10857 let input_text = "\t \t|\t| a b";
10858 let expected_invisibles = vec![
10859 Invisible::Tab {
10860 line_start_offset: 0,
10861 line_end_offset: TAB_SIZE as usize,
10862 },
10863 Invisible::Whitespace {
10864 line_offset: TAB_SIZE as usize,
10865 },
10866 Invisible::Tab {
10867 line_start_offset: TAB_SIZE as usize + 1,
10868 line_end_offset: TAB_SIZE as usize * 2,
10869 },
10870 Invisible::Tab {
10871 line_start_offset: TAB_SIZE as usize * 2 + 1,
10872 line_end_offset: TAB_SIZE as usize * 3,
10873 },
10874 Invisible::Whitespace {
10875 line_offset: TAB_SIZE as usize * 3 + 1,
10876 },
10877 Invisible::Whitespace {
10878 line_offset: TAB_SIZE as usize * 3 + 3,
10879 },
10880 ];
10881 assert_eq!(
10882 expected_invisibles.len(),
10883 input_text
10884 .chars()
10885 .filter(|initial_char| initial_char.is_whitespace())
10886 .count(),
10887 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10888 );
10889
10890 for show_line_numbers in [true, false] {
10891 init_test(cx, |s| {
10892 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10893 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10894 });
10895
10896 let actual_invisibles = collect_invisibles_from_new_editor(
10897 cx,
10898 EditorMode::full(),
10899 input_text,
10900 px(500.0),
10901 show_line_numbers,
10902 );
10903
10904 assert_eq!(expected_invisibles, actual_invisibles);
10905 }
10906 }
10907
10908 #[gpui::test]
10909 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10910 init_test(cx, |s| {
10911 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10912 s.defaults.tab_size = NonZeroU32::new(4);
10913 });
10914
10915 for editor_mode_without_invisibles in [
10916 EditorMode::SingleLine,
10917 EditorMode::AutoHeight {
10918 min_lines: 1,
10919 max_lines: Some(100),
10920 },
10921 ] {
10922 for show_line_numbers in [true, false] {
10923 let invisibles = collect_invisibles_from_new_editor(
10924 cx,
10925 editor_mode_without_invisibles.clone(),
10926 "\t\t\t| | a b",
10927 px(500.0),
10928 show_line_numbers,
10929 );
10930 assert!(
10931 invisibles.is_empty(),
10932 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10933 );
10934 }
10935 }
10936 }
10937
10938 #[gpui::test]
10939 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10940 let tab_size = 4;
10941 let input_text = "a\tbcd ".repeat(9);
10942 let repeated_invisibles = [
10943 Invisible::Tab {
10944 line_start_offset: 1,
10945 line_end_offset: tab_size as usize,
10946 },
10947 Invisible::Whitespace {
10948 line_offset: tab_size as usize + 3,
10949 },
10950 Invisible::Whitespace {
10951 line_offset: tab_size as usize + 4,
10952 },
10953 Invisible::Whitespace {
10954 line_offset: tab_size as usize + 5,
10955 },
10956 Invisible::Whitespace {
10957 line_offset: tab_size as usize + 6,
10958 },
10959 Invisible::Whitespace {
10960 line_offset: tab_size as usize + 7,
10961 },
10962 ];
10963 let expected_invisibles = std::iter::once(repeated_invisibles)
10964 .cycle()
10965 .take(9)
10966 .flatten()
10967 .collect::<Vec<_>>();
10968 assert_eq!(
10969 expected_invisibles.len(),
10970 input_text
10971 .chars()
10972 .filter(|initial_char| initial_char.is_whitespace())
10973 .count(),
10974 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10975 );
10976 info!("Expected invisibles: {expected_invisibles:?}");
10977
10978 init_test(cx, |_| {});
10979
10980 // Put the same string with repeating whitespace pattern into editors of various size,
10981 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10982 let resize_step = 10.0;
10983 let mut editor_width = 200.0;
10984 while editor_width <= 1000.0 {
10985 for show_line_numbers in [true, false] {
10986 update_test_language_settings(cx, |s| {
10987 s.defaults.tab_size = NonZeroU32::new(tab_size);
10988 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10989 s.defaults.preferred_line_length = Some(editor_width as u32);
10990 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10991 });
10992
10993 let actual_invisibles = collect_invisibles_from_new_editor(
10994 cx,
10995 EditorMode::full(),
10996 &input_text,
10997 px(editor_width),
10998 show_line_numbers,
10999 );
11000
11001 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11002 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11003 let mut i = 0;
11004 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11005 i = actual_index;
11006 match expected_invisibles.get(i) {
11007 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11008 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11009 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11010 _ => {
11011 panic!(
11012 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11013 )
11014 }
11015 },
11016 None => {
11017 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11018 }
11019 }
11020 }
11021 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11022 assert!(
11023 missing_expected_invisibles.is_empty(),
11024 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11025 );
11026
11027 editor_width += resize_step;
11028 }
11029 }
11030 }
11031
11032 fn collect_invisibles_from_new_editor(
11033 cx: &mut TestAppContext,
11034 editor_mode: EditorMode,
11035 input_text: &str,
11036 editor_width: Pixels,
11037 show_line_numbers: bool,
11038 ) -> Vec<Invisible> {
11039 info!(
11040 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11041 editor_width.0
11042 );
11043 let window = cx.add_window(|window, cx| {
11044 let buffer = MultiBuffer::build_simple(input_text, cx);
11045 Editor::new(editor_mode, buffer, None, window, cx)
11046 });
11047 let cx = &mut VisualTestContext::from_window(*window, cx);
11048 let editor = window.root(cx).unwrap();
11049
11050 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11051 window
11052 .update(cx, |editor, _, cx| {
11053 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11054 editor.set_wrap_width(Some(editor_width), cx);
11055 editor.set_show_line_numbers(show_line_numbers, cx);
11056 })
11057 .unwrap();
11058 let (_, state) = cx.draw(
11059 point(px(500.), px(500.)),
11060 size(px(500.), px(500.)),
11061 |_, _| EditorElement::new(&editor, style),
11062 );
11063 state
11064 .position_map
11065 .line_layouts
11066 .iter()
11067 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11068 .cloned()
11069 .collect()
11070 }
11071
11072 #[gpui::test]
11073 fn test_merge_overlapping_ranges() {
11074 let base_bg = Hsla::white();
11075 let color1 = Hsla {
11076 h: 0.0,
11077 s: 0.5,
11078 l: 0.5,
11079 a: 0.5,
11080 };
11081 let color2 = Hsla {
11082 h: 120.0,
11083 s: 0.5,
11084 l: 0.5,
11085 a: 0.5,
11086 };
11087
11088 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11089 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11090 v.iter()
11091 .map(|(r, _)| (r.start.column(), r.end.column()))
11092 .collect()
11093 };
11094
11095 // Test overlapping ranges blend colors
11096 let overlapping = vec![
11097 (display_point(5)..display_point(15), color1),
11098 (display_point(10)..display_point(20), color2),
11099 ];
11100 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11101 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11102
11103 // Test middle segment should have blended color
11104 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11105 assert_eq!(result[1].1, blended);
11106
11107 // Test adjacent same-color ranges merge
11108 let adjacent_same = vec![
11109 (display_point(5)..display_point(10), color1),
11110 (display_point(10)..display_point(15), color1),
11111 ];
11112 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11113 assert_eq!(cols(&result), vec![(5, 15)]);
11114
11115 // Test contained range splits
11116 let contained = vec![
11117 (display_point(5)..display_point(20), color1),
11118 (display_point(10)..display_point(15), color2),
11119 ];
11120 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11121 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11122
11123 // Test multiple overlaps split at every boundary
11124 let color3 = Hsla {
11125 h: 240.0,
11126 s: 0.5,
11127 l: 0.5,
11128 a: 0.5,
11129 };
11130 let complex = vec![
11131 (display_point(5)..display_point(12), color1),
11132 (display_point(8)..display_point(16), color2),
11133 (display_point(10)..display_point(14), color3),
11134 ];
11135 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11136 assert_eq!(
11137 cols(&result),
11138 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11139 );
11140 }
11141
11142 #[gpui::test]
11143 fn test_bg_segments_per_row() {
11144 let base_bg = Hsla::white();
11145
11146 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11147 {
11148 let selection_color = Hsla {
11149 h: 200.0,
11150 s: 0.5,
11151 l: 0.5,
11152 a: 0.5,
11153 };
11154 let player_color = PlayerColor {
11155 cursor: selection_color,
11156 background: selection_color,
11157 selection: selection_color,
11158 };
11159
11160 let spanning_selection = SelectionLayout {
11161 head: DisplayPoint::new(DisplayRow(3), 7),
11162 cursor_shape: CursorShape::Bar,
11163 is_newest: true,
11164 is_local: true,
11165 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11166 active_rows: DisplayRow(1)..DisplayRow(4),
11167 user_name: None,
11168 };
11169
11170 let selections = vec![(player_color, vec![spanning_selection])];
11171 let result = EditorElement::bg_segments_per_row(
11172 DisplayRow(0)..DisplayRow(5),
11173 &selections,
11174 &[],
11175 base_bg,
11176 );
11177
11178 assert_eq!(result.len(), 5);
11179 assert!(result[0].is_empty());
11180 assert_eq!(result[1].len(), 1);
11181 assert_eq!(result[2].len(), 1);
11182 assert_eq!(result[3].len(), 1);
11183 assert!(result[4].is_empty());
11184
11185 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11186 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11187 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11188 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11189 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11190 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11191 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11192 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11193 }
11194
11195 // Case B: selection ends exactly at the start of row 3, excluding row 3
11196 {
11197 let selection_color = Hsla {
11198 h: 120.0,
11199 s: 0.5,
11200 l: 0.5,
11201 a: 0.5,
11202 };
11203 let player_color = PlayerColor {
11204 cursor: selection_color,
11205 background: selection_color,
11206 selection: selection_color,
11207 };
11208
11209 let selection = SelectionLayout {
11210 head: DisplayPoint::new(DisplayRow(2), 0),
11211 cursor_shape: CursorShape::Bar,
11212 is_newest: true,
11213 is_local: true,
11214 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11215 active_rows: DisplayRow(1)..DisplayRow(3),
11216 user_name: None,
11217 };
11218
11219 let selections = vec![(player_color, vec![selection])];
11220 let result = EditorElement::bg_segments_per_row(
11221 DisplayRow(0)..DisplayRow(4),
11222 &selections,
11223 &[],
11224 base_bg,
11225 );
11226
11227 assert_eq!(result.len(), 4);
11228 assert!(result[0].is_empty());
11229 assert_eq!(result[1].len(), 1);
11230 assert_eq!(result[2].len(), 1);
11231 assert!(result[3].is_empty());
11232
11233 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11234 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11235 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11236 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11237 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11238 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11239 }
11240 }
11241
11242 #[cfg(test)]
11243 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11244 TextRun {
11245 len,
11246 font: gpui::font(".SystemUIFont"),
11247 color,
11248 background_color: None,
11249 underline: None,
11250 strikethrough: None,
11251 }
11252 }
11253
11254 #[gpui::test]
11255 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11256 init_test(cx, |_| {});
11257
11258 let dx = |start: u32, end: u32| {
11259 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11260 };
11261
11262 let text_color = Hsla {
11263 h: 210.0,
11264 s: 0.1,
11265 l: 0.4,
11266 a: 1.0,
11267 };
11268 let bg_1 = Hsla {
11269 h: 30.0,
11270 s: 0.6,
11271 l: 0.8,
11272 a: 1.0,
11273 };
11274 let bg_2 = Hsla {
11275 h: 200.0,
11276 s: 0.6,
11277 l: 0.2,
11278 a: 1.0,
11279 };
11280 let min_contrast = 45.0;
11281 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11282 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11283
11284 // Case A: single run; disjoint segments inside the run
11285 {
11286 let runs = vec![generate_test_run(20, text_color)];
11287 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11288 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11289 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11290 assert_eq!(
11291 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11292 vec![5, 5, 2, 4, 4]
11293 );
11294 assert_eq!(out[0].color, text_color);
11295 assert_eq!(out[1].color, adjusted_bg1);
11296 assert_eq!(out[2].color, text_color);
11297 assert_eq!(out[3].color, adjusted_bg2);
11298 assert_eq!(out[4].color, text_color);
11299 }
11300
11301 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11302 {
11303 let runs = vec![
11304 generate_test_run(8, text_color),
11305 generate_test_run(7, text_color),
11306 ];
11307 let segs = vec![(dx(6, u32::MAX), bg_1)];
11308 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11309 // Expected slices across runs: [0,6) [6,8) | [0,7)
11310 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11311 assert_eq!(out[0].color, text_color);
11312 assert_eq!(out[1].color, adjusted_bg1);
11313 assert_eq!(out[2].color, adjusted_bg1);
11314 }
11315
11316 // Case C: multi-byte characters
11317 {
11318 // for text: "Hello π δΈη!"
11319 let runs = vec![
11320 generate_test_run(5, text_color), // "Hello"
11321 generate_test_run(6, text_color), // " π "
11322 generate_test_run(6, text_color), // "δΈη"
11323 generate_test_run(1, text_color), // "!"
11324 ];
11325 // selecting "π δΈ"
11326 let segs = vec![(dx(6, 14), bg_1)];
11327 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11328 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11329 assert_eq!(
11330 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11331 vec![5, 1, 5, 3, 3, 1]
11332 );
11333 assert_eq!(out[0].color, text_color); // "Hello"
11334 assert_eq!(out[2].color, adjusted_bg1); // "π "
11335 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11336 assert_eq!(out[4].color, text_color); // "η"
11337 assert_eq!(out[5].color, text_color); // "!"
11338 }
11339
11340 // Case D: split multiple consecutive text runs with segments
11341 {
11342 let segs = vec![
11343 (dx(2, 4), bg_1), // selecting "cd"
11344 (dx(4, 8), bg_2), // selecting "efgh"
11345 (dx(9, 11), bg_1), // selecting "jk"
11346 (dx(12, 16), bg_2), // selecting "mnop"
11347 (dx(18, 19), bg_1), // selecting "s"
11348 ];
11349
11350 // for text: "abcdef"
11351 let runs = vec![
11352 generate_test_run(2, text_color), // ab
11353 generate_test_run(4, text_color), // cdef
11354 ];
11355 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11356 // new splits "ab", "cd", "ef"
11357 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11358 assert_eq!(out[0].color, text_color);
11359 assert_eq!(out[1].color, adjusted_bg1);
11360 assert_eq!(out[2].color, adjusted_bg2);
11361
11362 // for text: "ghijklmn"
11363 let runs = vec![
11364 generate_test_run(3, text_color), // ghi
11365 generate_test_run(2, text_color), // jk
11366 generate_test_run(3, text_color), // lmn
11367 ];
11368 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11369 // new splits "gh", "i", "jk", "l", "mn"
11370 assert_eq!(
11371 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11372 vec![2, 1, 2, 1, 2]
11373 );
11374 assert_eq!(out[0].color, adjusted_bg2);
11375 assert_eq!(out[1].color, text_color);
11376 assert_eq!(out[2].color, adjusted_bg1);
11377 assert_eq!(out[3].color, text_color);
11378 assert_eq!(out[4].color, adjusted_bg2);
11379
11380 // for text: "opqrs"
11381 let runs = vec![
11382 generate_test_run(1, text_color), // o
11383 generate_test_run(4, text_color), // pqrs
11384 ];
11385 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11386 // new splits "o", "p", "qr", "s"
11387 assert_eq!(
11388 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11389 vec![1, 1, 2, 1]
11390 );
11391 assert_eq!(out[0].color, adjusted_bg2);
11392 assert_eq!(out[1].color, adjusted_bg2);
11393 assert_eq!(out[2].color, text_color);
11394 assert_eq!(out[3].color, adjusted_bg1);
11395 }
11396 }
11397}